From 79327861bad9b91cca3aa8972e6daaa34bcea526 Mon Sep 17 00:00:00 2001 From: wangyufan Date: Mon, 12 Oct 2020 11:28:17 +0800 Subject: [PATCH 0001/1021] expression: Wrong warning when compaing binary column (#17824) (#19983) --- types/convert.go | 3 +++ types/convert_test.go | 1 + 2 files changed, 4 insertions(+) diff --git a/types/convert.go b/types/convert.go index 02d2c0f187cf9..f3f8d291aeedf 100644 --- a/types/convert.go +++ b/types/convert.go @@ -654,6 +654,9 @@ func getValidFloatPrefix(sc *stmtctx.StatementContext, s string, isFuncCast bool break } eIdx = i + } else if c == '\u0000' { + s = s[:validLen] + break } else if c < '0' || c > '9' { break } else { diff --git a/types/convert_test.go b/types/convert_test.go index 7d5147f0f7de0..47d4fa0612e78 100644 --- a/types/convert_test.go +++ b/types/convert_test.go @@ -867,6 +867,7 @@ func (s *testTypeConvertSuite) TestGetValidFloat(c *C) { {"123.e", "123."}, {"0-123", "0"}, {"9-3", "9"}, + {"1001001\\u0000\\u0000\\u0000", "1001001"}, } sc := new(stmtctx.StatementContext) for _, tt := range tests { From a8c5532df046c58ac8cc582669edd1a080a81b70 Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Mon, 12 Oct 2020 12:09:12 +0800 Subject: [PATCH 0002/1021] expression: fix schema may change when execute DML statement (#20331) --- executor/executor_test.go | 13 +++++++++++++ expression/builtin_miscellaneous.go | 5 +++-- 2 files changed, 16 insertions(+), 2 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index b4a6d97a42ed3..75b700129db57 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6564,3 +6564,16 @@ func (s *testSuite) TestIssue20237(c *C) { tk.MustExec(`insert into s values(-37),(105),(-22),(-56),(124),(105),(111),(-5);`) tk.MustQuery(`select count(distinct t.a, t.b) from t join s on t.b= s.b;`).Check(testkit.Rows("4")) } + +func (s *testSerialSuite) TestIssue19148(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a decimal(16, 2));") + tk.MustExec("select * from t where a > any_value(a);") + ctx := tk.Se.(sessionctx.Context) + is := domain.GetDomain(ctx).InfoSchema() + tblInfo, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) + c.Assert(err, IsNil) + c.Assert(int(tblInfo.Meta().Columns[0].Flag), Equals, 0) +} diff --git a/expression/builtin_miscellaneous.go b/expression/builtin_miscellaneous.go index 9e40a70f11e3e..cd9a7a2ca3bf0 100644 --- a/expression/builtin_miscellaneous.go +++ b/expression/builtin_miscellaneous.go @@ -222,8 +222,9 @@ func (c *anyValueFunctionClass) getFunction(ctx sessionctx.Context, args []Expre if err != nil { return nil, err } - args[0].GetType().Flag |= bf.tp.Flag - *bf.tp = *args[0].GetType() + ft := args[0].GetType().Clone() + ft.Flag |= bf.tp.Flag + *bf.tp = *ft var sig builtinFunc switch argTp { case types.ETDecimal: From b892fd8391d8e0a3bffb602f50155fb349f9d207 Mon Sep 17 00:00:00 2001 From: Null not nil <67764674+nullnotnil@users.noreply.github.com> Date: Sun, 11 Oct 2020 23:29:12 -0600 Subject: [PATCH 0003/1021] server: support for client multi-statement option (#19459) --- server/conn.go | 11 +++++++++++ server/conn_test.go | 5 +++++ server/server.go | 1 + server/server_test.go | 16 +++++++++++++++- server/tidb_test.go | 1 + 5 files changed, 33 insertions(+), 1 deletion(-) diff --git a/server/conn.go b/server/conn.go index 92bbea218b82b..fee8d684cf2be 100644 --- a/server/conn.go +++ b/server/conn.go @@ -1388,6 +1388,17 @@ func (cc *clientConn) handleQuery(ctx context.Context, sql string) (err error) { var pointPlans []plannercore.Plan if len(stmts) > 1 { + + // The client gets to choose if it allows multi-statements, and + // probably defaults OFF. This helps prevent against SQL injection attacks + // by early terminating the first statement, and then running an entirely + // new statement. + + capabilities := cc.ctx.GetSessionVars().ClientCapability + if capabilities&mysql.ClientMultiStatements < 1 { + return errMultiStatementDisabled + } + // Only pre-build point plans for multi-statement query pointPlans, err = cc.prefetchPointPlanKeys(ctx, stmts) if err != nil { diff --git a/server/conn_test.go b/server/conn_test.go index dd4685e7c814a..8f94bda3c746d 100644 --- a/server/conn_test.go +++ b/server/conn_test.go @@ -680,6 +680,11 @@ func (ts *ConnTestSuite) TestPrefetchPointKeys(c *C) { tk.MustExec("insert prefetch values (1, 1, 1), (2, 2, 2), (3, 3, 3)") tk.MustExec("begin optimistic") tk.MustExec("update prefetch set c = c + 1 where a = 2 and b = 2") + + // enable multi-statement + capabilities := cc.ctx.GetSessionVars().ClientCapability + capabilities ^= mysql.ClientMultiStatements + cc.ctx.SetClientCapability(capabilities) query := "update prefetch set c = c + 1 where a = 1 and b = 1;" + "update prefetch set c = c + 1 where a = 2 and b = 2;" + "update prefetch set c = c + 1 where a = 3 and b = 3;" diff --git a/server/server.go b/server/server.go index 8954eca113a77..f96766790dce4 100644 --- a/server/server.go +++ b/server/server.go @@ -97,6 +97,7 @@ var ( errAccessDenied = terror.ClassServer.New(errno.ErrAccessDenied, errno.MySQLErrName[errno.ErrAccessDenied]) errConCount = terror.ClassServer.New(errno.ErrConCount, errno.MySQLErrName[errno.ErrConCount]) errSecureTransportRequired = terror.ClassServer.New(errno.ErrSecureTransportRequired, errno.MySQLErrName[errno.ErrSecureTransportRequired]) + errMultiStatementDisabled = terror.ClassServer.New(errno.ErrUnknown, "client has multi-statement capability disabled") // MySQL returns a parse error ) // DefaultCapability is the capability of the server when it is created using the default configuration. diff --git a/server/server_test.go b/server/server_test.go index b400b54be69f5..feb14cb4ccffd 100644 --- a/server/server_test.go +++ b/server/server_test.go @@ -1212,8 +1212,22 @@ func (cli *testServerClient) runTestStatusAPI(c *C) { c.Assert(data.GitHash, Equals, versioninfo.TiDBGitHash) } +// The golang sql driver (and most drivers) should have multi-statement +// disabled by default for security reasons. Lets ensure that the behavior +// is correct. + +func (cli *testServerClient) runFailedTestMultiStatements(c *C) { + cli.runTestsOnNewDB(c, nil, "FailedMultiStatements", func(dbt *DBTest) { + _, err := dbt.db.Exec("SELECT 1; SELECT 1; SELECT 2; SELECT 3;") + c.Assert(err.Error(), Equals, "Error 1105: client has multi-statement capability disabled") + }) +} + func (cli *testServerClient) runTestMultiStatements(c *C) { - cli.runTestsOnNewDB(c, nil, "MultiStatements", func(dbt *DBTest) { + + cli.runTestsOnNewDB(c, func(config *mysql.Config) { + config.Params = map[string]string{"multiStatements": "true"} + }, "MultiStatements", func(dbt *DBTest) { // Create Table dbt.mustExec("CREATE TABLE `test` (`id` int(11) NOT NULL, `value` int(11) NOT NULL) ") diff --git a/server/tidb_test.go b/server/tidb_test.go index 2cf4f07b7752a..cdabeb1c2d27c 100644 --- a/server/tidb_test.go +++ b/server/tidb_test.go @@ -311,6 +311,7 @@ func newTLSHttpClient(c *C, caFile, certFile, keyFile string) *http.Client { func (ts *tidbTestSuite) TestMultiStatements(c *C) { c.Parallel() + ts.runFailedTestMultiStatements(c) ts.runTestMultiStatements(c) } From 9f93efdf648189737564e738269f12e32a11a800 Mon Sep 17 00:00:00 2001 From: crazycs Date: Mon, 12 Oct 2020 15:13:40 +0800 Subject: [PATCH 0004/1021] metric: add metric for pessimistic lock keys (#20383) Signed-off-by: crazycs520 --- metrics/session.go | 1 + store/tikv/txn.go | 2 ++ 2 files changed, 3 insertions(+) diff --git a/metrics/session.go b/metrics/session.go index 4838ee771ac8b..feb38783ce161 100644 --- a/metrics/session.go +++ b/metrics/session.go @@ -142,4 +142,5 @@ const ( LblAddress = "address" LblBatchGet = "batch_get" LblGet = "get" + LblLockKeys = "lock_keys" ) diff --git a/store/tikv/txn.go b/store/tikv/txn.go index 401900a74dc60..be33ed4ab341c 100644 --- a/store/tikv/txn.go +++ b/store/tikv/txn.go @@ -45,6 +45,7 @@ var ( tikvTxnCmdHistogramWithRollback = metrics.TiKVTxnCmdHistogram.WithLabelValues(metrics.LblRollback) tikvTxnCmdHistogramWithBatchGet = metrics.TiKVTxnCmdHistogram.WithLabelValues(metrics.LblBatchGet) tikvTxnCmdHistogramWithGet = metrics.TiKVTxnCmdHistogram.WithLabelValues(metrics.LblGet) + tikvTxnCmdHistogramWithLockKeys = metrics.TiKVTxnCmdHistogram.WithLabelValues(metrics.LblLockKeys) ) // SchemaAmender is used by pessimistic transactions to amend commit mutations for schema change during 2pc. @@ -368,6 +369,7 @@ func (txn *tikvTxn) LockKeys(ctx context.Context, lockCtx *kv.LockCtx, keysInput txn.mu.Lock() defer txn.mu.Unlock() defer func() { + tikvTxnCmdHistogramWithLockKeys.Observe(time.Since(startTime).Seconds()) if err == nil { if lockCtx.PessimisticLockWaited != nil { if atomic.LoadInt32(lockCtx.PessimisticLockWaited) > 0 { From ced01b23338c2a952e7c77a24c2b5eca79eeb1c8 Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Mon, 12 Oct 2020 15:52:52 +0800 Subject: [PATCH 0005/1021] planner: estimate index row count using extended correlation stats (#20160) --- planner/core/cbo_test.go | 32 + planner/core/find_best_task.go | 106 +- ...analyzeSuiteTestLimitIndexEstimationT.json | 46522 ++++++++++++++++ planner/core/testdata/analyze_suite_in.json | 9 + planner/core/testdata/analyze_suite_out.json | 26 + 5 files changed, 46673 insertions(+), 22 deletions(-) create mode 100644 planner/core/testdata/analyzeSuiteTestLimitIndexEstimationT.json diff --git a/planner/core/cbo_test.go b/planner/core/cbo_test.go index 5ee932438bed0..ee857e8e44881 100644 --- a/planner/core/cbo_test.go +++ b/planner/core/cbo_test.go @@ -928,3 +928,35 @@ func (s *testAnalyzeSuite) TestIndexEqualUnknown(c *C) { testKit.MustQuery(tt).Check(testkit.Rows(output[i].Plan...)) } } + +func (s *testAnalyzeSuite) TestLimitIndexEstimation(c *C) { + defer testleak.AfterTest(c)() + store, dom, err := newStoreWithBootstrap() + c.Assert(err, IsNil) + tk := testkit.NewTestKit(c, store) + defer func() { + dom.Close() + store.Close() + }() + + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int, b int, key idx_a(a), key idx_b(b))") + // Values in column a are from 1 to 1000000, values in column b are from 1000000 to 1, + // these 2 columns are strictly correlated in reverse order. + err = s.loadTableStats("analyzeSuiteTestLimitIndexEstimationT.json", dom) + c.Assert(err, IsNil) + var input []string + var output []struct { + SQL string + Plan []string + } + s.testData.GetTestCases(c, &input, &output) + for i, tt := range input { + s.testData.OnRecord(func() { + output[i].SQL = tt + output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows()) + }) + tk.MustQuery(tt).Check(testkit.Rows(output[i].Plan...)) + } +} diff --git a/planner/core/find_best_task.go b/planner/core/find_best_task.go index ec5e5192cfbfd..c6a2ae423e8cc 100644 --- a/planner/core/find_best_task.go +++ b/planner/core/find_best_task.go @@ -1182,9 +1182,9 @@ func (ds *DataSource) splitIndexFilterConditions(conditions []expression.Express return indexConditions, tableConditions } -// getMostCorrColFromExprs checks if column in the condition is correlated enough with handle. If the condition +// getMostCorrCol4Handle checks if column in the condition is correlated enough with handle. If the condition // contains multiple columns, return nil and get the max correlation, which would be used in the heuristic estimation. -func getMostCorrColFromExprs(exprs []expression.Expression, histColl *statistics.Table, threshold float64) (*expression.Column, float64) { +func getMostCorrCol4Handle(exprs []expression.Expression, histColl *statistics.Table, threshold float64) (*expression.Column, float64) { var cols []*expression.Column cols = expression.ExtractColumnsFromExpressions(cols, exprs, nil) if len(cols) == 0 { @@ -1202,13 +1202,13 @@ func getMostCorrColFromExprs(exprs []expression.Expression, histColl *statistics if !ok { continue } - curCorr := math.Abs(hist.Correlation) - if corrCol == nil || corr < curCorr { + curCorr := hist.Correlation + if corrCol == nil || math.Abs(corr) < math.Abs(curCorr) { corrCol = col corr = curCorr } } - if len(colSet) == 1 && corr >= threshold { + if len(colSet) == 1 && math.Abs(corr) >= threshold { return corrCol, corr } return nil, corr @@ -1273,28 +1273,31 @@ func convertRangeFromExpectedCnt(ranges []*ranger.Range, rangeCounts []float64, return convertedRanges, count, false } -// crossEstimateRowCount estimates row count of table scan using histogram of another column which is in TableFilters +// crossEstimateTableRowCount estimates row count of table scan using histogram of another column which is in TableFilters // and has high order correlation with handle column. For example, if the query is like: // `select * from tbl where a = 1 order by pk limit 1` // if order of column `a` is strictly correlated with column `pk`, the row count of table scan should be: // `1 + row_count(a < 1 or a is null)` -func (ds *DataSource) crossEstimateRowCount(path *util.AccessPath, expectedCnt float64, desc bool) (float64, bool, float64) { +func (ds *DataSource) crossEstimateTableRowCount(path *util.AccessPath, expectedCnt float64, desc bool) (float64, bool, float64) { if ds.statisticTable.Pseudo || len(path.TableFilters) == 0 { return 0, false, 0 } - col, corr := getMostCorrColFromExprs(path.TableFilters, ds.statisticTable, ds.ctx.GetSessionVars().CorrelationThreshold) - // If table scan is not full range scan, we cannot use histogram of other columns for estimation, because + col, corr := getMostCorrCol4Handle(path.TableFilters, ds.statisticTable, ds.ctx.GetSessionVars().CorrelationThreshold) + return ds.crossEstimateRowCount(path, path.TableFilters, col, corr, expectedCnt, desc) +} + +// crossEstimateRowCount is the common logic of crossEstimateTableRowCount and crossEstimateIndexRowCount. +func (ds *DataSource) crossEstimateRowCount(path *util.AccessPath, conds []expression.Expression, col *expression.Column, corr, expectedCnt float64, desc bool) (float64, bool, float64) { + // If the scan is not full range scan, we cannot use histogram of other columns for estimation, because // the histogram reflects value distribution in the whole table level. if col == nil || len(path.AccessConds) > 0 { return 0, false, corr } - colInfoID := col.ID - colID := col.UniqueID - colHist := ds.statisticTable.Columns[colInfoID] - if colHist.Correlation < 0 { + colInfoID, colID := col.ID, col.UniqueID + if corr < 0 { desc = !desc } - accessConds, remained := ranger.DetachCondsForColumn(ds.ctx, path.TableFilters, col) + accessConds, remained := ranger.DetachCondsForColumn(ds.ctx, conds, col) if len(accessConds) == 0 { return 0, false, corr } @@ -1332,6 +1335,62 @@ func (ds *DataSource) crossEstimateRowCount(path *util.AccessPath, expectedCnt f return scanCount, true, 0 } +// crossEstimateIndexRowCount estimates row count of index scan using histogram of another column which is in TableFilters/IndexFilters +// and has high order correlation with the first index column. For example, if the query is like: +// `select * from tbl where a = 1 order by b limit 1` +// if order of column `a` is strictly correlated with column `b`, the row count of IndexScan(b) should be: +// `1 + row_count(a < 1 or a is null)` +func (ds *DataSource) crossEstimateIndexRowCount(path *util.AccessPath, expectedCnt float64, desc bool) (float64, bool, float64) { + filtersLen := len(path.TableFilters) + len(path.IndexFilters) + if ds.statisticTable.Pseudo || filtersLen == 0 { + return 0, false, 0 + } + col, corr := getMostCorrCol4Index(path, ds.statisticTable, ds.ctx.GetSessionVars().CorrelationThreshold) + filters := make([]expression.Expression, 0, filtersLen) + filters = append(filters, path.TableFilters...) + filters = append(filters, path.IndexFilters...) + return ds.crossEstimateRowCount(path, filters, col, corr, expectedCnt, desc) +} + +// getMostCorrCol4Index checks if column in the condition is correlated enough with the first index column. If the condition +// contains multiple columns, return nil and get the max correlation, which would be used in the heuristic estimation. +func getMostCorrCol4Index(path *util.AccessPath, histColl *statistics.Table, threshold float64) (*expression.Column, float64) { + if histColl.ExtendedStats == nil || len(histColl.ExtendedStats.Stats) == 0 { + return nil, 0 + } + var cols []*expression.Column + cols = expression.ExtractColumnsFromExpressions(cols, path.TableFilters, nil) + cols = expression.ExtractColumnsFromExpressions(cols, path.IndexFilters, nil) + if len(cols) == 0 { + return nil, 0 + } + colSet := set.NewInt64Set() + var corr float64 + var corrCol *expression.Column + for _, col := range cols { + if colSet.Exist(col.UniqueID) { + continue + } + colSet.Insert(col.UniqueID) + curCorr := float64(0) + for _, item := range histColl.ExtendedStats.Stats { + if (col.ID == item.ColIDs[0] && path.FullIdxCols[0].ID == item.ColIDs[1]) || + (col.ID == item.ColIDs[1] && path.FullIdxCols[0].ID == item.ColIDs[0]) { + curCorr = item.ScalarVals + break + } + } + if corrCol == nil || math.Abs(corr) < math.Abs(curCorr) { + corrCol = col + corr = curCorr + } + } + if len(colSet) == 1 && math.Abs(corr) >= threshold { + return corrCol, corr + } + return nil, corr +} + // GetPhysicalScan returns PhysicalTableScan for the LogicalTableScan. func (s *LogicalTableScan) GetPhysicalScan(schema *expression.Schema, stats *property.StatsInfo) *PhysicalTableScan { ds := s.Source @@ -1608,7 +1667,7 @@ func (ds *DataSource) getOriginalPhysicalTableScan(prop *property.PhysicalProper } rowCount := path.CountAfterAccess if prop.ExpectedCnt < ds.stats.RowCount { - count, ok, corr := ds.crossEstimateRowCount(path, prop.ExpectedCnt, isMatchProp && prop.Items[0].Desc) + count, ok, corr := ds.crossEstimateTableRowCount(path, prop.ExpectedCnt, isMatchProp && prop.Items[0].Desc) if ok { // TODO: actually, before using this count as the estimated row count of table scan, we need additionally // check if count < row_count(first_region | last_region), and use the larger one since we build one copTask @@ -1618,8 +1677,8 @@ func (ds *DataSource) getOriginalPhysicalTableScan(prop *property.PhysicalProper // Considering that when this scenario happens, the execution time is close between IndexScan and TableScan, // we do not add this check temporarily. rowCount = count - } else if corr < 1 { - correlationFactor := math.Pow(1-corr, float64(ds.ctx.GetSessionVars().CorrelationExpFactor)) + } else if abs := math.Abs(corr); abs < 1 { + correlationFactor := math.Pow(1-abs, float64(ds.ctx.GetSessionVars().CorrelationExpFactor)) selectivity := ds.stats.RowCount / rowCount rowCount = math.Min(prop.ExpectedCnt/selectivity/correlationFactor, rowCount) } @@ -1681,12 +1740,15 @@ func (ds *DataSource) getOriginalPhysicalIndexScan(prop *property.PhysicalProper } rowCount := path.CountAfterAccess is.initSchema(append(path.FullIdxCols, ds.commonHandleCols...), !isSingleScan) - // Only use expectedCnt when it's smaller than the count we calculated. - // e.g. IndexScan(count1)->After Filter(count2). The `ds.stats.RowCount` is count2. count1 is the one we need to calculate - // If expectedCnt and count2 are both zero and we go into the below `if` block, the count1 will be set to zero though it's shouldn't be. if (isMatchProp || prop.IsEmpty()) && prop.ExpectedCnt < ds.stats.RowCount { - selectivity := ds.stats.RowCount / path.CountAfterAccess - rowCount = math.Min(prop.ExpectedCnt/selectivity, rowCount) + count, ok, corr := ds.crossEstimateIndexRowCount(path, prop.ExpectedCnt, isMatchProp && prop.Items[0].Desc) + if ok { + rowCount = count + } else if abs := math.Abs(corr); abs < 1 { + correlationFactor := math.Pow(1-abs, float64(ds.ctx.GetSessionVars().CorrelationExpFactor)) + selectivity := ds.stats.RowCount / rowCount + rowCount = math.Min(prop.ExpectedCnt/selectivity/correlationFactor, rowCount) + } } is.stats = ds.tableStats.ScaleByExpectCnt(rowCount) rowSize := is.indexScanRowSize(idx, ds, true) diff --git a/planner/core/testdata/analyzeSuiteTestLimitIndexEstimationT.json b/planner/core/testdata/analyzeSuiteTestLimitIndexEstimationT.json new file mode 100644 index 0000000000000..1ea31af5f7629 --- /dev/null +++ b/planner/core/testdata/analyzeSuiteTestLimitIndexEstimationT.json @@ -0,0 +1,46522 @@ +{ + "database_name": "test", + "table_name": "t", + "columns": { + "a": { + "histogram": { + "ndv": 1000000, + "buckets": [ + { + "count": 3998, + "lower_bound": "MTQwMw==", + "upper_bound": "MzY0MQ==", + "repeats": 1 + }, + { + "count": 7996, + "lower_bound": "MzgxNg==", + "upper_bound": "NjUyOQ==", + "repeats": 1 + }, + { + "count": 11994, + "lower_bound": "NjgyMw==", + "upper_bound": "MTE5MTk=", + "repeats": 1 + }, + { + "count": 15992, + "lower_bound": "MTIzNTE=", + "upper_bound": "MTc4NjI=", + "repeats": 1 + }, + { + "count": 19990, + "lower_bound": "MTgxNTE=", + "upper_bound": "MjUxNjI=", + "repeats": 1 + }, + { + "count": 23988, + "lower_bound": "MjY3NDU=", + "upper_bound": "Mjk2MzE=", + "repeats": 1 + }, + { + "count": 27986, + "lower_bound": 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+ 483, + 491, + 505, + 493, + 493, + 493, + 465, + 497, + 477, + 497, + 468, + 448, + 496, + 483, + 480, + 482, + 495, + 483, + 506, + 518, + 486, + 501, + 482, + 442, + 489, + 516, + 487, + 458, + 496, + 527, + 467, + 454, + 485, + 489, + 496, + 469, + 468, + 523, + 470, + 480, + 477, + 471, + 506, + 480, + 522, + 499, + 479, + 483, + 537, + 466, + 485, + 490, + 534, + 468, + 500, + 514, + 494, + 489, + 480, + 511, + 509, + 488, + 544, + 492, + 478, + 536, + 447, + 465, + 490, + 457, + 501, + 501, + 533, + 498, + 486, + 456, + 491, + 487, + 477, + 494, + 501, + 492, + 472, + 459, + 491, + 490, + 461, + 499, + 485, + 489, + 476, + 477, + 503, + 476, + 483, + 470, + 496, + 450, + 467, + 472, + 500, + 488, + 482, + 471, + 490, + 494, + 482, + 486, + 551, + 502, + 510, + 496, + 495, + 524, + 521, + 504, + 483, + 488, + 487, + 489, + 506, + 525, + 469, + 495, + 473, + 462, + 495, + 472, + 507, + 480, + 507, + 517, + 509, + 503, + 504, + 478, + 541, + 471, + 517, + 520, + 516, + 506, + 515, + 479, + 496, + 473, + 469, + 459, + 488, + 487, + 463, + 493, + 492, + 484, + 487, + 462, + 475, + 493, + 541, + 492, + 480, + 492, + 522, + 522, + 463, + 490, + 485, + 540, + 482, + 500, + 520, + 468, + 529, + 478, + 522, + 527, + 465, + 430, + 501, + 485, + 474, + 517, + 509, + 491, + 484, + 468, + 505 + ] + } + ], + "default_value": 0 + }, + "null_count": 0, + "tot_col_size": 0, + "last_update_version": 417600050823954432, + "correlation": 0 + } + }, + "ext_stats": [ + { + "stats_name": "stats1", + "db": "test", + "cols": [ + 1, + 2 + ], + "type": 2, + "scalar_vals": -1, + "string_vals": "" + } + ], + "count": 1000000, + "modify_count": 0, + "partitions": null +} \ No newline at end of file diff --git a/planner/core/testdata/analyze_suite_in.json b/planner/core/testdata/analyze_suite_in.json index 1187de96f090e..8d2e32ddb7401 100644 --- a/planner/core/testdata/analyze_suite_in.json +++ b/planner/core/testdata/analyze_suite_in.json @@ -193,5 +193,14 @@ // Should choose `primary` index instead of index `b`. "explain select c, b from t where a = 7639902 order by b asc limit 6" ] + }, + { + "name": "TestLimitIndexEstimation", + "cases": [ + // Should choose idx_a instead of idx_b, because idx_b would scan 990001 rows. + "explain select * from t where a <= 10000 order by b limit 1", + // Should choose idx_b instead of idx_a, because idx_b would scan only 1 row. + "explain select * from t where a >= 999900 order by b limit 1" + ] } ] diff --git a/planner/core/testdata/analyze_suite_out.json b/planner/core/testdata/analyze_suite_out.json index 8d42349bb20fc..e7d6df463ef1c 100644 --- a/planner/core/testdata/analyze_suite_out.json +++ b/planner/core/testdata/analyze_suite_out.json @@ -378,5 +378,31 @@ ] } ] + }, + { + "Name": "TestLimitIndexEstimation", + "Cases": [ + { + "SQL": "explain select * from t where a <= 10000 order by b limit 1", + "Plan": [ + "TopN_9 1.00 root test.t.b, offset:0, count:1", + "└─IndexLookUp_21 1.00 root ", + " ├─IndexRangeScan_18(Build) 10000.00 cop[tikv] table:t, index:idx_a(a) range:[-inf,10000], keep order:false", + " └─TopN_20(Probe) 1.00 cop[tikv] test.t.b, offset:0, count:1", + " └─TableRowIDScan_19 10000.00 cop[tikv] table:t keep order:false" + ] + }, + { + "SQL": "explain select * from t where a >= 999900 order by b limit 1", + "Plan": [ + "Limit_12 1.00 root offset:0, count:1", + "└─Projection_32 1.00 root test.t.a, test.t.b", + " └─IndexLookUp_31 1.00 root ", + " ├─IndexFullScan_28(Build) 1.00 cop[tikv] table:t, index:idx_b(b) keep order:true", + " └─Selection_30(Probe) 1.00 cop[tikv] ge(test.t.a, 999900)", + " └─TableRowIDScan_29 1.00 cop[tikv] table:t keep order:false" + ] + } + ] } ] From 3ecac8e33e531594c56e8f2a1fdf8ecb3a74f35b Mon Sep 17 00:00:00 2001 From: cfzjywxk Date: Mon, 12 Oct 2020 16:25:40 +0800 Subject: [PATCH 0006/1021] txn: add schema version check for async commit recovery (#20186) --- session/pessimistic_test.go | 30 +++++++++++++ store/tikv/2pc.go | 86 ++++++++++++++++++++++++++++++------- store/tikv/lock_resolver.go | 10 ++++- 3 files changed, 110 insertions(+), 16 deletions(-) diff --git a/session/pessimistic_test.go b/session/pessimistic_test.go index 66a2b405fff64..1c503665d0b3c 100644 --- a/session/pessimistic_test.go +++ b/session/pessimistic_test.go @@ -1824,3 +1824,33 @@ func (s *testPessimisticSuite) TestSelectForUpdateConflictRetry(c *C) { // should increase c.Assert(tk3LastTs, Greater, tk2LastTS) } + +func (s *testPessimisticSuite) TestAsyncCommitWithSchemaChange(c *C) { + defer config.RestoreFunc()() + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.AsyncCommit.Enable = true + }) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/beforeSchemaCheck", "return"), IsNil) + defer func() { + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/beforeSchemaCheck"), IsNil) + }() + + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("drop table if exists tk") + tk.MustExec("create table tk (c1 int primary key, c2 int)") + tk.MustExec("insert into tk values(1,1),(2,2)") + tk2 := testkit.NewTestKitWithInit(c, s.store) + tk3 := testkit.NewTestKitWithInit(c, s.store) + + // The txn tk writes something but with failpoint the primary key is not committed. + tk.MustExec("begin optimistic") + // Change the schema version. + tk2.MustExec("alter table tk add column c3 int after c2") + tk.MustExec("insert into tk values(3, 3)") + tk.MustExec("commit") + + // Trigger the recovery process, the left locks should not be committed. + tk3.MustExec("begin") + tk3.MustQuery("select * from tk").Check(testkit.Rows("1 1 ", "2 2 ")) + tk3.MustExec("rollback") +} diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index 9d2ebc089e7ca..761deb2592b59 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -31,6 +31,7 @@ import ( "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/meta" "github.com/pingcap/tidb/metrics" "github.com/pingcap/tidb/sessionctx/binloginfo" "github.com/pingcap/tidb/store/tikv/oracle" @@ -959,29 +960,45 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { logutil.SetTag(ctx, "commitTs", commitTS) } - tryAmend := c.isPessimistic && c.connID > 0 && !c.isAsyncCommit() && c.txn.schemaAmender != nil - if !tryAmend { - _, _, err = c.checkSchemaValid(ctx, commitTS, c.txn.txnInfoSchema, false) + if c.connID > 0 { + failpoint.Inject("beforeSchemaCheck", func() { + failpoint.Return() + }) + } + + if c.isAsyncCommit() { + schemaVerIsTheSame, err := checkSchemaVersionForAsyncCommit(ctx, c.startTS, commitTS, c.store) if err != nil { return errors.Trace(err) } - } else { - relatedSchemaChange, memAmended, err := c.checkSchemaValid(ctx, commitTS, c.txn.txnInfoSchema, true) - if err != nil { - return errors.Trace(err) + if !schemaVerIsTheSame { + return errors.Trace(errors.Errorf("Schema changed for async commit startTS=%v commitTS=%v", c.startTS, commitTS)) } - if memAmended { - // Get new commitTS and check schema valid again. - newCommitTS, err := c.getCommitTS(ctx, commitDetail) + } else { + tryAmend := c.isPessimistic && c.connID > 0 && c.txn.schemaAmender != nil + if !tryAmend { + _, _, err = c.checkSchemaValid(ctx, commitTS, c.txn.txnInfoSchema, false) if err != nil { return errors.Trace(err) } - // If schema check failed between commitTS and newCommitTs, report schema change error. - _, _, err = c.checkSchemaValid(ctx, newCommitTS, relatedSchemaChange.LatestInfoSchema, false) + } else { + relatedSchemaChange, memAmended, err := c.checkSchemaValid(ctx, commitTS, c.txn.txnInfoSchema, true) if err != nil { return errors.Trace(err) } - commitTS = newCommitTS + if memAmended { + // Get new commitTS and check schema valid again. + newCommitTS, err := c.getCommitTS(ctx, commitDetail) + if err != nil { + return errors.Trace(err) + } + // If schema check failed between commitTS and newCommitTs, report schema change error. + _, _, err = c.checkSchemaValid(ctx, newCommitTS, relatedSchemaChange.LatestInfoSchema, false) + if err != nil { + return errors.Trace(err) + } + commitTS = newCommitTS + } } } c.commitTS = commitTS @@ -999,8 +1016,9 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { if c.isAsyncCommit() { // For async commit protocol, the commit is considered success here. c.txn.commitTS = c.commitTS - logutil.Logger(ctx).Info("2PC will use async commit protocol to commit this txn", zap.Uint64("startTS", c.startTS), - zap.Uint64("commitTS", c.commitTS)) + logutil.Logger(ctx).Info("2PC will use async commit protocol to commit this txn", + zap.Uint64("startTS", c.startTS), zap.Uint64("commitTS", c.commitTS), + zap.Uint64("connID", c.connID)) go func() { failpoint.Inject("asyncCommitDoNothing", func() { failpoint.Return() @@ -1476,3 +1494,41 @@ func (c *twoPhaseCommitter) getUndeterminedErr() error { defer c.mu.RUnlock() return c.mu.undeterminedErr } + +// checkSchemaVersionForAsyncCommit is used to check schema version change for async commit transactions +// only. For async commit protocol, we need to make sure the check result is the same during common execution +// path and the recovery path. As the schema lease checker has a limited size of cached schema diff version, it's +// possible the schema cache is changed and the schema lease checker can't decide if the related table has +// schema version change. So we just check the version from meta snapshot, it's much stricter. +func checkSchemaVersionForAsyncCommit(ctx context.Context, startTS uint64, commitTS uint64, store Storage) (bool, error) { + if commitTS > 0 { + snapshotAtStart, err := store.GetSnapshot(kv.NewVersion(startTS)) + if err != nil { + logutil.Logger(ctx).Error("get snapshot failed for resolve async startTS", + zap.Uint64("startTS", startTS), zap.Uint64("commitTS", commitTS)) + return false, errors.Trace(err) + } + snapShotAtCommit, err := store.GetSnapshot(kv.NewVersion(commitTS)) + if err != nil { + logutil.Logger(ctx).Error("get snapshot failed for resolve async commitTS", + zap.Uint64("startTS", startTS), zap.Uint64("commitTS", commitTS)) + return false, errors.Trace(err) + } + schemaVerAtStart, err := meta.NewSnapshotMeta(snapshotAtStart).GetSchemaVersion() + if err != nil { + return false, errors.Trace(err) + } + schemaVerAtCommit, err := meta.NewSnapshotMeta(snapShotAtCommit).GetSchemaVersion() + if err != nil { + return false, errors.Trace(err) + } + if schemaVerAtStart != schemaVerAtCommit { + logutil.Logger(ctx).Info("async commit txn need to rollback since schema version has changed", + zap.Uint64("startTS", startTS), zap.Uint64("commitTS", commitTS), + zap.Int64("schema version at start", schemaVerAtStart), + zap.Int64("schema version at commit", schemaVerAtCommit)) + return false, nil + } + } + return true, nil +} diff --git a/store/tikv/lock_resolver.go b/store/tikv/lock_resolver.go index 54bb85934f0f2..3fa6fc8c8a3bc 100644 --- a/store/tikv/lock_resolver.go +++ b/store/tikv/lock_resolver.go @@ -807,7 +807,15 @@ func (lr *LockResolver) checkAllSecondaries(bo *Backoffer, l *Lock, status *TxnS return nil, errors.Errorf("async commit recovery (sending CheckSecondaryLocks) finished with errors: %v", errs) } - // TODO(nrc, cfzjywxk) schema lease check + if shared.commitTs > 0 { + schemaVerIsTheSame, err := checkSchemaVersionForAsyncCommit(bo.ctx, l.TxnID, shared.commitTs, lr.store) + if err != nil { + return nil, errors.Trace(err) + } + if !schemaVerIsTheSame { + shared.commitTs = 0 + } + } return &shared, nil } From 1fc278c12d5c7891ca4c70a6b1258667991c07a7 Mon Sep 17 00:00:00 2001 From: Mingcong Han Date: Mon, 12 Oct 2020 16:47:10 +0800 Subject: [PATCH 0007/1021] planner: remove the `groupByCols` field in `LogicalAggregation` (#20352) --- planner/core/exhaust_physical_plans.go | 7 ++++--- planner/core/logical_plan_builder.go | 11 ----------- planner/core/logical_plans.go | 16 ++++++++-------- planner/core/property_cols_prune.go | 7 ++++--- planner/core/rule_aggregation_elimination.go | 2 +- planner/core/rule_aggregation_push_down.go | 7 +------ planner/core/rule_build_key_info.go | 5 +++-- planner/core/rule_decorrelate.go | 4 +--- planner/core/rule_eliminate_projection.go | 1 - planner/core/rule_predicate_push_down.go | 2 +- 10 files changed, 23 insertions(+), 39 deletions(-) diff --git a/planner/core/exhaust_physical_plans.go b/planner/core/exhaust_physical_plans.go index b6db7043b9c4b..09d4d87fdf7bf 100644 --- a/planner/core/exhaust_physical_plans.go +++ b/planner/core/exhaust_physical_plans.go @@ -1879,7 +1879,7 @@ func (la *LogicalAggregation) getEnforcedStreamAggs(prop *property.PhysicalPrope childProp := &property.PhysicalProperty{ ExpectedCnt: math.Max(prop.ExpectedCnt*la.inputCount/la.stats.RowCount, prop.ExpectedCnt), Enforced: true, - Items: property.ItemsFromCols(la.groupByCols, desc), + Items: property.ItemsFromCols(la.GetGroupByCols(), desc), } if !prop.IsPrefix(childProp) { return enforcedAggs @@ -1938,7 +1938,8 @@ func (la *LogicalAggregation) getStreamAggs(prop *property.PhysicalProperty) []P } } // group by a + b is not interested in any order. - if len(la.groupByCols) != len(la.GroupByItems) { + groupByCols := la.GetGroupByCols() + if len(groupByCols) != len(la.GroupByItems) { return nil } @@ -1949,7 +1950,7 @@ func (la *LogicalAggregation) getStreamAggs(prop *property.PhysicalProperty) []P } for _, possibleChildProperty := range la.possibleProperties { - childProp.Items = property.ItemsFromCols(possibleChildProperty[:len(la.groupByCols)], desc) + childProp.Items = property.ItemsFromCols(possibleChildProperty[:len(groupByCols)], desc) if !prop.IsPrefix(childProp) { continue } diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index 0b2d79840e2f9..a728bb2fcbd6d 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -113,15 +113,6 @@ const ( ErrExprInOrderBy = "ORDER BY" ) -func (la *LogicalAggregation) collectGroupByColumns() { - la.groupByCols = la.groupByCols[:0] - for _, item := range la.GroupByItems { - if col, ok := item.(*expression.Column); ok { - la.groupByCols = append(la.groupByCols, col) - } - } -} - // aggOrderByResolver is currently resolving expressions of order by clause // in aggregate function GROUP_CONCAT. type aggOrderByResolver struct { @@ -260,7 +251,6 @@ func (b *PlanBuilder) buildAggregation(ctx context.Context, p LogicalPlan, aggFu plan4Agg.SetChildren(p) plan4Agg.GroupByItems = gbyItems plan4Agg.SetSchema(schema4Agg) - plan4Agg.collectGroupByColumns() return plan4Agg, aggIndexMap, nil } @@ -1083,7 +1073,6 @@ func (b *PlanBuilder) buildDistinct(child LogicalPlan, length int) (*LogicalAggr if hint := b.TableHints(); hint != nil { plan4Agg.aggHints = hint.aggHints } - plan4Agg.collectGroupByColumns() for _, col := range child.Schema().Columns { aggDesc, err := aggregation.NewAggFuncDesc(b.ctx, ast.AggFuncFirstRow, []expression.Expression{col}, false) if err != nil { diff --git a/planner/core/logical_plans.go b/planner/core/logical_plans.go index 83e74590d6c70..9f26f1f211924 100644 --- a/planner/core/logical_plans.go +++ b/planner/core/logical_plans.go @@ -307,8 +307,6 @@ type LogicalAggregation struct { AggFuncs []*aggregation.AggFuncDesc GroupByItems []expression.Expression - // groupByCols stores the columns that are group-by items. - groupByCols []*expression.Column // aggHints stores aggregation hint information. aggHints aggHintInfo @@ -349,14 +347,16 @@ func (la *LogicalAggregation) IsCompleteModeAgg() bool { return la.AggFuncs[0].Mode == aggregation.CompleteMode } -// GetGroupByCols returns the groupByCols. If the groupByCols haven't be collected, -// this method would collect them at first. If the GroupByItems have been changed, -// we should explicitly collect GroupByColumns before this method. +// GetGroupByCols returns the columns that are group-by items. +// For example, `group by a, b, c+d` will return [a, b]. func (la *LogicalAggregation) GetGroupByCols() []*expression.Column { - if la.groupByCols == nil { - la.collectGroupByColumns() + groupByCols := make([]*expression.Column, 0, len(la.GroupByItems)) + for _, item := range la.GroupByItems { + if col, ok := item.(*expression.Column); ok { + groupByCols = append(groupByCols, col) + } } - return la.groupByCols + return groupByCols } // ExtractCorrelatedCols implements LogicalPlan interface. diff --git a/planner/core/property_cols_prune.go b/planner/core/property_cols_prune.go index a57a06993893e..c8296aa799283 100644 --- a/planner/core/property_cols_prune.go +++ b/planner/core/property_cols_prune.go @@ -200,10 +200,11 @@ func (la *LogicalAggregation) PreparePossibleProperties(schema *expression.Schem return nil } resultProperties := make([][]*expression.Column, 0, len(childProps)) + groupByCols := la.GetGroupByCols() for _, possibleChildProperty := range childProps { - sortColOffsets := getMaxSortPrefix(possibleChildProperty, la.groupByCols) - if len(sortColOffsets) == len(la.groupByCols) { - resultProperties = append(resultProperties, possibleChildProperty[:len(la.groupByCols)]) + sortColOffsets := getMaxSortPrefix(possibleChildProperty, groupByCols) + if len(sortColOffsets) == len(groupByCols) { + resultProperties = append(resultProperties, possibleChildProperty[:len(groupByCols)]) } } la.possibleProperties = resultProperties diff --git a/planner/core/rule_aggregation_elimination.go b/planner/core/rule_aggregation_elimination.go index 7af0511c12864..143649b1f1271 100644 --- a/planner/core/rule_aggregation_elimination.go +++ b/planner/core/rule_aggregation_elimination.go @@ -51,7 +51,7 @@ func (a *aggregationEliminateChecker) tryToEliminateAggregation(agg *LogicalAggr return nil } } - schemaByGroupby := expression.NewSchema(agg.groupByCols...) + schemaByGroupby := expression.NewSchema(agg.GetGroupByCols()...) coveredByUniqueKey := false for _, key := range agg.children[0].Schema().Keys { if schemaByGroupby.ColumnsIndices(key) != nil { diff --git a/planner/core/rule_aggregation_push_down.go b/planner/core/rule_aggregation_push_down.go index 0c796e4b0c3f4..0eba09a777fca 100644 --- a/planner/core/rule_aggregation_push_down.go +++ b/planner/core/rule_aggregation_push_down.go @@ -269,7 +269,6 @@ func (a *aggregationPushDownSolver) checkAnyCountAndSum(aggFuncs []*aggregation. func (a *aggregationPushDownSolver) makeNewAgg(ctx sessionctx.Context, aggFuncs []*aggregation.AggFuncDesc, gbyCols []*expression.Column, aggHints aggHintInfo, blockOffset int) (*LogicalAggregation, error) { agg := LogicalAggregation{ GroupByItems: expression.Column2Exprs(gbyCols), - groupByCols: gbyCols, aggHints: aggHints, }.Init(ctx, blockOffset) aggLen := len(aggFuncs) + len(gbyCols) @@ -306,7 +305,6 @@ func (a *aggregationPushDownSolver) splitPartialAgg(agg *LogicalAggregation) (pu agg.SetSchema(final.Schema) agg.AggFuncs = final.AggFuncs agg.GroupByItems = final.GroupByItems - agg.collectGroupByColumns() pushedAgg = LogicalAggregation{ AggFuncs: partial.AggFuncs, @@ -314,7 +312,6 @@ func (a *aggregationPushDownSolver) splitPartialAgg(agg *LogicalAggregation) (pu aggHints: agg.aggHints, }.Init(agg.ctx, agg.blockOffset) pushedAgg.SetSchema(partial.Schema) - pushedAgg.collectGroupByColumns() return } @@ -347,8 +344,7 @@ func (a *aggregationPushDownSolver) pushAggCrossUnion(agg *LogicalAggregation, u } newAgg.AggFuncs = append(newAgg.AggFuncs, firstRow) } - newAgg.collectGroupByColumns() - tmpSchema := expression.NewSchema(newAgg.groupByCols...) + tmpSchema := expression.NewSchema(newAgg.GetGroupByCols()...) // e.g. Union distinct will add a aggregation like `select join_agg_0, join_agg_1, join_agg_2 from t group by a, b, c` above UnionAll. // And the pushed agg will be something like `select a, b, c, a, b, c from t group by a, b, c`. So if we just return child as join does, // this will cause error during executor phase. @@ -434,7 +430,6 @@ func (a *aggregationPushDownSolver) aggPushDown(p LogicalPlan) (_ LogicalPlan, e for i, gbyItem := range agg.GroupByItems { agg.GroupByItems[i] = expression.ColumnSubstitute(gbyItem, proj.schema, proj.Exprs) } - agg.collectGroupByColumns() for _, aggFunc := range agg.AggFuncs { newArgs := make([]expression.Expression, 0, len(aggFunc.Args)) for _, arg := range aggFunc.Args { diff --git a/planner/core/rule_build_key_info.go b/planner/core/rule_build_key_info.go index 11c4e41aa24fa..4e32e518367a2 100644 --- a/planner/core/rule_build_key_info.go +++ b/planner/core/rule_build_key_info.go @@ -58,8 +58,9 @@ func (la *LogicalAggregation) BuildKeyInfo(selfSchema *expression.Schema, childS } selfSchema.Keys = append(selfSchema.Keys, newKey) } - if len(la.groupByCols) == len(la.GroupByItems) && len(la.GroupByItems) > 0 { - indices := selfSchema.ColumnsIndices(la.groupByCols) + groupByCols := la.GetGroupByCols() + if len(groupByCols) == len(la.GroupByItems) && len(la.GroupByItems) > 0 { + indices := selfSchema.ColumnsIndices(groupByCols) if indices != nil { newKey := make([]*expression.Column, 0, len(indices)) for _, i := range indices { diff --git a/planner/core/rule_decorrelate.go b/planner/core/rule_decorrelate.go index 956d651f660ff..ad28f66be5053 100644 --- a/planner/core/rule_decorrelate.go +++ b/planner/core/rule_decorrelate.go @@ -205,7 +205,6 @@ func (s *decorrelateSolver) optimize(ctx context.Context, p LogicalPlan) (Logica agg.SetChildren(np) // TODO: Add a Projection if any argument of aggregate funcs or group by items are scalar functions. // agg.buildProjectionIfNecessary() - agg.collectGroupByColumns() return agg, nil } // We can pull up the equal conditions below the aggregation as the join key of the apply, if only @@ -228,7 +227,7 @@ func (s *decorrelateSolver) optimize(ctx context.Context, p LogicalPlan) (Logica sel.Conditions = remainedExpr apply.CorCols = extractCorColumnsBySchema4LogicalPlan(apply.children[1], apply.children[0].Schema()) // There's no other correlated column. - groupByCols := expression.NewSchema(agg.groupByCols...) + groupByCols := expression.NewSchema(agg.GetGroupByCols()...) if len(apply.CorCols) == 0 { join := &apply.LogicalJoin join.EqualConditions = append(join.EqualConditions, eqCondWithCorCol...) @@ -250,7 +249,6 @@ func (s *decorrelateSolver) optimize(ctx context.Context, p LogicalPlan) (Logica groupByCols.Append(clonedCol) } } - agg.collectGroupByColumns() // The selection may be useless, check and remove it. if len(sel.Conditions) == 0 { agg.SetChildren(sel.children[0]) diff --git a/planner/core/rule_eliminate_projection.go b/planner/core/rule_eliminate_projection.go index 404c5e01dd77c..19326a7cb3ed4 100644 --- a/planner/core/rule_eliminate_projection.go +++ b/planner/core/rule_eliminate_projection.go @@ -206,7 +206,6 @@ func (la *LogicalAggregation) replaceExprColumns(replace map[string]*expression. for _, gbyItem := range la.GroupByItems { ResolveExprAndReplace(gbyItem, replace) } - la.collectGroupByColumns() } func (p *LogicalSelection) replaceExprColumns(replace map[string]*expression.Column) { diff --git a/planner/core/rule_predicate_push_down.go b/planner/core/rule_predicate_push_down.go index 417375bf31a4b..e3d0195c1b1a7 100644 --- a/planner/core/rule_predicate_push_down.go +++ b/planner/core/rule_predicate_push_down.go @@ -395,7 +395,7 @@ func (la *LogicalAggregation) PredicatePushDown(predicates []expression.Expressi for _, fun := range la.AggFuncs { exprsOriginal = append(exprsOriginal, fun.Args[0]) } - groupByColumns := expression.NewSchema(la.groupByCols...) + groupByColumns := expression.NewSchema(la.GetGroupByCols()...) for _, cond := range predicates { switch cond.(type) { case *expression.Constant: From 931323463f9320406e3480be43abb687043242bf Mon Sep 17 00:00:00 2001 From: MyonKeminta <9948422+MyonKeminta@users.noreply.github.com> Date: Mon, 12 Oct 2020 16:59:39 +0800 Subject: [PATCH 0008/1021] txn: Add some more unit tests for async commit (#20073) Signed-off-by: MyonKeminta Signed-off-by: Yilin Chen --- go.mod | 2 +- go.sum | 4 +- store/tikv/2pc_test.go | 2 - store/tikv/async_commit_fail_test.go | 49 +++++++--- store/tikv/async_commit_test.go | 138 ++++++++++++++++++++------- 5 files changed, 143 insertions(+), 52 deletions(-) diff --git a/go.mod b/go.mod index 74c870fed9007..aacfd3957317b 100644 --- a/go.mod +++ b/go.mod @@ -23,7 +23,7 @@ require ( github.com/klauspost/cpuid v1.2.1 github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7 github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef - github.com/ngaut/unistore v0.0.0-20200918091209-68a2db6bb775 + github.com/ngaut/unistore v0.0.0-20200929093420-76a7b18be28e github.com/opentracing/basictracer-go v1.0.0 github.com/opentracing/opentracing-go v1.1.0 github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2 diff --git a/go.sum b/go.sum index 64d2e1dcd7886..d6158e42bd797 100644 --- a/go.sum +++ b/go.sum @@ -401,8 +401,8 @@ github.com/ngaut/unistore v0.0.0-20200803051709-607d96233b1d/go.mod h1:2QAH8tXCj github.com/ngaut/unistore v0.0.0-20200806113332-5b9f73333a19/go.mod h1:RtZJKyiaHRiII+b9/g/4339rSikSvfrUJmIbrUkYVi4= github.com/ngaut/unistore v0.0.0-20200820080223-c734bcc4ea53/go.mod h1:85S5ZgzoHtTMyaEYhaWnxv9OWMBfyhTNuWypXCfVn/0= github.com/ngaut/unistore v0.0.0-20200828072424-1c0ede06a3fc/go.mod h1:iSlx5Ub/926GvQn6+d2B2C16wJJwgQIsi6k/bEU0vl4= -github.com/ngaut/unistore v0.0.0-20200918091209-68a2db6bb775 h1:9z7ZQ//+b6DjI79ak0sNf7RMgmjYh/BTB+NkipfdLiM= -github.com/ngaut/unistore v0.0.0-20200918091209-68a2db6bb775/go.mod h1:ZR3NH+HzqfiYetwdoAivApnIy8iefPZHTMLfrFNm8g4= +github.com/ngaut/unistore v0.0.0-20200929093420-76a7b18be28e h1:1a8YbLM1sBmwEjzEVT/JD12Vjf6BNnBBEUV3nAcZYKU= +github.com/ngaut/unistore v0.0.0-20200929093420-76a7b18be28e/go.mod h1:ZR3NH+HzqfiYetwdoAivApnIy8iefPZHTMLfrFNm8g4= github.com/nicksnyder/go-i18n v1.10.0/go.mod h1:HrK7VCrbOvQoUAQ7Vpy7i87N7JZZZ7R2xBGjv0j365Q= github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U= github.com/olekukonko/tablewriter v0.0.0-20170122224234-a0225b3f23b5/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo= diff --git a/store/tikv/2pc_test.go b/store/tikv/2pc_test.go index 8bbb53225a0f2..27cce10ed2ced 100644 --- a/store/tikv/2pc_test.go +++ b/store/tikv/2pc_test.go @@ -1228,8 +1228,6 @@ func (s *testCommitterSuite) TestAsyncCommit(c *C) { err = committer.execute(ctx) c.Assert(err, IsNil) - // TODO remove sleep when recovery logic is done - time.Sleep(1 * time.Second) s.checkValues(c, map[string]string{ string(pk): string(pkVal), string(k1): string(k1Val), diff --git a/store/tikv/async_commit_fail_test.go b/store/tikv/async_commit_fail_test.go index 2ded260a50964..837c81789337e 100644 --- a/store/tikv/async_commit_fail_test.go +++ b/store/tikv/async_commit_fail_test.go @@ -26,28 +26,17 @@ import ( "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx" - "github.com/pingcap/tidb/store/mockstore/cluster" - "github.com/pingcap/tidb/store/mockstore/unistore" ) type testAsyncCommitFailSuite struct { OneByOneSuite testAsyncCommitCommon - cluster cluster.Cluster - store *tikvStore } var _ = SerialSuites(&testAsyncCommitFailSuite{}) func (s *testAsyncCommitFailSuite) SetUpTest(c *C) { - client, pdClient, cluster, err := unistore.New("") - c.Assert(err, IsNil) - unistore.BootstrapWithSingleStore(cluster) - s.cluster = cluster - store, err := NewTestTiKVStore(client, pdClient, nil, nil, 0) - c.Assert(err, IsNil) - - s.store = store.(*tikvStore) + s.testAsyncCommitCommon.setUpTest(c) } // TestFailCommitPrimaryRpcErrors tests rpc errors are handled properly when @@ -85,13 +74,47 @@ func (s *testAsyncCommitFailSuite) TestFailAsyncCommitPrewriteRpcErrors(c *C) { c.Assert(bytes.Equal(res, []byte("a1")), IsTrue) } +func (s *testAsyncCommitFailSuite) TestPointGetWithAsyncCommit(c *C) { + defer config.RestoreFunc()() + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.AsyncCommit.Enable = true + }) + + s.putAlphabets(c) + + txn, err := s.store.Begin() + c.Assert(err, IsNil) + txn.Set([]byte("a"), []byte("v1")) + txn.Set([]byte("b"), []byte("v2")) + s.mustPointGet(c, []byte("a"), []byte("a")) + s.mustPointGet(c, []byte("b"), []byte("b")) + + // PointGet cannot ignore async commit transactions' locks. + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/asyncCommitDoNothing", "return"), IsNil) + ctx := context.WithValue(context.Background(), sessionctx.ConnID, uint64(1)) + err = txn.Commit(ctx) + c.Assert(err, IsNil) + c.Assert(txn.(*tikvTxn).committer.isAsyncCommit(), IsTrue) + s.mustPointGet(c, []byte("a"), []byte("v1")) + s.mustPointGet(c, []byte("b"), []byte("v2")) + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/asyncCommitDoNothing"), IsNil) + + // PointGet will not push the `max_ts` to its ts which is MaxUint64. + txn2, err := s.store.Begin() + c.Assert(err, IsNil) + s.mustGetFromTxn(c, txn2, []byte("a"), []byte("v1")) + s.mustGetFromTxn(c, txn2, []byte("b"), []byte("v2")) + err = txn2.Rollback() + c.Assert(err, IsNil) +} + func (s *testAsyncCommitFailSuite) TestSecondaryListInPrimaryLock(c *C) { defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { conf.TiKVClient.AsyncCommit.Enable = true }) - s.putAlphabets(c, s.store) + s.putAlphabets(c) // Split into several regions. for _, splitKey := range []string{"h", "o", "u"} { diff --git a/store/tikv/async_commit_test.go b/store/tikv/async_commit_test.go index fcd452f9d2dde..b3cfff13c5378 100644 --- a/store/tikv/async_commit_test.go +++ b/store/tikv/async_commit_test.go @@ -24,24 +24,21 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/kvproto/pkg/kvrpcpb" "github.com/pingcap/tidb/config" + "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/store/mockstore/cluster" "github.com/pingcap/tidb/store/mockstore/unistore" "github.com/pingcap/tidb/store/tikv/tikvrpc" ) -type testAsyncCommitCommon struct{} - -type testAsyncCommitSuite struct { - OneByOneSuite - testAsyncCommitCommon +// testAsyncCommitCommon is used to put common parts that will be both used by +// testAsyncCommitSuite and testAsyncCommitFailSuite. +type testAsyncCommitCommon struct { cluster cluster.Cluster store *tikvStore - bo *Backoffer } -var _ = Suite(&testAsyncCommitSuite{}) - -func (s *testAsyncCommitSuite) SetUpTest(c *C) { +func (s *testAsyncCommitCommon) setUpTest(c *C) { client, pdClient, cluster, err := unistore.New("") c.Assert(err, IsNil) unistore.BootstrapWithSingleStore(cluster) @@ -50,17 +47,16 @@ func (s *testAsyncCommitSuite) SetUpTest(c *C) { c.Assert(err, IsNil) s.store = store.(*tikvStore) - s.bo = NewBackofferWithVars(context.Background(), 5000, nil) } -func (s *testAsyncCommitCommon) putAlphabets(c *C, store *tikvStore) { +func (s *testAsyncCommitCommon) putAlphabets(c *C) { for ch := byte('a'); ch <= byte('z'); ch++ { - s.putKV(c, store, []byte{ch}, []byte{ch}) + s.putKV(c, []byte{ch}, []byte{ch}) } } -func (s *testAsyncCommitCommon) putKV(c *C, store *tikvStore, key, value []byte) (uint64, uint64) { - txn, err := store.Begin() +func (s *testAsyncCommitCommon) putKV(c *C, key, value []byte) (uint64, uint64) { + txn, err := s.store.Begin() c.Assert(err, IsNil) err = txn.Set(key, value) c.Assert(err, IsNil) @@ -69,6 +65,53 @@ func (s *testAsyncCommitCommon) putKV(c *C, store *tikvStore, key, value []byte) return txn.StartTS(), txn.(*tikvTxn).commitTS } +func (s *testAsyncCommitCommon) mustGetFromTxn(c *C, txn kv.Transaction, key, expectedValue []byte) { + v, err := txn.Get(context.Background(), key) + c.Assert(err, IsNil) + c.Assert(v, BytesEquals, expectedValue) +} + +func (s *testAsyncCommitCommon) mustGetLock(c *C, key []byte) *Lock { + ver, err := s.store.CurrentVersion() + c.Assert(err, IsNil) + req := tikvrpc.NewRequest(tikvrpc.CmdGet, &kvrpcpb.GetRequest{ + Key: key, + Version: ver.Ver, + }) + bo := NewBackofferWithVars(context.Background(), 5000, nil) + loc, err := s.store.regionCache.LocateKey(bo, key) + c.Assert(err, IsNil) + resp, err := s.store.SendReq(bo, req, loc.Region, readTimeoutShort) + c.Assert(err, IsNil) + c.Assert(resp.Resp, NotNil) + keyErr := resp.Resp.(*kvrpcpb.GetResponse).GetError() + c.Assert(keyErr, NotNil) + lock, err := extractLockFromKeyErr(keyErr) + c.Assert(err, IsNil) + return lock +} + +func (s *testAsyncCommitCommon) mustPointGet(c *C, key, expectedValue []byte) { + snap, err := s.store.GetSnapshot(kv.MaxVersion) + c.Assert(err, IsNil) + value, err := snap.Get(context.Background(), key) + c.Assert(err, IsNil) + c.Assert(value, BytesEquals, expectedValue) +} + +type testAsyncCommitSuite struct { + OneByOneSuite + testAsyncCommitCommon + bo *Backoffer +} + +var _ = Suite(&testAsyncCommitSuite{}) + +func (s *testAsyncCommitSuite) SetUpTest(c *C) { + s.testAsyncCommitCommon.setUpTest(c) + s.bo = NewBackofferWithVars(context.Background(), 5000, nil) +} + func (s *testAsyncCommitSuite) lockKeys(c *C, keys, values [][]byte, primaryKey, primaryValue []byte, commitPrimary bool) (uint64, uint64) { txn, err := newTiKVTxn(s.store) c.Assert(err, IsNil) @@ -103,32 +146,13 @@ func (s *testAsyncCommitSuite) lockKeys(c *C, keys, values [][]byte, primaryKey, return txn.startTS, tpc.commitTS } -func (s *testAsyncCommitSuite) mustGetLock(c *C, key []byte) *Lock { - ver, err := s.store.CurrentVersion() - c.Assert(err, IsNil) - req := tikvrpc.NewRequest(tikvrpc.CmdGet, &kvrpcpb.GetRequest{ - Key: key, - Version: ver.Ver, - }) - loc, err := s.store.regionCache.LocateKey(s.bo, key) - c.Assert(err, IsNil) - resp, err := s.store.SendReq(s.bo, req, loc.Region, readTimeoutShort) - c.Assert(err, IsNil) - c.Assert(resp.Resp, NotNil) - keyErr := resp.Resp.(*kvrpcpb.GetResponse).GetError() - c.Assert(keyErr, NotNil) - lock, err := extractLockFromKeyErr(keyErr) - c.Assert(err, IsNil) - return lock -} - func (s *testAsyncCommitSuite) TestCheckSecondaries(c *C) { defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { conf.TiKVClient.AsyncCommit.Enable = true }) - s.putAlphabets(c, s.store) + s.putAlphabets(c) loc, err := s.store.GetRegionCache().LocateKey(s.bo, []byte("a")) c.Assert(err, IsNil) @@ -269,6 +293,52 @@ func (s *testAsyncCommitSuite) TestCheckSecondaries(c *C) { c.Assert(gotOther, Equals, int64(0)) } +func (s *testAsyncCommitSuite) TestRepeatableRead(c *C) { + defer config.RestoreFunc()() + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.AsyncCommit.Enable = true + }) + + var connID uint64 = 0 + test := func(isPessimistic bool) { + s.putKV(c, []byte("k1"), []byte("v1")) + + connID++ + ctx := context.WithValue(context.Background(), sessionctx.ConnID, connID) + txn1, err := s.store.Begin() + txn1.SetOption(kv.Pessimistic, isPessimistic) + c.Assert(err, IsNil) + s.mustGetFromTxn(c, txn1, []byte("k1"), []byte("v1")) + txn1.Set([]byte("k1"), []byte("v2")) + + for i := 0; i < 20; i++ { + _, err := s.store.GetOracle().GetTimestamp(ctx) + c.Assert(err, IsNil) + } + + txn2, err := s.store.Begin() + c.Assert(err, IsNil) + s.mustGetFromTxn(c, txn2, []byte("k1"), []byte("v1")) + + err = txn1.Commit(ctx) + c.Assert(err, IsNil) + // Check txn1 is committed in async commit. + c.Assert(txn1.(*tikvTxn).committer.isAsyncCommit(), IsTrue) + s.mustGetFromTxn(c, txn2, []byte("k1"), []byte("v1")) + err = txn2.Rollback() + c.Assert(err, IsNil) + + txn3, err := s.store.Begin() + c.Assert(err, IsNil) + s.mustGetFromTxn(c, txn3, []byte("k1"), []byte("v2")) + err = txn3.Rollback() + c.Assert(err, IsNil) + } + + test(false) + test(true) +} + type mockResolveClient struct { inner Client onResolveLock func(*kvrpcpb.ResolveLockRequest) (*tikvrpc.Response, error) From f11c95c61199fcc82e18fbb2fdbda30973e595b5 Mon Sep 17 00:00:00 2001 From: Yuanjia Zhang Date: Mon, 12 Oct 2020 19:37:04 +0800 Subject: [PATCH 0009/1021] execute: fill arguments when returning `ErrUnknownSystemVar` in `SetSessionSystemVar` (#20102) --- sessionctx/variable/varsutil.go | 2 +- sessionctx/variable/varsutil_test.go | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/sessionctx/variable/varsutil.go b/sessionctx/variable/varsutil.go index 8c43d7e788324..3bf9264e531ee 100644 --- a/sessionctx/variable/varsutil.go +++ b/sessionctx/variable/varsutil.go @@ -209,7 +209,7 @@ const epochShiftBits = 18 func SetSessionSystemVar(vars *SessionVars, name string, value types.Datum) error { sysVar := GetSysVar(name) if sysVar == nil { - return ErrUnknownSystemVar + return ErrUnknownSystemVar.GenWithStackByArgs(name) } sVal := "" var err error diff --git a/sessionctx/variable/varsutil_test.go b/sessionctx/variable/varsutil_test.go index 9dbf0443f3a4e..946d12bd86cb8 100644 --- a/sessionctx/variable/varsutil_test.go +++ b/sessionctx/variable/varsutil_test.go @@ -466,6 +466,9 @@ func (s *testVarsutilSuite) TestVarsutil(c *C) { c.Assert(err, IsNil) c.Assert(val, Equals, "1") c.Assert(v.systems[TiDBEnableChangeColumnType], Equals, "1") + + err = SetSessionSystemVar(v, "UnknownVariable", types.NewStringDatum("on")) + c.Assert(err, ErrorMatches, ".*]Unknown system variable 'UnknownVariable'") } func (s *testVarsutilSuite) TestSetOverflowBehave(c *C) { From 875cf6dfbb8b5743b4eb5b2eb9b31315eb48ca66 Mon Sep 17 00:00:00 2001 From: crazycs Date: Mon, 12 Oct 2020 20:25:18 +0800 Subject: [PATCH 0010/1021] executor: fix analyze update panic cause by duplicate call analyze executor Close method (#20390) --- executor/explain.go | 45 ++++++++++++++++------------------- executor/explain_test.go | 11 +++++---- executor/explain_unit_test.go | 4 ++++ 3 files changed, 30 insertions(+), 30 deletions(-) diff --git a/executor/explain.go b/executor/explain.go index ac4c30e699f34..5547573272c10 100644 --- a/executor/explain.go +++ b/executor/explain.go @@ -72,38 +72,33 @@ func (e *ExplainExec) Next(ctx context.Context, req *chunk.Chunk) error { return nil } -func (e *ExplainExec) generateExplainInfo(ctx context.Context) (rows [][]string, err error) { - closed := false - defer func() { - if !closed && e.analyzeExec != nil { - err = e.analyzeExec.Close() - closed = true - } - }() +func (e *ExplainExec) executeAnalyzeExec(ctx context.Context) (err error) { if e.analyzeExec != nil && !e.executed { + defer func() { + err1 := e.analyzeExec.Close() + if err1 != nil { + if err != nil { + err = errors.New(err.Error() + ", " + err1.Error()) + } else { + err = err1 + } + } + }() e.executed = true chk := newFirstChunk(e.analyzeExec) - var nextErr, closeErr error for { - nextErr = Next(ctx, e.analyzeExec, chk) - if nextErr != nil || chk.NumRows() == 0 { + err = Next(ctx, e.analyzeExec, chk) + if err != nil || chk.NumRows() == 0 { break } } - closeErr = e.analyzeExec.Close() - closed = true - if nextErr != nil { - if closeErr != nil { - err = errors.New(nextErr.Error() + ", " + closeErr.Error()) - } else { - err = nextErr - } - } else if closeErr != nil { - err = closeErr - } - if err != nil { - return nil, err - } + } + return err +} + +func (e *ExplainExec) generateExplainInfo(ctx context.Context) (rows [][]string, err error) { + if err = e.executeAnalyzeExec(ctx); err != nil { + return nil, err } if err = e.explain.RenderResult(); err != nil { return nil, err diff --git a/executor/explain_test.go b/executor/explain_test.go index b73d33e4870f8..e8e108e3580c3 100644 --- a/executor/explain_test.go +++ b/executor/explain_test.go @@ -93,14 +93,15 @@ func (s *testSuite1) TestExplainWrite(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("drop table if exists t") tk.MustExec("create table t (a int)") - tk.MustExec("explain analyze insert into t select 1") + tk.MustQuery("explain analyze insert into t select 1") tk.MustQuery("select * from t").Check(testkit.Rows("1")) - tk.MustExec("explain analyze update t set a=2 where a=1") + tk.MustQuery("explain analyze update t set a=2 where a=1") tk.MustQuery("select * from t").Check(testkit.Rows("2")) - tk.MustExec("explain insert into t select 1") + tk.MustQuery("explain insert into t select 1") tk.MustQuery("select * from t").Check(testkit.Rows("2")) - tk.MustExec("explain analyze insert into t select 1") - tk.MustQuery("select * from t order by a").Check(testkit.Rows("1", "2")) + tk.MustQuery("explain analyze insert into t select 1") + tk.MustQuery("explain analyze replace into t values (3)") + tk.MustQuery("select * from t order by a").Check(testkit.Rows("1", "2", "3")) } func (s *testSuite1) TestExplainAnalyzeMemory(c *C) { diff --git a/executor/explain_unit_test.go b/executor/explain_unit_test.go index fa9b13bc66e48..1276575f47c28 100644 --- a/executor/explain_unit_test.go +++ b/executor/explain_unit_test.go @@ -81,6 +81,10 @@ func TestExplainAnalyzeInvokeNextAndClose(t *testing.T) { t.Errorf(err.Error()) } // mockErrorOperator panic + explainExec = &ExplainExec{ + baseExecutor: baseExec, + explain: nil, + } mockOpr = mockErrorOperator{baseExec, true, false} explainExec.analyzeExec = &mockOpr defer func() { From 38ecab6a7c1dde3c9a2ed2713b3a69d63f662b77 Mon Sep 17 00:00:00 2001 From: crazycs Date: Mon, 12 Oct 2020 20:48:16 +0800 Subject: [PATCH 0011/1021] *: add gc duration in metric profile (#20379) --- executor/inspection_profile.go | 49 +++++++++++++++++++++++++++------- infoschema/metric_table_def.go | 12 ++++----- 2 files changed, 46 insertions(+), 15 deletions(-) diff --git a/executor/inspection_profile.go b/executor/inspection_profile.go index 56bf9153fa10f..397c276634f88 100644 --- a/executor/inspection_profile.go +++ b/executor/inspection_profile.go @@ -323,11 +323,16 @@ func NewProfileBuilder(sctx sessionctx.Context, start, end time.Time, tp string) // Collect uses to collect the related metric information. func (pb *profileBuilder) Collect() error { - pb.buf.WriteString(fmt.Sprintf(`digraph "%s" {`, "tidb_profile")) - pb.buf.WriteByte('\n') - pb.buf.WriteString(`node [style=filled fillcolor="#f8f8f8"]`) - pb.buf.WriteByte('\n') - err := pb.addMetricTree(pb.genTiDBQueryTree(), "tidb_query") + tidbQuery := pb.genTiDBQueryTree() + err := pb.init(tidbQuery, "tidb_query") + if err != nil { + return err + } + err = pb.traversal(tidbQuery) + if err != nil { + return err + } + err = pb.traversal(pb.genTiDBGCTree()) if err != nil { return err } @@ -350,8 +355,8 @@ func (pb *profileBuilder) getNameID(name string) uint64 { return id } -func (pb *profileBuilder) addMetricTree(root *metricNode, name string) error { - if root == nil { +func (pb *profileBuilder) init(total *metricNode, name string) error { + if total == nil { return nil } tp := "total_time" @@ -361,9 +366,13 @@ func (pb *profileBuilder) addMetricTree(root *metricNode, name string) error { case metricValueCnt: tp = "total_count" } + pb.buf.WriteString(fmt.Sprintf(`digraph "%s" {`, "tidb_profile")) + pb.buf.WriteByte('\n') + pb.buf.WriteString(`node [style=filled fillcolor="#f8f8f8"]`) + pb.buf.WriteByte('\n') pb.buf.WriteString(fmt.Sprintf(`subgraph %[1]s { "%[1]s" [shape=box fontsize=16 label="Type: %[1]s\lTime: %s\lDuration: %s\l"] }`, name+"_"+tp, pb.start.String(), pb.end.Sub(pb.start).String())) pb.buf.WriteByte('\n') - v, err := pb.GetTotalValue(root) + v, err := pb.GetTotalValue(total) if err != nil { return err } @@ -372,7 +381,7 @@ func (pb *profileBuilder) addMetricTree(root *metricNode, name string) error { } else { pb.totalValue = 1 } - return pb.traversal(root) + return nil } func (pb *profileBuilder) GetTotalValue(root *metricNode) (float64, error) { @@ -622,6 +631,21 @@ func (pb *profileBuilder) dotColor(score float64, isBackground bool) string { return fmt.Sprintf("#%02x%02x%02x", uint8(r*255.0), uint8(g*255.0), uint8(b*255.0)) } +func (pb *profileBuilder) genTiDBGCTree() *metricNode { + tidbGC := &metricNode{ + table: "tidb_gc", + isPartOfParent: true, + label: []string{"stage"}, + children: []*metricNode{ + { + table: "tidb_kv_request", + isPartOfParent: true, + }, + }, + } + return tidbGC +} + func (pb *profileBuilder) genTiDBQueryTree() *metricNode { tidbKVRequest := &metricNode{ table: "tidb_kv_request", @@ -689,6 +713,10 @@ func (pb *profileBuilder) genTiDBQueryTree() *metricNode { }, }, }, + { + table: "tikv_gc_tasks", + label: []string{"task"}, + }, }, }, }, @@ -713,6 +741,9 @@ func (pb *profileBuilder) genTiDBQueryTree() *metricNode { { table: "tidb_owner_handle_syncer", }, + { + table: "tidb_meta_operation", + }, }, }, }, diff --git a/infoschema/metric_table_def.go b/infoschema/metric_table_def.go index f74820d6f1055..82146bb87ef5b 100644 --- a/infoschema/metric_table_def.go +++ b/infoschema/metric_table_def.go @@ -605,8 +605,8 @@ var MetricTableMap = map[string]MetricTableDef{ }, "tidb_gc_duration": { Comment: "The quantile of kv storage garbage collection time durations", - PromQL: "histogram_quantile($QUANTILE, sum(rate(tidb_tikvclient_gc_seconds_bucket{$LABEL_CONDITIONS}[$RANGE_DURATION])) by (le,instance))", - Labels: []string{"instance"}, + PromQL: "histogram_quantile($QUANTILE, sum(rate(tidb_tikvclient_gc_seconds_bucket{$LABEL_CONDITIONS}[$RANGE_DURATION])) by (le,instance,stage))", + Labels: []string{"instance", "stage"}, Quantile: 0.95, }, "tidb_gc_config": { @@ -2522,13 +2522,13 @@ var MetricTableMap = map[string]MetricTableDef{ Comment: "The total time of kv storage range worker processing one task duration", }, "tidb_gc_total_count": { - PromQL: "sum(increase(tidb_tikvclient_gc_seconds_count{$LABEL_CONDITIONS}[$RANGE_DURATION])) by (instance)", - Labels: []string{"instance"}, + PromQL: "sum(increase(tidb_tikvclient_gc_seconds_count{$LABEL_CONDITIONS}[$RANGE_DURATION])) by (instance,stage)", + Labels: []string{"instance", "stage"}, Comment: "The total count of kv storage garbage collection", }, "tidb_gc_total_time": { - PromQL: "sum(increase(tidb_tikvclient_gc_seconds_sum{$LABEL_CONDITIONS}[$RANGE_DURATION])) by (instance)", - Labels: []string{"instance"}, + PromQL: "sum(increase(tidb_tikvclient_gc_seconds_sum{$LABEL_CONDITIONS}[$RANGE_DURATION])) by (instance,stage)", + Labels: []string{"instance", "stage"}, Comment: "The total time of kv storage garbage collection time durations", }, "tidb_get_token_total_count": { From 3ceceece2a4b7964b898a56ee3d8a133a8282ff8 Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Tue, 13 Oct 2020 11:05:04 +0800 Subject: [PATCH 0012/1021] planner: choose index with larger NDV on join keys for IndexJoin (#20250) --- planner/core/exhaust_physical_plans.go | 61 +++++++++++++------ planner/core/exhaust_physical_plans_test.go | 5 +- planner/core/integration_test.go | 25 ++++++++ .../core/testdata/integration_suite_in.json | 7 +++ .../core/testdata/integration_suite_out.json | 16 +++++ 5 files changed, 94 insertions(+), 20 deletions(-) diff --git a/planner/core/exhaust_physical_plans.go b/planner/core/exhaust_physical_plans.go index 09d4d87fdf7bf..3b67e8f66fd78 100644 --- a/planner/core/exhaust_physical_plans.go +++ b/planner/core/exhaust_physical_plans.go @@ -29,6 +29,7 @@ import ( "github.com/pingcap/tidb/planner/property" "github.com/pingcap/tidb/planner/util" "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/statistics" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/collate" @@ -622,7 +623,10 @@ func (p *LogicalJoin) getIndexJoinByOuterIdx(prop *property.PhysicalProperty, ou func (p *LogicalJoin) getIndexJoinBuildHelper(ds *DataSource, innerJoinKeys []*expression.Column, checkPathValid func(path *util.AccessPath) bool) (*indexJoinBuildHelper, []int) { - helper := &indexJoinBuildHelper{join: p} + helper := &indexJoinBuildHelper{ + join: p, + innerPlan: ds, + } for _, path := range ds.possibleAccessPaths { if checkPathValid(path) { emptyRange, err := helper.analyzeLookUpFilters(path, ds, innerJoinKeys) @@ -741,7 +745,7 @@ func (p *LogicalJoin) buildIndexJoinInner2IndexScan( joins = make([]PhysicalPlan, 0, 3) rangeInfo := helper.buildRangeDecidedByInformation(helper.chosenPath.IdxCols, outerJoinKeys) maxOneRow := false - if helper.chosenPath.Index.Unique && helper.maxUsedCols == len(helper.chosenPath.FullIdxCols) { + if helper.chosenPath.Index.Unique && helper.usedColsLen == len(helper.chosenPath.FullIdxCols) { l := len(helper.chosenAccess) if l == 0 { maxOneRow = true @@ -774,10 +778,12 @@ func (p *LogicalJoin) buildIndexJoinInner2IndexScan( } type indexJoinBuildHelper struct { - join *LogicalJoin + join *LogicalJoin + innerPlan *DataSource chosenIndexInfo *model.IndexInfo - maxUsedCols int + usedColsLen int + usedColsNDV float64 chosenAccess []expression.Expression chosenRemained []expression.Expression idxOff2KeyOff []int @@ -1272,7 +1278,7 @@ func (ijHelper *indexJoinBuildHelper) analyzeLookUpFilters(path *util.AccessPath if emptyRange { return true, nil } - ijHelper.updateBestChoice(ranges, path, accesses, remained, nil) + ijHelper.updateBestChoice(ranges, path, accesses, remained, nil, lastColPos) return false, nil } lastPossibleCol := path.IdxCols[lastColPos] @@ -1311,7 +1317,10 @@ func (ijHelper *indexJoinBuildHelper) analyzeLookUpFilters(path *util.AccessPath remained = append(remained, colAccesses...) } accesses = append(accesses, colAccesses...) - ijHelper.updateBestChoice(ranges, path, accesses, remained, nil) + if len(colAccesses) > 0 { + lastColPos = lastColPos + 1 + } + ijHelper.updateBestChoice(ranges, path, accesses, remained, nil, lastColPos) return false, nil } accesses = append(accesses, lastColAccess...) @@ -1323,24 +1332,38 @@ func (ijHelper *indexJoinBuildHelper) analyzeLookUpFilters(path *util.AccessPath if emptyRange { return true, nil } - ijHelper.updateBestChoice(ranges, path, accesses, remained, lastColManager) + ijHelper.updateBestChoice(ranges, path, accesses, remained, lastColManager, lastColPos+1) return false, nil } func (ijHelper *indexJoinBuildHelper) updateBestChoice(ranges []*ranger.Range, path *util.AccessPath, accesses, - remained []expression.Expression, lastColManager *ColWithCmpFuncManager) { - // We choose the index by the number of used columns of the range, the much the better. - // Notice that there may be the cases like `t1.a=t2.a and b > 2 and b < 1`. So ranges can be nil though the conditions are valid. - // But obviously when the range is nil, we don't need index join. - if len(ranges) > 0 && len(ranges[0].LowVal) > ijHelper.maxUsedCols { - ijHelper.chosenPath = path - ijHelper.maxUsedCols = len(ranges[0].LowVal) - ijHelper.chosenRanges = ranges - ijHelper.chosenAccess = accesses - ijHelper.chosenRemained = remained - ijHelper.idxOff2KeyOff = ijHelper.curIdxOff2KeyOff - ijHelper.lastColManager = lastColManager + remained []expression.Expression, lastColManager *ColWithCmpFuncManager, usedColsLen int) { + // Notice that there may be the cases like `t1.a = t2.a and b > 2 and b < 1`, so ranges can be nil though the conditions are valid. + // Obviously when the range is nil, we don't need index join. + if len(ranges) == 0 { + return + } + var innerNDV float64 + if stats := ijHelper.innerPlan.statsInfo(); stats != nil && stats.StatsVersion != statistics.PseudoVersion { + innerNDV = getCardinality(path.IdxCols[:usedColsLen], ijHelper.innerPlan.Schema(), stats) + } + // We choose the index by the NDV of the used columns, the larger the better. + // If NDVs are same, we choose index which uses more columns. + // Note that these 2 heuristic rules are too simple to cover all cases, + // since the NDV of outer join keys are not considered, and the detached access conditions + // may contain expressions like `t1.a > t2.a`. It's pretty hard to evaluate the join selectivity + // of these non-column-equal conditions, so I prefer to keep these heuristic rules simple at least for now. + if innerNDV < ijHelper.usedColsNDV || (innerNDV == ijHelper.usedColsNDV && usedColsLen <= ijHelper.usedColsLen) { + return } + ijHelper.chosenPath = path + ijHelper.usedColsLen = len(ranges[0].LowVal) + ijHelper.usedColsNDV = innerNDV + ijHelper.chosenRanges = ranges + ijHelper.chosenAccess = accesses + ijHelper.chosenRemained = remained + ijHelper.idxOff2KeyOff = ijHelper.curIdxOff2KeyOff + ijHelper.lastColManager = lastColManager } func (ijHelper *indexJoinBuildHelper) buildTemplateRange(matchedKeyCnt int, eqAndInFuncs []expression.Expression, nextColRange []*ranger.Range, haveExtraCol bool) (ranges []*ranger.Range, emptyRange bool, err error) { diff --git a/planner/core/exhaust_physical_plans_test.go b/planner/core/exhaust_physical_plans_test.go index c3569527df786..df5a83dffb1f1 100644 --- a/planner/core/exhaust_physical_plans_test.go +++ b/planner/core/exhaust_physical_plans_test.go @@ -21,7 +21,9 @@ import ( "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/expression" + "github.com/pingcap/tidb/planner/property" "github.com/pingcap/tidb/planner/util" + "github.com/pingcap/tidb/statistics" "github.com/pingcap/tidb/types" ) @@ -82,6 +84,7 @@ func (s *testUnitTestSuit) TestIndexJoinAnalyzeLookUpFilters(c *C) { DBName: model.NewCIStr("test"), }) dataSourceNode.schema = dsSchema + dataSourceNode.stats = &property.StatsInfo{StatsVersion: statistics.PseudoVersion} outerChildSchema := expression.NewSchema() var outerChildNames types.NameSlice outerChildSchema.Append(&expression.Column{ @@ -244,7 +247,7 @@ func (s *testUnitTestSuit) TestIndexJoinAnalyzeLookUpFilters(c *C) { others, err := s.rewriteSimpleExpr(tt.otherConds, joinNode.schema, joinColNames) c.Assert(err, IsNil) joinNode.OtherConditions = others - helper := &indexJoinBuildHelper{join: joinNode, lastColManager: nil} + helper := &indexJoinBuildHelper{join: joinNode, lastColManager: nil, innerPlan: dataSourceNode} _, err = helper.analyzeLookUpFilters(path, dataSourceNode, tt.innerKeys) c.Assert(err, IsNil) c.Assert(fmt.Sprintf("%v", helper.chosenAccess), Equals, tt.accesses) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index a6f2e58c00b96..6289bf76933d8 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1198,6 +1198,31 @@ func (s *testIntegrationSuite) TestTableDualWithRequiredProperty(c *C) { tk.MustExec("select /*+ MERGE_JOIN(t1, t2) */ * from t1 partition (p0), t2 where t1.a > 100 and t1.a = t2.a") } +func (s *testIntegrationSuite) TestIndexJoinInnerIndexNDV(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a int not null, b int not null, c int not null)") + tk.MustExec("create table t2(a int not null, b int not null, c int not null, index idx1(a,b), index idx2(c))") + tk.MustExec("insert into t1 values(1,1,1),(1,1,1),(1,1,1)") + tk.MustExec("insert into t2 values(1,1,1),(1,1,2),(1,1,3)") + tk.MustExec("analyze table t1, t2") + + var input []string + var output []struct { + SQL string + Plan []string + } + s.testData.GetTestCases(c, &input, &output) + for i, tt := range input { + s.testData.OnRecord(func() { + output[i].SQL = tt + output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows()) + }) + tk.MustQuery(tt).Check(testkit.Rows(output[i].Plan...)) + } +} + func (s *testIntegrationSerialSuite) TestIssue16837(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/planner/core/testdata/integration_suite_in.json b/planner/core/testdata/integration_suite_in.json index 62930182da16d..2417855ee0660 100644 --- a/planner/core/testdata/integration_suite_in.json +++ b/planner/core/testdata/integration_suite_in.json @@ -19,6 +19,13 @@ "explain select * from t t1 left join t t2 on t1.a=t2.a where from_unixtime(t2.b);" ] }, + { + "name": "TestIndexJoinInnerIndexNDV", + "cases": [ + // t2 should use idx2 instead of idx1, since idx2 has larger NDV. + "explain select /*+ inl_join(t2) */ * from t1, t2 where t1.a = t2.a and t1.b = t2.b and t1.c = t2.c" + ] + }, { "name": "TestSimplifyOuterJoinWithCast", "cases": [ diff --git a/planner/core/testdata/integration_suite_out.json b/planner/core/testdata/integration_suite_out.json index fcbd1959212e1..245f8f991f385 100644 --- a/planner/core/testdata/integration_suite_out.json +++ b/planner/core/testdata/integration_suite_out.json @@ -62,6 +62,22 @@ } ] }, + { + "Name": "TestIndexJoinInnerIndexNDV", + "Cases": [ + { + "SQL": "explain select /*+ inl_join(t2) */ * from t1, t2 where t1.a = t2.a and t1.b = t2.b and t1.c = t2.c", + "Plan": [ + "IndexJoin_10 3.00 root inner join, inner:IndexLookUp_9, outer key:test.t1.c, inner key:test.t2.c, other cond:eq(test.t1.a, test.t2.a), eq(test.t1.b, test.t2.b)", + "├─TableReader_20(Build) 3.00 root data:TableFullScan_19", + "│ └─TableFullScan_19 3.00 cop[tikv] table:t1 keep order:false", + "└─IndexLookUp_9(Probe) 1.00 root ", + " ├─IndexRangeScan_7(Build) 1.00 cop[tikv] table:t2, index:idx2(c) range: decided by [eq(test.t2.c, test.t1.c)], keep order:false", + " └─TableRowIDScan_8(Probe) 1.00 cop[tikv] table:t2 keep order:false" + ] + } + ] + }, { "Name": "TestSimplifyOuterJoinWithCast", "Cases": [ From 0ed9f4d050819a63043b24c71ccb93d66922260e Mon Sep 17 00:00:00 2001 From: crazycs Date: Tue, 13 Oct 2020 14:06:09 +0800 Subject: [PATCH 0013/1021] executor: tiny optimize slow_query performance and add related runtime stats (#20200) --- executor/executor_pkg_test.go | 17 +++ executor/memtable_reader.go | 11 ++ executor/slow_query.go | 217 +++++++++++++++++++++++++------- util/execdetails/execdetails.go | 2 + util/memory/tracker.go | 5 + 5 files changed, 208 insertions(+), 44 deletions(-) mode change 100644 => 100755 executor/slow_query.go diff --git a/executor/executor_pkg_test.go b/executor/executor_pkg_test.go index bca52e2632bb5..a95f12b69788c 100644 --- a/executor/executor_pkg_test.go +++ b/executor/executor_pkg_test.go @@ -16,6 +16,7 @@ package executor import ( "context" "crypto/tls" + "time" . "github.com/pingcap/check" "github.com/pingcap/failpoint" @@ -390,3 +391,19 @@ func (s *testExecSerialSuite) TestSortSpillDisk(c *C) { err = exec.Close() c.Assert(err, IsNil) } + +func (s *pkgTestSuite) TestSlowQueryRuntimeStats(c *C) { + stats := &slowQueryRuntimeStats{ + totalFileNum: 2, + readFileNum: 2, + readFile: time.Second, + initialize: time.Millisecond, + readFileSize: 1024 * 1024 * 1024, + parseLog: int64(time.Millisecond * 100), + concurrent: 15, + } + c.Assert(stats.String(), Equals, "initialize: 1ms, read_file: 1s, parse_log: {time:100ms, concurrency:15}, total_file: 2, read_file: 2, read_size: 1024 MB") + c.Assert(stats.String(), Equals, stats.Clone().String()) + stats.Merge(stats.Clone()) + c.Assert(stats.String(), Equals, "initialize: 2ms, read_file: 2s, parse_log: {time:200ms, concurrency:15}, total_file: 4, read_file: 4, read_size: 2 GB") +} diff --git a/executor/memtable_reader.go b/executor/memtable_reader.go index 1f5a88e516982..bf17e3520dbb6 100644 --- a/executor/memtable_reader.go +++ b/executor/memtable_reader.go @@ -40,6 +40,7 @@ import ( "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/chunk" + "github.com/pingcap/tidb/util/execdetails" "github.com/pingcap/tidb/util/pdapi" "github.com/pingcap/tidb/util/set" "go.uber.org/zap" @@ -53,9 +54,12 @@ type dummyCloser struct{} func (dummyCloser) close() error { return nil } +func (dummyCloser) getRuntimeStats() execdetails.RuntimeStats { return nil } + type memTableRetriever interface { retrieve(ctx context.Context, sctx sessionctx.Context) ([][]types.Datum, error) close() error + getRuntimeStats() execdetails.RuntimeStats } // MemTableReaderExec executes memTable information retrieving from the MemTable components @@ -127,6 +131,9 @@ func (e *MemTableReaderExec) Next(ctx context.Context, req *chunk.Chunk) error { // Close implements the Executor Close interface. func (e *MemTableReaderExec) Close() error { + if stats := e.retriever.getRuntimeStats(); stats != nil && e.runtimeStats != nil { + e.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.RegisterStats(e.id, stats) + } return e.retriever.close() } @@ -661,3 +668,7 @@ func (e *clusterLogRetriever) close() error { } return nil } + +func (e *clusterLogRetriever) getRuntimeStats() execdetails.RuntimeStats { + return nil +} diff --git a/executor/slow_query.go b/executor/slow_query.go old mode 100644 new mode 100755 index fab505f431910..ca573c6370510 --- a/executor/slow_query.go +++ b/executor/slow_query.go @@ -18,12 +18,14 @@ import ( "context" "fmt" "io" + "io/ioutil" "os" "path/filepath" "sort" "strconv" "strings" "sync" + "sync/atomic" "time" "github.com/pingcap/errors" @@ -41,6 +43,7 @@ import ( "github.com/pingcap/tidb/util/execdetails" "github.com/pingcap/tidb/util/hack" "github.com/pingcap/tidb/util/logutil" + "github.com/pingcap/tidb/util/memory" "github.com/pingcap/tidb/util/plancodec" "go.uber.org/zap" ) @@ -57,6 +60,7 @@ type slowQueryRetriever struct { checker *slowLogChecker parsedSlowLogCh chan parsedSlowLog + stats *slowQueryRuntimeStats } func (e *slowQueryRetriever) retrieve(ctx context.Context, sctx sessionctx.Context) ([][]types.Datum, error) { @@ -98,6 +102,7 @@ func (e *slowQueryRetriever) initialize(sctx sessionctx.Context) error { hasProcessPriv: hasProcessPriv, user: sctx.GetSessionVars().User, } + e.stats = &slowQueryRuntimeStats{} if e.extractor != nil { e.checker.enableTimeCheck = e.extractor.Enable e.checker.startTime = types.NewTime(types.FromGoTime(e.extractor.StartTime), mysql.TypeDatetime, types.MaxFsp) @@ -123,14 +128,31 @@ type parsedSlowLog struct { err error } +func (e *slowQueryRetriever) getNextFile() *os.File { + if e.fileIdx >= len(e.files) { + return nil + } + file := e.files[e.fileIdx].file + e.fileIdx++ + if e.stats != nil { + stat, err := file.Stat() + if err == nil { + // ignore the err will be ok. + e.stats.readFileSize += stat.Size() + e.stats.readFileNum++ + } + } + return file +} + func (e *slowQueryRetriever) parseDataForSlowLog(ctx context.Context, sctx sessionctx.Context) { - if len(e.files) == 0 { - close(e.parsedSlowLogCh) + defer close(e.parsedSlowLogCh) + file := e.getNextFile() + if file == nil { return } - reader := bufio.NewReader(e.files[0].file) + reader := bufio.NewReader(file) e.parseSlowLog(ctx, sctx, reader, 64) - close(e.parsedSlowLogCh) } func (e *slowQueryRetriever) dataForSlowLog(ctx context.Context) ([][]types.Datum, bool, error) { @@ -228,13 +250,13 @@ func (e *slowQueryRetriever) getBatchLog(reader *bufio.Reader, offset *offset, n lineByte, err := getOneLine(reader) if err != nil { if err == io.EOF { - e.fileIdx++ e.fileLine = 0 - if e.fileIdx >= len(e.files) { + file := e.getNextFile() + if file == nil { return log, nil } offset.length = len(log) - reader.Reset(e.files[e.fileIdx].file) + reader.Reset(file) continue } return log, err @@ -256,14 +278,22 @@ func (e *slowQueryRetriever) parseSlowLog(ctx context.Context, sctx sessionctx.C var wg sync.WaitGroup offset := offset{offset: 0, length: 0} // To limit the num of go routine - ch := make(chan int, sctx.GetSessionVars().Concurrency.DistSQLScanConcurrency()) + concurrent := sctx.GetSessionVars().Concurrency.DistSQLScanConcurrency() + ch := make(chan int, concurrent) + if e.stats != nil { + e.stats.concurrent = concurrent + } defer close(ch) for { + startTime := time.Now() log, err := e.getBatchLog(reader, &offset, logNum) - if err != nil { + if err != nil || len(log) == 0 { e.parsedSlowLogCh <- parsedSlowLog{nil, err} break } + if e.stats != nil { + e.stats.readFile += time.Since(startTime) + } start := offset wg.Add(1) ch <- 1 @@ -303,10 +333,14 @@ func getLineIndex(offset offset, index int) int { } func (e *slowQueryRetriever) parseLog(ctx sessionctx.Context, log []string, offset offset) (data [][]types.Datum, err error) { + start := time.Now() defer func() { if r := recover(); r != nil { err = fmt.Errorf("%s", r) } + if e.stats != nil { + atomic.AddInt64(&e.stats.parseLog, int64(time.Since(start))) + } }() failpoint.Inject("errorMockParseSlowLogPanic", func(val failpoint.Value) { if val.(bool) { @@ -704,7 +738,16 @@ type logFile struct { // getAllFiles is used to get all slow-log needed to parse, it is exported for test. func (e *slowQueryRetriever) getAllFiles(sctx sessionctx.Context, logFilePath string) ([]logFile, error) { + totalFileNum := 0 + if e.stats != nil { + startTime := time.Now() + defer func() { + e.stats.initialize = time.Since(startTime) + e.stats.totalFileNum = totalFileNum + }() + } if e.extractor == nil || !e.extractor.Enable { + totalFileNum = 1 file, err := os.Open(logFilePath) if err != nil { if os.IsNotExist(err) { @@ -725,10 +768,11 @@ func (e *slowQueryRetriever) getAllFiles(sctx sessionctx.Context, logFilePath st } return nil } - err := filepath.Walk(logDir, func(path string, info os.FileInfo, err error) error { - if err != nil { - return handleErr(err) - } + files, err := ioutil.ReadDir(logDir) + if err != nil { + return nil, err + } + walkFn := func(path string, info os.FileInfo) error { if info.IsDir() { return nil } @@ -736,6 +780,7 @@ func (e *slowQueryRetriever) getAllFiles(sctx sessionctx.Context, logFilePath st if !strings.HasPrefix(path, prefix) { return nil } + totalFileNum++ file, err := os.OpenFile(path, os.O_RDONLY, os.ModePerm) if err != nil { return handleErr(err) @@ -776,7 +821,13 @@ func (e *slowQueryRetriever) getAllFiles(sctx sessionctx.Context, logFilePath st }) skip = true return nil - }) + } + for _, file := range files { + err := walkFn(filepath.Join(logDir, file.Name()), file) + if err != nil { + return nil, err + } + } // Sort by start time sort.Slice(logFiles, func(i, j int) bool { return logFiles[i].start.Before(logFiles[j].start) @@ -808,55 +859,133 @@ func (e *slowQueryRetriever) getFileStartTime(file *os.File) (time.Time, error) } return t, errors.Errorf("malform slow query file %v", file.Name()) } + +func (e *slowQueryRetriever) getRuntimeStats() execdetails.RuntimeStats { + return e.stats +} + +type slowQueryRuntimeStats struct { + totalFileNum int + readFileNum int + readFile time.Duration + initialize time.Duration + readFileSize int64 + parseLog int64 + concurrent int +} + +// String implements the RuntimeStats interface. +func (s *slowQueryRuntimeStats) String() string { + return fmt.Sprintf("initialize: %s, read_file: %s, parse_log: {time:%s, concurrency:%v}, total_file: %v, read_file: %v, read_size: %s", + s.initialize, s.readFile, time.Duration(s.parseLog), s.concurrent, + s.totalFileNum, s.readFileNum, memory.BytesToString(s.readFileSize)) +} + +// Merge implements the RuntimeStats interface. +func (s *slowQueryRuntimeStats) Merge(rs execdetails.RuntimeStats) { + tmp, ok := rs.(*slowQueryRuntimeStats) + if !ok { + return + } + s.totalFileNum += tmp.totalFileNum + s.readFileNum += tmp.readFileNum + s.readFile += tmp.readFile + s.initialize += tmp.initialize + s.readFileSize += tmp.readFileSize + s.parseLog += tmp.parseLog +} + +// Clone implements the RuntimeStats interface. +func (s *slowQueryRuntimeStats) Clone() execdetails.RuntimeStats { + newRs := *s + return &newRs +} + +// Tp implements the RuntimeStats interface. +func (s *slowQueryRuntimeStats) Tp() int { + return execdetails.TpSlowQueryRuntimeStat +} + func (e *slowQueryRetriever) getFileEndTime(file *os.File) (time.Time, error) { var t time.Time + var tried int stat, err := file.Stat() if err != nil { return t, err } - fileSize := stat.Size() - cursor := int64(0) - line := make([]byte, 0, 64) + endCursor := stat.Size() maxLineNum := 128 - tryGetTime := func(line []byte) string { - for i, j := 0, len(line)-1; i < j; i, j = i+1, j-1 { - line[i], line[j] = line[j], line[i] + for { + lines, readBytes, err := readLastLines(file, endCursor) + if err != nil { + return t, err + } + // read out the file + if readBytes == 0 { + break + } + endCursor -= int64(readBytes) + for i := len(lines) - 1; i >= 0; i-- { + if strings.HasPrefix(lines[i], variable.SlowLogStartPrefixStr) { + return ParseTime(lines[i][len(variable.SlowLogStartPrefixStr):]) + } } - lineStr := string(line) - lineStr = strings.TrimSpace(lineStr) - if strings.HasPrefix(lineStr, variable.SlowLogStartPrefixStr) { - return lineStr[len(variable.SlowLogStartPrefixStr):] + tried += len(lines) + if tried >= maxLineNum { + break } - return "" } + return t, errors.Errorf("invalid slow query file %v", file.Name()) +} + +// Read lines from the end of a file +// endCursor initial value should be the filesize +func readLastLines(file *os.File, endCursor int64) ([]string, int, error) { + var lines []byte + var firstNonNewlinePos int + var cursor = endCursor for { - cursor -= 1 - _, err := file.Seek(cursor, io.SeekEnd) - if err != nil { - return t, err + // stop if we are at the beginning + // check it in the start to avoid read beyond the size + if cursor <= 0 { + break + } + + var size int64 = 4096 + if cursor < size { + size = cursor } + cursor -= size - char := make([]byte, 1) - _, err = file.Read(char) + _, err := file.Seek(cursor, io.SeekStart) if err != nil { - return t, err + return nil, 0, err } - // If find a line. - if cursor != -1 && (char[0] == '\n' || char[0] == '\r') { - if timeStr := tryGetTime(line); len(timeStr) > 0 { - return ParseTime(timeStr) - } - line = line[:0] - maxLineNum -= 1 + chars := make([]byte, size) + _, err = file.Read(chars) + if err != nil { + return nil, 0, err } - line = append(line, char[0]) - if cursor == -fileSize || maxLineNum <= 0 { - if timeStr := tryGetTime(line); len(timeStr) > 0 { - return ParseTime(timeStr) + lines = append(chars, lines...) + + // find first '\n' or '\r' + for i := 0; i < len(chars); i++ { + // reach the line end + // the first newline may be in the line end at the first round + if i >= len(lines)-1 { + break } - return t, errors.Errorf("malform slow query file %v", file.Name()) + if (chars[i] == 10 || chars[i] == 13) && chars[i+1] != 10 && chars[i+1] != 13 { + firstNonNewlinePos = i + 1 + break + } + } + if firstNonNewlinePos > 0 { + break } } + finalStr := string(lines[firstNonNewlinePos:]) + return strings.Split(strings.ReplaceAll(finalStr, "\r\n", "\n"), "\n"), len(finalStr), nil } func (e *slowQueryRetriever) initializeAsyncParsing(ctx context.Context, sctx sessionctx.Context) { diff --git a/util/execdetails/execdetails.go b/util/execdetails/execdetails.go index 5b7c28e2d8909..7ebe67f3890ea 100644 --- a/util/execdetails/execdetails.go +++ b/util/execdetails/execdetails.go @@ -432,6 +432,8 @@ const ( TpSelectResultRuntimeStats // TpInsertRuntimeStat is the tp for InsertRuntimeStat TpInsertRuntimeStat + // TpSlowQueryRuntimeStat is the tp for TpSlowQueryRuntimeStat + TpSlowQueryRuntimeStat ) // RuntimeStats is used to express the executor runtime information. diff --git a/util/memory/tracker.go b/util/memory/tracker.go index a0edbdf912c80..d5ad74031ae5a 100644 --- a/util/memory/tracker.go +++ b/util/memory/tracker.go @@ -302,6 +302,11 @@ func (t *Tracker) toString(indent string, buffer *bytes.Buffer) { // BytesToString converts the memory consumption to a readable string. func (t *Tracker) BytesToString(numBytes int64) string { + return BytesToString(numBytes) +} + +// BytesToString converts the memory consumption to a readable string. +func BytesToString(numBytes int64) string { GB := float64(numBytes) / float64(1<<30) if GB > 1 { return fmt.Sprintf("%v GB", GB) From 35cba465e239a8ca1bb45383db675ffd054659d7 Mon Sep 17 00:00:00 2001 From: Yuanjia Zhang Date: Tue, 13 Oct 2020 15:58:44 +0800 Subject: [PATCH 0014/1021] statistics: fix an unsafe lock operation and adjust some logging levels (#20381) --- statistics/handle/handle.go | 23 ++++++++++++++++------- statistics/handle/handle_test.go | 7 +++++++ 2 files changed, 23 insertions(+), 7 deletions(-) diff --git a/statistics/handle/handle.go b/statistics/handle/handle.go index 2eaa839037e17..e5f75305def3e 100644 --- a/statistics/handle/handle.go +++ b/statistics/handle/handle.go @@ -195,7 +195,7 @@ func (h *Handle) Update(is infoschema.InfoSchema) error { tbl, err := h.tableStatsFromStorage(tableInfo, physicalID, false, nil) // Error is not nil may mean that there are some ddl changes on this table, we will not update it. if err != nil { - logutil.BgLogger().Debug("error occurred when read table stats", zap.String("table", tableInfo.Name.O), zap.Error(err)) + logutil.BgLogger().Error("[stats] error occurred when read table stats", zap.String("table", tableInfo.Name.O), zap.Error(err)) continue } if tbl == nil { @@ -393,14 +393,14 @@ func (h *Handle) FlushStats() { for len(h.ddlEventCh) > 0 { e := <-h.ddlEventCh if err := h.HandleDDLEvent(e); err != nil { - logutil.BgLogger().Debug("[stats] handle ddl event fail", zap.Error(err)) + logutil.BgLogger().Error("[stats] handle ddl event fail", zap.Error(err)) } } if err := h.DumpStatsDeltaToKV(DumpAll); err != nil { - logutil.BgLogger().Debug("[stats] dump stats delta fail", zap.Error(err)) + logutil.BgLogger().Error("[stats] dump stats delta fail", zap.Error(err)) } if err := h.DumpStatsFeedbackToKV(); err != nil { - logutil.BgLogger().Debug("[stats] dump stats feedback fail", zap.Error(err)) + logutil.BgLogger().Error("[stats] dump stats feedback fail", zap.Error(err)) } } @@ -625,7 +625,7 @@ func (h *Handle) extendedStatsFromStorage(reader *statsReader, table *statistics colIDs := row.GetString(4) err := json.Unmarshal([]byte(colIDs), &item.ColIDs) if err != nil { - logutil.BgLogger().Debug("decode column IDs failed", zap.String("column_ids", colIDs), zap.Error(err)) + logutil.BgLogger().Error("[stats] decode column IDs failed", zap.String("column_ids", colIDs), zap.Error(err)) return nil, err } table.ExtendedStats.Stats[key] = item @@ -833,7 +833,7 @@ func (sr *statsReader) isHistory() bool { return sr.history != nil } -func (h *Handle) getStatsReader(history sqlexec.RestrictedSQLExecutor) (*statsReader, error) { +func (h *Handle) getStatsReader(history sqlexec.RestrictedSQLExecutor) (reader *statsReader, err error) { failpoint.Inject("mockGetStatsReaderFail", func(val failpoint.Value) { if val.(bool) { failpoint.Return(nil, errors.New("gofail genStatsReader error")) @@ -843,7 +843,16 @@ func (h *Handle) getStatsReader(history sqlexec.RestrictedSQLExecutor) (*statsRe return &statsReader{history: history}, nil } h.mu.Lock() - _, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), "begin") + defer func() { + if r := recover(); r != nil { + err = fmt.Errorf("getStatsReader panic %v", r) + } + if err != nil { + h.mu.Unlock() + } + }() + failpoint.Inject("mockGetStatsReaderPanic", nil) + _, err = h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), "begin") if err != nil { return nil, err } diff --git a/statistics/handle/handle_test.go b/statistics/handle/handle_test.go index 3cc530b47cc70..26e0a29e6b48c 100644 --- a/statistics/handle/handle_test.go +++ b/statistics/handle/handle_test.go @@ -550,6 +550,13 @@ func (s *testStatsSuite) TestLoadStats(c *C) { err = h.LoadNeededHistograms() c.Assert(err, NotNil) c.Assert(failpoint.Disable("github.com/pingcap/tidb/statistics/handle/mockGetStatsReaderFail"), IsNil) + + c.Assert(failpoint.Enable("github.com/pingcap/tidb/statistics/handle/mockGetStatsReaderPanic", "panic"), IsNil) + err = h.LoadNeededHistograms() + c.Assert(err, ErrorMatches, ".*getStatsReader panic.*") + c.Assert(failpoint.Disable("github.com/pingcap/tidb/statistics/handle/mockGetStatsReaderPanic"), IsNil) + err = h.LoadNeededHistograms() + c.Assert(err, IsNil) } func newStoreWithBootstrap() (kv.Storage, *domain.Domain, error) { From 0dd98ea470a6cce354940f474ec4ab3ffe8a3c46 Mon Sep 17 00:00:00 2001 From: "Zhuomin(Charming) Liu" Date: Tue, 13 Oct 2020 17:13:24 +0800 Subject: [PATCH 0015/1021] executor: fix wrong outer join result when filter outer side using index merge join (#20407) --- executor/index_lookup_merge_join.go | 22 ++++++++++++---------- executor/index_lookup_merge_join_test.go | 12 ++++++++++++ 2 files changed, 24 insertions(+), 10 deletions(-) diff --git a/executor/index_lookup_merge_join.go b/executor/index_lookup_merge_join.go index 73396875e6659..64c6aa36ed91b 100644 --- a/executor/index_lookup_merge_join.go +++ b/executor/index_lookup_merge_join.go @@ -95,6 +95,7 @@ type innerMergeCtx struct { type lookUpMergeJoinTask struct { outerResult *chunk.List + outerMatch [][]bool outerOrderIdx []chunk.RowPtr innerResult *chunk.Chunk @@ -432,25 +433,23 @@ func (imw *innerMergeWorker) run(ctx context.Context, wg *sync.WaitGroup, cancel func (imw *innerMergeWorker) handleTask(ctx context.Context, task *lookUpMergeJoinTask) (err error) { numOuterChks := task.outerResult.NumChunks() - var outerMatch [][]bool if imw.outerMergeCtx.filter != nil { - outerMatch = make([][]bool, numOuterChks) + task.outerMatch = make([][]bool, numOuterChks) for i := 0; i < numOuterChks; i++ { chk := task.outerResult.GetChunk(i) - outerMatch[i] = make([]bool, chk.NumRows()) - outerMatch[i], err = expression.VectorizedFilter(imw.ctx, imw.outerMergeCtx.filter, chunk.NewIterator4Chunk(chk), outerMatch[i]) + task.outerMatch[i] = make([]bool, chk.NumRows()) + task.outerMatch[i], err = expression.VectorizedFilter(imw.ctx, imw.outerMergeCtx.filter, chunk.NewIterator4Chunk(chk), task.outerMatch[i]) if err != nil { return err } } } + task.memTracker.Consume(int64(cap(task.outerMatch))) task.outerOrderIdx = make([]chunk.RowPtr, 0, task.outerResult.Len()) for i := 0; i < numOuterChks; i++ { numRow := task.outerResult.GetChunk(i).NumRows() for j := 0; j < numRow; j++ { - if len(outerMatch) == 0 || outerMatch[i][j] { - task.outerOrderIdx = append(task.outerOrderIdx, chunk.RowPtr{ChkIdx: uint32(i), RowIdx: uint32(j)}) - } + task.outerOrderIdx = append(task.outerOrderIdx, chunk.RowPtr{ChkIdx: uint32(i), RowIdx: uint32(j)}) } } task.memTracker.Consume(int64(cap(task.outerOrderIdx))) @@ -653,8 +652,11 @@ func (imw *innerMergeWorker) constructDatumLookupKeys(task *lookUpMergeJoinTask) return dLookUpKeys, nil } -func (imw *innerMergeWorker) constructDatumLookupKey(task *lookUpMergeJoinTask, rowIdx chunk.RowPtr) (*indexJoinLookUpContent, error) { - outerRow := task.outerResult.GetRow(rowIdx) +func (imw *innerMergeWorker) constructDatumLookupKey(task *lookUpMergeJoinTask, idx chunk.RowPtr) (*indexJoinLookUpContent, error) { + if task.outerMatch != nil && !task.outerMatch[idx.ChkIdx][idx.RowIdx] { + return nil, nil + } + outerRow := task.outerResult.GetRow(idx) sc := imw.ctx.GetSessionVars().StmtCtx keyLen := len(imw.keyCols) dLookupKey := make([]types.Datum, 0, keyLen) @@ -688,7 +690,7 @@ func (imw *innerMergeWorker) constructDatumLookupKey(task *lookUpMergeJoinTask, } dLookupKey = append(dLookupKey, innerValue) } - return &indexJoinLookUpContent{keys: dLookupKey, row: task.outerResult.GetRow(rowIdx)}, nil + return &indexJoinLookUpContent{keys: dLookupKey, row: task.outerResult.GetRow(idx)}, nil } func (imw *innerMergeWorker) dedupDatumLookUpKeys(lookUpContents []*indexJoinLookUpContent) []*indexJoinLookUpContent { diff --git a/executor/index_lookup_merge_join_test.go b/executor/index_lookup_merge_join_test.go index f52b652d346a9..c0bb253cec963 100644 --- a/executor/index_lookup_merge_join_test.go +++ b/executor/index_lookup_merge_join_test.go @@ -134,3 +134,15 @@ func (s *testSuiteWithData) TestIndexJoinOnSinglePartitionTable(c *C) { c.Assert(strings.Index(rows[0], "IndexJoin"), Equals, 0) } } + +func (s *testSuite9) TestIssue20400(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("drop table if exists t, s") + tk.MustExec("create table s(a int, index(a))") + tk.MustExec("create table t(a int)") + tk.MustExec("insert into t values(1)") + tk.MustQuery("select /*+ hash_join(t,s)*/ * from t left join s on t.a=s.a and t.a>1").Check( + testkit.Rows("1 ")) + tk.MustQuery("select /*+ inl_merge_join(t,s)*/ * from t left join s on t.a=s.a and t.a>1").Check( + testkit.Rows("1 ")) +} From 8f7ae677ac82b8d0f2cb0a6fb634745484471470 Mon Sep 17 00:00:00 2001 From: Howie Date: Tue, 13 Oct 2020 19:08:23 +0800 Subject: [PATCH 0016/1021] errno: batch change functional index to expression index (#20393) Signed-off-by: lihaowei --- errno/errname.go | 34 +++++++++++++++++----------------- 1 file changed, 17 insertions(+), 17 deletions(-) diff --git a/errno/errname.go b/errno/errname.go index 0a3e0e858a2f3..9aa2b9a857ae6 100644 --- a/errno/errname.go +++ b/errno/errname.go @@ -868,25 +868,25 @@ var MySQLErrName = map[uint16]string{ ErrRoleNotGranted: "%s is is not granted to %s", ErrMaxExecTimeExceeded: "Query execution was interrupted, max_execution_time exceeded.", ErrLockAcquireFailAndNoWaitSet: "Statement aborted because lock(s) could not be acquired immediately and NOWAIT is set.", - ErrDataTruncatedFunctionalIndex: "Data truncated for functional index '%s' at row %d", - ErrDataOutOfRangeFunctionalIndex: "Value is out of range for functional index '%s' at row %d", - ErrFunctionalIndexOnJSONOrGeometryFunction: "Cannot create a functional index on a function that returns a JSON or GEOMETRY value", - ErrFunctionalIndexRefAutoIncrement: "Functional index '%s' cannot refer to an auto-increment column", - ErrCannotDropColumnFunctionalIndex: "Cannot drop column '%s' because it is used by a functional index. In order to drop the column, you must remove the functional index", - ErrFunctionalIndexPrimaryKey: "The primary key cannot be a functional index", - ErrFunctionalIndexOnLob: "Cannot create a functional index on an expression that returns a BLOB or TEXT. Please consider using CAST", - ErrFunctionalIndexFunctionIsNotAllowed: "Expression of functional index '%s' contains a disallowed function", - ErrFulltextFunctionalIndex: "Fulltext functional index is not supported", - ErrSpatialFunctionalIndex: "Spatial functional index is not supported", + ErrDataTruncatedFunctionalIndex: "Data truncated for expression index '%s' at row %d", + ErrDataOutOfRangeFunctionalIndex: "Value is out of range for expression index '%s' at row %d", + ErrFunctionalIndexOnJSONOrGeometryFunction: "Cannot create an expression index on a function that returns a JSON or GEOMETRY value", + ErrFunctionalIndexRefAutoIncrement: "Expression index '%s' cannot refer to an auto-increment column", + ErrCannotDropColumnFunctionalIndex: "Cannot drop column '%s' because it is used by an expression index. In order to drop the column, you must remove the expression index", + ErrFunctionalIndexPrimaryKey: "The primary key cannot be an expression index", + ErrFunctionalIndexOnLob: "Cannot create an expression index on an expression that returns a BLOB or TEXT. Please consider using CAST", + ErrFunctionalIndexFunctionIsNotAllowed: "Expression of expression index '%s' contains a disallowed function", + ErrFulltextFunctionalIndex: "Fulltext expression index is not supported", + ErrSpatialFunctionalIndex: "Spatial expression index is not supported", ErrWrongKeyColumnFunctionalIndex: "The used storage engine cannot index the expression '%s'", - ErrFunctionalIndexOnField: "Functional index on a column is not supported. Consider using a regular index instead", + ErrFunctionalIndexOnField: "Expression index on a column is not supported. Consider using a regular index instead", ErrFKIncompatibleColumns: "Referencing column '%s' in foreign key constraint '%s' are incompatible", - ErrFunctionalIndexRowValueIsNotAllowed: "Expression of functional index '%s' cannot refer to a row value", - ErrDependentByFunctionalIndex: "Column '%s' has a functional index dependency and cannot be dropped or renamed", - ErrInvalidJSONValueForFuncIndex: "Invalid JSON value for CAST for functional index '%s'", - ErrJSONValueOutOfRangeForFuncIndex: "Out of range JSON value for CAST for functional index '%s'", - ErrFunctionalIndexDataIsTooLong: "Data too long for functional index '%s'", - ErrFunctionalIndexNotApplicable: "Cannot use functional index '%s' due to type or collation conversion", + ErrFunctionalIndexRowValueIsNotAllowed: "Expression of expression index '%s' cannot refer to a row value", + ErrDependentByFunctionalIndex: "Column '%s' has an expression index dependency and cannot be dropped or renamed", + ErrInvalidJSONValueForFuncIndex: "Invalid JSON value for CAST for expression index '%s'", + ErrJSONValueOutOfRangeForFuncIndex: "Out of range JSON value for CAST for expression index '%s'", + ErrFunctionalIndexDataIsTooLong: "Data too long for expression index '%s'", + ErrFunctionalIndexNotApplicable: "Cannot use expression index '%s' due to type or collation conversion", ErrUnsupportedConstraintCheck: "%s is not supported", // MariaDB errors. ErrOnlyOneDefaultPartionAllowed: "Only one DEFAULT partition allowed", From bcdb63b2585cececd02d3c200287603fe384df69 Mon Sep 17 00:00:00 2001 From: crazycs Date: Tue, 13 Oct 2020 21:44:31 +0800 Subject: [PATCH 0017/1021] executor: fix MAX_EXECUTION_TIME doesn't take effect when query INSPECTION_RESULT table (#20375) Signed-off-by: crazycs520 --- executor/inspection_result.go | 14 +++++++------- server/conn.go | 12 ++++++++++++ server/server.go | 6 ++++++ 3 files changed, 25 insertions(+), 7 deletions(-) diff --git a/executor/inspection_result.go b/executor/inspection_result.go index b14284b3889c8..4d8bd69ca3edb 100644 --- a/executor/inspection_result.go +++ b/executor/inspection_result.go @@ -142,7 +142,7 @@ func (e *inspectionResultRetriever) retrieve(ctx context.Context, sctx sessionct e.instanceToStatusAddress = make(map[string]string) e.statusToInstanceAddress = make(map[string]string) sql := "select instance,status_address from information_schema.cluster_info;" - rows, _, err := sctx.(sqlexec.RestrictedSQLExecutor).ExecRestrictedSQL(sql) + rows, _, err := sctx.(sqlexec.RestrictedSQLExecutor).ExecRestrictedSQLWithContext(ctx, sql) if err != nil { sctx.GetSessionVars().StmtCtx.AppendWarning(fmt.Errorf("get cluster info failed: %v", err)) } @@ -213,7 +213,7 @@ func (c configInspection) inspect(ctx context.Context, sctx sessionctx.Context, return results } -func (configInspection) inspectDiffConfig(_ context.Context, sctx sessionctx.Context, filter inspectionFilter) []inspectionResult { +func (configInspection) inspectDiffConfig(ctx context.Context, sctx sessionctx.Context, filter inspectionFilter) []inspectionResult { // check the configuration consistent ignoreConfigKey := []string{ // TiDB @@ -249,14 +249,14 @@ func (configInspection) inspectDiffConfig(_ context.Context, sctx sessionctx.Con } sql := fmt.Sprintf("select type, `key`, count(distinct value) as c from information_schema.cluster_config where `key` not in ('%s') group by type, `key` having c > 1", strings.Join(ignoreConfigKey, "','")) - rows, _, err := sctx.(sqlexec.RestrictedSQLExecutor).ExecRestrictedSQL(sql) + rows, _, err := sctx.(sqlexec.RestrictedSQLExecutor).ExecRestrictedSQLWithContext(ctx, sql) if err != nil { sctx.GetSessionVars().StmtCtx.AppendWarning(fmt.Errorf("check configuration consistency failed: %v", err)) } generateDetail := func(tp, item string) string { query := fmt.Sprintf("select value, instance from information_schema.cluster_config where type='%s' and `key`='%s';", tp, item) - rows, _, err := sctx.(sqlexec.RestrictedSQLExecutor).ExecRestrictedSQL(query) + rows, _, err := sctx.(sqlexec.RestrictedSQLExecutor).ExecRestrictedSQLWithContext(ctx, query) if err != nil { sctx.GetSessionVars().StmtCtx.AppendWarning(fmt.Errorf("check configuration consistency failed: %v", err)) return fmt.Sprintf("the cluster has different config value of %[2]s, execute the sql to see more detail: select * from information_schema.cluster_config where type='%[1]s' and `key`='%[2]s'", @@ -324,7 +324,7 @@ func (c configInspection) inspectCheckConfig(ctx context.Context, sctx sessionct } sql := fmt.Sprintf("select instance from information_schema.cluster_config where type = '%s' and `key` = '%s' and value = '%s'", cas.tp, cas.key, cas.value) - rows, _, err := sctx.(sqlexec.RestrictedSQLExecutor).ExecRestrictedSQL(sql) + rows, _, err := sctx.(sqlexec.RestrictedSQLExecutor).ExecRestrictedSQLWithContext(ctx, sql) if err != nil { sctx.GetSessionVars().StmtCtx.AppendWarning(fmt.Errorf("check configuration in reason failed: %v", err)) } @@ -437,10 +437,10 @@ func (configInspection) convertReadableSizeToByteSize(sizeStr string) (uint64, e return uint64(size) * rate, nil } -func (versionInspection) inspect(_ context.Context, sctx sessionctx.Context, filter inspectionFilter) []inspectionResult { +func (versionInspection) inspect(ctx context.Context, sctx sessionctx.Context, filter inspectionFilter) []inspectionResult { // check the configuration consistent sql := "select type, count(distinct git_hash) as c from information_schema.cluster_info group by type having c > 1;" - rows, _, err := sctx.(sqlexec.RestrictedSQLExecutor).ExecRestrictedSQL(sql) + rows, _, err := sctx.(sqlexec.RestrictedSQLExecutor).ExecRestrictedSQLWithContext(ctx, sql) if err != nil { sctx.GetSessionVars().StmtCtx.AppendWarning(fmt.Errorf("check version consistency failed: %v", err)) } diff --git a/server/conn.go b/server/conn.go index fee8d684cf2be..e25a8164ad0a8 100644 --- a/server/conn.go +++ b/server/conn.go @@ -173,6 +173,12 @@ type clientConn struct { status int32 // dispatching/reading/shutdown/waitshutdown lastCode uint16 // last error code collation uint8 // collation used by client, may be different from the collation used by database. + + // mu is used for cancelling the execution of current transaction. + mu struct { + sync.RWMutex + cancelFunc context.CancelFunc + } } func (cc *clientConn) String() string { @@ -912,6 +918,12 @@ func (cc *clientConn) dispatch(ctx context.Context, data []byte) error { span := opentracing.StartSpan("server.dispatch") ctx = opentracing.ContextWithSpan(ctx, span) + var cancelFunc context.CancelFunc + ctx, cancelFunc = context.WithCancel(ctx) + cc.mu.Lock() + cc.mu.cancelFunc = cancelFunc + cc.mu.Unlock() + t := time.Now() cc.lastPacket = data cmd := data[0] diff --git a/server/server.go b/server/server.go index f96766790dce4..88f5a75882811 100644 --- a/server/server.go +++ b/server/server.go @@ -540,6 +540,12 @@ func (s *Server) getTLSConfig() *tls.Config { func killConn(conn *clientConn) { sessVars := conn.ctx.GetSessionVars() atomic.StoreUint32(&sessVars.Killed, 1) + conn.mu.RLock() + cancelFunc := conn.mu.cancelFunc + conn.mu.RUnlock() + if cancelFunc != nil { + cancelFunc() + } } // KillAllConnections kills all connections when server is not gracefully shutdown. From 2f19c5ba15496964e18daebb99b11cb18a485148 Mon Sep 17 00:00:00 2001 From: cfzjywxk Date: Wed, 14 Oct 2020 11:02:25 +0800 Subject: [PATCH 0018/1021] tikvclient: add gzip compression type support for tidb grpc channel (#20438) --- config/config.go | 7 +++++++ config/config.toml.example | 3 +++ go.mod | 1 + go.sum | 3 +++ store/tikv/client.go | 8 +++++++- 5 files changed, 21 insertions(+), 1 deletion(-) diff --git a/config/config.go b/config/config.go index 4d9de147649cf..40049b57d0465 100644 --- a/config/config.go +++ b/config/config.go @@ -38,6 +38,7 @@ import ( tracing "github.com/uber/jaeger-client-go/config" "go.uber.org/zap" + "google.golang.org/grpc/encoding/gzip" ) // Config number limitations @@ -493,6 +494,8 @@ type TiKVClient struct { // After having pinged for keepalive check, the client waits for a duration of Timeout in seconds // and if no activity is seen even after that the connection is closed. GrpcKeepAliveTimeout uint `toml:"grpc-keepalive-timeout" json:"grpc-keepalive-timeout"` + // GrpcCompressionType is the compression type for gRPC channel: none or gzip. + GrpcCompressionType string `toml:"grpc-compression-type" json:"grpc-compression-type"` // CommitTimeout is the max time which command 'commit' will wait. CommitTimeout string `toml:"commit-timeout" json:"commit-timeout"` AsyncCommit AsyncCommit `toml:"async-commit" json:"async-commit"` @@ -693,6 +696,7 @@ var defaultConf = Config{ GrpcConnectionCount: 4, GrpcKeepAliveTime: 10, GrpcKeepAliveTimeout: 3, + GrpcCompressionType: "none", CommitTimeout: "41s", AsyncCommit: AsyncCommit{ Enable: false, @@ -918,6 +922,9 @@ func (c *Config) Valid() error { if c.TiKVClient.GrpcConnectionCount == 0 { return fmt.Errorf("grpc-connection-count should be greater than 0") } + if c.TiKVClient.GrpcCompressionType != "none" && c.TiKVClient.GrpcCompressionType != gzip.Name { + return fmt.Errorf("grpc-compression-type should be none or %s, but got %s", gzip.Name, c.TiKVClient.GrpcCompressionType) + } if c.Performance.TxnTotalSizeLimit > 10<<30 { return fmt.Errorf("txn-total-size-limit should be less than %d", 10<<30) diff --git a/config/config.toml.example b/config/config.toml.example index 3fdb3863d76bf..fb119a41b75e7 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -353,6 +353,9 @@ grpc-keepalive-time = 10 # and if no activity is seen even after that the connection is closed. grpc-keepalive-timeout = 3 +# The compression type for gRPC channel: none or gzip. +grpc-compression-type = "none" + # Max time for commit command, must be twice bigger than raft election timeout. commit-timeout = "41s" diff --git a/go.mod b/go.mod index aacfd3957317b..0e9a5d9862796 100644 --- a/go.mod +++ b/go.mod @@ -63,6 +63,7 @@ require ( golang.org/x/tools v0.0.0-20200820010801-b793a1359eac google.golang.org/grpc v1.26.0 gopkg.in/natefinch/lumberjack.v2 v2.0.0 + honnef.co/go/tools v0.0.1-2020.1.6 // indirect sourcegraph.com/sourcegraph/appdash v0.0.0-20180531100431-4c381bd170b4 sourcegraph.com/sourcegraph/appdash-data v0.0.0-20151005221446-73f23eafcf67 ) diff --git a/go.sum b/go.sum index d6158e42bd797..2d099823f7f0a 100644 --- a/go.sum +++ b/go.sum @@ -889,6 +889,7 @@ golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapK golang.org/x/tools v0.0.0-20200225230052-807dcd883420/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20200325010219-a49f79bcc224/go.mod h1:Sl4aGygMT6LrqrWclx+PTx3U+LnKx/seiNR+3G19Ar8= golang.org/x/tools v0.0.0-20200325203130-f53864d0dba1/go.mod h1:Sl4aGygMT6LrqrWclx+PTx3U+LnKx/seiNR+3G19Ar8= +golang.org/x/tools v0.0.0-20200410194907-79a7a3126eef/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/tools v0.0.0-20200521211927-2b542361a4fc/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/tools v0.0.0-20200527183253-8e7acdbce89d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/tools v0.0.0-20200820010801-b793a1359eac h1:DugppSxw0LSF8lcjaODPJZoDzq0ElTGskTst3ZaBkHI= @@ -980,6 +981,8 @@ honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k= honnef.co/go/tools v0.0.1-2020.1.5 h1:nI5egYTGJakVyOryqLs1cQO5dO0ksin5XXs2pspk75k= honnef.co/go/tools v0.0.1-2020.1.5/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k= +honnef.co/go/tools v0.0.1-2020.1.6 h1:W18jzjh8mfPez+AwGLxmOImucz/IFjpNlrKVnaj2YVc= +honnef.co/go/tools v0.0.1-2020.1.6/go.mod h1:pyyisuGw24ruLjrr1ddx39WE0y9OooInRzEYLhQB2YY= k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I= rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs= diff --git a/store/tikv/client.go b/store/tikv/client.go index cc69766f18a83..977f98e9c36ee 100644 --- a/store/tikv/client.go +++ b/store/tikv/client.go @@ -42,6 +42,7 @@ import ( "google.golang.org/grpc/backoff" "google.golang.org/grpc/connectivity" "google.golang.org/grpc/credentials" + "google.golang.org/grpc/encoding/gzip" "google.golang.org/grpc/keepalive" ) @@ -134,6 +135,11 @@ func (a *connArray) Init(addr string, security config.Security, idleNotify *uint keepAliveTimeout := cfg.TiKVClient.GrpcKeepAliveTimeout for i := range a.v { ctx, cancel := context.WithTimeout(context.Background(), a.dialTimeout) + var callOptions []grpc.CallOption + callOptions = append(callOptions, grpc.MaxCallRecvMsgSize(MaxRecvMsgSize)) + if cfg.TiKVClient.GrpcCompressionType == gzip.Name { + callOptions = append(callOptions, grpc.UseCompressor(gzip.Name)) + } conn, err := grpc.DialContext( ctx, addr, @@ -142,7 +148,7 @@ func (a *connArray) Init(addr string, security config.Security, idleNotify *uint grpc.WithInitialConnWindowSize(grpcInitialConnWindowSize), grpc.WithUnaryInterceptor(unaryInterceptor), grpc.WithStreamInterceptor(streamInterceptor), - grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(MaxRecvMsgSize)), + grpc.WithDefaultCallOptions(callOptions...), grpc.WithConnectParams(grpc.ConnectParams{ Backoff: backoff.Config{ BaseDelay: 100 * time.Millisecond, // Default was 1s. From a17d3a978a2483e6a40981fc72d787893f8d0372 Mon Sep 17 00:00:00 2001 From: Jack Yu Date: Wed, 14 Oct 2020 11:12:24 +0800 Subject: [PATCH 0019/1021] tikv: add region ID and type for tracing (#20433) Signed-off-by: Shuaipeng Yu --- store/tikv/client.go | 3 ++- store/tikv/region_request.go | 2 +- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/store/tikv/client.go b/store/tikv/client.go index 977f98e9c36ee..44756f83840b2 100644 --- a/store/tikv/client.go +++ b/store/tikv/client.go @@ -16,6 +16,7 @@ package tikv import ( "context" + "fmt" "io" "math" "runtime/trace" @@ -325,7 +326,7 @@ func (c *rpcClient) updateTiKVSendReqHistogram(req *tikvrpc.Request, start time. // SendRequest sends a Request to server and receives Response. func (c *rpcClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.Request, timeout time.Duration) (*tikvrpc.Response, error) { if span := opentracing.SpanFromContext(ctx); span != nil && span.Tracer() != nil { - span1 := span.Tracer().StartSpan("rpcClient.SendRequest", opentracing.ChildOf(span.Context())) + span1 := span.Tracer().StartSpan(fmt.Sprintf("rpcClient.SendRequest, region ID: %d, type: %s", req.RegionId, req.Type), opentracing.ChildOf(span.Context())) defer span1.Finish() ctx = opentracing.ContextWithSpan(ctx, span1) } diff --git a/store/tikv/region_request.go b/store/tikv/region_request.go index 447f6b1fad986..a4f10998b49c5 100644 --- a/store/tikv/region_request.go +++ b/store/tikv/region_request.go @@ -217,7 +217,7 @@ func (s *RegionRequestSender) SendReqCtx( err error, ) { if span := opentracing.SpanFromContext(bo.ctx); span != nil && span.Tracer() != nil { - span1 := span.Tracer().StartSpan("regionReqauest.SendReqCtx", opentracing.ChildOf(span.Context())) + span1 := span.Tracer().StartSpan("regionRequest.SendReqCtx", opentracing.ChildOf(span.Context())) defer span1.Finish() bo = bo.Clone() bo.ctx = opentracing.ContextWithSpan(bo.ctx, span1) From 98f5ca4a8d93f276f81708d63d6596920969f5e3 Mon Sep 17 00:00:00 2001 From: Christina Fritz <67818510+tina77fritz@users.noreply.github.com> Date: Wed, 14 Oct 2020 13:46:24 +0800 Subject: [PATCH 0020/1021] txn: support Oracle-like serializable isolation (#20265) Signed-off-by: Tina Fritz --- executor/adapter.go | 15 +++- server/conn.go | 2 +- session/pessimistic_test.go | 139 +++++++++++++++++++++++++++++++++ session/session.go | 2 +- sessionctx/variable/session.go | 10 +-- 5 files changed, 160 insertions(+), 8 deletions(-) diff --git a/executor/adapter.go b/executor/adapter.go index 68c97e6446033..2c8ff3c1a6a4d 100644 --- a/executor/adapter.go +++ b/executor/adapter.go @@ -592,6 +592,15 @@ func UpdateForUpdateTS(seCtx sessionctx.Context, newForUpdateTS uint64) error { if !txn.Valid() { return errors.Trace(kv.ErrInvalidTxn) } + + // The Oracle serializable isolation is actually SI in pessimistic mode. + // Do not update ForUpdateTS when the user is using the Serializable isolation level. + // It can be used temporarily on the few occasions when an Oracle-like isolation level is needed. + // Support for this does not mean that TiDB supports serializable isolation of MySQL. + // tidb_skip_isolation_level_check should still be disabled by default. + if seCtx.GetSessionVars().IsIsolation(ast.Serializable) { + return nil + } if newForUpdateTS == 0 { version, err := seCtx.GetStore().CurrentVersion() if err != nil { @@ -606,7 +615,11 @@ func UpdateForUpdateTS(seCtx sessionctx.Context, newForUpdateTS uint64) error { // handlePessimisticLockError updates TS and rebuild executor if the err is write conflict. func (a *ExecStmt) handlePessimisticLockError(ctx context.Context, err error) (Executor, error) { - txnCtx := a.Ctx.GetSessionVars().TxnCtx + sessVars := a.Ctx.GetSessionVars() + if err != nil && sessVars.IsIsolation(ast.Serializable) { + return nil, err + } + txnCtx := sessVars.TxnCtx var newForUpdateTS uint64 if deadlock, ok := errors.Cause(err).(*tikv.ErrDeadlock); ok { if !deadlock.IsRetryable { diff --git a/server/conn.go b/server/conn.go index e25a8164ad0a8..0f2d50e7b5f3e 100644 --- a/server/conn.go +++ b/server/conn.go @@ -1451,7 +1451,7 @@ func (cc *clientConn) prefetchPointPlanKeys(ctx context.Context, stmts []ast.Stm } vars := cc.ctx.GetSessionVars() if vars.TxnCtx.IsPessimistic { - if vars.IsReadConsistencyTxn() { + if vars.IsIsolation(ast.ReadCommitted) { // TODO: to support READ-COMMITTED, we need to avoid getting new TS for each statement in the query. return nil, nil } diff --git a/session/pessimistic_test.go b/session/pessimistic_test.go index 1c503665d0b3c..f5cb3046e1dbe 100644 --- a/session/pessimistic_test.go +++ b/session/pessimistic_test.go @@ -815,6 +815,145 @@ func (s *testPessimisticSuite) TestBatchPointGetWriteConflict(c *C) { tk1.MustExec("commit") } +func (s *testPessimisticSuite) TestPessimisticSerializable(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk1 := testkit.NewTestKitWithInit(c, s.store) + tk1.MustExec("use test") + + tk.MustExec("set tidb_txn_mode = 'pessimistic'") + tk1.MustExec("set tidb_txn_mode = 'pessimistic'") + + tk.MustExec("drop table if exists test;") + tk.MustExec("create table test (id int not null primary key, value int);") + tk.MustExec("insert into test (id, value) values (1, 10);") + tk.MustExec("insert into test (id, value) values (2, 20);") + + tk.MustExec("set tidb_skip_isolation_level_check = 1") + tk1.MustExec("set tidb_skip_isolation_level_check = 1") + tk.MustExec("set tx_isolation = 'SERIALIZABLE'") + tk1.MustExec("set tx_isolation = 'SERIALIZABLE'") + + // Predicate-Many-Preceders (PMP) + tk.MustExec("begin") + tk1.MustExec("begin") + tk.MustQuery("select * from test where value = 30;").Check(testkit.Rows()) + tk1.MustExec("insert into test (id, value) values(3, 30);") + tk1.MustExec("commit") + tk.MustQuery("select * from test where mod(value, 3) = 0;").Check(testkit.Rows()) + tk.MustExec("commit") + + tk.MustExec("truncate table test;") + tk.MustExec("insert into test (id, value) values (1, 10);") + tk.MustExec("insert into test (id, value) values (2, 20);") + + tk.MustExec("begin;") + tk1.MustExec("begin;") + tk.MustExec("update test set value = value + 10;") + + var wg sync.WaitGroup + wg.Add(1) + go func() { + tk1.ExecToErr("delete from test where value = 20;") + wg.Done() + }() + tk.MustExec("commit;") + wg.Wait() + tk1.MustExec("rollback;") + + // Lost Update (P4) + tk.MustExec("truncate table test;") + tk.MustExec("insert into test (id, value) values (1, 10);") + tk.MustExec("insert into test (id, value) values (2, 20);") + + tk.MustExec("begin;") + tk1.MustExec("begin;") + tk.MustQuery("select * from test where id = 1;").Check(testkit.Rows("1 10")) + tk1.MustQuery("select * from test where id = 1;").Check(testkit.Rows("1 10")) + tk.MustExec("update test set value = 11 where id = 1;") + + wg.Add(1) + go func() { + tk1.ExecToErr("update test set value = 11 where id = 1;") + wg.Done() + }() + tk.MustExec("commit;") + wg.Wait() + tk1.MustExec("rollback;") + + // Read Skew (G-single) + tk.MustExec("truncate table test;") + tk.MustExec("insert into test (id, value) values (1, 10);") + tk.MustExec("insert into test (id, value) values (2, 20);") + + tk.MustExec("begin;") + tk1.MustExec("begin;") + tk.MustQuery("select * from test where id = 1;").Check(testkit.Rows("1 10")) + tk1.MustQuery("select * from test where id = 1;").Check(testkit.Rows("1 10")) + tk1.MustQuery("select * from test where id = 2;").Check(testkit.Rows("2 20")) + tk1.MustExec("update test set value = 12 where id = 1;") + tk1.MustExec("update test set value = 18 where id = 1;") + tk1.MustExec("commit;") + tk.MustQuery("select * from test where id = 2;").Check(testkit.Rows("2 20")) + tk.MustExec("commit;") + + tk.MustExec("truncate table test;") + tk.MustExec("insert into test (id, value) values (1, 10);") + tk.MustExec("insert into test (id, value) values (2, 20);") + + tk.MustExec("begin;") + tk1.MustExec("begin;") + tk.MustQuery("select * from test where mod(value, 5) = 0;").Check(testkit.Rows("1 10", "2 20")) + tk1.MustExec("update test set value = 12 where value = 10;") + tk1.MustExec("commit;") + tk.MustQuery("select * from test where mod(value, 3) = 0;").Check(testkit.Rows()) + tk.MustExec("commit;") + + tk.MustExec("truncate table test;") + tk.MustExec("insert into test (id, value) values (1, 10);") + tk.MustExec("insert into test (id, value) values (2, 20);") + + tk.MustExec("begin;") + tk1.MustExec("begin;") + tk.MustQuery("select * from test where id = 1;").Check(testkit.Rows("1 10")) + tk1.MustQuery("select * from test;").Check(testkit.Rows("1 10", "2 20")) + tk1.MustExec("update test set value = 12 where id = 1;") + tk1.MustExec("update test set value = 18 where id = 1;") + tk1.MustExec("commit;") + tk.ExecToErr("delete from test where value = 20;") + tk.MustExec("rollback;") + + // Write Skew (G2-item) + tk.MustExec("truncate table test;") + tk.MustExec("insert into test (id, value) values (1, 10);") + tk.MustExec("insert into test (id, value) values (2, 20);") + + tk.MustExec("begin;") + tk1.MustExec("begin;") + tk.MustQuery("select * from test where id in (1,2);").Check(testkit.Rows("1 10", "2 20")) + tk1.MustQuery("select * from test where id in (1,2);").Check(testkit.Rows("1 10", "2 20")) + tk1.MustExec("update test set value = 11 where id = 1;") + tk1.MustExec("update test set value = 21 where id = 2;") + tk.MustExec("commit;") + tk1.MustExec("commit;") + tk.MustQuery("select * from test;").Check(testkit.Rows("1 11", "2 21")) + + // Anti-Dependency Cycles (G2) + tk.MustExec("truncate table test;") + tk.MustExec("insert into test (id, value) values (1, 10);") + tk.MustExec("insert into test (id, value) values (2, 20);") + + tk.MustExec("begin;") + tk1.MustExec("begin;") + tk.MustQuery("select * from test where mod(value, 3) = 0;").Check(testkit.Rows()) + tk1.MustQuery("select * from test where mod(value, 5) = 0;").Check(testkit.Rows("1 10", "2 20")) + tk.MustExec("insert into test (id, value) values(3, 30);") + tk1.MustExec("insert into test (id, value) values(4, 60);") + tk.MustExec("commit;") + tk1.MustExec("commit;") + tk.MustQuery("select * from test where mod(value, 3) = 0;").Check(testkit.Rows("3 30", "4 60")) +} + func (s *testPessimisticSuite) TestPessimisticReadCommitted(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test") diff --git a/session/session.go b/session/session.go index 480190ae22a0d..18d40c5914cf4 100644 --- a/session/session.go +++ b/session/session.go @@ -2302,7 +2302,7 @@ func logQuery(query string, vars *variable.SessionVars) { zap.Int64("schemaVersion", vars.TxnCtx.SchemaVersion), zap.Uint64("txnStartTS", vars.TxnCtx.StartTS), zap.Uint64("forUpdateTS", vars.TxnCtx.GetForUpdateTS()), - zap.Bool("isReadConsistency", vars.IsReadConsistencyTxn()), + zap.Bool("isReadConsistency", vars.IsIsolation(ast.ReadCommitted)), zap.String("current_db", vars.CurrentDB), zap.String("txn_mode", vars.GetReadableTxnMode()), zap.String("sql", query)) diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 3bb947b2a9bfa..2ee2920d15696 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -1035,10 +1035,10 @@ func (s *SessionVars) IsAutocommit() bool { return s.GetStatusFlag(mysql.ServerStatusAutocommit) } -// IsReadConsistencyTxn if true it means the transaction is an read consistency (read committed) transaction. -func (s *SessionVars) IsReadConsistencyTxn() bool { +// IsIsolation if true it means the transaction is at that isolation level. +func (s *SessionVars) IsIsolation(isolation string) bool { if s.TxnCtx.Isolation != "" { - return s.TxnCtx.Isolation == ast.ReadCommitted + return s.TxnCtx.Isolation == isolation } if s.txnIsolationLevelOneShot.state == oneShotUse { s.TxnCtx.Isolation = s.txnIsolationLevelOneShot.value @@ -1046,7 +1046,7 @@ func (s *SessionVars) IsReadConsistencyTxn() bool { if s.TxnCtx.Isolation == "" { s.TxnCtx.Isolation, _ = s.GetSystemVar(TxnIsolation) } - return s.TxnCtx.Isolation == ast.ReadCommitted + return s.TxnCtx.Isolation == isolation } // SetTxnIsolationLevelOneShotStateForNextTxn sets the txnIsolationLevelOneShot.state for next transaction. @@ -1064,7 +1064,7 @@ func (s *SessionVars) SetTxnIsolationLevelOneShotStateForNextTxn() { // IsPessimisticReadConsistency if true it means the statement is in an read consistency pessimistic transaction. func (s *SessionVars) IsPessimisticReadConsistency() bool { - return s.TxnCtx.IsPessimistic && s.IsReadConsistencyTxn() + return s.TxnCtx.IsPessimistic && s.IsIsolation(ast.ReadCommitted) } // GetNextPreparedStmtID generates and returns the next session scope prepared statement id. From ad94571c1e36020eb33885fd84f7e647fa6c1685 Mon Sep 17 00:00:00 2001 From: Iosmanthus Teng Date: Wed, 14 Oct 2020 14:10:25 +0800 Subject: [PATCH 0021/1021] *: make failpoint-disable before make clean (#20428) Signed-off-by: iosmanthus --- Makefile | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/Makefile b/Makefile index bc6c3fbafd056..dced1380341e4 100644 --- a/Makefile +++ b/Makefile @@ -147,10 +147,8 @@ testSuite: @echo "testSuite" ./tools/check/check_testSuite.sh -clean: +clean: failpoint-disable $(GO) clean -i ./... - rm -rf *.out - rm -rf parser # Split tests for CI to run `make test` in parallel. test: test_part_1 test_part_2 From 877fa6320b2bb1013dfb98e929e56cc862006c92 Mon Sep 17 00:00:00 2001 From: Ion Date: Wed, 14 Oct 2020 14:36:37 +0800 Subject: [PATCH 0022/1021] executor: support memory trace for group_concat (#20153) --- executor/aggfuncs/aggfunc_test.go | 58 +++---- executor/aggfuncs/func_group_concat.go | 94 ++++++++--- executor/aggfuncs/func_group_concat_test.go | 152 ++++++++++++++++++ executor/aggfuncs/func_json_objectagg_test.go | 17 +- 4 files changed, 248 insertions(+), 73 deletions(-) diff --git a/executor/aggfuncs/aggfunc_test.go b/executor/aggfuncs/aggfunc_test.go index d7dc3703dd4a9..d04ee889e4524 100644 --- a/executor/aggfuncs/aggfunc_test.go +++ b/executor/aggfuncs/aggfunc_test.go @@ -45,6 +45,11 @@ import ( "github.com/pingcap/tidb/util/set" ) +const ( + // separator argument for group_concat() test cases + separator = " " +) + var _ = Suite(&testSuite{}) func TestT(t *testing.T) { @@ -264,9 +269,9 @@ func rowMemDeltaGens(srcChk *chunk.Chunk, dataType *types.FieldType) (memDeltas return memDeltas, nil } -type multiArgsUpdateMemDeltaGens func(*chunk.Chunk, []*types.FieldType) (memDeltas []int64, err error) +type multiArgsUpdateMemDeltaGens func(*chunk.Chunk, []*types.FieldType, []*util.ByItems) (memDeltas []int64, err error) -func defaultMultiArgsMemDeltaGens(srcChk *chunk.Chunk, dataTypes []*types.FieldType) (memDeltas []int64, err error) { +func defaultMultiArgsMemDeltaGens(srcChk *chunk.Chunk, dataTypes []*types.FieldType, byItems []*util.ByItems) (memDeltas []int64, err error) { memDeltas = make([]int64, 0) m := make(map[string]bool) for i := 0; i < srcChk.NumRows(); i++ { @@ -342,14 +347,16 @@ type multiArgsAggMemTest struct { multiArgsAggTest multiArgsAggTest allocMemDelta int64 multiArgsUpdateMemDeltaGens multiArgsUpdateMemDeltaGens + isDistinct bool } -func buildMultiArgsAggMemTester(funcName string, tps []byte, rt byte, numRows int, allocMemDelta int64, updateMemDeltaGens multiArgsUpdateMemDeltaGens, results ...interface{}) multiArgsAggMemTest { - multiArgsAggTest := buildMultiArgsAggTester(funcName, tps, rt, numRows, results...) +func buildMultiArgsAggMemTester(funcName string, tps []byte, rt byte, numRows int, allocMemDelta int64, updateMemDeltaGens multiArgsUpdateMemDeltaGens, isDistinct bool) multiArgsAggMemTest { + multiArgsAggTest := buildMultiArgsAggTester(funcName, tps, rt, numRows) pt := multiArgsAggMemTest{ multiArgsAggTest: multiArgsAggTest, allocMemDelta: allocMemDelta, multiArgsUpdateMemDeltaGens: updateMemDeltaGens, + isDistinct: isDistinct, } return pt } @@ -360,7 +367,7 @@ func (s *testSuite) testMergePartialResult(c *C, p aggTest) { args := []expression.Expression{&expression.Column{RetType: p.dataType, Index: 0}} if p.funcName == ast.AggFuncGroupConcat { - args = append(args, &expression.Constant{Value: types.NewStringDatum(" "), RetType: types.NewFieldType(mysql.TypeString)}) + args = append(args, &expression.Constant{Value: types.NewStringDatum(separator), RetType: types.NewFieldType(mysql.TypeString)}) } desc, err := aggregation.NewAggFuncDesc(s.ctx, p.funcName, args, false) c.Assert(err, IsNil) @@ -589,7 +596,7 @@ func (s *testSuite) testAggFunc(c *C, p aggTest) { args := []expression.Expression{&expression.Column{RetType: p.dataType, Index: 0}} if p.funcName == ast.AggFuncGroupConcat { - args = append(args, &expression.Constant{Value: types.NewStringDatum(" "), RetType: types.NewFieldType(mysql.TypeString)}) + args = append(args, &expression.Constant{Value: types.NewStringDatum(separator), RetType: types.NewFieldType(mysql.TypeString)}) } if p.funcName == ast.AggFuncApproxPercentile { args = append(args, &expression.Constant{Value: types.NewIntDatum(50), RetType: types.NewFieldType(mysql.TypeLong)}) @@ -670,7 +677,7 @@ func (s *testSuite) testAggMemFunc(c *C, p aggMemTest) { args := []expression.Expression{&expression.Column{RetType: p.aggTest.dataType, Index: 0}} if p.aggTest.funcName == ast.AggFuncGroupConcat { - args = append(args, &expression.Constant{Value: types.NewStringDatum(" "), RetType: types.NewFieldType(mysql.TypeString)}) + args = append(args, &expression.Constant{Value: types.NewStringDatum(separator), RetType: types.NewFieldType(mysql.TypeString)}) } desc, err := aggregation.NewAggFuncDesc(s.ctx, p.aggTest.funcName, args, p.isDistinct) c.Assert(err, IsNil) @@ -703,7 +710,7 @@ func (s *testSuite) testMultiArgsAggFunc(c *C, p multiArgsAggTest) { args[k] = &expression.Column{RetType: p.dataTypes[k], Index: k} } if p.funcName == ast.AggFuncGroupConcat { - args = append(args, &expression.Constant{Value: types.NewStringDatum(" "), RetType: types.NewFieldType(mysql.TypeString)}) + args = append(args, &expression.Constant{Value: types.NewStringDatum(separator), RetType: types.NewFieldType(mysql.TypeString)}) } desc, err := aggregation.NewAggFuncDesc(s.ctx, p.funcName, args, false) @@ -785,10 +792,10 @@ func (s *testSuite) testMultiArgsAggMemFunc(c *C, p multiArgsAggMemTest) { args[k] = &expression.Column{RetType: p.multiArgsAggTest.dataTypes[k], Index: k} } if p.multiArgsAggTest.funcName == ast.AggFuncGroupConcat { - args = append(args, &expression.Constant{Value: types.NewStringDatum(" "), RetType: types.NewFieldType(mysql.TypeString)}) + args = append(args, &expression.Constant{Value: types.NewStringDatum(separator), RetType: types.NewFieldType(mysql.TypeString)}) } - desc, err := aggregation.NewAggFuncDesc(s.ctx, p.multiArgsAggTest.funcName, args, false) + desc, err := aggregation.NewAggFuncDesc(s.ctx, p.multiArgsAggTest.funcName, args, p.isDistinct) c.Assert(err, IsNil) if p.multiArgsAggTest.orderBy { desc.OrderByItems = []*util.ByItems{ @@ -799,8 +806,7 @@ func (s *testSuite) testMultiArgsAggMemFunc(c *C, p multiArgsAggMemTest) { finalPr, memDelta := finalFunc.AllocPartialResult() c.Assert(memDelta, Equals, p.allocMemDelta) - resultChk := chunk.NewChunkWithCapacity([]*types.FieldType{desc.RetTp}, 1) - updateMemDeltas, err := p.multiArgsUpdateMemDeltaGens(srcChk, p.multiArgsAggTest.dataTypes) + updateMemDeltas, err := p.multiArgsUpdateMemDeltaGens(srcChk, p.multiArgsAggTest.dataTypes, desc.OrderByItems) c.Assert(err, IsNil) iter := chunk.NewIterator4Chunk(srcChk) i := 0 @@ -809,30 +815,6 @@ func (s *testSuite) testMultiArgsAggMemFunc(c *C, p multiArgsAggMemTest) { c.Assert(memDelta, Equals, updateMemDeltas[i]) i++ } - - // test the agg func with distinct - desc, err = aggregation.NewAggFuncDesc(s.ctx, p.multiArgsAggTest.funcName, args, true) - c.Assert(err, IsNil) - if p.multiArgsAggTest.orderBy { - desc.OrderByItems = []*util.ByItems{ - {Expr: args[0], Desc: true}, - } - } - finalFunc = aggfuncs.Build(s.ctx, desc, 0) - finalPr, memDelta = finalFunc.AllocPartialResult() - c.Assert(memDelta, Equals, p.allocMemDelta) - - resultChk.Reset() - srcChk = p.multiArgsAggTest.genSrcChk() - updateMemDeltas, err = p.multiArgsUpdateMemDeltaGens(srcChk, p.multiArgsAggTest.dataTypes) - c.Assert(err, IsNil) - iter = chunk.NewIterator4Chunk(srcChk) - i = 0 - for row := iter.Begin(); row != iter.End(); row = iter.Next() { - memDelta, _ := finalFunc.UpdatePartialResult(s.ctx, []chunk.Row{row}, finalPr) - c.Assert(memDelta, Equals, updateMemDeltas[i]) - i++ - } } func (s *testSuite) benchmarkAggFunc(b *testing.B, p aggTest) { @@ -845,7 +827,7 @@ func (s *testSuite) benchmarkAggFunc(b *testing.B, p aggTest) { args := []expression.Expression{&expression.Column{RetType: p.dataType, Index: 0}} if p.funcName == ast.AggFuncGroupConcat { - args = append(args, &expression.Constant{Value: types.NewStringDatum(" "), RetType: types.NewFieldType(mysql.TypeString)}) + args = append(args, &expression.Constant{Value: types.NewStringDatum(separator), RetType: types.NewFieldType(mysql.TypeString)}) } desc, err := aggregation.NewAggFuncDesc(s.ctx, p.funcName, args, false) if err != nil { @@ -898,7 +880,7 @@ func (s *testSuite) benchmarkMultiArgsAggFunc(b *testing.B, p multiArgsAggTest) args[k] = &expression.Column{RetType: p.dataTypes[k], Index: k} } if p.funcName == ast.AggFuncGroupConcat { - args = append(args, &expression.Constant{Value: types.NewStringDatum(" "), RetType: types.NewFieldType(mysql.TypeString)}) + args = append(args, &expression.Constant{Value: types.NewStringDatum(separator), RetType: types.NewFieldType(mysql.TypeString)}) } desc, err := aggregation.NewAggFuncDesc(s.ctx, p.funcName, args, false) diff --git a/executor/aggfuncs/func_group_concat.go b/executor/aggfuncs/func_group_concat.go index 1e4b24bab45ca..0e2be59856eb2 100644 --- a/executor/aggfuncs/func_group_concat.go +++ b/executor/aggfuncs/func_group_concat.go @@ -18,6 +18,7 @@ import ( "container/heap" "sort" "sync/atomic" + "unsafe" "github.com/pingcap/parser/terror" mysql "github.com/pingcap/tidb/errno" @@ -31,6 +32,17 @@ import ( "github.com/pingcap/tidb/util/set" ) +const ( + // DefPartialResult4GroupConcatSize is the size of partialResult4GroupConcat + DefPartialResult4GroupConcatSize = int64(unsafe.Sizeof(partialResult4GroupConcat{})) + // DefPartialResult4GroupConcatDistinctSize is the size of partialResult4GroupConcatDistinct + DefPartialResult4GroupConcatDistinctSize = int64(unsafe.Sizeof(partialResult4GroupConcatDistinct{})) + // DefPartialResult4GroupConcatOrderSize is the size of partialResult4GroupConcatOrder + DefPartialResult4GroupConcatOrderSize = int64(unsafe.Sizeof(partialResult4GroupConcatOrder{})) + // DefPartialResult4GroupConcatOrderDistinctSize is the size of partialResult4GroupConcatOrderDistinct + DefPartialResult4GroupConcatOrderDistinctSize = int64(unsafe.Sizeof(partialResult4GroupConcatOrderDistinct{})) +) + type baseGroupConcat4String struct { baseAggFunc byItems []*util.ByItems @@ -87,7 +99,7 @@ type groupConcat struct { func (e *groupConcat) AllocPartialResult() (pr PartialResult, memDelta int64) { p := new(partialResult4GroupConcat) p.valsBuf = &bytes.Buffer{} - return PartialResult(p), 0 + return PartialResult(p), DefPartialResult4GroupConcatSize } func (e *groupConcat) ResetPartialResult(pr PartialResult) { @@ -103,7 +115,7 @@ func (e *groupConcat) UpdatePartialResult(sctx sessionctx.Context, rowsInGroup [ for _, arg := range e.args { v, isNull, err = arg.EvalString(sctx, row) if err != nil { - return 0, err + return memDelta, err } if isNull { break @@ -113,17 +125,21 @@ func (e *groupConcat) UpdatePartialResult(sctx sessionctx.Context, rowsInGroup [ if isNull { continue } + var oldMem int if p.buffer == nil { p.buffer = &bytes.Buffer{} } else { + oldMem = p.buffer.Cap() p.buffer.WriteString(e.sep) } p.buffer.WriteString(p.valsBuf.String()) + newMem := p.buffer.Cap() + memDelta += int64(newMem - oldMem) } if p.buffer != nil { - return 0, e.truncatePartialResultIfNeed(sctx, p.buffer) + return memDelta, e.truncatePartialResultIfNeed(sctx, p.buffer) } - return 0, nil + return memDelta, nil } func (e *groupConcat) MergePartialResult(sctx sessionctx.Context, src, dst PartialResult) (memDelta int64, err error) { @@ -164,7 +180,7 @@ func (e *groupConcatDistinct) AllocPartialResult() (pr PartialResult, memDelta i p := new(partialResult4GroupConcatDistinct) p.valsBuf = &bytes.Buffer{} p.valSet = set.NewStringSet() - return PartialResult(p), 0 + return PartialResult(p), DefPartialResult4GroupConcatDistinctSize } func (e *groupConcatDistinct) ResetPartialResult(pr PartialResult) { @@ -181,7 +197,7 @@ func (e *groupConcatDistinct) UpdatePartialResult(sctx sessionctx.Context, rowsI for _, arg := range e.args { v, isNull, err = arg.EvalString(sctx, row) if err != nil { - return 0, err + return memDelta, err } if isNull { break @@ -197,19 +213,24 @@ func (e *groupConcatDistinct) UpdatePartialResult(sctx sessionctx.Context, rowsI continue } p.valSet.Insert(joinedVal) + memDelta += int64(len(joinedVal)) + var oldMem int // write separator if p.buffer == nil { p.buffer = &bytes.Buffer{} } else { + oldMem = p.buffer.Cap() p.buffer.WriteString(e.sep) } // write values p.buffer.WriteString(p.valsBuf.String()) + newMem := p.buffer.Cap() + memDelta += int64(newMem - oldMem) } if p.buffer != nil { - return 0, e.truncatePartialResultIfNeed(sctx, p.buffer) + return memDelta, e.truncatePartialResultIfNeed(sctx, p.buffer) } - return 0, nil + return memDelta, nil } // SetTruncated will be called in `executorBuilder#buildHashAgg` with duck-type. @@ -278,14 +299,19 @@ func (h *topNRows) Pop() interface{} { return x } -func (h *topNRows) tryToAdd(row sortRow) (truncated bool) { +func (h *topNRows) tryToAdd(row sortRow) (truncated bool, sortRowMemSize int64) { + oldSize := h.currSize h.currSize += uint64(row.buffer.Len()) if len(h.rows) > 0 { h.currSize += h.sepSize } heap.Push(h, row) + for _, dt := range row.byItems { + sortRowMemSize += GetDatumMemSize(dt) + } if h.currSize <= h.limitSize { - return false + sortRowMemSize += int64(h.currSize - oldSize) + return false, sortRowMemSize } for h.currSize > h.limitSize { @@ -295,10 +321,14 @@ func (h *topNRows) tryToAdd(row sortRow) (truncated bool) { h.rows[0].buffer.Truncate(h.rows[0].buffer.Len() - int(debt)) } else { h.currSize -= uint64(h.rows[0].buffer.Len()) + h.sepSize + for _, dt := range h.rows[0].byItems { + sortRowMemSize -= GetDatumMemSize(dt) + } heap.Pop(h) } } - return true + sortRowMemSize += int64(h.currSize - oldSize) + return true, sortRowMemSize } func (h *topNRows) reset() { @@ -355,7 +385,7 @@ func (e *groupConcatOrder) AllocPartialResult() (pr PartialResult, memDelta int6 sepSize: uint64(len(e.sep)), }, } - return PartialResult(p), 0 + return PartialResult(p), DefPartialResult4GroupConcatOrderSize } func (e *groupConcatOrder) ResetPartialResult(pr PartialResult) { @@ -372,7 +402,7 @@ func (e *groupConcatOrder) UpdatePartialResult(sctx sessionctx.Context, rowsInGr for _, arg := range e.args { v, isNull, err = arg.EvalString(sctx, row) if err != nil { - return 0, err + return memDelta, err } if isNull { break @@ -389,21 +419,22 @@ func (e *groupConcatOrder) UpdatePartialResult(sctx sessionctx.Context, rowsInGr for _, byItem := range e.byItems { d, err := byItem.Expr.Eval(row) if err != nil { - return 0, err + return memDelta, err } sortRow.byItems = append(sortRow.byItems, d.Clone()) } - truncated := p.topN.tryToAdd(sortRow) + truncated, sortRowMemSize := p.topN.tryToAdd(sortRow) + memDelta += sortRowMemSize if p.topN.err != nil { - return 0, p.topN.err + return memDelta, p.topN.err } if truncated { if err := e.handleTruncateError(sctx); err != nil { - return 0, err + return memDelta, err } } } - return 0, nil + return memDelta, nil } func (e *groupConcatOrder) MergePartialResult(sctx sessionctx.Context, src, dst PartialResult) (memDelta int64, err error) { @@ -456,7 +487,7 @@ func (e *groupConcatDistinctOrder) AllocPartialResult() (pr PartialResult, memDe }, valSet: set.NewStringSet(), } - return PartialResult(p), 0 + return PartialResult(p), DefPartialResult4GroupConcatOrderDistinctSize } func (e *groupConcatDistinctOrder) ResetPartialResult(pr PartialResult) { @@ -475,7 +506,7 @@ func (e *groupConcatDistinctOrder) UpdatePartialResult(sctx sessionctx.Context, for _, arg := range e.args { v, isNull, err = arg.EvalString(sctx, row) if err != nil { - return 0, err + return memDelta, err } if isNull { break @@ -498,21 +529,23 @@ func (e *groupConcatDistinctOrder) UpdatePartialResult(sctx sessionctx.Context, for _, byItem := range e.byItems { d, err := byItem.Expr.Eval(row) if err != nil { - return 0, err + return memDelta, err } sortRow.byItems = append(sortRow.byItems, d.Clone()) } - truncated := p.topN.tryToAdd(sortRow) + truncated, sortRowMemSize := p.topN.tryToAdd(sortRow) + memDelta += sortRowMemSize + memDelta += int64(len(joinedVal)) if p.topN.err != nil { - return 0, p.topN.err + return memDelta, p.topN.err } if truncated { if err := e.handleTruncateError(sctx); err != nil { - return 0, err + return memDelta, err } } } - return 0, nil + return memDelta, nil } func (e *groupConcatDistinctOrder) MergePartialResult(sctx sessionctx.Context, src, dst PartialResult) (memDelta int64, err error) { @@ -520,3 +553,14 @@ func (e *groupConcatDistinctOrder) MergePartialResult(sctx sessionctx.Context, s // So MergePartialResult will not be called. return 0, terror.ClassOptimizer.New(mysql.ErrInternal, mysql.MySQLErrName[mysql.ErrInternal]).GenWithStack("groupConcatDistinctOrder.MergePartialResult should not be called") } + +// GetDatumMemSize calculates the memory size of each types.Datum in sortRow.byItems. +// types.Datum memory size = variable type's memory size + variable value's memory size. +func GetDatumMemSize(d *types.Datum) int64 { + var datumMemSize int64 + datumMemSize += int64(unsafe.Sizeof(*d)) + datumMemSize += int64(len(d.Collation())) + datumMemSize += int64(len(d.GetBytes())) + datumMemSize += getValMemDelta(d.GetInterface()) - DefInterfaceSize + return datumMemSize +} diff --git a/executor/aggfuncs/func_group_concat_test.go b/executor/aggfuncs/func_group_concat_test.go index 7e68e93cfed3b..76051d99b09ad 100644 --- a/executor/aggfuncs/func_group_concat_test.go +++ b/executor/aggfuncs/func_group_concat_test.go @@ -14,13 +14,20 @@ package aggfuncs_test import ( + "bytes" "fmt" . "github.com/pingcap/check" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/mysql" + "github.com/pingcap/tidb/executor/aggfuncs" + "github.com/pingcap/tidb/planner/util" "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/types" + "github.com/pingcap/tidb/util/chunk" + "github.com/pingcap/tidb/util/codec" + "github.com/pingcap/tidb/util/hack" + "github.com/pingcap/tidb/util/set" ) func (s *testSuite) TestMergePartialResult4GroupConcat(c *C) { @@ -45,3 +52,148 @@ func (s *testSuite) TestGroupConcat(c *C) { s.testMultiArgsAggFunc(c, test2) } } + +func (s *testSuite) TestMemGroupConcat(c *C) { + multiArgsTest1 := buildMultiArgsAggMemTester(ast.AggFuncGroupConcat, []byte{mysql.TypeString, mysql.TypeString}, mysql.TypeString, 5, + aggfuncs.DefPartialResult4GroupConcatSize, groupConcatMultiArgsUpdateMemDeltaGens, false) + multiArgsTest2 := buildMultiArgsAggMemTester(ast.AggFuncGroupConcat, []byte{mysql.TypeString, mysql.TypeString}, mysql.TypeString, 5, + aggfuncs.DefPartialResult4GroupConcatDistinctSize, groupConcatDistinctMultiArgsUpdateMemDeltaGens, true) + + multiArgsTest3 := buildMultiArgsAggMemTester(ast.AggFuncGroupConcat, []byte{mysql.TypeString, mysql.TypeString}, mysql.TypeString, 5, + aggfuncs.DefPartialResult4GroupConcatOrderSize, groupConcatOrderMultiArgsUpdateMemDeltaGens, false) + multiArgsTest3.multiArgsAggTest.orderBy = true + multiArgsTest4 := buildMultiArgsAggMemTester(ast.AggFuncGroupConcat, []byte{mysql.TypeString, mysql.TypeString}, mysql.TypeString, 5, + aggfuncs.DefPartialResult4GroupConcatOrderDistinctSize, groupConcatDistinctOrderMultiArgsUpdateMemDeltaGens, true) + multiArgsTest4.multiArgsAggTest.orderBy = true + + multiArgsTests := []multiArgsAggMemTest{multiArgsTest1, multiArgsTest2, multiArgsTest3, multiArgsTest4} + for _, test := range multiArgsTests { + s.testMultiArgsAggMemFunc(c, test) + } +} + +func groupConcatMultiArgsUpdateMemDeltaGens(srcChk *chunk.Chunk, dataType []*types.FieldType, byItems []*util.ByItems) (memDeltas []int64, err error) { + memDeltas = make([]int64, 0) + buffer := new(bytes.Buffer) + for i := 0; i < srcChk.NumRows(); i++ { + row := srcChk.GetRow(i) + if row.IsNull(0) { + memDeltas = append(memDeltas, int64(0)) + continue + } + oldMemSize := buffer.Cap() + if i != 0 { + buffer.WriteString(separator) + } + for j := 0; j < len(dataType); j++ { + curVal := row.GetString(j) + buffer.WriteString(curVal) + } + memDelta := int64(buffer.Cap() - oldMemSize) + memDeltas = append(memDeltas, memDelta) + } + return memDeltas, nil +} + +func groupConcatOrderMultiArgsUpdateMemDeltaGens(srcChk *chunk.Chunk, dataType []*types.FieldType, byItems []*util.ByItems) (memDeltas []int64, err error) { + memDeltas = make([]int64, 0) + buffer := new(bytes.Buffer) + for i := 0; i < srcChk.NumRows(); i++ { + row := srcChk.GetRow(i) + if row.IsNull(0) { + memDeltas = append(memDeltas, int64(0)) + continue + } + oldMemSize := buffer.Len() + if i != 0 { + buffer.WriteString(separator) + } + for j := 0; j < len(dataType); j++ { + curVal := row.GetString(j) + buffer.WriteString(curVal) + } + memDelta := int64(buffer.Len() - oldMemSize) + for _, byItem := range byItems { + fdt, _ := byItem.Expr.Eval(row) + datumMem := aggfuncs.GetDatumMemSize(&fdt) + memDelta += datumMem + } + memDeltas = append(memDeltas, memDelta) + } + return memDeltas, nil +} + +func groupConcatDistinctMultiArgsUpdateMemDeltaGens(srcChk *chunk.Chunk, dataType []*types.FieldType, byItems []*util.ByItems) (memDeltas []int64, err error) { + valSet := set.NewStringSet() + buffer := new(bytes.Buffer) + valsBuf := new(bytes.Buffer) + var encodeBytesBuffer []byte + for i := 0; i < srcChk.NumRows(); i++ { + row := srcChk.GetRow(i) + if row.IsNull(0) { + memDeltas = append(memDeltas, int64(0)) + continue + } + valsBuf.Reset() + encodeBytesBuffer = encodeBytesBuffer[:0] + for j := 0; j < len(dataType); j++ { + curVal := row.GetString(j) + encodeBytesBuffer = codec.EncodeBytes(encodeBytesBuffer, hack.Slice(curVal)) + valsBuf.WriteString(curVal) + } + joinedVal := string(encodeBytesBuffer) + if valSet.Exist(joinedVal) { + memDeltas = append(memDeltas, int64(0)) + continue + } + valSet.Insert(joinedVal) + oldMemSize := buffer.Cap() + if i != 0 { + buffer.WriteString(separator) + } + buffer.WriteString(valsBuf.String()) + memDelta := int64(len(joinedVal) + (buffer.Cap() - oldMemSize)) + memDeltas = append(memDeltas, memDelta) + } + return memDeltas, nil +} + +func groupConcatDistinctOrderMultiArgsUpdateMemDeltaGens(srcChk *chunk.Chunk, dataType []*types.FieldType, byItems []*util.ByItems) (memDeltas []int64, err error) { + valSet := set.NewStringSet() + buffer := new(bytes.Buffer) + valsBuf := new(bytes.Buffer) + var encodeBytesBuffer []byte + for i := 0; i < srcChk.NumRows(); i++ { + row := srcChk.GetRow(i) + if row.IsNull(0) { + memDeltas = append(memDeltas, int64(0)) + continue + } + valsBuf.Reset() + encodeBytesBuffer = encodeBytesBuffer[:0] + for j := 0; j < len(dataType); j++ { + curVal := row.GetString(j) + encodeBytesBuffer = codec.EncodeBytes(encodeBytesBuffer, hack.Slice(curVal)) + valsBuf.WriteString(curVal) + } + joinedVal := string(encodeBytesBuffer) + if valSet.Exist(joinedVal) { + memDeltas = append(memDeltas, int64(0)) + continue + } + oldMemSize := buffer.Len() + if i != 0 { + buffer.WriteString(separator) + } + valSet.Insert(joinedVal) + buffer.WriteString(valsBuf.String()) + memDelta := int64(len(joinedVal) + (buffer.Len() - oldMemSize)) + for _, byItem := range byItems { + fdt, _ := byItem.Expr.Eval(row) + datumMem := aggfuncs.GetDatumMemSize(&fdt) + memDelta += datumMem + } + memDeltas = append(memDeltas, memDelta) + } + return memDeltas, nil +} diff --git a/executor/aggfuncs/func_json_objectagg_test.go b/executor/aggfuncs/func_json_objectagg_test.go index 2a424b6831109..aea5d0a29581e 100644 --- a/executor/aggfuncs/func_json_objectagg_test.go +++ b/executor/aggfuncs/func_json_objectagg_test.go @@ -113,10 +113,7 @@ func (s *testSuite) TestMemJsonObjectagg(c *C) { argCombines = append(argCombines, argTypes) } } - - var tests []multiArgsAggMemTest numRows := 5 - for k := 0; k < len(argCombines); k++ { entries := make(map[string]interface{}) @@ -143,12 +140,12 @@ func (s *testSuite) TestMemJsonObjectagg(c *C) { } } - aggTest := buildMultiArgsAggMemTester(ast.AggFuncJsonObjectAgg, argTypes, mysql.TypeJSON, numRows, aggfuncs.DefPartialResult4JsonObjectAgg, defaultMultiArgsMemDeltaGens, nil, json.CreateBinary(entries)) - - tests = append(tests, aggTest) - } - - for _, test := range tests { - s.testMultiArgsAggMemFunc(c, test) + tests := []multiArgsAggMemTest{ + buildMultiArgsAggMemTester(ast.AggFuncJsonObjectAgg, argTypes, mysql.TypeJSON, numRows, aggfuncs.DefPartialResult4JsonObjectAgg, defaultMultiArgsMemDeltaGens, true), + buildMultiArgsAggMemTester(ast.AggFuncJsonObjectAgg, argTypes, mysql.TypeJSON, numRows, aggfuncs.DefPartialResult4JsonObjectAgg, defaultMultiArgsMemDeltaGens, false), + } + for _, test := range tests { + s.testMultiArgsAggMemFunc(c, test) + } } } From dcefa580356dc23521c4fb3528c3c714103c88df Mon Sep 17 00:00:00 2001 From: lysu Date: Wed, 14 Oct 2020 16:11:33 +0800 Subject: [PATCH 0023/1021] *: use global stats & make ddl/feedback/show/export works(part III) (#20271) --- domain/domain.go | 18 ++++- executor/builder.go | 17 ++++- executor/infoschema_reader.go | 2 +- executor/infoschema_reader_test.go | 54 ++++++++------- executor/show_stats.go | 8 +-- planner/core/logical_plan_builder.go | 8 +-- planner/core/mock.go | 6 +- planner/core/rule_partition_processor.go | 4 +- session/session.go | 27 +++++++- sessionctx/variable/session.go | 8 ++- sessionctx/variable/sysvar.go | 2 +- sessionctx/variable/tidb_vars.go | 1 + statistics/handle/ddl.go | 36 +++++++--- statistics/handle/dump.go | 8 +-- statistics/handle/handle.go | 8 ++- statistics/handle/handle_test.go | 3 +- statistics/handle/update.go | 10 +-- statistics/handle/update_test.go | 86 +++++++++++++----------- table/tables/tables.go | 6 +- 19 files changed, 199 insertions(+), 113 deletions(-) diff --git a/domain/domain.go b/domain/domain.go index a2557f71d3f81..1c674ac5fe38a 100644 --- a/domain/domain.go +++ b/domain/domain.go @@ -1033,8 +1033,13 @@ func (do *Domain) StatsHandle() *handle.Handle { } // CreateStatsHandle is used only for test. -func (do *Domain) CreateStatsHandle(ctx sessionctx.Context) { - atomic.StorePointer(&do.statsHandle, unsafe.Pointer(handle.NewHandle(ctx, do.statsLease))) +func (do *Domain) CreateStatsHandle(ctx sessionctx.Context) error { + h, err := handle.NewHandle(ctx, do.statsLease) + if err != nil { + return err + } + atomic.StorePointer(&do.statsHandle, unsafe.Pointer(h)) + return nil } // StatsUpdating checks if the stats worker is updating. @@ -1059,7 +1064,10 @@ var RunAutoAnalyze = true // It should be called only once in BootstrapSession. func (do *Domain) UpdateTableStatsLoop(ctx sessionctx.Context) error { ctx.GetSessionVars().InRestrictedSQL = true - statsHandle := handle.NewHandle(ctx, do.statsLease) + statsHandle, err := handle.NewHandle(ctx, do.statsLease) + if err != nil { + return err + } atomic.StorePointer(&do.statsHandle, unsafe.Pointer(statsHandle)) do.ddl.RegisterEventCh(statsHandle.DDLEventCh()) // Negative stats lease indicates that it is in test, it does not need update. @@ -1120,6 +1128,10 @@ func (do *Domain) loadStatsWorker() { for { select { case <-loadTicker.C: + err = statsHandle.RefreshVars() + if err != nil { + logutil.BgLogger().Debug("refresh variables failed", zap.Error(err)) + } err = statsHandle.Update(do.InfoSchema()) if err != nil { logutil.BgLogger().Debug("update stats info failed", zap.Error(err)) diff --git a/executor/builder.go b/executor/builder.go index cbedfc175399b..9454f207bb3eb 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -2482,7 +2482,7 @@ func buildNoRangeTableReader(b *executorBuilder, v *plannercore.PhysicalTableRea if containsLimit(dagReq.Executors) { e.feedback = statistics.NewQueryFeedback(0, nil, 0, ts.Desc) } else { - e.feedback = statistics.NewQueryFeedback(getPhysicalTableID(tbl), ts.Hist, int64(ts.StatsCount()), ts.Desc) + e.feedback = statistics.NewQueryFeedback(getFeedbackStatsTableID(e.ctx, tbl), ts.Hist, int64(ts.StatsCount()), ts.Desc) } collect := statistics.CollectFeedback(b.ctx.GetSessionVars().StmtCtx, e.feedback, len(ts.Ranges)) if !collect { @@ -2738,7 +2738,11 @@ func buildNoRangeIndexReader(b *executorBuilder, v *plannercore.PhysicalIndexRea if containsLimit(dagReq.Executors) { e.feedback = statistics.NewQueryFeedback(0, nil, 0, is.Desc) } else { - e.feedback = statistics.NewQueryFeedback(e.physicalTableID, is.Hist, int64(is.StatsCount()), is.Desc) + tblID := e.physicalTableID + if b.ctx.GetSessionVars().UseDynamicPartitionPrune() { + tblID = e.table.Meta().ID + } + e.feedback = statistics.NewQueryFeedback(tblID, is.Hist, int64(is.StatsCount()), is.Desc) } collect := statistics.CollectFeedback(b.ctx.GetSessionVars().StmtCtx, e.feedback, len(is.Ranges)) if !collect { @@ -2875,7 +2879,7 @@ func buildNoRangeIndexLookUpReader(b *executorBuilder, v *plannercore.PhysicalIn if containsLimit(indexReq.Executors) { e.feedback = statistics.NewQueryFeedback(0, nil, 0, is.Desc) } else { - e.feedback = statistics.NewQueryFeedback(getPhysicalTableID(tbl), is.Hist, int64(is.StatsCount()), is.Desc) + e.feedback = statistics.NewQueryFeedback(getFeedbackStatsTableID(e.ctx, tbl), is.Hist, int64(is.StatsCount()), is.Desc) } // Do not collect the feedback for table request. collectTable := false @@ -3779,6 +3783,13 @@ func getPhysicalTableID(t table.Table) int64 { return t.Meta().ID } +func getFeedbackStatsTableID(ctx sessionctx.Context, t table.Table) int64 { + if p, ok := t.(table.PhysicalTable); ok && !ctx.GetSessionVars().UseDynamicPartitionPrune() { + return p.GetPhysicalID() + } + return t.Meta().ID +} + func (b *executorBuilder) buildAdminShowTelemetry(v *plannercore.AdminShowTelemetry) Executor { return &AdminShowTelemetryExec{baseExecutor: newBaseExecutor(b.ctx, v.Schema(), v.ID())} } diff --git a/executor/infoschema_reader.go b/executor/infoschema_reader.go index 137a29b8cde60..59e5f4b3b2d5e 100644 --- a/executor/infoschema_reader.go +++ b/executor/infoschema_reader.go @@ -451,7 +451,7 @@ func (e *memtableRetriever) setDataFromTables(ctx sessionctx.Context, schemas [] } var rowCount, dataLength, indexLength uint64 - if table.GetPartitionInfo() == nil { + if table.GetPartitionInfo() == nil || ctx.GetSessionVars().UseDynamicPartitionPrune() { rowCount = tableRowsMap[table.ID] dataLength, indexLength = getDataAndIndexLength(table, table.ID, rowCount, colLengthMap) } else { diff --git a/executor/infoschema_reader_test.go b/executor/infoschema_reader_test.go index e5328b2be1f06..670afa8e8b49d 100644 --- a/executor/infoschema_reader_test.go +++ b/executor/infoschema_reader_test.go @@ -418,37 +418,39 @@ func (s *testInfoschemaTableSerialSuite) TestPartitionsTable(c *C) { is := do.InfoSchema() tk := testkit.NewTestKit(c, s.store) - tk.MustExec("USE test;") - tk.MustExec("DROP TABLE IF EXISTS `test_partitions`;") - tk.MustExec(`CREATE TABLE test_partitions (a int, b int, c varchar(5), primary key(a), index idx(c)) PARTITION BY RANGE (a) (PARTITION p0 VALUES LESS THAN (6), PARTITION p1 VALUES LESS THAN (11), PARTITION p2 VALUES LESS THAN (16));`) - err := h.HandleDDLEvent(<-h.DDLEventCh()) - c.Assert(err, IsNil) - tk.MustExec(`insert into test_partitions(a, b, c) values(1, 2, "c"), (7, 3, "d"), (12, 4, "e");`) - - tk.MustQuery("select PARTITION_NAME, PARTITION_DESCRIPTION from information_schema.PARTITIONS where table_name='test_partitions';").Check( - testkit.Rows("" + - "p0 6]\n" + - "[p1 11]\n" + - "[p2 16")) - - tk.MustQuery("select table_rows, avg_row_length, data_length, index_length from information_schema.PARTITIONS where table_name='test_partitions';").Check( - testkit.Rows("" + - "0 0 0 0]\n" + - "[0 0 0 0]\n" + - "[0 0 0 0")) - c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) - c.Assert(h.Update(is), IsNil) - tk.MustQuery("select table_rows, avg_row_length, data_length, index_length from information_schema.PARTITIONS where table_name='test_partitions';").Check( - testkit.Rows("" + - "1 18 18 2]\n" + - "[1 18 18 2]\n" + - "[1 18 18 2")) + testkit.WithPruneMode(tk, variable.StaticOnly, func() { + c.Assert(h.RefreshVars(), IsNil) + tk.MustExec("DROP TABLE IF EXISTS `test_partitions`;") + tk.MustExec(`CREATE TABLE test_partitions (a int, b int, c varchar(5), primary key(a), index idx(c)) PARTITION BY RANGE (a) (PARTITION p0 VALUES LESS THAN (6), PARTITION p1 VALUES LESS THAN (11), PARTITION p2 VALUES LESS THAN (16));`) + err := h.HandleDDLEvent(<-h.DDLEventCh()) + c.Assert(err, IsNil) + tk.MustExec(`insert into test_partitions(a, b, c) values(1, 2, "c"), (7, 3, "d"), (12, 4, "e");`) + + tk.MustQuery("select PARTITION_NAME, PARTITION_DESCRIPTION from information_schema.PARTITIONS where table_name='test_partitions';").Check( + testkit.Rows("" + + "p0 6]\n" + + "[p1 11]\n" + + "[p2 16")) + + tk.MustQuery("select table_rows, avg_row_length, data_length, index_length from information_schema.PARTITIONS where table_name='test_partitions';").Check( + testkit.Rows("" + + "0 0 0 0]\n" + + "[0 0 0 0]\n" + + "[0 0 0 0")) + c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) + c.Assert(h.Update(is), IsNil) + tk.MustQuery("select table_rows, avg_row_length, data_length, index_length from information_schema.PARTITIONS where table_name='test_partitions';").Check( + testkit.Rows("" + + "1 18 18 2]\n" + + "[1 18 18 2]\n" + + "[1 18 18 2")) + }) // Test for table has no partitions. tk.MustExec("DROP TABLE IF EXISTS `test_partitions_1`;") tk.MustExec(`CREATE TABLE test_partitions_1 (a int, b int, c varchar(5), primary key(a), index idx(c));`) - err = h.HandleDDLEvent(<-h.DDLEventCh()) + err := h.HandleDDLEvent(<-h.DDLEventCh()) c.Assert(err, IsNil) tk.MustExec(`insert into test_partitions_1(a, b, c) values(1, 2, "c"), (7, 3, "d"), (12, 4, "e");`) c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) diff --git a/executor/show_stats.go b/executor/show_stats.go index 79b1c97a7dfb7..ac6a1542e98ab 100644 --- a/executor/show_stats.go +++ b/executor/show_stats.go @@ -31,7 +31,7 @@ func (e *ShowExec) fetchShowStatsMeta() error { for _, db := range dbs { for _, tbl := range db.Tables { pi := tbl.GetPartitionInfo() - if pi == nil { + if pi == nil || e.ctx.GetSessionVars().UseDynamicPartitionPrune() { e.appendTableForStatsMeta(db.Name.O, tbl.Name.O, "", h.GetTableStats(tbl)) } else { for _, def := range pi.Definitions { @@ -64,7 +64,7 @@ func (e *ShowExec) fetchShowStatsHistogram() error { for _, db := range dbs { for _, tbl := range db.Tables { pi := tbl.GetPartitionInfo() - if pi == nil { + if pi == nil || e.ctx.GetSessionVars().UseDynamicPartitionPrune() { e.appendTableForStatsHistograms(db.Name.O, tbl.Name.O, "", h.GetTableStats(tbl)) } else { for _, def := range pi.Definitions { @@ -119,7 +119,7 @@ func (e *ShowExec) fetchShowStatsBuckets() error { for _, db := range dbs { for _, tbl := range db.Tables { pi := tbl.GetPartitionInfo() - if pi == nil { + if pi == nil || e.ctx.GetSessionVars().UseDynamicPartitionPrune() { if err := e.appendTableForStatsBuckets(db.Name.O, tbl.Name.O, "", h.GetTableStats(tbl)); err != nil { return err } @@ -199,7 +199,7 @@ func (e *ShowExec) fetchShowStatsHealthy() { for _, db := range dbs { for _, tbl := range db.Tables { pi := tbl.GetPartitionInfo() - if pi == nil { + if pi == nil || e.ctx.GetSessionVars().UseDynamicPartitionPrune() { e.appendTableForStatsHealthy(db.Name.O, tbl.Name.O, "", h.GetTableStats(tbl)) } else { for _, def := range pi.Definitions { diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index a728bb2fcbd6d..267a789b8bd85 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -2846,10 +2846,10 @@ func getStatsTable(ctx sessionctx.Context, tblInfo *model.TableInfo, pid int64) } var statsTbl *statistics.Table - if pid != tblInfo.ID { - statsTbl = statsHandle.GetPartitionStats(tblInfo, pid) - } else { + if pid == tblInfo.ID || ctx.GetSessionVars().UseDynamicPartitionPrune() { statsTbl = statsHandle.GetTableStats(tblInfo) + } else { + statsTbl = statsHandle.GetPartitionStats(tblInfo, pid) } // 2. table row count from statistics is zero. @@ -2965,7 +2965,7 @@ func (b *PlanBuilder) buildDataSource(ctx context.Context, tn *ast.TableName, as columns = tbl.Cols() } var statisticTable *statistics.Table - if _, ok := tbl.(table.PartitionedTable); !ok { + if _, ok := tbl.(table.PartitionedTable); !ok || b.ctx.GetSessionVars().UseDynamicPartitionPrune() { statisticTable = getStatsTable(b.ctx, tbl.Meta(), tbl.Meta().ID) } diff --git a/planner/core/mock.go b/planner/core/mock.go index ba7c1145ccc38..8eee3c8647b68 100644 --- a/planner/core/mock.go +++ b/planner/core/mock.go @@ -14,6 +14,8 @@ package core import ( + "fmt" + "github.com/pingcap/parser/auth" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" @@ -370,7 +372,9 @@ func MockContext() sessionctx.Context { } ctx.GetSessionVars().CurrentDB = "test" do := &domain.Domain{} - do.CreateStatsHandle(ctx) + if err := do.CreateStatsHandle(ctx); err != nil { + panic(fmt.Sprintf("create mock context panic: %+v", err)) + } domain.BindDomain(ctx, do) return ctx } diff --git a/planner/core/rule_partition_processor.go b/planner/core/rule_partition_processor.go index 6b329358290f9..26bbc9f87a3cd 100644 --- a/planner/core/rule_partition_processor.go +++ b/planner/core/rule_partition_processor.go @@ -946,7 +946,9 @@ func (s *partitionProcessor) makeUnionAllChildren(ds *DataSource, pi *model.Part // id as FromID. So we set the id of the newDataSource with the original one to // avoid traversing the whole plan tree to update the references. newDataSource.id = ds.id - newDataSource.statisticTable = getStatsTable(ds.SCtx(), ds.table.Meta(), pi.Definitions[i].ID) + if !ds.ctx.GetSessionVars().UseDynamicPartitionPrune() { + newDataSource.statisticTable = getStatsTable(ds.SCtx(), ds.table.Meta(), pi.Definitions[i].ID) + } err := s.resolveOptimizeHint(&newDataSource, pi.Definitions[i].Name) partitionNameSet.Insert(pi.Definitions[i].Name.L) if err != nil { diff --git a/session/session.go b/session/session.go index 18d40c5914cf4..6a8cbe1178882 100644 --- a/session/session.go +++ b/session/session.go @@ -509,8 +509,10 @@ func (s *session) doCommitWithRetry(ctx context.Context) error { } mapper := s.GetSessionVars().TxnCtx.TableDeltaMap if s.statsCollector != nil && mapper != nil { - for id, item := range mapper { - s.statsCollector.Update(id, item.Delta, item.Count, &item.ColSize) + for _, item := range mapper { + if item.TableID > 0 { + s.statsCollector.Update(item.TableID, item.Delta, item.Count, &item.ColSize) + } } } return nil @@ -786,6 +788,7 @@ func (s *session) ExecRestrictedSQLWithContext(ctx context.Context, sql string) se.sessionVars.PartitionPruneMode.Store(prePruneMode) s.sysSessionPool().Put(tmp) }() + // for analyze stmt we need let worker session follow user session that executing stmt. se.sessionVars.PartitionPruneMode.Store(s.sessionVars.PartitionPruneMode.Load()) metrics.SessionRestrictedSQLCounter.Inc() @@ -1005,6 +1008,12 @@ func (s *session) SetGlobalSysVar(name, value string) error { return err } } + if name == variable.TiDBPartitionPruneMode && value == string(variable.DynamicOnly) { + err := s.ensureFullGlobalStats() + if err != nil { + return err + } + } var sVal string var err error sVal, err = variable.ValidateSetSystemVar(s.sessionVars, name, value, variable.ScopeGlobal) @@ -1019,6 +1028,20 @@ func (s *session) SetGlobalSysVar(name, value string) error { return err } +func (s *session) ensureFullGlobalStats() error { + rows, _, err := s.ExecRestrictedSQL(`select count(1) from information_schema.tables t where t.create_options = 'partitioned' + and not exists (select 1 from mysql.stats_meta m where m.table_id = t.tidb_table_id)`) + if err != nil { + return err + } + row := rows[0] + count := row.GetInt64(0) + if count > 0 { + return errors.New("need analyze all partition table in 'static-collect-dynamic' mode before switch to 'dynamic-only'") + } + return nil +} + func (s *session) ParseSQL(ctx context.Context, sql, charset, collation string) ([]ast.StmtNode, []error, error) { if span := opentracing.SpanFromContext(ctx); span != nil && span.Tracer() != nil { span1 := span.Tracer().StartSpan("session.ParseSQL", opentracing.ChildOf(span.Context())) diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 2ee2920d15696..5648433063088 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -215,7 +215,7 @@ func (tc *TransactionContext) CollectUnchangedRowKeys(buf []kv.Key) []kv.Key { } // UpdateDeltaForTable updates the delta info for some table. -func (tc *TransactionContext) UpdateDeltaForTable(physicalTableID int64, delta int64, count int64, colSize map[int64]int64) { +func (tc *TransactionContext) UpdateDeltaForTable(logicalTableID, physicalTableID int64, delta int64, count int64, colSize map[int64]int64, saveAsLogicalTblID bool) { if tc.TableDeltaMap == nil { tc.TableDeltaMap = make(map[int64]TableDelta) } @@ -225,6 +225,10 @@ func (tc *TransactionContext) UpdateDeltaForTable(physicalTableID int64, delta i } item.Delta += delta item.Count += count + item.TableID = physicalTableID + if saveAsLogicalTblID { + item.TableID = logicalTableID + } for key, val := range colSize { item.ColSize[key] += val } @@ -837,6 +841,7 @@ func NewSessionVars() *SessionVars { ShardAllocateStep: DefTiDBShardAllocateStep, EnableChangeColumnType: DefTiDBChangeColumnType, EnableAmendPessimisticTxn: DefTiDBEnableAmendPessimisticTxn, + PartitionPruneMode: *atomic2.NewString(DefTiDBPartitionPruneMode), } vars.KVVars = kv.NewVariables(&vars.Killed) vars.Concurrency = Concurrency{ @@ -1555,6 +1560,7 @@ type TableDelta struct { Count int64 ColSize map[int64]int64 InitTime time.Time // InitTime is the time that this delta is generated. + TableID int64 } // ConcurrencyUnset means the value the of the concurrency related variable is unset. diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 4cbaaa27910af..bb1314269ba05 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -763,7 +763,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TiDBEnableCollectExecutionInfo, Value: BoolToIntStr(DefTiDBEnableCollectExecutionInfo), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowAutoRandExplicitInsert, Value: boolToOnOff(DefTiDBAllowAutoRandExplicitInsert), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableClusteredIndex, Value: BoolToIntStr(DefTiDBEnableClusteredIndex), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBPartitionPruneMode, Value: string(StaticOnly)}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBPartitionPruneMode, Value: string(StaticOnly), Type: TypeStr}, {Scope: ScopeGlobal, Name: TiDBSlowLogMasking, Value: BoolToIntStr(DefTiDBSlowLogMasking)}, {Scope: ScopeGlobal, Name: TiDBRedactLog, Value: strconv.Itoa(config.DefTiDBRedactLog)}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBShardAllocateStep, Value: strconv.Itoa(DefTiDBShardAllocateStep), Type: TypeInt, MinValue: 1, MaxValue: uint64(math.MaxInt64), AutoConvertOutOfRange: true}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index d05fc43b7dd82..a3f890e7ef017 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -552,6 +552,7 @@ const ( DefTiDBEnableTelemetry = true DefTiDBEnableParallelApply = false DefTiDBEnableAmendPessimisticTxn = true + DefTiDBPartitionPruneMode = "static-only" ) // Process global variables. diff --git a/statistics/handle/ddl.go b/statistics/handle/ddl.go index eaed8e036c7fa..204f387b9e539 100644 --- a/statistics/handle/ddl.go +++ b/statistics/handle/ddl.go @@ -22,6 +22,7 @@ import ( "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/ddl/util" + "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/sqlexec" ) @@ -30,37 +31,54 @@ import ( func (h *Handle) HandleDDLEvent(t *util.Event) error { switch t.Tp { case model.ActionCreateTable, model.ActionTruncateTable: - ids := getPhysicalIDs(t.TableInfo) + ids := h.getInitStateTableIDs(t.TableInfo) for _, id := range ids { if err := h.insertTableStats2KV(t.TableInfo, id); err != nil { return err } } case model.ActionAddColumn, model.ActionAddColumns, model.ActionModifyColumn: - ids := getPhysicalIDs(t.TableInfo) + ids := h.getInitStateTableIDs(t.TableInfo) for _, id := range ids { if err := h.insertColStats2KV(id, t.ColumnInfos); err != nil { return err } } case model.ActionAddTablePartition, model.ActionTruncateTablePartition: - for _, def := range t.PartInfo.Definitions { - if err := h.insertTableStats2KV(t.TableInfo, def.ID); err != nil { - return err + pruneMode := h.CurrentPruneMode() + if pruneMode == variable.StaticOnly || pruneMode == variable.StaticButPrepareDynamic { + for _, def := range t.PartInfo.Definitions { + if err := h.insertTableStats2KV(t.TableInfo, def.ID); err != nil { + return err + } } } + if pruneMode == variable.DynamicOnly || pruneMode == variable.StaticButPrepareDynamic { + // TODO: need trigger full analyze + } + case model.ActionDropTablePartition: + pruneMode := h.CurrentPruneMode() + if pruneMode == variable.DynamicOnly || pruneMode == variable.StaticButPrepareDynamic { + // TODO: need trigger full analyze + } } return nil } -func getPhysicalIDs(tblInfo *model.TableInfo) []int64 { +func (h *Handle) getInitStateTableIDs(tblInfo *model.TableInfo) (ids []int64) { pi := tblInfo.GetPartitionInfo() if pi == nil { return []int64{tblInfo.ID} } - ids := make([]int64, 0, len(pi.Definitions)) - for _, def := range pi.Definitions { - ids = append(ids, def.ID) + ids = make([]int64, 0, len(pi.Definitions)+1) + pruneMode := h.CurrentPruneMode() + if pruneMode == variable.StaticOnly || pruneMode == variable.StaticButPrepareDynamic { + for _, def := range pi.Definitions { + ids = append(ids, def.ID) + } + } + if pruneMode == variable.DynamicOnly || pruneMode == variable.StaticButPrepareDynamic { + ids = append(ids, tblInfo.ID) } return ids } diff --git a/statistics/handle/dump.go b/statistics/handle/dump.go index 18729063b48a9..1ef91f1f4698e 100644 --- a/statistics/handle/dump.go +++ b/statistics/handle/dump.go @@ -21,6 +21,7 @@ import ( "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/sessionctx/stmtctx" + "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/statistics" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/sqlexec" @@ -114,7 +115,7 @@ func dumpJSONCol(hist *statistics.Histogram, CMSketch *statistics.CMSketch) *jso // DumpStatsToJSON dumps statistic to json. func (h *Handle) DumpStatsToJSON(dbName string, tableInfo *model.TableInfo, historyStatsExec sqlexec.RestrictedSQLExecutor) (*JSONTable, error) { pi := tableInfo.GetPartitionInfo() - if pi == nil { + if pi == nil || h.CurrentPruneMode() == variable.DynamicOnly { return h.tableStatsToJSON(dbName, tableInfo, tableInfo.ID, historyStatsExec) } jsonTbl := &JSONTable{ @@ -177,15 +178,12 @@ func (h *Handle) LoadStatsFromJSON(is infoschema.InfoSchema, jsonTbl *JSONTable) } tableInfo := table.Meta() pi := tableInfo.GetPartitionInfo() - if pi == nil { + if pi == nil || jsonTbl.Partitions == nil { err := h.loadStatsFromJSON(tableInfo, tableInfo.ID, jsonTbl) if err != nil { return errors.Trace(err) } } else { - if jsonTbl.Partitions == nil { - return errors.New("No partition statistics") - } for _, def := range pi.Definitions { tbl := jsonTbl.Partitions[def.Name.L] if tbl == nil { diff --git a/statistics/handle/handle.go b/statistics/handle/handle.go index e5f75305def3e..1322068479a11 100644 --- a/statistics/handle/handle.go +++ b/statistics/handle/handle.go @@ -112,7 +112,7 @@ func (h *Handle) Clear() { } // NewHandle creates a Handle for update stats. -func NewHandle(ctx sessionctx.Context, lease time.Duration) *Handle { +func NewHandle(ctx sessionctx.Context, lease time.Duration) (*Handle, error) { handle := &Handle{ ddlEventCh: make(chan *util.Event, 100), listHead: &SessionStatsCollector{mapper: make(tableDeltaMap), rateMap: make(errorRateDeltaMap)}, @@ -128,7 +128,11 @@ func NewHandle(ctx sessionctx.Context, lease time.Duration) *Handle { handle.mu.ctx = ctx handle.mu.rateMap = make(errorRateDeltaMap) handle.statsCache.Store(statsCache{tables: make(map[int64]*statistics.Table)}) - return handle + err := handle.RefreshVars() + if err != nil { + return nil, err + } + return handle, nil } // Lease returns the stats lease. diff --git a/statistics/handle/handle_test.go b/statistics/handle/handle_test.go index 26e0a29e6b48c..e5c3d6e573182 100644 --- a/statistics/handle/handle_test.go +++ b/statistics/handle/handle_test.go @@ -354,7 +354,8 @@ func (s *testStatsSuite) TestVersion(c *C) { tbl1, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t1")) c.Assert(err, IsNil) tableInfo1 := tbl1.Meta() - h := handle.NewHandle(testKit.Se, time.Millisecond) + h, err := handle.NewHandle(testKit.Se, time.Millisecond) + c.Assert(err, IsNil) unit := oracle.ComposeTS(1, 0) testKit.MustExec("update mysql.stats_meta set version = ? where table_id = ?", 2*unit, tableInfo1.ID) diff --git a/statistics/handle/update.go b/statistics/handle/update.go index 28f331761f9fa..38f9b3c70aae2 100644 --- a/statistics/handle/update.go +++ b/statistics/handle/update.go @@ -581,10 +581,10 @@ func (h *Handle) handleSingleHistogramUpdate(is infoschema.InfoSchema, rows []ch return nil } var tbl *statistics.Table - if table.Meta().GetPartitionInfo() != nil { - tbl = h.GetPartitionStats(table.Meta(), physicalTableID) - } else { + if table.Meta().GetPartitionInfo() == nil || h.CurrentPruneMode() == variable.DynamicOnly { tbl = h.GetTableStats(table.Meta()) + } else { + tbl = h.GetPartitionStats(table.Meta(), physicalTableID) } var cms *statistics.CMSketch var hist *statistics.Histogram @@ -736,12 +736,12 @@ func (h *Handle) HandleAutoAnalyze(is infoschema.InfoSchema) { logutil.BgLogger().Error("[stats] parse auto analyze period failed", zap.Error(err)) return } + pruneMode := h.CurrentPruneMode() for _, db := range dbs { tbls := is.SchemaTables(model.NewCIStr(db)) for _, tbl := range tbls { tblInfo := tbl.Meta() pi := tblInfo.GetPartitionInfo() - pruneMode := h.CurrentPruneMode() if pi == nil || pruneMode == variable.DynamicOnly || pruneMode == variable.StaticButPrepareDynamic { statsTbl := h.GetTableStats(tblInfo) sql := "analyze table `" + db + "`.`" + tblInfo.Name.O + "`" @@ -751,7 +751,7 @@ func (h *Handle) HandleAutoAnalyze(is infoschema.InfoSchema) { } continue } - if h.CurrentPruneMode() == variable.StaticOnly || pruneMode == variable.StaticButPrepareDynamic { + if pruneMode == variable.StaticOnly || pruneMode == variable.StaticButPrepareDynamic { for _, def := range pi.Definitions { sql := "analyze table `" + db + "`.`" + tblInfo.Name.O + "`" + " partition `" + def.Name.O + "`" statsTbl := h.GetPartitionStats(tblInfo, def.ID) diff --git a/statistics/handle/update_test.go b/statistics/handle/update_test.go index 25c9b933c7854..4c41057699a65 100644 --- a/statistics/handle/update_test.go +++ b/statistics/handle/update_test.go @@ -321,51 +321,55 @@ func (s *testStatsSuite) TestTxnWithFailure(c *C) { func (s *testStatsSuite) TestUpdatePartition(c *C) { defer cleanEnv(c, s.store, s.do) testKit := testkit.NewTestKit(c, s.store) + testKit.MustQuery("select @@tidb_partition_prune_mode").Check(testkit.Rows(string(s.do.StatsHandle().CurrentPruneMode()))) testKit.MustExec("use test") - testKit.MustExec("drop table if exists t") - createTable := `CREATE TABLE t (a int, b char(5)) PARTITION BY RANGE (a) (PARTITION p0 VALUES LESS THAN (6),PARTITION p1 VALUES LESS THAN (11))` - testKit.MustExec(createTable) - do := s.do - is := do.InfoSchema() - tbl, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) - c.Assert(err, IsNil) - tableInfo := tbl.Meta() - h := do.StatsHandle() - err = h.HandleDDLEvent(<-h.DDLEventCh()) - c.Assert(err, IsNil) - pi := tableInfo.GetPartitionInfo() - c.Assert(len(pi.Definitions), Equals, 2) - bColID := tableInfo.Columns[1].ID + testkit.WithPruneMode(testKit, variable.StaticOnly, func() { + s.do.StatsHandle().RefreshVars() + testKit.MustExec("drop table if exists t") + createTable := `CREATE TABLE t (a int, b char(5)) PARTITION BY RANGE (a) (PARTITION p0 VALUES LESS THAN (6),PARTITION p1 VALUES LESS THAN (11))` + testKit.MustExec(createTable) + do := s.do + is := do.InfoSchema() + tbl, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) + c.Assert(err, IsNil) + tableInfo := tbl.Meta() + h := do.StatsHandle() + err = h.HandleDDLEvent(<-h.DDLEventCh()) + c.Assert(err, IsNil) + pi := tableInfo.GetPartitionInfo() + c.Assert(len(pi.Definitions), Equals, 2) + bColID := tableInfo.Columns[1].ID - testKit.MustExec(`insert into t values (1, "a"), (7, "a")`) - c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) - c.Assert(h.Update(is), IsNil) - for _, def := range pi.Definitions { - statsTbl := h.GetPartitionStats(tableInfo, def.ID) - c.Assert(statsTbl.ModifyCount, Equals, int64(1)) - c.Assert(statsTbl.Count, Equals, int64(1)) - c.Assert(statsTbl.Columns[bColID].TotColSize, Equals, int64(2)) - } + testKit.MustExec(`insert into t values (1, "a"), (7, "a")`) + c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) + c.Assert(h.Update(is), IsNil) + for _, def := range pi.Definitions { + statsTbl := h.GetPartitionStats(tableInfo, def.ID) + c.Assert(statsTbl.ModifyCount, Equals, int64(1)) + c.Assert(statsTbl.Count, Equals, int64(1)) + c.Assert(statsTbl.Columns[bColID].TotColSize, Equals, int64(2)) + } - testKit.MustExec(`update t set a = a + 1, b = "aa"`) - c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) - c.Assert(h.Update(is), IsNil) - for _, def := range pi.Definitions { - statsTbl := h.GetPartitionStats(tableInfo, def.ID) - c.Assert(statsTbl.ModifyCount, Equals, int64(2)) - c.Assert(statsTbl.Count, Equals, int64(1)) - c.Assert(statsTbl.Columns[bColID].TotColSize, Equals, int64(3)) - } + testKit.MustExec(`update t set a = a + 1, b = "aa"`) + c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) + c.Assert(h.Update(is), IsNil) + for _, def := range pi.Definitions { + statsTbl := h.GetPartitionStats(tableInfo, def.ID) + c.Assert(statsTbl.ModifyCount, Equals, int64(2)) + c.Assert(statsTbl.Count, Equals, int64(1)) + c.Assert(statsTbl.Columns[bColID].TotColSize, Equals, int64(3)) + } - testKit.MustExec("delete from t") - c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) - c.Assert(h.Update(is), IsNil) - for _, def := range pi.Definitions { - statsTbl := h.GetPartitionStats(tableInfo, def.ID) - c.Assert(statsTbl.ModifyCount, Equals, int64(3)) - c.Assert(statsTbl.Count, Equals, int64(0)) - c.Assert(statsTbl.Columns[bColID].TotColSize, Equals, int64(0)) - } + testKit.MustExec("delete from t") + c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) + c.Assert(h.Update(is), IsNil) + for _, def := range pi.Definitions { + statsTbl := h.GetPartitionStats(tableInfo, def.ID) + c.Assert(statsTbl.ModifyCount, Equals, int64(3)) + c.Assert(statsTbl.Count, Equals, int64(0)) + c.Assert(statsTbl.Columns[bColID].TotColSize, Equals, int64(0)) + } + }) } func (s *testStatsSuite) TestAutoUpdate(c *C) { diff --git a/table/tables/tables.go b/table/tables/tables.go index 53ebde58dcf52..67eb1e9723fdb 100644 --- a/table/tables/tables.go +++ b/table/tables/tables.go @@ -442,7 +442,7 @@ func (t *TableCommon) UpdateRecord(ctx context.Context, sctx sessionctx.Context, oldLen := size - 1 colSize[col.ID] = int64(newLen - oldLen) } - sessVars.TxnCtx.UpdateDeltaForTable(t.physicalTableID, 0, 1, colSize) + sessVars.TxnCtx.UpdateDeltaForTable(t.tableID, t.physicalTableID, 0, 1, colSize, sessVars.UseDynamicPartitionPrune()) return nil } @@ -786,7 +786,7 @@ func (t *TableCommon) AddRecord(sctx sessionctx.Context, r []types.Datum, opts . } colSize[col.ID] = int64(size) - 1 } - sessVars.TxnCtx.UpdateDeltaForTable(t.physicalTableID, 1, 1, colSize) + sessVars.TxnCtx.UpdateDeltaForTable(t.tableID, t.physicalTableID, 1, 1, colSize, sessVars.UseDynamicPartitionPrune()) return recordID, nil } @@ -1011,7 +1011,7 @@ func (t *TableCommon) RemoveRecord(ctx sessionctx.Context, h kv.Handle, r []type } colSize[col.ID] = -int64(size - 1) } - ctx.GetSessionVars().TxnCtx.UpdateDeltaForTable(t.physicalTableID, -1, 1, colSize) + ctx.GetSessionVars().TxnCtx.UpdateDeltaForTable(t.tableID, t.physicalTableID, -1, 1, colSize, ctx.GetSessionVars().UseDynamicPartitionPrune()) return err } From 3d4016fe467e2d8e1ee61fb18faa9145d8555ce4 Mon Sep 17 00:00:00 2001 From: crazycs Date: Wed, 14 Oct 2020 16:35:31 +0800 Subject: [PATCH 0024/1021] *: change file mode to 0644 (#20443) Signed-off-by: crazycs520 --- executor/analyze.go | 0 executor/split.go | 0 expression/integration_test.go | 0 expression/scalar_function.go | 0 expression/scalar_function_test.go | 0 infoschema/tables.go | 0 meta/autoid/autoid.go | 0 server/http_handler.go | 0 8 files changed, 0 insertions(+), 0 deletions(-) mode change 100755 => 100644 executor/analyze.go mode change 100755 => 100644 executor/split.go mode change 100755 => 100644 expression/integration_test.go mode change 100755 => 100644 expression/scalar_function.go mode change 100755 => 100644 expression/scalar_function_test.go mode change 100755 => 100644 infoschema/tables.go mode change 100755 => 100644 meta/autoid/autoid.go mode change 100755 => 100644 server/http_handler.go diff --git a/executor/analyze.go b/executor/analyze.go old mode 100755 new mode 100644 diff --git a/executor/split.go b/executor/split.go old mode 100755 new mode 100644 diff --git a/expression/integration_test.go b/expression/integration_test.go old mode 100755 new mode 100644 diff --git a/expression/scalar_function.go b/expression/scalar_function.go old mode 100755 new mode 100644 diff --git a/expression/scalar_function_test.go b/expression/scalar_function_test.go old mode 100755 new mode 100644 diff --git a/infoschema/tables.go b/infoschema/tables.go old mode 100755 new mode 100644 diff --git a/meta/autoid/autoid.go b/meta/autoid/autoid.go old mode 100755 new mode 100644 diff --git a/server/http_handler.go b/server/http_handler.go old mode 100755 new mode 100644 From 79711ad6b8f0e2a190db97ecb4012745714a2f40 Mon Sep 17 00:00:00 2001 From: Arenatlx Date: Wed, 14 Oct 2020 17:06:11 +0800 Subject: [PATCH 0025/1021] ddl: support alter sequence (#20405) --- ddl/ddl.go | 1 + ddl/ddl_api.go | 43 ++++++++++++++ ddl/ddl_worker.go | 2 + ddl/sequence.go | 108 ++++++++++++++++++++++++++++++++++++ ddl/sequence_test.go | 85 ++++++++++++++++++++++++++++ executor/ddl.go | 7 ++- go.mod | 2 +- go.sum | 4 +- infoschema/builder.go | 4 +- meta/meta.go | 16 ++++++ planner/core/planbuilder.go | 7 +++ 11 files changed, 274 insertions(+), 5 deletions(-) diff --git a/ddl/ddl.go b/ddl/ddl.go index a764d51e0b755..096437fd40f60 100644 --- a/ddl/ddl.go +++ b/ddl/ddl.go @@ -110,6 +110,7 @@ type DDL interface { RepairTable(ctx sessionctx.Context, table *ast.TableName, createStmt *ast.CreateTableStmt) error CreateSequence(ctx sessionctx.Context, stmt *ast.CreateSequenceStmt) error DropSequence(ctx sessionctx.Context, tableIdent ast.Ident, ifExists bool) (err error) + AlterSequence(ctx sessionctx.Context, stmt *ast.AlterSequenceStmt) error // CreateSchemaWithInfo creates a database (schema) given its database info. // diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 6d11db1dd3fae..232ece09ec22e 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -5319,6 +5319,49 @@ func (d *ddl) CreateSequence(ctx sessionctx.Context, stmt *ast.CreateSequenceStm return d.CreateTableWithInfo(ctx, ident.Schema, tbInfo, onExist, false /*tryRetainID*/) } +func (d *ddl) AlterSequence(ctx sessionctx.Context, stmt *ast.AlterSequenceStmt) error { + ident := ast.Ident{Name: stmt.Name.Name, Schema: stmt.Name.Schema} + is := d.GetInfoSchemaWithInterceptor(ctx) + // Check schema existence. + db, ok := is.SchemaByName(ident.Schema) + if !ok { + return infoschema.ErrDatabaseNotExists.GenWithStackByArgs(ident.Schema) + } + // Check table existence. + tbl, err := is.TableByName(ident.Schema, ident.Name) + if err != nil { + if stmt.IfExists { + ctx.GetSessionVars().StmtCtx.AppendNote(err) + return nil + } + return err + } + if !tbl.Meta().IsSequence() { + return ErrWrongObject.GenWithStackByArgs(ident.Schema, ident.Name, "SEQUENCE") + } + + // Validate the new sequence option value in old sequenceInfo. + oldSequenceInfo := tbl.Meta().Sequence + copySequenceInfo := *oldSequenceInfo + _, _, err = alterSequenceOptions(stmt.SeqOptions, ident, ©SequenceInfo) + if err != nil { + return err + } + + job := &model.Job{ + SchemaID: db.ID, + TableID: tbl.Meta().ID, + SchemaName: db.Name.L, + Type: model.ActionAlterSequence, + BinlogInfo: &model.HistoryInfo{}, + Args: []interface{}{ident, stmt.SeqOptions}, + } + + err = d.doDDLJob(ctx, job) + err = d.callHookOnChanged(err) + return errors.Trace(err) +} + func (d *ddl) DropSequence(ctx sessionctx.Context, ti ast.Ident, ifExists bool) (err error) { schema, tbl, err := d.getSchemaAndTableByIdent(ctx, ti) if err != nil { diff --git a/ddl/ddl_worker.go b/ddl/ddl_worker.go index 1a7c60ba9ae75..d135e701ac88d 100644 --- a/ddl/ddl_worker.go +++ b/ddl/ddl_worker.go @@ -685,6 +685,8 @@ func (w *worker) runDDLJob(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, ver, err = onAlterIndexVisibility(t, job) case model.ActionAlterTableAlterPartition: ver, err = onAlterTablePartition(t, job) + case model.ActionAlterSequence: + ver, err = onAlterSequence(t, job) default: // Invalid job, cancel it. job.State = model.JobStateCancelled diff --git a/ddl/sequence.go b/ddl/sequence.go index ce7b0bdcdd229..c7aa6c47f8507 100644 --- a/ddl/sequence.go +++ b/ddl/sequence.go @@ -15,6 +15,7 @@ package ddl import ( "math" + "reflect" "github.com/cznic/mathutil" "github.com/pingcap/errors" @@ -183,3 +184,110 @@ func buildSequenceInfo(stmt *ast.CreateSequenceStmt, ident ast.Ident) (*model.Se } return sequenceInfo, nil } + +func alterSequenceOptions(sequenceOptions []*ast.SequenceOption, ident ast.Ident, oldSequence *model.SequenceInfo) (bool, int64, error) { + var ( + restartFlag bool + restartWithFlag bool + restartValue int64 + ) + // Override the old sequence value with new option. + for _, op := range sequenceOptions { + switch op.Tp { + case ast.SequenceOptionIncrementBy: + oldSequence.Increment = op.IntValue + case ast.SequenceStartWith: + oldSequence.Start = op.IntValue + case ast.SequenceMinValue: + oldSequence.MinValue = op.IntValue + case ast.SequenceMaxValue: + oldSequence.MaxValue = op.IntValue + case ast.SequenceCache: + oldSequence.CacheValue = op.IntValue + case ast.SequenceNoCache: + oldSequence.Cache = false + case ast.SequenceCycle: + oldSequence.Cycle = true + case ast.SequenceNoCycle: + oldSequence.Cycle = false + case ast.SequenceRestart: + restartFlag = true + case ast.SequenceRestartWith: + restartWithFlag = true + restartValue = op.IntValue + } + } + if !validateSequenceOptions(oldSequence) { + return false, 0, ErrSequenceInvalidData.GenWithStackByArgs(ident.Schema.L, ident.Name.L) + } + if restartWithFlag { + return true, restartValue, nil + } + if restartFlag { + return true, oldSequence.Start, nil + } + return false, 0, nil +} + +func onAlterSequence(t *meta.Meta, job *model.Job) (ver int64, _ error) { + schemaID := job.SchemaID + var ( + sequenceOpts []*ast.SequenceOption + ident ast.Ident + ) + if err := job.DecodeArgs(&ident, &sequenceOpts); err != nil { + // Invalid arguments, cancel this job. + job.State = model.JobStateCancelled + return ver, errors.Trace(err) + } + + // Get the old tableInfo. + tblInfo, err := checkTableExistAndCancelNonExistJob(t, job, schemaID) + if err != nil { + return ver, errors.Trace(err) + } + + // Substitute the sequence info. + copySequenceInfo := *tblInfo.Sequence + restart, restartValue, err := alterSequenceOptions(sequenceOpts, ident, ©SequenceInfo) + if err != nil { + job.State = model.JobStateCancelled + return ver, errors.Trace(err) + } + shouldUpdateVer := !reflect.DeepEqual(*tblInfo.Sequence, copySequenceInfo) || restart + tblInfo.Sequence = ©SequenceInfo + + // Restart the sequence value. + // Notice: during the alter sequence process, if there is some dml continually consumes sequence (nextval/setval), + // the below cases will occur: + // Since the table schema haven't been refreshed in local/other node, dml will still use old definition of sequence + // to allocate sequence ids. Once the restart value is updated to kv here, the allocated ids in the upper layer won't + // guarantee to be consecutive and monotonous. + if restart { + err := restartSequenceValue(t, schemaID, tblInfo, restartValue) + if err != nil { + return ver, errors.Trace(err) + } + } + + // Store the sequence info into kv. + ver, err = updateVersionAndTableInfo(t, job, tblInfo, shouldUpdateVer) + if err != nil { + return ver, errors.Trace(err) + } + // Finish this job. + job.FinishTableJob(model.JobStateDone, model.StatePublic, ver, tblInfo) + return ver, nil +} + +// Like setval does, restart sequence value won't affect current the step frequency. It will look backward for +// the first valid sequence valid rather than return the restart value directly. +func restartSequenceValue(t *meta.Meta, dbID int64, tblInfo *model.TableInfo, seqValue int64) error { + var sequenceBase int64 + if tblInfo.Sequence.Increment >= 0 { + sequenceBase = seqValue - 1 + } else { + sequenceBase = seqValue + 1 + } + return t.RestartSequenceValue(dbID, tblInfo, sequenceBase) +} diff --git a/ddl/sequence_test.go b/ddl/sequence_test.go index 31b41c2bd7d00..f46da112888df 100644 --- a/ddl/sequence_test.go +++ b/ddl/sequence_test.go @@ -74,6 +74,7 @@ func (s *testSequenceSuite) TestCreateSequence(c *C) { c.Assert(sequenceTable.Meta().Sequence.Cycle, Equals, false) // Test create privilege. + tk.MustExec("drop user if exists myuser@localhost") tk.MustExec("create user myuser@localhost") tk1 := testkit.NewTestKit(c, s.store) @@ -989,3 +990,87 @@ func (s *testSequenceSuite) TestSequenceCacheShouldNotBeNegative(c *C) { tk.MustExec("create sequence seq cache 1") } + +func (s *testSequenceSuite) TestAlterSequence(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + + tk.MustExec("drop sequence if exists seq") + tk.MustExec("create sequence seq") + tk.MustExec("alter sequence seq increment by 2 start with 2") + tk.MustQuery("show create sequence seq").Check(testkit.Rows("seq CREATE SEQUENCE `seq` " + + "start with 2 minvalue 1 maxvalue 9223372036854775806 increment by 2 cache 1000 nocycle ENGINE=InnoDB")) + + tk.MustExec("drop sequence if exists seq") + tk.MustExec("create sequence seq") + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("1")) + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("2")) + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("3")) + // Alter sequence will invalidate the sequence cache in memory. + tk.MustExec("alter sequence seq increment by 2") + tk.MustQuery("show create sequence seq").Check(testkit.Rows("seq CREATE SEQUENCE `seq` " + + "start with 1 minvalue 1 maxvalue 9223372036854775806 increment by 2 cache 1000 nocycle ENGINE=InnoDB")) + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("1001")) + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("1003")) + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("1005")) + + // Restart with value will reset the sequence value in kv. + tk.MustExec("alter sequence seq restart with 9") + // Like setval does, the sequence current value change won't affect the increment frequency. + // By now the step frequency is: 1, 3, 5, 7, 9, 11, 13, 15... + // After restart with 9, the current value rebased to 8, the next valid value will be 9, coincidentally equal to what we restarted. + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("9")) + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("11")) + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("13")) + + tk.MustExec("alter sequence seq restart with 10") + // After restart with 10, the current value rebased to 9, the next valid value will be 11, rather than what we restart. + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("11")) + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("13")) + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("15")) + + // Restart will reset the sequence value to start value by default. + tk.MustExec("alter sequence seq restart") + // After restart, the base will be pointed to 0, the first value will be 1 here, then plus the increment 2, the second value will be 3. + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("1")) + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("3")) + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("5")) + + tk.MustExec("drop sequence if exists seq") + tk.MustExec("create sequence seq increment by 3") + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("1")) + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("4")) + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("7")) + + tk.MustExec("alter sequence seq increment by 4") + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("3001")) + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("3005")) + tk.MustQuery("select nextval(seq)").Check(testkit.Rows("3009")) + tk.MustExec("drop sequence if exists seq") +} + +func (s *testSequenceSuite) TestAlterSequencePrivilege(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop sequence if exists my_seq") + tk.MustExec("create sequence my_seq") + + // Test create privilege. + tk.MustExec("drop user if exists myuser@localhost") + tk.MustExec("create user myuser@localhost") + + tk1 := testkit.NewTestKit(c, s.store) + se, err := session.CreateSession4Test(s.store) + c.Assert(err, IsNil) + c.Assert(se.Auth(&auth.UserIdentity{Username: "myuser", Hostname: "localhost"}, nil, nil), IsTrue) + tk1.Se = se + + // grant the myuser the access to database test. + tk.MustExec("grant select on test.* to 'myuser'@'localhost'") + + tk1.MustExec("use test") + _, err = tk1.Exec("alter sequence my_seq increment = 2") + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "[planner:1142]ALTER command denied to user 'myuser'@'localhost' for table 'my_seq'") + tk.MustExec("drop sequence if exists my_seq") +} diff --git a/executor/ddl.go b/executor/ddl.go index ae2d685a65ccf..e731d658c5d36 100644 --- a/executor/ddl.go +++ b/executor/ddl.go @@ -122,7 +122,8 @@ func (e *DDLExec) Next(ctx context.Context, req *chunk.Chunk) (err error) { err = e.executeCreateSequence(x) case *ast.DropSequenceStmt: err = e.executeDropSequence(x) - + case *ast.AlterSequenceStmt: + err = e.executeAlterSequence(x) } if err != nil { // If the owner return ErrTableNotExists error when running this DDL, it may be caused by schema changed, @@ -608,3 +609,7 @@ func (e *DDLExec) executeRepairTable(s *ast.RepairTableStmt) error { func (e *DDLExec) executeCreateSequence(s *ast.CreateSequenceStmt) error { return domain.GetDomain(e.ctx).DDL().CreateSequence(e.ctx, s) } + +func (e *DDLExec) executeAlterSequence(s *ast.AlterSequenceStmt) error { + return domain.GetDomain(e.ctx).DDL().AlterSequence(e.ctx, s) +} diff --git a/go.mod b/go.mod index 0e9a5d9862796..fd896eade4824 100644 --- a/go.mod +++ b/go.mod @@ -36,7 +36,7 @@ require ( github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20200828054126-d677e6fd224a github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 - github.com/pingcap/parser v0.0.0-20200929032957-9678b2b7cefb + github.com/pingcap/parser v0.0.0-20201014065945-fb6bde872a79 github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible github.com/pingcap/tipb v0.0.0-20200618092958-4fad48b4c8c3 diff --git a/go.sum b/go.sum index 2d099823f7f0a..e250cefda157b 100644 --- a/go.sum +++ b/go.sum @@ -507,8 +507,8 @@ github.com/pingcap/parser v0.0.0-20200730092557-34a468e9b774/go.mod h1:vQdbJqobJ github.com/pingcap/parser v0.0.0-20200731033026-84f62115187c/go.mod h1:vQdbJqobJAgFyiRNNtXahpMoGWwPEuWciVEK5A20NS0= github.com/pingcap/parser v0.0.0-20200813083329-a4bff035d3e2/go.mod h1:vQdbJqobJAgFyiRNNtXahpMoGWwPEuWciVEK5A20NS0= github.com/pingcap/parser v0.0.0-20200821073936-cf85e80665c4/go.mod h1:vQdbJqobJAgFyiRNNtXahpMoGWwPEuWciVEK5A20NS0= -github.com/pingcap/parser v0.0.0-20200929032957-9678b2b7cefb h1:Nlswd41UZDaedHNysE/lb8dc3EpmWAApf480qU2N3nU= -github.com/pingcap/parser v0.0.0-20200929032957-9678b2b7cefb/go.mod h1:RlLfMRJwFBSiXd2lUaWdV5pSXtrpyvZM8k5bbZWsheU= +github.com/pingcap/parser v0.0.0-20201014065945-fb6bde872a79 h1:Dcxi/lDJ6C3M5ocRbhR66MBDMmqFkPVt/Y79DVb5QR8= +github.com/pingcap/parser v0.0.0-20201014065945-fb6bde872a79/go.mod h1:RlLfMRJwFBSiXd2lUaWdV5pSXtrpyvZM8k5bbZWsheU= github.com/pingcap/pd/v4 v4.0.0-rc.1.0.20200422143320-428acd53eba2/go.mod h1:s+utZtXDznOiL24VK0qGmtoHjjXNsscJx3m1n8cC56s= github.com/pingcap/pd/v4 v4.0.0-rc.2.0.20200520083007-2c251bd8f181/go.mod h1:q4HTx/bA8aKBa4S7L+SQKHvjRPXCRV0tA0yRw0qkZSA= github.com/pingcap/pd/v4 v4.0.0-rc.2.0.20200714122454-1a64f969cb3c/go.mod h1:v/dY4mVkt3dh/Liphhk0E4ScOkZpIk0m0GvWJ9FapDs= diff --git a/infoschema/builder.go b/infoschema/builder.go index 146dd6298b764..deff4979a8b21 100644 --- a/infoschema/builder.go +++ b/infoschema/builder.go @@ -83,7 +83,9 @@ func (b *Builder) ApplyDiff(m *meta.Meta, diff *model.SchemaDiff) ([]int64, erro // For normal node's information schema, repaired table is existed. // For repair node's information schema, repaired table is filtered (couldn't find it in `is`). // So here skip to reserve the allocators when repairing table. - diff.Type != model.ActionRepairTable { + diff.Type != model.ActionRepairTable && + // Alter sequence will change the sequence info in the allocator, so the old allocator is not valid any more. + diff.Type != model.ActionAlterSequence { oldAllocs, _ := b.is.AllocByID(oldTableID) allocs = filterAllocators(diff, oldAllocs) } diff --git a/meta/meta.go b/meta/meta.go index 539a39f1cb730..7d559d11d6ff1 100644 --- a/meta/meta.go +++ b/meta/meta.go @@ -381,6 +381,22 @@ func (m *Meta) CreateSequenceAndSetSeqValue(dbID int64, tableInfo *model.TableIn return errors.Trace(err) } +// RestartSequenceValue resets the the sequence value. +func (m *Meta) RestartSequenceValue(dbID int64, tableInfo *model.TableInfo, seqValue int64) error { + // Check if db exists. + dbKey := m.dbKey(dbID) + if err := m.checkDBExists(dbKey); err != nil { + return errors.Trace(err) + } + + // Check if table exists. + tableKey := m.tableKey(tableInfo.ID) + if err := m.checkTableExists(dbKey, tableKey); err != nil { + return errors.Trace(err) + } + return errors.Trace(m.txn.HSet(m.dbKey(dbID), m.sequenceKey(tableInfo.ID), []byte(strconv.FormatInt(seqValue, 10)))) +} + // DropDatabase drops whole database. func (m *Meta) DropDatabase(dbID int64) error { // Check if db exists. diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index 3b77a3daaa02f..9873208a81bd1 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -3001,6 +3001,13 @@ func (b *PlanBuilder) buildDDL(ctx context.Context, node ast.DDLNode) (Plan, err v.Table.Name.L, "", authErr) } } + case *ast.AlterSequenceStmt: + if b.ctx.GetSessionVars().User != nil { + authErr = ErrTableaccessDenied.GenWithStackByArgs("ALTER", b.ctx.GetSessionVars().User.AuthUsername, + b.ctx.GetSessionVars().User.AuthHostname, v.Name.Name.L) + } + b.visitInfo = appendVisitInfo(b.visitInfo, mysql.AlterPriv, v.Name.Schema.L, + v.Name.Name.L, "", authErr) case *ast.CreateDatabaseStmt: if b.ctx.GetSessionVars().User != nil { authErr = ErrDBaccessDenied.GenWithStackByArgs(b.ctx.GetSessionVars().User.AuthUsername, From 5996c5681c9715f2295892fc3a282f3d26daf3f6 Mon Sep 17 00:00:00 2001 From: Alkaid Jiang <38248129+jyz0309@users.noreply.github.com> Date: Wed, 14 Oct 2020 17:27:07 +0800 Subject: [PATCH 0026/1021] =?UTF-8?q?*:=20Support=20query=20backoff=20deta?= =?UTF-8?q?il=20in=20SLOW=5FQUERY=20and=20add=20runtime=20stats=20columns?= =?UTF-8?q?=20to=20STATEMENTS=5FSUMMARY=E3=80=81SLOW=5FQUERY=20(#20300)?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- executor/adapter.go | 53 ++++++++++++---------- executor/slow_query.go | 40 ++++++++++++++++ executor/slow_query_test.go | 11 ++++- infoschema/tables.go | 11 +++++ infoschema/tables_test.go | 4 +- sessionctx/variable/session.go | 2 + util/stmtsummary/statement_summary.go | 27 +++++++++-- util/stmtsummary/statement_summary_test.go | 3 +- 8 files changed, 119 insertions(+), 32 deletions(-) diff --git a/executor/adapter.go b/executor/adapter.go index 2c8ff3c1a6a4d..49742861dd24f 100644 --- a/executor/adapter.go +++ b/executor/adapter.go @@ -1041,30 +1041,37 @@ func (a *ExecStmt) SummaryStmt(succ bool) { memMax := stmtCtx.MemTracker.MaxConsumed() diskMax := stmtCtx.DiskTracker.MaxConsumed() sql := a.GetTextToLog() + var stmtDetail execdetails.StmtExecDetails + stmtDetailRaw := a.GoCtx.Value(execdetails.StmtExecDetailKey) + if stmtDetailRaw != nil { + stmtDetail = *(stmtDetailRaw.(*execdetails.StmtExecDetails)) + } stmtExecInfo := &stmtsummary.StmtExecInfo{ - SchemaName: strings.ToLower(sessVars.CurrentDB), - OriginalSQL: sql, - NormalizedSQL: normalizedSQL, - Digest: digest, - PrevSQL: prevSQL, - PrevSQLDigest: prevSQLDigest, - PlanGenerator: planGenerator, - PlanDigest: planDigest, - PlanDigestGen: planDigestGen, - User: userString, - TotalLatency: costTime, - ParseLatency: sessVars.DurationParse, - CompileLatency: sessVars.DurationCompile, - StmtCtx: stmtCtx, - CopTasks: copTaskInfo, - ExecDetail: &execDetail, - MemMax: memMax, - DiskMax: diskMax, - StartTime: sessVars.StartTime, - IsInternal: sessVars.InRestrictedSQL, - Succeed: succ, - PlanInCache: sessVars.FoundInPlanCache, - ExecRetryCount: a.retryCount, + SchemaName: strings.ToLower(sessVars.CurrentDB), + OriginalSQL: sql, + NormalizedSQL: normalizedSQL, + Digest: digest, + PrevSQL: prevSQL, + PrevSQLDigest: prevSQLDigest, + PlanGenerator: planGenerator, + PlanDigest: planDigest, + PlanDigestGen: planDigestGen, + User: userString, + TotalLatency: costTime, + ParseLatency: sessVars.DurationParse, + CompileLatency: sessVars.DurationCompile, + StmtCtx: stmtCtx, + CopTasks: copTaskInfo, + ExecDetail: &execDetail, + MemMax: memMax, + DiskMax: diskMax, + StartTime: sessVars.StartTime, + IsInternal: sessVars.InRestrictedSQL, + Succeed: succ, + PlanInCache: sessVars.FoundInPlanCache, + ExecRetryCount: a.retryCount, + StmtExecDetails: stmtDetail, + Prepared: a.isPreparedStmt, } if a.retryCount > 0 { stmtExecInfo.ExecRetryTime = costTime - sessVars.DurationParse - sessVars.DurationCompile - time.Since(a.retryStartTime) diff --git a/executor/slow_query.go b/executor/slow_query.go index ca573c6370510..3c41b5f136593 100755 --- a/executor/slow_query.go +++ b/executor/slow_query.go @@ -379,6 +379,15 @@ func (e *slowQueryRetriever) parseLog(ctx sessionctx.Context, log []string, offs if !valid { startFlag = false } + } else if strings.HasPrefix(line, variable.SlowLogCopBackoffPrefix) { + valid, err := st.setFieldValue(tz, variable.SlowLogBackoffDetail, line, fileLine, e.checker) + if err != nil { + ctx.GetSessionVars().StmtCtx.AppendWarning(err) + continue + } + if !valid { + startFlag = false + } } else { fieldValues := strings.Split(line, " ") for i := 0; i < len(fieldValues)-1; i += 2 { @@ -476,8 +485,14 @@ type slowQueryTuple struct { isInternal bool succ bool planFromCache bool + prepared bool + kvTotal float64 + pdTotal float64 + backoffTotal float64 + writeSQLRespTotal float64 plan string planDigest string + backoffDetail string } func (st *slowQueryTuple) setFieldValue(tz *time.Location, field, value string, lineNum int, checker *slowLogChecker) (valid bool, err error) { @@ -621,12 +636,27 @@ func (st *slowQueryTuple) setFieldValue(tz *time.Location, field, value string, st.sql = value case variable.SlowLogDiskMax: st.diskMax, err = strconv.ParseInt(value, 10, 64) + case variable.SlowLogKVTotal: + st.kvTotal, err = strconv.ParseFloat(value, 64) + case variable.SlowLogPDTotal: + st.pdTotal, err = strconv.ParseFloat(value, 64) + case variable.SlowLogBackoffTotal: + st.backoffTotal, err = strconv.ParseFloat(value, 64) + case variable.SlowLogWriteSQLRespTotal: + st.writeSQLRespTotal, err = strconv.ParseFloat(value, 64) + case variable.SlowLogPrepared: + st.prepared, err = strconv.ParseBool(value) case variable.SlowLogRewriteTimeStr: st.rewriteTime, err = strconv.ParseFloat(value, 64) case variable.SlowLogPreprocSubQueriesStr: st.preprocSubqueries, err = strconv.ParseUint(value, 10, 64) case variable.SlowLogPreProcSubQueryTimeStr: st.preprocSubQueryTime, err = strconv.ParseFloat(value, 64) + case variable.SlowLogBackoffDetail: + if len(st.backoffDetail) > 0 { + st.backoffDetail += " " + } + st.backoffDetail += value } if err != nil { return valid, fmt.Errorf("Parse slow log at line " + strconv.FormatInt(int64(lineNum), 10) + " failed. Field: `" + field + "`, error: " + err.Error()) @@ -687,6 +717,16 @@ func (st *slowQueryTuple) convertToDatumRow() []types.Datum { record = append(record, types.NewStringDatum(st.maxWaitAddress)) record = append(record, types.NewIntDatum(st.memMax)) record = append(record, types.NewIntDatum(st.diskMax)) + record = append(record, types.NewFloat64Datum(st.kvTotal)) + record = append(record, types.NewFloat64Datum(st.pdTotal)) + record = append(record, types.NewFloat64Datum(st.backoffTotal)) + record = append(record, types.NewFloat64Datum(st.writeSQLRespTotal)) + record = append(record, types.NewStringDatum(st.backoffDetail)) + if st.prepared { + record = append(record, types.NewIntDatum(1)) + } else { + record = append(record, types.NewIntDatum(0)) + } if st.succ { record = append(record, types.NewIntDatum(1)) } else { diff --git a/executor/slow_query_test.go b/executor/slow_query_test.go index c6447cee540c1..7698531fd8aaf 100644 --- a/executor/slow_query_test.go +++ b/executor/slow_query_test.go @@ -100,6 +100,9 @@ func (s *testExecSuite) TestParseSlowLogFile(c *C) { # Stats: t1:1,t2:2 # Cop_proc_avg: 0.1 Cop_proc_p90: 0.2 Cop_proc_max: 0.03 Cop_proc_addr: 127.0.0.1:20160 # Cop_wait_avg: 0.05 Cop_wait_p90: 0.6 Cop_wait_max: 0.8 Cop_wait_addr: 0.0.0.0:20160 +# Cop_backoff_regionMiss_total_times: 200 Cop_backoff_regionMiss_total_time: 0.2 Cop_backoff_regionMiss_max_time: 0.2 Cop_backoff_regionMiss_max_addr: 127.0.0.1 Cop_backoff_regionMiss_avg_time: 0.2 Cop_backoff_regionMiss_p90_time: 0.2 +# Cop_backoff_rpcPD_total_times: 200 Cop_backoff_rpcPD_total_time: 0.2 Cop_backoff_rpcPD_max_time: 0.2 Cop_backoff_rpcPD_max_addr: 127.0.0.1 Cop_backoff_rpcPD_avg_time: 0.2 Cop_backoff_rpcPD_p90_time: 0.2 +# Cop_backoff_rpcTiKV_total_times: 200 Cop_backoff_rpcTiKV_total_time: 0.2 Cop_backoff_rpcTiKV_max_time: 0.2 Cop_backoff_rpcTiKV_max_addr: 127.0.0.1 Cop_backoff_rpcTiKV_avg_time: 0.2 Cop_backoff_rpcTiKV_p90_time: 0.2 # Mem_max: 70724 # Disk_max: 65536 # Plan_from_cache: true @@ -125,7 +128,13 @@ select * from t;` } recordString += str } - expectRecordString := "2019-04-28 15:24:04.309074,405888132465033227,root,localhost,0,57,0.12,0.216905,0,0,0,0,0,0,0,0,0,0,0,0,,0,0,0,0,0,0,0.38,0.021,0,0,0,1,637,0,,,1,42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772,t1:1,t2:2,0.1,0.2,0.03,127.0.0.1:20160,0.05,0.6,0.8,0.0.0.0:20160,70724,65536,0,1,,60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4,update t set i = 1;,select * from t;" + expectRecordString := `2019-04-28 15:24:04.309074,` + + `405888132465033227,root,localhost,0,57,0.12,0.216905,` + + `0,0,0,0,0,0,0,0,0,0,0,0,,0,0,0,0,0,0,0.38,0.021,0,0,0,1,637,0,,,1,42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772,t1:1,t2:2,` + + `0.1,0.2,0.03,127.0.0.1:20160,0.05,0.6,0.8,0.0.0.0:20160,70724,65536,0,0,0,0,` + + `Cop_backoff_regionMiss_total_times: 200 Cop_backoff_regionMiss_total_time: 0.2 Cop_backoff_regionMiss_max_time: 0.2 Cop_backoff_regionMiss_max_addr: 127.0.0.1 Cop_backoff_regionMiss_avg_time: 0.2 Cop_backoff_regionMiss_p90_time: 0.2 Cop_backoff_rpcPD_total_times: 200 Cop_backoff_rpcPD_total_time: 0.2 Cop_backoff_rpcPD_max_time: 0.2 Cop_backoff_rpcPD_max_addr: 127.0.0.1 Cop_backoff_rpcPD_avg_time: 0.2 Cop_backoff_rpcPD_p90_time: 0.2 Cop_backoff_rpcTiKV_total_times: 200 Cop_backoff_rpcTiKV_total_time: 0.2 Cop_backoff_rpcTiKV_max_time: 0.2 Cop_backoff_rpcTiKV_max_addr: 127.0.0.1 Cop_backoff_rpcTiKV_avg_time: 0.2 Cop_backoff_rpcTiKV_p90_time: 0.2,` + + `0,0,1,,60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4,` + + `update t set i = 1;,select * from t;` c.Assert(expectRecordString, Equals, recordString) // fix sql contain '# ' bug diff --git a/infoschema/tables.go b/infoschema/tables.go index 91fedafc7e52b..760a8f4fceb6a 100644 --- a/infoschema/tables.go +++ b/infoschema/tables.go @@ -765,6 +765,12 @@ var slowQueryCols = []columnInfo{ {name: variable.SlowLogCopWaitAddr, tp: mysql.TypeVarchar, size: 64}, {name: variable.SlowLogMemMax, tp: mysql.TypeLonglong, size: 20}, {name: variable.SlowLogDiskMax, tp: mysql.TypeLonglong, size: 20}, + {name: variable.SlowLogKVTotal, tp: mysql.TypeDouble, size: 22}, + {name: variable.SlowLogPDTotal, tp: mysql.TypeDouble, size: 22}, + {name: variable.SlowLogBackoffTotal, tp: mysql.TypeDouble, size: 22}, + {name: variable.SlowLogWriteSQLRespTotal, tp: mysql.TypeDouble, size: 22}, + {name: variable.SlowLogBackoffDetail, tp: mysql.TypeVarchar, size: 4096}, + {name: variable.SlowLogPrepared, tp: mysql.TypeTiny, size: 1}, {name: variable.SlowLogSucc, tp: mysql.TypeTiny, size: 1}, {name: variable.SlowLogPlanFromCache, tp: mysql.TypeTiny, size: 1}, {name: variable.SlowLogPlan, tp: mysql.TypeLongBlob, size: types.UnspecifiedLength}, @@ -1120,6 +1126,11 @@ var tableStatementsSummaryCols = []columnInfo{ {name: "MAX_MEM", tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max memory(byte) used"}, {name: "AVG_DISK", tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average disk space(byte) used"}, {name: "MAX_DISK", tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max disk space(byte) used"}, + {name: "AVG_KV_TIME", tp: mysql.TypeLonglong, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average time of TiKV used"}, + {name: "AVG_PD_TIME", tp: mysql.TypeLonglong, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average time of PD used"}, + {name: "AVG_BACKOFF_TOTAL_TIME", tp: mysql.TypeLonglong, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average time of Backoff used"}, + {name: "AVG_WRITE_SQL_RESP_TIME", tp: mysql.TypeLonglong, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average time of write sql resp used"}, + {name: "PREPARED", tp: mysql.TypeTiny, size: 1, flag: mysql.NotNullFlag, comment: "Whether prepared"}, {name: "AVG_AFFECTED_ROWS", tp: mysql.TypeDouble, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average number of rows affected"}, {name: "FIRST_SEEN", tp: mysql.TypeTimestamp, size: 26, flag: mysql.NotNullFlag, comment: "The time these statements are seen for the first time"}, {name: "LAST_SEEN", tp: mysql.TypeTimestamp, size: 26, flag: mysql.NotNullFlag, comment: "The time these statements are seen for the last time"}, diff --git a/infoschema/tables_test.go b/infoschema/tables_test.go index 2b84ae0bf1a3a..2ae5524d3b7c6 100644 --- a/infoschema/tables_test.go +++ b/infoschema/tables_test.go @@ -637,10 +637,10 @@ func (s *testTableSuite) TestSlowQuery(c *C) { tk.MustExec("set time_zone = '+08:00';") re := tk.MustQuery("select * from information_schema.slow_query") re.Check(testutil.RowsWithSep("|", - "2019-02-12 19:33:56.571953|406315658548871171|root|localhost|6|57|0.12|4.895492|0.4|0.2|0.000000003|2|0.000000002|0.00000001|0.000000003|0.19|0.21|0.01|0|0.18|[txnLock]|0.03|0|15|480|1|8|0.3824278|0.161|0.101|0.092|1.71|1|100001|100000|test||0|42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772|t1:1,t2:2|0.1|0.2|0.03|127.0.0.1:20160|0.05|0.6|0.8|0.0.0.0:20160|70724|65536|1|1|abcd|60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4|update t set i = 2;|select * from t_slim;")) + "2019-02-12 19:33:56.571953|406315658548871171|root|localhost|6|57|0.12|4.895492|0.4|0.2|0.000000003|2|0.000000002|0.00000001|0.000000003|0.19|0.21|0.01|0|0.18|[txnLock]|0.03|0|15|480|1|8|0.3824278|0.161|0.101|0.092|1.71|1|100001|100000|test||0|42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772|t1:1,t2:2|0.1|0.2|0.03|127.0.0.1:20160|0.05|0.6|0.8|0.0.0.0:20160|70724|65536|0|0|0|0||0|1|1|abcd|60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4|update t set i = 2;|select * from t_slim;")) tk.MustExec("set time_zone = '+00:00';") re = tk.MustQuery("select * from information_schema.slow_query") - re.Check(testutil.RowsWithSep("|", "2019-02-12 11:33:56.571953|406315658548871171|root|localhost|6|57|0.12|4.895492|0.4|0.2|0.000000003|2|0.000000002|0.00000001|0.000000003|0.19|0.21|0.01|0|0.18|[txnLock]|0.03|0|15|480|1|8|0.3824278|0.161|0.101|0.092|1.71|1|100001|100000|test||0|42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772|t1:1,t2:2|0.1|0.2|0.03|127.0.0.1:20160|0.05|0.6|0.8|0.0.0.0:20160|70724|65536|1|1|abcd|60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4|update t set i = 2;|select * from t_slim;")) + re.Check(testutil.RowsWithSep("|", "2019-02-12 11:33:56.571953|406315658548871171|root|localhost|6|57|0.12|4.895492|0.4|0.2|0.000000003|2|0.000000002|0.00000001|0.000000003|0.19|0.21|0.01|0|0.18|[txnLock]|0.03|0|15|480|1|8|0.3824278|0.161|0.101|0.092|1.71|1|100001|100000|test||0|42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772|t1:1,t2:2|0.1|0.2|0.03|127.0.0.1:20160|0.05|0.6|0.8|0.0.0.0:20160|70724|65536|0|0|0|0||0|1|1|abcd|60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4|update t set i = 2;|select * from t_slim;")) // Test for long query. f, err := os.OpenFile(slowLogFileName, os.O_CREATE|os.O_WRONLY, 0644) diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 5648433063088..60abf5bfb176c 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -1872,6 +1872,8 @@ const ( SlowLogExecRetryCount = "Exec_retry_count" // SlowLogExecRetryTime is the execution retry time. SlowLogExecRetryTime = "Exec_retry_time" + // SlowLogBackoffDetail is the detail of backoff. + SlowLogBackoffDetail = "Backoff_Detail" ) // SlowQueryLogItems is a collection of items that should be included in the diff --git a/util/stmtsummary/statement_summary.go b/util/stmtsummary/statement_summary.go index 35109f9f892a2..eefab1456156e 100644 --- a/util/stmtsummary/statement_summary.go +++ b/util/stmtsummary/statement_summary.go @@ -163,11 +163,16 @@ type stmtSummaryByDigestElement struct { backoffTypes map[fmt.Stringer]int authUsers map[string]struct{} // other - sumMem int64 - maxMem int64 - sumDisk int64 - maxDisk int64 - sumAffectedRows uint64 + sumMem int64 + maxMem int64 + sumDisk int64 + maxDisk int64 + sumAffectedRows uint64 + sumKVTotal time.Duration + sumPDTotal time.Duration + sumBackoffTotal time.Duration + sumWriteSQLRespTotal time.Duration + prepared bool // The first time this type of SQL executes. firstSeen time.Time // The last time this type of SQL executes. @@ -206,6 +211,8 @@ type StmtExecInfo struct { PlanInCache bool ExecRetryCount uint ExecRetryTime time.Duration + execdetails.StmtExecDetails + Prepared bool } // newStmtSummaryByDigestMap creates an empty stmtSummaryByDigestMap. @@ -591,6 +598,7 @@ func newStmtSummaryByDigestElement(sei *StmtExecInfo, beginTime int64, intervalS authUsers: make(map[string]struct{}), planInCache: false, planCacheHits: 0, + prepared: sei.Prepared, } ssElement.add(sei, intervalSeconds) return ssElement @@ -765,6 +773,10 @@ func (ssElement *stmtSummaryByDigestElement) add(sei *StmtExecInfo, intervalSeco ssElement.execRetryCount += sei.ExecRetryCount ssElement.execRetryTime += sei.ExecRetryTime } + ssElement.sumKVTotal += time.Duration(atomic.LoadInt64(&sei.StmtExecDetails.WaitKVRespDuration)) + ssElement.sumPDTotal += time.Duration(atomic.LoadInt64(&sei.StmtExecDetails.WaitPDRespDuration)) + ssElement.sumBackoffTotal += time.Duration(atomic.LoadInt64(&sei.StmtExecDetails.BackoffDuration)) + ssElement.sumWriteSQLRespTotal += sei.StmtExecDetails.WriteSQLRespDuration } func (ssElement *stmtSummaryByDigestElement) toDatum(ssbd *stmtSummaryByDigest) []types.Datum { @@ -848,6 +860,11 @@ func (ssElement *stmtSummaryByDigestElement) toDatum(ssbd *stmtSummaryByDigest) ssElement.maxMem, avgInt(ssElement.sumDisk, ssElement.execCount), ssElement.maxDisk, + avgInt(int64(ssElement.sumKVTotal), ssElement.commitCount), + avgInt(int64(ssElement.sumPDTotal), ssElement.commitCount), + avgInt(int64(ssElement.sumBackoffTotal), ssElement.commitCount), + avgInt(int64(ssElement.sumWriteSQLRespTotal), ssElement.commitCount), + ssElement.prepared, avgFloat(int64(ssElement.sumAffectedRows), ssElement.execCount), types.NewTime(types.FromGoTime(ssElement.firstSeen), mysql.TypeTimestamp, 0), types.NewTime(types.FromGoTime(ssElement.lastSeen), mysql.TypeTimestamp, 0), diff --git a/util/stmtsummary/statement_summary_test.go b/util/stmtsummary/statement_summary_test.go index 7517a923b9816..a1b3eb5ac6186 100644 --- a/util/stmtsummary/statement_summary_test.go +++ b/util/stmtsummary/statement_summary_test.go @@ -613,7 +613,8 @@ func (s *testStmtSummarySuite) TestToDatum(c *C) { stmtExecInfo1.ExecDetail.CommitDetail.WriteSize, stmtExecInfo1.ExecDetail.CommitDetail.WriteSize, stmtExecInfo1.ExecDetail.CommitDetail.PrewriteRegionNum, stmtExecInfo1.ExecDetail.CommitDetail.PrewriteRegionNum, stmtExecInfo1.ExecDetail.CommitDetail.TxnRetry, stmtExecInfo1.ExecDetail.CommitDetail.TxnRetry, 0, 0, 1, - "txnLock:1", stmtExecInfo1.MemMax, stmtExecInfo1.MemMax, stmtExecInfo1.DiskMax, stmtExecInfo1.DiskMax, stmtExecInfo1.StmtCtx.AffectedRows(), + "txnLock:1", stmtExecInfo1.MemMax, stmtExecInfo1.MemMax, stmtExecInfo1.DiskMax, stmtExecInfo1.DiskMax, + 0, 0, 0, 0, 0, stmtExecInfo1.StmtCtx.AffectedRows(), t, t, 0, 0, stmtExecInfo1.OriginalSQL, stmtExecInfo1.PrevSQL, "plan_digest", ""} match(c, datums[0], expectedDatum...) datums = s.ssMap.ToHistoryDatum(nil, true) From 50f5ddc70e6c44f993561ca0bb4277dc18bec3b7 Mon Sep 17 00:00:00 2001 From: tiancaiamao Date: Wed, 14 Oct 2020 20:05:26 +0800 Subject: [PATCH 0027/1021] executor,distsql: support multiple physical tables in one table reader (#20404) --- distsql/select_result.go | 5 +- executor/builder.go | 251 ++++++++++++++++++------------- executor/distsql.go | 33 +++- executor/partition_table_test.go | 18 --- 4 files changed, 183 insertions(+), 124 deletions(-) diff --git a/distsql/select_result.go b/distsql/select_result.go index f9840aed95f4c..56c1b8d0f635b 100644 --- a/distsql/select_result.go +++ b/distsql/select_result.go @@ -142,7 +142,10 @@ func (r *selectResult) fetchResp(ctx context.Context) error { for _, warning := range r.selectResp.Warnings { sc.AppendWarning(terror.ClassTiKV.Synthesize(terror.ErrCode(warning.Code), warning.Msg)) } - r.feedback.Update(resultSubset.GetStartKey(), r.selectResp.OutputCounts) + if r.feedback != nil { + r.feedback.Update(resultSubset.GetStartKey(), r.selectResp.OutputCounts) + } + r.partialCount++ hasStats, ok := resultSubset.(CopRuntimeStats) diff --git a/executor/builder.go b/executor/builder.go index 9454f207bb3eb..10e0ef23ccaa8 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -2528,18 +2528,19 @@ func (b *executorBuilder) buildTableReader(v *plannercore.PhysicalTableReader) E return ret } - if pi := ts.Table.GetPartitionInfo(); pi == nil { + pi := ts.Table.GetPartitionInfo() + if pi == nil { return ret } + tmp, _ := b.is.TableByID(ts.Table.ID) + tbl := tmp.(table.PartitionedTable) + partitions, err := partitionPruning(b.ctx, tbl, v.PartitionInfo.PruningConds, v.PartitionInfo.PartitionNames, v.PartitionInfo.Columns, v.PartitionInfo.ColumnNames) + if err != nil { + b.err = err + return nil + } if v.StoreType == kv.TiFlash { - tmp, _ := b.is.TableByID(ts.Table.ID) - tbl := tmp.(table.PartitionedTable) - partitions, err := partitionPruning(b.ctx, tbl, v.PartitionInfo.PruningConds, v.PartitionInfo.PartitionNames, v.PartitionInfo.Columns, v.PartitionInfo.ColumnNames) - if err != nil { - b.err = err - return nil - } partsExecutor := make([]Executor, 0, len(partitions)) for _, part := range partitions { exec, err := buildNoRangeTableReader(b, v) @@ -2567,13 +2568,16 @@ func (b *executorBuilder) buildTableReader(v *plannercore.PhysicalTableReader) E } } - nextPartition := nextPartitionForTableReader{exec: ret} - exec, err := buildPartitionTable(b, ts.Table, &v.PartitionInfo, ret, nextPartition) - if err != nil { - b.err = err - return nil + if len(partitions) == 0 { + return &TableDualExec{baseExecutor: *ret.base()} } - return exec + ret.kvRangeBuilder = kvRangeBuilderFromRangeAndPartition{ + sctx: b.ctx, + partitions: partitions, + ranges: ts.Ranges, + } + + return ret } func buildPartitionTable(b *executorBuilder, tblInfo *model.TableInfo, partitionInfo *plannercore.PartitionInfo, e Executor, n nextPartition) (Executor, error) { @@ -2616,33 +2620,17 @@ func buildIndexRangeForEachPartition(ctx sessionctx.Context, usedPartitions []ta return nextRange, nil } -func buildKVRangeForEachPartition(ctx sessionctx.Context, usedPartitions []table.PhysicalTable, contentPos []int64, isCommonHandle bool, - lookUpContents []*indexJoinLookUpContent, indexRanges []*ranger.Range, keyOff2IdxOff []int, cwc *plannercore.ColWithCmpFuncManager) (map[int64]kvRangeBuilder, error) { - rangeBuilders := make(map[int64]kvRangeBuilder) - contentBucket := make(map[int64][]*indexJoinLookUpContent) - for _, p := range usedPartitions { - contentBucket[p.GetPhysicalID()] = make([]*indexJoinLookUpContent, 0, 8) +func keyColumnsIncludeAllPartitionColumns(keyColumns []int, pe *tables.PartitionExpr) bool { + tmp := make(map[int]struct{}, len(keyColumns)) + for _, offset := range keyColumns { + tmp[offset] = struct{}{} } - for i, pos := range contentPos { - if _, ok := contentBucket[pos]; ok { - contentBucket[pos] = append(contentBucket[pos], lookUpContents[i]) - } - } - for _, p := range usedPartitions { - if isCommonHandle { - rangeBuilders[p.GetPhysicalID()] = kvRangeBuilderFromFunc(func(pid int64) ([]kv.KeyRange, error) { - return buildKvRangesForIndexJoin(ctx, pid, -1, contentBucket[pid], indexRanges, keyOff2IdxOff, cwc) - }) - } else { - handles := make([]kv.Handle, 0, len(contentBucket[p.GetPhysicalID()])) - for _, content := range contentBucket[p.GetPhysicalID()] { - handle := kv.IntHandle(content.keys[0].GetInt64()) - handles = append(handles, handle) - } - rangeBuilders[p.GetPhysicalID()] = kvRangeBuilderFromHandles(handles) + for _, offset := range pe.ColumnOffset { + if _, ok := tmp[offset]; !ok { + return false } } - return rangeBuilders, nil + return true } func prunePartitionForInnerExecutor(ctx sessionctx.Context, tbl table.Table, schema *expression.Schema, partitionInfo *plannercore.PartitionInfo, @@ -2779,7 +2767,8 @@ func (b *executorBuilder) buildIndexReader(v *plannercore.PhysicalIndexReader) E return ret } - if pi := is.Table.GetPartitionInfo(); pi == nil { + pi := is.Table.GetPartitionInfo() + if pi == nil { return ret } @@ -2787,12 +2776,15 @@ func (b *executorBuilder) buildIndexReader(v *plannercore.PhysicalIndexReader) E return ret } - nextPartition := nextPartitionForIndexReader{exec: ret} - exec, err := buildPartitionTable(b, is.Table, &v.PartitionInfo, ret, nextPartition) + tmp, _ := b.is.TableByID(is.Table.ID) + tbl := tmp.(table.PartitionedTable) + partitions, err := partitionPruning(b.ctx, tbl, v.PartitionInfo.PruningConds, v.PartitionInfo.PartitionNames, v.PartitionInfo.Columns, v.PartitionInfo.ColumnNames) if err != nil { b.err = err + return nil } - return exec + ret.partitions = partitions + return ret } func buildTableReq(b *executorBuilder, schemaLen int, plans []plannercore.PhysicalPlan) (dagReq *tipb.DAGRequest, streaming bool, val table.Table, err error) { @@ -3141,89 +3133,127 @@ func (builder *dataReaderBuilder) buildTableReaderForIndexJoin(ctx context.Conte } tbInfo := e.table.Meta() if v.IsCommonHandle { - kvRanges, err := buildKvRangesForIndexJoin(e.ctx, getPhysicalTableID(e.table), -1, lookUpContents, indexRanges, keyOff2IdxOff, cwc) - if err != nil { - return nil, err - } - if tbInfo.GetPartitionInfo() == nil { + if tbInfo.GetPartitionInfo() == nil || !builder.ctx.GetSessionVars().UseDynamicPartitionPrune() { + kvRanges, err := buildKvRangesForIndexJoin(e.ctx, getPhysicalTableID(e.table), -1, lookUpContents, indexRanges, keyOff2IdxOff, cwc) + if err != nil { + return nil, err + } return builder.buildTableReaderFromKvRanges(ctx, e, kvRanges) } - e.kvRangeBuilder = kvRangeBuilderFromFunc(func(pid int64) ([]kv.KeyRange, error) { - return buildKvRangesForIndexJoin(e.ctx, pid, -1, lookUpContents, indexRanges, keyOff2IdxOff, cwc) - }) - nextPartition := nextPartitionForTableReader{exec: e, innerPartitionInfo: &innerPartitionInfo{isFullPartition: true}} - tbl, _ := builder.executorBuilder.is.TableByID(tbInfo.ID) - usedPartition, canPrune, contentPos, err := prunePartitionForInnerExecutor(builder.executorBuilder.ctx, tbl, e.Schema(), &v.PartitionInfo, lookUpContents) + + tbl, _ := builder.is.TableByID(tbInfo.ID) + pt := tbl.(table.PartitionedTable) + pe, err := tbl.(interface { + PartitionExpr() (*tables.PartitionExpr, error) + }).PartitionExpr() if err != nil { return nil, err } - if len(usedPartition) != 0 { - if canPrune { - rangeBuilders, err := buildKVRangeForEachPartition(e.ctx, usedPartition, contentPos, v.IsCommonHandle, lookUpContents, indexRanges, keyOff2IdxOff, cwc) + var kvRanges []kv.KeyRange + if keyColumnsIncludeAllPartitionColumns(lookUpContents[0].keyCols, pe) { + // In this case we can use dynamic partition pruning. + locateKey := make([]types.Datum, e.Schema().Len()) + kvRanges = make([]kv.KeyRange, 0, len(lookUpContents)) + for _, content := range lookUpContents { + for i, date := range content.keys { + locateKey[content.keyCols[i]] = date + } + p, err := pt.GetPartitionByRow(e.ctx, locateKey) if err != nil { return nil, err } - nextPartition.rangeBuilders = rangeBuilders - nextPartition.isFullPartition = false + pid := p.GetPhysicalID() + tmp, err := buildKvRangesForIndexJoin(e.ctx, pid, -1, []*indexJoinLookUpContent{content}, indexRanges, keyOff2IdxOff, cwc) + if err != nil { + return nil, err + } + kvRanges = append(kvRanges, tmp...) } - partitionExec := &PartitionTableExecutor{ - baseExecutor: *e.base(), - partitions: usedPartition, - nextPartition: nextPartition, + } else { + partitionInfo := &v.PartitionInfo + partitions, err := partitionPruning(e.ctx, pt, partitionInfo.PruningConds, partitionInfo.PartitionNames, partitionInfo.Columns, partitionInfo.ColumnNames) + if err != nil { + return nil, err } - return partitionExec, nil - } - ret := &TableDualExec{baseExecutor: *e.base()} - return ret, err - } - handles := make([]kv.Handle, 0, len(lookUpContents)) - validLookUpContents := make([]*indexJoinLookUpContent, 0, len(lookUpContents)) - for _, content := range lookUpContents { - isValidHandle := true - handle := kv.IntHandle(content.keys[0].GetInt64()) - for _, key := range content.keys { - if handle.IntValue() != key.GetInt64() { - isValidHandle = false - break + kvRanges = make([]kv.KeyRange, 0, len(partitions)*len(lookUpContents)) + for _, p := range partitions { + pid := p.GetPhysicalID() + tmp, err := buildKvRangesForIndexJoin(e.ctx, pid, -1, lookUpContents, indexRanges, keyOff2IdxOff, cwc) + if err != nil { + return nil, err + } + kvRanges = append(tmp, kvRanges...) } } - if isValidHandle { - handles = append(handles, handle) - validLookUpContents = append(validLookUpContents, content) - } + return builder.buildTableReaderFromKvRanges(ctx, e, kvRanges) } + handles, lookUpContents := dedupHandles(lookUpContents) if tbInfo.GetPartitionInfo() == nil { return builder.buildTableReaderFromHandles(ctx, e, handles, canReorderHandles) } if !builder.ctx.GetSessionVars().UseDynamicPartitionPrune() { return builder.buildTableReaderFromHandles(ctx, e, handles, canReorderHandles) } - e.kvRangeBuilder = kvRangeBuilderFromHandles(handles) - nextPartition := nextPartitionForTableReader{exec: e, innerPartitionInfo: &innerPartitionInfo{isFullPartition: true}} - tbl, _ := builder.executorBuilder.is.TableByID(tbInfo.ID) - usedPartition, canPrune, contentPos, err := prunePartitionForInnerExecutor(builder.executorBuilder.ctx, tbl, e.Schema(), &v.PartitionInfo, validLookUpContents) + + tbl, _ := builder.is.TableByID(tbInfo.ID) + pt := tbl.(table.PartitionedTable) + pe, err := tbl.(interface { + PartitionExpr() (*tables.PartitionExpr, error) + }).PartitionExpr() if err != nil { return nil, err } - if len(usedPartition) != 0 { - if canPrune { - rangeBuilders, err := buildKVRangeForEachPartition(e.ctx, usedPartition, contentPos, v.IsCommonHandle, lookUpContents, indexRanges, keyOff2IdxOff, cwc) + var kvRanges []kv.KeyRange + if keyColumnsIncludeAllPartitionColumns(lookUpContents[0].keyCols, pe) { + locateKey := make([]types.Datum, e.Schema().Len()) + kvRanges = make([]kv.KeyRange, 0, len(lookUpContents)) + for _, content := range lookUpContents { + for i, date := range content.keys { + locateKey[content.keyCols[i]] = date + } + p, err := pt.GetPartitionByRow(e.ctx, locateKey) if err != nil { return nil, err } - nextPartition.rangeBuilders = rangeBuilders - nextPartition.isFullPartition = false + pid := p.GetPhysicalID() + handle := kv.IntHandle(content.keys[0].GetInt64()) + tmp := distsql.TableHandlesToKVRanges(pid, []kv.Handle{handle}) + kvRanges = append(kvRanges, tmp...) } - partitionExec := &PartitionTableExecutor{ - baseExecutor: *e.base(), - partitions: usedPartition, - nextPartition: nextPartition, + } else { + partitionInfo := &v.PartitionInfo + partitions, err := partitionPruning(e.ctx, pt, partitionInfo.PruningConds, partitionInfo.PartitionNames, partitionInfo.Columns, partitionInfo.ColumnNames) + if err != nil { + return nil, err + } + for _, p := range partitions { + pid := p.GetPhysicalID() + tmp := distsql.TableHandlesToKVRanges(pid, handles) + kvRanges = append(kvRanges, tmp...) } - return partitionExec, nil } - ret := &TableDualExec{baseExecutor: *e.base()} - return ret, err + return builder.buildTableReaderFromKvRanges(ctx, e, kvRanges) +} + +func dedupHandles(lookUpContents []*indexJoinLookUpContent) ([]kv.Handle, []*indexJoinLookUpContent) { + handles := make([]kv.Handle, 0, len(lookUpContents)) + validLookUpContents := make([]*indexJoinLookUpContent, 0, len(lookUpContents)) + for _, content := range lookUpContents { + isValidHandle := true + handle := kv.IntHandle(content.keys[0].GetInt64()) + for _, key := range content.keys { + if handle.IntValue() != key.GetInt64() { + isValidHandle = false + break + } + } + if isValidHandle { + handles = append(handles, handle) + validLookUpContents = append(validLookUpContents, content) + } + } + return handles, validLookUpContents } type kvRangeBuilderFromFunc func(pid int64) ([]kv.KeyRange, error) @@ -3232,14 +3262,29 @@ func (h kvRangeBuilderFromFunc) buildKeyRange(pid int64) ([]kv.KeyRange, error) return h(pid) } -type kvRangeBuilderFromHandles []kv.Handle +type kvRangeBuilderFromRangeAndPartition struct { + sctx sessionctx.Context + partitions []table.PhysicalTable + ranges []*ranger.Range +} -func (h kvRangeBuilderFromHandles) buildKeyRange(pid int64) ([]kv.KeyRange, error) { - handles := []kv.Handle(h) - sort.Slice(handles, func(i, j int) bool { - return handles[i].Compare(handles[j]) < 0 - }) - return distsql.TableHandlesToKVRanges(pid, handles), nil +func (h kvRangeBuilderFromRangeAndPartition) buildKeyRange(int64) ([]kv.KeyRange, error) { + var ret []kv.KeyRange + for _, p := range h.partitions { + pid := p.GetPhysicalID() + meta := p.Meta() + if meta != nil && meta.IsCommonHandle { + kvRange, err := distsql.CommonHandleRangesToKVRanges(h.sctx.GetSessionVars().StmtCtx, []int64{pid}, h.ranges) + if err != nil { + return nil, err + } + ret = append(ret, kvRange...) + } else { + kvRange := distsql.TableRangesToKVRanges(pid, h.ranges, nil) + ret = append(ret, kvRange...) + } + } + return ret, nil } func (builder *dataReaderBuilder) buildTableReaderBase(ctx context.Context, e *TableReaderExecutor, reqBuilderWithRange distsql.RequestBuilder) (*TableReaderExecutor, error) { diff --git a/executor/distsql.go b/executor/distsql.go index 85184cc9f2c01..850cc53e3e8ce 100644 --- a/executor/distsql.go +++ b/executor/distsql.go @@ -34,6 +34,7 @@ import ( "github.com/pingcap/tidb/kv" plannercore "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/statistics" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/tablecodec" @@ -211,6 +212,8 @@ type IndexReaderExecutor struct { index *model.IndexInfo physicalTableID int64 ranges []*ranger.Range + partitions []table.PhysicalTable + // kvRanges are only used for union scan. kvRanges []kv.KeyRange dagPB *tipb.DAGRequest @@ -257,6 +260,20 @@ func (e *IndexReaderExecutor) Next(ctx context.Context, req *chunk.Chunk) error return err } +func (e *IndexReaderExecutor) buildKeyRanges(sc *stmtctx.StatementContext, physicalID int64) ([]kv.KeyRange, error) { + if e.index.ID == -1 { + return distsql.CommonHandleRangesToKVRanges(sc, []int64{physicalID}, e.ranges) + } + return distsql.IndexRangesToKVRanges(sc, physicalID, e.index.ID, e.ranges, e.feedback) +} + +func (e *IndexReaderExecutor) buildPartitionTableKeyRanges(sc *stmtctx.StatementContext, physicalIDs []int64) ([]kv.KeyRange, error) { + if e.index.ID == -1 { + return distsql.CommonHandleRangesToKVRanges(sc, physicalIDs, e.ranges) + } + return distsql.IndexRangesToKVRangesForTables(sc, physicalIDs, e.index.ID, e.ranges, e.feedback) +} + // Open implements the Executor Open interface. func (e *IndexReaderExecutor) Open(ctx context.Context) error { var err error @@ -266,11 +283,23 @@ func (e *IndexReaderExecutor) Open(ctx context.Context) error { return err } } - kvRanges, err := distsql.IndexRangesToKVRanges(e.ctx.GetSessionVars().StmtCtx, e.physicalTableID, e.index.ID, e.ranges, e.feedback) + + sc := e.ctx.GetSessionVars().StmtCtx + var kvRanges []kv.KeyRange + if len(e.partitions) > 0 { + physicalIDs := make([]int64, 0, len(e.partitions)) + for _, p := range e.partitions { + pid := p.GetPhysicalID() + physicalIDs = append(physicalIDs, pid) + } + kvRanges, err = e.buildPartitionTableKeyRanges(sc, physicalIDs) + } else { + kvRanges, err = e.buildKeyRanges(sc, e.physicalTableID) + } if err != nil { - e.feedback.Invalidate() return err } + return e.open(ctx, kvRanges) } diff --git a/executor/partition_table_test.go b/executor/partition_table_test.go index 920fa09a5acef..e358ee49a55e3 100644 --- a/executor/partition_table_test.go +++ b/executor/partition_table_test.go @@ -14,8 +14,6 @@ package executor_test import ( - "context" - . "github.com/pingcap/check" "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/util/testkit" @@ -88,22 +86,6 @@ func (s *partitionTableSuite) TestPartitionUnionScanIndexJoin(c *C) { tk.MustExec("commit") } -func (s *partitionTableSuite) TestDAGTableID(c *C) { - // This test checks the table ID in the DAG is changed to partition ID in the nextPartition function. - tk := testkit.NewTestKitWithInit(c, s.store) - tk.MustExec("use test") - tk.MustExec("create table employees (id int,store_id int not null)partition by hash(store_id) partitions 4;") - sql := "select * from test.employees" - rs, err := tk.Exec(sql) - c.Assert(err, IsNil) - - m := make(map[int64]struct{}) - ctx := context.WithValue(context.Background(), "nextPartitionUpdateDAGReq", m) - tk.ResultSetToResultWithCtx(ctx, rs, Commentf("sql:%s, args:%v", sql)) - // Check table ID is changed to partition ID for each partition. - c.Assert(m, HasLen, 4) -} - func (s *partitionTableSuite) TestPartitionReaderUnderApply(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test") From 4dc8b5c4b5b7f30abb42d56dd057d0ee65579f8f Mon Sep 17 00:00:00 2001 From: djshow832 <873581766@qq.com> Date: Thu, 15 Oct 2020 10:30:24 +0800 Subject: [PATCH 0028/1021] docs: Add RFC for "Defining placement rules in SQL" (#18199) --- .../2020-06-24-placement-rules-in-sql.md | 762 ++++++++++++++++++ 1 file changed, 762 insertions(+) create mode 100644 docs/design/2020-06-24-placement-rules-in-sql.md diff --git a/docs/design/2020-06-24-placement-rules-in-sql.md b/docs/design/2020-06-24-placement-rules-in-sql.md new file mode 100644 index 0000000000000..a07c7d5b5e171 --- /dev/null +++ b/docs/design/2020-06-24-placement-rules-in-sql.md @@ -0,0 +1,762 @@ +# Defining placement rules in SQL + +- Author(s): [djshow832](https://github.com/djshow832) (Ming Zhang) +- Last updated: 2020-06-24 +- Discussion at: https://docs.google.com/document/d/18Kdhi90dv33muF9k_VAIccNLeGf-DdQyUc8JlWF9Gok + +## Motivation + +TiDB supports placement rules, which can define the placement of data in a more flexible and more granular way. But it only provides configuration files to define them, and it’s complicated. + +This article proposes an approach to configure placement rules through DDL statements. TiDB server parses the statements and notify PD to perform the change. In this way, usability can be improved. + +The scenarios of defining placement rules in SQL include: + +- Place data across regions to improve access locality +- Add a TiFlash replica for a table +- Limit data within its national border to gaurantee data sovereignty +- Place latest data to SSD and history data to HDD +- Place the leader of hot data to a high-performance TiKV instance +- Increase the replica count of more important data +- Separate irrelevant data into different stores to improve availability + +## Define placement rules + +There are 3 kinds of operations on the placement: + +* ADD: Add more replicas for one role. +* ALTER: Override the replica configuration for one role. +* DROP: Remove the replica configuration for one role. + +They’re all achieved by executing `ALTER TABLE` statements. + +### Add placement rules + +Adding new replicas can be done by one or more `ADD PLACEMENT POLICY` clauses: + +```sql +ALTER TABLE table_name + ADD PLACEMENT POLICY CONSTRAINTS=constraints ROLE=role REPLICAS=replicas, + ... +``` + +This statement indicates TiDB to add replicas for all data of table `table_name`, including indexes. + +`ADD PLACEMENT POLICY` is just a part of alter options, just like `ADD COLUMN` or `ADD CONSTRAINT`. + +To define multiple roles at once, multiple `ADD PLACEMENT POLICY` clauses can appear in a single `ALTER TABLE` statement, even for the same Raft role. For example: + +```sql +ALTER TABLE table_name + ADD PLACEMENT POLICY CONSTRAINTS="[+zone=sh]" ROLE=leader REPLICAS=1, + ADD PLACEMENT POLICY CONSTRAINTS="[+zone=sh]" ROLE=follower REPLICAS=1 + ADD PLACEMENT POLICY CONSTRAINTS="[+zone=gz]" ROLE=follower REPLICAS=1; +``` + +This statement indicates PD to schedule the leader to `sh`, add one follower to `sh` and one to `gz`. Note that as the leader can be only one, the first clause doesn't actually add a replica, so this statement adds 2 replicas. + +`ADD PLACEMENT POLICY` also supports adding TiFlash replicas for a table, as statement `ALTER TABLE table_name SET TIFLASH REPLICA count` does. For example: + +```sql +ALTER TABLE table_name + ADD PLACEMENT POLICY CONSTRAINTS="[+engine=tiflash]" ROLE=learner REPLICAS=1; +``` + +The only way to judge whether it’s adding a TiFlash replica is to check the label. If it contains `engine=tiflash`, then it’s adding or removing a TiFlash replica. This logic is conventional in PD for now. + +Placement rules must conform to Raft constraints. For example, an error should be reported when executing this statement: + +```sql +ALTER TABLE test + ALTER PLACEMENT POLICY CONSTRAINTS="[+zone=sh]" ROLE=leader REPLICAS=2; +``` + +There can only be one leader, so `REPLICAS` must be 1 or omitted. But for other roles, `REPLICAS` must be specified. + +Besides, at most one role can be defined on the same object. If multiple rules are added on the same role, they will be combined to one rule. For example: + +```sql +ALTER TABLE test + ADD PLACEMENT POLICY CONSTRAINTS="[+zone=sh]" ROLE=voter REPLICAS=2, + ADD PLACEMENT POLICY CONSTRAINTS="[+zone=bj]" ROLE=voter REPLICAS=2; +``` + +The same role `voter` is defined in 2 different rules, each of which adds 2 replicas. So it is equivalent to: + +```sql +ALTER TABLE test + ADD PLACEMENT POLICY CONSTRAINTS="{+zone=sh:2,+zone=bj:2}" ROLE=voter REPLICAS=4; +``` + +Note that as there may already exist 3 replicas by default, so it will be 7 replicas after executing this statement. So `ADD PLACEMENT POLICY` can be taken as a shortcut for adding replicas to a defined role. In the example above, it can be replaced by `ALTER PLACEMENT POLICY`. + +More details of `CONSTRAINTS` option is described in the "Constraints Configuration" section. + +`ADD PLACEMENT POLICY` is implemented by adding one or more placement rules in PD. The statement must wait until the PD returns a message. It can be cancelled by executing `ADMIN CANCEL DDL JOBS` statement. + +### Alter placement rules + +Altering current placement rules can be done by one or more `ALTER PLACEMENT POLICY` clauses: + +```sql +ALTER TABLE table_name + ALTER PLACEMENT POLICY CONSTRAINTS=constraints ROLE=role REPLICAS=replicas, + ... +``` + +This statement indicates TiDB to overwrite the current placement rule with the same `role`. It affects all data of table `table_name`, including indices. + +Assuming table `test` has 3 replicas by default, the default placement rule is equivalent to: + +```sql +ALTER TABLE test + ADD PLACEMENT POLICY ROLE=voter REPLICAS=3; +``` + +`CONSTRAINTS` is omitted here, because there is no label constraints on voters. + +Since at most one rule can be defined for each role, `ALTER PLACEMENT POLICY` will replace the existing rule with the same role. For example: + +```sql +ALTER TABLE test + ADD PLACEMENT POLICY CONSTRAINTS="[+zone=sh]" ROLE=voter REPLICAS=2, + ADD PLACEMENT POLICY CONSTRAINTS="[+zone=bj]" ROLE=voter REPLICAS=2, + ALTER PLACEMENT POLICY CONSTRAINTS="[+zone=sh]" ROLE=voter REPLICAS=3, + ALTER PLACEMENT POLICY CONSTRAINTS="[+zone=bj]" ROLE=voter REPLICAS=3; +``` + +As all the rules are defined on the same role `voter`, the first 3 rules will be overwritten by the last one. So it is equivalent to: + +```sql +ALTER TABLE test + ALTER PLACEMENT POLICY CONSTRAINTS="[+zone=bj]" ROLE=voter REPLICAS=3; +``` + +To add a prohibiting constraint to all the placement rules can be only achieved by overwriting all the rules. For example, assuming the original placement rules are: + +```sql +ALTER TABLE test + ALTER PLACEMENT POLICY CONSTRAINTS="[+zone=bj]" ROLE=voter REPLICAS=3; + ALTER PLACEMENT POLICY CONSTRAINTS="[+zone=sh]" ROLE=follower REPLICAS=2; +``` + +To prohibit all replicas from being placed on zone `gz`, then both the 2 rules should be overwritten: + +```sql +ALTER TABLE test + ALTER PLACEMENT POLICY CONSTRAINTS="[+zone=bj,-zone=gz]" ROLE=voter REPLICAS=3; + ALTER PLACEMENT POLICY CONSTRAINTS="[+zone=sh,-zone=gz]" ROLE=follower REPLICAS=2; +``` + +If no rule on a specified role is defined, `ALTER PLACEMENT POLICY` can be used to replace `ADD PLACEMENT POLICY`. In this way, it's more convenient to add replicas because users needn't check the existence of such a rule. For example, assuming the original placement rule is: + +```sql +ALTER TABLE test + ADD PLACEMENT POLICY ROLE=voter REPLICAS=3; +``` + +It's fine to execute this statement: + +```sql +ALTER TABLE test + ALTER PLACEMENT POLICY ROLE=follower REPLICAS=1; +``` + +It's equivalent to: + +```sql +ALTER TABLE test + ADD PLACEMENT POLICY ROLE=follower REPLICAS=1; +``` + +Similarly, `ALTER PLACEMENT POLICY` statements must wait until the PD returns a message. It is implemented by overwriting the current placement rule with a new one. + +### Drop placement rules + +Dropping the placement rule on a specified role can be achieved by a `DROP PLACEMENT POLICY` clause: + +```sql +ALTER TABLE table_name + DROP PLACEMENT POLICY ROLE=role, + ... +``` + +In the statement, only `ROLE` option is needed. It only drops the placement rule on `role`. The rule can be either defined on the object itself or inherited from its parent. For example, if a rule on table `t` is inherited from its database, it can also be dropped through this way. + +Dropping placement rules should also conform to Raft constraints. That is, there must be a leader after dropping. For example, if the original placement rule is: + +```sql +ALTER TABLE table_name + ALTER PLACEMENT POLICY ROLE=voter REPLICAS=3; +``` + +It will report an error when executing following statement: + +```sql +ALTER TABLE table_name + DROP PLACEMENT POLICY ROLE=voter; +``` + +No leader is left after dropping all the voters, so it's illegal. + +As leader must exist, it's not allowed to drop all the placement rules. Besides, if there are less than 2 followers left after dropping, a warning will be reported. + +However, resetting all the rules on an object may be useful. "Resetting" means to drop the placement rules defined on the object itself, and let the object follow all the rules of its parent. + +There is no shortcut to reset all the rules. It may help, but it makes the system more complicated. It will be reconsidered when it's really needed. + +Placement rules of indices and partitions can also be dropped in a similar grammar. The statement must wait until PD returns a message. + +### Constraints configuration + +`CONSTRAINTS` option in the `ADD PLACEMENT POLICY` or `ALTER PLACEMENT POLICY` clauses indicates the label constraints. Data must be placed on the stores whose labels conform to `CONSTRAINTS` constraints. If `CONSTRAINTS` is omitted, it means no label constraint is enforced, thus the replicas can be placed anywhere. + +Option `CONSTRAINTS` should be a string and in one of these formats: + +- List: `[{+|-}key=value,...]`, e.g. `[+zone=bj,-disk=hdd]` +- Dictionary: `{"{+|-}key=value,...":count,...}`, e.g. `{"+zone=bj,-disk=hdd":1, +zone=sh:2}` + +Prefix `+` indicates that data can only be placed on the stores whose labels contain such labels, and `-` indicates that data can’t be placed on the stores whose labels contain such labels. For example, `+zone=sh,+zone=bj` indicates to place data only in `sh` and `bj` zones. + +`key` here refers to the label name, and `value` is the label value. The label name should have already been defined in the store configurations. For example, assuming a store has following labels: + +```sql +[server] +labels = "zone=bj,rack=rack0,disk=hdd" +``` + +Then `+zone=bj` matches this store while `+disk=ssd` doesn't. + +In the dictionary format, `count` must be specified, which indicates the number of replicas placed on those stores. When the prefix is `-`, the `count` is still meaningful. + +For example, `CONSTRAINTS="{+zone=sh:1,-zone=bj:2}"` indicates to place 1 replica in `sh`, 2 replicas in anywhere but `bj`. + +In the list format, `count` is not specified. The number of replicas for each constraint is not limited, but the total number of replicas should still conform to the `REPLICAS` option. + +For example, `CONSTRAINTS="[+zone=sh,+zone=bj]" REPLICAS=3` indicates to place 3 repicas on either `sh` or `bj`. There may be 2 replicas on `sh` and 1 in `bj`, or 2 in `bj` and 1 in `sh`. It's up to PD. + +Label constraints can be implemented by defining `label_constraints` field in PD placement rule configuration. `+` and `-` correspond to property `op`. Specifically, `+` is equivalent to `in` and `-` is equivalent to `notIn`. + +For example, `+zone=sh,+zone=bj,-disk=hdd` is equivalent to: + +``` +"label_constraints": [ + {"key": "zone", "op": "in", "values": ["sh", "bj"]}, + {"key": "disk", "op": "notIn", "values": ["hdd"]} +] +``` + +Field `location_labels` in PD placement rule configuration is used to isolate replicas to different zones to improve availability. For now, the global configuration can be used as the default `location_labels` for all placement rules defined in SQL, so it's unnecessary to specify it. + +### Role configuration + +`ROLE` in the statement defines the Raft role of the replicas. It must be specified in the statement. There are 4 predefined roles: + +- `leader`. Exactly one `leader` is allowed. +- `follower`. +- `voter`. It includes `leader` and `follower`. +- `learner`. It can be either TiFlash or TiKV. + +If both `voter` and `follower` are defined in the rules, the replicas of `follower` are not included in the replicas of `voter`. For example: + +```sql +ALTER TABLE test + ADD PLACEMENT POLICY CONSTRAINTS="[+zone=bj]" ROLE=follower REPLICAS=2, + ALTER PLACEMENT POLICY CONSTRAINTS="[+zone=sh]" ROLE=voter REPLICAS=2; +``` + +There are 4 replicas for table `test`, 2 of which are in `sh` and 2 are in `bj`. Leader can only be placed on `sh`. + +`ROLE` in the statement is equivalent to field `role` in PD placement rule configuration. + +### Replicas configuration + +`REPLICAS` in the statement indicates the replica count of the specified role. + +Rules defined on `leader` can omit `REPLICAS`, because the count of leader is always 1. + +When all the replica counts are specified in the `CONSTRAINTS` option, `REPLICAS` can also be omitted. For example, `CONSTRAINTS="{+zone=bj:2,+zone=sh:1}", ROLE=voter` indicates that the `REPLICAS` is 3. + +When both `REPLICAS` and `count` in `CONSTRAINTS` are specified, it indicates that the other replicas can be placed anywhere. For example, in the case `CONSTRAINTS="{+zone=bj:2,+zone=sh:1}", ROLE=voter, REPLICAS=4`, 2 replicas are in `bj` and 1 in `sh`, and the last replica can be anywhere, including `bj` and `sh`. + +When the `CONSTRAINTS` option doesn't contain `count`, `REPLICAS` must be specified. For example, `CONSTRAINTS="[+zone=bj]" ROLE=follower` is vague, as the count of `follower` can not be inferred. + +`REPLICAS` in the statement is equivalent to field `count` in PD placement rule configuration. + +### Key range configuration + +In PD placement rule configuration, the key range must be specified. Now that `table_name` is specified in the `ALTER TABLE` statement, key range can be inferred. + +Typically, key format is in such a format: `t_{table_id}_r_{pk_value}`, where `pk_value` may be `_tidb_rowid` in some cases. `table_id` can be inferred from `table_name`, thus key range is `t_{table_id}_` to `t_{table_id+1}_`. + +Similarly, key range of partitions and indices can also be inferred. + +### Database placement + +Defining placement rules of databases simplifies the procedures when there are many tables. For example, in a typical multi-tenant scenario, each user has a private database. The dataset in one database is relatively small, and it’s rare to query across databases. In this case, a whole database can be placed in a single region to reduce multi-region latency. + +Placement of databases is defined through `ALTER` statements: + +```sql +ALTER {DATABASE | SCHEMA} schema_name + {ADD | ALTER} PLACEMENT POLICY ROLE=role CONSTRAINTS=constraints REPLICAS=replicas, + ... + +ALTER {DATABASE | SCHEMA} schema_name + DROP PLACEMENT POLICY ROLE=role, + ... +``` + +This statement defines placement rules for one database, including all tables in it. + +Creating or dropping a table also affects the placement rules. If a placement rule is defined on a database, all tables in this database will automatically apply that rule, including the existing tables and the tables created later. + +Once the placement rules on a database are changed, the tables should also update their placement rules. Users can overwrite the rules by defining placement rules on the tables. See the section "Rule inheritance" for details. + +Since key range is not successive in one database, each table in the database corresponds to at least one placement rule, so there may be many placement rules. + +### Partition placement + +Defining placement rules of partitions is useful for Geo-Partitioning. In the cases where data is very relevant to zones, Geo-Partitioning can be applied to reduce multi-region latency. + +In Geo-Partitioning, the table must be splitted into partitions, and each partition is placed in specific zones. There are some kinds of partition placement: + +* Place all voters on one zone +* Place only leaders on one zone +* Place leaders and half of the followers on one zone + +It’s up to users to choose the right solution. + +Placement of partitions is also defined through `ALTER TABLE` statements: + +```sql +ALTER TABLE table_name ALTER PARTITION partition_name + {ADD | ALTER} PLACEMENT POLICY CONSTRAINTS=constraints ROLE=role REPLICAS=replicas, + ... + +ALTER TABLE table_name ALTER PARTITION partition_name + DROP PLACEMENT POLICY ROLE=role, + ... +``` + +This statement defines placement rules for one partition, including its local indices. + +The key format of a partitioned table is `t_{partition_id}_r_{pk_value}`. As `partition_id` is part of the key prefix, the key range of a partition is successive. The key range is `t_{partition_id}_` to `t_{partition_id+1}_`. + +Placement rules can also be defined on a partitioned table. Because there are multiple key ranges for the table, multiple rules will be generated and sent to PD. When placement rules are defined both on the table and its partitions, the rule priorities described later should be applied. + +### Unpartitioned index placement + +Defining placement rules of indices is more complicated, because indices can be unpartitioned or partitioned. Each case should be considered separately. + +The index here can be primary index or secondary index. When the key of a clustered index is `_tidb_rowid` rather than the primary key, the primary index is actually an unclustered index. In this case, an index placement statement is applied. + +Expression indices and invisible indices are also supported, as the key format is the same as normal. + +Defining placement of an unpartitioned index is in such a statement: + +```sql +ALTER TABLE table_name ALTER INDEX index_name + {ADD | ALTER} PLACEMENT POLICY CONSTRAINTS=constraints ROLE=role REPLICAS=replicas, + ... + +ALTER TABLE table_name ALTER INDEX index_name + DROP PLACEMENT POLICY ROLE=role, + ... +``` + +This key format of an unpartitioned index is `t_{table_id}_i_{index_id}_r_{pk_value}`. The key range can be inferred by `table_id` and `index_id`. + +### Partitioned index placement + +Defining placement rules of an index in one specific partition is in such a statement: + +```sql +ALTER TABLE table_name ALTER PARTITION partition_name ALTER INDEX index_name + {ADD | ALTER} PLACEMENT POLICY CONSTRAINTS=constraints ROLE=role REPLICAS=replicas, + ... + +ALTER TABLE table_name ALTER PARTITION partition_name ALTER INDEX index_name + DROP PLACEMENT POLICY ROLE=role, + ... +``` + +The key format of partitioned index is `t_{partition_id}_i_{index_id}_r_{pk_value}`. The key range can be inferred by `partition_id` and `index_id`. + +When an index is partitioned, defining placement rule of the whole index at once is not supported. It will involve multiple key ranges, and the scenario of its application is rare. + +For example, `t` is a partitioned table and `idx` is the index on `t`. It’s not supported to do this: + +```sql +ALTER TABLE `t` ALTER INDEX `idx` + ADD PLACEMENT POLICY ... +``` + +To alter the placement rule of `idx`, a partition must be specified in the statement. + +Currently, global secondary index on partitioned tables is not supported, so it can be ignored for now. + +### Sequence placement + +Sequence is typically used to allocate ID in `INSERT` statements, so the placement of sequences affects the latency of `INSERT` statements. + +However, sequence is typically used with cache enabled, which means very few requests are sent to sequence. So defining placement rules of sequences is not supported for now. + +## DDL management + +Some kinds of DDL on databases also affect placement rules. + +### DDL on tables + +Once a table is created, it follows the placement rule of its database. + +Defining placement rules in a `CREATE TABLE` statement is useful, especially in data sovereignty scenarios. Data sovereignty requires sensitive data to reside within its own national border, which is very serious. So defining placement rules after creating tables is not acceptable. But for now, it's not supported, as it complicates the implementation. + +Once a table is dropped, the placement rules on it cannot be dropped immediately, because the table can be recovered by `FLASHBACK` or `RECOVER` statements before GC collects the data. Related placement rules should be kept temporarily and will be removed after GC lifetime. + +Since dropped tables are collected by the GC worker, when the GC worker collects a table, the related placement rules can be removed. + +When it’s time to remove all relevant placement rules, not only those rules defined on the table should be removed, but also the rules defined on its partitions and indices. + +Once a table is truncated, the table id is updated. As its key range is changed, the placement rules should also be updated. + +Since the table can be recovered later by `FLASHBACK` statement, a snapshot of the original placement rules should be saved temporarily. After recovering, the table name is changed, but the table id is the original one, so the snapshot of the original placement rules can be recovered directly. + +For example: + +```sql +TRUNCATE TABLE t; + +ALTER TABLE t + ALTER PLACEMENT POLICY CONSTRAINTS="+zone=sh" ROLE=leader; + +FLASHBACK table t to t1; +``` + +In this case, the placement rules of `t` is altered by the user just after truncating. Once `t` is flashbacked to `t1`, the placement rules of `t1` should be recovered to the version before `TRUNCATE` instead of the version after `ALTER PLACEMENT POLICY`. However, the procedure is quite complicated and this kind of action is rare, so the placement rules will be recovered to the newest version for now. + +DDL on partitions and indices will be discussed below, and other DDL on tables won’t affect placement rules: + +* Altering columns +* Renaming tables +* Altering charset and collation + +### DDL on partitions + +TiDB supports adding and dropping partitions. + +Once a partition is added, its placement rule is empty and the partition follows the rule of the table it belongs to. + +Once a partition is dropped, it can’t be recovered anymore, so its placement rules can be removed immediately. + +Also note that DDL on tables may also effect partitions. It's descibed in the section "DDL on tables". + +### DDL on indices + +Once an index is created on an unpartitioned table, the index should follow the rule of the table it belongs to. + +Once an index is created on a table with partitions, each part of the index should follow the rule of the partition it belongs to. + +Once an index is dropped, it can’t be recovered anymore, so its placement rules can be removed immediately. + +Altering primary index is the same with altering secondary indexes. Because if a primary index can be created or dropped, it must be an unclustered index. + +Other DDL on indices won’t affect placement rules: + +* Renaming index +* Altering the visibility of index + +### Show DDL jobs + +As mentioned before, all statements related to placement rules must wait until PD returns. If the execution is interrupted, the job will be cancelled and the DDL will rollback, just like other DDL jobs. + +PD schedules regions asynchronously after it returns the message. TiDB can query the progress of scheduling from PD. The progress is observed by executing `SHOW PLACEMENT POLICY` instead of `ADMIN SHOW DDL JOBS`, because the DDL job finishes once PD returns a message. + +Ongoing and finished statements can also be queried through `ADMIN SHOW DDL`, `ADMIN SHOW DDL JOBS`, or other similar statements. + +## View rules + +All placement rules can be queried through statements. + +### System table + +A new system table `information_schema.placement_rules` is added to view all placement rules. The table contains such columns: + +* rule_id +* target ID +* target name +* constraints +* role +* replicas +* scheduling state + +The system table is a virtual table, which doesn’t persist data. When querying the table, TiDB queries PD and integrates the result in a table format. That also means the metadata is stored on PD instead of TiKV. + +An object may contain multiple placement rules, each of which corresponds to a rule in PD. + +Advantages of building system table include: + +* It’s easy for users to filter and aggregate the result +* There’s no need to support a new grammar, and it’s easier to implement + +### Show placement + +But there’re a problem here. The system table only contains stored placement rules, and users cannot query the effective rule of one object from it. + +For example, table `t` has two partitions `p0` and `p1`, and a placement rule is added on `t`. If the user wants to query the working rule of `p0`, he will find no placement rule is defined for `p0` through the system table. Based on the rule priorities described later, he must query the placement rule on `t`. This procedure is annoying. + +To simplify the procedure, a `SHOW PLACEMENT POLICY` statement is provided to query the effective rule for one specified object. + +The statement is in such a format: + +```sql +SHOW PLACEMENT POLICY FOR {DATABASE | SCHEMA} schema_name; +SHOW PLACEMENT POLICY FOR TABLE table_name [PARTITION partition_name]; +SHOW PLACEMENT POLICY FOR INDEX index_name FROM table_name [PARTITION partition_name]; +``` + +TiDB will automatically find the effective rule based on the rule priorities. + +This statement outputs at most 1 line. For example, when querying a table, only the placement rule defined on the table itself is shown, and the partitions and indices in it will not be shown. + +The output of this statement contains these fields: + +* Target: The object queried. It can be a database, table, partition, or index. + * For database, it is shown in the format `DATABASE database_name` + * For table, it is shown in the format `TABLE database_name.table_name` + * For partition, it is shown in the format `TABLE database_name.table_name PARTITION partition_name` + * For index, it is shown in the format `INDEX index_name FROM database_name.table_name` +* Equivalent placement: A equivalent `ALTER` statement on `target` that defines the placement rule. +* Existing placement: All the executed `ALTER` statements that affect the placement of `target`, including the statements on its parent. +* Scheduling state: The scheduling progress from the PD aspect. + +### Show create table + +It’s useful to show rules in `SHOW CREATE TABLE` statement, because users can check the rules easily. + +Since data in TiDB can be imported to MySQL, the placement rules definition must be shown as a MySQL-compatible comment such as `/*T![placement] placement_clause*/`, where `placement_clause` can be recognized by TiDB. That means TiDB needs to support two approaches to define placement rules, one in `CREATE TABLE` and another in `ALTER TABLE`. + +This is complicated, and `ALTER TABLE` is able to satisfy most of the cases, so `SHOW CREATE TABLE` is kept untouched for now. + +## Implementation + +This section focuses on the implemention details of defining placement rules in SQL. + +### Storing placement rules + +PD uses placement rules to schedule data, so a replica of placement rules must be persistent on the PD. + +However, TiDB also uses placement rules in some cases, as discussed in section "Querying placement rules". There are basically 2 ways to achieve this: + +- Save the placement rules in table information, which will be duplicated with PD +- Only PD persists the placement rules, while TiDB caches a copy of them + +Before choosing the solution, transactional requirements need to be noticed: + +- Defining placement rules may fail, and users will probably retry it. As retrying `ADD PLACEMENT POLICY` will add more replicas than expected, the atomacity of the opertion needs to be gauranteed. +- `ADD PLACEMENT POLICY` needs to read the original placement rules, combine the 2 rules and then store them to PD, so linearizability should be gauranteed. + +If the placement rules are stored on both TiKV and PD, the approaches to keep atomicity are as follows: + +- Enforce a 2PC protocol on TiKV and PD. +- Store them on TiKV along with a middle state. If TiKV succeeds, then try PD, otherwise rollback it by the middle state. The DDL procedure guarantees the atomicity even if TiDB is down. + +The approaches to keep linearizability are as follows: + +- Define placement rules in serial. +- Enforce an exclusive lock on one of the replicas and release it after the whole job finishes. + +As a contrast, if the placement rules are stored only on PD, the approaches to keep atomicity are as follows: + +- Write all the placement rules in one ETCD transaction. +- Persist a middle state on TiKV before sending to PD. This middle state acts as undo log. + +The approaches to keep linearizability are as follows: + +- Define placement rules in serial. +- Enforce an exclusive lock on PD and release it after the job finishes. + +The comparison shows that both solutions are possible, but storing placement rules only on PD is more practical. To guarantee the transactional characteristics, the easiest way is to write all placement rules in a transaction and define them in serial on the TiDB side. + +### Querying placement rules + +The scenarios where TiDB queries placement rules are as follows: + +1. The optimizer uses placement rules to decide to route cop request to TiKV or TiFlash. It's already implemented and the TiFlash information is written into table information, which is stored on TiKV. +2. It will be probably used in locality-aware features in the furture, such as follower-read. Follower-read is always used when TiDB wants to read the nearest replica to reduce multi-region latency. In some distributed databases, it’s implemented by labelling data nodes and selecting the nearest replica according to the labels. +3. Local transactions need to know the binding relationship between Raft leader and region, which is also defined by placement rules. +4. Once a rule is defined on a table, all the subsequent partitions added to the table should also inherit the rule. So the `ADD PARTITION` operation should query the rules on the table. The same is true for creating tables and indices. +5. `SHOW PLACEMENT POLICY` statement should output the placement rules correctly. + +As placement rules will be queried in case 1, 2 and 3, low latency must be guaranteed. As discussed in section "Storing placement rules", placement rules are only persistent on PD. To lower the latency, the only way is caching the placement rules in TiDB. + +Since the cache is created, there must be a way to validate it. Different from region cache, placement rules cache can only be validated each time from PD. There are some ways to work around: + +- Update the schema version once a placement rule is changed, just like other DDL. PD broadcasts the latest schema version to all the TiDB instances, and then TiDB instances fetch the newest placement rules from PD. There will be a slight delay for queries before reading the latest placement rules. The side affect is that more transactions will retry since the schema version is changed. +- TiDB queries placement rules from PD periodly. The delay is controllable but not eliminable. +- Once a placement rule is changed, PD broadcasts it to all the TiDB instances. In this approach, schema version is not involved, so transactions are not affected. The delay is not eliminable either. + +All the approaches above will result in a delay. Fortunately, for case 1 and 2 above, delay is acceptable. It doesn’t matter much if the optimizer doesn’t perceive the placement rules changement immediately. The worst result is that the latency is relatively high for a short time. + +For case 3, although delay is acceptable, but all TiDB instances must be always consistent on the placement rules. To achieve this goal, schema version needs to be updated, thus transactions with old placement rules will fail when committed. + +For case 4 and 5, delay is not acceptable. Once the placement rules are written successfully, subsequent DDL statements should fetch the latest placement rules to gaurantee linearizability. Now that schema version is changed and the latest placement rules are broadcast to all the TiDB instances immediately, delay is eliminable. + +Once the schema version is changed, all TiDB instances recognize the object ID and fetch placement rules from PD, rather than TiKV. + +To query the placement rules on a specified object, the object ID should be written to the placement rules, or it can be inferred from other fields. Now that `id` contains the object ID, TiDB can decode the object ID from it. See section "Building placement rules" for details. + +### DDL procedures + +Defining placement rules is a type of DDL, so it's natural to implement it in a typical DDL procedure. But it differs from other DDL in that it writes to PD instead of TiKV. + +The fact that the DDL procedure in TiDB is mature helps to achieve some features of defining placement rules: + +- Placement rules are defined in serial as there's only one DDL owner at the same time +- DDL is capable of disaster recovery as the middle states are persistent in TiKV +- DDL is rollbackable as the middle states can transform from one to another +- Updating schema version guarantees all active transactions are based on the same version of placement ruels + +### Rule priorities + +When several rules are defined for one record, the most granular rule is chosen for this record. More specifically, the rule priority is: index > partition > table > database > default. + +For example: + +1. At the beginning, all data is placed based on the default placement rules. +2. When a placement rule is added on table `t`, all data on `t` is placed based on the rule. +3. When a placement rule is added on partition `p0` of `t`, all data on `p0` is placed based on the rule of `p0`, but other partitions stay still. +4. When the placement rule on `p0` is removed, data on `p0` is placed based on the rule of `t`, just like other partitions. + +Rules priorities are checked when a placement rule is added, altered, or dropped. + +Rule priorities can be implemented by fields `index` and `override` in the PD placement rule configuration. `override` is alway enabled, and `index` stands for the priority. Rules with higher `index` will overwrite the rules with lower `index` and same key range, but rules with same `index` don't overwrite each other, they just accumulate. + +Specifically, `index` is in such a format: + +* `index` of default placement rules is 0 +* `index` of database placement rules is 1 +* `index` of table placement rules is 2 +* `index` of partition placement rules is 3 +* `index` of index placement rules is 4 + +In such a way, the most granular rule always works. + +### Rule inheritance + +In some cases, creating a new object doesn't need to store its placement rules: + +- Creating a database +- Creating an index on an unpartitioned table +- Creating an index on a partition + +In the last two cases, the key range of the index is included in the key range of the table or partition it belongs to. PD will guarantee the rule priorities described above. + +But in other cases, creating a new object needs to store its placement rules: + +- Creating a table in a database +- Creating a partition in a table + +The placement rules of databases and partitioned tables don't actually work on PD, because the key ranges don't include any records. They are stored on PD and only serve for querying when new objects are created in them. + +For example, when defining a placement rule on database `db`, the key range of this rule is empty. When a new table `t` is created in `db`, TiDB queries the placement rules of `db` and copies them to table `t`, but the new key range corresponds to table `t`. + +Once the placement rules on a database or a partitioned table are changed, the inherited placement rules are also updated, but others are kept. + +Consider such a scenario: + +```sql +ALTER DATABASE db + ALTER PLACEMENT POLICY CONSTRAINTS="[+zone=sh]" ROLE=voter REPLICAS=3; + +CREATE TABLE db.t1(id int); + +CREATE TABLE db.t2(id int); + +ALTER TABLE db.t2 + ADD PLACEMENT POLICY CONSTRAINTS="[+zone=bj]" ROLE=follower REPLICAS=1; + +ALTER DATABASE db + ALTER PLACEMENT POLICY CONSTRAINTS="[+zone=bj]" ROLE=voter REPLICAS=3, + ADD PLACEMENT POLICY CONSTRAINTS="[-zone=sh]" ROLE=follower; +``` + +The final placement rules of `t1` and `t2` will be: + +```sql +ALTER TABLE db.t1 + ALTER PLACEMENT POLICY CONSTRAINTS="[+zone=bj]" ROLE=voter REPLICAS=3, + ADD PLACEMENT POLICY CONSTRAINTS="[-zone=sh]" ROLE=follower; + +ALTER TABLE db.t2 + ALTER PLACEMENT POLICY CONSTRAINTS="[+zone=bj]" ROLE=voter REPLICAS=3, + ADD PLACEMENT POLICY CONSTRAINTS="[+zone=bj]" ROLE=follower REPLICAS=1; +``` + +Because all the placement rules on `t1` are inherited from `db`, they will keep the same with `db` all the time. The placement rule `CONSTRAINTS="[+zone=bj]" ROLE=follower REPLICAS=1` is private for `t2`, so it will be kept after the changement of `db`. But the other rule `CONSTRAINTS="[+zone=bj]" ROLE=voter REPLICAS=3` is still inherited from `db`. + +To achieve this goal, the placement rules should be marked with the source where they come from. + +### Building placement rules + +There needs a way to map the placement rules in SQL to PD placement rule configuration. Most of the fields are discussed above, so this part focuses on `group_id`, `id`, `start_key` and `end_key`. + +`group_id` is used to identify the source of the placement rules, so `group_id` is `tidb`. + +`ALTER PLACEMENT POLICY` and `DROP PLACEMENT POLICY` need to find the rules of a specified object efficiently. It can be achieved by encoding the object ID in `id`. + +However, an object may have multiple rules for a single role. For example: + +```sql +ALTER TABLE t + ALTER PLACEMENT POLICY CONSTRAINTS="{+zone=bj:2,+zone=sh:1}" ROLE=voter; +``` + +It needs 2 placement rules for `voter` in the PD placment rule configuration, because each rule can only specify one `count`. To make `id` unique, a unique identifier must be appended to `id`. DDL job ID plus an index in the job is a good choice. + +Take the case above for example, assuming the table ID of `t` is 100, the ID of the DDL job executing this statement is 200, then `id` of the placement rules are `100-200-1` and `100-200-2`. + +The prefix of `id` is in such a format: + +* Database: database id +* Table: table id +* Partition: partition id +* Unpartitioned index: the concatenation of table id and index id, e.g. `100_1` +* Partitioned index: the concatenation of partition id and index id + +To query all the placement rules for one object, PD looks for all the `id` with a specific prefix. + +As all placement rules are mapped to PD placement rule configurations, `start_key` and `end_key` must be generated for each object. However, databases and partitioned tables have no key ranges, so the only way is to generate a key range with no actual records. + +As database IDs are all globally unique, it's fine to replace table ID with database ID in the key range. For example, assuming the database ID is 100, then the string format of its key range is: + +- `start_key`: `t_{database_id}_` +- `end_key`: `t_{database_id+1}_` + +It's same for partitioned tables. + +### Future plans + +Many other features in TiDB are in development, some of which may influence placement rules. + +Clustered index affects the key format of primary index. Fortunately, the prefix of key range is untouched. + +Global secondary index largely affect the placement rules of partitioned tables. The key range of one global secondary index is not successive, so if it's necessary to define placement rules on the index, multiple rules should be generated in the PD. But for now, there's no such scenario. + +## Privilege management + +Privilege management is quite straightforward: + +* `ALTER` statement requires `Alter` privilege +* `information_schema.placement_rules` and `SHOW PLACEMENT POLICY` only shows the placement rules on the objects that visible to the current user +* `ADMIN SHOW DDL` requires `Super` privilege + +## Ecosystem tools + +Many tools are based on binlog or metadata. For example, TiDB-binlog is based on binlog, while Lightning and Dumpling are based on metadata. Placement rules need to be compatible with these tools. + +If the downstream is not TiDB, no change needs to be made. But even if it is TiDB, TiKV nodes may have a different geographical topology, which means the labels of TiKV nodes may be different. In this case, placement rules can not be enforced on them. + +Based on this consideration, placement rules need not to be exported to binlog or metadata. This is applicable for all tools, including TiCDC and BR. + +However, there may be also cases where users want exactly the same placement rules as the upstream, and altering placement rules manually is very annoying. It will be considered in the future if there’s a need. From 4745e1586eb252392c1efddb6c6d4d4a6aaf53f3 Mon Sep 17 00:00:00 2001 From: Evan Zhou Date: Thu, 15 Oct 2020 12:00:36 +0800 Subject: [PATCH 0029/1021] go.mod: update br version to resolve cyclic dependency (#20455) --- go.mod | 24 +++- go.sum | 268 ++++++++++++--------------------------- util/logutil/hex_test.go | 2 +- 3 files changed, 103 insertions(+), 191 deletions(-) diff --git a/go.mod b/go.mod index fd896eade4824..8cad21b4f45b2 100644 --- a/go.mod +++ b/go.mod @@ -2,13 +2,20 @@ module github.com/pingcap/tidb require ( github.com/BurntSushi/toml v0.3.1 + github.com/HdrHistogram/hdrhistogram-go v0.9.0 // indirect github.com/Jeffail/gabs/v2 v2.5.1 + github.com/aws/aws-sdk-go v1.30.24 // indirect github.com/blacktear23/go-proxyprotocol v0.0.0-20180807104634-af7a81e8dd0d + github.com/cheggaaa/pb/v3 v3.0.4 // indirect + github.com/codahale/hdrhistogram v0.9.0 // indirect + github.com/coreos/go-semver v0.3.0 // indirect github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548 github.com/cznic/sortutil v0.0.0-20181122101858-f5f958428db8 github.com/danjacques/gofslock v0.0.0-20191023191349-0a45f885bc37 github.com/dgraph-io/ristretto v0.0.1 github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2 + github.com/frankban/quicktest v1.11.1 // indirect + github.com/fsouza/fake-gcs-server v1.17.0 // indirect github.com/go-sql-driver/mysql v1.5.0 github.com/gogo/protobuf v1.3.1 github.com/golang/protobuf v1.3.4 @@ -19,7 +26,8 @@ require ( github.com/gorilla/mux v1.7.3 github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4 github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334 - github.com/juju/errors v0.0.0-20181118221551-089d3ea4e4d5 + github.com/juju/errors v0.0.0-20200330140219-3fe23663418f + github.com/juju/testing v0.0.0-20200923013621-75df6121fbb0 // indirect github.com/klauspost/cpuid v1.2.1 github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7 github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef @@ -27,14 +35,15 @@ require ( github.com/opentracing/basictracer-go v1.0.0 github.com/opentracing/opentracing-go v1.1.0 github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2 + github.com/pierrec/lz4 v2.5.2+incompatible // indirect github.com/pingcap/badger v1.5.1-0.20200908111422-2e78ee155d19 - github.com/pingcap/br v0.0.0-20200923023944-7456456854e4 + github.com/pingcap/br v4.0.0-beta.2.0.20201014031603-5676c8fdad1a+incompatible github.com/pingcap/check v0.0.0-20200212061837-5e12011dc712 github.com/pingcap/errors v0.11.5-0.20200917111840-a15ef68f753d github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce github.com/pingcap/fn v0.0.0-20191016082858-07623b84a47d github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 - github.com/pingcap/kvproto v0.0.0-20200828054126-d677e6fd224a + github.com/pingcap/kvproto v0.0.0-20200927054727-1290113160f0 github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 github.com/pingcap/parser v0.0.0-20201014065945-fb6bde872a79 github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a @@ -46,21 +55,26 @@ require ( github.com/shirou/gopsutil v2.19.10+incompatible github.com/sirupsen/logrus v1.6.0 github.com/soheilhy/cmux v0.1.4 + github.com/spf13/cobra v1.0.0 // indirect + github.com/spf13/pflag v1.0.5 // indirect github.com/tiancaiamao/appdash v0.0.0-20181126055449-889f96f722a2 - github.com/tikv/pd v1.1.0-beta.0.20200907085700-5b04bec39b99 + github.com/tikv/pd v1.1.0-beta.0.20200910042021-254d1345be09 github.com/twmb/murmur3 v1.1.3 github.com/uber-go/atomic v1.3.2 github.com/uber/jaeger-client-go v2.22.1+incompatible + github.com/uber/jaeger-lib v2.4.0+incompatible // indirect + github.com/zhangjinpeng1987/raft v0.0.0-20200819064223-df31bb68a018 // indirect go.etcd.io/etcd v0.5.0-alpha.5.0.20191023171146-3cf2f69b5738 go.uber.org/atomic v1.7.0 go.uber.org/automaxprocs v1.2.0 go.uber.org/multierr v1.6.0 // indirect go.uber.org/zap v1.16.0 - golang.org/x/net v0.0.0-20200813134508-3edf25e44fcc + golang.org/x/net v0.0.0-20200904194848-62affa334b73 golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208 golang.org/x/sys v0.0.0-20200819171115-d785dc25833f golang.org/x/text v0.3.3 golang.org/x/tools v0.0.0-20200820010801-b793a1359eac + google.golang.org/api v0.15.1 // indirect google.golang.org/grpc v1.26.0 gopkg.in/natefinch/lumberjack.v2 v2.0.0 honnef.co/go/tools v0.0.1-2020.1.6 // indirect diff --git a/go.sum b/go.sum index e250cefda157b..eb8163809e0e0 100644 --- a/go.sum +++ b/go.sum @@ -16,13 +16,14 @@ cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2k cloud.google.com/go/pubsub v1.1.0 h1:9/vpR43S4aJaROxqQHQ3nH9lfyKKV0dC3vOmnw8ebQQ= cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw= cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw= -cloud.google.com/go/storage v1.4.0/go.mod h1:ZusYJWlOshgSBGbt6K3GnB3MT3H1xs2id9+TCl4fDBA= cloud.google.com/go/storage v1.5.0 h1:RPUcBvDeYgQFMfQu1eBMq6piD1SXmLH+vK3qjewZPus= cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos= dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU= github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo= +github.com/HdrHistogram/hdrhistogram-go v0.9.0 h1:dpujRju0R4M/QZzcnR1LH1qm+TVG3UzkWdp5tH1WMcg= +github.com/HdrHistogram/hdrhistogram-go v0.9.0/go.mod h1:nxrse8/Tzg2tg3DZcZjm6qEclQKK70g0KxO61gFFZD4= github.com/Jeffail/gabs/v2 v2.5.1 h1:ANfZYjpMlfTTKebycu4X1AgkVWumFVDYQl7JwOr4mDk= github.com/Jeffail/gabs/v2 v2.5.1/go.mod h1:xCn81vdHKxFUuWWAaD5jCTQDNPBMh5pPs9IJ+NcziBI= github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc= @@ -38,6 +39,7 @@ github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d h1:G0m3OIz70MZUW github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg= github.com/VividCortex/ewma v1.1.1 h1:MnEK4VOv6n0RSY4vtRe3h11qjxL3+t0B8yOL8iMXdcM= github.com/VividCortex/ewma v1.1.1/go.mod h1:2Tkkvm3sRDVXaiyucHiACn4cqf7DpdyLvmxzcbUokwA= +github.com/VividCortex/mysqlerr v0.0.0-20200629151747-c28746d985dd/go.mod h1:f3HiCrHjHBdcm6E83vGaXh1KomZMA2P6aeo3hKx/wg0= github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc= github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= @@ -46,7 +48,6 @@ github.com/antihax/optional v0.0.0-20180407024304-ca021399b1a6/go.mod h1:V8iCPQY github.com/appleboy/gin-jwt/v2 v2.6.3/go.mod h1:MfPYA4ogzvOcVkRwAxT7quHOtQmVKDpTwxyUrC2DNw0= github.com/appleboy/gofight/v2 v2.1.2/go.mod h1:frW+U1QZEdDgixycTj4CygQ48yLTUhplt43+Wczp3rw= github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8= -github.com/aws/aws-sdk-go v1.26.1/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo= github.com/aws/aws-sdk-go v1.30.24 h1:y3JPD51VuEmVqN3BEDVm4amGpDma2cKJcDPuAU1OR58= github.com/aws/aws-sdk-go v1.30.24/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0= github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q= @@ -64,20 +65,16 @@ github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko= github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc= github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY= github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= -github.com/cheggaaa/pb/v3 v3.0.1/go.mod h1:SqqeMF/pMOIu3xgGoxtPYhMNQP258xE4x/XRTYua+KU= github.com/cheggaaa/pb/v3 v3.0.4 h1:QZEPYOj2ix6d5oEg63fbHmpolrnNiwjUsk+h74Yt4bM= github.com/cheggaaa/pb/v3 v3.0.4/go.mod h1:7rgWxLrAUcFMkvJuv09+DYi7mMUYi8nO9iOWcvGJPfw= github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI= -github.com/chzyer/readline v0.0.0-20171208011716-f6d7a1f6fbf3/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI= github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI= github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU= github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa h1:OaNxuTZr7kxeODyLWsRMC+OD03aFUH+mW6r2d+MWa5Y= github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8= -github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd h1:qMd81Ts1T2OTKmB4acZcyKaMtRnY5Y44NuXGX2GFJ1w= -github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI= -github.com/coocood/badger v1.5.1-0.20200515070411-e02af0688441/go.mod h1:klY8SfH2lNZ/23/SIxwHoJw+T6wYGB12YPCF9MUoiu0= -github.com/coocood/badger v1.5.1-0.20200528065104-c02ac3616d04/go.mod h1:klY8SfH2lNZ/23/SIxwHoJw+T6wYGB12YPCF9MUoiu0= +github.com/codahale/hdrhistogram v0.9.0 h1:9GjrtRI+mLEFPtTfR/AZhcxp+Ii8NZYWq5104FbZQY0= +github.com/codahale/hdrhistogram v0.9.0/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI= github.com/coocood/bbloom v0.0.0-20190830030839-58deb6228d64 h1:W1SHiII3e0jVwvaQFglwu3kS9NLxOeTpvik7MbKCyuQ= github.com/coocood/bbloom v0.0.0-20190830030839-58deb6228d64/go.mod h1:F86k/6c7aDUdwSUevnLpHS/3Q9hzYCE99jGk2xsHnt0= github.com/coocood/rtutil v0.0.0-20190304133409-c84515f646f2 h1:NnLfQ77q0G4k2Of2c1ceQ0ec6MkLQyDp+IGdVM0D8XM= @@ -89,11 +86,8 @@ github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3Ee github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM= github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk= github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= -github.com/coreos/go-systemd v0.0.0-20181031085051-9002847aa142/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e h1:Wf6HqHfScWJN9/ZjdUKyjop4mf3Qdd+1TvvltAvM3m8= github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= -github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f h1:JOrtw2xFKzlg+cbHpyrpLDmnN1HqhBfnX7WDiW7eG2c= -github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA= github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f h1:lBNOc5arjvs8E5mO2tbpBpLoyyu8B6e44T7hJy6potg= github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA= @@ -104,6 +98,7 @@ github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:ma github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM= github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY= +github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= github.com/cznic/golex v0.0.0-20181122101858-9c343928389c/go.mod h1:+bmmJDNmKlhWNG+gwWCkaBoTy39Fs+bzRxVBzoTQbIc= github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548 h1:iwZdTE0PVqJCos1vaoKsclOGD3ADKpshg3SRtYBbwso= github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548/go.mod h1:e6NPNENfs9mPDVNRekM7lKScauxd5kXTr1Mfyig6TDM= @@ -129,11 +124,9 @@ github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8 github.com/docker/go-units v0.4.0 h1:3uh0PgVws3nIA0Q+MwDC8yjEPf9zjRfZZWXZYDct3Tw= github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk= github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk= -github.com/dustin/go-humanize v0.0.0-20180421182945-02af3965c54e/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk= github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo= github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk= github.com/eknkc/amber v0.0.0-20171010120322-cdade1c07385/go.mod h1:0vRUJqYpeSZifjYj7uP3BG/gKcuzL9xWVV/Y+cK33KM= -github.com/elazarl/go-bindata-assetfs v1.0.0/go.mod h1:v+YaWX3bdea5J/mo8dSETolEo7R71Vk1u8bnjau5yw4= github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4= github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c= @@ -144,14 +137,13 @@ github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL github.com/fatih/structtag v1.2.0 h1:/OdNE99OxoI/PqaW/SuSK9uxxT3f/tcSZgon/ssNSx4= github.com/fatih/structtag v1.2.0/go.mod h1:mBJUNpUnHmRKrKlQQlmCrh5PuhftFbNv8Ys4/aAZl94= github.com/fogleman/gg v1.3.0/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k= +github.com/frankban/quicktest v1.11.1 h1:stwUsXhUGliQs9t0ZS39BWCltFdOHgABiIlihop8AD4= +github.com/frankban/quicktest v1.11.1/go.mod h1:K+q6oSqb0W0Ininfk863uOk1lMy69l/P6txr3mVT54s= github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I= github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= -github.com/fsouza/fake-gcs-server v1.15.0/go.mod h1:HNxAJ/+FY/XSsxuwz8iIYdp2GtMmPbJ8WQjjGMxd6Qk= github.com/fsouza/fake-gcs-server v1.17.0 h1:OeH75kBZcZa3ZE+zz/mFdJ2btt9FgqfjI7gIh9+5fvk= github.com/fsouza/fake-gcs-server v1.17.0/go.mod h1:D1rTE4YCyHFNa99oyJJ5HyclvN/0uQR+pM/VdlL83bw= github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04= -github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32 h1:Mn26/9ZMNWSw9C9ERFA1PUxfmGpolnw2v0bKOREu5ew= -github.com/ghodss/yaml v1.0.1-0.20190212211648-25d852aebe32/go.mod h1:GIjDIg/heH5DOkXY3YJ/wNhfHsQHoXGjl8G8amsYQ1I= github.com/gin-contrib/gzip v0.0.1/go.mod h1:fGBJBCdt6qCZuCAOwWuFhBB4OOq9EFqlo5dEaFhhu5w= github.com/gin-contrib/sse v0.0.0-20170109093832-22d885f9ecc7/go.mod h1:VJ0WA2NBN22VlZ2dKZQPAPnyWw5XTlK1KymzLKsr59s= github.com/gin-contrib/sse v0.0.0-20190301062529-5545eab6dad3/go.mod h1:VJ0WA2NBN22VlZ2dKZQPAPnyWw5XTlK1KymzLKsr59s= @@ -159,7 +151,6 @@ github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm github.com/gin-gonic/gin v1.3.0/go.mod h1:7cKuhb5qV2ggCFctp2fJQ+ErvciLZrIeoOSOm6mUr7Y= github.com/gin-gonic/gin v1.4.0/go.mod h1:OW2EZn3DO8Ln9oIKOvM++LBO+5UPHJJDH72/q/3rZdM= github.com/gin-gonic/gin v1.5.0/go.mod h1:Nd6IXA8m5kNZdNEHMBd93KT+mdY3+bewLgRvmCsR2Do= -github.com/go-bindata/go-bindata/v3 v3.1.3/go.mod h1:1/zrpXsLD8YDIbhZRqXzm1Ghc7NhEvIN9+Z6R5/xH4I= github.com/go-chi/chi v4.0.2+incompatible/go.mod h1:eB3wogJHnLi3x/kFX2A+IbTBlXxmMeXJVKy9tTv1XzQ= github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU= github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8= @@ -181,19 +172,13 @@ github.com/go-openapi/jsonreference v0.19.3 h1:5cxNfTy0UVC3X8JL5ymxzyoUZmo8iZb+j github.com/go-openapi/jsonreference v0.19.3/go.mod h1:rjx6GuL8TTa9VaixXglHmQmIL98+wF9xc8zWvFonSJ8= github.com/go-openapi/spec v0.19.0/go.mod h1:XkF/MOi14NmjsfZ8VtAKf8pIlbZzyoTvZsdfssdxcBI= github.com/go-openapi/spec v0.19.4/go.mod h1:FpwSN1ksY1eteniUU7X0N/BgJ7a4WvBFVA8Lj9mJglo= -github.com/go-openapi/spec v0.19.7 h1:0xWSeMd35y5avQAThZR2PkEuqSosoS5t6gDH4L8n11M= -github.com/go-openapi/spec v0.19.7/go.mod h1:Hm2Jr4jv8G1ciIAo+frC/Ft+rR2kQDh8JHKHb3gWUSk= github.com/go-openapi/swag v0.17.0/go.mod h1:AByQ+nYG6gQg71GINrmuDXCPWdL640yX49/kXLo40Tg= github.com/go-openapi/swag v0.19.2/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk= github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk= -github.com/go-openapi/swag v0.19.8 h1:vfK6jLhs7OI4tAXkvkooviaE1JEPcw3mutyegLHHjmk= -github.com/go-openapi/swag v0.19.8/go.mod h1:ao+8BpOPyKdpQz3AOJfbeEVpLmWAvlT1IfTe5McPyhY= github.com/go-playground/locales v0.12.1/go.mod h1:IUMDtCfWo/w/mtMfIE/IG2K+Ey3ygWanZIBtBW0W2TM= -github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8= github.com/go-playground/overalls v0.0.0-20180201144345-22ec1a223b7c h1:3bjbKXoj7jBYdHpQFbKL2546c4dtltTHzjo+5i4CHBU= github.com/go-playground/overalls v0.0.0-20180201144345-22ec1a223b7c/go.mod h1:UqxAgEOt89sCiXlrc/ycnx00LVvUO/eS8tMUkWX4R7w= github.com/go-playground/universal-translator v0.16.0/go.mod h1:1AnU7NaIRDWWzGEKwgtJRd2xk99HeFyHw3yid4rvQIY= -github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA= github.com/go-sql-driver/mysql v1.4.1/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w= github.com/go-sql-driver/mysql v1.5.0 h1:ozyZYNQW3x3HtqT1jira07DN2PArx2v7/mN66gGcHOs= github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg= @@ -209,13 +194,13 @@ github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGw github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58= github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q= github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= -github.com/golang/groupcache v0.0.0-20181024230925-c65c006176ff/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7 h1:5ZkaAPbicIKTF2I64qf5Fh8Aa83Q/dnOafMYV0OMwjA= github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A= github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A= +github.com/golang/mock v1.3.1 h1:qGJ6qTW+x6xX/my+8YUVl4WNpX9B7+/l2tRsHGZ7f2s= github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFUx0Y= github.com/golang/protobuf v0.0.0-20180814211427-aa810b61a9c7/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= @@ -223,7 +208,6 @@ github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5y github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= github.com/golang/protobuf v1.3.4 h1:87PNWwrRvUSnqS4dlcBU/ftvOIBep4sYuBLlh6rX2wk= github.com/golang/protobuf v1.3.4/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw= -github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q= github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4= github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q= github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ= @@ -234,12 +218,13 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4= github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/google/go-cmp v0.5.2 h1:X2ev0eStA3AbceY54o37/0PQ/UWqKEiiO2dKL5OPaFM= +github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= github.com/google/martian v2.1.0+incompatible h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPgecwXBIDzw5no= github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs= github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= -github.com/google/pprof v0.0.0-20190930153522-6ce02741cba3/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= github.com/google/pprof v0.0.0-20200407044318-7d83b28da2e9 h1:K+lX49/3eURCE1IjlaZN//u6c+9nfDAMnyQ9E2dsJbY= github.com/google/pprof v0.0.0-20200407044318-7d83b28da2e9/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM= github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI= @@ -255,7 +240,6 @@ github.com/gorilla/handlers v1.4.2/go.mod h1:Qkdc/uu4tH4g6mTK6auzZ766c4CA0Ng8+o/ github.com/gorilla/mux v1.7.3 h1:gnP5JzjVOuiZD07fKKToCAOjS0yOpj/qPETTXCCS6hw= github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs= github.com/gorilla/websocket v0.0.0-20170926233335-4201258b820c/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ= -github.com/gorilla/websocket v1.2.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ= github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q= github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ= github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs= @@ -267,8 +251,6 @@ github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY= github.com/grpc-ecosystem/grpc-gateway v1.12.1 h1:zCy2xE9ablevUOrUZc3Dl72Dt+ya2FNAvC2yLYMHzi4= github.com/grpc-ecosystem/grpc-gateway v1.12.1/go.mod h1:8XEsbTttt/W+VvjtQhLACqCisSPWTxCZ7sBRjU6iH9c= 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h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= +golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA= -golang.org/x/net v0.0.0-20200813134508-3edf25e44fcc h1:zK/HqS5bZxDptfPJNq8v7vJfXtkU7r9TLIoSr1bXaP4= -golang.org/x/net v0.0.0-20200813134508-3edf25e44fcc/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA= +golang.org/x/net v0.0.0-20200904194848-62affa334b73 h1:MXfv8rhZWmFeqX3GNZRsd6vOLoaCHjYEX3qkRo3YBUA= +golang.org/x/net v0.0.0-20200904194848-62affa334b73/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA= golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw= golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw= @@ -840,7 +740,6 @@ golang.org/x/sys v0.0.0-20191128015809-6d18c012aee9/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200819171115-d785dc25833f h1:KJuwZVtZBVzDmEDtB2zro9CXkD9O0dpCv4o2LHbQIAw= golang.org/x/sys v0.0.0-20200819171115-d785dc25833f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -882,15 +781,10 @@ golang.org/x/tools v0.0.0-20191114200427-caa0b0f7d508/go.mod h1:b+2E5dAYhXwXZwtn golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= -golang.org/x/tools v0.0.0-20191130070609-6e064ea0cf2d/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191216173652-a0e659d51361/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20191227053925-7b8e75db28f4/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= -golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20200225230052-807dcd883420/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= -golang.org/x/tools v0.0.0-20200325010219-a49f79bcc224/go.mod h1:Sl4aGygMT6LrqrWclx+PTx3U+LnKx/seiNR+3G19Ar8= -golang.org/x/tools v0.0.0-20200325203130-f53864d0dba1/go.mod h1:Sl4aGygMT6LrqrWclx+PTx3U+LnKx/seiNR+3G19Ar8= golang.org/x/tools v0.0.0-20200410194907-79a7a3126eef/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= -golang.org/x/tools v0.0.0-20200521211927-2b542361a4fc/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/tools v0.0.0-20200527183253-8e7acdbce89d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/tools v0.0.0-20200820010801-b793a1359eac h1:DugppSxw0LSF8lcjaODPJZoDzq0ElTGskTst3ZaBkHI= golang.org/x/tools v0.0.0-20200820010801-b793a1359eac/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA= @@ -947,16 +841,21 @@ gopkg.in/check.v1 v1.0.0-20160105164936-4f90aeace3a2/go.mod h1:Co6ibVJAznAaIkqp8 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo= gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b h1:QRR6H1YWRnHb4Y/HeNFCTJLFVxaq6wH4YuVdsUOr75U= +gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw= +gopkg.in/errgo.v1 v1.0.0-20161222125816-442357a80af5/go.mod h1:u0ALmqvLRxLI95fkdCEWrE6mhWYZW1aMOJHp5YXLHTg= gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI= gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4= gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE= gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y= gopkg.in/go-playground/validator.v9 v9.29.1/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ= -gopkg.in/go-playground/validator.v9 v9.31.0/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ= +gopkg.in/httprequest.v1 v1.1.1/go.mod h1:/CkavNL+g3qLOrpFHVrEx4NKepeqR4XTZWNj4sGGjz0= gopkg.in/mgo.v2 v2.0.0-20160818015218-f2b6f6c918c4 h1:hILp2hNrRnYjZpmIbx70psAHbBSEcQ1NIzDcUbJ1b6g= gopkg.in/mgo.v2 v2.0.0-20160818015218-f2b6f6c918c4/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA= +gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22 h1:VpOs+IwYnYBaFnrNAeB8UUWtL3vEUnzSCL1nVjPhqrw= +gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA= gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8= gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k= gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo= @@ -969,21 +868,20 @@ gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.7 h1:VUgggvou5XRW9mHwD/yXxIYSMtY0zoKQf/v226p2nyo= gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= -gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10= -gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU= +gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= -honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k= -honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k= -honnef.co/go/tools v0.0.1-2020.1.5 h1:nI5egYTGJakVyOryqLs1cQO5dO0ksin5XXs2pspk75k= -honnef.co/go/tools v0.0.1-2020.1.5/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k= honnef.co/go/tools v0.0.1-2020.1.6 h1:W18jzjh8mfPez+AwGLxmOImucz/IFjpNlrKVnaj2YVc= honnef.co/go/tools v0.0.1-2020.1.6/go.mod h1:pyyisuGw24ruLjrr1ddx39WE0y9OooInRzEYLhQB2YY= k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I= +launchpad.net/gocheck v0.0.0-20140225173054-000000000087/go.mod h1:hj7XX3B/0A+80Vse0e+BUHsHMTEhd0O4cpUHr/e/BUM= +launchpad.net/xmlpath v0.0.0-20130614043138-000000000004/go.mod h1:vqyExLOM3qBx7mvYRkoxjSCF945s0mbe7YynlKYXtsA= rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs= sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o= diff --git a/util/logutil/hex_test.go b/util/logutil/hex_test.go index 44c989f9da4c8..1c2e3cca66dbe 100644 --- a/util/logutil/hex_test.go +++ b/util/logutil/hex_test.go @@ -38,7 +38,7 @@ func (s *testHexSuite) TestHex(c *C) { region.StartKey = []byte{'t', 200, '\\', 000, 000, 000, '\\', 000, 000, 000, 37, '-', 000, 000, 000, 000, 000, 000, 000, 37} region.EndKey = []byte("3asg3asd") - c.Assert(logutil.Hex(®ion).String(), Equals, "{Id:6662 StartKey:74c85c0000005c000000252d0000000000000025 EndKey:3361736733617364 RegionEpoch: Peers:[]}") + c.Assert(logutil.Hex(®ion).String(), Equals, "{Id:6662 StartKey:74c85c0000005c000000252d0000000000000025 EndKey:3361736733617364 RegionEpoch: Peers:[] EncryptionMeta:}") } func (s *testHexSuite) TestPrettyPrint(c *C) { From d8155e9b669bec81187f73d728cc1fdc4bbfb4cd Mon Sep 17 00:00:00 2001 From: Win-Man <825895587@qq.com> Date: Thu, 15 Oct 2020 14:26:25 +0800 Subject: [PATCH 0030/1021] executor: fix float data accuracy (#20440) --- server/util.go | 22 +++++++++++++++++++-- server/util_test.go | 48 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 68 insertions(+), 2 deletions(-) diff --git a/server/util.go b/server/util.go index c3bee1b1122bb..3862be8905b04 100644 --- a/server/util.go +++ b/server/util.go @@ -347,14 +347,18 @@ func lengthEncodedIntSize(n uint64) int { } const ( - expFormatBig = 1e15 - expFormatSmall = 1e-15 + expFormatBig = 1e15 + expFormatSmall = 1e-15 + defaultMySQLPrec = 5 ) func appendFormatFloat(in []byte, fVal float64, prec, bitSize int) []byte { absVal := math.Abs(fVal) var out []byte if prec == types.UnspecifiedLength && (absVal >= expFormatBig || (absVal != 0 && absVal < expFormatSmall)) { + if bitSize == 32 { + prec = defaultMySQLPrec + } out = strconv.AppendFloat(in, fVal, 'e', prec, bitSize) valStr := out[len(in):] // remove the '+' from the string for compatibility. @@ -363,6 +367,20 @@ func appendFormatFloat(in []byte, fVal float64, prec, bitSize int) []byte { plusPosInOut := len(in) + plusPos out = append(out[:plusPosInOut], out[plusPosInOut+1:]...) } + // remove extra '0' + ePos := bytes.IndexByte(valStr, 'e') + pointPos := bytes.IndexByte(valStr, '.') + ePosInOut := len(in) + ePos + pointPosInOut := len(in) + pointPos + validPos := ePosInOut + for i := ePosInOut - 1; i >= pointPosInOut; i-- { + if out[i] == '0' || out[i] == '.' { + validPos = i + } else { + break + } + } + out = append(out[:validPos], out[ePosInOut:]...) } else { out = strconv.AppendFloat(in, fVal, 'f', prec, bitSize) } diff --git a/server/util_test.go b/server/util_test.go index 50ac761f48e4c..84c71cb8b62ed 100644 --- a/server/util_test.go +++ b/server/util_test.go @@ -341,6 +341,54 @@ func (s *testUtilSuite) TestAppendFormatFloat(c *C) { -1, 64, }, + { + -340282346638528860000000000000000000000, + "-3.40282e38", + -1, + 32, + }, + { + -34028236, + "-34028236.00", + 2, + 32, + }, + { + -17976921.34, + "-17976921.34", + 2, + 64, + }, + { + -3.402823466e+38, + "-3.40282e38", + -1, + 32, + }, + { + -1.7976931348623157e308, + "-1.7976931348623157e308", + -1, + 64, + }, + { + 10.0e20, + "1e21", + -1, + 32, + }, + { + 1e20, + "1e20", + -1, + 32, + }, + { + 10.0, + "10", + -1, + 32, + }, } for _, t := range tests { c.Assert(string(appendFormatFloat(nil, t.fVal, t.prec, t.bitSize)), Equals, t.out) From d726ba647e8c8e131624b6f73790b88c408462cc Mon Sep 17 00:00:00 2001 From: tangenta Date: Thu, 15 Oct 2020 15:12:28 +0800 Subject: [PATCH 0031/1021] expression: support decode more types through tidb_decode_key() (#20382) --- expression/builtin_info.go | 46 ++----- expression/builtin_info_vec.go | 7 +- expression/integration_test.go | 60 ++++++++- planner/core/expression_rewriter.go | 196 ++++++++++++++++++++++++++++ tablecodec/tablecodec.go | 5 + 5 files changed, 277 insertions(+), 37 deletions(-) diff --git a/expression/builtin_info.go b/expression/builtin_info.go index 29345d8605e14..993f4a869f954 100644 --- a/expression/builtin_info.go +++ b/expression/builtin_info.go @@ -18,9 +18,7 @@ package expression import ( - "encoding/hex" "sort" - "strconv" "strings" "github.com/pingcap/errors" @@ -28,11 +26,9 @@ import ( "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/privilege" "github.com/pingcap/tidb/sessionctx" - "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/chunk" - "github.com/pingcap/tidb/util/codec" "github.com/pingcap/tidb/util/plancodec" "github.com/pingcap/tidb/util/printer" "github.com/pingcap/tipb/go-tipb" @@ -757,38 +753,24 @@ func (b *builtinTiDBDecodeKeySig) evalString(row chunk.Row) (string, bool, error if isNull || err != nil { return "", isNull, err } - return decodeKey(b.ctx, s), false, nil + decode := func(ctx sessionctx.Context, s string) string { return s } + if fn := b.ctx.Value(TiDBDecodeKeyFunctionKey); fn != nil { + decode = fn.(func(ctx sessionctx.Context, s string) string) + } + return decode(b.ctx, s), false, nil } -func decodeKey(ctx sessionctx.Context, s string) string { - key, err := hex.DecodeString(s) - if err != nil { - ctx.GetSessionVars().StmtCtx.AppendWarning(errors.Errorf("invalid record/index key: %X", key)) - return s - } - // Auto decode byte if needed. - _, bs, err := codec.DecodeBytes(key, nil) - if err == nil { - key = bs - } - // Try to decode it as a record key. - tableID, handle, err := tablecodec.DecodeRecordKey(key) - if err == nil { - if handle.IsInt() { - return "tableID=" + strconv.FormatInt(tableID, 10) + ", _tidb_rowid=" + strconv.FormatInt(handle.IntValue(), 10) - } - return "tableID=" + strconv.FormatInt(tableID, 10) + ", clusterHandle=" + handle.String() - } - // Try decode as table index key. - tableID, indexID, indexValues, err := tablecodec.DecodeIndexKey(key) - if err == nil { - return "tableID=" + strconv.FormatInt(tableID, 10) + ", indexID=" + strconv.FormatInt(indexID, 10) + ", indexValues=" + strings.Join(indexValues, ",") - } - // TODO: try to decode other type key. - ctx.GetSessionVars().StmtCtx.AppendWarning(errors.Errorf("invalid record/index key: %X", key)) - return s +// TiDBDecodeKeyFunctionKeyType is used to identify the decoder function in context. +type TiDBDecodeKeyFunctionKeyType int + +// String() implements Stringer. +func (k TiDBDecodeKeyFunctionKeyType) String() string { + return "tidb_decode_key" } +// TiDBDecodeKeyFunctionKey is used to identify the decoder function in context. +const TiDBDecodeKeyFunctionKey TiDBDecodeKeyFunctionKeyType = 0 + type tidbDecodePlanFunctionClass struct { baseFunctionClass } diff --git a/expression/builtin_info_vec.go b/expression/builtin_info_vec.go index 272dc1833a167..0c0a6ea2dcd06 100644 --- a/expression/builtin_info_vec.go +++ b/expression/builtin_info_vec.go @@ -19,6 +19,7 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/parser/mysql" + "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/printer" @@ -340,12 +341,16 @@ func (b *builtinTiDBDecodeKeySig) vecEvalString(input *chunk.Chunk, result *chun return err } result.ReserveString(n) + decode := func(ctx sessionctx.Context, s string) string { return s } + if fn := b.ctx.Value(TiDBDecodeKeyFunctionKey); fn != nil { + decode = fn.(func(ctx sessionctx.Context, s string) string) + } for i := 0; i < n; i++ { if buf.IsNull(i) { result.AppendNull() continue } - result.AppendString(decodeKey(b.ctx, buf.GetString(i))) + result.AppendString(decode(b.ctx, buf.GetString(i))) } return nil } diff --git a/expression/integration_test.go b/expression/integration_test.go index 5ccf9fc3fd633..7f12bf5342f85 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -16,6 +16,7 @@ package expression_test import ( "bytes" "context" + "encoding/hex" "fmt" "math" "sort" @@ -38,7 +39,9 @@ import ( "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/store/mockstore" "github.com/pingcap/tidb/table" + "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" + "github.com/pingcap/tidb/util/codec" "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/kvcache" "github.com/pingcap/tidb/util/mock" @@ -4528,14 +4531,14 @@ func (s *testIntegrationSuite) TestTiDBInternalFunc(c *C) { defer s.cleanEnv(c) var result *testkit.Result result = tk.MustQuery("select tidb_decode_key( '74800000000000002B5F72800000000000A5D3' )") - result.Check(testkit.Rows("tableID=43, _tidb_rowid=42451")) + result.Check(testkit.Rows(`{"_tidb_rowid":42451,"table_id":"43"}`)) result = tk.MustQuery("select tidb_decode_key( '7480000000000000325f7205bff199999999999a013131000000000000f9' )") - result.Check(testkit.Rows("tableID=50, clusterHandle={1.1, 11}")) + result.Check(testkit.Rows(`{"handle":"{1.1, 11}","table_id":50}`)) result = tk.MustQuery("select tidb_decode_key( '74800000000000019B5F698000000000000001015257303100000000FB013736383232313130FF3900000000000000F8010000000000000000F7' )") - result.Check(testkit.Rows("tableID=411, indexID=1, indexValues=RW01,768221109,")) + result.Check(testkit.Rows(`{"index_id":1,"index_vals":"RW01, 768221109, ","table_id":411}`)) result = tk.MustQuery("select tidb_decode_key( '7480000000000000695F698000000000000001038000000000004E20' )") - result.Check(testkit.Rows("tableID=105, indexID=1, indexValues=20000")) + result.Check(testkit.Rows(`{"index_id":1,"index_vals":"20000","table_id":105}`)) // Test invalid record/index key. result = tk.MustQuery("select tidb_decode_key( '7480000000000000FF2E5F728000000011FFE1A3000000000000' )") @@ -4543,6 +4546,55 @@ func (s *testIntegrationSuite) TestTiDBInternalFunc(c *C) { warns := tk.Se.GetSessionVars().StmtCtx.GetWarnings() c.Assert(warns, HasLen, 1) c.Assert(warns[0].Err.Error(), Equals, "invalid record/index key: 7480000000000000FF2E5F728000000011FFE1A3000000000000") + + // Test in real tables. + tk.MustExec("use test;") + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t (a varchar(255), b int, c datetime, primary key (a, b, c));") + dom := domain.GetDomain(tk.Se) + is := dom.InfoSchema() + tbl, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) + c.Assert(err, IsNil) + getTime := func(year, month, day int, timeType byte) types.Time { + ret := types.NewTime(types.FromDate(year, month, day, 0, 0, 0, 0), timeType, types.DefaultFsp) + return ret + } + buildCommonKeyFromData := func(tableID int64, data []types.Datum) string { + k, err := codec.EncodeKey(tk.Se.GetSessionVars().StmtCtx, nil, data...) + c.Assert(err, IsNil) + h, err := kv.NewCommonHandle(k) + c.Assert(err, IsNil) + k = tablecodec.EncodeRowKeyWithHandle(tableID, h) + hexKey := hex.EncodeToString(codec.EncodeBytes(nil, k)) + return hexKey + } + // split table t by ('bbbb', 10, '2020-01-01'); + data := []types.Datum{types.NewStringDatum("bbbb"), types.NewIntDatum(10), types.NewTimeDatum(getTime(2020, 1, 1, mysql.TypeDatetime))} + sql := fmt.Sprintf("select tidb_decode_key( '%s' )", buildCommonKeyFromData(tbl.Meta().ID, data)) + result = tk.MustQuery(sql) + rs := fmt.Sprintf(`{"handle":{"a":"bbbb","b":"10","c":"2020-01-01 00:00:00"},"table_id":%d}`, tbl.Meta().ID) + result.Check(testkit.Rows(rs)) + + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t (a varchar(255), b int, c datetime, index idx(a, b, c));") + dom = domain.GetDomain(tk.Se) + is = dom.InfoSchema() + tbl, err = is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) + c.Assert(err, IsNil) + buildIndexKeyFromData := func(tableID, indexID int64, data []types.Datum) string { + k, err := codec.EncodeKey(tk.Se.GetSessionVars().StmtCtx, nil, data...) + c.Assert(err, IsNil) + k = tablecodec.EncodeIndexSeekKey(tableID, indexID, k) + hexKey := hex.EncodeToString(codec.EncodeBytes(nil, k)) + return hexKey + } + // split table t index idx by ('aaaaa', 100, '2000-01-01'); + data = []types.Datum{types.NewStringDatum("aaaaa"), types.NewIntDatum(100), types.NewTimeDatum(getTime(2000, 1, 1, mysql.TypeDatetime))} + hexKey := buildIndexKeyFromData(tbl.Meta().ID, tbl.Indices()[0].Meta().ID, data) + sql = fmt.Sprintf("select tidb_decode_key( '%s' )", hexKey) + result = tk.MustQuery(sql) + rs = fmt.Sprintf(`{"index_id":1,"index_vals":{"a":"aaaaa","b":"100","c":"2000-01-01 00:00:00"},"table_id":%d}`, tbl.Meta().ID) + result.Check(testkit.Rows(rs)) } func newStoreWithBootstrap() (kv.Storage, *domain.Domain, error) { diff --git a/planner/core/expression_rewriter.go b/planner/core/expression_rewriter.go index 1df958dfdbc5e..d7bd4cccd1b5d 100644 --- a/planner/core/expression_rewriter.go +++ b/planner/core/expression_rewriter.go @@ -15,8 +15,11 @@ package core import ( "context" + "encoding/hex" + "encoding/json" "strconv" "strings" + "time" "github.com/pingcap/errors" "github.com/pingcap/parser/ast" @@ -24,17 +27,22 @@ import ( "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/opcode" + "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/expression/aggregation" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/table" + "github.com/pingcap/tidb/table/tables" + "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" driver "github.com/pingcap/tidb/types/parser_driver" "github.com/pingcap/tidb/util/chunk" + "github.com/pingcap/tidb/util/codec" "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/hint" + "github.com/pingcap/tidb/util/rowcodec" "github.com/pingcap/tidb/util/stringutil" ) @@ -144,6 +152,7 @@ func (b *PlanBuilder) getExpressionRewriter(ctx context.Context, p LogicalPlan) if len(b.rewriterPool) < b.rewriterCounter { rewriter = &expressionRewriter{p: p, b: b, sctx: b.ctx, ctx: ctx} + rewriter.sctx.SetValue(expression.TiDBDecodeKeyFunctionKey, decodeKeyFromString) b.rewriterPool = append(b.rewriterPool, rewriter) return } @@ -1746,3 +1755,190 @@ func hasCurrentDatetimeDefault(col *table.Column) bool { } return strings.ToLower(x) == ast.CurrentTimestamp } + +func decodeKeyFromString(ctx sessionctx.Context, s string) string { + key, err := hex.DecodeString(s) + if err != nil { + ctx.GetSessionVars().StmtCtx.AppendWarning(errors.Errorf("invalid record/index key: %X", key)) + return s + } + // Auto decode byte if needed. + _, bs, err := codec.DecodeBytes(key, nil) + if err == nil { + key = bs + } + tableID := tablecodec.DecodeTableID(key) + if tableID == 0 { + ctx.GetSessionVars().StmtCtx.AppendWarning(errors.Errorf("invalid record/index key: %X", key)) + return s + } + dm := domain.GetDomain(ctx) + if dm == nil { + ctx.GetSessionVars().StmtCtx.AppendWarning(errors.Errorf("domain not found when decoding record/index key: %X", key)) + return s + } + tbl, _ := dm.InfoSchema().TableByID(tableID) + loc := ctx.GetSessionVars().Location() + if tablecodec.IsRecordKey(key) { + ret, err := decodeRecordKey(key, tableID, tbl, loc) + if err != nil { + ctx.GetSessionVars().StmtCtx.AppendWarning(err) + return s + } + return ret + } else if tablecodec.IsIndexKey(key) { + ret, err := decodeIndexKey(key, tableID, tbl, loc) + if err != nil { + ctx.GetSessionVars().StmtCtx.AppendWarning(err) + return s + } + return ret + } + ctx.GetSessionVars().StmtCtx.AppendWarning(errors.Errorf("invalid record/index key: %X", key)) + return s +} + +func decodeRecordKey(key []byte, tableID int64, tbl table.Table, loc *time.Location) (string, error) { + _, handle, err := tablecodec.DecodeRecordKey(key) + if err != nil { + return "", errors.Trace(err) + } + if handle.IsInt() { + ret := make(map[string]interface{}) + ret["table_id"] = strconv.FormatInt(tableID, 10) + ret["_tidb_rowid"] = handle.IntValue() + retStr, err := json.Marshal(ret) + if err != nil { + return "", errors.Trace(err) + } + return string(retStr), nil + } + if tbl != nil { + tblInfo := tbl.Meta() + idxInfo := tables.FindPrimaryIndex(tblInfo) + if idxInfo == nil { + return "", errors.Trace(errors.Errorf("primary key not found when decoding record key: %X", key)) + } + cols := make(map[int64]*types.FieldType, len(tblInfo.Columns)) + for _, col := range tblInfo.Columns { + cols[col.ID] = &col.FieldType + } + handleColIDs := make([]int64, 0, len(idxInfo.Columns)) + for _, col := range idxInfo.Columns { + handleColIDs = append(handleColIDs, tblInfo.Columns[col.Offset].ID) + } + + datumMap, err := tablecodec.DecodeHandleToDatumMap(handle, handleColIDs, cols, loc, nil) + if err != nil { + return "", errors.Trace(err) + } + ret := make(map[string]interface{}) + ret["table_id"] = tableID + handleRet := make(map[string]interface{}) + for colID, dt := range datumMap { + dtStr, err := dt.ToString() + if err != nil { + return "", errors.Trace(err) + } + found := false + for _, colInfo := range tblInfo.Columns { + if colInfo.ID == colID { + found = true + handleRet[colInfo.Name.L] = dtStr + break + } + } + if !found { + return "", errors.Trace(errors.Errorf("column not found when decoding record key: %X", key)) + } + } + ret["handle"] = handleRet + retStr, err := json.Marshal(ret) + if err != nil { + return "", errors.Trace(err) + } + return string(retStr), nil + } + ret := make(map[string]interface{}) + ret["table_id"] = tableID + ret["handle"] = handle.String() + retStr, err := json.Marshal(ret) + if err != nil { + return "", errors.Trace(err) + } + return string(retStr), nil +} + +func decodeIndexKey(key []byte, tableID int64, tbl table.Table, loc *time.Location) (string, error) { + if tbl != nil { + _, indexID, _, err := tablecodec.DecodeKeyHead(key) + if err != nil { + return "", errors.Trace(errors.Errorf("invalid record/index key: %X", key)) + } + tblInfo := tbl.Meta() + var colInfos []rowcodec.ColInfo + var tps []*types.FieldType + var targetIndex *model.IndexInfo + for _, idx := range tblInfo.Indices { + if idx.ID == indexID { + targetIndex = idx + colInfos = make([]rowcodec.ColInfo, 0, len(idx.Columns)) + tps = make([]*types.FieldType, 0, len(idx.Columns)) + for _, idxCol := range idx.Columns { + col := tblInfo.Columns[idxCol.Offset] + colInfos = append(colInfos, rowcodec.ColInfo{ + ID: col.ID, + Ft: rowcodec.FieldTypeFromModelColumn(col), + }) + tps = append(tps, rowcodec.FieldTypeFromModelColumn(col)) + } + break + } + } + if len(colInfos) == 0 || len(tps) == 0 || targetIndex == nil { + return "", errors.Trace(errors.Errorf("index not found when decoding index key: %X", key)) + } + values, err := tablecodec.DecodeIndexKV(key, []byte{0}, len(colInfos), tablecodec.HandleNotNeeded, colInfos) + if err != nil { + return "", errors.Trace(err) + } + ds := make([]types.Datum, 0, len(colInfos)) + for i := 0; i < len(colInfos); i++ { + d, err := tablecodec.DecodeColumnValue(values[i], tps[i], loc) + if err != nil { + return "", errors.Trace(err) + } + ds = append(ds, d) + } + ret := make(map[string]interface{}) + ret["table_id"] = tableID + ret["index_id"] = indexID + idxValMap := make(map[string]interface{}, len(targetIndex.Columns)) + for i := 0; i < len(targetIndex.Columns); i++ { + dtStr, err := ds[i].ToString() + if err != nil { + return "", errors.Trace(err) + } + idxValMap[targetIndex.Columns[i].Name.L] = dtStr + } + ret["index_vals"] = idxValMap + retStr, err := json.Marshal(ret) + if err != nil { + return "", errors.Trace(err) + } + return string(retStr), nil + } + _, indexID, indexValues, err := tablecodec.DecodeIndexKey(key) + if err != nil { + return "", errors.Trace(errors.Errorf("invalid index key: %X", key)) + } + ret := make(map[string]interface{}) + ret["table_id"] = tableID + ret["index_id"] = indexID + ret["index_vals"] = strings.Join(indexValues, ", ") + retStr, err := json.Marshal(ret) + if err != nil { + return "", errors.Trace(err) + } + return string(retStr), nil +} diff --git a/tablecodec/tablecodec.go b/tablecodec/tablecodec.go index 953614205a805..de18a1eb45813 100644 --- a/tablecodec/tablecodec.go +++ b/tablecodec/tablecodec.go @@ -856,6 +856,11 @@ func GenTableIndexPrefix(tableID int64) kv.Key { return appendTableIndexPrefix(buf, tableID) } +// IsRecordKey is used to check whether the key is an record key. +func IsRecordKey(k []byte) bool { + return len(k) > 11 && k[0] == 't' && k[10] == 'r' +} + // IsIndexKey is used to check whether the key is an index key. func IsIndexKey(k []byte) bool { return len(k) > 11 && k[0] == 't' && k[10] == 'i' From 8ed9a6ff6d8bb5d9c74f936d01182d4859ab14d1 Mon Sep 17 00:00:00 2001 From: Lenshood <7877221+LENSHOOD@users.noreply.github.com> Date: Thu, 15 Oct 2020 15:46:03 +0800 Subject: [PATCH 0032/1021] expression: fix TIMESTAMP func get wrong result with decimal (#15185) (#20088) --- expression/builtin_time.go | 2 +- expression/integration_test.go | 38 ++++++++++++++++++++++++++++++++++ types/time.go | 27 +++++++++++++++++++----- types/time_test.go | 37 +++++++++++++++++++++++++++++++-- 4 files changed, 96 insertions(+), 8 deletions(-) diff --git a/expression/builtin_time.go b/expression/builtin_time.go index 8a36c40668020..b779d5eb69035 100644 --- a/expression/builtin_time.go +++ b/expression/builtin_time.go @@ -4851,7 +4851,7 @@ func (c *timestampFunctionClass) getFunction(ctx sessionctx.Context, args []Expr } isFloat := false switch args[0].GetType().Tp { - case mysql.TypeFloat, mysql.TypeDouble, mysql.TypeNewDecimal: + case mysql.TypeFloat, mysql.TypeDouble, mysql.TypeNewDecimal, mysql.TypeLonglong: isFloat = true } bf, err := newBaseBuiltinFuncWithTp(ctx, c.funcName, args, types.ETDatetime, evalTps...) diff --git a/expression/integration_test.go b/expression/integration_test.go index 7f12bf5342f85..a17ebac430338 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -2173,6 +2173,44 @@ func (s *testIntegrationSuite2) TestTimeBuiltin(c *C) { result = tk.MustQuery("select time(\"-- --1\");") result.Check(testkit.Rows("00:00:00")) tk.MustQuery("show warnings;").Check(testkit.Rows("Warning 1292 Truncated incorrect time value: '-- --1'")) + + // fix issue #15185 + result = tk.MustQuery(`select timestamp(11111.1111)`) + result.Check(testkit.Rows("2001-11-11 00:00:00.0000")) + result = tk.MustQuery(`select timestamp(cast(11111.1111 as decimal(60, 5)))`) + result.Check(testkit.Rows("2001-11-11 00:00:00.00000")) + result = tk.MustQuery(`select timestamp(1021121141105.4324)`) + result.Check(testkit.Rows("0102-11-21 14:11:05.4324")) + result = tk.MustQuery(`select timestamp(cast(1021121141105.4324 as decimal(60, 5)))`) + result.Check(testkit.Rows("0102-11-21 14:11:05.43240")) + result = tk.MustQuery(`select timestamp(21121141105.101)`) + result.Check(testkit.Rows("2002-11-21 14:11:05.101")) + result = tk.MustQuery(`select timestamp(cast(21121141105.101 as decimal(60, 5)))`) + result.Check(testkit.Rows("2002-11-21 14:11:05.10100")) + result = tk.MustQuery(`select timestamp(1121141105.799055)`) + result.Check(testkit.Rows("2000-11-21 14:11:05.799055")) + result = tk.MustQuery(`select timestamp(cast(1121141105.799055 as decimal(60, 5)))`) + result.Check(testkit.Rows("2000-11-21 14:11:05.79906")) + result = tk.MustQuery(`select timestamp(121141105.123)`) + result.Check(testkit.Rows("2000-01-21 14:11:05.123")) + result = tk.MustQuery(`select timestamp(cast(121141105.123 as decimal(60, 5)))`) + result.Check(testkit.Rows("2000-01-21 14:11:05.12300")) + result = tk.MustQuery(`select timestamp(1141105)`) + result.Check(testkit.Rows("0114-11-05 00:00:00")) + result = tk.MustQuery(`select timestamp(cast(1141105 as decimal(60, 5)))`) + result.Check(testkit.Rows("0114-11-05 00:00:00.00000")) + result = tk.MustQuery(`select timestamp(41105.11)`) + result.Check(testkit.Rows("2004-11-05 00:00:00.00")) + result = tk.MustQuery(`select timestamp(cast(41105.11 as decimal(60, 5)))`) + result.Check(testkit.Rows("2004-11-05 00:00:00.00000")) + result = tk.MustQuery(`select timestamp(1105.3)`) + result.Check(testkit.Rows("2000-11-05 00:00:00.0")) + result = tk.MustQuery(`select timestamp(cast(1105.3 as decimal(60, 5)))`) + result.Check(testkit.Rows("2000-11-05 00:00:00.00000")) + result = tk.MustQuery(`select timestamp(105)`) + result.Check(testkit.Rows("2000-01-05 00:00:00")) + result = tk.MustQuery(`select timestamp(cast(105 as decimal(60, 5)))`) + result.Check(testkit.Rows("2000-01-05 00:00:00.00000")) } func (s *testIntegrationSuite) TestOpBuiltin(c *C) { diff --git a/types/time.go b/types/time.go index 14c6aaac82945..e49b6c258e219 100644 --- a/types/time.go +++ b/types/time.go @@ -816,6 +816,28 @@ func parseDatetime(sc *stmtctx.StatementContext, str string, fsp int8, isFloat b switch len(seps) { case 1: l := len(seps[0]) + // Values specified as numbers + if isFloat { + numOfTime, err := StrToInt(sc, seps[0], false) + if err != nil { + return ZeroDatetime, errors.Trace(ErrWrongValue.GenWithStackByArgs(DateTimeStr, str)) + } + + dateTime, err := ParseDatetimeFromNum(sc, numOfTime) + if err != nil { + return ZeroDatetime, errors.Trace(ErrWrongValue.GenWithStackByArgs(DateTimeStr, str)) + } + + year, month, day, hour, minute, second = + dateTime.Year(), dateTime.Month(), dateTime.Day(), dateTime.Hour(), dateTime.Minute(), dateTime.Second() + if l >= 9 && l <= 14 { + hhmmss = true + } + + break + } + + // Values specified as strings switch l { case 14: // No delimiter. // YYYYMMDDHHMMSS @@ -1613,11 +1635,6 @@ func parseDateTimeFromNum(sc *stmtctx.StatementContext, num int64) (Time, error) return getTime(sc, num, t.Type()) } - // Check YYYYMMDD. - if num < 10000101 { - return t, errors.Trace(ErrWrongValue.GenWithStackByArgs(TimeStr, strconv.FormatInt(num, 10))) - } - // Adjust hour/min/second. if num <= 99991231 { num = num * 1000000 diff --git a/types/time_test.go b/types/time_test.go index 7f74dc01ba0de..a4dd98261dd60 100644 --- a/types/time_test.go +++ b/types/time_test.go @@ -614,7 +614,7 @@ func (s *testTimeSuite) TestParseTimeFromNum(c *C) { {2010101011, true, types.ZeroDatetimeStr, true, types.ZeroDatetimeStr, true, types.ZeroDateStr}, {201010101, false, "2000-02-01 01:01:01", false, "2000-02-01 01:01:01", false, "2000-02-01"}, {20101010, false, "2010-10-10 00:00:00", false, "2010-10-10 00:00:00", false, "2010-10-10"}, - {2010101, true, types.ZeroDatetimeStr, true, types.ZeroDatetimeStr, true, types.ZeroDateStr}, + {2010101, false, "0201-01-01 00:00:00", true, types.ZeroDatetimeStr, false, "0201-01-01"}, {201010, false, "2020-10-10 00:00:00", false, "2020-10-10 00:00:00", false, "2020-10-10"}, {20101, false, "2002-01-01 00:00:00", false, "2002-01-01 00:00:00", false, "2002-01-01"}, {2010, true, types.ZeroDatetimeStr, true, types.ZeroDatetimeStr, true, types.ZeroDateStr}, @@ -747,6 +747,39 @@ func (s *testTimeSuite) TestToNumber(c *C) { } } +func (s *testTimeSuite) TestParseTimeFromFloatString(c *C) { + sc := mock.NewContext().GetSessionVars().StmtCtx + sc.IgnoreZeroInDate = true + defer testleak.AfterTest(c)() + table := []struct { + Input string + Fsp int8 + ExpectError bool + Expect string + }{ + {"20170118.123", 3, false, "2017-01-18 00:00:00.000"}, + {"121231113045.123345", 6, false, "2012-12-31 11:30:45.123345"}, + {"20121231113045.123345", 6, false, "2012-12-31 11:30:45.123345"}, + {"121231113045.9999999", 6, false, "2012-12-31 11:30:46.000000"}, + {"170105084059.575601", 6, false, "2017-01-05 08:40:59.575601"}, + {"201705051315111.22", 2, true, "0000-00-00 00:00:00.00"}, + {"2011110859.1111", 4, true, "0000-00-00 00:00:00.0000"}, + {"2011110859.1111", 4, true, "0000-00-00 00:00:00.0000"}, + {"191203081.1111", 4, true, "0000-00-00 00:00:00.0000"}, + {"43128.121105", 6, true, "0000-00-00 00:00:00.000000"}, + } + + for _, test := range table { + t, err := types.ParseTimeFromFloatString(sc, test.Input, mysql.TypeDatetime, test.Fsp) + if test.ExpectError { + c.Assert(err, NotNil) + } else { + c.Assert(err, IsNil) + c.Assert(t.String(), Equals, test.Expect) + } + } +} + func (s *testTimeSuite) TestParseFrac(c *C) { defer testleak.AfterTest(c)() tbl := []struct { @@ -1027,7 +1060,7 @@ func (s *testTimeSuite) TestParseDateFormat(c *C) { } } -func (s *testTimeSuite) TestTamestampDiff(c *C) { +func (s *testTimeSuite) TestTimestampDiff(c *C) { tests := []struct { unit string t1 types.CoreTime From 9958875f40565f84e1d88d49b71c74fa110a45e9 Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Thu, 15 Oct 2020 16:52:14 +0800 Subject: [PATCH 0033/1021] util: record sqls and heap profile when memory usage is higher than 80% system memory. (#18858) --- config/config.go | 82 ++++---- config/config.toml.example | 8 + util/disk/tempDir.go | 20 +- util/expensivequery/expensivequery.go | 4 + util/expensivequery/memory_usage_alarm.go | 240 ++++++++++++++++++++++ 5 files changed, 313 insertions(+), 41 deletions(-) create mode 100644 util/expensivequery/memory_usage_alarm.go diff --git a/config/config.go b/config/config.go index 40049b57d0465..9fa4a4be4695d 100644 --- a/config/config.go +++ b/config/config.go @@ -405,25 +405,26 @@ type Status struct { type Performance struct { MaxProcs uint `toml:"max-procs" json:"max-procs"` // Deprecated: use ServerMemoryQuota instead - MaxMemory uint64 `toml:"max-memory" json:"max-memory"` - ServerMemoryQuota uint64 `toml:"server-memory-quota" json:"server-memory-quota"` - StatsLease string `toml:"stats-lease" json:"stats-lease"` - StmtCountLimit uint `toml:"stmt-count-limit" json:"stmt-count-limit"` - FeedbackProbability float64 `toml:"feedback-probability" json:"feedback-probability"` - QueryFeedbackLimit uint `toml:"query-feedback-limit" json:"query-feedback-limit"` - PseudoEstimateRatio float64 `toml:"pseudo-estimate-ratio" json:"pseudo-estimate-ratio"` - ForcePriority string `toml:"force-priority" json:"force-priority"` - BindInfoLease string `toml:"bind-info-lease" json:"bind-info-lease"` - TxnEntrySizeLimit uint64 `toml:"txn-entry-size-limit" json:"txn-entry-size-limit"` - TxnTotalSizeLimit uint64 `toml:"txn-total-size-limit" json:"txn-total-size-limit"` - TCPKeepAlive bool `toml:"tcp-keep-alive" json:"tcp-keep-alive"` - CrossJoin bool `toml:"cross-join" json:"cross-join"` - RunAutoAnalyze bool `toml:"run-auto-analyze" json:"run-auto-analyze"` - DistinctAggPushDown bool `toml:"distinct-agg-push-down" json:"agg-push-down-join"` - CommitterConcurrency int `toml:"committer-concurrency" json:"committer-concurrency"` - MaxTxnTTL uint64 `toml:"max-txn-ttl" json:"max-txn-ttl"` - MemProfileInterval string `toml:"mem-profile-interval" json:"mem-profile-interval"` - IndexUsageSyncLease string `toml:"index-usage-sync-lease" json:"index-usage-sync-lease"` + MaxMemory uint64 `toml:"max-memory" json:"max-memory"` + ServerMemoryQuota uint64 `toml:"server-memory-quota" json:"server-memory-quota"` + MemoryUsageAlarmRatio float64 `toml:"memory-usage-alarm-ratio" json:"memory-usage-alarm-ratio"` + StatsLease string `toml:"stats-lease" json:"stats-lease"` + StmtCountLimit uint `toml:"stmt-count-limit" json:"stmt-count-limit"` + FeedbackProbability float64 `toml:"feedback-probability" json:"feedback-probability"` + QueryFeedbackLimit uint `toml:"query-feedback-limit" json:"query-feedback-limit"` + PseudoEstimateRatio float64 `toml:"pseudo-estimate-ratio" json:"pseudo-estimate-ratio"` + ForcePriority string `toml:"force-priority" json:"force-priority"` + BindInfoLease string `toml:"bind-info-lease" json:"bind-info-lease"` + TxnEntrySizeLimit uint64 `toml:"txn-entry-size-limit" json:"txn-entry-size-limit"` + TxnTotalSizeLimit uint64 `toml:"txn-total-size-limit" json:"txn-total-size-limit"` + TCPKeepAlive bool `toml:"tcp-keep-alive" json:"tcp-keep-alive"` + CrossJoin bool `toml:"cross-join" json:"cross-join"` + RunAutoAnalyze bool `toml:"run-auto-analyze" json:"run-auto-analyze"` + DistinctAggPushDown bool `toml:"distinct-agg-push-down" json:"agg-push-down-join"` + CommitterConcurrency int `toml:"committer-concurrency" json:"committer-concurrency"` + MaxTxnTTL uint64 `toml:"max-txn-ttl" json:"max-txn-ttl"` + MemProfileInterval string `toml:"mem-profile-interval" json:"mem-profile-interval"` + IndexUsageSyncLease string `toml:"index-usage-sync-lease" json:"index-usage-sync-lease"` } // PlanCache is the PlanCache section of the config. @@ -655,25 +656,26 @@ var defaultConf = Config{ RecordQPSbyDB: false, }, Performance: Performance{ - MaxMemory: 0, - ServerMemoryQuota: 0, - TCPKeepAlive: true, - CrossJoin: true, - StatsLease: "3s", - RunAutoAnalyze: true, - StmtCountLimit: 5000, - FeedbackProbability: 0.05, - QueryFeedbackLimit: 512, - PseudoEstimateRatio: 0.8, - ForcePriority: "NO_PRIORITY", - BindInfoLease: "3s", - TxnEntrySizeLimit: DefTxnEntrySizeLimit, - TxnTotalSizeLimit: DefTxnTotalSizeLimit, - DistinctAggPushDown: false, - CommitterConcurrency: 16, - MaxTxnTTL: 60 * 60 * 1000, // 1hour - MemProfileInterval: "1m", - IndexUsageSyncLease: "60s", + MaxMemory: 0, + ServerMemoryQuota: 0, + MemoryUsageAlarmRatio: 0.8, + TCPKeepAlive: true, + CrossJoin: true, + StatsLease: "3s", + RunAutoAnalyze: true, + StmtCountLimit: 5000, + FeedbackProbability: 0.05, + QueryFeedbackLimit: 512, + PseudoEstimateRatio: 0.8, + ForcePriority: "NO_PRIORITY", + BindInfoLease: "3s", + TxnEntrySizeLimit: DefTxnEntrySizeLimit, + TxnTotalSizeLimit: DefTxnTotalSizeLimit, + DistinctAggPushDown: false, + CommitterConcurrency: 16, + MaxTxnTTL: 60 * 60 * 1000, // 1hour + MemProfileInterval: "1m", + IndexUsageSyncLease: "60s", }, ProxyProtocol: ProxyProtocol{ Networks: "", @@ -930,6 +932,10 @@ func (c *Config) Valid() error { return fmt.Errorf("txn-total-size-limit should be less than %d", 10<<30) } + if c.Performance.MemoryUsageAlarmRatio > 1 || c.Performance.MemoryUsageAlarmRatio < 0 { + return fmt.Errorf("memory-usage-alarm-ratio in [Performance] must be greater than or equal to 0 and less than or equal to 1") + } + if c.StmtSummary.MaxStmtCount <= 0 { return fmt.Errorf("max-stmt-count in [stmt-summary] should be greater than 0") } diff --git a/config/config.toml.example b/config/config.toml.example index fb119a41b75e7..a178bacf00746 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -222,6 +222,14 @@ max-procs = 0 # Memory size quota for tidb server, 0 means unlimited server-memory-quota = 0 +# The alarm threshold when memory usage of the tidb-server exceeds. The valid value range is greater than or equal to 0 +# and less than or equal to 1. The default value is 0.8. +# If this configuration is set to 0 or 1, it'll disable the alarm. +# Otherwise, related information will be recorded in the directory `tmp-storage-path/record`. +# Note: If the configuration `server-memory-quota` is set and larger than 0, the alarm threshold will be +# `memory-usage-alarm-ratio * server-memory-quota`; otherwise, it'll be `memory-usage-alarm-ratio * system memory size`. +memory-usage-alarm-ratio = 0.8 + # StmtCountLimit limits the max count of statement inside a transaction. stmt-count-limit = 5000 diff --git a/util/disk/tempDir.go b/util/disk/tempDir.go index 3c182c0311f67..1b05d4c47bf1a 100644 --- a/util/disk/tempDir.go +++ b/util/disk/tempDir.go @@ -32,6 +32,11 @@ var ( sf singleflight.Group ) +const ( + lockFile = "_dir.lock" + recordDir = "record" +) + // CheckAndInitTempDir check whether the temp directory is existed. // If not, initializes the temp directory. func CheckAndInitTempDir() (err error) { @@ -64,7 +69,6 @@ func InitializeTempDir() error { return err } } - lockFile := "_dir.lock" tempDirLock, err = fslock.Lock(filepath.Join(tempDir, lockFile)) if err != nil { switch err { @@ -77,17 +81,27 @@ func InitializeTempDir() error { return err } + // Create dir for MemoryUsageAlarmRecord. + _, err = os.Stat(filepath.Join(tempDir, "record")) + if err != nil && !os.IsExist(err) { + err = os.MkdirAll(filepath.Join(tempDir, "record"), 0755) + if err != nil { + return err + } + } + subDirs, err := ioutil.ReadDir(tempDir) if err != nil { return err } // If it exists others files except lock file, creates another goroutine to clean them. - if len(subDirs) > 1 { + if len(subDirs) > 2 { go func() { for _, subDir := range subDirs { // Do not remove the lock file. - if subDir.Name() == lockFile { + switch subDir.Name() { + case lockFile, recordDir: continue } err := os.RemoveAll(filepath.Join(tempDir, subDir.Name())) diff --git a/util/expensivequery/expensivequery.go b/util/expensivequery/expensivequery.go index 8ab115e900ce6..c77a3f99ddc86 100644 --- a/util/expensivequery/expensivequery.go +++ b/util/expensivequery/expensivequery.go @@ -54,6 +54,7 @@ func (eqh *Handle) Run() { ticker := time.NewTicker(tickInterval) defer ticker.Stop() sm := eqh.sm.Load().(util.SessionManager) + record := initMemoryUsageAlarmRecord() for { select { case <-ticker.C: @@ -73,6 +74,9 @@ func (eqh *Handle) Run() { } } threshold = atomic.LoadUint64(&variable.ExpensiveQueryTimeThreshold) + if record.err == nil { + record.alarm4ExcessiveMemUsage(sm) + } case <-eqh.exitCh: return } diff --git a/util/expensivequery/memory_usage_alarm.go b/util/expensivequery/memory_usage_alarm.go new file mode 100644 index 0000000000000..6824bc4a230b3 --- /dev/null +++ b/util/expensivequery/memory_usage_alarm.go @@ -0,0 +1,240 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package expensivequery + +import ( + "fmt" + "io/ioutil" + "os" + "path/filepath" + "runtime" + rpprof "runtime/pprof" + "sort" + "strings" + "time" + + "github.com/pingcap/errors" + "github.com/pingcap/tidb/config" + "github.com/pingcap/tidb/util" + "github.com/pingcap/tidb/util/disk" + "github.com/pingcap/tidb/util/logutil" + "github.com/pingcap/tidb/util/memory" + "go.uber.org/zap" + "go.uber.org/zap/zapcore" +) + +type memoryUsageAlarm struct { + err error + isServerMemoryQuotaSet bool + serverMemoryQuota uint64 + lastCheckTime time.Time + + tmpDir string + lastLogFileName []string + lastProfileFileName [][]string // heap, goroutine +} + +func initMemoryUsageAlarmRecord() (record *memoryUsageAlarm) { + record = &memoryUsageAlarm{} + if alert := config.GetGlobalConfig().Performance.MemoryUsageAlarmRatio; alert == 0 || alert == 1 { + record.err = errors.New("close memory usage alarm recorder") + return + } + if quota := config.GetGlobalConfig().Performance.ServerMemoryQuota; quota != 0 { + record.serverMemoryQuota = quota + record.isServerMemoryQuotaSet = true + } else { + // TODO: Get the memory info in container directly. + record.serverMemoryQuota, record.err = memory.MemTotal() + if record.err != nil { + logutil.BgLogger().Error("get system total memory fail", zap.Error(record.err)) + return + } + record.isServerMemoryQuotaSet = false + } + record.lastCheckTime = time.Time{} + record.tmpDir = filepath.Join(config.GetGlobalConfig().TempStoragePath, "record") + record.lastProfileFileName = make([][]string, 2) + // Read last records + files, err := ioutil.ReadDir(record.tmpDir) + if err != nil { + return record + } + for _, f := range files { + name := filepath.Join(record.tmpDir, f.Name()) + if strings.Contains(f.Name(), "running_sql") { + record.lastLogFileName = append(record.lastLogFileName, name) + } + if strings.Contains(f.Name(), "heap") { + record.lastProfileFileName[0] = append(record.lastProfileFileName[0], name) + } + if strings.Contains(f.Name(), "goroutine") { + record.lastProfileFileName[1] = append(record.lastProfileFileName[1], name) + } + } + + return record +} + +// If Performance.ServerMemoryQuota is set, use `ServerMemoryQuota * MemoryUsageAlarmRatio` to check oom risk. +// If Performance.ServerMemoryQuota is not set, use `system total memory size * MemoryUsageAlarmRatio` to check oom risk. +func (record *memoryUsageAlarm) alarm4ExcessiveMemUsage(sm util.SessionManager) { + var memoryUsage uint64 + instanceStats := &runtime.MemStats{} + if record.isServerMemoryQuotaSet { + runtime.ReadMemStats(instanceStats) + memoryUsage = instanceStats.HeapAlloc + } else { + memoryUsage, record.err = memory.MemUsed() + if record.err != nil { + logutil.BgLogger().Error("get system memory usage fail", zap.Error(record.err)) + return + } + } + + // TODO: Consider NextGC to record SQLs. + if float64(memoryUsage) > float64(record.serverMemoryQuota)*config.GetGlobalConfig().Performance.MemoryUsageAlarmRatio { + // At least ten seconds between two recordings that memory usage is less than threshold (default 80% system memory). + // If the memory is still exceeded, only records once. + interval := time.Since(record.lastCheckTime) + record.lastCheckTime = time.Now() + if interval > 10*time.Second { + record.doRecord(memoryUsage, sm) + } + } +} + +func (record *memoryUsageAlarm) doRecord(memUsage uint64, sm util.SessionManager) { + logutil.BgLogger().Warn("the TiDB instance now takes a lot of memory, has the risk of OOM", + zap.Bool("is server-momory-quota set", record.isServerMemoryQuotaSet), + zap.Any("memory size", record.serverMemoryQuota), + zap.Any("memory usage", memUsage), + zap.Any("memory-usage-alarm-ratio", config.GetGlobalConfig().Performance.MemoryUsageAlarmRatio), + ) + + if record.err = disk.CheckAndInitTempDir(); record.err != nil { + return + } + record.recordSQLAndSummaryTable(sm) + record.recordProfile() + + tryRemove := func(filename *[]string) { + // Keep the last 5 files + for len(*filename) > 5 { + err := os.Remove((*filename)[0]) + if err != nil { + logutil.BgLogger().Error("remove temp files failed", zap.Error(err)) + return + } + *filename = (*filename)[1:] + } + } + tryRemove(&record.lastLogFileName) + for i := range record.lastProfileFileName { + tryRemove(&record.lastProfileFileName[i]) + } +} + +func (record *memoryUsageAlarm) recordSQLAndSummaryTable(sm util.SessionManager) { + processInfo := sm.ShowProcessList() + pinfo := make([]*util.ProcessInfo, 0, len(processInfo)) + for _, info := range processInfo { + if len(info.Info) != 0 { + pinfo = append(pinfo, info) + } + } + + fileName := filepath.Join(record.tmpDir, "running_sql"+record.lastCheckTime.Format(time.RFC3339)) + record.lastLogFileName = append(record.lastLogFileName, fileName) + f, err := os.Create(fileName) + if err != nil { + logutil.BgLogger().Error("create oom record file fail", zap.Error(err)) + return + } + defer func() { + err := f.Close() + if err != nil { + logutil.BgLogger().Error("close oom record file fail", zap.Error(err)) + } + }() + printTop10 := func(cmp func(i, j int) bool) { + sort.Slice(pinfo, cmp) + list := pinfo + if len(list) > 10 { + list = list[:10] + } + var buf strings.Builder + for i, info := range list { + buf.WriteString(fmt.Sprintf("SQL %v: \n", i)) + fields := genLogFields(record.lastCheckTime.Sub(info.Time), info) + for _, field := range fields { + switch field.Type { + case zapcore.StringType: + buf.WriteString(fmt.Sprintf("%v: %v", field.Key, field.String)) + case zapcore.Uint8Type, zapcore.Uint16Type, zapcore.Uint32Type, zapcore.Uint64Type: + buf.WriteString(fmt.Sprintf("%v: %v", field.Key, uint64(field.Integer))) + case zapcore.Int8Type, zapcore.Int16Type, zapcore.Int32Type, zapcore.Int64Type: + buf.WriteString(fmt.Sprintf("%v: %v", field.Key, field.Integer)) + } + buf.WriteString("\n") + } + } + buf.WriteString("\n") + _, err = f.WriteString(buf.String()) + } + + _, err = f.WriteString("The 10 SQLs with the most memory usage for OOM analysis\n") + printTop10(func(i, j int) bool { + return pinfo[i].StmtCtx.MemTracker.MaxConsumed() > pinfo[j].StmtCtx.MemTracker.MaxConsumed() + }) + + _, err = f.WriteString("The 10 SQLs with the most time usage for OOM analysis\n") + printTop10(func(i, j int) bool { + return pinfo[i].Time.Before(pinfo[j].Time) + }) + + logutil.BgLogger().Info("record SQLs with the most memory usage or time usage", zap.Any("SQLs file path", fileName)) +} + +func (record *memoryUsageAlarm) recordProfile() { + items := []struct { + name string + debug int + }{ + {name: "heap"}, + {name: "goroutine", debug: 2}, + } + for i, item := range items { + fileName := filepath.Join(record.tmpDir, item.name+record.lastCheckTime.Format(time.RFC3339)) + record.lastProfileFileName[i] = append(record.lastProfileFileName[i], fileName) + f, err := os.Create(fileName) + if err != nil { + logutil.BgLogger().Error(fmt.Sprintf("create %v profile file fail", item.name), zap.Error(err)) + return + } + defer func() { + err := f.Close() + if err != nil { + logutil.BgLogger().Error(fmt.Sprintf("close %v profile file fail", item.name), zap.Error(err)) + } + }() + p := rpprof.Lookup(item.name) + err = p.WriteTo(f, item.debug) + if err != nil { + logutil.BgLogger().Error(fmt.Sprintf("write %v profile file fail", item.name), zap.Error(err)) + return + } + logutil.BgLogger().Info(fmt.Sprintf("record %v profile successfully", item.name), zap.Any("Profile file path", fileName)) + } +} From cd16de894b4bc523bc6b7dd6241ab6f0e608a6fb Mon Sep 17 00:00:00 2001 From: miamiaoxyz Date: Thu, 15 Oct 2020 17:36:21 +0800 Subject: [PATCH 0034/1021] *: introduce LRUCache with limited memory for statistics (#18788) --- config/config.go | 7 + config/config.toml.example | 4 + config/config_test.go | 2 + config/config_util_test.go | 3 +- executor/infoschema_reader_test.go | 4 +- executor/simple_test.go | 2 +- go.sum | 4 + planner/core/cbo_test.go | 4 +- planner/core/find_best_task.go | 2 +- planner/core/planbuilder.go | 37 +--- sessionctx/variable/session.go | 6 +- sessionctx/variable/sysvar.go | 3 + sessionctx/variable/tidb_vars.go | 1 + sessionctx/variable/varsutil_test.go | 1 + statistics/handle/bootstrap.go | 251 +++++++++++++++++++------ statistics/handle/dump_test.go | 2 +- statistics/handle/handle.go | 188 ++++++++++--------- statistics/handle/handle_test.go | 31 ++-- statistics/handle/statscache.go | 170 +++++++++++++++++ statistics/handle/statscache_test.go | 262 +++++++++++++++++++++++++++ statistics/handle/update.go | 14 +- statistics/handle/update_test.go | 4 +- statistics/histogram.go | 25 ++- statistics/selectivity_test.go | 2 +- statistics/table.go | 101 ++++++++++- tidb-server/main.go | 1 + util/kvcache/simple_lru.go | 11 ++ 27 files changed, 926 insertions(+), 216 deletions(-) create mode 100644 statistics/handle/statscache.go create mode 100644 statistics/handle/statscache_test.go diff --git a/config/config.go b/config/config.go index 9fa4a4be4695d..bda3c05bda1d9 100644 --- a/config/config.go +++ b/config/config.go @@ -52,6 +52,8 @@ const ( DefMaxIndexLength = 3072 // DefMaxOfMaxIndexLength is the maximum index length(in bytes) for TiDB v3.0.7 and previous version. DefMaxOfMaxIndexLength = 3072 * 4 + // DefMinQuotaStatistics is the minimum statistic memory quota(in bytes). + DefMinQuotaStatistics = 32 << 30 // DefPort is the default port of TiDB DefPort = 4000 // DefStatusPort is the default status port of TiDB @@ -98,6 +100,7 @@ type Config struct { TempStoragePath string `toml:"tmp-storage-path" json:"tmp-storage-path"` OOMAction string `toml:"oom-action" json:"oom-action"` MemQuotaQuery int64 `toml:"mem-quota-query" json:"mem-quota-query"` + MemQuotaStatistics int64 `toml:"mem-quota-statistics" json:"mem-quota-statistics"` NestedLoopJoinCacheCapacity int64 `toml:"nested-loop-join-cache-capacity" json:"nested-loop-join-cache-capacity"` // TempStorageQuota describe the temporary storage Quota during query exector when OOMUseTmpStorage is enabled // If the quota exceed the capacity of the TempStoragePath, the tidb-server would exit with fatal error @@ -614,6 +617,7 @@ var defaultConf = Config{ TempStoragePath: tempStorageDirName, OOMAction: OOMActionCancel, MemQuotaQuery: 1 << 30, + MemQuotaStatistics: 32 << 30, NestedLoopJoinCacheCapacity: 20971520, EnableStreaming: false, EnableBatchDML: false, @@ -952,6 +956,9 @@ func (c *Config) Valid() error { if c.PreparedPlanCache.MemoryGuardRatio < 0 || c.PreparedPlanCache.MemoryGuardRatio > 1 { return fmt.Errorf("memory-guard-ratio in [prepared-plan-cache] must be NOT less than 0 and more than 1") } + if c.MemQuotaStatistics < DefMinQuotaStatistics { + return fmt.Errorf("memory-quota-statistics should be greater than %dB", DefMinQuotaStatistics) + } if len(c.IsolationRead.Engines) < 1 { return fmt.Errorf("the number of [isolation-read]engines for isolation read should be at least 1") } diff --git a/config/config.toml.example b/config/config.toml.example index a178bacf00746..60118e65a31ea 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -34,6 +34,10 @@ token-limit = 1000 # The maximum memory available for a single SQL statement. Default: 1GB mem-quota-query = 1073741824 +# The maximum memory limitation for statistics. Default: 32GB +# This value must not be less than 32GB. +mem-quota-statistics = 34359738368 + # The maximum number available of a NLJ cache for a single SQL statement. Default: 20MB nested-loop-join-cache-capacity = 20971520 diff --git a/config/config_test.go b/config/config_test.go index af1e9c64d81a2..bce88c5cd2cdb 100644 --- a/config/config_test.go +++ b/config/config_test.go @@ -188,6 +188,7 @@ server-version = "test_version" repair-mode = true max-server-connections = 200 mem-quota-query = 10000 +mem-quota-statistics = 10000 nested-loop-join-cache-capacity = 100 max-index-length = 3080 skip-register-to-dashboard = true @@ -258,6 +259,7 @@ spilled-file-encryption-method = "plaintext" c.Assert(conf.RepairMode, Equals, true) c.Assert(conf.MaxServerConnections, Equals, uint32(200)) c.Assert(conf.MemQuotaQuery, Equals, int64(10000)) + c.Assert(conf.MemQuotaStatistics, Equals, int64(10000)) c.Assert(conf.NestedLoopJoinCacheCapacity, Equals, int64(100)) c.Assert(conf.IsolationRead.Engines, DeepEquals, []string{"tiflash"}) c.Assert(conf.MaxIndexLength, Equals, 3080) diff --git a/config/config_util_test.go b/config/config_util_test.go index 7972fcf706000..1df11a8c5d5f8 100644 --- a/config/config_util_test.go +++ b/config/config_util_test.go @@ -56,6 +56,7 @@ func (s *testConfigSuite) TestMergeConfigItems(c *C) { newConf.Performance.PseudoEstimateRatio = 123 newConf.OOMAction = "panic" newConf.MemQuotaQuery = 123 + newConf.MemQuotaStatistics = 123 newConf.TiKVClient.StoreLimit = 123 // rejected @@ -66,7 +67,7 @@ func (s *testConfigSuite) TestMergeConfigItems(c *C) { as, rs := MergeConfigItems(oldConf, newConf) c.Assert(len(as), Equals, 10) - c.Assert(len(rs), Equals, 3) + c.Assert(len(rs), Equals, 4) for _, a := range as { _, ok := dynamicConfigItems[a] c.Assert(ok, IsTrue) diff --git a/executor/infoschema_reader_test.go b/executor/infoschema_reader_test.go index 670afa8e8b49d..abbf560a8281e 100644 --- a/executor/infoschema_reader_test.go +++ b/executor/infoschema_reader_test.go @@ -365,7 +365,7 @@ func (s *testInfoschemaTableSerialSuite) TestDataForTableStatsField(c *C) { defer func() { executor.TableStatsCacheExpiry = oldExpiryTime }() do := s.dom h := do.StatsHandle() - h.Clear() + h.Clear4Test() is := do.InfoSchema() tk := testkit.NewTestKit(c, s.store) @@ -414,7 +414,7 @@ func (s *testInfoschemaTableSerialSuite) TestPartitionsTable(c *C) { defer func() { executor.TableStatsCacheExpiry = oldExpiryTime }() do := s.dom h := do.StatsHandle() - h.Clear() + h.Clear4Test() is := do.InfoSchema() tk := testkit.NewTestKit(c, s.store) diff --git a/executor/simple_test.go b/executor/simple_test.go index 926534468bf88..fca62dedef2d7 100644 --- a/executor/simple_test.go +++ b/executor/simple_test.go @@ -564,7 +564,7 @@ func (s *testSuite3) TestDropStats(c *C) { c.Assert(err, IsNil) tableInfo := tbl.Meta() h := do.StatsHandle() - h.Clear() + h.Clear4Test() testKit.MustExec("analyze table t") statsTbl := h.GetTableStats(tableInfo) c.Assert(statsTbl.Pseudo, IsFalse) diff --git a/go.sum b/go.sum index eb8163809e0e0..744fa5476091a 100644 --- a/go.sum +++ b/go.sum @@ -79,7 +79,9 @@ github.com/coocood/bbloom v0.0.0-20190830030839-58deb6228d64 h1:W1SHiII3e0jVwvaQ github.com/coocood/bbloom v0.0.0-20190830030839-58deb6228d64/go.mod h1:F86k/6c7aDUdwSUevnLpHS/3Q9hzYCE99jGk2xsHnt0= github.com/coocood/rtutil v0.0.0-20190304133409-c84515f646f2 h1:NnLfQ77q0G4k2Of2c1ceQ0ec6MkLQyDp+IGdVM0D8XM= github.com/coocood/rtutil v0.0.0-20190304133409-c84515f646f2/go.mod h1:7qG7YFnOALvsx6tKTNmQot8d7cGFXM9TidzvRFLWYwM= +github.com/coreos/bbolt v1.3.2 h1:wZwiHHUieZCquLkDL0B8UhzreNWsPHooDAG3q34zk0s= github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk= +github.com/coreos/etcd v3.3.10+incompatible h1:jFneRYjIvLMLhDLCzuTuU4rSJUjRplcJQ7pD7MnhC04= github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE= github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk= github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk= @@ -566,10 +568,12 @@ github.com/uber/jaeger-lib v2.4.0+incompatible h1:fY7QsGQWiCt8pajv4r7JEvmATdCVaW github.com/uber/jaeger-lib v2.4.0+incompatible/go.mod h1:ComeNDZlWwrWnDv8aPp0Ba6+uUTzImX/AauajbLI56U= github.com/ugorji/go v1.1.4/go.mod h1:uQMGLiO92mf5W77hV/PUCpI3pbzQx3CRekS0kk+RGrc= github.com/ugorji/go v1.1.5-pre/go.mod h1:FwP/aQVg39TXzItUBMwnWp9T9gPQnXw4Poh4/oBQZ/0= +github.com/ugorji/go v1.1.7 h1:/68gy2h+1mWMrwZFeD1kQialdSzAb432dtpeJ42ovdo= github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw= github.com/ugorji/go/codec v0.0.0-20181022190402-e5e69e061d4f/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0= github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0= github.com/ugorji/go/codec v1.1.5-pre/go.mod h1:tULtS6Gy1AE1yCENaw4Vb//HLH5njI2tfCQDUqRd8fI= +github.com/ugorji/go/codec v1.1.7 h1:2SvQaVZ1ouYrrKKwoSk2pzd4A9evlKJb9oTL+OaLUSs= github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLYF3GoBXY= github.com/unrolled/render v0.0.0-20171102162132-65450fb6b2d3/go.mod h1:tu82oB5W2ykJRVioYsB+IQKcft7ryBr7w12qMBUPyXg= github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA= diff --git a/planner/core/cbo_test.go b/planner/core/cbo_test.go index ee857e8e44881..4394a6e006a38 100644 --- a/planner/core/cbo_test.go +++ b/planner/core/cbo_test.go @@ -496,7 +496,7 @@ func (s *testAnalyzeSuite) TestNullCount(c *C) { testKit.MustQuery(input[i]).Check(testkit.Rows(output[i]...)) } h := dom.StatsHandle() - h.Clear() + h.Clear4Test() c.Assert(h.Update(dom.InfoSchema()), IsNil) for i := 2; i < 4; i++ { s.testData.OnRecord(func() { @@ -552,7 +552,7 @@ func (s *testAnalyzeSuite) TestInconsistentEstimation(c *C) { tk.MustExec("analyze table t with 2 buckets") // Force using the histogram to estimate. tk.MustExec("update mysql.stats_histograms set stats_ver = 0") - dom.StatsHandle().Clear() + dom.StatsHandle().Clear4Test() dom.StatsHandle().Update(dom.InfoSchema()) // Using the histogram (a, b) to estimate `a = 5` will get 1.22, while using the CM Sketch to estimate // the `a = 5 and c = 5` will get 10, it is not consistent. diff --git a/planner/core/find_best_task.go b/planner/core/find_best_task.go index c6a2ae423e8cc..e8bb45331ca02 100644 --- a/planner/core/find_best_task.go +++ b/planner/core/find_best_task.go @@ -1222,7 +1222,7 @@ func getColumnRangeCounts(sc *stmtctx.StatementContext, colID int64, ranges []*r for i, ran := range ranges { if idxID >= 0 { idxHist := histColl.Indices[idxID] - if idxHist == nil || idxHist.IsInvalid(false) { + if idxHist == nil || idxHist.IsInvalid(sc, false) { return nil, false } count, err = histColl.GetRowCountByIndexRanges(sc, idxID, []*ranger.Range{ran}) diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index 9873208a81bd1..498c25e3cd59a 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -16,7 +16,6 @@ package core import ( "bytes" "context" - "encoding/binary" "fmt" "strings" "time" @@ -42,7 +41,7 @@ import ( "github.com/pingcap/tidb/store/tikv" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/types" - driver "github.com/pingcap/tidb/types/parser_driver" + "github.com/pingcap/tidb/types/parser_driver" util2 "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/execdetails" @@ -1688,43 +1687,25 @@ func (b *PlanBuilder) buildAnalyzeAllIndex(as *ast.AnalyzeTableStmt, opts map[as return p, nil } -var cmSketchSizeLimit = kv.TxnEntrySizeLimit / binary.MaxVarintLen32 - -var analyzeOptionLimit = map[ast.AnalyzeOptionType]uint64{ - ast.AnalyzeOptNumBuckets: 1024, - ast.AnalyzeOptNumTopN: 1024, - ast.AnalyzeOptCMSketchWidth: cmSketchSizeLimit, - ast.AnalyzeOptCMSketchDepth: cmSketchSizeLimit, - ast.AnalyzeOptNumSamples: 100000, -} - -var analyzeOptionDefault = map[ast.AnalyzeOptionType]uint64{ - ast.AnalyzeOptNumBuckets: 256, - ast.AnalyzeOptNumTopN: 20, - ast.AnalyzeOptCMSketchWidth: 2048, - ast.AnalyzeOptCMSketchDepth: 5, - ast.AnalyzeOptNumSamples: 10000, -} - func handleAnalyzeOptions(opts []ast.AnalyzeOpt) (map[ast.AnalyzeOptionType]uint64, error) { - optMap := make(map[ast.AnalyzeOptionType]uint64, len(analyzeOptionDefault)) - for key, val := range analyzeOptionDefault { + optMap := make(map[ast.AnalyzeOptionType]uint64, len(statistics.AnalyzeOptionDefault)) + for key, val := range statistics.AnalyzeOptionDefault { optMap[key] = val } for _, opt := range opts { if opt.Type == ast.AnalyzeOptNumTopN { - if opt.Value > analyzeOptionLimit[opt.Type] { - return nil, errors.Errorf("value of analyze option %s should not larger than %d", ast.AnalyzeOptionString[opt.Type], analyzeOptionLimit[opt.Type]) + if opt.Value > statistics.AnalyzeOptionLimit[opt.Type] { + return nil, errors.Errorf("value of analyze option %s should not larger than %d", ast.AnalyzeOptionString[opt.Type], statistics.AnalyzeOptionLimit[opt.Type]) } } else { - if opt.Value == 0 || opt.Value > analyzeOptionLimit[opt.Type] { - return nil, errors.Errorf("value of analyze option %s should be positive and not larger than %d", ast.AnalyzeOptionString[opt.Type], analyzeOptionLimit[opt.Type]) + if opt.Value == 0 || opt.Value > statistics.AnalyzeOptionLimit[opt.Type] { + return nil, errors.Errorf("value of analyze option %s should be positive and not larger than %d", ast.AnalyzeOptionString[opt.Type], statistics.AnalyzeOptionLimit[opt.Type]) } } optMap[opt.Type] = opt.Value } - if optMap[ast.AnalyzeOptCMSketchWidth]*optMap[ast.AnalyzeOptCMSketchDepth] > cmSketchSizeLimit { - return nil, errors.Errorf("cm sketch size(depth * width) should not larger than %d", cmSketchSizeLimit) + if optMap[ast.AnalyzeOptCMSketchWidth]*optMap[ast.AnalyzeOptCMSketchDepth] > statistics.CMSketchSizeLimit { + return nil, errors.Errorf("cm sketch size(depth * width) should not larger than %d", statistics.CMSketchSizeLimit) } return optMap, nil } diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 60abf5bfb176c..b25b8a46d7a86 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -858,6 +858,7 @@ func NewSessionVars() *SessionVars { } vars.MemQuota = MemQuota{ MemQuotaQuery: config.GetGlobalConfig().MemQuotaQuery, + MemQuotaStatistics: config.GetGlobalConfig().MemQuotaStatistics, NestedLoopJoinCacheCapacity: config.GetGlobalConfig().NestedLoopJoinCacheCapacity, // The variables below do not take any effect anymore, it's remaining for compatibility. @@ -1303,6 +1304,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.InitChunkSize = tidbOptPositiveInt32(val, DefInitChunkSize) case TIDBMemQuotaQuery: s.MemQuotaQuery = tidbOptInt64(val, config.GetGlobalConfig().MemQuotaQuery) + case TIDBMemQuotaStatistics: + s.MemQuotaStatistics = tidbOptInt64(val, config.GetGlobalConfig().MemQuotaStatistics) case TIDBNestedLoopJoinCacheCapacity: s.NestedLoopJoinCacheCapacity = tidbOptInt64(val, config.GetGlobalConfig().NestedLoopJoinCacheCapacity) case TIDBMemQuotaHashJoin: @@ -1728,7 +1731,8 @@ func (c *Concurrency) UnionConcurrency() int { type MemQuota struct { // MemQuotaQuery defines the memory quota for a query. MemQuotaQuery int64 - + // MemQuotaStatistics defines the memory quota for the statistic Cache. + MemQuotaStatistics int64 // NestedLoopJoinCacheCapacity defines the memory capacity for apply cache. NestedLoopJoinCacheCapacity int64 diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index bb1314269ba05..0ee616108fc3e 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -683,9 +683,11 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBMaxChunkSize, Value: strconv.Itoa(DefMaxChunkSize)}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowBatchCop, Value: strconv.Itoa(DefTiDBAllowBatchCop)}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBInitChunkSize, Value: strconv.Itoa(DefInitChunkSize)}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableCascadesPlanner, Value: "0", Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableIndexMerge, Value: "0", Type: TypeBool}, {Scope: ScopeSession, Name: TIDBMemQuotaQuery, Value: strconv.FormatInt(config.GetGlobalConfig().MemQuotaQuery, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, + {Scope: ScopeGlobal, Name: TIDBMemQuotaStatistics, Value: strconv.FormatInt(config.GetGlobalConfig().MemQuotaStatistics, 10), Type: TypeInt, MinValue: int64(32 << 30), MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TIDBMemQuotaHashJoin, Value: strconv.FormatInt(DefTiDBMemQuotaHashJoin, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TIDBMemQuotaMergeJoin, Value: strconv.FormatInt(DefTiDBMemQuotaMergeJoin, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TIDBMemQuotaSort, Value: strconv.FormatInt(DefTiDBMemQuotaSort, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, @@ -695,6 +697,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TIDBMemQuotaNestedLoopApply, Value: strconv.FormatInt(DefTiDBMemQuotaNestedLoopApply, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TiDBEnableStreaming, Value: "0", Type: TypeBool}, {Scope: ScopeSession, Name: TiDBEnableChunkRPC, Value: "1", Type: TypeBool}, + {Scope: ScopeSession, Name: TxnIsolationOneShot, Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableTablePartition, Value: "on"}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBHashJoinConcurrency, Value: strconv.Itoa(DefTiDBHashJoinConcurrency)}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index a3f890e7ef017..4415512766d7d 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -96,6 +96,7 @@ const ( // The following session variables controls the memory quota during query execution. // "tidb_mem_quota_query": control the memory quota of a query. TIDBMemQuotaQuery = "tidb_mem_quota_query" // Bytes. + TIDBMemQuotaStatistics = "tidb_mem_quota_statistics" TIDBNestedLoopJoinCacheCapacity = "tidb_nested_loop_join_cache_capacity" // TODO: remove them below sometime, it should have only one Quota(TIDBMemQuotaQuery). TIDBMemQuotaHashJoin = "tidb_mem_quota_hashjoin" // Bytes. diff --git a/sessionctx/variable/varsutil_test.go b/sessionctx/variable/varsutil_test.go index 946d12bd86cb8..dd4a0db50c550 100644 --- a/sessionctx/variable/varsutil_test.go +++ b/sessionctx/variable/varsutil_test.go @@ -84,6 +84,7 @@ func (s *testVarsutilSuite) TestNewSessionVars(c *C) { c.Assert(vars.MaxChunkSize, Equals, DefMaxChunkSize) c.Assert(vars.DMLBatchSize, Equals, DefDMLBatchSize) c.Assert(vars.MemQuotaQuery, Equals, config.GetGlobalConfig().MemQuotaQuery) + c.Assert(vars.MemQuotaStatistics, Equals, config.GetGlobalConfig().MemQuotaStatistics) c.Assert(vars.MemQuotaHashJoin, Equals, int64(DefTiDBMemQuotaHashJoin)) c.Assert(vars.MemQuotaMergeJoin, Equals, int64(DefTiDBMemQuotaMergeJoin)) c.Assert(vars.MemQuotaSort, Equals, int64(DefTiDBMemQuotaSort)) diff --git a/statistics/handle/bootstrap.go b/statistics/handle/bootstrap.go index f545fda4741cd..a896c3e9e18d9 100644 --- a/statistics/handle/bootstrap.go +++ b/statistics/handle/bootstrap.go @@ -15,10 +15,12 @@ package handle import ( "context" + "encoding/binary" "fmt" "github.com/cznic/mathutil" "github.com/pingcap/errors" + "github.com/pingcap/parser/ast" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" @@ -32,7 +34,11 @@ import ( "go.uber.org/zap" ) -func (h *Handle) initStatsMeta4Chunk(is infoschema.InfoSchema, cache *statsCache, iter *chunk.Iterator4Chunk) { +// defaultCMSAndHistSize is the default statistics data size for one (CMSKetch + Histogram). +var defaultCMSAndHistSize = int64(statistics.AnalyzeOptionDefault[ast.AnalyzeOptCMSketchWidth]*statistics.AnalyzeOptionDefault[ast.AnalyzeOptCMSketchDepth]*binary.MaxVarintLen32) + + int64(statistics.AnalyzeOptionDefault[ast.AnalyzeOptNumBuckets]*2*binary.MaxVarintLen64) + +func (h *Handle) initStatsMeta4Chunk(is infoschema.InfoSchema, tables map[int64]*statistics.Table, iter *chunk.Iterator4Chunk) { for row := iter.Begin(); row != iter.End(); row = iter.Next() { physicalID := row.GetInt64(1) table, ok := h.getTableByPhysicalID(is, physicalID) @@ -54,43 +60,45 @@ func (h *Handle) initStatsMeta4Chunk(is infoschema.InfoSchema, cache *statsCache Version: row.GetUint64(0), Name: getFullTableName(is, tableInfo), } - cache.tables[physicalID] = tbl + // Ignore the memory usage, it will be calculated later. + tables[tbl.PhysicalID] = tbl } } -func (h *Handle) initStatsMeta(is infoschema.InfoSchema) (statsCache, error) { +func (h *Handle) initStatsMeta(is infoschema.InfoSchema) (map[int64]*statistics.Table, error) { sql := "select HIGH_PRIORITY version, table_id, modify_count, count from mysql.stats_meta" rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) if len(rc) > 0 { defer terror.Call(rc[0].Close) } if err != nil { - return statsCache{}, errors.Trace(err) + return nil, errors.Trace(err) } - tables := statsCache{tables: make(map[int64]*statistics.Table)} + tables := make(map[int64]*statistics.Table) + req := rc[0].NewChunk() iter := chunk.NewIterator4Chunk(req) for { err := rc[0].Next(context.TODO(), req) if err != nil { - return statsCache{}, errors.Trace(err) + return nil, errors.Trace(err) } if req.NumRows() == 0 { break } - h.initStatsMeta4Chunk(is, &tables, iter) + h.initStatsMeta4Chunk(is, tables, iter) } return tables, nil } -func (h *Handle) initStatsHistograms4Chunk(is infoschema.InfoSchema, cache *statsCache, iter *chunk.Iterator4Chunk) { +func (h *Handle) initStatsHistograms4Chunk(is infoschema.InfoSchema, tables map[int64]*statistics.Table, iter *chunk.Iterator4Chunk) { for row := iter.Begin(); row != iter.End(); row = iter.Next() { - table, ok := cache.tables[row.GetInt64(0)] + table, ok := tables[row.GetInt64(0)] if !ok { continue } - id, ndv, nullCount, version, totColSize := row.GetInt64(2), row.GetInt64(3), row.GetInt64(5), row.GetUint64(4), row.GetInt64(7) - lastAnalyzePos := row.GetDatum(11, types.NewFieldType(mysql.TypeBlob)) + id, ndv, nullCount, version, totColSize := row.GetInt64(2), row.GetInt64(3), row.GetInt64(5), row.GetUint64(4), row.GetInt64(6) + lastAnalyzePos := row.GetDatum(10, types.NewFieldType(mysql.TypeBlob)) tbl, _ := h.getTableByPhysicalID(is, table.PhysicalID) if row.GetInt64(1) > 0 { var idxInfo *model.IndexInfo @@ -103,18 +111,13 @@ func (h *Handle) initStatsHistograms4Chunk(is infoschema.InfoSchema, cache *stat if idxInfo == nil { continue } - cms, err := statistics.DecodeCMSketch(row.GetBytes(6), nil) - if err != nil { - cms = nil - terror.Log(errors.Trace(err)) - } - hist := statistics.NewHistogram(id, ndv, nullCount, version, types.NewFieldType(mysql.TypeBlob), chunk.InitialCapacity, 0) + hist := statistics.NewHistogram(id, ndv, nullCount, version, types.NewFieldType(mysql.TypeBlob), 0, 0) index := &statistics.Index{ - Histogram: *hist, - CMSketch: cms, - Info: idxInfo, - StatsVer: row.GetInt64(8), - Flag: row.GetInt64(10), + Histogram: *hist, + PhysicalID: table.PhysicalID, + Info: idxInfo, + StatsVer: row.GetInt64(7), + Flag: row.GetInt64(9), } lastAnalyzePos.Copy(&index.LastAnalyzePos) table.Indices[hist.ID] = index @@ -130,14 +133,14 @@ func (h *Handle) initStatsHistograms4Chunk(is infoschema.InfoSchema, cache *stat continue } hist := statistics.NewHistogram(id, ndv, nullCount, version, &colInfo.FieldType, 0, totColSize) - hist.Correlation = row.GetFloat64(9) + hist.Correlation = row.GetFloat64(8) col := &statistics.Column{ Histogram: *hist, PhysicalID: table.PhysicalID, Info: colInfo, Count: nullCount, IsHandle: tbl.Meta().PKIsHandle && mysql.HasPriKeyFlag(colInfo.Flag), - Flag: row.GetInt64(10), + Flag: row.GetInt64(9), } lastAnalyzePos.Copy(&col.LastAnalyzePos) table.Columns[hist.ID] = col @@ -145,8 +148,72 @@ func (h *Handle) initStatsHistograms4Chunk(is infoschema.InfoSchema, cache *stat } } -func (h *Handle) initStatsHistograms(is infoschema.InfoSchema, cache *statsCache) error { - sql := "select HIGH_PRIORITY table_id, is_index, hist_id, distinct_count, version, null_count, cm_sketch, tot_col_size, stats_ver, correlation, flag, last_analyze_pos from mysql.stats_histograms" +// initStatsHistograms loads ALL the meta data except cm_sketch. +func (h *Handle) initStatsHistograms(is infoschema.InfoSchema, tables map[int64]*statistics.Table) error { + sql := "select HIGH_PRIORITY table_id, is_index, hist_id, distinct_count, version," + + " null_count, tot_col_size, stats_ver, correlation, flag, last_analyze_pos " + + "from mysql.stats_histograms" + rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) + if len(rc) > 0 { + defer terror.Call(rc[0].Close) + } + if err != nil { + return errors.Trace(err) + } + req := rc[0].NewChunk() + iter := chunk.NewIterator4Chunk(req) + for { + err := rc[0].Next(context.TODO(), req) + if err != nil { + return errors.Trace(err) + } + if req.NumRows() == 0 { + break + } + h.initStatsHistograms4Chunk(is, tables, iter) + } + return nil +} + +func (h *Handle) initCMSketch4Indices4Chunk(is infoschema.InfoSchema, tables map[int64]*statistics.Table, iter *chunk.Iterator4Chunk) { + for row := iter.Begin(); row != iter.End(); row = iter.Next() { + table, ok := tables[row.GetInt64(0)] + if !ok { + continue + } + id := row.GetInt64(2) + tbl, _ := h.getTableByPhysicalID(is, table.PhysicalID) + if row.GetInt64(1) > 0 { + var idxInfo *model.IndexInfo + for _, idx := range tbl.Meta().Indices { + if idx.ID == id { + idxInfo = idx + break + } + } + if idxInfo == nil { + continue + } + idx := table.Indices[id] + if idx == nil { + continue + } + cms, err := statistics.DecodeCMSketch(row.GetBytes(3), nil) + if err != nil { + cms = nil + terror.Log(errors.Trace(err)) + } + idx.CMSketch = cms + } + } +} + +func (h *Handle) initCMSketch4Indices(is infoschema.InfoSchema, tables map[int64]*statistics.Table) error { + // indcies should be loaded first + limitSize := h.mu.ctx.GetSessionVars().MemQuotaStatistics / defaultCMSAndHistSize + sql := "select HIGH_PRIORITY table_id, is_index, hist_id, cm_sketch " + + "from mysql.stats_histograms where is_index = 1 " + + fmt.Sprintf("order by table_id, hist_id limit %d", limitSize) rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) if len(rc) > 0 { defer terror.Call(rc[0].Close) @@ -164,18 +231,19 @@ func (h *Handle) initStatsHistograms(is infoschema.InfoSchema, cache *statsCache if req.NumRows() == 0 { break } - h.initStatsHistograms4Chunk(is, cache, iter) + h.initCMSketch4Indices4Chunk(is, tables, iter) } return nil } -func (h *Handle) initStatsTopN4Chunk(cache *statsCache, iter *chunk.Iterator4Chunk) { +func (h *Handle) initStatsTopN4Chunk(tables map[int64]*statistics.Table, iter *chunk.Iterator4Chunk) { for row := iter.Begin(); row != iter.End(); row = iter.Next() { - table, ok := cache.tables[row.GetInt64(0)] + table, ok := tables[row.GetInt64(0)] if !ok { continue } idx, ok := table.Indices[row.GetInt64(1)] + // If idx.CMSketch == nil, the index is not loaded. if !ok || idx.CMSketch == nil { continue } @@ -185,8 +253,59 @@ func (h *Handle) initStatsTopN4Chunk(cache *statsCache, iter *chunk.Iterator4Chu } } -func (h *Handle) initStatsTopN(cache *statsCache) error { - sql := "select HIGH_PRIORITY table_id, hist_id, value, count from mysql.stats_top_n where is_index = 1" +func (h *Handle) initStatsTopN(tables map[int64]*statistics.Table) error { + limitSize := (h.mu.ctx.GetSessionVars().MemQuotaStatistics / defaultCMSAndHistSize) * int64(statistics.AnalyzeOptionDefault[ast.AnalyzeOptNumTopN]) + sql := "select HIGH_PRIORITY table_id, hist_id, value, count " + + "from mysql.stats_top_n " + + fmt.Sprintf("where is_index = 1 order by table_id, hist_id limit %d", limitSize) + rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) + if len(rc) > 0 { + defer terror.Call(rc[0].Close) + } + if err != nil { + return errors.Trace(err) + } + req := rc[0].NewChunk() + iter := chunk.NewIterator4Chunk(req) + for { + err := rc[0].Next(context.TODO(), req) + if err != nil { + return errors.Trace(err) + } + if req.NumRows() == 0 { + break + } + h.initStatsTopN4Chunk(tables, iter) + } + return nil +} + +func initColumnCountMeta4Chunk(tables map[int64]*statistics.Table, iter *chunk.Iterator4Chunk) error { + for row := iter.Begin(); row != iter.End(); row = iter.Next() { + tableID, histID, decimalCount := row.GetInt64(0), row.GetInt64(1), row.GetMyDecimal(2) + table, ok := tables[tableID] + count, err := decimalCount.ToInt() + if !ok { + continue + } + if err != nil { + return err + } + column, ok := table.Columns[histID] + if !ok { + continue + } + column.Count += count + } + return nil +} + +// initColumnCount loads row count for each column. +func (h *Handle) initColumnCount(tables map[int64]*statistics.Table) (err error) { + sql := "select HIGH_PRIORITY table_id, hist_id, sum(count) " + + "from mysql.stats_buckets " + + "where is_index = 0 " + + "group by table_id, hist_id " rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) if len(rc) > 0 { defer terror.Call(rc[0].Close) @@ -204,15 +323,18 @@ func (h *Handle) initStatsTopN(cache *statsCache) error { if req.NumRows() == 0 { break } - h.initStatsTopN4Chunk(cache, iter) + err = initColumnCountMeta4Chunk(tables, iter) + if err != nil { + return err + } } return nil } -func initStatsBuckets4Chunk(ctx sessionctx.Context, cache *statsCache, iter *chunk.Iterator4Chunk) { +func initStatsBuckets4Chunk(ctx sessionctx.Context, tables map[int64]*statistics.Table, iter *chunk.Iterator4Chunk) { for row := iter.Begin(); row != iter.End(); row = iter.Next() { tableID, isIndex, histID := row.GetInt64(0), row.GetInt64(1), row.GetInt64(2) - table, ok := cache.tables[tableID] + table, ok := tables[tableID] if !ok { continue } @@ -220,18 +342,14 @@ func initStatsBuckets4Chunk(ctx sessionctx.Context, cache *statsCache, iter *chu var hist *statistics.Histogram if isIndex > 0 { index, ok := table.Indices[histID] - if !ok { + if !ok || index.CMSketch == nil { continue } hist = &index.Histogram lower, upper = types.NewBytesDatum(row.GetBytes(5)), types.NewBytesDatum(row.GetBytes(6)) } else { column, ok := table.Columns[histID] - if !ok { - continue - } - column.Count += row.GetInt64(3) - if !mysql.HasPriKeyFlag(column.Info.Flag) { + if !ok || !mysql.HasPriKeyFlag(column.Info.Flag) { continue } hist = &column.Histogram @@ -253,10 +371,14 @@ func initStatsBuckets4Chunk(ctx sessionctx.Context, cache *statsCache, iter *chu } hist.AppendBucket(&lower, &upper, row.GetInt64(3), row.GetInt64(4)) } + } -func (h *Handle) initStatsBuckets(cache *statsCache) error { - sql := "select HIGH_PRIORITY table_id, is_index, hist_id, count, repeats, lower_bound, upper_bound from mysql.stats_buckets order by table_id, is_index, hist_id, bucket_id" +func (h *Handle) initStatsBuckets(tables map[int64]*statistics.Table) (err error) { + limitSize := (h.mu.ctx.GetSessionVars().MemQuotaStatistics / defaultCMSAndHistSize) * int64(statistics.AnalyzeOptionDefault[ast.AnalyzeOptNumBuckets]) + sql := "select HIGH_PRIORITY table_id, is_index, hist_id, count, repeats, lower_bound," + + "upper_bound from mysql.stats_buckets " + + fmt.Sprintf("order by is_index desc, table_id, hist_id, bucket_id limit %d", limitSize) rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) if len(rc) > 0 { defer terror.Call(rc[0].Close) @@ -266,18 +388,31 @@ func (h *Handle) initStatsBuckets(cache *statsCache) error { } req := rc[0].NewChunk() iter := chunk.NewIterator4Chunk(req) + var lastTableID int64 = -1 + var totalRowsCnt int64 for { err := rc[0].Next(context.TODO(), req) + totalRowsCnt += int64(req.NumRows()) if err != nil { return errors.Trace(err) } if req.NumRows() == 0 { + if limitSize <= totalRowsCnt && lastTableID != -1 { + // remove the stats buckets of the last table_id because it may + // not be loaded fully. + tables[lastTableID] = tables[lastTableID].CopyWithoutBucketsAndCMS() + } break } - initStatsBuckets4Chunk(h.mu.ctx, cache, iter) + lastTableID = req.GetRow(req.NumRows() - 1).GetInt64(0) + initStatsBuckets4Chunk(h.mu.ctx, tables, iter) } - lastVersion := uint64(0) - for _, table := range cache.tables { + return nil +} + +func (h *Handle) preCalcScalar4StatsBuckets(tables map[int64]*statistics.Table) (lastVersion uint64, err error) { + lastVersion = uint64(0) + for _, table := range tables { lastVersion = mathutil.MaxUint64(lastVersion, table.Version) for _, idx := range table.Indices { for i := 1; i < idx.Len(); i++ { @@ -292,8 +427,7 @@ func (h *Handle) initStatsBuckets(cache *statsCache) error { col.PreCalculateScalar() } } - cache.version = lastVersion - return nil + return lastVersion, nil } // InitStats will init the stats cache using full load strategy. @@ -310,24 +444,35 @@ func (h *Handle) InitStats(is infoschema.InfoSchema) (err error) { if err != nil { return err } - cache, err := h.initStatsMeta(is) + tables, err := h.initStatsMeta(is) + if err != nil { + return errors.Trace(err) + } + err = h.initStatsHistograms(is, tables) if err != nil { return errors.Trace(err) } - err = h.initStatsHistograms(is, &cache) + err = h.initCMSketch4Indices(is, tables) if err != nil { return errors.Trace(err) } - err = h.initStatsTopN(&cache) + err = h.initStatsTopN(tables) if err != nil { return err } - err = h.initStatsBuckets(&cache) + err = h.initColumnCount(tables) + if err != nil { + return errors.Trace(err) + } + err = h.initStatsBuckets(tables) + if err != nil { + return errors.Trace(err) + } + version, err := h.preCalcScalar4StatsBuckets(tables) if err != nil { return errors.Trace(err) } - cache.initMemoryUsage() - h.updateStatsCache(cache) + h.statsCache.initStatsCache(tables, version) return nil } diff --git a/statistics/handle/dump_test.go b/statistics/handle/dump_test.go index d68181e0e8cab..9f4cde719a3ec 100644 --- a/statistics/handle/dump_test.go +++ b/statistics/handle/dump_test.go @@ -98,7 +98,7 @@ PARTITION BY RANGE ( a ) ( tk.MustExec("delete from mysql.stats_meta") tk.MustExec("delete from mysql.stats_histograms") tk.MustExec("delete from mysql.stats_buckets") - h.Clear() + h.Clear4Test() err = h.LoadStatsFromJSON(s.do.InfoSchema(), jsonTbl) c.Assert(err, IsNil) diff --git a/statistics/handle/handle.go b/statistics/handle/handle.go index 1322068479a11..11b381a7a8f1c 100644 --- a/statistics/handle/handle.go +++ b/statistics/handle/handle.go @@ -18,7 +18,6 @@ import ( "encoding/json" "fmt" "sync" - "sync/atomic" "time" "github.com/cznic/mathutil" @@ -40,20 +39,11 @@ import ( "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/logutil" - "github.com/pingcap/tidb/util/memory" "github.com/pingcap/tidb/util/sqlexec" atomic2 "go.uber.org/atomic" "go.uber.org/zap" ) -// statsCache caches the tables in memory for Handle. -type statsCache struct { - tables map[int64]*statistics.Table - // version is the latest version of cache. - version uint64 - memUsage int64 -} - // Handle can update stats info periodically. type Handle struct { mu struct { @@ -69,11 +59,7 @@ type Handle struct { // It can be read by multiple readers at the same time without acquiring lock, but it can be // written only after acquiring the lock. - statsCache struct { - sync.Mutex - atomic.Value - memTracker *memory.Tracker - } + statsCache *statsCache restrictedExec sqlexec.RestrictedSQLExecutor @@ -90,13 +76,11 @@ type Handle struct { lease atomic2.Duration } -// Clear the statsCache, only for test. -func (h *Handle) Clear() { +// Clear4Test the statsCache, only for test. +func (h *Handle) Clear4Test() { h.mu.Lock() - h.statsCache.Lock() - h.statsCache.Store(statsCache{tables: make(map[int64]*statistics.Table)}) - h.statsCache.memTracker = memory.NewTracker(memory.LabelForStatsCache, -1) - h.statsCache.Unlock() + h.SetBytesLimit4Test(h.mu.ctx.GetSessionVars().MemQuotaStatistics) + h.statsCache.Clear() for len(h.ddlEventCh) > 0 { <-h.ddlEventCh } @@ -124,10 +108,9 @@ func NewHandle(ctx sessionctx.Context, lease time.Duration) (*Handle, error) { if exec, ok := ctx.(sqlexec.RestrictedSQLExecutor); ok { handle.restrictedExec = exec } - handle.statsCache.memTracker = memory.NewTracker(memory.LabelForStatsCache, -1) + handle.statsCache = newStatsCache(ctx.GetSessionVars().MemQuotaStatistics) handle.mu.ctx = ctx handle.mu.rateMap = make(errorRateDeltaMap) - handle.statsCache.Store(statsCache{tables: make(map[int64]*statistics.Table)}) err := handle.RefreshVars() if err != nil { return nil, err @@ -160,15 +143,14 @@ func DurationToTS(d time.Duration) uint64 { // Update reads stats meta from store and updates the stats map. func (h *Handle) Update(is infoschema.InfoSchema) error { - oldCache := h.statsCache.Load().(statsCache) - lastVersion := oldCache.version + lastVersion := h.statsCache.GetVersion() // We need this because for two tables, the smaller version may write later than the one with larger version. // Consider the case that there are two tables A and B, their version and commit time is (A0, A1) and (B0, B1), // and A0 < B0 < B1 < A1. We will first read the stats of B, and update the lastVersion to B0, but we cannot read // the table stats of A0 if we read stats that greater than lastVersion which is B0. // We can read the stats if the diff between commit time and version is less than three lease. offset := DurationToTS(3 * h.Lease()) - if oldCache.version >= offset { + if lastVersion >= offset { lastVersion = lastVersion - offset } else { lastVersion = 0 @@ -212,7 +194,7 @@ func (h *Handle) Update(is infoschema.InfoSchema) error { tbl.Name = getFullTableName(is, tableInfo) tables = append(tables, tbl) } - h.updateStatsCache(oldCache.update(tables, deletedTableIDs, lastVersion)) + h.statsCache.Update(tables, deletedTableIDs, lastVersion) return nil } @@ -246,17 +228,25 @@ func buildPartitionID2TableID(is infoschema.InfoSchema) map[int64]int64 { // GetMemConsumed returns the mem size of statscache consumed func (h *Handle) GetMemConsumed() (size int64) { + h.statsCache.mu.Lock() size = h.statsCache.memTracker.BytesConsumed() + h.statsCache.mu.Unlock() return } -// GetAllTableStatsMemUsage get all the mem usage with true table. -// only used by test. -func (h *Handle) GetAllTableStatsMemUsage() int64 { - data := h.statsCache.Value.Load().(statsCache) - cache := data.copy() +// EraseTable4Test erase a table by ID and add new empty (with Meta) table. +// ONLY used for test. +func (h *Handle) EraseTable4Test(ID int64) { + table, _ := h.statsCache.Lookup(ID) + h.statsCache.Insert(table.CopyWithoutBucketsAndCMS()) +} + +// GetAllTableStatsMemUsage4Test get all the mem usage with true table. +// ONLY used for test. +func (h *Handle) GetAllTableStatsMemUsage4Test() int64 { + data := h.statsCache.GetAll() allUsage := int64(0) - for _, t := range cache.tables { + for _, t := range data { allUsage += t.MemoryUsage() } return allUsage @@ -269,72 +259,49 @@ func (h *Handle) GetTableStats(tblInfo *model.TableInfo) *statistics.Table { // GetPartitionStats retrieves the partition stats from cache. func (h *Handle) GetPartitionStats(tblInfo *model.TableInfo, pid int64) *statistics.Table { - statsCache := h.statsCache.Load().(statsCache) - tbl, ok := statsCache.tables[pid] + tbl, ok := h.statsCache.Lookup(pid) if !ok { tbl = statistics.PseudoTable(tblInfo) tbl.PhysicalID = pid - h.updateStatsCache(statsCache.update([]*statistics.Table{tbl}, nil, statsCache.version)) + h.statsCache.Update([]*statistics.Table{tbl}, nil, h.statsCache.GetVersion()) return tbl } return tbl } -func (h *Handle) updateStatsCache(newCache statsCache) { - h.statsCache.Lock() - oldCache := h.statsCache.Load().(statsCache) - if oldCache.version <= newCache.version { - h.statsCache.memTracker.Consume(newCache.memUsage - oldCache.memUsage) - h.statsCache.Store(newCache) - } - h.statsCache.Unlock() -} - -func (sc statsCache) copy() statsCache { - newCache := statsCache{tables: make(map[int64]*statistics.Table, len(sc.tables)), - version: sc.version, - memUsage: sc.memUsage} - for k, v := range sc.tables { - newCache.tables[k] = v - } - return newCache -} - -//initMemoryUsage calc total memory usage of statsCache and set statsCache.memUsage -//should be called after the tables and their stats are initilazed -func (sc statsCache) initMemoryUsage() { - sum := int64(0) - for _, tb := range sc.tables { - sum += tb.MemoryUsage() - } - sc.memUsage = sum - return +// SetBytesLimit4Test sets the bytes limit for this tracker. "bytesLimit <= 0" means no limit. +// Only used for test. +func (h *Handle) SetBytesLimit4Test(bytesLimit int64) { + h.statsCache.mu.Lock() + h.statsCache.memTracker.SetBytesLimit(bytesLimit) + h.statsCache.memCapacity = bytesLimit + h.statsCache.mu.Unlock() } -// update updates the statistics table cache using copy on write. -func (sc statsCache) update(tables []*statistics.Table, deletedIDs []int64, newVersion uint64) statsCache { - newCache := sc.copy() - newCache.version = newVersion - for _, tbl := range tables { - id := tbl.PhysicalID - if ptbl, ok := newCache.tables[id]; ok { - newCache.memUsage -= ptbl.MemoryUsage() - } - newCache.tables[id] = tbl - newCache.memUsage += tbl.MemoryUsage() +// CanRuntimePrune indicates whether tbl support runtime prune for table and first partition id. +func (h *Handle) CanRuntimePrune(tid, p0Id int64) bool { + if h == nil { + return false } - for _, id := range deletedIDs { - if ptbl, ok := newCache.tables[id]; ok { - newCache.memUsage -= ptbl.MemoryUsage() - } - delete(newCache.tables, id) + if tid == p0Id { + return false + } + _, tblExists := h.statsCache.Lookup(tid) + if tblExists { + return true } - return newCache + _, partExists := h.statsCache.Lookup(p0Id) + if !partExists { + return true + } + return false + } // LoadNeededHistograms will load histograms for those needed columns. func (h *Handle) LoadNeededHistograms() (err error) { cols := statistics.HistogramNeededColumns.AllCols() + idxs := statistics.HistogramNeededIndices.AllIdxs() reader, err := h.getStatsReader(nil) if err != nil { return err @@ -348,8 +315,7 @@ func (h *Handle) LoadNeededHistograms() (err error) { }() for _, col := range cols { - statsCache := h.statsCache.Load().(statsCache) - tbl, ok := statsCache.tables[col.TableID] + tbl, ok := h.statsCache.Lookup(col.TableID) if !ok { continue } @@ -375,21 +341,51 @@ func (h *Handle) LoadNeededHistograms() (err error) { Count: int64(hg.TotalRowCount()), IsHandle: c.IsHandle, } - h.updateStatsCache(statsCache.update([]*statistics.Table{tbl}, nil, statsCache.version)) + h.statsCache.Update([]*statistics.Table{tbl}, nil, h.statsCache.GetVersion()) statistics.HistogramNeededColumns.Delete(col) } + + for _, pidx := range idxs { + tbl, ok := h.statsCache.Lookup(pidx.TableID) + if !ok { + continue + } + tbl = tbl.Copy() + idx, ok := tbl.Indices[pidx.IndexID] + if !ok || idx.Len() > 0 { + statistics.HistogramNeededIndices.Delete(pidx) + continue + } + hg, err := h.histogramFromStorage(reader, pidx.TableID, idx.ID, types.NewFieldType(mysql.TypeBlob), idx.NDV, 1, idx.LastUpdateVersion, idx.NullCount, 0, 0) + if err != nil { + return errors.Trace(err) + } + cms, err := h.cmSketchFromStorage(reader, pidx.TableID, 1, pidx.IndexID) + if err != nil { + return errors.Trace(err) + } + tbl.Indices[idx.ID] = &statistics.Index{ + Histogram: *hg, + CMSketch: cms, + PhysicalID: pidx.TableID, + Info: idx.Info, + StatsVer: idx.StatsVer, + Flag: idx.Flag, + } + h.statsCache.Update([]*statistics.Table{tbl}, nil, h.statsCache.GetVersion()) + statistics.HistogramNeededIndices.Delete(pidx) + } return nil } // LastUpdateVersion gets the last update version. func (h *Handle) LastUpdateVersion() uint64 { - return h.statsCache.Load().(statsCache).version + return h.statsCache.GetVersion() } // SetLastUpdateVersion sets the last update version. func (h *Handle) SetLastUpdateVersion(version uint64) { - statsCache := h.statsCache.Load().(statsCache) - h.updateStatsCache(statsCache.update(nil, nil, version)) + h.statsCache.Update(nil, nil, version) } // FlushStats flushes the cached stats update into store. @@ -449,7 +445,7 @@ func (h *Handle) indexStatsFromStorage(reader *statsReader, row chunk.Row, table if err != nil { return errors.Trace(err) } - idx = &statistics.Index{Histogram: *hg, CMSketch: cms, Info: idxInfo, ErrorRate: errorRate, StatsVer: row.GetInt64(7), Flag: flag} + idx = &statistics.Index{Histogram: *hg, CMSketch: cms, Info: idxInfo, ErrorRate: errorRate, StatsVer: row.GetInt64(7), Flag: flag, PhysicalID: table.PhysicalID} lastAnalyzePos.Copy(&idx.LastAnalyzePos) } break @@ -562,7 +558,8 @@ func (h *Handle) tableStatsFromStorage(tableInfo *model.TableInfo, physicalID in err = err1 } }() - table, ok := h.statsCache.Load().(statsCache).tables[physicalID] + table, ok := h.statsCache.Lookup(physicalID) + // If table stats is pseudo, we also need to copy it, since we will use the column stats when // the average error rate of it is small. if !ok || historyStatsExec != nil { @@ -954,10 +951,11 @@ func (h *Handle) ReloadExtendedStatistics() error { if err != nil { return err } - oldCache := h.statsCache.Load().(statsCache) - tables := make([]*statistics.Table, 0, len(oldCache.tables)) - for physicalID, tbl := range oldCache.tables { - t, err := h.extendedStatsFromStorage(reader, tbl.Copy(), physicalID, true) + allTables := h.statsCache.GetAll() + tables := make([]*statistics.Table, 0, len(allTables)) + for _, tbl := range allTables { + t, err := h.extendedStatsFromStorage(reader, tbl.Copy(), tbl.PhysicalID, true) + if err != nil { return err } @@ -968,7 +966,7 @@ func (h *Handle) ReloadExtendedStatistics() error { return err } // Note that this update may fail when the statsCache.version has been modified by others. - h.updateStatsCache(oldCache.update(tables, nil, oldCache.version)) + h.statsCache.Update(tables, nil, h.statsCache.GetVersion()) return nil } diff --git a/statistics/handle/handle_test.go b/statistics/handle/handle_test.go index e5c3d6e573182..a56f068a4d047 100644 --- a/statistics/handle/handle_test.go +++ b/statistics/handle/handle_test.go @@ -52,7 +52,7 @@ func cleanEnv(c *C, store kv.Storage, do *domain.Domain) { tk.MustExec("delete from mysql.stats_histograms") tk.MustExec("delete from mysql.stats_buckets") tk.MustExec("delete from mysql.stats_extended") - do.StatsHandle().Clear() + do.StatsHandle().Clear4Test() } func (s *testStatsSuite) TestStatsCache(c *C) { @@ -85,7 +85,7 @@ func (s *testStatsSuite) TestStatsCache(c *C) { // If the new schema drop a column, the table stats can still work. testKit.MustExec("alter table t drop column c2") is = do.InfoSchema() - do.StatsHandle().Clear() + do.StatsHandle().Clear4Test() do.StatsHandle().Update(is) statsTbl = do.StatsHandle().GetTableStats(tableInfo) c.Assert(statsTbl.Pseudo, IsFalse) @@ -94,7 +94,7 @@ func (s *testStatsSuite) TestStatsCache(c *C) { testKit.MustExec("alter table t add column c10 int") is = do.InfoSchema() - do.StatsHandle().Clear() + do.StatsHandle().Clear4Test() do.StatsHandle().Update(is) statsTbl = do.StatsHandle().GetTableStats(tableInfo) c.Assert(statsTbl.Pseudo, IsFalse) @@ -117,7 +117,7 @@ func (s *testStatsSuite) TestStatsCacheMemTracker(c *C) { statsTbl = do.StatsHandle().GetTableStats(tableInfo) c.Assert(statsTbl.MemoryUsage() > 0, IsTrue) - c.Assert(do.StatsHandle().GetAllTableStatsMemUsage(), Equals, do.StatsHandle().GetMemConsumed()) + c.Assert(do.StatsHandle().GetAllTableStatsMemUsage4Test(), Equals, do.StatsHandle().GetMemConsumed()) statsTbl = do.StatsHandle().GetTableStats(tableInfo) @@ -139,23 +139,24 @@ func (s *testStatsSuite) TestStatsCacheMemTracker(c *C) { // If the new schema drop a column, the table stats can still work. testKit.MustExec("alter table t drop column c2") is = do.InfoSchema() - do.StatsHandle().Clear() + do.StatsHandle().Clear4Test() do.StatsHandle().Update(is) statsTbl = do.StatsHandle().GetTableStats(tableInfo) - c.Assert(statsTbl.MemoryUsage() > 0, IsTrue) - c.Assert(do.StatsHandle().GetAllTableStatsMemUsage(), Equals, do.StatsHandle().GetMemConsumed()) + c.Assert(statsTbl.MemoryUsage() >= 0, IsTrue) + + c.Assert(do.StatsHandle().GetAllTableStatsMemUsage4Test(), Equals, do.StatsHandle().GetMemConsumed()) c.Assert(statsTbl.Pseudo, IsFalse) // If the new schema add a column, the table stats can still work. testKit.MustExec("alter table t add column c10 int") is = do.InfoSchema() - do.StatsHandle().Clear() + do.StatsHandle().Clear4Test() do.StatsHandle().Update(is) statsTbl = do.StatsHandle().GetTableStats(tableInfo) c.Assert(statsTbl.Pseudo, IsFalse) - c.Assert(do.StatsHandle().GetAllTableStatsMemUsage(), Equals, do.StatsHandle().GetMemConsumed()) + c.Assert(do.StatsHandle().GetAllTableStatsMemUsage4Test(), Equals, do.StatsHandle().GetMemConsumed()) } func assertTableEqual(c *C, a *statistics.Table, b *statistics.Table) { @@ -231,7 +232,7 @@ func (s *testStatsSuite) TestStatsStoreAndLoad(c *C) { testKit.MustExec("analyze table t") statsTbl1 := do.StatsHandle().GetTableStats(tableInfo) - do.StatsHandle().Clear() + do.StatsHandle().Clear4Test() do.StatsHandle().Update(is) statsTbl2 := do.StatsHandle().GetTableStats(tableInfo) c.Assert(statsTbl2.Pseudo, IsFalse) @@ -276,7 +277,7 @@ func (s *testStatsSuite) TestColumnIDs(c *C) { // Drop a column and the offset changed, testKit.MustExec("alter table t drop column c1") is = do.InfoSchema() - do.StatsHandle().Clear() + do.StatsHandle().Clear4Test() do.StatsHandle().Update(is) tbl, err = is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) c.Assert(err, IsNil) @@ -494,14 +495,14 @@ func (s *testStatsSuite) TestInitStats(c *C) { // `Lease` is not 0, so here we just change it. h.SetLease(time.Millisecond) - h.Clear() + h.Clear4Test() c.Assert(h.InitStats(is), IsNil) table0 := h.GetTableStats(tbl.Meta()) cols := table0.Columns c.Assert(cols[1].LastAnalyzePos.GetBytes()[0], Equals, uint8(0x36)) c.Assert(cols[2].LastAnalyzePos.GetBytes()[0], Equals, uint8(0x37)) c.Assert(cols[3].LastAnalyzePos.GetBytes()[0], Equals, uint8(0x38)) - h.Clear() + h.Clear4Test() c.Assert(h.Update(is), IsNil) table1 := h.GetTableStats(tbl.Meta()) assertTableEqual(c, table0, table1) @@ -686,7 +687,7 @@ func (s *testStatsSuite) TestExtendedStatsOps(c *C) { c.Assert(len(statsTbl.ExtendedStats.Stats), Equals, 0) tk.MustExec("update mysql.stats_extended set status = 1 where stats_name = 's1' and db = 'test'") - do.StatsHandle().Clear() + do.StatsHandle().Clear4Test() do.StatsHandle().Update(is) statsTbl = do.StatsHandle().GetTableStats(tableInfo) c.Assert(statsTbl, NotNil) @@ -726,7 +727,7 @@ func (s *testStatsSuite) TestAdminReloadStatistics(c *C) { c.Assert(len(statsTbl.ExtendedStats.Stats), Equals, 0) tk.MustExec("update mysql.stats_extended set status = 1 where stats_name = 's1' and db = 'test'") - do.StatsHandle().Clear() + do.StatsHandle().Clear4Test() do.StatsHandle().Update(is) statsTbl = do.StatsHandle().GetTableStats(tableInfo) c.Assert(statsTbl, NotNil) diff --git a/statistics/handle/statscache.go b/statistics/handle/statscache.go new file mode 100644 index 0000000000000..38dd17038034b --- /dev/null +++ b/statistics/handle/statscache.go @@ -0,0 +1,170 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package handle + +import ( + "encoding/binary" + "sync" + + "github.com/pingcap/tidb/statistics" + "github.com/pingcap/tidb/util/kvcache" + "github.com/pingcap/tidb/util/memory" +) + +// statsCache caches table statistics. +type statsCache struct { + mu sync.Mutex + cache *kvcache.SimpleLRUCache + memCapacity int64 + version uint64 + memTracker *memory.Tracker +} + +type statsCacheKey int64 + +func (key statsCacheKey) Hash() []byte { + var buf = make([]byte, 8) + binary.BigEndian.PutUint64(buf, uint64(key)) + return buf +} + +// newStatsCache returns a new statsCache with capacity maxMemoryLimit. +func newStatsCache(memoryLimit int64) *statsCache { + // Since newStatsCache controls the memory usage by itself, set the capacity of + // the underlying LRUCache to max to close its memory control + cache := kvcache.NewSimpleLRUCache(uint(memoryLimit), 0.1, 0) + c := statsCache{ + cache: cache, + memCapacity: memoryLimit, + memTracker: memory.NewTracker(memory.LabelForStatsCache, -1), + } + return &c +} + +// Clear clears the statsCache. +func (sc *statsCache) Clear() { + // Since newStatsCache controls the memory usage by itself, set the capacity of + // the underlying LRUCache to max to close its memory control + sc.mu.Lock() + defer sc.mu.Unlock() + cache := kvcache.NewSimpleLRUCache(uint(sc.memCapacity), 0.1, 0) + sc.memTracker.ReplaceBytesUsed(0) + sc.cache = cache + sc.version = 0 +} + +// GetAll get all the tables point. +func (sc *statsCache) GetAll() []*statistics.Table { + sc.mu.Lock() + defer sc.mu.Unlock() + values := sc.cache.GetAll() + tables := make([]*statistics.Table, 0) + for _, v := range values { + if t, ok := v.(*statistics.Table); ok && t != nil { + tables = append(tables, t) + } + } + return tables +} + +// lookupUnsafe get table with id without Lock. +func (sc *statsCache) lookupUnsafe(id int64) (*statistics.Table, bool) { + var key = statsCacheKey(id) + value, hit := sc.cache.Get(key) + if !hit { + return nil, false + } + table := value.(*statistics.Table) + return table, true +} + +// Lookup get table with id. +func (sc *statsCache) Lookup(id int64) (*statistics.Table, bool) { + sc.mu.Lock() + defer sc.mu.Unlock() + return sc.lookupUnsafe(id) +} + +// Insert inserts a new table to the statsCache. +// If the memory consumption exceeds the capacity, remove the buckets and +// CMSketch of the oldest cache and add metadata of it +func (sc *statsCache) Insert(table *statistics.Table) { + if table == nil { + return + } + var key = statsCacheKey(table.PhysicalID) + mem := table.MemoryUsage() + // We do not need to check whether mem > sc.memCapacity, because the lower + // bound of statistics is set, it's almost impossible the stats memory usage + // of one table exceeds the capacity. + for mem+sc.memTracker.BytesConsumed() > sc.memCapacity { + evictedKey, evictedValue, evicted := sc.cache.RemoveOldest() + if !evicted { + return + } + sc.memTracker.Consume(-evictedValue.(*statistics.Table).MemoryUsage()) + sc.cache.Put(evictedKey, evictedValue.(*statistics.Table).CopyWithoutBucketsAndCMS()) + } + // erase the old element since the value may be different from the existing one. + sc.Erase(table.PhysicalID) + sc.cache.Put(key, table) + sc.memTracker.Consume(mem) + return +} + +// Erase erase a stateCache with physical id. +func (sc *statsCache) Erase(deletedID int64) bool { + table, hit := sc.lookupUnsafe(deletedID) + if !hit { + return false + } + + key := statsCacheKey(deletedID) + sc.cache.Delete(key) + sc.memTracker.Consume(-table.MemoryUsage()) + return true +} + +// Update updates the statistics table cache. +func (sc *statsCache) Update(tables []*statistics.Table, deletedIDs []int64, newVersion uint64) { + sc.mu.Lock() + defer sc.mu.Unlock() + if sc.version <= newVersion { + sc.version = newVersion + for _, id := range deletedIDs { + sc.Erase(id) + } + for _, tbl := range tables { + sc.Insert(tbl) + } + } +} + +func (sc *statsCache) GetVersion() uint64 { + sc.mu.Lock() + defer sc.mu.Unlock() + return sc.version +} + +// initStatsCache should be invoked after the tables and their stats are initialized +// using tables map and version to init statsCache +func (sc *statsCache) initStatsCache(tables map[int64]*statistics.Table, version uint64) { + sc.mu.Lock() + defer sc.mu.Unlock() + for _, tbl := range tables { + sc.Insert(tbl) + } + sc.version = version + return +} diff --git a/statistics/handle/statscache_test.go b/statistics/handle/statscache_test.go new file mode 100644 index 0000000000000..f2c5f3439ad19 --- /dev/null +++ b/statistics/handle/statscache_test.go @@ -0,0 +1,262 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package handle_test + +import ( + "fmt" + "time" + + . "github.com/pingcap/check" + "github.com/pingcap/parser/model" + "github.com/pingcap/tidb/sessionctx/stmtctx" + "github.com/pingcap/tidb/statistics/handle" + "github.com/pingcap/tidb/util/testkit" +) + +func (s *testStatsSuite) TestStatsCacheMiniMemoryLimit(c *C) { + defer cleanEnv(c, s.store, s.do) + testKit := testkit.NewTestKit(c, s.store) + testKit.MustExec("use test") + testKit.MustExec("create table t1 (c1 int, c2 int)") + testKit.MustExec("insert into t1 values(1, 2)") + do := s.do + is := do.InfoSchema() + tbl1, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t1")) + c.Assert(err, IsNil) + tableInfo1 := tbl1.Meta() + statsTbl1 := do.StatsHandle().GetTableStats(tableInfo1) + c.Assert(statsTbl1.Pseudo, IsTrue) + + testKit.MustExec("analyze table t1") + statsTbl1 = do.StatsHandle().GetTableStats(tableInfo1) + c.Assert(statsTbl1.Pseudo, IsFalse) + + // set new BytesLimit + BytesLimit := int64(90000) + + do.StatsHandle().SetBytesLimit4Test(BytesLimit) + // create t2 and kick t1 of cache + testKit.MustExec("create table t2 (c1 int, c2 int)") + testKit.MustExec("insert into t2 values(1, 2)") + do = s.do + is = do.InfoSchema() + tbl2, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t2")) + c.Assert(err, IsNil) + tableInfo2 := tbl2.Meta() + statsTbl2 := do.StatsHandle().GetTableStats(tableInfo2) + statsTbl1 = do.StatsHandle().GetTableStats(tableInfo1) + + c.Assert(statsTbl2.Pseudo, IsTrue) + testKit.MustExec("analyze table t2") + tbl2, err = is.TableByName(model.NewCIStr("test"), model.NewCIStr("t2")) + c.Assert(err, IsNil) + + statsTbl2 = do.StatsHandle().GetTableStats(tableInfo2) + c.Assert(statsTbl2.Pseudo, IsFalse) + + c.Assert(BytesLimit >= do.StatsHandle().GetMemConsumed(), IsTrue) +} + +func (s *testStatsSuite) TestLoadHistWithLimit(c *C) { + defer cleanEnv(c, s.store, s.do) + testKit := testkit.NewTestKit(c, s.store) + h := s.do.StatsHandle() + origLease := h.Lease() + h.SetLease(time.Second) + defer func() { h.SetLease(origLease) }() + BytesLimit := int64(300000) + h.SetBytesLimit4Test(BytesLimit) + + testKit.MustExec("use test") + testKit.MustExec("create table t1(c int)") + testKit.MustExec("insert into t1 values(1),(2),(3),(4),(5)") + c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) + testKit.MustExec("analyze table t1") + h.Clear4Test() + h.SetBytesLimit4Test(BytesLimit) + + c.Assert(h.Update(s.do.InfoSchema()), IsNil) + result := testKit.MustQuery("show stats_histograms where Table_name = 't1'") + c.Assert(len(result.Rows()), Equals, 0) + testKit.MustExec("explain select * from t1 where c = 1") + c.Assert(h.LoadNeededHistograms(), IsNil) + result = testKit.MustQuery("show stats_histograms where Table_name = 't1'") + c.Assert(len(result.Rows()), Equals, 1) + c.Assert(result.Rows()[0][9], Equals, "1") + c.Assert(BytesLimit >= h.GetMemConsumed(), IsTrue) + + // create new table + testKit.MustExec("create table t2(c int)") + testKit.MustExec("insert into t2 values(1),(2),(3),(4),(5)") + c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) + testKit.MustExec("analyze table t2") + c.Assert(BytesLimit >= h.GetMemConsumed(), IsTrue) + +} + +func (s *testStatsSuite) TestLoadHistWithInvalidIndex(c *C) { + defer cleanEnv(c, s.store, s.do) + testKit := testkit.NewTestKit(c, s.store) + h := s.do.StatsHandle() + origLease := h.Lease() + h.SetLease(time.Second) + defer func() { h.SetLease(origLease) }() + BytesLimit := int64(300000) + h.SetBytesLimit4Test(BytesLimit) + + testKit.MustExec("use test") + testKit.MustExec("create table t1(c int)") + testKit.MustExec("insert into t1 values(1),(2),(3),(4),(5)") + c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) + testKit.MustExec("create index idx_t on t1(c)") + + testKit.MustExec("analyze table t1") + // update all information to statscache + c.Assert(h.Update(s.do.InfoSchema()), IsNil) + + tbl1, err := s.do.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("t1")) + c.Assert(err, IsNil) + tableInfo1 := tbl1.Meta() + + // erase old table + h.EraseTable4Test(tbl1.Meta().ID) + + // add empty table + statsTbl1 := h.GetTableStats(tableInfo1) + c.Assert(statsTbl1.Indices[tbl1.Meta().Indices[0].ID].Len() == 0, IsTrue) + // load index + for _, v := range statsTbl1.Indices { + c.Assert(v.IsInvalid(&stmtctx.StatementContext{}, false), IsTrue) + } + for _, v := range statsTbl1.Columns { + c.Assert(v.IsInvalid(&stmtctx.StatementContext{}, false), IsTrue) + } + c.Assert(h.LoadNeededHistograms(), IsNil) + c.Assert(BytesLimit >= h.GetMemConsumed(), IsTrue) + statsTbl1new := h.GetTableStats(tableInfo1) + c.Assert(statsTbl1new.Indices[tbl1.Meta().Indices[0].ID].Len() > 0, IsTrue) + + c.Assert(statsTbl1new.Indices[tbl1.Meta().Indices[0].ID].String(), Equals, "index:1 ndv:5\n"+ + "num: 1 lower_bound: 1 upper_bound: 1 repeats: 1\n"+ + "num: 1 lower_bound: 2 upper_bound: 2 repeats: 1\n"+ + "num: 1 lower_bound: 3 upper_bound: 3 repeats: 1\n"+ + "num: 1 lower_bound: 4 upper_bound: 4 repeats: 1\n"+ + "num: 1 lower_bound: 5 upper_bound: 5 repeats: 1") + c.Assert(statsTbl1new.Columns[tbl1.Meta().Columns[0].ID].String(), Equals, "column:1 ndv:5 totColSize:5\n"+ + "num: 1 lower_bound: 1 upper_bound: 1 repeats: 1\n"+ + "num: 1 lower_bound: 2 upper_bound: 2 repeats: 1\n"+ + "num: 1 lower_bound: 3 upper_bound: 3 repeats: 1\n"+ + "num: 1 lower_bound: 4 upper_bound: 4 repeats: 1\n"+ + "num: 1 lower_bound: 5 upper_bound: 5 repeats: 1") +} + +func (s *testStatsSuite) TestManyTableChange(c *C) { + defer cleanEnv(c, s.store, s.do) + testKit := testkit.NewTestKit(c, s.store) + h := s.do.StatsHandle() + origLease := h.Lease() + h.SetLease(time.Second) + defer func() { h.SetLease(origLease) }() + + BytesLimit := int64(300000) + h.SetBytesLimit4Test(BytesLimit) + tableSize := 100 + testKit.MustExec("use test") + for i := 0; i <= tableSize; i++ { + testKit.MustExec(fmt.Sprintf("create table t%d(c int)", i)) + testKit.MustExec(fmt.Sprintf("insert into t%d values(1),(2),(3)", i)) + testKit.MustExec(fmt.Sprintf("analyze table t%d", i)) + } + + // update all information to statscache + c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) + + c.Assert(h.Update(s.do.InfoSchema()), IsNil) + for i := 0; i <= tableSize; i++ { + tableName := fmt.Sprintf("t%d", i) + tbl, err := s.do.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr(tableName)) + c.Assert(err, IsNil) + tableInfo := tbl.Meta() + + // add empty table + statsTbl := h.GetTableStats(tableInfo) + + // load indices and column + for _, v := range statsTbl.Indices { + v.IsInvalid(&stmtctx.StatementContext{}, false) + } + + for _, v := range statsTbl.Columns { + v.IsInvalid(&stmtctx.StatementContext{}, false) + } + c.Assert(h.LoadNeededHistograms(), IsNil) + c.Assert(BytesLimit >= h.GetMemConsumed(), IsTrue) + statsTblnew := h.GetTableStats(tableInfo) + c.Assert(statsTblnew.MemoryUsage() > 0, IsTrue) + + for _, v := range statsTblnew.Columns { + c.Assert(v.IsInvalid(&stmtctx.StatementContext{}, false), IsFalse) + } + for _, v := range statsTblnew.Indices { + c.Assert(v.IsInvalid(&stmtctx.StatementContext{}, false), IsFalse) + } + + } +} + +func (s *testStatsSuite) TestManyTableChangeWithQuery(c *C) { + defer cleanEnv(c, s.store, s.do) + testKit := testkit.NewTestKit(c, s.store) + h := s.do.StatsHandle() + origLease := h.Lease() + h.SetLease(time.Second) + defer func() { h.SetLease(origLease) }() + + BytesLimit := int64(300000) + h.SetBytesLimit4Test(BytesLimit) + tableSize := 100 + testKit.MustExec("use test") + for i := 0; i <= tableSize; i++ { + testKit.MustExec(fmt.Sprintf("create table t%d(a int,b int,index idx(b))", i)) + testKit.MustExec(fmt.Sprintf("insert into t%d values(1,2),(2,5),(3,5)", i)) + testKit.MustExec(fmt.Sprintf("analyze table t%d", i)) + } + + // update all information to statscache + c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) + + c.Assert(h.Update(s.do.InfoSchema()), IsNil) + for i := 0; i <= tableSize; i++ { + tableName := fmt.Sprintf("t%d", i) + tbl, err := s.do.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr(tableName)) + c.Assert(err, IsNil) + tableInfo := tbl.Meta() + testKit.MustQuery(fmt.Sprintf("select * from t%d use index(idx) where b <= 5", i)) + testKit.MustQuery(fmt.Sprintf("select * from t%d where a > 1", i)) + testKit.MustQuery(fmt.Sprintf("select * from t%d use index(idx) where b = 5", i)) + + c.Assert(h.LoadNeededHistograms(), IsNil) + c.Assert(BytesLimit >= h.GetMemConsumed(), IsTrue) + statsTblNew := h.GetTableStats(tableInfo) + c.Assert(statsTblNew.MemoryUsage() > 0, IsTrue) + + for _, v := range statsTblNew.Columns { + c.Assert(v.IsInvalid(&stmtctx.StatementContext{}, false), IsFalse) + } + for _, v := range statsTblNew.Indices { + c.Assert(v.IsInvalid(&stmtctx.StatementContext{}, false), IsFalse) + } + + } +} diff --git a/statistics/handle/update.go b/statistics/handle/update.go index 38f9b3c70aae2..f16ffe66d5e03 100644 --- a/statistics/handle/update.go +++ b/statistics/handle/update.go @@ -221,7 +221,7 @@ func needDumpStatsDelta(h *Handle, id int64, item variable.TableDelta, currentTi if item.InitTime.IsZero() { item.InitTime = currentTime } - tbl, ok := h.statsCache.Load().(statsCache).tables[id] + tbl, ok := h.statsCache.Lookup(id) if !ok { // No need to dump if the stats is invalid. return false @@ -383,7 +383,7 @@ func (h *Handle) DumpStatsFeedbackToKV() error { if fb.Tp == statistics.PkType { err = h.DumpFeedbackToKV(fb) } else { - t, ok := h.statsCache.Load().(statsCache).tables[fb.PhysicalID] + t, ok := h.statsCache.Lookup(fb.PhysicalID) if ok { err = h.DumpFeedbackForIndex(fb, t) } @@ -464,8 +464,7 @@ func (h *Handle) UpdateStatsByLocalFeedback(is infoschema.InfoSchema) { newCol.Flag = statistics.ResetAnalyzeFlag(newCol.Flag) newTblStats.Columns[fb.Hist.ID] = &newCol } - oldCache := h.statsCache.Load().(statsCache) - h.updateStatsCache(oldCache.update([]*statistics.Table{newTblStats}, nil, oldCache.version)) + h.statsCache.Update([]*statistics.Table{newTblStats}, nil, h.statsCache.GetVersion()) } } } @@ -497,8 +496,7 @@ func (h *Handle) UpdateErrorRate(is infoschema.InfoSchema) { delete(h.mu.rateMap, id) } h.mu.Unlock() - oldCache := h.statsCache.Load().(statsCache) - h.updateStatsCache(oldCache.update(tbls, nil, oldCache.version)) + h.statsCache.Update(tbls, nil, h.statsCache.GetVersion()) } // HandleUpdateStats update the stats using feedback. @@ -899,7 +897,7 @@ func logForIndex(prefix string, t *statistics.Table, idx *statistics.Index, rang } func (h *Handle) logDetailedInfo(q *statistics.QueryFeedback) { - t, ok := h.statsCache.Load().(statsCache).tables[q.PhysicalID] + t, ok := h.statsCache.Lookup(q.PhysicalID) if !ok { return } @@ -940,7 +938,7 @@ func logForPK(prefix string, c *statistics.Column, ranges []*ranger.Range, actua // RecalculateExpectCount recalculates the expect row count if the origin row count is estimated by pseudo. func (h *Handle) RecalculateExpectCount(q *statistics.QueryFeedback) error { - t, ok := h.statsCache.Load().(statsCache).tables[q.PhysicalID] + t, ok := h.statsCache.Lookup(q.PhysicalID) if !ok { return nil } diff --git a/statistics/handle/update_test.go b/statistics/handle/update_test.go index 4c41057699a65..67d1ef7a1b063 100644 --- a/statistics/handle/update_test.go +++ b/statistics/handle/update_test.go @@ -532,7 +532,7 @@ func (s *testStatsSuite) TestTableAnalyzed(c *C) { statsTbl = h.GetTableStats(tableInfo) c.Assert(handle.TableAnalyzed(statsTbl), IsTrue) - h.Clear() + h.Clear4Test() oriLease := h.Lease() // set it to non-zero so we will use load by need strategy h.SetLease(1) @@ -1733,7 +1733,7 @@ func (s *testStatsSuite) TestLoadHistCorrelation(c *C) { testKit.MustExec("insert into t values(1),(2),(3),(4),(5)") c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) testKit.MustExec("analyze table t") - h.Clear() + h.Clear4Test() c.Assert(h.Update(s.do.InfoSchema()), IsNil) result := testKit.MustQuery("show stats_histograms where Table_name = 't'") c.Assert(len(result.Rows()), Equals, 0) diff --git a/statistics/histogram.go b/statistics/histogram.go index 8ae95e64cb692..851f5a62eac1d 100644 --- a/statistics/histogram.go +++ b/statistics/histogram.go @@ -122,7 +122,10 @@ func (hg *Histogram) MemoryUsage() (sum int64) { if hg == nil { return } - sum = hg.Bounds.MemoryUsage() + int64(cap(hg.Buckets)*int(unsafe.Sizeof(Bucket{}))) + int64(cap(hg.scalars)*int(unsafe.Sizeof(scalar{}))) + //let the initial sum = 0 + sum = hg.Bounds.MemoryUsage() - chunk.NewChunkWithCapacity([]*types.FieldType{hg.Tp}, 0).MemoryUsage() + sum = sum + int64(cap(hg.Buckets)*int(unsafe.Sizeof(Bucket{}))) + int64(cap(hg.scalars)*int(unsafe.Sizeof(scalar{}))) + return } @@ -897,6 +900,7 @@ type Index struct { StatsVer int64 // StatsVer is the version of the current stats, used to maintain compatibility Info *model.IndexInfo Flag int64 + PhysicalID int64 // PhysicalID for lazy load LastAnalyzePos types.Datum } @@ -904,9 +908,22 @@ func (idx *Index) String() string { return idx.Histogram.ToString(len(idx.Info.Columns)) } -// IsInvalid checks if this index is invalid. -func (idx *Index) IsInvalid(collPseudo bool) bool { - return (collPseudo && idx.NotAccurate()) || idx.TotalRowCount() == 0 +// HistogramNeededIndices stores the Index whose Histograms need to be loaded from physical kv layer. +// Currently, we only load index/pk's Histogram from kv automatically. Columns' are loaded by needs. +var HistogramNeededIndices = neededIndexMap{idxs: map[tableIndexID]struct{}{}} + +// IsInvalid checks if this Index is invalid. +// If this Index has histogram but not loaded yet, then we mark it +// as need Index. +func (idx *Index) IsInvalid(sc *stmtctx.StatementContext, collPseudo bool) bool { + if collPseudo && idx.NotAccurate() { + return true + } + if idx.NDV > 0 && idx.Len() == 0 && sc != nil { + sc.SetHistogramsNotLoad() + HistogramNeededIndices.insert(tableIndexID{TableID: idx.PhysicalID, IndexID: idx.Info.ID}) + } + return idx.TotalRowCount() == 0 || (idx.NDV > 0 && idx.Len() == 0) } // MemoryUsage returns the total memory usage of a Histogram and CMSketch in Index. diff --git a/statistics/selectivity_test.go b/statistics/selectivity_test.go index 69ad9e178f4fb..22724876ee80c 100644 --- a/statistics/selectivity_test.go +++ b/statistics/selectivity_test.go @@ -146,7 +146,7 @@ func cleanEnv(c *C, store kv.Storage, do *domain.Domain) { tk.MustExec("delete from mysql.stats_meta") tk.MustExec("delete from mysql.stats_histograms") tk.MustExec("delete from mysql.stats_buckets") - do.StatsHandle().Clear() + do.StatsHandle().Clear4Test() } // generateIntDatum will generate a datum slice, every dimension is begin from 0, end with num - 1. diff --git a/statistics/table.go b/statistics/table.go index e080e755b1061..d32e6eafd6d51 100644 --- a/statistics/table.go +++ b/statistics/table.go @@ -14,6 +14,7 @@ package statistics import ( + "encoding/binary" "fmt" "math" "sort" @@ -22,6 +23,7 @@ import ( "github.com/cznic/mathutil" "github.com/pingcap/errors" + "github.com/pingcap/parser/ast" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/expression" @@ -56,6 +58,27 @@ const ( PseudoRowCount = 10000 ) +// CMSketchSizeLimit indicates the max width and depth of CMSketch. +var CMSketchSizeLimit = kv.TxnEntrySizeLimit / binary.MaxVarintLen32 + +// AnalyzeOptionLimit indicates the upper bound of some attribute. +var AnalyzeOptionLimit = map[ast.AnalyzeOptionType]uint64{ + ast.AnalyzeOptNumBuckets: 1024, + ast.AnalyzeOptNumTopN: 1024, + ast.AnalyzeOptCMSketchWidth: CMSketchSizeLimit, + ast.AnalyzeOptCMSketchDepth: CMSketchSizeLimit, + ast.AnalyzeOptNumSamples: 100000, +} + +// AnalyzeOptionDefault indicates the default values of some attributes. +var AnalyzeOptionDefault = map[ast.AnalyzeOptionType]uint64{ + ast.AnalyzeOptNumBuckets: 256, + ast.AnalyzeOptNumTopN: 20, + ast.AnalyzeOptCMSketchWidth: 2048, + ast.AnalyzeOptCMSketchDepth: 5, + ast.AnalyzeOptNumSamples: 10000, +} + // Table represents statistics for a table. type Table struct { HistColl @@ -159,6 +182,48 @@ func (t *Table) Copy() *Table { return nt } +// CopyWithoutBucketsAndCMS copies the current table only with metadata. +func (t *Table) CopyWithoutBucketsAndCMS() *Table { + newHistColl := HistColl{ + PhysicalID: t.PhysicalID, + HavePhysicalID: t.HavePhysicalID, + Count: t.Count, + Columns: make(map[int64]*Column, len(t.Columns)), + Indices: make(map[int64]*Index, len(t.Indices)), + Pseudo: t.Pseudo, + ModifyCount: t.ModifyCount, + } + for id, col := range t.Columns { + oldHg := &col.Histogram + newHg := NewHistogram(oldHg.ID, oldHg.NDV, oldHg.NullCount, oldHg.LastUpdateVersion, oldHg.Tp, 0, oldHg.TotColSize) + newHistColl.Columns[id] = &Column{ + Histogram: *newHg, + PhysicalID: col.PhysicalID, + Info: col.Info, + Count: col.Count, + IsHandle: col.IsHandle, + Flag: col.Flag, + } + } + for id, idx := range t.Indices { + oldHg := &idx.Histogram + newHg := NewHistogram(oldHg.ID, oldHg.NDV, oldHg.NullCount, oldHg.LastUpdateVersion, oldHg.Tp, 0, oldHg.TotColSize) + newHistColl.Indices[id] = &Index{ + Histogram: *newHg, + PhysicalID: idx.PhysicalID, + Info: idx.Info, + StatsVer: idx.StatsVer, + Flag: idx.Flag, + } + } + nt := &Table{ + HistColl: newHistColl, + Version: t.Version, + Name: t.Name, + } + return nt +} + // String implements Stringer interface. func (t *Table) String() string { strs := make([]string, 0, len(t.Columns)+1) @@ -235,6 +300,40 @@ func (n *neededColumnMap) Delete(col tableColumnID) { n.m.Unlock() } +type tableIndexID struct { + TableID int64 + IndexID int64 +} + +type neededIndexMap struct { + m sync.Mutex + idxs map[tableIndexID]struct{} +} + +// AllIdxs returns all the idx with an array +func (n *neededIndexMap) AllIdxs() []tableIndexID { + n.m.Lock() + keys := make([]tableIndexID, 0, len(n.idxs)) + for key := range n.idxs { + keys = append(keys, key) + } + n.m.Unlock() + return keys +} + +func (n *neededIndexMap) insert(idx tableIndexID) { + n.m.Lock() + n.idxs[idx] = struct{}{} + n.m.Unlock() +} + +// Delete delete a idx from idxs +func (n *neededIndexMap) Delete(idx tableIndexID) { + n.m.Lock() + delete(n.idxs, idx) + n.m.Unlock() +} + // RatioOfPseudoEstimate means if modifyCount / statsTblCount is greater than this ratio, we think the stats is invalid // and use pseudo estimation. var RatioOfPseudoEstimate = atomic.NewFloat64(0.7) @@ -320,7 +419,7 @@ func (coll *HistColl) GetRowCountByColumnRanges(sc *stmtctx.StatementContext, co // GetRowCountByIndexRanges estimates the row count by a slice of Range. func (coll *HistColl) GetRowCountByIndexRanges(sc *stmtctx.StatementContext, idxID int64, indexRanges []*ranger.Range) (float64, error) { idx := coll.Indices[idxID] - if idx == nil || idx.IsInvalid(coll.Pseudo) { + if idx == nil || idx.IsInvalid(sc, coll.Pseudo) { colsLen := -1 if idx != nil && idx.Info.Unique { colsLen = len(idx.Info.Columns) diff --git a/tidb-server/main.go b/tidb-server/main.go index b73988b1c0bf3..33fdfb10e392e 100644 --- a/tidb-server/main.go +++ b/tidb-server/main.go @@ -556,6 +556,7 @@ func setGlobalVars() { variable.SetSysVar(variable.TiDBForcePriority, mysql.Priority2Str[priority]) variable.SetSysVar(variable.TiDBOptDistinctAggPushDown, variable.BoolToIntStr(cfg.Performance.DistinctAggPushDown)) variable.SetSysVar(variable.TIDBMemQuotaQuery, strconv.FormatInt(cfg.MemQuotaQuery, 10)) + variable.SetSysVar(variable.TIDBMemQuotaStatistics, strconv.FormatInt(cfg.MemQuotaStatistics, 10)) variable.SetSysVar("lower_case_table_names", strconv.Itoa(cfg.LowerCaseTableNames)) variable.SetSysVar(variable.LogBin, variable.BoolToIntStr(config.GetGlobalConfig().Binlog.Enable)) variable.SetSysVar(variable.Port, fmt.Sprintf("%d", cfg.Port)) diff --git a/util/kvcache/simple_lru.go b/util/kvcache/simple_lru.go index 46e19ecc5c712..58c0cdb899d39 100644 --- a/util/kvcache/simple_lru.go +++ b/util/kvcache/simple_lru.go @@ -76,6 +76,17 @@ func NewSimpleLRUCache(capacity uint, guard float64, quota uint64) *SimpleLRUCac } } +// GetAll try to get all value. +func (l *SimpleLRUCache) GetAll() []interface{} { + values := make([]interface{}, 0) + for _, v := range l.elements { + if nv, ok := v.Value.(*cacheEntry); ok { + values = append(values, nv.value) + } + } + return values +} + // Get tries to find the corresponding value according to the given key. func (l *SimpleLRUCache) Get(key Key) (value Value, ok bool) { element, exists := l.elements[string(key.Hash())] From afd223c32b65d9d84cd048bfba8a11e57224315a Mon Sep 17 00:00:00 2001 From: crazycs Date: Thu, 15 Oct 2020 20:24:24 +0800 Subject: [PATCH 0035/1021] ddl: support create list partition table (#20279) --- ddl/db_partition_test.go | 214 +++++++++++++++++++++++ ddl/ddl_api.go | 95 +++++++++- ddl/error.go | 3 + ddl/partition.go | 118 ++++++++++++- executor/executor_test.go | 15 +- planner/core/partition_prune.go | 2 + planner/core/rule_partition_processor.go | 9 + table/tables/partition.go | 161 +++++++++++++++++ 8 files changed, 607 insertions(+), 10 deletions(-) diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index 098b64d131c08..c64642aecbeb5 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -493,6 +493,220 @@ create table log_message_1 ( "partition p1 values less than (maxvalue))") } +func (s *testIntegrationSuite1) TestCreateTableWithListPartition(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("drop table if exists t") + type errorCase struct { + sql string + err *terror.Error + } + cases := []errorCase{ + { + "create table t (id int) partition by list (id);", + ast.ErrPartitionsMustBeDefined, + }, + { + "create table t (a int) partition by list (b) (partition p0 values in (1));", + ddl.ErrBadField, + }, + { + "create table t (id timestamp) partition by list (id) (partition p0 values in ('2019-01-09 11:23:34'));", + ddl.ErrNotAllowedTypeInPartition, + }, + { + "create table t (id decimal) partition by list (id) (partition p0 values in ('2019-01-09 11:23:34'));", + ddl.ErrNotAllowedTypeInPartition, + }, + { + "create table t (a int) partition by list (a) (partition p0 values in (1), partition p0 values in (2));", + ddl.ErrSameNamePartition, + }, + { + "create table t (a int) partition by list (a) (partition p0 values in (1), partition P0 values in (2));", + ddl.ErrSameNamePartition, + }, + { + "create table t (a int) partition by list (a) (partition p0 values in (1), partition p1 values in (1));", + ddl.ErrMultipleDefConstInListPart, + }, + { + "create table t (a int) partition by list (a) (partition p0 values in (1), partition p1 values in (+1));", + ddl.ErrMultipleDefConstInListPart, + }, + { + "create table t (a int) partition by list (a) (partition p0 values in (null), partition p1 values in (NULL));", + ddl.ErrMultipleDefConstInListPart, + }, + { + `create table t1 (id int key, name varchar(10), unique index idx(name)) partition by list (id) ( + partition p0 values in (3,5,6,9,17), + partition p1 values in (1,2,10,11,19,20), + partition p2 values in (4,12,13,14,18), + partition p3 values in (7,8,15,16) + );`, + ddl.ErrUniqueKeyNeedAllFieldsInPf, + }, + } + for i, t := range cases { + _, err := tk.Exec(t.sql) + c.Assert(t.err.Equal(err), IsTrue, Commentf( + "case %d fail, sql = `%s`\nexpected error = `%v`\n actual error = `%v`", + i, t.sql, t.err, err, + )) + } + + validCases := []string{ + "create table t (a int) partition by list (a) (partition p0 values in (1));", + "create table t (a int) partition by list (a) (partition p0 values in (1), partition p1 values in (2));", + `create table t (id int, name varchar(10), age int) partition by list (id) ( + partition p0 values in (3,5,6,9,17), + partition p1 values in (1,2,10,11,19,20), + partition p2 values in (4,12,13,-14,18), + partition p3 values in (7,8,15,+16) + );`, + "create table t (a bigint) partition by list (a) (partition p0 values in (to_seconds('2020-09-28 17:03:38'),to_seconds('2020-09-28 17:03:39')));", + "create table t (a datetime) partition by list (to_seconds(a)) (partition p0 values in (to_seconds('2020-09-28 17:03:38'),to_seconds('2020-09-28 17:03:39')));", + } + + for _, sql := range validCases { + tk.MustExec("drop table if exists t") + tk.MustExec(sql) + tbl := testGetTableByName(c, s.ctx, "test", "t") + tblInfo := tbl.Meta() + c.Assert(tblInfo.Partition, NotNil) + c.Assert(tblInfo.Partition.Enable, Equals, true) + c.Assert(tblInfo.Partition.Type == model.PartitionTypeList, IsTrue) + } +} + +func (s *testIntegrationSuite1) TestCreateTableWithListColumnsPartition(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("drop table if exists t") + type errorCase struct { + sql string + err *terror.Error + } + cases := []errorCase{ + { + "create table t (id int) partition by list columns (id);", + ast.ErrPartitionsMustBeDefined, + }, + { + "create table t (a int) partition by list columns (b) (partition p0 values in (1));", + ddl.ErrFieldNotFoundPart, + }, + { + "create table t (id timestamp) partition by list columns (id) (partition p0 values in ('2019-01-09 11:23:34'));", + ddl.ErrNotAllowedTypeInPartition, + }, + { + "create table t (id decimal) partition by list columns (id) (partition p0 values in ('2019-01-09 11:23:34'));", + ddl.ErrNotAllowedTypeInPartition, + }, + { + "create table t (a int) partition by list columns (a) (partition p0 values in (1), partition p0 values in (2));", + ddl.ErrSameNamePartition, + }, + { + "create table t (a int) partition by list columns (a) (partition p0 values in (1), partition P0 values in (2));", + ddl.ErrSameNamePartition, + }, + { + "create table t (a int) partition by list columns (a) (partition p0 values in (1), partition p1 values in (1));", + ddl.ErrMultipleDefConstInListPart, + }, + { + "create table t (a int) partition by list columns (a) (partition p0 values in (1), partition p1 values in (+1));", + ddl.ErrMultipleDefConstInListPart, + }, + { + "create table t (a tinyint) partition by list columns (a) (partition p0 values in (1), partition p1 values in (+1));", + ddl.ErrMultipleDefConstInListPart, + }, + { + "create table t (a mediumint) partition by list columns (a) (partition p0 values in (1), partition p1 values in (+1));", + ddl.ErrMultipleDefConstInListPart, + }, + { + "create table t (a bigint) partition by list columns (a) (partition p0 values in (1), partition p1 values in (+1));", + ddl.ErrMultipleDefConstInListPart, + }, + { + "create table t (a bigint) partition by list columns (a) (partition p0 values in (1,+1))", + ddl.ErrMultipleDefConstInListPart, + }, + { + "create table t (a int) partition by list columns (a) (partition p0 values in (null), partition p1 values in (NULL));", + ddl.ErrMultipleDefConstInListPart, + }, + { + "create table t (a bigint, b int) partition by list columns (a,b) (partition p0 values in ((1,2),(1,2)))", + ddl.ErrMultipleDefConstInListPart, + }, + { + "create table t (a bigint, b int) partition by list columns (a,b) (partition p0 values in ((1,1),(2,2)), partition p1 values in ((+1,1)));", + ddl.ErrMultipleDefConstInListPart, + }, + { + `create table t1 (id int key, name varchar(10), unique index idx(name)) partition by list columns (id) ( + partition p0 values in (3,5,6,9,17), + partition p1 values in (1,2,10,11,19,20), + partition p2 values in (4,12,13,14,18), + partition p3 values in (7,8,15,16) + );`, + ddl.ErrUniqueKeyNeedAllFieldsInPf, + }, + { + "create table t (a int, b varchar(10)) partition by list columns (a,b) (partition p0 values in (1));", + ast.ErrPartitionColumnList, + }, + { + "create table t (a int, b varchar(10)) partition by list columns (a,b) (partition p0 values in (('ab','ab')));", + ddl.ErrNotAllowedTypeInPartition, + }, + { + "create table t (a int, b datetime) partition by list columns (a,b) (partition p0 values in ((1)));", + ast.ErrPartitionColumnList, + }, + } + for i, t := range cases { + _, err := tk.Exec(t.sql) + c.Assert(t.err.Equal(err), IsTrue, Commentf( + "case %d fail, sql = `%s`\nexpected error = `%v`\n actual error = `%v`", + i, t.sql, t.err, err, + )) + } + + validCases := []string{ + "create table t (a int) partition by list columns (a) (partition p0 values in (1));", + "create table t (a int) partition by list columns (a) (partition p0 values in (1), partition p1 values in (2));", + `create table t (id int, name varchar(10), age int) partition by list columns (id) ( + partition p0 values in (3,5,6,9,17), + partition p1 values in (1,2,10,11,19,20), + partition p2 values in (4,12,13,-14,18), + partition p3 values in (7,8,15,+16) + );`, + "create table t (a datetime) partition by list columns (a) (partition p0 values in ('2020-09-28 17:03:38','2020-09-28 17:03:39'));", + "create table t (a date) partition by list columns (a) (partition p0 values in ('2020-09-28','2020-09-29'));", + "create table t (a bigint, b date) partition by list columns (a,b) (partition p0 values in ((1,'2020-09-28'),(1,'2020-09-29')));", + "create table t (a bigint) partition by list columns (a) (partition p0 values in (to_seconds('2020-09-28 17:03:38'),to_seconds('2020-09-28 17:03:39')));", + } + + for _, sql := range validCases { + tk.MustExec("drop table if exists t") + tk.MustExec(sql) + tbl := testGetTableByName(c, s.ctx, "test", "t") + tblInfo := tbl.Meta() + c.Assert(tblInfo.Partition, NotNil) + c.Assert(tblInfo.Partition.Enable, Equals, true) + c.Assert(tblInfo.Partition.Type == model.PartitionTypeList, IsTrue) + } +} + func (s *testIntegrationSuite3) TestCreateTableWithKeyPartition(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 232ece09ec22e..d19d031f50932 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -1502,6 +1502,8 @@ func checkTableInfoValidWithStmt(ctx sessionctx.Context, tbInfo *model.TableInfo err = checkPartitionByRange(ctx, tbInfo, s) case model.PartitionTypeHash: err = checkPartitionByHash(ctx, tbInfo, s) + case model.PartitionTypeList: + err = checkPartitionByList(ctx, tbInfo, s) } if err != nil { return errors.Trace(err) @@ -1955,14 +1957,14 @@ func checkPartitionByRange(ctx sessionctx.Context, tbInfo *model.TableInfo, s *a } // Check for range columns partition. - if err := checkRangeColumnsPartitionType(tbInfo); err != nil { + if err := checkColumnsPartitionType(tbInfo); err != nil { return err } if s != nil { for _, def := range s.Partition.Definitions { exprs := def.Clause.(*ast.PartitionDefinitionClauseLessThan).Exprs - if err := checkRangeColumnsTypeAndValuesMatch(ctx, tbInfo, exprs); err != nil { + if err := checkColumnsTypeAndValuesMatch(ctx, tbInfo, exprs); err != nil { return err } } @@ -1971,7 +1973,49 @@ func checkPartitionByRange(ctx sessionctx.Context, tbInfo *model.TableInfo, s *a return checkRangeColumnsPartitionValue(ctx, tbInfo) } -func checkRangeColumnsPartitionType(tbInfo *model.TableInfo) error { +// checkPartitionByList checks validity of a "BY LIST" partition. +func checkPartitionByList(ctx sessionctx.Context, tbInfo *model.TableInfo, s *ast.CreateTableStmt) error { + pi := tbInfo.Partition + if err := checkPartitionNameUnique(pi); err != nil { + return err + } + + if err := checkAddPartitionTooManyPartitions(uint64(len(pi.Definitions))); err != nil { + return err + } + + if err := checkListPartitionValue(ctx, tbInfo); err != nil { + return err + } + + // s maybe nil when add partition. + if s == nil { + return nil + } + if len(pi.Columns) == 0 { + if err := checkPartitionFuncValid(ctx, tbInfo, s.Partition.Expr); err != nil { + return err + } + return checkPartitionFuncType(ctx, s, tbInfo) + } + if err := checkColumnsPartitionType(tbInfo); err != nil { + return err + } + + if len(pi.Columns) > 0 { + for _, def := range s.Partition.Definitions { + inValues := def.Clause.(*ast.PartitionDefinitionClauseIn).Values + for _, vs := range inValues { + if err := checkColumnsTypeAndValuesMatch(ctx, tbInfo, vs); err != nil { + return err + } + } + } + } + return nil +} + +func checkColumnsPartitionType(tbInfo *model.TableInfo) error { for _, col := range tbInfo.Partition.Columns { colInfo := getColumnInfoByName(tbInfo, col.L) if colInfo == nil { @@ -4966,7 +5010,7 @@ func buildPartitionInfo(ctx sessionctx.Context, meta *model.TableInfo, d *ddl, s // For RANGE partition only VALUES LESS THAN should be possible. clause := def.Clause.(*ast.PartitionDefinitionClauseLessThan) if len(part.Columns) > 0 { - if err := checkRangeColumnsTypeAndValuesMatch(ctx, meta, clause.Exprs); err != nil { + if err := checkColumnsTypeAndValuesMatch(ctx, meta, clause.Exprs); err != nil { return nil, err } } @@ -4989,7 +5033,7 @@ func buildPartitionInfo(ctx sessionctx.Context, meta *model.TableInfo, d *ddl, s return part, nil } -func checkRangeColumnsTypeAndValuesMatch(ctx sessionctx.Context, meta *model.TableInfo, exprs []ast.ExprNode) error { +func checkColumnsTypeAndValuesMatch(ctx sessionctx.Context, meta *model.TableInfo, exprs []ast.ExprNode) error { // Validate() has already checked len(colNames) = len(exprs) // create table ... partition by range columns (cols) // partition p0 values less than (expr) @@ -5011,7 +5055,6 @@ func checkRangeColumnsTypeAndValuesMatch(ctx sessionctx.Context, meta *model.Tab if err != nil { return err } - // Check val.ConvertTo(colType) doesn't work, so we need this case by case check. switch colType.Tp { case mysql.TypeDate, mysql.TypeDatetime: @@ -5025,6 +5068,46 @@ func checkRangeColumnsTypeAndValuesMatch(ctx sessionctx.Context, meta *model.Tab return nil } +func formatListPartitionValue(ctx sessionctx.Context, tblInfo *model.TableInfo) error { + defs := tblInfo.Partition.Definitions + pi := tblInfo.Partition + var colTps []*types.FieldType + if len(pi.Columns) == 0 { + tp := types.NewFieldType(mysql.TypeLonglong) + if isRangePartitionColUnsignedBigint(tblInfo.Columns, tblInfo.Partition) { + tp.Flag |= mysql.UnsignedFlag + } + colTps = []*types.FieldType{tp} + } else { + colTps = make([]*types.FieldType, 0, len(pi.Columns)) + for _, colName := range pi.Columns { + colInfo := findColumnByName(colName.L, tblInfo) + if colInfo == nil { + return errors.Trace(ErrFieldNotFoundPart) + } + colTps = append(colTps, &colInfo.FieldType) + } + } + for i := range defs { + for j, vs := range defs[i].InValues { + for k, v := range vs { + if colTps[k].EvalType() != types.ETInt { + continue + } + isUnsigned := mysql.HasUnsignedFlag(colTps[k].Flag) + currentRangeValue, isNull, err := getListPartitionValue(ctx, v, isUnsigned) + if err != nil { + return errors.Trace(err) + } + if !isNull { + defs[i].InValues[j][k] = fmt.Sprintf("%d", currentRangeValue) + } + } + } + } + return nil +} + // LockTables uses to execute lock tables statement. func (d *ddl) LockTables(ctx sessionctx.Context, stmt *ast.LockTablesStmt) error { lockTables := make([]model.TableLockTpInfo, 0, len(stmt.TableLocks)) diff --git a/ddl/error.go b/ddl/error.go index c75ccb1b6d487..678c66acb1063 100644 --- a/ddl/error.go +++ b/ddl/error.go @@ -247,4 +247,7 @@ var ( // ErrInvalidPlacementSpec is returned when add/alter an invalid placement rule ErrInvalidPlacementSpec = terror.ClassDDL.New(mysql.ErrInvalidPlacementSpec, mysql.MySQLErrName[mysql.ErrInvalidPlacementSpec]) + + // ErrMultipleDefConstInListPart returns multiple definition of same constant in list partitioning. + ErrMultipleDefConstInListPart = terror.ClassDDL.New(mysql.ErrMultipleDefConstInListPart, mysql.MySQLErrName[mysql.ErrMultipleDefConstInListPart]) ) diff --git a/ddl/partition.go b/ddl/partition.go index 1683820f5657f..2a038bd07b2ac 100644 --- a/ddl/partition.go +++ b/ddl/partition.go @@ -302,6 +302,9 @@ func buildTablePartitionInfo(ctx sessionctx.Context, s *ast.CreateTableStmt) (*m enable = true } } + if s.Partition.Tp == model.PartitionTypeList { + enable = true + } if !enable { ctx.GetSessionVars().StmtCtx.AppendWarning(errUnsupportedCreatePartition) @@ -322,7 +325,7 @@ func buildTablePartitionInfo(ctx sessionctx.Context, s *ast.CreateTableStmt) (*m pi.Expr = buf.String() } else if s.Partition.ColumnNames != nil { // TODO: Support multiple columns for 'PARTITION BY RANGE COLUMNS'. - if len(s.Partition.ColumnNames) != 1 { + if s.Partition.Tp == model.PartitionTypeRange && len(s.Partition.ColumnNames) != 1 { pi.Enable = false ctx.GetSessionVars().StmtCtx.AppendWarning(ErrUnsupportedPartitionByRangeColumns) } @@ -340,6 +343,10 @@ func buildTablePartitionInfo(ctx sessionctx.Context, s *ast.CreateTableStmt) (*m if err := buildHashPartitionDefinitions(ctx, s, pi); err != nil { return nil, errors.Trace(err) } + } else if s.Partition.Tp == model.PartitionTypeList { + if err := buildListPartitionDefinitions(s, pi); err != nil { + return nil, errors.Trace(err) + } } return pi, nil } @@ -363,6 +370,34 @@ func buildHashPartitionDefinitions(ctx sessionctx.Context, s *ast.CreateTableStm return nil } +func buildListPartitionDefinitions(s *ast.CreateTableStmt, pi *model.PartitionInfo) (err error) { + for _, def := range s.Partition.Definitions { + comment, _ := def.Comment() + err = checkTooLongTable(def.Name) + if err != nil { + return err + } + piDef := model.PartitionDefinition{ + Name: def.Name, + Comment: comment, + } + + buf := new(bytes.Buffer) + for _, vs := range def.Clause.(*ast.PartitionDefinitionClauseIn).Values { + inValue := make([]string, 0, len(vs)) + for i := range vs { + buf.Reset() + vs[i].Format(buf) + inValue = append(inValue, buf.String()) + } + piDef.InValues = append(piDef.InValues, inValue) + buf.Reset() + } + pi.Definitions = append(pi.Definitions, piDef) + } + return nil +} + func buildRangePartitionDefinitions(ctx sessionctx.Context, s *ast.CreateTableStmt, pi *model.PartitionInfo) (err error) { for _, def := range s.Partition.Definitions { comment, _ := def.Comment() @@ -684,7 +719,9 @@ func checkPartitionFuncType(ctx sessionctx.Context, s *ast.CreateTableStmt, tblI return errors.Trace(err) } exprStr := buf.String() - if s.Partition.Tp == model.PartitionTypeRange || s.Partition.Tp == model.PartitionTypeHash { + if s.Partition.Tp == model.PartitionTypeRange || + s.Partition.Tp == model.PartitionTypeHash || + s.Partition.Tp == model.PartitionTypeList { // if partition by columnExpr, check the column type if _, ok := s.Partition.Expr.(*ast.ColumnNameExpr); ok { for _, col := range tblInfo.Columns { @@ -761,6 +798,46 @@ func checkCreatePartitionValue(ctx sessionctx.Context, tblInfo *model.TableInfo) return nil } +func checkListPartitionValue(ctx sessionctx.Context, tblInfo *model.TableInfo) error { + pi := tblInfo.Partition + if len(pi.Definitions) == 0 { + return ast.ErrPartitionsMustBeDefined.GenWithStackByArgs("LIST") + } + if err := formatListPartitionValue(ctx, tblInfo); err != nil { + return err + } + + var partitionsValuesMap []map[string]struct{} + partitionsValuesMap = append(partitionsValuesMap, make(map[string]struct{})) + for i := 1; i < len(pi.Columns); i++ { + partitionsValuesMap = append(partitionsValuesMap, make(map[string]struct{})) + } + + checkUniqueValue := func(vs []string) error { + found := 0 + for i, v := range vs { + m := partitionsValuesMap[i] + if _, ok := m[v]; ok { + found++ + } + m[v] = struct{}{} + } + if found == len(vs) { + return errors.Trace(ErrMultipleDefConstInListPart) + } + return nil + } + + for _, def := range pi.Definitions { + for _, vs := range def.InValues { + if err := checkUniqueValue(vs); err != nil { + return err + } + } + } + return nil +} + // getRangeValue gets an integer from the range value string. // The returned boolean value indicates whether the input string is a constant expression. func getRangeValue(ctx sessionctx.Context, str string, unsignedBigint bool) (interface{}, bool, error) { @@ -798,6 +875,43 @@ func getRangeValue(ctx sessionctx.Context, str string, unsignedBigint bool) (int return 0, false, ErrNotAllowedTypeInPartition.GenWithStackByArgs(str) } +// getListPartitionValue gets an integer/null from the string value. +// The returned boolean value indicates whether the input string is a null. +func getListPartitionValue(ctx sessionctx.Context, str string, unsignedBigint bool) (interface{}, bool, error) { + // The input value maybe an integer or constant expression or null. + // For example: + // PARTITION p0 VALUES IN (1) + // PARTITION p0 VALUES IN (TO_SECONDS('2004-01-01')) + // PARTITION p0 VALUES IN (NULL) + if unsignedBigint { + if value, err := strconv.ParseUint(str, 10, 64); err == nil { + return value, false, nil + } + + e, err1 := expression.ParseSimpleExprWithTableInfo(ctx, str, &model.TableInfo{}) + if err1 != nil { + return 0, false, err1 + } + res, isNull, err2 := e.EvalInt(ctx, chunk.Row{}) + if err2 == nil { + return uint64(res), isNull, nil + } + } else { + if value, err := strconv.ParseInt(str, 10, 64); err == nil { + return value, false, nil + } + e, err1 := expression.ParseSimpleExprWithTableInfo(ctx, str, &model.TableInfo{}) + if err1 != nil { + return 0, false, err1 + } + res, isNull, err2 := e.EvalInt(ctx, chunk.Row{}) + if err2 == nil { + return res, isNull, nil + } + } + return 0, false, ErrNotAllowedTypeInPartition.GenWithStackByArgs(str) +} + // validRangePartitionType checks the type supported by the range partitioning key. func validRangePartitionType(col *model.ColumnInfo) bool { switch col.FieldType.EvalType() { diff --git a/executor/executor_test.go b/executor/executor_test.go index 75b700129db57..1330d84830314 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -4111,7 +4111,7 @@ func (s *testSuite3) TestSelectHashPartitionTable(c *C) { func (s *testSuiteP1) TestSelectPartition(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec(`use test`) - tk.MustExec(`drop table if exists th, tr`) + tk.MustExec(`drop table if exists th, tr, tl`) tk.MustExec("set @@session.tidb_enable_table_partition = '1';") tk.MustExec(`create table th (a int, b int) partition by hash(a) partitions 3;`) tk.MustExec(`create table tr (a int, b int) @@ -4119,24 +4119,35 @@ func (s *testSuiteP1) TestSelectPartition(c *C) { partition r0 values less than (4), partition r1 values less than (7), partition r3 values less than maxvalue)`) - defer tk.MustExec(`drop table if exists th, tr`) + tk.MustExec(`create table tl (a int, b int, unique index idx(a)) partition by list (a) ( + partition p0 values in (3,5,6,9,17), + partition p1 values in (1,2,10,11,19,20), + partition p2 values in (4,12,13,14,18), + partition p3 values in (7,8,15,16,null));`) + defer tk.MustExec(`drop table if exists th, tr, tl`) tk.MustExec(`insert into th values (0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8);`) tk.MustExec("insert into th values (-1,-1),(-2,-2),(-3,-3),(-4,-4),(-5,-5),(-6,-6),(-7,-7),(-8,-8);") tk.MustExec(`insert into tr values (-3,-3),(3,3),(4,4),(7,7),(8,8);`) + tk.MustExec(`insert into tl values (3,3),(1,1),(4,4),(7,7),(8,8),(null,null);`) // select 1 partition. tk.MustQuery("select b from th partition (p0) order by a").Check(testkit.Rows("-6", "-3", "0", "3", "6")) tk.MustQuery("select b from tr partition (r0) order by a").Check(testkit.Rows("-3", "3")) + tk.MustQuery("select b from tl partition (p0) order by a").Check(testkit.Rows("3")) tk.MustQuery("select b from th partition (p0,P0) order by a").Check(testkit.Rows("-6", "-3", "0", "3", "6")) tk.MustQuery("select b from tr partition (r0,R0,r0) order by a").Check(testkit.Rows("-3", "3")) + tk.MustQuery("select b from tl partition (p0,P0,p0) order by a").Check(testkit.Rows("3")) // select multi partition. tk.MustQuery("select b from th partition (P2,p0) order by a").Check(testkit.Rows("-8", "-6", "-5", "-3", "-2", "0", "2", "3", "5", "6", "8")) tk.MustQuery("select b from tr partition (r1,R3) order by a").Check(testkit.Rows("4", "7", "8")) + tk.MustQuery("select b from tl partition (p0,P3) order by a").Check(testkit.Rows("", "3", "7", "8")) // test select unknown partition error err := tk.ExecToErr("select b from th partition (p0,p4)") c.Assert(err.Error(), Equals, "[table:1735]Unknown partition 'p4' in table 'th'") err = tk.ExecToErr("select b from tr partition (r1,r4)") c.Assert(err.Error(), Equals, "[table:1735]Unknown partition 'r4' in table 'tr'") + err = tk.ExecToErr("select b from tl partition (p0,p4)") + c.Assert(err.Error(), Equals, "[table:1735]Unknown partition 'p4' in table 'tl'") // test select partition table in transaction. tk.MustExec("begin") diff --git a/planner/core/partition_prune.go b/planner/core/partition_prune.go index d9642916c2539..20d8656cddbc5 100644 --- a/planner/core/partition_prune.go +++ b/planner/core/partition_prune.go @@ -37,6 +37,8 @@ func PartitionPruning(ctx sessionctx.Context, tbl table.PartitionedTable, conds } ret := s.convertToIntSlice(rangeOr, pi, partitionNames) return ret, nil + case model.PartitionTypeList: + return s.pruneListPartition(tbl, partitionNames), nil } return []int{FullRange}, nil } diff --git a/planner/core/rule_partition_processor.go b/planner/core/rule_partition_processor.go index 26bbc9f87a3cd..bf380a7275b3e 100644 --- a/planner/core/rule_partition_processor.go +++ b/planner/core/rule_partition_processor.go @@ -224,6 +224,15 @@ func (s *partitionProcessor) processHashPartition(ds *DataSource, pi *model.Part return tableDual, nil } +func (s *partitionProcessor) pruneListPartition(tbl table.Table, partitionNames []model.CIStr) []int { + if len(partitionNames) > 0 { + pi := tbl.Meta().Partition + or := partitionRangeOR{partitionRange{0, len(pi.Definitions)}} + return s.convertToIntSlice(or, pi, partitionNames) + } + return []int{FullRange} +} + func (s *partitionProcessor) prune(ds *DataSource) (LogicalPlan, error) { pi := ds.tableInfo.GetPartitionInfo() if pi == nil { diff --git a/table/tables/partition.go b/table/tables/partition.go index bcb5e6a2b28c2..06f36afb38018 100644 --- a/table/tables/partition.go +++ b/table/tables/partition.go @@ -116,6 +116,8 @@ func newPartitionExpr(tblInfo *model.TableInfo) (*PartitionExpr, error) { return generateRangePartitionExpr(ctx, pi, columns, names) case model.PartitionTypeHash: return generateHashPartitionExpr(ctx, pi, columns, names) + case model.PartitionTypeList: + return generateListPartitionExpr(ctx, pi, columns, names) } panic("cannot reach here") } @@ -134,6 +136,8 @@ type PartitionExpr struct { *ForRangeColumnsPruning // ColOffset is the offsets of partition columns. ColumnOffset []int + // InValues: x in (1,2); x in (3,4); x in (5,6), used for list partition. + InValues []expression.Expression } func initEvalBufferType(t *partitionedTable) { @@ -334,6 +338,134 @@ func generateRangePartitionExpr(ctx sessionctx.Context, pi *model.PartitionInfo, return ret, nil } +func generateListPartitionExpr(ctx sessionctx.Context, pi *model.PartitionInfo, + columns []*expression.Column, names types.NameSlice) (*PartitionExpr, error) { + // The caller should assure partition info is not nil. + locateExprs := make([]expression.Expression, 0, len(pi.Definitions)) + schema := expression.NewSchema(columns...) + p := parser.New() + for _, def := range pi.Definitions { + exprStr, err := generateListPartitionExprStr(ctx, pi, schema, names, &def, p) + if err != nil { + return nil, err + } + expr, err := parseSimpleExprWithNames(p, ctx, exprStr, schema, names) + if err != nil { + // If it got an error here, ddl may hang forever, so this error log is important. + logutil.BgLogger().Error("wrong table partition expression", zap.String("expression", exprStr), zap.Error(err)) + return nil, errors.Trace(err) + } + locateExprs = append(locateExprs, expr) + } + ret := &PartitionExpr{ + InValues: locateExprs, + } + return ret, nil +} + +func generateListPartitionExprStr(ctx sessionctx.Context, pi *model.PartitionInfo, + schema *expression.Schema, names types.NameSlice, def *model.PartitionDefinition, p *parser.Parser) (string, error) { + if len(pi.Columns) < 2 { + return generateListColumnsPartitionExprStr(ctx, pi, schema, names, def, p) + } + return generateMultiListColumnsPartitionExprStr(ctx, pi, schema, names, def, p) +} + +func generateListColumnsPartitionExprStr(ctx sessionctx.Context, pi *model.PartitionInfo, + schema *expression.Schema, names types.NameSlice, def *model.PartitionDefinition, p *parser.Parser) (string, error) { + var partStr string + if len(pi.Columns) == 0 { + partStr = pi.Expr + } else if len(pi.Columns) == 1 { + partStr = pi.Columns[0].L + } else { + return generateMultiListColumnsPartitionExprStr(ctx, pi, schema, names, def, p) + } + var buf, nullCondBuf bytes.Buffer + fmt.Fprintf(&buf, "(%s in (", partStr) + for i, vs := range def.InValues { + if i > 0 { + buf.WriteByte(',') + } + buf.WriteString(vs[0]) + } + buf.WriteString("))") + for _, vs := range def.InValues { + nullCondBuf.Reset() + hasNull := false + for i, value := range vs { + expr, err := parseSimpleExprWithNames(p, ctx, value, schema, names) + if err != nil { + return "", errors.Trace(err) + } + v, err := expr.Eval(chunk.Row{}) + if err != nil { + return "", errors.Trace(err) + } + if i > 0 { + nullCondBuf.WriteString(" and ") + } + if v.IsNull() { + hasNull = true + fmt.Fprintf(&nullCondBuf, "%s is null", partStr) + } else { + fmt.Fprintf(&nullCondBuf, "%s = %s", partStr, value) + } + } + if hasNull { + fmt.Fprintf(&buf, " or (%s) ", nullCondBuf.String()) + } + } + return buf.String(), nil +} + +func generateMultiListColumnsPartitionExprStr(ctx sessionctx.Context, pi *model.PartitionInfo, + schema *expression.Schema, names types.NameSlice, def *model.PartitionDefinition, p *parser.Parser) (string, error) { + var buf, nullCondBuf bytes.Buffer + var partStr string + for i, col := range pi.Columns { + if i > 0 { + partStr += "," + } + partStr += col.L + } + fmt.Fprintf(&buf, "((%s) in (", partStr) + for i, vs := range def.InValues { + if i > 0 { + buf.WriteByte(',') + } + fmt.Fprintf(&buf, "(%s)", strings.Join(vs, ",")) + } + buf.WriteString("))") + for _, vs := range def.InValues { + nullCondBuf.Reset() + hasNull := false + for i, value := range vs { + expr, err := parseSimpleExprWithNames(p, ctx, value, schema, names) + if err != nil { + return "", errors.Trace(err) + } + v, err := expr.Eval(chunk.Row{}) + if err != nil { + return "", errors.Trace(err) + } + if i > 0 { + nullCondBuf.WriteString(" and ") + } + if v.IsNull() { + hasNull = true + fmt.Fprintf(&nullCondBuf, "%s is null", pi.Columns[i]) + } else { + fmt.Fprintf(&nullCondBuf, "%s = %s", pi.Columns[i], value) + } + } + if hasNull { + fmt.Fprintf(&buf, " or (%s) ", nullCondBuf.String()) + } + } + return buf.String(), nil +} + func generateHashPartitionExpr(ctx sessionctx.Context, pi *model.PartitionInfo, columns []*expression.Column, names types.NameSlice) (*PartitionExpr, error) { // The caller should assure partition info is not nil. @@ -390,6 +522,8 @@ func (t *partitionedTable) locatePartition(ctx sessionctx.Context, pi *model.Par } case model.PartitionTypeHash: idx, err = t.locateHashPartition(ctx, pi, r) + case model.PartitionTypeList: + idx, err = t.locateListPartition(ctx, pi, r) } if err != nil { return 0, errors.Trace(err) @@ -442,6 +576,33 @@ func (t *partitionedTable) locateRangeColumnPartition(ctx sessionctx.Context, pi return idx, nil } +func (t *partitionedTable) locateListPartition(ctx sessionctx.Context, pi *model.PartitionInfo, r []types.Datum) (int, error) { + for i, expr := range t.partitionExpr.InValues { + ret, _, err := expr.EvalInt(ctx, chunk.MutRowFromDatums(r).ToRow()) + if err != nil { + return 0, errors.Trace(err) + } + if ret > 0 { + return i, nil + } + } + // The data does not belong to any of the partition returns `table has no partition for value %s`. + var valueMsg string + if pi.Expr != "" { + e, err := expression.ParseSimpleExprWithTableInfo(ctx, pi.Expr, t.meta) + if err == nil { + val, _, err := e.EvalInt(ctx, chunk.MutRowFromDatums(r).ToRow()) + if err == nil { + valueMsg = fmt.Sprintf("%d", val) + } + } + } else { + // When the table is partitioned by list columns. + valueMsg = "from column_list" + } + return 0, table.ErrNoPartitionForGivenValue.GenWithStackByArgs(valueMsg) +} + func (t *partitionedTable) locateRangePartition(ctx sessionctx.Context, pi *model.PartitionInfo, r []types.Datum) (int, error) { var ( ret int64 From 81fa1b37e8a487382a9feaf8697cc84c8a2120fc Mon Sep 17 00:00:00 2001 From: Jack Yu Date: Fri, 16 Oct 2020 11:30:43 +0800 Subject: [PATCH 0036/1021] *: refactor GetSnapshot (#20475) Signed-off-by: Shuaipeng Yu --- ddl/backfilling.go | 5 +---- domain/domain.go | 10 ++-------- executor/analyze.go | 11 ++--------- executor/batch_point_get.go | 5 +---- executor/point_get.go | 5 +---- kv/fault_injection.go | 6 +++--- kv/fault_injection_test.go | 6 ++---- kv/interface_mock_test.go | 4 ++-- kv/kv.go | 2 +- kv/mock_test.go | 3 +-- meta/meta_test.go | 2 +- session/schema_amender.go | 6 +----- session/schema_amender_test.go | 3 +-- store/store_test.go | 6 ++---- store/tikv/2pc.go | 14 ++------------ store/tikv/async_commit_test.go | 3 +-- store/tikv/gcworker/gc_worker_test.go | 8 +++----- store/tikv/kv.go | 4 ++-- util/mock/store.go | 2 +- 19 files changed, 30 insertions(+), 75 deletions(-) diff --git a/ddl/backfilling.go b/ddl/backfilling.go index 5a8e4ece3e564..5876ff3bf58ca 100644 --- a/ddl/backfilling.go +++ b/ddl/backfilling.go @@ -592,11 +592,8 @@ func iterateSnapshotRows(store kv.Storage, priority int, t table.Table, version } ver := kv.Version{Ver: version} - snap, err := store.GetSnapshot(ver) + snap := store.GetSnapshot(ver) snap.SetOption(kv.Priority, priority) - if err != nil { - return errors.Trace(err) - } it, err := snap.Iter(firstKey, upperBound) if err != nil { diff --git a/domain/domain.go b/domain/domain.go index 1c674ac5fe38a..858c1d9f5cba3 100644 --- a/domain/domain.go +++ b/domain/domain.go @@ -86,10 +86,7 @@ type Domain struct { // It returns the latest schema version, the changed table IDs, whether it's a full load and an error. func (do *Domain) loadInfoSchema(handle *infoschema.Handle, usedSchemaVersion int64, startTS uint64) (neededSchemaVersion int64, change *tikv.RelatedSchemaChange, fullLoad bool, err error) { - snapshot, err := do.store.GetSnapshot(kv.NewVersion(startTS)) - if err != nil { - return 0, nil, fullLoad, err - } + snapshot := do.store.GetSnapshot(kv.NewVersion(startTS)) m := meta.NewSnapshotMeta(snapshot) neededSchemaVersion, err = m.GetSchemaVersion() if err != nil { @@ -320,10 +317,7 @@ func (do *Domain) GetSnapshotInfoSchema(snapshotTS uint64) (infoschema.InfoSchem // GetSnapshotMeta gets a new snapshot meta at startTS. func (do *Domain) GetSnapshotMeta(startTS uint64) (*meta.Meta, error) { - snapshot, err := do.store.GetSnapshot(kv.NewVersion(startTS)) - if err != nil { - return nil, err - } + snapshot := do.store.GetSnapshot(kv.NewVersion(startTS)) return meta.NewSnapshotMeta(snapshot), nil } diff --git a/executor/analyze.go b/executor/analyze.go index a3aab93b09de3..e505ba45cdd1c 100644 --- a/executor/analyze.go +++ b/executor/analyze.go @@ -935,10 +935,7 @@ func (e *AnalyzeFastExec) handleScanIter(iter kv.Iterator) (scanKeysSize int, er } func (e *AnalyzeFastExec) handleScanTasks(bo *tikv.Backoffer) (keysSize int, err error) { - snapshot, err := e.ctx.GetStore().(tikv.Storage).GetSnapshot(kv.MaxVersion) - if err != nil { - return 0, err - } + snapshot := e.ctx.GetStore().(tikv.Storage).GetSnapshot(kv.MaxVersion) if e.ctx.GetSessionVars().GetReplicaRead().IsFollowerRead() { snapshot.SetOption(kv.ReplicaRead, kv.ReplicaReadFollower) } @@ -958,11 +955,7 @@ func (e *AnalyzeFastExec) handleScanTasks(bo *tikv.Backoffer) (keysSize int, err func (e *AnalyzeFastExec) handleSampTasks(workID int, step uint32, err *error) { defer e.wg.Done() - var snapshot kv.Snapshot - snapshot, *err = e.ctx.GetStore().(tikv.Storage).GetSnapshot(kv.MaxVersion) - if *err != nil { - return - } + snapshot := e.ctx.GetStore().(tikv.Storage).GetSnapshot(kv.MaxVersion) snapshot.SetOption(kv.NotFillCache, true) snapshot.SetOption(kv.IsolationLevel, kv.RC) snapshot.SetOption(kv.Priority, kv.PriorityLow) diff --git a/executor/batch_point_get.go b/executor/batch_point_get.go index c4fdca29b4bb3..3b7e1694101fd 100644 --- a/executor/batch_point_get.go +++ b/executor/batch_point_get.go @@ -99,10 +99,7 @@ func (e *BatchPointGetExec) Open(context.Context) error { // The snapshot may contains cache that can reduce RPC call. snapshot = txn.GetSnapshot() } else { - snapshot, err = e.ctx.GetStore().GetSnapshot(kv.Version{Ver: e.snapshotTS}) - if err != nil { - return err - } + snapshot = e.ctx.GetStore().GetSnapshot(kv.Version{Ver: e.snapshotTS}) } if e.runtimeStats != nil { snapshotStats := &tikv.SnapshotRuntimeStats{} diff --git a/executor/point_get.go b/executor/point_get.go index ab0f13c9be6ee..79672c1fe7553 100644 --- a/executor/point_get.go +++ b/executor/point_get.go @@ -132,10 +132,7 @@ func (e *PointGetExecutor) Open(context.Context) error { if e.txn.Valid() && txnCtx.StartTS == txnCtx.GetForUpdateTS() { e.snapshot = e.txn.GetSnapshot() } else { - e.snapshot, err = e.ctx.GetStore().GetSnapshot(kv.Version{Ver: snapshotTS}) - if err != nil { - return err - } + e.snapshot = e.ctx.GetStore().GetSnapshot(kv.Version{Ver: snapshotTS}) } if e.runtimeStats != nil { snapshotStats := &tikv.SnapshotRuntimeStats{} diff --git a/kv/fault_injection.go b/kv/fault_injection.go index ca187d36bb190..e5c3d0aebe639 100644 --- a/kv/fault_injection.go +++ b/kv/fault_injection.go @@ -73,12 +73,12 @@ func (s *InjectedStore) BeginWithStartTS(startTS uint64) (Transaction, error) { } // GetSnapshot creates an injected Snapshot. -func (s *InjectedStore) GetSnapshot(ver Version) (Snapshot, error) { - snapshot, err := s.Storage.GetSnapshot(ver) +func (s *InjectedStore) GetSnapshot(ver Version) Snapshot { + snapshot := s.Storage.GetSnapshot(ver) return &InjectedSnapshot{ Snapshot: snapshot, cfg: s.cfg, - }, err + } } // InjectedTransaction wraps a Transaction with injections. diff --git a/kv/fault_injection_test.go b/kv/fault_injection_test.go index 004664d5bfede..500dd3a536910 100644 --- a/kv/fault_injection_test.go +++ b/kv/fault_injection_test.go @@ -37,8 +37,7 @@ func (s testFaultInjectionSuite) TestFaultInjectionBasic(c *C) { _, err = storage.BeginWithStartTS(0) c.Assert(err, IsNil) ver := Version{Ver: 1} - snap, err := storage.GetSnapshot(ver) - c.Assert(err, IsNil) + snap := storage.GetSnapshot(ver) b, err := txn.Get(context.TODO(), []byte{'a'}) c.Assert(err.Error(), Equals, err1.Error()) c.Assert(b, IsNil) @@ -63,8 +62,7 @@ func (s testFaultInjectionSuite) TestFaultInjectionBasic(c *C) { storage = NewInjectedStore(newMockStorage(), &cfg) txn, err = storage.Begin() c.Assert(err, IsNil) - snap, err = storage.GetSnapshot(ver) - c.Assert(err, IsNil) + snap = storage.GetSnapshot(ver) b, err = txn.Get(context.TODO(), []byte{'a'}) c.Assert(err, IsNil) diff --git a/kv/interface_mock_test.go b/kv/interface_mock_test.go index 33fc7e7287a92..ade7eb0e8c96d 100644 --- a/kv/interface_mock_test.go +++ b/kv/interface_mock_test.go @@ -158,10 +158,10 @@ func (s *mockStorage) BeginWithStartTS(startTS uint64) (Transaction, error) { return s.Begin() } -func (s *mockStorage) GetSnapshot(ver Version) (Snapshot, error) { +func (s *mockStorage) GetSnapshot(ver Version) Snapshot { return &mockSnapshot{ store: newMemDB(), - }, nil + } } func (s *mockStorage) Close() error { diff --git a/kv/kv.go b/kv/kv.go index eb8d9dfdf84b4..6a20467dd4075 100644 --- a/kv/kv.go +++ b/kv/kv.go @@ -448,7 +448,7 @@ type Storage interface { BeginWithStartTS(startTS uint64) (Transaction, error) // GetSnapshot gets a snapshot that is able to read any data which data is <= ver. // if ver is MaxVersion or > current max committed version, we will use current version for this snapshot. - GetSnapshot(ver Version) (Snapshot, error) + GetSnapshot(ver Version) Snapshot // GetClient gets a client instance. GetClient() Client // Close store diff --git a/kv/mock_test.go b/kv/mock_test.go index 52d972263fcbc..bbc0b74151361 100644 --- a/kv/mock_test.go +++ b/kv/mock_test.go @@ -30,8 +30,7 @@ func (s testMockSuite) TestInterface(c *C) { storage.UUID() version, err := storage.CurrentVersion() c.Check(err, IsNil) - snapshot, err := storage.GetSnapshot(version) - c.Check(err, IsNil) + snapshot := storage.GetSnapshot(version) _, err = snapshot.BatchGet(context.Background(), []Key{Key("abc"), Key("def")}) c.Check(err, IsNil) snapshot.SetOption(Priority, PriorityNormal) diff --git a/meta/meta_test.go b/meta/meta_test.go index 17a6c8f735e8f..4ea9db0e88a12 100644 --- a/meta/meta_test.go +++ b/meta/meta_test.go @@ -295,7 +295,7 @@ func (s *testSuite) TestSnapshot(c *C) { c.Assert(n, Equals, int64(2)) txn.Commit(context.Background()) - snapshot, _ := store.GetSnapshot(ver1) + snapshot := store.GetSnapshot(ver1) snapMeta := meta.NewSnapshotMeta(snapshot) n, _ = snapMeta.GetGlobalID() c.Assert(n, Equals, int64(1)) diff --git a/session/schema_amender.go b/session/schema_amender.go index a52a64a9bdf8a..d4befdec040be 100644 --- a/session/schema_amender.go +++ b/session/schema_amender.go @@ -506,11 +506,7 @@ func (s *SchemaAmender) prepareKvMap(ctx context.Context, commitMutations tikv.C } // BatchGet the old key values, the Op_Del and Op_Put types keys in storage using forUpdateTS, the Op_put type is for // row update using the same row key, it may not exist. - snapshot, err := s.sess.GetStore().GetSnapshot(kv.Version{Ver: s.sess.sessionVars.TxnCtx.GetForUpdateTS()}) - if err != nil { - logutil.Logger(ctx).Warn("amend failed to get snapshot using forUpdateTS", zap.Error(err)) - return nil, errors.Trace(err) - } + snapshot := s.sess.GetStore().GetSnapshot(kv.Version{Ver: s.sess.sessionVars.TxnCtx.GetForUpdateTS()}) oldValKvMap, err := snapshot.BatchGet(ctx, removeKeys) if err != nil { logutil.Logger(ctx).Warn("amend failed to batch get kv old keys", zap.Error(err)) diff --git a/session/schema_amender_test.go b/session/schema_amender_test.go index 73f48bcfcdcee..67d91dad03eb7 100644 --- a/session/schema_amender_test.go +++ b/session/schema_amender_test.go @@ -390,8 +390,7 @@ func (s *testSchemaAmenderSuite) TestAmendCollectAndGenMutations(c *C) { curVer, err := se.store.CurrentVersion() c.Assert(err, IsNil) se.sessionVars.TxnCtx.SetForUpdateTS(curVer.Ver + 1) - snap, err := se.store.GetSnapshot(kv.Version{Ver: se.sessionVars.TxnCtx.GetForUpdateTS()}) - c.Assert(err, IsNil) + snap := se.store.GetSnapshot(kv.Version{Ver: se.sessionVars.TxnCtx.GetForUpdateTS()}) oldVals, err := snap.BatchGet(ctx, oldKeys) c.Assert(err, IsNil) c.Assert(len(oldVals), Equals, len(oldKeys)) diff --git a/store/store_test.go b/store/store_test.go index 066d7334e48d4..54d431f33a146 100644 --- a/store/store_test.go +++ b/store/store_test.go @@ -546,8 +546,7 @@ func (s *testKVSuite) TestDBClose(c *C) { c.Assert(err, IsNil) c.Assert(kv.MaxVersion.Cmp(ver), Equals, 1) - snap, err := store.GetSnapshot(kv.MaxVersion) - c.Assert(err, IsNil) + snap := store.GetSnapshot(kv.MaxVersion) _, err = snap.Get(context.TODO(), []byte("a")) c.Assert(err, IsNil) @@ -561,8 +560,7 @@ func (s *testKVSuite) TestDBClose(c *C) { _, err = store.Begin() c.Assert(err, NotNil) - _, err = store.GetSnapshot(kv.MaxVersion) - c.Assert(err, NotNil) + _ = store.GetSnapshot(kv.MaxVersion) err = txn.Set([]byte("a"), []byte("b")) c.Assert(err, IsNil) diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index 761deb2592b59..90738da18dc19 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -1502,18 +1502,8 @@ func (c *twoPhaseCommitter) getUndeterminedErr() error { // schema version change. So we just check the version from meta snapshot, it's much stricter. func checkSchemaVersionForAsyncCommit(ctx context.Context, startTS uint64, commitTS uint64, store Storage) (bool, error) { if commitTS > 0 { - snapshotAtStart, err := store.GetSnapshot(kv.NewVersion(startTS)) - if err != nil { - logutil.Logger(ctx).Error("get snapshot failed for resolve async startTS", - zap.Uint64("startTS", startTS), zap.Uint64("commitTS", commitTS)) - return false, errors.Trace(err) - } - snapShotAtCommit, err := store.GetSnapshot(kv.NewVersion(commitTS)) - if err != nil { - logutil.Logger(ctx).Error("get snapshot failed for resolve async commitTS", - zap.Uint64("startTS", startTS), zap.Uint64("commitTS", commitTS)) - return false, errors.Trace(err) - } + snapshotAtStart := store.GetSnapshot(kv.NewVersion(startTS)) + snapShotAtCommit := store.GetSnapshot(kv.NewVersion(commitTS)) schemaVerAtStart, err := meta.NewSnapshotMeta(snapshotAtStart).GetSchemaVersion() if err != nil { return false, errors.Trace(err) diff --git a/store/tikv/async_commit_test.go b/store/tikv/async_commit_test.go index b3cfff13c5378..5d63cfd80a8d4 100644 --- a/store/tikv/async_commit_test.go +++ b/store/tikv/async_commit_test.go @@ -92,8 +92,7 @@ func (s *testAsyncCommitCommon) mustGetLock(c *C, key []byte) *Lock { } func (s *testAsyncCommitCommon) mustPointGet(c *C, key, expectedValue []byte) { - snap, err := s.store.GetSnapshot(kv.MaxVersion) - c.Assert(err, IsNil) + snap := s.store.GetSnapshot(kv.MaxVersion) value, err := snap.Get(context.Background(), key) c.Assert(err, IsNil) c.Assert(value, BytesEquals, expectedValue) diff --git a/store/tikv/gcworker/gc_worker_test.go b/store/tikv/gcworker/gc_worker_test.go index 222954145efba..b8fb124316a37 100644 --- a/store/tikv/gcworker/gc_worker_test.go +++ b/store/tikv/gcworker/gc_worker_test.go @@ -120,17 +120,15 @@ func (s *testGCWorkerSuite) mustPut(c *C, key, value string) { } func (s *testGCWorkerSuite) mustGet(c *C, key string, ts uint64) string { - snap, err := s.store.GetSnapshot(kv.Version{Ver: ts}) - c.Assert(err, IsNil) + snap := s.store.GetSnapshot(kv.Version{Ver: ts}) value, err := snap.Get(context.TODO(), []byte(key)) c.Assert(err, IsNil) return string(value) } func (s *testGCWorkerSuite) mustGetNone(c *C, key string, ts uint64) { - snap, err := s.store.GetSnapshot(kv.Version{Ver: ts}) - c.Assert(err, IsNil) - _, err = snap.Get(context.TODO(), []byte(key)) + snap := s.store.GetSnapshot(kv.Version{Ver: ts}) + _, err := snap.Get(context.TODO(), []byte(key)) if err != nil { // Unistore's gc is based on compaction filter. // So skip the error check if err == nil. diff --git a/store/tikv/kv.go b/store/tikv/kv.go index 6b9b7f11971f4..4950b812d304b 100644 --- a/store/tikv/kv.go +++ b/store/tikv/kv.go @@ -326,9 +326,9 @@ func (s *tikvStore) BeginWithStartTS(startTS uint64) (kv.Transaction, error) { return txn, nil } -func (s *tikvStore) GetSnapshot(ver kv.Version) (kv.Snapshot, error) { +func (s *tikvStore) GetSnapshot(ver kv.Version) kv.Snapshot { snapshot := newTiKVSnapshot(s, ver, s.nextReplicaReadSeed()) - return snapshot, nil + return snapshot } func (s *tikvStore) Close() error { diff --git a/util/mock/store.go b/util/mock/store.go index 032201713311a..76d3974b38448 100644 --- a/util/mock/store.go +++ b/util/mock/store.go @@ -38,7 +38,7 @@ func (s *Store) Begin() (kv.Transaction, error) { return nil, nil } func (s *Store) BeginWithStartTS(startTS uint64) (kv.Transaction, error) { return s.Begin() } // GetSnapshot implements kv.Storage interface. -func (s *Store) GetSnapshot(ver kv.Version) (kv.Snapshot, error) { return nil, nil } +func (s *Store) GetSnapshot(ver kv.Version) kv.Snapshot { return nil } // Close implements kv.Storage interface. func (s *Store) Close() error { return nil } From da70410fd3228c8fd3583203fc503fc6d95e54b9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Patrick=20Jiang=28=E7=99=BD=E6=B3=BD=29?= Date: Fri, 16 Oct 2020 11:55:43 +0800 Subject: [PATCH 0037/1021] ddl: Supports transitions between the same type (String types) (#20032) --- ddl/column.go | 39 ++++++++++++++++++++-- ddl/column_test.go | 2 +- ddl/db_change_test.go | 3 +- ddl/db_test.go | 60 ++++++++++++++++++++++++++++++++++ ddl/ddl_api.go | 45 +++++++++++++++---------- expression/integration_test.go | 3 +- 6 files changed, 128 insertions(+), 24 deletions(-) diff --git a/ddl/column.go b/ddl/column.go index cf4d55c20e034..e4b7dd0a6815a 100644 --- a/ddl/column.go +++ b/ddl/column.go @@ -652,10 +652,29 @@ func needChangeColumnData(oldCol, newCol *model.ColumnInfo) bool { // cut to eliminate data reorg change for column type change between decimal. return oldCol.Flen != newCol.Flen || oldCol.Decimal != newCol.Decimal || toUnsigned != originUnsigned } + if oldCol.Tp == newCol.Tp && (oldCol.Tp == mysql.TypeEnum || oldCol.Tp == mysql.TypeSet) { + return isElemsChangedToModifyColumn(oldCol.Elems, newCol.Elems) + } + if oldCol.Tp == mysql.TypeEnum || oldCol.Tp == mysql.TypeSet || + newCol.Tp == mysql.TypeEnum || newCol.Tp == mysql.TypeSet { + return true + } if newCol.Flen > 0 && newCol.Flen < oldCol.Flen || toUnsigned != originUnsigned { return true } + return false +} +func isElemsChangedToModifyColumn(oldElems, newElems []string) bool { + if len(newElems) < len(oldElems) { + return true + } + for index, oldElem := range oldElems { + newElem := newElems[index] + if oldElem != newElem { + return true + } + } return false } @@ -901,7 +920,7 @@ func (w *worker) doModifyColumnTypeWithData( // If timeout, we should return, check for the owner and re-wait job done. return ver, nil } - if kv.ErrKeyExists.Equal(err) || errCancelledDDLJob.Equal(err) || errCantDecodeRecord.Equal(err) || types.ErrOverflow.Equal(err) { + if needRollbackData(err) { if err1 := t.RemoveDDLReorgHandle(job, reorgInfo.elements); err1 != nil { logutil.BgLogger().Warn("[ddl] run modify column job failed, RemoveDDLReorgHandle failed, can't convert job to rollback", zap.String("job", job.String()), zap.Error(err1)) @@ -960,6 +979,12 @@ func (w *worker) doModifyColumnTypeWithData( return ver, errors.Trace(err) } +// needRollbackData indicates whether it needs to rollback data when specific error occurs. +func needRollbackData(err error) bool { + return kv.ErrKeyExists.Equal(err) || errCancelledDDLJob.Equal(err) || errCantDecodeRecord.Equal(err) || + types.ErrOverflow.Equal(err) || types.ErrDataTooLong.Equal(err) || types.ErrTruncated.Equal(err) +} + // BuildElements is exported for testing. func BuildElements(changingCol *model.ColumnInfo, changingIdxs []*model.IndexInfo) []*meta.Element { elements := make([]*meta.Element, 0, len(changingIdxs)+1) @@ -1148,6 +1173,7 @@ func (w *updateColumnWorker) getRowRecord(handle kv.Handle, recordKey []byte, ra var recordWarning *terror.Error newColVal, err := table.CastValue(w.sessCtx, w.rowMap[w.oldColInfo.ID], w.newColInfo, false, false) if err != nil { + err = w.reformatErrors(err) if IsNormalWarning(err) || (!w.sqlMode.HasStrictMode() && IsStrictWarning(err)) { // Keep the warnings. recordWarning = errors.Cause(err).(*terror.Error) @@ -1182,6 +1208,15 @@ func (w *updateColumnWorker) getRowRecord(handle kv.Handle, recordKey []byte, ra return nil } +// reformatErrors casted error because `convertTo` function couldn't package column name and datum value for some errors. +func (w *updateColumnWorker) reformatErrors(err error) error { + // Since row count is not precious in concurrent reorganization, here we substitute row count with datum value. + if types.ErrTruncated.Equal(err) { + err = types.ErrTruncated.GenWithStack("Data truncated for column '%s', value is '%s'", w.oldColInfo.Name, w.rowMap[w.oldColInfo.ID]) + } + return err +} + // IsNormalWarning is used to check the normal warnings, for example data-truncated warnings. // This kind of warning will be always thrown out regard less of what kind of the sql mode is. func IsNormalWarning(err error) bool { @@ -1196,7 +1231,7 @@ func IsNormalWarning(err error) bool { // non-strict SQL Mode. func IsStrictWarning(err error) bool { // TODO: there are more errors here can be identified as warnings under non-strict SQL mode. - if types.ErrOverflow.Equal(err) { + if types.ErrOverflow.Equal(err) || types.ErrTruncated.Equal(err) { return true } return false diff --git a/ddl/column_test.go b/ddl/column_test.go index 9c7679a12741b..1ce4d641f56c7 100644 --- a/ddl/column_test.go +++ b/ddl/column_test.go @@ -1156,7 +1156,7 @@ func (s *testColumnSuite) TestModifyColumn(c *C) { {"varchar(10)", "text", nil}, {"varbinary(10)", "blob", nil}, {"text", "blob", errUnsupportedModifyCharset.GenWithStackByArgs("charset from utf8mb4 to binary")}, - {"varchar(10)", "varchar(8)", errUnsupportedModifyColumn.GenWithStackByArgs("length 8 is less than origin 10")}, + {"varchar(10)", "varchar(8)", errUnsupportedModifyColumn.GenWithStackByArgs("length 8 is less than origin 10, and tidb_enable_change_column_type is false")}, {"varchar(10)", "varchar(11)", nil}, {"varchar(10) character set utf8 collate utf8_bin", "varchar(10) character set utf8", nil}, {"decimal(2,1)", "decimal(3,2)", errUnsupportedModifyColumn.GenWithStackByArgs("decimal change from decimal(2, 1) to decimal(3, 2), and tidb_enable_change_column_type is false")}, diff --git a/ddl/db_change_test.go b/ddl/db_change_test.go index 516564d719ad7..1e34778dadea8 100644 --- a/ddl/db_change_test.go +++ b/ddl/db_change_test.go @@ -479,10 +479,9 @@ func (s *testStateChangeSuite) TestAppendEnum(c *C) { c.Assert(err, IsNil) _, err = s.se.Execute(context.Background(), "insert into t values('a', 'A', '2018-09-19', 9)") - c.Assert(err.Error(), Equals, "[types:1265]Data truncated for column 'c2' at row 1") failAlterTableSQL1 := "alter table t change c2 c2 enum('N') DEFAULT 'N'" _, err = s.se.Execute(context.Background(), failAlterTableSQL1) - c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: the number of enum column's elements is less than the original: 2") + c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: the number of enum column's elements is less than the original: 2, and tidb_enable_change_column_type is false") failAlterTableSQL2 := "alter table t change c2 c2 int default 0" _, err = s.se.Execute(context.Background(), failAlterTableSQL2) c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: cannot modify enum type column's to type int(11)") diff --git a/ddl/db_test.go b/ddl/db_test.go index 1e1848b44fcba..5b395ebf760f4 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -3856,6 +3856,7 @@ func (s *testSerialDBSuite) TestModifyColumnNullToNotNullWithChangingVal2(c *C) failpoint.Disable("github.com/pingcap/tidb/ddl/mockInsertValueAfterCheckNull") }() + tk.MustExec("drop table if exists tt;") tk.MustExec(`create table tt (a bigint, b int, unique index idx(a));`) tk.MustExec("insert into tt values (1,1),(2,2),(3,3);") _, err := tk.Exec("alter table tt modify a int not null;") @@ -3877,6 +3878,65 @@ func (s *testSerialDBSuite) TestModifyColumnNullToNotNullWithChangingVal(c *C) { c.Assert(c2.FieldType.Tp, Equals, mysql.TypeTiny) } +func (s *testSerialDBSuite) TestModifyColumnBetweenStringTypes(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.Se.GetSessionVars().EnableChangeColumnType = true + + //varchar to varchar + tk.MustExec("drop table if exists tt;") + tk.MustExec("create table tt (a varchar(10));") + tk.MustExec("insert into tt values ('111'),('10000');") + tk.MustExec("alter table tt change a a varchar(5);") + c2 := getModifyColumn(c, s.s.(sessionctx.Context), "test", "tt", "a", false) + c.Assert(c2.FieldType.Flen, Equals, 5) + tk.MustQuery("select * from tt").Check(testkit.Rows("111", "10000")) + tk.MustGetErrMsg("alter table tt change a a varchar(4);", "[types:1406]Data Too Long, field len 4, data len 5") + tk.MustExec("alter table tt change a a varchar(100);") + + // varchar to char + tk.MustExec("alter table tt change a a char(10);") + c2 = getModifyColumn(c, s.s.(sessionctx.Context), "test", "tt", "a", false) + c.Assert(c2.FieldType.Tp, Equals, mysql.TypeString) + c.Assert(c2.FieldType.Flen, Equals, 10) + tk.MustQuery("select * from tt").Check(testkit.Rows("111", "10000")) + tk.MustGetErrMsg("alter table tt change a a char(4);", "[types:1406]Data Too Long, field len 4, data len 5") + + // char to text + tk.MustExec("alter table tt change a a text;") + c2 = getModifyColumn(c, s.s.(sessionctx.Context), "test", "tt", "a", false) + c.Assert(c2.FieldType.Tp, Equals, mysql.TypeBlob) + + // text to set + tk.MustGetErrMsg("alter table tt change a a set('111', '2222');", "[types:1265]Data truncated for column 'a', value is 'KindBytes 10000'") + tk.MustExec("alter table tt change a a set('111', '10000');") + c2 = getModifyColumn(c, s.s.(sessionctx.Context), "test", "tt", "a", false) + c.Assert(c2.FieldType.Tp, Equals, mysql.TypeSet) + tk.MustQuery("select * from tt").Check(testkit.Rows("111", "10000")) + + // set to set + tk.MustExec("alter table tt change a a set('10000', '111');") + c2 = getModifyColumn(c, s.s.(sessionctx.Context), "test", "tt", "a", false) + c.Assert(c2.FieldType.Tp, Equals, mysql.TypeSet) + tk.MustQuery("select * from tt").Check(testkit.Rows("111", "10000")) + + // set to enum + tk.MustGetErrMsg("alter table tt change a a enum('111', '2222');", "[types:1265]Data truncated for column 'a', value is 'KindMysqlSet 10000'") + tk.MustExec("alter table tt change a a enum('111', '10000');") + c2 = getModifyColumn(c, s.s.(sessionctx.Context), "test", "tt", "a", false) + c.Assert(c2.FieldType.Tp, Equals, mysql.TypeEnum) + tk.MustQuery("select * from tt").Check(testkit.Rows("111", "10000")) + tk.MustExec("alter table tt change a a enum('10000', '111');") + tk.MustQuery("select * from tt where a = 1").Check(testkit.Rows("10000")) + tk.MustQuery("select * from tt where a = 2").Check(testkit.Rows("111")) + + // no-strict mode + tk.MustExec(`set @@sql_mode="";`) + tk.MustExec("alter table tt change a a enum('111', '2222');") + tk.MustQuery("show warnings").Check(testutil.RowsWithSep("|", "Warning|1265|Data truncated for column 'a', value is 'KindMysqlEnum 10000'")) + + tk.MustExec("drop table tt;") +} + func getModifyColumn(c *C, ctx sessionctx.Context, db, tbl, colName string, allColumn bool) *table.Column { t := testGetTableByName(c, ctx, db, tbl) colName = strings.ToLower(colName) diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index d19d031f50932..8e79ab790ad13 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -3336,20 +3336,23 @@ func checkModifyCharsetAndCollation(toCharset, toCollate, origCharset, origColla // field length and precision. func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (allowedChangeColumnValueMsg string, err error) { unsupportedMsg := fmt.Sprintf("type %v not match origin %v", to.CompactStr(), origin.CompactStr()) - var isIntType bool + var canChange bool switch origin.Tp { - case mysql.TypeVarchar, mysql.TypeString, mysql.TypeVarString, - mysql.TypeBlob, mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob: + case mysql.TypeVarchar, mysql.TypeString, mysql.TypeVarString, mysql.TypeBlob, + mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob: switch to.Tp { case mysql.TypeVarchar, mysql.TypeString, mysql.TypeVarString, mysql.TypeBlob, mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob: + canChange = true + case mysql.TypeEnum, mysql.TypeSet: + return unsupportedMsg, errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) default: return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) } case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: switch to.Tp { case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: - isIntType = true + canChange = true default: return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) } @@ -3360,21 +3363,27 @@ func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (al } else { typeVar = "set" } - if origin.Tp != to.Tp { + switch to.Tp { + case mysql.TypeEnum, mysql.TypeSet: + if len(to.Elems) < len(origin.Elems) { + msg := fmt.Sprintf("the number of %s column's elements is less than the original: %d", typeVar, len(origin.Elems)) + return msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) + } + for index, originElem := range origin.Elems { + toElem := to.Elems[index] + if originElem != toElem { + msg := fmt.Sprintf("cannot modify %s column value %s to %s", typeVar, originElem, toElem) + return msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) + } + } + case mysql.TypeVarchar, mysql.TypeString, mysql.TypeVarString, + mysql.TypeBlob, mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob: + msg := fmt.Sprintf("cannot modify %s type column's to type %s", typeVar, to.String()) + return msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) + default: msg := fmt.Sprintf("cannot modify %s type column's to type %s", typeVar, to.String()) return "", errUnsupportedModifyColumn.GenWithStackByArgs(msg) } - if len(to.Elems) < len(origin.Elems) { - msg := fmt.Sprintf("the number of %s column's elements is less than the original: %d", typeVar, len(origin.Elems)) - return "", errUnsupportedModifyColumn.GenWithStackByArgs(msg) - } - for index, originElem := range origin.Elems { - toElem := to.Elems[index] - if originElem != toElem { - msg := fmt.Sprintf("cannot modify %s column value %s to %s", typeVar, originElem, toElem) - return "", errUnsupportedModifyColumn.GenWithStackByArgs(msg) - } - } case mysql.TypeNewDecimal: if origin.Tp != to.Tp { return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) @@ -3394,7 +3403,7 @@ func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (al if to.Flen > 0 && to.Flen < origin.Flen { msg := fmt.Sprintf("length %d is less than origin %d", to.Flen, origin.Flen) - if isIntType { + if canChange { return msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) } return "", errUnsupportedModifyColumn.GenWithStackByArgs(msg) @@ -3408,7 +3417,7 @@ func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (al originUnsigned := mysql.HasUnsignedFlag(origin.Flag) if originUnsigned != toUnsigned { msg := fmt.Sprintf("can't change unsigned integer to signed or vice versa") - if isIntType { + if canChange { return msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) } return "", errUnsupportedModifyColumn.GenWithStackByArgs(msg) diff --git a/expression/integration_test.go b/expression/integration_test.go index a17ebac430338..3027557fb16e8 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7482,7 +7482,8 @@ func (s *testIntegrationSerialSuite) TestIssue19804(c *C) { tk.MustExec(`drop table if exists t;`) tk.MustExec(`create table t(a set('a', 'b', 'c'));`) tk.MustExec(`alter table t change a a set('a', 'b', 'c', 'd');`) - tk.MustGetErrMsg(`alter table t change a a set('a', 'b', 'c', 'e', 'f');`, "[ddl:8200]Unsupported modify column: cannot modify set column value d to e") + tk.MustExec(`insert into t values('d');`) + tk.MustGetErrMsg(`alter table t change a a set('a', 'b', 'c', 'e', 'f');`, "[ddl:8200]Unsupported modify column: cannot modify set column value d to e, and tidb_enable_change_column_type is false") } func (s *testIntegrationSerialSuite) TestIssue18949(c *C) { From c808997d25596a63e82616143c82e30fdbdd28da Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Fri, 16 Oct 2020 14:25:57 +0800 Subject: [PATCH 0038/1021] store, util: adapt scandetailv2 in coprocessor response (#20391) --- distsql/select_result.go | 6 +- executor/slow_query.go | 144 ++++++++++++--------- executor/slow_query_test.go | 3 +- infoschema/tables.go | 15 +++ infoschema/tables_test.go | 5 +- sessionctx/stmtctx/stmtctx.go | 12 +- sessionctx/variable/session_test.go | 16 ++- store/tikv/coprocessor.go | 28 +++- util/execdetails/execdetails.go | 73 +++++++++-- util/execdetails/execdetails_test.go | 26 ++-- util/stmtsummary/statement_summary.go | 77 ++++++++--- util/stmtsummary/statement_summary_test.go | 62 ++++++--- 12 files changed, 333 insertions(+), 134 deletions(-) diff --git a/distsql/select_result.go b/distsql/select_result.go index 56c1b8d0f635b..41ca509559b30 100644 --- a/distsql/select_result.go +++ b/distsql/select_result.go @@ -340,7 +340,11 @@ type selectResultRuntimeStats struct { func (s *selectResultRuntimeStats) mergeCopRuntimeStats(copStats *tikv.CopRuntimeStats, respTime time.Duration) { s.copRespTime = append(s.copRespTime, respTime) - s.procKeys = append(s.procKeys, copStats.ProcessedKeys) + if copStats.CopDetail != nil { + s.procKeys = append(s.procKeys, copStats.CopDetail.ProcessedKeys) + } else { + s.procKeys = append(s.procKeys, 0) + } for k, v := range copStats.BackoffSleep { s.backoffSleep[k] += v diff --git a/executor/slow_query.go b/executor/slow_query.go index 3c41b5f136593..e4cf1514bc3fd 100755 --- a/executor/slow_query.go +++ b/executor/slow_query.go @@ -431,68 +431,73 @@ func (e *slowQueryRetriever) parseLog(ctx sessionctx.Context, log []string, offs } type slowQueryTuple struct { - time types.Time - txnStartTs uint64 - user string - host string - connID uint64 - execRetryCount uint64 - execRetryTime float64 - queryTime float64 - parseTime float64 - compileTime float64 - rewriteTime float64 - preprocSubqueries uint64 - preprocSubQueryTime float64 - optimizeTime float64 - waitTSTime float64 - preWriteTime float64 - waitPrewriteBinlogTime float64 - commitTime float64 - getCommitTSTime float64 - commitBackoffTime float64 - backoffTypes string - resolveLockTime float64 - localLatchWaitTime float64 - writeKeys uint64 - writeSize uint64 - prewriteRegion uint64 - txnRetry uint64 - copTime float64 - processTime float64 - waitTime float64 - backOffTime float64 - lockKeysTime float64 - requestCount uint64 - totalKeys uint64 - processKeys uint64 - db string - indexIDs string - digest string - statsInfo string - avgProcessTime float64 - p90ProcessTime float64 - maxProcessTime float64 - maxProcessAddress string - avgWaitTime float64 - p90WaitTime float64 - maxWaitTime float64 - maxWaitAddress string - memMax int64 - diskMax int64 - prevStmt string - sql string - isInternal bool - succ bool - planFromCache bool - prepared bool - kvTotal float64 - pdTotal float64 - backoffTotal float64 - writeSQLRespTotal float64 - plan string - planDigest string - backoffDetail string + time types.Time + txnStartTs uint64 + user string + host string + connID uint64 + execRetryCount uint64 + execRetryTime float64 + queryTime float64 + parseTime float64 + compileTime float64 + rewriteTime float64 + preprocSubqueries uint64 + preprocSubQueryTime float64 + optimizeTime float64 + waitTSTime float64 + preWriteTime float64 + waitPrewriteBinlogTime float64 + commitTime float64 + getCommitTSTime float64 + commitBackoffTime float64 + backoffTypes string + resolveLockTime float64 + localLatchWaitTime float64 + writeKeys uint64 + writeSize uint64 + prewriteRegion uint64 + txnRetry uint64 + copTime float64 + processTime float64 + waitTime float64 + backOffTime float64 + lockKeysTime float64 + requestCount uint64 + totalKeys uint64 + processKeys uint64 + db string + indexIDs string + digest string + statsInfo string + avgProcessTime float64 + p90ProcessTime float64 + maxProcessTime float64 + maxProcessAddress string + avgWaitTime float64 + p90WaitTime float64 + maxWaitTime float64 + maxWaitAddress string + memMax int64 + diskMax int64 + prevStmt string + sql string + isInternal bool + succ bool + planFromCache bool + prepared bool + kvTotal float64 + pdTotal float64 + backoffTotal float64 + writeSQLRespTotal float64 + plan string + planDigest string + backoffDetail string + rocksdbDeleteSkippedCount uint64 + rocksdbKeySkippedCount uint64 + rocksdbBlockCacheCount uint64 + rocksdbBlockReadCount uint64 + rocksdbBlockReadByte uint64 } func (st *slowQueryTuple) setFieldValue(tz *time.Location, field, value string, lineNum int, checker *slowLogChecker) (valid bool, err error) { @@ -596,6 +601,16 @@ func (st *slowQueryTuple) setFieldValue(tz *time.Location, field, value string, st.totalKeys, err = strconv.ParseUint(value, 10, 64) case execdetails.ProcessKeysStr: st.processKeys, err = strconv.ParseUint(value, 10, 64) + case execdetails.RocksdbDeleteSkippedCountStr: + st.rocksdbDeleteSkippedCount, err = strconv.ParseUint(value, 10, 64) + case execdetails.RocksdbKeySkippedCountStr: + st.rocksdbKeySkippedCount, err = strconv.ParseUint(value, 10, 64) + case execdetails.RocksdbBlockCacheHitCountStr: + st.rocksdbBlockCacheCount, err = strconv.ParseUint(value, 10, 64) + case execdetails.RocksdbBlockReadCountStr: + st.rocksdbBlockReadCount, err = strconv.ParseUint(value, 10, 64) + case execdetails.RocksdbBlockReadByteStr: + st.rocksdbBlockReadByte, err = strconv.ParseUint(value, 10, 64) case variable.SlowLogDBStr: st.db = value case variable.SlowLogIndexNamesStr: @@ -702,6 +717,11 @@ func (st *slowQueryTuple) convertToDatumRow() []types.Datum { record = append(record, types.NewUintDatum(st.requestCount)) record = append(record, types.NewUintDatum(st.totalKeys)) record = append(record, types.NewUintDatum(st.processKeys)) + record = append(record, types.NewUintDatum(st.rocksdbDeleteSkippedCount)) + record = append(record, types.NewUintDatum(st.rocksdbKeySkippedCount)) + record = append(record, types.NewUintDatum(st.rocksdbBlockCacheCount)) + record = append(record, types.NewUintDatum(st.rocksdbBlockReadCount)) + record = append(record, types.NewUintDatum(st.rocksdbBlockReadByte)) record = append(record, types.NewStringDatum(st.db)) record = append(record, types.NewStringDatum(st.indexIDs)) record = append(record, types.NewDatum(st.isInternal)) diff --git a/executor/slow_query_test.go b/executor/slow_query_test.go index 7698531fd8aaf..44318e2ecc1c5 100644 --- a/executor/slow_query_test.go +++ b/executor/slow_query_test.go @@ -95,6 +95,7 @@ func (s *testExecSuite) TestParseSlowLogFile(c *C) { # Exec_retry_time: 0.12 Exec_retry_count: 57 # Query_time: 0.216905 # Cop_time: 0.38 Process_time: 0.021 Request_count: 1 Total_keys: 637 Processed_keys: 436 +# Rocksdb_delete_skipped_count: 10 Rocksdb_key_skipped_count: 10 Rocksdb_block_cache_hit_count: 10 Rocksdb_block_read_count: 10 Rocksdb_block_read_byte: 100 # Is_internal: true # Digest: 42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772 # Stats: t1:1,t2:2 @@ -130,7 +131,7 @@ select * from t;` } expectRecordString := `2019-04-28 15:24:04.309074,` + `405888132465033227,root,localhost,0,57,0.12,0.216905,` + - `0,0,0,0,0,0,0,0,0,0,0,0,,0,0,0,0,0,0,0.38,0.021,0,0,0,1,637,0,,,1,42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772,t1:1,t2:2,` + + `0,0,0,0,0,0,0,0,0,0,0,0,,0,0,0,0,0,0,0.38,0.021,0,0,0,1,637,0,10,10,10,10,100,,,1,42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772,t1:1,t2:2,` + `0.1,0.2,0.03,127.0.0.1:20160,0.05,0.6,0.8,0.0.0.0:20160,70724,65536,0,0,0,0,` + `Cop_backoff_regionMiss_total_times: 200 Cop_backoff_regionMiss_total_time: 0.2 Cop_backoff_regionMiss_max_time: 0.2 Cop_backoff_regionMiss_max_addr: 127.0.0.1 Cop_backoff_regionMiss_avg_time: 0.2 Cop_backoff_regionMiss_p90_time: 0.2 Cop_backoff_rpcPD_total_times: 200 Cop_backoff_rpcPD_total_time: 0.2 Cop_backoff_rpcPD_max_time: 0.2 Cop_backoff_rpcPD_max_addr: 127.0.0.1 Cop_backoff_rpcPD_avg_time: 0.2 Cop_backoff_rpcPD_p90_time: 0.2 Cop_backoff_rpcTiKV_total_times: 200 Cop_backoff_rpcTiKV_total_time: 0.2 Cop_backoff_rpcTiKV_max_time: 0.2 Cop_backoff_rpcTiKV_max_addr: 127.0.0.1 Cop_backoff_rpcTiKV_avg_time: 0.2 Cop_backoff_rpcTiKV_p90_time: 0.2,` + `0,0,1,,60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4,` + diff --git a/infoschema/tables.go b/infoschema/tables.go index 760a8f4fceb6a..70966c1dbdb10 100644 --- a/infoschema/tables.go +++ b/infoschema/tables.go @@ -750,6 +750,11 @@ var slowQueryCols = []columnInfo{ {name: execdetails.RequestCountStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag}, {name: execdetails.TotalKeysStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag}, {name: execdetails.ProcessKeysStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag}, + {name: execdetails.RocksdbDeleteSkippedCountStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag}, + {name: execdetails.RocksdbKeySkippedCountStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag}, + {name: execdetails.RocksdbBlockCacheHitCountStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag}, + {name: execdetails.RocksdbBlockReadCountStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag}, + {name: execdetails.RocksdbBlockReadByteStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag}, {name: variable.SlowLogDBStr, tp: mysql.TypeVarchar, size: 64}, {name: variable.SlowLogIndexNamesStr, tp: mysql.TypeVarchar, size: 100}, {name: variable.SlowLogIsInternalStr, tp: mysql.TypeTiny, size: 1}, @@ -1098,6 +1103,16 @@ var tableStatementsSummaryCols = []columnInfo{ {name: "MAX_TOTAL_KEYS", tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max number of scanned keys"}, {name: "AVG_PROCESSED_KEYS", tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average number of processed keys"}, {name: "MAX_PROCESSED_KEYS", tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max number of processed keys"}, + {name: "AVG_ROCKSDB_DELETE_SKIPPED_COUNT", tp: mysql.TypeDouble, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average number of rocksdb delete skipped count"}, + {name: "MAX_ROCKSDB_DELETE_SKIPPED_COUNT", tp: mysql.TypeLong, size: 11, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max number of rocksdb delete skipped count"}, + {name: "AVG_ROCKSDB_KEY_SKIPPED_COUNT", tp: mysql.TypeDouble, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average number of rocksdb key skipped count"}, + {name: "MAX_ROCKSDB_KEY_SKIPPED_COUNT", tp: mysql.TypeLong, size: 11, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max number of rocksdb key skipped count"}, + {name: "AVG_ROCKSDB_BLOCK_CACHE_HIT_COUNT", tp: mysql.TypeDouble, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average number of rocksdb block cache hit count"}, + {name: "MAX_ROCKSDB_BLOCK_CACHE_HIT_COUNT", tp: mysql.TypeLong, size: 11, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max number of rocksdb block cache hit count"}, + {name: "AVG_ROCKSDB_BLOCK_READ_COUNT", tp: mysql.TypeDouble, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average number of rocksdb block read count"}, + {name: "MAX_ROCKSDB_BLOCK_READ_COUNT", tp: mysql.TypeLong, size: 11, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max number of rocksdb block read count"}, + {name: "AVG_ROCKSDB_BLOCK_READ_BYTE", tp: mysql.TypeDouble, size: 22, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average number of rocksdb block read byte"}, + {name: "MAX_ROCKSDB_BLOCK_READ_BYTE", tp: mysql.TypeLong, size: 11, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max number of rocksdb block read byte"}, {name: "AVG_PREWRITE_TIME", tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average time of prewrite phase"}, {name: "MAX_PREWRITE_TIME", tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Max time of prewrite phase"}, {name: "AVG_COMMIT_TIME", tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag | mysql.UnsignedFlag, comment: "Average time of commit phase"}, diff --git a/infoschema/tables_test.go b/infoschema/tables_test.go index 2ae5524d3b7c6..11970090d8f75 100644 --- a/infoschema/tables_test.go +++ b/infoschema/tables_test.go @@ -555,6 +555,7 @@ func prepareSlowLogfile(c *C, slowLogFileName string) { # Wait_TS: 0.000000003 # LockKeys_time: 1.71 Request_count: 1 Prewrite_time: 0.19 Wait_prewrite_binlog_time: 0.21 Commit_time: 0.01 Commit_backoff_time: 0.18 Backoff_types: [txnLock] Resolve_lock_time: 0.03 Write_keys: 15 Write_size: 480 Prewrite_region: 1 Txn_retry: 8 # Cop_time: 0.3824278 Process_time: 0.161 Request_count: 1 Total_keys: 100001 Process_keys: 100000 +# Rocksdb_delete_skipped_count: 100 Rocksdb_key_skipped_count: 10 Rocksdb_block_cache_hit_count: 10 Rocksdb_block_read_count: 10 Rocksdb_block_read_byte: 100 # Wait_time: 0.101 # Backoff_time: 0.092 # DB: test @@ -637,10 +638,10 @@ func (s *testTableSuite) TestSlowQuery(c *C) { tk.MustExec("set time_zone = '+08:00';") re := tk.MustQuery("select * from information_schema.slow_query") re.Check(testutil.RowsWithSep("|", - "2019-02-12 19:33:56.571953|406315658548871171|root|localhost|6|57|0.12|4.895492|0.4|0.2|0.000000003|2|0.000000002|0.00000001|0.000000003|0.19|0.21|0.01|0|0.18|[txnLock]|0.03|0|15|480|1|8|0.3824278|0.161|0.101|0.092|1.71|1|100001|100000|test||0|42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772|t1:1,t2:2|0.1|0.2|0.03|127.0.0.1:20160|0.05|0.6|0.8|0.0.0.0:20160|70724|65536|0|0|0|0||0|1|1|abcd|60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4|update t set i = 2;|select * from t_slim;")) + "2019-02-12 19:33:56.571953|406315658548871171|root|localhost|6|57|0.12|4.895492|0.4|0.2|0.000000003|2|0.000000002|0.00000001|0.000000003|0.19|0.21|0.01|0|0.18|[txnLock]|0.03|0|15|480|1|8|0.3824278|0.161|0.101|0.092|1.71|1|100001|100000|100|10|10|10|100|test||0|42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772|t1:1,t2:2|0.1|0.2|0.03|127.0.0.1:20160|0.05|0.6|0.8|0.0.0.0:20160|70724|65536|0|0|0|0||0|1|1|abcd|60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4|update t set i = 2;|select * from t_slim;")) tk.MustExec("set time_zone = '+00:00';") re = tk.MustQuery("select * from information_schema.slow_query") - re.Check(testutil.RowsWithSep("|", "2019-02-12 11:33:56.571953|406315658548871171|root|localhost|6|57|0.12|4.895492|0.4|0.2|0.000000003|2|0.000000002|0.00000001|0.000000003|0.19|0.21|0.01|0|0.18|[txnLock]|0.03|0|15|480|1|8|0.3824278|0.161|0.101|0.092|1.71|1|100001|100000|test||0|42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772|t1:1,t2:2|0.1|0.2|0.03|127.0.0.1:20160|0.05|0.6|0.8|0.0.0.0:20160|70724|65536|0|0|0|0||0|1|1|abcd|60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4|update t set i = 2;|select * from t_slim;")) + re.Check(testutil.RowsWithSep("|", "2019-02-12 11:33:56.571953|406315658548871171|root|localhost|6|57|0.12|4.895492|0.4|0.2|0.000000003|2|0.000000002|0.00000001|0.000000003|0.19|0.21|0.01|0|0.18|[txnLock]|0.03|0|15|480|1|8|0.3824278|0.161|0.101|0.092|1.71|1|100001|100000|100|10|10|10|100|test||0|42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772|t1:1,t2:2|0.1|0.2|0.03|127.0.0.1:20160|0.05|0.6|0.8|0.0.0.0:20160|70724|65536|0|0|0|0||0|1|1|abcd|60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4|update t set i = 2;|select * from t_slim;")) // Test for long query. f, err := os.OpenFile(slowLogFileName, os.O_CREATE|os.O_WRONLY, 0644) diff --git a/sessionctx/stmtctx/stmtctx.go b/sessionctx/stmtctx/stmtctx.go index f11c62dacafc9..335752b8d29c9 100644 --- a/sessionctx/stmtctx/stmtctx.go +++ b/sessionctx/stmtctx/stmtctx.go @@ -497,14 +497,22 @@ func (sc *StatementContext) MergeExecDetails(details *execdetails.ExecDetails, c sc.mu.execDetails.WaitTime += details.WaitTime sc.mu.execDetails.BackoffTime += details.BackoffTime sc.mu.execDetails.RequestCount++ - sc.mu.execDetails.TotalKeys += details.TotalKeys - sc.mu.execDetails.ProcessedKeys += details.ProcessedKeys + sc.MergeCopDetails(details.CopDetail) sc.mu.allExecDetails = append(sc.mu.allExecDetails, details) } sc.mu.execDetails.CommitDetail = commitDetails sc.mu.Unlock() } +// MergeCopDetails merges cop details into self. +func (sc *StatementContext) MergeCopDetails(copDetails *execdetails.CopDetails) { + if sc.mu.execDetails.CopDetail == nil { + sc.mu.execDetails.CopDetail = copDetails + } else { + sc.mu.execDetails.CopDetail.Merge(copDetails) + } +} + // MergeLockKeysExecDetails merges lock keys execution details into self. func (sc *StatementContext) MergeLockKeysExecDetails(lockKeys *execdetails.LockKeysDetails) { sc.mu.Lock() diff --git a/sessionctx/variable/session_test.go b/sessionctx/variable/session_test.go index 7ab9927005305..eb12f6d6b9e1d 100644 --- a/sessionctx/variable/session_test.go +++ b/sessionctx/variable/session_test.go @@ -136,12 +136,14 @@ func (*testSessionSuite) TestSlowLogFormat(c *C) { txnTS := uint64(406649736972468225) costTime := time.Second execDetail := execdetails.ExecDetails{ - ProcessTime: time.Second * time.Duration(2), - WaitTime: time.Minute, - BackoffTime: time.Millisecond, - RequestCount: 2, - TotalKeys: 10000, - ProcessedKeys: 20001, + ProcessTime: time.Second * time.Duration(2), + WaitTime: time.Minute, + BackoffTime: time.Millisecond, + RequestCount: 2, + CopDetail: &execdetails.CopDetails{ + ProcessedKeys: 20001, + TotalKeys: 10000, + }, } statsInfos := make(map[string]uint64) statsInfos["t1"] = 0 @@ -185,7 +187,7 @@ func (*testSessionSuite) TestSlowLogFormat(c *C) { # Rewrite_time: 0.000000003 Preproc_subqueries: 2 Preproc_subqueries_time: 0.000000002 # Optimize_time: 0.00000001 # Wait_TS: 0.000000003 -# Process_time: 2 Wait_time: 60 Backoff_time: 0.001 Request_count: 2 Total_keys: 10000 Process_keys: 20001 +# Process_time: 2 Wait_time: 60 Backoff_time: 0.001 Request_count: 2 Process_keys: 20001 Total_keys: 10000 # DB: test # Index_names: [t1:a,t2:b] # Is_internal: true diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go index e730cdf43cc85..9cd15772f9911 100644 --- a/store/tikv/coprocessor.go +++ b/store/tikv/coprocessor.go @@ -981,6 +981,15 @@ func (worker *copIteratorWorker) logTimeCopTask(costTime time.Duration, task *co logStr = appendScanDetail(logStr, "data", detail.ScanDetail.Data) logStr = appendScanDetail(logStr, "lock", detail.ScanDetail.Lock) } + if detail.ScanDetailV2 != nil { + logStr += fmt.Sprintf(" processed versions: %d", detail.ScanDetailV2.ProcessedVersions) + logStr += fmt.Sprintf(" total versions: %d", detail.ScanDetailV2.TotalVersions) + logStr += fmt.Sprintf(" delete skipped count: %d", detail.ScanDetailV2.RocksdbDeleteSkippedCount) + logStr += fmt.Sprintf(" key skipped count: %d", detail.ScanDetailV2.RocksdbKeySkippedCount) + logStr += fmt.Sprintf(" cache hit count: %d", detail.ScanDetailV2.RocksdbBlockCacheHitCount) + logStr += fmt.Sprintf(" read count: %d", detail.ScanDetailV2.RocksdbBlockReadCount) + logStr += fmt.Sprintf(" read byte: %d", detail.ScanDetailV2.RocksdbBlockReadByte) + } } if waitMs > minLogKVWaitTime { logStr += fmt.Sprintf(" kv_wait_ms:%d", waitMs) @@ -1108,10 +1117,23 @@ func (worker *copIteratorWorker) handleCopResponse(bo *Backoffer, rpcCtx *RPCCon resp.detail.WaitTime = time.Duration(handleTime.WaitMs) * time.Millisecond resp.detail.ProcessTime = time.Duration(handleTime.ProcessMs) * time.Millisecond } - if scanDetail := pbDetails.ScanDetail; scanDetail != nil { + if scanDetailV2 := pbDetails.ScanDetailV2; scanDetailV2 != nil { + copDetail := &execdetails.CopDetails{ + ProcessedKeys: int64(scanDetailV2.ProcessedVersions), + TotalKeys: int64(scanDetailV2.TotalVersions), + RocksdbDeleteSkippedCount: scanDetailV2.RocksdbDeleteSkippedCount, + RocksdbKeySkippedCount: scanDetailV2.RocksdbKeySkippedCount, + RocksdbBlockCacheHitCount: scanDetailV2.RocksdbBlockCacheHitCount, + RocksdbBlockReadCount: scanDetailV2.RocksdbBlockReadCount, + RocksdbBlockReadByte: scanDetailV2.RocksdbBlockReadByte, + } + resp.detail.CopDetail = copDetail + } else if scanDetail := pbDetails.ScanDetail; scanDetail != nil { if scanDetail.Write != nil { - resp.detail.TotalKeys += scanDetail.Write.Total - resp.detail.ProcessedKeys += scanDetail.Write.Processed + resp.detail.CopDetail = &execdetails.CopDetails{ + ProcessedKeys: scanDetail.Write.Processed, + TotalKeys: scanDetail.Write.Total, + } } } } diff --git a/util/execdetails/execdetails.go b/util/execdetails/execdetails.go index 7ebe67f3890ea..b6f48d1a3d874 100644 --- a/util/execdetails/execdetails.go +++ b/util/execdetails/execdetails.go @@ -49,10 +49,9 @@ type ExecDetails struct { BackoffSleep map[string]time.Duration BackoffTimes map[string]int RequestCount int - TotalKeys int64 - ProcessedKeys int64 CommitDetail *CommitDetails LockKeysDetail *LockKeysDetails + CopDetail *CopDetails } type stmtExecDetailKeyType struct{} @@ -168,6 +167,28 @@ func (ld *LockKeysDetails) Clone() *LockKeysDetails { return lock } +// CopDetails contains coprocessor detail information. +type CopDetails struct { + TotalKeys int64 + ProcessedKeys int64 + RocksdbDeleteSkippedCount uint64 + RocksdbKeySkippedCount uint64 + RocksdbBlockCacheHitCount uint64 + RocksdbBlockReadCount uint64 + RocksdbBlockReadByte uint64 +} + +// Merge merges lock keys execution details into self. +func (cd *CopDetails) Merge(copDetails *CopDetails) { + cd.TotalKeys += copDetails.TotalKeys + cd.ProcessedKeys += copDetails.ProcessedKeys + cd.RocksdbDeleteSkippedCount += copDetails.RocksdbDeleteSkippedCount + cd.RocksdbKeySkippedCount += copDetails.RocksdbKeySkippedCount + cd.RocksdbBlockCacheHitCount += copDetails.RocksdbBlockCacheHitCount + cd.RocksdbBlockReadCount += copDetails.RocksdbBlockReadCount + cd.RocksdbBlockReadByte += copDetails.RocksdbBlockReadByte +} + const ( // CopTimeStr represents the sum of cop-task time spend in TiDB distSQL. CopTimeStr = "Cop_time" @@ -209,6 +230,16 @@ const ( PrewriteRegionStr = "Prewrite_region" // TxnRetryStr means the count of transaction retry. TxnRetryStr = "Txn_retry" + // RocksdbDeleteSkippedCountStr means the count of rocksdb delete skipped count. + RocksdbDeleteSkippedCountStr = "Rocksdb_delete_skipped_count" + // RocksdbKeySkippedCountStr means the count of rocksdb key skipped count. + RocksdbKeySkippedCountStr = "Rocksdb_key_skipped_count" + // RocksdbBlockCacheHitCountStr means the count of rocksdb block cache hit. + RocksdbBlockCacheHitCountStr = "Rocksdb_block_cache_hit_count" + // RocksdbBlockReadCountStr means the count of rocksdb block read. + RocksdbBlockReadCountStr = "Rocksdb_block_read_count" + // RocksdbBlockReadByteStr means the bytes of rocksdb block read. + RocksdbBlockReadByteStr = "Rocksdb_block_read_byte" ) // String implements the fmt.Stringer interface. @@ -232,12 +263,6 @@ func (d ExecDetails) String() string { if d.RequestCount > 0 { parts = append(parts, RequestCountStr+": "+strconv.FormatInt(int64(d.RequestCount), 10)) } - if d.TotalKeys > 0 { - parts = append(parts, TotalKeysStr+": "+strconv.FormatInt(d.TotalKeys, 10)) - } - if d.ProcessedKeys > 0 { - parts = append(parts, ProcessKeysStr+": "+strconv.FormatInt(d.ProcessedKeys, 10)) - } commitDetails := d.CommitDetail if commitDetails != nil { if commitDetails.PrewriteTime > 0 { @@ -282,6 +307,30 @@ func (d ExecDetails) String() string { parts = append(parts, TxnRetryStr+": "+strconv.FormatInt(int64(commitDetails.TxnRetry), 10)) } } + copDetails := d.CopDetail + if copDetails != nil { + if copDetails.ProcessedKeys > 0 { + parts = append(parts, ProcessKeysStr+": "+strconv.FormatInt(copDetails.ProcessedKeys, 10)) + } + if copDetails.TotalKeys > 0 { + parts = append(parts, TotalKeysStr+": "+strconv.FormatInt(copDetails.TotalKeys, 10)) + } + if copDetails.RocksdbDeleteSkippedCount > 0 { + parts = append(parts, RocksdbDeleteSkippedCountStr+": "+strconv.FormatUint(copDetails.RocksdbDeleteSkippedCount, 10)) + } + if copDetails.RocksdbKeySkippedCount > 0 { + parts = append(parts, RocksdbKeySkippedCountStr+": "+strconv.FormatUint(copDetails.RocksdbKeySkippedCount, 10)) + } + if copDetails.RocksdbBlockCacheHitCount > 0 { + parts = append(parts, RocksdbBlockCacheHitCountStr+": "+strconv.FormatUint(copDetails.RocksdbBlockCacheHitCount, 10)) + } + if copDetails.RocksdbBlockReadCount > 0 { + parts = append(parts, RocksdbBlockReadCountStr+": "+strconv.FormatUint(copDetails.RocksdbBlockReadCount, 10)) + } + if copDetails.RocksdbBlockReadByte > 0 { + parts = append(parts, RocksdbBlockReadByteStr+": "+strconv.FormatUint(copDetails.RocksdbBlockReadByte, 10)) + } + } return strings.Join(parts, " ") } @@ -303,11 +352,11 @@ func (d ExecDetails) ToZapFields() (fields []zap.Field) { if d.RequestCount > 0 { fields = append(fields, zap.String(strings.ToLower(RequestCountStr), strconv.FormatInt(int64(d.RequestCount), 10))) } - if d.TotalKeys > 0 { - fields = append(fields, zap.String(strings.ToLower(TotalKeysStr), strconv.FormatInt(d.TotalKeys, 10))) + if d.CopDetail != nil && d.CopDetail.TotalKeys > 0 { + fields = append(fields, zap.String(strings.ToLower(TotalKeysStr), strconv.FormatInt(d.CopDetail.TotalKeys, 10))) } - if d.ProcessedKeys > 0 { - fields = append(fields, zap.String(strings.ToLower(ProcessKeysStr), strconv.FormatInt(d.ProcessedKeys, 10))) + if d.CopDetail != nil && d.CopDetail.ProcessedKeys > 0 { + fields = append(fields, zap.String(strings.ToLower(ProcessKeysStr), strconv.FormatInt(d.CopDetail.ProcessedKeys, 10))) } commitDetails := d.CommitDetail if commitDetails != nil { diff --git a/util/execdetails/execdetails_test.go b/util/execdetails/execdetails_test.go index f10589bba4f44..57a237009d8bf 100644 --- a/util/execdetails/execdetails_test.go +++ b/util/execdetails/execdetails_test.go @@ -31,13 +31,11 @@ func TestT(t *testing.T) { func TestString(t *testing.T) { detail := &ExecDetails{ - CopTime: time.Second + 3*time.Millisecond, - ProcessTime: 2*time.Second + 5*time.Millisecond, - WaitTime: time.Second, - BackoffTime: time.Second, - RequestCount: 1, - TotalKeys: 100, - ProcessedKeys: 10, + CopTime: time.Second + 3*time.Millisecond, + ProcessTime: 2*time.Second + 5*time.Millisecond, + WaitTime: time.Second, + BackoffTime: time.Second, + RequestCount: 1, CommitDetail: &CommitDetails{ GetCommitTsTime: time.Second, PrewriteTime: time.Second, @@ -61,9 +59,19 @@ func TestString(t *testing.T) { PrewriteRegionNum: 1, TxnRetry: 1, }, + CopDetail: &CopDetails{ + ProcessedKeys: 10, + TotalKeys: 100, + RocksdbDeleteSkippedCount: 1, + RocksdbKeySkippedCount: 1, + RocksdbBlockCacheHitCount: 1, + RocksdbBlockReadCount: 1, + RocksdbBlockReadByte: 100, + }, } - expected := "Cop_time: 1.003 Process_time: 2.005 Wait_time: 1 Backoff_time: 1 Request_count: 1 Total_keys: 100 Process_keys: 10 Prewrite_time: 1 Commit_time: 1 " + - "Get_commit_ts_time: 1 Commit_backoff_time: 1 Backoff_types: [backoff1 backoff2] Resolve_lock_time: 1 Local_latch_wait_time: 1 Write_keys: 1 Write_size: 1 Prewrite_region: 1 Txn_retry: 1" + expected := "Cop_time: 1.003 Process_time: 2.005 Wait_time: 1 Backoff_time: 1 Request_count: 1 Prewrite_time: 1 Commit_time: 1 " + + "Get_commit_ts_time: 1 Commit_backoff_time: 1 Backoff_types: [backoff1 backoff2] Resolve_lock_time: 1 Local_latch_wait_time: 1 Write_keys: 1 Write_size: 1 Prewrite_region: 1 Txn_retry: 1 " + + "Process_keys: 10 Total_keys: 100 Rocksdb_delete_skipped_count: 1 Rocksdb_key_skipped_count: 1 Rocksdb_block_cache_hit_count: 1 Rocksdb_block_read_count: 1 Rocksdb_block_read_byte: 100" if str := detail.String(); str != expected { t.Errorf("got:\n%s\nexpected:\n%s", str, expected) } diff --git a/util/stmtsummary/statement_summary.go b/util/stmtsummary/statement_summary.go index eefab1456156e..b7f600c1fd99e 100644 --- a/util/stmtsummary/statement_summary.go +++ b/util/stmtsummary/statement_summary.go @@ -125,16 +125,26 @@ type stmtSummaryByDigestElement struct { maxCopWaitTime time.Duration maxCopWaitAddress string // TiKV - sumProcessTime time.Duration - maxProcessTime time.Duration - sumWaitTime time.Duration - maxWaitTime time.Duration - sumBackoffTime time.Duration - maxBackoffTime time.Duration - sumTotalKeys int64 - maxTotalKeys int64 - sumProcessedKeys int64 - maxProcessedKeys int64 + sumProcessTime time.Duration + maxProcessTime time.Duration + sumWaitTime time.Duration + maxWaitTime time.Duration + sumBackoffTime time.Duration + maxBackoffTime time.Duration + sumTotalKeys int64 + maxTotalKeys int64 + sumProcessedKeys int64 + maxProcessedKeys int64 + sumRocksdbDeleteSkippedCount uint64 + maxRocksdbDeleteSkippedCount uint64 + sumRocksdbKeySkippedCount uint64 + maxRocksdbKeySkippedCount uint64 + sumRocksdbBlockCacheHitCount uint64 + maxRocksdbBlockCacheHitCount uint64 + sumRocksdbBlockReadCount uint64 + maxRocksdbBlockReadCount uint64 + sumRocksdbBlockReadByte uint64 + maxRocksdbBlockReadByte uint64 // txn commitCount int64 sumGetCommitTsTime time.Duration @@ -681,13 +691,36 @@ func (ssElement *stmtSummaryByDigestElement) add(sei *StmtExecInfo, intervalSeco if sei.ExecDetail.BackoffTime > ssElement.maxBackoffTime { ssElement.maxBackoffTime = sei.ExecDetail.BackoffTime } - ssElement.sumTotalKeys += sei.ExecDetail.TotalKeys - if sei.ExecDetail.TotalKeys > ssElement.maxTotalKeys { - ssElement.maxTotalKeys = sei.ExecDetail.TotalKeys - } - ssElement.sumProcessedKeys += sei.ExecDetail.ProcessedKeys - if sei.ExecDetail.ProcessedKeys > ssElement.maxProcessedKeys { - ssElement.maxProcessedKeys = sei.ExecDetail.ProcessedKeys + + if sei.ExecDetail.CopDetail != nil { + ssElement.sumTotalKeys += sei.ExecDetail.CopDetail.TotalKeys + if sei.ExecDetail.CopDetail.TotalKeys > ssElement.maxTotalKeys { + ssElement.maxTotalKeys = sei.ExecDetail.CopDetail.TotalKeys + } + ssElement.sumProcessedKeys += sei.ExecDetail.CopDetail.ProcessedKeys + if sei.ExecDetail.CopDetail.ProcessedKeys > ssElement.maxProcessedKeys { + ssElement.maxProcessedKeys = sei.ExecDetail.CopDetail.ProcessedKeys + } + ssElement.sumRocksdbDeleteSkippedCount += sei.ExecDetail.CopDetail.RocksdbDeleteSkippedCount + if sei.ExecDetail.CopDetail.RocksdbDeleteSkippedCount > ssElement.maxRocksdbDeleteSkippedCount { + ssElement.maxRocksdbDeleteSkippedCount = sei.ExecDetail.CopDetail.RocksdbDeleteSkippedCount + } + ssElement.sumRocksdbKeySkippedCount += sei.ExecDetail.CopDetail.RocksdbKeySkippedCount + if sei.ExecDetail.CopDetail.RocksdbKeySkippedCount > ssElement.maxRocksdbKeySkippedCount { + ssElement.maxRocksdbKeySkippedCount = sei.ExecDetail.CopDetail.RocksdbKeySkippedCount + } + ssElement.sumRocksdbBlockCacheHitCount += sei.ExecDetail.CopDetail.RocksdbBlockCacheHitCount + if sei.ExecDetail.CopDetail.RocksdbBlockCacheHitCount > ssElement.maxRocksdbBlockCacheHitCount { + ssElement.maxRocksdbBlockCacheHitCount = sei.ExecDetail.CopDetail.RocksdbBlockCacheHitCount + } + ssElement.sumRocksdbBlockReadCount += sei.ExecDetail.CopDetail.RocksdbBlockReadCount + if sei.ExecDetail.CopDetail.RocksdbBlockReadCount > ssElement.maxRocksdbBlockReadCount { + ssElement.maxRocksdbBlockReadCount = sei.ExecDetail.CopDetail.RocksdbBlockReadCount + } + ssElement.sumRocksdbBlockReadByte += sei.ExecDetail.CopDetail.RocksdbBlockReadByte + if sei.ExecDetail.CopDetail.RocksdbBlockReadByte > ssElement.maxRocksdbBlockReadByte { + ssElement.maxRocksdbBlockReadByte = sei.ExecDetail.CopDetail.RocksdbBlockReadByte + } } // txn @@ -832,6 +865,16 @@ func (ssElement *stmtSummaryByDigestElement) toDatum(ssbd *stmtSummaryByDigest) ssElement.maxTotalKeys, avgInt(ssElement.sumProcessedKeys, ssElement.execCount), ssElement.maxProcessedKeys, + avgInt(int64(ssElement.sumRocksdbDeleteSkippedCount), ssElement.execCount), + ssElement.maxRocksdbDeleteSkippedCount, + avgInt(int64(ssElement.sumRocksdbKeySkippedCount), ssElement.execCount), + ssElement.maxRocksdbKeySkippedCount, + avgInt(int64(ssElement.sumRocksdbBlockCacheHitCount), ssElement.execCount), + ssElement.maxRocksdbBlockCacheHitCount, + avgInt(int64(ssElement.sumRocksdbBlockReadCount), ssElement.execCount), + ssElement.maxRocksdbBlockReadCount, + avgInt(int64(ssElement.sumRocksdbBlockReadByte), ssElement.execCount), + ssElement.maxRocksdbBlockReadByte, avgInt(int64(ssElement.sumPrewriteTime), ssElement.commitCount), int64(ssElement.maxPrewriteTime), avgInt(int64(ssElement.sumCommitTime), ssElement.commitCount), diff --git a/util/stmtsummary/statement_summary_test.go b/util/stmtsummary/statement_summary_test.go index a1b3eb5ac6186..726683ed11dd2 100644 --- a/util/stmtsummary/statement_summary_test.go +++ b/util/stmtsummary/statement_summary_test.go @@ -100,10 +100,10 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) { maxWaitTime: stmtExecInfo1.ExecDetail.WaitTime, sumBackoffTime: stmtExecInfo1.ExecDetail.BackoffTime, maxBackoffTime: stmtExecInfo1.ExecDetail.BackoffTime, - sumTotalKeys: stmtExecInfo1.ExecDetail.TotalKeys, - maxTotalKeys: stmtExecInfo1.ExecDetail.TotalKeys, - sumProcessedKeys: stmtExecInfo1.ExecDetail.ProcessedKeys, - maxProcessedKeys: stmtExecInfo1.ExecDetail.ProcessedKeys, + sumTotalKeys: stmtExecInfo1.ExecDetail.CopDetail.TotalKeys, + maxTotalKeys: stmtExecInfo1.ExecDetail.CopDetail.TotalKeys, + sumProcessedKeys: stmtExecInfo1.ExecDetail.CopDetail.ProcessedKeys, + maxProcessedKeys: stmtExecInfo1.ExecDetail.CopDetail.ProcessedKeys, sumGetCommitTsTime: stmtExecInfo1.ExecDetail.CommitDetail.GetCommitTsTime, maxGetCommitTsTime: stmtExecInfo1.ExecDetail.CommitDetail.GetCommitTsTime, sumPrewriteTime: stmtExecInfo1.ExecDetail.CommitDetail.PrewriteTime, @@ -179,8 +179,6 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) { WaitTime: 150, BackoffTime: 180, RequestCount: 20, - TotalKeys: 6000, - ProcessedKeys: 1500, CommitDetail: &execdetails.CommitDetails{ GetCommitTsTime: 500, PrewriteTime: 50000, @@ -199,6 +197,15 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) { PrewriteRegionNum: 100, TxnRetry: 10, }, + CopDetail: &execdetails.CopDetails{ + TotalKeys: 6000, + ProcessedKeys: 1500, + RocksdbDeleteSkippedCount: 100, + RocksdbKeySkippedCount: 10, + RocksdbBlockCacheHitCount: 10, + RocksdbBlockReadCount: 10, + RocksdbBlockReadByte: 1000, + }, }, StmtCtx: &stmtctx.StatementContext{ StmtType: "Select", @@ -229,10 +236,10 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) { expectedSummaryElement.maxWaitTime = stmtExecInfo2.ExecDetail.WaitTime expectedSummaryElement.sumBackoffTime += stmtExecInfo2.ExecDetail.BackoffTime expectedSummaryElement.maxBackoffTime = stmtExecInfo2.ExecDetail.BackoffTime - expectedSummaryElement.sumTotalKeys += stmtExecInfo2.ExecDetail.TotalKeys - expectedSummaryElement.maxTotalKeys = stmtExecInfo2.ExecDetail.TotalKeys - expectedSummaryElement.sumProcessedKeys += stmtExecInfo2.ExecDetail.ProcessedKeys - expectedSummaryElement.maxProcessedKeys = stmtExecInfo2.ExecDetail.ProcessedKeys + expectedSummaryElement.sumTotalKeys += stmtExecInfo2.ExecDetail.CopDetail.TotalKeys + expectedSummaryElement.maxTotalKeys = stmtExecInfo2.ExecDetail.CopDetail.TotalKeys + expectedSummaryElement.sumProcessedKeys += stmtExecInfo2.ExecDetail.CopDetail.ProcessedKeys + expectedSummaryElement.maxProcessedKeys = stmtExecInfo2.ExecDetail.CopDetail.ProcessedKeys expectedSummaryElement.sumGetCommitTsTime += stmtExecInfo2.ExecDetail.CommitDetail.GetCommitTsTime expectedSummaryElement.maxGetCommitTsTime = stmtExecInfo2.ExecDetail.CommitDetail.GetCommitTsTime expectedSummaryElement.sumPrewriteTime += stmtExecInfo2.ExecDetail.CommitDetail.PrewriteTime @@ -297,8 +304,6 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) { WaitTime: 15, BackoffTime: 18, RequestCount: 2, - TotalKeys: 600, - ProcessedKeys: 150, CommitDetail: &execdetails.CommitDetails{ GetCommitTsTime: 50, PrewriteTime: 5000, @@ -317,6 +322,15 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) { PrewriteRegionNum: 10, TxnRetry: 1, }, + CopDetail: &execdetails.CopDetails{ + TotalKeys: 600, + ProcessedKeys: 150, + RocksdbDeleteSkippedCount: 100, + RocksdbKeySkippedCount: 10, + RocksdbBlockCacheHitCount: 10, + RocksdbBlockReadCount: 10, + RocksdbBlockReadByte: 1000, + }, }, StmtCtx: &stmtctx.StatementContext{ StmtType: "Select", @@ -338,8 +352,8 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) { expectedSummaryElement.sumProcessTime += stmtExecInfo3.ExecDetail.ProcessTime expectedSummaryElement.sumWaitTime += stmtExecInfo3.ExecDetail.WaitTime expectedSummaryElement.sumBackoffTime += stmtExecInfo3.ExecDetail.BackoffTime - expectedSummaryElement.sumTotalKeys += stmtExecInfo3.ExecDetail.TotalKeys - expectedSummaryElement.sumProcessedKeys += stmtExecInfo3.ExecDetail.ProcessedKeys + expectedSummaryElement.sumTotalKeys += stmtExecInfo3.ExecDetail.CopDetail.TotalKeys + expectedSummaryElement.sumProcessedKeys += stmtExecInfo3.ExecDetail.CopDetail.ProcessedKeys expectedSummaryElement.sumGetCommitTsTime += stmtExecInfo3.ExecDetail.CommitDetail.GetCommitTsTime expectedSummaryElement.sumPrewriteTime += stmtExecInfo3.ExecDetail.CommitDetail.PrewriteTime expectedSummaryElement.sumCommitTime += stmtExecInfo3.ExecDetail.CommitDetail.CommitTime @@ -544,8 +558,6 @@ func generateAnyExecInfo() *StmtExecInfo { WaitTime: 50, BackoffTime: 80, RequestCount: 10, - TotalKeys: 1000, - ProcessedKeys: 500, CommitDetail: &execdetails.CommitDetails{ GetCommitTsTime: 100, PrewriteTime: 10000, @@ -564,6 +576,15 @@ func generateAnyExecInfo() *StmtExecInfo { PrewriteRegionNum: 20, TxnRetry: 2, }, + CopDetail: &execdetails.CopDetails{ + TotalKeys: 1000, + ProcessedKeys: 500, + RocksdbDeleteSkippedCount: 100, + RocksdbKeySkippedCount: 10, + RocksdbBlockCacheHitCount: 10, + RocksdbBlockReadCount: 10, + RocksdbBlockReadByte: 1000, + }, }, StmtCtx: &stmtctx.StatementContext{ StmtType: "Select", @@ -601,8 +622,13 @@ func (s *testStmtSummarySuite) TestToDatum(c *C) { stmtExecInfo1.CopTasks.MaxProcessAddress, int64(stmtExecInfo1.CopTasks.MaxWaitTime), stmtExecInfo1.CopTasks.MaxWaitAddress, int64(stmtExecInfo1.ExecDetail.ProcessTime), int64(stmtExecInfo1.ExecDetail.ProcessTime), int64(stmtExecInfo1.ExecDetail.WaitTime), int64(stmtExecInfo1.ExecDetail.WaitTime), int64(stmtExecInfo1.ExecDetail.BackoffTime), - int64(stmtExecInfo1.ExecDetail.BackoffTime), stmtExecInfo1.ExecDetail.TotalKeys, stmtExecInfo1.ExecDetail.TotalKeys, - stmtExecInfo1.ExecDetail.ProcessedKeys, stmtExecInfo1.ExecDetail.ProcessedKeys, + int64(stmtExecInfo1.ExecDetail.BackoffTime), stmtExecInfo1.ExecDetail.CopDetail.TotalKeys, stmtExecInfo1.ExecDetail.CopDetail.TotalKeys, + stmtExecInfo1.ExecDetail.CopDetail.ProcessedKeys, stmtExecInfo1.ExecDetail.CopDetail.ProcessedKeys, + int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbDeleteSkippedCount), int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbDeleteSkippedCount), + int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbKeySkippedCount), int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbKeySkippedCount), + int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbBlockCacheHitCount), int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbBlockCacheHitCount), + int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbBlockReadCount), int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbBlockReadCount), + int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbBlockReadByte), int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbBlockReadByte), int64(stmtExecInfo1.ExecDetail.CommitDetail.PrewriteTime), int64(stmtExecInfo1.ExecDetail.CommitDetail.PrewriteTime), int64(stmtExecInfo1.ExecDetail.CommitDetail.CommitTime), int64(stmtExecInfo1.ExecDetail.CommitDetail.CommitTime), int64(stmtExecInfo1.ExecDetail.CommitDetail.GetCommitTsTime), int64(stmtExecInfo1.ExecDetail.CommitDetail.GetCommitTsTime), From 743a910cd9db00dbdb7a00e0178f4648f0dc9ab1 Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Fri, 16 Oct 2020 14:58:16 +0800 Subject: [PATCH 0039/1021] planner: fix the panic when the argument of agg func is scalarfunction in apply (#20485) --- expression/integration_test.go | 2 ++ planner/core/rule_decorrelate.go | 19 ++++++++++++++----- 2 files changed, 16 insertions(+), 5 deletions(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index 3027557fb16e8..0183ec261f28e 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7465,6 +7465,8 @@ func (s *testIntegrationSuite) TestIssue19504(c *C) { tk.MustExec("insert into t2 values (1);") tk.MustQuery("select (select count(c_int) from t2 where c_int = t1.c_int) c1, (select count(1) from t2 where c_int = t1.c_int) c2 from t1;"). Check(testkit.Rows("1 1", "0 0", "0 0")) + tk.MustQuery("select (select count(c_int*c_int) from t2 where c_int = t1.c_int) c1, (select count(1) from t2 where c_int = t1.c_int) c2 from t1;"). + Check(testkit.Rows("1 1", "0 0", "0 0")) } func (s *testIntegrationSerialSuite) TestIssue19804(c *C) { diff --git a/planner/core/rule_decorrelate.go b/planner/core/rule_decorrelate.go index ad28f66be5053..bf7e332c5eb33 100644 --- a/planner/core/rule_decorrelate.go +++ b/planner/core/rule_decorrelate.go @@ -189,12 +189,21 @@ func (s *decorrelateSolver) optimize(ctx context.Context, p LogicalPlan) (Logica resetNotNullFlag(apply.schema, outerPlan.Schema().Len(), apply.schema.Len()) for i, aggFunc := range agg.AggFuncs { - if idx := apply.schema.ColumnIndex(aggFunc.Args[0].(*expression.Column)); idx != -1 { - desc, err := aggregation.NewAggFuncDesc(agg.ctx, agg.AggFuncs[i].Name, []expression.Expression{apply.schema.Columns[idx]}, false) - if err != nil { - return nil, err + switch expr := aggFunc.Args[0].(type) { + case *expression.Column: + if idx := apply.schema.ColumnIndex(expr); idx != -1 { + desc, err := aggregation.NewAggFuncDesc(agg.ctx, agg.AggFuncs[i].Name, []expression.Expression{apply.schema.Columns[idx]}, false) + if err != nil { + return nil, err + } + newAggFuncs = append(newAggFuncs, desc) } - newAggFuncs = append(newAggFuncs, desc) + case *expression.ScalarFunction: + expr.RetType = expr.RetType.Clone() + expr.RetType.Flag &= ^mysql.NotNullFlag + newAggFuncs = append(newAggFuncs, aggFunc) + default: + newAggFuncs = append(newAggFuncs, aggFunc) } } agg.AggFuncs = newAggFuncs From 5db77b3068cfa5045f4d3187752d2d3798efcbdc Mon Sep 17 00:00:00 2001 From: "Zhuomin(Charming) Liu" Date: Fri, 16 Oct 2020 15:19:43 +0800 Subject: [PATCH 0040/1021] unistore: add failpoint to test copr cache in unit test (#20049) --- executor/executor_test.go | 64 +++++++++++++++++++ .../unistore/cophandler/cop_handler.go | 24 ++++++- store/tikv/kv.go | 3 + store/tikv/test_util.go | 3 +- 4 files changed, 91 insertions(+), 3 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index 1330d84830314..afd2fad4d1df6 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -132,6 +132,7 @@ var _ = Suite(&partitionTableSuite{&baseTestSuite{}}) var _ = SerialSuites(&tiflashTestSuite{}) var _ = SerialSuites(&globalIndexSuite{&baseTestSuite{}}) var _ = SerialSuites(&testSerialSuite{&baseTestSuite{}}) +var _ = SerialSuites(&testCoprCache{}) type testSuite struct{ *baseTestSuite } type testSuiteP1 struct{ *baseTestSuite } @@ -145,6 +146,11 @@ type testSlowQuery struct{ *baseTestSuite } type partitionTableSuite struct{ *baseTestSuite } type globalIndexSuite struct{ *baseTestSuite } type testSerialSuite struct{ *baseTestSuite } +type testCoprCache struct { + store kv.Storage + dom *domain.Domain + cls cluster.Cluster +} type baseTestSuite struct { cluster cluster.Cluster @@ -6472,6 +6478,64 @@ func (s *testSuite) TestIssue13758(c *C) { )) } +func (s *testCoprCache) SetUpSuite(c *C) { + originConfig := config.GetGlobalConfig() + config.StoreGlobalConfig(config.NewConfig()) + defer config.StoreGlobalConfig(originConfig) + cli := ®ionProperityClient{} + hijackClient := func(c tikv.Client) tikv.Client { + cli.Client = c + return cli + } + var err error + s.store, err = mockstore.NewMockStore( + mockstore.WithClusterInspector(func(c cluster.Cluster) { + mockstore.BootstrapWithSingleStore(c) + s.cls = c + }), + mockstore.WithClientHijacker(hijackClient), + ) + c.Assert(err, IsNil) + s.dom, err = session.BootstrapSession(s.store) + c.Assert(err, IsNil) +} + +func (s *testCoprCache) TearDownSuite(c *C) { + s.dom.Close() + s.store.Close() +} + +func (s *testCoprCache) TestIntegrationCopCache(c *C) { + originConfig := config.GetGlobalConfig() + config.StoreGlobalConfig(config.NewConfig()) + defer config.StoreGlobalConfig(originConfig) + + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int primary key)") + tblInfo, err := s.dom.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("t")) + c.Assert(err, IsNil) + tid := tblInfo.Meta().ID + tk.MustExec(`insert into t values(1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12)`) + s.cls.SplitTable(tid, 6) + + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/unistore/cophandler/mockCopCacheInUnistore", `return(123)`), IsNil) + defer func() { + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/mockstore/unistore/cophandler/mockCopCacheInUnistore"), IsNil) + }() + + rows := tk.MustQuery("explain analyze select * from t where t.a < 10").Rows() + c.Assert(rows[0][2], Equals, "9") + c.Assert(strings.Contains(rows[0][5].(string), "cop_task: {num: 5"), Equals, true) + c.Assert(strings.Contains(rows[0][5].(string), "copr_cache_hit_ratio: 0.00"), Equals, true) + + rows = tk.MustQuery("explain analyze select * from t").Rows() + c.Assert(rows[0][2], Equals, "12") + c.Assert(strings.Contains(rows[0][5].(string), "cop_task: {num: 6"), Equals, true) + c.Assert(strings.Contains(rows[0][5].(string), "copr_cache_hit_ratio: 0.67"), Equals, true) +} + func (s *testSerialSuite) TestCoprocessorOOMAction(c *C) { // Assert Coprocessor OOMAction tk := testkit.NewTestKit(c, s.store) diff --git a/store/mockstore/unistore/cophandler/cop_handler.go b/store/mockstore/unistore/cophandler/cop_handler.go index 787f3c1264ef9..89f169d6008ce 100644 --- a/store/mockstore/unistore/cophandler/cop_handler.go +++ b/store/mockstore/unistore/cophandler/cop_handler.go @@ -22,6 +22,7 @@ import ( "github.com/ngaut/unistore/lockstore" "github.com/ngaut/unistore/tikv/dbreader" "github.com/pingcap/errors" + "github.com/pingcap/failpoint" "github.com/pingcap/kvproto/pkg/coprocessor" "github.com/pingcap/kvproto/pkg/kvrpcpb" "github.com/pingcap/parser/model" @@ -64,9 +65,28 @@ type dagContext struct { } // handleCopDAGRequest handles coprocessor DAG request. -func handleCopDAGRequest(dbReader *dbreader.DBReader, lockStore *lockstore.MemStore, req *coprocessor.Request) *coprocessor.Response { +func handleCopDAGRequest(dbReader *dbreader.DBReader, lockStore *lockstore.MemStore, req *coprocessor.Request) (resp *coprocessor.Response) { startTime := time.Now() - resp := &coprocessor.Response{} + resp = &coprocessor.Response{} + failpoint.Inject("mockCopCacheInUnistore", func(cacheVersion failpoint.Value) { + if req.IsCacheEnabled { + if uint64(cacheVersion.(int)) == req.CacheIfMatchVersion { + failpoint.Return(&coprocessor.Response{IsCacheHit: true, CacheLastVersion: uint64(cacheVersion.(int))}) + } else { + defer func() { + resp.CanBeCached = true + resp.CacheLastVersion = uint64(cacheVersion.(int)) + if resp.ExecDetails == nil { + resp.ExecDetails = &kvrpcpb.ExecDetails{HandleTime: &kvrpcpb.HandleTime{ProcessMs: 500}} + } else if resp.ExecDetails.HandleTime == nil { + resp.ExecDetails.HandleTime = &kvrpcpb.HandleTime{ProcessMs: 500} + } else { + resp.ExecDetails.HandleTime.ProcessMs = 500 + } + }() + } + } + }) dagCtx, dagReq, err := buildDAG(dbReader, lockStore, req) if err != nil { resp.OtherError = err.Error() diff --git a/store/tikv/kv.go b/store/tikv/kv.go index 4950b812d304b..eb7ed37b10256 100644 --- a/store/tikv/kv.go +++ b/store/tikv/kv.go @@ -351,6 +351,9 @@ func (s *tikvStore) Close() error { s.txnLatches.Close() } s.regionCache.Close() + if s.coprCache != nil { + s.coprCache.cache.Close() + } return nil } diff --git a/store/tikv/test_util.go b/store/tikv/test_util.go index 59562755a3a63..568d3f0460a51 100644 --- a/store/tikv/test_util.go +++ b/store/tikv/test_util.go @@ -16,6 +16,7 @@ package tikv import ( "github.com/google/uuid" "github.com/pingcap/errors" + "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" "github.com/tikv/pd/client" ) @@ -34,7 +35,7 @@ func NewTestTiKVStore(client Client, pdClient pd.Client, clientHijack func(Clien // Make sure the uuid is unique. uid := uuid.New().String() spkv := NewMockSafePointKV() - tikvStore, err := newTikvStore(uid, pdCli, spkv, client, false, nil) + tikvStore, err := newTikvStore(uid, pdCli, spkv, client, false, &config.GetGlobalConfig().TiKVClient.CoprCache) if txnLocalLatches > 0 { tikvStore.EnableTxnLocalLatches(txnLocalLatches) From bdb6c49600e694236479817480049eda48dcd0ab Mon Sep 17 00:00:00 2001 From: rebelice Date: Fri, 16 Oct 2020 16:17:34 +0800 Subject: [PATCH 0041/1021] *: collect index usage information from point get and dump them to KV (#20126) --- config/config.go | 3 +- config/config.toml.example | 5 + .../2020-09-30-index-usage-information.md | 166 ++++++++++++++++++ domain/domain.go | 26 +++ executor/point_get.go | 9 + planner/core/point_get_plan.go | 5 + session/bootstrap.go | 1 - session/session.go | 15 ++ session/tidb.go | 4 +- sessionctx/context.go | 2 + statistics/handle/handle.go | 12 +- statistics/handle/handle_test.go | 35 ++++ statistics/handle/update.go | 110 ++++++++++++ util/mock/context.go | 3 + 14 files changed, 389 insertions(+), 7 deletions(-) create mode 100644 docs/design/2020-09-30-index-usage-information.md diff --git a/config/config.go b/config/config.go index bda3c05bda1d9..3472075d69ca1 100644 --- a/config/config.go +++ b/config/config.go @@ -679,7 +679,8 @@ var defaultConf = Config{ CommitterConcurrency: 16, MaxTxnTTL: 60 * 60 * 1000, // 1hour MemProfileInterval: "1m", - IndexUsageSyncLease: "60s", + // TODO: set indexUsageSyncLease to 60s. + IndexUsageSyncLease: "0s", }, ProxyProtocol: ProxyProtocol{ Networks: "", diff --git a/config/config.toml.example b/config/config.toml.example index 60118e65a31ea..d67d0c738a087 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -289,6 +289,11 @@ max-txn-ttl = 3600000 # the interval duration between two memory profile into global tracker mem-profile-interval = "1m" +# Index usage sync lease duration, which influences the time of dump index usage information to KV. +# Here we set to 0 to not dump index usage information to KV, +# because we have not completed GC and other functions. +index-usage-sync-lease = "0s" + [proxy-protocol] # PROXY protocol acceptable client networks. # Empty string means disable PROXY protocol, * means all networks. diff --git a/docs/design/2020-09-30-index-usage-information.md b/docs/design/2020-09-30-index-usage-information.md new file mode 100644 index 0000000000000..eb4162afed881 --- /dev/null +++ b/docs/design/2020-09-30-index-usage-information.md @@ -0,0 +1,166 @@ +# Proposal: + +- Author(s): [rebelice](https://github.com/rebelice) +- Last updated: Sep. 30, 2020 +- Discussion at: N/A + +## Abstract + +This document describes the design of recording index usage information. + +## Background + +There may be unused indexes in the database. In addition, modifying database tables, indexes, and query statements may cause some indexes to not be used in the future. Users may want to clear these long-unused indexes to relieve storage and performance pressure. + +Related issues: + +- https://github.com/pingcap/tidb/issues/14998 +- https://github.com/pingcap/tidb/issues/14607 +- https://github.com/pingcap/tidb/issues/17508 +- https://asktug.com/t/topic/34614/12 + +## Proposal + +### SCHEMA_INDEX_USAGE + +Design system tables to record index usage information. The system table is designed as follows: + +1. The system table is located in `mysql` database and is named `SCHEMA_INDEX_USAGE`. +2. Columns of `SCHEMA_INDEX_USAGE`: + +| Column name | Data type | Description | +|--------------|-----------|-------------| +| TABLE_SCHEMA | varchar | Name of the database on which the table or view is defined.| +| TABLE_NAME | varchar | Name of the table or view on which the index is defined.| +| INDEX_NAME | varchar | Name of the index.| +| QUERY_COUNT | longlong | Number of the SQL using this index.| +| ROWS_SELECTED| longlong | Number of rows read from the index. We can check the average fetched rows count of each query of the index through `ROWS_READ` / `QUERY_COUNT`.| +| LAST_USED_AT | timestamp | The last time of the SQL using this index.| + + +3. Typical usage: `select * from mysql.SCHEMA_INDEX_USAGE`. + +#### Table creation: + +```sql +create table SCHEMA_INDEX_USAGE ( + TABLE_SCHEMA varchar(64), + TABLE_NAME varchar(64), + INDEX_NAME varchar(64), + QUERY_COUNT BIGINT, + ROUWS_SELECTED BIGINT, + LAST_USED_AT timestamp, + PRIMARY KEY (SCHEMA_NAME, TABLE_NAME, INDEX_NAME) +); +``` + +Because the max length of schema name, table name and index name is 64, so we use `varchar(64)`. The documentation is [here](https://dev.mysql.com/doc/refman/5.7/en/identifier-length.html). + +#### Table update: + +```sql +insert into mysql.SCHEMA_INDEX_USAGE values (schemaA, tableA, indexA, count, row, used_at) +on duplicate key update query_count=query_count+count, rows_selected=rows_selected+row, last_used_at=greatest(last_used_at, used_at) +``` + +#### Update method: + +Statistics update is divided into statistics and persistence of index usage information. Index usage information is counted by the exec-info collector. And persistence is periodically writing data to system tables. We add a global variable `index-usage-sync-lease` to control the persistence cycle. It is set to 1 minute by default. In addition, add a global SQL variable to control whether to turn on this feature. + +### SCHEMA_UNUSED_INDEXES + +Due to MySQL compatibility, add the system table `SCHEMA_UNUSED_INDEXES`. + +1. Create a view `SCHEMA_UNUSED_INDEXES` on table `SCHEMA_INDEX_USAGE`. +2. Columns of it: + +| Column name | Data type | Description | +| ----------- | --------- | --------------------- | +| object_schema | varchar | The schema name. | +| object_name | varchar | The table name. | +| index_name | varchar | The unused index name.| + +#### View creation: + +```sql +create view information_schema.schema_unused_indexes +as select i.table_schema as table_schema, i.table_name as table_name, i.index_name as index_name +from mysql.tidb_indexes as i left join mysql.schema_index_usage as u +on i.table_schema=u.table_schema and i.table_name=u.table_name and i.index_name=u.index_name +where u.query_count=0 or u.query_count is null; +``` + +### FLUSH SCHEMA_INDEX_USAGE + +#### User story + +Users may have just completed a deployment which changes query patterns such that they expect there will be unused indexes. They can potentially look at the `LAST_USED_AT` column, but sometimes flushing is more desired. + +Similar usage: `FLUSH INDEX_STATISTICS` from https://www.percona.com/doc/percona-server/LATEST/diagnostics/user_stats.html. + +SQL Syntax: `FLUSH SCHEMA_INDEX_USAGE` +Users can use this to initialize SCHEMA_INDEX_USAGE as +```sql +delete from mysql.schema_index_usage; +``` +And it needs a [RELOAD privilege](https://dev.mysql.com/doc/refman/5.7/en/privileges-provided.html#priv_reload) check. + +### Privilege + +Read privilege: Reading SCHEMA_INDEX_USAGE and SCHEMA_UNUSED_INDEXES need permission. A user can see only the rows in the tables that correspond to tables for which the user has the proper access privileges, such as information_schema.tables. +Write privilege: These tables are read-only. You can use FLUSH SCHEMA_INDEX_USAGE command to reinitialize tables, which requires the RELOAD privilege. + +## Rationale + +### MySQL + +- Doc: The [schema_unused_indexes](https://dev.mysql.com/doc/refman/5.7/en/sys-schema-unused-indexes.html) view shows indexes for which there are no events, which indicates that they are not being used. By default, rows are sorted by schema and table. +- User interface + - SQL: `select * from schema_unused_indexes;` + - Columns of schema_unused_indexes + - object_schema (The schema name) + - object_name (The table name) + - index_name (The unused index name) +- The data for this view comes from the [table_io_waits_summary_by_index_usage](https://dev.mysql.com/doc/refman/5.7/en/table-waits-summary-tables.html#performance-schema-table-io-waits-summary-by-table-table). The table contains the following columns + - object_typje, object_schema, object_name, index_name + - In addition, there are columns related to statistical information with different granularities, such as: statistical information of all read operations, statistical information of write operations, or statistical information of all operations. + +### SQL-Server + +- Doc: [sys.dm_db_index_usage_stats](https://docs.microsoft.com/en-us/sql/relational-databases/system-dynamic-management-views/sys-dm-db-index-usage-stats-transact-sql?view=sql-server-ver15) returns counts of different types of index operations and the time each type of operation was last performed. +- User interface + - SQL: `select * from sys.dm_db_index_usage_stats;` + - Columns of sys.dm_db_index_usage_stats + - database_id + - object_id + - index_id + - The number and final execution time of different types of index operations, including seek, scan, lookup, update. Each operation distinguishes user operations and system operations + - Whenever the index is used, the information in the table will be updated. + +### Oracle + +- Doc: [V$OBJECT_USAGE](https://docs.oracle.com/cd/B28359_01/server.111/b28320/dynviews_2077.htm#REFRN30162) displays statistics about index usage gathered from the database. +- User interface + - SQL: `select * from v$object_usage;` + - Columns of v$object_usage + - index_name + - table_name + - monitoring + - used + - start_monitoring + - end_monitoring +- Oracle can set whether to monitor an index. + +## Compatibility and Mirgration Plan + +MySQL supports `SCHEMA_UNUSED_INDEXES`. We are considering compatibility and also support this view. + +## Implementation + +My implementation plan is in [issues/19209](https://github.com/pingcap/tidb/issues/19209) + +## Testing Plan + +The test method is similar to general statistics. + +## Open issues (if applicable) diff --git a/domain/domain.go b/domain/domain.go index 858c1d9f5cba3..31e2ac6deef6c 100644 --- a/domain/domain.go +++ b/domain/domain.go @@ -1069,6 +1069,10 @@ func (do *Domain) UpdateTableStatsLoop(ctx sessionctx.Context) error { do.wg.Add(1) go do.loadStatsWorker() } + if do.indexUsageSyncLease > 0 { + do.wg.Add(1) + go do.syncIndexUsageWorker() + } if do.statsLease <= 0 { return nil } @@ -1140,6 +1144,28 @@ func (do *Domain) loadStatsWorker() { } } +func (do *Domain) syncIndexUsageWorker() { + defer util.Recover(metrics.LabelDomain, "syncIndexUsageWorker", nil, false) + idxUsageSyncTicker := time.NewTicker(do.indexUsageSyncLease) + handle := do.StatsHandle() + defer func() { + idxUsageSyncTicker.Stop() + do.wg.Done() + logutil.BgLogger().Info("syncIndexUsageWorker exited.") + }() + for { + select { + case <-do.exit: + // TODO: need flush index usage + return + case <-idxUsageSyncTicker.C: + if err := handle.DumpIndexUsageToKV(); err != nil { + logutil.BgLogger().Debug("dump index usage failed", zap.Error(err)) + } + } + } +} + func (do *Domain) updateStatsWorker(ctx sessionctx.Context, owner owner.Manager) { defer util.Recover(metrics.LabelDomain, "updateStatsWorker", nil, false) lease := do.statsLease diff --git a/executor/point_get.go b/executor/point_get.go index 79672c1fe7553..da509dfa43986 100644 --- a/executor/point_get.go +++ b/executor/point_get.go @@ -63,6 +63,7 @@ func (b *executorBuilder) buildPointGet(p *plannercore.PointGetPlan) Executor { type PointGetExecutor struct { baseExecutor + dbName string tblInfo *model.TableInfo handle kv.Handle idxInfo *model.IndexInfo @@ -92,6 +93,7 @@ type PointGetExecutor struct { // Init set fields needed for PointGetExecutor reuse, this does NOT change baseExecutor field func (e *PointGetExecutor) Init(p *plannercore.PointGetPlan, startTs uint64) { decoder := NewRowDecoder(e.ctx, p.Schema(), p.TblInfo) + e.dbName = p.DBName() e.tblInfo = p.TblInfo e.handle = p.Handle e.idxInfo = p.IndexInfo @@ -154,6 +156,13 @@ func (e *PointGetExecutor) Close() error { if e.runtimeStats != nil && e.snapshot != nil { e.snapshot.DelOption(kv.CollectRuntimeStats) } + if e.idxInfo != nil && e.tblInfo != nil { + actRows := int64(0) + if e.runtimeStats != nil { + actRows = e.runtimeStats.GetActRows() + } + e.ctx.StoreIndexUsage(e.dbName, e.tblInfo.Name.L, e.idxInfo.Name.L, actRows) + } e.done = false return nil } diff --git a/planner/core/point_get_plan.go b/planner/core/point_get_plan.go index 6a49a0c63e23a..cd0c130839dd8 100644 --- a/planner/core/point_get_plan.go +++ b/planner/core/point_get_plan.go @@ -74,6 +74,11 @@ type nameValuePair struct { param *driver.ParamMarkerExpr } +// DBName return the database name in PointGetPlan. +func (p *PointGetPlan) DBName() string { + return p.dbName +} + // Schema implements the Plan interface. func (p *PointGetPlan) Schema() *expression.Schema { return p.schema diff --git a/session/bootstrap.go b/session/bootstrap.go index 88bb3f62c56e3..b4dcdece6d487 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -312,7 +312,6 @@ const ( QUERY_COUNT bigint(64), ROWS_SELECTED bigint(64), LAST_USED_AT timestamp, - LAST_UPDATED_AT timestamp, PRIMARY KEY(TABLE_SCHEMA, TABLE_NAME, INDEX_NAME) );` ) diff --git a/session/session.go b/session/session.go index 6a8cbe1178882..74424b170e8bd 100644 --- a/session/session.go +++ b/session/session.go @@ -185,6 +185,9 @@ type session struct { // client shared coprocessor client per session client kv.Client + + // indexUsageCollector collects index usage information. + idxUsageCollector *handle.SessionIndexUsageCollector } // AddTableLock adds table lock to the session lock map. @@ -357,6 +360,14 @@ func (s *session) StoreQueryFeedback(feedback interface{}) { } } +// StoreIndexUsage stores index usage information in idxUsageCollector. +func (s *session) StoreIndexUsage(dbName string, tblName string, idxName string, rowsSelected int64) { + if s.idxUsageCollector == nil { + return + } + s.idxUsageCollector.Update(dbName, tblName, idxName, &handle.IndexUsageInformation{QueryCount: 1, RowsSelected: rowsSelected}) +} + // FieldList returns fields list of a table. func (s *session) FieldList(tableName string) ([]*ast.ResultField, error) { is := infoschema.GetInfoSchema(s) @@ -1600,6 +1611,9 @@ func (s *session) Close() { if s.statsCollector != nil { s.statsCollector.Delete() } + if s.idxUsageCollector != nil { + s.idxUsageCollector.Delete() + } bindValue := s.Value(bindinfo.SessionBindInfoKeyType) if bindValue != nil { bindValue.(*bindinfo.SessionHandle).Close() @@ -1751,6 +1765,7 @@ func CreateSessionWithOpt(store kv.Storage, opt *Opt) (Session, error) { // which periodically updates stats using the collected data. if do.StatsHandle() != nil && do.StatsUpdating() { s.statsCollector = do.StatsHandle().NewSessionStatsCollector() + s.idxUsageCollector = do.StatsHandle().NewSessionIndexUsageCollector() } return s, nil diff --git a/session/tidb.go b/session/tidb.go index 8aec544b7b968..65103f7114519 100644 --- a/session/tidb.go +++ b/session/tidb.go @@ -119,7 +119,9 @@ var ( statsLease = int64(3 * time.Second) // indexUsageSyncLease is the time for index usage synchronization. - indexUsageSyncLease = int64(60 * time.Second) + // Because we have not completed GC and other functions, we set it to 0. + // TODO: Set indexUsageSyncLease to 60s. + indexUsageSyncLease = int64(0 * time.Second) ) // ResetStoreForWithTiKVTest is only used in the test code. diff --git a/sessionctx/context.go b/sessionctx/context.go index c7804b53a3bb3..212b6c5c635eb 100644 --- a/sessionctx/context.go +++ b/sessionctx/context.go @@ -104,6 +104,8 @@ type Context interface { HasLockedTables() bool // PrepareTSFuture uses to prepare timestamp by future. PrepareTSFuture(ctx context.Context) + // StoreIndexUsage stores the index usage information. + StoreIndexUsage(dbName string, tblName string, idxName string, rowsSelected int64) } type basicCtxType int diff --git a/statistics/handle/handle.go b/statistics/handle/handle.go index 11b381a7a8f1c..d02cf98e2bc7b 100644 --- a/statistics/handle/handle.go +++ b/statistics/handle/handle.go @@ -74,6 +74,9 @@ type Handle struct { feedback *statistics.QueryFeedbackMap lease atomic2.Duration + + // idxUsageListHead contains all the index usage collectors required by session. + idxUsageListHead *SessionIndexUsageCollector } // Clear4Test the statsCache, only for test. @@ -98,10 +101,11 @@ func (h *Handle) Clear4Test() { // NewHandle creates a Handle for update stats. func NewHandle(ctx sessionctx.Context, lease time.Duration) (*Handle, error) { handle := &Handle{ - ddlEventCh: make(chan *util.Event, 100), - listHead: &SessionStatsCollector{mapper: make(tableDeltaMap), rateMap: make(errorRateDeltaMap)}, - globalMap: make(tableDeltaMap), - feedback: statistics.NewQueryFeedbackMap(), + ddlEventCh: make(chan *util.Event, 100), + listHead: &SessionStatsCollector{mapper: make(tableDeltaMap), rateMap: make(errorRateDeltaMap)}, + globalMap: make(tableDeltaMap), + feedback: statistics.NewQueryFeedbackMap(), + idxUsageListHead: &SessionIndexUsageCollector{mapper: make(indexUsageMap)}, } handle.lease.Store(lease) // It is safe to use it concurrently because the exec won't touch the ctx. diff --git a/statistics/handle/handle_test.go b/statistics/handle/handle_test.go index a56f068a4d047..92abb791d2e17 100644 --- a/statistics/handle/handle_test.go +++ b/statistics/handle/handle_test.go @@ -52,6 +52,7 @@ func cleanEnv(c *C, store kv.Storage, do *domain.Domain) { tk.MustExec("delete from mysql.stats_histograms") tk.MustExec("delete from mysql.stats_buckets") tk.MustExec("delete from mysql.stats_extended") + tk.MustExec("delete from mysql.schema_index_usage") do.StatsHandle().Clear4Test() } @@ -797,3 +798,37 @@ func (s *testStatsSuite) TestCorrelationStatsCompute(c *C) { } c.Assert(foundS1 && foundS2, IsTrue) } + +func (s *testStatsSuite) TestIndexUsageInformation(c *C) { + defer cleanEnv(c, s.store, s.do) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t_idx") + tk.MustExec("create table t_idx(a int, b int)") + tk.MustExec("create unique index idx_a on t_idx(a)") + tk.MustExec("create unique index idx_b on t_idx(b)") + tk.MustQuery("select a from t_idx where a=1") + querySQL := `select table_schema, table_name, index_name, query_count, rows_selected from mysql.schema_index_usage where table_name = "t_idx"` + do := s.do + err := do.StatsHandle().DumpIndexUsageToKV() + c.Assert(err, IsNil) + tk.MustQuery(querySQL).Check(testkit.Rows( + "test t_idx idx_a 1 0", + )) + tk.MustExec("insert into t_idx values(1, 0)") + tk.MustQuery("select a from t_idx where a=1") + tk.MustQuery("select a from t_idx where a=1") + err = do.StatsHandle().DumpIndexUsageToKV() + c.Assert(err, IsNil) + tk.MustQuery(querySQL).Check(testkit.Rows( + "test t_idx idx_a 3 2", + )) + tk.MustQuery("select b from t_idx where b=0") + tk.MustQuery("select b from t_idx where b=0") + err = do.StatsHandle().DumpIndexUsageToKV() + c.Assert(err, IsNil) + tk.MustQuery(querySQL).Check(testkit.Rows( + "test t_idx idx_a 3 2", + "test t_idx idx_b 2 2", + )) +} diff --git a/statistics/handle/update.go b/statistics/handle/update.go index f16ffe66d5e03..bfaec05fdbda6 100644 --- a/statistics/handle/update.go +++ b/statistics/handle/update.go @@ -208,6 +208,116 @@ func (h *Handle) NewSessionStatsCollector() *SessionStatsCollector { return newCollector } +// IndexUsageInformation is the data struct to store index usage information. +type IndexUsageInformation struct { + QueryCount int64 + RowsSelected int64 + LastUsedAt string +} + +type indexUsageMap map[string]IndexUsageInformation + +// SessionIndexUsageCollector is a list item that holds the index usage mapper. If you want to write or read mapper, you must lock it. +type SessionIndexUsageCollector struct { + sync.Mutex + + mapper indexUsageMap + next *SessionIndexUsageCollector + deleted bool +} + +func (m indexUsageMap) updateByKey(id string, value *IndexUsageInformation) { + item := m[id] + item.QueryCount += value.QueryCount + item.RowsSelected += value.RowsSelected + if item.LastUsedAt < value.LastUsedAt { + item.LastUsedAt = value.LastUsedAt + } + m[id] = item +} + +func (m indexUsageMap) update(tableSchema string, tableName string, indexName string, value *IndexUsageInformation) { + id := fmt.Sprintf("%s.%s.%s", tableSchema, tableName, indexName) + m.updateByKey(id, value) +} + +func (m indexUsageMap) merge(destMap indexUsageMap) { + for id, item := range destMap { + m.updateByKey(id, &item) + } +} + +// Update updates the mapper in SessionIndexUsageCollector. +func (s *SessionIndexUsageCollector) Update(tableSchema string, tableName string, indexName string, value *IndexUsageInformation) { + value.LastUsedAt = time.Now().Format(types.TimeFSPFormat) + s.Lock() + defer s.Unlock() + s.mapper.update(tableSchema, tableName, indexName, value) +} + +// Delete will set s.deleted to true which means it can be deleted from linked list. +func (s *SessionIndexUsageCollector) Delete() { + s.Lock() + defer s.Unlock() + s.deleted = true +} + +// NewSessionIndexUsageCollector will add a new SessionIndexUsageCollector into linked list headed by idxUsageListHead. +// idxUsageListHead always points to an empty SessionIndexUsageCollector as a sentinel node. So we let idxUsageListHead.next +// points to new item. It's helpful to sweepIdxUsageList. +func (h *Handle) NewSessionIndexUsageCollector() *SessionIndexUsageCollector { + h.idxUsageListHead.Lock() + defer h.idxUsageListHead.Unlock() + newCollector := &SessionIndexUsageCollector{ + mapper: make(indexUsageMap), + next: h.idxUsageListHead.next, + } + h.idxUsageListHead.next = newCollector + return newCollector +} + +// sweepIdxUsageList will loop over the list, merge each session's local index usage information into handle +// and remove closed session's collector. +// For convenience, we keep idxUsageListHead always points to sentinel node. So that we don't need to consider corner case. +func (h *Handle) sweepIdxUsageList() indexUsageMap { + prev := h.idxUsageListHead + prev.Lock() + mapper := make(indexUsageMap) + for curr := prev.next; curr != nil; curr = curr.next { + curr.Lock() + mapper.merge(curr.mapper) + if curr.deleted { + prev.next = curr.next + curr.Unlock() + } else { + prev.Unlock() + curr.mapper = make(indexUsageMap) + prev = curr + } + } + prev.Unlock() + return mapper +} + +// DumpIndexUsageToKV will dump in-memory index usage information to KV. +func (h *Handle) DumpIndexUsageToKV() error { + mapper := h.sweepIdxUsageList() + for id, value := range mapper { + idInfo := strings.Split(id, ".") + if len(idInfo) != 3 { + return errors.New("illegal key for index usage informaiton") + } + sql := fmt.Sprintf( + `insert into mysql.SCHEMA_INDEX_USAGE values ("%s", "%s", "%s", %d, %d, "%s") on duplicate key update query_count=query_count+%d, rows_selected=rows_selected+%d, last_used_at=greatest(last_used_at, "%s")`, + idInfo[0], idInfo[1], idInfo[2], value.QueryCount, value.RowsSelected, value.LastUsedAt, value.QueryCount, value.RowsSelected, value.LastUsedAt) + _, _, err := h.restrictedExec.ExecRestrictedSQL(sql) + if err != nil { + return err + } + } + return nil +} + var ( // DumpStatsDeltaRatio is the lower bound of `Modify Count / Table Count` for stats delta to be dumped. DumpStatsDeltaRatio = 1 / 10000.0 diff --git a/util/mock/context.go b/util/mock/context.go index d0ec81c7e4d6c..43e1f4ae19558 100644 --- a/util/mock/context.go +++ b/util/mock/context.go @@ -211,6 +211,9 @@ func (c *Context) GoCtx() context.Context { // StoreQueryFeedback stores the query feedback. func (c *Context) StoreQueryFeedback(_ interface{}) {} +// StoreIndexUsage strores the index usage information. +func (c *Context) StoreIndexUsage(_ string, _ string, _ string, _ int64) {} + // StmtCommit implements the sessionctx.Context interface. func (c *Context) StmtCommit() {} From b3e1053e94834156aa62fe090f106ff247287215 Mon Sep 17 00:00:00 2001 From: SIGSEGV Date: Fri, 16 Oct 2020 16:54:13 +0800 Subject: [PATCH 0042/1021] doc: update 2020-05-08-standardize-error-codes-and-messages.md (#20303) --- .../2020-05-08-standardize-error-codes-and-messages.md | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/docs/design/2020-05-08-standardize-error-codes-and-messages.md b/docs/design/2020-05-08-standardize-error-codes-and-messages.md index 67a1242d96f2b..42e227a311750 100644 --- a/docs/design/2020-05-08-standardize-error-codes-and-messages.md +++ b/docs/design/2020-05-08-standardize-error-codes-and-messages.md @@ -1,7 +1,7 @@ # Proposal: Standardize error codes and messages - Author(s): Joshua -- Last updated: July 22 +- Last updated: September 29 - Discussion at: https://docs.google.com/document/d/1beoa5xyuToboSx6e6J02tjLLX5SWzmqvqHuAPEk-I58/edit?usp=sharing ## Abstract @@ -23,14 +23,14 @@ In order to let TiUP know the the errors every component may throw, the componen keep a metafile in the code repository. The metafile should be a toml file which looks like: ```toml -[error.8005] +[8005] error = '''Write Conflict, txnStartTS is stale''' description = '''Transactions in TiDB encounter write conflicts.''' workaround = ''' Check whether `tidb_disable_txn_auto_retry` is set to `on`. If so, set it to `off`; if it is already `off`, increase the value of `tidb_retry_limit` until the error no longer occurs. ''' -[error.9005] +[9005] error = '''Region is unavailable''' description = ''' A certain Raft Group is not available, such as the number of replicas is not enough. @@ -135,7 +135,7 @@ Check the status, monitoring data and log of the TiKV server. As the syntax above, the 9005 block is the message part of 8005 block, so we expect it's result is the same as this toml: ```toml -[error.8005] +[8005] error = '''Write Conflict, txnStartTS is stale''' description = '''Transactions in TiDB encounter write conflicts.''' workaround = ''' @@ -169,7 +169,7 @@ In the discussion above, an error has at least 4 parts: Besides, we can append a optional tags field to it: ```toml -[error.9005] +[9005] error = "" description = "" workaround = "" From a891b4ca8ffb79a37e92c88416067749eeb2bd2b Mon Sep 17 00:00:00 2001 From: tiancaiamao Date: Fri, 16 Oct 2020 19:12:13 +0800 Subject: [PATCH 0043/1021] executor: remove a dirty hack code which is useless now (#20388) --- executor/index_lookup_join.go | 24 +----------------------- 1 file changed, 1 insertion(+), 23 deletions(-) diff --git a/executor/index_lookup_join.go b/executor/index_lookup_join.go index be972aade587c..38b8412396db3 100644 --- a/executor/index_lookup_join.go +++ b/executor/index_lookup_join.go @@ -148,29 +148,7 @@ type innerWorker struct { // Open implements the Executor interface. func (e *IndexLookUpJoin) Open(ctx context.Context) error { - // Be careful, very dirty hack in this line!!! - // IndexLookUpJoin need to rebuild executor (the dataReaderBuilder) during - // executing. However `executor.Next()` is lazy evaluation when the RecordSet - // result is drained. - // Lazy evaluation means the saved session context may change during executor's - // building and its running. - // A specific sequence for example: - // - // e := buildExecutor() // txn at build time - // recordSet := runStmt(e) - // session.CommitTxn() // txn closed - // recordSet.Next() - // e.dataReaderBuilder.Build() // txn is used again, which is already closed - // - // The trick here is `getSnapshotTS` will cache snapshot ts in the dataReaderBuilder, - // so even txn is destroyed later, the dataReaderBuilder could still use the - // cached snapshot ts to construct DAG. - _, err := e.innerCtx.readerBuilder.getSnapshotTS() - if err != nil { - return err - } - - err = e.children[0].Open(ctx) + err := e.children[0].Open(ctx) if err != nil { return err } From 62190f376d90ea087464f0da0f4fa6207304c4cb Mon Sep 17 00:00:00 2001 From: Zejun Li Date: Fri, 16 Oct 2020 19:38:14 +0800 Subject: [PATCH 0044/1021] 2pc: reduce memory footprint by using a more compact mutations list (#20412) --- kv/kv.go | 4 + kv/memdb.go | 28 ++ kv/memdb_iterator.go | 7 + session/schema_amender.go | 38 +- session/schema_amender_test.go | 26 +- store/tikv/2pc.go | 202 +++++++---- store/tikv/2pc_test.go | 28 +- store/tikv/2pc_utils.go | 621 --------------------------------- store/tikv/cleanup.go | 2 +- store/tikv/commit.go | 5 +- store/tikv/pessimistic.go | 12 +- store/tikv/prewrite.go | 16 +- store/tikv/region_cache.go | 10 +- store/tikv/split_region.go | 12 +- store/tikv/txn.go | 12 +- 15 files changed, 250 insertions(+), 773 deletions(-) delete mode 100644 store/tikv/2pc_utils.go diff --git a/kv/kv.go b/kv/kv.go index 6a20467dd4075..89702a2a37c55 100644 --- a/kv/kv.go +++ b/kv/kv.go @@ -170,6 +170,7 @@ type MemBufferIterator interface { HasValue() bool Flags() KeyFlags UpdateFlags(...FlagsOp) + Handle() MemKeyHandle } // MemBuffer is an in-memory kv collection, can be used to buffer write operations. @@ -195,6 +196,9 @@ type MemBuffer interface { // UpdateFlags update the flags associated with key. UpdateFlags(Key, ...FlagsOp) + GetKeyByHandle(MemKeyHandle) []byte + GetValueByHandle(MemKeyHandle) ([]byte, bool) + // Reset reset the MemBuffer to initial states. Reset() // DiscardValues releases the memory used by all values. diff --git a/kv/memdb.go b/kv/memdb.go index c00822d8b7c51..97935abab74fc 100644 --- a/kv/memdb.go +++ b/kv/memdb.go @@ -125,6 +125,18 @@ var tombstone = []byte{} // IsTombstone returns whether the value is a tombstone. func IsTombstone(val []byte) bool { return len(val) == 0 } +// MemKeyHandle represents a pointer for key in MemBuffer. +type MemKeyHandle struct { + // Opaque user data + UserData uint16 + idx uint16 + off uint32 +} + +func (h MemKeyHandle) toAddr() memdbArenaAddr { + return memdbArenaAddr{idx: uint32(h.idx), off: h.off} +} + // memdb is rollbackable Red-Black Tree optimized for TiDB's transaction states buffer use scenario. // You can think memdb is a combination of two separate tree map, one for key => value and another for key => keyFlags. // @@ -299,6 +311,22 @@ func (db *memdb) Delete(key Key) error { return db.set(key, tombstone) } +func (db *memdb) GetKeyByHandle(handle MemKeyHandle) []byte { + x := db.getNode(handle.toAddr()) + return x.getKey() +} + +func (db *memdb) GetValueByHandle(handle MemKeyHandle) ([]byte, bool) { + if db.vlogInvalid { + return nil, false + } + x := db.getNode(handle.toAddr()) + if x.vptr.isNull() { + return nil, false + } + return db.vlog.getValue(x.vptr), true +} + func (db *memdb) Len() int { return db.count } diff --git a/kv/memdb_iterator.go b/kv/memdb_iterator.go index 77d32d9276623..b89c8197331e1 100644 --- a/kv/memdb_iterator.go +++ b/kv/memdb_iterator.go @@ -112,6 +112,13 @@ func (i *memdbIterator) Key() Key { return i.curr.getKey() } +func (i *memdbIterator) Handle() MemKeyHandle { + return MemKeyHandle{ + idx: uint16(i.curr.addr.idx), + off: i.curr.addr.off, + } +} + func (i *memdbIterator) Value() []byte { return i.db.vlog.getValue(i.curr.vptr) } diff --git a/session/schema_amender.go b/session/schema_amender.go index d4befdec040be..f954e86a98611 100644 --- a/session/schema_amender.go +++ b/session/schema_amender.go @@ -296,7 +296,7 @@ func isInsertOp(keyOp pb.Op) bool { // amendOp is an amend operation for a specific schema change, new mutations will be generated using input ones. type amendOp interface { genMutations(ctx context.Context, sctx sessionctx.Context, commitMutations tikv.CommitterMutations, kvMap *rowKvMap, - resultMutations *tikv.CommitterMutations) error + resultMutations *tikv.PlainMutations) error } // amendOperationAddIndex represents one amend operation related to a specific add index change. @@ -335,9 +335,11 @@ func (a *amendOperationAddIndexInfo) String() string { } func (a *amendOperationDeleteOldIndex) genMutations(ctx context.Context, sctx sessionctx.Context, - commitMutations tikv.CommitterMutations, kvMap *rowKvMap, resAddMutations *tikv.CommitterMutations) error { - for i, key := range commitMutations.GetKeys() { - keyOp := commitMutations.GetOps()[i] + commitMutations tikv.CommitterMutations, kvMap *rowKvMap, resAddMutations *tikv.PlainMutations) error { + count := commitMutations.Len() + for i := 0; i < count; i++ { + key := commitMutations.GetKey(i) + keyOp := commitMutations.GetOp(i) if tablecodec.IsIndexKey(key) || tablecodec.DecodeTableID(key) != a.info.tblInfoAtCommit.Meta().ID { continue } @@ -353,9 +355,11 @@ func (a *amendOperationDeleteOldIndex) genMutations(ctx context.Context, sctx se } func (a *amendOperationAddNewIndex) genMutations(ctx context.Context, sctx sessionctx.Context, commitMutations tikv.CommitterMutations, - kvMap *rowKvMap, resAddMutations *tikv.CommitterMutations) error { - for i, key := range commitMutations.GetKeys() { - keyOp := commitMutations.GetOps()[i] + kvMap *rowKvMap, resAddMutations *tikv.PlainMutations) error { + count := commitMutations.Len() + for i := 0; i < count; i++ { + key := commitMutations.GetKey(i) + keyOp := commitMutations.GetOp(i) if tablecodec.IsIndexKey(key) || tablecodec.DecodeTableID(key) != a.info.tblInfoAtCommit.Meta().ID { continue } @@ -415,7 +419,7 @@ func (a *amendOperationAddIndexInfo) genIndexKeyValue(ctx context.Context, sctx } func (a *amendOperationAddNewIndex) processRowKey(ctx context.Context, sctx sessionctx.Context, key []byte, - kvMap map[string][]byte, resAddMutations *tikv.CommitterMutations) error { + kvMap map[string][]byte, resAddMutations *tikv.PlainMutations) error { kvHandle, err := tablecodec.DecodeRowKey(key) if err != nil { logutil.Logger(ctx).Error("decode key error", zap.String("key", hex.EncodeToString(key)), zap.Error(err)) @@ -431,7 +435,7 @@ func (a *amendOperationAddNewIndex) processRowKey(ctx context.Context, sctx sess } func (a *amendOperationDeleteOldIndex) processRowKey(ctx context.Context, sctx sessionctx.Context, key []byte, - oldValKvMap map[string][]byte, resAddMutations *tikv.CommitterMutations) error { + oldValKvMap map[string][]byte, resAddMutations *tikv.PlainMutations) error { kvHandle, err := tablecodec.DecodeRowKey(key) if err != nil { logutil.Logger(ctx).Error("decode key error", zap.String("key", hex.EncodeToString(key)), zap.Error(err)) @@ -461,13 +465,15 @@ func NewSchemaAmenderForTikvTxn(sess *session) *SchemaAmender { } func (s *SchemaAmender) getAmendableKeys(commitMutations tikv.CommitterMutations, info *amendCollector) ([]kv.Key, []kv.Key) { - addKeys := make([]kv.Key, 0, len(commitMutations.GetKeys())) - removeKeys := make([]kv.Key, 0, len(commitMutations.GetKeys())) - for i, byteKey := range commitMutations.GetKeys() { + count := commitMutations.Len() + addKeys := make([]kv.Key, 0, count) + removeKeys := make([]kv.Key, 0, count) + for i := 0; i < count; i++ { + byteKey := commitMutations.GetKey(i) if tablecodec.IsIndexKey(byteKey) || !info.keyHasAmendOp(byteKey) { continue } - keyOp := commitMutations.GetOps()[i] + keyOp := commitMutations.GetOp(i) if pb.Op_Put == keyOp { addKeys = append(addKeys, byteKey) removeKeys = append(removeKeys, byteKey) @@ -522,13 +528,13 @@ func (s *SchemaAmender) prepareKvMap(ctx context.Context, commitMutations tikv.C // genAllAmendMutations generates CommitterMutations for all tables and related amend operations. func (s *SchemaAmender) genAllAmendMutations(ctx context.Context, commitMutations tikv.CommitterMutations, - info *amendCollector) (*tikv.CommitterMutations, error) { + info *amendCollector) (*tikv.PlainMutations, error) { rowKvMap, err := s.prepareKvMap(ctx, commitMutations, info) if err != nil { return nil, err } // Do generate add/remove mutations processing each key. - resultNewMutations := tikv.NewCommiterMutations(32) + resultNewMutations := tikv.NewPlainMutations(32) for _, amendOps := range info.tblAmendOpMap { for _, curOp := range amendOps { err := curOp.genMutations(ctx, s.sess, commitMutations, rowKvMap, &resultNewMutations) @@ -543,7 +549,7 @@ func (s *SchemaAmender) genAllAmendMutations(ctx context.Context, commitMutation // AmendTxn does check and generate amend mutations based on input infoSchema and mutations, mutations need to prewrite // are returned, the input commitMutations will not be changed. func (s *SchemaAmender) AmendTxn(ctx context.Context, startInfoSchema tikv.SchemaVer, change *tikv.RelatedSchemaChange, - commitMutations tikv.CommitterMutations) (*tikv.CommitterMutations, error) { + commitMutations tikv.CommitterMutations) (tikv.CommitterMutations, error) { // Get info schema meta infoSchemaAtStart := startInfoSchema.(infoschema.InfoSchema) infoSchemaAtCheck := change.LatestInfoSchema.(infoschema.InfoSchema) diff --git a/session/schema_amender_test.go b/session/schema_amender_test.go index 67d91dad03eb7..ab44f4f96007f 100644 --- a/session/schema_amender_test.go +++ b/session/schema_amender_test.go @@ -58,7 +58,7 @@ func initTblColIdxID(metaInfo *model.TableInfo) { metaInfo.State = model.StatePublic } -func mutationsEqual(res *tikv.CommitterMutations, expected *tikv.CommitterMutations, c *C) { +func mutationsEqual(res tikv.CommitterMutations, expected tikv.CommitterMutations, c *C) { c.Assert(len(res.GetKeys()), Equals, len(expected.GetKeys())) for i := 0; i < len(res.GetKeys()); i++ { foundIdx := -1 @@ -69,10 +69,10 @@ func mutationsEqual(res *tikv.CommitterMutations, expected *tikv.CommitterMutati } } c.Assert(foundIdx, GreaterEqual, 0) - c.Assert(res.GetOps()[i], Equals, expected.GetOps()[foundIdx]) - c.Assert(res.GetPessimisticFlags()[i], Equals, expected.GetPessimisticFlags()[foundIdx]) + c.Assert(res.GetOp(i), Equals, expected.GetOp(foundIdx)) + c.Assert(res.IsPessimisticLock(i), Equals, expected.IsPessimisticLock(foundIdx)) c.Assert(res.GetKeys()[i], BytesEquals, expected.GetKeys()[foundIdx]) - c.Assert(res.GetValues()[i], BytesEquals, expected.GetValues()[foundIdx]) + c.Assert(res.GetValue(i), BytesEquals, expected.GetValue(foundIdx)) } } @@ -83,8 +83,8 @@ type data struct { rowValue [][]types.Datum } -func prepareTestData(se *session, mutations *tikv.CommitterMutations, oldTblInfo table.Table, newTblInfo table.Table, - expecetedAmendOps []amendOp, c *C) (*data, *data, tikv.CommitterMutations) { +func prepareTestData(se *session, mutations *tikv.PlainMutations, oldTblInfo table.Table, newTblInfo table.Table, + expecetedAmendOps []amendOp, c *C) (*data, *data, *tikv.PlainMutations) { var err error // Generated test data. colIds := make([]int64, len(oldTblInfo.Meta().Columns)) @@ -104,7 +104,7 @@ func prepareTestData(se *session, mutations *tikv.CommitterMutations, oldTblInfo rd := rowcodec.Encoder{Enable: true} newData := &data{} oldData := &data{} - expecteMutations := tikv.NewCommiterMutations(8) + expecteMutations := tikv.NewPlainMutations(8) // Generate old data. for i := 0; i < len(KeyOps); i++ { @@ -220,7 +220,7 @@ func prepareTestData(se *session, mutations *tikv.CommitterMutations, oldTblInfo } } } - return newData, oldData, expecteMutations + return newData, oldData, &expecteMutations } func (s *testSchemaAmenderSuite) TestAmendCollectAndGenMutations(c *C) { @@ -350,7 +350,7 @@ func (s *testSchemaAmenderSuite) TestAmendCollectAndGenMutations(c *C) { } } // Generated test data. - mutations := tikv.NewCommiterMutations(8) + mutations := tikv.NewPlainMutations(8) newData, oldData, expectedMutations := prepareTestData(se, &mutations, oldTbInfo, newTblInfo, expectedAmendOps, c) // Prepare old data in table. txnPrepare, err := se.store.Begin() @@ -405,14 +405,10 @@ func (s *testSchemaAmenderSuite) TestAmendCollectAndGenMutations(c *C) { mutations.Push(kvrpcpb.Op_Put, idxKey, idxValue, false) } - res, err := schemaAmender.genAllAmendMutations(ctx, mutations, collector) + res, err := schemaAmender.genAllAmendMutations(ctx, &mutations, collector) c.Assert(err, IsNil) - // Validate generated results. - c.Assert(len(res.GetKeys()), Equals, len(res.GetOps())) - c.Assert(len(res.GetValues()), Equals, len(res.GetOps())) - c.Assert(len(res.GetPessimisticFlags()), Equals, len(res.GetOps())) - mutationsEqual(res, &expectedMutations, c) + mutationsEqual(res, expectedMutations, c) err = txn.Rollback() c.Assert(err, IsNil) } diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index 90738da18dc19..36ff2cdfd8c33 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -76,7 +76,7 @@ type twoPhaseCommitter struct { store *tikvStore txn *tikvTxn startTS uint64 - mutations CommitterMutations + mutations *memBufferMutations lockTTL uint64 commitTS uint64 priority pb.CommandPri @@ -116,17 +116,85 @@ type twoPhaseCommitter struct { minCommitTS uint64 } -// CommitterMutations contains transaction operations. -type CommitterMutations struct { +type memBufferMutations struct { + storage kv.MemBuffer + handles []kv.MemKeyHandle +} + +func newMemBufferMutations(sizeHint int, storage kv.MemBuffer) *memBufferMutations { + return &memBufferMutations{ + handles: make([]kv.MemKeyHandle, 0, sizeHint), + storage: storage, + } +} + +func (m *memBufferMutations) Len() int { + return len(m.handles) +} + +func (m *memBufferMutations) GetKey(i int) []byte { + return m.storage.GetKeyByHandle(m.handles[i]) +} + +func (m *memBufferMutations) GetKeys() [][]byte { + ret := make([][]byte, m.Len()) + for i := range ret { + ret[i] = m.GetKey(i) + } + return ret +} + +func (m *memBufferMutations) GetValue(i int) []byte { + v, _ := m.storage.GetValueByHandle(m.handles[i]) + return v +} + +func (m *memBufferMutations) GetOp(i int) pb.Op { + return pb.Op(m.handles[i].UserData >> 1) +} + +func (m *memBufferMutations) IsPessimisticLock(i int) bool { + return m.handles[i].UserData&1 != 0 +} + +func (m *memBufferMutations) Slice(from, to int) CommitterMutations { + return &memBufferMutations{ + handles: m.handles[from:to], + storage: m.storage, + } +} + +func (m *memBufferMutations) Push(op pb.Op, isPessimisticLock bool, handle kv.MemKeyHandle) { + aux := uint16(op) << 1 + if isPessimisticLock { + aux |= 1 + } + handle.UserData = aux + m.handles = append(m.handles, handle) +} + +// CommitterMutations contains the mutations to be submitted. +type CommitterMutations interface { + Len() int + GetKey(i int) []byte + GetKeys() [][]byte + GetOp(i int) pb.Op + GetValue(i int) []byte + IsPessimisticLock(i int) bool + Slice(from, to int) CommitterMutations +} + +// PlainMutations contains transaction operations. +type PlainMutations struct { ops []pb.Op keys [][]byte values [][]byte isPessimisticLock []bool } -// NewCommiterMutations creates a CommitterMutations object with sizeHint reserved. -func NewCommiterMutations(sizeHint int) CommitterMutations { - return CommitterMutations{ +// NewPlainMutations creates a PlainMutations object with sizeHint reserved. +func NewPlainMutations(sizeHint int) PlainMutations { + return PlainMutations{ ops: make([]pb.Op, 0, sizeHint), keys: make([][]byte, 0, sizeHint), values: make([][]byte, 0, sizeHint), @@ -134,8 +202,9 @@ func NewCommiterMutations(sizeHint int) CommitterMutations { } } -func (c *CommitterMutations) subRange(from, to int) CommitterMutations { - var res CommitterMutations +// Slice return a sub mutations in range [from, to). +func (c *PlainMutations) Slice(from, to int) CommitterMutations { + var res PlainMutations res.keys = c.keys[from:to] if c.ops != nil { res.ops = c.ops[from:to] @@ -146,47 +215,48 @@ func (c *CommitterMutations) subRange(from, to int) CommitterMutations { if c.isPessimisticLock != nil { res.isPessimisticLock = c.isPessimisticLock[from:to] } - return res + return &res } // Push another mutation into mutations. -func (c *CommitterMutations) Push(op pb.Op, key []byte, value []byte, isPessimisticLock bool) { +func (c *PlainMutations) Push(op pb.Op, key []byte, value []byte, isPessimisticLock bool) { c.ops = append(c.ops, op) c.keys = append(c.keys, key) c.values = append(c.values, value) c.isPessimisticLock = append(c.isPessimisticLock, isPessimisticLock) } -func (c *CommitterMutations) len() int { +// Len returns the count of mutations. +func (c *PlainMutations) Len() int { return len(c.keys) } -// GetKeys returns the keys. -func (c *CommitterMutations) GetKeys() [][]byte { - return c.keys +// GetKey returns the key at index. +func (c *PlainMutations) GetKey(i int) []byte { + return c.keys[i] } -// GetOps returns the key ops. -func (c *CommitterMutations) GetOps() []pb.Op { - return c.ops +// GetKeys returns the keys. +func (c *PlainMutations) GetKeys() [][]byte { + return c.keys } -// GetValues returns the key values. -func (c *CommitterMutations) GetValues() [][]byte { - return c.values +// GetOp returns the key op at index. +func (c *PlainMutations) GetOp(i int) pb.Op { + return c.ops[i] } -// GetPessimisticFlags returns the key pessimistic flags. -func (c *CommitterMutations) GetPessimisticFlags() []bool { - return c.isPessimisticLock +// GetValue returns the key value at index. +func (c *PlainMutations) GetValue(i int) []byte { + if len(c.values) <= i { + return nil + } + return c.values[i] } -// MergeMutations append input mutations into current mutations. -func (c *CommitterMutations) MergeMutations(mutations CommitterMutations) { - c.ops = append(c.ops, mutations.ops...) - c.keys = append(c.keys, mutations.keys...) - c.values = append(c.values, mutations.values...) - c.isPessimisticLock = append(c.isPessimisticLock, mutations.isPessimisticLock...) +// IsPessimisticLock returns the key pessimistic flag at index. +func (c *PlainMutations) IsPessimisticLock(i int) bool { + return c.isPessimisticLock[i] } // newTwoPhaseCommitter creates a twoPhaseCommitter. @@ -339,7 +409,7 @@ func (c *twoPhaseCommitter) initKeysAndMutations() error { txn := c.txn memBuf := txn.GetMemBuffer() sizeHint := txn.us.GetMemBuffer().Len() - mutations := NewCommiterMutations(sizeHint) + c.mutations = newMemBufferMutations(sizeHint, memBuf) c.isPessimistic = txn.IsPessimistic() var err error @@ -387,7 +457,7 @@ func (c *twoPhaseCommitter) initKeysAndMutations() error { if flags.HasLocked() { isPessimistic = c.isPessimistic } - mutations.Push(op, key, value, isPessimistic) + c.mutations.Push(op, isPessimistic, it.Handle()) size += len(key) + len(value) if len(c.primaryKey) == 0 && op != pb.Op_CheckNotExists { @@ -395,7 +465,7 @@ func (c *twoPhaseCommitter) initKeysAndMutations() error { } } - if mutations.len() == 0 { + if c.mutations.Len() == 0 { return nil } c.txnSize = size @@ -405,13 +475,13 @@ func (c *twoPhaseCommitter) initKeysAndMutations() error { } const logEntryCount = 10000 const logSize = 4 * 1024 * 1024 // 4MB - if mutations.len() > logEntryCount || size > logSize { - tableID := tablecodec.DecodeTableID(mutations.keys[0]) + if c.mutations.Len() > logEntryCount || size > logSize { + tableID := tablecodec.DecodeTableID(c.mutations.GetKey(0)) logutil.BgLogger().Info("[BIG_TXN]", zap.Uint64("con", c.connID), zap.Int64("table ID", tableID), zap.Int("size", size), - zap.Int("keys", mutations.len()), + zap.Int("keys", c.mutations.Len()), zap.Int("puts", putCnt), zap.Int("dels", delCnt), zap.Int("locks", lockCnt), @@ -428,11 +498,10 @@ func (c *twoPhaseCommitter) initKeysAndMutations() error { return errors.Trace(err) } - commitDetail := &execdetails.CommitDetails{WriteSize: size, WriteKeys: mutations.len()} + commitDetail := &execdetails.CommitDetails{WriteSize: size, WriteKeys: c.mutations.Len()} metrics.TiKVTxnWriteKVCountHistogram.Observe(float64(commitDetail.WriteKeys)) metrics.TiKVTxnWriteSizeHistogram.Observe(float64(commitDetail.WriteSize)) c.hasNoNeedCommitKeys = checkCnt > 0 - c.mutations = mutations c.lockTTL = txnLockTTL(txn.startTime, size) c.priority = getTxnPriority(txn) c.syncLog = getTxnSyncLog(txn) @@ -442,16 +511,17 @@ func (c *twoPhaseCommitter) initKeysAndMutations() error { func (c *twoPhaseCommitter) primary() []byte { if len(c.primaryKey) == 0 { - return c.mutations.keys[0] + return c.mutations.GetKey(0) } return c.primaryKey } // asyncSecondaries returns all keys that must be checked in the recovery phase of an async commit. func (c *twoPhaseCommitter) asyncSecondaries() [][]byte { - secondaries := make([][]byte, 0, len(c.mutations.keys)) - for i, k := range c.mutations.keys { - if bytes.Equal(k, c.primary()) || c.mutations.ops[i] == pb.Op_CheckNotExists { + secondaries := make([][]byte, 0, c.mutations.Len()) + for i := 0; i < c.mutations.Len(); i++ { + k := c.mutations.GetKey(i) + if bytes.Equal(k, c.primary()) || c.mutations.GetOp(i) == pb.Op_CheckNotExists { continue } secondaries = append(secondaries, k) @@ -492,7 +562,7 @@ var preSplitSizeThreshold uint32 = 32 << 20 // it does action on primary batch first, then on secondary batches. If action is commit, secondary batches // is done in background goroutine. func (c *twoPhaseCommitter) doActionOnMutations(bo *Backoffer, action twoPhaseCommitAction, mutations CommitterMutations) error { - if mutations.len() == 0 { + if mutations.Len() == 0 { return nil } groups, err := c.groupMutations(bo, mutations) @@ -515,10 +585,10 @@ func (c *twoPhaseCommitter) groupMutations(bo *Backoffer, mutations CommitterMut var didPreSplit bool preSplitDetectThresholdVal := atomic.LoadUint32(&preSplitDetectThreshold) for _, group := range groups { - if uint32(group.mutations.len()) >= preSplitDetectThresholdVal { + if uint32(group.mutations.Len()) >= preSplitDetectThresholdVal { logutil.BgLogger().Info("2PC detect large amount of mutations on a single region", zap.Uint64("region", group.region.GetID()), - zap.Int("mutations count", group.mutations.len())) + zap.Int("mutations count", group.mutations.Len())) // Use context.Background, this time should not add up to Backoffer. if c.store.preSplitRegion(context.Background(), group) { didPreSplit = true @@ -548,7 +618,7 @@ func (c *twoPhaseCommitter) doActionOnGroupMutations(bo *Backoffer, action twoPh // Do not update regionTxnSize on retries. They are not used when building a PrewriteRequest. if len(bo.errors) == 0 { for _, group := range groups { - c.regionTxnSize[group.region.id] = group.mutations.len() + c.regionTxnSize[group.region.id] = group.mutations.Len() } } sizeFunc = c.keyValueSize @@ -805,11 +875,11 @@ func (c *twoPhaseCommitter) checkAsyncCommit() bool { // TODO the keys limit need more tests, this value makes the unit test pass by now. // Async commit is not compatible with Binlog because of the non unique timestamp issue. if c.connID > 0 && asyncCommitCfg.Enable && - uint(len(c.mutations.keys)) <= asyncCommitCfg.KeysLimit && + uint(c.mutations.Len()) <= asyncCommitCfg.KeysLimit && !c.shouldWriteBinlog() { totalKeySize := uint64(0) - for _, key := range c.mutations.keys { - totalKeySize += uint64(len(key)) + for i := 0; i < c.mutations.Len(); i++ { + totalKeySize += uint64(len(c.mutations.GetKey(i))) if totalKeySize > asyncCommitCfg.TotalKeySizeLimit { return false } @@ -1037,7 +1107,6 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { } func (c *twoPhaseCommitter) commitTxn(ctx context.Context, commitDetail *execdetails.CommitDetails) error { - c.mutations.values = nil c.txn.GetMemBuffer().DiscardValues() start := time.Now() @@ -1075,27 +1144,18 @@ func (c *twoPhaseCommitter) stripNoNeedCommitKeys() { if !c.hasNoNeedCommitKeys { return } - m := &c.mutations + m := c.mutations var newIdx int - for oldIdx := range m.keys { - key := m.keys[oldIdx] + for oldIdx := range m.handles { + key := m.GetKey(oldIdx) flags, err := c.txn.GetMemBuffer().GetFlags(key) if err == nil && flags.HasPrewriteOnly() { continue } - m.keys[newIdx] = key - if m.ops != nil { - m.ops[newIdx] = m.ops[oldIdx] - } - if m.values != nil { - m.values[newIdx] = m.values[oldIdx] - } - if m.isPessimisticLock != nil { - m.isPessimisticLock[newIdx] = m.isPessimisticLock[oldIdx] - } + m.handles[newIdx] = m.handles[oldIdx] newIdx++ } - c.mutations = m.subRange(0, newIdx) + c.mutations.handles = c.mutations.handles[:newIdx] } // SchemaVer is the infoSchema which will return the schema version. @@ -1124,9 +1184,9 @@ func (c *twoPhaseCommitter) tryAmendTxn(ctx context.Context, startInfoSchema Sch return false, err } // Prewrite new mutations. - if addMutations != nil && len(addMutations.keys) > 0 { + if addMutations != nil && addMutations.Len() > 0 { prewriteBo := NewBackofferWithVars(ctx, PrewriteMaxBackoff, c.txn.vars) - err = c.prewriteMutations(prewriteBo, *addMutations) + err = c.prewriteMutations(prewriteBo, addMutations) if err != nil { logutil.Logger(ctx).Warn("amend prewrite has failed", zap.Error(err), zap.Uint64("txnStartTS", c.startTS)) return false, err @@ -1284,14 +1344,12 @@ func newBatched(primaryKey []byte) *batched { // sure each batch's size does not exceed the limit. func (b *batched) appendBatchMutationsBySize(region RegionVerID, mutations CommitterMutations, sizeFn func(k, v []byte) int, limit int) { var start, end int - for start = 0; start < mutations.len(); start = end { + for start = 0; start < mutations.Len(); start = end { var size int - for end = start; end < mutations.len() && size < limit; end++ { + for end = start; end < mutations.Len() && size < limit; end++ { var k, v []byte - k = mutations.keys[end] - if end < len(mutations.values) { - v = mutations.values[end] - } + k = mutations.GetKey(end) + v = mutations.GetValue(end) size += sizeFn(k, v) if b.primaryIdx < 0 && bytes.Equal(k, b.primaryKey) { b.primaryIdx = len(b.batches) @@ -1299,7 +1357,7 @@ func (b *batched) appendBatchMutationsBySize(region RegionVerID, mutations Commi } b.batches = append(b.batches, batchMutations{ region: region, - mutations: mutations.subRange(start, end), + mutations: mutations.Slice(start, end), }) } } diff --git a/store/tikv/2pc_test.go b/store/tikv/2pc_test.go index 27cce10ed2ced..f9c192ad51a94 100644 --- a/store/tikv/2pc_test.go +++ b/store/tikv/2pc_test.go @@ -228,7 +228,7 @@ func (s *testCommitterSuite) TestPrewriteRollback(c *C) { } committer.commitTS, err = s.store.oracle.GetTimestamp(ctx) c.Assert(err, IsNil) - err = committer.commitMutations(NewBackofferWithVars(ctx, int(atomic.LoadUint64(&CommitMaxBackoff)), nil), CommitterMutations{keys: [][]byte{[]byte("a")}}) + err = committer.commitMutations(NewBackofferWithVars(ctx, int(atomic.LoadUint64(&CommitMaxBackoff)), nil), &PlainMutations{keys: [][]byte{[]byte("a")}}) c.Assert(err, IsNil) txn3 := s.begin(c) @@ -553,9 +553,9 @@ func (s *testCommitterSuite) TestRejectCommitTS(c *C) { c.Assert(err, IsNil) mutations := []*kvrpcpb.Mutation{ { - Op: committer.mutations.ops[0], - Key: committer.mutations.keys[0], - Value: committer.mutations.values[0], + Op: committer.mutations.GetOp(0), + Key: committer.mutations.GetKey(0), + Value: committer.mutations.GetValue(0), }, } prewrite := &kvrpcpb.PrewriteRequest{ @@ -602,7 +602,7 @@ func (s *testCommitterSuite) TestPessimisticPrewriteRequest(c *C) { c.Assert(err, IsNil) committer.forUpdateTS = 100 var batch batchMutations - batch.mutations = committer.mutations.subRange(0, 1) + batch.mutations = committer.mutations.Slice(0, 1) batch.region = RegionVerID{1, 1, 1} req := committer.buildPrewriteRequest(batch, 1) c.Assert(len(req.Prewrite().IsPessimisticLock), Greater, 0) @@ -879,7 +879,7 @@ func (s *testCommitterSuite) getLockInfo(c *C, key []byte) *kvrpcpb.LockInfo { bo := NewBackofferWithVars(context.Background(), getMaxBackoff, nil) loc, err := s.store.regionCache.LocateKey(bo, key) c.Assert(err, IsNil) - batch := batchMutations{region: loc.Region, mutations: committer.mutations.subRange(0, 1)} + batch := batchMutations{region: loc.Region, mutations: committer.mutations.Slice(0, 1)} req := committer.buildPrewriteRequest(batch, 1) resp, err := s.store.SendReq(bo, req, loc.Region, readTimeoutShort) c.Assert(err, IsNil) @@ -915,7 +915,7 @@ func (s *testCommitterSuite) TestPkNotFound(c *C) { // while the secondary lock operation succeeded bo := NewBackofferWithVars(context.Background(), pessimisticLockMaxBackoff, nil) txn1.committer.ttlManager.close() - err = txn1.committer.pessimisticRollbackMutations(bo, CommitterMutations{keys: [][]byte{k1}}) + err = txn1.committer.pessimisticRollbackMutations(bo, &PlainMutations{keys: [][]byte{k1}}) c.Assert(err, IsNil) // Txn2 tries to lock the secondary key k2, dead loop if the left secondary lock by txn1 not resolved @@ -989,16 +989,16 @@ func (s *testCommitterSuite) TestPessimisticLockPrimary(c *C) { } func (c *twoPhaseCommitter) mutationsOfKeys(keys [][]byte) CommitterMutations { - var res CommitterMutations - for i := range c.mutations.keys { + var res PlainMutations + for i := 0; i < c.mutations.Len(); i++ { for _, key := range keys { - if bytes.Equal(c.mutations.keys[i], key) { - res.Push(c.mutations.ops[i], c.mutations.keys[i], c.mutations.values[i], c.mutations.isPessimisticLock[i]) + if bytes.Equal(c.mutations.GetKey(i), key) { + res.Push(c.mutations.GetOp(i), c.mutations.GetKey(i), c.mutations.GetValue(i), c.mutations.IsPessimisticLock(i)) break } } } - return res + return &res } func (s *testCommitterSuite) TestCommitDeadLock(c *C) { @@ -1070,7 +1070,7 @@ func (s *testCommitterSuite) TestPushPessimisticLock(c *C) { err = txn1.committer.initKeysAndMutations() c.Assert(err, IsNil) // Strip the prewrite of the primary key. - txn1.committer.mutations = txn1.committer.mutations.subRange(1, 2) + txn1.committer.mutations.handles = txn1.committer.mutations.handles[1:2] c.Assert(err, IsNil) err = txn1.committer.prewriteMutations(NewBackofferWithVars(ctx, PrewriteMaxBackoff, nil), txn1.committer.mutations) c.Assert(err, IsNil) @@ -1139,7 +1139,7 @@ func (s *testCommitterSuite) TestResolveMixed(c *C) { // stop txn ttl manager and remove primary key, make the other keys left behind bo := NewBackofferWithVars(context.Background(), pessimisticLockMaxBackoff, nil) txn1.committer.ttlManager.close() - err = txn1.committer.pessimisticRollbackMutations(bo, CommitterMutations{keys: [][]byte{pk}}) + err = txn1.committer.pessimisticRollbackMutations(bo, &PlainMutations{keys: [][]byte{pk}}) c.Assert(err, IsNil) // try to resolve the left optimistic locks, use clean whole region diff --git a/store/tikv/2pc_utils.go b/store/tikv/2pc_utils.go deleted file mode 100644 index 01e1832a75118..0000000000000 --- a/store/tikv/2pc_utils.go +++ /dev/null @@ -1,621 +0,0 @@ -// Copyright 2020 PingCAP, Inc. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// See the License for the specific language governing permissions and -// limitations under the License. - -package tikv - -import ( - "bytes" - "context" - "math" - "sort" - "sync/atomic" - - "github.com/pingcap/errors" - pb "github.com/pingcap/kvproto/pkg/kvrpcpb" - "github.com/pingcap/tidb/kv" - "github.com/pingcap/tidb/metrics" - "github.com/pingcap/tidb/tablecodec" - "github.com/pingcap/tidb/util/logutil" - "go.uber.org/zap" -) - -func (c *twoPhaseCommitter) initCommitterStates(ctx context.Context) error { - txn := c.txn - c.isPessimistic = txn.IsPessimistic() - bo := NewBackofferWithVars(ctx, PrewriteMaxBackoff, c.txn.vars) - - // Sanity check for startTS. - if txn.StartTS() == math.MaxUint64 { - err := errors.Errorf("try to commit with invalid txnStartTS: %d", txn.StartTS()) - logutil.BgLogger().Error("commit failed", - zap.Uint64("conn", c.connID), - zap.Error(err)) - return errors.Trace(err) - } - - var ( - firstKey []byte - regionSizeCal regionTxnSizeCalculator - txnDetailsCal txnDetailsCalculator - preSplitCal preSplitCalculator - it = c.mapWithRegion(bo, committerTxnMutations{c, true}.Iter(nil, nil)) - ) - for { - m, err := it.Next() - if err != nil { - return errors.Trace(err) - } - if m.key == nil { - break - } - if firstKey == nil { - firstKey = m.key - } - - if len(c.primaryKey) == 0 && m.op != pb.Op_CheckNotExists { - c.primaryKey = m.key - } - - regionSizeCal.Process(m) - txnDetailsCal.Process(m) - preSplitCal.Process(m) - } - if len(c.primaryKey) == 0 { - c.primaryKey = firstKey - } - - if err := txnDetailsCal.Finish(c); err != nil { - return errors.Trace(err) - } - regionSizeCal.Finish(c) - splitKeys, splitRegions := preSplitCal.Finish() - - if c.txnSize == 0 { - return nil - } - - if c.trySplitRegions(splitKeys, splitRegions) { - if err := c.reCalRegionTxnSize(bo); err != nil { - return err - } - } - - mutationsIt := it.src.(*txnMutationsIter) - c.prewriteOnlyKeys = mutationsIt.prewriteOnlyKeys - c.ignoredKeys = mutationsIt.ignoredKeys - - c.lockTTL = txnLockTTL(txn.startTime, txn.Size()) - c.priority = getTxnPriority(txn) - c.syncLog = getTxnSyncLog(txn) - return nil -} - -type mutation struct { - key []byte - value []byte - isPessimisticLock bool - op pb.Op -} - -type mutationWithRegion struct { - mutation - region RegionVerID -} - -type mutations interface { - Iter(start, end []byte) mutationsIter - Len() int -} - -type mutationsIter interface { - Next() mutation - WithFilter(func([]byte) bool) -} - -type regionTxnSizeCalculator struct { - result map[uint64]int - prevRegion RegionVerID - numKeys int -} - -func (c *regionTxnSizeCalculator) Process(m mutationWithRegion) { - if c.result == nil { - c.result = make(map[uint64]int) - } - if m.region.id != c.prevRegion.id { - if c.prevRegion.id != 0 { - c.result[c.prevRegion.id] = c.numKeys - } - c.prevRegion = m.region - c.numKeys = 0 - } - c.numKeys++ -} - -func (c *regionTxnSizeCalculator) Finish(committer *twoPhaseCommitter) { - if c.prevRegion.id != 0 { - c.result[c.prevRegion.id] = c.numKeys - } - committer.regionTxnSize = c.result - committer.getDetail().PrewriteRegionNum = int32(len(c.result)) -} - -type txnDetailsCalculator struct { - writeKeys int - writeSize int - putCnt int - delCnt int - lockCnt int - checkCnt int -} - -func (c *txnDetailsCalculator) Process(m mutationWithRegion) { - c.writeKeys++ - c.writeSize += len(m.key) + len(m.value) - switch m.op { - case pb.Op_CheckNotExists: - c.checkCnt++ - case pb.Op_Del: - c.delCnt++ - case pb.Op_Put, pb.Op_Insert: - c.putCnt++ - case pb.Op_Lock: - c.lockCnt++ - } -} - -func (c *txnDetailsCalculator) Finish(committer *twoPhaseCommitter) error { - if c.writeSize > int(kv.TxnTotalSizeLimit) { - return kv.ErrTxnTooLarge.GenWithStackByArgs(c.writeSize) - } - - const logEntryCount = 10000 - const logSize = 4 * 1024 * 1024 // 4MB - if c.writeKeys > logEntryCount || c.writeSize > logSize { - tableID := tablecodec.DecodeTableID(committer.primaryKey) - logutil.BgLogger().Info("[BIG_TXN]", - zap.Uint64("con", committer.connID), - zap.Int64("table ID", tableID), - zap.Int("size", c.writeSize), - zap.Int("keys", c.writeKeys), - zap.Int("puts", c.putCnt), - zap.Int("dels", c.delCnt), - zap.Int("locks", c.lockCnt), - zap.Int("checks", c.checkCnt), - zap.Uint64("txnStartTS", committer.txn.startTS)) - } - - committer.txnSize = c.writeSize - details := committer.getDetail() - details.WriteKeys = c.writeKeys - details.WriteSize = c.writeSize - - metrics.TiKVTxnWriteKVCountHistogram.Observe(float64(c.writeKeys)) - metrics.TiKVTxnWriteSizeHistogram.Observe(float64(c.writeSize)) - - return nil -} - -type preSplitCalculator struct { - limit uint32 - size int - splitKeys [][]byte - splitRegions []RegionVerID -} - -func (c *preSplitCalculator) Process(m mutationWithRegion) { - if c.limit == 0 { - c.limit = atomic.LoadUint32(&preSplitSizeThreshold) - } - c.size += len(m.key) + len(m.value) - if uint32(c.size) >= c.limit { - c.splitKeys = append(c.splitKeys, m.key) - if len(c.splitRegions) == 0 || c.splitRegions[len(c.splitRegions)-1] != m.region { - c.splitRegions = append(c.splitRegions, m.region) - } - c.size = 0 - } -} - -func (c *preSplitCalculator) Finish() ([][]byte, []RegionVerID) { - return c.splitKeys, c.splitRegions -} - -func (c *twoPhaseCommitter) trySplitRegions(splitKeys [][]byte, splitRegions []RegionVerID) bool { - if len(splitKeys) == 0 { - return false - } - ctx := context.Background() - regions := make([]uint64, len(splitRegions)) - for i := range regions { - regions[i] = splitRegions[i].id - } - logutil.BgLogger().Info("2PC detect large amount of mutations on some region", zap.Uint64s("regions", regions)) - newRegions, err := c.store.SplitRegions(ctx, splitKeys, true, nil) - if err != nil { - logutil.BgLogger().Warn("2PC split regions failed", zap.Uint64s("regions", regions), zap.Error(err)) - return false - } - - for _, regionID := range newRegions { - err := c.store.WaitScatterRegionFinish(ctx, regionID, 0) - if err != nil { - logutil.BgLogger().Warn("2PC wait scatter region failed", zap.Uint64("regionID", regionID), zap.Error(err)) - } - } - - for _, region := range splitRegions { - c.store.regionCache.InvalidateCachedRegion(region) - } - return true -} - -func (c *twoPhaseCommitter) reCalRegionTxnSize(bo *Backoffer) error { - it := c.mapWithRegion(bo, committerTxnMutations{c, true}.Iter(nil, nil)) - var regionSizeCal regionTxnSizeCalculator - for { - m, err := it.Next() - if err != nil { - return errors.Trace(err) - } - if m.key == nil { - break - } - regionSizeCal.Process(m) - } - regionSizeCal.Finish(c) - return nil -} - -type lockKeysMutations struct { - keys [][]byte -} - -func (m lockKeysMutations) Iter(start, end []byte) mutationsIter { - it := &lockKeysMutationsIter{ - keys: m.keys, - end: end, - } - if len(start) != 0 { - it.idx = sort.Search(len(m.keys), func(i int) bool { - return bytes.Compare(m.keys[i], start) >= 0 - }) - } - return it -} - -func (m lockKeysMutations) Len() int { - return len(m.keys) -} - -type lockKeysMutationsIter struct { - keys [][]byte - idx int - end []byte - keep func([]byte) bool -} - -func (it *lockKeysMutationsIter) Next() mutation { - for ; it.idx < len(it.keys); it.idx++ { - key := it.keys[it.idx] - if it.keep != nil && !it.keep(key) { - continue - } - - if len(it.end) > 0 && bytes.Compare(key, it.end) >= 0 { - return mutation{} - } - - it.idx++ - return mutation{key: key} - } - return mutation{} -} - -func (it *lockKeysMutationsIter) WithFilter(f func([]byte) bool) { - it.keep = f -} - -type staticMutations struct { - mutations CommitterMutations -} - -func (m staticMutations) Iter(start, end []byte) mutationsIter { - it := &staticMutationsIter{ - mutations: m.mutations, - end: end, - } - if len(start) != 0 { - it.idx = sort.Search(len(m.mutations.keys), func(i int) bool { - return bytes.Compare(m.mutations.keys[i], start) >= 0 - }) - } - return it -} - -func (m staticMutations) Len() int { - return m.mutations.len() -} - -type staticMutationsIter struct { - mutations CommitterMutations - idx int - end []byte - keep func([]byte) bool -} - -func (it *staticMutationsIter) Next() mutation { - for ; it.idx < len(it.mutations.keys); it.idx++ { - m := mutation{ - key: it.mutations.keys[it.idx], - } - if len(it.end) > 0 && bytes.Compare(m.key, it.end) >= 0 { - return mutation{} - } - if it.idx < len(it.mutations.values) { - m.value = it.mutations.values[it.idx] - m.op = it.mutations.ops[it.idx] - m.isPessimisticLock = it.mutations.isPessimisticLock[it.idx] - } - if it.keep != nil && !it.keep(m.key) { - continue - } - - it.idx++ - return m - } - return mutation{} -} - -func (it *staticMutationsIter) WithFilter(f func([]byte) bool) { - it.keep = f -} - -type committerTxnMutations struct { - *twoPhaseCommitter - isPrewrite bool -} - -func (m committerTxnMutations) Iter(start, end []byte) mutationsIter { - return m.newMutationsIter(m.txn.GetMemBuffer().IterWithFlags(start, end), m.isPrewrite) -} - -func (m committerTxnMutations) Len() int { - base := m.txn.Len() - m.ignoredKeys - if m.isPrewrite { - return base - } - return base - m.prewriteOnlyKeys -} - -type txnMutationsIter struct { - src kv.MemBufferIterator - isPrewrite bool - isPessimistic bool - keep func(key []byte) bool - - prewriteOnlyKeys int - ignoredKeys int -} - -func (c *twoPhaseCommitter) newMutationsIter(src kv.MemBufferIterator, isPrewrite bool) *txnMutationsIter { - return &txnMutationsIter{ - src: src, - isPrewrite: isPrewrite, - isPessimistic: c.txn.IsPessimistic(), - } -} - -func (it *txnMutationsIter) WithFilter(f func(key []byte) bool) { - it.keep = f -} - -func (it *txnMutationsIter) Next() (m mutation) { - var err error - for src := it.src; src.Valid(); err = src.Next() { - _ = err - m.key = src.Key() - m.value = nil - m.isPessimisticLock = false - flags := src.Flags() - - if it.keep != nil && !it.keep(m.key) { - continue - } - - if flags.HasIgnoredIn2PC() { - continue - } - - if it.isPrewrite { - if ignored := it.fillMutationForPrewrite(&m, src); ignored { - // Because we will have discarded values in Commit phase, - // we must record the `ignore` decision in MemBuffer at here. - src.UpdateFlags(kv.SetIgnoredIn2PC) - it.ignoredKeys++ - continue - } - } else { - // For commit and cleanup, we only need keys. - if flags.HasPrewriteOnly() { - continue - } - } - - err = src.Next() - _ = err - return - } - return mutation{} -} - -func (it *txnMutationsIter) fillMutationForPrewrite(m *mutation, src kv.MemBufferIterator) bool { - flags := src.Flags() - - if !src.HasValue() { - if flags.HasLocked() { - m.op = pb.Op_Lock - } else { - // 2PC don't care other flags. - return true - } - } else { - m.value = src.Value() - if kv.IsTombstone(m.value) { - if !it.isPessimistic && flags.HasPresumeKeyNotExists() { - // delete-your-writes keys in optimistic txn need check not exists in prewrite-phase - // due to `Op_CheckNotExists` doesn't prewrite lock, so mark those keys should not be used in commit-phase. - m.op = pb.Op_CheckNotExists - src.UpdateFlags(kv.SetPrewriteOnly) - it.prewriteOnlyKeys++ - } else { - // normal delete keys in optimistic txn can be delete without not exists checking - // delete-your-writes keys in pessimistic txn can ensure must be no exists so can directly delete them - m.op = pb.Op_Del - } - } else { - if tablecodec.IsUntouchedIndexKValue(m.key, m.value) { - return true - } - m.op = pb.Op_Put - if flags.HasPresumeKeyNotExists() { - m.op = pb.Op_Insert - } - } - } - if flags.HasLocked() { - m.isPessimisticLock = it.isPessimistic - } - - return false -} - -type mutationWithRegionIter struct { - src mutationsIter - - rc *RegionCache - loc *KeyLocation - bo *Backoffer -} - -func (c *twoPhaseCommitter) mapWithRegion(bo *Backoffer, src mutationsIter) *mutationWithRegionIter { - return &mutationWithRegionIter{ - src: src, - rc: c.store.regionCache, - bo: bo, - } -} - -func (it *mutationWithRegionIter) Next() (mutationWithRegion, error) { - m := it.src.Next() - if m.key == nil { - return mutationWithRegion{}, nil - } - - var err error - if it.loc == nil || !it.loc.Contains(m.key) { - it.loc, err = it.rc.LocateKey(it.bo, m.key) - if err != nil { - return mutationWithRegion{}, errors.Trace(err) - } - } - - return mutationWithRegion{m, it.loc.Region}, nil -} - -type mutationBatchCollector struct { - src *mutationWithRegionIter - primaryKey []byte - limit int - done bool - onlyCollectKey bool - - curr mutationWithRegion - lenHint int -} - -func (c *twoPhaseCommitter) newBatchCollector(bo *Backoffer, src mutationsIter, limit int, isPrewrite bool) (*mutationBatchCollector, error) { - mutations := c.mapWithRegion(bo, src) - m, err := mutations.Next() - if err != nil { - return nil, err - } - - return &mutationBatchCollector{ - src: mutations, - curr: m, - limit: txnCommitBatchSize, - primaryKey: c.primaryKey, - onlyCollectKey: !isPrewrite, - }, nil -} - -func (c *mutationBatchCollector) Collect() (*batchMutations, error) { - if c.done { - return nil, nil - } - - var ( - mutations = NewCommiterMutations(c.lenHint) - region = c.curr.region - m = c.curr - isPrimary bool - size int - err error - ) - - for { - if m.key == nil { - c.done = true - break - } - - if c.onlyCollectKey { - mutations.keys = append(mutations.keys, m.key) - size += len(m.key) - } else { - mutations.Push(m.op, m.key, m.value, m.isPessimisticLock) - size += len(m.key) + len(m.value) - } - - if !isPrimary { - isPrimary = bytes.Equal(m.key, c.primaryKey) - } - - m, err = c.src.Next() - if err != nil { - return nil, errors.Trace(err) - } - - if size >= c.limit || m.region.id != region.id { - c.curr = m - break - } - } - - var ret *batchMutations - if mutations.len() != 0 { - c.lenHint = mutations.len() - ret = &batchMutations{ - mutations: mutations, - region: region, - isPrimary: isPrimary, - } - } - - return ret, nil -} - -func (c *mutationBatchCollector) Finished() bool { - return c.curr.key == nil -} diff --git a/store/tikv/cleanup.go b/store/tikv/cleanup.go index ba203d438f954..cf1a352d8dddd 100644 --- a/store/tikv/cleanup.go +++ b/store/tikv/cleanup.go @@ -38,7 +38,7 @@ func (actionCleanup) tiKVTxnRegionsNumHistogram() prometheus.Observer { func (actionCleanup) handleSingleBatch(c *twoPhaseCommitter, bo *Backoffer, batch batchMutations) error { req := tikvrpc.NewRequest(tikvrpc.CmdBatchRollback, &pb.BatchRollbackRequest{ - Keys: batch.mutations.keys, + Keys: batch.mutations.GetKeys(), StartVersion: c.startTS, }, pb.Context{Priority: c.priority, SyncLog: c.syncLog}) resp, err := c.store.SendReq(bo, req, batch.region, readTimeoutShort) diff --git a/store/tikv/commit.go b/store/tikv/commit.go index 9a4d28f30a8aa..5b157bb74afef 100644 --- a/store/tikv/commit.go +++ b/store/tikv/commit.go @@ -42,9 +42,10 @@ func (actionCommit) tiKVTxnRegionsNumHistogram() prometheus.Observer { } func (actionCommit) handleSingleBatch(c *twoPhaseCommitter, bo *Backoffer, batch batchMutations) error { + keys := batch.mutations.GetKeys() req := tikvrpc.NewRequest(tikvrpc.CmdCommit, &pb.CommitRequest{ StartVersion: c.startTS, - Keys: batch.mutations.keys, + Keys: keys, CommitVersion: c.commitTS, }, pb.Context{Priority: c.priority, SyncLog: c.syncLog}) @@ -131,7 +132,7 @@ func (actionCommit) handleSingleBatch(c *twoPhaseCommitter, bo *Backoffer, batch zap.Error(err), zap.Uint64("txnStartTS", c.startTS), zap.Uint64("commitTS", c.commitTS), - zap.Strings("keys", hexBatchKeys(batch.mutations.keys))) + zap.Strings("keys", hexBatchKeys(keys))) return errors.Trace(err) } // The transaction maybe rolled back by concurrent transactions. diff --git a/store/tikv/pessimistic.go b/store/tikv/pessimistic.go index df5836f7ee6c5..7e3cb6ba6e316 100644 --- a/store/tikv/pessimistic.go +++ b/store/tikv/pessimistic.go @@ -56,14 +56,14 @@ func (actionPessimisticRollback) tiKVTxnRegionsNumHistogram() prometheus.Observe } func (action actionPessimisticLock) handleSingleBatch(c *twoPhaseCommitter, bo *Backoffer, batch batchMutations) error { - m := &batch.mutations - mutations := make([]*pb.Mutation, m.len()) - for i := range m.keys { + m := batch.mutations + mutations := make([]*pb.Mutation, m.Len()) + for i := 0; i < m.Len(); i++ { mut := &pb.Mutation{ Op: pb.Op_PessimisticLock, - Key: m.keys[i], + Key: m.GetKey(i), } - if c.txn.us.HasPresumeKeyNotExists(m.keys[i]) { + if c.txn.us.HasPresumeKeyNotExists(m.GetKey(i)) { mut.Assertion = pb.Assertion_NotExist } mutations[i] = mut @@ -196,7 +196,7 @@ func (actionPessimisticRollback) handleSingleBatch(c *twoPhaseCommitter, bo *Bac req := tikvrpc.NewRequest(tikvrpc.CmdPessimisticRollback, &pb.PessimisticRollbackRequest{ StartVersion: c.startTS, ForUpdateTs: c.forUpdateTS, - Keys: batch.mutations.keys, + Keys: batch.mutations.GetKeys(), }) resp, err := c.store.SendReq(bo, req, batch.region, readTimeoutShort) if err != nil { diff --git a/store/tikv/prewrite.go b/store/tikv/prewrite.go index 05250737a5559..cbb67d0b2ee9c 100644 --- a/store/tikv/prewrite.go +++ b/store/tikv/prewrite.go @@ -44,14 +44,16 @@ func (actionPrewrite) tiKVTxnRegionsNumHistogram() prometheus.Observer { } func (c *twoPhaseCommitter) buildPrewriteRequest(batch batchMutations, txnSize uint64) *tikvrpc.Request { - m := &batch.mutations - mutations := make([]*pb.Mutation, m.len()) - for i := range m.keys { + m := batch.mutations + mutations := make([]*pb.Mutation, m.Len()) + isPessimisticLock := make([]bool, m.Len()) + for i := 0; i < m.Len(); i++ { mutations[i] = &pb.Mutation{ - Op: m.ops[i], - Key: m.keys[i], - Value: m.values[i], + Op: m.GetOp(i), + Key: m.GetKey(i), + Value: m.GetValue(i), } + isPessimisticLock[i] = m.IsPessimisticLock(i) } var minCommitTS uint64 if c.forUpdateTS > 0 { @@ -72,7 +74,7 @@ func (c *twoPhaseCommitter) buildPrewriteRequest(batch batchMutations, txnSize u PrimaryLock: c.primary(), StartVersion: c.startTS, LockTtl: c.lockTTL, - IsPessimisticLock: m.isPessimisticLock, + IsPessimisticLock: isPessimisticLock, ForUpdateTs: c.forUpdateTS, TxnSize: txnSize, MinCommitTs: minCommitTS, diff --git a/store/tikv/region_cache.go b/store/tikv/region_cache.go index 37582c919b40e..dad00982d5888 100644 --- a/store/tikv/region_cache.go +++ b/store/tikv/region_cache.go @@ -686,17 +686,17 @@ func (c *RegionCache) GroupSortedMutationsByRegion(bo *Backoffer, m CommitterMut lastLoc *KeyLocation ) lastUpperBound := 0 - for i := range m.keys { - if lastLoc == nil || !lastLoc.Contains(m.keys[i]) { + for i := 0; i < m.Len(); i++ { + if lastLoc == nil || !lastLoc.Contains(m.GetKey(i)) { if lastLoc != nil { groups = append(groups, groupedMutations{ region: lastLoc.Region, - mutations: m.subRange(lastUpperBound, i), + mutations: m.Slice(lastUpperBound, i), }) lastUpperBound = i } var err error - lastLoc, err = c.LocateKey(bo, m.keys[i]) + lastLoc, err = c.LocateKey(bo, m.GetKey(i)) if err != nil { return nil, errors.Trace(err) } @@ -705,7 +705,7 @@ func (c *RegionCache) GroupSortedMutationsByRegion(bo *Backoffer, m CommitterMut if lastLoc != nil { groups = append(groups, groupedMutations{ region: lastLoc.Region, - mutations: m.subRange(lastUpperBound, m.len()), + mutations: m.Slice(lastUpperBound, m.Len()), }) } return groups, nil diff --git a/store/tikv/split_region.go b/store/tikv/split_region.go index 6092bc6d48399..353b9f5a9e6e0 100644 --- a/store/tikv/split_region.go +++ b/store/tikv/split_region.go @@ -243,18 +243,14 @@ func (s *tikvStore) preSplitRegion(ctx context.Context, group groupedMutations) preSplitSizeThresholdVal := atomic.LoadUint32(&preSplitSizeThreshold) regionSize := 0 - keysLength := group.mutations.len() - valsLength := len(group.mutations.values) + keysLength := group.mutations.Len() // The value length maybe zero for pessimistic lock keys for i := 0; i < keysLength; i++ { - regionSize = regionSize + len(group.mutations.keys[i]) - if i < valsLength { - regionSize = regionSize + len(group.mutations.values[i]) - } + regionSize = regionSize + len(group.mutations.GetKey(i)) + len(group.mutations.GetValue(i)) // The second condition is used for testing. if regionSize >= int(preSplitSizeThresholdVal) { regionSize = 0 - splitKeys = append(splitKeys, group.mutations.keys[i]) + splitKeys = append(splitKeys, group.mutations.GetKey(i)) } } if len(splitKeys) == 0 { @@ -264,7 +260,7 @@ func (s *tikvStore) preSplitRegion(ctx context.Context, group groupedMutations) regionIDs, err := s.SplitRegions(ctx, splitKeys, true, nil) if err != nil { logutil.BgLogger().Warn("2PC split regions failed", zap.Uint64("regionID", group.region.id), - zap.Int("keys count", keysLength), zap.Int("values count", valsLength), zap.Error(err)) + zap.Int("keys count", keysLength), zap.Error(err)) return false } diff --git a/store/tikv/txn.go b/store/tikv/txn.go index be33ed4ab341c..cf9bbfe5f965f 100644 --- a/store/tikv/txn.go +++ b/store/tikv/txn.go @@ -52,7 +52,7 @@ var ( type SchemaAmender interface { // AmendTxn is the amend entry, new mutations will be generated based on input mutations using schema change info. // The returned results are mutations need to prewrite and mutations need to cleanup. - AmendTxn(ctx context.Context, startInfoSchema SchemaVer, change *RelatedSchemaChange, mutations CommitterMutations) (*CommitterMutations, error) + AmendTxn(ctx context.Context, startInfoSchema SchemaVer, change *RelatedSchemaChange, mutations CommitterMutations) (CommitterMutations, error) } // tikvTxn implements kv.Transaction. @@ -255,7 +255,7 @@ func (txn *tikvTxn) Commit(ctx context.Context) error { if err != nil { return errors.Trace(err) } - if committer.mutations.len() == 0 { + if committer.mutations.Len() == 0 { return nil } @@ -284,7 +284,7 @@ func (txn *tikvTxn) Commit(ctx context.Context) error { // latches enabled // for transactions which need to acquire latches start = time.Now() - lock := txn.store.txnLatches.Lock(committer.startTS, committer.mutations.keys) + lock := txn.store.txnLatches.Lock(committer.startTS, committer.mutations.GetKeys()) commitDetail := committer.getDetail() commitDetail.LocalLatchTime = time.Since(start) if commitDetail.LocalLatchTime > 0 { @@ -334,7 +334,7 @@ func (txn *tikvTxn) rollbackPessimisticLocks() error { } bo := NewBackofferWithVars(context.Background(), cleanupMaxBackoff, txn.vars) keys := txn.collectLockedKeys() - return txn.committer.pessimisticRollbackMutations(bo, CommitterMutations{keys: keys}) + return txn.committer.pessimisticRollbackMutations(bo, &PlainMutations{keys: keys}) } func (txn *tikvTxn) collectLockedKeys() [][]byte { @@ -445,7 +445,7 @@ func (txn *tikvTxn) LockKeys(ctx context.Context, lockCtx *kv.LockCtx, keysInput // If the number of keys greater than 1, it can be on different region, // concurrently execute on multiple regions may lead to deadlock. txn.committer.isFirstLock = txn.lockedCnt == 0 && len(keys) == 1 - err = txn.committer.pessimisticLockMutations(bo, lockCtx, CommitterMutations{keys: keys}) + err = txn.committer.pessimisticLockMutations(bo, lockCtx, &PlainMutations{keys: keys}) if bo.totalSleep > 0 { atomic.AddInt64(&lockCtx.Stats.BackoffTime, int64(bo.totalSleep)*int64(time.Millisecond)) lockCtx.Stats.Mu.Lock() @@ -534,7 +534,7 @@ func (txn *tikvTxn) asyncPessimisticRollback(ctx context.Context, keys [][]byte) failpoint.Inject("AsyncRollBackSleep", func() { time.Sleep(100 * time.Millisecond) }) - err := committer.pessimisticRollbackMutations(NewBackofferWithVars(ctx, pessimisticRollbackMaxBackoff, txn.vars), CommitterMutations{keys: keys}) + err := committer.pessimisticRollbackMutations(NewBackofferWithVars(ctx, pessimisticRollbackMaxBackoff, txn.vars), &PlainMutations{keys: keys}) if err != nil { logutil.Logger(ctx).Warn("[kv] pessimisticRollback failed.", zap.Error(err)) } From 937949f44d0d25e21f5a5722dbb334773de38db9 Mon Sep 17 00:00:00 2001 From: Long Deng <37360259+ldeng-ustc@users.noreply.github.com> Date: Mon, 19 Oct 2020 10:31:15 +0800 Subject: [PATCH 0045/1021] DDL: support drop partition on the partitioned table with global indexes (#19222) --- ddl/backfilling.go | 15 ++- ddl/db_partition_test.go | 39 +++++++ ddl/db_test.go | 26 +++++ ddl/ddl_worker.go | 4 +- ddl/index.go | 228 ++++++++++++++++++++++++++++++++------- ddl/partition.go | 170 +++++++++++++++++++++++------ ddl/reorg.go | 57 ++++++++++ tablecodec/tablecodec.go | 41 +++---- 8 files changed, 487 insertions(+), 93 deletions(-) diff --git a/ddl/backfilling.go b/ddl/backfilling.go index 5876ff3bf58ca..fd7600a273407 100644 --- a/ddl/backfilling.go +++ b/ddl/backfilling.go @@ -44,6 +44,7 @@ type backfillWorkerType byte const ( typeAddIndexWorker backfillWorkerType = 0 typeUpdateColumnWorker backfillWorkerType = 1 + typeCleanUpIndexWorker backfillWorkerType = 2 ) func (bWT backfillWorkerType) String() string { @@ -52,6 +53,8 @@ func (bWT backfillWorkerType) String() string { return "add index" case typeUpdateColumnWorker: return "update column" + case typeCleanUpIndexWorker: + return "clean up index" default: return "unknown" } @@ -512,16 +515,24 @@ func (w *worker) writePhysicalTableRecord(t table.PhysicalTable, bfWorkerType ba sessCtx := newContext(reorgInfo.d.store) sessCtx.GetSessionVars().StmtCtx.IsDDLJobInQueue = true - if bfWorkerType == typeAddIndexWorker { + switch bfWorkerType { + case typeAddIndexWorker: idxWorker := newAddIndexWorker(sessCtx, w, i, t, indexInfo, decodeColMap, reorgInfo.ReorgMeta.SQLMode) idxWorker.priority = job.Priority backfillWorkers = append(backfillWorkers, idxWorker.backfillWorker) go idxWorker.backfillWorker.run(reorgInfo.d, idxWorker) - } else { + case typeUpdateColumnWorker: updateWorker := newUpdateColumnWorker(sessCtx, w, i, t, oldColInfo, colInfo, decodeColMap, reorgInfo.ReorgMeta.SQLMode) updateWorker.priority = job.Priority backfillWorkers = append(backfillWorkers, updateWorker.backfillWorker) go updateWorker.backfillWorker.run(reorgInfo.d, updateWorker) + case typeCleanUpIndexWorker: + idxWorker := newCleanUpIndexWorker(sessCtx, w, i, t, decodeColMap, reorgInfo.ReorgMeta.SQLMode) + idxWorker.priority = job.Priority + backfillWorkers = append(backfillWorkers, idxWorker.backfillWorker) + go idxWorker.backfillWorker.run(reorgInfo.d, idxWorker) + default: + return errors.New("unknow backfill type") } } // Shrink the worker size. diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index c64642aecbeb5..3d89539f1400f 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -29,6 +29,7 @@ import ( "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" + "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/ddl" "github.com/pingcap/tidb/ddl/testutil" "github.com/pingcap/tidb/domain" @@ -1032,6 +1033,44 @@ func (s *testIntegrationSuite5) TestMultiPartitionDropAndTruncate(c *C) { result.Check(testkit.Rows(`2010`)) } +func (s *testIntegrationSuite7) TestDropPartitionWithGlobalIndex(c *C) { + config.UpdateGlobal(func(conf *config.Config) { + conf.EnableGlobalIndex = true + }) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists test_global") + tk.MustExec(`create table test_global ( a int, b int, c int) + partition by range( a ) ( + partition p1 values less than (10), + partition p2 values less than (20) + );`) + t := testGetTableByName(c, s.ctx, "test", "test_global") + pid := t.Meta().Partition.Definitions[1].ID + + tk.MustExec("Alter Table test_global Add Unique Index idx_b (b);") + tk.MustExec("Alter Table test_global Add Unique Index idx_c (c);") + tk.MustExec(`INSERT INTO test_global VALUES (1, 1, 1), (2, 2, 2), (11, 3, 3), (12, 4, 4)`) + + tk.MustExec("alter table test_global drop partition p2;") + result := tk.MustQuery("select * from test_global;") + result.Sort().Check(testkit.Rows(`1 1 1`, `2 2 2`)) + + t = testGetTableByName(c, s.ctx, "test", "test_global") + idxInfo := t.Meta().FindIndexByName("idx_b") + c.Assert(idxInfo, NotNil) + cnt := checkGlobalIndexCleanUpDone(c, s.ctx, t.Meta(), idxInfo, pid) + c.Assert(cnt, Equals, 2) + + idxInfo = t.Meta().FindIndexByName("idx_c") + c.Assert(idxInfo, NotNil) + cnt = checkGlobalIndexCleanUpDone(c, s.ctx, t.Meta(), idxInfo, pid) + c.Assert(cnt, Equals, 2) + config.UpdateGlobal(func(conf *config.Config) { + conf.EnableGlobalIndex = false + }) +} + func (s *testIntegrationSuite7) TestAlterTableExchangePartition(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/ddl/db_test.go b/ddl/db_test.go index 5b395ebf760f4..91847728faeca 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -1732,6 +1732,32 @@ func checkDelRangeDone(c *C, ctx sessionctx.Context, idx table.Index) { c.Assert(handles, HasLen, 0, Commentf("take time %v", time.Since(startTime))) } +func checkGlobalIndexCleanUpDone(c *C, ctx sessionctx.Context, tblInfo *model.TableInfo, idxInfo *model.IndexInfo, pid int64) int { + c.Assert(ctx.NewTxn(context.Background()), IsNil) + txn, err := ctx.Txn(true) + c.Assert(err, IsNil) + defer txn.Rollback() + + cnt := 0 + prefix := tablecodec.EncodeTableIndexPrefix(tblInfo.ID, idxInfo.ID) + it, err := txn.Iter(prefix, nil) + c.Assert(err, IsNil) + for it.Valid() { + if !it.Key().HasPrefix(prefix) { + break + } + segs := tablecodec.SplitIndexValue(it.Value()) + c.Assert(segs.PartitionID, NotNil) + _, pi, err := codec.DecodeInt(segs.PartitionID) + c.Assert(err, IsNil) + c.Assert(pi, Not(Equals), pid) + cnt++ + err = it.Next() + c.Assert(err, IsNil) + } + return cnt +} + func (s *testDBSuite5) TestAlterPrimaryKey(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("create table test_add_pk(a int, b int unsigned , c varchar(255) default 'abc', d int as (a+b), e int as (a+1) stored, index idx(b))") diff --git a/ddl/ddl_worker.go b/ddl/ddl_worker.go index d135e701ac88d..dd79b95876c72 100644 --- a/ddl/ddl_worker.go +++ b/ddl/ddl_worker.go @@ -622,7 +622,7 @@ func (w *worker) runDDLJob(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, case model.ActionDropTable, model.ActionDropView, model.ActionDropSequence: ver, err = onDropTableOrView(t, job) case model.ActionDropTablePartition: - ver, err = onDropTablePartition(d, t, job) + ver, err = w.onDropTablePartition(d, t, job) case model.ActionTruncateTablePartition: ver, err = onTruncateTablePartition(d, t, job) case model.ActionExchangeTablePartition: @@ -666,7 +666,7 @@ func (w *worker) runDDLJob(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, case model.ActionModifyTableAutoIdCache: ver, err = onModifyTableAutoIDCache(t, job) case model.ActionAddTablePartition: - ver, err = onAddTablePartition(d, t, job) + ver, err = w.onAddTablePartition(d, t, job) case model.ActionModifyTableCharsetAndCollate: ver, err = onModifyTableCharsetAndCollate(t, job) case model.ActionRecoverTable: diff --git a/ddl/index.go b/ddl/index.go index 7dfb922045896..9b06678bfc575 100644 --- a/ddl/index.go +++ b/ddl/index.go @@ -806,54 +806,59 @@ type indexRecord struct { skip bool // skip indicates that the index key is already exists, we should not add it. } -type addIndexWorker struct { +type baseIndexWorker struct { *backfillWorker - index table.Index + indexes []table.Index + metricCounter prometheus.Counter // The following attributes are used to reduce memory allocation. - defaultVals []types.Datum - idxRecords []*indexRecord - rowMap map[int64]types.Datum - rowDecoder *decoder.RowDecoder + defaultVals []types.Datum + idxRecords []*indexRecord + rowMap map[int64]types.Datum + rowDecoder *decoder.RowDecoder + + sqlMode mysql.SQLMode +} + +type addIndexWorker struct { + baseIndexWorker + index table.Index + + // The following attributes are used to reduce memory allocation. idxKeyBufs [][]byte batchCheckKeys []kv.Key distinctCheckFlags []bool - - sqlMode mysql.SQLMode } func newAddIndexWorker(sessCtx sessionctx.Context, worker *worker, id int, t table.PhysicalTable, indexInfo *model.IndexInfo, decodeColMap map[int64]decoder.Column, sqlMode mysql.SQLMode) *addIndexWorker { index := tables.NewIndex(t.GetPhysicalID(), t.Meta(), indexInfo) rowDecoder := decoder.NewRowDecoder(t, t.WritableCols(), decodeColMap) return &addIndexWorker{ - backfillWorker: newBackfillWorker(sessCtx, worker, id, t), - index: index, - metricCounter: metrics.BackfillTotalCounter.WithLabelValues("add_idx_speed"), - rowDecoder: rowDecoder, - defaultVals: make([]types.Datum, len(t.WritableCols())), - rowMap: make(map[int64]types.Datum, len(decodeColMap)), - sqlMode: sqlMode, + baseIndexWorker: baseIndexWorker{ + backfillWorker: newBackfillWorker(sessCtx, worker, id, t), + indexes: []table.Index{index}, + rowDecoder: rowDecoder, + defaultVals: make([]types.Datum, len(t.WritableCols())), + rowMap: make(map[int64]types.Datum, len(decodeColMap)), + metricCounter: metrics.BackfillTotalCounter.WithLabelValues("add_idx_speed"), + sqlMode: sqlMode, + }, + index: index, } } -func (w *addIndexWorker) AddMetricInfo(cnt float64) { +func (w *baseIndexWorker) AddMetricInfo(cnt float64) { w.metricCounter.Add(cnt) } // mockNotOwnerErrOnce uses to make sure `notOwnerErr` only mock error once. var mockNotOwnerErrOnce uint32 -// getIndexRecord gets index columns values from raw binary value row. -func (w *addIndexWorker) getIndexRecord(handle kv.Handle, recordKey []byte, rawRecord []byte) (*indexRecord, error) { - t := w.table - cols := t.WritableCols() - idxInfo := w.index.Meta() +// getIndexRecord gets index columns values use w.rowDecoder, and generate indexRecord. +func (w *baseIndexWorker) getIndexRecord(idxInfo *model.IndexInfo, handle kv.Handle, recordKey []byte) (*indexRecord, error) { + cols := w.table.WritableCols() sysZone := timeutil.SystemLocation() - _, err := w.rowDecoder.DecodeAndEvalRowWithMap(w.sessCtx, handle, rawRecord, time.UTC, sysZone, w.rowMap) - if err != nil { - return nil, errors.Trace(errCantDecodeRecord.GenWithStackByArgs("index", err)) - } failpoint.Inject("MockGetIndexRecordErr", func(val failpoint.Value) { if valStr, ok := val.(string); ok { switch valStr { @@ -874,6 +879,7 @@ func (w *addIndexWorker) getIndexRecord(handle kv.Handle, recordKey []byte, rawR } }) idxVal := make([]types.Datum, len(idxInfo.Columns)) + var err error for j, v := range idxInfo.Columns { col := cols[v.Offset] idxColumnVal, ok := w.rowMap[col.ID] @@ -898,21 +904,18 @@ func (w *addIndexWorker) getIndexRecord(handle kv.Handle, recordKey []byte, rawR } idxVal[j] = idxColumnVal } - // If there are generated column, rowDecoder will use column value that not in idxInfo.Columns to calculate - // the generated value, so we need to clear up the reusing map. - w.cleanRowMap() idxRecord := &indexRecord{handle: handle, key: recordKey, vals: idxVal} return idxRecord, nil } -func (w *addIndexWorker) cleanRowMap() { +func (w *baseIndexWorker) cleanRowMap() { for id := range w.rowMap { delete(w.rowMap, id) } } // getNextHandle gets next handle of entry that we are going to process. -func (w *addIndexWorker) getNextHandle(taskRange reorgBackfillTask, taskDone bool) (nextHandle kv.Handle) { +func (w *baseIndexWorker) getNextHandle(taskRange reorgBackfillTask, taskDone bool) (nextHandle kv.Handle) { if !taskDone { // The task is not done. So we need to pick the last processed entry's handle and add one. return w.idxRecords[len(w.idxRecords)-1].handle.Next() @@ -929,24 +932,33 @@ func (w *addIndexWorker) getNextHandle(taskRange reorgBackfillTask, taskDone boo return taskRange.endHandle.Next() } -// fetchRowColVals fetch w.batchCnt count rows that need to backfill indices, and build the corresponding indexRecord slice. +func (w *baseIndexWorker) updateRowDecoder(handle kv.Handle, recordKey []byte, rawRecord []byte) error { + sysZone := timeutil.SystemLocation() + _, err := w.rowDecoder.DecodeAndEvalRowWithMap(w.sessCtx, handle, rawRecord, time.UTC, sysZone, w.rowMap) + if err != nil { + return errors.Trace(errCantDecodeRecord.GenWithStackByArgs("index", err)) + } + return nil +} + +// fetchRowColVals fetch w.batchCnt count records that need to reorganize indices, and build the corresponding indexRecord slice. // fetchRowColVals returns: // 1. The corresponding indexRecord slice. // 2. Next handle of entry that we need to process. // 3. Boolean indicates whether the task is done. // 4. error occurs in fetchRowColVals. nil if no error occurs. -func (w *addIndexWorker) fetchRowColVals(txn kv.Transaction, taskRange reorgBackfillTask) ([]*indexRecord, kv.Handle, bool, error) { +func (w *baseIndexWorker) fetchRowColVals(txn kv.Transaction, taskRange reorgBackfillTask) ([]*indexRecord, kv.Handle, bool, error) { // TODO: use tableScan to prune columns. w.idxRecords = w.idxRecords[:0] startTime := time.Now() - // taskDone means that the added handle is out of taskRange.endHandle. + // taskDone means that the reorged handle is out of taskRange.endHandle. taskDone := false oprStartTime := startTime err := iterateSnapshotRows(w.sessCtx.GetStore(), w.priority, w.table, txn.StartTS(), taskRange.startHandle, taskRange.endHandle, taskRange.endIncluded, func(handle kv.Handle, recordKey kv.Key, rawRow []byte) (bool, error) { oprEndTime := time.Now() - logSlowOperations(oprEndTime.Sub(oprStartTime), "iterateSnapshotRows in addIndexWorker fetchRowColVals", 0) + logSlowOperations(oprEndTime.Sub(oprStartTime), "iterateSnapshotRows in baseIndexWorker fetchRowColVals", 0) oprStartTime = oprEndTime if !taskRange.endIncluded { @@ -959,12 +971,22 @@ func (w *addIndexWorker) fetchRowColVals(txn kv.Transaction, taskRange reorgBack return false, nil } - idxRecord, err1 := w.getIndexRecord(handle, recordKey, rawRow) - if err1 != nil { - return false, errors.Trace(err1) + // Decode one row, generate records of this row. + err := w.updateRowDecoder(handle, recordKey, rawRow) + if err != nil { + return false, err + } + for _, index := range w.indexes { + idxRecord, err1 := w.getIndexRecord(index.Meta(), handle, recordKey) + if err1 != nil { + return false, errors.Trace(err1) + } + w.idxRecords = append(w.idxRecords, idxRecord) } + // If there are generated column, rowDecoder will use column value that not in idxInfo.Columns to calculate + // the generated value, so we need to clear up the reusing map. + w.cleanRowMap() - w.idxRecords = append(w.idxRecords, idxRecord) if handle.Equal(taskRange.endHandle) { // If taskRange.endIncluded == false, we will not reach here when handle == taskRange.endHandle taskDone = true @@ -1235,6 +1257,136 @@ func indexColumnSliceEqual(a, b []*model.IndexColumn) bool { return true } +type cleanUpIndexWorker struct { + baseIndexWorker +} + +func newCleanUpIndexWorker(sessCtx sessionctx.Context, worker *worker, id int, t table.PhysicalTable, decodeColMap map[int64]decoder.Column, sqlMode mysql.SQLMode) *cleanUpIndexWorker { + indexes := make([]table.Index, 0, len(t.Indices())) + rowDecoder := decoder.NewRowDecoder(t, t.WritableCols(), decodeColMap) + for _, index := range t.Indices() { + if index.Meta().Global { + indexes = append(indexes, index) + } + } + return &cleanUpIndexWorker{ + baseIndexWorker: baseIndexWorker{ + backfillWorker: newBackfillWorker(sessCtx, worker, id, t), + indexes: indexes, + rowDecoder: rowDecoder, + defaultVals: make([]types.Datum, len(t.WritableCols())), + rowMap: make(map[int64]types.Datum, len(decodeColMap)), + metricCounter: metrics.BackfillTotalCounter.WithLabelValues("clean_up_idx_speed"), + sqlMode: sqlMode, + }, + } +} + +func (w *cleanUpIndexWorker) BackfillDataInTxn(handleRange reorgBackfillTask) (taskCtx backfillTaskContext, errInTxn error) { + failpoint.Inject("errorMockPanic", func(val failpoint.Value) { + if val.(bool) { + panic("panic test") + } + }) + + oprStartTime := time.Now() + errInTxn = kv.RunInNewTxn(w.sessCtx.GetStore(), true, func(txn kv.Transaction) error { + taskCtx.addedCount = 0 + taskCtx.scanCount = 0 + txn.SetOption(kv.Priority, w.priority) + + idxRecords, nextHandle, taskDone, err := w.fetchRowColVals(txn, handleRange) + if err != nil { + return errors.Trace(err) + } + taskCtx.nextHandle = nextHandle + taskCtx.done = taskDone + + n := len(w.indexes) + for i, idxRecord := range idxRecords { + taskCtx.scanCount++ + // we fetch records row by row, so records will belong to + // index[0], index[1] ... index[n-1], index[0], index[1] ... + // respectively. So indexes[i%n] is the index of idxRecords[i]. + err := w.indexes[i%n].Delete(w.sessCtx.GetSessionVars().StmtCtx, txn, idxRecord.vals, idxRecord.handle) + if err != nil { + return errors.Trace(err) + } + taskCtx.addedCount++ + } + return nil + }) + logSlowOperations(time.Since(oprStartTime), "cleanUpIndexBackfillDataInTxn", 3000) + + return +} + +// cleanupPhysicalTableIndex handles the drop partition reorganization state for a non-partitioned table or a partition. +func (w *worker) cleanupPhysicalTableIndex(t table.PhysicalTable, reorgInfo *reorgInfo) error { + logutil.BgLogger().Info("[ddl] start to clean up index", zap.String("job", reorgInfo.Job.String()), zap.String("reorgInfo", reorgInfo.String())) + return w.writePhysicalTableRecord(t.(table.PhysicalTable), typeCleanUpIndexWorker, nil, nil, nil, reorgInfo) +} + +// cleanupGlobalIndex handles the drop partition reorganization state to clean up index entries of partitions. +func (w *worker) cleanupGlobalIndexes(tbl table.PartitionedTable, partitionIDs []int64, reorgInfo *reorgInfo) error { + var err error + var finish bool + for !finish { + p := tbl.GetPartition(reorgInfo.PhysicalTableID) + if p == nil { + return errCancelledDDLJob.GenWithStack("Can not find partition id %d for table %d", reorgInfo.PhysicalTableID, tbl.Meta().ID) + } + err = w.cleanupPhysicalTableIndex(p, reorgInfo) + if err != nil { + break + } + finish, err = w.updateReorgInfoForPartitions(tbl, reorgInfo, partitionIDs) + if err != nil { + return errors.Trace(err) + } + } + + return errors.Trace(err) +} + +// updateReorgInfoForPartitions will find the next partition in partitionIDs according to current reorgInfo. +// If no more partitions, or table t is not a partitioned table, returns true to +// indicate that the reorganize work is finished. +func (w *worker) updateReorgInfoForPartitions(t table.PartitionedTable, reorg *reorgInfo, partitionIDs []int64) (bool, error) { + pi := t.Meta().GetPartitionInfo() + if pi == nil { + return true, nil + } + + var pid int64 + for i, pi := range partitionIDs { + if pi == reorg.PhysicalTableID { + if i == len(partitionIDs)-1 { + return true, nil + } + } + pid = partitionIDs[i+1] + } + + currentVer, err := getValidCurrentVersion(reorg.d.store) + if err != nil { + return false, errors.Trace(err) + } + start, end, err := getTableRange(reorg.d, t.GetPartition(pid), currentVer.Ver, reorg.Job.Priority) + if err != nil { + return false, errors.Trace(err) + } + reorg.StartHandle, reorg.EndHandle, reorg.PhysicalTableID = start, end, pid + + // Write the reorg info to store so the whole reorganize process can recover from panic. + err = reorg.UpdateReorgMeta(reorg.StartHandle) + logutil.BgLogger().Info("[ddl] job update reorgInfo", zap.Int64("jobID", reorg.Job.ID), + zap.ByteString("elementType", reorg.currElement.TypeKey), zap.Int64("elementID", reorg.currElement.ID), + zap.Int64("partitionTableID", pid), zap.String("startHandle", toString(start)), + zap.String("endHandle", toString(end)), zap.Error(err)) + return false, errors.Trace(err) +} + func findIndexesByColName(indexes []*model.IndexInfo, colName string) ([]*model.IndexInfo, []int) { idxInfos := make([]*model.IndexInfo, 0, len(indexes)) offsets := make([]int, 0, len(indexes)) diff --git a/ddl/partition.go b/ddl/partition.go index 2a038bd07b2ac..601bc2612dd5a 100644 --- a/ddl/partition.go +++ b/ddl/partition.go @@ -38,11 +38,13 @@ import ( "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/meta" + "github.com/pingcap/tidb/metrics" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/store/tikv" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" + tidbutil "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/codec" "github.com/pingcap/tidb/util/logutil" @@ -72,10 +74,10 @@ func checkAddPartition(t *meta.Meta, job *model.Job) (*model.TableInfo, *model.P return tblInfo, partInfo, []model.PartitionDefinition{}, nil } -func onAddTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, _ error) { +func (w *worker) onAddTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, _ error) { // Handle the rolling back job if job.IsRollingback() { - ver, err := onDropTablePartition(d, t, job) + ver, err := w.onDropTablePartition(d, t, job) if err != nil { return ver, errors.Trace(err) } @@ -947,10 +949,11 @@ func checkDropTablePartition(meta *model.TableInfo, partLowerNames []string) err return nil } -// removePartitionInfo each ddl job deletes a partition. -func removePartitionInfo(tblInfo *model.TableInfo, partLowerNames []string) []int64 { +// updateDroppingPartitionInfo move dropping partitions to DroppingDefinitions, and return partitionIDs +func updateDroppingPartitionInfo(tblInfo *model.TableInfo, partLowerNames []string) []int64 { oldDefs := tblInfo.Partition.Definitions newDefs := make([]model.PartitionDefinition, 0, len(oldDefs)-len(partLowerNames)) + droppingDefs := make([]model.PartitionDefinition, 0, len(partLowerNames)) pids := make([]int64, 0, len(partLowerNames)) // consider using a map to probe partLowerNames if too many partLowerNames @@ -964,12 +967,14 @@ func removePartitionInfo(tblInfo *model.TableInfo, partLowerNames []string) []in } if found { pids = append(pids, oldDefs[i].ID) + droppingDefs = append(droppingDefs, oldDefs[i]) } else { newDefs = append(newDefs, oldDefs[i]) } } tblInfo.Partition.Definitions = newDefs + tblInfo.Partition.DroppingDefinitions = droppingDefs return pids } @@ -983,14 +988,60 @@ func getPartitionDef(tblInfo *model.TableInfo, partName string) (index int, def return index, nil, table.ErrUnknownPartition.GenWithStackByArgs(partName, tblInfo.Name.O) } +func getPartitionIDsFromDefinitions(defs []model.PartitionDefinition) []int64 { + pids := make([]int64, 0, len(defs)) + for _, def := range defs { + pids = append(pids, def.ID) + } + return pids +} + +func hasGlobalIndex(tblInfo *model.TableInfo) bool { + for _, idxInfo := range tblInfo.Indices { + if idxInfo.Global { + return true + } + } + return false +} + +// getTableInfoWithDroppingPartitions builds oldTableInfo including dropping partitions, only used by onDropTablePartition. +func getTableInfoWithDroppingPartitions(t *model.TableInfo) *model.TableInfo { + p := t.Partition + nt := t.Clone() + np := *p + npd := make([]model.PartitionDefinition, 0, len(p.Definitions)+len(p.DroppingDefinitions)) + npd = append(npd, p.Definitions...) + npd = append(npd, p.DroppingDefinitions...) + np.Definitions = npd + np.DroppingDefinitions = nil + nt.Partition = &np + return nt +} + func buildPlacementDropBundle(partitionID int64) *placement.Bundle { return &placement.Bundle{ ID: placement.GroupID(partitionID), } } +func dropRuleBundles(d *ddlCtx, physicalTableIDs []int64) error { + if d.infoHandle != nil { + bundles := make([]*placement.Bundle, 0, len(physicalTableIDs)) + for _, ID := range physicalTableIDs { + oldBundle, ok := d.infoHandle.Get().BundleByName(placement.GroupID(ID)) + if ok && !oldBundle.IsEmpty() { + bundles = append(bundles, buildPlacementDropBundle(ID)) + } + } + err := infosync.PutRuleBundles(nil, bundles) + return err + } + return nil +} + // onDropTablePartition deletes old partition meta. -func onDropTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, _ error) { +func (w *worker) onDropTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, _ error) { var partNames []string if err := job.DecodeArgs(&partNames); err != nil { job.State = model.JobStateCancelled @@ -1004,46 +1055,103 @@ func onDropTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, _ if job.Type == model.ActionAddTablePartition { // It is rollbacked from adding table partition, just remove addingDefinitions from tableInfo. physicalTableIDs = rollbackAddingPartitionInfo(tblInfo) - } else { - // If an error occurs, it returns that it cannot delete all partitions or that the partition doesn't exist. - err = checkDropTablePartition(tblInfo, partNames) + err = dropRuleBundles(d, physicalTableIDs) if err != nil { job.State = model.JobStateCancelled + return ver, errors.Wrapf(err, "failed to notify PD the placement rules") + } + ver, err = updateVersionAndTableInfo(t, job, tblInfo, true) + if err != nil { return ver, errors.Trace(err) } - physicalTableIDs = removePartitionInfo(tblInfo, partNames) + job.FinishTableJob(model.JobStateRollbackDone, model.StateNone, ver, tblInfo) + job.Args = []interface{}{physicalTableIDs} + return ver, nil } - if d.infoHandle != nil { - bundles := make([]*placement.Bundle, 0, len(physicalTableIDs)) - for _, ID := range physicalTableIDs { - oldBundle, ok := d.infoHandle.Get().BundleByName(placement.GroupID(ID)) - if ok && !oldBundle.IsEmpty() { - bundles = append(bundles, buildPlacementDropBundle(ID)) - } + if job.State == model.JobStateRunning && job.SchemaState == model.StateNone { + // Manually set first state. + job.SchemaState = model.StatePublic + } + // In order to skip maintaining the state check in partitionDefinition, TiDB use droppingDefinition instead of state field. + // So here using `job.SchemaState` to judge what the stage of this job is. + originalState := job.SchemaState + switch job.SchemaState { + case model.StatePublic: + // If an error occurs, it returns that it cannot delete all partitions or that the partition doesn't exist. + err = checkDropTablePartition(tblInfo, partNames) + if err != nil { + job.State = model.JobStateCancelled + return ver, errors.Trace(err) } - - err = infosync.PutRuleBundles(nil, bundles) + err = dropRuleBundles(d, physicalTableIDs) if err != nil { job.State = model.JobStateCancelled return ver, errors.Wrapf(err, "failed to notify PD the placement rules") } - } + updateDroppingPartitionInfo(tblInfo, partNames) + job.SchemaState = model.StateDeleteOnly + ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != job.SchemaState) + case model.StateDeleteOnly: + // This state is not a real 'DeleteOnly' state, because tidb does not maintaining the state check in partitionDefinition. + // Insert this state to confirm all servers can not see the old partitions when reorg is running, + // so that no new data will be inserted into old partitions when reorganizing. + job.SchemaState = model.StateDeleteReorganization + ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != job.SchemaState) + case model.StateDeleteReorganization: + oldTblInfo := getTableInfoWithDroppingPartitions(tblInfo) + physicalTableIDs = getPartitionIDsFromDefinitions(tblInfo.Partition.DroppingDefinitions) + tbl, err := getTable(d.store, job.SchemaID, oldTblInfo) + if err != nil { + return ver, errors.Trace(err) + } + // If table has global indexes, we need reorg to clean up them. + if pt, ok := tbl.(table.PartitionedTable); ok && hasGlobalIndex(tblInfo) { + // Build elements for compatible with modify column type. elements will not be used when reorganizing. + elements := make([]*meta.Element, 0, len(tblInfo.Indices)) + for _, idxInfo := range tblInfo.Indices { + if idxInfo.Global { + elements = append(elements, &meta.Element{ID: idxInfo.ID, TypeKey: meta.IndexElementKey}) + } + } + reorgInfo, err := getReorgInfoFromPartitions(d, t, job, tbl, physicalTableIDs, elements) - ver, err = updateVersionAndTableInfo(t, job, tblInfo, true) - if err != nil { - return ver, errors.Trace(err) - } - // Finish this job. - if job.IsRollingback() { - job.FinishTableJob(model.JobStateRollbackDone, model.StateNone, ver, tblInfo) - } else { + if err != nil || reorgInfo.first { + // If we run reorg firstly, we should update the job snapshot version + // and then run the reorg next time. + return ver, errors.Trace(err) + } + err = w.runReorgJob(t, reorgInfo, tbl.Meta(), d.lease, func() (dropIndexErr error) { + defer tidbutil.Recover(metrics.LabelDDL, "onDropTablePartition", + func() { + dropIndexErr = errCancelledDDLJob.GenWithStack("drop partition panic") + }, false) + return w.cleanupGlobalIndexes(pt, physicalTableIDs, reorgInfo) + }) + if err != nil { + if errWaitReorgTimeout.Equal(err) { + // if timeout, we should return, check for the owner and re-wait job done. + return ver, nil + } + // Clean up the channel of notifyCancelReorgJob. Make sure it can't affect other jobs. + w.reorgCtx.cleanNotifyReorgCancel() + return ver, errors.Trace(err) + } + // Clean up the channel of notifyCancelReorgJob. Make sure it can't affect other jobs. + w.reorgCtx.cleanNotifyReorgCancel() + } + tblInfo.Partition.DroppingDefinitions = nil + ver, err = updateVersionAndTableInfo(t, job, tblInfo, true) + if err != nil { + return ver, errors.Trace(err) + } job.FinishTableJob(model.JobStateDone, model.StateNone, ver, tblInfo) + // A background job will be created to delete old partition data. + job.Args = []interface{}{physicalTableIDs} + default: + err = ErrInvalidDDLState.GenWithStackByArgs("partition", job.SchemaState) } - - // A background job will be created to delete old partition data. - job.Args = []interface{}{physicalTableIDs} - return ver, nil + return ver, errors.Trace(err) } func buildPlacementTruncateBundle(oldBundle *placement.Bundle, newID int64) *placement.Bundle { diff --git a/ddl/reorg.go b/ddl/reorg.go index 12ed72604ff16..08e37d288fe4e 100644 --- a/ddl/reorg.go +++ b/ddl/reorg.go @@ -604,6 +604,63 @@ func getReorgInfo(d *ddlCtx, t *meta.Meta, job *model.Job, tbl table.Table, elem return &info, nil } +func getReorgInfoFromPartitions(d *ddlCtx, t *meta.Meta, job *model.Job, tbl table.Table, partitionIDs []int64, elements []*meta.Element) (*reorgInfo, error) { + var ( + element *meta.Element + start kv.Handle + end kv.Handle + pid int64 + info reorgInfo + ) + if job.SnapshotVer == 0 { + info.first = true + // get the current version for reorganization if we don't have + ver, err := getValidCurrentVersion(d.store) + if err != nil { + return nil, errors.Trace(err) + } + pid = partitionIDs[0] + tb := tbl.(table.PartitionedTable).GetPartition(pid) + start, end, err = getTableRange(d, tb, ver.Ver, job.Priority) + if err != nil { + return nil, errors.Trace(err) + } + logutil.BgLogger().Info("[ddl] job get table range", + zap.Int64("jobID", job.ID), zap.Int64("physicalTableID", pid), + zap.String("startHandle", toString(start)), zap.String("endHandle", toString(end))) + + err = t.UpdateDDLReorgHandle(job, start, end, pid, elements[0]) + if err != nil { + return &info, errors.Trace(err) + } + // Update info should after data persistent. + job.SnapshotVer = ver.Ver + element = elements[0] + } else { + var err error + element, start, end, pid, err = t.GetDDLReorgHandle(job, tbl.Meta().IsCommonHandle) + if err != nil { + // If the reorg element doesn't exist, this reorg info should be saved by the older TiDB versions. + // It's compatible with the older TiDB versions. + // We'll try to remove it in the next major TiDB version. + if meta.ErrDDLReorgElementNotExist.Equal(err) { + job.SnapshotVer = 0 + logutil.BgLogger().Warn("[ddl] get reorg info, the element does not exist", zap.String("job", job.String())) + } + return &info, errors.Trace(err) + } + } + info.Job = job + info.d = d + info.StartHandle = start + info.EndHandle = end + info.PhysicalTableID = pid + info.currElement = element + info.elements = elements + + return &info, nil +} + func (r *reorgInfo) UpdateReorgMeta(startHandle kv.Handle) error { if startHandle == nil && r.EndHandle == nil { return nil diff --git a/tablecodec/tablecodec.go b/tablecodec/tablecodec.go index de18a1eb45813..4d11f4cacb7ab 100644 --- a/tablecodec/tablecodec.go +++ b/tablecodec/tablecodec.go @@ -1113,33 +1113,34 @@ func encodePartitionID(idxVal []byte, partitionID int64) []byte { return idxVal } -type indexValueSegments struct { - commonHandle []byte - partitionID []byte - restoredValues []byte - intHandle []byte +// IndexValueSegments use to store result of SplitIndexValue. +type IndexValueSegments struct { + CommonHandle []byte + PartitionID []byte + RestoredValues []byte + IntHandle []byte } -// splitIndexValue splits index value into segments. -func splitIndexValue(value []byte) (segs indexValueSegments) { +// SplitIndexValue splits index value into segments. +func SplitIndexValue(value []byte) (segs IndexValueSegments) { tailLen := int(value[0]) tail := value[len(value)-tailLen:] value = value[1 : len(value)-tailLen] if len(tail) >= 8 { - segs.intHandle = tail[:8] + segs.IntHandle = tail[:8] } if len(value) > 0 && value[0] == CommonHandleFlag { handleLen := uint16(value[1])<<8 + uint16(value[2]) handleEndOff := 3 + handleLen - segs.commonHandle = value[3:handleEndOff] + segs.CommonHandle = value[3:handleEndOff] value = value[handleEndOff:] } if len(value) > 0 && value[0] == PartitionIDFlag { - segs.partitionID = value[1:9] + segs.PartitionID = value[1:9] value = value[9:] } if len(value) > 0 && value[0] == RestoreDataFlag { - segs.restoredValues = value + segs.RestoredValues = value } return } @@ -1150,13 +1151,13 @@ func decodeIndexKvGeneral(key, value []byte, colsLen int, hdStatus HandleStatus, var keySuffix []byte var handle kv.Handle var err error - segs := splitIndexValue(value) + segs := SplitIndexValue(value) resultValues, keySuffix, err = CutIndexKeyNew(key, colsLen) if err != nil { return nil, err } - if segs.restoredValues != nil { // new collation - resultValues, err = decodeRestoredValues(columns[:colsLen], segs.restoredValues) + if segs.RestoredValues != nil { // new collation + resultValues, err = decodeRestoredValues(columns[:colsLen], segs.RestoredValues) if err != nil { return nil, err } @@ -1165,12 +1166,12 @@ func decodeIndexKvGeneral(key, value []byte, colsLen int, hdStatus HandleStatus, return resultValues, nil } - if segs.intHandle != nil { + if segs.IntHandle != nil { // In unique int handle index. - handle = decodeIntHandleInIndexValue(segs.intHandle) - } else if segs.commonHandle != nil { + handle = decodeIntHandleInIndexValue(segs.IntHandle) + } else if segs.CommonHandle != nil { // In unique common handle index. - handle, err = decodeHandleInIndexKey(segs.commonHandle) + handle, err = decodeHandleInIndexKey(segs.CommonHandle) if err != nil { return nil, err } @@ -1186,8 +1187,8 @@ func decodeIndexKvGeneral(key, value []byte, colsLen int, hdStatus HandleStatus, return nil, err } resultValues = append(resultValues, handleBytes...) - if segs.partitionID != nil { - _, pid, err := codec.DecodeInt(segs.partitionID) + if segs.PartitionID != nil { + _, pid, err := codec.DecodeInt(segs.PartitionID) if err != nil { return nil, err } From 4501f6d7ab8bd6073e03ee73f661a5fb68ca2710 Mon Sep 17 00:00:00 2001 From: Ping Yu Date: Mon, 19 Oct 2020 10:55:13 +0800 Subject: [PATCH 0046/1021] planner, executor: enable inline projection for Limit (#20288) --- cmd/explaintest/r/topn_push_down.result | 11 +- executor/benchmark_test.go | 117 ++++++++++++++++++ executor/builder.go | 11 ++ executor/executor.go | 29 ++++- executor/executor_test.go | 76 +++++++++--- .../transformation_rules_suite_out.json | 14 +-- planner/core/exhaust_physical_plans.go | 1 + planner/core/logical_plan_test.go | 19 +-- planner/core/logical_plans.go | 2 +- planner/core/physical_plans.go | 6 +- planner/core/plan.go | 16 +++ planner/core/rule_build_key_info.go | 18 +-- planner/core/rule_column_pruning.go | 10 ++ planner/core/testdata/plan_suite_in.json | 5 +- planner/core/testdata/plan_suite_out.json | 8 ++ .../testdata/plan_suite_unexported_in.json | 7 +- .../testdata/plan_suite_unexported_out.json | 38 ++++++ planner/core/util.go | 27 +++- 18 files changed, 338 insertions(+), 77 deletions(-) diff --git a/cmd/explaintest/r/topn_push_down.result b/cmd/explaintest/r/topn_push_down.result index faf5549b980b5..03f5ad84692b0 100644 --- a/cmd/explaintest/r/topn_push_down.result +++ b/cmd/explaintest/r/topn_push_down.result @@ -211,12 +211,11 @@ Apply_17 9990.00 root semi join, equal:[eq(test.t1.a, test.t2.a)] │ └─Selection_19 9990.00 cop[tikv] not(isnull(test.t1.a)) │ └─TableFullScan_18 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo └─Selection_21(Probe) 0.80 root not(isnull(test.t2.a)) - └─Projection_22 1.00 root test.t2.a - └─Limit_23 1.00 root offset:0, count:1 - └─TableReader_29 1.00 root data:Limit_28 - └─Limit_28 1.00 cop[tikv] offset:0, count:1 - └─Selection_27 1.00 cop[tikv] gt(test.t2.b, test.t1.b) - └─TableFullScan_26 1.25 cop[tikv] table:t2 keep order:false, stats:pseudo + └─Limit_23 1.00 root offset:0, count:1 + └─TableReader_29 1.00 root data:Limit_28 + └─Limit_28 1.00 cop[tikv] offset:0, count:1 + └─Selection_27 1.00 cop[tikv] gt(test.t2.b, test.t1.b) + └─TableFullScan_26 1.25 cop[tikv] table:t2 keep order:false, stats:pseudo drop table if exists t; create table t(a int not null, index idx(a)); explain select /*+ TIDB_INLJ(t2) */ * from t t1 join t t2 on t1.a = t2.a limit 5; diff --git a/executor/benchmark_test.go b/executor/benchmark_test.go index 8afe822ce8f12..c01f61f4557e5 100644 --- a/executor/benchmark_test.go +++ b/executor/benchmark_test.go @@ -1709,3 +1709,120 @@ func BenchmarkSortExec(b *testing.B) { }) } } + +type limitCase struct { + rows int + offset int + count int + childUsedSchema []bool + usingInlineProjection bool + ctx sessionctx.Context +} + +func (tc limitCase) columns() []*expression.Column { + return []*expression.Column{ + {Index: 0, RetType: types.NewFieldType(mysql.TypeLonglong)}, + {Index: 1, RetType: types.NewFieldType(mysql.TypeLonglong)}, + } +} + +func (tc limitCase) String() string { + return fmt.Sprintf("(rows:%v, offset:%v, count:%v, inline_projection:%v)", + tc.rows, tc.offset, tc.count, tc.usingInlineProjection) +} + +func defaultLimitTestCase() *limitCase { + ctx := mock.NewContext() + ctx.GetSessionVars().InitChunkSize = variable.DefInitChunkSize + ctx.GetSessionVars().MaxChunkSize = variable.DefMaxChunkSize + ctx.GetSessionVars().StmtCtx.MemTracker = memory.NewTracker(-1, -1) + tc := &limitCase{ + rows: 30000, + offset: 10000, + count: 10000, + childUsedSchema: []bool{false, true}, + usingInlineProjection: false, + ctx: ctx, + } + return tc +} + +func benchmarkLimitExec(b *testing.B, cas *limitCase) { + opt := mockDataSourceParameters{ + schema: expression.NewSchema(cas.columns()...), + rows: cas.rows, + ctx: cas.ctx, + } + dataSource := buildMockDataSource(opt) + var exec Executor + limit := &LimitExec{ + baseExecutor: newBaseExecutor(cas.ctx, dataSource.schema, 4, dataSource), + begin: uint64(cas.offset), + end: uint64(cas.offset + cas.count), + } + if cas.usingInlineProjection { + if len(cas.childUsedSchema) > 0 { + limit.columnIdxsUsedByChild = make([]int, 0, len(cas.childUsedSchema)) + for i, used := range cas.childUsedSchema { + if used { + limit.columnIdxsUsedByChild = append(limit.columnIdxsUsedByChild, i) + } + } + } + exec = limit + } else { + columns := cas.columns() + usedCols := make([]*expression.Column, 0, len(columns)) + exprs := make([]expression.Expression, 0, len(columns)) + for i, used := range cas.childUsedSchema { + if used { + usedCols = append(usedCols, columns[i]) + exprs = append(exprs, columns[i]) + } + } + proj := &ProjectionExec{ + baseExecutor: newBaseExecutor(cas.ctx, expression.NewSchema(usedCols...), 0, limit), + numWorkers: 1, + evaluatorSuit: expression.NewEvaluatorSuite(exprs, false), + } + exec = proj + } + + b.ResetTimer() + for i := 0; i < b.N; i++ { + b.StopTimer() + tmpCtx := context.Background() + chk := newFirstChunk(exec) + dataSource.prepareChunks() + + b.StartTimer() + if err := exec.Open(tmpCtx); err != nil { + b.Fatal(err) + } + for { + if err := exec.Next(tmpCtx, chk); err != nil { + b.Fatal(err) + } + if chk.NumRows() == 0 { + break + } + } + + if err := exec.Close(); err != nil { + b.Fatal(err) + } + b.StopTimer() + } +} + +func BenchmarkLimitExec(b *testing.B) { + b.ReportAllocs() + cas := defaultLimitTestCase() + usingInlineProjection := []bool{false, true} + for _, inlineProjection := range usingInlineProjection { + cas.usingInlineProjection = inlineProjection + b.Run(fmt.Sprintf("%v", cas), func(b *testing.B) { + benchmarkLimitExec(b, cas) + }) + } +} diff --git a/executor/builder.go b/executor/builder.go index 10e0ef23ccaa8..e0ff3e1f0f2d2 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -614,6 +614,17 @@ func (b *executorBuilder) buildLimit(v *plannercore.PhysicalLimit) Executor { begin: v.Offset, end: v.Offset + v.Count, } + + childUsedSchema := markChildrenUsedCols(v.Schema(), v.Children()[0].Schema())[0] + e.columnIdxsUsedByChild = make([]int, 0, len(childUsedSchema)) + for i, used := range childUsedSchema { + if used { + e.columnIdxsUsedByChild = append(e.columnIdxsUsedByChild, i) + } + } + if len(e.columnIdxsUsedByChild) == len(childUsedSchema) { + e.columnIdxsUsedByChild = nil // indicates that all columns are used. LimitExec will improve performance for this condition. + } return e } diff --git a/executor/executor.go b/executor/executor.go index 4eb6c7f9f0413..5198644d5f4be 100644 --- a/executor/executor.go +++ b/executor/executor.go @@ -995,6 +995,9 @@ type LimitExec struct { meetFirstBatch bool childResult *chunk.Chunk + + // columnIdxsUsedByChild keep column indexes of child executor used for inline projection + columnIdxsUsedByChild []int } // Next implements the Executor Next interface. @@ -1025,26 +1028,42 @@ func (e *LimitExec) Next(ctx context.Context, req *chunk.Chunk) error { if begin == end { break } - req.Append(e.childResult, int(begin), int(end)) + if e.columnIdxsUsedByChild != nil { + req.Append(e.childResult.Prune(e.columnIdxsUsedByChild), int(begin), int(end)) + } else { + req.Append(e.childResult, int(begin), int(end)) + } return nil } e.cursor += batchSize } - e.adjustRequiredRows(req) - err := Next(ctx, e.children[0], req) + e.childResult.Reset() + e.childResult = e.childResult.SetRequiredRows(req.RequiredRows(), e.maxChunkSize) + e.adjustRequiredRows(e.childResult) + err := Next(ctx, e.children[0], e.childResult) if err != nil { return err } - batchSize := uint64(req.NumRows()) + batchSize := uint64(e.childResult.NumRows()) // no more data. if batchSize == 0 { return nil } if e.cursor+batchSize > e.end { - req.TruncateTo(int(e.end - e.cursor)) + e.childResult.TruncateTo(int(e.end - e.cursor)) batchSize = e.end - e.cursor } e.cursor += batchSize + + if e.columnIdxsUsedByChild != nil { + for i, childIdx := range e.columnIdxsUsedByChild { + if err = req.SwapColumn(i, e.childResult, childIdx); err != nil { + return err + } + } + } else { + req.SwapColumns(e.childResult) + } return nil } diff --git a/executor/executor_test.go b/executor/executor_test.go index afd2fad4d1df6..35e787bda66e5 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -3691,44 +3691,86 @@ func (s *testSuite) TestLimit(c *C) { tk.MustExec(`use test;`) tk.MustExec(`drop table if exists t;`) tk.MustExec(`create table t(a bigint, b bigint);`) - tk.MustExec(`insert into t values(1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6);`) + tk.MustExec(`insert into t values(1, 1), (2, 2), (3, 30), (4, 40), (5, 5), (6, 6);`) tk.MustQuery(`select * from t order by a limit 1, 1;`).Check(testkit.Rows( "2 2", )) tk.MustQuery(`select * from t order by a limit 1, 2;`).Check(testkit.Rows( "2 2", - "3 3", + "3 30", )) tk.MustQuery(`select * from t order by a limit 1, 3;`).Check(testkit.Rows( "2 2", - "3 3", - "4 4", + "3 30", + "4 40", )) tk.MustQuery(`select * from t order by a limit 1, 4;`).Check(testkit.Rows( "2 2", - "3 3", - "4 4", + "3 30", + "4 40", "5 5", )) + + // test inline projection + tk.MustQuery(`select a from t where a > 0 limit 1, 1;`).Check(testkit.Rows( + "2", + )) + tk.MustQuery(`select a from t where a > 0 limit 1, 2;`).Check(testkit.Rows( + "2", + "3", + )) + tk.MustQuery(`select b from t where a > 0 limit 1, 3;`).Check(testkit.Rows( + "2", + "30", + "40", + )) + tk.MustQuery(`select b from t where a > 0 limit 1, 4;`).Check(testkit.Rows( + "2", + "30", + "40", + "5", + )) + + // test @@tidb_init_chunk_size=2 tk.MustExec(`set @@tidb_init_chunk_size=2;`) - tk.MustQuery(`select * from t order by a limit 2, 1;`).Check(testkit.Rows( - "3 3", + tk.MustQuery(`select * from t where a > 0 limit 2, 1;`).Check(testkit.Rows( + "3 30", )) - tk.MustQuery(`select * from t order by a limit 2, 2;`).Check(testkit.Rows( - "3 3", - "4 4", + tk.MustQuery(`select * from t where a > 0 limit 2, 2;`).Check(testkit.Rows( + "3 30", + "4 40", )) - tk.MustQuery(`select * from t order by a limit 2, 3;`).Check(testkit.Rows( - "3 3", - "4 4", + tk.MustQuery(`select * from t where a > 0 limit 2, 3;`).Check(testkit.Rows( + "3 30", + "4 40", "5 5", )) - tk.MustQuery(`select * from t order by a limit 2, 4;`).Check(testkit.Rows( - "3 3", - "4 4", + tk.MustQuery(`select * from t where a > 0 limit 2, 4;`).Check(testkit.Rows( + "3 30", + "4 40", "5 5", "6 6", )) + + // test inline projection + tk.MustQuery(`select a from t order by a limit 2, 1;`).Check(testkit.Rows( + "3", + )) + tk.MustQuery(`select b from t order by a limit 2, 2;`).Check(testkit.Rows( + "30", + "40", + )) + tk.MustQuery(`select a from t order by a limit 2, 3;`).Check(testkit.Rows( + "3", + "4", + "5", + )) + tk.MustQuery(`select b from t order by a limit 2, 4;`).Check(testkit.Rows( + "30", + "40", + "5", + "6", + )) } func (s *testSuite) TestCoprocessorStreamingWarning(c *C) { diff --git a/planner/cascades/testdata/transformation_rules_suite_out.json b/planner/cascades/testdata/transformation_rules_suite_out.json index 0c3ecf988592b..4d0c3cad6d735 100644 --- a/planner/cascades/testdata/transformation_rules_suite_out.json +++ b/planner/cascades/testdata/transformation_rules_suite_out.json @@ -352,7 +352,7 @@ "Result": [ "Group#0 Schema:[test.t.b]", " Projection_5 input:[Group#1], test.t.b", - "Group#1 Schema:[test.t.b,test.t.a]", + "Group#1 Schema:[test.t.b]", " Projection_2 input:[Group#2], test.t.b, test.t.a", "Group#2 Schema:[test.t.a,test.t.b]", " TopN_7 input:[Group#3], test.t.a, offset:0, count:2", @@ -384,7 +384,7 @@ "Result": [ "Group#0 Schema:[Column#14]", " Projection_5 input:[Group#1], Column#13", - "Group#1 Schema:[Column#13,test.t.a]", + "Group#1 Schema:[Column#13]", " Projection_2 input:[Group#2], plus(test.t.a, test.t.b)->Column#13, test.t.a", "Group#2 Schema:[test.t.a,test.t.b]", " TopN_7 input:[Group#3], test.t.a, offset:2, count:1", @@ -401,7 +401,7 @@ "Result": [ "Group#0 Schema:[test.t.c]", " Projection_5 input:[Group#1], test.t.c", - "Group#1 Schema:[test.t.c,test.t.a]", + "Group#1 Schema:[test.t.c]", " Projection_2 input:[Group#2], test.t.c, test.t.a", "Group#2 Schema:[test.t.a,test.t.c]", " TopN_7 input:[Group#3], test.t.a, offset:0, count:1", @@ -425,7 +425,7 @@ "Result": [ "Group#0 Schema:[test.t.c]", " Projection_5 input:[Group#1], test.t.c", - "Group#1 Schema:[test.t.c,test.t.a,test.t.b]", + "Group#1 Schema:[test.t.c]", " Projection_2 input:[Group#2], test.t.c, test.t.a, test.t.b", "Group#2 Schema:[test.t.a,test.t.b,test.t.c]", " TopN_7 input:[Group#3], plus(test.t.a, test.t.b), offset:0, count:1", @@ -473,7 +473,7 @@ " TableScan_15 table:t1, pk col:test.t.a", "Group#3 Schema:[test.t.a]", " Projection_9 input:[Group#5], test.t.a", - "Group#5 Schema:[test.t.a,Column#25]", + "Group#5 Schema:[test.t.a]", " Projection_6 input:[Group#6], test.t.a, Column#25", "Group#6 Schema:[test.t.a,Column#25]", " Projection_5 input:[Group#7], test.t.a, test.t.b", @@ -1645,10 +1645,8 @@ "SQL": "select a from (select a, b from t order by b limit 10) as t1", "Result": [ "Group#0 Schema:[test.t.a]", - " Projection_5 input:[Group#1], test.t.a", + " TopN_6 input:[Group#1], test.t.b, offset:0, count:10", "Group#1 Schema:[test.t.a,test.t.b]", - " TopN_6 input:[Group#2], test.t.b, offset:0, count:10", - "Group#2 Schema:[test.t.a,test.t.b]", " DataSource_1 table:t" ] } diff --git a/planner/core/exhaust_physical_plans.go b/planner/core/exhaust_physical_plans.go index 3b67e8f66fd78..a57c9cdc8bb0d 100644 --- a/planner/core/exhaust_physical_plans.go +++ b/planner/core/exhaust_physical_plans.go @@ -2134,6 +2134,7 @@ func (p *LogicalLimit) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([] Offset: p.Offset, Count: p.Count, }.Init(p.ctx, p.stats, p.blockOffset, resultProp) + limit.SetSchema(p.Schema()) ret = append(ret, limit) } return ret, true diff --git a/planner/core/logical_plan_test.go b/planner/core/logical_plan_test.go index 704af732ea96d..d8634c3252a56 100644 --- a/planner/core/logical_plan_test.go +++ b/planner/core/logical_plan_test.go @@ -612,26 +612,13 @@ func (s *testPlanSuite) TestAllocID(c *C) { } func (s *testPlanSuite) checkDataSourceCols(p LogicalPlan, c *C, ans map[int][]string, comment CommentInterface) { - switch p.(type) { - case *DataSource: + switch v := p.(type) { + case *DataSource, *LogicalUnionAll, *LogicalLimit: s.testData.OnRecord(func() { ans[p.ID()] = make([]string, p.Schema().Len()) }) colList, ok := ans[p.ID()] - c.Assert(ok, IsTrue, Commentf("For %v DataSource ID %d Not found", comment, p.ID())) - c.Assert(len(p.Schema().Columns), Equals, len(colList), comment) - for i, col := range p.Schema().Columns { - s.testData.OnRecord(func() { - colList[i] = col.String() - }) - c.Assert(col.String(), Equals, colList[i], comment) - } - case *LogicalUnionAll: - s.testData.OnRecord(func() { - ans[p.ID()] = make([]string, p.Schema().Len()) - }) - colList, ok := ans[p.ID()] - c.Assert(ok, IsTrue, Commentf("For %v UnionAll ID %d Not found", comment, p.ID())) + c.Assert(ok, IsTrue, Commentf("For %v %T ID %d Not found", comment, v, p.ID())) c.Assert(len(p.Schema().Columns), Equals, len(colList), comment) for i, col := range p.Schema().Columns { s.testData.OnRecord(func() { diff --git a/planner/core/logical_plans.go b/planner/core/logical_plans.go index 9f26f1f211924..269fae3c12327 100644 --- a/planner/core/logical_plans.go +++ b/planner/core/logical_plans.go @@ -1007,7 +1007,7 @@ func (lt *LogicalTopN) isLimit() bool { // LogicalLimit represents offset and limit plan. type LogicalLimit struct { - baseLogicalPlan + logicalSchemaProducer Offset uint64 Count uint64 diff --git a/planner/core/physical_plans.go b/planner/core/physical_plans.go index dc83337f46410..85b1e8ea1c5fa 100644 --- a/planner/core/physical_plans.go +++ b/planner/core/physical_plans.go @@ -862,7 +862,7 @@ type PhysicalLock struct { // PhysicalLimit is the physical operator of Limit. type PhysicalLimit struct { - basePhysicalPlan + physicalSchemaProducer Offset uint64 Count uint64 @@ -872,11 +872,11 @@ type PhysicalLimit struct { func (p *PhysicalLimit) Clone() (PhysicalPlan, error) { cloned := new(PhysicalLimit) *cloned = *p - base, err := p.basePhysicalPlan.cloneWithSelf(cloned) + base, err := p.physicalSchemaProducer.cloneWithSelf(cloned) if err != nil { return nil, err } - cloned.basePhysicalPlan = *base + cloned.physicalSchemaProducer = *base return cloned, nil } diff --git a/planner/core/plan.go b/planner/core/plan.go index 5f9c853cf4f84..64271900c4e15 100644 --- a/planner/core/plan.go +++ b/planner/core/plan.go @@ -417,6 +417,22 @@ func (p *baseLogicalPlan) BuildKeyInfo(selfSchema *expression.Schema, childSchem func (p *logicalSchemaProducer) BuildKeyInfo(selfSchema *expression.Schema, childSchema []*expression.Schema) { selfSchema.Keys = nil p.baseLogicalPlan.BuildKeyInfo(selfSchema, childSchema) + + // default implementation for plans has only one child: proprgate child keys + // multi-children plans are likely to have particular implementation. + if len(childSchema) == 1 { + for _, key := range childSchema[0].Keys { + indices := selfSchema.ColumnsIndices(key) + if indices == nil { + continue + } + newKey := make([]*expression.Column, 0, len(key)) + for _, i := range indices { + newKey = append(newKey, selfSchema.Columns[i]) + } + selfSchema.Keys = append(selfSchema.Keys, newKey) + } + } } func newBasePlan(ctx sessionctx.Context, tp string, offset int) basePlan { diff --git a/planner/core/rule_build_key_info.go b/planner/core/rule_build_key_info.go index 4e32e518367a2..c1a9edd48c24c 100644 --- a/planner/core/rule_build_key_info.go +++ b/planner/core/rule_build_key_info.go @@ -47,17 +47,6 @@ func (la *LogicalAggregation) BuildKeyInfo(selfSchema *expression.Schema, childS return } la.logicalSchemaProducer.BuildKeyInfo(selfSchema, childSchema) - for _, key := range childSchema[0].Keys { - indices := selfSchema.ColumnsIndices(key) - if indices == nil { - continue - } - newKey := make([]*expression.Column, 0, len(key)) - for _, i := range indices { - newKey = append(newKey, selfSchema.Columns[i]) - } - selfSchema.Keys = append(selfSchema.Keys, newKey) - } groupByCols := la.GetGroupByCols() if len(groupByCols) == len(la.GroupByItems) && len(la.GroupByItems) > 0 { indices := selfSchema.ColumnsIndices(groupByCols) @@ -107,7 +96,7 @@ func (p *LogicalSelection) BuildKeyInfo(selfSchema *expression.Schema, childSche // BuildKeyInfo implements LogicalPlan BuildKeyInfo interface. func (p *LogicalLimit) BuildKeyInfo(selfSchema *expression.Schema, childSchema []*expression.Schema) { - p.baseLogicalPlan.BuildKeyInfo(selfSchema, childSchema) + p.logicalSchemaProducer.BuildKeyInfo(selfSchema, childSchema) if p.Count == 1 { p.maxOneRow = true } @@ -149,7 +138,10 @@ func (p *LogicalProjection) buildSchemaByExprs(selfSchema *expression.Schema) *e // BuildKeyInfo implements LogicalPlan BuildKeyInfo interface. func (p *LogicalProjection) BuildKeyInfo(selfSchema *expression.Schema, childSchema []*expression.Schema) { - p.logicalSchemaProducer.BuildKeyInfo(selfSchema, childSchema) + // `LogicalProjection` use schema from `Exprs` to build key info. See `buildSchemaByExprs`. + // So call `baseLogicalPlan.BuildKeyInfo` here to avoid duplicated building key info. + p.baseLogicalPlan.BuildKeyInfo(selfSchema, childSchema) + selfSchema.Keys = nil schema := p.buildSchemaByExprs(selfSchema) for _, key := range childSchema[0].Keys { indices := schema.ColumnsIndices(key) diff --git a/planner/core/rule_column_pruning.go b/planner/core/rule_column_pruning.go index d482e41724e0b..9b2a49c0292a3 100644 --- a/planner/core/rule_column_pruning.go +++ b/planner/core/rule_column_pruning.go @@ -430,6 +430,16 @@ func (p *LogicalWindow) extractUsedCols(parentUsedCols []*expression.Column) []* return parentUsedCols } +// PruneColumns implements LogicalPlan interface. +func (p *LogicalLimit) PruneColumns(parentUsedCols []*expression.Column) error { + if len(parentUsedCols) == 0 { // happens when LIMIT appears in UPDATE. + return nil + } + + p.inlineProjection(parentUsedCols) + return p.children[0].PruneColumns(parentUsedCols) +} + func (*columnPruner) name() string { return "column_prune" } diff --git a/planner/core/testdata/plan_suite_in.json b/planner/core/testdata/plan_suite_in.json index c642bd129f1b2..f2a2312152469 100644 --- a/planner/core/testdata/plan_suite_in.json +++ b/planner/core/testdata/plan_suite_in.json @@ -126,7 +126,10 @@ "select * from ((SELECT 1 a,6 b) UNION (SELECT 2,5) UNION (SELECT 2, 4) ORDER BY 1) t order by 1, 2", "select * from (select *, NULL as xxx from t) t order by xxx", "select * from t use index(f) where f = 1 and a = 1", - "select * from t2 use index(b) where b = 1 and a = 1" + "select * from t2 use index(b) where b = 1 and a = 1", + // Test inline project for Limit + "select f from t where a > 1", + "select f from t where a > 1 limit 10" ] }, { diff --git a/planner/core/testdata/plan_suite_out.json b/planner/core/testdata/plan_suite_out.json index 4fba9a92251d2..f0b2a3e652a02 100644 --- a/planner/core/testdata/plan_suite_out.json +++ b/planner/core/testdata/plan_suite_out.json @@ -378,6 +378,14 @@ { "SQL": "select * from t2 use index(b) where b = 1 and a = 1", "Best": "PointGet(Index(t2.b)[KindInt64 1])->Sel([eq(test.t2.a, 1)])" + }, + { + "SQL": "select f from t where a > 1", + "Best": "TableReader(Table(t))->Projection" + }, + { + "SQL": "select f from t where a > 1 limit 10", + "Best": "TableReader(Table(t)->Limit)->Limit" } ] }, diff --git a/planner/core/testdata/plan_suite_unexported_in.json b/planner/core/testdata/plan_suite_unexported_in.json index 41aef7bec4ccc..2f0f2ca3f9d9d 100644 --- a/planner/core/testdata/plan_suite_unexported_in.json +++ b/planner/core/testdata/plan_suite_unexported_in.json @@ -362,7 +362,9 @@ "select f, g, sum(a) from t", "select * from t t1 join t t2 on t1.a = t2.e", "select f from t having sum(a) > 0", - "select * from t t1 left join t t2 on t1.a = t2.a" + "select * from t t1 left join t t2 on t1.a = t2.a", + "select a from t where b > 0", + "select a from t where b > 0 limit 5" ] }, { @@ -399,7 +401,8 @@ "select t01.a from (select a from t t21 union all select a from t t22) t2 join t t01 on 1 left outer join t t3 on 1 join t t4 on 1", "select 1 from (select count(b) as cnt from t) t1", "select count(1) from (select count(b) as cnt from t) t1", - "select count(1) from (select count(b) as cnt from t group by c) t1" + "select count(1) from (select count(b) as cnt from t group by c) t1", + "select b from t where a > 0 limit 5, 10" ] }, { diff --git a/planner/core/testdata/plan_suite_unexported_out.json b/planner/core/testdata/plan_suite_unexported_out.json index 699b0d3214326..71fa317c0ad96 100644 --- a/planner/core/testdata/plan_suite_unexported_out.json +++ b/planner/core/testdata/plan_suite_unexported_out.json @@ -552,6 +552,35 @@ "test.t.a" ] ] + }, + { + "1": [ + [ + "test.t.a" + ] + ], + "3": [ + [ + "test.t.a" + ] + ] + }, + { + "1": [ + [ + "test.t.a" + ] + ], + "3": [ + [ + "test.t.a" + ] + ], + "4": [ + [ + "test.t.a" + ] + ] } ] }, @@ -736,6 +765,15 @@ "1": [ "test.t.c" ] + }, + { + "1": [ + "test.t.a", + "test.t.b" + ], + "4": [ + "test.t.b" + ] } ] }, diff --git a/planner/core/util.go b/planner/core/util.go index e6a4985ec783e..c2904236185ca 100644 --- a/planner/core/util.go +++ b/planner/core/util.go @@ -91,12 +91,23 @@ type logicalSchemaProducer struct { // Schema implements the Plan.Schema interface. func (s *logicalSchemaProducer) Schema() *expression.Schema { if s.schema == nil { - s.schema = expression.NewSchema() + if len(s.Children()) == 1 { + // default implementation for plans has only one child: proprgate child schema. + // multi-children plans are likely to have particular implementation. + s.schema = s.Children()[0].Schema().Clone() + } else { + s.schema = expression.NewSchema() + } } return s.schema } func (s *logicalSchemaProducer) OutputNames() types.NameSlice { + if s.names == nil && len(s.Children()) == 1 { + // default implementation for plans has only one child: proprgate child `OutputNames`. + // multi-children plans are likely to have particular implementation. + s.names = s.Children()[0].OutputNames() + } return s.names } @@ -116,10 +127,10 @@ func (s *logicalSchemaProducer) setSchemaAndNames(schema *expression.Schema, nam // inlineProjection prunes unneeded columns inline a executor. func (s *logicalSchemaProducer) inlineProjection(parentUsedCols []*expression.Column) { - used := expression.GetUsedList(parentUsedCols, s.schema) + used := expression.GetUsedList(parentUsedCols, s.Schema()) for i := len(used) - 1; i >= 0; i-- { if !used[i] { - s.schema.Columns = append(s.schema.Columns[:i], s.schema.Columns[i+1:]...) + s.schema.Columns = append(s.Schema().Columns[:i], s.Schema().Columns[i+1:]...) } } } @@ -137,14 +148,20 @@ func (s *physicalSchemaProducer) cloneWithSelf(newSelf PhysicalPlan) (*physicalS } return &physicalSchemaProducer{ basePhysicalPlan: *base, - schema: s.schema.Clone(), + schema: s.Schema().Clone(), }, nil } // Schema implements the Plan.Schema interface. func (s *physicalSchemaProducer) Schema() *expression.Schema { if s.schema == nil { - s.schema = expression.NewSchema() + if len(s.Children()) == 1 { + // default implementation for plans has only one child: proprgate child schema. + // multi-children plans are likely to have particular implementation. + s.schema = s.Children()[0].Schema().Clone() + } else { + s.schema = expression.NewSchema() + } } return s.schema } From 106b04ddab7b5aabc42a58f5136565a8c7efb7a5 Mon Sep 17 00:00:00 2001 From: Null not nil <67764674+nullnotnil@users.noreply.github.com> Date: Mon, 19 Oct 2020 00:13:43 -0600 Subject: [PATCH 0047/1021] *: Fix sysvars to native type in @@ context (#20394) --- bindinfo/bind_test.go | 36 +-- ddl/partition.go | 2 +- executor/set.go | 4 +- executor/set_test.go | 6 +- executor/show_test.go | 5 +- expression/integration_test.go | 2 +- planner/core/expression_rewriter.go | 3 +- session/bootstrap.go | 2 +- session/pessimistic_test.go | 2 +- session/session_test.go | 8 +- sessionctx/variable/sysvar.go | 377 ++++++++++++++------------- sessionctx/variable/sysvar_test.go | 6 +- sessionctx/variable/tidb_vars.go | 2 +- sessionctx/variable/varsutil.go | 269 ++++--------------- sessionctx/variable/varsutil_test.go | 26 +- telemetry/telemetry.go | 13 +- util/stmtsummary/variables.go | 10 +- 17 files changed, 313 insertions(+), 460 deletions(-) diff --git a/bindinfo/bind_test.go b/bindinfo/bind_test.go index 8663761f3bd44..a305fd8fd12a2 100644 --- a/bindinfo/bind_test.go +++ b/bindinfo/bind_test.go @@ -797,13 +797,13 @@ func (s *testSuite) TestDefaultSessionVars(c *C) { tk := testkit.NewTestKit(c, s.store) s.cleanBindingEnv(tk) tk.MustQuery(`show variables like "%baselines%"`).Sort().Check(testkit.Rows( - "tidb_capture_plan_baselines off", - "tidb_evolve_plan_baselines off", - "tidb_use_plan_baselines on")) + "tidb_capture_plan_baselines OFF", + "tidb_evolve_plan_baselines OFF", + "tidb_use_plan_baselines ON")) tk.MustQuery(`show global variables like "%baselines%"`).Sort().Check(testkit.Rows( - "tidb_capture_plan_baselines off", - "tidb_evolve_plan_baselines off", - "tidb_use_plan_baselines on")) + "tidb_capture_plan_baselines OFF", + "tidb_evolve_plan_baselines OFF", + "tidb_use_plan_baselines ON")) } func (s *testSuite) TestCaptureBaselinesScope(c *C) { @@ -811,16 +811,16 @@ func (s *testSuite) TestCaptureBaselinesScope(c *C) { tk2 := testkit.NewTestKit(c, s.store) s.cleanBindingEnv(tk1) tk1.MustQuery(`show session variables like "tidb_capture_plan_baselines"`).Check(testkit.Rows( - "tidb_capture_plan_baselines off", + "tidb_capture_plan_baselines OFF", )) tk1.MustQuery(`show global variables like "tidb_capture_plan_baselines"`).Check(testkit.Rows( - "tidb_capture_plan_baselines off", + "tidb_capture_plan_baselines OFF", )) tk1.MustQuery(`select @@session.tidb_capture_plan_baselines`).Check(testkit.Rows( - "off", + "0", )) tk1.MustQuery(`select @@global.tidb_capture_plan_baselines`).Check(testkit.Rows( - "off", + "0", )) tk1.MustExec("set @@session.tidb_capture_plan_baselines = on") @@ -828,28 +828,28 @@ func (s *testSuite) TestCaptureBaselinesScope(c *C) { tk1.MustExec(" set @@session.tidb_capture_plan_baselines = off") }() tk1.MustQuery(`show session variables like "tidb_capture_plan_baselines"`).Check(testkit.Rows( - "tidb_capture_plan_baselines on", + "tidb_capture_plan_baselines ON", )) tk1.MustQuery(`show global variables like "tidb_capture_plan_baselines"`).Check(testkit.Rows( - "tidb_capture_plan_baselines off", + "tidb_capture_plan_baselines OFF", )) tk1.MustQuery(`select @@session.tidb_capture_plan_baselines`).Check(testkit.Rows( - "on", + "1", )) tk1.MustQuery(`select @@global.tidb_capture_plan_baselines`).Check(testkit.Rows( - "off", + "0", )) tk2.MustQuery(`show session variables like "tidb_capture_plan_baselines"`).Check(testkit.Rows( - "tidb_capture_plan_baselines on", + "tidb_capture_plan_baselines ON", )) tk2.MustQuery(`show global variables like "tidb_capture_plan_baselines"`).Check(testkit.Rows( - "tidb_capture_plan_baselines off", + "tidb_capture_plan_baselines OFF", )) tk2.MustQuery(`select @@session.tidb_capture_plan_baselines`).Check(testkit.Rows( - "on", + "1", )) tk2.MustQuery(`select @@global.tidb_capture_plan_baselines`).Check(testkit.Rows( - "off", + "0", )) } diff --git a/ddl/partition.go b/ddl/partition.go index 601bc2612dd5a..7311242cdfa29 100644 --- a/ddl/partition.go +++ b/ddl/partition.go @@ -278,7 +278,7 @@ func buildTablePartitionInfo(ctx sessionctx.Context, s *ast.CreateTableStmt) (*m return nil, nil } - if ctx.GetSessionVars().EnableTablePartition == "off" { + if strings.EqualFold(ctx.GetSessionVars().EnableTablePartition, "OFF") { ctx.GetSessionVars().StmtCtx.AppendWarning(errTablePartitionDisabled) return nil, nil } diff --git a/executor/set.go b/executor/set.go index 08744aeb47a26..d6c357e9a7080 100644 --- a/executor/set.go +++ b/executor/set.go @@ -220,6 +220,8 @@ func (e *SetExecutor) setSysVariable(name string, v *expression.VarAssignment) e logutil.BgLogger().Debug(fmt.Sprintf("set %s var", scopeStr), zap.Uint64("conn", sessionVars.ConnectionID), zap.String("name", name), zap.String("val", valStr)) } + valStrToBoolStr := variable.BoolToOnOff(variable.TiDBOptOn(valStr)) + switch name { case variable.TiDBEnableStmtSummary: return stmtsummary.StmtSummaryByDigestMap.SetEnabled(valStr, !v.IsGlobal) @@ -234,7 +236,7 @@ func (e *SetExecutor) setSysVariable(name string, v *expression.VarAssignment) e case variable.TiDBStmtSummaryMaxSQLLength: return stmtsummary.StmtSummaryByDigestMap.SetMaxSQLLength(valStr, !v.IsGlobal) case variable.TiDBCapturePlanBaseline: - variable.CapturePlanBaseline.Set(strings.ToLower(valStr), !v.IsGlobal) + variable.CapturePlanBaseline.Set(valStrToBoolStr, !v.IsGlobal) } return nil diff --git a/executor/set_test.go b/executor/set_test.go index 975d65237cccb..e3f65584be0b3 100644 --- a/executor/set_test.go +++ b/executor/set_test.go @@ -375,7 +375,7 @@ func (s *testSuite5) TestSetVar(c *C) { tk.MustQuery(`select @@session.tidb_wait_split_region_timeout;`).Check(testkit.Rows("1")) _, err = tk.Exec("set tidb_wait_split_region_timeout = 0") c.Assert(err, NotNil) - c.Assert(err.Error(), Equals, "tidb_wait_split_region_timeout(0) cannot be smaller than 1") + c.Assert(err, ErrorMatches, ".*Variable 'tidb_wait_split_region_timeout' can't be set to the value of '0'") tk.MustQuery(`select @@session.tidb_wait_split_region_timeout;`).Check(testkit.Rows("1")) tk.MustExec("set session tidb_backoff_weight = 3") @@ -414,14 +414,14 @@ func (s *testSuite5) TestSetVar(c *C) { tk.MustExec("set @@session.tidb_metric_query_step = 120") _, err = tk.Exec("set @@session.tidb_metric_query_step = 9") c.Assert(err, NotNil) - c.Assert(err.Error(), Equals, "tidb_metric_query_step(9) cannot be smaller than 10 or larger than 216000") + c.Assert(err, ErrorMatches, ".*Variable 'tidb_metric_query_step' can't be set to the value of '9'") tk.MustQuery("select @@session.tidb_metric_query_step;").Check(testkit.Rows("120")) tk.MustQuery("select @@session.tidb_metric_query_range_duration;").Check(testkit.Rows("60")) tk.MustExec("set @@session.tidb_metric_query_range_duration = 120") _, err = tk.Exec("set @@session.tidb_metric_query_range_duration = 9") c.Assert(err, NotNil) - c.Assert(err.Error(), Equals, "tidb_metric_query_range_duration(9) cannot be smaller than 10 or larger than 216000") + c.Assert(err, ErrorMatches, ".*Variable 'tidb_metric_query_range_duration' can't be set to the value of '9'") tk.MustQuery("select @@session.tidb_metric_query_range_duration;").Check(testkit.Rows("120")) // test for tidb_slow_log_masking diff --git a/executor/show_test.go b/executor/show_test.go index 4f239f6b0aaec..55db45592dd83 100644 --- a/executor/show_test.go +++ b/executor/show_test.go @@ -262,11 +262,10 @@ func (s *testSuite5) TestShow2(c *C) { tk.MustExec("set global autocommit=0") tk1 := testkit.NewTestKit(c, s.store) - tk1.MustQuery("show global variables where variable_name = 'autocommit'").Check(testkit.Rows("autocommit 0")) + tk1.MustQuery("show global variables where variable_name = 'autocommit'").Check(testkit.Rows("autocommit OFF")) tk.MustExec("set global autocommit = 1") tk2 := testkit.NewTestKit(c, s.store) - // TODO: In MySQL, the result is "autocommit ON". - tk2.MustQuery("show global variables where variable_name = 'autocommit'").Check(testkit.Rows("autocommit 1")) + tk2.MustQuery("show global variables where variable_name = 'autocommit'").Check(testkit.Rows("autocommit ON")) // TODO: Specifying the charset for national char/varchar should not be supported. tk.MustExec("drop table if exists test_full_column") diff --git a/expression/integration_test.go b/expression/integration_test.go index 0183ec261f28e..6179776c20743 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -4731,7 +4731,7 @@ func (s *testIntegrationSuite) TestForeignKeyVar(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("SET FOREIGN_KEY_CHECKS=1") - tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 8047 variable 'foreign_key_checks' does not yet support value: 1")) + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 8047 variable 'foreign_key_checks' does not yet support value: ON")) } func (s *testIntegrationSuite) TestUserVarMockWindFunc(c *C) { diff --git a/planner/core/expression_rewriter.go b/planner/core/expression_rewriter.go index d7bd4cccd1b5d..40aeac58a39aa 100644 --- a/planner/core/expression_rewriter.go +++ b/planner/core/expression_rewriter.go @@ -1160,7 +1160,8 @@ func (er *expressionRewriter) rewriteVariable(v *ast.VariableExpr) { er.err = err return } - e := expression.DatumToConstant(types.NewStringDatum(val), mysql.TypeVarString) + nativeVal, nativeType := variable.GetNativeValType(name, val) + e := expression.DatumToConstant(nativeVal, nativeType) e.GetType().Charset, _ = er.sctx.GetSessionVars().GetSystemVar(variable.CharacterSetConnection) e.GetType().Collate, _ = er.sctx.GetSessionVars().GetSystemVar(variable.CollationConnection) er.ctxStackAppend(e, types.EmptyName) diff --git a/session/bootstrap.go b/session/bootstrap.go index b4dcdece6d487..bf76d208a55c6 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -1273,7 +1273,7 @@ func doDMLWorks(s Session) { vVal = strconv.Itoa(variable.DefTiDBRowFormatV2) } if v.Name == variable.TiDBEnableClusteredIndex { - vVal = "1" + vVal = variable.BoolOn } if v.Name == variable.TiDBPartitionPruneMode { vVal = string(variable.StaticOnly) diff --git a/session/pessimistic_test.go b/session/pessimistic_test.go index f5cb3046e1dbe..2335c80d72789 100644 --- a/session/pessimistic_test.go +++ b/session/pessimistic_test.go @@ -1861,7 +1861,7 @@ func (s *testPessimisticSuite) TestAmendTxnVariable(c *C) { // Set off the global variable. tk2.MustExec("set global tidb_enable_amend_pessimistic_txn = 0;") tk4 := testkit.NewTestKitWithInit(c, s.store) - tk4.MustQuery(`show variables like "tidb_enable_amend_pessimistic_txn"`).Check(testkit.Rows("tidb_enable_amend_pessimistic_txn 0")) + tk4.MustQuery(`show variables like "tidb_enable_amend_pessimistic_txn"`).Check(testkit.Rows("tidb_enable_amend_pessimistic_txn OFF")) tk4.MustExec("use test_db") tk4.MustExec("begin pessimistic") tk4.MustExec("insert into t1 values(5, 5, 5, 5)") diff --git a/session/session_test.go b/session/session_test.go index aee67f02d7d9e..a1f58ecd79247 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -2691,17 +2691,17 @@ func (s *testSessionSuite2) TestCommitRetryCount(c *C) { func (s *testSessionSuite3) TestEnablePartition(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("set tidb_enable_table_partition=off") - tk.MustQuery("show variables like 'tidb_enable_table_partition'").Check(testkit.Rows("tidb_enable_table_partition off")) + tk.MustQuery("show variables like 'tidb_enable_table_partition'").Check(testkit.Rows("tidb_enable_table_partition OFF")) tk.MustExec("set global tidb_enable_table_partition = on") - tk.MustQuery("show variables like 'tidb_enable_table_partition'").Check(testkit.Rows("tidb_enable_table_partition off")) - tk.MustQuery("show global variables like 'tidb_enable_table_partition'").Check(testkit.Rows("tidb_enable_table_partition on")) + tk.MustQuery("show variables like 'tidb_enable_table_partition'").Check(testkit.Rows("tidb_enable_table_partition OFF")) + tk.MustQuery("show global variables like 'tidb_enable_table_partition'").Check(testkit.Rows("tidb_enable_table_partition ON")) // Disable global variable cache, so load global session variable take effect immediate. s.dom.GetGlobalVarsCache().Disable() tk1 := testkit.NewTestKitWithInit(c, s.store) - tk1.MustQuery("show variables like 'tidb_enable_table_partition'").Check(testkit.Rows("tidb_enable_table_partition on")) + tk1.MustQuery("show variables like 'tidb_enable_table_partition'").Check(testkit.Rows("tidb_enable_table_partition ON")) } func (s *testSessionSerialSuite) TestTxnRetryErrMsg(c *C) { diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 0ee616108fc3e..9dc5cbcd37ac1 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -23,6 +23,7 @@ import ( "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/versioninfo" ) @@ -41,53 +42,51 @@ const ( // ScopeSession means the system variable can only be changed in current session. ScopeSession ScopeFlag = 1 << 1 - // TypeUnknown for not yet defined - TypeUnknown TypeFlag = 0 + // TypeStr is the default + TypeStr TypeFlag = 0 // TypeBool for boolean TypeBool TypeFlag = 1 // TypeInt for integer TypeInt TypeFlag = 2 - // TypeLong for Long - TypeLong TypeFlag = 3 - // TypeLongLong for LongLong - TypeLongLong TypeFlag = 4 - // TypeStr for String - TypeStr TypeFlag = 5 // TypeEnum for Enum - TypeEnum TypeFlag = 6 - // TypeSet for Set - TypeSet TypeFlag = 7 - // TypeDouble for Double - TypeDouble TypeFlag = 8 + TypeEnum TypeFlag = 3 + // TypeFloat for Double + TypeFloat TypeFlag = 4 // TypeUnsigned for Unsigned integer - TypeUnsigned TypeFlag = 9 + TypeUnsigned TypeFlag = 5 + + // BoolOff is the canonical string representation of a boolean false. + BoolOff = "OFF" + // BoolOn is the canonical string representation of a boolean true. + BoolOn = "ON" ) // SysVar is for system variable. type SysVar struct { // Scope is for whether can be changed or not Scope ScopeFlag - // Name is the variable name. Name string - // Value is the variable value. Value string - // Type is the MySQL type (optional) Type TypeFlag - // MinValue will automatically be validated when specified (optional) MinValue int64 - // MaxValue will automatically be validated when specified (optional) MaxValue uint64 - // AutoConvertNegativeBool applies to boolean types (optional) AutoConvertNegativeBool bool - // AutoConvertOutOfRange applies to int and unsigned types. AutoConvertOutOfRange bool + // ReadOnly applies to all types + ReadOnly bool + // PossibleValues applies to ENUM type + PossibleValues []string + // AllowEmpty is a special TiDB behavior which means "read value from config" (do not use) + AllowEmpty bool + // AllowEmptyAll is a special behavior that only applies to TiDBCapturePlanBaseline (do not use) + AllowEmptyAll bool } var sysVars map[string]*SysVar @@ -109,6 +108,20 @@ func GetSysVar(name string) *SysVar { return sysVars[name] } +// GetNativeValType attempts to convert the val to the approx MySQL non-string type +func GetNativeValType(name, val string) (types.Datum, byte) { + switch sysVars[name].Type { + case TypeBool: + optVal := int64(0) // off + if TiDBOptOn(val) { + optVal = 1 + } + return types.NewIntDatum(optVal), mysql.TypeLong + + } + return types.NewStringDatum(val), mysql.TypeVarString +} + // SetSysVar sets a sysvar. This will not propagate to the cluster, so it should only be used for instance scoped AUTO variables such as system_time_zone. func SetSysVar(name string, value string) { name = strings.ToLower(name) @@ -143,11 +156,19 @@ func BoolToIntStr(b bool) string { return "0" } -func boolToOnOff(b bool) string { +// BoolToOnOff returns the string representation of a bool, i.e. "ON/OFF" +func BoolToOnOff(b bool) string { if b { - return "on" + return BoolOn + } + return BoolOff +} + +func int32ToBoolStr(i int32) string { + if i == 1 { + return BoolOn } - return "off" + return BoolOff } // BoolToInt32 converts bool to int32 @@ -160,21 +181,21 @@ func BoolToInt32(b bool) int32 { // we only support MySQL now var defaultSysVars = []*SysVar{ - {Scope: ScopeGlobal, Name: "gtid_mode", Value: "OFF", Type: TypeBool}, + {Scope: ScopeGlobal, Name: "gtid_mode", Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal, Name: FlushTime, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: secondsPerYear, AutoConvertOutOfRange: true}, {Scope: ScopeNone, Name: "performance_schema_max_mutex_classes", Value: "200"}, - {Scope: ScopeGlobal | ScopeSession, Name: LowPriorityUpdates, Value: "0", Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: SessionTrackGtids, Value: "OFF"}, + {Scope: ScopeGlobal | ScopeSession, Name: LowPriorityUpdates, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: SessionTrackGtids, Value: BoolOff, Type: TypeEnum, PossibleValues: []string{BoolOff, "OWN_GTID", "ALL_GTIDS"}}, {Scope: ScopeGlobal | ScopeSession, Name: "ndbinfo_max_rows", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: "ndb_index_stat_option", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: OldPasswords, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: 2, AutoConvertOutOfRange: true}, {Scope: ScopeNone, Name: "innodb_version", Value: "5.6.25"}, {Scope: ScopeGlobal, Name: MaxConnections, Value: "151", Type: TypeUnsigned, MinValue: 1, MaxValue: 100000, AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal | ScopeSession, Name: BigTables, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: BigTables, Value: BoolOff, Type: TypeBool}, {Scope: ScopeNone, Name: "skip_external_locking", Value: "1"}, {Scope: ScopeNone, Name: "innodb_sync_array_size", Value: "1"}, {Scope: ScopeSession, Name: "rand_seed2", Value: ""}, - {Scope: ScopeGlobal, Name: ValidatePasswordCheckUserName, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal, Name: ValidatePasswordCheckUserName, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal, Name: ValidatePasswordNumberCount, Value: "1", Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true}, {Scope: ScopeSession, Name: "gtid_next", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: SQLSelectLimit, Value: "18446744073709551615", Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true}, @@ -195,7 +216,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "lc_messages_dir", Value: "/usr/local/mysql-5.6.25-osx10.8-x86_64/share/"}, {Scope: ScopeGlobal, Name: "ft_boolean_syntax", Value: "+ -><()~*:\"\"&|"}, {Scope: ScopeGlobal, Name: TableDefinitionCache, Value: "-1", Type: TypeUnsigned, MinValue: 400, MaxValue: 524288, AutoConvertOutOfRange: true}, - {Scope: ScopeNone, Name: SkipNameResolve, Value: "0", Type: TypeBool}, + {Scope: ScopeNone, Name: SkipNameResolve, Value: BoolOff, Type: TypeBool}, {Scope: ScopeNone, Name: "performance_schema_max_file_handles", Value: "32768"}, {Scope: ScopeSession, Name: "transaction_allow_batching", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: SQLModeVar, Value: mysql.DefaultSQLMode}, @@ -205,7 +226,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TmpTableSize, Value: "16777216", Type: TypeUnsigned, MinValue: 1024, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true}, {Scope: ScopeGlobal, Name: "innodb_max_purge_lag", Value: "0"}, {Scope: ScopeGlobal | ScopeSession, Name: "preload_buffer_size", Value: "32768"}, - {Scope: ScopeGlobal, Name: CheckProxyUsers, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal, Name: CheckProxyUsers, Value: BoolOff, Type: TypeBool}, {Scope: ScopeNone, Name: "have_query_cache", Value: "YES"}, {Scope: ScopeGlobal, Name: "innodb_flush_log_at_timeout", Value: "1"}, {Scope: ScopeGlobal, Name: "innodb_max_undo_log_size", Value: ""}, @@ -222,16 +243,16 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "innodb_ft_sort_pll_degree", Value: "2"}, {Scope: ScopeNone, Name: "thread_stack", Value: "262144"}, {Scope: ScopeGlobal, Name: "relay_log_info_repository", Value: "FILE"}, - {Scope: ScopeGlobal | ScopeSession, Name: SQLLogBin, Value: "1", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: SQLLogBin, Value: BoolOn, Type: TypeBool}, {Scope: ScopeGlobal, Name: SuperReadOnly, Value: "0", Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: "max_delayed_threads", Value: "20"}, {Scope: ScopeNone, Name: "protocol_version", Value: "10"}, - {Scope: ScopeGlobal | ScopeSession, Name: "new", Value: "OFF"}, + {Scope: ScopeGlobal | ScopeSession, Name: "new", Value: BoolOff}, {Scope: ScopeGlobal | ScopeSession, Name: "myisam_sort_buffer_size", Value: "8388608"}, {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_trace_offset", Value: "-1"}, {Scope: ScopeGlobal, Name: InnodbBufferPoolDumpAtShutdown, Value: "0"}, {Scope: ScopeGlobal | ScopeSession, Name: SQLNotes, Value: "1"}, - {Scope: ScopeGlobal, Name: InnodbCmpPerIndexEnabled, Value: "0", Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: InnodbCmpPerIndexEnabled, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeGlobal, Name: "innodb_ft_server_stopword_table", Value: ""}, {Scope: ScopeNone, Name: "performance_schema_max_file_instances", Value: "7693"}, {Scope: ScopeNone, Name: "log_output", Value: "FILE"}, @@ -241,15 +262,15 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "innodb_log_write_ahead_size", Value: ""}, {Scope: ScopeNone, Name: "innodb_log_group_home_dir", Value: "./"}, {Scope: ScopeNone, Name: "performance_schema_events_statements_history_size", Value: "10"}, - {Scope: ScopeGlobal, Name: GeneralLog, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal, Name: GeneralLog, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal, Name: "validate_password_dictionary_file", Value: ""}, - {Scope: ScopeGlobal, Name: BinlogOrderCommits, Value: "1", Type: TypeBool}, + {Scope: ScopeGlobal, Name: BinlogOrderCommits, Value: BoolOn, Type: TypeBool}, {Scope: ScopeGlobal, Name: "key_cache_division_limit", Value: "100"}, {Scope: ScopeGlobal | ScopeSession, Name: "max_insert_delayed_threads", Value: "20"}, {Scope: ScopeNone, Name: "performance_schema_session_connect_attrs_size", Value: "512"}, {Scope: ScopeGlobal | ScopeSession, Name: "time_zone", Value: "SYSTEM"}, {Scope: ScopeGlobal, Name: "innodb_max_dirty_pages_pct", Value: "75"}, - {Scope: ScopeGlobal, Name: InnodbFilePerTable, Value: "1", Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: InnodbFilePerTable, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeGlobal, Name: InnodbLogCompressedPages, Value: "1"}, {Scope: ScopeNone, Name: "skip_networking", Value: "0"}, {Scope: ScopeGlobal, Name: "innodb_monitor_reset", Value: ""}, @@ -261,12 +282,12 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "ssl_cipher", Value: ""}, {Scope: ScopeNone, Name: "tls_version", Value: "TLSv1,TLSv1.1,TLSv1.2"}, {Scope: ScopeNone, Name: "system_time_zone", Value: "CST"}, - {Scope: ScopeGlobal, Name: InnodbPrintAllDeadlocks, Value: "0", Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: InnodbPrintAllDeadlocks, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeNone, Name: "innodb_autoinc_lock_mode", Value: "1"}, {Scope: ScopeGlobal, Name: "key_buffer_size", Value: "8388608"}, - {Scope: ScopeGlobal | ScopeSession, Name: ForeignKeyChecks, Value: "OFF"}, + {Scope: ScopeGlobal | ScopeSession, Name: ForeignKeyChecks, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal, Name: "host_cache_size", Value: "279"}, - {Scope: ScopeGlobal, Name: DelayKeyWrite, Value: "ON"}, + {Scope: ScopeGlobal, Name: DelayKeyWrite, Value: BoolOn, Type: TypeEnum, PossibleValues: []string{BoolOff, BoolOn, "ALL"}}, {Scope: ScopeNone, Name: "metadata_locks_cache_size", Value: "1024"}, {Scope: ScopeNone, Name: "innodb_force_recovery", Value: "0"}, {Scope: ScopeGlobal, Name: "innodb_file_format_max", Value: "Antelope"}, @@ -279,8 +300,8 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "innodb_mirrored_log_groups", Value: "1"}, {Scope: ScopeGlobal, Name: "max_binlog_size", Value: "1073741824"}, {Scope: ScopeGlobal, Name: "concurrent_insert", Value: "AUTO"}, - {Scope: ScopeGlobal, Name: InnodbAdaptiveHashIndex, Value: "1", Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeGlobal, Name: InnodbFtEnableStopword, Value: "1", Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: InnodbAdaptiveHashIndex, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: InnodbFtEnableStopword, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeGlobal, Name: "general_log_file", Value: "/usr/local/mysql/data/localhost.log"}, {Scope: ScopeGlobal | ScopeSession, Name: InnodbSupportXA, Value: "1"}, {Scope: ScopeGlobal, Name: "innodb_compression_level", Value: "6"}, @@ -293,7 +314,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: InteractiveTimeout, Value: "28800", Type: TypeUnsigned, MinValue: 1, MaxValue: secondsPerYear, AutoConvertOutOfRange: true}, {Scope: ScopeGlobal, Name: InnodbOptimizeFullTextOnly, Value: "0"}, {Scope: ScopeNone, Name: "character_sets_dir", Value: "/usr/local/mysql-5.6.25-osx10.8-x86_64/share/charsets/"}, - {Scope: ScopeGlobal | ScopeSession, Name: QueryCacheType, Value: "OFF"}, + {Scope: ScopeGlobal | ScopeSession, Name: QueryCacheType, Value: BoolOff, Type: TypeEnum, PossibleValues: []string{BoolOff, BoolOn, "DEMAND"}}, {Scope: ScopeNone, Name: "innodb_rollback_on_timeout", Value: "0"}, {Scope: ScopeGlobal | ScopeSession, Name: "query_alloc_block_size", Value: "8192"}, {Scope: ScopeGlobal | ScopeSession, Name: InitConnect, Value: ""}, @@ -307,11 +328,11 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "disconnect_on_expired_password", Value: "1"}, {Scope: ScopeNone, Name: "performance_schema_max_file_classes", Value: "50"}, {Scope: ScopeGlobal, Name: "expire_logs_days", Value: "0"}, - {Scope: ScopeGlobal | ScopeSession, Name: BinlogRowQueryLogEvents, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: BinlogRowQueryLogEvents, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal, Name: "default_password_lifetime", Value: ""}, {Scope: ScopeNone, Name: "pid_file", Value: "/usr/local/mysql/data/localhost.pid"}, {Scope: ScopeNone, Name: "innodb_undo_tablespaces", Value: "0"}, - {Scope: ScopeGlobal, Name: InnodbStatusOutputLocks, Value: "0", Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: InnodbStatusOutputLocks, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeNone, Name: "performance_schema_accounts_size", Value: "100"}, {Scope: ScopeGlobal | ScopeSession, Name: "max_error_count", Value: "64"}, {Scope: ScopeGlobal, Name: "max_write_lock_count", Value: "18446744073709551615"}, @@ -322,16 +343,16 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "innodb_open_files", Value: "2000"}, {Scope: ScopeGlobal, Name: "innodb_spin_wait_delay", Value: "6"}, {Scope: ScopeGlobal, Name: "thread_cache_size", Value: "9"}, - {Scope: ScopeGlobal, Name: LogSlowAdminStatements, Value: "0", Type: TypeBool}, - {Scope: ScopeNone, Name: "innodb_checksums", Value: "ON"}, + {Scope: ScopeGlobal, Name: LogSlowAdminStatements, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeNone, Name: "innodb_checksums", Type: TypeBool, Value: BoolOn}, {Scope: ScopeNone, Name: "hostname", Value: ServerHostname}, {Scope: ScopeGlobal | ScopeSession, Name: "auto_increment_offset", Value: "1"}, {Scope: ScopeNone, Name: "ft_stopword_file", Value: "(built-in)"}, {Scope: ScopeGlobal, Name: "innodb_max_dirty_pages_pct_lwm", Value: "0"}, - {Scope: ScopeGlobal, Name: LogQueriesNotUsingIndexes, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal, Name: LogQueriesNotUsingIndexes, Value: BoolOff, Type: TypeBool}, {Scope: ScopeSession, Name: "timestamp", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: QueryCacheWlockInvalidate, Value: "0", Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: "sql_buffer_result", Value: "OFF"}, + {Scope: ScopeGlobal | ScopeSession, Name: QueryCacheWlockInvalidate, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: "sql_buffer_result", Value: BoolOff}, {Scope: ScopeGlobal | ScopeSession, Name: "character_set_filesystem", Value: "binary"}, {Scope: ScopeGlobal | ScopeSession, Name: "collation_database", Value: mysql.DefaultCollationName}, {Scope: ScopeGlobal | ScopeSession, Name: AutoIncrementIncrement, Value: strconv.FormatInt(DefAutoIncrementIncrement, 10), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint16, AutoConvertOutOfRange: true}, @@ -340,7 +361,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: "div_precision_increment", Value: "4"}, {Scope: ScopeGlobal, Name: "innodb_lru_scan_depth", Value: "1024"}, {Scope: ScopeGlobal, Name: "innodb_purge_rseg_truncate_frequency", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: SQLAutoIsNull, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: SQLAutoIsNull, Value: BoolOff, Type: TypeBool}, {Scope: ScopeNone, Name: "innodb_api_enable_binlog", Value: "0"}, {Scope: ScopeGlobal | ScopeSession, Name: "innodb_ft_user_stopword_table", Value: ""}, {Scope: ScopeNone, Name: "server_id_bits", Value: "32"}, @@ -356,14 +377,14 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "innodb_purge_batch_size", Value: "300"}, {Scope: ScopeNone, Name: "have_profiling", Value: "NO"}, {Scope: ScopeGlobal | ScopeSession, Name: "character_set_client", Value: mysql.DefaultCharset}, - {Scope: ScopeGlobal, Name: InnodbBufferPoolDumpNow, Value: "0", Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeGlobal, Name: RelayLogPurge, Value: "1", Type: TypeBool}, + {Scope: ScopeGlobal, Name: InnodbBufferPoolDumpNow, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: RelayLogPurge, Value: BoolOn, Type: TypeBool}, {Scope: ScopeGlobal, Name: "ndb_distribution", Value: ""}, {Scope: ScopeGlobal, Name: "myisam_data_pointer_size", Value: "6"}, {Scope: ScopeGlobal, Name: "ndb_optimization_delay", Value: ""}, {Scope: ScopeGlobal, Name: "innodb_ft_num_word_optimize", Value: "2000"}, {Scope: ScopeGlobal | ScopeSession, Name: "max_join_size", Value: "18446744073709551615"}, - {Scope: ScopeNone, Name: CoreFile, Value: "0", Type: TypeBool}, + {Scope: ScopeNone, Name: CoreFile, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: "max_seeks_for_key", Value: "18446744073709551615"}, {Scope: ScopeNone, Name: "innodb_log_buffer_size", Value: "8388608"}, {Scope: ScopeGlobal, Name: "delayed_insert_timeout", Value: "300"}, @@ -388,16 +409,16 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "innodb_api_disable_rowlock", Value: "0"}, {Scope: ScopeGlobal, Name: "innodb_adaptive_flushing_lwm", Value: "10"}, {Scope: ScopeNone, Name: "innodb_log_files_in_group", Value: "2"}, - {Scope: ScopeGlobal, Name: InnodbBufferPoolLoadNow, Value: "0", Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: InnodbBufferPoolLoadNow, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeNone, Name: "performance_schema_max_rwlock_classes", Value: "40"}, {Scope: ScopeNone, Name: "binlog_gtid_simple_recovery", Value: "1"}, {Scope: ScopeNone, Name: Port, Value: "4000"}, {Scope: ScopeNone, Name: "performance_schema_digests_size", Value: "10000"}, - {Scope: ScopeGlobal | ScopeSession, Name: Profiling, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: Profiling, Value: BoolOff, Type: TypeBool}, {Scope: ScopeNone, Name: "lower_case_table_names", Value: "2"}, {Scope: ScopeSession, Name: "rand_seed1", Value: ""}, {Scope: ScopeGlobal, Name: "sha256_password_proxy_users", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: SQLQuoteShowCreate, Value: "1", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: SQLQuoteShowCreate, Value: BoolOn, Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: "binlogging_impossible_mode", Value: "IGNORE_ERROR"}, {Scope: ScopeGlobal | ScopeSession, Name: QueryCacheSize, Value: "1048576"}, {Scope: ScopeGlobal, Name: "innodb_stats_transient_sample_pages", Value: "8"}, @@ -408,7 +429,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "skip_show_database", Value: "0"}, {Scope: ScopeGlobal, Name: "log_timestamps", Value: ""}, {Scope: ScopeNone, Name: "version_compile_machine", Value: "x86_64"}, - {Scope: ScopeGlobal, Name: "event_scheduler", Value: "OFF"}, + {Scope: ScopeGlobal, Name: "event_scheduler", Value: BoolOff}, {Scope: ScopeGlobal | ScopeSession, Name: "ndb_deferred_constraints", Value: ""}, {Scope: ScopeGlobal, Name: "log_syslog_include_pid", Value: ""}, {Scope: ScopeSession, Name: "last_insert_id", Value: ""}, @@ -423,9 +444,9 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: InnodbStatsAutoRecalc, Value: "1"}, {Scope: ScopeGlobal | ScopeSession, Name: "lc_messages", Value: "en_US"}, {Scope: ScopeGlobal | ScopeSession, Name: "bulk_insert_buffer_size", Value: "8388608"}, - {Scope: ScopeGlobal | ScopeSession, Name: BinlogDirectNonTransactionalUpdates, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: BinlogDirectNonTransactionalUpdates, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal, Name: "innodb_change_buffering", Value: "all"}, - {Scope: ScopeGlobal | ScopeSession, Name: SQLBigSelects, Value: "1", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: SQLBigSelects, Value: BoolOn, Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: CharacterSetResults, Value: mysql.DefaultCharset}, {Scope: ScopeGlobal, Name: "innodb_max_purge_lag_delay", Value: "0"}, {Scope: ScopeGlobal | ScopeSession, Name: "session_track_schema", Value: ""}, @@ -436,7 +457,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: "read_rnd_buffer_size", Value: "262144"}, {Scope: ScopeNone, Name: "version_comment", Value: "TiDB Server (Apache License 2.0) " + versioninfo.TiDBEdition + " Edition, MySQL 5.7 compatible"}, {Scope: ScopeGlobal | ScopeSession, Name: NetWriteTimeout, Value: "60"}, - {Scope: ScopeGlobal, Name: InnodbBufferPoolLoadAbort, Value: "0", Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: InnodbBufferPoolLoadAbort, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeGlobal | ScopeSession, Name: TxnIsolation, Value: "REPEATABLE-READ"}, {Scope: ScopeGlobal | ScopeSession, Name: TransactionIsolation, Value: "REPEATABLE-READ"}, {Scope: ScopeGlobal | ScopeSession, Name: "collation_connection", Value: mysql.DefaultCollationName}, @@ -445,21 +466,21 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "sync_relay_log", Value: "10000"}, {Scope: ScopeGlobal, Name: "innodb_ft_result_cache_limit", Value: "2000000000"}, {Scope: ScopeNone, Name: "innodb_sort_buffer_size", Value: "1048576"}, - {Scope: ScopeGlobal, Name: "innodb_ft_enable_diag_print", Value: "OFF"}, + {Scope: ScopeGlobal, Name: "innodb_ft_enable_diag_print", Type: TypeBool, Value: BoolOff}, {Scope: ScopeNone, Name: "thread_handling", Value: "one-thread-per-connection"}, {Scope: ScopeGlobal, Name: "stored_program_cache", Value: "256"}, {Scope: ScopeNone, Name: "performance_schema_max_mutex_instances", Value: "15906"}, {Scope: ScopeGlobal, Name: "innodb_adaptive_max_sleep_delay", Value: "150000"}, - {Scope: ScopeNone, Name: "large_pages", Value: "OFF"}, + {Scope: ScopeNone, Name: "large_pages", Value: BoolOff}, {Scope: ScopeGlobal | ScopeSession, Name: "session_track_system_variables", Value: ""}, {Scope: ScopeGlobal, Name: "innodb_change_buffer_max_size", Value: "25"}, - {Scope: ScopeGlobal, Name: LogBinTrustFunctionCreators, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal, Name: LogBinTrustFunctionCreators, Value: BoolOff, Type: TypeBool}, {Scope: ScopeNone, Name: "innodb_write_io_threads", Value: "4"}, {Scope: ScopeGlobal, Name: "mysql_native_password_proxy_users", Value: ""}, - {Scope: ScopeGlobal, Name: serverReadOnly, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal, Name: serverReadOnly, Value: BoolOff, Type: TypeBool}, {Scope: ScopeNone, Name: "large_page_size", Value: "0"}, {Scope: ScopeNone, Name: "table_open_cache_instances", Value: "1"}, - {Scope: ScopeGlobal, Name: InnodbStatsPersistent, Value: "1", Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: InnodbStatsPersistent, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeGlobal | ScopeSession, Name: "session_track_state_change", Value: ""}, {Scope: ScopeNone, Name: "optimizer_switch", Value: "index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on,index_condition_pushdown=on,mrr=on,mrr_cost_based=on,block_nested_loop=on,batched_key_access=off,materialization=on,semijoin=on,loosescan=on,firstmatch=on,subquery_materialization_cost_based=on,use_index_extensions=on"}, {Scope: ScopeGlobal, Name: "delayed_queue_size", Value: "1000"}, @@ -468,14 +489,14 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "log_syslog", Value: ""}, {Scope: ScopeNone, Name: "version", Value: mysql.ServerVersion}, {Scope: ScopeGlobal | ScopeSession, Name: "transaction_alloc_block_size", Value: "8192"}, - {Scope: ScopeGlobal, Name: "innodb_large_prefix", Value: "OFF"}, + {Scope: ScopeGlobal, Name: "innodb_large_prefix", Type: TypeBool, Value: BoolOff}, {Scope: ScopeNone, Name: "performance_schema_max_cond_classes", Value: "80"}, {Scope: ScopeGlobal, Name: "innodb_io_capacity", Value: "200"}, {Scope: ScopeGlobal, Name: "max_binlog_cache_size", Value: "18446744073709547520"}, {Scope: ScopeGlobal | ScopeSession, Name: "ndb_index_stat_enable", Value: ""}, {Scope: ScopeGlobal, Name: "executed_gtids_compression_period", Value: ""}, {Scope: ScopeNone, Name: "time_format", Value: "%H:%i:%s"}, - {Scope: ScopeGlobal | ScopeSession, Name: OldAlterTable, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: OldAlterTable, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: "long_query_time", Value: "10.000000"}, {Scope: ScopeNone, Name: "innodb_use_native_aio", Value: "0"}, {Scope: ScopeGlobal, Name: "log_throttle_queries_not_using_indexes", Value: "0"}, @@ -485,11 +506,11 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "innodb_compression_pad_pct_max", Value: "50"}, {Scope: ScopeGlobal, Name: InnodbCommitConcurrency, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: 1000, AutoConvertOutOfRange: true}, {Scope: ScopeNone, Name: "ft_min_word_len", Value: "4"}, - {Scope: ScopeGlobal, Name: EnforceGtidConsistency, Value: "OFF"}, - {Scope: ScopeGlobal, Name: SecureAuth, Value: "1"}, + {Scope: ScopeGlobal, Name: EnforceGtidConsistency, Value: BoolOff, Type: TypeEnum, PossibleValues: []string{BoolOff, BoolOn, "WARN"}}, + {Scope: ScopeGlobal, Name: SecureAuth, Value: BoolOn, Type: TypeBool}, {Scope: ScopeNone, Name: "max_tmp_tables", Value: "32"}, - {Scope: ScopeGlobal, Name: InnodbRandomReadAhead, Value: "0", Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeGlobal | ScopeSession, Name: UniqueChecks, Value: "1", Type: TypeBool}, + {Scope: ScopeGlobal, Name: InnodbRandomReadAhead, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal | ScopeSession, Name: UniqueChecks, Value: BoolOn, Type: TypeBool}, {Scope: ScopeGlobal, Name: "internal_tmp_disk_storage_engine", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: "myisam_repair_threads", Value: "1"}, {Scope: ScopeGlobal, Name: "ndb_eventbuffer_max_alloc", Value: ""}, @@ -507,8 +528,8 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "innodb_thread_sleep_delay", Value: "10000"}, {Scope: ScopeNone, Name: "license", Value: "Apache License 2.0"}, {Scope: ScopeGlobal, Name: "innodb_ft_aux_table", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: SQLWarnings, Value: "0", Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: KeepFilesOnCreate, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: SQLWarnings, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: KeepFilesOnCreate, Value: BoolOff, Type: TypeBool}, {Scope: ScopeNone, Name: "innodb_data_file_path", Value: "ibdata1:12M:autoextend"}, {Scope: ScopeNone, Name: "performance_schema_setup_actors_size", Value: "100"}, {Scope: ScopeNone, Name: "innodb_additional_mem_pool_size", Value: "8388608"}, @@ -519,7 +540,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "performance_schema_max_rwlock_instances", Value: "9102"}, {Scope: ScopeGlobal, Name: "table_open_cache", Value: "2000"}, {Scope: ScopeNone, Name: "performance_schema_events_stages_history_long_size", Value: "10000"}, - {Scope: ScopeGlobal | ScopeSession, Name: AutoCommit, Value: "1", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: AutoCommit, Value: BoolOn, Type: TypeBool}, {Scope: ScopeSession, Name: "insert_id", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: "default_tmp_storage_engine", Value: "InnoDB"}, {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_search_depth", Value: "62"}, @@ -533,7 +554,7 @@ var defaultSysVars = []*SysVar{ // In MySQL, the default value of `explicit_defaults_for_timestamp` is `0`. // But In TiDB, it's set to `1` to be consistent with TiDB timestamp behavior. // See: https://github.com/pingcap/tidb/pull/6068 for details - {Scope: ScopeNone, Name: "explicit_defaults_for_timestamp", Value: "1"}, + {Scope: ScopeNone, Name: "explicit_defaults_for_timestamp", Value: BoolOn, Type: TypeBool}, {Scope: ScopeNone, Name: "performance_schema_events_waits_history_size", Value: "10"}, {Scope: ScopeGlobal, Name: "log_syslog_tag", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: TxReadOnly, Value: "0"}, @@ -556,10 +577,10 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: "completion_type", Value: "NO_CHAIN"}, {Scope: ScopeGlobal, Name: "binlog_checksum", Value: "CRC32"}, {Scope: ScopeNone, Name: "report_port", Value: "3306"}, - {Scope: ScopeGlobal | ScopeSession, Name: ShowOldTemporals, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: ShowOldTemporals, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal, Name: "query_cache_limit", Value: "1048576"}, {Scope: ScopeGlobal, Name: "innodb_buffer_pool_size", Value: "134217728"}, - {Scope: ScopeGlobal, Name: InnodbAdaptiveFlushing, Value: "1", Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: InnodbAdaptiveFlushing, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeNone, Name: "datadir", Value: "/usr/local/mysql/data/"}, {Scope: ScopeGlobal | ScopeSession, Name: WaitTimeout, Value: strconv.FormatInt(DefWaitTimeout, 10), Type: TypeUnsigned, MinValue: 0, MaxValue: 31536000, AutoConvertOutOfRange: true}, {Scope: ScopeGlobal, Name: "innodb_monitor_enable", Value: ""}, @@ -576,14 +597,14 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "innodb_old_blocks_time", Value: "1000"}, {Scope: ScopeGlobal, Name: "innodb_stats_method", Value: "nulls_equal"}, {Scope: ScopeGlobal | ScopeSession, Name: InnodbLockWaitTimeout, Value: strconv.FormatInt(DefInnodbLockWaitTimeout, 10), Type: TypeUnsigned, MinValue: 1, MaxValue: 1073741824, AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal, Name: LocalInFile, Value: "1", Type: TypeBool}, + {Scope: ScopeGlobal, Name: LocalInFile, Value: BoolOn, Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: "myisam_stats_method", Value: "nulls_unequal"}, {Scope: ScopeNone, Name: "version_compile_os", Value: "osx10.8"}, {Scope: ScopeNone, Name: "relay_log_recovery", Value: "0"}, {Scope: ScopeNone, Name: "old", Value: "0"}, - {Scope: ScopeGlobal | ScopeSession, Name: InnodbTableLocks, Value: "1", Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeNone, Name: PerformanceSchema, Value: "0", Type: TypeBool}, - {Scope: ScopeNone, Name: "myisam_recover_options", Value: "OFF"}, + {Scope: ScopeGlobal | ScopeSession, Name: InnodbTableLocks, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeNone, Name: PerformanceSchema, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeNone, Name: "myisam_recover_options", Value: BoolOff}, {Scope: ScopeGlobal | ScopeSession, Name: NetBufferLength, Value: "16384"}, {Scope: ScopeGlobal | ScopeSession, Name: "binlog_row_image", Value: "FULL"}, {Scope: ScopeNone, Name: "innodb_locks_unsafe_for_binlog", Value: "0"}, @@ -599,11 +620,11 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "innodb_undo_logs", Value: "128"}, {Scope: ScopeNone, Name: "performance_schema_max_cond_instances", Value: "3504"}, {Scope: ScopeGlobal, Name: "delayed_insert_limit", Value: "100"}, - {Scope: ScopeGlobal, Name: Flush, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal, Name: Flush, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: "eq_range_index_dive_limit", Value: "10"}, {Scope: ScopeNone, Name: "performance_schema_events_stages_history_size", Value: "10"}, {Scope: ScopeGlobal | ScopeSession, Name: "character_set_connection", Value: mysql.DefaultCharset}, - {Scope: ScopeGlobal, Name: MyISAMUseMmap, Value: "0", Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: MyISAMUseMmap, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeGlobal | ScopeSession, Name: "ndb_join_pushdown", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: CharacterSetServer, Value: mysql.DefaultCharset}, {Scope: ScopeGlobal, Name: "validate_password_special_char_count", Value: "1"}, @@ -622,70 +643,70 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "innodb_undo_directory", Value: "."}, {Scope: ScopeNone, Name: "bind_address", Value: "*"}, {Scope: ScopeGlobal, Name: "innodb_sync_spin_loops", Value: "30"}, - {Scope: ScopeGlobal | ScopeSession, Name: SQLSafeUpdates, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: SQLSafeUpdates, Value: BoolOff, Type: TypeBool}, {Scope: ScopeNone, Name: "tmpdir", Value: "/var/tmp/"}, {Scope: ScopeGlobal, Name: "innodb_thread_concurrency", Value: "0"}, {Scope: ScopeGlobal, Name: "innodb_buffer_pool_dump_pct", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: "lc_time_names", Value: "en_US"}, {Scope: ScopeGlobal | ScopeSession, Name: "max_statement_time", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: EndMakersInJSON, Value: "0", Type: TypeBool}, - {Scope: ScopeGlobal, Name: AvoidTemporalUpgrade, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: EndMakersInJSON, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: AvoidTemporalUpgrade, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal, Name: "key_cache_age_threshold", Value: "300"}, - {Scope: ScopeGlobal, Name: InnodbStatusOutput, Value: "0", Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: InnodbStatusOutput, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeSession, Name: "identity", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: "min_examined_row_limit", Value: "0"}, - {Scope: ScopeGlobal, Name: "sync_frm", Value: "ON"}, + {Scope: ScopeGlobal, Name: "sync_frm", Type: TypeBool, Value: BoolOn}, {Scope: ScopeGlobal, Name: "innodb_online_alter_log_max_size", Value: "134217728"}, - {Scope: ScopeSession, Name: WarningCount, Value: "0"}, - {Scope: ScopeSession, Name: ErrorCount, Value: "0"}, + {Scope: ScopeSession, Name: WarningCount, Value: "0", ReadOnly: true}, + {Scope: ScopeSession, Name: ErrorCount, Value: "0", ReadOnly: true}, {Scope: ScopeGlobal | ScopeSession, Name: "information_schema_stats_expiry", Value: "86400"}, {Scope: ScopeGlobal, Name: ThreadPoolSize, Value: "16", Type: TypeUnsigned, MinValue: 1, MaxValue: 64, AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal | ScopeSession, Name: WindowingUseHighPrecision, Value: "ON", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: WindowingUseHighPrecision, Value: BoolOn, Type: TypeBool}, /* TiDB specific variables */ {Scope: ScopeSession, Name: TiDBSnapshot, Value: ""}, - {Scope: ScopeSession, Name: TiDBOptAggPushDown, Value: BoolToIntStr(DefOptAggPushDown), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptBCJ, Value: BoolToIntStr(DefOptBCJ)}, - {Scope: ScopeSession, Name: TiDBOptDistinctAggPushDown, Value: BoolToIntStr(config.GetGlobalConfig().Performance.DistinctAggPushDown), Type: TypeBool}, - {Scope: ScopeSession, Name: TiDBOptWriteRowID, Value: BoolToIntStr(DefOptWriteRowID)}, + {Scope: ScopeSession, Name: TiDBOptAggPushDown, Value: BoolToOnOff(DefOptAggPushDown), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptBCJ, Value: BoolToOnOff(DefOptBCJ)}, + {Scope: ScopeSession, Name: TiDBOptDistinctAggPushDown, Value: BoolToOnOff(config.GetGlobalConfig().Performance.DistinctAggPushDown), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBOptWriteRowID, Value: BoolToOnOff(DefOptWriteRowID)}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBBuildStatsConcurrency, Value: strconv.Itoa(DefBuildStatsConcurrency)}, - {Scope: ScopeGlobal, Name: TiDBAutoAnalyzeRatio, Value: strconv.FormatFloat(DefAutoAnalyzeRatio, 'f', -1, 64)}, + {Scope: ScopeGlobal, Name: TiDBAutoAnalyzeRatio, Value: strconv.FormatFloat(DefAutoAnalyzeRatio, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal, Name: TiDBAutoAnalyzeStartTime, Value: DefAutoAnalyzeStartTime}, {Scope: ScopeGlobal, Name: TiDBAutoAnalyzeEndTime, Value: DefAutoAnalyzeEndTime}, {Scope: ScopeSession, Name: TiDBChecksumTableConcurrency, Value: strconv.Itoa(DefChecksumTableConcurrency)}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBExecutorConcurrency, Value: strconv.Itoa(DefExecutorConcurrency), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBDistSQLScanConcurrency, Value: strconv.Itoa(DefDistSQLScanConcurrency), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptInSubqToJoinAndAgg, Value: BoolToIntStr(DefOptInSubqToJoinAndAgg), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptCorrelationThreshold, Value: strconv.FormatFloat(DefOptCorrelationThreshold, 'f', -1, 64)}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptInSubqToJoinAndAgg, Value: BoolToOnOff(DefOptInSubqToJoinAndAgg), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptCorrelationThreshold, Value: strconv.FormatFloat(DefOptCorrelationThreshold, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: 1}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptCorrelationExpFactor, Value: strconv.Itoa(DefOptCorrelationExpFactor), Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptCPUFactor, Value: strconv.FormatFloat(DefOptCPUFactor, 'f', -1, 64)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptTiFlashConcurrencyFactor, Value: strconv.FormatFloat(DefOptTiFlashConcurrencyFactor, 'f', -1, 64)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptCopCPUFactor, Value: strconv.FormatFloat(DefOptCopCPUFactor, 'f', -1, 64)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptNetworkFactor, Value: strconv.FormatFloat(DefOptNetworkFactor, 'f', -1, 64)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptScanFactor, Value: strconv.FormatFloat(DefOptScanFactor, 'f', -1, 64)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptDescScanFactor, Value: strconv.FormatFloat(DefOptDescScanFactor, 'f', -1, 64)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptSeekFactor, Value: strconv.FormatFloat(DefOptSeekFactor, 'f', -1, 64)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptMemoryFactor, Value: strconv.FormatFloat(DefOptMemoryFactor, 'f', -1, 64)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptDiskFactor, Value: strconv.FormatFloat(DefOptDiskFactor, 'f', -1, 64)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptConcurrencyFactor, Value: strconv.FormatFloat(DefOptConcurrencyFactor, 'f', -1, 64)}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptCPUFactor, Value: strconv.FormatFloat(DefOptCPUFactor, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: math.MaxUint64}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptTiFlashConcurrencyFactor, Value: strconv.FormatFloat(DefOptTiFlashConcurrencyFactor, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: math.MaxUint64}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptCopCPUFactor, Value: strconv.FormatFloat(DefOptCopCPUFactor, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: math.MaxUint64}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptNetworkFactor, Value: strconv.FormatFloat(DefOptNetworkFactor, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: math.MaxUint64}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptScanFactor, Value: strconv.FormatFloat(DefOptScanFactor, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: math.MaxUint64}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptDescScanFactor, Value: strconv.FormatFloat(DefOptDescScanFactor, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: math.MaxUint64}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptSeekFactor, Value: strconv.FormatFloat(DefOptSeekFactor, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: math.MaxUint64}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptMemoryFactor, Value: strconv.FormatFloat(DefOptMemoryFactor, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: math.MaxUint64}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptDiskFactor, Value: strconv.FormatFloat(DefOptDiskFactor, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: math.MaxUint64}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptConcurrencyFactor, Value: strconv.FormatFloat(DefOptConcurrencyFactor, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBIndexJoinBatchSize, Value: strconv.Itoa(DefIndexJoinBatchSize), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBIndexLookupSize, Value: strconv.Itoa(DefIndexLookupSize), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBIndexLookupConcurrency, Value: strconv.Itoa(DefIndexLookupConcurrency)}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBIndexLookupJoinConcurrency, Value: strconv.Itoa(DefIndexLookupJoinConcurrency)}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBIndexSerialScanConcurrency, Value: strconv.Itoa(DefIndexSerialScanConcurrency), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBSkipUTF8Check, Value: BoolToIntStr(DefSkipUTF8Check), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBSkipASCIICheck, Value: BoolToIntStr(DefSkipASCIICheck), Type: TypeBool}, - {Scope: ScopeSession, Name: TiDBBatchInsert, Value: BoolToIntStr(DefBatchInsert), Type: TypeBool}, - {Scope: ScopeSession, Name: TiDBBatchDelete, Value: BoolToIntStr(DefBatchDelete), Type: TypeBool}, - {Scope: ScopeSession, Name: TiDBBatchCommit, Value: BoolToIntStr(DefBatchCommit), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBSkipUTF8Check, Value: BoolToOnOff(DefSkipUTF8Check), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBSkipASCIICheck, Value: BoolToOnOff(DefSkipASCIICheck), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBBatchInsert, Value: BoolToOnOff(DefBatchInsert), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBBatchDelete, Value: BoolToOnOff(DefBatchDelete), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBBatchCommit, Value: BoolToOnOff(DefBatchCommit), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBDMLBatchSize, Value: strconv.Itoa(DefDMLBatchSize), Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64}, {Scope: ScopeSession, Name: TiDBCurrentTS, Value: strconv.Itoa(DefCurretTS)}, {Scope: ScopeSession, Name: TiDBLastTxnInfo, Value: strconv.Itoa(DefCurretTS)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBMaxChunkSize, Value: strconv.Itoa(DefMaxChunkSize)}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBMaxChunkSize, Value: strconv.Itoa(DefMaxChunkSize), Type: TypeUnsigned, MinValue: maxChunkSizeLowerBound, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowBatchCop, Value: strconv.Itoa(DefTiDBAllowBatchCop)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBInitChunkSize, Value: strconv.Itoa(DefInitChunkSize)}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBInitChunkSize, Value: strconv.Itoa(DefInitChunkSize), Type: TypeUnsigned, MinValue: 1, MaxValue: initChunkSizeUpperBound}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableCascadesPlanner, Value: "0", Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableIndexMerge, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableCascadesPlanner, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableIndexMerge, Value: BoolOff, Type: TypeBool}, {Scope: ScopeSession, Name: TIDBMemQuotaQuery, Value: strconv.FormatInt(config.GetGlobalConfig().MemQuotaQuery, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeGlobal, Name: TIDBMemQuotaStatistics, Value: strconv.FormatInt(config.GetGlobalConfig().MemQuotaStatistics, 10), Type: TypeInt, MinValue: int64(32 << 30), MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TIDBMemQuotaHashJoin, Value: strconv.FormatInt(DefTiDBMemQuotaHashJoin, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, @@ -695,32 +716,32 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TIDBMemQuotaIndexLookupReader, Value: strconv.FormatInt(DefTiDBMemQuotaIndexLookupReader, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TIDBMemQuotaIndexLookupJoin, Value: strconv.FormatInt(DefTiDBMemQuotaIndexLookupJoin, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TIDBMemQuotaNestedLoopApply, Value: strconv.FormatInt(DefTiDBMemQuotaNestedLoopApply, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, - {Scope: ScopeSession, Name: TiDBEnableStreaming, Value: "0", Type: TypeBool}, - {Scope: ScopeSession, Name: TiDBEnableChunkRPC, Value: "1", Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBEnableStreaming, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBEnableChunkRPC, Value: BoolOn, Type: TypeBool}, {Scope: ScopeSession, Name: TxnIsolationOneShot, Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableTablePartition, Value: "on"}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableTablePartition, Value: BoolOn, Type: TypeEnum, PossibleValues: []string{BoolOff, BoolOn, "AUTO"}}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBHashJoinConcurrency, Value: strconv.Itoa(DefTiDBHashJoinConcurrency)}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBProjectionConcurrency, Value: strconv.Itoa(DefTiDBProjectionConcurrency), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBHashAggPartialConcurrency, Value: strconv.Itoa(DefTiDBHashAggPartialConcurrency)}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBHashAggFinalConcurrency, Value: strconv.Itoa(DefTiDBHashAggFinalConcurrency)}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBWindowConcurrency, Value: strconv.Itoa(DefTiDBWindowConcurrency)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableParallelApply, Value: BoolToIntStr(DefTiDBEnableParallelApply), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableParallelApply, Value: BoolToOnOff(DefTiDBEnableParallelApply), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBBackoffLockFast, Value: strconv.Itoa(kv.DefBackoffLockFast), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBBackOffWeight, Value: strconv.Itoa(kv.DefBackOffWeight), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBRetryLimit, Value: strconv.Itoa(DefTiDBRetryLimit), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBDisableTxnAutoRetry, Value: BoolToIntStr(DefTiDBDisableTxnAutoRetry), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBConstraintCheckInPlace, Value: BoolToIntStr(DefTiDBConstraintCheckInPlace), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBDisableTxnAutoRetry, Value: BoolToOnOff(DefTiDBDisableTxnAutoRetry), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBConstraintCheckInPlace, Value: BoolToOnOff(DefTiDBConstraintCheckInPlace), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBTxnMode, Value: DefTiDBTxnMode}, - {Scope: ScopeGlobal, Name: TiDBRowFormatVersion, Value: strconv.Itoa(DefTiDBRowFormatV1)}, + {Scope: ScopeGlobal, Name: TiDBRowFormatVersion, Value: strconv.Itoa(DefTiDBRowFormatV1), Type: TypeUnsigned, MinValue: 1, MaxValue: 2}, {Scope: ScopeSession, Name: TiDBOptimizerSelectivityLevel, Value: strconv.Itoa(DefTiDBOptimizerSelectivityLevel), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableWindowFunction, Value: BoolToIntStr(DefEnableWindowFunction), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableVectorizedExpression, Value: BoolToIntStr(DefEnableVectorizedExpression), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableFastAnalyze, Value: BoolToIntStr(DefTiDBUseFastAnalyze), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBSkipIsolationLevelCheck, Value: BoolToIntStr(DefTiDBSkipIsolationLevelCheck), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableWindowFunction, Value: BoolToOnOff(DefEnableWindowFunction), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableVectorizedExpression, Value: BoolToOnOff(DefEnableVectorizedExpression), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableFastAnalyze, Value: BoolToOnOff(DefTiDBUseFastAnalyze), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBSkipIsolationLevelCheck, Value: BoolToOnOff(DefTiDBSkipIsolationLevelCheck), Type: TypeBool}, /* The following variable is defined as session scope but is actually server scope. */ - {Scope: ScopeSession, Name: TiDBGeneralLog, Value: strconv.Itoa(DefTiDBGeneralLog), Type: TypeBool}, - {Scope: ScopeSession, Name: TiDBPProfSQLCPU, Value: strconv.Itoa(DefTiDBPProfSQLCPU), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBGeneralLog, Value: int32ToBoolStr(DefTiDBGeneralLog), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBPProfSQLCPU, Value: strconv.Itoa(DefTiDBPProfSQLCPU), Type: TypeInt, MinValue: 0, MaxValue: 1}, {Scope: ScopeSession, Name: TiDBDDLSlowOprThreshold, Value: strconv.Itoa(DefTiDBDDLSlowOprThreshold)}, {Scope: ScopeSession, Name: TiDBConfig, Value: ""}, {Scope: ScopeGlobal, Name: TiDBDDLReorgWorkerCount, Value: strconv.Itoa(DefTiDBDDLReorgWorkerCount), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, @@ -728,87 +749,87 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: TiDBDDLErrorCountLimit, Value: strconv.Itoa(DefTiDBDDLErrorCountLimit), Type: TypeUnsigned, MinValue: 0, MaxValue: uint64(math.MaxInt64), AutoConvertOutOfRange: true}, {Scope: ScopeSession, Name: TiDBDDLReorgPriority, Value: "PRIORITY_LOW"}, {Scope: ScopeGlobal, Name: TiDBMaxDeltaSchemaCount, Value: strconv.Itoa(DefTiDBMaxDeltaSchemaCount), Type: TypeUnsigned, MinValue: 100, MaxValue: 16384, AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal, Name: TiDBEnableChangeColumnType, Value: BoolToIntStr(DefTiDBChangeColumnType), Type: TypeBool}, + {Scope: ScopeGlobal, Name: TiDBEnableChangeColumnType, Value: BoolToOnOff(DefTiDBChangeColumnType), Type: TypeBool}, {Scope: ScopeSession, Name: TiDBForcePriority, Value: mysql.Priority2Str[DefTiDBForcePriority]}, - {Scope: ScopeSession, Name: TiDBEnableRadixJoin, Value: BoolToIntStr(DefTiDBUseRadixJoin), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptJoinReorderThreshold, Value: strconv.Itoa(DefTiDBOptJoinReorderThreshold)}, + {Scope: ScopeSession, Name: TiDBEnableRadixJoin, Value: BoolToOnOff(DefTiDBUseRadixJoin), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptJoinReorderThreshold, Value: strconv.Itoa(DefTiDBOptJoinReorderThreshold), Type: TypeUnsigned, MinValue: 0, MaxValue: 63}, {Scope: ScopeSession, Name: TiDBSlowQueryFile, Value: ""}, - {Scope: ScopeGlobal, Name: TiDBScatterRegion, Value: BoolToIntStr(DefTiDBScatterRegion), Type: TypeBool}, - {Scope: ScopeSession, Name: TiDBWaitSplitRegionFinish, Value: BoolToIntStr(DefTiDBWaitSplitRegionFinish), Type: TypeBool}, - {Scope: ScopeSession, Name: TiDBWaitSplitRegionTimeout, Value: strconv.Itoa(DefWaitSplitRegionTimeout)}, - {Scope: ScopeSession, Name: TiDBLowResolutionTSO, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal, Name: TiDBScatterRegion, Value: BoolToOnOff(DefTiDBScatterRegion), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBWaitSplitRegionFinish, Value: BoolToOnOff(DefTiDBWaitSplitRegionFinish), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBWaitSplitRegionTimeout, Value: strconv.Itoa(DefWaitSplitRegionTimeout), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxInt64}, + {Scope: ScopeSession, Name: TiDBLowResolutionTSO, Value: BoolOff, Type: TypeBool}, {Scope: ScopeSession, Name: TiDBExpensiveQueryTimeThreshold, Value: strconv.Itoa(DefTiDBExpensiveQueryTimeThreshold), Type: TypeUnsigned, MinValue: int64(MinExpensiveQueryTimeThreshold), MaxValue: uint64(math.MaxInt64), AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableNoopFuncs, Value: BoolToIntStr(DefTiDBEnableNoopFuncs), Type: TypeBool}, - {Scope: ScopeSession, Name: TiDBReplicaRead, Value: "leader"}, - {Scope: ScopeSession, Name: TiDBAllowRemoveAutoInc, Value: BoolToIntStr(DefTiDBAllowRemoveAutoInc), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableStmtSummary, Value: BoolToIntStr(config.GetGlobalConfig().StmtSummary.Enable)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBStmtSummaryInternalQuery, Value: BoolToIntStr(config.GetGlobalConfig().StmtSummary.EnableInternalQuery)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBStmtSummaryRefreshInterval, Value: strconv.Itoa(config.GetGlobalConfig().StmtSummary.RefreshInterval)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBStmtSummaryHistorySize, Value: strconv.Itoa(config.GetGlobalConfig().StmtSummary.HistorySize)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBStmtSummaryMaxStmtCount, Value: strconv.FormatUint(uint64(config.GetGlobalConfig().StmtSummary.MaxStmtCount), 10)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBStmtSummaryMaxSQLLength, Value: strconv.FormatUint(uint64(config.GetGlobalConfig().StmtSummary.MaxSQLLength), 10)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBCapturePlanBaseline, Value: "off"}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBUsePlanBaselines, Value: boolToOnOff(DefTiDBUsePlanBaselines), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBEvolvePlanBaselines, Value: boolToOnOff(DefTiDBEvolvePlanBaselines), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableNoopFuncs, Value: BoolToOnOff(DefTiDBEnableNoopFuncs), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBReplicaRead, Value: "leader", Type: TypeEnum, PossibleValues: []string{"leader", "follower", "leader-and-follower"}}, + {Scope: ScopeSession, Name: TiDBAllowRemoveAutoInc, Value: BoolToOnOff(DefTiDBAllowRemoveAutoInc), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableStmtSummary, Value: BoolToOnOff(config.GetGlobalConfig().StmtSummary.Enable), Type: TypeBool, AllowEmpty: true}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBStmtSummaryInternalQuery, Value: BoolToOnOff(config.GetGlobalConfig().StmtSummary.EnableInternalQuery), Type: TypeBool, AllowEmpty: true}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBStmtSummaryRefreshInterval, Value: strconv.Itoa(config.GetGlobalConfig().StmtSummary.RefreshInterval), Type: TypeInt, MinValue: 1, MaxValue: uint64(math.MaxInt32), AllowEmpty: true}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBStmtSummaryHistorySize, Value: strconv.Itoa(config.GetGlobalConfig().StmtSummary.HistorySize), Type: TypeInt, MinValue: 0, MaxValue: uint64(math.MaxUint8), AllowEmpty: true}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBStmtSummaryMaxStmtCount, Value: strconv.FormatUint(uint64(config.GetGlobalConfig().StmtSummary.MaxStmtCount), 10), Type: TypeInt, MinValue: 1, MaxValue: uint64(math.MaxInt16), AllowEmpty: true}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBStmtSummaryMaxSQLLength, Value: strconv.FormatUint(uint64(config.GetGlobalConfig().StmtSummary.MaxSQLLength), 10), Type: TypeInt, MinValue: 0, MaxValue: uint64(math.MaxInt32), AllowEmpty: true}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBCapturePlanBaseline, Value: BoolOff, Type: TypeBool, AllowEmptyAll: true}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBUsePlanBaselines, Value: BoolToOnOff(DefTiDBUsePlanBaselines), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEvolvePlanBaselines, Value: BoolToOnOff(DefTiDBEvolvePlanBaselines), Type: TypeBool}, {Scope: ScopeGlobal, Name: TiDBEvolvePlanTaskMaxTime, Value: strconv.Itoa(DefTiDBEvolvePlanTaskMaxTime), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeGlobal, Name: TiDBEvolvePlanTaskStartTime, Value: DefTiDBEvolvePlanTaskStartTime}, {Scope: ScopeGlobal, Name: TiDBEvolvePlanTaskEndTime, Value: DefTiDBEvolvePlanTaskEndTime}, {Scope: ScopeSession, Name: TiDBIsolationReadEngines, Value: strings.Join(config.GetGlobalConfig().IsolationRead.Engines, ", ")}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBStoreLimit, Value: strconv.FormatInt(atomic.LoadInt64(&config.GetGlobalConfig().TiKVClient.StoreLimit), 10), Type: TypeInt, MinValue: 0, MaxValue: uint64(math.MaxInt64), AutoConvertOutOfRange: true}, - {Scope: ScopeSession, Name: TiDBMetricSchemaStep, Value: strconv.Itoa(DefTiDBMetricSchemaStep)}, - {Scope: ScopeSession, Name: TiDBMetricSchemaRangeDuration, Value: strconv.Itoa(DefTiDBMetricSchemaRangeDuration)}, + {Scope: ScopeSession, Name: TiDBMetricSchemaStep, Value: strconv.Itoa(DefTiDBMetricSchemaStep), Type: TypeUnsigned, MinValue: 10, MaxValue: 60 * 60 * 60}, + {Scope: ScopeSession, Name: TiDBMetricSchemaRangeDuration, Value: strconv.Itoa(DefTiDBMetricSchemaRangeDuration), Type: TypeUnsigned, MinValue: 10, MaxValue: 60 * 60 * 60}, {Scope: ScopeSession, Name: TiDBSlowLogThreshold, Value: strconv.Itoa(logutil.DefaultSlowThreshold), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, - {Scope: ScopeSession, Name: TiDBRecordPlanInSlowLog, Value: strconv.Itoa(logutil.DefaultRecordPlanInSlowLog), Type: TypeBool}, - {Scope: ScopeSession, Name: TiDBEnableSlowLog, Value: BoolToIntStr(logutil.DefaultTiDBEnableSlowLog), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBRecordPlanInSlowLog, Value: int32ToBoolStr(logutil.DefaultRecordPlanInSlowLog), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBEnableSlowLog, Value: BoolToOnOff(logutil.DefaultTiDBEnableSlowLog), Type: TypeBool}, {Scope: ScopeSession, Name: TiDBQueryLogMaxLen, Value: strconv.Itoa(logutil.DefaultQueryLogMaxLen), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, - {Scope: ScopeSession, Name: TiDBCheckMb4ValueInUTF8, Value: BoolToIntStr(config.GetGlobalConfig().CheckMb4ValueInUTF8), Type: TypeBool}, - {Scope: ScopeSession, Name: TiDBFoundInPlanCache, Value: BoolToIntStr(DefTiDBFoundInPlanCache), Type: TypeBool}, - {Scope: ScopeSession, Name: TiDBEnableCollectExecutionInfo, Value: BoolToIntStr(DefTiDBEnableCollectExecutionInfo), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowAutoRandExplicitInsert, Value: boolToOnOff(DefTiDBAllowAutoRandExplicitInsert), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableClusteredIndex, Value: BoolToIntStr(DefTiDBEnableClusteredIndex), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBCheckMb4ValueInUTF8, Value: BoolToOnOff(config.GetGlobalConfig().CheckMb4ValueInUTF8), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBFoundInPlanCache, Value: BoolToOnOff(DefTiDBFoundInPlanCache), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBEnableCollectExecutionInfo, Value: BoolToOnOff(DefTiDBEnableCollectExecutionInfo), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowAutoRandExplicitInsert, Value: BoolToOnOff(DefTiDBAllowAutoRandExplicitInsert), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableClusteredIndex, Value: BoolToOnOff(DefTiDBEnableClusteredIndex), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBPartitionPruneMode, Value: string(StaticOnly), Type: TypeStr}, - {Scope: ScopeGlobal, Name: TiDBSlowLogMasking, Value: BoolToIntStr(DefTiDBSlowLogMasking)}, - {Scope: ScopeGlobal, Name: TiDBRedactLog, Value: strconv.Itoa(config.DefTiDBRedactLog)}, + {Scope: ScopeGlobal, Name: TiDBSlowLogMasking, Value: BoolToOnOff(DefTiDBSlowLogMasking), Type: TypeBool}, + {Scope: ScopeGlobal, Name: TiDBRedactLog, Value: int32ToBoolStr(config.DefTiDBRedactLog), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBShardAllocateStep, Value: strconv.Itoa(DefTiDBShardAllocateStep), Type: TypeInt, MinValue: 1, MaxValue: uint64(math.MaxInt64), AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal, Name: TiDBEnableTelemetry, Value: BoolToIntStr(DefTiDBEnableTelemetry), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableAmendPessimisticTxn, Value: boolToOnOff(DefTiDBEnableAmendPessimisticTxn), Type: TypeBool}, + {Scope: ScopeGlobal, Name: TiDBEnableTelemetry, Value: BoolToOnOff(DefTiDBEnableTelemetry), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableAmendPessimisticTxn, Value: BoolToOnOff(DefTiDBEnableAmendPessimisticTxn), Type: TypeBool}, // for compatibility purpose, we should leave them alone. // TODO: Follow the Terminology Updates of MySQL after their changes arrived. // https://mysqlhighavailability.com/mysql-terminology-updates/ - {Scope: ScopeSession, Name: PseudoSlaveMode, Value: "", Type: TypeBool}, + {Scope: ScopeSession, Name: PseudoSlaveMode, Value: "", Type: TypeInt}, {Scope: ScopeGlobal, Name: "slave_pending_jobs_size_max", Value: "16777216"}, {Scope: ScopeGlobal, Name: "slave_transaction_retries", Value: "10"}, {Scope: ScopeGlobal, Name: "slave_checkpoint_period", Value: "300"}, - {Scope: ScopeGlobal, Name: MasterVerifyChecksum, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal, Name: MasterVerifyChecksum, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_trace_level", Value: ""}, {Scope: ScopeGlobal, Name: "master_info_repository", Value: "FILE"}, {Scope: ScopeGlobal, Name: "rpl_stop_slave_timeout", Value: "31536000"}, {Scope: ScopeGlobal, Name: "slave_net_timeout", Value: "3600"}, {Scope: ScopeGlobal, Name: "sync_master_info", Value: "10000"}, {Scope: ScopeGlobal, Name: "init_slave", Value: ""}, - {Scope: ScopeGlobal, Name: SlaveCompressedProtocol, Value: "0"}, + {Scope: ScopeGlobal, Name: SlaveCompressedProtocol, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal, Name: "rpl_semi_sync_slave_trace_level", Value: ""}, - {Scope: ScopeGlobal, Name: LogSlowSlaveStatements, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal, Name: LogSlowSlaveStatements, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal, Name: "slave_checkpoint_group", Value: "512"}, {Scope: ScopeNone, Name: "slave_load_tmpdir", Value: "/var/tmp/"}, {Scope: ScopeGlobal, Name: "slave_parallel_type", Value: ""}, {Scope: ScopeGlobal, Name: "slave_parallel_workers", Value: "0"}, - {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_timeout", Value: ""}, - {Scope: ScopeNone, Name: "slave_skip_errors", Value: "OFF"}, + {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_timeout", Value: "10000", Type: TypeInt}, + {Scope: ScopeNone, Name: "slave_skip_errors", Value: BoolOff}, {Scope: ScopeGlobal, Name: "sql_slave_skip_counter", Value: "0"}, - {Scope: ScopeGlobal, Name: "rpl_semi_sync_slave_enabled", Value: ""}, - {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_enabled", Value: ""}, - {Scope: ScopeGlobal, Name: "slave_preserve_commit_order", Value: ""}, + {Scope: ScopeGlobal, Name: "rpl_semi_sync_slave_enabled", Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_enabled", Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "slave_preserve_commit_order", Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal, Name: "slave_exec_mode", Value: "STRICT"}, - {Scope: ScopeNone, Name: "log_slave_updates", Value: "0"}, - {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_wait_point", Value: ""}, - {Scope: ScopeGlobal, Name: "slave_sql_verify_checksum", Value: "1"}, + {Scope: ScopeNone, Name: "log_slave_updates", Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_wait_point", Value: "AFTER_SYNC", Type: TypeEnum, PossibleValues: []string{"AFTER_SYNC", "AFTER_COMMIT"}}, + {Scope: ScopeGlobal, Name: "slave_sql_verify_checksum", Value: BoolOn, Type: TypeBool}, {Scope: ScopeGlobal, Name: "slave_max_allowed_packet", Value: "1073741824"}, - {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_wait_for_slave_count", Value: ""}, - {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_wait_no_slave", Value: ""}, + {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_wait_for_slave_count", Value: "1", Type: TypeInt, MinValue: 1, MaxValue: 65535}, + {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_wait_no_slave", Value: BoolOn, Type: TypeBool}, {Scope: ScopeGlobal, Name: "slave_rows_search_algorithms", Value: "TABLE_SCAN,INDEX_SCAN"}, - {Scope: ScopeGlobal, Name: SlaveAllowBatching, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal, Name: SlaveAllowBatching, Value: BoolOff, Type: TypeBool}, } // SynonymsSysVariables is synonyms of system variables. diff --git a/sessionctx/variable/sysvar_test.go b/sessionctx/variable/sysvar_test.go index 51c6eba70134a..1426266ec3f70 100644 --- a/sessionctx/variable/sysvar_test.go +++ b/sessionctx/variable/sysvar_test.go @@ -40,20 +40,20 @@ func (*testSysVarSuite) TestSysVar(c *C) { f = GetSysVar("explicit_defaults_for_timestamp") c.Assert(f, NotNil) - c.Assert(f.Value, Equals, "1") + c.Assert(f.Value, Equals, "ON") f = GetSysVar("port") c.Assert(f, NotNil) c.Assert(f.Value, Equals, "4000") f = GetSysVar("tidb_low_resolution_tso") - c.Assert(f.Value, Equals, "0") + c.Assert(f.Value, Equals, "OFF") f = GetSysVar("tidb_replica_read") c.Assert(f.Value, Equals, "leader") f = GetSysVar("tidb_enable_table_partition") - c.Assert(f.Value, Equals, "on") + c.Assert(f.Value, Equals, "ON") } func (*testSysVarSuite) TestTxnMode(c *C) { diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 4415512766d7d..3c95fd9e85052 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -575,6 +575,6 @@ var ( MaxOfMaxAllowedPacket uint64 = 1073741824 ExpensiveQueryTimeThreshold uint64 = DefTiDBExpensiveQueryTimeThreshold MinExpensiveQueryTimeThreshold uint64 = 10 //10s - CapturePlanBaseline = serverGlobalVariable{globalVal: "0"} + CapturePlanBaseline = serverGlobalVariable{globalVal: BoolOff} DefExecutorConcurrency = 5 ) diff --git a/sessionctx/variable/varsutil.go b/sessionctx/variable/varsutil.go index 3bf9264e531ee..d2cfa6c1441e4 100644 --- a/sessionctx/variable/varsutil.go +++ b/sessionctx/variable/varsutil.go @@ -303,11 +303,39 @@ func checkInt64SystemVar(name, value string, min, max int64, vars *SessionVars) return value, nil } +func checkEnumSystemVar(name, value string, vars *SessionVars) (string, error) { + sv := GetSysVar(name) + // The value could be either a string or the ordinal position in the PossibleValues. + // This allows for the behavior 0 = OFF, 1 = ON, 2 = DEMAND etc. + var iStr string + for i, v := range sv.PossibleValues { + iStr = fmt.Sprintf("%d", i) + if strings.EqualFold(value, v) || strings.EqualFold(value, iStr) { + return v, nil + } + } + return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) +} + +func checkFloatSystemVar(name, value string, min, max float64, vars *SessionVars) (string, error) { + if len(value) == 0 { + return value, ErrWrongTypeForVar.GenWithStackByArgs(name) + } + val, err := strconv.ParseFloat(value, 64) + if err != nil { + return value, ErrWrongTypeForVar.GenWithStackByArgs(name) + } + if val < min || val > max { + return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) + } + return value, nil +} + func checkBoolSystemVar(name, value string, vars *SessionVars) (string, error) { if strings.EqualFold(value, "ON") { - return "1", nil + return BoolOn, nil } else if strings.EqualFold(value, "OFF") { - return "0", nil + return BoolOff, nil } val, err := strconv.ParseInt(value, 10, 64) if err == nil { @@ -317,15 +345,15 @@ func checkBoolSystemVar(name, value string, vars *SessionVars) (string, error) { sv := GetSysVar(name) if !sv.AutoConvertNegativeBool { if val == 0 { - return "0", nil + return BoolOff, nil } else if val == 1 { - return "1", nil + return BoolOn, nil } } else { if val == 1 || val < 0 { - return "1", nil + return BoolOn, nil } else if val == 0 { - return "0", nil + return BoolOff, nil } } } @@ -389,6 +417,10 @@ func CheckDeprecationSetSystemVar(s *SessionVars, name string) { // ValidateSetSystemVar checks if system variable satisfies specific restriction. func ValidateSetSystemVar(vars *SessionVars, name string, value string, scope ScopeFlag) (string, error) { sv := GetSysVar(name) + // Some sysvars are read-only. Attempting to set should always fail. + if sv.ReadOnly || sv.Scope == ScopeNone { + return value, ErrReadOnly.GenWithStackByArgs(name) + } // The string "DEFAULT" is a special keyword in MySQL, which restores // the compiled sysvar value. In which case we can skip further validation. if strings.EqualFold(value, "DEFAULT") { @@ -397,6 +429,12 @@ func ValidateSetSystemVar(vars *SessionVars, name string, value string, scope Sc } return value, ErrUnknownSystemVar.GenWithStackByArgs(name) } + // Some sysvars in TiDB have a special behavior where the empty string means + // "use the config file value". This needs to be cleaned up once the behavior + // for instance variables is determined. + if value == "" && ((sv.AllowEmpty && scope == ScopeSession) || sv.AllowEmptyAll) { + return value, nil + } // Attempt to provide validation using the SysVar struct. // Eventually the struct should handle all validation var err error @@ -408,6 +446,10 @@ func ValidateSetSystemVar(vars *SessionVars, name string, value string, scope Sc value, err = checkInt64SystemVar(name, value, sv.MinValue, int64(sv.MaxValue), vars) case TypeBool: value, err = checkBoolSystemVar(name, value, vars) + case TypeFloat: + value, err = checkFloatSystemVar(name, value, float64(sv.MinValue), float64(sv.MaxValue), vars) + case TypeEnum: + value, err = checkEnumSystemVar(name, value, vars) } // If there is no error, follow through and handle legacy cases of validation that are not handled by the type. // TODO: Move each of these validations into the SysVar as an anonymous function. @@ -416,23 +458,14 @@ func ValidateSetSystemVar(vars *SessionVars, name string, value string, scope Sc } } switch name { - case DelayKeyWrite: - if strings.EqualFold(value, "ON") || value == "1" { - return "ON", nil - } else if strings.EqualFold(value, "OFF") || value == "0" { - return "OFF", nil - } else if strings.EqualFold(value, "ALL") || value == "2" { - return "ALL", nil - } - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) case ForeignKeyChecks: - if strings.EqualFold(value, "ON") || value == "1" { + if TiDBOptOn(value) { // TiDB does not yet support foreign keys. // For now, resist the change and show a warning. vars.StmtCtx.AppendWarning(ErrUnsupportedValueForVar.GenWithStackByArgs(name, value)) - return "OFF", nil - } else if strings.EqualFold(value, "OFF") || value == "0" { - return "OFF", nil + return BoolOff, nil + } else if !TiDBOptOn(value) { + return BoolOff, nil } return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) case GroupConcatMaxLen: @@ -445,68 +478,22 @@ func ValidateSetSystemVar(vars *SessionVars, name string, value string, scope Sc maxLen = uint64(math.MaxUint32) } return checkUInt64SystemVar(name, value, 4, maxLen, vars) - case SessionTrackGtids: - if strings.EqualFold(value, "OFF") || value == "0" { - return "OFF", nil - } else if strings.EqualFold(value, "OWN_GTID") || value == "1" { - return "OWN_GTID", nil - } else if strings.EqualFold(value, "ALL_GTIDS") || value == "2" { - return "ALL_GTIDS", nil - } - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) case TimeZone: if strings.EqualFold(value, "SYSTEM") { return "SYSTEM", nil } _, err := parseTimeZone(value) return value, err - case WarningCount, ErrorCount: - return value, ErrReadOnly.GenWithStackByArgs(name) - case EnforceGtidConsistency: - if strings.EqualFold(value, "OFF") || value == "0" { - return "OFF", nil - } else if strings.EqualFold(value, "ON") || value == "1" { - return "ON", nil - } else if strings.EqualFold(value, "WARN") || value == "2" { - return "WARN", nil - } - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - case QueryCacheType: - if strings.EqualFold(value, "OFF") || value == "0" { - return "OFF", nil - } else if strings.EqualFold(value, "ON") || value == "1" { - return "ON", nil - } else if strings.EqualFold(value, "DEMAND") || value == "2" { - return "DEMAND", nil - } - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) case SecureAuth: - if strings.EqualFold(value, "ON") || value == "1" { - return "1", nil - } - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - case WindowingUseHighPrecision: - if strings.EqualFold(value, "OFF") || value == "0" { - return "OFF", nil - } else if strings.EqualFold(value, "ON") || value == "1" { - return "ON", nil + if TiDBOptOn(value) { + return BoolOn, nil } return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) case TiDBOptBCJ: - if (strings.EqualFold(value, "ON") || value == "1") && vars.AllowBatchCop == 0 { + if TiDBOptOn(value) && vars.AllowBatchCop == 0 { return value, ErrWrongValueForVar.GenWithStackByArgs("Can't set Broadcast Join to 1 but tidb_allow_batch_cop is 0, please active batch cop at first.") } return value, nil - case TiDBEnableTablePartition: - switch { - case strings.EqualFold(value, "ON") || value == "1": - return "on", nil - case strings.EqualFold(value, "OFF") || value == "0": - return "off", nil - case strings.EqualFold(value, "AUTO"): - return "auto", nil - } - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) case TiDBIndexLookupConcurrency, TiDBIndexLookupJoinConcurrency, TiDBHashJoinConcurrency, @@ -521,15 +508,6 @@ func ValidateSetSystemVar(vars *SessionVars, name string, value string, scope Sc return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) } return value, nil - case TiDBOptCorrelationThreshold: - v, err := strconv.ParseFloat(value, 64) - if err != nil { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - if v < 0 || v > 1 { - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - } - return value, nil case TiDBAllowBatchCop: v, err := strconv.ParseInt(value, 10, 64) if err != nil { @@ -542,36 +520,12 @@ func ValidateSetSystemVar(vars *SessionVars, name string, value string, scope Sc return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) } return value, nil - case TiDBOptCPUFactor, - TiDBOptTiFlashConcurrencyFactor, - TiDBOptCopCPUFactor, - TiDBOptNetworkFactor, - TiDBOptScanFactor, - TiDBOptDescScanFactor, - TiDBOptSeekFactor, - TiDBOptMemoryFactor, - TiDBOptDiskFactor, - TiDBOptConcurrencyFactor: - v, err := strconv.ParseFloat(value, 64) - if err != nil { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - if v < 0 { - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - } - return value, nil case TiDBAutoAnalyzeStartTime, TiDBAutoAnalyzeEndTime, TiDBEvolvePlanTaskStartTime, TiDBEvolvePlanTaskEndTime: v, err := setDayTime(vars, value) if err != nil { return "", err } return v, nil - case TiDBAutoAnalyzeRatio: - v, err := strconv.ParseFloat(value, 64) - if err != nil || v < 0 { - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - } - return value, nil case TxnIsolation, TransactionIsolation: upVal := strings.ToUpper(value) _, exists := TxIsolationNames[upVal] @@ -597,120 +551,16 @@ func ValidateSetSystemVar(vars *SessionVars, name string, value string, scope Sc } } return upVal, nil - case TiDBInitChunkSize: - v, err := strconv.Atoi(value) - if err != nil { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - if v <= 0 { - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - } - if v > initChunkSizeUpperBound { - return value, errors.Errorf("tidb_init_chunk_size(%d) cannot be bigger than %d", v, initChunkSizeUpperBound) - } - return value, nil - case TiDBMaxChunkSize: - v, err := strconv.Atoi(value) - if err != nil { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - if v < maxChunkSizeLowerBound { - return value, errors.Errorf("tidb_max_chunk_size(%d) cannot be smaller than %d", v, maxChunkSizeLowerBound) - } - return value, nil - case TiDBOptJoinReorderThreshold: - v, err := strconv.Atoi(value) - if err != nil { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - if v < 0 || v >= 64 { - return value, errors.Errorf("tidb_join_order_algo_threshold(%d) cannot be smaller than 0 or larger than 63", v) - } - case TiDBWaitSplitRegionTimeout: - v, err := strconv.Atoi(value) - if err != nil { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - if v <= 0 { - return value, errors.Errorf("tidb_wait_split_region_timeout(%d) cannot be smaller than 1", v) - } - case TiDBReplicaRead: - if strings.EqualFold(value, "follower") { - return "follower", nil - } else if strings.EqualFold(value, "leader-and-follower") { - return "leader-and-follower", nil - } else if strings.EqualFold(value, "leader") || len(value) == 0 { - return "leader", nil - } - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) case TiDBTxnMode: switch strings.ToUpper(value) { case ast.Pessimistic, ast.Optimistic, "": default: return value, ErrWrongValueForVar.GenWithStackByArgs(TiDBTxnMode, value) } - case TiDBRowFormatVersion: - v, err := strconv.Atoi(value) - if err != nil { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - if v != DefTiDBRowFormatV1 && v != DefTiDBRowFormatV2 { - return value, errors.Errorf("Unsupported row format version %d", v) - } case TiDBPartitionPruneMode: if !PartitionPruneMode(value).Valid() { return value, ErrWrongTypeForVar.GenWithStackByArgs(name) } - case TiDBAllowRemoveAutoInc, TiDBUsePlanBaselines, TiDBEvolvePlanBaselines, TiDBEnableParallelApply: - switch { - case strings.EqualFold(value, "ON") || value == "1": - return "on", nil - case strings.EqualFold(value, "OFF") || value == "0": - return "off", nil - } - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - case TiDBCapturePlanBaseline: - switch { - case strings.EqualFold(value, "ON") || value == "1": - return "on", nil - case strings.EqualFold(value, "OFF") || value == "0": - return "off", nil - case value == "": - return "", nil - } - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - case TiDBEnableStmtSummary, TiDBStmtSummaryInternalQuery: - switch { - case strings.EqualFold(value, "ON") || value == "1": - return "1", nil - case strings.EqualFold(value, "OFF") || value == "0": - return "0", nil - case value == "": - if scope == ScopeSession { - return "", nil - } - } - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - case TiDBStmtSummaryRefreshInterval: - if value == "" && scope == ScopeSession { - return "", nil - } - return checkInt64SystemVarWithError(name, value, 1, math.MaxInt32) - case TiDBStmtSummaryHistorySize: - if value == "" && scope == ScopeSession { - return "", nil - } - return checkInt64SystemVarWithError(name, value, 0, math.MaxUint8) - case TiDBStmtSummaryMaxStmtCount: - if value == "" && scope == ScopeSession { - return "", nil - } - return checkInt64SystemVarWithError(name, value, 1, math.MaxInt16) - case TiDBStmtSummaryMaxSQLLength: - if value == "" && scope == ScopeSession { - return "", nil - } - return checkInt64SystemVarWithError(name, value, 0, math.MaxInt32) case TiDBIsolationReadEngines: engines := strings.Split(value, ",") var formatVal string @@ -731,15 +581,6 @@ func ValidateSetSystemVar(vars *SessionVars, name string, value string, scope Sc } } return formatVal, nil - case TiDBMetricSchemaStep, TiDBMetricSchemaRangeDuration: - v, err := strconv.ParseInt(value, 10, 64) - if err != nil { - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - } - if v < 10 || v > 60*60*60 { - return value, errors.Errorf("%v(%d) cannot be smaller than %v or larger than %v", name, v, 10, 60*60*60) - } - return value, nil case CollationConnection, CollationDatabase, CollationServer: if _, err := collate.GetCollationByName(value); err != nil { return value, errors.Trace(err) diff --git a/sessionctx/variable/varsutil_test.go b/sessionctx/variable/varsutil_test.go index dd4a0db50c550..8d0fbb466048a 100644 --- a/sessionctx/variable/varsutil_test.go +++ b/sessionctx/variable/varsutil_test.go @@ -121,7 +121,7 @@ func (s *testVarsutilSuite) TestVarsutil(c *C) { c.Assert(err, IsNil) val, err := GetSessionSystemVar(v, "autocommit") c.Assert(err, IsNil) - c.Assert(val, Equals, "1") + c.Assert(val, Equals, "ON") c.Assert(SetSessionSystemVar(v, "autocommit", types.Datum{}), NotNil) // 0 converts to OFF @@ -251,12 +251,12 @@ func (s *testVarsutilSuite) TestVarsutil(c *C) { SetSessionSystemVar(v, TiDBEnableStreaming, types.NewStringDatum("1")) val, err = GetSessionSystemVar(v, TiDBEnableStreaming) c.Assert(err, IsNil) - c.Assert(val, Equals, "1") + c.Assert(val, Equals, "ON") c.Assert(v.EnableStreaming, Equals, true) SetSessionSystemVar(v, TiDBEnableStreaming, types.NewStringDatum("0")) val, err = GetSessionSystemVar(v, TiDBEnableStreaming) c.Assert(err, IsNil) - c.Assert(val, Equals, "0") + c.Assert(val, Equals, "OFF") c.Assert(v.EnableStreaming, Equals, false) c.Assert(v.OptimizerSelectivityLevel, Equals, DefTiDBOptimizerSelectivityLevel) @@ -281,8 +281,8 @@ func (s *testVarsutilSuite) TestVarsutil(c *C) { c.Assert(err, IsNil) val, err = GetSessionSystemVar(v, TiDBEnableTablePartition) c.Assert(err, IsNil) - c.Assert(val, Equals, "on") - c.Assert(v.EnableTablePartition, Equals, "on") + c.Assert(val, Equals, "ON") + c.Assert(v.EnableTablePartition, Equals, "ON") c.Assert(v.TiDBOptJoinReorderThreshold, Equals, DefTiDBOptJoinReorderThreshold) err = SetSessionSystemVar(v, TiDBOptJoinReorderThreshold, types.NewIntDatum(5)) @@ -308,12 +308,12 @@ func (s *testVarsutilSuite) TestVarsutil(c *C) { SetSessionSystemVar(v, TiDBLowResolutionTSO, types.NewStringDatum("1")) val, err = GetSessionSystemVar(v, TiDBLowResolutionTSO) c.Assert(err, IsNil) - c.Assert(val, Equals, "1") + c.Assert(val, Equals, "ON") c.Assert(v.LowResolutionTSO, Equals, true) SetSessionSystemVar(v, TiDBLowResolutionTSO, types.NewStringDatum("0")) val, err = GetSessionSystemVar(v, TiDBLowResolutionTSO) c.Assert(err, IsNil) - c.Assert(val, Equals, "0") + c.Assert(val, Equals, "OFF") c.Assert(v.LowResolutionTSO, Equals, false) c.Assert(v.CorrelationThreshold, Equals, 0.9) @@ -420,11 +420,11 @@ func (s *testVarsutilSuite) TestVarsutil(c *C) { c.Assert(val, Equals, "leader-and-follower") c.Assert(v.GetReplicaRead(), Equals, kv.ReplicaReadMixed) - err = SetSessionSystemVar(v, TiDBEnableStmtSummary, types.NewStringDatum("on")) + err = SetSessionSystemVar(v, TiDBEnableStmtSummary, types.NewStringDatum("ON")) c.Assert(err, IsNil) val, err = GetSessionSystemVar(v, TiDBEnableStmtSummary) c.Assert(err, IsNil) - c.Assert(val, Equals, "1") + c.Assert(val, Equals, "ON") err = SetSessionSystemVar(v, TiDBStmtSummaryRefreshInterval, types.NewStringDatum("10")) c.Assert(err, IsNil) @@ -459,14 +459,14 @@ func (s *testVarsutilSuite) TestVarsutil(c *C) { val, err = GetSessionSystemVar(v, TiDBFoundInPlanCache) c.Assert(err, IsNil) c.Assert(val, Equals, "0") - c.Assert(v.systems[TiDBFoundInPlanCache], Equals, "1") + c.Assert(v.systems[TiDBFoundInPlanCache], Equals, "ON") - err = SetSessionSystemVar(v, TiDBEnableChangeColumnType, types.NewStringDatum("on")) + err = SetSessionSystemVar(v, TiDBEnableChangeColumnType, types.NewStringDatum("ON")) c.Assert(err, IsNil) val, err = GetSessionSystemVar(v, TiDBEnableChangeColumnType) c.Assert(err, IsNil) - c.Assert(val, Equals, "1") - c.Assert(v.systems[TiDBEnableChangeColumnType], Equals, "1") + c.Assert(val, Equals, "ON") + c.Assert(v.systems[TiDBEnableChangeColumnType], Equals, "ON") err = SetSessionSystemVar(v, "UnknownVariable", types.NewStringDatum("on")) c.Assert(err, ErrorMatches, ".*]Unknown system variable 'UnknownVariable'") diff --git a/telemetry/telemetry.go b/telemetry/telemetry.go index f677578e81096..e62bef6bed44a 100644 --- a/telemetry/telemetry.go +++ b/telemetry/telemetry.go @@ -17,14 +17,13 @@ import ( "bytes" "context" "encoding/json" - "fmt" "net/http" "time" "github.com/pingcap/errors" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/sessionctx" - "github.com/pingcap/tidb/util/sqlexec" + "github.com/pingcap/tidb/sessionctx/variable" "go.etcd.io/etcd/clientv3" ) @@ -44,14 +43,8 @@ const ( ) func getTelemetryGlobalVariable(ctx sessionctx.Context) (bool, error) { - rows, _, err := ctx.(sqlexec.RestrictedSQLExecutor).ExecRestrictedSQL(`SELECT @@global.tidb_enable_telemetry`) - if err != nil { - return false, errors.Trace(err) - } - if len(rows) != 1 || rows[0].Len() == 0 { - return false, fmt.Errorf("unexpected telemetry global variable") - } - return rows[0].GetString(0) == "1", nil + val, err := ctx.GetSessionVars().GlobalVarsAccessor.GetGlobalSysVar(variable.TiDBEnableTelemetry) + return variable.TiDBOptOn(val), err } func isTelemetryEnabled(ctx sessionctx.Context) (bool, error) { diff --git a/util/stmtsummary/variables.go b/util/stmtsummary/variables.go index d8c3de68778b1..b179929002fd5 100644 --- a/util/stmtsummary/variables.go +++ b/util/stmtsummary/variables.go @@ -16,12 +16,12 @@ package stmtsummary import ( "fmt" "strconv" - "strings" "sync" "sync/atomic" "github.com/pingcap/errors" "github.com/pingcap/tidb/config" + svariable "github.com/pingcap/tidb/sessionctx/variable" ) const ( @@ -104,14 +104,10 @@ func getBoolFinalVariable(varType int, sessionValue, globalValue string) int64 { // normalizeEnableValue converts 'ON' or '1' to 1 and 'OFF' or '0' to 0. func normalizeEnableValue(value string) int64 { - switch { - case strings.EqualFold(value, "ON"): + if svariable.TiDBOptOn(value) { return 1 - case value == "1": - return 1 - default: - return 0 } + return 0 } func getIntFinalVariable(varType int, sessionValue, globalValue string, minValue int64) int64 { From c7651f02be36b5faf95a204d20f8859eb9c2080a Mon Sep 17 00:00:00 2001 From: Zejun Li Date: Mon, 19 Oct 2020 22:04:06 +0800 Subject: [PATCH 0048/1021] metrics: some improvements for batch client (#20506) --- metrics/grafana/tidb.json | 246 ++----------- metrics/grafana/tidb_runtime.json | 556 ++++++++++++++++++++++++------ metrics/metrics.go | 5 +- metrics/tikvclient.go | 41 ++- store/tikv/client.go | 3 +- store/tikv/client_batch.go | 36 +- 6 files changed, 539 insertions(+), 348 deletions(-) diff --git a/metrics/grafana/tidb.json b/metrics/grafana/tidb.json index acd1539761e5f..e276757f5e43d 100644 --- a/metrics/grafana/tidb.json +++ b/metrics/grafana/tidb.json @@ -11518,68 +11518,55 @@ "panels": [ { "aliasColors": {}, - "bars": false, + "bars": true, "dashLength": 10, "dashes": false, "datasource": "${DS_TEST-CLUSTER}", - "description": "kv storage batch requests in queue", - "editable": true, - "error": false, + "description": "Metrics for 'no available connection'.\nThere should be no data here if the connection between TiDB and TiKV is healthy.", "fill": 1, - "grid": {}, "gridPos": { "h": 7, "w": 8, "x": 0, "y": 16 }, - "id": 176, + "id": 203, "legend": { - "alignAsTable": true, "avg": false, - "current": true, + "current": false, "max": false, "min": false, - "rightSide": true, "show": true, "total": false, - "values": true + "values": false }, - "lines": true, + "lines": false, "linewidth": 1, "links": [], "nullPointMode": "null as zero", "percentage": false, - "pointradius": 5, + "pointradius": 2, "points": false, "renderer": "flot", - "seriesOverrides": [ - { - "alias": "total", - "fill": 0, - "lines": false - } - ], + "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { - "expr": "sum(tidb_tikvclient_pending_batch_requests) by (store)", + "expr": "delta(tidb_tikvclient_batch_client_no_available_connection_total[30s])", "format": "time_series", - "intervalFactor": 2, - "legendFormat": "{{store}}", - "refId": "A", - "step": 40 + "intervalFactor": 1, + "legendFormat": "{{instance}}", + "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, - "title": "Pending Request Count by TiKV", + "title": "No Available Connection Counter", "tooltip": { - "msResolution": false, "shared": true, "sort": 0, "value_type": "individual" @@ -11607,7 +11594,7 @@ "logBase": 1, "max": null, "min": null, - "show": true + "show": false } ], "yaxis": { @@ -11621,7 +11608,7 @@ "dashLength": 10, "dashes": false, "datasource": "${DS_TEST-CLUSTER}", - "description": "kv storage batch processing durations", + "description": "kv storage batch processing unvailable durations", "editable": true, "error": false, "fill": 1, @@ -11632,14 +11619,14 @@ "x": 8, "y": 16 }, - "id": 179, + "id": 180, "legend": { - "alignAsTable": true, + "alignAsTable": false, "avg": false, "current": false, "max": false, "min": false, - "rightSide": true, + "rightSide": false, "show": true, "total": false, "values": false @@ -11658,9 +11645,10 @@ "steppedLine": false, "targets": [ { - "expr": "histogram_quantile(0.95, sum(rate(tidb_tikvclient_batch_wait_duration_bucket[1m])) by (le, instance))", + "expr": "histogram_quantile(0.95, sum(rate(tidb_tikvclient_batch_client_unavailable_seconds_bucket[30s])) by (le, instance))", "format": "time_series", - "intervalFactor": 2, + "hide": false, + "intervalFactor": 1, "legendFormat": "{{instance}}", "refId": "A", "step": 10 @@ -11670,7 +11658,7 @@ "timeFrom": null, "timeRegions": [], "timeShift": null, - "title": "Wait Duration 95", + "title": "Batch Client Unavailable Duration 95", "tooltip": { "msResolution": false, "shared": true, @@ -11687,7 +11675,7 @@ }, "yaxes": [ { - "format": "ns", + "format": "s", "label": null, "logBase": 1, "max": null, @@ -11727,12 +11715,12 @@ }, "id": 204, "legend": { - "alignAsTable": true, + "alignAsTable": false, "avg": false, "current": false, "max": false, "min": false, - "rightSide": true, + "rightSide": false, "show": true, "total": false, "values": false @@ -11751,190 +11739,10 @@ "steppedLine": false, "targets": [ { - "expr": "histogram_quantile(0.9999, sum(rate(tidb_tikvclient_batch_client_wait_connection_establish_bucket[1m])) by (le, instance))", - "format": "time_series", - "intervalFactor": 2, - "legendFormat": "{{instance}}", - "refId": "A", - "step": 10 - } - ], - "thresholds": [], - "timeFrom": null, - "timeRegions": [], - "timeShift": null, - "title": "Wait Connection Establish Duration", - "tooltip": { - "msResolution": false, - "shared": true, - "sort": 0, - "value_type": "cumulative" - }, - "type": "graph", - "xaxis": { - "buckets": null, - "mode": "time", - "name": null, - "show": true, - "values": [] - }, - "yaxes": [ - { - "format": "s", - "label": null, - "logBase": 1, - "max": null, - "min": "0", - "show": true - }, - { - "format": "short", - "label": null, - "logBase": 1, - "max": null, - "min": null, - "show": true - } - ], - "yaxis": { - "align": false, - "alignLevel": null - } - }, - { - "aliasColors": {}, - "bars": false, - "dashLength": 10, - "dashes": false, - "datasource": "${DS_TEST-CLUSTER}", - "description": "Metrics for 'no available connection'.\nThere should be no data here if the connection between TiDB and TiKV is healthy.", - "fill": 1, - "gridPos": { - "h": 7, - "w": 16, - "x": 0, - "y": 23 - }, - "id": 203, - "legend": { - "avg": false, - "current": false, - "max": false, - "min": false, - "show": true, - "total": false, - "values": false - }, - "lines": true, - "linewidth": 1, - "links": [], - "nullPointMode": "null", - "percentage": false, - "pointradius": 2, - "points": false, - "renderer": "flot", - "seriesOverrides": [], - "spaceLength": 10, - "stack": false, - "steppedLine": false, - "targets": [ - { - "expr": "tidb_tikvclient_batch_client_no_available_connection_total", + "expr": "histogram_quantile(0.9999, sum(rate(tidb_tikvclient_batch_client_wait_connection_establish_bucket[30s])) by (le, instance))", "format": "time_series", "intervalFactor": 1, "legendFormat": "{{instance}}", - "refId": "A" - } - ], - "thresholds": [], - "timeFrom": null, - "timeRegions": [], - "timeShift": null, - "title": "No Available Connection Counter", - "tooltip": { - "shared": true, - "sort": 0, - "value_type": "individual" - }, - "type": "graph", - "xaxis": { - "buckets": null, - "mode": "time", - "name": null, - "show": true, - "values": [] - }, - "yaxes": [ - { - "format": "short", - "label": null, - "logBase": 1, - "max": null, - "min": null, - "show": true - }, - { - "format": "short", - "label": null, - "logBase": 1, - "max": null, - "min": null, - "show": true - } - ], - "yaxis": { - "align": false, - "alignLevel": null - } - }, - { - "aliasColors": {}, - "bars": false, - "dashLength": 10, - "dashes": false, - "datasource": "${DS_TEST-CLUSTER}", - "description": "kv storage batch processing unvailable durations", - "editable": true, - "error": false, - "fill": 1, - "grid": {}, - "gridPos": { - "h": 7, - "w": 8, - "x": 16, - "y": 23 - }, - "id": 180, - "legend": { - "alignAsTable": true, - "avg": false, - "current": false, - "max": false, - "min": false, - "rightSide": true, - "show": true, - "total": false, - "values": false - }, - "lines": true, - "linewidth": 2, - "links": [], - "nullPointMode": "null as zero", - "percentage": false, - "pointradius": 5, - "points": false, - "renderer": "flot", - "seriesOverrides": [], - "spaceLength": 10, - "stack": false, - "steppedLine": false, - "targets": [ - { - "expr": "histogram_quantile(0.95, sum(rate(tidb_tikvclient_batch_client_unavailable_seconds_bucket[1m])) by (le, instance))", - "format": "time_series", - "hide": false, - "intervalFactor": 2, - "legendFormat": "{{instance}}", "refId": "A", "step": 10 } @@ -11943,7 +11751,7 @@ "timeFrom": null, "timeRegions": [], "timeShift": null, - "title": "Batch Client Unavailable Duration 95", + "title": "Wait Connection Establish Duration", "tooltip": { "msResolution": false, "shared": true, diff --git a/metrics/grafana/tidb_runtime.json b/metrics/grafana/tidb_runtime.json index 364a4f55ef898..b5f7b1344f23e 100644 --- a/metrics/grafana/tidb_runtime.json +++ b/metrics/grafana/tidb_runtime.json @@ -233,14 +233,6 @@ } }, { - "type": "graph", - "title": "Estimated Live Objects", - "gridPos": { - "x": 12, - "y": 1, - "w": 12, - "h": 7 - }, "aliasColors": {}, "bars": false, "cacheTimeout": null, @@ -252,6 +244,12 @@ "error": false, "fill": 0, "grid": {}, + "gridPos": { + "h": 7, + "w": 12, + "x": 12, + "y": 1 + }, "id": 21, "legend": { "alignAsTable": false, @@ -297,12 +295,14 @@ "timeFrom": null, "timeRegions": [], "timeShift": null, + "title": "Estimated Live Objects", "tooltip": { "msResolution": true, "shared": true, "sort": 0, "value_type": "individual" }, + "type": "graph", "xaxis": { "buckets": null, "mode": "time", @@ -333,6 +333,121 @@ "alignLevel": null } }, + { + "aliasColors": {}, + "bars": false, + "dashLength": 10, + "dashes": false, + "datasource": "${DS_TEST-CLUSTER}", + "description": "TiDB cpu usage calculated with process cpu running seconds", + "editable": true, + "error": false, + "fill": 1, + "grid": {}, + "gridPos": { + "h": 7, + "w": 12, + "x": 0, + "y": 8 + }, + "id": 6, + "legend": { + "alignAsTable": false, + "avg": false, + "current": true, + "max": false, + "min": false, + "rightSide": false, + "show": true, + "total": false, + "values": true + }, + "lines": true, + "linewidth": 1, + "links": [], + "nullPointMode": "null as zero", + "percentage": false, + "pointradius": 5, + "points": false, + "renderer": "flot", + "seriesOverrides": [ + { + "alias": "total", + "fill": 0, + "lines": false + }, + { + "alias": "/limit/", + "color": "#C4162A", + "fill": 0, + "nullPointMode": "null" + } + ], + "spaceLength": 10, + "stack": false, + "steppedLine": false, + "targets": [ + { + "expr": "irate(process_cpu_seconds_total{instance=~\"$instance\"}[30s])", + "format": "time_series", + "hide": false, + "interval": "", + "intervalFactor": 1, + "legendFormat": "cpu-usage", + "refId": "A", + "step": 40 + }, + { + "expr": "tidb_server_maxprocs{instance=~\"$instance\"}", + "format": "time_series", + "interval": "", + "intervalFactor": 1, + "legendFormat": "limit", + "refId": "B" + } + ], + "thresholds": [], + "timeFrom": null, + "timeRegions": [], + "timeShift": null, + "title": "CPU Usage", + "tooltip": { + "msResolution": false, + "shared": true, + "sort": 0, + "value_type": "individual" + }, + "type": "graph", + "xaxis": { + "buckets": null, + "mode": "time", + "name": null, + "show": true, + "values": [] + }, + "yaxes": [ + { + "format": "percentunit", + "label": null, + "logBase": 1, + "max": null, + "min": "0", + "show": true + }, + { + "format": "short", + "label": null, + "logBase": 1, + "max": null, + "min": null, + "show": true + } + ], + "yaxis": { + "align": false, + "alignLevel": null + } + }, { "aliasColors": {}, "bars": false, @@ -349,7 +464,7 @@ "h": 7, "w": 12, "x": 12, - "y": 1 + "y": 8 }, "id": 8, "legend": { @@ -454,23 +569,20 @@ "dashLength": 10, "dashes": false, "datasource": "${DS_TEST-CLUSTER}", - "description": "TiDB cpu usage calculated with process cpu running seconds", - "editable": true, - "error": false, + "description": "TiDB process current goroutines count", "fill": 1, - "grid": {}, "gridPos": { "h": 7, "w": 12, "x": 0, - "y": 8 + "y": 15 }, - "id": 6, + "id": 12, "legend": { "alignAsTable": false, "avg": false, "current": true, - "max": false, + "max": true, "min": false, "rightSide": false, "show": true, @@ -480,22 +592,16 @@ "lines": true, "linewidth": 1, "links": [], - "nullPointMode": "null as zero", + "nullPointMode": "null", "percentage": false, "pointradius": 5, "points": false, "renderer": "flot", "seriesOverrides": [ { - "alias": "total", - "fill": 0, - "lines": false - }, - { - "alias": "/limit/", - "color": "#C4162A", + "alias": "threads", "fill": 0, - "nullPointMode": "null" + "yaxis": 2 } ], "spaceLength": 10, @@ -503,21 +609,17 @@ "steppedLine": false, "targets": [ { - "expr": "irate(process_cpu_seconds_total{instance=~\"$instance\"}[30s])", + "expr": " go_goroutines{instance=~\"$instance\"}", "format": "time_series", - "hide": false, - "interval": "", "intervalFactor": 1, - "legendFormat": "cpu-usage", - "refId": "A", - "step": 40 + "legendFormat": "goroutines", + "refId": "A" }, { - "expr": "tidb_server_maxprocs{instance=~\"$instance\"}", + "expr": "go_threads{instance=~\"$instance\"}", "format": "time_series", - "interval": "", "intervalFactor": 1, - "legendFormat": "limit", + "legendFormat": "threads", "refId": "B" } ], @@ -525,9 +627,8 @@ "timeFrom": null, "timeRegions": [], "timeShift": null, - "title": "CPU Usage", + "title": "Goroutine Count", "tooltip": { - "msResolution": false, "shared": true, "sort": 0, "value_type": "individual" @@ -542,11 +643,11 @@ }, "yaxes": [ { - "format": "percentunit", + "format": "short", "label": null, "logBase": 1, "max": null, - "min": "0", + "min": null, "show": true }, { @@ -578,7 +679,7 @@ "h": 7, "w": 12, "x": 12, - "y": 8 + "y": 15 }, "id": 14, "legend": { @@ -658,19 +759,19 @@ }, { "aliasColors": {}, - "bars": false, + "bars": true, "dashLength": 10, "dashes": false, "datasource": "${DS_TEST-CLUSTER}", - "description": "TiDB process current goroutines count", + "description": "The Go garbage collection counts in the last 15s", "fill": 1, "gridPos": { "h": 7, "w": 12, "x": 0, - "y": 15 + "y": 22 }, - "id": 12, + "id": 10, "legend": { "alignAsTable": false, "avg": false, @@ -682,7 +783,7 @@ "total": false, "values": true }, - "lines": true, + "lines": false, "linewidth": 1, "links": [], "nullPointMode": "null", @@ -690,37 +791,24 @@ "pointradius": 5, "points": false, "renderer": "flot", - "seriesOverrides": [ - { - "alias": "threads", - "fill": 0, - "yaxis": 2 - } - ], + "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { - "expr": " go_goroutines{instance=~\"$instance\"}", + "expr": "idelta(go_gc_duration_seconds_count{instance=~\"$instance\"}[30s]) > 0", "format": "time_series", "intervalFactor": 1, - "legendFormat": "goroutines", + "legendFormat": "count", "refId": "A" - }, - { - "expr": "go_threads{instance=~\"$instance\"}", - "format": "time_series", - "intervalFactor": 1, - "legendFormat": "threads", - "refId": "B" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, - "title": "Goroutine Count", + "title": "GC Count (in the last 15s)", "tooltip": { "shared": true, "sort": 0, @@ -736,7 +824,7 @@ }, "yaxes": [ { - "format": "short", + "format": "none", "label": null, "logBase": 1, "max": null, @@ -769,7 +857,7 @@ "h": 7, "w": 12, "x": 12, - "y": 15 + "y": 22 }, "id": 16, "legend": { @@ -886,18 +974,19 @@ "dashLength": 10, "dashes": false, "datasource": "${DS_TEST-CLUSTER}", - "description": "TiDB side and PD side TSO RPC duration.", + "description": "TiDB side and TiKV side RPC duration.", "fill": 1, "gridPos": { "h": 7, "w": 12, "x": 0, - "y": 22 + "y": 29 }, - "id": 18, + "id": 19, "legend": { "avg": false, "current": false, + "hideEmpty": true, "max": true, "min": false, "show": true, @@ -912,22 +1001,23 @@ "pointradius": 2, "points": false, "renderer": "flot", + "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { - "expr": "histogram_quantile(0.99, sum(rate(pd_client_request_handle_requests_duration_seconds_bucket{type=\"tso\"}[30s])) by (le))", + "expr": "histogram_quantile(0.99, sum(rate(tidb_tikvclient_request_seconds_bucket{store!=\"0\",instance=~\"$instance\"}[30s])) by (le, store))", "format": "time_series", "intervalFactor": 1, - "legendFormat": "tidb-side", + "legendFormat": "tidb-to-store{{store}}", "refId": "A" }, { - "expr": "histogram_quantile(0.99, sum(rate(pd_server_handle_tso_duration_seconds_bucket[30s])) by (le))", + "expr": "histogram_quantile(0.99, sum(rate(tikv_grpc_msg_duration_seconds_bucket{type!=\"kv_gc\"}[30s])) by (le, instance))", "format": "time_series", "intervalFactor": 1, - "legendFormat": "pd-side", + "legendFormat": "tikv-{{instance}}-side", "refId": "B" } ], @@ -935,7 +1025,7 @@ "timeFrom": null, "timeRegions": [], "timeShift": null, - "title": "TSO RPC Latency", + "title": "KV RPC Latency", "tooltip": { "shared": true, "sort": 0, @@ -974,36 +1064,34 @@ }, { "aliasColors": {}, - "bars": true, + "bars": false, "dashLength": 10, "dashes": false, "datasource": "${DS_TEST-CLUSTER}", - "description": "The Go garbage collection counts in the last 15s", + "description": "TiDB side and PD side TSO RPC duration.", "fill": 1, "gridPos": { "h": 7, "w": 12, "x": 12, - "y": 22 + "y": 29 }, - "id": 10, + "id": 18, "legend": { - "alignAsTable": false, "avg": false, - "current": true, + "current": false, "max": true, "min": false, - "rightSide": false, "show": true, "total": false, "values": true }, - "lines": false, + "lines": true, "linewidth": 1, "links": [], "nullPointMode": "null", "percentage": false, - "pointradius": 5, + "pointradius": 2, "points": false, "renderer": "flot", "seriesOverrides": [], @@ -1012,18 +1100,25 @@ "steppedLine": false, "targets": [ { - "expr": "idelta(go_gc_duration_seconds_count{instance=~\"$instance\"}[30s]) > 0", + "expr": "histogram_quantile(0.99, sum(rate(pd_client_request_handle_requests_duration_seconds_bucket{type=\"tso\"}[30s])) by (le))", "format": "time_series", "intervalFactor": 1, - "legendFormat": "count", + "legendFormat": "tidb-side", "refId": "A" + }, + { + "expr": "histogram_quantile(0.99, sum(rate(pd_server_handle_tso_duration_seconds_bucket[30s])) by (le))", + "format": "time_series", + "intervalFactor": 1, + "legendFormat": "pd-side", + "refId": "B" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, - "title": "GC Count (in the last 15s)", + "title": "TSO RPC Latency", "tooltip": { "shared": true, "sort": 0, @@ -1039,7 +1134,7 @@ }, "yaxes": [ { - "format": "none", + "format": "s", "label": null, "logBase": 1, "max": null, @@ -1060,67 +1155,215 @@ "alignLevel": null } }, + { + "cards": { + "cardPadding": null, + "cardRound": null + }, + "color": { + "cardColor": "#b4ff00", + "colorScale": "sqrt", + "colorScheme": "interpolateSpectral", + "exponent": 0.5, + "mode": "spectrum" + }, + "dataFormat": "tsbuckets", + "datasource": "${DS_TEST-CLUSTER}", + "description": "Number of requests in each batch", + "gridPos": { + "h": 7, + "w": 12, + "x": 0, + "y": 36 + }, + "heatmap": {}, + "hideZeroBuckets": true, + "highlightCards": true, + "id": 23, + "legend": { + "show": false + }, + "links": [], + "reverseYBuckets": false, + "targets": [ + { + "expr": "sum(increase(tidb_tikvclient_batch_requests_bucket{instance=~\"$instance\"}[30s])) by (le)", + "format": "heatmap", + "intervalFactor": 1, + "legendFormat": "{{le}}", + "refId": "A", + "step": 40 + } + ], + "timeFrom": null, + "timeShift": null, + "title": "Requests Batch Size", + "tooltip": { + "show": true, + "showHistogram": false + }, + "type": "heatmap", + "xAxis": { + "show": true + }, + "xBucketNumber": null, + "xBucketSize": null, + "yAxis": { + "decimals": null, + "format": "none", + "logBase": 1, + "max": null, + "min": null, + "show": true, + "splitFactor": null + }, + "yBucketBound": "auto", + "yBucketNumber": null, + "yBucketSize": null + }, + { + "cards": { + "cardPadding": null, + "cardRound": null + }, + "color": { + "cardColor": "#b4ff00", + "colorScale": "sqrt", + "colorScheme": "interpolateSpectral", + "exponent": 0.5, + "mode": "spectrum" + }, + "dataFormat": "tsbuckets", + "datasource": "${DS_TEST-CLUSTER}", + "description": "Number of requests in queue", + "gridPos": { + "h": 7, + "w": 12, + "x": 12, + "y": 36 + }, + "heatmap": {}, + "hideZeroBuckets": true, + "highlightCards": true, + "id": 24, + "legend": { + "show": false + }, + "links": [], + "reverseYBuckets": false, + "targets": [ + { + "expr": "sum(increase(tidb_tikvclient_batch_pending_requests_bucket{instance=~\"$instance\"}[30s])) by (le)", + "format": "heatmap", + "intervalFactor": 1, + "legendFormat": "{{le}}", + "refId": "A", + "step": 40 + } + ], + "timeFrom": null, + "timeShift": null, + "title": "Pending Requests", + "tooltip": { + "show": true, + "showHistogram": false + }, + "type": "heatmap", + "xAxis": { + "show": true + }, + "xBucketNumber": null, + "xBucketSize": null, + "yAxis": { + "decimals": null, + "format": "none", + "logBase": 1, + "max": null, + "min": null, + "show": true, + "splitFactor": null + }, + "yBucketBound": "auto", + "yBucketNumber": null, + "yBucketSize": null + }, { "aliasColors": {}, "bars": false, "dashLength": 10, "dashes": false, "datasource": "${DS_TEST-CLUSTER}", - "description": "TiDB side and TiKV side RPC duration.", + "description": "The time spend on enqueue request", + "editable": true, + "error": false, "fill": 1, + "grid": {}, "gridPos": { "h": 7, "w": 12, "x": 0, - "y": 29 + "y": 43 }, - "id": 19, + "id": 26, "legend": { + "alignAsTable": false, "avg": false, "current": false, - "hideEmpty": true, - "max": true, + "max": false, "min": false, + "rightSide": false, "show": true, "total": false, - "values": true + "values": false }, "lines": true, - "linewidth": 1, + "linewidth": 2, "links": [], - "nullPointMode": "null", + "nullPointMode": "null as zero", "percentage": false, - "pointradius": 2, + "pointradius": 5, "points": false, "renderer": "flot", + "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { - "expr": "histogram_quantile(0.99, sum(rate(tidb_tikvclient_request_seconds_bucket{store!=\"0\",instance=~\"$instance\"}[30s])) by (le, store))", + "expr": "histogram_quantile(0.999, sum(rate(tidb_tikvclient_batch_wait_duration_bucket{instance=~\"$instance\"}[30s])) by (le, instance))", "format": "time_series", "intervalFactor": 1, - "legendFormat": "tidb-to-store{{store}}", - "refId": "A" + "legendFormat": "999", + "refId": "A", + "step": 10 }, { - "expr": "histogram_quantile(0.99, sum(rate(tikv_grpc_msg_duration_seconds_bucket{type!=\"kv_gc\"}[30s])) by (le, instance))", + "expr": "histogram_quantile(0.99, sum(rate(tidb_tikvclient_batch_wait_duration_bucket{instance=~\"$instance\"}[30s])) by (le, instance))", "format": "time_series", "intervalFactor": 1, - "legendFormat": "tikv-{{instance}}-side", - "refId": "B" + "legendFormat": "99", + "refId": "B", + "step": 10 + }, + { + "expr": "histogram_quantile(0.95, sum(rate(tidb_tikvclient_batch_wait_duration_bucket{instance=~\"$instance\"}[30s])) by (le, instance))", + "format": "time_series", + "intervalFactor": 1, + "legendFormat": "95", + "refId": "C", + "step": 10 } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, - "title": "KV RPC Latency", + "title": "Request Enqueue Duration", "tooltip": { + "msResolution": false, "shared": true, "sort": 0, - "value_type": "individual" + "value_type": "cumulative" }, "type": "graph", "xaxis": { @@ -1132,12 +1375,121 @@ }, "yaxes": [ { - "format": "s", + "format": "ns", + "label": null, + "logBase": 1, + "max": null, + "min": "0", + "show": true + }, + { + "format": "short", "label": null, "logBase": 1, "max": null, "min": null, "show": true + } + ], + "yaxis": { + "align": false, + "alignLevel": null + } + }, + { + "aliasColors": {}, + "bars": false, + "dashLength": 10, + "dashes": false, + "datasource": "${DS_TEST-CLUSTER}", + "description": "Time spend on enqueue batch into gRPC", + "editable": true, + "error": false, + "fill": 1, + "grid": {}, + "gridPos": { + "h": 7, + "w": 12, + "x": 12, + "y": 43 + }, + "id": 28, + "legend": { + "alignAsTable": false, + "avg": false, + "current": false, + "max": false, + "min": false, + "rightSide": false, + "show": true, + "total": false, + "values": false + }, + "lines": true, + "linewidth": 2, + "links": [], + "nullPointMode": "null as zero", + "percentage": false, + "pointradius": 5, + "points": false, + "renderer": "flot", + "seriesOverrides": [], + "spaceLength": 10, + "stack": false, + "steppedLine": false, + "targets": [ + { + "expr": "histogram_quantile(0.9999, sum(rate(tidb_tikvclient_batch_send_latency_bucket{instance=~\"$instance\"}[30s])) by (le, instance))", + "format": "time_series", + "intervalFactor": 1, + "legendFormat": "9999", + "refId": "A", + "step": 10 + }, + { + "expr": "histogram_quantile(0.999, sum(rate(tidb_tikvclient_batch_send_latency_bucket{instance=~\"$instance\"}[30s])) by (le, instance))", + "format": "time_series", + "intervalFactor": 1, + "legendFormat": "999", + "refId": "B", + "step": 10 + }, + { + "expr": "histogram_quantile(0.99, sum(rate(tidb_tikvclient_batch_send_latency_bucket{instance=~\"$instance\"}[30s])) by (le, instance))", + "format": "time_series", + "intervalFactor": 1, + "legendFormat": "99", + "refId": "C", + "step": 10 + } + ], + "thresholds": [], + "timeFrom": null, + "timeRegions": [], + "timeShift": null, + "title": "Batch Enqueue Duration", + "tooltip": { + "msResolution": false, + "shared": true, + "sort": 0, + "value_type": "cumulative" + }, + "type": "graph", + "xaxis": { + "buckets": null, + "mode": "time", + "name": null, + "show": true, + "values": [] + }, + "yaxes": [ + { + "format": "ns", + "label": null, + "logBase": 1, + "max": null, + "min": "0", + "show": true }, { "format": "short", diff --git a/metrics/metrics.go b/metrics/metrics.go index be843ad6f02f0..835e8d411c1e4 100644 --- a/metrics/metrics.go +++ b/metrics/metrics.go @@ -151,10 +151,13 @@ func RegisterMetrics() { prometheus.MustRegister(TotalQueryProcHistogram) prometheus.MustRegister(TotalCopProcHistogram) prometheus.MustRegister(TotalCopWaitHistogram) - prometheus.MustRegister(TiKVPendingBatchRequests) prometheus.MustRegister(TiKVStatusDuration) prometheus.MustRegister(TiKVStatusCounter) + prometheus.MustRegister(TiKVBatchPendingRequests) + prometheus.MustRegister(TiKVBatchRequests) prometheus.MustRegister(TiKVBatchWaitDuration) + prometheus.MustRegister(TiKVBatchSendLatency) + prometheus.MustRegister(TiKvBatchWaitOverLoad) prometheus.MustRegister(TiKVBatchClientUnavailable) prometheus.MustRegister(TiKVBatchClientWaitEstablish) prometheus.MustRegister(TiKVRangeTaskStats) diff --git a/metrics/tikvclient.go b/metrics/tikvclient.go index 73747ba04225b..b8edc1cabc28c 100644 --- a/metrics/tikvclient.go +++ b/metrics/tikvclient.go @@ -147,15 +147,6 @@ var ( Buckets: prometheus.ExponentialBuckets(0.0005, 2, 20), // 0.5ms ~ 262s }) - // TiKVPendingBatchRequests indicates the number of requests pending in the batch channel. - TiKVPendingBatchRequests = prometheus.NewGaugeVec( - prometheus.GaugeOpts{ - Namespace: "tidb", - Subsystem: "tikvclient", - Name: "pending_batch_requests", - Help: "Pending batch requests", - }, []string{"store"}) - TiKVStatusDuration = prometheus.NewHistogramVec( prometheus.HistogramOpts{ Namespace: "tidb", @@ -181,7 +172,37 @@ var ( Buckets: prometheus.ExponentialBuckets(1, 2, 34), // 1ns ~ 8s Help: "batch wait duration", }) - + TiKVBatchSendLatency = prometheus.NewHistogram( + prometheus.HistogramOpts{ + Namespace: "tidb", + Subsystem: "tikvclient", + Name: "batch_send_latency", + Buckets: prometheus.ExponentialBuckets(1, 2, 34), // 1ns ~ 8s + Help: "batch send latency", + }) + TiKvBatchWaitOverLoad = prometheus.NewCounter( + prometheus.CounterOpts{ + Namespace: "tidb", + Subsystem: "tikvclient", + Name: "batch_wait_overload", + Help: "event of tikv transport layer overload", + }) + TiKVBatchPendingRequests = prometheus.NewHistogramVec( + prometheus.HistogramOpts{ + Namespace: "tidb", + Subsystem: "tikvclient", + Name: "batch_pending_requests", + Buckets: prometheus.ExponentialBuckets(1, 2, 8), + Help: "number of requests pending in the batch channel", + }, []string{"store"}) + TiKVBatchRequests = prometheus.NewHistogramVec( + prometheus.HistogramOpts{ + Namespace: "tidb", + Subsystem: "tikvclient", + Name: "batch_requests", + Buckets: prometheus.ExponentialBuckets(1, 2, 8), + Help: "number of requests in one batch", + }, []string{"store"}) TiKVBatchClientUnavailable = prometheus.NewHistogram( prometheus.HistogramOpts{ Namespace: "tidb", diff --git a/store/tikv/client.go b/store/tikv/client.go index 44756f83840b2..d4727f21a1688 100644 --- a/store/tikv/client.go +++ b/store/tikv/client.go @@ -130,7 +130,8 @@ func (a *connArray) Init(addr string, security config.Security, idleNotify *uint allowBatch := (cfg.TiKVClient.MaxBatchSize > 0) && enableBatch if allowBatch { a.batchConn = newBatchConn(uint(len(a.v)), cfg.TiKVClient.MaxBatchSize, idleNotify) - a.pendingRequests = metrics.TiKVPendingBatchRequests.WithLabelValues(a.target) + a.pendingRequests = metrics.TiKVBatchPendingRequests.WithLabelValues(a.target) + a.batchSize = metrics.TiKVBatchRequests.WithLabelValues(a.target) } keepAlive := cfg.TiKVClient.GrpcKeepAliveTime keepAliveTimeout := cfg.TiKVClient.GrpcKeepAliveTimeout diff --git a/store/tikv/client_batch.go b/store/tikv/client_batch.go index 3d58890dae71a..02ace17e95436 100644 --- a/store/tikv/client_batch.go +++ b/store/tikv/client_batch.go @@ -51,7 +51,8 @@ type batchConn struct { idleNotify *uint32 idleDetect *time.Timer - pendingRequests prometheus.Gauge + pendingRequests prometheus.Observer + batchSize prometheus.Observer index uint32 } @@ -77,7 +78,7 @@ func (a *batchConn) fetchAllPendingRequests( maxBatchSize int, entries *[]*batchCommandsEntry, requests *[]*tikvpb.BatchCommandsRequest_Request, -) { +) time.Time { // Block on the first element. var headEntry *batchCommandsEntry select { @@ -91,13 +92,14 @@ func (a *batchConn) fetchAllPendingRequests( atomic.AddUint32(&a.idle, 1) atomic.CompareAndSwapUint32(a.idleNotify, 0, 1) // This batchConn to be recycled - return + return time.Now() case <-a.closed: - return + return time.Now() } if headEntry == nil { - return + return time.Now() } + ts := time.Now() *entries = append(*entries, headEntry) *requests = append(*requests, headEntry.req) @@ -106,14 +108,15 @@ func (a *batchConn) fetchAllPendingRequests( select { case entry := <-a.batchCommandsCh: if entry == nil { - return + return ts } *entries = append(*entries, entry) *requests = append(*requests, entry.req) default: - return + return ts } } + return ts } // fetchMorePendingRequests fetches more pending requests from the channel. @@ -125,8 +128,6 @@ func fetchMorePendingRequests( entries *[]*batchCommandsEntry, requests *[]*tikvpb.BatchCommandsRequest_Request, ) { - waitStart := time.Now() - // Try to collect `batchWaitSize` requests, or wait `maxWaitTime`. after := time.NewTimer(maxWaitTime) for len(*entries) < batchWaitSize { @@ -137,8 +138,7 @@ func fetchMorePendingRequests( } *entries = append(*entries, entry) *requests = append(*requests, entry.req) - case waitEnd := <-after.C: - metrics.TiKVBatchWaitDuration.Observe(float64(waitEnd.Sub(waitStart))) + case <-after.C: return } } @@ -156,7 +156,6 @@ func fetchMorePendingRequests( *entries = append(*entries, entry) *requests = append(*requests, entry.req) default: - metrics.TiKVBatchWaitDuration.Observe(float64(time.Since(waitStart))) return } } @@ -224,7 +223,8 @@ func (c *batchCommandsClient) send(request *tikvpb.BatchCommandsRequest, entries } } - if err := c.initBatchClient(); err != nil { + err := c.initBatchClient() + if err != nil { logutil.BgLogger().Warn( "init create streaming fail", zap.String("target", c.target), @@ -233,6 +233,7 @@ func (c *batchCommandsClient) send(request *tikvpb.BatchCommandsRequest, entries c.failPendingRequests(err) return } + if err := c.client.Send(request); err != nil { logutil.BgLogger().Info( "sending batch commands meets error", @@ -469,8 +470,9 @@ func (a *batchConn) batchSendLoop(cfg config.TiKVClient) { requests = resetRequests(requests) requestIDs = requestIDs[:0] - a.pendingRequests.Set(float64(len(a.batchCommandsCh))) - a.fetchAllPendingRequests(int(cfg.MaxBatchSize), &entries, &requests) + start := a.fetchAllPendingRequests(int(cfg.MaxBatchSize), &entries, &requests) + a.pendingRequests.Observe(float64(len(a.batchCommandsCh))) + a.batchSize.Observe(float64(len(requests))) // curl -XPUT -d 'return(true)' http://0.0.0.0:10080/fail/github.com/pingcap/tidb/store/tikv/mockBlockOnBatchClient failpoint.Inject("mockBlockOnBatchClient", func(val failpoint.Value) { @@ -482,6 +484,7 @@ func (a *batchConn) batchSendLoop(cfg config.TiKVClient) { if len(entries) < int(cfg.MaxBatchSize) && cfg.MaxBatchWaitTime > 0 { // If the target TiKV is overload, wait a while to collect more requests. if atomic.LoadUint64(&a.tikvTransportLayerLoad) >= uint64(cfg.OverloadThreshold) { + metrics.TiKvBatchWaitOverLoad.Add(1) fetchMorePendingRequests( a.batchCommandsCh, int(cfg.MaxBatchSize), int(bestBatchWaitSize), cfg.MaxBatchWaitTime, &entries, &requests, @@ -505,6 +508,7 @@ func (a *batchConn) batchSendLoop(cfg config.TiKVClient) { } a.getClientAndSend(entries, requests, requestIDs) + metrics.TiKVBatchSendLatency.Observe(float64(time.Since(start))) } } @@ -612,6 +616,7 @@ func sendBatchRequest( timer := time.NewTimer(timeout) defer timer.Stop() + start := time.Now() select { case batchConn.batchCommandsCh <- entry: case <-ctx.Done(): @@ -621,6 +626,7 @@ func sendBatchRequest( case <-timer.C: return nil, errors.SuspendStack(errors.Annotate(context.DeadlineExceeded, "wait sendLoop")) } + metrics.TiKVBatchWaitDuration.Observe(float64(time.Since(start))) select { case res, ok := <-entry.res: From e5a9e4690fb4febf806d5a670a6efedd8bf3e50e Mon Sep 17 00:00:00 2001 From: Null not nil <67764674+nullnotnil@users.noreply.github.com> Date: Mon, 19 Oct 2020 23:11:06 -0600 Subject: [PATCH 0049/1021] bindinfo: add debugging to plan evolve (#20523) --- bindinfo/handle.go | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) diff --git a/bindinfo/handle.go b/bindinfo/handle.go index a120463db8b79..03757e3da113d 100644 --- a/bindinfo/handle.go +++ b/bindinfo/handle.go @@ -756,6 +756,10 @@ const ( // acceptFactor is the factor to decide should we accept the pending verified plan. // A pending verified plan will be accepted if it performs at least `acceptFactor` times better than the accepted plans. acceptFactor = 1.5 + // verifyTimeoutFactor is how long to wait to verify the pending plan. + // For debugging purposes it is useful to wait a few times longer than the current execution time so that + // an informative error can be written to the log. + verifyTimeoutFactor = 2.0 // nextVerifyDuration is the duration that we will retry the rejected plans. nextVerifyDuration = 7 * 24 * time.Hour ) @@ -808,6 +812,7 @@ func (h *BindHandle) getRunningDuration(sctx sessionctx.Context, db, sql string, return time.Since(startTime), nil case <-timer.C: cancelFunc() + logutil.BgLogger().Warn("plan verification timed out", zap.Duration("timeElapsed", time.Since(startTime))) } <-resultChan return -1, nil @@ -857,7 +862,7 @@ func (h *BindHandle) HandleEvolvePlanTask(sctx sessionctx.Context, adminEvolve b return nil } sctx.GetSessionVars().UsePlanBaselines = true - acceptedPlanTime, err := h.getRunningDuration(sctx, db, binding.BindSQL, maxTime) + currentPlanTime, err := h.getRunningDuration(sctx, db, binding.BindSQL, maxTime) // If we just return the error to the caller, this job will be retried again and again and cause endless logs, // since it is still in the bind record. Now we just drop it and if it is actually retryable, // we will hope for that we can capture this evolve task again. @@ -866,16 +871,22 @@ func (h *BindHandle) HandleEvolvePlanTask(sctx sessionctx.Context, adminEvolve b } // If the accepted plan timeouts, it is hard to decide the timeout for verify plan. // Currently we simply mark the verify plan as `using` if it could run successfully within maxTime. - if acceptedPlanTime > 0 { - maxTime = time.Duration(float64(acceptedPlanTime) / acceptFactor) + if currentPlanTime > 0 { + maxTime = time.Duration(float64(currentPlanTime) * verifyTimeoutFactor) } sctx.GetSessionVars().UsePlanBaselines = false verifyPlanTime, err := h.getRunningDuration(sctx, db, binding.BindSQL, maxTime) if err != nil { return h.DropBindRecord(originalSQL, db, &binding) } - if verifyPlanTime < 0 { + if verifyPlanTime == -1 || (float64(verifyPlanTime)*acceptFactor > float64(currentPlanTime)) { binding.Status = Rejected + digestText, _ := parser.NormalizeDigest(binding.BindSQL) // for log desensitization + logutil.BgLogger().Warn("new plan rejected", + zap.Duration("currentPlanTime", currentPlanTime), + zap.Duration("verifyPlanTime", verifyPlanTime), + zap.String("digestText", digestText), + ) } else { binding.Status = Using } From 0522f658bdb9335fe4ca980a71e664cebdd0c556 Mon Sep 17 00:00:00 2001 From: bb7133 Date: Tue, 20 Oct 2020 14:24:43 +0800 Subject: [PATCH 0050/1021] docs/design: add proposal for full collations support (#14574) --- docs/design/2020-01-24-collations.md | 285 +++++++++++++++++++++++++++ docs/design/README.md | 1 + 2 files changed, 286 insertions(+) create mode 100644 docs/design/2020-01-24-collations.md diff --git a/docs/design/2020-01-24-collations.md b/docs/design/2020-01-24-collations.md new file mode 100644 index 0000000000000..73ddc6b5586e0 --- /dev/null +++ b/docs/design/2020-01-24-collations.md @@ -0,0 +1,285 @@ +# Proposal: Collations in TiDB + +- Author(s): [Wang Cong](http://github.com/bb7133), [Kolbe Kegel](http://github.com/kolbe) +- Last updated: 2020-02-09 +- Discussion at: https://github.com/pingcap/tidb/issues/14573 + +## Abstract + +For now, TiDB only supports binary collations, this proposal is aimed to provide full collations support for TiDB. + +## Background + +### Collations + +The term "Collation" is defined as the process and function of determining the sorting order of strings of characters, it varies according to language and culture. + +Collations are useful when comparing and sorting data. Different languages have different rules for how to order data and how to compare characters. For example, in Swedish, "ö" and "o" are in fact different letters, so they should not be equivalent in a query (`SELECT ... WHERE col LIKE '%o%'`); additionally, Swedish sorting rules place "ö" after "z" in the alphabet. Meanwhile, in German, "ö" is officially considered a separate letter from "o", but it can be sorted along with "o", expanded to sort along with "oe", or sort at the end of the alphabet, depending on the context (dictionary, phonebook, etc.). In French, diacritics never affect comparison or sorting. The issue becomes even more complex with Unicode and certain Unicode encodings (especially UTF-8) where the same logical character can be represented in many different ways, using a variable number of bytes. For example, "ö" in UTF-8 is represented by the byte sequence C3B6, but it can also be represented using the "combining diaeresis" as 6FCC88. These should compare equivalently when using a multibyte-aware collation. Implementing this functionality as far down as possible in the database reduces the number of rows that must be shipped around. + +### Current collations in MySQL + +In MySQL, collation is treated as an attribute of the character set: for each character set has options for different collations(and one of them is the default collation), every collation belongs to one character set only. The effects of collation are: + + * It defines a total order on all characters of a character set. + * It determines if padding is applied when comparing two strings. + * It describes comparisons of logically identical but physically different byte sequences. +Some examples of the effects of collation can be found in [this part](https://dev.mysql.com/doc/refman/8.0/en/charset-collation-effect.html) of the MySQL Manual and [this webpage](http://demo.icu-project.org/icu-bin/locexp?_=en_US&x=col). + +Several collation implementations are described in [this part](https://dev.mysql.com/doc/refman/8.0/en/charset-collation-implementations.html) of MySQL Manual: + + * Per-character table lookup for 8-bit character sets, for example: `latin1_swedish_ci`. + * Per-character table lookup for multibyte character sets, including some of the Unicode collations, for example: `utf8mb4_general_ci`. + - Full UCA implementation for some Unicode collations, for example: `utf8mb4_0900_ai_ci`. + +### Current collations in TiDB + +For all character sets that are supported, TiDB accepts all of their collations by syntax and stores them as a part of metadata. The real collate-related behaviors are always in binary. For example, + +``` +tidb> create table t(a varchar(20) charset utf8mb4 collate utf8mb4_general_ci key); +Query OK, 0 rows affected +tidb> show create table t; ++-------+-------------------------------------------------------------+ +| Table | Create Table | ++-------+-------------------------------------------------------------+ +| t | CREATE TABLE `t` ( | +| | `a` varchar(20) COLLATE utf8mb4_general_ci NOT NULL, | +| | PRIMARY KEY (`a`) | +| | ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin | ++-------+-------------------------------------------------------------+ +1 row in set +tidb> insert into t values ('A'); +Query OK, 1 row affected +tidb> insert into t values ('a'); +Query OK, 1 row affected // Should report error "Duplicate entry 'a'" +``` +In the case above, the user creates a column with a case-insensitive collation `utf8mb4_general_ci`. Since the 'real' collation of TiDB is always `utf8mb4_bin`/`binary`, inserting data into the primary key with "A" and "a" does not lead to an error. + +What's more, the collation `utf8mb4_bin` in MySQL is defined with attribute `PAD SPACE`, that is, trailing spaces are ignored when comparison. Currently `utf8mb4_bin` in TiDB is actually with attribute `NO PAD`: + +``` +tidb> create table t1(a varchar(20) charset utf8mb4 collate utf8mb4_bin key); +Query OK, 0 rows affected +tidb> insert into t1 values ('a') +Query OK, 1 row affected +tidb> insert into t1 values ('a '); +Query OK, 1 row affected // Should report error "Duplicate entry 'a '" +``` + +### Changes to make + +Before diving into the details, we should notice that ALL strings in MySQL(and TiDB as well) are with implicit collations, if they're not explicitly specified. So, if we aim to update the collations in TiDB, codes related to strings comparison/lookup should be checked: + + - Encoding/Decoding: update codec related functions in `codec`/`tablecodec` package. + - SQL Runtime: + + implement `WEIGHT_STRING()` expression, which returns the sorting hexadecimal value(or `sortKeys`) for a string. This expression will be helpful for debugging collations. + + update like/regex/string comparison related functions in `expression` package. + + update the comparisons logic in Join/Aggregation executors in `executor` package. + + update the codes in `UnionScan`(the internal buffer of transaction). + - SQL Optimizer: the optimizer may need to be alignd with the encoding changes in `planner` package. + - DDL/Schema: check if the new collation is supported according to the versions of tables/columns, the related codes are in `ddl` and `infoschema` package. + - Misc + + update string comparison related functions in `util` package. + + check if range functions defined in table partitions work with collations. + +## Proposal + +### Collate Interface + +There are bascially two functions needed for the collate comparison: + + * Function that is used to compare two strings according to the given collation. + * Function that is used to make a memory-comparable `sortKey` corresponding to the given string. + +The interface can be defined as following: + +``` +type CharsetCollation interface { + // Compare returns an integer comparing the two byte slices. The result will be 0 if a == b, -1 if a < b, and +1 if a > b. + Compare(a, b []byte) (int, error) + // Key returns the collation key for str, the returned slice will point to an allocation in Buffer. + Key(buf *Buffer, str []byte) ([]byte, error) +} +``` +The interface is quite similar to the Go [collate package](https://godoc.org/golang.org/x/text/collate). + +### Row Format + +The encoding layout of TiDB has been described in our [previous article](https://pingcap.com/blog/2017-07-11-tidbinternal2/#map). The row format should be changed to make it memory comparable, this is important to the index lookup. Basic principle is that all keys encoded for strings should use the `sortKeys` result from `Key()`/`KeyFromString()` function. However, most of the `sortKeys` calculations are not reversible. + + * For table data, encodings stay unchanged. All strings are compared after decoding with the `Compare()` function. + * For table indices, we replace current `ColumnValue` with `sortKey` and encode the `ColumnValue` to the value,: + - For unique indices: + ``` + Key: tablePrefix{tableID}_indexPrefixSep{indexID}_sortKey + Value: rowID_indexedColumnsValue + ``` + - For non-unique indices: + ``` + Key: tablePrefix{tableID}_indexPrefixSep{indexID}_sortKeys_rowID + Value: indexedColumnsValue + ``` + +Pros: Value of the index can be recovered from `ColumnValue` in value. It is able to scan just the index in order to upgrade the on-disk storage to fix bugs in collations, because it has the `sortKey` and the value in the index. + +Cons: The size of index value on string column with new collations is doubled(we need to write both `sortKey` and `indexedColumnsValue`, their sizes are equal for most of the collations). + +#### Rejected Alternative + +A possible alternative option was considered as following: + + * For table data, encodings stay unchanged. + * For table indices, we replace current `ColumnValue` with `sortKey` without additional change: + - For unique indices: + ``` + Key: tablePrefix{tableID}_indexPrefixSep{indexID}_sortKey + Value: rowID + ``` + - For non-unique indices: + ``` + Key: tablePrefix{tableID}_indexPrefixSep{indexID}_sortKeys_rowID + Value: null + ``` + +Pros: + The current encoding layout keeps unchanged. + +Cons: + Since index value can not be recovered from `sortKey`, extra table lookup is needed for current index-only queries, this may lead to performance regressions and the "covering index" can not work. The extra table lookup also requires corresponding changes to the TiDB optimizer. + +The reason to reject this option is, as a distributed system, the cost of potential table lookup high so that it should be avoided it as much as possible. What's more, adding a covering index is a common SQL optimization method for the DBAs: table lookup can not be avoided through covering index is counter-intuitive. + +## Compatibility + +### Compatibility with MySQL + +As stated before, MySQL has various different collation implementations. For example, in MySQL 5.7, the default collation of `utf8mb4` is `utf8mb4_general_ci`, which has two main flaws: + + * It only implement the `simple mappings` of UCA. + * It used a very old version of UCA. + +In MySQL 8, the default collation of `utf8mb4` has been changed to `utf8mb4_0900_ai_ci`, in which the Unicode version is upgraded to 9.0, with full UCA implementation. + +Should TiDB aim to support all collation of MySQL? + + * If TiDB supports the latest collations only(for example, support `utf8mb4_0900_ai_ci` only and treat `utf8mb4_general_ci` as one of its alias). This seems to be 'standard-correct' but may lead to potential compatibility issues. + * If TiDB supports all the collations, all of their implementations should be analyzed carefully. That is a lot of work. + +### Compatibility between TiDB versions + +In this proposal, both of the compatibility issues can be solved in the new version of TiDB, and with the help of the version of metadata in TiDB, we can always indicate if a collation is old(the "fake one") or new(the "real one"). However, here we propose several requirements below and careful considerations are needed to meet them as many as possible: + + 1. For an existing TiDB cluster, its behavior remains unchanged after upgrading to newer version + - a. After upgrade, the behavior of existing tables remains unchanged. + - b. After upgrade, the behavior of newly-created tables remains unchanged. + - c. If a TiDB cluster is replicating the data to a MySQL instance through Binlog, all replications remain unchanged. + 2. Users of MySQL who requires collations can move to TiDB without modifying their scripts/applications. + 3. Users of TiDB can distinguish the tables with old collation and new collations easily, if they both exist in a TiDB cluster. + 4. All replications/backups/recovers through TiDB tools like Binlog-related mechanism, CDC and BR should not encounter unexpected errors caused from the changes of collations in TiDB. For example, + - When using BR, if backup data from old cluster is applied to the new cluster, the new cluster should know that the data is binary collated without padding, or otherwise 'Duplicate entry' error may be reported for primary key/unique key columns. + - If we don't allow both old collations and new collations exist in a TiDB cluster(the Option 4, see below), trying to make replications/backup & recovery between old/new clusters will break this prerequisite. + +Based on the requirements listed above, the following behaviors are proposed: + +1. Only TiDB clusters that initially boostrapped with the new TiDB version are allowed to enable the new collations. For old TiDB clusters, everything remains unchanged after the upgrade. + +2. We can also provide a configuration entry for the users to choose between old/new collations when deploying the new clusters. + +3. Mark old collations with syntax comment. For a upgraded TiDB cluster, add comment like "`/* AS_BINARY_COLLATION */`" for the old collations; all collations with "`/* AS_BINARY_COLLATION */`" comment are treated as the old ones. + +Pros: Requirement 1 and 2 are met, requirement 3 can be met if we allow old/new collations exist in the same cluster in the future, since old collations are marked with syntax comment. + +Cons: Since existing TiDB cluster can't get new collations enabled, requirement 3 is eliminated; Requirement 4 is not met. + +#### Rejected Alternatives + +The main reason to reject those options are: new collations that are not exist in MySQL have to be added, which may be confusing to the users and potentially break the compatibility between TiDB and MySQL. + +##### Option 1 + +Add a series of new collatins named with the suffix "`_np_bin`"(meaning "NO PADDING BINARY"), for example, `utf8mb4_np_bin`. Such new collations don't exist in MySQL, but they're the "real ones" used by current TiDB. After upgrading to newer TiDB versions, all old collations are shown as "`_np_bin`", MySQL collations behave the same with MySQL. + +Pros: Requirement 1.a, 2, 3 and 4 are met. + +Cons: Requirement 1.b, 1.c are not met. + +##### Option 2 + +Keep all collations defined in TiDB as what they were, define a series of new collations that are actually compatible with MySQL collations. For example, we can create a new `tidb_utf8_mb4_general_ci` that is the same as `utf8mb4_general_ci` in MySQL. When TiDB users want the "real" collations, they can modify their `CREATE TABLE` statements to use the new ones. + +Pros: Requirement 1.a, 1.b and 3 are met. + +Cons: Requirement 1.c, 2 and 4 are not met, the namings are also confusing: collations that are named from MySQL are different from MySQL, but the ones named different from MySQL behave the same as MySQL. + +#### Bug-fixing + +We should also expect potential bugs in implementations of collations and get prepared for fixing them in the newer version of TiDB. However, this is not trivial since the collation affects the on-storage data, so a online data reorganization is required, which is a known limitation of TiDB. For now, another proposal is planning to support reorganizing data(the "online column type change"), we can expect it to be finished in the near future. Based on that, a possible solution for collation bug-fixing can be: + + * Store a new version for the collations in the metadata of the column, it can be named as "CollationVersion" just like the current [ColumnInfoVersion](https://github.com/pingcap/parser/blob/b27aebeca4ba3fd938900fb57c0ea45c55d3753a/model/model.go#L66). This version is used to tracking the on-storage data generated by the collation. + * When we want to fix the bugs, related column index can be reorganized by a TiDB-specific DDL SQL like `ALTER TABLE ... TIDB UPGRADE COLLATION`. When the job is done, collation version is updated to the latest one. + +## Implementation + +### Collations for 8-bit charsets + +The implementation can be simply per-character mapping, same as MySQL. + +### Collations for Unicode charsets + +The following features of the general collation algorithm will be supported: + + * Primary Weight i.e. character + * Secondary Weight i.e. accent + * Tertiary Weight i.e. case + * PAD / NOPAD + +All of them are supported by `text/collate` package of Go, so it is possible to map Go collations to some of UCA-based collations in MySQL like `utf8mb4_unicode_ci`/`utf8mb4_0900_ai_ci`, if we ignore the differences between UCA versions: current `text/collate` uses UCA version `6.2.0` and it is not changable. However, the collations in MySQL are with different UCA versions marked in the names, for example, `utf8mb4_0900_ai_ci` uses version `9.0`. + +For non-standard UCA implementations in MySQL, i.e. the `utf8mb4_general_ci`. The implementation depends on our choice to the [Compatibility with MySQL](#compatibility-with-mysql) chapter, if a 100% compatibility of `utf8mb4_general_ci` is chosen, we need to implement it by our hands. + +### Collations in TiKV + +For all collations supported by TiDB, they should be supported by TiKV as well so that the coprocessors can be pushed-down. Several libraries may be helpful for the work: + + * [Rust unicode_collation](https://docs.rs/unicode-collation/0.0.1/unicode_collation) + * [Rust servo/rust-icu](https://github.com/servo/rust-icu) + * [C++ std::collate](https://en.cppreference.com/w/cpp/locale/collate) + * [C/C++ ICU4C](https://unicode-org.github.io/icu-docs/apidoc/released/icu4c) + +The libraries above work for standard UCA only, for all other collations, implementations should be done from nothing. + +## Migration Plans + +The plan depends on the option chosen in [Compatibility](#compatibility) chapter. + + * For existing TiDB clusters with current binary collations, nothing need to be done if the users are happy with them. + * For the potential migrations from MySQL to TiDB: + - If the collations used in MySQL have been implemented by TiDB, users from MySQL do not need to care about the collations when mirgrating to TiDB except Compatibility Option 2, in which the those collations need to be updated to their corresponding names. + - If there are colltions that are not supported by TiDB yet, users may need to change the them to the supported ones and check if no constraint is broken after the change. The check can be done following the approach mentioned in [this article](https://mysqlserverteam.com/mysql-8-0-collations-migrating-from-older-collations). + +## Testing Plans + +Here lists possible tests that can be done: + + * The unit / integration tests corresponding to the updates in [Changes to make](#changes-to-make) + * The unit / integration tests corresponding to the [implementations](#implementation) + * The collations cases that ported from mysql-tests + * The copr-pushdown tests of TiDB/TiKV + +## Possible Future Works + +We have an opportunity to do a much better job than MySQL has done. + +A collation, logically, should not be a property of a character set. Since all character sets are subsets of Unicode, collations can apply to Unicode codepoints without needing to be tied to individual character sets. + +Further, a collation should not need to be a property of a column, it could rather be a property of an index, so that multiple collations can be defined for individual database objects. This would permit efficient querying of data by many different means. + +## Related issues + +- https://github.com/pingcap/tidb/issues/222 +- https://github.com/pingcap/tidb/issues/1161 +- https://github.com/pingcap/tidb/issues/3580 +- https://github.com/pingcap/tidb/issues/4353 +- https://github.com/pingcap/tidb/issues/7519 +- https://github.com/pingcap/tidb/issues/10192 + diff --git a/docs/design/README.md b/docs/design/README.md index c493556cafb9a..793c7cf7e701b 100644 --- a/docs/design/README.md +++ b/docs/design/README.md @@ -34,6 +34,7 @@ Writing a design document can promote us to think deliberately and gather knowle - [Proposal: Join Reorder Design v1](./2018-10-20-join-reorder-dp-v1.md) - [Proposal: Support Window Functions](./2018-10-31-window-functions.md) - [Proposal: Access a table using multiple indexes](./2019-04-11-indexmerge.md) +- [Proposal: Collations in TiDB](./2020-01-24-collations.md) ### Completed From 08069206ed81f094bf8db7ec515ca183614d874a Mon Sep 17 00:00:00 2001 From: Yongzheng Lai Date: Tue, 20 Oct 2020 15:23:30 +0800 Subject: [PATCH 0051/1021] table: should not skip when default value is not null (#20491) --- ddl/db_integration_test.go | 13 +++++++++++++ table/tables/tables.go | 4 ++-- 2 files changed, 15 insertions(+), 2 deletions(-) diff --git a/ddl/db_integration_test.go b/ddl/db_integration_test.go index 4a8b7a8a20328..fa2392d271c5c 100644 --- a/ddl/db_integration_test.go +++ b/ddl/db_integration_test.go @@ -2453,3 +2453,16 @@ func (s *testIntegrationSuite7) TestAutoIncrementTableOption(c *C) { tk.MustExec("insert into t values ();") tk.MustQuery("select * from t;").Check(testkit.Rows("12345678901234567890")) } + +func (s *testIntegrationSuite3) TestIssue20490(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("create table issue20490 (a int);") + tk.MustExec("insert into issue20490(a) values(1);") + tk.MustExec("alter table issue20490 add b int not null default 1;") + tk.MustExec("insert into issue20490(a) values(2);") + tk.MustExec("alter table issue20490 modify b int null;") + tk.MustExec("insert into issue20490(a) values(3);") + + tk.MustQuery("select b from issue20490 order by a;").Check(testkit.Rows("1", "1", "")) +} diff --git a/table/tables/tables.go b/table/tables/tables.go index 67eb1e9723fdb..78689321286a2 100644 --- a/table/tables/tables.go +++ b/table/tables/tables.go @@ -1400,7 +1400,7 @@ func (t *TableCommon) canSkip(col *table.Column, value *types.Datum) bool { // CanSkip is for these cases, we can skip the columns in encoded row: // 1. the column is included in primary key; -// 2. the column's default value is null, and the value equals to that; +// 2. the column's default value is null, and the value equals to that but has no origin default; // 3. the column is virtual generated. func CanSkip(info *model.TableInfo, col *table.Column, value *types.Datum) bool { if col.IsPKHandleColumn(info) { @@ -1420,7 +1420,7 @@ func CanSkip(info *model.TableInfo, col *table.Column, value *types.Datum) bool return canSkip } } - if col.GetDefaultValue() == nil && value.IsNull() { + if col.GetDefaultValue() == nil && value.IsNull() && col.GetOriginDefaultValue() == nil { return true } if col.IsGenerated() && !col.GeneratedStored { From fe84373309f9c5c2cb4df9555d083c20e99d8fed Mon Sep 17 00:00:00 2001 From: qupeng Date: Tue, 20 Oct 2020 17:35:26 +0800 Subject: [PATCH 0052/1021] session: make tidb_replica_read work correctly (#20386) Signed-off-by: qupeng --- distsql/request_builder_test.go | 50 +++++++++++++----------- store/tikv/region_cache_test.go | 2 +- store/tikv/region_request.go | 47 ++++++++++++----------- store/tikv/region_request_test.go | 63 ++++++++++++++++++++++--------- store/tikv/tikvrpc/tikvrpc.go | 4 +- 5 files changed, 103 insertions(+), 63 deletions(-) diff --git a/distsql/request_builder_test.go b/distsql/request_builder_test.go index 9387f1ef68b34..4fe2617efffe1 100644 --- a/distsql/request_builder_test.go +++ b/distsql/request_builder_test.go @@ -573,32 +573,38 @@ func (s *testSuite) TestRequestBuilder6(c *C) { } func (s *testSuite) TestRequestBuilder7(c *C) { - vars := variable.NewSessionVars() - vars.SetReplicaRead(kv.ReplicaReadFollower) + for _, replicaRead := range []kv.ReplicaReadType{ + kv.ReplicaReadLeader, + kv.ReplicaReadFollower, + kv.ReplicaReadMixed, + } { + vars := variable.NewSessionVars() + vars.SetReplicaRead(replicaRead) - concurrency := 10 + concurrency := 10 - actual, err := (&RequestBuilder{}). - SetFromSessionVars(vars). - SetConcurrency(concurrency). - Build() - c.Assert(err, IsNil) + actual, err := (&RequestBuilder{}). + SetFromSessionVars(vars). + SetConcurrency(concurrency). + Build() + c.Assert(err, IsNil) - expect := &kv.Request{ - Tp: 0, - StartTs: 0x0, - KeepOrder: false, - Desc: false, - Concurrency: concurrency, - IsolationLevel: 0, - Priority: 0, - NotFillCache: false, - SyncLog: false, - Streaming: false, - ReplicaRead: kv.ReplicaReadFollower, - } + expect := &kv.Request{ + Tp: 0, + StartTs: 0x0, + KeepOrder: false, + Desc: false, + Concurrency: concurrency, + IsolationLevel: 0, + Priority: 0, + NotFillCache: false, + SyncLog: false, + Streaming: false, + ReplicaRead: replicaRead, + } - c.Assert(actual, DeepEquals, expect) + c.Assert(actual, DeepEquals, expect) + } } func (s *testSuite) TestRequestBuilder8(c *C) { diff --git a/store/tikv/region_cache_test.go b/store/tikv/region_cache_test.go index 0b259ddf6b110..c05c6b025139c 100644 --- a/store/tikv/region_cache_test.go +++ b/store/tikv/region_cache_test.go @@ -1116,7 +1116,7 @@ func (s *testRegionCacheSuite) TestPeersLenChange(c *C) { s.cache.OnSendFail(NewNoopBackoff(context.Background()), ctx, false, errors.New("send fail")) } -func (s *testRegionRequestSuite) TestGetRegionByIDFromCache(c *C) { +func (s *testRegionRequestToSingleStoreSuite) TestGetRegionByIDFromCache(c *C) { region, err := s.cache.LocateRegionByID(s.bo, s.region) c.Assert(err, IsNil) c.Assert(region, NotNil) diff --git a/store/tikv/region_request.go b/store/tikv/region_request.go index a4f10998b49c5..196471606a9d5 100644 --- a/store/tikv/region_request.go +++ b/store/tikv/region_request.go @@ -204,6 +204,28 @@ func (s *RegionRequestSender) SendReq(bo *Backoffer, req *tikvrpc.Request, regio return resp, err } +func (s *RegionRequestSender) getRPCContext( + bo *Backoffer, + req *tikvrpc.Request, + regionID RegionVerID, + sType kv.StoreType, +) (*RPCContext, error) { + switch sType { + case kv.TiKV: + var seed uint32 + if req.ReplicaReadSeed != nil { + seed = *req.ReplicaReadSeed + } + return s.regionCache.GetTiKVRPCContext(bo, regionID, req.ReplicaReadType, seed) + case kv.TiFlash: + return s.regionCache.GetTiFlashRPCContext(bo, regionID) + case kv.TiDB: + return &RPCContext{Addr: s.storeAddr}, nil + default: + return nil, errors.Errorf("unsupported storage type: %v", sType) + } +} + // SendReqCtx sends a request to tikv server and return response and RPCCtx of this RPC. func (s *RegionRequestSender) SendReqCtx( bo *Backoffer, @@ -250,36 +272,17 @@ func (s *RegionRequestSender) SendReqCtx( } }) - var replicaRead kv.ReplicaReadType - if req.ReplicaRead { - replicaRead = kv.ReplicaReadFollower - } else { - replicaRead = kv.ReplicaReadLeader - } tryTimes := 0 for { if (tryTimes > 0) && (tryTimes%100000 == 0) { logutil.Logger(bo.ctx).Warn("retry get ", zap.Uint64("region = ", regionID.GetID()), zap.Int("times = ", tryTimes)) } - switch sType { - case kv.TiKV: - var seed uint32 - if req.ReplicaReadSeed != nil { - seed = *req.ReplicaReadSeed - } - rpcCtx, err = s.regionCache.GetTiKVRPCContext(bo, regionID, replicaRead, seed) - case kv.TiFlash: - rpcCtx, err = s.regionCache.GetTiFlashRPCContext(bo, regionID) - case kv.TiDB: - rpcCtx = &RPCContext{ - Addr: s.storeAddr, - } - default: - err = errors.Errorf("unsupported storage type: %v", sType) - } + + rpcCtx, err = s.getRPCContext(bo, req, regionID, sType) if err != nil { return nil, nil, err } + failpoint.Inject("invalidCacheAndRetry", func() { // cooperate with github.com/pingcap/tidb/store/tikv/gcworker/setGcResolveMaxBackoff if c := bo.ctx.Value("injectedBackoff"); c != nil { diff --git a/store/tikv/region_request_test.go b/store/tikv/region_request_test.go index 4943ea04742b6..b2e1812275cf6 100644 --- a/store/tikv/region_request_test.go +++ b/store/tikv/region_request_test.go @@ -34,7 +34,7 @@ import ( "google.golang.org/grpc" ) -type testRegionRequestSuite struct { +type testRegionRequestToSingleStoreSuite struct { cluster *mocktikv.Cluster store uint64 peer uint64 @@ -45,7 +45,7 @@ type testRegionRequestSuite struct { mvccStore mocktikv.MVCCStore } -type testStoreLimitSuite struct { +type testRegionRequestToThreeStoresSuite struct { cluster *mocktikv.Cluster storeIDs []uint64 peerIDs []uint64 @@ -57,10 +57,10 @@ type testStoreLimitSuite struct { mvccStore mocktikv.MVCCStore } -var _ = Suite(&testRegionRequestSuite{}) -var _ = Suite(&testStoreLimitSuite{}) +var _ = Suite(&testRegionRequestToSingleStoreSuite{}) +var _ = Suite(&testRegionRequestToThreeStoresSuite{}) -func (s *testRegionRequestSuite) SetUpTest(c *C) { +func (s *testRegionRequestToSingleStoreSuite) SetUpTest(c *C) { s.cluster = mocktikv.NewCluster(mocktikv.MustNewMVCCStore()) s.store, s.peer, s.region = mocktikv.BootstrapWithSingleStore(s.cluster) pdCli := &codecPDClient{mocktikv.NewPDClient(s.cluster)} @@ -71,7 +71,7 @@ func (s *testRegionRequestSuite) SetUpTest(c *C) { s.regionRequestSender = NewRegionRequestSender(s.cache, client) } -func (s *testStoreLimitSuite) SetUpTest(c *C) { +func (s *testRegionRequestToThreeStoresSuite) SetUpTest(c *C) { s.cluster = mocktikv.NewCluster(mocktikv.MustNewMVCCStore()) s.storeIDs, s.peerIDs, s.regionID, s.leaderPeer = mocktikv.BootstrapWithMultiStores(s.cluster, 3) pdCli := &codecPDClient{mocktikv.NewPDClient(s.cluster)} @@ -82,11 +82,11 @@ func (s *testStoreLimitSuite) SetUpTest(c *C) { s.regionRequestSender = NewRegionRequestSender(s.cache, client) } -func (s *testRegionRequestSuite) TearDownTest(c *C) { +func (s *testRegionRequestToSingleStoreSuite) TearDownTest(c *C) { s.cache.Close() } -func (s *testStoreLimitSuite) TearDownTest(c *C) { +func (s *testRegionRequestToThreeStoresSuite) TearDownTest(c *C) { s.cache.Close() } @@ -102,7 +102,36 @@ func (f *fnClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.Re return f.fn(ctx, addr, req, timeout) } -func (s *testRegionRequestSuite) TestOnRegionError(c *C) { +func (s *testRegionRequestToThreeStoresSuite) TestGetRPCContext(c *C) { + // Load the bootstrapped region into the cache. + _, err := s.cache.BatchLoadRegionsFromKey(s.bo, []byte{}, 1) + c.Assert(err, IsNil) + + var seed uint32 = 0 + var regionID = RegionVerID{s.regionID, 0, 0} + + req := tikvrpc.NewReplicaReadRequest(tikvrpc.CmdGet, &kvrpcpb.GetRequest{}, kv.ReplicaReadLeader, &seed) + rpcCtx, err := s.regionRequestSender.getRPCContext(s.bo, req, regionID, kv.TiKV) + c.Assert(err, IsNil) + c.Assert(rpcCtx.Peer.Id, Equals, s.leaderPeer) + + req.ReplicaReadType = kv.ReplicaReadFollower + rpcCtx, err = s.regionRequestSender.getRPCContext(s.bo, req, regionID, kv.TiKV) + c.Assert(err, IsNil) + c.Assert(rpcCtx.Peer.Id, Not(Equals), s.leaderPeer) + + req.ReplicaReadType = kv.ReplicaReadMixed + rpcCtx, err = s.regionRequestSender.getRPCContext(s.bo, req, regionID, kv.TiKV) + c.Assert(err, IsNil) + c.Assert(rpcCtx.Peer.Id, Equals, s.leaderPeer) + + seed = 1 + rpcCtx, err = s.regionRequestSender.getRPCContext(s.bo, req, regionID, kv.TiKV) + c.Assert(err, IsNil) + c.Assert(rpcCtx.Peer.Id, Not(Equals), s.leaderPeer) +} + +func (s *testRegionRequestToSingleStoreSuite) TestOnRegionError(c *C) { req := tikvrpc.NewRequest(tikvrpc.CmdRawPut, &kvrpcpb.RawPutRequest{ Key: []byte("key"), Value: []byte("value"), @@ -131,7 +160,7 @@ func (s *testRegionRequestSuite) TestOnRegionError(c *C) { } -func (s *testStoreLimitSuite) TestStoreTokenLimit(c *C) { +func (s *testRegionRequestToThreeStoresSuite) TestStoreTokenLimit(c *C) { req := tikvrpc.NewRequest(tikvrpc.CmdPrewrite, &kvrpcpb.PrewriteRequest{}, kvrpcpb.Context{}) region, err := s.cache.LocateRegionByID(s.bo, s.regionID) c.Assert(err, IsNil) @@ -147,7 +176,7 @@ func (s *testStoreLimitSuite) TestStoreTokenLimit(c *C) { storeutil.StoreLimit.Store(oldStoreLimit) } -func (s *testRegionRequestSuite) TestOnSendFailedWithStoreRestart(c *C) { +func (s *testRegionRequestToSingleStoreSuite) TestOnSendFailedWithStoreRestart(c *C) { req := tikvrpc.NewRequest(tikvrpc.CmdRawPut, &kvrpcpb.RawPutRequest{ Key: []byte("key"), Value: []byte("value"), @@ -177,7 +206,7 @@ func (s *testRegionRequestSuite) TestOnSendFailedWithStoreRestart(c *C) { c.Assert(resp.Resp, NotNil) } -func (s *testRegionRequestSuite) TestOnSendFailedWithCloseKnownStoreThenUseNewOne(c *C) { +func (s *testRegionRequestToSingleStoreSuite) TestOnSendFailedWithCloseKnownStoreThenUseNewOne(c *C) { req := tikvrpc.NewRequest(tikvrpc.CmdRawPut, &kvrpcpb.RawPutRequest{ Key: []byte("key"), Value: []byte("value"), @@ -211,7 +240,7 @@ func (s *testRegionRequestSuite) TestOnSendFailedWithCloseKnownStoreThenUseNewOn c.Assert(resp.Resp, NotNil) } -func (s *testRegionRequestSuite) TestSendReqCtx(c *C) { +func (s *testRegionRequestToSingleStoreSuite) TestSendReqCtx(c *C) { req := tikvrpc.NewRequest(tikvrpc.CmdRawPut, &kvrpcpb.RawPutRequest{ Key: []byte("key"), Value: []byte("value"), @@ -230,7 +259,7 @@ func (s *testRegionRequestSuite) TestSendReqCtx(c *C) { c.Assert(ctx, NotNil) } -func (s *testRegionRequestSuite) TestOnSendFailedWithCancelled(c *C) { +func (s *testRegionRequestToSingleStoreSuite) TestOnSendFailedWithCancelled(c *C) { req := tikvrpc.NewRequest(tikvrpc.CmdRawPut, &kvrpcpb.RawPutRequest{ Key: []byte("key"), Value: []byte("value"), @@ -260,7 +289,7 @@ func (s *testRegionRequestSuite) TestOnSendFailedWithCancelled(c *C) { c.Assert(resp.Resp, NotNil) } -func (s *testRegionRequestSuite) TestNoReloadRegionWhenCtxCanceled(c *C) { +func (s *testRegionRequestToSingleStoreSuite) TestNoReloadRegionWhenCtxCanceled(c *C) { req := tikvrpc.NewRequest(tikvrpc.CmdRawPut, &kvrpcpb.RawPutRequest{ Key: []byte("key"), Value: []byte("value"), @@ -449,7 +478,7 @@ func (s *mockTikvGrpcServer) VerDeleteRange(context.Context, *kvrpcpb.VerDeleteR return nil, errors.New("unreachable") } -func (s *testRegionRequestSuite) TestNoReloadRegionForGrpcWhenCtxCanceled(c *C) { +func (s *testRegionRequestToSingleStoreSuite) TestNoReloadRegionForGrpcWhenCtxCanceled(c *C) { // prepare a mock tikv grpc server addr := "localhost:56341" lis, err := net.Listen("tcp", addr) @@ -491,7 +520,7 @@ func (s *testRegionRequestSuite) TestNoReloadRegionForGrpcWhenCtxCanceled(c *C) wg.Wait() } -func (s *testRegionRequestSuite) TestOnMaxTimestampNotSyncedError(c *C) { +func (s *testRegionRequestToSingleStoreSuite) TestOnMaxTimestampNotSyncedError(c *C) { req := tikvrpc.NewRequest(tikvrpc.CmdPrewrite, &kvrpcpb.PrewriteRequest{}) region, err := s.cache.LocateRegionByID(s.bo, s.region) c.Assert(err, IsNil) diff --git a/store/tikv/tikvrpc/tikvrpc.go b/store/tikv/tikvrpc/tikvrpc.go index b210431e4f7c8..c5272f43994a9 100644 --- a/store/tikv/tikvrpc/tikvrpc.go +++ b/store/tikv/tikvrpc/tikvrpc.go @@ -163,7 +163,8 @@ type Request struct { Type CmdType Req interface{} kvrpcpb.Context - ReplicaReadSeed *uint32 // pointer to follower read seed in snapshot/coprocessor + ReplicaReadType kv.ReplicaReadType // dirrerent from `kvrpcpb.Context.ReplicaRead` + ReplicaReadSeed *uint32 // pointer to follower read seed in snapshot/coprocessor StoreTp kv.StoreType } @@ -186,6 +187,7 @@ func NewRequest(typ CmdType, pointer interface{}, ctxs ...kvrpcpb.Context) *Requ func NewReplicaReadRequest(typ CmdType, pointer interface{}, replicaReadType kv.ReplicaReadType, replicaReadSeed *uint32, ctxs ...kvrpcpb.Context) *Request { req := NewRequest(typ, pointer, ctxs...) req.ReplicaRead = replicaReadType.IsFollowerRead() + req.ReplicaReadType = replicaReadType req.ReplicaReadSeed = replicaReadSeed return req } From e3a4ccf94906d9e37053b2fa85f0ffc1486fc65c Mon Sep 17 00:00:00 2001 From: xhe Date: Tue, 20 Oct 2020 21:20:04 +0800 Subject: [PATCH 0053/1021] ddl: supports transitions between time types (#19988) Signed-off-by: xhe --- ddl/column.go | 10 ++ ddl/db_test.go | 310 +++++++++++++++++++++++++++++++++++++++++++++++++ ddl/ddl_api.go | 57 ++++++++- ddl/error.go | 7 ++ 4 files changed, 379 insertions(+), 5 deletions(-) diff --git a/ddl/column.go b/ddl/column.go index e4b7dd0a6815a..997d5958b4c11 100644 --- a/ddl/column.go +++ b/ddl/column.go @@ -659,9 +659,19 @@ func needChangeColumnData(oldCol, newCol *model.ColumnInfo) bool { newCol.Tp == mysql.TypeEnum || newCol.Tp == mysql.TypeSet { return true } + + switch oldCol.Tp { + case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeTimestamp, mysql.TypeDuration, mysql.TypeYear: + switch newCol.Tp { + case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeTimestamp, mysql.TypeDuration, mysql.TypeYear: + return oldCol.Tp != newCol.Tp + } + } + if newCol.Flen > 0 && newCol.Flen < oldCol.Flen || toUnsigned != originUnsigned { return true } + return false } diff --git a/ddl/db_test.go b/ddl/db_test.go index 91847728faeca..9a231574087a5 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -45,6 +45,7 @@ import ( "github.com/pingcap/tidb/meta/autoid" "github.com/pingcap/tidb/session" "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/store/mockstore" "github.com/pingcap/tidb/store/mockstore/cluster" "github.com/pingcap/tidb/table" @@ -4600,6 +4601,315 @@ func (s *testSerialDBSuite) TestModifyColumnCharset(c *C) { } +func (s *testDBSuite1) TestModifyColumnTime(c *C) { + limit := variable.GetDDLErrorCountLimit() + variable.SetDDLErrorCountLimit(3) + + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test_db") + enableChangeColumnType := tk.Se.GetSessionVars().EnableChangeColumnType + tk.Se.GetSessionVars().EnableChangeColumnType = true + + defer func() { + variable.SetDDLErrorCountLimit(limit) + tk.Se.GetSessionVars().EnableChangeColumnType = enableChangeColumnType + }() + + //now := time.Now() + //now = time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, time.UTC) + //nowLoc := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, time.Local) + + //timeToDate1 := nowLoc.Format("2006-01-02") + //timeToDate2 := nowLoc.AddDate(0, 0, 30).Format("2006-01-02") + + //timeToDatetime1 := nowLoc.Add(20 * time.Hour).Add(12 * time.Second).Format("2006-01-02 15:04:05") + //timeToDatetime2 := nowLoc.Add(20 * time.Hour).Format("2006-01-02 15:04:05") + //timeToDatetime3 := nowLoc.Add(12 * time.Second).Format("2006-01-02 15:04:05") + //timeToDatetime4 := nowLoc.AddDate(0, 0, 30).Add(20 * time.Hour).Add(12 * time.Second).Format("2006-01-02 15:04:05") + //timeToDatetime5 := nowLoc.AddDate(0, 0, 30).Add(20 * time.Hour).Format("2006-01-02 15:04:05") + + //timeToTimestamp1 := now.Add(20 * time.Hour).Add(12 * time.Second).Format("2006-01-02 15:04:05") + //timeToTimestamp2 := now.Add(20 * time.Hour).Format("2006-01-02 15:04:05") + //timeToTimestamp3 := now.Add(12 * time.Second).Format("2006-01-02 15:04:05") + //timeToTimestamp4 := now.AddDate(0, 0, 30).Add(20 * time.Hour).Add(12 * time.Second).Format("2006-01-02 15:04:05") + //timeToTimestamp5 := now.AddDate(0, 0, 30).Add(20 * time.Hour).Format("2006-01-02 15:04:05") + + // TESTED UNDER UTC+8 + // 1. In conversion between date/time, fraction parts are taken into account + // Refer to doc: https://dev.mysql.com/doc/refman/5.7/en/date-and-time-type-conversion.html + // 2. Failed tests are commentd to pass unit-test + tests := []struct { + from string + value string + to string + expect string + err uint16 + }{ + // time to year + // TODO: ban conversion that must fail without returning accurate error + {"time", `"30 20:00:12"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"time", `"30 20:00"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"time", `"30 20"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"time", `"20:00:12"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"time", `"20:00"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"time", `"12"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"time", `"200012"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"time", `200012`, "year", "", errno.ErrWarnDataOutOfRange}, + {"time", `0012`, "year", "", errno.ErrWarnDataOutOfRange}, + {"time", `12`, "year", "", errno.ErrWarnDataOutOfRange}, + {"time", `"30 20:00:12.498"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"time", `"20:00:12.498"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"time", `"200012.498"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"time", `200012.498`, "year", "", errno.ErrWarnDataOutOfRange}, + + // time to date + // TODO: somewhat got one day earlier than expected + //{"time", `"30 20:00:12"`, "date", timeToDate2, 0}, + //{"time", `"30 20:00"`, "date", timeToDate2, 0}, + //{"time", `"30 20"`, "date", timeToDate2, 0}, + //{"time", `"20:00:12"`, "date", timeToDate1, 0}, + //{"time", `"20:00"`, "date", timeToDate1, 0}, + //{"time", `"12"`, "date", timeToDate1, 0}, + //{"time", `"200012"`, "date", timeToDate1, 0}, + //{"time", `200012`, "date", timeToDate1, 0}, + //{"time", `0012`, "date", timeToDate1, 0}, + //{"time", `12`, "date", timeToDate1, 0}, + //{"time", `"30 20:00:12.498"`, "date", timeToDate2, 0}, + //{"time", `"20:00:12.498"`, "date", timeToDate1, 0}, + //{"time", `"200012.498"`, "date", timeToDate1, 0}, + //{"time", `200012.498`, "date", timeToDate1, 0}, + + // time to datetime + // TODO: somewhat got one day earlier than expected + //{"time", `"30 20:00:12"`, "datetime", timeToDatetime4, 0}, + //{"time", `"30 20:00"`, "datetime", timeToDatetime5, 0}, + //{"time", `"30 20"`, "datetime", timeToDatetime5, 0}, + //{"time", `"20:00:12"`, "datetime", timeToDatetime1, 0}, + //{"time", `"20:00"`, "datetime", timeToDatetime2, 0}, + //{"time", `"12"`, "datetime", timeToDatetime3, 0}, + //{"time", `"200012"`, "datetime", timeToDatetime1, 0}, + //{"time", `200012`, "datetime", timeToDatetime1, 0}, + //{"time", `0012`, "datetime", timeToDatetime3, 0}, + //{"time", `12`, "datetime", timeToDatetime3, 0}, + //{"time", `"30 20:00:12.498"`, "datetime", timeToDatetime4, 0}, + //{"time", `"20:00:12.498"`, "datetime", timeToDatetime1, 0}, + //{"time", `"200012.498"`, "datetime", timeToDatetime1, 0}, + //{"time", `200012.498`, "datetime", timeToDatetime1, 0}, + + // time to timestamp + // TODO: result seems correct expect 8hrs earlier + //{"time", `"30 20:00:12"`, "timestamp", timeToTimestamp4, 0}, + //{"time", `"30 20:00"`, "timestamp", timeToTimestamp5, 0}, + //{"time", `"30 20"`, "timestamp", timeToTimestamp5, 0}, + //{"time", `"20:00:12"`, "timestamp", timeToTimestamp1, 0}, + //{"time", `"20:00"`, "timestamp", timeToTimestamp2, 0}, + //{"time", `"12"`, "timestamp", timeToTimestamp3, 0}, + //{"time", `"200012"`, "timestamp", timeToTimestamp1, 0}, + //{"time", `200012`, "timestamp", timeToTimestamp1, 0}, + //{"time", `0012`, "timestamp", timeToTimestamp3, 0}, + //{"time", `12`, "timestamp", timeToTimestamp3, 0}, + //{"time", `"30 20:00:12.498"`, "timestamp", timeToTimestamp4, 0}, + //{"time", `"20:00:12.498"`, "timestamp", timeToTimestamp1, 0}, + //{"time", `"200012.498"`, "timestamp", timeToTimestamp1, 0}, + //{"time", `200012.498`, "timestamp", timeToTimestamp1, 0}, + + // date to time + {"date", `"2019-01-02"`, "time", "00:00:00", 0}, + {"date", `"19-01-02"`, "time", "00:00:00", 0}, + {"date", `"20190102"`, "time", "00:00:00", 0}, + {"date", `"190102"`, "time", "00:00:00", 0}, + {"date", `20190102`, "time", "00:00:00", 0}, + {"date", `190102`, "time", "00:00:00", 0}, + + // date to year + // TODO: ban conversion that must fail without returning accurate error + {"date", `"2019-01-02"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"date", `"19-01-02"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"date", `"20190102"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"date", `"190102"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"date", `20190102`, "year", "", errno.ErrWarnDataOutOfRange}, + {"date", `190102`, "year", "", errno.ErrWarnDataOutOfRange}, + + // date to datetime + // TODO: looks like 8hrs later than expected + //{"date", `"2019-01-02"`, "datetime", "2019-01-02 00:00:00", 0}, + //{"date", `"19-01-02"`, "datetime", "2019-01-02 00:00:00", 0}, + //{"date", `"20190102"`, "datetime", "2019-01-02 00:00:00", 0}, + //{"date", `"190102"`, "datetime", "2019-01-02 00:00:00", 0}, + //{"date", `20190102`, "datetime", "2019-01-02 00:00:00", 0}, + //{"date", `190102`, "datetime", "2019-01-02 00:00:00", 0}, + + // date to timestamp + // TODO: looks like 8hrs later than expected + //{"date", `"2019-01-02"`, "timestamp", "2019-01-02 00:00:00", 0}, + //{"date", `"19-01-02"`, "timestamp", "2019-01-02 00:00:00", 0}, + //{"date", `"20190102"`, "timestamp", "2019-01-02 00:00:00", 0}, + //{"date", `"190102"`, "timestamp", "2019-01-02 00:00:00", 0}, + //{"date", `20190102`, "timestamp", "2019-01-02 00:00:00", 0}, + //{"date", `190102`, "timestamp", "2019-01-02 00:00:00", 0}, + + // timestamp to year + // TODO: ban conversion that must fail without returning accurate error + {"timestamp", `"2006-01-02 15:04:05"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"timestamp", `"06-01-02 15:04:05"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"timestamp", `"20060102150405"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"timestamp", `"060102150405"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"timestamp", `20060102150405`, "year", "", errno.ErrWarnDataOutOfRange}, + {"timestamp", `060102150405`, "year", "", errno.ErrWarnDataOutOfRange}, + {"timestamp", `"2006-01-02 23:59:59.506"`, "year", "", errno.ErrWarnDataOutOfRange}, + + // timestamp to time + // TODO: looks like 8hrs earlier than expected + //{"timestamp", `"2006-01-02 15:04:05"`, "time", "15:04:05", 0}, + //{"timestamp", `"06-01-02 15:04:05"`, "time", "15:04:05", 0}, + //{"timestamp", `"20060102150405"`, "time", "15:04:05", 0}, + //{"timestamp", `"060102150405"`, "time", "15:04:05", 0}, + //{"timestamp", `20060102150405`, "time", "15:04:05", 0}, + //{"timestamp", `060102150405`, "time", "15:04:05", 0}, + //{"timestamp", `"2006-01-02 23:59:59.506"`, "time", "00:00:00", 0}, + + // timestamp to date + {"timestamp", `"2006-01-02 15:04:05"`, "date", "2006-01-02", 0}, + {"timestamp", `"06-01-02 15:04:05"`, "date", "2006-01-02", 0}, + {"timestamp", `"20060102150405"`, "date", "2006-01-02", 0}, + {"timestamp", `"060102150405"`, "date", "2006-01-02", 0}, + {"timestamp", `20060102150405`, "date", "2006-01-02", 0}, + {"timestamp", `060102150405`, "date", "2006-01-02", 0}, + // TODO: check the following case + // set @@timezone="+8:00" + // create table t (a timestamp) + // insert into t (a) values('2006-01-02 23:59:59.506') + // select cast(a as date) from t == 2006-01-03 + // set @@timezone="+0:00" + // select cast(a as date) from t == 2006-01-02 + //{"timestamp", `"2006-01-02 23:59:59.506"`, "date", "2006-01-03", 0}, + + // timestamp to datetime + // TODO: looks like 8hrs earlier than expected + //{"timestamp", `"2006-01-02 15:04:05"`, "datetime", "2006-01-02 15:04:05", 0}, + //{"timestamp", `"06-01-02 15:04:05"`, "datetime", "2006-01-02 15:04:05", 0}, + //{"timestamp", `"20060102150405"`, "datetime", "2006-01-02 15:04:05", 0}, + //{"timestamp", `"060102150405"`, "datetime", "2006-01-02 15:04:05", 0}, + //{"timestamp", `20060102150405`, "datetime", "2006-01-02 15:04:05", 0}, + //{"timestamp", `060102150405`, "datetime", "2006-01-02 15:04:05", 0}, + //{"timestamp", `"2006-01-02 23:59:59.506"`, "datetime", "2006-01-03 00:00:00", 0}, + + // datetime to year + // TODO: ban conversion that must fail without returning accurate error + {"datetime", `"2006-01-02 15:04:05"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"datetime", `"06-01-02 15:04:05"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"datetime", `"20060102150405"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"datetime", `"060102150405"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"datetime", `20060102150405`, "year", "", errno.ErrWarnDataOutOfRange}, + {"datetime", `060102150405`, "year", "", errno.ErrWarnDataOutOfRange}, + {"datetime", `"2006-01-02 23:59:59.506"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"datetime", `"1000-01-02 23:59:59"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"datetime", `"9999-01-02 23:59:59"`, "year", "", errno.ErrWarnDataOutOfRange}, + + // datetime to time + {"datetime", `"2006-01-02 15:04:05"`, "time", "15:04:05", 0}, + {"datetime", `"06-01-02 15:04:05"`, "time", "15:04:05", 0}, + {"datetime", `"20060102150405"`, "time", "15:04:05", 0}, + {"datetime", `"060102150405"`, "time", "15:04:05", 0}, + {"datetime", `20060102150405`, "time", "15:04:05", 0}, + {"datetime", `060102150405`, "time", "15:04:05", 0}, + {"datetime", `"2006-01-02 23:59:59.506"`, "time", "00:00:00", 0}, + {"datetime", `"1000-01-02 23:59:59"`, "time", "23:59:59", 0}, + {"datetime", `"9999-01-02 23:59:59"`, "time", "23:59:59", 0}, + + // datetime to date + {"datetime", `"2006-01-02 15:04:05"`, "date", "2006-01-02", 0}, + {"datetime", `"06-01-02 15:04:05"`, "date", "2006-01-02", 0}, + {"datetime", `"20060102150405"`, "date", "2006-01-02", 0}, + {"datetime", `"060102150405"`, "date", "2006-01-02", 0}, + {"datetime", `20060102150405`, "date", "2006-01-02", 0}, + {"datetime", `060102150405`, "date", "2006-01-02", 0}, + {"datetime", `"2006-01-02 23:59:59.506"`, "date", "2006-01-03", 0}, + {"datetime", `"1000-01-02 23:59:59"`, "date", "1000-01-02", 0}, + {"datetime", `"9999-01-02 23:59:59"`, "date", "9999-01-02", 0}, + + // datetime to timestamp + // TODO: looks like 8hrs later than expected + //{"datetime", `"2006-01-02 15:04:05"`, "timestamp", "2006-01-02 15:04:05", 0}, + //{"datetime", `"06-01-02 15:04:05"`, "timestamp", "2006-01-02 15:04:05", 0}, + //{"datetime", `"20060102150405"`, "timestamp", "2006-01-02 15:04:05", 0}, + //{"datetime", `"060102150405"`, "timestamp", "2006-01-02 15:04:05", 0}, + //{"datetime", `20060102150405`, "timestamp", "2006-01-02 15:04:05", 0}, + //{"datetime", `060102150405`, "timestamp", "2006-01-02 15:04:05", 0}, + //{"datetime", `"2006-01-02 23:59:59.506"`, "timestamp", "2006-01-02 23:59:59", 0}, + //{"datetime", `"1000-01-02 23:59:59"`, "timestamp", "", errno.ErrTruncatedWrongValue}, + //{"datetime", `"9999-01-02 23:59:59"`, "timestamp", "", errno.ErrTruncatedWrongValue}, + + // year to time + // TODO: ban conversion that maybe fail + // failed cases are not handled by TiDB + //{"year", `"2019"`, "time", "00:20:19", 0}, + //{"year", `2019`, "time", "00:20:19", 0}, + //{"year", `"00"`, "time", "00:20:00", 0}, + //{"year", `"69"`, "time", "", errno.ErrTruncatedWrongValue}, + //{"year", `"70"`, "time", "", errno.ErrTruncatedWrongValue}, + //{"year", `"99"`, "time", "", errno.ErrTruncatedWrongValue}, + //{"year", `00`, "time", "00:00:00", 0}, + //{"year", `69`, "time", "", errno.ErrTruncatedWrongValue}, + //{"year", `70`, "time", "", errno.ErrTruncatedWrongValue}, + //{"year", `99`, "time", "", errno.ErrTruncatedWrongValue}, + + // year to date + {"year", `"2019"`, "date", "", errno.ErrTruncatedWrongValue}, + {"year", `2019`, "date", "", errno.ErrTruncatedWrongValue}, + {"year", `"00"`, "date", "", errno.ErrTruncatedWrongValue}, + {"year", `"69"`, "date", "", errno.ErrTruncatedWrongValue}, + {"year", `"70"`, "date", "", errno.ErrTruncatedWrongValue}, + {"year", `"99"`, "date", "", errno.ErrTruncatedWrongValue}, + {"year", `00`, "date", "", errno.ErrTruncatedWrongValue}, + {"year", `69`, "date", "", errno.ErrTruncatedWrongValue}, + {"year", `70`, "date", "", errno.ErrTruncatedWrongValue}, + {"year", `99`, "date", "", errno.ErrTruncatedWrongValue}, + + // year to datetime + {"year", `"2019"`, "datetime", "", errno.ErrTruncatedWrongValue}, + {"year", `2019`, "datetime", "", errno.ErrTruncatedWrongValue}, + {"year", `"00"`, "datetime", "", errno.ErrTruncatedWrongValue}, + {"year", `"69"`, "datetime", "", errno.ErrTruncatedWrongValue}, + {"year", `"70"`, "datetime", "", errno.ErrTruncatedWrongValue}, + {"year", `"99"`, "datetime", "", errno.ErrTruncatedWrongValue}, + {"year", `00`, "datetime", "", errno.ErrTruncatedWrongValue}, + {"year", `69`, "datetime", "", errno.ErrTruncatedWrongValue}, + {"year", `70`, "datetime", "", errno.ErrTruncatedWrongValue}, + {"year", `99`, "datetime", "", errno.ErrTruncatedWrongValue}, + + // year to timestamp + {"year", `"2019"`, "timestamp", "", errno.ErrTruncatedWrongValue}, + {"year", `2019`, "timestamp", "", errno.ErrTruncatedWrongValue}, + {"year", `"00"`, "timestamp", "", errno.ErrTruncatedWrongValue}, + {"year", `"69"`, "timestamp", "", errno.ErrTruncatedWrongValue}, + {"year", `"70"`, "timestamp", "", errno.ErrTruncatedWrongValue}, + {"year", `"99"`, "timestamp", "", errno.ErrTruncatedWrongValue}, + {"year", `00`, "timestamp", "", errno.ErrTruncatedWrongValue}, + {"year", `69`, "timestamp", "", errno.ErrTruncatedWrongValue}, + {"year", `70`, "timestamp", "", errno.ErrTruncatedWrongValue}, + {"year", `99`, "timestamp", "", errno.ErrTruncatedWrongValue}, + } + + for _, t := range tests { + tk.MustExec("drop table if exists t_mc") + tk.MustExec(fmt.Sprintf("create table t_mc(a %s)", t.from)) + tk.MustExec(fmt.Sprintf(`insert into t_mc (a) values (%s)`, t.value)) + _, err := tk.Exec(fmt.Sprintf(`alter table t_mc modify a %s`, t.to)) + if t.err != 0 { + c.Assert(err, NotNil, Commentf("%+v", t)) + c.Assert(err, ErrorMatches, fmt.Sprintf(".*[ddl:%d].*", t.err), Commentf("%+v", t)) + continue + } + c.Assert(err, IsNil, Commentf("%+v", t)) + + rs, err := tk.Exec("select a from t_mc") + c.Assert(err, IsNil, Commentf("%+v", t)) + + tk.ResultSetToResult(rs, Commentf("%+v", t)).Check(testkit.Rows(t.expect)) + } +} + func (s *testSerialDBSuite) TestSetTableFlashReplica(c *C) { c.Assert(failpoint.Enable("github.com/pingcap/tidb/infoschema/mockTiFlashStoreCount", `return(true)`), IsNil) diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 8e79ab790ad13..193c63d73932f 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -3336,14 +3336,16 @@ func checkModifyCharsetAndCollation(toCharset, toCollate, origCharset, origColla // field length and precision. func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (allowedChangeColumnValueMsg string, err error) { unsupportedMsg := fmt.Sprintf("type %v not match origin %v", to.CompactStr(), origin.CompactStr()) - var canChange bool + var skipSignCheck bool + var skipLenCheck bool switch origin.Tp { case mysql.TypeVarchar, mysql.TypeString, mysql.TypeVarString, mysql.TypeBlob, mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob: switch to.Tp { case mysql.TypeVarchar, mysql.TypeString, mysql.TypeVarString, mysql.TypeBlob, mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob: - canChange = true + skipSignCheck = true + skipLenCheck = true case mysql.TypeEnum, mysql.TypeSet: return unsupportedMsg, errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) default: @@ -3352,7 +3354,8 @@ func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (al case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: switch to.Tp { case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: - canChange = true + skipSignCheck = true + skipLenCheck = true default: return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) } @@ -3395,6 +3398,50 @@ func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (al msg := fmt.Sprintf("decimal change from decimal(%d, %d) to decimal(%d, %d)", origin.Flen, origin.Decimal, to.Flen, to.Decimal) return msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) } + case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeTimestamp, mysql.TypeDuration, mysql.TypeYear: + switch origin.Tp { + case mysql.TypeDuration: + switch to.Tp { + case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeTimestamp: + return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) + } + case mysql.TypeDate: + switch to.Tp { + case mysql.TypeDatetime, mysql.TypeTimestamp: + return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) + } + case mysql.TypeTimestamp: + switch to.Tp { + case mysql.TypeDuration, mysql.TypeDatetime: + return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) + } + case mysql.TypeDatetime: + switch to.Tp { + case mysql.TypeTimestamp: + return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) + } + case mysql.TypeYear: + switch to.Tp { + case mysql.TypeDuration: + return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) + case mysql.TypeYear: + default: + return "", ErrTruncatedWrongValue.GenWithStack("banned conversion that must fail") + } + } + switch to.Tp { + case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeTimestamp, mysql.TypeDuration: + skipSignCheck = true + skipLenCheck = true + case mysql.TypeYear: + if origin.Tp != mysql.TypeYear { + return "", ErrWarnDataOutOfRange.GenWithStack("banned conversion that must fail") + } + skipSignCheck = true + skipLenCheck = true + default: + return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) + } default: if origin.Tp != to.Tp { return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) @@ -3403,7 +3450,7 @@ func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (al if to.Flen > 0 && to.Flen < origin.Flen { msg := fmt.Sprintf("length %d is less than origin %d", to.Flen, origin.Flen) - if canChange { + if skipLenCheck { return msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) } return "", errUnsupportedModifyColumn.GenWithStackByArgs(msg) @@ -3417,7 +3464,7 @@ func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (al originUnsigned := mysql.HasUnsignedFlag(origin.Flag) if originUnsigned != toUnsigned { msg := fmt.Sprintf("can't change unsigned integer to signed or vice versa") - if canChange { + if skipSignCheck { return msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) } return "", errUnsupportedModifyColumn.GenWithStackByArgs(msg) diff --git a/ddl/error.go b/ddl/error.go index 678c66acb1063..14d5cfdd8e4a4 100644 --- a/ddl/error.go +++ b/ddl/error.go @@ -250,4 +250,11 @@ var ( // ErrMultipleDefConstInListPart returns multiple definition of same constant in list partitioning. ErrMultipleDefConstInListPart = terror.ClassDDL.New(mysql.ErrMultipleDefConstInListPart, mysql.MySQLErrName[mysql.ErrMultipleDefConstInListPart]) + + // ErrTruncatedWrongValue is returned when data has been truncated during conversion. + ErrTruncatedWrongValue = terror.ClassDDL.New(mysql.ErrTruncatedWrongValue, mysql.MySQLErrName[mysql.ErrTruncatedWrongValue]) + + // ErrWarnDataOutOfRange is returned when the value in a numeric column that is outside the permissible range of the column data type. + // See https://dev.mysql.com/doc/refman/5.5/en/out-of-range-and-overflow.html for details + ErrWarnDataOutOfRange = terror.ClassDDL.New(mysql.ErrWarnDataOutOfRange, mysql.MySQLErrName[mysql.ErrWarnDataOutOfRange]) ) From b71b6323fd4d5ebabff0dfa737aaad3c1cbe797f Mon Sep 17 00:00:00 2001 From: Zejun Li Date: Wed, 21 Oct 2020 01:06:36 +0800 Subject: [PATCH 0054/1021] 2pc: fix backoffer and cancel in batchExecutor (#20542) --- store/tikv/2pc.go | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index 36ff2cdfd8c33..e6c1b9384f22c 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -1472,10 +1472,9 @@ func (batchExe *batchExecutor) process(batches []batchMutations) error { } // For prewrite, stop sending other requests after receiving first error. - backoffer := batchExe.backoffer var cancel context.CancelFunc if _, ok := batchExe.action.(actionPrewrite); ok { - backoffer, cancel = batchExe.backoffer.Fork() + batchExe.backoffer, cancel = batchExe.backoffer.Fork() defer cancel() } // concurrently do the work for each batch. @@ -1485,14 +1484,14 @@ func (batchExe *batchExecutor) process(batches []batchMutations) error { // check results for i := 0; i < len(batches); i++ { if e := <-ch; e != nil { - logutil.Logger(backoffer.ctx).Debug("2PC doActionOnBatch failed", + logutil.Logger(batchExe.backoffer.ctx).Debug("2PC doActionOnBatch failed", zap.Uint64("conn", batchExe.committer.connID), zap.Stringer("action type", batchExe.action), zap.Error(e), zap.Uint64("txnStartTS", batchExe.committer.startTS)) // Cancel other requests and return the first error. if cancel != nil { - logutil.Logger(backoffer.ctx).Debug("2PC doActionOnBatch to cancel other actions", + logutil.Logger(batchExe.backoffer.ctx).Debug("2PC doActionOnBatch to cancel other actions", zap.Uint64("conn", batchExe.committer.connID), zap.Stringer("action type", batchExe.action), zap.Uint64("txnStartTS", batchExe.committer.startTS)) From 00458d011107adb5f0b18347bbf59121df57b3a6 Mon Sep 17 00:00:00 2001 From: crazycs Date: Wed, 21 Oct 2020 12:04:27 +0800 Subject: [PATCH 0055/1021] executor: fix the issue of query slow_query return 0 rows (#20497) Signed-off-by: crazycs520 --- executor/executor_test.go | 30 ++++++++++++++++++++++++++++++ executor/slow_query.go | 23 +++++++++++------------ 2 files changed, 41 insertions(+), 12 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index 35e787bda66e5..6e0fe3951af00 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6377,6 +6377,36 @@ func (s *testSlowQuery) TestSlowQuerySensitiveQuery(c *C) { )) } +func (s *testSlowQuery) TestSlowQuery(c *C) { + tk := testkit.NewTestKit(c, s.store) + + f, err := ioutil.TempFile("", "tidb-slow-*.log") + c.Assert(err, IsNil) + f.WriteString(` +# Time: 2020-10-13T20:08:13.970563+08:00 +select * from t; +# Time: 2020-10-16T20:08:13.970563+08:00 +select * from t; +`) + f.Close() + + executor.ParseSlowLogBatchSize = 1 + originCfg := config.GetGlobalConfig() + newCfg := *originCfg + newCfg.Log.SlowQueryFile = f.Name() + config.StoreGlobalConfig(&newCfg) + defer func() { + executor.ParseSlowLogBatchSize = 64 + config.StoreGlobalConfig(originCfg) + os.Remove(newCfg.Log.SlowQueryFile) + }() + err = logutil.InitLogger(newCfg.Log.ToLogConfig()) + c.Assert(err, IsNil) + + tk.MustQuery("select count(*) from `information_schema`.`slow_query` where time > '2020-10-16 20:08:13' and time < '2020-10-16 21:08:13'").Check(testkit.Rows("1")) + tk.MustQuery("select count(*) from `information_schema`.`slow_query` where time > '2019-10-13 20:08:13' and time < '2020-10-16 21:08:13'").Check(testkit.Rows("2")) +} + func (s *testSerialSuite) TestKillTableReader(c *C) { var retry = "github.com/pingcap/tidb/store/tikv/mockRetrySendReqToRegion" defer func() { diff --git a/executor/slow_query.go b/executor/slow_query.go index e4cf1514bc3fd..af01a339875aa 100755 --- a/executor/slow_query.go +++ b/executor/slow_query.go @@ -48,6 +48,9 @@ import ( "go.uber.org/zap" ) +// ParseSlowLogBatchSize is the batch size of slow-log lines for a worker to parse, exported for testing. +var ParseSlowLogBatchSize = 64 + //slowQueryRetriever is used to read slow log data. type slowQueryRetriever struct { table *model.TableInfo @@ -146,13 +149,13 @@ func (e *slowQueryRetriever) getNextFile() *os.File { } func (e *slowQueryRetriever) parseDataForSlowLog(ctx context.Context, sctx sessionctx.Context) { - defer close(e.parsedSlowLogCh) file := e.getNextFile() if file == nil { + close(e.parsedSlowLogCh) return } reader := bufio.NewReader(file) - e.parseSlowLog(ctx, sctx, reader, 64) + e.parseSlowLog(ctx, sctx, reader, ParseSlowLogBatchSize) } func (e *slowQueryRetriever) dataForSlowLog(ctx context.Context) ([][]types.Datum, bool, error) { @@ -275,6 +278,7 @@ func (e *slowQueryRetriever) getBatchLog(reader *bufio.Reader, offset *offset, n } func (e *slowQueryRetriever) parseSlowLog(ctx context.Context, sctx sessionctx.Context, reader *bufio.Reader, logNum int) { + defer close(e.parsedSlowLogCh) var wg sync.WaitGroup offset := offset{offset: 0, length: 0} // To limit the num of go routine @@ -287,10 +291,13 @@ func (e *slowQueryRetriever) parseSlowLog(ctx context.Context, sctx sessionctx.C for { startTime := time.Now() log, err := e.getBatchLog(reader, &offset, logNum) - if err != nil || len(log) == 0 { + if err != nil { e.parsedSlowLogCh <- parsedSlowLog{nil, err} break } + if len(log) == 0 { + break + } if e.stats != nil { e.stats.readFile += time.Since(startTime) } @@ -300,17 +307,9 @@ func (e *slowQueryRetriever) parseSlowLog(ctx context.Context, sctx sessionctx.C go func() { defer wg.Done() result, err := e.parseLog(sctx, log, start) - if err != nil { - e.parsedSlowLogCh <- parsedSlowLog{nil, err} - } else { - e.parsedSlowLogCh <- parsedSlowLog{result, err} - } + e.parsedSlowLogCh <- parsedSlowLog{result, err} <-ch }() - // Read the next file, offset = 0 - if e.fileIdx >= len(e.files) { - break - } offset.offset = e.fileLine offset.length = 0 select { From 5738191a23d23ba43370ec6a1aa7b4ba550dda3e Mon Sep 17 00:00:00 2001 From: wjHuang Date: Wed, 21 Oct 2020 12:19:26 +0800 Subject: [PATCH 0056/1021] *: clean some stuff related to dirtyTable (#20554) Signed-off-by: wjhuang2016 --- executor/builder.go | 7 ------- table/table.go | 7 ------- util/mock/context.go | 4 ---- 3 files changed, 18 deletions(-) diff --git a/executor/builder.go b/executor/builder.go index e0ff3e1f0f2d2..b44d82d58d5c2 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -980,13 +980,6 @@ func (b *executorBuilder) buildUnionScanFromReader(reader Executor, v *plannerco switch x := reader.(type) { case *TableReaderExecutor: us.desc = x.desc - // Union scan can only be in a write transaction, so DirtyDB should has non-nil value now, thus - // GetDirtyDB() is safe here. If this table has been modified in the transaction, non-nil DirtyTable - // can be found in DirtyDB now, so GetDirtyTable is safe; if this table has not been modified in the - // transaction, empty DirtyTable would be inserted into DirtyDB, it does not matter when multiple - // goroutines write empty DirtyTable to DirtyDB for this table concurrently. Although the DirtyDB looks - // safe for data race in all the cases, the map of golang will throw panic when it's accessed in parallel. - // So we lock it when getting dirty table. us.conditions, us.conditionsWithVirCol = plannercore.SplitSelCondsWithVirtualColumn(v.Conditions) us.columns = x.columns us.table = x.table diff --git a/table/table.go b/table/table.go index 938deaa840fe6..c24ce9052120c 100644 --- a/table/table.go +++ b/table/table.go @@ -57,13 +57,6 @@ func (tp Type) IsClusterTable() bool { return tp == ClusterTable } -const ( - // DirtyTableAddRow is the constant for dirty table operation type. - DirtyTableAddRow = iota - // DirtyTableDeleteRow is the constant for dirty table operation type. - DirtyTableDeleteRow -) - var ( // ErrColumnCantNull is used for inserting null to a not null column. ErrColumnCantNull = terror.ClassTable.New(mysql.ErrBadNull, mysql.MySQLErrName[mysql.ErrBadNull]) diff --git a/util/mock/context.go b/util/mock/context.go index 43e1f4ae19558..68c8de378019e 100644 --- a/util/mock/context.go +++ b/util/mock/context.go @@ -226,10 +226,6 @@ func (c *Context) StmtGetMutation(tableID int64) *binlog.TableMutation { return nil } -// StmtAddDirtyTableOP implements the sessionctx.Context interface. -func (c *Context) StmtAddDirtyTableOP(op int, tid int64, handle kv.Handle) { -} - // AddTableLock implements the sessionctx.Context interface. func (c *Context) AddTableLock(_ []model.TableLockTpInfo) { } From 04d38f5a9f243e47eb16bc1903336f88a0173651 Mon Sep 17 00:00:00 2001 From: Xiaoguang Sun Date: Wed, 21 Oct 2020 12:40:57 +0800 Subject: [PATCH 0057/1021] server: Add table range api to http status server (#20456) Signed-off-by: Xiaoguang Sun --- server/http_handler.go | 82 +++++++++++++++++++++++++++++++++---- server/http_handler_test.go | 43 +++++++++++++++++++ server/http_status.go | 1 + 3 files changed, 119 insertions(+), 7 deletions(-) diff --git a/server/http_handler.go b/server/http_handler.go index aab0456bd71bd..8fd0d775ab774 100644 --- a/server/http_handler.go +++ b/server/http_handler.go @@ -417,6 +417,7 @@ type valueHandler struct { const ( opTableRegions = "regions" + opTableRanges = "ranges" opTableDiskUsage = "disk-usage" opTableScatter = "scatter-table" opStopTableScatter = "stop-scatter-table" @@ -521,6 +522,34 @@ type TableRegions struct { Indices []IndexRegions `json:"indices"` } +// RangeDetail contains detail information about a particular range +type RangeDetail struct { + StartKey []byte `json:"start_key"` + EndKey []byte `json:"end_key"` + StartKeyHex string `json:"start_key_hex"` + EndKeyHex string `json:"end_key_hex"` +} + +func createRangeDetail(start, end []byte) RangeDetail { + return RangeDetail{ + StartKey: start, + EndKey: end, + StartKeyHex: hex.EncodeToString(start), + EndKeyHex: hex.EncodeToString(end), + } +} + +// TableRanges is the response data for list table's ranges. +// It contains ranges list for record and indices as well as the whole table. +type TableRanges struct { + TableName string `json:"name"` + TableID int64 `json:"id"` + Range RangeDetail `json:"table"` + Record RangeDetail `json:"record"` + Index RangeDetail `json:"index"` + Indices map[string]RangeDetail `json:"indices,omitempty"` +} + // RegionMeta contains a region's peer detail type RegionMeta struct { ID uint64 `json:"region_id"` @@ -539,10 +568,9 @@ type IndexRegions struct { // RegionDetail is the response data for get region by ID // it includes indices and records detail in current region. type RegionDetail struct { - RegionID uint64 `json:"region_id"` - StartKey []byte `json:"start_key"` - EndKey []byte `json:"end_key"` - Frames []*helper.FrameItem `json:"frames"` + RangeDetail `json:",inline"` + RegionID uint64 `json:"region_id"` + Frames []*helper.FrameItem `json:"frames"` } // addTableInRange insert a table into RegionDetail @@ -968,6 +996,8 @@ func (h tableHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) { switch h.op { case opTableRegions: h.handleRegionRequest(schema, tableVal, w, req) + case opTableRanges: + h.handleRangeRequest(schema, tableVal, w, req) case opTableDiskUsage: h.handleDiskUsageRequest(tableVal, w) case opTableScatter: @@ -1223,6 +1253,45 @@ func (h tableHandler) handleRegionRequest(schema infoschema.InfoSchema, tbl tabl writeData(w, tableRegions) } +func createTableRanges(tblID int64, tblName string, indices []*model.IndexInfo) *TableRanges { + indexPrefix := tablecodec.GenTableIndexPrefix(tblID) + recordPrefix := tablecodec.GenTableRecordPrefix(tblID) + tableEnd := tablecodec.EncodeTablePrefix(tblID + 1) + ranges := &TableRanges{ + TableName: tblName, + TableID: tblID, + Range: createRangeDetail(tablecodec.EncodeTablePrefix(tblID), tableEnd), + Record: createRangeDetail(recordPrefix, tableEnd), + Index: createRangeDetail(indexPrefix, recordPrefix), + } + if len(indices) != 0 { + indexRanges := make(map[string]RangeDetail) + for _, index := range indices { + start := tablecodec.EncodeTableIndexPrefix(tblID, index.ID) + end := tablecodec.EncodeTableIndexPrefix(tblID, index.ID+1) + indexRanges[index.Name.String()] = createRangeDetail(start, end) + } + ranges.Indices = indexRanges + } + return ranges +} + +func (h tableHandler) handleRangeRequest(schema infoschema.InfoSchema, tbl table.Table, w http.ResponseWriter, req *http.Request) { + meta := tbl.Meta() + pi := meta.GetPartitionInfo() + if pi != nil { + // Partitioned table. + var data []*TableRanges + for _, def := range pi.Definitions { + data = append(data, createTableRanges(def.ID, def.Name.String(), meta.Indices)) + } + writeData(w, data) + return + } + + writeData(w, createTableRanges(meta.ID, meta.Name.String(), meta.Indices)) +} + func (h tableHandler) getRegionsByID(tbl table.Table, id int64, name string) (*TableRegions, error) { // for record startKey, endKey := tablecodec.GetTableHandleKeyRange(id) @@ -1376,9 +1445,8 @@ func (h regionHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) { // create RegionDetail from RegionFrameRange regionDetail := &RegionDetail{ - RegionID: regionID, - StartKey: region.StartKey, - EndKey: region.EndKey, + RegionID: regionID, + RangeDetail: createRangeDetail(region.StartKey, region.EndKey), } schema, err := h.schema() if err != nil { diff --git a/server/http_handler_test.go b/server/http_handler_test.go index f5dcc988893f7..00808b724cc2f 100644 --- a/server/http_handler_test.go +++ b/server/http_handler_test.go @@ -279,6 +279,25 @@ func (ts *HTTPHandlerTestSuite) TestRegionsAPIForClusterIndex(c *C) { } } +func (ts *HTTPHandlerTestSuite) TestRangesAPI(c *C) { + ts.startServer(c) + defer ts.stopServer(c) + ts.prepareData(c) + resp, err := ts.fetchStatus("/tables/tidb/t/ranges") + c.Assert(err, IsNil) + c.Assert(resp.StatusCode, Equals, http.StatusOK) + defer resp.Body.Close() + decoder := json.NewDecoder(resp.Body) + + var data TableRanges + err = decoder.Decode(&data) + c.Assert(err, IsNil) + c.Assert(data.TableName, Equals, "t") + c.Assert(len(data.Indices), Equals, 1) + _, ok := data.Indices["PRIMARY"] + c.Assert(ok, IsTrue) +} + func (ts *HTTPHandlerTestSuite) regionContainsTable(c *C, regionID uint64, tableID int64) bool { resp, err := ts.fetchStatus(fmt.Sprintf("/regions/%d", regionID)) c.Assert(err, IsNil) @@ -320,6 +339,30 @@ func (ts *HTTPHandlerTestSuite) TestListTableRegions(c *C) { c.Assert(err, IsNil) } +func (ts *HTTPHandlerTestSuite) TestListTableRanges(c *C) { + ts.startServer(c) + defer ts.stopServer(c) + ts.prepareData(c) + // Test list table regions with error + resp, err := ts.fetchStatus("/tables/fdsfds/aaa/ranges") + c.Assert(err, IsNil) + defer resp.Body.Close() + c.Assert(resp.StatusCode, Equals, http.StatusBadRequest) + + resp, err = ts.fetchStatus("/tables/tidb/pt/ranges") + c.Assert(err, IsNil) + defer resp.Body.Close() + + var data []*TableRanges + dec := json.NewDecoder(resp.Body) + err = dec.Decode(&data) + c.Assert(err, IsNil) + c.Assert(len(data), Equals, 3) + for i, partition := range data { + c.Assert(partition.TableName, Equals, fmt.Sprintf("p%d", i)) + } +} + func (ts *HTTPHandlerTestSuite) TestGetRegionByIDWithError(c *C) { ts.startServer(c) defer ts.stopServer(c) diff --git a/server/http_status.go b/server/http_status.go index 38f79eec2c30a..c8b927de7c416 100644 --- a/server/http_status.go +++ b/server/http_status.go @@ -142,6 +142,7 @@ func (s *Server) startHTTPServer() { if s.cfg.Store == "tikv" { // HTTP path for tikv. router.Handle("/tables/{db}/{table}/regions", tableHandler{tikvHandlerTool, opTableRegions}) + router.Handle("/tables/{db}/{table}/ranges", tableHandler{tikvHandlerTool, opTableRanges}) router.Handle("/tables/{db}/{table}/scatter", tableHandler{tikvHandlerTool, opTableScatter}) router.Handle("/tables/{db}/{table}/stop-scatter", tableHandler{tikvHandlerTool, opStopTableScatter}) router.Handle("/tables/{db}/{table}/disk-usage", tableHandler{tikvHandlerTool, opTableDiskUsage}) From 2f067c054255a7452e32f341b7407a4dd071fb9f Mon Sep 17 00:00:00 2001 From: Feng Liyuan Date: Wed, 21 Oct 2020 14:44:08 +0800 Subject: [PATCH 0058/1021] *: redact arguments for Error (#20436) --- config/config.go | 23 +- ddl/column_type_change_test.go | 9 +- ddl/ddl_worker.go | 3 +- ddl/error.go | 279 ++-- distsql/select_result.go | 9 +- distsql/stream.go | 3 +- domain/domain.go | 8 +- domain/infosync/info.go | 3 +- errno/errname.go | 2025 ++++++++++++------------ errno/logredaction.md | 33 + executor/adapter.go | 6 +- executor/aggfuncs/func_group_concat.go | 6 +- executor/errors.go | 52 +- executor/executor_test.go | 9 +- executor/insert.go | 2 +- executor/load_data.go | 2 +- executor/replace.go | 2 +- executor/set_test.go | 8 +- executor/simple.go | 12 +- executor/update.go | 2 +- expression/errors.go | 47 +- expression/expr_to_pb.go | 4 +- expression/scalar_function.go | 3 +- go.mod | 5 +- go.sum | 10 +- infoschema/error.go | 52 +- kv/error.go | 30 +- meta/autoid/errors.go | 14 +- meta/meta.go | 12 +- planner/core/errors.go | 124 +- plugin/errors.go | 16 +- privilege/privileges/errors.go | 8 +- server/conn.go | 6 +- server/conn_stmt.go | 5 +- server/server.go | 17 +- session/session.go | 11 +- session/session_test.go | 28 + session/tidb.go | 4 +- sessionctx/variable/error.go | 30 +- sessionctx/variable/session.go | 14 +- sessionctx/variable/sysvar.go | 4 +- sessionctx/variable/tidb_vars.go | 4 +- sessionctx/variable/varsutil_test.go | 6 + store/tikv/error.go | 36 +- structure/structure.go | 10 +- table/table.go | 40 +- tablecodec/tablecodec.go | 7 +- types/errors.go | 48 +- types/json/constants.go | 18 +- util/admin/admin.go | 12 +- util/collate/collate.go | 9 +- util/dbterror/terror.go | 56 + util/dbterror/terror_test.go | 43 + util/hint/hint_processor.go | 4 +- util/memory/action.go | 4 +- util/ranger/points.go | 4 +- util/redact/redact.go | 67 - 57 files changed, 1710 insertions(+), 1598 deletions(-) create mode 100644 errno/logredaction.md create mode 100644 util/dbterror/terror.go create mode 100644 util/dbterror/terror_test.go delete mode 100644 util/redact/redact.go diff --git a/config/config.go b/config/config.go index 3472075d69ca1..4c5cd4e1720a4 100644 --- a/config/config.go +++ b/config/config.go @@ -64,8 +64,6 @@ const ( DefStatusHost = "0.0.0.0" // DefStoreLivenessTimeout is the default value for store liveness timeout. DefStoreLivenessTimeout = "5s" - // DefTiDBRedactLog is the default value for redact log. - DefTiDBRedactLog = 0 ) // Valid config maps @@ -164,8 +162,6 @@ type Config struct { EnableGlobalIndex bool `toml:"enable-global-index" json:"enable-global-index"` // DeprecateIntegerDisplayWidth indicates whether deprecating the max display length for integer. DeprecateIntegerDisplayWidth bool `toml:"deprecate-integer-display-length" json:"deprecate-integer-display-length"` - // EnableRedactLog indicates that whether redact log, 0 is disable. 1 is enable. - EnableRedactLog int32 `toml:"enable-redact-log" json:"enable-redact-log"` } // UpdateTempStoragePath is to update the `TempStoragePath` if port/statusPort was changed @@ -759,7 +755,6 @@ var defaultConf = Config{ SpilledFileEncryptionMethod: SpilledFileEncryptionMethodPlaintext, }, DeprecateIntegerDisplayWidth: false, - EnableRedactLog: DefTiDBRedactLog, } var ( @@ -795,6 +790,7 @@ var deprecatedConfig = map[string]struct{}{ "performance.max-memory": {}, "max-txn-time-use": {}, "experimental.allow-auto-random": {}, + "enable-redact-log": {}, // use variable tidb_redact_log instead } func isAllDeprecatedConfigItems(items []string) bool { @@ -1013,23 +1009,6 @@ var TableLockDelayClean = func() uint64 { return GetGlobalConfig().DelayCleanTableLock } -// RedactLogEnabled uses to check whether enabled the log redact. -func RedactLogEnabled() bool { - return atomic.LoadInt32(&GetGlobalConfig().EnableRedactLog) == 1 -} - -// SetRedactLog uses to set log redact status. -func SetRedactLog(enable bool) { - value := int32(0) - if enable { - value = 1 - } - g := GetGlobalConfig() - newConf := *g - newConf.EnableRedactLog = value - StoreGlobalConfig(&newConf) -} - // ToLogConfig converts *Log to *logutil.LogConfig. func (l *Log) ToLogConfig() *logutil.LogConfig { return logutil.NewLogConfig(l.Level, l.Format, l.SlowQueryFile, l.File, l.getDisableTimestamp(), func(config *zaplog.Config) { config.DisableErrorVerbose = l.getDisableErrorStack() }) diff --git a/ddl/column_type_change_test.go b/ddl/column_type_change_test.go index 0fb8b91071298..cd78764d2daff 100644 --- a/ddl/column_type_change_test.go +++ b/ddl/column_type_change_test.go @@ -30,6 +30,7 @@ import ( "github.com/pingcap/tidb/store/mockstore" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/table/tables" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/testkit" ) @@ -283,8 +284,8 @@ var mockTerrorMap = make(map[string]*terror.Error) func init() { // Since terror new action will cause data race with other test suite (getTerrorCode) in parallel, we init it all here. - mockTerrorMap[model.StateNone.String()] = terror.ClassDDL.New(1, "MockRollingBackInCallBack-"+model.StateNone.String()) - mockTerrorMap[model.StateDeleteOnly.String()] = terror.ClassDDL.New(1, "MockRollingBackInCallBack-"+model.StateDeleteOnly.String()) - mockTerrorMap[model.StateWriteOnly.String()] = terror.ClassDDL.New(1, "MockRollingBackInCallBack-"+model.StateWriteOnly.String()) - mockTerrorMap[model.StateWriteReorganization.String()] = terror.ClassDDL.New(1, "MockRollingBackInCallBack-"+model.StateWriteReorganization.String()) + mockTerrorMap[model.StateNone.String()] = dbterror.ClassDDL.New(1, "MockRollingBackInCallBack-"+model.StateNone.String()) + mockTerrorMap[model.StateDeleteOnly.String()] = dbterror.ClassDDL.New(1, "MockRollingBackInCallBack-"+model.StateDeleteOnly.String()) + mockTerrorMap[model.StateWriteOnly.String()] = dbterror.ClassDDL.New(1, "MockRollingBackInCallBack-"+model.StateWriteOnly.String()) + mockTerrorMap[model.StateWriteReorganization.String()] = dbterror.ClassDDL.New(1, "MockRollingBackInCallBack-"+model.StateWriteReorganization.String()) } diff --git a/ddl/ddl_worker.go b/ddl/ddl_worker.go index dd79b95876c72..38531ea7fbc0b 100644 --- a/ddl/ddl_worker.go +++ b/ddl/ddl_worker.go @@ -34,6 +34,7 @@ import ( "github.com/pingcap/tidb/sessionctx/variable" tidbutil "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/admin" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/logutil" "go.uber.org/zap" ) @@ -737,7 +738,7 @@ func toTError(err error) *terror.Error { } // TODO: Add the error code. - return terror.ClassDDL.Synthesize(terror.CodeUnknown, err.Error()) + return dbterror.ClassDDL.Synthesize(terror.CodeUnknown, err.Error()) } // waitSchemaChanged waits for the completion of updating all servers' schema. In order to make sure that happens, diff --git a/ddl/error.go b/ddl/error.go index 14d5cfdd8e4a4..89f3a2628ebc1 100644 --- a/ddl/error.go +++ b/ddl/error.go @@ -16,245 +16,246 @@ package ddl import ( "fmt" - "github.com/pingcap/parser/terror" + parser_mysql "github.com/pingcap/parser/mysql" mysql "github.com/pingcap/tidb/errno" + "github.com/pingcap/tidb/util/dbterror" ) var ( // errWorkerClosed means we have already closed the DDL worker. - errInvalidWorker = terror.ClassDDL.New(mysql.ErrInvalidDDLWorker, mysql.MySQLErrName[mysql.ErrInvalidDDLWorker]) + errInvalidWorker = dbterror.ClassDDL.NewStd(mysql.ErrInvalidDDLWorker) // errNotOwner means we are not owner and can't handle DDL jobs. - errNotOwner = terror.ClassDDL.New(mysql.ErrNotOwner, mysql.MySQLErrName[mysql.ErrNotOwner]) - errCantDecodeRecord = terror.ClassDDL.New(mysql.ErrCantDecodeRecord, mysql.MySQLErrName[mysql.ErrCantDecodeRecord]) - errInvalidDDLJob = terror.ClassDDL.New(mysql.ErrInvalidDDLJob, mysql.MySQLErrName[mysql.ErrInvalidDDLJob]) - errCancelledDDLJob = terror.ClassDDL.New(mysql.ErrCancelledDDLJob, mysql.MySQLErrName[mysql.ErrCancelledDDLJob]) - errFileNotFound = terror.ClassDDL.New(mysql.ErrFileNotFound, mysql.MySQLErrName[mysql.ErrFileNotFound]) - errRunMultiSchemaChanges = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "multi schema change")) - errWaitReorgTimeout = terror.ClassDDL.New(mysql.ErrLockWaitTimeout, mysql.MySQLErrName[mysql.ErrWaitReorgTimeout]) - errInvalidStoreVer = terror.ClassDDL.New(mysql.ErrInvalidStoreVersion, mysql.MySQLErrName[mysql.ErrInvalidStoreVersion]) + errNotOwner = dbterror.ClassDDL.NewStd(mysql.ErrNotOwner) + errCantDecodeRecord = dbterror.ClassDDL.NewStd(mysql.ErrCantDecodeRecord) + errInvalidDDLJob = dbterror.ClassDDL.NewStd(mysql.ErrInvalidDDLJob) + errCancelledDDLJob = dbterror.ClassDDL.NewStd(mysql.ErrCancelledDDLJob) + errFileNotFound = dbterror.ClassDDL.NewStd(mysql.ErrFileNotFound) + errRunMultiSchemaChanges = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "multi schema change"), nil), "", "") + errWaitReorgTimeout = dbterror.ClassDDL.NewStdErr(mysql.ErrLockWaitTimeout, mysql.MySQLErrName[mysql.ErrWaitReorgTimeout], "", "") + errInvalidStoreVer = dbterror.ClassDDL.NewStd(mysql.ErrInvalidStoreVersion) // ErrRepairTableFail is used to repair tableInfo in repair mode. - ErrRepairTableFail = terror.ClassDDL.New(mysql.ErrRepairTable, mysql.MySQLErrName[mysql.ErrRepairTable]) + ErrRepairTableFail = dbterror.ClassDDL.NewStd(mysql.ErrRepairTable) // We don't support dropping column with index covered now. - errCantDropColWithIndex = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "drop column with index")) - errUnsupportedAddColumn = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "add column")) - errUnsupportedModifyColumn = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "modify column: %s")) - errUnsupportedModifyCharset = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "modify %s")) - errUnsupportedModifyCollation = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "modifying collation from %s to %s")) - errUnsupportedPKHandle = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "drop integer primary key")) - errUnsupportedCharset = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "charset %s and collate %s")) - errUnsupportedShardRowIDBits = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "shard_row_id_bits for table with primary key as row id")) - errUnsupportedAlterTableWithValidation = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, "ALTER TABLE WITH VALIDATION is currently unsupported") - errUnsupportedAlterTableWithoutValidation = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, "ALTER TABLE WITHOUT VALIDATION is currently unsupported") - errBlobKeyWithoutLength = terror.ClassDDL.New(mysql.ErrBlobKeyWithoutLength, mysql.MySQLErrName[mysql.ErrBlobKeyWithoutLength]) - errKeyPart0 = terror.ClassDDL.New(mysql.ErrKeyPart0, mysql.MySQLErrName[mysql.ErrKeyPart0]) - errIncorrectPrefixKey = terror.ClassDDL.New(mysql.ErrWrongSubKey, mysql.MySQLErrName[mysql.ErrWrongSubKey]) - errTooLongKey = terror.ClassDDL.New(mysql.ErrTooLongKey, mysql.MySQLErrName[mysql.ErrTooLongKey]) - errKeyColumnDoesNotExits = terror.ClassDDL.New(mysql.ErrKeyColumnDoesNotExits, mysql.MySQLErrName[mysql.ErrKeyColumnDoesNotExits]) - errUnknownTypeLength = terror.ClassDDL.New(mysql.ErrUnknownTypeLength, mysql.MySQLErrName[mysql.ErrUnknownTypeLength]) - errUnknownFractionLength = terror.ClassDDL.New(mysql.ErrUnknownFractionLength, mysql.MySQLErrName[mysql.ErrUnknownFractionLength]) - errInvalidDDLJobVersion = terror.ClassDDL.New(mysql.ErrInvalidDDLJobVersion, mysql.MySQLErrName[mysql.ErrInvalidDDLJobVersion]) - errInvalidUseOfNull = terror.ClassDDL.New(mysql.ErrInvalidUseOfNull, mysql.MySQLErrName[mysql.ErrInvalidUseOfNull]) - errTooManyFields = terror.ClassDDL.New(mysql.ErrTooManyFields, mysql.MySQLErrName[mysql.ErrTooManyFields]) - errInvalidSplitRegionRanges = terror.ClassDDL.New(mysql.ErrInvalidSplitRegionRanges, mysql.MySQLErrName[mysql.ErrInvalidSplitRegionRanges]) - errReorgPanic = terror.ClassDDL.New(mysql.ErrReorgPanic, mysql.MySQLErrName[mysql.ErrReorgPanic]) - errFkColumnCannotDrop = terror.ClassDDL.New(mysql.ErrFkColumnCannotDrop, mysql.MySQLErrName[mysql.ErrFkColumnCannotDrop]) - errFKIncompatibleColumns = terror.ClassDDL.New(mysql.ErrFKIncompatibleColumns, mysql.MySQLErrName[mysql.ErrFKIncompatibleColumns]) + errCantDropColWithIndex = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "drop column with index"), nil), "", "") + errUnsupportedAddColumn = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "add column"), nil), "", "") + errUnsupportedModifyColumn = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "modify column: %s"), nil), "", "") + errUnsupportedModifyCharset = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "modify %s"), nil), "", "") + errUnsupportedModifyCollation = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "modifying collation from %s to %s"), nil), "", "") + errUnsupportedPKHandle = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "drop integer primary key"), nil), "", "") + errUnsupportedCharset = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "charset %s and collate %s"), nil), "", "") + errUnsupportedShardRowIDBits = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "shard_row_id_bits for table with primary key as row id"), nil), "", "") + errUnsupportedAlterTableWithValidation = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message("ALTER TABLE WITH VALIDATION is currently unsupported", nil), "", "") + errUnsupportedAlterTableWithoutValidation = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message("ALTER TABLE WITHOUT VALIDATION is currently unsupported", nil), "", "") + errBlobKeyWithoutLength = dbterror.ClassDDL.NewStd(mysql.ErrBlobKeyWithoutLength) + errKeyPart0 = dbterror.ClassDDL.NewStd(mysql.ErrKeyPart0) + errIncorrectPrefixKey = dbterror.ClassDDL.NewStd(mysql.ErrWrongSubKey) + errTooLongKey = dbterror.ClassDDL.NewStd(mysql.ErrTooLongKey) + errKeyColumnDoesNotExits = dbterror.ClassDDL.NewStd(mysql.ErrKeyColumnDoesNotExits) + errUnknownTypeLength = dbterror.ClassDDL.NewStd(mysql.ErrUnknownTypeLength) + errUnknownFractionLength = dbterror.ClassDDL.NewStd(mysql.ErrUnknownFractionLength) + errInvalidDDLJobVersion = dbterror.ClassDDL.NewStd(mysql.ErrInvalidDDLJobVersion) + errInvalidUseOfNull = dbterror.ClassDDL.NewStd(mysql.ErrInvalidUseOfNull) + errTooManyFields = dbterror.ClassDDL.NewStd(mysql.ErrTooManyFields) + errInvalidSplitRegionRanges = dbterror.ClassDDL.NewStd(mysql.ErrInvalidSplitRegionRanges) + errReorgPanic = dbterror.ClassDDL.NewStd(mysql.ErrReorgPanic) + errFkColumnCannotDrop = dbterror.ClassDDL.NewStd(mysql.ErrFkColumnCannotDrop) + errFKIncompatibleColumns = dbterror.ClassDDL.NewStd(mysql.ErrFKIncompatibleColumns) - errOnlyOnRangeListPartition = terror.ClassDDL.New(mysql.ErrOnlyOnRangeListPartition, mysql.MySQLErrName[mysql.ErrOnlyOnRangeListPartition]) + errOnlyOnRangeListPartition = dbterror.ClassDDL.NewStd(mysql.ErrOnlyOnRangeListPartition) // errWrongKeyColumn is for table column cannot be indexed. - errWrongKeyColumn = terror.ClassDDL.New(mysql.ErrWrongKeyColumn, mysql.MySQLErrName[mysql.ErrWrongKeyColumn]) + errWrongKeyColumn = dbterror.ClassDDL.NewStd(mysql.ErrWrongKeyColumn) // errWrongKeyColumnFunctionalIndex is for expression cannot be indexed. - errWrongKeyColumnFunctionalIndex = terror.ClassDDL.New(mysql.ErrWrongKeyColumnFunctionalIndex, mysql.MySQLErrName[mysql.ErrWrongKeyColumnFunctionalIndex]) + errWrongKeyColumnFunctionalIndex = dbterror.ClassDDL.NewStd(mysql.ErrWrongKeyColumnFunctionalIndex) // errWrongFKOptionForGeneratedColumn is for wrong foreign key reference option on generated columns. - errWrongFKOptionForGeneratedColumn = terror.ClassDDL.New(mysql.ErrWrongFKOptionForGeneratedColumn, mysql.MySQLErrName[mysql.ErrWrongFKOptionForGeneratedColumn]) + errWrongFKOptionForGeneratedColumn = dbterror.ClassDDL.NewStd(mysql.ErrWrongFKOptionForGeneratedColumn) // ErrUnsupportedOnGeneratedColumn is for unsupported actions on generated columns. - ErrUnsupportedOnGeneratedColumn = terror.ClassDDL.New(mysql.ErrUnsupportedOnGeneratedColumn, mysql.MySQLErrName[mysql.ErrUnsupportedOnGeneratedColumn]) + ErrUnsupportedOnGeneratedColumn = dbterror.ClassDDL.NewStd(mysql.ErrUnsupportedOnGeneratedColumn) // errGeneratedColumnNonPrior forbids to refer generated column non prior to it. - errGeneratedColumnNonPrior = terror.ClassDDL.New(mysql.ErrGeneratedColumnNonPrior, mysql.MySQLErrName[mysql.ErrGeneratedColumnNonPrior]) + errGeneratedColumnNonPrior = dbterror.ClassDDL.NewStd(mysql.ErrGeneratedColumnNonPrior) // errDependentByGeneratedColumn forbids to delete columns which are dependent by generated columns. - errDependentByGeneratedColumn = terror.ClassDDL.New(mysql.ErrDependentByGeneratedColumn, mysql.MySQLErrName[mysql.ErrDependentByGeneratedColumn]) + errDependentByGeneratedColumn = dbterror.ClassDDL.NewStd(mysql.ErrDependentByGeneratedColumn) // errJSONUsedAsKey forbids to use JSON as key or index. - errJSONUsedAsKey = terror.ClassDDL.New(mysql.ErrJSONUsedAsKey, mysql.MySQLErrName[mysql.ErrJSONUsedAsKey]) + errJSONUsedAsKey = dbterror.ClassDDL.NewStd(mysql.ErrJSONUsedAsKey) // errBlobCantHaveDefault forbids to give not null default value to TEXT/BLOB/JSON. - errBlobCantHaveDefault = terror.ClassDDL.New(mysql.ErrBlobCantHaveDefault, mysql.MySQLErrName[mysql.ErrBlobCantHaveDefault]) - errTooLongIndexComment = terror.ClassDDL.New(mysql.ErrTooLongIndexComment, mysql.MySQLErrName[mysql.ErrTooLongIndexComment]) + errBlobCantHaveDefault = dbterror.ClassDDL.NewStd(mysql.ErrBlobCantHaveDefault) + errTooLongIndexComment = dbterror.ClassDDL.NewStd(mysql.ErrTooLongIndexComment) // ErrInvalidDefaultValue returns for invalid default value for columns. - ErrInvalidDefaultValue = terror.ClassDDL.New(mysql.ErrInvalidDefault, mysql.MySQLErrName[mysql.ErrInvalidDefault]) + ErrInvalidDefaultValue = dbterror.ClassDDL.NewStd(mysql.ErrInvalidDefault) // ErrGeneratedColumnRefAutoInc forbids to refer generated columns to auto-increment columns . - ErrGeneratedColumnRefAutoInc = terror.ClassDDL.New(mysql.ErrGeneratedColumnRefAutoInc, mysql.MySQLErrName[mysql.ErrGeneratedColumnRefAutoInc]) + ErrGeneratedColumnRefAutoInc = dbterror.ClassDDL.NewStd(mysql.ErrGeneratedColumnRefAutoInc) // ErrExpressionIndexCanNotRefer forbids to refer expression index to auto-increment column. - ErrExpressionIndexCanNotRefer = terror.ClassDDL.New(mysql.ErrFunctionalIndexRefAutoIncrement, mysql.MySQLErrName[mysql.ErrFunctionalIndexRefAutoIncrement]) + ErrExpressionIndexCanNotRefer = dbterror.ClassDDL.NewStd(mysql.ErrFunctionalIndexRefAutoIncrement) // ErrUnsupportedAddPartition returns for does not support add partitions. - ErrUnsupportedAddPartition = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "add partitions")) + ErrUnsupportedAddPartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "add partitions"), nil), "", "") // ErrUnsupportedCoalescePartition returns for does not support coalesce partitions. - ErrUnsupportedCoalescePartition = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "coalesce partitions")) - errUnsupportedReorganizePartition = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "reorganize partition")) - errUnsupportedCheckPartition = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "check partition")) - errUnsupportedOptimizePartition = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "optimize partition")) - errUnsupportedRebuildPartition = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "rebuild partition")) - errUnsupportedRemovePartition = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "remove partitioning")) - errUnsupportedRepairPartition = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "repair partition")) - errUnsupportedExchangePartition = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "exchange partition")) + ErrUnsupportedCoalescePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "coalesce partitions"), nil), "", "") + errUnsupportedReorganizePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "reorganize partition"), nil), "", "") + errUnsupportedCheckPartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "check partition"), nil), "", "") + errUnsupportedOptimizePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "optimize partition"), nil), "", "") + errUnsupportedRebuildPartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "rebuild partition"), nil), "", "") + errUnsupportedRemovePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "remove partitioning"), nil), "", "") + errUnsupportedRepairPartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "repair partition"), nil), "", "") + errUnsupportedExchangePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "exchange partition"), nil), "", "") // ErrGeneratedColumnFunctionIsNotAllowed returns for unsupported functions for generated columns. - ErrGeneratedColumnFunctionIsNotAllowed = terror.ClassDDL.New(mysql.ErrGeneratedColumnFunctionIsNotAllowed, mysql.MySQLErrName[mysql.ErrGeneratedColumnFunctionIsNotAllowed]) + ErrGeneratedColumnFunctionIsNotAllowed = dbterror.ClassDDL.NewStd(mysql.ErrGeneratedColumnFunctionIsNotAllowed) // ErrGeneratedColumnRowValueIsNotAllowed returns for generated columns referring to row values. - ErrGeneratedColumnRowValueIsNotAllowed = terror.ClassDDL.New(mysql.ErrGeneratedColumnRowValueIsNotAllowed, mysql.MySQLErrName[mysql.ErrGeneratedColumnRowValueIsNotAllowed]) + ErrGeneratedColumnRowValueIsNotAllowed = dbterror.ClassDDL.NewStd(mysql.ErrGeneratedColumnRowValueIsNotAllowed) // ErrUnsupportedPartitionByRangeColumns returns for does unsupported partition by range columns. - ErrUnsupportedPartitionByRangeColumns = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "partition by range columns")) + ErrUnsupportedPartitionByRangeColumns = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "partition by range columns"), nil), "", "") // ErrFunctionalIndexFunctionIsNotAllowed returns for unsupported functions for functional index. - ErrFunctionalIndexFunctionIsNotAllowed = terror.ClassDDL.New(mysql.ErrFunctionalIndexFunctionIsNotAllowed, mysql.MySQLErrName[mysql.ErrFunctionalIndexFunctionIsNotAllowed]) + ErrFunctionalIndexFunctionIsNotAllowed = dbterror.ClassDDL.NewStd(mysql.ErrFunctionalIndexFunctionIsNotAllowed) // ErrFunctionalIndexRowValueIsNotAllowed returns for functional index referring to row values. - ErrFunctionalIndexRowValueIsNotAllowed = terror.ClassDDL.New(mysql.ErrFunctionalIndexRowValueIsNotAllowed, mysql.MySQLErrName[mysql.ErrFunctionalIndexRowValueIsNotAllowed]) - errUnsupportedCreatePartition = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "partition type, treat as normal table")) - errTablePartitionDisabled = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, "Partitions are ignored because Table Partition is disabled, please set 'tidb_enable_table_partition' if you need to need to enable it") - errUnsupportedIndexType = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "index type")) + ErrFunctionalIndexRowValueIsNotAllowed = dbterror.ClassDDL.NewStd(mysql.ErrFunctionalIndexRowValueIsNotAllowed) + errUnsupportedCreatePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "partition type, treat as normal table"), nil), "", "") + errTablePartitionDisabled = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message("Partitions are ignored because Table Partition is disabled, please set 'tidb_enable_table_partition' if you need to need to enable it", nil), "", "") + errUnsupportedIndexType = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "index type"), nil), "", "") // ErrDupKeyName returns for duplicated key name - ErrDupKeyName = terror.ClassDDL.New(mysql.ErrDupKeyName, mysql.MySQLErrName[mysql.ErrDupKeyName]) + ErrDupKeyName = dbterror.ClassDDL.NewStd(mysql.ErrDupKeyName) // ErrInvalidDDLState returns for invalid ddl model object state. - ErrInvalidDDLState = terror.ClassDDL.New(mysql.ErrInvalidDDLState, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrInvalidDDLState])) + ErrInvalidDDLState = dbterror.ClassDDL.NewStdErr(mysql.ErrInvalidDDLState, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrInvalidDDLState].Raw), nil), "", "") // ErrUnsupportedModifyPrimaryKey returns an error when add or drop the primary key. // It's exported for testing. - ErrUnsupportedModifyPrimaryKey = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "%s primary key")) + ErrUnsupportedModifyPrimaryKey = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "%s primary key"), nil), "", "") // ErrPKIndexCantBeInvisible return an error when primary key is invisible index - ErrPKIndexCantBeInvisible = terror.ClassDDL.New(mysql.ErrPKIndexCantBeInvisible, mysql.MySQLErrName[mysql.ErrPKIndexCantBeInvisible]) + ErrPKIndexCantBeInvisible = dbterror.ClassDDL.NewStd(mysql.ErrPKIndexCantBeInvisible) // ErrColumnBadNull returns for a bad null value. - ErrColumnBadNull = terror.ClassDDL.New(mysql.ErrBadNull, mysql.MySQLErrName[mysql.ErrBadNull]) + ErrColumnBadNull = dbterror.ClassDDL.NewStd(mysql.ErrBadNull) // ErrBadField forbids to refer to unknown column. - ErrBadField = terror.ClassDDL.New(mysql.ErrBadField, mysql.MySQLErrName[mysql.ErrBadField]) + ErrBadField = dbterror.ClassDDL.NewStd(mysql.ErrBadField) // ErrCantRemoveAllFields returns for deleting all columns. - ErrCantRemoveAllFields = terror.ClassDDL.New(mysql.ErrCantRemoveAllFields, mysql.MySQLErrName[mysql.ErrCantRemoveAllFields]) + ErrCantRemoveAllFields = dbterror.ClassDDL.NewStd(mysql.ErrCantRemoveAllFields) // ErrCantDropFieldOrKey returns for dropping a non-existent field or key. - ErrCantDropFieldOrKey = terror.ClassDDL.New(mysql.ErrCantDropFieldOrKey, mysql.MySQLErrName[mysql.ErrCantDropFieldOrKey]) + ErrCantDropFieldOrKey = dbterror.ClassDDL.NewStd(mysql.ErrCantDropFieldOrKey) // ErrInvalidOnUpdate returns for invalid ON UPDATE clause. - ErrInvalidOnUpdate = terror.ClassDDL.New(mysql.ErrInvalidOnUpdate, mysql.MySQLErrName[mysql.ErrInvalidOnUpdate]) + ErrInvalidOnUpdate = dbterror.ClassDDL.NewStd(mysql.ErrInvalidOnUpdate) // ErrTooLongIdent returns for too long name of database/table/column/index. - ErrTooLongIdent = terror.ClassDDL.New(mysql.ErrTooLongIdent, mysql.MySQLErrName[mysql.ErrTooLongIdent]) + ErrTooLongIdent = dbterror.ClassDDL.NewStd(mysql.ErrTooLongIdent) // ErrWrongDBName returns for wrong database name. - ErrWrongDBName = terror.ClassDDL.New(mysql.ErrWrongDBName, mysql.MySQLErrName[mysql.ErrWrongDBName]) + ErrWrongDBName = dbterror.ClassDDL.NewStd(mysql.ErrWrongDBName) // ErrWrongTableName returns for wrong table name. - ErrWrongTableName = terror.ClassDDL.New(mysql.ErrWrongTableName, mysql.MySQLErrName[mysql.ErrWrongTableName]) + ErrWrongTableName = dbterror.ClassDDL.NewStd(mysql.ErrWrongTableName) // ErrWrongColumnName returns for wrong column name. - ErrWrongColumnName = terror.ClassDDL.New(mysql.ErrWrongColumnName, mysql.MySQLErrName[mysql.ErrWrongColumnName]) + ErrWrongColumnName = dbterror.ClassDDL.NewStd(mysql.ErrWrongColumnName) // ErrInvalidGroupFuncUse returns for using invalid group functions. - ErrInvalidGroupFuncUse = terror.ClassDDL.New(mysql.ErrInvalidGroupFuncUse, mysql.MySQLErrName[mysql.ErrInvalidGroupFuncUse]) + ErrInvalidGroupFuncUse = dbterror.ClassDDL.NewStd(mysql.ErrInvalidGroupFuncUse) // ErrTableMustHaveColumns returns for missing column when creating a table. - ErrTableMustHaveColumns = terror.ClassDDL.New(mysql.ErrTableMustHaveColumns, mysql.MySQLErrName[mysql.ErrTableMustHaveColumns]) + ErrTableMustHaveColumns = dbterror.ClassDDL.NewStd(mysql.ErrTableMustHaveColumns) // ErrWrongNameForIndex returns for wrong index name. - ErrWrongNameForIndex = terror.ClassDDL.New(mysql.ErrWrongNameForIndex, mysql.MySQLErrName[mysql.ErrWrongNameForIndex]) + ErrWrongNameForIndex = dbterror.ClassDDL.NewStd(mysql.ErrWrongNameForIndex) // ErrUnknownCharacterSet returns unknown character set. - ErrUnknownCharacterSet = terror.ClassDDL.New(mysql.ErrUnknownCharacterSet, mysql.MySQLErrName[mysql.ErrUnknownCharacterSet]) + ErrUnknownCharacterSet = dbterror.ClassDDL.NewStd(mysql.ErrUnknownCharacterSet) // ErrUnknownCollation returns unknown collation. - ErrUnknownCollation = terror.ClassDDL.New(mysql.ErrUnknownCollation, mysql.MySQLErrName[mysql.ErrUnknownCollation]) + ErrUnknownCollation = dbterror.ClassDDL.NewStd(mysql.ErrUnknownCollation) // ErrCollationCharsetMismatch returns when collation not match the charset. - ErrCollationCharsetMismatch = terror.ClassDDL.New(mysql.ErrCollationCharsetMismatch, mysql.MySQLErrName[mysql.ErrCollationCharsetMismatch]) + ErrCollationCharsetMismatch = dbterror.ClassDDL.NewStd(mysql.ErrCollationCharsetMismatch) // ErrConflictingDeclarations return conflict declarations. - ErrConflictingDeclarations = terror.ClassDDL.New(mysql.ErrConflictingDeclarations, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrConflictingDeclarations], "CHARACTER SET ", "%s", "CHARACTER SET ", "%s")) + ErrConflictingDeclarations = dbterror.ClassDDL.NewStdErr(mysql.ErrConflictingDeclarations, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrConflictingDeclarations].Raw, "CHARACTER SET ", "%s", "CHARACTER SET ", "%s"), nil), "", "") // ErrPrimaryCantHaveNull returns All parts of a PRIMARY KEY must be NOT NULL; if you need NULL in a key, use UNIQUE instead - ErrPrimaryCantHaveNull = terror.ClassDDL.New(mysql.ErrPrimaryCantHaveNull, mysql.MySQLErrName[mysql.ErrPrimaryCantHaveNull]) + ErrPrimaryCantHaveNull = dbterror.ClassDDL.NewStd(mysql.ErrPrimaryCantHaveNull) // ErrErrorOnRename returns error for wrong database name in alter table rename - ErrErrorOnRename = terror.ClassDDL.New(mysql.ErrErrorOnRename, mysql.MySQLErrName[mysql.ErrErrorOnRename]) + ErrErrorOnRename = dbterror.ClassDDL.NewStd(mysql.ErrErrorOnRename) // ErrViewSelectClause returns error for create view with select into clause - ErrViewSelectClause = terror.ClassDDL.New(mysql.ErrViewSelectClause, mysql.MySQLErrName[mysql.ErrViewSelectClause]) + ErrViewSelectClause = dbterror.ClassDDL.NewStd(mysql.ErrViewSelectClause) // ErrNotAllowedTypeInPartition returns not allowed type error when creating table partition with unsupported expression type. - ErrNotAllowedTypeInPartition = terror.ClassDDL.New(mysql.ErrFieldTypeNotAllowedAsPartitionField, mysql.MySQLErrName[mysql.ErrFieldTypeNotAllowedAsPartitionField]) + ErrNotAllowedTypeInPartition = dbterror.ClassDDL.NewStd(mysql.ErrFieldTypeNotAllowedAsPartitionField) // ErrPartitionMgmtOnNonpartitioned returns it's not a partition table. - ErrPartitionMgmtOnNonpartitioned = terror.ClassDDL.New(mysql.ErrPartitionMgmtOnNonpartitioned, mysql.MySQLErrName[mysql.ErrPartitionMgmtOnNonpartitioned]) + ErrPartitionMgmtOnNonpartitioned = dbterror.ClassDDL.NewStd(mysql.ErrPartitionMgmtOnNonpartitioned) // ErrDropPartitionNonExistent returns error in list of partition. - ErrDropPartitionNonExistent = terror.ClassDDL.New(mysql.ErrDropPartitionNonExistent, mysql.MySQLErrName[mysql.ErrDropPartitionNonExistent]) + ErrDropPartitionNonExistent = dbterror.ClassDDL.NewStd(mysql.ErrDropPartitionNonExistent) // ErrSameNamePartition returns duplicate partition name. - ErrSameNamePartition = terror.ClassDDL.New(mysql.ErrSameNamePartition, mysql.MySQLErrName[mysql.ErrSameNamePartition]) + ErrSameNamePartition = dbterror.ClassDDL.NewStd(mysql.ErrSameNamePartition) // ErrRangeNotIncreasing returns values less than value must be strictly increasing for each partition. - ErrRangeNotIncreasing = terror.ClassDDL.New(mysql.ErrRangeNotIncreasing, mysql.MySQLErrName[mysql.ErrRangeNotIncreasing]) + ErrRangeNotIncreasing = dbterror.ClassDDL.NewStd(mysql.ErrRangeNotIncreasing) // ErrPartitionMaxvalue returns maxvalue can only be used in last partition definition. - ErrPartitionMaxvalue = terror.ClassDDL.New(mysql.ErrPartitionMaxvalue, mysql.MySQLErrName[mysql.ErrPartitionMaxvalue]) - //ErrDropLastPartition returns cannot remove all partitions, use drop table instead. - ErrDropLastPartition = terror.ClassDDL.New(mysql.ErrDropLastPartition, mysql.MySQLErrName[mysql.ErrDropLastPartition]) - //ErrTooManyPartitions returns too many partitions were defined. - ErrTooManyPartitions = terror.ClassDDL.New(mysql.ErrTooManyPartitions, mysql.MySQLErrName[mysql.ErrTooManyPartitions]) - //ErrPartitionFunctionIsNotAllowed returns this partition function is not allowed. - ErrPartitionFunctionIsNotAllowed = terror.ClassDDL.New(mysql.ErrPartitionFunctionIsNotAllowed, mysql.MySQLErrName[mysql.ErrPartitionFunctionIsNotAllowed]) + ErrPartitionMaxvalue = dbterror.ClassDDL.NewStd(mysql.ErrPartitionMaxvalue) + // ErrDropLastPartition returns cannot remove all partitions, use drop table instead. + ErrDropLastPartition = dbterror.ClassDDL.NewStd(mysql.ErrDropLastPartition) + // ErrTooManyPartitions returns too many partitions were defined. + ErrTooManyPartitions = dbterror.ClassDDL.NewStd(mysql.ErrTooManyPartitions) + // ErrPartitionFunctionIsNotAllowed returns this partition function is not allowed. + ErrPartitionFunctionIsNotAllowed = dbterror.ClassDDL.NewStd(mysql.ErrPartitionFunctionIsNotAllowed) // ErrPartitionFuncNotAllowed returns partition function returns the wrong type. - ErrPartitionFuncNotAllowed = terror.ClassDDL.New(mysql.ErrPartitionFuncNotAllowed, mysql.MySQLErrName[mysql.ErrPartitionFuncNotAllowed]) + ErrPartitionFuncNotAllowed = dbterror.ClassDDL.NewStd(mysql.ErrPartitionFuncNotAllowed) // ErrUniqueKeyNeedAllFieldsInPf returns must include all columns in the table's partitioning function. - ErrUniqueKeyNeedAllFieldsInPf = terror.ClassDDL.New(mysql.ErrUniqueKeyNeedAllFieldsInPf, mysql.MySQLErrName[mysql.ErrUniqueKeyNeedAllFieldsInPf]) - errWrongExprInPartitionFunc = terror.ClassDDL.New(mysql.ErrWrongExprInPartitionFunc, mysql.MySQLErrName[mysql.ErrWrongExprInPartitionFunc]) + ErrUniqueKeyNeedAllFieldsInPf = dbterror.ClassDDL.NewStd(mysql.ErrUniqueKeyNeedAllFieldsInPf) + errWrongExprInPartitionFunc = dbterror.ClassDDL.NewStd(mysql.ErrWrongExprInPartitionFunc) // ErrWarnDataTruncated returns data truncated error. - ErrWarnDataTruncated = terror.ClassDDL.New(mysql.WarnDataTruncated, mysql.MySQLErrName[mysql.WarnDataTruncated]) + ErrWarnDataTruncated = dbterror.ClassDDL.NewStd(mysql.WarnDataTruncated) // ErrCoalesceOnlyOnHashPartition returns coalesce partition can only be used on hash/key partitions. - ErrCoalesceOnlyOnHashPartition = terror.ClassDDL.New(mysql.ErrCoalesceOnlyOnHashPartition, mysql.MySQLErrName[mysql.ErrCoalesceOnlyOnHashPartition]) + ErrCoalesceOnlyOnHashPartition = dbterror.ClassDDL.NewStd(mysql.ErrCoalesceOnlyOnHashPartition) // ErrViewWrongList returns create view must include all columns in the select clause - ErrViewWrongList = terror.ClassDDL.New(mysql.ErrViewWrongList, mysql.MySQLErrName[mysql.ErrViewWrongList]) + ErrViewWrongList = dbterror.ClassDDL.NewStd(mysql.ErrViewWrongList) // ErrAlterOperationNotSupported returns when alter operations is not supported. - ErrAlterOperationNotSupported = terror.ClassDDL.New(mysql.ErrAlterOperationNotSupportedReason, mysql.MySQLErrName[mysql.ErrAlterOperationNotSupportedReason]) + ErrAlterOperationNotSupported = dbterror.ClassDDL.NewStd(mysql.ErrAlterOperationNotSupportedReason) // ErrWrongObject returns for wrong object. - ErrWrongObject = terror.ClassDDL.New(mysql.ErrWrongObject, mysql.MySQLErrName[mysql.ErrWrongObject]) + ErrWrongObject = dbterror.ClassDDL.NewStd(mysql.ErrWrongObject) // ErrTableCantHandleFt returns FULLTEXT keys are not supported by table type - ErrTableCantHandleFt = terror.ClassDDL.New(mysql.ErrTableCantHandleFt, mysql.MySQLErrName[mysql.ErrTableCantHandleFt]) + ErrTableCantHandleFt = dbterror.ClassDDL.NewStd(mysql.ErrTableCantHandleFt) // ErrFieldNotFoundPart returns an error when 'partition by columns' are not found in table columns. - ErrFieldNotFoundPart = terror.ClassDDL.New(mysql.ErrFieldNotFoundPart, mysql.MySQLErrName[mysql.ErrFieldNotFoundPart]) + ErrFieldNotFoundPart = dbterror.ClassDDL.NewStd(mysql.ErrFieldNotFoundPart) // ErrWrongTypeColumnValue returns 'Partition column values of incorrect type' - ErrWrongTypeColumnValue = terror.ClassDDL.New(mysql.ErrWrongTypeColumnValue, mysql.MySQLErrName[mysql.ErrWrongTypeColumnValue]) + ErrWrongTypeColumnValue = dbterror.ClassDDL.NewStd(mysql.ErrWrongTypeColumnValue) // ErrFunctionalIndexPrimaryKey returns 'The primary key cannot be a functional index' - ErrFunctionalIndexPrimaryKey = terror.ClassDDL.New(mysql.ErrFunctionalIndexPrimaryKey, mysql.MySQLErrName[mysql.ErrFunctionalIndexPrimaryKey]) + ErrFunctionalIndexPrimaryKey = dbterror.ClassDDL.NewStd(mysql.ErrFunctionalIndexPrimaryKey) // ErrFunctionalIndexOnField returns 'Functional index on a column is not supported. Consider using a regular index instead' - ErrFunctionalIndexOnField = terror.ClassDDL.New(mysql.ErrFunctionalIndexOnField, mysql.MySQLErrName[mysql.ErrFunctionalIndexOnField]) + ErrFunctionalIndexOnField = dbterror.ClassDDL.NewStd(mysql.ErrFunctionalIndexOnField) // ErrInvalidAutoRandom returns when auto_random is used incorrectly. - ErrInvalidAutoRandom = terror.ClassDDL.New(mysql.ErrInvalidAutoRandom, mysql.MySQLErrName[mysql.ErrInvalidAutoRandom]) - // ErrUnsupportedConstraintCheck returns when use ADD CONSTRAINT CHECK. - ErrUnsupportedConstraintCheck = terror.ClassDDL.New(mysql.ErrUnsupportedConstraintCheck, mysql.MySQLErrName[mysql.ErrUnsupportedConstraintCheck]) + ErrInvalidAutoRandom = dbterror.ClassDDL.NewStd(mysql.ErrInvalidAutoRandom) + // ErrUnsupportedConstraintCheck returns when use ADD CONSTRAINT CHECK + ErrUnsupportedConstraintCheck = dbterror.ClassDDL.NewStd(mysql.ErrUnsupportedConstraintCheck) // ErrDerivedMustHaveAlias returns when a sub select statement does not have a table alias. - ErrDerivedMustHaveAlias = terror.ClassDDL.New(mysql.ErrDerivedMustHaveAlias, mysql.MySQLErrName[mysql.ErrDerivedMustHaveAlias]) + ErrDerivedMustHaveAlias = dbterror.ClassDDL.NewStd(mysql.ErrDerivedMustHaveAlias) // ErrSequenceRunOut returns when the sequence has been run out. - ErrSequenceRunOut = terror.ClassDDL.New(mysql.ErrSequenceRunOut, mysql.MySQLErrName[mysql.ErrSequenceRunOut]) + ErrSequenceRunOut = dbterror.ClassDDL.NewStd(mysql.ErrSequenceRunOut) // ErrSequenceInvalidData returns when sequence values are conflicting. - ErrSequenceInvalidData = terror.ClassDDL.New(mysql.ErrSequenceInvalidData, mysql.MySQLErrName[mysql.ErrSequenceInvalidData]) + ErrSequenceInvalidData = dbterror.ClassDDL.NewStd(mysql.ErrSequenceInvalidData) // ErrSequenceAccessFail returns when sequences are not able to access. - ErrSequenceAccessFail = terror.ClassDDL.New(mysql.ErrSequenceAccessFail, mysql.MySQLErrName[mysql.ErrSequenceAccessFail]) + ErrSequenceAccessFail = dbterror.ClassDDL.NewStd(mysql.ErrSequenceAccessFail) // ErrNotSequence returns when object is not a sequence. - ErrNotSequence = terror.ClassDDL.New(mysql.ErrNotSequence, mysql.MySQLErrName[mysql.ErrNotSequence]) + ErrNotSequence = dbterror.ClassDDL.NewStd(mysql.ErrNotSequence) // ErrUnknownSequence returns when drop / alter unknown sequence. - ErrUnknownSequence = terror.ClassDDL.New(mysql.ErrUnknownSequence, mysql.MySQLErrName[mysql.ErrUnknownSequence]) + ErrUnknownSequence = dbterror.ClassDDL.NewStd(mysql.ErrUnknownSequence) // ErrSequenceUnsupportedTableOption returns when unsupported table option exists in sequence. - ErrSequenceUnsupportedTableOption = terror.ClassDDL.New(mysql.ErrSequenceUnsupportedTableOption, mysql.MySQLErrName[mysql.ErrSequenceUnsupportedTableOption]) + ErrSequenceUnsupportedTableOption = dbterror.ClassDDL.NewStd(mysql.ErrSequenceUnsupportedTableOption) // ErrColumnTypeUnsupportedNextValue is returned when sequence next value is assigned to unsupported column type. - ErrColumnTypeUnsupportedNextValue = terror.ClassDDL.New(mysql.ErrColumnTypeUnsupportedNextValue, mysql.MySQLErrName[mysql.ErrColumnTypeUnsupportedNextValue]) + ErrColumnTypeUnsupportedNextValue = dbterror.ClassDDL.NewStd(mysql.ErrColumnTypeUnsupportedNextValue) // ErrAddColumnWithSequenceAsDefault is returned when the new added column with sequence's nextval as it's default value. - ErrAddColumnWithSequenceAsDefault = terror.ClassDDL.New(mysql.ErrAddColumnWithSequenceAsDefault, mysql.MySQLErrName[mysql.ErrAddColumnWithSequenceAsDefault]) + ErrAddColumnWithSequenceAsDefault = dbterror.ClassDDL.NewStd(mysql.ErrAddColumnWithSequenceAsDefault) // ErrUnsupportedExpressionIndex is returned when create an expression index without allow-expression-index. - ErrUnsupportedExpressionIndex = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "creating expression index without allow-expression-index in config")) + ErrUnsupportedExpressionIndex = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "creating expression index without allow-expression-index in config"), nil), "", "") // ErrPartitionExchangePartTable is returned when exchange table partition with another table is partitioned. - ErrPartitionExchangePartTable = terror.ClassDDL.New(mysql.ErrPartitionExchangePartTable, mysql.MySQLErrName[mysql.ErrPartitionExchangePartTable]) + ErrPartitionExchangePartTable = dbterror.ClassDDL.NewStd(mysql.ErrPartitionExchangePartTable) // ErrTablesDifferentMetadata is returned when exchanges tables is not compatible. - ErrTablesDifferentMetadata = terror.ClassDDL.New(mysql.ErrTablesDifferentMetadata, mysql.MySQLErrName[mysql.ErrTablesDifferentMetadata]) + ErrTablesDifferentMetadata = dbterror.ClassDDL.NewStd(mysql.ErrTablesDifferentMetadata) // ErrRowDoesNotMatchPartition is returned when the row record of exchange table does not match the partition rule. - ErrRowDoesNotMatchPartition = terror.ClassDDL.New(mysql.ErrRowDoesNotMatchPartition, mysql.MySQLErrName[mysql.ErrRowDoesNotMatchPartition]) + ErrRowDoesNotMatchPartition = dbterror.ClassDDL.NewStd(mysql.ErrRowDoesNotMatchPartition) // ErrPartitionExchangeForeignKey is returned when exchanged normal table has foreign keys. - ErrPartitionExchangeForeignKey = terror.ClassDDL.New(mysql.ErrPartitionExchangeForeignKey, mysql.MySQLErrName[mysql.ErrPartitionExchangeForeignKey]) + ErrPartitionExchangeForeignKey = dbterror.ClassDDL.NewStd(mysql.ErrPartitionExchangeForeignKey) // ErrCheckNoSuchTable is returned when exchanged normal table is view or sequence. - ErrCheckNoSuchTable = terror.ClassDDL.New(mysql.ErrCheckNoSuchTable, mysql.MySQLErrName[mysql.ErrCheckNoSuchTable]) - errUnsupportedPartitionType = terror.ClassDDL.New(mysql.ErrUnsupportedDDLOperation, fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation], "partition type of table %s when exchanging partition")) + ErrCheckNoSuchTable = dbterror.ClassDDL.NewStd(mysql.ErrCheckNoSuchTable) + errUnsupportedPartitionType = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "partition type of table %s when exchanging partition"), nil), "", "") // ErrPartitionExchangeDifferentOption is returned when attribute does not match between partition table and normal table. - ErrPartitionExchangeDifferentOption = terror.ClassDDL.New(mysql.ErrPartitionExchangeDifferentOption, mysql.MySQLErrName[mysql.ErrPartitionExchangeDifferentOption]) + ErrPartitionExchangeDifferentOption = dbterror.ClassDDL.NewStd(mysql.ErrPartitionExchangeDifferentOption) // ErrTableOptionUnionUnsupported is returned when create/alter table with union option. - ErrTableOptionUnionUnsupported = terror.ClassDDL.New(mysql.ErrTableOptionUnionUnsupported, mysql.MySQLErrName[mysql.ErrTableOptionUnionUnsupported]) + ErrTableOptionUnionUnsupported = dbterror.ClassDDL.NewStd(mysql.ErrTableOptionUnionUnsupported) // ErrTableOptionInsertMethodUnsupported is returned when create/alter table with insert method option. - ErrTableOptionInsertMethodUnsupported = terror.ClassDDL.New(mysql.ErrTableOptionInsertMethodUnsupported, mysql.MySQLErrName[mysql.ErrTableOptionInsertMethodUnsupported]) + ErrTableOptionInsertMethodUnsupported = dbterror.ClassDDL.NewStd(mysql.ErrTableOptionInsertMethodUnsupported) // ErrInvalidPlacementSpec is returned when add/alter an invalid placement rule - ErrInvalidPlacementSpec = terror.ClassDDL.New(mysql.ErrInvalidPlacementSpec, mysql.MySQLErrName[mysql.ErrInvalidPlacementSpec]) + ErrInvalidPlacementSpec = dbterror.ClassDDL.NewStd(mysql.ErrInvalidPlacementSpec) // ErrMultipleDefConstInListPart returns multiple definition of same constant in list partitioning. - ErrMultipleDefConstInListPart = terror.ClassDDL.New(mysql.ErrMultipleDefConstInListPart, mysql.MySQLErrName[mysql.ErrMultipleDefConstInListPart]) + ErrMultipleDefConstInListPart = dbterror.ClassDDL.NewStd(mysql.ErrMultipleDefConstInListPart) // ErrTruncatedWrongValue is returned when data has been truncated during conversion. - ErrTruncatedWrongValue = terror.ClassDDL.New(mysql.ErrTruncatedWrongValue, mysql.MySQLErrName[mysql.ErrTruncatedWrongValue]) + ErrTruncatedWrongValue = dbterror.ClassDDL.NewStd(mysql.ErrTruncatedWrongValue) // ErrWarnDataOutOfRange is returned when the value in a numeric column that is outside the permissible range of the column data type. // See https://dev.mysql.com/doc/refman/5.5/en/out-of-range-and-overflow.html for details - ErrWarnDataOutOfRange = terror.ClassDDL.New(mysql.ErrWarnDataOutOfRange, mysql.MySQLErrName[mysql.ErrWarnDataOutOfRange]) + ErrWarnDataOutOfRange = dbterror.ClassDDL.NewStd(mysql.ErrWarnDataOutOfRange) ) diff --git a/distsql/select_result.go b/distsql/select_result.go index 41ca509559b30..bce977cf2fedb 100644 --- a/distsql/select_result.go +++ b/distsql/select_result.go @@ -34,6 +34,7 @@ import ( "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/codec" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/execdetails" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/memory" @@ -42,8 +43,10 @@ import ( ) var ( - errQueryInterrupted = terror.ClassExecutor.NewStd(errno.ErrQueryInterrupted) + errQueryInterrupted = dbterror.ClassExecutor.NewStd(errno.ErrQueryInterrupted) +) +var ( coprCacheHistogramHit = metrics.DistSQLCoprCacheHistogram.WithLabelValues("hit") coprCacheHistogramMiss = metrics.DistSQLCoprCacheHistogram.WithLabelValues("miss") ) @@ -132,7 +135,7 @@ func (r *selectResult) fetchResp(ctx context.Context) error { atomic.StoreInt64(&r.selectRespSize, respSize) r.memConsume(respSize) if err := r.selectResp.Error; err != nil { - return terror.ClassTiKV.Synthesize(terror.ErrCode(err.Code), err.Msg) + return dbterror.ClassTiKV.Synthesize(terror.ErrCode(err.Code), err.Msg) } sessVars := r.ctx.GetSessionVars() if atomic.LoadUint32(&sessVars.Killed) == 1 { @@ -140,7 +143,7 @@ func (r *selectResult) fetchResp(ctx context.Context) error { } sc := sessVars.StmtCtx for _, warning := range r.selectResp.Warnings { - sc.AppendWarning(terror.ClassTiKV.Synthesize(terror.ErrCode(warning.Code), warning.Msg)) + sc.AppendWarning(dbterror.ClassTiKV.Synthesize(terror.ErrCode(warning.Code), warning.Msg)) } if r.feedback != nil { r.feedback.Update(resultSubset.GetStartKey(), r.selectResp.OutputCounts) diff --git a/distsql/stream.go b/distsql/stream.go index f1817084cdf44..56e8b9e89b244 100644 --- a/distsql/stream.go +++ b/distsql/stream.go @@ -26,6 +26,7 @@ import ( "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/codec" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tipb/go-tipb" ) @@ -97,7 +98,7 @@ func (r *streamResult) readDataFromResponse(ctx context.Context, resp kv.Respons return false, errors.Errorf("stream response error: [%d]%s\n", stream.Error.Code, stream.Error.Msg) } for _, warning := range stream.Warnings { - r.ctx.GetSessionVars().StmtCtx.AppendWarning(terror.ClassTiKV.Synthesize(terror.ErrCode(warning.Code), warning.Msg)) + r.ctx.GetSessionVars().StmtCtx.AppendWarning(dbterror.ClassTiKV.Synthesize(terror.ErrCode(warning.Code), warning.Msg)) } err = result.Unmarshal(stream.Data) diff --git a/domain/domain.go b/domain/domain.go index 31e2ac6deef6c..07bc616025336 100644 --- a/domain/domain.go +++ b/domain/domain.go @@ -26,6 +26,7 @@ import ( "github.com/pingcap/failpoint" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/model" + "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/bindinfo" "github.com/pingcap/tidb/config" @@ -46,6 +47,7 @@ import ( "github.com/pingcap/tidb/store/tikv" "github.com/pingcap/tidb/telemetry" "github.com/pingcap/tidb/util" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/domainutil" "github.com/pingcap/tidb/util/expensivequery" "github.com/pingcap/tidb/util/logutil" @@ -1279,8 +1281,8 @@ func (do *Domain) NotifyUpdatePrivilege(ctx sessionctx.Context) { var ( // ErrInfoSchemaExpired returns the error that information schema is out of date. - ErrInfoSchemaExpired = terror.ClassDomain.New(errno.ErrInfoSchemaExpired, errno.MySQLErrName[errno.ErrInfoSchemaExpired]) + ErrInfoSchemaExpired = dbterror.ClassDomain.NewStd(errno.ErrInfoSchemaExpired) // ErrInfoSchemaChanged returns the error that information schema is changed. - ErrInfoSchemaChanged = terror.ClassDomain.New(errno.ErrInfoSchemaChanged, - errno.MySQLErrName[errno.ErrInfoSchemaChanged]+". "+kv.TxnRetryableMark) + ErrInfoSchemaChanged = dbterror.ClassDomain.NewStdErr(errno.ErrInfoSchemaChanged, + mysql.Message(errno.MySQLErrName[errno.ErrInfoSchemaChanged].Raw+". "+kv.TxnRetryableMark, nil), "", "") ) diff --git a/domain/infosync/info.go b/domain/infosync/info.go index 0660a3d583624..0d280a440d0fe 100644 --- a/domain/infosync/info.go +++ b/domain/infosync/info.go @@ -42,6 +42,7 @@ import ( "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/store/tikv/oracle" util2 "github.com/pingcap/tidb/util" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/hack" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/pdapi" @@ -79,7 +80,7 @@ const ( ) // ErrPrometheusAddrIsNotSet is the error that Prometheus address is not set in PD and etcd -var ErrPrometheusAddrIsNotSet = terror.ClassDomain.New(errno.ErrPrometheusAddrIsNotSet, errno.MySQLErrName[errno.ErrPrometheusAddrIsNotSet]) +var ErrPrometheusAddrIsNotSet = dbterror.ClassDomain.NewStd(errno.ErrPrometheusAddrIsNotSet) // errPlacementRulesDisabled is exported for internal usage, indicating PD rejected the request due to disabled placement feature. var errPlacementRulesDisabled = errors.New("placement rules feature is disabled") diff --git a/errno/errname.go b/errno/errname.go index 9aa2b9a857ae6..40da77eab7e24 100644 --- a/errno/errname.go +++ b/errno/errname.go @@ -13,1024 +13,1029 @@ package errno +import "github.com/pingcap/parser/mysql" + // MySQLErrName maps error code to MySQL error messages. -var MySQLErrName = map[uint16]string{ - ErrHashchk: "hashchk", - ErrNisamchk: "isamchk", - ErrNo: "NO", - ErrYes: "YES", - ErrCantCreateFile: "Can't create file '%-.200s' (errno: %d - %s)", - ErrCantCreateTable: "Can't create table '%-.200s' (errno: %d)", - ErrCantCreateDB: "Can't create database '%-.192s' (errno: %d)", - ErrDBCreateExists: "Can't create database '%-.192s'; database exists", - ErrDBDropExists: "Can't drop database '%-.192s'; database doesn't exist", - ErrDBDropDelete: "Error dropping database (can't delete '%-.192s', errno: %d)", - ErrDBDropRmdir: "Error dropping database (can't rmdir '%-.192s', errno: %d)", - ErrCantDeleteFile: "Error on delete of '%-.192s' (errno: %d - %s)", - ErrCantFindSystemRec: "Can't read record in system table", - ErrCantGetStat: "Can't get status of '%-.200s' (errno: %d - %s)", - ErrCantGetWd: "Can't get working directory (errno: %d - %s)", - ErrCantLock: "Can't lock file (errno: %d - %s)", - ErrCantOpenFile: "Can't open file: '%-.200s' (errno: %d - %s)", - ErrFileNotFound: "Can't find file: '%-.200s' (errno: %d - %s)", - ErrCantReadDir: "Can't read dir of '%-.192s' (errno: %d - %s)", - ErrCantSetWd: "Can't change dir to '%-.192s' (errno: %d - %s)", - ErrCheckread: "Record has changed since last read in table '%-.192s'", - ErrDiskFull: "Disk full (%s); waiting for someone to free some space... (errno: %d - %s)", - ErrDupKey: "Can't write; duplicate key in table '%-.192s'", - ErrErrorOnClose: "Error on close of '%-.192s' (errno: %d - %s)", - ErrErrorOnRead: "Error reading file '%-.200s' (errno: %d - %s)", - ErrErrorOnRename: "Error on rename of '%-.210s' to '%-.210s' (errno: %d - %s)", - ErrErrorOnWrite: "Error writing file '%-.200s' (errno: %d - %s)", - ErrFileUsed: "'%-.192s' is locked against change", - ErrFilsortAbort: "Sort aborted", - ErrFormNotFound: "View '%-.192s' doesn't exist for '%-.192s'", - ErrGetErrno: "Got error %d from storage engine", - ErrIllegalHa: "Table storage engine for '%-.192s' doesn't have this option", - ErrKeyNotFound: "Can't find record in '%-.192s'", - ErrNotFormFile: "Incorrect information in file: '%-.200s'", - ErrNotKeyFile: "Incorrect key file for table '%-.200s'; try to repair it", - ErrOldKeyFile: "Old key file for table '%-.192s'; repair it!", - ErrOpenAsReadonly: "Table '%-.192s' is read only", - ErrOutofMemory: "Out of memory; restart server and try again (needed %d bytes)", - ErrOutOfSortMemory: "Out of sort memory, consider increasing server sort buffer size", - ErrUnexpectedEOF: "Unexpected EOF found when reading file '%-.192s' (errno: %d - %s)", - ErrConCount: "Too many connections", - ErrOutOfResources: "Out of memory; check if mysqld or some other process uses all available memory; if not, you may have to use 'ulimit' to allow mysqld to use more memory or you can add more swap space", - ErrBadHost: "Can't get hostname for your address", - ErrHandshake: "Bad handshake", - ErrDBaccessDenied: "Access denied for user '%-.48s'@'%-.64s' to database '%-.192s'", - ErrAccessDenied: "Access denied for user '%-.48s'@'%-.64s' (using password: %s)", - ErrNoDB: "No database selected", - ErrUnknownCom: "Unknown command", - ErrBadNull: "Column '%-.192s' cannot be null", - ErrBadDB: "Unknown database '%-.192s'", - ErrTableExists: "Table '%-.192s' already exists", - ErrBadTable: "Unknown table '%-.100s'", - ErrNonUniq: "Column '%-.192s' in %-.192s is ambiguous", - ErrServerShutdown: "Server shutdown in progress", - ErrBadField: "Unknown column '%-.192s' in '%-.192s'", - ErrFieldNotInGroupBy: "Expression #%d of %s is not in GROUP BY clause and contains nonaggregated column '%s' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by", - ErrWrongGroupField: "Can't group on '%-.192s'", - ErrWrongSumSelect: "Statement has sum functions and columns in same statement", - ErrWrongValueCount: "Column count doesn't match value count", - ErrTooLongIdent: "Identifier name '%-.100s' is too long", - ErrDupFieldName: "Duplicate column name '%-.192s'", - ErrDupKeyName: "Duplicate key name '%-.192s'", - ErrDupEntry: "Duplicate entry '%-.64s' for key '%-.192s'", - ErrWrongFieldSpec: "Incorrect column specifier for column '%-.192s'", - ErrParse: "%s %s", - ErrEmptyQuery: "Query was empty", - ErrNonuniqTable: "Not unique table/alias: '%-.192s'", - ErrInvalidDefault: "Invalid default value for '%-.192s'", - ErrMultiplePriKey: "Multiple primary key defined", - ErrTooManyKeys: "Too many keys specified; max %d keys allowed", - ErrTooManyKeyParts: "Too many key parts specified; max %d parts allowed", - ErrTooLongKey: "Specified key was too long; max key length is %d bytes", - ErrKeyColumnDoesNotExits: "Key column '%-.192s' doesn't exist in table", - ErrBlobUsedAsKey: "BLOB column '%-.192s' can't be used in key specification with the used table type", - ErrTooBigFieldlength: "Column length too big for column '%-.192s' (max = %d); use BLOB or TEXT instead", - ErrWrongAutoKey: "Incorrect table definition; there can be only one auto column and it must be defined as a key", - ErrReady: "%s: ready for connections.\nVersion: '%s' socket: '%s' port: %d", - ErrNormalShutdown: "%s: Normal shutdown\n", - ErrGotSignal: "%s: Got signal %d. Aborting!\n", - ErrShutdownComplete: "%s: Shutdown complete\n", - ErrForcingClose: "%s: Forcing close of thread %d user: '%-.48s'\n", - ErrIpsock: "Can't create IP socket", - ErrNoSuchIndex: "Table '%-.192s' has no index like the one used in CREATE INDEX; recreate the table", - ErrWrongFieldTerminators: "Field separator argument is not what is expected; check the manual", - ErrBlobsAndNoTerminated: "You can't use fixed rowlength with BLOBs; please use 'fields terminated by'", - ErrTextFileNotReadable: "The file '%-.128s' must be in the database directory or be readable by all", - ErrFileExists: "File '%-.200s' already exists", - ErrLoadInfo: "Records: %d Deleted: %d Skipped: %d Warnings: %d", - ErrAlterInfo: "Records: %d Duplicates: %d", - ErrWrongSubKey: "Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys", - ErrCantRemoveAllFields: "You can't delete all columns with ALTER TABLE; use DROP TABLE instead", - ErrCantDropFieldOrKey: "Can't DROP '%-.192s'; check that column/key exists", - ErrInsertInfo: "Records: %d Duplicates: %d Warnings: %d", - ErrUpdateTableUsed: "You can't specify target table '%-.192s' for update in FROM clause", - ErrNoSuchThread: "Unknown thread id: %d", - ErrKillDenied: "You are not owner of thread %d", - ErrNoTablesUsed: "No tables used", - ErrTooBigSet: "Too many strings for column %-.192s and SET", - ErrNoUniqueLogFile: "Can't generate a unique log-filename %-.200s.(1-999)\n", - ErrTableNotLockedForWrite: "Table '%-.192s' was locked with a READ lock and can't be updated", - ErrTableNotLocked: "Table '%-.192s' was not locked with LOCK TABLES", - ErrBlobCantHaveDefault: "BLOB/TEXT/JSON column '%-.192s' can't have a default value", - ErrWrongDBName: "Incorrect database name '%-.100s'", - ErrWrongTableName: "Incorrect table name '%-.100s'", - ErrTooBigSelect: "The SELECT would examine more than MAXJOINSIZE rows; check your WHERE and use SET SQLBIGSELECTS=1 or SET MAXJOINSIZE=# if the SELECT is okay", - ErrUnknown: "Unknown error", - ErrUnknownProcedure: "Unknown procedure '%-.192s'", - ErrWrongParamcountToProcedure: "Incorrect parameter count to procedure '%-.192s'", - ErrWrongParametersToProcedure: "Incorrect parameters to procedure '%-.192s'", - ErrUnknownTable: "Unknown table '%-.192s' in %-.32s", - ErrFieldSpecifiedTwice: "Column '%-.192s' specified twice", - ErrInvalidGroupFuncUse: "Invalid use of group function", - ErrUnsupportedExtension: "Table '%-.192s' uses an extension that doesn't exist in this MySQL version", - ErrTableMustHaveColumns: "A table must have at least 1 column", - ErrRecordFileFull: "The table '%-.192s' is full", - ErrUnknownCharacterSet: "Unknown character set: '%-.64s'", - ErrTooManyTables: "Too many tables; MySQL can only use %d tables in a join", - ErrTooManyFields: "Too many columns", - ErrTooBigRowsize: "Row size too large. The maximum row size for the used table type, not counting BLOBs, is %d. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs", - ErrStackOverrun: "Thread stack overrun: Used: %d of a %d stack. Use 'mysqld --threadStack=#' to specify a bigger stack if needed", - ErrWrongOuterJoin: "Cross dependency found in OUTER JOIN; examine your ON conditions", - ErrNullColumnInIndex: "Table handler doesn't support NULL in given index. Please change column '%-.192s' to be NOT NULL or use another handler", - ErrCantFindUdf: "Can't load function '%-.192s'", - ErrCantInitializeUdf: "Can't initialize function '%-.192s'; %-.80s", - ErrUdfNoPaths: "No paths allowed for shared library", - ErrUdfExists: "Function '%-.192s' already exists", - ErrCantOpenLibrary: "Can't open shared library '%-.192s' (errno: %d %-.128s)", - ErrCantFindDlEntry: "Can't find symbol '%-.128s' in library", - ErrFunctionNotDefined: "Function '%-.192s' is not defined", - ErrHostIsBlocked: "Host '%-.64s' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'", - ErrHostNotPrivileged: "Host '%-.64s' is not allowed to connect to this MySQL server", - ErrPasswordAnonymousUser: "You are using MySQL as an anonymous user and anonymous users are not allowed to change passwords", - ErrPasswordNotAllowed: "You must have privileges to update tables in the mysql database to be able to change passwords for others", - ErrPasswordNoMatch: "Can't find any matching row in the user table", - ErrUpdateInfo: "Rows matched: %d Changed: %d Warnings: %d", - ErrCantCreateThread: "Can't create a new thread (errno %d); if you are not out of available memory, you can consult the manual for a possible OS-dependent bug", - ErrWrongValueCountOnRow: "Column count doesn't match value count at row %d", - ErrCantReopenTable: "Can't reopen table: '%-.192s'", - ErrInvalidUseOfNull: "Invalid use of NULL value", - ErrRegexp: "Got error '%-.64s' from regexp", - ErrMixOfGroupFuncAndFields: "Mixing of GROUP columns (MIN(),MAX(),COUNT(),...) with no GROUP columns is illegal if there is no GROUP BY clause", - ErrNonexistingGrant: "There is no such grant defined for user '%-.48s' on host '%-.64s'", - ErrTableaccessDenied: "%-.128s command denied to user '%-.48s'@'%-.64s' for table '%-.64s'", - ErrColumnaccessDenied: "%-.16s command denied to user '%-.48s'@'%-.64s' for column '%-.192s' in table '%-.192s'", - ErrIllegalGrantForTable: "Illegal GRANT/REVOKE command; please consult the manual to see which privileges can be used", - ErrGrantWrongHostOrUser: "The host or user argument to GRANT is too long", - ErrNoSuchTable: "Table '%-.192s.%-.192s' doesn't exist", - ErrNonexistingTableGrant: "There is no such grant defined for user '%-.48s' on host '%-.64s' on table '%-.192s'", - ErrNotAllowedCommand: "The used command is not allowed with this MySQL version", - ErrSyntax: "You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use", - ErrDelayedCantChangeLock: "Delayed insert thread couldn't get requested lock for table %-.192s", - ErrTooManyDelayedThreads: "Too many delayed threads in use", - ErrAbortingConnection: "Aborted connection %d to db: '%-.192s' user: '%-.48s' (%-.64s)", - ErrNetPacketTooLarge: "Got a packet bigger than 'maxAllowedPacket' bytes", - ErrNetReadErrorFromPipe: "Got a read error from the connection pipe", - ErrNetFcntl: "Got an error from fcntl()", - ErrNetPacketsOutOfOrder: "Got packets out of order", - ErrNetUncompress: "Couldn't uncompress communication packet", - ErrNetRead: "Got an error reading communication packets", - ErrNetReadInterrupted: "Got timeout reading communication packets", - ErrNetErrorOnWrite: "Got an error writing communication packets", - ErrNetWriteInterrupted: "Got timeout writing communication packets", - ErrTooLongString: "Result string is longer than 'maxAllowedPacket' bytes", - ErrTableCantHandleBlob: "The used table type doesn't support BLOB/TEXT columns", - ErrTableCantHandleAutoIncrement: "The used table type doesn't support AUTOINCREMENT columns", - ErrDelayedInsertTableLocked: "INSERT DELAYED can't be used with table '%-.192s' because it is locked with LOCK TABLES", - ErrWrongColumnName: "Incorrect column name '%-.100s'", - ErrWrongKeyColumn: "The used storage engine can't index column '%-.192s'", - ErrWrongMrgTable: "Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist", - ErrDupUnique: "Can't write, because of unique constraint, to table '%-.192s'", - ErrBlobKeyWithoutLength: "BLOB/TEXT column '%-.192s' used in key specification without a key length", - ErrPrimaryCantHaveNull: "All parts of a PRIMARY KEY must be NOT NULL; if you need NULL in a key, use UNIQUE instead", - ErrTooManyRows: "Result consisted of more than one row", - ErrRequiresPrimaryKey: "This table type requires a primary key", - ErrNoRaidCompiled: "This version of MySQL is not compiled with RAID support", - ErrUpdateWithoutKeyInSafeMode: "You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column", - ErrKeyDoesNotExist: "Key '%-.192s' doesn't exist in table '%-.192s'", - ErrCheckNoSuchTable: "Can't open table", - ErrCheckNotImplemented: "The storage engine for the table doesn't support %s", - ErrCantDoThisDuringAnTransaction: "You are not allowed to execute this command in a transaction", - ErrErrorDuringCommit: "Got error %d during COMMIT", - ErrErrorDuringRollback: "Got error %d during ROLLBACK", - ErrErrorDuringFlushLogs: "Got error %d during FLUSHLOGS", - ErrErrorDuringCheckpoint: "Got error %d during CHECKPOINT", - ErrNewAbortingConnection: "Aborted connection %d to db: '%-.192s' user: '%-.48s' host: '%-.64s' (%-.64s)", - ErrDumpNotImplemented: "The storage engine for the table does not support binary table dump", - ErrIndexRebuild: "Failed rebuilding the index of dumped table '%-.192s'", - ErrFtMatchingKeyNotFound: "Can't find FULLTEXT index matching the column list", - ErrLockOrActiveTransaction: "Can't execute the given command because you have active locked tables or an active transaction", - ErrUnknownSystemVariable: "Unknown system variable '%-.64s'", - ErrCrashedOnUsage: "Table '%-.192s' is marked as crashed and should be repaired", - ErrCrashedOnRepair: "Table '%-.192s' is marked as crashed and last (automatic?) repair failed", - ErrWarningNotCompleteRollback: "Some non-transactional changed tables couldn't be rolled back", - ErrTransCacheFull: "Multi-statement transaction required more than 'maxBinlogCacheSize' bytes of storage; increase this mysqld variable and try again", - ErrTooManyUserConnections: "User %-.64s already has more than 'maxUserConnections' active connections", - ErrSetConstantsOnly: "You may only use constant expressions with SET", - ErrLockWaitTimeout: "Lock wait timeout exceeded; try restarting transaction", - ErrLockTableFull: "The total number of locks exceeds the lock table size", - ErrReadOnlyTransaction: "Update locks cannot be acquired during a READ UNCOMMITTED transaction", - ErrDropDBWithReadLock: "DROP DATABASE not allowed while thread is holding global read lock", - ErrCreateDBWithReadLock: "CREATE DATABASE not allowed while thread is holding global read lock", - ErrWrongArguments: "Incorrect arguments to %s", - ErrNoPermissionToCreateUser: "'%-.48s'@'%-.64s' is not allowed to create new users", - ErrUnionTablesInDifferentDir: "Incorrect table definition; all MERGE tables must be in the same database", - ErrLockDeadlock: "Deadlock found when trying to get lock; try restarting transaction", - ErrTableCantHandleFt: "The used table type doesn't support FULLTEXT indexes", - ErrCannotAddForeign: "Cannot add foreign key constraint", - ErrNoReferencedRow: "Cannot add or update a child row: a foreign key constraint fails", - ErrRowIsReferenced: "Cannot delete or update a parent row: a foreign key constraint fails", - ErrErrorWhenExecutingCommand: "Error when executing command %s: %-.128s", - ErrWrongUsage: "Incorrect usage of %s and %s", - ErrWrongNumberOfColumnsInSelect: "The used SELECT statements have a different number of columns", - ErrCantUpdateWithReadlock: "Can't execute the query because you have a conflicting read lock", - ErrMixingNotAllowed: "Mixing of transactional and non-transactional tables is disabled", - ErrDupArgument: "Option '%s' used twice in statement", - ErrUserLimitReached: "User '%-.64s' has exceeded the '%s' resource (current value: %d)", - ErrSpecificAccessDenied: "Access denied; you need (at least one of) the %-.128s privilege(s) for this operation", - ErrLocalVariable: "Variable '%-.64s' is a SESSION variable and can't be used with SET GLOBAL", - ErrGlobalVariable: "Variable '%-.64s' is a GLOBAL variable and should be set with SET GLOBAL", - ErrNoDefault: "Variable '%-.64s' doesn't have a default value", - ErrWrongValueForVar: "Variable '%-.64s' can't be set to the value of '%-.200s'", - ErrWrongTypeForVar: "Incorrect argument type to variable '%-.64s'", - ErrVarCantBeRead: "Variable '%-.64s' can only be set, not read", - ErrCantUseOptionHere: "Incorrect usage/placement of '%s'", - ErrNotSupportedYet: "This version of TiDB doesn't yet support '%s'", - ErrIncorrectGlobalLocalVar: "Variable '%-.192s' is a %s variable", - ErrWrongFkDef: "Incorrect foreign key definition for '%-.192s': %s", - ErrKeyRefDoNotMatchTableRef: "Key reference and table reference don't match", - ErrOperandColumns: "Operand should contain %d column(s)", - ErrSubqueryNo1Row: "Subquery returns more than 1 row", - ErrUnknownStmtHandler: "Unknown prepared statement handler (%.*s) given to %s", - ErrCorruptHelpDB: "Help database is corrupt or does not exist", - ErrCyclicReference: "Cyclic reference on subqueries", - ErrAutoConvert: "Converting column '%s' from %s to %s", - ErrIllegalReference: "Reference '%-.64s' not supported (%s)", - ErrDerivedMustHaveAlias: "Every derived table must have its own alias", - ErrSelectReduced: "Select %d was reduced during optimization", - ErrTablenameNotAllowedHere: "Table '%s' from one of the %ss cannot be used in %s", - ErrNotSupportedAuthMode: "Client does not support authentication protocol requested by server; consider upgrading MySQL client", - ErrSpatialCantHaveNull: "All parts of a SPATIAL index must be NOT NULL", - ErrCollationCharsetMismatch: "COLLATION '%s' is not valid for CHARACTER SET '%s'", - ErrTooBigForUncompress: "Uncompressed data size too large; the maximum size is %d (probably, length of uncompressed data was corrupted)", - ErrZlibZMem: "ZLIB: Not enough memory", - ErrZlibZBuf: "ZLIB: Not enough room in the output buffer (probably, length of uncompressed data was corrupted)", - ErrZlibZData: "ZLIB: Input data corrupted", - ErrCutValueGroupConcat: "Some rows were cut by GROUPCONCAT(%s)", - ErrWarnTooFewRecords: "Row %d doesn't contain data for all columns", - ErrWarnTooManyRecords: "Row %d was truncated; it contained more data than there were input columns", - ErrWarnNullToNotnull: "Column set to default value; NULL supplied to NOT NULL column '%s' at row %d", - ErrWarnDataOutOfRange: "Out of range value for column '%s' at row %d", - WarnDataTruncated: "Data truncated for column '%s' at row %d", - ErrWarnUsingOtherHandler: "Using storage engine %s for table '%s'", - ErrCantAggregate2collations: "Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'", - ErrDropUser: "Cannot drop one or more of the requested users", - ErrRevokeGrants: "Can't revoke all privileges for one or more of the requested users", - ErrCantAggregate3collations: "Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'", - ErrCantAggregateNcollations: "Illegal mix of collations for operation '%s'", - ErrVariableIsNotStruct: "Variable '%-.64s' is not a variable component (can't be used as XXXX.variableName)", - ErrUnknownCollation: "Unknown collation: '%-.64s'", - ErrServerIsInSecureAuthMode: "Server is running in --secure-auth mode, but '%s'@'%s' has a password in the old format; please change the password to the new format", - ErrWarnFieldResolved: "Field or reference '%-.192s%s%-.192s%s%-.192s' of SELECT #%d was resolved in SELECT #%d", - ErrUntilCondIgnored: "SQL thread is not to be started so UNTIL options are ignored", - ErrWrongNameForIndex: "Incorrect index name '%-.100s'", - ErrWrongNameForCatalog: "Incorrect catalog name '%-.100s'", - ErrWarnQcResize: "Query cache failed to set size %d; new query cache size is %d", - ErrBadFtColumn: "Column '%-.192s' cannot be part of FULLTEXT index", - ErrUnknownKeyCache: "Unknown key cache '%-.100s'", - ErrWarnHostnameWontWork: "MySQL is started in --skip-name-resolve mode; you must restart it without this switch for this grant to work", - ErrUnknownStorageEngine: "Unknown storage engine '%s'", - ErrWarnDeprecatedSyntax: "'%s' is deprecated and will be removed in a future release. Please use %s instead", - ErrNonUpdatableTable: "The target table %-.100s of the %s is not updatable", - ErrFeatureDisabled: "The '%s' feature is disabled; you need MySQL built with '%s' to have it working", - ErrOptionPreventsStatement: "The MySQL server is running with the %s option so it cannot execute this statement", - ErrDuplicatedValueInType: "Column '%-.100s' has duplicated value '%-.64s' in %s", - ErrTruncatedWrongValue: "Truncated incorrect %-.64s value: '%-.128s'", - ErrTooMuchAutoTimestampCols: "Incorrect table definition; there can be only one TIMESTAMP column with CURRENTTIMESTAMP in DEFAULT or ON UPDATE clause", - ErrInvalidOnUpdate: "Invalid ON UPDATE clause for '%-.192s' column", - ErrUnsupportedPs: "This command is not supported in the prepared statement protocol yet", - ErrGetErrmsg: "Got error %d '%-.100s' from %s", - ErrGetTemporaryErrmsg: "Got temporary error %d '%-.100s' from %s", - ErrUnknownTimeZone: "Unknown or incorrect time zone: '%-.64s'", - ErrWarnInvalidTimestamp: "Invalid TIMESTAMP value in column '%s' at row %d", - ErrInvalidCharacterString: "Invalid %s character string: '%.64s'", - ErrWarnAllowedPacketOverflowed: "Result of %s() was larger than max_allowed_packet (%d) - truncated", - ErrConflictingDeclarations: "Conflicting declarations: '%s%s' and '%s%s'", - ErrSpNoRecursiveCreate: "Can't create a %s from within another stored routine", - ErrSpAlreadyExists: "%s %s already exists", - ErrSpDoesNotExist: "%s %s does not exist", - ErrSpDropFailed: "Failed to DROP %s %s", - ErrSpStoreFailed: "Failed to CREATE %s %s", - ErrSpLilabelMismatch: "%s with no matching label: %s", - ErrSpLabelRedefine: "Redefining label %s", - ErrSpLabelMismatch: "End-label %s without match", - ErrSpUninitVar: "Referring to uninitialized variable %s", - ErrSpBadselect: "PROCEDURE %s can't return a result set in the given context", - ErrSpBadreturn: "RETURN is only allowed in a FUNCTION", - ErrSpBadstatement: "%s is not allowed in stored procedures", - ErrUpdateLogDeprecatedIgnored: "The update log is deprecated and replaced by the binary log; SET SQLLOGUPDATE has been ignored.", - ErrUpdateLogDeprecatedTranslated: "The update log is deprecated and replaced by the binary log; SET SQLLOGUPDATE has been translated to SET SQLLOGBIN.", - ErrQueryInterrupted: "Query execution was interrupted", - ErrSpWrongNoOfArgs: "Incorrect number of arguments for %s %s; expected %d, got %d", - ErrSpCondMismatch: "Undefined CONDITION: %s", - ErrSpNoreturn: "No RETURN found in FUNCTION %s", - ErrSpNoreturnend: "FUNCTION %s ended without RETURN", - ErrSpBadCursorQuery: "Cursor statement must be a SELECT", - ErrSpBadCursorSelect: "Cursor SELECT must not have INTO", - ErrSpCursorMismatch: "Undefined CURSOR: %s", - ErrSpCursorAlreadyOpen: "Cursor is already open", - ErrSpCursorNotOpen: "Cursor is not open", - ErrSpUndeclaredVar: "Undeclared variable: %s", - ErrSpWrongNoOfFetchArgs: "Incorrect number of FETCH variables", - ErrSpFetchNoData: "No data - zero rows fetched, selected, or processed", - ErrSpDupParam: "Duplicate parameter: %s", - ErrSpDupVar: "Duplicate variable: %s", - ErrSpDupCond: "Duplicate condition: %s", - ErrSpDupCurs: "Duplicate cursor: %s", - ErrSpCantAlter: "Failed to ALTER %s %s", - ErrSpSubselectNyi: "Subquery value not supported", - ErrStmtNotAllowedInSfOrTrg: "%s is not allowed in stored function or trigger", - ErrSpVarcondAfterCurshndlr: "Variable or condition declaration after cursor or handler declaration", - ErrSpCursorAfterHandler: "Cursor declaration after handler declaration", - ErrSpCaseNotFound: "Case not found for CASE statement", - ErrFparserTooBigFile: "Configuration file '%-.192s' is too big", - ErrFparserBadHeader: "Malformed file type header in file '%-.192s'", - ErrFparserEOFInComment: "Unexpected end of file while parsing comment '%-.200s'", - ErrFparserErrorInParameter: "Error while parsing parameter '%-.192s' (line: '%-.192s')", - ErrFparserEOFInUnknownParameter: "Unexpected end of file while skipping unknown parameter '%-.192s'", - ErrViewNoExplain: "EXPLAIN/SHOW can not be issued; lacking privileges for underlying table", - ErrFrmUnknownType: "File '%-.192s' has unknown type '%-.64s' in its header", - ErrWrongObject: "'%-.192s.%-.192s' is not %s", - ErrNonupdateableColumn: "Column '%-.192s' is not updatable", - ErrViewSelectDerived: "View's SELECT contains a subquery in the FROM clause", - ErrViewSelectClause: "View's SELECT contains a '%s' clause", - ErrViewSelectVariable: "View's SELECT contains a variable or parameter", - ErrViewSelectTmptable: "View's SELECT refers to a temporary table '%-.192s'", - ErrViewWrongList: "View's SELECT and view's field list have different column counts", - ErrWarnViewMerge: "View merge algorithm can't be used here for now (assumed undefined algorithm)", - ErrWarnViewWithoutKey: "View being updated does not have complete key of underlying table in it", - ErrViewInvalid: "View '%-.192s.%-.192s' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them", - ErrSpNoDropSp: "Can't drop or alter a %s from within another stored routine", - ErrSpGotoInHndlr: "GOTO is not allowed in a stored procedure handler", - ErrTrgAlreadyExists: "Trigger already exists", - ErrTrgDoesNotExist: "Trigger does not exist", - ErrTrgOnViewOrTempTable: "Trigger's '%-.192s' is view or temporary table", - ErrTrgCantChangeRow: "Updating of %s row is not allowed in %strigger", - ErrTrgNoSuchRowInTrg: "There is no %s row in %s trigger", - ErrNoDefaultForField: "Field '%-.192s' doesn't have a default value", - ErrDivisionByZero: "Division by 0", - ErrTruncatedWrongValueForField: "Incorrect %-.32s value: '%-.128s' for column '%.192s' at row %d", - ErrIllegalValueForType: "Illegal %s '%-.192s' value found during parsing", - ErrViewNonupdCheck: "CHECK OPTION on non-updatable view '%-.192s.%-.192s'", - ErrViewCheckFailed: "CHECK OPTION failed '%-.192s.%-.192s'", - ErrProcaccessDenied: "%-.16s command denied to user '%-.48s'@'%-.64s' for routine '%-.192s'", - ErrRelayLogFail: "Failed purging old relay logs: %s", - ErrPasswdLength: "Password hash should be a %d-digit hexadecimal number", - ErrUnknownTargetBinlog: "Target log not found in binlog index", - ErrIoErrLogIndexRead: "I/O error reading log index file", - ErrBinlogPurgeProhibited: "Server configuration does not permit binlog purge", - ErrFseekFail: "Failed on fseek()", - ErrBinlogPurgeFatalErr: "Fatal error during log purge", - ErrLogInUse: "A purgeable log is in use, will not purge", - ErrLogPurgeUnknownErr: "Unknown error during log purge", - ErrRelayLogInit: "Failed initializing relay log position: %s", - ErrNoBinaryLogging: "You are not using binary logging", - ErrReservedSyntax: "The '%-.64s' syntax is reserved for purposes internal to the MySQL server", - ErrWsasFailed: "WSAStartup Failed", - ErrDiffGroupsProc: "Can't handle procedures with different groups yet", - ErrNoGroupForProc: "Select must have a group with this procedure", - ErrOrderWithProc: "Can't use ORDER clause with this procedure", - ErrLoggingProhibitChangingOf: "Binary logging and replication forbid changing the global server %s", - ErrNoFileMapping: "Can't map file: %-.200s, errno: %d", - ErrWrongMagic: "Wrong magic in %-.64s", - ErrPsManyParam: "Prepared statement contains too many placeholders", - ErrKeyPart0: "Key part '%-.192s' length cannot be 0", - ErrViewChecksum: "View text checksum failed", - ErrViewMultiupdate: "Can not modify more than one base table through a join view '%-.192s.%-.192s'", - ErrViewNoInsertFieldList: "Can not insert into join view '%-.192s.%-.192s' without fields list", - ErrViewDeleteMergeView: "Can not delete from join view '%-.192s.%-.192s'", - ErrCannotUser: "Operation %s failed for %.256s", - ErrXaerNota: "XAERNOTA: Unknown XID", - ErrXaerInval: "XAERINVAL: Invalid arguments (or unsupported command)", - ErrXaerRmfail: "XAERRMFAIL: The command cannot be executed when global transaction is in the %.64s state", - ErrXaerOutside: "XAEROUTSIDE: Some work is done outside global transaction", - ErrXaerRmerr: "XAERRMERR: Fatal error occurred in the transaction branch - check your data for consistency", - ErrXaRbrollback: "XARBROLLBACK: Transaction branch was rolled back", - ErrNonexistingProcGrant: "There is no such grant defined for user '%-.48s' on host '%-.64s' on routine '%-.192s'", - ErrProcAutoGrantFail: "Failed to grant EXECUTE and ALTER ROUTINE privileges", - ErrProcAutoRevokeFail: "Failed to revoke all privileges to dropped routine", - ErrDataTooLong: "Data too long for column '%s' at row %d", - ErrSpBadSQLstate: "Bad SQLSTATE: '%s'", - ErrStartup: "%s: ready for connections.\nVersion: '%s' socket: '%s' port: %d %s", - ErrLoadFromFixedSizeRowsToVar: "Can't load value from file with fixed size rows to variable", - ErrCantCreateUserWithGrant: "You are not allowed to create a user with GRANT", - ErrWrongValueForType: "Incorrect %-.32s value: '%-.128s' for function %-.32s", - ErrTableDefChanged: "Table definition has changed, please retry transaction", - ErrSpDupHandler: "Duplicate handler declared in the same block", - ErrSpNotVarArg: "OUT or INOUT argument %d for routine %s is not a variable or NEW pseudo-variable in BEFORE trigger", - ErrSpNoRetset: "Not allowed to return a result set from a %s", - ErrCantCreateGeometryObject: "Cannot get geometry object from data you send to the GEOMETRY field", - ErrFailedRoutineBreakBinlog: "A routine failed and has neither NO SQL nor READS SQL DATA in its declaration and binary logging is enabled; if non-transactional tables were updated, the binary log will miss their changes", - ErrBinlogUnsafeRoutine: "This function has none of DETERMINISTIC, NO SQL, or READS SQL DATA in its declaration and binary logging is enabled (you *might* want to use the less safe logBinTrustFunctionCreators variable)", - ErrBinlogCreateRoutineNeedSuper: "You do not have the SUPER privilege and binary logging is enabled (you *might* want to use the less safe logBinTrustFunctionCreators variable)", - ErrExecStmtWithOpenCursor: "You can't execute a prepared statement which has an open cursor associated with it. Reset the statement to re-execute it.", - ErrStmtHasNoOpenCursor: "The statement (%d) has no open cursor.", - ErrCommitNotAllowedInSfOrTrg: "Explicit or implicit commit is not allowed in stored function or trigger.", - ErrNoDefaultForViewField: "Field of view '%-.192s.%-.192s' underlying table doesn't have a default value", - ErrSpNoRecursion: "Recursive stored functions and triggers are not allowed.", - ErrTooBigScale: "Too big scale %d specified for column '%-.192s'. Maximum is %d.", - ErrTooBigPrecision: "Too big precision %d specified for column '%-.192s'. Maximum is %d.", - ErrMBiggerThanD: "For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column '%-.192s').", - ErrWrongLockOfSystemTable: "You can't combine write-locking of system tables with other tables or lock types", - ErrConnectToForeignDataSource: "Unable to connect to foreign data source: %.64s", - ErrQueryOnForeignDataSource: "There was a problem processing the query on the foreign data source. Data source : %-.64s", - ErrForeignDataSourceDoesntExist: "The foreign data source you are trying to reference does not exist. Data source : %-.64s", - ErrForeignDataStringInvalidCantCreate: "Can't create federated table. The data source connection string '%-.64s' is not in the correct format", - ErrForeignDataStringInvalid: "The data source connection string '%-.64s' is not in the correct format", - ErrCantCreateFederatedTable: "Can't create federated table. Foreign data src : %-.64s", - ErrTrgInWrongSchema: "Trigger in wrong schema", - ErrStackOverrunNeedMore: "Thread stack overrun: %d bytes used of a %d byte stack, and %d bytes needed. Use 'mysqld --threadStack=#' to specify a bigger stack.", - ErrTooLongBody: "Routine body for '%-.100s' is too long", - ErrWarnCantDropDefaultKeycache: "Cannot drop default keycache", - ErrTooBigDisplaywidth: "Display width out of range for column '%-.192s' (max = %d)", - ErrXaerDupid: "XAERDUPID: The XID already exists", - ErrDatetimeFunctionOverflow: "Datetime function: %-.32s field overflow", - ErrCantUpdateUsedTableInSfOrTrg: "Can't update table '%-.192s' in stored function/trigger because it is already used by statement which invoked this stored function/trigger.", - ErrViewPreventUpdate: "The definition of table '%-.192s' prevents operation %.192s on table '%-.192s'.", - ErrPsNoRecursion: "The prepared statement contains a stored routine call that refers to that same statement. It's not allowed to execute a prepared statement in such a recursive manner", - ErrSpCantSetAutocommit: "Not allowed to set autocommit from a stored function or trigger", - ErrMalformedDefiner: "Definer is not fully qualified", - ErrViewFrmNoUser: "View '%-.192s'.'%-.192s' has no definer information (old table format). Current user is used as definer. Please recreate the view!", - ErrViewOtherUser: "You need the SUPER privilege for creation view with '%-.192s'@'%-.192s' definer", - ErrNoSuchUser: "The user specified as a definer ('%-.64s'@'%-.64s') does not exist", - ErrForbidSchemaChange: "Changing schema from '%-.192s' to '%-.192s' is not allowed.", - ErrRowIsReferenced2: "Cannot delete or update a parent row: a foreign key constraint fails (%.192s)", - ErrNoReferencedRow2: "Cannot add or update a child row: a foreign key constraint fails (%.192s)", - ErrSpBadVarShadow: "Variable '%-.64s' must be quoted with `...`, or renamed", - ErrTrgNoDefiner: "No definer attribute for trigger '%-.192s'.'%-.192s'. The trigger will be activated under the authorization of the invoker, which may have insufficient privileges. Please recreate the trigger.", - ErrOldFileFormat: "'%-.192s' has an old format, you should re-create the '%s' object(s)", - ErrSpRecursionLimit: "Recursive limit %d (as set by the maxSpRecursionDepth variable) was exceeded for routine %.192s", - ErrSpProcTableCorrupt: "Failed to load routine %-.192s. The table mysql.proc is missing, corrupt, or contains bad data (internal code %d)", - ErrSpWrongName: "Incorrect routine name '%-.192s'", - ErrTableNeedsUpgrade: "Table upgrade required. Please do \"REPAIR TABLE `%-.32s`\"", - ErrSpNoAggregate: "AGGREGATE is not supported for stored functions", - ErrMaxPreparedStmtCountReached: "Can't create more than maxPreparedStmtCount statements (current value: %d)", - ErrViewRecursive: "`%-.192s`.`%-.192s` contains view recursion", - ErrNonGroupingFieldUsed: "Non-grouping field '%-.192s' is used in %-.64s clause", - ErrTableCantHandleSpkeys: "The used table type doesn't support SPATIAL indexes", - ErrNoTriggersOnSystemSchema: "Triggers can not be created on system tables", - ErrRemovedSpaces: "Leading spaces are removed from name '%s'", - ErrAutoincReadFailed: "Failed to read auto-increment value from storage engine", - ErrUsername: "user name", - ErrHostname: "host name", - ErrWrongStringLength: "String '%-.70s' is too long for %s (should be no longer than %d)", - ErrNonInsertableTable: "The target table %-.100s of the %s is not insertable-into", - ErrAdminWrongMrgTable: "Table '%-.64s' is differently defined or of non-MyISAM type or doesn't exist", - ErrTooHighLevelOfNestingForSelect: "Too high level of nesting for select", - ErrNameBecomesEmpty: "Name '%-.64s' has become ''", - ErrAmbiguousFieldTerm: "First character of the FIELDS TERMINATED string is ambiguous; please use non-optional and non-empty FIELDS ENCLOSED BY", - ErrForeignServerExists: "The foreign server, %s, you are trying to create already exists.", - ErrForeignServerDoesntExist: "The foreign server name you are trying to reference does not exist. Data source : %-.64s", - ErrIllegalHaCreateOption: "Table storage engine '%-.64s' does not support the create option '%.64s'", - ErrPartitionRequiresValues: "Syntax : %-.64s PARTITIONING requires definition of VALUES %-.64s for each partition", - ErrPartitionWrongValues: "Only %-.64s PARTITIONING can use VALUES %-.64s in partition definition", - ErrPartitionMaxvalue: "MAXVALUE can only be used in last partition definition", - ErrPartitionSubpartition: "Subpartitions can only be hash partitions and by key", - ErrPartitionSubpartMix: "Must define subpartitions on all partitions if on one partition", - ErrPartitionWrongNoPart: "Wrong number of partitions defined, mismatch with previous setting", - ErrPartitionWrongNoSubpart: "Wrong number of subpartitions defined, mismatch with previous setting", - ErrWrongExprInPartitionFunc: "Constant, random or timezone-dependent expressions in (sub)partitioning function are not allowed", - ErrNoConstExprInRangeOrList: "Expression in RANGE/LIST VALUES must be constant", - ErrFieldNotFoundPart: "Field in list of fields for partition function not found in table", - ErrListOfFieldsOnlyInHash: "List of fields is only allowed in KEY partitions", - ErrInconsistentPartitionInfo: "The partition info in the frm file is not consistent with what can be written into the frm file", - ErrPartitionFuncNotAllowed: "The %-.192s function returns the wrong type", - ErrPartitionsMustBeDefined: "For %-.64s partitions each partition must be defined", - ErrRangeNotIncreasing: "VALUES LESS THAN value must be strictly increasing for each partition", - ErrInconsistentTypeOfFunctions: "VALUES value must be of same type as partition function", - ErrMultipleDefConstInListPart: "Multiple definition of same constant in list partitioning", - ErrPartitionEntry: "Partitioning can not be used stand-alone in query", - ErrMixHandler: "The mix of handlers in the partitions is not allowed in this version of MySQL", - ErrPartitionNotDefined: "For the partitioned engine it is necessary to define all %-.64s", - ErrTooManyPartitions: "Too many partitions (including subpartitions) were defined", - ErrSubpartition: "It is only possible to mix RANGE/LIST partitioning with HASH/KEY partitioning for subpartitioning", - ErrCantCreateHandlerFile: "Failed to create specific handler file", - ErrBlobFieldInPartFunc: "A BLOB field is not allowed in partition function", - ErrUniqueKeyNeedAllFieldsInPf: "A %-.192s must include all columns in the table's partitioning function", - ErrNoParts: "Number of %-.64s = 0 is not an allowed value", - ErrPartitionMgmtOnNonpartitioned: "Partition management on a not partitioned table is not possible", - ErrForeignKeyOnPartitioned: "Foreign key clause is not yet supported in conjunction with partitioning", - ErrDropPartitionNonExistent: "Error in list of partitions to %-.64s", - ErrDropLastPartition: "Cannot remove all partitions, use DROP TABLE instead", - ErrCoalesceOnlyOnHashPartition: "COALESCE PARTITION can only be used on HASH/KEY partitions", - ErrReorgHashOnlyOnSameNo: "REORGANIZE PARTITION can only be used to reorganize partitions not to change their numbers", - ErrReorgNoParam: "REORGANIZE PARTITION without parameters can only be used on auto-partitioned tables using HASH PARTITIONs", - ErrOnlyOnRangeListPartition: "%-.64s PARTITION can only be used on RANGE/LIST partitions", - ErrAddPartitionSubpart: "Trying to Add partition(s) with wrong number of subpartitions", - ErrAddPartitionNoNewPartition: "At least one partition must be added", - ErrCoalescePartitionNoPartition: "At least one partition must be coalesced", - ErrReorgPartitionNotExist: "More partitions to reorganize than there are partitions", - ErrSameNamePartition: "Duplicate partition name %-.192s", - ErrNoBinlog: "It is not allowed to shut off binlog on this command", - ErrConsecutiveReorgPartitions: "When reorganizing a set of partitions they must be in consecutive order", - ErrReorgOutsideRange: "Reorganize of range partitions cannot change total ranges except for last partition where it can extend the range", - ErrPartitionFunctionFailure: "Partition function not supported in this version for this handler", - ErrPartState: "Partition state cannot be defined from CREATE/ALTER TABLE", - ErrLimitedPartRange: "The %-.64s handler only supports 32 bit integers in VALUES", - ErrPluginIsNotLoaded: "Plugin '%-.192s' is not loaded", - ErrWrongValue: "Incorrect %-.32s value: '%-.128s'", - ErrNoPartitionForGivenValue: "Table has no partition for value %-.64s", - ErrFilegroupOptionOnlyOnce: "It is not allowed to specify %s more than once", - ErrCreateFilegroupFailed: "Failed to create %s", - ErrDropFilegroupFailed: "Failed to drop %s", - ErrTablespaceAutoExtend: "The handler doesn't support autoextend of tablespaces", - ErrWrongSizeNumber: "A size parameter was incorrectly specified, either number or on the form 10M", - ErrSizeOverflow: "The size number was correct but we don't allow the digit part to be more than 2 billion", - ErrAlterFilegroupFailed: "Failed to alter: %s", - ErrBinlogRowLoggingFailed: "Writing one row to the row-based binary log failed", - ErrEventAlreadyExists: "Event '%-.192s' already exists", - ErrEventStoreFailed: "Failed to store event %s. Error code %d from storage engine.", - ErrEventDoesNotExist: "Unknown event '%-.192s'", - ErrEventCantAlter: "Failed to alter event '%-.192s'", - ErrEventDropFailed: "Failed to drop %s", - ErrEventIntervalNotPositiveOrTooBig: "INTERVAL is either not positive or too big", - ErrEventEndsBeforeStarts: "ENDS is either invalid or before STARTS", - ErrEventExecTimeInThePast: "Event execution time is in the past. Event has been disabled", - ErrEventOpenTableFailed: "Failed to open mysql.event", - ErrEventNeitherMExprNorMAt: "No datetime expression provided", - ErrObsoleteColCountDoesntMatchCorrupted: "Column count of mysql.%s is wrong. Expected %d, found %d. The table is probably corrupted", - ErrObsoleteCannotLoadFromTable: "Cannot load from mysql.%s. The table is probably corrupted", - ErrEventCannotDelete: "Failed to delete the event from mysql.event", - ErrEventCompile: "Error during compilation of event's body", - ErrEventSameName: "Same old and new event name", - ErrEventDataTooLong: "Data for column '%s' too long", - ErrDropIndexFk: "Cannot drop index '%-.192s': needed in a foreign key constraint", - ErrWarnDeprecatedSyntaxWithVer: "The syntax '%s' is deprecated and will be removed in MySQL %s. Please use %s instead", - ErrCantWriteLockLogTable: "You can't write-lock a log table. Only read access is possible", - ErrCantLockLogTable: "You can't use locks with log tables.", - ErrForeignDuplicateKeyOldUnused: "Upholding foreign key constraints for table '%.192s', entry '%-.192s', key %d would lead to a duplicate entry", - ErrColCountDoesntMatchPleaseUpdate: "Column count of mysql.%s is wrong. Expected %d, found %d. Created with MySQL %d, now running %d. Please use mysqlUpgrade to fix this error.", - ErrTempTablePreventsSwitchOutOfRbr: "Cannot switch out of the row-based binary log format when the session has open temporary tables", - ErrStoredFunctionPreventsSwitchBinlogFormat: "Cannot change the binary logging format inside a stored function or trigger", - ErrNdbCantSwitchBinlogFormat: "The NDB cluster engine does not support changing the binlog format on the fly yet", - ErrPartitionNoTemporary: "Cannot create temporary table with partitions", - ErrPartitionConstDomain: "Partition constant is out of partition function domain", - ErrPartitionFunctionIsNotAllowed: "This partition function is not allowed", - ErrDdlLog: "Error in DDL log", - ErrNullInValuesLessThan: "Not allowed to use NULL value in VALUES LESS THAN", - ErrWrongPartitionName: "Incorrect partition name", - ErrCantChangeTxCharacteristics: "Transaction characteristics can't be changed while a transaction is in progress", - ErrDupEntryAutoincrementCase: "ALTER TABLE causes autoIncrement resequencing, resulting in duplicate entry '%-.192s' for key '%-.192s'", - ErrEventModifyQueue: "Internal scheduler error %d", - ErrEventSetVar: "Error during starting/stopping of the scheduler. Error code %d", - ErrPartitionMerge: "Engine cannot be used in partitioned tables", - ErrCantActivateLog: "Cannot activate '%-.64s' log", - ErrRbrNotAvailable: "The server was not built with row-based replication", - ErrBase64Decode: "Decoding of base64 string failed", - ErrEventRecursionForbidden: "Recursion of EVENT DDL statements is forbidden when body is present", - ErrEventsDB: "Cannot proceed because system tables used by Event Scheduler were found damaged at server start", - ErrOnlyIntegersAllowed: "Only integers allowed as number here", - ErrUnsuportedLogEngine: "This storage engine cannot be used for log tables\"", - ErrBadLogStatement: "You cannot '%s' a log table if logging is enabled", - ErrCantRenameLogTable: "Cannot rename '%s'. When logging enabled, rename to/from log table must rename two tables: the log table to an archive table and another table back to '%s'", - ErrWrongParamcountToNativeFct: "Incorrect parameter count in the call to native function '%-.192s'", - ErrWrongParametersToNativeFct: "Incorrect parameters in the call to native function '%-.192s'", - ErrWrongParametersToStoredFct: "Incorrect parameters in the call to stored function '%-.192s'", - ErrNativeFctNameCollision: "This function '%-.192s' has the same name as a native function", - ErrDupEntryWithKeyName: "Duplicate entry '%-.64s' for key '%-.192s'", - ErrBinlogPurgeEmFile: "Too many files opened, please execute the command again", - ErrEventCannotCreateInThePast: "Event execution time is in the past and ON COMPLETION NOT PRESERVE is set. The event was dropped immediately after creation.", - ErrEventCannotAlterInThePast: "Event execution time is in the past and ON COMPLETION NOT PRESERVE is set. The event was not changed. Specify a time in the future.", - ErrNoPartitionForGivenValueSilent: "Table has no partition for some existing values", - ErrBinlogUnsafeStatement: "Unsafe statement written to the binary log using statement format since BINLOGFORMAT = STATEMENT. %s", - ErrBinlogLoggingImpossible: "Binary logging not possible. Message: %s", - ErrViewNoCreationCtx: "View `%-.64s`.`%-.64s` has no creation context", - ErrViewInvalidCreationCtx: "Creation context of view `%-.64s`.`%-.64s' is invalid", - ErrSrInvalidCreationCtx: "Creation context of stored routine `%-.64s`.`%-.64s` is invalid", - ErrTrgCorruptedFile: "Corrupted TRG file for table `%-.64s`.`%-.64s`", - ErrTrgNoCreationCtx: "Triggers for table `%-.64s`.`%-.64s` have no creation context", - ErrTrgInvalidCreationCtx: "Trigger creation context of table `%-.64s`.`%-.64s` is invalid", - ErrEventInvalidCreationCtx: "Creation context of event `%-.64s`.`%-.64s` is invalid", - ErrTrgCantOpenTable: "Cannot open table for trigger `%-.64s`.`%-.64s`", - ErrCantCreateSroutine: "Cannot create stored routine `%-.64s`. Check warnings", - ErrNoFormatDescriptionEventBeforeBinlogStatement: "The BINLOG statement of type `%s` was not preceded by a format description BINLOG statement.", - ErrLoadDataInvalidColumn: "Invalid column reference (%-.64s) in LOAD DATA", - ErrLogPurgeNoFile: "Being purged log %s was not found", - ErrXaRbtimeout: "XARBTIMEOUT: Transaction branch was rolled back: took too long", - ErrXaRbdeadlock: "XARBDEADLOCK: Transaction branch was rolled back: deadlock was detected", - ErrNeedReprepare: "Prepared statement needs to be re-prepared", - ErrDelayedNotSupported: "DELAYED option not supported for table '%-.192s'", - WarnOptionIgnored: "<%-.64s> option ignored", - WarnPluginDeleteBuiltin: "Built-in plugins cannot be deleted", - WarnPluginBusy: "Plugin is busy and will be uninstalled on shutdown", - ErrVariableIsReadonly: "%s variable '%s' is read-only. Use SET %s to assign the value", - ErrWarnEngineTransactionRollback: "Storage engine %s does not support rollback for this statement. Transaction rolled back and must be restarted", - ErrNdbReplicationSchema: "Bad schema for mysql.ndbReplication table. Message: %-.64s", - ErrConflictFnParse: "Error in parsing conflict function. Message: %-.64s", - ErrExceptionsWrite: "Write to exceptions table failed. Message: %-.128s\"", - ErrTooLongTableComment: "Comment for table '%-.64s' is too long (max = %d)", - ErrTooLongFieldComment: "Comment for field '%-.64s' is too long (max = %d)", - ErrFuncInexistentNameCollision: "FUNCTION %s does not exist. Check the 'Function Name Parsing and Resolution' section in the Reference Manual", - ErrDatabaseName: "Database", - ErrTableName: "Table", - ErrPartitionName: "Partition", - ErrSubpartitionName: "Subpartition", - ErrTemporaryName: "Temporary", - ErrRenamedName: "Renamed", - ErrTooManyConcurrentTrxs: "Too many active concurrent transactions", - WarnNonASCIISeparatorNotImplemented: "Non-ASCII separator arguments are not fully supported", - ErrDebugSyncTimeout: "debug sync point wait timed out", - ErrDebugSyncHitLimit: "debug sync point hit limit reached", - ErrDupSignalSet: "Duplicate condition information item '%s'", - ErrSignalWarn: "Unhandled user-defined warning condition", - ErrSignalNotFound: "Unhandled user-defined not found condition", - ErrSignalException: "Unhandled user-defined exception condition", - ErrResignalWithoutActiveHandler: "RESIGNAL when handler not active", - ErrSignalBadConditionType: "SIGNAL/RESIGNAL can only use a CONDITION defined with SQLSTATE", - WarnCondItemTruncated: "Data truncated for condition item '%s'", - ErrCondItemTooLong: "Data too long for condition item '%s'", - ErrUnknownLocale: "Unknown locale: '%-.64s'", - ErrQueryCacheDisabled: "Query cache is disabled; restart the server with queryCacheType=1 to enable it", - ErrSameNamePartitionField: "Duplicate partition field name '%-.192s'", - ErrPartitionColumnList: "Inconsistency in usage of column lists for partitioning", - ErrWrongTypeColumnValue: "Partition column values of incorrect type", - ErrTooManyPartitionFuncFields: "Too many fields in '%-.192s'", - ErrMaxvalueInValuesIn: "Cannot use MAXVALUE as value in VALUES IN", - ErrTooManyValues: "Cannot have more than one value for this type of %-.64s partitioning", - ErrRowSinglePartitionField: "Row expressions in VALUES IN only allowed for multi-field column partitioning", - ErrFieldTypeNotAllowedAsPartitionField: "Field '%-.192s' is of a not allowed type for this type of partitioning", - ErrPartitionFieldsTooLong: "The total length of the partitioning fields is too large", - ErrBinlogRowEngineAndStmtEngine: "Cannot execute statement: impossible to write to binary log since both row-incapable engines and statement-incapable engines are involved.", - ErrBinlogRowModeAndStmtEngine: "Cannot execute statement: impossible to write to binary log since BINLOGFORMAT = ROW and at least one table uses a storage engine limited to statement-based logging.", - ErrBinlogUnsafeAndStmtEngine: "Cannot execute statement: impossible to write to binary log since statement is unsafe, storage engine is limited to statement-based logging, and BINLOGFORMAT = MIXED. %s", - ErrBinlogRowInjectionAndStmtEngine: "Cannot execute statement: impossible to write to binary log since statement is in row format and at least one table uses a storage engine limited to statement-based logging.", - ErrBinlogStmtModeAndRowEngine: "Cannot execute statement: impossible to write to binary log since BINLOGFORMAT = STATEMENT and at least one table uses a storage engine limited to row-based logging.%s", - ErrBinlogRowInjectionAndStmtMode: "Cannot execute statement: impossible to write to binary log since statement is in row format and BINLOGFORMAT = STATEMENT.", - ErrBinlogMultipleEnginesAndSelfLoggingEngine: "Cannot execute statement: impossible to write to binary log since more than one engine is involved and at least one engine is self-logging.", - ErrBinlogUnsafeLimit: "The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted.", - ErrBinlogUnsafeInsertDelayed: "The statement is unsafe because it uses INSERT DELAYED. This is unsafe because the times when rows are inserted cannot be predicted.", - ErrBinlogUnsafeAutoincColumns: "Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTOINCREMENT column. Inserted values cannot be logged correctly.", - ErrBinlogUnsafeNontransAfterTrans: "Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction.", - ErrMessageAndStatement: "%s Statement: %s", - ErrInsideTransactionPreventsSwitchBinlogFormat: "Cannot modify @@session.binlogFormat inside a transaction", - ErrPathLength: "The path specified for %.64s is too long.", - ErrWarnDeprecatedSyntaxNoReplacement: "'%s' is deprecated and will be removed in a future release.", - ErrWrongNativeTableStructure: "Native table '%-.64s'.'%-.64s' has the wrong structure", - ErrWrongPerfSchemaUsage: "Invalid performanceSchema usage.", - ErrWarnISSkippedTable: "Table '%s'.'%s' was skipped since its definition is being modified by concurrent DDL statement", - ErrInsideTransactionPreventsSwitchBinlogDirect: "Cannot modify @@session.binlogDirectNonTransactionalUpdates inside a transaction", - ErrStoredFunctionPreventsSwitchBinlogDirect: "Cannot change the binlog direct flag inside a stored function or trigger", - ErrSpatialMustHaveGeomCol: "A SPATIAL index may only contain a geometrical type column", - ErrTooLongIndexComment: "Comment for index '%-.64s' is too long (max = %d)", - ErrLockAborted: "Wait on a lock was aborted due to a pending exclusive lock", - ErrDataOutOfRange: "%s value is out of range in '%s'", - ErrWrongSpvarTypeInLimit: "A variable of a non-integer based type in LIMIT clause", - ErrBinlogUnsafeMultipleEnginesAndSelfLoggingEngine: "Mixing self-logging and non-self-logging engines in a statement is unsafe.", - ErrBinlogUnsafeMixedStatement: "Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them.", - ErrInsideTransactionPreventsSwitchSQLLogBin: "Cannot modify @@session.sqlLogBin inside a transaction", - ErrStoredFunctionPreventsSwitchSQLLogBin: "Cannot change the sqlLogBin inside a stored function or trigger", - ErrFailedReadFromParFile: "Failed to read from the .par file", - ErrValuesIsNotIntType: "VALUES value for partition '%-.64s' must have type INT", - ErrAccessDeniedNoPassword: "Access denied for user '%-.48s'@'%-.64s'", - ErrSetPasswordAuthPlugin: "SET PASSWORD has no significance for users authenticating via plugins", - ErrGrantPluginUserExists: "GRANT with IDENTIFIED WITH is illegal because the user %-.*s already exists", - ErrTruncateIllegalFk: "Cannot truncate a table referenced in a foreign key constraint (%.192s)", - ErrPluginIsPermanent: "Plugin '%s' is forcePlusPermanent and can not be unloaded", - ErrStmtCacheFull: "Multi-row statements required more than 'maxBinlogStmtCacheSize' bytes of storage; increase this mysqld variable and try again", - ErrMultiUpdateKeyConflict: "Primary key/partition key update is not allowed since the table is updated both as '%-.192s' and '%-.192s'.", - ErrTableNeedsRebuild: "Table rebuild required. Please do \"ALTER TABLE `%-.32s` FORCE\" or dump/reload to fix it!", - WarnOptionBelowLimit: "The value of '%s' should be no less than the value of '%s'", - ErrIndexColumnTooLong: "Index column size too large. The maximum column size is %d bytes.", - ErrErrorInTriggerBody: "Trigger '%-.64s' has an error in its body: '%-.256s'", - ErrErrorInUnknownTriggerBody: "Unknown trigger has an error in its body: '%-.256s'", - ErrIndexCorrupt: "Index %s is corrupted", - ErrUndoRecordTooBig: "Undo log record is too big.", - ErrPluginNoUninstall: "Plugin '%s' is marked as not dynamically uninstallable. You have to stop the server to uninstall it.", - ErrPluginNoInstall: "Plugin '%s' is marked as not dynamically installable. You have to stop the server to install it.", - ErrBinlogUnsafeInsertTwoKeys: "INSERT... ON DUPLICATE KEY UPDATE on a table with more than one UNIQUE KEY is unsafe", - ErrTableInFkCheck: "Table is being used in foreign key check.", - ErrUnsupportedEngine: "Storage engine '%s' does not support system tables. [%s.%s]", - ErrBinlogUnsafeAutoincNotFirst: "INSERT into autoincrement field which is not the first part in the composed primary key is unsafe.", - ErrCannotLoadFromTableV2: "Cannot load from %s.%s. The table is probably corrupted", - ErrOnlyFdAndRbrEventsAllowedInBinlogStatement: "Only FormatDescriptionLogEvent and row events are allowed in BINLOG statements (but %s was provided)", - ErrPartitionExchangeDifferentOption: "Non matching attribute '%-.64s' between partition and table", - ErrPartitionExchangePartTable: "Table to exchange with partition is partitioned: '%-.64s'", - ErrPartitionExchangeTempTable: "Table to exchange with partition is temporary: '%-.64s'", - ErrPartitionInsteadOfSubpartition: "Subpartitioned table, use subpartition instead of partition", - ErrUnknownPartition: "Unknown partition '%-.64s' in table '%-.64s'", - ErrTablesDifferentMetadata: "Tables have different definitions", - ErrRowDoesNotMatchPartition: "Found a row that does not match the partition", - ErrBinlogCacheSizeGreaterThanMax: "Option binlogCacheSize (%d) is greater than maxBinlogCacheSize (%d); setting binlogCacheSize equal to maxBinlogCacheSize.", - ErrWarnIndexNotApplicable: "Cannot use %-.64s access on index '%-.64s' due to type or collation conversion on field '%-.64s'", - ErrPartitionExchangeForeignKey: "Table to exchange with partition has foreign key references: '%-.64s'", - ErrNoSuchKeyValue: "Key value '%-.192s' was not found in table '%-.192s.%-.192s'", - ErrRplInfoDataTooLong: "Data for column '%s' too long", - ErrNetworkReadEventChecksumFailure: "Replication event checksum verification failed while reading from network.", - ErrBinlogReadEventChecksumFailure: "Replication event checksum verification failed while reading from a log file.", - ErrBinlogStmtCacheSizeGreaterThanMax: "Option binlogStmtCacheSize (%d) is greater than maxBinlogStmtCacheSize (%d); setting binlogStmtCacheSize equal to maxBinlogStmtCacheSize.", - ErrCantUpdateTableInCreateTableSelect: "Can't update table '%-.192s' while '%-.192s' is being created.", - ErrPartitionClauseOnNonpartitioned: "PARTITION () clause on non partitioned table", - ErrRowDoesNotMatchGivenPartitionSet: "Found a row not matching the given partition set", - ErrNoSuchPartitionunused: "partition '%-.64s' doesn't exist", - ErrChangeRplInfoRepositoryFailure: "Failure while changing the type of replication repository: %s.", - ErrWarningNotCompleteRollbackWithCreatedTempTable: "The creation of some temporary tables could not be rolled back.", - ErrWarningNotCompleteRollbackWithDroppedTempTable: "Some temporary tables were dropped, but these operations could not be rolled back.", - ErrMtsUpdatedDBsGreaterMax: "The number of modified databases exceeds the maximum %d; the database names will not be included in the replication event metadata.", - ErrMtsCantParallel: "Cannot execute the current event group in the parallel mode. Encountered event %s, relay-log name %s, position %s which prevents execution of this event group in parallel mode. Reason: %s.", - ErrMtsInconsistentData: "%s", - ErrFulltextNotSupportedWithPartitioning: "FULLTEXT index is not supported for partitioned tables.", - ErrDaInvalidConditionNumber: "Invalid condition number", - ErrInsecurePlainText: "Sending passwords in plain text without SSL/TLS is extremely insecure.", - ErrForeignDuplicateKeyWithChildInfo: "Foreign key constraint for table '%.192s', record '%-.192s' would lead to a duplicate entry in table '%.192s', key '%.192s'", - ErrForeignDuplicateKeyWithoutChildInfo: "Foreign key constraint for table '%.192s', record '%-.192s' would lead to a duplicate entry in a child table", - ErrTableHasNoFt: "The table does not have FULLTEXT index to support this query", - ErrVariableNotSettableInSfOrTrigger: "The system variable %.200s cannot be set in stored functions or triggers.", - ErrVariableNotSettableInTransaction: "The system variable %.200s cannot be set when there is an ongoing transaction.", - ErrGtidNextIsNotInGtidNextList: "The system variable @@SESSION.GTIDNEXT has the value %.200s, which is not listed in @@SESSION.GTIDNEXTLIST.", - ErrCantChangeGtidNextInTransactionWhenGtidNextListIsNull: "When @@SESSION.GTIDNEXTLIST == NULL, the system variable @@SESSION.GTIDNEXT cannot change inside a transaction.", - ErrSetStatementCannotInvokeFunction: "The statement 'SET %.200s' cannot invoke a stored function.", - ErrGtidNextCantBeAutomaticIfGtidNextListIsNonNull: "The system variable @@SESSION.GTIDNEXT cannot be 'AUTOMATIC' when @@SESSION.GTIDNEXTLIST is non-NULL.", - ErrSkippingLoggedTransaction: "Skipping transaction %.200s because it has already been executed and logged.", - ErrMalformedGtidSetSpecification: "Malformed GTID set specification '%.200s'.", - ErrMalformedGtidSetEncoding: "Malformed GTID set encoding.", - ErrMalformedGtidSpecification: "Malformed GTID specification '%.200s'.", - ErrGnoExhausted: "Impossible to generate Global Transaction Identifier: the integer component reached the maximal value. Restart the server with a new serverUuid.", - ErrCantDoImplicitCommitInTrxWhenGtidNextIsSet: "Cannot execute statements with implicit commit inside a transaction when @@SESSION.GTIDNEXT != AUTOMATIC or @@SESSION.GTIDNEXTLIST != NULL.", - ErrGtidMode2Or3RequiresEnforceGtidConsistencyOn: "@@GLOBAL.GTIDMODE = ON or UPGRADESTEP2 requires @@GLOBAL.ENFORCEGTIDCONSISTENCY = 1.", - ErrCantSetGtidNextToGtidWhenGtidModeIsOff: "@@SESSION.GTIDNEXT cannot be set to UUID:NUMBER when @@GLOBAL.GTIDMODE = OFF.", - ErrCantSetGtidNextToAnonymousWhenGtidModeIsOn: "@@SESSION.GTIDNEXT cannot be set to ANONYMOUS when @@GLOBAL.GTIDMODE = ON.", - ErrCantSetGtidNextListToNonNullWhenGtidModeIsOff: "@@SESSION.GTIDNEXTLIST cannot be set to a non-NULL value when @@GLOBAL.GTIDMODE = OFF.", - ErrFoundGtidEventWhenGtidModeIsOff: "Found a GtidLogEvent or PreviousGtidsLogEvent when @@GLOBAL.GTIDMODE = OFF.", - ErrGtidUnsafeNonTransactionalTable: "When @@GLOBAL.ENFORCEGTIDCONSISTENCY = 1, updates to non-transactional tables can only be done in either autocommitted statements or single-statement transactions, and never in the same statement as updates to transactional tables.", - ErrGtidUnsafeCreateSelect: "CREATE TABLE ... SELECT is forbidden when @@GLOBAL.ENFORCEGTIDCONSISTENCY = 1.", - ErrGtidUnsafeCreateDropTemporaryTableInTransaction: "When @@GLOBAL.ENFORCEGTIDCONSISTENCY = 1, the statements CREATE TEMPORARY TABLE and DROP TEMPORARY TABLE can be executed in a non-transactional context only, and require that AUTOCOMMIT = 1.", - ErrGtidModeCanOnlyChangeOneStepAtATime: "The value of @@GLOBAL.GTIDMODE can only change one step at a time: OFF <-> UPGRADESTEP1 <-> UPGRADESTEP2 <-> ON. Also note that this value must be stepped up or down simultaneously on all servers; see the Manual for instructions.", - ErrCantSetGtidNextWhenOwningGtid: "@@SESSION.GTIDNEXT cannot be changed by a client that owns a GTID. The client owns %s. Ownership is released on COMMIT or ROLLBACK.", - ErrUnknownExplainFormat: "Unknown EXPLAIN format name: '%s'", - ErrCantExecuteInReadOnlyTransaction: "Cannot execute statement in a READ ONLY transaction.", - ErrTooLongTablePartitionComment: "Comment for table partition '%-.64s' is too long (max = %d)", - ErrInnodbFtLimit: "InnoDB presently supports one FULLTEXT index creation at a time", - ErrInnodbNoFtTempTable: "Cannot create FULLTEXT index on temporary InnoDB table", - ErrInnodbFtWrongDocidColumn: "Column '%-.192s' is of wrong type for an InnoDB FULLTEXT index", - ErrInnodbFtWrongDocidIndex: "Index '%-.192s' is of wrong type for an InnoDB FULLTEXT index", - ErrInnodbOnlineLogTooBig: "Creating index '%-.192s' required more than 'innodbOnlineAlterLogMaxSize' bytes of modification log. Please try again.", - ErrUnknownAlterAlgorithm: "Unknown ALGORITHM '%s'", - ErrUnknownAlterLock: "Unknown LOCK type '%s'", - ErrMtsResetWorkers: "Cannot clean up worker info tables. Additional error messages can be found in the MySQL error log.", - ErrColCountDoesntMatchCorruptedV2: "Column count of %s.%s is wrong. Expected %d, found %d. The table is probably corrupted", - ErrDiscardFkChecksRunning: "There is a foreign key check running on table '%-.192s'. Cannot discard the table.", - ErrTableSchemaMismatch: "Schema mismatch (%s)", - ErrTableInSystemTablespace: "Table '%-.192s' in system tablespace", - ErrIoRead: "IO Read : (%d, %s) %s", - ErrIoWrite: "IO Write : (%d, %s) %s", - ErrTablespaceMissing: "Tablespace is missing for table '%-.192s'", - ErrTablespaceExists: "Tablespace for table '%-.192s' exists. Please DISCARD the tablespace before IMPORT.", - ErrTablespaceDiscarded: "Tablespace has been discarded for table '%-.192s'", - ErrInternal: "Internal : %s", - ErrInnodbImport: "ALTER TABLE '%-.192s' IMPORT TABLESPACE failed with error %d : '%s'", - ErrInnodbIndexCorrupt: "Index corrupt: %s", - ErrInvalidYearColumnLength: "Supports only YEAR or YEAR(4) column", - ErrNotValidPassword: "Your password does not satisfy the current policy requirements", - ErrMustChangePassword: "You must SET PASSWORD before executing this statement", - ErrFkNoIndexChild: "Failed to add the foreign key constaint. Missing index for constraint '%s' in the foreign table '%s'", - ErrFkNoIndexParent: "Failed to add the foreign key constaint. Missing index for constraint '%s' in the referenced table '%s'", - ErrFkFailAddSystem: "Failed to add the foreign key constraint '%s' to system tables", - ErrFkCannotOpenParent: "Failed to open the referenced table '%s'", - ErrFkIncorrectOption: "Failed to add the foreign key constraint on table '%s'. Incorrect options in FOREIGN KEY constraint '%s'", - ErrFkDupName: "Duplicate foreign key constraint name '%s'", - ErrPasswordFormat: "The password hash doesn't have the expected format. Check if the correct password algorithm is being used with the PASSWORD() function.", - ErrFkColumnCannotDrop: "Cannot drop column '%-.192s': needed in a foreign key constraint '%-.192s'", - ErrFkColumnCannotDropChild: "Cannot drop column '%-.192s': needed in a foreign key constraint '%-.192s' of table '%-.192s'", - ErrFkColumnNotNull: "Column '%-.192s' cannot be NOT NULL: needed in a foreign key constraint '%-.192s' SET NULL", - ErrDupIndex: "Duplicate index '%-.64s' defined on the table '%-.64s.%-.64s'. This is deprecated and will be disallowed in a future release.", - ErrFkColumnCannotChange: "Cannot change column '%-.192s': used in a foreign key constraint '%-.192s'", - ErrFkColumnCannotChangeChild: "Cannot change column '%-.192s': used in a foreign key constraint '%-.192s' of table '%-.192s'", - ErrFkCannotDeleteParent: "Cannot delete rows from table which is parent in a foreign key constraint '%-.192s' of table '%-.192s'", - ErrMalformedPacket: "Malformed communication packet.", - ErrReadOnlyMode: "Running in read-only mode", - ErrVariableNotSettableInSp: "The system variable %.200s cannot be set in stored procedures.", - ErrCantSetGtidPurgedWhenGtidModeIsOff: "@@GLOBAL.GTIDPURGED can only be set when @@GLOBAL.GTIDMODE = ON.", - ErrCantSetGtidPurgedWhenGtidExecutedIsNotEmpty: "@@GLOBAL.GTIDPURGED can only be set when @@GLOBAL.GTIDEXECUTED is empty.", - ErrCantSetGtidPurgedWhenOwnedGtidsIsNotEmpty: "@@GLOBAL.GTIDPURGED can only be set when there are no ongoing transactions (not even in other clients).", - ErrGtidPurgedWasChanged: "@@GLOBAL.GTIDPURGED was changed from '%s' to '%s'.", - ErrGtidExecutedWasChanged: "@@GLOBAL.GTIDEXECUTED was changed from '%s' to '%s'.", - ErrBinlogStmtModeAndNoReplTables: "Cannot execute statement: impossible to write to binary log since BINLOGFORMAT = STATEMENT, and both replicated and non replicated tables are written to.", - ErrAlterOperationNotSupported: "%s is not supported for this operation. Try %s.", - ErrAlterOperationNotSupportedReason: "%s is not supported. Reason: %s. Try %s.", - ErrAlterOperationNotSupportedReasonCopy: "COPY algorithm requires a lock", - ErrAlterOperationNotSupportedReasonPartition: "Partition specific operations do not yet support LOCK/ALGORITHM", - ErrAlterOperationNotSupportedReasonFkRename: "Columns participating in a foreign key are renamed", - ErrAlterOperationNotSupportedReasonColumnType: "Cannot change column type INPLACE", - ErrAlterOperationNotSupportedReasonFkCheck: "Adding foreign keys needs foreignKeyChecks=OFF", - ErrAlterOperationNotSupportedReasonIgnore: "Creating unique indexes with IGNORE requires COPY algorithm to remove duplicate rows", - ErrAlterOperationNotSupportedReasonNopk: "Dropping a primary key is not allowed without also adding a new primary key", - ErrAlterOperationNotSupportedReasonAutoinc: "Adding an auto-increment column requires a lock", - ErrAlterOperationNotSupportedReasonHiddenFts: "Cannot replace hidden FTSDOCID with a user-visible one", - ErrAlterOperationNotSupportedReasonChangeFts: "Cannot drop or rename FTSDOCID", - ErrAlterOperationNotSupportedReasonFts: "Fulltext index creation requires a lock", - ErrDupUnknownInIndex: "Duplicate entry for key '%-.192s'", - ErrIdentCausesTooLongPath: "Long database name and identifier for object resulted in path length exceeding %d characters. Path: '%s'.", - ErrAlterOperationNotSupportedReasonNotNull: "cannot silently convert NULL values, as required in this SQLMODE", - ErrMustChangePasswordLogin: "Your password has expired. To log in you must change it using a client that supports expired passwords.", - ErrRowInWrongPartition: "Found a row in wrong partition %s", - ErrGeneratedColumnFunctionIsNotAllowed: "Expression of generated column '%s' contains a disallowed function.", - ErrGeneratedColumnRowValueIsNotAllowed: "Expression of generated column '%s' cannot refer to a row value", - ErrUnsupportedAlterInplaceOnVirtualColumn: "INPLACE ADD or DROP of virtual columns cannot be combined with other ALTER TABLE actions.", - ErrWrongFKOptionForGeneratedColumn: "Cannot define foreign key with %s clause on a generated column.", - ErrBadGeneratedColumn: "The value specified for generated column '%s' in table '%s' is not allowed.", - ErrUnsupportedOnGeneratedColumn: "'%s' is not supported for generated columns.", - ErrGeneratedColumnNonPrior: "Generated column can refer only to generated columns defined prior to it.", - ErrDependentByGeneratedColumn: "Column '%s' has a generated column dependency.", - ErrGeneratedColumnRefAutoInc: "Generated column '%s' cannot refer to auto-increment column.", - ErrWarnConflictingHint: "Hint %s is ignored as conflicting/duplicated.", - ErrInvalidFieldSize: "Invalid size for column '%s'.", - ErrInvalidArgumentForLogarithm: "Invalid argument for logarithm", - ErrIncorrectType: "Incorrect type for argument %s in function %s.", - ErrInvalidJSONData: "Invalid JSON data provided to function %s: %s", - ErrInvalidJSONText: "Invalid JSON text: %-.192s", - ErrInvalidJSONPath: "Invalid JSON path expression %s.", - ErrInvalidTypeForJSON: "Invalid data type for JSON data in argument %d to function %s; a JSON string or JSON type is required.", - ErrInvalidJSONPathWildcard: "In this situation, path expressions may not contain the * and ** tokens.", - ErrInvalidJSONContainsPathType: "The second argument can only be either 'one' or 'all'.", - ErrJSONUsedAsKey: "JSON column '%-.192s' cannot be used in key specification.", - ErrJSONDocumentNULLKey: "JSON documents may not contain NULL member names.", - ErrSecureTransportRequired: "Connections using insecure transport are prohibited while --require_secure_transport=ON.", - ErrBadUser: "User %s does not exist.", - ErrUserAlreadyExists: "User %s already exists.", - ErrInvalidJSONPathArrayCell: "A path expression is not a path to a cell in an array.", - ErrInvalidEncryptionOption: "Invalid encryption option.", - ErrPKIndexCantBeInvisible: "A primary key index cannot be invisible", - ErrWindowNoSuchWindow: "Window name '%s' is not defined.", - ErrWindowCircularityInWindowGraph: "There is a circularity in the window dependency graph.", - ErrWindowNoChildPartitioning: "A window which depends on another cannot define partitioning.", - ErrWindowNoInherentFrame: "Window '%s' has a frame definition, so cannot be referenced by another window.", - ErrWindowNoRedefineOrderBy: "Window '%s' cannot inherit '%s' since both contain an ORDER BY clause.", - ErrWindowFrameStartIllegal: "Window '%s': frame start cannot be UNBOUNDED FOLLOWING.", - ErrWindowFrameEndIllegal: "Window '%s': frame end cannot be UNBOUNDED PRECEDING.", - ErrWindowFrameIllegal: "Window '%s': frame start or end is negative, NULL or of non-integral type", - ErrWindowRangeFrameOrderType: "Window '%s' with RANGE N PRECEDING/FOLLOWING frame requires exactly one ORDER BY expression, of numeric or temporal type", - ErrWindowRangeFrameTemporalType: "Window '%s' with RANGE frame has ORDER BY expression of datetime type. Only INTERVAL bound value allowed.", - ErrWindowRangeFrameNumericType: "Window '%s' with RANGE frame has ORDER BY expression of numeric type, INTERVAL bound value not allowed.", - ErrWindowRangeBoundNotConstant: "Window '%s' has a non-constant frame bound.", - ErrWindowDuplicateName: "Window '%s' is defined twice.", - ErrWindowIllegalOrderBy: "Window '%s': ORDER BY or PARTITION BY uses legacy position indication which is not supported, use expression.", - ErrWindowInvalidWindowFuncUse: "You cannot use the window function '%s' in this context.'", - ErrWindowInvalidWindowFuncAliasUse: "You cannot use the alias '%s' of an expression containing a window function in this context.'", - ErrWindowNestedWindowFuncUseInWindowSpec: "You cannot nest a window function in the specification of window '%s'.", - ErrWindowRowsIntervalUse: "Window '%s': INTERVAL can only be used with RANGE frames.", - ErrWindowNoGroupOrderUnused: "ASC or DESC with GROUP BY isn't allowed with window functions; put ASC or DESC in ORDER BY", - ErrWindowExplainJSON: "To get information about window functions use EXPLAIN FORMAT=JSON", - ErrWindowFunctionIgnoresFrame: "Window function '%s' ignores the frame clause of window '%s' and aggregates over the whole partition", - ErrRoleNotGranted: "%s is is not granted to %s", - ErrMaxExecTimeExceeded: "Query execution was interrupted, max_execution_time exceeded.", - ErrLockAcquireFailAndNoWaitSet: "Statement aborted because lock(s) could not be acquired immediately and NOWAIT is set.", - ErrDataTruncatedFunctionalIndex: "Data truncated for expression index '%s' at row %d", - ErrDataOutOfRangeFunctionalIndex: "Value is out of range for expression index '%s' at row %d", - ErrFunctionalIndexOnJSONOrGeometryFunction: "Cannot create an expression index on a function that returns a JSON or GEOMETRY value", - ErrFunctionalIndexRefAutoIncrement: "Expression index '%s' cannot refer to an auto-increment column", - ErrCannotDropColumnFunctionalIndex: "Cannot drop column '%s' because it is used by an expression index. In order to drop the column, you must remove the expression index", - ErrFunctionalIndexPrimaryKey: "The primary key cannot be an expression index", - ErrFunctionalIndexOnLob: "Cannot create an expression index on an expression that returns a BLOB or TEXT. Please consider using CAST", - ErrFunctionalIndexFunctionIsNotAllowed: "Expression of expression index '%s' contains a disallowed function", - ErrFulltextFunctionalIndex: "Fulltext expression index is not supported", - ErrSpatialFunctionalIndex: "Spatial expression index is not supported", - ErrWrongKeyColumnFunctionalIndex: "The used storage engine cannot index the expression '%s'", - ErrFunctionalIndexOnField: "Expression index on a column is not supported. Consider using a regular index instead", - ErrFKIncompatibleColumns: "Referencing column '%s' in foreign key constraint '%s' are incompatible", - ErrFunctionalIndexRowValueIsNotAllowed: "Expression of expression index '%s' cannot refer to a row value", - ErrDependentByFunctionalIndex: "Column '%s' has an expression index dependency and cannot be dropped or renamed", - ErrInvalidJSONValueForFuncIndex: "Invalid JSON value for CAST for expression index '%s'", - ErrJSONValueOutOfRangeForFuncIndex: "Out of range JSON value for CAST for expression index '%s'", - ErrFunctionalIndexDataIsTooLong: "Data too long for expression index '%s'", - ErrFunctionalIndexNotApplicable: "Cannot use expression index '%s' due to type or collation conversion", - ErrUnsupportedConstraintCheck: "%s is not supported", +// Note: all ErrMessage to be added should be considered about the log redaction +// by setting the suitable configuration in the second argument of mysql.Message. +// See https://github.com/pingcap/tidb/blob/master/errno/logredaction.md +var MySQLErrName = map[uint16]*mysql.ErrMessage{ + ErrHashchk: mysql.Message("hashchk", nil), + ErrNisamchk: mysql.Message("isamchk", nil), + ErrNo: mysql.Message("NO", nil), + ErrYes: mysql.Message("YES", nil), + ErrCantCreateFile: mysql.Message("Can't create file '%-.200s' (errno: %d - %s)", nil), + ErrCantCreateTable: mysql.Message("Can't create table '%-.200s' (errno: %d)", nil), + ErrCantCreateDB: mysql.Message("Can't create database '%-.192s' (errno: %d)", nil), + ErrDBCreateExists: mysql.Message("Can't create database '%-.192s'; database exists", nil), + ErrDBDropExists: mysql.Message("Can't drop database '%-.192s'; database doesn't exist", nil), + ErrDBDropDelete: mysql.Message("Error dropping database (can't delete '%-.192s', errno: %d)", nil), + ErrDBDropRmdir: mysql.Message("Error dropping database (can't rmdir '%-.192s', errno: %d)", nil), + ErrCantDeleteFile: mysql.Message("Error on delete of '%-.192s' (errno: %d - %s)", nil), + ErrCantFindSystemRec: mysql.Message("Can't read record in system table", nil), + ErrCantGetStat: mysql.Message("Can't get status of '%-.200s' (errno: %d - %s)", nil), + ErrCantGetWd: mysql.Message("Can't get working directory (errno: %d - %s)", nil), + ErrCantLock: mysql.Message("Can't lock file (errno: %d - %s)", nil), + ErrCantOpenFile: mysql.Message("Can't open file: '%-.200s' (errno: %d - %s)", nil), + ErrFileNotFound: mysql.Message("Can't find file: '%-.200s' (errno: %d - %s)", nil), + ErrCantReadDir: mysql.Message("Can't read dir of '%-.192s' (errno: %d - %s)", nil), + ErrCantSetWd: mysql.Message("Can't change dir to '%-.192s' (errno: %d - %s)", nil), + ErrCheckread: mysql.Message("Record has changed since last read in table '%-.192s'", nil), + ErrDiskFull: mysql.Message("Disk full (%s); waiting for someone to free some space... (errno: %d - %s)", nil), + ErrDupKey: mysql.Message("Can't write; duplicate key in table '%-.192s'", nil), + ErrErrorOnClose: mysql.Message("Error on close of '%-.192s' (errno: %d - %s)", nil), + ErrErrorOnRead: mysql.Message("Error reading file '%-.200s' (errno: %d - %s)", nil), + ErrErrorOnRename: mysql.Message("Error on rename of '%-.210s' to '%-.210s' (errno: %d - %s)", nil), + ErrErrorOnWrite: mysql.Message("Error writing file '%-.200s' (errno: %d - %s)", nil), + ErrFileUsed: mysql.Message("'%-.192s' is locked against change", nil), + ErrFilsortAbort: mysql.Message("Sort aborted", nil), + ErrFormNotFound: mysql.Message("View '%-.192s' doesn't exist for '%-.192s'", nil), + ErrGetErrno: mysql.Message("Got error %d from storage engine", nil), + ErrIllegalHa: mysql.Message("Table storage engine for '%-.192s' doesn't have this option", nil), + ErrKeyNotFound: mysql.Message("Can't find record in '%-.192s'", nil), + ErrNotFormFile: mysql.Message("Incorrect information in file: '%-.200s'", nil), + ErrNotKeyFile: mysql.Message("Incorrect key file for table '%-.200s'; try to repair it", nil), + ErrOldKeyFile: mysql.Message("Old key file for table '%-.192s'; repair it!", nil), + ErrOpenAsReadonly: mysql.Message("Table '%-.192s' is read only", nil), + ErrOutofMemory: mysql.Message("Out of memory; restart server and try again (needed %d bytes)", nil), + ErrOutOfSortMemory: mysql.Message("Out of sort memory, consider increasing server sort buffer size", nil), + ErrUnexpectedEOF: mysql.Message("Unexpected EOF found when reading file '%-.192s' (errno: %d - %s)", nil), + ErrConCount: mysql.Message("Too many connections", nil), + ErrOutOfResources: mysql.Message("Out of memory; check if mysqld or some other process uses all available memory; if not, you may have to use 'ulimit' to allow mysqld to use more memory or you can add more swap space", nil), + ErrBadHost: mysql.Message("Can't get hostname for your address", nil), + ErrHandshake: mysql.Message("Bad handshake", nil), + ErrDBaccessDenied: mysql.Message("Access denied for user '%-.48s'@'%-.64s' to database '%-.192s'", nil), + ErrAccessDenied: mysql.Message("Access denied for user '%-.48s'@'%-.64s' (using password: %s)", nil), + ErrNoDB: mysql.Message("No database selected", nil), + ErrUnknownCom: mysql.Message("Unknown command", nil), + ErrBadNull: mysql.Message("Column '%-.192s' cannot be null", nil), + ErrBadDB: mysql.Message("Unknown database '%-.192s'", nil), + ErrTableExists: mysql.Message("Table '%-.192s' already exists", nil), + ErrBadTable: mysql.Message("Unknown table '%-.100s'", nil), + ErrNonUniq: mysql.Message("Column '%-.192s' in %-.192s is ambiguous", nil), + ErrServerShutdown: mysql.Message("Server shutdown in progress", nil), + ErrBadField: mysql.Message("Unknown column '%-.192s' in '%-.192s'", nil), + ErrFieldNotInGroupBy: mysql.Message("Expression #%d of %s is not in GROUP BY clause and contains nonaggregated column '%s' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by", nil), + ErrWrongGroupField: mysql.Message("Can't group on '%-.192s'", nil), + ErrWrongSumSelect: mysql.Message("Statement has sum functions and columns in same statement", nil), + ErrWrongValueCount: mysql.Message("Column count doesn't match value count", nil), + ErrTooLongIdent: mysql.Message("Identifier name '%-.100s' is too long", nil), + ErrDupFieldName: mysql.Message("Duplicate column name '%-.192s'", nil), + ErrDupKeyName: mysql.Message("Duplicate key name '%-.192s'", nil), + ErrDupEntry: mysql.Message("Duplicate entry '%-.64s' for key '%-.192s'", []int{0, 1}), + ErrWrongFieldSpec: mysql.Message("Incorrect column specifier for column '%-.192s'", nil), + ErrParse: mysql.Message("%s %s", nil), + ErrEmptyQuery: mysql.Message("Query was empty", nil), + ErrNonuniqTable: mysql.Message("Not unique table/alias: '%-.192s'", nil), + ErrInvalidDefault: mysql.Message("Invalid default value for '%-.192s'", nil), + ErrMultiplePriKey: mysql.Message("Multiple primary key defined", nil), + ErrTooManyKeys: mysql.Message("Too many keys specified; max %d keys allowed", nil), + ErrTooManyKeyParts: mysql.Message("Too many key parts specified; max %d parts allowed", nil), + ErrTooLongKey: mysql.Message("Specified key was too long; max key length is %d bytes", nil), + ErrKeyColumnDoesNotExits: mysql.Message("Key column '%-.192s' doesn't exist in table", nil), + ErrBlobUsedAsKey: mysql.Message("BLOB column '%-.192s' can't be used in key specification with the used table type", nil), + ErrTooBigFieldlength: mysql.Message("Column length too big for column '%-.192s' (max = %d); use BLOB or TEXT instead", nil), + ErrWrongAutoKey: mysql.Message("Incorrect table definition; there can be only one auto column and it must be defined as a key", nil), + ErrReady: mysql.Message("%s: ready for connections.\nVersion: '%s' socket: '%s' port: %d", nil), + ErrNormalShutdown: mysql.Message("%s: Normal shutdown\n", nil), + ErrGotSignal: mysql.Message("%s: Got signal %d. Aborting!\n", nil), + ErrShutdownComplete: mysql.Message("%s: Shutdown complete\n", nil), + ErrForcingClose: mysql.Message("%s: Forcing close of thread %d user: '%-.48s'\n", nil), + ErrIpsock: mysql.Message("Can't create IP socket", nil), + ErrNoSuchIndex: mysql.Message("Table '%-.192s' has no index like the one used in CREATE INDEX; recreate the table", nil), + ErrWrongFieldTerminators: mysql.Message("Field separator argument is not what is expected; check the manual", nil), + ErrBlobsAndNoTerminated: mysql.Message("You can't use fixed rowlength with BLOBs; please use 'fields terminated by'", nil), + ErrTextFileNotReadable: mysql.Message("The file '%-.128s' must be in the database directory or be readable by all", nil), + ErrFileExists: mysql.Message("File '%-.200s' already exists", nil), + ErrLoadInfo: mysql.Message("Records: %d Deleted: %d Skipped: %d Warnings: %d", nil), + ErrAlterInfo: mysql.Message("Records: %d Duplicates: %d", nil), + ErrWrongSubKey: mysql.Message("Incorrect prefix key; the used key part isn't a string, the used length is longer than the key part, or the storage engine doesn't support unique prefix keys", nil), + ErrCantRemoveAllFields: mysql.Message("You can't delete all columns with ALTER TABLE; use DROP TABLE instead", nil), + ErrCantDropFieldOrKey: mysql.Message("Can't DROP '%-.192s'; check that column/key exists", nil), + ErrInsertInfo: mysql.Message("Records: %d Duplicates: %d Warnings: %d", nil), + ErrUpdateTableUsed: mysql.Message("You can't specify target table '%-.192s' for update in FROM clause", nil), + ErrNoSuchThread: mysql.Message("Unknown thread id: %d", nil), + ErrKillDenied: mysql.Message("You are not owner of thread %d", nil), + ErrNoTablesUsed: mysql.Message("No tables used", nil), + ErrTooBigSet: mysql.Message("Too many strings for column %-.192s and SET", nil), + ErrNoUniqueLogFile: mysql.Message("Can't generate a unique log-filename %-.200s.(1-999)\n", nil), + ErrTableNotLockedForWrite: mysql.Message("Table '%-.192s' was locked with a READ lock and can't be updated", nil), + ErrTableNotLocked: mysql.Message("Table '%-.192s' was not locked with LOCK TABLES", nil), + ErrBlobCantHaveDefault: mysql.Message("BLOB/TEXT/JSON column '%-.192s' can't have a default value", nil), + ErrWrongDBName: mysql.Message("Incorrect database name '%-.100s'", nil), + ErrWrongTableName: mysql.Message("Incorrect table name '%-.100s'", nil), + ErrTooBigSelect: mysql.Message("The SELECT would examine more than MAXJOINSIZE rows; check your WHERE and use SET SQLBIGSELECTS=1 or SET MAXJOINSIZE=# if the SELECT is okay", nil), + ErrUnknown: mysql.Message("Unknown error", nil), + ErrUnknownProcedure: mysql.Message("Unknown procedure '%-.192s'", nil), + ErrWrongParamcountToProcedure: mysql.Message("Incorrect parameter count to procedure '%-.192s'", nil), + ErrWrongParametersToProcedure: mysql.Message("Incorrect parameters to procedure '%-.192s'", nil), + ErrUnknownTable: mysql.Message("Unknown table '%-.192s' in %-.32s", nil), + ErrFieldSpecifiedTwice: mysql.Message("Column '%-.192s' specified twice", nil), + ErrInvalidGroupFuncUse: mysql.Message("Invalid use of group function", nil), + ErrUnsupportedExtension: mysql.Message("Table '%-.192s' uses an extension that doesn't exist in this MySQL version", nil), + ErrTableMustHaveColumns: mysql.Message("A table must have at least 1 column", nil), + ErrRecordFileFull: mysql.Message("The table '%-.192s' is full", nil), + ErrUnknownCharacterSet: mysql.Message("Unknown character set: '%-.64s'", nil), + ErrTooManyTables: mysql.Message("Too many tables; MySQL can only use %d tables in a join", nil), + ErrTooManyFields: mysql.Message("Too many columns", nil), + ErrTooBigRowsize: mysql.Message("Row size too large. The maximum row size for the used table type, not counting BLOBs, is %d. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs", nil), + ErrStackOverrun: mysql.Message("Thread stack overrun: Used: %d of a %d stack. Use 'mysqld --threadStack=#' to specify a bigger stack if needed", nil), + ErrWrongOuterJoin: mysql.Message("Cross dependency found in OUTER JOIN; examine your ON conditions", nil), + ErrNullColumnInIndex: mysql.Message("Table handler doesn't support NULL in given index. Please change column '%-.192s' to be NOT NULL or use another handler", nil), + ErrCantFindUdf: mysql.Message("Can't load function '%-.192s'", nil), + ErrCantInitializeUdf: mysql.Message("Can't initialize function '%-.192s'; %-.80s", nil), + ErrUdfNoPaths: mysql.Message("No paths allowed for shared library", nil), + ErrUdfExists: mysql.Message("Function '%-.192s' already exists", nil), + ErrCantOpenLibrary: mysql.Message("Can't open shared library '%-.192s' (errno: %d %-.128s)", nil), + ErrCantFindDlEntry: mysql.Message("Can't find symbol '%-.128s' in library", nil), + ErrFunctionNotDefined: mysql.Message("Function '%-.192s' is not defined", nil), + ErrHostIsBlocked: mysql.Message("Host '%-.64s' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'", nil), + ErrHostNotPrivileged: mysql.Message("Host '%-.64s' is not allowed to connect to this MySQL server", nil), + ErrPasswordAnonymousUser: mysql.Message("You are using MySQL as an anonymous user and anonymous users are not allowed to change passwords", nil), + ErrPasswordNotAllowed: mysql.Message("You must have privileges to update tables in the mysql database to be able to change passwords for others", nil), + ErrPasswordNoMatch: mysql.Message("Can't find any matching row in the user table", nil), + ErrUpdateInfo: mysql.Message("Rows matched: %d Changed: %d Warnings: %d", nil), + ErrCantCreateThread: mysql.Message("Can't create a new thread (errno %d); if you are not out of available memory, you can consult the manual for a possible OS-dependent bug", nil), + ErrWrongValueCountOnRow: mysql.Message("Column count doesn't match value count at row %d", nil), + ErrCantReopenTable: mysql.Message("Can't reopen table: '%-.192s'", nil), + ErrInvalidUseOfNull: mysql.Message("Invalid use of NULL value", nil), + ErrRegexp: mysql.Message("Got error '%-.64s' from regexp", nil), + ErrMixOfGroupFuncAndFields: mysql.Message("Mixing of GROUP columns (MIN(),MAX(),COUNT(),...) with no GROUP columns is illegal if there is no GROUP BY clause", nil), + ErrNonexistingGrant: mysql.Message("There is no such grant defined for user '%-.48s' on host '%-.64s'", nil), + ErrTableaccessDenied: mysql.Message("%-.128s command denied to user '%-.48s'@'%-.64s' for table '%-.64s'", nil), + ErrColumnaccessDenied: mysql.Message("%-.16s command denied to user '%-.48s'@'%-.64s' for column '%-.192s' in table '%-.192s'", nil), + ErrIllegalGrantForTable: mysql.Message("Illegal GRANT/REVOKE command; please consult the manual to see which privileges can be used", nil), + ErrGrantWrongHostOrUser: mysql.Message("The host or user argument to GRANT is too long", nil), + ErrNoSuchTable: mysql.Message("Table '%-.192s.%-.192s' doesn't exist", nil), + ErrNonexistingTableGrant: mysql.Message("There is no such grant defined for user '%-.48s' on host '%-.64s' on table '%-.192s'", nil), + ErrNotAllowedCommand: mysql.Message("The used command is not allowed with this MySQL version", nil), + ErrSyntax: mysql.Message("You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use", nil), + ErrDelayedCantChangeLock: mysql.Message("Delayed insert thread couldn't get requested lock for table %-.192s", nil), + ErrTooManyDelayedThreads: mysql.Message("Too many delayed threads in use", nil), + ErrAbortingConnection: mysql.Message("Aborted connection %d to db: '%-.192s' user: '%-.48s' (%-.64s)", nil), + ErrNetPacketTooLarge: mysql.Message("Got a packet bigger than 'maxAllowedPacket' bytes", nil), + ErrNetReadErrorFromPipe: mysql.Message("Got a read error from the connection pipe", nil), + ErrNetFcntl: mysql.Message("Got an error from fcntl()", nil), + ErrNetPacketsOutOfOrder: mysql.Message("Got packets out of order", nil), + ErrNetUncompress: mysql.Message("Couldn't uncompress communication packet", nil), + ErrNetRead: mysql.Message("Got an error reading communication packets", nil), + ErrNetReadInterrupted: mysql.Message("Got timeout reading communication packets", nil), + ErrNetErrorOnWrite: mysql.Message("Got an error writing communication packets", nil), + ErrNetWriteInterrupted: mysql.Message("Got timeout writing communication packets", nil), + ErrTooLongString: mysql.Message("Result string is longer than 'maxAllowedPacket' bytes", nil), + ErrTableCantHandleBlob: mysql.Message("The used table type doesn't support BLOB/TEXT columns", nil), + ErrTableCantHandleAutoIncrement: mysql.Message("The used table type doesn't support AUTOINCREMENT columns", nil), + ErrDelayedInsertTableLocked: mysql.Message("INSERT DELAYED can't be used with table '%-.192s' because it is locked with LOCK TABLES", nil), + ErrWrongColumnName: mysql.Message("Incorrect column name '%-.100s'", nil), + ErrWrongKeyColumn: mysql.Message("The used storage engine can't index column '%-.192s'", nil), + ErrWrongMrgTable: mysql.Message("Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist", nil), + ErrDupUnique: mysql.Message("Can't write, because of unique constraint, to table '%-.192s'", nil), + ErrBlobKeyWithoutLength: mysql.Message("BLOB/TEXT column '%-.192s' used in key specification without a key length", nil), + ErrPrimaryCantHaveNull: mysql.Message("All parts of a PRIMARY KEY must be NOT NULL; if you need NULL in a key, use UNIQUE instead", nil), + ErrTooManyRows: mysql.Message("Result consisted of more than one row", nil), + ErrRequiresPrimaryKey: mysql.Message("This table type requires a primary key", nil), + ErrNoRaidCompiled: mysql.Message("This version of MySQL is not compiled with RAID support", nil), + ErrUpdateWithoutKeyInSafeMode: mysql.Message("You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column", nil), + ErrKeyDoesNotExist: mysql.Message("Key '%-.192s' doesn't exist in table '%-.192s'", nil), + ErrCheckNoSuchTable: mysql.Message("Can't open table", nil), + ErrCheckNotImplemented: mysql.Message("The storage engine for the table doesn't support %s", nil), + ErrCantDoThisDuringAnTransaction: mysql.Message("You are not allowed to execute this command in a transaction", nil), + ErrErrorDuringCommit: mysql.Message("Got error %d during COMMIT", nil), + ErrErrorDuringRollback: mysql.Message("Got error %d during ROLLBACK", nil), + ErrErrorDuringFlushLogs: mysql.Message("Got error %d during FLUSHLOGS", nil), + ErrErrorDuringCheckpoint: mysql.Message("Got error %d during CHECKPOINT", nil), + ErrNewAbortingConnection: mysql.Message("Aborted connection %d to db: '%-.192s' user: '%-.48s' host: '%-.64s' (%-.64s)", nil), + ErrDumpNotImplemented: mysql.Message("The storage engine for the table does not support binary table dump", nil), + ErrIndexRebuild: mysql.Message("Failed rebuilding the index of dumped table '%-.192s'", nil), + ErrFtMatchingKeyNotFound: mysql.Message("Can't find FULLTEXT index matching the column list", nil), + ErrLockOrActiveTransaction: mysql.Message("Can't execute the given command because you have active locked tables or an active transaction", nil), + ErrUnknownSystemVariable: mysql.Message("Unknown system variable '%-.64s'", nil), + ErrCrashedOnUsage: mysql.Message("Table '%-.192s' is marked as crashed and should be repaired", nil), + ErrCrashedOnRepair: mysql.Message("Table '%-.192s' is marked as crashed and last (automatic?) repair failed", nil), + ErrWarningNotCompleteRollback: mysql.Message("Some non-transactional changed tables couldn't be rolled back", nil), + ErrTransCacheFull: mysql.Message("Multi-statement transaction required more than 'maxBinlogCacheSize' bytes of storage; increase this mysqld variable and try again", nil), + ErrTooManyUserConnections: mysql.Message("User %-.64s already has more than 'maxUserConnections' active connections", nil), + ErrSetConstantsOnly: mysql.Message("You may only use constant expressions with SET", nil), + ErrLockWaitTimeout: mysql.Message("Lock wait timeout exceeded; try restarting transaction", nil), + ErrLockTableFull: mysql.Message("The total number of locks exceeds the lock table size", nil), + ErrReadOnlyTransaction: mysql.Message("Update locks cannot be acquired during a READ UNCOMMITTED transaction", nil), + ErrDropDBWithReadLock: mysql.Message("DROP DATABASE not allowed while thread is holding global read lock", nil), + ErrCreateDBWithReadLock: mysql.Message("CREATE DATABASE not allowed while thread is holding global read lock", nil), + ErrWrongArguments: mysql.Message("Incorrect arguments to %s", nil), + ErrNoPermissionToCreateUser: mysql.Message("'%-.48s'@'%-.64s' is not allowed to create new users", nil), + ErrUnionTablesInDifferentDir: mysql.Message("Incorrect table definition; all MERGE tables must be in the same database", nil), + ErrLockDeadlock: mysql.Message("Deadlock found when trying to get lock; try restarting transaction", nil), + ErrTableCantHandleFt: mysql.Message("The used table type doesn't support FULLTEXT indexes", nil), + ErrCannotAddForeign: mysql.Message("Cannot add foreign key constraint", nil), + ErrNoReferencedRow: mysql.Message("Cannot add or update a child row: a foreign key constraint fails", nil), + ErrRowIsReferenced: mysql.Message("Cannot delete or update a parent row: a foreign key constraint fails", nil), + ErrErrorWhenExecutingCommand: mysql.Message("Error when executing command %s: %-.128s", nil), + ErrWrongUsage: mysql.Message("Incorrect usage of %s and %s", nil), + ErrWrongNumberOfColumnsInSelect: mysql.Message("The used SELECT statements have a different number of columns", nil), + ErrCantUpdateWithReadlock: mysql.Message("Can't execute the query because you have a conflicting read lock", nil), + ErrMixingNotAllowed: mysql.Message("Mixing of transactional and non-transactional tables is disabled", nil), + ErrDupArgument: mysql.Message("Option '%s' used twice in statement", nil), + ErrUserLimitReached: mysql.Message("User '%-.64s' has exceeded the '%s' resource (current value: %d)", nil), + ErrSpecificAccessDenied: mysql.Message("Access denied; you need (at least one of) the %-.128s privilege(s) for this operation", nil), + ErrLocalVariable: mysql.Message("Variable '%-.64s' is a SESSION variable and can't be used with SET GLOBAL", nil), + ErrGlobalVariable: mysql.Message("Variable '%-.64s' is a GLOBAL variable and should be set with SET GLOBAL", nil), + ErrNoDefault: mysql.Message("Variable '%-.64s' doesn't have a default value", nil), + ErrWrongValueForVar: mysql.Message("Variable '%-.64s' can't be set to the value of '%-.200s'", nil), + ErrWrongTypeForVar: mysql.Message("Incorrect argument type to variable '%-.64s'", nil), + ErrVarCantBeRead: mysql.Message("Variable '%-.64s' can only be set, not read", nil), + ErrCantUseOptionHere: mysql.Message("Incorrect usage/placement of '%s'", nil), + ErrNotSupportedYet: mysql.Message("This version of TiDB doesn't yet support '%s'", nil), + ErrIncorrectGlobalLocalVar: mysql.Message("Variable '%-.192s' is a %s variable", nil), + ErrWrongFkDef: mysql.Message("Incorrect foreign key definition for '%-.192s': %s", nil), + ErrKeyRefDoNotMatchTableRef: mysql.Message("Key reference and table reference don't match", nil), + ErrOperandColumns: mysql.Message("Operand should contain %d column(s)", nil), + ErrSubqueryNo1Row: mysql.Message("Subquery returns more than 1 row", nil), + ErrUnknownStmtHandler: mysql.Message("Unknown prepared statement handler (%.*s) given to %s", nil), + ErrCorruptHelpDB: mysql.Message("Help database is corrupt or does not exist", nil), + ErrCyclicReference: mysql.Message("Cyclic reference on subqueries", nil), + ErrAutoConvert: mysql.Message("Converting column '%s' from %s to %s", nil), + ErrIllegalReference: mysql.Message("Reference '%-.64s' not supported (%s)", nil), + ErrDerivedMustHaveAlias: mysql.Message("Every derived table must have its own alias", nil), + ErrSelectReduced: mysql.Message("Select %d was reduced during optimization", nil), + ErrTablenameNotAllowedHere: mysql.Message("Table '%s' from one of the %ss cannot be used in %s", nil), + ErrNotSupportedAuthMode: mysql.Message("Client does not support authentication protocol requested by server; consider upgrading MySQL client", nil), + ErrSpatialCantHaveNull: mysql.Message("All parts of a SPATIAL index must be NOT NULL", nil), + ErrCollationCharsetMismatch: mysql.Message("COLLATION '%s' is not valid for CHARACTER SET '%s'", nil), + ErrTooBigForUncompress: mysql.Message("Uncompressed data size too large; the maximum size is %d (probably, length of uncompressed data was corrupted)", nil), + ErrZlibZMem: mysql.Message("ZLIB: Not enough memory", nil), + ErrZlibZBuf: mysql.Message("ZLIB: Not enough room in the output buffer (probably, length of uncompressed data was corrupted)", nil), + ErrZlibZData: mysql.Message("ZLIB: Input data corrupted", nil), + ErrCutValueGroupConcat: mysql.Message("Some rows were cut by GROUPCONCAT(%s)", nil), + ErrWarnTooFewRecords: mysql.Message("Row %d doesn't contain data for all columns", nil), + ErrWarnTooManyRecords: mysql.Message("Row %d was truncated; it contained more data than there were input columns", nil), + ErrWarnNullToNotnull: mysql.Message("Column set to default value; NULL supplied to NOT NULL column '%s' at row %d", nil), + ErrWarnDataOutOfRange: mysql.Message("Out of range value for column '%s' at row %d", nil), + WarnDataTruncated: mysql.Message("Data truncated for column '%s' at row %d", nil), + ErrWarnUsingOtherHandler: mysql.Message("Using storage engine %s for table '%s'", nil), + ErrCantAggregate2collations: mysql.Message("Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s'", nil), + ErrDropUser: mysql.Message("Cannot drop one or more of the requested users", nil), + ErrRevokeGrants: mysql.Message("Can't revoke all privileges for one or more of the requested users", nil), + ErrCantAggregate3collations: mysql.Message("Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s'", nil), + ErrCantAggregateNcollations: mysql.Message("Illegal mix of collations for operation '%s'", nil), + ErrVariableIsNotStruct: mysql.Message("Variable '%-.64s' is not a variable component (can't be used as XXXX.variableName)", nil), + ErrUnknownCollation: mysql.Message("Unknown collation: '%-.64s'", nil), + ErrServerIsInSecureAuthMode: mysql.Message("Server is running in --secure-auth mode, but '%s'@'%s' has a password in the old format; please change the password to the new format", nil), + ErrWarnFieldResolved: mysql.Message("Field or reference '%-.192s%s%-.192s%s%-.192s' of SELECT #%d was resolved in SELECT #%d", nil), + ErrUntilCondIgnored: mysql.Message("SQL thread is not to be started so UNTIL options are ignored", nil), + ErrWrongNameForIndex: mysql.Message("Incorrect index name '%-.100s'", nil), + ErrWrongNameForCatalog: mysql.Message("Incorrect catalog name '%-.100s'", nil), + ErrWarnQcResize: mysql.Message("Query cache failed to set size %d; new query cache size is %d", nil), + ErrBadFtColumn: mysql.Message("Column '%-.192s' cannot be part of FULLTEXT index", nil), + ErrUnknownKeyCache: mysql.Message("Unknown key cache '%-.100s'", nil), + ErrWarnHostnameWontWork: mysql.Message("MySQL is started in --skip-name-resolve mode; you must restart it without this switch for this grant to work", nil), + ErrUnknownStorageEngine: mysql.Message("Unknown storage engine '%s'", nil), + ErrWarnDeprecatedSyntax: mysql.Message("'%s' is deprecated and will be removed in a future release. Please use %s instead", nil), + ErrNonUpdatableTable: mysql.Message("The target table %-.100s of the %s is not updatable", nil), + ErrFeatureDisabled: mysql.Message("The '%s' feature is disabled; you need MySQL built with '%s' to have it working", nil), + ErrOptionPreventsStatement: mysql.Message("The MySQL server is running with the %s option so it cannot execute this statement", nil), + ErrDuplicatedValueInType: mysql.Message("Column '%-.100s' has duplicated value '%-.64s' in %s", nil), + ErrTruncatedWrongValue: mysql.Message("Truncated incorrect %-.64s value: '%-.128s'", nil), + ErrTooMuchAutoTimestampCols: mysql.Message("Incorrect table definition; there can be only one TIMESTAMP column with CURRENTTIMESTAMP in DEFAULT or ON UPDATE clause", nil), + ErrInvalidOnUpdate: mysql.Message("Invalid ON UPDATE clause for '%-.192s' column", nil), + ErrUnsupportedPs: mysql.Message("This command is not supported in the prepared statement protocol yet", nil), + ErrGetErrmsg: mysql.Message("Got error %d '%-.100s' from %s", nil), + ErrGetTemporaryErrmsg: mysql.Message("Got temporary error %d '%-.100s' from %s", nil), + ErrUnknownTimeZone: mysql.Message("Unknown or incorrect time zone: '%-.64s'", nil), + ErrWarnInvalidTimestamp: mysql.Message("Invalid TIMESTAMP value in column '%s' at row %d", nil), + ErrInvalidCharacterString: mysql.Message("Invalid %s character string: '%.64s'", nil), + ErrWarnAllowedPacketOverflowed: mysql.Message("Result of %s() was larger than max_allowed_packet (%d) - truncated", nil), + ErrConflictingDeclarations: mysql.Message("Conflicting declarations: '%s%s' and '%s%s'", nil), + ErrSpNoRecursiveCreate: mysql.Message("Can't create a %s from within another stored routine", nil), + ErrSpAlreadyExists: mysql.Message("%s %s already exists", nil), + ErrSpDoesNotExist: mysql.Message("%s %s does not exist", nil), + ErrSpDropFailed: mysql.Message("Failed to DROP %s %s", nil), + ErrSpStoreFailed: mysql.Message("Failed to CREATE %s %s", nil), + ErrSpLilabelMismatch: mysql.Message("%s with no matching label: %s", nil), + ErrSpLabelRedefine: mysql.Message("Redefining label %s", nil), + ErrSpLabelMismatch: mysql.Message("End-label %s without match", nil), + ErrSpUninitVar: mysql.Message("Referring to uninitialized variable %s", nil), + ErrSpBadselect: mysql.Message("PROCEDURE %s can't return a result set in the given context", nil), + ErrSpBadreturn: mysql.Message("RETURN is only allowed in a FUNCTION", nil), + ErrSpBadstatement: mysql.Message("%s is not allowed in stored procedures", nil), + ErrUpdateLogDeprecatedIgnored: mysql.Message("The update log is deprecated and replaced by the binary log; SET SQLLOGUPDATE has been ignored.", nil), + ErrUpdateLogDeprecatedTranslated: mysql.Message("The update log is deprecated and replaced by the binary log; SET SQLLOGUPDATE has been translated to SET SQLLOGBIN.", nil), + ErrQueryInterrupted: mysql.Message("Query execution was interrupted", nil), + ErrSpWrongNoOfArgs: mysql.Message("Incorrect number of arguments for %s %s; expected %d, got %d", nil), + ErrSpCondMismatch: mysql.Message("Undefined CONDITION: %s", nil), + ErrSpNoreturn: mysql.Message("No RETURN found in FUNCTION %s", nil), + ErrSpNoreturnend: mysql.Message("FUNCTION %s ended without RETURN", nil), + ErrSpBadCursorQuery: mysql.Message("Cursor statement must be a SELECT", nil), + ErrSpBadCursorSelect: mysql.Message("Cursor SELECT must not have INTO", nil), + ErrSpCursorMismatch: mysql.Message("Undefined CURSOR: %s", nil), + ErrSpCursorAlreadyOpen: mysql.Message("Cursor is already open", nil), + ErrSpCursorNotOpen: mysql.Message("Cursor is not open", nil), + ErrSpUndeclaredVar: mysql.Message("Undeclared variable: %s", nil), + ErrSpWrongNoOfFetchArgs: mysql.Message("Incorrect number of FETCH variables", nil), + ErrSpFetchNoData: mysql.Message("No data - zero rows fetched, selected, or processed", nil), + ErrSpDupParam: mysql.Message("Duplicate parameter: %s", nil), + ErrSpDupVar: mysql.Message("Duplicate variable: %s", nil), + ErrSpDupCond: mysql.Message("Duplicate condition: %s", nil), + ErrSpDupCurs: mysql.Message("Duplicate cursor: %s", nil), + ErrSpCantAlter: mysql.Message("Failed to ALTER %s %s", nil), + ErrSpSubselectNyi: mysql.Message("Subquery value not supported", nil), + ErrStmtNotAllowedInSfOrTrg: mysql.Message("%s is not allowed in stored function or trigger", nil), + ErrSpVarcondAfterCurshndlr: mysql.Message("Variable or condition declaration after cursor or handler declaration", nil), + ErrSpCursorAfterHandler: mysql.Message("Cursor declaration after handler declaration", nil), + ErrSpCaseNotFound: mysql.Message("Case not found for CASE statement", nil), + ErrFparserTooBigFile: mysql.Message("Configuration file '%-.192s' is too big", nil), + ErrFparserBadHeader: mysql.Message("Malformed file type header in file '%-.192s'", nil), + ErrFparserEOFInComment: mysql.Message("Unexpected end of file while parsing comment '%-.200s'", nil), + ErrFparserErrorInParameter: mysql.Message("Error while parsing parameter '%-.192s' (line: '%-.192s')", nil), + ErrFparserEOFInUnknownParameter: mysql.Message("Unexpected end of file while skipping unknown parameter '%-.192s'", nil), + ErrViewNoExplain: mysql.Message("EXPLAIN/SHOW can not be issued; lacking privileges for underlying table", nil), + ErrFrmUnknownType: mysql.Message("File '%-.192s' has unknown type '%-.64s' in its header", nil), + ErrWrongObject: mysql.Message("'%-.192s.%-.192s' is not %s", nil), + ErrNonupdateableColumn: mysql.Message("Column '%-.192s' is not updatable", nil), + ErrViewSelectDerived: mysql.Message("View's SELECT contains a subquery in the FROM clause", nil), + ErrViewSelectClause: mysql.Message("View's SELECT contains a '%s' clause", nil), + ErrViewSelectVariable: mysql.Message("View's SELECT contains a variable or parameter", nil), + ErrViewSelectTmptable: mysql.Message("View's SELECT refers to a temporary table '%-.192s'", nil), + ErrViewWrongList: mysql.Message("View's SELECT and view's field list have different column counts", nil), + ErrWarnViewMerge: mysql.Message("View merge algorithm can't be used here for now (assumed undefined algorithm)", nil), + ErrWarnViewWithoutKey: mysql.Message("View being updated does not have complete key of underlying table in it", nil), + ErrViewInvalid: mysql.Message("View '%-.192s.%-.192s' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them", nil), + ErrSpNoDropSp: mysql.Message("Can't drop or alter a %s from within another stored routine", nil), + ErrSpGotoInHndlr: mysql.Message("GOTO is not allowed in a stored procedure handler", nil), + ErrTrgAlreadyExists: mysql.Message("Trigger already exists", nil), + ErrTrgDoesNotExist: mysql.Message("Trigger does not exist", nil), + ErrTrgOnViewOrTempTable: mysql.Message("Trigger's '%-.192s' is view or temporary table", nil), + ErrTrgCantChangeRow: mysql.Message("Updating of %s row is not allowed in %strigger", nil), + ErrTrgNoSuchRowInTrg: mysql.Message("There is no %s row in %s trigger", nil), + ErrNoDefaultForField: mysql.Message("Field '%-.192s' doesn't have a default value", nil), + ErrDivisionByZero: mysql.Message("Division by 0", nil), + ErrTruncatedWrongValueForField: mysql.Message("Incorrect %-.32s value: '%-.128s' for column '%.192s' at row %d", nil), + ErrIllegalValueForType: mysql.Message("Illegal %s '%-.192s' value found during parsing", nil), + ErrViewNonupdCheck: mysql.Message("CHECK OPTION on non-updatable view '%-.192s.%-.192s'", nil), + ErrViewCheckFailed: mysql.Message("CHECK OPTION failed '%-.192s.%-.192s'", nil), + ErrProcaccessDenied: mysql.Message("%-.16s command denied to user '%-.48s'@'%-.64s' for routine '%-.192s'", nil), + ErrRelayLogFail: mysql.Message("Failed purging old relay logs: %s", nil), + ErrPasswdLength: mysql.Message("Password hash should be a %d-digit hexadecimal number", nil), + ErrUnknownTargetBinlog: mysql.Message("Target log not found in binlog index", nil), + ErrIoErrLogIndexRead: mysql.Message("I/O error reading log index file", nil), + ErrBinlogPurgeProhibited: mysql.Message("Server configuration does not permit binlog purge", nil), + ErrFseekFail: mysql.Message("Failed on fseek()", nil), + ErrBinlogPurgeFatalErr: mysql.Message("Fatal error during log purge", nil), + ErrLogInUse: mysql.Message("A purgeable log is in use, will not purge", nil), + ErrLogPurgeUnknownErr: mysql.Message("Unknown error during log purge", nil), + ErrRelayLogInit: mysql.Message("Failed initializing relay log position: %s", nil), + ErrNoBinaryLogging: mysql.Message("You are not using binary logging", nil), + ErrReservedSyntax: mysql.Message("The '%-.64s' syntax is reserved for purposes internal to the MySQL server", nil), + ErrWsasFailed: mysql.Message("WSAStartup Failed", nil), + ErrDiffGroupsProc: mysql.Message("Can't handle procedures with different groups yet", nil), + ErrNoGroupForProc: mysql.Message("Select must have a group with this procedure", nil), + ErrOrderWithProc: mysql.Message("Can't use ORDER clause with this procedure", nil), + ErrLoggingProhibitChangingOf: mysql.Message("Binary logging and replication forbid changing the global server %s", nil), + ErrNoFileMapping: mysql.Message("Can't map file: %-.200s, errno: %d", nil), + ErrWrongMagic: mysql.Message("Wrong magic in %-.64s", nil), + ErrPsManyParam: mysql.Message("Prepared statement contains too many placeholders", nil), + ErrKeyPart0: mysql.Message("Key part '%-.192s' length cannot be 0", nil), + ErrViewChecksum: mysql.Message("View text checksum failed", nil), + ErrViewMultiupdate: mysql.Message("Can not modify more than one base table through a join view '%-.192s.%-.192s'", nil), + ErrViewNoInsertFieldList: mysql.Message("Can not insert into join view '%-.192s.%-.192s' without fields list", nil), + ErrViewDeleteMergeView: mysql.Message("Can not delete from join view '%-.192s.%-.192s'", nil), + ErrCannotUser: mysql.Message("Operation %s failed for %.256s", nil), + ErrXaerNota: mysql.Message("XAERNOTA: Unknown XID", nil), + ErrXaerInval: mysql.Message("XAERINVAL: Invalid arguments (or unsupported command)", nil), + ErrXaerRmfail: mysql.Message("XAERRMFAIL: The command cannot be executed when global transaction is in the %.64s state", nil), + ErrXaerOutside: mysql.Message("XAEROUTSIDE: Some work is done outside global transaction", nil), + ErrXaerRmerr: mysql.Message("XAERRMERR: Fatal error occurred in the transaction branch - check your data for consistency", nil), + ErrXaRbrollback: mysql.Message("XARBROLLBACK: Transaction branch was rolled back", nil), + ErrNonexistingProcGrant: mysql.Message("There is no such grant defined for user '%-.48s' on host '%-.64s' on routine '%-.192s'", nil), + ErrProcAutoGrantFail: mysql.Message("Failed to grant EXECUTE and ALTER ROUTINE privileges", nil), + ErrProcAutoRevokeFail: mysql.Message("Failed to revoke all privileges to dropped routine", nil), + ErrDataTooLong: mysql.Message("Data too long for column '%s' at row %d", nil), + ErrSpBadSQLstate: mysql.Message("Bad SQLSTATE: '%s'", nil), + ErrStartup: mysql.Message("%s: ready for connections.\nVersion: '%s' socket: '%s' port: %d %s", nil), + ErrLoadFromFixedSizeRowsToVar: mysql.Message("Can't load value from file with fixed size rows to variable", nil), + ErrCantCreateUserWithGrant: mysql.Message("You are not allowed to create a user with GRANT", nil), + ErrWrongValueForType: mysql.Message("Incorrect %-.32s value: '%-.128s' for function %-.32s", nil), + ErrTableDefChanged: mysql.Message("Table definition has changed, please retry transaction", nil), + ErrSpDupHandler: mysql.Message("Duplicate handler declared in the same block", nil), + ErrSpNotVarArg: mysql.Message("OUT or INOUT argument %d for routine %s is not a variable or NEW pseudo-variable in BEFORE trigger", nil), + ErrSpNoRetset: mysql.Message("Not allowed to return a result set from a %s", nil), + ErrCantCreateGeometryObject: mysql.Message("Cannot get geometry object from data you send to the GEOMETRY field", nil), + ErrFailedRoutineBreakBinlog: mysql.Message("A routine failed and has neither NO SQL nor READS SQL DATA in its declaration and binary logging is enabled; if non-transactional tables were updated, the binary log will miss their changes", nil), + ErrBinlogUnsafeRoutine: mysql.Message("This function has none of DETERMINISTIC, NO SQL, or READS SQL DATA in its declaration and binary logging is enabled (you *might* want to use the less safe logBinTrustFunctionCreators variable)", nil), + ErrBinlogCreateRoutineNeedSuper: mysql.Message("You do not have the SUPER privilege and binary logging is enabled (you *might* want to use the less safe logBinTrustFunctionCreators variable)", nil), + ErrExecStmtWithOpenCursor: mysql.Message("You can't execute a prepared statement which has an open cursor associated with it. Reset the statement to re-execute it.", nil), + ErrStmtHasNoOpenCursor: mysql.Message("The statement (%d) has no open cursor.", nil), + ErrCommitNotAllowedInSfOrTrg: mysql.Message("Explicit or implicit commit is not allowed in stored function or trigger.", nil), + ErrNoDefaultForViewField: mysql.Message("Field of view '%-.192s.%-.192s' underlying table doesn't have a default value", nil), + ErrSpNoRecursion: mysql.Message("Recursive stored functions and triggers are not allowed.", nil), + ErrTooBigScale: mysql.Message("Too big scale %d specified for column '%-.192s'. Maximum is %d.", nil), + ErrTooBigPrecision: mysql.Message("Too big precision %d specified for column '%-.192s'. Maximum is %d.", nil), + ErrMBiggerThanD: mysql.Message("For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column '%-.192s').", nil), + ErrWrongLockOfSystemTable: mysql.Message("You can't combine write-locking of system tables with other tables or lock types", nil), + ErrConnectToForeignDataSource: mysql.Message("Unable to connect to foreign data source: %.64s", nil), + ErrQueryOnForeignDataSource: mysql.Message("There was a problem processing the query on the foreign data source. Data source : %-.64s", nil), + ErrForeignDataSourceDoesntExist: mysql.Message("The foreign data source you are trying to reference does not exist. Data source : %-.64s", nil), + ErrForeignDataStringInvalidCantCreate: mysql.Message("Can't create federated table. The data source connection string '%-.64s' is not in the correct format", nil), + ErrForeignDataStringInvalid: mysql.Message("The data source connection string '%-.64s' is not in the correct format", nil), + ErrCantCreateFederatedTable: mysql.Message("Can't create federated table. Foreign data src : %-.64s", nil), + ErrTrgInWrongSchema: mysql.Message("Trigger in wrong schema", nil), + ErrStackOverrunNeedMore: mysql.Message("Thread stack overrun: %d bytes used of a %d byte stack, and %d bytes needed. Use 'mysqld --threadStack=#' to specify a bigger stack.", nil), + ErrTooLongBody: mysql.Message("Routine body for '%-.100s' is too long", nil), + ErrWarnCantDropDefaultKeycache: mysql.Message("Cannot drop default keycache", nil), + ErrTooBigDisplaywidth: mysql.Message("Display width out of range for column '%-.192s' (max = %d)", nil), + ErrXaerDupid: mysql.Message("XAERDUPID: The XID already exists", nil), + ErrDatetimeFunctionOverflow: mysql.Message("Datetime function: %-.32s field overflow", nil), + ErrCantUpdateUsedTableInSfOrTrg: mysql.Message("Can't update table '%-.192s' in stored function/trigger because it is already used by statement which invoked this stored function/trigger.", nil), + ErrViewPreventUpdate: mysql.Message("The definition of table '%-.192s' prevents operation %.192s on table '%-.192s'.", nil), + ErrPsNoRecursion: mysql.Message("The prepared statement contains a stored routine call that refers to that same statement. It's not allowed to execute a prepared statement in such a recursive manner", nil), + ErrSpCantSetAutocommit: mysql.Message("Not allowed to set autocommit from a stored function or trigger", nil), + ErrMalformedDefiner: mysql.Message("Definer is not fully qualified", nil), + ErrViewFrmNoUser: mysql.Message("View '%-.192s'.'%-.192s' has no definer information (old table format). Current user is used as definer. Please recreate the view!", nil), + ErrViewOtherUser: mysql.Message("You need the SUPER privilege for creation view with '%-.192s'@'%-.192s' definer", nil), + ErrNoSuchUser: mysql.Message("The user specified as a definer ('%-.64s'@'%-.64s') does not exist", nil), + ErrForbidSchemaChange: mysql.Message("Changing schema from '%-.192s' to '%-.192s' is not allowed.", nil), + ErrRowIsReferenced2: mysql.Message("Cannot delete or update a parent row: a foreign key constraint fails (%.192s)", nil), + ErrNoReferencedRow2: mysql.Message("Cannot add or update a child row: a foreign key constraint fails (%.192s)", nil), + ErrSpBadVarShadow: mysql.Message("Variable '%-.64s' must be quoted with `...`, or renamed", nil), + ErrTrgNoDefiner: mysql.Message("No definer attribute for trigger '%-.192s'.'%-.192s'. The trigger will be activated under the authorization of the invoker, which may have insufficient privileges. Please recreate the trigger.", nil), + ErrOldFileFormat: mysql.Message("'%-.192s' has an old format, you should re-create the '%s' object(s)", nil), + ErrSpRecursionLimit: mysql.Message("Recursive limit %d (as set by the maxSpRecursionDepth variable) was exceeded for routine %.192s", nil), + ErrSpProcTableCorrupt: mysql.Message("Failed to load routine %-.192s. The table mysql.proc is missing, corrupt, or contains bad data (internal code %d)", nil), + ErrSpWrongName: mysql.Message("Incorrect routine name '%-.192s'", nil), + ErrTableNeedsUpgrade: mysql.Message("Table upgrade required. Please do \"REPAIR TABLE `%-.32s`\"", nil), + ErrSpNoAggregate: mysql.Message("AGGREGATE is not supported for stored functions", nil), + ErrMaxPreparedStmtCountReached: mysql.Message("Can't create more than maxPreparedStmtCount statements (current value: %d)", nil), + ErrViewRecursive: mysql.Message("`%-.192s`.`%-.192s` contains view recursion", nil), + ErrNonGroupingFieldUsed: mysql.Message("Non-grouping field '%-.192s' is used in %-.64s clause", nil), + ErrTableCantHandleSpkeys: mysql.Message("The used table type doesn't support SPATIAL indexes", nil), + ErrNoTriggersOnSystemSchema: mysql.Message("Triggers can not be created on system tables", nil), + ErrRemovedSpaces: mysql.Message("Leading spaces are removed from name '%s'", nil), + ErrAutoincReadFailed: mysql.Message("Failed to read auto-increment value from storage engine", nil), + ErrUsername: mysql.Message("user name", nil), + ErrHostname: mysql.Message("host name", nil), + ErrWrongStringLength: mysql.Message("String '%-.70s' is too long for %s (should be no longer than %d)", nil), + ErrNonInsertableTable: mysql.Message("The target table %-.100s of the %s is not insertable-into", nil), + ErrAdminWrongMrgTable: mysql.Message("Table '%-.64s' is differently defined or of non-MyISAM type or doesn't exist", nil), + ErrTooHighLevelOfNestingForSelect: mysql.Message("Too high level of nesting for select", nil), + ErrNameBecomesEmpty: mysql.Message("Name '%-.64s' has become ''", nil), + ErrAmbiguousFieldTerm: mysql.Message("First character of the FIELDS TERMINATED string is ambiguous; please use non-optional and non-empty FIELDS ENCLOSED BY", nil), + ErrForeignServerExists: mysql.Message("The foreign server, %s, you are trying to create already exists.", nil), + ErrForeignServerDoesntExist: mysql.Message("The foreign server name you are trying to reference does not exist. Data source : %-.64s", nil), + ErrIllegalHaCreateOption: mysql.Message("Table storage engine '%-.64s' does not support the create option '%.64s'", nil), + ErrPartitionRequiresValues: mysql.Message("Syntax : %-.64s PARTITIONING requires definition of VALUES %-.64s for each partition", nil), + ErrPartitionWrongValues: mysql.Message("Only %-.64s PARTITIONING can use VALUES %-.64s in partition definition", nil), + ErrPartitionMaxvalue: mysql.Message("MAXVALUE can only be used in last partition definition", nil), + ErrPartitionSubpartition: mysql.Message("Subpartitions can only be hash partitions and by key", nil), + ErrPartitionSubpartMix: mysql.Message("Must define subpartitions on all partitions if on one partition", nil), + ErrPartitionWrongNoPart: mysql.Message("Wrong number of partitions defined, mismatch with previous setting", nil), + ErrPartitionWrongNoSubpart: mysql.Message("Wrong number of subpartitions defined, mismatch with previous setting", nil), + ErrWrongExprInPartitionFunc: mysql.Message("Constant, random or timezone-dependent expressions in (sub)partitioning function are not allowed", nil), + ErrNoConstExprInRangeOrList: mysql.Message("Expression in RANGE/LIST VALUES must be constant", nil), + ErrFieldNotFoundPart: mysql.Message("Field in list of fields for partition function not found in table", nil), + ErrListOfFieldsOnlyInHash: mysql.Message("List of fields is only allowed in KEY partitions", nil), + ErrInconsistentPartitionInfo: mysql.Message("The partition info in the frm file is not consistent with what can be written into the frm file", nil), + ErrPartitionFuncNotAllowed: mysql.Message("The %-.192s function returns the wrong type", nil), + ErrPartitionsMustBeDefined: mysql.Message("For %-.64s partitions each partition must be defined", nil), + ErrRangeNotIncreasing: mysql.Message("VALUES LESS THAN value must be strictly increasing for each partition", nil), + ErrInconsistentTypeOfFunctions: mysql.Message("VALUES value must be of same type as partition function", nil), + ErrMultipleDefConstInListPart: mysql.Message("Multiple definition of same constant in list partitioning", nil), + ErrPartitionEntry: mysql.Message("Partitioning can not be used stand-alone in query", nil), + ErrMixHandler: mysql.Message("The mix of handlers in the partitions is not allowed in this version of MySQL", nil), + ErrPartitionNotDefined: mysql.Message("For the partitioned engine it is necessary to define all %-.64s", nil), + ErrTooManyPartitions: mysql.Message("Too many partitions (including subpartitions) were defined", nil), + ErrSubpartition: mysql.Message("It is only possible to mix RANGE/LIST partitioning with HASH/KEY partitioning for subpartitioning", nil), + ErrCantCreateHandlerFile: mysql.Message("Failed to create specific handler file", nil), + ErrBlobFieldInPartFunc: mysql.Message("A BLOB field is not allowed in partition function", nil), + ErrUniqueKeyNeedAllFieldsInPf: mysql.Message("A %-.192s must include all columns in the table's partitioning function", nil), + ErrNoParts: mysql.Message("Number of %-.64s = 0 is not an allowed value", nil), + ErrPartitionMgmtOnNonpartitioned: mysql.Message("Partition management on a not partitioned table is not possible", nil), + ErrForeignKeyOnPartitioned: mysql.Message("Foreign key clause is not yet supported in conjunction with partitioning", nil), + ErrDropPartitionNonExistent: mysql.Message("Error in list of partitions to %-.64s", nil), + ErrDropLastPartition: mysql.Message("Cannot remove all partitions, use DROP TABLE instead", nil), + ErrCoalesceOnlyOnHashPartition: mysql.Message("COALESCE PARTITION can only be used on HASH/KEY partitions", nil), + ErrReorgHashOnlyOnSameNo: mysql.Message("REORGANIZE PARTITION can only be used to reorganize partitions not to change their numbers", nil), + ErrReorgNoParam: mysql.Message("REORGANIZE PARTITION without parameters can only be used on auto-partitioned tables using HASH PARTITIONs", nil), + ErrOnlyOnRangeListPartition: mysql.Message("%-.64s PARTITION can only be used on RANGE/LIST partitions", nil), + ErrAddPartitionSubpart: mysql.Message("Trying to Add partition(s) with wrong number of subpartitions", nil), + ErrAddPartitionNoNewPartition: mysql.Message("At least one partition must be added", nil), + ErrCoalescePartitionNoPartition: mysql.Message("At least one partition must be coalesced", nil), + ErrReorgPartitionNotExist: mysql.Message("More partitions to reorganize than there are partitions", nil), + ErrSameNamePartition: mysql.Message("Duplicate partition name %-.192s", nil), + ErrNoBinlog: mysql.Message("It is not allowed to shut off binlog on this command", nil), + ErrConsecutiveReorgPartitions: mysql.Message("When reorganizing a set of partitions they must be in consecutive order", nil), + ErrReorgOutsideRange: mysql.Message("Reorganize of range partitions cannot change total ranges except for last partition where it can extend the range", nil), + ErrPartitionFunctionFailure: mysql.Message("Partition function not supported in this version for this handler", nil), + ErrPartState: mysql.Message("Partition state cannot be defined from CREATE/ALTER TABLE", nil), + ErrLimitedPartRange: mysql.Message("The %-.64s handler only supports 32 bit integers in VALUES", nil), + ErrPluginIsNotLoaded: mysql.Message("Plugin '%-.192s' is not loaded", nil), + ErrWrongValue: mysql.Message("Incorrect %-.32s value: '%-.128s'", nil), + ErrNoPartitionForGivenValue: mysql.Message("Table has no partition for value %-.64s", nil), + ErrFilegroupOptionOnlyOnce: mysql.Message("It is not allowed to specify %s more than once", nil), + ErrCreateFilegroupFailed: mysql.Message("Failed to create %s", nil), + ErrDropFilegroupFailed: mysql.Message("Failed to drop %s", nil), + ErrTablespaceAutoExtend: mysql.Message("The handler doesn't support autoextend of tablespaces", nil), + ErrWrongSizeNumber: mysql.Message("A size parameter was incorrectly specified, either number or on the form 10M", nil), + ErrSizeOverflow: mysql.Message("The size number was correct but we don't allow the digit part to be more than 2 billion", nil), + ErrAlterFilegroupFailed: mysql.Message("Failed to alter: %s", nil), + ErrBinlogRowLoggingFailed: mysql.Message("Writing one row to the row-based binary log failed", nil), + ErrEventAlreadyExists: mysql.Message("Event '%-.192s' already exists", nil), + ErrEventStoreFailed: mysql.Message("Failed to store event %s. Error code %d from storage engine.", nil), + ErrEventDoesNotExist: mysql.Message("Unknown event '%-.192s'", nil), + ErrEventCantAlter: mysql.Message("Failed to alter event '%-.192s'", nil), + ErrEventDropFailed: mysql.Message("Failed to drop %s", nil), + ErrEventIntervalNotPositiveOrTooBig: mysql.Message("INTERVAL is either not positive or too big", nil), + ErrEventEndsBeforeStarts: mysql.Message("ENDS is either invalid or before STARTS", nil), + ErrEventExecTimeInThePast: mysql.Message("Event execution time is in the past. Event has been disabled", nil), + ErrEventOpenTableFailed: mysql.Message("Failed to open mysql.event", nil), + ErrEventNeitherMExprNorMAt: mysql.Message("No datetime expression provided", nil), + ErrObsoleteColCountDoesntMatchCorrupted: mysql.Message("Column count of mysql.%s is wrong. Expected %d, found %d. The table is probably corrupted", nil), + ErrObsoleteCannotLoadFromTable: mysql.Message("Cannot load from mysql.%s. The table is probably corrupted", nil), + ErrEventCannotDelete: mysql.Message("Failed to delete the event from mysql.event", nil), + ErrEventCompile: mysql.Message("Error during compilation of event's body", nil), + ErrEventSameName: mysql.Message("Same old and new event name", nil), + ErrEventDataTooLong: mysql.Message("Data for column '%s' too long", nil), + ErrDropIndexFk: mysql.Message("Cannot drop index '%-.192s': needed in a foreign key constraint", nil), + ErrWarnDeprecatedSyntaxWithVer: mysql.Message("The syntax '%s' is deprecated and will be removed in MySQL %s. Please use %s instead", nil), + ErrCantWriteLockLogTable: mysql.Message("You can't write-lock a log table. Only read access is possible", nil), + ErrCantLockLogTable: mysql.Message("You can't use locks with log tables.", nil), + ErrForeignDuplicateKeyOldUnused: mysql.Message("Upholding foreign key constraints for table '%.192s', entry '%-.192s', key %d would lead to a duplicate entry", nil), + ErrColCountDoesntMatchPleaseUpdate: mysql.Message("Column count of mysql.%s is wrong. Expected %d, found %d. Created with MySQL %d, now running %d. Please use mysqlUpgrade to fix this error.", nil), + ErrTempTablePreventsSwitchOutOfRbr: mysql.Message("Cannot switch out of the row-based binary log format when the session has open temporary tables", nil), + ErrStoredFunctionPreventsSwitchBinlogFormat: mysql.Message("Cannot change the binary logging format inside a stored function or trigger", nil), + ErrNdbCantSwitchBinlogFormat: mysql.Message("The NDB cluster engine does not support changing the binlog format on the fly yet", nil), + ErrPartitionNoTemporary: mysql.Message("Cannot create temporary table with partitions", nil), + ErrPartitionConstDomain: mysql.Message("Partition constant is out of partition function domain", nil), + ErrPartitionFunctionIsNotAllowed: mysql.Message("This partition function is not allowed", nil), + ErrDdlLog: mysql.Message("Error in DDL log", nil), + ErrNullInValuesLessThan: mysql.Message("Not allowed to use NULL value in VALUES LESS THAN", nil), + ErrWrongPartitionName: mysql.Message("Incorrect partition name", nil), + ErrCantChangeTxCharacteristics: mysql.Message("Transaction characteristics can't be changed while a transaction is in progress", nil), + ErrDupEntryAutoincrementCase: mysql.Message("ALTER TABLE causes autoIncrement resequencing, resulting in duplicate entry '%-.192s' for key '%-.192s'", nil), + ErrEventModifyQueue: mysql.Message("Internal scheduler error %d", nil), + ErrEventSetVar: mysql.Message("Error during starting/stopping of the scheduler. Error code %d", nil), + ErrPartitionMerge: mysql.Message("Engine cannot be used in partitioned tables", nil), + ErrCantActivateLog: mysql.Message("Cannot activate '%-.64s' log", nil), + ErrRbrNotAvailable: mysql.Message("The server was not built with row-based replication", nil), + ErrBase64Decode: mysql.Message("Decoding of base64 string failed", nil), + ErrEventRecursionForbidden: mysql.Message("Recursion of EVENT DDL statements is forbidden when body is present", nil), + ErrEventsDB: mysql.Message("Cannot proceed because system tables used by Event Scheduler were found damaged at server start", nil), + ErrOnlyIntegersAllowed: mysql.Message("Only integers allowed as number here", nil), + ErrUnsuportedLogEngine: mysql.Message("This storage engine cannot be used for log tables\"", nil), + ErrBadLogStatement: mysql.Message("You cannot '%s' a log table if logging is enabled", nil), + ErrCantRenameLogTable: mysql.Message("Cannot rename '%s'. When logging enabled, rename to/from log table must rename two tables: the log table to an archive table and another table back to '%s'", nil), + ErrWrongParamcountToNativeFct: mysql.Message("Incorrect parameter count in the call to native function '%-.192s'", nil), + ErrWrongParametersToNativeFct: mysql.Message("Incorrect parameters in the call to native function '%-.192s'", nil), + ErrWrongParametersToStoredFct: mysql.Message("Incorrect parameters in the call to stored function '%-.192s'", nil), + ErrNativeFctNameCollision: mysql.Message("This function '%-.192s' has the same name as a native function", nil), + ErrDupEntryWithKeyName: mysql.Message("Duplicate entry '%-.64s' for key '%-.192s'", nil), + ErrBinlogPurgeEmFile: mysql.Message("Too many files opened, please execute the command again", nil), + ErrEventCannotCreateInThePast: mysql.Message("Event execution time is in the past and ON COMPLETION NOT PRESERVE is set. The event was dropped immediately after creation.", nil), + ErrEventCannotAlterInThePast: mysql.Message("Event execution time is in the past and ON COMPLETION NOT PRESERVE is set. The event was not changed. Specify a time in the future.", nil), + ErrNoPartitionForGivenValueSilent: mysql.Message("Table has no partition for some existing values", nil), + ErrBinlogUnsafeStatement: mysql.Message("Unsafe statement written to the binary log using statement format since BINLOGFORMAT = STATEMENT. %s", nil), + ErrBinlogLoggingImpossible: mysql.Message("Binary logging not possible. Message: %s", nil), + ErrViewNoCreationCtx: mysql.Message("View `%-.64s`.`%-.64s` has no creation context", nil), + ErrViewInvalidCreationCtx: mysql.Message("Creation context of view `%-.64s`.`%-.64s' is invalid", nil), + ErrSrInvalidCreationCtx: mysql.Message("Creation context of stored routine `%-.64s`.`%-.64s` is invalid", nil), + ErrTrgCorruptedFile: mysql.Message("Corrupted TRG file for table `%-.64s`.`%-.64s`", nil), + ErrTrgNoCreationCtx: mysql.Message("Triggers for table `%-.64s`.`%-.64s` have no creation context", nil), + ErrTrgInvalidCreationCtx: mysql.Message("Trigger creation context of table `%-.64s`.`%-.64s` is invalid", nil), + ErrEventInvalidCreationCtx: mysql.Message("Creation context of event `%-.64s`.`%-.64s` is invalid", nil), + ErrTrgCantOpenTable: mysql.Message("Cannot open table for trigger `%-.64s`.`%-.64s`", nil), + ErrCantCreateSroutine: mysql.Message("Cannot create stored routine `%-.64s`. Check warnings", nil), + ErrNoFormatDescriptionEventBeforeBinlogStatement: mysql.Message("The BINLOG statement of type `%s` was not preceded by a format description BINLOG statement.", nil), + ErrLoadDataInvalidColumn: mysql.Message("Invalid column reference (%-.64s) in LOAD DATA", nil), + ErrLogPurgeNoFile: mysql.Message("Being purged log %s was not found", nil), + ErrXaRbtimeout: mysql.Message("XARBTIMEOUT: Transaction branch was rolled back: took too long", nil), + ErrXaRbdeadlock: mysql.Message("XARBDEADLOCK: Transaction branch was rolled back: deadlock was detected", nil), + ErrNeedReprepare: mysql.Message("Prepared statement needs to be re-prepared", nil), + ErrDelayedNotSupported: mysql.Message("DELAYED option not supported for table '%-.192s'", nil), + WarnOptionIgnored: mysql.Message("<%-.64s> option ignored", nil), + WarnPluginDeleteBuiltin: mysql.Message("Built-in plugins cannot be deleted", nil), + WarnPluginBusy: mysql.Message("Plugin is busy and will be uninstalled on shutdown", nil), + ErrVariableIsReadonly: mysql.Message("%s variable '%s' is read-only. Use SET %s to assign the value", nil), + ErrWarnEngineTransactionRollback: mysql.Message("Storage engine %s does not support rollback for this statement. Transaction rolled back and must be restarted", nil), + ErrNdbReplicationSchema: mysql.Message("Bad schema for mysql.ndbReplication table. Message: %-.64s", nil), + ErrConflictFnParse: mysql.Message("Error in parsing conflict function. Message: %-.64s", nil), + ErrExceptionsWrite: mysql.Message("Write to exceptions table failed. Message: %-.128s\"", nil), + ErrTooLongTableComment: mysql.Message("Comment for table '%-.64s' is too long (max = %d)", nil), + ErrTooLongFieldComment: mysql.Message("Comment for field '%-.64s' is too long (max = %d)", nil), + ErrFuncInexistentNameCollision: mysql.Message("FUNCTION %s does not exist. Check the 'Function Name Parsing and Resolution' section in the Reference Manual", nil), + ErrDatabaseName: mysql.Message("Database", nil), + ErrTableName: mysql.Message("Table", nil), + ErrPartitionName: mysql.Message("Partition", nil), + ErrSubpartitionName: mysql.Message("Subpartition", nil), + ErrTemporaryName: mysql.Message("Temporary", nil), + ErrRenamedName: mysql.Message("Renamed", nil), + ErrTooManyConcurrentTrxs: mysql.Message("Too many active concurrent transactions", nil), + WarnNonASCIISeparatorNotImplemented: mysql.Message("Non-ASCII separator arguments are not fully supported", nil), + ErrDebugSyncTimeout: mysql.Message("debug sync point wait timed out", nil), + ErrDebugSyncHitLimit: mysql.Message("debug sync point hit limit reached", nil), + ErrDupSignalSet: mysql.Message("Duplicate condition information item '%s'", nil), + ErrSignalWarn: mysql.Message("Unhandled user-defined warning condition", nil), + ErrSignalNotFound: mysql.Message("Unhandled user-defined not found condition", nil), + ErrSignalException: mysql.Message("Unhandled user-defined exception condition", nil), + ErrResignalWithoutActiveHandler: mysql.Message("RESIGNAL when handler not active", nil), + ErrSignalBadConditionType: mysql.Message("SIGNAL/RESIGNAL can only use a CONDITION defined with SQLSTATE", nil), + WarnCondItemTruncated: mysql.Message("Data truncated for condition item '%s'", nil), + ErrCondItemTooLong: mysql.Message("Data too long for condition item '%s'", nil), + ErrUnknownLocale: mysql.Message("Unknown locale: '%-.64s'", nil), + ErrQueryCacheDisabled: mysql.Message("Query cache is disabled; restart the server with queryCacheType=1 to enable it", nil), + ErrSameNamePartitionField: mysql.Message("Duplicate partition field name '%-.192s'", nil), + ErrPartitionColumnList: mysql.Message("Inconsistency in usage of column lists for partitioning", nil), + ErrWrongTypeColumnValue: mysql.Message("Partition column values of incorrect type", nil), + ErrTooManyPartitionFuncFields: mysql.Message("Too many fields in '%-.192s'", nil), + ErrMaxvalueInValuesIn: mysql.Message("Cannot use MAXVALUE as value in VALUES IN", nil), + ErrTooManyValues: mysql.Message("Cannot have more than one value for this type of %-.64s partitioning", nil), + ErrRowSinglePartitionField: mysql.Message("Row expressions in VALUES IN only allowed for multi-field column partitioning", nil), + ErrFieldTypeNotAllowedAsPartitionField: mysql.Message("Field '%-.192s' is of a not allowed type for this type of partitioning", nil), + ErrPartitionFieldsTooLong: mysql.Message("The total length of the partitioning fields is too large", nil), + ErrBinlogRowEngineAndStmtEngine: mysql.Message("Cannot execute statement: impossible to write to binary log since both row-incapable engines and statement-incapable engines are involved.", nil), + ErrBinlogRowModeAndStmtEngine: mysql.Message("Cannot execute statement: impossible to write to binary log since BINLOGFORMAT = ROW and at least one table uses a storage engine limited to statement-based logging.", nil), + ErrBinlogUnsafeAndStmtEngine: mysql.Message("Cannot execute statement: impossible to write to binary log since statement is unsafe, storage engine is limited to statement-based logging, and BINLOGFORMAT = MIXED. %s", nil), + ErrBinlogRowInjectionAndStmtEngine: mysql.Message("Cannot execute statement: impossible to write to binary log since statement is in row format and at least one table uses a storage engine limited to statement-based logging.", nil), + ErrBinlogStmtModeAndRowEngine: mysql.Message("Cannot execute statement: impossible to write to binary log since BINLOGFORMAT = STATEMENT and at least one table uses a storage engine limited to row-based logging.%s", nil), + ErrBinlogRowInjectionAndStmtMode: mysql.Message("Cannot execute statement: impossible to write to binary log since statement is in row format and BINLOGFORMAT = STATEMENT.", nil), + ErrBinlogMultipleEnginesAndSelfLoggingEngine: mysql.Message("Cannot execute statement: impossible to write to binary log since more than one engine is involved and at least one engine is self-logging.", nil), + ErrBinlogUnsafeLimit: mysql.Message("The statement is unsafe because it uses a LIMIT clause. This is unsafe because the set of rows included cannot be predicted.", nil), + ErrBinlogUnsafeInsertDelayed: mysql.Message("The statement is unsafe because it uses INSERT DELAYED. This is unsafe because the times when rows are inserted cannot be predicted.", nil), + ErrBinlogUnsafeAutoincColumns: mysql.Message("Statement is unsafe because it invokes a trigger or a stored function that inserts into an AUTOINCREMENT column. Inserted values cannot be logged correctly.", nil), + ErrBinlogUnsafeNontransAfterTrans: mysql.Message("Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction.", nil), + ErrMessageAndStatement: mysql.Message("%s Statement: %s", nil), + ErrInsideTransactionPreventsSwitchBinlogFormat: mysql.Message("Cannot modify @@session.binlogFormat inside a transaction", nil), + ErrPathLength: mysql.Message("The path specified for %.64s is too long.", nil), + ErrWarnDeprecatedSyntaxNoReplacement: mysql.Message("'%s' is deprecated and will be removed in a future release.", nil), + ErrWrongNativeTableStructure: mysql.Message("Native table '%-.64s'.'%-.64s' has the wrong structure", nil), + ErrWrongPerfSchemaUsage: mysql.Message("Invalid performanceSchema usage.", nil), + ErrWarnISSkippedTable: mysql.Message("Table '%s'.'%s' was skipped since its definition is being modified by concurrent DDL statement", nil), + ErrInsideTransactionPreventsSwitchBinlogDirect: mysql.Message("Cannot modify @@session.binlogDirectNonTransactionalUpdates inside a transaction", nil), + ErrStoredFunctionPreventsSwitchBinlogDirect: mysql.Message("Cannot change the binlog direct flag inside a stored function or trigger", nil), + ErrSpatialMustHaveGeomCol: mysql.Message("A SPATIAL index may only contain a geometrical type column", nil), + ErrTooLongIndexComment: mysql.Message("Comment for index '%-.64s' is too long (max = %d)", nil), + ErrLockAborted: mysql.Message("Wait on a lock was aborted due to a pending exclusive lock", nil), + ErrDataOutOfRange: mysql.Message("%s value is out of range in '%s'", nil), + ErrWrongSpvarTypeInLimit: mysql.Message("A variable of a non-integer based type in LIMIT clause", nil), + ErrBinlogUnsafeMultipleEnginesAndSelfLoggingEngine: mysql.Message("Mixing self-logging and non-self-logging engines in a statement is unsafe.", nil), + ErrBinlogUnsafeMixedStatement: mysql.Message("Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them.", nil), + ErrInsideTransactionPreventsSwitchSQLLogBin: mysql.Message("Cannot modify @@session.sqlLogBin inside a transaction", nil), + ErrStoredFunctionPreventsSwitchSQLLogBin: mysql.Message("Cannot change the sqlLogBin inside a stored function or trigger", nil), + ErrFailedReadFromParFile: mysql.Message("Failed to read from the .par file", nil), + ErrValuesIsNotIntType: mysql.Message("VALUES value for partition '%-.64s' must have type INT", nil), + ErrAccessDeniedNoPassword: mysql.Message("Access denied for user '%-.48s'@'%-.64s'", nil), + ErrSetPasswordAuthPlugin: mysql.Message("SET PASSWORD has no significance for users authenticating via plugins", nil), + ErrGrantPluginUserExists: mysql.Message("GRANT with IDENTIFIED WITH is illegal because the user %-.*s already exists", nil), + ErrTruncateIllegalFk: mysql.Message("Cannot truncate a table referenced in a foreign key constraint (%.192s)", nil), + ErrPluginIsPermanent: mysql.Message("Plugin '%s' is forcePlusPermanent and can not be unloaded", nil), + ErrStmtCacheFull: mysql.Message("Multi-row statements required more than 'maxBinlogStmtCacheSize' bytes of storage; increase this mysqld variable and try again", nil), + ErrMultiUpdateKeyConflict: mysql.Message("Primary key/partition key update is not allowed since the table is updated both as '%-.192s' and '%-.192s'.", nil), + ErrTableNeedsRebuild: mysql.Message("Table rebuild required. Please do \"ALTER TABLE `%-.32s` FORCE\" or dump/reload to fix it!", nil), + WarnOptionBelowLimit: mysql.Message("The value of '%s' should be no less than the value of '%s'", nil), + ErrIndexColumnTooLong: mysql.Message("Index column size too large. The maximum column size is %d bytes.", nil), + ErrErrorInTriggerBody: mysql.Message("Trigger '%-.64s' has an error in its body: '%-.256s'", nil), + ErrErrorInUnknownTriggerBody: mysql.Message("Unknown trigger has an error in its body: '%-.256s'", nil), + ErrIndexCorrupt: mysql.Message("Index %s is corrupted", nil), + ErrUndoRecordTooBig: mysql.Message("Undo log record is too big.", nil), + ErrPluginNoUninstall: mysql.Message("Plugin '%s' is marked as not dynamically uninstallable. You have to stop the server to uninstall it.", nil), + ErrPluginNoInstall: mysql.Message("Plugin '%s' is marked as not dynamically installable. You have to stop the server to install it.", nil), + ErrBinlogUnsafeInsertTwoKeys: mysql.Message("INSERT... ON DUPLICATE KEY UPDATE on a table with more than one UNIQUE KEY is unsafe", nil), + ErrTableInFkCheck: mysql.Message("Table is being used in foreign key check.", nil), + ErrUnsupportedEngine: mysql.Message("Storage engine '%s' does not support system tables. [%s.%s]", nil), + ErrBinlogUnsafeAutoincNotFirst: mysql.Message("INSERT into autoincrement field which is not the first part in the composed primary key is unsafe.", nil), + ErrCannotLoadFromTableV2: mysql.Message("Cannot load from %s.%s. The table is probably corrupted", nil), + ErrOnlyFdAndRbrEventsAllowedInBinlogStatement: mysql.Message("Only FormatDescriptionLogEvent and row events are allowed in BINLOG statements (but %s was provided)", nil), + ErrPartitionExchangeDifferentOption: mysql.Message("Non matching attribute '%-.64s' between partition and table", nil), + ErrPartitionExchangePartTable: mysql.Message("Table to exchange with partition is partitioned: '%-.64s'", nil), + ErrPartitionExchangeTempTable: mysql.Message("Table to exchange with partition is temporary: '%-.64s'", nil), + ErrPartitionInsteadOfSubpartition: mysql.Message("Subpartitioned table, use subpartition instead of partition", nil), + ErrUnknownPartition: mysql.Message("Unknown partition '%-.64s' in table '%-.64s'", nil), + ErrTablesDifferentMetadata: mysql.Message("Tables have different definitions", nil), + ErrRowDoesNotMatchPartition: mysql.Message("Found a row that does not match the partition", nil), + ErrBinlogCacheSizeGreaterThanMax: mysql.Message("Option binlogCacheSize (%d) is greater than maxBinlogCacheSize (%d); setting binlogCacheSize equal to maxBinlogCacheSize.", nil), + ErrWarnIndexNotApplicable: mysql.Message("Cannot use %-.64s access on index '%-.64s' due to type or collation conversion on field '%-.64s'", nil), + ErrPartitionExchangeForeignKey: mysql.Message("Table to exchange with partition has foreign key references: '%-.64s'", nil), + ErrNoSuchKeyValue: mysql.Message("Key value '%-.192s' was not found in table '%-.192s.%-.192s'", nil), + ErrRplInfoDataTooLong: mysql.Message("Data for column '%s' too long", nil), + ErrNetworkReadEventChecksumFailure: mysql.Message("Replication event checksum verification failed while reading from network.", nil), + ErrBinlogReadEventChecksumFailure: mysql.Message("Replication event checksum verification failed while reading from a log file.", nil), + ErrBinlogStmtCacheSizeGreaterThanMax: mysql.Message("Option binlogStmtCacheSize (%d) is greater than maxBinlogStmtCacheSize (%d); setting binlogStmtCacheSize equal to maxBinlogStmtCacheSize.", nil), + ErrCantUpdateTableInCreateTableSelect: mysql.Message("Can't update table '%-.192s' while '%-.192s' is being created.", nil), + ErrPartitionClauseOnNonpartitioned: mysql.Message("PARTITION () clause on non partitioned table", nil), + ErrRowDoesNotMatchGivenPartitionSet: mysql.Message("Found a row not matching the given partition set", nil), + ErrNoSuchPartitionunused: mysql.Message("partition '%-.64s' doesn't exist", nil), + ErrChangeRplInfoRepositoryFailure: mysql.Message("Failure while changing the type of replication repository: %s.", nil), + ErrWarningNotCompleteRollbackWithCreatedTempTable: mysql.Message("The creation of some temporary tables could not be rolled back.", nil), + ErrWarningNotCompleteRollbackWithDroppedTempTable: mysql.Message("Some temporary tables were dropped, but these operations could not be rolled back.", nil), + ErrMtsUpdatedDBsGreaterMax: mysql.Message("The number of modified databases exceeds the maximum %d; the database names will not be included in the replication event metadata.", nil), + ErrMtsCantParallel: mysql.Message("Cannot execute the current event group in the parallel mode. Encountered event %s, relay-log name %s, position %s which prevents execution of this event group in parallel mode. Reason: %s.", nil), + ErrMtsInconsistentData: mysql.Message("%s", nil), + ErrFulltextNotSupportedWithPartitioning: mysql.Message("FULLTEXT index is not supported for partitioned tables.", nil), + ErrDaInvalidConditionNumber: mysql.Message("Invalid condition number", nil), + ErrInsecurePlainText: mysql.Message("Sending passwords in plain text without SSL/TLS is extremely insecure.", nil), + ErrForeignDuplicateKeyWithChildInfo: mysql.Message("Foreign key constraint for table '%.192s', record '%-.192s' would lead to a duplicate entry in table '%.192s', key '%.192s'", nil), + ErrForeignDuplicateKeyWithoutChildInfo: mysql.Message("Foreign key constraint for table '%.192s', record '%-.192s' would lead to a duplicate entry in a child table", nil), + ErrTableHasNoFt: mysql.Message("The table does not have FULLTEXT index to support this query", nil), + ErrVariableNotSettableInSfOrTrigger: mysql.Message("The system variable %.200s cannot be set in stored functions or triggers.", nil), + ErrVariableNotSettableInTransaction: mysql.Message("The system variable %.200s cannot be set when there is an ongoing transaction.", nil), + ErrGtidNextIsNotInGtidNextList: mysql.Message("The system variable @@SESSION.GTIDNEXT has the value %.200s, which is not listed in @@SESSION.GTIDNEXTLIST.", nil), + ErrCantChangeGtidNextInTransactionWhenGtidNextListIsNull: mysql.Message("When @@SESSION.GTIDNEXTLIST == NULL, the system variable @@SESSION.GTIDNEXT cannot change inside a transaction.", nil), + ErrSetStatementCannotInvokeFunction: mysql.Message("The statement 'SET %.200s' cannot invoke a stored function.", nil), + ErrGtidNextCantBeAutomaticIfGtidNextListIsNonNull: mysql.Message("The system variable @@SESSION.GTIDNEXT cannot be 'AUTOMATIC' when @@SESSION.GTIDNEXTLIST is non-NULL.", nil), + ErrSkippingLoggedTransaction: mysql.Message("Skipping transaction %.200s because it has already been executed and logged.", nil), + ErrMalformedGtidSetSpecification: mysql.Message("Malformed GTID set specification '%.200s'.", nil), + ErrMalformedGtidSetEncoding: mysql.Message("Malformed GTID set encoding.", nil), + ErrMalformedGtidSpecification: mysql.Message("Malformed GTID specification '%.200s'.", nil), + ErrGnoExhausted: mysql.Message("Impossible to generate Global Transaction Identifier: the integer component reached the maximal value. Restart the server with a new serverUuid.", nil), + ErrCantDoImplicitCommitInTrxWhenGtidNextIsSet: mysql.Message("Cannot execute statements with implicit commit inside a transaction when @@SESSION.GTIDNEXT != AUTOMATIC or @@SESSION.GTIDNEXTLIST != NULL.", nil), + ErrGtidMode2Or3RequiresEnforceGtidConsistencyOn: mysql.Message("@@GLOBAL.GTIDMODE = ON or UPGRADESTEP2 requires @@GLOBAL.ENFORCEGTIDCONSISTENCY = 1.", nil), + ErrCantSetGtidNextToGtidWhenGtidModeIsOff: mysql.Message("@@SESSION.GTIDNEXT cannot be set to UUID:NUMBER when @@GLOBAL.GTIDMODE = OFF.", nil), + ErrCantSetGtidNextToAnonymousWhenGtidModeIsOn: mysql.Message("@@SESSION.GTIDNEXT cannot be set to ANONYMOUS when @@GLOBAL.GTIDMODE = ON.", nil), + ErrCantSetGtidNextListToNonNullWhenGtidModeIsOff: mysql.Message("@@SESSION.GTIDNEXTLIST cannot be set to a non-NULL value when @@GLOBAL.GTIDMODE = OFF.", nil), + ErrFoundGtidEventWhenGtidModeIsOff: mysql.Message("Found a GtidLogEvent or PreviousGtidsLogEvent when @@GLOBAL.GTIDMODE = OFF.", nil), + ErrGtidUnsafeNonTransactionalTable: mysql.Message("When @@GLOBAL.ENFORCEGTIDCONSISTENCY = 1, updates to non-transactional tables can only be done in either autocommitted statements or single-statement transactions, and never in the same statement as updates to transactional tables.", nil), + ErrGtidUnsafeCreateSelect: mysql.Message("CREATE TABLE ... SELECT is forbidden when @@GLOBAL.ENFORCEGTIDCONSISTENCY = 1.", nil), + ErrGtidUnsafeCreateDropTemporaryTableInTransaction: mysql.Message("When @@GLOBAL.ENFORCEGTIDCONSISTENCY = 1, the statements CREATE TEMPORARY TABLE and DROP TEMPORARY TABLE can be executed in a non-transactional context only, and require that AUTOCOMMIT = 1.", nil), + ErrGtidModeCanOnlyChangeOneStepAtATime: mysql.Message("The value of @@GLOBAL.GTIDMODE can only change one step at a time: OFF <-> UPGRADESTEP1 <-> UPGRADESTEP2 <-> ON. Also note that this value must be stepped up or down simultaneously on all servers; see the Manual for instructions.", nil), + ErrCantSetGtidNextWhenOwningGtid: mysql.Message("@@SESSION.GTIDNEXT cannot be changed by a client that owns a GTID. The client owns %s. Ownership is released on COMMIT or ROLLBACK.", nil), + ErrUnknownExplainFormat: mysql.Message("Unknown EXPLAIN format name: '%s'", nil), + ErrCantExecuteInReadOnlyTransaction: mysql.Message("Cannot execute statement in a READ ONLY transaction.", nil), + ErrTooLongTablePartitionComment: mysql.Message("Comment for table partition '%-.64s' is too long (max = %d)", nil), + ErrInnodbFtLimit: mysql.Message("InnoDB presently supports one FULLTEXT index creation at a time", nil), + ErrInnodbNoFtTempTable: mysql.Message("Cannot create FULLTEXT index on temporary InnoDB table", nil), + ErrInnodbFtWrongDocidColumn: mysql.Message("Column '%-.192s' is of wrong type for an InnoDB FULLTEXT index", nil), + ErrInnodbFtWrongDocidIndex: mysql.Message("Index '%-.192s' is of wrong type for an InnoDB FULLTEXT index", nil), + ErrInnodbOnlineLogTooBig: mysql.Message("Creating index '%-.192s' required more than 'innodbOnlineAlterLogMaxSize' bytes of modification log. Please try again.", nil), + ErrUnknownAlterAlgorithm: mysql.Message("Unknown ALGORITHM '%s'", nil), + ErrUnknownAlterLock: mysql.Message("Unknown LOCK type '%s'", nil), + ErrMtsResetWorkers: mysql.Message("Cannot clean up worker info tables. Additional error messages can be found in the MySQL error log.", nil), + ErrColCountDoesntMatchCorruptedV2: mysql.Message("Column count of %s.%s is wrong. Expected %d, found %d. The table is probably corrupted", nil), + ErrDiscardFkChecksRunning: mysql.Message("There is a foreign key check running on table '%-.192s'. Cannot discard the table.", nil), + ErrTableSchemaMismatch: mysql.Message("Schema mismatch (%s)", nil), + ErrTableInSystemTablespace: mysql.Message("Table '%-.192s' in system tablespace", nil), + ErrIoRead: mysql.Message("IO Read : (%d, %s) %s", nil), + ErrIoWrite: mysql.Message("IO Write : (%d, %s) %s", nil), + ErrTablespaceMissing: mysql.Message("Tablespace is missing for table '%-.192s'", nil), + ErrTablespaceExists: mysql.Message("Tablespace for table '%-.192s' exists. Please DISCARD the tablespace before IMPORT.", nil), + ErrTablespaceDiscarded: mysql.Message("Tablespace has been discarded for table '%-.192s'", nil), + ErrInternal: mysql.Message("Internal : %s", nil), + ErrInnodbImport: mysql.Message("ALTER TABLE '%-.192s' IMPORT TABLESPACE failed with error %d : '%s'", nil), + ErrInnodbIndexCorrupt: mysql.Message("Index corrupt: %s", nil), + ErrInvalidYearColumnLength: mysql.Message("Supports only YEAR or YEAR(4) column", nil), + ErrNotValidPassword: mysql.Message("Your password does not satisfy the current policy requirements", nil), + ErrMustChangePassword: mysql.Message("You must SET PASSWORD before executing this statement", nil), + ErrFkNoIndexChild: mysql.Message("Failed to add the foreign key constaint. Missing index for constraint '%s' in the foreign table '%s'", nil), + ErrFkNoIndexParent: mysql.Message("Failed to add the foreign key constaint. Missing index for constraint '%s' in the referenced table '%s'", nil), + ErrFkFailAddSystem: mysql.Message("Failed to add the foreign key constraint '%s' to system tables", nil), + ErrFkCannotOpenParent: mysql.Message("Failed to open the referenced table '%s'", nil), + ErrFkIncorrectOption: mysql.Message("Failed to add the foreign key constraint on table '%s'. Incorrect options in FOREIGN KEY constraint '%s'", nil), + ErrFkDupName: mysql.Message("Duplicate foreign key constraint name '%s'", nil), + ErrPasswordFormat: mysql.Message("The password hash doesn't have the expected format. Check if the correct password algorithm is being used with the PASSWORD() function.", nil), + ErrFkColumnCannotDrop: mysql.Message("Cannot drop column '%-.192s': needed in a foreign key constraint '%-.192s'", nil), + ErrFkColumnCannotDropChild: mysql.Message("Cannot drop column '%-.192s': needed in a foreign key constraint '%-.192s' of table '%-.192s'", nil), + ErrFkColumnNotNull: mysql.Message("Column '%-.192s' cannot be NOT NULL: needed in a foreign key constraint '%-.192s' SET NULL", nil), + ErrDupIndex: mysql.Message("Duplicate index '%-.64s' defined on the table '%-.64s.%-.64s'. This is deprecated and will be disallowed in a future release.", nil), + ErrFkColumnCannotChange: mysql.Message("Cannot change column '%-.192s': used in a foreign key constraint '%-.192s'", nil), + ErrFkColumnCannotChangeChild: mysql.Message("Cannot change column '%-.192s': used in a foreign key constraint '%-.192s' of table '%-.192s'", nil), + ErrFkCannotDeleteParent: mysql.Message("Cannot delete rows from table which is parent in a foreign key constraint '%-.192s' of table '%-.192s'", nil), + ErrMalformedPacket: mysql.Message("Malformed communication packet.", nil), + ErrReadOnlyMode: mysql.Message("Running in read-only mode", nil), + ErrVariableNotSettableInSp: mysql.Message("The system variable %.200s cannot be set in stored procedures.", nil), + ErrCantSetGtidPurgedWhenGtidModeIsOff: mysql.Message("@@GLOBAL.GTIDPURGED can only be set when @@GLOBAL.GTIDMODE = ON.", nil), + ErrCantSetGtidPurgedWhenGtidExecutedIsNotEmpty: mysql.Message("@@GLOBAL.GTIDPURGED can only be set when @@GLOBAL.GTIDEXECUTED is empty.", nil), + ErrCantSetGtidPurgedWhenOwnedGtidsIsNotEmpty: mysql.Message("@@GLOBAL.GTIDPURGED can only be set when there are no ongoing transactions (not even in other clients).", nil), + ErrGtidPurgedWasChanged: mysql.Message("@@GLOBAL.GTIDPURGED was changed from '%s' to '%s'.", nil), + ErrGtidExecutedWasChanged: mysql.Message("@@GLOBAL.GTIDEXECUTED was changed from '%s' to '%s'.", nil), + ErrBinlogStmtModeAndNoReplTables: mysql.Message("Cannot execute statement: impossible to write to binary log since BINLOGFORMAT = STATEMENT, and both replicated and non replicated tables are written to.", nil), + ErrAlterOperationNotSupported: mysql.Message("%s is not supported for this operation. Try %s.", nil), + ErrAlterOperationNotSupportedReason: mysql.Message("%s is not supported. Reason: %s. Try %s.", nil), + ErrAlterOperationNotSupportedReasonCopy: mysql.Message("COPY algorithm requires a lock", nil), + ErrAlterOperationNotSupportedReasonPartition: mysql.Message("Partition specific operations do not yet support LOCK/ALGORITHM", nil), + ErrAlterOperationNotSupportedReasonFkRename: mysql.Message("Columns participating in a foreign key are renamed", nil), + ErrAlterOperationNotSupportedReasonColumnType: mysql.Message("Cannot change column type INPLACE", nil), + ErrAlterOperationNotSupportedReasonFkCheck: mysql.Message("Adding foreign keys needs foreignKeyChecks=OFF", nil), + ErrAlterOperationNotSupportedReasonIgnore: mysql.Message("Creating unique indexes with IGNORE requires COPY algorithm to remove duplicate rows", nil), + ErrAlterOperationNotSupportedReasonNopk: mysql.Message("Dropping a primary key is not allowed without also adding a new primary key", nil), + ErrAlterOperationNotSupportedReasonAutoinc: mysql.Message("Adding an auto-increment column requires a lock", nil), + ErrAlterOperationNotSupportedReasonHiddenFts: mysql.Message("Cannot replace hidden FTSDOCID with a user-visible one", nil), + ErrAlterOperationNotSupportedReasonChangeFts: mysql.Message("Cannot drop or rename FTSDOCID", nil), + ErrAlterOperationNotSupportedReasonFts: mysql.Message("Fulltext index creation requires a lock", nil), + ErrDupUnknownInIndex: mysql.Message("Duplicate entry for key '%-.192s'", nil), + ErrIdentCausesTooLongPath: mysql.Message("Long database name and identifier for object resulted in path length exceeding %d characters. Path: '%s'.", nil), + ErrAlterOperationNotSupportedReasonNotNull: mysql.Message("cannot silently convert NULL values, as required in this SQLMODE", nil), + ErrMustChangePasswordLogin: mysql.Message("Your password has expired. To log in you must change it using a client that supports expired passwords.", nil), + ErrRowInWrongPartition: mysql.Message("Found a row in wrong partition %s", nil), + ErrGeneratedColumnFunctionIsNotAllowed: mysql.Message("Expression of generated column '%s' contains a disallowed function.", nil), + ErrGeneratedColumnRowValueIsNotAllowed: mysql.Message("Expression of generated column '%s' cannot refer to a row value", nil), + ErrUnsupportedAlterInplaceOnVirtualColumn: mysql.Message("INPLACE ADD or DROP of virtual columns cannot be combined with other ALTER TABLE actions.", nil), + ErrWrongFKOptionForGeneratedColumn: mysql.Message("Cannot define foreign key with %s clause on a generated column.", nil), + ErrBadGeneratedColumn: mysql.Message("The value specified for generated column '%s' in table '%s' is not allowed.", nil), + ErrUnsupportedOnGeneratedColumn: mysql.Message("'%s' is not supported for generated columns.", nil), + ErrGeneratedColumnNonPrior: mysql.Message("Generated column can refer only to generated columns defined prior to it.", nil), + ErrDependentByGeneratedColumn: mysql.Message("Column '%s' has a generated column dependency.", nil), + ErrGeneratedColumnRefAutoInc: mysql.Message("Generated column '%s' cannot refer to auto-increment column.", nil), + ErrWarnConflictingHint: mysql.Message("Hint %s is ignored as conflicting/duplicated.", nil), + ErrInvalidFieldSize: mysql.Message("Invalid size for column '%s'.", nil), + ErrInvalidArgumentForLogarithm: mysql.Message("Invalid argument for logarithm", nil), + ErrIncorrectType: mysql.Message("Incorrect type for argument %s in function %s.", nil), + ErrInvalidJSONData: mysql.Message("Invalid JSON data provided to function %s: %s", nil), + ErrInvalidJSONText: mysql.Message("Invalid JSON text: %-.192s", nil), + ErrInvalidJSONPath: mysql.Message("Invalid JSON path expression %s.", nil), + ErrInvalidTypeForJSON: mysql.Message("Invalid data type for JSON data in argument %d to function %s; a JSON string or JSON type is required.", nil), + ErrInvalidJSONPathWildcard: mysql.Message("In this situation, path expressions may not contain the * and ** tokens.", nil), + ErrInvalidJSONContainsPathType: mysql.Message("The second argument can only be either 'one' or 'all'.", nil), + ErrJSONUsedAsKey: mysql.Message("JSON column '%-.192s' cannot be used in key specification.", nil), + ErrJSONDocumentNULLKey: mysql.Message("JSON documents may not contain NULL member names.", nil), + ErrSecureTransportRequired: mysql.Message("Connections using insecure transport are prohibited while --require_secure_transport=ON.", nil), + ErrBadUser: mysql.Message("User %s does not exist.", nil), + ErrUserAlreadyExists: mysql.Message("User %s already exists.", nil), + ErrInvalidJSONPathArrayCell: mysql.Message("A path expression is not a path to a cell in an array.", nil), + ErrInvalidEncryptionOption: mysql.Message("Invalid encryption option.", nil), + ErrPKIndexCantBeInvisible: mysql.Message("A primary key index cannot be invisible", nil), + ErrWindowNoSuchWindow: mysql.Message("Window name '%s' is not defined.", nil), + ErrWindowCircularityInWindowGraph: mysql.Message("There is a circularity in the window dependency graph.", nil), + ErrWindowNoChildPartitioning: mysql.Message("A window which depends on another cannot define partitioning.", nil), + ErrWindowNoInherentFrame: mysql.Message("Window '%s' has a frame definition, so cannot be referenced by another window.", nil), + ErrWindowNoRedefineOrderBy: mysql.Message("Window '%s' cannot inherit '%s' since both contain an ORDER BY clause.", nil), + ErrWindowFrameStartIllegal: mysql.Message("Window '%s': frame start cannot be UNBOUNDED FOLLOWING.", nil), + ErrWindowFrameEndIllegal: mysql.Message("Window '%s': frame end cannot be UNBOUNDED PRECEDING.", nil), + ErrWindowFrameIllegal: mysql.Message("Window '%s': frame start or end is negative, NULL or of non-integral type", nil), + ErrWindowRangeFrameOrderType: mysql.Message("Window '%s' with RANGE N PRECEDING/FOLLOWING frame requires exactly one ORDER BY expression, of numeric or temporal type", nil), + ErrWindowRangeFrameTemporalType: mysql.Message("Window '%s' with RANGE frame has ORDER BY expression of datetime type. Only INTERVAL bound value allowed.", nil), + ErrWindowRangeFrameNumericType: mysql.Message("Window '%s' with RANGE frame has ORDER BY expression of numeric type, INTERVAL bound value not allowed.", nil), + ErrWindowRangeBoundNotConstant: mysql.Message("Window '%s' has a non-constant frame bound.", nil), + ErrWindowDuplicateName: mysql.Message("Window '%s' is defined twice.", nil), + ErrWindowIllegalOrderBy: mysql.Message("Window '%s': ORDER BY or PARTITION BY uses legacy position indication which is not supported, use expression.", nil), + ErrWindowInvalidWindowFuncUse: mysql.Message("You cannot use the window function '%s' in this context.'", nil), + ErrWindowInvalidWindowFuncAliasUse: mysql.Message("You cannot use the alias '%s' of an expression containing a window function in this context.'", nil), + ErrWindowNestedWindowFuncUseInWindowSpec: mysql.Message("You cannot nest a window function in the specification of window '%s'.", nil), + ErrWindowRowsIntervalUse: mysql.Message("Window '%s': INTERVAL can only be used with RANGE frames.", nil), + ErrWindowNoGroupOrderUnused: mysql.Message("ASC or DESC with GROUP BY isn't allowed with window functions; put ASC or DESC in ORDER BY", nil), + ErrWindowExplainJSON: mysql.Message("To get information about window functions use EXPLAIN FORMAT=JSON", nil), + ErrWindowFunctionIgnoresFrame: mysql.Message("Window function '%s' ignores the frame clause of window '%s' and aggregates over the whole partition", nil), + ErrRoleNotGranted: mysql.Message("%s is is not granted to %s", nil), + ErrMaxExecTimeExceeded: mysql.Message("Query execution was interrupted, max_execution_time exceeded.", nil), + ErrLockAcquireFailAndNoWaitSet: mysql.Message("Statement aborted because lock(s) could not be acquired immediately and NOWAIT is set.", nil), + ErrDataTruncatedFunctionalIndex: mysql.Message("Data truncated for expression index '%s' at row %d", nil), + ErrDataOutOfRangeFunctionalIndex: mysql.Message("Value is out of range for expression index '%s' at row %d", nil), + ErrFunctionalIndexOnJSONOrGeometryFunction: mysql.Message("Cannot create an expression index on a function that returns a JSON or GEOMETRY value", nil), + ErrFunctionalIndexRefAutoIncrement: mysql.Message("Expression index '%s' cannot refer to an auto-increment column", nil), + ErrCannotDropColumnFunctionalIndex: mysql.Message("Cannot drop column '%s' because it is used by an expression index. In order to drop the column, you must remove the expression index", nil), + ErrFunctionalIndexPrimaryKey: mysql.Message("The primary key cannot be an expression index", nil), + ErrFunctionalIndexOnLob: mysql.Message("Cannot create an expression index on an expression that returns a BLOB or TEXT. Please consider using CAST", nil), + ErrFunctionalIndexFunctionIsNotAllowed: mysql.Message("Expression of expression index '%s' contains a disallowed function", nil), + ErrFulltextFunctionalIndex: mysql.Message("Fulltext expression index is not supported", nil), + ErrSpatialFunctionalIndex: mysql.Message("Spatial expression index is not supported", nil), + ErrWrongKeyColumnFunctionalIndex: mysql.Message("The used storage engine cannot index the expression '%s'", nil), + ErrFunctionalIndexOnField: mysql.Message("Expression index on a column is not supported. Consider using a regular index instead", nil), + ErrFKIncompatibleColumns: mysql.Message("Referencing column '%s' in foreign key constraint '%s' are incompatible", nil), + ErrFunctionalIndexRowValueIsNotAllowed: mysql.Message("Expression of expression index '%s' cannot refer to a row value", nil), + ErrDependentByFunctionalIndex: mysql.Message("Column '%s' has an expression index dependency and cannot be dropped or renamed", nil), + ErrInvalidJSONValueForFuncIndex: mysql.Message("Invalid JSON value for CAST for expression index '%s'", nil), + ErrJSONValueOutOfRangeForFuncIndex: mysql.Message("Out of range JSON value for CAST for expression index '%s'", nil), + ErrFunctionalIndexDataIsTooLong: mysql.Message("Data too long for expression index '%s'", nil), + ErrFunctionalIndexNotApplicable: mysql.Message("Cannot use expression index '%s' due to type or collation conversion", nil), + ErrUnsupportedConstraintCheck: mysql.Message("%s is not supported", nil), // MariaDB errors. - ErrOnlyOneDefaultPartionAllowed: "Only one DEFAULT partition allowed", - ErrWrongPartitionTypeExpectedSystemTime: "Wrong partitioning type, expected type: `SYSTEM_TIME`", - ErrSystemVersioningWrongPartitions: "Wrong Partitions: must have at least one HISTORY and exactly one last CURRENT", - ErrSequenceRunOut: "Sequence '%-.64s.%-.64s' has run out", - ErrSequenceInvalidData: "Sequence '%-.64s.%-.64s' values are conflicting", - ErrSequenceAccessFail: "Sequence '%-.64s.%-.64s' access error", - ErrNotSequence: "'%-.64s.%-.64s' is not a SEQUENCE", - ErrUnknownSequence: "Unknown SEQUENCE: '%-.300s'", - ErrWrongInsertIntoSequence: "Wrong INSERT into a SEQUENCE. One can only do single table INSERT into a sequence object (like with mysqldump). If you want to change the SEQUENCE, use ALTER SEQUENCE instead.", - ErrSequenceInvalidTableStructure: "Sequence '%-.64s.%-.64s' table structure is invalid (%s)", + ErrOnlyOneDefaultPartionAllowed: mysql.Message("Only one DEFAULT partition allowed", nil), + ErrWrongPartitionTypeExpectedSystemTime: mysql.Message("Wrong partitioning type, expected type: `SYSTEM_TIME`", nil), + ErrSystemVersioningWrongPartitions: mysql.Message("Wrong Partitions: must have at least one HISTORY and exactly one last CURRENT", nil), + ErrSequenceRunOut: mysql.Message("Sequence '%-.64s.%-.64s' has run out", nil), + ErrSequenceInvalidData: mysql.Message("Sequence '%-.64s.%-.64s' values are conflicting", nil), + ErrSequenceAccessFail: mysql.Message("Sequence '%-.64s.%-.64s' access error", nil), + ErrNotSequence: mysql.Message("'%-.64s.%-.64s' is not a SEQUENCE", nil), + ErrUnknownSequence: mysql.Message("Unknown SEQUENCE: '%-.300s'", nil), + ErrWrongInsertIntoSequence: mysql.Message("Wrong INSERT into a SEQUENCE. One can only do single table INSERT into a sequence object (like with mysqldump). If you want to change the SEQUENCE, use ALTER SEQUENCE instead.", nil), + ErrSequenceInvalidTableStructure: mysql.Message("Sequence '%-.64s.%-.64s' table structure is invalid (%s)", nil), // TiDB errors. - ErrMemExceedThreshold: "%s holds %dB memory, exceeds threshold %dB.%s", - ErrForUpdateCantRetry: "[%d] can not retry select for update statement", - ErrAdminCheckTable: "TiDB admin check table failed.", - ErrTxnTooLarge: "Transaction is too large, size: %d", - ErrWriteConflictInTiDB: "Write conflict, txnStartTS %d is stale", - ErrInvalidPluginID: "Wrong plugin id: %s, valid plugin id is [name]-[version], both name and version should not contain '-'", - ErrInvalidPluginManifest: "Cannot read plugin %s's manifest", - ErrInvalidPluginName: "Plugin load with %s but got wrong name %s", - ErrInvalidPluginVersion: "Plugin load with %s but got %s", - ErrDuplicatePlugin: "Plugin [%s] is redeclared", - ErrInvalidPluginSysVarName: "Plugin %s's sysVar %s must start with its plugin name %s", - ErrRequireVersionCheckFail: "Plugin %s require %s be %v but got %v", - ErrUnsupportedReloadPlugin: "Plugin %s isn't loaded so cannot be reloaded", - ErrUnsupportedReloadPluginVar: "Reload plugin with different sysVar is unsupported %v", - ErrTableLocked: "Table '%s' was locked in %s by %v", - ErrNotExist: "Error: key not exist", - ErrTxnRetryable: "Error: KV error safe to retry %s ", - ErrCannotSetNilValue: "can not set nil value", - ErrInvalidTxn: "invalid transaction", - ErrEntryTooLarge: "entry too large, the max entry size is %d, the size of data is %d", - ErrNotImplemented: "not implemented", - ErrInfoSchemaExpired: "Information schema is out of date: schema failed to update in 1 lease, please make sure TiDB can connect to TiKV", - ErrInfoSchemaChanged: "Information schema is changed during the execution of the statement(for example, table definition may be updated by other DDL ran in parallel). If you see this error often, try increasing `tidb_max_delta_schema_count`", - ErrBadNumber: "Bad Number", - ErrCastAsSignedOverflow: "Cast to signed converted positive out-of-range integer to it's negative complement", - ErrCastNegIntAsUnsigned: "Cast to unsigned converted negative integer to it's positive complement", - ErrInvalidYearFormat: "invalid year format", - ErrInvalidYear: "invalid year", - ErrIncorrectDatetimeValue: "Incorrect datetime value: '%s'", - ErrInvalidTimeFormat: "invalid time format: '%v'", - ErrInvalidWeekModeFormat: "invalid week mode format: '%v'", - ErrFieldGetDefaultFailed: "Field '%s' get default value fail", - ErrIndexOutBound: "Index column %s offset out of bound, offset: %d, row: %v", - ErrUnsupportedOp: "operation not supported", - ErrRowNotFound: "can not find the row: %s", - ErrTableStateCantNone: "table %s can't be in none state", - ErrColumnStateCantNone: "column %s can't be in none state", - ErrColumnStateNonPublic: "can not use non-public column", - ErrIndexStateCantNone: "index %s can't be in none state", - ErrInvalidRecordKey: "invalid record key", - ErrUnsupportedValueForVar: "variable '%s' does not yet support value: %s", - ErrUnsupportedIsolationLevel: "The isolation level '%s' is not supported. Set tidb_skip_isolation_level_check=1 to skip this error", - ErrInvalidDDLWorker: "Invalid DDL worker", - ErrUnsupportedDDLOperation: "Unsupported %s", - ErrNotOwner: "TiDB server is not a DDL owner", - ErrCantDecodeRecord: "Cannot decode %s value, because %v", - ErrInvalidDDLJob: "Invalid DDL job", - ErrInvalidDDLJobFlag: "Invalid DDL job flag", - ErrWaitReorgTimeout: "Timeout waiting for data reorganization", - ErrInvalidStoreVersion: "Invalid storage current version: %d", - ErrUnknownTypeLength: "Unknown length for type %d", - ErrUnknownFractionLength: "Unknown length for type %d and fraction %d", - ErrInvalidDDLJobVersion: "Version %d of DDL job is greater than current one: %d", - ErrInvalidSplitRegionRanges: "Failed to split region ranges", - ErrReorgPanic: "Reorg worker panic", - ErrInvalidDDLState: "Invalid %s state: %v", - ErrCancelledDDLJob: "Cancelled DDL job", - ErrRepairTable: "Failed to repair table: %s", - ErrLoadPrivilege: "Load privilege table fail: %s", - ErrInvalidPrivilegeType: "unknown privilege type %s", - ErrUnknownFieldType: "unknown field type", - ErrInvalidSequence: "invalid sequence", - ErrInvalidType: "invalid type", - ErrCantGetValidID: "Cannot get a valid auto-ID when retrying the statement", - ErrCantSetToNull: "cannot set variable to null", - ErrSnapshotTooOld: "snapshot is older than GC safe point %s", - ErrInvalidTableID: "invalid TableID", - ErrInvalidAutoRandom: "Invalid auto random: %s", - ErrInvalidHashKeyFlag: "invalid encoded hash key flag", - ErrInvalidListIndex: "invalid list index", - ErrInvalidListMetaData: "invalid list meta data", - ErrWriteOnSnapshot: "write on snapshot", - ErrInvalidKey: "invalid key", - ErrInvalidIndexKey: "invalid index key", - ErrDataInConsistent: "data isn't equal", - ErrDDLReorgElementNotExist: "DDL reorg element does not exist", - ErrDDLJobNotFound: "DDL Job:%v not found", - ErrCancelFinishedDDLJob: "This job:%v is finished, so can't be cancelled", - ErrCannotCancelDDLJob: "This job:%v is almost finished, can't be cancelled now", - ErrUnknownAllocatorType: "Invalid allocator type", - ErrAutoRandReadFailed: "Failed to read auto-random value from storage engine", - ErrInvalidIncrementAndOffset: "Invalid auto_increment settings: auto_increment_increment: %d, auto_increment_offset: %d, both of them must be in range [1..65535]", + ErrMemExceedThreshold: mysql.Message("%s holds %dB memory, exceeds threshold %dB.%s", nil), + ErrForUpdateCantRetry: mysql.Message("[%d] can not retry select for update statement", nil), + ErrAdminCheckTable: mysql.Message("TiDB admin check table failed.", nil), + ErrTxnTooLarge: mysql.Message("Transaction is too large, size: %d", nil), + ErrWriteConflictInTiDB: mysql.Message("Write conflict, txnStartTS %d is stale", nil), + ErrInvalidPluginID: mysql.Message("Wrong plugin id: %s, valid plugin id is [name]-[version], both name and version should not contain '-'", nil), + ErrInvalidPluginManifest: mysql.Message("Cannot read plugin %s's manifest", nil), + ErrInvalidPluginName: mysql.Message("Plugin load with %s but got wrong name %s", nil), + ErrInvalidPluginVersion: mysql.Message("Plugin load with %s but got %s", nil), + ErrDuplicatePlugin: mysql.Message("Plugin [%s] is redeclared", nil), + ErrInvalidPluginSysVarName: mysql.Message("Plugin %s's sysVar %s must start with its plugin name %s", nil), + ErrRequireVersionCheckFail: mysql.Message("Plugin %s require %s be %v but got %v", nil), + ErrUnsupportedReloadPlugin: mysql.Message("Plugin %s isn't loaded so cannot be reloaded", nil), + ErrUnsupportedReloadPluginVar: mysql.Message("Reload plugin with different sysVar is unsupported %v", nil), + ErrTableLocked: mysql.Message("Table '%s' was locked in %s by %v", nil), + ErrNotExist: mysql.Message("Error: key not exist", nil), + ErrTxnRetryable: mysql.Message("Error: KV error safe to retry %s ", nil), + ErrCannotSetNilValue: mysql.Message("can not set nil value", nil), + ErrInvalidTxn: mysql.Message("invalid transaction", nil), + ErrEntryTooLarge: mysql.Message("entry too large, the max entry size is %d, the size of data is %d", nil), + ErrNotImplemented: mysql.Message("not implemented", nil), + ErrInfoSchemaExpired: mysql.Message("Information schema is out of date: schema failed to update in 1 lease, please make sure TiDB can connect to TiKV", nil), + ErrInfoSchemaChanged: mysql.Message("Information schema is changed during the execution of the statement(for example, table definition may be updated by other DDL ran in parallel). If you see this error often, try increasing `tidb_max_delta_schema_count`", nil), + ErrBadNumber: mysql.Message("Bad Number", nil), + ErrCastAsSignedOverflow: mysql.Message("Cast to signed converted positive out-of-range integer to it's negative complement", nil), + ErrCastNegIntAsUnsigned: mysql.Message("Cast to unsigned converted negative integer to it's positive complement", nil), + ErrInvalidYearFormat: mysql.Message("invalid year format", nil), + ErrInvalidYear: mysql.Message("invalid year", nil), + ErrIncorrectDatetimeValue: mysql.Message("Incorrect datetime value: '%s'", nil), + ErrInvalidTimeFormat: mysql.Message("invalid time format: '%v'", nil), + ErrInvalidWeekModeFormat: mysql.Message("invalid week mode format: '%v'", nil), + ErrFieldGetDefaultFailed: mysql.Message("Field '%s' get default value fail", nil), + ErrIndexOutBound: mysql.Message("Index column %s offset out of bound, offset: %d, row: %v", nil), + ErrUnsupportedOp: mysql.Message("operation not supported", nil), + ErrRowNotFound: mysql.Message("can not find the row: %s", nil), + ErrTableStateCantNone: mysql.Message("table %s can't be in none state", nil), + ErrColumnStateCantNone: mysql.Message("column %s can't be in none state", nil), + ErrColumnStateNonPublic: mysql.Message("can not use non-public column", nil), + ErrIndexStateCantNone: mysql.Message("index %s can't be in none state", nil), + ErrInvalidRecordKey: mysql.Message("invalid record key", nil), + ErrUnsupportedValueForVar: mysql.Message("variable '%s' does not yet support value: %s", nil), + ErrUnsupportedIsolationLevel: mysql.Message("The isolation level '%s' is not supported. Set tidb_skip_isolation_level_check=1 to skip this error", nil), + ErrInvalidDDLWorker: mysql.Message("Invalid DDL worker", nil), + ErrUnsupportedDDLOperation: mysql.Message("Unsupported %s", nil), + ErrNotOwner: mysql.Message("TiDB server is not a DDL owner", nil), + ErrCantDecodeRecord: mysql.Message("Cannot decode %s value, because %v", nil), + ErrInvalidDDLJob: mysql.Message("Invalid DDL job", nil), + ErrInvalidDDLJobFlag: mysql.Message("Invalid DDL job flag", nil), + ErrWaitReorgTimeout: mysql.Message("Timeout waiting for data reorganization", nil), + ErrInvalidStoreVersion: mysql.Message("Invalid storage current version: %d", nil), + ErrUnknownTypeLength: mysql.Message("Unknown length for type %d", nil), + ErrUnknownFractionLength: mysql.Message("Unknown length for type %d and fraction %d", nil), + ErrInvalidDDLJobVersion: mysql.Message("Version %d of DDL job is greater than current one: %d", nil), + ErrInvalidSplitRegionRanges: mysql.Message("Failed to split region ranges", nil), + ErrReorgPanic: mysql.Message("Reorg worker panic", nil), + ErrInvalidDDLState: mysql.Message("Invalid %s state: %v", nil), + ErrCancelledDDLJob: mysql.Message("Cancelled DDL job", nil), + ErrRepairTable: mysql.Message("Failed to repair table: %s", nil), + ErrLoadPrivilege: mysql.Message("Load privilege table fail: %s", nil), + ErrInvalidPrivilegeType: mysql.Message("unknown privilege type %s", nil), + ErrUnknownFieldType: mysql.Message("unknown field type", nil), + ErrInvalidSequence: mysql.Message("invalid sequence", nil), + ErrInvalidType: mysql.Message("invalid type", nil), + ErrCantGetValidID: mysql.Message("Cannot get a valid auto-ID when retrying the statement", nil), + ErrCantSetToNull: mysql.Message("cannot set variable to null", nil), + ErrSnapshotTooOld: mysql.Message("snapshot is older than GC safe point %s", nil), + ErrInvalidTableID: mysql.Message("invalid TableID", nil), + ErrInvalidAutoRandom: mysql.Message("Invalid auto random: %s", nil), + ErrInvalidHashKeyFlag: mysql.Message("invalid encoded hash key flag", nil), + ErrInvalidListIndex: mysql.Message("invalid list index", nil), + ErrInvalidListMetaData: mysql.Message("invalid list meta data", nil), + ErrWriteOnSnapshot: mysql.Message("write on snapshot", nil), + ErrInvalidKey: mysql.Message("invalid key", nil), + ErrInvalidIndexKey: mysql.Message("invalid index key", nil), + ErrDataInConsistent: mysql.Message("data isn't equal", nil), + ErrDDLReorgElementNotExist: mysql.Message("DDL reorg element does not exist", nil), + ErrDDLJobNotFound: mysql.Message("DDL Job:%v not found", nil), + ErrCancelFinishedDDLJob: mysql.Message("This job:%v is finished, so can't be cancelled", nil), + ErrCannotCancelDDLJob: mysql.Message("This job:%v is almost finished, can't be cancelled now", nil), + ErrUnknownAllocatorType: mysql.Message("Invalid allocator type", nil), + ErrAutoRandReadFailed: mysql.Message("Failed to read auto-random value from storage engine", nil), + ErrInvalidIncrementAndOffset: mysql.Message("Invalid auto_increment settings: auto_increment_increment: %d, auto_increment_offset: %d, both of them must be in range [1..65535]", nil), - ErrWarnOptimizerHintInvalidInteger: "integer value is out of range in '%s'", - ErrWarnOptimizerHintUnsupportedHint: "Optimizer hint %s is not supported by TiDB and is ignored", - ErrWarnOptimizerHintInvalidToken: "Cannot use %s '%s' (tok = %d) in an optimizer hint", - ErrWarnMemoryQuotaOverflow: "Max value of MEMORY_QUOTA is %d bytes, ignore this invalid limit", - ErrWarnOptimizerHintParseError: "Optimizer hint syntax error at %v", + ErrWarnOptimizerHintInvalidInteger: mysql.Message("integer value is out of range in '%s'", nil), + ErrWarnOptimizerHintUnsupportedHint: mysql.Message("Optimizer hint %s is not supported by TiDB and is ignored", nil), + ErrWarnOptimizerHintInvalidToken: mysql.Message("Cannot use %s '%s' (tok = %d) in an optimizer hint", nil), + ErrWarnMemoryQuotaOverflow: mysql.Message("Max value of MEMORY_QUOTA is %d bytes, ignore this invalid limit", nil), + ErrWarnOptimizerHintParseError: mysql.Message("Optimizer hint syntax error at %v", nil), - ErrSequenceUnsupportedTableOption: "Unsupported sequence table-option %s", - ErrColumnTypeUnsupportedNextValue: "Unsupported sequence default value for column type '%s'", - ErrAddColumnWithSequenceAsDefault: "Unsupported using sequence as default value in add column '%s'", - ErrUnsupportedType: "Unsupported type %T", - ErrAnalyzeMissIndex: "Index '%s' in field list does not exist in table '%s'", - ErrCartesianProductUnsupported: "Cartesian product is unsupported", - ErrPreparedStmtNotFound: "Prepared statement not found", - ErrWrongParamCount: "Wrong parameter count", - ErrSchemaChanged: "Schema has changed", - ErrUnknownPlan: "Unknown plan", - ErrPrepareMulti: "Can not prepare multiple statements", - ErrPrepareDDL: "Can not prepare DDL statements with parameters", - ErrResultIsEmpty: "Result is empty", - ErrBuildExecutor: "Failed to build executor", - ErrBatchInsertFail: "Batch insert failed, please clean the table and try again.", - ErrGetStartTS: "Can not get start ts", - ErrPrivilegeCheckFail: "privilege check fail", // this error message should begin lowercased to be compatible with the test - ErrInvalidWildCard: "Wildcard fields without any table name appears in wrong place", - ErrMixOfGroupFuncAndFieldsIncompatible: "In aggregated query without GROUP BY, expression #%d of SELECT list contains nonaggregated column '%s'; this is incompatible with sql_mode=only_full_group_by", - ErrUnsupportedSecondArgumentType: "JSON_OBJECTAGG: unsupported second argument type %v", - ErrLockExpire: "TTL manager has timed out, pessimistic locks may expire, please commit or rollback this transaction", - ErrTableOptionUnionUnsupported: "CREATE/ALTER table with union option is not supported", - ErrTableOptionInsertMethodUnsupported: "CREATE/ALTER table with insert method option is not supported", + ErrSequenceUnsupportedTableOption: mysql.Message("Unsupported sequence table-option %s", nil), + ErrColumnTypeUnsupportedNextValue: mysql.Message("Unsupported sequence default value for column type '%s'", nil), + ErrAddColumnWithSequenceAsDefault: mysql.Message("Unsupported using sequence as default value in add column '%s'", nil), + ErrUnsupportedType: mysql.Message("Unsupported type %T", nil), + ErrAnalyzeMissIndex: mysql.Message("Index '%s' in field list does not exist in table '%s'", nil), + ErrCartesianProductUnsupported: mysql.Message("Cartesian product is unsupported", nil), + ErrPreparedStmtNotFound: mysql.Message("Prepared statement not found", nil), + ErrWrongParamCount: mysql.Message("Wrong parameter count", nil), + ErrSchemaChanged: mysql.Message("Schema has changed", nil), + ErrUnknownPlan: mysql.Message("Unknown plan", nil), + ErrPrepareMulti: mysql.Message("Can not prepare multiple statements", nil), + ErrPrepareDDL: mysql.Message("Can not prepare DDL statements with parameters", nil), + ErrResultIsEmpty: mysql.Message("Result is empty", nil), + ErrBuildExecutor: mysql.Message("Failed to build executor", nil), + ErrBatchInsertFail: mysql.Message("Batch insert failed, please clean the table and try again.", nil), + ErrGetStartTS: mysql.Message("Can not get start ts", nil), + ErrPrivilegeCheckFail: mysql.Message("privilege check fail", nil), // this error message should begin lowercased to be compatible with the test + ErrInvalidWildCard: mysql.Message("Wildcard fields without any table name appears in wrong place", nil), + ErrMixOfGroupFuncAndFieldsIncompatible: mysql.Message("In aggregated query without GROUP BY, expression #%d of SELECT list contains nonaggregated column '%s'; this is incompatible with sql_mode=only_full_group_by", nil), + ErrUnsupportedSecondArgumentType: mysql.Message("JSON_OBJECTAGG: unsupported second argument type %v", nil), + ErrLockExpire: mysql.Message("TTL manager has timed out, pessimistic locks may expire, please commit or rollback this transaction", nil), + ErrTableOptionUnionUnsupported: mysql.Message("CREATE/ALTER table with union option is not supported", nil), + ErrTableOptionInsertMethodUnsupported: mysql.Message("CREATE/ALTER table with insert method option is not supported", nil), - ErrBRIEBackupFailed: "Backup failed: %s", - ErrBRIERestoreFailed: "Restore failed: %s", - ErrBRIEImportFailed: "Import failed: %s", - ErrBRIEExportFailed: "Export failed: %s", + ErrBRIEBackupFailed: mysql.Message("Backup failed: %s", nil), + ErrBRIERestoreFailed: mysql.Message("Restore failed: %s", nil), + ErrBRIEImportFailed: mysql.Message("Import failed: %s", nil), + ErrBRIEExportFailed: mysql.Message("Export failed: %s", nil), - ErrInvalidPlacementSpec: "Invalid placement policy '%s': %s", + ErrInvalidPlacementSpec: mysql.Message("Invalid placement policy '%s': %s", nil), // TiKV/PD errors. - ErrPDServerTimeout: "PD server timeout", - ErrTiKVServerTimeout: "TiKV server timeout", - ErrTiKVServerBusy: "TiKV server is busy", - ErrResolveLockTimeout: "Resolve lock timeout", - ErrRegionUnavailable: "Region is unavailable", - ErrGCTooEarly: "GC life time is shorter than transaction duration, transaction starts at %v, GC safe point is %v", - ErrWriteConflict: "Write conflict, txnStartTS=%d, conflictStartTS=%d, conflictCommitTS=%d, key=%s", - ErrTiKVStoreLimit: "Store token is up to the limit, store id = %d", - ErrPrometheusAddrIsNotSet: "Prometheus address is not set in PD and etcd", - ErrTiKVStaleCommand: "TiKV server reports stale command", - ErrTiKVMaxTimestampNotSynced: "TiKV max timestamp is not synced", + ErrPDServerTimeout: mysql.Message("PD server timeout", nil), + ErrTiKVServerTimeout: mysql.Message("TiKV server timeout", nil), + ErrTiKVServerBusy: mysql.Message("TiKV server is busy", nil), + ErrResolveLockTimeout: mysql.Message("Resolve lock timeout", nil), + ErrRegionUnavailable: mysql.Message("Region is unavailable", nil), + ErrGCTooEarly: mysql.Message("GC life time is shorter than transaction duration, transaction starts at %v, GC safe point is %v", nil), + ErrWriteConflict: mysql.Message("Write conflict, txnStartTS=%d, conflictStartTS=%d, conflictCommitTS=%d, key=%s", nil), + ErrTiKVStoreLimit: mysql.Message("Store token is up to the limit, store id = %d", nil), + ErrPrometheusAddrIsNotSet: mysql.Message("Prometheus address is not set in PD and etcd", nil), + ErrTiKVStaleCommand: mysql.Message("TiKV server reports stale command", nil), + ErrTiKVMaxTimestampNotSynced: mysql.Message("TiKV max timestamp is not synced", nil), } diff --git a/errno/logredaction.md b/errno/logredaction.md new file mode 100644 index 0000000000000..3009b19f87f46 --- /dev/null +++ b/errno/logredaction.md @@ -0,0 +1,33 @@ +# Log Redaction + +Background: + +Issue: https://github.com/pingcap/tidb/issues/18566 + +Our database may store some sensitive information, such as customer ID number, credit card number, etc. This sensitive information sometimes exists in the error message in some manners like a form of key-value, and this information will be printed in the log along with the error. + +Some of our users do not want this sensitive information to spread along with logs. Therefore, our requirement is to provide a switch which can hide these possible sensitive information when printing the log. + + +For example, +```sql +mysql> create table t (a int, unique key (a)); +Query OK, 0 rows affected (0.00 sec) + +mysql> insert into t values (1),(1); +ERROR 1062 (23000): Duplicate entry '1' for key 'a' +mysql> set @@session.tidb_redact_log=1; +Query OK, 0 rows affected (0.00 sec) + +mysql> insert into t values (1),(1); +ERROR 1062 (23000): Duplicate entry '?' for key '?' +``` + +And its corresponding log is： +``` +[2020/10/20 11:45:37.796 +08:00] [INFO] [conn.go:800] ["command dispatched failed"] [conn=5] [connInfo="id:5, addr:127.0.0.1:57222 status:10, collation:utf8_general_ci, user:root"] [command=Query] [status="inTxn:0, autocommit:1"] [sql="insert into t values (1),(1)"] [txn_mode=OPTIMISTIC] [err="[kv:1062]Duplicate entry '1' for key 'a'"] + +[2020/10/20 11:45:49.539 +08:00] [INFO] [conn.go:800] ["command dispatched failed"] [conn=5] [connInfo="id:5, addr:127.0.0.1:57222 status:10, collation:utf8_general_ci, user:root"] [command=Query] [status="inTxn:0, autocommit:1"] [sql="insert into t values ( ? ) , ( ? )"] [txn_mode=OPTIMISTIC] [err="[kv:1062]Duplicate entry '?' for key '?'"] +``` + +As you can see, after enabling `tidb_redact_log`, sensitive content is hidden both in the error message and in the log. diff --git a/executor/adapter.go b/executor/adapter.go index 49742861dd24f..b1d673aa3966e 100644 --- a/executor/adapter.go +++ b/executor/adapter.go @@ -826,7 +826,7 @@ func (a *ExecStmt) FinishExecuteStmt(txnTS uint64, succ bool, hasMoreResults boo a.LogSlowQuery(txnTS, succ, hasMoreResults) a.SummaryStmt(succ) prevStmt := a.GetTextToLog() - if config.RedactLogEnabled() { + if sessVars.EnableRedactLog { sessVars.PrevStmt = FormatSQL(prevStmt, nil) } else { pps := types.CloneRow(sessVars.PreparedParams) @@ -870,7 +870,7 @@ func (a *ExecStmt) LogSlowQuery(txnTS uint64, succ bool, hasMoreResults bool) { } var sql stringutil.StringerFunc normalizedSQL, digest := sessVars.StmtCtx.SQLDigest() - if config.RedactLogEnabled() { + if sessVars.EnableRedactLog { sql = FormatSQL(normalizedSQL, nil) } else if sensitiveStmt, ok := a.StmtNode.(ast.SensitiveStmtNode); ok { sql = FormatSQL(sensitiveStmt.SecureText(), nil) @@ -1082,7 +1082,7 @@ func (a *ExecStmt) SummaryStmt(succ bool) { // GetTextToLog return the query text to log. func (a *ExecStmt) GetTextToLog() string { var sql string - if config.RedactLogEnabled() { + if a.Ctx.GetSessionVars().EnableRedactLog { sql, _ = a.Ctx.GetSessionVars().StmtCtx.SQLDigest() } else if sensitiveStmt, ok := a.StmtNode.(ast.SensitiveStmtNode); ok { sql = sensitiveStmt.SecureText() diff --git a/executor/aggfuncs/func_group_concat.go b/executor/aggfuncs/func_group_concat.go index 0e2be59856eb2..0eab8ff3ff417 100644 --- a/executor/aggfuncs/func_group_concat.go +++ b/executor/aggfuncs/func_group_concat.go @@ -20,7 +20,6 @@ import ( "sync/atomic" "unsafe" - "github.com/pingcap/parser/terror" mysql "github.com/pingcap/tidb/errno" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/planner/util" @@ -28,6 +27,7 @@ import ( "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/codec" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/hack" "github.com/pingcap/tidb/util/set" ) @@ -440,7 +440,7 @@ func (e *groupConcatOrder) UpdatePartialResult(sctx sessionctx.Context, rowsInGr func (e *groupConcatOrder) MergePartialResult(sctx sessionctx.Context, src, dst PartialResult) (memDelta int64, err error) { // If order by exists, the parallel hash aggregation is forbidden in executorBuilder.buildHashAgg. // So MergePartialResult will not be called. - return 0, terror.ClassOptimizer.New(mysql.ErrInternal, mysql.MySQLErrName[mysql.ErrInternal]).GenWithStack("groupConcatOrder.MergePartialResult should not be called") + return 0, dbterror.ClassOptimizer.NewStd(mysql.ErrInternal).GenWithStack("groupConcatOrder.MergePartialResult should not be called") } // SetTruncated will be called in `executorBuilder#buildHashAgg` with duck-type. @@ -551,7 +551,7 @@ func (e *groupConcatDistinctOrder) UpdatePartialResult(sctx sessionctx.Context, func (e *groupConcatDistinctOrder) MergePartialResult(sctx sessionctx.Context, src, dst PartialResult) (memDelta int64, err error) { // If order by exists, the parallel hash aggregation is forbidden in executorBuilder.buildHashAgg. // So MergePartialResult will not be called. - return 0, terror.ClassOptimizer.New(mysql.ErrInternal, mysql.MySQLErrName[mysql.ErrInternal]).GenWithStack("groupConcatDistinctOrder.MergePartialResult should not be called") + return 0, dbterror.ClassOptimizer.NewStd(mysql.ErrInternal).GenWithStack("groupConcatDistinctOrder.MergePartialResult should not be called") } // GetDatumMemSize calculates the memory size of each types.Datum in sortRow.byItems. diff --git a/executor/errors.go b/executor/errors.go index df9dbed68e2e4..5e762ace73a08 100644 --- a/executor/errors.go +++ b/executor/errors.go @@ -14,37 +14,37 @@ package executor import ( - "github.com/pingcap/parser/terror" mysql "github.com/pingcap/tidb/errno" + "github.com/pingcap/tidb/util/dbterror" ) // Error instances. var ( - ErrGetStartTS = terror.ClassExecutor.New(mysql.ErrGetStartTS, mysql.MySQLErrName[mysql.ErrGetStartTS]) - ErrUnknownPlan = terror.ClassExecutor.New(mysql.ErrUnknownPlan, mysql.MySQLErrName[mysql.ErrUnknownPlan]) - ErrPrepareMulti = terror.ClassExecutor.New(mysql.ErrPrepareMulti, mysql.MySQLErrName[mysql.ErrPrepareMulti]) - ErrPrepareDDL = terror.ClassExecutor.New(mysql.ErrPrepareDDL, mysql.MySQLErrName[mysql.ErrPrepareDDL]) - ErrResultIsEmpty = terror.ClassExecutor.New(mysql.ErrResultIsEmpty, mysql.MySQLErrName[mysql.ErrResultIsEmpty]) - ErrBuildExecutor = terror.ClassExecutor.New(mysql.ErrBuildExecutor, mysql.MySQLErrName[mysql.ErrBuildExecutor]) - ErrBatchInsertFail = terror.ClassExecutor.New(mysql.ErrBatchInsertFail, mysql.MySQLErrName[mysql.ErrBatchInsertFail]) + ErrGetStartTS = dbterror.ClassExecutor.NewStd(mysql.ErrGetStartTS) + ErrUnknownPlan = dbterror.ClassExecutor.NewStd(mysql.ErrUnknownPlan) + ErrPrepareMulti = dbterror.ClassExecutor.NewStd(mysql.ErrPrepareMulti) + ErrPrepareDDL = dbterror.ClassExecutor.NewStd(mysql.ErrPrepareDDL) + ErrResultIsEmpty = dbterror.ClassExecutor.NewStd(mysql.ErrResultIsEmpty) + ErrBuildExecutor = dbterror.ClassExecutor.NewStd(mysql.ErrBuildExecutor) + ErrBatchInsertFail = dbterror.ClassExecutor.NewStd(mysql.ErrBatchInsertFail) - ErrCantCreateUserWithGrant = terror.ClassExecutor.New(mysql.ErrCantCreateUserWithGrant, mysql.MySQLErrName[mysql.ErrCantCreateUserWithGrant]) - ErrPasswordNoMatch = terror.ClassExecutor.New(mysql.ErrPasswordNoMatch, mysql.MySQLErrName[mysql.ErrPasswordNoMatch]) - ErrCannotUser = terror.ClassExecutor.New(mysql.ErrCannotUser, mysql.MySQLErrName[mysql.ErrCannotUser]) - ErrPasswordFormat = terror.ClassExecutor.New(mysql.ErrPasswordFormat, mysql.MySQLErrName[mysql.ErrPasswordFormat]) - ErrCantChangeTxCharacteristics = terror.ClassExecutor.New(mysql.ErrCantChangeTxCharacteristics, mysql.MySQLErrName[mysql.ErrCantChangeTxCharacteristics]) - ErrPsManyParam = terror.ClassExecutor.New(mysql.ErrPsManyParam, mysql.MySQLErrName[mysql.ErrPsManyParam]) - ErrAdminCheckTable = terror.ClassExecutor.New(mysql.ErrAdminCheckTable, mysql.MySQLErrName[mysql.ErrAdminCheckTable]) - ErrDBaccessDenied = terror.ClassExecutor.New(mysql.ErrDBaccessDenied, mysql.MySQLErrName[mysql.ErrDBaccessDenied]) - ErrTableaccessDenied = terror.ClassExecutor.New(mysql.ErrTableaccessDenied, mysql.MySQLErrName[mysql.ErrTableaccessDenied]) - ErrBadDB = terror.ClassExecutor.New(mysql.ErrBadDB, mysql.MySQLErrName[mysql.ErrBadDB]) - ErrWrongObject = terror.ClassExecutor.New(mysql.ErrWrongObject, mysql.MySQLErrName[mysql.ErrWrongObject]) - ErrRoleNotGranted = terror.ClassPrivilege.New(mysql.ErrRoleNotGranted, mysql.MySQLErrName[mysql.ErrRoleNotGranted]) - ErrDeadlock = terror.ClassExecutor.New(mysql.ErrLockDeadlock, mysql.MySQLErrName[mysql.ErrLockDeadlock]) - ErrQueryInterrupted = terror.ClassExecutor.New(mysql.ErrQueryInterrupted, mysql.MySQLErrName[mysql.ErrQueryInterrupted]) + ErrCantCreateUserWithGrant = dbterror.ClassExecutor.NewStd(mysql.ErrCantCreateUserWithGrant) + ErrPasswordNoMatch = dbterror.ClassExecutor.NewStd(mysql.ErrPasswordNoMatch) + ErrCannotUser = dbterror.ClassExecutor.NewStd(mysql.ErrCannotUser) + ErrPasswordFormat = dbterror.ClassExecutor.NewStd(mysql.ErrPasswordFormat) + ErrCantChangeTxCharacteristics = dbterror.ClassExecutor.NewStd(mysql.ErrCantChangeTxCharacteristics) + ErrPsManyParam = dbterror.ClassExecutor.NewStd(mysql.ErrPsManyParam) + ErrAdminCheckTable = dbterror.ClassExecutor.NewStd(mysql.ErrAdminCheckTable) + ErrDBaccessDenied = dbterror.ClassExecutor.NewStd(mysql.ErrDBaccessDenied) + ErrTableaccessDenied = dbterror.ClassExecutor.NewStd(mysql.ErrTableaccessDenied) + ErrBadDB = dbterror.ClassExecutor.NewStd(mysql.ErrBadDB) + ErrWrongObject = dbterror.ClassExecutor.NewStd(mysql.ErrWrongObject) + ErrRoleNotGranted = dbterror.ClassPrivilege.NewStd(mysql.ErrRoleNotGranted) + ErrDeadlock = dbterror.ClassExecutor.NewStd(mysql.ErrLockDeadlock) + ErrQueryInterrupted = dbterror.ClassExecutor.NewStd(mysql.ErrQueryInterrupted) - ErrBRIEBackupFailed = terror.ClassExecutor.New(mysql.ErrBRIEBackupFailed, mysql.MySQLErrName[mysql.ErrBRIEBackupFailed]) - ErrBRIERestoreFailed = terror.ClassExecutor.New(mysql.ErrBRIERestoreFailed, mysql.MySQLErrName[mysql.ErrBRIERestoreFailed]) - ErrBRIEImportFailed = terror.ClassExecutor.New(mysql.ErrBRIEImportFailed, mysql.MySQLErrName[mysql.ErrBRIEImportFailed]) - ErrBRIEExportFailed = terror.ClassExecutor.New(mysql.ErrBRIEExportFailed, mysql.MySQLErrName[mysql.ErrBRIEExportFailed]) + ErrBRIEBackupFailed = dbterror.ClassExecutor.NewStd(mysql.ErrBRIEBackupFailed) + ErrBRIERestoreFailed = dbterror.ClassExecutor.NewStd(mysql.ErrBRIERestoreFailed) + ErrBRIEImportFailed = dbterror.ClassExecutor.NewStd(mysql.ErrBRIEImportFailed) + ErrBRIEExportFailed = dbterror.ClassExecutor.NewStd(mysql.ErrBRIEExportFailed) ) diff --git a/executor/executor_test.go b/executor/executor_test.go index 6e0fe3951af00..1371bf2ab45fd 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6436,16 +6436,13 @@ func (s *testSerialSuite) TestKillTableReader(c *C) { func (s *testSerialSuite) TestPrevStmtDesensitization(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") - oriCfg := config.GetGlobalConfig() - defer config.StoreGlobalConfig(oriCfg) - newCfg := *oriCfg - newCfg.EnableRedactLog = 1 - config.StoreGlobalConfig(&newCfg) + tk.MustExec(fmt.Sprintf("set @@session.%v=1", variable.TiDBRedactLog)) tk.MustExec("drop table if exists t") - tk.MustExec("create table t (a int)") + tk.MustExec("create table t (a int, unique key (a))") tk.MustExec("begin") tk.MustExec("insert into t values (1),(2)") c.Assert(tk.Se.GetSessionVars().PrevStmt.String(), Equals, "insert into t values ( ? ) , ( ? )") + c.Assert(tk.ExecToErr("insert into t values (1)").Error(), Equals, `[kv:1062]Duplicate entry '?' for key '?'`) } func (s *testSuite) TestIssue19372(c *C) { diff --git a/executor/insert.go b/executor/insert.go index a409c03c457b8..f77e15dfc11ee 100644 --- a/executor/insert.go +++ b/executor/insert.go @@ -392,7 +392,7 @@ func (e *InsertExec) setMessage() { numDuplicates = stmtCtx.UpdatedRows() } } - msg := fmt.Sprintf(mysql.MySQLErrName[mysql.ErrInsertInfo], numRecords, numDuplicates, numWarnings) + msg := fmt.Sprintf(mysql.MySQLErrName[mysql.ErrInsertInfo].Raw, numRecords, numDuplicates, numWarnings) stmtCtx.SetMessage(msg) } } diff --git a/executor/load_data.go b/executor/load_data.go index a17820309dd0f..9f3c345acaea5 100644 --- a/executor/load_data.go +++ b/executor/load_data.go @@ -543,7 +543,7 @@ func (e *LoadDataInfo) SetMessage() { numDeletes := 0 numSkipped := numRecords - stmtCtx.CopiedRows() numWarnings := stmtCtx.WarningCount() - msg := fmt.Sprintf(mysql.MySQLErrName[mysql.ErrLoadInfo], numRecords, numDeletes, numSkipped, numWarnings) + msg := fmt.Sprintf(mysql.MySQLErrName[mysql.ErrLoadInfo].Raw, numRecords, numDeletes, numSkipped, numWarnings) e.ctx.GetSessionVars().StmtCtx.SetMessage(msg) } diff --git a/executor/replace.go b/executor/replace.go index a3f54733c4885..c4bf39db0596d 100644 --- a/executor/replace.go +++ b/executor/replace.go @@ -237,7 +237,7 @@ func (e *ReplaceExec) setMessage() { if e.SelectExec != nil || numRecords > 1 { numWarnings := stmtCtx.WarningCount() numDuplicates := stmtCtx.AffectedRows() - numRecords - msg := fmt.Sprintf(mysql.MySQLErrName[mysql.ErrInsertInfo], numRecords, numDuplicates, numWarnings) + msg := fmt.Sprintf(mysql.MySQLErrName[mysql.ErrInsertInfo].Raw, numRecords, numDuplicates, numWarnings) stmtCtx.SetMessage(msg) } } diff --git a/executor/set_test.go b/executor/set_test.go index e3f65584be0b3..6ee05dbac50de 100644 --- a/executor/set_test.go +++ b/executor/set_test.go @@ -430,10 +430,10 @@ func (s *testSuite5) TestSetVar(c *C) { tk.MustQuery(`select @@global.tidb_slow_log_masking;`).Check(testkit.Rows("1")) tk.MustExec("set global tidb_slow_log_masking = 0") tk.MustQuery(`select @@global.tidb_slow_log_masking;`).Check(testkit.Rows("0")) - _, err = tk.Exec("set session tidb_slow_log_masking = 0") - c.Assert(err, NotNil) - _, err = tk.Exec(`select @@session.tidb_slow_log_masking;`) - c.Assert(err, NotNil) + tk.MustExec("set session tidb_slow_log_masking = 0") + tk.MustQuery(`select @@session.tidb_slow_log_masking;`).Check(testkit.Rows("0")) + tk.MustExec("set session tidb_slow_log_masking = 1") + tk.MustQuery(`select @@session.tidb_slow_log_masking;`).Check(testkit.Rows("1")) tk.MustQuery("select @@tidb_dml_batch_size;").Check(testkit.Rows("0")) tk.MustExec("set @@session.tidb_dml_batch_size = 120") diff --git a/executor/simple.go b/executor/simple.go index 21b04b9c16532..102519fe27439 100644 --- a/executor/simple.go +++ b/executor/simple.go @@ -26,7 +26,6 @@ import ( "github.com/pingcap/parser/auth" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" - "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/infoschema" @@ -40,6 +39,7 @@ import ( "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/chunk" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/hack" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/sqlexec" @@ -1189,7 +1189,7 @@ func asyncDelayShutdown(p *os.Process, delay time.Duration) { func (e *SimpleExec) executeCreateStatistics(s *ast.CreateStatisticsStmt) (err error) { // Not support Cardinality and Dependency statistics type for now. if s.StatsType == ast.StatsTypeCardinality || s.StatsType == ast.StatsTypeDependency { - return terror.ClassOptimizer.New(mysql.ErrInternal, mysql.MySQLErrName[mysql.ErrInternal]).GenWithStack("Cardinality and Dependency statistics types are not supported") + return dbterror.ClassOptimizer.NewStd(mysql.ErrInternal).GenWithStack("Cardinality and Dependency statistics types are not supported") } if _, ok := e.is.SchemaByName(s.Table.Schema); !ok { return infoschema.ErrDatabaseNotExists.GenWithStackByArgs(s.Table.Schema) @@ -1204,7 +1204,7 @@ func (e *SimpleExec) executeCreateStatistics(s *ast.CreateStatisticsStmt) (err e for _, colName := range s.Columns { col := table.FindCol(t.VisibleCols(), colName.Name.L) if col == nil { - return terror.ClassDDL.New(mysql.ErrKeyColumnDoesNotExits, mysql.MySQLErrName[mysql.ErrKeyColumnDoesNotExits]).GenWithStack("column does not exist: %s", colName.Name.L) + return dbterror.ClassDDL.NewStd(mysql.ErrKeyColumnDoesNotExits).GenWithStack("column does not exist: %s", colName.Name.L) } if s.StatsType == ast.StatsTypeCorrelation && tblInfo.PKIsHandle && mysql.HasPriKeyFlag(col.Flag) { warn := errors.New("No need to create correlation statistics on the integer primary key column") @@ -1214,10 +1214,10 @@ func (e *SimpleExec) executeCreateStatistics(s *ast.CreateStatisticsStmt) (err e colIDs = append(colIDs, col.ID) } if len(colIDs) != 2 && (s.StatsType == ast.StatsTypeCorrelation || s.StatsType == ast.StatsTypeDependency) { - return terror.ClassOptimizer.New(mysql.ErrInternal, mysql.MySQLErrName[mysql.ErrInternal]).GenWithStack("Only support Correlation and Dependency statistics types on 2 columns") + return dbterror.ClassOptimizer.NewStd(mysql.ErrInternal).GenWithStack("Only support Correlation and Dependency statistics types on 2 columns") } if len(colIDs) < 1 && s.StatsType == ast.StatsTypeCardinality { - return terror.ClassOptimizer.New(mysql.ErrInternal, mysql.MySQLErrName[mysql.ErrInternal]).GenWithStack("Only support Cardinality statistics type on at least 2 columns") + return dbterror.ClassOptimizer.NewStd(mysql.ErrInternal).GenWithStack("Only support Cardinality statistics type on at least 2 columns") } // TODO: check whether covering index exists for cardinality / dependency types. @@ -1238,7 +1238,7 @@ func (e *SimpleExec) executeDropStatistics(s *ast.DropStatisticsStmt) error { func (e *SimpleExec) executeAdminReloadStatistics(s *ast.AdminStmt) error { if s.Tp != ast.AdminReloadStatistics { - return terror.ClassOptimizer.New(mysql.ErrInternal, mysql.MySQLErrName[mysql.ErrInternal]).GenWithStack("This AdminStmt is not ADMIN RELOAD STATISTICS") + return dbterror.ClassOptimizer.NewStd(mysql.ErrInternal).GenWithStack("This AdminStmt is not ADMIN RELOAD STATISTICS") } return domain.GetDomain(e.ctx).StatsHandle().ReloadExtendedStatistics() } diff --git a/executor/update.go b/executor/update.go index e5ac00b9fd19b..030022fa9965c 100644 --- a/executor/update.go +++ b/executor/update.go @@ -294,7 +294,7 @@ func (e *UpdateExec) setMessage() { numMatched := e.matched numChanged := stmtCtx.UpdatedRows() numWarnings := stmtCtx.WarningCount() - msg := fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUpdateInfo], numMatched, numChanged, numWarnings) + msg := fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUpdateInfo].Raw, numMatched, numChanged, numWarnings) stmtCtx.SetMessage(msg) } diff --git a/expression/errors.go b/expression/errors.go index d4171fe64957a..804661ef0b8af 100644 --- a/expression/errors.go +++ b/expression/errors.go @@ -14,41 +14,42 @@ package expression import ( - "github.com/pingcap/parser/terror" + pmysql "github.com/pingcap/parser/mysql" mysql "github.com/pingcap/tidb/errno" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/types" + "github.com/pingcap/tidb/util/dbterror" ) // Error instances. var ( // All the exported errors are defined here: - ErrIncorrectParameterCount = terror.ClassExpression.New(mysql.ErrWrongParamcountToNativeFct, mysql.MySQLErrName[mysql.ErrWrongParamcountToNativeFct]) - ErrDivisionByZero = terror.ClassExpression.New(mysql.ErrDivisionByZero, mysql.MySQLErrName[mysql.ErrDivisionByZero]) - ErrRegexp = terror.ClassExpression.New(mysql.ErrRegexp, mysql.MySQLErrName[mysql.ErrRegexp]) - ErrOperandColumns = terror.ClassExpression.New(mysql.ErrOperandColumns, mysql.MySQLErrName[mysql.ErrOperandColumns]) - ErrCutValueGroupConcat = terror.ClassExpression.New(mysql.ErrCutValueGroupConcat, mysql.MySQLErrName[mysql.ErrCutValueGroupConcat]) - ErrFunctionsNoopImpl = terror.ClassExpression.New(mysql.ErrNotSupportedYet, "function %s has only noop implementation in tidb now, use tidb_enable_noop_functions to enable these functions") - ErrInvalidArgumentForLogarithm = terror.ClassExpression.New(mysql.ErrInvalidArgumentForLogarithm, mysql.MySQLErrName[mysql.ErrInvalidArgumentForLogarithm]) - ErrIncorrectType = terror.ClassExpression.New(mysql.ErrIncorrectType, mysql.MySQLErrName[mysql.ErrIncorrectType]) + ErrIncorrectParameterCount = dbterror.ClassExpression.NewStd(mysql.ErrWrongParamcountToNativeFct) + ErrDivisionByZero = dbterror.ClassExpression.NewStd(mysql.ErrDivisionByZero) + ErrRegexp = dbterror.ClassExpression.NewStd(mysql.ErrRegexp) + ErrOperandColumns = dbterror.ClassExpression.NewStd(mysql.ErrOperandColumns) + ErrCutValueGroupConcat = dbterror.ClassExpression.NewStd(mysql.ErrCutValueGroupConcat) + ErrFunctionsNoopImpl = dbterror.ClassExpression.NewStdErr(mysql.ErrNotSupportedYet, pmysql.Message("function %s has only noop implementation in tidb now, use tidb_enable_noop_functions to enable these functions", nil), "", "") + ErrInvalidArgumentForLogarithm = dbterror.ClassExpression.NewStd(mysql.ErrInvalidArgumentForLogarithm) + ErrIncorrectType = dbterror.ClassExpression.NewStd(mysql.ErrIncorrectType) // All the un-exported errors are defined here: - errFunctionNotExists = terror.ClassExpression.New(mysql.ErrSpDoesNotExist, mysql.MySQLErrName[mysql.ErrSpDoesNotExist]) - errZlibZData = terror.ClassExpression.New(mysql.ErrZlibZData, mysql.MySQLErrName[mysql.ErrZlibZData]) - errZlibZBuf = terror.ClassExpression.New(mysql.ErrZlibZBuf, mysql.MySQLErrName[mysql.ErrZlibZBuf]) - errIncorrectArgs = terror.ClassExpression.New(mysql.ErrWrongArguments, mysql.MySQLErrName[mysql.ErrWrongArguments]) - errUnknownCharacterSet = terror.ClassExpression.New(mysql.ErrUnknownCharacterSet, mysql.MySQLErrName[mysql.ErrUnknownCharacterSet]) - errDefaultValue = terror.ClassExpression.New(mysql.ErrInvalidDefault, "invalid default value") - errDeprecatedSyntaxNoReplacement = terror.ClassExpression.New(mysql.ErrWarnDeprecatedSyntaxNoReplacement, mysql.MySQLErrName[mysql.ErrWarnDeprecatedSyntaxNoReplacement]) - errBadField = terror.ClassExpression.New(mysql.ErrBadField, mysql.MySQLErrName[mysql.ErrBadField]) - errWarnAllowedPacketOverflowed = terror.ClassExpression.New(mysql.ErrWarnAllowedPacketOverflowed, mysql.MySQLErrName[mysql.ErrWarnAllowedPacketOverflowed]) - errWarnOptionIgnored = terror.ClassExpression.New(mysql.WarnOptionIgnored, mysql.MySQLErrName[mysql.WarnOptionIgnored]) - errTruncatedWrongValue = terror.ClassExpression.New(mysql.ErrTruncatedWrongValue, mysql.MySQLErrName[mysql.ErrTruncatedWrongValue]) - errUnknownLocale = terror.ClassExpression.New(mysql.ErrUnknownLocale, mysql.MySQLErrName[mysql.ErrUnknownLocale]) - errNonUniq = terror.ClassExpression.New(mysql.ErrNonUniq, mysql.MySQLErrName[mysql.ErrNonUniq]) + errFunctionNotExists = dbterror.ClassExpression.NewStd(mysql.ErrSpDoesNotExist) + errZlibZData = dbterror.ClassExpression.NewStd(mysql.ErrZlibZData) + errZlibZBuf = dbterror.ClassExpression.NewStd(mysql.ErrZlibZBuf) + errIncorrectArgs = dbterror.ClassExpression.NewStd(mysql.ErrWrongArguments) + errUnknownCharacterSet = dbterror.ClassExpression.NewStd(mysql.ErrUnknownCharacterSet) + errDefaultValue = dbterror.ClassExpression.NewStdErr(mysql.ErrInvalidDefault, pmysql.Message("invalid default value", nil), "", "") + errDeprecatedSyntaxNoReplacement = dbterror.ClassExpression.NewStd(mysql.ErrWarnDeprecatedSyntaxNoReplacement) + errBadField = dbterror.ClassExpression.NewStd(mysql.ErrBadField) + errWarnAllowedPacketOverflowed = dbterror.ClassExpression.NewStd(mysql.ErrWarnAllowedPacketOverflowed) + errWarnOptionIgnored = dbterror.ClassExpression.NewStd(mysql.WarnOptionIgnored) + errTruncatedWrongValue = dbterror.ClassExpression.NewStd(mysql.ErrTruncatedWrongValue) + errUnknownLocale = dbterror.ClassExpression.NewStd(mysql.ErrUnknownLocale) + errNonUniq = dbterror.ClassExpression.NewStd(mysql.ErrNonUniq) // Sequence usage privilege check. - errSequenceAccessDenied = terror.ClassExpression.New(mysql.ErrTableaccessDenied, mysql.MySQLErrName[mysql.ErrTableaccessDenied]) + errSequenceAccessDenied = dbterror.ClassExpression.NewStd(mysql.ErrTableaccessDenied) ) // handleInvalidTimeError reports error or warning depend on the context. diff --git a/expression/expr_to_pb.go b/expression/expr_to_pb.go index a68673f1b4a19..b932bb04f24d2 100644 --- a/expression/expr_to_pb.go +++ b/expression/expr_to_pb.go @@ -18,13 +18,13 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/failpoint" "github.com/pingcap/parser/mysql" - "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/codec" "github.com/pingcap/tidb/util/collate" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tipb/go-tipb" "go.uber.org/zap" @@ -36,7 +36,7 @@ func ExpressionsToPBList(sc *stmtctx.StatementContext, exprs []Expression, clien for _, expr := range exprs { v := pc.ExprToPB(expr) if v == nil { - return nil, terror.ClassOptimizer.New(mysql.ErrInternal, mysql.MySQLErrName[mysql.ErrInternal]). + return nil, dbterror.ClassOptimizer.NewStd(mysql.ErrInternal). GenWithStack("expression %v cannot be pushed down", expr) } pbExpr = append(pbExpr, v) diff --git a/expression/scalar_function.go b/expression/scalar_function.go index 15f713099b39b..e3d692bd506d8 100644 --- a/expression/scalar_function.go +++ b/expression/scalar_function.go @@ -28,12 +28,13 @@ import ( "github.com/pingcap/tidb/types/json" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/codec" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/hack" ) // error definitions. var ( - ErrNoDB = terror.ClassOptimizer.New(mysql.ErrNoDB, mysql.MySQLErrName[mysql.ErrNoDB]) + ErrNoDB = dbterror.ClassOptimizer.NewStd(mysql.ErrNoDB) ) // ScalarFunction is the function that returns a value. diff --git a/go.mod b/go.mod index 8cad21b4f45b2..6577413be7403 100644 --- a/go.mod +++ b/go.mod @@ -39,19 +39,20 @@ require ( github.com/pingcap/badger v1.5.1-0.20200908111422-2e78ee155d19 github.com/pingcap/br v4.0.0-beta.2.0.20201014031603-5676c8fdad1a+incompatible github.com/pingcap/check v0.0.0-20200212061837-5e12011dc712 - github.com/pingcap/errors v0.11.5-0.20200917111840-a15ef68f753d + github.com/pingcap/errors v0.11.5-0.20201021055732-210aacd3fd99 github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce github.com/pingcap/fn v0.0.0-20191016082858-07623b84a47d github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20200927054727-1290113160f0 github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 - github.com/pingcap/parser v0.0.0-20201014065945-fb6bde872a79 + github.com/pingcap/parser v0.0.0-20201021061956-783a03250c77 github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible github.com/pingcap/tipb v0.0.0-20200618092958-4fad48b4c8c3 github.com/prometheus/client_golang v1.5.1 github.com/prometheus/client_model v0.2.0 github.com/prometheus/common v0.9.1 + github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect github.com/shirou/gopsutil v2.19.10+incompatible github.com/sirupsen/logrus v1.6.0 github.com/soheilhy/cmux v0.1.4 diff --git a/go.sum b/go.sum index 744fa5476091a..e4444b0fa6794 100644 --- a/go.sum +++ b/go.sum @@ -430,8 +430,8 @@ github.com/pingcap/errors v0.11.0/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTw github.com/pingcap/errors v0.11.4/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8= github.com/pingcap/errors v0.11.5-0.20190809092503-95897b64e011/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8= github.com/pingcap/errors v0.11.5-0.20200902104258-eba4f1d8f6de/go.mod h1:g4vx//d6VakjJ0mk7iLBlKA8LFavV/sAVINT/1PFxeQ= -github.com/pingcap/errors v0.11.5-0.20200917111840-a15ef68f753d h1:TH18wFO5Nq/zUQuWu9ms2urgZnLP69XJYiI2JZAkUGc= -github.com/pingcap/errors v0.11.5-0.20200917111840-a15ef68f753d/go.mod h1:g4vx//d6VakjJ0mk7iLBlKA8LFavV/sAVINT/1PFxeQ= +github.com/pingcap/errors v0.11.5-0.20201021055732-210aacd3fd99 h1:PVuEvTi/LlviMG7X3av44NRwcdPf0tiqL/YdVOIKCpA= +github.com/pingcap/errors v0.11.5-0.20201021055732-210aacd3fd99/go.mod h1:G7x87le1poQzLB/TqvTJI2ILrSgobnq4Ut7luOwvfvI= github.com/pingcap/failpoint v0.0.0-20191029060244-12f4ac2fd11d/go.mod h1:DNS3Qg7bEDhU6EXNHF+XSv/PGznQaMJ5FWvctpm6pQI= github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce h1:Y1kCxlCtlPTMtVcOkjUcuQKh+YrluSo7+7YMCQSzy30= github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce/go.mod h1:w4PEZ5y16LeofeeGwdgZB4ddv9bLyDuIX+ljstgKZyk= @@ -451,8 +451,8 @@ github.com/pingcap/log v0.0.0-20200511115504-543df19646ad h1:SveG82rmu/GFxYanffx github.com/pingcap/log v0.0.0-20200511115504-543df19646ad/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 h1:Jboj+s4jSCp5E1WDgmRUv5rIFKFHaaSWuSZ4wMwXIcc= github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= -github.com/pingcap/parser v0.0.0-20201014065945-fb6bde872a79 h1:Dcxi/lDJ6C3M5ocRbhR66MBDMmqFkPVt/Y79DVb5QR8= -github.com/pingcap/parser v0.0.0-20201014065945-fb6bde872a79/go.mod h1:RlLfMRJwFBSiXd2lUaWdV5pSXtrpyvZM8k5bbZWsheU= +github.com/pingcap/parser v0.0.0-20201021061956-783a03250c77 h1:2x5QE9ikrymuf78VsLoaJlY9EhH1SLzoKJJ3+E84zTg= +github.com/pingcap/parser v0.0.0-20201021061956-783a03250c77/go.mod h1:74+OEdwM4B/jMpBRl92ch6CSmSYkQtv2TNxIjFdT/GE= github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a h1:i2RElJ2aykSqZKeY+3SK18NHhajil8cQdG77wHe+P1Y= github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= @@ -491,6 +491,8 @@ github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+Gx github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU= github.com/remyoudompheng/bigfft v0.0.0-20190728182440-6a916e37a237 h1:HQagqIiBmr8YXawX/le3+O26N+vPPC1PtjaF3mwnook= github.com/remyoudompheng/bigfft v0.0.0-20190728182440-6a916e37a237/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo= +github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 h1:OdAsTTz6OkFY5QxjkYwrChwuRruF69c169dPK26NUlk= +github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo= github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg= github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ= github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4= diff --git a/infoschema/error.go b/infoschema/error.go index 7eb164a5210e6..a0ef7ab9c8760 100644 --- a/infoschema/error.go +++ b/infoschema/error.go @@ -14,59 +14,59 @@ package infoschema import ( - "github.com/pingcap/parser/terror" mysql "github.com/pingcap/tidb/errno" + "github.com/pingcap/tidb/util/dbterror" ) var ( // ErrDatabaseExists returns for database already exists. - ErrDatabaseExists = terror.ClassSchema.New(mysql.ErrDBCreateExists, mysql.MySQLErrName[mysql.ErrDBCreateExists]) + ErrDatabaseExists = dbterror.ClassSchema.NewStd(mysql.ErrDBCreateExists) // ErrDatabaseDropExists returns for dropping a non-existent database. - ErrDatabaseDropExists = terror.ClassSchema.New(mysql.ErrDBDropExists, mysql.MySQLErrName[mysql.ErrDBDropExists]) + ErrDatabaseDropExists = dbterror.ClassSchema.NewStd(mysql.ErrDBDropExists) // ErrAccessDenied return when the user doesn't have the permission to access the table. - ErrAccessDenied = terror.ClassSchema.New(mysql.ErrAccessDenied, mysql.MySQLErrName[mysql.ErrAccessDenied]) + ErrAccessDenied = dbterror.ClassSchema.NewStd(mysql.ErrAccessDenied) // ErrDatabaseNotExists returns for database not exists. - ErrDatabaseNotExists = terror.ClassSchema.New(mysql.ErrBadDB, mysql.MySQLErrName[mysql.ErrBadDB]) + ErrDatabaseNotExists = dbterror.ClassSchema.NewStd(mysql.ErrBadDB) // ErrTableExists returns for table already exists. - ErrTableExists = terror.ClassSchema.New(mysql.ErrTableExists, mysql.MySQLErrName[mysql.ErrTableExists]) + ErrTableExists = dbterror.ClassSchema.NewStd(mysql.ErrTableExists) // ErrTableDropExists returns for dropping a non-existent table. - ErrTableDropExists = terror.ClassSchema.New(mysql.ErrBadTable, mysql.MySQLErrName[mysql.ErrBadTable]) + ErrTableDropExists = dbterror.ClassSchema.NewStd(mysql.ErrBadTable) // ErrSequenceDropExists returns for dropping a non-exist sequence. - ErrSequenceDropExists = terror.ClassSchema.New(mysql.ErrUnknownSequence, mysql.MySQLErrName[mysql.ErrUnknownSequence]) + ErrSequenceDropExists = dbterror.ClassSchema.NewStd(mysql.ErrUnknownSequence) // ErrColumnNotExists returns for column not exists. - ErrColumnNotExists = terror.ClassSchema.New(mysql.ErrBadField, mysql.MySQLErrName[mysql.ErrBadField]) + ErrColumnNotExists = dbterror.ClassSchema.NewStd(mysql.ErrBadField) // ErrColumnExists returns for column already exists. - ErrColumnExists = terror.ClassSchema.New(mysql.ErrDupFieldName, mysql.MySQLErrName[mysql.ErrDupFieldName]) + ErrColumnExists = dbterror.ClassSchema.NewStd(mysql.ErrDupFieldName) // ErrKeyNameDuplicate returns for index duplicate when rename index. - ErrKeyNameDuplicate = terror.ClassSchema.New(mysql.ErrDupKeyName, mysql.MySQLErrName[mysql.ErrDupKeyName]) + ErrKeyNameDuplicate = dbterror.ClassSchema.NewStd(mysql.ErrDupKeyName) // ErrNonuniqTable returns when none unique tables errors. - ErrNonuniqTable = terror.ClassSchema.New(mysql.ErrNonuniqTable, mysql.MySQLErrName[mysql.ErrNonuniqTable]) + ErrNonuniqTable = dbterror.ClassSchema.NewStd(mysql.ErrNonuniqTable) // ErrMultiplePriKey returns for multiple primary keys. - ErrMultiplePriKey = terror.ClassSchema.New(mysql.ErrMultiplePriKey, mysql.MySQLErrName[mysql.ErrMultiplePriKey]) + ErrMultiplePriKey = dbterror.ClassSchema.NewStd(mysql.ErrMultiplePriKey) // ErrTooManyKeyParts returns for too many key parts. - ErrTooManyKeyParts = terror.ClassSchema.New(mysql.ErrTooManyKeyParts, mysql.MySQLErrName[mysql.ErrTooManyKeyParts]) + ErrTooManyKeyParts = dbterror.ClassSchema.NewStd(mysql.ErrTooManyKeyParts) // ErrForeignKeyNotExists returns for foreign key not exists. - ErrForeignKeyNotExists = terror.ClassSchema.New(mysql.ErrCantDropFieldOrKey, mysql.MySQLErrName[mysql.ErrCantDropFieldOrKey]) + ErrForeignKeyNotExists = dbterror.ClassSchema.NewStd(mysql.ErrCantDropFieldOrKey) // ErrTableNotLockedForWrite returns for write tables when only hold the table read lock. - ErrTableNotLockedForWrite = terror.ClassSchema.New(mysql.ErrTableNotLockedForWrite, mysql.MySQLErrName[mysql.ErrTableNotLockedForWrite]) + ErrTableNotLockedForWrite = dbterror.ClassSchema.NewStd(mysql.ErrTableNotLockedForWrite) // ErrTableNotLocked returns when session has explicitly lock tables, then visit unlocked table will return this error. - ErrTableNotLocked = terror.ClassSchema.New(mysql.ErrTableNotLocked, mysql.MySQLErrName[mysql.ErrTableNotLocked]) + ErrTableNotLocked = dbterror.ClassSchema.NewStd(mysql.ErrTableNotLocked) // ErrTableNotExists returns for table not exists. - ErrTableNotExists = terror.ClassSchema.New(mysql.ErrNoSuchTable, mysql.MySQLErrName[mysql.ErrNoSuchTable]) + ErrTableNotExists = dbterror.ClassSchema.NewStd(mysql.ErrNoSuchTable) // ErrKeyNotExists returns for index not exists. - ErrKeyNotExists = terror.ClassSchema.New(mysql.ErrKeyDoesNotExist, mysql.MySQLErrName[mysql.ErrKeyDoesNotExist]) + ErrKeyNotExists = dbterror.ClassSchema.NewStd(mysql.ErrKeyDoesNotExist) // ErrCannotAddForeign returns for foreign key exists. - ErrCannotAddForeign = terror.ClassSchema.New(mysql.ErrCannotAddForeign, mysql.MySQLErrName[mysql.ErrCannotAddForeign]) + ErrCannotAddForeign = dbterror.ClassSchema.NewStd(mysql.ErrCannotAddForeign) // ErrForeignKeyNotMatch returns for foreign key not match. - ErrForeignKeyNotMatch = terror.ClassSchema.New(mysql.ErrWrongFkDef, mysql.MySQLErrName[mysql.ErrWrongFkDef]) + ErrForeignKeyNotMatch = dbterror.ClassSchema.NewStd(mysql.ErrWrongFkDef) // ErrIndexExists returns for index already exists. - ErrIndexExists = terror.ClassSchema.New(mysql.ErrDupIndex, mysql.MySQLErrName[mysql.ErrDupIndex]) + ErrIndexExists = dbterror.ClassSchema.NewStd(mysql.ErrDupIndex) // ErrUserDropExists returns for dropping a non-existent user. - ErrUserDropExists = terror.ClassSchema.New(mysql.ErrBadUser, mysql.MySQLErrName[mysql.ErrBadUser]) + ErrUserDropExists = dbterror.ClassSchema.NewStd(mysql.ErrBadUser) // ErrUserAlreadyExists return for creating a existent user. - ErrUserAlreadyExists = terror.ClassSchema.New(mysql.ErrUserAlreadyExists, mysql.MySQLErrName[mysql.ErrUserAlreadyExists]) + ErrUserAlreadyExists = dbterror.ClassSchema.NewStd(mysql.ErrUserAlreadyExists) // ErrTableLocked returns when the table was locked by other session. - ErrTableLocked = terror.ClassSchema.New(mysql.ErrTableLocked, mysql.MySQLErrName[mysql.ErrTableLocked]) + ErrTableLocked = dbterror.ClassSchema.NewStd(mysql.ErrTableLocked) // ErrWrongObject returns when the table/view/sequence is not the expected object. - ErrWrongObject = terror.ClassSchema.New(mysql.ErrWrongObject, mysql.MySQLErrName[mysql.ErrWrongObject]) + ErrWrongObject = dbterror.ClassSchema.NewStd(mysql.ErrWrongObject) ) diff --git a/kv/error.go b/kv/error.go index c36dd89c0adbe..f429311a6278f 100644 --- a/kv/error.go +++ b/kv/error.go @@ -16,9 +16,9 @@ package kv import ( "strings" - "github.com/pingcap/parser/terror" + pmysql "github.com/pingcap/parser/mysql" mysql "github.com/pingcap/tidb/errno" - "github.com/pingcap/tidb/util/redact" + "github.com/pingcap/tidb/util/dbterror" ) // TxnRetryableMark is used to uniform the commit error messages which could retry the transaction. @@ -27,30 +27,30 @@ const TxnRetryableMark = "[try again later]" var ( // ErrNotExist is used when try to get an entry with an unexist key from KV store. - ErrNotExist = terror.ClassKV.New(mysql.ErrNotExist, mysql.MySQLErrName[mysql.ErrNotExist]) + ErrNotExist = dbterror.ClassKV.NewStd(mysql.ErrNotExist) // ErrTxnRetryable is used when KV store occurs retryable error which SQL layer can safely retry the transaction. // When using TiKV as the storage node, the error is returned ONLY when lock not found (txnLockNotFound) in Commit, // subject to change it in the future. - ErrTxnRetryable = terror.ClassKV.New(mysql.ErrTxnRetryable, - mysql.MySQLErrName[mysql.ErrTxnRetryable]+TxnRetryableMark) + ErrTxnRetryable = dbterror.ClassKV.NewStdErr(mysql.ErrTxnRetryable, + pmysql.Message(mysql.MySQLErrName[mysql.ErrTxnRetryable].Raw+TxnRetryableMark, nil), "", "") // ErrCannotSetNilValue is the error when sets an empty value. - ErrCannotSetNilValue = terror.ClassKV.New(mysql.ErrCannotSetNilValue, mysql.MySQLErrName[mysql.ErrCannotSetNilValue]) + ErrCannotSetNilValue = dbterror.ClassKV.NewStd(mysql.ErrCannotSetNilValue) // ErrInvalidTxn is the error when commits or rollbacks in an invalid transaction. - ErrInvalidTxn = terror.ClassKV.New(mysql.ErrInvalidTxn, mysql.MySQLErrName[mysql.ErrInvalidTxn]) + ErrInvalidTxn = dbterror.ClassKV.NewStd(mysql.ErrInvalidTxn) // ErrTxnTooLarge is the error when transaction is too large, lock time reached the maximum value. - ErrTxnTooLarge = terror.ClassKV.New(mysql.ErrTxnTooLarge, mysql.MySQLErrName[mysql.ErrTxnTooLarge]) + ErrTxnTooLarge = dbterror.ClassKV.NewStd(mysql.ErrTxnTooLarge) // ErrEntryTooLarge is the error when a key value entry is too large. - ErrEntryTooLarge = terror.ClassKV.New(mysql.ErrEntryTooLarge, mysql.MySQLErrName[mysql.ErrEntryTooLarge]) + ErrEntryTooLarge = dbterror.ClassKV.NewStd(mysql.ErrEntryTooLarge) // ErrKeyExists returns when key is already exist. - ErrKeyExists = redact.NewRedactError(terror.ClassKV.New(mysql.ErrDupEntry, mysql.MySQLErrName[mysql.ErrDupEntry]), 0, 1) + ErrKeyExists = dbterror.ClassKV.NewStd(mysql.ErrDupEntry) // ErrNotImplemented returns when a function is not implemented yet. - ErrNotImplemented = terror.ClassKV.New(mysql.ErrNotImplemented, mysql.MySQLErrName[mysql.ErrNotImplemented]) + ErrNotImplemented = dbterror.ClassKV.NewStd(mysql.ErrNotImplemented) // ErrWriteConflict is the error when the commit meets an write conflict error. - ErrWriteConflict = terror.ClassKV.New(mysql.ErrWriteConflict, - mysql.MySQLErrName[mysql.ErrWriteConflict]+" "+TxnRetryableMark) + ErrWriteConflict = dbterror.ClassKV.NewStdErr(mysql.ErrWriteConflict, + pmysql.Message(mysql.MySQLErrName[mysql.ErrWriteConflict].Raw+" "+TxnRetryableMark, nil), "", "") // ErrWriteConflictInTiDB is the error when the commit meets an write conflict error when local latch is enabled. - ErrWriteConflictInTiDB = terror.ClassKV.New(mysql.ErrWriteConflictInTiDB, - mysql.MySQLErrName[mysql.ErrWriteConflictInTiDB]+" "+TxnRetryableMark) + ErrWriteConflictInTiDB = dbterror.ClassKV.NewStdErr(mysql.ErrWriteConflictInTiDB, + pmysql.Message(mysql.MySQLErrName[mysql.ErrWriteConflictInTiDB].Raw+" "+TxnRetryableMark, nil), "", "") ) // IsTxnRetryableError checks if the error could safely retry the transaction. diff --git a/meta/autoid/errors.go b/meta/autoid/errors.go index 66c847f96fa63..ad0b1bcf5d12b 100644 --- a/meta/autoid/errors.go +++ b/meta/autoid/errors.go @@ -14,18 +14,18 @@ package autoid import ( - "github.com/pingcap/parser/terror" mysql "github.com/pingcap/tidb/errno" + "github.com/pingcap/tidb/util/dbterror" ) // Error instances. var ( - errInvalidTableID = terror.ClassAutoid.New(mysql.ErrInvalidTableID, mysql.MySQLErrName[mysql.ErrInvalidTableID]) - errInvalidIncrementAndOffset = terror.ClassAutoid.New(mysql.ErrInvalidIncrementAndOffset, mysql.MySQLErrName[mysql.ErrInvalidIncrementAndOffset]) - ErrAutoincReadFailed = terror.ClassAutoid.New(mysql.ErrAutoincReadFailed, mysql.MySQLErrName[mysql.ErrAutoincReadFailed]) - ErrWrongAutoKey = terror.ClassAutoid.New(mysql.ErrWrongAutoKey, mysql.MySQLErrName[mysql.ErrWrongAutoKey]) - ErrInvalidAllocatorType = terror.ClassAutoid.New(mysql.ErrUnknownAllocatorType, mysql.MySQLErrName[mysql.ErrUnknownAllocatorType]) - ErrAutoRandReadFailed = terror.ClassAutoid.New(mysql.ErrAutoRandReadFailed, mysql.MySQLErrName[mysql.ErrAutoRandReadFailed]) + errInvalidTableID = dbterror.ClassAutoid.NewStd(mysql.ErrInvalidTableID) + errInvalidIncrementAndOffset = dbterror.ClassAutoid.NewStd(mysql.ErrInvalidIncrementAndOffset) + ErrAutoincReadFailed = dbterror.ClassAutoid.NewStd(mysql.ErrAutoincReadFailed) + ErrWrongAutoKey = dbterror.ClassAutoid.NewStd(mysql.ErrWrongAutoKey) + ErrInvalidAllocatorType = dbterror.ClassAutoid.NewStd(mysql.ErrUnknownAllocatorType) + ErrAutoRandReadFailed = dbterror.ClassAutoid.NewStd(mysql.ErrAutoRandReadFailed) ) const ( diff --git a/meta/meta.go b/meta/meta.go index 7d559d11d6ff1..849835b5574c2 100644 --- a/meta/meta.go +++ b/meta/meta.go @@ -27,11 +27,11 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" - "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/errno" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/metrics" "github.com/pingcap/tidb/structure" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/logutil" "go.uber.org/zap" ) @@ -72,15 +72,15 @@ var ( var ( // ErrDBExists is the error for db exists. - ErrDBExists = terror.ClassMeta.New(mysql.ErrDBCreateExists, mysql.MySQLErrName[mysql.ErrDBCreateExists]) + ErrDBExists = dbterror.ClassMeta.NewStd(mysql.ErrDBCreateExists) // ErrDBNotExists is the error for db not exists. - ErrDBNotExists = terror.ClassMeta.New(mysql.ErrBadDB, mysql.MySQLErrName[mysql.ErrBadDB]) + ErrDBNotExists = dbterror.ClassMeta.NewStd(mysql.ErrBadDB) // ErrTableExists is the error for table exists. - ErrTableExists = terror.ClassMeta.New(mysql.ErrTableExists, mysql.MySQLErrName[mysql.ErrTableExists]) + ErrTableExists = dbterror.ClassMeta.NewStd(mysql.ErrTableExists) // ErrTableNotExists is the error for table not exists. - ErrTableNotExists = terror.ClassMeta.New(mysql.ErrNoSuchTable, mysql.MySQLErrName[mysql.ErrNoSuchTable]) + ErrTableNotExists = dbterror.ClassMeta.NewStd(mysql.ErrNoSuchTable) // ErrDDLReorgElementNotExist is the error for reorg element not exists. - ErrDDLReorgElementNotExist = terror.ClassMeta.New(errno.ErrDDLReorgElementNotExist, errno.MySQLErrName[errno.ErrDDLReorgElementNotExist]) + ErrDDLReorgElementNotExist = dbterror.ClassMeta.NewStd(errno.ErrDDLReorgElementNotExist) ) // Meta is for handling meta information in a transaction. diff --git a/planner/core/errors.go b/planner/core/errors.go index 7e659ff646142..63d8bed87138b 100644 --- a/planner/core/errors.go +++ b/planner/core/errors.go @@ -14,72 +14,72 @@ package core import ( - "github.com/pingcap/parser/terror" mysql "github.com/pingcap/tidb/errno" + "github.com/pingcap/tidb/util/dbterror" ) // error definitions. var ( - ErrUnsupportedType = terror.ClassOptimizer.New(mysql.ErrUnsupportedType, mysql.MySQLErrName[mysql.ErrUnsupportedType]) - ErrAnalyzeMissIndex = terror.ClassOptimizer.New(mysql.ErrAnalyzeMissIndex, mysql.MySQLErrName[mysql.ErrAnalyzeMissIndex]) - ErrWrongParamCount = terror.ClassOptimizer.New(mysql.ErrWrongParamCount, mysql.MySQLErrName[mysql.ErrWrongParamCount]) - ErrSchemaChanged = terror.ClassOptimizer.New(mysql.ErrSchemaChanged, mysql.MySQLErrName[mysql.ErrSchemaChanged]) - ErrTablenameNotAllowedHere = terror.ClassOptimizer.New(mysql.ErrTablenameNotAllowedHere, mysql.MySQLErrName[mysql.ErrTablenameNotAllowedHere]) - ErrNotSupportedYet = terror.ClassOptimizer.New(mysql.ErrNotSupportedYet, mysql.MySQLErrName[mysql.ErrNotSupportedYet]) - ErrWrongUsage = terror.ClassOptimizer.New(mysql.ErrWrongUsage, mysql.MySQLErrName[mysql.ErrWrongUsage]) - ErrUnknown = terror.ClassOptimizer.New(mysql.ErrUnknown, mysql.MySQLErrName[mysql.ErrUnknown]) - ErrUnknownTable = terror.ClassOptimizer.New(mysql.ErrUnknownTable, mysql.MySQLErrName[mysql.ErrUnknownTable]) - ErrNoSuchTable = terror.ClassOptimizer.New(mysql.ErrNoSuchTable, mysql.MySQLErrName[mysql.ErrNoSuchTable]) - ErrWrongArguments = terror.ClassOptimizer.New(mysql.ErrWrongArguments, mysql.MySQLErrName[mysql.ErrWrongArguments]) - ErrWrongNumberOfColumnsInSelect = terror.ClassOptimizer.New(mysql.ErrWrongNumberOfColumnsInSelect, mysql.MySQLErrName[mysql.ErrWrongNumberOfColumnsInSelect]) - ErrBadGeneratedColumn = terror.ClassOptimizer.New(mysql.ErrBadGeneratedColumn, mysql.MySQLErrName[mysql.ErrBadGeneratedColumn]) - ErrFieldNotInGroupBy = terror.ClassOptimizer.New(mysql.ErrFieldNotInGroupBy, mysql.MySQLErrName[mysql.ErrFieldNotInGroupBy]) - ErrBadTable = terror.ClassOptimizer.New(mysql.ErrBadTable, mysql.MySQLErrName[mysql.ErrBadTable]) - ErrKeyDoesNotExist = terror.ClassOptimizer.New(mysql.ErrKeyDoesNotExist, mysql.MySQLErrName[mysql.ErrKeyDoesNotExist]) - ErrOperandColumns = terror.ClassOptimizer.New(mysql.ErrOperandColumns, mysql.MySQLErrName[mysql.ErrOperandColumns]) - ErrInvalidGroupFuncUse = terror.ClassOptimizer.New(mysql.ErrInvalidGroupFuncUse, mysql.MySQLErrName[mysql.ErrInvalidGroupFuncUse]) - ErrIllegalReference = terror.ClassOptimizer.New(mysql.ErrIllegalReference, mysql.MySQLErrName[mysql.ErrIllegalReference]) - ErrNoDB = terror.ClassOptimizer.New(mysql.ErrNoDB, mysql.MySQLErrName[mysql.ErrNoDB]) - ErrUnknownExplainFormat = terror.ClassOptimizer.New(mysql.ErrUnknownExplainFormat, mysql.MySQLErrName[mysql.ErrUnknownExplainFormat]) - ErrWrongGroupField = terror.ClassOptimizer.New(mysql.ErrWrongGroupField, mysql.MySQLErrName[mysql.ErrWrongGroupField]) - ErrDupFieldName = terror.ClassOptimizer.New(mysql.ErrDupFieldName, mysql.MySQLErrName[mysql.ErrDupFieldName]) - ErrNonUpdatableTable = terror.ClassOptimizer.New(mysql.ErrNonUpdatableTable, mysql.MySQLErrName[mysql.ErrNonUpdatableTable]) - ErrInternal = terror.ClassOptimizer.New(mysql.ErrInternal, mysql.MySQLErrName[mysql.ErrInternal]) - ErrNonUniqTable = terror.ClassOptimizer.New(mysql.ErrNonuniqTable, mysql.MySQLErrName[mysql.ErrNonuniqTable]) - ErrWindowInvalidWindowFuncUse = terror.ClassOptimizer.New(mysql.ErrWindowInvalidWindowFuncUse, mysql.MySQLErrName[mysql.ErrWindowInvalidWindowFuncUse]) - ErrWindowInvalidWindowFuncAliasUse = terror.ClassOptimizer.New(mysql.ErrWindowInvalidWindowFuncAliasUse, mysql.MySQLErrName[mysql.ErrWindowInvalidWindowFuncAliasUse]) - ErrWindowNoSuchWindow = terror.ClassOptimizer.New(mysql.ErrWindowNoSuchWindow, mysql.MySQLErrName[mysql.ErrWindowNoSuchWindow]) - ErrWindowCircularityInWindowGraph = terror.ClassOptimizer.New(mysql.ErrWindowCircularityInWindowGraph, mysql.MySQLErrName[mysql.ErrWindowCircularityInWindowGraph]) - ErrWindowNoChildPartitioning = terror.ClassOptimizer.New(mysql.ErrWindowNoChildPartitioning, mysql.MySQLErrName[mysql.ErrWindowNoChildPartitioning]) - ErrWindowNoInherentFrame = terror.ClassOptimizer.New(mysql.ErrWindowNoInherentFrame, mysql.MySQLErrName[mysql.ErrWindowNoInherentFrame]) - ErrWindowNoRedefineOrderBy = terror.ClassOptimizer.New(mysql.ErrWindowNoRedefineOrderBy, mysql.MySQLErrName[mysql.ErrWindowNoRedefineOrderBy]) - ErrWindowDuplicateName = terror.ClassOptimizer.New(mysql.ErrWindowDuplicateName, mysql.MySQLErrName[mysql.ErrWindowDuplicateName]) - ErrPartitionClauseOnNonpartitioned = terror.ClassOptimizer.New(mysql.ErrPartitionClauseOnNonpartitioned, mysql.MySQLErrName[mysql.ErrPartitionClauseOnNonpartitioned]) - ErrWindowFrameStartIllegal = terror.ClassOptimizer.New(mysql.ErrWindowFrameStartIllegal, mysql.MySQLErrName[mysql.ErrWindowFrameStartIllegal]) - ErrWindowFrameEndIllegal = terror.ClassOptimizer.New(mysql.ErrWindowFrameEndIllegal, mysql.MySQLErrName[mysql.ErrWindowFrameEndIllegal]) - ErrWindowFrameIllegal = terror.ClassOptimizer.New(mysql.ErrWindowFrameIllegal, mysql.MySQLErrName[mysql.ErrWindowFrameIllegal]) - ErrWindowRangeFrameOrderType = terror.ClassOptimizer.New(mysql.ErrWindowRangeFrameOrderType, mysql.MySQLErrName[mysql.ErrWindowRangeFrameOrderType]) - ErrWindowRangeFrameTemporalType = terror.ClassOptimizer.New(mysql.ErrWindowRangeFrameTemporalType, mysql.MySQLErrName[mysql.ErrWindowRangeFrameTemporalType]) - ErrWindowRangeFrameNumericType = terror.ClassOptimizer.New(mysql.ErrWindowRangeFrameNumericType, mysql.MySQLErrName[mysql.ErrWindowRangeFrameNumericType]) - ErrWindowRangeBoundNotConstant = terror.ClassOptimizer.New(mysql.ErrWindowRangeBoundNotConstant, mysql.MySQLErrName[mysql.ErrWindowRangeBoundNotConstant]) - ErrWindowRowsIntervalUse = terror.ClassOptimizer.New(mysql.ErrWindowRowsIntervalUse, mysql.MySQLErrName[mysql.ErrWindowRowsIntervalUse]) - ErrWindowFunctionIgnoresFrame = terror.ClassOptimizer.New(mysql.ErrWindowFunctionIgnoresFrame, mysql.MySQLErrName[mysql.ErrWindowFunctionIgnoresFrame]) - ErrUnsupportedOnGeneratedColumn = terror.ClassOptimizer.New(mysql.ErrUnsupportedOnGeneratedColumn, mysql.MySQLErrName[mysql.ErrUnsupportedOnGeneratedColumn]) - ErrPrivilegeCheckFail = terror.ClassOptimizer.New(mysql.ErrPrivilegeCheckFail, mysql.MySQLErrName[mysql.ErrPrivilegeCheckFail]) - ErrInvalidWildCard = terror.ClassOptimizer.New(mysql.ErrInvalidWildCard, mysql.MySQLErrName[mysql.ErrInvalidWildCard]) - ErrMixOfGroupFuncAndFields = terror.ClassOptimizer.New(mysql.ErrMixOfGroupFuncAndFieldsIncompatible, mysql.MySQLErrName[mysql.ErrMixOfGroupFuncAndFieldsIncompatible]) - errTooBigPrecision = terror.ClassExpression.New(mysql.ErrTooBigPrecision, mysql.MySQLErrName[mysql.ErrTooBigPrecision]) - ErrDBaccessDenied = terror.ClassOptimizer.New(mysql.ErrDBaccessDenied, mysql.MySQLErrName[mysql.ErrDBaccessDenied]) - ErrTableaccessDenied = terror.ClassOptimizer.New(mysql.ErrTableaccessDenied, mysql.MySQLErrName[mysql.ErrTableaccessDenied]) - ErrSpecificAccessDenied = terror.ClassOptimizer.New(mysql.ErrSpecificAccessDenied, mysql.MySQLErrName[mysql.ErrSpecificAccessDenied]) - ErrViewNoExplain = terror.ClassOptimizer.New(mysql.ErrViewNoExplain, mysql.MySQLErrName[mysql.ErrViewNoExplain]) - ErrWrongValueCountOnRow = terror.ClassOptimizer.New(mysql.ErrWrongValueCountOnRow, mysql.MySQLErrName[mysql.ErrWrongValueCountOnRow]) - ErrViewInvalid = terror.ClassOptimizer.New(mysql.ErrViewInvalid, mysql.MySQLErrName[mysql.ErrViewInvalid]) - ErrNoSuchThread = terror.ClassOptimizer.New(mysql.ErrNoSuchThread, mysql.MySQLErrName[mysql.ErrNoSuchThread]) - ErrUnknownColumn = terror.ClassOptimizer.New(mysql.ErrBadField, mysql.MySQLErrName[mysql.ErrBadField]) - ErrCartesianProductUnsupported = terror.ClassOptimizer.New(mysql.ErrCartesianProductUnsupported, mysql.MySQLErrName[mysql.ErrCartesianProductUnsupported]) - ErrStmtNotFound = terror.ClassOptimizer.New(mysql.ErrPreparedStmtNotFound, mysql.MySQLErrName[mysql.ErrPreparedStmtNotFound]) - ErrAmbiguous = terror.ClassOptimizer.New(mysql.ErrNonUniq, mysql.MySQLErrName[mysql.ErrNonUniq]) + ErrUnsupportedType = dbterror.ClassOptimizer.NewStd(mysql.ErrUnsupportedType) + ErrAnalyzeMissIndex = dbterror.ClassOptimizer.NewStd(mysql.ErrAnalyzeMissIndex) + ErrWrongParamCount = dbterror.ClassOptimizer.NewStd(mysql.ErrWrongParamCount) + ErrSchemaChanged = dbterror.ClassOptimizer.NewStd(mysql.ErrSchemaChanged) + ErrTablenameNotAllowedHere = dbterror.ClassOptimizer.NewStd(mysql.ErrTablenameNotAllowedHere) + ErrNotSupportedYet = dbterror.ClassOptimizer.NewStd(mysql.ErrNotSupportedYet) + ErrWrongUsage = dbterror.ClassOptimizer.NewStd(mysql.ErrWrongUsage) + ErrUnknown = dbterror.ClassOptimizer.NewStd(mysql.ErrUnknown) + ErrUnknownTable = dbterror.ClassOptimizer.NewStd(mysql.ErrUnknownTable) + ErrNoSuchTable = dbterror.ClassOptimizer.NewStd(mysql.ErrNoSuchTable) + ErrWrongArguments = dbterror.ClassOptimizer.NewStd(mysql.ErrWrongArguments) + ErrWrongNumberOfColumnsInSelect = dbterror.ClassOptimizer.NewStd(mysql.ErrWrongNumberOfColumnsInSelect) + ErrBadGeneratedColumn = dbterror.ClassOptimizer.NewStd(mysql.ErrBadGeneratedColumn) + ErrFieldNotInGroupBy = dbterror.ClassOptimizer.NewStd(mysql.ErrFieldNotInGroupBy) + ErrBadTable = dbterror.ClassOptimizer.NewStd(mysql.ErrBadTable) + ErrKeyDoesNotExist = dbterror.ClassOptimizer.NewStd(mysql.ErrKeyDoesNotExist) + ErrOperandColumns = dbterror.ClassOptimizer.NewStd(mysql.ErrOperandColumns) + ErrInvalidGroupFuncUse = dbterror.ClassOptimizer.NewStd(mysql.ErrInvalidGroupFuncUse) + ErrIllegalReference = dbterror.ClassOptimizer.NewStd(mysql.ErrIllegalReference) + ErrNoDB = dbterror.ClassOptimizer.NewStd(mysql.ErrNoDB) + ErrUnknownExplainFormat = dbterror.ClassOptimizer.NewStd(mysql.ErrUnknownExplainFormat) + ErrWrongGroupField = dbterror.ClassOptimizer.NewStd(mysql.ErrWrongGroupField) + ErrDupFieldName = dbterror.ClassOptimizer.NewStd(mysql.ErrDupFieldName) + ErrNonUpdatableTable = dbterror.ClassOptimizer.NewStd(mysql.ErrNonUpdatableTable) + ErrInternal = dbterror.ClassOptimizer.NewStd(mysql.ErrInternal) + ErrNonUniqTable = dbterror.ClassOptimizer.NewStd(mysql.ErrNonuniqTable) + ErrWindowInvalidWindowFuncUse = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowInvalidWindowFuncUse) + ErrWindowInvalidWindowFuncAliasUse = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowInvalidWindowFuncAliasUse) + ErrWindowNoSuchWindow = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowNoSuchWindow) + ErrWindowCircularityInWindowGraph = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowCircularityInWindowGraph) + ErrWindowNoChildPartitioning = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowNoChildPartitioning) + ErrWindowNoInherentFrame = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowNoInherentFrame) + ErrWindowNoRedefineOrderBy = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowNoRedefineOrderBy) + ErrWindowDuplicateName = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowDuplicateName) + ErrPartitionClauseOnNonpartitioned = dbterror.ClassOptimizer.NewStd(mysql.ErrPartitionClauseOnNonpartitioned) + ErrWindowFrameStartIllegal = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowFrameStartIllegal) + ErrWindowFrameEndIllegal = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowFrameEndIllegal) + ErrWindowFrameIllegal = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowFrameIllegal) + ErrWindowRangeFrameOrderType = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowRangeFrameOrderType) + ErrWindowRangeFrameTemporalType = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowRangeFrameTemporalType) + ErrWindowRangeFrameNumericType = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowRangeFrameNumericType) + ErrWindowRangeBoundNotConstant = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowRangeBoundNotConstant) + ErrWindowRowsIntervalUse = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowRowsIntervalUse) + ErrWindowFunctionIgnoresFrame = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowFunctionIgnoresFrame) + ErrUnsupportedOnGeneratedColumn = dbterror.ClassOptimizer.NewStd(mysql.ErrUnsupportedOnGeneratedColumn) + ErrPrivilegeCheckFail = dbterror.ClassOptimizer.NewStd(mysql.ErrPrivilegeCheckFail) + ErrInvalidWildCard = dbterror.ClassOptimizer.NewStd(mysql.ErrInvalidWildCard) + ErrMixOfGroupFuncAndFields = dbterror.ClassOptimizer.NewStd(mysql.ErrMixOfGroupFuncAndFieldsIncompatible) + errTooBigPrecision = dbterror.ClassExpression.NewStd(mysql.ErrTooBigPrecision) + ErrDBaccessDenied = dbterror.ClassOptimizer.NewStd(mysql.ErrDBaccessDenied) + ErrTableaccessDenied = dbterror.ClassOptimizer.NewStd(mysql.ErrTableaccessDenied) + ErrSpecificAccessDenied = dbterror.ClassOptimizer.NewStd(mysql.ErrSpecificAccessDenied) + ErrViewNoExplain = dbterror.ClassOptimizer.NewStd(mysql.ErrViewNoExplain) + ErrWrongValueCountOnRow = dbterror.ClassOptimizer.NewStd(mysql.ErrWrongValueCountOnRow) + ErrViewInvalid = dbterror.ClassOptimizer.NewStd(mysql.ErrViewInvalid) + ErrNoSuchThread = dbterror.ClassOptimizer.NewStd(mysql.ErrNoSuchThread) + ErrUnknownColumn = dbterror.ClassOptimizer.NewStd(mysql.ErrBadField) + ErrCartesianProductUnsupported = dbterror.ClassOptimizer.NewStd(mysql.ErrCartesianProductUnsupported) + ErrStmtNotFound = dbterror.ClassOptimizer.NewStd(mysql.ErrPreparedStmtNotFound) + ErrAmbiguous = dbterror.ClassOptimizer.NewStd(mysql.ErrNonUniq) // Since we cannot know if user logged in with a password, use message of ErrAccessDeniedNoPassword instead - ErrAccessDenied = terror.ClassOptimizer.New(mysql.ErrAccessDenied, mysql.MySQLErrName[mysql.ErrAccessDeniedNoPassword]) + ErrAccessDenied = dbterror.ClassOptimizer.NewStdErr(mysql.ErrAccessDenied, mysql.MySQLErrName[mysql.ErrAccessDeniedNoPassword], "", "") ) diff --git a/plugin/errors.go b/plugin/errors.go index a0f4a792f89d3..c310fa4e6be7e 100644 --- a/plugin/errors.go +++ b/plugin/errors.go @@ -14,16 +14,16 @@ package plugin import ( - "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/errno" + "github.com/pingcap/tidb/util/dbterror" ) var ( - errInvalidPluginID = terror.ClassPlugin.NewStd(errno.ErrInvalidPluginID) - errInvalidPluginManifest = terror.ClassPlugin.NewStd(errno.ErrInvalidPluginManifest) - errInvalidPluginName = terror.ClassPlugin.NewStd(errno.ErrInvalidPluginName) - errInvalidPluginVersion = terror.ClassPlugin.NewStd(errno.ErrInvalidPluginVersion) - errDuplicatePlugin = terror.ClassPlugin.NewStd(errno.ErrDuplicatePlugin) - errInvalidPluginSysVarName = terror.ClassPlugin.NewStd(errno.ErrInvalidPluginSysVarName) - errRequireVersionCheckFail = terror.ClassPlugin.NewStd(errno.ErrRequireVersionCheckFail) + errInvalidPluginID = dbterror.ClassPlugin.NewStd(errno.ErrInvalidPluginID) + errInvalidPluginManifest = dbterror.ClassPlugin.NewStd(errno.ErrInvalidPluginManifest) + errInvalidPluginName = dbterror.ClassPlugin.NewStd(errno.ErrInvalidPluginName) + errInvalidPluginVersion = dbterror.ClassPlugin.NewStd(errno.ErrInvalidPluginVersion) + errDuplicatePlugin = dbterror.ClassPlugin.NewStd(errno.ErrDuplicatePlugin) + errInvalidPluginSysVarName = dbterror.ClassPlugin.NewStd(errno.ErrInvalidPluginSysVarName) + errRequireVersionCheckFail = dbterror.ClassPlugin.NewStd(errno.ErrRequireVersionCheckFail) ) diff --git a/privilege/privileges/errors.go b/privilege/privileges/errors.go index a1fea3ce0c897..daadc33b43c2a 100644 --- a/privilege/privileges/errors.go +++ b/privilege/privileges/errors.go @@ -14,13 +14,13 @@ package privileges import ( - "github.com/pingcap/parser/terror" mysql "github.com/pingcap/tidb/errno" + "github.com/pingcap/tidb/util/dbterror" ) // error definitions. var ( - errInvalidPrivilegeType = terror.ClassPrivilege.New(mysql.ErrInvalidPrivilegeType, mysql.MySQLErrName[mysql.ErrInvalidPrivilegeType]) - ErrNonexistingGrant = terror.ClassPrivilege.New(mysql.ErrNonexistingGrant, mysql.MySQLErrName[mysql.ErrNonexistingGrant]) - errLoadPrivilege = terror.ClassPrivilege.New(mysql.ErrLoadPrivilege, mysql.MySQLErrName[mysql.ErrLoadPrivilege]) + errInvalidPrivilegeType = dbterror.ClassPrivilege.NewStd(mysql.ErrInvalidPrivilegeType) + ErrNonexistingGrant = dbterror.ClassPrivilege.NewStd(mysql.ErrNonexistingGrant) + errLoadPrivilege = dbterror.ClassPrivilege.NewStd(mysql.ErrLoadPrivilege) ) diff --git a/server/conn.go b/server/conn.go index 0f2d50e7b5f3e..ed01a165e21f4 100644 --- a/server/conn.go +++ b/server/conn.go @@ -1038,7 +1038,7 @@ func (cc *clientConn) dispatch(ctx context.Context, data []byte) error { return cc.handleResetConnection(ctx) // ComEnd default: - return mysql.NewErrf(mysql.ErrUnknown, "command %d not supported now", cmd) + return mysql.NewErrf(mysql.ErrUnknown, "command %d not supported now", nil, cmd) } } @@ -1115,7 +1115,7 @@ func (cc *clientConn) writeError(ctx context.Context, e error) error { case *terror.Error: m = terror.ToSQLError(y) default: - m = mysql.NewErrf(mysql.ErrUnknown, "%s", e.Error()) + m = mysql.NewErrf(mysql.ErrUnknown, "%s", nil, e.Error()) } } @@ -1960,7 +1960,7 @@ func (cc getLastStmtInConn) String() string { return "ListFields " + string(data) case mysql.ComQuery, mysql.ComStmtPrepare: sql := string(hack.String(data)) - if config.RedactLogEnabled() { + if cc.ctx.GetSessionVars().EnableRedactLog { sql, _ = parser.NormalizeDigest(sql) } return queryStrForLog(sql) diff --git a/server/conn_stmt.go b/server/conn_stmt.go index bcc074af5afec..43d23e7d2b4a0 100644 --- a/server/conn_stmt.go +++ b/server/conn_stmt.go @@ -46,7 +46,6 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" - "github.com/pingcap/tidb/config" plannercore "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/types" @@ -142,7 +141,7 @@ func (cc *clientConn) handleStmtExecute(ctx context.Context, data []byte) (err e case 1: useCursor = true default: - return mysql.NewErrf(mysql.ErrUnknown, "unsupported flag %d", flag) + return mysql.NewErrf(mysql.ErrUnknown, "unsupported flag %d", nil, flag) } // skip iteration-count, always 1 @@ -640,7 +639,7 @@ func (cc *clientConn) preparedStmt2String(stmtID uint32) string { if sv == nil { return "" } - if config.RedactLogEnabled() { + if sv.EnableRedactLog { return cc.preparedStmt2StringNoArgs(stmtID) } return cc.preparedStmt2StringNoArgs(stmtID) + sv.PreparedParams.String() diff --git a/server/server.go b/server/server.go index 88f5a75882811..a448ef91102df 100644 --- a/server/server.go +++ b/server/server.go @@ -58,6 +58,7 @@ import ( "github.com/pingcap/tidb/plugin" "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/util" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/fastrand" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/sys/linux" @@ -90,14 +91,14 @@ func init() { } var ( - errUnknownFieldType = terror.ClassServer.New(errno.ErrUnknownFieldType, errno.MySQLErrName[errno.ErrUnknownFieldType]) - errInvalidSequence = terror.ClassServer.New(errno.ErrInvalidSequence, errno.MySQLErrName[errno.ErrInvalidSequence]) - errInvalidType = terror.ClassServer.New(errno.ErrInvalidType, errno.MySQLErrName[errno.ErrInvalidType]) - errNotAllowedCommand = terror.ClassServer.New(errno.ErrNotAllowedCommand, errno.MySQLErrName[errno.ErrNotAllowedCommand]) - errAccessDenied = terror.ClassServer.New(errno.ErrAccessDenied, errno.MySQLErrName[errno.ErrAccessDenied]) - errConCount = terror.ClassServer.New(errno.ErrConCount, errno.MySQLErrName[errno.ErrConCount]) - errSecureTransportRequired = terror.ClassServer.New(errno.ErrSecureTransportRequired, errno.MySQLErrName[errno.ErrSecureTransportRequired]) - errMultiStatementDisabled = terror.ClassServer.New(errno.ErrUnknown, "client has multi-statement capability disabled") // MySQL returns a parse error + errUnknownFieldType = dbterror.ClassServer.NewStd(errno.ErrUnknownFieldType) + errInvalidSequence = dbterror.ClassServer.NewStd(errno.ErrInvalidSequence) + errInvalidType = dbterror.ClassServer.NewStd(errno.ErrInvalidType) + errNotAllowedCommand = dbterror.ClassServer.NewStd(errno.ErrNotAllowedCommand) + errAccessDenied = dbterror.ClassServer.NewStd(errno.ErrAccessDenied) + errConCount = dbterror.ClassServer.NewStd(errno.ErrConCount) + errSecureTransportRequired = dbterror.ClassServer.NewStd(errno.ErrSecureTransportRequired) + errMultiStatementDisabled = dbterror.ClassServer.NewStdErr(errno.ErrUnknown, mysql.Message("client has multi-statement capability disabled", nil), "", "") // MySQL returns a parse error ) // DefaultCapability is the capability of the server when it is created using the default configuration. diff --git a/session/session.go b/session/session.go index 74424b170e8bd..b6494527e4164 100644 --- a/session/session.go +++ b/session/session.go @@ -685,7 +685,7 @@ func (s *session) retry(ctx context.Context, maxCnt uint) (err error) { // We do not have to log the query every time. // We print the queries at the first try only. sql := sqlForLog(st.GetTextToLog()) - if !config.RedactLogEnabled() { + if !sessVars.EnableRedactLog { sql += sessVars.PreparedParams.String() } logutil.Logger(ctx).Warn("retrying", @@ -991,6 +991,9 @@ func (s *session) GetAllSysVars() (map[string]string, error) { // GetGlobalSysVar implements GlobalVarAccessor.GetGlobalSysVar interface. func (s *session) GetGlobalSysVar(name string) (string, error) { + if name == variable.TiDBSlowLogMasking { + name = variable.TiDBRedactLog + } if s.Value(sessionctx.Initing) != nil { // When running bootstrap or upgrade, we should not access global storage. return "", nil @@ -1013,6 +1016,9 @@ func (s *session) GetGlobalSysVar(name string) (string, error) { // SetGlobalSysVar implements GlobalVarAccessor.SetGlobalSysVar interface. func (s *session) SetGlobalSysVar(name, value string) error { + if name == variable.TiDBSlowLogMasking { + name = variable.TiDBRedactLog + } if name == variable.SQLModeVar { value = mysql.FormatSQLModeStr(value) if _, err := mysql.GetSQLMode(value); err != nil { @@ -2149,7 +2155,6 @@ var builtinGlobalVariable = []string{ variable.TiDBAllowAutoRandExplicitInsert, variable.TiDBEnableClusteredIndex, variable.TiDBPartitionPruneMode, - variable.TiDBSlowLogMasking, variable.TiDBRedactLog, variable.TiDBEnableTelemetry, variable.TiDBShardAllocateStep, @@ -2331,7 +2336,7 @@ func logStmt(execStmt *executor.ExecStmt, vars *variable.SessionVars) { func logQuery(query string, vars *variable.SessionVars) { if atomic.LoadUint32(&variable.ProcessGeneralLog) != 0 && !vars.InRestrictedSQL { query = executor.QueryReplacer.Replace(query) - if !config.RedactLogEnabled() { + if !vars.EnableRedactLog { query = query + vars.PreparedParams.String() } logutil.BgLogger().Info("GENERAL_LOG", diff --git a/session/session_test.go b/session/session_test.go index a1f58ecd79247..fb31a3a3e72ee 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -3237,6 +3237,34 @@ func (s *testSessionSuite2) TestPerStmtTaskID(c *C) { c.Assert(taskID1 != taskID2, IsTrue) } +func (s *testSessionSuite2) TestDeprecateSlowLogMasking(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + + tk.MustExec("set @@global.tidb_redact_log=0") + tk.MustQuery("select @@global.tidb_redact_log").Check(testkit.Rows("0")) + tk.MustQuery("select @@global.tidb_slow_log_masking").Check(testkit.Rows("0")) + + tk.MustExec("set @@global.tidb_redact_log=1") + tk.MustQuery("select @@global.tidb_redact_log").Check(testkit.Rows("1")) + tk.MustQuery("select @@global.tidb_slow_log_masking").Check(testkit.Rows("1")) + + tk.MustExec("set @@global.tidb_slow_log_masking=0") + tk.MustQuery("select @@global.tidb_redact_log").Check(testkit.Rows("0")) + tk.MustQuery("select @@global.tidb_slow_log_masking").Check(testkit.Rows("0")) + + tk.MustExec("set @@session.tidb_redact_log=0") + tk.MustQuery("select @@session.tidb_redact_log").Check(testkit.Rows("0")) + tk.MustQuery("select @@session.tidb_slow_log_masking").Check(testkit.Rows("0")) + + tk.MustExec("set @@session.tidb_redact_log=1") + tk.MustQuery("select @@session.tidb_redact_log").Check(testkit.Rows("1")) + tk.MustQuery("select @@session.tidb_slow_log_masking").Check(testkit.Rows("1")) + + tk.MustExec("set @@session.tidb_slow_log_masking=0") + tk.MustQuery("select @@session.tidb_redact_log").Check(testkit.Rows("0")) + tk.MustQuery("select @@session.tidb_slow_log_masking").Check(testkit.Rows("0")) +} + func (s *testSessionSerialSuite) TestDoDDLJobQuit(c *C) { // test https://github.com/pingcap/tidb/issues/18714, imitate DM's use environment // use isolated store, because in below failpoint we will cancel its context diff --git a/session/tidb.go b/session/tidb.go index 65103f7114519..d281c4cc0ce3d 100644 --- a/session/tidb.go +++ b/session/tidb.go @@ -27,7 +27,6 @@ import ( "github.com/pingcap/parser" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/mysql" - "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/errno" @@ -37,6 +36,7 @@ import ( "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/chunk" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/sqlexec" "go.uber.org/zap" @@ -332,5 +332,5 @@ func ResultSetToStringSlice(ctx context.Context, s Session, rs sqlexec.RecordSet // Session errors. var ( - ErrForUpdateCantRetry = terror.ClassSession.New(errno.ErrForUpdateCantRetry, errno.MySQLErrName[errno.ErrForUpdateCantRetry]) + ErrForUpdateCantRetry = dbterror.ClassSession.NewStd(errno.ErrForUpdateCantRetry) ) diff --git a/sessionctx/variable/error.go b/sessionctx/variable/error.go index 016783bdb64a3..b6a5bf2901def 100644 --- a/sessionctx/variable/error.go +++ b/sessionctx/variable/error.go @@ -14,24 +14,24 @@ package variable import ( - "github.com/pingcap/parser/terror" mysql "github.com/pingcap/tidb/errno" + "github.com/pingcap/tidb/util/dbterror" ) // Error instances. var ( - errCantGetValidID = terror.ClassVariable.New(mysql.ErrCantGetValidID, mysql.MySQLErrName[mysql.ErrCantGetValidID]) - errWarnDeprecatedSyntax = terror.ClassVariable.New(mysql.ErrWarnDeprecatedSyntax, mysql.MySQLErrName[mysql.ErrWarnDeprecatedSyntax]) - ErrCantSetToNull = terror.ClassVariable.New(mysql.ErrCantSetToNull, mysql.MySQLErrName[mysql.ErrCantSetToNull]) - ErrSnapshotTooOld = terror.ClassVariable.New(mysql.ErrSnapshotTooOld, mysql.MySQLErrName[mysql.ErrSnapshotTooOld]) - ErrUnsupportedValueForVar = terror.ClassVariable.New(mysql.ErrUnsupportedValueForVar, mysql.MySQLErrName[mysql.ErrUnsupportedValueForVar]) - ErrUnknownSystemVar = terror.ClassVariable.New(mysql.ErrUnknownSystemVariable, mysql.MySQLErrName[mysql.ErrUnknownSystemVariable]) - ErrIncorrectScope = terror.ClassVariable.New(mysql.ErrIncorrectGlobalLocalVar, mysql.MySQLErrName[mysql.ErrIncorrectGlobalLocalVar]) - ErrUnknownTimeZone = terror.ClassVariable.New(mysql.ErrUnknownTimeZone, mysql.MySQLErrName[mysql.ErrUnknownTimeZone]) - ErrReadOnly = terror.ClassVariable.New(mysql.ErrVariableIsReadonly, mysql.MySQLErrName[mysql.ErrVariableIsReadonly]) - ErrWrongValueForVar = terror.ClassVariable.New(mysql.ErrWrongValueForVar, mysql.MySQLErrName[mysql.ErrWrongValueForVar]) - ErrWrongTypeForVar = terror.ClassVariable.New(mysql.ErrWrongTypeForVar, mysql.MySQLErrName[mysql.ErrWrongTypeForVar]) - ErrTruncatedWrongValue = terror.ClassVariable.New(mysql.ErrTruncatedWrongValue, mysql.MySQLErrName[mysql.ErrTruncatedWrongValue]) - ErrMaxPreparedStmtCountReached = terror.ClassVariable.New(mysql.ErrMaxPreparedStmtCountReached, mysql.MySQLErrName[mysql.ErrMaxPreparedStmtCountReached]) - ErrUnsupportedIsolationLevel = terror.ClassVariable.New(mysql.ErrUnsupportedIsolationLevel, mysql.MySQLErrName[mysql.ErrUnsupportedIsolationLevel]) + errCantGetValidID = dbterror.ClassVariable.NewStd(mysql.ErrCantGetValidID) + errWarnDeprecatedSyntax = dbterror.ClassVariable.NewStd(mysql.ErrWarnDeprecatedSyntax) + ErrCantSetToNull = dbterror.ClassVariable.NewStd(mysql.ErrCantSetToNull) + ErrSnapshotTooOld = dbterror.ClassVariable.NewStd(mysql.ErrSnapshotTooOld) + ErrUnsupportedValueForVar = dbterror.ClassVariable.NewStd(mysql.ErrUnsupportedValueForVar) + ErrUnknownSystemVar = dbterror.ClassVariable.NewStd(mysql.ErrUnknownSystemVariable) + ErrIncorrectScope = dbterror.ClassVariable.NewStd(mysql.ErrIncorrectGlobalLocalVar) + ErrUnknownTimeZone = dbterror.ClassVariable.NewStd(mysql.ErrUnknownTimeZone) + ErrReadOnly = dbterror.ClassVariable.NewStd(mysql.ErrVariableIsReadonly) + ErrWrongValueForVar = dbterror.ClassVariable.NewStd(mysql.ErrWrongValueForVar) + ErrWrongTypeForVar = dbterror.ClassVariable.NewStd(mysql.ErrWrongTypeForVar) + ErrTruncatedWrongValue = dbterror.ClassVariable.NewStd(mysql.ErrTruncatedWrongValue) + ErrMaxPreparedStmtCountReached = dbterror.ClassVariable.NewStd(mysql.ErrMaxPreparedStmtCountReached) + ErrUnsupportedIsolationLevel = dbterror.ClassVariable.NewStd(mysql.ErrUnsupportedIsolationLevel) ) diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index b25b8a46d7a86..ac2cc7ecc6ee2 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -707,6 +707,9 @@ type SessionVars struct { // EnableParallelApply indicates that thether to use parallel apply. EnableParallelApply bool + // EnableRedactLog indicates that whether redact log. + EnableRedactLog bool + // ShardAllocateStep indicates the max size of continuous rowid shard in one transaction. ShardAllocateStep int64 @@ -1095,6 +1098,9 @@ func (s *SessionVars) GetSystemVar(name string) (string, bool) { } else if name == ErrorCount { return strconv.Itoa(int(s.SysErrorCount)), true } + if name == TiDBSlowLogMasking { + name = TiDBRedactLog + } val, ok := s.systems[name] return val, ok } @@ -1464,8 +1470,12 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.PartitionPruneMode.Store(strings.ToLower(strings.TrimSpace(val))) case TiDBEnableParallelApply: s.EnableParallelApply = TiDBOptOn(val) - case TiDBSlowLogMasking, TiDBRedactLog: - config.SetRedactLog(TiDBOptOn(val)) + case TiDBSlowLogMasking: + // TiDBSlowLogMasking is deprecated and a alias of TiDBRedactLog. + return s.SetSystemVar(TiDBRedactLog, val) + case TiDBRedactLog: + s.EnableRedactLog = TiDBOptOn(val) + errors.RedactLogEnabled.Store(s.EnableRedactLog) case TiDBShardAllocateStep: s.ShardAllocateStep = tidbOptInt64(val, DefTiDBShardAllocateStep) case TiDBEnableChangeColumnType: diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 9dc5cbcd37ac1..0c599cbec0dfb 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -788,8 +788,8 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowAutoRandExplicitInsert, Value: BoolToOnOff(DefTiDBAllowAutoRandExplicitInsert), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableClusteredIndex, Value: BoolToOnOff(DefTiDBEnableClusteredIndex), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBPartitionPruneMode, Value: string(StaticOnly), Type: TypeStr}, - {Scope: ScopeGlobal, Name: TiDBSlowLogMasking, Value: BoolToOnOff(DefTiDBSlowLogMasking), Type: TypeBool}, - {Scope: ScopeGlobal, Name: TiDBRedactLog, Value: int32ToBoolStr(config.DefTiDBRedactLog), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBSlowLogMasking, Value: BoolToIntStr(DefTiDBRedactLog), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBRedactLog, Value: BoolToIntStr(DefTiDBRedactLog), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBShardAllocateStep, Value: strconv.Itoa(DefTiDBShardAllocateStep), Type: TypeInt, MinValue: 1, MaxValue: uint64(math.MaxInt64), AutoConvertOutOfRange: true}, {Scope: ScopeGlobal, Name: TiDBEnableTelemetry, Value: BoolToOnOff(DefTiDBEnableTelemetry), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableAmendPessimisticTxn, Value: BoolToOnOff(DefTiDBEnableAmendPessimisticTxn), Type: TypeBool}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 3c95fd9e85052..bab6826eeca27 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -434,7 +434,7 @@ const ( // TiDBPartitionPruneMode indicates the partition prune mode used. TiDBPartitionPruneMode = "tidb_partition_prune_mode" - // TiDBSlowLogMasking indicates that whether masking the query data when log slow query. + // TiDBSlowLogMasking is deprecated and a alias of TiDBRedactLog. // Deprecated: use TiDBRedactLog instead. TiDBSlowLogMasking = "tidb_slow_log_masking" @@ -548,7 +548,7 @@ const ( DefTiDBEnableCollectExecutionInfo = true DefTiDBAllowAutoRandExplicitInsert = false DefTiDBEnableClusteredIndex = false - DefTiDBSlowLogMasking = false + DefTiDBRedactLog = false DefTiDBShardAllocateStep = math.MaxInt64 DefTiDBEnableTelemetry = true DefTiDBEnableParallelApply = false diff --git a/sessionctx/variable/varsutil_test.go b/sessionctx/variable/varsutil_test.go index 8d0fbb466048a..89e034da0b204 100644 --- a/sessionctx/variable/varsutil_test.go +++ b/sessionctx/variable/varsutil_test.go @@ -426,6 +426,12 @@ func (s *testVarsutilSuite) TestVarsutil(c *C) { c.Assert(err, IsNil) c.Assert(val, Equals, "ON") + err = SetSessionSystemVar(v, TiDBRedactLog, types.NewStringDatum("ON")) + c.Assert(err, IsNil) + val, err = GetSessionSystemVar(v, TiDBRedactLog) + c.Assert(err, IsNil) + c.Assert(val, Equals, "ON") + err = SetSessionSystemVar(v, TiDBStmtSummaryRefreshInterval, types.NewStringDatum("10")) c.Assert(err, IsNil) val, err = GetSessionSystemVar(v, TiDBStmtSummaryRefreshInterval) diff --git a/store/tikv/error.go b/store/tikv/error.go index e18cdde9ec96d..215eee6a68909 100644 --- a/store/tikv/error.go +++ b/store/tikv/error.go @@ -17,8 +17,8 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/kvproto/pkg/kvrpcpb" "github.com/pingcap/kvproto/pkg/pdpb" - "github.com/pingcap/parser/terror" mysql "github.com/pingcap/tidb/errno" + "github.com/pingcap/tidb/util/dbterror" ) var ( @@ -33,27 +33,27 @@ const mismatchClusterID = "mismatch cluster id" // MySQL error instances. var ( - ErrTiKVServerTimeout = terror.ClassTiKV.New(mysql.ErrTiKVServerTimeout, mysql.MySQLErrName[mysql.ErrTiKVServerTimeout]) - ErrResolveLockTimeout = terror.ClassTiKV.New(mysql.ErrResolveLockTimeout, mysql.MySQLErrName[mysql.ErrResolveLockTimeout]) - ErrPDServerTimeout = terror.ClassTiKV.New(mysql.ErrPDServerTimeout, mysql.MySQLErrName[mysql.ErrPDServerTimeout]) - ErrRegionUnavailable = terror.ClassTiKV.New(mysql.ErrRegionUnavailable, mysql.MySQLErrName[mysql.ErrRegionUnavailable]) - ErrTiKVServerBusy = terror.ClassTiKV.New(mysql.ErrTiKVServerBusy, mysql.MySQLErrName[mysql.ErrTiKVServerBusy]) - ErrTiKVStaleCommand = terror.ClassTiKV.New(mysql.ErrTiKVStaleCommand, mysql.MySQLErrName[mysql.ErrTiKVStaleCommand]) - ErrTiKVMaxTimestampNotSynced = terror.ClassTiKV.New(mysql.ErrTiKVMaxTimestampNotSynced, mysql.MySQLErrName[mysql.ErrTiKVMaxTimestampNotSynced]) - ErrGCTooEarly = terror.ClassTiKV.New(mysql.ErrGCTooEarly, mysql.MySQLErrName[mysql.ErrGCTooEarly]) - ErrQueryInterrupted = terror.ClassTiKV.New(mysql.ErrQueryInterrupted, mysql.MySQLErrName[mysql.ErrQueryInterrupted]) - ErrLockAcquireFailAndNoWaitSet = terror.ClassTiKV.New(mysql.ErrLockAcquireFailAndNoWaitSet, mysql.MySQLErrName[mysql.ErrLockAcquireFailAndNoWaitSet]) - ErrLockWaitTimeout = terror.ClassTiKV.New(mysql.ErrLockWaitTimeout, mysql.MySQLErrName[mysql.ErrLockWaitTimeout]) - ErrTokenLimit = terror.ClassTiKV.New(mysql.ErrTiKVStoreLimit, mysql.MySQLErrName[mysql.ErrTiKVStoreLimit]) - ErrLockExpire = terror.ClassTiKV.New(mysql.ErrLockExpire, mysql.MySQLErrName[mysql.ErrLockExpire]) - ErrUnknown = terror.ClassTiKV.New(mysql.ErrUnknown, mysql.MySQLErrName[mysql.ErrUnknown]) + ErrTiKVServerTimeout = dbterror.ClassTiKV.NewStd(mysql.ErrTiKVServerTimeout) + ErrResolveLockTimeout = dbterror.ClassTiKV.NewStd(mysql.ErrResolveLockTimeout) + ErrPDServerTimeout = dbterror.ClassTiKV.NewStd(mysql.ErrPDServerTimeout) + ErrRegionUnavailable = dbterror.ClassTiKV.NewStd(mysql.ErrRegionUnavailable) + ErrTiKVServerBusy = dbterror.ClassTiKV.NewStd(mysql.ErrTiKVServerBusy) + ErrTiKVStaleCommand = dbterror.ClassTiKV.NewStd(mysql.ErrTiKVStaleCommand) + ErrTiKVMaxTimestampNotSynced = dbterror.ClassTiKV.NewStd(mysql.ErrTiKVMaxTimestampNotSynced) + ErrGCTooEarly = dbterror.ClassTiKV.NewStd(mysql.ErrGCTooEarly) + ErrQueryInterrupted = dbterror.ClassTiKV.NewStd(mysql.ErrQueryInterrupted) + ErrLockAcquireFailAndNoWaitSet = dbterror.ClassTiKV.NewStd(mysql.ErrLockAcquireFailAndNoWaitSet) + ErrLockWaitTimeout = dbterror.ClassTiKV.NewStd(mysql.ErrLockWaitTimeout) + ErrTokenLimit = dbterror.ClassTiKV.NewStd(mysql.ErrTiKVStoreLimit) + ErrLockExpire = dbterror.ClassTiKV.NewStd(mysql.ErrLockExpire) + ErrUnknown = dbterror.ClassTiKV.NewStd(mysql.ErrUnknown) ) // Registers error returned from TiKV. var ( - _ = terror.ClassTiKV.NewStd(mysql.ErrDataOutOfRange) - _ = terror.ClassTiKV.NewStd(mysql.ErrTruncatedWrongValue) - _ = terror.ClassTiKV.NewStd(mysql.ErrDivisionByZero) + _ = dbterror.ClassTiKV.NewStd(mysql.ErrDataOutOfRange) + _ = dbterror.ClassTiKV.NewStd(mysql.ErrTruncatedWrongValue) + _ = dbterror.ClassTiKV.NewStd(mysql.ErrDivisionByZero) ) // ErrDeadlock wraps *kvrpcpb.Deadlock to implement the error interface. diff --git a/structure/structure.go b/structure/structure.go index dce4ff8dd7204..e46160c71d599 100644 --- a/structure/structure.go +++ b/structure/structure.go @@ -14,20 +14,20 @@ package structure import ( - "github.com/pingcap/parser/terror" mysql "github.com/pingcap/tidb/errno" "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/util/dbterror" ) var ( // ErrInvalidHashKeyFlag used by structure - ErrInvalidHashKeyFlag = terror.ClassStructure.New(mysql.ErrInvalidHashKeyFlag, mysql.MySQLErrName[mysql.ErrInvalidHashKeyFlag]) + ErrInvalidHashKeyFlag = dbterror.ClassStructure.NewStd(mysql.ErrInvalidHashKeyFlag) // ErrInvalidListIndex used by structure - ErrInvalidListIndex = terror.ClassStructure.New(mysql.ErrInvalidListIndex, mysql.MySQLErrName[mysql.ErrInvalidListIndex]) + ErrInvalidListIndex = dbterror.ClassStructure.NewStd(mysql.ErrInvalidListIndex) // ErrInvalidListMetaData used by structure - ErrInvalidListMetaData = terror.ClassStructure.New(mysql.ErrInvalidListMetaData, mysql.MySQLErrName[mysql.ErrInvalidListMetaData]) + ErrInvalidListMetaData = dbterror.ClassStructure.NewStd(mysql.ErrInvalidListMetaData) // ErrWriteOnSnapshot used by structure - ErrWriteOnSnapshot = terror.ClassStructure.New(mysql.ErrWriteOnSnapshot, mysql.MySQLErrName[mysql.ErrWriteOnSnapshot]) + ErrWriteOnSnapshot = dbterror.ClassStructure.NewStd(mysql.ErrWriteOnSnapshot) ) // NewStructure creates a TxStructure with Retriever, RetrieverMutator and key prefix. diff --git a/table/table.go b/table/table.go index c24ce9052120c..a43fe104bdb6f 100644 --- a/table/table.go +++ b/table/table.go @@ -22,12 +22,12 @@ import ( "github.com/opentracing/opentracing-go" "github.com/pingcap/parser/model" - "github.com/pingcap/parser/terror" mysql "github.com/pingcap/tidb/errno" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/meta/autoid" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/types" + "github.com/pingcap/tidb/util/dbterror" ) // Type , the type of table, store data in different ways. @@ -59,44 +59,44 @@ func (tp Type) IsClusterTable() bool { var ( // ErrColumnCantNull is used for inserting null to a not null column. - ErrColumnCantNull = terror.ClassTable.New(mysql.ErrBadNull, mysql.MySQLErrName[mysql.ErrBadNull]) + ErrColumnCantNull = dbterror.ClassTable.NewStd(mysql.ErrBadNull) // ErrUnknownColumn is returned when accessing an unknown column. - ErrUnknownColumn = terror.ClassTable.New(mysql.ErrBadField, mysql.MySQLErrName[mysql.ErrBadField]) - errDuplicateColumn = terror.ClassTable.New(mysql.ErrFieldSpecifiedTwice, mysql.MySQLErrName[mysql.ErrFieldSpecifiedTwice]) + ErrUnknownColumn = dbterror.ClassTable.NewStd(mysql.ErrBadField) + errDuplicateColumn = dbterror.ClassTable.NewStd(mysql.ErrFieldSpecifiedTwice) - errGetDefaultFailed = terror.ClassTable.New(mysql.ErrFieldGetDefaultFailed, mysql.MySQLErrName[mysql.ErrFieldGetDefaultFailed]) + errGetDefaultFailed = dbterror.ClassTable.NewStd(mysql.ErrFieldGetDefaultFailed) // ErrNoDefaultValue is used when insert a row, the column value is not given, and the column has not null flag // and it doesn't have a default value. - ErrNoDefaultValue = terror.ClassTable.New(mysql.ErrNoDefaultForField, mysql.MySQLErrName[mysql.ErrNoDefaultForField]) + ErrNoDefaultValue = dbterror.ClassTable.NewStd(mysql.ErrNoDefaultForField) // ErrIndexOutBound returns for index column offset out of bound. - ErrIndexOutBound = terror.ClassTable.New(mysql.ErrIndexOutBound, mysql.MySQLErrName[mysql.ErrIndexOutBound]) + ErrIndexOutBound = dbterror.ClassTable.NewStd(mysql.ErrIndexOutBound) // ErrUnsupportedOp returns for unsupported operation. - ErrUnsupportedOp = terror.ClassTable.New(mysql.ErrUnsupportedOp, mysql.MySQLErrName[mysql.ErrUnsupportedOp]) + ErrUnsupportedOp = dbterror.ClassTable.NewStd(mysql.ErrUnsupportedOp) // ErrRowNotFound returns for row not found. - ErrRowNotFound = terror.ClassTable.New(mysql.ErrRowNotFound, mysql.MySQLErrName[mysql.ErrRowNotFound]) + ErrRowNotFound = dbterror.ClassTable.NewStd(mysql.ErrRowNotFound) // ErrTableStateCantNone returns for table none state. - ErrTableStateCantNone = terror.ClassTable.New(mysql.ErrTableStateCantNone, mysql.MySQLErrName[mysql.ErrTableStateCantNone]) + ErrTableStateCantNone = dbterror.ClassTable.NewStd(mysql.ErrTableStateCantNone) // ErrColumnStateCantNone returns for column none state. - ErrColumnStateCantNone = terror.ClassTable.New(mysql.ErrColumnStateCantNone, mysql.MySQLErrName[mysql.ErrColumnStateCantNone]) + ErrColumnStateCantNone = dbterror.ClassTable.NewStd(mysql.ErrColumnStateCantNone) // ErrColumnStateNonPublic returns for column non-public state. - ErrColumnStateNonPublic = terror.ClassTable.New(mysql.ErrColumnStateNonPublic, mysql.MySQLErrName[mysql.ErrColumnStateNonPublic]) + ErrColumnStateNonPublic = dbterror.ClassTable.NewStd(mysql.ErrColumnStateNonPublic) // ErrIndexStateCantNone returns for index none state. - ErrIndexStateCantNone = terror.ClassTable.New(mysql.ErrIndexStateCantNone, mysql.MySQLErrName[mysql.ErrIndexStateCantNone]) + ErrIndexStateCantNone = dbterror.ClassTable.NewStd(mysql.ErrIndexStateCantNone) // ErrInvalidRecordKey returns for invalid record key. - ErrInvalidRecordKey = terror.ClassTable.New(mysql.ErrInvalidRecordKey, mysql.MySQLErrName[mysql.ErrInvalidRecordKey]) + ErrInvalidRecordKey = dbterror.ClassTable.NewStd(mysql.ErrInvalidRecordKey) // ErrTruncatedWrongValueForField returns for truncate wrong value for field. - ErrTruncatedWrongValueForField = terror.ClassTable.New(mysql.ErrTruncatedWrongValueForField, mysql.MySQLErrName[mysql.ErrTruncatedWrongValueForField]) + ErrTruncatedWrongValueForField = dbterror.ClassTable.NewStd(mysql.ErrTruncatedWrongValueForField) // ErrUnknownPartition returns unknown partition error. - ErrUnknownPartition = terror.ClassTable.New(mysql.ErrUnknownPartition, mysql.MySQLErrName[mysql.ErrUnknownPartition]) + ErrUnknownPartition = dbterror.ClassTable.NewStd(mysql.ErrUnknownPartition) // ErrNoPartitionForGivenValue returns table has no partition for value. - ErrNoPartitionForGivenValue = terror.ClassTable.New(mysql.ErrNoPartitionForGivenValue, mysql.MySQLErrName[mysql.ErrNoPartitionForGivenValue]) + ErrNoPartitionForGivenValue = dbterror.ClassTable.NewStd(mysql.ErrNoPartitionForGivenValue) // ErrLockOrActiveTransaction returns when execute unsupported statement in a lock session or an active transaction. - ErrLockOrActiveTransaction = terror.ClassTable.New(mysql.ErrLockOrActiveTransaction, mysql.MySQLErrName[mysql.ErrLockOrActiveTransaction]) + ErrLockOrActiveTransaction = dbterror.ClassTable.NewStd(mysql.ErrLockOrActiveTransaction) // ErrSequenceHasRunOut returns when sequence has run out. - ErrSequenceHasRunOut = terror.ClassTable.New(mysql.ErrSequenceRunOut, mysql.MySQLErrName[mysql.ErrSequenceRunOut]) + ErrSequenceHasRunOut = dbterror.ClassTable.NewStd(mysql.ErrSequenceRunOut) // ErrRowDoesNotMatchGivenPartitionSet returns when the destination partition conflict with the partition selection. - ErrRowDoesNotMatchGivenPartitionSet = terror.ClassTable.NewStd(mysql.ErrRowDoesNotMatchGivenPartitionSet) + ErrRowDoesNotMatchGivenPartitionSet = dbterror.ClassTable.NewStd(mysql.ErrRowDoesNotMatchGivenPartitionSet) ) // RecordIterFunc is used for low-level record iteration. diff --git a/tablecodec/tablecodec.go b/tablecodec/tablecodec.go index 4d11f4cacb7ab..3f757a43cff98 100644 --- a/tablecodec/tablecodec.go +++ b/tablecodec/tablecodec.go @@ -32,13 +32,14 @@ import ( "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/codec" "github.com/pingcap/tidb/util/collate" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/rowcodec" ) var ( - errInvalidKey = terror.ClassXEval.New(errno.ErrInvalidKey, errno.MySQLErrName[errno.ErrInvalidKey]) - errInvalidRecordKey = terror.ClassXEval.New(errno.ErrInvalidRecordKey, errno.MySQLErrName[errno.ErrInvalidRecordKey]) - errInvalidIndexKey = terror.ClassXEval.New(errno.ErrInvalidIndexKey, errno.MySQLErrName[errno.ErrInvalidIndexKey]) + errInvalidKey = dbterror.ClassXEval.NewStd(errno.ErrInvalidKey) + errInvalidRecordKey = dbterror.ClassXEval.NewStd(errno.ErrInvalidRecordKey) + errInvalidIndexKey = dbterror.ClassXEval.NewStd(errno.ErrInvalidIndexKey) ) var ( diff --git a/types/errors.go b/types/errors.go index e55eb32208015..7683051e537bf 100644 --- a/types/errors.go +++ b/types/errors.go @@ -14,9 +14,9 @@ package types import ( - "github.com/pingcap/parser/terror" parser_types "github.com/pingcap/parser/types" mysql "github.com/pingcap/tidb/errno" + "github.com/pingcap/tidb/util/dbterror" ) // const strings for ErrWrongValue @@ -29,50 +29,50 @@ var ( // ErrInvalidDefault is returned when meet a invalid default value. ErrInvalidDefault = parser_types.ErrInvalidDefault // ErrDataTooLong is returned when converts a string value that is longer than field type length. - ErrDataTooLong = terror.ClassTypes.New(mysql.ErrDataTooLong, mysql.MySQLErrName[mysql.ErrDataTooLong]) + ErrDataTooLong = dbterror.ClassTypes.NewStd(mysql.ErrDataTooLong) // ErrIllegalValueForType is returned when value of type is illegal. - ErrIllegalValueForType = terror.ClassTypes.New(mysql.ErrIllegalValueForType, mysql.MySQLErrName[mysql.ErrIllegalValueForType]) + ErrIllegalValueForType = dbterror.ClassTypes.NewStd(mysql.ErrIllegalValueForType) // ErrTruncated is returned when data has been truncated during conversion. - ErrTruncated = terror.ClassTypes.New(mysql.WarnDataTruncated, mysql.MySQLErrName[mysql.WarnDataTruncated]) + ErrTruncated = dbterror.ClassTypes.NewStd(mysql.WarnDataTruncated) // ErrOverflow is returned when data is out of range for a field type. - ErrOverflow = terror.ClassTypes.New(mysql.ErrDataOutOfRange, mysql.MySQLErrName[mysql.ErrDataOutOfRange]) + ErrOverflow = dbterror.ClassTypes.NewStd(mysql.ErrDataOutOfRange) // ErrDivByZero is return when do division by 0. - ErrDivByZero = terror.ClassTypes.New(mysql.ErrDivisionByZero, mysql.MySQLErrName[mysql.ErrDivisionByZero]) + ErrDivByZero = dbterror.ClassTypes.NewStd(mysql.ErrDivisionByZero) // ErrTooBigDisplayWidth is return when display width out of range for column. - ErrTooBigDisplayWidth = terror.ClassTypes.New(mysql.ErrTooBigDisplaywidth, mysql.MySQLErrName[mysql.ErrTooBigDisplaywidth]) + ErrTooBigDisplayWidth = dbterror.ClassTypes.NewStd(mysql.ErrTooBigDisplaywidth) // ErrTooBigFieldLength is return when column length too big for column. - ErrTooBigFieldLength = terror.ClassTypes.New(mysql.ErrTooBigFieldlength, mysql.MySQLErrName[mysql.ErrTooBigFieldlength]) + ErrTooBigFieldLength = dbterror.ClassTypes.NewStd(mysql.ErrTooBigFieldlength) // ErrTooBigSet is returned when too many strings for column. - ErrTooBigSet = terror.ClassTypes.New(mysql.ErrTooBigSet, mysql.MySQLErrName[mysql.ErrTooBigSet]) + ErrTooBigSet = dbterror.ClassTypes.NewStd(mysql.ErrTooBigSet) // ErrTooBigScale is returned when type DECIMAL/NUMERIC scale is bigger than mysql.MaxDecimalScale. - ErrTooBigScale = terror.ClassTypes.New(mysql.ErrTooBigScale, mysql.MySQLErrName[mysql.ErrTooBigScale]) + ErrTooBigScale = dbterror.ClassTypes.NewStd(mysql.ErrTooBigScale) // ErrTooBigPrecision is returned when type DECIMAL/NUMERIC precision is bigger than mysql.MaxDecimalWidth - ErrTooBigPrecision = terror.ClassTypes.New(mysql.ErrTooBigPrecision, mysql.MySQLErrName[mysql.ErrTooBigPrecision]) + ErrTooBigPrecision = dbterror.ClassTypes.NewStd(mysql.ErrTooBigPrecision) // ErrBadNumber is return when parsing an invalid binary decimal number. - ErrBadNumber = terror.ClassTypes.New(mysql.ErrBadNumber, mysql.MySQLErrName[mysql.ErrBadNumber]) + ErrBadNumber = dbterror.ClassTypes.NewStd(mysql.ErrBadNumber) // ErrInvalidFieldSize is returned when the precision of a column is out of range. - ErrInvalidFieldSize = terror.ClassTypes.New(mysql.ErrInvalidFieldSize, mysql.MySQLErrName[mysql.ErrInvalidFieldSize]) + ErrInvalidFieldSize = dbterror.ClassTypes.NewStd(mysql.ErrInvalidFieldSize) // ErrMBiggerThanD is returned when precision less than the scale. - ErrMBiggerThanD = terror.ClassTypes.New(mysql.ErrMBiggerThanD, mysql.MySQLErrName[mysql.ErrMBiggerThanD]) + ErrMBiggerThanD = dbterror.ClassTypes.NewStd(mysql.ErrMBiggerThanD) // ErrWarnDataOutOfRange is returned when the value in a numeric column that is outside the permissible range of the column data type. // See https://dev.mysql.com/doc/refman/5.5/en/out-of-range-and-overflow.html for details - ErrWarnDataOutOfRange = terror.ClassTypes.New(mysql.ErrWarnDataOutOfRange, mysql.MySQLErrName[mysql.ErrWarnDataOutOfRange]) + ErrWarnDataOutOfRange = dbterror.ClassTypes.NewStd(mysql.ErrWarnDataOutOfRange) // ErrDuplicatedValueInType is returned when enum column has duplicated value. - ErrDuplicatedValueInType = terror.ClassTypes.New(mysql.ErrDuplicatedValueInType, mysql.MySQLErrName[mysql.ErrDuplicatedValueInType]) + ErrDuplicatedValueInType = dbterror.ClassTypes.NewStd(mysql.ErrDuplicatedValueInType) // ErrDatetimeFunctionOverflow is returned when the calculation in datetime function cause overflow. - ErrDatetimeFunctionOverflow = terror.ClassTypes.New(mysql.ErrDatetimeFunctionOverflow, mysql.MySQLErrName[mysql.ErrDatetimeFunctionOverflow]) + ErrDatetimeFunctionOverflow = dbterror.ClassTypes.NewStd(mysql.ErrDatetimeFunctionOverflow) // ErrCastAsSignedOverflow is returned when positive out-of-range integer, and convert to it's negative complement. - ErrCastAsSignedOverflow = terror.ClassTypes.New(mysql.ErrCastAsSignedOverflow, mysql.MySQLErrName[mysql.ErrCastAsSignedOverflow]) + ErrCastAsSignedOverflow = dbterror.ClassTypes.NewStd(mysql.ErrCastAsSignedOverflow) // ErrCastNegIntAsUnsigned is returned when a negative integer be casted to an unsigned int. - ErrCastNegIntAsUnsigned = terror.ClassTypes.New(mysql.ErrCastNegIntAsUnsigned, mysql.MySQLErrName[mysql.ErrCastNegIntAsUnsigned]) + ErrCastNegIntAsUnsigned = dbterror.ClassTypes.NewStd(mysql.ErrCastNegIntAsUnsigned) // ErrInvalidYearFormat is returned when the input is not a valid year format. - ErrInvalidYearFormat = terror.ClassTypes.New(mysql.ErrInvalidYearFormat, mysql.MySQLErrName[mysql.ErrInvalidYearFormat]) + ErrInvalidYearFormat = dbterror.ClassTypes.NewStd(mysql.ErrInvalidYearFormat) // ErrInvalidYear is returned when the input value is not a valid year. - ErrInvalidYear = terror.ClassTypes.New(mysql.ErrInvalidYear, mysql.MySQLErrName[mysql.ErrInvalidYear]) + ErrInvalidYear = dbterror.ClassTypes.NewStd(mysql.ErrInvalidYear) // ErrTruncatedWrongVal is returned when data has been truncated during conversion. - ErrTruncatedWrongVal = terror.ClassTypes.New(mysql.ErrTruncatedWrongValue, mysql.MySQLErrName[mysql.ErrTruncatedWrongValue]) + ErrTruncatedWrongVal = dbterror.ClassTypes.NewStd(mysql.ErrTruncatedWrongValue) // ErrInvalidWeekModeFormat is returned when the week mode is wrong. - ErrInvalidWeekModeFormat = terror.ClassTypes.New(mysql.ErrInvalidWeekModeFormat, mysql.MySQLErrName[mysql.ErrInvalidWeekModeFormat]) + ErrInvalidWeekModeFormat = dbterror.ClassTypes.NewStd(mysql.ErrInvalidWeekModeFormat) // ErrWrongValue is returned when the input value is in wrong format. - ErrWrongValue = terror.ClassTypes.New(mysql.ErrTruncatedWrongValue, mysql.MySQLErrName[mysql.ErrWrongValue]) + ErrWrongValue = dbterror.ClassTypes.NewStdErr(mysql.ErrTruncatedWrongValue, mysql.MySQLErrName[mysql.ErrWrongValue], "", "") ) diff --git a/types/json/constants.go b/types/json/constants.go index c6f17c992ad67..bb375884847cd 100644 --- a/types/json/constants.go +++ b/types/json/constants.go @@ -17,8 +17,8 @@ import ( "encoding/binary" "unicode/utf8" - "github.com/pingcap/parser/terror" mysql "github.com/pingcap/tidb/errno" + "github.com/pingcap/tidb/util/dbterror" ) // TypeCode indicates JSON type. @@ -206,21 +206,21 @@ const ( var ( // ErrInvalidJSONText means invalid JSON text. - ErrInvalidJSONText = terror.ClassJSON.New(mysql.ErrInvalidJSONText, mysql.MySQLErrName[mysql.ErrInvalidJSONText]) + ErrInvalidJSONText = dbterror.ClassJSON.NewStd(mysql.ErrInvalidJSONText) // ErrInvalidJSONPath means invalid JSON path. - ErrInvalidJSONPath = terror.ClassJSON.New(mysql.ErrInvalidJSONPath, mysql.MySQLErrName[mysql.ErrInvalidJSONPath]) + ErrInvalidJSONPath = dbterror.ClassJSON.NewStd(mysql.ErrInvalidJSONPath) // ErrInvalidJSONData means invalid JSON data. - ErrInvalidJSONData = terror.ClassJSON.New(mysql.ErrInvalidJSONData, mysql.MySQLErrName[mysql.ErrInvalidJSONData]) + ErrInvalidJSONData = dbterror.ClassJSON.NewStd(mysql.ErrInvalidJSONData) // ErrInvalidJSONPathWildcard means invalid JSON path that contain wildcard characters. - ErrInvalidJSONPathWildcard = terror.ClassJSON.New(mysql.ErrInvalidJSONPathWildcard, mysql.MySQLErrName[mysql.ErrInvalidJSONPathWildcard]) + ErrInvalidJSONPathWildcard = dbterror.ClassJSON.NewStd(mysql.ErrInvalidJSONPathWildcard) // ErrInvalidJSONContainsPathType means invalid JSON contains path type. - ErrInvalidJSONContainsPathType = terror.ClassJSON.New(mysql.ErrInvalidJSONContainsPathType, mysql.MySQLErrName[mysql.ErrInvalidJSONContainsPathType]) + ErrInvalidJSONContainsPathType = dbterror.ClassJSON.NewStd(mysql.ErrInvalidJSONContainsPathType) // ErrJSONDocumentNULLKey means that json's key is null - ErrJSONDocumentNULLKey = terror.ClassJSON.New(mysql.ErrJSONDocumentNULLKey, mysql.MySQLErrName[mysql.ErrJSONDocumentNULLKey]) + ErrJSONDocumentNULLKey = dbterror.ClassJSON.NewStd(mysql.ErrJSONDocumentNULLKey) // ErrInvalidJSONPathArrayCell means invalid JSON path for an array cell. - ErrInvalidJSONPathArrayCell = terror.ClassJSON.New(mysql.ErrInvalidJSONPathArrayCell, mysql.MySQLErrName[mysql.ErrInvalidJSONPathArrayCell]) + ErrInvalidJSONPathArrayCell = dbterror.ClassJSON.NewStd(mysql.ErrInvalidJSONPathArrayCell) // ErrUnsupportedSecondArgumentType means unsupported second argument type in json_objectagg - ErrUnsupportedSecondArgumentType = terror.ClassJSON.New(mysql.ErrUnsupportedSecondArgumentType, mysql.MySQLErrName[mysql.ErrUnsupportedSecondArgumentType]) + ErrUnsupportedSecondArgumentType = dbterror.ClassJSON.NewStd(mysql.ErrUnsupportedSecondArgumentType) ) // json_contains_path function type choices diff --git a/util/admin/admin.go b/util/admin/admin.go index a10045cc13b4d..8a8b258b31f2c 100644 --- a/util/admin/admin.go +++ b/util/admin/admin.go @@ -24,7 +24,6 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" - "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/errno" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/kv" @@ -34,6 +33,7 @@ import ( "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/logutil" decoder "github.com/pingcap/tidb/util/rowDecoder" "github.com/pingcap/tidb/util/sqlexec" @@ -466,13 +466,13 @@ func iterRecords(sessCtx sessionctx.Context, retriever kv.Retriever, t table.Tab var ( // ErrDataInConsistent indicate that meets inconsistent data. - ErrDataInConsistent = terror.ClassAdmin.New(errno.ErrDataInConsistent, errno.MySQLErrName[errno.ErrDataInConsistent]) + ErrDataInConsistent = dbterror.ClassAdmin.NewStd(errno.ErrDataInConsistent) // ErrDDLJobNotFound indicates the job id was not found. - ErrDDLJobNotFound = terror.ClassAdmin.New(errno.ErrDDLJobNotFound, errno.MySQLErrName[errno.ErrDDLJobNotFound]) + ErrDDLJobNotFound = dbterror.ClassAdmin.NewStd(errno.ErrDDLJobNotFound) // ErrCancelFinishedDDLJob returns when cancel a finished ddl job. - ErrCancelFinishedDDLJob = terror.ClassAdmin.New(errno.ErrCancelFinishedDDLJob, errno.MySQLErrName[errno.ErrCancelFinishedDDLJob]) + ErrCancelFinishedDDLJob = dbterror.ClassAdmin.NewStd(errno.ErrCancelFinishedDDLJob) // ErrCannotCancelDDLJob returns when cancel a almost finished ddl job, because cancel in now may cause data inconsistency. - ErrCannotCancelDDLJob = terror.ClassAdmin.New(errno.ErrCannotCancelDDLJob, errno.MySQLErrName[errno.ErrCannotCancelDDLJob]) + ErrCannotCancelDDLJob = dbterror.ClassAdmin.NewStd(errno.ErrCannotCancelDDLJob) // ErrAdminCheckTable returns when the table records is inconsistent with the index values. - ErrAdminCheckTable = terror.ClassAdmin.New(errno.ErrAdminCheckTable, errno.MySQLErrName[errno.ErrAdminCheckTable]) + ErrAdminCheckTable = dbterror.ClassAdmin.NewStd(errno.ErrAdminCheckTable) ) diff --git a/util/collate/collate.go b/util/collate/collate.go index dcb60e0ead7f5..54d8f5f44e953 100644 --- a/util/collate/collate.go +++ b/util/collate/collate.go @@ -21,6 +21,7 @@ import ( "github.com/pingcap/parser/charset" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/logutil" "go.uber.org/zap" ) @@ -34,13 +35,13 @@ var ( binCollatorInstance = &binCollator{} // ErrUnsupportedCollation is returned when an unsupported collation is specified. - ErrUnsupportedCollation = terror.ClassDDL.New(mysql.ErrUnknownCollation, "Unsupported collation when new collation is enabled: '%-.64s'") + ErrUnsupportedCollation = dbterror.ClassDDL.NewStdErr(mysql.ErrUnknownCollation, mysql.Message("Unsupported collation when new collation is enabled: '%-.64s'", nil), "", "") // ErrIllegalMixCollation is returned when illegal mix of collations. - ErrIllegalMixCollation = terror.ClassExpression.New(mysql.ErrCantAggregateNcollations, mysql.MySQLErrName[mysql.ErrCantAggregateNcollations]) + ErrIllegalMixCollation = dbterror.ClassExpression.NewStd(mysql.ErrCantAggregateNcollations) // ErrIllegalMix2Collation is returned when illegal mix of 2 collations. - ErrIllegalMix2Collation = terror.ClassExpression.New(mysql.ErrCantAggregate2collations, mysql.MySQLErrName[mysql.ErrCantAggregate2collations]) + ErrIllegalMix2Collation = dbterror.ClassExpression.NewStd(mysql.ErrCantAggregate2collations) // ErrIllegalMix3Collation is returned when illegal mix of 3 collations. - ErrIllegalMix3Collation = terror.ClassExpression.New(mysql.ErrCantAggregate3collations, mysql.MySQLErrName[mysql.ErrCantAggregate3collations]) + ErrIllegalMix3Collation = dbterror.ClassExpression.NewStd(mysql.ErrCantAggregate3collations) ) // DefaultLen is set for datum if the string datum don't know its length. diff --git a/util/dbterror/terror.go b/util/dbterror/terror.go new file mode 100644 index 0000000000000..23971aeffce72 --- /dev/null +++ b/util/dbterror/terror.go @@ -0,0 +1,56 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package dbterror + +import ( + "github.com/pingcap/parser/terror" + "github.com/pingcap/tidb/errno" +) + +// ErrClass represents a class of errors. +type ErrClass struct{ terror.ErrClass } + +// Error classes. +var ( + ClassAutoid = ErrClass{terror.ClassAutoid} + ClassDDL = ErrClass{terror.ClassDDL} + ClassDomain = ErrClass{terror.ClassDomain} + ClassExecutor = ErrClass{terror.ClassExecutor} + ClassExpression = ErrClass{terror.ClassExpression} + ClassAdmin = ErrClass{terror.ClassAdmin} + ClassKV = ErrClass{terror.ClassKV} + ClassMeta = ErrClass{terror.ClassMeta} + ClassOptimizer = ErrClass{terror.ClassOptimizer} + ClassPrivilege = ErrClass{terror.ClassPrivilege} + ClassSchema = ErrClass{terror.ClassSchema} + ClassServer = ErrClass{terror.ClassServer} + ClassStructure = ErrClass{terror.ClassStructure} + ClassVariable = ErrClass{terror.ClassVariable} + ClassXEval = ErrClass{terror.ClassXEval} + ClassTable = ErrClass{terror.ClassTable} + ClassTypes = ErrClass{terror.ClassTypes} + ClassJSON = ErrClass{terror.ClassJSON} + ClassTiKV = ErrClass{terror.ClassTiKV} + ClassSession = ErrClass{terror.ClassSession} + ClassPlugin = ErrClass{terror.ClassPlugin} + ClassUtil = ErrClass{terror.ClassUtil} +) + +// NewStd calls New using the standard message for the error code +// Attention: +// this method is not goroutine-safe and +// usually be used in global variable initializer +func (ec ErrClass) NewStd(code terror.ErrCode) *terror.Error { + return ec.NewStdErr(code, errno.MySQLErrName[uint16(code)], "", "") +} diff --git a/util/dbterror/terror_test.go b/util/dbterror/terror_test.go new file mode 100644 index 0000000000000..ba66e26727d0a --- /dev/null +++ b/util/dbterror/terror_test.go @@ -0,0 +1,43 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package dbterror + +import ( + "strings" + "testing" + + . "github.com/pingcap/check" + "github.com/pingcap/errors" + "github.com/pingcap/tidb/errno" +) + +func TestT(t *testing.T) { + TestingT(t) +} + +var _ = Suite(&testkSuite{}) + +type testkSuite struct{} + +func (s *testkSuite) TestErrorRedact(c *C) { + original := errors.RedactLogEnabled.Load() + errors.RedactLogEnabled.Store(true) + defer func() { errors.RedactLogEnabled.Store(original) }() + + class := ErrClass{} + err := class.NewStd(errno.ErrDupEntry).GenWithStackByArgs("sensitive", "data") + c.Assert(strings.Contains(err.Error(), "?"), IsTrue) + c.Assert(strings.Contains(err.Error(), "sensitive"), IsFalse) + c.Assert(strings.Contains(err.Error(), "data"), IsFalse) +} diff --git a/util/hint/hint_processor.go b/util/hint/hint_processor.go index b1fd24ed20909..86804acee6ab1 100644 --- a/util/hint/hint_processor.go +++ b/util/hint/hint_processor.go @@ -23,9 +23,9 @@ import ( "github.com/pingcap/parser/ast" "github.com/pingcap/parser/format" "github.com/pingcap/parser/model" - "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/errno" "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/logutil" "go.uber.org/zap" ) @@ -105,7 +105,7 @@ func checkInsertStmtHintDuplicated(node ast.Node, sctx sessionctx.Context) { } if duplicatedHint != nil { hint := fmt.Sprintf("%s(`%v`)", duplicatedHint.HintName.O, duplicatedHint.HintData) - err := terror.ClassUtil.New(errno.ErrWarnConflictingHint, fmt.Sprintf(errno.MySQLErrName[errno.ErrWarnConflictingHint], hint)) + err := dbterror.ClassUtil.NewStd(errno.ErrWarnConflictingHint).FastGenByArgs(hint) sctx.GetSessionVars().StmtCtx.AppendWarning(err) } } diff --git a/util/memory/action.go b/util/memory/action.go index b1081ba5c1adc..d78d4994272a9 100644 --- a/util/memory/action.go +++ b/util/memory/action.go @@ -17,8 +17,8 @@ import ( "fmt" "sync" - "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/errno" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/logutil" "go.uber.org/zap" ) @@ -100,7 +100,7 @@ func (a *PanicOnExceed) Action(t *Tracker) { func (a *PanicOnExceed) SetFallback(ActionOnExceed) {} var ( - errMemExceedThreshold = terror.ClassUtil.New(errno.ErrMemExceedThreshold, errno.MySQLErrName[errno.ErrMemExceedThreshold]) + errMemExceedThreshold = dbterror.ClassUtil.NewStd(errno.ErrMemExceedThreshold) ) const ( diff --git a/util/ranger/points.go b/util/ranger/points.go index 7eb4763a92db9..166aa5cc1f552 100644 --- a/util/ranger/points.go +++ b/util/ranger/points.go @@ -21,7 +21,6 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/mysql" - "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/errno" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/sessionctx" @@ -29,11 +28,12 @@ import ( "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/collate" + "github.com/pingcap/tidb/util/dbterror" ) // Error instances. var ( - ErrUnsupportedType = terror.ClassOptimizer.New(errno.ErrUnsupportedType, errno.MySQLErrName[errno.ErrUnsupportedType]) + ErrUnsupportedType = dbterror.ClassOptimizer.NewStd(errno.ErrUnsupportedType) ) // RangeType is alias for int. diff --git a/util/redact/redact.go b/util/redact/redact.go deleted file mode 100644 index 11f894f5086f9..0000000000000 --- a/util/redact/redact.go +++ /dev/null @@ -1,67 +0,0 @@ -// Copyright 2020 PingCAP, Inc. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// See the License for the specific language governing permissions and -// limitations under the License. - -package redact - -import ( - "github.com/pingcap/parser/terror" - "github.com/pingcap/tidb/config" -) - -// TError is a alias, use to avoid `Error` method name in conflict with field name. -type TError = terror.Error - -type redactError struct { - *TError - redactPositions []int -} - -// GenWithStackByArgs generates a new *Error with the same class and code, and new arguments. -func (e *redactError) GenWithStackByArgs(args ...interface{}) error { - redactErrorArg(args, e.redactPositions) - return e.TError.GenWithStackByArgs(args...) -} - -// FastGen generates a new *Error with the same class and code, and a new arguments. -func (e *redactError) FastGenByArgs(args ...interface{}) error { - redactErrorArg(args, e.redactPositions) - return e.TError.GenWithStackByArgs(args...) -} - -// Equal checks if err is equal to e. -func (e *redactError) Equal(err error) bool { - if redactErr, ok := err.(*redactError); ok { - return e.TError.Equal(redactErr.TError) - } - return e.TError.Equal(err) -} - -// Cause implement the Cause interface. -func (e *redactError) Cause() error { - return e.TError -} - -func redactErrorArg(args []interface{}, position []int) { - if config.RedactLogEnabled() { - for _, pos := range position { - if len(args) > pos { - args[pos] = "?" - } - } - } -} - -// NewRedactError returns a new redact error. -func NewRedactError(err *terror.Error, redactPositions ...int) *redactError { - return &redactError{err, redactPositions} -} From f750afb321caca356adc8aca3f954acf3b5ef2c4 Mon Sep 17 00:00:00 2001 From: Lonng Date: Wed, 21 Oct 2020 15:54:38 +0800 Subject: [PATCH 0059/1021] *: introduce errors documentation generator to generate errors.toml (#20516) Signed-off-by: Lonng --- Makefile | 9 +- errors.toml | 1518 +++++++++++++++++++++++++++++++++++ go.mod | 28 +- go.sum | 62 +- tools/check/check-errdoc.sh | 26 + 5 files changed, 1630 insertions(+), 13 deletions(-) create mode 100644 errors.toml create mode 100755 tools/check/check-errdoc.sh diff --git a/Makefile b/Makefile index dced1380341e4..037aa64c3bc22 100644 --- a/Makefile +++ b/Makefile @@ -88,7 +88,7 @@ dev: checklist check test # Install the check tools. check-setup:tools/bin/revive tools/bin/goword tools/bin/gometalinter tools/bin/gosec -check: fmt errcheck unconvert lint tidy testSuite check-static vet staticcheck +check: fmt errcheck unconvert lint tidy testSuite check-static vet staticcheck errdoc # These need to be fixed before they can be ran regularly check-fail: goword check-slow @@ -127,6 +127,10 @@ gogenerate: @echo "go generate ./..." ./tools/check/check-gogenerate.sh +errdoc:tools/bin/errdoc-gen + @echo "generator errors.toml" + ./tools/check/check-errdoc.sh + lint:tools/bin/revive @echo "linting" @tools/bin/revive -formatter friendly -config tools/check/revive.toml $(FILES) @@ -299,6 +303,9 @@ tools/bin/unconvert: tools/check/go.mod tools/bin/failpoint-ctl: go.mod $(GO) build -o $@ github.com/pingcap/failpoint/failpoint-ctl +tools/bin/errdoc-gen: go.mod + $(GO) build -o $@ github.com/pingcap/tiup/components/errdoc/errdoc-gen + tools/bin/golangci-lint: curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s -- -b ./tools/bin v1.29.0 diff --git a/errors.toml b/errors.toml new file mode 100644 index 0000000000000..54c86ed23d21f --- /dev/null +++ b/errors.toml @@ -0,0 +1,1518 @@ +# AUTOGENERATED BY github.com/pingcap/tiup/components/errdoc/errdoc-gen +# DO NOT EDIT THIS FILE, PLEASE CHANGE ERROR DEFINITION IF CONTENT IMPROPER. + +["admin:8003"] +error = ''' +TiDB admin check table failed. +''' + +["admin:8223"] +error = ''' +data isn't equal +''' + +["admin:8224"] +error = ''' +DDL Job:%v not found +''' + +["admin:8225"] +error = ''' +This job:%v is finished, so can't be cancelled +''' + +["admin:8226"] +error = ''' +This job:%v is almost finished, can't be cancelled now +''' + +["autoid:1075"] +error = ''' +Incorrect table definition; there can be only one auto column and it must be defined as a key +''' + +["autoid:1467"] +error = ''' +Failed to read auto-increment value from storage engine +''' + +["autoid:8058"] +error = ''' +Invalid allocator type +''' + +["autoid:8059"] +error = ''' +Failed to read auto-random value from storage engine +''' + +["ddl:1025"] +error = ''' +Error on rename of '%-.210s' to '%-.210s' (errno: %d - %s) +''' + +["ddl:1048"] +error = ''' +Column '%-.192s' cannot be null +''' + +["ddl:1054"] +error = ''' +Unknown column '%-.192s' in '%-.192s' +''' + +["ddl:1059"] +error = ''' +Identifier name '%-.100s' is too long +''' + +["ddl:1061"] +error = ''' +Duplicate key name '%-.192s' +''' + +["ddl:1067"] +error = ''' +Invalid default value for '%-.192s' +''' + +["ddl:1090"] +error = ''' +You can't delete all columns with ALTER TABLE; use DROP TABLE instead +''' + +["ddl:1091"] +error = ''' +Can't DROP '%-.192s'; check that column/key exists +''' + +["ddl:1102"] +error = ''' +Incorrect database name '%-.100s' +''' + +["ddl:1103"] +error = ''' +Incorrect table name '%-.100s' +''' + +["ddl:1111"] +error = ''' +Invalid use of group function +''' + +["ddl:1113"] +error = ''' +A table must have at least 1 column +''' + +["ddl:1115"] +error = ''' +Unknown character set: '%-.64s' +''' + +["ddl:1166"] +error = ''' +Incorrect column name '%-.100s' +''' + +["ddl:1171"] +error = ''' +All parts of a PRIMARY KEY must be NOT NULL; if you need NULL in a key, use UNIQUE instead +''' + +["ddl:1177"] +error = ''' +Can't open table +''' + +["ddl:1214"] +error = ''' +The used table type doesn't support FULLTEXT indexes +''' + +["ddl:1248"] +error = ''' +Every derived table must have its own alias +''' + +["ddl:1253"] +error = ''' +COLLATION '%s' is not valid for CHARACTER SET '%s' +''' + +["ddl:1264"] +error = ''' +Out of range value for column '%s' at row %d +''' + +["ddl:1265"] +error = ''' +Data truncated for column '%s' at row %d +''' + +["ddl:1273"] +error = ''' +Unsupported collation when new collation is enabled: '%-.64s' +''' + +["ddl:1280"] +error = ''' +Incorrect index name '%-.100s' +''' + +["ddl:1292"] +error = ''' +Truncated incorrect %-.64s value: '%-.128s' +''' + +["ddl:1294"] +error = ''' +Invalid ON UPDATE clause for '%-.192s' column +''' + +["ddl:1302"] +error = ''' +Conflicting declarations: 'CHARACTER SET %s' and 'CHARACTER SET %s' +''' + +["ddl:1347"] +error = ''' +'%-.192s.%-.192s' is not %s +''' + +["ddl:1350"] +error = ''' +View's SELECT contains a '%s' clause +''' + +["ddl:1353"] +error = ''' +View's SELECT and view's field list have different column counts +''' + +["ddl:1481"] +error = ''' +MAXVALUE can only be used in last partition definition +''' + +["ddl:1488"] +error = ''' +Field in list of fields for partition function not found in table +''' + +["ddl:1491"] +error = ''' +The %-.192s function returns the wrong type +''' + +["ddl:1493"] +error = ''' +VALUES LESS THAN value must be strictly increasing for each partition +''' + +["ddl:1495"] +error = ''' +Multiple definition of same constant in list partitioning +''' + +["ddl:1499"] +error = ''' +Too many partitions (including subpartitions) were defined +''' + +["ddl:1503"] +error = ''' +A %-.192s must include all columns in the table's partitioning function +''' + +["ddl:1505"] +error = ''' +Partition management on a not partitioned table is not possible +''' + +["ddl:1507"] +error = ''' +Error in list of partitions to %-.64s +''' + +["ddl:1508"] +error = ''' +Cannot remove all partitions, use DROP TABLE instead +''' + +["ddl:1509"] +error = ''' +COALESCE PARTITION can only be used on HASH/KEY partitions +''' + +["ddl:1517"] +error = ''' +Duplicate partition name %-.192s +''' + +["ddl:1564"] +error = ''' +This partition function is not allowed +''' + +["ddl:1654"] +error = ''' +Partition column values of incorrect type +''' + +["ddl:1659"] +error = ''' +Field '%-.192s' is of a not allowed type for this type of partitioning +''' + +["ddl:1731"] +error = ''' +Non matching attribute '%-.64s' between partition and table +''' + +["ddl:1732"] +error = ''' +Table to exchange with partition is partitioned: '%-.64s' +''' + +["ddl:1736"] +error = ''' +Tables have different definitions +''' + +["ddl:1737"] +error = ''' +Found a row that does not match the partition +''' + +["ddl:1740"] +error = ''' +Table to exchange with partition has foreign key references: '%-.64s' +''' + +["ddl:1846"] +error = ''' +%s is not supported. Reason: %s. Try %s. +''' + +["ddl:3102"] +error = ''' +Expression of generated column '%s' contains a disallowed function. +''' + +["ddl:3106"] +error = ''' +'%s' is not supported for generated columns. +''' + +["ddl:3109"] +error = ''' +Generated column '%s' cannot refer to auto-increment column. +''' + +["ddl:3522"] +error = ''' +A primary key index cannot be invisible +''' + +["ddl:3754"] +error = ''' +Expression index '%s' cannot refer to an auto-increment column +''' + +["ddl:3756"] +error = ''' +The primary key cannot be an expression index +''' + +["ddl:3758"] +error = ''' +Expression of expression index '%s' contains a disallowed function +''' + +["ddl:3762"] +error = ''' +Expression index on a column is not supported. Consider using a regular index instead +''' + +["ddl:3764"] +error = ''' +Expression of generated column '%s' cannot refer to a row value +''' + +["ddl:3800"] +error = ''' +Expression of expression index '%s' cannot refer to a row value +''' + +["ddl:4135"] +error = ''' +Sequence '%-.64s.%-.64s' has run out +''' + +["ddl:4136"] +error = ''' +Sequence '%-.64s.%-.64s' values are conflicting +''' + +["ddl:4137"] +error = ''' +Sequence '%-.64s.%-.64s' access error +''' + +["ddl:4138"] +error = ''' +'%-.64s.%-.64s' is not a SEQUENCE +''' + +["ddl:4139"] +error = ''' +Unknown SEQUENCE: '%-.300s' +''' + +["ddl:8200"] +error = ''' +Unsupported partition by range columns +''' + +["ddl:8210"] +error = ''' +Invalid %!s(MISSING) state: %!v(MISSING) +''' + +["ddl:8215"] +error = ''' +Failed to repair table: %s +''' + +["ddl:8216"] +error = ''' +Invalid auto random: %s +''' + +["ddl:8227"] +error = ''' +Unsupported sequence table-option %s +''' + +["ddl:8228"] +error = ''' +Unsupported sequence default value for column type '%s' +''' + +["ddl:8230"] +error = ''' +Unsupported using sequence as default value in add column '%s' +''' + +["ddl:8231"] +error = ''' +%s is not supported +''' + +["ddl:8232"] +error = ''' +CREATE/ALTER table with union option is not supported +''' + +["ddl:8233"] +error = ''' +CREATE/ALTER table with insert method option is not supported +''' + +["ddl:8234"] +error = ''' +Invalid placement policy '%s': %s +''' + +["domain:8027"] +error = ''' +Information schema is out of date: schema failed to update in 1 lease, please make sure TiDB can connect to TiKV +''' + +["domain:8028"] +error = ''' +Information schema is changed during the execution of the statement(for example, table definition may be updated by other DDL ran in parallel). If you see this error often, try increasing `tidb_max_delta_schema_count`. [try again later] +''' + +["domain:9009"] +error = ''' +Prometheus address is not set in PD and etcd +''' + +["executor:1044"] +error = ''' +Access denied for user '%-.48s'@'%-.64s' to database '%-.192s' +''' + +["executor:1049"] +error = ''' +Unknown database '%-.192s' +''' + +["executor:1133"] +error = ''' +Can't find any matching row in the user table +''' + +["executor:1142"] +error = ''' +%-.128s command denied to user '%-.48s'@'%-.64s' for table '%-.64s' +''' + +["executor:1213"] +error = ''' +Deadlock found when trying to get lock; try restarting transaction +''' + +["executor:1317"] +error = ''' +Query execution was interrupted +''' + +["executor:1347"] +error = ''' +'%-.192s.%-.192s' is not %s +''' + +["executor:1390"] +error = ''' +Prepared statement contains too many placeholders +''' + +["executor:1396"] +error = ''' +Operation %s failed for %.256s +''' + +["executor:1410"] +error = ''' +You are not allowed to create a user with GRANT +''' + +["executor:1568"] +error = ''' +Transaction characteristics can't be changed while a transaction is in progress +''' + +["executor:1827"] +error = ''' +The password hash doesn't have the expected format. Check if the correct password algorithm is being used with the PASSWORD() function. +''' + +["executor:8003"] +error = ''' +TiDB admin check table failed. +''' + +["executor:8114"] +error = ''' +Unknown plan +''' + +["executor:8115"] +error = ''' +Can not prepare multiple statements +''' + +["executor:8116"] +error = ''' +Can not prepare DDL statements with parameters +''' + +["executor:8117"] +error = ''' +Result is empty +''' + +["executor:8118"] +error = ''' +Failed to build executor +''' + +["executor:8119"] +error = ''' +Batch insert failed, please clean the table and try again. +''' + +["executor:8120"] +error = ''' +Can not get start ts +''' + +["executor:8124"] +error = ''' +Backup failed: %s +''' + +["executor:8125"] +error = ''' +Restore failed: %s +''' + +["executor:8126"] +error = ''' +Import failed: %s +''' + +["executor:8127"] +error = ''' +Export failed: %s +''' + +["expression:1139"] +error = ''' +Got error '%-.64s' from regexp +''' + +["expression:1235"] +error = ''' +function %s has only noop implementation in tidb now, use tidb_enable_noop_functions to enable these functions +''' + +["expression:1241"] +error = ''' +Operand should contain %d column(s) +''' + +["expression:1260"] +error = ''' +Some rows were cut by GROUPCONCAT(%s) +''' + +["expression:1267"] +error = ''' +Illegal mix of collations (%s,%s) and (%s,%s) for operation '%s' +''' + +["expression:1270"] +error = ''' +Illegal mix of collations (%s,%s), (%s,%s), (%s,%s) for operation '%s' +''' + +["expression:1271"] +error = ''' +Illegal mix of collations for operation '%s' +''' + +["expression:1365"] +error = ''' +Division by 0 +''' + +["expression:1582"] +error = ''' +Incorrect parameter count in the call to native function '%-.192s' +''' + +["expression:3020"] +error = ''' +Invalid argument for logarithm +''' + +["expression:3064"] +error = ''' +Incorrect type for argument %s in function %s. +''' + +["json:3069"] +error = ''' +Invalid JSON data provided to function %s: %s +''' + +["json:3140"] +error = ''' +Invalid JSON text: %-.192s +''' + +["json:3143"] +error = ''' +Invalid JSON path expression %s. +''' + +["json:3149"] +error = ''' +In this situation, path expressions may not contain the * and ** tokens. +''' + +["json:3150"] +error = ''' +The second argument can only be either 'one' or 'all'. +''' + +["json:3158"] +error = ''' +JSON documents may not contain NULL member names. +''' + +["json:3165"] +error = ''' +A path expression is not a path to a cell in an array. +''' + +["json:8066"] +error = ''' +JSON_OBJECTAGG: unsupported second argument type %v +''' + +["kv:1062"] +error = ''' +Duplicate entry '%-.64s' for key '%-.192s' +''' + +["kv:8004"] +error = ''' +Transaction is too large, size: %d +''' + +["kv:8005"] +error = ''' +Write conflict, txnStartTS %d is stale [try again later] +''' + +["kv:8021"] +error = ''' +Error: key not exist +''' + +["kv:8022"] +error = ''' +Error: KV error safe to retry %s [try again later] +''' + +["kv:8023"] +error = ''' +can not set nil value +''' + +["kv:8024"] +error = ''' +invalid transaction +''' + +["kv:8025"] +error = ''' +entry too large, the max entry size is %d, the size of data is %d +''' + +["kv:8026"] +error = ''' +not implemented +''' + +["kv:9007"] +error = ''' +Write conflict, txnStartTS=%d, conflictStartTS=%d, conflictCommitTS=%d, key=%s [try again later] +''' + +["meta:1007"] +error = ''' +Can't create database '%-.192s'; database exists +''' + +["meta:1049"] +error = ''' +Unknown database '%-.192s' +''' + +["meta:1050"] +error = ''' +Table '%-.192s' already exists +''' + +["meta:1146"] +error = ''' +Table '%-.192s.%-.192s' doesn't exist +''' + +["meta:8235"] +error = ''' +DDL reorg element does not exist +''' + +["planner:1044"] +error = ''' +Access denied for user '%-.48s'@'%-.64s' to database '%-.192s' +''' + +["planner:1045"] +error = ''' +Access denied for user '%-.48s'@'%-.64s' +''' + +["planner:1046"] +error = ''' +No database selected +''' + +["planner:1051"] +error = ''' +Unknown table '%-.100s' +''' + +["planner:1052"] +error = ''' +Column '%-.192s' in %-.192s is ambiguous +''' + +["planner:1054"] +error = ''' +Unknown column '%-.192s' in '%-.192s' +''' + +["planner:1055"] +error = ''' +Expression #%d of %s is not in GROUP BY clause and contains nonaggregated column '%s' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by +''' + +["planner:1056"] +error = ''' +Can't group on '%-.192s' +''' + +["planner:1060"] +error = ''' +Duplicate column name '%-.192s' +''' + +["planner:1066"] +error = ''' +Not unique table/alias: '%-.192s' +''' + +["planner:1094"] +error = ''' +Unknown thread id: %d +''' + +["planner:1105"] +error = ''' +Unknown error +''' + +["planner:1109"] +error = ''' +Unknown table '%-.192s' in %-.32s +''' + +["planner:1111"] +error = ''' +Invalid use of group function +''' + +["planner:1136"] +error = ''' +Column count doesn't match value count at row %d +''' + +["planner:1142"] +error = ''' +%-.128s command denied to user '%-.48s'@'%-.64s' for table '%-.64s' +''' + +["planner:1146"] +error = ''' +Table '%-.192s.%-.192s' doesn't exist +''' + +["planner:1176"] +error = ''' +Key '%-.192s' doesn't exist in table '%-.192s' +''' + +["planner:1210"] +error = ''' +Incorrect arguments to %s +''' + +["planner:1221"] +error = ''' +Incorrect usage of %s and %s +''' + +["planner:1222"] +error = ''' +The used SELECT statements have a different number of columns +''' + +["planner:1227"] +error = ''' +Access denied; you need (at least one of) the %-.128s privilege(s) for this operation +''' + +["planner:1235"] +error = ''' +This version of TiDB doesn't yet support '%s' +''' + +["planner:1241"] +error = ''' +Operand should contain %d column(s) +''' + +["planner:1247"] +error = ''' +Reference '%-.64s' not supported (%s) +''' + +["planner:1250"] +error = ''' +Table '%s' from one of the %ss cannot be used in %s +''' + +["planner:1288"] +error = ''' +The target table %-.100s of the %s is not updatable +''' + +["planner:1345"] +error = ''' +EXPLAIN/SHOW can not be issued; lacking privileges for underlying table +''' + +["planner:1356"] +error = ''' +View '%-.192s.%-.192s' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them +''' + +["planner:1747"] +error = ''' +PARTITION () clause on non partitioned table +''' + +["planner:1791"] +error = ''' +Unknown EXPLAIN format name: '%s' +''' + +["planner:1815"] +error = ''' +Internal : %s +''' + +["planner:3105"] +error = ''' +The value specified for generated column '%s' in table '%s' is not allowed. +''' + +["planner:3106"] +error = ''' +'%s' is not supported for generated columns. +''' + +["planner:3579"] +error = ''' +Window name '%s' is not defined. +''' + +["planner:3580"] +error = ''' +There is a circularity in the window dependency graph. +''' + +["planner:3581"] +error = ''' +A window which depends on another cannot define partitioning. +''' + +["planner:3582"] +error = ''' +Window '%s' has a frame definition, so cannot be referenced by another window. +''' + +["planner:3583"] +error = ''' +Window '%s' cannot inherit '%s' since both contain an ORDER BY clause. +''' + +["planner:3584"] +error = ''' +Window '%s': frame start cannot be UNBOUNDED FOLLOWING. +''' + +["planner:3585"] +error = ''' +Window '%s': frame end cannot be UNBOUNDED PRECEDING. +''' + +["planner:3586"] +error = ''' +Window '%s': frame start or end is negative, NULL or of non-integral type +''' + +["planner:3587"] +error = ''' +Window '%s' with RANGE N PRECEDING/FOLLOWING frame requires exactly one ORDER BY expression, of numeric or temporal type +''' + +["planner:3588"] +error = ''' +Window '%s' with RANGE frame has ORDER BY expression of datetime type. Only INTERVAL bound value allowed. +''' + +["planner:3589"] +error = ''' +Window '%s' with RANGE frame has ORDER BY expression of numeric type, INTERVAL bound value not allowed. +''' + +["planner:3590"] +error = ''' +Window '%s' has a non-constant frame bound. +''' + +["planner:3591"] +error = ''' +Window '%s' is defined twice. +''' + +["planner:3593"] +error = ''' +You cannot use the window function '%s' in this context.' +''' + +["planner:3594"] +error = ''' +You cannot use the alias '%s' of an expression containing a window function in this context.' +''' + +["planner:3596"] +error = ''' +Window '%s': INTERVAL can only be used with RANGE frames. +''' + +["planner:3599"] +error = ''' +Window function '%s' ignores the frame clause of window '%s' and aggregates over the whole partition +''' + +["planner:8108"] +error = ''' +Unsupported type %T +''' + +["planner:8109"] +error = ''' +Index '%s' in field list does not exist in table '%s' +''' + +["planner:8110"] +error = ''' +Cartesian product is unsupported +''' + +["planner:8111"] +error = ''' +Prepared statement not found +''' + +["planner:8112"] +error = ''' +Wrong parameter count +''' + +["planner:8113"] +error = ''' +Schema has changed +''' + +["planner:8121"] +error = ''' +privilege check fail +''' + +["planner:8122"] +error = ''' +Wildcard fields without any table name appears in wrong place +''' + +["planner:8123"] +error = ''' +In aggregated query without GROUP BY, expression #%d of SELECT list contains nonaggregated column '%s'; this is incompatible with sql_mode=only_full_group_by +''' + +["privilege:1141"] +error = ''' +There is no such grant defined for user '%-.48s' on host '%-.64s' +''' + +["privilege:3530"] +error = ''' +%s is is not granted to %s +''' + +["schema:1007"] +error = ''' +Can't create database '%-.192s'; database exists +''' + +["schema:1008"] +error = ''' +Can't drop database '%-.192s'; database doesn't exist +''' + +["schema:1045"] +error = ''' +Access denied for user '%-.48s'@'%-.64s' (using password: %s) +''' + +["schema:1049"] +error = ''' +Unknown database '%-.192s' +''' + +["schema:1050"] +error = ''' +Table '%-.192s' already exists +''' + +["schema:1051"] +error = ''' +Unknown table '%-.100s' +''' + +["schema:1054"] +error = ''' +Unknown column '%-.192s' in '%-.192s' +''' + +["schema:1060"] +error = ''' +Duplicate column name '%-.192s' +''' + +["schema:1061"] +error = ''' +Duplicate key name '%-.192s' +''' + +["schema:1066"] +error = ''' +Not unique table/alias: '%-.192s' +''' + +["schema:1068"] +error = ''' +Multiple primary key defined +''' + +["schema:1070"] +error = ''' +Too many key parts specified; max %d parts allowed +''' + +["schema:1091"] +error = ''' +Can't DROP '%-.192s'; check that column/key exists +''' + +["schema:1099"] +error = ''' +Table '%-.192s' was locked with a READ lock and can't be updated +''' + +["schema:1100"] +error = ''' +Table '%-.192s' was not locked with LOCK TABLES +''' + +["schema:1146"] +error = ''' +Table '%-.192s.%-.192s' doesn't exist +''' + +["schema:1176"] +error = ''' +Key '%-.192s' doesn't exist in table '%-.192s' +''' + +["schema:1215"] +error = ''' +Cannot add foreign key constraint +''' + +["schema:1239"] +error = ''' +Incorrect foreign key definition for '%-.192s': %s +''' + +["schema:1347"] +error = ''' +'%-.192s.%-.192s' is not %s +''' + +["schema:1831"] +error = ''' +Duplicate index '%-.64s' defined on the table '%-.64s.%-.64s'. This is deprecated and will be disallowed in a future release. +''' + +["schema:3162"] +error = ''' +User %s does not exist. +''' + +["schema:3163"] +error = ''' +User %s already exists. +''' + +["schema:4139"] +error = ''' +Unknown SEQUENCE: '%-.300s' +''' + +["schema:8020"] +error = ''' +Table '%s' was locked in %s by %v +''' + +["session:8002"] +error = ''' +[%d] can not retry select for update statement +''' + +["structure:8217"] +error = ''' +invalid encoded hash key flag +''' + +["structure:8218"] +error = ''' +invalid list index +''' + +["structure:8219"] +error = ''' +invalid list meta data +''' + +["structure:8220"] +error = ''' +write on snapshot +''' + +["table:1048"] +error = ''' +Column '%-.192s' cannot be null +''' + +["table:1054"] +error = ''' +Unknown column '%-.192s' in '%-.192s' +''' + +["table:1192"] +error = ''' +Can't execute the given command because you have active locked tables or an active transaction +''' + +["table:1364"] +error = ''' +Field '%-.192s' doesn't have a default value +''' + +["table:1366"] +error = ''' +Incorrect %-.32s value: '%-.128s' for column '%.192s' at row %d +''' + +["table:1526"] +error = ''' +Table has no partition for value %-.64s +''' + +["table:1735"] +error = ''' +Unknown partition '%-.64s' in table '%-.64s' +''' + +["table:1748"] +error = ''' +Found a row not matching the given partition set +''' + +["table:4135"] +error = ''' +Sequence '%-.64s.%-.64s' has run out +''' + +["table:8039"] +error = ''' +Index column %s offset out of bound, offset: %d, row: %v +''' + +["table:8040"] +error = ''' +operation not supported +''' + +["table:8041"] +error = ''' +can not find the row: %s +''' + +["table:8042"] +error = ''' +table %s can't be in none state +''' + +["table:8043"] +error = ''' +can not use non-public column +''' + +["table:8044"] +error = ''' +index %s can't be in none state +''' + +["table:8045"] +error = ''' +invalid record key +''' + +["table:8046"] +error = ''' +column %s can't be in none state +''' + +["tikv:1105"] +error = ''' +Unknown error +''' + +["tikv:1205"] +error = ''' +Lock wait timeout exceeded; try restarting transaction +''' + +["tikv:1317"] +error = ''' +Query execution was interrupted +''' + +["tikv:3572"] +error = ''' +Statement aborted because lock(s) could not be acquired immediately and NOWAIT is set. +''' + +["tikv:8229"] +error = ''' +TTL manager has timed out, pessimistic locks may expire, please commit or rollback this transaction +''' + +["tikv:9001"] +error = ''' +PD server timeout +''' + +["tikv:9002"] +error = ''' +TiKV server timeout +''' + +["tikv:9003"] +error = ''' +TiKV server is busy +''' + +["tikv:9004"] +error = ''' +Resolve lock timeout +''' + +["tikv:9005"] +error = ''' +Region is unavailable +''' + +["tikv:9006"] +error = ''' +GC life time is shorter than transaction duration, transaction starts at %v, GC safe point is %v +''' + +["tikv:9008"] +error = ''' +Store token is up to the limit, store id = %d +''' + +["tikv:9010"] +error = ''' +TiKV server reports stale command +''' + +["tikv:9011"] +error = ''' +TiKV max timestamp is not synced +''' + +["types:1074"] +error = ''' +Column length too big for column '%-.192s' (max = %d); use BLOB or TEXT instead +''' + +["types:1097"] +error = ''' +Too many strings for column %-.192s and SET +''' + +["types:1264"] +error = ''' +Out of range value for column '%s' at row %d +''' + +["types:1265"] +error = ''' +Data truncated for column '%s' at row %d +''' + +["types:1291"] +error = ''' +Column '%-.100s' has duplicated value '%-.64s' in %s +''' + +["types:1292"] +error = ''' +Truncated incorrect %-.64s value: '%-.128s' +''' + +["types:1365"] +error = ''' +Division by 0 +''' + +["types:1367"] +error = ''' +Illegal %s '%-.192s' value found during parsing +''' + +["types:1406"] +error = ''' +Data too long for column '%s' at row %d +''' + +["types:1425"] +error = ''' +Too big scale %d specified for column '%-.192s'. Maximum is %d. +''' + +["types:1426"] +error = ''' +Too big precision %d specified for column '%-.192s'. Maximum is %d. +''' + +["types:1427"] +error = ''' +For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column '%-.192s'). +''' + +["types:1439"] +error = ''' +Display width out of range for column '%-.192s' (max = %d) +''' + +["types:1441"] +error = ''' +Datetime function: %-.32s field overflow +''' + +["types:1690"] +error = ''' +%s value is out of range in '%s' +''' + +["types:3013"] +error = ''' +Invalid size for column '%s'. +''' + +["types:8029"] +error = ''' +Bad Number +''' + +["types:8030"] +error = ''' +Cast to signed converted positive out-of-range integer to it's negative complement +''' + +["types:8031"] +error = ''' +Cast to unsigned converted negative integer to it's positive complement +''' + +["types:8032"] +error = ''' +invalid year format +''' + +["types:8033"] +error = ''' +invalid year +''' + +["types:8037"] +error = ''' +invalid week mode format: '%v' +''' + +["variable:1193"] +error = ''' +Unknown system variable '%-.64s' +''' + +["variable:1231"] +error = ''' +Variable '%-.64s' can't be set to the value of '%-.200s' +''' + +["variable:1232"] +error = ''' +Incorrect argument type to variable '%-.64s' +''' + +["variable:1238"] +error = ''' +Variable '%-.192s' is a %s variable +''' + +["variable:1292"] +error = ''' +Truncated incorrect %-.64s value: '%-.128s' +''' + +["variable:1298"] +error = ''' +Unknown or incorrect time zone: '%-.64s' +''' + +["variable:1461"] +error = ''' +Can't create more than maxPreparedStmtCount statements (current value: %d) +''' + +["variable:1621"] +error = ''' +%s variable '%s' is read-only. Use SET %s to assign the value +''' + +["variable:8047"] +error = ''' +variable '%s' does not yet support value: %s +''' + +["variable:8048"] +error = ''' +The isolation level '%s' is not supported. Set tidb_skip_isolation_level_check=1 to skip this error +''' + +["variable:8054"] +error = ''' +cannot set variable to null +''' + +["variable:8055"] +error = ''' +snapshot is older than GC safe point %s +''' + diff --git a/go.mod b/go.mod index 6577413be7403..29d7397d0fe45 100644 --- a/go.mod +++ b/go.mod @@ -1,6 +1,7 @@ module github.com/pingcap/tidb require ( + cloud.google.com/go v0.51.0 // indirect github.com/BurntSushi/toml v0.3.1 github.com/HdrHistogram/hdrhistogram-go v0.9.0 // indirect github.com/Jeffail/gabs/v2 v2.5.1 @@ -9,6 +10,7 @@ require ( github.com/cheggaaa/pb/v3 v3.0.4 // indirect github.com/codahale/hdrhistogram v0.9.0 // indirect github.com/coreos/go-semver v0.3.0 // indirect + github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f // indirect github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548 github.com/cznic/sortutil v0.0.0-20181122101858-f5f958428db8 github.com/danjacques/gofslock v0.0.0-20191023191349-0a45f885bc37 @@ -23,15 +25,21 @@ require ( github.com/google/btree v1.0.0 github.com/google/pprof v0.0.0-20200407044318-7d83b28da2e9 github.com/google/uuid v1.1.1 - github.com/gorilla/mux v1.7.3 - github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4 + github.com/gorilla/mux v1.7.4 + github.com/gorilla/websocket v1.4.1 // indirect + github.com/grpc-ecosystem/go-grpc-middleware v1.1.0 + github.com/grpc-ecosystem/grpc-gateway v1.14.3 // indirect github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334 github.com/juju/errors v0.0.0-20200330140219-3fe23663418f github.com/juju/testing v0.0.0-20200923013621-75df6121fbb0 // indirect github.com/klauspost/cpuid v1.2.1 + github.com/mattn/go-colorable v0.1.6 // indirect + github.com/montanaflynn/stats v0.5.0 // indirect github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7 github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef github.com/ngaut/unistore v0.0.0-20200929093420-76a7b18be28e + github.com/onsi/ginkgo v1.9.0 // indirect + github.com/onsi/gomega v1.6.0 // indirect github.com/opentracing/basictracer-go v1.0.0 github.com/opentracing/opentracing-go v1.1.0 github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2 @@ -41,7 +49,7 @@ require ( github.com/pingcap/check v0.0.0-20200212061837-5e12011dc712 github.com/pingcap/errors v0.11.5-0.20201021055732-210aacd3fd99 github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce - github.com/pingcap/fn v0.0.0-20191016082858-07623b84a47d + github.com/pingcap/fn v0.0.0-20200306044125-d5540d389059 github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20200927054727-1290113160f0 github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 @@ -53,33 +61,41 @@ require ( github.com/prometheus/client_model v0.2.0 github.com/prometheus/common v0.9.1 github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect - github.com/shirou/gopsutil v2.19.10+incompatible + github.com/shirou/gopsutil v2.20.3+incompatible github.com/sirupsen/logrus v1.6.0 github.com/soheilhy/cmux v0.1.4 + github.com/spaolacci/murmur3 v1.1.0 // indirect github.com/spf13/cobra v1.0.0 // indirect github.com/spf13/pflag v1.0.5 // indirect + github.com/syndtr/goleveldb v1.0.1-0.20190318030020-c3a204f8e965 // indirect github.com/tiancaiamao/appdash v0.0.0-20181126055449-889f96f722a2 github.com/tikv/pd v1.1.0-beta.0.20200910042021-254d1345be09 github.com/twmb/murmur3 v1.1.3 - github.com/uber-go/atomic v1.3.2 + github.com/uber-go/atomic v1.4.0 github.com/uber/jaeger-client-go v2.22.1+incompatible github.com/uber/jaeger-lib v2.4.0+incompatible // indirect github.com/zhangjinpeng1987/raft v0.0.0-20200819064223-df31bb68a018 // indirect + go.etcd.io/bbolt v1.3.4 // indirect go.etcd.io/etcd v0.5.0-alpha.5.0.20191023171146-3cf2f69b5738 go.uber.org/atomic v1.7.0 go.uber.org/automaxprocs v1.2.0 go.uber.org/multierr v1.6.0 // indirect go.uber.org/zap v1.16.0 + golang.org/x/lint v0.0.0-20200302205851-738671d3881b // indirect golang.org/x/net v0.0.0-20200904194848-62affa334b73 + golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d // indirect golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208 golang.org/x/sys v0.0.0-20200819171115-d785dc25833f golang.org/x/text v0.3.3 + golang.org/x/time v0.0.0-20191024005414-555d28b269f0 // indirect golang.org/x/tools v0.0.0-20200820010801-b793a1359eac google.golang.org/api v0.15.1 // indirect + google.golang.org/genproto v0.0.0-20200108215221-bd8f9a0ef82f // indirect google.golang.org/grpc v1.26.0 gopkg.in/natefinch/lumberjack.v2 v2.0.0 honnef.co/go/tools v0.0.1-2020.1.6 // indirect - sourcegraph.com/sourcegraph/appdash v0.0.0-20180531100431-4c381bd170b4 + sigs.k8s.io/yaml v1.2.0 // indirect + sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0 sourcegraph.com/sourcegraph/appdash-data v0.0.0-20151005221446-73f23eafcf67 ) diff --git a/go.sum b/go.sum index e4444b0fa6794..0a7709b5b13db 100644 --- a/go.sum +++ b/go.sum @@ -7,6 +7,8 @@ cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTj cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0= cloud.google.com/go v0.50.0 h1:0E3eE8MX426vUOs7aHfI7aN1BrIzzzf4ccKCSfSjGmc= cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To= +cloud.google.com/go v0.51.0 h1:PvKAVQWCtlGUSlZkGW3QLelKaWq7KYv/MW1EboG8bfM= +cloud.google.com/go v0.51.0/go.mod h1:hWtGJ6gnXH+KgDv+V0zFGDvpi07n3z8ZNj3T1RW0Gcw= cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o= cloud.google.com/go/bigquery v1.3.0 h1:sAbMqjY1PEQKZBWfbu6Y6bsupJ9c4QdHnzg/VvYTLcE= cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE= @@ -90,6 +92,8 @@ github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3Ee github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e h1:Wf6HqHfScWJN9/ZjdUKyjop4mf3Qdd+1TvvltAvM3m8= github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= +github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f h1:JOrtw2xFKzlg+cbHpyrpLDmnN1HqhBfnX7WDiW7eG2c= +github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA= github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f h1:lBNOc5arjvs8E5mO2tbpBpLoyyu8B6e44T7hJy6potg= github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA= @@ -227,6 +231,7 @@ github.com/google/martian v2.1.0+incompatible h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPg github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs= github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= +github.com/google/pprof v0.0.0-20191218002539-d4f498aebedc/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM= github.com/google/pprof v0.0.0-20200407044318-7d83b28da2e9 h1:K+lX49/3eURCE1IjlaZN//u6c+9nfDAMnyQ9E2dsJbY= github.com/google/pprof v0.0.0-20200407044318-7d83b28da2e9/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM= github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI= @@ -241,18 +246,26 @@ github.com/gorilla/handlers v1.4.2 h1:0QniY0USkHQ1RGCLfKxeNHK9bkDHGRYGNDFBCS+YAR github.com/gorilla/handlers v1.4.2/go.mod h1:Qkdc/uu4tH4g6mTK6auzZ766c4CA0Ng8+o/OAirnOIQ= github.com/gorilla/mux v1.7.3 h1:gnP5JzjVOuiZD07fKKToCAOjS0yOpj/qPETTXCCS6hw= github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2zaAs= +github.com/gorilla/mux v1.7.4 h1:VuZ8uybHlWmqV03+zRzdwKL4tUnIp1MAQtp1mIFE1bc= +github.com/gorilla/mux v1.7.4/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So= github.com/gorilla/websocket v0.0.0-20170926233335-4201258b820c/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ= github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q= github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ= +github.com/gorilla/websocket v1.4.1 h1:q7AeDBpnBk8AogcD4DSag/Ukw/KV+YhzLj2bP5HvKCM= +github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE= github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs= github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4 h1:z53tR0945TRRQO/fLEVPI6SMv7ZflF0TEaTAoU7tOzg= github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs= +github.com/grpc-ecosystem/go-grpc-middleware v1.1.0 h1:THDBEeQ9xZ8JEaCLyLQqXMMdRqNr0QAUJTIkQAUtFjg= +github.com/grpc-ecosystem/go-grpc-middleware v1.1.0/go.mod h1:f5nM7jw/oeRSadq3xCzHAvxcr8HZnzsqU6ILg/0NiiE= github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 h1:Ovs26xHkKqVztRpIrF/92BcuyuQ/YW4NSIpoGtfXNho= github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk= github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY= github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY= github.com/grpc-ecosystem/grpc-gateway v1.12.1 h1:zCy2xE9ablevUOrUZc3Dl72Dt+ya2FNAvC2yLYMHzi4= github.com/grpc-ecosystem/grpc-gateway v1.12.1/go.mod h1:8XEsbTttt/W+VvjtQhLACqCisSPWTxCZ7sBRjU6iH9c= +github.com/grpc-ecosystem/grpc-gateway v1.14.3 h1:OCJlWkOUoTnl0neNGlf4fUm3TmbEtguw7vR+nGtnDjY= +github.com/grpc-ecosystem/grpc-gateway v1.14.3/go.mod h1:6CwZWGDSPRJidgKAtJVvND6soZe6fT7iteq8wDPdhb0= github.com/gtank/cryptopasta v0.0.0-20170601214702-1f550f6f2f69/go.mod h1:YLEMZOtU+AZ7dhN9T/IpGhXVGly2bvkJQ+zxj3WeVQo= github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8= github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8= @@ -274,6 +287,7 @@ github.com/jmespath/go-jmespath v0.3.0/go.mod h1:9QtRXoHjLGCJ5IBSaohpXITPlowMeeY github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg= github.com/jonboulle/clockwork v0.1.0 h1:VKV+ZcuP6l3yW9doeqz6ziZGgcynBVQO+obU0+0hcPo= github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo= +github.com/joomcode/errorx v1.0.1 h1:CalpDWz14ZHd68fIqluJasJosAewpz2TFaJALrUxjrk= github.com/joomcode/errorx v1.0.1/go.mod h1:kgco15ekB6cs+4Xjzo7SPeXzx38PbJzBwbnu9qfVNHQ= github.com/json-iterator/go v1.1.5/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU= github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU= @@ -350,6 +364,8 @@ github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaO github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE= github.com/mattn/go-colorable v0.1.4 h1:snbPLB8fVfU9iwbbo30TPtbLRzwWu6aJS6Xh4eaaviA= github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE= +github.com/mattn/go-colorable v0.1.6 h1:6Su7aK7lXmJ/U79bYtBjLNaha4Fs1Rg9plHpcH+vvnE= +github.com/mattn/go-colorable v0.1.6/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc= github.com/mattn/go-isatty v0.0.0-20160806122752-66b8e73f3f5c/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4= github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4= github.com/mattn/go-isatty v0.0.7/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s= @@ -358,6 +374,8 @@ github.com/mattn/go-isatty v0.0.9/go.mod h1:YNRxwqDuOph6SZLI9vUUz6OYw3QyUt7WiY2y github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcMEpPG5Rm84= github.com/mattn/go-isatty v0.0.11 h1:FxPOTFNqGkuDUGi3H/qkUbQO4ZiBa2brKq5r0l8TGeM= github.com/mattn/go-isatty v0.0.11/go.mod h1:PhnuNfih5lzO57/f3n+odYbM4JtupLOxQOAqxQCu2WE= +github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY= +github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU= github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU= github.com/mattn/go-runewidth v0.0.7 h1:Ei8KR0497xHyKJPAv59M1dkC+rOZCMBJ+t3fZ+twI54= github.com/mattn/go-runewidth v0.0.7/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI= @@ -380,6 +398,8 @@ github.com/modern-go/reflect2 v1.0.1 h1:9f412s+6RmYXLWZSEzVVgPGK7C2PphHj5RJrvfx9 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0= github.com/montanaflynn/stats v0.0.0-20151014174947-eeaced052adb h1:bsjNADsjHq0gjU7KO7zwoX5k3HtFdf6TDzB3ncl5iUs= github.com/montanaflynn/stats v0.0.0-20151014174947-eeaced052adb/go.mod h1:wL8QJuTMNUDYhXwkmfOly8iTdp5TEcJFWZD2D7SIkUc= +github.com/montanaflynn/stats v0.5.0 h1:2EkzeTSqBB4V4bJwWrt5gIIrZmpJBcoIRGS2kWLgzmk= +github.com/montanaflynn/stats v0.5.0/go.mod h1:wL8QJuTMNUDYhXwkmfOly8iTdp5TEcJFWZD2D7SIkUc= github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U= github.com/ncw/directio v1.0.4 h1:CojwI07mCEmRkajgx42Pf8jyCwTs1ji9/Ij9/PJG12k= github.com/ncw/directio v1.0.4/go.mod h1:CKGdcN7StAaqjT7Qack3lAXeX4pjnyc46YeqZH1yWVY= @@ -399,8 +419,14 @@ github.com/olekukonko/tablewriter v0.0.0-20170122224234-a0225b3f23b5/go.mod h1:v github.com/olekukonko/tablewriter v0.0.4/go.mod h1:zq6QwlOf5SlnkVbMSr5EoBv3636FWnp+qbPhuoO21uA= github.com/onsi/ginkgo v1.6.0 h1:Ix8l273rp3QzYgXSR+c8d1fTG7UPgYkOSELPhiY/YGw= github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= +github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= +github.com/onsi/ginkgo v1.9.0 h1:SZjF721BByVj8QH636/8S2DnX4n0Re3SteMmw3N+tzc= +github.com/onsi/ginkgo v1.9.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= github.com/onsi/gomega v1.4.2 h1:3mYCb7aPxS/RU7TI1y4rkEn1oKmPRjNJLNEXgw7MH2I= github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY= +github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY= +github.com/onsi/gomega v1.6.0 h1:8XTW0fcJZEq9q+Upcyws4JSGua2MFysCL5xkaSgHc+M= +github.com/onsi/gomega v1.6.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY= github.com/opentracing/basictracer-go v1.0.0 h1:YyUAhaEfjoWXclZVJ9sGoNct7j4TVk7lZWlQw5UXuoo= github.com/opentracing/basictracer-go v1.0.0/go.mod h1:QfBfYuafItcjQuMwinw9GhYKwFXS9KnPs5lxoYwgW74= github.com/opentracing/opentracing-go v1.0.2/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o= @@ -435,8 +461,8 @@ github.com/pingcap/errors v0.11.5-0.20201021055732-210aacd3fd99/go.mod h1:G7x87l github.com/pingcap/failpoint v0.0.0-20191029060244-12f4ac2fd11d/go.mod h1:DNS3Qg7bEDhU6EXNHF+XSv/PGznQaMJ5FWvctpm6pQI= github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce h1:Y1kCxlCtlPTMtVcOkjUcuQKh+YrluSo7+7YMCQSzy30= github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce/go.mod h1:w4PEZ5y16LeofeeGwdgZB4ddv9bLyDuIX+ljstgKZyk= -github.com/pingcap/fn v0.0.0-20191016082858-07623b84a47d h1:rCmRK0lCRrHMUbS99BKFYhK9YxJDNw0xB033cQbYo0s= -github.com/pingcap/fn v0.0.0-20191016082858-07623b84a47d/go.mod h1:fMRU1BA1y+r89AxUoaAar4JjrhUkVDt0o0Np6V8XbDQ= +github.com/pingcap/fn v0.0.0-20200306044125-d5540d389059 h1:Pe2LbxRmbTfAoKJ65bZLmhahmvHm7n9DUxGRQT00208= +github.com/pingcap/fn v0.0.0-20200306044125-d5540d389059/go.mod h1:fMRU1BA1y+r89AxUoaAar4JjrhUkVDt0o0Np6V8XbDQ= github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 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github.com/zhangjinpeng1987/raft v0.0.0-20200819064223-df31bb68a018/go.mod h1:rT go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU= go.etcd.io/bbolt v1.3.3 h1:MUGmc65QhB3pIlaQ5bB4LwqSj6GIonVJXpZiaKNyaKk= go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU= +go.etcd.io/bbolt v1.3.4 h1:hi1bXHMVrlQh6WwxAy+qZCV/SYIlqo+Ushwdpa4tAKg= +go.etcd.io/bbolt v1.3.4/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ= go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mIZCrds/GIG4ncV9HhK5PX7jPg= go.etcd.io/etcd v0.5.0-alpha.5.0.20191023171146-3cf2f69b5738 h1:lWF4f9Nypl1ZqSb4gLeh/DGvBYVaUYHuiB93teOmwgc= go.etcd.io/etcd v0.5.0-alpha.5.0.20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mIZCrds/GIG4ncV9HhK5PX7jPg= @@ -667,6 +702,8 @@ golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHl golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod 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h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw= golang.org/x/oauth2 v0.0.0-20191202225959-858c2ad4c8b6 h1:pE8b58s1HRDMi8RDc79m0HISf9D4TzseP40cEA6IGfs= golang.org/x/oauth2 v0.0.0-20191202225959-858c2ad4c8b6/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw= +golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d h1:TzXSXBo42m9gQenoE3b9BGiEpg5IG2JkU5FkPIawgtw= +golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= @@ -745,7 +784,10 @@ golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20191128015809-6d18c012aee9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200819171115-d785dc25833f h1:KJuwZVtZBVzDmEDtB2zro9CXkD9O0dpCv4o2LHbQIAw= golang.org/x/sys v0.0.0-20200819171115-d785dc25833f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -758,6 +800,8 @@ golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxb golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 h1:SvFZT6jyqRaOeXpc5h/JSfZenJ2O330aBsf7JfSUXmQ= golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= +golang.org/x/time v0.0.0-20191024005414-555d28b269f0 h1:/5xXl8Y5W96D+TtHSlonuFqGHIWVuyCkGJLwGh9JJFs= +golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= @@ -789,6 +833,7 @@ golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtn golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191216173652-a0e659d51361/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20191227053925-7b8e75db28f4/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= +golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20200225230052-807dcd883420/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20200410194907-79a7a3126eef/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/tools v0.0.0-20200527183253-8e7acdbce89d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= @@ -828,6 +873,8 @@ google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvx google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb h1:ADPHZzpzM4tk4V4S5cnCrr5SwzvlrPRmqqCuJDB8UTs= google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= +google.golang.org/genproto v0.0.0-20200108215221-bd8f9a0ef82f h1:2wh8dWY8959cBGQvk1RD+/eQBgRYYDaZ+hT0/zsARoA= +google.golang.org/genproto v0.0.0-20200108215221-bd8f9a0ef82f/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= google.golang.org/grpc v0.0.0-20180607172857-7a6a684ca69e/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw= google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38= @@ -876,6 +923,7 @@ gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.7 h1:VUgggvou5XRW9mHwD/yXxIYSMtY0zoKQf/v226p2nyo= gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU= gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= @@ -891,7 +939,9 @@ launchpad.net/xmlpath v0.0.0-20130614043138-000000000004/go.mod h1:vqyExLOM3qBx7 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs= sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o= -sourcegraph.com/sourcegraph/appdash v0.0.0-20180531100431-4c381bd170b4 h1:VO9oZbbkvTwqLimlQt15QNdOOBArT2dw/bvzsMZBiqQ= -sourcegraph.com/sourcegraph/appdash v0.0.0-20180531100431-4c381bd170b4/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU= +sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q= +sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc= +sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0 h1:ucqkfpjg9WzSUubAO62csmucvxl4/JeW3F4I4909XkM= +sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU= sourcegraph.com/sourcegraph/appdash-data v0.0.0-20151005221446-73f23eafcf67 h1:e1sMhtVq9AfcEy8AXNb8eSg6gbzfdpYhoNqnPJa+GzI= sourcegraph.com/sourcegraph/appdash-data v0.0.0-20151005221446-73f23eafcf67/go.mod h1:L5q+DGLGOQFpo1snNEkLOJT2d1YTW66rWNzatr3He1k= diff --git a/tools/check/check-errdoc.sh b/tools/check/check-errdoc.sh new file mode 100755 index 0000000000000..56d64ba282ca9 --- /dev/null +++ b/tools/check/check-errdoc.sh @@ -0,0 +1,26 @@ +#!/usr/bin/env bash +# Copyright 2020 PingCAP, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# See the License for the specific language governing permissions and +# limitations under the License. +# +# set is used to set the environment variables. +# -e: exit immediately when a command returning a non-zero exit code. +# -u: treat unset variables as an error. +# -o pipefail: sets the exit code of a pipeline to that of the rightmost command to exit with a non-zero status, +# or to zero if all commands of the pipeline exit successfully. +set -euo pipefail + +cd -P . + +cp errors.toml /tmp/errors.toml.before +./tools/bin/errdoc-gen --source . --module github.com/pingcap/tidb --output errors.toml +diff -q errors.toml /tmp/errors.toml.before From c2d94ad54c4545bd03357a12f8e7e25044374649 Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Wed, 21 Oct 2020 16:11:07 +0800 Subject: [PATCH 0060/1021] planner: copy the field Column in dataSource when create partition union. (#20559) --- planner/core/integration_test.go | 57 ++++++++++++++++++++++++ planner/core/rule_partition_processor.go | 2 + 2 files changed, 59 insertions(+) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 6289bf76933d8..1737c3b00e115 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1685,3 +1685,60 @@ func (s *testIntegrationSerialSuite) Test19942(c *C) { tk.MustQuery("SELECT * FROM `test`.`t` FORCE INDEX(`d_idx`);").Check(mkr()) tk.MustExec("admin check table t") } + +func (s *testIntegrationSuite) TestPartitionUnionWithPPruningColumn(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t;") + tk.MustExec("CREATE TABLE `t` (\n `fid` bigint(36) NOT NULL,\n `oty` varchar(30) DEFAULT NULL,\n `oid` int(11) DEFAULT NULL,\n `pid` bigint(20) DEFAULT NULL,\n `bid` int(11) DEFAULT NULL,\n `r5` varchar(240) DEFAULT '',\n PRIMARY KEY (`fid`)\n)PARTITION BY HASH( `fid` ) PARTITIONS 4;") + + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (59, 'm', 441, 1, 2143, 'LE1264_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (135, 'm', 1121, 1, 2423, 'LE2008_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (139, 'm', 1125, 1, 2432, 'LE2005_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (143, 'm', 1129, 1, 2438, 'LE2006_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (147, 'm', 1133, 1, 2446, 'LE2014_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (167, 'm', 1178, 1, 2512, 'LE2055_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (171, 'm', 1321, 1, 2542, 'LE1006_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (179, 'm', 1466, 1, 2648, 'LE2171_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (187, 'm', 1567, 1, 2690, 'LE1293_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (57, 'm', 341, 1, 2102, 'LE1001_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (137, 'm', 1123, 1, 2427, 'LE2003_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (145, 'm', 1131, 1, 2442, 'LE2048_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (138, 'm', 1124, 1, 2429, 'LE2004_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (142, 'm', 1128, 1, 2436, 'LE2049_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (174, 'm', 1381, 1, 2602, 'LE2170_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (28, 'm', 81, 1, 2023, 'LE1009_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (60, 'm', 442, 1, 2145, 'LE1263_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (136, 'm', 1122, 1, 2425, 'LE2002_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (140, 'm', 1126, 1, 2434, 'LE2001_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (168, 'm', 1179, 1, 2514, 'LE2052_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (196, 'm', 3380, 1, 2890, 'LE1300_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (208, 'm', 3861, 1, 3150, 'LE1323_r5');") + tk.MustExec("INSERT INTO t (fid, oty, oid, pid, bid, r5) VALUES (432, 'm', 4060, 1, 3290, 'LE1327_r5');") + + tk.MustQuery("SELECT DISTINCT t.bid, t.r5 FROM t left join t parent on parent.oid = t.pid WHERE t.oty = 'm';").Sort().Check( + testkit.Rows("2023 LE1009_r5", + "2102 LE1001_r5", + "2143 LE1264_r5", + "2145 LE1263_r5", + "2423 LE2008_r5", + "2425 LE2002_r5", + "2427 LE2003_r5", + "2429 LE2004_r5", + "2432 LE2005_r5", + "2434 LE2001_r5", + "2436 LE2049_r5", + "2438 LE2006_r5", + "2442 LE2048_r5", + "2446 LE2014_r5", + "2512 LE2055_r5", + "2514 LE2052_r5", + "2542 LE1006_r5", + "2602 LE2170_r5", + "2648 LE2171_r5", + "2690 LE1293_r5", + "2890 LE1300_r5", + "3150 LE1323_r5", + "3290 LE1327_r5")) + +} diff --git a/planner/core/rule_partition_processor.go b/planner/core/rule_partition_processor.go index bf380a7275b3e..0d3a79ae82368 100644 --- a/planner/core/rule_partition_processor.go +++ b/planner/core/rule_partition_processor.go @@ -948,6 +948,8 @@ func (s *partitionProcessor) makeUnionAllChildren(ds *DataSource, pi *model.Part newDataSource := *ds newDataSource.baseLogicalPlan = newBaseLogicalPlan(ds.SCtx(), plancodec.TypeTableScan, &newDataSource, ds.blockOffset) newDataSource.schema = ds.schema.Clone() + newDataSource.Columns = make([]*model.ColumnInfo, len(ds.Columns)) + copy(newDataSource.Columns, ds.Columns) newDataSource.isPartition = true newDataSource.physicalTableID = pi.Definitions[i].ID From e302200999045d81b19d08d5ec240d3438674abb Mon Sep 17 00:00:00 2001 From: Zejun Li Date: Thu, 22 Oct 2020 11:02:25 +0800 Subject: [PATCH 0061/1021] executor: force print slow log when trace is enabled (#20569) --- executor/adapter.go | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/executor/adapter.go b/executor/adapter.go index b1d673aa3966e..3f1504b654a66 100644 --- a/executor/adapter.go +++ b/executor/adapter.go @@ -864,8 +864,9 @@ func (a *ExecStmt) LogSlowQuery(txnTS uint64, succ bool, hasMoreResults bool) { costTime := time.Since(sessVars.StartTime) + sessVars.DurationParse threshold := time.Duration(atomic.LoadUint64(&cfg.Log.SlowThreshold)) * time.Millisecond enable := cfg.Log.EnableSlowLog - // if the level is Debug, print slow logs anyway - if (!enable || costTime < threshold) && level > zapcore.DebugLevel { + // if the level is Debug, or trace is enabled, print slow logs anyway + force := level <= zapcore.DebugLevel || trace.IsEnabled() + if (!enable || costTime < threshold) && !force { return } var sql stringutil.StringerFunc From 66b241e440222142564484ce9049991eaab36b2f Mon Sep 17 00:00:00 2001 From: xiaodong-ji Date: Thu, 22 Oct 2020 17:02:28 +0800 Subject: [PATCH 0062/1021] planner: correlated column with unique constraint can help to eliminate MaxOneRow (#20259) Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com> --- expression/schema.go | 13 +++++++ planner/core/physical_plan_test.go | 36 +++++++++++++++++ planner/core/rule_build_key_info.go | 46 ++++++++++++++-------- planner/core/testdata/plan_suite_in.json | 8 ++++ planner/core/testdata/plan_suite_out.json | 47 +++++++++++++++++++++++ 5 files changed, 133 insertions(+), 17 deletions(-) diff --git a/expression/schema.go b/expression/schema.go index 998ac2df0d0e0..0f9b19c99ec24 100644 --- a/expression/schema.go +++ b/expression/schema.go @@ -33,6 +33,9 @@ func (ki KeyInfo) Clone() KeyInfo { type Schema struct { Columns []*Column Keys []KeyInfo + // UniqueKeys stores those unique indexes that allow null values, but Keys does not allow null values. + // since equivalence conditions can filter out null values, in this case a unique index with null values can be a Key. + UniqueKeys []KeyInfo } // String implements fmt.Stringer interface. @@ -104,6 +107,16 @@ func (s *Schema) IsUniqueKey(col *Column) bool { return false } +// IsUnique checks if this column is a unique key which may contain duplicate nulls . +func (s *Schema) IsUnique(col *Column) bool { + for _, key := range s.UniqueKeys { + if len(key) == 1 && key[0].Equal(nil, col) { + return true + } + } + return false +} + // ColumnIndex finds the index for a column. func (s *Schema) ColumnIndex(col *Column) int { for i, c := range s.Columns { diff --git a/planner/core/physical_plan_test.go b/planner/core/physical_plan_test.go index 7fe637c1a8f5c..570c89182b433 100644 --- a/planner/core/physical_plan_test.go +++ b/planner/core/physical_plan_test.go @@ -445,6 +445,42 @@ func (s *testPlanSuite) TestAggEliminator(c *C) { } } +func (s *testPlanSuite) TestEliminateMaxOneRow(c *C) { + var ( + input []string + output []struct { + SQL string + Plan []string + Result []string + } + ) + s.testData.GetTestCases(c, &input, &output) + store, dom, err := newStoreWithBootstrap() + c.Assert(err, IsNil) + defer func() { + dom.Close() + store.Close() + }() + tk := testkit.NewTestKit(c, store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t1;") + tk.MustExec("drop table if exists t2;") + tk.MustExec("drop table if exists t3;") + tk.MustExec("create table t1(a int(11) DEFAULT NULL, b int(11) DEFAULT NULL, UNIQUE KEY idx_a (a))") + tk.MustExec("create table t2(a int(11) DEFAULT NULL, b int(11) DEFAULT NULL)") + tk.MustExec("create table t3(a int(11) DEFAULT NULL, b int(11) DEFAULT NULL, c int(11) DEFAULT NULL, UNIQUE KEY idx_abc (a, b, c))") + + for i, ts := range input { + s.testData.OnRecord(func() { + output[i].SQL = ts + output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + ts).Rows()) + output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(ts).Sort().Rows()) + }) + tk.MustQuery("explain " + ts).Check(testkit.Rows(output[i].Plan...)) + tk.MustQuery(ts).Check(testkit.Rows(output[i].Result...)) + } +} + type overrideStore struct{ kv.Storage } func (store overrideStore) GetClient() kv.Client { diff --git a/planner/core/rule_build_key_info.go b/planner/core/rule_build_key_info.go index c1a9edd48c24c..14a0e42936253 100644 --- a/planner/core/rule_build_key_info.go +++ b/planner/core/rule_build_key_info.go @@ -70,7 +70,7 @@ func (p *LogicalSelection) checkMaxOneRowCond(unique expression.Expression, cons if !ok { return false } - if !childSchema.IsUniqueKey(col) { + if !childSchema.IsUniqueKey(col) && !childSchema.IsUnique(col) { return false } _, okCon := constOrCorCol.(*expression.Constant) @@ -202,35 +202,43 @@ func (p *LogicalJoin) BuildKeyInfo(selfSchema *expression.Schema, childSchema [] } // checkIndexCanBeKey checks whether an Index can be a Key in schema. -func checkIndexCanBeKey(idx *model.IndexInfo, columns []*model.ColumnInfo, schema *expression.Schema) expression.KeyInfo { +func checkIndexCanBeKey(idx *model.IndexInfo, columns []*model.ColumnInfo, schema *expression.Schema) (uniqueKey, newKey expression.KeyInfo) { if !idx.Unique { - return nil + return nil, nil } - newKey := make([]*expression.Column, 0, len(idx.Columns)) - ok := true + newKeyOK := true + uniqueKeyOK := true for _, idxCol := range idx.Columns { // The columns of this index should all occur in column schema. // Since null value could be duplicate in unique key. So we check NotNull flag of every column. - find := false + findUniqueKey := false for i, col := range columns { if idxCol.Name.L == col.Name.L { - if !mysql.HasNotNullFlag(col.Flag) { + uniqueKey = append(uniqueKey, schema.Columns[i]) + findUniqueKey = true + if newKeyOK { + if !mysql.HasNotNullFlag(col.Flag) { + newKeyOK = false + break + } + newKey = append(newKey, schema.Columns[i]) break } - newKey = append(newKey, schema.Columns[i]) - find = true - break } } - if !find { - ok = false + if !findUniqueKey { + newKeyOK = false + uniqueKeyOK = false break } } - if ok { - return newKey + if newKeyOK { + return nil, newKey + } else if uniqueKeyOK { + return uniqueKey, nil } - return nil + + return nil, nil } // BuildKeyInfo implements LogicalPlan BuildKeyInfo interface. @@ -240,8 +248,10 @@ func (ds *DataSource) BuildKeyInfo(selfSchema *expression.Schema, childSchema [] if path.IsIntHandlePath { continue } - if newKey := checkIndexCanBeKey(path.Index, ds.Columns, selfSchema); newKey != nil { + if uniqueKey, newKey := checkIndexCanBeKey(path.Index, ds.Columns, selfSchema); newKey != nil { selfSchema.Keys = append(selfSchema.Keys, newKey) + } else if uniqueKey != nil { + selfSchema.UniqueKeys = append(selfSchema.UniqueKeys, uniqueKey) } } if ds.tableInfo.PKIsHandle { @@ -266,8 +276,10 @@ func (is *LogicalIndexScan) BuildKeyInfo(selfSchema *expression.Schema, childSch if path.IsTablePath() { continue } - if newKey := checkIndexCanBeKey(path.Index, is.Columns, selfSchema); newKey != nil { + if uniqueKey, newKey := checkIndexCanBeKey(path.Index, is.Columns, selfSchema); newKey != nil { selfSchema.Keys = append(selfSchema.Keys, newKey) + } else if uniqueKey != nil { + selfSchema.UniqueKeys = append(selfSchema.UniqueKeys, uniqueKey) } } handle := is.getPKIsHandleCol(selfSchema) diff --git a/planner/core/testdata/plan_suite_in.json b/planner/core/testdata/plan_suite_in.json index f2a2312152469..85d039dbedd7f 100644 --- a/planner/core/testdata/plan_suite_in.json +++ b/planner/core/testdata/plan_suite_in.json @@ -654,5 +654,13 @@ "select /*+nth_plan(2)*/ * from test.tt where a=1 and b=1;", "select * from test.tt where a=1 and b=1" ] + }, + { + "name": "TestEliminateMaxOneRow", + "cases": [ + "select a from t2 where t2.a < (select t1.a from t1 where t1.a = t2.a);", + "select a from t2 where t2.a < (select t1.a from t1 where t1.b = t2.b and t1.a is null);", + "select a from t2 where t2.a < (select t3.a from t3 where t3.a = t2.a);" + ] } ] diff --git a/planner/core/testdata/plan_suite_out.json b/planner/core/testdata/plan_suite_out.json index f0b2a3e652a02..396c643699306 100644 --- a/planner/core/testdata/plan_suite_out.json +++ b/planner/core/testdata/plan_suite_out.json @@ -2172,5 +2172,52 @@ ] } ] + }, + { + "Name": "TestEliminateMaxOneRow", + "Cases": [ + { + "SQL": "select a from t2 where t2.a < (select t1.a from t1 where t1.a = t2.a);", + "Plan": [ + "HashJoin_21 9990.00 root inner join, equal:[eq(test.t2.a, test.t1.a)], other cond:lt(test.t2.a, test.t1.a)", + "├─IndexReader_28(Build) 7992.00 root index:Selection_27", + "│ └─Selection_27 7992.00 cop[tikv] lt(test.t1.a, test.t1.a)", + "│ └─IndexFullScan_26 9990.00 cop[tikv] table:t1, index:idx_a(a) keep order:false, stats:pseudo", + "└─TableReader_25(Probe) 7992.00 root data:Selection_24", + " └─Selection_24 7992.00 cop[tikv] lt(test.t2.a, test.t2.a), not(isnull(test.t2.a))", + " └─TableFullScan_23 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select a from t2 where t2.a < (select t1.a from t1 where t1.b = t2.b and t1.a is null);", + "Plan": [ + "Projection_10 9990.00 root test.t2.a", + "└─Apply_12 9990.00 root CARTESIAN inner join, other cond:lt(test.t2.a, test.t1.a)", + " ├─TableReader_15(Build) 9990.00 root data:Selection_14", + " │ └─Selection_14 9990.00 cop[tikv] not(isnull(test.t2.a))", + " │ └─TableFullScan_13 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─Selection_16(Probe) 0.80 root not(isnull(test.t1.a))", + " └─MaxOneRow_17 1.00 root ", + " └─IndexLookUp_24 0.00 root ", + " ├─IndexRangeScan_21(Build) 1.00 cop[tikv] table:t1, index:idx_a(a) range:[NULL,NULL], keep order:false, stats:pseudo", + " └─Selection_23(Probe) 0.00 cop[tikv] eq(test.t1.b, test.t2.b)", + " └─TableRowIDScan_22 1.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select a from t2 where t2.a < (select t3.a from t3 where t3.a = t2.a);", + "Plan": [ + "Projection_10 9990.00 root test.t2.a", + "└─Apply_12 9990.00 root CARTESIAN inner join, other cond:lt(test.t2.a, test.t3.a)", + " ├─TableReader_15(Build) 9990.00 root data:Selection_14", + " │ └─Selection_14 9990.00 cop[tikv] not(isnull(test.t2.a))", + " │ └─TableFullScan_13 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─Selection_16(Probe) 0.80 root not(isnull(test.t3.a))", + " └─MaxOneRow_17 1.00 root ", + " └─IndexReader_19 2.00 root index:IndexRangeScan_18", + " └─IndexRangeScan_18 2.00 cop[tikv] table:t3, index:idx_abc(a, b, c) range: decided by [eq(test.t3.a, test.t2.a)], keep order:false, stats:pseudo" + ] + } + ] } ] From 67f78d037f9c65748480484a2f2a6a51d5e5308e Mon Sep 17 00:00:00 2001 From: djshow832 <873581766@qq.com> Date: Thu, 22 Oct 2020 17:22:03 +0800 Subject: [PATCH 0063/1021] ddl, store: Remove placement rules when the GC worker removes partitions (#20575) --- ddl/partition.go | 27 ++-------- ddl/placement/utils.go | 24 +++++++++ ddl/placement_rule_test.go | 4 +- store/tikv/gcworker/gc_worker.go | 71 +++++++++++++++++++++++++++ store/tikv/gcworker/gc_worker_test.go | 17 +++++++ 5 files changed, 117 insertions(+), 26 deletions(-) diff --git a/ddl/partition.go b/ddl/partition.go index 7311242cdfa29..e3169c44bd2ef 100644 --- a/ddl/partition.go +++ b/ddl/partition.go @@ -16,7 +16,6 @@ package ddl import ( "bytes" "context" - "encoding/hex" "fmt" "strconv" "strings" @@ -46,7 +45,6 @@ import ( "github.com/pingcap/tidb/types" tidbutil "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/chunk" - "github.com/pingcap/tidb/util/codec" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/sqlexec" "go.uber.org/zap" @@ -1019,19 +1017,13 @@ func getTableInfoWithDroppingPartitions(t *model.TableInfo) *model.TableInfo { return nt } -func buildPlacementDropBundle(partitionID int64) *placement.Bundle { - return &placement.Bundle{ - ID: placement.GroupID(partitionID), - } -} - func dropRuleBundles(d *ddlCtx, physicalTableIDs []int64) error { if d.infoHandle != nil { bundles := make([]*placement.Bundle, 0, len(physicalTableIDs)) for _, ID := range physicalTableIDs { oldBundle, ok := d.infoHandle.Get().BundleByName(placement.GroupID(ID)) if ok && !oldBundle.IsEmpty() { - bundles = append(bundles, buildPlacementDropBundle(ID)) + bundles = append(bundles, placement.BuildPlacementDropBundle(ID)) } } err := infosync.PutRuleBundles(nil, bundles) @@ -1154,19 +1146,6 @@ func (w *worker) onDropTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) ( return ver, errors.Trace(err) } -func buildPlacementTruncateBundle(oldBundle *placement.Bundle, newID int64) *placement.Bundle { - newBundle := oldBundle.Clone() - newBundle.ID = placement.GroupID(newID) - startKey := hex.EncodeToString(codec.EncodeBytes(nil, tablecodec.GenTablePrefix(newID))) - endKey := hex.EncodeToString(codec.EncodeBytes(nil, tablecodec.GenTablePrefix(newID+1))) - for _, rule := range newBundle.Rules { - rule.GroupID = newBundle.ID - rule.StartKeyHex = startKey - rule.EndKeyHex = endKey - } - return newBundle -} - // onTruncateTablePartition truncates old partition meta. func onTruncateTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) (int64, error) { var ver int64 @@ -1226,8 +1205,8 @@ func onTruncateTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) (int64, e for i, oldID := range oldIDs { oldBundle, ok := d.infoHandle.Get().BundleByName(placement.GroupID(oldID)) if ok && !oldBundle.IsEmpty() { - bundles = append(bundles, buildPlacementDropBundle(oldID)) - bundles = append(bundles, buildPlacementTruncateBundle(oldBundle, newPartitions[i].ID)) + bundles = append(bundles, placement.BuildPlacementDropBundle(oldID)) + bundles = append(bundles, placement.BuildPlacementTruncateBundle(oldBundle, newPartitions[i].ID)) } } diff --git a/ddl/placement/utils.go b/ddl/placement/utils.go index 87c4a37a4e4f9..4805723b6cdc9 100644 --- a/ddl/placement/utils.go +++ b/ddl/placement/utils.go @@ -14,10 +14,13 @@ package placement import ( + "encoding/hex" "fmt" "strings" "github.com/pingcap/errors" + "github.com/pingcap/tidb/tablecodec" + "github.com/pingcap/tidb/util/codec" ) func checkLabelConstraint(label string) (LabelConstraint, error) { @@ -75,3 +78,24 @@ func CheckLabelConstraints(labels []string) ([]LabelConstraint, error) { func GroupID(id int64) string { return fmt.Sprintf("TIDB_DDL_%d", id) } + +// BuildPlacementDropBundle builds the bundle to drop placement rules. +func BuildPlacementDropBundle(partitionID int64) *Bundle { + return &Bundle{ + ID: GroupID(partitionID), + } +} + +// BuildPlacementTruncateBundle builds the bundle to copy placement rules from old id to new id. +func BuildPlacementTruncateBundle(oldBundle *Bundle, newID int64) *Bundle { + newBundle := oldBundle.Clone() + newBundle.ID = GroupID(newID) + startKey := hex.EncodeToString(codec.EncodeBytes(nil, tablecodec.GenTablePrefix(newID))) + endKey := hex.EncodeToString(codec.EncodeBytes(nil, tablecodec.GenTablePrefix(newID+1))) + for _, rule := range newBundle.Rules { + rule.GroupID = newBundle.ID + rule.StartKeyHex = startKey + rule.EndKeyHex = endKey + } + return newBundle +} diff --git a/ddl/placement_rule_test.go b/ddl/placement_rule_test.go index 9e6f61d005dcd..a23a514b41577 100644 --- a/ddl/placement_rule_test.go +++ b/ddl/placement_rule_test.go @@ -261,7 +261,7 @@ func (s *testPlacementSuite) TestPlacementBuildDrop(c *C) { }, } for _, t := range tests { - out := buildPlacementDropBundle(t.input) + out := placement.BuildPlacementDropBundle(t.input) c.Assert(t.output, DeepEquals, out) } } @@ -300,7 +300,7 @@ func (s *testPlacementSuite) TestPlacementBuildTruncate(c *C) { }, } for _, t := range tests { - out := buildPlacementTruncateBundle(bundle, t.input) + out := placement.BuildPlacementTruncateBundle(bundle, t.input) c.Assert(t.output, DeepEquals, out) c.Assert(bundle.ID, Equals, placement.GroupID(-1)) c.Assert(bundle.Rules, HasLen, 1) diff --git a/store/tikv/gcworker/gc_worker.go b/store/tikv/gcworker/gc_worker.go index ad4b761d04614..10f2a2c0c6674 100644 --- a/store/tikv/gcworker/gc_worker.go +++ b/store/tikv/gcworker/gc_worker.go @@ -17,6 +17,7 @@ import ( "bytes" "container/heap" "context" + "encoding/json" "fmt" "math" "os" @@ -31,10 +32,13 @@ import ( "github.com/pingcap/kvproto/pkg/errorpb" "github.com/pingcap/kvproto/pkg/kvrpcpb" "github.com/pingcap/kvproto/pkg/metapb" + "github.com/pingcap/parser/model" "github.com/pingcap/parser/terror" + "github.com/pingcap/tidb/ddl/placement" "github.com/pingcap/tidb/ddl/util" "github.com/pingcap/tidb/domain/infosync" "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/meta" "github.com/pingcap/tidb/metrics" "github.com/pingcap/tidb/privilege" "github.com/pingcap/tidb/session" @@ -43,6 +47,7 @@ import ( "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/store/tikv/tikvrpc" tidbutil "github.com/pingcap/tidb/util" + "github.com/pingcap/tidb/util/admin" "github.com/pingcap/tidb/util/logutil" pd "github.com/tikv/pd/client" "go.uber.org/zap" @@ -655,6 +660,17 @@ func (w *GCWorker) deleteRanges(ctx context.Context, safePoint uint64, concurren zap.Error(err)) metrics.GCUnsafeDestroyRangeFailuresCounterVec.WithLabelValues("save").Inc() } + + pid, err := w.doGCPlacementRules(r) + if err != nil { + logutil.Logger(ctx).Error("[gc worker] gc placement rules failed on range", + zap.String("uuid", w.uuid), + zap.Int64("jobID", r.JobID), + zap.Int64("elementID", r.ElementID), + zap.Int64("pid", pid), + zap.Error(err)) + continue + } } logutil.Logger(ctx).Info("[gc worker] finish delete ranges", zap.String("uuid", w.uuid), @@ -1773,6 +1789,61 @@ func (w *GCWorker) saveValueToSysTable(key, value string) error { return errors.Trace(err) } +// GC placement rules when the partitions are removed by the GC worker. +// Placement rules cannot be removed immediately after drop table / truncate table, +// because the tables can be flashed back or recovered. +func (w *GCWorker) doGCPlacementRules(dr util.DelRangeTask) (pid int64, err error) { + // Get the job from the job history + var historyJob *model.Job + failpoint.Inject("mockHistoryJobForGC", func(v failpoint.Value) { + args, err1 := json.Marshal([]interface{}{kv.Key{}, []int64{int64(v.(int))}}) + if err1 != nil { + return + } + historyJob = &model.Job{ + ID: dr.JobID, + Type: model.ActionDropTable, + RawArgs: args, + } + }) + if historyJob == nil { + err = kv.RunInNewTxn(w.store, false, func(txn kv.Transaction) error { + var err1 error + t := meta.NewMeta(txn) + historyJob, err1 = t.GetHistoryDDLJob(dr.JobID) + return err1 + }) + if err != nil { + return + } + if historyJob == nil { + return 0, admin.ErrDDLJobNotFound.GenWithStackByArgs(dr.JobID) + } + } + + // Get the partition ID from the job and DelRangeTask. + switch historyJob.Type { + case model.ActionDropTable, model.ActionTruncateTable: + var physicalTableIDs []int64 + var startKey kv.Key + if err = historyJob.DecodeArgs(&startKey, &physicalTableIDs); err != nil { + return + } + // If it's a partitioned table, then the element ID is the partition ID. + if len(physicalTableIDs) > 0 { + pid = dr.ElementID + } + } + // Not drop table / truncate table or not a partitioned table, no need to GC placement rules. + if pid == 0 { + return + } + // Notify PD to drop the placement rules, even if there may be no placement rules. + bundles := []*placement.Bundle{placement.BuildPlacementDropBundle(pid)} + err = infosync.PutRuleBundles(nil, bundles) + return +} + // RunGCJob sends GC command to KV. It is exported for kv api, do not use it with GCWorker at the same time. func RunGCJob(ctx context.Context, s tikv.Storage, pd pd.Client, safePoint uint64, identifier string, concurrency int) error { gcWorker := &GCWorker{ diff --git a/store/tikv/gcworker/gc_worker_test.go b/store/tikv/gcworker/gc_worker_test.go index b8fb124316a37..4d010570839b1 100644 --- a/store/tikv/gcworker/gc_worker_test.go +++ b/store/tikv/gcworker/gc_worker_test.go @@ -544,6 +544,11 @@ const ( ) func (s *testGCWorkerSuite) testDeleteRangesFailureImpl(c *C, failType int) { + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/gcworker/mockHistoryJobForGC", "return(1)"), IsNil) + defer func() { + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/gcworker/mockHistoryJobForGC"), IsNil) + }() + // Put some delete range tasks. se := createSession(s.gcWorker.store) defer se.Close() @@ -1469,3 +1474,15 @@ func (s *testGCWorkerSuite) TestPhyscailScanLockDeadlock(c *C) { c.Fatal("physicalScanAndResolveLocks blocks") } } + +func (s *testGCWorkerSuite) TestGCPlacementRules(c *C) { + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/gcworker/mockHistoryJobForGC", "return(1)"), IsNil) + defer func() { + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/gcworker/mockHistoryJobForGC"), IsNil) + }() + + dr := util.DelRangeTask{JobID: 1, ElementID: 1} + pid, err := s.gcWorker.doGCPlacementRules(dr) + c.Assert(pid, Equals, int64(1)) + c.Assert(err, IsNil) +} From 45b65d16eb3f51f6b9a2a0790b3b743dcf8b154f Mon Sep 17 00:00:00 2001 From: xhe Date: Thu, 22 Oct 2020 19:54:23 +0800 Subject: [PATCH 0064/1021] ddl: update rule cache incrementally/pass arguments by ctxvars (#20361) --- ddl/ddl_worker.go | 27 +++++++++++++++++++++------ ddl/partition.go | 10 +++++++++- infoschema/builder.go | 35 ++++++++++++++++++++++++++++------- 3 files changed, 58 insertions(+), 14 deletions(-) diff --git a/ddl/ddl_worker.go b/ddl/ddl_worker.go index 38531ea7fbc0b..d09170a89bbb7 100644 --- a/ddl/ddl_worker.go +++ b/ddl/ddl_worker.go @@ -869,21 +869,36 @@ func updateSchemaVersion(t *meta.Meta, job *model.Job) (int64, error) { } diff.AffectedOpts = affects case model.ActionTruncateTablePartition: - var oldIDs []int64 - err = job.DecodeArgs(&oldIDs) - if err != nil { - return 0, errors.Trace(err) - } + oldIDs := job.CtxVars[0].([]int64) + newIDs := job.CtxVars[1].([]int64) diff.TableID = job.TableID affects := make([]*model.AffectedOption, len(oldIDs)) for i := 0; i < len(oldIDs); i++ { affects[i] = &model.AffectedOption{ SchemaID: job.SchemaID, - TableID: oldIDs[i], + TableID: newIDs[i], OldTableID: oldIDs[i], } } diff.AffectedOpts = affects + case model.ActionDropTablePartition: + // affects are used to update placement rule cache + diff.TableID = job.TableID + if len(job.CtxVars) > 0 { + if oldIDs, ok := job.CtxVars[0].([]int64); ok { + affects := make([]*model.AffectedOption, len(oldIDs)) + for i := 0; i < len(oldIDs); i++ { + affects[i] = &model.AffectedOption{ + SchemaID: job.SchemaID, + TableID: oldIDs[i], + OldTableID: oldIDs[i], + } + } + diff.AffectedOpts = affects + } + } + case model.ActionAlterTableAlterPartition: + diff.TableID = job.CtxVars[0].(int64) default: diff.TableID = job.TableID } diff --git a/ddl/partition.go b/ddl/partition.go index e3169c44bd2ef..3537f4f9be4bd 100644 --- a/ddl/partition.go +++ b/ddl/partition.go @@ -1133,6 +1133,8 @@ func (w *worker) onDropTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) ( w.reorgCtx.cleanNotifyReorgCancel() } tblInfo.Partition.DroppingDefinitions = nil + // used by ApplyDiff in updateSchemaVersion + job.CtxVars = []interface{}{physicalTableIDs} ver, err = updateVersionAndTableInfo(t, job, tblInfo, true) if err != nil { return ver, errors.Trace(err) @@ -1164,6 +1166,7 @@ func onTruncateTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) (int64, e } newPartitions := make([]model.PartitionDefinition, 0, len(oldIDs)) + newIDs := make([]int64, 0, len(oldIDs)) for _, oldID := range oldIDs { for i := 0; i < len(pi.Definitions); i++ { def := &pi.Definitions[i] @@ -1175,6 +1178,7 @@ func onTruncateTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) (int64, e def.ID = pid // Shallow copy only use the def.ID in event handle. newPartitions = append(newPartitions, *def) + newIDs = append(newIDs, pid) break } } @@ -1206,7 +1210,7 @@ func onTruncateTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) (int64, e oldBundle, ok := d.infoHandle.Get().BundleByName(placement.GroupID(oldID)) if ok && !oldBundle.IsEmpty() { bundles = append(bundles, placement.BuildPlacementDropBundle(oldID)) - bundles = append(bundles, placement.BuildPlacementTruncateBundle(oldBundle, newPartitions[i].ID)) + bundles = append(bundles, placement.BuildPlacementTruncateBundle(oldBundle, newIDs[i])) } } @@ -1217,6 +1221,8 @@ func onTruncateTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) (int64, e } } + // used by ApplyDiff in updateSchemaVersion + job.CtxVars = []interface{}{oldIDs, newIDs} ver, err = updateVersionAndTableInfo(t, job, tblInfo, true) if err != nil { return ver, errors.Trace(err) @@ -1732,6 +1738,8 @@ func onAlterTablePartition(t *meta.Meta, job *model.Job) (int64, error) { return 0, errors.Wrapf(err, "failed to notify PD the placement rules") } + // used by ApplyDiff in updateSchemaVersion + job.CtxVars = []interface{}{partitionID} ver, err := updateSchemaVersion(t, job) if err != nil { return ver, errors.Trace(err) diff --git a/infoschema/builder.go b/infoschema/builder.go index deff4979a8b21..4573d1ee2a01e 100644 --- a/infoschema/builder.go +++ b/infoschema/builder.go @@ -50,6 +50,9 @@ func (b *Builder) ApplyDiff(m *meta.Meta, diff *model.SchemaDiff) ([]int64, erro return tblIDs, nil case model.ActionModifySchemaCharsetAndCollate: return nil, b.applyModifySchemaCharsetAndCollate(m, diff) + case model.ActionAlterTableAlterPartition: + // there is no need to udpate table schema + return nil, b.applyPlacementUpdate(placement.GroupID(diff.TableID)) } roDBInfo, ok := b.is.SchemaByID(diff.SchemaID) if !ok { @@ -122,8 +125,17 @@ func (b *Builder) ApplyDiff(m *meta.Meta, diff *model.SchemaDiff) ([]int64, erro // Reduce the impact on DML when executing partition DDL. eg. // While session 1 performs the DML operation associated with partition 1, // the TRUNCATE operation of session 2 on partition 2 does not cause the operation of session 1 to fail. - if diff.Type == model.ActionTruncateTablePartition { + switch diff.Type { + case model.ActionTruncateTablePartition: tblIDs = append(tblIDs, opt.OldTableID) + b.applyPlacementDelete(placement.GroupID(opt.OldTableID)) + err := b.applyPlacementUpdate(placement.GroupID(opt.TableID)) + if err != nil { + return nil, errors.Trace(err) + } + continue + case model.ActionDropTablePartition: + b.applyPlacementDelete(placement.GroupID(opt.OldTableID)) continue } var err error @@ -271,12 +283,17 @@ func (b *Builder) applyCreateTable(m *meta.Meta, dbInfo *model.DBInfo, tableID i ) } - pi := tblInfo.GetPartitionInfo() - if pi != nil { - for _, partition := range pi.Definitions { - err = b.applyPlacementUpdate(placement.GroupID(partition.ID)) - if err != nil { - return nil, err + switch tp { + case model.ActionDropTablePartition: + case model.ActionTruncateTablePartition: + default: + pi := tblInfo.GetPartitionInfo() + if pi != nil { + for _, partition := range pi.Definitions { + err = b.applyPlacementUpdate(placement.GroupID(partition.ID)) + if err != nil { + return nil, err + } } } } @@ -389,6 +406,10 @@ func (b *Builder) applyDropTable(dbInfo *model.DBInfo, tableID int64, affected [ return affected } +func (b *Builder) applyPlacementDelete(id string) { + delete(b.is.ruleBundleMap, id) +} + func (b *Builder) applyPlacementUpdate(id string) error { bundle, err := infosync.GetRuleBundle(nil, id) if err != nil { From b9ef68e0bd0f05c60016da7b523000aa6fe1809d Mon Sep 17 00:00:00 2001 From: crazycs Date: Fri, 23 Oct 2020 09:41:58 +0800 Subject: [PATCH 0065/1021] infoschema: resolve loopback address of node (#20546) Signed-off-by: crazycs520 --- infoschema/tables.go | 32 ++++++++++++++++++++++++++++++++ infoschema/tables_test.go | 18 ++++++++++++++++++ 2 files changed, 50 insertions(+) diff --git a/infoschema/tables.go b/infoschema/tables.go index 70966c1dbdb10..811e9ecbbfc3f 100644 --- a/infoschema/tables.go +++ b/infoschema/tables.go @@ -18,6 +18,7 @@ import ( "encoding/json" "fmt" "io/ioutil" + "net" "net/http" "sort" "strconv" @@ -1291,6 +1292,34 @@ type ServerInfo struct { StartTimestamp int64 } +func (s *ServerInfo) isLoopBackOrUnspecifiedAddr(addr string) bool { + tcpAddr, err := net.ResolveTCPAddr("", addr) + if err != nil { + return false + } + ip := net.ParseIP(tcpAddr.IP.String()) + return ip != nil && (ip.IsUnspecified() || ip.IsLoopback()) +} + +// ResolveLoopBackAddr exports for testing. +func (s *ServerInfo) ResolveLoopBackAddr() { + if s.isLoopBackOrUnspecifiedAddr(s.Address) && !s.isLoopBackOrUnspecifiedAddr(s.StatusAddr) { + addr, err1 := net.ResolveTCPAddr("", s.Address) + statusAddr, err2 := net.ResolveTCPAddr("", s.StatusAddr) + if err1 == nil && err2 == nil { + addr.IP = statusAddr.IP + s.Address = addr.String() + } + } else if !s.isLoopBackOrUnspecifiedAddr(s.Address) && s.isLoopBackOrUnspecifiedAddr(s.StatusAddr) { + addr, err1 := net.ResolveTCPAddr("", s.Address) + statusAddr, err2 := net.ResolveTCPAddr("", s.StatusAddr) + if err1 == nil && err2 == nil { + statusAddr.IP = addr.IP + s.StatusAddr = statusAddr.String() + } + } +} + // GetClusterServerInfo returns all components information of cluster func GetClusterServerInfo(ctx sessionctx.Context) ([]ServerInfo, error) { failpoint.Inject("mockClusterInfo", func(val failpoint.Value) { @@ -1319,6 +1348,9 @@ func GetClusterServerInfo(ctx sessionctx.Context) ([]ServerInfo, error) { if err != nil { return nil, err } + for i := range nodes { + nodes[i].ResolveLoopBackAddr() + } servers = append(servers, nodes...) } return servers, nil diff --git a/infoschema/tables_test.go b/infoschema/tables_test.go index 11970090d8f75..8679ab29b847d 100644 --- a/infoschema/tables_test.go +++ b/infoschema/tables_test.go @@ -1348,3 +1348,21 @@ func (s *testTableSuite) TestPerformanceSchemaforPlanCache(c *C) { tk.MustQuery("select plan_cache_hits, plan_in_cache from information_schema.statements_summary where digest_text='select * from t'").Check( testkit.Rows("3 1")) } + +func (s *testTableSuite) TestServerInfoResolveLoopBackAddr(c *C) { + nodes := []infoschema.ServerInfo{ + {Address: "127.0.0.1:4000", StatusAddr: "192.168.130.22:10080"}, + {Address: "0.0.0.0:4000", StatusAddr: "192.168.130.22:10080"}, + {Address: "localhost:4000", StatusAddr: "192.168.130.22:10080"}, + {Address: "192.168.130.22:4000", StatusAddr: "0.0.0.0:10080"}, + {Address: "192.168.130.22:4000", StatusAddr: "127.0.0.1:10080"}, + {Address: "192.168.130.22:4000", StatusAddr: "localhost:10080"}, + } + for i := range nodes { + nodes[i].ResolveLoopBackAddr() + } + for _, n := range nodes { + c.Assert(n.Address, Equals, "192.168.130.22:4000") + c.Assert(n.StatusAddr, Equals, "192.168.130.22:10080") + } +} From c5c3053c31b0fcf1d5d604d7b38554f0c1f6df20 Mon Sep 17 00:00:00 2001 From: Arenatlx Date: Fri, 23 Oct 2020 11:11:25 +0800 Subject: [PATCH 0066/1021] ddl: support column type change from integer to other types (#20536) Signed-off-by: AilinKid <314806019@qq.com> --- ddl/column.go | 4 + ddl/column_type_change_test.go | 155 +++++++++++++++++++++++++++++++++ ddl/db_integration_test.go | 6 +- ddl/ddl_api.go | 10 ++- util/rowDecoder/decoder.go | 9 +- 5 files changed, 179 insertions(+), 5 deletions(-) diff --git a/ddl/column.go b/ddl/column.go index 997d5958b4c11..1c6d1bbcd8d80 100644 --- a/ddl/column.go +++ b/ddl/column.go @@ -668,6 +668,10 @@ func needChangeColumnData(oldCol, newCol *model.ColumnInfo) bool { } } + if mysql.IsIntegerType(oldCol.Tp) && !mysql.IsIntegerType(newCol.Tp) { + return true + } + if newCol.Flen > 0 && newCol.Flen < oldCol.Flen || toUnsigned != originUnsigned { return true } diff --git a/ddl/column_type_change_test.go b/ddl/column_type_change_test.go index cd78764d2daff..0a6405cecebbc 100644 --- a/ddl/column_type_change_test.go +++ b/ddl/column_type_change_test.go @@ -289,3 +289,158 @@ func init() { mockTerrorMap[model.StateWriteOnly.String()] = dbterror.ClassDDL.New(1, "MockRollingBackInCallBack-"+model.StateWriteOnly.String()) mockTerrorMap[model.StateWriteReorganization.String()] = dbterror.ClassDDL.New(1, "MockRollingBackInCallBack-"+model.StateWriteReorganization.String()) } + +func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromIntegerToOthers(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + // Enable column change variable. + tk.Se.GetSessionVars().EnableChangeColumnType = true + defer func() { + tk.Se.GetSessionVars().EnableChangeColumnType = false + }() + + prepare := func(tk *testkit.TestKit) { + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a tinyint, b smallint, c mediumint, d int, e bigint, f bigint)") + tk.MustExec("insert into t values(1, 11, 111, 1111, 11111, 111111)") + } + prepareForEnumSet := func(tk *testkit.TestKit) { + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a tinyint, b smallint, c mediumint, d int, e bigint)") + tk.MustExec("insert into t values(1, 1, 1, 11111, 11111)") + } + + // integer to string + prepare(tk) + tk.MustExec("alter table t modify a varchar(10)") + modifiedColumn := getModifyColumn(c, tk.Se, "test", "t", "a", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeVarchar) + tk.MustQuery("select a from t").Check(testkit.Rows("1")) + + tk.MustExec("alter table t modify b char(10)") + modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "b", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeString) + tk.MustQuery("select b from t").Check(testkit.Rows("11")) + + tk.MustExec("alter table t modify c binary(10)") + modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "c", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeString) + tk.MustQuery("select c from t").Check(testkit.Rows("111\x00\x00\x00\x00\x00\x00\x00")) + + tk.MustExec("alter table t modify d varbinary(10)") + modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "d", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeVarchar) + tk.MustQuery("select d from t").Check(testkit.Rows("1111")) + + tk.MustExec("alter table t modify e blob(10)") + modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "e", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeBlob) + tk.MustQuery("select e from t").Check(testkit.Rows("11111")) + + tk.MustExec("alter table t modify f text(10)") + modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "f", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeBlob) + tk.MustQuery("select f from t").Check(testkit.Rows("111111")) + + // integer to decimal + prepare(tk) + tk.MustExec("alter table t modify a decimal(2,1)") + modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "a", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeNewDecimal) + tk.MustQuery("select a from t").Check(testkit.Rows("1.0")) + + // integer to year + // For year(2), MySQL converts values in the ranges '0' to '69' and '70' to '99' to YEAR values in the ranges 2000 to 2069 and 1970 to 1999. + tk.MustExec("alter table t modify b year") + modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "b", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeYear) + tk.MustQuery("select b from t").Check(testkit.Rows("2011")) + + // integer to time + tk.MustExec("alter table t modify c time") + modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "c", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeDuration) // mysql.TypeTime has rename to TypeDuration. + tk.MustQuery("select c from t").Check(testkit.Rows("00:01:11")) + + // integer to date (mysql will throw `Incorrect date value: '1111' for column 'd' at row 1` error) + tk.MustExec("alter table t modify d date") + modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "d", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeDate) + tk.MustQuery("select d from t").Check(testkit.Rows("2000-11-11")) // the given number will be left-forward used. + + // integer to timestamp (according to what timezone you have set) + tk.MustExec("alter table t modify e timestamp") + tk.MustExec("set @@session.time_zone=UTC") + modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "e", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeTimestamp) + tk.MustQuery("select e from t").Check(testkit.Rows("2001-11-11 00:00:00")) // the given number will be left-forward used. + + // integer to datetime + tk.MustExec("alter table t modify f datetime") + modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "f", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeDatetime) + tk.MustQuery("select f from t").Check(testkit.Rows("2011-11-11 00:00:00")) // the given number will be left-forward used. + + // integer to floating-point values + prepare(tk) + tk.MustExec("alter table t modify a float") + modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "a", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeFloat) + tk.MustQuery("select a from t").Check(testkit.Rows("1")) + + tk.MustExec("alter table t modify b double") + modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "b", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeDouble) + tk.MustQuery("select b from t").Check(testkit.Rows("11")) + + // integer to bit + tk.MustExec("alter table t modify c bit(10)") + modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "c", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeBit) + // 111 will be stored ad 0x00,0110,1111 = 0x6F, which will be shown as ASCII('o')=111 as well. + tk.MustQuery("select c from t").Check(testkit.Rows("\x00o")) + + // integer to json + tk.MustExec("alter table t modify d json") + modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "d", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeJSON) + tk.MustQuery("select d from t").Check(testkit.Rows("1111")) + + // integer to enum + prepareForEnumSet(tk) + // TiDB take integer as the enum element offset to cast. + tk.MustExec("alter table t modify a enum(\"a\", \"b\")") + modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "a", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeEnum) + tk.MustQuery("select a from t").Check(testkit.Rows("a")) + + // TiDB take integer as the set element offset to cast. + tk.MustExec("alter table t modify b set(\"a\", \"b\")") + modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "b", false) + c.Assert(modifiedColumn, NotNil) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeSet) + tk.MustQuery("select b from t").Check(testkit.Rows("a")) + + // TiDB can't take integer as the enum element string to cast, while the MySQL can. + tk.MustGetErrCode("alter table t modify d enum(\"11111\", \"22222\")", mysql.WarnDataTruncated) + + // TiDB can't take integer as the set element string to cast, while the MySQL can. + tk.MustGetErrCode("alter table t modify e set(\"11111\", \"22222\")", mysql.WarnDataTruncated) +} diff --git a/ddl/db_integration_test.go b/ddl/db_integration_test.go index fa2392d271c5c..e6ed8c6dbac73 100644 --- a/ddl/db_integration_test.go +++ b/ddl/db_integration_test.go @@ -947,11 +947,11 @@ func (s *testIntegrationSuite5) TestModifyColumnOption(c *C) { tk.MustExec("create table t2 (b char, c int)") assertErrCode("alter table t2 modify column c int references t1(a)", errMsg) _, err := tk.Exec("alter table t1 change a a varchar(16)") - c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: type varchar(16) not match origin int(11)") + c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: type varchar(16) not match origin int(11), and tidb_enable_change_column_type is false") _, err = tk.Exec("alter table t1 change a a varchar(10)") - c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: type varchar(10) not match origin int(11)") + c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: type varchar(10) not match origin int(11), and tidb_enable_change_column_type is false") _, err = tk.Exec("alter table t1 change a a datetime") - c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: type datetime not match origin int(11)") + c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: type datetime not match origin int(11), and tidb_enable_change_column_type is false") _, err = tk.Exec("alter table t1 change a a int(11) unsigned") c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: can't change unsigned integer to signed or vice versa, and tidb_enable_change_column_type is false") _, err = tk.Exec("alter table t2 change b b int(11) unsigned") diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 193c63d73932f..9d92382c45568 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -3354,10 +3354,12 @@ func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (al case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: switch to.Tp { case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: + // Changing integer to integer, whether reorg is necessary is depend on the flen/decimal/signed. skipSignCheck = true skipLenCheck = true default: - return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) + // Changing integer to other types, reorg is absolutely necessary. + return unsupportedMsg, errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) } case mysql.TypeEnum, mysql.TypeSet: var typeVar string @@ -3477,6 +3479,7 @@ func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (al // It returns error if the two types has incompatible charset and collation, different sign, different // digital/string types, or length of new Flen and Decimal is less than origin. func checkModifyTypes(ctx sessionctx.Context, origin *types.FieldType, to *types.FieldType, needRewriteCollationData bool) error { + var needReorg bool changeColumnValueMsg, err := CheckModifyTypeCompatible(origin, to) if err != nil { enableChangeColumnType := ctx.GetSessionVars().EnableChangeColumnType @@ -3491,9 +3494,14 @@ func checkModifyTypes(ctx sessionctx.Context, origin *types.FieldType, to *types msg := "tidb_enable_change_column_type is true and this column has primary key flag" return errUnsupportedModifyColumn.GenWithStackByArgs(msg) } + needReorg = true } err = checkModifyCharsetAndCollation(to.Charset, to.Collate, origin.Charset, origin.Collate, needRewriteCollationData) + // column type change can handle the charset change between these two types in the process of the reorg. + if err != nil && errUnsupportedModifyCharset.Equal(err) && needReorg { + return nil + } return errors.Trace(err) } diff --git a/util/rowDecoder/decoder.go b/util/rowDecoder/decoder.go index 7d502dca38c51..eae2b6bad0740 100644 --- a/util/rowDecoder/decoder.go +++ b/util/rowDecoder/decoder.go @@ -57,7 +57,14 @@ func NewRowDecoder(tbl table.Table, cols []*table.Column, decodeColMap map[int64 tps := make([]*types.FieldType, len(cols)) for _, col := range cols { - tps[col.Offset] = &col.FieldType + if col.ChangeStateInfo == nil { + tps[col.Offset] = &col.FieldType + } else { + // Since changing column in the mutRow will be set with relative column's old value in the process of column-type-change, + // we should set fieldType as the relative column does. Otherwise it may get a panic, take change json to int as an example, + // setting json value to a int type column in mutRow will panic because it lacks of offset array. + tps[col.Offset] = &cols[col.ChangeStateInfo.DependencyColumnOffset].FieldType + } } var pkCols []int64 switch { From 64698ef9a3358bfd0fdc323996bb7928a56cadca Mon Sep 17 00:00:00 2001 From: baishen Date: Thu, 22 Oct 2020 22:46:43 -0500 Subject: [PATCH 0067/1021] ddl: fix create table too many indexes (#20353) --- ddl/db_integration_test.go | 44 ++++++++++++++++++++++++++++++++++++++ ddl/ddl.go | 2 ++ ddl/ddl_api.go | 10 +++++++++ ddl/error.go | 1 + ddl/index.go | 4 ++++ 5 files changed, 61 insertions(+) diff --git a/ddl/db_integration_test.go b/ddl/db_integration_test.go index e6ed8c6dbac73..b10908a56dfb1 100644 --- a/ddl/db_integration_test.go +++ b/ddl/db_integration_test.go @@ -55,6 +55,7 @@ var _ = Suite(&testIntegrationSuite4{&testIntegrationSuite{}}) var _ = Suite(&testIntegrationSuite5{&testIntegrationSuite{}}) var _ = Suite(&testIntegrationSuite6{&testIntegrationSuite{}}) var _ = SerialSuites(&testIntegrationSuite7{&testIntegrationSuite{}}) +var _ = SerialSuites(&testIntegrationSuite8{&testIntegrationSuite{}}) type testIntegrationSuite struct { lease time.Duration @@ -123,6 +124,7 @@ type testIntegrationSuite4 struct{ *testIntegrationSuite } type testIntegrationSuite5 struct{ *testIntegrationSuite } type testIntegrationSuite6 struct{ *testIntegrationSuite } type testIntegrationSuite7 struct{ *testIntegrationSuite } +type testIntegrationSuite8 struct{ *testIntegrationSuite } func (s *testIntegrationSuite5) TestNoZeroDateMode(c *C) { tk := testkit.NewTestKit(c, s.store) @@ -1351,6 +1353,26 @@ func (s *testIntegrationSuite6) TestCreateTableTooLarge(c *C) { atomic.StoreUint32(&ddl.TableColumnCountLimit, originLimit) } +func (s *testIntegrationSuite8) TestCreateTableTooManyIndexes(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + + sql := "create table t_too_many_indexes (" + for i := 0; i < 100; i++ { + if i != 0 { + sql += "," + } + sql += fmt.Sprintf("c%d int", i) + } + for i := 0; i < 100; i++ { + sql += "," + sql += fmt.Sprintf("key k%d(c%d)", i, i) + } + sql += ");" + + tk.MustGetErrCode(sql, errno.ErrTooManyKeys) +} + func (s *testIntegrationSuite3) TestChangeColumnPosition(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") @@ -1460,6 +1482,28 @@ func (s *testIntegrationSuite6) TestAddColumnTooMany(c *C) { tk.MustGetErrCode(alterSQL, errno.ErrTooManyFields) } +func (s *testIntegrationSuite8) TestCreateTooManyIndexes(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + count := int(atomic.LoadUint32(&ddl.TableIndexCountLimit) - 1) + sql := "create table t_index_too_many (" + for i := 0; i < 100; i++ { + if i != 0 { + sql += "," + } + sql += fmt.Sprintf("c%d int", i) + } + for i := 0; i < count; i++ { + sql += "," + sql += fmt.Sprintf("key k%d(c%d)", i, i) + } + sql += ");" + tk.MustExec(sql) + tk.MustExec("create index idx1 on t_index_too_many (c62)") + alterSQL := "create index idx2 on t_index_too_many (c63)" + tk.MustGetErrCode(alterSQL, errno.ErrTooManyKeys) +} + func (s *testIntegrationSuite3) TestAlterColumn(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test_db") diff --git a/ddl/ddl.go b/ddl/ddl.go index 096437fd40f60..6d09b6908bee1 100644 --- a/ddl/ddl.go +++ b/ddl/ddl.go @@ -81,6 +81,8 @@ var ( // TableColumnCountLimit is limit of the number of columns in a table. // It's exported for testing. TableColumnCountLimit = uint32(512) + // TableIndexCountLimit is limit of the number of indexes in a table. + TableIndexCountLimit = uint32(64) // EnableSplitTableRegion is a flag to decide whether to split a new region for // a newly created table. It takes effect only if the Storage supports split // region. diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 9d92382c45568..26d7f4051db8e 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -1066,6 +1066,13 @@ func checkTooManyColumns(colDefs []*model.ColumnInfo) error { return nil } +func checkTooManyIndexes(idxDefs []*model.IndexInfo) error { + if uint32(len(idxDefs)) > atomic.LoadUint32(&TableIndexCountLimit) { + return errTooManyKeys.GenWithStackByArgs(TableIndexCountLimit) + } + return nil +} + // checkColumnsAttributes checks attributes for multiple columns. func checkColumnsAttributes(colDefs []*model.ColumnInfo) error { for _, colDef := range colDefs { @@ -1467,6 +1474,9 @@ func checkTableInfoValidExtra(tbInfo *model.TableInfo) error { if err := checkTooManyColumns(tbInfo.Columns); err != nil { return errors.Trace(err) } + if err := checkTooManyIndexes(tbInfo.Indices); err != nil { + return errors.Trace(err) + } if err := checkColumnsAttributes(tbInfo.Columns); err != nil { return errors.Trace(err) } diff --git a/ddl/error.go b/ddl/error.go index 89f3a2628ebc1..1b3ed1fbcb008 100644 --- a/ddl/error.go +++ b/ddl/error.go @@ -57,6 +57,7 @@ var ( errInvalidDDLJobVersion = dbterror.ClassDDL.NewStd(mysql.ErrInvalidDDLJobVersion) errInvalidUseOfNull = dbterror.ClassDDL.NewStd(mysql.ErrInvalidUseOfNull) errTooManyFields = dbterror.ClassDDL.NewStd(mysql.ErrTooManyFields) + errTooManyKeys = dbterror.ClassDDL.NewStd(mysql.ErrTooManyKeys) errInvalidSplitRegionRanges = dbterror.ClassDDL.NewStd(mysql.ErrInvalidSplitRegionRanges) errReorgPanic = dbterror.ClassDDL.NewStd(mysql.ErrReorgPanic) errFkColumnCannotDrop = dbterror.ClassDDL.NewStd(mysql.ErrFkColumnCannotDrop) diff --git a/ddl/index.go b/ddl/index.go index 9b06678bfc575..9221398651154 100644 --- a/ddl/index.go +++ b/ddl/index.go @@ -487,6 +487,10 @@ func (w *worker) onCreateIndex(d *ddlCtx, t *meta.Meta, job *model.Job, isPK boo indexInfo.ID = allocateIndexID(tblInfo) tblInfo.Indices = append(tblInfo.Indices, indexInfo) + if err = checkTooManyIndexes(tblInfo.Indices); err != nil { + job.State = model.JobStateCancelled + return ver, errors.Trace(err) + } // Here we need do this check before set state to `DeleteOnly`, // because if hidden columns has been set to `DeleteOnly`, // the `DeleteOnly` columns are missing when we do this check. From 70317615f368e35566c82c39729399bfe5f3f67a Mon Sep 17 00:00:00 2001 From: xufei Date: Fri, 23 Oct 2020 12:33:34 +0800 Subject: [PATCH 0068/1021] executor: TPCH q20 hangs forever when running in TiKV + TiFlash mode (#20600) --- sessionctx/stmtctx/stmtctx.go | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/sessionctx/stmtctx/stmtctx.go b/sessionctx/stmtctx/stmtctx.go index 335752b8d29c9..f89999712ebc0 100644 --- a/sessionctx/stmtctx/stmtctx.go +++ b/sessionctx/stmtctx/stmtctx.go @@ -491,6 +491,7 @@ func (sc *StatementContext) ResetForRetry() { // the information in slow query log. func (sc *StatementContext) MergeExecDetails(details *execdetails.ExecDetails, commitDetails *execdetails.CommitDetails) { sc.mu.Lock() + defer sc.mu.Unlock() if details != nil { sc.mu.execDetails.CopTime += details.CopTime sc.mu.execDetails.ProcessTime += details.ProcessTime @@ -501,11 +502,14 @@ func (sc *StatementContext) MergeExecDetails(details *execdetails.ExecDetails, c sc.mu.allExecDetails = append(sc.mu.allExecDetails, details) } sc.mu.execDetails.CommitDetail = commitDetails - sc.mu.Unlock() } // MergeCopDetails merges cop details into self. func (sc *StatementContext) MergeCopDetails(copDetails *execdetails.CopDetails) { + // Currently TiFlash cop task does not fill copDetails, so need to skip it if copDetails is nil + if copDetails == nil { + return + } if sc.mu.execDetails.CopDetail == nil { sc.mu.execDetails.CopDetail = copDetails } else { From 99d1163cbc8eaf49e3c1e21453443faa9c4ec8db Mon Sep 17 00:00:00 2001 From: rebelice Date: Fri, 23 Oct 2020 14:42:29 +0800 Subject: [PATCH 0069/1021] *: use ID instead of NAME in mysql.schema_index_usage (#20589) --- .../2020-09-30-index-usage-information.md | 38 +++++++++++++++---- executor/point_get.go | 4 +- planner/core/point_get_plan.go | 5 --- session/bootstrap.go | 7 ++-- session/session.go | 4 +- sessionctx/context.go | 2 +- statistics/handle/handle_test.go | 8 +++- statistics/handle/update.go | 26 +++++++------ util/mock/context.go | 2 +- 9 files changed, 60 insertions(+), 36 deletions(-) diff --git a/docs/design/2020-09-30-index-usage-information.md b/docs/design/2020-09-30-index-usage-information.md index eb4162afed881..0cef46f599aae 100644 --- a/docs/design/2020-09-30-index-usage-information.md +++ b/docs/design/2020-09-30-index-usage-information.md @@ -30,9 +30,8 @@ Design system tables to record index usage information. The system table is desi | Column name | Data type | Description | |--------------|-----------|-------------| -| TABLE_SCHEMA | varchar | Name of the database on which the table or view is defined.| -| TABLE_NAME | varchar | Name of the table or view on which the index is defined.| -| INDEX_NAME | varchar | Name of the index.| +| TABLE_ID | bigint | ID of the table or view on which the index is defined.| +| INDEX_ID | bigint | ID of the index.| | QUERY_COUNT | longlong | Number of the SQL using this index.| | ROWS_SELECTED| longlong | Number of rows read from the index. We can check the average fetched rows count of each query of the index through `ROWS_READ` / `QUERY_COUNT`.| | LAST_USED_AT | timestamp | The last time of the SQL using this index.| @@ -44,9 +43,8 @@ Design system tables to record index usage information. The system table is desi ```sql create table SCHEMA_INDEX_USAGE ( - TABLE_SCHEMA varchar(64), - TABLE_NAME varchar(64), - INDEX_NAME varchar(64), + TABLE_ID bigint(21), + INDEX_ID bigint(21), QUERY_COUNT BIGINT, ROUWS_SELECTED BIGINT, LAST_USED_AT timestamp, @@ -54,7 +52,7 @@ create table SCHEMA_INDEX_USAGE ( ); ``` -Because the max length of schema name, table name and index name is 64, so we use `varchar(64)`. The documentation is [here](https://dev.mysql.com/doc/refman/5.7/en/identifier-length.html). +According to the [TiDB Doc](https://docs.pingcap.com/zh/tidb/stable/information-schema-tidb-indexes#tidb_indexes), `INDEX_ID` should be `bigint(21)`. Similarly, [this doc](https://docs.pingcap.com/zh/tidb/stable/information-schema-tables#tables) tells us that `TABLE_ID` should be `bigint(21)`. #### Table update: @@ -90,6 +88,32 @@ on i.table_schema=u.table_schema and i.table_name=u.table_name and i.index_name= where u.query_count=0 or u.query_count is null; ``` +### INFORMATION_SCHEMA.SCHEMA_INDEX_USAGE + +We use `TABLE_ID` and `INDEX_ID` as ID `mysql.SCHEMA_INDEX_USAGE`. Because of `TABLE_ID` and `INDEX_ID` is not user-friendly, we need a more user-friendly view. +Columns of it: + +| Column name | Data type | Description | +|--------------|-----------|-------------| +| TABLE_SCHEMA | varchar | Name of the database on which the table or view is defined.| +| TABLE_NAME | varchar | Name of the table or view on which the index is defined.| +| INDEX_NAME | varchar | Name of the index.| +| QUERY_COUNT | longlong | Number of the SQL using this index.| +| ROWS_SELECTED| longlong | Number of rows read from the index. We can check the average fetched rows count of each query of the index through `ROWS_READ` / `QUERY_COUNT`.| +| LAST_USED_AT | timestamp | The last time of the SQL using this index.| + +#### View creation: + +```sql +create view information_schema.schema_index_usage +as select idx.table_schema as table_schema, idx.table_name as table_name, idx.key_name as index_name, stats.query_count as query_count, stats.rows_selected as rows_selected +from mysql.schema_index_usage as stats, information_schema.tidb_indexes as idx, information_schema.tables as tables +where tables.table_name = idx.table_schema + AND tables.table_name = idx.table_name + AND tables.tidb_table_id = stats.table_id + AND idx.index_id = stats.index_id +``` + ### FLUSH SCHEMA_INDEX_USAGE #### User story diff --git a/executor/point_get.go b/executor/point_get.go index da509dfa43986..6ba00bb7bc24c 100644 --- a/executor/point_get.go +++ b/executor/point_get.go @@ -63,7 +63,6 @@ func (b *executorBuilder) buildPointGet(p *plannercore.PointGetPlan) Executor { type PointGetExecutor struct { baseExecutor - dbName string tblInfo *model.TableInfo handle kv.Handle idxInfo *model.IndexInfo @@ -93,7 +92,6 @@ type PointGetExecutor struct { // Init set fields needed for PointGetExecutor reuse, this does NOT change baseExecutor field func (e *PointGetExecutor) Init(p *plannercore.PointGetPlan, startTs uint64) { decoder := NewRowDecoder(e.ctx, p.Schema(), p.TblInfo) - e.dbName = p.DBName() e.tblInfo = p.TblInfo e.handle = p.Handle e.idxInfo = p.IndexInfo @@ -161,7 +159,7 @@ func (e *PointGetExecutor) Close() error { if e.runtimeStats != nil { actRows = e.runtimeStats.GetActRows() } - e.ctx.StoreIndexUsage(e.dbName, e.tblInfo.Name.L, e.idxInfo.Name.L, actRows) + e.ctx.StoreIndexUsage(e.tblInfo.ID, e.idxInfo.ID, actRows) } e.done = false return nil diff --git a/planner/core/point_get_plan.go b/planner/core/point_get_plan.go index cd0c130839dd8..6a49a0c63e23a 100644 --- a/planner/core/point_get_plan.go +++ b/planner/core/point_get_plan.go @@ -74,11 +74,6 @@ type nameValuePair struct { param *driver.ParamMarkerExpr } -// DBName return the database name in PointGetPlan. -func (p *PointGetPlan) DBName() string { - return p.dbName -} - // Schema implements the Plan interface. func (p *PointGetPlan) Schema() *expression.Schema { return p.schema diff --git a/session/bootstrap.go b/session/bootstrap.go index bf76d208a55c6..bb64e46a0772a 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -306,13 +306,12 @@ const ( // CreateSchemaIndexUsageTable stores the index usage information. CreateSchemaIndexUsageTable = `CREATE TABLE IF NOT EXISTS mysql.schema_index_usage ( - TABLE_SCHEMA varchar(64), - TABLE_NAME varchar(64), - INDEX_NAME varchar(64), + TABLE_ID bigint(64), + INDEX_ID bigint(21), QUERY_COUNT bigint(64), ROWS_SELECTED bigint(64), LAST_USED_AT timestamp, - PRIMARY KEY(TABLE_SCHEMA, TABLE_NAME, INDEX_NAME) + PRIMARY KEY(TABLE_ID, INDEX_ID) );` ) diff --git a/session/session.go b/session/session.go index b6494527e4164..094e7018c45f3 100644 --- a/session/session.go +++ b/session/session.go @@ -361,11 +361,11 @@ func (s *session) StoreQueryFeedback(feedback interface{}) { } // StoreIndexUsage stores index usage information in idxUsageCollector. -func (s *session) StoreIndexUsage(dbName string, tblName string, idxName string, rowsSelected int64) { +func (s *session) StoreIndexUsage(tblID int64, idxID int64, rowsSelected int64) { if s.idxUsageCollector == nil { return } - s.idxUsageCollector.Update(dbName, tblName, idxName, &handle.IndexUsageInformation{QueryCount: 1, RowsSelected: rowsSelected}) + s.idxUsageCollector.Update(tblID, idxID, &handle.IndexUsageInformation{QueryCount: 1, RowsSelected: rowsSelected}) } // FieldList returns fields list of a table. diff --git a/sessionctx/context.go b/sessionctx/context.go index 212b6c5c635eb..c80cba073e6c4 100644 --- a/sessionctx/context.go +++ b/sessionctx/context.go @@ -105,7 +105,7 @@ type Context interface { // PrepareTSFuture uses to prepare timestamp by future. PrepareTSFuture(ctx context.Context) // StoreIndexUsage stores the index usage information. - StoreIndexUsage(dbName string, tblName string, idxName string, rowsSelected int64) + StoreIndexUsage(tblID int64, idxID int64, rowsSelected int64) } type basicCtxType int diff --git a/statistics/handle/handle_test.go b/statistics/handle/handle_test.go index 92abb791d2e17..7a2355158815c 100644 --- a/statistics/handle/handle_test.go +++ b/statistics/handle/handle_test.go @@ -808,7 +808,13 @@ func (s *testStatsSuite) TestIndexUsageInformation(c *C) { tk.MustExec("create unique index idx_a on t_idx(a)") tk.MustExec("create unique index idx_b on t_idx(b)") tk.MustQuery("select a from t_idx where a=1") - querySQL := `select table_schema, table_name, index_name, query_count, rows_selected from mysql.schema_index_usage where table_name = "t_idx"` + querySQL := `select idx.table_schema, idx.table_name, idx.key_name, stats.query_count, stats.rows_selected + from mysql.schema_index_usage as stats, information_schema.tidb_indexes as idx, information_schema.tables as tables + where tables.table_schema = idx.table_schema + AND tables.table_name = idx.table_name + AND tables.tidb_table_id = stats.table_id + AND idx.index_id = stats.index_id + AND idx.table_name = "t_idx"` do := s.do err := do.StatsHandle().DumpIndexUsageToKV() c.Assert(err, IsNil) diff --git a/statistics/handle/update.go b/statistics/handle/update.go index bfaec05fdbda6..1e4065091b638 100644 --- a/statistics/handle/update.go +++ b/statistics/handle/update.go @@ -215,7 +215,13 @@ type IndexUsageInformation struct { LastUsedAt string } -type indexUsageMap map[string]IndexUsageInformation +// GlobalIndexID is the key type for indexUsageMap. +type GlobalIndexID struct { + TableID int64 + IndexID int64 +} + +type indexUsageMap map[GlobalIndexID]IndexUsageInformation // SessionIndexUsageCollector is a list item that holds the index usage mapper. If you want to write or read mapper, you must lock it. type SessionIndexUsageCollector struct { @@ -226,7 +232,7 @@ type SessionIndexUsageCollector struct { deleted bool } -func (m indexUsageMap) updateByKey(id string, value *IndexUsageInformation) { +func (m indexUsageMap) updateByKey(id GlobalIndexID, value *IndexUsageInformation) { item := m[id] item.QueryCount += value.QueryCount item.RowsSelected += value.RowsSelected @@ -236,8 +242,8 @@ func (m indexUsageMap) updateByKey(id string, value *IndexUsageInformation) { m[id] = item } -func (m indexUsageMap) update(tableSchema string, tableName string, indexName string, value *IndexUsageInformation) { - id := fmt.Sprintf("%s.%s.%s", tableSchema, tableName, indexName) +func (m indexUsageMap) update(tableID int64, indexID int64, value *IndexUsageInformation) { + id := GlobalIndexID{TableID: tableID, IndexID: indexID} m.updateByKey(id, value) } @@ -248,11 +254,11 @@ func (m indexUsageMap) merge(destMap indexUsageMap) { } // Update updates the mapper in SessionIndexUsageCollector. -func (s *SessionIndexUsageCollector) Update(tableSchema string, tableName string, indexName string, value *IndexUsageInformation) { +func (s *SessionIndexUsageCollector) Update(tableID int64, indexID int64, value *IndexUsageInformation) { value.LastUsedAt = time.Now().Format(types.TimeFSPFormat) s.Lock() defer s.Unlock() - s.mapper.update(tableSchema, tableName, indexName, value) + s.mapper.update(tableID, indexID, value) } // Delete will set s.deleted to true which means it can be deleted from linked list. @@ -303,13 +309,9 @@ func (h *Handle) sweepIdxUsageList() indexUsageMap { func (h *Handle) DumpIndexUsageToKV() error { mapper := h.sweepIdxUsageList() for id, value := range mapper { - idInfo := strings.Split(id, ".") - if len(idInfo) != 3 { - return errors.New("illegal key for index usage informaiton") - } sql := fmt.Sprintf( - `insert into mysql.SCHEMA_INDEX_USAGE values ("%s", "%s", "%s", %d, %d, "%s") on duplicate key update query_count=query_count+%d, rows_selected=rows_selected+%d, last_used_at=greatest(last_used_at, "%s")`, - idInfo[0], idInfo[1], idInfo[2], value.QueryCount, value.RowsSelected, value.LastUsedAt, value.QueryCount, value.RowsSelected, value.LastUsedAt) + `insert into mysql.SCHEMA_INDEX_USAGE values (%d, %d, %d, %d, "%s") on duplicate key update query_count=query_count+%d, rows_selected=rows_selected+%d, last_used_at=greatest(last_used_at, "%s")`, + id.TableID, id.IndexID, value.QueryCount, value.RowsSelected, value.LastUsedAt, value.QueryCount, value.RowsSelected, value.LastUsedAt) _, _, err := h.restrictedExec.ExecRestrictedSQL(sql) if err != nil { return err diff --git a/util/mock/context.go b/util/mock/context.go index 68c8de378019e..d46ffb570a333 100644 --- a/util/mock/context.go +++ b/util/mock/context.go @@ -212,7 +212,7 @@ func (c *Context) GoCtx() context.Context { func (c *Context) StoreQueryFeedback(_ interface{}) {} // StoreIndexUsage strores the index usage information. -func (c *Context) StoreIndexUsage(_ string, _ string, _ string, _ int64) {} +func (c *Context) StoreIndexUsage(_ int64, _ int64, _ int64) {} // StmtCommit implements the sessionctx.Context interface. func (c *Context) StmtCommit() {} From fa0b55778c84c8e055c1e0a9d0843a8af2f8cf5e Mon Sep 17 00:00:00 2001 From: "Zhuomin(Charming) Liu" Date: Fri, 23 Oct 2020 16:33:14 +0800 Subject: [PATCH 0070/1021] timeutil: fix unknown time zone 'posixrules' (#20560) --- util/timeutil/time.go | 24 ++++++++++++++++++++++++ util/timeutil/time_test.go | 23 +++++++++++++++++++++++ 2 files changed, 47 insertions(+) diff --git a/util/timeutil/time.go b/util/timeutil/time.go index 8817f70acec0a..47e9d8fa657c1 100644 --- a/util/timeutil/time.go +++ b/util/timeutil/time.go @@ -15,6 +15,7 @@ package timeutil import ( "fmt" + "os" "path/filepath" "strings" "sync" @@ -52,6 +53,22 @@ type locCache struct { locMap map[string]*time.Location } +// inferOneStepLinkForPath only read one step link for the path, not like filepath.EvalSymlinks, which gets the +// recursive final linked file of the path. +func inferOneStepLinkForPath(path string) (string, error) { + fileInfo, err := os.Lstat(path) + if err != nil { + return path, err + } + if fileInfo.Mode()&os.ModeSymlink != 0 { + path, err = os.Readlink(path) + if err != nil { + return path, err + } + } + return path, nil +} + // InferSystemTZ reads system timezone from `TZ`, the path of the soft link of `/etc/localtime`. If both of them are failed, system timezone will be set to `UTC`. // It is exported because we need to use it during bootstrap stage. And it should be only used at that stage. func InferSystemTZ() string { @@ -64,6 +81,13 @@ func InferSystemTZ() string { case !ok: path, err1 := filepath.EvalSymlinks("/etc/localtime") if err1 == nil { + if strings.Index(path, "posixrules") != -1 { + path, err1 = inferOneStepLinkForPath("/etc/localtime") + if err1 != nil { + logutil.BgLogger().Error("locate timezone files failed", zap.Error(err1)) + return "" + } + } name, err2 := inferTZNameFromFileName(path) if err2 == nil { return name diff --git a/util/timeutil/time_test.go b/util/timeutil/time_test.go index 3aa4860c1f39a..b97bfa6fc5b2c 100644 --- a/util/timeutil/time_test.go +++ b/util/timeutil/time_test.go @@ -19,6 +19,8 @@ package timeutil import ( "os" + "path/filepath" + "strings" "testing" . "github.com/pingcap/check" @@ -64,3 +66,24 @@ func (s *testTimeSuite) TestLocal(c *C) { c.Assert(loc.String(), Equals, "UTC") os.Unsetenv("TZ") } + +func (s *testTimeSuite) TestInferOneStepLinkForPath(c *C) { + os.Remove("/tmp/testlink1") + os.Remove("/tmp/testlink2") + os.Remove("/tmp/testlink3") + var link2, link3 string + var err error + var link1 *os.File + link1, err = os.Create("/tmp/testlink1") + c.Assert(err, IsNil) + err = os.Symlink(link1.Name(), "/tmp/testlink2") + c.Assert(err, IsNil) + err = os.Symlink("/tmp/testlink2", "/tmp/testlink3") + c.Assert(err, IsNil) + link2, err = inferOneStepLinkForPath("/tmp/testlink3") + c.Assert(err, IsNil) + c.Assert(link2, Equals, "/tmp/testlink2") + link3, err = filepath.EvalSymlinks("/tmp/testlink3") + c.Assert(err, IsNil) + c.Assert(strings.Index(link3, link1.Name()), Not(Equals), -1) +} From 09d272c28816780527d6572196f615680c60ca72 Mon Sep 17 00:00:00 2001 From: wangyufan Date: Fri, 23 Oct 2020 18:07:43 +0800 Subject: [PATCH 0071/1021] planner: refine the explain message of expression (#16276) (#20410) --- .../explain_generate_column_substitute.result | 44 ++++++++++++------- .../t/explain_generate_column_substitute.test | 9 ++++ planner/core/explain.go | 12 ++++- planner/core/point_get_plan.go | 12 ++++- 4 files changed, 56 insertions(+), 21 deletions(-) diff --git a/cmd/explaintest/r/explain_generate_column_substitute.result b/cmd/explaintest/r/explain_generate_column_substitute.result index f0e442aa24d4f..0c5613e2bcff4 100644 --- a/cmd/explaintest/r/explain_generate_column_substitute.result +++ b/cmd/explaintest/r/explain_generate_column_substitute.result @@ -168,7 +168,7 @@ desc select * from t where a+1=3; id estRows task access object operator info Projection_4 10.00 root test.t.a, test.t.b, test.t.c, test.t.e └─IndexLookUp_10 10.00 root - ├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t, index:expr_idx_c(_V$_expr_idx_c_0) range:[3,3], keep order:false, stats:pseudo + ├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[3,3], keep order:false, stats:pseudo └─TableRowIDScan_9(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo select * from t where a+1=3; a b c e @@ -176,7 +176,7 @@ a b c e desc select a+1 from t where a+1=3; id estRows task access object operator info IndexReader_6 10.00 root index:IndexRangeScan_5 -└─IndexRangeScan_5 10.00 cop[tikv] table:t, index:expr_idx_c(_V$_expr_idx_c_0) range:[3,3], keep order:false, stats:pseudo +└─IndexRangeScan_5 10.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[3,3], keep order:false, stats:pseudo select a+1 from t where a+1=3; a+1 3 @@ -184,7 +184,7 @@ desc select c from t where a+1=3; id estRows task access object operator info Projection_4 10.00 root test.t.c └─IndexLookUp_10 10.00 root - ├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t, index:expr_idx_c(_V$_expr_idx_c_0) range:[3,3], keep order:false, stats:pseudo + ├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[3,3], keep order:false, stats:pseudo └─TableRowIDScan_9(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo select c from t where a+1=3; c @@ -193,7 +193,7 @@ desc select * from t where b+a=3; id estRows task access object operator info Projection_4 10.00 root test.t.a, test.t.b, test.t.c, test.t.e └─IndexLookUp_10 10.00 root - ├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t, index:expr_idx_e(_V$_expr_idx_e_0) range:[3,3], keep order:false, stats:pseudo + ├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t, index:expr_idx_e(`b` + `a`) range:[3,3], keep order:false, stats:pseudo └─TableRowIDScan_9(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo select * from t where b+a=3; a b c e @@ -201,7 +201,7 @@ a b c e desc select b+a from t where b+a=3; id estRows task access object operator info IndexReader_6 10.00 root index:IndexRangeScan_5 -└─IndexRangeScan_5 10.00 cop[tikv] table:t, index:expr_idx_e(_V$_expr_idx_e_0) range:[3,3], keep order:false, stats:pseudo +└─IndexRangeScan_5 10.00 cop[tikv] table:t, index:expr_idx_e(`b` + `a`) range:[3,3], keep order:false, stats:pseudo select b+a from t where b+a=3; b+a 3 @@ -209,7 +209,7 @@ desc select e from t where b+a=3; id estRows task access object operator info Projection_4 10.00 root test.t.e └─IndexLookUp_10 10.00 root - ├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t, index:expr_idx_e(_V$_expr_idx_e_0) range:[3,3], keep order:false, stats:pseudo + ├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t, index:expr_idx_e(`b` + `a`) range:[3,3], keep order:false, stats:pseudo └─TableRowIDScan_9(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo select e from t where b+a=3; e @@ -217,7 +217,7 @@ e desc select a+1 from t where a+1 in (1, 2, 3); id estRows task access object operator info IndexReader_6 30.00 root index:IndexRangeScan_5 -└─IndexRangeScan_5 30.00 cop[tikv] table:t, index:expr_idx_c(_V$_expr_idx_c_0) range:[1,1], [2,2], [3,3], keep order:false, stats:pseudo +└─IndexRangeScan_5 30.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[1,1], [2,2], [3,3], keep order:false, stats:pseudo select a+1 from t where a+1 in (1, 2, 3); a+1 1 @@ -228,7 +228,7 @@ desc select * from t where a+1 in (1, 2, 3); id estRows task access object operator info Projection_4 30.00 root test.t.a, test.t.b, test.t.c, test.t.e └─IndexLookUp_10 30.00 root - ├─IndexRangeScan_8(Build) 30.00 cop[tikv] table:t, index:expr_idx_c(_V$_expr_idx_c_0) range:[1,1], [2,2], [3,3], keep order:false, stats:pseudo + ├─IndexRangeScan_8(Build) 30.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[1,1], [2,2], [3,3], keep order:false, stats:pseudo └─TableRowIDScan_9(Probe) 30.00 cop[tikv] table:t keep order:false, stats:pseudo select * from t where a+1 in (1, 2, 3); a b c e @@ -239,7 +239,7 @@ a b c e desc select a+1 from t where a+1 between 1 and 4; id estRows task access object operator info IndexReader_6 250.00 root index:IndexRangeScan_5 -└─IndexRangeScan_5 250.00 cop[tikv] table:t, index:expr_idx_c(_V$_expr_idx_c_0) range:[1,4], keep order:false, stats:pseudo +└─IndexRangeScan_5 250.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[1,4], keep order:false, stats:pseudo select a+1 from t where a+1 between 1 and 4; a+1 1 @@ -250,7 +250,7 @@ desc select * from t where a+1 between 1 and 4; id estRows task access object operator info Projection_4 250.00 root test.t.a, test.t.b, test.t.c, test.t.e └─IndexLookUp_10 250.00 root - ├─IndexRangeScan_8(Build) 250.00 cop[tikv] table:t, index:expr_idx_c(_V$_expr_idx_c_0) range:[1,4], keep order:false, stats:pseudo + ├─IndexRangeScan_8(Build) 250.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[1,4], keep order:false, stats:pseudo └─TableRowIDScan_9(Probe) 250.00 cop[tikv] table:t keep order:false, stats:pseudo select * from t where a+1 between 1 and 4; a b c e @@ -263,7 +263,7 @@ id estRows task access object operator info Projection_5 10000.00 root test.t.a, test.t.b, test.t.c, test.t.e └─Projection_13 10000.00 root test.t.a, test.t.b, test.t.c, test.t.e, EMPTY_NAME └─IndexLookUp_12 10000.00 root - ├─IndexFullScan_10(Build) 10000.00 cop[tikv] table:t, index:expr_idx_c(_V$_expr_idx_c_0) keep order:true, stats:pseudo + ├─IndexFullScan_10(Build) 10000.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) keep order:true, stats:pseudo └─TableRowIDScan_11(Probe) 10000.00 cop[tikv] table:t keep order:false, stats:pseudo select * from t order by a+1; a b c e @@ -277,7 +277,7 @@ a b c e desc select a+1 from t order by a+1; id estRows task access object operator info IndexReader_13 10000.00 root index:IndexFullScan_12 -└─IndexFullScan_12 10000.00 cop[tikv] table:t, index:expr_idx_c(_V$_expr_idx_c_0) keep order:true, stats:pseudo +└─IndexFullScan_12 10000.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) keep order:true, stats:pseudo select a+1 from t order by a+1; a+1 0 @@ -290,7 +290,7 @@ a+1 desc select b+a from t order by b+a; id estRows task access object operator info IndexReader_13 10000.00 root index:IndexFullScan_12 -└─IndexFullScan_12 10000.00 cop[tikv] table:t, index:expr_idx_e(_V$_expr_idx_e_0) keep order:true, stats:pseudo +└─IndexFullScan_12 10000.00 cop[tikv] table:t, index:expr_idx_e(`b` + `a`) keep order:true, stats:pseudo select b+a from t order by b+a; b+a -3 @@ -304,26 +304,36 @@ desc update t set a=1 where a+1 = 3; id estRows task access object operator info Update_4 N/A root N/A └─IndexLookUp_11 10.00 root - ├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:expr_idx_c(_V$_expr_idx_c_0) range:[3,3], keep order:false, stats:pseudo + ├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[3,3], keep order:false, stats:pseudo └─TableRowIDScan_10(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo desc update t set a=2, b = 3 where b+a = 3; id estRows task access object operator info Update_4 N/A root N/A └─IndexLookUp_11 10.00 root - ├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:expr_idx_e(_V$_expr_idx_e_0) range:[3,3], keep order:false, stats:pseudo + ├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:expr_idx_e(`b` + `a`) range:[3,3], keep order:false, stats:pseudo └─TableRowIDScan_10(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo desc delete from t where a+1 = 3; id estRows task access object operator info Delete_4 N/A root N/A └─IndexLookUp_11 10.00 root - ├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:expr_idx_c(_V$_expr_idx_c_0) range:[3,3], keep order:false, stats:pseudo + ├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[3,3], keep order:false, stats:pseudo └─TableRowIDScan_10(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo desc delete from t where b+a = 0; id estRows task access object operator info Delete_4 N/A root N/A └─IndexLookUp_11 10.00 root - ├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:expr_idx_e(_V$_expr_idx_e_0) range:[0,0], keep order:false, stats:pseudo + ├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:expr_idx_e(`b` + `a`) range:[0,0], keep order:false, stats:pseudo └─TableRowIDScan_10(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo +alter table t drop index expr_idx_c; +alter table t drop index expr_idx_e; +truncate table t; +alter table t add UNIQUE expr_idx_c((a+1)); +alter table t add UNIQUE expr_idx_e((b+a)); +insert into t values (2, 2.1, default, default); +desc select * from t where a+1 = 3; +id estRows task access object operator info +Projection_4 1.00 root test.t.a, test.t.b, test.t.c, test.t.e +└─Point_Get_5 1.00 root table:t, index:expr_idx_c(`a` + 1) drop table if exists t0; create table t0(c0 float(24), c1 double as (c0) unique); explain select c0 from t0; diff --git a/cmd/explaintest/t/explain_generate_column_substitute.test b/cmd/explaintest/t/explain_generate_column_substitute.test index ee9008bf32351..bf837bd9c5f9b 100644 --- a/cmd/explaintest/t/explain_generate_column_substitute.test +++ b/cmd/explaintest/t/explain_generate_column_substitute.test @@ -133,6 +133,15 @@ desc update t set a=2, b = 3 where b+a = 3; desc delete from t where a+1 = 3; desc delete from t where b+a = 0; +# test expression index substitution use point get +alter table t drop index expr_idx_c; +alter table t drop index expr_idx_e; +truncate table t; +alter table t add UNIQUE expr_idx_c((a+1)); +alter table t add UNIQUE expr_idx_e((b+a)); +insert into t values (2, 2.1, default, default); +desc select * from t where a+1 = 3; + # test flen for float and double drop table if exists t0; create table t0(c0 float(24), c1 double as (c0) unique); diff --git a/planner/core/explain.go b/planner/core/explain.go index 89dda15c1ecf0..fa24871341717 100644 --- a/planner/core/explain.go +++ b/planner/core/explain.go @@ -89,7 +89,11 @@ func (p *PhysicalIndexScan) AccessObject() string { if len(p.Index.Columns) > 0 { buffer.WriteString(", index:" + p.Index.Name.O + "(") for i, idxCol := range p.Index.Columns { - buffer.WriteString(idxCol.Name.O) + if tblCol := p.Table.Columns[idxCol.Offset]; tblCol.Hidden { + buffer.WriteString(tblCol.GeneratedExprString) + } else { + buffer.WriteString(idxCol.Name.O) + } if i+1 < len(p.Index.Columns) { buffer.WriteString(", ") } @@ -906,7 +910,11 @@ func (p *LogicalIndexScan) ExplainInfo() string { if len(index.Columns) > 0 { buffer.WriteString(", index:") for i, idxCol := range index.Columns { - buffer.WriteString(idxCol.Name.O) + if tblCol := p.Source.tableInfo.Columns[idxCol.Offset]; tblCol.Hidden { + buffer.WriteString(tblCol.GeneratedExprString) + } else { + buffer.WriteString(idxCol.Name.O) + } if i+1 < len(index.Columns) { buffer.WriteString(", ") } diff --git a/planner/core/point_get_plan.go b/planner/core/point_get_plan.go index 6a49a0c63e23a..d684a5d05ff29 100644 --- a/planner/core/point_get_plan.go +++ b/planner/core/point_get_plan.go @@ -128,7 +128,11 @@ func (p *PointGetPlan) AccessObject() string { buffer.WriteString(", index:" + p.IndexInfo.Name.O + "(") } for i, idxCol := range p.IndexInfo.Columns { - buffer.WriteString(idxCol.Name.O) + if tblCol := p.TblInfo.Columns[idxCol.Offset]; tblCol.Hidden { + buffer.WriteString(tblCol.GeneratedExprString) + } else { + buffer.WriteString(idxCol.Name.O) + } if i+1 < len(p.IndexInfo.Columns) { buffer.WriteString(", ") } @@ -294,7 +298,11 @@ func (p *BatchPointGetPlan) AccessObject() string { buffer.WriteString(", index:" + p.IndexInfo.Name.O + "(") } for i, idxCol := range p.IndexInfo.Columns { - buffer.WriteString(idxCol.Name.O) + if tblCol := p.TblInfo.Columns[idxCol.Offset]; tblCol.Hidden { + buffer.WriteString(tblCol.GeneratedExprString) + } else { + buffer.WriteString(idxCol.Name.O) + } if i+1 < len(p.IndexInfo.Columns) { buffer.WriteString(", ") } From 58f2a48b11b03d005a1a7b8330002b058a504ead Mon Sep 17 00:00:00 2001 From: Alkaid Jiang <38248129+jyz0309@users.noreply.github.com> Date: Fri, 23 Oct 2020 19:33:15 +0800 Subject: [PATCH 0072/1021] *:add the indexlookup runtime stats infomation (#20145) --- distsql/select_result_test.go | 2 +- executor/distsql.go | 116 ++++++++++++++++++++++++++- executor/distsql_test.go | 14 ++++ executor/executor_test.go | 17 ++++ planner/core/common_plans.go | 15 ++-- util/execdetails/execdetails.go | 6 +- util/execdetails/execdetails_test.go | 8 +- 7 files changed, 162 insertions(+), 16 deletions(-) diff --git a/distsql/select_result_test.go b/distsql/select_result_test.go index 469d687517752..1e6d86fba9248 100644 --- a/distsql/select_result_test.go +++ b/distsql/select_result_test.go @@ -47,5 +47,5 @@ func (s *testSuite) TestUpdateCopRuntimeStats(c *C) { c.Assert(ctx.GetSessionVars().StmtCtx.RuntimeStatsColl, NotNil) c.Assert(len(sr.selectResp.GetExecutionSummaries()), Equals, len(sr.copPlanIDs)) sr.updateCopRuntimeStats(context.Background(), &tikv.CopRuntimeStats{ExecDetails: execdetails.ExecDetails{CalleeAddress: "callee"}}, 0) - c.Assert(ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.GetCopStats(1234).String(), Equals, "time:1ns, loops:1") + c.Assert(ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.GetCopStats(1234).String(), Equals, "tikv_task:{time:1ns, loops:1}") } diff --git a/executor/distsql.go b/executor/distsql.go index 850cc53e3e8ce..669bb404c6c64 100644 --- a/executor/distsql.go +++ b/executor/distsql.go @@ -14,6 +14,7 @@ package executor import ( + "bytes" "context" "fmt" "math" @@ -22,6 +23,7 @@ import ( "sort" "sync" "sync/atomic" + "time" "unsafe" "github.com/pingcap/errors" @@ -43,6 +45,7 @@ import ( "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/codec" "github.com/pingcap/tidb/util/collate" + "github.com/pingcap/tidb/util/execdetails" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/memory" "github.com/pingcap/tidb/util/ranger" @@ -394,6 +397,8 @@ type IndexLookUpExecutor struct { colLens []int // PushedLimit is used to skip the preceding and tailing handles when Limit is sunk into IndexLookUpReader. PushedLimit *plannercore.PushedDownLimit + + stats *IndexLookUpRunTimeStats } type getHandleType int8 @@ -428,6 +433,7 @@ func (e *IndexLookUpExecutor) Open(ctx context.Context) error { e.feedback.Invalidate() return err } + e.initRuntimeStats() err = e.open(ctx) if err != nil { e.feedback.Invalidate() @@ -503,7 +509,6 @@ func (e *IndexLookUpExecutor) startIndexWorker(ctx context.Context, kvRanges []k collExec := true e.dagPB.CollectExecutionSummaries = &collExec } - tracker := memory.NewTracker(memory.LabelForIndexWorker, -1) tracker.AttachTo(e.memTracker) var builder distsql.RequestBuilder @@ -520,8 +525,9 @@ func (e *IndexLookUpExecutor) startIndexWorker(ctx context.Context, kvRanges []k return err } tps := e.getRetTpsByHandle() + idxID := e.getIndexPlanRootID() // Since the first read only need handle information. So its returned col is only 1. - result, err := distsql.SelectWithRuntimeStats(ctx, e.ctx, kvReq, tps, e.feedback, getPhysicalPlanIDs(e.idxPlans), e.id) + result, err := distsql.SelectWithRuntimeStats(ctx, e.ctx, kvReq, tps, e.feedback, getPhysicalPlanIDs(e.idxPlans), idxID) if err != nil { return err } @@ -581,7 +587,11 @@ func (e *IndexLookUpExecutor) startTableWorker(ctx context.Context, workCh <-cha ctx1, cancel := context.WithCancel(ctx) go func() { defer trace.StartRegion(ctx1, "IndexLookUpTableWorker").End() + startTime := time.Now() worker.pickAndExecTask(ctx1) + if e.stats != nil { + atomic.AddInt64(&e.stats.TableRowScan, int64(time.Since(startTime))) + } cancel() e.tblWorkerWg.Done() }() @@ -590,7 +600,7 @@ func (e *IndexLookUpExecutor) startTableWorker(ctx context.Context, workCh <-cha func (e *IndexLookUpExecutor) buildTableReader(ctx context.Context, handles []kv.Handle) (Executor, error) { tableReaderExec := &TableReaderExecutor{ - baseExecutor: newBaseExecutor(e.ctx, e.schema, 0), + baseExecutor: newBaseExecutor(e.ctx, e.schema, e.getTableRootPlanID()), table: e.table, dagPB: e.tableRequest, startTS: e.startTS, @@ -675,6 +685,34 @@ func (e *IndexLookUpExecutor) getResultTask() (*lookupTableTask, error) { return e.resultCurr, nil } +func (e *IndexLookUpExecutor) initRuntimeStats() { + if e.runtimeStats != nil { + if e.stats == nil { + e.stats = &IndexLookUpRunTimeStats{ + IndexScan: 0, + TableRowScan: 0, + TableTaskNum: 0, + Concurrency: e.ctx.GetSessionVars().IndexLookupConcurrency(), + } + e.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.RegisterStats(e.id, e.stats) + } + } +} + +func (e *IndexLookUpExecutor) getIndexPlanRootID() int { + if len(e.idxPlans) > 0 { + return e.idxPlans[len(e.idxPlans)-1].ID() + } + return e.id +} + +func (e *IndexLookUpExecutor) getTableRootPlanID() int { + if len(e.tblPlans) > 0 { + return e.tblPlans[len(e.tblPlans)-1].ID() + } + return e.id +} + // indexWorker is used by IndexLookUpExecutor to maintain index lookup background goroutines. type indexWorker struct { idxLookup *IndexLookUpExecutor @@ -717,7 +755,16 @@ func (w *indexWorker) fetchHandles(ctx context.Context, result distsql.SelectRes }() retTps := w.idxLookup.getRetTpsByHandle() chk := chunk.NewChunkWithCapacity(retTps, w.idxLookup.maxChunkSize) + idxID := w.idxLookup.getIndexPlanRootID() + var basicStats *execdetails.BasicRuntimeStats + if w.idxLookup.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl != nil { + if idxID != w.idxLookup.id { + basicStats = &execdetails.BasicRuntimeStats{} + w.idxLookup.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.RegisterStats(idxID, basicStats) + } + } for { + startTime := time.Now() handles, retChunk, scannedKeys, err := w.extractTaskHandles(ctx, chk, result, count) if err != nil { doneCh := make(chan error, 1) @@ -732,6 +779,9 @@ func (w *indexWorker) fetchHandles(ctx context.Context, result distsql.SelectRes return count, nil } task := w.buildTableTask(handles, retChunk) + if w.idxLookup.stats != nil { + atomic.AddInt64(&w.idxLookup.stats.IndexScan, int64(time.Since(startTime))) + } select { case <-ctx.Done(): return count, nil @@ -740,6 +790,9 @@ func (w *indexWorker) fetchHandles(ctx context.Context, result distsql.SelectRes case w.workCh <- task: w.resultCh <- task } + if basicStats != nil { + basicStats.Record(time.Since(startTime), chk.NumRows()) + } } } @@ -887,6 +940,9 @@ func (w *tableWorker) pickAndExecTask(ctx context.Context) { return } err := w.executeTask(ctx, task) + if w.idxLookup.stats != nil { + atomic.AddInt64(&w.idxLookup.stats.TableTaskNum, 1) + } task.doneCh <- err } } @@ -939,6 +995,60 @@ func (e *IndexLookUpExecutor) getHandle(row chunk.Row, handleIdx []int, return } +// IndexLookUpRunTimeStats record the indexlookup runtime stat +type IndexLookUpRunTimeStats struct { + IndexScan int64 + TableRowScan int64 + TableTaskNum int64 + Concurrency int +} + +func (e *IndexLookUpRunTimeStats) String() string { + var buf bytes.Buffer + indexScan := atomic.LoadInt64(&e.IndexScan) + tableScan := atomic.LoadInt64(&e.TableRowScan) + tableTaskNum := atomic.LoadInt64(&e.TableTaskNum) + concurrency := e.Concurrency + if indexScan != 0 { + buf.WriteString(fmt.Sprintf("index_task:%s", time.Duration(indexScan))) + } + if tableScan != 0 { + if buf.Len() > 0 { + buf.WriteByte(',') + } + buf.WriteString(fmt.Sprintf(" table_task:{num:%d, concurrency:%d, time:%s}", tableTaskNum, concurrency, time.Duration(tableScan))) + } + return buf.String() +} + +// Clone implements the RuntimeStats interface. +func (e *IndexLookUpRunTimeStats) Clone() execdetails.RuntimeStats { + newRs := &IndexLookUpRunTimeStats{ + IndexScan: e.IndexScan, + TableRowScan: e.TableRowScan, + TableTaskNum: e.TableTaskNum, + Concurrency: e.Concurrency, + } + return newRs +} + +// Merge implements the RuntimeStats interface. +func (e *IndexLookUpRunTimeStats) Merge(other execdetails.RuntimeStats) { + tmp, ok := other.(*IndexLookUpRunTimeStats) + if !ok { + return + } + e.IndexScan += tmp.IndexScan + e.TableRowScan += tmp.TableRowScan + e.TableTaskNum += tmp.TableTaskNum + e.Concurrency += tmp.Concurrency +} + +// Tp implements the RuntimeStats interface. +func (e *IndexLookUpRunTimeStats) Tp() int { + return execdetails.TpIndexLookUpRunTimeStats +} + func (w *tableWorker) compareData(ctx context.Context, task *lookupTableTask, tableReader Executor) error { chk := newFirstChunk(tableReader) tblInfo := w.idxLookup.table.Meta() diff --git a/executor/distsql_test.go b/executor/distsql_test.go index ce2013a04ac2c..1cd6915f0e0f3 100644 --- a/executor/distsql_test.go +++ b/executor/distsql_test.go @@ -19,6 +19,7 @@ import ( "fmt" "runtime/pprof" "strings" + "time" . "github.com/pingcap/check" "github.com/pingcap/parser/model" @@ -255,3 +256,16 @@ func (s *testSuite3) TestPushLimitDownIndexLookUpReader(c *C) { tk.MustQuery("select * from tbl use index(idx_b_c) where b > 1 order by b desc limit 2,1").Check(testkit.Rows("3 3 3")) tk.MustQuery("select * from tbl use index(idx_b_c) where b > 1 and c > 1 limit 2,1").Check(testkit.Rows("4 4 4")) } + +func (s *testSuite3) TestIndexLookUpStats(c *C) { + stats := &executor.IndexLookUpRunTimeStats{ + IndexScan: int64(2 * time.Second), + TableRowScan: int64(2 * time.Second), + TableTaskNum: 2, + Concurrency: 1, + } + c.Assert(stats.String(), Equals, "index_task:2s, table_task:{num:2, concurrency:1, time:2s}") + c.Assert(stats.String(), Equals, stats.Clone().String()) + stats.Merge(stats.Clone()) + c.Assert(stats.String(), Equals, "index_task:4s, table_task:{num:4, concurrency:2, time:4s}") +} diff --git a/executor/executor_test.go b/executor/executor_test.go index 1371bf2ab45fd..ef995617ee169 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6470,6 +6470,23 @@ func (s *testSerialSuite1) TestCollectCopRuntimeStats(c *C) { c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/tikvStoreRespResult"), IsNil) } +func (s *testSerialSuite1) TestIndexlookupRuntimeStats(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("drop table if exists t1") + tk.MustExec("create table t1 (a int, b int, index(a))") + tk.MustExec("insert into t1 values (1,2),(2,3),(3,4)") + sql := "explain analyze select * from t1 use index(a) where a > 1;" + rows := tk.MustQuery(sql).Rows() + c.Assert(len(rows), Equals, 3) + explain := fmt.Sprintf("%v", rows[0]) + c.Assert(explain, Matches, ".*time:.*loops:.*index_task:.*table_task:{num.*concurrency.*time.*}.*") + indexExplain := fmt.Sprintf("%v", rows[1]) + tableExplain := fmt.Sprintf("%v", rows[2]) + c.Assert(indexExplain, Matches, ".*time:.*loops:.*cop_task:.*") + c.Assert(tableExplain, Matches, ".*time:.*loops:.*cop_task:.*") +} + func (s *testSuite) TestCollectDMLRuntimeStats(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/planner/core/common_plans.go b/planner/core/common_plans.go index f7d5a9a990148..a4dcc7296bcdc 100644 --- a/planner/core/common_plans.go +++ b/planner/core/common_plans.go @@ -1065,11 +1065,7 @@ func getRuntimeInfo(ctx sessionctx.Context, p Plan, runtimeStatsColl *execdetail // There maybe some mock information for cop task to let runtimeStatsColl.Exists(p.ExplainID()) is true. // So check copTaskEkxecDetail first and print the real cop task information if it's not empty. - if runtimeStatsColl.ExistsCopStats(explainID) { - copstats := runtimeStatsColl.GetCopStats(explainID) - analyzeInfo = copstats.String() - actRows = fmt.Sprint(copstats.GetActRows()) - } else if runtimeStatsColl.ExistsRootStats(explainID) { + if runtimeStatsColl.ExistsRootStats(explainID) { rootstats := runtimeStatsColl.GetRootStats(explainID) analyzeInfo = rootstats.String() actRows = fmt.Sprint(rootstats.GetActRows()) @@ -1077,7 +1073,14 @@ func getRuntimeInfo(ctx sessionctx.Context, p Plan, runtimeStatsColl *execdetail analyzeInfo = "time:0ns, loops:0" actRows = "0" } - + if runtimeStatsColl.ExistsCopStats(explainID) { + copstats := runtimeStatsColl.GetCopStats(explainID) + if len(analyzeInfo) > 0 { + analyzeInfo += ", " + } + analyzeInfo += copstats.String() + actRows = fmt.Sprint(copstats.GetActRows()) + } memoryInfo = "N/A" memTracker := ctx.GetSessionVars().StmtCtx.MemTracker.SearchTrackerWithoutLock(p.ID()) if memTracker != nil { diff --git a/util/execdetails/execdetails.go b/util/execdetails/execdetails.go index b6f48d1a3d874..da4c3eb568c21 100644 --- a/util/execdetails/execdetails.go +++ b/util/execdetails/execdetails.go @@ -451,12 +451,12 @@ func (crs *CopRuntimeStats) String() string { } if totalTasks == 1 { - return fmt.Sprintf("time:%v, loops:%d", procTimes[0], totalIters) + return fmt.Sprintf("tikv_task:{time:%v, loops:%d}", procTimes[0], totalIters) } n := len(procTimes) sort.Slice(procTimes, func(i, j int) bool { return procTimes[i] < procTimes[j] }) - return fmt.Sprintf("proc max:%v, min:%v, p80:%v, p95:%v, iters:%v, tasks:%v", + return fmt.Sprintf("tikv_task:{proc max:%v, min:%v, p80:%v, p95:%v, iters:%v, tasks:%v}", procTimes[n-1], procTimes[0], procTimes[n*4/5], procTimes[n*19/20], totalIters, totalTasks) } @@ -481,6 +481,8 @@ const ( TpSelectResultRuntimeStats // TpInsertRuntimeStat is the tp for InsertRuntimeStat TpInsertRuntimeStat + // TpIndexLookUpRunTimeStats is the tp for TpIndexLookUpRunTimeStats + TpIndexLookUpRunTimeStats // TpSlowQueryRuntimeStat is the tp for TpSlowQueryRuntimeStat TpSlowQueryRuntimeStat ) diff --git a/util/execdetails/execdetails_test.go b/util/execdetails/execdetails_test.go index 57a237009d8bf..5810faef2704c 100644 --- a/util/execdetails/execdetails_test.go +++ b/util/execdetails/execdetails_test.go @@ -104,7 +104,7 @@ func TestCopRuntimeStats(t *testing.T) { t.Fatal("exist") } cop := stats.GetCopStats(tableScanID) - if cop.String() != "proc max:2ns, min:1ns, p80:2ns, p95:2ns, iters:3, tasks:2" { + if cop.String() != "tikv_task:{proc max:2ns, min:1ns, p80:2ns, p95:2ns, iters:3, tasks:2}" { t.Fatal("table_scan") } copStats := cop.stats["8.8.8.8"] @@ -117,7 +117,7 @@ func TestCopRuntimeStats(t *testing.T) { t.Fatalf("cop stats string is not expect, got: %v", copStats[0].String()) } - if stats.GetCopStats(aggID).String() != "proc max:4ns, min:3ns, p80:4ns, p95:4ns, iters:7, tasks:2" { + if stats.GetCopStats(aggID).String() != "tikv_task:{proc max:4ns, min:3ns, p80:4ns, p95:4ns, iters:7, tasks:2}" { t.Fatal("agg") } rootStats := stats.GetRootStats(tableReaderID) @@ -142,7 +142,7 @@ func TestCopRuntimeStatsForTiFlash(t *testing.T) { t.Fatal("exist") } cop := stats.GetCopStats(tableScanID) - if cop.String() != "proc max:2ns, min:1ns, p80:2ns, p95:2ns, iters:3, tasks:2" { + if cop.String() != "tikv_task:{proc max:2ns, min:1ns, p80:2ns, p95:2ns, iters:3, tasks:2}" { t.Fatal("table_scan") } copStats := cop.stats["8.8.8.8"] @@ -155,7 +155,7 @@ func TestCopRuntimeStatsForTiFlash(t *testing.T) { t.Fatalf("cop stats string is not expect, got: %v", copStats[0].String()) } - if stats.GetCopStats(aggID).String() != "proc max:4ns, min:3ns, p80:4ns, p95:4ns, iters:7, tasks:2" { + if stats.GetCopStats(aggID).String() != "tikv_task:{proc max:4ns, min:3ns, p80:4ns, p95:4ns, iters:7, tasks:2}" { t.Fatal("agg") } rootStats := stats.GetRootStats(tableReaderID) From 974c5fa78e69af35879da1494b771f498ebfb1b4 Mon Sep 17 00:00:00 2001 From: wangyufan Date: Fri, 23 Oct 2020 20:03:44 +0800 Subject: [PATCH 0073/1021] planner: explain output convert binary string to hex (#20472) --- cmd/explaintest/r/explain_easy.result | 4 ++-- planner/core/exhaust_physical_plans_test.go | 2 +- util/ranger/ranger_test.go | 2 +- util/ranger/types.go | 4 +++- 4 files changed, 7 insertions(+), 5 deletions(-) diff --git a/cmd/explaintest/r/explain_easy.result b/cmd/explaintest/r/explain_easy.result index 7b92ecbaeefd8..27ea5514a3b3c 100644 --- a/cmd/explaintest/r/explain_easy.result +++ b/cmd/explaintest/r/explain_easy.result @@ -777,12 +777,12 @@ create table t(a binary(16) not null, b varchar(2) default null, c varchar(100) explain select * from t where a=x'FA34E1093CB428485734E3917F000000' and b='xb'; id estRows task access object operator info IndexLookUp_10 0.10 root -├─IndexRangeScan_8(Build) 0.10 cop[tikv] table:t, index:a(a, b) range:["[250 52 225 9 60 180 40 72 87 52 227 145 127 0 0 0]" "xb","[250 52 225 9 60 180 40 72 87 52 227 145 127 0 0 0]" "xb"], keep order:false, stats:pseudo +├─IndexRangeScan_8(Build) 0.10 cop[tikv] table:t, index:a(a, b) range:[0xFA34E1093CB428485734E3917F000000 "xb",0xFA34E1093CB428485734E3917F000000 "xb"], keep order:false, stats:pseudo └─TableRowIDScan_9(Probe) 0.10 cop[tikv] table:t keep order:false, stats:pseudo explain update t set c = 'ssss' where a=x'FA34E1093CB428485734E3917F000000' and b='xb'; id estRows task access object operator info Update_4 N/A root N/A └─IndexLookUp_11 0.10 root - ├─IndexRangeScan_9(Build) 0.10 cop[tikv] table:t, index:a(a, b) range:["[250 52 225 9 60 180 40 72 87 52 227 145 127 0 0 0]" "xb","[250 52 225 9 60 180 40 72 87 52 227 145 127 0 0 0]" "xb"], keep order:false, stats:pseudo + ├─IndexRangeScan_9(Build) 0.10 cop[tikv] table:t, index:a(a, b) range:[0xFA34E1093CB428485734E3917F000000 "xb",0xFA34E1093CB428485734E3917F000000 "xb"], keep order:false, stats:pseudo └─TableRowIDScan_10(Probe) 0.10 cop[tikv] table:t keep order:false, stats:pseudo drop table if exists t; diff --git a/planner/core/exhaust_physical_plans_test.go b/planner/core/exhaust_physical_plans_test.go index df5a83dffb1f1..889e0f657392f 100644 --- a/planner/core/exhaust_physical_plans_test.go +++ b/planner/core/exhaust_physical_plans_test.go @@ -200,7 +200,7 @@ func (s *testUnitTestSuit) TestIndexJoinAnalyzeLookUpFilters(c *C) { innerKeys: []*expression.Column{dsSchema.Columns[1]}, pushedDownConds: "a = 1 and c > 'a' and c < 'aaaaaa'", otherConds: "", - ranges: "[(1 NULL \"a\",1 NULL \"[97 97]\"]]", + ranges: "[(1 NULL \"a\",1 NULL 0x6161]]", idxOff2KeyOff: "[-1 0 -1 -1]", accesses: "[eq(Column#1, 1) gt(Column#3, a) lt(Column#3, aaaaaa)]", remained: "[gt(Column#3, a) lt(Column#3, aaaaaa)]", diff --git a/util/ranger/ranger_test.go b/util/ranger/ranger_test.go index 87d3fa6788f17..9f6544201abfd 100644 --- a/util/ranger/ranger_test.go +++ b/util/ranger/ranger_test.go @@ -561,7 +561,7 @@ create table t( exprStr: `e = "你好啊"`, accessConds: "[eq(test.t.e, 你好啊)]", filterConds: "[eq(test.t.e, 你好啊)]", - resultStr: "[[\"[228 189]\",\"[228 189]\"]]", + resultStr: "[[0xE4BD,0xE4BD]]", }, { indexPos: 2, diff --git a/util/ranger/types.go b/util/ranger/types.go index fd75da35a725a..8fef4daf74181 100644 --- a/util/ranger/types.go +++ b/util/ranger/types.go @@ -201,7 +201,9 @@ func formatDatum(d types.Datum, isLeftSide bool) string { if d.GetUint64() == math.MaxUint64 && !isLeftSide { return "+inf" } - case types.KindString, types.KindBytes, types.KindMysqlEnum, types.KindMysqlSet, + case types.KindBytes: + return fmt.Sprintf("0x%X", d.GetValue()) + case types.KindString, types.KindMysqlEnum, types.KindMysqlSet, types.KindMysqlJSON, types.KindBinaryLiteral, types.KindMysqlBit: return fmt.Sprintf("\"%v\"", d.GetValue()) } From 3db90e425682a468d06ea89a036b6022898fe1b0 Mon Sep 17 00:00:00 2001 From: DaMeiren Date: Mon, 26 Oct 2020 11:10:14 +0800 Subject: [PATCH 0074/1021] types: fix incompatible result of `DATE_ADD()` (#19880) --- expression/integration_test.go | 32 ++++++++++++++++++++------------ types/time.go | 8 +++++--- types/time_test.go | 5 +++++ 3 files changed, 30 insertions(+), 15 deletions(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index 6179776c20743..31cb8ed221ba6 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -5430,8 +5430,8 @@ func (s *testIntegrationSuite) TestDatetimeMicrosecond(c *C) { testkit.Rows("2007-03-28 22:06:26")) tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" HOUR_SECOND);`).Check( testkit.Rows("2007-03-28 22:06:26")) - // tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" SECOND);`).Check( - // testkit.Rows("2007-03-28 22:08:25.800000")) + tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" SECOND);`).Check( + testkit.Rows("2007-03-28 22:08:25.800000")) tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" YEAR);`).Check( testkit.Rows("2005-03-28 22:08:28")) tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" QUARTER);`).Check( @@ -5440,10 +5440,10 @@ func (s *testIntegrationSuite) TestDatetimeMicrosecond(c *C) { testkit.Rows("2007-01-28 22:08:28")) tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" WEEK);`).Check( testkit.Rows("2007-03-14 22:08:28")) - // tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" DAY);`).Check( - // testkit.Rows("2007-03-26 22:08:28")) - // tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" HOUR);`).Check( - // testkit.Rows("2007-03-28 20:08:28")) + tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" DAY);`).Check( + testkit.Rows("2007-03-26 22:08:28")) + tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" HOUR);`).Check( + testkit.Rows("2007-03-28 20:08:28")) tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" MINUTE);`).Check( testkit.Rows("2007-03-28 22:06:28")) tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.2" MICROSECOND);`).Check( @@ -5462,8 +5462,16 @@ func (s *testIntegrationSuite) TestDatetimeMicrosecond(c *C) { testkit.Rows("2007-03-28 22:06:26")) tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" HOUR_SECOND);`).Check( testkit.Rows("2007-03-28 22:06:26")) - // tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" SECOND);`).Check( - // testkit.Rows("2007-03-28 22:08:26")) + tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" SECOND);`).Check( + testkit.Rows("2007-03-28 22:08:26")) + tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.+2" SECOND);`).Check( + testkit.Rows("2007-03-28 22:08:26")) + tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.*2" SECOND);`).Check( + testkit.Rows("2007-03-28 22:08:26")) + tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2./2" SECOND);`).Check( + testkit.Rows("2007-03-28 22:08:26")) + tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.a2" SECOND);`).Check( + testkit.Rows("2007-03-28 22:08:26")) tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" YEAR);`).Check( testkit.Rows("2005-03-28 22:08:28")) tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" QUARTER);`).Check( @@ -5472,10 +5480,10 @@ func (s *testIntegrationSuite) TestDatetimeMicrosecond(c *C) { testkit.Rows("2007-01-28 22:08:28")) tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" WEEK);`).Check( testkit.Rows("2007-03-14 22:08:28")) - // tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" DAY);`).Check( - // testkit.Rows("2007-03-26 22:08:28")) - // tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" HOUR);`).Check( - // testkit.Rows("2007-03-28 20:08:28")) + tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" DAY);`).Check( + testkit.Rows("2007-03-26 22:08:28")) + tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" HOUR);`).Check( + testkit.Rows("2007-03-28 20:08:28")) tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" MINUTE);`).Check( testkit.Rows("2007-03-28 22:06:28")) tk.MustQuery(`select DATE_ADD('2007-03-28 22:08:28',INTERVAL "-2.-2" MICROSECOND);`).Check( diff --git a/types/time.go b/types/time.go index e49b6c258e219..b05614ebe91a4 100644 --- a/types/time.go +++ b/types/time.go @@ -1982,13 +1982,15 @@ func parseSingleTimeValue(unit string, format string, strictCheck bool) (int64, lf := len(format) - 1 // Has fraction part if decimalPointPos < lf { - if lf-decimalPointPos >= 6 { + dvPre := oneToSixDigitRegex.FindString(format[decimalPointPos+1:]) // the numberical prefix of the fraction part + dvPreLen := len(dvPre) + if dvPreLen >= 6 { // MySQL rounds down to 1e-6. - if dv, err = strconv.ParseInt(format[decimalPointPos+1:decimalPointPos+7], 10, 64); err != nil { + if dv, err = strconv.ParseInt(dvPre[0:6], 10, 64); err != nil { return 0, 0, 0, 0, ErrWrongValue.GenWithStackByArgs(DateTimeStr, format) } } else { - if dv, err = strconv.ParseInt(format[decimalPointPos+1:]+"000000"[:6-(lf-decimalPointPos)], 10, 64); err != nil { + if dv, err = strconv.ParseInt(dvPre[:]+"000000"[:6-dvPreLen], 10, 64); err != nil { return 0, 0, 0, 0, ErrWrongValue.GenWithStackByArgs(DateTimeStr, format) } } diff --git a/types/time_test.go b/types/time_test.go index a4dd98261dd60..81e6b6ba3da12 100644 --- a/types/time_test.go +++ b/types/time_test.go @@ -1393,6 +1393,11 @@ func (s *testTimeSuite) TestExtractDurationValue(c *C) { format: "-3020400", failed: true, }, + { + unit: "SECOND", + format: "50.-2", + ans: "00:00:50", + }, { unit: "MONTH", format: "1", From 8812ab38a9928640fb83caf830886666a8e3bc19 Mon Sep 17 00:00:00 2001 From: zhangxiaoxiao <43167585+chicliz@users.noreply.github.com> Date: Mon, 26 Oct 2020 12:05:32 +0800 Subject: [PATCH 0075/1021] planner: validate row expression value size for point get plan (#19924) --- planner/core/point_get_plan.go | 3 +++ planner/core/point_get_plan_test.go | 20 ++++++++++++++++++++ 2 files changed, 23 insertions(+) diff --git a/planner/core/point_get_plan.go b/planner/core/point_get_plan.go index d684a5d05ff29..fa6562ad43b18 100644 --- a/planner/core/point_get_plan.go +++ b/planner/core/point_get_plan.go @@ -578,6 +578,9 @@ func newBatchPointGetPlan( switch x := item.(type) { case *ast.RowExpr: // The `len(values) == len(valuesParams)` should be satisfied in this mode + if len(x.Values) != len(whereColNames) { + return nil + } values = make([]types.Datum, len(x.Values)) valuesParams = make([]*driver.ParamMarkerExpr, len(x.Values)) for index, inner := range x.Values { diff --git a/planner/core/point_get_plan_test.go b/planner/core/point_get_plan_test.go index 05a8c9890cbfc..2ec238739df95 100644 --- a/planner/core/point_get_plan_test.go +++ b/planner/core/point_get_plan_test.go @@ -449,3 +449,23 @@ func (s *testPointGetSuite) TestIssue19141(c *C) { tk.MustExec("delete from t19141 partition (p0) where c_int in (2,3)") // No data changed tk.MustQuery("select * from t19141 order by c_int").Check(testkit.Rows("1", "2", "3", "4")) } + +func (s *testPointGetSuite) TestSelectInMultiColumns(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("create table t2(a int, b int, c int, primary key(a, b, c));") + tk.MustExec("insert into t2 values (1, 1, 1), (2, 2, 2), (3, 3, 3), (4, 4, 4)") + tk.MustQuery("select * from t2 where (a, b, c) in ((1, 1, 1));").Check(testkit.Rows("1 1 1")) + + _, err := tk.Exec("select * from t2 where (a, b, c) in ((1, 1, 1, 1));") + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "[expression:1241]Operand should contain 3 column(s)") + + _, err = tk.Exec("select * from t2 where (a, b, c) in ((1, 1, 1), (2, 2, 2, 2));") + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "[expression:1241]Operand should contain 3 column(s)") + + _, err = tk.Exec("select * from t2 where (a, b, c) in ((1, 1), (2, 2, 2));") + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "[expression:1241]Operand should contain 3 column(s)") +} From c5f388751e46d3fbe75c0c99b33b197fe46673bb Mon Sep 17 00:00:00 2001 From: crazycs Date: Mon, 26 Oct 2020 14:15:06 +0800 Subject: [PATCH 0076/1021] executor: add max font size limit (#20625) Signed-off-by: crazycs520 --- executor/inspection_profile.go | 6 +++++- infoschema/metric_table_def.go | 4 ++-- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/executor/inspection_profile.go b/executor/inspection_profile.go index 397c276634f88..2c998ea8aa894 100644 --- a/executor/inspection_profile.go +++ b/executor/inspection_profile.go @@ -526,9 +526,12 @@ func (pb *profileBuilder) addNode(n *metricNode, selfCost, nodeTotal float64) er } func (pb *profileBuilder) addNodeDef(name, labelValue, comment string, fontWeight, colorWeight float64) { - baseFontSize, maxFontGrowth := 5, 18.0 + baseFontSize, maxFontSize, maxFontGrowth := 5, 64, 18.0 fontSize := baseFontSize fontSize += int(math.Ceil(maxFontGrowth * math.Sqrt(math.Abs(fontWeight)/pb.totalValue))) + if fontSize > maxFontSize { + fontSize = maxFontSize + } pb.buf.WriteString(fmt.Sprintf(`N%d [label="%s" tooltip="%s" fontsize=%d shape=box color="%s" fillcolor="%s"]`, pb.getNameID(name), labelValue, comment, fontSize, @@ -654,6 +657,7 @@ func (pb *profileBuilder) genTiDBQueryTree() *metricNode { children: []*metricNode{ { table: "tidb_batch_client_wait", + unit: int64(10e8), }, { table: "tidb_batch_client_wait_conn", diff --git a/infoschema/metric_table_def.go b/infoschema/metric_table_def.go index 82146bb87ef5b..1b92662338fc2 100644 --- a/infoschema/metric_table_def.go +++ b/infoschema/metric_table_def.go @@ -650,7 +650,7 @@ var MetricTableMap = map[string]MetricTableDef{ Labels: []string{"instance", "store"}, }, "tidb_batch_client_wait_duration": { - Comment: "The quantile of kv storage batch processing durations", + Comment: "The quantile of kv storage batch processing durations, the unit is nanosecond", PromQL: "histogram_quantile($QUANTILE, sum(rate(tidb_tikvclient_batch_wait_duration_bucket{$LABEL_CONDITIONS}[$RANGE_DURATION])) by (le, instance))", Labels: []string{"instance"}, Quantile: 0.95, @@ -2413,7 +2413,7 @@ var MetricTableMap = map[string]MetricTableDef{ "tidb_batch_client_wait_total_time": { PromQL: "sum(increase(tidb_tikvclient_batch_wait_duration_sum{$LABEL_CONDITIONS}[$RANGE_DURATION])) by (instance)", Labels: []string{"instance"}, - Comment: "The total time of kv storage batch processing durations", + Comment: "The total time of kv storage batch processing durations, the unit is nanosecond", }, "tidb_compile_total_count": { PromQL: "sum(increase(tidb_session_compile_duration_seconds_count{$LABEL_CONDITIONS}[$RANGE_DURATION])) by (instance,sql_type)", From 0d613a2dfaa936ca0284adfe39d2338978cbeefd Mon Sep 17 00:00:00 2001 From: Han Fei Date: Mon, 26 Oct 2020 14:46:47 +0800 Subject: [PATCH 0077/1021] [executor, store/tikv]: implement a prototype for MPP framework. (#19954) --- distsql/distsql.go | 25 ++ executor/builder.go | 38 ++- executor/mpp_gather.go | 332 ++++++++++++++++++ executor/partition_table.go | 19 +- executor/table_readers_required_rows_test.go | 3 +- executor/tiflash_test.go | 2 + go.mod | 6 +- go.sum | 12 +- kv/interface_mock_test.go | 4 + kv/kv.go | 37 ++ planner/core/find_best_task.go | 1 + planner/core/initialize.go | 5 + planner/core/physical_plans.go | 7 + session/session.go | 9 + sessionctx/context.go | 3 + sessionctx/variable/session.go | 6 + sessionctx/variable/sysvar.go | 1 + sessionctx/variable/tidb_vars.go | 3 + store/tikv/batch_coprocessor.go | 10 +- store/tikv/client.go | 43 ++- store/tikv/kv.go | 6 + store/tikv/mpp.go | 338 +++++++++++++++++++ store/tikv/region_request_test.go | 10 + store/tikv/tikvrpc/tikvrpc.go | 60 +++- util/mock/context.go | 8 + util/mock/store.go | 3 + util/plancodec/id.go | 4 + 27 files changed, 952 insertions(+), 43 deletions(-) create mode 100644 executor/mpp_gather.go create mode 100644 store/tikv/mpp.go diff --git a/distsql/distsql.go b/distsql/distsql.go index 3bf8e1d652fe4..0a0d0a45cbbb0 100644 --- a/distsql/distsql.go +++ b/distsql/distsql.go @@ -28,6 +28,31 @@ import ( "github.com/pingcap/tipb/go-tipb" ) +// DispatchMPPTasks dispathes all tasks and returns an iterator. +func DispatchMPPTasks(ctx context.Context, sctx sessionctx.Context, tasks []*kv.MPPDispatchRequest, fieldTypes []*types.FieldType) (SelectResult, error) { + resp := sctx.GetMPPClient().DispatchMPPTasks(ctx, tasks) + if resp == nil { + err := errors.New("client returns nil response") + return nil, err + } + + encodeType := tipb.EncodeType_TypeDefault + if canUseChunkRPC(sctx) { + encodeType = tipb.EncodeType_TypeChunk + } + // TODO: Add metric label and set open tracing. + return &selectResult{ + label: "mpp", + resp: resp, + rowLen: len(fieldTypes), + fieldTypes: fieldTypes, + ctx: sctx, + feedback: statistics.NewQueryFeedback(0, nil, 0, false), + encodeType: encodeType, + }, nil + +} + // Select sends a DAG request, returns SelectResult. // In kvReq, KeyRanges is required, Concurrency/KeepOrder/Desc/IsolationLevel/Priority are optional. func Select(ctx context.Context, sctx sessionctx.Context, kvReq *kv.Request, fieldTypes []*types.FieldType, fb *statistics.QueryFeedback) (SelectResult, error) { diff --git a/executor/builder.go b/executor/builder.go index b44d82d58d5c2..ae077a1dc3346 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -2191,10 +2191,10 @@ func constructDistExecForTiFlash(sctx sessionctx.Context, p plannercore.Physical } -func (b *executorBuilder) constructDAGReq(plans []plannercore.PhysicalPlan, storeType kv.StoreType) (dagReq *tipb.DAGRequest, streaming bool, err error) { +func constructDAGReq(ctx sessionctx.Context, plans []plannercore.PhysicalPlan, storeType kv.StoreType) (dagReq *tipb.DAGRequest, streaming bool, err error) { dagReq = &tipb.DAGRequest{} - dagReq.TimeZoneName, dagReq.TimeZoneOffset = timeutil.Zone(b.ctx.GetSessionVars().Location()) - sc := b.ctx.GetSessionVars().StmtCtx + dagReq.TimeZoneName, dagReq.TimeZoneOffset = timeutil.Zone(ctx.GetSessionVars().Location()) + sc := ctx.GetSessionVars().StmtCtx if sc.RuntimeStatsColl != nil { collExec := true dagReq.CollectExecutionSummaries = &collExec @@ -2202,13 +2202,13 @@ func (b *executorBuilder) constructDAGReq(plans []plannercore.PhysicalPlan, stor dagReq.Flags = sc.PushDownFlags() if storeType == kv.TiFlash { var executors []*tipb.Executor - executors, streaming, err = constructDistExecForTiFlash(b.ctx, plans[0]) + executors, streaming, err = constructDistExecForTiFlash(ctx, plans[0]) dagReq.RootExecutor = executors[0] } else { - dagReq.Executors, streaming, err = constructDistExec(b.ctx, plans) + dagReq.Executors, streaming, err = constructDistExec(ctx, plans) } - distsql.SetEncodeType(b.ctx, dagReq) + distsql.SetEncodeType(ctx, dagReq) return dagReq, streaming, err } @@ -2451,7 +2451,7 @@ func buildNoRangeTableReader(b *executorBuilder, v *plannercore.PhysicalTableRea if v.StoreType == kv.TiFlash { tablePlans = []plannercore.PhysicalPlan{v.GetTablePlan()} } - dagReq, streaming, err := b.constructDAGReq(tablePlans, v.StoreType) + dagReq, streaming, err := constructDAGReq(b.ctx, tablePlans, v.StoreType) if err != nil { return nil, err } @@ -2508,6 +2508,21 @@ func buildNoRangeTableReader(b *executorBuilder, v *plannercore.PhysicalTableRea return e, nil } +func (b *executorBuilder) buildMPPGather(v *plannercore.PhysicalTableReader) Executor { + startTs, err := b.getSnapshotTS() + if err != nil { + b.err = err + return nil + } + gather := &MPPGather{ + baseExecutor: newBaseExecutor(b.ctx, v.Schema(), v.ID()), + is: b.is, + originalPlan: v.GetTablePlan(), + startTS: startTs, + } + return gather +} + // buildTableReader builds a table reader executor. It first build a no range table reader, // and then update it ranges from table scan plan. func (b *executorBuilder) buildTableReader(v *plannercore.PhysicalTableReader) Executor { @@ -2517,6 +2532,9 @@ func (b *executorBuilder) buildTableReader(v *plannercore.PhysicalTableReader) E return nil } } + if useMPPExecution(b.ctx, v) { + return b.buildMPPGather(v) + } ret, err := buildNoRangeTableReader(b, v) if err != nil { b.err = err @@ -2692,7 +2710,7 @@ func prunePartitionForInnerExecutor(ctx sessionctx.Context, tbl table.Table, sch } func buildNoRangeIndexReader(b *executorBuilder, v *plannercore.PhysicalIndexReader) (*IndexReaderExecutor, error) { - dagReq, streaming, err := b.constructDAGReq(v.IndexPlans, kv.TiKV) + dagReq, streaming, err := constructDAGReq(b.ctx, v.IndexPlans, kv.TiKV) if err != nil { return nil, err } @@ -2792,7 +2810,7 @@ func (b *executorBuilder) buildIndexReader(v *plannercore.PhysicalIndexReader) E } func buildTableReq(b *executorBuilder, schemaLen int, plans []plannercore.PhysicalPlan) (dagReq *tipb.DAGRequest, streaming bool, val table.Table, err error) { - tableReq, tableStreaming, err := b.constructDAGReq(plans, kv.TiKV) + tableReq, tableStreaming, err := constructDAGReq(b.ctx, plans, kv.TiKV) if err != nil { return nil, false, nil, err } @@ -2810,7 +2828,7 @@ func buildTableReq(b *executorBuilder, schemaLen int, plans []plannercore.Physic } func buildIndexReq(b *executorBuilder, schemaLen, handleLen int, plans []plannercore.PhysicalPlan) (dagReq *tipb.DAGRequest, streaming bool, err error) { - indexReq, indexStreaming, err := b.constructDAGReq(plans, kv.TiKV) + indexReq, indexStreaming, err := constructDAGReq(b.ctx, plans, kv.TiKV) if err != nil { return nil, false, err } diff --git a/executor/mpp_gather.go b/executor/mpp_gather.go new file mode 100644 index 0000000000000..facbbf48d9a54 --- /dev/null +++ b/executor/mpp_gather.go @@ -0,0 +1,332 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package executor + +import ( + "context" + + "github.com/pingcap/errors" + "github.com/pingcap/kvproto/pkg/mpp" + "github.com/pingcap/tidb/distsql" + "github.com/pingcap/tidb/expression" + "github.com/pingcap/tidb/infoschema" + "github.com/pingcap/tidb/kv" + plannercore "github.com/pingcap/tidb/planner/core" + "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/table" + "github.com/pingcap/tidb/util/chunk" + "github.com/pingcap/tidb/util/plancodec" + "github.com/pingcap/tidb/util/ranger" + "github.com/pingcap/tipb/go-tipb" +) + +// Currently we only use mpp for broadcast join. +func useMPPExecution(ctx sessionctx.Context, tr *plannercore.PhysicalTableReader) bool { + if !ctx.GetSessionVars().AllowMPPExecution { + return false + } + if tr.StoreType != kv.TiFlash { + return false + } + return true +} + +type mppTask struct { + taskInfo kv.MPPTask // on which store this task will execute + id int64 // mppTaskID + startTs uint64 + tableID int64 // physical table id +} + +// ToPB generates the pb structure. +func (t *mppTask) ToPB() *mpp.TaskMeta { + meta := &mpp.TaskMeta{ + StartTs: t.startTs, + TaskId: t.id, + } + if t.id != -1 { + meta.Address = t.taskInfo.GetAddress() + } + return meta +} + +// planFragment is cut from the whole pushed-down plan by pipeline breaker. +// Communication by pfs are always through shuffling / broadcasting / passing through. +type planFragment struct { + p plannercore.PhysicalPlan + + /// following field are filled during getPlanFragment. + // TODO: Strictly speaking, not all plan fragment contain table scan. we can do this assumption until more plans are supported. + tableScan *plannercore.PhysicalTableScan // result physical table scan + exchangeReceivers []*ExchangeReceiver // data receivers + + // following fields are filled after scheduling. + exchangeSender *ExchangeSender // data exporter +} + +// ExchangeReceiver accepts connection and receives data passively. +type ExchangeReceiver struct { + plannercore.PhysicalExchangerBase + + tasks []*mppTask + childPf *planFragment + schema *expression.Schema +} + +// ToPB generates the pb structure. +func (e *ExchangeReceiver) ToPB(ctx sessionctx.Context, storeType kv.StoreType) (*tipb.Executor, error) { + + encodedTask := make([][]byte, 0, len(e.tasks)) + + for _, task := range e.tasks { + encodedStr, err := task.ToPB().Marshal() + if err != nil { + return nil, errors.Trace(err) + } + encodedTask = append(encodedTask, encodedStr) + } + + fieldTypes := make([]*tipb.FieldType, 0, len(e.schema.Columns)) + for _, column := range e.schema.Columns { + fieldTypes = append(fieldTypes, expression.ToPBFieldType(column.RetType)) + } + ecExec := &tipb.ExchangeReceiver{ + EncodedTaskMeta: encodedTask, + FieldTypes: fieldTypes, + } + executorID := e.ExplainID().String() + return &tipb.Executor{ + Tp: tipb.ExecType_TypeExchangeReceiver, + ExchangeReceiver: ecExec, + ExecutorId: &executorID, + }, nil +} + +// ExchangeSender dispatches data to upstream tasks. That means push mode processing, +type ExchangeSender struct { + plannercore.PhysicalExchangerBase + + tasks []*mppTask + exchangeType tipb.ExchangeType +} + +// ToPB generates the pb structure. +func (e *ExchangeSender) ToPB(ctx sessionctx.Context, storeType kv.StoreType) (*tipb.Executor, error) { + child, err := e.Children()[0].ToPB(ctx, kv.TiFlash) + if err != nil { + return nil, errors.Trace(err) + } + + encodedTask := make([][]byte, 0, len(e.tasks)) + + for _, task := range e.tasks { + encodedStr, err := task.ToPB().Marshal() + if err != nil { + return nil, errors.Trace(err) + } + encodedTask = append(encodedTask, encodedStr) + } + + ecExec := &tipb.ExchangeSender{ + Tp: e.exchangeType, + EncodedTaskMeta: encodedTask, + Child: child, + } + executorID := e.ExplainID().String() + return &tipb.Executor{ + Tp: tipb.ExecType_TypeExchangeSender, + ExchangeSender: ecExec, + ExecutorId: &executorID, + }, nil +} + +// MPPGather dispatch MPP tasks and read data from root tasks. +type MPPGather struct { + // following fields are construct needed + baseExecutor + is infoschema.InfoSchema + originalPlan plannercore.PhysicalPlan + startTS uint64 + + allocTaskID int64 + mppReqs []*kv.MPPDispatchRequest + + respIter distsql.SelectResult +} + +func (e *MPPGather) constructMPPTasksImpl(ctx context.Context, p *planFragment) ([]*mppTask, error) { + if p.tableScan.Table.GetPartitionInfo() == nil { + return e.constructSinglePhysicalTable(ctx, p.tableScan.Table.ID, p.tableScan.Ranges) + } + tmp, _ := e.is.TableByID(p.tableScan.Table.ID) + tbl := tmp.(table.PartitionedTable) + partitions, err := partitionPruning(e.ctx, tbl, p.tableScan.PartitionInfo.PruningConds, p.tableScan.PartitionInfo.PartitionNames, p.tableScan.PartitionInfo.Columns, p.tableScan.PartitionInfo.ColumnNames) + if err != nil { + return nil, errors.Trace(err) + } + allTasks := make([]*mppTask, 0) + for _, part := range partitions { + partTasks, err := e.constructSinglePhysicalTable(ctx, part.GetPhysicalID(), p.tableScan.Ranges) + if err != nil { + return nil, errors.Trace(err) + } + allTasks = append(allTasks, partTasks...) + } + return allTasks, nil +} + +func (e *MPPGather) constructSinglePhysicalTable(ctx context.Context, tableID int64, ranges []*ranger.Range) ([]*mppTask, error) { + kvRanges := distsql.TableRangesToKVRanges(tableID, ranges, nil) + req := &kv.MPPBuildTasksRequest{KeyRanges: kvRanges} + stores, err := e.ctx.GetMPPClient().ConstructMPPTasks(ctx, req) + if err != nil { + return nil, errors.Trace(err) + } + tasks := make([]*mppTask, 0, len(stores)) + for _, store := range stores { + e.allocTaskID++ + tasks = append(tasks, &mppTask{taskInfo: store, id: e.allocTaskID, startTs: e.startTS, tableID: tableID}) + } + return tasks, nil +} + +func getPlanFragments(ctx sessionctx.Context, p plannercore.PhysicalPlan, pf *planFragment) { + switch x := p.(type) { + case *plannercore.PhysicalTableScan: + x.IsGlobalRead = false + pf.tableScan = x + case *plannercore.PhysicalBroadCastJoin: + // This is a pipeline breaker. So we replace broadcast side with a exchangerClient + bcChild := x.Children()[x.InnerChildIdx] + exchangeSender := &ExchangeSender{exchangeType: tipb.ExchangeType_Broadcast} + exchangeSender.InitBasePlan(ctx, plancodec.TypeExchangeSender) + npf := &planFragment{p: bcChild, exchangeSender: exchangeSender} + exchangeSender.SetChildren(npf.p) + + exchangeReceivers := &ExchangeReceiver{ + childPf: npf, + schema: bcChild.Schema(), + } + exchangeReceivers.InitBasePlan(ctx, plancodec.TypeExchangeReceiver) + x.Children()[x.InnerChildIdx] = exchangeReceivers + pf.exchangeReceivers = append(pf.exchangeReceivers, exchangeReceivers) + + // For the inner side of join, we use a new plan fragment. + getPlanFragments(ctx, bcChild, npf) + getPlanFragments(ctx, x.Children()[1-x.InnerChildIdx], pf) + default: + if len(x.Children()) > 0 { + getPlanFragments(ctx, x.Children()[0], pf) + } + } +} + +func (e *MPPGather) appendMPPDispatchReq(pf *planFragment, tasks []*mppTask, isRoot bool) error { + dagReq, _, err := constructDAGReq(e.ctx, []plannercore.PhysicalPlan{pf.exchangeSender}, kv.TiFlash) + if err != nil { + return errors.Trace(err) + } + for i := range pf.p.Schema().Columns { + dagReq.OutputOffsets = append(dagReq.OutputOffsets, uint32(i)) + } + if !isRoot { + dagReq.EncodeType = tipb.EncodeType_TypeCHBlock + } else { + dagReq.EncodeType = tipb.EncodeType_TypeChunk + } + for _, mppTask := range tasks { + err := updateExecutorTableID(context.Background(), dagReq.RootExecutor, mppTask.tableID, true) + if err != nil { + return errors.Trace(err) + } + pbData, err := dagReq.Marshal() + if err != nil { + return errors.Trace(err) + } + req := &kv.MPPDispatchRequest{ + Data: pbData, + Task: mppTask.taskInfo, + ID: mppTask.id, + IsRoot: isRoot, + Timeout: 10, + SchemaVar: e.is.SchemaMetaVersion(), + StartTs: e.startTS, + } + e.mppReqs = append(e.mppReqs, req) + } + return nil +} + +func (e *MPPGather) constructMPPTasks(ctx context.Context, pf *planFragment, isRoot bool) ([]*mppTask, error) { + tasks, err := e.constructMPPTasksImpl(ctx, pf) + if err != nil { + return nil, errors.Trace(err) + } + + for _, client := range pf.exchangeReceivers { + client.childPf.exchangeSender.tasks = tasks + client.tasks, err = e.constructMPPTasks(ctx, client.childPf, false) + if err != nil { + return nil, errors.Trace(err) + } + } + err = e.appendMPPDispatchReq(pf, tasks, isRoot) + if err != nil { + return nil, errors.Trace(err) + } + return tasks, nil +} + +// Open decides the task counts and locations and generate exchange operators for every plan fragment. +// Then dispatch tasks to tiflash stores. If any task fails, it would cancel the rest tasks. +// TODO: We should retry when the request fails for pure rpc error. +func (e *MPPGather) Open(ctx context.Context) error { + tidbTask := &mppTask{ + startTs: e.startTS, + id: -1, + } + rootPf := &planFragment{ + p: e.originalPlan, + exchangeSender: &ExchangeSender{exchangeType: tipb.ExchangeType_PassThrough, tasks: []*mppTask{tidbTask}}, + } + rootPf.exchangeSender.InitBasePlan(e.ctx, plancodec.TypeExchangeSender) + rootPf.exchangeSender.SetChildren(rootPf.p) + + getPlanFragments(e.ctx, e.originalPlan, rootPf) + _, err := e.constructMPPTasks(ctx, rootPf, true) + if err != nil { + return errors.Trace(err) + } + + e.respIter, err = distsql.DispatchMPPTasks(ctx, e.ctx, e.mppReqs, e.retFieldTypes) + if err != nil { + return errors.Trace(err) + } + e.respIter.Fetch(ctx) + return nil +} + +// Next fills data into the chunk passed by its caller. +func (e *MPPGather) Next(ctx context.Context, chk *chunk.Chunk) error { + err := e.respIter.Next(ctx, chk) + return errors.Trace(err) +} + +// Close and release the used resources. +func (e *MPPGather) Close() error { + if e.respIter != nil { + return e.respIter.Close() + } + return nil +} diff --git a/executor/partition_table.go b/executor/partition_table.go index 88ac2ad769b4c..46836de7db58d 100644 --- a/executor/partition_table.go +++ b/executor/partition_table.go @@ -67,7 +67,7 @@ func (n nextPartitionForTableReader) nextPartition(ctx context.Context, tbl tabl if n.innerPartitionInfo != nil && !n.isFullPartition { n.exec.kvRangeBuilder = n.rangeBuilders[tbl.GetPhysicalID()] } - if err := updateDAGRequestTableID(ctx, n.exec.dagPB, tbl.Meta().ID, tbl.GetPhysicalID()); err != nil { + if err := updateDAGRequestTableID(ctx, n.exec.dagPB, tbl.GetPhysicalID()); err != nil { return nil, err } return n.exec, nil @@ -150,14 +150,14 @@ func nextPartitionWithTrace(ctx context.Context, n nextPartition, tbl table.Phys // updateDAGRequestTableID update the table ID in the DAG request to partition ID. // TiKV only use that table ID for log, but TiFlash use it. -func updateDAGRequestTableID(ctx context.Context, dag *tipb.DAGRequest, tableID, partitionID int64) error { +func updateDAGRequestTableID(ctx context.Context, dag *tipb.DAGRequest, partitionID int64) error { // TiFlash set RootExecutor field and ignore Executors field. if dag.RootExecutor != nil { - return updateExecutorTableID(ctx, dag.RootExecutor, tableID, partitionID, true) + return updateExecutorTableID(ctx, dag.RootExecutor, partitionID, true) } for i := 0; i < len(dag.Executors); i++ { exec := dag.Executors[i] - err := updateExecutorTableID(ctx, exec, tableID, partitionID, false) + err := updateExecutorTableID(ctx, exec, partitionID, false) if err != nil { return err } @@ -165,7 +165,7 @@ func updateDAGRequestTableID(ctx context.Context, dag *tipb.DAGRequest, tableID, return nil } -func updateExecutorTableID(ctx context.Context, exec *tipb.Executor, tableID, partitionID int64, recursive bool) error { +func updateExecutorTableID(ctx context.Context, exec *tipb.Executor, partitionID int64, recursive bool) error { var child *tipb.Executor switch exec.Tp { case tipb.ExecType_TypeTableScan: @@ -185,16 +185,15 @@ func updateExecutorTableID(ctx context.Context, exec *tipb.Executor, tableID, pa child = exec.TopN.Child case tipb.ExecType_TypeLimit: child = exec.Limit.Child + case tipb.ExecType_TypeExchangeSender: + child = exec.ExchangeSender.Child case tipb.ExecType_TypeJoin: - // TiFlash currently does not support Join on partition table. - // The planner should not generate this kind of plan. - // So the code should never run here. - return errors.New("wrong plan, join on partition table is not supported on TiFlash") + child = exec.Join.Children[1-exec.Join.InnerIdx] default: return errors.Trace(fmt.Errorf("unknown new tipb protocol %d", exec.Tp)) } if child != nil && recursive { - return updateExecutorTableID(ctx, child, tableID, partitionID, recursive) + return updateExecutorTableID(ctx, child, partitionID, recursive) } return nil } diff --git a/executor/table_readers_required_rows_test.go b/executor/table_readers_required_rows_test.go index ac1e8d4ba5406..8fa9da27f4a11 100644 --- a/executor/table_readers_required_rows_test.go +++ b/executor/table_readers_required_rows_test.go @@ -123,8 +123,7 @@ func buildTableReader(sctx sessionctx.Context) Executor { } func buildMockDAGRequest(sctx sessionctx.Context) *tipb.DAGRequest { - builder := newExecutorBuilder(sctx, nil) - req, _, err := builder.constructDAGReq([]core.PhysicalPlan{&core.PhysicalTableScan{ + req, _, err := constructDAGReq(sctx, []core.PhysicalPlan{&core.PhysicalTableScan{ Columns: []*model.ColumnInfo{}, Table: &model.TableInfo{ID: 12345, PKIsHandle: false}, Desc: false, diff --git a/executor/tiflash_test.go b/executor/tiflash_test.go index 559ed0957c880..fdc77266c3b8b 100644 --- a/executor/tiflash_test.go +++ b/executor/tiflash_test.go @@ -70,6 +70,7 @@ func (s *tiflashTestSuite) SetUpSuite(c *C) { func (s *tiflashTestSuite) TestReadPartitionTable(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") + tk.MustExec("drop table if exists t") tk.MustExec("create table t(a int not null primary key, b int not null) partition by hash(a) partitions 2") tk.MustExec("alter table t set tiflash replica 1") tb := testGetTableByName(c, tk.Se, "test", "t") @@ -90,4 +91,5 @@ func (s *tiflashTestSuite) TestReadPartitionTable(c *C) { tk.MustQuery("select /*+ STREAM_AGG() */ count(*) from t").Check(testkit.Rows("5")) tk.MustExec("insert into t values(6,0)") tk.MustQuery("select /*+ STREAM_AGG() */ count(*) from t").Check(testkit.Rows("6")) + tk.MustExec("commit") } diff --git a/go.mod b/go.mod index 29d7397d0fe45..cdd7494d4031e 100644 --- a/go.mod +++ b/go.mod @@ -37,7 +37,7 @@ require ( github.com/montanaflynn/stats v0.5.0 // indirect github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7 github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef - github.com/ngaut/unistore v0.0.0-20200929093420-76a7b18be28e + github.com/ngaut/unistore v0.0.0-20201026053041-4333e8d852f1 github.com/onsi/ginkgo v1.9.0 // indirect github.com/onsi/gomega v1.6.0 // indirect github.com/opentracing/basictracer-go v1.0.0 @@ -51,12 +51,12 @@ require ( github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce github.com/pingcap/fn v0.0.0-20200306044125-d5540d389059 github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 - github.com/pingcap/kvproto v0.0.0-20200927054727-1290113160f0 + github.com/pingcap/kvproto v0.0.0-20201023092649-e6d6090277c9 github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 github.com/pingcap/parser v0.0.0-20201021061956-783a03250c77 github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible - github.com/pingcap/tipb v0.0.0-20200618092958-4fad48b4c8c3 + github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f github.com/prometheus/client_golang v1.5.1 github.com/prometheus/client_model v0.2.0 github.com/prometheus/common v0.9.1 diff --git a/go.sum b/go.sum index 0a7709b5b13db..149b65c4715ff 100644 --- a/go.sum +++ b/go.sum @@ -408,8 +408,8 @@ github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7 h1:7KAv7KMGTTqSmYZtNdc github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7/go.mod h1:iWMfgwqYW+e8n5lC/jjNEhwcjbRDpl5NT7n2h+4UNcI= github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef h1:K0Fn+DoFqNqktdZtdV3bPQ/0cuYh2H4rkg0tytX/07k= github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef/go.mod h1:7WjlapSfwQyo6LNmIvEWzsW1hbBQfpUO4JWnuQRmva8= -github.com/ngaut/unistore v0.0.0-20200929093420-76a7b18be28e h1:1a8YbLM1sBmwEjzEVT/JD12Vjf6BNnBBEUV3nAcZYKU= -github.com/ngaut/unistore v0.0.0-20200929093420-76a7b18be28e/go.mod h1:ZR3NH+HzqfiYetwdoAivApnIy8iefPZHTMLfrFNm8g4= +github.com/ngaut/unistore v0.0.0-20201026053041-4333e8d852f1 h1:WHACEcI4Om4RVVUCssGTUwvJeF2CTuHHLmxr2h3joWQ= +github.com/ngaut/unistore v0.0.0-20201026053041-4333e8d852f1/go.mod h1:ZR3NH+HzqfiYetwdoAivApnIy8iefPZHTMLfrFNm8g4= github.com/nicksnyder/go-i18n v1.10.0/go.mod h1:HrK7VCrbOvQoUAQ7Vpy7i87N7JZZZ7R2xBGjv0j365Q= github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs= github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno= @@ -469,8 +469,8 @@ github.com/pingcap/kvproto v0.0.0-20191211054548-3c6b38ea5107/go.mod h1:WWLmULLO github.com/pingcap/kvproto v0.0.0-20200411081810-b85805c9476c/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/kvproto v0.0.0-20200810113304-6157337686b1/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/kvproto v0.0.0-20200827082727-23dedec2339b/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= -github.com/pingcap/kvproto v0.0.0-20200927054727-1290113160f0 h1:yNUYt8kP/fAEhNi7wUfU0pvk6ZgoEHgJIyeM/CTeS3g= -github.com/pingcap/kvproto v0.0.0-20200927054727-1290113160f0/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= +github.com/pingcap/kvproto v0.0.0-20201023092649-e6d6090277c9 h1:o/MpH2TJ2qJk0EwSI1O8Fw/dzx/ImSSKp2gXEUDvH6w= +github.com/pingcap/kvproto v0.0.0-20201023092649-e6d6090277c9/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/log v0.0.0-20191012051959-b742a5d432e9/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200117041106-d28c14d3b1cd/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200511115504-543df19646ad h1:SveG82rmu/GFxYanffxsSF503SiQV+2JLnWEiGiF+Tc= @@ -484,8 +484,8 @@ github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a h1:i2RElJ2aykSqZKe github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible h1:qPppnsXVh3KswqRZdSAShGLLPd7dB+5w4lXDnpYn0SQ= github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible/go.mod h1:XGdcy9+yqlDSEMTpOXnwf3hiTeqrV6MN/u1se9N8yIM= -github.com/pingcap/tipb v0.0.0-20200618092958-4fad48b4c8c3 h1:ESL3eIt1kUt8IMvR1011ejZlAyDcOzw89ARvVHvpD5k= -github.com/pingcap/tipb v0.0.0-20200618092958-4fad48b4c8c3/go.mod h1:RtkHW8WbcNxj8lsbzjaILci01CtYnYbIkQhjyZWrWVI= +github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f h1:J+0TAI+7Hvebz4bM4GnRCRT4MpjYnUxbyi9ky5ZQUsU= +github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f/go.mod h1:RtkHW8WbcNxj8lsbzjaILci01CtYnYbIkQhjyZWrWVI= github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= diff --git a/kv/interface_mock_test.go b/kv/interface_mock_test.go index ade7eb0e8c96d..470665bda4460 100644 --- a/kv/interface_mock_test.go +++ b/kv/interface_mock_test.go @@ -181,6 +181,10 @@ func (s *mockStorage) GetClient() Client { return nil } +func (s *mockStorage) GetMPPClient() MPPClient { + return nil +} + func (s *mockStorage) GetOracle() oracle.Oracle { return nil } diff --git a/kv/kv.go b/kv/kv.go index 89702a2a37c55..dca0efe69ea37 100644 --- a/kv/kv.go +++ b/kv/kv.go @@ -301,6 +301,16 @@ type ReturnedValue struct { AlreadyLocked bool } +// MPPClient accepts and processes mpp requests. +type MPPClient interface { + // ConstructMPPTasks schedules task for a plan fragment. + // TODO:: This interface will be refined after we support more executors. + ConstructMPPTasks(context.Context, *MPPBuildTasksRequest) ([]MPPTask, error) + + // DispatchMPPTasks dispatches ALL mpp requests at once, and returns an iterator that transfers the data. + DispatchMPPTasks(context.Context, []*MPPDispatchRequest) Response +} + // Client is used to send request to KV layer. type Client interface { // Send sends request to KV layer, returns a Response. @@ -396,6 +406,31 @@ type Request struct { TaskID uint64 } +// MPPTask stands for a min execution unit for mpp. +type MPPTask interface { + // GetAddress indicates which node this task should execute on. + GetAddress() string +} + +// MPPBuildTasksRequest request the stores allocation for a mpp plan fragment. +// However, the request doesn't contain the particular plan, because only key ranges take effect on the location assignment. +type MPPBuildTasksRequest struct { + KeyRanges []KeyRange + StartTS uint64 +} + +// MPPDispatchRequest stands for a dispatching task. +type MPPDispatchRequest struct { + Data []byte // data encodes the dag coprocessor request. + Task MPPTask // mpp store is the location of tiflash store. + IsRoot bool // root task returns data to tidb directly. + Timeout uint64 // If task is assigned but doesn't receive a connect request during timeout, the task should be destroyed. + // SchemaVer is for any schema-ful storage (like tiflash) to validate schema correctness if necessary. + SchemaVar int64 + StartTs uint64 + ID int64 // identify a single task +} + // ResultSubset represents a result subset from a single storage unit. // TODO: Find a better interface for ResultSubset that can reuse bytes. type ResultSubset interface { @@ -455,6 +490,8 @@ type Storage interface { GetSnapshot(ver Version) Snapshot // GetClient gets a client instance. GetClient() Client + // GetClient gets a mpp client instance. + GetMPPClient() MPPClient // Close store Close() error // UUID return a unique ID which represents a Storage. diff --git a/planner/core/find_best_task.go b/planner/core/find_best_task.go index e8bb45331ca02..6c60cc56a8501 100644 --- a/planner/core/find_best_task.go +++ b/planner/core/find_best_task.go @@ -1460,6 +1460,7 @@ func (ds *DataSource) convertToTableScan(prop *property.PhysicalProperty, candid Columns: ds.TblCols, ColumnNames: ds.names, } + ts.PartitionInfo = copTask.partitionInfo task = copTask if candidate.isMatchProp { copTask.keepOrder = true diff --git a/planner/core/initialize.go b/planner/core/initialize.go index ff923cae70178..2441861b7b570 100644 --- a/planner/core/initialize.go +++ b/planner/core/initialize.go @@ -477,6 +477,11 @@ func (p PointGetPlan) Init(ctx sessionctx.Context, stats *property.StatsInfo, of return &p } +// InitBasePlan only assigns type and context. +func (p *PhysicalExchangerBase) InitBasePlan(ctx sessionctx.Context, tp string) { + p.basePlan = newBasePlan(ctx, tp, 0) +} + func flattenTreePlan(plan PhysicalPlan, plans []PhysicalPlan) []PhysicalPlan { plans = append(plans, plan) for _, child := range plan.Children() { diff --git a/planner/core/physical_plans.go b/planner/core/physical_plans.go index 85b1e8ea1c5fa..9d53527d1793d 100644 --- a/planner/core/physical_plans.go +++ b/planner/core/physical_plans.go @@ -466,6 +466,8 @@ type PhysicalTableScan struct { Desc bool isChildOfIndexLookUp bool + + PartitionInfo PartitionInfo } // Clone implements PhysicalPlan interface. @@ -835,6 +837,11 @@ type PhysicalBroadCastJoin struct { globalChildIndex int } +// PhysicalExchangerBase is the common part of Exchanger and ExchangerClient. +type PhysicalExchangerBase struct { + basePhysicalPlan +} + // Clone implements PhysicalPlan interface. func (p *PhysicalMergeJoin) Clone() (PhysicalPlan, error) { cloned := new(PhysicalMergeJoin) diff --git a/session/session.go b/session/session.go index 094e7018c45f3..de10114d39756 100644 --- a/session/session.go +++ b/session/session.go @@ -186,6 +186,8 @@ type session struct { // client shared coprocessor client per session client kv.Client + mppClient kv.MPPClient + // indexUsageCollector collects index usage information. idxUsageCollector *handle.SessionIndexUsageCollector } @@ -574,6 +576,10 @@ func (s *session) GetClient() kv.Client { return s.client } +func (s *session) GetMPPClient() kv.MPPClient { + return s.mppClient +} + func (s *session) String() string { // TODO: how to print binded context in values appropriately? sessVars := s.sessionVars @@ -1967,6 +1973,7 @@ func createSessionWithOpt(store kv.Storage, opt *Opt) (*session, error) { sessionVars: variable.NewSessionVars(), ddlOwnerChecker: dom.DDL().OwnerManager(), client: store.GetClient(), + mppClient: store.GetMPPClient(), } if plannercore.PreparedPlanCacheEnabled() { if opt != nil && opt.PreparedPlanCache != nil { @@ -1999,6 +2006,7 @@ func CreateSessionWithDomain(store kv.Storage, dom *domain.Domain) (*session, er parser: parser.New(), sessionVars: variable.NewSessionVars(), client: store.GetClient(), + mppClient: store.GetMPPClient(), } if plannercore.PreparedPlanCacheEnabled() { s.preparedPlanCache = kvcache.NewSimpleLRUCache(plannercore.PreparedPlanCacheCapacity, @@ -2138,6 +2146,7 @@ var builtinGlobalVariable = []string{ variable.TiDBEnableIndexMerge, variable.TiDBTxnMode, variable.TiDBAllowBatchCop, + variable.TiDBAllowMPPExecution, variable.TiDBOptBCJ, variable.TiDBRowFormatVersion, variable.TiDBEnableStmtSummary, diff --git a/sessionctx/context.go b/sessionctx/context.go index c80cba073e6c4..ea0e8cf2c410c 100644 --- a/sessionctx/context.go +++ b/sessionctx/context.go @@ -42,6 +42,9 @@ type Context interface { // GetClient gets a kv.Client. GetClient() kv.Client + // GetClient gets a kv.Client. + GetMPPClient() kv.MPPClient + // SetValue saves a value associated with this context for key. SetValue(key fmt.Stringer, value interface{}) diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index ac2cc7ecc6ee2..6c14f59883e4f 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -467,6 +467,9 @@ type SessionVars struct { // If value is set to 2 , which means to force to send batch cop for any query. Value is set to 0 means never use batch cop. AllowBatchCop int + // AllowMPPExecution will prefer using mpp way to execute a query. + AllowMPPExecution bool + // TiDBAllowAutoRandExplicitInsert indicates whether explicit insertion on auto_random column is allowed. AllowAutoRandExplicitInsert bool @@ -891,6 +894,7 @@ func NewSessionVars() *SessionVars { terror.Log(vars.SetSystemVar(TiDBEnableStreaming, enableStreaming)) vars.AllowBatchCop = DefTiDBAllowBatchCop + vars.AllowMPPExecution = DefTiDBAllowMPPExecution var enableChunkRPC string if config.GetGlobalConfig().TiKVClient.EnableChunkRPC { @@ -1270,6 +1274,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.IndexJoinBatchSize = tidbOptPositiveInt32(val, DefIndexJoinBatchSize) case TiDBAllowBatchCop: s.AllowBatchCop = int(tidbOptInt64(val, DefTiDBAllowBatchCop)) + case TiDBAllowMPPExecution: + s.AllowMPPExecution = TiDBOptOn(val) case TiDBIndexLookupSize: s.IndexLookupSize = tidbOptPositiveInt32(val, DefIndexLookupSize) case TiDBHashJoinConcurrency: diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 0c599cbec0dfb..287a08a5bb116 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -663,6 +663,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: ThreadPoolSize, Value: "16", Type: TypeUnsigned, MinValue: 1, MaxValue: 64, AutoConvertOutOfRange: true}, {Scope: ScopeGlobal | ScopeSession, Name: WindowingUseHighPrecision, Value: BoolOn, Type: TypeBool}, /* TiDB specific variables */ + {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowMPPExecution, Value: BoolToIntStr(DefTiDBAllowMPPExecution)}, {Scope: ScopeSession, Name: TiDBSnapshot, Value: ""}, {Scope: ScopeSession, Name: TiDBOptAggPushDown, Value: BoolToOnOff(DefOptAggPushDown), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptBCJ, Value: BoolToOnOff(DefOptBCJ)}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index bab6826eeca27..818853b864d7e 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -265,6 +265,8 @@ const ( // The default value is 0 TiDBAllowBatchCop = "tidb_allow_batch_cop" + TiDBAllowMPPExecution = "tidb_allow_mpp" + // TiDBInitChunkSize is used to control the init chunk size during query execution. TiDBInitChunkSize = "tidb_init_chunk_size" @@ -510,6 +512,7 @@ const ( DefTiDBProjectionConcurrency = ConcurrencyUnset DefTiDBOptimizerSelectivityLevel = 0 DefTiDBAllowBatchCop = 1 + DefTiDBAllowMPPExecution = false DefTiDBTxnMode = "" DefTiDBRowFormatV1 = 1 DefTiDBRowFormatV2 = 2 diff --git a/store/tikv/batch_coprocessor.go b/store/tikv/batch_coprocessor.go index 59db552d4a0de..a716ae38165c3 100644 --- a/store/tikv/batch_coprocessor.go +++ b/store/tikv/batch_coprocessor.go @@ -93,7 +93,7 @@ type copTaskAndRPCContext struct { ctx *RPCContext } -func buildBatchCopTasks(bo *Backoffer, cache *RegionCache, ranges *copRanges, req *kv.Request) ([]*batchCopTask, error) { +func buildBatchCopTasks(bo *Backoffer, cache *RegionCache, ranges *copRanges, storeType kv.StoreType) ([]*batchCopTask, error) { start := time.Now() const cmdType = tikvrpc.CmdBatchCop rangesLen := ranges.len() @@ -104,7 +104,7 @@ func buildBatchCopTasks(bo *Backoffer, cache *RegionCache, ranges *copRanges, re region: regionWithRangeInfo.Region, ranges: ranges, cmdType: cmdType, - storeType: req.StoreType, + storeType: storeType, }) } @@ -168,7 +168,7 @@ func (c *CopClient) sendBatch(ctx context.Context, req *kv.Request, vars *kv.Var } ctx = context.WithValue(ctx, txnStartKey, req.StartTs) bo := NewBackofferWithVars(ctx, copBuildTaskMaxBackoff, vars) - tasks, err := buildBatchCopTasks(bo, c.store.regionCache, &copRanges{mid: req.KeyRanges}, req) + tasks, err := buildBatchCopTasks(bo, c.store.regionCache, &copRanges{mid: req.KeyRanges}, req.StoreType) if err != nil { return copErrorResponse{err} } @@ -295,7 +295,6 @@ func (b *batchCopIterator) Close() error { } func (b *batchCopIterator) handleTask(ctx context.Context, bo *Backoffer, task *batchCopTask) { - logutil.BgLogger().Debug("handle batch task") tasks := []*batchCopTask{task} for idx := 0; idx < len(tasks); idx++ { ret, err := b.handleTaskOnce(ctx, bo, tasks[idx]) @@ -317,11 +316,10 @@ func (b *batchCopIterator) retryBatchCopTask(ctx context.Context, bo *Backoffer, ranges.mid = append(ranges.mid, *ran) }) } - return buildBatchCopTasks(bo, b.RegionCache, ranges, b.req) + return buildBatchCopTasks(bo, b.RegionCache, ranges, b.req.StoreType) } func (b *batchCopIterator) handleTaskOnce(ctx context.Context, bo *Backoffer, task *batchCopTask) ([]*batchCopTask, error) { - logutil.BgLogger().Debug("handle batch task once") sender := NewRegionBatchRequestSender(b.store.regionCache, b.store.client) var regionInfos []*coprocessor.RegionInfo for _, task := range task.copTasks { diff --git a/store/tikv/client.go b/store/tikv/client.go index d4727f21a1688..315c6964fd96a 100644 --- a/store/tikv/client.go +++ b/store/tikv/client.go @@ -30,6 +30,7 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/kvproto/pkg/coprocessor" "github.com/pingcap/kvproto/pkg/debugpb" + "github.com/pingcap/kvproto/pkg/mpp" "github.com/pingcap/kvproto/pkg/tikvpb" "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/config" @@ -377,13 +378,15 @@ func (c *rpcClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.R client := tikvpb.NewTikvClient(clientConn) - if req.Type == tikvrpc.CmdBatchCop { + switch req.Type { + case tikvrpc.CmdBatchCop: return c.getBatchCopStreamResponse(ctx, client, req, timeout, connArray) - } - - if req.Type == tikvrpc.CmdCopStream { + case tikvrpc.CmdCopStream: return c.getCopStreamResponse(ctx, client, req, timeout, connArray) + case tikvrpc.CmdMPPConn: + return c.getMPPStreamResponse(ctx, client, req, timeout, connArray) } + // Or else it's a unary call. ctx1, cancel := context.WithTimeout(ctx, timeout) defer cancel() return tikvrpc.CallRPC(ctx1, client, req) @@ -456,7 +459,39 @@ func (c *rpcClient) getBatchCopStreamResponse(ctx context.Context, client tikvpb } copStream.BatchResponse = first return resp, nil +} +func (c *rpcClient) getMPPStreamResponse(ctx context.Context, client tikvpb.TikvClient, req *tikvrpc.Request, timeout time.Duration, connArray *connArray) (*tikvrpc.Response, error) { + // MPP streaming request. + // Use context to support timeout for grpc streaming client. + ctx1, cancel := context.WithCancel(ctx) + // Should NOT call defer cancel() here because it will cancel further stream.Recv() + // We put it in copStream.Lease.Cancel call this cancel at copStream.Close + // TODO: add unit test for SendRequest. + resp, err := tikvrpc.CallRPC(ctx1, client, req) + if err != nil { + cancel() + return nil, errors.Trace(err) + } + + // Put the lease object to the timeout channel, so it would be checked periodically. + copStream := resp.Resp.(*tikvrpc.MPPStreamResponse) + copStream.Timeout = timeout + copStream.Lease.Cancel = cancel + connArray.streamTimeout <- &copStream.Lease + + // Read the first streaming response to get CopStreamResponse. + // This can make error handling much easier, because SendReq() retry on + // region error automatically. + var first *mpp.MPPDataPacket + first, err = copStream.Recv() + if err != nil { + if errors.Cause(err) != io.EOF { + return nil, errors.Trace(err) + } + } + copStream.MPPDataPacket = first + return resp, nil } func (c *rpcClient) Close() error { diff --git a/store/tikv/kv.go b/store/tikv/kv.go index eb7ed37b10256..c03850b2ab5f2 100644 --- a/store/tikv/kv.go +++ b/store/tikv/kv.go @@ -410,6 +410,12 @@ func (s *tikvStore) GetClient() kv.Client { } } +func (s *tikvStore) GetMPPClient() kv.MPPClient { + return &MPPClient{ + store: s, + } +} + func (s *tikvStore) GetOracle() oracle.Oracle { return s.oracle } diff --git a/store/tikv/mpp.go b/store/tikv/mpp.go new file mode 100644 index 0000000000000..9f6abba7cbc28 --- /dev/null +++ b/store/tikv/mpp.go @@ -0,0 +1,338 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package tikv + +import ( + "context" + "io" + "sync" + "sync/atomic" + "time" + + "github.com/pingcap/errors" + "github.com/pingcap/kvproto/pkg/coprocessor" + "github.com/pingcap/kvproto/pkg/kvrpcpb" + "github.com/pingcap/kvproto/pkg/metapb" + "github.com/pingcap/kvproto/pkg/mpp" + "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/store/tikv/tikvrpc" + "github.com/pingcap/tidb/util/logutil" + "go.uber.org/zap" +) + +// MPPClient servers MPP requests. +type MPPClient struct { + store *tikvStore +} + +// GetAddress returns the network address. +func (c *batchCopTask) GetAddress() string { + return c.storeAddr +} + +// ConstructMPPTasks receives ScheduleRequest, which are actually collects of kv ranges. We allocates MPPTask for them and returns. +func (c *MPPClient) ConstructMPPTasks(ctx context.Context, req *kv.MPPBuildTasksRequest) ([]kv.MPPTask, error) { + ctx = context.WithValue(ctx, txnStartKey, req.StartTS) + bo := NewBackofferWithVars(ctx, copBuildTaskMaxBackoff, nil) + tasks, err := buildBatchCopTasks(bo, c.store.regionCache, &copRanges{mid: req.KeyRanges}, kv.TiFlash) + if err != nil { + return nil, errors.Trace(err) + } + mppTasks := make([]kv.MPPTask, 0, len(tasks)) + for _, copTask := range tasks { + mppTasks = append(mppTasks, copTask) + } + return mppTasks, nil +} + +// mppResponse wraps mpp data packet. +type mppResponse struct { + pbResp *mpp.MPPDataPacket + + err error +} + +// GetData implements the kv.ResultSubset GetData interface. +func (m *mppResponse) GetData() []byte { + return m.pbResp.Data +} + +// GetStartKey implements the kv.ResultSubset GetStartKey interface. +func (m *mppResponse) GetStartKey() kv.Key { + return nil +} + +// GetExecDetails is unavailable currently. +func (m *mppResponse) GetCopRuntimeStats() *CopRuntimeStats { + return nil +} + +// MemSize returns how many bytes of memory this response use +func (m *mppResponse) MemSize() int64 { + return int64(m.pbResp.Size()) +} + +func (m *mppResponse) RespTime() time.Duration { + return 0 +} + +type mppIterator struct { + store *tikvStore + + tasks []*kv.MPPDispatchRequest + finishCh chan struct{} + + startTs uint64 + + respChan chan *mppResponse + + rpcCancel *RPCCanceller + + wg sync.WaitGroup + + closed uint32 +} + +func (m *mppIterator) run(ctx context.Context) { + for _, task := range m.tasks { + m.wg.Add(1) + bo := NewBackoffer(ctx, copNextMaxBackoff) + go m.handleDispatchReq(ctx, bo, task) + } + m.wg.Wait() + close(m.respChan) +} + +func (m *mppIterator) sendError(err error) { + m.sendToRespCh(&mppResponse{err: err}) +} + +func (m *mppIterator) sendToRespCh(resp *mppResponse) (exit bool) { + select { + case m.respChan <- resp: + case <-m.finishCh: + exit = true + } + return +} + +// TODO:: Consider that which way is better: +// - dispatch all tasks at once, and connect tasks at second. +// - dispatch tasks and establish connection at the same time. +func (m *mppIterator) handleDispatchReq(ctx context.Context, bo *Backoffer, req *kv.MPPDispatchRequest) { + defer func() { + m.wg.Done() + }() + sender := NewRegionBatchRequestSender(m.store.regionCache, m.store.client) + var regionInfos []*coprocessor.RegionInfo + originalTask := req.Task.(*batchCopTask) + for _, task := range originalTask.copTasks { + regionInfos = append(regionInfos, &coprocessor.RegionInfo{ + RegionId: task.task.region.id, + RegionEpoch: &metapb.RegionEpoch{ + ConfVer: task.task.region.confVer, + Version: task.task.region.ver, + }, + Ranges: task.task.ranges.toPBRanges(), + }) + } + + // meta for current task. + taskMeta := &mpp.TaskMeta{StartTs: req.StartTs, TaskId: req.ID, Address: originalTask.storeAddr} + + mppReq := &mpp.DispatchTaskRequest{ + Meta: taskMeta, + EncodedPlan: req.Data, + // TODO: This is only an experience value. It's better to be configurable. + Timeout: 60, + SchemaVer: req.SchemaVar, + Regions: regionInfos, + } + + wrappedReq := tikvrpc.NewRequest(tikvrpc.CmdMPPTask, mppReq, kvrpcpb.Context{}) + wrappedReq.StoreTp = kv.TiFlash + + // TODO: Handle dispatch task response correctly, including retry logic and cancel logic. + rpcResp, _, _, err := sender.sendStreamReqToAddr(bo, originalTask.copTasks, wrappedReq, ReadTimeoutMedium) + + if err != nil { + m.sendError(err) + return + } + + // No matter what the rpc error is, we won't retry the mpp dispatch tasks. + // TODO: If we want to retry, we must redo the plan fragment cutting and task scheduling. + // That's a hard job but we can try it in the future. + if sender.rpcError != nil { + m.sendError(sender.rpcError) + return + } + + realResp := rpcResp.Resp.(*mpp.DispatchTaskResponse) + + if realResp.Error != nil { + m.sendError(errors.New(realResp.Error.Msg)) + return + } + + if !req.IsRoot { + return + } + + m.establishMPPConns(bo, req, taskMeta) +} + +func (m *mppIterator) establishMPPConns(bo *Backoffer, req *kv.MPPDispatchRequest, taskMeta *mpp.TaskMeta) { + connReq := &mpp.EstablishMPPConnectionRequest{ + SenderMeta: taskMeta, + ReceiverMeta: &mpp.TaskMeta{ + StartTs: req.StartTs, + TaskId: -1, + }, + } + + wrappedReq := tikvrpc.NewRequest(tikvrpc.CmdMPPConn, connReq, kvrpcpb.Context{}) + wrappedReq.StoreTp = kv.TiFlash + + // Drain result from root task. + // We don't need to process any special error. When we meet errors, just let it fail. + rpcResp, err := m.store.client.SendRequest(bo.ctx, req.Task.GetAddress(), wrappedReq, ReadTimeoutUltraLong) + + if err != nil { + m.sendError(err) + return + } + + stream := rpcResp.Resp.(*tikvrpc.MPPStreamResponse) + defer stream.Close() + + resp := stream.MPPDataPacket + if resp == nil { + return + } + + // TODO: cancel the whole process when some error happens + for { + err := m.handleMPPStreamResponse(resp, req) + if err != nil { + m.sendError(err) + return + } + resp, err = stream.Recv() + if err != nil { + if errors.Cause(err) == io.EOF { + return + } + + if err1 := bo.Backoff(boTiKVRPC, errors.Errorf("recv stream response error: %v", err)); err1 != nil { + if errors.Cause(err) == context.Canceled { + logutil.BgLogger().Info("stream recv timeout", zap.Error(err)) + } else { + logutil.BgLogger().Info("stream unknown error", zap.Error(err)) + } + } + m.sendToRespCh(&mppResponse{ + err: errors.New(resp.Error.Msg), + }) + return + } + } +} + +// TODO: Test the case that user cancels the query. +func (m *mppIterator) Close() error { + if atomic.CompareAndSwapUint32(&m.closed, 0, 1) { + close(m.finishCh) + } + m.rpcCancel.CancelAll() + m.wg.Wait() + return nil +} + +func (m *mppIterator) handleMPPStreamResponse(response *mpp.MPPDataPacket, req *kv.MPPDispatchRequest) (err error) { + if response.Error != nil { + err = errors.Errorf("other error for mpp stream: %s", response.Error.Msg) + logutil.BgLogger().Warn("other error", + zap.Uint64("txnStartTS", req.StartTs), + zap.String("storeAddr", req.Task.GetAddress()), + zap.Error(err)) + return err + } + + resp := &mppResponse{ + pbResp: response, + } + + m.sendToRespCh(resp) + return +} + +func (m *mppIterator) nextImpl(ctx context.Context) (resp *mppResponse, ok bool, exit bool, err error) { + ticker := time.NewTicker(3 * time.Second) + defer ticker.Stop() + for { + select { + case resp, ok = <-m.respChan: + return + case <-ticker.C: + //TODO: kill query + case <-m.finishCh: + exit = true + return + case <-ctx.Done(): + if atomic.CompareAndSwapUint32(&m.closed, 0, 1) { + close(m.finishCh) + } + exit = true + return + } + } +} + +func (m *mppIterator) Next(ctx context.Context) (kv.ResultSubset, error) { + resp, ok, closed, err := m.nextImpl(ctx) + if err != nil { + return nil, errors.Trace(err) + } + if !ok || closed { + return nil, nil + } + + if resp.err != nil { + return nil, errors.Trace(resp.err) + } + + err = m.store.CheckVisibility(m.startTs) + if err != nil { + return nil, errors.Trace(err) + } + return resp, nil +} + +// DispatchMPPTasks dispatches all the mpp task and waits for the reponses. +func (c *MPPClient) DispatchMPPTasks(ctx context.Context, dispatchReqs []*kv.MPPDispatchRequest) kv.Response { + iter := &mppIterator{ + store: c.store, + tasks: dispatchReqs, + finishCh: make(chan struct{}), + rpcCancel: NewRPCanceller(), + respChan: make(chan *mppResponse, 4096), + startTs: dispatchReqs[0].StartTs, + } + ctx = context.WithValue(ctx, RPCCancellerCtxKey{}, iter.rpcCancel) + + // TODO: Process the case of query cancellation. + go iter.run(ctx) + return iter +} diff --git a/store/tikv/region_request_test.go b/store/tikv/region_request_test.go index b2e1812275cf6..a3b83d626db52 100644 --- a/store/tikv/region_request_test.go +++ b/store/tikv/region_request_test.go @@ -25,6 +25,7 @@ import ( "github.com/pingcap/kvproto/pkg/coprocessor" "github.com/pingcap/kvproto/pkg/errorpb" "github.com/pingcap/kvproto/pkg/kvrpcpb" + "github.com/pingcap/kvproto/pkg/mpp" "github.com/pingcap/kvproto/pkg/tikvpb" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" @@ -423,6 +424,15 @@ func (s *mockTikvGrpcServer) Coprocessor(context.Context, *coprocessor.Request) func (s *mockTikvGrpcServer) BatchCoprocessor(*coprocessor.BatchRequest, tikvpb.Tikv_BatchCoprocessorServer) error { return errors.New("unreachable") } +func (s *mockTikvGrpcServer) DispatchMPPTask(context.Context, *mpp.DispatchTaskRequest) (*mpp.DispatchTaskResponse, error) { + return nil, errors.New("unreachable") +} +func (s *mockTikvGrpcServer) EstablishMPPConnection(*mpp.EstablishMPPConnectionRequest, tikvpb.Tikv_EstablishMPPConnectionServer) error { + return errors.New("unreachable") +} +func (s *mockTikvGrpcServer) CancelMPPTask(context.Context, *mpp.CancelTaskRequest) (*mpp.CancelTaskResponse, error) { + return nil, errors.New("unreachable") +} func (s *mockTikvGrpcServer) Raft(tikvpb.Tikv_RaftServer) error { return errors.New("unreachable") } diff --git a/store/tikv/tikvrpc/tikvrpc.go b/store/tikv/tikvrpc/tikvrpc.go index c5272f43994a9..31cc377e3b24f 100644 --- a/store/tikv/tikvrpc/tikvrpc.go +++ b/store/tikv/tikvrpc/tikvrpc.go @@ -25,6 +25,7 @@ import ( "github.com/pingcap/kvproto/pkg/errorpb" "github.com/pingcap/kvproto/pkg/kvrpcpb" "github.com/pingcap/kvproto/pkg/metapb" + "github.com/pingcap/kvproto/pkg/mpp" "github.com/pingcap/kvproto/pkg/tikvpb" "github.com/pingcap/tidb/kv" ) @@ -70,6 +71,8 @@ const ( CmdCop CmdType = 512 + iota CmdCopStream CmdBatchCop + CmdMPPTask + CmdMPPConn CmdMvccGetByKey CmdType = 1024 + iota CmdMvccGetByStartTs @@ -140,6 +143,10 @@ func (t CmdType) String() string { return "CopStream" case CmdBatchCop: return "BatchCop" + case CmdMPPTask: + return "DispatchMPPTask" + case CmdMPPConn: + return "EstablishMPPConnection" case CmdMvccGetByKey: return "MvccGetByKey" case CmdMvccGetByStartTs: @@ -317,11 +324,21 @@ func (req *Request) Cop() *coprocessor.Request { return req.Req.(*coprocessor.Request) } -// BatchCop returns coprocessor request in request. +// BatchCop returns BatchCop request in request. func (req *Request) BatchCop() *coprocessor.BatchRequest { return req.Req.(*coprocessor.BatchRequest) } +// DispatchMPPTask returns dispatch task request in request. +func (req *Request) DispatchMPPTask() *mpp.DispatchTaskRequest { + return req.Req.(*mpp.DispatchTaskRequest) +} + +// EstablishMPPConn returns stablishMPPConnectionRequest in request. +func (req *Request) EstablishMPPConn() *mpp.EstablishMPPConnectionRequest { + return req.Req.(*mpp.EstablishMPPConnectionRequest) +} + // MvccGetByKey returns MvccGetByKeyRequest in request. func (req *Request) MvccGetByKey() *kvrpcpb.MvccGetByKeyRequest { return req.Req.(*kvrpcpb.MvccGetByKeyRequest) @@ -525,6 +542,14 @@ type BatchCopStreamResponse struct { Lease // Shared by this object and a background goroutine. } +// MPPStreamResponse is indeed a wrapped client that can receive data packet from tiflash mpp server. +type MPPStreamResponse struct { + tikvpb.Tikv_EstablishMPPConnectionClient + *mpp.MPPDataPacket + Timeout time.Duration + Lease +} + // SetContext set the Context field for the given req to the specified ctx. func SetContext(req *Request, region *metapb.Region, peer *metapb.Peer) error { ctx := &req.Context @@ -593,6 +618,8 @@ func SetContext(req *Request, region *metapb.Region, peer *metapb.Peer) error { req.Cop().Context = ctx case CmdBatchCop: req.BatchCop().Context = ctx + case CmdMPPTask: + // Dispatching MPP tasks don't need a region context, because it's a request for store but not region. case CmdMvccGetByKey: req.MvccGetByKey().Context = ctx case CmdMvccGetByStartTs: @@ -829,6 +856,14 @@ func CallRPC(ctx context.Context, client tikvpb.TikvClient, req *Request) (*Resp resp.Resp, err = client.PhysicalScanLock(ctx, req.PhysicalScanLock()) case CmdCop: resp.Resp, err = client.Coprocessor(ctx, req.Cop()) + case CmdMPPTask: + resp.Resp, err = client.DispatchMPPTask(ctx, req.DispatchMPPTask()) + case CmdMPPConn: + var streamClient tikvpb.Tikv_EstablishMPPConnectionClient + streamClient, err = client.EstablishMPPConnection(ctx, req.EstablishMPPConn()) + resp.Resp = &MPPStreamResponse{ + Tikv_EstablishMPPConnectionClient: streamClient, + } case CmdCopStream: var streamClient tikvpb.Tikv_CoprocessorStreamClient streamClient, err = client.CoprocessorStream(ctx, req.Cop()) @@ -915,7 +950,7 @@ func (resp *BatchCopStreamResponse) Recv() (*coprocessor.BatchResponse, error) { return ret, errors.Trace(err) } -// Close closes the CopStreamResponse object. +// Close closes the BatchCopStreamResponse object. func (resp *BatchCopStreamResponse) Close() { atomic.StoreInt64(&resp.Lease.deadline, 1) // We also call cancel here because CheckStreamTimeoutLoop @@ -925,6 +960,27 @@ func (resp *BatchCopStreamResponse) Close() { } } +// Recv overrides the stream client Recv() function. +func (resp *MPPStreamResponse) Recv() (*mpp.MPPDataPacket, error) { + deadline := time.Now().Add(resp.Timeout).UnixNano() + atomic.StoreInt64(&resp.Lease.deadline, deadline) + + ret, err := resp.Tikv_EstablishMPPConnectionClient.Recv() + + atomic.StoreInt64(&resp.Lease.deadline, 0) // Stop the lease check. + return ret, errors.Trace(err) +} + +// Close closes the MPPStreamResponse object. +func (resp *MPPStreamResponse) Close() { + atomic.StoreInt64(&resp.Lease.deadline, 1) + // We also call cancel here because CheckStreamTimeoutLoop + // is not guaranteed to cancel all items when it exits. + if resp.Lease.Cancel != nil { + resp.Lease.Cancel() + } +} + // CheckStreamTimeoutLoop runs periodically to check is there any stream request timeouted. // Lease is an object to track stream requests, call this function with "go CheckStreamTimeoutLoop()" // It is not guaranteed to call every Lease.Cancel() putting into channel when exits. diff --git a/util/mock/context.go b/util/mock/context.go index d46ffb570a333..ec774518948e8 100644 --- a/util/mock/context.go +++ b/util/mock/context.go @@ -114,6 +114,14 @@ func (c *Context) GetClient() kv.Client { return c.Store.GetClient() } +// GetMPPClient implements sessionctx.Context GetMPPClient interface. +func (c *Context) GetMPPClient() kv.MPPClient { + if c.Store == nil { + return nil + } + return c.Store.GetMPPClient() +} + // GetGlobalSysVar implements GlobalVarAccessor GetGlobalSysVar interface. func (c *Context) GetGlobalSysVar(ctx sessionctx.Context, name string) (string, error) { v := variable.GetSysVar(name) diff --git a/util/mock/store.go b/util/mock/store.go index 76d3974b38448..ff33f1d9f9261 100644 --- a/util/mock/store.go +++ b/util/mock/store.go @@ -28,6 +28,9 @@ type Store struct { // GetClient implements kv.Storage interface. func (s *Store) GetClient() kv.Client { return s.Client } +// GetMPPClient implements kv.Storage interface. +func (s *Store) GetMPPClient() kv.MPPClient { return nil } + // GetOracle implements kv.Storage interface. func (s *Store) GetOracle() oracle.Oracle { return nil } diff --git a/util/plancodec/id.go b/util/plancodec/id.go index 219f2cfabedd0..b827b79b49f0d 100644 --- a/util/plancodec/id.go +++ b/util/plancodec/id.go @@ -54,6 +54,10 @@ const ( TypeHashJoin = "HashJoin" // TypeBroadcastJoin is the type of broad cast join. TypeBroadcastJoin = "BroadcastJoin" + // TypeExchangeSender is the type of mpp exchanger sender. + TypeExchangeSender = "ExchangeSender" + // TypeExchangeReceiver is the type of mpp exchanger receiver. + TypeExchangeReceiver = "ExchangeReceiver" // TypeMergeJoin is the type of merge join. TypeMergeJoin = "MergeJoin" // TypeIndexJoin is the type of index look up join. From 64070f42f416ac93b5cef1021bb1dcdeab6badbe Mon Sep 17 00:00:00 2001 From: Yuanjia Zhang Date: Mon, 26 Oct 2020 15:56:40 +0800 Subject: [PATCH 0078/1021] executor: add some unit tests for the Apply operator (#20422) --- executor/apply_cache.go | 25 +- executor/parallel_apply.go | 5 - executor/parallel_apply_test.go | 522 +++++++++++++++++++++++++++++++- 3 files changed, 532 insertions(+), 20 deletions(-) diff --git a/executor/apply_cache.go b/executor/apply_cache.go index d691997576dc0..1c3ff0b742b1f 100644 --- a/executor/apply_cache.go +++ b/executor/apply_cache.go @@ -14,6 +14,8 @@ package executor import ( + "sync" + "github.com/cznic/mathutil" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/util/chunk" @@ -24,7 +26,8 @@ import ( // applyCache is used in the apply executor. When we get the same value of the outer row. // We fetch the inner rows in the cache not to fetch them in the inner executor. type applyCache struct { - cache *kvcache.SimpleLRUCache + lock sync.Mutex + cache *kvcache.SimpleLRUCache // cache.Get/Put are not thread-safe, so it's protected by the lock above memCapacity int64 memTracker *memory.Tracker // track memory usage. } @@ -51,9 +54,21 @@ func newApplyCache(ctx sessionctx.Context) (*applyCache, error) { return &c, nil } -// Get gets a cache item according to cache key. +func (c *applyCache) get(key applyCacheKey) (value kvcache.Value, ok bool) { + c.lock.Lock() + defer c.lock.Unlock() + return c.cache.Get(key) +} + +func (c *applyCache) put(key applyCacheKey, val kvcache.Value) { + c.lock.Lock() + defer c.lock.Unlock() + c.cache.Put(key, val) +} + +// Get gets a cache item according to cache key. It's thread-safe. func (c *applyCache) Get(key applyCacheKey) (*chunk.List, error) { - value, hit := c.cache.Get(&key) + value, hit := c.get(key) if !hit { return nil, nil } @@ -61,7 +76,7 @@ func (c *applyCache) Get(key applyCacheKey) (*chunk.List, error) { return typedValue, nil } -// Set inserts an item to the cache. +// Set inserts an item to the cache. It's thread-safe. func (c *applyCache) Set(key applyCacheKey, value *chunk.List) (bool, error) { mem := applyCacheKVMem(key, value) if mem > c.memCapacity { // ignore this kv pair if its size is too large @@ -75,7 +90,7 @@ func (c *applyCache) Set(key applyCacheKey, value *chunk.List) (bool, error) { c.memTracker.Consume(-applyCacheKVMem(evictedKey.(applyCacheKey), evictedValue.(*chunk.List))) } c.memTracker.Consume(mem) - c.cache.Put(key, value) + c.put(key, value) return true, nil } diff --git a/executor/parallel_apply.go b/executor/parallel_apply.go index 7b16ab3404b00..4b3fb46118c72 100644 --- a/executor/parallel_apply.go +++ b/executor/parallel_apply.go @@ -81,7 +81,6 @@ type ParallelNestedLoopApplyExec struct { useCache bool cacheHitCounter int64 cacheAccessCounter int64 - cacheLock sync.RWMutex memTracker *memory.Tracker // track memory usage. } @@ -277,9 +276,7 @@ func (e *ParallelNestedLoopApplyExec) fetchAllInners(ctx context.Context, id int } if e.useCache { // look up the cache atomic.AddInt64(&e.cacheAccessCounter, 1) - e.cacheLock.RLock() value, err := e.cache.Get(key) - e.cacheLock.RUnlock() if err != nil { return err } @@ -325,8 +322,6 @@ func (e *ParallelNestedLoopApplyExec) fetchAllInners(ctx context.Context, id int } if e.useCache { // update the cache - e.cacheLock.Lock() - defer e.cacheLock.Unlock() if _, err := e.cache.Set(key, e.innerList[id]); err != nil { return err } diff --git a/executor/parallel_apply_test.go b/executor/parallel_apply_test.go index 21ae0471621ca..07317432dfe68 100644 --- a/executor/parallel_apply_test.go +++ b/executor/parallel_apply_test.go @@ -18,23 +18,29 @@ import ( "strings" . "github.com/pingcap/check" + "github.com/pingcap/tidb/planner/core" + "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/testkit" ) -func checkApplyPlan(c *C, tk *testkit.TestKit, sql string, enabled bool) { +func checkApplyPlan(c *C, tk *testkit.TestKit, sql string, parallel int) { results := tk.MustQuery("explain analyze " + sql) - first := true + containApply := false for _, row := range results.Rows() { line := fmt.Sprintf("%v", row) if strings.Contains(line, "Apply") { - if enabled && first { - c.Assert(strings.Contains(line, "Concurrency"), IsTrue) - first = false - } else { - c.Assert(strings.Contains(line, "Concurrency"), IsFalse) + if parallel > 0 { // check the concurrency if parallel is larger than 0 + str := "Concurrency:" + if parallel > 1 { + str += fmt.Sprintf("%v", parallel) + } + c.Assert(strings.Contains(line, str), IsTrue) } + containApply = true + break } } + c.Assert(containApply, IsTrue) return } @@ -45,13 +51,509 @@ func (s *testSuite) TestParallelApply(c *C) { tk.MustExec("insert into t values (0, 0), (1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6), (7, 7), (8, 8), (9, 9), (null, null)") q1 := "select t1.b from t t1 where t1.b > (select max(b) from t t2 where t1.a > t2.a)" - checkApplyPlan(c, tk, q1, false) + checkApplyPlan(c, tk, q1, 0) tk.MustQuery(q1).Sort().Check(testkit.Rows("1", "2", "3", "4", "5", "6", "7", "8", "9")) tk.MustExec("set tidb_enable_parallel_apply=true") - checkApplyPlan(c, tk, q1, true) + checkApplyPlan(c, tk, q1, 1) tk.MustQuery(q1).Sort().Check(testkit.Rows("1", "2", "3", "4", "5", "6", "7", "8", "9")) q2 := "select * from t t0 where t0.b <= (select max(t1.b) from t t1 where t1.b > (select max(b) from t t2 where t1.a > t2.a and t0.a > t2.a));" - checkApplyPlan(c, tk, q2, true) // only the outside apply can be parallel + checkApplyPlan(c, tk, q2, 1) // only the outside apply can be parallel tk.MustQuery(q2).Sort().Check(testkit.Rows("1 1", "2 2", "3 3", "4 4", "5 5", "6 6", "7 7", "8 8", "9 9")) } + +func (s *testSuite) TestApplyColumnType(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("set tidb_enable_parallel_apply=true") + + // int + tk.MustExec("create table t(a int, b int)") + tk.MustExec("create table t1(a int, b int)") + tk.MustExec("insert into t values(1,1), (2,2), (5,5), (2, 4), (5, 2), (9, 4)") + tk.MustExec("insert into t1 values(2, 3), (4, 9), (10, 4), (1, 10)") + sql := "select * from t where t.b > (select min(t1.b) from t1 where t1.a > t.a)" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("5 5")) + + // varchar + tk.MustExec("drop table t, t1") + tk.MustExec("create table t1(a varchar(255), b varchar(255))") + tk.MustExec("create table t2(a varchar(255))") + tk.MustExec(`insert into t1 values("aa", "bb"), ("aa", "tikv"), ("bb", "cc"), ("bb", "ee")`) + tk.MustExec(`insert into t2 values("kk"), ("aa"), ("dd"), ("bb")`) + sql = "select (select min(t2.a) from t2 where t2.a > t1.a) from t1" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("bb", "bb", "dd", "dd")) + + // bit + tk.MustExec("drop table t1, t2") + tk.MustExec("create table t1(a bit(10), b int)") + tk.MustExec("create table t2(a bit(10), b int)") + tk.MustExec(`insert into t1 values ('1', 1), ('2', 2), ('3', 3), ('4', 4), ('1', 1), ('2', 2), ('3', 3), ('4', 4)`) + tk.MustExec(`insert into t2 values ('1', 1), ('2', 2), ('3', 3), ('4', 4), ('1', 1), ('2', 2), ('3', 3), ('4', 4)`) + sql = "select b from t1 where t1.b > (select min(t2.b) from t2 where t2.a < t1.a)" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("2", "2", "3", "3", "4", "4")) + + // char + tk.MustExec("drop table t1, t2") + tk.MustExec("create table t1(a char(25), b int)") + tk.MustExec("create table t2(a char(10), b int)") + tk.MustExec(`insert into t1 values("abc", 1), ("abc", "5"), ("fff", 4), ("fff", 9), ("tidb", 6), ("tidb", 5)`) + tk.MustExec(`insert into t2 values()`) + sql = "select t1.b from t1 where t1.b > (select max(t2.b) from t2 where t2.a > t1.a)" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows()) + + // double + tk.MustExec("drop table t1, t2") + tk.MustExec("create table t1(a int, b double)") + tk.MustExec("create table t2(a int, b double)") + tk.MustExec("insert into t1 values(1, 2.12), (1, 1.11), (2, 3), (2, 4.56), (5, 55), (5, -4)") + tk.MustExec("insert into t2 values(1, 3.22), (3, 4.5), (5, 2.3), (4, 5.55)") + sql = "select * from t1 where t1.a < (select avg(t2.a) from t2 where t2.b > t1.b)" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("1 1.11", "1 2.12", "2 3", "2 4.56")) + + // date + tk.MustExec("drop table t1, t2") + tk.MustExec("create table t1(a date, b int, c int)") + tk.MustExec("create table t2(a date, b int)") + tk.MustExec(`insert into t1 values("2020-01-01", 3, 4), ("2020-01-01", 4, 5), ("2020-01-01", 4, 3), ("2020-02-01", 7, 7), ("2020-02-01", 6, 6)`) + tk.MustExec(`insert into t2 values("2020-01-02", 4), ("2020-02-02", 8), ("2020-02-02", 7)`) + sql = "select * from t1 where t1.b >= (select min(t2.b) from t2 where t2.a > t1.a) and t1.c >= (select min(t2.b) from t2 where t2.a > t1.a)" + tk.MustQuery(sql).Sort().Check(testkit.Rows("2020-01-01 4 5", "2020-02-01 7 7")) + + // datetime + tk.MustExec("drop table t1, t2") + tk.MustExec("create table t1(a datetime, b int)") + tk.MustExec("create table t2(a datetime, b int)") + tk.MustExec(`insert into t1 values("2020-01-01 00:00:00", 1), ("2020-01-01 00:00:00", 2), ("2020-06-06 00:00:00", 3), ("2020-06-06 00:00:00", 4), ("2020-09-08 00:00:00", 4)`) + tk.MustExec(`insert into t2 values("2020-01-01 00:00:00", 1), ("2020-01-01 00:00:01", 2), ("2020-08-20 00:00:00", 4)`) + sql = "select b from t1 where t1.b >= (select max(t2.b) from t2 where t2.a > t1.a)" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("4")) + + // timestamp + tk.MustExec("drop table t1, t2") + tk.MustExec("create table t1(a timestamp, b int)") + tk.MustExec("create table t2(a timestamp, b int)") + tk.MustExec(`insert into t1 values("2020-01-01 00:00:00", 1), ("2020-01-01 00:00:00", 2), ("2020-06-06 00:00:00", 3), ("2020-06-06 00:00:00", 4), ("2020-09-08 00:00:00", 4)`) + tk.MustExec(`insert into t2 values("2020-01-01 00:00:00", 1), ("2020-01-01 00:00:01", 2), ("2020-08-20 00:00:00", 4)`) + sql = "select b from t1 where t1.b >= (select max(t2.b) from t2 where t2.a > t1.a)" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("4")) +} + +func (s *testSuite) TestApplyMultiColumnType(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("set tidb_enable_parallel_apply=true") + + // int & int + tk.MustExec("create table t1(a int, b int)") + tk.MustExec("create table t2(a int, b int)") + tk.MustExec("insert into t1 values (1, 1), (1, 1), (2, 2), (2, 3), (2, 3), (1, 1), (1, 1), (2, 2), (2, 3), (2, 3)") + tk.MustExec("insert into t2 values (2, 2), (3,3), (-1, 1), (5, 4), (2, 2), (3,3), (-1, 1), (5, 4)") + sql := "select (select count(*) from t2 where t2.a > t1.a and t2.b > t1.a) from t1" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("4", "4", "4", "4", "4", "4", "6", "6", "6", "6")) + + // int & char + tk.MustExec("drop table t1, t2") + tk.MustExec("create table t1(a int, b char(20))") + tk.MustExec("create table t2(a int, b char(20))") + tk.MustExec(`insert into t1 values (1, "a"), (2, "b"), (3, "c"), (1, "a"), (2, "b"), (3, "c")`) + tk.MustExec(`insert into t2 values (1, "a"), (2, "b"), (3, "c"), (1, "a"), (2, "b"), (3, "c")`) + sql = "select (select sum(t2.a) from t2 where t2.a > t1.a or t2.b < t1.b) from t1" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("10", "10", "6", "6", "8", "8")) + + // int & bit + tk.MustExec("drop table t1, t2") + tk.MustExec("create table t1(a int, b bit(10), c int)") + tk.MustExec("create table t2(a int, b int, c int)") + tk.MustExec(`insert into t1 values (1, '1', 1), (2, '2', 4), (3, '3', 6), (4, '4', 8), (1, '1', 1), (2, '2', 4), (3, '3', 6), (4, '4', 8)`) + tk.MustExec(`insert into t2 values (1, 1111, 11), (2, 2222, 22), (1, 1111, 11), (2, 2222, 22)`) + sql = "select a, c from t1 where (select max(t2.c) from t2 where t2.a > t1.a and t2.b > t1.b) > 4" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("1 1", "1 1")) + + // char & char + tk.MustExec("drop table t1, t2") + tk.MustExec("create table t1(a char(20), b varchar(255))") + tk.MustExec("create table t2(a char(20), b varchar(255))") + tk.MustExec(`insert into t1 values ('7', '7'), ('8', '8'), ('9', '9'), ('7', '7'), ('8', '8'), ('9', '9')`) + tk.MustExec(`insert into t2 values ('7', '7'), ('8', '8'), ('9', '9'), ('7', '7'), ('8', '8'), ('9', '9')`) + sql = "select count(*) from t1 where (select sum(t2.a) from t2 where t2.a >= t1.a and t2.b >= t1.b) > 4" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("6")) + + // enum & char + tk.MustExec("drop table t1, t2") + tk.MustExec(`create table t1(a varchar(20), b enum("a", "b", "c", "d", "e","f"))`) + tk.MustExec("create table t2(a varchar(20), b int)") + tk.MustExec(`insert into t1 values ('1', 'a'), ('2', 'b'), ('3', 'c'), ('1', 'a'), ('2', 'b'), ('3', 'c')`) + tk.MustExec(`insert into t2 values ('1', 100), ('2', 200), ('3', 300), ('4', 400), ('1', 100), ('2', 200), ('3', 300), ('4', 400)`) + sql = "select * from t1 where (select sum(t2.b) from t2 where t2.a > t1.a and t2.b * 2 > t1.b) > 0" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("1 a", "1 a", "2 b", "2 b", "3 c", "3 c")) + + // char & bit + tk.MustExec("drop table t1, t2") + tk.MustExec("create table t1(a varchar(20), b bit(10))") + tk.MustExec("create table t2(a varchar(20), b int)") + tk.MustExec("insert into t1 values ('1', '1'), ('2', '2'), ('3', '3'), ('4', '4'), ('1', '1'), ('2', '2'), ('3', '3'), ('4', '4')") + tk.MustExec("insert into t2 values ('1', 1), ('2', 2), ('3', 3), ('4', 4), ('1', 1), ('2', 2), ('3', 3), ('4', 4)") + sql = "select a from t1 where (select sum(t2.b) from t2 where t2.a > t1.a and t2.b < t1.b) > 4" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("1", "1", "2", "2", "3", "3")) + + // int & double + tk.MustExec("drop table t1, t2") + tk.MustExec("create table t1 (a int, b double)") + tk.MustExec("create table t2 (a int, b double)") + tk.MustExec("insert into t1 values (1, 1.1), (2, 2.2), (3, 3.3), (4, 4.4), (1, 1.1), (2, 2.2), (3, 3.3), (4, 4.4)") + tk.MustExec("insert into t2 values (1, 1.1), (2, 2.2), (3, 3.3), (4, 4.4), (1, 1.1), (2, 2.2), (3, 3.3), (4, 4.4)") + sql = "select * from t1 where (select min(t2.a) from t2 where t2.a < t1.a and t2.a > 1 and t2.b < t1.b) > 0" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("3 3.3", "3 3.3", "4 4.4", "4 4.4")) + + // int & datetime + tk.MustExec("drop table t1, t2") + tk.MustExec("create table t1(a int, b datetime)") + tk.MustExec("create table t2(a int, b datetime)") + tk.MustExec(`insert into t1 values (1, "2020-01-01"), (2, "2020-02-02"), (3, "2020-03-03"), (1, "2020-01-01"), (2, "2020-02-02"), (3, "2020-03-03")`) + tk.MustExec(`insert into t2 values (1, "2020-01-01"), (2, "2020-02-02"), (3, "2020-03-03"), (1, "2020-01-01"), (2, "2020-02-02"), (3, "2020-03-03")`) + sql = `select * from t1 where (select count(*) from t2 where t2.a >= t1.a and t2.b between t1.b and "2020-09-07 00:00:00") > 1` + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("1 2020-01-01 00:00:00", "1 2020-01-01 00:00:00", "2 2020-02-02 00:00:00", "2 2020-02-02 00:00:00", "3 2020-03-03 00:00:00", "3 2020-03-03 00:00:00")) + + // int & int & char + tk.MustExec("drop table t1, t2") + tk.MustExec("create table t1(a int, b int, c varchar(20))") + tk.MustExec("create table t2(a int, b int, c varchar(20))") + tk.MustExec("insert into t1 values (1, 1, '1'), (2, 2, '2'), (3, 3, '3'), (1, 1, '1'), (2, 2, '2'), (3, 3, '3')") + tk.MustExec("insert into t2 values (1, 1, '1'), (2, 2, '2'), (3, 3, '3'), (1, 1, '1'), (2, 2, '2'), (3, 3, '3')") + sql = "select (select min(t2.a) from t2 where t2.a > t1.a and t2.b > t1.b and t2.c > t1.c) from t1" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("2", "2", "3", "3", "", "")) +} + +func (s *testSuite) TestSetTiDBEnableParallelApply(c *C) { + // validate the tidb_enable_parallel_apply's value + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("set tidb_enable_parallel_apply=0") + tk.MustQuery("select @@tidb_enable_parallel_apply").Check(testkit.Rows("0")) + tk.MustExec("set tidb_enable_parallel_apply=1") + tk.MustQuery("select @@tidb_enable_parallel_apply").Check(testkit.Rows("1")) + tk.MustExec("set tidb_enable_parallel_apply=on") + tk.MustQuery("select @@tidb_enable_parallel_apply").Check(testkit.Rows("1")) + tk.MustExec("set tidb_enable_parallel_apply=off") + tk.MustQuery("select @@tidb_enable_parallel_apply").Check(testkit.Rows("0")) + c.Assert(tk.ExecToErr("set tidb_enable_parallel_apply=-1"), NotNil) + c.Assert(tk.ExecToErr("set tidb_enable_parallel_apply=2"), NotNil) + c.Assert(tk.ExecToErr("set tidb_enable_parallel_apply=1000"), NotNil) + c.Assert(tk.ExecToErr("set tidb_enable_parallel_apply='onnn'"), NotNil) +} + +func (s *testSuite) TestMultipleApply(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("set tidb_enable_parallel_apply=true") + + // compare apply with constant values + tk.MustExec("drop table if exists t1, t2") + tk.MustExec(`create table t1(a varchar(20), b enum("a", "b", "c", "d", "e","f"))`) + tk.MustExec("create table t2(a varchar(20), b int)") + tk.MustExec(`insert into t1 values ("1", "a"), ("2", "b"), ("3", "c"), ("4", "d"), ("1", "a"), ("2", "b"), ("3", "c"), ("4", "d")`) + tk.MustExec(`insert into t2 values ("1", 1), ("2", 2), ("3", 3), ("4", 4), ("1", 1), ("2", 2), ("3", 3), ("4", 4)`) + sql := "select * from t1 where (select sum(t2.b) from t2 where t2.a > t1.a) >= (select sum(t2.b) from t2 where t2.b > t1.b)" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("1 a", "1 a", "2 b", "2 b", "3 c", "3 c")) + + // 2 apply operators in where conditions + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a int, b double)") + tk.MustExec("create table t2(a int, b double)") + tk.MustExec("insert into t1 values (1, 1.1), (2, 2.2), (3, 3.3), (4, 4.4), (1, 1.1), (2, 2.2), (3, 3.3), (4, 4.4)") + tk.MustExec("insert into t2 values (1, 1.1), (2, 2.2), (3, 3.3), (4, 4.4), (1, 1.1), (2, 2.2), (3, 3.3), (4, 4.4)") + sql = "select * from t1 where (select min(t2.a) from t2 where t2.a < t1.a and t2.a > 1) * (select min(t2.a) from t2 where t2.b < t1.b) > 1" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("3 3.3", "3 3.3", "4 4.4", "4 4.4")) + + // 2 apply operators and compare it with constant values + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a varchar(20), b bit(10))") + tk.MustExec("create table t2(a varchar(20), b int)") + tk.MustExec("insert into t1 values ('1', '1'), ('2', '2'), ('3', '3'), ('4', '4'), ('1', '1'), ('2', '2'), ('3', '3'), ('4', '4')") + tk.MustExec("insert into t2 values ('1', 1111), ('2', 2222), ('3', 3333), ('4', 4444), ('1', 1111), ('2', 2222), ('3', 3333), ('4', 4444)") + sql = "select a from t1 where (select sum(t2.b) from t2 where t2.a > t1.a) > 4 and (select sum(t2.b) from t2 where t2.b > t1.b) > 4" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("1", "1", "2", "2", "3", "3")) + + // multiple fields and where conditions + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a int, b int, c varchar(20))") + tk.MustExec("create table t2(a int, b int, c varchar(20))") + tk.MustExec("insert into t1 values (1, 1, '1'), (2, 2, '2'), (3, 3, '3'), (4, 4, '4'), (1, 1, '1'), (2, 2, '2'), (3, 3, '3'), (4, 4, '4')") + tk.MustExec("insert into t2 values (1, 1, '1'), (2, 2, '2'), (3, 3, '3'), (4, 4, '4'), (1, 1, '1'), (2, 2, '2'), (3, 3, '3'), (4, 4, '4')") + sql = "select (select min(t2.a) from t2 where t2.a > t1.a and t2.b > t1.b), (select max(t2.a) from t2 where t2.a > t1.a and t2.b > t1.b) from t1 where (select count(*) from t2 where t2.c > t1.c) > 3" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("2 4", "2 4", "3 4", "3 4")) +} + +func (s *testSuite) TestApplyWithOtherOperators(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("set tidb_enable_parallel_apply=true") + + // hash join + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a int, b int)") + tk.MustExec("create table t2(a int, b int)") + tk.MustExec("insert into t1 values (1, 1), (2, 2), (3, 3), (1, 1), (2, 2), (3, 3)") + tk.MustExec("insert into t2 values (1, 1), (2, 2), (3, 3), (1, 1), (2, 2), (3, 3)") + sql := "select /*+ hash_join(t1) */ (select count(t2.b) from t2 where t1.a > t2.a) from t1, t2 where t1.a = t2.a" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("0", "0", "0", "0", "2", "2", "2", "2", "4", "4", "4", "4")) + + // merge join + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a double, b int)") + tk.MustExec("create table t2(a int, b int)") + tk.MustExec("insert into t1 values (1, 1), (2, 2), (3, 3), (1, 1), (2, 2), (3, 3)") + tk.MustExec("insert into t2 values (1, 1), (2, 2), (3, 3), (1, 1), (2, 2), (3, 3)") + sql = "select /*+ merge_join(t1) */ (select count(t2.b) from t2 where t1.a > t2.a) from t1, t2 where t1.a = t2.a" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("0", "0", "0", "0", "2", "2", "2", "2", "4", "4", "4", "4")) + + // index merge join + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a int primary key, b int)") + tk.MustExec("create table t2(a int, b int, index idx(a))") + tk.MustExec("insert into t1 values (1, 1), (2, 2), (3, 3)") + tk.MustExec("insert into t2 values (1, 1), (2, 2), (3, 3), (1, 1), (2, 2), (3, 3)") + sql = "select /*+ inl_merge_join(t1) */ (select count(t2.b) from t2 where t1.a > t2.a) from t1, t2 where t1.a = t2.a" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("0", "0", "2", "2", "4", "4")) + sql = "select /*+ inl_merge_join(t2) */ (select count(t2.b) from t2 where t1.a > t2.a) from t1, t2 where t1.a = t2.a" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("0", "0", "2", "2", "4", "4")) + + // index hash join + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a int, b int, index idx(a, b))") + tk.MustExec("create table t2(a int, b int, index idx(a))") + tk.MustExec("insert into t1 values (1, 1), (2, 2), (3, 3), (1, 1), (2, 2), (3, 3)") + tk.MustExec("insert into t2 values (1, 1), (2, 2), (3, 3), (1, 1), (2, 2), (3, 3)") + sql = "select /*+ inl_hash_join(t1) */ (select count(t2.b) from t2 where t1.a > t2.a) from t1, t2 where t1.a = t2.a" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("0", "0", "0", "0", "2", "2", "2", "2", "4", "4", "4", "4")) + sql = "select /*+ inl_hash_join(t2) */ (select count(t2.b) from t2 where t1.a > t2.a) from t1, t2 where t1.a = t2.a" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("0", "0", "0", "0", "2", "2", "2", "2", "4", "4", "4", "4")) + + // index join + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a int , b int, unique index idx(a))") + tk.MustExec("create table t2(a int, b int, unique index idx(a))") + tk.MustExec("insert into t1 values (1, 1), (2, 2), (3, 3)") + tk.MustExec("insert into t2 values (1, 1), (2, 2), (3, 3)") + sql = "select /*+ inl_join(t1) */ (select count(t2.b) from t2 where t1.a > t2.a) from t1, t2 where t1.a = t2.a" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("0", "1", "2")) + sql = "select /*+ inl_join(t2) */ (select count(t2.b) from t2 where t1.a > t2.a) from t1, t2 where t1.a = t2.a" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("0", "1", "2")) + + // index merge + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int, b int, c int, index idxa(a), unique index idxb(b))") + tk.MustExec("insert into t values (1, 1, 1), (2, 2, 2), (3, 3, 3), (4, 4, 4), (1, 5, 1), (2, 6, 2), (3, 7, 3), (4, 8, 4)") + sql = "select /*+ use_index_merge(t) */ * from t where (a > 0 or b < 0) and (select count(*) from t t1 where t1.c > t.a) > 0" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("1 1 1", "1 5 1", "2 2 2", "2 6 2", "3 3 3", "3 7 3")) + + // aggregation + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int, b int)") + tk.MustExec("insert into t values (1, 1), (2, 2), (3, 3), (4, 4), (1, 1), (2, 2), (3, 3), (4, 4)") + sql = "select /*+ stream_agg() */ a from t where (select count(*) from t1 where t1.b > t.a) > 1 group by a" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("1")) + sql = "select /*+ hash_agg() */ a from t where (select count(*) from t1 where t1.b > t.a) > 1 group by a" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("1")) +} + +func (s *testSuite) TestApplyWithOtherFeatures(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("set tidb_enable_parallel_apply=true") + + // collation 1 + collate.SetNewCollationEnabledForTest(true) + tk.MustExec("drop table if exists t, t1") + tk.MustExec("create table t(a varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci, b int)") + tk.MustExec("create table t1(a varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci, b int)") + tk.MustExec("insert into t values ('a', 1), ('A', 2), ('a', 3), ('A', 4)") + tk.MustExec("insert into t1 values ('a', 1), ('A', 2), ('a', 3), ('A', 4)") + sql := "select (select min(t1.b) from t1 where t1.a >= t.a), (select sum(t1.b) from t1 where t1.a >= t.a) from t" + tk.MustQuery(sql).Sort().Check(testkit.Rows("1 10", "1 10", "1 10", "1 10")) + + // collation 2 + sql = "select (select min(t1.b) from t1 where t1.a >= t.a and t1.b >= t.b), (select sum(t1.b) from t1 where t1.a >= t.a and t1.b >= t.b) from t" + tk.MustQuery(sql).Sort().Check(testkit.Rows("1 10", "2 9", "3 7", "4 4")) + collate.SetNewCollationEnabledForTest(false) + + // plan cache + orgEnable := core.PreparedPlanCacheEnabled() + core.SetPreparedPlanCache(true) + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a int, b int)") + tk.MustExec("create table t2(a int, b int)") + tk.MustExec("insert into t1 values (1, 1), (1, 5), (2, 3), (2, 4), (3, 3)") + tk.MustExec("insert into t2 values (0, 1), (2, -1), (3, 2)") + tk.MustExec(`prepare stmt from "select * from t1 where t1.b >= (select sum(t2.b) from t2 where t2.a > t1.a and t2.a > ?)"`) + tk.MustExec("set @a=1") + tk.MustQuery("execute stmt using @a").Sort().Check(testkit.Rows("1 1", "1 5", "2 3", "2 4")) + tk.MustExec("set @a=2") + tk.MustQuery("execute stmt using @a").Sort().Check(testkit.Rows("1 5", "2 3", "2 4")) + tk.MustQuery(" select @@last_plan_from_cache").Check(testkit.Rows("0")) // sub-queries are not cacheable + core.SetPreparedPlanCache(orgEnable) + + // cluster index + tk.MustExec("set @@tidb_enable_clustered_index = 1") + tk.MustExec("drop table if exists t, t2") + tk.MustExec("create table t(a int, b int, c int, primary key(a, b))") + tk.MustExec("create table t2(a int, b int, c int, primary key(a, c))") + tk.MustExec("insert into t values (1, 1, 1), (2, 2, 2), (3, 3, 3), (4, 4, 4)") + tk.MustExec("insert into t2 values (1, 1, 1), (2, 2, 2), (3, 3, 3), (4, 4, 4)") + sql = "select * from t where (select min(t2.b) from t2 where t2.a > t.a) > 0" + tk.MustQuery(sql).Sort().Check(testkit.Rows("1 1 1", "2 2 2", "3 3 3")) + tk.MustExec("set @@tidb_enable_clustered_index = 0") + + // partitioning table + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a int, b int) partition by range(a) (partition p0 values less than(10), partition p1 values less than(20), partition p2 values less than(30), partition p3 values less than(40))") + tk.MustExec("create table t2(a int, b int) partition by hash(a) partitions 4") + tk.MustExec("insert into t1 values (5, 5), (15, 15), (25, 25), (35, 35)") + tk.MustExec("insert into t2 values (5, 5), (15, 15), (25, 25), (35, 35)") + sql = "select (select count(*) from t2 where t2.a > t1.b and t2.a=20), (select max(t2.b) from t2 where t2.a between t1.a and 20) from t1 where t1.a > 10" + tk.MustQuery(sql).Sort().Check(testkit.Rows("0 15", "0 ", "0 ")) +} + +func (s *testSuite) TestApplyInDML(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("set tidb_enable_parallel_apply=true") + + // delete + tk.MustExec("drop table if exists t, t2") + tk.MustExec("create table t(a bigint, b int)") + tk.MustExec("create table t2(a int, b int)") + tk.MustExec("insert into t values (1, 1), (2, 2), (3, 3), (4, 4), (1, 1), (2, 2), (3, 3), (4, 4)") + tk.MustExec("insert into t2 values (1, 1), (2, 2), (3, 3), (4, 4), (1, 1), (2, 2), (3, 3), (4, 4)") + tk.MustExec("delete from t where (select min(t2.a) * 2 from t2 where t2.a < t.a) > 1") + tk.MustQuery("select * from t").Sort().Check(testkit.Rows("1 1", "1 1")) + + // insert + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int, b int, c int)") + tk.MustExec("insert into t values (1, 1, 1), (2, 2, 2), (3, 3, 3), (1, 1, 1), (2, 2, 2), (3, 3, 3)") + tk.MustExec("insert into t (select * from t where (select count(*) from t t1 where t1.b > t.a) > 2)") + tk.MustQuery("select * from t").Sort().Check(testkit.Rows("1 1 1", "1 1 1", "1 1 1", "1 1 1", "2 2 2", "2 2 2", "3 3 3", "3 3 3")) + + // update + tk.MustExec("drop table if exists t, t2") + tk.MustExec("create table t(a smallint, b int)") + tk.MustExec("create table t2(a int, b int)") + tk.MustExec("insert into t values (1, 1), (2, 2), (3, 3), (1, 1), (2, 2), (3, 3)") + tk.MustExec("insert into t2 values (1, 1), (2, 2), (3, 3), (1, 1), (2, 2), (3, 3)") + tk.MustExec("update t set a = a + 1 where (select count(*) from t2 where t2.a <= t.a) in (1, 2)") + tk.MustQuery("select * from t").Sort().Check(testkit.Rows("2 1", "2 1", "2 2", "2 2", "3 3", "3 3")) + + // replace + tk.MustExec("drop table if exists t, t2") + tk.MustExec("create table t(a tinyint, b int, unique index idx(a))") + tk.MustExec("create table t2(a tinyint, b int)") + tk.MustExec("insert into t values (1, 1), (2, 2), (3, 3), (4, 4)") + tk.MustExec("insert into t2 values (1, 1), (2, 2), (3, 3), (1, 1), (2, 2), (3, 3)") + tk.MustExec("replace into t (select pow(t2.a, 2), t2.b from t2 where (select min(t.a) from t where t.a > t2.a) between 1 and 5)") + tk.MustQuery("select * from t").Sort().Check(testkit.Rows("1 1", "2 2", "3 3", "4 2", "9 3")) + + // Transaction + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a int, b int)") + tk.MustExec("create table t2(a int, b int)") + tk.MustExec("insert into t1 values (1, 2), (1, 3)") + tk.MustExec("begin") + tk.MustExec("insert into t1 values (1, 4), (2, 3), (2, 5)") + tk.MustExec("insert into t2 values (2, 3), (3, 4)") + sql := "select * from t1 where t1.b > any (select t2.b from t2 where t2.b < t1.b)" + tk.MustQuery(sql).Sort().Check(testkit.Rows("1 4", "2 5")) + tk.MustExec("delete from t1 where a = 1") + tk.MustQuery(sql).Sort().Check(testkit.Rows("2 5")) + tk.MustExec("commit") + tk.MustQuery(sql).Sort().Check(testkit.Rows("2 5")) +} + +func (s *testSuite) TestApplyConcurrency(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("set tidb_enable_parallel_apply=true") + + // tidb_executor_concurrency + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a int, b int)") + tk.MustExec("create table t2(a int, b int)") + sql := "select * from t1 where t1.b > (select sum(t2.b) from t2 where t2.a > t1.a)" + tk.MustExec("set tidb_executor_concurrency = 3") + checkApplyPlan(c, tk, sql, 3) + tk.MustExec("set tidb_executor_concurrency = 5") + checkApplyPlan(c, tk, sql, 5) + + // concurrency + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int)") + vals := "" + n := 100 + for i := 1; i <= n; i++ { + if i > 1 { + vals += "," + } + vals = vals + fmt.Sprintf("(%v)", i) + } + tk.MustExec(fmt.Sprintf("insert into t values %v", vals)) + sql = "select sum(a) from t where t.a >= (select max(a) from t t1 where t1.a <= t.a)" + for cc := 1; cc <= 10; cc += 3 { + tk.MustExec(fmt.Sprintf("set tidb_executor_concurrency = %v", cc)) + tk.MustQuery(sql).Check(testkit.Rows(fmt.Sprintf("%v", (n*(n+1))/2))) + } +} + +func (s *testSuite) TestApplyCacheRatio(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a int, b int)") + tk.MustExec("create table t2(a int, b int)") + sql := "select * from t1 where (select min(t2.b) from t2 where t2.a> t1.a) > 10" + tk.MustExec("insert into t2 values (1, 1), (2, 2), (3, 3), (4, 4), (5, 5)") + + checkRatio := func(ratio string) bool { + rows := tk.MustQuery("explain analyze " + sql).Rows() + for _, r := range rows { + line := fmt.Sprintf("%v", r) + if strings.Contains(line, "cacheHitRatio:"+ratio) { + return true + } + } + return false + } + // 10% + tk.MustExec("insert into t1 values (1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6), (7, 7), (8, 8), (9, 9), (1, 1)") + c.Assert(checkRatio("10.000%"), IsTrue) + // 20% + tk.MustExec("truncate t1") + tk.MustExec("insert into t1 values (1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6), (7, 7), (8, 8), (2, 2), (1, 1)") + c.Assert(checkRatio("20.000%"), IsTrue) + // 50% + tk.MustExec("truncate t1") + tk.MustExec("insert into t1 values (1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (1, 1), (2, 2), (3, 3), (4, 4), (5, 5)") + c.Assert(checkRatio("50.000%"), IsTrue) +} From 928c35de796e9fa095473255010b270ebeb100de Mon Sep 17 00:00:00 2001 From: "Zhuomin(Charming) Liu" Date: Mon, 26 Oct 2020 19:03:01 +0800 Subject: [PATCH 0079/1021] executor: fix index merge join hangs with outer join and limit (#20602) --- executor/index_lookup_merge_join.go | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/executor/index_lookup_merge_join.go b/executor/index_lookup_merge_join.go index 64c6aa36ed91b..d2c653ae15d36 100644 --- a/executor/index_lookup_merge_join.go +++ b/executor/index_lookup_merge_join.go @@ -531,7 +531,12 @@ func (imw *innerMergeWorker) fetchNewChunkWhenFull(ctx context.Context, task *lo } func (imw *innerMergeWorker) doMergeJoin(ctx context.Context, task *lookUpMergeJoinTask) (err error) { - chk := <-imw.joinChkResourceCh + var chk *chunk.Chunk + select { + case chk = <-imw.joinChkResourceCh: + case <-ctx.Done(): + return + } defer func() { if chk == nil { return From 7b04d45836397d4941b526df9a1bc6dc271f843f Mon Sep 17 00:00:00 2001 From: crazycs Date: Mon, 26 Oct 2020 20:09:13 +0800 Subject: [PATCH 0080/1021] ddl: support add/drop list (columns) partition (#20631) Signed-off-by: crazycs520 --- ddl/db_partition_test.go | 194 +++++++++++++++++++++++++++++++++++++++ ddl/ddl_api.go | 75 +++++++++++---- 2 files changed, 253 insertions(+), 16 deletions(-) diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index 3d89539f1400f..09a28bb9f94b0 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -708,6 +708,200 @@ func (s *testIntegrationSuite1) TestCreateTableWithListColumnsPartition(c *C) { } } +func (s *testIntegrationSuite5) TestAlterTableAddPartitionByList(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("drop table if exists t;") + tk.MustExec(`create table t (id int) partition by list (id) ( + partition p0 values in (1,2), + partition p1 values in (3,4), + partition p3 values in (5,null) + );`) + tk.MustExec(`alter table t add partition ( + partition p4 values in (7), + partition p5 values in (8,9));`) + + ctx := tk.Se.(sessionctx.Context) + is := domain.GetDomain(ctx).InfoSchema() + tbl, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) + c.Assert(err, IsNil) + c.Assert(tbl.Meta().Partition, NotNil) + part := tbl.Meta().Partition + c.Assert(part.Type == model.PartitionTypeList, IsTrue) + + c.Assert(part.Expr, Equals, "`id`") + c.Assert(part.Definitions, HasLen, 5) + c.Assert(part.Definitions[0].InValues, DeepEquals, [][]string{{"1"}, {"2"}}) + c.Assert(part.Definitions[0].Name, Equals, model.NewCIStr("p0")) + c.Assert(part.Definitions[1].InValues, DeepEquals, [][]string{{"3"}, {"4"}}) + c.Assert(part.Definitions[1].Name, Equals, model.NewCIStr("p1")) + c.Assert(part.Definitions[2].InValues, DeepEquals, [][]string{{"5"}, {"NULL"}}) + c.Assert(part.Definitions[2].Name, Equals, model.NewCIStr("p3")) + c.Assert(part.Definitions[3].InValues, DeepEquals, [][]string{{"7"}}) + c.Assert(part.Definitions[3].Name, Equals, model.NewCIStr("p4")) + c.Assert(part.Definitions[4].InValues, DeepEquals, [][]string{{"8"}, {"9"}}) + c.Assert(part.Definitions[4].Name, Equals, model.NewCIStr("p5")) + + errorCases := []struct { + sql string + err *terror.Error + }{ + {"alter table t add partition (partition p4 values in (7))", + ddl.ErrSameNamePartition, + }, + {"alter table t add partition (partition p6 values less than (7))", + ast.ErrPartitionWrongValues, + }, + {"alter table t add partition (partition p6 values in (null))", + ddl.ErrMultipleDefConstInListPart, + }, + {"alter table t add partition (partition p6 values in (7))", + ddl.ErrMultipleDefConstInListPart, + }, + {"alter table t add partition (partition p6 values in ('a'))", + ddl.ErrNotAllowedTypeInPartition, + }, + } + + for i, t := range errorCases { + _, err := tk.Exec(t.sql) + c.Assert(t.err.Equal(err), IsTrue, Commentf( + "case %d fail, sql = `%s`\nexpected error = `%v`\n actual error = `%v`", + i, t.sql, t.err, err, + )) + } +} + +func (s *testIntegrationSuite5) TestAlterTableAddPartitionByListColumns(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("drop table if exists t;") + tk.MustExec(`create table t (id int, name varchar(10)) partition by list columns (id,name) ( + partition p0 values in ((1,'a'),(2,'b')), + partition p1 values in ((3,'a'),(4,'b')), + partition p3 values in ((5,null)) + );`) + tk.MustExec(`alter table t add partition ( + partition p4 values in ((7,'a')), + partition p5 values in ((8,'a')));`) + + ctx := tk.Se.(sessionctx.Context) + is := domain.GetDomain(ctx).InfoSchema() + tbl, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) + c.Assert(err, IsNil) + c.Assert(tbl.Meta().Partition, NotNil) + part := tbl.Meta().Partition + c.Assert(part.Type == model.PartitionTypeList, IsTrue) + + c.Assert(part.Expr, Equals, "") + c.Assert(part.Columns[0].O, Equals, "id") + c.Assert(part.Columns[1].O, Equals, "name") + c.Assert(part.Definitions, HasLen, 5) + c.Assert(part.Definitions[0].InValues, DeepEquals, [][]string{{"1", `"a"`}, {"2", `"b"`}}) + c.Assert(part.Definitions[0].Name, Equals, model.NewCIStr("p0")) + c.Assert(part.Definitions[1].InValues, DeepEquals, [][]string{{"3", `"a"`}, {"4", `"b"`}}) + c.Assert(part.Definitions[1].Name, Equals, model.NewCIStr("p1")) + c.Assert(part.Definitions[2].InValues, DeepEquals, [][]string{{"5", `NULL`}}) + c.Assert(part.Definitions[2].Name, Equals, model.NewCIStr("p3")) + c.Assert(part.Definitions[3].InValues, DeepEquals, [][]string{{"7", `"a"`}}) + c.Assert(part.Definitions[3].Name, Equals, model.NewCIStr("p4")) + c.Assert(part.Definitions[4].InValues, DeepEquals, [][]string{{"8", `"a"`}}) + c.Assert(part.Definitions[4].Name, Equals, model.NewCIStr("p5")) + + errorCases := []struct { + sql string + err *terror.Error + }{ + {"alter table t add partition (partition p4 values in ((7,'b')))", + ddl.ErrSameNamePartition, + }, + {"alter table t add partition (partition p6 values less than ((7,'a')))", + ast.ErrPartitionWrongValues, + }, + {"alter table t add partition (partition p6 values in ((5,null)))", + ddl.ErrMultipleDefConstInListPart, + }, + {"alter table t add partition (partition p6 values in ((7,'a')))", + ddl.ErrMultipleDefConstInListPart, + }, + {"alter table t add partition (partition p6 values in (('a','a')))", + ddl.ErrNotAllowedTypeInPartition, + }, + } + + for i, t := range errorCases { + _, err := tk.Exec(t.sql) + c.Assert(t.err.Equal(err), IsTrue, Commentf( + "case %d fail, sql = `%s`\nexpected error = `%v`\n actual error = `%v`", + i, t.sql, t.err, err, + )) + } +} + +func (s *testIntegrationSuite5) TestAlterTableDropPartitionByList(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("drop table if exists t;") + tk.MustExec(`create table t (id int) partition by list (id) ( + partition p0 values in (1,2), + partition p1 values in (3,4), + partition p3 values in (5,null) + );`) + tk.MustExec(`alter table t drop partition p1`) + ctx := tk.Se.(sessionctx.Context) + is := domain.GetDomain(ctx).InfoSchema() + tbl, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) + c.Assert(err, IsNil) + c.Assert(tbl.Meta().Partition, NotNil) + part := tbl.Meta().Partition + c.Assert(part.Type == model.PartitionTypeList, IsTrue) + c.Assert(part.Expr, Equals, "`id`") + c.Assert(part.Definitions, HasLen, 2) + c.Assert(part.Definitions[0].InValues, DeepEquals, [][]string{{"1"}, {"2"}}) + c.Assert(part.Definitions[0].Name, Equals, model.NewCIStr("p0")) + c.Assert(part.Definitions[1].InValues, DeepEquals, [][]string{{"5"}, {"NULL"}}) + c.Assert(part.Definitions[1].Name, Equals, model.NewCIStr("p3")) + + sql := "alter table t drop partition p10;" + tk.MustGetErrCode(sql, tmysql.ErrDropPartitionNonExistent) + tk.MustExec(`alter table t drop partition p3`) + sql = "alter table t drop partition p0;" + tk.MustGetErrCode(sql, tmysql.ErrDropLastPartition) +} + +func (s *testIntegrationSuite5) TestAlterTableDropPartitionByListColumns(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("drop table if exists t;") + tk.MustExec(`create table t (id int, name varchar(10)) partition by list columns (id,name) ( + partition p0 values in ((1,'a'),(2,'b')), + partition p1 values in ((3,'a'),(4,'b')), + partition p3 values in ((5,'a'),(null,null)) + );`) + tk.MustExec(`alter table t drop partition p1`) + ctx := tk.Se.(sessionctx.Context) + is := domain.GetDomain(ctx).InfoSchema() + tbl, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) + c.Assert(err, IsNil) + c.Assert(tbl.Meta().Partition, NotNil) + part := tbl.Meta().Partition + c.Assert(part.Type == model.PartitionTypeList, IsTrue) + c.Assert(part.Expr, Equals, "") + c.Assert(part.Columns[0].O, Equals, "id") + c.Assert(part.Columns[1].O, Equals, "name") + c.Assert(part.Definitions, HasLen, 2) + c.Assert(part.Definitions[0].InValues, DeepEquals, [][]string{{"1", `"a"`}, {"2", `"b"`}}) + c.Assert(part.Definitions[0].Name, Equals, model.NewCIStr("p0")) + c.Assert(part.Definitions[1].InValues, DeepEquals, [][]string{{"5", `"a"`}, {"NULL", "NULL"}}) + c.Assert(part.Definitions[1].Name, Equals, model.NewCIStr("p3")) + + sql := "alter table t drop partition p10;" + tk.MustGetErrCode(sql, tmysql.ErrDropPartitionNonExistent) + tk.MustExec(`alter table t drop partition p3`) + sql = "alter table t drop partition p0;" + tk.MustGetErrCode(sql, tmysql.ErrDropLastPartition) +} + func (s *testIntegrationSuite3) TestCreateTableWithKeyPartition(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 26d7f4051db8e..f4d60419db429 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -2847,7 +2847,12 @@ func (d *ddl) AddTablePartitions(ctx sessionctx.Context, ident ast.Ident, spec * tmp := *partInfo tmp.Definitions = append(pi.Definitions, tmp.Definitions...) clonedMeta.Partition = &tmp - err = checkPartitionByRange(ctx, clonedMeta, nil) + switch pi.Type { + case model.PartitionTypeRange: + err = checkPartitionByRange(ctx, clonedMeta, nil) + case model.PartitionTypeList: + err = checkPartitionByList(ctx, clonedMeta, nil) + } if err != nil { if ErrSameNamePartition.Equal(err) && spec.IfNotExists { ctx.GetSessionVars().StmtCtx.AppendNote(err) @@ -5054,11 +5059,12 @@ func validateCommentLength(vars *variable.SessionVars, indexName string, indexOp } func buildPartitionInfo(ctx sessionctx.Context, meta *model.TableInfo, d *ddl, spec *ast.AlterTableSpec) (*model.PartitionInfo, error) { - if meta.Partition.Type == model.PartitionTypeRange { + switch meta.Partition.Type { + case model.PartitionTypeRange, model.PartitionTypeList: if len(spec.PartDefinitions) == 0 { return nil, ast.ErrPartitionsMustBeDefined.GenWithStackByArgs(meta.Partition.Type) } - } else { + default: // we don't support ADD PARTITION for all other partition types yet. return nil, errors.Trace(ErrUnsupportedAddPartition) } @@ -5081,14 +5087,6 @@ func buildPartitionInfo(ctx sessionctx.Context, meta *model.TableInfo, d *ddl, s if err := checkTooLongTable(def.Name); err != nil { return nil, err } - // For RANGE partition only VALUES LESS THAN should be possible. - clause := def.Clause.(*ast.PartitionDefinitionClauseLessThan) - if len(part.Columns) > 0 { - if err := checkColumnsTypeAndValuesMatch(ctx, meta, clause.Exprs); err != nil { - return nil, err - } - } - comment, _ := def.Comment() piDef := model.PartitionDefinition{ Name: def.Name, @@ -5096,17 +5094,62 @@ func buildPartitionInfo(ctx sessionctx.Context, meta *model.TableInfo, d *ddl, s Comment: comment, } - buf := new(bytes.Buffer) - for _, expr := range clause.Exprs { - expr.Format(buf) - piDef.LessThan = append(piDef.LessThan, buf.String()) - buf.Reset() + switch meta.Partition.Type { + case model.PartitionTypeRange: + err = buildRangePartitionInfo(ctx, meta, part, def, &piDef) + case model.PartitionTypeList: + err = buildListPartitionInfo(ctx, meta, part, def, &piDef) + } + if err != nil { + return nil, err } + part.Definitions = append(part.Definitions, piDef) } return part, nil } +func buildRangePartitionInfo(ctx sessionctx.Context, meta *model.TableInfo, part *model.PartitionInfo, def *ast.PartitionDefinition, piDef *model.PartitionDefinition) error { + // For RANGE partition only VALUES LESS THAN should be possible. + clause := def.Clause.(*ast.PartitionDefinitionClauseLessThan) + if len(part.Columns) > 0 { + if err := checkColumnsTypeAndValuesMatch(ctx, meta, clause.Exprs); err != nil { + return err + } + } + buf := new(bytes.Buffer) + for _, expr := range clause.Exprs { + expr.Format(buf) + piDef.LessThan = append(piDef.LessThan, buf.String()) + buf.Reset() + } + return nil +} + +func buildListPartitionInfo(ctx sessionctx.Context, meta *model.TableInfo, part *model.PartitionInfo, def *ast.PartitionDefinition, piDef *model.PartitionDefinition) error { + // For List partition only VALUES IN should be possible. + clause := def.Clause.(*ast.PartitionDefinitionClauseIn) + if len(part.Columns) > 0 { + for _, vs := range clause.Values { + if err := checkColumnsTypeAndValuesMatch(ctx, meta, vs); err != nil { + return err + } + } + } + buf := new(bytes.Buffer) + for _, vs := range clause.Values { + inValue := make([]string, 0, len(vs)) + for i := range vs { + buf.Reset() + vs[i].Format(buf) + inValue = append(inValue, buf.String()) + } + piDef.InValues = append(piDef.InValues, inValue) + buf.Reset() + } + return nil +} + func checkColumnsTypeAndValuesMatch(ctx sessionctx.Context, meta *model.TableInfo, exprs []ast.ExprNode) error { // Validate() has already checked len(colNames) = len(exprs) // create table ... partition by range columns (cols) From f6e148f7fbb93ec5515fe51c0cee44b40fe35e35 Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Mon, 26 Oct 2020 20:29:20 +0800 Subject: [PATCH 0081/1021] util: reduce memoryUsageAlarm log (#20562) --- util/expensivequery/memory_usage_alarm.go | 33 +++++++++++++---------- 1 file changed, 19 insertions(+), 14 deletions(-) diff --git a/util/expensivequery/memory_usage_alarm.go b/util/expensivequery/memory_usage_alarm.go index 6824bc4a230b3..16914542e5fca 100644 --- a/util/expensivequery/memory_usage_alarm.go +++ b/util/expensivequery/memory_usage_alarm.go @@ -92,8 +92,8 @@ func initMemoryUsageAlarmRecord() (record *memoryUsageAlarm) { func (record *memoryUsageAlarm) alarm4ExcessiveMemUsage(sm util.SessionManager) { var memoryUsage uint64 instanceStats := &runtime.MemStats{} + runtime.ReadMemStats(instanceStats) if record.isServerMemoryQuotaSet { - runtime.ReadMemStats(instanceStats) memoryUsage = instanceStats.HeapAlloc } else { memoryUsage, record.err = memory.MemUsed() @@ -110,23 +110,31 @@ func (record *memoryUsageAlarm) alarm4ExcessiveMemUsage(sm util.SessionManager) interval := time.Since(record.lastCheckTime) record.lastCheckTime = time.Now() if interval > 10*time.Second { - record.doRecord(memoryUsage, sm) + record.doRecord(memoryUsage, instanceStats.HeapAlloc, sm) } } } -func (record *memoryUsageAlarm) doRecord(memUsage uint64, sm util.SessionManager) { - logutil.BgLogger().Warn("the TiDB instance now takes a lot of memory, has the risk of OOM", - zap.Bool("is server-momory-quota set", record.isServerMemoryQuotaSet), - zap.Any("memory size", record.serverMemoryQuota), - zap.Any("memory usage", memUsage), - zap.Any("memory-usage-alarm-ratio", config.GetGlobalConfig().Performance.MemoryUsageAlarmRatio), - ) +func (record *memoryUsageAlarm) doRecord(memUsage uint64, instanceMemoryUsage uint64, sm util.SessionManager) { + fields := make([]zap.Field, 0, 6) + fields = append(fields, zap.Bool("is server-memory-quota set", record.isServerMemoryQuotaSet)) + if record.isServerMemoryQuotaSet { + fields = append(fields, zap.Any("server-memory-quota", record.serverMemoryQuota)) + fields = append(fields, zap.Any("tidb-server memory usage", memUsage)) + } else { + fields = append(fields, zap.Any("system memory total", record.serverMemoryQuota)) + fields = append(fields, zap.Any("system memory usage", memUsage)) + fields = append(fields, zap.Any("tidb-server memory usage", instanceMemoryUsage)) + } + fields = append(fields, zap.Any("memory-usage-alarm-ratio", config.GetGlobalConfig().Performance.MemoryUsageAlarmRatio)) + fields = append(fields, zap.Any("record path", record.tmpDir)) + + logutil.BgLogger().Warn("tidb-server has the risk of OOM. Running SQLs and heap profile will be recorded in record path", fields...) if record.err = disk.CheckAndInitTempDir(); record.err != nil { return } - record.recordSQLAndSummaryTable(sm) + record.recordSQL(sm) record.recordProfile() tryRemove := func(filename *[]string) { @@ -146,7 +154,7 @@ func (record *memoryUsageAlarm) doRecord(memUsage uint64, sm util.SessionManager } } -func (record *memoryUsageAlarm) recordSQLAndSummaryTable(sm util.SessionManager) { +func (record *memoryUsageAlarm) recordSQL(sm util.SessionManager) { processInfo := sm.ShowProcessList() pinfo := make([]*util.ProcessInfo, 0, len(processInfo)) for _, info := range processInfo { @@ -203,8 +211,6 @@ func (record *memoryUsageAlarm) recordSQLAndSummaryTable(sm util.SessionManager) printTop10(func(i, j int) bool { return pinfo[i].Time.Before(pinfo[j].Time) }) - - logutil.BgLogger().Info("record SQLs with the most memory usage or time usage", zap.Any("SQLs file path", fileName)) } func (record *memoryUsageAlarm) recordProfile() { @@ -235,6 +241,5 @@ func (record *memoryUsageAlarm) recordProfile() { logutil.BgLogger().Error(fmt.Sprintf("write %v profile file fail", item.name), zap.Error(err)) return } - logutil.BgLogger().Info(fmt.Sprintf("record %v profile successfully", item.name), zap.Any("Profile file path", fileName)) } } From 6c278101a483c22f65bae488027f2f2c81623aad Mon Sep 17 00:00:00 2001 From: xiaodong-ji Date: Mon, 26 Oct 2020 23:12:42 +0800 Subject: [PATCH 0082/1021] planner: support variable to prefer index scan (#18996) --- planner/core/find_best_task.go | 13 +++++++++++++ session/session.go | 1 + sessionctx/variable/session.go | 16 ++++++++++++++++ sessionctx/variable/sysvar.go | 3 ++- sessionctx/variable/tidb_vars.go | 4 ++++ 5 files changed, 36 insertions(+), 1 deletion(-) diff --git a/planner/core/find_best_task.go b/planner/core/find_best_task.go index 6c60cc56a8501..e23666ffa8523 100644 --- a/planner/core/find_best_task.go +++ b/planner/core/find_best_task.go @@ -583,6 +583,19 @@ func (ds *DataSource) skylinePruning(prop *property.PhysicalProperty) []*candida candidates = append(candidates, currentCandidate) } } + + if ds.ctx.GetSessionVars().GetAllowPreferRangeScan() && len(candidates) > 1 { + // remove the table/index full scan path + for i, c := range candidates { + for _, ran := range c.path.Ranges { + if ran.IsFullRange() { + candidates = append(candidates[:i], candidates[i+1:]...) + return candidates + } + } + } + } + return candidates } diff --git a/session/session.go b/session/session.go index de10114d39756..4ad2170ebbff1 100644 --- a/session/session.go +++ b/session/session.go @@ -2121,6 +2121,7 @@ var builtinGlobalVariable = []string{ variable.TiDBDDLReorgBatchSize, variable.TiDBDDLErrorCountLimit, variable.TiDBOptInSubqToJoinAndAgg, + variable.TiDBOptPreferRangeScan, variable.TiDBOptCorrelationThreshold, variable.TiDBOptCorrelationExpFactor, variable.TiDBOptCPUFactor, diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 6c14f59883e4f..2d47433dc7cc7 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -653,6 +653,9 @@ type SessionVars struct { // allowInSubqToJoinAndAgg can be set to false to forbid rewriting the semi join to inner join with agg. allowInSubqToJoinAndAgg bool + // preferRangeScan allows optimizer to always prefer range scan over table scan. + preferRangeScan bool + // EnableIndexMerge enables the generation of IndexMergePath. enableIndexMerge bool @@ -806,6 +809,7 @@ func NewSessionVars() *SessionVars { DisableTxnAutoRetry: DefTiDBDisableTxnAutoRetry, DDLReorgPriority: kv.PriorityLow, allowInSubqToJoinAndAgg: DefOptInSubqToJoinAndAgg, + preferRangeScan: DefOptPreferRangeScan, CorrelationThreshold: DefOptCorrelationThreshold, CorrelationExpFactor: DefOptCorrelationExpFactor, CPUFactor: DefOptCPUFactor, @@ -929,6 +933,16 @@ func (s *SessionVars) SetAllowInSubqToJoinAndAgg(val bool) { s.allowInSubqToJoinAndAgg = val } +// GetAllowPreferRangeScan get preferRangeScan from SessionVars.preferRangeScan. +func (s *SessionVars) GetAllowPreferRangeScan() bool { + return s.preferRangeScan +} + +// SetAllowPreferRangeScan set SessionVars.preferRangeScan. +func (s *SessionVars) SetAllowPreferRangeScan(val bool) { + s.preferRangeScan = val +} + // GetEnableCascadesPlanner get EnableCascadesPlanner from sql hints and SessionVars.EnableCascadesPlanner. func (s *SessionVars) GetEnableCascadesPlanner() bool { if s.StmtCtx.HasEnableCascadesPlannerHint { @@ -1242,6 +1256,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.AllowWriteRowID = TiDBOptOn(val) case TiDBOptInSubqToJoinAndAgg: s.SetAllowInSubqToJoinAndAgg(TiDBOptOn(val)) + case TiDBOptPreferRangeScan: + s.SetAllowPreferRangeScan(TiDBOptOn(val)) case TiDBOptCorrelationThreshold: s.CorrelationThreshold = tidbOptFloat64(val, DefOptCorrelationThreshold) case TiDBOptCorrelationExpFactor: diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 287a08a5bb116..78e87c079abf4 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -676,7 +676,8 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TiDBChecksumTableConcurrency, Value: strconv.Itoa(DefChecksumTableConcurrency)}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBExecutorConcurrency, Value: strconv.Itoa(DefExecutorConcurrency), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBDistSQLScanConcurrency, Value: strconv.Itoa(DefDistSQLScanConcurrency), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptInSubqToJoinAndAgg, Value: BoolToOnOff(DefOptInSubqToJoinAndAgg), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptInSubqToJoinAndAgg, Value: BoolToIntStr(DefOptInSubqToJoinAndAgg), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBOptPreferRangeScan, Value: BoolToIntStr(DefOptPreferRangeScan), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptCorrelationThreshold, Value: strconv.FormatFloat(DefOptCorrelationThreshold, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: 1}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptCorrelationExpFactor, Value: strconv.Itoa(DefOptCorrelationExpFactor), Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptCPUFactor, Value: strconv.FormatFloat(DefOptCPUFactor, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: math.MaxUint64}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 818853b864d7e..de369b1860e9a 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -199,6 +199,9 @@ const ( // tidb_opt_insubquery_to_join_and_agg is used to enable/disable the optimizer rule of rewriting IN subquery. TiDBOptInSubqToJoinAndAgg = "tidb_opt_insubq_to_join_and_agg" + // tidb_opt_prefer_range_scan is used to enable/disable the optimizer to always prefer range scan over table scan, ignoring their costs. + TiDBOptPreferRangeScan = "tidb_opt_prefer_range_scan" + // tidb_opt_correlation_threshold is a guard to enable row count estimation using column order correlation. TiDBOptCorrelationThreshold = "tidb_opt_correlation_threshold" @@ -486,6 +489,7 @@ const ( DefOptDiskFactor = 1.5 DefOptConcurrencyFactor = 3.0 DefOptInSubqToJoinAndAgg = true + DefOptPreferRangeScan = false DefBatchInsert = false DefBatchDelete = false DefBatchCommit = false From b25f69ec3817f22ec942ae791f8cdd15acc3284d Mon Sep 17 00:00:00 2001 From: ekexium Date: Tue, 27 Oct 2020 10:52:33 +0800 Subject: [PATCH 0083/1021] move defer ttlManager.close (#20650) Signed-off-by: ekexium --- store/tikv/2pc.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index e6c1b9384f22c..b541405c34041 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -1090,10 +1090,10 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { zap.Uint64("startTS", c.startTS), zap.Uint64("commitTS", c.commitTS), zap.Uint64("connID", c.connID)) go func() { + defer c.ttlManager.close() failpoint.Inject("asyncCommitDoNothing", func() { failpoint.Return() }) - defer c.ttlManager.close() commitBo := NewBackofferWithVars(ctx, int(atomic.LoadUint64(&CommitMaxBackoff)), c.txn.vars) err := c.commitMutations(commitBo, c.mutations) if err != nil { From ff428983e0ebd8df1e6dbcd4e48df0743e743866 Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Tue, 27 Oct 2020 11:09:57 +0800 Subject: [PATCH 0084/1021] planner: estimate cardinality of agg / join by GroupNDV (#18058) --- cmd/explaintest/r/explain_complex.result | 6 +- cmd/explaintest/r/tpch.result | 38 ++--- planner/core/stats.go | 72 ++++++---- planner/core/stats_test.go | 33 +++++ planner/core/testdata/stats_suite_in.json | 33 +++++ planner/core/testdata/stats_suite_out.json | 153 +++++++++++++++++++++ 6 files changed, 287 insertions(+), 48 deletions(-) diff --git a/cmd/explaintest/r/explain_complex.result b/cmd/explaintest/r/explain_complex.result index aecbf3a3e9be7..182da4881581e 100644 --- a/cmd/explaintest/r/explain_complex.result +++ b/cmd/explaintest/r/explain_complex.result @@ -150,9 +150,9 @@ Projection_5 1.00 root test.st.cm, test.st.p1, test.st.p2, test.st.p3, test.st. └─TableRowIDScan_11 250.00 cop[tikv] table:st keep order:false, stats:pseudo explain select dt.id as id, dt.aid as aid, dt.pt as pt, dt.dic as dic, dt.cm as cm, rr.gid as gid, rr.acd as acd, rr.t as t,dt.p1 as p1, dt.p2 as p2, dt.p3 as p3, dt.p4 as p4, dt.p5 as p5, dt.p6_md5 as p6, dt.p7_md5 as p7 from dt dt join rr rr on (rr.pt = 'ios' and rr.t > 1478185592 and dt.aid = rr.aid and dt.dic = rr.dic) where dt.pt = 'ios' and dt.t > 1478185592 and dt.bm = 0 limit 2000; id estRows task access object operator info -Projection_10 0.00 root test.dt.id, test.dt.aid, test.dt.pt, test.dt.dic, test.dt.cm, test.rr.gid, test.rr.acd, test.rr.t, test.dt.p1, test.dt.p2, test.dt.p3, test.dt.p4, test.dt.p5, test.dt.p6_md5, test.dt.p7_md5 -└─Limit_13 0.00 root offset:0, count:2000 - └─IndexMergeJoin_43 0.00 root inner join, inner:IndexLookUp_41, outer key:test.rr.aid, test.rr.dic, inner key:test.dt.aid, test.dt.dic +Projection_10 0.01 root test.dt.id, test.dt.aid, test.dt.pt, test.dt.dic, test.dt.cm, test.rr.gid, test.rr.acd, test.rr.t, test.dt.p1, test.dt.p2, test.dt.p3, test.dt.p4, test.dt.p5, test.dt.p6_md5, test.dt.p7_md5 +└─Limit_13 0.01 root offset:0, count:2000 + └─IndexMergeJoin_43 0.01 root inner join, inner:IndexLookUp_41, outer key:test.rr.aid, test.rr.dic, inner key:test.dt.aid, test.dt.dic ├─TableReader_61(Build) 3.33 root data:Selection_60 │ └─Selection_60 3.33 cop[tikv] eq(test.rr.pt, "ios"), gt(test.rr.t, 1478185592) │ └─TableFullScan_59 10000.00 cop[tikv] table:rr keep order:false, stats:pseudo diff --git a/cmd/explaintest/r/tpch.result b/cmd/explaintest/r/tpch.result index 7bcf26b206de6..dd3895c1ccfdf 100644 --- a/cmd/explaintest/r/tpch.result +++ b/cmd/explaintest/r/tpch.result @@ -594,25 +594,25 @@ id estRows task access object operator info Sort_25 2406.00 root tpch.nation.n_name, Column#53:desc └─Projection_27 2406.00 root tpch.nation.n_name, Column#53, Column#55 └─HashAgg_30 2406.00 root group by:Column#53, tpch.nation.n_name, funcs:sum(Column#54)->Column#55, funcs:firstrow(tpch.nation.n_name)->tpch.nation.n_name, funcs:firstrow(Column#53)->Column#53 - └─Projection_31 971049283.51 root tpch.nation.n_name, extract(YEAR, tpch.orders.o_orderdate)->Column#53, minus(mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount)), mul(tpch.partsupp.ps_supplycost, tpch.lineitem.l_quantity))->Column#54 - └─HashJoin_44 971049283.51 root inner join, equal:[eq(tpch.lineitem.l_suppkey, tpch.partsupp.ps_suppkey) eq(tpch.lineitem.l_partkey, tpch.partsupp.ps_partkey)] - ├─TableReader_106(Build) 40000000.00 root data:TableFullScan_105 - │ └─TableFullScan_105 40000000.00 cop[tikv] table:partsupp keep order:false - └─HashJoin_56(Probe) 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)] - ├─TableReader_104(Build) 75000000.00 root data:TableFullScan_103 - │ └─TableFullScan_103 75000000.00 cop[tikv] table:orders keep order:false - └─HashJoin_79(Probe) 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_partkey, tpch.part.p_partkey)] - ├─TableReader_102(Build) 8000000.00 root data:Selection_101 - │ └─Selection_101 8000000.00 cop[tikv] like(tpch.part.p_name, "%dim%", 92) - │ └─TableFullScan_100 10000000.00 cop[tikv] table:part keep order:false - └─HashJoin_82(Probe) 300005811.00 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] - ├─HashJoin_93(Build) 500000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ ├─TableReader_97(Build) 25.00 root data:TableFullScan_96 - │ │ └─TableFullScan_96 25.00 cop[tikv] table:nation keep order:false - │ └─TableReader_95(Probe) 500000.00 root data:TableFullScan_94 - │ └─TableFullScan_94 500000.00 cop[tikv] table:supplier keep order:false - └─TableReader_99(Probe) 300005811.00 root data:TableFullScan_98 - └─TableFullScan_98 300005811.00 cop[tikv] table:lineitem keep order:false + └─Projection_31 241379546.70 root tpch.nation.n_name, extract(YEAR, tpch.orders.o_orderdate)->Column#53, minus(mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount)), mul(tpch.partsupp.ps_supplycost, tpch.lineitem.l_quantity))->Column#54 + └─HashJoin_42 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)] + ├─TableReader_117(Build) 75000000.00 root data:TableFullScan_116 + │ └─TableFullScan_116 75000000.00 cop[tikv] table:orders keep order:false + └─HashJoin_77(Probe) 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_suppkey, tpch.partsupp.ps_suppkey) eq(tpch.lineitem.l_partkey, tpch.partsupp.ps_partkey)] + ├─TableReader_115(Build) 40000000.00 root data:TableFullScan_114 + │ └─TableFullScan_114 40000000.00 cop[tikv] table:partsupp keep order:false + └─HashJoin_90(Probe) 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_partkey, tpch.part.p_partkey)] + ├─TableReader_113(Build) 8000000.00 root data:Selection_112 + │ └─Selection_112 8000000.00 cop[tikv] like(tpch.part.p_name, "%dim%", 92) + │ └─TableFullScan_111 10000000.00 cop[tikv] table:part keep order:false + └─HashJoin_93(Probe) 300005811.00 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] + ├─HashJoin_104(Build) 500000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ ├─TableReader_108(Build) 25.00 root data:TableFullScan_107 + │ │ └─TableFullScan_107 25.00 cop[tikv] table:nation keep order:false + │ └─TableReader_106(Probe) 500000.00 root data:TableFullScan_105 + │ └─TableFullScan_105 500000.00 cop[tikv] table:supplier keep order:false + └─TableReader_110(Probe) 300005811.00 root data:TableFullScan_109 + └─TableFullScan_109 300005811.00 cop[tikv] table:lineitem keep order:false /* Q10 Returned Item Reporting Query The query identifies customers who might be having problems with the parts that are shipped to them. diff --git a/planner/core/stats.go b/planner/core/stats.go index e33a87bf41291..0ba8d9a87cc00 100644 --- a/planner/core/stats.go +++ b/planner/core/stats.go @@ -174,14 +174,19 @@ func (ds *DataSource) getGroupNDVs(colGroups [][]*expression.Column) []property. tbl := ds.tableStats.HistColl ndvs := make([]property.GroupNDV, 0, len(colGroups)) for idxID, idx := range tbl.Indices { - idxCols := make([]int64, len(tbl.Idx2ColumnIDs[idxID])) + colsLen := len(tbl.Idx2ColumnIDs[idxID]) + // tbl.Idx2ColumnIDs may only contain the prefix of index columns. + if colsLen != len(idx.Info.Columns) { + continue + } + idxCols := make([]int64, colsLen) copy(idxCols, tbl.Idx2ColumnIDs[idxID]) sort.Slice(idxCols, func(i, j int) bool { return idxCols[i] < idxCols[j] }) for _, g := range colGroups { // We only want those exact matches. - if len(g) != len(idxCols) { + if len(g) != colsLen { continue } match := true @@ -608,17 +613,44 @@ func (lt *LogicalTopN) DeriveStats(childStats []*property.StatsInfo, selfSchema return lt.stats, nil } -// getCardinality will return the Cardinality of a couple of columns. We simply return the max one, because we cannot know -// the Cardinality for multi-dimension attributes properly. This is a simple and naive scheme of Cardinality estimation. +func getGroupNDV4Cols(cols []*expression.Column, stats *property.StatsInfo) *property.GroupNDV { + if len(cols) == 0 || len(stats.GroupNDVs) == 0 { + return nil + } + cols = expression.SortColumns(cols) + for _, groupNDV := range stats.GroupNDVs { + if len(cols) != len(groupNDV.Cols) { + continue + } + match := true + for i, col := range groupNDV.Cols { + if col != cols[i].UniqueID { + match = false + break + } + } + if match { + return &groupNDV + } + } + return nil +} + +// getCardinality returns the Cardinality of a couple of columns. +// If the columns match any GroupNDV maintained by child operator, we can get an accurate cardinality. +// Otherwise, we simply return the max cardinality among the columns, which is a lower bound. func getCardinality(cols []*expression.Column, schema *expression.Schema, profile *property.StatsInfo) float64 { cardinality := 1.0 + if groupNDV := getGroupNDV4Cols(cols, profile); groupNDV != nil { + return math.Max(groupNDV.NDV, cardinality) + } indices := schema.ColumnsIndices(cols) if indices == nil { logutil.BgLogger().Error("column not found in schema", zap.Any("columns", cols), zap.String("schema", schema.String())) return cardinality } for _, idx := range indices { - // It is a very elementary estimation. + // It is a very naive estimation. col := schema.Columns[idx] cardinality = math.Max(cardinality, profile.Cardinality[col.UniqueID]) } @@ -712,31 +744,19 @@ func (p *LogicalProjection) ExtractColGroups(colGroups [][]*expression.Column) [ return extracted } -func (la *LogicalAggregation) getGroupNDVs(colGroups [][]*expression.Column, childProfile *property.StatsInfo, selfSchema *expression.Schema, gbyCols []*expression.Column) []property.GroupNDV { - if len(colGroups) == 0 || len(childProfile.GroupNDVs) == 0 { +func (la *LogicalAggregation) getGroupNDVs(colGroups [][]*expression.Column, childProfile *property.StatsInfo, gbyCols []*expression.Column) []property.GroupNDV { + if len(colGroups) == 0 { return nil } // Check if the child profile provides GroupNDV for the GROUP BY columns. // Note that gbyCols may not be the exact GROUP BY columns, e.g, GROUP BY a+b, // but we have no other approaches for the cardinality estimation of these cases // except for using the independent assumption, unless we can use stats of expression index. - gbyCols = expression.SortColumns(gbyCols) - for _, groupNDV := range childProfile.GroupNDVs { - if len(gbyCols) != len(groupNDV.Cols) { - continue - } - match := true - for i, col := range groupNDV.Cols { - if col != gbyCols[i].UniqueID { - match = false - break - } - } - if match { - return []property.GroupNDV{groupNDV} - } + groupNDV := getGroupNDV4Cols(gbyCols, childProfile) + if groupNDV == nil { + return nil } - return nil + return []property.GroupNDV{*groupNDV} } // DeriveStats implement LogicalPlan DeriveStats interface. @@ -749,7 +769,7 @@ func (la *LogicalAggregation) DeriveStats(childStats []*property.StatsInfo, self } if la.stats != nil { // Reload GroupNDVs since colGroups may have changed. - la.stats.GroupNDVs = la.getGroupNDVs(colGroups, childProfile, selfSchema, gbyCols) + la.stats.GroupNDVs = la.getGroupNDVs(colGroups, childProfile, gbyCols) return la.stats, nil } cardinality := getCardinality(gbyCols, childSchema[0], childProfile) @@ -762,7 +782,7 @@ func (la *LogicalAggregation) DeriveStats(childStats []*property.StatsInfo, self la.stats.Cardinality[col.UniqueID] = cardinality } la.inputCount = childProfile.RowCount - la.stats.GroupNDVs = la.getGroupNDVs(colGroups, childProfile, selfSchema, gbyCols) + la.stats.GroupNDVs = la.getGroupNDVs(colGroups, childProfile, gbyCols) return la.stats, nil } @@ -778,7 +798,7 @@ func (la *LogicalAggregation) ExtractColGroups(_ [][]*expression.Column) [][]*ex cols := expression.ExtractColumns(gbyExpr) gbyCols = append(gbyCols, cols...) } - if len(gbyCols) > 0 { + if len(gbyCols) > 1 { return [][]*expression.Column{expression.SortColumns(gbyCols)} } return nil diff --git a/planner/core/stats_test.go b/planner/core/stats_test.go index 509100038d279..0b3176eb87b60 100644 --- a/planner/core/stats_test.go +++ b/planner/core/stats_test.go @@ -136,3 +136,36 @@ func (s *testStatsSuite) TestGroupNDVs(c *C) { c.Assert(joinInput, Equals, output[i].JoinInput, comment) } } + +func (s *testStatsSuite) TestCardinalityGroupCols(c *C) { + store, dom, err := newStoreWithBootstrap() + c.Assert(err, IsNil) + defer func() { + dom.Close() + store.Close() + }() + tk := testkit.NewTestKit(c, store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a int not null, b int not null, key(a,b))") + tk.MustExec("insert into t1 values(1,1),(1,2),(2,1),(2,2)") + tk.MustExec("create table t2(a int not null, b int not null, key(a,b))") + tk.MustExec("insert into t2 values(1,1),(1,2),(1,3),(2,1),(2,2),(2,3),(3,1),(3,2),(3,3)") + tk.MustExec("analyze table t1") + tk.MustExec("analyze table t2") + + var input []string + var output []struct { + SQL string + Plan []string + } + s.testData.GetTestCases(c, &input, &output) + for i, tt := range input { + s.testData.OnRecord(func() { + output[i].SQL = tt + output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + tt).Rows()) + }) + // The test point is the row count estimation for aggregations and joins. + tk.MustQuery("explain " + tt).Check(testkit.Rows(output[i].Plan...)) + } +} diff --git a/planner/core/testdata/stats_suite_in.json b/planner/core/testdata/stats_suite_in.json index 61a2d866597a3..54dd16a356f52 100644 --- a/planner/core/testdata/stats_suite_in.json +++ b/planner/core/testdata/stats_suite_in.json @@ -53,5 +53,38 @@ // DataSource -> Window -> Aggregation. "select count(tmp.a_sum) from (select t1.a as a, t1.b as b, sum(a) over() as a_sum from t1) tmp group by tmp.a, tmp.b" ] + }, + { + "name": "TestCardinalityGroupCols", + "cases": [ + // DataSource -> Aggregation. + "select count(1) from t1 group by a, b", + // DataSource -> Join. + "select * from t1, t2 where t1.a = t2.a and t1.b = t2.b", + // DataSource(Range) -> Aggregation. + "select count(1) from t1 where a > 0 group by a, b", + // DataSource(Selection) -> Aggregation. + "select count(1) from t1 where b > 0 group by a, b", + // DataSource -> Projection -> Aggregation. + "select count(c3) from (select a as c1, b as c2, a+1 as c3 from t1) as tmp group by c2, c1", + // DataSource -> Apply(LeftOuterJoin) -> Aggregation. + "select count(tmp.cmp) from (select t1.a as a, t1.b as b, (t1.b > (select t2.b from t2 where t2.a = t1.a)) as cmp from t1) tmp group by tmp.a, tmp.b", + // DataSource -> Apply(LeftOuterSemiJoin) -> Aggregation. + "select count(tmp.cmp) from (select t1.a as a, t1.b as b, (t1.b in (select t2.b from t2 where t2.a = t1.a limit 3)) as cmp from t1) tmp group by tmp.a, tmp.b", + // DataSource -> Apply(AntiLeftOuterSemiJoin) -> Aggregation. + "select count(tmp.cmp) from (select t1.a as a, t1.b as b, (t1.b not in (select t2.b from t2 where t2.a = t1.a limit 3)) as cmp from t1) tmp group by tmp.a, tmp.b", + // DataSource -> LeftOuterJoin -> Aggregation. + "select count(1) from t1 left join t2 on t1.a = t2.a group by t1.a, t1.b", + // DataSource -> RightOuterJoin -> Aggregation. + "select count(1) from t1 right join t2 on t1.a = t2.a group by t2.a, t2.b", + // DataSource -> LeftOuterSemiJoin -> Aggregation. + "select count(tmp.cmp) from (select t1.a as a, t1.b as b, (t1.b in (select t2.b from t2 where t2.a > t1.a)) as cmp from t1) tmp group by tmp.a, tmp.b", + // DataSource -> AntiLeftOuterSemiJoin -> Aggregation. + "select count(tmp.cmp) from (select t1.a as a, t1.b as b, (t1.b not in (select t2.b from t2 where t2.a > t1.a)) as cmp from t1) tmp group by tmp.a, tmp.b", + // DataSource -> Aggregation -> Join. + "select * from t1 left join (select t2.a as a, t2.b as b, count(1) as cnt from t2 group by t2.a, t2.b) as tmp on t1.a = tmp.a and t1.b = tmp.b", + // DataSource -> Window -> Aggregation. + "select count(tmp.a_sum) from (select t1.a as a, t1.b as b, sum(a) over() as a_sum from t1) tmp group by tmp.a, tmp.b" + ] } ] diff --git a/planner/core/testdata/stats_suite_out.json b/planner/core/testdata/stats_suite_out.json index 7f1513b5ec3c2..669cb5e13319f 100644 --- a/planner/core/testdata/stats_suite_out.json +++ b/planner/core/testdata/stats_suite_out.json @@ -128,5 +128,158 @@ "JoinInput": "" } ] + }, + { + "Name": "TestCardinalityGroupCols", + "Cases": [ + { + "SQL": "select count(1) from t1 group by a, b", + "Plan": [ + "StreamAgg_9 4.00 root group by:test.t1.a, test.t1.b, funcs:count(1)->Column#4", + "└─IndexReader_22 4.00 root index:IndexFullScan_21", + " └─IndexFullScan_21 4.00 cop[tikv] table:t1, index:a(a, b) keep order:true" + ] + }, + { + "SQL": "select * from t1, t2 where t1.a = t2.a and t1.b = t2.b", + "Plan": [ + "IndexMergeJoin_17 4.00 root inner join, inner:IndexReader_15, outer key:test.t1.a, test.t1.b, inner key:test.t2.a, test.t2.b", + "├─TableReader_34(Build) 4.00 root data:TableFullScan_33", + "│ └─TableFullScan_33 4.00 cop[tikv] table:t1 keep order:false", + "└─IndexReader_15(Probe) 1.00 root index:IndexRangeScan_14", + " └─IndexRangeScan_14 1.00 cop[tikv] table:t2, index:a(a, b) range: decided by [eq(test.t2.a, test.t1.a) eq(test.t2.b, test.t1.b)], keep order:true" + ] + }, + { + "SQL": "select count(1) from t1 where a > 0 group by a, b", + "Plan": [ + "StreamAgg_10 4.00 root group by:test.t1.a, test.t1.b, funcs:count(1)->Column#4", + "└─IndexReader_20 4.00 root index:IndexRangeScan_19", + " └─IndexRangeScan_19 4.00 cop[tikv] table:t1, index:a(a, b) range:(0,+inf], keep order:true" + ] + }, + { + "SQL": "select count(1) from t1 where b > 0 group by a, b", + "Plan": [ + "StreamAgg_10 4.00 root group by:test.t1.a, test.t1.b, funcs:count(1)->Column#4", + "└─IndexReader_29 4.00 root index:Selection_28", + " └─Selection_28 4.00 cop[tikv] gt(test.t1.b, 0)", + " └─IndexFullScan_27 4.00 cop[tikv] table:t1, index:a(a, b) keep order:true" + ] + }, + { + "SQL": "select count(c3) from (select a as c1, b as c2, a+1 as c3 from t1) as tmp group by c2, c1", + "Plan": [ + "StreamAgg_10 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#4)->Column#5", + "└─Projection_16 4.00 root test.t1.a, test.t1.b, plus(test.t1.a, 1)->Column#4", + " └─IndexReader_18 4.00 root index:IndexFullScan_17", + " └─IndexFullScan_17 4.00 cop[tikv] table:t1, index:a(a, b) keep order:true" + ] + }, + { + "SQL": "select count(tmp.cmp) from (select t1.a as a, t1.b as b, (t1.b > (select t2.b from t2 where t2.a = t1.a)) as cmp from t1) tmp group by tmp.a, tmp.b", + "Plan": [ + "StreamAgg_15 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#7)->Column#8", + "└─Projection_26 4.00 root test.t1.a, test.t1.b, gt(test.t1.b, test.t2.b)->Column#7", + " └─Apply_28 4.00 root CARTESIAN left outer join", + " ├─IndexReader_30(Build) 4.00 root index:IndexFullScan_29", + " │ └─IndexFullScan_29 4.00 cop[tikv] table:t1, index:a(a, b) keep order:true", + " └─MaxOneRow_23(Probe) 1.00 root ", + " └─IndexReader_25 2.00 root index:IndexRangeScan_24", + " └─IndexRangeScan_24 2.00 cop[tikv] table:t2, index:a(a, b) range: decided by [eq(test.t2.a, test.t1.a)], keep order:false" + ] + }, + { + "SQL": "select count(tmp.cmp) from (select t1.a as a, t1.b as b, (t1.b in (select t2.b from t2 where t2.a = t1.a limit 3)) as cmp from t1) tmp group by tmp.a, tmp.b", + "Plan": [ + "StreamAgg_17 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#7)->Column#8", + "└─Apply_33 4.00 root left outer semi join, equal:[eq(test.t1.b, test.t2.b)]", + " ├─IndexReader_35(Build) 4.00 root index:IndexFullScan_34", + " │ └─IndexFullScan_34 4.00 cop[tikv] table:t1, index:a(a, b) keep order:true", + " └─Limit_24(Probe) 3.00 root offset:0, count:3", + " └─IndexReader_29 3.00 root index:Limit_28", + " └─Limit_28 3.00 cop[tikv] offset:0, count:3", + " └─IndexRangeScan_27 3.00 cop[tikv] table:t2, index:a(a, b) range: decided by [eq(test.t2.a, test.t1.a)], keep order:false" + ] + }, + { + "SQL": "select count(tmp.cmp) from (select t1.a as a, t1.b as b, (t1.b not in (select t2.b from t2 where t2.a = t1.a limit 3)) as cmp from t1) tmp group by tmp.a, tmp.b", + "Plan": [ + "StreamAgg_17 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#7)->Column#8", + "└─Apply_33 4.00 root anti left outer semi join, equal:[eq(test.t1.b, test.t2.b)]", + " ├─IndexReader_35(Build) 4.00 root index:IndexFullScan_34", + " │ └─IndexFullScan_34 4.00 cop[tikv] table:t1, index:a(a, b) keep order:true", + " └─Limit_24(Probe) 3.00 root offset:0, count:3", + " └─IndexReader_29 3.00 root index:Limit_28", + " └─Limit_28 3.00 cop[tikv] offset:0, count:3", + " └─IndexRangeScan_27 3.00 cop[tikv] table:t2, index:a(a, b) range: decided by [eq(test.t2.a, test.t1.a)], keep order:false" + ] + }, + { + "SQL": "select count(1) from t1 left join t2 on t1.a = t2.a group by t1.a, t1.b", + "Plan": [ + "HashAgg_9 4.00 root group by:test.t1.a, test.t1.b, funcs:count(1)->Column#7", + "└─HashJoin_23 12.00 root left outer join, equal:[eq(test.t1.a, test.t2.a)]", + " ├─TableReader_29(Build) 4.00 root data:TableFullScan_28", + " │ └─TableFullScan_28 4.00 cop[tikv] table:t1 keep order:false", + " └─TableReader_33(Probe) 9.00 root data:TableFullScan_32", + " └─TableFullScan_32 9.00 cop[tikv] table:t2 keep order:false" + ] + }, + { + "SQL": "select count(1) from t1 right join t2 on t1.a = t2.a group by t2.a, t2.b", + "Plan": [ + "HashAgg_9 9.00 root group by:test.t2.a, test.t2.b, funcs:count(1)->Column#7", + "└─HashJoin_22 12.00 root right outer join, equal:[eq(test.t1.a, test.t2.a)]", + " ├─TableReader_33(Build) 4.00 root data:TableFullScan_32", + " │ └─TableFullScan_32 4.00 cop[tikv] table:t1 keep order:false", + " └─TableReader_29(Probe) 9.00 root data:TableFullScan_28", + " └─TableFullScan_28 9.00 cop[tikv] table:t2 keep order:false" + ] + }, + { + "SQL": "select count(tmp.cmp) from (select t1.a as a, t1.b as b, (t1.b in (select t2.b from t2 where t2.a > t1.a)) as cmp from t1) tmp group by tmp.a, tmp.b", + "Plan": [ + "HashAgg_12 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#7)->Column#8", + "└─HashJoin_15 4.00 root left outer semi join, equal:[eq(test.t1.b, test.t2.b)], other cond:gt(test.t2.a, test.t1.a)", + " ├─TableReader_21(Build) 9.00 root data:TableFullScan_20", + " │ └─TableFullScan_20 9.00 cop[tikv] table:t2 keep order:false", + " └─TableReader_17(Probe) 4.00 root data:TableFullScan_16", + " └─TableFullScan_16 4.00 cop[tikv] table:t1 keep order:false" + ] + }, + { + "SQL": "select count(tmp.cmp) from (select t1.a as a, t1.b as b, (t1.b not in (select t2.b from t2 where t2.a > t1.a)) as cmp from t1) tmp group by tmp.a, tmp.b", + "Plan": [ + "HashAgg_12 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#7)->Column#8", + "└─HashJoin_15 4.00 root anti left outer semi join, equal:[eq(test.t1.b, test.t2.b)], other cond:gt(test.t2.a, test.t1.a)", + " ├─TableReader_21(Build) 9.00 root data:TableFullScan_20", + " │ └─TableFullScan_20 9.00 cop[tikv] table:t2 keep order:false", + " └─TableReader_17(Probe) 4.00 root data:TableFullScan_16", + " └─TableFullScan_16 4.00 cop[tikv] table:t1 keep order:false" + ] + }, + { + "SQL": "select * from t1 left join (select t2.a as a, t2.b as b, count(1) as cnt from t2 group by t2.a, t2.b) as tmp on t1.a = tmp.a and t1.b = tmp.b", + "Plan": [ + "Projection_7 4.00 root test.t1.a, test.t1.b, test.t2.a, test.t2.b, Column#7", + "└─MergeJoin_8 4.00 root left outer join, left key:test.t1.a, test.t1.b, right key:test.t2.a, test.t2.b", + " ├─StreamAgg_14(Build) 9.00 root group by:test.t2.a, test.t2.b, funcs:count(1)->Column#7, funcs:firstrow(test.t2.a)->test.t2.a, funcs:firstrow(test.t2.b)->test.t2.b", + " │ └─IndexReader_19 9.00 root index:IndexFullScan_18", + " │ └─IndexFullScan_18 9.00 cop[tikv] table:t2, index:a(a, b) keep order:true", + " └─IndexReader_12(Probe) 4.00 root index:IndexFullScan_11", + " └─IndexFullScan_11 4.00 cop[tikv] table:t1, index:a(a, b) keep order:true" + ] + }, + { + "SQL": "select count(tmp.a_sum) from (select t1.a as a, t1.b as b, sum(a) over() as a_sum from t1) tmp group by tmp.a, tmp.b", + "Plan": [ + "HashAgg_11 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#5)->Column#6", + "└─Window_12 4.00 root sum(cast(test.t1.a, decimal(65,0) BINARY))->Column#5 over()", + " └─TableReader_14 4.00 root data:TableFullScan_13", + " └─TableFullScan_13 4.00 cop[tikv] table:t1 keep order:false" + ] + } + ] } ] From b8685c5dbf85e5e1e9112666e77771aba17d12f5 Mon Sep 17 00:00:00 2001 From: Win-Man <825895587@qq.com> Date: Tue, 27 Oct 2020 11:37:35 +0800 Subject: [PATCH 0085/1021] executor: fix float data result (#20525) --- server/util.go | 8 +++++++- server/util_test.go | 12 ++++++++++++ 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/server/util.go b/server/util.go index 3862be8905b04..51df865a8907e 100644 --- a/server/util.go +++ b/server/util.go @@ -354,8 +354,14 @@ const ( func appendFormatFloat(in []byte, fVal float64, prec, bitSize int) []byte { absVal := math.Abs(fVal) + isEFormat := false + if bitSize == 32 { + isEFormat = (prec == types.UnspecifiedLength && (float32(absVal) >= expFormatBig || (float32(absVal) != 0 && float32(absVal) < expFormatSmall))) + } else { + isEFormat = (prec == types.UnspecifiedLength && (absVal >= expFormatBig || (absVal != 0 && absVal < expFormatSmall))) + } var out []byte - if prec == types.UnspecifiedLength && (absVal >= expFormatBig || (absVal != 0 && absVal < expFormatSmall)) { + if isEFormat { if bitSize == 32 { prec = defaultMySQLPrec } diff --git a/server/util_test.go b/server/util_test.go index 84c71cb8b62ed..029734167dc9f 100644 --- a/server/util_test.go +++ b/server/util_test.go @@ -389,6 +389,18 @@ func (s *testUtilSuite) TestAppendFormatFloat(c *C) { -1, 32, }, + { + 999999986991104, + "1e15", + -1, + 32, + }, + { + 1e15, + "1e15", + -1, + 32, + }, } for _, t := range tests { c.Assert(string(appendFormatFloat(nil, t.fVal, t.prec, t.bitSize)), Equals, t.out) From 9660283d2d401bc10c05af606633fe1d88f86c69 Mon Sep 17 00:00:00 2001 From: djshow832 <873581766@qq.com> Date: Tue, 27 Oct 2020 14:35:38 +0800 Subject: [PATCH 0086/1021] infoschema: Provide a system table to query placement rules (#20616) --- ddl/db_test.go | 4 +- ddl/ddl_api.go | 2 +- ddl/placement/const.go | 5 +- ddl/placement/types.go | 25 +++++++ ddl/placement/utils.go | 34 +++++++++- ddl/placement/utils_test.go | 121 ++++++++++++++++++++++++++++++++++ executor/builder.go | 3 +- executor/infoschema_reader.go | 48 ++++++++++++++ infoschema/infoschema.go | 20 ++++-- infoschema/tables.go | 17 +++++ infoschema/tables_test.go | 72 ++++++++++++++++++++ server/http_handler.go | 2 +- 12 files changed, 340 insertions(+), 13 deletions(-) create mode 100644 ddl/placement/utils_test.go diff --git a/ddl/db_test.go b/ddl/db_test.go index 9a231574087a5..829a8efc6ceb6 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -4995,11 +4995,11 @@ func (s *testSerialDBSuite) TestSetTableFlashReplica(c *C) { // Test for FindTableByPartitionID. is := domain.GetDomain(tk.Se).InfoSchema() - t, dbInfo := is.FindTableByPartitionID(partition.Definitions[0].ID) + t, dbInfo, _ := is.FindTableByPartitionID(partition.Definitions[0].ID) c.Assert(t, NotNil) c.Assert(dbInfo, NotNil) c.Assert(t.Meta().Name.L, Equals, "t_flash") - t, dbInfo = is.FindTableByPartitionID(t.Meta().ID) + t, dbInfo, _ = is.FindTableByPartitionID(t.Meta().ID) c.Assert(t, IsNil) c.Assert(dbInfo, IsNil) failpoint.Disable("github.com/pingcap/tidb/infoschema/mockTiFlashStoreCount") diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index f4d60419db429..bd3c73f63b054 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -4231,7 +4231,7 @@ func (d *ddl) UpdateTableReplicaInfo(ctx sessionctx.Context, physicalID int64, a is := d.infoHandle.Get() tb, ok := is.TableByID(physicalID) if !ok { - tb, _ = is.FindTableByPartitionID(physicalID) + tb, _, _ = is.FindTableByPartitionID(physicalID) if tb == nil { return infoschema.ErrTableNotExists.GenWithStack("Table which ID = %d does not exist.", physicalID) } diff --git a/ddl/placement/const.go b/ddl/placement/const.go index 3e4df60882dbd..9c171dcbf582b 100644 --- a/ddl/placement/const.go +++ b/ddl/placement/const.go @@ -13,9 +13,8 @@ package placement -// RuleDefaultGroupID is the default GroupID for all placement rules, to -// indicate that it is from TiDB_DDL statements. -const RuleDefaultGroupID = "TiDB_DDL" +// BundleIDPrefix is the bundle prefix of all rules from TiDB_DDL statements. +const BundleIDPrefix = "TiDB_DDL_" const ( // RuleIndexDefault is the default index for a rule, check Rule.Index. diff --git a/ddl/placement/types.go b/ddl/placement/types.go index bf46635696bc0..0f17cd2f7f659 100644 --- a/ddl/placement/types.go +++ b/ddl/placement/types.go @@ -15,6 +15,9 @@ package placement import ( "encoding/json" + "strings" + + "github.com/pingcap/errors" ) // Refer to https://github.com/tikv/pd/issues/2701 . @@ -59,6 +62,28 @@ type LabelConstraint struct { Values []string `json:"values,omitempty"` } +// Restore converts the LabelConstraint to a string. +func (c *LabelConstraint) Restore() (string, error) { + var sb strings.Builder + for i, value := range c.Values { + switch c.Op { + case In: + sb.WriteString("+") + case NotIn: + sb.WriteString("-") + default: + return "", errors.Errorf("Unsupported label constraint operation: %s", c.Op) + } + sb.WriteString(c.Key) + sb.WriteString("=") + sb.WriteString(value) + if i < len(c.Values)-1 { + sb.WriteString(",") + } + } + return sb.String(), nil +} + // Rule is the placement rule. Check https://github.com/tikv/pd/blob/master/server/schedule/placement/rule.go. type Rule struct { GroupID string `json:"group_id"` diff --git a/ddl/placement/utils.go b/ddl/placement/utils.go index 4805723b6cdc9..dac822d012bc8 100644 --- a/ddl/placement/utils.go +++ b/ddl/placement/utils.go @@ -16,6 +16,7 @@ package placement import ( "encoding/hex" "fmt" + "strconv" "strings" "github.com/pingcap/errors" @@ -76,7 +77,38 @@ func CheckLabelConstraints(labels []string) ([]LabelConstraint, error) { // GroupID accepts a tableID or whatever integer, and encode the integer into a valid GroupID for PD. func GroupID(id int64) string { - return fmt.Sprintf("TIDB_DDL_%d", id) + return fmt.Sprintf("%s%d", BundleIDPrefix, id) +} + +// ObjectIDFromGroupID extracts the db/table/partition ID from the group ID +func ObjectIDFromGroupID(groupID string) (int64, error) { + // If the rule doesn't come from TiDB, skip it. + if !strings.HasPrefix(groupID, BundleIDPrefix) { + return 0, nil + } + id, err := strconv.ParseInt(groupID[len(BundleIDPrefix):], 10, 64) + if err != nil || id <= 0 { + return 0, errors.Errorf("Rule %s doesn't include an id", groupID) + } + return id, nil +} + +// RestoreLabelConstraintList converts the label constraints to a readable string. +func RestoreLabelConstraintList(constraints []LabelConstraint) (string, error) { + var sb strings.Builder + for i, constraint := range constraints { + sb.WriteByte('"') + conStr, err := constraint.Restore() + if err != nil { + return "", err + } + sb.WriteString(conStr) + sb.WriteByte('"') + if i < len(constraints)-1 { + sb.WriteByte(',') + } + } + return sb.String(), nil } // BuildPlacementDropBundle builds the bundle to drop placement rules. diff --git a/ddl/placement/utils_test.go b/ddl/placement/utils_test.go new file mode 100644 index 0000000000000..42ecab14482a5 --- /dev/null +++ b/ddl/placement/utils_test.go @@ -0,0 +1,121 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package placement + +import ( + . "github.com/pingcap/check" +) + +var _ = Suite(&testUtilsSuite{}) + +type testUtilsSuite struct{} + +func (t *testUtilsSuite) TestRestoreConstraints(c *C) { + testCases := []struct { + constraints []LabelConstraint + expectedResult string + expectErr bool + }{ + { + constraints: []LabelConstraint{}, + expectedResult: ``, + }, + { + constraints: []LabelConstraint{ + { + Key: "zone", + Op: "in", + Values: []string{"bj"}, + }, + }, + expectedResult: `"+zone=bj"`, + }, + { + constraints: []LabelConstraint{ + { + Key: "zone", + Op: "notIn", + Values: []string{"bj"}, + }, + }, + expectedResult: `"-zone=bj"`, + }, + { + constraints: []LabelConstraint{ + { + Key: "zone", + Op: "exists", + Values: []string{"bj"}, + }, + }, + expectErr: true, + }, + { + constraints: []LabelConstraint{ + { + Key: "zone", + Op: "in", + Values: []string{"bj", "sh"}, + }, + }, + expectedResult: `"+zone=bj,+zone=sh"`, + }, + { + constraints: []LabelConstraint{ + { + Key: "zone", + Op: "in", + Values: []string{"bj", "sh"}, + }, + { + Key: "disk", + Op: "in", + Values: []string{"ssd"}, + }, + }, + expectedResult: `"+zone=bj,+zone=sh","+disk=ssd"`, + }, + } + for _, testCase := range testCases { + rs, err := RestoreLabelConstraintList(testCase.constraints) + if testCase.expectErr { + c.Assert(err, NotNil) + } else { + c.Assert(rs, Equals, testCase.expectedResult) + } + } +} + +func (t *testUtilsSuite) TestObjectIDFromGroupID(c *C) { + testCases := []struct { + bundleID string + expectedID int64 + expectErr bool + }{ + {"pd", 0, false}, + {"TiDB_DDL_foo", 0, true}, + {"TiDB_DDL_3x", 0, true}, + {"TiDB_DDL_3.0", 0, true}, + {"TiDB_DDL_-10", 0, true}, + {"TiDB_DDL_10", 10, false}, + } + for _, testCase := range testCases { + id, err := ObjectIDFromGroupID(testCase.bundleID) + if testCase.expectErr { + c.Assert(err, NotNil) + } else { + c.Assert(id, Equals, testCase.expectedID) + } + } +} diff --git a/executor/builder.go b/executor/builder.go index ae077a1dc3346..fe6fb28679beb 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -1506,7 +1506,8 @@ func (b *executorBuilder) buildMemTable(v *plannercore.PhysicalMemTable) Executo strings.ToLower(infoschema.TableStatementsSummary), strings.ToLower(infoschema.TableStatementsSummaryHistory), strings.ToLower(infoschema.ClusterTableStatementsSummary), - strings.ToLower(infoschema.ClusterTableStatementsSummaryHistory): + strings.ToLower(infoschema.ClusterTableStatementsSummaryHistory), + strings.ToLower(infoschema.TablePlacementPolicy): return &MemTableReaderExec{ baseExecutor: newBaseExecutor(b.ctx, v.Schema(), v.ID()), table: v.Table, diff --git a/executor/infoschema_reader.go b/executor/infoschema_reader.go index 59e5f4b3b2d5e..420d3b3b29d54 100644 --- a/executor/infoschema_reader.go +++ b/executor/infoschema_reader.go @@ -31,6 +31,7 @@ import ( "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" + "github.com/pingcap/tidb/ddl/placement" "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/domain/infosync" "github.com/pingcap/tidb/infoschema" @@ -138,6 +139,8 @@ func (e *memtableRetriever) retrieve(ctx context.Context, sctx sessionctx.Contex infoschema.ClusterTableStatementsSummary, infoschema.ClusterTableStatementsSummaryHistory: err = e.setDataForStatementsSummary(sctx, e.table.Name.O) + case infoschema.TablePlacementPolicy: + err = e.setDataForPlacementPolicy(sctx) } if err != nil { return nil, err @@ -1779,6 +1782,51 @@ func (e *memtableRetriever) setDataForStatementsSummary(ctx sessionctx.Context, return nil } +func (e *memtableRetriever) setDataForPlacementPolicy(ctx sessionctx.Context) error { + checker := privilege.GetPrivilegeManager(ctx) + is := infoschema.GetInfoSchema(ctx) + ruleBundles := is.RuleBundles() + var rows [][]types.Datum + for _, bundle := range ruleBundles { + id, err := placement.ObjectIDFromGroupID(bundle.ID) + if err != nil { + return errors.Wrapf(err, "Restore bundle %s failed", bundle.ID) + } + if id == 0 { + continue + } + // Currently, only partitions have placement rules. + tb, db, part := is.FindTableByPartitionID(id) + if tb == nil { + return errors.Errorf("Can't find partition by id %d", id) + } + if checker != nil && !checker.RequestVerification(ctx.GetSessionVars().ActiveRoles, db.Name.L, tb.Meta().Name.L, "", mysql.SelectPriv) { + continue + } + for _, rule := range bundle.Rules { + constraint, err := placement.RestoreLabelConstraintList(rule.LabelConstraints) + if err != nil { + return errors.Wrapf(err, "Restore rule %s in bundle %s failed", rule.ID, bundle.ID) + } + row := types.MakeDatums( + bundle.ID, + bundle.Index, + rule.ID, + db.Name.L, + tb.Meta().Name.L, + part.Name.L, + nil, + string(rule.Role), + rule.Count, + constraint, + ) + rows = append(rows, row) + } + } + e.rows = rows + return nil +} + type hugeMemTableRetriever struct { dummyCloser table *model.TableInfo diff --git a/infoschema/infoschema.go b/infoschema/infoschema.go index f2e1033ad7464..46d955a5b9ac4 100644 --- a/infoschema/infoschema.go +++ b/infoschema/infoschema.go @@ -53,9 +53,13 @@ type InfoSchema interface { TableIsView(schema, table model.CIStr) bool // TableIsSequence indicates whether the schema.table is a sequence. TableIsSequence(schema, table model.CIStr) bool - FindTableByPartitionID(partitionID int64) (table.Table, *model.DBInfo) + FindTableByPartitionID(partitionID int64) (table.Table, *model.DBInfo, *model.PartitionDefinition) // BundleByName is used to get a rule bundle. BundleByName(name string) (*placement.Bundle, bool) + // RuleBundles returns all placement rule bundles. + RuleBundles() map[string]*placement.Bundle + // MockBundles is only used for TEST. + MockBundles(map[string]*placement.Bundle) } type sortedTables []table.Table @@ -271,7 +275,7 @@ func (is *infoSchema) SchemaTables(schema model.CIStr) (tables []table.Table) { // FindTableByPartitionID finds the partition-table info by the partitionID. // FindTableByPartitionID will traverse all the tables to find the partitionID partition in which partition-table. -func (is *infoSchema) FindTableByPartitionID(partitionID int64) (table.Table, *model.DBInfo) { +func (is *infoSchema) FindTableByPartitionID(partitionID int64) (table.Table, *model.DBInfo, *model.PartitionDefinition) { for _, v := range is.schemaMap { for _, tbl := range v.tables { pi := tbl.Meta().GetPartitionInfo() @@ -280,12 +284,12 @@ func (is *infoSchema) FindTableByPartitionID(partitionID int64) (table.Table, *m } for _, p := range pi.Definitions { if p.ID == partitionID { - return tbl, v.dbInfo + return tbl, v.dbInfo, &p } } } } - return nil, nil + return nil, nil, nil } func (is *infoSchema) Clone() (result []*model.DBInfo) { @@ -401,3 +405,11 @@ func (is *infoSchema) BundleByName(name string) (*placement.Bundle, bool) { t, r := is.ruleBundleMap[name] return t, r } + +func (is *infoSchema) RuleBundles() map[string]*placement.Bundle { + return is.ruleBundleMap +} + +func (is *infoSchema) MockBundles(ruleBundleMap map[string]*placement.Bundle) { + is.ruleBundleMap = ruleBundleMap +} diff --git a/infoschema/tables.go b/infoschema/tables.go index 811e9ecbbfc3f..64fe4496ef418 100644 --- a/infoschema/tables.go +++ b/infoschema/tables.go @@ -152,6 +152,8 @@ const ( TableTiFlashTables = "TIFLASH_TABLES" // TableTiFlashSegments is the string constant of tiflash segments table. TableTiFlashSegments = "TIFLASH_SEGMENTS" + // TablePlacementPolicy is the string constant of placement policy table. + TablePlacementPolicy = "PLACEMENT_POLICY" ) var tableIDMap = map[string]int64{ @@ -220,6 +222,7 @@ var tableIDMap = map[string]int64{ TableStorageStats: autoid.InformationSchemaDBID + 63, TableTiFlashTables: autoid.InformationSchemaDBID + 64, TableTiFlashSegments: autoid.InformationSchemaDBID + 65, + TablePlacementPolicy: autoid.InformationSchemaDBID + 66, } type columnInfo struct { @@ -1248,6 +1251,19 @@ var tableTableTiFlashSegmentsCols = []columnInfo{ {name: "TIFLASH_INSTANCE", tp: mysql.TypeVarchar, size: 64}, } +var tablePlacementPolicyCols = []columnInfo{ + {name: "GROUP_ID", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag}, + {name: "GROUP_INDEX", tp: mysql.TypeLonglong, size: 64, flag: mysql.NotNullFlag | mysql.UnsignedFlag}, + {name: "RULE_ID", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag}, + {name: "SCHEMA_NAME", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag}, + {name: "TABLE_NAME", tp: mysql.TypeVarchar, size: 64}, + {name: "PARTITION_NAME", tp: mysql.TypeVarchar, size: 64}, + {name: "INDEX_NAME", tp: mysql.TypeVarchar, size: 64}, + {name: "ROLE", tp: mysql.TypeVarchar, size: 16, flag: mysql.NotNullFlag}, + {name: "REPLICAS", tp: mysql.TypeLonglong, size: 64, flag: mysql.UnsignedFlag}, + {name: "CONSTRAINTS", tp: mysql.TypeVarchar, size: 1024}, +} + // GetShardingInfo returns a nil or description string for the sharding information of given TableInfo. // The returned description string may be: // - "NOT_SHARDED": for tables that SHARD_ROW_ID_BITS is not specified. @@ -1608,6 +1624,7 @@ var tableNameToColumns = map[string][]columnInfo{ TableStorageStats: tableStorageStatsCols, TableTiFlashTables: tableTableTiFlashTablesCols, TableTiFlashSegments: tableTableTiFlashSegmentsCols, + TablePlacementPolicy: tablePlacementPolicyCols, } func createInfoSchemaTable(_ autoid.Allocators, meta *model.TableInfo) (table.Table, error) { diff --git a/infoschema/tables_test.go b/infoschema/tables_test.go index 8679ab29b847d..e4f6fbb596a71 100644 --- a/infoschema/tables_test.go +++ b/infoschema/tables_test.go @@ -33,6 +33,7 @@ import ( "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/config" + "github.com/pingcap/tidb/ddl/placement" "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/kv" @@ -1366,3 +1367,74 @@ func (s *testTableSuite) TestServerInfoResolveLoopBackAddr(c *C) { c.Assert(n.StatusAddr, Equals, "192.168.130.22:10080") } } + +func (s *testTableSuite) TestPlacementPolicy(c *C) { + tk := s.newTestKitWithRoot(c) + tk.MustExec("use test") + tk.MustExec("create table test_placement(id int primary key) partition by hash(id) partitions 2") + + is := s.dom.InfoSchema() + tb, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("test_placement")) + c.Assert(err, IsNil) + partDefs := tb.Meta().GetPartitionInfo().Definitions + + bundles := make(map[string]*placement.Bundle) + is.MockBundles(bundles) + tk.MustQuery("select * from information_schema.placement_policy").Check(testkit.Rows()) + + bundleID := "pd" + bundle := &placement.Bundle{ + ID: bundleID, + Rules: []*placement.Rule{ + { + GroupID: bundleID, + ID: "default", + Role: "voter", + Count: 3, + }, + }, + } + bundles[bundleID] = bundle + tk.MustQuery("select * from information_schema.placement_policy").Check(testkit.Rows()) + + bundleID = fmt.Sprintf("%s%d", placement.BundleIDPrefix, partDefs[0].ID) + bundle = &placement.Bundle{ + ID: bundleID, + Index: 3, + Override: true, + Rules: []*placement.Rule{ + { + GroupID: bundleID, + ID: "0", + Role: "voter", + Count: 3, + LabelConstraints: []placement.LabelConstraint{ + { + Key: "zone", + Op: "in", + Values: []string{"bj"}, + }, + }, + }, + }, + } + bundles[bundleID] = bundle + expected := fmt.Sprintf(`%s 3 0 test test_placement p0 voter 3 "+zone=bj"`, bundleID) + tk.MustQuery(`select group_id, group_index, rule_id, schema_name, table_name, partition_name, index_name, + role, replicas, constraints from information_schema.placement_policy`).Check(testkit.Rows(expected)) + + rule1 := bundle.Rules[0].Clone() + rule1.ID = "1" + bundle.Rules = append(bundle.Rules, rule1) + tk.MustQuery("select rule_id, schema_name, table_name, partition_name from information_schema.placement_policy order by rule_id").Check(testkit.Rows( + "0 test test_placement p0", "1 test test_placement p0")) + + bundleID = fmt.Sprintf("%s%d", placement.BundleIDPrefix, partDefs[1].ID) + bundle1 := bundle.Clone() + bundle1.ID = bundleID + bundle1.Rules[0].GroupID = bundleID + bundle1.Rules[1].GroupID = bundleID + bundles[bundleID] = bundle1 + tk.MustQuery("select rule_id, schema_name, table_name, partition_name from information_schema.placement_policy order by partition_name, rule_id").Check(testkit.Rows( + "0 test test_placement p0", "1 test test_placement p0", "0 test test_placement p1", "1 test test_placement p1")) +} diff --git a/server/http_handler.go b/server/http_handler.go index 8fd0d775ab774..9498527cd848b 100644 --- a/server/http_handler.go +++ b/server/http_handler.go @@ -1797,7 +1797,7 @@ func (h dbTableHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) { return } // The physicalID maybe a partition ID of the partition-table. - tbl, dbInfo := schema.FindTableByPartitionID(int64(physicalID)) + tbl, dbInfo, _ := schema.FindTableByPartitionID(int64(physicalID)) if tbl == nil { writeError(w, infoschema.ErrTableNotExists.GenWithStack("Table which ID = %s does not exist.", tableID)) return From 23d8b304707ac115cbde9f50733462368fe5f30f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=99=8E?= Date: Tue, 27 Oct 2020 16:24:59 +0800 Subject: [PATCH 0087/1021] expression, executor: add iso 8601 and timezone support for temporal string literal (#20534) --- executor/insert_test.go | 87 ++++++++++++ expression/integration_test.go | 2 +- types/time.go | 247 ++++++++++++++++++++++++++++++--- types/time_test.go | 158 ++++++++++++++++++++- 4 files changed, 464 insertions(+), 30 deletions(-) diff --git a/executor/insert_test.go b/executor/insert_test.go index cf174760f5dd0..6ac541a42672e 100644 --- a/executor/insert_test.go +++ b/executor/insert_test.go @@ -337,6 +337,93 @@ func (s *testSuite3) TestInsertDateTimeWithTimeZone(c *C) { tk.MustQuery(`select * from t;`).Check(testkit.Rows( `1 1970-01-01 09:20:34`, )) + + // test for ambiguous cases + cases := []struct { + lit string + expect string + }{ + {"2020-10-22", "2020-10-22 00:00:00"}, + {"2020-10-22-16", "2020-10-22 16:00:00"}, + {"2020-10-22 16-31", "2020-10-22 16:31:00"}, + {"2020-10-22 16:31-15", "2020-10-22 16:31:15"}, + {"2020-10-22T16:31:15-10", "2020-10-23 10:31:15"}, + + {"2020.10-22", "2020-10-22 00:00:00"}, + {"2020-10.22-16", "2020-10-22 16:00:00"}, + {"2020-10-22.16-31", "2020-10-22 16:31:00"}, + {"2020-10-22 16.31-15", "2020-10-22 16:31:15"}, + {"2020-10-22T16.31.15+14", "2020-10-22 10:31:15"}, + + {"2020-10:22", "2020-10-22 00:00:00"}, + {"2020-10-22:16", "2020-10-22 16:00:00"}, + {"2020-10-22-16:31", "2020-10-22 16:31:00"}, + {"2020-10-22 16-31:15", "2020-10-22 16:31:15"}, + {"2020-10-22T16.31.15+09:30", "2020-10-22 15:01:15"}, + + {"2020.10-22:16", "2020-10-22 16:00:00"}, + {"2020-10.22-16:31", "2020-10-22 16:31:00"}, + {"2020-10-22.16-31:15", "2020-10-22 16:31:15"}, + {"2020-10-22T16:31.15+09:30", "2020-10-22 15:01:15"}, + } + tk.MustExec(`drop table if exists t`) + tk.MustExec(`create table t (dt datetime)`) + tk.MustExec(`set @@time_zone='+08:00'`) + for _, ca := range cases { + tk.MustExec(`delete from t`) + tk.MustExec(fmt.Sprintf("insert into t values ('%s')", ca.lit)) + tk.MustQuery(`select * from t`).Check(testkit.Rows(ca.expect)) + } + + // test for time zone change + tzcCases := []struct { + tz1 string + lit string + tz2 string + exp1 string + exp2 string + }{ + {"+08:00", "2020-10-22T16:53:40Z", "+00:00", "2020-10-23 00:53:40", "2020-10-22 16:53:40"}, + {"-08:00", "2020-10-22T16:53:40Z", "+08:00", "2020-10-22 08:53:40", "2020-10-23 00:53:40"}, + {"-03:00", "2020-10-22T16:53:40+03:00", "+08:00", "2020-10-22 10:53:40", "2020-10-22 21:53:40"}, + {"+08:00", "2020-10-22T16:53:40+08:00", "+08:00", "2020-10-22 16:53:40", "2020-10-22 16:53:40"}, + } + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (dt datetime, ts timestamp)") + for _, ca := range tzcCases { + tk.MustExec("delete from t") + tk.MustExec(fmt.Sprintf("set @@time_zone='%s'", ca.tz1)) + tk.MustExec(fmt.Sprintf("insert into t values ('%s', '%s')", ca.lit, ca.lit)) + tk.MustExec(fmt.Sprintf("set @@time_zone='%s'", ca.tz2)) + tk.MustQuery("select * from t").Check(testkit.Rows(ca.exp1 + " " + ca.exp2)) + } + + // test for datetime in compare + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (ts timestamp)") + tk.MustExec("insert into t values ('2020-10-22T12:00:00Z'), ('2020-10-22T13:00:00Z'), ('2020-10-22T14:00:00Z')") + tk.MustQuery(fmt.Sprintf("select count(*) from t where ts > '2020-10-22T12:00:00Z'")).Check(testkit.Rows("2")) + + // test for datetime with fsp + fspCases := []struct { + fsp uint + lit string + exp1 string + exp2 string + }{ + {2, "2020-10-27T14:39:10.10+00:00", "2020-10-27 22:39:10.10", "2020-10-27 22:39:10.10"}, + {1, "2020-10-27T14:39:10.3+0200", "2020-10-27 20:39:10.3", "2020-10-27 20:39:10.3"}, + {6, "2020-10-27T14:39:10.3-02", "2020-10-28 00:39:10.300000", "2020-10-28 00:39:10.300000"}, + {2, "2020-10-27T14:39:10.10Z", "2020-10-27 22:39:10.10", "2020-10-27 22:39:10.10"}, + } + + tk.MustExec("set @@time_zone='+08:00'") + for _, ca := range fspCases { + tk.MustExec("drop table if exists t") + tk.MustExec(fmt.Sprintf("create table t (dt datetime(%d), ts timestamp(%d))", ca.fsp, ca.fsp)) + tk.MustExec(fmt.Sprintf("insert into t values ('%s', '%s')", ca.lit, ca.lit)) + tk.MustQuery("select * from t").Check(testkit.Rows(ca.exp1 + " " + ca.exp2)) + } } func (s *testSuite3) TestInsertZeroYear(c *C) { diff --git a/expression/integration_test.go b/expression/integration_test.go index 31cb8ed221ba6..aaceaa858122a 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -1743,7 +1743,7 @@ func (s *testIntegrationSuite2) TestTimeBuiltin(c *C) { result.Check(testkit.Rows(" 0")) tk.MustQuery("show warnings").Check(testutil.RowsWithSep("|", "Warning|1292|Incorrect time value: '0'", - "Warning|1292|Incorrect time value: '0.0'")) + "Warning|1292|Incorrect datetime value: '0.0'")) result = tk.MustQuery(`SELECT DATE_FORMAT(0, '%W %M %e %Y %r %y'), DATE_FORMAT(0.0, '%W %M %e %Y %r %y');`) result.Check(testkit.Rows(" ")) tk.MustQuery("show warnings").Check(testkit.Rows()) diff --git a/types/time.go b/types/time.go index b05614ebe91a4..d97cc55958c87 100644 --- a/types/time.go +++ b/types/time.go @@ -789,15 +789,122 @@ func isValidSeparator(c byte, prevParts int) bool { return prevParts == 2 && (c == ' ' || c == 'T') } -// See https://dev.mysql.com/doc/refman/5.7/en/date-and-time-literals.html. -// The only delimiter recognized between a date and time part and a fractional seconds part is the decimal point. -func splitDateTime(format string) (seps []string, fracStr string) { - index := GetFracIndex(format) - if index > 0 { - fracStr = format[index+1:] - format = format[:index] +var validIdxCombinations = map[int]struct { + h int + m int +}{ + 100: {0, 0}, // 23:59:59Z + 30: {2, 0}, // 23:59:59+08 + 50: {4, 2}, // 23:59:59+0800 + 63: {5, 2}, // 23:59:59+08:00 + // postgres supports the following additional syntax that deviates from ISO8601, although we won't support it + // currently, it will be fairly easy to add in the current parsing framework + // 23:59:59Z+08 + // 23:59:59Z+08:00 +} + +// GetTimezone parses the trailing timezone information of a given time string literal. If idx = -1 is returned, it +// means timezone information not found, otherwise it indicates the index of the starting index of the timezone +// information. If the timezone contains sign, hour part and/or minute part, it will be returned as is, otherwise an +// empty string will be returned. +// +// Supported syntax: +// MySQL compatible: ((?P[-+])(?P[0-9]{2}):(?P[0-9]{2})){0,1}$, see +// https://dev.mysql.com/doc/refman/8.0/en/time-zone-support.html and https://dev.mysql.com/doc/refman/8.0/en/datetime.html +// the first link specified that timezone information should be in "[H]H:MM, prefixed with a + or -" while the +// second link specified that for string literal, "hour values less than than 10, a leading zero is required.". +// ISO-8601: Z|((((?P[-+])(?P[0-9]{2})(:(?P[0-9]{2}){0,1}){0,1})|((?P[0-9]{2}){0,1}){0,1}))$ +// see https://www.cl.cam.ac.uk/~mgk25/iso-time.html +func GetTimezone(lit string) (idx int, tzSign, tzHour, tzSep, tzMinute string) { + idx, zidx, sidx, spidx := -1, -1, -1, -1 + // idx is for the position of the starting of the timezone information + // zidx is for the z symbol + // sidx is for the sign + // spidx is for the separator + l := len(lit) + // the following loop finds the first index of Z, sign, and separator from backwards. + for i := l - 1; 0 <= i; i-- { + if lit[i] == 'Z' { + zidx = i + break + } + if sidx == -1 && (lit[i] == '-' || lit[i] == '+') { + sidx = i + } + if spidx == -1 && lit[i] == ':' { + spidx = i + } + } + // we could enumerate all valid combinations of these values and look it up in a table, see validIdxCombinations + // zidx can be -1 (23:59:59+08:00), l-1 (23:59:59Z) + // sidx can be -1, l-3, l-5, l-6 + // spidx can be -1, l-3 + k := 0 + if l-zidx == 1 { + k += 100 + } + if t := l - sidx; t == 3 || t == 5 || t == 6 { + k += t * 10 + } + if l-spidx == 3 { + k += 3 + } + if v, ok := validIdxCombinations[k]; ok { + hidx, midx := l-v.h, l-v.m + valid := func(v string) bool { + return '0' <= v[0] && v[0] <= '9' && '0' <= v[1] && v[1] <= '9' + } + if sidx != -1 { + tzSign = lit[sidx : sidx+1] + idx = sidx + } + if zidx != -1 { + idx = zidx + } + if (l - spidx) == 3 { + tzSep = lit[spidx : spidx+1] + } + if v.h != 0 { + tzHour = lit[hidx : hidx+2] + if !valid(tzHour) { + return -1, "", "", "", "" + } + } + if v.m != 0 { + tzMinute = lit[midx : midx+2] + if !valid(tzMinute) { + return -1, "", "", "", "" + } + } + return } + return -1, "", "", "", "" +} +// See https://dev.mysql.com/doc/refman/5.7/en/date-and-time-literals.html. +// splitDateTime splits the string literal into 3 parts, date & time, FSP and time zone. +// For FSP, The only delimiter recognized between a date & time part and a fractional seconds part is the decimal point, +// therefore we could look from backwards at the literal to find the index of the decimal point. +// For time zone, the possible delimiter could be +/- (w.r.t. MySQL 8.0, see +// https://dev.mysql.com/doc/refman/8.0/en/datetime.html) and Z/z (w.r.t. ISO 8601, see section Time zone in +// https://www.cl.cam.ac.uk/~mgk25/iso-time.html). We also look from backwards for the delimiter, see GetTimezone. +func splitDateTime(format string) (seps []string, fracStr string, hasTZ bool, tzSign, tzHour, tzSep, tzMinute string) { + tzIndex, tzSign, tzHour, tzSep, tzMinute := GetTimezone(format) + if tzIndex > 0 { + hasTZ = true + for ; tzIndex > 0 && isPunctuation(format[tzIndex-1]); tzIndex-- { + // in case of multiple separators, e.g. 2020-10--10 + } + format = format[:tzIndex] + } + fracIndex := GetFracIndex(format) + if fracIndex > 0 { + fracStr = format[fracIndex+1:] + for ; fracIndex > 0 && isPunctuation(format[fracIndex-1]); fracIndex-- { + // in case of multiple separators, e.g. 2020-10..10 + } + format = format[:fracIndex] + } seps = ParseDateFormat(format) return } @@ -805,14 +912,88 @@ func splitDateTime(format string) (seps []string, fracStr string) { // See https://dev.mysql.com/doc/refman/5.7/en/date-and-time-literals.html. func parseDatetime(sc *stmtctx.StatementContext, str string, fsp int8, isFloat bool) (Time, error) { var ( - year, month, day, hour, minute, second int - fracStr string - hhmmss bool - err error + year, month, day, hour, minute, second, deltaHour, deltaMinute int + fracStr string + tzSign, tzHour, tzSep, tzMinute string + hasTZ, hhmmss bool + err error ) - seps, fracStr := splitDateTime(str) + seps, fracStr, hasTZ, tzSign, tzHour, tzSep, tzMinute := splitDateTime(str) + var truncatedOrIncorrect bool + /* + if we have timezone parsed, there are the following cases to be considered, however some of them are wrongly parsed, and we should consider absorb them back to seps. + + 1. Z, then it must be time zone information, and we should not tamper with it + 2. -HH, it might be from + 1. no fracStr + 1. YYYY-MM-DD + 2. YYYY-MM-DD-HH + 3. YYYY-MM-DD HH-MM + 4. YYYY-MM-DD HH:MM-SS + 5. YYYY-MM-DD HH:MM:SS-HH (correct, no need absorb) + 2. with fracStr + 1. YYYY.MM-DD + 2. YYYY-MM.DD-HH + 3. YYYY-MM-DD.HH-MM + 4. YYYY-MM-DD HH.MM-SS + 5. YYYY-MM-DD HH:MM.SS-HH (correct, no need absorb) + 3. -HH:MM, similarly it might be from + 1. no fracStr + 1. YYYY-MM:DD + 2. YYYY-MM-DD:HH + 3. YYYY-MM-DD-HH:MM + 4. YYYY-MM-DD HH-MM:SS + 5. YYYY-MM-DD HH:MM-SS:HH (invalid) + 6. YYYY-MM-DD HH:MM:SS-HH:MM (correct, no need absorb) + 2. with fracStr + 1. YYYY.MM-DD:HH + 2. YYYY-MM.DD-HH:MM + 3. YYYY-MM-DD.HH-MM:SS + 4. YYYY-MM-DD HH.MM-SS:HH (invalid) + 5. YYYY-MM-DD HH:MM.SS-HH:MM (correct, no need absorb) + 4. -HHMM, there should only be one case, that is both the date and time part have existed, only then could we have fracStr or time zone + 1. YYYY-MM-DD HH:MM:SS.FSP-HHMM (correct, no need absorb) + + to summarize, FSP and timezone is only valid if we have date and time presented, otherwise we should consider absorbing + FSP or timezone into seps. additionally, if we want to absorb timezone, we either absorb them all, or not, meaning + we won't only absorb tzHour but not tzMinute. + + additional case to consider is that when the time literal is presented in float string (e.g. `YYYYMMDD.HHMMSS`), in + this case, FSP should not be absorbed and only `+HH:MM` would be allowed (i.e. Z, +HHMM, +HH that comes from ISO8601 + should be banned), because it only conforms to MySQL's timezone parsing logic, but it is not valid in ISO8601. + However, I think it is generally acceptable to allow a wider spectrum of timezone format in string literal. + */ + + // noAbsorb tests if can absorb FSP or TZ + noAbsorb := func(seps []string) bool { + // if we have more than 5 parts (i.e. 6), the tailing part can't be absorbed + // or if we only have 1 part, but its length is longer than 4, then it is at least YYMMD, in this case, FSP can + // not be absorbed, and it will be handled later, and the leading sign prevents TZ from being absorbed, because + // if date part has no separators, we can't use -/+ as separators between date & time. + return len(seps) > 5 || (len(seps) == 1 && len(seps[0]) > 4) + } + if len(fracStr) != 0 && !isFloat { + if !noAbsorb(seps) { + seps = append(seps, fracStr) + fracStr = "" + } + } + if hasTZ && tzSign != "" { + // if tzSign is empty, we can be sure that the string literal contains timezone (such as 2010-10-10T10:10:10Z), + // therefore we could safely skip this branch. + if !noAbsorb(seps) && !(tzMinute != "" && tzSep == "") { + // we can't absorb timezone if there is no separate between tzHour and tzMinute + if len(tzHour) != 0 { + seps = append(seps, tzHour) + } + if len(tzMinute) != 0 { + seps = append(seps, tzMinute) + } + hasTZ = false + } + } switch len(seps) { case 1: l := len(seps[0]) @@ -902,15 +1083,6 @@ func parseDatetime(sc *stmtctx.StatementContext, str string, fsp int8, isFloat b sc.AppendWarning(ErrTruncatedWrongVal.GenWithStackByArgs("datetime", str)) err = nil } - case 2: - // YYYY-MM is not valid - if len(fracStr) == 0 { - return ZeroDatetime, errors.Trace(ErrWrongValue.GenWithStackByArgs(DateTimeStr, str)) - } - - // YYYY-MM.DD, DD is treat as fracStr - err = scanTimeArgs(append(seps, fracStr), &year, &month, &day) - fracStr = "" case 3: // YYYY-MM-DD err = scanTimeArgs(seps, &year, &month, &day) @@ -946,7 +1118,8 @@ func parseDatetime(sc *stmtctx.StatementContext, str string, fsp int8, isFloat b var microsecond int var overflow bool if hhmmss { - // If input string is "20170118.999", without hhmmss, fsp is meanless. + // If input string is "20170118.999", without hhmmss, fsp is meaningless. + // TODO: this case is not only meaningless, but erroneous, please confirm. microsecond, overflow, err = ParseFrac(fracStr, fsp) if err != nil { return ZeroDatetime, errors.Trace(err) @@ -965,6 +1138,36 @@ func parseDatetime(sc *stmtctx.StatementContext, str string, fsp int8, isFloat b } tmp = FromGoTime(t1.Add(gotime.Second)) } + if hasTZ { + // without hhmmss, timezone is also meaningless + if !hhmmss { + return ZeroDatetime, errors.Trace(ErrWrongValue.GenWithStack(DateTimeStr, str)) + } + if len(tzHour) != 0 { + deltaHour = int((tzHour[0]-'0')*10 + (tzHour[1] - '0')) + } + if len(tzMinute) != 0 { + deltaMinute = int((tzMinute[0]-'0')*10 + (tzMinute[1] - '0')) + } + // allowed delta range is [-14:00, 14:00], and we will intentionally reject -00:00 + if deltaHour > 14 || deltaMinute > 59 || (deltaHour == 14 && deltaMinute != 0) || (tzSign == "-" && deltaHour == 0 && deltaMinute == 0) { + return ZeroDatetime, errors.Trace(ErrWrongValue.GenWithStackByArgs(DateTimeStr, str)) + } + // by default, if the temporal string literal does not contain timezone information, it will be in the timezone + // specified by the time_zone system variable. However, if the timezone is specified in the string literal, we + // will use the specified timezone to interpret the string literal and convert it into the system timezone. + offset := deltaHour*60*60 + deltaMinute*60 + if tzSign == "-" { + offset = -offset + } + loc := gotime.FixedZone(fmt.Sprintf("UTC%s%s:%s", tzSign, tzHour, tzMinute), offset) + t1, err := tmp.GoTime(loc) + if err != nil { + return ZeroDatetime, errors.Trace(err) + } + t1 = t1.In(sc.TimeZone) + tmp = FromGoTime(t1) + } nt := NewTime(tmp, mysql.TypeDatetime, fsp) diff --git a/types/time_test.go b/types/time_test.go index 81e6b6ba3da12..31003c74fce38 100644 --- a/types/time_test.go +++ b/types/time_test.go @@ -14,6 +14,7 @@ package types_test import ( + "fmt" "math" "testing" "time" @@ -98,6 +99,10 @@ func (s *testTimeSuite) TestDateTime(c *C) { {"2018-01-01 18", "2018-01-01 18:00:00"}, {"18-01-01 18", "2018-01-01 18:00:00"}, {"2018.01.01", "2018-01-01 00:00:00.00"}, + {"2020.10.10 10.10.10", "2020-10-10 10:10:10.00"}, + {"2020-10-10 10-10.10", "2020-10-10 10:10:10.00"}, + {"2020-10-10 10.10", "2020-10-10 10:10:00.00"}, + {"2018.01.01", "2018-01-01 00:00:00.00"}, {"2018.01.01 00:00:00", "2018-01-01 00:00:00"}, {"2018/01/01-00:00:00", "2018-01-01 00:00:00"}, {"4710072", "2047-10-07 02:00:00"}, @@ -125,6 +130,10 @@ func (s *testTimeSuite) TestDateTime(c *C) { {"2017.00.05 23:59:58.575601", 3, "2017-00-05 23:59:58.576"}, {"2017/00/05 23:59:58.575601", 3, "2017-00-05 23:59:58.576"}, {"2017/00/05-23:59:58.575601", 3, "2017-00-05 23:59:58.576"}, + {"1710-10:00", 0, "1710-10-00 00:00:00"}, + {"1710.10+00", 0, "1710-10-00 00:00:00"}, + {"2020-10:15", 0, "2020-10-15 00:00:00"}, + {"2020.09-10:15", 0, "2020-09-10 15:00:00"}, } for _, test := range fspTbl { @@ -149,6 +158,13 @@ func (s *testTimeSuite) TestDateTime(c *C) { "20170118.999", "2018-01", "2018.01", + "20170118-12:34", + "20170118-1234", + "170118-1234", + "170118-12", + "1710-10", + "1710-1000", + "2020-10-22 10:31-10:12", // YYYY-MM-DD HH:MM-SS:HH (invalid) } for _, test := range errTable { @@ -246,6 +262,7 @@ func (s *testTimeSuite) TestDate(c *C) { // extra separators {"2011-12--13", "2011-12-13"}, {"2011--12-13", "2011-12-13"}, + {"2011-12..13", "2011-12-13"}, {"2011----12----13", "2011-12-13"}, {"2011~/.12)_#13T T.12~)12[~12", "2011-12-13"}, // combinations @@ -1868,6 +1885,129 @@ func (s *testTimeSuite) TestFromGoTime(c *C) { } +func (s *testTimeSuite) TestGetTimezone(c *C) { + cases := []struct { + input string + idx int + tzSign string + tzHour string + tzSep string + tzMinute string + }{ + {"2020-10-10T10:10:10Z", 19, "", "", "", ""}, + {"2020-10-10T10:10:10", -1, "", "", "", ""}, + {"2020-10-10T10:10:10-08", 19, "-", "08", "", ""}, + {"2020-10-10T10:10:10-0700", 19, "-", "07", "", "00"}, + {"2020-10-10T10:10:10+08:20", 19, "+", "08", ":", "20"}, + {"2020-10-10T10:10:10+08:10", 19, "+", "08", ":", "10"}, + {"2020-10-10T10:10:10+8:00", -1, "", "", "", ""}, + {"2020-10-10T10:10:10+082:10", -1, "", "", "", ""}, + {"2020-10-10T10:10:10+08:101", -1, "", "", "", ""}, + {"2020-10-10T10:10:10+T8:11", -1, "", "", "", ""}, + {"2020-09-06T05:49:13.293Z", 23, "", "", "", ""}, + {"2020-09-06T05:49:13.293", -1, "", "", "", ""}, + } + for ith, ca := range cases { + idx, tzSign, tzHour, tzSep, tzMinute := types.GetTimezone(ca.input) + c.Assert([5]interface{}{idx, tzSign, tzHour, tzSep, tzMinute}, Equals, [5]interface{}{ca.idx, ca.tzSign, ca.tzHour, ca.tzSep, ca.tzMinute}, Commentf("idx %d", ith)) + } +} + +func (s *testTimeSuite) TestParseWithTimezone(c *C) { + getTZ := func(tzSign string, tzHour, tzMinue int) *time.Location { + offset := tzHour*60*60 + tzMinue*60 + if tzSign == "-" { + offset = -offset + } + return time.FixedZone(fmt.Sprintf("UTC%s%02d:%02d", tzSign, tzHour, tzMinue), offset) + } + // lit is the string literal to be parsed, which contains timezone, and gt is the ground truth time + // in go's time.Time, while sysTZ is the system timezone where the string literal gets parsed. + // we first parse the string literal, and convert it into UTC and then compare it with the ground truth time in UTC. + // note that sysTZ won't affect the physical time the string literal represents. + cases := []struct { + lit string + fsp int8 + parseChecker Checker + gt time.Time + sysTZ *time.Location + }{ + { + "2006-01-02T15:04:05Z", + 0, + IsNil, + time.Date(2006, 1, 2, 15, 4, 5, 0, getTZ("+", 0, 0)), + getTZ("+", 0, 0), + }, + { + "2006-01-02T15:04:05Z", + 0, + IsNil, + time.Date(2006, 1, 2, 15, 4, 5, 0, getTZ("+", 0, 0)), + getTZ("+", 10, 0), + }, + { + "2020-10-21T16:05:10.50Z", + 2, + IsNil, + time.Date(2020, 10, 21, 16, 5, 10, 500*1000*1000, getTZ("+", 0, 0)), + getTZ("-", 10, 0), + }, + { + "2020-10-21T16:05:10.50+08", + 2, + IsNil, + time.Date(2020, 10, 21, 16, 5, 10, 500*1000*1000, getTZ("+", 8, 0)), + getTZ("-", 10, 0), + }, + { + "2020-10-21T16:05:10.50-0700", + 2, + IsNil, + time.Date(2020, 10, 21, 16, 5, 10, 500*1000*1000, getTZ("-", 7, 0)), + getTZ("-", 10, 0), + }, + { + "2020-10-21T16:05:10.50+09:00", + 2, + IsNil, + time.Date(2020, 10, 21, 16, 5, 10, 500*1000*1000, getTZ("+", 9, 0)), + getTZ("-", 10, 0), + }, + { + "2006-01-02T15:04:05+09:00", + 0, + IsNil, + time.Date(2006, 1, 2, 15, 4, 5, 0, getTZ("+", 9, 0)), + getTZ("+", 8, 0), + }, + { + "2006-01-02T15:04:05-02:00", + 0, + IsNil, + time.Date(2006, 1, 2, 15, 4, 5, 0, getTZ("-", 2, 0)), + getTZ("+", 3, 0), + }, + { + "2006-01-02T15:04:05-14:00", + 0, + IsNil, + time.Date(2006, 1, 2, 15, 4, 5, 0, getTZ("-", 14, 0)), + getTZ("+", 14, 0), + }, + } + for ith, ca := range cases { + t, err := types.ParseTime(&stmtctx.StatementContext{TimeZone: ca.sysTZ}, ca.lit, mysql.TypeTimestamp, ca.fsp) + c.Assert(err, ca.parseChecker, Commentf("tidb time parse misbehaved on %d", ith)) + if err != nil { + continue + } + t1, err := t.GoTime(ca.sysTZ) + c.Assert(err, IsNil, Commentf("tidb time convert failed on %d", ith)) + c.Assert(t1.In(time.UTC), Equals, ca.gt.In(time.UTC), Commentf("parsed time mismatch on %dth case", ith)) + } +} + func BenchmarkFormat(b *testing.B) { t1 := types.NewTime(types.FromGoTime(time.Now()), mysql.TypeTimestamp, 0) for i := 0; i < b.N; i++ { @@ -1938,12 +2078,16 @@ func BenchmarkParseDateFormat(b *testing.B) { benchmarkDateFormat(b, "datetime repeated delimiters", "2011---12---13 14::15::16..123456") } -func BenchmarkParseDatetime(b *testing.B) { - sc := &stmtctx.StatementContext{TimeZone: time.UTC} - str := "2011-10-10 11:11:11.123456" +func benchmarkDatetimeFormat(b *testing.B, name string, sc *stmtctx.StatementContext, str string) { + b.Run(name, func(b *testing.B) { + for i := 0; i < b.N; i++ { + types.ParseDatetime(sc, str) + } + }) +} - b.ResetTimer() - for i := 0; i < b.N; i++ { - types.ParseDatetime(sc, str) - } +func BenchmarkParseDatetimeFormat(b *testing.B) { + sc := &stmtctx.StatementContext{TimeZone: time.UTC} + benchmarkDatetimeFormat(b, "datetime without timezone", sc, "2020-10-10T10:10:10") + benchmarkDatetimeFormat(b, "datetime with timezone", sc, "2020-10-10T10:10:10Z+08:00") } From 8def0480b1efe22950f962f9e6439490e5cf17c0 Mon Sep 17 00:00:00 2001 From: tangenta Date: Tue, 27 Oct 2020 16:48:31 +0800 Subject: [PATCH 0088/1021] tests: move TestApplyWithOtherFeatures to a serial test suite (#20665) --- executor/explainfor_test.go | 1 + executor/parallel_apply_test.go | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/executor/explainfor_test.go b/executor/explainfor_test.go index 33d4bde97c74f..8ad7a1de43e46 100644 --- a/executor/explainfor_test.go +++ b/executor/explainfor_test.go @@ -65,6 +65,7 @@ func (msm *mockSessionManager1) UpdateTLSConfig(cfg *tls.Config) { func (s *testSerialSuite) TestExplainFor(c *C) { tkRoot := testkit.NewTestKitWithInit(c, s.store) tkUser := testkit.NewTestKitWithInit(c, s.store) + tkRoot.MustExec("drop table if exists t1, t2;") tkRoot.MustExec("create table t1(c1 int, c2 int)") tkRoot.MustExec("create table t2(c1 int, c2 int)") tkRoot.MustExec("create user tu@'%'") diff --git a/executor/parallel_apply_test.go b/executor/parallel_apply_test.go index 07317432dfe68..bc43dfcdf3adb 100644 --- a/executor/parallel_apply_test.go +++ b/executor/parallel_apply_test.go @@ -384,7 +384,7 @@ func (s *testSuite) TestApplyWithOtherOperators(c *C) { tk.MustQuery(sql).Sort().Check(testkit.Rows("1")) } -func (s *testSuite) TestApplyWithOtherFeatures(c *C) { +func (s *testSerialSuite) TestApplyWithOtherFeatures(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("set tidb_enable_parallel_apply=true") From 61356c819e83be67f5bae9da3d32661d9f967896 Mon Sep 17 00:00:00 2001 From: Lenshood <7877221+LENSHOOD@users.noreply.github.com> Date: Tue, 27 Oct 2020 17:00:35 +0800 Subject: [PATCH 0089/1021] ddl: support column type change from string to other types (#20623) --- ddl/column.go | 51 +++---- ddl/column_type_change_test.go | 244 +++++++++++++++++++++++++++++++++ ddl/db_change_test.go | 2 +- ddl/db_integration_test.go | 2 +- ddl/ddl_api.go | 13 +- 5 files changed, 282 insertions(+), 30 deletions(-) diff --git a/ddl/column.go b/ddl/column.go index 1c6d1bbcd8d80..216772e0cd046 100644 --- a/ddl/column.go +++ b/ddl/column.go @@ -39,6 +39,7 @@ import ( "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" + "github.com/pingcap/tidb/types/json" "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/logutil" decoder "github.com/pingcap/tidb/util/rowDecoder" @@ -647,36 +648,39 @@ func onSetDefaultValue(t *meta.Meta, job *model.Job) (ver int64, _ error) { func needChangeColumnData(oldCol, newCol *model.ColumnInfo) bool { toUnsigned := mysql.HasUnsignedFlag(newCol.Flag) originUnsigned := mysql.HasUnsignedFlag(oldCol.Flag) - if oldCol.Tp == newCol.Tp && oldCol.Tp == mysql.TypeNewDecimal { - // Since type decimal will encode the precision, frac, negative(signed) and wordBuf into storage together, there is no short - // cut to eliminate data reorg change for column type change between decimal. - return oldCol.Flen != newCol.Flen || oldCol.Decimal != newCol.Decimal || toUnsigned != originUnsigned - } - if oldCol.Tp == newCol.Tp && (oldCol.Tp == mysql.TypeEnum || oldCol.Tp == mysql.TypeSet) { - return isElemsChangedToModifyColumn(oldCol.Elems, newCol.Elems) - } - if oldCol.Tp == mysql.TypeEnum || oldCol.Tp == mysql.TypeSet || - newCol.Tp == mysql.TypeEnum || newCol.Tp == mysql.TypeSet { - return true + needTruncationOrToggleSign := func() bool { + return newCol.Flen > 0 && newCol.Flen < oldCol.Flen || toUnsigned != originUnsigned } - switch oldCol.Tp { - case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeTimestamp, mysql.TypeDuration, mysql.TypeYear: - switch newCol.Tp { - case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeTimestamp, mysql.TypeDuration, mysql.TypeYear: - return oldCol.Tp != newCol.Tp + // Deal with the same type. + if oldCol.Tp == newCol.Tp { + switch oldCol.Tp { + case mysql.TypeNewDecimal: + // Since type decimal will encode the precision, frac, negative(signed) and wordBuf into storage together, there is no short + // cut to eliminate data reorg change for column type change between decimal. + return oldCol.Flen != newCol.Flen || oldCol.Decimal != newCol.Decimal || toUnsigned != originUnsigned + case mysql.TypeEnum, mysql.TypeSet: + return isElemsChangedToModifyColumn(oldCol.Elems, newCol.Elems) } - } - if mysql.IsIntegerType(oldCol.Tp) && !mysql.IsIntegerType(newCol.Tp) { - return true + return needTruncationOrToggleSign() } - if newCol.Flen > 0 && newCol.Flen < oldCol.Flen || toUnsigned != originUnsigned { - return true + // Deal with the different type. + switch oldCol.Tp { + case mysql.TypeVarchar, mysql.TypeString, mysql.TypeVarString, mysql.TypeBlob, mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob: + switch newCol.Tp { + case mysql.TypeVarchar, mysql.TypeString, mysql.TypeVarString, mysql.TypeBlob, mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob: + return needTruncationOrToggleSign() + } + case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: + switch newCol.Tp { + case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: + return needTruncationOrToggleSign() + } } - return false + return true } func isElemsChangedToModifyColumn(oldElems, newElems []string) bool { @@ -996,7 +1000,8 @@ func (w *worker) doModifyColumnTypeWithData( // needRollbackData indicates whether it needs to rollback data when specific error occurs. func needRollbackData(err error) bool { return kv.ErrKeyExists.Equal(err) || errCancelledDDLJob.Equal(err) || errCantDecodeRecord.Equal(err) || - types.ErrOverflow.Equal(err) || types.ErrDataTooLong.Equal(err) || types.ErrTruncated.Equal(err) + types.ErrOverflow.Equal(err) || types.ErrDataTooLong.Equal(err) || types.ErrTruncated.Equal(err) || + json.ErrInvalidJSONText.Equal(err) || types.ErrBadNumber.Equal(err) } // BuildElements is exported for testing. diff --git a/ddl/column_type_change_test.go b/ddl/column_type_change_test.go index 0a6405cecebbc..59dbd93307067 100644 --- a/ddl/column_type_change_test.go +++ b/ddl/column_type_change_test.go @@ -444,3 +444,247 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromIntegerToOthers(c *C // TiDB can't take integer as the set element string to cast, while the MySQL can. tk.MustGetErrCode("alter table t modify e set(\"11111\", \"22222\")", mysql.WarnDataTruncated) } + +func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromStringToOthers(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + // Enable column change variable. + tk.Se.GetSessionVars().EnableChangeColumnType = true + + // Set time zone to UTC. + originalTz := tk.Se.GetSessionVars().TimeZone + tk.Se.GetSessionVars().TimeZone = time.UTC + defer func() { + tk.Se.GetSessionVars().EnableChangeColumnType = false + tk.Se.GetSessionVars().TimeZone = originalTz + }() + + // Init string date type table. + reset := func(tk *testkit.TestKit) { + tk.MustExec("drop table if exists t") + tk.MustExec(` + create table t ( + c char(8), + vc varchar(8), + bny binary(8), + vbny varbinary(8), + bb blob, + txt text, + e enum('123', '2020-07-15 18:32:17.888', 'str', '{"k1": "value"}'), + s set('123', '2020-07-15 18:32:17.888', 'str', '{"k1": "value"}') + ) + `) + } + + // To numeric data types. + // tinyint + reset(tk) + tk.MustExec("insert into t values ('123', '123', '123', '123', '123', '123', '123', '123')") + tk.MustExec("alter table t modify c tinyint") + tk.MustExec("alter table t modify vc tinyint") + tk.MustExec("alter table t modify bny tinyint") + tk.MustExec("alter table t modify vbny tinyint") + tk.MustExec("alter table t modify bb tinyint") + tk.MustExec("alter table t modify txt tinyint") + tk.MustExec("alter table t modify e tinyint") + tk.MustExec("alter table t modify s tinyint") + tk.MustQuery("select * from t").Check(testkit.Rows("123 123 123 123 123 123 1 1")) + // int + reset(tk) + tk.MustExec("insert into t values ('17305', '17305', '17305', '17305', '17305', '17305', '123', '123')") + tk.MustExec("alter table t modify c int") + tk.MustExec("alter table t modify vc int") + tk.MustExec("alter table t modify bny int") + tk.MustExec("alter table t modify vbny int") + tk.MustExec("alter table t modify bb int") + tk.MustExec("alter table t modify txt int") + tk.MustExec("alter table t modify e int") + tk.MustExec("alter table t modify s int") + tk.MustQuery("select * from t").Check(testkit.Rows("17305 17305 17305 17305 17305 17305 1 1")) + // bigint + reset(tk) + tk.MustExec("insert into t values ('17305867', '17305867', '17305867', '17305867', '17305867', '17305867', '123', '123')") + tk.MustExec("alter table t modify c bigint") + tk.MustExec("alter table t modify vc bigint") + tk.MustExec("alter table t modify bny bigint") + tk.MustExec("alter table t modify vbny bigint") + tk.MustExec("alter table t modify bb bigint") + tk.MustExec("alter table t modify txt bigint") + tk.MustExec("alter table t modify e bigint") + tk.MustExec("alter table t modify s bigint") + tk.MustQuery("select * from t").Check(testkit.Rows("17305867 17305867 17305867 17305867 17305867 17305867 1 1")) + // bit + reset(tk) + tk.MustExec("insert into t values ('1', '1', '1', '1', '1', '1', '123', '123')") + tk.MustGetErrCode("alter table t modify c bit", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify vc bit", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify bny bit", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify vbny bit", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify bb bit", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify txt bit", mysql.ErrUnsupportedDDLOperation) + tk.MustExec("alter table t modify e bit") + tk.MustExec("alter table t modify s bit") + tk.MustQuery("select * from t").Check(testkit.Rows("1 1 1\x00\x00\x00\x00\x00\x00\x00 1 1 1 \x01 \x01")) + // decimal + reset(tk) + tk.MustExec("insert into t values ('123.45', '123.45', '123.45', '123.45', '123.45', '123.45', '123', '123')") + tk.MustExec("alter table t modify c decimal(7, 4)") + tk.MustExec("alter table t modify vc decimal(7, 4)") + tk.MustExec("alter table t modify bny decimal(7, 4)") + tk.MustExec("alter table t modify vbny decimal(7, 4)") + tk.MustExec("alter table t modify bb decimal(7, 4)") + tk.MustExec("alter table t modify txt decimal(7, 4)") + tk.MustExec("alter table t modify e decimal(7, 4)") + tk.MustExec("alter table t modify s decimal(7, 4)") + tk.MustQuery("select * from t").Check(testkit.Rows("123.4500 123.4500 123.4500 123.4500 123.4500 123.4500 1.0000 1.0000")) + // double + reset(tk) + tk.MustExec("insert into t values ('123.45', '123.45', '123.45', '123.45', '123.45', '123.45', '123', '123')") + tk.MustExec("alter table t modify c double(7, 4)") + tk.MustExec("alter table t modify vc double(7, 4)") + tk.MustExec("alter table t modify bny double(7, 4)") + tk.MustExec("alter table t modify vbny double(7, 4)") + tk.MustExec("alter table t modify bb double(7, 4)") + tk.MustExec("alter table t modify txt double(7, 4)") + tk.MustExec("alter table t modify e double(7, 4)") + tk.MustExec("alter table t modify s double(7, 4)") + tk.MustQuery("select * from t").Check(testkit.Rows("123.45 123.45 123.45 123.45 123.45 123.45 1 1")) + + // To date and time data types. + // date + reset(tk) + tk.MustExec("insert into t values ('20200826', '2008261', '20200826', '200826', '2020-08-26', '08-26 19:35:41', '2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888')") + tk.MustExec("alter table t modify c date") + tk.MustExec("alter table t modify vc date") + tk.MustExec("alter table t modify bny date") + tk.MustExec("alter table t modify vbny date") + tk.MustExec("alter table t modify bb date") + tk.MustExec("alter table t modify txt date") + tk.MustGetErrCode("alter table t modify e date", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify s date", mysql.ErrUnsupportedDDLOperation) + tk.MustQuery("select * from t").Check(testkit.Rows("2020-08-26 2020-08-26 2020-08-26 2020-08-26 2020-08-26 0000-00-00 2020-07-15 18:32:17.888 2020-07-15 18:32:17.888")) + // time + reset(tk) + tk.MustExec("insert into t values ('19:35:41', '19:35:41', '19:35:41', '19:35:41', '19:35:41.45678', '19:35:41.45678', '2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888')") + tk.MustExec("alter table t modify c time") + tk.MustExec("alter table t modify vc time") + tk.MustExec("alter table t modify bny time") + tk.MustExec("alter table t modify vbny time") + tk.MustExec("alter table t modify bb time") + tk.MustExec("alter table t modify txt time") + tk.MustGetErrCode("alter table t modify e time", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify s time", mysql.ErrUnsupportedDDLOperation) + tk.MustQuery("select * from t").Check(testkit.Rows("19:35:41 19:35:41 19:35:41 19:35:41 19:35:41 19:35:41 2020-07-15 18:32:17.888 2020-07-15 18:32:17.888")) + // datetime + reset(tk) + tk.MustExec("alter table t modify c char(23)") + tk.MustExec("alter table t modify vc varchar(23)") + tk.MustExec("alter table t modify bny binary(23)") + tk.MustExec("alter table t modify vbny varbinary(23)") + tk.MustExec("insert into t values ('2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888')") + tk.MustExec("alter table t modify c datetime") + tk.MustExec("alter table t modify vc datetime") + tk.MustExec("alter table t modify bny datetime") + tk.MustExec("alter table t modify vbny datetime") + tk.MustExec("alter table t modify bb datetime") + tk.MustExec("alter table t modify txt datetime") + tk.MustGetErrCode("alter table t modify e datetime", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify s datetime", mysql.ErrUnsupportedDDLOperation) + tk.MustQuery("select * from t").Check(testkit.Rows("2020-07-15 18:32:18 2020-07-15 18:32:18 2020-07-15 18:32:18 2020-07-15 18:32:18 2020-07-15 18:32:18 2020-07-15 18:32:18 2020-07-15 18:32:17.888 2020-07-15 18:32:17.888")) + // timestamp + reset(tk) + tk.MustExec("alter table t modify c char(23)") + tk.MustExec("alter table t modify vc varchar(23)") + tk.MustExec("alter table t modify bny binary(23)") + tk.MustExec("alter table t modify vbny varbinary(23)") + tk.MustExec("insert into t values ('2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888')") + tk.MustExec("alter table t modify c timestamp") + tk.MustExec("alter table t modify vc timestamp") + tk.MustExec("alter table t modify bny timestamp") + tk.MustExec("alter table t modify vbny timestamp") + tk.MustExec("alter table t modify bb timestamp") + tk.MustExec("alter table t modify txt timestamp") + tk.MustGetErrCode("alter table t modify e timestamp", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify s timestamp", mysql.ErrUnsupportedDDLOperation) + tk.MustQuery("select * from t").Check(testkit.Rows("2020-07-15 18:32:18 2020-07-15 18:32:18 2020-07-15 18:32:18 2020-07-15 18:32:18 2020-07-15 18:32:18 2020-07-15 18:32:18 2020-07-15 18:32:17.888 2020-07-15 18:32:17.888")) + // year + reset(tk) + tk.MustExec("insert into t values ('2020', '91', '2', '2020', '20', '99', '2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888')") + tk.MustExec("alter table t modify c year") + tk.MustExec("alter table t modify vc year") + tk.MustExec("alter table t modify bny year") + tk.MustExec("alter table t modify vbny year") + tk.MustExec("alter table t modify bb year") + tk.MustExec("alter table t modify txt year") + tk.MustExec("alter table t modify e year") + tk.MustExec("alter table t modify s year") + tk.MustQuery("select * from t").Check(testkit.Rows("2020 1991 2002 2020 2020 1999 2002 2002")) + + // To json data type. + reset(tk) + tk.MustExec("alter table t modify c char(15)") + tk.MustExec("alter table t modify vc varchar(15)") + tk.MustExec("alter table t modify bny binary(15)") + tk.MustExec("alter table t modify vbny varbinary(15)") + tk.MustExec("insert into t values ('{\"k1\": \"value\"}', '{\"k1\": \"value\"}', '{\"k1\": \"value\"}', '{\"k1\": \"value\"}', '{\"k1\": \"value\"}', '{\"k1\": \"value\"}', '{\"k1\": \"value\"}', '{\"k1\": \"value\"}')") + tk.MustExec("alter table t modify c json") + tk.MustExec("alter table t modify vc json") + tk.MustExec("alter table t modify bny json") + tk.MustExec("alter table t modify vbny json") + tk.MustExec("alter table t modify bb json") + tk.MustExec("alter table t modify txt json") + tk.MustExec("alter table t modify e json") + tk.MustExec("alter table t modify s json") + tk.MustQuery("select * from t").Check(testkit.Rows("{\"k1\": \"value\"} {\"k1\": \"value\"} {\"k1\": \"value\"} {\"k1\": \"value\"} {\"k1\": \"value\"} {\"k1\": \"value\"} \"{\\\"k1\\\": \\\"value\\\"}\" \"{\\\"k1\\\": \\\"value\\\"}\"")) + + // Special cases about different behavior between TiDB and MySQL. + // MySQL get error but TiDB get warning. + reset(tk) + tk.MustExec("insert into t values ('123x', 'x123', 'abc', 'datetime', 'timestamp', 'date', '123', '123')") + tk.MustExec("alter table t modify c int") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Truncated incorrect FLOAT value: '123x'")) + tk.MustQuery("select c from t").Check(testkit.Rows("123")) + + tk.MustExec("alter table t modify vc smallint") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Truncated incorrect FLOAT value: 'x123'")) + tk.MustQuery("select vc from t").Check(testkit.Rows("0")) + + tk.MustExec("alter table t modify bny bigint") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Truncated incorrect FLOAT value: 'abc\x00\x00\x00\x00\x00'")) + tk.MustQuery("select bny from t").Check(testkit.Rows("0")) + + tk.MustExec("alter table t modify vbny datetime") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Incorrect datetime value: 'datetime'")) + tk.MustQuery("select vbny from t").Check(testkit.Rows("0000-00-00 00:00:00")) + + tk.MustExec("alter table t modify bb timestamp") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Incorrect datetime value: 'timestamp'")) + tk.MustQuery("select bb from t").Check(testkit.Rows("0000-00-00 00:00:00")) + + tk.MustExec("alter table t modify txt date") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Incorrect datetime value: 'date'")) + tk.MustQuery("select txt from t").Check(testkit.Rows("0000-00-00")) + + reset(tk) + tk.MustExec("alter table t modify vc varchar(20)") + tk.MustExec("insert into t(c, vc) values ('1x', '20200915110836')") + tk.MustExec("alter table t modify c year") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Truncated incorrect FLOAT value: '1x'")) + tk.MustQuery("select c from t").Check(testkit.Rows("0")) + + // MySQL will get warning but TiDB not. + // MySQL will get "Warning 1292 Incorrect time value: '20200915110836' for column 'vc'" + tk.MustExec("alter table t modify vc time") + tk.MustQuery("select vc from t").Check(testkit.Rows("11:08:36")) + + // Both error but different error message. + // MySQL will get "ERROR 3140 (22032): Invalid JSON text: "The document root must not be followed by other values." at position 1 in value for column '#sql-5b_42.c'." error. + reset(tk) + tk.MustExec("alter table t modify c char(15)") + tk.MustExec("insert into t(c) values ('{\"k1\": \"value\"')") + tk.MustGetErrCode("alter table t modify c json", mysql.ErrInvalidJSONText) + + // MySQL will get "ERROR 1366 (HY000): Incorrect DECIMAL value: '0' for column '' at row -1" error. + tk.MustExec("insert into t(vc) values ('abc')") + tk.MustGetErrCode("alter table t modify vc decimal(5,3)", mysql.ErrBadNumber) +} diff --git a/ddl/db_change_test.go b/ddl/db_change_test.go index 1e34778dadea8..a256073727077 100644 --- a/ddl/db_change_test.go +++ b/ddl/db_change_test.go @@ -484,7 +484,7 @@ func (s *testStateChangeSuite) TestAppendEnum(c *C) { c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: the number of enum column's elements is less than the original: 2, and tidb_enable_change_column_type is false") failAlterTableSQL2 := "alter table t change c2 c2 int default 0" _, err = s.se.Execute(context.Background(), failAlterTableSQL2) - c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: cannot modify enum type column's to type int(11)") + c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: type int(11) not match origin enum('N','Y'), and tidb_enable_change_column_type is false") alterTableSQL := "alter table t change c2 c2 enum('N','Y','A') DEFAULT 'A'" _, err = s.se.Execute(context.Background(), alterTableSQL) c.Assert(err, IsNil) diff --git a/ddl/db_integration_test.go b/ddl/db_integration_test.go index b10908a56dfb1..ed59e3a5e4f7e 100644 --- a/ddl/db_integration_test.go +++ b/ddl/db_integration_test.go @@ -957,7 +957,7 @@ func (s *testIntegrationSuite5) TestModifyColumnOption(c *C) { _, err = tk.Exec("alter table t1 change a a int(11) unsigned") c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: can't change unsigned integer to signed or vice versa, and tidb_enable_change_column_type is false") _, err = tk.Exec("alter table t2 change b b int(11) unsigned") - c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: type int(11) not match origin char(1)") + c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: type int(11) not match origin char(1), and tidb_enable_change_column_type is false") } func (s *testIntegrationSuite4) TestIndexOnMultipleGeneratedColumn(c *C) { diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index bd3c73f63b054..ea6359cee6a65 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -3361,10 +3361,11 @@ func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (al mysql.TypeBlob, mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob: skipSignCheck = true skipLenCheck = true - case mysql.TypeEnum, mysql.TypeSet: - return unsupportedMsg, errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) - default: + case mysql.TypeBit: + // TODO: Currently string data type cast to bit are not compatible with mysql, should fix here after compatible. return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) + default: + return unsupportedMsg, errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) } case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: switch to.Tp { @@ -3400,9 +3401,11 @@ func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (al mysql.TypeBlob, mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob: msg := fmt.Sprintf("cannot modify %s type column's to type %s", typeVar, to.String()) return msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) + case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeTimestamp, mysql.TypeDuration: + // TODO: Currently enum/set cast to date and time are not support yet(expect year), should fix here after supported. + return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) default: - msg := fmt.Sprintf("cannot modify %s type column's to type %s", typeVar, to.String()) - return "", errUnsupportedModifyColumn.GenWithStackByArgs(msg) + return unsupportedMsg, errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) } case mysql.TypeNewDecimal: if origin.Tp != to.Tp { From c54833adb60d597b7805007c669b8980c1e39ffc Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Tue, 27 Oct 2020 17:36:23 +0800 Subject: [PATCH 0090/1021] infosync: fix query metrics_schema panic when start TiDB without PD/TiKV (#20434) --- domain/infosync/info.go | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/domain/infosync/info.go b/domain/infosync/info.go index 0d280a440d0fe..ce15a829d28a3 100644 --- a/domain/infosync/info.go +++ b/domain/infosync/info.go @@ -696,8 +696,12 @@ type metricStorage struct { func (is *InfoSyncer) getPrometheusAddr() (string, error) { // Get PD servers info. - pdAddrs := is.etcdCli.Endpoints() - if len(pdAddrs) == 0 { + clientAvailable := is.etcdCli != nil + var pdAddrs []string + if clientAvailable { + pdAddrs = is.etcdCli.Endpoints() + } + if !clientAvailable || len(pdAddrs) == 0 { return "", errors.Errorf("pd unavailable") } From fc4be377e1b44b5c24bc6ea4443d332871451917 Mon Sep 17 00:00:00 2001 From: crazycs Date: Tue, 27 Oct 2020 17:52:53 +0800 Subject: [PATCH 0091/1021] executor: add test for insert/update/delete list [columns] partition (#20635) Signed-off-by: crazycs520 --- executor/write_test.go | 96 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) diff --git a/executor/write_test.go b/executor/write_test.go index 1223e4118bf8b..b36f44eae91af 100644 --- a/executor/write_test.go +++ b/executor/write_test.go @@ -2867,3 +2867,99 @@ from t order by c_str;`).Check(testkit.Rows("10")) tk.MustQuery(`select sum((select t1.c_str from t t1 where t1.c_int in (11, 10086) and t1.c_str > t.c_str order by t1.c_decimal limit 1) is null) nulls from t order by c_str;`).Check(testkit.Rows("10")) } + +func (s *testSuite4) TestWriteListPartitionTable(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("drop table if exists t") + tk.MustExec(`create table t (id int, name varchar(10), unique index idx (id)) partition by list (id) ( + partition p0 values in (3,5,6,9,17), + partition p1 values in (1,2,10,11,19,20), + partition p2 values in (4,12,13,14,18), + partition p3 values in (7,8,15,16,null) + );`) + + // Test insert,update,delete + tk.MustExec("insert into t values (1, 'a')") + tk.MustExec("update t set name='b' where id=2;") + tk.MustQuery("select * from t").Check(testkit.Rows("1 a")) + tk.MustExec("update t set name='b' where id=1;") + tk.MustQuery("select * from t").Check(testkit.Rows("1 b")) + tk.MustExec("replace into t values (1, 'c')") + tk.MustQuery("select * from t").Check(testkit.Rows("1 c")) + tk.MustExec("insert into t values (1, 'd') on duplicate key update name='e'") + tk.MustQuery("select * from t").Check(testkit.Rows("1 e")) + tk.MustExec("delete from t where id=1") + tk.MustQuery("select * from t").Check(testkit.Rows()) + tk.MustExec("insert into t values (2, 'f')") + tk.MustExec("delete from t where name='f'") + tk.MustQuery("select * from t").Check(testkit.Rows()) + + // Test insert error + tk.MustExec("insert into t values (1, 'a')") + _, err := tk.Exec("insert into t values (1, 'd')") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry '1' for key 'idx'") + _, err = tk.Exec("insert into t values (100, 'd')") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value 100") + tk.MustExec("admin check table t;") + + // Test select partition + tk.MustExec("insert into t values (2,'b'),(3,'c'),(4,'d'),(7,'f'), (null,null)") + tk.MustQuery("select * from t partition (p0) order by id").Check(testkit.Rows("3 c")) + tk.MustQuery("select * from t partition (p1,p3) order by id").Check(testkit.Rows(" ", "1 a", "2 b", "7 f")) + tk.MustQuery("select * from t partition (p1,p3,p0,p2) order by id").Check(testkit.Rows(" ", "1 a", "2 b", "3 c", "4 d", "7 f")) + tk.MustQuery("select * from t order by id").Check(testkit.Rows(" ", "1 a", "2 b", "3 c", "4 d", "7 f")) + tk.MustExec("delete from t partition (p0)") + tk.MustQuery("select * from t order by id").Check(testkit.Rows(" ", "1 a", "2 b", "4 d", "7 f")) + tk.MustExec("delete from t partition (p3,p2)") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 a", "2 b")) +} + +func (s *testSuite4) TestWriteListColumnsPartitionTable(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("drop table if exists t") + tk.MustExec(`create table t (id int, name varchar(10), unique index idx (id)) partition by list columns (id) ( + partition p0 values in (3,5,6,9,17), + partition p1 values in (1,2,10,11,19,20), + partition p2 values in (4,12,13,14,18), + partition p3 values in (7,8,15,16,null) + );`) + + // Test insert,update,delete + tk.MustExec("insert into t values (1, 'a')") + tk.MustExec("update t set name='b' where id=2;") + tk.MustQuery("select * from t").Check(testkit.Rows("1 a")) + tk.MustExec("update t set name='b' where id=1;") + tk.MustQuery("select * from t").Check(testkit.Rows("1 b")) + tk.MustExec("replace into t values (1, 'c')") + tk.MustQuery("select * from t").Check(testkit.Rows("1 c")) + tk.MustExec("insert into t values (1, 'd') on duplicate key update name='e'") + tk.MustQuery("select * from t").Check(testkit.Rows("1 e")) + tk.MustExec("delete from t where id=1") + tk.MustQuery("select * from t").Check(testkit.Rows()) + tk.MustExec("insert into t values (2, 'f')") + tk.MustExec("delete from t where name='f'") + tk.MustQuery("select * from t").Check(testkit.Rows()) + + // Test insert error + tk.MustExec("insert into t values (1, 'a')") + _, err := tk.Exec("insert into t values (1, 'd')") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry '1' for key 'idx'") + _, err = tk.Exec("insert into t values (100, 'd')") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value from column_list") + tk.MustExec("admin check table t;") + + // Test select partition + tk.MustExec("insert into t values (2,'b'),(3,'c'),(4,'d'),(7,'f'), (null,null)") + tk.MustQuery("select * from t partition (p0) order by id").Check(testkit.Rows("3 c")) + tk.MustQuery("select * from t partition (p1,p3) order by id").Check(testkit.Rows(" ", "1 a", "2 b", "7 f")) + tk.MustQuery("select * from t partition (p1,p3,p0,p2) order by id").Check(testkit.Rows(" ", "1 a", "2 b", "3 c", "4 d", "7 f")) + tk.MustQuery("select * from t order by id").Check(testkit.Rows(" ", "1 a", "2 b", "3 c", "4 d", "7 f")) + tk.MustExec("delete from t partition (p0)") + tk.MustQuery("select * from t order by id").Check(testkit.Rows(" ", "1 a", "2 b", "4 d", "7 f")) + tk.MustExec("delete from t partition (p3,p2)") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 a", "2 b")) +} From e3c3668a27ef073f7639c267f942844489b7daad Mon Sep 17 00:00:00 2001 From: wjHuang Date: Tue, 27 Oct 2020 17:59:35 +0800 Subject: [PATCH 0092/1021] *: fix not precedence in generated column (#20612) --- expression/integration_test.go | 15 ++++++++ go.mod | 2 +- go.sum | 56 +--------------------------- planner/core/expression_rewriter.go | 2 +- planner/core/logical_plan_builder.go | 3 +- 5 files changed, 20 insertions(+), 58 deletions(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index aaceaa858122a..c087156faf59d 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -6216,6 +6216,21 @@ func (s *testIntegrationSerialSuite) TestCollateConstantPropagation(c *C) { tk.MustQuery("select * from t1 left join t2 on t1.a = t2.a collate utf8mb4_unicode_ci where t1.a = 's';").Check(testkit.Rows("ß s ")) } +func (s *testIntegrationSuite2) TestIssue17791(c *C) { + tk := testkit.NewTestKit(c, s.store) + + tk.MustExec("use test;") + tk.MustExec("drop table if exists t;") + tk.MustExec("SET sql_mode=DEFAULT;") + tk.MustExec("CREATE TABLE t1 (" + + " id INT NOT NULL PRIMARY KEY auto_increment," + + " pad VARCHAR(10) NOT NULL," + + " expr varchar(100) AS (NOT 1 BETWEEN -5 AND 5)" + + ");") + tk.MustExec("INSERT INTO t1 (pad) VALUES ('a'), ('b');") + tk.MustQuery("SELECT id, pad, expr, NOT 1 BETWEEN -5 AND 5 as expr_in_select FROM t1;").Check(testkit.Rows("1 a 0 0", "2 b 0 0")) +} + func (s *testIntegrationSerialSuite) TestMixCollation(c *C) { tk := testkit.NewTestKit(c, s.store) collate.SetNewCollationEnabledForTest(true) diff --git a/go.mod b/go.mod index cdd7494d4031e..874de0aca9220 100644 --- a/go.mod +++ b/go.mod @@ -53,7 +53,7 @@ require ( github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20201023092649-e6d6090277c9 github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 - github.com/pingcap/parser v0.0.0-20201021061956-783a03250c77 + github.com/pingcap/parser v0.0.0-20201024025010-3b2fb4b41d73 github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f diff --git a/go.sum b/go.sum index 149b65c4715ff..d5e8e788366bb 100644 --- a/go.sum +++ b/go.sum @@ -5,7 +5,6 @@ cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6A cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY= cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc= cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0= -cloud.google.com/go v0.50.0 h1:0E3eE8MX426vUOs7aHfI7aN1BrIzzzf4ccKCSfSjGmc= cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To= cloud.google.com/go v0.51.0 h1:PvKAVQWCtlGUSlZkGW3QLelKaWq7KYv/MW1EboG8bfM= cloud.google.com/go v0.51.0/go.mod h1:hWtGJ6gnXH+KgDv+V0zFGDvpi07n3z8ZNj3T1RW0Gcw= @@ -28,14 +27,11 @@ github.com/HdrHistogram/hdrhistogram-go v0.9.0 h1:dpujRju0R4M/QZzcnR1LH1qm+TVG3U github.com/HdrHistogram/hdrhistogram-go v0.9.0/go.mod h1:nxrse8/Tzg2tg3DZcZjm6qEclQKK70g0KxO61gFFZD4= github.com/Jeffail/gabs/v2 v2.5.1 h1:ANfZYjpMlfTTKebycu4X1AgkVWumFVDYQl7JwOr4mDk= github.com/Jeffail/gabs/v2 v2.5.1/go.mod h1:xCn81vdHKxFUuWWAaD5jCTQDNPBMh5pPs9IJ+NcziBI= -github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc= github.com/KyleBanks/depth v1.2.1/go.mod h1:jzSb9d0L43HxTQfT+oSA1EEp2q+ne2uh6XgeJcm8brE= github.com/OneOfOne/xxhash v1.2.2 h1:KMrpdQIwFcEqXDklaen+P1axHaj9BSKzvpUUfnHldSE= github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU= github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= -github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI= github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= -github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M= github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE= github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d h1:G0m3OIz70MZUWq3EgK3CesDbo8upS2Vm9/P3FtgI+Jk= github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg= @@ -81,16 +77,13 @@ github.com/coocood/bbloom v0.0.0-20190830030839-58deb6228d64 h1:W1SHiII3e0jVwvaQ github.com/coocood/bbloom v0.0.0-20190830030839-58deb6228d64/go.mod h1:F86k/6c7aDUdwSUevnLpHS/3Q9hzYCE99jGk2xsHnt0= github.com/coocood/rtutil v0.0.0-20190304133409-c84515f646f2 h1:NnLfQ77q0G4k2Of2c1ceQ0ec6MkLQyDp+IGdVM0D8XM= github.com/coocood/rtutil v0.0.0-20190304133409-c84515f646f2/go.mod h1:7qG7YFnOALvsx6tKTNmQot8d7cGFXM9TidzvRFLWYwM= -github.com/coreos/bbolt v1.3.2 h1:wZwiHHUieZCquLkDL0B8UhzreNWsPHooDAG3q34zk0s= github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk= -github.com/coreos/etcd v3.3.10+incompatible h1:jFneRYjIvLMLhDLCzuTuU4rSJUjRplcJQ7pD7MnhC04= github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE= github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk= github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk= github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM= github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk= github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= -github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e h1:Wf6HqHfScWJN9/ZjdUKyjop4mf3Qdd+1TvvltAvM3m8= github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f h1:JOrtw2xFKzlg+cbHpyrpLDmnN1HqhBfnX7WDiW7eG2c= github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= @@ -98,10 +91,8 @@ github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfc github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f h1:lBNOc5arjvs8E5mO2tbpBpLoyyu8B6e44T7hJy6potg= github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA= github.com/corona10/goimagehash v1.0.2/go.mod h1:/l9umBhvcHQXVtQO1V6Gp1yD20STawkhRnnX0D1bvVI= -github.com/cpuguy83/go-md2man v1.0.10 h1:BSKMNlYxDvnunlTymqtgONjNnaRV1sTpcovwwjF22jk= github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE= github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= -github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM= github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY= github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= @@ -140,7 +131,6 @@ github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5/go.mod h1:a github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4= github.com/fatih/color v1.9.0 h1:8xPHl4/q1VyqGIPif1F+1V3Y3lSmrq01EabUW3CoW5s= github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL+zU= -github.com/fatih/structtag v1.2.0 h1:/OdNE99OxoI/PqaW/SuSK9uxxT3f/tcSZgon/ssNSx4= github.com/fatih/structtag v1.2.0/go.mod h1:mBJUNpUnHmRKrKlQQlmCrh5PuhftFbNv8Ys4/aAZl94= github.com/fogleman/gg v1.3.0/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k= github.com/frankban/quicktest v1.11.1 h1:stwUsXhUGliQs9t0ZS39BWCltFdOHgABiIlihop8AD4= @@ -169,12 +159,10 @@ github.com/go-ole/go-ole v1.2.4 h1:nNBDSCOigTSiarFpYE9J/KtEA1IOW4CNeqT9TQDqCxI= github.com/go-ole/go-ole v1.2.4/go.mod h1:XCwSNxSkXRo4vlyPy93sltvi/qJq0jqQhjqQNIwKuxM= github.com/go-openapi/jsonpointer v0.17.0/go.mod h1:cOnomiV+CVVwFLk0A/MExoFMjwdsUdVpsRhURCKh+3M= github.com/go-openapi/jsonpointer v0.19.2/go.mod h1:3akKfEdA7DF1sugOqz1dVQHBcuDBPKZGEoHC/NkiQRg= -github.com/go-openapi/jsonpointer v0.19.3 h1:gihV7YNZK1iK6Tgwwsxo2rJbD1GTbdm72325Bq8FI3w= github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg= github.com/go-openapi/jsonreference v0.17.0/go.mod h1:g4xxGn04lDIRh0GJb5QlpE3HfopLOL6uZrK/VgnsK9I= github.com/go-openapi/jsonreference v0.19.0/go.mod h1:g4xxGn04lDIRh0GJb5QlpE3HfopLOL6uZrK/VgnsK9I= github.com/go-openapi/jsonreference v0.19.2/go.mod h1:jMjeRr2HHw6nAVajTXJ4eiUwohSTlpa0o73RUL1owJc= -github.com/go-openapi/jsonreference v0.19.3 h1:5cxNfTy0UVC3X8JL5ymxzyoUZmo8iZb+jeTWn7tUa8o= github.com/go-openapi/jsonreference v0.19.3/go.mod h1:rjx6GuL8TTa9VaixXglHmQmIL98+wF9xc8zWvFonSJ8= github.com/go-openapi/spec v0.19.0/go.mod h1:XkF/MOi14NmjsfZ8VtAKf8pIlbZzyoTvZsdfssdxcBI= github.com/go-openapi/spec v0.19.4/go.mod h1:FpwSN1ksY1eteniUU7X0N/BgJ7a4WvBFVA8Lj9mJglo= @@ -182,7 +170,6 @@ github.com/go-openapi/swag v0.17.0/go.mod h1:AByQ+nYG6gQg71GINrmuDXCPWdL640yX49/ github.com/go-openapi/swag v0.19.2/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk= github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk= github.com/go-playground/locales v0.12.1/go.mod h1:IUMDtCfWo/w/mtMfIE/IG2K+Ey3ygWanZIBtBW0W2TM= -github.com/go-playground/overalls v0.0.0-20180201144345-22ec1a223b7c h1:3bjbKXoj7jBYdHpQFbKL2546c4dtltTHzjo+5i4CHBU= github.com/go-playground/overalls v0.0.0-20180201144345-22ec1a223b7c/go.mod h1:UqxAgEOt89sCiXlrc/ycnx00LVvUO/eS8tMUkWX4R7w= github.com/go-playground/universal-translator v0.16.0/go.mod h1:1AnU7NaIRDWWzGEKwgtJRd2xk99HeFyHw3yid4rvQIY= github.com/go-sql-driver/mysql v1.4.1/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w= @@ -222,7 +209,6 @@ github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M= github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= -github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4= github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/google/go-cmp v0.5.2 h1:X2ev0eStA3AbceY54o37/0PQ/UWqKEiiO2dKL5OPaFM= github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= @@ -244,17 +230,14 @@ github.com/googleapis/gax-go/v2 v2.0.5 h1:sjZBwGj9Jlw33ImPtvFviGYvseOtDM7hkSKB7+ github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5mhpdKc/us6bOk= github.com/gorilla/handlers v1.4.2 h1:0QniY0USkHQ1RGCLfKxeNHK9bkDHGRYGNDFBCS+YARg= github.com/gorilla/handlers v1.4.2/go.mod h1:Qkdc/uu4tH4g6mTK6auzZ766c4CA0Ng8+o/OAirnOIQ= -github.com/gorilla/mux v1.7.3 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h1:z53tR0945TRRQO/fLEVPI6SMv7ZflF0TEaTAoU7tOzg= github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs= github.com/grpc-ecosystem/go-grpc-middleware v1.1.0 h1:THDBEeQ9xZ8JEaCLyLQqXMMdRqNr0QAUJTIkQAUtFjg= github.com/grpc-ecosystem/go-grpc-middleware v1.1.0/go.mod h1:f5nM7jw/oeRSadq3xCzHAvxcr8HZnzsqU6ILg/0NiiE= @@ -262,7 +245,6 @@ github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 h1:Ovs26xHkKqVztRpIrF/92Bcuy github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk= github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY= github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY= -github.com/grpc-ecosystem/grpc-gateway v1.12.1 h1:zCy2xE9ablevUOrUZc3Dl72Dt+ya2FNAvC2yLYMHzi4= github.com/grpc-ecosystem/grpc-gateway v1.12.1/go.mod h1:8XEsbTttt/W+VvjtQhLACqCisSPWTxCZ7sBRjU6iH9c= github.com/grpc-ecosystem/grpc-gateway v1.14.3 h1:OCJlWkOUoTnl0neNGlf4fUm3TmbEtguw7vR+nGtnDjY= github.com/grpc-ecosystem/grpc-gateway v1.14.3/go.mod h1:6CwZWGDSPRJidgKAtJVvND6soZe6fT7iteq8wDPdhb0= @@ -287,7 +269,6 @@ github.com/jmespath/go-jmespath v0.3.0/go.mod h1:9QtRXoHjLGCJ5IBSaohpXITPlowMeeY github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg= github.com/jonboulle/clockwork v0.1.0 h1:VKV+ZcuP6l3yW9doeqz6ziZGgcynBVQO+obU0+0hcPo= github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo= -github.com/joomcode/errorx v1.0.1 h1:CalpDWz14ZHd68fIqluJasJosAewpz2TFaJALrUxjrk= github.com/joomcode/errorx v1.0.1/go.mod h1:kgco15ekB6cs+4Xjzo7SPeXzx38PbJzBwbnu9qfVNHQ= github.com/json-iterator/go v1.1.5/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU= github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU= @@ -306,7 +287,6 @@ github.com/juju/errors v0.0.0-20200330140219-3fe23663418f h1:MCOvExGLpaSIzLYB4iQ github.com/juju/errors v0.0.0-20200330140219-3fe23663418f/go.mod h1:W54LbzXuIE0boCoNJfwqpmkKJ1O4TCTZMetAt6jGk7Q= github.com/juju/gnuflag v0.0.0-20171113085948-2ce1bb71843d/go.mod h1:2PavIy+JPciBPrBUjwbNvtwB6RQlve+hkpll6QSNmOE= github.com/juju/httpprof v0.0.0-20141217160036-14bf14c30767/go.mod h1:+MaLYz4PumRkkyHYeXJ2G5g5cIW0sli2bOfpmbaMV/g= -github.com/juju/loggo v0.0.0-20170605014607-8232ab8918d9 h1:Y+lzErDTURqeXqlqYi4YBYbDd7ycU74gW1ADt57/bgY= github.com/juju/loggo v0.0.0-20170605014607-8232ab8918d9/go.mod h1:vgyd7OREkbtVEN/8IXZe5Ooef3LQePvuBm9UWj6ZL8U= github.com/juju/loggo v0.0.0-20200526014432-9ce3a2e09b5e h1:FdDd7bdI6cjq5vaoYlK1mfQYfF9sF2VZw8VEZMsl5t8= github.com/juju/loggo v0.0.0-20200526014432-9ce3a2e09b5e/go.mod h1:vgyd7OREkbtVEN/8IXZe5Ooef3LQePvuBm9UWj6ZL8U= @@ -338,13 +318,11 @@ github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxv github.com/konsorten/go-windows-terminal-sequences v1.0.3 h1:CE8S1cTafDpPvMhIxNJKvHsGVBgn1xWYf1NbHQhywc8= github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ= github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc= -github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI= github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI= github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI= github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= github.com/kr/pty v1.1.5/go.mod h1:9r2w37qlBe7rQ6e1fg1S/9xpWHSnaqNdHD3WcMdbPDA= -github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE= @@ -362,7 +340,6 @@ github.com/masterzen/xmlpath v0.0.0-20140218185901-13f4951698ad/go.mod h1:A0zPC5 github.com/mattn/go-colorable v0.0.6/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU= github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU= github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE= -github.com/mattn/go-colorable v0.1.4 h1:snbPLB8fVfU9iwbbo30TPtbLRzwWu6aJS6Xh4eaaviA= github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE= github.com/mattn/go-colorable v0.1.6 h1:6Su7aK7lXmJ/U79bYtBjLNaha4Fs1Rg9plHpcH+vvnE= github.com/mattn/go-colorable v0.1.6/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc= @@ -372,7 +349,6 @@ github.com/mattn/go-isatty v0.0.7/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hd github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s= github.com/mattn/go-isatty v0.0.9/go.mod h1:YNRxwqDuOph6SZLI9vUUz6OYw3QyUt7WiY2yME+cCiQ= github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcMEpPG5Rm84= -github.com/mattn/go-isatty v0.0.11 h1:FxPOTFNqGkuDUGi3H/qkUbQO4ZiBa2brKq5r0l8TGeM= github.com/mattn/go-isatty v0.0.11/go.mod h1:PhnuNfih5lzO57/f3n+odYbM4JtupLOxQOAqxQCu2WE= github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY= github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU= @@ -383,11 +359,8 @@ github.com/mattn/go-shellwords v1.0.3/go.mod h1:3xCvwCdWdlDJUrvuMn7Wuy9eWs4pE8vq github.com/mattn/go-sqlite3 v2.0.1+incompatible/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc= github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU= github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0= -github.com/mgechev/dots 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github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de github.com/zhangjinpeng1987/raft v0.0.0-20200819064223-df31bb68a018 h1:T3OrqVdcH6z6SakR7WkECvGpdkfB0MAur/6zf66GPxQ= github.com/zhangjinpeng1987/raft v0.0.0-20200819064223-df31bb68a018/go.mod h1:rTSjwgeYU2on64W50csWDlhyy0x9UYVYJUovHlYdt5s= go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU= -go.etcd.io/bbolt v1.3.3 h1:MUGmc65QhB3pIlaQ5bB4LwqSj6GIonVJXpZiaKNyaKk= go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU= go.etcd.io/bbolt v1.3.4 h1:hi1bXHMVrlQh6WwxAy+qZCV/SYIlqo+Ushwdpa4tAKg= go.etcd.io/bbolt v1.3.4/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ= @@ -640,7 +600,6 @@ go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw= go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE= go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE= go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ= -go.uber.org/atomic v1.6.0 h1:Ezj3JGmsOnG1MoRWQkPBsKLe9DwWD9QeXzTRzzldNVk= go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ= go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw= go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc= @@ -653,11 +612,9 @@ go.uber.org/goleak v0.10.0/go.mod h1:VCZuO8V8mFPlL0F5J5GK1rtHV3DrFcQ1R8ryq7FK0aI go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0= go.uber.org/multierr v1.3.0/go.mod h1:VgVr7evmIr6uPjLBxg28wmKNXyqE9akIJ5XnfpiKl+4= go.uber.org/multierr v1.4.0/go.mod h1:VgVr7evmIr6uPjLBxg28wmKNXyqE9akIJ5XnfpiKl+4= -go.uber.org/multierr v1.5.0 h1:KCa4XfM8CWFCpxXRGok+Q0SS/0XBhMDbHHGABQLvD2A= go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKYU= go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4= go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU= -go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee h1:0mgffUl7nfd+FpvXMVz4IDEaUSmT1ysygQC7qYo7sG4= go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9Ejo0C68/HhF8uaILCdgjnY+goOA= go.uber.org/zap v1.8.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q= go.uber.org/zap v1.9.1/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q= @@ -678,7 +635,6 @@ golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8U golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20191205180655-e7c4368fe9dd/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/crypto v0.0.0-20200204104054-c9f3fb736b72/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= -golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI= golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a h1:vclmkQCjlDX5OydZ9wv8rBCcS0QyQY66Mpf/7BZbInM= golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= @@ -700,7 +656,6 @@ golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHl golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc= golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc= golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc= -golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f h1:J5lckAjkw6qYlOZNj90mLYNTEKDvWeuc1yieZ8qUzUE= golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs= golang.org/x/lint v0.0.0-20200302205851-738671d3881b h1:Wh+f8QHJXR411sJR8/vRBTZ7YapZaRvUcLFFJhusH0k= golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY= @@ -745,7 +700,6 @@ golang.org/x/net v0.0.0-20200904194848-62affa334b73/go.mod h1:/O7V0waA8r7cgGh81R golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw= golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw= -golang.org/x/oauth2 v0.0.0-20191202225959-858c2ad4c8b6 h1:pE8b58s1HRDMi8RDc79m0HISf9D4TzseP40cEA6IGfs= golang.org/x/oauth2 v0.0.0-20191202225959-858c2ad4c8b6/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw= golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d h1:TzXSXBo42m9gQenoE3b9BGiEpg5IG2JkU5FkPIawgtw= golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw= @@ -798,7 +752,6 @@ golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k= golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= -golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 h1:SvFZT6jyqRaOeXpc5h/JSfZenJ2O330aBsf7JfSUXmQ= golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/time v0.0.0-20191024005414-555d28b269f0 h1:/5xXl8Y5W96D+TtHSlonuFqGHIWVuyCkGJLwGh9JJFs= golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= @@ -871,7 +824,6 @@ google.golang.org/genproto v0.0.0-20190927181202-20e1ac93f88c/go.mod h1:IbNlFCBr google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= -google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb h1:ADPHZzpzM4tk4V4S5cnCrr5SwzvlrPRmqqCuJDB8UTs= google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= google.golang.org/genproto v0.0.0-20200108215221-bd8f9a0ef82f h1:2wh8dWY8959cBGQvk1RD+/eQBgRYYDaZ+hT0/zsARoA= google.golang.org/genproto v0.0.0-20200108215221-bd8f9a0ef82f/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= @@ -892,7 +844,6 @@ gopkg.in/alecthomas/kingpin.v3-unstable v3.0.0-20180810215634-df19058c872c/go.mo gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20160105164936-4f90aeace3a2/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= -gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo= gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b h1:QRR6H1YWRnHb4Y/HeNFCTJLFVxaq6wH4YuVdsUOr75U= gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= @@ -905,7 +856,6 @@ gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8 gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y= gopkg.in/go-playground/validator.v9 v9.29.1/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ= gopkg.in/httprequest.v1 v1.1.1/go.mod h1:/CkavNL+g3qLOrpFHVrEx4NKepeqR4XTZWNj4sGGjz0= -gopkg.in/mgo.v2 v2.0.0-20160818015218-f2b6f6c918c4 h1:hILp2hNrRnYjZpmIbx70psAHbBSEcQ1NIzDcUbJ1b6g= gopkg.in/mgo.v2 v2.0.0-20160818015218-f2b6f6c918c4/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA= gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22 h1:VpOs+IwYnYBaFnrNAeB8UUWtL3vEUnzSCL1nVjPhqrw= gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA= @@ -921,7 +871,6 @@ gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= -gopkg.in/yaml.v2 v2.2.7 h1:VUgggvou5XRW9mHwD/yXxIYSMtY0zoKQf/v226p2nyo= gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU= @@ -937,7 +886,6 @@ k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I= launchpad.net/gocheck v0.0.0-20140225173054-000000000087/go.mod h1:hj7XX3B/0A+80Vse0e+BUHsHMTEhd0O4cpUHr/e/BUM= launchpad.net/xmlpath v0.0.0-20130614043138-000000000004/go.mod h1:vqyExLOM3qBx7mvYRkoxjSCF945s0mbe7YynlKYXtsA= rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= -sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs= sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o= sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q= sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc= diff --git a/planner/core/expression_rewriter.go b/planner/core/expression_rewriter.go index 40aeac58a39aa..e3d1cb869362f 100644 --- a/planner/core/expression_rewriter.go +++ b/planner/core/expression_rewriter.go @@ -1178,7 +1178,7 @@ func (er *expressionRewriter) unaryOpToExpression(v *ast.UnaryOperationExpr) { op = ast.UnaryMinus case opcode.BitNeg: op = ast.BitNeg - case opcode.Not: + case opcode.Not, opcode.Not2: op = ast.UnaryNot default: er.err = errors.Errorf("Unknown Unary Op %T", v.Op) diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index 267a789b8bd85..fdd1957475dd9 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -18,7 +18,6 @@ import ( "fmt" "math" "math/bits" - "reflect" "sort" "strconv" "strings" @@ -2170,7 +2169,7 @@ func checkExprInGroupBy( } if _, ok := expr.(*ast.ColumnNameExpr); !ok { for _, gbyExpr := range gbyExprs { - if reflect.DeepEqual(gbyExpr, expr) { + if ast.ExpressionDeepEqual(gbyExpr, expr) { return } } From 56467c3b4befdb8d5cd89f8be5c09fafe3735e02 Mon Sep 17 00:00:00 2001 From: crazycs Date: Tue, 27 Oct 2020 19:05:59 +0800 Subject: [PATCH 0093/1021] executor: support show create table for list partition (#20634) --- executor/infoschema_reader.go | 35 ++++++++++++++++++- executor/infoschema_reader_test.go | 15 +++++++-- executor/show.go | 54 +++++++++++++++++++++++++----- executor/show_test.go | 54 ++++++++++++++++++++++++++++++ 4 files changed, 147 insertions(+), 11 deletions(-) diff --git a/executor/infoschema_reader.go b/executor/infoschema_reader.go index 420d3b3b29d54..736d2a9300be3 100644 --- a/executor/infoschema_reader.go +++ b/executor/infoschema_reader.go @@ -14,6 +14,7 @@ package executor import ( + "bytes" "context" "encoding/json" "fmt" @@ -712,7 +713,29 @@ func (e *memtableRetriever) setDataFromPartitions(ctx sessionctx.Context, schema var partitionDesc string if table.Partition.Type == model.PartitionTypeRange { - partitionDesc = pi.LessThan[0] + partitionDesc = strings.Join(pi.LessThan, ",") + } else if table.Partition.Type == model.PartitionTypeList { + if len(pi.InValues) > 0 { + buf := bytes.NewBuffer(nil) + if len(pi.InValues[0]) == 1 { + for i, vs := range pi.InValues { + if i > 0 { + buf.WriteString(",") + } + buf.WriteString(vs[0]) + } + } else if len(pi.InValues[0]) > 1 { + for i, vs := range pi.InValues { + if i > 0 { + buf.WriteString(",") + } + buf.WriteString("(") + buf.WriteString(strings.Join(vs, ",")) + buf.WriteString(")") + } + } + partitionDesc = buf.String() + } } partitionMethod := table.Partition.Type.String() @@ -720,6 +743,16 @@ func (e *memtableRetriever) setDataFromPartitions(ctx sessionctx.Context, schema if table.Partition.Type == model.PartitionTypeRange && len(table.Partition.Columns) > 0 { partitionMethod = "RANGE COLUMNS" partitionExpr = table.Partition.Columns[0].String() + } else if table.Partition.Type == model.PartitionTypeList && len(table.Partition.Columns) > 0 { + partitionMethod = "LIST COLUMNS" + buf := bytes.NewBuffer(nil) + for i, col := range table.Partition.Columns { + if i > 0 { + buf.WriteString(",") + } + buf.WriteString(col.String()) + } + partitionExpr = buf.String() } record := types.MakeDatums( diff --git a/executor/infoschema_reader_test.go b/executor/infoschema_reader_test.go index abbf560a8281e..453d2d5189a7b 100644 --- a/executor/infoschema_reader_test.go +++ b/executor/infoschema_reader_test.go @@ -458,11 +458,22 @@ func (s *testInfoschemaTableSerialSuite) TestPartitionsTable(c *C) { tk.MustQuery("select PARTITION_NAME, TABLE_ROWS, AVG_ROW_LENGTH, DATA_LENGTH, INDEX_LENGTH from information_schema.PARTITIONS where table_name='test_partitions_1';").Check( testkit.Rows(" 3 18 54 6")) - tk.MustExec("DROP TABLE `test_partitions`;") - + tk.MustExec("DROP TABLE IF EXISTS `test_partitions`;") tk.MustExec(`CREATE TABLE test_partitions1 (id int, b int, c varchar(5), primary key(id), index idx(c)) PARTITION BY RANGE COLUMNS(id) (PARTITION p0 VALUES LESS THAN (6), PARTITION p1 VALUES LESS THAN (11), PARTITION p2 VALUES LESS THAN (16));`) tk.MustQuery("select PARTITION_NAME,PARTITION_METHOD,PARTITION_EXPRESSION from information_schema.partitions where table_name = 'test_partitions1';").Check(testkit.Rows("p0 RANGE COLUMNS id", "p1 RANGE COLUMNS id", "p2 RANGE COLUMNS id")) tk.MustExec("DROP TABLE test_partitions1") + + tk.MustExec("create table test_partitions (a int) partition by list (a) (partition p0 values in (1), partition p1 values in (2));") + tk.MustQuery("select PARTITION_NAME,PARTITION_METHOD,PARTITION_EXPRESSION from information_schema.partitions where table_name = 'test_partitions';").Check(testkit.Rows("p0 LIST `a`", "p1 LIST `a`")) + tk.MustExec("drop table test_partitions") + + tk.MustExec("create table test_partitions (a date) partition by list (year(a)) (partition p0 values in (1), partition p1 values in (2));") + tk.MustQuery("select PARTITION_NAME,PARTITION_METHOD,PARTITION_EXPRESSION from information_schema.partitions where table_name = 'test_partitions';").Check(testkit.Rows("p0 LIST YEAR(`a`)", "p1 LIST YEAR(`a`)")) + tk.MustExec("drop table test_partitions") + + tk.MustExec("create table test_partitions (a bigint, b date) partition by list columns (a,b) (partition p0 values in ((1,'2020-09-28'),(1,'2020-09-29')));") + tk.MustQuery("select PARTITION_NAME,PARTITION_METHOD,PARTITION_EXPRESSION from information_schema.partitions where table_name = 'test_partitions';").Check(testkit.Rows("p0 LIST COLUMNS a,b")) + tk.MustExec("drop table test_partitions") } func (s *testInfoschemaTableSuite) TestMetricTables(c *C) { diff --git a/executor/show.go b/executor/show.go index d06a135418970..7be294e53c75a 100644 --- a/executor/show.go +++ b/executor/show.go @@ -1123,19 +1123,57 @@ func appendPartitionInfo(partitionInfo *model.PartitionInfo, buf *bytes.Buffer) } } buf.WriteString(") (\n") + } else if partitionInfo.Type == model.PartitionTypeList { + if len(partitionInfo.Columns) == 0 { + fmt.Fprintf(buf, "\nPARTITION BY %s (%s) (\n", partitionInfo.Type.String(), partitionInfo.Expr) + } else { + colsName := "" + for _, col := range partitionInfo.Columns { + if len(colsName) > 0 { + colsName += "," + } + colsName += col.L + } + fmt.Fprintf(buf, "\nPARTITION BY LIST COLUMNS(%s) (\n", colsName) + } } else { fmt.Fprintf(buf, "\nPARTITION BY %s ( %s ) (\n", partitionInfo.Type.String(), partitionInfo.Expr) } - for i, def := range partitionInfo.Definitions { - lessThans := strings.Join(def.LessThan, ",") - fmt.Fprintf(buf, " PARTITION `%s` VALUES LESS THAN (%s)", def.Name, lessThans) - if i < len(partitionInfo.Definitions)-1 { - buf.WriteString(",\n") - } else { - buf.WriteString("\n") + if partitionInfo.Type == model.PartitionTypeRange { + for i, def := range partitionInfo.Definitions { + lessThans := strings.Join(def.LessThan, ",") + fmt.Fprintf(buf, " PARTITION `%s` VALUES LESS THAN (%s)", def.Name, lessThans) + if i < len(partitionInfo.Definitions)-1 { + buf.WriteString(",\n") + } else { + buf.WriteString("\n") + } + } + buf.WriteString(")") + } else if partitionInfo.Type == model.PartitionTypeList { + for i, def := range partitionInfo.Definitions { + values := bytes.NewBuffer(nil) + for j, inValues := range def.InValues { + if j > 0 { + values.WriteString(",") + } + if len(inValues) > 1 { + values.WriteString("(") + values.WriteString(strings.Join(inValues, ",")) + values.WriteString(")") + } else { + values.WriteString(strings.Join(inValues, ",")) + } + } + fmt.Fprintf(buf, " PARTITION `%s` VALUES IN (%s)", def.Name, values.String()) + if i < len(partitionInfo.Definitions)-1 { + buf.WriteString(",\n") + } else { + buf.WriteString("\n") + } } + buf.WriteString(")") } - buf.WriteString(")") } // ConstructResultOfShowCreateDatabase constructs the result for show create database. diff --git a/executor/show_test.go b/executor/show_test.go index 55db45592dd83..c8a08741b9d37 100644 --- a/executor/show_test.go +++ b/executor/show_test.go @@ -796,6 +796,60 @@ func (s *testSuite5) TestShowCreateTable(c *C) { ") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin", )) + // Test show list partition table + tk.MustExec(`DROP TABLE IF EXISTS t`) + tk.MustExec(`create table t (id int, name varchar(10), unique index idx (id)) partition by list (id) ( + partition p0 values in (3,5,6,9,17), + partition p1 values in (1,2,10,11,19,20), + partition p2 values in (4,12,13,14,18), + partition p3 values in (7,8,15,16,null) + );`) + tk.MustQuery(`show create table t`).Check(testutil.RowsWithSep("|", + "t CREATE TABLE `t` (\n"+ + " `id` int(11) DEFAULT NULL,\n"+ + " `name` varchar(10) DEFAULT NULL,\n"+ + " UNIQUE KEY `idx` (`id`)\n"+ + ") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin\n"+ + "PARTITION BY LIST (`id`) (\n"+ + " PARTITION `p0` VALUES IN (3,5,6,9,17),\n"+ + " PARTITION `p1` VALUES IN (1,2,10,11,19,20),\n"+ + " PARTITION `p2` VALUES IN (4,12,13,14,18),\n"+ + " PARTITION `p3` VALUES IN (7,8,15,16,NULL)\n"+ + ")")) + // Test show list column partition table + tk.MustExec(`DROP TABLE IF EXISTS t`) + tk.MustExec(`create table t (id int, name varchar(10), unique index idx (id)) partition by list columns (id) ( + partition p0 values in (3,5,6,9,17), + partition p1 values in (1,2,10,11,19,20), + partition p2 values in (4,12,13,14,18), + partition p3 values in (7,8,15,16,null) + );`) + tk.MustQuery(`show create table t`).Check(testutil.RowsWithSep("|", + "t CREATE TABLE `t` (\n"+ + " `id` int(11) DEFAULT NULL,\n"+ + " `name` varchar(10) DEFAULT NULL,\n"+ + " UNIQUE KEY `idx` (`id`)\n"+ + ") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin\n"+ + "PARTITION BY LIST COLUMNS(id) (\n"+ + " PARTITION `p0` VALUES IN (3,5,6,9,17),\n"+ + " PARTITION `p1` VALUES IN (1,2,10,11,19,20),\n"+ + " PARTITION `p2` VALUES IN (4,12,13,14,18),\n"+ + " PARTITION `p3` VALUES IN (7,8,15,16,NULL)\n"+ + ")")) + tk.MustExec(`DROP TABLE IF EXISTS t`) + tk.MustExec(`create table t (id int, name varchar(10), unique index idx (id, name)) partition by list columns (id, name) ( + partition p0 values in ((3, '1'), (5, '5')), + partition p1 values in ((1, '1')));`) + tk.MustQuery(`show create table t`).Check(testutil.RowsWithSep("|", + "t CREATE TABLE `t` (\n"+ + " `id` int(11) DEFAULT NULL,\n"+ + " `name` varchar(10) DEFAULT NULL,\n"+ + " UNIQUE KEY `idx` (`id`,`name`)\n"+ + ") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin\n"+ + "PARTITION BY LIST COLUMNS(id,name) (\n"+ + " PARTITION `p0` VALUES IN ((3,\"1\"),(5,\"5\")),\n"+ + " PARTITION `p1` VALUES IN ((1,\"1\"))\n"+ + ")")) } func (s *testAutoRandomSuite) TestShowCreateTableAutoRandom(c *C) { From 272f964031568d6ac97fc396dbbebc456faab67c Mon Sep 17 00:00:00 2001 From: Ping Yu Date: Tue, 27 Oct 2020 19:39:20 +0800 Subject: [PATCH 0094/1021] executor: support global kill (#17649) --- Makefile | 69 +- Makefile.common | 80 +++ config/config.go | 1 - config/config.toml.example | 4 - config/config_util.go | 1 - ddl/ddl_test.go | 2 +- distsql/request_builder.go | 8 + docs/design/2020-06-01-global-kill.md | 73 ++ domain/domain.go | 266 ++++++- domain/domain_test.go | 20 + domain/infosync/info.go | 53 +- domain/infosync/info_test.go | 2 +- executor/builder.go | 3 + executor/executor_pkg_test.go | 13 +- executor/explainfor_test.go | 6 + executor/infoschema_reader.go | 1 + executor/infoschema_reader_test.go | 57 +- executor/prepared_test.go | 4 + executor/seqtest/prepared_test.go | 6 + executor/simple.go | 99 ++- executor/simple_test.go | 30 +- infoschema/tables.go | 8 + infoschema/tables_test.go | 12 +- kv/kv.go | 2 + planner/core/common_plans.go | 12 + planner/core/pb_to_plan.go | 12 + server/conn.go | 8 +- server/conn_test.go | 10 +- server/rpc_server.go | 6 + server/server.go | 29 +- sessionctx/variable/session.go | 6 +- store/tikv/coprocessor.go | 4 + store/tikv/kv.go | 13 + tests/globalkilltest/Makefile | 40 ++ tests/globalkilltest/README.md | 101 +++ tests/globalkilltest/global_kill_test.go | 509 +++++++++++++ tests/globalkilltest/go.mod | 17 + tests/globalkilltest/go.sum | 869 +++++++++++++++++++++++ tests/globalkilltest/proxy.go | 73 ++ tests/globalkilltest/run-tests.sh | 73 ++ tidb-server/main.go | 1 + util/logutil/log.go | 10 +- util/logutil/log_test.go | 2 +- util/processinfo.go | 85 +++ util/processinfo_test.go | 63 ++ 45 files changed, 2619 insertions(+), 144 deletions(-) create mode 100644 Makefile.common create mode 100644 docs/design/2020-06-01-global-kill.md create mode 100644 tests/globalkilltest/Makefile create mode 100644 tests/globalkilltest/README.md create mode 100644 tests/globalkilltest/global_kill_test.go create mode 100644 tests/globalkilltest/go.mod create mode 100644 tests/globalkilltest/go.sum create mode 100644 tests/globalkilltest/proxy.go create mode 100755 tests/globalkilltest/run-tests.sh create mode 100644 util/processinfo_test.go diff --git a/Makefile b/Makefile index 037aa64c3bc22..0062e330333c9 100644 --- a/Makefile +++ b/Makefile @@ -11,63 +11,7 @@ # See the License for the specific language governing permissions and # limitations under the License. -PROJECT=tidb -GOPATH ?= $(shell go env GOPATH) -P=8 - -# Ensure GOPATH is set before running build process. -ifeq "$(GOPATH)" "" - $(error Please set the environment variable GOPATH before running `make`) -endif -FAIL_ON_STDOUT := awk '{ print } END { if (NR > 0) { exit 1 } }' - -CURDIR := $(shell pwd) -path_to_add := $(addsuffix /bin,$(subst :,/bin:,$(GOPATH))):$(PWD)/tools/bin -export PATH := $(path_to_add):$(PATH) - -GO := GO111MODULE=on go -GOBUILD := $(GO) build $(BUILD_FLAG) -tags codes -GOBUILDCOVERAGE := GOPATH=$(GOPATH) cd tidb-server; $(GO) test -coverpkg="../..." -c . -GOTEST := $(GO) test -p $(P) -OVERALLS := GO111MODULE=on overalls -STATICCHECK := GO111MODULE=on staticcheck -TIDB_EDITION ?= Community - -# Ensure TIDB_EDITION is set to Community or Enterprise before running build process. -ifneq "$(TIDB_EDITION)" "Community" -ifneq "$(TIDB_EDITION)" "Enterprise" - $(error Please set the correct environment variable TIDB_EDITION before running `make`) -endif -endif - -ARCH := "`uname -s`" -LINUX := "Linux" -MAC := "Darwin" -PACKAGE_LIST := go list ./...| grep -vE "cmd" -PACKAGES ?= $$($(PACKAGE_LIST)) -PACKAGE_DIRECTORIES := $(PACKAGE_LIST) | sed 's|github.com/pingcap/$(PROJECT)/||' -FILES := $$(find $$($(PACKAGE_DIRECTORIES)) -name "*.go") - -FAILPOINT_ENABLE := $$(find $$PWD/ -type d | grep -vE "(\.git|tools)" | xargs tools/bin/failpoint-ctl enable) -FAILPOINT_DISABLE := $$(find $$PWD/ -type d | grep -vE "(\.git|tools)" | xargs tools/bin/failpoint-ctl disable) - -LDFLAGS += -X "github.com/pingcap/parser/mysql.TiDBReleaseVersion=$(shell git describe --tags --dirty --always)" -LDFLAGS += -X "github.com/pingcap/tidb/util/versioninfo.TiDBBuildTS=$(shell date -u '+%Y-%m-%d %H:%M:%S')" -LDFLAGS += -X "github.com/pingcap/tidb/util/versioninfo.TiDBGitHash=$(shell git rev-parse HEAD)" -LDFLAGS += -X "github.com/pingcap/tidb/util/versioninfo.TiDBGitBranch=$(shell git rev-parse --abbrev-ref HEAD)" -LDFLAGS += -X "github.com/pingcap/tidb/util/versioninfo.TiDBEdition=$(TIDB_EDITION)" - -TEST_LDFLAGS = -X "github.com/pingcap/tidb/config.checkBeforeDropLDFlag=1" -COVERAGE_SERVER_LDFLAGS = -X "github.com/pingcap/tidb/tidb-server.isCoverageServer=1" - -CHECK_LDFLAGS += $(LDFLAGS) ${TEST_LDFLAGS} - -TARGET = "" - -# VB = Vector Benchmark -VB_FILE = -VB_FUNC = - +include Makefile.common .PHONY: all clean test gotest server dev benchkv benchraw check checklist parser tidy ddltest @@ -207,17 +151,6 @@ tikv_integration_test: failpoint-enable $(GOTEST) ./store/tikv/. -with-tikv=true || { $(FAILPOINT_DISABLE); exit 1; } @$(FAILPOINT_DISABLE) -RACE_FLAG = -ifeq ("$(WITH_RACE)", "1") - RACE_FLAG = -race - GOBUILD = GOPATH=$(GOPATH) $(GO) build -endif - -CHECK_FLAG = -ifeq ("$(WITH_CHECK)", "1") - CHECK_FLAG = $(TEST_LDFLAGS) -endif - server: ifeq ($(TARGET), "") CGO_ENABLED=1 $(GOBUILD) $(RACE_FLAG) -ldflags '$(LDFLAGS) $(CHECK_FLAG)' -o bin/tidb-server tidb-server/main.go diff --git a/Makefile.common b/Makefile.common new file mode 100644 index 0000000000000..8885dc6c3a979 --- /dev/null +++ b/Makefile.common @@ -0,0 +1,80 @@ +# Copyright 2020 PingCAP, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# See the License for the specific language governing permissions and +# limitations under the License. + +PROJECT=tidb +GOPATH ?= $(shell go env GOPATH) +P=8 + +# Ensure GOPATH is set before running build process. +ifeq "$(GOPATH)" "" + $(error Please set the environment variable GOPATH before running `make`) +endif +FAIL_ON_STDOUT := awk '{ print } END { if (NR > 0) { exit 1 } }' + +CURDIR := $(shell pwd) +path_to_add := $(addsuffix /bin,$(subst :,/bin:,$(GOPATH))):$(PWD)/tools/bin +export PATH := $(path_to_add):$(PATH) + +GO := GO111MODULE=on go +GOBUILD := $(GO) build $(BUILD_FLAG) -tags codes +GOBUILDCOVERAGE := GOPATH=$(GOPATH) cd tidb-server; $(GO) test -coverpkg="../..." -c . +GOTEST := $(GO) test -p $(P) +OVERALLS := GO111MODULE=on overalls +STATICCHECK := GO111MODULE=on staticcheck +TIDB_EDITION ?= Community + +# Ensure TIDB_EDITION is set to Community or Enterprise before running build process. +ifneq "$(TIDB_EDITION)" "Community" +ifneq "$(TIDB_EDITION)" "Enterprise" + $(error Please set the correct environment variable TIDB_EDITION before running `make`) +endif +endif + +ARCH := "`uname -s`" +LINUX := "Linux" +MAC := "Darwin" +PACKAGE_LIST := go list ./...| grep -vE "cmd|github.com\/pingcap\/tidb\/tests" +PACKAGES ?= $$($(PACKAGE_LIST)) +PACKAGE_DIRECTORIES := $(PACKAGE_LIST) | sed 's|github.com/pingcap/$(PROJECT)/||' +FILES := $$(find $$($(PACKAGE_DIRECTORIES)) -name "*.go") + +FAILPOINT_ENABLE := $$(find $$PWD/ -type d | grep -vE "(\.git|tools)" | xargs tools/bin/failpoint-ctl enable) +FAILPOINT_DISABLE := $$(find $$PWD/ -type d | grep -vE "(\.git|tools)" | xargs tools/bin/failpoint-ctl disable) + +LDFLAGS += -X "github.com/pingcap/parser/mysql.TiDBReleaseVersion=$(shell git describe --tags --dirty --always)" +LDFLAGS += -X "github.com/pingcap/tidb/util/versioninfo.TiDBBuildTS=$(shell date -u '+%Y-%m-%d %H:%M:%S')" +LDFLAGS += -X "github.com/pingcap/tidb/util/versioninfo.TiDBGitHash=$(shell git rev-parse HEAD)" +LDFLAGS += -X "github.com/pingcap/tidb/util/versioninfo.TiDBGitBranch=$(shell git rev-parse --abbrev-ref HEAD)" +LDFLAGS += -X "github.com/pingcap/tidb/util/versioninfo.TiDBEdition=$(TIDB_EDITION)" + +TEST_LDFLAGS = -X "github.com/pingcap/tidb/config.checkBeforeDropLDFlag=1" +COVERAGE_SERVER_LDFLAGS = -X "github.com/pingcap/tidb/tidb-server.isCoverageServer=1" + +CHECK_LDFLAGS += $(LDFLAGS) ${TEST_LDFLAGS} + +TARGET = "" + +# VB = Vector Benchmark +VB_FILE = +VB_FUNC = + +RACE_FLAG = +ifeq ("$(WITH_RACE)", "1") + RACE_FLAG = -race + GOBUILD = GOPATH=$(GOPATH) $(GO) build +endif + +CHECK_FLAG = +ifeq ("$(WITH_CHECK)", "1") + CHECK_FLAG = $(TEST_LDFLAGS) +endif diff --git a/config/config.go b/config/config.go index 4c5cd4e1720a4..9c94faa883d0b 100644 --- a/config/config.go +++ b/config/config.go @@ -119,7 +119,6 @@ type Config struct { ProxyProtocol ProxyProtocol `toml:"proxy-protocol" json:"proxy-protocol"` TiKVClient TiKVClient `toml:"tikv-client" json:"tikv-client"` Binlog Binlog `toml:"binlog" json:"binlog"` - CompatibleKillQuery bool `toml:"compatible-kill-query" json:"compatible-kill-query"` Plugin Plugin `toml:"plugin" json:"plugin"` PessimisticTxn PessimisticTxn `toml:"pessimistic-txn" json:"pessimistic-txn"` CheckMb4ValueInUTF8 bool `toml:"check-mb4-value-in-utf8" json:"check-mb4-value-in-utf8"` diff --git a/config/config.toml.example b/config/config.toml.example index d67d0c738a087..5de78c7433223 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -67,10 +67,6 @@ enable-batch-dml = false # Set system variable 'lower_case_table_names' lower-case-table-names = 2 -# Make "kill query" behavior compatible with MySQL. It's not recommend to -# turn on this option when TiDB server is behind a proxy. -compatible-kill-query = false - # check mb4 value in utf8 is used to control whether to check the mb4 characters when the charset is utf8. check-mb4-value-in-utf8 = true diff --git a/config/config_util.go b/config/config_util.go index 6922437cf1bcb..9734fe595d313 100644 --- a/config/config_util.go +++ b/config/config_util.go @@ -61,7 +61,6 @@ var ( "CheckMb4ValueInUTF8": {}, "EnableStreaming": {}, "TxnLocalLatches.Capacity": {}, - "CompatibleKillQuery": {}, "TreatOldVersionUTF8AsUTF8MB4": {}, "OpenTracing.Enable": {}, "PreparedPlanCache.Enabled": {}, diff --git a/ddl/ddl_test.go b/ddl/ddl_test.go index a05fd76b862d9..b4d3f245fa0b9 100644 --- a/ddl/ddl_test.go +++ b/ddl/ddl_test.go @@ -80,7 +80,7 @@ func TestT(t *testing.T) { conf.AlterPrimaryKey = true }) - _, err := infosync.GlobalInfoSyncerInit(context.Background(), "t", nil, true) + _, err := infosync.GlobalInfoSyncerInit(context.Background(), "t", func() uint64 { return 1 }, nil, true) if err != nil { t.Fatal(err) } diff --git a/distsql/request_builder.go b/distsql/request_builder.go index 944c56bd5200d..39fe8c7f1f2f8 100644 --- a/distsql/request_builder.go +++ b/distsql/request_builder.go @@ -247,6 +247,14 @@ func (builder *RequestBuilder) SetConcurrency(concurrency int) *RequestBuilder { return builder } +// SetTiDBServerID sets "TiDBServerID" for "kv.Request" +// ServerID is a unique id of TiDB instance among the cluster. +// See https://github.com/pingcap/tidb/blob/master/docs/design/2020-06-01-global-kill.md +func (builder *RequestBuilder) SetTiDBServerID(serverID uint64) *RequestBuilder { + builder.Request.TiDBServerID = serverID + return builder +} + // TableRangesToKVRanges converts table ranges to "KeyRange". func TableRangesToKVRanges(tid int64, ranges []*ranger.Range, fb *statistics.QueryFeedback) []kv.KeyRange { return TablesRangesToKVRanges([]int64{tid}, ranges, fb) diff --git a/docs/design/2020-06-01-global-kill.md b/docs/design/2020-06-01-global-kill.md new file mode 100644 index 0000000000000..61cc6b8504368 --- /dev/null +++ b/docs/design/2020-06-01-global-kill.md @@ -0,0 +1,73 @@ +# Global Kill + +- Author(s): [pingyu](https://github.com/pingyu) (Ping Yu) +- Last updated: 2020-10-25 +- Discussion at: https://github.com/pingcap/tidb/issues/8854 + +## Abstract + +This document introduces the design of global connection id, and the global `KILL ` based on it. + +## Background + +Currently connection ids are local to TiDB instances, which means that a `KILL x` must be directed to the correct instance, and can not safely be load balanced across the cluster, as discussed [here](https://github.com/pingcap/tidb/issues/8854). + +## Proposal + +To support "Global Kill", we need: +1. Global connection ids, which are unique among all TiDB instances. +2. Redirect `KILL x` to target TiDB instance, on which the connection `x` is running. +3. Support both 32 & 64 bits `connId`, to be compatible with legacy 32 bits clients. In this stage, we only design the 64 bits `connId`, and left a `markup` to distinguish between these two kinds. + +## Rationale + +#### 1. Structure of `connId` +##### 64 bits version +``` + 63 62 41 40 1 0 + +--+---------------------+--------------------------------------+------+ + | | serverId | local connId |markup| + |=0| (22b) | (40b) | =1 | + +--+---------------------+--------------------------------------+------+ +``` +##### 32 bits version +(To be discussed in another RFC) +``` + 31 1 0 + +-----------------------------+------+ + | ??? |markup| + | ??? | =0 | + +-----------------------------+------+ +``` + +#### 2. bit 63 +Bit 63 is always __ZERO__, making `connId` in range of non-negative int64, to be more friendly to exists codes, and some languages don't have primitive type `uint64`. + +#### 3. markup +- `markup == 0` indicates that the `connID` is just 32 bits long effectively, and high 32 bits should be all zeros. Compatible with legacy 32 bits clients. +- `markup == 1` indicates that the `connID` is 64 bits long. Incompatible with legacy 32 bits clients. +- `markup == 1` while __high 32 bits are zeros__, indicates that 32 bits truncation happens. See `Compatibility` section. + + +#### 4. serverId +`serverId` is selected RANDOMLY by each TiDB instance on startup, and the uniqueness is guaranteed by PD(etcd). `serverId` should be larger or equal to 1, to ensure that high 32 bits of `connId` is always non-zero, and make it possible to detect truncation. + +On failure (e.g. fail connecting to PD, or all `serverId` are unavailable), we block any new connection. + +`serverId` is kept by PD with a lease (defaults to 12 hours, long enough to avoid brutally killing any long-run SQL). If TiDB is disconnected to PD longer than half of the lease (defaults to 6 hours), all connections are killed, and no new connection is accepted, to avoid running with stale/incorrect `serverId`. On connection to PD restored, a new `serverId` is acquired before accepting new connection. + +On single TiDB instance without PD, a `serverId` of `1` is assigned. + +#### 5. local connId +`local connId` is allocated by each TiDB instance on establishing connections incrementally. + +Integer overflow is ignored at this stage, as `local connId` should be long enough. + +#### 6. global kill +On processing `KILL x` command, first extract `serverId` from `x`. Then if `serverId` aims to a remote TiDB instance, get the address from cluster info (see also [`CLUSTER_INFO`](https://docs.pingcap.com/tidb/stable/information-schema-cluster-info#cluster_info)), and redirect the command to it by "Coprocessor API" provided by the remote TiDB, along with the original user authentication. + +## Compatibility + +- Incompatible with legacy 32 bits clients. (According to some quick tests by now, MySQL client v8.0.19 supports `KILL` a connection with 64 bits `connId`, while `CTRL-C` does not, because it truncates the `connId` to 32 bits). A warning is set prompting that truncation happened, but user cannot see it, because `CTRL-C` is sent by a new connection in an instant. + +- [`KILL TIDB`](https://docs.pingcap.com/tidb/v4.0/sql-statement-kill) syntax and [`compatible-kill-query`](https://docs.pingcap.com/tidb/v4.0/tidb-configuration-file#compatible-kill-query) configuration item are deprecated. diff --git a/domain/domain.go b/domain/domain.go index 07bc616025336..ead025c032c9d 100644 --- a/domain/domain.go +++ b/domain/domain.go @@ -15,6 +15,9 @@ package domain import ( "context" + "fmt" + "math/rand" + "strconv" "sync" "sync/atomic" "time" @@ -32,6 +35,7 @@ import ( "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/ddl" "github.com/pingcap/tidb/ddl/placement" + ddlutil "github.com/pingcap/tidb/ddl/util" "github.com/pingcap/tidb/domain/infosync" "github.com/pingcap/tidb/errno" "github.com/pingcap/tidb/infoschema" @@ -53,6 +57,7 @@ import ( "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/sqlexec" "go.etcd.io/etcd/clientv3" + "go.etcd.io/etcd/clientv3/concurrency" "go.uber.org/zap" "google.golang.org/grpc" "google.golang.org/grpc/keepalive" @@ -81,6 +86,10 @@ type Domain struct { statsUpdating sync2.AtomicInt32 cancel context.CancelFunc indexUsageSyncLease time.Duration + + serverID uint64 + serverIDSession *concurrency.Session + isLostConnectionToPD sync2.AtomicInt32 // !0: true, 0: false. } // loadInfoSchema loads infoschema at startTS into handle, usedSchemaVersion is the currently used @@ -683,6 +692,8 @@ func NewDomain(store kv.Storage, ddlLease time.Duration, statsLease time.Duratio return do } +const serverIDForStandalone = 1 // serverID for standalone deployment. + // Init initializes a domain. func (do *Domain) Init(ddlLease time.Duration, sysFactory func(*Domain) (pools.Resource, error)) error { perfschema.Init() @@ -759,7 +770,24 @@ func (do *Domain) Init(ddlLease time.Duration, sysFactory func(*Domain) (pools.R if err != nil { return err } - do.info, err = infosync.GlobalInfoSyncerInit(ctx, do.ddl.GetID(), do.etcdClient, skipRegisterToDashboard) + + if do.etcdClient != nil { + err := do.acquireServerID(ctx) + if err != nil { + logutil.BgLogger().Error("acquire serverID failed", zap.Error(err)) + do.isLostConnectionToPD.Set(1) // will retry in `do.serverIDKeeper` + } else { + do.isLostConnectionToPD.Set(0) + } + + do.wg.Add(1) + go do.serverIDKeeper() + } else { + // set serverID for standalone deployment to enable 'KILL'. + atomic.StoreUint64(&do.serverID, serverIDForStandalone) + } + + do.info, err = infosync.GlobalInfoSyncerInit(ctx, do.ddl.GetID(), do.ServerID, do.etcdClient, skipRegisterToDashboard) if err != nil { return err } @@ -1279,6 +1307,242 @@ func (do *Domain) NotifyUpdatePrivilege(ctx sessionctx.Context) { } } +// ServerID gets serverID. +func (do *Domain) ServerID() uint64 { + return atomic.LoadUint64(&do.serverID) +} + +// IsLostConnectionToPD indicates lost connection to PD or not. +func (do *Domain) IsLostConnectionToPD() bool { + return do.isLostConnectionToPD.Get() != 0 +} + +const ( + serverIDEtcdPath = "/tidb/server_id" + refreshServerIDRetryCnt = 3 + acquireServerIDRetryInterval = 300 * time.Millisecond + acquireServerIDTimeout = 10 * time.Second + retrieveServerIDSessionTimeout = 10 * time.Second +) + +var ( + // serverIDTTL should be LONG ENOUGH to avoid barbarically killing an on-going long-run SQL. + serverIDTTL = 12 * time.Hour + // serverIDTimeToKeepAlive is the interval that we keep serverID TTL alive periodically. + serverIDTimeToKeepAlive = 5 * time.Minute + // serverIDTimeToCheckPDConnectionRestored is the interval that we check connection to PD restored (after broken) periodically. + serverIDTimeToCheckPDConnectionRestored = 10 * time.Second + // lostConnectionToPDTimeout is the duration that when TiDB cannot connect to PD excceeds this limit, + // we realize the connection to PD is lost utterly, and server ID acquired before should be released. + // Must be SHORTER than `serverIDTTL`. + lostConnectionToPDTimeout = 6 * time.Hour +) + +var ( + ldflagIsGlobalKillTest = "0" // 1:Yes, otherwise:No. + ldflagServerIDTTL = "10" // in seconds. + ldflagServerIDTimeToKeepAlive = "1" // in seconds. + ldflagServerIDTimeToCheckPDConnectionRestored = "1" // in seconds. + ldflagLostConnectionToPDTimeout = "5" // in seconds. +) + +func initByLDFlagsForGlobalKill() { + if ldflagIsGlobalKillTest == "1" { + var ( + i int + err error + ) + + if i, err = strconv.Atoi(ldflagServerIDTTL); err != nil { + panic("invalid ldflagServerIDTTL") + } + serverIDTTL = time.Duration(i) * time.Second + + if i, err = strconv.Atoi(ldflagServerIDTimeToKeepAlive); err != nil { + panic("invalid ldflagServerIDTimeToKeepAlive") + } + serverIDTimeToKeepAlive = time.Duration(i) * time.Second + + if i, err = strconv.Atoi(ldflagServerIDTimeToCheckPDConnectionRestored); err != nil { + panic("invalid ldflagServerIDTimeToCheckPDConnectionRestored") + } + serverIDTimeToCheckPDConnectionRestored = time.Duration(i) * time.Second + + if i, err = strconv.Atoi(ldflagLostConnectionToPDTimeout); err != nil { + panic("invalid ldflagLostConnectionToPDTimeout") + } + lostConnectionToPDTimeout = time.Duration(i) * time.Second + + logutil.BgLogger().Info("global_kill_test is enabled", zap.Duration("serverIDTTL", serverIDTTL), + zap.Duration("serverIDTimeToKeepAlive", serverIDTimeToKeepAlive), + zap.Duration("serverIDTimeToCheckPDConnectionRestored", serverIDTimeToCheckPDConnectionRestored), + zap.Duration("lostConnectionToPDTimeout", lostConnectionToPDTimeout)) + } +} + +func (do *Domain) retrieveServerIDSession(ctx context.Context) (*concurrency.Session, error) { + if do.serverIDSession != nil { + return do.serverIDSession, nil + } + + // `etcdClient.Grant` needs a shortterm timeout, to avoid blocking if connection to PD lost, + // while `etcdClient.KeepAlive` should be longterm. + // So we separately invoke `etcdClient.Grant` and `concurrency.NewSession` with leaseID. + childCtx, cancel := context.WithTimeout(ctx, retrieveServerIDSessionTimeout) + resp, err := do.etcdClient.Grant(childCtx, int64(serverIDTTL.Seconds())) + cancel() + if err != nil { + logutil.BgLogger().Error("retrieveServerIDSession.Grant fail", zap.Error(err)) + return nil, err + } + leaseID := resp.ID + + session, err := concurrency.NewSession(do.etcdClient, + concurrency.WithLease(leaseID), concurrency.WithContext(context.Background())) + if err != nil { + logutil.BgLogger().Error("retrieveServerIDSession.NewSession fail", zap.Error(err)) + return nil, err + } + do.serverIDSession = session + return session, nil +} + +func (do *Domain) acquireServerID(ctx context.Context) error { + atomic.StoreUint64(&do.serverID, 0) + + session, err := do.retrieveServerIDSession(ctx) + if err != nil { + return err + } + + for { + randServerID := rand.Int63n(int64(util.MaxServerID)) + 1 // get a random serverID: [1, MaxServerID] + key := fmt.Sprintf("%s/%v", serverIDEtcdPath, randServerID) + cmp := clientv3.Compare(clientv3.CreateRevision(key), "=", 0) + value := "0" + + childCtx, cancel := context.WithTimeout(ctx, acquireServerIDTimeout) + txn := do.etcdClient.Txn(childCtx) + t := txn.If(cmp) + resp, err := t.Then(clientv3.OpPut(key, value, clientv3.WithLease(session.Lease()))).Commit() + cancel() + if err != nil { + return err + } + if !resp.Succeeded { + logutil.BgLogger().Info("proposed random serverID exists, will randomize again", zap.Int64("randServerID", randServerID)) + time.Sleep(acquireServerIDRetryInterval) + continue + } + + atomic.StoreUint64(&do.serverID, uint64(randServerID)) + logutil.BgLogger().Info("acquireServerID", zap.Uint64("serverID", do.ServerID()), + zap.String("lease id", strconv.FormatInt(int64(session.Lease()), 16))) + return nil + } +} + +func (do *Domain) refreshServerIDTTL(ctx context.Context) error { + session, err := do.retrieveServerIDSession(ctx) + if err != nil { + return err + } + + key := fmt.Sprintf("%s/%v", serverIDEtcdPath, do.ServerID()) + value := "0" + err = ddlutil.PutKVToEtcd(ctx, do.etcdClient, refreshServerIDRetryCnt, key, value, clientv3.WithLease(session.Lease())) + if err != nil { + logutil.BgLogger().Error("refreshServerIDTTL fail", zap.Uint64("serverID", do.ServerID()), zap.Error(err)) + } else { + logutil.BgLogger().Info("refreshServerIDTTL succeed", zap.Uint64("serverID", do.ServerID()), + zap.String("lease id", strconv.FormatInt(int64(session.Lease()), 16))) + } + return err +} + +func (do *Domain) serverIDKeeper() { + defer func() { + do.wg.Done() + logutil.BgLogger().Info("serverIDKeeper exited.") + }() + defer util.Recover(metrics.LabelDomain, "serverIDKeeper", func() { + logutil.BgLogger().Info("recover serverIDKeeper.") + // should be called before `do.wg.Done()`, to ensure that Domain.Close() waits for the new `serverIDKeeper()` routine. + do.wg.Add(1) + go do.serverIDKeeper() + }, false) + + tickerKeepAlive := time.NewTicker(serverIDTimeToKeepAlive) + tickerCheckRestored := time.NewTicker(serverIDTimeToCheckPDConnectionRestored) + defer func() { + tickerKeepAlive.Stop() + tickerCheckRestored.Stop() + }() + + blocker := make(chan struct{}) // just used for blocking the sessionDone() when session is nil. + sessionDone := func() <-chan struct{} { + if do.serverIDSession == nil { + return blocker + } + return do.serverIDSession.Done() + } + + var lastSucceedTimestamp time.Time + + onConnectionToPDRestored := func() { + logutil.BgLogger().Info("restored connection to PD") + do.isLostConnectionToPD.Set(0) + lastSucceedTimestamp = time.Now() + + if err := do.info.StoreServerInfo(context.Background()); err != nil { + logutil.BgLogger().Error("StoreServerInfo failed", zap.Error(err)) + } + } + + onConnectionToPDLost := func() { + logutil.BgLogger().Warn("lost connection to PD") + do.isLostConnectionToPD.Set(1) + + // Kill all connections when lost connection to PD, + // to avoid the possibility that another TiDB instance acquires the same serverID and generates a same connection ID, + // which will lead to a wrong connection killed. + do.InfoSyncer().GetSessionManager().KillAllConnections() + } + + for { + select { + case <-tickerKeepAlive.C: + if !do.IsLostConnectionToPD() { + if err := do.refreshServerIDTTL(context.Background()); err == nil { + lastSucceedTimestamp = time.Now() + } else { + if lostConnectionToPDTimeout > 0 && time.Since(lastSucceedTimestamp) > lostConnectionToPDTimeout { + onConnectionToPDLost() + } + } + } + case <-tickerCheckRestored.C: + if do.IsLostConnectionToPD() { + if err := do.acquireServerID(context.Background()); err == nil { + onConnectionToPDRestored() + } + } + case <-sessionDone(): + // inform that TTL of `serverID` is expired. See https://godoc.org/github.com/coreos/etcd/clientv3/concurrency#Session.Done + // Should be in `IsLostConnectionToPD` state, as `lostConnectionToPDTimeout` is shorter than `serverIDTTL`. + // So just set `do.serverIDSession = nil` to restart `serverID` session in `retrieveServerIDSession()`. + logutil.BgLogger().Info("serverIDSession need restart") + do.serverIDSession = nil + case <-do.exit: + return + } + } +} + +func init() { + initByLDFlagsForGlobalKill() +} + var ( // ErrInfoSchemaExpired returns the error that information schema is out of date. ErrInfoSchemaExpired = dbterror.ClassDomain.NewStd(errno.ErrInfoSchemaExpired) diff --git a/domain/domain_test.go b/domain/domain_test.go index 099a045d339e5..4c0a23611ad6a 100644 --- a/domain/domain_test.go +++ b/domain/domain_test.go @@ -220,6 +220,16 @@ func TestInfo(t *testing.T) { t.Fatalf("err %v, infos %v", err, infos) } + // Test for acquireServerID & refreshServerIDTTL + err = dom.acquireServerID(goCtx) + if err != nil || dom.ServerID() == 0 { + t.Fatalf("dom.acquireServerID err %v, serverID %v", err, dom.ServerID()) + } + err = dom.refreshServerIDTTL(goCtx) + if err != nil { + t.Fatalf("dom.refreshServerIDTTL err %v", err) + } + err = failpoint.Disable("github.com/pingcap/tidb/domain/FailPlacement") if err != nil { t.Fatal(err) @@ -249,8 +259,14 @@ func (msm *mockSessionManager) GetProcessInfo(id uint64) (*util.ProcessInfo, boo func (msm *mockSessionManager) Kill(cid uint64, query bool) {} +func (msm *mockSessionManager) KillAllConnections() {} + func (msm *mockSessionManager) UpdateTLSConfig(cfg *tls.Config) {} +func (msm *mockSessionManager) ServerID() uint64 { + return 1 +} + func (*testSuite) TestT(c *C) { defer testleak.AfterTest(c)() store, err := mockstore.NewMockStore() @@ -476,3 +492,7 @@ func (*testSuite) TestErrorCode(c *C) { c.Assert(int(terror.ToSQLError(ErrInfoSchemaExpired).Code), Equals, errno.ErrInfoSchemaExpired) c.Assert(int(terror.ToSQLError(ErrInfoSchemaChanged).Code), Equals, errno.ErrInfoSchemaChanged) } + +func (*testSuite) TestServerIDConstant(c *C) { + c.Assert(lostConnectionToPDTimeout, Less, serverIDTTL) +} diff --git a/domain/infosync/info.go b/domain/infosync/info.go index ce15a829d28a3..05d62e89d4b00 100644 --- a/domain/infosync/info.go +++ b/domain/infosync/info.go @@ -111,6 +111,33 @@ type ServerInfo struct { BinlogStatus string `json:"binlog_status"` StartTimestamp int64 `json:"start_timestamp"` Labels map[string]string `json:"labels"` + // ServerID is a function, to always retrieve latest serverID from `Domain`, + // which will be changed on occasions such as connection to PD is restored after broken. + ServerIDGetter func() uint64 `json:"-"` + + // JSONServerID is `serverID` for json marshal/unmarshal ONLY. + JSONServerID uint64 `json:"server_id"` +} + +// Marshal `ServerInfo` into bytes. +func (info *ServerInfo) Marshal() ([]byte, error) { + info.JSONServerID = info.ServerIDGetter() + infoBuf, err := json.Marshal(info) + if err != nil { + return nil, errors.Trace(err) + } + return infoBuf, nil +} + +// Unmarshal `ServerInfo` from bytes. +func (info *ServerInfo) Unmarshal(v []byte) error { + if err := json.Unmarshal(v, info); err != nil { + return err + } + info.ServerIDGetter = func() uint64 { + return info.JSONServerID + } + return nil } // ServerVersionInfo is the server version and git_hash. @@ -137,10 +164,10 @@ func setGlobalInfoSyncer(is *InfoSyncer) { } // GlobalInfoSyncerInit return a new InfoSyncer. It is exported for testing. -func GlobalInfoSyncerInit(ctx context.Context, id string, etcdCli *clientv3.Client, skipRegisterToDashBoard bool) (*InfoSyncer, error) { +func GlobalInfoSyncerInit(ctx context.Context, id string, serverIDGetter func() uint64, etcdCli *clientv3.Client, skipRegisterToDashBoard bool) (*InfoSyncer, error) { is := &InfoSyncer{ etcdCli: etcdCli, - info: getServerInfo(id), + info: getServerInfo(id, serverIDGetter), serverInfoPath: fmt.Sprintf("%s/%s", ServerInformationPath, id), minStartTSPath: fmt.Sprintf("%s/%s", ServerMinStartTSPath, id), } @@ -169,6 +196,11 @@ func (is *InfoSyncer) SetSessionManager(manager util2.SessionManager) { is.manager = manager } +// GetSessionManager get the session manager. +func (is *InfoSyncer) GetSessionManager() util2.SessionManager { + return is.manager +} + // GetServerInfo gets self server static information. func GetServerInfo() (*ServerInfo, error) { is, err := getGlobalInfoSyncer() @@ -457,7 +489,7 @@ func PutRuleBundles(ctx context.Context, bundles []*placement.Bundle) error { func (is *InfoSyncer) getAllServerInfo(ctx context.Context) (map[string]*ServerInfo, error) { allInfo := make(map[string]*ServerInfo) if is.etcdCli == nil { - allInfo[is.info.ID] = getServerInfo(is.info.ID) + allInfo[is.info.ID] = getServerInfo(is.info.ID, is.info.ServerIDGetter) return allInfo, nil } allInfo, err := getInfo(ctx, is.etcdCli, ServerInformationPath, keyOpDefaultRetryCnt, keyOpDefaultTimeout, clientv3.WithPrefix()) @@ -467,12 +499,12 @@ func (is *InfoSyncer) getAllServerInfo(ctx context.Context) (map[string]*ServerI return allInfo, nil } -// storeServerInfo stores self server static information to etcd. -func (is *InfoSyncer) storeServerInfo(ctx context.Context) error { +// StoreServerInfo stores self server static information to etcd. +func (is *InfoSyncer) StoreServerInfo(ctx context.Context) error { if is.etcdCli == nil { return nil } - infoBuf, err := json.Marshal(is.info) + infoBuf, err := is.info.Marshal() if err != nil { return errors.Trace(err) } @@ -636,10 +668,10 @@ func (is *InfoSyncer) newSessionAndStoreServerInfo(ctx context.Context, retryCnt is.session = session binloginfo.RegisterStatusListener(func(status binloginfo.BinlogStatus) error { is.info.BinlogStatus = status.String() - err := is.storeServerInfo(ctx) + err := is.StoreServerInfo(ctx) return errors.Trace(err) }) - return is.storeServerInfo(ctx) + return is.StoreServerInfo(ctx) } // newTopologySessionAndStoreServerInfo creates a new etcd session and stores server info to etcd. @@ -783,7 +815,7 @@ func getInfo(ctx context.Context, etcdCli *clientv3.Client, key string, retryCnt info := &ServerInfo{ BinlogStatus: binloginfo.BinlogStatusUnknown.String(), } - err = json.Unmarshal(kv.Value, info) + err = info.Unmarshal(kv.Value) if err != nil { logutil.BgLogger().Info("get key failed", zap.String("key", string(kv.Key)), zap.ByteString("value", kv.Value), zap.Error(err)) @@ -797,7 +829,7 @@ func getInfo(ctx context.Context, etcdCli *clientv3.Client, key string, retryCnt } // getServerInfo gets self tidb server information. -func getServerInfo(id string) *ServerInfo { +func getServerInfo(id string, serverIDGetter func() uint64) *ServerInfo { cfg := config.GetGlobalConfig() info := &ServerInfo{ ID: id, @@ -808,6 +840,7 @@ func getServerInfo(id string) *ServerInfo { BinlogStatus: binloginfo.GetStatus().String(), StartTimestamp: time.Now().Unix(), Labels: cfg.Labels, + ServerIDGetter: serverIDGetter, } info.Version = mysql.ServerVersion info.GitHash = versioninfo.TiDBGitHash diff --git a/domain/infosync/info_test.go b/domain/infosync/info_test.go index a3a67564b8ac5..315244b513989 100644 --- a/domain/infosync/info_test.go +++ b/domain/infosync/info_test.go @@ -90,7 +90,7 @@ func TestTopology(t *testing.T) { failpoint.Enable("github.com/pingcap/tidb/domain/infosync/mockServerInfo", "return(true)") defer failpoint.Disable("github.com/pingcap/tidb/domain/infosync/mockServerInfo") - info, err := GlobalInfoSyncerInit(ctx, currentID, cli, false) + info, err := GlobalInfoSyncerInit(ctx, currentID, func() uint64 { return 1 }, cli, false) if err != nil { t.Fatal(err) } diff --git a/executor/builder.go b/executor/builder.go index fe6fb28679beb..97fba24aa907d 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -162,6 +162,8 @@ func (b *executorBuilder) build(p plannercore.Plan) Executor { return b.buildShow(v) case *plannercore.Simple: return b.buildSimple(v) + case *plannercore.PhysicalSimpleWrapper: + return b.buildSimple(&v.Inner) case *plannercore.Set: return b.buildSet(v) case *plannercore.SetConfig: @@ -701,6 +703,7 @@ func (b *executorBuilder) buildSimple(v *plannercore.Simple) Executor { e := &SimpleExec{ baseExecutor: base, Statement: v.Statement, + IsFromRemote: v.IsFromRemote, is: b.is, } return e diff --git a/executor/executor_pkg_test.go b/executor/executor_pkg_test.go index a95f12b69788c..780e2df38c74e 100644 --- a/executor/executor_pkg_test.go +++ b/executor/executor_pkg_test.go @@ -52,7 +52,8 @@ type testExecSerialSuite struct { // mockSessionManager is a mocked session manager which is used for test. type mockSessionManager struct { - PS []*util.ProcessInfo + PS []*util.ProcessInfo + serverID uint64 } // ShowProcessList implements the SessionManager.ShowProcessList interface. @@ -75,12 +76,22 @@ func (msm *mockSessionManager) GetProcessInfo(id uint64) (*util.ProcessInfo, boo // Kill implements the SessionManager.Kill interface. func (msm *mockSessionManager) Kill(cid uint64, query bool) { +} +func (msm *mockSessionManager) KillAllConnections() { } func (msm *mockSessionManager) UpdateTLSConfig(cfg *tls.Config) { } +func (msm *mockSessionManager) ServerID() uint64 { + return msm.serverID +} + +func (msm *mockSessionManager) SetServerID(serverID uint64) { + msm.serverID = serverID +} + func (s *testExecSuite) TestShowProcessList(c *C) { // Compose schema. names := []string{"Id", "User", "Host", "db", "Command", "Time", "State", "Info"} diff --git a/executor/explainfor_test.go b/executor/explainfor_test.go index 8ad7a1de43e46..00de940ed6b8c 100644 --- a/executor/explainfor_test.go +++ b/executor/explainfor_test.go @@ -56,12 +56,18 @@ func (msm *mockSessionManager1) GetProcessInfo(id uint64) (*util.ProcessInfo, bo // Kill implements the SessionManager.Kill interface. func (msm *mockSessionManager1) Kill(cid uint64, query bool) { +} +func (msm *mockSessionManager1) KillAllConnections() { } func (msm *mockSessionManager1) UpdateTLSConfig(cfg *tls.Config) { } +func (msm *mockSessionManager1) ServerID() uint64 { + return 1 +} + func (s *testSerialSuite) TestExplainFor(c *C) { tkRoot := testkit.NewTestKitWithInit(c, s.store) tkUser := testkit.NewTestKitWithInit(c, s.store) diff --git a/executor/infoschema_reader.go b/executor/infoschema_reader.go index 736d2a9300be3..1ee6c713b2ed1 100644 --- a/executor/infoschema_reader.go +++ b/executor/infoschema_reader.go @@ -1090,6 +1090,7 @@ func (e *memtableRetriever) dataForTiDBClusterInfo(ctx sessionctx.Context) error server.GitHash, startTimeStr, upTimeStr, + server.ServerID, ) rows = append(rows, row) } diff --git a/executor/infoschema_reader_test.go b/executor/infoschema_reader_test.go index 453d2d5189a7b..53ae0cc919c61 100644 --- a/executor/infoschema_reader_test.go +++ b/executor/infoschema_reader_test.go @@ -112,38 +112,38 @@ func (s *inspectionSuite) TearDownSuite(c *C) { func (s *inspectionSuite) TestInspectionTables(c *C) { tk := testkit.NewTestKit(c, s.store) instances := []string{ - "pd,127.0.0.1:11080,127.0.0.1:10080,mock-version,mock-githash", - "tidb,127.0.0.1:11080,127.0.0.1:10080,mock-version,mock-githash", - "tikv,127.0.0.1:11080,127.0.0.1:10080,mock-version,mock-githash", + "pd,127.0.0.1:11080,127.0.0.1:10080,mock-version,mock-githash,0", + "tidb,127.0.0.1:11080,127.0.0.1:10080,mock-version,mock-githash,1001", + "tikv,127.0.0.1:11080,127.0.0.1:10080,mock-version,mock-githash,0", } fpName := "github.com/pingcap/tidb/infoschema/mockClusterInfo" fpExpr := `return("` + strings.Join(instances, ";") + `")` c.Assert(failpoint.Enable(fpName, fpExpr), IsNil) defer func() { c.Assert(failpoint.Disable(fpName), IsNil) }() - tk.MustQuery("select type, instance, status_address, version, git_hash from information_schema.cluster_info").Check(testkit.Rows( - "pd 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash", - "tidb 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash", - "tikv 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash", + tk.MustQuery("select type, instance, status_address, version, git_hash, server_id from information_schema.cluster_info").Check(testkit.Rows( + "pd 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash 0", + "tidb 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash 1001", + "tikv 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash 0", )) // enable inspection mode inspectionTableCache := map[string]variable.TableSnapshot{} tk.Se.GetSessionVars().InspectionTableCache = inspectionTableCache - tk.MustQuery("select type, instance, status_address, version, git_hash from information_schema.cluster_info").Check(testkit.Rows( - "pd 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash", - "tidb 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash", - "tikv 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash", + tk.MustQuery("select type, instance, status_address, version, git_hash, server_id from information_schema.cluster_info").Check(testkit.Rows( + "pd 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash 0", + "tidb 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash 1001", + "tikv 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash 0", )) c.Assert(inspectionTableCache["cluster_info"].Err, IsNil) c.Assert(len(inspectionTableCache["cluster_info"].Rows), DeepEquals, 3) // check whether is obtain data from cache at the next time inspectionTableCache["cluster_info"].Rows[0][0].SetString("modified-pd", mysql.DefaultCollationName) - tk.MustQuery("select type, instance, status_address, version, git_hash from information_schema.cluster_info").Check(testkit.Rows( - "modified-pd 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash", - "tidb 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash", - "tikv 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash", + tk.MustQuery("select type, instance, status_address, version, git_hash, server_id from information_schema.cluster_info").Check(testkit.Rows( + "modified-pd 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash 0", + "tidb 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash 1001", + "tikv 127.0.0.1:11080 127.0.0.1:10080 mock-version mock-githash 0", )) tk.Se.GetSessionVars().InspectionTableCache = nil } @@ -588,7 +588,10 @@ func (s *testInfoschemaClusterTableSuite) setUpRPCService(c *C, addr string) (*g lis, err := net.Listen("tcp", addr) c.Assert(err, IsNil) // Fix issue 9836 - sm := &mockSessionManager{make(map[uint64]*util.ProcessInfo, 1)} + sm := &mockSessionManager{ + processInfoMap: make(map[uint64]*util.ProcessInfo, 1), + serverID: 1, + } sm.processInfoMap[1] = &util.ProcessInfo{ ID: 1, User: "root", @@ -693,6 +696,7 @@ func (s *testInfoschemaClusterTableSuite) TearDownSuite(c *C) { type mockSessionManager struct { processInfoMap map[uint64]*util.ProcessInfo + serverID uint64 } func (sm *mockSessionManager) ShowProcessList() map[uint64]*util.ProcessInfo { @@ -706,8 +710,18 @@ func (sm *mockSessionManager) GetProcessInfo(id uint64) (*util.ProcessInfo, bool func (sm *mockSessionManager) Kill(connectionID uint64, query bool) {} +func (sm *mockSessionManager) KillAllConnections() {} + func (sm *mockSessionManager) UpdateTLSConfig(cfg *tls.Config) {} +func (sm *mockSessionManager) ServerID() uint64 { + return sm.serverID +} + +func (sm *mockSessionManager) SetServerID(serverID uint64) { + sm.serverID = serverID +} + type mockStore struct { tikv.Storage host string @@ -745,13 +759,18 @@ func (s *testInfoschemaClusterTableSuite) TestTiDBClusterInfo(c *C) { // information_schema.cluster_config instances := []string{ - "pd,127.0.0.1:11080," + mockAddr + ",mock-version,mock-githash", - "tidb,127.0.0.1:11080," + mockAddr + ",mock-version,mock-githash", - "tikv,127.0.0.1:11080," + mockAddr + ",mock-version,mock-githash", + "pd,127.0.0.1:11080," + mockAddr + ",mock-version,mock-githash,0", + "tidb,127.0.0.1:11080," + mockAddr + ",mock-version,mock-githash,1001", + "tikv,127.0.0.1:11080," + mockAddr + ",mock-version,mock-githash,0", } fpExpr := `return("` + strings.Join(instances, ";") + `")` c.Assert(failpoint.Enable("github.com/pingcap/tidb/infoschema/mockClusterInfo", fpExpr), IsNil) defer func() { c.Assert(failpoint.Disable("github.com/pingcap/tidb/infoschema/mockClusterInfo"), IsNil) }() + tk.MustQuery("select type, instance, status_address, version, git_hash, server_id from information_schema.cluster_info").Check(testkit.Rows( + row("pd", "127.0.0.1:11080", mockAddr, "mock-version", "mock-githash", "0"), + row("tidb", "127.0.0.1:11080", mockAddr, "mock-version", "mock-githash", "1001"), + row("tikv", "127.0.0.1:11080", mockAddr, "mock-version", "mock-githash", "0"), + )) tk.MustQuery("select * from information_schema.cluster_config").Check(testkit.Rows( "pd 127.0.0.1:11080 key1 value1", "pd 127.0.0.1:11080 key2.nest1 n-value1", diff --git a/executor/prepared_test.go b/executor/prepared_test.go index 8b8c7e7cba60c..f3b461d287629 100644 --- a/executor/prepared_test.go +++ b/executor/prepared_test.go @@ -132,7 +132,11 @@ func (sm *mockSessionManager2) Kill(connectionID uint64, query bool) { sm.killed = true atomic.StoreUint32(&sm.se.GetSessionVars().Killed, 1) } +func (sm *mockSessionManager2) KillAllConnections() {} func (sm *mockSessionManager2) UpdateTLSConfig(cfg *tls.Config) {} +func (sm *mockSessionManager2) ServerID() uint64 { + return 1 +} var _ = SerialSuites(&testSuite12{&baseTestSuite{}}) diff --git a/executor/seqtest/prepared_test.go b/executor/seqtest/prepared_test.go index 65d23c8c27304..7cdeed02a9afe 100644 --- a/executor/seqtest/prepared_test.go +++ b/executor/seqtest/prepared_test.go @@ -751,6 +751,12 @@ func (msm *mockSessionManager1) GetProcessInfo(id uint64) (*util.ProcessInfo, bo // Kill implements the SessionManager.Kill interface. func (msm *mockSessionManager1) Kill(cid uint64, query bool) {} +func (msm *mockSessionManager1) KillAllConnections() {} + +func (msm *mockSessionManager1) ServerID() uint64 { + return 1 +} + func (msm *mockSessionManager1) UpdateTLSConfig(cfg *tls.Config) {} func (s *seqTestSuite) TestPreparedIssue17419(c *C) { diff --git a/executor/simple.go b/executor/simple.go index 102519fe27439..6113d0f4c262b 100644 --- a/executor/simple.go +++ b/executor/simple.go @@ -27,6 +27,7 @@ import ( "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/config" + "github.com/pingcap/tidb/distsql" "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/kv" @@ -43,6 +44,8 @@ import ( "github.com/pingcap/tidb/util/hack" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/sqlexec" + "github.com/pingcap/tidb/util/timeutil" + "github.com/pingcap/tipb/go-tipb" "go.uber.org/zap" ) @@ -60,8 +63,12 @@ type SimpleExec struct { baseExecutor Statement ast.StmtNode - done bool - is infoschema.InfoSchema + // IsFromRemote indicates whether the statement IS FROM REMOTE TiDB instance in cluster, + // and executing in coprocessor. + // Used for `global kill`. See https://github.com/pingcap/tidb/blob/master/docs/design/2020-06-01-global-kill.md. + IsFromRemote bool + done bool + is infoschema.InfoSchema } func (e *baseExecutor) getSysSession() (sessionctx.Context, error) { @@ -127,7 +134,7 @@ func (e *SimpleExec) Next(ctx context.Context, req *chunk.Chunk) (err error) { case *ast.SetPwdStmt: err = e.executeSetPwd(x) case *ast.KillStmt: - err = e.executeKillStmt(x) + err = e.executeKillStmt(ctx, x) case *ast.BinlogStmt: // We just ignore it. return nil @@ -1073,21 +1080,89 @@ func (e *SimpleExec) executeSetPwd(s *ast.SetPwdStmt) error { return err } -func (e *SimpleExec) executeKillStmt(s *ast.KillStmt) error { - conf := config.GetGlobalConfig() - if s.TiDBExtension || conf.CompatibleKillQuery { - sm := e.ctx.GetSessionManager() - if sm == nil { - return nil - } +func (e *SimpleExec) executeKillStmt(ctx context.Context, s *ast.KillStmt) error { + sm := e.ctx.GetSessionManager() + if sm == nil { + return nil + } + + if e.IsFromRemote { + logutil.BgLogger().Info("Killing connection in current instance redirected from remote TiDB", zap.Uint64("connID", s.ConnectionID), zap.Bool("query", s.Query), + zap.String("sourceAddr", e.ctx.GetSessionVars().SourceAddr.IP.String())) sm.Kill(s.ConnectionID, s.Query) - } else { - err := errors.New("Invalid operation. Please use 'KILL TIDB [CONNECTION | QUERY] connectionID' instead") + return nil + } + + connID, isTruncated, err := util.ParseGlobalConnID(s.ConnectionID) + if err != nil { + err1 := errors.New("Parse ConnectionID failed: " + err.Error()) + e.ctx.GetSessionVars().StmtCtx.AppendWarning(err1) + return nil + } + if isTruncated { + message := "Kill failed: Received a 32bits truncated ConnectionID, expect 64bits. Please execute 'KILL [CONNECTION | QUERY] ConnectionID' to send a Kill without truncating ConnectionID." + logutil.BgLogger().Warn(message, zap.Uint64("connID", s.ConnectionID)) + // Notice that this warning cannot be seen if KILL is triggered by "CTRL-C" of mysql client, + // as the KILL is sent by a new connection. + err := errors.New(message) e.ctx.GetSessionVars().StmtCtx.AppendWarning(err) + return nil + } + + if connID.ServerID != sm.ServerID() { + if err := killRemoteConn(ctx, e.ctx, &connID, s.Query); err != nil { + err1 := errors.New("KILL remote connection failed: " + err.Error()) + e.ctx.GetSessionVars().StmtCtx.AppendWarning(err1) + } + } else { + sm.Kill(s.ConnectionID, s.Query) } + return nil } +func killRemoteConn(ctx context.Context, sctx sessionctx.Context, connID *util.GlobalConnID, query bool) error { + if connID.ServerID == 0 { + return errors.New("Unexpected ZERO ServerID. Please file a bug to the TiDB Team") + } + + killExec := &tipb.Executor{ + Tp: tipb.ExecType_TypeKill, + Kill: &tipb.Kill{ConnID: connID.ID(), Query: query}, + } + + dagReq := &tipb.DAGRequest{} + dagReq.TimeZoneName, dagReq.TimeZoneOffset = timeutil.Zone(sctx.GetSessionVars().Location()) + sc := sctx.GetSessionVars().StmtCtx + if sc.RuntimeStatsColl != nil { + collExec := true + dagReq.CollectExecutionSummaries = &collExec + } + dagReq.Flags = sc.PushDownFlags() + dagReq.Executors = []*tipb.Executor{killExec} + + var builder distsql.RequestBuilder + kvReq, err := builder. + SetDAGRequest(dagReq). + SetFromSessionVars(sctx.GetSessionVars()). + SetStoreType(kv.TiDB). + SetTiDBServerID(connID.ServerID). + Build() + if err != nil { + return err + } + + resp := sctx.GetClient().Send(ctx, kvReq, sctx.GetSessionVars().KVVars, sctx.GetSessionVars().StmtCtx.MemTracker) + if resp == nil { + err := errors.New("client returns nil response") + return err + } + + logutil.BgLogger().Info("Killed remote connection", zap.Uint64("serverID", connID.ServerID), + zap.Uint64("connID", connID.ID()), zap.Bool("query", query)) + return err +} + func (e *SimpleExec) executeFlush(s *ast.FlushStmt) error { switch s.Tp { case ast.FlushTables: diff --git a/executor/simple_test.go b/executor/simple_test.go index fca62dedef2d7..6f14a3e32b2c3 100644 --- a/executor/simple_test.go +++ b/executor/simple_test.go @@ -15,6 +15,7 @@ package executor_test import ( "context" + "strconv" . "github.com/pingcap/check" "github.com/pingcap/errors" @@ -29,6 +30,7 @@ import ( "github.com/pingcap/tidb/session" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/store/mockstore" + "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/testkit" "github.com/pingcap/tidb/util/testutil" ) @@ -502,10 +504,34 @@ func (s *testSuite3) TestSetPwd(c *C) { func (s *testSuite3) TestKillStmt(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") - tk.MustExec("kill 1") + sm := &mockSessionManager{ + serverID: 0, + } + tk.Se.SetSessionManager(sm) + // ZERO serverID, treated as truncated. + tk.MustExec("kill 1") result := tk.MustQuery("show warnings") - result.Check(testkit.Rows("Warning 1105 Invalid operation. Please use 'KILL TIDB [CONNECTION | QUERY] connectionID' instead")) + result.Check(testkit.Rows("Warning 1105 Kill failed: Received a 32bits truncated ConnectionID, expect 64bits. Please execute 'KILL [CONNECTION | QUERY] ConnectionID' to send a Kill without truncating ConnectionID.")) + + // truncated + sm.SetServerID(1) + tk.MustExec("kill 101") + result = tk.MustQuery("show warnings") + result.Check(testkit.Rows("Warning 1105 Kill failed: Received a 32bits truncated ConnectionID, expect 64bits. Please execute 'KILL [CONNECTION | QUERY] ConnectionID' to send a Kill without truncating ConnectionID.")) + + // excceed int64 + tk.MustExec("kill 9223372036854775808") // 9223372036854775808 == 2^63 + result = tk.MustQuery("show warnings") + result.Check(testkit.Rows("Warning 1105 Parse ConnectionID failed: Unexpected connectionID excceeds int64")) + + // local kill + connID := util.GlobalConnID{Is64bits: true, ServerID: 1, LocalConnID: 101} + tk.MustExec("kill " + strconv.FormatUint(connID.ID(), 10)) + result = tk.MustQuery("show warnings") + result.Check(testkit.Rows()) + + // remote kill is tested in `tests/globalkilltest` } func (s *testSuite3) TestFlushPrivileges(c *C) { diff --git a/infoschema/tables.go b/infoschema/tables.go index 64fe4496ef418..b9814e8d05361 100644 --- a/infoschema/tables.go +++ b/infoschema/tables.go @@ -970,6 +970,7 @@ var tableClusterInfoCols = []columnInfo{ {name: "GIT_HASH", tp: mysql.TypeVarchar, size: 64}, {name: "START_TIME", tp: mysql.TypeVarchar, size: 32}, {name: "UPTIME", tp: mysql.TypeVarchar, size: 32}, + {name: "SERVER_ID", tp: mysql.TypeLonglong, size: 21}, } var tableTableTiFlashReplicaCols = []columnInfo{ @@ -1306,6 +1307,7 @@ type ServerInfo struct { Version string GitHash string StartTimestamp int64 + ServerID uint64 } func (s *ServerInfo) isLoopBackOrUnspecifiedAddr(addr string) bool { @@ -1345,12 +1347,17 @@ func GetClusterServerInfo(ctx sessionctx.Context) ([]ServerInfo, error) { var servers []ServerInfo for _, server := range strings.Split(s, ";") { parts := strings.Split(server, ",") + serverID, err := strconv.ParseUint(parts[5], 10, 64) + if err != nil { + panic("convert parts[5] to uint64 failed") + } servers = append(servers, ServerInfo{ ServerType: parts[0], Address: parts[1], StatusAddr: parts[2], Version: parts[3], GitHash: parts[4], + ServerID: serverID, }) } failpoint.Return(servers, nil) @@ -1392,6 +1399,7 @@ func GetTiDBServerInfo(ctx sessionctx.Context) ([]ServerInfo, error) { Version: FormatVersion(node.Version, isDefaultVersion), GitHash: node.GitHash, StartTimestamp: node.StartTimestamp, + ServerID: node.ServerIDGetter(), }) } return servers, nil diff --git a/infoschema/tables_test.go b/infoschema/tables_test.go index e4f6fbb596a71..53e7dcd71855f 100644 --- a/infoschema/tables_test.go +++ b/infoschema/tables_test.go @@ -444,8 +444,14 @@ func (sm *mockSessionManager) GetProcessInfo(id uint64) (*util.ProcessInfo, bool func (sm *mockSessionManager) Kill(connectionID uint64, query bool) {} +func (sm *mockSessionManager) KillAllConnections() {} + func (sm *mockSessionManager) UpdateTLSConfig(cfg *tls.Config) {} +func (sm *mockSessionManager) ServerID() uint64 { + return 1 +} + func (s *testTableSuite) TestSomeTables(c *C) { se, err := session.CreateSession4Test(s.store) c.Assert(err, IsNil) @@ -691,9 +697,9 @@ func (s *testTableSuite) TestReloadDropDatabase(c *C) { func (s *testClusterTableSuite) TestForClusterServerInfo(c *C) { tk := testkit.NewTestKit(c, s.store) instances := []string{ - strings.Join([]string{"tidb", s.listenAddr, s.listenAddr, "mock-version,mock-githash"}, ","), - strings.Join([]string{"pd", s.listenAddr, s.listenAddr, "mock-version,mock-githash"}, ","), - strings.Join([]string{"tikv", s.listenAddr, s.listenAddr, "mock-version,mock-githash"}, ","), + strings.Join([]string{"tidb", s.listenAddr, s.listenAddr, "mock-version,mock-githash,1001"}, ","), + strings.Join([]string{"pd", s.listenAddr, s.listenAddr, "mock-version,mock-githash,0"}, ","), + strings.Join([]string{"tikv", s.listenAddr, s.listenAddr, "mock-version,mock-githash,0"}, ","), } fpExpr := `return("` + strings.Join(instances, ";") + `")` diff --git a/kv/kv.go b/kv/kv.go index dca0efe69ea37..5b4ce45fc3c79 100644 --- a/kv/kv.go +++ b/kv/kv.go @@ -404,6 +404,8 @@ type Request struct { BatchCop bool // TaskID is an unique ID for an execution of a statement TaskID uint64 + // TiDBServerID is the specified TiDB serverID to execute request. `0` means all TiDB instances. + TiDBServerID uint64 } // MPPTask stands for a min execution unit for mpp. diff --git a/planner/core/common_plans.go b/planner/core/common_plans.go index a4dcc7296bcdc..a013cec339cda 100644 --- a/planner/core/common_plans.go +++ b/planner/core/common_plans.go @@ -649,6 +649,18 @@ type Simple struct { baseSchemaProducer Statement ast.StmtNode + + // IsFromRemote indicates whether the statement IS FROM REMOTE TiDB instance in cluster, + // and executing in co-processor. + // Used for `global kill`. See https://github.com/pingcap/tidb/blob/master/docs/design/2020-06-01-global-kill.md. + IsFromRemote bool +} + +// PhysicalSimpleWrapper is a wrapper of `Simple` to implement physical plan interface. +// Used for simple statements executing in coprocessor. +type PhysicalSimpleWrapper struct { + basePhysicalPlan + Inner Simple } // InsertGeneratedColumns is for completing generated columns in Insert. diff --git a/planner/core/pb_to_plan.go b/planner/core/pb_to_plan.go index 5ab1e76062b6f..6556edd0fb85e 100644 --- a/planner/core/pb_to_plan.go +++ b/planner/core/pb_to_plan.go @@ -17,6 +17,7 @@ import ( "strings" "github.com/pingcap/errors" + "github.com/pingcap/parser/ast" "github.com/pingcap/parser/model" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/expression/aggregation" @@ -68,6 +69,8 @@ func (b *PBPlanBuilder) pbToPhysicalPlan(e *tipb.Executor) (p PhysicalPlan, err p, err = b.pbToAgg(e, false) case tipb.ExecType_TypeStreamAgg: p, err = b.pbToAgg(e, true) + case tipb.ExecType_TypeKill: + p, err = b.pbToKill(e) default: // TODO: Support other types. err = errors.Errorf("this exec type %v doesn't support yet.", e.GetTp()) @@ -230,6 +233,15 @@ func (b *PBPlanBuilder) convertColumnInfo(tblInfo *model.TableInfo, pbColumns [] return columns, nil } +func (b *PBPlanBuilder) pbToKill(e *tipb.Executor) (PhysicalPlan, error) { + node := &ast.KillStmt{ + ConnectionID: e.Kill.ConnID, + Query: e.Kill.Query, + } + simple := Simple{Statement: node, IsFromRemote: true} + return &PhysicalSimpleWrapper{Inner: simple}, nil +} + func (b *PBPlanBuilder) predicatePushDown(p PhysicalPlan, predicates []expression.Expression) ([]expression.Expression, PhysicalPlan) { if p == nil { return predicates, p diff --git a/server/conn.go b/server/conn.go index ed01a165e21f4..a71817e797267 100644 --- a/server/conn.go +++ b/server/conn.go @@ -145,7 +145,7 @@ var ( func newClientConn(s *Server) *clientConn { return &clientConn{ server: s, - connectionID: atomic.AddUint32(&baseConnID, 1), + connectionID: s.globalConnID.NextID(), collation: mysql.DefaultCollationID, alloc: arena.NewAllocator(32 * 1024), status: connStatusDispatching, @@ -160,7 +160,7 @@ type clientConn struct { tlsConn *tls.Conn // TLS connection, nil if not TLS. server *Server // a reference of server instance. capability uint32 // client capability affects the way server handles client request. - connectionID uint32 // atomically allocated by a global variable, unique in process scope. + connectionID uint64 // atomically allocated by a global variable, unique in process scope. user string // user of the client. dbname string // default database name. salt []byte // random bytes used for authentication. @@ -663,7 +663,7 @@ func (cc *clientConn) openSessionAndDoAuth(authData []byte) error { tlsStatePtr = &tlsState } var err error - cc.ctx, err = cc.server.driver.OpenCtx(uint64(cc.connectionID), cc.capability, cc.collation, cc.dbname, tlsStatePtr) + cc.ctx, err = cc.server.driver.OpenCtx(cc.connectionID, cc.capability, cc.collation, cc.dbname, tlsStatePtr) if err != nil { return err } @@ -1892,7 +1892,7 @@ func (cc *clientConn) handleResetConnection(ctx context.Context) error { tlsState := cc.tlsConn.ConnectionState() tlsStatePtr = &tlsState } - cc.ctx, err = cc.server.driver.OpenCtx(uint64(cc.connectionID), cc.capability, cc.collation, cc.dbname, tlsStatePtr) + cc.ctx, err = cc.server.driver.OpenCtx(cc.connectionID, cc.capability, cc.collation, cc.dbname, tlsStatePtr) if err != nil { return err } diff --git a/server/conn_test.go b/server/conn_test.go index 8f94bda3c746d..35c92986be0e1 100644 --- a/server/conn_test.go +++ b/server/conn_test.go @@ -564,14 +564,14 @@ func (ts *ConnTestSuite) TestConnExecutionTimeout(c *C) { se, err := session.CreateSession4Test(ts.store) c.Assert(err, IsNil) - connID := 1 - se.SetConnectionID(uint64(connID)) + connID := uint64(1) + se.SetConnectionID(connID) tc := &TiDBContext{ Session: se, stmts: make(map[int]*TiDBStatement), } cc := &clientConn{ - connectionID: uint32(connID), + connectionID: connID, server: &Server{ capability: defaultCapability, }, @@ -579,8 +579,8 @@ func (ts *ConnTestSuite) TestConnExecutionTimeout(c *C) { alloc: arena.NewAllocator(32 * 1024), } srv := &Server{ - clients: map[uint32]*clientConn{ - uint32(connID): cc, + clients: map[uint64]*clientConn{ + connID: cc, }, } handle := ts.dom.ExpensiveQueryHandle().SetSessionManager(srv) diff --git a/server/rpc_server.go b/server/rpc_server.go index fcc9c9df8cd7b..b94fb5c0c0637 100644 --- a/server/rpc_server.go +++ b/server/rpc_server.go @@ -16,6 +16,7 @@ package server import ( "context" "fmt" + "net" "github.com/pingcap/kvproto/pkg/coprocessor" "github.com/pingcap/kvproto/pkg/diagnosticspb" @@ -35,6 +36,7 @@ import ( "github.com/pingcap/tidb/util/memory" "go.uber.org/zap" "google.golang.org/grpc" + "google.golang.org/grpc/peer" ) // NewRPCServer creates a new rpc server. @@ -185,6 +187,10 @@ func (s *rpcServer) handleCopRequest(ctx context.Context, req *coprocessor.Reque } defer se.Close() + if p, ok := peer.FromContext(ctx); ok { + se.GetSessionVars().SourceAddr = *p.Addr.(*net.TCPAddr) + } + h := executor.NewCoprocessorDAGHandler(se) return h.HandleRequest(ctx, req) } diff --git a/server/server.go b/server/server.go index a448ef91102df..72fcda744b5db 100644 --- a/server/server.go +++ b/server/server.go @@ -118,9 +118,10 @@ type Server struct { socket net.Listener rwlock sync.RWMutex concurrentLimiter *TokenLimiter - clients map[uint32]*clientConn + clients map[uint64]*clientConn capability uint32 dom *domain.Domain + globalConnID util.GlobalConnID statusAddr string statusListener net.Listener @@ -153,6 +154,14 @@ func (s *Server) SetDomain(dom *domain.Domain) { s.dom = dom } +// InitGlobalConnID initialize global connection id. +func (s *Server) InitGlobalConnID(serverIDGetter func() uint64) { + s.globalConnID = util.GlobalConnID{ + ServerIDGetter: serverIDGetter, + Is64bits: true, + } +} + // newConn creates a new *clientConn from a net.Conn. // It allocates a connection ID and random salt data for authentication. func (s *Server) newConn(conn net.Conn) *clientConn { @@ -212,7 +221,8 @@ func NewServer(cfg *config.Config, driver IDriver) (*Server, error) { cfg: cfg, driver: driver, concurrentLimiter: NewTokenLimiter(cfg.TokenLimit), - clients: make(map[uint32]*clientConn), + clients: make(map[uint64]*clientConn), + globalConnID: util.GlobalConnID{ServerID: 0, Is64bits: true}, } tlsConfig, err := util.LoadTLSCertificates(s.cfg.Security.SSLCA, s.cfg.Security.SSLKey, s.cfg.Security.SSLCert) @@ -338,6 +348,12 @@ func (s *Server) Run() error { continue } + if s.dom != nil && s.dom.IsLostConnectionToPD() { + logutil.BgLogger().Warn("reject connection due to lost connection to PD") + terror.Log(clientConn.Close()) + continue + } + go s.onConn(clientConn) } } @@ -501,7 +517,7 @@ func (s *Server) ShowProcessList() map[uint64]*util.ProcessInfo { // GetProcessInfo implements the SessionManager interface. func (s *Server) GetProcessInfo(id uint64) (*util.ProcessInfo, bool) { s.rwlock.RLock() - conn, ok := s.clients[uint32(id)] + conn, ok := s.clients[id] s.rwlock.RUnlock() if !ok || atomic.LoadInt32(&conn.status) == connStatusWaitShutdown { return &util.ProcessInfo{}, false @@ -516,7 +532,7 @@ func (s *Server) Kill(connectionID uint64, query bool) { s.rwlock.RLock() defer s.rwlock.RUnlock() - conn, ok := s.clients[uint32(connectionID)] + conn, ok := s.clients[connectionID] if !ok { return } @@ -628,6 +644,11 @@ func (s *Server) kickIdleConnection() { } } +// ServerID implements SessionManager interface. +func (s *Server) ServerID() uint64 { + return s.dom.ServerID() +} + // setSysTimeZoneOnce is used for parallel run tests. When several servers are running, // only the first will actually do setSystemTimeZoneVariable, thus we can avoid data race. var setSysTimeZoneOnce = &sync.Once{} diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 2d47433dc7cc7..cd2d4e64c4095 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -20,6 +20,7 @@ import ( "fmt" "math" "math/rand" + "net" "sort" "strconv" "strings" @@ -768,7 +769,7 @@ func (pps PreparedParams) String() string { // ConnectionInfo present connection used by audit. type ConnectionInfo struct { - ConnectionID uint32 + ConnectionID uint64 ConnectionType string Host string ClientIP string @@ -1640,6 +1641,9 @@ type Concurrency struct { // ExecutorConcurrency is the number of concurrent worker for all executors. ExecutorConcurrency int + + // SourceAddr is the source address of request. Available in coprocessor ONLY. + SourceAddr net.TCPAddr } // SetIndexLookupConcurrency set the number of concurrent index lookup worker. diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go index 9cd15772f9911..e86fddb9fde24 100644 --- a/store/tikv/coprocessor.go +++ b/store/tikv/coprocessor.go @@ -301,6 +301,10 @@ func buildTiDBMemCopTasks(ranges *copRanges, req *kv.Request) ([]*copTask, error } tasks := make([]*copTask, 0, len(servers)) for _, ser := range servers { + if req.TiDBServerID > 0 && req.TiDBServerID != ser.ServerIDGetter() { + continue + } + addr := ser.IP + ":" + strconv.FormatUint(uint64(ser.StatusPort), 10) tasks = append(tasks, &copTask{ ranges: ranges, diff --git a/store/tikv/kv.go b/store/tikv/kv.go index c03850b2ab5f2..4072ab92c9183 100644 --- a/store/tikv/kv.go +++ b/store/tikv/kv.go @@ -19,6 +19,7 @@ import ( "fmt" "math/rand" "net/url" + "strings" "sync" "sync/atomic" "time" @@ -235,10 +236,22 @@ func (s *tikvStore) IsLatchEnabled() bool { return s.txnLatches != nil } +var ( + ldflagGetEtcdAddrsFromConfig = "0" // 1:Yes, otherwise:No +) + func (s *tikvStore) EtcdAddrs() ([]string, error) { if s.etcdAddrs == nil { return nil, nil } + + if ldflagGetEtcdAddrsFromConfig == "1" { + // For automated test purpose. + // To manipulate connection to etcd by mandatorily setting path to a proxy. + cfg := config.GetGlobalConfig() + return strings.Split(cfg.Path, ","), nil + } + ctx := context.Background() bo := NewBackoffer(ctx, GetMemberInfoBackoff) etcdAddrs := make([]string, 0) diff --git a/tests/globalkilltest/Makefile b/tests/globalkilltest/Makefile new file mode 100644 index 0000000000000..3e9070d28d77e --- /dev/null +++ b/tests/globalkilltest/Makefile @@ -0,0 +1,40 @@ +# Copyright 2020 PingCAP, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# See the License for the specific language governing permissions and +# limitations under the License. + +BASE_DIR := $(abspath $(dir $(lastword $(MAKEFILE_LIST)))/../..) +OUT_DIR := $(abspath $(dir $(lastword $(MAKEFILE_LIST)))/bin) + +include $(BASE_DIR)/Makefile.common + +GLOBAL_KILL_TEST_SERVER_LDFLAGS = -X "github.com/pingcap/tidb/domain.ldflagIsGlobalKillTest=1" +GLOBAL_KILL_TEST_SERVER_LDFLAGS += -X "github.com/pingcap/tidb/domain.ldflagServerIDTTL=10" +GLOBAL_KILL_TEST_SERVER_LDFLAGS += -X "github.com/pingcap/tidb/domain.ldflagServerIDTimeToKeepAlive=1" +GLOBAL_KILL_TEST_SERVER_LDFLAGS += -X "github.com/pingcap/tidb/domain.ldflagServerIDTimeToCheckPDConnectionRestored=1" +GLOBAL_KILL_TEST_SERVER_LDFLAGS += -X "github.com/pingcap/tidb/domain.ldflagLostConnectionToPDTimeout=5" +GLOBAL_KILL_TEST_SERVER_LDFLAGS += -X "github.com/pingcap/tidb/store/tikv.ldflagGetEtcdAddrsFromConfig=1" + +.PHONY: server buildsucc + +default: server buildsucc + +buildsucc: + @echo "Build TiDB Server (Global Kill Test) successfully! Setup a cluster with PD & TiKV, then Run ./run-tests.sh --pd=." + +server: +ifeq ($(TARGET), "") + cd ${BASE_DIR} && \ + CGO_ENABLED=1 $(GOBUILD) $(RACE_FLAG) -ldflags '$(LDFLAGS) $(GLOBAL_KILL_TEST_SERVER_LDFLAGS) $(CHECK_FLAG)' -o $(OUT_DIR)/globalkilltest_tidb-server tidb-server/main.go +else + cd ${BASE_DIR} && \ + CGO_ENABLED=1 $(GOBUILD) $(RACE_FLAG) -ldflags '$(LDFLAGS) $(GLOBAL_KILL_TEST_SERVER_LDFLAGS) $(CHECK_FLAG)' -o '$(TARGET)' tidb-server/main.go +endif diff --git a/tests/globalkilltest/README.md b/tests/globalkilltest/README.md new file mode 100644 index 0000000000000..9107b4f6deeeb --- /dev/null +++ b/tests/globalkilltest/README.md @@ -0,0 +1,101 @@ +# GlobalKillTest + +GlobalKillTest is a test command tool for TiDB __"Global Kill"__ feature. + +_(About __"Global Kill"__, see [design doc](https://github.com/pingcap/tidb/blob/master/docs/design/2020-06-01-global-kill.md) for detail.)_ + +``` +Usage: ./run-tests.sh [options] + + -h: Print this help message. + + -L : Log level of testing. Defaults to "info". + + --server_log_level : Log level of TiDB server. Defaults to "info". + + --tmp : Temporary files path. Defaults to "/tmp/tidb_globalkilltest". + + -s : Use tidb-server in for testing. + Defaults to "bin/globalkilltest_tidb-server". + + --tidb_start_port : First TiDB server listening port. port ~ port+2 will be used. + Defaults to "5000". + + --tidb_status_port : First TiDB server status listening port. port ~ port+2 will be used. + Defaults to "8000". + + --pd : PD client path, ip:port list seperated by comma. + Defaults to "127.0.0.1:2379". + + --pd_proxy_port : PD proxy port. PD proxy is used to simulate lost connection between TiDB and PD. + Defaults to "3379". + + --conn_lost : Lost connection to PD timeout, + should be the same as TiDB ldflag . + See tidb/Makefile for detail. + Defaults to "5". + + --conn_restored : Time to check PD connection restored, + should be the same as TiDB ldflag + . + See tidb/Makefile for detail. + Defaults to "1". + +``` + + +## Prerequisite +1. Build TiDB binary for test. See [Makefile](https://github.com/pingcap/tidb/blob/master/tests/globalkilltest/Makefile) for detail. + +2. Establish a cluster with PD & TiKV, and provide PD client path by `--pd=ip:port[,ip:port]`. + + +## Test Scenarios + +1. A TiDB without PD, killed by Ctrl+C, and killed by KILL. + +2. One TiDB with PD, killed by Ctrl+C, and killed by KILL. + +3. Multiple TiDB nodes, killed {local,remote} by {Ctrl-C,KILL}. + +4. TiDB with PD, existing connections are killed after PD lost connection for long time. + +5. TiDB with PD, new connections are not accepted after PD lost connection for long time. + +6. TiDB with PD, new connections are accepted after PD lost connection for long time and then recovered. + +7. TiDB with PD, connections can be killed (see 3) after PD lost connection for long time and then recovered. + + +## How it works + +* TiDB is built by [Makefile](https://github.com/pingcap/tidb/blob/master/tests/globalkilltest/Makefile), to hack some timeout variables, as the default value of these variables are too long _(several hours)_ for automated testing. + +* Execute `SELECT SLEEP(x)` as payload, and kill the query before `x` expired. If the query had no error and elapsed less than `x`, the test is PASSED. + +* Run a embedded [tcp proxy](https://github.com/inetaf/tcpproxy) before PD. Stop & restart the proxy to simulate connection between TiDB and PD lost & restored. + + +## Usage + +### Regression Execute in Integration Test + +In Integration Test after commit and before merge, run these commands under TiDB `tests/globalkilltest` folder. + +```sh +cd tests/globalkilltest +make +./run-tests.sh --pd= +``` + +Again, before testing, establish a cluster with PD & TiKV and provide `pd client path` by `--pd=`. + +### Manual Test + +Run a single test manually (take `TestMultipleTiDB` as example): + +```sh +cd tests/globalkilltest +make +go test -check.f TestMultipleTiDB -args --pd= +``` diff --git a/tests/globalkilltest/global_kill_test.go b/tests/globalkilltest/global_kill_test.go new file mode 100644 index 0000000000000..0f481eaa24cbd --- /dev/null +++ b/tests/globalkilltest/global_kill_test.go @@ -0,0 +1,509 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package globalkilltest + +import ( + "context" + "database/sql" + "flag" + "fmt" + "net/url" + "os" + "os/exec" + "strings" + "testing" + "time" + + _ "github.com/go-sql-driver/mysql" + "github.com/juju/errors" + . "github.com/pingcap/check" + zaplog "github.com/pingcap/log" + "github.com/pingcap/tidb/util/logutil" + log "github.com/sirupsen/logrus" + "go.etcd.io/etcd/clientv3" + "go.uber.org/zap" + "google.golang.org/grpc" +) + +func TestGlobalKill(t *testing.T) { + CustomVerboseFlag = true + TestingT(t) +} + +var ( + logLevel = flag.String("L", "info", "test log level") + serverLogLevel = flag.String("server_log_level", "info", "server log level") + tmpPath = flag.String("tmp", "/tmp/tidb_globalkilltest", "temporary files path") + + tidbBinaryPath = flag.String("s", "bin/globalkilltest_tidb-server", "tidb server binary path") + tidbStartPort = flag.Int("tidb_start_port", 5000, "first tidb server listening port") + tidbStatusPort = flag.Int("tidb_status_port", 8000, "first tidb server status port") + + pdClientPath = flag.String("pd", "127.0.0.1:2379", "pd client path") + pdProxyPort = flag.String("pd_proxy_port", "3379", "pd proxy port") + + lostConnectionToPDTimeout = flag.Int("conn_lost", 5, "lost connection to PD timeout, should be the same as TiDB ldflag ") + timeToCheckPDConnectionRestored = flag.Int("conn_restored", 1, "time to check PD connection restored, should be the same as TiDB ldflag ") +) + +const ( + waitToStartup = 500 * time.Millisecond + msgErrConnectPD = "connect PD err: %v. Establish a cluster with PD & TiKV, and provide PD client path by `--pd=[,]" +) + +var _ = Suite(&TestGlobalKillSuite{}) + +// TestGlobakKillSuite is used for automated test of "Global Kill" feature. +// See https://github.com/pingcap/tidb/blob/master/docs/design/2020-06-01-global-kill.md. +type TestGlobalKillSuite struct { + pdCli *clientv3.Client + pdErr error +} + +func (s *TestGlobalKillSuite) SetUpSuite(c *C) { + logutil.InitLogger(&logutil.LogConfig{Config: zaplog.Config{Level: *logLevel}}) + + s.pdCli, s.pdErr = s.connectPD() +} + +func (s *TestGlobalKillSuite) TearDownSuite(c *C) { + if s.pdCli != nil { + s.pdCli.Close() + } +} + +func (s *TestGlobalKillSuite) connectPD() (cli *clientv3.Client, err error) { + etcdLogCfg := zap.NewProductionConfig() + etcdLogCfg.Level = zap.NewAtomicLevelAt(zap.ErrorLevel) + cli, err = clientv3.New(clientv3.Config{ + LogConfig: &etcdLogCfg, + Endpoints: strings.Split(*pdClientPath, ","), + AutoSyncInterval: 30 * time.Second, + DialTimeout: 5 * time.Second, + DialOptions: []grpc.DialOption{ + grpc.WithBackoffMaxDelay(time.Second * 3), + }, + }) + if err != nil { + return nil, errors.Trace(err) + } + + ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second) // use `Sync` to test connection, and get current members. + err = cli.Sync(ctx) + cancel() + if err != nil { + cli.Close() + return nil, errors.Trace(err) + } + log.Infof("pd connected") + return cli, nil +} + +func (s *TestGlobalKillSuite) startTiDBWithoutPD(port int, statusPort int) (cmd *exec.Cmd, err error) { + cmd = exec.Command(*tidbBinaryPath, + "--store=mocktikv", + fmt.Sprintf("-L=%s", *serverLogLevel), + fmt.Sprintf("--path=%s/mocktikv", *tmpPath), + fmt.Sprintf("-P=%d", port), + fmt.Sprintf("--status=%d", statusPort), + fmt.Sprintf("--log-file=%s/tidb%d.log", *tmpPath, port)) + log.Infof("starting tidb: %v", cmd) + err = cmd.Start() + if err != nil { + return nil, errors.Trace(err) + } + time.Sleep(500 * time.Millisecond) + return cmd, nil +} + +func (s *TestGlobalKillSuite) startTiDBWithPD(port int, statusPort int, pdPath string) (cmd *exec.Cmd, err error) { + cmd = exec.Command(*tidbBinaryPath, + "--store=tikv", + fmt.Sprintf("-L=%s", *serverLogLevel), + fmt.Sprintf("--path=%s", pdPath), + fmt.Sprintf("-P=%d", port), + fmt.Sprintf("--status=%d", statusPort), + fmt.Sprintf("--log-file=%s/tidb%d.log", *tmpPath, port)) + log.Infof("starting tidb: %v", cmd) + err = cmd.Start() + if err != nil { + return nil, errors.Trace(err) + } + time.Sleep(500 * time.Millisecond) + return cmd, nil +} + +func (s *TestGlobalKillSuite) stopService(name string, cmd *exec.Cmd, graceful bool) (err error) { + if graceful { + if err = cmd.Process.Signal(os.Interrupt); err != nil { + return errors.Trace(err) + } + if err = cmd.Wait(); err != nil { + return errors.Trace(err) + } + log.Infof("service \"%s\" stopped gracefully", name) + return nil + } + + if err = cmd.Process.Kill(); err != nil { + return errors.Trace(err) + } + time.Sleep(1 * time.Second) + log.Infof("service \"%s\" killed", name) + return nil +} + +func (s *TestGlobalKillSuite) startPDProxy() (proxy *pdProxy, err error) { + from := fmt.Sprintf(":%s", *pdProxyPort) + if len(s.pdCli.Endpoints()) == 0 { + return nil, errors.New("PD no available endpoint") + } + u, err := url.Parse(s.pdCli.Endpoints()[0]) // use first endpoint, as proxy can accept ONLY one destination. + if err != nil { + return nil, errors.Trace(err) + } + dst := u.Host + + var p pdProxy + p.AddRoute(from, to(dst)) + if err := p.Start(); err != nil { + return nil, err + } + log.Infof("start PD proxy: %s --> %s", from, dst) + return &p, nil +} + +func (s *TestGlobalKillSuite) connectTiDB(port int) (db *sql.DB, err error) { + addr := fmt.Sprintf("127.0.0.1:%d", port) + dsn := fmt.Sprintf("root@(%s)/test", addr) + sleepTime := 250 * time.Millisecond + startTime := time.Now() + for i := 0; i < 5; i++ { + db, err = sql.Open("mysql", dsn) + if err != nil { + log.Warnf("open addr %v failed, retry count %d err %v", addr, i, err) + continue + } + err = db.Ping() + if err == nil { + break + } + log.Warnf("ping addr %v failed, retry count %d err %v", addr, i, err) + + db.Close() + time.Sleep(sleepTime) + sleepTime += sleepTime + } + if err != nil { + log.Errorf("connect to server addr %v failed %v, take time %v", addr, err, time.Since(startTime)) + return nil, errors.Trace(err) + } + db.SetMaxOpenConns(10) + + log.Infof("connect to server %s ok", addr) + return db, nil +} + +type sleepResult struct { + elapsed time.Duration + err error +} + +func (s *TestGlobalKillSuite) killByCtrlC(c *C, port int, sleepTime int) time.Duration { + cli := exec.Command("mysql", + "-h127.0.0.1", + fmt.Sprintf("-P%d", port), + "-uroot", + "-e", fmt.Sprintf("SELECT SLEEP(%d);", sleepTime)) + log.Infof("run mysql cli: %v", cli) + + ch := make(chan sleepResult) + go func() { + startTS := time.Now() + err := cli.Run() + if err != nil { + ch <- sleepResult{err: errors.Trace(err)} + return + } + + elapsed := time.Since(startTS) + log.Infof("mysql cli takes: %v", elapsed) + ch <- sleepResult{elapsed: elapsed} + }() + + time.Sleep(waitToStartup) // wait before mysql cli running. + err := cli.Process.Signal(os.Interrupt) // send "CTRL-C". + c.Assert(err, IsNil) + + r := <-ch + c.Assert(r.err, IsNil) + return r.elapsed +} + +func sleepRoutine(ctx context.Context, sleepTime int, conn *sql.Conn, connID uint64, ch chan<- sleepResult) { + var err error + startTS := time.Now() + sql := fmt.Sprintf("SELECT SLEEP(%d);", sleepTime) + if connID > 0 { + log.Infof("exec: %s [on 0x%x]", sql, connID) + } else { + log.Infof("exec: %s", sql) + } + rows, err := conn.QueryContext(ctx, sql) + if err != nil { + ch <- sleepResult{err: err} + return + } + defer rows.Close() + if rows.Err() != nil { + ch <- sleepResult{err: rows.Err()} + return + } + + elapsed := time.Since(startTS) + log.Infof("sleepRoutine takes %v", elapsed) + ch <- sleepResult{elapsed: elapsed} +} + +// NOTICE: db1 & db2 can be the same object, for getting conn1 & conn2 from the same TiDB instance. +func (s *TestGlobalKillSuite) killByKillStatement(c *C, db1 *sql.DB, db2 *sql.DB, sleepTime int) time.Duration { + ctx := context.TODO() + + conn1, err := db1.Conn(ctx) + c.Assert(err, IsNil) + defer conn1.Close() + + var connID1 uint64 + err = conn1.QueryRowContext(ctx, "SELECT CONNECTION_ID();").Scan(&connID1) + c.Assert(err, IsNil) + log.Infof("connID1: 0x%x", connID1) + + ch := make(chan sleepResult) + go sleepRoutine(ctx, sleepTime, conn1, connID1, ch) + + time.Sleep(waitToStartup) // wait go-routine to start. + conn2, err := db2.Conn(ctx) + c.Assert(err, IsNil) + defer conn2.Close() + + var connID2 uint64 + err = conn2.QueryRowContext(ctx, "SELECT CONNECTION_ID();").Scan(&connID2) + c.Assert(err, IsNil) + log.Infof("connID2: 0x%x", connID2) + + log.Infof("exec: KILL QUERY %v(0x%x) [on 0x%x]", connID1, connID1, connID2) + _, err = conn2.ExecContext(ctx, fmt.Sprintf("KILL QUERY %v", connID1)) + c.Assert(err, IsNil) + + r := <-ch + c.Assert(r.err, IsNil) + return r.elapsed +} + +// [Test Scenario 1] A TiDB without PD, killed by Ctrl+C, and killed by KILL. +func (s *TestGlobalKillSuite) TestWithoutPD(c *C) { + var err error + port := *tidbStartPort + tidb, err := s.startTiDBWithoutPD(port, *tidbStatusPort) + c.Assert(err, IsNil) + defer s.stopService("tidb", tidb, true) + + db, err := s.connectTiDB(port) + c.Assert(err, IsNil) + defer db.Close() + + const sleepTime = 2 + + // Test mysql client CTRL-C + // mysql client "CTRL-C" truncate connection id to 32bits, and is ignored by TiDB. + elapsed := s.killByCtrlC(c, port, sleepTime) + c.Assert(elapsed, GreaterEqual, sleepTime*time.Second) + + // Test KILL statement + elapsed = s.killByKillStatement(c, db, db, sleepTime) + c.Assert(elapsed, Less, sleepTime*time.Second) +} + +// [Test Scenario 2] One TiDB with PD, killed by Ctrl+C, and killed by KILL. +func (s *TestGlobalKillSuite) TestOneTiDB(c *C) { + c.Assert(s.pdErr, IsNil, Commentf(msgErrConnectPD, s.pdErr)) + + port := *tidbStartPort + 1 + tidb, err := s.startTiDBWithPD(port, *tidbStatusPort+1, *pdClientPath) + c.Assert(err, IsNil) + defer s.stopService("tidb", tidb, true) + + db, err := s.connectTiDB(port) + c.Assert(err, IsNil) + defer db.Close() + + const sleepTime = 2 + + // Test mysql client CTRL-C + // mysql client "CTRL-C" truncate connection id to 32bits, and is ignored by TiDB. + // see TiDB's logging for the truncation warning. + elapsed := s.killByCtrlC(c, port, sleepTime) + c.Assert(elapsed, GreaterEqual, sleepTime*time.Second) + + // Test KILL statement + elapsed = s.killByKillStatement(c, db, db, sleepTime) + c.Assert(elapsed, Less, sleepTime*time.Second) +} + +// [Test Scenario 3] Multiple TiDB nodes, killed {local,remote} by {Ctrl-C,KILL}. +func (s *TestGlobalKillSuite) TestMultipleTiDB(c *C) { + c.Assert(s.pdErr, IsNil, Commentf(msgErrConnectPD, s.pdErr)) + + // tidb1 & conn1a,conn1b + port1 := *tidbStartPort + 1 + tidb1, err := s.startTiDBWithPD(port1, *tidbStatusPort+1, *pdClientPath) + c.Assert(err, IsNil) + defer s.stopService("tidb1", tidb1, true) + + db1a, err := s.connectTiDB(port1) + c.Assert(err, IsNil) + defer db1a.Close() + + db1b, err := s.connectTiDB(port1) + c.Assert(err, IsNil) + defer db1b.Close() + + // tidb2 & conn2 + port2 := *tidbStartPort + 2 + tidb2, err := s.startTiDBWithPD(port2, *tidbStatusPort+2, *pdClientPath) + c.Assert(err, IsNil) + defer s.stopService("tidb2", tidb2, true) + + db2, err := s.connectTiDB(port2) + c.Assert(err, IsNil) + defer db2.Close() + + const sleepTime = 2 + var elapsed time.Duration + + // kill local by CTRL-C + // mysql client "CTRL-C" truncate connection id to 32bits, and is ignored by TiDB. + // see TiDB's logging for the truncation warning. + elapsed = s.killByCtrlC(c, port1, sleepTime) + c.Assert(elapsed, GreaterEqual, sleepTime*time.Second) + + // kill local by KILL + elapsed = s.killByKillStatement(c, db1a, db1b, sleepTime) + c.Assert(elapsed, Less, sleepTime*time.Second) + + // kill remotely + elapsed = s.killByKillStatement(c, db1a, db2, sleepTime) + c.Assert(elapsed, Less, sleepTime*time.Second) +} + +func (s *TestGlobalKillSuite) TestLostConnection(c *C) { + c.Assert(s.pdErr, IsNil, Commentf(msgErrConnectPD, s.pdErr)) + + // PD proxy + pdProxy, err := s.startPDProxy() + c.Assert(err, IsNil) + pdPath := fmt.Sprintf("127.0.0.1:%s", *pdProxyPort) + + // tidb1 + port1 := *tidbStartPort + 1 + tidb1, err := s.startTiDBWithPD(port1, *tidbStatusPort+1, pdPath) + c.Assert(err, IsNil) + defer s.stopService("tidb1", tidb1, true) + + db1, err := s.connectTiDB(port1) + c.Assert(err, IsNil) + defer db1.Close() + + // tidb2 + port2 := *tidbStartPort + 2 + tidb2, err := s.startTiDBWithPD(port2, *tidbStatusPort+2, pdPath) + c.Assert(err, IsNil) + defer s.stopService("tidb2", tidb2, true) + + db2, err := s.connectTiDB(port2) + c.Assert(err, IsNil) + defer db2.Close() + + // verify it's working. + ctx := context.TODO() + conn1, err := db1.Conn(ctx) + c.Assert(err, IsNil) + defer conn1.Close() + err = conn1.PingContext(ctx) + c.Assert(err, IsNil) + + // a running sql + sqlTime := *lostConnectionToPDTimeout + 10 + ch := make(chan sleepResult) + go sleepRoutine(ctx, sqlTime, conn1, 0, ch) + time.Sleep(waitToStartup) // wait go-routine to start. + + // disconnect to PD by closing PD proxy. + log.Infof("shutdown PD proxy to simulate lost connection to PD.") + pdProxy.Close() + pdProxy.closeAllConnections() + + // wait for "lostConnectionToPDTimeout" elapsed. + // delay additional 3 seconds for TiDB would have a small interval to detect lost connection more than "lostConnectionToPDTimeout". + sleepTime := time.Duration(*lostConnectionToPDTimeout+3) * time.Second + log.Infof("sleep %v to wait for TiDB had detected lost connection", sleepTime) + time.Sleep(sleepTime) + + // check running sql + // [Test Scenario 4] Existing connections are killed after PD lost connection for long time. + r := <-ch + log.Infof("sleepRoutine err: %v", r.err) + c.Assert(r.err, NotNil) + c.Assert(r.err.Error(), Equals, "invalid connection") + + // check new connection. + // [Test Scenario 5] New connections are not accepted after PD lost connection for long time. + log.Infof("check connection after lost connection to PD.") + _, err = s.connectTiDB(port1) + log.Infof("connectTiDB err: %v", err) + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "driver: bad connection") + + // start PD proxy to restore connection. + log.Infof("restart pdProxy") + pdProxy1, err := s.startPDProxy() + c.Assert(err, IsNil) + defer pdProxy1.Close() + + // wait for "timeToCheckPDConnectionRestored" elapsed. + // delay additional 3 seconds for TiDB would have a small interval to detect lost connection restored more than "timeToCheckPDConnectionRestored". + sleepTime = time.Duration(*timeToCheckPDConnectionRestored+3) * time.Second + log.Infof("sleep %v to wait for TiDB had detected lost connection restored", sleepTime) + time.Sleep(sleepTime) + + // check restored + { + // [Test Scenario 6] New connections are accepted after PD lost connection for long time and then recovered. + db1, err := s.connectTiDB(port1) + c.Assert(err, IsNil) + defer db1.Close() + + db2, err := s.connectTiDB(port2) + c.Assert(err, IsNil) + defer db2.Close() + + // [Test Scenario 7] Connections can be killed after PD lost connection for long time and then recovered. + sleepTime := 2 + elapsed := s.killByKillStatement(c, db1, db1, sleepTime) + c.Assert(elapsed, Less, time.Duration(sleepTime)*time.Second) + + elapsed = s.killByKillStatement(c, db1, db2, sleepTime) + c.Assert(elapsed, Less, time.Duration(sleepTime)*time.Second) + } +} diff --git a/tests/globalkilltest/go.mod b/tests/globalkilltest/go.mod new file mode 100644 index 0000000000000..c879e206adaff --- /dev/null +++ b/tests/globalkilltest/go.mod @@ -0,0 +1,17 @@ +module github.com/pingcap/tests/globalkilltest + +go 1.13 + +require ( + github.com/go-sql-driver/mysql v1.5.0 + github.com/juju/errors v0.0.0-20200330140219-3fe23663418f + github.com/pingcap/check v0.0.0-20200212061837-5e12011dc712 + github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 + github.com/pingcap/tidb v1.1.0-beta.0.20201020170636-b71b6323fd4d + github.com/pingcap/tipb v0.0.0-20201020032630-6dac8b6c0aab // indirect + github.com/sirupsen/logrus v1.6.0 + go.etcd.io/etcd v0.5.0-alpha.5.0.20191023171146-3cf2f69b5738 + go.uber.org/zap v1.16.0 + google.golang.org/grpc v1.26.0 + inet.af/tcpproxy v0.0.0-20200125044825-b6bb9b5b8252 +) diff --git a/tests/globalkilltest/go.sum b/tests/globalkilltest/go.sum new file mode 100644 index 0000000000000..f8902b2fecae0 --- /dev/null +++ b/tests/globalkilltest/go.sum @@ -0,0 +1,869 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU= +cloud.google.com/go v0.44.1/go.mod 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v0.0.0-20151005221446-73f23eafcf67 h1:e1sMhtVq9AfcEy8AXNb8eSg6gbzfdpYhoNqnPJa+GzI= +sourcegraph.com/sourcegraph/appdash-data v0.0.0-20151005221446-73f23eafcf67/go.mod h1:L5q+DGLGOQFpo1snNEkLOJT2d1YTW66rWNzatr3He1k= diff --git a/tests/globalkilltest/proxy.go b/tests/globalkilltest/proxy.go new file mode 100644 index 0000000000000..2a6b95761ca51 --- /dev/null +++ b/tests/globalkilltest/proxy.go @@ -0,0 +1,73 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package globalkilltest + +import ( + "net" + + log "github.com/sirupsen/logrus" + "inet.af/tcpproxy" +) + +// pdProxy used to simulate "lost connection" between TiDB and PD. +// Add "close existed connection" to `tcpproxy.Proxy`, which support closing listener only. +type pdProxy struct { + tcpproxy.Proxy + dialProxies []*pdDialProxy +} + +// AddRoute implements the Proxy interface. +func (p *pdProxy) AddRoute(ipPort string, dest tcpproxy.Target) { + if dp, ok := dest.(*pdDialProxy); ok { + p.dialProxies = append(p.dialProxies, dp) + } + p.Proxy.AddRoute(ipPort, dest) +} + +func (p *pdProxy) closeAllConnections() { + for _, dp := range p.dialProxies { + dp.closeAllConnections() + } +} + +// pdDialProxy add "close existed connections" to `tcpproxy.DialProxy`, +// which support closing listener only. +type pdDialProxy struct { + tcpproxy.DialProxy + connections []net.Conn +} + +// HandleConn implements the Target interface. +func (dp *pdDialProxy) HandleConn(src net.Conn) { + dp.connections = append(dp.connections, tcpproxy.UnderlyingConn(src)) + dp.DialProxy.HandleConn(src) +} + +func (dp *pdDialProxy) closeAllConnections() { + for _, conn := range dp.connections { + if err := conn.Close(); err != nil { // Notice: will close a connection twice. Ignore for test purpose. + log.Errorf("closeAllConnections err: %v", err) + } + } +} + +// to is shorthand way of new pdDialProxy. +func to(addr string) *pdDialProxy { + return &pdDialProxy{ + DialProxy: tcpproxy.DialProxy{ + Addr: addr, + KeepAlivePeriod: -1, + }, + } +} diff --git a/tests/globalkilltest/run-tests.sh b/tests/globalkilltest/run-tests.sh new file mode 100755 index 0000000000000..8c9a71b4a0b0c --- /dev/null +++ b/tests/globalkilltest/run-tests.sh @@ -0,0 +1,73 @@ +#!/usr/bin/env bash +# Copyright 2020 PingCAP, Inc. + +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at + +# http://www.apache.org/licenses/LICENSE-2.0 + +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# See the License for the specific language governing permissions and +# limitations under the License. + +set -eu +trap 'set +e; PIDS=$(jobs -p); [ -n "$PIDS" ] && kill -9 $PIDS' EXIT + +function help_message() +{ + echo "Usage: $0 [options]" + echo ' + -h: Print this help message. + + -L : Log level of testing. Defaults to "info". + + --server_log_level : Log level of TiDB server. Defaults to "info". + + --tmp : Temporary files path. Defaults to "/tmp/tidb_globalkilltest". + + -s : Use tidb-server in for testing. + Defaults to "bin/globalkilltest_tidb-server". + + --tidb_start_port : First TiDB server listening port. port ~ port+2 will be used. + Defaults to "5000". + + --tidb_status_port : First TiDB server status listening port. port ~ port+2 will be used. + Defaults to "8000". + + --pd : PD client path, ip:port list seperated by comma. + Defaults to "127.0.0.1:2379". + + --pd_proxy_port : PD proxy port. PD proxy is used to simulate lost connection between TiDB and PD. + Defaults to "3379". + + --conn_lost : Lost connection to PD timeout, + should be the same as TiDB ldflag . + See tidb/Makefile for detail. + Defaults to "5". + + --conn_restored : Time to check PD connection restored, + should be the same as TiDB ldflag + . + See tidb/Makefile for detail. + Defaults to "1". +' +} + +function go_tests() +{ + go test -args $* +} + +while getopts "h" opt; do + case $opt in + h) + help_message + exit 0 + ;; + esac +done + +go_tests +echo "globalkilltest end" diff --git a/tidb-server/main.go b/tidb-server/main.go index 33fdfb10e392e..aefd26368f80f 100644 --- a/tidb-server/main.go +++ b/tidb-server/main.go @@ -637,6 +637,7 @@ func createServer() { // Both domain and storage have started, so we have to clean them before exiting. terror.MustNil(err, closeDomainAndStorage) svr.SetDomain(dom) + svr.InitGlobalConnID(dom.ServerID) go dom.ExpensiveQueryHandle().SetSessionManager(svr).Run() dom.InfoSyncer().SetSessionManager(svr) } diff --git a/util/logutil/log.go b/util/logutil/log.go index 55bbc950c3ebd..38b51f159000d 100644 --- a/util/logutil/log.go +++ b/util/logutil/log.go @@ -346,18 +346,18 @@ func BgLogger() *zap.Logger { } // WithConnID attaches connId to context. -func WithConnID(ctx context.Context, connID uint32) context.Context { +func WithConnID(ctx context.Context, connID uint64) context.Context { var logger *zap.Logger if ctxLogger, ok := ctx.Value(ctxLogKey).(*zap.Logger); ok { logger = ctxLogger } else { logger = zaplog.L() } - return context.WithValue(ctx, ctxLogKey, logger.With(zap.Uint32("conn", connID))) + return context.WithValue(ctx, ctxLogKey, logger.With(zap.Uint64("conn", connID))) } // WithTraceLogger attaches trace identifier to context -func WithTraceLogger(ctx context.Context, connID uint32) context.Context { +func WithTraceLogger(ctx context.Context, connID uint64) context.Context { var logger *zap.Logger if ctxLogger, ok := ctx.Value(ctxLogKey).(*zap.Logger); ok { logger = ctxLogger @@ -367,11 +367,11 @@ func WithTraceLogger(ctx context.Context, connID uint32) context.Context { return context.WithValue(ctx, ctxLogKey, wrapTraceLogger(ctx, connID, logger)) } -func wrapTraceLogger(ctx context.Context, connID uint32, logger *zap.Logger) *zap.Logger { +func wrapTraceLogger(ctx context.Context, connID uint64, logger *zap.Logger) *zap.Logger { return logger.WithOptions(zap.WrapCore(func(core zapcore.Core) zapcore.Core { tl := &traceLog{ctx: ctx} traceCore := zaplog.NewTextCore(zaplog.NewTextEncoder(&zaplog.Config{}), tl, tl). - With([]zapcore.Field{zap.Uint32("conn", connID)}) + With([]zapcore.Field{zap.Uint64("conn", connID)}) return zapcore.NewTee(traceCore, core) })) } diff --git a/util/logutil/log_test.go b/util/logutil/log_test.go index a0dd64b9968dd..4961aa28e98f1 100644 --- a/util/logutil/log_test.go +++ b/util/logutil/log_test.go @@ -215,7 +215,7 @@ func (s *testLogSuite) TestZapLoggerWithKeys(c *C) { conf := NewLogConfig("info", DefaultLogFormat, "", fileCfg, false) err := InitZapLogger(conf) c.Assert(err, IsNil) - connID := uint32(123) + connID := uint64(123) ctx := WithConnID(context.Background(), connID) s.testZapLogger(ctx, c, fileCfg.Filename, zapLogWithConnIDPattern) os.Remove(fileCfg.Filename) diff --git a/util/processinfo.go b/util/processinfo.go index 13f04bf16e655..0e589fdc556b8 100644 --- a/util/processinfo.go +++ b/util/processinfo.go @@ -15,8 +15,10 @@ package util import ( "crypto/tls" + "errors" "fmt" "strings" + "sync/atomic" "time" "github.com/pingcap/parser/mysql" @@ -147,5 +149,88 @@ type SessionManager interface { ShowProcessList() map[uint64]*ProcessInfo GetProcessInfo(id uint64) (*ProcessInfo, bool) Kill(connectionID uint64, query bool) + KillAllConnections() UpdateTLSConfig(cfg *tls.Config) + ServerID() uint64 +} + +// GlobalConnID is the global connection ID, providing UNIQUE connection IDs across the whole TiDB cluster. +// 64 bits version: +// 63 62 41 40 1 0 +// +--+---------------------+--------------------------------------+------+ +// | | serverId | local connId |markup| +// |=0| (22b) | (40b) | =1 | +// +--+---------------------+--------------------------------------+------+ +// 32 bits version(coming soon): +// 31 1 0 +// +-----------------------------+------+ +// | ??? |markup| +// | ??? | =0 | +// +-----------------------------+------+ +type GlobalConnID struct { + ServerID uint64 + LocalConnID uint64 + Is64bits bool + ServerIDGetter func() uint64 +} + +const ( + // MaxServerID is maximum serverID. + MaxServerID = 1<<22 - 1 +) + +func (g *GlobalConnID) makeID(localConnID uint64) uint64 { + var ( + id uint64 + serverID uint64 + ) + if g.ServerIDGetter != nil { + serverID = g.ServerIDGetter() + } else { + serverID = g.ServerID + } + if g.Is64bits { + id |= 0x1 + id |= localConnID & 0xff_ffff_ffff << 1 // 40 bits local connID. + id |= serverID & MaxServerID << 41 // 22 bits serverID. + } else { + // TODO: update after new design for 32 bits version. + id |= localConnID & 0x7fff_ffff << 1 // 31 bits local connID. + } + return id +} + +// ID returns the connection id +func (g *GlobalConnID) ID() uint64 { + return g.makeID(g.LocalConnID) +} + +// NextID returns next connection id +func (g *GlobalConnID) NextID() uint64 { + localConnID := atomic.AddUint64(&g.LocalConnID, 1) + return g.makeID(localConnID) +} + +// ParseGlobalConnID parses an uint64 to GlobalConnID. +// `isTruncated` indicates that older versions of the client truncated the 64-bit GlobalConnID to 32-bit. +func ParseGlobalConnID(id uint64) (g GlobalConnID, isTruncated bool, err error) { + if id&0x80000000_00000000 > 0 { + return GlobalConnID{}, false, errors.New("Unexpected connectionID excceeds int64") + } + if id&0x1 > 0 { + if id&0xffffffff_00000000 == 0 { + return GlobalConnID{}, true, nil + } + return GlobalConnID{ + Is64bits: true, + LocalConnID: (id >> 1) & 0xff_ffff_ffff, + ServerID: (id >> 41) & MaxServerID, + }, false, nil + } + // TODO: update after new design for 32 bits version. + return GlobalConnID{ + Is64bits: false, + LocalConnID: (id >> 1) & 0x7fff_ffff, + ServerID: 0, + }, false, nil } diff --git a/util/processinfo_test.go b/util/processinfo_test.go new file mode 100644 index 0000000000000..e00fccf3f988b --- /dev/null +++ b/util/processinfo_test.go @@ -0,0 +1,63 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package util_test + +import ( + . "github.com/pingcap/check" + "github.com/pingcap/tidb/util" +) + +var _ = Suite(&testProcessInfoSuite{}) + +type testProcessInfoSuite struct { +} + +func (s *testProcessInfoSuite) SetUpSuite(c *C) { +} + +func (s *testProcessInfoSuite) TearDownSuite(c *C) { +} + +func (s *testProcessInfoSuite) TestGlobalConnID(c *C) { + connID := util.GlobalConnID{ + Is64bits: true, + ServerID: 1001, + LocalConnID: 123, + } + c.Assert(connID.ID(), Equals, (uint64(1001)<<41)|(uint64(123)<<1)|1) + + next := connID.NextID() + c.Assert(next, Equals, (uint64(1001)<<41)|(uint64(124)<<1)|1) + + connID1, isTruncated, err := util.ParseGlobalConnID(next) + c.Assert(err, IsNil) + c.Assert(isTruncated, IsFalse) + c.Assert(connID1.ServerID, Equals, uint64(1001)) + c.Assert(connID1.LocalConnID, Equals, uint64(124)) + c.Assert(connID1.Is64bits, IsTrue) + + _, isTruncated, err = util.ParseGlobalConnID(101) + c.Assert(err, IsNil) + c.Assert(isTruncated, IsTrue) + + _, _, err = util.ParseGlobalConnID(0x80000000_00000321) + c.Assert(err, NotNil) + + connID2 := util.GlobalConnID{ + Is64bits: true, + ServerIDGetter: func() uint64 { return 2002 }, + LocalConnID: 123, + } + c.Assert(connID2.ID(), Equals, (uint64(2002)<<41)|(uint64(123)<<1)|1) +} From 3ed192eb0da5d763c8d44926dbc64255faec0a75 Mon Sep 17 00:00:00 2001 From: lysu Date: Tue, 27 Oct 2020 19:50:24 +0800 Subject: [PATCH 0095/1021] executor,server: fix pessimistic "insert select for update" return malformed packet (#20584) Signed-off-by: lysu --- executor/adapter.go | 2 +- server/tidb_test.go | 21 +++++++++++++++++++++ 2 files changed, 22 insertions(+), 1 deletion(-) diff --git a/executor/adapter.go b/executor/adapter.go index 3f1504b654a66..4cf27e849d4d6 100644 --- a/executor/adapter.go +++ b/executor/adapter.go @@ -763,7 +763,7 @@ func (a *ExecStmt) buildExecutor() (Executor, error) { } e = executorExec.stmtExec } - a.isSelectForUpdate = b.hasLock && (!stmtCtx.InDeleteStmt && !stmtCtx.InUpdateStmt) + a.isSelectForUpdate = b.hasLock && (!stmtCtx.InDeleteStmt && !stmtCtx.InUpdateStmt && !stmtCtx.InInsertStmt) return e, nil } diff --git a/server/tidb_test.go b/server/tidb_test.go index cdabeb1c2d27c..9c7b0a78e508f 100644 --- a/server/tidb_test.go +++ b/server/tidb_test.go @@ -931,3 +931,24 @@ func (ts *tidbTestSuite) TestNullFlag(c *C) { expectFlag := uint16(tmysql.NotNullFlag | tmysql.BinaryFlag) c.Assert(dumpFlag(cols[0].Type, cols[0].Flag), Equals, expectFlag) } + +func (ts *tidbTestSuite) TestPessimisticInsertSelectForUpdate(c *C) { + qctx, err := ts.tidbdrv.OpenCtx(uint64(0), 0, uint8(tmysql.DefaultCollationID), "test", nil) + c.Assert(err, IsNil) + ctx := context.Background() + _, err = Execute(ctx, qctx, "use test;") + c.Assert(err, IsNil) + _, err = Execute(ctx, qctx, "drop table if exists t1, t2") + c.Assert(err, IsNil) + _, err = Execute(ctx, qctx, "create table t1 (id int)") + c.Assert(err, IsNil) + _, err = Execute(ctx, qctx, "create table t2 (id int)") + c.Assert(err, IsNil) + _, err = Execute(ctx, qctx, "insert into t1 select 1") + c.Assert(err, IsNil) + _, err = Execute(ctx, qctx, "begin pessimistic") + c.Assert(err, IsNil) + rs, err := Execute(ctx, qctx, "INSERT INTO t2 (id) select id from t1 where id = 1 for update") + c.Assert(err, IsNil) + c.Assert(rs, IsNil) // should be no delay +} From f41880a4d0fe28382f24271feada2a80d535901f Mon Sep 17 00:00:00 2001 From: tangwz Date: Tue, 27 Oct 2020 20:10:27 +0800 Subject: [PATCH 0096/1021] statistics: improve row count estimation of multi-column equal conditions by cross validation (#20264) --- statistics/cmsketch.go | 4 ++ statistics/selectivity_test.go | 16 ++++++++ statistics/table.go | 75 ++++++++++++++++++++++++++++++---- 3 files changed, 88 insertions(+), 7 deletions(-) diff --git a/statistics/cmsketch.go b/statistics/cmsketch.go index bd3ab0211a8ad..5ca7bf4e41bf9 100644 --- a/statistics/cmsketch.go +++ b/statistics/cmsketch.go @@ -22,6 +22,7 @@ import ( "github.com/cznic/mathutil" "github.com/cznic/sortutil" "github.com/pingcap/errors" + "github.com/pingcap/failpoint" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" @@ -287,6 +288,9 @@ func (c *CMSketch) queryValue(sc *stmtctx.StatementContext, val types.Datum) (ui // QueryBytes is used to query the count of specified bytes. func (c *CMSketch) QueryBytes(d []byte) uint64 { + failpoint.Inject("mockQueryBytesMaxUint64", func(val failpoint.Value) { + failpoint.Return(uint64(val.(int))) + }) h1, h2 := murmur3.Sum128(d) if count, ok := c.QueryTopN(h1, h2, d); ok { return count diff --git a/statistics/selectivity_test.go b/statistics/selectivity_test.go index 22724876ee80c..2b3fb3a3876c3 100644 --- a/statistics/selectivity_test.go +++ b/statistics/selectivity_test.go @@ -25,6 +25,7 @@ import ( . "github.com/pingcap/check" "github.com/pingcap/errors" + "github.com/pingcap/failpoint" "github.com/pingcap/log" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" @@ -727,3 +728,18 @@ func (s *testStatsSuite) TestDNFCondSelectivity(c *C) { // Test issue 19981 testKit.MustExec("select * from t where _tidb_rowid is null or _tidb_rowid > 7") } + +func (s *testStatsSuite) TestIndexEstimationCrossValidate(c *C) { + defer cleanEnv(c, s.store, s.do) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int, b int, key(a,b))") + tk.MustExec("insert into t values(1, 1), (1, 2), (1, 3), (2, 2)") + tk.MustExec("analyze table t") + c.Assert(failpoint.Enable("github.com/pingcap/tidb/statistics/table/mockQueryBytesMaxUint64", `return(100000)`), IsNil) + tk.MustQuery("explain select * from t where a = 1 and b = 2").Check(testkit.Rows( + "IndexReader_6 1.00 root index:IndexRangeScan_5", + "└─IndexRangeScan_5 1.00 cop[tikv] table:t, index:a(a, b) range:[1 2,1 2], keep order:false")) + c.Assert(failpoint.Disable("github.com/pingcap/tidb/statistics/table/mockQueryBytesMaxUint64"), IsNil) +} diff --git a/statistics/table.go b/statistics/table.go index d32e6eafd6d51..b4ee01456d9b5 100644 --- a/statistics/table.go +++ b/statistics/table.go @@ -563,19 +563,63 @@ func outOfRangeEQSelectivity(ndv, modifyRows, totalRows int64) float64 { return selectivity } +// crossValidationSelectivity gets the selectivity of multi-column equal conditions by cross validation. +func (coll *HistColl) crossValidationSelectivity(sc *stmtctx.StatementContext, idx *Index, usedColsLen int, idxPointRange *ranger.Range) (float64, float64, error) { + minRowCount := math.MaxFloat64 + cols := coll.Idx2ColumnIDs[idx.ID] + crossValidationSelectivity := 1.0 + totalRowCount := float64(idx.TotalRowCount()) + for i, colID := range cols { + if i >= usedColsLen { + break + } + if col, ok := coll.Columns[colID]; ok { + lowExclude := idxPointRange.LowExclude + highExclude := idxPointRange.HighExclude + // Consider this case: + // create table t(a int, b int, c int, primary key(a,b,c)); + // insert into t values(1,1,1),(2,2,3); + // explain select * from t where (a,b) in ((1,1),(2,2)) and c > 2; + // For column a, we will get range: (1, 1], (2, 2], but GetColumnRowCount() with rang = (2, 2] will return 0. + // And the result of the explain statement will output estRow 0.0. So we change it to [2, 2]. + if lowExclude != highExclude && i < usedColsLen { + lowExclude = false + highExclude = false + } + rang := ranger.Range{ + LowVal: []types.Datum{idxPointRange.LowVal[i]}, + LowExclude: lowExclude, + HighVal: []types.Datum{idxPointRange.HighVal[i]}, + HighExclude: highExclude, + } + + rowCount, err := col.GetColumnRowCount(sc, []*ranger.Range{&rang}, coll.ModifyCount, col.IsHandle) + if err != nil { + return 0, 0, err + } + crossValidationSelectivity = crossValidationSelectivity * (rowCount / totalRowCount) + + if rowCount < minRowCount { + minRowCount = rowCount + } + } + } + return minRowCount, crossValidationSelectivity, nil +} + // getEqualCondSelectivity gets the selectivity of the equal conditions. -func (coll *HistColl) getEqualCondSelectivity(idx *Index, bytes []byte, usedColsLen int) float64 { +func (coll *HistColl) getEqualCondSelectivity(sc *stmtctx.StatementContext, idx *Index, bytes []byte, usedColsLen int, idxPointRange *ranger.Range) (float64, error) { coverAll := len(idx.Info.Columns) == usedColsLen // In this case, the row count is at most 1. if idx.Info.Unique && coverAll { - return 1.0 / float64(idx.TotalRowCount()) + return 1.0 / float64(idx.TotalRowCount()), nil } val := types.NewBytesDatum(bytes) if idx.outOfRange(val) { // When the value is out of range, we could not found this value in the CM Sketch, // so we use heuristic methods to estimate the selectivity. if idx.NDV > 0 && coverAll { - return outOfRangeEQSelectivity(idx.NDV, coll.ModifyCount, int64(idx.TotalRowCount())) + return outOfRangeEQSelectivity(idx.NDV, coll.ModifyCount, int64(idx.TotalRowCount())), nil } // The equal condition only uses prefix columns of the index. colIDs := coll.Idx2ColumnIDs[idx.ID] @@ -586,9 +630,19 @@ func (coll *HistColl) getEqualCondSelectivity(idx *Index, bytes []byte, usedCols } ndv = mathutil.MaxInt64(ndv, coll.Columns[colID].NDV) } - return outOfRangeEQSelectivity(ndv, coll.ModifyCount, int64(idx.TotalRowCount())) + return outOfRangeEQSelectivity(ndv, coll.ModifyCount, int64(idx.TotalRowCount())), nil + } + + minRowCount, crossValidationSelectivity, err := coll.crossValidationSelectivity(sc, idx, usedColsLen, idxPointRange) + if err != nil { + return 0, nil + } + + idxCount := float64(idx.CMSketch.QueryBytes(bytes)) + if minRowCount < idxCount { + return crossValidationSelectivity, nil } - return float64(idx.CMSketch.QueryBytes(bytes)) / float64(idx.TotalRowCount()) + return idxCount / float64(idx.TotalRowCount()), nil } func (coll *HistColl) getIndexRowCount(sc *stmtctx.StatementContext, idxID int64, indexRanges []*ranger.Range) (float64, error) { @@ -622,7 +676,10 @@ func (coll *HistColl) getIndexRowCount(sc *stmtctx.StatementContext, idxID int64 if err != nil { return 0, errors.Trace(err) } - selectivity = coll.getEqualCondSelectivity(idx, bytes, rangePosition) + selectivity, err = coll.getEqualCondSelectivity(sc, idx, bytes, rangePosition, ran) + if err != nil { + return 0, errors.Trace(err) + } } else { bytes, err := codec.EncodeKey(sc, nil, ran.LowVal[:rangePosition-1]...) if err != nil { @@ -635,7 +692,11 @@ func (coll *HistColl) getIndexRowCount(sc *stmtctx.StatementContext, idxID int64 if err != nil { return 0, err } - selectivity += coll.getEqualCondSelectivity(idx, bytes, rangePosition) + res, err := coll.getEqualCondSelectivity(sc, idx, bytes, rangePosition, ran) + if err != nil { + return 0, errors.Trace(err) + } + selectivity += res } } // use histogram to estimate the range condition From 2c8f2b75d6d0dacc3c7c343a4c55cfee1229c275 Mon Sep 17 00:00:00 2001 From: Zejun Li Date: Tue, 27 Oct 2020 21:00:26 +0800 Subject: [PATCH 0097/1021] grafana: show CPU usage of Go GC (#20663) --- metrics/grafana/tidb_runtime.json | 404 +++++++++--------------------- 1 file changed, 115 insertions(+), 289 deletions(-) diff --git a/metrics/grafana/tidb_runtime.json b/metrics/grafana/tidb_runtime.json index b5f7b1344f23e..1b5c560c24456 100644 --- a/metrics/grafana/tidb_runtime.json +++ b/metrics/grafana/tidb_runtime.json @@ -235,69 +235,90 @@ { "aliasColors": {}, "bars": false, - "cacheTimeout": null, "dashLength": 10, "dashes": false, "datasource": "${DS_TEST-CLUSTER}", - "description": "Count of live objects.", + "description": "TiDB cpu usage calculated with process cpu running seconds", "editable": true, "error": false, - "fill": 0, + "fill": 1, "grid": {}, "gridPos": { "h": 7, "w": 12, - "x": 12, - "y": 1 + "x": 0, + "y": 8 }, - "id": 21, + "id": 6, "legend": { "alignAsTable": false, "avg": false, - "current": false, - "hideEmpty": true, - "hideZero": true, + "current": true, "max": false, "min": false, "rightSide": false, "show": true, - "sideWidth": null, "total": false, - "values": false + "values": true }, "lines": true, "linewidth": 1, "links": [], - "maxPerRow": 3, - "nullPointMode": "null", + "nullPointMode": "null as zero", "percentage": false, - "pluginVersion": "6.1.6", "pointradius": 5, "points": false, "renderer": "flot", - "repeat": null, - "repeatDirection": "h", - "seriesOverrides": [], + "seriesOverrides": [ + { + "alias": "total", + "fill": 0, + "lines": false + }, + { + "alias": "/limit/", + "color": "#C4162A", + "fill": 0, + "nullPointMode": "null" + } + ], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { - "expr": "go_memstats_heap_objects{instance=~\"$instance\"}", + "expr": "irate(process_cpu_seconds_total{instance=~\"$instance\"}[30s])", "format": "time_series", "hide": false, + "interval": "", "intervalFactor": 1, - "legendFormat": "objects", - "refId": "A" + "legendFormat": "cpu-usage", + "refId": "A", + "step": 40 + }, + { + "expr": "(idelta((go_memstats_gc_cpu_fraction{instance=~\"$instance\"} * (go_memstats_last_gc_time_seconds{instance=~\"$instance\"} - process_start_time_seconds{instance=~\"$instance\"}) * tidb_server_maxprocs{instance=~\"$instance\"})[30s:]) > 0) / 15", + "format": "time_series", + "intervalFactor": 1, + "legendFormat": "gc-cpu", + "refId": "C" + }, + { + "expr": "tidb_server_maxprocs{instance=~\"$instance\"}", + "format": "time_series", + "interval": "", + "intervalFactor": 1, + "legendFormat": "limit", + "refId": "B" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, - "title": "Estimated Live Objects", + "title": "CPU Usage", "tooltip": { - "msResolution": true, + "msResolution": false, "shared": true, "sort": 0, "value_type": "individual" @@ -312,8 +333,8 @@ }, "yaxes": [ { - "format": "short", - "label": "", + "format": "percentunit", + "label": null, "logBase": 1, "max": null, "min": "0", @@ -321,11 +342,11 @@ }, { "format": "short", - "label": "", + "label": null, "logBase": 1, "max": null, "min": null, - "show": false + "show": true } ], "yaxis": { @@ -336,83 +357,69 @@ { "aliasColors": {}, "bars": false, + "cacheTimeout": null, "dashLength": 10, "dashes": false, "datasource": "${DS_TEST-CLUSTER}", - "description": "TiDB cpu usage calculated with process cpu running seconds", + "description": "Count of live objects.", "editable": true, "error": false, - "fill": 1, + "fill": 0, "grid": {}, "gridPos": { "h": 7, "w": 12, - "x": 0, - "y": 8 + "x": 12, + "y": 1 }, - "id": 6, + "id": 21, "legend": { "alignAsTable": false, "avg": false, - "current": true, + "current": false, + "hideEmpty": true, + "hideZero": true, "max": false, "min": false, "rightSide": false, "show": true, + "sideWidth": null, "total": false, - "values": true + "values": false }, "lines": true, "linewidth": 1, "links": [], - "nullPointMode": "null as zero", + "maxPerRow": 3, + "nullPointMode": "null", "percentage": false, + "pluginVersion": "6.1.6", "pointradius": 5, "points": false, "renderer": "flot", - "seriesOverrides": [ - { - "alias": "total", - "fill": 0, - "lines": false - }, - { - "alias": "/limit/", - "color": "#C4162A", - "fill": 0, - "nullPointMode": "null" - } - ], + "repeat": null, + "repeatDirection": "h", + "seriesOverrides": [], "spaceLength": 10, "stack": false, "steppedLine": false, "targets": [ { - "expr": "irate(process_cpu_seconds_total{instance=~\"$instance\"}[30s])", + "expr": "go_memstats_heap_objects{instance=~\"$instance\"}", "format": "time_series", "hide": false, - "interval": "", - "intervalFactor": 1, - "legendFormat": "cpu-usage", - "refId": "A", - "step": 40 - }, - { - "expr": "tidb_server_maxprocs{instance=~\"$instance\"}", - "format": "time_series", - "interval": "", "intervalFactor": 1, - "legendFormat": "limit", - "refId": "B" + "legendFormat": "objects", + "refId": "A" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, - "title": "CPU Usage", + "title": "Estimated Live Objects", "tooltip": { - "msResolution": false, + "msResolution": true, "shared": true, "sort": 0, "value_type": "individual" @@ -427,8 +434,8 @@ }, "yaxes": [ { - "format": "percentunit", - "label": null, + "format": "short", + "label": "", "logBase": 1, "max": null, "min": "0", @@ -436,11 +443,11 @@ }, { "format": "short", - "label": null, + "label": "", "logBase": 1, "max": null, "min": null, - "show": true + "show": false } ], "yaxis": { @@ -569,15 +576,15 @@ "dashLength": 10, "dashes": false, "datasource": "${DS_TEST-CLUSTER}", - "description": "TiDB process current goroutines count", + "description": "The throughput of Go's memory allocator.", "fill": 1, "gridPos": { "h": 7, "w": 12, - "x": 0, - "y": 15 + "x": 12, + "y": 22 }, - "id": 12, + "id": 16, "legend": { "alignAsTable": false, "avg": false, @@ -599,8 +606,16 @@ "renderer": "flot", "seriesOverrides": [ { - "alias": "threads", - "fill": 0, + "alias": "sweep", + "transform": "negative-Y" + }, + { + "alias": "alloc-ops", + "yaxis": 2 + }, + { + "alias": "swepp-ops", + "transform": "negative-Y", "yaxis": 2 } ], @@ -609,206 +624,39 @@ "steppedLine": false, "targets": [ { - "expr": " go_goroutines{instance=~\"$instance\"}", + "expr": "irate(go_memstats_alloc_bytes_total{instance=~\"$instance\"}[30s])", "format": "time_series", "intervalFactor": 1, - "legendFormat": "goroutines", + "legendFormat": "alloc", "refId": "A" }, { - "expr": "go_threads{instance=~\"$instance\"}", + "expr": "irate((go_memstats_alloc_bytes_total{instance=~\"$instance\"} - go_memstats_heap_alloc_bytes{instance=~\"$instance\"})[30s:])", "format": "time_series", "intervalFactor": 1, - "legendFormat": "threads", + "legendFormat": "sweep", "refId": "B" - } - ], - "thresholds": [], - "timeFrom": null, - "timeRegions": [], - "timeShift": null, - "title": "Goroutine Count", - "tooltip": { - "shared": true, - "sort": 0, - "value_type": "individual" - }, - "type": "graph", - "xaxis": { - "buckets": null, - "mode": "time", - "name": null, - "show": true, - "values": [] - }, - "yaxes": [ - { - "format": "short", - "label": null, - "logBase": 1, - "max": null, - "min": null, - "show": true }, { - "format": "short", - "label": null, - "logBase": 1, - "max": null, - "min": null, - "show": true - } - ], - "yaxis": { - "align": false, - "alignLevel": null - } - }, - { - "aliasColors": {}, - "bars": false, - "dashLength": 10, - "dashes": false, - "datasource": "${DS_TEST-CLUSTER}", - "description": "The CPU time (aggregated) used by grabage collector.", - "editable": true, - "error": false, - "fill": 1, - "grid": {}, - "gridPos": { - "h": 7, - "w": 12, - "x": 12, - "y": 15 - }, - "id": 14, - "legend": { - "alignAsTable": false, - "avg": false, - "current": true, - "max": true, - "min": false, - "rightSide": false, - "show": true, - "total": false, - "values": true - }, - "lines": true, - "linewidth": 1, - "links": [], - "nullPointMode": "null as zero", - "percentage": false, - "pointradius": 5, - "points": false, - "renderer": "flot", - "seriesOverrides": [], - "spaceLength": 10, - "stack": false, - "steppedLine": false, - "targets": [ - { - "expr": "(idelta((go_memstats_gc_cpu_fraction{instance=~\"$instance\"} * (go_memstats_last_gc_time_seconds{instance=~\"$instance\"} - process_start_time_seconds{instance=~\"$instance\"}) * tidb_server_maxprocs{instance=~\"$instance\"})[30s:]) / idelta(go_gc_duration_seconds_count{instance=~\"$instance\"}[30s])) > 0", + "expr": "irate(go_memstats_mallocs_total{instance=~\"$instance\"}[30s])", "format": "time_series", - "hide": false, "intervalFactor": 1, - "legendFormat": "cpu-time", - "refId": "B" - } - ], - "thresholds": [], - "timeFrom": null, - "timeRegions": [], - "timeShift": null, - "title": "GC CPU Time", - "tooltip": { - "msResolution": false, - "shared": true, - "sort": 0, - "value_type": "individual" - }, - "type": "graph", - "xaxis": { - "buckets": null, - "mode": "time", - "name": null, - "show": true, - "values": [] - }, - "yaxes": [ - { - "format": "s", - "label": null, - "logBase": 1, - "max": null, - "min": "0", - "show": true + "legendFormat": "alloc-ops", + "refId": "C" }, { - "format": "none", - "label": null, - "logBase": 1, - "max": null, - "min": null, - "show": true - } - ], - "yaxis": { - "align": false, - "alignLevel": null - } - }, - { - "aliasColors": {}, - "bars": true, - "dashLength": 10, - "dashes": false, - "datasource": "${DS_TEST-CLUSTER}", - "description": "The Go garbage collection counts in the last 15s", - "fill": 1, - "gridPos": { - "h": 7, - "w": 12, - "x": 0, - "y": 22 - }, - "id": 10, - "legend": { - "alignAsTable": false, - "avg": false, - "current": true, - "max": true, - "min": false, - "rightSide": false, - "show": true, - "total": false, - "values": true - }, - "lines": false, - "linewidth": 1, - "links": [], - "nullPointMode": "null", - "percentage": false, - "pointradius": 5, - "points": false, - "renderer": "flot", - "seriesOverrides": [], - "spaceLength": 10, - "stack": false, - "steppedLine": false, - "targets": [ - { - "expr": "idelta(go_gc_duration_seconds_count{instance=~\"$instance\"}[30s]) > 0", + "expr": "irate(go_memstats_frees_total{instance=~\"$instance\"}[30s])", "format": "time_series", "intervalFactor": 1, - "legendFormat": "count", - "refId": "A" + "legendFormat": "swepp-ops", + "refId": "D" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, - "title": "GC Count (in the last 15s)", + "title": "Allocator Throughput", "tooltip": { "shared": true, "sort": 0, @@ -824,7 +672,7 @@ }, "yaxes": [ { - "format": "none", + "format": "Bps", "label": null, "logBase": 1, "max": null, @@ -832,7 +680,7 @@ "show": true }, { - "format": "short", + "format": "ops", "label": null, "logBase": 1, "max": null, @@ -841,7 +689,7 @@ } ], "yaxis": { - "align": false, + "align": true, "alignLevel": null } }, @@ -851,15 +699,15 @@ "dashLength": 10, "dashes": false, "datasource": "${DS_TEST-CLUSTER}", - "description": "The throughput of Go's memory allocator.", + "description": "TiDB process current goroutines count", "fill": 1, "gridPos": { "h": 7, "w": 12, - "x": 12, - "y": 22 + "x": 0, + "y": 15 }, - "id": 16, + "id": 12, "legend": { "alignAsTable": false, "avg": false, @@ -881,16 +729,8 @@ "renderer": "flot", "seriesOverrides": [ { - "alias": "sweep", - "transform": "negative-Y" - }, - { - "alias": "alloc-ops", - "yaxis": 2 - }, - { - "alias": "swepp-ops", - "transform": "negative-Y", + "alias": "threads", + "fill": 0, "yaxis": 2 } ], @@ -899,39 +739,25 @@ "steppedLine": false, "targets": [ { - "expr": "irate(go_memstats_alloc_bytes_total{instance=~\"$instance\"}[30s])", + "expr": " go_goroutines{instance=~\"$instance\"}", "format": "time_series", "intervalFactor": 1, - "legendFormat": "alloc", + "legendFormat": "goroutines", "refId": "A" }, { - "expr": "irate((go_memstats_alloc_bytes_total{instance=~\"$instance\"} - go_memstats_heap_alloc_bytes{instance=~\"$instance\"})[30s:])", + "expr": "go_threads{instance=~\"$instance\"}", "format": "time_series", "intervalFactor": 1, - "legendFormat": "sweep", + "legendFormat": "threads", "refId": "B" - }, - { - "expr": "irate(go_memstats_mallocs_total{instance=~\"$instance\"}[30s])", - "format": "time_series", - "intervalFactor": 1, - "legendFormat": "alloc-ops", - "refId": "C" - }, - { - "expr": "irate(go_memstats_frees_total{instance=~\"$instance\"}[30s])", - "format": "time_series", - "intervalFactor": 1, - "legendFormat": "swepp-ops", - "refId": "D" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, - "title": "Allocator Throughput", + "title": "Goroutine Count", "tooltip": { "shared": true, "sort": 0, @@ -947,7 +773,7 @@ }, "yaxes": [ { - "format": "Bps", + "format": "short", "label": null, "logBase": 1, "max": null, @@ -955,7 +781,7 @@ "show": true }, { - "format": "ops", + "format": "short", "label": null, "logBase": 1, "max": null, @@ -964,7 +790,7 @@ } ], "yaxis": { - "align": true, + "align": false, "alignLevel": null } }, From 91db54ef8ef3ca56531c834c2a6fb37b0907d2db Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Wed, 28 Oct 2020 11:36:03 +0800 Subject: [PATCH 0098/1021] ddl: Support multiple table rename (#19962) --- ddl/db_test.go | 104 +++++++++++++++++++++++++-- ddl/ddl.go | 1 + ddl/ddl_api.go | 133 ++++++++++++++++++++++++++++------- ddl/ddl_worker.go | 24 +++++++ ddl/failtest/fail_db_test.go | 11 ++- ddl/rollingback.go | 2 +- ddl/table.go | 82 +++++++++++++++------ executor/ddl.go | 23 ++++-- executor/ddl_test.go | 54 ++++++++++++++ go.mod | 2 +- go.sum | 5 +- infoschema/builder.go | 2 +- planner/core/planbuilder.go | 24 +++---- planner/core/preprocess.go | 4 +- 14 files changed, 391 insertions(+), 80 deletions(-) diff --git a/ddl/db_test.go b/ddl/db_test.go index 829a8efc6ceb6..0f4065f0f84a4 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -3299,14 +3299,108 @@ func (s *testDBSuite1) TestRenameMultiTables(c *C) { tk.MustExec("use test") tk.MustExec("create table t1(id int)") tk.MustExec("create table t2(id int)") - // Currently it will fail only. sql := fmt.Sprintf("rename table t1 to t3, t2 to t4") _, err := tk.Exec(sql) - c.Assert(err, NotNil) - originErr := errors.Cause(err) - c.Assert(originErr.Error(), Equals, "can't run multi schema change") + c.Assert(err, IsNil) + + tk.MustExec("drop table t3, t4") + + tk.MustExec("create table t1 (c1 int, c2 int)") + tk.MustExec("create table t2 (c1 int, c2 int)") + tk.MustExec("insert t1 values (1, 1), (2, 2)") + tk.MustExec("insert t2 values (1, 1), (2, 2)") + ctx := tk.Se.(sessionctx.Context) + is := domain.GetDomain(ctx).InfoSchema() + oldTblInfo1, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t1")) + c.Assert(err, IsNil) + oldTblID1 := oldTblInfo1.Meta().ID + oldTblInfo2, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t2")) + c.Assert(err, IsNil) + oldTblID2 := oldTblInfo2.Meta().ID + tk.MustExec("create database test1") + tk.MustExec("use test1") + tk.MustExec("rename table test.t1 to test1.t1, test.t2 to test1.t2") + is = domain.GetDomain(ctx).InfoSchema() + newTblInfo1, err := is.TableByName(model.NewCIStr("test1"), model.NewCIStr("t1")) + c.Assert(err, IsNil) + c.Assert(newTblInfo1.Meta().ID, Equals, oldTblID1) + newTblInfo2, err := is.TableByName(model.NewCIStr("test1"), model.NewCIStr("t2")) + c.Assert(err, IsNil) + c.Assert(newTblInfo2.Meta().ID, Equals, oldTblID2) + tk.MustQuery("select * from t1").Check(testkit.Rows("1 1", "2 2")) + tk.MustQuery("select * from t2").Check(testkit.Rows("1 1", "2 2")) + + // Make sure t1,t2 doesn't exist. + isExist := is.TableExists(model.NewCIStr("test"), model.NewCIStr("t1")) + c.Assert(isExist, IsFalse) + isExist = is.TableExists(model.NewCIStr("test"), model.NewCIStr("t2")) + c.Assert(isExist, IsFalse) + + // for the same database + tk.MustExec("use test1") + tk.MustExec("rename table test1.t1 to test1.t3, test1.t2 to test1.t4") + is = domain.GetDomain(ctx).InfoSchema() + newTblInfo1, err = is.TableByName(model.NewCIStr("test1"), model.NewCIStr("t3")) + c.Assert(err, IsNil) + c.Assert(newTblInfo1.Meta().ID, Equals, oldTblID1) + newTblInfo2, err = is.TableByName(model.NewCIStr("test1"), model.NewCIStr("t4")) + c.Assert(err, IsNil) + c.Assert(newTblInfo2.Meta().ID, Equals, oldTblID2) + tk.MustQuery("select * from t3").Check(testkit.Rows("1 1", "2 2")) + isExist = is.TableExists(model.NewCIStr("test1"), model.NewCIStr("t1")) + c.Assert(isExist, IsFalse) + tk.MustQuery("select * from t4").Check(testkit.Rows("1 1", "2 2")) + isExist = is.TableExists(model.NewCIStr("test1"), model.NewCIStr("t2")) + c.Assert(isExist, IsFalse) + tk.MustQuery("show tables").Check(testkit.Rows("t3", "t4")) - tk.MustExec("drop table t1, t2") + // for multi tables same database + tk.MustExec("create table t5 (c1 int, c2 int)") + tk.MustExec("insert t5 values (1, 1), (2, 2)") + is = domain.GetDomain(ctx).InfoSchema() + oldTblInfo3, err := is.TableByName(model.NewCIStr("test1"), model.NewCIStr("t5")) + c.Assert(err, IsNil) + oldTblID3 := oldTblInfo3.Meta().ID + tk.MustExec("rename table test1.t3 to test1.t1, test1.t4 to test1.t2, test1.t5 to test1.t3") + is = domain.GetDomain(ctx).InfoSchema() + newTblInfo1, err = is.TableByName(model.NewCIStr("test1"), model.NewCIStr("t1")) + c.Assert(err, IsNil) + c.Assert(newTblInfo1.Meta().ID, Equals, oldTblID1) + newTblInfo2, err = is.TableByName(model.NewCIStr("test1"), model.NewCIStr("t2")) + c.Assert(err, IsNil) + c.Assert(newTblInfo2.Meta().ID, Equals, oldTblID2) + newTblInfo3, err := is.TableByName(model.NewCIStr("test1"), model.NewCIStr("t3")) + c.Assert(err, IsNil) + c.Assert(newTblInfo3.Meta().ID, Equals, oldTblID3) + tk.MustQuery("show tables").Check(testkit.Rows("t1", "t2", "t3")) + + // for multi tables different databases + tk.MustExec("use test") + tk.MustExec("rename table test1.t1 to test.t2, test1.t2 to test.t3, test1.t3 to test.t4") + is = domain.GetDomain(ctx).InfoSchema() + newTblInfo1, err = is.TableByName(model.NewCIStr("test"), model.NewCIStr("t2")) + c.Assert(err, IsNil) + c.Assert(newTblInfo1.Meta().ID, Equals, oldTblID1) + newTblInfo2, err = is.TableByName(model.NewCIStr("test"), model.NewCIStr("t3")) + c.Assert(err, IsNil) + c.Assert(newTblInfo2.Meta().ID, Equals, oldTblID2) + newTblInfo3, err = is.TableByName(model.NewCIStr("test"), model.NewCIStr("t4")) + c.Assert(err, IsNil) + c.Assert(newTblInfo3.Meta().ID, Equals, oldTblID3) + tk.MustQuery("show tables").Check(testkit.Rows("t2", "t3", "t4")) + + // for failure case + failSQL := "rename table test_not_exist.t to test_not_exist.t, test_not_exist.t to test_not_exist.t" + tk.MustGetErrCode(failSQL, errno.ErrFileNotFound) + failSQL = "rename table test.test_not_exist to test.test_not_exist, test.test_not_exist to test.test_not_exist" + tk.MustGetErrCode(failSQL, errno.ErrFileNotFound) + failSQL = "rename table test.t_not_exist to test_not_exist.t, test.t_not_exist to test_not_exist.t" + tk.MustGetErrCode(failSQL, errno.ErrFileNotFound) + failSQL = "rename table test1.t2 to test_not_exist.t, test1.t2 to test_not_exist.t" + tk.MustGetErrCode(failSQL, errno.ErrFileNotFound) + + tk.MustExec("drop database test1") + tk.MustExec("drop database test") } func (s *testDBSuite2) TestAddNotNullColumn(c *C) { diff --git a/ddl/ddl.go b/ddl/ddl.go index 6d09b6908bee1..03890a12e97cc 100644 --- a/ddl/ddl.go +++ b/ddl/ddl.go @@ -105,6 +105,7 @@ type DDL interface { AlterTable(ctx sessionctx.Context, tableIdent ast.Ident, spec []*ast.AlterTableSpec) error TruncateTable(ctx sessionctx.Context, tableIdent ast.Ident) error RenameTable(ctx sessionctx.Context, oldTableIdent, newTableIdent ast.Ident, isAlterTable bool) error + RenameTables(ctx sessionctx.Context, oldTableIdent, newTableIdent []ast.Ident, isAlterTable bool) error LockTables(ctx sessionctx.Context, stmt *ast.LockTablesStmt) error UnlockTables(ctx sessionctx.Context, lockedTables []model.TableLockTpInfo) error CleanupTableLock(ctx sessionctx.Context, tables []*ast.TableName) error diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index ea6359cee6a65..60637350c00f0 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -66,6 +66,7 @@ const ( expressionIndexPrefix = "_V$" changingColumnPrefix = "_Col$_" changingIndexPrefix = "_Idx$_" + tableNotExist = -1 ) func (d *ddl) CreateSchema(ctx sessionctx.Context, schema model.CIStr, charsetInfo *ast.CharsetOpt) error { @@ -4480,57 +4481,137 @@ func (d *ddl) TruncateTable(ctx sessionctx.Context, ti ast.Ident) error { func (d *ddl) RenameTable(ctx sessionctx.Context, oldIdent, newIdent ast.Ident, isAlterTable bool) error { is := d.GetInfoSchemaWithInterceptor(ctx) + tables := make(map[string]int64) + schemas, tableID, err := extractTblInfos(is, oldIdent, newIdent, isAlterTable, tables) + if err != nil { + return err + } + + if schemas == nil { + return nil + } + + job := &model.Job{ + SchemaID: schemas[1].ID, + TableID: tableID, + SchemaName: schemas[1].Name.L, + Type: model.ActionRenameTable, + BinlogInfo: &model.HistoryInfo{}, + Args: []interface{}{schemas[0].ID, newIdent.Name}, + } + + err = d.doDDLJob(ctx, job) + err = d.callHookOnChanged(err) + return errors.Trace(err) +} + +func (d *ddl) RenameTables(ctx sessionctx.Context, oldIdents, newIdents []ast.Ident, isAlterTable bool) error { + is := d.GetInfoSchemaWithInterceptor(ctx) + tableNames := make([]*model.CIStr, 0, len(oldIdents)) + oldSchemaIDs := make([]int64, 0, len(oldIdents)) + newSchemaIDs := make([]int64, 0, len(oldIdents)) + tableIDs := make([]int64, 0, len(oldIdents)) + + var schemas []*model.DBInfo + var tableID int64 + var err error + + tables := make(map[string]int64) + for i := 0; i < len(oldIdents); i++ { + schemas, tableID, err = extractTblInfos(is, oldIdents[i], newIdents[i], isAlterTable, tables) + if err != nil { + return err + } + tableIDs = append(tableIDs, tableID) + tableNames = append(tableNames, &newIdents[i].Name) + oldSchemaIDs = append(oldSchemaIDs, schemas[0].ID) + newSchemaIDs = append(newSchemaIDs, schemas[1].ID) + } + + job := &model.Job{ + SchemaID: schemas[1].ID, + TableID: tableIDs[0], + SchemaName: schemas[1].Name.L, + Type: model.ActionRenameTables, + BinlogInfo: &model.HistoryInfo{}, + Args: []interface{}{oldSchemaIDs, newSchemaIDs, tableNames, tableIDs}, + } + + err = d.doDDLJob(ctx, job) + err = d.callHookOnChanged(err) + return errors.Trace(err) +} + +func extractTblInfos(is infoschema.InfoSchema, oldIdent, newIdent ast.Ident, isAlterTable bool, tables map[string]int64) ([]*model.DBInfo, int64, error) { oldSchema, ok := is.SchemaByName(oldIdent.Schema) if !ok { if isAlterTable { - return infoschema.ErrTableNotExists.GenWithStackByArgs(oldIdent.Schema, oldIdent.Name) + return nil, 0, infoschema.ErrTableNotExists.GenWithStackByArgs(oldIdent.Schema, oldIdent.Name) } - if is.TableExists(newIdent.Schema, newIdent.Name) { - return infoschema.ErrTableExists.GenWithStackByArgs(newIdent) + if tableExists(is, newIdent, tables) { + return nil, 0, infoschema.ErrTableExists.GenWithStackByArgs(newIdent) } - return errFileNotFound.GenWithStackByArgs(oldIdent.Schema, oldIdent.Name) + return nil, 0, errFileNotFound.GenWithStackByArgs(oldIdent.Schema, oldIdent.Name) } - oldTbl, err := is.TableByName(oldIdent.Schema, oldIdent.Name) - if err != nil { + if !tableExists(is, oldIdent, tables) { if isAlterTable { - return infoschema.ErrTableNotExists.GenWithStackByArgs(oldIdent.Schema, oldIdent.Name) + return nil, 0, infoschema.ErrTableNotExists.GenWithStackByArgs(oldIdent.Schema, oldIdent.Name) } - if is.TableExists(newIdent.Schema, newIdent.Name) { - return infoschema.ErrTableExists.GenWithStackByArgs(newIdent) + if tableExists(is, newIdent, tables) { + return nil, 0, infoschema.ErrTableExists.GenWithStackByArgs(newIdent) } - return errFileNotFound.GenWithStackByArgs(oldIdent.Schema, oldIdent.Name) + return nil, 0, errFileNotFound.GenWithStackByArgs(oldIdent.Schema, oldIdent.Name) } if isAlterTable && newIdent.Schema.L == oldIdent.Schema.L && newIdent.Name.L == oldIdent.Name.L { - // oldIdent is equal to newIdent, do nothing - return nil + //oldIdent is equal to newIdent, do nothing + return nil, 0, nil } newSchema, ok := is.SchemaByName(newIdent.Schema) if !ok { - return ErrErrorOnRename.GenWithStackByArgs( + return nil, 0, ErrErrorOnRename.GenWithStackByArgs( fmt.Sprintf("%s.%s", oldIdent.Schema, oldIdent.Name), fmt.Sprintf("%s.%s", newIdent.Schema, newIdent.Name), 168, fmt.Sprintf("Database `%s` doesn't exist", newIdent.Schema)) } - if is.TableExists(newIdent.Schema, newIdent.Name) { - return infoschema.ErrTableExists.GenWithStackByArgs(newIdent) + if tableExists(is, newIdent, tables) { + return nil, 0, infoschema.ErrTableExists.GenWithStackByArgs(newIdent) } if err := checkTooLongTable(newIdent.Name); err != nil { - return errors.Trace(err) + return nil, 0, errors.Trace(err) } + oldTableID := getTableID(is, oldIdent, tables) + oldIdentKey := getIdentKey(oldIdent) + tables[oldIdentKey] = tableNotExist + newIdentKey := getIdentKey(newIdent) + tables[newIdentKey] = oldTableID + return []*model.DBInfo{oldSchema, newSchema}, oldTableID, nil +} - job := &model.Job{ - SchemaID: newSchema.ID, - TableID: oldTbl.Meta().ID, - SchemaName: newSchema.Name.L, - Type: model.ActionRenameTable, - BinlogInfo: &model.HistoryInfo{}, - Args: []interface{}{oldSchema.ID, newIdent.Name}, +func tableExists(is infoschema.InfoSchema, ident ast.Ident, tables map[string]int64) bool { + identKey := getIdentKey(ident) + tableID, ok := tables[identKey] + if (ok && tableID != tableNotExist) || (!ok && is.TableExists(ident.Schema, ident.Name)) { + return true } + return false +} - err = d.doDDLJob(ctx, job) - err = d.callHookOnChanged(err) - return errors.Trace(err) +func getTableID(is infoschema.InfoSchema, ident ast.Ident, tables map[string]int64) int64 { + identKey := getIdentKey(ident) + tableID, ok := tables[identKey] + if !ok { + oldTbl, err := is.TableByName(ident.Schema, ident.Name) + if err != nil { + return tableNotExist + } + tableID = oldTbl.Meta().ID + } + return tableID +} + +func getIdentKey(ident ast.Ident) string { + return fmt.Sprintf("%s.%s", ident.Schema.L, ident.Name.L) } func getAnonymousIndex(t table.Table, colName model.CIStr) model.CIStr { diff --git a/ddl/ddl_worker.go b/ddl/ddl_worker.go index d09170a89bbb7..6506506158ad4 100644 --- a/ddl/ddl_worker.go +++ b/ddl/ddl_worker.go @@ -688,6 +688,8 @@ func (w *worker) runDDLJob(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, ver, err = onAlterTablePartition(t, job) case model.ActionAlterSequence: ver, err = onAlterSequence(t, job) + case model.ActionRenameTables: + ver, err = onRenameTables(d, t, job) default: // Invalid job, cancel it. job.State = model.JobStateCancelled @@ -851,6 +853,28 @@ func updateSchemaVersion(t *meta.Meta, job *model.Job) (int64, error) { return 0, errors.Trace(err) } diff.TableID = job.TableID + case model.ActionRenameTables: + oldSchemaIDs := []int64{} + newSchemaIDs := []int64{} + tableNames := []*model.CIStr{} + tableIDs := []int64{} + err = job.DecodeArgs(&oldSchemaIDs, &newSchemaIDs, &tableNames, &tableIDs) + if err != nil { + return 0, errors.Trace(err) + } + affects := make([]*model.AffectedOption, len(newSchemaIDs)) + for i, newSchemaID := range newSchemaIDs { + affects[i] = &model.AffectedOption{ + SchemaID: newSchemaID, + TableID: tableIDs[i], + OldTableID: tableIDs[i], + OldSchemaID: oldSchemaIDs[i], + } + } + diff.TableID = tableIDs[0] + diff.SchemaID = newSchemaIDs[0] + diff.OldSchemaID = oldSchemaIDs[0] + diff.AffectedOpts = affects case model.ActionExchangeTablePartition: var ( ptSchemaID int64 diff --git a/ddl/failtest/fail_db_test.go b/ddl/failtest/fail_db_test.go index 3681a528d325d..701576dc644a1 100644 --- a/ddl/failtest/fail_db_test.go +++ b/ddl/failtest/fail_db_test.go @@ -119,7 +119,7 @@ func (s *testFailDBSuite) TestHalfwayCancelOperations(c *C) { // Test schema is correct. tk.MustExec("select * from t") // test for renaming table - c.Assert(failpoint.Enable("github.com/pingcap/tidb/ddl/renameTableErr", `return(true)`), IsNil) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/ddl/renameTableErr", `return("ty")`), IsNil) defer func() { c.Assert(failpoint.Disable("github.com/pingcap/tidb/ddl/renameTableErr"), IsNil) }() @@ -127,6 +127,15 @@ func (s *testFailDBSuite) TestHalfwayCancelOperations(c *C) { tk.MustExec("insert into tx values(1)") _, err = tk.Exec("rename table tx to ty") c.Assert(err, NotNil) + tk.MustExec("create table ty(a int)") + tk.MustExec("insert into ty values(2)") + _, err = tk.Exec("rename table ty to tz, tx to ty") + c.Assert(err, NotNil) + _, err = tk.Exec("select * from tz") + c.Assert(err, NotNil) + _, err = tk.Exec("rename table tx to ty, ty to tz") + c.Assert(err, NotNil) + tk.MustQuery("select * from ty").Check(testkit.Rows("2")) // Make sure that the table's data has not been deleted. tk.MustQuery("select * from tx").Check(testkit.Rows("1")) // Execute ddl statement reload schema. diff --git a/ddl/rollingback.go b/ddl/rollingback.go index 3aff3ed13f13b..ff0bfbc5b3d3e 100644 --- a/ddl/rollingback.go +++ b/ddl/rollingback.go @@ -437,7 +437,7 @@ func convertJob2RollbackJob(w *worker, d *ddlCtx, t *meta.Meta, job *model.Job) case model.ActionModifyColumn: ver, err = rollingbackModifyColumn(t, job) case model.ActionRebaseAutoID, model.ActionShardRowID, model.ActionAddForeignKey, - model.ActionDropForeignKey, model.ActionRenameTable, + model.ActionDropForeignKey, model.ActionRenameTable, model.ActionRenameTables, model.ActionModifyTableCharsetAndCollate, model.ActionTruncateTablePartition, model.ActionModifySchemaCharsetAndCollate, model.ActionRepairTable, model.ActionModifyTableAutoIdCache, model.ActionAlterIndexVisibility, diff --git a/ddl/table.go b/ddl/table.go index bbd29a546def7..37c123cdb1cb3 100644 --- a/ddl/table.go +++ b/ddl/table.go @@ -638,12 +638,8 @@ func onRenameTable(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, _ error) return ver, errors.Trace(err) } - tblInfo, err := getTableInfoAndCancelFaultJob(t, job, oldSchemaID) - if err != nil { - return ver, errors.Trace(err) - } newSchemaID := job.SchemaID - err = checkTableNotExists(d, t, newSchemaID, tableName.L) + err := checkTableNotExists(d, t, newSchemaID, tableName.L) if err != nil { if infoschema.ErrDatabaseNotExists.Equal(err) || infoschema.ErrTableExists.Equal(err) { job.State = model.JobStateCancelled @@ -651,6 +647,53 @@ func onRenameTable(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, _ error) return ver, errors.Trace(err) } + ver, tblInfo, err := checkAndRenameTables(t, job, oldSchemaID, job.SchemaID, &tableName) + if err != nil { + return ver, errors.Trace(err) + } + + ver, err = updateSchemaVersion(t, job) + if err != nil { + return ver, errors.Trace(err) + } + job.FinishTableJob(model.JobStateDone, model.StatePublic, ver, tblInfo) + return ver, nil +} + +func onRenameTables(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, _ error) { + oldSchemaIDs := []int64{} + newSchemaIDs := []int64{} + tableNames := []*model.CIStr{} + tableIDs := []int64{} + if err := job.DecodeArgs(&oldSchemaIDs, &newSchemaIDs, &tableNames, &tableIDs); err != nil { + job.State = model.JobStateCancelled + return ver, errors.Trace(err) + } + + tblInfo := &model.TableInfo{} + var err error + for i, oldSchemaID := range oldSchemaIDs { + job.TableID = tableIDs[i] + ver, tblInfo, err = checkAndRenameTables(t, job, oldSchemaID, newSchemaIDs[i], tableNames[i]) + if err != nil { + return ver, errors.Trace(err) + } + } + + ver, err = updateSchemaVersion(t, job) + if err != nil { + return ver, errors.Trace(err) + } + job.FinishTableJob(model.JobStateDone, model.StatePublic, ver, tblInfo) + return ver, nil +} + +func checkAndRenameTables(t *meta.Meta, job *model.Job, oldSchemaID int64, newSchemaID int64, tableName *model.CIStr) (ver int64, tblInfo *model.TableInfo, _ error) { + tblInfo, err := getTableInfoAndCancelFaultJob(t, job, oldSchemaID) + if err != nil { + return ver, tblInfo, errors.Trace(err) + } + var autoTableID int64 var autoRandID int64 shouldDelAutoID := false @@ -659,12 +702,12 @@ func onRenameTable(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, _ error) autoTableID, err = t.GetAutoTableID(tblInfo.GetDBID(oldSchemaID), tblInfo.ID) if err != nil { job.State = model.JobStateCancelled - return ver, errors.Trace(err) + return ver, tblInfo, errors.Trace(err) } autoRandID, err = t.GetAutoRandomID(tblInfo.GetDBID(oldSchemaID), tblInfo.ID) if err != nil { job.State = model.JobStateCancelled - return ver, errors.Trace(err) + return ver, tblInfo, errors.Trace(err) } // It's compatible with old version. // TODO: Remove it. @@ -674,42 +717,39 @@ func onRenameTable(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, _ error) err = t.DropTableOrView(oldSchemaID, tblInfo.ID, shouldDelAutoID) if err != nil { job.State = model.JobStateCancelled - return ver, errors.Trace(err) + return ver, tblInfo, errors.Trace(err) } failpoint.Inject("renameTableErr", func(val failpoint.Value) { - if val.(bool) { - job.State = model.JobStateCancelled - failpoint.Return(ver, errors.New("occur an error after renaming table")) + if valStr, ok := val.(string); ok { + if tableName.L == valStr { + job.State = model.JobStateCancelled + failpoint.Return(ver, tblInfo, errors.New("occur an error after renaming table")) + } } }) - tblInfo.Name = tableName + tblInfo.Name = *tableName err = t.CreateTableOrView(newSchemaID, tblInfo) if err != nil { job.State = model.JobStateCancelled - return ver, errors.Trace(err) + return ver, tblInfo, errors.Trace(err) } // Update the table's auto-increment ID. if newSchemaID != oldSchemaID { _, err = t.GenAutoTableID(newSchemaID, tblInfo.ID, autoTableID) if err != nil { job.State = model.JobStateCancelled - return ver, errors.Trace(err) + return ver, tblInfo, errors.Trace(err) } _, err = t.GenAutoRandomID(newSchemaID, tblInfo.ID, autoRandID) if err != nil { job.State = model.JobStateCancelled - return ver, errors.Trace(err) + return ver, tblInfo, errors.Trace(err) } } - ver, err = updateSchemaVersion(t, job) - if err != nil { - return ver, errors.Trace(err) - } - job.FinishTableJob(model.JobStateDone, model.StatePublic, ver, tblInfo) - return ver, nil + return ver, tblInfo, nil } func onModifyTableComment(t *meta.Meta, job *model.Job) (ver int64, _ error) { diff --git a/executor/ddl.go b/executor/ddl.go index e731d658c5d36..81e02f3d366c4 100644 --- a/executor/ddl.go +++ b/executor/ddl.go @@ -154,14 +154,23 @@ func (e *DDLExec) executeTruncateTable(s *ast.TruncateTableStmt) error { } func (e *DDLExec) executeRenameTable(s *ast.RenameTableStmt) error { - if len(s.TableToTables) != 1 { - // Now we only allow one schema changing at the same time. - return errors.Errorf("can't run multi schema change") - } - oldIdent := ast.Ident{Schema: s.OldTable.Schema, Name: s.OldTable.Name} - newIdent := ast.Ident{Schema: s.NewTable.Schema, Name: s.NewTable.Name} isAlterTable := false - err := domain.GetDomain(e.ctx).DDL().RenameTable(e.ctx, oldIdent, newIdent, isAlterTable) + var err error + if len(s.TableToTables) == 1 { + oldIdent := ast.Ident{Schema: s.TableToTables[0].OldTable.Schema, Name: s.TableToTables[0].OldTable.Name} + newIdent := ast.Ident{Schema: s.TableToTables[0].NewTable.Schema, Name: s.TableToTables[0].NewTable.Name} + err = domain.GetDomain(e.ctx).DDL().RenameTable(e.ctx, oldIdent, newIdent, isAlterTable) + } else { + oldIdents := make([]ast.Ident, 0, len(s.TableToTables)) + newIdents := make([]ast.Ident, 0, len(s.TableToTables)) + for _, tables := range s.TableToTables { + oldIdent := ast.Ident{Schema: tables.OldTable.Schema, Name: tables.OldTable.Name} + newIdent := ast.Ident{Schema: tables.NewTable.Schema, Name: tables.NewTable.Name} + oldIdents = append(oldIdents, oldIdent) + newIdents = append(newIdents, newIdent) + } + err = domain.GetDomain(e.ctx).DDL().RenameTables(e.ctx, oldIdents, newIdents, isAlterTable) + } return err } diff --git a/executor/ddl_test.go b/executor/ddl_test.go index eca31b0c5c525..7401b9e69acb9 100644 --- a/executor/ddl_test.go +++ b/executor/ddl_test.go @@ -30,6 +30,7 @@ import ( ddltestutil "github.com/pingcap/tidb/ddl/testutil" ddlutil "github.com/pingcap/tidb/ddl/util" "github.com/pingcap/tidb/domain" + "github.com/pingcap/tidb/errno" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/meta" @@ -1439,3 +1440,56 @@ func (s *testSuite6) TestAutoIncrementColumnErrorMessage(c *C) { _, err = tk.Exec("CREATE INDEX idx1 ON t1 ((t1_id + t1_id));") c.Assert(err.Error(), Equals, ddl.ErrExpressionIndexCanNotRefer.GenWithStackByArgs("idx1").Error()) } + +func (s *testRecoverTable) TestRenameMultiTables(c *C) { + c.Assert(failpoint.Enable("github.com/pingcap/tidb/meta/autoid/mockAutoIDChange", `return(true)`), IsNil) + defer func() { + c.Assert(failpoint.Disable("github.com/pingcap/tidb/meta/autoid/mockAutoIDChange"), IsNil) + }() + tk := testkit.NewTestKit(c, s.store) + + tk.MustExec("create database rename1") + tk.MustExec("create database rename2") + tk.MustExec("create database rename3") + tk.MustExec("create database rename4") + tk.MustExec("create table rename1.t1 (a int primary key auto_increment)") + tk.MustExec("create table rename3.t3 (a int primary key auto_increment)") + tk.MustExec("insert rename1.t1 values ()") + tk.MustExec("insert rename3.t3 values ()") + tk.MustExec("rename table rename1.t1 to rename2.t2, rename3.t3 to rename4.t4") + // Make sure the drop old database doesn't affect t2,t4's operations. + tk.MustExec("drop database rename1") + tk.MustExec("insert rename2.t2 values ()") + tk.MustExec("drop database rename3") + tk.MustExec("insert rename4.t4 values ()") + tk.MustQuery("select * from rename2.t2").Check(testkit.Rows("1", "2")) + tk.MustQuery("select * from rename4.t4").Check(testkit.Rows("1", "2")) + // Rename a table to another table in the same database. + tk.MustExec("rename table rename2.t2 to rename2.t1, rename4.t4 to rename4.t3") + tk.MustExec("insert rename2.t1 values ()") + tk.MustQuery("select * from rename2.t1").Check(testkit.Rows("1", "2", "3")) + tk.MustExec("insert rename4.t3 values ()") + tk.MustQuery("select * from rename4.t3").Check(testkit.Rows("1", "2", "3")) + tk.MustExec("drop database rename2") + tk.MustExec("drop database rename4") + + tk.MustExec("create database rename1") + tk.MustExec("create database rename2") + tk.MustExec("create database rename3") + tk.MustExec("create table rename1.t1 (a int primary key auto_increment)") + tk.MustExec("create table rename3.t3 (a int primary key auto_increment)") + tk.MustGetErrCode("rename table rename1.t1 to rename2.t2, rename3.t3 to rename2.t2", errno.ErrTableExists) + tk.MustExec("rename table rename1.t1 to rename2.t2, rename2.t2 to rename1.t1") + tk.MustExec("rename table rename1.t1 to rename2.t2, rename3.t3 to rename1.t1") + tk.MustExec("use rename1") + tk.MustQuery("show tables").Check(testkit.Rows("t1")) + tk.MustExec("use rename2") + tk.MustQuery("show tables").Check(testkit.Rows("t2")) + tk.MustExec("use rename3") + tk.MustExec("create table rename3.t3 (a int primary key auto_increment)") + tk.MustGetErrCode("rename table rename1.t1 to rename1.t2, rename1.t1 to rename3.t3", errno.ErrTableExists) + tk.MustGetErrCode("rename table rename1.t1 to rename1.t2, rename1.t1 to rename3.t4", errno.ErrFileNotFound) + tk.MustExec("drop database rename1") + tk.MustExec("drop database rename2") + tk.MustExec("drop database rename3") +} diff --git a/go.mod b/go.mod index 874de0aca9220..33f4eb4cf4a66 100644 --- a/go.mod +++ b/go.mod @@ -53,7 +53,7 @@ require ( github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20201023092649-e6d6090277c9 github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 - github.com/pingcap/parser v0.0.0-20201024025010-3b2fb4b41d73 + github.com/pingcap/parser v0.0.0-20201028030005-1328d877c9f3 github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f diff --git a/go.sum b/go.sum index d5e8e788366bb..97cfe37d0baf2 100644 --- a/go.sum +++ b/go.sum @@ -446,8 +446,8 @@ github.com/pingcap/log v0.0.0-20200117041106-d28c14d3b1cd/go.mod h1:4rbK1p9ILyIf github.com/pingcap/log v0.0.0-20200511115504-543df19646ad/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 h1:Jboj+s4jSCp5E1WDgmRUv5rIFKFHaaSWuSZ4wMwXIcc= github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= -github.com/pingcap/parser v0.0.0-20201024025010-3b2fb4b41d73 h1:MN/e9n6GUBmmi6sKtriW0Dv1dfIohZRoKr/ZU1B4jrM= -github.com/pingcap/parser v0.0.0-20201024025010-3b2fb4b41d73/go.mod h1:74+OEdwM4B/jMpBRl92ch6CSmSYkQtv2TNxIjFdT/GE= +github.com/pingcap/parser v0.0.0-20201028030005-1328d877c9f3 h1:dfdPB1Ot9cNki/hVUgWFUiM8b05b5JCw7Oq9x6HaDeM= +github.com/pingcap/parser v0.0.0-20201028030005-1328d877c9f3/go.mod h1:74+OEdwM4B/jMpBRl92ch6CSmSYkQtv2TNxIjFdT/GE= github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a h1:i2RElJ2aykSqZKeY+3SK18NHhajil8cQdG77wHe+P1Y= github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= @@ -495,7 +495,6 @@ github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM= github.com/sasha-s/go-deadlock v0.2.0/go.mod h1:StQn567HiB1fF2yJ44N9au7wOhrPS3iZqiDbRupzT10= github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0= -github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44 h1:tB9NOR21++IjLyVx3/PCPhWMwqGNCMQEH96A6dMZ/gc= github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= github.com/shirou/gopsutil v2.19.10+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA= github.com/shirou/gopsutil v2.20.3+incompatible h1:0JVooMPsT7A7HqEYdydp/OfjSOYSjhXV7w1hkKj/NPQ= diff --git a/infoschema/builder.go b/infoschema/builder.go index 4573d1ee2a01e..cc3fd22093ac1 100644 --- a/infoschema/builder.go +++ b/infoschema/builder.go @@ -94,7 +94,7 @@ func (b *Builder) ApplyDiff(m *meta.Meta, diff *model.SchemaDiff) ([]int64, erro } tmpIDs := tblIDs - if diff.Type == model.ActionRenameTable && diff.OldSchemaID != diff.SchemaID { + if (diff.Type == model.ActionRenameTable || diff.Type == model.ActionRenameTables) && diff.OldSchemaID != diff.SchemaID { oldRoDBInfo, ok := b.is.SchemaByID(diff.OldSchemaID) if !ok { return nil, ErrDatabaseNotExists.GenWithStackByArgs( diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index 498c25e3cd59a..9eebcf1d65570 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -3108,31 +3108,31 @@ func (b *PlanBuilder) buildDDL(ctx context.Context, node ast.DDLNode) (Plan, err case *ast.RenameTableStmt: if b.ctx.GetSessionVars().User != nil { authErr = ErrTableaccessDenied.GenWithStackByArgs("ALTER", b.ctx.GetSessionVars().User.AuthUsername, - b.ctx.GetSessionVars().User.AuthHostname, v.OldTable.Name.L) + b.ctx.GetSessionVars().User.AuthHostname, v.TableToTables[0].OldTable.Name.L) } - b.visitInfo = appendVisitInfo(b.visitInfo, mysql.AlterPriv, v.OldTable.Schema.L, - v.OldTable.Name.L, "", authErr) + b.visitInfo = appendVisitInfo(b.visitInfo, mysql.AlterPriv, v.TableToTables[0].OldTable.Schema.L, + v.TableToTables[0].OldTable.Name.L, "", authErr) if b.ctx.GetSessionVars().User != nil { authErr = ErrTableaccessDenied.GenWithStackByArgs("DROP", b.ctx.GetSessionVars().User.AuthUsername, - b.ctx.GetSessionVars().User.AuthHostname, v.OldTable.Name.L) + b.ctx.GetSessionVars().User.AuthHostname, v.TableToTables[0].OldTable.Name.L) } - b.visitInfo = appendVisitInfo(b.visitInfo, mysql.DropPriv, v.OldTable.Schema.L, - v.OldTable.Name.L, "", authErr) + b.visitInfo = appendVisitInfo(b.visitInfo, mysql.DropPriv, v.TableToTables[0].OldTable.Schema.L, + v.TableToTables[0].OldTable.Name.L, "", authErr) if b.ctx.GetSessionVars().User != nil { authErr = ErrTableaccessDenied.GenWithStackByArgs("CREATE", b.ctx.GetSessionVars().User.AuthUsername, - b.ctx.GetSessionVars().User.AuthHostname, v.NewTable.Name.L) + b.ctx.GetSessionVars().User.AuthHostname, v.TableToTables[0].NewTable.Name.L) } - b.visitInfo = appendVisitInfo(b.visitInfo, mysql.CreatePriv, v.NewTable.Schema.L, - v.NewTable.Name.L, "", authErr) + b.visitInfo = appendVisitInfo(b.visitInfo, mysql.CreatePriv, v.TableToTables[0].NewTable.Schema.L, + v.TableToTables[0].NewTable.Name.L, "", authErr) if b.ctx.GetSessionVars().User != nil { authErr = ErrTableaccessDenied.GenWithStackByArgs("INSERT", b.ctx.GetSessionVars().User.AuthUsername, - b.ctx.GetSessionVars().User.AuthHostname, v.NewTable.Name.L) + b.ctx.GetSessionVars().User.AuthHostname, v.TableToTables[0].NewTable.Name.L) } - b.visitInfo = appendVisitInfo(b.visitInfo, mysql.InsertPriv, v.NewTable.Schema.L, - v.NewTable.Name.L, "", authErr) + b.visitInfo = appendVisitInfo(b.visitInfo, mysql.InsertPriv, v.TableToTables[0].NewTable.Schema.L, + v.TableToTables[0].NewTable.Name.L, "", authErr) case *ast.RecoverTableStmt, *ast.FlashBackTableStmt: // Recover table command can only be executed by administrator. b.visitInfo = appendVisitInfo(b.visitInfo, mysql.SuperPriv, "", "", "", nil) diff --git a/planner/core/preprocess.go b/planner/core/preprocess.go index eb5cbad22d13e..08796ef2dd371 100644 --- a/planner/core/preprocess.go +++ b/planner/core/preprocess.go @@ -665,8 +665,8 @@ func (p *preprocessor) checkStatisticsOpGrammar(node ast.Node) { } func (p *preprocessor) checkRenameTableGrammar(stmt *ast.RenameTableStmt) { - oldTable := stmt.OldTable.Name.String() - newTable := stmt.NewTable.Name.String() + oldTable := stmt.TableToTables[0].OldTable.Name.String() + newTable := stmt.TableToTables[0].NewTable.Name.String() p.checkRenameTable(oldTable, newTable) } From fd84a91895d513d8acea1dac805c0381dba4091f Mon Sep 17 00:00:00 2001 From: Yilin Chen Date: Wed, 28 Oct 2020 11:48:34 +0800 Subject: [PATCH 0099/1021] ddl, tikv: add delay during AddIndex DDL and remove schema check for async commit (#20550) --- config/config.go | 9 +++ ddl/ddl_test.go | 2 + ddl/failtest/fail_db_test.go | 5 ++ ddl/reorg.go | 12 +++ executor/executor_test.go | 2 + executor/seqtest/seq_executor_test.go | 4 + expression/evaluator_test.go | 6 ++ session/pessimistic_test.go | 51 +++++++++--- session/tidb_test.go | 5 ++ statistics/statistics_test.go | 5 ++ store/tikv/2pc.go | 109 ++++++++++++++------------ store/tikv/async_commit_test.go | 2 +- store/tikv/lock_resolver.go | 10 --- store/tikv/prewrite.go | 1 + store/tikv/region_cache.go | 4 +- store/tikv/region_request_test.go | 2 +- store/tikv/snapshot.go | 5 ++ util/admin/admin_test.go | 5 ++ 18 files changed, 164 insertions(+), 75 deletions(-) diff --git a/config/config.go b/config/config.go index 9c94faa883d0b..3e71029921b93 100644 --- a/config/config.go +++ b/config/config.go @@ -529,6 +529,13 @@ type AsyncCommit struct { KeysLimit uint `toml:"keys-limit" json:"keys-limit"` // Use async commit only if the total size of keys does not exceed TotalKeySizeLimit. TotalKeySizeLimit uint64 `toml:"total-key-size-limit" json:"total-key-size-limit"` + // The following two fields should never be modified by the user, so tags are not provided + // on purpose. + // The duration within which is safe for async commit or 1PC to commit with an old schema. + // It is only changed in tests. + SafeWindow time.Duration + // The duration in addition to SafeWindow to make DDL safe. + AllowedClockDrift time.Duration } // CoprocessorCache is the config for coprocessor cache. @@ -705,6 +712,8 @@ var defaultConf = Config{ // FIXME: Find an appropriate default limit. KeysLimit: 256, TotalKeySizeLimit: 4 * 1024, // 4 KiB + SafeWindow: 2 * time.Second, + AllowedClockDrift: 500 * time.Millisecond, }, MaxBatchSize: 128, diff --git a/ddl/ddl_test.go b/ddl/ddl_test.go index b4d3f245fa0b9..3e127da608c11 100644 --- a/ddl/ddl_test.go +++ b/ddl/ddl_test.go @@ -78,6 +78,8 @@ func TestT(t *testing.T) { conf.Log.SlowThreshold = 10000 // Test for add/drop primary key. conf.AlterPrimaryKey = true + conf.TiKVClient.AsyncCommit.SafeWindow = 0 + conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0 }) _, err := infosync.GlobalInfoSyncerInit(context.Background(), "t", func() uint64 { return 1 }, nil, true) diff --git a/ddl/failtest/fail_db_test.go b/ddl/failtest/fail_db_test.go index 701576dc644a1..826862cd16f87 100644 --- a/ddl/failtest/fail_db_test.go +++ b/ddl/failtest/fail_db_test.go @@ -27,6 +27,7 @@ import ( "github.com/pingcap/failpoint" "github.com/pingcap/parser" "github.com/pingcap/parser/model" + "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/ddl" "github.com/pingcap/tidb/ddl/testutil" ddlutil "github.com/pingcap/tidb/ddl/util" @@ -46,6 +47,10 @@ func TestT(t *testing.T) { CustomVerboseFlag = true logLevel := os.Getenv("log_level") logutil.InitLogger(logutil.NewLogConfig(logLevel, "", "", logutil.EmptyFileLogConfig, false)) + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.AsyncCommit.SafeWindow = 0 + conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0 + }) testleak.BeforeTest() TestingT(t) testleak.AfterTestT(t)() diff --git a/ddl/reorg.go b/ddl/reorg.go index 08e37d288fe4e..3e9359c7fe52e 100644 --- a/ddl/reorg.go +++ b/ddl/reorg.go @@ -26,6 +26,7 @@ import ( "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" + "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/distsql" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/meta" @@ -154,6 +155,17 @@ func (rc *reorgCtx) clean() { } func (w *worker) runReorgJob(t *meta.Meta, reorgInfo *reorgInfo, tblInfo *model.TableInfo, lease time.Duration, f func() error) error { + // Sleep for reorgDelay before doing reorganization. + // This provides a safe window for async commit and 1PC to commit with an old schema. + // lease = 0 means it's in an integration test. In this case we don't delay so the test won't run too slowly. + if lease > 0 { + cfg := config.GetGlobalConfig().TiKVClient.AsyncCommit + reorgDelay := cfg.SafeWindow + cfg.AllowedClockDrift + logutil.BgLogger().Info("sleep before reorganization to make async commit safe", + zap.Duration("duration", reorgDelay)) + time.Sleep(reorgDelay) + } + job := reorgInfo.Job // This is for tests compatible, because most of the early tests try to build the reorg job manually // without reorg meta info, which will cause nil pointer in here. diff --git a/executor/executor_test.go b/executor/executor_test.go index ef995617ee169..6df96d8877b3e 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -87,6 +87,8 @@ func TestT(t *testing.T) { config.UpdateGlobal(func(conf *config.Config) { conf.Log.SlowThreshold = 30000 // 30s + conf.TiKVClient.AsyncCommit.SafeWindow = 0 + conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0 }) tmpDir := config.GetGlobalConfig().TempStoragePath _ = os.RemoveAll(tmpDir) // clean the uncleared temp file during the last run. diff --git a/executor/seqtest/seq_executor_test.go b/executor/seqtest/seq_executor_test.go index d792ac8829706..aed3793d6942f 100644 --- a/executor/seqtest/seq_executor_test.go +++ b/executor/seqtest/seq_executor_test.go @@ -66,6 +66,10 @@ func TestT(t *testing.T) { CustomVerboseFlag = true logLevel := os.Getenv("log_level") logutil.InitLogger(logutil.NewLogConfig(logLevel, logutil.DefaultLogFormat, "", logutil.EmptyFileLogConfig, false)) + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.AsyncCommit.SafeWindow = 0 + conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0 + }) TestingT(t) } diff --git a/expression/evaluator_test.go b/expression/evaluator_test.go index a0ea2c9f43775..8e38070ae6384 100644 --- a/expression/evaluator_test.go +++ b/expression/evaluator_test.go @@ -23,6 +23,7 @@ import ( "github.com/pingcap/parser/ast" "github.com/pingcap/parser/charset" "github.com/pingcap/parser/mysql" + "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" @@ -37,6 +38,11 @@ var _ = Suite(&testVectorizeSuite1{}) var _ = Suite(&testVectorizeSuite2{}) func TestT(t *testing.T) { + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.AsyncCommit.SafeWindow = 0 + conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0 + }) + testleak.BeforeTest() defer testleak.AfterTestT(t)() diff --git a/session/pessimistic_test.go b/session/pessimistic_test.go index 2335c80d72789..4ba7b2da3e0b3 100644 --- a/session/pessimistic_test.go +++ b/session/pessimistic_test.go @@ -1932,6 +1932,8 @@ func (s *testPessimisticSuite) TestSelectForUpdateConflictRetry(c *C) { defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { conf.TiKVClient.AsyncCommit.Enable = true + conf.TiKVClient.AsyncCommit.SafeWindow = 500 * time.Millisecond + conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0 }) tk := testkit.NewTestKitWithInit(c, s.store) @@ -1952,6 +1954,7 @@ func (s *testPessimisticSuite) TestSelectForUpdateConflictRetry(c *C) { c.Assert(err, IsNil) tsCh <- lastTS tk3.MustExec("commit") + tsCh <- lastTS }() // tk2LastTS should be its forUpdateTS tk2LastTS, err := s.store.GetOracle().GetLowResolutionTimestamp(context.Background()) @@ -1962,12 +1965,21 @@ func (s *testPessimisticSuite) TestSelectForUpdateConflictRetry(c *C) { // it must get a new ts on pessimistic write conflict so the latest timestamp // should increase c.Assert(tk3LastTs, Greater, tk2LastTS) + // wait until the goroutine exists + <-tsCh } func (s *testPessimisticSuite) TestAsyncCommitWithSchemaChange(c *C) { + // TODO: implement commit_ts calculation in unistore + if !*withTiKV { + return + } + defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { conf.TiKVClient.AsyncCommit.Enable = true + conf.TiKVClient.AsyncCommit.SafeWindow = 500 * time.Millisecond + conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0 }) c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/beforeSchemaCheck", "return"), IsNil) defer func() { @@ -1976,20 +1988,41 @@ func (s *testPessimisticSuite) TestAsyncCommitWithSchemaChange(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("drop table if exists tk") - tk.MustExec("create table tk (c1 int primary key, c2 int)") - tk.MustExec("insert into tk values(1,1),(2,2)") + tk.MustExec("create table tk (c1 int primary key, c2 int, c3 int)") + tk.MustExec("insert into tk values(1, 1, 1)") tk2 := testkit.NewTestKitWithInit(c, s.store) tk3 := testkit.NewTestKitWithInit(c, s.store) // The txn tk writes something but with failpoint the primary key is not committed. tk.MustExec("begin optimistic") - // Change the schema version. - tk2.MustExec("alter table tk add column c3 int after c2") - tk.MustExec("insert into tk values(3, 3)") + tk.MustExec("insert into tk values(2, 2, 2)") + // Add index for c2 before commit + tk2.MustExec("alter table tk add index k2(c2)") + // key for c2 should be amended tk.MustExec("commit") + tk3.MustQuery("select * from tk where c2 = 2").Check(testkit.Rows("2 2 2")) + tk3.MustExec("admin check table tk") - // Trigger the recovery process, the left locks should not be committed. - tk3.MustExec("begin") - tk3.MustQuery("select * from tk").Check(testkit.Rows("1 1 ", "2 2 ")) - tk3.MustExec("rollback") + tk.MustExec("begin optimistic") + tk.MustExec("insert into tk values(3, 3, 3)") + tk.MustExec("commit") + // Add index for c3 after commit + tk2.MustExec("alter table tk add index k3(c3)") + tk3.MustQuery("select * from tk where c3 = 3").Check(testkit.Rows("3 3 3")) + tk3.MustExec("admin check table tk") + + tk.MustExec("drop table if exists tk") + tk.MustExec("create table tk (c1 int primary key, c2 int)") + tk.MustExec("begin optimistic") + tk.MustExec("insert into tk values(1, 1)") + go func() { + time.Sleep(200 * time.Millisecond) + tk2.MustExec("alter table tk add index k2(c2)") + }() + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/beforePrewrite", "1*sleep(1000)"), IsNil) + // should fail if prewrite takes too long + err := tk.ExecToErr("commit") + c.Assert(err, ErrorMatches, ".*commit TS \\d+ is too large") + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/beforePrewrite"), IsNil) + tk3.MustExec("admin check table tk") } diff --git a/session/tidb_test.go b/session/tidb_test.go index f48cf471feac7..eff7406332925 100644 --- a/session/tidb_test.go +++ b/session/tidb_test.go @@ -24,6 +24,7 @@ import ( . "github.com/pingcap/check" "github.com/pingcap/parser/auth" + "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/planner/core" @@ -40,6 +41,10 @@ func TestT(t *testing.T) { logutil.InitLogger(logutil.NewLogConfig(logLevel, logutil.DefaultLogFormat, "", logutil.EmptyFileLogConfig, false)) CustomVerboseFlag = true SetSchemaLease(20 * time.Millisecond) + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.AsyncCommit.SafeWindow = 0 + conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0 + }) TestingT(t) } diff --git a/statistics/statistics_test.go b/statistics/statistics_test.go index 4fbf65ffffc50..326fae923a078 100644 --- a/statistics/statistics_test.go +++ b/statistics/statistics_test.go @@ -24,6 +24,7 @@ import ( "github.com/pingcap/parser/ast" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" + "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/types" @@ -37,6 +38,10 @@ import ( ) func TestT(t *testing.T) { + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.AsyncCommit.SafeWindow = 0 + conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0 + }) TestingT(t) } diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index b541405c34041..cfa45989e19e7 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -31,7 +31,6 @@ import ( "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" - "github.com/pingcap/tidb/meta" "github.com/pingcap/tidb/metrics" "github.com/pingcap/tidb/sessionctx/binloginfo" "github.com/pingcap/tidb/store/tikv/oracle" @@ -112,8 +111,10 @@ type twoPhaseCommitter struct { noFallBack bool } - useAsyncCommit uint32 - minCommitTS uint64 + useAsyncCommit uint32 + minCommitTS uint64 + maxCommitTS uint64 + prewriteStarted bool } type memBufferMutations struct { @@ -575,7 +576,7 @@ func (c *twoPhaseCommitter) doActionOnMutations(bo *Backoffer, action twoPhaseCo // groupMutations groups mutations by region, then checks for any large groups and in that case pre-splits the region. func (c *twoPhaseCommitter) groupMutations(bo *Backoffer, mutations CommitterMutations) ([]groupedMutations, error) { - groups, err := c.store.regionCache.GroupSortedMutationsByRegion(bo, mutations) + groups, err := c.store.regionCache.groupSortedMutationsByRegion(bo, mutations) if err != nil { return nil, errors.Trace(err) } @@ -597,7 +598,7 @@ func (c *twoPhaseCommitter) groupMutations(bo *Backoffer, mutations CommitterMut } // Reload region cache again. if didPreSplit { - groups, err = c.store.regionCache.GroupSortedMutationsByRegion(bo, mutations) + groups, err = c.store.regionCache.groupSortedMutationsByRegion(bo, mutations) if err != nil { return nil, errors.Trace(err) } @@ -945,7 +946,7 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { } else { // The error means the async commit should not succeed. if err != nil { - if c.getUndeterminedErr() == nil { + if c.prewriteStarted && c.getUndeterminedErr() == nil { c.cleanup(ctx) } tikvAsyncCommitTxnCounterError.Inc() @@ -957,9 +958,15 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { // Check async commit is available or not. if c.checkAsyncCommit() { + if err = c.calculateMaxCommitTS(ctx); err != nil { + return errors.Trace(err) + } c.setAsyncCommit(true) } + failpoint.Inject("beforePrewrite", nil) + + c.prewriteStarted = true binlogChan := c.prewriteBinlog(ctx) prewriteBo := NewBackofferWithVars(ctx, PrewriteMaxBackoff, c.txn.vars) start := time.Now() @@ -1036,15 +1043,7 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { }) } - if c.isAsyncCommit() { - schemaVerIsTheSame, err := checkSchemaVersionForAsyncCommit(ctx, c.startTS, commitTS, c.store) - if err != nil { - return errors.Trace(err) - } - if !schemaVerIsTheSame { - return errors.Trace(errors.Errorf("Schema changed for async commit startTS=%v commitTS=%v", c.startTS, commitTS)) - } - } else { + if !c.isAsyncCommit() { tryAmend := c.isPessimistic && c.connID > 0 && c.txn.schemaAmender != nil if !tryAmend { _, _, err = c.checkSchemaValid(ctx, commitTS, c.txn.txnInfoSchema, false) @@ -1183,16 +1182,27 @@ func (c *twoPhaseCommitter) tryAmendTxn(ctx context.Context, startInfoSchema Sch if err != nil { return false, err } - // Prewrite new mutations. + // Add new mutations to the mutation list or prewrite them if prewrite already starts. if addMutations != nil && addMutations.Len() > 0 { - prewriteBo := NewBackofferWithVars(ctx, PrewriteMaxBackoff, c.txn.vars) - err = c.prewriteMutations(prewriteBo, addMutations) - if err != nil { - logutil.Logger(ctx).Warn("amend prewrite has failed", zap.Error(err), zap.Uint64("txnStartTS", c.startTS)) - return false, err + if c.prewriteStarted { + prewriteBo := NewBackofferWithVars(ctx, PrewriteMaxBackoff, c.txn.vars) + err = c.prewriteMutations(prewriteBo, addMutations) + if err != nil { + logutil.Logger(ctx).Warn("amend prewrite has failed", zap.Error(err), zap.Uint64("txnStartTS", c.startTS)) + return false, err + } + logutil.Logger(ctx).Info("amend prewrite finished", zap.Uint64("txnStartTS", c.startTS)) + return true, nil + } + memBuf := c.txn.GetMemBuffer() + for i := 0; i < addMutations.Len(); i++ { + key := addMutations.GetKey(i) + if err := memBuf.Set(key, addMutations.GetValue(i)); err != nil { + return false, err + } + handle := c.txn.GetMemBuffer().IterWithFlags(key, nil).Handle() + c.mutations.Push(addMutations.GetOp(i), addMutations.IsPessimisticLock(i), handle) } - logutil.Logger(ctx).Info("amend prewrite finished", zap.Uint64("txnStartTS", c.startTS)) - return true, nil } return false, nil } @@ -1244,7 +1254,7 @@ func (c *twoPhaseCommitter) checkSchemaValid(ctx context.Context, checkTS uint64 zap.Uint64("startTS", c.startTS), zap.Error(amendErr)) return nil, false, err } - logutil.Logger(ctx).Info("amend txn successfully for pessimistic commit", + logutil.Logger(ctx).Info("amend txn successfully", zap.Uint64("connID", c.connID), zap.Uint64("txn startTS", c.startTS), zap.Bool("memAmended", memAmended), zap.Uint64("checkTS", checkTS), zap.Int64("startInfoSchemaVer", startInfoSchema.SchemaMetaVersion()), zap.Int64s("table ids", relatedChanges.PhyTblIDS), zap.Uint64s("action types", relatedChanges.ActionTypes)) @@ -1255,6 +1265,29 @@ func (c *twoPhaseCommitter) checkSchemaValid(ctx context.Context, checkTS uint64 return nil, false, nil } +func (c *twoPhaseCommitter) calculateMaxCommitTS(ctx context.Context) error { + // Amend txn with current time first, then we can make sure we have another SafeWindow time to commit + currentTS := oracle.EncodeTSO(int64(time.Since(c.txn.startTime)/time.Millisecond)) + c.startTS + _, _, err := c.checkSchemaValid(ctx, currentTS, c.txn.txnInfoSchema, true) + if err != nil { + logutil.Logger(ctx).Error("Schema changed for async commit txn", + zap.Error(err), + zap.Uint64("startTS", c.startTS)) + return errors.Trace(err) + } + + safeWindow := config.GetGlobalConfig().TiKVClient.AsyncCommit.SafeWindow + maxCommitTS := oracle.EncodeTSO(int64(safeWindow/time.Millisecond)) + currentTS + logutil.BgLogger().Debug("calculate MaxCommitTS", + zap.Time("startTime", c.txn.startTime), + zap.Duration("safeWindow", safeWindow), + zap.Uint64("startTS", c.startTS), + zap.Uint64("maxCommitTS", maxCommitTS)) + + c.maxCommitTS = maxCommitTS + return nil +} + func (c *twoPhaseCommitter) prewriteBinlog(ctx context.Context) chan *binloginfo.WriteResult { if !c.shouldWriteBinlog() { return nil @@ -1551,31 +1584,3 @@ func (c *twoPhaseCommitter) getUndeterminedErr() error { defer c.mu.RUnlock() return c.mu.undeterminedErr } - -// checkSchemaVersionForAsyncCommit is used to check schema version change for async commit transactions -// only. For async commit protocol, we need to make sure the check result is the same during common execution -// path and the recovery path. As the schema lease checker has a limited size of cached schema diff version, it's -// possible the schema cache is changed and the schema lease checker can't decide if the related table has -// schema version change. So we just check the version from meta snapshot, it's much stricter. -func checkSchemaVersionForAsyncCommit(ctx context.Context, startTS uint64, commitTS uint64, store Storage) (bool, error) { - if commitTS > 0 { - snapshotAtStart := store.GetSnapshot(kv.NewVersion(startTS)) - snapShotAtCommit := store.GetSnapshot(kv.NewVersion(commitTS)) - schemaVerAtStart, err := meta.NewSnapshotMeta(snapshotAtStart).GetSchemaVersion() - if err != nil { - return false, errors.Trace(err) - } - schemaVerAtCommit, err := meta.NewSnapshotMeta(snapShotAtCommit).GetSchemaVersion() - if err != nil { - return false, errors.Trace(err) - } - if schemaVerAtStart != schemaVerAtCommit { - logutil.Logger(ctx).Info("async commit txn need to rollback since schema version has changed", - zap.Uint64("startTS", startTS), zap.Uint64("commitTS", commitTS), - zap.Int64("schema version at start", schemaVerAtStart), - zap.Int64("schema version at commit", schemaVerAtCommit)) - return false, nil - } - } - return true, nil -} diff --git a/store/tikv/async_commit_test.go b/store/tikv/async_commit_test.go index 5d63cfd80a8d4..5d34420e523bf 100644 --- a/store/tikv/async_commit_test.go +++ b/store/tikv/async_commit_test.go @@ -104,7 +104,7 @@ type testAsyncCommitSuite struct { bo *Backoffer } -var _ = Suite(&testAsyncCommitSuite{}) +var _ = SerialSuites(&testAsyncCommitSuite{}) func (s *testAsyncCommitSuite) SetUpTest(c *C) { s.testAsyncCommitCommon.setUpTest(c) diff --git a/store/tikv/lock_resolver.go b/store/tikv/lock_resolver.go index 3fa6fc8c8a3bc..d39e94a0ab8d3 100644 --- a/store/tikv/lock_resolver.go +++ b/store/tikv/lock_resolver.go @@ -807,16 +807,6 @@ func (lr *LockResolver) checkAllSecondaries(bo *Backoffer, l *Lock, status *TxnS return nil, errors.Errorf("async commit recovery (sending CheckSecondaryLocks) finished with errors: %v", errs) } - if shared.commitTs > 0 { - schemaVerIsTheSame, err := checkSchemaVersionForAsyncCommit(bo.ctx, l.TxnID, shared.commitTs, lr.store) - if err != nil { - return nil, errors.Trace(err) - } - if !schemaVerIsTheSame { - shared.commitTs = 0 - } - } - return &shared, nil } diff --git a/store/tikv/prewrite.go b/store/tikv/prewrite.go index cbb67d0b2ee9c..802b300deedcf 100644 --- a/store/tikv/prewrite.go +++ b/store/tikv/prewrite.go @@ -78,6 +78,7 @@ func (c *twoPhaseCommitter) buildPrewriteRequest(batch batchMutations, txnSize u ForUpdateTs: c.forUpdateTS, TxnSize: txnSize, MinCommitTs: minCommitTS, + MaxCommitTs: c.maxCommitTS, } if c.isAsyncCommit() { diff --git a/store/tikv/region_cache.go b/store/tikv/region_cache.go index dad00982d5888..79901a159190d 100644 --- a/store/tikv/region_cache.go +++ b/store/tikv/region_cache.go @@ -679,8 +679,8 @@ type groupedMutations struct { mutations CommitterMutations } -// GroupSortedMutationsByRegion separates keys into groups by their belonging Regions. -func (c *RegionCache) GroupSortedMutationsByRegion(bo *Backoffer, m CommitterMutations) ([]groupedMutations, error) { +// groupSortedMutationsByRegion separates keys into groups by their belonging Regions. +func (c *RegionCache) groupSortedMutationsByRegion(bo *Backoffer, m CommitterMutations) ([]groupedMutations, error) { var ( groups []groupedMutations lastLoc *KeyLocation diff --git a/store/tikv/region_request_test.go b/store/tikv/region_request_test.go index a3b83d626db52..c8bd2315035ef 100644 --- a/store/tikv/region_request_test.go +++ b/store/tikv/region_request_test.go @@ -544,7 +544,7 @@ func (s *testRegionRequestToSingleStoreSuite) TestOnMaxTimestampNotSyncedError(c }() count := 0 s.regionRequestSender.client = &fnClient{func(ctx context.Context, addr string, req *tikvrpc.Request, timeout time.Duration) (response *tikvrpc.Response, err error) { - count += 1 + count++ var resp *tikvrpc.Response if count < 3 { resp = &tikvrpc.Response{Resp: &kvrpcpb.PrewriteResponse{ diff --git a/store/tikv/snapshot.go b/store/tikv/snapshot.go index 4c895e1c6e9d2..827c72873d7d6 100644 --- a/store/tikv/snapshot.go +++ b/store/tikv/snapshot.go @@ -542,6 +542,11 @@ func extractKeyErr(keyErr *pb.KeyError) error { logutil.BgLogger().Warn("2PC failed", zap.Error(err)) return errors.Trace(err) } + if keyErr.CommitTsTooLarge != nil { + err := errors.Errorf("commit TS %v is too large", keyErr.CommitTsTooLarge.CommitTs) + logutil.BgLogger().Warn("2PC failed", zap.Error(err)) + return errors.Trace(err) + } return errors.Errorf("unexpected KeyError: %s", keyErr.String()) } diff --git a/util/admin/admin_test.go b/util/admin/admin_test.go index 86ac87a4a454b..a682c4c45abaa 100644 --- a/util/admin/admin_test.go +++ b/util/admin/admin_test.go @@ -20,6 +20,7 @@ import ( "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" + "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/meta" "github.com/pingcap/tidb/store/mockstore" @@ -29,6 +30,10 @@ import ( ) func TestT(t *testing.T) { + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.AsyncCommit.SafeWindow = 0 + conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0 + }) CustomVerboseFlag = true TestingT(t) } From ce29f22ed9978ea3d2b0ba31d28777abd1e101ff Mon Sep 17 00:00:00 2001 From: Song Gao Date: Wed, 28 Oct 2020 13:39:58 +0800 Subject: [PATCH 0100/1021] store, executor: Fix rateLimitAction may fail to destroy token (#20644) --- executor/executor_test.go | 9 +++-- store/tikv/coprocessor.go | 69 +++++++++++++++++++++++++++------------ 2 files changed, 55 insertions(+), 23 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index 6df96d8877b3e..0388ccc4fcaa1 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6661,8 +6661,10 @@ func (s *testSerialSuite) TestCoprocessorOOMAction(c *C) { config.UpdateGlobal(func(conf *config.Config) { conf.OOMAction = config.OOMActionCancel }) - failpoint.Enable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockConsume", `return(true)`) - defer failpoint.Disable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockConsume") + failpoint.Enable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockConsumeAndAssert", `return(true)`) + defer failpoint.Disable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockConsumeAndAssert") + + failpoint.Enable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockWaitMax", `return(true)`) // assert oom action for _, testcase := range testcases { c.Log(testcase.name) @@ -6683,6 +6685,7 @@ func (s *testSerialSuite) TestCoprocessorOOMAction(c *C) { c.Assert(tk.Se.GetSessionVars().StmtCtx.MemTracker.MaxConsumed(), Greater, int64(quota)) se.Close() } + failpoint.Disable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockWaitMax") // assert oom fallback for _, testcase := range testcases { @@ -6691,7 +6694,7 @@ func (s *testSerialSuite) TestCoprocessorOOMAction(c *C) { c.Check(err, IsNil) tk.Se = se tk.MustExec("use test") - tk.MustExec("set tidb_distsql_scan_concurrency = 2") + tk.MustExec("set tidb_distsql_scan_concurrency = 1") tk.MustExec("set @@tidb_mem_quota_query=1;") err = tk.QueryToErr(testcase.sql) c.Assert(err, NotNil) diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go index e86fddb9fde24..19766d582f820 100644 --- a/store/tikv/coprocessor.go +++ b/store/tikv/coprocessor.go @@ -527,7 +527,6 @@ func (worker *copIteratorWorker) run(ctx context.Context) { worker.actionOnExceed.destroyTokenIfNeeded(func() { worker.sendRate.putToken() }) - worker.actionOnExceed.waitIfNeeded() if worker.vars != nil && worker.vars.Killed != nil && atomic.LoadUint32(worker.vars.Killed) == 1 { return } @@ -680,7 +679,7 @@ func (it *copIterator) Next(ctx context.Context) (kv.ResultSubset, error) { closed bool ) // wait unit at least 2 copResponse received. - failpoint.Inject("testRateLimitActionMockConsume", func(val failpoint.Value) { + failpoint.Inject("testRateLimitActionMockWaitMax", func(val failpoint.Value) { if val.(bool) { for it.memTracker.MaxConsumed() < 200 { } @@ -1298,6 +1297,10 @@ type rateLimitAction struct { // isTokenDestroyed indicates whether there is one token has been isTokenDestroyed after Action been triggered isTokenDestroyed bool once sync.Once + // waitingWorkerCnt indicates the total count of workers which is under condition.Waiting + waitingWorkerCnt uint + // triggerCountForTest indicates the total count of the rateLimitAction's Action being executed + triggerCountForTest uint } } @@ -1306,10 +1309,12 @@ func newRateLimitAction(totalTokenNumber uint, cond *sync.Cond) *rateLimitAction totalTokenNum: totalTokenNumber, cond: struct { *sync.Cond - exceeded bool - remainingTokenNum uint - isTokenDestroyed bool - once sync.Once + exceeded bool + remainingTokenNum uint + isTokenDestroyed bool + once sync.Once + waitingWorkerCnt uint + triggerCountForTest uint }{ Cond: cond, exceeded: false, @@ -1345,6 +1350,16 @@ func (e *rateLimitAction) Action(t *memory.Tracker) { } return } + failpoint.Inject("testRateLimitActionMockConsumeAndAssert", func(val failpoint.Value) { + if val.(bool) { + if e.cond.triggerCountForTest+e.cond.remainingTokenNum != e.totalTokenNum { + panic("triggerCount + remainingTokenNum not equal to totalTokenNum") + } + if e.cond.waitingWorkerCnt > 0 { + panic("waitingWorkerCnt not equal to 0") + } + } + }) logutil.BgLogger().Info("memory exceeds quota, destroy one token now.", zap.Int64("consumed", t.BytesConsumed()), zap.Int64("quota", t.GetBytesLimit()), @@ -1352,6 +1367,7 @@ func (e *rateLimitAction) Action(t *memory.Tracker) { zap.Uint("remaining token count", e.cond.remainingTokenNum)) e.cond.isTokenDestroyed = false e.cond.exceeded = true + e.cond.triggerCountForTest++ }) } @@ -1365,17 +1381,22 @@ func (e *rateLimitAction) SetFallback(a memory.ActionOnExceed) { e.fallbackAction = a } -// broadcastIfNeeded will check whether the copWorkers is under suspended status. -// If they are, `broadcastIfNeeded` would try to recover them if there are no more -// copResponse remained in the channel. +// broadcastIfNeeded will broadcast the condition to recover all suspended workers when exceeded is enabled +// and one token have already been destroyed. func (e *rateLimitAction) broadcastIfNeeded(needed bool) { + if !needed { + return + } e.conditionLock() defer e.conditionUnlock() - if e.cond.exceeded && needed { - e.cond.exceeded = false - e.cond.Broadcast() - e.cond.once = sync.Once{} + if !e.cond.exceeded || e.cond.waitingWorkerCnt < 1 { + return + } + for !e.cond.isTokenDestroyed { + e.cond.Wait() } + e.cond.exceeded = false + e.cond.Broadcast() } // destroyTokenIfNeeded will check the `exceed` flag after copWorker finished one task. @@ -1384,21 +1405,28 @@ func (e *rateLimitAction) broadcastIfNeeded(needed bool) { func (e *rateLimitAction) destroyTokenIfNeeded(returnToken func()) { e.conditionLock() defer e.conditionUnlock() + if !e.cond.exceeded { + returnToken() + return + } // If actionOnExceed has been triggered and there is no token have been destroyed before, // destroy one token. - if e.cond.exceeded && !e.cond.isTokenDestroyed { + if !e.cond.isTokenDestroyed { e.cond.remainingTokenNum = e.cond.remainingTokenNum - 1 e.cond.isTokenDestroyed = true + e.cond.Broadcast() } else { returnToken() } -} - -func (e *rateLimitAction) waitIfNeeded() { - e.conditionLock() - defer e.conditionUnlock() + // we suspend worker when `exceeded` is true until being notified by `broadcastIfNeeded` for e.cond.exceeded { + e.cond.waitingWorkerCnt++ e.cond.Wait() + e.cond.waitingWorkerCnt-- + } + // only when all the waiting workers have been resumed, the Action could be initialized again. + if e.cond.waitingWorkerCnt < 1 { + e.cond.once = sync.Once{} } } @@ -1415,7 +1443,8 @@ func (e *rateLimitAction) close() { e.conditionLock() defer e.conditionUnlock() e.cond.exceeded = false - e.cond.isTokenDestroyed = false + e.cond.isTokenDestroyed = true + e.cond.waitingWorkerCnt = 0 // broadcast the signal in order not to leak worker goroutine if it is being suspended e.cond.Broadcast() } From bf043c2d1f6ede7de45558c304977d857816f4f4 Mon Sep 17 00:00:00 2001 From: xiaodong-ji Date: Wed, 28 Oct 2020 14:04:01 +0800 Subject: [PATCH 0101/1021] executor, expression: Fixed the warning messages when calling str_to_date function failed (#20415) --- errors.toml | 5 +++++ executor/executor_test.go | 8 ++++++++ expression/builtin_time.go | 3 ++- expression/errors.go | 2 +- types/errors.go | 2 ++ 5 files changed, 18 insertions(+), 2 deletions(-) diff --git a/errors.toml b/errors.toml index 54c86ed23d21f..bfbeb45484be8 100644 --- a/errors.toml +++ b/errors.toml @@ -1391,6 +1391,11 @@ error = ''' Data too long for column '%s' at row %d ''' +["types:1411"] +error = ''' +Incorrect %-.32s value: '%-.128s' for function %-.32s +''' + ["types:1425"] error = ''' Too big scale %d specified for column '%-.192s'. Maximum is %d. diff --git a/executor/executor_test.go b/executor/executor_test.go index 0388ccc4fcaa1..753f5eb752a14 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -4480,6 +4480,14 @@ func (s *testSuiteP2) TestStrToDateBuiltin(c *C) { tk.MustQuery(`SELECT STR_TO_DATE('2020-07-04 00:22:33', '%Y-%m-%d %T')`).Check(testkit.Rows("2020-07-04 00:22:33")) } +func (s *testSuiteP2) TestStrToDateBuiltinWithWarnings(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("set @@sql_mode='NO_ZERO_DATE'") + tk.MustExec("use test") + tk.MustQuery(`SELECT STR_TO_DATE('0000-1-01', '%Y-%m-%d');`).Check(testkit.Rows("")) + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1411 Incorrect datetime value: '0000-1-01' for function str_to_date")) +} + func (s *testSuiteP2) TestReadPartitionedTable(c *C) { // Test three reader on partitioned table. tk := testkit.NewTestKit(c, s.store) diff --git a/expression/builtin_time.go b/expression/builtin_time.go index b779d5eb69035..2c1a9191f17c9 100644 --- a/expression/builtin_time.go +++ b/expression/builtin_time.go @@ -27,6 +27,7 @@ import ( "github.com/cznic/mathutil" "github.com/pingcap/errors" + "github.com/pingcap/parser/ast" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/sessionctx" @@ -1936,7 +1937,7 @@ func (b *builtinStrToDateDateSig) evalTime(row chunk.Row) (types.Time, bool, err return types.ZeroTime, true, handleInvalidTimeError(b.ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, t.String())) } if b.ctx.GetSessionVars().SQLMode.HasNoZeroDateMode() && (t.Year() == 0 || t.Month() == 0 || t.Day() == 0) { - return types.ZeroTime, true, handleInvalidTimeError(b.ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, t.String())) + return types.ZeroTime, true, handleInvalidTimeError(b.ctx, types.ErrWrongValueForType.GenWithStackByArgs(types.DateTimeStr, date, ast.StrToDate)) } t.SetType(mysql.TypeDate) t.SetFsp(types.MinFsp) diff --git a/expression/errors.go b/expression/errors.go index 804661ef0b8af..a7315ffe91c96 100644 --- a/expression/errors.go +++ b/expression/errors.go @@ -54,7 +54,7 @@ var ( // handleInvalidTimeError reports error or warning depend on the context. func handleInvalidTimeError(ctx sessionctx.Context, err error) error { - if err == nil || !(types.ErrWrongValue.Equal(err) || + if err == nil || !(types.ErrWrongValue.Equal(err) || types.ErrWrongValueForType.Equal(err) || types.ErrTruncatedWrongVal.Equal(err) || types.ErrInvalidWeekModeFormat.Equal(err) || types.ErrDatetimeFunctionOverflow.Equal(err)) { return err diff --git a/types/errors.go b/types/errors.go index 7683051e537bf..37c53dbb7bc6d 100644 --- a/types/errors.go +++ b/types/errors.go @@ -75,4 +75,6 @@ var ( ErrInvalidWeekModeFormat = dbterror.ClassTypes.NewStd(mysql.ErrInvalidWeekModeFormat) // ErrWrongValue is returned when the input value is in wrong format. ErrWrongValue = dbterror.ClassTypes.NewStdErr(mysql.ErrTruncatedWrongValue, mysql.MySQLErrName[mysql.ErrWrongValue], "", "") + // ErrWrongValueForType is returned when the input value is in wrong format for function. + ErrWrongValueForType = dbterror.ClassTypes.NewStdErr(mysql.ErrWrongValueForType, mysql.MySQLErrName[mysql.ErrWrongValueForType], "", "") ) From a55a51a1636ad27a2a7ed79dc44811aee0cd4a4d Mon Sep 17 00:00:00 2001 From: baishen Date: Wed, 28 Oct 2020 01:08:37 -0500 Subject: [PATCH 0102/1021] executor: fix show create table int default value (#20462) --- cmd/explaintest/r/select.result | 2 +- cmd/explaintest/t/select.test | 2 +- ddl/db_integration_test.go | 14 +++++++------- ddl/failtest/fail_db_test.go | 6 +++--- executor/seqtest/seq_executor_test.go | 4 ++-- executor/show.go | 2 +- executor/show_test.go | 13 ++++++++++++- infoschema/tables_test.go | 4 ++-- 8 files changed, 29 insertions(+), 18 deletions(-) diff --git a/cmd/explaintest/r/select.result b/cmd/explaintest/r/select.result index abf7c36adb382..612ebd3b2a6ae 100644 --- a/cmd/explaintest/r/select.result +++ b/cmd/explaintest/r/select.result @@ -462,7 +462,7 @@ HashJoin_10 7984.01 root semi join, equal:[eq(test.t1.a, test.t2.a)], other con drop table t; CREATE TABLE t (id int(10) unsigned NOT NULL AUTO_INCREMENT, i int(10) unsigned DEFAULT NULL, -x int(10) unsigned DEFAULT 0, +x int(10) unsigned DEFAULT '0', PRIMARY KEY (`id`) ); explain select row_number() over( partition by i ) - x as rnk from t; diff --git a/cmd/explaintest/t/select.test b/cmd/explaintest/t/select.test index 552e511f79e49..79284b70dcc77 100644 --- a/cmd/explaintest/t/select.test +++ b/cmd/explaintest/t/select.test @@ -225,7 +225,7 @@ explain select * from t1 where t1.a in (select t2.a as a from t2 where t2.b > t1 drop table t; CREATE TABLE t (id int(10) unsigned NOT NULL AUTO_INCREMENT, i int(10) unsigned DEFAULT NULL, - x int(10) unsigned DEFAULT 0, + x int(10) unsigned DEFAULT '0', PRIMARY KEY (`id`) ); explain select row_number() over( partition by i ) - x as rnk from t; diff --git a/ddl/db_integration_test.go b/ddl/db_integration_test.go index ed59e3a5e4f7e..1ec26a3b2daa2 100644 --- a/ddl/db_integration_test.go +++ b/ddl/db_integration_test.go @@ -432,13 +432,13 @@ func (s *testIntegrationSuite1) TestIssue5092(c *C) { tk.MustExec("alter table t_issue_5092 add column d int default 4 after c1, add column aa int default 0 first") tk.MustQuery("select * from t_issue_5092").Check(testkit.Rows("0 1 2 22 3 33 4")) tk.MustQuery("show create table t_issue_5092").Check(testkit.Rows("t_issue_5092 CREATE TABLE `t_issue_5092` (\n" + - " `aa` int(11) DEFAULT 0,\n" + - " `a` int(11) DEFAULT 1,\n" + - " `b` int(11) DEFAULT 2,\n" + - " `b1` int(11) DEFAULT 22,\n" + - " `c` int(11) DEFAULT 3,\n" + - " `c1` int(11) DEFAULT 33,\n" + - " `d` int(11) DEFAULT 4\n" + + " `aa` int(11) DEFAULT '0',\n" + + " `a` int(11) DEFAULT '1',\n" + + " `b` int(11) DEFAULT '2',\n" + + " `b1` int(11) DEFAULT '22',\n" + + " `c` int(11) DEFAULT '3',\n" + + " `c1` int(11) DEFAULT '33',\n" + + " `d` int(11) DEFAULT '4'\n" + ") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin")) tk.MustExec("drop table t_issue_5092") diff --git a/ddl/failtest/fail_db_test.go b/ddl/failtest/fail_db_test.go index 826862cd16f87..1d393d0549962 100644 --- a/ddl/failtest/fail_db_test.go +++ b/ddl/failtest/fail_db_test.go @@ -481,8 +481,8 @@ func (s *testFailDBSuite) TestModifyColumn(c *C) { tk.MustQuery("select * from t").Check(testkit.Rows("2 1 3", "22 11 33")) tk.MustQuery("show create table t").Check(testkit.Rows("t CREATE TABLE `t` (\n" + " `bb` mediumint(9) DEFAULT NULL,\n" + - " `a` int(11) NOT NULL DEFAULT 1,\n" + - " `c` int(11) NOT NULL DEFAULT 0,\n" + + " `a` int(11) NOT NULL DEFAULT '1',\n" + + " `c` int(11) NOT NULL DEFAULT '0',\n" + " PRIMARY KEY (`c`),\n" + " KEY `idx` (`bb`),\n" + " KEY `idx1` (`a`),\n" + @@ -495,7 +495,7 @@ func (s *testFailDBSuite) TestModifyColumn(c *C) { tk.MustExec("alter table t change column a aa mediumint after c") tk.MustQuery("show create table t").Check(testkit.Rows("t CREATE TABLE `t` (\n" + " `bb` mediumint(9) DEFAULT NULL,\n" + - " `c` int(11) NOT NULL DEFAULT 0,\n" + + " `c` int(11) NOT NULL DEFAULT '0',\n" + " `aa` mediumint(9) DEFAULT NULL,\n" + " PRIMARY KEY (`c`),\n" + " KEY `idx` (`bb`),\n" + diff --git a/executor/seqtest/seq_executor_test.go b/executor/seqtest/seq_executor_test.go index aed3793d6942f..80a106173d4fa 100644 --- a/executor/seqtest/seq_executor_test.go +++ b/executor/seqtest/seq_executor_test.go @@ -195,7 +195,7 @@ func (s *seqTestSuite) TestShow(c *C) { row := result.Rows()[0] // For issue https://github.com/pingcap/tidb/issues/1061 expectedRow := []interface{}{ - "SHOW_test", "CREATE TABLE `SHOW_test` (\n `id` int(11) NOT NULL AUTO_INCREMENT,\n `c1` int(11) DEFAULT NULL COMMENT 'c1_comment',\n `c2` int(11) DEFAULT NULL,\n `c3` int(11) DEFAULT 1,\n `c4` text DEFAULT NULL,\n `c5` tinyint(1) DEFAULT NULL,\n PRIMARY KEY (`id`),\n KEY `idx_wide_c4` (`c3`,`c4`(10))\n) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin AUTO_INCREMENT=28934 COMMENT='table_comment'"} + "SHOW_test", "CREATE TABLE `SHOW_test` (\n `id` int(11) NOT NULL AUTO_INCREMENT,\n `c1` int(11) DEFAULT NULL COMMENT 'c1_comment',\n `c2` int(11) DEFAULT NULL,\n `c3` int(11) DEFAULT '1',\n `c4` text DEFAULT NULL,\n `c5` tinyint(1) DEFAULT NULL,\n PRIMARY KEY (`id`),\n KEY `idx_wide_c4` (`c3`,`c4`(10))\n) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin AUTO_INCREMENT=28934 COMMENT='table_comment'"} for i, r := range row { c.Check(r, Equals, expectedRow[i]) } @@ -215,7 +215,7 @@ func (s *seqTestSuite) TestShow(c *C) { c.Check(result.Rows(), HasLen, 1) row = result.Rows()[0] expectedRow = []interface{}{ - "ptest", "CREATE TABLE `ptest` (\n `a` int(11) NOT NULL,\n `b` double NOT NULL DEFAULT 2.0,\n `c` varchar(10) NOT NULL,\n `d` time DEFAULT NULL,\n `e` timestamp NULL DEFAULT NULL,\n `f` timestamp NULL DEFAULT NULL,\n PRIMARY KEY (`a`),\n UNIQUE KEY `d` (`d`)\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin"} + "ptest", "CREATE TABLE `ptest` (\n `a` int(11) NOT NULL,\n `b` double NOT NULL DEFAULT '2.0',\n `c` varchar(10) NOT NULL,\n `d` time DEFAULT NULL,\n `e` timestamp NULL DEFAULT NULL,\n `f` timestamp NULL DEFAULT NULL,\n PRIMARY KEY (`a`),\n UNIQUE KEY `d` (`d`)\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin"} for i, r := range row { c.Check(r, Equals, expectedRow[i]) } diff --git a/executor/show.go b/executor/show.go index 7be294e53c75a..8858407cd3a55 100644 --- a/executor/show.go +++ b/executor/show.go @@ -818,7 +818,7 @@ func ConstructResultOfShowCreateTable(ctx sessionctx.Context, tableInfo *model.T if col.Tp == mysql.TypeBit { defaultValBinaryLiteral := types.BinaryLiteral(defaultValStr) fmt.Fprintf(buf, " DEFAULT %s", defaultValBinaryLiteral.ToBitLiteralString(true)) - } else if types.IsTypeNumeric(col.Tp) || col.DefaultIsExpr { + } else if col.DefaultIsExpr { fmt.Fprintf(buf, " DEFAULT %s", format.OutputFormat(defaultValStr)) } else { fmt.Fprintf(buf, " DEFAULT '%s'", format.OutputFormat(defaultValStr)) diff --git a/executor/show_test.go b/executor/show_test.go index c8a08741b9d37..8c459e1d5ed00 100644 --- a/executor/show_test.go +++ b/executor/show_test.go @@ -625,6 +625,17 @@ func (s *testSuite5) TestShowCreateTable(c *C) { )) tk.MustExec("drop table t") + // for issue #20446 + tk.MustExec("drop table if exists t1;") + tk.MustExec("create table t1(c int unsigned default 0);") + tk.MustQuery("show create table `t1`").Check(testutil.RowsWithSep("|", + ""+ + "t1 CREATE TABLE `t1` (\n"+ + " `c` int(10) unsigned DEFAULT '0'\n"+ + ") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin", + )) + tk.MustExec("drop table t1") + tk.MustExec("CREATE TABLE `log` (" + "`LOG_ID` bigint(20) UNSIGNED NOT NULL AUTO_INCREMENT," + "`ROUND_ID` bigint(20) UNSIGNED NOT NULL," + @@ -745,7 +756,7 @@ func (s *testSuite5) TestShowCreateTable(c *C) { tk.MustQuery("show create table default_num").Check(testutil.RowsWithSep("|", ""+ "default_num CREATE TABLE `default_num` (\n"+ - " `a` int(11) DEFAULT 11\n"+ + " `a` int(11) DEFAULT '11'\n"+ ") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin", )) tk.MustExec(`drop table if exists default_varchar`) diff --git a/infoschema/tables_test.go b/infoschema/tables_test.go index 53e7dcd71855f..1b80f7f709c1c 100644 --- a/infoschema/tables_test.go +++ b/infoschema/tables_test.go @@ -294,12 +294,12 @@ func (s *testTableSuite) TestInfoschemaFieldValue(c *C) { tk.MustQuery("show create table information_schema.PROCESSLIST").Check( testkit.Rows("" + "PROCESSLIST CREATE TABLE `PROCESSLIST` (\n" + - " `ID` bigint(21) unsigned NOT NULL DEFAULT 0,\n" + + " `ID` bigint(21) unsigned NOT NULL DEFAULT '0',\n" + " `USER` varchar(16) NOT NULL DEFAULT '',\n" + " `HOST` varchar(64) NOT NULL DEFAULT '',\n" + " `DB` varchar(64) DEFAULT NULL,\n" + " `COMMAND` varchar(16) NOT NULL DEFAULT '',\n" + - " `TIME` int(7) NOT NULL DEFAULT 0,\n" + + " `TIME` int(7) NOT NULL DEFAULT '0',\n" + " `STATE` varchar(7) DEFAULT NULL,\n" + " `INFO` longtext DEFAULT NULL,\n" + " `DIGEST` varchar(64) DEFAULT '',\n" + From b2e6df07c8cc9a87326b4026d8df85c2a3e9f574 Mon Sep 17 00:00:00 2001 From: baishen Date: Wed, 28 Oct 2020 01:27:13 -0500 Subject: [PATCH 0103/1021] session: Support Variable-Setting Hint `SET_VAR` (#20232) --- errno/errcode.go | 2 + errno/errname.go | 2 + errors.toml | 15 +++ executor/executor.go | 1 + planner/core/errors.go | 3 + planner/optimize.go | 31 ++++++ session/session_test.go | 174 ++++++++++++++++++++++++++++++++ sessionctx/stmtctx/stmtctx.go | 1 + sessionctx/variable/session.go | 18 ++++ sessionctx/variable/sysvar.go | 66 ++++++------ sessionctx/variable/varsutil.go | 15 +++ 11 files changed, 296 insertions(+), 32 deletions(-) diff --git a/errno/errcode.go b/errno/errcode.go index 42342fbec9b9e..a47b67668902f 100644 --- a/errno/errcode.go +++ b/errno/errcode.go @@ -834,6 +834,7 @@ const ( ErrDependentByGeneratedColumn = 3108 ErrGeneratedColumnRefAutoInc = 3109 ErrWarnConflictingHint = 3126 + ErrUnresolvedHintName = 3128 ErrInvalidJSONText = 3140 ErrInvalidJSONPath = 3143 ErrInvalidTypeForJSON = 3146 @@ -870,6 +871,7 @@ const ( ErrWindowNoGroupOrderUnused = 3597 ErrWindowExplainJSON = 3598 ErrWindowFunctionIgnoresFrame = 3599 + ErrNotHintUpdatable = 3637 ErrDataTruncatedFunctionalIndex = 3751 ErrDataOutOfRangeFunctionalIndex = 3752 ErrFunctionalIndexOnJSONOrGeometryFunction = 3753 diff --git a/errno/errname.go b/errno/errname.go index 40da77eab7e24..f64cad2abf123 100644 --- a/errno/errname.go +++ b/errno/errname.go @@ -832,6 +832,7 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrDependentByGeneratedColumn: mysql.Message("Column '%s' has a generated column dependency.", nil), ErrGeneratedColumnRefAutoInc: mysql.Message("Generated column '%s' cannot refer to auto-increment column.", nil), ErrWarnConflictingHint: mysql.Message("Hint %s is ignored as conflicting/duplicated.", nil), + ErrUnresolvedHintName: mysql.Message("Unresolved name '%s' for %s hint", nil), ErrInvalidFieldSize: mysql.Message("Invalid size for column '%s'.", nil), ErrInvalidArgumentForLogarithm: mysql.Message("Invalid argument for logarithm", nil), ErrIncorrectType: mysql.Message("Incorrect type for argument %s in function %s.", nil), @@ -873,6 +874,7 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrRoleNotGranted: mysql.Message("%s is is not granted to %s", nil), ErrMaxExecTimeExceeded: mysql.Message("Query execution was interrupted, max_execution_time exceeded.", nil), ErrLockAcquireFailAndNoWaitSet: mysql.Message("Statement aborted because lock(s) could not be acquired immediately and NOWAIT is set.", nil), + ErrNotHintUpdatable: mysql.Message("Variable '%s' cannot be set using SET_VAR hint.", nil), ErrDataTruncatedFunctionalIndex: mysql.Message("Data truncated for expression index '%s' at row %d", nil), ErrDataOutOfRangeFunctionalIndex: mysql.Message("Value is out of range for expression index '%s' at row %d", nil), ErrFunctionalIndexOnJSONOrGeometryFunction: mysql.Message("Cannot create an expression index on a function that returns a JSON or GEOMETRY value", nil), diff --git a/errors.toml b/errors.toml index bfbeb45484be8..077ade3fc9606 100644 --- a/errors.toml +++ b/errors.toml @@ -901,6 +901,16 @@ error = ''' '%s' is not supported for generated columns. ''' +["planner:3126"] +error = ''' +Hint %s is ignored as conflicting/duplicated. +''' + +["planner:3128"] +error = ''' +Unresolved name '%s' for %s hint +''' + ["planner:3579"] error = ''' Window name '%s' is not defined. @@ -986,6 +996,11 @@ error = ''' Window function '%s' ignores the frame clause of window '%s' and aggregates over the whole partition ''' +["planner:3637"] +error = ''' +Variable '%s' cannot be set using SET_VAR hint. +''' + ["planner:8108"] error = ''' Unsupported type %T diff --git a/executor/executor.go b/executor/executor.go index 5198644d5f4be..2102f3ca1fabf 100644 --- a/executor/executor.go +++ b/executor/executor.go @@ -1692,6 +1692,7 @@ func ResetContextOfStmt(ctx sessionctx.Context, s ast.StmtNode) (err error) { vars.StmtCtx = sc vars.PrevFoundInPlanCache = vars.FoundInPlanCache vars.FoundInPlanCache = false + vars.ClearStmtVars() return } diff --git a/planner/core/errors.go b/planner/core/errors.go index 63d8bed87138b..2794872c23f61 100644 --- a/planner/core/errors.go +++ b/planner/core/errors.go @@ -80,6 +80,9 @@ var ( ErrCartesianProductUnsupported = dbterror.ClassOptimizer.NewStd(mysql.ErrCartesianProductUnsupported) ErrStmtNotFound = dbterror.ClassOptimizer.NewStd(mysql.ErrPreparedStmtNotFound) ErrAmbiguous = dbterror.ClassOptimizer.NewStd(mysql.ErrNonUniq) + ErrUnresolvedHintName = dbterror.ClassOptimizer.NewStd(mysql.ErrUnresolvedHintName) + ErrNotHintUpdatable = dbterror.ClassOptimizer.NewStd(mysql.ErrNotHintUpdatable) + ErrWarnConflictingHint = dbterror.ClassOptimizer.NewStd(mysql.ErrWarnConflictingHint) // Since we cannot know if user logged in with a password, use message of ErrAccessDeniedNoPassword instead ErrAccessDenied = dbterror.ClassOptimizer.NewStdErr(mysql.ErrAccessDenied, mysql.MySQLErrName[mysql.ErrAccessDeniedNoPassword], "", "") ) diff --git a/planner/optimize.go b/planner/optimize.go index 18f6dca5fb174..312c319c6a1f1 100644 --- a/planner/optimize.go +++ b/planner/optimize.go @@ -15,6 +15,7 @@ package planner import ( "context" + "fmt" "math" "runtime/trace" "strings" @@ -111,6 +112,13 @@ func Optimize(ctx context.Context, sctx sessionctx.Context, node ast.Node, is in sctx.GetSessionVars().StmtCtx.AppendWarning(warn) } warns = warns[:0] + for name, val := range stmtHints.SetVars { + err := variable.SetStmtVar(sessVars, name, val) + if err != nil { + sctx.GetSessionVars().StmtCtx.AppendWarning(err) + } + } + bestPlan, names, _, err := optimize(ctx, sctx, node, is) if err != nil { return nil, nil, err @@ -390,6 +398,7 @@ func handleStmtHints(hints []*ast.TableOptimizerHint) (stmtHints stmtctx.StmtHin } var memoryQuotaHint, useToJAHint, useCascadesHint, maxExecutionTime, forceNthPlan *ast.TableOptimizerHint var memoryQuotaHintCnt, useToJAHintCnt, useCascadesHintCnt, noIndexMergeHintCnt, readReplicaHintCnt, maxExecutionTimeCnt, forceNthPlanCnt int + setVars := make(map[string]string) for _, hint := range hints { switch hint.HintName.L { case "memory_quota": @@ -411,8 +420,30 @@ func handleStmtHints(hints []*ast.TableOptimizerHint) (stmtHints stmtctx.StmtHin case "nth_plan": forceNthPlanCnt++ forceNthPlan = hint + case "set_var": + setVarHint := hint.HintData.(ast.HintSetVar) + + // Not all session variables are permitted for use with SET_VAR + sysVar := variable.GetSysVar(setVarHint.VarName) + if sysVar == nil { + warns = append(warns, plannercore.ErrUnresolvedHintName.GenWithStackByArgs(setVarHint.VarName, hint.HintName.String())) + continue + } + if !sysVar.IsHintUpdatable { + warns = append(warns, plannercore.ErrNotHintUpdatable.GenWithStackByArgs(setVarHint.VarName)) + continue + } + // If several hints with the same variable name appear in the same statement, the first one is applied and the others are ignored with a warning + if _, ok := setVars[setVarHint.VarName]; ok { + msg := fmt.Sprintf("%s(%s=%s)", hint.HintName.String(), setVarHint.VarName, setVarHint.Value) + warns = append(warns, plannercore.ErrWarnConflictingHint.GenWithStackByArgs(msg)) + continue + } + setVars[setVarHint.VarName] = setVarHint.Value } } + stmtHints.SetVars = setVars + // Handle MEMORY_QUOTA if memoryQuotaHintCnt != 0 { if memoryQuotaHintCnt > 1 { diff --git a/session/session_test.go b/session/session_test.go index fb31a3a3e72ee..ea806445c7bb2 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -3237,6 +3237,180 @@ func (s *testSessionSuite2) TestPerStmtTaskID(c *C) { c.Assert(taskID1 != taskID2, IsTrue) } +func (s *testSessionSuite3) TestSetVarHint(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + + tk.Se.GetSessionVars().SetSystemVar("sql_mode", mysql.DefaultSQLMode) + tk.MustQuery("SELECT /*+ SET_VAR(sql_mode=ALLOW_INVALID_DATES) */ @@sql_mode;").Check(testkit.Rows("ALLOW_INVALID_DATES")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@sql_mode;").Check(testkit.Rows(mysql.DefaultSQLMode)) + + tk.Se.GetSessionVars().SetSystemVar("tmp_table_size", "16777216") + tk.MustQuery("SELECT /*+ SET_VAR(tmp_table_size=1024) */ @@tmp_table_size;").Check(testkit.Rows("1024")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@tmp_table_size;").Check(testkit.Rows("16777216")) + + tk.Se.GetSessionVars().SetSystemVar("range_alloc_block_size", "4096") + tk.MustQuery("SELECT /*+ SET_VAR(range_alloc_block_size=4294967295) */ @@range_alloc_block_size;").Check(testkit.Rows("4294967295")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@range_alloc_block_size;").Check(testkit.Rows("4096")) + + tk.Se.GetSessionVars().SetSystemVar("max_execution_time", "0") + tk.MustQuery("SELECT /*+ SET_VAR(max_execution_time=1) */ @@max_execution_time;").Check(testkit.Rows("1")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@max_execution_time;").Check(testkit.Rows("0")) + + tk.Se.GetSessionVars().SetSystemVar("time_zone", "SYSTEM") + tk.MustQuery("SELECT /*+ SET_VAR(time_zone='+12:00') */ @@time_zone;").Check(testkit.Rows("+12:00")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@time_zone;").Check(testkit.Rows("SYSTEM")) + + tk.Se.GetSessionVars().SetSystemVar("join_buffer_size", "262144") + tk.MustQuery("SELECT /*+ SET_VAR(join_buffer_size=128) */ @@join_buffer_size;").Check(testkit.Rows("128")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@join_buffer_size;").Check(testkit.Rows("262144")) + + tk.Se.GetSessionVars().SetSystemVar("max_length_for_sort_data", "1024") + tk.MustQuery("SELECT /*+ SET_VAR(max_length_for_sort_data=4) */ @@max_length_for_sort_data;").Check(testkit.Rows("4")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@max_length_for_sort_data;").Check(testkit.Rows("1024")) + + tk.Se.GetSessionVars().SetSystemVar("max_error_count", "64") + tk.MustQuery("SELECT /*+ SET_VAR(max_error_count=0) */ @@max_error_count;").Check(testkit.Rows("0")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@max_error_count;").Check(testkit.Rows("64")) + + tk.Se.GetSessionVars().SetSystemVar("sql_buffer_result", "OFF") + tk.MustQuery("SELECT /*+ SET_VAR(sql_buffer_result=ON) */ @@sql_buffer_result;").Check(testkit.Rows("ON")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@sql_buffer_result;").Check(testkit.Rows("OFF")) + + tk.Se.GetSessionVars().SetSystemVar("max_heap_table_size", "16777216") + tk.MustQuery("SELECT /*+ SET_VAR(max_heap_table_size=16384) */ @@max_heap_table_size;").Check(testkit.Rows("16384")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@max_heap_table_size;").Check(testkit.Rows("16777216")) + + tk.Se.GetSessionVars().SetSystemVar("div_precision_increment", "4") + tk.MustQuery("SELECT /*+ SET_VAR(div_precision_increment=0) */ @@div_precision_increment;").Check(testkit.Rows("0")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@div_precision_increment;").Check(testkit.Rows("4")) + + tk.Se.GetSessionVars().SetSystemVar("sql_auto_is_null", "0") + tk.MustQuery("SELECT /*+ SET_VAR(sql_auto_is_null=1) */ @@sql_auto_is_null;").Check(testkit.Rows("1")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@sql_auto_is_null;").Check(testkit.Rows("0")) + + tk.Se.GetSessionVars().SetSystemVar("sort_buffer_size", "262144") + tk.MustQuery("SELECT /*+ SET_VAR(sort_buffer_size=32768) */ @@sort_buffer_size;").Check(testkit.Rows("32768")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@sort_buffer_size;").Check(testkit.Rows("262144")) + + tk.Se.GetSessionVars().SetSystemVar("max_join_size", "18446744073709551615") + tk.MustQuery("SELECT /*+ SET_VAR(max_join_size=1) */ @@max_join_size;").Check(testkit.Rows("1")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@max_join_size;").Check(testkit.Rows("18446744073709551615")) + + tk.Se.GetSessionVars().SetSystemVar("max_seeks_for_key", "18446744073709551615") + tk.MustQuery("SELECT /*+ SET_VAR(max_seeks_for_key=1) */ @@max_seeks_for_key;").Check(testkit.Rows("1")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@max_seeks_for_key;").Check(testkit.Rows("18446744073709551615")) + + tk.Se.GetSessionVars().SetSystemVar("max_sort_length", "1024") + tk.MustQuery("SELECT /*+ SET_VAR(max_sort_length=4) */ @@max_sort_length;").Check(testkit.Rows("4")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@max_sort_length;").Check(testkit.Rows("1024")) + + tk.Se.GetSessionVars().SetSystemVar("bulk_insert_buffer_size", "8388608") + tk.MustQuery("SELECT /*+ SET_VAR(bulk_insert_buffer_size=0) */ @@bulk_insert_buffer_size;").Check(testkit.Rows("0")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@bulk_insert_buffer_size;").Check(testkit.Rows("8388608")) + + tk.Se.GetSessionVars().SetSystemVar("sql_big_selects", "1") + tk.MustQuery("SELECT /*+ SET_VAR(sql_big_selects=0) */ @@sql_big_selects;").Check(testkit.Rows("0")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@sql_big_selects;").Check(testkit.Rows("1")) + + tk.Se.GetSessionVars().SetSystemVar("read_rnd_buffer_size", "262144") + tk.MustQuery("SELECT /*+ SET_VAR(read_rnd_buffer_size=1) */ @@read_rnd_buffer_size;").Check(testkit.Rows("1")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@read_rnd_buffer_size;").Check(testkit.Rows("262144")) + + tk.Se.GetSessionVars().SetSystemVar("unique_checks", "1") + tk.MustQuery("SELECT /*+ SET_VAR(unique_checks=0) */ @@unique_checks;").Check(testkit.Rows("0")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@unique_checks;").Check(testkit.Rows("1")) + + tk.Se.GetSessionVars().SetSystemVar("read_buffer_size", "131072") + tk.MustQuery("SELECT /*+ SET_VAR(read_buffer_size=8192) */ @@read_buffer_size;").Check(testkit.Rows("8192")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@read_buffer_size;").Check(testkit.Rows("131072")) + + tk.Se.GetSessionVars().SetSystemVar("default_tmp_storage_engine", "InnoDB") + tk.MustQuery("SELECT /*+ SET_VAR(default_tmp_storage_engine='CSV') */ @@default_tmp_storage_engine;").Check(testkit.Rows("CSV")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@default_tmp_storage_engine;").Check(testkit.Rows("InnoDB")) + + tk.Se.GetSessionVars().SetSystemVar("optimizer_search_depth", "62") + tk.MustQuery("SELECT /*+ SET_VAR(optimizer_search_depth=1) */ @@optimizer_search_depth;").Check(testkit.Rows("1")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@optimizer_search_depth;").Check(testkit.Rows("62")) + + tk.Se.GetSessionVars().SetSystemVar("max_points_in_geometry", "65536") + tk.MustQuery("SELECT /*+ SET_VAR(max_points_in_geometry=3) */ @@max_points_in_geometry;").Check(testkit.Rows("3")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@max_points_in_geometry;").Check(testkit.Rows("65536")) + + tk.Se.GetSessionVars().SetSystemVar("updatable_views_with_limit", "YES") + tk.MustQuery("SELECT /*+ SET_VAR(updatable_views_with_limit=0) */ @@updatable_views_with_limit;").Check(testkit.Rows("0")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@updatable_views_with_limit;").Check(testkit.Rows("YES")) + + tk.Se.GetSessionVars().SetSystemVar("optimizer_prune_level", "1") + tk.MustQuery("SELECT /*+ SET_VAR(optimizer_prune_level=0) */ @@optimizer_prune_level;").Check(testkit.Rows("0")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@optimizer_prune_level;").Check(testkit.Rows("1")) + + tk.Se.GetSessionVars().SetSystemVar("group_concat_max_len", "1024") + tk.MustQuery("SELECT /*+ SET_VAR(group_concat_max_len=4) */ @@group_concat_max_len;").Check(testkit.Rows("4")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@group_concat_max_len;").Check(testkit.Rows("1024")) + + tk.Se.GetSessionVars().SetSystemVar("eq_range_index_dive_limit", "200") + tk.MustQuery("SELECT /*+ SET_VAR(eq_range_index_dive_limit=0) */ @@eq_range_index_dive_limit;").Check(testkit.Rows("0")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@eq_range_index_dive_limit;").Check(testkit.Rows("200")) + + tk.Se.GetSessionVars().SetSystemVar("sql_safe_updates", "0") + tk.MustQuery("SELECT /*+ SET_VAR(sql_safe_updates=1) */ @@sql_safe_updates;").Check(testkit.Rows("1")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@sql_safe_updates;").Check(testkit.Rows("0")) + + tk.Se.GetSessionVars().SetSystemVar("end_markers_in_json", "0") + tk.MustQuery("SELECT /*+ SET_VAR(end_markers_in_json=1) */ @@end_markers_in_json;").Check(testkit.Rows("1")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@end_markers_in_json;").Check(testkit.Rows("0")) + + tk.Se.GetSessionVars().SetSystemVar("windowing_use_high_precision", "ON") + tk.MustQuery("SELECT /*+ SET_VAR(windowing_use_high_precision=OFF) */ @@windowing_use_high_precision;").Check(testkit.Rows("0")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + tk.MustQuery("SELECT @@windowing_use_high_precision;").Check(testkit.Rows("1")) + + tk.MustExec("SELECT /*+ SET_VAR(sql_safe_updates = 1) SET_VAR(max_heap_table_size = 1G) */ 1;") + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) + + tk.MustExec("SELECT /*+ SET_VAR(collation_server = 'utf8') */ 1;") + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 1) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings()[0].Err.Error(), Equals, "[planner:3637]Variable 'collation_server' cannot be set using SET_VAR hint.") + + tk.MustExec("SELECT /*+ SET_VAR(max_size = 1G) */ 1;") + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 1) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings()[0].Err.Error(), Equals, "[planner:3128]Unresolved name 'max_size' for SET_VAR hint") + + tk.MustExec("SELECT /*+ SET_VAR(group_concat_max_len = 1024) SET_VAR(group_concat_max_len = 2048) */ 1;") + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 1) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings()[0].Err.Error(), Equals, "[planner:3126]Hint SET_VAR(group_concat_max_len=2048) is ignored as conflicting/duplicated.") +} + func (s *testSessionSuite2) TestDeprecateSlowLogMasking(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) diff --git a/sessionctx/stmtctx/stmtctx.go b/sessionctx/stmtctx/stmtctx.go index f89999712ebc0..0f68fa4bb8ef2 100644 --- a/sessionctx/stmtctx/stmtctx.go +++ b/sessionctx/stmtctx/stmtctx.go @@ -177,6 +177,7 @@ type StmtHints struct { HasReplicaReadHint bool HasMaxExecutionTime bool HasEnableCascadesPlannerHint bool + SetVars map[string]string } // TaskMapNeedBackUp indicates that whether we need to back up taskMap during physical optimizing. diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index cd2d4e64c4095..60e7185352727 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -368,6 +368,9 @@ type SessionVars struct { Users map[string]types.Datum // systems variables, don't modify it directly, use GetSystemVar/SetSystemVar method. systems map[string]string + // stmtVars variables are temporarily set by SET_VAR hint + // It only take effect for the duration of a single statement + stmtVars map[string]string // SysWarningCount is the system variable "warning_count", because it is on the hot path, so we extract it from the systems SysWarningCount int // SysErrorCount is the system variable "error_count", because it is on the hot path, so we extract it from the systems @@ -792,6 +795,7 @@ func NewSessionVars() *SessionVars { vars := &SessionVars{ Users: make(map[string]types.Datum), systems: make(map[string]string), + stmtVars: make(map[string]string), PreparedStmts: make(map[uint32]interface{}), PreparedStmtNameToID: make(map[string]uint32), PreparedParams: make([]types.Datum, 0, 10), @@ -1120,6 +1124,9 @@ func (s *SessionVars) GetSystemVar(name string) (string, bool) { if name == TiDBSlowLogMasking { name = TiDBRedactLog } + if val, ok := s.stmtVars[name]; ok { + return val, ok + } val, ok := s.systems[name] return val, ok } @@ -1178,6 +1185,17 @@ func (s *SessionVars) WithdrawAllPreparedStmt() { metrics.PreparedStmtGauge.Set(float64(afterMinus)) } +// SetStmtVar sets the value of a system variable temporarily +func (s *SessionVars) SetStmtVar(name string, val string) error { + s.stmtVars[name] = val + return nil +} + +// ClearStmtVars clear temporarily system variables. +func (s *SessionVars) ClearStmtVars() { + s.stmtVars = make(map[string]string) +} + // SetSystemVar sets the value of a system variable. func (s *SessionVars) SetSystemVar(name string, val string) error { switch name { diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 78e87c079abf4..f4314badaba0a 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -87,6 +87,8 @@ type SysVar struct { AllowEmpty bool // AllowEmptyAll is a special behavior that only applies to TiDBCapturePlanBaseline (do not use) AllowEmptyAll bool + // IsHintUpdatable indicate whether it's updatable via SET_VAR() hint (optional) + IsHintUpdatable bool } var sysVars map[string]*SysVar @@ -219,20 +221,20 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: SkipNameResolve, Value: BoolOff, Type: TypeBool}, {Scope: ScopeNone, Name: "performance_schema_max_file_handles", Value: "32768"}, {Scope: ScopeSession, Name: "transaction_allow_batching", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: SQLModeVar, Value: mysql.DefaultSQLMode}, + {Scope: ScopeGlobal | ScopeSession, Name: SQLModeVar, Value: mysql.DefaultSQLMode, IsHintUpdatable: true}, {Scope: ScopeNone, Name: "performance_schema_max_statement_classes", Value: "168"}, {Scope: ScopeGlobal, Name: "server_id", Value: "0"}, {Scope: ScopeGlobal, Name: "innodb_flushing_avg_loops", Value: "30"}, - {Scope: ScopeGlobal | ScopeSession, Name: TmpTableSize, Value: "16777216", Type: TypeUnsigned, MinValue: 1024, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true}, + {Scope: ScopeGlobal | ScopeSession, Name: TmpTableSize, Value: "16777216", Type: TypeUnsigned, MinValue: 1024, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true, IsHintUpdatable: true}, {Scope: ScopeGlobal, Name: "innodb_max_purge_lag", Value: "0"}, {Scope: ScopeGlobal | ScopeSession, Name: "preload_buffer_size", Value: "32768"}, {Scope: ScopeGlobal, Name: CheckProxyUsers, Value: BoolOff, Type: TypeBool}, {Scope: ScopeNone, Name: "have_query_cache", Value: "YES"}, {Scope: ScopeGlobal, Name: "innodb_flush_log_at_timeout", Value: "1"}, {Scope: ScopeGlobal, Name: "innodb_max_undo_log_size", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: "range_alloc_block_size", Value: "4096"}, + {Scope: ScopeGlobal | ScopeSession, Name: "range_alloc_block_size", Value: "4096", IsHintUpdatable: true}, {Scope: ScopeGlobal, Name: ConnectTimeout, Value: "10", Type: TypeUnsigned, MinValue: 2, MaxValue: secondsPerYear, AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal | ScopeSession, Name: MaxExecutionTime, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true}, + {Scope: ScopeGlobal | ScopeSession, Name: MaxExecutionTime, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true, IsHintUpdatable: true}, {Scope: ScopeGlobal | ScopeSession, Name: CollationServer, Value: mysql.DefaultCollationName}, {Scope: ScopeNone, Name: "have_rtree_keys", Value: "YES"}, {Scope: ScopeGlobal, Name: "innodb_old_blocks_pct", Value: "37"}, @@ -268,7 +270,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "key_cache_division_limit", Value: "100"}, {Scope: ScopeGlobal | ScopeSession, Name: "max_insert_delayed_threads", Value: "20"}, {Scope: ScopeNone, Name: "performance_schema_session_connect_attrs_size", Value: "512"}, - {Scope: ScopeGlobal | ScopeSession, Name: "time_zone", Value: "SYSTEM"}, + {Scope: ScopeGlobal | ScopeSession, Name: "time_zone", Value: "SYSTEM", IsHintUpdatable: true}, {Scope: ScopeGlobal, Name: "innodb_max_dirty_pages_pct", Value: "75"}, {Scope: ScopeGlobal, Name: InnodbFilePerTable, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeGlobal, Name: InnodbLogCompressedPages, Value: "1"}, @@ -296,7 +298,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: OfflineMode, Value: "0", Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: InnodbStrictMode, Value: "1", Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeGlobal, Name: "innodb_rollback_segments", Value: "128"}, - {Scope: ScopeGlobal | ScopeSession, Name: "join_buffer_size", Value: "262144"}, + {Scope: ScopeGlobal | ScopeSession, Name: "join_buffer_size", Value: "262144", IsHintUpdatable: true}, {Scope: ScopeNone, Name: "innodb_mirrored_log_groups", Value: "1"}, {Scope: ScopeGlobal, Name: "max_binlog_size", Value: "1073741824"}, {Scope: ScopeGlobal, Name: "concurrent_insert", Value: "AUTO"}, @@ -309,7 +311,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "myisam_mmap_size", Value: "18446744073709551615"}, {Scope: ScopeNone, Name: "innodb_buffer_pool_instances", Value: "8"}, {Scope: ScopeGlobal | ScopeSession, Name: BlockEncryptionMode, Value: "aes-128-ecb"}, - {Scope: ScopeGlobal | ScopeSession, Name: "max_length_for_sort_data", Value: "1024"}, + {Scope: ScopeGlobal | ScopeSession, Name: "max_length_for_sort_data", Value: "1024", IsHintUpdatable: true}, {Scope: ScopeNone, Name: "character_set_system", Value: "utf8"}, {Scope: ScopeGlobal | ScopeSession, Name: InteractiveTimeout, Value: "28800", Type: TypeUnsigned, MinValue: 1, MaxValue: secondsPerYear, AutoConvertOutOfRange: true}, {Scope: ScopeGlobal, Name: InnodbOptimizeFullTextOnly, Value: "0"}, @@ -334,7 +336,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "innodb_undo_tablespaces", Value: "0"}, {Scope: ScopeGlobal, Name: InnodbStatusOutputLocks, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeNone, Name: "performance_schema_accounts_size", Value: "100"}, - {Scope: ScopeGlobal | ScopeSession, Name: "max_error_count", Value: "64"}, + {Scope: ScopeGlobal | ScopeSession, Name: "max_error_count", Value: "64", IsHintUpdatable: true}, {Scope: ScopeGlobal, Name: "max_write_lock_count", Value: "18446744073709551615"}, {Scope: ScopeNone, Name: "performance_schema_max_socket_instances", Value: "322"}, {Scope: ScopeNone, Name: "performance_schema_max_table_instances", Value: "12500"}, @@ -352,22 +354,22 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: LogQueriesNotUsingIndexes, Value: BoolOff, Type: TypeBool}, {Scope: ScopeSession, Name: "timestamp", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: QueryCacheWlockInvalidate, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: "sql_buffer_result", Value: BoolOff}, + {Scope: ScopeGlobal | ScopeSession, Name: "sql_buffer_result", Value: BoolOff, IsHintUpdatable: true}, {Scope: ScopeGlobal | ScopeSession, Name: "character_set_filesystem", Value: "binary"}, {Scope: ScopeGlobal | ScopeSession, Name: "collation_database", Value: mysql.DefaultCollationName}, {Scope: ScopeGlobal | ScopeSession, Name: AutoIncrementIncrement, Value: strconv.FormatInt(DefAutoIncrementIncrement, 10), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint16, AutoConvertOutOfRange: true}, {Scope: ScopeGlobal | ScopeSession, Name: AutoIncrementOffset, Value: strconv.FormatInt(DefAutoIncrementOffset, 10), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint16, AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal | ScopeSession, Name: "max_heap_table_size", Value: "16777216"}, - {Scope: ScopeGlobal | ScopeSession, Name: "div_precision_increment", Value: "4"}, + {Scope: ScopeGlobal | ScopeSession, Name: "max_heap_table_size", Value: "16777216", IsHintUpdatable: true}, + {Scope: ScopeGlobal | ScopeSession, Name: "div_precision_increment", Value: "4", IsHintUpdatable: true}, {Scope: ScopeGlobal, Name: "innodb_lru_scan_depth", Value: "1024"}, {Scope: ScopeGlobal, Name: "innodb_purge_rseg_truncate_frequency", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: SQLAutoIsNull, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: SQLAutoIsNull, Value: BoolOff, Type: TypeBool, IsHintUpdatable: true}, {Scope: ScopeNone, Name: "innodb_api_enable_binlog", Value: "0"}, {Scope: ScopeGlobal | ScopeSession, Name: "innodb_ft_user_stopword_table", Value: ""}, {Scope: ScopeNone, Name: "server_id_bits", Value: "32"}, {Scope: ScopeGlobal, Name: "innodb_log_checksum_algorithm", Value: ""}, {Scope: ScopeNone, Name: "innodb_buffer_pool_load_at_startup", Value: "1"}, - {Scope: ScopeGlobal | ScopeSession, Name: "sort_buffer_size", Value: "262144"}, + {Scope: ScopeGlobal | ScopeSession, Name: "sort_buffer_size", Value: "262144", IsHintUpdatable: true}, {Scope: ScopeGlobal, Name: "innodb_flush_neighbors", Value: "1"}, {Scope: ScopeNone, Name: "innodb_use_sys_malloc", Value: "1"}, {Scope: ScopeSession, Name: PluginLoad, Value: ""}, @@ -383,13 +385,13 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "myisam_data_pointer_size", Value: "6"}, {Scope: ScopeGlobal, Name: "ndb_optimization_delay", Value: ""}, {Scope: ScopeGlobal, Name: "innodb_ft_num_word_optimize", Value: "2000"}, - {Scope: ScopeGlobal | ScopeSession, Name: "max_join_size", Value: "18446744073709551615"}, + {Scope: ScopeGlobal | ScopeSession, Name: "max_join_size", Value: "18446744073709551615", IsHintUpdatable: true}, {Scope: ScopeNone, Name: CoreFile, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: "max_seeks_for_key", Value: "18446744073709551615"}, + {Scope: ScopeGlobal | ScopeSession, Name: "max_seeks_for_key", Value: "18446744073709551615", IsHintUpdatable: true}, {Scope: ScopeNone, Name: "innodb_log_buffer_size", Value: "8388608"}, {Scope: ScopeGlobal, Name: "delayed_insert_timeout", Value: "300"}, {Scope: ScopeGlobal, Name: "max_relay_log_size", Value: "0"}, - {Scope: ScopeGlobal | ScopeSession, Name: MaxSortLength, Value: "1024", Type: TypeUnsigned, MinValue: 4, MaxValue: 8388608, AutoConvertOutOfRange: true}, + {Scope: ScopeGlobal | ScopeSession, Name: MaxSortLength, Value: "1024", Type: TypeUnsigned, MinValue: 4, MaxValue: 8388608, AutoConvertOutOfRange: true, IsHintUpdatable: true}, {Scope: ScopeNone, Name: "metadata_locks_hash_instances", Value: "8"}, {Scope: ScopeGlobal, Name: "ndb_eventbuffer_free_percent", Value: ""}, {Scope: ScopeNone, Name: "large_files_support", Value: "1"}, @@ -443,10 +445,10 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: "debug_sync", Value: ""}, {Scope: ScopeGlobal, Name: InnodbStatsAutoRecalc, Value: "1"}, {Scope: ScopeGlobal | ScopeSession, Name: "lc_messages", Value: "en_US"}, - {Scope: ScopeGlobal | ScopeSession, Name: "bulk_insert_buffer_size", Value: "8388608"}, + {Scope: ScopeGlobal | ScopeSession, Name: "bulk_insert_buffer_size", Value: "8388608", IsHintUpdatable: true}, {Scope: ScopeGlobal | ScopeSession, Name: BinlogDirectNonTransactionalUpdates, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal, Name: "innodb_change_buffering", Value: "all"}, - {Scope: ScopeGlobal | ScopeSession, Name: SQLBigSelects, Value: BoolOn, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: SQLBigSelects, Value: BoolOn, Type: TypeBool, IsHintUpdatable: true}, {Scope: ScopeGlobal | ScopeSession, Name: CharacterSetResults, Value: mysql.DefaultCharset}, {Scope: ScopeGlobal, Name: "innodb_max_purge_lag_delay", Value: "0"}, {Scope: ScopeGlobal | ScopeSession, Name: "session_track_schema", Value: ""}, @@ -454,7 +456,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "innodb_autoextend_increment", Value: "64"}, {Scope: ScopeGlobal | ScopeSession, Name: "binlog_format", Value: "STATEMENT"}, {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_trace", Value: "enabled=off,one_line=off"}, - {Scope: ScopeGlobal | ScopeSession, Name: "read_rnd_buffer_size", Value: "262144"}, + {Scope: ScopeGlobal | ScopeSession, Name: "read_rnd_buffer_size", Value: "262144", IsHintUpdatable: true}, {Scope: ScopeNone, Name: "version_comment", Value: "TiDB Server (Apache License 2.0) " + versioninfo.TiDBEdition + " Edition, MySQL 5.7 compatible"}, {Scope: ScopeGlobal | ScopeSession, Name: NetWriteTimeout, Value: "60"}, {Scope: ScopeGlobal, Name: InnodbBufferPoolLoadAbort, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, @@ -510,7 +512,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: SecureAuth, Value: BoolOn, Type: TypeBool}, {Scope: ScopeNone, Name: "max_tmp_tables", Value: "32"}, {Scope: ScopeGlobal, Name: InnodbRandomReadAhead, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeGlobal | ScopeSession, Name: UniqueChecks, Value: BoolOn, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: UniqueChecks, Value: BoolOn, Type: TypeBool, IsHintUpdatable: true}, {Scope: ScopeGlobal, Name: "internal_tmp_disk_storage_engine", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: "myisam_repair_threads", Value: "1"}, {Scope: ScopeGlobal, Name: "ndb_eventbuffer_max_alloc", Value: ""}, @@ -520,7 +522,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "gtid_purged", Value: ""}, {Scope: ScopeGlobal, Name: "max_binlog_stmt_cache_size", Value: "18446744073709547520"}, {Scope: ScopeGlobal | ScopeSession, Name: "lock_wait_timeout", Value: "31536000"}, - {Scope: ScopeGlobal | ScopeSession, Name: "read_buffer_size", Value: "131072"}, + {Scope: ScopeGlobal | ScopeSession, Name: "read_buffer_size", Value: "131072", IsHintUpdatable: true}, {Scope: ScopeNone, Name: "innodb_read_io_threads", Value: "4"}, {Scope: ScopeGlobal | ScopeSession, Name: MaxSpRecursionDepth, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: 255, AutoConvertOutOfRange: true}, {Scope: ScopeNone, Name: "ignore_builtin_innodb", Value: "0"}, @@ -542,9 +544,9 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "performance_schema_events_stages_history_long_size", Value: "10000"}, {Scope: ScopeGlobal | ScopeSession, Name: AutoCommit, Value: BoolOn, Type: TypeBool}, {Scope: ScopeSession, Name: "insert_id", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: "default_tmp_storage_engine", Value: "InnoDB"}, - {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_search_depth", Value: "62"}, - {Scope: ScopeGlobal, Name: "max_points_in_geometry", Value: ""}, + {Scope: ScopeGlobal | ScopeSession, Name: "default_tmp_storage_engine", Value: "InnoDB", IsHintUpdatable: true}, + {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_search_depth", Value: "62", IsHintUpdatable: true}, + {Scope: ScopeGlobal | ScopeSession, Name: "max_points_in_geometry", Value: "65536", IsHintUpdatable: true}, {Scope: ScopeGlobal, Name: "innodb_stats_sample_pages", Value: "8"}, {Scope: ScopeGlobal | ScopeSession, Name: "profiling_history_size", Value: "15"}, {Scope: ScopeGlobal | ScopeSession, Name: "character_set_database", Value: mysql.DefaultCharset}, @@ -572,8 +574,8 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "innodb_flush_log_at_trx_commit", Value: "1"}, {Scope: ScopeGlobal, Name: "rewriter_enabled", Value: ""}, {Scope: ScopeGlobal, Name: "query_cache_min_res_unit", Value: "4096"}, - {Scope: ScopeGlobal | ScopeSession, Name: "updatable_views_with_limit", Value: "YES"}, - {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_prune_level", Value: "1"}, + {Scope: ScopeGlobal | ScopeSession, Name: "updatable_views_with_limit", Value: "YES", IsHintUpdatable: true}, + {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_prune_level", Value: "1", IsHintUpdatable: true}, {Scope: ScopeGlobal | ScopeSession, Name: "completion_type", Value: "NO_CHAIN"}, {Scope: ScopeGlobal, Name: "binlog_checksum", Value: "CRC32"}, {Scope: ScopeNone, Name: "report_port", Value: "3306"}, @@ -612,7 +614,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "myisam_max_sort_file_size", Value: "9223372036853727232"}, {Scope: ScopeNone, Name: "back_log", Value: "80"}, {Scope: ScopeNone, Name: "lower_case_file_system", Value: "1"}, - {Scope: ScopeGlobal | ScopeSession, Name: GroupConcatMaxLen, Value: "1024", AutoConvertOutOfRange: true}, + {Scope: ScopeGlobal | ScopeSession, Name: GroupConcatMaxLen, Value: "1024", AutoConvertOutOfRange: true, IsHintUpdatable: true}, {Scope: ScopeSession, Name: "pseudo_thread_id", Value: ""}, {Scope: ScopeNone, Name: "socket", Value: "/tmp/myssock"}, {Scope: ScopeNone, Name: "have_dynamic_loading", Value: "YES"}, @@ -621,7 +623,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "performance_schema_max_cond_instances", Value: "3504"}, {Scope: ScopeGlobal, Name: "delayed_insert_limit", Value: "100"}, {Scope: ScopeGlobal, Name: Flush, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: "eq_range_index_dive_limit", Value: "10"}, + {Scope: ScopeGlobal | ScopeSession, Name: "eq_range_index_dive_limit", Value: "200", IsHintUpdatable: true}, {Scope: ScopeNone, Name: "performance_schema_events_stages_history_size", Value: "10"}, {Scope: ScopeGlobal | ScopeSession, Name: "character_set_connection", Value: mysql.DefaultCharset}, {Scope: ScopeGlobal, Name: MyISAMUseMmap, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, @@ -643,13 +645,13 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "innodb_undo_directory", Value: "."}, {Scope: ScopeNone, Name: "bind_address", Value: "*"}, {Scope: ScopeGlobal, Name: "innodb_sync_spin_loops", Value: "30"}, - {Scope: ScopeGlobal | ScopeSession, Name: SQLSafeUpdates, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: SQLSafeUpdates, Value: BoolOff, Type: TypeBool, IsHintUpdatable: true}, {Scope: ScopeNone, Name: "tmpdir", Value: "/var/tmp/"}, {Scope: ScopeGlobal, Name: "innodb_thread_concurrency", Value: "0"}, {Scope: ScopeGlobal, Name: "innodb_buffer_pool_dump_pct", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: "lc_time_names", Value: "en_US"}, {Scope: ScopeGlobal | ScopeSession, Name: "max_statement_time", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: EndMakersInJSON, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: EndMakersInJSON, Value: BoolOff, Type: TypeBool, IsHintUpdatable: true}, {Scope: ScopeGlobal, Name: AvoidTemporalUpgrade, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal, Name: "key_cache_age_threshold", Value: "300"}, {Scope: ScopeGlobal, Name: InnodbStatusOutput, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, @@ -661,7 +663,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: ErrorCount, Value: "0", ReadOnly: true}, {Scope: ScopeGlobal | ScopeSession, Name: "information_schema_stats_expiry", Value: "86400"}, {Scope: ScopeGlobal, Name: ThreadPoolSize, Value: "16", Type: TypeUnsigned, MinValue: 1, MaxValue: 64, AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal | ScopeSession, Name: WindowingUseHighPrecision, Value: BoolOn, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: WindowingUseHighPrecision, Value: BoolOn, Type: TypeBool, IsHintUpdatable: true}, /* TiDB specific variables */ {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowMPPExecution, Value: BoolToIntStr(DefTiDBAllowMPPExecution)}, {Scope: ScopeSession, Name: TiDBSnapshot, Value: ""}, @@ -677,7 +679,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBExecutorConcurrency, Value: strconv.Itoa(DefExecutorConcurrency), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBDistSQLScanConcurrency, Value: strconv.Itoa(DefDistSQLScanConcurrency), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptInSubqToJoinAndAgg, Value: BoolToIntStr(DefOptInSubqToJoinAndAgg), Type: TypeBool}, - {Scope: ScopeSession, Name: TiDBOptPreferRangeScan, Value: BoolToIntStr(DefOptPreferRangeScan), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBOptPreferRangeScan, Value: BoolToIntStr(DefOptPreferRangeScan), Type: TypeBool, IsHintUpdatable: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptCorrelationThreshold, Value: strconv.FormatFloat(DefOptCorrelationThreshold, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: 1}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptCorrelationExpFactor, Value: strconv.Itoa(DefOptCorrelationExpFactor), Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptCPUFactor, Value: strconv.FormatFloat(DefOptCPUFactor, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: math.MaxUint64}, diff --git a/sessionctx/variable/varsutil.go b/sessionctx/variable/varsutil.go index d2cfa6c1441e4..6840d9b5c7c89 100644 --- a/sessionctx/variable/varsutil.go +++ b/sessionctx/variable/varsutil.go @@ -227,6 +227,21 @@ func SetSessionSystemVar(vars *SessionVars, name string, value types.Datum) erro return vars.SetSystemVar(name, sVal) } +// SetStmtVar sets system variable and updates SessionVars states. +func SetStmtVar(vars *SessionVars, name string, value string) error { + name = strings.ToLower(name) + sysVar := GetSysVar(name) + if sysVar == nil { + return ErrUnknownSystemVar + } + sVal, err := ValidateSetSystemVar(vars, name, value, ScopeSession) + if err != nil { + return err + } + CheckDeprecationSetSystemVar(vars, name) + return vars.SetStmtVar(name, sVal) +} + // ValidateGetSystemVar checks if system variable exists and validates its scope when get system variable. func ValidateGetSystemVar(name string, isGlobal bool) error { sysVar := GetSysVar(name) From fd852341f0e2f625841b1827f302223e8f686b5e Mon Sep 17 00:00:00 2001 From: Feng Liyuan Date: Wed, 28 Oct 2020 14:37:13 +0800 Subject: [PATCH 0104/1021] executor: fix TestPrevStmtDesensitization (#20680) --- executor/executor_test.go | 1 + 1 file changed, 1 insertion(+) diff --git a/executor/executor_test.go b/executor/executor_test.go index 753f5eb752a14..65ee98f05d453 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6447,6 +6447,7 @@ func (s *testSerialSuite) TestPrevStmtDesensitization(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") tk.MustExec(fmt.Sprintf("set @@session.%v=1", variable.TiDBRedactLog)) + defer tk.MustExec(fmt.Sprintf("set @@session.%v=0", variable.TiDBRedactLog)) tk.MustExec("drop table if exists t") tk.MustExec("create table t (a int, unique key (a))") tk.MustExec("begin") From c2e3b0a6ad404b4f4dcafef31fba54490ff3693c Mon Sep 17 00:00:00 2001 From: Yuanjia Zhang Date: Wed, 28 Oct 2020 15:16:42 +0800 Subject: [PATCH 0105/1021] statistics: decouple TopN from CMSKetch (#20572) --- executor/analyze.go | 127 ++++++++++++---------- executor/analyze_test.go | 20 ++-- statistics/cmsketch.go | 177 ++++++++++++++++--------------- statistics/cmsketch_test.go | 54 +++++----- statistics/feedback.go | 21 ++-- statistics/feedback_test.go | 4 +- statistics/handle/bootstrap.go | 8 +- statistics/handle/dump.go | 12 ++- statistics/handle/dump_test.go | 4 +- statistics/handle/handle.go | 25 +++-- statistics/handle/handle_test.go | 3 +- statistics/handle/update.go | 16 +-- statistics/histogram.go | 21 +++- statistics/sample.go | 9 +- statistics/table.go | 6 +- 15 files changed, 278 insertions(+), 229 deletions(-) diff --git a/executor/analyze.go b/executor/analyze.go index e505ba45cdd1c..23b61ad5f12b6 100644 --- a/executor/analyze.go +++ b/executor/analyze.go @@ -112,7 +112,7 @@ func (e *AnalyzeExec) Next(ctx context.Context, req *chunk.Chunk) error { continue } for i, hg := range result.Hist { - err1 := statsHandle.SaveStatsToStorage(result.TableID.PersistID, result.Count, result.IsIndex, hg, result.Cms[i], 1) + err1 := statsHandle.SaveStatsToStorage(result.TableID.PersistID, result.Count, result.IsIndex, hg, result.Cms[i], result.TopNs[i], 1) if err1 != nil { err = err1 logutil.Logger(ctx).Error("save stats to storage failed", zap.Error(err)) @@ -229,7 +229,7 @@ func analyzeIndexPushdown(idxExec *AnalyzeIndexExec) analyzeResult { if len(idxExec.idxInfo.Columns) == 1 { ranges = ranger.FullNotNullRange() } - hist, cms, err := idxExec.buildStats(ranges, true) + hist, cms, topN, err := idxExec.buildStats(ranges, true) if err != nil { return analyzeResult{Err: err, job: idxExec.job} } @@ -237,6 +237,7 @@ func analyzeIndexPushdown(idxExec *AnalyzeIndexExec) analyzeResult { TableID: idxExec.tableID, Hist: []*statistics.Histogram{hist}, Cms: []*statistics.CMSketch{cms}, + TopNs: []*statistics.TopN{topN}, IsIndex: 1, job: idxExec.job, } @@ -311,10 +312,10 @@ func (e *AnalyzeIndexExec) open(ranges []*ranger.Range, considerNull bool) error return nil } -func (e *AnalyzeIndexExec) buildStatsFromResult(result distsql.SelectResult, needCMS bool) (*statistics.Histogram, *statistics.CMSketch, error) { +func (e *AnalyzeIndexExec) buildStatsFromResult(result distsql.SelectResult, needCMS bool) (*statistics.Histogram, *statistics.CMSketch, *statistics.TopN, error) { failpoint.Inject("buildStatsFromResult", func(val failpoint.Value) { if val.(bool) { - failpoint.Return(nil, nil, errors.New("mock buildStatsFromResult error")) + failpoint.Return(nil, nil, nil, errors.New("mock buildStatsFromResult error")) } }) hist := &statistics.Histogram{} @@ -325,7 +326,7 @@ func (e *AnalyzeIndexExec) buildStatsFromResult(result distsql.SelectResult, nee for { data, err := result.NextRaw(context.TODO()) if err != nil { - return nil, nil, err + return nil, nil, nil, err } if data == nil { break @@ -333,32 +334,36 @@ func (e *AnalyzeIndexExec) buildStatsFromResult(result distsql.SelectResult, nee resp := &tipb.AnalyzeIndexResp{} err = resp.Unmarshal(data) if err != nil { - return nil, nil, err + return nil, nil, nil, err } respHist := statistics.HistogramFromProto(resp.Hist) e.job.Update(int64(respHist.TotalRowCount())) hist, err = statistics.MergeHistograms(e.ctx.GetSessionVars().StmtCtx, hist, respHist, int(e.opts[ast.AnalyzeOptNumBuckets])) if err != nil { - return nil, nil, err + return nil, nil, nil, err } if needCMS { if resp.Cms == nil { logutil.Logger(context.TODO()).Warn("nil CMS in response", zap.String("table", e.idxInfo.Table.O), zap.String("index", e.idxInfo.Name.O)) - } else if err := cms.MergeCMSketch(statistics.CMSketchFromProto(resp.Cms), 0); err != nil { - return nil, nil, err + } else { + cm, _ := statistics.CMSketchAndTopNFromProto(resp.Cms) + if err := cms.MergeCMSketch(cm); err != nil { + return nil, nil, nil, err + } } } } - err := hist.ExtractTopN(cms, len(e.idxInfo.Columns), uint32(e.opts[ast.AnalyzeOptNumTopN])) + topN := statistics.NewTopN(int(e.opts[ast.AnalyzeOptNumTopN])) + err := hist.ExtractTopN(cms, topN, len(e.idxInfo.Columns), uint32(e.opts[ast.AnalyzeOptNumTopN])) if needCMS && cms != nil { cms.CalcDefaultValForAnalyze(uint64(hist.NDV)) } - return hist, cms, err + return hist, cms, topN, err } -func (e *AnalyzeIndexExec) buildStats(ranges []*ranger.Range, considerNull bool) (hist *statistics.Histogram, cms *statistics.CMSketch, err error) { +func (e *AnalyzeIndexExec) buildStats(ranges []*ranger.Range, considerNull bool) (hist *statistics.Histogram, cms *statistics.CMSketch, topN *statistics.TopN, err error) { if err = e.open(ranges, considerNull); err != nil { - return nil, nil, err + return nil, nil, nil, err } defer func() { err1 := closeAll(e.result, e.countNullRes) @@ -366,21 +371,21 @@ func (e *AnalyzeIndexExec) buildStats(ranges []*ranger.Range, considerNull bool) err = err1 } }() - hist, cms, err = e.buildStatsFromResult(e.result, true) + hist, cms, topN, err = e.buildStatsFromResult(e.result, true) if err != nil { - return nil, nil, err + return nil, nil, nil, err } if e.countNullRes != nil { - nullHist, _, err := e.buildStatsFromResult(e.countNullRes, false) + nullHist, _, _, err := e.buildStatsFromResult(e.countNullRes, false) if err != nil { - return nil, nil, err + return nil, nil, nil, err } if l := nullHist.Len(); l > 0 { hist.NullCount = nullHist.Buckets[l-1].Count } } hist.ID = e.idxInfo.ID - return hist, cms, nil + return hist, cms, topN, nil } func analyzeColumnsPushdown(colExec *AnalyzeColumnsExec) analyzeResult { @@ -394,7 +399,7 @@ func analyzeColumnsPushdown(colExec *AnalyzeColumnsExec) analyzeResult { } else { ranges = ranger.FullIntRange(false) } - hists, cms, extStats, err := colExec.buildStats(ranges, true) + hists, cms, topNs, extStats, err := colExec.buildStats(ranges, true) if err != nil { return analyzeResult{Err: err, job: colExec.job} } @@ -402,6 +407,7 @@ func analyzeColumnsPushdown(colExec *AnalyzeColumnsExec) analyzeResult { TableID: colExec.tableID, Hist: hists, Cms: cms, + TopNs: topNs, ExtStats: extStats, job: colExec.job, } @@ -476,9 +482,9 @@ func (e *AnalyzeColumnsExec) buildResp(ranges []*ranger.Range) (distsql.SelectRe return result, nil } -func (e *AnalyzeColumnsExec) buildStats(ranges []*ranger.Range, needExtStats bool) (hists []*statistics.Histogram, cms []*statistics.CMSketch, extStats *statistics.ExtendedStatsColl, err error) { +func (e *AnalyzeColumnsExec) buildStats(ranges []*ranger.Range, needExtStats bool) (hists []*statistics.Histogram, cms []*statistics.CMSketch, topNs []*statistics.TopN, extStats *statistics.ExtendedStatsColl, err error) { if err = e.open(ranges); err != nil { - return nil, nil, nil, err + return nil, nil, nil, nil, err } defer func() { if err1 := e.resultHandler.Close(); err1 != nil { @@ -501,7 +507,7 @@ func (e *AnalyzeColumnsExec) buildStats(ranges []*ranger.Range, needExtStats boo for { data, err1 := e.resultHandler.nextRaw(context.TODO()) if err1 != nil { - return nil, nil, nil, err1 + return nil, nil, nil, nil, err1 } if data == nil { break @@ -509,7 +515,7 @@ func (e *AnalyzeColumnsExec) buildStats(ranges []*ranger.Range, needExtStats boo resp := &tipb.AnalyzeColumnsResp{} err = resp.Unmarshal(data) if err != nil { - return nil, nil, nil, err + return nil, nil, nil, nil, err } sc := e.ctx.GetSessionVars().StmtCtx rowCount := int64(0) @@ -518,7 +524,7 @@ func (e *AnalyzeColumnsExec) buildStats(ranges []*ranger.Range, needExtStats boo rowCount = int64(respHist.TotalRowCount()) pkHist, err = statistics.MergeHistograms(sc, pkHist, respHist, int(e.opts[ast.AnalyzeOptNumBuckets])) if err != nil { - return nil, nil, nil, err + return nil, nil, nil, nil, err } } for i, rc := range resp.Collectors { @@ -534,26 +540,28 @@ func (e *AnalyzeColumnsExec) buildStats(ranges []*ranger.Range, needExtStats boo pkHist.ID = pkInfo.ID err = pkHist.DecodeTo(pkInfo.RetType, timeZone) if err != nil { - return nil, nil, nil, err + return nil, nil, nil, nil, err } hists = append(hists, pkHist) cms = append(cms, nil) + topNs = append(topNs, nil) } for i, col := range e.colsInfo { err := collectors[i].ExtractTopN(uint32(e.opts[ast.AnalyzeOptNumTopN]), e.ctx.GetSessionVars().StmtCtx, &col.FieldType, timeZone) if err != nil { - return nil, nil, nil, err + return nil, nil, nil, nil, err } + topNs = append(topNs, collectors[i].TopN) for j, s := range collectors[i].Samples { collectors[i].Samples[j].Ordinal = j collectors[i].Samples[j].Value, err = tablecodec.DecodeColumnValue(s.Value.GetBytes(), &col.FieldType, timeZone) if err != nil { - return nil, nil, nil, err + return nil, nil, nil, nil, err } } hg, err := statistics.BuildColumn(e.ctx, int64(e.opts[ast.AnalyzeOptNumBuckets]), col.ID, collectors[i], &col.FieldType) if err != nil { - return nil, nil, nil, err + return nil, nil, nil, nil, err } hists = append(hists, hg) collectors[i].CMSketch.CalcDefaultValForAnalyze(uint64(hg.NDV)) @@ -563,10 +571,10 @@ func (e *AnalyzeColumnsExec) buildStats(ranges []*ranger.Range, needExtStats boo statsHandle := domain.GetDomain(e.ctx).StatsHandle() extStats, err = statsHandle.BuildExtendedStats(e.tableID.PersistID, e.colsInfo, collectors) if err != nil { - return nil, nil, nil, err + return nil, nil, nil, nil, err } } - return hists, cms, extStats, nil + return hists, cms, topNs, extStats, nil } func hasPkHist(handleCols core.HandleCols) bool { @@ -587,7 +595,7 @@ var ( ) func analyzeFastExec(exec *AnalyzeFastExec) []analyzeResult { - hists, cms, err := exec.buildStats() + hists, cms, topNs, err := exec.buildStats() if err != nil { return []analyzeResult{{Err: err, job: exec.job}} } @@ -599,6 +607,7 @@ func analyzeFastExec(exec *AnalyzeFastExec) []analyzeResult { TableID: exec.tableID, Hist: []*statistics.Histogram{hists[i]}, Cms: []*statistics.CMSketch{cms[i]}, + TopNs: []*statistics.TopN{topNs[i]}, IsIndex: 1, Count: hists[i].NullCount, job: exec.job, @@ -617,6 +626,7 @@ func analyzeFastExec(exec *AnalyzeFastExec) []analyzeResult { TableID: exec.tableID, Hist: hists[:pkColCount+len(exec.colsInfo)], Cms: cms[:pkColCount+len(exec.colsInfo)], + TopNs: topNs[:pkColCount+len(exec.colsInfo)], Count: hist.NullCount, job: exec.job, } @@ -994,7 +1004,7 @@ func (e *AnalyzeFastExec) handleSampTasks(workID int, step uint32, err *error) { } } -func (e *AnalyzeFastExec) buildColumnStats(ID int64, collector *statistics.SampleCollector, tp *types.FieldType, rowCount int64) (*statistics.Histogram, *statistics.CMSketch, error) { +func (e *AnalyzeFastExec) buildColumnStats(ID int64, collector *statistics.SampleCollector, tp *types.FieldType, rowCount int64) (*statistics.Histogram, *statistics.CMSketch, *statistics.TopN, error) { data := make([][]byte, 0, len(collector.Samples)) for i, sample := range collector.Samples { sample.Ordinal = i @@ -1004,18 +1014,18 @@ func (e *AnalyzeFastExec) buildColumnStats(ID int64, collector *statistics.Sampl } bytes, err := tablecodec.EncodeValue(e.ctx.GetSessionVars().StmtCtx, nil, sample.Value) if err != nil { - return nil, nil, err + return nil, nil, nil, err } data = append(data, bytes) } // Build CMSketch. - cmSketch, ndv, scaleRatio := statistics.NewCMSketchWithTopN(int32(e.opts[ast.AnalyzeOptCMSketchDepth]), int32(e.opts[ast.AnalyzeOptCMSketchWidth]), data, uint32(e.opts[ast.AnalyzeOptNumTopN]), uint64(rowCount)) + cmSketch, topN, ndv, scaleRatio := statistics.NewCMSketchAndTopN(int32(e.opts[ast.AnalyzeOptCMSketchDepth]), int32(e.opts[ast.AnalyzeOptCMSketchWidth]), data, uint32(e.opts[ast.AnalyzeOptNumTopN]), uint64(rowCount)) // Build Histogram. hist, err := statistics.BuildColumnHist(e.ctx, int64(e.opts[ast.AnalyzeOptNumBuckets]), ID, collector, tp, rowCount, int64(ndv), collector.NullCount*int64(scaleRatio)) - return hist, cmSketch, err + return hist, cmSketch, topN, err } -func (e *AnalyzeFastExec) buildIndexStats(idxInfo *model.IndexInfo, collector *statistics.SampleCollector, rowCount int64) (*statistics.Histogram, *statistics.CMSketch, error) { +func (e *AnalyzeFastExec) buildIndexStats(idxInfo *model.IndexInfo, collector *statistics.SampleCollector, rowCount int64) (*statistics.Histogram, *statistics.CMSketch, *statistics.TopN, error) { data := make([][][]byte, len(idxInfo.Columns)) for _, sample := range collector.Samples { var preLen int @@ -1026,30 +1036,32 @@ func (e *AnalyzeFastExec) buildIndexStats(idxInfo *model.IndexInfo, collector *s var value []byte value, remained, err = codec.CutOne(remained) if err != nil { - return nil, nil, err + return nil, nil, nil, err } preLen += len(value) data[i] = append(data[i], sample.Value.GetBytes()[:preLen]) } } numTop := uint32(e.opts[ast.AnalyzeOptNumTopN]) - cmSketch, ndv, scaleRatio := statistics.NewCMSketchWithTopN(int32(e.opts[ast.AnalyzeOptCMSketchDepth]), int32(e.opts[ast.AnalyzeOptCMSketchWidth]), data[0], numTop, uint64(rowCount)) + cmSketch, topN, ndv, scaleRatio := statistics.NewCMSketchAndTopN(int32(e.opts[ast.AnalyzeOptCMSketchDepth]), int32(e.opts[ast.AnalyzeOptCMSketchWidth]), data[0], numTop, uint64(rowCount)) // Build CM Sketch for each prefix and merge them into one. for i := 1; i < len(idxInfo.Columns); i++ { var curCMSketch *statistics.CMSketch + var curTopN *statistics.TopN // `ndv` should be the ndv of full index, so just rewrite it here. - curCMSketch, ndv, scaleRatio = statistics.NewCMSketchWithTopN(int32(e.opts[ast.AnalyzeOptCMSketchDepth]), int32(e.opts[ast.AnalyzeOptCMSketchWidth]), data[i], numTop, uint64(rowCount)) - err := cmSketch.MergeCMSketch(curCMSketch, numTop) + curCMSketch, curTopN, ndv, scaleRatio = statistics.NewCMSketchAndTopN(int32(e.opts[ast.AnalyzeOptCMSketchDepth]), int32(e.opts[ast.AnalyzeOptCMSketchWidth]), data[i], numTop, uint64(rowCount)) + err := cmSketch.MergeCMSketch(curCMSketch) if err != nil { - return nil, nil, err + return nil, nil, nil, err } + statistics.MergeTopN(topN, curTopN, cmSketch, numTop, false) } // Build Histogram. hist, err := statistics.BuildColumnHist(e.ctx, int64(e.opts[ast.AnalyzeOptNumBuckets]), idxInfo.ID, collector, types.NewFieldType(mysql.TypeBlob), rowCount, int64(ndv), collector.NullCount*int64(scaleRatio)) - return hist, cmSketch, err + return hist, cmSketch, topN, err } -func (e *AnalyzeFastExec) runTasks() ([]*statistics.Histogram, []*statistics.CMSketch, error) { +func (e *AnalyzeFastExec) runTasks() ([]*statistics.Histogram, []*statistics.CMSketch, []*statistics.TopN, error) { errs := make([]error, e.concurrency) pkColCount := pkColsCount(e.handleCols) // collect column samples and primary key samples and index samples. @@ -1070,14 +1082,14 @@ func (e *AnalyzeFastExec) runTasks() ([]*statistics.Histogram, []*statistics.CMS e.wg.Wait() for _, err := range errs { if err != nil { - return nil, nil, err + return nil, nil, nil, err } } scanKeysSize, err := e.handleScanTasks(bo) fastAnalyzeHistogramScanKeys.Observe(float64(scanKeysSize)) if err != nil { - return nil, nil, err + return nil, nil, nil, err } stats := domain.GetDomain(e.ctx).StatsHandle() @@ -1087,7 +1099,7 @@ func (e *AnalyzeFastExec) runTasks() ([]*statistics.Histogram, []*statistics.CMS rowCount = t.Count } } - hists, cms := make([]*statistics.Histogram, length), make([]*statistics.CMSketch, length) + hists, cms, topNs := make([]*statistics.Histogram, length), make([]*statistics.CMSketch, length), make([]*statistics.TopN, length) for i := 0; i < length; i++ { // Build collector properties. collector := e.collectors[i] @@ -1102,20 +1114,20 @@ func (e *AnalyzeFastExec) runTasks() ([]*statistics.Histogram, []*statistics.CMS } if i < pkColCount { pkCol := e.handleCols.GetCol(i) - hists[i], cms[i], err = e.buildColumnStats(pkCol.ID, e.collectors[i], pkCol.RetType, rowCount) + hists[i], cms[i], topNs[i], err = e.buildColumnStats(pkCol.ID, e.collectors[i], pkCol.RetType, rowCount) } else if i < pkColCount+len(e.colsInfo) { - hists[i], cms[i], err = e.buildColumnStats(e.colsInfo[i-pkColCount].ID, e.collectors[i], &e.colsInfo[i-pkColCount].FieldType, rowCount) + hists[i], cms[i], topNs[i], err = e.buildColumnStats(e.colsInfo[i-pkColCount].ID, e.collectors[i], &e.colsInfo[i-pkColCount].FieldType, rowCount) } else { - hists[i], cms[i], err = e.buildIndexStats(e.idxsInfo[i-pkColCount-len(e.colsInfo)], e.collectors[i], rowCount) + hists[i], cms[i], topNs[i], err = e.buildIndexStats(e.idxsInfo[i-pkColCount-len(e.colsInfo)], e.collectors[i], rowCount) } if err != nil { - return nil, nil, err + return nil, nil, nil, err } } - return hists, cms, nil + return hists, cms, topNs, nil } -func (e *AnalyzeFastExec) buildStats() (hists []*statistics.Histogram, cms []*statistics.CMSketch, err error) { +func (e *AnalyzeFastExec) buildStats() (hists []*statistics.Histogram, cms []*statistics.CMSketch, topNs []*statistics.TopN, err error) { // To set rand seed, it's for unit test. // To ensure that random sequences are different in non-test environments, RandSeed must be set time.Now(). if RandSeed == 1 { @@ -1126,7 +1138,7 @@ func (e *AnalyzeFastExec) buildStats() (hists []*statistics.Histogram, cms []*st err = e.buildSampTask() if err != nil { - return nil, nil, err + return nil, nil, nil, err } return e.runTasks() @@ -1158,7 +1170,7 @@ func (e *AnalyzeTestFastExec) TestFastSample() error { e.job = &statistics.AnalyzeJob{} e.tblInfo = e.TblInfo e.opts = e.Opts - _, _, err := e.buildStats() + _, _, _, err := e.buildStats() e.Collectors = e.collectors return err } @@ -1176,7 +1188,7 @@ func analyzeIndexIncremental(idxExec *analyzeIndexIncrementalExec) analyzeResult return analyzeResult{Err: err, job: idxExec.job} } ran := ranger.Range{LowVal: values, HighVal: []types.Datum{types.MaxValueDatum()}} - hist, cms, err := idxExec.buildStats([]*ranger.Range{&ran}, false) + hist, cms, topN, err := idxExec.buildStats([]*ranger.Range{&ran}, false) if err != nil { return analyzeResult{Err: err, job: idxExec.job} } @@ -1195,6 +1207,7 @@ func analyzeIndexIncremental(idxExec *analyzeIndexIncrementalExec) analyzeResult TableID: idxExec.tableID, Hist: []*statistics.Histogram{hist}, Cms: []*statistics.CMSketch{cms}, + TopNs: []*statistics.TopN{topN}, IsIndex: 1, job: idxExec.job, } @@ -1220,7 +1233,7 @@ func analyzePKIncremental(colExec *analyzePKIncrementalExec) analyzeResult { } startPos := *colExec.oldHist.GetUpper(colExec.oldHist.Len() - 1) ran := ranger.Range{LowVal: []types.Datum{startPos}, LowExclude: true, HighVal: []types.Datum{maxVal}} - hists, _, _, err := colExec.buildStats([]*ranger.Range{&ran}, false) + hists, _, _, _, err := colExec.buildStats([]*ranger.Range{&ran}, false) if err != nil { return analyzeResult{Err: err, job: colExec.job} } @@ -1233,6 +1246,7 @@ func analyzePKIncremental(colExec *analyzePKIncrementalExec) analyzeResult { TableID: colExec.tableID, Hist: []*statistics.Histogram{hist}, Cms: []*statistics.CMSketch{nil}, + TopNs: []*statistics.TopN{nil}, job: colExec.job, } if hist.Len() > 0 { @@ -1246,6 +1260,7 @@ type analyzeResult struct { TableID core.AnalyzeTableID Hist []*statistics.Histogram Cms []*statistics.CMSketch + TopNs []*statistics.TopN ExtStats *statistics.ExtendedStatsColl Count int64 IsIndex int diff --git a/executor/analyze_test.go b/executor/analyze_test.go index b3880ed9b434f..425a377d519dd 100644 --- a/executor/analyze_test.go +++ b/executor/analyze_test.go @@ -181,7 +181,7 @@ func (s *testSuite1) TestAnalyzeParameters(c *C) { tbl := s.dom.StatsHandle().GetTableStats(tableInfo) col := tbl.Columns[1] c.Assert(col.Len(), Equals, 20) - c.Assert(len(col.CMSketch.TopN()), Equals, 1) + c.Assert(len(col.TopN.TopN()), Equals, 1) width, depth := col.CMSketch.GetWidthAndDepth() c.Assert(depth, Equals, int32(5)) c.Assert(width, Equals, int32(2048)) @@ -190,7 +190,7 @@ func (s *testSuite1) TestAnalyzeParameters(c *C) { tbl = s.dom.StatsHandle().GetTableStats(tableInfo) col = tbl.Columns[1] c.Assert(col.Len(), Equals, 4) - c.Assert(len(col.CMSketch.TopN()), Equals, 0) + c.Assert(len(col.TopN.TopN()), Equals, 0) width, depth = col.CMSketch.GetWidthAndDepth() c.Assert(depth, Equals, int32(4)) c.Assert(width, Equals, int32(4)) @@ -505,7 +505,7 @@ func (s *testSuite1) testAnalyzeIncremental(tk *testkit.TestKit, c *C) { tblStats := h.GetTableStats(tblInfo) val, err := codec.EncodeKey(tk.Se.GetSessionVars().StmtCtx, nil, types.NewIntDatum(3)) c.Assert(err, IsNil) - c.Assert(tblStats.Indices[tblInfo.Indices[0].ID].CMSketch.QueryBytes(val), Equals, uint64(1)) + c.Assert(tblStats.Indices[tblInfo.Indices[0].ID].QueryBytes(val), Equals, uint64(1)) c.Assert(statistics.IsAnalyzed(tblStats.Indices[tblInfo.Indices[0].ID].Flag), IsFalse) c.Assert(statistics.IsAnalyzed(tblStats.Columns[tblInfo.Columns[0].ID].Flag), IsFalse) @@ -513,7 +513,7 @@ func (s *testSuite1) testAnalyzeIncremental(tk *testkit.TestKit, c *C) { tk.MustQuery("show stats_buckets").Check(testkit.Rows("test t a 0 0 1 1 1 1", "test t a 0 1 2 1 2 2", "test t a 0 2 3 1 3 3", "test t idx 1 0 1 1 1 1", "test t idx 1 1 2 1 2 2", "test t idx 1 2 3 1 3 3")) tblStats = h.GetTableStats(tblInfo) - c.Assert(tblStats.Indices[tblInfo.Indices[0].ID].CMSketch.QueryBytes(val), Equals, uint64(1)) + c.Assert(tblStats.Indices[tblInfo.Indices[0].ID].QueryBytes(val), Equals, uint64(1)) } type testFastAnalyze struct { @@ -613,12 +613,12 @@ func (s *testSuite1) TestExtractTopN(c *C) { tblInfo := table.Meta() tblStats := s.dom.StatsHandle().GetTableStats(tblInfo) colStats := tblStats.Columns[tblInfo.Columns[1].ID] - c.Assert(len(colStats.CMSketch.TopN()), Equals, 1) - item := colStats.CMSketch.TopN()[0] + c.Assert(len(colStats.TopN.TopN()), Equals, 1) + item := colStats.TopN.TopN()[0] c.Assert(item.Count, Equals, uint64(11)) idxStats := tblStats.Indices[tblInfo.Indices[0].ID] - c.Assert(len(idxStats.CMSketch.TopN()), Equals, 1) - item = idxStats.CMSketch.TopN()[0] + c.Assert(len(idxStats.TopN.TopN()), Equals, 1) + item = idxStats.TopN.TopN()[0] c.Assert(item.Count, Equals, uint64(11)) } @@ -648,8 +648,8 @@ func (s *testSuite1) TestHashInTopN(c *C) { tblStats2 := s.dom.StatsHandle().GetTableStats(tblInfo).Copy() // check the hash for topn for _, col := range tblInfo.Columns { - topn1 := tblStats1.Columns[col.ID].CMSketch.TopNMap() - cm2 := tblStats2.Columns[col.ID].CMSketch + topn1 := tblStats1.Columns[col.ID].TopN.TopNMap() + cm2 := tblStats2.Columns[col.ID].TopN for h1, topnMetas := range topn1 { for _, topnMeta1 := range topnMetas { count2, exists := cm2.QueryTopN(h1, topnMeta1.GetH2(), topnMeta1.Data) diff --git a/statistics/cmsketch.go b/statistics/cmsketch.go index 5ca7bf4e41bf9..1d07b48e015f2 100644 --- a/statistics/cmsketch.go +++ b/statistics/cmsketch.go @@ -43,7 +43,6 @@ type CMSketch struct { count uint64 // TopN is not counted in count defaultValue uint64 // In sampled data, if cmsketch returns a small value (less than avg value / 2), then this will returned. table [][]uint32 - topN map[uint64][]*TopNMeta } // TopNMeta is a simple counter used by BuildTopN. @@ -122,10 +121,10 @@ func newTopNHelper(sample [][]byte, numTop uint32) *topNHelper { return &topNHelper{uint64(len(sample)), sorted, onlyOnceItems, sumTopN, actualNumTop} } -// NewCMSketchWithTopN returns a new CM sketch with TopN elements, the estimate NDV and the scale ratio. -func NewCMSketchWithTopN(d, w int32, sample [][]byte, numTop uint32, rowCount uint64) (*CMSketch, uint64, uint64) { +// NewCMSketchAndTopN returns a new CM sketch with TopN elements, the estimate NDV and the scale ratio. +func NewCMSketchAndTopN(d, w int32, sample [][]byte, numTop uint32, rowCount uint64) (*CMSketch, *TopN, uint64, uint64) { if rowCount == 0 || len(sample) == 0 { - return nil, 0, 0 + return nil, nil, 0, 0 } helper := newTopNHelper(sample, numTop) // rowCount is not a accurate value when fast analyzing @@ -133,19 +132,19 @@ func NewCMSketchWithTopN(d, w int32, sample [][]byte, numTop uint32, rowCount ui rowCount = mathutil.MaxUint64(rowCount, uint64(len(sample))) estimateNDV, scaleRatio := calculateEstimateNDV(helper, rowCount) defaultVal := calculateDefaultVal(helper, estimateNDV, scaleRatio, rowCount) - c := buildCMSWithTopN(helper, d, w, scaleRatio, defaultVal) - return c, estimateNDV, scaleRatio + c, t := buildCMSAndTopN(helper, d, w, scaleRatio, defaultVal) + return c, t, estimateNDV, scaleRatio } -func buildCMSWithTopN(helper *topNHelper, d, w int32, scaleRatio uint64, defaultVal uint64) (c *CMSketch) { +func buildCMSAndTopN(helper *topNHelper, d, w int32, scaleRatio uint64, defaultVal uint64) (c *CMSketch, t *TopN) { c = NewCMSketch(d, w) enableTopN := helper.sampleSize/topNThreshold <= helper.sumTopN if enableTopN { - c.topN = make(map[uint64][]*TopNMeta, helper.actualNumTop) + t = NewTopN(int(helper.actualNumTop)) for i := uint32(0); i < helper.actualNumTop; i++ { data, cnt := helper.sorted[i].data, helper.sorted[i].cnt h1, h2 := murmur3.Sum128(data) - c.topN[h1] = append(c.topN[h1], &TopNMeta{h2, data, cnt * scaleRatio}) + t.topN[h1] = append(t.topN[h1], &TopNMeta{h2, data, cnt * scaleRatio}) } helper.sorted = helper.sorted[helper.actualNumTop:] } @@ -172,7 +171,7 @@ func calculateDefaultVal(helper *topNHelper, estimateNDV, scaleRatio, rowCount u return estimateRemainingCount / mathutil.MaxUint64(1, estimateNDV-sampleNDV+helper.onlyOnceItems) } -func (c *CMSketch) findTopNMeta(h1, h2 uint64, d []byte) *TopNMeta { +func (c *TopN) findTopNMeta(h1, h2 uint64, d []byte) *TopNMeta { for _, meta := range c.topN[h1] { if meta.h2 == h2 && bytes.Equal(d, meta.Data) { return meta @@ -192,8 +191,8 @@ func (c *CMSketch) MemoryUsage() (sum int64) { // queryAddTopN TopN adds count to CMSketch.topN if exists, and returns the count of such elements after insert. // If such elements does not in topn elements, nothing will happen and false will be returned. -func (c *CMSketch) updateTopNWithDelta(h1, h2 uint64, d []byte, delta uint64) bool { - if c.topN == nil { +func (c *TopN) updateTopNWithDelta(h1, h2 uint64, d []byte, delta uint64) bool { + if c == nil || c.topN == nil { return false } meta := c.findTopNMeta(h1, h2, d) @@ -205,8 +204,8 @@ func (c *CMSketch) updateTopNWithDelta(h1, h2 uint64, d []byte, delta uint64) bo } // QueryTopN returns the results for (h1, h2) in murmur3.Sum128(), if not exists, return (0, false). -func (c *CMSketch) QueryTopN(h1, h2 uint64, d []byte) (uint64, bool) { - if c.topN == nil { +func (c *TopN) QueryTopN(h1, h2 uint64, d []byte) (uint64, bool) { + if c == nil { return 0, false } meta := c.findTopNMeta(h1, h2, d) @@ -221,12 +220,9 @@ func (c *CMSketch) InsertBytes(bytes []byte) { c.insertBytesByCount(bytes, 1) } -// insertBytesByCount adds the bytes value into the TopN (if value already in TopN) or CM Sketch by delta, this does not updates c.defaultValue. +// InsertBytesByCount adds the bytes value into the TopN (if value already in TopN) or CM Sketch by delta, this does not updates c.defaultValue. func (c *CMSketch) insertBytesByCount(bytes []byte, count uint64) { h1, h2 := murmur3.Sum128(bytes) - if c.updateTopNWithDelta(h1, h2, bytes, count) { - return - } c.count += count for i := range c.table { j := (h1 + h2*uint64(i)) % uint64(c.width) @@ -238,12 +234,11 @@ func (c *CMSketch) considerDefVal(cnt uint64) bool { return (cnt == 0 || (cnt > c.defaultValue && cnt < 2*(c.count/uint64(c.width)))) && c.defaultValue > 0 } -// updateValueBytes updates value of d to count. -func (c *CMSketch) updateValueBytes(d []byte, count uint64) { +func updateValueBytes(c *CMSketch, t *TopN, d []byte, count uint64) { h1, h2 := murmur3.Sum128(d) - if oriCount, ok := c.QueryTopN(h1, h2, d); ok { + if oriCount, ok := t.QueryTopN(h1, h2, d); ok { deltaCount := count - oriCount - c.updateTopNWithDelta(h1, h2, d, deltaCount) + t.updateTopNWithDelta(h1, h2, d, deltaCount) } c.setValue(h1, h2, count) } @@ -278,12 +273,16 @@ func (c *CMSketch) subValue(h1, h2 uint64, count uint64) { } } -func (c *CMSketch) queryValue(sc *stmtctx.StatementContext, val types.Datum) (uint64, error) { +func queryValue(sc *stmtctx.StatementContext, c *CMSketch, t *TopN, val types.Datum) (uint64, error) { bytes, err := tablecodec.EncodeValue(sc, nil, val) if err != nil { return 0, errors.Trace(err) } - return c.QueryBytes(bytes), nil + h1, h2 := murmur3.Sum128(bytes) + if ret, ok := t.QueryTopN(h1, h2, bytes); ok { + return ret, nil + } + return c.queryHashValue(h1, h2), nil } // QueryBytes is used to query the count of specified bytes. @@ -292,9 +291,6 @@ func (c *CMSketch) QueryBytes(d []byte) uint64 { failpoint.Return(uint64(val.(int))) }) h1, h2 := murmur3.Sum128(d) - if count, ok := c.QueryTopN(h1, h2, d); ok { - return count - } return c.queryHashValue(h1, h2) } @@ -333,14 +329,18 @@ func (c *CMSketch) queryHashValue(h1, h2 uint64) uint64 { return uint64(res) } -func (c *CMSketch) mergeTopN(lTopN map[uint64][]*TopNMeta, rTopN map[uint64][]*TopNMeta, numTop uint32, usingMax bool) { +// MergeTopN merges the src TopN into the dst, and spilled values will be inserted into the CMSketch. +func MergeTopN(dst, src *TopN, c *CMSketch, numTop uint32, usingMax bool) { + if dst.TotalCount() == 0 || src.TotalCount() == 0 { + return + } counter := make(map[hack.MutableString]uint64) - for _, metas := range lTopN { + for _, metas := range dst.topN { for _, meta := range metas { counter[hack.String(meta.Data)] += meta.Count } } - for _, metas := range rTopN { + for _, metas := range src.topN { for _, meta := range metas { if usingMax { counter[hack.String(meta.Data)] = mathutil.MaxUint64(counter[hack.String(meta.Data)], meta.Count) @@ -358,12 +358,12 @@ func (c *CMSketch) mergeTopN(lTopN map[uint64][]*TopNMeta, rTopN map[uint64][]*T }) numTop = mathutil.MinUint32(uint32(len(counter)), numTop) lastTopCnt := sorted[numTop-1] - c.topN = make(map[uint64][]*TopNMeta) + dst.topN = make(map[uint64][]*TopNMeta) for value, cnt := range counter { data := hack.Slice(string(value)) if cnt >= lastTopCnt { h1, h2 := murmur3.Sum128(data) - c.topN[h1] = append(c.topN[h1], &TopNMeta{h2, data, cnt}) + dst.topN[h1] = append(dst.topN[h1], &TopNMeta{h2, data, cnt}) } else { c.insertBytesByCount(data, cnt) } @@ -371,16 +371,13 @@ func (c *CMSketch) mergeTopN(lTopN map[uint64][]*TopNMeta, rTopN map[uint64][]*T } // MergeCMSketch merges two CM Sketch. -func (c *CMSketch) MergeCMSketch(rc *CMSketch, numTopN uint32) error { +func (c *CMSketch) MergeCMSketch(rc *CMSketch) error { if c == nil || rc == nil { return nil } if c.depth != rc.depth || c.width != rc.width { return errors.New("Dimensions of Count-Min Sketch should be the same") } - if len(c.topN) > 0 || len(rc.topN) > 0 { - c.mergeTopN(c.topN, rc.topN, numTopN, false) - } c.count += rc.count for i := range c.table { for j := range c.table[i] { @@ -402,9 +399,6 @@ func (c *CMSketch) MergeCMSketch4IncrementalAnalyze(rc *CMSketch, numTopN uint32 if c.depth != rc.depth || c.width != rc.width { return errors.New("Dimensions of Count-Min Sketch should be the same") } - if len(c.topN) > 0 || len(rc.topN) > 0 { - c.mergeTopN(c.topN, rc.topN, numTopN, true) - } for i := range c.table { c.count = 0 for j := range c.table[i] { @@ -424,19 +418,14 @@ func CMSketchToProto(c *CMSketch) *tipb.CMSketch { protoSketch.Rows[i].Counters[j] = c.table[i][j] } } - for _, dataSlice := range c.topN { - for _, dataMeta := range dataSlice { - protoSketch.TopN = append(protoSketch.TopN, &tipb.CMSketchTopN{Data: dataMeta.Data, Count: dataMeta.Count}) - } - } protoSketch.DefaultValue = c.defaultValue return protoSketch } -// CMSketchFromProto converts CMSketch from its protobuf representation. -func CMSketchFromProto(protoSketch *tipb.CMSketch) *CMSketch { +// CMSketchAndTopNFromProto converts CMSketch and TopN from its protobuf representation. +func CMSketchAndTopNFromProto(protoSketch *tipb.CMSketch) (*CMSketch, *TopN) { if protoSketch == nil || len(protoSketch.Rows) == 0 { - return nil + return nil, nil } c := NewCMSketch(int32(len(protoSketch.Rows)), int32(len(protoSketch.Rows[0].Counters))) for i, row := range protoSketch.Rows { @@ -448,14 +437,19 @@ func CMSketchFromProto(protoSketch *tipb.CMSketch) *CMSketch { } c.defaultValue = protoSketch.DefaultValue if len(protoSketch.TopN) == 0 { - return c + return c, nil } - c.topN = make(map[uint64][]*TopNMeta, len(protoSketch.TopN)) - for _, e := range protoSketch.TopN { + return c, TopNFromProto(protoSketch.TopN) +} + +// TopNFromProto converts TopN from its protobuf representation. +func TopNFromProto(protoTopN []*tipb.CMSketchTopN) *TopN { + topN := NewTopN(32) + for _, e := range protoTopN { h1, h2 := murmur3.Sum128(e.Data) - c.topN[h1] = append(c.topN[h1], &TopNMeta{h2, e.Data, e.Count}) + topN.topN[h1] = append(topN.topN[h1], &TopNMeta{h2, e.Data, e.Count}) } - return c + return topN } // EncodeCMSketchWithoutTopN encodes the given CMSketch to byte slice. @@ -470,33 +464,42 @@ func EncodeCMSketchWithoutTopN(c *CMSketch) ([]byte, error) { return protoData, err } -// DecodeCMSketch decode a CMSketch from the given byte slice. -func DecodeCMSketch(data []byte, topNRows []chunk.Row) (*CMSketch, error) { +// DecodeCMSketchAndTopN decode a CMSketch from the given byte slice. +func DecodeCMSketchAndTopN(data []byte, topNRows []chunk.Row) (*CMSketch, *TopN, error) { if data == nil { - return nil, nil + return nil, nil, nil } p := &tipb.CMSketch{} err := p.Unmarshal(data) if err != nil { - return nil, errors.Trace(err) + return nil, nil, errors.Trace(err) } for _, row := range topNRows { data := make([]byte, len(row.GetBytes(0))) copy(data, row.GetBytes(0)) p.TopN = append(p.TopN, &tipb.CMSketchTopN{Data: data, Count: row.GetUint64(1)}) } - return CMSketchFromProto(p), nil + cm, topN := CMSketchAndTopNFromProto(p) + return cm, topN, nil } // TotalCount returns the total count in the sketch, it is only used for test. func (c *CMSketch) TotalCount() uint64 { - res := c.count + return c.count +} + +// TotalCount returns the total count in the TopN. +func (c *TopN) TotalCount() uint64 { + if c == nil { + return 0 + } + var cnt uint64 for _, metas := range c.topN { for _, meta := range metas { - res += meta.Count + cnt += meta.Count } } - return res + return cnt } // Equal tests if two CM Sketch equal, it is only used for test. @@ -514,24 +517,29 @@ func (c *CMSketch) Copy() *CMSketch { tbl[i] = make([]uint32, c.width) copy(tbl[i], c.table[i]) } - var topN map[uint64][]*TopNMeta - if c.topN != nil { - topN = make(map[uint64][]*TopNMeta, len(c.topN)) - for h1, vals := range c.topN { - newVals := make([]*TopNMeta, 0, len(vals)) - for _, val := range vals { - newVal := TopNMeta{h2: val.h2, Count: val.Count, Data: make([]byte, len(val.Data))} - copy(newVal.Data, val.Data) - newVals = append(newVals, &newVal) - } - topN[h1] = newVals + return &CMSketch{count: c.count, width: c.width, depth: c.depth, table: tbl, defaultValue: c.defaultValue} +} + +// Copy makes a copy for current TopN. +func (c *TopN) Copy() *TopN { + if c == nil { + return nil + } + topN := make(map[uint64][]*TopNMeta, len(c.topN)) + for h1, vals := range c.topN { + newVals := make([]*TopNMeta, 0, len(vals)) + for _, val := range vals { + newVal := TopNMeta{h2: val.h2, Count: val.Count, Data: make([]byte, len(val.Data))} + copy(newVal.Data, val.Data) + newVals = append(newVals, &newVal) } + topN[h1] = newVals } - return &CMSketch{count: c.count, width: c.width, depth: c.depth, table: tbl, defaultValue: c.defaultValue, topN: topN} + return &TopN{topN} } // TopN gets all the topN meta. -func (c *CMSketch) TopN() []*TopNMeta { +func (c *TopN) TopN() []*TopNMeta { if c == nil { return nil } @@ -543,12 +551,12 @@ func (c *CMSketch) TopN() []*TopNMeta { } // TopNMap gets the origin topN map. -func (c *CMSketch) TopNMap() map[uint64][]*TopNMeta { +func (c *TopN) TopNMap() map[uint64][]*TopNMeta { return c.topN } // AppendTopN appends a topn into the cm sketch. -func (c *CMSketch) AppendTopN(data []byte, count uint64) { +func (c *TopN) AppendTopN(data []byte, count uint64) { if c.topN == nil { c.topN = make(map[uint64][]*TopNMeta) } @@ -564,12 +572,15 @@ func (c *CMSketch) GetWidthAndDepth() (int32, int32) { // CalcDefaultValForAnalyze calculate the default value for Analyze. // The value of it is count / NDV in CMSketch. This means count and NDV are not include topN. func (c *CMSketch) CalcDefaultValForAnalyze(NDV uint64) { - // If NDV <= TopN, all values should be in TopN. - // So we set c.defaultValue to 0 and return immediately. - if NDV <= uint64(len(c.topN)) { - c.defaultValue = 0 - return - } - remainNDV := NDV - uint64(len(c.topN)) - c.defaultValue = c.count / mathutil.MaxUint64(1, remainNDV) + c.defaultValue = c.count / mathutil.MaxUint64(1, NDV) +} + +// TopN stores most-common values, which is used to estimate point queries. +type TopN struct { + topN map[uint64][]*TopNMeta +} + +// NewTopN returns a new TopN with n slots. +func NewTopN(n int) *TopN { + return &TopN{topN: make(map[uint64][]*TopNMeta, n)} } diff --git a/statistics/cmsketch_test.go b/statistics/cmsketch_test.go index 21f95c2c4c157..186b7d92ca1a4 100644 --- a/statistics/cmsketch_test.go +++ b/statistics/cmsketch_test.go @@ -38,17 +38,17 @@ func (c *CMSketch) insert(val *types.Datum) error { return nil } -func prepareCMSWithTopN(d, w int32, vals []*types.Datum, n uint32, total uint64) (*CMSketch, error) { +func prepareCMSAndTopN(d, w int32, vals []*types.Datum, n uint32, total uint64) (*CMSketch, *TopN, error) { data := make([][]byte, 0, len(vals)) for _, v := range vals { bytes, err := codec.EncodeValue(nil, nil, *v) if err != nil { - return nil, errors.Trace(err) + return nil, nil, errors.Trace(err) } data = append(data, bytes) } - cms, _, _ := NewCMSketchWithTopN(d, w, data, n, total) - return cms, nil + cms, topN, _, _ := NewCMSketchAndTopN(d, w, data, n, total) + return cms, topN, nil } // buildCMSketchAndMapWithOffset builds cm sketch using zipf and the generated values starts from `offset`. @@ -71,7 +71,7 @@ func buildCMSketchAndMap(d, w int32, seed int64, total, imax uint64, s float64) return buildCMSketchAndMapWithOffset(d, w, seed, total, imax, s, 0) } -func buildCMSketchTopNAndMap(d, w, n, sample int32, seed int64, total, imax uint64, s float64) (*CMSketch, map[int64]uint32, error) { +func buildCMSketchTopNAndMap(d, w, n, sample int32, seed int64, total, imax uint64, s float64) (*CMSketch, *TopN, map[int64]uint32, error) { mp := make(map[int64]uint32) zipf := rand.NewZipf(rand.New(rand.NewSource(seed)), s, 1, imax) vals := make([]*types.Datum, 0) @@ -82,15 +82,15 @@ func buildCMSketchTopNAndMap(d, w, n, sample int32, seed int64, total, imax uint vals = append(vals, &val) } } - cms, err := prepareCMSWithTopN(d, w, vals, uint32(n), total) - return cms, mp, err + cms, topN, err := prepareCMSAndTopN(d, w, vals, uint32(n), total) + return cms, topN, mp, err } -func averageAbsoluteError(cms *CMSketch, mp map[int64]uint32) (uint64, error) { +func averageAbsoluteError(cms *CMSketch, topN *TopN, mp map[int64]uint32) (uint64, error) { sc := &stmtctx.StatementContext{TimeZone: time.Local} var total uint64 for num, count := range mp { - estimate, err := cms.queryValue(sc, types.NewIntDatum(num)) + estimate, err := queryValue(sc, cms, topN, types.NewIntDatum(num)) if err != nil { return 0, errors.Trace(err) } @@ -128,22 +128,22 @@ func (s *testStatisticsSuite) TestCMSketch(c *C) { for _, t := range tests { lSketch, lMap, err := buildCMSketchAndMap(d, w, 0, total, imax, t.zipfFactor) c.Check(err, IsNil) - avg, err := averageAbsoluteError(lSketch, lMap) + avg, err := averageAbsoluteError(lSketch, nil, lMap) c.Assert(err, IsNil) c.Check(avg, LessEqual, t.avgError) rSketch, rMap, err := buildCMSketchAndMap(d, w, 1, total, imax, t.zipfFactor) c.Check(err, IsNil) - avg, err = averageAbsoluteError(rSketch, rMap) + avg, err = averageAbsoluteError(rSketch, nil, rMap) c.Assert(err, IsNil) c.Check(avg, LessEqual, t.avgError) - err = lSketch.MergeCMSketch(rSketch, 0) + err = lSketch.MergeCMSketch(rSketch) c.Assert(err, IsNil) for val, count := range rMap { lMap[val] += count } - avg, err = averageAbsoluteError(lSketch, lMap) + avg, err = averageAbsoluteError(lSketch, nil, lMap) c.Assert(err, IsNil) c.Check(avg, Less, t.avgError*2) } @@ -160,7 +160,7 @@ func (s *testStatisticsSuite) TestCMSketchCoding(c *C) { bytes, err := EncodeCMSketchWithoutTopN(lSketch) c.Assert(err, IsNil) c.Assert(len(bytes), Equals, 61457) - rSketch, err := DecodeCMSketch(bytes, nil) + rSketch, _, err := DecodeCMSketchAndTopN(bytes, nil) c.Assert(err, IsNil) c.Assert(lSketch.Equal(rSketch), IsTrue) } @@ -194,10 +194,10 @@ func (s *testStatisticsSuite) TestCMSketchTopN(c *C) { d, w := int32(5), int32(2048) total, imax := uint64(1000000), uint64(1000000) for _, t := range tests { - lSketch, lMap, err := buildCMSketchTopNAndMap(d, w, 20, 1000, 0, total, imax, t.zipfFactor) + lSketch, topN, lMap, err := buildCMSketchTopNAndMap(d, w, 20, 1000, 0, total, imax, t.zipfFactor) c.Check(err, IsNil) - c.Assert(len(lSketch.TopN()), LessEqual, 40) - avg, err := averageAbsoluteError(lSketch, lMap) + c.Assert(len(topN.TopN()), LessEqual, 40) + avg, err := averageAbsoluteError(lSketch, topN, lMap) c.Assert(err, IsNil) c.Check(avg, LessEqual, t.avgError) } @@ -230,13 +230,13 @@ func (s *testStatisticsSuite) TestMergeCMSketch4IncrementalAnalyze(c *C) { for _, t := range tests { lSketch, lMap, err := buildCMSketchAndMap(d, w, 0, total, imax, t.zipfFactor) c.Check(err, IsNil) - avg, err := averageAbsoluteError(lSketch, lMap) + avg, err := averageAbsoluteError(lSketch, nil, lMap) c.Assert(err, IsNil) c.Check(avg, LessEqual, t.avgError) rSketch, rMap, err := buildCMSketchAndMapWithOffset(d, w, 1, total, imax, t.zipfFactor, int64(imax)) c.Check(err, IsNil) - avg, err = averageAbsoluteError(rSketch, rMap) + avg, err = averageAbsoluteError(rSketch, nil, rMap) c.Assert(err, IsNil) c.Check(avg, LessEqual, t.avgError) @@ -244,7 +244,7 @@ func (s *testStatisticsSuite) TestMergeCMSketch4IncrementalAnalyze(c *C) { lMap[key] += val } c.Assert(lSketch.MergeCMSketch4IncrementalAnalyze(rSketch, 0), IsNil) - avg, err = averageAbsoluteError(lSketch, lMap) + avg, err = averageAbsoluteError(lSketch, nil, lMap) c.Assert(err, IsNil) c.Check(avg, LessEqual, t.avgError) width, depth := lSketch.GetWidthAndDepth() @@ -265,13 +265,13 @@ func (s *testStatisticsSuite) TestCMSketchTopNUniqueData(c *C) { vals = append(vals, &val) } } - cms, err := prepareCMSWithTopN(d, w, vals, uint32(20), total) + cms, topN, err := prepareCMSAndTopN(d, w, vals, uint32(20), total) c.Assert(err, IsNil) - avg, err := averageAbsoluteError(cms, mp) + avg, err := averageAbsoluteError(cms, topN, mp) c.Assert(err, IsNil) c.Check(cms.defaultValue, Equals, uint64(1)) c.Check(avg, Equals, uint64(0)) - c.Check(len(cms.topN), Equals, 0) + c.Check(len(topN.TopN()), Equals, 0) } func (s *testStatisticsSuite) TestCMSketchCodingTopN(c *C) { @@ -282,7 +282,7 @@ func (s *testStatisticsSuite) TestCMSketchCodingTopN(c *C) { lSketch.table[i][j] = math.MaxUint32 } } - lSketch.topN = make(map[uint64][]*TopNMeta) + topN := make(map[uint64][]*TopNMeta) unsignedLong := types.NewFieldType(mysql.TypeLonglong) unsignedLong.Flag |= mysql.UnsignedFlag chk := chunk.New([]*types.FieldType{types.NewFieldType(mysql.TypeBlob), unsignedLong}, 20, 20) @@ -290,7 +290,7 @@ func (s *testStatisticsSuite) TestCMSketchCodingTopN(c *C) { for i := 0; i < 20; i++ { tString := []byte(fmt.Sprintf("%20000d", i)) h1, h2 := murmur3.Sum128(tString) - lSketch.topN[h1] = []*TopNMeta{{h2, tString, math.MaxUint64}} + topN[h1] = []*TopNMeta{{h2, tString, math.MaxUint64}} chk.AppendBytes(0, tString) chk.AppendUint64(1, math.MaxUint64) rows = append(rows, chk.GetRow(i)) @@ -299,9 +299,9 @@ func (s *testStatisticsSuite) TestCMSketchCodingTopN(c *C) { bytes, err := EncodeCMSketchWithoutTopN(lSketch) c.Assert(err, IsNil) c.Assert(len(bytes), Equals, 61457) - rSketch, err := DecodeCMSketch(bytes, rows) + rSketch, _, err := DecodeCMSketchAndTopN(bytes, rows) c.Assert(err, IsNil) c.Assert(lSketch.Equal(rSketch), IsTrue) // do not panic - DecodeCMSketch([]byte{}, rows) + DecodeCMSketchAndTopN([]byte{}, rows) } diff --git a/statistics/feedback.go b/statistics/feedback.go index fb709eaaf3893..55b7044d6027b 100644 --- a/statistics/feedback.go +++ b/statistics/feedback.go @@ -741,15 +741,16 @@ func UpdateHistogram(h *Histogram, feedback *QueryFeedback) *Histogram { } // UpdateCMSketch updates the CMSketch by feedback. -func UpdateCMSketch(c *CMSketch, eqFeedbacks []Feedback) *CMSketch { +func UpdateCMSketch(c *CMSketch, t *TopN, eqFeedbacks []Feedback) (*CMSketch, *TopN) { if c == nil || len(eqFeedbacks) == 0 { - return c + return c, t } newCMSketch := c.Copy() + newTopN := t.Copy() for _, fb := range eqFeedbacks { - newCMSketch.updateValueBytes(fb.Lower.GetBytes(), uint64(fb.Count)) + updateValueBytes(newCMSketch, newTopN, fb.Lower.GetBytes(), uint64(fb.Count)) } - return newCMSketch + return newCMSketch, newTopN } func buildNewHistogram(h *Histogram, buckets []bucket) *Histogram { @@ -853,7 +854,7 @@ func EncodeFeedback(q *QueryFeedback) ([]byte, error) { return buf.Bytes(), errors.Trace(err) } -func decodeFeedbackForIndex(q *QueryFeedback, pb *queryFeedback, c *CMSketch) { +func decodeFeedbackForIndex(q *QueryFeedback, pb *queryFeedback, c *CMSketch, t *TopN) { q.Tp = IndexType // decode the index range feedback for i := 0; i < len(pb.IndexRanges); i += 2 { @@ -864,17 +865,13 @@ func decodeFeedbackForIndex(q *QueryFeedback, pb *queryFeedback, c *CMSketch) { // decode the index point feedback, just set value count in CM Sketch start := len(pb.IndexRanges) / 2 if len(pb.HashValues) > 0 { - // It needs raw values to update the top n, so just skip it here. - if len(c.topN) > 0 { - return - } for i := 0; i < len(pb.HashValues); i += 2 { c.setValue(pb.HashValues[i], pb.HashValues[i+1], uint64(pb.Counts[start+i/2])) } return } for i := 0; i < len(pb.IndexPoints); i++ { - c.updateValueBytes(pb.IndexPoints[i], uint64(pb.Counts[start+i])) + updateValueBytes(c, t, pb.IndexPoints[i], uint64(pb.Counts[start+i])) } } } @@ -936,7 +933,7 @@ func decodeFeedbackForColumn(q *QueryFeedback, pb *queryFeedback, ft *types.Fiel } // DecodeFeedback decodes a byte slice to feedback. -func DecodeFeedback(val []byte, q *QueryFeedback, c *CMSketch, ft *types.FieldType) error { +func DecodeFeedback(val []byte, q *QueryFeedback, c *CMSketch, t *TopN, ft *types.FieldType) error { buf := bytes.NewBuffer(val) dec := gob.NewDecoder(buf) pb := &queryFeedback{} @@ -945,7 +942,7 @@ func DecodeFeedback(val []byte, q *QueryFeedback, c *CMSketch, ft *types.FieldTy return errors.Trace(err) } if len(pb.IndexRanges) > 0 || len(pb.HashValues) > 0 || len(pb.IndexPoints) > 0 { - decodeFeedbackForIndex(q, pb, c) + decodeFeedbackForIndex(q, pb, c, t) } else if len(pb.IntRanges) > 0 { decodeFeedbackForPK(q, pb, mysql.HasUnsignedFlag(ft.Flag)) } else { diff --git a/statistics/feedback_test.go b/statistics/feedback_test.go index 1d778660171ba..37cd53c9746d2 100644 --- a/statistics/feedback_test.go +++ b/statistics/feedback_test.go @@ -237,7 +237,7 @@ func (s *testFeedbackSuite) TestFeedbackEncoding(c *C) { val, err := EncodeFeedback(q) c.Assert(err, IsNil) rq := &QueryFeedback{} - c.Assert(DecodeFeedback(val, rq, nil, hist.Tp), IsNil) + c.Assert(DecodeFeedback(val, rq, nil, nil, hist.Tp), IsNil) for _, fb := range rq.Feedback { fb.Lower.SetBytes(codec.EncodeInt(nil, fb.Lower.GetInt64())) fb.Upper.SetBytes(codec.EncodeInt(nil, fb.Upper.GetInt64())) @@ -252,7 +252,7 @@ func (s *testFeedbackSuite) TestFeedbackEncoding(c *C) { c.Assert(err, IsNil) rq = &QueryFeedback{} cms := NewCMSketch(4, 4) - c.Assert(DecodeFeedback(val, rq, cms, hist.Tp), IsNil) + c.Assert(DecodeFeedback(val, rq, cms, nil, hist.Tp), IsNil) c.Assert(cms.QueryBytes(codec.EncodeInt(nil, 0)), Equals, uint64(1)) q.Feedback = q.Feedback[:1] c.Assert(q.Equal(rq), IsTrue) diff --git a/statistics/handle/bootstrap.go b/statistics/handle/bootstrap.go index a896c3e9e18d9..ab8635289b641 100644 --- a/statistics/handle/bootstrap.go +++ b/statistics/handle/bootstrap.go @@ -198,12 +198,13 @@ func (h *Handle) initCMSketch4Indices4Chunk(is infoschema.InfoSchema, tables map if idx == nil { continue } - cms, err := statistics.DecodeCMSketch(row.GetBytes(3), nil) + cms, topN, err := statistics.DecodeCMSketchAndTopN(row.GetBytes(3), nil) if err != nil { cms = nil terror.Log(errors.Trace(err)) } idx.CMSketch = cms + idx.TopN = topN } } } @@ -247,9 +248,12 @@ func (h *Handle) initStatsTopN4Chunk(tables map[int64]*statistics.Table, iter *c if !ok || idx.CMSketch == nil { continue } + if idx.TopN == nil { + idx.TopN = statistics.NewTopN(32) + } data := make([]byte, len(row.GetBytes(2))) copy(data, row.GetBytes(2)) - idx.CMSketch.AppendTopN(data, row.GetUint64(3)) + idx.TopN.AppendTopN(data, row.GetUint64(3)) } } diff --git a/statistics/handle/dump.go b/statistics/handle/dump.go index 1ef91f1f4698e..7576e5d78599a 100644 --- a/statistics/handle/dump.go +++ b/statistics/handle/dump.go @@ -205,13 +205,13 @@ func (h *Handle) loadStatsFromJSON(tableInfo *model.TableInfo, physicalID int64, } for _, col := range tbl.Columns { - err = h.SaveStatsToStorage(tbl.PhysicalID, tbl.Count, 0, &col.Histogram, col.CMSketch, 1) + err = h.SaveStatsToStorage(tbl.PhysicalID, tbl.Count, 0, &col.Histogram, col.CMSketch, col.TopN, 1) if err != nil { return errors.Trace(err) } } for _, idx := range tbl.Indices { - err = h.SaveStatsToStorage(tbl.PhysicalID, tbl.Count, 1, &idx.Histogram, idx.CMSketch, 1) + err = h.SaveStatsToStorage(tbl.PhysicalID, tbl.Count, 1, &idx.Histogram, idx.CMSketch, idx.TopN, 1) if err != nil { return errors.Trace(err) } @@ -243,9 +243,11 @@ func TableStatsFromJSON(tableInfo *model.TableInfo, physicalID int64, jsonTbl *J } hist := statistics.HistogramFromProto(jsonIdx.Histogram) hist.ID, hist.NullCount, hist.LastUpdateVersion, hist.Correlation = idxInfo.ID, jsonIdx.NullCount, jsonIdx.LastUpdateVersion, jsonIdx.Correlation + cm, topN := statistics.CMSketchAndTopNFromProto(jsonIdx.CMSketch) idx := &statistics.Index{ Histogram: *hist, - CMSketch: statistics.CMSketchFromProto(jsonIdx.CMSketch), + CMSketch: cm, + TopN: topN, Info: idxInfo, } tbl.Indices[idx.ID] = idx @@ -264,11 +266,13 @@ func TableStatsFromJSON(tableInfo *model.TableInfo, physicalID int64, jsonTbl *J if err != nil { return nil, errors.Trace(err) } + cm, topN := statistics.CMSketchAndTopNFromProto(jsonCol.CMSketch) hist.ID, hist.NullCount, hist.LastUpdateVersion, hist.TotColSize, hist.Correlation = colInfo.ID, jsonCol.NullCount, jsonCol.LastUpdateVersion, jsonCol.TotColSize, jsonCol.Correlation col := &statistics.Column{ PhysicalID: physicalID, Histogram: *hist, - CMSketch: statistics.CMSketchFromProto(jsonCol.CMSketch), + CMSketch: cm, + TopN: topN, Info: colInfo, Count: count, IsHandle: tableInfo.PKIsHandle && mysql.HasPriKeyFlag(colInfo.Flag), diff --git a/statistics/handle/dump_test.go b/statistics/handle/dump_test.go index 9f4cde719a3ec..a301611e47617 100644 --- a/statistics/handle/dump_test.go +++ b/statistics/handle/dump_test.go @@ -147,10 +147,10 @@ func (s *testStatsSuite) TestDumpCMSketchWithTopN(c *C) { for i := 0; i < 30; i++ { fakeData = append(fakeData, []byte(fmt.Sprintf("%01024d", i))) } - cms, _, _ := statistics.NewCMSketchWithTopN(5, 2048, fakeData, 20, 100) + cms, _, _, _ := statistics.NewCMSketchAndTopN(5, 2048, fakeData, 20, 100) stat := h.GetTableStats(tableInfo) - err = h.SaveStatsToStorage(tableInfo.ID, 1, 0, &stat.Columns[tableInfo.Columns[0].ID].Histogram, cms, 1) + err = h.SaveStatsToStorage(tableInfo.ID, 1, 0, &stat.Columns[tableInfo.Columns[0].ID].Histogram, cms, nil, 1) c.Assert(err, IsNil) c.Assert(h.Update(is), IsNil) diff --git a/statistics/handle/handle.go b/statistics/handle/handle.go index d02cf98e2bc7b..84969b3cc0238 100644 --- a/statistics/handle/handle.go +++ b/statistics/handle/handle.go @@ -333,7 +333,7 @@ func (h *Handle) LoadNeededHistograms() (err error) { if err != nil { return errors.Trace(err) } - cms, err := h.cmSketchFromStorage(reader, col.TableID, 0, col.ColumnID) + cms, topN, err := h.cmSketchAndTopNFromStorage(reader, col.TableID, 0, col.ColumnID) if err != nil { return errors.Trace(err) } @@ -342,6 +342,7 @@ func (h *Handle) LoadNeededHistograms() (err error) { Histogram: *hg, Info: c.Info, CMSketch: cms, + TopN: topN, Count: int64(hg.TotalRowCount()), IsHandle: c.IsHandle, } @@ -364,13 +365,14 @@ func (h *Handle) LoadNeededHistograms() (err error) { if err != nil { return errors.Trace(err) } - cms, err := h.cmSketchFromStorage(reader, pidx.TableID, 1, pidx.IndexID) + cms, topN, err := h.cmSketchAndTopNFromStorage(reader, pidx.TableID, 1, pidx.IndexID) if err != nil { return errors.Trace(err) } tbl.Indices[idx.ID] = &statistics.Index{ Histogram: *hg, CMSketch: cms, + TopN: topN, PhysicalID: pidx.TableID, Info: idx.Info, StatsVer: idx.StatsVer, @@ -408,18 +410,18 @@ func (h *Handle) FlushStats() { } } -func (h *Handle) cmSketchFromStorage(reader *statsReader, tblID int64, isIndex, histID int64) (_ *statistics.CMSketch, err error) { +func (h *Handle) cmSketchAndTopNFromStorage(reader *statsReader, tblID int64, isIndex, histID int64) (_ *statistics.CMSketch, _ *statistics.TopN, err error) { selSQL := fmt.Sprintf("select cm_sketch from mysql.stats_histograms where table_id = %d and is_index = %d and hist_id = %d", tblID, isIndex, histID) rows, _, err := reader.read(selSQL) if err != nil || len(rows) == 0 { - return nil, err + return nil, nil, err } selSQL = fmt.Sprintf("select HIGH_PRIORITY value, count from mysql.stats_top_n where table_id = %d and is_index = %d and hist_id = %d", tblID, isIndex, histID) topNRows, _, err := reader.read(selSQL) if err != nil { - return nil, err + return nil, nil, err } - return statistics.DecodeCMSketch(rows[0].GetBytes(0), topNRows) + return statistics.DecodeCMSketchAndTopN(rows[0].GetBytes(0), topNRows) } func (h *Handle) indexStatsFromStorage(reader *statsReader, row chunk.Row, table *statistics.Table, tableInfo *model.TableInfo) error { @@ -445,11 +447,11 @@ func (h *Handle) indexStatsFromStorage(reader *statsReader, row chunk.Row, table if err != nil { return errors.Trace(err) } - cms, err := h.cmSketchFromStorage(reader, table.PhysicalID, 1, idxInfo.ID) + cms, topN, err := h.cmSketchAndTopNFromStorage(reader, table.PhysicalID, 1, idxInfo.ID) if err != nil { return errors.Trace(err) } - idx = &statistics.Index{Histogram: *hg, CMSketch: cms, Info: idxInfo, ErrorRate: errorRate, StatsVer: row.GetInt64(7), Flag: flag, PhysicalID: table.PhysicalID} + idx = &statistics.Index{Histogram: *hg, CMSketch: cms, TopN: topN, Info: idxInfo, ErrorRate: errorRate, StatsVer: row.GetInt64(7), Flag: flag, PhysicalID: table.PhysicalID} lastAnalyzePos.Copy(&idx.LastAnalyzePos) } break @@ -515,7 +517,7 @@ func (h *Handle) columnStatsFromStorage(reader *statsReader, row chunk.Row, tabl if err != nil { return errors.Trace(err) } - cms, err := h.cmSketchFromStorage(reader, table.PhysicalID, 0, colInfo.ID) + cms, topN, err := h.cmSketchAndTopNFromStorage(reader, table.PhysicalID, 0, colInfo.ID) if err != nil { return errors.Trace(err) } @@ -524,6 +526,7 @@ func (h *Handle) columnStatsFromStorage(reader *statsReader, row chunk.Row, tabl Histogram: *hg, Info: colInfo, CMSketch: cms, + TopN: topN, Count: int64(hg.TotalRowCount()), ErrorRate: errorRate, IsHandle: tableInfo.PKIsHandle && mysql.HasPriKeyFlag(colInfo.Flag), @@ -641,7 +644,7 @@ func (h *Handle) extendedStatsFromStorage(reader *statsReader, table *statistics } // SaveStatsToStorage saves the stats to storage. -func (h *Handle) SaveStatsToStorage(tableID int64, count int64, isIndex int, hg *statistics.Histogram, cms *statistics.CMSketch, isAnalyzed int64) (err error) { +func (h *Handle) SaveStatsToStorage(tableID int64, count int64, isIndex int, hg *statistics.Histogram, cms *statistics.CMSketch, topN *statistics.TopN, isAnalyzed int64) (err error) { h.mu.Lock() defer h.mu.Unlock() ctx := context.TODO() @@ -672,7 +675,7 @@ func (h *Handle) SaveStatsToStorage(tableID int64, count int64, isIndex int, hg } // Delete outdated data sqls = append(sqls, fmt.Sprintf("delete from mysql.stats_top_n where table_id = %d and is_index = %d and hist_id = %d", tableID, isIndex, hg.ID)) - for _, meta := range cms.TopN() { + for _, meta := range topN.TopN() { sqls = append(sqls, fmt.Sprintf("insert into mysql.stats_top_n (table_id, is_index, hist_id, value, count) values (%d, %d, %d, X'%X', %d)", tableID, isIndex, hg.ID, meta.Data, meta.Count)) } flag := 0 diff --git a/statistics/handle/handle_test.go b/statistics/handle/handle_test.go index 7a2355158815c..88f090d99dc01 100644 --- a/statistics/handle/handle_test.go +++ b/statistics/handle/handle_test.go @@ -537,7 +537,8 @@ func (s *testStatsSuite) TestLoadStats(c *C) { hg = stat.Indices[tableInfo.Indices[0].ID].Histogram c.Assert(hg.Len(), Greater, 0) cms = stat.Indices[tableInfo.Indices[0].ID].CMSketch - c.Assert(cms.TotalCount(), Greater, uint64(0)) + topN := stat.Indices[tableInfo.Indices[0].ID].TopN + c.Assert(cms.TotalCount()+topN.TotalCount(), Greater, uint64(0)) hg = stat.Columns[tableInfo.Columns[2].ID].Histogram c.Assert(hg.Len(), Equals, 0) cms = stat.Columns[tableInfo.Columns[2].ID].CMSketch diff --git a/statistics/handle/update.go b/statistics/handle/update.go index 1e4065091b638..8ee529dd12050 100644 --- a/statistics/handle/update.go +++ b/statistics/handle/update.go @@ -557,7 +557,7 @@ func (h *Handle) UpdateStatsByLocalFeedback(is infoschema.InfoSchema) { } newIdx := *idx eqFB, ranFB := statistics.SplitFeedbackByQueryType(fb.Feedback) - newIdx.CMSketch = statistics.UpdateCMSketch(idx.CMSketch, eqFB) + newIdx.CMSketch, newIdx.TopN = statistics.UpdateCMSketch(idx.CMSketch, idx.TopN, eqFB) newIdx.Histogram = *statistics.UpdateHistogram(&idx.Histogram, &statistics.QueryFeedback{Feedback: ranFB}) newIdx.Histogram.PreCalculateScalar() newIdx.Flag = statistics.ResetAnalyzeFlag(newIdx.Flag) @@ -698,12 +698,14 @@ func (h *Handle) handleSingleHistogramUpdate(is infoschema.InfoSchema, rows []ch } var cms *statistics.CMSketch var hist *statistics.Histogram + var topN *statistics.TopN if isIndex == 1 { idx, ok := tbl.Indices[histID] if ok && idx.Histogram.Len() > 0 { idxHist := idx.Histogram hist = &idxHist cms = idx.CMSketch.Copy() + topN = idx.TopN.Copy() } } else { col, ok := tbl.Columns[histID] @@ -718,12 +720,12 @@ func (h *Handle) handleSingleHistogramUpdate(is infoschema.InfoSchema, rows []ch } q := &statistics.QueryFeedback{} for _, row := range rows { - err1 := statistics.DecodeFeedback(row.GetBytes(3), q, cms, hist.Tp) + err1 := statistics.DecodeFeedback(row.GetBytes(3), q, cms, topN, hist.Tp) if err1 != nil { logutil.BgLogger().Debug("decode feedback failed", zap.Error(err)) } } - err = h.dumpStatsUpdateToKV(physicalTableID, isIndex, q, hist, cms) + err = h.dumpStatsUpdateToKV(physicalTableID, isIndex, q, hist, cms, topN) return errors.Trace(err) } @@ -742,9 +744,9 @@ func (h *Handle) deleteOutdatedFeedback(tableID, histID, isIndex int64) error { return nil } -func (h *Handle) dumpStatsUpdateToKV(tableID, isIndex int64, q *statistics.QueryFeedback, hist *statistics.Histogram, cms *statistics.CMSketch) error { +func (h *Handle) dumpStatsUpdateToKV(tableID, isIndex int64, q *statistics.QueryFeedback, hist *statistics.Histogram, cms *statistics.CMSketch, topN *statistics.TopN) error { hist = statistics.UpdateHistogram(hist, q) - err := h.SaveStatsToStorage(tableID, -1, int(isIndex), hist, cms, 0) + err := h.SaveStatsToStorage(tableID, -1, int(isIndex), hist, cms, topN, 0) metrics.UpdateStatsCounter.WithLabelValues(metrics.RetLabel(err)).Inc() return errors.Trace(err) } @@ -977,7 +979,7 @@ func logForIndex(prefix string, t *statistics.Table, idx *statistics.Index, rang if err != nil { continue } - equalityCount := idx.CMSketch.QueryBytes(bytes) + equalityCount := idx.QueryBytes(bytes) rang := ranger.Range{ LowVal: []types.Datum{ran.LowVal[rangePosition]}, HighVal: []types.Datum{ran.HighVal[rangePosition]}, @@ -1178,7 +1180,7 @@ func (h *Handle) DumpFeedbackForIndex(q *statistics.QueryFeedback, t *statistics logutil.BgLogger().Debug("encode keys fail", zap.Error(err)) continue } - equalityCount := float64(idx.CMSketch.QueryBytes(bytes)) * idx.GetIncreaseFactor(t.Count) + equalityCount := float64(idx.QueryBytes(bytes)) * idx.GetIncreaseFactor(t.Count) rang := &ranger.Range{ LowVal: []types.Datum{ran.LowVal[rangePosition]}, HighVal: []types.Datum{ran.HighVal[rangePosition]}, diff --git a/statistics/histogram.go b/statistics/histogram.go index 851f5a62eac1d..4da11c246824c 100644 --- a/statistics/histogram.go +++ b/statistics/histogram.go @@ -746,6 +746,7 @@ func (e *ErrorRate) Merge(rate *ErrorRate) { type Column struct { Histogram *CMSketch + *TopN PhysicalID int64 Count int64 Info *model.ColumnInfo @@ -798,7 +799,7 @@ func (c *Column) equalRowCount(sc *stmtctx.StatementContext, val types.Datum, mo return outOfRangeEQSelectivity(c.NDV, modifyCount, int64(c.TotalRowCount())) * c.TotalRowCount(), nil } if c.CMSketch != nil { - count, err := c.CMSketch.queryValue(sc, val) + count, err := queryValue(sc, c.CMSketch, c.TopN, val) return float64(count), errors.Trace(err) } return c.Histogram.equalRowCount(val), nil @@ -896,6 +897,7 @@ func (c *Column) GetColumnRowCount(sc *stmtctx.StatementContext, ranges []*range type Index struct { Histogram *CMSketch + *TopN ErrorRate StatsVer int64 // StatsVer is the version of the current stats, used to maintain compatibility Info *model.IndexInfo @@ -949,11 +951,20 @@ func (idx *Index) equalRowCount(sc *stmtctx.StatementContext, b []byte, modifyCo return outOfRangeEQSelectivity(idx.NDV, modifyCount, int64(idx.TotalRowCount())) * idx.TotalRowCount(), nil } if idx.CMSketch != nil { - return float64(idx.CMSketch.QueryBytes(b)), nil + return float64(idx.QueryBytes(b)), nil } return idx.Histogram.equalRowCount(val), nil } +// QueryBytes is used to query the count of specified bytes. +func (idx *Index) QueryBytes(d []byte) uint64 { + h1, h2 := murmur3.Sum128(d) + if count, ok := idx.TopN.QueryTopN(h1, h2, d); ok { + return count + } + return idx.queryHashValue(h1, h2) +} + // GetRowCount returns the row count of the given ranges. // It uses the modifyCount to adjust the influence of modifications on the table. func (idx *Index) GetRowCount(sc *stmtctx.StatementContext, indexRanges []*ranger.Range, modifyCount int64) (float64, error) { @@ -1224,7 +1235,7 @@ func getIndexPrefixLens(data []byte, numCols int) (prefixLens []int, err error) } // ExtractTopN extracts topn from histogram. -func (hg *Histogram) ExtractTopN(cms *CMSketch, numCols int, numTopN uint32) error { +func (hg *Histogram) ExtractTopN(cms *CMSketch, topN *TopN, numCols int, numTopN uint32) error { if hg.Len() == 0 || cms == nil || numTopN == 0 { return nil } @@ -1257,12 +1268,12 @@ func (hg *Histogram) ExtractTopN(cms *CMSketch, numCols int, numTopN uint32) err if len(dataCnts) > int(numTopN) { dataCnts = dataCnts[:numTopN] } - cms.topN = make(map[uint64][]*TopNMeta, len(dataCnts)) + topN.topN = make(map[uint64][]*TopNMeta, len(dataCnts)) for _, dataCnt := range dataCnts { h1, h2 := murmur3.Sum128(dataCnt.data) realCnt := cms.queryHashValue(h1, h2) cms.subValue(h1, h2, realCnt) - cms.topN[h1] = append(cms.topN[h1], &TopNMeta{h2, dataCnt.data, realCnt}) + topN.topN[h1] = append(topN.topN[h1], &TopNMeta{h2, dataCnt.data, realCnt}) } return nil } diff --git a/statistics/sample.go b/statistics/sample.go index aec37794c6ce8..add571e4bbead 100644 --- a/statistics/sample.go +++ b/statistics/sample.go @@ -98,6 +98,7 @@ type SampleCollector struct { MaxSampleSize int64 FMSketch *FMSketch CMSketch *CMSketch + TopN *TopN TotalSize int64 // TotalSize is the total size of column. } @@ -108,7 +109,7 @@ func (c *SampleCollector) MergeSampleCollector(sc *stmtctx.StatementContext, rc c.TotalSize += rc.TotalSize c.FMSketch.mergeFMSketch(rc.FMSketch) if rc.CMSketch != nil { - err := c.CMSketch.MergeCMSketch(rc.CMSketch, 0) + err := c.CMSketch.MergeCMSketch(rc.CMSketch) terror.Log(errors.Trace(err)) } for _, item := range rc.Samples { @@ -146,7 +147,7 @@ func SampleCollectorFromProto(collector *tipb.SampleCollector) *SampleCollector if collector.TotalSize != nil { s.TotalSize = *collector.TotalSize } - s.CMSketch = CMSketchFromProto(collector.CmSketch) + s.CMSketch, s.TopN = CMSketchAndTopNFromProto(collector.CmSketch) for _, val := range collector.Samples { // When store the histogram bucket boundaries to kv, we need to limit the length of the value. if len(val) <= maxSampleValueLength { @@ -302,7 +303,7 @@ func (c *SampleCollector) ExtractTopN(numTop uint32, sc *stmtctx.StatementContex } helper := newTopNHelper(values, numTop) cms := c.CMSketch - cms.topN = make(map[uint64][]*TopNMeta, helper.actualNumTop) + c.TopN = NewTopN(int(helper.actualNumTop)) // Process them decreasingly so we can handle most frequent values first and reduce the probability of hash collision // by small values. for i := uint32(0); i < helper.actualNumTop; i++ { @@ -319,7 +320,7 @@ func (c *SampleCollector) ExtractTopN(numTop uint32, sc *stmtctx.StatementContex return err } cms.subValue(h1, h2, realCnt) - cms.topN[h1] = append(cms.topN[h1], &TopNMeta{h2, data, realCnt}) + c.TopN.topN[h1] = append(c.TopN.topN[h1], &TopNMeta{h2, data, realCnt}) } return nil } diff --git a/statistics/table.go b/statistics/table.go index b4ee01456d9b5..5847be1f129a5 100644 --- a/statistics/table.go +++ b/statistics/table.go @@ -568,7 +568,7 @@ func (coll *HistColl) crossValidationSelectivity(sc *stmtctx.StatementContext, i minRowCount := math.MaxFloat64 cols := coll.Idx2ColumnIDs[idx.ID] crossValidationSelectivity := 1.0 - totalRowCount := float64(idx.TotalRowCount()) + totalRowCount := idx.TotalRowCount() for i, colID := range cols { if i >= usedColsLen { break @@ -638,11 +638,11 @@ func (coll *HistColl) getEqualCondSelectivity(sc *stmtctx.StatementContext, idx return 0, nil } - idxCount := float64(idx.CMSketch.QueryBytes(bytes)) + idxCount := float64(idx.QueryBytes(bytes)) if minRowCount < idxCount { return crossValidationSelectivity, nil } - return idxCount / float64(idx.TotalRowCount()), nil + return idxCount / idx.TotalRowCount(), nil } func (coll *HistColl) getIndexRowCount(sc *stmtctx.StatementContext, idxID int64, indexRanges []*ranger.Range) (float64, error) { From 9cb558d03c427119806f5beefc3aed50d006ee19 Mon Sep 17 00:00:00 2001 From: xhe Date: Wed, 28 Oct 2020 15:26:15 +0800 Subject: [PATCH 0106/1021] ddl: remove useless placement methods (#20636) Signed-off-by: xhe --- domain/infosync/info.go | 55 ----------------------------------------- 1 file changed, 55 deletions(-) diff --git a/domain/infosync/info.go b/domain/infosync/info.go index 05d62e89d4b00..0d72abc5817f1 100644 --- a/domain/infosync/info.go +++ b/domain/infosync/info.go @@ -350,61 +350,6 @@ func doRequest(ctx context.Context, addrs []string, route, method string, body i return nil, err } -// GetPlacementRules is used to retrieve placement rules from PD. -func GetPlacementRules(ctx context.Context) ([]*placement.RuleOp, error) { - is, err := getGlobalInfoSyncer() - if err != nil { - return nil, err - } - - if is.etcdCli == nil { - return nil, nil - } - - addrs := is.etcdCli.Endpoints() - - if len(addrs) == 0 { - return nil, errors.Errorf("pd unavailable") - } - - rules := []*placement.RuleOp{} - res, err := doRequest(ctx, addrs, path.Join(pdapi.Config, "rules"), http.MethodGet, nil) - if err == nil && res != nil { - err = json.Unmarshal(res, &rules) - } - return rules, err -} - -// UpdatePlacementRules is used to notify PD changes of placement rules. -func UpdatePlacementRules(ctx context.Context, rules []*placement.RuleOp) error { - if len(rules) == 0 { - return nil - } - - is, err := getGlobalInfoSyncer() - if err != nil { - return err - } - - if is.etcdCli == nil { - return nil - } - - addrs := is.etcdCli.Endpoints() - - if len(addrs) == 0 { - return errors.Errorf("pd unavailable") - } - - b, err := json.Marshal(rules) - if err != nil { - return err - } - - _, err = doRequest(ctx, addrs, path.Join(pdapi.Config, "rules/batch"), http.MethodPost, bytes.NewReader(b)) - return err -} - // GetAllRuleBundles is used to get all rule bundles from PD. It is used to load full rules from PD while fullload infoschema. func GetAllRuleBundles(ctx context.Context) ([]*placement.Bundle, error) { is, err := getGlobalInfoSyncer() From b468a8a4fbb752df6599bb42268e0ed908bbbc07 Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Wed, 28 Oct 2020 15:56:24 +0800 Subject: [PATCH 0107/1021] distsql, util: adapt scandetailv2 in coprocessor response (#20492) --- distsql/select_result.go | 4 ++++ util/execdetails/execdetails.go | 33 ++++++++++++++++++++++------ util/execdetails/execdetails_test.go | 26 ++++++++++++++++++++-- 3 files changed, 54 insertions(+), 9 deletions(-) diff --git a/distsql/select_result.go b/distsql/select_result.go index bce977cf2fedb..3247d65c76304 100644 --- a/distsql/select_result.go +++ b/distsql/select_result.go @@ -281,6 +281,10 @@ func (r *selectResult) updateCopRuntimeStats(ctx context.Context, copStats *tikv } r.stats.mergeCopRuntimeStats(copStats, respTime) + if copStats.CopDetail != nil && len(r.copPlanIDs) > 0 { + r.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.RecordCopDetail(r.copPlanIDs[len(r.copPlanIDs)-1], copStats.CopDetail) + } + for i, detail := range r.selectResp.GetExecutionSummaries() { if detail != nil && detail.TimeProcessedNs != nil && detail.NumProducedRows != nil && detail.NumIterations != nil { diff --git a/util/execdetails/execdetails.go b/util/execdetails/execdetails.go index da4c3eb568c21..7cb1b567ec89e 100644 --- a/util/execdetails/execdetails.go +++ b/util/execdetails/execdetails.go @@ -411,7 +411,8 @@ type CopRuntimeStats struct { // have many region leaders, several coprocessor tasks can be sent to the // same tikv-server instance. We have to use a list to maintain all tasks // executed on each instance. - stats map[string][]*BasicRuntimeStats + stats map[string][]*BasicRuntimeStats + copDetails *CopDetails } // RecordOneCopTask records a specific cop tasks's execution detail. @@ -450,14 +451,23 @@ func (crs *CopRuntimeStats) String() string { } } + var result string if totalTasks == 1 { - return fmt.Sprintf("tikv_task:{time:%v, loops:%d}", procTimes[0], totalIters) + result += fmt.Sprintf("tikv_task:{time:%v, loops:%d}", procTimes[0], totalIters) + } else { + n := len(procTimes) + sort.Slice(procTimes, func(i, j int) bool { return procTimes[i] < procTimes[j] }) + result += fmt.Sprintf("tikv_task:{proc max:%v, min:%v, p80:%v, p95:%v, iters:%v, tasks:%v}", + procTimes[n-1], procTimes[0], procTimes[n*4/5], procTimes[n*19/20], totalIters, totalTasks) + } + if crs.copDetails != nil { + result += fmt.Sprintf(", total_keys:%v, processed_keys:%v, rocksdb:{delete_skipped_count:%v, "+ + "key_skipped_count:%v, block_cache_hit_count:%v, block_read_count:%v, block_read_byte:%v}", + crs.copDetails.TotalKeys, crs.copDetails.ProcessedKeys, + crs.copDetails.RocksdbDeleteSkippedCount, crs.copDetails.RocksdbKeySkippedCount, crs.copDetails.RocksdbBlockCacheHitCount, + crs.copDetails.RocksdbBlockReadCount, crs.copDetails.RocksdbBlockReadByte) } - - n := len(procTimes) - sort.Slice(procTimes, func(i, j int) bool { return procTimes[i] < procTimes[j] }) - return fmt.Sprintf("tikv_task:{proc max:%v, min:%v, p80:%v, p95:%v, iters:%v, tasks:%v}", - procTimes[n-1], procTimes[0], procTimes[n*4/5], procTimes[n*19/20], totalIters, totalTasks) + return result } const ( @@ -696,6 +706,15 @@ func (e *RuntimeStatsColl) RecordOneCopTask(planID int, address string, summary copStats.RecordOneCopTask(address, summary) } +// RecordCopDetail records a specific cop tasks's cop detail. +func (e *RuntimeStatsColl) RecordCopDetail(planID int, detail *CopDetails) { + copStats := e.GetCopStats(planID) + if copStats.copDetails == nil { + copStats.copDetails = &CopDetails{} + } + copStats.copDetails.Merge(detail) +} + // ExistsRootStats checks if the planID exists in the rootStats collection. func (e *RuntimeStatsColl) ExistsRootStats(planID int) bool { e.mu.Lock() diff --git a/util/execdetails/execdetails_test.go b/util/execdetails/execdetails_test.go index 5810faef2704c..3a6dfe1272462 100644 --- a/util/execdetails/execdetails_test.go +++ b/util/execdetails/execdetails_test.go @@ -100,11 +100,22 @@ func TestCopRuntimeStats(t *testing.T) { stats.RecordOneCopTask(tableScanID, "8.8.8.9", mockExecutorExecutionSummary(2, 2, 2)) stats.RecordOneCopTask(aggID, "8.8.8.8", mockExecutorExecutionSummary(3, 3, 3)) stats.RecordOneCopTask(aggID, "8.8.8.9", mockExecutorExecutionSummary(4, 4, 4)) + copDetails := &CopDetails{ + TotalKeys: 10, + ProcessedKeys: 10, + RocksdbDeleteSkippedCount: 10, + RocksdbKeySkippedCount: 1, + RocksdbBlockCacheHitCount: 10, + RocksdbBlockReadCount: 10, + RocksdbBlockReadByte: 100, + } + stats.RecordCopDetail(tableScanID, copDetails) if stats.ExistsCopStats(tableScanID) != true { t.Fatal("exist") } cop := stats.GetCopStats(tableScanID) - if cop.String() != "tikv_task:{proc max:2ns, min:1ns, p80:2ns, p95:2ns, iters:3, tasks:2}" { + if cop.String() != "tikv_task:{proc max:2ns, min:1ns, p80:2ns, p95:2ns, iters:3, tasks:2}"+ + ", total_keys:10, processed_keys:10, rocksdb:{delete_skipped_count:10, key_skipped_count:1, block_cache_hit_count:10, block_read_count:10, block_read_byte:100}" { t.Fatal("table_scan") } copStats := cop.stats["8.8.8.8"] @@ -138,11 +149,22 @@ func TestCopRuntimeStatsForTiFlash(t *testing.T) { stats.RecordOneCopTask(aggID, "8.8.8.9", mockExecutorExecutionSummaryForTiFlash(2, 2, 2, "tablescan_"+strconv.Itoa(tableScanID))) stats.RecordOneCopTask(tableScanID, "8.8.8.8", mockExecutorExecutionSummaryForTiFlash(3, 3, 3, "aggregation_"+strconv.Itoa(aggID))) stats.RecordOneCopTask(tableScanID, "8.8.8.9", mockExecutorExecutionSummaryForTiFlash(4, 4, 4, "aggregation_"+strconv.Itoa(aggID))) + copDetails := &CopDetails{ + TotalKeys: 10, + ProcessedKeys: 10, + RocksdbDeleteSkippedCount: 10, + RocksdbKeySkippedCount: 1, + RocksdbBlockCacheHitCount: 10, + RocksdbBlockReadCount: 10, + RocksdbBlockReadByte: 100, + } + stats.RecordCopDetail(tableScanID, copDetails) if stats.ExistsCopStats(tableScanID) != true { t.Fatal("exist") } cop := stats.GetCopStats(tableScanID) - if cop.String() != "tikv_task:{proc max:2ns, min:1ns, p80:2ns, p95:2ns, iters:3, tasks:2}" { + if cop.String() != "tikv_task:{proc max:2ns, min:1ns, p80:2ns, p95:2ns, iters:3, tasks:2}"+ + ", total_keys:10, processed_keys:10, rocksdb:{delete_skipped_count:10, key_skipped_count:1, block_cache_hit_count:10, block_read_count:10, block_read_byte:100}" { t.Fatal("table_scan") } copStats := cop.stats["8.8.8.8"] From ccd48eeb4d586fa082b2358fbf1dbf77647e64bc Mon Sep 17 00:00:00 2001 From: Zhou Kunqin <25057648+time-and-fate@users.noreply.github.com> Date: Wed, 28 Oct 2020 19:06:25 +0800 Subject: [PATCH 0108/1021] expression: make str_to_date() more compatible with MySQL (#20298) --- expression/builtin_time.go | 3 --- expression/integration_test.go | 17 ++++++++++++++++- types/time.go | 34 +++++++++++++++++++++++++--------- 3 files changed, 41 insertions(+), 13 deletions(-) diff --git a/expression/builtin_time.go b/expression/builtin_time.go index 2c1a9191f17c9..05f143507f3f9 100644 --- a/expression/builtin_time.go +++ b/expression/builtin_time.go @@ -2005,9 +2005,6 @@ func (b *builtinStrToDateDurationSig) evalDuration(row chunk.Row) (types.Duratio if !succ { return types.Duration{}, true, handleInvalidTimeError(b.ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, t.String())) } - if b.ctx.GetSessionVars().SQLMode.HasNoZeroDateMode() && (t.Year() == 0 || t.Month() == 0 || t.Day() == 0) { - return types.Duration{}, true, handleInvalidTimeError(b.ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, t.String())) - } t.SetFsp(int8(b.tp.Decimal)) dur, err := t.ConvertToDuration() return dur, err != nil, err diff --git a/expression/integration_test.go b/expression/integration_test.go index c087156faf59d..fae9ecdf93717 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -1938,13 +1938,28 @@ func (s *testIntegrationSuite2) TestTimeBuiltin(c *C) { result.Check(testkit.Rows("2017-01-01 2017-01-01 12:20:59 12:20:59")) result = tk.MustQuery("select str_to_date('aaa01-01-2017', 'aaa%d-%m-%Y'), str_to_date('59:20:12 aaa01-01-2017', '%s:%i:%H aaa%d-%m-%Y'), str_to_date('59:20:12aaa', '%s:%i:%Haaa')") result.Check(testkit.Rows("2017-01-01 2017-01-01 12:20:59 12:20:59")) + result = tk.MustQuery("select str_to_date('01-01-2017', '%d'), str_to_date('59', '%d-%Y')") // TODO: MySQL returns " ". result.Check(testkit.Rows("0000-00-01 ")) - tk.MustQuery("show warnings").Check(testutil.RowsWithSep("|", "Warning|1292|Incorrect datetime value: '0000-00-00 00:00:00'")) + result = tk.MustQuery("show warnings") + result.Sort().Check(testutil.RowsWithSep("|", + "Warning|1292|Incorrect datetime value: '0000-00-00 00:00:00'", + "Warning|1292|Truncated incorrect datetime value: '01-01-2017'")) + result = tk.MustQuery("select str_to_date('2018-6-1', '%Y-%m-%d'), str_to_date('2018-6-1', '%Y-%c-%d'), str_to_date('59:20:1', '%s:%i:%k'), str_to_date('59:20:1', '%s:%i:%l')") result.Check(testkit.Rows("2018-06-01 2018-06-01 01:20:59 01:20:59")) + result = tk.MustQuery("select str_to_date('2020-07-04 11:22:33 PM c', '%Y-%m-%d %r')") + result.Check(testkit.Rows("2020-07-04 23:22:33")) + result = tk.MustQuery("show warnings") + result.Check(testutil.RowsWithSep("|", "Warning|1292|Truncated incorrect datetime value: '2020-07-04 11:22:33 PM c'")) + + result = tk.MustQuery("select str_to_date('11:22:33 PM', ' %r')") + result.Check(testkit.Rows("23:22:33")) + result = tk.MustQuery("show warnings") + result.Check(testkit.Rows()) + // for maketime tk.MustExec(`drop table if exists t`) tk.MustExec(`create table t(a double, b float, c decimal(10,4));`) diff --git a/types/time.go b/types/time.go index d97cc55958c87..0b8312386d446 100644 --- a/types/time.go +++ b/types/time.go @@ -2678,7 +2678,8 @@ func abbrDayOfMonth(day int) string { func (t *Time) StrToDate(sc *stmtctx.StatementContext, date, format string) bool { ctx := make(map[string]int) var tm CoreTime - if !strToDate(&tm, date, format, ctx) { + success, warning := strToDate(&tm, date, format, ctx) + if !success { t.SetCoreTime(ZeroCoreTime) t.SetType(mysql.TypeDatetime) t.SetFsp(0) @@ -2690,7 +2691,15 @@ func (t *Time) StrToDate(sc *stmtctx.StatementContext, date, format string) bool t.SetCoreTime(tm) t.SetType(mysql.TypeDatetime) - return t.check(sc) == nil + if t.check(sc) != nil { + return false + } + if warning { + // Only append this warning when success but still need warning. + // Currently this only happens when `date` has extra characters at the end. + sc.AppendWarning(ErrTruncatedWrongVal.GenWithStackByArgs(DateTimeStr, date)) + } + return true } // mysqlTimeFix fixes the Time use the values in the context. @@ -2728,30 +2737,35 @@ func mysqlTimeFix(t *CoreTime, ctx map[string]int) error { return nil } -// strToDate converts date string according to format, returns true on success, +// strToDate converts date string according to format, // the value will be stored in argument t or ctx. -func strToDate(t *CoreTime, date string, format string, ctx map[string]int) bool { +// The second return value is true when success but still need to append a warning. +func strToDate(t *CoreTime, date string, format string, ctx map[string]int) (success bool, warning bool) { date = skipWhiteSpace(date) format = skipWhiteSpace(format) token, formatRemain, succ := getFormatToken(format) if !succ { - return false + return false, false } if token == "" { - // Extra characters at the end of date are ignored. - return true + if len(date) != 0 { + // Extra characters at the end of date are ignored, but a warning should be reported at this case. + return true, true + } + // Normal case. Both token and date are empty now. + return true, false } if len(date) == 0 { ctx[token] = 0 - return true + return true, false } dateRemain, succ := matchDateWithToken(t, date, token, ctx) if !succ { - return false + return false, false } return strToDate(t, dateRemain, formatRemain, ctx) @@ -2948,8 +2962,10 @@ func time12Hour(t *CoreTime, input string, ctx map[string]int) (string, bool) { switch { case strings.HasPrefix(remain, "AM"): t.setHour(uint8(hour)) + remain = strings.TrimPrefix(remain, "AM") case strings.HasPrefix(remain, "PM"): t.setHour(uint8(hour + 12)) + remain = strings.TrimPrefix(remain, "PM") default: return input, false } From 2e4390b9c545a52b78dce5d2754308740dad7d80 Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Wed, 28 Oct 2020 20:16:02 +0800 Subject: [PATCH 0109/1021] executor: Check if the query is killed when joining rows in HashJoin (#20270) --- executor/join.go | 20 ++++++++++++++++++++ executor/join_test.go | 24 ++++++++++++++++++++++++ 2 files changed, 44 insertions(+) diff --git a/executor/join.go b/executor/join.go index 15c7f71cb1e10..dc94e24111a35 100644 --- a/executor/join.go +++ b/executor/join.go @@ -579,6 +579,16 @@ func (e *HashJoinExec) join2Chunk(workerID uint, probeSideChk *chunk.Chunk, hCtx } for i := range selected { + killed := atomic.LoadUint32(&e.ctx.GetSessionVars().Killed) == 1 + failpoint.Inject("killedInJoin2Chunk", func(val failpoint.Value) { + if val.(bool) { + killed = true + } + }) + if killed { + joinResult.err = ErrQueryInterrupted + return false, joinResult + } if !selected[i] || hCtx.hasNull[i] { // process unmatched probe side rows e.joiners[workerID].onMissMatch(false, probeSideChk.GetRow(i), joinResult.chk) } else { // process matched probe side rows @@ -610,6 +620,16 @@ func (e *HashJoinExec) join2ChunkForOuterHashJoin(workerID uint, probeSideChk *c } } for i := 0; i < probeSideChk.NumRows(); i++ { + killed := atomic.LoadUint32(&e.ctx.GetSessionVars().Killed) == 1 + failpoint.Inject("killedInJoin2ChunkForOuterHashJoin", func(val failpoint.Value) { + if val.(bool) { + killed = true + } + }) + if killed { + joinResult.err = ErrQueryInterrupted + return false, joinResult + } probeKey, probeRow := hCtx.hashVals[i].Sum64(), probeSideChk.GetRow(i) ok, joinResult = e.joinMatchedProbeSideRow2ChunkForOuterHashJoin(workerID, probeKey, probeRow, hCtx, joinResult) if !ok { diff --git a/executor/join_test.go b/executor/join_test.go index 0a52aa8b94899..26578276e588a 100644 --- a/executor/join_test.go +++ b/executor/join_test.go @@ -23,6 +23,7 @@ import ( . "github.com/pingcap/check" "github.com/pingcap/failpoint" "github.com/pingcap/tidb/config" + "github.com/pingcap/tidb/executor" plannercore "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/session" "github.com/pingcap/tidb/util" @@ -2321,3 +2322,26 @@ func (s *testSuiteJoinSerial) TestExplainAnalyzeJoin(c *C) { c.Assert(rows[0][0], Matches, "HashJoin.*") c.Assert(rows[0][5], Matches, "time:.*, loops:.*, build_hash_table:{total:.*, fetch:.*, build:.*}, probe:{concurrency:5, total:.*, max:.*, probe:.*, fetch:.*}") } + +func (s *testSuiteJoinSerial) TestIssue20270(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + failpoint.Enable("github.com/pingcap/tidb/executor/killedInJoin2Chunk", "return(true)") + tk.MustExec("drop table if exists t;") + tk.MustExec("drop table if exists t1;") + tk.MustExec("create table t(c1 int, c2 int)") + tk.MustExec("create table t1(c1 int, c2 int)") + tk.MustExec("insert into t values(1,1),(2,2)") + tk.MustExec("insert into t1 values(2,3),(4,4)") + err := tk.QueryToErr("select /*+ TIDB_HJ(t, t1) */ * from t left join t1 on t.c1 = t1.c1 where t.c1 = 1 or t1.c2 > 20") + c.Assert(err, Equals, executor.ErrQueryInterrupted) + failpoint.Disable("github.com/pingcap/tidb/executor/killedInJoin2Chunk") + plannercore.ForceUseOuterBuild4Test = true + defer func() { + plannercore.ForceUseOuterBuild4Test = false + }() + failpoint.Enable("github.com/pingcap/tidb/executor/killedInJoin2ChunkForOuterHashJoin", "return(true)") + tk.MustExec("insert into t1 values(1,30),(2,40)") + err = tk.QueryToErr("select /*+ TIDB_HJ(t, t1) */ * from t left outer join t1 on t.c1 = t1.c1 where t.c1 = 1 or t1.c2 > 20") + c.Assert(err, Equals, executor.ErrQueryInterrupted) + failpoint.Disable("github.com/pingcap/tidb/executor/killedInJoin2ChunkForOuterHashJoin") +} From 14a31b5c0e819768e4ed8ea581d2cd57c862bdb7 Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Thu, 29 Oct 2020 10:25:32 +0800 Subject: [PATCH 0110/1021] charset: improve performance of general_ci Compare and Key function (#19558) --- util/collate/collate_test.go | 1 - util/collate/general_ci.go | 19 +++++++++---------- 2 files changed, 9 insertions(+), 11 deletions(-) diff --git a/util/collate/collate_test.go b/util/collate/collate_test.go index f727cf000a87a..07981c4bfa3d6 100644 --- a/util/collate/collate_test.go +++ b/util/collate/collate_test.go @@ -126,7 +126,6 @@ func (s *testCollateSuite) TestGeneralCICollator(c *C) { {"Foo © bar 𝌆 baz ☃ qux", []byte{0x0, 0x46, 0x0, 0x4f, 0x0, 0x4f, 0x0, 0x20, 0x0, 0xa9, 0x0, 0x20, 0x0, 0x42, 0x0, 0x41, 0x0, 0x52, 0x0, 0x20, 0xff, 0xfd, 0x0, 0x20, 0x0, 0x42, 0x0, 0x41, 0x0, 0x5a, 0x0, 0x20, 0x26, 0x3, 0x0, 0x20, 0x0, 0x51, 0x0, 0x55, 0x0, 0x58}}, - {string([]byte{0x88, 0xe6}), []byte{0xff, 0xfd, 0xff, 0xfd}}, {"a ", []byte{0x0, 0x41}}, {"a", []byte{0x0, 0x41}}, } diff --git a/util/collate/general_ci.go b/util/collate/general_ci.go index 2adbb12e5f75d..da60ef5f8b2fc 100644 --- a/util/collate/general_ci.go +++ b/util/collate/general_ci.go @@ -14,8 +14,6 @@ package collate import ( - "unicode/utf8" - "github.com/pingcap/tidb/util/stringutil" ) @@ -139,18 +137,18 @@ func doMatchGeneralCI(str string, patWeights []uint16, patTypes []byte) bool { func (gc *generalCICollator) Compare(a, b string) int { a = truncateTailingSpace(a) b = truncateTailingSpace(b) - for len(a) > 0 && len(b) > 0 { - r1, r1size := utf8.DecodeRuneInString(a) - r2, r2size := utf8.DecodeRuneInString(b) + r1, r2 := rune(0), rune(0) + ai, bi := 0, 0 + for ai < len(a) && bi < len(b) { + r1, ai = decodeRune(a, ai) + r2, bi = decodeRune(b, bi) cmp := int(convertRune(r1)) - int(convertRune(r2)) if cmp != 0 { return sign(cmp) } - a = a[r1size:] - b = b[r2size:] } - return sign(len(a) - len(b)) + return sign((len(a) - ai) - (len(b) - bi)) } // Key implements Collator interface. @@ -158,10 +156,11 @@ func (gc *generalCICollator) Key(str string) []byte { str = truncateTailingSpace(str) buf := make([]byte, 0, len(str)) i := 0 - for _, r := range []rune(str) { + r := rune(0) + for i < len(str) { + r, i = decodeRune(str, i) u16 := convertRune(r) buf = append(buf, byte(u16>>8), byte(u16)) - i++ } return buf } From de4612597c705451d080a521dbb77c764e271727 Mon Sep 17 00:00:00 2001 From: you06 Date: Thu, 29 Oct 2020 12:08:26 +0800 Subject: [PATCH 0111/1021] transaction: lock unique key for delete operation (#19220) Signed-off-by: you06 --- ddl/index.go | 2 +- executor/admin.go | 2 +- executor/admin_test.go | 44 +++++++++---------- executor/delete_test.go | 86 ++++++++++++++++++++++++++++++++++++++ executor/distsql_test.go | 2 +- executor/executor_test.go | 4 +- kv/kv.go | 2 + kv/memdb.go | 18 ++++++++ session/tidb_test.go | 2 +- session/txn.go | 10 +++-- table/index.go | 2 +- table/tables/index.go | 12 ++++-- table/tables/index_test.go | 2 +- table/tables/tables.go | 10 ++--- 14 files changed, 153 insertions(+), 45 deletions(-) create mode 100644 executor/delete_test.go diff --git a/ddl/index.go b/ddl/index.go index 9221398651154..66d3b23830125 100644 --- a/ddl/index.go +++ b/ddl/index.go @@ -1312,7 +1312,7 @@ func (w *cleanUpIndexWorker) BackfillDataInTxn(handleRange reorgBackfillTask) (t // we fetch records row by row, so records will belong to // index[0], index[1] ... index[n-1], index[0], index[1] ... // respectively. So indexes[i%n] is the index of idxRecords[i]. - err := w.indexes[i%n].Delete(w.sessCtx.GetSessionVars().StmtCtx, txn, idxRecord.vals, idxRecord.handle) + err := w.indexes[i%n].Delete(w.sessCtx.GetSessionVars().StmtCtx, txn.GetUnionStore(), idxRecord.vals, idxRecord.handle) if err != nil { return errors.Trace(err) } diff --git a/executor/admin.go b/executor/admin.go index 6eaa8e363fee3..f2f568990699f 100644 --- a/executor/admin.go +++ b/executor/admin.go @@ -571,7 +571,7 @@ func (e *CleanupIndexExec) deleteDanglingIdx(txn kv.Transaction, values map[stri return errors.Trace(errors.Errorf("batch keys are inconsistent with handles")) } for _, handleIdxVals := range handleIdxValsGroup.([][]types.Datum) { - if err := e.index.Delete(e.ctx.GetSessionVars().StmtCtx, txn, handleIdxVals, handle); err != nil { + if err := e.index.Delete(e.ctx.GetSessionVars().StmtCtx, txn.GetUnionStore(), handleIdxVals, handle); err != nil { return err } e.removeCnt++ diff --git a/executor/admin_test.go b/executor/admin_test.go index 01a4556f46000..5f5b475e6ad3c 100644 --- a/executor/admin_test.go +++ b/executor/admin_test.go @@ -118,7 +118,7 @@ func (s *testSuite5) TestAdminRecoverIndex(c *C) { sc := s.ctx.GetSessionVars().StmtCtx txn, err := s.store.Begin() c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums(1), kv.IntHandle(1)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(1), kv.IntHandle(1)) c.Assert(err, IsNil) err = txn.Commit(context.Background()) c.Assert(err, IsNil) @@ -141,7 +141,7 @@ func (s *testSuite5) TestAdminRecoverIndex(c *C) { txn, err = s.store.Begin() c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums(10), kv.IntHandle(10)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(10), kv.IntHandle(10)) c.Assert(err, IsNil) err = txn.Commit(context.Background()) c.Assert(err, IsNil) @@ -155,15 +155,15 @@ func (s *testSuite5) TestAdminRecoverIndex(c *C) { txn, err = s.store.Begin() c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums(1), kv.IntHandle(1)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(1), kv.IntHandle(1)) c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums(2), kv.IntHandle(2)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(2), kv.IntHandle(2)) c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums(3), kv.IntHandle(3)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(3), kv.IntHandle(3)) c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums(10), kv.IntHandle(10)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(10), kv.IntHandle(10)) c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums(20), kv.IntHandle(20)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(20), kv.IntHandle(20)) c.Assert(err, IsNil) err = txn.Commit(context.Background()) c.Assert(err, IsNil) @@ -219,7 +219,7 @@ func (s *testSuite5) TestClusteredIndexAdminRecoverIndex(c *C) { txn, err := s.store.Begin() c.Assert(err, IsNil) cHandle := testutil.MustNewCommonHandle(c, "1", "3") - err = indexOpr.Delete(sc, txn, types.MakeDatums(2), cHandle) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(2), cHandle) c.Assert(err, IsNil) err = txn.Commit(context.Background()) c.Assert(err, IsNil) @@ -252,7 +252,7 @@ func (s *testSuite5) TestAdminRecoverPartitionTableIndex(c *C) { sc := s.ctx.GetSessionVars().StmtCtx txn, err := s.store.Begin() c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums(idxValue), kv.IntHandle(idxValue)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(idxValue), kv.IntHandle(idxValue)) c.Assert(err, IsNil) err = txn.Commit(context.Background()) c.Assert(err, IsNil) @@ -328,13 +328,13 @@ func (s *testSuite5) TestAdminRecoverIndex1(c *C) { txn, err := s.store.Begin() c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums("1"), kv.IntHandle(1)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums("1"), kv.IntHandle(1)) c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums("2"), kv.IntHandle(2)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums("2"), kv.IntHandle(2)) c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums("3"), kv.IntHandle(3)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums("3"), kv.IntHandle(3)) c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums("10"), kv.IntHandle(4)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums("10"), kv.IntHandle(4)) c.Assert(err, IsNil) err = txn.Commit(context.Background()) c.Assert(err, IsNil) @@ -728,7 +728,7 @@ func (s *testSuite3) TestAdminCheckPartitionTableFailed(c *C) { indexOpr := tables.NewIndex(tblInfo.GetPartitionInfo().Definitions[partitionIdx].ID, tblInfo, idxInfo) txn, err := s.store.Begin() c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums(i), kv.IntHandle(i)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(i), kv.IntHandle(i)) c.Assert(err, IsNil) err = txn.Commit(context.Background()) c.Assert(err, IsNil) @@ -766,7 +766,7 @@ func (s *testSuite3) TestAdminCheckPartitionTableFailed(c *C) { // TODO: fix admin recover for partition table. txn, err = s.store.Begin() c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums(i+8), kv.IntHandle(i+8)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(i+8), kv.IntHandle(i+8)) c.Assert(err, IsNil) err = txn.Commit(context.Background()) c.Assert(err, IsNil) @@ -789,7 +789,7 @@ func (s *testSuite3) TestAdminCheckPartitionTableFailed(c *C) { // TODO: fix admin recover for partition table. txn, err = s.store.Begin() c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums(i+8), kv.IntHandle(i)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(i+8), kv.IntHandle(i)) c.Assert(err, IsNil) err = txn.Commit(context.Background()) c.Assert(err, IsNil) @@ -824,7 +824,7 @@ func (s *testSuite5) TestAdminCheckTableFailed(c *C) { // Index c2 is missing 11. txn, err := s.store.Begin() c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums(-10), kv.IntHandle(-1)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(-10), kv.IntHandle(-1)) c.Assert(err, IsNil) err = txn.Commit(context.Background()) c.Assert(err, IsNil) @@ -855,7 +855,7 @@ func (s *testSuite5) TestAdminCheckTableFailed(c *C) { // Index c2 has two more values than table data: 10, 13, and these handles have correlative record. txn, err = s.store.Begin() c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums(0), kv.IntHandle(0)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(0), kv.IntHandle(0)) c.Assert(err, IsNil) // Make sure the index value "19" is smaller "21". Then we scan to "19" before "21". _, err = indexOpr.Create(s.ctx, txn.GetUnionStore(), types.MakeDatums(19), kv.IntHandle(10)) @@ -872,9 +872,9 @@ func (s *testSuite5) TestAdminCheckTableFailed(c *C) { // Two indices have the same handle. txn, err = s.store.Begin() c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums(13), kv.IntHandle(2)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(13), kv.IntHandle(2)) c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums(12), kv.IntHandle(2)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(12), kv.IntHandle(2)) c.Assert(err, IsNil) err = txn.Commit(context.Background()) c.Assert(err, IsNil) @@ -888,7 +888,7 @@ func (s *testSuite5) TestAdminCheckTableFailed(c *C) { c.Assert(err, IsNil) _, err = indexOpr.Create(s.ctx, txn.GetUnionStore(), types.MakeDatums(12), kv.IntHandle(2)) c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums(20), kv.IntHandle(10)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(20), kv.IntHandle(10)) c.Assert(err, IsNil) err = txn.Commit(context.Background()) c.Assert(err, IsNil) @@ -899,7 +899,7 @@ func (s *testSuite5) TestAdminCheckTableFailed(c *C) { // Recover records. txn, err = s.store.Begin() c.Assert(err, IsNil) - err = indexOpr.Delete(sc, txn, types.MakeDatums(19), kv.IntHandle(10)) + err = indexOpr.Delete(sc, txn.GetUnionStore(), types.MakeDatums(19), kv.IntHandle(10)) c.Assert(err, IsNil) _, err = indexOpr.Create(s.ctx, txn.GetUnionStore(), types.MakeDatums(20), kv.IntHandle(10)) c.Assert(err, IsNil) diff --git a/executor/delete_test.go b/executor/delete_test.go new file mode 100644 index 0000000000000..c4bcb1876f1e3 --- /dev/null +++ b/executor/delete_test.go @@ -0,0 +1,86 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package executor_test + +import ( + "sync" + "time" + + . "github.com/pingcap/check" + "github.com/pingcap/tidb/util/testkit" +) + +func (s *testSuite8) TestDeleteLockKey(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + + tk.MustExec(`drop table if exists t1, t2, t3, t4;`) + + cases := []struct { + ddl string + pre string + tk1Stmt string + tk2Stmt string + }{ + { + "create table t1(k int, kk int, val int, primary key(k, kk), unique key(val))", + "insert into t1 values(1, 2, 3)", + "delete from t1 where val = 3", + "insert into t1 values(1, 3, 3)", + }, + { + "create table t2(k int, kk int, val int, primary key(k, kk))", + "insert into t2 values(1, 1, 1)", + "delete from t2 where k = 1", + "insert into t2 values(1, 1, 2)", + }, + { + "create table t3(k int, kk int, val int, vv int, primary key(k, kk), unique key(val))", + "insert into t3 values(1, 2, 3, 4)", + "delete from t3 where vv = 4", + "insert into t3 values(1, 2, 3, 5)", + }, + } + var wg sync.WaitGroup + for _, t := range cases { + wg.Add(1) + go func(t struct { + ddl string + pre string + tk1Stmt string + tk2Stmt string + }) { + tk1, tk2 := testkit.NewTestKit(c, s.store), testkit.NewTestKit(c, s.store) + tk1.MustExec("use test") + tk2.MustExec("use test") + tk1.MustExec("set session tidb_enable_clustered_index=0") + tk1.MustExec(t.ddl) + tk1.MustExec(t.pre) + tk1.MustExec("begin pessimistic") + tk2.MustExec("begin pessimistic") + tk1.MustExec(t.tk1Stmt) + doneCh := make(chan struct{}, 1) + go func() { + tk2.MustExec(t.tk2Stmt) + doneCh <- struct{}{} + }() + time.Sleep(20 * time.Millisecond) + tk1.MustExec("commit") + <-doneCh + tk2.MustExec("commit") + wg.Done() + }(t) + } + wg.Wait() +} diff --git a/executor/distsql_test.go b/executor/distsql_test.go index 1cd6915f0e0f3..2adb4f09bb1e1 100644 --- a/executor/distsql_test.go +++ b/executor/distsql_test.go @@ -235,7 +235,7 @@ func (s *testSuite3) TestInconsistentIndex(c *C) { for i := 0; i < 10; i++ { txn, err := s.store.Begin() c.Assert(err, IsNil) - err = idxOp.Delete(ctx.GetSessionVars().StmtCtx, txn, types.MakeDatums(i+10), kv.IntHandle(100+i)) + err = idxOp.Delete(ctx.GetSessionVars().StmtCtx, txn.GetUnionStore(), types.MakeDatums(i+10), kv.IntHandle(100+i)) c.Assert(err, IsNil) err = txn.Commit(context.Background()) c.Assert(err, IsNil) diff --git a/executor/executor_test.go b/executor/executor_test.go index 65ee98f05d453..d04d7157dd63b 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -3586,9 +3586,9 @@ func (s *testSuite) TestCheckIndex(c *C) { // table data (handle, data): (1, 10), (2, 20), (4, 40) txn, err = s.store.Begin() c.Assert(err, IsNil) - err = idx.Delete(sc, txn, types.MakeDatums(int64(30)), kv.IntHandle(3)) + err = idx.Delete(sc, txn.GetUnionStore(), types.MakeDatums(int64(30)), kv.IntHandle(3)) c.Assert(err, IsNil) - err = idx.Delete(sc, txn, types.MakeDatums(int64(20)), kv.IntHandle(2)) + err = idx.Delete(sc, txn.GetUnionStore(), types.MakeDatums(int64(20)), kv.IntHandle(2)) c.Assert(err, IsNil) err = txn.Commit(context.Background()) c.Assert(err, IsNil) diff --git a/kv/kv.go b/kv/kv.go index 5b4ce45fc3c79..e88d13c7e7428 100644 --- a/kv/kv.go +++ b/kv/kv.go @@ -195,6 +195,8 @@ type MemBuffer interface { SetWithFlags(Key, []byte, ...FlagsOp) error // UpdateFlags update the flags associated with key. UpdateFlags(Key, ...FlagsOp) + // DeleteWithFlags delete key with the given KeyFlags + DeleteWithFlags(Key, ...FlagsOp) error GetKeyByHandle(MemKeyHandle) []byte GetValueByHandle(MemKeyHandle) ([]byte, bool) diff --git a/kv/memdb.go b/kv/memdb.go index 97935abab74fc..5e972bf904856 100644 --- a/kv/memdb.go +++ b/kv/memdb.go @@ -25,6 +25,7 @@ import ( const ( flagPresumeKNE KeyFlags = 1 << iota flagKeyLocked + flagNeedLocked flagKeyLockedValExist flagNeedCheckExists flagPrewriteOnly @@ -49,6 +50,11 @@ func (f KeyFlags) HasLocked() bool { return f&flagKeyLocked != 0 } +// HasNeedLocked return whether the key needed to be locked +func (f KeyFlags) HasNeedLocked() bool { + return f&flagNeedLocked != 0 +} + // HasLockedValueExists returns whether the value exists when key locked. func (f KeyFlags) HasLockedValueExists() bool { return f&flagKeyLockedValExist != 0 @@ -82,6 +88,10 @@ const ( SetKeyLocked // DelKeyLocked reverts SetKeyLocked. DelKeyLocked + // SetNeedLocked marks the associated key need to be acquired lock. + SetNeedLocked + // DelNeedLocked reverts SetKeyNeedLocked. + DelNeedLocked // SetKeyLockedValueExists marks the value exists when key has been locked in Transaction.LockKeys. SetKeyLockedValueExists // SetKeyLockedValueNotExists marks the value doesn't exists when key has been locked in Transaction.LockKeys. @@ -105,6 +115,10 @@ func applyFlagsOps(origin KeyFlags, ops ...FlagsOp) KeyFlags { origin |= flagKeyLocked case DelKeyLocked: origin &= ^flagKeyLocked + case SetNeedLocked: + origin |= flagNeedLocked + case DelNeedLocked: + origin &= ^flagNeedLocked case SetKeyLockedValueExists: origin |= flagKeyLockedValExist case DelNeedCheckExists: @@ -311,6 +325,10 @@ func (db *memdb) Delete(key Key) error { return db.set(key, tombstone) } +func (db *memdb) DeleteWithFlags(key Key, ops ...FlagsOp) error { + return db.set(key, tombstone, ops...) +} + func (db *memdb) GetKeyByHandle(handle MemKeyHandle) []byte { x := db.getNode(handle.toAddr()) return x.getKey() diff --git a/session/tidb_test.go b/session/tidb_test.go index eff7406332925..f3a27c73083a7 100644 --- a/session/tidb_test.go +++ b/session/tidb_test.go @@ -193,7 +193,7 @@ func (s *testMainSuite) TestKeysNeedLock(c *C) { need bool }{ {rowKey, rowVal, true}, - {rowKey, deleteVal, true}, + {rowKey, deleteVal, false}, {indexKey, nonUniqueVal, false}, {indexKey, nonUniqueUntouched, false}, {indexKey, uniqueValue, true}, diff --git a/session/txn.go b/session/txn.go index 9858d134cf8e7..1d9f90b5168be 100644 --- a/session/txn.go +++ b/session/txn.go @@ -288,11 +288,13 @@ func keyNeedToLock(k, v []byte, flags kv.KeyFlags) bool { if flags.HasPresumeKeyNotExists() { return true } - isDelete := len(v) == 0 - if isDelete { - // only need to delete row key. - return k[10] == 'r' + + // do not lock row key for delete operation, + // lock primary key and unique index only. + if len(v) == 0 { + return flags.HasNeedLocked() } + if tablecodec.IsUntouchedIndexKValue(k, v) { return false } diff --git a/table/index.go b/table/index.go index b5059beece5ec..90aefe280ccd2 100644 --- a/table/index.go +++ b/table/index.go @@ -66,7 +66,7 @@ type Index interface { // Create supports insert into statement. Create(ctx sessionctx.Context, us kv.UnionStore, indexedValues []types.Datum, h kv.Handle, opts ...CreateIdxOptFunc) (kv.Handle, error) // Delete supports delete from statement. - Delete(sc *stmtctx.StatementContext, m kv.Mutator, indexedValues []types.Datum, h kv.Handle) error + Delete(sc *stmtctx.StatementContext, us kv.UnionStore, indexedValues []types.Datum, h kv.Handle) error // Drop supports drop table, drop index statements. Drop(us kv.UnionStore) error // Exist supports check index exists or not. diff --git a/table/tables/index.go b/table/tables/index.go index 37abff8770f31..5d3868463a756 100644 --- a/table/tables/index.go +++ b/table/tables/index.go @@ -255,13 +255,17 @@ func (c *index) Create(sctx sessionctx.Context, us kv.UnionStore, indexedValues return handle, kv.ErrKeyExists } -// Delete removes the entry for handle h and indexdValues from KV index. -func (c *index) Delete(sc *stmtctx.StatementContext, m kv.Mutator, indexedValues []types.Datum, h kv.Handle) error { - key, _, err := c.GenIndexKey(sc, indexedValues, h, nil) +// Delete removes the entry for handle h and indexedValues from KV index. +func (c *index) Delete(sc *stmtctx.StatementContext, us kv.UnionStore, indexedValues []types.Datum, h kv.Handle) error { + key, distinct, err := c.GenIndexKey(sc, indexedValues, h, nil) if err != nil { return err } - err = m.Delete(key) + if distinct { + err = us.GetMemBuffer().DeleteWithFlags(key, kv.SetNeedLocked) + } else { + err = us.GetMemBuffer().Delete(key) + } return err } diff --git a/table/tables/index_test.go b/table/tables/index_test.go index 6279995773893..2a0264fa91475 100644 --- a/table/tables/index_test.go +++ b/table/tables/index_test.go @@ -112,7 +112,7 @@ func (s *testIndexSuite) TestIndex(c *C) { c.Assert(err, IsNil) c.Assert(exist, IsTrue) - err = index.Delete(sc, txn, values, kv.IntHandle(1)) + err = index.Delete(sc, txn.GetUnionStore(), values, kv.IntHandle(1)) c.Assert(err, IsNil) it, err = index.SeekFirst(txn) diff --git a/table/tables/tables.go b/table/tables/tables.go index 78689321286a2..18735e260cfa4 100644 --- a/table/tables/tables.go +++ b/table/tables/tables.go @@ -1093,11 +1093,7 @@ func (t *TableCommon) removeRowData(ctx sessionctx.Context, h kv.Handle) error { } key := t.RecordKey(h) - err = txn.Delete(key) - if err != nil { - return err - } - return nil + return txn.Delete(key) } // removeRowIndices removes all the indices of a row. @@ -1112,7 +1108,7 @@ func (t *TableCommon) removeRowIndices(ctx sessionctx.Context, h kv.Handle, rec logutil.BgLogger().Info("remove row index failed", zap.Any("index", v.Meta()), zap.Uint64("txnStartTS", txn.StartTS()), zap.String("handle", h.String()), zap.Any("record", rec), zap.Error(err)) return err } - if err = v.Delete(ctx.GetSessionVars().StmtCtx, txn, vals, h); err != nil { + if err = v.Delete(ctx.GetSessionVars().StmtCtx, txn.GetUnionStore(), vals, h); err != nil { if v.Meta().State != model.StatePublic && kv.ErrNotExist.Equal(err) { // If the index is not in public state, we may have not created the index, // or already deleted the index, so skip ErrNotExist error. @@ -1127,7 +1123,7 @@ func (t *TableCommon) removeRowIndices(ctx sessionctx.Context, h kv.Handle, rec // removeRowIndex implements table.Table RemoveRowIndex interface. func (t *TableCommon) removeRowIndex(sc *stmtctx.StatementContext, h kv.Handle, vals []types.Datum, idx table.Index, txn kv.Transaction) error { - return idx.Delete(sc, txn, vals, h) + return idx.Delete(sc, txn.GetUnionStore(), vals, h) } // buildIndexForRow implements table.Table BuildIndexForRow interface. From b1b1da22e5361bdf390007391491c0284550932f Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Thu, 29 Oct 2020 15:08:42 +0800 Subject: [PATCH 0112/1021] planner: fix wrong argument for split aggregation (#20474) --- planner/core/integration_test.go | 11 +++++++++++ planner/core/task.go | 2 +- 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 1737c3b00e115..6561516be83be 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1528,6 +1528,17 @@ func (s *testIntegrationSerialSuite) TestIssue18984(c *C) { "3 3 3 2 4 3 5")) } +func (s *testIntegrationSuite) TestDistinctScalarFunctionPushDown(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int not null, b int not null, c int not null, primary key (a,c)) partition by range (c) (partition p0 values less than (5), partition p1 values less than (10))") + tk.MustExec("insert into t values(1,1,1),(2,2,2),(3,1,3),(7,1,7),(8,2,8),(9,2,9)") + tk.MustQuery("select count(distinct b+1) as col from t").Check(testkit.Rows( + "2", + )) +} + func (s *testIntegrationSerialSuite) TestExplainAnalyzePointGet(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/planner/core/task.go b/planner/core/task.go index 814ff7eff5343..11b88276b3755 100644 --- a/planner/core/task.go +++ b/planner/core/task.go @@ -1158,7 +1158,7 @@ func BuildFinalModeAggregation( // if partial agg is not cop, we must append firstrow function & schema, to output the group by // items. // maybe we can unify them sometime. - firstRow, err := aggregation.NewAggFuncDesc(sctx, ast.AggFuncFirstRow, []expression.Expression{gbyCol}, false) + firstRow, err := aggregation.NewAggFuncDesc(sctx, ast.AggFuncFirstRow, []expression.Expression{distinctArg}, false) if err != nil { panic("NewAggFuncDesc FirstRow meets error: " + err.Error()) } From 3d536a6e7e8da7f6dc591013ae69e05a9728855b Mon Sep 17 00:00:00 2001 From: crazycs Date: Thu, 29 Oct 2020 16:57:04 +0800 Subject: [PATCH 0113/1021] executor: add diagnosis rule to check Transparent Huge Pages(THP) enabled (#20611) Signed-off-by: crazycs520 --- executor/inspection_result.go | 35 ++++++++++++++++++++---------- executor/inspection_result_test.go | 26 ++++++++++++++++++---- go.mod | 2 +- go.sum | 3 ++- 4 files changed, 49 insertions(+), 17 deletions(-) diff --git a/executor/inspection_result.go b/executor/inspection_result.go index 4d8bd69ca3edb..56088f3ac36f7 100644 --- a/executor/inspection_result.go +++ b/executor/inspection_result.go @@ -241,6 +241,7 @@ func (configInspection) inspectDiffConfig(ctx context.Context, sctx sessionctx.C // TiKV "server.addr", "server.advertise-addr", + "server.advertise-status-addr", "server.status-addr", "log-file", "raftstore.raftdb-path", @@ -298,23 +299,35 @@ func (configInspection) inspectDiffConfig(ctx context.Context, sctx sessionctx.C func (c configInspection) inspectCheckConfig(ctx context.Context, sctx sessionctx.Context, filter inspectionFilter) []inspectionResult { // check the configuration in reason. cases := []struct { + table string tp string key string - value string + expect string + cond string detail string }{ { - tp: "tidb", + table: "cluster_config", key: "log.slow-threshold", - value: "0", + expect: "> 0", + cond: "type = 'tidb' and `key` = 'log.slow-threshold' and value = '0'", detail: "slow-threshold = 0 will record every query to slow log, it may affect performance", }, { - tp: "tikv", + + table: "cluster_config", key: "raftstore.sync-log", - value: "false", + expect: "true", + cond: "type = 'tikv' and `key` = 'raftstore.sync-log' and value = 'false'", detail: "sync-log should be true to avoid recover region when the machine breaks down", }, + { + table: "cluster_systeminfo", + key: "transparent_hugepage_enabled", + expect: "always madvise [never]", + cond: "system_name = 'kernel' and name = 'transparent_hugepage_enabled' and value not like '%[never]%'", + detail: "Transparent HugePages can cause memory allocation delays during runtime, TiDB recommends that you disable Transparent HugePages on all TiDB servers", + }, } var results []inspectionResult @@ -322,8 +335,8 @@ func (c configInspection) inspectCheckConfig(ctx context.Context, sctx sessionct if !filter.enable(cas.key) { continue } - sql := fmt.Sprintf("select instance from information_schema.cluster_config where type = '%s' and `key` = '%s' and value = '%s'", - cas.tp, cas.key, cas.value) + sql := fmt.Sprintf("select type,instance,value from information_schema.%s where %s", + cas.table, cas.cond) rows, _, err := sctx.(sqlexec.RestrictedSQLExecutor).ExecRestrictedSQLWithContext(ctx, sql) if err != nil { sctx.GetSessionVars().StmtCtx.AppendWarning(fmt.Errorf("check configuration in reason failed: %v", err)) @@ -331,11 +344,11 @@ func (c configInspection) inspectCheckConfig(ctx context.Context, sctx sessionct for _, row := range rows { results = append(results, inspectionResult{ - tp: cas.tp, - instance: row.GetString(0), + tp: row.GetString(0), + instance: row.GetString(1), item: cas.key, - actual: cas.value, - expected: "not " + cas.value, + actual: row.GetString(2), + expected: cas.expect, severity: "warning", detail: cas.detail, }) diff --git a/executor/inspection_result_test.go b/executor/inspection_result_test.go index 54a398898ac98..90714fc8ba00d 100644 --- a/executor/inspection_result_test.go +++ b/executor/inspection_result_test.go @@ -95,6 +95,14 @@ func (s *inspectionResultSuite) TestInspectionResult(c *C) { types.MakeDatums("pd", "192.168.1.33:1234", "cpu", "cpu", "cpu-logical-cores", "10"), }, } + // mock cluster system information + mockData[infoschema.TableClusterSystemInfo] = variable.TableSnapshot{ + Rows: [][]types.Datum{ + types.MakeDatums("pd", "pd-0", "system", "kernel", "transparent_hugepage_enabled", "always madvise [never]"), + types.MakeDatums("tikv", "tikv-2", "system", "kernel", "transparent_hugepage_enabled", "[always] madvise never"), + types.MakeDatums("tidb", "tidb-0", "system", "kernel", "transparent_hugepage_enabled", "always madvise [never]"), + }, + } datetime := func(str string) types.Time { return s.parseTime(c, tk.Se, str) @@ -120,9 +128,10 @@ func (s *inspectionResultSuite) TestInspectionResult(c *C) { rows: []string{ "config coprocessor.high tikv inconsistent consistent warning 192.168.3.32:26600,192.168.3.33:26600 config value is 8\n192.168.3.34:26600,192.168.3.35:26600 config value is 7", "config ddl.lease tidb inconsistent consistent warning 192.168.3.22:4000,192.168.3.24:4000,192.168.3.25:4000 config value is 1\n192.168.3.23:4000 config value is 2", - "config log.slow-threshold tidb 0 not 0 warning slow-threshold = 0 will record every query to slow log, it may affect performance", + "config log.slow-threshold tidb 0 > 0 warning slow-threshold = 0 will record every query to slow log, it may affect performance", "config log.slow-threshold tidb inconsistent consistent warning 192.168.3.24:4000 config value is 0\n192.168.3.25:4000 config value is 1", - "config raftstore.sync-log tikv false not false warning sync-log should be true to avoid recover region when the machine breaks down", + "config raftstore.sync-log tikv false true warning sync-log should be true to avoid recover region when the machine breaks down", + "config transparent_hugepage_enabled tikv [always] madvise never always madvise [never] warning Transparent HugePages can cause memory allocation delays during runtime, TiDB recommends that you disable Transparent HugePages on all TiDB servers", "version git_hash pd inconsistent consistent critical the cluster has 3 different pd versions, execute the sql to see more detail: select * from information_schema.cluster_info where type='pd'", "version git_hash tidb inconsistent consistent critical the cluster has 3 different tidb versions, execute the sql to see more detail: select * from information_schema.cluster_info where type='tidb'", "version git_hash tikv inconsistent consistent critical the cluster has 2 different tikv versions, execute the sql to see more detail: select * from information_schema.cluster_info where type='tikv'", @@ -140,9 +149,10 @@ func (s *inspectionResultSuite) TestInspectionResult(c *C) { rows: []string{ "config coprocessor.high tikv inconsistent consistent warning 192.168.3.32:26600,192.168.3.33:26600 config value is 8\n192.168.3.34:26600,192.168.3.35:26600 config value is 7", "config ddl.lease tidb inconsistent consistent warning 192.168.3.22:4000,192.168.3.24:4000,192.168.3.25:4000 config value is 1\n192.168.3.23:4000 config value is 2", - "config log.slow-threshold tidb 0 not 0 warning slow-threshold = 0 will record every query to slow log, it may affect performance", + "config log.slow-threshold tidb 0 > 0 warning slow-threshold = 0 will record every query to slow log, it may affect performance", "config log.slow-threshold tidb inconsistent consistent warning 192.168.3.24:4000 config value is 0\n192.168.3.25:4000 config value is 1", - "config raftstore.sync-log tikv false not false warning sync-log should be true to avoid recover region when the machine breaks down", + "config raftstore.sync-log tikv false true warning sync-log should be true to avoid recover region when the machine breaks down", + "config transparent_hugepage_enabled tikv [always] madvise never always madvise [never] warning Transparent HugePages can cause memory allocation delays during runtime, TiDB recommends that you disable Transparent HugePages on all TiDB servers", }, }, { @@ -208,6 +218,14 @@ func (s *inspectionResultSuite) setupForInspection(c *C, mockData map[string][][ types.MakeDatums("tikv", "tikv-2", "tikv-2s", "4.0", "a234c", "", ""), }, } + // mock cluster system information + configurations[infoschema.TableClusterSystemInfo] = variable.TableSnapshot{ + Rows: [][]types.Datum{ + types.MakeDatums("pd", "pd-0", "system", "kernel", "transparent_hugepage_enabled", "always madvise [never]"), + types.MakeDatums("tikv", "tikv-2", "system", "kernel", "transparent_hugepage_enabled", "always madvise [never]"), + types.MakeDatums("tidb", "tidb-0", "system", "kernel", "transparent_hugepage_enabled", "always madvise [never]"), + }, + } } fpName := "github.com/pingcap/tidb/executor/mockMergeMockInspectionTables" c.Assert(failpoint.Enable(fpName, "return"), IsNil) diff --git a/go.mod b/go.mod index 33f4eb4cf4a66..cccb22660fdce 100644 --- a/go.mod +++ b/go.mod @@ -54,7 +54,7 @@ require ( github.com/pingcap/kvproto v0.0.0-20201023092649-e6d6090277c9 github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 github.com/pingcap/parser v0.0.0-20201028030005-1328d877c9f3 - github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a + github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f github.com/prometheus/client_golang v1.5.1 diff --git a/go.sum b/go.sum index 97cfe37d0baf2..d359eea653113 100644 --- a/go.sum +++ b/go.sum @@ -449,8 +449,9 @@ github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463/go.mod h1:4rbK1p9ILyIf github.com/pingcap/parser v0.0.0-20201028030005-1328d877c9f3 h1:dfdPB1Ot9cNki/hVUgWFUiM8b05b5JCw7Oq9x6HaDeM= github.com/pingcap/parser v0.0.0-20201028030005-1328d877c9f3/go.mod h1:74+OEdwM4B/jMpBRl92ch6CSmSYkQtv2TNxIjFdT/GE= github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= -github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a h1:i2RElJ2aykSqZKeY+3SK18NHhajil8cQdG77wHe+P1Y= github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= +github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 h1:b2G/eqDeywtdJF3w9nIUdqMmXChsmpLvf4FzUxJ9Vmk= +github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible h1:qPppnsXVh3KswqRZdSAShGLLPd7dB+5w4lXDnpYn0SQ= github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible/go.mod h1:XGdcy9+yqlDSEMTpOXnwf3hiTeqrV6MN/u1se9N8yIM= github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f h1:J+0TAI+7Hvebz4bM4GnRCRT4MpjYnUxbyi9ky5ZQUsU= From 14d6ed564cba447e3e2d7cb77c9ba02eacb2e753 Mon Sep 17 00:00:00 2001 From: rebelice Date: Thu, 29 Oct 2020 19:36:25 +0800 Subject: [PATCH 0114/1021] test: add conditions check for TestDefaultValForAnalyze (#20718) --- executor/analyze_test.go | 2 ++ 1 file changed, 2 insertions(+) diff --git a/executor/analyze_test.go b/executor/analyze_test.go index 425a377d519dd..f2f0af38cc1c5 100644 --- a/executor/analyze_test.go +++ b/executor/analyze_test.go @@ -720,6 +720,8 @@ func (s *testSuite1) TestDefaultValForAnalyze(c *C) { for i := 1; i < 4; i++ { tk.MustExec("insert into t values (?)", i) } + tk.MustQuery("select @@tidb_enable_fast_analyze").Check(testkit.Rows("0")) + tk.MustQuery("select @@session.tidb_enable_fast_analyze").Check(testkit.Rows("0")) tk.MustExec("analyze table t with 0 topn;") tk.MustQuery("explain select * from t where a = 1").Check(testkit.Rows("IndexReader_6 512.00 root index:IndexRangeScan_5", "└─IndexRangeScan_5 512.00 cop[tikv] table:t, index:a(a) range:[1,1], keep order:false")) From e102c12479fcf3c14dcc1356268723b80a04eae9 Mon Sep 17 00:00:00 2001 From: Null not nil <67764674+nullnotnil@users.noreply.github.com> Date: Thu, 29 Oct 2020 09:00:26 -0600 Subject: [PATCH 0115/1021] planner, config: Enable plan cache by default (#20416) --- bindinfo/bind_test.go | 8 ++++++++ config/config.go | 2 +- config/config.toml.example | 2 +- executor/prepared_test.go | 6 ++++++ expression/integration_test.go | 18 ++++++++++++++++++ planner/core/cache.go | 5 ++--- 6 files changed, 36 insertions(+), 5 deletions(-) diff --git a/bindinfo/bind_test.go b/bindinfo/bind_test.go index a305fd8fd12a2..f510761b9bad7 100644 --- a/bindinfo/bind_test.go +++ b/bindinfo/bind_test.go @@ -31,6 +31,7 @@ import ( "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/meta/autoid" "github.com/pingcap/tidb/metrics" + plannercore "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/session" "github.com/pingcap/tidb/store/mockstore" "github.com/pingcap/tidb/store/mockstore/cluster" @@ -604,6 +605,13 @@ func (s *testSuite) TestErrorBind(c *C) { func (s *testSuite) TestPreparedStmt(c *C) { tk := testkit.NewTestKit(c, s.store) s.cleanBindingEnv(tk) + + orgEnable := plannercore.PreparedPlanCacheEnabled() + defer func() { + plannercore.SetPreparedPlanCache(orgEnable) + }() + plannercore.SetPreparedPlanCache(false) // requires plan cache disabled, or the IndexNames = 1 on first test. + tk.MustExec("use test") tk.MustExec("drop table if exists t") tk.MustExec("create table t(a int, b int, index idx(a))") diff --git a/config/config.go b/config/config.go index 3e71029921b93..1d69d58fc7659 100644 --- a/config/config.go +++ b/config/config.go @@ -689,7 +689,7 @@ var defaultConf = Config{ HeaderTimeout: 5, }, PreparedPlanCache: PreparedPlanCache{ - Enabled: false, + Enabled: true, Capacity: 100, MemoryGuardRatio: 0.1, }, diff --git a/config/config.toml.example b/config/config.toml.example index 5de78c7433223..03af7b1922b35 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -299,7 +299,7 @@ networks = "" header-timeout = 5 [prepared-plan-cache] -enabled = false +enabled = true capacity = 100 memory-guard-ratio = 0.1 diff --git a/executor/prepared_test.go b/executor/prepared_test.go index f3b461d287629..c43150deff391 100644 --- a/executor/prepared_test.go +++ b/executor/prepared_test.go @@ -69,6 +69,12 @@ func (s *testSerialSuite) TestPrepareStmtAfterIsolationReadChange(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.Se.Auth(&auth.UserIdentity{Username: "root", Hostname: "localhost", CurrentUser: true, AuthUsername: "root", AuthHostname: "%"}, nil, []byte("012345678901234567890")) + orgEnable := plannercore.PreparedPlanCacheEnabled() + defer func() { + plannercore.SetPreparedPlanCache(orgEnable) + }() + plannercore.SetPreparedPlanCache(false) // requires plan cache disabled + tk.MustExec("drop table if exists t") tk.MustExec("create table t(a int)") // create virtual tiflash replica. diff --git a/expression/integration_test.go b/expression/integration_test.go index fae9ecdf93717..f64ea363f04af 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -5706,6 +5706,24 @@ func (s *testIntegrationSuite) TestCastStrToInt(c *C) { } } +func (s *testIntegrationSerialSuite) TestPreparePlanCache(c *C) { + tk := testkit.NewTestKit(c, s.store) + + // Plan cache should now be on by default + c.Assert(plannercore.PreparedPlanCacheEnabled(), Equals, true) + + // Use the example from the docs https://docs.pingcap.com/tidb/stable/sql-prepare-plan-cache + tk.MustExec("use test") + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t(a int);") + tk.MustExec("prepare stmt from 'select * from t where a = ?';") + tk.MustExec("set @a = 1;") + tk.MustExec("execute stmt using @a;") + tk.MustQuery("select @@last_plan_from_cache;").Check(testkit.Rows("0")) + tk.MustExec("execute stmt using @a;") + tk.MustQuery("select @@last_plan_from_cache;").Check(testkit.Rows("1")) +} + func (s *testIntegrationSerialSuite) TestIssue16205(c *C) { tk := testkit.NewTestKit(c, s.store) orgEnable := plannercore.PreparedPlanCacheEnabled() diff --git a/planner/core/cache.go b/planner/core/cache.go index e4d62da5d58ba..8f37a59a8c9b3 100644 --- a/planner/core/cache.go +++ b/planner/core/cache.go @@ -32,9 +32,8 @@ import ( var ( // preparedPlanCacheEnabledValue stores the global config "prepared-plan-cache-enabled". - // If the value of "prepared-plan-cache-enabled" is true, preparedPlanCacheEnabledValue's value is 1. - // Otherwise, preparedPlanCacheEnabledValue's value is 0. - preparedPlanCacheEnabledValue int32 + // The value is true unless "prepared-plan-cache-enabled" is FALSE in configuration. + preparedPlanCacheEnabledValue int32 = 1 // PreparedPlanCacheCapacity stores the global config "prepared-plan-cache-capacity". PreparedPlanCacheCapacity uint = 100 // PreparedPlanCacheMemoryGuardRatio stores the global config "prepared-plan-cache-memory-guard-ratio". From 280e8aa35f982ad31131fa9930f35141aca97110 Mon Sep 17 00:00:00 2001 From: Null not nil <67764674+nullnotnil@users.noreply.github.com> Date: Sat, 31 Oct 2020 07:32:55 -0600 Subject: [PATCH 0116/1021] *: fix CI break on errors.toml (#20742) --- errors.toml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/errors.toml b/errors.toml index 077ade3fc9606..985f5f240d6dc 100644 --- a/errors.toml +++ b/errors.toml @@ -1,5 +1,5 @@ # AUTOGENERATED BY github.com/pingcap/tiup/components/errdoc/errdoc-gen -# DO NOT EDIT THIS FILE, PLEASE CHANGE ERROR DEFINITION IF CONTENT IMPROPER. +# YOU CAN CHANGE THE 'description'/'workaround' FIELDS IF THEM ARE IMPROPER. ["admin:8003"] error = ''' From c67da2359c0a292c562bc4cf49469845746cf129 Mon Sep 17 00:00:00 2001 From: baishen Date: Sun, 1 Nov 2020 22:01:08 -0600 Subject: [PATCH 0117/1021] ddl: fix drop last visible column (#20344) --- ddl/db_integration_test.go | 20 ++++++++++++++++++++ ddl/ddl_api.go | 22 ++++++++++++++++++++++ 2 files changed, 42 insertions(+) diff --git a/ddl/db_integration_test.go b/ddl/db_integration_test.go index 1ec26a3b2daa2..c7a385778ef92 100644 --- a/ddl/db_integration_test.go +++ b/ddl/db_integration_test.go @@ -2474,6 +2474,26 @@ func (s *testIntegrationSuite5) TestDropColumnsWithMultiIndex(c *C) { tk.MustQuery(query).Check(testkit.Rows()) } +func (s *testIntegrationSuite5) TestDropLastVisibleColumn(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test_db") + tk.MustExec("create table t_drop_last_column(x int, key((1+1)))") + defer tk.MustExec("drop table if exists t_drop_last_column") + _, err := tk.Exec("alter table t_drop_last_column drop column x") + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "[ddl:1113]A table must have at least 1 column") +} + +func (s *testIntegrationSuite5) TestDropLastVisibleColumns(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test_db") + tk.MustExec("create table t_drop_last_columns(x int, y int, key((1+1)))") + defer tk.MustExec("drop table if exists t_drop_last_columns") + _, err := tk.Exec("alter table t_drop_last_columns drop column x, drop column y") + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "[ddl:1113]A table must have at least 1 column") +} + func (s *testIntegrationSuite7) TestAutoIncrementTableOption(c *C) { tk := testkit.NewTestKit(c, s.store) defer config.RestoreFunc()() diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 60637350c00f0..6eda27eb587f7 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -3208,6 +3208,10 @@ func (d *ddl) DropColumn(ctx sessionctx.Context, ti ast.Ident, spec *ast.AlterTa return nil } colName := spec.OldColumnName.Name + err = checkDropVisibleColumnCnt(t, 1) + if err != nil { + return err + } job := &model.Job{ SchemaID: schema.ID, @@ -3276,6 +3280,10 @@ func (d *ddl) DropColumns(ctx sessionctx.Context, ti ast.Ident, specs []*ast.Alt return ErrCantRemoveAllFields.GenWithStack("can't drop all columns in table %s", tblInfo.Name) } + err = checkDropVisibleColumnCnt(t, len(colNames)) + if err != nil { + return err + } job := &model.Job{ SchemaID: schema.ID, @@ -3318,6 +3326,20 @@ func checkIsDroppableColumn(ctx sessionctx.Context, t table.Table, spec *ast.Alt return true, nil } +func checkDropVisibleColumnCnt(t table.Table, columnCnt int) error { + tblInfo := t.Meta() + visibleColumCnt := 0 + for _, column := range tblInfo.Columns { + if !column.Hidden { + visibleColumCnt++ + } + if visibleColumCnt > columnCnt { + return nil + } + } + return ErrTableMustHaveColumns +} + // checkModifyCharsetAndCollation returns error when the charset or collation is not modifiable. // needRewriteCollationData is used when trying to modify the collation of a column, it is true when the column is with // index because index of a string column is collation-aware. From 369c12f779f8e990f38af6a158be1d702aef4922 Mon Sep 17 00:00:00 2001 From: Han Fei Date: Mon, 2 Nov 2020 14:30:47 +0800 Subject: [PATCH 0118/1021] [planner, executor, kv]: refine and extract mpp codes to the right place (#20691) --- executor/benchmark_test.go | 2 +- executor/mpp_gather.go | 202 +++-------------------- kv/kv.go | 35 ---- kv/mpp.go | 75 +++++++++ planner/cascades/enforcer_rules.go | 4 +- planner/cascades/enforcer_rules_test.go | 6 +- planner/cascades/implementation_rules.go | 22 +-- planner/cascades/optimize.go | 2 +- planner/core/exhaust_physical_plans.go | 72 ++++---- planner/core/find_best_task.go | 58 +++---- planner/core/find_best_task_test.go | 34 ++-- planner/core/fragment.go | 90 ++++++++++ planner/core/logical_plan_builder.go | 20 +-- planner/core/logical_plan_test.go | 2 +- planner/core/logical_plans.go | 8 +- planner/core/optimizer.go | 2 +- planner/core/physical_plans.go | 79 ++++++++- planner/core/plan.go | 6 +- planner/core/task.go | 2 +- planner/memo/group_test.go | 2 +- planner/property/physical_property.go | 49 +++--- store/tikv/mpp.go | 12 +- 22 files changed, 419 insertions(+), 365 deletions(-) create mode 100644 kv/mpp.go create mode 100644 planner/core/fragment.go diff --git a/executor/benchmark_test.go b/executor/benchmark_test.go index c01f61f4557e5..9a2ec82bd5d5f 100644 --- a/executor/benchmark_test.go +++ b/executor/benchmark_test.go @@ -463,7 +463,7 @@ func buildWindowExecutor(ctx sessionctx.Context, windowFunc string, funcs int, f }) } for _, col := range partitionBy { - win.PartitionBy = append(win.PartitionBy, property.Item{Col: col}) + win.PartitionBy = append(win.PartitionBy, property.SortItem{Col: col}) } win.Frame = frame win.OrderBy = nil diff --git a/executor/mpp_gather.go b/executor/mpp_gather.go index facbbf48d9a54..aba6f9cd04e2b 100644 --- a/executor/mpp_gather.go +++ b/executor/mpp_gather.go @@ -17,16 +17,13 @@ import ( "context" "github.com/pingcap/errors" - "github.com/pingcap/kvproto/pkg/mpp" "github.com/pingcap/tidb/distsql" - "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/kv" plannercore "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/util/chunk" - "github.com/pingcap/tidb/util/plancodec" "github.com/pingcap/tidb/util/ranger" "github.com/pingcap/tipb/go-tipb" ) @@ -42,115 +39,6 @@ func useMPPExecution(ctx sessionctx.Context, tr *plannercore.PhysicalTableReader return true } -type mppTask struct { - taskInfo kv.MPPTask // on which store this task will execute - id int64 // mppTaskID - startTs uint64 - tableID int64 // physical table id -} - -// ToPB generates the pb structure. -func (t *mppTask) ToPB() *mpp.TaskMeta { - meta := &mpp.TaskMeta{ - StartTs: t.startTs, - TaskId: t.id, - } - if t.id != -1 { - meta.Address = t.taskInfo.GetAddress() - } - return meta -} - -// planFragment is cut from the whole pushed-down plan by pipeline breaker. -// Communication by pfs are always through shuffling / broadcasting / passing through. -type planFragment struct { - p plannercore.PhysicalPlan - - /// following field are filled during getPlanFragment. - // TODO: Strictly speaking, not all plan fragment contain table scan. we can do this assumption until more plans are supported. - tableScan *plannercore.PhysicalTableScan // result physical table scan - exchangeReceivers []*ExchangeReceiver // data receivers - - // following fields are filled after scheduling. - exchangeSender *ExchangeSender // data exporter -} - -// ExchangeReceiver accepts connection and receives data passively. -type ExchangeReceiver struct { - plannercore.PhysicalExchangerBase - - tasks []*mppTask - childPf *planFragment - schema *expression.Schema -} - -// ToPB generates the pb structure. -func (e *ExchangeReceiver) ToPB(ctx sessionctx.Context, storeType kv.StoreType) (*tipb.Executor, error) { - - encodedTask := make([][]byte, 0, len(e.tasks)) - - for _, task := range e.tasks { - encodedStr, err := task.ToPB().Marshal() - if err != nil { - return nil, errors.Trace(err) - } - encodedTask = append(encodedTask, encodedStr) - } - - fieldTypes := make([]*tipb.FieldType, 0, len(e.schema.Columns)) - for _, column := range e.schema.Columns { - fieldTypes = append(fieldTypes, expression.ToPBFieldType(column.RetType)) - } - ecExec := &tipb.ExchangeReceiver{ - EncodedTaskMeta: encodedTask, - FieldTypes: fieldTypes, - } - executorID := e.ExplainID().String() - return &tipb.Executor{ - Tp: tipb.ExecType_TypeExchangeReceiver, - ExchangeReceiver: ecExec, - ExecutorId: &executorID, - }, nil -} - -// ExchangeSender dispatches data to upstream tasks. That means push mode processing, -type ExchangeSender struct { - plannercore.PhysicalExchangerBase - - tasks []*mppTask - exchangeType tipb.ExchangeType -} - -// ToPB generates the pb structure. -func (e *ExchangeSender) ToPB(ctx sessionctx.Context, storeType kv.StoreType) (*tipb.Executor, error) { - child, err := e.Children()[0].ToPB(ctx, kv.TiFlash) - if err != nil { - return nil, errors.Trace(err) - } - - encodedTask := make([][]byte, 0, len(e.tasks)) - - for _, task := range e.tasks { - encodedStr, err := task.ToPB().Marshal() - if err != nil { - return nil, errors.Trace(err) - } - encodedTask = append(encodedTask, encodedStr) - } - - ecExec := &tipb.ExchangeSender{ - Tp: e.exchangeType, - EncodedTaskMeta: encodedTask, - Child: child, - } - executorID := e.ExplainID().String() - return &tipb.Executor{ - Tp: tipb.ExecType_TypeExchangeSender, - ExchangeSender: ecExec, - ExecutorId: &executorID, - }, nil -} - // MPPGather dispatch MPP tasks and read data from root tasks. type MPPGather struct { // following fields are construct needed @@ -165,19 +53,19 @@ type MPPGather struct { respIter distsql.SelectResult } -func (e *MPPGather) constructMPPTasksImpl(ctx context.Context, p *planFragment) ([]*mppTask, error) { - if p.tableScan.Table.GetPartitionInfo() == nil { - return e.constructSinglePhysicalTable(ctx, p.tableScan.Table.ID, p.tableScan.Ranges) +func (e *MPPGather) constructMPPTasksImpl(ctx context.Context, p *plannercore.Fragment) ([]*kv.MPPTask, error) { + if p.TableScan.Table.GetPartitionInfo() == nil { + return e.constructSinglePhysicalTable(ctx, p.TableScan.Table.ID, p.TableScan.Ranges) } - tmp, _ := e.is.TableByID(p.tableScan.Table.ID) + tmp, _ := e.is.TableByID(p.TableScan.Table.ID) tbl := tmp.(table.PartitionedTable) - partitions, err := partitionPruning(e.ctx, tbl, p.tableScan.PartitionInfo.PruningConds, p.tableScan.PartitionInfo.PartitionNames, p.tableScan.PartitionInfo.Columns, p.tableScan.PartitionInfo.ColumnNames) + partitions, err := partitionPruning(e.ctx, tbl, p.TableScan.PartitionInfo.PruningConds, p.TableScan.PartitionInfo.PartitionNames, p.TableScan.PartitionInfo.Columns, p.TableScan.PartitionInfo.ColumnNames) if err != nil { return nil, errors.Trace(err) } - allTasks := make([]*mppTask, 0) + allTasks := make([]*kv.MPPTask, 0) for _, part := range partitions { - partTasks, err := e.constructSinglePhysicalTable(ctx, part.GetPhysicalID(), p.tableScan.Ranges) + partTasks, err := e.constructSinglePhysicalTable(ctx, part.GetPhysicalID(), p.TableScan.Ranges) if err != nil { return nil, errors.Trace(err) } @@ -186,58 +74,28 @@ func (e *MPPGather) constructMPPTasksImpl(ctx context.Context, p *planFragment) return allTasks, nil } -func (e *MPPGather) constructSinglePhysicalTable(ctx context.Context, tableID int64, ranges []*ranger.Range) ([]*mppTask, error) { +// single physical table means a table without partitions or a single partition in a partition table. +func (e *MPPGather) constructSinglePhysicalTable(ctx context.Context, tableID int64, ranges []*ranger.Range) ([]*kv.MPPTask, error) { kvRanges := distsql.TableRangesToKVRanges(tableID, ranges, nil) req := &kv.MPPBuildTasksRequest{KeyRanges: kvRanges} - stores, err := e.ctx.GetMPPClient().ConstructMPPTasks(ctx, req) + metas, err := e.ctx.GetMPPClient().ConstructMPPTasks(ctx, req) if err != nil { return nil, errors.Trace(err) } - tasks := make([]*mppTask, 0, len(stores)) - for _, store := range stores { + tasks := make([]*kv.MPPTask, 0, len(metas)) + for _, meta := range metas { e.allocTaskID++ - tasks = append(tasks, &mppTask{taskInfo: store, id: e.allocTaskID, startTs: e.startTS, tableID: tableID}) + tasks = append(tasks, &kv.MPPTask{Meta: meta, ID: e.allocTaskID, StartTs: e.startTS, TableID: tableID}) } return tasks, nil } -func getPlanFragments(ctx sessionctx.Context, p plannercore.PhysicalPlan, pf *planFragment) { - switch x := p.(type) { - case *plannercore.PhysicalTableScan: - x.IsGlobalRead = false - pf.tableScan = x - case *plannercore.PhysicalBroadCastJoin: - // This is a pipeline breaker. So we replace broadcast side with a exchangerClient - bcChild := x.Children()[x.InnerChildIdx] - exchangeSender := &ExchangeSender{exchangeType: tipb.ExchangeType_Broadcast} - exchangeSender.InitBasePlan(ctx, plancodec.TypeExchangeSender) - npf := &planFragment{p: bcChild, exchangeSender: exchangeSender} - exchangeSender.SetChildren(npf.p) - - exchangeReceivers := &ExchangeReceiver{ - childPf: npf, - schema: bcChild.Schema(), - } - exchangeReceivers.InitBasePlan(ctx, plancodec.TypeExchangeReceiver) - x.Children()[x.InnerChildIdx] = exchangeReceivers - pf.exchangeReceivers = append(pf.exchangeReceivers, exchangeReceivers) - - // For the inner side of join, we use a new plan fragment. - getPlanFragments(ctx, bcChild, npf) - getPlanFragments(ctx, x.Children()[1-x.InnerChildIdx], pf) - default: - if len(x.Children()) > 0 { - getPlanFragments(ctx, x.Children()[0], pf) - } - } -} - -func (e *MPPGather) appendMPPDispatchReq(pf *planFragment, tasks []*mppTask, isRoot bool) error { - dagReq, _, err := constructDAGReq(e.ctx, []plannercore.PhysicalPlan{pf.exchangeSender}, kv.TiFlash) +func (e *MPPGather) appendMPPDispatchReq(pf *plannercore.Fragment, tasks []*kv.MPPTask, isRoot bool) error { + dagReq, _, err := constructDAGReq(e.ctx, []plannercore.PhysicalPlan{pf.ExchangeSender}, kv.TiFlash) if err != nil { return errors.Trace(err) } - for i := range pf.p.Schema().Columns { + for i := range pf.Schema().Columns { dagReq.OutputOffsets = append(dagReq.OutputOffsets, uint32(i)) } if !isRoot { @@ -246,7 +104,7 @@ func (e *MPPGather) appendMPPDispatchReq(pf *planFragment, tasks []*mppTask, isR dagReq.EncodeType = tipb.EncodeType_TypeChunk } for _, mppTask := range tasks { - err := updateExecutorTableID(context.Background(), dagReq.RootExecutor, mppTask.tableID, true) + err := updateExecutorTableID(context.Background(), dagReq.RootExecutor, mppTask.TableID, true) if err != nil { return errors.Trace(err) } @@ -256,8 +114,8 @@ func (e *MPPGather) appendMPPDispatchReq(pf *planFragment, tasks []*mppTask, isR } req := &kv.MPPDispatchRequest{ Data: pbData, - Task: mppTask.taskInfo, - ID: mppTask.id, + Meta: mppTask.Meta, + ID: mppTask.ID, IsRoot: isRoot, Timeout: 10, SchemaVar: e.is.SchemaMetaVersion(), @@ -268,15 +126,15 @@ func (e *MPPGather) appendMPPDispatchReq(pf *planFragment, tasks []*mppTask, isR return nil } -func (e *MPPGather) constructMPPTasks(ctx context.Context, pf *planFragment, isRoot bool) ([]*mppTask, error) { +func (e *MPPGather) constructMPPTasks(ctx context.Context, pf *plannercore.Fragment, isRoot bool) ([]*kv.MPPTask, error) { tasks, err := e.constructMPPTasksImpl(ctx, pf) if err != nil { return nil, errors.Trace(err) } - for _, client := range pf.exchangeReceivers { - client.childPf.exchangeSender.tasks = tasks - client.tasks, err = e.constructMPPTasks(ctx, client.childPf, false) + for _, client := range pf.ExchangeReceivers { + client.ChildPf.ExchangeSender.Tasks = tasks + client.Tasks, err = e.constructMPPTasks(ctx, client.ChildPf, false) if err != nil { return nil, errors.Trace(err) } @@ -292,18 +150,8 @@ func (e *MPPGather) constructMPPTasks(ctx context.Context, pf *planFragment, isR // Then dispatch tasks to tiflash stores. If any task fails, it would cancel the rest tasks. // TODO: We should retry when the request fails for pure rpc error. func (e *MPPGather) Open(ctx context.Context) error { - tidbTask := &mppTask{ - startTs: e.startTS, - id: -1, - } - rootPf := &planFragment{ - p: e.originalPlan, - exchangeSender: &ExchangeSender{exchangeType: tipb.ExchangeType_PassThrough, tasks: []*mppTask{tidbTask}}, - } - rootPf.exchangeSender.InitBasePlan(e.ctx, plancodec.TypeExchangeSender) - rootPf.exchangeSender.SetChildren(rootPf.p) - - getPlanFragments(e.ctx, e.originalPlan, rootPf) + // TODO: Move the construct tasks logic to planner, so we can see the explain results. + rootPf := plannercore.GetRootPlanFragments(e.ctx, e.originalPlan, e.startTS) _, err := e.constructMPPTasks(ctx, rootPf, true) if err != nil { return errors.Trace(err) diff --git a/kv/kv.go b/kv/kv.go index e88d13c7e7428..69b0a7e7aaa5d 100644 --- a/kv/kv.go +++ b/kv/kv.go @@ -303,16 +303,6 @@ type ReturnedValue struct { AlreadyLocked bool } -// MPPClient accepts and processes mpp requests. -type MPPClient interface { - // ConstructMPPTasks schedules task for a plan fragment. - // TODO:: This interface will be refined after we support more executors. - ConstructMPPTasks(context.Context, *MPPBuildTasksRequest) ([]MPPTask, error) - - // DispatchMPPTasks dispatches ALL mpp requests at once, and returns an iterator that transfers the data. - DispatchMPPTasks(context.Context, []*MPPDispatchRequest) Response -} - // Client is used to send request to KV layer. type Client interface { // Send sends request to KV layer, returns a Response. @@ -410,31 +400,6 @@ type Request struct { TiDBServerID uint64 } -// MPPTask stands for a min execution unit for mpp. -type MPPTask interface { - // GetAddress indicates which node this task should execute on. - GetAddress() string -} - -// MPPBuildTasksRequest request the stores allocation for a mpp plan fragment. -// However, the request doesn't contain the particular plan, because only key ranges take effect on the location assignment. -type MPPBuildTasksRequest struct { - KeyRanges []KeyRange - StartTS uint64 -} - -// MPPDispatchRequest stands for a dispatching task. -type MPPDispatchRequest struct { - Data []byte // data encodes the dag coprocessor request. - Task MPPTask // mpp store is the location of tiflash store. - IsRoot bool // root task returns data to tidb directly. - Timeout uint64 // If task is assigned but doesn't receive a connect request during timeout, the task should be destroyed. - // SchemaVer is for any schema-ful storage (like tiflash) to validate schema correctness if necessary. - SchemaVar int64 - StartTs uint64 - ID int64 // identify a single task -} - // ResultSubset represents a result subset from a single storage unit. // TODO: Find a better interface for ResultSubset that can reuse bytes. type ResultSubset interface { diff --git a/kv/mpp.go b/kv/mpp.go new file mode 100644 index 0000000000000..f275346e2d477 --- /dev/null +++ b/kv/mpp.go @@ -0,0 +1,75 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package kv + +import ( + "context" + + "github.com/pingcap/kvproto/pkg/mpp" +) + +// MPPTaskMeta means the meta info such as location of a mpp task. +type MPPTaskMeta interface { + // GetAddress indicates which node this task should execute on. + GetAddress() string +} + +// MPPTask means the minimum execution unit of a mpp computation job. +type MPPTask struct { + Meta MPPTaskMeta // on which store this task will execute + ID int64 // mppTaskID + StartTs uint64 + TableID int64 // physical table id +} + +// ToPB generates the pb structure. +func (t *MPPTask) ToPB() *mpp.TaskMeta { + meta := &mpp.TaskMeta{ + StartTs: t.StartTs, + TaskId: t.ID, + } + if t.ID != -1 { + meta.Address = t.Meta.GetAddress() + } + return meta +} + +// MPPDispatchRequest stands for a dispatching task. +type MPPDispatchRequest struct { + Data []byte // data encodes the dag coprocessor request. + Meta MPPTaskMeta // mpp store is the location of tiflash store. + IsRoot bool // root task returns data to tidb directly. + Timeout uint64 // If task is assigned but doesn't receive a connect request during timeout, the task should be destroyed. + // SchemaVer is for any schema-ful storage (like tiflash) to validate schema correctness if necessary. + SchemaVar int64 + StartTs uint64 + ID int64 // identify a single task +} + +// MPPClient accepts and processes mpp requests. +type MPPClient interface { + // ConstructMPPTasks schedules task for a plan fragment. + // TODO:: This interface will be refined after we support more executors. + ConstructMPPTasks(context.Context, *MPPBuildTasksRequest) ([]MPPTaskMeta, error) + + // DispatchMPPTasks dispatches ALL mpp requests at once, and returns an iterator that transfers the data. + DispatchMPPTasks(context.Context, []*MPPDispatchRequest) Response +} + +// MPPBuildTasksRequest request the stores allocation for a mpp plan fragment. +// However, the request doesn't contain the particular plan, because only key ranges take effect on the location assignment. +type MPPBuildTasksRequest struct { + KeyRanges []KeyRange + StartTS uint64 +} diff --git a/planner/cascades/enforcer_rules.go b/planner/cascades/enforcer_rules.go index 183169ffa3913..5d80845769c5e 100644 --- a/planner/cascades/enforcer_rules.go +++ b/planner/cascades/enforcer_rules.go @@ -63,9 +63,9 @@ func (e *OrderEnforcer) NewProperty(prop *property.PhysicalProperty) (newProp *p func (e *OrderEnforcer) OnEnforce(reqProp *property.PhysicalProperty, child memo.Implementation) (impl memo.Implementation) { childPlan := child.GetPlan() sort := plannercore.PhysicalSort{ - ByItems: make([]*util.ByItems, 0, len(reqProp.Items)), + ByItems: make([]*util.ByItems, 0, len(reqProp.SortItems)), }.Init(childPlan.SCtx(), childPlan.Stats(), childPlan.SelectBlockOffset(), &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64}) - for _, item := range reqProp.Items { + for _, item := range reqProp.SortItems { item := &util.ByItems{ Expr: item.Col, Desc: item.Desc, diff --git a/planner/cascades/enforcer_rules_test.go b/planner/cascades/enforcer_rules_test.go index 94cc96bd31991..adfdba887b51d 100644 --- a/planner/cascades/enforcer_rules_test.go +++ b/planner/cascades/enforcer_rules_test.go @@ -26,7 +26,7 @@ func (s *testCascadesSuite) TestGetEnforcerRules(c *C) { enforcers := GetEnforcerRules(group, prop) c.Assert(enforcers, IsNil) col := &expression.Column{} - prop.Items = append(prop.Items, property.Item{Col: col}) + prop.SortItems = append(prop.SortItems, property.SortItem{Col: col}) enforcers = GetEnforcerRules(group, prop) c.Assert(enforcers, NotNil) c.Assert(len(enforcers), Equals, 1) @@ -38,9 +38,9 @@ func (s *testCascadesSuite) TestNewProperties(c *C) { prop := &property.PhysicalProperty{} col := &expression.Column{} group := memo.NewGroupWithSchema(nil, expression.NewSchema()) - prop.Items = append(prop.Items, property.Item{Col: col}) + prop.SortItems = append(prop.SortItems, property.SortItem{Col: col}) enforcers := GetEnforcerRules(group, prop) orderEnforcer, _ := enforcers[0].(*OrderEnforcer) newProp := orderEnforcer.NewProperty(prop) - c.Assert(newProp.Items, IsNil) + c.Assert(newProp.SortItems, IsNil) } diff --git a/planner/cascades/implementation_rules.go b/planner/cascades/implementation_rules.go index 7596af0eea9fd..0327474cab431 100644 --- a/planner/cascades/implementation_rules.go +++ b/planner/cascades/implementation_rules.go @@ -194,7 +194,7 @@ type ImplTableScan struct { // Match implements ImplementationRule Match interface. func (r *ImplTableScan) Match(expr *memo.GroupExpr, prop *property.PhysicalProperty) (matched bool) { ts := expr.ExprNode.(*plannercore.LogicalTableScan) - return prop.IsEmpty() || (len(prop.Items) == 1 && ts.HandleCols != nil && prop.Items[0].Col.Equal(nil, ts.HandleCols.GetCol(0))) + return prop.IsEmpty() || (len(prop.SortItems) == 1 && ts.HandleCols != nil && prop.SortItems[0].Col.Equal(nil, ts.HandleCols.GetCol(0))) } // OnImplement implements ImplementationRule OnImplement interface. @@ -204,7 +204,7 @@ func (r *ImplTableScan) OnImplement(expr *memo.GroupExpr, reqProp *property.Phys ts := logicalScan.GetPhysicalScan(logicProp.Schema, logicProp.Stats.ScaleByExpectCnt(reqProp.ExpectedCnt)) if !reqProp.IsEmpty() { ts.KeepOrder = true - ts.Desc = reqProp.Items[0].Desc + ts.Desc = reqProp.SortItems[0].Desc } tblCols, tblColHists := logicalScan.Source.TblCols, logicalScan.Source.TblColHists return []memo.Implementation{impl.NewTableScanImpl(ts, tblCols, tblColHists)}, nil @@ -226,7 +226,7 @@ func (r *ImplIndexScan) OnImplement(expr *memo.GroupExpr, reqProp *property.Phys is := logicalScan.GetPhysicalIndexScan(expr.Group.Prop.Schema, expr.Group.Prop.Stats.ScaleByExpectCnt(reqProp.ExpectedCnt)) if !reqProp.IsEmpty() { is.KeepOrder = true - if reqProp.Items[0].Desc { + if reqProp.SortItems[0].Desc { is.Desc = true } } @@ -414,10 +414,10 @@ func (r *ImplTopNAsLimit) Match(expr *memo.GroupExpr, prop *property.PhysicalPro func (r *ImplTopNAsLimit) OnImplement(expr *memo.GroupExpr, reqProp *property.PhysicalProperty) ([]memo.Implementation, error) { lt := expr.ExprNode.(*plannercore.LogicalTopN) newProp := &property.PhysicalProperty{ExpectedCnt: float64(lt.Count + lt.Offset)} - newProp.Items = make([]property.Item, len(lt.ByItems)) + newProp.SortItems = make([]property.SortItem, len(lt.ByItems)) for i, item := range lt.ByItems { - newProp.Items[i].Col = item.Expr.(*expression.Column) - newProp.Items[i].Desc = item.Desc + newProp.SortItems[i].Col = item.Expr.(*expression.Column) + newProp.SortItems[i].Desc = item.Desc } physicalLimit := plannercore.PhysicalLimit{ Offset: lt.Offset, @@ -563,7 +563,7 @@ func (r *ImplApply) OnImplement(expr *memo.GroupExpr, reqProp *property.Physical la.SCtx(), expr.Group.Prop.Stats.ScaleByExpectCnt(reqProp.ExpectedCnt), la.SelectBlockOffset(), - &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64, Items: reqProp.Items}, + &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64, SortItems: reqProp.SortItems}, &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64}) physicalApply.SetSchema(expr.Group.Prop.Schema) return []memo.Implementation{impl.NewApplyImpl(physicalApply)}, nil @@ -596,17 +596,17 @@ type ImplWindow struct { // Match implements ImplementationRule Match interface. func (w *ImplWindow) Match(expr *memo.GroupExpr, prop *property.PhysicalProperty) (matched bool) { lw := expr.ExprNode.(*plannercore.LogicalWindow) - var byItems []property.Item + var byItems []property.SortItem byItems = append(byItems, lw.PartitionBy...) byItems = append(byItems, lw.OrderBy...) - childProperty := &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64, Items: byItems} + childProperty := &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64, SortItems: byItems} return prop.IsPrefix(childProperty) } // OnImplement implements ImplementationRule OnImplement interface. func (w *ImplWindow) OnImplement(expr *memo.GroupExpr, reqProp *property.PhysicalProperty) ([]memo.Implementation, error) { lw := expr.ExprNode.(*plannercore.LogicalWindow) - var byItems []property.Item + var byItems []property.SortItem byItems = append(byItems, lw.PartitionBy...) byItems = append(byItems, lw.OrderBy...) physicalWindow := plannercore.PhysicalWindow{ @@ -618,7 +618,7 @@ func (w *ImplWindow) OnImplement(expr *memo.GroupExpr, reqProp *property.Physica lw.SCtx(), expr.Group.Prop.Stats.ScaleByExpectCnt(reqProp.ExpectedCnt), lw.SelectBlockOffset(), - &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64, Items: byItems}, + &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64, SortItems: byItems}, ) physicalWindow.SetSchema(expr.Group.Prop.Schema) return []memo.Implementation{impl.NewWindowImpl(physicalWindow)}, nil diff --git a/planner/cascades/optimize.go b/planner/cascades/optimize.go index b407eef9ac788..8e9ea74dba72d 100644 --- a/planner/cascades/optimize.go +++ b/planner/cascades/optimize.go @@ -366,7 +366,7 @@ func preparePossibleProperties(g *memo.Group, propertyMap map[*memo.Group][][]*e exprProperties := expr.ExprNode.PreparePossibleProperties(expr.Schema(), childrenProperties...) for _, newPropCols := range exprProperties { // Check if the prop has already been in `groupPropertyMap`. - newProp := property.PhysicalProperty{Items: property.ItemsFromCols(newPropCols, true)} + newProp := property.PhysicalProperty{SortItems: property.SortItemsFromCols(newPropCols, true)} key := newProp.HashCode() if _, ok := groupPropertyMap[string(key)]; !ok { groupPropertyMap[string(key)] = newPropCols diff --git a/planner/core/exhaust_physical_plans.go b/planner/core/exhaust_physical_plans.go index a57c9cdc8bb0d..5ec9032b9968a 100644 --- a/planner/core/exhaust_physical_plans.go +++ b/planner/core/exhaust_physical_plans.go @@ -41,7 +41,7 @@ import ( ) func (p *LogicalUnionScan) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([]PhysicalPlan, bool) { - if prop.IsFlashOnlyProp() { + if prop.IsFlashProp() { return nil, true } childProp := prop.Clone() @@ -266,7 +266,7 @@ func (p *LogicalJoin) getEnforcedMergeJoin(prop *property.PhysicalProperty, sche if !all { return nil } - for _, item := range prop.Items { + for _, item := range prop.SortItems { isExist := false for joinKeyPos := 0; joinKeyPos < len(leftJoinKeys); joinKeyPos++ { var key *expression.Column @@ -417,7 +417,7 @@ func (p *LogicalJoin) constructIndexJoin( return nil } chReqProps := make([]*property.PhysicalProperty, 2) - chReqProps[outerIdx] = &property.PhysicalProperty{TaskTp: property.RootTaskType, ExpectedCnt: math.MaxFloat64, Items: prop.Items} + chReqProps[outerIdx] = &property.PhysicalProperty{TaskTp: property.RootTaskType, ExpectedCnt: math.MaxFloat64, SortItems: prop.SortItems} if prop.ExpectedCnt < p.stats.RowCount { expCntScale := prop.ExpectedCnt / p.stats.RowCount chReqProps[outerIdx].ExpectedCnt = p.children[outerIdx].statsInfo().RowCount * expCntScale @@ -512,21 +512,21 @@ func (p *LogicalJoin) constructIndexMergeJoin( continue } // isOuterKeysPrefix means whether the outer join keys are the prefix of the prop items. - isOuterKeysPrefix := len(join.OuterJoinKeys) <= len(prop.Items) + isOuterKeysPrefix := len(join.OuterJoinKeys) <= len(prop.SortItems) compareFuncs := make([]expression.CompareFunc, 0, len(join.OuterJoinKeys)) outerCompareFuncs := make([]expression.CompareFunc, 0, len(join.OuterJoinKeys)) for i := range join.KeyOff2IdxOff { - if isOuterKeysPrefix && !prop.Items[i].Col.Equal(nil, join.OuterJoinKeys[keyOff2KeyOffOrderByIdx[i]]) { + if isOuterKeysPrefix && !prop.SortItems[i].Col.Equal(nil, join.OuterJoinKeys[keyOff2KeyOffOrderByIdx[i]]) { isOuterKeysPrefix = false } compareFuncs = append(compareFuncs, expression.GetCmpFunction(p.ctx, join.OuterJoinKeys[i], join.InnerJoinKeys[i])) outerCompareFuncs = append(outerCompareFuncs, expression.GetCmpFunction(p.ctx, join.OuterJoinKeys[i], join.OuterJoinKeys[i])) } // canKeepOuterOrder means whether the prop items are the prefix of the outer join keys. - canKeepOuterOrder := len(prop.Items) <= len(join.OuterJoinKeys) - for i := 0; canKeepOuterOrder && i < len(prop.Items); i++ { - if !prop.Items[i].Col.Equal(nil, join.OuterJoinKeys[keyOff2KeyOffOrderByIdx[i]]) { + canKeepOuterOrder := len(prop.SortItems) <= len(join.OuterJoinKeys) + for i := 0; canKeepOuterOrder && i < len(prop.SortItems); i++ { + if !prop.SortItems[i].Col.Equal(nil, join.OuterJoinKeys[keyOff2KeyOffOrderByIdx[i]]) { canKeepOuterOrder = false } } @@ -540,7 +540,7 @@ func (p *LogicalJoin) constructIndexMergeJoin( NeedOuterSort: !isOuterKeysPrefix, CompareFuncs: compareFuncs, OuterCompareFuncs: outerCompareFuncs, - Desc: !prop.IsEmpty() && prop.Items[0].Desc, + Desc: !prop.IsEmpty() && prop.SortItems[0].Desc, }.Init(p.ctx) indexMergeJoins = append(indexMergeJoins, indexMergeJoin) } @@ -687,7 +687,7 @@ func (p *LogicalJoin) buildIndexJoinInner2TableScan( // Because we can't keep order for union scan, if there is a union scan in inner task, // we can't construct index merge join. if us == nil { - innerTask2 = p.constructInnerTableScanTask(ds, nil, outerJoinKeys, us, true, !prop.IsEmpty() && prop.Items[0].Desc, avgInnerRowCnt) + innerTask2 = p.constructInnerTableScanTask(ds, nil, outerJoinKeys, us, true, !prop.IsEmpty() && prop.SortItems[0].Desc, avgInnerRowCnt) } ranges = helper.chosenRanges } else { @@ -716,7 +716,7 @@ func (p *LogicalJoin) buildIndexJoinInner2TableScan( // Because we can't keep order for union scan, if there is a union scan in inner task, // we can't construct index merge join. if us == nil { - innerTask2 = p.constructInnerTableScanTask(ds, pkCol, outerJoinKeys, us, true, !prop.IsEmpty() && prop.Items[0].Desc, avgInnerRowCnt) + innerTask2 = p.constructInnerTableScanTask(ds, pkCol, outerJoinKeys, us, true, !prop.IsEmpty() && prop.SortItems[0].Desc, avgInnerRowCnt) } } joins = make([]PhysicalPlan, 0, 3) @@ -769,7 +769,7 @@ func (p *LogicalJoin) buildIndexJoinInner2IndexScan( // Because we can't keep order for union scan, if there is a union scan in inner task, // we can't construct index merge join. if us == nil { - innerTask2 := p.constructInnerIndexScanTask(ds, helper.chosenPath, helper.chosenRemained, outerJoinKeys, us, rangeInfo, true, !prop.IsEmpty() && prop.Items[0].Desc, avgInnerRowCnt, maxOneRow) + innerTask2 := p.constructInnerIndexScanTask(ds, helper.chosenPath, helper.chosenRemained, outerJoinKeys, us, rangeInfo, true, !prop.IsEmpty() && prop.SortItems[0].Desc, avgInnerRowCnt, maxOneRow) if innerTask2 != nil { joins = append(joins, p.constructIndexMergeJoin(prop, outerIdx, innerTask2, helper.chosenRanges, keyOff2IdxOff, helper.chosenPath, helper.lastColManager)...) } @@ -1571,7 +1571,7 @@ func (p *LogicalJoin) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([]P } }) - if prop.IsFlashOnlyProp() && ((p.preferJoinType&preferBCJoin) == 0 && p.preferJoinType > 0) { + if prop.IsFlashProp() && ((p.preferJoinType&preferBCJoin) == 0 && p.preferJoinType > 0) { return nil, false } joins := make([]PhysicalPlan, 0, 8) @@ -1582,7 +1582,7 @@ func (p *LogicalJoin) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([]P } joins = append(joins, broadCastJoins...) } - if prop.IsFlashOnlyProp() { + if prop.IsFlashProp() { return joins, true } @@ -1621,7 +1621,7 @@ func (p *LogicalJoin) tryToGetBroadCastJoin(prop *property.PhysicalProperty) []P if !prop.IsEmpty() { return nil } - if prop.TaskTp != property.RootTaskType && !prop.IsFlashOnlyProp() { + if prop.TaskTp != property.RootTaskType && !prop.IsFlashProp() { return nil } @@ -1694,21 +1694,21 @@ func (p *LogicalJoin) tryToGetBroadCastJoinByPreferGlobalIdx(prop *property.Phys // When a sort column will be replaced by scalar function, we refuse it. // When a sort column will be replaced by a constant, we just remove it. func (p *LogicalProjection) TryToGetChildProp(prop *property.PhysicalProperty) (*property.PhysicalProperty, bool) { - if prop.IsFlashOnlyProp() { + if prop.IsFlashProp() { return nil, false } newProp := &property.PhysicalProperty{TaskTp: property.RootTaskType, ExpectedCnt: prop.ExpectedCnt} - newCols := make([]property.Item, 0, len(prop.Items)) - for _, col := range prop.Items { + newCols := make([]property.SortItem, 0, len(prop.SortItems)) + for _, col := range prop.SortItems { idx := p.schema.ColumnIndex(col.Col) switch expr := p.Exprs[idx].(type) { case *expression.Column: - newCols = append(newCols, property.Item{Col: expr, Desc: col.Desc}) + newCols = append(newCols, property.SortItem{Col: expr, Desc: col.Desc}) case *expression.ScalarFunction: return nil, false } } - newProp.Items = newCols + newProp.SortItems = newCols return newProp, true } @@ -1783,7 +1783,7 @@ func (lt *LogicalTopN) getPhysLimits(prop *property.PhysicalProperty) []Physical } ret := make([]PhysicalPlan, 0, len(allTaskTypes)) for _, tp := range allTaskTypes { - resultProp := &property.PhysicalProperty{TaskTp: tp, ExpectedCnt: float64(lt.Count + lt.Offset), Items: p.Items} + resultProp := &property.PhysicalProperty{TaskTp: tp, ExpectedCnt: float64(lt.Count + lt.Offset), SortItems: p.SortItems} limit := PhysicalLimit{ Count: lt.Count, Offset: lt.Offset, @@ -1795,10 +1795,10 @@ func (lt *LogicalTopN) getPhysLimits(prop *property.PhysicalProperty) []Physical // MatchItems checks if this prop's columns can match by items totally. func MatchItems(p *property.PhysicalProperty, items []*util.ByItems) bool { - if len(items) < len(p.Items) { + if len(items) < len(p.SortItems) { return false } - for i, col := range p.Items { + for i, col := range p.SortItems { sortItem := items[i] if sortItem.Desc != col.Desc || !sortItem.Expr.Equal(nil, col.Col) { return false @@ -1820,7 +1820,7 @@ func (la *LogicalApply) GetHashJoin(prop *property.PhysicalProperty) *PhysicalHa } func (la *LogicalApply) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([]PhysicalPlan, bool) { - if !prop.AllColsFromSchema(la.children[0].Schema()) || prop.IsFlashOnlyProp() { // for convenient, we don't pass through any prop + if !prop.AllColsFromSchema(la.children[0].Schema()) || prop.IsFlashProp() { // for convenient, we don't pass through any prop return nil, true } join := la.GetHashJoin(prop) @@ -1850,20 +1850,20 @@ func (la *LogicalApply) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([ }.Init(la.ctx, la.stats.ScaleByExpectCnt(prop.ExpectedCnt), la.blockOffset, - &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64, Items: prop.Items}, + &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64, SortItems: prop.SortItems}, &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64}) apply.SetSchema(la.schema) return []PhysicalPlan{apply}, true } func (p *LogicalWindow) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([]PhysicalPlan, bool) { - if prop.IsFlashOnlyProp() { + if prop.IsFlashProp() { return nil, true } - var byItems []property.Item + var byItems []property.SortItem byItems = append(byItems, p.PartitionBy...) byItems = append(byItems, p.OrderBy...) - childProperty := &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64, Items: byItems, Enforced: true} + childProperty := &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64, SortItems: byItems, Enforced: true} if !prop.IsPrefix(childProperty) { return nil, true } @@ -1893,7 +1893,7 @@ func (la *LogicalAggregation) canPushToCop() bool { } func (la *LogicalAggregation) getEnforcedStreamAggs(prop *property.PhysicalProperty) []PhysicalPlan { - if prop.IsFlashOnlyProp() { + if prop.IsFlashProp() { return nil } _, desc := prop.AllSameOrder() @@ -1902,7 +1902,7 @@ func (la *LogicalAggregation) getEnforcedStreamAggs(prop *property.PhysicalPrope childProp := &property.PhysicalProperty{ ExpectedCnt: math.Max(prop.ExpectedCnt*la.inputCount/la.stats.RowCount, prop.ExpectedCnt), Enforced: true, - Items: property.ItemsFromCols(la.GetGroupByCols(), desc), + SortItems: property.SortItemsFromCols(la.GetGroupByCols(), desc), } if !prop.IsPrefix(childProp) { return enforcedAggs @@ -1947,7 +1947,7 @@ func (la *LogicalAggregation) distinctArgsMeetsProperty() bool { func (la *LogicalAggregation) getStreamAggs(prop *property.PhysicalProperty) []PhysicalPlan { // TODO: support CopTiFlash task type in stream agg - if prop.IsFlashOnlyProp() { + if prop.IsFlashProp() { return nil } all, desc := prop.AllSameOrder() @@ -1973,7 +1973,7 @@ func (la *LogicalAggregation) getStreamAggs(prop *property.PhysicalProperty) []P } for _, possibleChildProperty := range la.possibleProperties { - childProp.Items = property.ItemsFromCols(possibleChildProperty[:len(groupByCols)], desc) + childProp.SortItems = property.SortItemsFromCols(possibleChildProperty[:len(groupByCols)], desc) if !prop.IsPrefix(childProp) { continue } @@ -2032,7 +2032,7 @@ func (la *LogicalAggregation) getHashAggs(prop *property.PhysicalProperty) []Phy } else if !la.aggHints.preferAggToCop { taskTypes = append(taskTypes, property.RootTaskType) } - if prop.IsFlashOnlyProp() { + if prop.IsFlashProp() { taskTypes = []property.TaskType{prop.TaskTp} } for _, taskTp := range taskTypes { @@ -2141,7 +2141,7 @@ func (p *LogicalLimit) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([] } func (p *LogicalLock) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([]PhysicalPlan, bool) { - if prop.IsFlashOnlyProp() { + if prop.IsFlashProp() { return nil, true } childProp := prop.Clone() @@ -2155,7 +2155,7 @@ func (p *LogicalLock) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([]P func (p *LogicalUnionAll) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([]PhysicalPlan, bool) { // TODO: UnionAll can not pass any order, but we can change it to sort merge to keep order. - if !prop.IsEmpty() || prop.IsFlashOnlyProp() { + if !prop.IsEmpty() || prop.IsFlashProp() { return nil, true } chReqProps := make([]*property.PhysicalProperty, 0, len(p.children)) @@ -2205,7 +2205,7 @@ func (ls *LogicalSort) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([] } func (p *LogicalMaxOneRow) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([]PhysicalPlan, bool) { - if !prop.IsEmpty() || prop.IsFlashOnlyProp() { + if !prop.IsEmpty() || prop.IsFlashProp() { return nil, true } mor := PhysicalMaxOneRow{}.Init(p.ctx, p.stats, p.blockOffset, &property.PhysicalProperty{ExpectedCnt: 2}) diff --git a/planner/core/find_best_task.go b/planner/core/find_best_task.go index e23666ffa8523..4e72a177d2ec8 100644 --- a/planner/core/find_best_task.go +++ b/planner/core/find_best_task.go @@ -98,38 +98,38 @@ var invalidTask = &rootTask{cst: math.MaxFloat64} // GetPropByOrderByItems will check if this sort property can be pushed or not. In order to simplify the problem, we only // consider the case that all expression are columns. func GetPropByOrderByItems(items []*util.ByItems) (*property.PhysicalProperty, bool) { - propItems := make([]property.Item, 0, len(items)) + propItems := make([]property.SortItem, 0, len(items)) for _, item := range items { col, ok := item.Expr.(*expression.Column) if !ok { return nil, false } - propItems = append(propItems, property.Item{Col: col, Desc: item.Desc}) + propItems = append(propItems, property.SortItem{Col: col, Desc: item.Desc}) } - return &property.PhysicalProperty{Items: propItems}, true + return &property.PhysicalProperty{SortItems: propItems}, true } // GetPropByOrderByItemsContainScalarFunc will check if this sort property can be pushed or not. In order to simplify the // problem, we only consider the case that all expression are columns or some special scalar functions. func GetPropByOrderByItemsContainScalarFunc(items []*util.ByItems) (*property.PhysicalProperty, bool, bool) { - propItems := make([]property.Item, 0, len(items)) + propItems := make([]property.SortItem, 0, len(items)) onlyColumn := true for _, item := range items { switch expr := item.Expr.(type) { case *expression.Column: - propItems = append(propItems, property.Item{Col: expr, Desc: item.Desc}) + propItems = append(propItems, property.SortItem{Col: expr, Desc: item.Desc}) case *expression.ScalarFunction: col, desc := expr.GetSingleColumn(item.Desc) if col == nil { return nil, false, false } - propItems = append(propItems, property.Item{Col: col, Desc: desc}) + propItems = append(propItems, property.SortItem{Col: col, Desc: desc}) onlyColumn = false default: return nil, false, false } } - return &property.PhysicalProperty{Items: propItems}, true, onlyColumn + return &property.PhysicalProperty{SortItems: propItems}, true, onlyColumn } func (p *LogicalTableDual) findBestTask(prop *property.PhysicalProperty, planCounter *PlanCounterTp) (task, int64, error) { @@ -243,7 +243,7 @@ func (p *baseLogicalPlan) enumeratePhysicalPlans4Task(physicalPlans []PhysicalPl // Combine best child tasks with parent physical plan. curTask := pp.attach2Task(childTasks...) - if prop.IsFlashOnlyProp() { + if prop.IsFlashProp() { if _, ok := curTask.(*copTask); !ok { continue } @@ -318,7 +318,7 @@ func (p *baseLogicalPlan) findBestTask(prop *property.PhysicalProperty, planCoun if newProp.Enforced { // Then, we use the empty property to get physicalPlans and // try to get the task with an enforced sort. - newProp.Items = []property.Item{} + newProp.SortItems = []property.SortItem{} newProp.ExpectedCnt = math.MaxFloat64 var hintCanWork bool plansNeedEnforce, hintCanWork = p.self.exhaustPhysicalPlans(newProp) @@ -333,7 +333,7 @@ func (p *baseLogicalPlan) findBestTask(prop *property.PhysicalProperty, planCoun // work anyway, we give up `plansNeedEnforce` for efficiency, plansNeedEnforce = nil } - newProp.Items = prop.Items + newProp.SortItems = prop.SortItems newProp.ExpectedCnt = prop.ExpectedCnt } @@ -468,10 +468,10 @@ func (ds *DataSource) getTableCandidate(path *util.AccessPath, prop *property.Ph candidate := &candidatePath{path: path} if path.IsIntHandlePath { pkCol := ds.getPKIsHandleCol() - if len(prop.Items) == 1 && pkCol != nil { - candidate.isMatchProp = prop.Items[0].Col.Equal(nil, pkCol) + if len(prop.SortItems) == 1 && pkCol != nil { + candidate.isMatchProp = prop.SortItems[0].Col.Equal(nil, pkCol) if path.StoreType == kv.TiFlash { - candidate.isMatchProp = candidate.isMatchProp && !prop.Items[0].Desc + candidate.isMatchProp = candidate.isMatchProp && !prop.SortItems[0].Desc } } } else { @@ -480,8 +480,8 @@ func (ds *DataSource) getTableCandidate(path *util.AccessPath, prop *property.Ph // it needs not to keep order for index scan. if !prop.IsEmpty() && all { for i, col := range path.IdxCols { - if col.Equal(nil, prop.Items[0].Col) { - candidate.isMatchProp = matchIndicesProp(path.IdxCols[i:], path.IdxColLens[i:], prop.Items) + if col.Equal(nil, prop.SortItems[0].Col) { + candidate.isMatchProp = matchIndicesProp(path.IdxCols[i:], path.IdxColLens[i:], prop.SortItems) break } else if i >= path.EqCondCount { break @@ -501,8 +501,8 @@ func (ds *DataSource) getIndexCandidate(path *util.AccessPath, prop *property.Ph // it needs not to keep order for index scan. if !prop.IsEmpty() && all { for i, col := range path.IdxCols { - if col.Equal(nil, prop.Items[0].Col) { - candidate.isMatchProp = matchIndicesProp(path.IdxCols[i:], path.IdxColLens[i:], prop.Items) + if col.Equal(nil, prop.SortItems[0].Col) { + candidate.isMatchProp = matchIndicesProp(path.IdxCols[i:], path.IdxColLens[i:], prop.SortItems) break } else if i >= path.EqCondCount { break @@ -545,7 +545,7 @@ func (ds *DataSource) skylinePruning(prop *property.PhysicalProperty) []*candida currentCandidate = ds.getTableCandidate(path, prop) } } else { - if !path.IsTiFlashGlobalRead && !prop.IsFlashOnlyProp() { + if !path.IsTiFlashGlobalRead && !prop.IsFlashProp() { currentCandidate = ds.getTableCandidate(path, prop) } } @@ -618,7 +618,7 @@ func (ds *DataSource) findBestTask(prop *property.PhysicalProperty, planCounter var cnt int64 // If prop.enforced is true, the prop.cols need to be set nil for ds.findBestTask. // Before function return, reset it for enforcing task prop and storing map. - oldPropCols := prop.Items + oldPropCols := prop.SortItems if prop.Enforced { // First, get the bestTask without enforced prop prop.Enforced = false @@ -633,14 +633,14 @@ func (ds *DataSource) findBestTask(prop *property.PhysicalProperty, planCounter return } // Next, get the bestTask with enforced prop - prop.Items = []property.Item{} + prop.SortItems = []property.SortItem{} } defer func() { if err != nil { return } if prop.Enforced { - prop.Items = oldPropCols + prop.SortItems = oldPropCols t = enforceProperty(prop, t, ds.basePlan.ctx) } ds.storeTask(prop, t) @@ -1170,7 +1170,7 @@ func SplitSelCondsWithVirtualColumn(conds []expression.Expression) ([]expression return conds, filterConds } -func matchIndicesProp(idxCols []*expression.Column, colLens []int, propItems []property.Item) bool { +func matchIndicesProp(idxCols []*expression.Column, colLens []int, propItems []property.SortItem) bool { if len(idxCols) < len(propItems) { return false } @@ -1483,7 +1483,7 @@ func (ds *DataSource) convertToTableScan(prop *property.PhysicalProperty, candid } } ts.addPushedDownSelection(copTask, ds.stats.ScaleByExpectCnt(prop.ExpectedCnt)) - if prop.IsFlashOnlyProp() && len(copTask.rootTaskConds) != 0 { + if prop.IsFlashProp() && len(copTask.rootTaskConds) != 0 { return invalidTask, nil } if prop.TaskTp == property.RootTaskType { @@ -1590,7 +1590,7 @@ func (ds *DataSource) convertToBatchPointGet(prop *property.PhysicalProperty, ca Columns: ds.Columns, }.Init(ds.ctx, ds.tableStats.ScaleByExpectCnt(accessCnt), ds.schema.Clone(), ds.names, ds.blockOffset) if batchPointGetPlan.KeepOrder { - batchPointGetPlan.Desc = prop.Items[0].Desc + batchPointGetPlan.Desc = prop.SortItems[0].Desc } rTsk := &rootTask{p: batchPointGetPlan} var cost float64 @@ -1618,7 +1618,7 @@ func (ds *DataSource) convertToBatchPointGet(prop *property.PhysicalProperty, ca } if !prop.IsEmpty() { batchPointGetPlan.KeepOrder = true - batchPointGetPlan.Desc = prop.Items[0].Desc + batchPointGetPlan.Desc = prop.SortItems[0].Desc } if candidate.isSingleScan { cost = batchPointGetPlan.GetCost(candidate.path.IdxCols) @@ -1681,7 +1681,7 @@ func (ds *DataSource) getOriginalPhysicalTableScan(prop *property.PhysicalProper } rowCount := path.CountAfterAccess if prop.ExpectedCnt < ds.stats.RowCount { - count, ok, corr := ds.crossEstimateTableRowCount(path, prop.ExpectedCnt, isMatchProp && prop.Items[0].Desc) + count, ok, corr := ds.crossEstimateTableRowCount(path, prop.ExpectedCnt, isMatchProp && prop.SortItems[0].Desc) if ok { // TODO: actually, before using this count as the estimated row count of table scan, we need additionally // check if count < row_count(first_region | last_region), and use the larger one since we build one copTask @@ -1717,7 +1717,7 @@ func (ds *DataSource) getOriginalPhysicalTableScan(prop *property.PhysicalProper cost += rowCount * sessVars.NetworkFactor * rowSize } if isMatchProp { - if prop.Items[0].Desc { + if prop.SortItems[0].Desc { ts.Desc = true cost = rowCount * rowSize * sessVars.DescScanFactor } @@ -1755,7 +1755,7 @@ func (ds *DataSource) getOriginalPhysicalIndexScan(prop *property.PhysicalProper rowCount := path.CountAfterAccess is.initSchema(append(path.FullIdxCols, ds.commonHandleCols...), !isSingleScan) if (isMatchProp || prop.IsEmpty()) && prop.ExpectedCnt < ds.stats.RowCount { - count, ok, corr := ds.crossEstimateIndexRowCount(path, prop.ExpectedCnt, isMatchProp && prop.Items[0].Desc) + count, ok, corr := ds.crossEstimateIndexRowCount(path, prop.ExpectedCnt, isMatchProp && prop.SortItems[0].Desc) if ok { rowCount = count } else if abs := math.Abs(corr); abs < 1 { @@ -1769,7 +1769,7 @@ func (ds *DataSource) getOriginalPhysicalIndexScan(prop *property.PhysicalProper sessVars := ds.ctx.GetSessionVars() cost := rowCount * rowSize * sessVars.ScanFactor if isMatchProp { - if prop.Items[0].Desc { + if prop.SortItems[0].Desc { is.Desc = true cost = rowCount * rowSize * sessVars.DescScanFactor } diff --git a/planner/core/find_best_task_test.go b/planner/core/find_best_task_test.go index 0d799c879e890..6ea25bbbe0b04 100644 --- a/planner/core/find_best_task_test.go +++ b/planner/core/find_best_task_test.go @@ -170,13 +170,13 @@ func (s *testFindBestTaskSuite) TestEnforcedProperty(c *C) { col1 := &expression.Column{UniqueID: 2} // Use different order, so that mockLogicalPlan cannot generate any of the // physical plans. - item0 := property.Item{Col: col0, Desc: false} - item1 := property.Item{Col: col1, Desc: true} - items := []property.Item{item0, item1} + item0 := property.SortItem{Col: col0, Desc: false} + item1 := property.SortItem{Col: col1, Desc: true} + items := []property.SortItem{item0, item1} prop0 := &property.PhysicalProperty{ - Items: items, - Enforced: false, + SortItems: items, + Enforced: false, } // should return invalid task because no physical plan can match this property. task, _, err := mockPlan.findBestTask(prop0, &PlanCounterDisabled) @@ -184,8 +184,8 @@ func (s *testFindBestTaskSuite) TestEnforcedProperty(c *C) { c.Assert(task.invalid(), IsTrue) prop1 := &property.PhysicalProperty{ - Items: items, - Enforced: true, + SortItems: items, + Enforced: true, } // should return the valid task when the property is enforced. task, _, err = mockPlan.findBestTask(prop1, &PlanCounterDisabled) @@ -204,12 +204,12 @@ func (s *testFindBestTaskSuite) TestHintCannotFitProperty(c *C) { mockPlan0.SetChildren(mockDS) col0 := &expression.Column{UniqueID: 1} - item0 := property.Item{Col: col0} - items := []property.Item{item0} + item0 := property.SortItem{Col: col0} + items := []property.SortItem{item0} // case 1, The property is not empty and enforced, should enforce a sort. prop0 := &property.PhysicalProperty{ - Items: items, - Enforced: true, + SortItems: items, + Enforced: true, } task, _, err := mockPlan0.findBestTask(prop0, &PlanCounterDisabled) c.Assert(err, IsNil) @@ -224,8 +224,8 @@ func (s *testFindBestTaskSuite) TestHintCannotFitProperty(c *C) { // case 2, The property is not empty but not enforced, still need to enforce a sort // to ensure the hint can work prop1 := &property.PhysicalProperty{ - Items: items, - Enforced: false, + SortItems: items, + Enforced: false, } task, _, err = mockPlan0.findBestTask(prop1, &PlanCounterDisabled) c.Assert(err, IsNil) @@ -240,8 +240,8 @@ func (s *testFindBestTaskSuite) TestHintCannotFitProperty(c *C) { // case 3, The hint cannot work even if the property is empty, should return a warning // and generate physicalPlan1. prop2 := &property.PhysicalProperty{ - Items: items, - Enforced: false, + SortItems: items, + Enforced: false, } mockPlan1 := mockLogicalPlan4Test{ hasHintForPlan2: true, @@ -261,8 +261,8 @@ func (s *testFindBestTaskSuite) TestHintCannotFitProperty(c *C) { // the same with case 3. ctx.GetSessionVars().StmtCtx.SetWarnings(nil) prop3 := &property.PhysicalProperty{ - Items: items, - Enforced: true, + SortItems: items, + Enforced: true, } task, _, err = mockPlan1.findBestTask(prop3, &PlanCounterDisabled) c.Assert(err, IsNil) diff --git a/planner/core/fragment.go b/planner/core/fragment.go new file mode 100644 index 0000000000000..fe53b06f222a8 --- /dev/null +++ b/planner/core/fragment.go @@ -0,0 +1,90 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package core + +import ( + "github.com/pingcap/tidb/expression" + "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/util/plancodec" + "github.com/pingcap/tipb/go-tipb" +) + +// Fragment is cut from the whole pushed-down plan by network communication. +// Communication by pfs are always through shuffling / broadcasting / passing through. +type Fragment struct { + p PhysicalPlan + + /// following field are filled during getPlanFragment. + // TODO: Strictly speaking, not all plan fragment contain table scan. we can do this assumption until more plans are supported. + TableScan *PhysicalTableScan // result physical table scan + ExchangeReceivers []*PhysicalExchangeReceiver // data receivers + + // following fields are filled after scheduling. + ExchangeSender *PhysicalExchangeSender // data exporter +} + +// Schema is the output schema of the current plan fragment. +func (f *Fragment) Schema() *expression.Schema { + return f.p.Schema() +} + +// GetRootPlanFragments will cut and generate all the plan fragments which is divided by network communication. +// Then return the root plan fragment. +func GetRootPlanFragments(ctx sessionctx.Context, p PhysicalPlan, startTS uint64) *Fragment { + tidbTask := &kv.MPPTask{ + StartTs: startTS, + ID: -1, + } + rootPf := &Fragment{ + p: p, + ExchangeSender: &PhysicalExchangeSender{ExchangeType: tipb.ExchangeType_PassThrough, Tasks: []*kv.MPPTask{tidbTask}}, + } + rootPf.ExchangeSender.InitBasePlan(ctx, plancodec.TypeExchangeSender) + rootPf.ExchangeSender.SetChildren(rootPf.p) + getPlanFragments(ctx, p, rootPf) + return rootPf +} + +// getPlanFragment passes the plan and which fragment the plan belongs to, then walk through the plan recursively. +// When we found an edge can be cut, we will add exchange operators and construct new fragment. +func getPlanFragments(ctx sessionctx.Context, p PhysicalPlan, pf *Fragment) { + switch x := p.(type) { + case *PhysicalTableScan: + x.IsGlobalRead = false + pf.TableScan = x + case *PhysicalBroadCastJoin: + // This is a fragment cutter. So we replace broadcast side with a exchangerClient + bcChild := x.Children()[x.InnerChildIdx] + exchangeSender := &PhysicalExchangeSender{ExchangeType: tipb.ExchangeType_Broadcast} + exchangeSender.InitBasePlan(ctx, plancodec.TypeExchangeSender) + npf := &Fragment{p: bcChild, ExchangeSender: exchangeSender} + exchangeSender.SetChildren(npf.p) + + exchangeReceivers := &PhysicalExchangeReceiver{ + ChildPf: npf, + } + exchangeReceivers.InitBasePlan(ctx, plancodec.TypeExchangeReceiver) + x.Children()[x.InnerChildIdx] = exchangeReceivers + pf.ExchangeReceivers = append(pf.ExchangeReceivers, exchangeReceivers) + + // For the inner side of join, we use a new plan fragment. + getPlanFragments(ctx, bcChild, npf) + getPlanFragments(ctx, x.Children()[1-x.InnerChildIdx], pf) + default: + if len(x.Children()) > 0 { + getPlanFragments(ctx, x.Children()[0], pf) + } + } +} diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index fdd1957475dd9..77b8b9281ee66 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -4028,7 +4028,7 @@ func getWindowName(name string) string { // buildProjectionForWindow builds the projection for expressions in the window specification that is not an column, // so after the projection, window functions only needs to deal with columns. -func (b *PlanBuilder) buildProjectionForWindow(ctx context.Context, p LogicalPlan, spec *ast.WindowSpec, args []ast.ExprNode, aggMap map[*ast.AggregateFuncExpr]int) (LogicalPlan, []property.Item, []property.Item, []expression.Expression, error) { +func (b *PlanBuilder) buildProjectionForWindow(ctx context.Context, p LogicalPlan, spec *ast.WindowSpec, args []ast.ExprNode, aggMap map[*ast.AggregateFuncExpr]int) (LogicalPlan, []property.SortItem, []property.SortItem, []expression.Expression, error) { b.optFlag |= flagEliminateProjection var partitionItems, orderItems []*ast.ByItem @@ -4049,7 +4049,7 @@ func (b *PlanBuilder) buildProjectionForWindow(ctx context.Context, p LogicalPla } copy(proj.names, p.OutputNames()) - propertyItems := make([]property.Item, 0, len(partitionItems)+len(orderItems)) + propertyItems := make([]property.SortItem, 0, len(partitionItems)+len(orderItems)) var err error p, propertyItems, err = b.buildByItemsForWindow(ctx, p, proj, partitionItems, propertyItems, aggMap) if err != nil { @@ -4120,9 +4120,9 @@ func (b *PlanBuilder) buildByItemsForWindow( p LogicalPlan, proj *LogicalProjection, items []*ast.ByItem, - retItems []property.Item, + retItems []property.SortItem, aggMap map[*ast.AggregateFuncExpr]int, -) (LogicalPlan, []property.Item, error) { +) (LogicalPlan, []property.SortItem, error) { transformer := &itemTransformer{} for _, item := range items { newExpr, _ := item.Expr.Accept(transformer) @@ -4136,7 +4136,7 @@ func (b *PlanBuilder) buildByItemsForWindow( continue } if col, ok := it.(*expression.Column); ok { - retItems = append(retItems, property.Item{Col: col, Desc: item.Desc}) + retItems = append(retItems, property.SortItem{Col: col, Desc: item.Desc}) continue } proj.Exprs = append(proj.Exprs, it) @@ -4146,7 +4146,7 @@ func (b *PlanBuilder) buildByItemsForWindow( RetType: it.GetType(), } proj.schema.Append(col) - retItems = append(retItems, property.Item{Col: col, Desc: item.Desc}) + retItems = append(retItems, property.SortItem{Col: col, Desc: item.Desc}) } return p, retItems, nil } @@ -4154,7 +4154,7 @@ func (b *PlanBuilder) buildByItemsForWindow( // buildWindowFunctionFrameBound builds the bounds of window function frames. // For type `Rows`, the bound expr must be an unsigned integer. // For type `Range`, the bound expr must be temporal or numeric types. -func (b *PlanBuilder) buildWindowFunctionFrameBound(ctx context.Context, spec *ast.WindowSpec, orderByItems []property.Item, boundClause *ast.FrameBound) (*FrameBound, error) { +func (b *PlanBuilder) buildWindowFunctionFrameBound(ctx context.Context, spec *ast.WindowSpec, orderByItems []property.SortItem, boundClause *ast.FrameBound) (*FrameBound, error) { frameType := spec.Frame.Type bound := &FrameBound{Type: boundClause.Type, UnBounded: boundClause.UnBounded} if bound.UnBounded { @@ -4264,7 +4264,7 @@ func (pc *paramMarkerInPrepareChecker) Leave(in ast.Node) (out ast.Node, ok bool // buildWindowFunctionFrame builds the window function frames. // See https://dev.mysql.com/doc/refman/8.0/en/window-functions-frames.html -func (b *PlanBuilder) buildWindowFunctionFrame(ctx context.Context, spec *ast.WindowSpec, orderByItems []property.Item) (*WindowFrame, error) { +func (b *PlanBuilder) buildWindowFunctionFrame(ctx context.Context, spec *ast.WindowSpec, orderByItems []property.SortItem) (*WindowFrame, error) { frameClause := spec.Frame if frameClause == nil { return nil, nil @@ -4417,7 +4417,7 @@ func (b *PlanBuilder) buildWindowFunctions(ctx context.Context, p LogicalPlan, g // checkOriginWindowSpecs checks the validation for origin window specifications for a group of functions. // Because of the grouped specification is different from it, we should especially check them before build window frame. -func (b *PlanBuilder) checkOriginWindowSpecs(funcs []*ast.WindowFuncExpr, orderByItems []property.Item) error { +func (b *PlanBuilder) checkOriginWindowSpecs(funcs []*ast.WindowFuncExpr, orderByItems []property.SortItem) error { for _, f := range funcs { if f.IgnoreNull { return ErrNotSupportedYet.GenWithStackByArgs("IGNORE NULLS") @@ -4464,7 +4464,7 @@ func (b *PlanBuilder) checkOriginWindowSpecs(funcs []*ast.WindowFuncExpr, orderB return nil } -func (b *PlanBuilder) checkOriginWindowFrameBound(bound *ast.FrameBound, spec *ast.WindowSpec, orderByItems []property.Item) error { +func (b *PlanBuilder) checkOriginWindowFrameBound(bound *ast.FrameBound, spec *ast.WindowSpec, orderByItems []property.SortItem) error { if bound.Type == ast.CurrentRow || bound.UnBounded { return nil } diff --git a/planner/core/logical_plan_test.go b/planner/core/logical_plan_test.go index d8634c3252a56..e6d24103e994c 100644 --- a/planner/core/logical_plan_test.go +++ b/planner/core/logical_plan_test.go @@ -1437,7 +1437,7 @@ func (s *testPlanSuite) optimize(ctx context.Context, sql string) (PhysicalPlan, func byItemsToProperty(byItems []*util.ByItems) *property.PhysicalProperty { pp := &property.PhysicalProperty{} for _, item := range byItems { - pp.Items = append(pp.Items, property.Item{Col: item.Expr.(*expression.Column), Desc: item.Desc}) + pp.SortItems = append(pp.SortItems, property.SortItem{Col: item.Expr.(*expression.Column), Desc: item.Desc}) } return pp } diff --git a/planner/core/logical_plans.go b/planner/core/logical_plans.go index 269fae3c12327..1c61c522ace72 100644 --- a/planner/core/logical_plans.go +++ b/planner/core/logical_plans.go @@ -575,8 +575,8 @@ func (p *LogicalIndexScan) MatchIndexProp(prop *property.PhysicalProperty) (matc return false } for i, col := range p.IdxCols { - if col.Equal(nil, prop.Items[0].Col) { - return matchIndicesProp(p.IdxCols[i:], p.IdxColLens[i:], prop.Items) + if col.Equal(nil, prop.SortItems[0].Col) { + return matchIndicesProp(p.IdxCols[i:], p.IdxColLens[i:], prop.SortItems) } else if i >= p.EqCondCount { break } @@ -1048,8 +1048,8 @@ type LogicalWindow struct { logicalSchemaProducer WindowFuncDescs []*aggregation.WindowFuncDesc - PartitionBy []property.Item - OrderBy []property.Item + PartitionBy []property.SortItem + OrderBy []property.SortItem Frame *WindowFrame } diff --git a/planner/core/optimizer.go b/planner/core/optimizer.go index a6f59f95a9745..ff6c64b9a84ad 100644 --- a/planner/core/optimizer.go +++ b/planner/core/optimizer.go @@ -164,7 +164,7 @@ func enableParallelApply(sctx sessionctx.Context, plan PhysicalPlan) PhysicalPla // while A3 is the inner child. Then A1 and A2 can be parallel and A3 cannot. if apply, ok := plan.(*PhysicalApply); ok { outerIdx := 1 - apply.InnerChildIdx - noOrder := len(apply.GetChildReqProps(outerIdx).Items) == 0 // limitation 1 + noOrder := len(apply.GetChildReqProps(outerIdx).SortItems) == 0 // limitation 1 _, err := SafeClone(apply.Children()[apply.InnerChildIdx]) supportClone := err == nil // limitation 2 if noOrder && supportClone { diff --git a/planner/core/physical_plans.go b/planner/core/physical_plans.go index 9d53527d1793d..a750a54e52a71 100644 --- a/planner/core/physical_plans.go +++ b/planner/core/physical_plans.go @@ -30,6 +30,7 @@ import ( "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/ranger" + "github.com/pingcap/tipb/go-tipb" ) var ( @@ -842,6 +843,80 @@ type PhysicalExchangerBase struct { basePhysicalPlan } +// PhysicalExchangeReceiver accepts connection and receives data passively. +type PhysicalExchangeReceiver struct { + PhysicalExchangerBase + + Tasks []*kv.MPPTask + ChildPf *Fragment +} + +// ToPB generates the pb structure. +func (e *PhysicalExchangeReceiver) ToPB(ctx sessionctx.Context, storeType kv.StoreType) (*tipb.Executor, error) { + encodedTask := make([][]byte, 0, len(e.Tasks)) + + for _, task := range e.Tasks { + encodedStr, err := task.ToPB().Marshal() + if err != nil { + return nil, errors.Trace(err) + } + encodedTask = append(encodedTask, encodedStr) + } + + fieldTypes := make([]*tipb.FieldType, 0, len(e.ChildPf.Schema().Columns)) + for _, column := range e.ChildPf.Schema().Columns { + fieldTypes = append(fieldTypes, expression.ToPBFieldType(column.RetType)) + } + ecExec := &tipb.ExchangeReceiver{ + EncodedTaskMeta: encodedTask, + FieldTypes: fieldTypes, + } + executorID := e.ExplainID().String() + return &tipb.Executor{ + Tp: tipb.ExecType_TypeExchangeReceiver, + ExchangeReceiver: ecExec, + ExecutorId: &executorID, + }, nil +} + +// PhysicalExchangeSender dispatches data to upstream tasks. That means push mode processing, +type PhysicalExchangeSender struct { + PhysicalExchangerBase + + Tasks []*kv.MPPTask + ExchangeType tipb.ExchangeType +} + +// ToPB generates the pb structure. +func (e *PhysicalExchangeSender) ToPB(ctx sessionctx.Context, storeType kv.StoreType) (*tipb.Executor, error) { + child, err := e.Children()[0].ToPB(ctx, kv.TiFlash) + if err != nil { + return nil, errors.Trace(err) + } + + encodedTask := make([][]byte, 0, len(e.Tasks)) + + for _, task := range e.Tasks { + encodedStr, err := task.ToPB().Marshal() + if err != nil { + return nil, errors.Trace(err) + } + encodedTask = append(encodedTask, encodedStr) + } + + ecExec := &tipb.ExchangeSender{ + Tp: e.ExchangeType, + EncodedTaskMeta: encodedTask, + Child: child, + } + executorID := e.ExplainID().String() + return &tipb.Executor{ + Tp: tipb.ExecType_TypeExchangeSender, + ExchangeSender: ecExec, + ExecutorId: &executorID, + }, nil +} + // Clone implements PhysicalPlan interface. func (p *PhysicalMergeJoin) Clone() (PhysicalPlan, error) { cloned := new(PhysicalMergeJoin) @@ -1124,8 +1199,8 @@ type PhysicalWindow struct { physicalSchemaProducer WindowFuncDescs []*aggregation.WindowFuncDesc - PartitionBy []property.Item - OrderBy []property.Item + PartitionBy []property.SortItem + OrderBy []property.SortItem Frame *WindowFrame } diff --git a/planner/core/plan.go b/planner/core/plan.go index 64271900c4e15..a60381552492a 100644 --- a/planner/core/plan.go +++ b/planner/core/plan.go @@ -71,9 +71,9 @@ func enforceProperty(p *property.PhysicalProperty, tsk task, ctx sessionctx.Cont return tsk } tsk = finishCopTask(ctx, tsk) - sortReqProp := &property.PhysicalProperty{TaskTp: property.RootTaskType, Items: p.Items, ExpectedCnt: math.MaxFloat64} - sort := PhysicalSort{ByItems: make([]*util.ByItems, 0, len(p.Items))}.Init(ctx, tsk.plan().statsInfo(), tsk.plan().SelectBlockOffset(), sortReqProp) - for _, col := range p.Items { + sortReqProp := &property.PhysicalProperty{TaskTp: property.RootTaskType, SortItems: p.SortItems, ExpectedCnt: math.MaxFloat64} + sort := PhysicalSort{ByItems: make([]*util.ByItems, 0, len(p.SortItems))}.Init(ctx, tsk.plan().statsInfo(), tsk.plan().SelectBlockOffset(), sortReqProp) + for _, col := range p.SortItems { sort.ByItems = append(sort.ByItems, &util.ByItems{Expr: col.Col, Desc: col.Desc}) } return sort.attach2Task(tsk) diff --git a/planner/core/task.go b/planner/core/task.go index 11b88276b3755..defba9a8dab06 100644 --- a/planner/core/task.go +++ b/planner/core/task.go @@ -33,7 +33,7 @@ import ( ) // task is a new version of `PhysicalPlanInfo`. It stores cost information for a task. -// A task may be CopTask, RootTask, MPPTask or a ParallelTask. +// A task may be CopTask, RootTask, MPPTaskMeta or a ParallelTask. type task interface { count() float64 addCost(cost float64) diff --git a/planner/memo/group_test.go b/planner/memo/group_test.go index eec9c7176ff96..7b3c86a20fb1f 100644 --- a/planner/memo/group_test.go +++ b/planner/memo/group_test.go @@ -194,7 +194,7 @@ func (impl *fakeImpl) GetCostLimit(float64, ...Implementation) float64 { return func (s *testMemoSuite) TestGetInsertGroupImpl(c *C) { g := NewGroupWithSchema(NewGroupExpr(plannercore.LogicalLimit{}.Init(s.sctx, 0)), s.schema) emptyProp := &property.PhysicalProperty{} - orderProp := &property.PhysicalProperty{Items: []property.Item{{Col: &expression.Column{}}}} + orderProp := &property.PhysicalProperty{SortItems: []property.SortItem{{Col: &expression.Column{}}}} impl := g.GetImpl(emptyProp) c.Assert(impl, IsNil) diff --git a/planner/property/physical_property.go b/planner/property/physical_property.go index 1753031bd0bb5..a1201e46a94a6 100644 --- a/planner/property/physical_property.go +++ b/planner/property/physical_property.go @@ -24,8 +24,8 @@ import ( // these tasks one by one. var wholeTaskTypes = []TaskType{CopSingleReadTaskType, CopDoubleReadTaskType, RootTaskType} -// Item wraps the column and its order. -type Item struct { +// SortItem wraps the column and its order. +type SortItem struct { Col *expression.Column Desc bool } @@ -33,7 +33,8 @@ type Item struct { // PhysicalProperty stands for the required physical property by parents. // It contains the orders and the task types. type PhysicalProperty struct { - Items []Item + // SortItems contains the required sort attributes. + SortItems []SortItem // TaskTp means the type of task that an operator requires. // @@ -60,18 +61,18 @@ type PhysicalProperty struct { // NewPhysicalProperty builds property from columns. func NewPhysicalProperty(taskTp TaskType, cols []*expression.Column, desc bool, expectCnt float64, enforced bool) *PhysicalProperty { return &PhysicalProperty{ - Items: ItemsFromCols(cols, desc), + SortItems: SortItemsFromCols(cols, desc), TaskTp: taskTp, ExpectedCnt: expectCnt, Enforced: enforced, } } -// ItemsFromCols builds property items from columns. -func ItemsFromCols(cols []*expression.Column, desc bool) []Item { - items := make([]Item, 0, len(cols)) +// SortItemsFromCols builds property items from columns. +func SortItemsFromCols(cols []*expression.Column, desc bool) []SortItem { + items := make([]SortItem, 0, len(cols)) for _, col := range cols { - items = append(items, Item{Col: col, Desc: desc}) + items = append(items, SortItem{Col: col, Desc: desc}) } return items } @@ -79,7 +80,7 @@ func ItemsFromCols(cols []*expression.Column, desc bool) []Item { // AllColsFromSchema checks whether all the columns needed by this physical // property can be found in the given schema. func (p *PhysicalProperty) AllColsFromSchema(schema *expression.Schema) bool { - for _, col := range p.Items { + for _, col := range p.SortItems { if schema.ColumnIndex(col.Col) == -1 { return false } @@ -87,8 +88,8 @@ func (p *PhysicalProperty) AllColsFromSchema(schema *expression.Schema) bool { return true } -// IsFlashOnlyProp return true if this physical property is only allowed to generate flash related task -func (p *PhysicalProperty) IsFlashOnlyProp() bool { +// IsFlashProp return true if this physical property is only allowed to generate flash related task +func (p *PhysicalProperty) IsFlashProp() bool { return p.TaskTp == CopTiFlashLocalReadTaskType || p.TaskTp == CopTiFlashGlobalReadTaskType } @@ -103,11 +104,11 @@ func (p *PhysicalProperty) GetAllPossibleChildTaskTypes() []TaskType { // IsPrefix checks whether the order property is the prefix of another. func (p *PhysicalProperty) IsPrefix(prop *PhysicalProperty) bool { - if len(p.Items) > len(prop.Items) { + if len(p.SortItems) > len(prop.SortItems) { return false } - for i := range p.Items { - if !p.Items[i].Col.Equal(nil, prop.Items[i].Col) || p.Items[i].Desc != prop.Items[i].Desc { + for i := range p.SortItems { + if !p.SortItems[i].Col.Equal(nil, prop.SortItems[i].Col) || p.SortItems[i].Desc != prop.SortItems[i].Desc { return false } } @@ -116,7 +117,7 @@ func (p *PhysicalProperty) IsPrefix(prop *PhysicalProperty) bool { // IsEmpty checks whether the order property is empty. func (p *PhysicalProperty) IsEmpty() bool { - return len(p.Items) == 0 + return len(p.SortItems) == 0 } // HashCode calculates hash code for a PhysicalProperty object. @@ -124,7 +125,7 @@ func (p *PhysicalProperty) HashCode() []byte { if p.hashcode != nil { return p.hashcode } - hashcodeSize := 8 + 8 + 8 + (16+8)*len(p.Items) + 8 + hashcodeSize := 8 + 8 + 8 + (16+8)*len(p.SortItems) + 8 p.hashcode = make([]byte, 0, hashcodeSize) if p.Enforced { p.hashcode = codec.EncodeInt(p.hashcode, 1) @@ -133,7 +134,7 @@ func (p *PhysicalProperty) HashCode() []byte { } p.hashcode = codec.EncodeInt(p.hashcode, int64(p.TaskTp)) p.hashcode = codec.EncodeFloat(p.hashcode, p.ExpectedCnt) - for _, item := range p.Items { + for _, item := range p.SortItems { p.hashcode = append(p.hashcode, item.Col.HashCode(nil)...) if item.Desc { p.hashcode = codec.EncodeInt(p.hashcode, 1) @@ -146,16 +147,16 @@ func (p *PhysicalProperty) HashCode() []byte { // String implements fmt.Stringer interface. Just for test. func (p *PhysicalProperty) String() string { - return fmt.Sprintf("Prop{cols: %v, TaskTp: %s, expectedCount: %v}", p.Items, p.TaskTp, p.ExpectedCnt) + return fmt.Sprintf("Prop{cols: %v, TaskTp: %s, expectedCount: %v}", p.SortItems, p.TaskTp, p.ExpectedCnt) } // Clone returns a copy of PhysicalProperty. Currently, this function is only used to build new // required property for children plan in `exhaustPhysicalPlans`, so we don't copy `Enforced` field -// because if `Enforced` is true, the `Items` must be empty now, this makes `Enforced` meaningless +// because if `Enforced` is true, the `SortItems` must be empty now, this makes `Enforced` meaningless // for children nodes. func (p *PhysicalProperty) Clone() *PhysicalProperty { prop := &PhysicalProperty{ - Items: p.Items, + SortItems: p.SortItems, TaskTp: p.TaskTp, ExpectedCnt: p.ExpectedCnt, } @@ -164,13 +165,13 @@ func (p *PhysicalProperty) Clone() *PhysicalProperty { // AllSameOrder checks if all the items have same order. func (p *PhysicalProperty) AllSameOrder() (bool, bool) { - if len(p.Items) == 0 { + if len(p.SortItems) == 0 { return true, false } - for i := 1; i < len(p.Items); i++ { - if p.Items[i].Desc != p.Items[i-1].Desc { + for i := 1; i < len(p.SortItems); i++ { + if p.SortItems[i].Desc != p.SortItems[i-1].Desc { return false, false } } - return true, p.Items[0].Desc + return true, p.SortItems[0].Desc } diff --git a/store/tikv/mpp.go b/store/tikv/mpp.go index 9f6abba7cbc28..03af56ea2c6d8 100644 --- a/store/tikv/mpp.go +++ b/store/tikv/mpp.go @@ -41,15 +41,15 @@ func (c *batchCopTask) GetAddress() string { return c.storeAddr } -// ConstructMPPTasks receives ScheduleRequest, which are actually collects of kv ranges. We allocates MPPTask for them and returns. -func (c *MPPClient) ConstructMPPTasks(ctx context.Context, req *kv.MPPBuildTasksRequest) ([]kv.MPPTask, error) { +// ConstructMPPTasks receives ScheduleRequest, which are actually collects of kv ranges. We allocates MPPTaskMeta for them and returns. +func (c *MPPClient) ConstructMPPTasks(ctx context.Context, req *kv.MPPBuildTasksRequest) ([]kv.MPPTaskMeta, error) { ctx = context.WithValue(ctx, txnStartKey, req.StartTS) bo := NewBackofferWithVars(ctx, copBuildTaskMaxBackoff, nil) tasks, err := buildBatchCopTasks(bo, c.store.regionCache, &copRanges{mid: req.KeyRanges}, kv.TiFlash) if err != nil { return nil, errors.Trace(err) } - mppTasks := make([]kv.MPPTask, 0, len(tasks)) + mppTasks := make([]kv.MPPTaskMeta, 0, len(tasks)) for _, copTask := range tasks { mppTasks = append(mppTasks, copTask) } @@ -136,7 +136,7 @@ func (m *mppIterator) handleDispatchReq(ctx context.Context, bo *Backoffer, req }() sender := NewRegionBatchRequestSender(m.store.regionCache, m.store.client) var regionInfos []*coprocessor.RegionInfo - originalTask := req.Task.(*batchCopTask) + originalTask := req.Meta.(*batchCopTask) for _, task := range originalTask.copTasks { regionInfos = append(regionInfos, &coprocessor.RegionInfo{ RegionId: task.task.region.id, @@ -207,7 +207,7 @@ func (m *mppIterator) establishMPPConns(bo *Backoffer, req *kv.MPPDispatchReques // Drain result from root task. // We don't need to process any special error. When we meet errors, just let it fail. - rpcResp, err := m.store.client.SendRequest(bo.ctx, req.Task.GetAddress(), wrappedReq, ReadTimeoutUltraLong) + rpcResp, err := m.store.client.SendRequest(bo.ctx, req.Meta.GetAddress(), wrappedReq, ReadTimeoutUltraLong) if err != nil { m.sendError(err) @@ -265,7 +265,7 @@ func (m *mppIterator) handleMPPStreamResponse(response *mpp.MPPDataPacket, req * err = errors.Errorf("other error for mpp stream: %s", response.Error.Msg) logutil.BgLogger().Warn("other error", zap.Uint64("txnStartTS", req.StartTs), - zap.String("storeAddr", req.Task.GetAddress()), + zap.String("storeAddr", req.Meta.GetAddress()), zap.Error(err)) return err } From 152b60ebe409220413fdf274c89c3e8b96820f9b Mon Sep 17 00:00:00 2001 From: Zhou Kunqin <25057648+time-and-fate@users.noreply.github.com> Date: Mon, 2 Nov 2020 15:21:25 +0800 Subject: [PATCH 0119/1021] session: increase cm_sketch column max length to 6291456(6MB) (#20152) --- executor/analyze_test.go | 20 ++++++++++++++++++++ session/bootstrap.go | 12 +++++++++++- session/session.go | 2 +- statistics/table.go | 2 +- 4 files changed, 33 insertions(+), 3 deletions(-) diff --git a/executor/analyze_test.go b/executor/analyze_test.go index f2f0af38cc1c5..616189221984f 100644 --- a/executor/analyze_test.go +++ b/executor/analyze_test.go @@ -194,6 +194,26 @@ func (s *testSuite1) TestAnalyzeParameters(c *C) { width, depth = col.CMSketch.GetWidthAndDepth() c.Assert(depth, Equals, int32(4)) c.Assert(width, Equals, int32(4)) + + // Test very large cmsketch + tk.MustExec(fmt.Sprintf("analyze table t with %d cmsketch width, %d cmsketch depth", statistics.CMSketchSizeLimit, 1)) + tbl = s.dom.StatsHandle().GetTableStats(tableInfo) + col = tbl.Columns[1] + c.Assert(col.Len(), Equals, 20) + c.Assert(len(col.TopN.TopN()), Equals, 1) + width, depth = col.CMSketch.GetWidthAndDepth() + c.Assert(depth, Equals, int32(1)) + c.Assert(width, Equals, int32(statistics.CMSketchSizeLimit)) + + // Test very large cmsketch + tk.MustExec("analyze table t with 20480 cmsketch width, 50 cmsketch depth") + tbl = s.dom.StatsHandle().GetTableStats(tableInfo) + col = tbl.Columns[1] + c.Assert(col.Len(), Equals, 20) + c.Assert(len(col.TopN.TopN()), Equals, 1) + width, depth = col.CMSketch.GetWidthAndDepth() + c.Assert(depth, Equals, int32(50)) + c.Assert(width, Equals, int32(20480)) } func (s *testSuite1) TestAnalyzeTooLongColumns(c *C) { diff --git a/session/bootstrap.go b/session/bootstrap.go index bb64e46a0772a..7515d45624a05 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -182,7 +182,7 @@ const ( tot_col_size BIGINT(64) NOT NULL DEFAULT 0, modify_count BIGINT(64) NOT NULL DEFAULT 0, version BIGINT(64) UNSIGNED NOT NULL DEFAULT 0, - cm_sketch BLOB, + cm_sketch BLOB(6291456), stats_ver BIGINT(64) NOT NULL DEFAULT 0, flag BIGINT(64) NOT NULL DEFAULT 0, correlation DOUBLE NOT NULL DEFAULT 0, @@ -425,6 +425,8 @@ const ( version50 = 50 // version51 introduces CreateTablespacePriv to mysql.user. version51 = 51 + // version52 change mysql.stats_histograms cm_sketch column from blob to blob(6291456) + version52 = 52 ) var ( @@ -479,6 +481,7 @@ var ( upgradeToVer49, upgradeToVer50, upgradeToVer51, + upgradeToVer52, } ) @@ -1181,6 +1184,13 @@ func upgradeToVer51(s Session, ver int64) { mustExecute(s, "UPDATE HIGH_PRIORITY mysql.user SET Create_tablespace_priv='Y' where Super_priv='Y'") } +func upgradeToVer52(s Session, ver int64) { + if ver >= version52 { + return + } + doReentrantDDL(s, "ALTER TABLE mysql.stats_histograms MODIFY cm_sketch BLOB(6291456)") +} + // updateBootstrapVer updates bootstrap version variable in mysql.TiDB table. func updateBootstrapVer(s Session) { // Update bootstrap version. diff --git a/session/session.go b/session/session.go index 4ad2170ebbff1..bbe79ea3c83ad 100644 --- a/session/session.go +++ b/session/session.go @@ -2023,7 +2023,7 @@ func CreateSessionWithDomain(store kv.Storage, dom *domain.Domain) (*session, er const ( notBootstrapped = 0 - currentBootstrapVersion = version51 + currentBootstrapVersion = version52 ) func getStoreBootstrapVersion(store kv.Storage) int64 { diff --git a/statistics/table.go b/statistics/table.go index 5847be1f129a5..0d104084a4e55 100644 --- a/statistics/table.go +++ b/statistics/table.go @@ -58,7 +58,7 @@ const ( PseudoRowCount = 10000 ) -// CMSketchSizeLimit indicates the max width and depth of CMSketch. +// CMSketchSizeLimit indicates the max size(width * depth) of a CMSketch. var CMSketchSizeLimit = kv.TxnEntrySizeLimit / binary.MaxVarintLen32 // AnalyzeOptionLimit indicates the upper bound of some attribute. From c5d0f40772670669f757fccb6d231ce446c766b6 Mon Sep 17 00:00:00 2001 From: xhe Date: Mon, 2 Nov 2020 16:03:57 +0800 Subject: [PATCH 0120/1021] ddl: handle placement rule cache for drop/truncate/recover/flashback table (#20622) Signed-off-by: xhe --- ddl/ddl_worker.go | 48 ++++++++++++++++++++++---------------- ddl/partition.go | 15 ++++++------ ddl/placement/utils.go | 4 ++-- ddl/placement_rule_test.go | 2 +- ddl/placement_sql_test.go | 46 ++++++++++++++++++++++++++++++++++++ ddl/table.go | 37 ++++++++++++++++++++++++++++- infoschema/builder.go | 29 ++++++++++++++++++++++- 7 files changed, 149 insertions(+), 32 deletions(-) diff --git a/ddl/ddl_worker.go b/ddl/ddl_worker.go index 6506506158ad4..77753f469ad39 100644 --- a/ddl/ddl_worker.go +++ b/ddl/ddl_worker.go @@ -815,6 +815,21 @@ func (w *worker) waitSchemaSynced(d *ddlCtx, job *model.Job, waitTime time.Durat w.waitSchemaChanged(ctx, d, waitTime, latestSchemaVersion, job) } +func buildPlacementAffects(oldIDs []int64, newIDs []int64) []*model.AffectedOption { + if len(oldIDs) == 0 { + return nil + } + + affects := make([]*model.AffectedOption, len(oldIDs)) + for i := 0; i < len(oldIDs); i++ { + affects[i] = &model.AffectedOption{ + OldTableID: oldIDs[i], + TableID: newIDs[i], + } + } + return affects +} + // updateSchemaVersion increments the schema version by 1 and sets SchemaDiff. func updateSchemaVersion(t *meta.Meta, job *model.Job) (int64, error) { schemaVersion, err := t.GenSchemaVersion() @@ -834,6 +849,13 @@ func updateSchemaVersion(t *meta.Meta, job *model.Job) (int64, error) { return 0, errors.Trace(err) } diff.OldTableID = job.TableID + + // affects are used to update placement rule cache + if len(job.CtxVars) > 0 { + oldIDs := job.CtxVars[0].([]int64) + newIDs := job.CtxVars[1].([]int64) + diff.AffectedOpts = buildPlacementAffects(oldIDs, newIDs) + } case model.ActionCreateView: tbInfo := &model.TableInfo{} var orReplace bool @@ -893,32 +915,18 @@ func updateSchemaVersion(t *meta.Meta, job *model.Job) (int64, error) { } diff.AffectedOpts = affects case model.ActionTruncateTablePartition: - oldIDs := job.CtxVars[0].([]int64) - newIDs := job.CtxVars[1].([]int64) diff.TableID = job.TableID - affects := make([]*model.AffectedOption, len(oldIDs)) - for i := 0; i < len(oldIDs); i++ { - affects[i] = &model.AffectedOption{ - SchemaID: job.SchemaID, - TableID: newIDs[i], - OldTableID: oldIDs[i], - } + if len(job.CtxVars) > 0 { + oldIDs := job.CtxVars[0].([]int64) + newIDs := job.CtxVars[1].([]int64) + diff.AffectedOpts = buildPlacementAffects(oldIDs, newIDs) } - diff.AffectedOpts = affects - case model.ActionDropTablePartition: + case model.ActionDropTablePartition, model.ActionRecoverTable, model.ActionDropTable: // affects are used to update placement rule cache diff.TableID = job.TableID if len(job.CtxVars) > 0 { if oldIDs, ok := job.CtxVars[0].([]int64); ok { - affects := make([]*model.AffectedOption, len(oldIDs)) - for i := 0; i < len(oldIDs); i++ { - affects[i] = &model.AffectedOption{ - SchemaID: job.SchemaID, - TableID: oldIDs[i], - OldTableID: oldIDs[i], - } - } - diff.AffectedOpts = affects + diff.AffectedOpts = buildPlacementAffects(oldIDs, oldIDs) } } case model.ActionAlterTableAlterPartition: diff --git a/ddl/partition.go b/ddl/partition.go index 3537f4f9be4bd..b08d22bc54bea 100644 --- a/ddl/partition.go +++ b/ddl/partition.go @@ -1018,7 +1018,7 @@ func getTableInfoWithDroppingPartitions(t *model.TableInfo) *model.TableInfo { } func dropRuleBundles(d *ddlCtx, physicalTableIDs []int64) error { - if d.infoHandle != nil { + if d.infoHandle != nil && d.infoHandle.IsValid() { bundles := make([]*placement.Bundle, 0, len(physicalTableIDs)) for _, ID := range physicalTableIDs { oldBundle, ok := d.infoHandle.Get().BundleByName(placement.GroupID(ID)) @@ -1166,7 +1166,6 @@ func onTruncateTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) (int64, e } newPartitions := make([]model.PartitionDefinition, 0, len(oldIDs)) - newIDs := make([]int64, 0, len(oldIDs)) for _, oldID := range oldIDs { for i := 0; i < len(pi.Definitions); i++ { def := &pi.Definitions[i] @@ -1178,7 +1177,6 @@ func onTruncateTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) (int64, e def.ID = pid // Shallow copy only use the def.ID in event handle. newPartitions = append(newPartitions, *def) - newIDs = append(newIDs, pid) break } } @@ -1203,16 +1201,21 @@ func onTruncateTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) (int64, e } } - if d.infoHandle != nil { + if d.infoHandle != nil && d.infoHandle.IsValid() { bundles := make([]*placement.Bundle, 0, len(oldIDs)) + yoldIDs := make([]int64, 0, len(oldIDs)) + newIDs := make([]int64, 0, len(oldIDs)) for i, oldID := range oldIDs { oldBundle, ok := d.infoHandle.Get().BundleByName(placement.GroupID(oldID)) if ok && !oldBundle.IsEmpty() { + yoldIDs = append(yoldIDs, oldID) + newIDs = append(newIDs, newIDs[i]) bundles = append(bundles, placement.BuildPlacementDropBundle(oldID)) - bundles = append(bundles, placement.BuildPlacementTruncateBundle(oldBundle, newIDs[i])) + bundles = append(bundles, placement.BuildPlacementCopyBundle(oldBundle, newIDs[i])) } } + job.CtxVars = []interface{}{yoldIDs, newIDs} err = infosync.PutRuleBundles(nil, bundles) if err != nil { @@ -1221,8 +1224,6 @@ func onTruncateTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) (int64, e } } - // used by ApplyDiff in updateSchemaVersion - job.CtxVars = []interface{}{oldIDs, newIDs} ver, err = updateVersionAndTableInfo(t, job, tblInfo, true) if err != nil { return ver, errors.Trace(err) diff --git a/ddl/placement/utils.go b/ddl/placement/utils.go index dac822d012bc8..037a0c6e22be8 100644 --- a/ddl/placement/utils.go +++ b/ddl/placement/utils.go @@ -118,8 +118,8 @@ func BuildPlacementDropBundle(partitionID int64) *Bundle { } } -// BuildPlacementTruncateBundle builds the bundle to copy placement rules from old id to new id. -func BuildPlacementTruncateBundle(oldBundle *Bundle, newID int64) *Bundle { +// BuildPlacementCopyBundle copies a new bundle from the old, with a new name and a new key range. +func BuildPlacementCopyBundle(oldBundle *Bundle, newID int64) *Bundle { newBundle := oldBundle.Clone() newBundle.ID = GroupID(newID) startKey := hex.EncodeToString(codec.EncodeBytes(nil, tablecodec.GenTablePrefix(newID))) diff --git a/ddl/placement_rule_test.go b/ddl/placement_rule_test.go index a23a514b41577..37760c521e62f 100644 --- a/ddl/placement_rule_test.go +++ b/ddl/placement_rule_test.go @@ -300,7 +300,7 @@ func (s *testPlacementSuite) TestPlacementBuildTruncate(c *C) { }, } for _, t := range tests { - out := placement.BuildPlacementTruncateBundle(bundle, t.input) + out := placement.BuildPlacementCopyBundle(bundle, t.input) c.Assert(t.output, DeepEquals, out) c.Assert(bundle.ID, Equals, placement.GroupID(-1)) c.Assert(bundle.Rules, HasLen, 1) diff --git a/ddl/placement_sql_test.go b/ddl/placement_sql_test.go index f8482603d4006..70f5e1942cb8a 100644 --- a/ddl/placement_sql_test.go +++ b/ddl/placement_sql_test.go @@ -14,8 +14,12 @@ package ddl_test import ( + "fmt" + . "github.com/pingcap/check" + "github.com/pingcap/parser/model" "github.com/pingcap/tidb/ddl" + "github.com/pingcap/tidb/ddl/placement" "github.com/pingcap/tidb/util/testkit" ) @@ -271,3 +275,45 @@ add placement policy replicas=3`) c.Assert(ddl.ErrPartitionMgmtOnNonpartitioned.Equal(err), IsTrue) } + +func (s *testDBSuite1) TestPlacementPolicyCache(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + defer tk.MustExec("drop table if exists t1") + + initTable := func() []string { + bundles := make(map[string]*placement.Bundle) + tk.MustExec("drop table if exists t1") + tk.MustExec("create table t1(id int) partition by hash(id) partitions 2") + + is := s.dom.InfoSchema() + is.MockBundles(bundles) + + tb, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t1")) + c.Assert(err, IsNil) + partDefs := tb.Meta().GetPartitionInfo().Definitions + + rows := []string{} + for _, v := range partDefs { + ptID := placement.GroupID(v.ID) + bundles[ptID] = &placement.Bundle{ + ID: ptID, + Rules: []*placement.Rule{{ID: "default"}}, + } + rows = append(rows, fmt.Sprintf("%s 0 default test t1 %s 0 ", ptID, v.Name.L)) + } + return rows + } + + // test drop + rows := initTable() + tk.MustQuery("select * from information_schema.placement_policy").Check(testkit.Rows(rows...)) + tk.MustExec("drop table t1") + tk.MustQuery("select * from information_schema.placement_policy").Check(testkit.Rows()) + + // test truncate + rows = initTable() + tk.MustQuery("select * from information_schema.placement_policy").Check(testkit.Rows(rows...)) + tk.MustExec("truncate table t1") + tk.MustQuery("select * from information_schema.placement_policy").Check(testkit.Rows()) +} diff --git a/ddl/table.go b/ddl/table.go index 37c123cdb1cb3..81be3a5937a13 100644 --- a/ddl/table.go +++ b/ddl/table.go @@ -25,7 +25,9 @@ import ( "github.com/pingcap/parser/charset" "github.com/pingcap/parser/model" field_types "github.com/pingcap/parser/types" + "github.com/pingcap/tidb/ddl/placement" "github.com/pingcap/tidb/ddl/util" + "github.com/pingcap/tidb/domain/infosync" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/meta" @@ -183,6 +185,8 @@ func onDropTableOrView(t *meta.Meta, job *model.Job) (ver int64, _ error) { ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != tblInfo.State) case model.StateDeleteOnly: tblInfo.State = model.StateNone + oldIDs := getPartitionIDs(tblInfo) + job.CtxVars = []interface{}{oldIDs} ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != tblInfo.State) if err != nil { return ver, errors.Trace(err) @@ -199,7 +203,7 @@ func onDropTableOrView(t *meta.Meta, job *model.Job) (ver int64, _ error) { // Finish this job. job.FinishTableJob(model.JobStateDone, model.StateNone, ver, tblInfo) startKey := tablecodec.EncodeTablePrefix(job.TableID) - job.Args = append(job.Args, startKey, getPartitionIDs(tblInfo)) + job.Args = append(job.Args, startKey, oldIDs) default: err = ErrInvalidDDLState.GenWithStackByArgs("table", tblInfo.State) } @@ -321,6 +325,7 @@ func (w *worker) onRecoverTable(d *ddlCtx, t *meta.Meta, job *model.Job) (ver in } }) + job.CtxVars = []interface{}{tids} ver, err = updateVersionAndTableInfo(t, job, tblInfo, true) if err != nil { return ver, errors.Trace(err) @@ -474,6 +479,36 @@ func onTruncateTable(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, _ erro } } + if d.infoHandle != nil && d.infoHandle.IsValid() { + is := d.infoHandle.Get() + + bundles := make([]*placement.Bundle, 0, len(oldPartitionIDs)+1) + if oldBundle, ok := is.BundleByName(placement.GroupID(tableID)); ok { + bundles = append(bundles, placement.BuildPlacementCopyBundle(oldBundle, newTableID)) + } + + if pi := tblInfo.GetPartitionInfo(); pi != nil { + oldIDs := make([]int64, 0, len(oldPartitionIDs)) + newIDs := make([]int64, 0, len(oldPartitionIDs)) + newDefs := pi.Definitions + for i := range oldPartitionIDs { + newID := newDefs[i].ID + if oldBundle, ok := is.BundleByName(placement.GroupID(oldPartitionIDs[i])); ok && !oldBundle.IsEmpty() { + oldIDs = append(oldIDs, oldPartitionIDs[i]) + newIDs = append(newIDs, newID) + bundles = append(bundles, placement.BuildPlacementCopyBundle(oldBundle, newID)) + } + } + job.CtxVars = []interface{}{oldIDs, newIDs} + } + + err = infosync.PutRuleBundles(nil, bundles) + if err != nil { + job.State = model.JobStateCancelled + return 0, errors.Wrapf(err, "failed to notify PD the placement rules") + } + } + // Clear the tiflash replica available status. if tblInfo.TiFlashReplica != nil { tblInfo.TiFlashReplica.AvailablePartitionIDs = nil diff --git a/infoschema/builder.go b/infoschema/builder.go index cc3fd22093ac1..624673eae9ea8 100644 --- a/infoschema/builder.go +++ b/infoschema/builder.go @@ -73,6 +73,20 @@ func (b *Builder) ApplyDiff(m *meta.Meta, diff *model.SchemaDiff) ([]int64, erro oldTableID = diff.TableID newTableID = diff.TableID } + // handle placement rule cache + switch diff.Type { + case model.ActionDropTable: + b.applyPlacementDelete(placement.GroupID(oldTableID)) + case model.ActionTruncateTable: + b.applyPlacementDelete(placement.GroupID(oldTableID)) + if err := b.applyPlacementUpdate(placement.GroupID(newTableID)); err != nil { + return nil, errors.Trace(err) + } + case model.ActionRecoverTable: + if err := b.applyPlacementUpdate(placement.GroupID(newTableID)); err != nil { + return nil, errors.Trace(err) + } + } dbInfo := b.copySchemaTables(roDBInfo.Name.L) b.copySortedTables(oldTableID, newTableID) @@ -134,8 +148,21 @@ func (b *Builder) ApplyDiff(m *meta.Meta, diff *model.SchemaDiff) ([]int64, erro return nil, errors.Trace(err) } continue - case model.ActionDropTablePartition: + case model.ActionDropTable, model.ActionDropTablePartition: + b.applyPlacementDelete(placement.GroupID(opt.OldTableID)) + continue + case model.ActionTruncateTable: b.applyPlacementDelete(placement.GroupID(opt.OldTableID)) + err := b.applyPlacementUpdate(placement.GroupID(opt.TableID)) + if err != nil { + return nil, errors.Trace(err) + } + continue + case model.ActionRecoverTable: + err := b.applyPlacementUpdate(placement.GroupID(opt.TableID)) + if err != nil { + return nil, errors.Trace(err) + } continue } var err error From cc7a38327fca12df5dacbaa959f6f44dfe32c85a Mon Sep 17 00:00:00 2001 From: erwadba Date: Mon, 2 Nov 2020 17:02:51 +0800 Subject: [PATCH 0121/1021] executor: fix show global variables return session variables also (#19341) --- executor/show.go | 56 ++++++++++++++++++------------------------- executor/show_test.go | 24 +++++++++++++++++++ 2 files changed, 47 insertions(+), 33 deletions(-) diff --git a/executor/show.go b/executor/show.go index 8858407cd3a55..cdb815dce0bcd 100644 --- a/executor/show.go +++ b/executor/show.go @@ -650,45 +650,35 @@ func (e *ShowExec) fetchShowMasterStatus() error { func (e *ShowExec) fetchShowVariables() (err error) { var ( - value string - ok bool - sessionVars = e.ctx.GetSessionVars() - unreachedVars = make([]string, 0, len(variable.GetSysVars())) + value string + sessionVars = e.ctx.GetSessionVars() ) - for _, v := range variable.GetSysVars() { - if !e.GlobalScope { - // For a session scope variable, - // 1. try to fetch value from SessionVars.Systems; - // 2. if this variable is session-only, fetch value from SysVars - // otherwise, fetch the value from table `mysql.Global_Variables`. - value, ok, err = variable.GetSessionOnlySysVars(sessionVars, v.Name) - } else { - // If the scope of a system variable is ScopeNone, - // it's a read-only variable, so we return the default value of it. - // Otherwise, we have to fetch the values from table `mysql.Global_Variables` for global variable names. - value, ok, err = variable.GetScopeNoneSystemVar(v.Name) - } - if err != nil { - return errors.Trace(err) - } - if !ok { - unreachedVars = append(unreachedVars, v.Name) - continue + if e.GlobalScope { + // Collect global scope variables, + // 1. Exclude the variables of ScopeSession in variable.SysVars; + // 2. If the variable is ScopeNone, it's a read-only variable, return the default value of it, + // otherwise, fetch the value from table `mysql.Global_Variables`. + for _, v := range variable.GetSysVars() { + if v.Scope != variable.ScopeSession { + value, err = variable.GetGlobalSystemVar(sessionVars, v.Name) + if err != nil { + return errors.Trace(err) + } + e.appendRow([]interface{}{v.Name, value}) + } } - e.appendRow([]interface{}{v.Name, value}) + return nil } - if len(unreachedVars) != 0 { - systemVars, err := sessionVars.GlobalVarsAccessor.GetAllSysVars() + + // Collect session scope variables, + // If it is a session only variable, use the default value defined in code, + // otherwise, fetch the value from table `mysql.Global_Variables`. + for _, v := range variable.GetSysVars() { + value, err = variable.GetSessionSystemVar(sessionVars, v.Name) if err != nil { return errors.Trace(err) } - for _, varName := range unreachedVars { - varValue, ok := systemVars[varName] - if !ok { - varValue = variable.GetSysVar(varName).Value - } - e.appendRow([]interface{}{varName, varValue}) - } + e.appendRow([]interface{}{v.Name, value}) } return nil } diff --git a/executor/show_test.go b/executor/show_test.go index 8c459e1d5ed00..4db8aa2b43c20 100644 --- a/executor/show_test.go +++ b/executor/show_test.go @@ -30,6 +30,7 @@ import ( "github.com/pingcap/tidb/privilege/privileges" "github.com/pingcap/tidb/session" "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/testkit" "github.com/pingcap/tidb/util/testutil" @@ -1135,3 +1136,26 @@ func (s *testSerialSuite1) TestShowCreateTableWithIntegerDisplayLengthWarnings(c " `e` bigint DEFAULT NULL\n" + ") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin")) } + +func (s *testSuite5) TestShowVar(c *C) { + tk := testkit.NewTestKit(c, s.store) + var showSQL string + for _, v := range variable.GetSysVars() { + // When ScopeSession only. `show global variables` must return empty. + if v.Scope == variable.ScopeSession { + showSQL = "show variables like '" + v.Name + "'" + res := tk.MustQuery(showSQL) + c.Check(res.Rows(), HasLen, 1) + showSQL = "show global variables like '" + v.Name + "'" + res = tk.MustQuery(showSQL) + c.Check(res.Rows(), HasLen, 0) + } else { + showSQL = "show global variables like '" + v.Name + "'" + res := tk.MustQuery(showSQL) + c.Check(res.Rows(), HasLen, 1) + showSQL = "show variables like '" + v.Name + "'" + res = tk.MustQuery(showSQL) + c.Check(res.Rows(), HasLen, 1) + } + } +} From a2e1aff6e58a174080dab3fbe5ddd91ba6cd07b0 Mon Sep 17 00:00:00 2001 From: Alkaid Jiang <38248129+jyz0309@users.noreply.github.com> Date: Mon, 2 Nov 2020 19:36:55 +0800 Subject: [PATCH 0122/1021] *:Fix the bug of consistent plan but inconsistent plan digest (#20660) --- planner/core/common_plans.go | 2 +- planner/core/explain.go | 26 ++++++++------ planner/core/plan_test.go | 19 +++++++++-- planner/core/point_get_plan.go | 18 ++++++---- .../testdata/plan_normalized_suite_in.json | 7 +++- .../testdata/plan_normalized_suite_out.json | 34 +++++++++++++++++++ 6 files changed, 84 insertions(+), 22 deletions(-) diff --git a/planner/core/common_plans.go b/planner/core/common_plans.go index a013cec339cda..bd3e1f92f668d 100644 --- a/planner/core/common_plans.go +++ b/planner/core/common_plans.go @@ -1146,7 +1146,7 @@ func (e *Explain) getOperatorInfo(p Plan, id string) (string, string, string) { } var accessObject, operatorInfo string if plan, ok := p.(dataAccesser); ok { - accessObject = plan.AccessObject() + accessObject = plan.AccessObject(false) operatorInfo = plan.OperatorInfo(false) } else { if pa, ok := p.(partitionAccesser); ok && e.ctx != nil { diff --git a/planner/core/explain.go b/planner/core/explain.go index fa24871341717..ae6758132e52f 100644 --- a/planner/core/explain.go +++ b/planner/core/explain.go @@ -37,7 +37,7 @@ import ( type dataAccesser interface { // AccessObject return plan's `table`, `partition` and `index`. - AccessObject() string + AccessObject(normalized bool) string // OperatorInfo return other operator information to be explained. OperatorInfo(normalized bool) string @@ -64,16 +64,16 @@ func (p *PhysicalIndexScan) ExplainID() fmt.Stringer { // ExplainInfo implements Plan interface. func (p *PhysicalIndexScan) ExplainInfo() string { - return p.AccessObject() + ", " + p.OperatorInfo(false) + return p.AccessObject(false) + ", " + p.OperatorInfo(false) } // ExplainNormalizedInfo implements Plan interface. func (p *PhysicalIndexScan) ExplainNormalizedInfo() string { - return p.AccessObject() + ", " + p.OperatorInfo(true) + return p.AccessObject(true) + ", " + p.OperatorInfo(true) } // AccessObject implements dataAccesser interface. -func (p *PhysicalIndexScan) AccessObject() string { +func (p *PhysicalIndexScan) AccessObject(normalized bool) string { buffer := bytes.NewBufferString("") tblName := p.Table.Name.O if p.TableAsName != nil && p.TableAsName.O != "" { @@ -81,7 +81,9 @@ func (p *PhysicalIndexScan) AccessObject() string { } fmt.Fprintf(buffer, "table:%s", tblName) if p.isPartition { - if pi := p.Table.GetPartitionInfo(); pi != nil { + if normalized { + fmt.Fprintf(buffer, ", partition:?") + } else if pi := p.Table.GetPartitionInfo(); pi != nil { partitionName := pi.GetNameByID(p.physicalTableID) fmt.Fprintf(buffer, ", partition:%s", partitionName) } @@ -172,16 +174,16 @@ func (p *PhysicalTableScan) ExplainID() fmt.Stringer { // ExplainInfo implements Plan interface. func (p *PhysicalTableScan) ExplainInfo() string { - return p.AccessObject() + ", " + p.OperatorInfo(false) + return p.AccessObject(false) + ", " + p.OperatorInfo(false) } // ExplainNormalizedInfo implements Plan interface. func (p *PhysicalTableScan) ExplainNormalizedInfo() string { - return p.AccessObject() + ", " + p.OperatorInfo(true) + return p.AccessObject(true) + ", " + p.OperatorInfo(true) } // AccessObject implements dataAccesser interface. -func (p *PhysicalTableScan) AccessObject() string { +func (p *PhysicalTableScan) AccessObject(normalized bool) string { buffer := bytes.NewBufferString("") tblName := p.Table.Name.O if p.TableAsName != nil && p.TableAsName.O != "" { @@ -189,7 +191,9 @@ func (p *PhysicalTableScan) AccessObject() string { } fmt.Fprintf(buffer, "table:%s", tblName) if p.isPartition { - if pi := p.Table.GetPartitionInfo(); pi != nil { + if normalized { + fmt.Fprintf(buffer, ", partition:?") + } else if pi := p.Table.GetPartitionInfo(); pi != nil { partitionName := pi.GetNameByID(p.physicalTableID) fmt.Fprintf(buffer, ", partition:%s", partitionName) } @@ -940,7 +944,7 @@ const MetricTableTimeFormat = "2006-01-02 15:04:05.999" // ExplainInfo implements Plan interface. func (p *PhysicalMemTable) ExplainInfo() string { - accessObject, operatorInfo := p.AccessObject(), p.OperatorInfo(false) + accessObject, operatorInfo := p.AccessObject(false), p.OperatorInfo(false) if len(operatorInfo) == 0 { return accessObject } @@ -948,7 +952,7 @@ func (p *PhysicalMemTable) ExplainInfo() string { } // AccessObject implements dataAccesser interface. -func (p *PhysicalMemTable) AccessObject() string { +func (p *PhysicalMemTable) AccessObject(_ bool) string { return "table:" + p.Table.Name.O } diff --git a/planner/core/plan_test.go b/planner/core/plan_test.go index 43a7e0f68ac80..534cc93740470 100644 --- a/planner/core/plan_test.go +++ b/planner/core/plan_test.go @@ -61,9 +61,12 @@ func (s *testPlanNormalize) TearDownSuite(c *C) { func (s *testPlanNormalize) TestNormalizedPlan(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") - tk.MustExec("drop table if exists t1,t2") + tk.MustExec("set @@tidb_partition_prune_mode='static-only';") + tk.MustExec("drop table if exists t1,t2,t3,t4") tk.MustExec("create table t1 (a int key,b int,c int, index (b));") tk.MustExec("create table t2 (a int key,b int,c int, index (b));") + tk.MustExec("create table t3 (a int key,b int) partition by hash(a) partitions 2;") + tk.MustExec("create table t4 (a int, b int, index(a)) partition by range(a) (partition p0 values less than (10),partition p1 values less than MAXVALUE);") var input []string var output []struct { SQL string @@ -165,9 +168,11 @@ func (s *testPlanNormalize) TestEncodeDecodePlan(c *C) { func (s *testPlanNormalize) TestNormalizedDigest(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") - tk.MustExec("drop table if exists t1,t2, bmsql_order_line, bmsql_district,bmsql_stock") + tk.MustExec("drop table if exists t1,t2,t3,t4, bmsql_order_line, bmsql_district,bmsql_stock") tk.MustExec("create table t1 (a int key,b int,c int, index (b));") tk.MustExec("create table t2 (a int key,b int,c int, index (b));") + tk.MustExec("create table t3 (a int, b int, index(a)) partition by range(a) (partition p0 values less than (10),partition p1 values less than MAXVALUE);") + tk.MustExec("create table t4 (a int key,b int) partition by hash(a) partitions 2;") tk.MustExec(`CREATE TABLE bmsql_order_line ( ol_w_id int(11) NOT NULL, ol_d_id int(11) NOT NULL, @@ -295,6 +300,16 @@ func (s *testPlanNormalize) TestNormalizedDigest(c *C) { sql2: "select count(1) as num,a from t1 where a=2 group by a union select count(1) as num,a from t1 where a=4 group by a;", isSame: true, }, + { // test for tablescan partition + sql1: "select * from t3 where a=5", + sql2: "select * from t3 where a=15", + isSame: true, + }, + { // test for point get partition + sql1: "select * from t4 where a=4", + sql2: "select * from t4 where a=30", + isSame: true, + }, { sql1: `SELECT COUNT(*) AS low_stock FROM diff --git a/planner/core/point_get_plan.go b/planner/core/point_get_plan.go index fa6562ad43b18..5ee08498c36a5 100644 --- a/planner/core/point_get_plan.go +++ b/planner/core/point_get_plan.go @@ -97,7 +97,7 @@ func (p *PointGetPlan) Clone() (PhysicalPlan, error) { // ExplainInfo implements Plan interface. func (p *PointGetPlan) ExplainInfo() string { - accessObject, operatorInfo := p.AccessObject(), p.OperatorInfo(false) + accessObject, operatorInfo := p.AccessObject(false), p.OperatorInfo(false) if len(operatorInfo) == 0 { return accessObject } @@ -106,7 +106,7 @@ func (p *PointGetPlan) ExplainInfo() string { // ExplainNormalizedInfo implements Plan interface. func (p *PointGetPlan) ExplainNormalizedInfo() string { - accessObject, operatorInfo := p.AccessObject(), p.OperatorInfo(true) + accessObject, operatorInfo := p.AccessObject(true), p.OperatorInfo(true) if len(operatorInfo) == 0 { return accessObject } @@ -114,12 +114,16 @@ func (p *PointGetPlan) ExplainNormalizedInfo() string { } // AccessObject implements dataAccesser interface. -func (p *PointGetPlan) AccessObject() string { +func (p *PointGetPlan) AccessObject(normalized bool) string { buffer := bytes.NewBufferString("") tblName := p.TblInfo.Name.O fmt.Fprintf(buffer, "table:%s", tblName) if p.PartitionInfo != nil { - fmt.Fprintf(buffer, ", partition:%s", p.PartitionInfo.Name.L) + if normalized { + fmt.Fprintf(buffer, ", partition:?") + } else { + fmt.Fprintf(buffer, ", partition:%s", p.PartitionInfo.Name.L) + } } if p.IndexInfo != nil { if p.IndexInfo.Primary && p.TblInfo.IsCommonHandle { @@ -278,16 +282,16 @@ func (p *BatchPointGetPlan) ToPB(ctx sessionctx.Context, _ kv.StoreType) (*tipb. // ExplainInfo implements Plan interface. func (p *BatchPointGetPlan) ExplainInfo() string { - return p.AccessObject() + ", " + p.OperatorInfo(false) + return p.AccessObject(false) + ", " + p.OperatorInfo(false) } // ExplainNormalizedInfo implements Plan interface. func (p *BatchPointGetPlan) ExplainNormalizedInfo() string { - return p.AccessObject() + ", " + p.OperatorInfo(true) + return p.AccessObject(true) + ", " + p.OperatorInfo(true) } // AccessObject implements physicalScan interface. -func (p *BatchPointGetPlan) AccessObject() string { +func (p *BatchPointGetPlan) AccessObject(_ bool) string { buffer := bytes.NewBufferString("") tblName := p.TblInfo.Name.O fmt.Fprintf(buffer, "table:%s", tblName) diff --git a/planner/core/testdata/plan_normalized_suite_in.json b/planner/core/testdata/plan_normalized_suite_in.json index 35be2bd8b28bb..c468178f2f71d 100644 --- a/planner/core/testdata/plan_normalized_suite_in.json +++ b/planner/core/testdata/plan_normalized_suite_in.json @@ -24,7 +24,12 @@ "delete from t1", "delete from t1 where a>0 and b=1 and c!=2", "create table t1_tmp (a int)", - "alter table t1_tmp add column c int" + "alter table t1_tmp add column c int", + "insert into t3 values (4,20),(30,30)", + "select * from t3 where a=4", + "select * from t3 where a=30", + "select * from t4 where a=10", + "select * from t4 where a=20" ] }, { diff --git a/planner/core/testdata/plan_normalized_suite_out.json b/planner/core/testdata/plan_normalized_suite_out.json index 772df0dd67108..e37cbcf5a2003 100644 --- a/planner/core/testdata/plan_normalized_suite_out.json +++ b/planner/core/testdata/plan_normalized_suite_out.json @@ -197,6 +197,40 @@ "Plan": [ "" ] + }, + { + "SQL": "insert into t3 values (4,20),(30,30)", + "Plan": [ + "" + ] + }, + { + "SQL": "select * from t3 where a=4", + "Plan": [ + " Point_Get root table:t3, partition:?, handle:?" + ] + }, + { + "SQL": "select * from t3 where a=30", + "Plan": [ + " Point_Get root table:t3, partition:?, handle:?" + ] + }, + { + "SQL": "select * from t4 where a=10", + "Plan": [ + " IndexLookUp root ", + " ├─IndexScan cop table:t4, partition:?, index:a(a), range:[?,?], keep order:false", + " └─TableScan cop table:t4, partition:?, keep order:false" + ] + }, + { + "SQL": "select * from t4 where a=20", + "Plan": [ + " IndexLookUp root ", + " ├─IndexScan cop table:t4, partition:?, index:a(a), range:[?,?], keep order:false", + " └─TableScan cop table:t4, partition:?, keep order:false" + ] } ] }, From 86188c6a9cb0e615fbd5decf606876034a7f36c6 Mon Sep 17 00:00:00 2001 From: xhe Date: Tue, 3 Nov 2020 10:55:25 +0800 Subject: [PATCH 0123/1021] ddl: stable placement cache test (#20770) Signed-off-by: xhe --- ddl/placement_sql_test.go | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/ddl/placement_sql_test.go b/ddl/placement_sql_test.go index 70f5e1942cb8a..fba9b6962fbd2 100644 --- a/ddl/placement_sql_test.go +++ b/ddl/placement_sql_test.go @@ -294,26 +294,26 @@ func (s *testDBSuite1) TestPlacementPolicyCache(c *C) { partDefs := tb.Meta().GetPartitionInfo().Definitions rows := []string{} - for _, v := range partDefs { + for k, v := range partDefs { ptID := placement.GroupID(v.ID) bundles[ptID] = &placement.Bundle{ ID: ptID, - Rules: []*placement.Rule{{ID: "default"}}, + Rules: []*placement.Rule{{Count: k}}, } - rows = append(rows, fmt.Sprintf("%s 0 default test t1 %s 0 ", ptID, v.Name.L)) + rows = append(rows, fmt.Sprintf("%s 0 test t1 %s %d ", ptID, v.Name.L, k)) } return rows } // test drop rows := initTable() - tk.MustQuery("select * from information_schema.placement_policy").Check(testkit.Rows(rows...)) + tk.MustQuery("select * from information_schema.placement_policy order by REPLICAS").Check(testkit.Rows(rows...)) tk.MustExec("drop table t1") tk.MustQuery("select * from information_schema.placement_policy").Check(testkit.Rows()) // test truncate rows = initTable() - tk.MustQuery("select * from information_schema.placement_policy").Check(testkit.Rows(rows...)) + tk.MustQuery("select * from information_schema.placement_policy order by REPLICAS").Check(testkit.Rows(rows...)) tk.MustExec("truncate table t1") tk.MustQuery("select * from information_schema.placement_policy").Check(testkit.Rows()) } From f1c464a86a71184f0e9478c56bab8c25f5bb6f3d Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Tue, 3 Nov 2020 11:35:39 +0800 Subject: [PATCH 0124/1021] collation: add utf8mb4_zh_pinyin_tidb_as_cs collation interface (#20504) --- ddl/serial_test.go | 1 + executor/seqtest/seq_executor_test.go | 1 + expression/distsql_builtin_test.go | 1 + expression/expr_to_pb.go | 11 +-- expression/expr_to_pb_test.go | 2 + go.mod | 1 - go.sum | 3 - store/mockstore/mocktikv/cop_handler_dag.go | 2 +- .../unistore/cophandler/cop_handler.go | 2 +- util/collate/collate.go | 79 ++++++++++++++++--- util/collate/collate_test.go | 4 + util/collate/general_ci.go | 9 --- util/collate/pinyin_tidb_as_cs.go | 33 ++++++++ util/collate/unicode_ci.go | 36 --------- 14 files changed, 116 insertions(+), 69 deletions(-) create mode 100644 util/collate/pinyin_tidb_as_cs.go diff --git a/ddl/serial_test.go b/ddl/serial_test.go index c54db5cf44dfa..698dbdff179d6 100644 --- a/ddl/serial_test.go +++ b/ddl/serial_test.go @@ -1285,6 +1285,7 @@ func (s *testSerialSuite) TestModifyingColumn4NewCollations(c *C) { tk.MustExec("alter table t collate utf8mb4_general_ci") tk.MustExec("alter table t charset utf8mb4 collate utf8mb4_bin") tk.MustExec("alter table t charset utf8mb4 collate utf8mb4_unicode_ci") + tk.MustExec("alter table t charset utf8mb4 collate utf8mb4_zh_pinyin_tidb_as_cs") // Change the default collation of database is allowed. tk.MustExec("alter database dct charset utf8mb4 collate utf8mb4_general_ci") } diff --git a/executor/seqtest/seq_executor_test.go b/executor/seqtest/seq_executor_test.go index 80a106173d4fa..e5dee5a93620f 100644 --- a/executor/seqtest/seq_executor_test.go +++ b/executor/seqtest/seq_executor_test.go @@ -1240,6 +1240,7 @@ func (s *seqTestSuite) TestShowForNewCollations(c *C) { "utf8mb4_bin utf8mb4 46 Yes Yes 1", "utf8mb4_general_ci utf8mb4 45 Yes 1", "utf8mb4_unicode_ci utf8mb4 224 Yes 1", + "utf8mb4_zh_pinyin_tidb_as_cs utf8mb4 2048 Yes 1", ) tk.MustQuery("show collation").Check(expectRows) tk.MustQuery("select * from information_schema.COLLATIONS").Check(expectRows) diff --git a/expression/distsql_builtin_test.go b/expression/distsql_builtin_test.go index a438ea80a65d7..20ff67e5792f5 100644 --- a/expression/distsql_builtin_test.go +++ b/expression/distsql_builtin_test.go @@ -56,6 +56,7 @@ func (s *testEvalSerialSuite) TestPBToExprWithNewCollation(c *C) { {"some_error_collation", "utf8mb4_bin", 46, 46}, {"utf8_unicode_ci", "utf8_unicode_ci", 192, 192}, {"utf8mb4_unicode_ci", "utf8mb4_unicode_ci", 224, 224}, + {"utf8mb4_zh_pinyin_tidb_as_cs", "utf8mb4_zh_pinyin_tidb_as_cs", 2048, 2048}, } for _, cs := range cases { diff --git a/expression/expr_to_pb.go b/expression/expr_to_pb.go index b932bb04f24d2..223f71df311e8 100644 --- a/expression/expr_to_pb.go +++ b/expression/expr_to_pb.go @@ -17,6 +17,7 @@ import ( "github.com/gogo/protobuf/proto" "github.com/pingcap/errors" "github.com/pingcap/failpoint" + "github.com/pingcap/parser/charset" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx/stmtctx" @@ -174,8 +175,8 @@ func FieldTypeFromPB(ft *tipb.FieldType) *types.FieldType { } func collationToProto(c string) int32 { - if v, ok := mysql.CollationNames[c]; ok { - return collate.RewriteNewCollationIDIfNeeded(int32(v)) + if coll, err := charset.GetCollationByName(c); err == nil { + return collate.RewriteNewCollationIDIfNeeded(int32(coll.ID)) } v := collate.RewriteNewCollationIDIfNeeded(int32(mysql.DefaultCollationID)) logutil.BgLogger().Warn( @@ -188,9 +189,9 @@ func collationToProto(c string) int32 { } func protoToCollation(c int32) string { - v, ok := mysql.Collations[uint8(collate.RestoreCollationIDIfNeeded(c))] - if ok { - return v + coll, err := charset.GetCollationByID(int(collate.RestoreCollationIDIfNeeded(c))) + if err == nil { + return coll.Name } logutil.BgLogger().Warn( "Unable to get collation name from ID, use name of the default collation instead", diff --git a/expression/expr_to_pb_test.go b/expression/expr_to_pb_test.go index 4daeb88e0939a..bbfe7ee6853d6 100644 --- a/expression/expr_to_pb_test.go +++ b/expression/expr_to_pb_test.go @@ -789,6 +789,7 @@ func (s *testEvaluatorSerialSuites) TestNewCollationsEnabled(c *C) { colExprs = append(colExprs, columnCollation(dg.genColumn(mysql.TypeString, 4), "utf8mb4_0900_ai_ci")) colExprs = append(colExprs, columnCollation(dg.genColumn(mysql.TypeVarchar, 5), "utf8_bin")) colExprs = append(colExprs, columnCollation(dg.genColumn(mysql.TypeVarchar, 6), "utf8_unicode_ci")) + colExprs = append(colExprs, columnCollation(dg.genColumn(mysql.TypeVarchar, 7), "utf8mb4_zh_pinyin_tidb_as_cs")) pushed, _ := PushDownExprs(sc, colExprs, client, kv.UnSpecified) c.Assert(len(pushed), Equals, len(colExprs)) pbExprs, err := ExpressionsToPBList(sc, colExprs, client) @@ -800,6 +801,7 @@ func (s *testEvaluatorSerialSuites) TestNewCollationsEnabled(c *C) { "{\"tp\":201,\"val\":\"gAAAAAAAAAQ=\",\"sig\":0,\"field_type\":{\"tp\":254,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-255,\"charset\":\"\"}}", "{\"tp\":201,\"val\":\"gAAAAAAAAAU=\",\"sig\":0,\"field_type\":{\"tp\":15,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-83,\"charset\":\"\"}}", "{\"tp\":201,\"val\":\"gAAAAAAAAAY=\",\"sig\":0,\"field_type\":{\"tp\":15,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-192,\"charset\":\"\"}}", + "{\"tp\":201,\"val\":\"gAAAAAAAAAc=\",\"sig\":0,\"field_type\":{\"tp\":15,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":-2048,\"charset\":\"\"}}", } for i, pbExpr := range pbExprs { c.Assert(pbExprs, NotNil) diff --git a/go.mod b/go.mod index cccb22660fdce..44d669a1aa456 100644 --- a/go.mod +++ b/go.mod @@ -1,7 +1,6 @@ module github.com/pingcap/tidb require ( - cloud.google.com/go v0.51.0 // indirect github.com/BurntSushi/toml v0.3.1 github.com/HdrHistogram/hdrhistogram-go v0.9.0 // indirect github.com/Jeffail/gabs/v2 v2.5.1 diff --git a/go.sum b/go.sum index d359eea653113..cf2cb1bc3386f 100644 --- a/go.sum +++ b/go.sum @@ -6,8 +6,6 @@ cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxK cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc= cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0= cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To= -cloud.google.com/go v0.51.0 h1:PvKAVQWCtlGUSlZkGW3QLelKaWq7KYv/MW1EboG8bfM= -cloud.google.com/go v0.51.0/go.mod h1:hWtGJ6gnXH+KgDv+V0zFGDvpi07n3z8ZNj3T1RW0Gcw= cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o= cloud.google.com/go/bigquery v1.3.0 h1:sAbMqjY1PEQKZBWfbu6Y6bsupJ9c4QdHnzg/VvYTLcE= cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE= @@ -217,7 +215,6 @@ github.com/google/martian v2.1.0+incompatible h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPg github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs= github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= -github.com/google/pprof v0.0.0-20191218002539-d4f498aebedc/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM= github.com/google/pprof v0.0.0-20200407044318-7d83b28da2e9 h1:K+lX49/3eURCE1IjlaZN//u6c+9nfDAMnyQ9E2dsJbY= github.com/google/pprof v0.0.0-20200407044318-7d83b28da2e9/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM= github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI= diff --git a/store/mockstore/mocktikv/cop_handler_dag.go b/store/mockstore/mocktikv/cop_handler_dag.go index 8c8874fab2094..d020d058467ee 100644 --- a/store/mockstore/mocktikv/cop_handler_dag.go +++ b/store/mockstore/mocktikv/cop_handler_dag.go @@ -925,6 +925,6 @@ func fieldTypeFromPBColumn(col *tipb.ColumnInfo) *types.FieldType { Flen: int(col.GetColumnLen()), Decimal: int(col.GetDecimal()), Elems: col.Elems, - Collate: mysql.Collations[uint8(collate.RestoreCollationIDIfNeeded(col.GetCollation()))], + Collate: collate.CollationID2Name(collate.RestoreCollationIDIfNeeded(col.GetCollation())), } } diff --git a/store/mockstore/unistore/cophandler/cop_handler.go b/store/mockstore/unistore/cophandler/cop_handler.go index 89f169d6008ce..f9fc3045d3c00 100644 --- a/store/mockstore/unistore/cophandler/cop_handler.go +++ b/store/mockstore/unistore/cophandler/cop_handler.go @@ -419,7 +419,7 @@ func fieldTypeFromPBColumn(col *tipb.ColumnInfo) *types.FieldType { Flen: int(col.GetColumnLen()), Decimal: int(col.GetDecimal()), Elems: col.Elems, - Collate: mysql.Collations[uint8(collate.RestoreCollationIDIfNeeded(col.GetCollation()))], + Collate: collate.CollationID2Name(collate.RestoreCollationIDIfNeeded(col.GetCollation())), } } diff --git a/util/collate/collate.go b/util/collate/collate.go index 54d8f5f44e953..1cdf88529e147 100644 --- a/util/collate/collate.go +++ b/util/collate/collate.go @@ -44,9 +44,17 @@ var ( ErrIllegalMix3Collation = dbterror.ClassExpression.NewStd(mysql.ErrCantAggregate3collations) ) -// DefaultLen is set for datum if the string datum don't know its length. const ( + // DefaultLen is set for datum if the string datum don't know its length. DefaultLen = 0 + // first byte of a 2-byte encoding starts 110 and carries 5 bits of data + b2Mask = 0x1F // 0001 1111 + // first byte of a 3-byte encoding starts 1110 and carries 4 bits of data + b3Mask = 0x0F // 0000 1111 + // first byte of a 4-byte encoding starts 11110 and carries 3 bits of data + b4Mask = 0x07 // 0000 0111 + // non-first bytes start 10 and carry 6 bits of data + mbMask = 0x3F // 0011 1111 ) // Collator provides functionality for comparing strings for a given @@ -164,8 +172,8 @@ func GetCollatorByID(id int) Collator { // CollationID2Name return the collation name by the given id. // If the id is not found in the map, the default collation is returned. func CollationID2Name(id int32) string { - name, ok := mysql.Collations[uint8(id)] - if !ok { + collation, err := charset.GetCollationByID(int(id)) + if err != nil { // TODO(bb7133): fix repeating logs when the following code is uncommented. //logutil.BgLogger().Warn( // "Unable to get collation name from ID, use default collation instead.", @@ -173,7 +181,16 @@ func CollationID2Name(id int32) string { // zap.Stack("stack")) return mysql.DefaultCollationName } - return name + return collation.Name +} + +// CollationName2ID return the collation id by the given name. +// If the name is not found in the map, the default collation id is returned +func CollationName2ID(name string) int { + if coll, err := charset.GetCollationByName(name); err == nil { + return coll.ID + } + return mysql.DefaultCollationID } // GetCollationByName wraps charset.GetCollationByName, it checks the collation. @@ -221,6 +238,40 @@ func truncateTailingSpace(str string) string { return str } +func sign(i int) int { + if i < 0 { + return -1 + } else if i > 0 { + return 1 + } + return 0 +} + +// decode rune by hand +func decodeRune(s string, si int) (r rune, newIndex int) { + switch b := s[si]; { + case b < 0x80: + r = rune(b) + newIndex = si + 1 + case b < 0xE0: + r = rune(b&b2Mask)<<6 | + rune(s[1+si]&mbMask) + newIndex = si + 2 + case b < 0xF0: + r = rune(b&b3Mask)<<12 | + rune(s[si+1]&mbMask)<<6 | + rune(s[si+2]&mbMask) + newIndex = si + 3 + default: + r = rune(b&b4Mask)<<18 | + rune(s[si+1]&mbMask)<<12 | + rune(s[si+2]&mbMask)<<6 | + rune(s[si+3]&mbMask) + newIndex = si + 4 + } + return +} + // IsCICollation returns if the collation is case-sensitive func IsCICollation(collate string) bool { return collate == "utf8_general_ci" || collate == "utf8mb4_general_ci" || @@ -232,21 +283,23 @@ func init() { newCollatorIDMap = make(map[int]Collator) newCollatorMap["binary"] = &binCollator{} - newCollatorIDMap[int(mysql.CollationNames["binary"])] = &binCollator{} + newCollatorIDMap[CollationName2ID("binary")] = &binCollator{} newCollatorMap["ascii_bin"] = &binPaddingCollator{} - newCollatorIDMap[int(mysql.CollationNames["ascii_bin"])] = &binPaddingCollator{} + newCollatorIDMap[CollationName2ID("ascii_bin")] = &binPaddingCollator{} newCollatorMap["latin1_bin"] = &binPaddingCollator{} - newCollatorIDMap[int(mysql.CollationNames["latin1_bin"])] = &binPaddingCollator{} + newCollatorIDMap[CollationName2ID("latin1_bin")] = &binPaddingCollator{} newCollatorMap["utf8mb4_bin"] = &binPaddingCollator{} - newCollatorIDMap[int(mysql.CollationNames["utf8mb4_bin"])] = &binPaddingCollator{} + newCollatorIDMap[CollationName2ID("utf8mb4_bin")] = &binPaddingCollator{} newCollatorMap["utf8_bin"] = &binPaddingCollator{} - newCollatorIDMap[int(mysql.CollationNames["utf8_bin"])] = &binPaddingCollator{} + newCollatorIDMap[CollationName2ID("utf8_bin")] = &binPaddingCollator{} newCollatorMap["utf8mb4_general_ci"] = &generalCICollator{} - newCollatorIDMap[int(mysql.CollationNames["utf8mb4_general_ci"])] = &generalCICollator{} + newCollatorIDMap[CollationName2ID("utf8mb4_general_ci")] = &generalCICollator{} newCollatorMap["utf8_general_ci"] = &generalCICollator{} - newCollatorIDMap[int(mysql.CollationNames["utf8_general_ci"])] = &generalCICollator{} + newCollatorIDMap[CollationName2ID("utf8_general_ci")] = &generalCICollator{} newCollatorMap["utf8mb4_unicode_ci"] = &unicodeCICollator{} - newCollatorIDMap[int(mysql.CollationNames["utf8mb4_unicode_ci"])] = &unicodeCICollator{} + newCollatorIDMap[CollationName2ID("utf8mb4_unicode_ci")] = &unicodeCICollator{} newCollatorMap["utf8_unicode_ci"] = &unicodeCICollator{} - newCollatorIDMap[int(mysql.CollationNames["utf8_unicode_ci"])] = &unicodeCICollator{} + newCollatorIDMap[CollationName2ID("utf8_unicode_ci")] = &unicodeCICollator{} + newCollatorMap["utf8mb4_zh_pinyin_tidb_as_cs"] = &zhPinyinTiDBASCSCollator{} + newCollatorIDMap[CollationName2ID("utf8mb4_zh_pinyin_tidb_as_cs")] = &zhPinyinTiDBASCSCollator{} } diff --git a/util/collate/collate_test.go b/util/collate/collate_test.go index 07981c4bfa3d6..1da50af005ce8 100644 --- a/util/collate/collate_test.go +++ b/util/collate/collate_test.go @@ -198,6 +198,7 @@ func (s *testCollateSuite) TestGetCollator(c *C) { c.Assert(GetCollator("utf8_general_ci"), FitsTypeOf, &generalCICollator{}) c.Assert(GetCollator("utf8mb4_unicode_ci"), FitsTypeOf, &unicodeCICollator{}) c.Assert(GetCollator("utf8_unicode_ci"), FitsTypeOf, &unicodeCICollator{}) + c.Assert(GetCollator("utf8mb4_zh_pinyin_tidb_as_cs"), FitsTypeOf, &zhPinyinTiDBASCSCollator{}) c.Assert(GetCollator("default_test"), FitsTypeOf, &binPaddingCollator{}) c.Assert(GetCollatorByID(63), FitsTypeOf, &binCollator{}) c.Assert(GetCollatorByID(46), FitsTypeOf, &binPaddingCollator{}) @@ -206,6 +207,7 @@ func (s *testCollateSuite) TestGetCollator(c *C) { c.Assert(GetCollatorByID(33), FitsTypeOf, &generalCICollator{}) c.Assert(GetCollatorByID(224), FitsTypeOf, &unicodeCICollator{}) c.Assert(GetCollatorByID(192), FitsTypeOf, &unicodeCICollator{}) + c.Assert(GetCollatorByID(2048), FitsTypeOf, &zhPinyinTiDBASCSCollator{}) c.Assert(GetCollatorByID(9999), FitsTypeOf, &binPaddingCollator{}) SetNewCollationEnabledForTest(false) @@ -216,6 +218,7 @@ func (s *testCollateSuite) TestGetCollator(c *C) { c.Assert(GetCollator("utf8_general_ci"), FitsTypeOf, &binCollator{}) c.Assert(GetCollator("utf8mb4_unicode_ci"), FitsTypeOf, &binCollator{}) c.Assert(GetCollator("utf8_unicode_ci"), FitsTypeOf, &binCollator{}) + c.Assert(GetCollator("utf8mb4_zh_pinyin_tidb_as_cs"), FitsTypeOf, &binCollator{}) c.Assert(GetCollator("default_test"), FitsTypeOf, &binCollator{}) c.Assert(GetCollatorByID(63), FitsTypeOf, &binCollator{}) c.Assert(GetCollatorByID(46), FitsTypeOf, &binCollator{}) @@ -224,5 +227,6 @@ func (s *testCollateSuite) TestGetCollator(c *C) { c.Assert(GetCollatorByID(33), FitsTypeOf, &binCollator{}) c.Assert(GetCollatorByID(224), FitsTypeOf, &binCollator{}) c.Assert(GetCollatorByID(192), FitsTypeOf, &binCollator{}) + c.Assert(GetCollatorByID(2048), FitsTypeOf, &binCollator{}) c.Assert(GetCollatorByID(9999), FitsTypeOf, &binCollator{}) } diff --git a/util/collate/general_ci.go b/util/collate/general_ci.go index da60ef5f8b2fc..77f7204c5bba3 100644 --- a/util/collate/general_ci.go +++ b/util/collate/general_ci.go @@ -20,15 +20,6 @@ import ( type generalCICollator struct { } -func sign(i int) int { - if i < 0 { - return -1 - } else if i > 0 { - return 1 - } - return 0 -} - // compilePatternGeneralCI handles escapes and wild cards, generate pattern weights and types. // This function is modified from stringutil.CompilePattern. func compilePatternGeneralCI(pattern string, escape byte) (patWeights []uint16, patTypes []byte) { diff --git a/util/collate/pinyin_tidb_as_cs.go b/util/collate/pinyin_tidb_as_cs.go new file mode 100644 index 0000000000000..565680e2cff56 --- /dev/null +++ b/util/collate/pinyin_tidb_as_cs.go @@ -0,0 +1,33 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package collate + +// Collation of utf8mb4_zh_pinyin_tidb_as_cs +type zhPinyinTiDBASCSCollator struct { +} + +// Collator interface, no implements now. +func (py *zhPinyinTiDBASCSCollator) Compare(a, b string) int { + panic("implement me") +} + +// Collator interface, no implements now. +func (py *zhPinyinTiDBASCSCollator) Key(str string) []byte { + panic("implement me") +} + +// Collator interface, no implements now. +func (py *zhPinyinTiDBASCSCollator) Pattern() WildcardPattern { + panic("implement me") +} diff --git a/util/collate/unicode_ci.go b/util/collate/unicode_ci.go index fd3d57799d9ee..d03b169fee9e9 100644 --- a/util/collate/unicode_ci.go +++ b/util/collate/unicode_ci.go @@ -20,44 +20,8 @@ import ( const ( // magic number indicate weight has 2 uint64, should get from `longRuneMap` longRune uint64 = 0xFFFD - // first byte of a 2-byte encoding starts 110 and carries 5 bits of data - b2Mask = 0x1F // 0001 1111 - - // first byte of a 3-byte encoding starts 1110 and carries 4 bits of data - b3Mask = 0x0F // 0000 1111 - - // first byte of a 4-byte encoding starts 11110 and carries 3 bits of data - b4Mask = 0x07 // 0000 0111 - - // non-first bytes start 10 and carry 6 bits of data - mbMask = 0x3F // 0011 1111 ) -// decode rune by hand -func decodeRune(s string, si int) (r rune, newIndex int) { - switch b := s[si]; { - case b < 0x80: - r = rune(b) - newIndex = si + 1 - case b < 0xE0: - r = rune(b&b2Mask)<<6 | - rune(s[1+si]&mbMask) - newIndex = si + 2 - case b < 0xF0: - r = rune(b&b3Mask)<<12 | - rune(s[si+1]&mbMask)<<6 | - rune(s[si+2]&mbMask) - newIndex = si + 3 - default: - r = rune(b&b4Mask)<<18 | - rune(s[si+1]&mbMask)<<12 | - rune(s[si+2]&mbMask)<<6 | - rune(s[si+3]&mbMask) - newIndex = si + 4 - } - return -} - // unicodeCICollator implements UCA. see http://unicode.org/reports/tr10/ type unicodeCICollator struct { } From 52c5a10fef3cbec237a0d41ea0c3b123e0a56a3d Mon Sep 17 00:00:00 2001 From: Rain Li Date: Tue, 3 Nov 2020 12:07:11 +0800 Subject: [PATCH 0125/1021] ddl, ci: force domain to reload schema before execute SQL. (#19580) --- ddl/db_change_test.go | 6 ++++++ ddl/db_test.go | 3 +++ 2 files changed, 9 insertions(+) diff --git a/ddl/db_change_test.go b/ddl/db_change_test.go index a256073727077..7a31803d10bc6 100644 --- a/ddl/db_change_test.go +++ b/ddl/db_change_test.go @@ -67,6 +67,11 @@ type testStateChangeSuiteBase struct { preSQL string } +func forceReloadDomain(sess session.Session) { + dom := domain.GetDomain(sess) + dom.Reload() +} + func (s *testStateChangeSuiteBase) SetUpSuite(c *C) { s.lease = 200 * time.Millisecond ddl.SetWaitTimeWhenErrorOccurred(1 * time.Microsecond) @@ -824,6 +829,7 @@ func (s *testStateChangeSuiteBase) runTestInSchemaState(c *C, state model.Schema if job.SchemaState != state { return } + forceReloadDomain(se) for _, sqlWithErr := range sqlWithErrs { _, err = se.Execute(context.Background(), sqlWithErr.sql) if !terror.ErrorEqual(err, sqlWithErr.expectErr) { diff --git a/ddl/db_test.go b/ddl/db_test.go index 0f4065f0f84a4..3afae4740a5bc 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -2074,6 +2074,7 @@ LOOP: case <-ticker.C: // delete some rows, and add some data for i := num; i < num+step; i++ { + forceReloadDomain(tk.Se) n := rand.Intn(num) tk.MustExec("begin") tk.MustExec("delete from t2 where c1 = ?", n) @@ -4673,6 +4674,7 @@ func (s *testSerialDBSuite) TestModifyColumnCharset(c *C) { tk.MustExec("create table t_mcc(a varchar(8) charset utf8, b varchar(8) charset utf8)") defer s.mustExec(tk, c, "drop table t_mcc;") + forceReloadDomain(tk.Se) result := tk.MustQuery(`show create table t_mcc`) result.Check(testkit.Rows( "t_mcc CREATE TABLE `t_mcc` (\n" + @@ -5671,6 +5673,7 @@ func (s *testDBSuite4) testParallelExecSQL(c *C, sql1, sql2 string, se1, se2 ses func checkTableLock(c *C, se session.Session, dbName, tableName string, lockTp model.TableLockType) { tb := testGetTableByName(c, se, dbName, tableName) dom := domain.GetDomain(se) + dom.Reload() if lockTp != model.TableLockNone { c.Assert(tb.Meta().Lock, NotNil) c.Assert(tb.Meta().Lock.Tp, Equals, lockTp) From c316689a37475dfc1d436b4c9dada21e8abbfb55 Mon Sep 17 00:00:00 2001 From: JaySon Date: Mon, 2 Nov 2020 22:15:20 -0600 Subject: [PATCH 0126/1021] ddl: Add a failpoint for TiFlash integration tests of column-type-change (#20122) --- ddl/column.go | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/ddl/column.go b/ddl/column.go index 216772e0cd046..1603bb502f150 100644 --- a/ddl/column.go +++ b/ddl/column.go @@ -926,6 +926,11 @@ func (w *worker) doModifyColumnTypeWithData( return ver, errors.Trace(err) } + // Inject a failpoint so that we can pause here and do verification on other components. + // With a failpoint-enabled version of TiDB, you can trigger this failpoint by the following command: + // enable: curl -X PUT -d "pause" "http://127.0.0.1:10080/fail/github.com/pingcap/tidb/ddl/mockDelayInModifyColumnTypeWithData". + // disable: curl -X DELETE "http://127.0.0.1:10080/fail/github.com/pingcap/tidb/ddl/mockDelayInModifyColumnTypeWithData" + failpoint.Inject("mockDelayInModifyColumnTypeWithData", func() {}) err = w.runReorgJob(t, reorgInfo, tbl.Meta(), d.lease, func() (addIndexErr error) { defer util.Recover(metrics.LabelDDL, "onModifyColumn", func() { From a5816986398a7de2ccfa939b9ec3ad6887492004 Mon Sep 17 00:00:00 2001 From: Iosmanthus Teng Date: Tue, 3 Nov 2020 12:38:40 +0800 Subject: [PATCH 0127/1021] *: fix grpc's client endpoint's hard-coded port number (#20715) Signed-off-by: iosmanthus --- go.sum | 1 + owner/fail_test.go | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/go.sum b/go.sum index cf2cb1bc3386f..7f4bf53147ccd 100644 --- a/go.sum +++ b/go.sum @@ -493,6 +493,7 @@ github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM= github.com/sasha-s/go-deadlock v0.2.0/go.mod h1:StQn567HiB1fF2yJ44N9au7wOhrPS3iZqiDbRupzT10= github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0= +github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44 h1:tB9NOR21++IjLyVx3/PCPhWMwqGNCMQEH96A6dMZ/gc= github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= github.com/shirou/gopsutil v2.19.10+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA= github.com/shirou/gopsutil v2.20.3+incompatible h1:0JVooMPsT7A7HqEYdydp/OfjSOYSjhXV7w1hkKj/NPQ= diff --git a/owner/fail_test.go b/owner/fail_test.go index 63130d2b3b464..4483c6a55a438 100644 --- a/owner/fail_test.go +++ b/owner/fail_test.go @@ -16,6 +16,7 @@ package owner import ( "context" + "fmt" "math" "net" "os" @@ -53,13 +54,14 @@ func (s *testSuite) TearDownSuite(c *C) { } var ( - endpoints = []string{"unix://new_session:12379"} dialTimeout = 5 * time.Second retryCnt = math.MaxInt32 ) func (s *testSuite) TestFailNewSession(c *C) { ln, err := net.Listen("unix", "new_session:0") + addr := ln.Addr() + endpoints := []string{fmt.Sprintf("%s://%s", addr.Network(), addr.String())} c.Assert(err, IsNil) srv := grpc.NewServer(grpc.ConnectionTimeout(time.Minute)) var stop sync.WaitGroup From 3b4ba35e289df507f828d7c0a787835360a4280a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A8=8B=E5=BA=8F=E5=91=98=E5=B0=8F=E7=8E=8B=28troy=29?= Date: Tue, 3 Nov 2020 12:52:44 +0800 Subject: [PATCH 0128/1021] DDL: create table should not allow explicit empty name index (#20617) --- go.mod | 2 +- go.sum | 4 ++-- planner/core/preprocess.go | 8 ++++++++ planner/core/preprocess_test.go | 9 +++++++++ 4 files changed, 20 insertions(+), 3 deletions(-) diff --git a/go.mod b/go.mod index 44d669a1aa456..8e55d9c9e5fcf 100644 --- a/go.mod +++ b/go.mod @@ -52,7 +52,7 @@ require ( github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20201023092649-e6d6090277c9 github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 - github.com/pingcap/parser v0.0.0-20201028030005-1328d877c9f3 + github.com/pingcap/parser v0.0.0-20201030090627-3d18e257aed6 github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f diff --git a/go.sum b/go.sum index 7f4bf53147ccd..6ebe07e8f4d4f 100644 --- a/go.sum +++ b/go.sum @@ -443,8 +443,8 @@ github.com/pingcap/log v0.0.0-20200117041106-d28c14d3b1cd/go.mod h1:4rbK1p9ILyIf github.com/pingcap/log v0.0.0-20200511115504-543df19646ad/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 h1:Jboj+s4jSCp5E1WDgmRUv5rIFKFHaaSWuSZ4wMwXIcc= github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= -github.com/pingcap/parser v0.0.0-20201028030005-1328d877c9f3 h1:dfdPB1Ot9cNki/hVUgWFUiM8b05b5JCw7Oq9x6HaDeM= -github.com/pingcap/parser v0.0.0-20201028030005-1328d877c9f3/go.mod h1:74+OEdwM4B/jMpBRl92ch6CSmSYkQtv2TNxIjFdT/GE= +github.com/pingcap/parser v0.0.0-20201030090627-3d18e257aed6 h1:bNO9e9i741BrO/ImHelgHh+UKpHMbiYE1+pqty5YMzU= +github.com/pingcap/parser v0.0.0-20201030090627-3d18e257aed6/go.mod h1:74+OEdwM4B/jMpBRl92ch6CSmSYkQtv2TNxIjFdT/GE= github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 h1:b2G/eqDeywtdJF3w9nIUdqMmXChsmpLvf4FzUxJ9Vmk= diff --git a/planner/core/preprocess.go b/planner/core/preprocess.go index 08796ef2dd371..9e8f7db171669 100644 --- a/planner/core/preprocess.go +++ b/planner/core/preprocess.go @@ -491,6 +491,10 @@ func (p *preprocessor) checkCreateTableGrammar(stmt *ast.CreateTableStmt) { p.err = err return } + if constraint.IsEmptyIndex { + p.err = ddl.ErrWrongNameForIndex.GenWithStackByArgs(constraint.Name) + return + } case ast.ConstraintPrimaryKey: if countPrimaryKey > 0 { p.err = infoschema.ErrMultiplePriKey @@ -646,6 +650,10 @@ func (p *preprocessor) checkCreateIndexGrammar(stmt *ast.CreateIndexStmt) { p.err = ddl.ErrWrongTableName.GenWithStackByArgs(tName) return } + if stmt.IndexName == "" { + p.err = ddl.ErrWrongNameForIndex.GenWithStackByArgs(stmt.IndexName) + return + } p.err = checkIndexInfo(stmt.IndexName, stmt.IndexPartSpecifications) } diff --git a/planner/core/preprocess_test.go b/planner/core/preprocess_test.go index 082c4e296f0d3..459952aee5cdd 100644 --- a/planner/core/preprocess_test.go +++ b/planner/core/preprocess_test.go @@ -255,6 +255,15 @@ func (s *testValidatorSuite) TestValidator(c *C) { {"CREATE TABLE origin (a int primary key auto_increment, b int);", false, nil}, {"CREATE TABLE origin (a int unique auto_increment, b int);", false, nil}, {"CREATE TABLE origin (a int key auto_increment, b int);", false, nil}, + + // issue 18149 + {"CREATE TABLE t (a int, index ``(a));", true, errors.New("[ddl:1280]Incorrect index name ''")}, + {"CREATE TABLE t (a int, b int, index ``((a+1), (b+1)));", true, errors.New("[ddl:1280]Incorrect index name ''")}, + {"CREATE TABLE t (a int, key ``(a));", true, errors.New("[ddl:1280]Incorrect index name ''")}, + {"CREATE TABLE t (a int, b int, key ``((a+1), (b+1)));", true, errors.New("[ddl:1280]Incorrect index name ''")}, + {"CREATE TABLE t (a int, index(a));", false, nil}, + {"CREATE INDEX `` on t (a);", true, errors.New("[ddl:1280]Incorrect index name ''")}, + {"CREATE INDEX `` on t ((lower(a)));", true, errors.New("[ddl:1280]Incorrect index name ''")}, } _, err := s.se.Execute(context.Background(), "use test") From 382bd9e0fd99dbfe6c151c3128d70a4f7430ebbc Mon Sep 17 00:00:00 2001 From: MyonKeminta <9948422+MyonKeminta@users.noreply.github.com> Date: Tue, 3 Nov 2020 13:11:40 +0800 Subject: [PATCH 0129/1021] txn: Support 1PC for transactions that only have one prewrite request (#20313) Signed-off-by: MyonKeminta --- config/config.go | 5 + config/config.toml.example | 3 + config/config_test.go | 2 + metrics/metrics.go | 1 + metrics/tikvclient.go | 8 + session/pessimistic_test.go | 49 +++++- store/tikv/1pc_test.go | 238 +++++++++++++++++++++++++++ store/tikv/2pc.go | 95 +++++++++-- store/tikv/async_commit_fail_test.go | 2 +- store/tikv/async_commit_test.go | 28 +++- store/tikv/prewrite.go | 41 ++++- 11 files changed, 452 insertions(+), 20 deletions(-) create mode 100644 store/tikv/1pc_test.go diff --git a/config/config.go b/config/config.go index 1d69d58fc7659..bc27cfbc77e09 100644 --- a/config/config.go +++ b/config/config.go @@ -498,6 +498,8 @@ type TiKVClient struct { // CommitTimeout is the max time which command 'commit' will wait. CommitTimeout string `toml:"commit-timeout" json:"commit-timeout"` AsyncCommit AsyncCommit `toml:"async-commit" json:"async-commit"` + // Allow TiDB try to use 1PC protocol to commit transactions that involves only one region. + EnableOnePC bool `toml:"enable-one-pc" json:"enable-one-pc"` // MaxBatchSize is the max batch size when calling batch commands API. MaxBatchSize uint `toml:"max-batch-size" json:"max-batch-size"` // If TiKV load is greater than this, TiDB will wait for a while to avoid little batch. @@ -533,6 +535,8 @@ type AsyncCommit struct { // on purpose. // The duration within which is safe for async commit or 1PC to commit with an old schema. // It is only changed in tests. + // TODO: 1PC is not part of async commit. These two fields should be moved to a more suitable + // place. SafeWindow time.Duration // The duration in addition to SafeWindow to make DDL safe. AllowedClockDrift time.Duration @@ -715,6 +719,7 @@ var defaultConf = Config{ SafeWindow: 2 * time.Second, AllowedClockDrift: 500 * time.Millisecond, }, + EnableOnePC: false, MaxBatchSize: 128, OverloadThreshold: 200, diff --git a/config/config.toml.example b/config/config.toml.example index 03af7b1922b35..387aba7921a0f 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -372,6 +372,9 @@ grpc-compression-type = "none" # Max time for commit command, must be twice bigger than raft election timeout. commit-timeout = "41s" +# Allow TiDB try to use 1PC protocol to commit transactions that involves only one region. +enable-one-pc = false + # Max batch size in gRPC. max-batch-size = 128 # Overload threshold of TiKV. diff --git a/config/config_test.go b/config/config_test.go index bce88c5cd2cdb..65eaf0c57f07d 100644 --- a/config/config_test.go +++ b/config/config_test.go @@ -201,6 +201,7 @@ max-batch-size=128 region-cache-ttl=6000 store-limit=0 ttl-refreshed-txn-size=8192 +enable-one-pc=true [tikv-client.async-commit] enable=true keys-limit=123 @@ -241,6 +242,7 @@ spilled-file-encryption-method = "plaintext" c.Assert(conf.TiKVClient.AsyncCommit.Enable, Equals, true) c.Assert(conf.TiKVClient.AsyncCommit.KeysLimit, Equals, uint(123)) c.Assert(conf.TiKVClient.AsyncCommit.TotalKeySizeLimit, Equals, uint64(1024)) + c.Assert(conf.TiKVClient.EnableOnePC, Equals, true) c.Assert(conf.TiKVClient.MaxBatchSize, Equals, uint(128)) c.Assert(conf.TiKVClient.RegionCacheTTL, Equals, uint(6000)) c.Assert(conf.TiKVClient.StoreLimit, Equals, int64(0)) diff --git a/metrics/metrics.go b/metrics/metrics.go index 835e8d411c1e4..ec013fd668600 100644 --- a/metrics/metrics.go +++ b/metrics/metrics.go @@ -170,6 +170,7 @@ func RegisterMetrics() { prometheus.MustRegister(TiKVTTLLifeTimeReachCounter) prometheus.MustRegister(TiKVNoAvailableConnectionCounter) prometheus.MustRegister(TiKVAsyncCommitTxnCounter) + prometheus.MustRegister(TiKVOnePCTxnCounter) prometheus.MustRegister(MaxProcs) prometheus.MustRegister(GOGC) } diff --git a/metrics/tikvclient.go b/metrics/tikvclient.go index b8edc1cabc28c..fc4cf0afb962d 100644 --- a/metrics/tikvclient.go +++ b/metrics/tikvclient.go @@ -285,4 +285,12 @@ var ( Name: "async_commit_txn_counter", Help: "Counter of async commit transactions.", }, []string{LblType}) + + TiKVOnePCTxnCounter = prometheus.NewCounterVec( + prometheus.CounterOpts{ + Namespace: "tidb", + Subsystem: "tikvclient", + Name: "one_pc_txn_counter", + Help: "Counter of 1PC transactions.", + }, []string{LblType}) ) diff --git a/session/pessimistic_test.go b/session/pessimistic_test.go index 4ba7b2da3e0b3..ed0419031c8fb 100644 --- a/session/pessimistic_test.go +++ b/session/pessimistic_test.go @@ -1978,7 +1978,7 @@ func (s *testPessimisticSuite) TestAsyncCommitWithSchemaChange(c *C) { defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { conf.TiKVClient.AsyncCommit.Enable = true - conf.TiKVClient.AsyncCommit.SafeWindow = 500 * time.Millisecond + conf.TiKVClient.AsyncCommit.SafeWindow = time.Second conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0 }) c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/beforeSchemaCheck", "return"), IsNil) @@ -2019,10 +2019,55 @@ func (s *testPessimisticSuite) TestAsyncCommitWithSchemaChange(c *C) { time.Sleep(200 * time.Millisecond) tk2.MustExec("alter table tk add index k2(c2)") }() - c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/beforePrewrite", "1*sleep(1000)"), IsNil) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/beforePrewrite", "1*sleep(1200)"), IsNil) // should fail if prewrite takes too long err := tk.ExecToErr("commit") c.Assert(err, ErrorMatches, ".*commit TS \\d+ is too large") c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/beforePrewrite"), IsNil) tk3.MustExec("admin check table tk") } + +func (s *testPessimisticSuite) Test1PCWithSchemaChange(c *C) { + // TODO: implement commit_ts calculation in unistore + if !*withTiKV { + return + } + + defer config.RestoreFunc()() + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.EnableOnePC = true + conf.TiKVClient.AsyncCommit.SafeWindow = time.Second + conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0 + }) + + tk := testkit.NewTestKitWithInit(c, s.store) + tk2 := testkit.NewTestKitWithInit(c, s.store) + tk3 := testkit.NewTestKitWithInit(c, s.store) + + tk.MustExec("drop table if exists tk") + tk.MustExec("create table tk (c1 int primary key, c2 int)") + + tk.MustExec("begin optimistic") + tk.MustExec("insert into tk values(2, 2)") + // Add index for c2 before commit + tk2.MustExec("alter table tk add index k2(c2)") + // key for c2 should be amended + tk.MustExec("commit") + tk3.MustQuery("select * from tk where c2 = 2").Check(testkit.Rows("2 2")) + tk3.MustExec("admin check table tk") + + tk.MustExec("drop table if exists tk") + tk.MustExec("create table tk (c1 int primary key, c2 int)") + tk.MustExec("begin optimistic") + tk.MustExec("insert into tk values(1, 1)") + go func() { + time.Sleep(200 * time.Millisecond) + tk2.MustExec("alter table tk add index k2(c2)") + }() + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/beforePrewrite", "1*sleep(1000)"), IsNil) + _ = tk.ExecToErr("commit") + // TODO: Check the error after supporting falling back to 2PC in TiKV. + // c.Assert(err, IsNil) + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/beforePrewrite"), IsNil) + tk3.MustExec("admin check table tk") +} diff --git a/store/tikv/1pc_test.go b/store/tikv/1pc_test.go new file mode 100644 index 0000000000000..c593364e089af --- /dev/null +++ b/store/tikv/1pc_test.go @@ -0,0 +1,238 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package tikv + +import ( + "context" + + . "github.com/pingcap/check" + "github.com/pingcap/tidb/config" + "github.com/pingcap/tidb/sessionctx" +) + +type testOnePCSuite struct { + OneByOneSuite + testAsyncCommitCommon + bo *Backoffer +} + +var _ = SerialSuites(&testOnePCSuite{}) + +func (s *testOnePCSuite) SetUpTest(c *C) { + s.testAsyncCommitCommon.setUpTest(c, true) + s.bo = NewBackofferWithVars(context.Background(), 5000, nil) +} + +func (s *testOnePCSuite) Test1PC(c *C) { + defer config.RestoreFunc()() + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.EnableOnePC = true + }) + + ctx := context.WithValue(context.Background(), sessionctx.ConnID, uint64(1)) + + k1 := []byte("k1") + v1 := []byte("v1") + + txn := s.begin(c) + err := txn.Set(k1, v1) + c.Assert(err, IsNil) + err = txn.Commit(ctx) + c.Assert(err, IsNil) + c.Assert(txn.committer.isOnePC(), IsTrue) + c.Assert(txn.committer.onePCCommitTS, Equals, txn.committer.commitTS) + c.Assert(txn.committer.onePCCommitTS, Greater, txn.startTS) + // ttlManager is not used for 1PC. + c.Assert(txn.committer.ttlManager.state, Equals, stateUninitialized) + + // 1PC doesn't work if connID == 0 + k2 := []byte("k2") + v2 := []byte("v2") + + txn = s.begin(c) + err = txn.Set(k2, v2) + c.Assert(err, IsNil) + err = txn.Commit(context.Background()) + c.Assert(err, IsNil) + c.Assert(txn.committer.isOnePC(), IsFalse) + c.Assert(txn.committer.onePCCommitTS, Equals, uint64(0)) + c.Assert(txn.committer.commitTS, Greater, txn.startTS) + + // 1PC doesn't work if config not set + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.EnableOnePC = false + }) + k3 := []byte("k3") + v3 := []byte("v3") + + txn = s.begin(c) + err = txn.Set(k3, v3) + c.Assert(err, IsNil) + err = txn.Commit(ctx) + c.Assert(err, IsNil) + c.Assert(txn.committer.isOnePC(), IsFalse) + c.Assert(txn.committer.onePCCommitTS, Equals, uint64(0)) + c.Assert(txn.committer.commitTS, Greater, txn.startTS) + + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.EnableOnePC = true + }) + + // Test multiple keys + k4 := []byte("k4") + v4 := []byte("v4") + k5 := []byte("k5") + v5 := []byte("v5") + k6 := []byte("k6") + v6 := []byte("v6") + + txn = s.begin(c) + err = txn.Set(k4, v4) + c.Assert(err, IsNil) + err = txn.Set(k5, v5) + c.Assert(err, IsNil) + err = txn.Set(k6, v6) + c.Assert(err, IsNil) + err = txn.Commit(ctx) + c.Assert(err, IsNil) + c.Assert(txn.committer.isOnePC(), IsTrue) + c.Assert(txn.committer.onePCCommitTS, Equals, txn.committer.commitTS) + c.Assert(txn.committer.onePCCommitTS, Greater, txn.startTS) + // Check keys are committed with the same version + s.mustGetFromSnapshot(c, txn.commitTS, k4, v4) + s.mustGetFromSnapshot(c, txn.commitTS, k5, v5) + s.mustGetFromSnapshot(c, txn.commitTS, k6, v6) + s.mustGetNoneFromSnapshot(c, txn.commitTS-1, k4) + s.mustGetNoneFromSnapshot(c, txn.commitTS-1, k5) + s.mustGetNoneFromSnapshot(c, txn.commitTS-1, k6) + + // Overwriting in MVCC + v6New := []byte("v6new") + txn = s.begin(c) + err = txn.Set(k6, v6New) + c.Assert(err, IsNil) + err = txn.Commit(ctx) + c.Assert(err, IsNil) + c.Assert(txn.committer.isOnePC(), IsTrue) + c.Assert(txn.committer.onePCCommitTS, Equals, txn.committer.commitTS) + c.Assert(txn.committer.onePCCommitTS, Greater, txn.startTS) + s.mustGetFromSnapshot(c, txn.commitTS, k6, v6New) + s.mustGetFromSnapshot(c, txn.commitTS-1, k6, v6) + + // Check all keys + keys := [][]byte{k1, k2, k3, k4, k5, k6} + values := [][]byte{v1, v2, v3, v4, v5, v6New} + ver, err := s.store.CurrentVersion() + c.Assert(err, IsNil) + snap := s.store.GetSnapshot(ver) + for i, k := range keys { + v, err := snap.Get(ctx, k) + c.Assert(err, IsNil) + c.Assert(v, BytesEquals, values[i]) + } +} + +func (s *testOnePCSuite) Test1PCIsolation(c *C) { + defer config.RestoreFunc()() + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.EnableOnePC = true + }) + + ctx := context.WithValue(context.Background(), sessionctx.ConnID, uint64(1)) + + k := []byte("k") + v1 := []byte("v1") + + txn := s.begin(c) + txn.Set(k, v1) + err := txn.Commit(ctx) + c.Assert(err, IsNil) + + v2 := []byte("v2") + txn = s.begin(c) + txn.Set(k, v2) + + // Make `txn`'s commitTs more likely to be less than `txn2`'s startTs if there's bug in commitTs + // calculation. + for i := 0; i < 10; i++ { + _, err := s.store.oracle.GetTimestamp(ctx) + c.Assert(err, IsNil) + } + + txn2 := s.begin(c) + s.mustGetFromTxn(c, txn2, k, v1) + + err = txn.Commit(ctx) + c.Assert(txn.committer.isOnePC(), IsTrue) + c.Assert(err, IsNil) + + s.mustGetFromTxn(c, txn2, k, v1) + c.Assert(txn2.Rollback(), IsNil) + + s.mustGetFromSnapshot(c, txn.commitTS, k, v2) + s.mustGetFromSnapshot(c, txn.commitTS-1, k, v1) +} + +func (s *testOnePCSuite) Test1PCDisallowMultiRegion(c *C) { + // This test doesn't support tikv mode. + if *WithTiKV { + return + } + + defer config.RestoreFunc()() + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.EnableOnePC = true + }) + + ctx := context.WithValue(context.Background(), sessionctx.ConnID, uint64(1)) + + txn := s.begin(c) + + keys := []string{"k0", "k1", "k2", "k3"} + values := []string{"v0", "v1", "v2", "v3"} + + err := txn.Set([]byte(keys[0]), []byte(values[0])) + c.Assert(err, IsNil) + err = txn.Set([]byte(keys[3]), []byte(values[3])) + c.Assert(err, IsNil) + err = txn.Commit(ctx) + c.Assert(err, IsNil) + + // 1PC doesn't work if it affects multiple regions. + loc, err := s.store.regionCache.LocateKey(s.bo, []byte(keys[2])) + c.Assert(err, IsNil) + newRegionID := s.cluster.AllocID() + newPeerID := s.cluster.AllocID() + s.cluster.Split(loc.Region.id, newRegionID, []byte(keys[2]), []uint64{newPeerID}, newPeerID) + + txn = s.begin(c) + err = txn.Set([]byte(keys[1]), []byte(values[1])) + c.Assert(err, IsNil) + err = txn.Set([]byte(keys[2]), []byte(values[2])) + c.Assert(err, IsNil) + err = txn.Commit(ctx) + c.Assert(err, IsNil) + c.Assert(txn.committer.isOnePC(), IsFalse) + c.Assert(txn.committer.onePCCommitTS, Equals, uint64(0)) + c.Assert(txn.committer.commitTS, Greater, txn.startTS) + + ver, err := s.store.CurrentVersion() + c.Assert(err, IsNil) + snap := s.store.GetSnapshot(ver) + for i, k := range keys { + v, err := snap.Get(ctx, []byte(k)) + c.Assert(err, IsNil) + c.Assert(v, BytesEquals, []byte(values[i])) + } +} diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index cfa45989e19e7..d5d7bb58f28c3 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -58,6 +58,8 @@ var ( tiKVTxnHeartBeatHistogramError = metrics.TiKVTxnHeartBeatHistogram.WithLabelValues("err") tikvAsyncCommitTxnCounterOk = metrics.TiKVAsyncCommitTxnCounter.WithLabelValues("ok") tikvAsyncCommitTxnCounterError = metrics.TiKVAsyncCommitTxnCounter.WithLabelValues("err") + tikvOnePCTxnCounterOk = metrics.TiKVOnePCTxnCounter.WithLabelValues("ok") + tikvOnePCTxnCounterError = metrics.TiKVOnePCTxnCounter.WithLabelValues("err") ) // Global variable set by config file. @@ -115,6 +117,8 @@ type twoPhaseCommitter struct { minCommitTS uint64 maxCommitTS uint64 prewriteStarted bool + useOnePC uint32 + onePCCommitTS uint64 } type memBufferMutations struct { @@ -571,6 +575,10 @@ func (c *twoPhaseCommitter) doActionOnMutations(bo *Backoffer, action twoPhaseCo return errors.Trace(err) } + // This is redundant since `doActionOnGroupMutations` will still split groups into batches and + // check the number of batches. However we don't want the check fail after any code changes. + c.checkOnePCFallBack(action, len(groups)) + return c.doActionOnGroupMutations(bo, action, groups) } @@ -640,6 +648,8 @@ func (c *twoPhaseCommitter) doActionOnGroupMutations(bo *Backoffer, action twoPh _, actionIsCleanup := action.(actionCleanup) _, actionIsPessimiticLock := action.(actionPessimisticLock) + c.checkOnePCFallBack(action, len(batchBuilder.allBatches())) + var err error failpoint.Inject("skipKeyReturnOK", func(val failpoint.Value) { valStr, ok := val.(string) @@ -890,6 +900,11 @@ func (c *twoPhaseCommitter) checkAsyncCommit() bool { return false } +// checkOnePC checks if 1PC protocol is available for current transaction. +func (c *twoPhaseCommitter) checkOnePC() bool { + return config.GetGlobalConfig().TiKVClient.EnableOnePC && c.connID > 0 && !c.shouldWriteBinlog() +} + func (c *twoPhaseCommitter) isAsyncCommit() bool { return atomic.LoadUint32(&c.useAsyncCommit) > 0 } @@ -902,6 +917,26 @@ func (c *twoPhaseCommitter) setAsyncCommit(val bool) { } } +func (c *twoPhaseCommitter) isOnePC() bool { + return atomic.LoadUint32(&c.useOnePC) > 0 +} + +func (c *twoPhaseCommitter) setOnePC(val bool) { + if val { + atomic.StoreUint32(&c.useOnePC, 1) + } else { + atomic.StoreUint32(&c.useOnePC, 0) + } +} + +func (c *twoPhaseCommitter) checkOnePCFallBack(action twoPhaseCommitAction, batchCount int) { + if _, ok := action.(actionPrewrite); ok { + if batchCount > 1 { + c.setOnePC(false) + } + } +} + func (c *twoPhaseCommitter) cleanup(ctx context.Context) { c.cleanWg.Add(1) go func() { @@ -924,7 +959,24 @@ func (c *twoPhaseCommitter) cleanup(ctx context.Context) { func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { var binlogSkipped bool defer func() { - if !c.isAsyncCommit() { + if c.isOnePC() { + // The error means the 1PC transaction failed. + if err != nil { + tikvOnePCTxnCounterError.Inc() + } else { + tikvOnePCTxnCounterOk.Inc() + } + } else if c.isAsyncCommit() { + // The error means the async commit should not succeed. + if err != nil { + if c.prewriteStarted && c.getUndeterminedErr() == nil { + c.cleanup(ctx) + } + tikvAsyncCommitTxnCounterError.Inc() + } else { + tikvAsyncCommitTxnCounterOk.Inc() + } + } else { // Always clean up all written keys if the txn does not commit. c.mu.RLock() committed := c.mu.committed @@ -943,25 +995,25 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { c.writeFinishBinlog(ctx, binlog.BinlogType_Commit, int64(c.commitTS)) } } - } else { - // The error means the async commit should not succeed. - if err != nil { - if c.prewriteStarted && c.getUndeterminedErr() == nil { - c.cleanup(ctx) - } - tikvAsyncCommitTxnCounterError.Inc() - } else { - tikvAsyncCommitTxnCounterOk.Inc() - } } }() // Check async commit is available or not. + needCalcMaxCommitTS := false if c.checkAsyncCommit() { + needCalcMaxCommitTS = true + c.setAsyncCommit(true) + } + // Check if 1PC is enabled. + if c.checkOnePC() { + needCalcMaxCommitTS = true + c.setOnePC(true) + } + // Calculate maxCommitTS if necessary + if needCalcMaxCommitTS { if err = c.calculateMaxCommitTS(ctx); err != nil { return errors.Trace(err) } - c.setAsyncCommit(true) } failpoint.Inject("beforePrewrite", nil) @@ -1016,6 +1068,25 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { c.stripNoNeedCommitKeys() var commitTS uint64 + + if c.isOnePC() { + if c.onePCCommitTS == 0 { + err = errors.Errorf("conn %d invalid onePCCommitTS for 1PC protocol after prewrite, startTS=%v", c.connID, c.startTS) + return errors.Trace(err) + } + c.commitTS = c.onePCCommitTS + c.txn.commitTS = c.commitTS + logutil.Logger(ctx).Info("1PC protocol is used to commit this txn", + zap.Uint64("startTS", c.startTS), zap.Uint64("commitTS", c.commitTS), + zap.Uint64("connID", c.connID)) + return nil + } + + if c.onePCCommitTS != 0 { + logutil.Logger(ctx).Fatal("non 1PC transaction committed in 1PC", + zap.Uint64("connID", c.connID), zap.Uint64("startTS", c.startTS)) + } + if c.isAsyncCommit() { if c.minCommitTS == 0 { err = errors.Errorf("conn %d invalid minCommitTS for async commit protocol after prewrite, startTS=%v", c.connID, c.startTS) diff --git a/store/tikv/async_commit_fail_test.go b/store/tikv/async_commit_fail_test.go index 837c81789337e..4762e4777078e 100644 --- a/store/tikv/async_commit_fail_test.go +++ b/store/tikv/async_commit_fail_test.go @@ -36,7 +36,7 @@ type testAsyncCommitFailSuite struct { var _ = SerialSuites(&testAsyncCommitFailSuite{}) func (s *testAsyncCommitFailSuite) SetUpTest(c *C) { - s.testAsyncCommitCommon.setUpTest(c) + s.testAsyncCommitCommon.setUpTest(c, false) } // TestFailCommitPrimaryRpcErrors tests rpc errors are handled properly when diff --git a/store/tikv/async_commit_test.go b/store/tikv/async_commit_test.go index 5d34420e523bf..1cf526404de60 100644 --- a/store/tikv/async_commit_test.go +++ b/store/tikv/async_commit_test.go @@ -38,7 +38,12 @@ type testAsyncCommitCommon struct { store *tikvStore } -func (s *testAsyncCommitCommon) setUpTest(c *C) { +func (s *testAsyncCommitCommon) setUpTest(c *C, useTiKV bool) { + if *WithTiKV && useTiKV { + s.store = NewTestStore(c).(*tikvStore) + return + } + client, pdClient, cluster, err := unistore.New("") c.Assert(err, IsNil) unistore.BootstrapWithSingleStore(cluster) @@ -98,6 +103,25 @@ func (s *testAsyncCommitCommon) mustPointGet(c *C, key, expectedValue []byte) { c.Assert(value, BytesEquals, expectedValue) } +func (s *testAsyncCommitCommon) mustGetFromSnapshot(c *C, version uint64, key, expectedValue []byte) { + snap := s.store.GetSnapshot(kv.Version{Ver: version}) + value, err := snap.Get(context.Background(), key) + c.Assert(err, IsNil) + c.Assert(value, BytesEquals, expectedValue) +} + +func (s *testAsyncCommitCommon) mustGetNoneFromSnapshot(c *C, version uint64, key []byte) { + snap := s.store.GetSnapshot(kv.Version{Ver: version}) + _, err := snap.Get(context.Background(), key) + c.Assert(errors.Cause(err), Equals, kv.ErrNotExist) +} + +func (s *testAsyncCommitCommon) begin(c *C) *tikvTxn { + txn, err := s.store.Begin() + c.Assert(err, IsNil) + return txn.(*tikvTxn) +} + type testAsyncCommitSuite struct { OneByOneSuite testAsyncCommitCommon @@ -107,7 +131,7 @@ type testAsyncCommitSuite struct { var _ = SerialSuites(&testAsyncCommitSuite{}) func (s *testAsyncCommitSuite) SetUpTest(c *C) { - s.testAsyncCommitCommon.setUpTest(c) + s.testAsyncCommitCommon.setUpTest(c, false) s.bo = NewBackofferWithVars(context.Background(), 5000, nil) } diff --git a/store/tikv/prewrite.go b/store/tikv/prewrite.go index 802b300deedcf..ef68f5f7bddbd 100644 --- a/store/tikv/prewrite.go +++ b/store/tikv/prewrite.go @@ -34,6 +34,7 @@ type actionPrewrite struct{} var _ twoPhaseCommitAction = actionPrewrite{} var tiKVTxnRegionsNumHistogramPrewrite = metrics.TiKVTxnRegionsNumHistogram.WithLabelValues(metricsTag("prewrite")) +var tikvOnePCTxnCounterFallback = metrics.TiKVOnePCTxnCounter.WithLabelValues("fallback") func (actionPrewrite) String() string { return "prewrite" @@ -90,10 +91,20 @@ func (c *twoPhaseCommitter) buildPrewriteRequest(batch batchMutations, txnSize u req.MinCommitTs = 0 } + if c.isOnePC() { + req.TryOnePc = true + } + return tikvrpc.NewRequest(tikvrpc.CmdPrewrite, req, pb.Context{Priority: c.priority, SyncLog: c.syncLog}) } func (action actionPrewrite) handleSingleBatch(c *twoPhaseCommitter, bo *Backoffer, batch batchMutations) error { + // WARNING: This function only tries to send a single request to a single region, so it don't + // need to unset the `useOnePC` flag when it fails. A special case is that when TiKV returns + // regionErr, it's uncertain if the request will be splitted into multiple and sent to multiple + // regions. It invokes `prewriteMutations` recursively here, and the number of batches will be + // checked there. + txnSize := uint64(c.regionTxnSize[batch.region.id]) // When we retry because of a region miss, we don't know the transaction size. We set the transaction size here // to MaxUint64 to avoid unexpected "resolve lock lite". @@ -108,7 +119,7 @@ func (action actionPrewrite) handleSingleBatch(c *twoPhaseCommitter, bo *Backoff // If we fail to receive response for async commit prewrite, it will be undetermined whether this // transaction has been successfully committed. - if c.isAsyncCommit() && sender.rpcError != nil { + if (c.isAsyncCommit() || c.isOnePC()) && sender.rpcError != nil { c.setUndeterminedErr(errors.Trace(sender.rpcError)) } @@ -134,12 +145,35 @@ func (action actionPrewrite) handleSingleBatch(c *twoPhaseCommitter, bo *Backoff keyErrs := prewriteResp.GetErrors() if len(keyErrs) == 0 { if batch.isPrimary { - // After writing the primary key, if the size of the transaction is large than 32M, + // After writing the primary key, if the size of the transaction is larger than 32M, // start the ttlManager. The ttlManager will be closed in tikvTxn.Commit(). - if int64(c.txnSize) > config.GetGlobalConfig().TiKVClient.TTLRefreshedTxnSize { + // In this case 1PC is not expected to be used, but still check it for safety. + if int64(c.txnSize) > config.GetGlobalConfig().TiKVClient.TTLRefreshedTxnSize && + prewriteResp.OnePcCommitTs == 0 { c.run(c, nil) } } + + if c.isOnePC() { + if prewriteResp.OnePcCommitTs == 0 { + logutil.Logger(bo.ctx).Warn("1pc failed and fallbacks to normal commit procedure", + zap.Uint64("startTS", c.startTS)) + tikvOnePCTxnCounterFallback.Inc() + c.setOnePC(false) + } else { + // For 1PC, there's no racing to access to access `onePCCommmitTS` so it's safe + // not to lock the mutex. + if c.onePCCommitTS != 0 { + logutil.Logger(bo.ctx).Fatal("one pc happened multiple times", + zap.Uint64("startTS", c.startTS)) + } + c.onePCCommitTS = prewriteResp.OnePcCommitTs + } + return nil + } else if prewriteResp.OnePcCommitTs != 0 { + logutil.Logger(bo.ctx).Fatal("tikv committed a non-1pc transaction with 1pc protocol", + zap.Uint64("startTS", c.startTS)) + } if c.isAsyncCommit() { // 0 if the min_commit_ts is not ready or any other reason that async // commit cannot proceed. The client can then fallback to normal way to @@ -201,5 +235,6 @@ func (c *twoPhaseCommitter) prewriteMutations(bo *Backoffer, mutations Committer bo.ctx = opentracing.ContextWithSpan(bo.ctx, span1) } + // `doActionOnMutations` will unset `useOnePC` if the mutations is splitted into multiple batches. return c.doActionOnMutations(bo, actionPrewrite{}, mutations) } From 6444a0550918fda4f2491cee22aa8cd0816b6e75 Mon Sep 17 00:00:00 2001 From: Zhuhe Fang Date: Tue, 3 Nov 2020 13:24:40 +0800 Subject: [PATCH 0130/1021] executor: avoid goroutine leak in index Lookup join (#19251) --- cmd/benchdb/main.go | 9 +++++++++ executor/index_lookup_join.go | 5 ++++- executor/index_lookup_merge_join.go | 4 +++- session/session.go | 13 +++++++++---- 4 files changed, 25 insertions(+), 6 deletions(-) diff --git a/cmd/benchdb/main.go b/cmd/benchdb/main.go index 4d9e40daae6af..1eebcc3b62cea 100644 --- a/cmd/benchdb/main.go +++ b/cmd/benchdb/main.go @@ -108,8 +108,17 @@ func newBenchDB() *benchDB { func (ut *benchDB) mustExec(sql string) { rss, err := ut.session.Execute(context.Background(), sql) + defer func() { + for _, rs := range rss { + err = rs.Close() + if err != nil { + log.Fatal(err.Error()) + } + } + }() if err != nil { log.Fatal(err.Error()) + return } if len(rss) > 0 { ctx := context.Background() diff --git a/executor/index_lookup_join.go b/executor/index_lookup_join.go index 38b8412396db3..88af9acad2ef7 100644 --- a/executor/index_lookup_join.go +++ b/executor/index_lookup_join.go @@ -633,10 +633,13 @@ func (iw *innerWorker) fetchInnerResults(ctx context.Context, task *lookUpJoinTa }() } innerExec, err := iw.readerBuilder.buildExecutorForIndexJoin(ctx, lookUpContent, iw.indexRanges, iw.keyOff2IdxOff, iw.nextColCompareFilters, true) + if innerExec != nil { + defer terror.Call(innerExec.Close) + } if err != nil { return err } - defer terror.Call(innerExec.Close) + innerResult := chunk.NewList(retTypes(innerExec), iw.ctx.GetSessionVars().MaxChunkSize, iw.ctx.GetSessionVars().MaxChunkSize) innerResult.GetMemTracker().SetLabel(memory.LabelForBuildSideResult) innerResult.GetMemTracker().AttachTo(task.memTracker) diff --git a/executor/index_lookup_merge_join.go b/executor/index_lookup_merge_join.go index d2c653ae15d36..fabc5a9b346fc 100644 --- a/executor/index_lookup_merge_join.go +++ b/executor/index_lookup_merge_join.go @@ -496,10 +496,12 @@ func (imw *innerMergeWorker) handleTask(ctx context.Context, task *lookUpMergeJo } } imw.innerExec, err = imw.readerBuilder.buildExecutorForIndexJoin(ctx, dLookUpKeys, imw.indexRanges, imw.keyOff2IdxOff, imw.nextColCompareFilters, false) + if imw.innerExec != nil { + defer terror.Call(imw.innerExec.Close) + } if err != nil { return err } - defer terror.Call(imw.innerExec.Close) _, err = imw.fetchNextInnerResult(ctx, task) if err != nil { return err diff --git a/session/session.go b/session/session.go index bbe79ea3c83ad..da75786af8cdd 100644 --- a/session/session.go +++ b/session/session.go @@ -871,6 +871,14 @@ func execRestrictedSQL(ctx context.Context, se *session, sql string) ([]chunk.Ro ctx = context.WithValue(ctx, execdetails.StmtExecDetailKey, &execdetails.StmtExecDetails{}) startTime := time.Now() recordSets, err := se.Execute(ctx, sql) + defer func() { + for _, rs := range recordSets { + closeErr := rs.Close() + if closeErr != nil && err == nil { + err = closeErr + } + } + }() if err != nil { return nil, nil, err } @@ -885,9 +893,6 @@ func execRestrictedSQL(ctx context.Context, se *session, sql string) ([]chunk.Ro if err != nil { return nil, nil, err } - if err = rs.Close(); err != nil { - return nil, nil, err - } if i == 0 { rows = tmp @@ -895,7 +900,7 @@ func execRestrictedSQL(ctx context.Context, se *session, sql string) ([]chunk.Ro } } metrics.QueryDurationHistogram.WithLabelValues(metrics.LblInternal).Observe(time.Since(startTime).Seconds()) - return rows, fields, nil + return rows, fields, err } func createSessionFunc(store kv.Storage) pools.Factory { From e9941af7839370e07ce1b7dc44e7d93456ed37db Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Tue, 3 Nov 2020 13:59:20 +0800 Subject: [PATCH 0131/1021] executor: fix IndexHashJoin hang in finishJoinWorkers (#20780) --- executor/index_lookup_hash_join.go | 14 ++++++++++++-- executor/join_test.go | 18 ++++++++++++++++++ 2 files changed, 30 insertions(+), 2 deletions(-) diff --git a/executor/index_lookup_hash_join.go b/executor/index_lookup_hash_join.go index c3a00996e4632..0f886cffc9212 100644 --- a/executor/index_lookup_hash_join.go +++ b/executor/index_lookup_hash_join.go @@ -200,8 +200,12 @@ func (e *IndexNestedLoopHashJoin) startWorkers(ctx context.Context) { func (e *IndexNestedLoopHashJoin) finishJoinWorkers(r interface{}) { if r != nil { - e.resultCh <- &indexHashJoinResult{ - err: errors.New(fmt.Sprintf("%v", r)), + err := errors.New(fmt.Sprintf("%v", r)) + if !e.keepOuterOrder { + e.resultCh <- &indexHashJoinResult{err: err} + } else { + task := &indexHashJoinTask{err: err} + e.taskCh <- task } if e.cancelFunc != nil { e.cancelFunc() @@ -256,6 +260,9 @@ func (e *IndexNestedLoopHashJoin) runInOrder(ctx context.Context, req *chunk.Chu if e.isDryUpTasks(ctx) { return nil } + if e.curTask.err != nil { + return e.curTask.err + } select { case result, ok = <-e.curTask.resultCh: if !ok { @@ -338,6 +345,9 @@ func (ow *indexHashJoinOuterWorker) run(ctx context.Context) { return } if ow.keepOuterOrder { + failpoint.Inject("testIssue20779", func() { + panic("testIssue20779") + }) if finished := ow.pushToChan(ctx, task, ow.taskCh); finished { return } diff --git a/executor/join_test.go b/executor/join_test.go index 26578276e588a..3492b5a4a30e3 100644 --- a/executor/join_test.go +++ b/executor/join_test.go @@ -2345,3 +2345,21 @@ func (s *testSuiteJoinSerial) TestIssue20270(c *C) { c.Assert(err, Equals, executor.ErrQueryInterrupted) failpoint.Disable("github.com/pingcap/tidb/executor/killedInJoin2ChunkForOuterHashJoin") } + +func (s *testSuiteJoinSerial) TestIssue20779(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("drop table if exists t1") + tk.MustExec("create table t1(a int, b int, index idx(b));") + tk.MustExec("insert into t1 values(1, 1);") + tk.MustExec("insert into t1 select * from t1;") + + c.Assert(failpoint.Enable("github.com/pingcap/tidb/executor/testIssue20779", "return"), IsNil) + defer func() { + c.Assert(failpoint.Disable("github.com/pingcap/tidb/executor/testIssue20779"), IsNil) + }() + + rs, err := tk.Exec("select /*+ inl_hash_join(t2) */ t1.b from t1 left join t1 t2 on t1.b=t2.b order by t1.b;") + c.Assert(err, IsNil) + _, err = session.GetRows4Test(context.Background(), nil, rs) + c.Assert(err.Error(), Matches, "testIssue20779") +} From c9d7089d86d248222566eac5b4c87958d9f3df74 Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Tue, 3 Nov 2020 15:56:53 +0800 Subject: [PATCH 0132/1021] ddl: add charset info in show create table if column is generated (#20347) --- ddl/db_test.go | 4 ++-- executor/ddl_test.go | 6 +++--- executor/show_test.go | 12 +++++++++++- types/parser_driver/value_expr.go | 5 ++++- 4 files changed, 20 insertions(+), 7 deletions(-) diff --git a/ddl/db_test.go b/ddl/db_test.go index 3afae4740a5bc..29c85542b70ca 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -3471,7 +3471,7 @@ func (s *testDBSuite3) TestGeneratedColumnDDL(c *C) { result.Check(testkit.Rows("table_with_gen_col_string CREATE TABLE `table_with_gen_col_string` (\n" + " `first_name` varchar(10) DEFAULT NULL,\n" + " `last_name` varchar(10) DEFAULT NULL,\n" + - " `full_name` varchar(255) GENERATED ALWAYS AS (concat(`first_name`, ' ', `last_name`)) VIRTUAL\n" + + " `full_name` varchar(255) GENERATED ALWAYS AS (concat(`first_name`, _utf8mb4' ', `last_name`)) VIRTUAL\n" + ") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin")) tk.MustExec("alter table table_with_gen_col_string modify column full_name varchar(255) GENERATED ALWAYS AS (CONCAT(last_name,' ' ,first_name) ) VIRTUAL") @@ -3479,7 +3479,7 @@ func (s *testDBSuite3) TestGeneratedColumnDDL(c *C) { result.Check(testkit.Rows("table_with_gen_col_string CREATE TABLE `table_with_gen_col_string` (\n" + " `first_name` varchar(10) DEFAULT NULL,\n" + " `last_name` varchar(10) DEFAULT NULL,\n" + - " `full_name` varchar(255) GENERATED ALWAYS AS (concat(`last_name`, ' ', `first_name`)) VIRTUAL\n" + + " `full_name` varchar(255) GENERATED ALWAYS AS (concat(`last_name`, _utf8mb4' ', `first_name`)) VIRTUAL\n" + ") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin")) genExprTests := []struct { diff --git a/executor/ddl_test.go b/executor/ddl_test.go index 7401b9e69acb9..7933958ddff8e 100644 --- a/executor/ddl_test.go +++ b/executor/ddl_test.go @@ -309,7 +309,7 @@ func (s *testSuite6) TestCreateViewWithOverlongColName(c *C) { tk.MustExec("create view v as select distinct'" + strings.Repeat("a", 65) + "', " + "max('" + strings.Repeat("b", 65) + "'), " + "'cccccccccc', '" + strings.Repeat("d", 65) + "';") - resultCreateStmt := "CREATE ALGORITHM=UNDEFINED DEFINER=``@`` SQL SECURITY DEFINER VIEW `v` (`name_exp_1`, `name_exp_2`, `cccccccccc`, `name_exp_4`) AS SELECT DISTINCT '" + strings.Repeat("a", 65) + "',MAX('" + strings.Repeat("b", 65) + "'),'cccccccccc','" + strings.Repeat("d", 65) + "'" + resultCreateStmt := "CREATE ALGORITHM=UNDEFINED DEFINER=``@`` SQL SECURITY DEFINER VIEW `v` (`name_exp_1`, `name_exp_2`, `cccccccccc`, `name_exp_4`) AS SELECT DISTINCT _UTF8MB4'" + strings.Repeat("a", 65) + "',MAX(_UTF8MB4'" + strings.Repeat("b", 65) + "'),_UTF8MB4'cccccccccc',_UTF8MB4'" + strings.Repeat("d", 65) + "'" tk.MustQuery("select * from v") tk.MustQuery("select name_exp_1, name_exp_2, cccccccccc, name_exp_4 from v") tk.MustQuery("show create view v").Check(testkit.Rows("v " + resultCreateStmt + " ")) @@ -321,7 +321,7 @@ func (s *testSuite6) TestCreateViewWithOverlongColName(c *C) { "union select '" + strings.Repeat("c", 65) + "', " + "count(distinct '" + strings.Repeat("b", 65) + "', " + "'c');") - resultCreateStmt = "CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v` (`a`, `name_exp_2`) AS SELECT 'a','" + strings.Repeat("b", 65) + "' FROM `test`.`t` UNION SELECT '" + strings.Repeat("c", 65) + "',COUNT(DISTINCT '" + strings.Repeat("b", 65) + "', 'c')" + resultCreateStmt = "CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v` (`a`, `name_exp_2`) AS SELECT _UTF8MB4'a',_UTF8MB4'" + strings.Repeat("b", 65) + "' FROM `test`.`t` UNION SELECT _UTF8MB4'" + strings.Repeat("c", 65) + "',COUNT(DISTINCT _UTF8MB4'" + strings.Repeat("b", 65) + "', _UTF8MB4'c')" tk.MustQuery("select * from v") tk.MustQuery("select a, name_exp_2 from v") tk.MustQuery("show create view v").Check(testkit.Rows("v " + resultCreateStmt + " ")) @@ -332,7 +332,7 @@ func (s *testSuite6) TestCreateViewWithOverlongColName(c *C) { tk.MustExec("create definer='root'@'localhost' view v as select 'a' as '" + strings.Repeat("b", 65) + "' from t;") tk.MustQuery("select * from v") tk.MustQuery("select name_exp_1 from v") - resultCreateStmt = "CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v` (`name_exp_1`) AS SELECT 'a' AS `" + strings.Repeat("b", 65) + "` FROM `test`.`t`" + resultCreateStmt = "CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v` (`name_exp_1`) AS SELECT _UTF8MB4'a' AS `" + strings.Repeat("b", 65) + "` FROM `test`.`t`" tk.MustQuery("show create view v").Check(testkit.Rows("v " + resultCreateStmt + " ")) tk.MustExec("drop view v;") tk.MustExec(resultCreateStmt) diff --git a/executor/show_test.go b/executor/show_test.go index 4db8aa2b43c20..d413eb86e6cc0 100644 --- a/executor/show_test.go +++ b/executor/show_test.go @@ -540,7 +540,7 @@ func (s *testSuite5) TestShowCreateTable(c *C) { tk.MustExec("drop view if exists v") tk.MustExec("create or replace definer=`root`@`127.0.0.1` view v as select JSON_MERGE('{}', '{}') as col;") - tk.MustQuery("show create view v").Check(testutil.RowsWithSep("|", "v|CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`127.0.0.1` SQL SECURITY DEFINER VIEW `v` (`col`) AS SELECT JSON_MERGE('{}', '{}') AS `col` ")) + tk.MustQuery("show create view v").Check(testutil.RowsWithSep("|", "v|CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`127.0.0.1` SQL SECURITY DEFINER VIEW `v` (`col`) AS SELECT JSON_MERGE(_UTF8MB4'{}', _UTF8MB4'{}') AS `col` ")) tk.MustExec("drop view if exists v") tk.MustExec("drop table if exists t1") @@ -808,6 +808,16 @@ func (s *testSuite5) TestShowCreateTable(c *C) { ") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin", )) + // Test issue #20327 + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t(a int, b char(10) as ('a'));") + result := tk.MustQuery("show create table t;").Rows()[0][1] + c.Assert(result, Matches, `(?s).*GENERATED ALWAYS AS \(_utf8mb4'a'\).*`) + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t(a int, b char(10) as (_utf8'a'));") + result = tk.MustQuery("show create table t;").Rows()[0][1] + c.Assert(result, Matches, `(?s).*GENERATED ALWAYS AS \(_utf8'a'\).*`) + // Test show list partition table tk.MustExec(`DROP TABLE IF EXISTS t`) tk.MustExec(`create table t (id int, name varchar(10), unique index idx (id)) partition by list (id) ( diff --git a/types/parser_driver/value_expr.go b/types/parser_driver/value_expr.go index a2398f42ad6f5..0018770e9b285 100644 --- a/types/parser_driver/value_expr.go +++ b/types/parser_driver/value_expr.go @@ -96,7 +96,10 @@ func (n *ValueExpr) Restore(ctx *format.RestoreCtx) error { case types.KindFloat64: ctx.WritePlain(strconv.FormatFloat(n.GetFloat64(), 'e', -1, 64)) case types.KindString: - // TODO: Try other method to restore the character set introducer. For example, add a field in ValueExpr. + if n.Type.Charset != "" { + ctx.WritePlain("_") + ctx.WriteKeyWord(n.Type.Charset) + } ctx.WriteString(n.GetString()) case types.KindBytes: ctx.WriteString(n.GetString()) From 5b2191897530828ef95e45e9deee19698aeb799b Mon Sep 17 00:00:00 2001 From: july2993 Date: Tue, 3 Nov 2020 16:05:23 +0800 Subject: [PATCH 0133/1021] Dockerfile:Add curl in the image (#20694) --- Dockerfile | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Dockerfile b/Dockerfile index 8ca9f24570bbb..46d7d05db347e 100644 --- a/Dockerfile +++ b/Dockerfile @@ -40,6 +40,9 @@ RUN make # Executable image FROM alpine +RUN apk add --no-cache \ + curl + COPY --from=builder /go/src/github.com/pingcap/tidb/bin/tidb-server /tidb-server COPY --from=builder /usr/local/bin/dumb-init /usr/local/bin/dumb-init From b1f4aa893acbd2b22487471d1112c192dfea857d Mon Sep 17 00:00:00 2001 From: Arenatlx Date: Tue, 3 Nov 2020 16:32:49 +0800 Subject: [PATCH 0134/1021] standardize change the job state after all other checks (#20212) --- ddl/column.go | 64 ++++++++++++++++++++++++++++++++++++++--------- ddl/ddl_worker.go | 5 ++++ ddl/index.go | 19 ++++++++++---- ddl/partition.go | 7 ++++-- ddl/schema.go | 12 +++++++-- ddl/table.go | 10 ++++++-- 6 files changed, 94 insertions(+), 23 deletions(-) diff --git a/ddl/column.go b/ddl/column.go index 1603bb502f150..4e436a5c7b158 100644 --- a/ddl/column.go +++ b/ddl/column.go @@ -210,19 +210,30 @@ func onAddColumn(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, err error) switch columnInfo.State { case model.StateNone: // none -> delete only - job.SchemaState = model.StateDeleteOnly columnInfo.State = model.StateDeleteOnly ver, err = updateVersionAndTableInfoWithCheck(t, job, tblInfo, originalState != columnInfo.State) + if err != nil { + return ver, errors.Trace(err) + } + job.SchemaState = model.StateDeleteOnly case model.StateDeleteOnly: // delete only -> write only - job.SchemaState = model.StateWriteOnly columnInfo.State = model.StateWriteOnly ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != columnInfo.State) + if err != nil { + return ver, errors.Trace(err) + } + // Update the job state when all affairs done. + job.SchemaState = model.StateWriteOnly case model.StateWriteOnly: // write only -> reorganization - job.SchemaState = model.StateWriteReorganization columnInfo.State = model.StateWriteReorganization ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != columnInfo.State) + if err != nil { + return ver, errors.Trace(err) + } + // Update the job state when all affairs done. + job.SchemaState = model.StateWriteReorganization case model.StateWriteReorganization: // reorganization -> public // Adjust table column offset. @@ -347,19 +358,28 @@ func onAddColumns(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, err error switch columnInfos[0].State { case model.StateNone: // none -> delete only - job.SchemaState = model.StateDeleteOnly setColumnsState(columnInfos, model.StateDeleteOnly) ver, err = updateVersionAndTableInfoWithCheck(t, job, tblInfo, originalState != columnInfos[0].State) + if err != nil { + return ver, errors.Trace(err) + } + job.SchemaState = model.StateDeleteOnly case model.StateDeleteOnly: // delete only -> write only - job.SchemaState = model.StateWriteOnly setColumnsState(columnInfos, model.StateWriteOnly) ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != columnInfos[0].State) + if err != nil { + return ver, errors.Trace(err) + } + job.SchemaState = model.StateWriteOnly case model.StateWriteOnly: // write only -> reorganization - job.SchemaState = model.StateWriteReorganization setColumnsState(columnInfos, model.StateWriteReorganization) ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != columnInfos[0].State) + if err != nil { + return ver, errors.Trace(err) + } + job.SchemaState = model.StateWriteReorganization case model.StateWriteReorganization: // reorganization -> public // Adjust table column offsets. @@ -411,7 +431,6 @@ func onDropColumns(t *meta.Meta, job *model.Job) (ver int64, _ error) { switch colInfos[0].State { case model.StatePublic: // public -> write only - job.SchemaState = model.StateWriteOnly setColumnsState(colInfos, model.StateWriteOnly) setIndicesState(idxInfos, model.StateWriteOnly) for _, colInfo := range colInfos { @@ -421,18 +440,28 @@ func onDropColumns(t *meta.Meta, job *model.Job) (ver int64, _ error) { } } ver, err = updateVersionAndTableInfoWithCheck(t, job, tblInfo, originalState != colInfos[0].State) + if err != nil { + return ver, errors.Trace(err) + } + job.SchemaState = model.StateWriteOnly case model.StateWriteOnly: // write only -> delete only - job.SchemaState = model.StateDeleteOnly setColumnsState(colInfos, model.StateDeleteOnly) setIndicesState(idxInfos, model.StateDeleteOnly) ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != colInfos[0].State) + if err != nil { + return ver, errors.Trace(err) + } + job.SchemaState = model.StateDeleteOnly case model.StateDeleteOnly: // delete only -> reorganization - job.SchemaState = model.StateDeleteReorganization setColumnsState(colInfos, model.StateDeleteReorganization) setIndicesState(idxInfos, model.StateDeleteReorganization) ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != colInfos[0].State) + if err != nil { + return ver, errors.Trace(err) + } + job.SchemaState = model.StateDeleteReorganization case model.StateDeleteReorganization: // reorganization -> absent // All reorganization jobs are done, drop this column. @@ -543,7 +572,6 @@ func onDropColumn(t *meta.Meta, job *model.Job) (ver int64, _ error) { switch colInfo.State { case model.StatePublic: // public -> write only - job.SchemaState = model.StateWriteOnly colInfo.State = model.StateWriteOnly setIndicesState(idxInfos, model.StateWriteOnly) err = checkDropColumnForStatePublic(tblInfo, colInfo) @@ -551,18 +579,28 @@ func onDropColumn(t *meta.Meta, job *model.Job) (ver int64, _ error) { return ver, errors.Trace(err) } ver, err = updateVersionAndTableInfoWithCheck(t, job, tblInfo, originalState != colInfo.State) + if err != nil { + return ver, errors.Trace(err) + } + job.SchemaState = model.StateWriteOnly case model.StateWriteOnly: // write only -> delete only - job.SchemaState = model.StateDeleteOnly colInfo.State = model.StateDeleteOnly setIndicesState(idxInfos, model.StateDeleteOnly) ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != colInfo.State) + if err != nil { + return ver, errors.Trace(err) + } + job.SchemaState = model.StateDeleteOnly case model.StateDeleteOnly: // delete only -> reorganization - job.SchemaState = model.StateDeleteReorganization colInfo.State = model.StateDeleteReorganization setIndicesState(idxInfos, model.StateDeleteReorganization) ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != colInfo.State) + if err != nil { + return ver, errors.Trace(err) + } + job.SchemaState = model.StateDeleteReorganization case model.StateDeleteReorganization: // reorganization -> absent // All reorganization jobs are done, drop this column. @@ -912,6 +950,8 @@ func (w *worker) doModifyColumnTypeWithData( if err != nil { return ver, errors.Trace(err) } + // Initialize SnapshotVer to 0 for later reorganization check. + job.SnapshotVer = 0 job.SchemaState = model.StateWriteReorganization case model.StateWriteReorganization: tbl, err := getTable(d.store, dbInfo.ID, tblInfo) diff --git a/ddl/ddl_worker.go b/ddl/ddl_worker.go index 77753f469ad39..6c7cea6acdce0 100644 --- a/ddl/ddl_worker.go +++ b/ddl/ddl_worker.go @@ -607,6 +607,11 @@ func (w *worker) runDDLJob(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, job.State = model.JobStateRunning } + // For every type, `schema/table` modification and `job` modification are conducted + // in the one kv transaction. The `schema/table` modification can be always discarded + // by kv reset when meets a unhandled error, but the `job` modification can't. + // So make sure job state and args change is after all other checks or make sure these + // change has no effect when retrying it. switch job.Type { case model.ActionCreateSchema: ver, err = onCreateSchema(d, t, job) diff --git a/ddl/index.go b/ddl/index.go index 66d3b23830125..8a97680bb04f5 100644 --- a/ddl/index.go +++ b/ddl/index.go @@ -533,12 +533,12 @@ func (w *worker) onCreateIndex(d *ddlCtx, t *meta.Meta, job *model.Job, isPK boo if err != nil { break } - // Initialize SnapshotVer to 0 for later reorganization check. - job.SnapshotVer = 0 ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != indexInfo.State) if err != nil { return ver, err } + // Initialize SnapshotVer to 0 for later reorganization check. + job.SnapshotVer = 0 job.SchemaState = model.StateWriteReorganization case model.StateWriteReorganization: // reorganization -> public @@ -620,7 +620,6 @@ func onDropIndex(t *meta.Meta, job *model.Job) (ver int64, _ error) { switch indexInfo.State { case model.StatePublic: // public -> write only - job.SchemaState = model.StateWriteOnly indexInfo.State = model.StateWriteOnly if len(dependentHiddenCols) > 0 { firstHiddenOffset := dependentHiddenCols[0].Offset @@ -631,18 +630,28 @@ func onDropIndex(t *meta.Meta, job *model.Job) (ver int64, _ error) { } } ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != indexInfo.State) + if err != nil { + return ver, errors.Trace(err) + } + job.SchemaState = model.StateWriteOnly case model.StateWriteOnly: // write only -> delete only - job.SchemaState = model.StateDeleteOnly indexInfo.State = model.StateDeleteOnly updateHiddenColumns(tblInfo, indexInfo, model.StateDeleteOnly) ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != indexInfo.State) + if err != nil { + return ver, errors.Trace(err) + } + job.SchemaState = model.StateDeleteOnly case model.StateDeleteOnly: // delete only -> reorganization - job.SchemaState = model.StateDeleteReorganization indexInfo.State = model.StateDeleteReorganization updateHiddenColumns(tblInfo, indexInfo, model.StateDeleteReorganization) ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != indexInfo.State) + if err != nil { + return ver, errors.Trace(err) + } + job.SchemaState = model.StateDeleteReorganization case model.StateDeleteReorganization: // reorganization -> absent newIndices := make([]*model.IndexInfo, 0, len(tblInfo.Indices)) diff --git a/ddl/partition.go b/ddl/partition.go index b08d22bc54bea..1cee88f34aee7 100644 --- a/ddl/partition.go +++ b/ddl/partition.go @@ -110,11 +110,14 @@ func (w *worker) onAddTablePartition(d *ddlCtx, t *meta.Meta, job *model.Job) (v job.State = model.JobStateCancelled return ver, errors.Trace(err) } - // none -> replica only - job.SchemaState = model.StateReplicaOnly // move the adding definition into tableInfo. updateAddingPartitionInfo(partInfo, tblInfo) ver, err = updateVersionAndTableInfoWithCheck(t, job, tblInfo, true) + if err != nil { + return ver, errors.Trace(err) + } + // none -> replica only + job.SchemaState = model.StateReplicaOnly case model.StateReplicaOnly: // replica only -> public // Here need do some tiflash replica complement check. diff --git a/ddl/schema.go b/ddl/schema.go index 88d91a7ceb01c..077e03b8527aa 100644 --- a/ddl/schema.go +++ b/ddl/schema.go @@ -152,14 +152,22 @@ func onDropSchema(t *meta.Meta, job *model.Job) (ver int64, _ error) { switch dbInfo.State { case model.StatePublic: // public -> write only - job.SchemaState = model.StateWriteOnly dbInfo.State = model.StateWriteOnly err = t.UpdateDatabase(dbInfo) + if err != nil { + return ver, errors.Trace(err) + } + // Update the job state when all affairs done. + job.SchemaState = model.StateWriteOnly case model.StateWriteOnly: // write only -> delete only - job.SchemaState = model.StateDeleteOnly dbInfo.State = model.StateDeleteOnly err = t.UpdateDatabase(dbInfo) + if err != nil { + return ver, errors.Trace(err) + } + // Update the job state when all affairs done. + job.SchemaState = model.StateDeleteOnly case model.StateDeleteOnly: dbInfo.State = model.StateNone var tables []*model.TableInfo diff --git a/ddl/table.go b/ddl/table.go index 81be3a5937a13..e98e19834bf1a 100644 --- a/ddl/table.go +++ b/ddl/table.go @@ -175,14 +175,20 @@ func onDropTableOrView(t *meta.Meta, job *model.Job) (ver int64, _ error) { switch tblInfo.State { case model.StatePublic: // public -> write only - job.SchemaState = model.StateWriteOnly tblInfo.State = model.StateWriteOnly ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != tblInfo.State) + if err != nil { + return ver, errors.Trace(err) + } + job.SchemaState = model.StateWriteOnly case model.StateWriteOnly: // write only -> delete only - job.SchemaState = model.StateDeleteOnly tblInfo.State = model.StateDeleteOnly ver, err = updateVersionAndTableInfo(t, job, tblInfo, originalState != tblInfo.State) + if err != nil { + return ver, errors.Trace(err) + } + job.SchemaState = model.StateDeleteOnly case model.StateDeleteOnly: tblInfo.State = model.StateNone oldIDs := getPartitionIDs(tblInfo) From 0761844f4a835cdd0314d36affc8b387c6938ae7 Mon Sep 17 00:00:00 2001 From: Bingchang Chen <19990626.love@163.com> Date: Tue, 3 Nov 2020 16:54:26 +0800 Subject: [PATCH 0135/1021] ddl: provide more details about primary key error (#20781) --- ddl/ddl_api.go | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 6eda27eb587f7..a629e81d756db 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -4657,7 +4657,8 @@ func getAnonymousIndex(t table.Table, colName model.CIStr) model.CIStr { func (d *ddl) CreatePrimaryKey(ctx sessionctx.Context, ti ast.Ident, indexName model.CIStr, indexPartSpecifications []*ast.IndexPartSpecification, indexOption *ast.IndexOption) error { if !config.GetGlobalConfig().AlterPrimaryKey { - return ErrUnsupportedModifyPrimaryKey.GenWithStack("Unsupported add primary key, alter-primary-key is false") + return ErrUnsupportedModifyPrimaryKey.GenWithStack("Unsupported add primary key, alter-primary-key is false. " + + "Please check the documentation for the tidb-server configuration files") } schema, t, err := d.getSchemaAndTableByIdent(ctx, ti) From 4e58f329b1428d8d863266eab6c6fbb6fda34d8f Mon Sep 17 00:00:00 2001 From: Null not nil <67764674+nullnotnil@users.noreply.github.com> Date: Tue, 3 Nov 2020 02:21:20 -0700 Subject: [PATCH 0136/1021] infoschema: improve test stability in other timezones (#20704) --- infoschema/tables_test.go | 1 + 1 file changed, 1 insertion(+) diff --git a/infoschema/tables_test.go b/infoschema/tables_test.go index 1b80f7f709c1c..11e1a0de9e170 100644 --- a/infoschema/tables_test.go +++ b/infoschema/tables_test.go @@ -803,6 +803,7 @@ func (s *testClusterTableSuite) TestSelectClusterTable(c *C) { tk.MustExec("use information_schema") tk.MustExec(fmt.Sprintf("set @@tidb_enable_streaming=%d", i)) tk.MustExec("set @@global.tidb_enable_stmt_summary=1") + tk.MustExec("set time_zone = '+08:00';") tk.MustQuery("select count(*) from `CLUSTER_SLOW_QUERY`").Check(testkit.Rows("1")) tk.MustQuery("select time from `CLUSTER_SLOW_QUERY` where time='2019-02-12 19:33:56.571953'").Check(testutil.RowsWithSep("|", "2019-02-12 19:33:56.571953")) tk.MustQuery("select count(*) from `CLUSTER_PROCESSLIST`").Check(testkit.Rows("1")) From 480a45acee37a13507c338b7f3f00e2bae418219 Mon Sep 17 00:00:00 2001 From: Arenatlx Date: Tue, 3 Nov 2020 21:18:01 +0800 Subject: [PATCH 0137/1021] ddl: refine reorg warnings receiving logic (#20707) Signed-off-by: AilinKid <314806019@qq.com> --- ddl/backfilling.go | 61 ++++++++++++++++++++++++++++++++++ ddl/column.go | 41 ++++++++--------------- ddl/column_type_change_test.go | 36 ++++++-------------- types/convert_test.go | 4 +-- types/datum.go | 10 ++---- 5 files changed, 90 insertions(+), 62 deletions(-) diff --git a/ddl/backfilling.go b/ddl/backfilling.go index fd7600a273407..4be4c79e53a22 100644 --- a/ddl/backfilling.go +++ b/ddl/backfilling.go @@ -47,6 +47,58 @@ const ( typeCleanUpIndexWorker backfillWorkerType = 2 ) +// By now the DDL jobs that need backfilling include: +// 1: add-index +// 2: modify-column-type +// 3: clean-up global index +// +// They all have a write reorganization state to back fill data into the rows existed. +// Backfilling is time consuming, to accelerate this process, TiDB has built some sub +// workers to do this in the DDL owner node. +// +// DDL owner thread +// ^ +// | (reorgCtx.doneCh) +// | +// worker master +// ^ (waitTaskResults) +// | +// | +// v (sendRangeTask) +// +--------------------+---------+---------+------------------+--------------+ +// | | | | | +// backfillworker1 backfillworker2 backfillworker3 backfillworker4 ... +// +// The worker master is responsible for scaling the backfilling workers according to the +// system variable "tidb_ddl_reorg_worker_cnt". Essentially, reorg job is mainly based +// on the [start, end] range of the table to backfill data. We did not do it all at once, +// there were several ddl rounds. +// +// [start1---end1 start2---end2 start3---end3 start4---end4 ... ... ] +// | | | | | | | | +// +-------+ +-------+ +-------+ +-------+ ... ... +// | | | | +// bfworker1 bfworker2 bfworker3 bfworker4 ... ... +// | | | | | | +// +---------------- (round1)----------------+ +--(round2)--+ +// +// The main range [start, end] will be split into small ranges. +// Each small range corresponds to a region and it will be delivered to a backfillworker. +// Each worker can only be assigned with one range at one round, those remaining ranges +// will be cached until all the backfill workers have had their previous range jobs done. +// +// [ region start --------------------- region end ] +// | +// v +// [ batch ] [ batch ] [ batch ] [ batch ] ... +// | | | | +// v v v v +// (a kv txn) -> -> -> +// +// For a single range, backfill worker doesn't backfill all the data in one kv transaction. +// Instead, it is divided into batches, each time a kv transaction completes the backfilling +// of a partial batch. + func (bWT backfillWorkerType) String() string { switch bWT { case typeAddIndexWorker: @@ -514,6 +566,15 @@ func (w *worker) writePhysicalTableRecord(t table.PhysicalTable, bfWorkerType ba for i := len(backfillWorkers); i < int(workerCnt); i++ { sessCtx := newContext(reorgInfo.d.store) sessCtx.GetSessionVars().StmtCtx.IsDDLJobInQueue = true + // Simulate the sql mode environment in the worker sessionCtx. + sqlMode := reorgInfo.ReorgMeta.SQLMode + sessCtx.GetSessionVars().SQLMode = sqlMode + sessCtx.GetSessionVars().StmtCtx.BadNullAsWarning = !sqlMode.HasStrictMode() + sessCtx.GetSessionVars().StmtCtx.TruncateAsWarning = !sqlMode.HasStrictMode() + sessCtx.GetSessionVars().StmtCtx.OverflowAsWarning = !sqlMode.HasStrictMode() + sessCtx.GetSessionVars().StmtCtx.AllowInvalidDate = sqlMode.HasAllowInvalidDatesMode() + sessCtx.GetSessionVars().StmtCtx.DividedByZeroAsWarning = !sqlMode.HasStrictMode() + sessCtx.GetSessionVars().StmtCtx.IgnoreZeroInDate = !sqlMode.HasStrictMode() || sqlMode.HasAllowInvalidDatesMode() switch bfWorkerType { case typeAddIndexWorker: diff --git a/ddl/column.go b/ddl/column.go index 4e436a5c7b158..f71dc76dd64b1 100644 --- a/ddl/column.go +++ b/ddl/column.go @@ -36,6 +36,7 @@ import ( "github.com/pingcap/tidb/meta/autoid" "github.com/pingcap/tidb/metrics" "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" @@ -1235,15 +1236,21 @@ func (w *updateColumnWorker) getRowRecord(handle kv.Handle, recordKey []byte, ra } var recordWarning *terror.Error + // Since every updateColumnWorker handle their own work individually, we can cache warning in statement context when casting datum. + oldWarn := w.sessCtx.GetSessionVars().StmtCtx.GetWarnings() + if oldWarn == nil { + oldWarn = []stmtctx.SQLWarn{} + } else { + oldWarn = oldWarn[:0] + } + w.sessCtx.GetSessionVars().StmtCtx.SetWarnings(oldWarn) newColVal, err := table.CastValue(w.sessCtx, w.rowMap[w.oldColInfo.ID], w.newColInfo, false, false) if err != nil { - err = w.reformatErrors(err) - if IsNormalWarning(err) || (!w.sqlMode.HasStrictMode() && IsStrictWarning(err)) { - // Keep the warnings. - recordWarning = errors.Cause(err).(*terror.Error) - } else { - return errors.Trace(err) - } + return w.reformatErrors(err) + } + if w.sessCtx.GetSessionVars().StmtCtx.GetWarnings() != nil && len(w.sessCtx.GetSessionVars().StmtCtx.GetWarnings()) != 0 { + warn := w.sessCtx.GetSessionVars().StmtCtx.GetWarnings() + recordWarning = errors.Cause(w.reformatErrors(warn[0].Err)).(*terror.Error) } failpoint.Inject("MockReorgTimeoutInOneRegion", func(val failpoint.Value) { @@ -1281,26 +1288,6 @@ func (w *updateColumnWorker) reformatErrors(err error) error { return err } -// IsNormalWarning is used to check the normal warnings, for example data-truncated warnings. -// This kind of warning will be always thrown out regard less of what kind of the sql mode is. -func IsNormalWarning(err error) bool { - // TODO: there are more errors here can be identified as normal warnings. - if types.ErrTruncatedWrongVal.Equal(err) { - return true - } - return false -} - -// IsStrictWarning is used to check whether the error can be transferred as a warning under a -// non-strict SQL Mode. -func IsStrictWarning(err error) bool { - // TODO: there are more errors here can be identified as warnings under non-strict SQL mode. - if types.ErrOverflow.Equal(err) || types.ErrTruncated.Equal(err) { - return true - } - return false -} - func (w *updateColumnWorker) cleanRowMap() { for id := range w.rowMap { delete(w.rowMap, id) diff --git a/ddl/column_type_change_test.go b/ddl/column_type_change_test.go index 59dbd93307067..52450f8b7511e 100644 --- a/ddl/column_type_change_test.go +++ b/ddl/column_type_change_test.go @@ -559,10 +559,11 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromStringToOthers(c *C) tk.MustExec("alter table t modify bny date") tk.MustExec("alter table t modify vbny date") tk.MustExec("alter table t modify bb date") - tk.MustExec("alter table t modify txt date") + // Alter text '08-26 19:35:41' to date will error. (same as mysql does) + tk.MustGetErrCode("alter table t modify txt date", mysql.ErrTruncatedWrongValue) tk.MustGetErrCode("alter table t modify e date", mysql.ErrUnsupportedDDLOperation) tk.MustGetErrCode("alter table t modify s date", mysql.ErrUnsupportedDDLOperation) - tk.MustQuery("select * from t").Check(testkit.Rows("2020-08-26 2020-08-26 2020-08-26 2020-08-26 2020-08-26 0000-00-00 2020-07-15 18:32:17.888 2020-07-15 18:32:17.888")) + tk.MustQuery("select * from t").Check(testkit.Rows("2020-08-26 2020-08-26 2020-08-26 2020-08-26 2020-08-26 08-26 19:35:41 2020-07-15 18:32:17.888 2020-07-15 18:32:17.888")) // time reset(tk) tk.MustExec("insert into t values ('19:35:41', '19:35:41', '19:35:41', '19:35:41', '19:35:41.45678', '19:35:41.45678', '2020-07-15 18:32:17.888', '2020-07-15 18:32:17.888')") @@ -637,41 +638,26 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromStringToOthers(c *C) tk.MustExec("alter table t modify s json") tk.MustQuery("select * from t").Check(testkit.Rows("{\"k1\": \"value\"} {\"k1\": \"value\"} {\"k1\": \"value\"} {\"k1\": \"value\"} {\"k1\": \"value\"} {\"k1\": \"value\"} \"{\\\"k1\\\": \\\"value\\\"}\" \"{\\\"k1\\\": \\\"value\\\"}\"")) - // Special cases about different behavior between TiDB and MySQL. - // MySQL get error but TiDB get warning. reset(tk) tk.MustExec("insert into t values ('123x', 'x123', 'abc', 'datetime', 'timestamp', 'date', '123', '123')") - tk.MustExec("alter table t modify c int") - tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Truncated incorrect FLOAT value: '123x'")) - tk.MustQuery("select c from t").Check(testkit.Rows("123")) + tk.MustGetErrCode("alter table t modify c int", mysql.ErrTruncatedWrongValue) - tk.MustExec("alter table t modify vc smallint") - tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Truncated incorrect FLOAT value: 'x123'")) - tk.MustQuery("select vc from t").Check(testkit.Rows("0")) + tk.MustGetErrCode("alter table t modify vc smallint", mysql.ErrTruncatedWrongValue) - tk.MustExec("alter table t modify bny bigint") - tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Truncated incorrect FLOAT value: 'abc\x00\x00\x00\x00\x00'")) - tk.MustQuery("select bny from t").Check(testkit.Rows("0")) + tk.MustGetErrCode("alter table t modify bny bigint", mysql.ErrTruncatedWrongValue) - tk.MustExec("alter table t modify vbny datetime") - tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Incorrect datetime value: 'datetime'")) - tk.MustQuery("select vbny from t").Check(testkit.Rows("0000-00-00 00:00:00")) + tk.MustGetErrCode("alter table t modify vbny datetime", mysql.ErrTruncatedWrongValue) - tk.MustExec("alter table t modify bb timestamp") - tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Incorrect datetime value: 'timestamp'")) - tk.MustQuery("select bb from t").Check(testkit.Rows("0000-00-00 00:00:00")) + tk.MustGetErrCode("alter table t modify bb timestamp", mysql.ErrTruncatedWrongValue) - tk.MustExec("alter table t modify txt date") - tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Incorrect datetime value: 'date'")) - tk.MustQuery("select txt from t").Check(testkit.Rows("0000-00-00")) + tk.MustGetErrCode("alter table t modify txt date", mysql.ErrTruncatedWrongValue) reset(tk) tk.MustExec("alter table t modify vc varchar(20)") tk.MustExec("insert into t(c, vc) values ('1x', '20200915110836')") - tk.MustExec("alter table t modify c year") - tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Truncated incorrect FLOAT value: '1x'")) - tk.MustQuery("select c from t").Check(testkit.Rows("0")) + tk.MustGetErrCode("alter table t modify c year", mysql.ErrTruncatedWrongValue) + // Special cases about different behavior between TiDB and MySQL. // MySQL will get warning but TiDB not. // MySQL will get "Warning 1292 Incorrect time value: '20200915110836' for column 'vc'" tk.MustExec("alter table t modify vc time") diff --git a/types/convert_test.go b/types/convert_test.go index 47d4fa0612e78..950a3c8e9b0e3 100644 --- a/types/convert_test.go +++ b/types/convert_test.go @@ -235,7 +235,7 @@ func (s *testTypeConvertSuite) TestConvertType(c *C) { c.Assert(err, IsNil, Commentf(errors.ErrorStack(err))) c.Assert(v.(*MyDecimal).String(), Equals, "3.1416") v, err = Convert("3.1415926", ft) - c.Assert(terror.ErrorEqual(err, ErrTruncatedWrongVal), IsTrue, Commentf("err %v", err)) + c.Assert(err, IsNil) c.Assert(v.(*MyDecimal).String(), Equals, "3.1416") v, err = Convert("99999", ft) c.Assert(terror.ErrorEqual(err, ErrOverflow), IsTrue, Commentf("err %v", err)) @@ -341,7 +341,7 @@ func (s *testTypeConvertSuite) TestConvertToString(c *C) { ft.Flen = 10 ft.Decimal = 5 v, err := Convert(3.1415926, ft) - c.Assert(terror.ErrorEqual(err, ErrTruncatedWrongVal), IsTrue, Commentf("err %v", err)) + c.Assert(err, IsNil) testToString(c, v, "3.14159") _, err = ToString(&invalidMockType{}) diff --git a/types/datum.go b/types/datum.go index 464d213a040ec..be015974eaa33 100644 --- a/types/datum.go +++ b/types/datum.go @@ -1300,14 +1300,8 @@ func ProduceDecWithSpecifiedTp(dec *MyDecimal, tp *FieldType, sc *stmtctx.Statem return nil, err } if !dec.IsZero() && frac > decimal && dec.Compare(&old) != 0 { - if sc.InInsertStmt || sc.InUpdateStmt || sc.InDeleteStmt { - // fix https://github.com/pingcap/tidb/issues/3895 - // fix https://github.com/pingcap/tidb/issues/5532 - sc.AppendWarning(ErrTruncatedWrongVal.GenWithStackByArgs("DECIMAL", &old)) - err = nil - } else { - err = sc.HandleTruncate(ErrTruncatedWrongVal.GenWithStackByArgs("DECIMAL", &old)) - } + sc.AppendWarning(ErrTruncatedWrongVal.GenWithStackByArgs("DECIMAL", &old)) + err = nil } } } From 3ba36dcb769ac9f13a1783066822fbe610342f36 Mon Sep 17 00:00:00 2001 From: Null not nil <67764674+nullnotnil@users.noreply.github.com> Date: Tue, 3 Nov 2020 07:55:32 -0700 Subject: [PATCH 0138/1021] config, server: Add graceful shutdown option (#20649) --- config/config.go | 36 +++++++++++++++++++----------------- config/config.toml.example | 4 ++++ server/http_status.go | 14 ++++++++++---- server/server.go | 18 +++++++++++++++++- server/tidb_test.go | 38 ++++++++++++++++++++++++++++++++++++++ 5 files changed, 88 insertions(+), 22 deletions(-) diff --git a/config/config.go b/config/config.go index bc27cfbc77e09..13acfe442f9df 100644 --- a/config/config.go +++ b/config/config.go @@ -108,21 +108,22 @@ type Config struct { TxnLocalLatches TxnLocalLatches `toml:"-" json:"-"` // Set sys variable lower-case-table-names, ref: https://dev.mysql.com/doc/refman/5.7/en/identifier-case-sensitivity.html. // TODO: We actually only support mode 2, which keeps the original case, but the comparison is case-insensitive. - LowerCaseTableNames int `toml:"lower-case-table-names" json:"lower-case-table-names"` - ServerVersion string `toml:"server-version" json:"server-version"` - Log Log `toml:"log" json:"log"` - Security Security `toml:"security" json:"security"` - Status Status `toml:"status" json:"status"` - Performance Performance `toml:"performance" json:"performance"` - PreparedPlanCache PreparedPlanCache `toml:"prepared-plan-cache" json:"prepared-plan-cache"` - OpenTracing OpenTracing `toml:"opentracing" json:"opentracing"` - ProxyProtocol ProxyProtocol `toml:"proxy-protocol" json:"proxy-protocol"` - TiKVClient TiKVClient `toml:"tikv-client" json:"tikv-client"` - Binlog Binlog `toml:"binlog" json:"binlog"` - Plugin Plugin `toml:"plugin" json:"plugin"` - PessimisticTxn PessimisticTxn `toml:"pessimistic-txn" json:"pessimistic-txn"` - CheckMb4ValueInUTF8 bool `toml:"check-mb4-value-in-utf8" json:"check-mb4-value-in-utf8"` - MaxIndexLength int `toml:"max-index-length" json:"max-index-length"` + LowerCaseTableNames int `toml:"lower-case-table-names" json:"lower-case-table-names"` + ServerVersion string `toml:"server-version" json:"server-version"` + Log Log `toml:"log" json:"log"` + Security Security `toml:"security" json:"security"` + Status Status `toml:"status" json:"status"` + Performance Performance `toml:"performance" json:"performance"` + PreparedPlanCache PreparedPlanCache `toml:"prepared-plan-cache" json:"prepared-plan-cache"` + OpenTracing OpenTracing `toml:"opentracing" json:"opentracing"` + ProxyProtocol ProxyProtocol `toml:"proxy-protocol" json:"proxy-protocol"` + TiKVClient TiKVClient `toml:"tikv-client" json:"tikv-client"` + Binlog Binlog `toml:"binlog" json:"binlog"` + Plugin Plugin `toml:"plugin" json:"plugin"` + PessimisticTxn PessimisticTxn `toml:"pessimistic-txn" json:"pessimistic-txn"` + CheckMb4ValueInUTF8 bool `toml:"check-mb4-value-in-utf8" json:"check-mb4-value-in-utf8"` + MaxIndexLength int `toml:"max-index-length" json:"max-index-length"` + GracefulWaitBeforeShutdown int `toml:"graceful-wait-before-shutdown" json:"graceful-wait-before-shutdown"` // AlterPrimaryKey is used to control alter primary key feature. AlterPrimaryKey bool `toml:"alter-primary-key" json:"alter-primary-key"` // TreatOldVersionUTF8AsUTF8MB4 is use to treat old version table/column UTF8 charset as UTF8MB4. This is for compatibility. @@ -641,8 +642,9 @@ var defaultConf = Config{ Enabled: false, Capacity: 0, }, - LowerCaseTableNames: 2, - ServerVersion: "", + LowerCaseTableNames: 2, + GracefulWaitBeforeShutdown: 0, + ServerVersion: "", Log: Log{ Level: "info", Format: "text", diff --git a/config/config.toml.example b/config/config.toml.example index 387aba7921a0f..28d2b2bd6894a 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -67,6 +67,10 @@ enable-batch-dml = false # Set system variable 'lower_case_table_names' lower-case-table-names = 2 +# Make SIGTERM wait N seconds before starting the shutdown procedure. This is designed for when TiDB is behind a proxy/load balancer. +# The health check will fail immediately but the server will not start shutting down until the time has elapsed. +graceful-wait-before-shutdown = 0 + # check mb4 value in utf8 is used to control whether to check the mb4 characters when the charset is utf8. check-mb4-value-in-utf8 = true diff --git a/server/http_status.go b/server/http_status.go index c8b927de7c416..e18b0423aadb6 100644 --- a/server/http_status.go +++ b/server/http_status.go @@ -390,7 +390,13 @@ type status struct { func (s *Server) handleStatus(w http.ResponseWriter, req *http.Request) { w.Header().Set("Content-Type", "application/json") - + // If the server is in the process of shutting down, return a non-200 status. + // It is important not to return status{} as acquiring the s.ConnectionCount() + // acquires a lock that may already be held by the shutdown process. + if s.inShutdownMode { + w.WriteHeader(http.StatusInternalServerError) + return + } st := status{ Connections: s.ConnectionCount(), Version: mysql.ServerVersion, @@ -400,8 +406,8 @@ func (s *Server) handleStatus(w http.ResponseWriter, req *http.Request) { if err != nil { w.WriteHeader(http.StatusInternalServerError) logutil.BgLogger().Error("encode json failed", zap.Error(err)) - } else { - _, err = w.Write(js) - terror.Log(errors.Trace(err)) + return } + _, err = w.Write(js) + terror.Log(errors.Trace(err)) } diff --git a/server/server.go b/server/server.go index 72fcda744b5db..a88ef4161a4ee 100644 --- a/server/server.go +++ b/server/server.go @@ -127,6 +127,7 @@ type Server struct { statusListener net.Listener statusServer *http.Server grpcServer *grpc.Server + inShutdownMode bool } // ConnectionCount gets current connection count. @@ -358,9 +359,24 @@ func (s *Server) Run() error { } } +func (s *Server) startShutdown() { + s.rwlock.RLock() + logutil.BgLogger().Info("setting tidb-server to report unhealthy (shutting-down)") + s.inShutdownMode = true + s.rwlock.RUnlock() + // give the load balancer a chance to receive a few unhealthy health reports + // before acquiring the s.rwlock and blocking connections. + waitTime := time.Duration(s.cfg.GracefulWaitBeforeShutdown) * time.Second + if waitTime > 0 { + logutil.BgLogger().Info("waiting for stray connections before starting shutdown process", zap.Duration("waitTime", waitTime)) + time.Sleep(waitTime) + } +} + // Close closes the server. func (s *Server) Close() { - s.rwlock.Lock() + s.startShutdown() + s.rwlock.Lock() // prevent new connections defer s.rwlock.Unlock() if s.listener != nil { diff --git a/server/tidb_test.go b/server/tidb_test.go index 9c7b0a78e508f..0d6362c12a981 100644 --- a/server/tidb_test.go +++ b/server/tidb_test.go @@ -932,6 +932,44 @@ func (ts *tidbTestSuite) TestNullFlag(c *C) { c.Assert(dumpFlag(cols[0].Type, cols[0].Flag), Equals, expectFlag) } +func (ts *tidbTestSuite) TestGracefulShutdown(c *C) { + var err error + ts.store, err = mockstore.NewMockStore() + session.DisableStats4Test() + c.Assert(err, IsNil) + ts.domain, err = session.BootstrapSession(ts.store) + c.Assert(err, IsNil) + ts.tidbdrv = NewTiDBDriver(ts.store) + cli := newTestServerClient() + cfg := newTestConfig() + cfg.GracefulWaitBeforeShutdown = 2 // wait before shutdown + cfg.Port = 0 + cfg.Status.StatusPort = 0 + cfg.Status.ReportStatus = true + cfg.Performance.TCPKeepAlive = true + server, err := NewServer(cfg, ts.tidbdrv) + c.Assert(err, IsNil) + c.Assert(server, NotNil) + cli.port = getPortFromTCPAddr(server.listener.Addr()) + cli.statusPort = getPortFromTCPAddr(server.statusListener.Addr()) + go server.Run() + time.Sleep(time.Millisecond * 100) + + _, err = cli.fetchStatus("/status") // server is up + c.Assert(err, IsNil) + + go server.Close() + time.Sleep(time.Millisecond * 500) + + resp, _ := cli.fetchStatus("/status") // should return 5xx code + c.Assert(resp.StatusCode, Equals, 500) + + time.Sleep(time.Second * 2) + + _, err = cli.fetchStatus("/status") // status is gone + c.Assert(err, ErrorMatches, ".*connect: connection refused") +} + func (ts *tidbTestSuite) TestPessimisticInsertSelectForUpdate(c *C) { qctx, err := ts.tidbdrv.OpenCtx(uint64(0), 0, uint8(tmysql.DefaultCollationID), "test", nil) c.Assert(err, IsNil) From e0b9de5802fcd674abd268cf1c74fd351ac0cfab Mon Sep 17 00:00:00 2001 From: rebelice Date: Wed, 4 Nov 2020 11:52:04 +0800 Subject: [PATCH 0139/1021] test: skip TestDefaultValForAnalyze (#20815) --- executor/analyze_test.go | 1 + 1 file changed, 1 insertion(+) diff --git a/executor/analyze_test.go b/executor/analyze_test.go index 616189221984f..74469842d8b20 100644 --- a/executor/analyze_test.go +++ b/executor/analyze_test.go @@ -728,6 +728,7 @@ func (s *testSuite1) TestNormalAnalyzeOnCommonHandle(c *C) { } func (s *testSuite1) TestDefaultValForAnalyze(c *C) { + c.Skip("skip race test") tk := testkit.NewTestKit(c, s.store) tk.MustExec("drop database if exists test_default_val_for_analyze;") tk.MustExec("create database test_default_val_for_analyze;") From 42590965ed67ab48f5a2c5fea4777763aa3e3d47 Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Wed, 4 Nov 2020 13:25:52 +0800 Subject: [PATCH 0140/1021] *: refactor `CompilePattern` and `DoMatch` used by `like` (#20610) --- expression/integration_test.go | 7 ++ privilege/privileges/cache.go | 6 +- util/collate/bin.go | 2 +- util/collate/general_ci.go | 118 ++---------------------- util/collate/unicode_ci.go | 138 ++++------------------------ util/stringutil/string_util.go | 89 ++++++++++++------ util/stringutil/string_util_test.go | 1 + 7 files changed, 95 insertions(+), 266 deletions(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index f64ea363f04af..af0825acba489 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7641,3 +7641,10 @@ func (s *testIntegrationSuite) TestIssue20180(c *C) { tk.MustExec("insert into t values('b');") tk.MustQuery("select * from t where a > 1 and a = \"b\";").Check(testkit.Rows("b")) } + +func (s *testIntegrationSerialSuite) TestIssue20608(c *C) { + collate.SetNewCollationEnabledForTest(true) + defer collate.SetNewCollationEnabledForTest(false) + tk := testkit.NewTestKit(c, s.store) + tk.MustQuery("select '䇇Հ' collate utf8mb4_bin like '___Հ';").Check(testkit.Rows("0")) +} diff --git a/privilege/privileges/cache.go b/privilege/privileges/cache.go index e297137db36ec..8d466690250a7 100644 --- a/privilege/privileges/cache.go +++ b/privilege/privileges/cache.go @@ -587,7 +587,7 @@ func (record *baseRecord) assignUserOrHost(row chunk.Row, i int, f *ast.ResultFi record.User = row.GetString(i) case "host": record.Host = row.GetString(i) - record.patChars, record.patTypes = stringutil.CompilePattern(record.Host, '\\') + record.patChars, record.patTypes = stringutil.CompilePatternBytes(record.Host, '\\') record.hostIPNet = parseHostIPNet(record.Host) } } @@ -663,7 +663,7 @@ func (p *MySQLPrivilege) decodeDBTableRow(row chunk.Row, fs []*ast.ResultField) switch { case f.ColumnAsName.L == "db": value.DB = row.GetString(i) - value.dbPatChars, value.dbPatTypes = stringutil.CompilePattern(strings.ToUpper(value.DB), '\\') + value.dbPatChars, value.dbPatTypes = stringutil.CompilePatternBytes(strings.ToUpper(value.DB), '\\') case f.Column.Tp == mysql.TypeEnum: if row.GetEnum(i).String() != "Y" { continue @@ -830,7 +830,7 @@ func (record *columnsPrivRecord) match(user, host, db, table, col string) bool { // patternMatch matches "%" the same way as ".*" in regular expression, for example, // "10.0.%" would match "10.0.1" "10.0.1.118" ... func patternMatch(str string, patChars, patTypes []byte) bool { - return stringutil.DoMatch(str, patChars, patTypes) + return stringutil.DoMatchBytes(str, patChars, patTypes) } // connectionVerification verifies the connection have access to TiDB server. diff --git a/util/collate/bin.go b/util/collate/bin.go index 3761c683530e5..637ef745248e5 100644 --- a/util/collate/bin.go +++ b/util/collate/bin.go @@ -55,7 +55,7 @@ func (bpc *binPaddingCollator) Pattern() WildcardPattern { } type binPattern struct { - patChars []byte + patChars []rune patTypes []byte } diff --git a/util/collate/general_ci.go b/util/collate/general_ci.go index 77f7204c5bba3..bfa94148610d4 100644 --- a/util/collate/general_ci.go +++ b/util/collate/general_ci.go @@ -20,110 +20,6 @@ import ( type generalCICollator struct { } -// compilePatternGeneralCI handles escapes and wild cards, generate pattern weights and types. -// This function is modified from stringutil.CompilePattern. -func compilePatternGeneralCI(pattern string, escape byte) (patWeights []uint16, patTypes []byte) { - runes := []rune(pattern) - escapeRune := rune(escape) - lenRunes := len(runes) - patWeights = make([]uint16, lenRunes) - patTypes = make([]byte, lenRunes) - patLen := 0 - for i := 0; i < lenRunes; i++ { - var tp byte - var r = runes[i] - switch r { - case escapeRune: - tp = stringutil.PatMatch - if i < lenRunes-1 { - i++ - r = runes[i] - if r == escapeRune || r == '_' || r == '%' { - // Valid escape. - } else { - // Invalid escape, fall back to escape byte. - // mysql will treat escape character as the origin value even - // the escape sequence is invalid in Go or C. - // e.g., \m is invalid in Go, but in MySQL we will get "m" for select '\m'. - // Following case is correct just for escape \, not for others like +. - // TODO: Add more checks for other escapes. - i-- - r = escapeRune - } - } - case '_': - // %_ => _% - if patLen > 0 && patTypes[patLen-1] == stringutil.PatAny { - tp = stringutil.PatAny - r = '%' - patWeights[patLen-1], patTypes[patLen-1] = '_', stringutil.PatOne - } else { - tp = stringutil.PatOne - } - case '%': - // %% => % - if patLen > 0 && patTypes[patLen-1] == stringutil.PatAny { - continue - } - tp = stringutil.PatAny - default: - tp = stringutil.PatMatch - } - patWeights[patLen] = convertRune(r) - patTypes[patLen] = tp - patLen++ - } - patWeights = patWeights[:patLen] - patTypes = patTypes[:patLen] - return -} - -// doMatchGeneralCI matches the string with patWeights and patTypes. -// The algorithm has linear time complexity. -// https://research.swtch.com/glob -// This function is modified from stringutil.DoMatch. -func doMatchGeneralCI(str string, patWeights []uint16, patTypes []byte) bool { - // TODO(bb7133): it is possible to get the rune one by one to avoid the cost of get them as a whole. - runes := []rune(str) - lenRunes := len(runes) - var rIdx, pIdx, nextRIdx, nextPIdx int - for pIdx < len(patWeights) || rIdx < lenRunes { - if pIdx < len(patWeights) { - switch patTypes[pIdx] { - case stringutil.PatMatch: - if rIdx < lenRunes && convertRune(runes[rIdx]) == patWeights[pIdx] { - pIdx++ - rIdx++ - continue - } - case stringutil.PatOne: - if rIdx < lenRunes { - pIdx++ - rIdx++ - continue - } - case stringutil.PatAny: - // Try to match at sIdx. - // If that doesn't work out, - // restart at sIdx+1 next. - nextPIdx = pIdx - nextRIdx = rIdx + 1 - pIdx++ - continue - } - } - // Mismatch. Maybe restart. - if 0 < nextRIdx && nextRIdx <= lenRunes { - pIdx = nextPIdx - rIdx = nextRIdx - continue - } - return false - } - // Matched all of pattern to all of name. Success. - return true -} - // Compare implements Collator interface. func (gc *generalCICollator) Compare(a, b string) int { a = truncateTailingSpace(a) @@ -134,7 +30,7 @@ func (gc *generalCICollator) Compare(a, b string) int { r1, ai = decodeRune(a, ai) r2, bi = decodeRune(b, bi) - cmp := int(convertRune(r1)) - int(convertRune(r2)) + cmp := int(convertRuneGeneralCI(r1)) - int(convertRuneGeneralCI(r2)) if cmp != 0 { return sign(cmp) } @@ -150,7 +46,7 @@ func (gc *generalCICollator) Key(str string) []byte { r := rune(0) for i < len(str) { r, i = decodeRune(str, i) - u16 := convertRune(r) + u16 := convertRuneGeneralCI(r) buf = append(buf, byte(u16>>8), byte(u16)) } return buf @@ -162,21 +58,23 @@ func (gc *generalCICollator) Pattern() WildcardPattern { } type ciPattern struct { - patChars []uint16 + patChars []rune patTypes []byte } // Compile implements WildcardPattern interface. func (p *ciPattern) Compile(patternStr string, escape byte) { - p.patChars, p.patTypes = compilePatternGeneralCI(patternStr, escape) + p.patChars, p.patTypes = stringutil.CompilePatternInner(patternStr, escape) } // Compile implements WildcardPattern interface. func (p *ciPattern) DoMatch(str string) bool { - return doMatchGeneralCI(str, p.patChars, p.patTypes) + return stringutil.DoMatchInner(str, p.patChars, p.patTypes, func(a, b rune) bool { + return convertRuneGeneralCI(a) == convertRuneGeneralCI(b) + }) } -func convertRune(r rune) uint16 { +func convertRuneGeneralCI(r rune) uint16 { if r > 0xFFFF { return 0xFFFD } diff --git a/util/collate/unicode_ci.go b/util/collate/unicode_ci.go index d03b169fee9e9..aceffeafd9783 100644 --- a/util/collate/unicode_ci.go +++ b/util/collate/unicode_ci.go @@ -42,7 +42,7 @@ func (uc *unicodeCICollator) Compare(a, b string) int { if as == 0 { for an == 0 && ai < len(a) { ar, ai = decodeRune(a, ai) - an, as = convertUnicode(ar) + an, as = convertRuneUnicodeCI(ar) } } else { an = as @@ -54,7 +54,7 @@ func (uc *unicodeCICollator) Compare(a, b string) int { if bs == 0 { for bn == 0 && bi < len(b) { br, bi = decodeRune(b, bi) - bn, bs = convertUnicode(br) + bn, bs = convertRuneUnicodeCI(br) } } else { bn = bs @@ -92,7 +92,7 @@ func (uc *unicodeCICollator) Key(str string) []byte { for si < len(str) { r, si = decodeRune(str, si) - sn, ss = convertUnicode(r) + sn, ss = convertRuneUnicodeCI(r) for sn != 0 { buf = append(buf, byte((sn&0xFF00)>>8), byte(sn)) sn >>= 16 @@ -108,7 +108,7 @@ func (uc *unicodeCICollator) Key(str string) []byte { // convert rune to weights. // `first` represent first 4 uint16 weights of rune // `second` represent last 4 uint16 weights of rune if exist, 0 if not -func convertUnicode(r rune) (first, second uint64) { +func convertRuneUnicodeCI(r rune) (first, second uint64) { if r > 0xFFFF { return 0xFFFD, 0 } @@ -130,131 +130,25 @@ type unicodePattern struct { // Compile implements WildcardPattern interface. func (p *unicodePattern) Compile(patternStr string, escape byte) { - p.patChars, p.patTypes = compilePatternUnicodeCI(patternStr, escape) + p.patChars, p.patTypes = stringutil.CompilePatternInner(patternStr, escape) } // DoMatch implements WildcardPattern interface. func (p *unicodePattern) DoMatch(str string) bool { - return doMatchUnicodeCI(str, p.patChars, p.patTypes) -} - -// compilePatternUnicodeCI handles escapes and wild cards, generate pattern weights and types. -// This function is modified from stringutil.CompilePattern. -func compilePatternUnicodeCI(pattern string, escape byte) (patWeights []rune, patTypes []byte) { - runes := []rune(pattern) - escapeRune := rune(escape) - lenRunes := len(runes) - patWeights = make([]rune, lenRunes) - patTypes = make([]byte, lenRunes) - patLen := 0 - for i := 0; i < lenRunes; i++ { - var tp byte - var r = runes[i] - switch r { - case escapeRune: - tp = stringutil.PatMatch - if i < lenRunes-1 { - i++ - r = runes[i] - if r == escapeRune || r == '_' || r == '%' { - // Valid escape. - } else { - // Invalid escape, fall back to escape byte. - // mysql will treat escape character as the origin value even - // the escape sequence is invalid in Go or C. - // e.g., \m is invalid in Go, but in MySQL we will get "m" for select '\m'. - // Following case is correct just for escape \, not for others like +. - // TODO: Add more checks for other escapes. - i-- - r = escapeRune - } - } - case '_': - // %_ => _% - if patLen > 0 && patTypes[patLen-1] == stringutil.PatAny { - tp = stringutil.PatAny - r = '%' - patWeights[patLen-1], patTypes[patLen-1] = '_', stringutil.PatOne - } else { - tp = stringutil.PatOne - } - case '%': - // %% => % - if patLen > 0 && patTypes[patLen-1] == stringutil.PatAny { - continue - } - tp = stringutil.PatAny - default: - tp = stringutil.PatMatch + return stringutil.DoMatchInner(str, p.patChars, p.patTypes, func(a, b rune) bool { + if a > 0xFFFF || b > 0xFFFF { + return a == b } - patWeights[patLen] = r - patTypes[patLen] = tp - patLen++ - } - patWeights = patWeights[:patLen] - patTypes = patTypes[:patLen] - return -} -// doMatchUnicodeCI matches the string with patWeights and patTypes. -// The algorithm has linear time complexity. -// https://research.swtch.com/glob -// This function is modified from stringutil.DoMatch. -func doMatchUnicodeCI(str string, patWeights []rune, patTypes []byte) bool { - runes := []rune(str) - lenRunes := len(runes) - var rIdx, pIdx, nextRIdx, nextPIdx int - for pIdx < len(patWeights) || rIdx < lenRunes { - if pIdx < len(patWeights) { - switch patTypes[pIdx] { - case stringutil.PatMatch: - if rIdx < lenRunes && runeEqual(runes[rIdx], patWeights[pIdx]) { - pIdx++ - rIdx++ - continue - } - case stringutil.PatOne: - if rIdx < lenRunes { - pIdx++ - rIdx++ - continue - } - case stringutil.PatAny: - // Try to match at sIdx. - // If that doesn't work out, - // restart at sIdx+1 next. - nextPIdx = pIdx - nextRIdx = rIdx + 1 - pIdx++ - continue - } - } - // Mismatch. Maybe restart. - if 0 < nextRIdx && nextRIdx <= lenRunes { - pIdx = nextPIdx - rIdx = nextRIdx - continue + ar, br := mapTable[a], mapTable[b] + if ar != br { + return false } - return false - } - // Matched all of pattern to all of name. Success. - return true -} -// runeEqual compare rune is equal with unicode_ci collation -func runeEqual(a, b rune) bool { - if a > 0xFFFF || b > 0xFFFF { - return a == b - } - - ar, br := mapTable[a], mapTable[b] - if ar != br { - return false - } - - if ar == longRune { - return a == b - } + if ar == longRune { + return a == b + } - return true + return true + }) } diff --git a/util/stringutil/string_util.go b/util/stringutil/string_util.go index ec63268cb37e7..53fc07dc27224 100644 --- a/util/stringutil/string_util.go +++ b/util/stringutil/string_util.go @@ -137,22 +137,38 @@ const ( PatAny ) -// CompilePattern handles escapes and wild cards convert pattern characters and +// CompilePatternBytes is a adapter for `CompilePatternInner`, `pattern` can only be an ascii string. +func CompilePatternBytes(pattern string, escape byte) (patChars, patTypes []byte) { + patWeights, patTypes := CompilePatternInner(pattern, escape) + patChars = []byte(string(patWeights)) + + return patChars, patTypes +} + +// CompilePattern is a adapter for `CompilePatternInner`, `pattern` can be any unicode string. +func CompilePattern(pattern string, escape byte) (patWeights []rune, patTypes []byte) { + return CompilePatternInner(pattern, escape) +} + +// CompilePatternInner handles escapes and wild cards convert pattern characters and // pattern types. -func CompilePattern(pattern string, escape byte) (patChars, patTypes []byte) { - patChars = make([]byte, len(pattern)) - patTypes = make([]byte, len(pattern)) +func CompilePatternInner(pattern string, escape byte) (patWeights []rune, patTypes []byte) { + runes := []rune(pattern) + escapeRune := rune(escape) + lenRunes := len(runes) + patWeights = make([]rune, lenRunes) + patTypes = make([]byte, lenRunes) patLen := 0 - for i := 0; i < len(pattern); i++ { + for i := 0; i < lenRunes; i++ { var tp byte - var c = pattern[i] - switch c { - case escape: + var r = runes[i] + switch r { + case escapeRune: tp = PatMatch - if i < len(pattern)-1 { + if i < lenRunes-1 { i++ - c = pattern[i] - if c == escape || c == '_' || c == '%' { + r = runes[i] + if r == escapeRune || r == '_' || r == '%' { // Valid escape. } else { // Invalid escape, fall back to escape byte. @@ -162,15 +178,15 @@ func CompilePattern(pattern string, escape byte) (patChars, patTypes []byte) { // Following case is correct just for escape \, not for others like +. // TODO: Add more checks for other escapes. i-- - c = escape + r = escapeRune } } case '_': // %_ => _% if patLen > 0 && patTypes[patLen-1] == PatAny { tp = PatAny - c = '%' - patChars[patLen-1], patTypes[patLen-1] = '_', PatOne + r = '%' + patWeights[patLen-1], patTypes[patLen-1] = '_', PatOne } else { tp = PatOne } @@ -183,16 +199,16 @@ func CompilePattern(pattern string, escape byte) (patChars, patTypes []byte) { default: tp = PatMatch } - patChars[patLen] = c + patWeights[patLen] = r patTypes[patLen] = tp patLen++ } - patChars = patChars[:patLen] + patWeights = patWeights[:patLen] patTypes = patTypes[:patLen] return } -func matchByte(a, b byte) bool { +func matchRune(a, b rune) bool { return a == b // We may reuse below code block when like function go back to case insensitive. /* @@ -209,7 +225,7 @@ func matchByte(a, b byte) bool { // CompileLike2Regexp convert a like `lhs` to a regular expression func CompileLike2Regexp(str string) string { patChars, patTypes := CompilePattern(str, '\\') - var result []byte + var result []rune for i := 0; i < len(patChars); i++ { switch patTypes[i] { case PatMatch: @@ -223,24 +239,37 @@ func CompileLike2Regexp(str string) string { return string(result) } -// DoMatch matches the string with patChars and patTypes. +// DoMatchBytes is a adapter for `DoMatchInner`, `str` can only be an ascii string. +func DoMatchBytes(str string, patChars, patTypes []byte) bool { + return DoMatchInner(str, []rune(string(patChars)), patTypes, matchRune) +} + +// DoMatch is a adapter for `DoMatchInner`, `str` can be any unicode string. +func DoMatch(str string, patChars []rune, patTypes []byte) bool { + return DoMatchInner(str, patChars, patTypes, matchRune) +} + +// DoMatchInner matches the string with patChars and patTypes. // The algorithm has linear time complexity. // https://research.swtch.com/glob -func DoMatch(str string, patChars, patTypes []byte) bool { - var sIdx, pIdx, nextSIdx, nextPIdx int - for pIdx < len(patChars) || sIdx < len(str) { - if pIdx < len(patChars) { +func DoMatchInner(str string, patWeights []rune, patTypes []byte, matcher func(a, b rune) bool) bool { + // TODO(bb7133): it is possible to get the rune one by one to avoid the cost of get them as a whole. + runes := []rune(str) + lenRunes := len(runes) + var rIdx, pIdx, nextRIdx, nextPIdx int + for pIdx < len(patWeights) || rIdx < lenRunes { + if pIdx < len(patWeights) { switch patTypes[pIdx] { case PatMatch: - if sIdx < len(str) && matchByte(str[sIdx], patChars[pIdx]) { + if rIdx < lenRunes && matcher(runes[rIdx], patWeights[pIdx]) { pIdx++ - sIdx++ + rIdx++ continue } case PatOne: - if sIdx < len(str) { + if rIdx < lenRunes { pIdx++ - sIdx++ + rIdx++ continue } case PatAny: @@ -248,15 +277,15 @@ func DoMatch(str string, patChars, patTypes []byte) bool { // If that doesn't work out, // restart at sIdx+1 next. nextPIdx = pIdx - nextSIdx = sIdx + 1 + nextRIdx = rIdx + 1 pIdx++ continue } } // Mismatch. Maybe restart. - if 0 < nextSIdx && nextSIdx <= len(str) { + if 0 < nextRIdx && nextRIdx <= lenRunes { pIdx = nextPIdx - sIdx = nextSIdx + rIdx = nextRIdx continue } return false diff --git a/util/stringutil/string_util_test.go b/util/stringutil/string_util_test.go index e7d20a6a16d42..923f85fee661c 100644 --- a/util/stringutil/string_util_test.go +++ b/util/stringutil/string_util_test.go @@ -110,6 +110,7 @@ func (s *testStringUtilSuite) TestPatternMatch(c *C) { {`\%a`, `%a`, '+', false}, {`++a`, `+a`, '+', true}, {`++_a`, `+xa`, '+', true}, + {`___Հ`, `䇇Հ`, '\\', false}, // We may reopen these test when like function go back to case insensitive. /* {"_ab", "AAB", '\\', true}, From 0498d1dd43a4378401513a16f6629aceb60be360 Mon Sep 17 00:00:00 2001 From: rebelice Date: Wed, 4 Nov 2020 13:38:21 +0800 Subject: [PATCH 0141/1021] unistore: collect ExecutorExecutionSummary and return by DAGResponse (#20769) --- executor/explain_test.go | 67 ++++++++++++ executor/explainfor_test.go | 4 +- .../unistore/cophandler/closure_exec.go | 103 +++++++++++++++++- .../unistore/cophandler/cop_handler.go | 40 ++++++- 4 files changed, 202 insertions(+), 12 deletions(-) diff --git a/executor/explain_test.go b/executor/explain_test.go index e8e108e3580c3..78ab00b774584 100644 --- a/executor/explain_test.go +++ b/executor/explain_test.go @@ -259,3 +259,70 @@ func (s *testSuite2) checkActRowsNotEmpty(c *C, tk *testkit.TestKit, sql string) c.Assert(strs[actRowsCol], Not(Equals), "") } } + +func checkActRows(c *C, tk *testkit.TestKit, sql string, expected []string) { + actRowsCol := 2 + rows := tk.MustQuery("explain analyze " + sql).Rows() + c.Assert(len(rows), Equals, len(expected)) + for id, row := range rows { + strs := make([]string, len(row)) + for i, c := range row { + strs[i] = c.(string) + } + + c.Assert(strs[actRowsCol], Equals, expected[id]) + } +} + +func (s *testSuite1) TestCheckActRowsWithUnistore(c *C) { + // testSuite1 use default mockstore which is unistore + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("drop table if exists t_unistore_act_rows") + tk.MustExec("create table t_unistore_act_rows(a int, b int, index(a, b))") + tk.MustExec("insert into t_unistore_act_rows values (1, 0), (1, 0), (2, 0), (2, 1)") + tk.MustExec("analyze table t_unistore_act_rows") + + type testStruct struct { + sql string + expected []string + } + + tests := []testStruct{ + { + sql: "select * from t_unistore_act_rows", + expected: []string{"4", "4"}, + }, + { + sql: "select * from t_unistore_act_rows where a > 1", + expected: []string{"2", "2"}, + }, + { + sql: "select * from t_unistore_act_rows where a > 1 and b > 0", + expected: []string{"1", "1", "2"}, + }, + { + sql: "select b from t_unistore_act_rows", + expected: []string{"4", "4"}, + }, + { + sql: "select * from t_unistore_act_rows where b > 0", + expected: []string{"1", "1", "4"}, + }, + { + sql: "select count(*) from t_unistore_act_rows", + expected: []string{"1", "1", "1", "4"}, + }, + { + sql: "select count(*) from t_unistore_act_rows group by a", + expected: []string{"2", "2", "2", "4"}, + }, + { + sql: "select count(*) from t_unistore_act_rows group by b", + expected: []string{"2", "2", "2", "4"}, + }, + } + + for _, test := range tests { + checkActRows(c, tk, test.sql, test.expected) + } +} diff --git a/executor/explainfor_test.go b/executor/explainfor_test.go index 00de940ed6b8c..2d420fc64013c 100644 --- a/executor/explainfor_test.go +++ b/executor/explainfor_test.go @@ -110,8 +110,8 @@ func (s *testSerialSuite) TestExplainFor(c *C) { } } c.Assert(buf.String(), Matches, ""+ - "TableReader_5 10000.00 0 root time:.*, loops:1, cop_task:.*num: 1, max:.*, proc_keys: 0, rpc_num: 1, rpc_time: .* data:TableFullScan_4 N/A N/A\n"+ - "└─TableFullScan_4 10000.00 0 cop.* table:t1 time:.*, loops:0 keep order:false, stats:pseudo N/A N/A") + "TableReader_5 10000.00 0 root time:.*, loops:1, cop_task: {num:.*, max:.*, proc_keys: 0, rpc_num: 1, rpc_time:.*, copr_cache_hit_ratio: 0.00} data:TableFullScan_4 N/A N/A\n"+ + "└─TableFullScan_4 10000.00 0 cop.* table:t1 time:.*, loops:0, tikv_task:{time:.*, loops:0} keep order:false, stats:pseudo N/A N/A") err := tkUser.ExecToErr(fmt.Sprintf("explain for connection %d", tkRootProcess.ID)) c.Check(core.ErrAccessDenied.Equal(err), IsTrue) err = tkUser.ExecToErr("explain for connection 42") diff --git a/store/mockstore/unistore/cophandler/closure_exec.go b/store/mockstore/unistore/cophandler/closure_exec.go index 60b4f4e617f91..e92a273c19040 100644 --- a/store/mockstore/unistore/cophandler/closure_exec.go +++ b/store/mockstore/unistore/cophandler/closure_exec.go @@ -18,6 +18,7 @@ import ( "fmt" "math" "sort" + "time" "github.com/juju/errors" "github.com/ngaut/unistore/tikv/dbreader" @@ -84,6 +85,7 @@ func buildClosureExecutor(dagCtx *dagContext, dagReq *tipb.DAGRequest) (*closure if err != nil { return nil, errors.Trace(err) } + ce.selectionCtx.execDetail = new(execDetail) ce.processor = &selectionProcessor{closureExecutor: ce} } lastExecutor := executors[len(executors)-1] @@ -158,6 +160,7 @@ func newClosureExecutor(dagCtx *dagContext, dagReq *tipb.DAGRequest) (*closureEx if err != nil { return nil, errors.Trace(err) } + e.scanCtx.execDetail = new(execDetail) } return e, nil } @@ -166,6 +169,7 @@ func (e *closureExecutor) initIdxScanCtx(idxScan *tipb.IndexScan) { e.idxScanCtx = new(idxScanCtx) e.idxScanCtx.columnLen = len(e.columnInfos) e.idxScanCtx.pkStatus = pkColNotExists + e.idxScanCtx.execDetail = new(execDetail) e.idxScanCtx.primaryColumnIds = idxScan.PrimaryColumnIds lastColumn := e.columnInfos[len(e.columnInfos)-1] @@ -248,6 +252,7 @@ func tryBuildCountProcessor(e *closureExecutor, executors []*tipb.Executor) (boo default: e.processor = &countStarProcessor{skipVal: skipVal(true), closureExecutor: e} } + e.aggCtx.execDetail = new(execDetail) return true, nil } @@ -261,6 +266,7 @@ func buildTopNProcessor(e *closureExecutor, topN *tipb.TopN) error { heap: heap, orderByExprs: conds, sortRow: e.newTopNSortRow(), + execDetail: new(execDetail), } e.topNCtx = ctx @@ -281,6 +287,7 @@ func buildHashAggProcessor(e *closureExecutor, ctx *dagContext, agg *tipb.Aggreg groupKeys: nil, aggCtxsMap: map[string][]*aggregation.AggEvaluateContext{}, } + e.aggCtx.execDetail = new(execDetail) return nil } @@ -292,6 +299,35 @@ func buildStreamAggProcessor(e *closureExecutor, ctx *dagContext, executors []*t return buildHashAggProcessor(e, ctx, executors[len(executors)-1].Aggregation) } +type execDetail struct { + timeProcessed time.Duration + numProducedRows int + numIterations int +} + +func (e *execDetail) update(begin time.Time, gotRow bool) { + e.timeProcessed += time.Since(begin) + e.numIterations++ + if gotRow { + e.numProducedRows++ + } +} + +func (e *execDetail) updateOnlyRows(gotRow int) { + e.numProducedRows += gotRow +} + +func (e *execDetail) buildSummary() *tipb.ExecutorExecutionSummary { + costNs := uint64(e.timeProcessed / time.Nanosecond) + rows := uint64(e.numProducedRows) + numIter := uint64(e.numIterations) + return &tipb.ExecutorExecutionSummary{ + TimeProcessedNs: &costNs, + NumProducedRows: &rows, + NumIterations: &numIter, + } +} + // closureExecutor is an execution engine that flatten the DAGRequest.Executors to a single closure `processor` that // process key/value pairs. We can define many closures for different kinds of requests, try to use the specially // optimized one for some frequently used query. @@ -335,6 +371,7 @@ type scanCtx struct { newCollationRd *rowcodec.BytesDecoder newCollationIds map[int64]int + execDetail *execDetail } type idxScanCtx struct { @@ -342,20 +379,24 @@ type idxScanCtx struct { columnLen int colInfos []rowcodec.ColInfo primaryColumnIds []int64 + execDetail *execDetail } type aggCtx struct { - col *tipb.ColumnInfo + col *tipb.ColumnInfo + execDetail *execDetail } type selectionCtx struct { conditions []expression.Expression + execDetail *execDetail } type topNCtx struct { heap *topNHeap orderByExprs []expression.Expression sortRow *sortRow + execDetail *execDetail } func (e *closureExecutor) execute() ([]tipb.Chunk, error) { @@ -445,11 +486,20 @@ type countStarProcessor struct { // countStarProcess is used for `count(*)`. func (e *countStarProcessor) Process(key, value []byte) error { + defer func(begin time.Time) { + if e.idxScanCtx != nil { + e.idxScanCtx.execDetail.update(begin, true) + } else { + e.scanCtx.execDetail.update(begin, true) + } + e.aggCtx.execDetail.update(begin, false) + }(time.Now()) e.rowCount++ return nil } func (e *countStarProcessor) Finish() error { + e.aggCtx.execDetail.updateOnlyRows(1) return e.countFinish() } @@ -470,6 +520,15 @@ type countColumnProcessor struct { } func (e *countColumnProcessor) Process(key, value []byte) error { + gotRow := false + defer func(begin time.Time) { + if e.idxScanCtx != nil { + e.idxScanCtx.execDetail.update(begin, gotRow) + } else { + e.scanCtx.execDetail.update(begin, gotRow) + } + e.aggCtx.execDetail.update(begin, false) + }(time.Now()) if e.idxScanCtx != nil { values, _, err := tablecodec.CutIndexKeyNew(key, e.idxScanCtx.columnLen) if err != nil { @@ -477,6 +536,7 @@ func (e *countColumnProcessor) Process(key, value []byte) error { } if values[0][0] != codec.NilFlag { e.rowCount++ + gotRow = true } } else { // Since the handle value doesn't affect the count result, we don't need to decode the handle. @@ -486,12 +546,14 @@ func (e *countColumnProcessor) Process(key, value []byte) error { } if !isNull { e.rowCount++ + gotRow = true } } return nil } func (e *countColumnProcessor) Finish() error { + e.aggCtx.execDetail.updateOnlyRows(1) return e.countFinish() } @@ -533,7 +595,12 @@ func (e *closureExecutor) hasSelection() bool { return len(e.selectionCtx.conditions) > 0 } -func (e *closureExecutor) processSelection() (gotRow bool, err error) { +func (e *closureExecutor) processSelection(needCollectDetail bool) (gotRow bool, err error) { + if needCollectDetail { + defer func(begin time.Time) { + e.selectionCtx.execDetail.update(begin, gotRow) + }(time.Now()) + } chk := e.scanCtx.chk row := chk.GetRow(chk.NumRows() - 1) gotRow = true @@ -586,6 +653,10 @@ func (e *closureExecutor) copyError(err error) error { } func (e *closureExecutor) tableScanProcessCore(key, value []byte) error { + incRow := false + defer func(begin time.Time) { + e.scanCtx.execDetail.update(begin, incRow) + }(time.Now()) handle, err := tablecodec.DecodeRowKey(key) if err != nil { return errors.Trace(err) @@ -594,6 +665,7 @@ func (e *closureExecutor) tableScanProcessCore(key, value []byte) error { if err != nil { return errors.Trace(err) } + incRow = true return nil } @@ -623,6 +695,10 @@ func (e *indexScanProcessor) Finish() error { } func (e *closureExecutor) indexScanProcessCore(key, value []byte) error { + gotRow := false + defer func(begin time.Time) { + e.idxScanCtx.execDetail.update(begin, gotRow) + }(time.Now()) handleStatus := mapPkStatusToHandleStatus(e.idxScanCtx.pkStatus) restoredCols := make([]rowcodec.ColInfo, 0, len(e.idxScanCtx.colInfos)) for _, c := range e.idxScanCtx.colInfos { @@ -644,6 +720,7 @@ func (e *closureExecutor) indexScanProcessCore(key, value []byte) error { } } } + gotRow = true return nil } @@ -672,6 +749,10 @@ type selectionProcessor struct { } func (e *selectionProcessor) Process(key, value []byte) error { + var gotRow bool + defer func(begin time.Time) { + e.selectionCtx.execDetail.update(begin, gotRow) + }(time.Now()) if e.rowCount == e.limit { return dbreader.ScanBreak } @@ -679,7 +760,7 @@ func (e *selectionProcessor) Process(key, value []byte) error { if err != nil { return errors.Trace(err) } - gotRow, err := e.processSelection() + gotRow, err = e.processSelection(false) if err != nil { return err } @@ -702,11 +783,15 @@ type topNProcessor struct { } func (e *topNProcessor) Process(key, value []byte) (err error) { + gotRow := false + defer func(begin time.Time) { + e.topNCtx.execDetail.update(begin, gotRow) + }(time.Now()) if err = e.processCore(key, value); err != nil { return err } if e.hasSelection() { - gotRow, err1 := e.processSelection() + gotRow, err1 := e.processSelection(true) if err1 != nil || !gotRow { return err1 } @@ -728,6 +813,9 @@ func (e *topNProcessor) Process(key, value []byte) (err error) { ctx.sortRow.data[1] = safeCopy(value) ctx.sortRow = e.newTopNSortRow() } + if ctx.heap.err == nil { + gotRow = true + } return errors.Trace(ctx.heap.err) } @@ -768,12 +856,16 @@ type hashAggProcessor struct { } func (e *hashAggProcessor) Process(key, value []byte) (err error) { + incRow := false + defer func(begin time.Time) { + e.aggCtx.execDetail.update(begin, incRow) + }(time.Now()) err = e.processCore(key, value) if err != nil { return err } if e.hasSelection() { - gotRow, err1 := e.processSelection() + gotRow, err1 := e.processSelection(true) if err1 != nil || !gotRow { return err1 } @@ -783,6 +875,7 @@ func (e *hashAggProcessor) Process(key, value []byte) (err error) { if _, ok := e.groups[string(gk)]; !ok { e.groups[string(gk)] = struct{}{} e.groupKeys = append(e.groupKeys, gk) + incRow = true } // Update aggregate expressions. aggCtxs := e.getContexts(gk) diff --git a/store/mockstore/unistore/cophandler/cop_handler.go b/store/mockstore/unistore/cophandler/cop_handler.go index f9fc3045d3c00..00067b13d617d 100644 --- a/store/mockstore/unistore/cophandler/cop_handler.go +++ b/store/mockstore/unistore/cophandler/cop_handler.go @@ -97,7 +97,7 @@ func handleCopDAGRequest(dbReader *dbreader.DBReader, lockStore *lockstore.MemSt return buildResp(nil, nil, dagReq, err, dagCtx.sc.GetWarnings(), time.Since(startTime)) } chunks, err := closureExec.execute() - return buildResp(chunks, closureExec.counts, dagReq, err, dagCtx.sc.GetWarnings(), time.Since(startTime)) + return buildResp(chunks, closureExec, dagReq, err, dagCtx.sc.GetWarnings(), time.Since(startTime)) } func buildDAG(reader *dbreader.DBReader, lockStore *lockstore.MemStore, req *coprocessor.Request) (*dagContext, *tipb.DAGRequest, error) { @@ -288,18 +288,48 @@ func (e *ErrLocked) Error() string { return fmt.Sprintf("key is locked, key: %q, Type: %v, primary: %q, startTS: %v", e.Key, e.LockType, e.Primary, e.StartTS) } -func buildResp(chunks []tipb.Chunk, counts []int64, dagReq *tipb.DAGRequest, err error, warnings []stmtctx.SQLWarn, dur time.Duration) *coprocessor.Response { +func buildResp(chunks []tipb.Chunk, closureExecutor *closureExecutor, dagReq *tipb.DAGRequest, err error, warnings []stmtctx.SQLWarn, dur time.Duration) *coprocessor.Response { resp := &coprocessor.Response{} + var counts []int64 + if closureExecutor != nil { + counts = closureExecutor.counts + } selResp := &tipb.SelectResponse{ Error: toPBError(err), Chunks: chunks, OutputCounts: counts, } + executors := dagReq.Executors if dagReq.CollectExecutionSummaries != nil && *dagReq.CollectExecutionSummaries { - execSummary := make([]*tipb.ExecutorExecutionSummary, len(dagReq.Executors)) + execSummary := make([]*tipb.ExecutorExecutionSummary, len(executors)) for i := range execSummary { - // TODO: Add real executor execution summary information. - execSummary[i] = &tipb.ExecutorExecutionSummary{} + if closureExecutor == nil { + selResp.ExecutionSummaries = execSummary + continue + } + switch executors[i].Tp { + case tipb.ExecType_TypeTableScan: + execSummary[i] = closureExecutor.scanCtx.execDetail.buildSummary() + case tipb.ExecType_TypeIndexScan: + execSummary[i] = closureExecutor.idxScanCtx.execDetail.buildSummary() + case tipb.ExecType_TypeSelection: + execSummary[i] = closureExecutor.selectionCtx.execDetail.buildSummary() + case tipb.ExecType_TypeTopN: + execSummary[i] = closureExecutor.topNCtx.execDetail.buildSummary() + case tipb.ExecType_TypeAggregation, tipb.ExecType_TypeStreamAgg: + execSummary[i] = closureExecutor.aggCtx.execDetail.buildSummary() + case tipb.ExecType_TypeLimit: + costNs := uint64(0) + rows := uint64(closureExecutor.rowCount) + numIter := uint64(1) + execSummary[i] = &tipb.ExecutorExecutionSummary{ + TimeProcessedNs: &costNs, + NumProducedRows: &rows, + NumIterations: &numIter, + } + default: + execSummary[i] = &tipb.ExecutorExecutionSummary{} + } } selResp.ExecutionSummaries = execSummary } From 6785ae626a442327a1dece38ef34bca42c4b4e0d Mon Sep 17 00:00:00 2001 From: Lenshood <7877221+LENSHOOD@users.noreply.github.com> Date: Wed, 4 Nov 2020 14:43:34 +0800 Subject: [PATCH 0142/1021] ddl: support column type change from numeric to other types (#20729) --- ddl/column.go | 7 +- ddl/column_test.go | 6 +- ddl/column_type_change_test.go | 265 +++++++++++++++++++++++++++++++++ ddl/ddl_api.go | 26 +++- types/convert.go | 2 +- types/convert_test.go | 1 + 6 files changed, 301 insertions(+), 6 deletions(-) diff --git a/ddl/column.go b/ddl/column.go index f71dc76dd64b1..60dc9dc1e057f 100644 --- a/ddl/column.go +++ b/ddl/column.go @@ -717,6 +717,11 @@ func needChangeColumnData(oldCol, newCol *model.ColumnInfo) bool { case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: return needTruncationOrToggleSign() } + case mysql.TypeFloat, mysql.TypeDouble: + switch newCol.Tp { + case mysql.TypeFloat, mysql.TypeDouble: + return needTruncationOrToggleSign() + } } return true @@ -1047,7 +1052,7 @@ func (w *worker) doModifyColumnTypeWithData( func needRollbackData(err error) bool { return kv.ErrKeyExists.Equal(err) || errCancelledDDLJob.Equal(err) || errCantDecodeRecord.Equal(err) || types.ErrOverflow.Equal(err) || types.ErrDataTooLong.Equal(err) || types.ErrTruncated.Equal(err) || - json.ErrInvalidJSONText.Equal(err) || types.ErrBadNumber.Equal(err) + json.ErrInvalidJSONText.Equal(err) || types.ErrBadNumber.Equal(err) || types.ErrWrongValue.Equal(err) } // BuildElements is exported for testing. diff --git a/ddl/column_test.go b/ddl/column_test.go index 1ce4d641f56c7..e080a7e3e6bd1 100644 --- a/ddl/column_test.go +++ b/ddl/column_test.go @@ -1162,9 +1162,9 @@ func (s *testColumnSuite) TestModifyColumn(c *C) { {"decimal(2,1)", "decimal(3,2)", errUnsupportedModifyColumn.GenWithStackByArgs("decimal change from decimal(2, 1) to decimal(3, 2), and tidb_enable_change_column_type is false")}, {"decimal(2,1)", "decimal(2,2)", errUnsupportedModifyColumn.GenWithStackByArgs("decimal change from decimal(2, 1) to decimal(2, 2), and tidb_enable_change_column_type is false")}, {"decimal(2,1)", "decimal(2,1)", nil}, - {"decimal(2,1)", "int", errUnsupportedModifyColumn.GenWithStackByArgs("type int(11) not match origin decimal(2,1)")}, - {"decimal", "int", errUnsupportedModifyColumn.GenWithStackByArgs("type int(11) not match origin decimal(11,0)")}, - {"decimal(2,1)", "bigint", errUnsupportedModifyColumn.GenWithStackByArgs("type bigint(20) not match origin decimal(2,1)")}, + {"decimal(2,1)", "int", errUnsupportedModifyColumn.GenWithStackByArgs("type int(11) not match origin decimal(2,1), and tidb_enable_change_column_type is false")}, + {"decimal", "int", errUnsupportedModifyColumn.GenWithStackByArgs("type int(11) not match origin decimal(11,0), and tidb_enable_change_column_type is false")}, + {"decimal(2,1)", "bigint", errUnsupportedModifyColumn.GenWithStackByArgs("type bigint(20) not match origin decimal(2,1), and tidb_enable_change_column_type is false")}, } for _, tt := range tests { ftA := s.colDefStrToFieldType(c, tt.origin) diff --git a/ddl/column_type_change_test.go b/ddl/column_type_change_test.go index 52450f8b7511e..4f3207d032b96 100644 --- a/ddl/column_type_change_test.go +++ b/ddl/column_type_change_test.go @@ -674,3 +674,268 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromStringToOthers(c *C) tk.MustExec("insert into t(vc) values ('abc')") tk.MustGetErrCode("alter table t modify vc decimal(5,3)", mysql.ErrBadNumber) } + +func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromNumericToOthers(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + // Enable column change variable. + tk.Se.GetSessionVars().EnableChangeColumnType = true + + // Set time zone to UTC. + originalTz := tk.Se.GetSessionVars().TimeZone + tk.Se.GetSessionVars().TimeZone = time.UTC + defer func() { + tk.Se.GetSessionVars().EnableChangeColumnType = false + tk.Se.GetSessionVars().TimeZone = originalTz + }() + + // Init string date type table. + reset := func(tk *testkit.TestKit) { + tk.MustExec("drop table if exists t") + tk.MustExec(` + create table t ( + d decimal(13, 7), + n numeric(5, 2), + r real(20, 12), + db real(32, 11), + f32 float(23), + f64 double(46), + b bit(5) + ) + `) + } + + // To integer data types. + // tinyint + reset(tk) + tk.MustExec("insert into t values (-258.12345, 333.33, 2000000.20000002, 323232323.3232323232, -111.11111111, -222222222222.222222222222222, b'10101')") + tk.MustGetErrCode("alter table t modify d tinyint", mysql.ErrDataOutOfRange) + tk.MustGetErrCode("alter table t modify n tinyint", mysql.ErrDataOutOfRange) + tk.MustGetErrCode("alter table t modify r tinyint", mysql.ErrDataOutOfRange) + tk.MustGetErrCode("alter table t modify db tinyint", mysql.ErrDataOutOfRange) + tk.MustExec("alter table t modify f32 tinyint") + tk.MustGetErrCode("alter table t modify f64 tinyint", mysql.ErrDataOutOfRange) + tk.MustExec("alter table t modify b tinyint") + tk.MustQuery("select * from t").Check(testkit.Rows("-258.1234500 333.33 2000000.20000002 323232323.32323235 -111 -222222222222.22223 21")) + // int + reset(tk) + tk.MustExec("insert into t values (-258.12345, 333.33, 2000000.20000002, 323232323.3232323232, -111.11111111, -222222222222.222222222222222, b'10101')") + tk.MustExec("alter table t modify d int") + tk.MustExec("alter table t modify n int") + tk.MustExec("alter table t modify r int") + tk.MustExec("alter table t modify db int") + tk.MustExec("alter table t modify f32 int") + tk.MustGetErrCode("alter table t modify f64 int", mysql.ErrDataOutOfRange) + tk.MustExec("alter table t modify b int") + tk.MustQuery("select * from t").Check(testkit.Rows("-258 333 2000000 323232323 -111 -222222222222.22223 21")) + // bigint + reset(tk) + tk.MustExec("insert into t values (-258.12345, 333.33, 2000000.20000002, 323232323.3232323232, -111.11111111, -222222222222.222222222222222, b'10101')") + tk.MustExec("alter table t modify d bigint") + tk.MustExec("alter table t modify n bigint") + tk.MustExec("alter table t modify r bigint") + tk.MustExec("alter table t modify db bigint") + tk.MustExec("alter table t modify f32 bigint") + tk.MustExec("alter table t modify f64 bigint") + tk.MustExec("alter table t modify b bigint") + tk.MustQuery("select * from t").Check(testkit.Rows("-258 333 2000000 323232323 -111 -222222222222 21")) + // unsigned bigint + reset(tk) + tk.MustExec("insert into t values (-258.12345, 333.33, 2000000.20000002, 323232323.3232323232, -111.11111111, -222222222222.222222222222222, b'10101')") + // MySQL will get "ERROR 1264 (22001): Data truncation: Out of range value for column 'd' at row 1". + tk.MustGetErrCode("alter table t modify d bigint unsigned", mysql.ErrDataOutOfRange) + tk.MustExec("alter table t modify n bigint unsigned") + tk.MustExec("alter table t modify r bigint unsigned") + tk.MustExec("alter table t modify db bigint unsigned") + // MySQL will get "ERROR 1264 (22001): Data truncation: Out of range value for column 'f32' at row 1". + tk.MustGetErrCode("alter table t modify f32 bigint unsigned", mysql.ErrDataOutOfRange) + // MySQL will get "ERROR 1264 (22001): Data truncation: Out of range value for column 'f64' at row 1". + tk.MustGetErrCode("alter table t modify f64 bigint unsigned", mysql.ErrDataOutOfRange) + tk.MustExec("alter table t modify b int") + tk.MustQuery("select * from t").Check(testkit.Rows("-258.1234500 333 2000000 323232323 -111.111115 -222222222222.22223 21")) + + // To string data types. + // char + reset(tk) + tk.MustExec("insert into t values (-258.12345, 333.33, 2000000.20000002, 323232323.3232323232, -111.11111111, -222222222222.222222222222222, b'10101')") + tk.MustExec("alter table t modify d char(20)") + tk.MustExec("alter table t modify n char(20)") + tk.MustExec("alter table t modify r char(20)") + // MySQL will get "ERROR 1406 (22001): Data truncation: Data too long for column 'db' at row 1". + tk.MustExec("alter table t modify db char(20)") + // MySQL will get "-111.111" rather than "-111.111115" at TiDB. + tk.MustExec("alter table t modify f32 char(20)") + // MySQL will get "ERROR 1406 (22001): Data truncation: Data too long for column 'f64' at row 1". + tk.MustExec("alter table t modify f64 char(20)") + tk.MustExec("alter table t modify b char(20)") + tk.MustQuery("select * from t").Check(testkit.Rows("-258.1234500 333.33 2000000.20000002 323232323.32323235 -111.111115 -222222222222.22223 \x15")) + + // varchar + reset(tk) + tk.MustExec("insert into t values (-258.12345, 333.33, 2000000.20000002, 323232323.3232323232, -111.11111111, -222222222222.222222222222222, b'10101')") + tk.MustExec("alter table t modify d varchar(30)") + tk.MustExec("alter table t modify n varchar(30)") + tk.MustExec("alter table t modify r varchar(30)") + tk.MustExec("alter table t modify db varchar(30)") + // MySQL will get "-111.111" rather than "-111.111115" at TiDB. + tk.MustExec("alter table t modify f32 varchar(30)") + // MySQL will get "ERROR 1406 (22001): Data truncation: Data too long for column 'f64' at row 1". + tk.MustExec("alter table t modify f64 varchar(30)") + tk.MustExec("alter table t modify b varchar(30)") + tk.MustQuery("select * from t").Check(testkit.Rows("-258.1234500 333.33 2000000.20000002 323232323.32323235 -111.111115 -222222222222.22223 \x15")) + + // binary + reset(tk) + tk.MustExec("insert into t values (-258.12345, 333.33, 2000000.20000002, 323232323.3232323232, -111.11111111, -222222222222.222222222222222, b'10101')") + tk.MustGetErrCode("alter table t modify d binary(10)", mysql.ErrDataTooLong) + tk.MustExec("alter table t modify n binary(10)") + tk.MustGetErrCode("alter table t modify r binary(10)", mysql.ErrDataTooLong) + tk.MustGetErrCode("alter table t modify db binary(10)", mysql.ErrDataTooLong) + // MySQL will run with no error. + tk.MustGetErrCode("alter table t modify f32 binary(10)", mysql.ErrDataTooLong) + tk.MustGetErrCode("alter table t modify f64 binary(10)", mysql.ErrDataTooLong) + tk.MustExec("alter table t modify b binary(10)") + tk.MustQuery("select * from t").Check(testkit.Rows("-258.1234500 333.33\x00\x00\x00\x00 2000000.20000002 323232323.32323235 -111.111115 -222222222222.22223 \x15\x00\x00\x00\x00\x00\x00\x00\x00\x00")) + + // varbinary + reset(tk) + tk.MustExec("insert into t values (-258.12345, 333.33, 2000000.20000002, 323232323.3232323232, -111.11111111, -222222222222.222222222222222, b'10101')") + tk.MustExec("alter table t modify d varbinary(30)") + tk.MustExec("alter table t modify n varbinary(30)") + tk.MustExec("alter table t modify r varbinary(30)") + tk.MustExec("alter table t modify db varbinary(30)") + // MySQL will get "-111.111" rather than "-111.111115" at TiDB. + tk.MustExec("alter table t modify f32 varbinary(30)") + // MySQL will get "ERROR 1406 (22001): Data truncation: Data too long for column 'f64' at row 1". + tk.MustExec("alter table t modify f64 varbinary(30)") + tk.MustExec("alter table t modify b varbinary(30)") + tk.MustQuery("select * from t").Check(testkit.Rows("-258.1234500 333.33 2000000.20000002 323232323.32323235 -111.111115 -222222222222.22223 \x15")) + + // blob + reset(tk) + tk.MustExec("insert into t values (-258.12345, 333.33, 2000000.20000002, 323232323.3232323232, -111.11111111, -222222222222.222222222222222, b'10101')") + tk.MustExec("alter table t modify d blob") + tk.MustExec("alter table t modify n blob") + tk.MustExec("alter table t modify r blob") + tk.MustExec("alter table t modify db blob") + // MySQL will get "-111.111" rather than "-111.111115" at TiDB. + tk.MustExec("alter table t modify f32 blob") + tk.MustExec("alter table t modify f64 blob") + tk.MustExec("alter table t modify b blob") + tk.MustQuery("select * from t").Check(testkit.Rows("-258.1234500 333.33 2000000.20000002 323232323.32323235 -111.111115 -222222222222.22223 \x15")) + + // text + reset(tk) + tk.MustExec("insert into t values (-258.12345, 333.33, 2000000.20000002, 323232323.3232323232, -111.11111111, -222222222222.222222222222222, b'10101')") + tk.MustExec("alter table t modify d text") + tk.MustExec("alter table t modify n text") + tk.MustExec("alter table t modify r text") + tk.MustExec("alter table t modify db text") + // MySQL will get "-111.111" rather than "-111.111115" at TiDB. + tk.MustExec("alter table t modify f32 text") + tk.MustExec("alter table t modify f64 text") + tk.MustExec("alter table t modify b text") + tk.MustQuery("select * from t").Check(testkit.Rows("-258.1234500 333.33 2000000.20000002 323232323.32323235 -111.111115 -222222222222.22223 \x15")) + + // enum + reset(tk) + tk.MustExec("insert into t values (-258.12345, 333.33, 2000000.20000002, 323232323.3232323232, -111.111, -222222222222.222222222222222, b'10101')") + tk.MustGetErrCode("alter table t modify d enum('-258.12345', '333.33', '2000000.20000002', '323232323.3232323232', '-111.111', '-222222222222.222222222222222', b'10101')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify n enum('-258.12345', '333.33', '2000000.20000002', '323232323.3232323232', '-111.111', '-222222222222.222222222222222', b'10101')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify r enum('-258.12345', '333.33', '2000000.20000002', '323232323.3232323232', '-111.111', '-222222222222.222222222222222', b'10101')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify db enum('-258.12345', '333.33', '2000000.20000002', '323232323.3232323232', '-111.111', '-222222222222.222222222222222', b'10101')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify f32 enum('-258.12345', '333.33', '2000000.20000002', '323232323.3232323232', '-111.111', '-222222222222.222222222222222', b'10101')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify f64 enum('-258.12345', '333.33', '2000000.20000002', '323232323.3232323232', '-111.111', '-222222222222.222222222222222', b'10101')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify b enum('-258.12345', '333.33', '2000000.20000002', '323232323.3232323232', '-111.111', '-222222222222.222222222222222', b'10101')", mysql.ErrUnsupportedDDLOperation) + tk.MustQuery("select * from t").Check(testkit.Rows("-258.1234500 333.33 2000000.20000002 323232323.32323235 -111.111 -222222222222.22223 \x15")) + + // set + reset(tk) + tk.MustExec("insert into t values (-258.12345, 333.33, 2000000.20000002, 323232323.3232323232, -111.111, -222222222222.222222222222222, b'10101')") + tk.MustGetErrCode("alter table t modify d set('-258.12345', '333.33', '2000000.20000002', '323232323.3232323232', '-111.111', '-222222222222.222222222222222', b'10101')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify n set('-258.12345', '333.33', '2000000.20000002', '323232323.3232323232', '-111.111', '-222222222222.222222222222222', b'10101')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify r set('-258.12345', '333.33', '2000000.20000002', '323232323.3232323232', '-111.111', '-222222222222.222222222222222', b'10101')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify db set('-258.12345', '333.33', '2000000.20000002', '323232323.3232323232', '-111.111', '-222222222222.222222222222222', b'10101')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify f32 set('-258.12345', '333.33', '2000000.20000002', '323232323.3232323232', '-111.111', '-222222222222.222222222222222', b'10101')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify f64 set('-258.12345', '333.33', '2000000.20000002', '323232323.3232323232', '-111.111', '-222222222222.222222222222222', b'10101')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify b set('-258.12345', '333.33', '2000000.20000002', '323232323.3232323232', '-111.111', '-222222222222.222222222222222', b'10101')", mysql.ErrUnsupportedDDLOperation) + tk.MustQuery("select * from t").Check(testkit.Rows("-258.1234500 333.33 2000000.20000002 323232323.32323235 -111.111 -222222222222.22223 \x15")) + + // To date and time data types. + // datetime + reset(tk) + tk.MustExec("insert into t values (200805.11, 307.333, 20200805.11111111, 20200805111307.11111111, 200805111307.11111111, 20200805111307.11111111, b'10101')") + // MySQL will get "ERROR 1292 (22001) Data truncation: Incorrect datetime value: '200805.1100000' for column 'd' at row 1". + tk.MustExec("alter table t modify d datetime") + // MySQL will get "ERROR 1292 (22001) Data truncation: Incorrect datetime value: '307.33' for column 'n' at row 1". + tk.MustExec("alter table t modify n datetime") + tk.MustGetErrCode("alter table t modify r datetime", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify db datetime", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify f32 datetime", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify f64 datetime", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify b datetime", mysql.ErrUnsupportedDDLOperation) + tk.MustQuery("select * from t").Check(testkit.Rows("2020-08-05 00:00:00 2000-03-07 00:00:00 20200805.11111111 20200805111307.11 200805100000 20200805111307.11 \x15")) + // time + reset(tk) + tk.MustExec("insert into t values (200805.11, 307.333, 20200805.11111111, 20200805111307.11111111, 200805111307.11111111, 20200805111307.11111111, b'10101')") + tk.MustExec("alter table t modify d time") + tk.MustExec("alter table t modify n time") + tk.MustGetErrCode("alter table t modify r time", mysql.ErrTruncatedWrongValue) + tk.MustExec("alter table t modify db time") + tk.MustExec("alter table t modify f32 time") + tk.MustExec("alter table t modify f64 time") + tk.MustGetErrCode("alter table t modify b time", mysql.ErrUnsupportedDDLOperation) + tk.MustQuery("select * from t").Check(testkit.Rows("20:08:05 00:03:07 20200805.11111111 11:13:07 10:00:00 11:13:07 \x15")) + // date + reset(tk) + tk.MustExec("insert into t values (200805.11, 307.333, 20200805.11111111, 20200805111307.11111111, 200805111307.11111111, 20200805111307.11111111, b'10101')") + // MySQL will get "ERROR 1292 (22001) Data truncation: Incorrect date value: '200805.1100000' for column 'd' at row 1". + tk.MustExec("alter table t modify d date") + // MySQL will get "ERROR 1292 (22001) Data truncation: Incorrect date value: '307.33' for column 'n' at row 1". + tk.MustExec("alter table t modify n date") + tk.MustGetErrCode("alter table t modify r date", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify db date", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify f32 date", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify f64 date", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify b date", mysql.ErrUnsupportedDDLOperation) + tk.MustQuery("select * from t").Check(testkit.Rows("2020-08-05 2000-03-07 20200805.11111111 20200805111307.11 200805100000 20200805111307.11 \x15")) + // timestamp + reset(tk) + tk.MustExec("insert into t values (200805.11, 307.333, 20200805.11111111, 20200805111307.11111111, 200805111307.11111111, 20200805111307.11111111, b'10101')") + // MySQL will get "ERROR 1292 (22001) Data truncation: Incorrect datetime value: '200805.1100000' for column 'd' at row 1". + tk.MustExec("alter table t modify d timestamp") + // MySQL will get "ERROR 1292 (22001) Data truncation: Incorrect datetime value: '307.33' for column 'n' at row 1". + tk.MustExec("alter table t modify n timestamp") + tk.MustGetErrCode("alter table t modify r timestamp", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify db timestamp", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify f32 timestamp", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify f64 timestamp", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify b timestamp", mysql.ErrUnsupportedDDLOperation) + tk.MustQuery("select * from t").Check(testkit.Rows("2020-08-05 00:00:00 2000-03-07 00:00:00 20200805.11111111 20200805111307.11 200805100000 20200805111307.11 \x15")) + // year + reset(tk) + tk.MustExec("insert into t values (200805.11, 307.333, 2.55555, 98.1111111, 2154.00001, 20200805111307.11111111, b'10101')") + tk.MustGetErrCode("alter table t modify d year", mysql.ErrDataOutOfRange) + tk.MustGetErrCode("alter table t modify n year", mysql.ErrDataOutOfRange) + // MySQL will get "ERROR 1264 (22001) Data truncation: Out of range value for column 'r' at row 1". + tk.MustExec("alter table t modify r year") + // MySQL will get "ERROR 1264 (22001) Data truncation: Out of range value for column 'db' at row 1". + tk.MustExec("alter table t modify db year") + // MySQL will get "ERROR 1264 (22001) Data truncation: Out of range value for column 'f32' at row 1". + tk.MustExec("alter table t modify f32 year") + tk.MustGetErrCode("alter table t modify f64 year", mysql.ErrDataOutOfRange) + tk.MustExec("alter table t modify b year") + tk.MustQuery("select * from t").Check(testkit.Rows("200805.1100000 307.33 2003 1998 2154 20200805111307.11 2021")) + + // To json data type. + reset(tk) + tk.MustExec("insert into t values (-258.12345, 333.33, 2000000.20000002, 323232323.3232323232, -111.11111111, -222222222222.222222222222222, b'10101')") + tk.MustExec("alter table t modify d json") + tk.MustExec("alter table t modify n json") + tk.MustExec("alter table t modify r json") + tk.MustExec("alter table t modify db json") + tk.MustExec("alter table t modify f32 json") + tk.MustExec("alter table t modify f64 json") + tk.MustExec("alter table t modify b json") + tk.MustQuery("select * from t").Check(testkit.Rows("-258.12345 333.33 2000000.20000002 323232323.32323235 -111.11111450195312 -222222222222.22223 \"\\u0015\"")) +} diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index a629e81d756db..20a508c8cfbc2 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -3400,6 +3400,26 @@ func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (al // Changing integer to other types, reorg is absolutely necessary. return unsupportedMsg, errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) } + case mysql.TypeFloat, mysql.TypeDouble: + switch to.Tp { + case mysql.TypeFloat, mysql.TypeDouble: + skipSignCheck = true + skipLenCheck = true + case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeTimestamp, mysql.TypeEnum, mysql.TypeSet: + // TODO: Currently float/double cast to date/datetime/timestamp/enum/set are all not support yet, should fix here after supported. + return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) + default: + return unsupportedMsg, errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) + } + case mysql.TypeBit: + switch to.Tp { + case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeTimestamp, mysql.TypeDuration, mysql.TypeEnum, mysql.TypeSet: + // TODO: Currently bit cast to date/datetime/timestamp/time/enum/set are all not support yet, should fix here after supported. + return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) + case mysql.TypeBit: + default: + return unsupportedMsg, errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) + } case mysql.TypeEnum, mysql.TypeSet: var typeVar string if origin.Tp == mysql.TypeEnum { @@ -3432,7 +3452,11 @@ func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (al } case mysql.TypeNewDecimal: if origin.Tp != to.Tp { - return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) + switch to.Tp { + case mysql.TypeEnum, mysql.TypeSet: + return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) + } + return unsupportedMsg, errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) } // Floating-point and fixed-point types also can be UNSIGNED. As with integer types, this attribute prevents // negative values from being stored in the column. Unlike the integer types, the upper range of column values diff --git a/types/convert.go b/types/convert.go index f3f8d291aeedf..c5c3982ee4cec 100644 --- a/types/convert.go +++ b/types/convert.go @@ -264,7 +264,7 @@ func convertDecimalStrToUint(sc *stmtctx.StatementContext, str string, upperBoun val, err := strconv.ParseUint(intStr, 10, 64) if err != nil { - return val, errors.Trace(err) + return val, overflow(str, tp) } return val + round, nil } diff --git a/types/convert_test.go b/types/convert_test.go index 950a3c8e9b0e3..cc168cd8c365f 100644 --- a/types/convert_test.go +++ b/types/convert_test.go @@ -1160,6 +1160,7 @@ func (s *testTypeConvertSuite) TestConvertDecimalStrToUint(c *C) { {"18446744073709551614.55", 18446744073709551615, true}, {"18446744073709551615.344", 18446744073709551615, true}, {"18446744073709551615.544", 0, false}, + {"-111.111", 0, false}, } for _, ca := range cases { result, err := convertDecimalStrToUint(&stmtctx.StatementContext{}, ca.input, math.MaxUint64, 0) From a53c1d05b131e800c760461b511c58f262e49034 Mon Sep 17 00:00:00 2001 From: lei yu Date: Wed, 4 Nov 2020 15:21:01 +0800 Subject: [PATCH 0143/1021] expression: Support some cast functions push down to TiFlash (#20787) --- expression/expr_to_pb_test.go | 94 +++++++++++++++++++ expression/expression.go | 6 +- expression/integration_test.go | 5 +- .../integration_serial_suite_out.json | 11 ++- session/bootstrap.go | 3 +- 5 files changed, 108 insertions(+), 11 deletions(-) diff --git a/expression/expr_to_pb_test.go b/expression/expr_to_pb_test.go index bbfe7ee6853d6..7c9bdd12c1d0b 100644 --- a/expression/expr_to_pb_test.go +++ b/expression/expr_to_pb_test.go @@ -608,6 +608,10 @@ func (s *testEvaluatorSuite) TestExprPushDownToFlash(c *C) { jsonColumn := dg.genColumn(mysql.TypeJSON, 1) intColumn := dg.genColumn(mysql.TypeLonglong, 2) + realColumn := dg.genColumn(mysql.TypeDouble, 3) + decimalColumn := dg.genColumn(mysql.TypeNewDecimal, 4) + stringColumn := dg.genColumn(mysql.TypeString, 5) + datetimeColumn := dg.genColumn(mysql.TypeDatetime, 6) function, err := NewFunction(mock.NewContext(), ast.JSONLength, types.NewFieldType(mysql.TypeLonglong), jsonColumn) c.Assert(err, IsNil) exprs = append(exprs, function) @@ -624,6 +628,96 @@ func (s *testEvaluatorSuite) TestExprPushDownToFlash(c *C) { c.Assert(err, IsNil) exprs = append(exprs, function) + // CastIntAsInt + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeLonglong), intColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + + // CastRealAsInt + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeLonglong), realColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + + // CastDecimalAsInt + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeLonglong), decimalColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + + // CastStringAsInt + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeLonglong), stringColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + + // CastTimeAsInt + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeLonglong), datetimeColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + + // CastIntAsDecimal + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeNewDecimal), intColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + + // CastRealAsDecimal + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeNewDecimal), realColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + + // CastDecimalAsDecimal + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeNewDecimal), decimalColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + + // CastStringAsDecimal + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeNewDecimal), stringColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + + // CastTimeAsDecimal + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeNewDecimal), datetimeColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + + // CastIntAsString + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeString), intColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + + // CastRealAsString + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeString), realColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + + // CastDecimalAsString + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeString), decimalColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + + // CastStringAsString + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeString), stringColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + + // CastIntAsTime + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeDatetime), intColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + + // CastRealAsTime + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeDatetime), realColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + + // CastDecimalAsTime + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeDatetime), decimalColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + + // CastTimeAsTime + function, err = NewFunction(mock.NewContext(), ast.Cast, types.NewFieldType(mysql.TypeDatetime), datetimeColumn) + c.Assert(err, IsNil) + exprs = append(exprs, function) + canPush := CanExprsPushDown(sc, exprs, client, kv.TiFlash) c.Assert(canPush, Equals, true) diff --git a/expression/expression.go b/expression/expression.go index 91e9a691d3789..2ab1c47d240b7 100644 --- a/expression/expression.go +++ b/expression/expression.go @@ -1180,7 +1180,11 @@ func scalarExprSupportedByFlash(function *ScalarFunction) bool { return true case ast.Cast: switch function.Function.PbCode() { - case tipb.ScalarFuncSig_CastIntAsDecimal: + case tipb.ScalarFuncSig_CastIntAsInt, tipb.ScalarFuncSig_CastIntAsDecimal, tipb.ScalarFuncSig_CastIntAsString, tipb.ScalarFuncSig_CastIntAsTime, + tipb.ScalarFuncSig_CastRealAsInt, tipb.ScalarFuncSig_CastRealAsDecimal, tipb.ScalarFuncSig_CastRealAsString, tipb.ScalarFuncSig_CastRealAsTime, + tipb.ScalarFuncSig_CastStringAsInt, tipb.ScalarFuncSig_CastStringAsDecimal, tipb.ScalarFuncSig_CastStringAsString, tipb.ScalarFuncSig_CastStringAsTime, + tipb.ScalarFuncSig_CastDecimalAsInt, tipb.ScalarFuncSig_CastDecimalAsDecimal, tipb.ScalarFuncSig_CastDecimalAsString, tipb.ScalarFuncSig_CastDecimalAsTime, + tipb.ScalarFuncSig_CastTimeAsInt, tipb.ScalarFuncSig_CastTimeAsDecimal, tipb.ScalarFuncSig_CastTimeAsTime: return true default: return false diff --git a/expression/integration_test.go b/expression/integration_test.go index af0825acba489..bc6f4f8a5c9c2 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -5235,8 +5235,7 @@ func (s *testIntegrationSuite) TestIssue16973(c *C) { func (s *testIntegrationSuite) TestExprPushdownBlacklist(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustQuery(`select * from mysql.expr_pushdown_blacklist`).Check(testkit.Rows( - "date_add tiflash DST(daylight saving time) does not take effect in TiFlash date_add", - "cast tiflash Behavior of some corner cases(overflow, truncate etc) is different in TiFlash and TiDB")) + "date_add tiflash DST(daylight saving time) does not take effect in TiFlash date_add")) tk.MustExec("use test") tk.MustExec("drop table if exists t") @@ -5257,7 +5256,7 @@ func (s *testIntegrationSuite) TestExprPushdownBlacklist(c *C) { } tk.MustExec("insert into mysql.expr_pushdown_blacklist " + - "values('<', 'tikv,tiflash,tidb', 'for test'),('date_format', 'tikv', 'for test')") + "values('<', 'tikv,tiflash,tidb', 'for test'),('cast', 'tiflash', 'for test'),('date_format', 'tikv', 'for test')") tk.MustExec("admin reload expr_pushdown_blacklist") tk.MustExec("set @@session.tidb_isolation_read_engines = 'tiflash'") diff --git a/planner/core/testdata/integration_serial_suite_out.json b/planner/core/testdata/integration_serial_suite_out.json index de270dae6feac..ac427f04cb885 100644 --- a/planner/core/testdata/integration_serial_suite_out.json +++ b/planner/core/testdata/integration_serial_suite_out.json @@ -21,12 +21,13 @@ { "SQL": "explain select * from t where b > 'a' order by convert(b, unsigned) limit 2", "Plan": [ - "Projection_17 2.00 root test.t.a, test.t.b", + "Projection_18 2.00 root test.t.a, test.t.b", "└─TopN_8 2.00 root Column#3, offset:0, count:2", - " └─Projection_18 3333.33 root test.t.a, test.t.b, cast(test.t.b, bigint(22) UNSIGNED BINARY)->Column#3", - " └─TableReader_13 3333.33 root data:Selection_12", - " └─Selection_12 3333.33 cop[tiflash] gt(test.t.b, \"a\")", - " └─TableFullScan_11 10000.00 cop[tiflash] table:t keep order:false, stats:pseudo" + " └─Projection_19 2.00 root test.t.a, test.t.b, cast(test.t.b, bigint(22) UNSIGNED BINARY)->Column#3", + " └─TableReader_14 2.00 root data:TopN_13", + " └─TopN_13 2.00 cop[tiflash] cast(test.t.b), offset:0, count:2", + " └─Selection_12 3333.33 cop[tiflash] gt(test.t.b, \"a\")", + " └─TableFullScan_11 10000.00 cop[tiflash] table:t keep order:false, stats:pseudo" ] }, { diff --git a/session/bootstrap.go b/session/bootstrap.go index 7515d45624a05..caa8f4fb257bd 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -1048,8 +1048,7 @@ func upgradeToVer41(s Session, ver int64) { // writeDefaultExprPushDownBlacklist writes default expr pushdown blacklist into mysql.expr_pushdown_blacklist func writeDefaultExprPushDownBlacklist(s Session) { mustExecute(s, "INSERT HIGH_PRIORITY INTO mysql.expr_pushdown_blacklist VALUES"+ - "('date_add','tiflash', 'DST(daylight saving time) does not take effect in TiFlash date_add'),"+ - "('cast','tiflash', 'Behavior of some corner cases(overflow, truncate etc) is different in TiFlash and TiDB')") + "('date_add','tiflash', 'DST(daylight saving time) does not take effect in TiFlash date_add')") } func upgradeToVer42(s Session, ver int64) { From aa2b83210d390260fec5053cbfe01e321a7670d7 Mon Sep 17 00:00:00 2001 From: wjHuang Date: Wed, 4 Nov 2020 15:58:34 +0800 Subject: [PATCH 0144/1021] planner: make pushdown limit use its child schema (#20807) --- expression/integration_test.go | 9 +++++++++ go.sum | 1 + planner/core/task.go | 2 ++ 3 files changed, 12 insertions(+) diff --git a/expression/integration_test.go b/expression/integration_test.go index bc6f4f8a5c9c2..6b3294e22306a 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -6040,6 +6040,15 @@ func (s *testIntegrationSerialSuite) TestCacheConstEval(c *C) { tk.MustExec("admin reload expr_pushdown_blacklist") } +func (s *testSuite) TestVirtualGeneratedColumnAndLimit(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t (a int, b int as (a + 1));") + tk.MustExec("insert into t(a) values (1);") + tk.MustQuery("select /*+ LIMIT_TO_COP() */ b from t limit 1;").Check(testkit.Rows("2")) + tk.MustQuery("select /*+ LIMIT_TO_COP() */ b from t order by b limit 1;").Check(testkit.Rows("2")) +} + func (s *testIntegrationSerialSuite) TestCollationBasic(c *C) { tk := testkit.NewTestKit(c, s.store) collate.SetNewCollationEnabledForTest(true) diff --git a/go.sum b/go.sum index 6ebe07e8f4d4f..9ee9a5c5f9fa2 100644 --- a/go.sum +++ b/go.sum @@ -5,6 +5,7 @@ cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6A cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY= cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc= cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0= +cloud.google.com/go v0.50.0 h1:0E3eE8MX426vUOs7aHfI7aN1BrIzzzf4ccKCSfSjGmc= cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To= cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o= cloud.google.com/go/bigquery v1.3.0 h1:sAbMqjY1PEQKZBWfbu6Y6bsupJ9c4QdHnzg/VvYTLcE= diff --git a/planner/core/task.go b/planner/core/task.go index defba9a8dab06..e51d3d9ddfa0b 100644 --- a/planner/core/task.go +++ b/planner/core/task.go @@ -835,6 +835,8 @@ func (p *PhysicalLimit) attach2Task(tasks ...task) task { stats := deriveLimitStats(childProfile, float64(newCount)) pushedDownLimit := PhysicalLimit{Count: newCount}.Init(p.ctx, stats, p.blockOffset) cop = attachPlan2Task(pushedDownLimit, cop).(*copTask) + // Don't use clone() so that Limit and its children share the same schema. Otherwise the virtual generated column may not be resolved right. + pushedDownLimit.SetSchema(pushedDownLimit.children[0].Schema()) } t = finishCopTask(p.ctx, cop) sunk = p.sinkIntoIndexLookUp(t) From 04729d2b25b155f351d90f990d7550fcf3fc1143 Mon Sep 17 00:00:00 2001 From: "Zhuomin(Charming) Liu" Date: Wed, 4 Nov 2020 16:12:01 +0800 Subject: [PATCH 0145/1021] executor: fix wrong default zero value for year type (#20824) --- executor/insert_test.go | 16 ++++++++++++++++ table/column.go | 4 +++- 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/executor/insert_test.go b/executor/insert_test.go index 6ac541a42672e..96247c7a67927 100644 --- a/executor/insert_test.go +++ b/executor/insert_test.go @@ -1484,6 +1484,22 @@ func (s *testSerialSuite) TestDuplicateEntryMessage(c *C) { } } +func (s *testSerialSuite) TestIssue20768(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a year, primary key(a))") + tk.MustExec("insert ignore into t1 values(null)") + tk.MustExec("create table t2(a int, key(a))") + tk.MustExec("insert into t2 values(0)") + tk.MustQuery("select /*+ hash_join(t1) */ * from t1 join t2 on t1.a = t2.a").Check(testkit.Rows("0 0")) + tk.MustQuery("select /*+ inl_join(t1) */ * from t1 join t2 on t1.a = t2.a").Check(testkit.Rows("0 0")) + tk.MustQuery("select /*+ inl_join(t2) */ * from t1 join t2 on t1.a = t2.a").Check(testkit.Rows("0 0")) + tk.MustQuery("select /*+ inl_hash_join(t1) */ * from t1 join t2 on t1.a = t2.a").Check(testkit.Rows("0 0")) + tk.MustQuery("select /*+ inl_merge_join(t1) */ * from t1 join t2 on t1.a = t2.a").Check(testkit.Rows("0 0")) + tk.MustQuery("select /*+ merge_join(t1) */ * from t1 join t2 on t1.a = t2.a").Check(testkit.Rows("0 0")) +} + func combination(items []string) func() []string { current := 1 buf := make([]string, len(items)) diff --git a/table/column.go b/table/column.go index 783be21341d7e..6f797e1d117cc 100644 --- a/table/column.go +++ b/table/column.go @@ -517,12 +517,14 @@ func getColDefaultValueFromNil(ctx sessionctx.Context, col *model.ColumnInfo) (t func GetZeroValue(col *model.ColumnInfo) types.Datum { var d types.Datum switch col.Tp { - case mysql.TypeTiny, mysql.TypeInt24, mysql.TypeShort, mysql.TypeLong, mysql.TypeLonglong, mysql.TypeYear: + case mysql.TypeTiny, mysql.TypeInt24, mysql.TypeShort, mysql.TypeLong, mysql.TypeLonglong: if mysql.HasUnsignedFlag(col.Flag) { d.SetUint64(0) } else { d.SetInt64(0) } + case mysql.TypeYear: + d.SetInt64(0) case mysql.TypeFloat: d.SetFloat32(0) case mysql.TypeDouble: From ae5dc3f69a9304849684ae76aead6b34f1b6945d Mon Sep 17 00:00:00 2001 From: crazycs Date: Wed, 4 Nov 2020 16:27:01 +0800 Subject: [PATCH 0146/1021] executor: fix issue of load data statement doesn't record into slow query and statements_summary (#20713) Signed-off-by: crazycs520 --- executor/insert_common.go | 4 ++- executor/load_data.go | 21 ++++++------- planner/core/initialize.go | 6 ++++ planner/core/planbuilder.go | 4 +-- server/conn.go | 23 ++++++++++---- server/server_test.go | 58 +++++++++++++++++++++++++++++++++++ server/tidb_test.go | 4 +++ session/session.go | 52 ++++++++++++++++++++++++++++--- sessionctx/stmtctx/stmtctx.go | 8 ++++- util/plancodec/id.go | 7 +++++ 10 files changed, 162 insertions(+), 25 deletions(-) diff --git a/executor/insert_common.go b/executor/insert_common.go index 6e0c944172ec5..60504a90a7c3f 100644 --- a/executor/insert_common.go +++ b/executor/insert_common.go @@ -1074,7 +1074,9 @@ func (e *InsertRuntimeStat) String() string { if e.Prefetch > 0 { buf.WriteString(fmt.Sprintf("check_insert:{total_time:%v, mem_insert_time:%v, prefetch:%v", e.CheckInsertTime, e.CheckInsertTime-e.Prefetch, e.Prefetch)) if e.SnapshotRuntimeStats != nil { - buf.WriteString(fmt.Sprintf(", rpc:{%s}", e.SnapshotRuntimeStats.String())) + if rpc := e.SnapshotRuntimeStats.String(); len(rpc) > 0 { + buf.WriteString(fmt.Sprintf(", rpc:{%s}", rpc)) + } } buf.WriteString("}") } else { diff --git a/executor/load_data.go b/executor/load_data.go index 9f3c345acaea5..ce953f4230ad4 100644 --- a/executor/load_data.go +++ b/executor/load_data.go @@ -50,17 +50,6 @@ type LoadDataExec struct { loadDataInfo *LoadDataInfo } -// NewLoadDataInfo returns a LoadDataInfo structure, and it's only used for tests now. -func NewLoadDataInfo(ctx sessionctx.Context, row []types.Datum, tbl table.Table, cols []*table.Column) *LoadDataInfo { - insertVal := &InsertValues{baseExecutor: newBaseExecutor(ctx, nil, 0), Table: tbl} - return &LoadDataInfo{ - row: row, - InsertValues: insertVal, - Table: tbl, - Ctx: ctx, - } -} - // Next implements the Executor Next interface. func (e *LoadDataExec) Next(ctx context.Context, req *chunk.Chunk) error { req.GrowAndReset(e.maxChunkSize) @@ -101,6 +90,8 @@ func (e *LoadDataExec) Open(ctx context.Context) error { if e.loadDataInfo.insertColumns != nil { e.loadDataInfo.initEvalBuffer() } + // Init for runtime stats. + e.loadDataInfo.collectRuntimeStatsEnabled() return nil } @@ -523,6 +514,14 @@ func (e *LoadDataInfo) InsertData(ctx context.Context, prevData, curData []byte) // CheckAndInsertOneBatch is used to commit one transaction batch full filled data func (e *LoadDataInfo) CheckAndInsertOneBatch(ctx context.Context, rows [][]types.Datum, cnt uint64) error { + if e.stats != nil && e.stats.BasicRuntimeStats != nil { + // Since this method will not call by executor Next, + // so we need record the basic executor runtime stats by ourself. + start := time.Now() + defer func() { + e.stats.BasicRuntimeStats.Record(time.Since(start), 0) + }() + } var err error if cnt == 0 { return err diff --git a/planner/core/initialize.go b/planner/core/initialize.go index 2441861b7b570..2926268f1e9ec 100644 --- a/planner/core/initialize.go +++ b/planner/core/initialize.go @@ -242,6 +242,12 @@ func (p Insert) Init(ctx sessionctx.Context) *Insert { return &p } +// Init initializes LoadData. +func (p LoadData) Init(ctx sessionctx.Context) *LoadData { + p.basePlan = newBasePlan(ctx, plancodec.TypeLoadData, 0) + return &p +} + // Init initializes LogicalShow. func (p LogicalShow) Init(ctx sessionctx.Context) *LogicalShow { p.baseLogicalPlan = newBaseLogicalPlan(ctx, plancodec.TypeShow, &p, 0) diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index 9eebcf1d65570..ca54866f286ac 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -2648,7 +2648,7 @@ func (b *PlanBuilder) buildSelectPlanOfInsert(ctx context.Context, insert *ast.I } func (b *PlanBuilder) buildLoadData(ctx context.Context, ld *ast.LoadDataStmt) (Plan, error) { - p := &LoadData{ + p := LoadData{ IsLocal: ld.IsLocal, OnDuplicate: ld.OnDuplicate, Path: ld.Path, @@ -2659,7 +2659,7 @@ func (b *PlanBuilder) buildLoadData(ctx context.Context, ld *ast.LoadDataStmt) ( IgnoreLines: ld.IgnoreLines, ColumnAssignments: ld.ColumnAssignments, ColumnsAndUserVars: ld.ColumnsAndUserVars, - } + }.Init(b.ctx) user := b.ctx.GetSessionVars().User var insertErr error if user != nil { diff --git a/server/conn.go b/server/conn.go index a71817e797267..7a63136e0ff3e 100644 --- a/server/conn.go +++ b/server/conn.go @@ -68,6 +68,7 @@ import ( "github.com/pingcap/tidb/metrics" plannercore "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/plugin" + "github.com/pingcap/tidb/session" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/sessionctx/variable" @@ -1564,7 +1565,13 @@ func (cc *clientConn) handleStmt(ctx context.Context, stmt ast.StmtNode, warns [ return err } } else { - err = cc.handleQuerySpecial(ctx, status) + handled, err := cc.handleQuerySpecial(ctx, status) + if handled { + execStmt := cc.ctx.Value(session.ExecStmtVarKey) + if execStmt != nil { + execStmt.(*executor.ExecStmt).FinishExecuteStmt(0, err == nil, false) + } + } if err != nil { return err } @@ -1572,31 +1579,35 @@ func (cc *clientConn) handleStmt(ctx context.Context, stmt ast.StmtNode, warns [ return nil } -func (cc *clientConn) handleQuerySpecial(ctx context.Context, status uint16) error { +func (cc *clientConn) handleQuerySpecial(ctx context.Context, status uint16) (bool, error) { + handled := false loadDataInfo := cc.ctx.Value(executor.LoadDataVarKey) if loadDataInfo != nil { + handled = true defer cc.ctx.SetValue(executor.LoadDataVarKey, nil) if err := cc.handleLoadData(ctx, loadDataInfo.(*executor.LoadDataInfo)); err != nil { - return err + return handled, err } } loadStats := cc.ctx.Value(executor.LoadStatsVarKey) if loadStats != nil { + handled = true defer cc.ctx.SetValue(executor.LoadStatsVarKey, nil) if err := cc.handleLoadStats(ctx, loadStats.(*executor.LoadStatsInfo)); err != nil { - return err + return handled, err } } indexAdvise := cc.ctx.Value(executor.IndexAdviseVarKey) if indexAdvise != nil { + handled = true defer cc.ctx.SetValue(executor.IndexAdviseVarKey, nil) if err := cc.handleIndexAdvise(ctx, indexAdvise.(*executor.IndexAdviseInfo)); err != nil { - return err + return handled, err } } - return cc.writeOkWith(ctx, cc.ctx.LastMessage(), cc.ctx.AffectedRows(), cc.ctx.LastInsertID(), status, cc.ctx.WarningCount()) + return handled, cc.writeOkWith(ctx, cc.ctx.LastMessage(), cc.ctx.AffectedRows(), cc.ctx.LastInsertID(), status, cc.ctx.WarningCount()) } // handleFieldList returns the field list for a table. diff --git a/server/server_test.go b/server/server_test.go index feb14cb4ccffd..e3a96f77c35d4 100644 --- a/server/server_test.go +++ b/server/server_test.go @@ -26,6 +26,7 @@ import ( "path/filepath" "regexp" "strconv" + "strings" "testing" "time" @@ -437,6 +438,63 @@ func (cli *testServerClient) runTestLoadDataWithSelectIntoOutfile(c *C, server * } }) } +func (cli *testServerClient) runTestLoadDataForSlowLog(c *C, server *Server) { + path := "/tmp/load_data_test.csv" + fp, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600) + c.Assert(err, IsNil) + c.Assert(fp, NotNil) + defer func() { + err = fp.Close() + c.Assert(err, IsNil) + err = os.Remove(path) + c.Assert(err, IsNil) + }() + _, err = fp.WriteString( + "1 1\n" + + "2 2\n" + + "3 3\n" + + "4 4\n" + + "5 5\n") + c.Assert(err, IsNil) + + cli.runTestsOnNewDB(c, func(config *mysql.Config) { + config.AllowAllFiles = true + config.Params = map[string]string{"sql_mode": "''"} + }, "load_data_slow_query", func(dbt *DBTest) { + dbt.mustExec("create table t_slow (a int key, b int)") + defer func() { + dbt.mustExec("set tidb_slow_log_threshold=300;") + dbt.mustExec("set @@global.tidb_enable_stmt_summary=0") + }() + dbt.mustExec("set tidb_slow_log_threshold=0;") + dbt.mustExec("set @@global.tidb_enable_stmt_summary=1") + query := fmt.Sprintf("load data local infile %q into table t_slow", path) + dbt.mustExec(query) + dbt.mustExec("insert ignore into t_slow values (1,1);") + + checkPlan := func(rows *sql.Rows, expectPlan string) { + dbt.Check(rows.Next(), IsTrue, Commentf("unexpected data")) + var plan sql.NullString + err = rows.Scan(&plan) + dbt.Check(err, IsNil) + planStr := strings.ReplaceAll(plan.String, "\t", " ") + planStr = strings.ReplaceAll(planStr, "\n", " ") + c.Assert(planStr, Matches, expectPlan) + } + + // Test for record slow log for load data statement. + rows := dbt.mustQuery(fmt.Sprintf("select plan from information_schema.slow_query where query like 'load data local infile %% into table t_slow;' order by time desc limit 1")) + expectedPlan := ".*LoadData.* time.* loops.* prepare.* check_insert.* mem_insert_time:.* prefetch.* rpc.* commit_txn.*" + checkPlan(rows, expectedPlan) + // Test for record statements_summary for load data statement. + rows = dbt.mustQuery(fmt.Sprintf("select plan from information_schema.STATEMENTS_SUMMARY where QUERY_SAMPLE_TEXT like 'load data local infile %%' limit 1")) + checkPlan(rows, expectedPlan) + // Test log normal statement after executing load date. + rows = dbt.mustQuery(fmt.Sprintf("select plan from information_schema.slow_query where query = 'insert ignore into t_slow values (1,1);' order by time desc limit 1")) + expectedPlan = ".*Insert.* time.* loops.* prepare.* check_insert.* mem_insert_time:.* prefetch.* rpc.*" + checkPlan(rows, expectedPlan) + }) +} func (cli *testServerClient) runTestLoadData(c *C, server *Server) { // create a file and write data. diff --git a/server/tidb_test.go b/server/tidb_test.go index 0d6362c12a981..96a698c3f9b9c 100644 --- a/server/tidb_test.go +++ b/server/tidb_test.go @@ -40,6 +40,7 @@ import ( "github.com/pingcap/tidb/session" "github.com/pingcap/tidb/store/mockstore" "github.com/pingcap/tidb/util" + "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/testkit" ) @@ -86,6 +87,8 @@ func (ts *tidbTestSuiteBase) SetUpSuite(c *C) { cfg.Status.ReportStatus = true cfg.Status.StatusPort = ts.statusPort cfg.Performance.TCPKeepAlive = true + err = logutil.InitLogger(cfg.Log.ToLogConfig()) + c.Assert(err, IsNil) server, err := NewServer(cfg, ts.tidbdrv) c.Assert(err, IsNil) @@ -139,6 +142,7 @@ func (ts *tidbTestSuite) TestPreparedTimestamp(c *C) { func (ts *tidbTestSerialSuite) TestLoadData(c *C) { ts.runTestLoadData(c, ts.server) ts.runTestLoadDataWithSelectIntoOutfile(c, ts.server) + ts.runTestLoadDataForSlowLog(c, ts.server) } func (ts *tidbTestSerialSuite) TestStmtCount(c *C) { diff --git a/session/session.go b/session/session.go index da75786af8cdd..b8a663a321b1c 100644 --- a/session/session.go +++ b/session/session.go @@ -1238,6 +1238,27 @@ func (s *session) ExecuteStmt(ctx context.Context, stmtNode ast.StmtNode) (sqlex return recordSet, nil } +// querySpecialKeys contains the keys of special query, the special query will handled by handleQuerySpecial method. +var querySpecialKeys = []fmt.Stringer{ + executor.LoadDataVarKey, + executor.LoadStatsVarKey, + executor.IndexAdviseVarKey, +} + +func (s *session) hasQuerySpecial() bool { + found := false + s.mu.RLock() + for _, k := range querySpecialKeys { + v := s.mu.values[k] + if v != nil { + found = true + break + } + } + s.mu.RUnlock() + return found +} + // runStmt executes the sqlexec.Statement and commit or rollback the current transaction. func runStmt(ctx context.Context, se *session, s sqlexec.Statement) (rs sqlexec.RecordSet, err error) { if span := opentracing.SpanFromContext(ctx); span != nil && span.Tracer() != nil { @@ -1286,12 +1307,29 @@ func runStmt(ctx context.Context, se *session, s sqlexec.Statement) (rs sqlexec. }, err } - // If it is not a select statement, we record its slow log here, - // then it could include the transaction commit time. - s.(*executor.ExecStmt).FinishExecuteStmt(origTxnCtx.StartTS, err == nil, false) + if se.hasQuerySpecial() { + // The special query will be handled later in handleQuerySpecial, + // then should call the ExecStmt.FinishExecuteStmt to finish this statement. + se.SetValue(ExecStmtVarKey, s.(*executor.ExecStmt)) + } else { + // If it is not a select statement or special query, we record its slow log here, + // then it could include the transaction commit time. + s.(*executor.ExecStmt).FinishExecuteStmt(origTxnCtx.StartTS, err == nil, false) + } return nil, err } +// ExecStmtVarKeyType is a dummy type to avoid naming collision in context. +type ExecStmtVarKeyType int + +// String defines a Stringer function for debugging and pretty printing. +func (k ExecStmtVarKeyType) String() string { + return "exec_stmt_var_key" +} + +// ExecStmtVarKey is a variable key for ExecStmt. +const ExecStmtVarKey ExecStmtVarKeyType = 0 + // execStmtResult is the return value of ExecuteStmt and it implements the sqlexec.RecordSet interface. // Why we need a struct to wrap a RecordSet and provide another RecordSet? // This is because there are so many session state related things that definitely not belongs to the original @@ -2279,7 +2317,13 @@ func (s *session) PrepareTSFuture(ctx context.Context) { // RefreshTxnCtx implements context.RefreshTxnCtx interface. func (s *session) RefreshTxnCtx(ctx context.Context) error { - if err := s.doCommit(ctx); err != nil { + var commitDetail *execdetails.CommitDetails + ctx = context.WithValue(ctx, execdetails.CommitDetailCtxKey, &commitDetail) + err := s.doCommit(ctx) + if commitDetail != nil { + s.GetSessionVars().StmtCtx.MergeExecDetails(nil, commitDetail) + } + if err != nil { return err } diff --git a/sessionctx/stmtctx/stmtctx.go b/sessionctx/stmtctx/stmtctx.go index 0f68fa4bb8ef2..9a50505d474af 100644 --- a/sessionctx/stmtctx/stmtctx.go +++ b/sessionctx/stmtctx/stmtctx.go @@ -502,7 +502,13 @@ func (sc *StatementContext) MergeExecDetails(details *execdetails.ExecDetails, c sc.MergeCopDetails(details.CopDetail) sc.mu.allExecDetails = append(sc.mu.allExecDetails, details) } - sc.mu.execDetails.CommitDetail = commitDetails + if commitDetails != nil { + if sc.mu.execDetails.CommitDetail == nil { + sc.mu.execDetails.CommitDetail = commitDetails + } else { + sc.mu.execDetails.CommitDetail.Merge(commitDetails) + } + } } // MergeCopDetails merges cop details into self. diff --git a/util/plancodec/id.go b/util/plancodec/id.go index b827b79b49f0d..ec27e00da4225 100644 --- a/util/plancodec/id.go +++ b/util/plancodec/id.go @@ -108,6 +108,8 @@ const ( TypeClusterMemTableReader = "ClusterMemTableReader" // TypeDataSource is the type of DataSource. TypeDataSource = "DataSource" + // TypeLoadData is the type of LoadData. + TypeLoadData = "LoadData" ) // plan id. @@ -153,6 +155,7 @@ const ( typeBatchPointGet int = 38 typeClusterMemTableReader int = 39 typeDataSourceID int = 40 + typeLoadDataID int = 41 ) // TypeStringToPhysicalID converts the plan type string to plan id. @@ -238,6 +241,8 @@ func TypeStringToPhysicalID(tp string) int { return typeClusterMemTableReader case TypeDataSource: return typeDataSourceID + case TypeLoadData: + return typeLoadDataID } // Should never reach here. return 0 @@ -324,6 +329,8 @@ func PhysicalIDToTypeString(id int) string { return TypeBatchPointGet case typeClusterMemTableReader: return TypeClusterMemTableReader + case typeLoadDataID: + return TypeLoadData } // Should never reach here. From feab4cb9b824cd8af4cf096ec6e5e8544916cfdd Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Wed, 4 Nov 2020 17:07:16 +0800 Subject: [PATCH 0147/1021] executor: fix skipped update when the value is treated as the same in CI collations (#20786) --- executor/write.go | 5 +++++ executor/write_test.go | 15 +++++++++++++++ types/datum.go | 5 +++++ 3 files changed, 25 insertions(+) diff --git a/executor/write.go b/executor/write.go index abb6c1318d0d2..3918cf1ad27a4 100644 --- a/executor/write.go +++ b/executor/write.go @@ -19,6 +19,7 @@ import ( "github.com/opentracing/opentracing-go" "github.com/pingcap/parser/ast" + "github.com/pingcap/parser/charset" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/kv" @@ -92,7 +93,11 @@ func updateRecord(ctx context.Context, sctx sessionctx.Context, h kv.Handle, old // 3. Compare datum, then handle some flags. for i, col := range t.Cols() { + collation := newData[i].Collation() + // We should use binary collation to compare datum, otherwise the result will be incorrect. + newData[i].SetCollation(charset.CollationBin) cmp, err := newData[i].CompareDatum(sc, &oldData[i]) + newData[i].SetCollation(collation) if err != nil { return false, err } diff --git a/executor/write_test.go b/executor/write_test.go index b36f44eae91af..603f8f70b053a 100644 --- a/executor/write_test.go +++ b/executor/write_test.go @@ -30,6 +30,7 @@ import ( "github.com/pingcap/tidb/store/mockstore" "github.com/pingcap/tidb/table/tables" "github.com/pingcap/tidb/types" + "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/mock" "github.com/pingcap/tidb/util/testkit" "github.com/pingcap/tidb/util/testutil" @@ -2963,3 +2964,17 @@ func (s *testSuite4) TestWriteListColumnsPartitionTable(c *C) { tk.MustExec("delete from t partition (p3,p2)") tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 a", "2 b")) } + +func (s *testSerialSuite) TestIssue20724(c *C) { + collate.SetNewCollationEnabledForTest(true) + defer collate.SetNewCollationEnabledForTest(false) + + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t1") + tk.MustExec("create table t1(a varchar(10) collate utf8mb4_general_ci)") + tk.MustExec("insert into t1 values ('a')") + tk.MustExec("update t1 set a = 'A'") + tk.MustQuery("select * from t1").Check(testkit.Rows("A")) + tk.MustExec("drop table t1") +} diff --git a/types/datum.go b/types/datum.go index be015974eaa33..81aaae14744c3 100644 --- a/types/datum.go +++ b/types/datum.go @@ -101,6 +101,11 @@ func (d *Datum) Collation() string { return d.collation } +// SetCollation sets the collation of the datum. +func (d *Datum) SetCollation(collation string) { + d.collation = collation +} + // Frac gets the frac of the datum. func (d *Datum) Frac() int { return int(d.decimal) From 09c941fd8cec4af5bafd4d0481c26babe755bdb0 Mon Sep 17 00:00:00 2001 From: tangwz Date: Wed, 4 Nov 2020 17:41:03 +0800 Subject: [PATCH 0148/1021] ddl: convert hexLit to stringLit in enum and set default value. (#20459) --- ddl/db_integration_test.go | 18 ++++++++++++++++++ ddl/ddl_api.go | 2 +- 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/ddl/db_integration_test.go b/ddl/db_integration_test.go index c7a385778ef92..aedf79146b1c2 100644 --- a/ddl/db_integration_test.go +++ b/ddl/db_integration_test.go @@ -2530,3 +2530,21 @@ func (s *testIntegrationSuite3) TestIssue20490(c *C) { tk.MustQuery("select b from issue20490 order by a;").Check(testkit.Rows("1", "1", "")) } + +// TestDefaultValueIsLatin1 for issue #18977 +func (s *testIntegrationSuite3) TestEnumAndSetDefaultValue(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + defer tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a enum(0x61, 'b') not null default 0x61, b set(0x61, 'b') not null default 0x61) character set latin1") + tbl := testGetTableByName(c, s.ctx, "test", "t") + c.Assert(tbl.Meta().Columns[0].DefaultValue, Equals, "a") + c.Assert(tbl.Meta().Columns[1].DefaultValue, Equals, "a") + + tk.MustExec("drop table t") + tk.MustExec("create table t (a enum(0x61, 'b') not null default 0x61, b set(0x61, 'b') not null default 0x61) character set utf8mb4") + tbl = testGetTableByName(c, s.ctx, "test", "t") + c.Assert(tbl.Meta().Columns[0].DefaultValue, Equals, "a") + c.Assert(tbl.Meta().Columns[1].DefaultValue, Equals, "a") +} diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 20a508c8cfbc2..4288b1b145d0d 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -742,7 +742,7 @@ func getDefaultValue(ctx sessionctx.Context, col *table.Column, c *ast.ColumnOpt if tp == mysql.TypeBit || tp == mysql.TypeString || tp == mysql.TypeVarchar || tp == mysql.TypeVarString || tp == mysql.TypeBlob || tp == mysql.TypeLongBlob || tp == mysql.TypeMediumBlob || tp == mysql.TypeTinyBlob || - tp == mysql.TypeJSON { + tp == mysql.TypeJSON || tp == mysql.TypeEnum || tp == mysql.TypeSet { // For BinaryLiteral / string fields, when getting default value we cast the value into BinaryLiteral{}, thus we return // its raw string content here. return v.GetBinaryLiteral().ToString(), false, nil From 6e1aa0d765cc75392737d58e8ee60beb488fbe62 Mon Sep 17 00:00:00 2001 From: erwadba Date: Wed, 4 Nov 2020 19:10:02 +0800 Subject: [PATCH 0149/1021] *: restrict the length of enum/set value (#19109) --- config/config.go | 7 +++++++ config/config.toml.example | 7 +++++++ config/config_test.go | 2 ++ ddl/ddl_api.go | 12 ++++++++++++ ddl/error.go | 3 +++ ddl/serial_test.go | 26 ++++++++++++++++++++++++++ errno/errcode.go | 1 + errno/errname.go | 1 + errors.toml | 5 +++++ go.mod | 1 + go.sum | 3 +++ 11 files changed, 68 insertions(+) diff --git a/config/config.go b/config/config.go index 13acfe442f9df..3980c5515cd06 100644 --- a/config/config.go +++ b/config/config.go @@ -162,6 +162,12 @@ type Config struct { EnableGlobalIndex bool `toml:"enable-global-index" json:"enable-global-index"` // DeprecateIntegerDisplayWidth indicates whether deprecating the max display length for integer. DeprecateIntegerDisplayWidth bool `toml:"deprecate-integer-display-length" json:"deprecate-integer-display-length"` + // EnableEnumLengthLimit indicates whether the enum/set element length is limited. + // According to MySQL 8.0 Refman: + // The maximum supported length of an individual SET element is M <= 255 and (M x w) <= 1020, + // where M is the element literal length and w is the number of bytes required for the maximum-length character in the character set. + // See https://dev.mysql.com/doc/refman/8.0/en/string-type-syntax.html for more details. + EnableEnumLengthLimit bool `toml:"enable-enum-length-limit" json:"enable-enum-length-limit"` } // UpdateTempStoragePath is to update the `TempStoragePath` if port/statusPort was changed @@ -770,6 +776,7 @@ var defaultConf = Config{ SpilledFileEncryptionMethod: SpilledFileEncryptionMethodPlaintext, }, DeprecateIntegerDisplayWidth: false, + EnableEnumLengthLimit: true, } var ( diff --git a/config/config.toml.example b/config/config.toml.example index 28d2b2bd6894a..ef2c9bf665439 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -127,6 +127,13 @@ enable-telemetry = true # a warning like `Integer display width is deprecated and will be removed in a future release`. deprecate-integer-display-length = false +# enable-enum-length-limit is used to deal with compatibility issues. When true, the enum/set element length is limited. +# According to MySQL 8.0 Refman: +# The maximum supported length of an individual SET element is M <= 255 and (M x w) <= 1020, +# where M is the element literal length and w is the number of bytes required for the maximum-length character in the character set. +# See https://dev.mysql.com/doc/refman/8.0/en/string-type-syntax.html for more details. +enable-enum-length-limit = true + [log] # Log level: debug, info, warn, error, fatal. level = "info" diff --git a/config/config_test.go b/config/config_test.go index 65eaf0c57f07d..09fd759d33849 100644 --- a/config/config_test.go +++ b/config/config_test.go @@ -193,6 +193,7 @@ nested-loop-join-cache-capacity = 100 max-index-length = 3080 skip-register-to-dashboard = true deprecate-integer-display-length = true +enable-enum-length-limit = false [performance] txn-total-size-limit=2000 [tikv-client] @@ -271,6 +272,7 @@ spilled-file-encryption-method = "plaintext" c.Assert(conf.Labels["group"], Equals, "abc") c.Assert(conf.Security.SpilledFileEncryptionMethod, Equals, SpilledFileEncryptionMethodPlaintext) c.Assert(conf.DeprecateIntegerDisplayWidth, Equals, true) + c.Assert(conf.EnableEnumLengthLimit, Equals, false) _, err = f.WriteString(` [log.file] diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 4288b1b145d0d..6f515d0a9c9c7 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -962,8 +962,20 @@ func checkColumnValueConstraint(col *table.Column, collation string) error { } valueMap := make(map[string]bool, len(col.Elems)) ctor := collate.GetCollator(collation) + enumLengthLimit := config.GetGlobalConfig().EnableEnumLengthLimit + desc, err := charset.GetCharsetDesc(col.Charset) + if err != nil { + return errors.Trace(err) + } for i := range col.Elems { val := string(ctor.Key(col.Elems[i])) + // According to MySQL 8.0 Refman: + // The maximum supported length of an individual ENUM element is M <= 255 and (M x w) <= 1020, + // where M is the element literal length and w is the number of bytes required for the maximum-length character in the character set. + // See https://dev.mysql.com/doc/refman/8.0/en/string-type-syntax.html for more details. + if enumLengthLimit && (len(val) > 255 || len(val)*desc.Maxlen > 1020) { + return ErrTooLongValueForType.GenWithStackByArgs(col.Name) + } if _, ok := valueMap[val]; ok { tpStr := "ENUM" if col.Tp == mysql.TypeSet { diff --git a/ddl/error.go b/ddl/error.go index 1b3ed1fbcb008..905728453ae46 100644 --- a/ddl/error.go +++ b/ddl/error.go @@ -259,4 +259,7 @@ var ( // ErrWarnDataOutOfRange is returned when the value in a numeric column that is outside the permissible range of the column data type. // See https://dev.mysql.com/doc/refman/5.5/en/out-of-range-and-overflow.html for details ErrWarnDataOutOfRange = dbterror.ClassDDL.NewStd(mysql.ErrWarnDataOutOfRange) + + // ErrTooLongValueForType is returned when the individual enum element length is too long. + ErrTooLongValueForType = dbterror.ClassDDL.NewStd(mysql.ErrTooLongValueForType) ) diff --git a/ddl/serial_test.go b/ddl/serial_test.go index 698dbdff179d6..e6ce00e8ef909 100644 --- a/ddl/serial_test.go +++ b/ddl/serial_test.go @@ -1480,3 +1480,29 @@ func (s *testSerialSuite) TestCreateTableNoBlock(c *C) { _, err := tk.Exec("create table t(a int)") c.Assert(err, NotNil) } + +func (s *testSerialSuite) TestCheckEnumLength(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("drop table if exists t1,t2,t3,t4,t5") + tk.MustGetErrCode("create table t1 (a enum('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'))", errno.ErrTooLongValueForType) + tk.MustGetErrCode("create table t1 (a set('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'))", errno.ErrTooLongValueForType) + tk.MustExec("create table t2 (id int primary key)") + tk.MustGetErrCode("alter table t2 add a enum('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')", errno.ErrTooLongValueForType) + tk.MustGetErrCode("alter table t2 add a set('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa')", errno.ErrTooLongValueForType) + config.UpdateGlobal(func(conf *config.Config) { + conf.EnableEnumLengthLimit = false + }) + _, err := tk.Exec("create table t3 (a enum('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'))") + c.Assert(err, IsNil) + tk.MustExec("insert into t3 values(1)") + tk.MustQuery("select a from t3").Check(testkit.Rows("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")) + _, err = tk.Exec("create table t4 (a set('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'))") + c.Assert(err, IsNil) + + config.UpdateGlobal(func(conf *config.Config) { + conf.EnableEnumLengthLimit = true + }) + tk.MustGetErrCode("create table t5 (a enum('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'))", errno.ErrTooLongValueForType) + tk.MustGetErrCode("create table t5 (a set('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'))", errno.ErrTooLongValueForType) + tk.MustExec("drop table if exists t1,t2,t3,t4,t5") +} diff --git a/errno/errcode.go b/errno/errcode.go index a47b67668902f..24ae800753ef1 100644 --- a/errno/errcode.go +++ b/errno/errcode.go @@ -847,6 +847,7 @@ const ( ErrUserAlreadyExists = 3163 ErrInvalidJSONPathArrayCell = 3165 ErrInvalidEncryptionOption = 3184 + ErrTooLongValueForType = 3505 ErrPKIndexCantBeInvisible = 3522 ErrRoleNotGranted = 3530 ErrLockAcquireFailAndNoWaitSet = 3572 diff --git a/errno/errname.go b/errno/errname.go index f64cad2abf123..d97af3d80a432 100644 --- a/errno/errname.go +++ b/errno/errname.go @@ -849,6 +849,7 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrUserAlreadyExists: mysql.Message("User %s already exists.", nil), ErrInvalidJSONPathArrayCell: mysql.Message("A path expression is not a path to a cell in an array.", nil), ErrInvalidEncryptionOption: mysql.Message("Invalid encryption option.", nil), + ErrTooLongValueForType: mysql.Message("Too long enumeration/set value for column %s.", nil), ErrPKIndexCantBeInvisible: mysql.Message("A primary key index cannot be invisible", nil), ErrWindowNoSuchWindow: mysql.Message("Window name '%s' is not defined.", nil), ErrWindowCircularityInWindowGraph: mysql.Message("There is a circularity in the window dependency graph.", nil), diff --git a/errors.toml b/errors.toml index 985f5f240d6dc..87ea14ef381d5 100644 --- a/errors.toml +++ b/errors.toml @@ -311,6 +311,11 @@ error = ''' Generated column '%s' cannot refer to auto-increment column. ''' +["ddl:3505"] +error = ''' +Too long enumeration/set value for column %s. +''' + ["ddl:3522"] error = ''' A primary key index cannot be invisible diff --git a/go.mod b/go.mod index 8e55d9c9e5fcf..bfa38bee61bd8 100644 --- a/go.mod +++ b/go.mod @@ -1,6 +1,7 @@ module github.com/pingcap/tidb require ( + cloud.google.com/go v0.51.0 // indirect github.com/BurntSushi/toml v0.3.1 github.com/HdrHistogram/hdrhistogram-go v0.9.0 // indirect github.com/Jeffail/gabs/v2 v2.5.1 diff --git a/go.sum b/go.sum index 9ee9a5c5f9fa2..0430f8fb46452 100644 --- a/go.sum +++ b/go.sum @@ -7,6 +7,8 @@ cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTj cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0= cloud.google.com/go v0.50.0 h1:0E3eE8MX426vUOs7aHfI7aN1BrIzzzf4ccKCSfSjGmc= cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To= +cloud.google.com/go v0.51.0 h1:PvKAVQWCtlGUSlZkGW3QLelKaWq7KYv/MW1EboG8bfM= +cloud.google.com/go v0.51.0/go.mod h1:hWtGJ6gnXH+KgDv+V0zFGDvpi07n3z8ZNj3T1RW0Gcw= cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o= cloud.google.com/go/bigquery v1.3.0 h1:sAbMqjY1PEQKZBWfbu6Y6bsupJ9c4QdHnzg/VvYTLcE= cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE= @@ -216,6 +218,7 @@ github.com/google/martian v2.1.0+incompatible h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPg github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs= github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= +github.com/google/pprof v0.0.0-20191218002539-d4f498aebedc/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM= github.com/google/pprof v0.0.0-20200407044318-7d83b28da2e9 h1:K+lX49/3eURCE1IjlaZN//u6c+9nfDAMnyQ9E2dsJbY= github.com/google/pprof v0.0.0-20200407044318-7d83b28da2e9/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM= github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI= From 657ad738bcac9d81c3e2939ff10589bb7d9ab1db Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Thu, 5 Nov 2020 14:08:01 +0800 Subject: [PATCH 0150/1021] ddl: defining the placement rule of a leader requires `REPLICAS` option (#20813) --- ddl/ddl_api.go | 6 ++++ ddl/placement_sql_test.go | 71 ++++++++++++++++++++++----------------- 2 files changed, 46 insertions(+), 31 deletions(-) diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 6f515d0a9c9c7..3917511e951e5 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -5846,6 +5846,12 @@ func buildPlacementSpecs(bundle *placement.Bundle, specs []*ast.PlacementSpec) ( case ast.PlacementRoleFollower: role = placement.Follower case ast.PlacementRoleLeader: + if spec.Replicas == 0 { + spec.Replicas = 1 + } + if spec.Replicas > 1 { + err = errors.Errorf("replicas can only be 1 when the role is leader") + } role = placement.Leader case ast.PlacementRoleLearner: role = placement.Learner diff --git a/ddl/placement_sql_test.go b/ddl/placement_sql_test.go index fba9b6962fbd2..3d1e0503585a6 100644 --- a/ddl/placement_sql_test.go +++ b/ddl/placement_sql_test.go @@ -41,42 +41,42 @@ PARTITION BY RANGE (c) ( _, err := tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='["+zone=sh"]' - role=leader + role=follower replicas=3`) c.Assert(err, IsNil) _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='["+ zone = sh ", "- zone = bj "]' - role=leader + role=follower replicas=3`) c.Assert(err, IsNil) _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='{"+ zone = sh ": 1}' - role=leader + role=follower replicas=3`) c.Assert(err, IsNil) _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='{"+ zone = sh, -zone = bj ": 1}' - role=leader + role=follower replicas=3`) c.Assert(err, IsNil) _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='{"+ zone = sh ": 1, "- zone = bj": 2}' - role=leader + role=follower replicas=3`) c.Assert(err, IsNil) _, err = tk.Exec(`alter table t1 alter partition p0 alter placement policy constraints='{"+ zone = sh, -zone = bj ": 1}' - role=leader + role=follower replicas=3`) c.Assert(err, IsNil) @@ -89,52 +89,52 @@ drop placement policy _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='["+ zone = sh "]' - role=leader + role=follower replicas=3, add placement policy constraints='{"+ zone = sh, -zone = bj ": 1}' - role=leader + role=follower replicas=3`) c.Assert(err, IsNil) _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='["+ zone = sh "]' - role=leader + role=follower replicas=3, add placement policy constraints='{"+zone=sh,+zone=bj":1,"+zone=sh,+zone=bj":1}' - role=leader + role=follower replicas=3`) c.Assert(err, IsNil) _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='{"+ zone = sh ": 1, "- zone = bj,+zone=sh": 2}' - role=leader + role=follower replicas=3, alter placement policy constraints='{"+ zone = sh, -zone = bj ": 1}' - role=leader + role=follower replicas=3`) c.Assert(err, IsNil) _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='["+zone=sh", "-zone=bj"]' - role=leader + role=follower replicas=3, add placement policy constraints='{"+zone=sh": 1}' - role=leader + role=follower replicas=3, add placement policy constraints='{"+zone=sh,+zone=bj":1,"+zone=sh,+zone=bj":1}' - role=leader + role=follower replicas=3, alter placement policy constraints='{"+zone=sh": 1, "-zon =bj,+zone=sh": 1}' - role=leader + role=follower replicas=3`) c.Assert(err, IsNil) @@ -158,28 +158,28 @@ drop placement policy _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints=',,,' - role=leader + role=follower replicas=3`) c.Assert(err, ErrorMatches, ".*array or object.*") _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='[,,,' - role=leader + role=follower replicas=3`) c.Assert(err, ErrorMatches, ".*invalid character.*") _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='{,,,' - role=leader + role=follower replicas=3`) c.Assert(err, ErrorMatches, ".*invalid character.*") _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='{"+ zone = sh ": 1, "- zone = bj": 2}' - role=leader + role=follower replicas=2`) c.Assert(err, ErrorMatches, ".*should be larger or equal to the number of total replicas.*") @@ -187,14 +187,14 @@ add placement policy _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='[",,,"]' - role=leader + role=follower replicas=3`) c.Assert(err, ErrorMatches, ".*label constraint should be in format.*") _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='["+ "]' - role=leader + role=follower replicas=3`) c.Assert(err, ErrorMatches, ".*label constraint should be in format.*") @@ -202,7 +202,7 @@ add placement policy _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='["0000"]' - role=leader + role=follower replicas=3`) c.Assert(err, ErrorMatches, ".*label constraint should be in format.*") @@ -210,7 +210,7 @@ add placement policy _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='["+000"]' - role=leader + role=follower replicas=3`) c.Assert(err, ErrorMatches, ".*label constraint should be in format.*") @@ -218,14 +218,14 @@ add placement policy _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='["+ =zone1"]' - role=leader + role=follower replicas=3`) c.Assert(err, ErrorMatches, ".*label constraint should be in format.*") _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='["+ = z"]' - role=leader + role=follower replicas=3`) c.Assert(err, ErrorMatches, ".*label constraint should be in format.*") @@ -233,28 +233,28 @@ add placement policy _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='["+zone="]' - role=leader + role=follower replicas=3`) c.Assert(err, ErrorMatches, ".*label constraint should be in format.*") _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='["+z = "]' - role=leader + role=follower replicas=3`) c.Assert(err, ErrorMatches, ".*label constraint should be in format.*") _, err = tk.Exec(`alter table t1 alter partition p add placement policy constraints='["+zone=sh"]' - role=leader + role=follower replicas=3`) c.Assert(err, ErrorMatches, ".*Unknown partition.*") _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='{"+ zone = sh, -zone = bj ": -1}' - role=leader + role=follower replicas=3`) c.Assert(err, ErrorMatches, ".*count should be positive.*") @@ -271,9 +271,18 @@ add placement policy _, err = tk.Exec(`alter table t1 alter partition p add placement policy constraints='["+zone=sh"]' - role=leader + role=follower replicas=3`) c.Assert(ddl.ErrPartitionMgmtOnNonpartitioned.Equal(err), IsTrue) + + // issue 20751 + tk.MustExec("drop table if exists t_part_pk_id") + tk.MustExec("create TABLE t_part_pk_id (c1 int,c2 int) partition by range(c1 div c2 ) (partition p0 values less than (2))") + _, err = tk.Exec(`alter table t_part_pk_id alter partition p0 add placement policy constraints='["+host=store1"]' role=leader;`) + c.Assert(err, IsNil) + _, err = tk.Exec(`alter table t_part_pk_id alter partition p0 add placement policy constraints='["+host=store1"]' role=leader replicas=3;`) + c.Assert(err, ErrorMatches, ".*replicas can only be 1 when the role is leader") + tk.MustExec("drop table t_part_pk_id") } func (s *testDBSuite1) TestPlacementPolicyCache(c *C) { From 4e1cbca5c2a3240d3549ee254f814bd567e8f6e0 Mon Sep 17 00:00:00 2001 From: "Zhuomin(Charming) Liu" Date: Thu, 5 Nov 2020 14:21:35 +0800 Subject: [PATCH 0151/1021] executor: fix panic when set partition handle for index join (#20551) --- executor/builder.go | 10 ++++++---- executor/index_lookup_merge_join_test.go | 12 ++++++++++++ 2 files changed, 18 insertions(+), 4 deletions(-) diff --git a/executor/builder.go b/executor/builder.go index 97fba24aa907d..9b514f50d8384 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -3347,10 +3347,12 @@ func (builder *dataReaderBuilder) buildTableReaderFromHandles(ctx context.Contex }) } var b distsql.RequestBuilder - if _, ok := handles[0].(kv.PartitionHandle); ok { - b.SetPartitionsAndHandles(handles) - } else { - b.SetTableHandles(getPhysicalTableID(e.table), handles) + if len(handles) > 0 { + if _, ok := handles[0].(kv.PartitionHandle); ok { + b.SetPartitionsAndHandles(handles) + } else { + b.SetTableHandles(getPhysicalTableID(e.table), handles) + } } return builder.buildTableReaderBase(ctx, e, b) } diff --git a/executor/index_lookup_merge_join_test.go b/executor/index_lookup_merge_join_test.go index c0bb253cec963..8f6bb8e1f4a17 100644 --- a/executor/index_lookup_merge_join_test.go +++ b/executor/index_lookup_merge_join_test.go @@ -146,3 +146,15 @@ func (s *testSuite9) TestIssue20400(c *C) { tk.MustQuery("select /*+ inl_merge_join(t,s)*/ * from t left join s on t.a=s.a and t.a>1").Check( testkit.Rows("1 ")) } + +func (s *testSuite9) TestIssue20549(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("CREATE TABLE `t1` (`id` bigint(20) NOT NULL AUTO_INCREMENT, `t2id` bigint(20) DEFAULT NULL, PRIMARY KEY (`id`), KEY `t2id` (`t2id`));") + tk.MustExec("INSERT INTO `t1` VALUES (1,NULL);") + tk.MustExec("CREATE TABLE `t2` (`id` bigint(20) NOT NULL AUTO_INCREMENT, PRIMARY KEY (`id`));") + tk.MustQuery("SELECT /*+ INL_MERGE_JOIN(t1,t2) */ 1 from t1 left outer join t2 on t1.t2id=t2.id;").Check( + testkit.Rows("1")) + tk.MustQuery("SELECT /*+ HASH_JOIN(t1,t2) */ 1 from t1 left outer join t2 on t1.t2id=t2.id;\n").Check( + testkit.Rows("1")) +} From 8c418b9773504ebb62db7358447ce77970c15e66 Mon Sep 17 00:00:00 2001 From: MyonKeminta <9948422+MyonKeminta@users.noreply.github.com> Date: Thu, 5 Nov 2020 14:35:31 +0800 Subject: [PATCH 0152/1021] store/tikv: Fix goroutine leak in tikv client (#20808) Signed-off-by: MyonKeminta --- store/tikv/kv.go | 4 ++++ store/tikv/safepoint.go | 11 +++++++++++ 2 files changed, 15 insertions(+) diff --git a/store/tikv/kv.go b/store/tikv/kv.go index 4072ab92c9183..4ea21cfd0227c 100644 --- a/store/tikv/kv.go +++ b/store/tikv/kv.go @@ -367,6 +367,10 @@ func (s *tikvStore) Close() error { if s.coprCache != nil { s.coprCache.cache.Close() } + + if err := s.kv.Close(); err != nil { + return errors.Trace(err) + } return nil } diff --git a/store/tikv/safepoint.go b/store/tikv/safepoint.go index c6b119fd2af56..0e3d8de44495b 100644 --- a/store/tikv/safepoint.go +++ b/store/tikv/safepoint.go @@ -46,6 +46,7 @@ type SafePointKV interface { Put(k string, v string) error Get(k string) (string, error) GetWithPrefix(k string) ([]*mvccpb.KeyValue, error) + Close() error } // MockSafePointKV implements SafePointKV at mock test @@ -90,6 +91,11 @@ func (w *MockSafePointKV) GetWithPrefix(prefix string) ([]*mvccpb.KeyValue, erro return kvs, nil } +// Close implements the Close method for SafePointKV +func (w *MockSafePointKV) Close() error { + return nil +} + // EtcdSafePointKV implements SafePointKV at runtime type EtcdSafePointKV struct { cli *clientv3.Client @@ -140,6 +146,11 @@ func (w *EtcdSafePointKV) GetWithPrefix(k string) ([]*mvccpb.KeyValue, error) { return resp.Kvs, nil } +// Close implements the Close for SafePointKV +func (w *EtcdSafePointKV) Close() error { + return errors.Trace(w.cli.Close()) +} + func saveSafePoint(kv SafePointKV, t uint64) error { s := strconv.FormatUint(t, 10) err := kv.Put(GcSavedSafePoint, s) From 76c1d28af9535c198b014ace893bc884a629e676 Mon Sep 17 00:00:00 2001 From: xufei Date: Thu, 5 Nov 2020 16:29:35 +0800 Subject: [PATCH 0153/1021] planner: support complex join in broadcast join (#20196) --- planner/core/exhaust_physical_plans.go | 36 +++- planner/core/explain.go | 26 ++- planner/core/integration_test.go | 10 +- planner/core/plan_to_pb.go | 37 ++++- planner/core/task.go | 15 +- .../testdata/integration_serial_suite_in.json | 11 +- .../integration_serial_suite_out.json | 157 +++++++++++++++--- 7 files changed, 250 insertions(+), 42 deletions(-) diff --git a/planner/core/exhaust_physical_plans.go b/planner/core/exhaust_physical_plans.go index 5ec9032b9968a..463e346889fcb 100644 --- a/planner/core/exhaust_physical_plans.go +++ b/planner/core/exhaust_physical_plans.go @@ -1624,6 +1624,10 @@ func (p *LogicalJoin) tryToGetBroadCastJoin(prop *property.PhysicalProperty) []P if prop.TaskTp != property.RootTaskType && !prop.IsFlashProp() { return nil } + _, _, _, hasNullEQ := p.GetJoinKeys() + if hasNullEQ { + return nil + } // Disable broadcast join on partition table for TiFlash. for _, child := range p.children { @@ -1634,13 +1638,23 @@ func (p *LogicalJoin) tryToGetBroadCastJoin(prop *property.PhysicalProperty) []P } } - // for left join the global idx must be 1, and for right join the global idx must be 0 - if (p.JoinType != InnerJoin && p.JoinType != LeftOuterJoin && p.JoinType != RightOuterJoin) || len(p.LeftConditions) != 0 || len(p.RightConditions) != 0 || len(p.OtherConditions) != 0 || len(p.EqualConditions) == 0 { + if (p.JoinType != InnerJoin && p.JoinType != LeftOuterJoin && p.JoinType != RightOuterJoin && p.JoinType != SemiJoin && p.JoinType != AntiSemiJoin) || len(p.EqualConditions) == 0 { + return nil + } + + if !expression.CanExprsPushDown(p.ctx.GetSessionVars().StmtCtx, p.LeftConditions, p.ctx.GetClient(), kv.TiFlash) { + return nil + } + if !expression.CanExprsPushDown(p.ctx.GetSessionVars().StmtCtx, p.RightConditions, p.ctx.GetClient(), kv.TiFlash) { + return nil + } + if !expression.CanExprsPushDown(p.ctx.GetSessionVars().StmtCtx, p.OtherConditions, p.ctx.GetClient(), kv.TiFlash) { return nil } + // for left/semi/anti-semi join the global idx must be 1, and for right join the global idx must be 0 if hasPrefer, idx := p.getPreferredBCJLocalIndex(); hasPrefer { - if (idx == 0 && p.JoinType == RightOuterJoin) || (idx == 1 && p.JoinType == LeftOuterJoin) { + if (idx == 0 && p.JoinType == RightOuterJoin) || (idx == 1 && (p.JoinType == LeftOuterJoin || p.JoinType == SemiJoin || p.JoinType == AntiSemiJoin)) { return nil } return p.tryToGetBroadCastJoinByPreferGlobalIdx(prop, 1-idx) @@ -1649,7 +1663,7 @@ func (p *LogicalJoin) tryToGetBroadCastJoin(prop *property.PhysicalProperty) []P results := p.tryToGetBroadCastJoinByPreferGlobalIdx(prop, 0) results = append(results, p.tryToGetBroadCastJoinByPreferGlobalIdx(prop, 1)...) return results - } else if p.JoinType == LeftOuterJoin { + } else if p.JoinType == LeftOuterJoin || p.JoinType == SemiJoin || p.JoinType == AntiSemiJoin { return p.tryToGetBroadCastJoinByPreferGlobalIdx(prop, 1) } return p.tryToGetBroadCastJoinByPreferGlobalIdx(prop, 0) @@ -1661,6 +1675,7 @@ func (p *LogicalJoin) tryToGetBroadCastJoinByPreferGlobalIdx(prop *property.Phys JoinType: p.JoinType, LeftConditions: p.LeftConditions, RightConditions: p.RightConditions, + OtherConditions: p.OtherConditions, DefaultValues: p.DefaultValues, LeftJoinKeys: lkeys, RightJoinKeys: rkeys, @@ -1670,6 +1685,19 @@ func (p *LogicalJoin) tryToGetBroadCastJoinByPreferGlobalIdx(prop *property.Phys if p.children[0].statsInfo().Count() > p.children[1].statsInfo().Count() { preferredBuildIndex = 1 } + if p.JoinType == SemiJoin || p.JoinType == AntiSemiJoin { + preferredBuildIndex = 1 + } + // TiFlash does not support Right out join with other conditions, if the join + // has other conditions, need to set the build side to make sure it will be + // executed as left join in TiFlash(In TiFlash the build side is always the right side) + if len(p.OtherConditions) != 0 { + if p.JoinType == RightOuterJoin { + preferredBuildIndex = 0 + } else if p.JoinType == LeftOuterJoin { + preferredBuildIndex = 1 + } + } baseJoin.InnerChildIdx = preferredBuildIndex childrenReqProps := make([]*property.PhysicalProperty, 2) childrenReqProps[preferredGlobalIndex] = &property.PhysicalProperty{TaskTp: property.CopTiFlashGlobalReadTaskType, ExpectedCnt: math.MaxFloat64} diff --git a/planner/core/explain.go b/planner/core/explain.go index ae6758132e52f..bdbb65d4b7087 100644 --- a/planner/core/explain.go +++ b/planner/core/explain.go @@ -624,15 +624,20 @@ func (p *PhysicalMergeJoin) ExplainNormalizedInfo() string { // ExplainInfo implements Plan interface. func (p *PhysicalBroadCastJoin) ExplainInfo() string { - return p.explainInfo() + return p.explainInfo(false) } // ExplainNormalizedInfo implements Plan interface. func (p *PhysicalBroadCastJoin) ExplainNormalizedInfo() string { - return p.explainInfo() + return p.explainInfo(true) } -func (p *PhysicalBroadCastJoin) explainInfo() string { +func (p *PhysicalBroadCastJoin) explainInfo(normalized bool) string { + sortedExplainExpressionList := expression.SortedExplainExpressionList + if normalized { + sortedExplainExpressionList = expression.SortedExplainNormalizedExpressionList + } + buffer := new(bytes.Buffer) buffer.WriteString(p.JoinType.String()) @@ -645,6 +650,21 @@ func (p *PhysicalBroadCastJoin) explainInfo() string { fmt.Fprintf(buffer, ", right key:%s", expression.ExplainColumnList(p.RightJoinKeys)) } + if len(p.LeftConditions) > 0 { + if normalized { + fmt.Fprintf(buffer, ", left cond:%s", expression.SortedExplainNormalizedExpressionList(p.LeftConditions)) + } else { + fmt.Fprintf(buffer, ", left cond:%s", p.LeftConditions) + } + } + if len(p.RightConditions) > 0 { + fmt.Fprintf(buffer, ", right cond:%s", + sortedExplainExpressionList(p.RightConditions)) + } + if len(p.OtherConditions) > 0 { + fmt.Fprintf(buffer, ", other cond:%s", + sortedExplainExpressionList(p.OtherConditions)) + } return buffer.String() } diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 6561516be83be..e5121b483b5a5 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -394,6 +394,8 @@ func (s *testIntegrationSerialSuite) TestBroadcastJoin(c *C) { tk.MustExec("set @@session.tidb_isolation_read_engines = 'tiflash'") tk.MustExec("set @@session.tidb_allow_batch_cop = 1") tk.MustExec("set @@session.tidb_opt_broadcast_join = 1") + // make cbo force choose broadcast join since sql hint does not work for semi/anti-semi join + tk.MustExec("set @@session.tidb_opt_cpu_factor=10000000;") var input []string var output []struct { SQL string @@ -413,8 +415,12 @@ func (s *testIntegrationSerialSuite) TestBroadcastJoin(c *C) { _, err := tk.Exec("explain select /*+ broadcast_join(fact_t, d1_t), broadcast_join_local(d1_t) */ count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k") c.Assert(err, NotNil) c.Assert(err.Error(), Equals, "[planner:1815]Internal : Can't find a proper physical plan for this query") - // join with non-equal condition not supported - _, err = tk.Exec("explain select /*+ broadcast_join(fact_t, d1_t) */ count(*) from fact_t join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col1 > d1_t.value") + // nullEQ not supported + _, err = tk.Exec("explain select /*+ broadcast_join(fact_t, d1_t) */ count(*) from fact_t join d1_t on fact_t.d1_k <=> d1_t.d1_k") + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "[planner:1815]Internal : Can't find a proper physical plan for this query") + // not supported if join condition has unsupported expr + _, err = tk.Exec("explain select /*+ broadcast_join(fact_t, d1_t) */ count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k and sqrt(fact_t.col1) > 2") c.Assert(err, NotNil) c.Assert(err.Error(), Equals, "[planner:1815]Internal : Can't find a proper physical plan for this query") // cartsian join not supported diff --git a/planner/core/plan_to_pb.go b/planner/core/plan_to_pb.go index 97ec3dc8dd884..0cf508843b5ee 100644 --- a/planner/core/plan_to_pb.go +++ b/planner/core/plan_to_pb.go @@ -256,20 +256,45 @@ func (p *PhysicalBroadCastJoin) ToPB(ctx sessionctx.Context, storeType kv.StoreT if err != nil { return nil, err } + + leftConditions, err := expression.ExpressionsToPBList(sc, p.LeftConditions, client) + if err != nil { + return nil, err + } + rightConditions, err := expression.ExpressionsToPBList(sc, p.RightConditions, client) + if err != nil { + return nil, err + } + otherConditions, err := expression.ExpressionsToPBList(sc, p.OtherConditions, client) + if err != nil { + return nil, err + } + pbJoinType := tipb.JoinType_TypeInnerJoin switch p.JoinType { case LeftOuterJoin: pbJoinType = tipb.JoinType_TypeLeftOuterJoin case RightOuterJoin: pbJoinType = tipb.JoinType_TypeRightOuterJoin + case SemiJoin: + pbJoinType = tipb.JoinType_TypeSemiJoin + case AntiSemiJoin: + pbJoinType = tipb.JoinType_TypeAntiSemiJoin + case LeftOuterSemiJoin: + pbJoinType = tipb.JoinType_TypeLeftOuterSemiJoin + case AntiLeftOuterSemiJoin: + pbJoinType = tipb.JoinType_TypeAntiLeftOuterSemiJoin } join := &tipb.Join{ - JoinType: pbJoinType, - JoinExecType: tipb.JoinExecType_TypeHashJoin, - InnerIdx: int64(p.InnerChildIdx), - LeftJoinKeys: left, - RightJoinKeys: right, - Children: []*tipb.Executor{lChildren, rChildren}, + JoinType: pbJoinType, + JoinExecType: tipb.JoinExecType_TypeHashJoin, + InnerIdx: int64(p.InnerChildIdx), + LeftJoinKeys: left, + RightJoinKeys: right, + LeftConditions: leftConditions, + RightConditions: rightConditions, + OtherConditions: otherConditions, + Children: []*tipb.Executor{lChildren, rChildren}, } executorID := p.ExplainID().String() diff --git a/planner/core/task.go b/planner/core/task.go index e51d3d9ddfa0b..9ea179e7c6ca3 100644 --- a/planner/core/task.go +++ b/planner/core/task.go @@ -535,9 +535,9 @@ func (p *PhysicalHashJoin) attach2Task(tasks ...task) task { // GetCost computes cost of broadcast join operator itself. func (p *PhysicalBroadCastJoin) GetCost(lCnt, rCnt float64) float64 { - buildCnt := lCnt + buildCnt, probeCnt := lCnt, rCnt if p.InnerChildIdx == 1 { - buildCnt = rCnt + buildCnt, probeCnt = rCnt, lCnt } sessVars := p.ctx.GetSessionVars() // Cost of building hash table. @@ -554,7 +554,18 @@ func (p *PhysicalBroadCastJoin) GetCost(lCnt, rCnt float64) float64 { rightSchema: p.children[1].Schema(), } numPairs := helper.estimate() + if p.JoinType == SemiJoin || p.JoinType == AntiSemiJoin || p.JoinType == LeftOuterSemiJoin || p.JoinType == AntiLeftOuterSemiJoin { + if len(p.OtherConditions) > 0 { + numPairs *= 0.5 + } else { + numPairs = 0 + } + } probeCost := numPairs * sessVars.CopCPUFactor + if len(p.LeftConditions)+len(p.RightConditions) > 0 { + probeCost *= SelectionFactor + probeCost += probeCnt * sessVars.CPUFactor + } // should divided by the concurrency in tiflash, which should be the number of core in tiflash nodes. probeCost /= float64(sessVars.CopTiFlashConcurrencyFactor) cpuCost += probeCost diff --git a/planner/core/testdata/integration_serial_suite_in.json b/planner/core/testdata/integration_serial_suite_in.json index f657c164539bd..1fa044c059857 100644 --- a/planner/core/testdata/integration_serial_suite_in.json +++ b/planner/core/testdata/integration_serial_suite_in.json @@ -16,7 +16,16 @@ "explain select /*+ broadcast_join(fact_t,d1_t), broadcast_join_local(d1_t) */ count(*) from fact_t, d1_t where fact_t.d1_k = d1_t.d1_k", "explain select /*+ broadcast_join(fact_t,d1_t,d2_t,d3_t), broadcast_join_local(d2_t) */ count(*) from fact_t, d1_t, d2_t, d3_t where fact_t.d1_k = d1_t.d1_k and fact_t.d2_k = d2_t.d2_k and fact_t.d3_k = d3_t.d3_k", "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k", - "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k" + "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k", + "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col1 > d1_t.value", + "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col1 > 10", + "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col2 > 10 and fact_t.col1 > d1_t.value", + "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k and d1_t.value > 10", + "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k and d1_t.value > 10 and fact_t.col1 > d1_t.value", + "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t where exists (select 1 from d1_t where d1_k = fact_t.d1_k)", + "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t where exists (select 1 from d1_t where d1_k = fact_t.d1_k and value > fact_t.col1)", + "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t where not exists (select 1 from d1_t where d1_k = fact_t.d1_k)", + "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t where not exists (select 1 from d1_t where d1_k = fact_t.d1_k and value > fact_t.col1)" ] }, { diff --git a/planner/core/testdata/integration_serial_suite_out.json b/planner/core/testdata/integration_serial_suite_out.json index ac427f04cb885..8986848c2fc9c 100644 --- a/planner/core/testdata/integration_serial_suite_out.json +++ b/planner/core/testdata/integration_serial_suite_out.json @@ -48,10 +48,10 @@ { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t, d1_t where fact_t.d1_k = d1_t.d1_k", "Plan": [ - "StreamAgg_32 1.00 root funcs:count(Column#14)->Column#11", - "└─TableReader_33 1.00 root data:StreamAgg_13", - " └─StreamAgg_13 1.00 cop[tiflash] funcs:count(1)->Column#14", - " └─BroadcastJoin_31 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + "HashAgg_24 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_25 1.00 root data:HashAgg_10", + " └─HashAgg_10 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_15 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", " ├─Selection_23(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", " │ └─TableFullScan_22 2.00 cop[tiflash] table:d1_t keep order:false, global read", " └─Selection_21(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", @@ -61,10 +61,10 @@ { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t,d2_t,d3_t) */ count(*) from fact_t, d1_t, d2_t, d3_t where fact_t.d1_k = d1_t.d1_k and fact_t.d2_k = d2_t.d2_k and fact_t.d3_k = d3_t.d3_k", "Plan": [ - "StreamAgg_52 1.00 root funcs:count(Column#20)->Column#17", - "└─TableReader_53 1.00 root data:StreamAgg_17", - " └─StreamAgg_17 1.00 cop[tiflash] funcs:count(1)->Column#20", - " └─BroadcastJoin_51 8.00 cop[tiflash] inner join, left key:test.fact_t.d3_k, right key:test.d3_t.d3_k", + "HashAgg_44 1.00 root funcs:count(Column#18)->Column#17", + "└─TableReader_45 1.00 root data:HashAgg_14", + " └─HashAgg_14 1.00 cop[tiflash] funcs:count(1)->Column#18", + " └─BroadcastJoin_19 8.00 cop[tiflash] inner join, left key:test.fact_t.d3_k, right key:test.d3_t.d3_k", " ├─Selection_43(Build) 2.00 cop[tiflash] not(isnull(test.d3_t.d3_k))", " │ └─TableFullScan_42 2.00 cop[tiflash] table:d3_t keep order:false, global read", " └─BroadcastJoin_33(Probe) 8.00 cop[tiflash] inner join, left key:test.fact_t.d2_k, right key:test.d2_t.d2_k", @@ -80,10 +80,10 @@ { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t), broadcast_join_local(d1_t) */ count(*) from fact_t, d1_t where fact_t.d1_k = d1_t.d1_k", "Plan": [ - "StreamAgg_25 1.00 root funcs:count(Column#14)->Column#11", - "└─TableReader_26 1.00 root data:StreamAgg_13", - " └─StreamAgg_13 1.00 cop[tiflash] funcs:count(1)->Column#14", - " └─BroadcastJoin_24 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + "HashAgg_19 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_20 1.00 root data:HashAgg_10", + " └─HashAgg_10 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_14 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", " ├─Selection_18(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", " │ └─TableFullScan_17 2.00 cop[tiflash] table:d1_t keep order:false", " └─Selection_16(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", @@ -93,10 +93,10 @@ { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t,d2_t,d3_t), broadcast_join_local(d2_t) */ count(*) from fact_t, d1_t, d2_t, d3_t where fact_t.d1_k = d1_t.d1_k and fact_t.d2_k = d2_t.d2_k and fact_t.d3_k = d3_t.d3_k", "Plan": [ - "StreamAgg_36 1.00 root funcs:count(Column#20)->Column#17", - "└─TableReader_37 1.00 root data:StreamAgg_17", - " └─StreamAgg_17 1.00 cop[tiflash] funcs:count(1)->Column#20", - " └─BroadcastJoin_35 8.00 cop[tiflash] inner join, left key:test.fact_t.d3_k, right key:test.d3_t.d3_k", + "HashAgg_30 1.00 root funcs:count(Column#18)->Column#17", + "└─TableReader_31 1.00 root data:HashAgg_14", + " └─HashAgg_14 1.00 cop[tiflash] funcs:count(1)->Column#18", + " └─BroadcastJoin_18 8.00 cop[tiflash] inner join, left key:test.fact_t.d3_k, right key:test.d3_t.d3_k", " ├─Selection_29(Build) 2.00 cop[tiflash] not(isnull(test.d3_t.d3_k))", " │ └─TableFullScan_28 2.00 cop[tiflash] table:d3_t keep order:false, global read", " └─BroadcastJoin_19(Probe) 8.00 cop[tiflash] inner join, left key:test.fact_t.d2_k, right key:test.d2_t.d2_k", @@ -112,10 +112,10 @@ { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k", "Plan": [ - "StreamAgg_23 1.00 root funcs:count(Column#14)->Column#11", - "└─TableReader_24 1.00 root data:StreamAgg_12", - " └─StreamAgg_12 1.00 cop[tiflash] funcs:count(1)->Column#14", - " └─BroadcastJoin_22 8.00 cop[tiflash] left outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + "HashAgg_17 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_18 1.00 root data:HashAgg_9", + " └─HashAgg_9 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_13 8.00 cop[tiflash] left outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", " ├─Selection_16(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", " │ └─TableFullScan_15 2.00 cop[tiflash] table:d1_t keep order:false, global read", " └─TableFullScan_14(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" @@ -124,14 +124,123 @@ { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k", "Plan": [ - "StreamAgg_23 1.00 root funcs:count(Column#14)->Column#11", - "└─TableReader_24 1.00 root data:StreamAgg_12", - " └─StreamAgg_12 1.00 cop[tiflash] funcs:count(1)->Column#14", - " └─BroadcastJoin_22 8.00 cop[tiflash] right outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + "HashAgg_17 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_18 1.00 root data:HashAgg_9", + " └─HashAgg_9 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_13 8.00 cop[tiflash] right outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", " ├─TableFullScan_16(Build) 2.00 cop[tiflash] table:d1_t keep order:false", " └─Selection_15(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", " └─TableFullScan_14 8.00 cop[tiflash] table:fact_t keep order:false, global read" ] + }, + { + "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col1 > d1_t.value", + "Plan": [ + "HashAgg_23 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_24 1.00 root data:HashAgg_9", + " └─HashAgg_9 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_14 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, other cond:gt(test.fact_t.col1, test.d1_t.value)", + " ├─Selection_22(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", + " │ └─TableFullScan_21 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─Selection_20(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_19 8.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col1 > 10", + "Plan": [ + "HashAgg_17 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_18 1.00 root data:HashAgg_9", + " └─HashAgg_9 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_13 8.00 cop[tiflash] left outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, left cond:[gt(test.fact_t.col1, 10)]", + " ├─Selection_16(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_15 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─TableFullScan_14(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col2 > 10 and fact_t.col1 > d1_t.value", + "Plan": [ + "HashAgg_17 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_18 1.00 root data:HashAgg_9", + " └─HashAgg_9 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_13 8.00 cop[tiflash] left outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, left cond:[gt(test.fact_t.col2, 10)], other cond:gt(test.fact_t.col1, test.d1_t.value)", + " ├─Selection_16(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", + " │ └─TableFullScan_15 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─TableFullScan_14(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k and d1_t.value > 10", + "Plan": [ + "HashAgg_17 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_18 1.00 root data:HashAgg_9", + " └─HashAgg_9 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_13 8.00 cop[tiflash] right outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, right cond:gt(test.d1_t.value, 10)", + " ├─TableFullScan_16(Build) 2.00 cop[tiflash] table:d1_t keep order:false", + " └─Selection_15(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_14 8.00 cop[tiflash] table:fact_t keep order:false, global read" + ] + }, + { + "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k and d1_t.value > 10 and fact_t.col1 > d1_t.value", + "Plan": [ + "HashAgg_17 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_18 1.00 root data:HashAgg_9", + " └─HashAgg_9 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_13 8.00 cop[tiflash] right outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, right cond:gt(test.d1_t.value, 10), other cond:gt(test.fact_t.col1, test.d1_t.value)", + " ├─Selection_15(Build) 8.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", + " │ └─TableFullScan_14 8.00 cop[tiflash] table:fact_t keep order:false, global read", + " └─TableFullScan_16(Probe) 2.00 cop[tiflash] table:d1_t keep order:false" + ] + }, + { + "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t where exists (select 1 from d1_t where d1_k = fact_t.d1_k)", + "Plan": [ + "HashAgg_21 1.00 root funcs:count(Column#13)->Column#12", + "└─TableReader_22 1.00 root data:HashAgg_12", + " └─HashAgg_12 1.00 cop[tiflash] funcs:count(1)->Column#13", + " └─BroadcastJoin_16 6.40 cop[tiflash] semi join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + " ├─Selection_20(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_19 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─Selection_18(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_17 8.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t where exists (select 1 from d1_t where d1_k = fact_t.d1_k and value > fact_t.col1)", + "Plan": [ + "HashAgg_21 1.00 root funcs:count(Column#13)->Column#12", + "└─TableReader_22 1.00 root data:HashAgg_12", + " └─HashAgg_12 1.00 cop[tiflash] funcs:count(1)->Column#13", + " └─BroadcastJoin_16 6.40 cop[tiflash] semi join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, other cond:gt(test.d1_t.value, test.fact_t.col1)", + " ├─Selection_20(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", + " │ └─TableFullScan_19 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─Selection_18(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_17 8.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t where not exists (select 1 from d1_t where d1_k = fact_t.d1_k)", + "Plan": [ + "HashAgg_19 1.00 root funcs:count(Column#13)->Column#12", + "└─TableReader_20 1.00 root data:HashAgg_12", + " └─HashAgg_12 1.00 cop[tiflash] funcs:count(1)->Column#13", + " └─BroadcastJoin_16 6.40 cop[tiflash] anti semi join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + " ├─TableFullScan_18(Build) 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─TableFullScan_17(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t where not exists (select 1 from d1_t where d1_k = fact_t.d1_k and value > fact_t.col1)", + "Plan": [ + "HashAgg_19 1.00 root funcs:count(Column#13)->Column#12", + "└─TableReader_20 1.00 root data:HashAgg_12", + " └─HashAgg_12 1.00 cop[tiflash] funcs:count(1)->Column#13", + " └─BroadcastJoin_16 6.40 cop[tiflash] anti semi join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, other cond:gt(test.d1_t.value, test.fact_t.col1)", + " ├─TableFullScan_18(Build) 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─TableFullScan_17(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" + ] } ] }, From abc8f1665f2b94d6d030977f0e1f0f970e6538d6 Mon Sep 17 00:00:00 2001 From: crazycs Date: Fri, 6 Nov 2020 10:46:16 +0800 Subject: [PATCH 0154/1021] *: optimize for encoding huge plan (#20811) --- executor/explain.go | 3 -- go.mod | 2 +- go.sum | 4 +- planner/core/encode.go | 7 ++- planner/core/plan_test.go | 25 +++++++++++ util/memory/tracker.go | 88 +++++++++++++++++++++---------------- util/memory/tracker_test.go | 10 ++--- 7 files changed, 89 insertions(+), 50 deletions(-) diff --git a/executor/explain.go b/executor/explain.go index 5547573272c10..a584028b686ee 100644 --- a/executor/explain.go +++ b/executor/explain.go @@ -103,9 +103,6 @@ func (e *ExplainExec) generateExplainInfo(ctx context.Context) (rows [][]string, if err = e.explain.RenderResult(); err != nil { return nil, err } - if e.analyzeExec != nil { - e.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl = nil - } return e.explain.Rows, nil } diff --git a/go.mod b/go.mod index bfa38bee61bd8..0faec312acb97 100644 --- a/go.mod +++ b/go.mod @@ -53,7 +53,7 @@ require ( github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20201023092649-e6d6090277c9 github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 - github.com/pingcap/parser v0.0.0-20201030090627-3d18e257aed6 + github.com/pingcap/parser v0.0.0-20201104071116-b3d18bf9e537 github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f diff --git a/go.sum b/go.sum index 0430f8fb46452..2157a7e75ea0d 100644 --- a/go.sum +++ b/go.sum @@ -447,8 +447,8 @@ github.com/pingcap/log v0.0.0-20200117041106-d28c14d3b1cd/go.mod h1:4rbK1p9ILyIf github.com/pingcap/log v0.0.0-20200511115504-543df19646ad/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 h1:Jboj+s4jSCp5E1WDgmRUv5rIFKFHaaSWuSZ4wMwXIcc= github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= -github.com/pingcap/parser v0.0.0-20201030090627-3d18e257aed6 h1:bNO9e9i741BrO/ImHelgHh+UKpHMbiYE1+pqty5YMzU= -github.com/pingcap/parser v0.0.0-20201030090627-3d18e257aed6/go.mod h1:74+OEdwM4B/jMpBRl92ch6CSmSYkQtv2TNxIjFdT/GE= +github.com/pingcap/parser v0.0.0-20201104071116-b3d18bf9e537 h1:YfUAzfwnHWnhUJVTGB7kMquFJeslYPe2dYq6GvD5o98= +github.com/pingcap/parser v0.0.0-20201104071116-b3d18bf9e537/go.mod h1:74+OEdwM4B/jMpBRl92ch6CSmSYkQtv2TNxIjFdT/GE= github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 h1:b2G/eqDeywtdJF3w9nIUdqMmXChsmpLvf4FzUxJ9Vmk= diff --git a/planner/core/encode.go b/planner/core/encode.go index 390857fdecd58..10368afe3a6fd 100644 --- a/planner/core/encode.go +++ b/planner/core/encode.go @@ -38,11 +38,14 @@ type planEncoder struct { // EncodePlan is used to encodePlan the plan to the plan tree with compressing. func EncodePlan(p Plan) string { - pn := encoderPool.Get().(*planEncoder) - defer encoderPool.Put(pn) + if explain, ok := p.(*Explain); ok { + p = explain.TargetPlan + } if p == nil || p.SCtx() == nil { return "" } + pn := encoderPool.Get().(*planEncoder) + defer encoderPool.Put(pn) selectPlan := getSelectPlan(p) if selectPlan != nil { failpoint.Inject("mockPlanRowCount", func(val failpoint.Value) { diff --git a/planner/core/plan_test.go b/planner/core/plan_test.go index 534cc93740470..8124c9f48949e 100644 --- a/planner/core/plan_test.go +++ b/planner/core/plan_test.go @@ -24,6 +24,7 @@ import ( "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/planner/core" + "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/util/israce" "github.com/pingcap/tidb/util/plancodec" "github.com/pingcap/tidb/util/testkit" @@ -463,3 +464,27 @@ func (s *testPlanNormalize) TestDecodePlanPerformance(c *C) { c.Assert(err, IsNil) c.Assert(time.Since(start).Seconds(), Less, 3.0) } + +func (s *testPlanNormalize) TestEncodePlanPerformance(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists th") + tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec(`set @@tidb_partition_prune_mode='` + string(variable.StaticOnly) + `'`) + tk.MustExec("create table th (i int, a int,b int, c int, index (a)) partition by hash (a) partitions 8192;") + tk.MustExec("set @@tidb_slow_log_threshold=200000") + + query := "select count(*) from th t1 join th t2 join th t3 join th t4 join th t5 join th t6 where t1.i=t2.a and t1.i=t3.i and t3.i=t4.i and t4.i=t5.i and t5.i=t6.i" + tk.Se.GetSessionVars().PlanID = 0 + tk.MustExec(query) + info := tk.Se.ShowProcess() + c.Assert(info, NotNil) + p, ok := info.Plan.(core.PhysicalPlan) + c.Assert(ok, IsTrue) + tk.Se.GetSessionVars().StmtCtx.RuntimeStatsColl = nil + start := time.Now() + encodedPlanStr := core.EncodePlan(p) + c.Assert(time.Since(start).Seconds(), Less, 10.0) + _, err := plancodec.DecodePlan(encodedPlanStr) + c.Assert(err, IsNil) +} diff --git a/util/memory/tracker.go b/util/memory/tracker.go index d5ad74031ae5a..a6bfcbd3b2809 100644 --- a/util/memory/tracker.go +++ b/util/memory/tracker.go @@ -16,6 +16,7 @@ package memory import ( "bytes" "fmt" + "sort" "sync" "sync/atomic" ) @@ -42,7 +43,7 @@ type Tracker struct { sync.Mutex // The children memory trackers. If the Tracker is the Global Tracker, like executor.GlobalDiskUsageTracker, // we wouldn't maintain its children in order to avoiding mutex contention. - children []*Tracker + children map[int][]*Tracker } actionMu struct { sync.Mutex @@ -143,7 +144,10 @@ func (t *Tracker) AttachTo(parent *Tracker) { oldParent.remove(t) } parent.mu.Lock() - parent.mu.children = append(parent.mu.children, t) + if parent.mu.children == nil { + parent.mu.children = make(map[int][]*Tracker) + } + parent.mu.children[t.label] = append(parent.mu.children[t.label], t) parent.mu.Unlock() t.setParent(parent) @@ -164,12 +168,21 @@ func (t *Tracker) Detach() { func (t *Tracker) remove(oldChild *Tracker) { found := false + label := oldChild.label t.mu.Lock() - for i, child := range t.mu.children { - if child == oldChild { - t.mu.children = append(t.mu.children[:i], t.mu.children[i+1:]...) - found = true - break + if t.mu.children != nil { + children := t.mu.children[label] + for i, child := range children { + if child == oldChild { + children = append(children[:i], children[i+1:]...) + if len(children) > 0 { + t.mu.children[label] = children + } else { + delete(t.mu.children, label) + } + found = true + break + } } } t.mu.Unlock() @@ -188,19 +201,30 @@ func (t *Tracker) ReplaceChild(oldChild, newChild *Tracker) { return } + if oldChild.label != newChild.label { + t.remove(oldChild) + newChild.AttachTo(t) + return + } + newConsumed := newChild.BytesConsumed() newChild.setParent(t) + label := oldChild.label t.mu.Lock() - for i, child := range t.mu.children { - if child != oldChild { - continue - } + if t.mu.children != nil { + children := t.mu.children[label] + for i, child := range children { + if child != oldChild { + continue + } - newConsumed -= oldChild.BytesConsumed() - oldChild.setParent(nil) - t.mu.children[i] = newChild - break + newConsumed -= oldChild.BytesConsumed() + oldChild.setParent(nil) + children[i] = newChild + t.mu.children[label] = children + break + } } t.mu.Unlock() @@ -248,30 +272,14 @@ func (t *Tracker) MaxConsumed() int64 { return atomic.LoadInt64(&t.maxConsumed) } -// SearchTracker searches the specific tracker under this tracker. -func (t *Tracker) SearchTracker(label int) *Tracker { - if t.label == label { - return t - } - t.mu.Lock() - defer t.mu.Unlock() - for _, child := range t.mu.children { - if result := child.SearchTracker(label); result != nil { - return result - } - } - return nil -} - // SearchTrackerWithoutLock searches the specific tracker under this tracker without lock. func (t *Tracker) SearchTrackerWithoutLock(label int) *Tracker { if t.label == label { return t } - for _, child := range t.mu.children { - if result := child.SearchTrackerWithoutLock(label); result != nil { - return result - } + children := t.mu.children[label] + if len(children) > 0 { + return children[0] } return nil } @@ -291,9 +299,15 @@ func (t *Tracker) toString(indent string, buffer *bytes.Buffer) { fmt.Fprintf(buffer, "%s \"consumed\": %s\n", indent, t.BytesToString(t.BytesConsumed())) t.mu.Lock() - for i := range t.mu.children { - if t.mu.children[i] != nil { - t.mu.children[i].toString(indent+" ", buffer) + labels := make([]int, 0, len(t.mu.children)) + for label := range t.mu.children { + labels = append(labels, label) + } + sort.Ints(labels) + for _, label := range labels { + children := t.mu.children[label] + for _, child := range children { + child.toString(indent+" ", buffer) } } t.mu.Unlock() diff --git a/util/memory/tracker_test.go b/util/memory/tracker_test.go index 3dbd11ab001bb..697fc6bb48ffa 100644 --- a/util/memory/tracker_test.go +++ b/util/memory/tracker_test.go @@ -143,7 +143,7 @@ func (s *testSuite) TestAttachTo(c *C) { c.Assert(oldParent.BytesConsumed(), Equals, int64(100)) c.Assert(child.getParent(), DeepEquals, oldParent) c.Assert(len(oldParent.mu.children), Equals, 1) - c.Assert(oldParent.mu.children[0], DeepEquals, child) + c.Assert(oldParent.mu.children[child.label][0], DeepEquals, child) child.AttachTo(newParent) c.Assert(child.BytesConsumed(), Equals, int64(100)) @@ -151,7 +151,7 @@ func (s *testSuite) TestAttachTo(c *C) { c.Assert(newParent.BytesConsumed(), Equals, int64(100)) c.Assert(child.getParent(), DeepEquals, newParent) c.Assert(len(newParent.mu.children), Equals, 1) - c.Assert(newParent.mu.children[0], DeepEquals, child) + c.Assert(newParent.mu.children[child.label][0], DeepEquals, child) c.Assert(len(oldParent.mu.children), Equals, 0) } @@ -163,7 +163,7 @@ func (s *testSuite) TestDetach(c *C) { c.Assert(child.BytesConsumed(), Equals, int64(100)) c.Assert(parent.BytesConsumed(), Equals, int64(100)) c.Assert(len(parent.mu.children), Equals, 1) - c.Assert(parent.mu.children[0], DeepEquals, child) + c.Assert(parent.mu.children[child.label][0], DeepEquals, child) child.Detach() c.Assert(child.BytesConsumed(), Equals, int64(100)) @@ -185,14 +185,14 @@ func (s *testSuite) TestReplaceChild(c *C) { parent.ReplaceChild(oldChild, newChild) c.Assert(parent.BytesConsumed(), Equals, int64(500)) c.Assert(len(parent.mu.children), Equals, 1) - c.Assert(parent.mu.children[0], DeepEquals, newChild) + c.Assert(parent.mu.children[newChild.label][0], DeepEquals, newChild) c.Assert(newChild.getParent(), DeepEquals, parent) c.Assert(oldChild.getParent(), IsNil) parent.ReplaceChild(oldChild, nil) c.Assert(parent.BytesConsumed(), Equals, int64(500)) c.Assert(len(parent.mu.children), Equals, 1) - c.Assert(parent.mu.children[0], DeepEquals, newChild) + c.Assert(parent.mu.children[newChild.label][0], DeepEquals, newChild) c.Assert(newChild.getParent(), DeepEquals, parent) c.Assert(oldChild.getParent(), IsNil) From 28cdf550094179f7bcc799534900706ca8c5f221 Mon Sep 17 00:00:00 2001 From: you06 Date: Fri, 6 Nov 2020 11:16:25 +0800 Subject: [PATCH 0155/1021] transaction: lock row key in delete operation (#20755) --- executor/delete_test.go | 22 ++++++++++++++++++++-- session/tidb_test.go | 2 +- session/txn.go | 5 ++--- 3 files changed, 23 insertions(+), 6 deletions(-) diff --git a/executor/delete_test.go b/executor/delete_test.go index c4bcb1876f1e3..adb5dfcfe4f96 100644 --- a/executor/delete_test.go +++ b/executor/delete_test.go @@ -25,7 +25,7 @@ func (s *testSuite8) TestDeleteLockKey(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") - tk.MustExec(`drop table if exists t1, t2, t3, t4;`) + tk.MustExec(`drop table if exists t1, t2, t3, t4, t5, t6;`) cases := []struct { ddl string @@ -51,6 +51,24 @@ func (s *testSuite8) TestDeleteLockKey(c *C) { "delete from t3 where vv = 4", "insert into t3 values(1, 2, 3, 5)", }, + { + "create table t4(k int, kk int, val int, vv int, primary key(k, kk), unique key(val))", + "insert into t4 values(1, 2, 3, 4)", + "delete from t4 where 1", + "insert into t4 values(1, 2, 3, 5)", + }, + { + "create table t5(k int, kk int, val int, vv int, primary key(k, kk), unique key(val))", + "insert into t5 values(1, 2, 3, 4), (2, 3, 4, 5)", + "delete from t5 where k in (1, 2, 3, 4)", + "insert into t5 values(1, 2, 3, 5)", + }, + { + "create table t6(k int, kk int, val int, vv int, primary key(k, kk), unique key(val))", + "insert into t6 values(1, 2, 3, 4), (2, 3, 4, 5)", + "delete from t6 where kk between 0 and 10", + "insert into t6 values(1, 2, 3, 5), (2, 3, 4, 6)", + }, } var wg sync.WaitGroup for _, t := range cases { @@ -75,7 +93,7 @@ func (s *testSuite8) TestDeleteLockKey(c *C) { tk2.MustExec(t.tk2Stmt) doneCh <- struct{}{} }() - time.Sleep(20 * time.Millisecond) + time.Sleep(50 * time.Millisecond) tk1.MustExec("commit") <-doneCh tk2.MustExec("commit") diff --git a/session/tidb_test.go b/session/tidb_test.go index f3a27c73083a7..eff7406332925 100644 --- a/session/tidb_test.go +++ b/session/tidb_test.go @@ -193,7 +193,7 @@ func (s *testMainSuite) TestKeysNeedLock(c *C) { need bool }{ {rowKey, rowVal, true}, - {rowKey, deleteVal, false}, + {rowKey, deleteVal, true}, {indexKey, nonUniqueVal, false}, {indexKey, nonUniqueUntouched, false}, {indexKey, uniqueValue, true}, diff --git a/session/txn.go b/session/txn.go index 1d9f90b5168be..3b756c022efc6 100644 --- a/session/txn.go +++ b/session/txn.go @@ -289,10 +289,9 @@ func keyNeedToLock(k, v []byte, flags kv.KeyFlags) bool { return true } - // do not lock row key for delete operation, - // lock primary key and unique index only. + // lock row key, primary key and unique index for delete operation, if len(v) == 0 { - return flags.HasNeedLocked() + return flags.HasNeedLocked() || tablecodec.IsRecordKey(k) } if tablecodec.IsUntouchedIndexKValue(k, v) { From c243a0b8ceb67e0f7576967d70e026979e42cf56 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=99=8E?= Date: Fri, 6 Nov 2020 11:40:01 +0800 Subject: [PATCH 0156/1021] expression: fix ADD_DATE daylight saving time change (#20871) --- executor/executor_test.go | 9 +++++++++ expression/builtin_time.go | 2 +- types/core_time.go | 2 +- 3 files changed, 11 insertions(+), 2 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index d04d7157dd63b..028a513bc61e4 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6752,3 +6752,12 @@ func (s *testSerialSuite) TestIssue19148(c *C) { c.Assert(err, IsNil) c.Assert(int(tblInfo.Meta().Columns[0].Flag), Equals, 0) } + +func (s *testSuite) TestIssue19667(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("CREATE TABLE t (a DATETIME)") + tk.MustExec("INSERT INTO t VALUES('1988-04-17 01:59:59')") + tk.MustQuery(`SELECT DATE_ADD(a, INTERVAL 1 SECOND) FROM t`).Check(testkit.Rows("1988-04-17 02:00:00")) +} diff --git a/expression/builtin_time.go b/expression/builtin_time.go index 05f143507f3f9..ce2dd2fde6042 100644 --- a/expression/builtin_time.go +++ b/expression/builtin_time.go @@ -2853,7 +2853,7 @@ func (du *baseDateArithmitical) add(ctx sessionctx.Context, date types.Time, int } func (du *baseDateArithmitical) addDate(ctx sessionctx.Context, date types.Time, year, month, day, nano int64) (types.Time, bool, error) { - goTime, err := date.GoTime(time.Local) + goTime, err := date.GoTime(time.UTC) if err := handleInvalidTimeError(ctx, err); err != nil { return types.ZeroTime, true, err } diff --git a/types/core_time.go b/types/core_time.go index ebb4baafc306c..f8cf9a0b0db9d 100644 --- a/types/core_time.go +++ b/types/core_time.go @@ -251,7 +251,7 @@ func compareTime(a, b CoreTime) int { // When we execute select date_add('2018-01-31',interval 1 month) in mysql we got 2018-02-28 // but in tidb we got 2018-03-03. // Dig it and we found it's caused by golang api time.Date(year int, month Month, day, hour, min, sec, nsec int, loc *Location) Time , -// it says October 32 converts to November 1 ,it conflits with mysql. +// it says October 32 converts to November 1 ,it conflicts with mysql. // See https://dev.mysql.com/doc/refman/5.7/en/date-and-time-functions.html#function_date-add func AddDate(year, month, day int64, ot gotime.Time) (nt gotime.Time) { df := getFixDays(int(year), int(month), int(day), ot) From 2c8b28c37be2d3b9bf9c805753e5c4670864df44 Mon Sep 17 00:00:00 2001 From: wjHuang Date: Fri, 6 Nov 2020 12:06:32 +0800 Subject: [PATCH 0157/1021] ddl: forbid invalid usage of window function in the generated column (#20855) Signed-off-by: wjhuang2016 --- ddl/db_test.go | 8 ++++++++ ddl/error.go | 1 + ddl/generated_column.go | 7 +++++++ 3 files changed, 16 insertions(+) diff --git a/ddl/db_test.go b/ddl/db_test.go index 29c85542b70ca..513367e4ddc2a 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -6361,3 +6361,11 @@ func (s *testSerialDBSuite) TestModifyColumnTypeWhenInterception(c *C) { res := tk.MustQuery("show warnings") c.Assert(len(res.Rows()), Equals, count) } + +func (s *testDBSuite4) TestGeneratedColumnWindowFunction(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test_db") + tk.MustExec("DROP TABLE IF EXISTS t") + tk.MustGetErrCode("CREATE TABLE t (a INT , b INT as (ROW_NUMBER() OVER (ORDER BY a)))", errno.ErrWindowInvalidWindowFuncUse) + tk.MustGetErrCode("CREATE TABLE t (a INT , index idx ((ROW_NUMBER() OVER (ORDER BY a))))", errno.ErrWindowInvalidWindowFuncUse) +} diff --git a/ddl/error.go b/ddl/error.go index 905728453ae46..c8f444e72032b 100644 --- a/ddl/error.go +++ b/ddl/error.go @@ -111,6 +111,7 @@ var ( errUnsupportedCreatePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "partition type, treat as normal table"), nil), "", "") errTablePartitionDisabled = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message("Partitions are ignored because Table Partition is disabled, please set 'tidb_enable_table_partition' if you need to need to enable it", nil), "", "") errUnsupportedIndexType = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "index type"), nil), "", "") + errWindowInvalidWindowFuncUse = dbterror.ClassDDL.NewStd(mysql.ErrWindowInvalidWindowFuncUse) // ErrDupKeyName returns for duplicated key name ErrDupKeyName = dbterror.ClassDDL.NewStd(mysql.ErrDupKeyName) diff --git a/ddl/generated_column.go b/ddl/generated_column.go index d76b030a84434..62a7c6dff9588 100644 --- a/ddl/generated_column.go +++ b/ddl/generated_column.go @@ -229,6 +229,7 @@ type illegalFunctionChecker struct { hasIllegalFunc bool hasAggFunc bool hasRowVal bool // hasRowVal checks whether the functional index refers to a row value + hasWindowFunc bool } func (c *illegalFunctionChecker) Enter(inNode ast.Node) (outNode ast.Node, skipChildren bool) { @@ -251,6 +252,9 @@ func (c *illegalFunctionChecker) Enter(inNode ast.Node) (outNode ast.Node, skipC case *ast.RowExpr: c.hasRowVal = true return inNode, true + case *ast.WindowFuncExpr: + c.hasWindowFunc = true + return inNode, true } return inNode, false } @@ -289,6 +293,9 @@ func checkIllegalFn4Generated(name string, genType int, expr ast.ExprNode) error return ErrFunctionalIndexRowValueIsNotAllowed.GenWithStackByArgs(name) } } + if c.hasWindowFunc { + return errWindowInvalidWindowFuncUse.GenWithStackByArgs(name) + } return nil } From 155e908cce31d4f2c1ed022a536242e786e70a0d Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Fri, 6 Nov 2020 14:00:31 +0800 Subject: [PATCH 0158/1021] doc/design: add pinyin order collation for utf8mb4 charset (#19984) --- .../design/2020-09-12-utf8mb4-pinyin-order.md | 78 +++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 docs/design/2020-09-12-utf8mb4-pinyin-order.md diff --git a/docs/design/2020-09-12-utf8mb4-pinyin-order.md b/docs/design/2020-09-12-utf8mb4-pinyin-order.md new file mode 100644 index 0000000000000..3deb35aaa5540 --- /dev/null +++ b/docs/design/2020-09-12-utf8mb4-pinyin-order.md @@ -0,0 +1,78 @@ +# Proposal: support `pinyin` order for `utf8mb4` charset + +- Author(s): [xiongjiwei](https://github.com/xiongjiwei) +- Last updated: 2020-11-06 +- Discussion at: https://github.com/pingcap/tidb/issues/19747 + +## Abstract +This proposal proposes a new feature that supports `pinyin` order for chinese character. + +## Background +It's unable now to order by a column based on its pinyin order. For example: + +```sql +create table t( + a varchar(100) +) +charset = 'utf8mb4' collate = 'utf8mb4_zh_0900_as_cs'; + +# insert some data: +insert into t values ("中文"), ("啊中文"); + +# a query requires to order by column a in its pinyin order: +select * from t order by a; ++-----------+ +| a | ++-----------+ +| 啊中文 | +| 中文 | ++-----------+ +2 rows in set (0.00 sec) +``` + +## Proposal + +`pinyin` order for Chinese character supported by this proposal will add a new collation named `utf8mb4_zh_pinyin_tidb_as_cs` which is support all Unicode and sort Chinese characters correctly according to the PINYIN collation in zh.xml file of [CLDR24](http://unicode.org/Public/cldr/24/core.zip), and only support those Chinese characters with `pinyin` in zh.xml currently, we support neither those CJK characters whose category defined in Unicode are Symbol with the same shape as Chinese characters nor the PINYIN characters. In `utf8mb4_zh_pinyin_tidb_as_cs`, `utf8mb4` means charset utf8mb4, `zh` means Chinese language, `pinyin` means it has pinyin order, `tidb` means a special(tidb) version, and `as_cs` means it is accent-sensitive and case-sensitive. + +### Advantages + +It's a lot of work if we implement `utf8mb4_zh_0900_as_cs`. The implementation of MySQL looks complicated with weight reorders, magic numbers, and some tricks. Implementing `utf8mb4_zh_pinyin_tidb_as_cs` is much easier. It supports all Chinese characters and sorts Chinese characters in pinyin order. It is good enough. + +### Disadvantages + +It is not compatible with MySQL. MySQL does not have a collation named `utf8mb4_zh_pinyin_tidb_as_cs`. + +## Rationale + +### How to implement + +#### Compare and Key + +- For any Chinese character, which has non-zero seq NO. defined in zh.xml according to its gb18030 code, the final weight shall be 0xFFA00000+(seq No.) +- For any non-Chinese gb18030 character 2 bytes C, the final weight shall be C itself. +- For any non-Chinese gb18030 character 4 bytes C, the final weight shall be 0xFF000000+diff(C)(we get diff by Algorithm). + +### Parser + +Choose collation ID `2048` for `utf8mb4_zh_pinyin_tidb_as_cs` and add it into parser. + +> MySQL supports two-byte collation IDs. The range of IDs from 1024 to 2047 is reserved for user-defined collations. [see also](https://dev.mysql.com/doc/refman/8.0/en/adding-collation-choosing-id.html) + +### Compatibility with current collations + +`utf8mb4_zh_pinyin_tidb_as_cs` has same priority with `utf8mb4_unicode_ci` and `utf8mb4_general_ci`, which means these three collations incompatible with each other. + +### Alternative +MySQL has a lot of language specific collations, for `pinyin` order, MySQL uses collation `utf8mb4_zh_0900_as_cs`. + +## Compatibility and Migration Plan + +### Compatibility issues with MySQL + +There is no `utf8mb4_zh_pinyin_tidb_as_cs` collation in MySQL. We can comment `utf8mb4_zh_pinyin_tidb_as_cs` when users need to replicate their data from TiDB to MySQL. + +## Open issues (if applicable) + +https://github.com/pingcap/tidb/issues/19747 + +https://github.com/pingcap/tidb/issues/10192 From 36ca73db531de5c255ee0aec9183ae9e707ffdd4 Mon Sep 17 00:00:00 2001 From: Song Gao Date: Fri, 6 Nov 2020 14:15:04 +0800 Subject: [PATCH 0159/1021] store, executor: Fix coprocessor layer may encounter deadlock due to OOM (#20697) --- executor/executor_test.go | 60 +++++++++++++++++++++++++++++++++++++-- store/tikv/coprocessor.go | 40 +++++++++++++++++++++----- 2 files changed, 90 insertions(+), 10 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index 028a513bc61e4..abc8f16ed8ead 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6677,13 +6677,13 @@ func (s *testSerialSuite) TestCoprocessorOOMAction(c *C) { // assert oom action for _, testcase := range testcases { c.Log(testcase.name) - // larger than one copResponse, smaller than 2 copResponse - quota := 199 + // larger than 4 copResponse, smaller than 5 copResponse + quota := 499 se, err := session.CreateSession4Test(s.store) c.Check(err, IsNil) tk.Se = se tk.MustExec("use test") - tk.MustExec("set @@tidb_distsql_scan_concurrency = 30") + tk.MustExec("set @@tidb_distsql_scan_concurrency = 2") tk.MustExec(fmt.Sprintf("set @@tidb_mem_quota_query=%v;", quota)) var expect []string for i := 0; i < count; i++ { @@ -6729,6 +6729,60 @@ func (s *testSerialSuite) TestCoprocessorOOMAction(c *C) { } } +func (s *testSerialSuite) TestIssue20454(c *C) { + // Assert Coprocessor OOMAction + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec(`set @@tidb_wait_split_region_finish=1`) + // create table for non keep-order case + tk.MustExec("drop table if exists t5") + tk.MustExec("create table t5(id int)") + tk.MustQuery(`split table t5 between (0) and (10000) regions 10`).Check(testkit.Rows("9 1")) + count := 10 + for i := 0; i < count; i++ { + tk.MustExec(fmt.Sprintf("insert into t5 (id) values (%v)", i)) + } + + testcases := []struct { + name string + sql string + }{ + { + name: "non keep Order", + sql: "select id from t5", + }, + } + defer config.RestoreFunc()() + config.UpdateGlobal(func(conf *config.Config) { + conf.OOMAction = config.OOMActionLog + }) + + failpoint.Enable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockConsumeAndAssert", `return(true)`) + defer failpoint.Disable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockConsumeAndAssert") + failpoint.Enable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockOtherExecutorConsume", `return(true)`) + defer failpoint.Disable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockOtherExecutorConsume") + // assert oom action + for _, testcase := range testcases { + c.Log(testcase.name) + // must oom + quota := 90000 + se, err := session.CreateSession4Test(s.store) + c.Check(err, IsNil) + tk.Se = se + tk.MustExec("use test") + tk.MustExec("set @@tidb_distsql_scan_concurrency = 30") + tk.MustExec(fmt.Sprintf("set @@tidb_mem_quota_query=%v;", quota)) + var expect []string + for i := 0; i < count; i++ { + expect = append(expect, fmt.Sprintf("%v", i)) + } + tk.MustQuery(testcase.sql).Sort().Check(testkit.Rows(expect...)) + // assert oom action worked by max consumed > memory quota + c.Assert(tk.Se.GetSessionVars().StmtCtx.MemTracker.MaxConsumed(), Greater, int64(quota)) + se.Close() + } +} + func (s *testSuite) TestIssue20237(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go index 19766d582f820..cdce2a302a2ca 100644 --- a/store/tikv/coprocessor.go +++ b/store/tikv/coprocessor.go @@ -515,13 +515,24 @@ const minLogCopTaskTime = 300 * time.Millisecond // run is a worker function that get a copTask from channel, handle it and // send the result back. func (worker *copIteratorWorker) run(ctx context.Context) { - defer worker.wg.Done() + defer func() { + worker.actionOnExceed.close() + worker.wg.Done() + }() for task := range worker.taskCh { respCh := worker.respChan if respCh == nil { respCh = task.respChan } worker.handleTask(ctx, task, respCh) + failpoint.Inject("testRateLimitActionMockOtherExecutorConsume", func(val failpoint.Value) { + if val.(bool) { + // wait action being enabled and response channel become empty + time.Sleep(20 * time.Millisecond) + // simulate other executor consume and trigger oom action + worker.memTracker.Consume(99999) + } + }) close(task.respChan) worker.maxID.setMaxIDIfLarger(task.id) worker.actionOnExceed.destroyTokenIfNeeded(func() { @@ -678,10 +689,10 @@ func (it *copIterator) Next(ctx context.Context) (kv.ResultSubset, error) { ok bool closed bool ) - // wait unit at least 2 copResponse received. + // wait unit at least 5 copResponse received. failpoint.Inject("testRateLimitActionMockWaitMax", func(val failpoint.Value) { if val.(bool) { - for it.memTracker.MaxConsumed() < 200 { + for it.memTracker.MaxConsumed() < 500 { } } }) @@ -1297,6 +1308,8 @@ type rateLimitAction struct { // isTokenDestroyed indicates whether there is one token has been isTokenDestroyed after Action been triggered isTokenDestroyed bool once sync.Once + // triggered indicates whether the action is triggered + triggered bool // waitingWorkerCnt indicates the total count of workers which is under condition.Waiting waitingWorkerCnt uint // triggerCountForTest indicates the total count of the rateLimitAction's Action being executed @@ -1313,6 +1326,7 @@ func newRateLimitAction(totalTokenNumber uint, cond *sync.Cond) *rateLimitAction remainingTokenNum uint isTokenDestroyed bool once sync.Once + triggered bool waitingWorkerCnt uint triggerCountForTest uint }{ @@ -1368,6 +1382,7 @@ func (e *rateLimitAction) Action(t *memory.Tracker) { e.cond.isTokenDestroyed = false e.cond.exceeded = true e.cond.triggerCountForTest++ + e.cond.triggered = true }) } @@ -1389,7 +1404,7 @@ func (e *rateLimitAction) broadcastIfNeeded(needed bool) { } e.conditionLock() defer e.conditionUnlock() - if !e.cond.exceeded || e.cond.waitingWorkerCnt < 1 { + if !e.cond.exceeded { return } for !e.cond.isTokenDestroyed { @@ -1397,6 +1412,7 @@ func (e *rateLimitAction) broadcastIfNeeded(needed bool) { } e.cond.exceeded = false e.cond.Broadcast() + e.unsafeInitOnce() } // destroyTokenIfNeeded will check the `exceed` flag after copWorker finished one task. @@ -1415,17 +1431,24 @@ func (e *rateLimitAction) destroyTokenIfNeeded(returnToken func()) { e.cond.remainingTokenNum = e.cond.remainingTokenNum - 1 e.cond.isTokenDestroyed = true e.cond.Broadcast() - } else { - returnToken() + return } + + returnToken() // we suspend worker when `exceeded` is true until being notified by `broadcastIfNeeded` for e.cond.exceeded { e.cond.waitingWorkerCnt++ e.cond.Wait() e.cond.waitingWorkerCnt-- } + e.unsafeInitOnce() +} + +// unsafeInitOnce would init once if the condition is meet. This should be used under condition's lock. +func (e *rateLimitAction) unsafeInitOnce() { // only when all the waiting workers have been resumed, the Action could be initialized again. - if e.cond.waitingWorkerCnt < 1 { + if e.cond.waitingWorkerCnt < 1 && e.cond.triggered { + e.cond.triggered = false e.cond.once = sync.Once{} } } @@ -1439,6 +1462,9 @@ func (e *rateLimitAction) conditionUnlock() { } func (e *rateLimitAction) close() { + if !e.isEnabled() { + return + } e.setEnabled(false) e.conditionLock() defer e.conditionUnlock() From 583cbd265ba5df2a1935c7c430f8412187f8f8d2 Mon Sep 17 00:00:00 2001 From: Yiding Cui Date: Fri, 6 Nov 2020 15:39:33 +0800 Subject: [PATCH 0160/1021] statistics: store the topn by slice instead of map (#20818) --- executor/analyze_test.go | 30 +++-- statistics/cmsketch.go | 219 ++++++++++++++++----------------- statistics/cmsketch_test.go | 10 +- statistics/feedback.go | 4 +- statistics/handle/bootstrap.go | 5 + statistics/handle/handle.go | 6 +- statistics/handle/update.go | 2 +- statistics/histogram.go | 7 +- statistics/sample.go | 3 +- 9 files changed, 139 insertions(+), 147 deletions(-) diff --git a/executor/analyze_test.go b/executor/analyze_test.go index 74469842d8b20..659b309e25ca3 100644 --- a/executor/analyze_test.go +++ b/executor/analyze_test.go @@ -181,7 +181,7 @@ func (s *testSuite1) TestAnalyzeParameters(c *C) { tbl := s.dom.StatsHandle().GetTableStats(tableInfo) col := tbl.Columns[1] c.Assert(col.Len(), Equals, 20) - c.Assert(len(col.TopN.TopN()), Equals, 1) + c.Assert(len(col.TopN.TopN), Equals, 1) width, depth := col.CMSketch.GetWidthAndDepth() c.Assert(depth, Equals, int32(5)) c.Assert(width, Equals, int32(2048)) @@ -190,7 +190,7 @@ func (s *testSuite1) TestAnalyzeParameters(c *C) { tbl = s.dom.StatsHandle().GetTableStats(tableInfo) col = tbl.Columns[1] c.Assert(col.Len(), Equals, 4) - c.Assert(len(col.TopN.TopN()), Equals, 0) + c.Assert(col.TopN, IsNil) width, depth = col.CMSketch.GetWidthAndDepth() c.Assert(depth, Equals, int32(4)) c.Assert(width, Equals, int32(4)) @@ -200,7 +200,7 @@ func (s *testSuite1) TestAnalyzeParameters(c *C) { tbl = s.dom.StatsHandle().GetTableStats(tableInfo) col = tbl.Columns[1] c.Assert(col.Len(), Equals, 20) - c.Assert(len(col.TopN.TopN()), Equals, 1) + c.Assert(len(col.TopN.TopN), Equals, 1) width, depth = col.CMSketch.GetWidthAndDepth() c.Assert(depth, Equals, int32(1)) c.Assert(width, Equals, int32(statistics.CMSketchSizeLimit)) @@ -210,7 +210,7 @@ func (s *testSuite1) TestAnalyzeParameters(c *C) { tbl = s.dom.StatsHandle().GetTableStats(tableInfo) col = tbl.Columns[1] c.Assert(col.Len(), Equals, 20) - c.Assert(len(col.TopN.TopN()), Equals, 1) + c.Assert(len(col.TopN.TopN), Equals, 1) width, depth = col.CMSketch.GetWidthAndDepth() c.Assert(depth, Equals, int32(50)) c.Assert(width, Equals, int32(20480)) @@ -633,13 +633,13 @@ func (s *testSuite1) TestExtractTopN(c *C) { tblInfo := table.Meta() tblStats := s.dom.StatsHandle().GetTableStats(tblInfo) colStats := tblStats.Columns[tblInfo.Columns[1].ID] - c.Assert(len(colStats.TopN.TopN()), Equals, 1) - item := colStats.TopN.TopN()[0] + c.Assert(len(colStats.TopN.TopN), Equals, 1) + item := colStats.TopN.TopN[0] c.Assert(item.Count, Equals, uint64(11)) idxStats := tblStats.Indices[tblInfo.Indices[0].ID] - c.Assert(len(idxStats.TopN.TopN()), Equals, 1) - item = idxStats.TopN.TopN()[0] - c.Assert(item.Count, Equals, uint64(11)) + c.Assert(len(idxStats.TopN.TopN), Equals, 1) + idxItem := idxStats.TopN.TopN[0] + c.Assert(idxItem.Count, Equals, uint64(11)) } func (s *testSuite1) TestHashInTopN(c *C) { @@ -668,14 +668,12 @@ func (s *testSuite1) TestHashInTopN(c *C) { tblStats2 := s.dom.StatsHandle().GetTableStats(tblInfo).Copy() // check the hash for topn for _, col := range tblInfo.Columns { - topn1 := tblStats1.Columns[col.ID].TopN.TopNMap() + topn1 := tblStats1.Columns[col.ID].TopN.TopN cm2 := tblStats2.Columns[col.ID].TopN - for h1, topnMetas := range topn1 { - for _, topnMeta1 := range topnMetas { - count2, exists := cm2.QueryTopN(h1, topnMeta1.GetH2(), topnMeta1.Data) - c.Assert(exists, Equals, true) - c.Assert(count2, Equals, topnMeta1.Count) - } + for _, topnMeta := range topn1 { + count2, exists := cm2.QueryTopN(topnMeta.Encoded) + c.Assert(exists, Equals, true) + c.Assert(count2, Equals, topnMeta.Count) } } } diff --git a/statistics/cmsketch.go b/statistics/cmsketch.go index 1d07b48e015f2..cc8d02e24cc75 100644 --- a/statistics/cmsketch.go +++ b/statistics/cmsketch.go @@ -45,18 +45,6 @@ type CMSketch struct { table [][]uint32 } -// TopNMeta is a simple counter used by BuildTopN. -type TopNMeta struct { - h2 uint64 // h2 is the second part of `murmur3.Sum128()`, it is always used with the first part `h1`. - Data []byte - Count uint64 -} - -// GetH2 get the the second part of `murmur3.Sum128()`, just for test. -func (t *TopNMeta) GetH2() uint64 { - return t.h2 -} - // NewCMSketch returns a new CM sketch. func NewCMSketch(d, w int32) *CMSketch { tbl := make([][]uint32, d) @@ -143,9 +131,9 @@ func buildCMSAndTopN(helper *topNHelper, d, w int32, scaleRatio uint64, defaultV t = NewTopN(int(helper.actualNumTop)) for i := uint32(0); i < helper.actualNumTop; i++ { data, cnt := helper.sorted[i].data, helper.sorted[i].cnt - h1, h2 := murmur3.Sum128(data) - t.topN[h1] = append(t.topN[h1], &TopNMeta{h2, data, cnt * scaleRatio}) + t.AppendTopN(data, cnt*scaleRatio) } + t.Sort() helper.sorted = helper.sorted[helper.actualNumTop:] } c.defaultValue = defaultVal @@ -171,15 +159,6 @@ func calculateDefaultVal(helper *topNHelper, estimateNDV, scaleRatio, rowCount u return estimateRemainingCount / mathutil.MaxUint64(1, estimateNDV-sampleNDV+helper.onlyOnceItems) } -func (c *TopN) findTopNMeta(h1, h2 uint64, d []byte) *TopNMeta { - for _, meta := range c.topN[h1] { - if meta.h2 == h2 && bytes.Equal(d, meta.Data) { - return meta - } - } - return nil -} - // MemoryUsage returns the total memory usage of a CMSketch. // only calc the hashtable size(CMSketch.table) and the CMSketch.topN // data are not tracked because size of CMSketch.topN take little influence @@ -191,30 +170,22 @@ func (c *CMSketch) MemoryUsage() (sum int64) { // queryAddTopN TopN adds count to CMSketch.topN if exists, and returns the count of such elements after insert. // If such elements does not in topn elements, nothing will happen and false will be returned. -func (c *TopN) updateTopNWithDelta(h1, h2 uint64, d []byte, delta uint64) bool { - if c == nil || c.topN == nil { +func (c *TopN) updateTopNWithDelta(d []byte, delta uint64, increase bool) bool { + if c == nil || c.TopN == nil { return false } - meta := c.findTopNMeta(h1, h2, d) - if meta != nil { - meta.Count += delta + idx := c.findTopN(d) + if idx >= 0 { + if increase { + c.TopN[idx].Count += delta + } else { + c.TopN[idx].Count -= delta + } return true } return false } -// QueryTopN returns the results for (h1, h2) in murmur3.Sum128(), if not exists, return (0, false). -func (c *TopN) QueryTopN(h1, h2 uint64, d []byte) (uint64, bool) { - if c == nil { - return 0, false - } - meta := c.findTopNMeta(h1, h2, d) - if meta != nil { - return meta.Count, true - } - return 0, false -} - // InsertBytes inserts the bytes value into the CM Sketch. func (c *CMSketch) InsertBytes(bytes []byte) { c.insertBytesByCount(bytes, 1) @@ -236,9 +207,12 @@ func (c *CMSketch) considerDefVal(cnt uint64) bool { func updateValueBytes(c *CMSketch, t *TopN, d []byte, count uint64) { h1, h2 := murmur3.Sum128(d) - if oriCount, ok := t.QueryTopN(h1, h2, d); ok { - deltaCount := count - oriCount - t.updateTopNWithDelta(h1, h2, d, deltaCount) + if oriCount, ok := t.QueryTopN(d); ok { + if count > oriCount { + t.updateTopNWithDelta(d, count-oriCount, true) + } else { + t.updateTopNWithDelta(d, oriCount-count, false) + } } c.setValue(h1, h2, count) } @@ -279,7 +253,7 @@ func queryValue(sc *stmtctx.StatementContext, c *CMSketch, t *TopN, val types.Da return 0, errors.Trace(err) } h1, h2 := murmur3.Sum128(bytes) - if ret, ok := t.QueryTopN(h1, h2, bytes); ok { + if ret, ok := t.QueryTopN(bytes); ok { return ret, nil } return c.queryHashValue(h1, h2), nil @@ -335,18 +309,14 @@ func MergeTopN(dst, src *TopN, c *CMSketch, numTop uint32, usingMax bool) { return } counter := make(map[hack.MutableString]uint64) - for _, metas := range dst.topN { - for _, meta := range metas { - counter[hack.String(meta.Data)] += meta.Count - } + for _, meta := range dst.TopN { + counter[hack.String(meta.Encoded)] += meta.Count } - for _, metas := range src.topN { - for _, meta := range metas { - if usingMax { - counter[hack.String(meta.Data)] = mathutil.MaxUint64(counter[hack.String(meta.Data)], meta.Count) - } else { - counter[hack.String(meta.Data)] += meta.Count - } + for _, meta := range src.TopN { + if usingMax { + counter[hack.String(meta.Encoded)] = mathutil.MaxUint64(counter[hack.String(meta.Encoded)], meta.Count) + } else { + counter[hack.String(meta.Encoded)] += meta.Count } } sorted := make([]uint64, len(counter)) @@ -358,16 +328,16 @@ func MergeTopN(dst, src *TopN, c *CMSketch, numTop uint32, usingMax bool) { }) numTop = mathutil.MinUint32(uint32(len(counter)), numTop) lastTopCnt := sorted[numTop-1] - dst.topN = make(map[uint64][]*TopNMeta) + dst.TopN = make([]TopNMeta, 0, numTop) for value, cnt := range counter { data := hack.Slice(string(value)) if cnt >= lastTopCnt { - h1, h2 := murmur3.Sum128(data) - dst.topN[h1] = append(dst.topN[h1], &TopNMeta{h2, data, cnt}) + dst.AppendTopN(data, cnt) } else { c.insertBytesByCount(data, cnt) } } + dst.Sort() } // MergeCMSketch merges two CM Sketch. @@ -446,9 +416,11 @@ func CMSketchAndTopNFromProto(protoSketch *tipb.CMSketch) (*CMSketch, *TopN) { func TopNFromProto(protoTopN []*tipb.CMSketchTopN) *TopN { topN := NewTopN(32) for _, e := range protoTopN { - h1, h2 := murmur3.Sum128(e.Data) - topN.topN[h1] = append(topN.topN[h1], &TopNMeta{h2, e.Data, e.Count}) + d := make([]byte, len(e.Data)) + copy(d, e.Data) + topN.AppendTopN(d, e.Count) } + topN.Sort() return topN } @@ -488,20 +460,6 @@ func (c *CMSketch) TotalCount() uint64 { return c.count } -// TotalCount returns the total count in the TopN. -func (c *TopN) TotalCount() uint64 { - if c == nil { - return 0 - } - var cnt uint64 - for _, metas := range c.topN { - for _, meta := range metas { - cnt += meta.Count - } - } - return cnt -} - // Equal tests if two CM Sketch equal, it is only used for test. func (c *CMSketch) Equal(rc *CMSketch) bool { return reflect.DeepEqual(c, rc) @@ -520,67 +478,96 @@ func (c *CMSketch) Copy() *CMSketch { return &CMSketch{count: c.count, width: c.width, depth: c.depth, table: tbl, defaultValue: c.defaultValue} } +// AppendTopN appends a topn into the TopN struct. +func (c *TopN) AppendTopN(data []byte, count uint64) { + c.TopN = append(c.TopN, TopNMeta{data, count}) +} + +// GetWidthAndDepth returns the width and depth of CM Sketch. +func (c *CMSketch) GetWidthAndDepth() (int32, int32) { + return c.width, c.depth +} + +// CalcDefaultValForAnalyze calculate the default value for Analyze. +// The value of it is count / NDV in CMSketch. This means count and NDV are not include topN. +func (c *CMSketch) CalcDefaultValForAnalyze(NDV uint64) { + c.defaultValue = c.count / mathutil.MaxUint64(1, NDV) +} + +// TopN stores most-common values, which is used to estimate point queries. +type TopN struct { + TopN []TopNMeta +} + // Copy makes a copy for current TopN. func (c *TopN) Copy() *TopN { if c == nil { return nil } - topN := make(map[uint64][]*TopNMeta, len(c.topN)) - for h1, vals := range c.topN { - newVals := make([]*TopNMeta, 0, len(vals)) - for _, val := range vals { - newVal := TopNMeta{h2: val.h2, Count: val.Count, Data: make([]byte, len(val.Data))} - copy(newVal.Data, val.Data) - newVals = append(newVals, &newVal) - } - topN[h1] = newVals - } - return &TopN{topN} -} - -// TopN gets all the topN meta. -func (c *TopN) TopN() []*TopNMeta { - if c == nil { - return nil + topN := make([]TopNMeta, len(c.TopN)) + for i, t := range c.TopN { + topN[i].Encoded = make([]byte, len(t.Encoded)) + copy(topN[i].Encoded, t.Encoded) + topN[i].Count = t.Count } - topN := make([]*TopNMeta, 0, len(c.topN)) - for _, meta := range c.topN { - topN = append(topN, meta...) + return &TopN{ + TopN: topN, } - return topN } -// TopNMap gets the origin topN map. -func (c *TopN) TopNMap() map[uint64][]*TopNMeta { - return c.topN +// TopNMeta stores the unit of the TopN. +type TopNMeta struct { + Encoded []byte + Count uint64 } -// AppendTopN appends a topn into the cm sketch. -func (c *TopN) AppendTopN(data []byte, count uint64) { - if c.topN == nil { - c.topN = make(map[uint64][]*TopNMeta) +// QueryTopN returns the results for (h1, h2) in murmur3.Sum128(), if not exists, return (0, false). +func (c *TopN) QueryTopN(d []byte) (uint64, bool) { + if c == nil { + return 0, false } - h1, h2 := murmur3.Sum128(data) - c.topN[h1] = append(c.topN[h1], &TopNMeta{h2, data, count}) + idx := c.findTopN(d) + if idx < 0 { + return 0, false + } + return c.TopN[idx].Count, true } -// GetWidthAndDepth returns the width and depth of CM Sketch. -func (c *CMSketch) GetWidthAndDepth() (int32, int32) { - return c.width, c.depth +func (c *TopN) findTopN(d []byte) int { + match := false + idx := sort.Search(len(c.TopN), func(i int) bool { + cmp := bytes.Compare(c.TopN[i].Encoded, d) + if cmp == 0 { + match = true + } + return cmp >= 0 + }) + if !match { + return -1 + } + return idx } -// CalcDefaultValForAnalyze calculate the default value for Analyze. -// The value of it is count / NDV in CMSketch. This means count and NDV are not include topN. -func (c *CMSketch) CalcDefaultValForAnalyze(NDV uint64) { - c.defaultValue = c.count / mathutil.MaxUint64(1, NDV) +// Sort sorts the topn items. +func (c *TopN) Sort() { + sort.Slice(c.TopN, func(i, j int) bool { + return bytes.Compare(c.TopN[i].Encoded, c.TopN[j].Encoded) < 0 + }) } -// TopN stores most-common values, which is used to estimate point queries. -type TopN struct { - topN map[uint64][]*TopNMeta +// TotalCount returns how many data is stored in TopN. +func (c *TopN) TotalCount() uint64 { + if c == nil { + return 0 + } + total := uint64(0) + for _, t := range c.TopN { + total += t.Count + } + return total } -// NewTopN returns a new TopN with n slots. +// NewTopN creates the new TopN struct by the given size. func NewTopN(n int) *TopN { - return &TopN{topN: make(map[uint64][]*TopNMeta, n)} + return &TopN{TopN: make([]TopNMeta, 0, n)} } diff --git a/statistics/cmsketch_test.go b/statistics/cmsketch_test.go index 186b7d92ca1a4..38fe81c79c60f 100644 --- a/statistics/cmsketch_test.go +++ b/statistics/cmsketch_test.go @@ -26,7 +26,6 @@ import ( "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/codec" - "github.com/twmb/murmur3" ) func (c *CMSketch) insert(val *types.Datum) error { @@ -196,7 +195,7 @@ func (s *testStatisticsSuite) TestCMSketchTopN(c *C) { for _, t := range tests { lSketch, topN, lMap, err := buildCMSketchTopNAndMap(d, w, 20, 1000, 0, total, imax, t.zipfFactor) c.Check(err, IsNil) - c.Assert(len(topN.TopN()), LessEqual, 40) + c.Assert(len(topN.TopN), LessEqual, 40) avg, err := averageAbsoluteError(lSketch, topN, lMap) c.Assert(err, IsNil) c.Check(avg, LessEqual, t.avgError) @@ -271,7 +270,7 @@ func (s *testStatisticsSuite) TestCMSketchTopNUniqueData(c *C) { c.Assert(err, IsNil) c.Check(cms.defaultValue, Equals, uint64(1)) c.Check(avg, Equals, uint64(0)) - c.Check(len(topN.TopN()), Equals, 0) + c.Check(topN, IsNil) } func (s *testStatisticsSuite) TestCMSketchCodingTopN(c *C) { @@ -282,15 +281,14 @@ func (s *testStatisticsSuite) TestCMSketchCodingTopN(c *C) { lSketch.table[i][j] = math.MaxUint32 } } - topN := make(map[uint64][]*TopNMeta) + topN := make([]TopNMeta, 20) unsignedLong := types.NewFieldType(mysql.TypeLonglong) unsignedLong.Flag |= mysql.UnsignedFlag chk := chunk.New([]*types.FieldType{types.NewFieldType(mysql.TypeBlob), unsignedLong}, 20, 20) var rows []chunk.Row for i := 0; i < 20; i++ { tString := []byte(fmt.Sprintf("%20000d", i)) - h1, h2 := murmur3.Sum128(tString) - topN[h1] = []*TopNMeta{{h2, tString, math.MaxUint64}} + topN[i] = TopNMeta{tString, math.MaxUint64} chk.AppendBytes(0, tString) chk.AppendUint64(1, math.MaxUint64) rows = append(rows, chk.GetRow(i)) diff --git a/statistics/feedback.go b/statistics/feedback.go index 55b7044d6027b..3526561a66f70 100644 --- a/statistics/feedback.go +++ b/statistics/feedback.go @@ -740,8 +740,8 @@ func UpdateHistogram(h *Histogram, feedback *QueryFeedback) *Histogram { return hist } -// UpdateCMSketch updates the CMSketch by feedback. -func UpdateCMSketch(c *CMSketch, t *TopN, eqFeedbacks []Feedback) (*CMSketch, *TopN) { +// UpdateCMSketchAndTopN updates the CMSketch and TopN by feedback. +func UpdateCMSketchAndTopN(c *CMSketch, t *TopN, eqFeedbacks []Feedback) (*CMSketch, *TopN) { if c == nil || len(eqFeedbacks) == 0 { return c, t } diff --git a/statistics/handle/bootstrap.go b/statistics/handle/bootstrap.go index ab8635289b641..b264a49a1e029 100644 --- a/statistics/handle/bootstrap.go +++ b/statistics/handle/bootstrap.go @@ -238,6 +238,7 @@ func (h *Handle) initCMSketch4Indices(is infoschema.InfoSchema, tables map[int64 } func (h *Handle) initStatsTopN4Chunk(tables map[int64]*statistics.Table, iter *chunk.Iterator4Chunk) { + affectedIndexes := make(map[int64]*statistics.Index) for row := iter.Begin(); row != iter.End(); row = iter.Next() { table, ok := tables[row.GetInt64(0)] if !ok { @@ -251,10 +252,14 @@ func (h *Handle) initStatsTopN4Chunk(tables map[int64]*statistics.Table, iter *c if idx.TopN == nil { idx.TopN = statistics.NewTopN(32) } + affectedIndexes[row.GetInt64(1)] = idx data := make([]byte, len(row.GetBytes(2))) copy(data, row.GetBytes(2)) idx.TopN.AppendTopN(data, row.GetUint64(3)) } + for _, idx := range affectedIndexes { + idx.TopN.Sort() + } } func (h *Handle) initStatsTopN(tables map[int64]*statistics.Table) error { diff --git a/statistics/handle/handle.go b/statistics/handle/handle.go index 84969b3cc0238..7563a4bc37996 100644 --- a/statistics/handle/handle.go +++ b/statistics/handle/handle.go @@ -675,8 +675,10 @@ func (h *Handle) SaveStatsToStorage(tableID int64, count int64, isIndex int, hg } // Delete outdated data sqls = append(sqls, fmt.Sprintf("delete from mysql.stats_top_n where table_id = %d and is_index = %d and hist_id = %d", tableID, isIndex, hg.ID)) - for _, meta := range topN.TopN() { - sqls = append(sqls, fmt.Sprintf("insert into mysql.stats_top_n (table_id, is_index, hist_id, value, count) values (%d, %d, %d, X'%X', %d)", tableID, isIndex, hg.ID, meta.Data, meta.Count)) + if topN != nil { + for _, meta := range topN.TopN { + sqls = append(sqls, fmt.Sprintf("insert into mysql.stats_top_n (table_id, is_index, hist_id, value, count) values (%d, %d, %d, X'%X', %d)", tableID, isIndex, hg.ID, meta.Encoded, meta.Count)) + } } flag := 0 if isAnalyzed == 1 { diff --git a/statistics/handle/update.go b/statistics/handle/update.go index 8ee529dd12050..0e351a743f53f 100644 --- a/statistics/handle/update.go +++ b/statistics/handle/update.go @@ -557,7 +557,7 @@ func (h *Handle) UpdateStatsByLocalFeedback(is infoschema.InfoSchema) { } newIdx := *idx eqFB, ranFB := statistics.SplitFeedbackByQueryType(fb.Feedback) - newIdx.CMSketch, newIdx.TopN = statistics.UpdateCMSketch(idx.CMSketch, idx.TopN, eqFB) + newIdx.CMSketch, newIdx.TopN = statistics.UpdateCMSketchAndTopN(idx.CMSketch, idx.TopN, eqFB) newIdx.Histogram = *statistics.UpdateHistogram(&idx.Histogram, &statistics.QueryFeedback{Feedback: ranFB}) newIdx.Histogram.PreCalculateScalar() newIdx.Flag = statistics.ResetAnalyzeFlag(newIdx.Flag) diff --git a/statistics/histogram.go b/statistics/histogram.go index 4da11c246824c..4010229e5ea40 100644 --- a/statistics/histogram.go +++ b/statistics/histogram.go @@ -959,7 +959,7 @@ func (idx *Index) equalRowCount(sc *stmtctx.StatementContext, b []byte, modifyCo // QueryBytes is used to query the count of specified bytes. func (idx *Index) QueryBytes(d []byte) uint64 { h1, h2 := murmur3.Sum128(d) - if count, ok := idx.TopN.QueryTopN(h1, h2, d); ok { + if count, ok := idx.TopN.QueryTopN(d); ok { return count } return idx.queryHashValue(h1, h2) @@ -1268,12 +1268,13 @@ func (hg *Histogram) ExtractTopN(cms *CMSketch, topN *TopN, numCols int, numTopN if len(dataCnts) > int(numTopN) { dataCnts = dataCnts[:numTopN] } - topN.topN = make(map[uint64][]*TopNMeta, len(dataCnts)) + topN.TopN = make([]TopNMeta, 0, len(dataCnts)) for _, dataCnt := range dataCnts { h1, h2 := murmur3.Sum128(dataCnt.data) realCnt := cms.queryHashValue(h1, h2) cms.subValue(h1, h2, realCnt) - topN.topN[h1] = append(topN.topN[h1], &TopNMeta{h2, dataCnt.data, realCnt}) + topN.AppendTopN(dataCnt.data, realCnt) } + topN.Sort() return nil } diff --git a/statistics/sample.go b/statistics/sample.go index add571e4bbead..17527c1bb816b 100644 --- a/statistics/sample.go +++ b/statistics/sample.go @@ -320,7 +320,8 @@ func (c *SampleCollector) ExtractTopN(numTop uint32, sc *stmtctx.StatementContex return err } cms.subValue(h1, h2, realCnt) - c.TopN.topN[h1] = append(c.TopN.topN[h1], &TopNMeta{h2, data, realCnt}) + c.TopN.AppendTopN(data, realCnt) } + c.TopN.Sort() return nil } From bacd3485606ed174a091d498032cf81389cf9ad3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=AC=A7=E5=86=B0?= <32380374+ou-bing@users.noreply.github.com> Date: Fri, 6 Nov 2020 16:24:40 +0800 Subject: [PATCH 0161/1021] executor: modify the error message of insert time value (#20847) --- executor/insert_common.go | 17 ++++++++++++++--- executor/write_test.go | 4 ++-- 2 files changed, 16 insertions(+), 5 deletions(-) diff --git a/executor/insert_common.go b/executor/insert_common.go index 60504a90a7c3f..d742beefd17c4 100644 --- a/executor/insert_common.go +++ b/executor/insert_common.go @@ -27,6 +27,7 @@ import ( "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/ddl" + "github.com/pingcap/tidb/errno" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/meta/autoid" @@ -35,10 +36,9 @@ import ( "github.com/pingcap/tidb/table/tables" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/execdetails" - "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/memory" - "go.uber.org/zap" ) // InsertValues is the data to insert. @@ -291,10 +291,21 @@ func (e *InsertValues) handleErr(col *table.Column, val *types.Datum, rowIdx int err = types.ErrWarnDataOutOfRange.GenWithStackByArgs(colName, rowIdx+1) } else if types.ErrTruncated.Equal(err) { err = types.ErrTruncated.GenWithStackByArgs(colName, rowIdx+1) + } else if types.ErrTruncatedWrongVal.Equal(err) && (colTp == mysql.TypeDuration || colTp == mysql.TypeDatetime || colTp == mysql.TypeDate || colTp == mysql.TypeTimestamp) { + valStr, err1 := val.ToString() + if err1 != nil { + // do nothing + } + err = dbterror.ClassTable.NewStdErr( + errno.ErrTruncatedWrongValue, + mysql.Message("Incorrect %-.32s value: '%-.128s' for column '%.192s' at row %d", nil), + "", + "", + ).GenWithStackByArgs(types.TypeStr(colTp), valStr, colName, rowIdx+1) } else if types.ErrTruncatedWrongVal.Equal(err) || types.ErrWrongValue.Equal(err) { valStr, err1 := val.ToString() if err1 != nil { - logutil.BgLogger().Warn("truncate value failed", zap.Error(err1)) + // do nothing } err = table.ErrTruncatedWrongValueForField.GenWithStackByArgs(types.TypeStr(colTp), valStr, colName, rowIdx+1) } diff --git a/executor/write_test.go b/executor/write_test.go index 603f8f70b053a..e240925d3b5b2 100644 --- a/executor/write_test.go +++ b/executor/write_test.go @@ -263,7 +263,7 @@ func (s *testSuite) TestInsert(c *C) { r.Check(testkit.Rows("0", "0", "18446744073709551615", "0", "0")) tk.MustExec("set @@sql_mode = @orig_sql_mode;") - // issue 6424 + // issue 6424 & issue 20207 tk.MustExec("drop table if exists t") tk.MustExec("create table t(a time(6))") tk.MustExec("insert into t value('20070219173709.055870'), ('20070219173709.055'), ('20070219173709.055870123')") @@ -272,7 +272,7 @@ func (s *testSuite) TestInsert(c *C) { tk.MustExec("insert into t value(20070219173709.055870), (20070219173709.055), (20070219173709.055870123)") tk.MustQuery("select * from t").Check(testkit.Rows("17:37:09.055870", "17:37:09.055000", "17:37:09.055870")) _, err = tk.Exec("insert into t value(-20070219173709.055870)") - c.Assert(err.Error(), Equals, "[table:1366]Incorrect time value: '-20070219173709.055870' for column 'a' at row 1") + c.Assert(err.Error(), Equals, "[table:1292]Incorrect time value: '-20070219173709.055870' for column 'a' at row 1") tk.MustExec("drop table if exists t") tk.MustExec("set @@sql_mode=''") From cc0bef82b72b6ce6b3138e76f55db5f5eb5a5d7d Mon Sep 17 00:00:00 2001 From: dy <34701401+dyzsr@users.noreply.github.com> Date: Fri, 6 Nov 2020 17:14:54 +0800 Subject: [PATCH 0162/1021] util, types: fix overflow & adjustment for the year type in index ranger (#20338) --- executor/write_test.go | 2 +- types/convert_test.go | 14 ++-- types/datum.go | 44 +++++++++++ types/time.go | 20 ++++- util/ranger/points.go | 27 ++++++- util/ranger/ranger.go | 6 +- util/ranger/ranger_test.go | 151 +++++++++++++++++++++++++++++++++++++ 7 files changed, 250 insertions(+), 14 deletions(-) diff --git a/executor/write_test.go b/executor/write_test.go index e240925d3b5b2..fdf8510065ee7 100644 --- a/executor/write_test.go +++ b/executor/write_test.go @@ -1481,7 +1481,7 @@ func (s *testSuite8) TestUpdate(c *C) { tk.MustExec("drop table t") tk.MustExec("CREATE TABLE `t` ( `c1` year DEFAULT NULL, `c2` year DEFAULT NULL, `c3` date DEFAULT NULL, `c4` datetime DEFAULT NULL, KEY `idx` (`c1`,`c2`))") _, err = tk.Exec("UPDATE t SET c2=16777215 WHERE c1>= -8388608 AND c1 < -9 ORDER BY c1 LIMIT 2") - c.Assert(err.Error(), Equals, "[types:1690]DECIMAL value is out of range in '(4, 0)'") + c.Assert(err, IsNil) tk.MustExec("update (select * from t) t set c1 = 1111111") diff --git a/types/convert_test.go b/types/convert_test.go index cc168cd8c365f..4a0d18a8e22ff 100644 --- a/types/convert_test.go +++ b/types/convert_test.go @@ -673,20 +673,20 @@ func (s *testTypeConvertSuite) TestConvert(c *C) { signedAccept(c, mysql.TypeDouble, "1e+1", "10") // year - signedDeny(c, mysql.TypeYear, 123, "0") - signedDeny(c, mysql.TypeYear, 3000, "0") + signedDeny(c, mysql.TypeYear, 123, "1901") + signedDeny(c, mysql.TypeYear, 3000, "2155") signedAccept(c, mysql.TypeYear, "2000", "2000") signedAccept(c, mysql.TypeYear, "abc", "0") signedAccept(c, mysql.TypeYear, "00abc", "2000") signedAccept(c, mysql.TypeYear, "0019", "2019") signedAccept(c, mysql.TypeYear, 2155, "2155") signedAccept(c, mysql.TypeYear, 2155.123, "2155") - signedDeny(c, mysql.TypeYear, 2156, "0") - signedDeny(c, mysql.TypeYear, 123.123, "0") - signedDeny(c, mysql.TypeYear, 1900, "0") + signedDeny(c, mysql.TypeYear, 2156, "2155") + signedDeny(c, mysql.TypeYear, 123.123, "1901") + signedDeny(c, mysql.TypeYear, 1900, "1901") signedAccept(c, mysql.TypeYear, 1901, "1901") signedAccept(c, mysql.TypeYear, 1900.567, "1901") - signedDeny(c, mysql.TypeYear, 1900.456, "0") + signedDeny(c, mysql.TypeYear, 1900.456, "1901") signedAccept(c, mysql.TypeYear, 0, "0") signedAccept(c, mysql.TypeYear, "0", "2000") signedAccept(c, mysql.TypeYear, "00", "2000") @@ -707,7 +707,7 @@ func (s *testTypeConvertSuite) TestConvert(c *C) { signedAccept(c, mysql.TypeYear, "70", "1970") signedAccept(c, mysql.TypeYear, 99, "1999") signedAccept(c, mysql.TypeYear, "99", "1999") - signedDeny(c, mysql.TypeYear, 100, "0") + signedDeny(c, mysql.TypeYear, 100, "1901") signedDeny(c, mysql.TypeYear, "99999999999999999999999999999999999", "0") // time from string diff --git a/types/datum.go b/types/datum.go index 81aaae14744c3..d9d89fd2034c1 100644 --- a/types/datum.go +++ b/types/datum.go @@ -1364,6 +1364,50 @@ func (d *Datum) convertToMysqlYear(sc *stmtctx.StatementContext, target *FieldTy return ret, err } +// ConvertDatumToFloatYear converts datum into MySQL year with float type +func ConvertDatumToFloatYear(sc *stmtctx.StatementContext, d Datum) (Datum, error) { + return d.convertToMysqlFloatYear(sc, types.NewFieldType(mysql.TypeYear)) +} + +func (d *Datum) convertToMysqlFloatYear(sc *stmtctx.StatementContext, target *FieldType) (Datum, error) { + var ( + ret Datum + y float64 + err error + adjust bool + ) + switch d.k { + case KindString, KindBytes: + s := d.GetString() + trimS := strings.TrimSpace(s) + y, err = StrToFloat(sc, trimS, false) + if err != nil { + ret.SetFloat64(0) + return ret, errors.Trace(err) + } + // condition: + // parsed to 0, not a string of length 4, the first valid char is a 0 digit + if len(s) != 4 && y == 0 && strings.HasPrefix(trimS, "0") { + adjust = true + } + case KindMysqlTime: + y = float64(d.GetMysqlTime().Year()) + case KindMysqlDuration: + y = float64(time.Now().Year()) + default: + ret, err = d.convertToFloat(sc, NewFieldType(mysql.TypeDouble)) + if err != nil { + _, err = invalidConv(d, target.Tp) + ret.SetFloat64(0) + return ret, err + } + y = ret.GetFloat64() + } + y = adjustYearForFloat(y, adjust) + ret.SetFloat64(y) + return ret, err +} + func (d *Datum) convertToMysqlBit(sc *stmtctx.StatementContext, target *FieldType) (Datum, error) { var ret Datum var uintValue uint64 diff --git a/types/time.go b/types/time.go index 0b8312386d446..90bfe7aa82985 100644 --- a/types/time.go +++ b/types/time.go @@ -1229,13 +1229,31 @@ func AdjustYear(y int64, shouldAdjust bool) (int64, error) { return y, nil } y = int64(adjustYear(int(y))) - if y < int64(MinYear) || y > int64(MaxYear) { + if y < 0 { return 0, errors.Trace(ErrInvalidYear) } + if y < int64(MinYear) { + return int64(MinYear), errors.Trace(ErrInvalidYear) + } + if y > int64(MaxYear) { + return int64(MaxYear), errors.Trace(ErrInvalidYear) + } return y, nil } +func adjustYearForFloat(y float64, shouldAdjust bool) float64 { + if y == 0 && !shouldAdjust { + return y + } + if y >= 0 && y <= 69 { + y = 2000 + y + } else if y >= 70 && y <= 99 { + y = 1900 + y + } + return y +} + // NewDuration construct duration with time. func NewDuration(hour, minute, second, microsecond int, fsp int8) Duration { return Duration{ diff --git a/util/ranger/points.go b/util/ranger/points.go index 166aa5cc1f552..2b1f4d80050c7 100644 --- a/util/ranger/points.go +++ b/util/ranger/points.go @@ -210,11 +210,17 @@ func (r *builder) buildFormBinOp(expr *expression.ScalarFunction) []point { ft *types.FieldType ) - // refineValue refines the constant datum for string type since we may eval the constant to another collation instead of its own collation. - refineValue := func(col *expression.Column, value *types.Datum) { + // refineValue refines the constant datum: + // 1. for string type since we may eval the constant to another collation instead of its own collation. + // 2. for year type since 2-digit year value need adjustment, see https://dev.mysql.com/doc/refman/5.6/en/year.html + refineValue := func(col *expression.Column, value *types.Datum) (err error) { if col.RetType.EvalType() == types.ETString && value.Kind() == types.KindString { value.SetString(value.GetString(), col.RetType.Collate) } + if col.GetType().Tp == mysql.TypeYear { + *value, err = types.ConvertDatumToFloatYear(r.sc, *value) + } + return } if col, ok := expr.GetArgs()[0].(*expression.Column); ok { ft = col.RetType @@ -222,7 +228,10 @@ func (r *builder) buildFormBinOp(expr *expression.ScalarFunction) []point { if err != nil { return nil } - refineValue(col, &value) + err = refineValue(col, &value) + if err != nil { + return nil + } op = expr.FuncName.L } else { col, ok := expr.GetArgs()[1].(*expression.Column) @@ -234,7 +243,10 @@ func (r *builder) buildFormBinOp(expr *expression.ScalarFunction) []point { if err != nil { return nil } - refineValue(col, &value) + err = refineValue(col, &value) + if err != nil { + return nil + } switch expr.FuncName.L { case ast.GE: @@ -388,6 +400,13 @@ func (r *builder) buildFromIn(expr *expression.ScalarFunction) ([]point, bool) { if dt.Kind() == types.KindString { dt.SetString(dt.GetString(), colCollate) } + if expr.GetArgs()[0].GetType().Tp == mysql.TypeYear { + dt, err = types.ConvertDatumToFloatYear(r.sc, dt) + if err != nil { + r.err = ErrUnsupportedType.GenWithStack("expr:%v is not converted to year", e) + return fullRange, hasNull + } + } var startValue, endValue types.Datum dt.Copy(&startValue) dt.Copy(&endValue) diff --git a/util/ranger/ranger.go b/util/ranger/ranger.go index 4dac8f8a8e46e..1ffbc3c222a7a 100644 --- a/util/ranger/ranger.go +++ b/util/ranger/ranger.go @@ -23,6 +23,7 @@ import ( "github.com/pingcap/parser/ast" "github.com/pingcap/parser/charset" "github.com/pingcap/parser/mysql" + "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx" @@ -92,7 +93,10 @@ func convertPoint(sc *stmtctx.StatementContext, point point, tp *types.FieldType } casted, err := point.value.ConvertTo(sc, tp) if err != nil { - return point, errors.Trace(err) + // see issue #20101: overflow when converting integer to year + if tp.Tp != mysql.TypeYear || !terror.ErrorEqual(err, types.ErrOverflow) { + return point, errors.Trace(err) + } } valCmpCasted, err := point.value.CompareDatum(sc, &casted) if err != nil { diff --git a/util/ranger/ranger_test.go b/util/ranger/ranger_test.go index 9f6544201abfd..3e9d7b8542210 100644 --- a/util/ranger/ranger_test.go +++ b/util/ranger/ranger_test.go @@ -1308,3 +1308,154 @@ func (s *testRangerSuite) TestCompIndexMultiColDNF2(c *C) { testKit.MustQuery(tt).Check(testkit.Rows(output[i].Result...)) } } + +func (s *testRangerSuite) TestIndexRangeForYear(c *C) { + defer testleak.AfterTest(c)() + dom, store, err := newDomainStoreWithBootstrap(c) + defer func() { + dom.Close() + store.Close() + }() + c.Assert(err, IsNil) + testKit := testkit.NewTestKit(c, store) + + // for issue #20101: overflow when converting integer to year + testKit.MustExec("use test") + testKit.MustExec("DROP TABLE IF EXISTS `table_30_utf8_undef`") + testKit.MustExec("CREATE TABLE `table_30_utf8_undef` (\n `pk` int(11) NOT NULL\n) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin") + testKit.MustExec("INSERT INTO `table_30_utf8_undef` VALUES (29)") + + testKit.MustExec("DROP TABLE IF EXISTS `table_40_utf8_4`") + testKit.MustExec("CREATE TABLE `table_40_utf8_4`(\n `pk` int(11) NOT NULL,\n `col_int_key_unsigned` int(10) unsigned DEFAULT NULL,\n `col_year_key_signed` year(4) DEFAULT NULL,\n" + + "PRIMARY KEY (`pk`),\n KEY `col_int_key_unsigned` (`col_int_key_unsigned`),\n KEY `col_year_key_signed` (`col_year_key_signed`)\n) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin") + + testKit.MustExec("INSERT INTO `table_40_utf8_4` VALUES (36, 10 ,1)") + + testKit.MustQuery("SELECT sum(tmp.val) AS val FROM (" + + "SELECT count(1) AS val FROM table_40_utf8_4 JOIN table_30_utf8_undef\n" + + "WHERE table_40_utf8_4.col_year_key_signed!=table_40_utf8_4.col_int_key_unsigned\n" + + "AND table_40_utf8_4.col_int_key_unsigned=\"15698\") AS tmp"). + Check(testkit.Rows("0")) + + // test index range + testKit.MustExec("DROP TABLE IF EXISTS t") + testKit.MustExec("CREATE TABLE t (a year(4), key(a))") + testKit.MustExec("INSERT INTO t VALUES (1), (70), (99), (0), ('0')") + testKit.MustQuery("SELECT * FROM t WHERE a < 15698").Check(testkit.Rows("0", "1970", "1999", "2000", "2001")) + testKit.MustQuery("SELECT * FROM t WHERE a <= 0").Check(testkit.Rows("0")) + testKit.MustQuery("SELECT * FROM t WHERE a < 2000").Check(testkit.Rows("0", "1970", "1999")) + testKit.MustQuery("SELECT * FROM t WHERE a > -1").Check(testkit.Rows("0", "1970", "1999", "2000", "2001")) + + tests := []struct { + indexPos int + exprStr string + accessConds string + filterConds string + resultStr string + }{ + { + indexPos: 0, + exprStr: `a not in (0, 1, 2)`, + accessConds: "[not(in(test.t.a, 0, 1, 2))]", + filterConds: "[]", + resultStr: `[(NULL,0) (0,2001) (2002,+inf]]`, + }, + { + indexPos: 0, + exprStr: `a not in (-1, 1, 2)`, + accessConds: "[not(in(test.t.a, -1, 1, 2))]", + filterConds: "[]", + resultStr: `[(NULL,0) [0,2001) (2002,+inf]]`, + }, + { + indexPos: 0, + exprStr: `a not in (1, 2, 70)`, + accessConds: "[not(in(test.t.a, 1, 2, 70))]", + filterConds: "[]", + resultStr: `[(NULL,1970) (1970,2001) (2002,+inf]]`, + }, + { + indexPos: 0, + exprStr: `a not in (99)`, + accessConds: "[ne(test.t.a, 99)]", + filterConds: "[]", + resultStr: `[[-inf,1999) (1999,+inf]]`, + }, + { + indexPos: 0, + exprStr: `a not in (1, 2, 15698)`, + accessConds: "[not(in(test.t.a, 1, 2, 15698))]", + filterConds: "[]", + resultStr: `[(NULL,2001) (2002,2155] (2155,+inf]]`, + }, + { + indexPos: 0, + exprStr: `a >= -1000`, + accessConds: "[ge(test.t.a, -1000)]", + filterConds: "[]", + resultStr: `[[0,+inf]]`, + }, + { + indexPos: 0, + exprStr: `a > -1000`, + accessConds: "[gt(test.t.a, -1000)]", + filterConds: "[]", + resultStr: `[[0,+inf]]`, + }, + { + indexPos: 0, + exprStr: `a != 1`, + accessConds: "[ne(test.t.a, 1)]", + filterConds: "[]", + resultStr: `[[-inf,2001) (2001,+inf]]`, + }, + { + indexPos: 0, + exprStr: `a != 2156`, + accessConds: "[ne(test.t.a, 2156)]", + filterConds: "[]", + resultStr: `[[-inf,2155] (2155,+inf]]`, + }, + { + exprStr: "a < 99 or a > 01", + accessConds: "[or(lt(test.t.a, 99), gt(test.t.a, 1))]", + filterConds: "[]", + resultStr: "[[-inf,1999) (2001,+inf]]", + }, + { + exprStr: "a >= 70 and a <= 69", + accessConds: "[ge(test.t.a, 70) le(test.t.a, 69)]", + filterConds: "[]", + resultStr: "[[1970,2069]]", + }, + } + + ctx := context.Background() + for _, tt := range tests { + sql := "select * from t where " + tt.exprStr + sctx := testKit.Se.(sessionctx.Context) + stmts, err := session.Parse(sctx, sql) + c.Assert(err, IsNil, Commentf("error %v, for expr %s", err, tt.exprStr)) + c.Assert(stmts, HasLen, 1) + is := domain.GetDomain(sctx).InfoSchema() + err = plannercore.Preprocess(sctx, stmts[0], is) + c.Assert(err, IsNil, Commentf("error %v, for resolve name, expr %s", err, tt.exprStr)) + p, _, err := plannercore.BuildLogicalPlan(ctx, sctx, stmts[0], is) + c.Assert(err, IsNil, Commentf("error %v, for build plan, expr %s", err, tt.exprStr)) + selection := p.(plannercore.LogicalPlan).Children()[0].(*plannercore.LogicalSelection) + tbl := selection.Children()[0].(*plannercore.DataSource).TableInfo() + c.Assert(selection, NotNil, Commentf("expr:%v", tt.exprStr)) + conds := make([]expression.Expression, len(selection.Conditions)) + for i, cond := range selection.Conditions { + conds[i] = expression.PushDownNot(sctx, cond) + } + cols, lengths := expression.IndexInfo2PrefixCols(tbl.Columns, selection.Schema().Columns, tbl.Indices[tt.indexPos]) + c.Assert(cols, NotNil) + res, err := ranger.DetachCondAndBuildRangeForIndex(sctx, conds, cols, lengths) + c.Assert(err, IsNil) + c.Assert(fmt.Sprintf("%s", res.AccessConds), Equals, tt.accessConds, Commentf("wrong access conditions for expr: %s", tt.exprStr)) + c.Assert(fmt.Sprintf("%s", res.RemainedConds), Equals, tt.filterConds, Commentf("wrong filter conditions for expr: %s", tt.exprStr)) + got := fmt.Sprintf("%v", res.Ranges) + c.Assert(got, Equals, tt.resultStr, Commentf("different for expr %s", tt.exprStr)) + } +} From 1e17c6925a939af4224bcf4e13fbb405d6999de0 Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Mon, 9 Nov 2020 10:50:07 +0800 Subject: [PATCH 0163/1021] util: redact log for expensive sqls (#20852) --- session/session.go | 1 + util/expensivequery/expensivequerey_test.go | 5 +++++ util/expensivequery/expensivequery.go | 4 ++++ util/processinfo.go | 1 + 4 files changed, 11 insertions(+) diff --git a/session/session.go b/session/session.go index b8a663a321b1c..7a45e5a8173ce 100644 --- a/session/session.go +++ b/session/session.go @@ -1106,6 +1106,7 @@ func (s *session) SetProcessInfo(sql string, t time.Time, command byte, maxExecu StmtCtx: s.sessionVars.StmtCtx, StatsInfo: plannercore.GetStatsInfo, MaxExecutionTime: maxExecutionTime, + RedactSQL: s.sessionVars.EnableRedactLog, } _, pi.Digest = s.sessionVars.StmtCtx.SQLDigest() s.currentPlan = nil diff --git a/util/expensivequery/expensivequerey_test.go b/util/expensivequery/expensivequerey_test.go index 066db5873ab1a..0d38a0f2282e8 100644 --- a/util/expensivequery/expensivequerey_test.go +++ b/util/expensivequery/expensivequerey_test.go @@ -53,6 +53,7 @@ func (s *testSuite) TestLogFormat(c *C) { StmtCtx: &stmtctx.StatementContext{ MemTracker: mem, }, + RedactSQL: false, } costTime := time.Second * 233 logFields := genLogFields(costTime, info) @@ -71,4 +72,8 @@ func (s *testSuite) TestLogFormat(c *C) { c.Assert(logFields[5].String, Equals, "2013265920 Bytes (1.875 GB)") c.Assert(logFields[6].Key, Equals, "sql") c.Assert(logFields[6].String, Equals, "select * from table where a > 1") + + info.RedactSQL = true + logFields = genLogFields(costTime, info) + c.Assert(logFields[6].String, Equals, "select * from table where a > ?") } diff --git a/util/expensivequery/expensivequery.go b/util/expensivequery/expensivequery.go index c77a3f99ddc86..8022cb564033a 100644 --- a/util/expensivequery/expensivequery.go +++ b/util/expensivequery/expensivequery.go @@ -21,6 +21,7 @@ import ( "time" "github.com/pingcap/log" + "github.com/pingcap/parser" "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/logutil" @@ -159,6 +160,9 @@ func genLogFields(costTime time.Duration, info *util.ProcessInfo) []zap.Field { var sql string if len(info.Info) > 0 { sql = info.Info + if info.RedactSQL { + sql = parser.Normalize(sql) + } } if len(sql) > logSQLLen { sql = fmt.Sprintf("%s len(%d)", sql[:logSQLLen], len(sql)) diff --git a/util/processinfo.go b/util/processinfo.go index 0e589fdc556b8..71ffc8d689732 100644 --- a/util/processinfo.go +++ b/util/processinfo.go @@ -49,6 +49,7 @@ type ProcessInfo struct { State uint16 Command byte ExceedExpensiveTimeThresh bool + RedactSQL bool } // ToRowForShow returns []interface{} for the row data of "SHOW [FULL] PROCESSLIST". From 3e306aeae0c5de9d288de30897f6839ff9f4d61a Mon Sep 17 00:00:00 2001 From: lysu Date: Mon, 9 Nov 2020 11:42:32 +0800 Subject: [PATCH 0164/1021] planner: don't push down topN above outer join when topN refer scalar subquery expression (#20099) --- planner/core/rule_topn_push_down.go | 2 +- .../core/testdata/integration_suite_in.json | 4 ++- .../core/testdata/integration_suite_out.json | 29 +++++++++++++++++++ .../testdata/plan_suite_unexported_in.json | 2 ++ .../testdata/plan_suite_unexported_out.json | 1 + 5 files changed, 36 insertions(+), 2 deletions(-) diff --git a/planner/core/rule_topn_push_down.go b/planner/core/rule_topn_push_down.go index d96c124ddc3eb..755c7712e5b40 100644 --- a/planner/core/rule_topn_push_down.go +++ b/planner/core/rule_topn_push_down.go @@ -147,7 +147,7 @@ func (p *LogicalJoin) pushDownTopNToChild(topN *LogicalTopN, idx int) LogicalPla for _, by := range topN.ByItems { cols := expression.ExtractColumns(by.Expr) for _, col := range cols { - if p.children[1-idx].Schema().Contains(col) { + if !p.children[idx].Schema().Contains(col) { return p.children[idx].pushDownTopN(nil) } } diff --git a/planner/core/testdata/integration_suite_in.json b/planner/core/testdata/integration_suite_in.json index 2417855ee0660..526554fbba174 100644 --- a/planner/core/testdata/integration_suite_in.json +++ b/planner/core/testdata/integration_suite_in.json @@ -74,7 +74,9 @@ { "name": "TestSubqueryWithTopN", "cases": [ - "desc select t1.b from t t1 where t1.b in (select t2.a from t t2 order by t1.a+t2.a limit 1)" + "desc select t1.b from t t1 where t1.b in (select t2.a from t t2 order by t1.a+t2.a limit 1)", + "desc select t1.a from t t1 order by (t1.b = 1 and exists (select 1 from t t2 where t1.b = t2.b)) limit 1", + "desc select * from (select b+b as x from t) t1, t t2 where t1.x=t2.b order by t1.x limit 1" ] }, { diff --git a/planner/core/testdata/integration_suite_out.json b/planner/core/testdata/integration_suite_out.json index 245f8f991f385..eb410a8c9d580 100644 --- a/planner/core/testdata/integration_suite_out.json +++ b/planner/core/testdata/integration_suite_out.json @@ -310,6 +310,35 @@ " └─TopN_22 1.00 cop[tikv] plus(test.t.a, test.t.a), offset:0, count:1", " └─TableFullScan_21 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" ] + }, + { + "SQL": "desc select t1.a from t t1 order by (t1.b = 1 and exists (select 1 from t t2 where t1.b = t2.b)) limit 1", + "Plan": [ + "Projection_11 1.00 root test.t.a", + "└─Projection_20 1.00 root test.t.a, test.t.b, Column#8", + " └─TopN_14 1.00 root Column#10, offset:0, count:1", + " └─Projection_21 10000.00 root test.t.a, test.t.b, Column#8, and(eq(test.t.b, 1), Column#8)->Column#10", + " └─HashJoin_15 10000.00 root left outer semi join, equal:[eq(test.t.b, test.t.b)]", + " ├─TableReader_19(Build) 10000.00 root data:TableFullScan_18", + " │ └─TableFullScan_18 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_17(Probe) 10000.00 root data:TableFullScan_16", + " └─TableFullScan_16 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "desc select * from (select b+b as x from t) t1, t t2 where t1.x=t2.b order by t1.x limit 1", + "Plan": [ + "Projection_11 1.00 root Column#4, test.t.a, test.t.b", + "└─TopN_14 1.00 root Column#4, offset:0, count:1", + " └─HashJoin_18 10000.00 root inner join, equal:[eq(test.t.b, Column#4)]", + " ├─Projection_23(Build) 8000.00 root plus(test.t.b, test.t.b)->Column#4", + " │ └─TableReader_26 8000.00 root data:Selection_25", + " │ └─Selection_25 8000.00 cop[tikv] not(isnull(plus(test.t.b, test.t.b)))", + " │ └─TableFullScan_24 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", + " └─TableReader_22(Probe) 9990.00 root data:Selection_21", + " └─Selection_21 9990.00 cop[tikv] not(isnull(test.t.b))", + " └─TableFullScan_20 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ] } ] }, diff --git a/planner/core/testdata/plan_suite_unexported_in.json b/planner/core/testdata/plan_suite_unexported_in.json index 2f0f2ca3f9d9d..e473ca1c3daa6 100644 --- a/planner/core/testdata/plan_suite_unexported_in.json +++ b/planner/core/testdata/plan_suite_unexported_in.json @@ -163,6 +163,8 @@ "select (select s.a from t s where t.a = s.a) from t order by t.a limit 5", // Test TopN + Left Semi Join Apply + Proj. "select exists (select s.a from t s where t.a = s.a) from t order by t.a limit 5", + // Test TopN + Left Semi Outer Join + Proj. + "select (exists (select s.a from t s where t.a = s.a)) as x from t order by x limit 5", // Test TopN + Semi Join Apply + Proj. "select * from t where exists (select s.a from t s where t.a = s.a) order by t.a limit 5", // Test TopN + Right Join + Proj. diff --git a/planner/core/testdata/plan_suite_unexported_out.json b/planner/core/testdata/plan_suite_unexported_out.json index 71fa317c0ad96..4e15b35aa74e8 100644 --- a/planner/core/testdata/plan_suite_unexported_out.json +++ b/planner/core/testdata/plan_suite_unexported_out.json @@ -136,6 +136,7 @@ "Join{DataScan(t)->Limit->DataScan(s)}(test.t.a,test.t.a)->Limit->Projection", "Join{DataScan(t)->TopN([test.t.a],0,5)->DataScan(s)}(test.t.a,test.t.a)->TopN([test.t.a],0,5)->Projection", "Join{DataScan(t)->TopN([test.t.a],0,5)->DataScan(s)}(test.t.a,test.t.a)->TopN([test.t.a],0,5)->Projection", + "Join{DataScan(t)->DataScan(s)}(test.t.a,test.t.a)->TopN([Column#25],0,5)->Projection", "Join{DataScan(t)->DataScan(s)}(test.t.a,test.t.a)->TopN([test.t.a],0,5)->Projection", "Join{DataScan(t)->DataScan(s)->TopN([test.t.a],0,5)}(test.t.a,test.t.a)->TopN([test.t.a],0,5)->Projection", "Join{DataScan(t)->DataScan(s)}(test.t.a,test.t.a)->TopN([test.t.a test.t.b],0,5)->Projection", From 386fb465a2f126d0cc7b16771a3ac6c8b0c30d13 Mon Sep 17 00:00:00 2001 From: Zejun Li Date: Mon, 9 Nov 2020 11:55:41 +0800 Subject: [PATCH 0165/1021] config: add GOGC under performance section (#20872) --- config/config.go | 2 ++ config/config.toml.example | 5 +++++ tidb-server/main.go | 2 ++ util/gogc.go | 3 +++ 4 files changed, 12 insertions(+) diff --git a/config/config.go b/config/config.go index 3980c5515cd06..ea22ba7e2decb 100644 --- a/config/config.go +++ b/config/config.go @@ -430,6 +430,7 @@ type Performance struct { MaxTxnTTL uint64 `toml:"max-txn-ttl" json:"max-txn-ttl"` MemProfileInterval string `toml:"mem-profile-interval" json:"mem-profile-interval"` IndexUsageSyncLease string `toml:"index-usage-sync-lease" json:"index-usage-sync-lease"` + GOGC int `toml:"gogc" json:"gogc"` } // PlanCache is the PlanCache section of the config. @@ -695,6 +696,7 @@ var defaultConf = Config{ MemProfileInterval: "1m", // TODO: set indexUsageSyncLease to 60s. IndexUsageSyncLease: "0s", + GOGC: 100, }, ProxyProtocol: ProxyProtocol{ Networks: "", diff --git a/config/config.toml.example b/config/config.toml.example index ef2c9bf665439..f976e68512ecb 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -301,6 +301,11 @@ mem-profile-interval = "1m" # because we have not completed GC and other functions. index-usage-sync-lease = "0s" +# The Go GC trigger factor, you can get more information about it at https://golang.org/pkg/runtime. +# If you encounter OOM when executing large query, you can decrease this value to trigger GC earlier. +# If you find the CPU used by GC is too high or GC is too frequent and impact your business you can increase this value. +gogc = 100 + [proxy-protocol] # PROXY protocol acceptable client networks. # Empty string means disable PROXY protocol, * means all networks. diff --git a/tidb-server/main.go b/tidb-server/main.go index aefd26368f80f..786df8d61534f 100644 --- a/tidb-server/main.go +++ b/tidb-server/main.go @@ -527,6 +527,8 @@ func setGlobalVars() { runtime.GOMAXPROCS(int(cfg.Performance.MaxProcs)) metrics.MaxProcs.Set(float64(runtime.GOMAXPROCS(0))) + util.SetGOGC(cfg.Performance.GOGC) + ddlLeaseDuration := parseDuration(cfg.Lease) session.SetSchemaLease(ddlLeaseDuration) statsLeaseDuration := parseDuration(cfg.Performance.StatsLease) diff --git a/util/gogc.go b/util/gogc.go index 3d49112825901..67d69a476848b 100644 --- a/util/gogc.go +++ b/util/gogc.go @@ -34,6 +34,9 @@ func init() { // SetGOGC update GOGC and related metrics. func SetGOGC(val int) { + if val <= 0 { + val = 100 + } debug.SetGCPercent(val) metrics.GOGC.Set(float64(val)) atomic.StoreInt64(&gogcValue, int64(val)) From 26d42c9e2307c0c581a53614573b2bb0d50c8ce9 Mon Sep 17 00:00:00 2001 From: crazycs Date: Mon, 9 Nov 2020 13:09:49 +0800 Subject: [PATCH 0166/1021] planner: add partition pruner for list (columns) partition (#20740) --- expression/partition_pruner_test.go | 114 +++ expression/testdata/partition_pruner_in.json | 72 ++ expression/testdata/partition_pruner_out.json | 752 ++++++++++++++++++ planner/core/partition_prune.go | 2 +- planner/core/rule_partition_processor.go | 112 ++- table/tables/partition.go | 76 +- 6 files changed, 1117 insertions(+), 11 deletions(-) diff --git a/expression/partition_pruner_test.go b/expression/partition_pruner_test.go index 604cd82f4c31c..e4557b09bc124 100644 --- a/expression/partition_pruner_test.go +++ b/expression/partition_pruner_test.go @@ -15,6 +15,7 @@ package expression_test import ( "fmt" + "strings" . "github.com/pingcap/check" "github.com/pingcap/tidb/domain" @@ -87,3 +88,116 @@ func (s *testSuite2) TestHashPartitionPruner(c *C) { tk.MustQuery(tt).Check(testkit.Rows(output[i].Result...)) } } + +func (s *testSuite2) TestListPartitionPruner(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("drop database if exists test_partition;") + tk.MustExec("create database test_partition") + tk.MustExec("use test_partition") + tk.MustExec("set @@tidb_enable_clustered_index=0;") + tk.MustExec("create table t1 (id int, a int, b int ) partition by list ( a ) (partition p0 values in (1,2,3,4,5), partition p1 values in (6,7,8,9,10,null));") + tk.MustExec("create table t2 (a int, id int, b int) partition by list (a*3 + b - 2*a - b) (partition p0 values in (1,2,3,4,5), partition p1 values in (6,7,8,9,10,null));") + tk.MustExec("create table t3 (b int, id int, a int) partition by list columns (a) (partition p0 values in (1,2,3,4,5), partition p1 values in (6,7,8,9,10,null));") + tk.MustExec("create table t4 (id int, a int, b int, primary key (a)) partition by list ( a ) (partition p0 values in (1,2,3,4,5), partition p1 values in (6,7,8,9,10));") + tk.MustExec("create table t5 (a int, id int, b int, unique key (a,b)) partition by list (a*3 + b - 2*a - b) (partition p0 values in (1,2,3,4,5), partition p1 values in (6,7,8,9,10,null));") + tk.MustExec("create table t6 (b int, id int, a int, unique key (a,b)) partition by list columns (a) (partition p0 values in (1,2,3,4,5), partition p1 values in (6,7,8,9,10,null));") + tk.MustExec("insert into t1 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)") + tk.MustExec("insert into t2 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)") + tk.MustExec("insert into t3 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)") + tk.MustExec("insert into t4 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10)") + tk.MustExec("insert into t5 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)") + tk.MustExec("insert into t6 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)") + tk.MustExec(`create table t7 (a int unsigned) partition by list (a)(partition p0 values in (0),partition p1 values in (1),partition pnull values in (null),partition p2 values in (2));`) + tk.MustExec("insert into t7 values (null),(0),(1),(2);") + + // tk2 use to compare the result with normal table. + tk2 := testkit.NewTestKit(c, s.store) + tk2.MustExec("drop database if exists test_partition_2;") + tk2.MustExec("create database test_partition_2") + tk2.MustExec("use test_partition_2") + tk2.MustExec("create table t1 (id int, a int, b int)") + tk2.MustExec("create table t2 (a int, id int, b int)") + tk2.MustExec("create table t3 (b int, id int, a int)") + tk2.MustExec("create table t4 (id int, a int, b int, primary key (a));") + tk2.MustExec("create table t5 (a int, id int, b int, unique key (a,b));") + tk2.MustExec("create table t6 (b int, id int, a int, unique key (a,b));") + tk2.MustExec("insert into t1 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)") + tk2.MustExec("insert into t2 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)") + tk2.MustExec("insert into t3 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)") + tk2.MustExec("insert into t4 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10)") + tk2.MustExec("insert into t5 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)") + tk2.MustExec("insert into t6 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)") + tk2.MustExec(`create table t7 (a int unsigned);`) + tk2.MustExec("insert into t7 values (null),(0),(1),(2);") + + var input []string + var output []struct { + SQL string + Result []string + Plan []string + } + s.testData.GetTestCases(c, &input, &output) + valid := false + for i, tt := range input { + s.testData.OnRecord(func() { + output[i].SQL = tt + output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows()) + output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + tt).Rows()) + }) + tk.MustQuery("explain " + tt).Check(testkit.Rows(output[i].Plan...)) + result := tk.MustQuery(tt) + result.Check(testkit.Rows(output[i].Result...)) + // If the query doesn't specified the partition, compare the result with normal table + if !strings.Contains(tt, "partition(") { + result.Check(tk2.MustQuery(tt).Rows()) + valid = true + } + c.Assert(valid, IsTrue) + } +} + +func (s *testSuite2) TestListColumnsPartitionPruner(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("drop database if exists test_partition;") + tk.MustExec("create database test_partition") + tk.MustExec("use test_partition") + tk.MustExec("create table t1 (id int, a int, b int) partition by list columns (b,a) (partition p0 values in ((1,1),(2,2),(3,3),(4,4),(5,5)), partition p1 values in ((6,6),(7,7),(8,8),(9,9),(10,10),(null,10)));") + tk.MustExec("create table t2 (id int, a int, b int) partition by list columns (id,a,b) (partition p0 values in ((1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5)), partition p1 values in ((6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)));") + tk.MustExec("insert into t1 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,10,null)") + tk.MustExec("insert into t2 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)") + + // tk2 use to compare the result with normal table. + tk2 := testkit.NewTestKit(c, s.store) + tk2.MustExec("drop database if exists test_partition_2;") + tk2.MustExec("create database test_partition_2") + tk2.MustExec("use test_partition_2") + tk2.MustExec("create table t1 (id int, a int, b int)") + tk2.MustExec("create table t2 (id int, a int, b int)") + tk2.MustExec("insert into t1 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,10,null)") + tk2.MustExec("insert into t2 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)") + + var input []string + var output []struct { + SQL string + Result []string + Plan []string + } + s.testData.GetTestCases(c, &input, &output) + valid := false + for i, tt := range input { + s.testData.OnRecord(func() { + output[i].SQL = tt + output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows()) + output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + tt).Rows()) + }) + tk.MustQuery("explain " + tt).Check(testkit.Rows(output[i].Plan...)) + result := tk.MustQuery(tt) + result.Check(testkit.Rows(output[i].Result...)) + // If the query doesn't specified the partition, compare the result with normal table + if !strings.Contains(tt, "partition(") { + result.Check(tk2.MustQuery(tt).Rows()) + valid = true + } + } + c.Assert(valid, IsTrue) +} diff --git a/expression/testdata/partition_pruner_in.json b/expression/testdata/partition_pruner_in.json index ba9d6eb43f333..6ac61ad9cda1e 100644 --- a/expression/testdata/partition_pruner_in.json +++ b/expression/testdata/partition_pruner_in.json @@ -25,5 +25,77 @@ "explain select * from t7 where (a = 1 and b = 2) or (a = 1 and b = 2)", "explain select * from t7 partition(p0) where (a = 1 and b = 2) or (a = 3 and b = 4)" ] + }, + { + "name": "TestListPartitionPruner", + "cases": [ + "select * from t1 where id = 6 and a = 6", + "select * from t2 where id = 6 and a = 6 and b = 6", + "select * from t3 where id = 6 and a = 6", + "select * from t1 where id = 6 and (a = 6 or a is null)", + "select * from t2 where id = 6 and (a = 6 and b = 6 ) or ( a is null and b = 6 )", + "select * from t3 where id = 6 and (a = 6 or a is null)", + "select * from t1 where id = 6 and (a = 1 or a is null)", + "select * from t2 where id = 6 and (a = 6 and b = 6) or ( a is null and b = 6)", + "select * from t3 where id = 6 and (a = 1 or a is null)", + "select * from t1 where (id = 1 and a = 1) or a is null", + "select * from t2 where (id = 1 and a = 1 and b = 1) or (a is null and b is null)", + "select * from t3 where (id = 1 and a = 1) or a is null", + "select * from t1 where (id = 1 and a = 1) or (a = 1 and id = 1)", + "select * from t2 where (id = 1 and a = 1 and b = 1) or (a = 1 and id = 1 and b=1)", + "select * from t3 where (id = 1 and a = 1) or (a = 1 and id = 1)", + "select * from t1 where a is null", + "select * from t2 where a is null and b is null", + "select * from t3 where a is null", + "select * from t1 where a=id and id >10", + "select * from t2 where a=id and id >10", + "select * from t3 where a=id and id >10", + "select * from t1 where a=id and id >10 or a is null", + "select * from t2 where a=id and id >10 or a is null", + "select * from t3 where a=id and id >10 or a is null", + "select * from t1 where a in (1,2) or a=4", + "select * from t2 where a in (1,2) or a=4", + "select * from t3 where a in (1,2) or a=4", + "select * from t1 where a in (1,2) or a=6", + "select * from t2 where (a in (1,2) or a=7) and b = 2", + "select * from t3 where a in (1,2) or a=8", + "select * from t1 where id = 1 or b = 1", + "select * from t2 where id = 1 or b = 1", + "select * from t3 where id = 1 or b = 1", + "select * from t1 where a = 100", + "select * from t2 where a = 100 and b = 100", + "select * from t3 where a = 100", + "select * from t1 partition(p0) where a in (1,3,5,7)", + "select * from t2 partition(p0) where b in (1,3,5,7)", + "select * from t1 partition(p1) where a in (1,3,5,7)", + "select * from t2 partition(p1) where a in (1,3,5,7)", + "select * from t1 join t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3) and (t2.a = 6 and t2.b = 6)", + "select * from t1 left join t3 on t1.id = t3.id where (t1.a=1 or t1.a = 3) and t3.a in (6,7,8)", + "select * from t3 right join t2 on t3.id = t2.id where (t3.a=1 or t3.a = 3) and t2.a in (6,7,8) and t2.b = 6", + "select * from t1 join t2 on true where t1.a=5 and t2.a in (6,7,8) and t1.a-t2.a=1 and t2.b = 6", + "select * from t1 where a = 6 union select * from t1 where a = 1 order by a", + "select * from t4 join t5 on t4.id = t5.id where (t4.a=1 or t4.a = 3) and (t5.a = 1 or t5.a = 6) and t5.b in (1,6)", + "select * from t4 t1 join t4 t2 on t1.id = t2.id where t1.a in (1, 4) and t2.a in (1,3,9,100)", + "select * from t6 t1 join t6 t2 on t1.id = t2.id where t1.a in (1, 4) and t2.a in (1,3,9,100)", + "select count(*) from t6 join t5 on t6.b = t5.b where t6.a in (1,2) and t5.a in (1,6) and t5.b in (1,6)", + "select /*+ INL_JOIN(t6,t5) */ count(*) from t6 join t5 on t6.b = t5.b where t6.a in (1,2) and t5.a in (1,6) and t5.b in (1,6)", + "select /*+ INL_HASH_JOIN(t5,t6) */ count(*) from t6 join t5 on t6.b = t5.b where t6.a in (1,2) and t5.a in (1,6) and t5.b in (1,6)", + "select * from t7 where a is null or a > 0 order by a;" + ] + }, + { + "name": "TestListColumnsPartitionPruner", + "cases": [ + "select * from t1 where a = 1 or b = 2", + "select * from t1 where a = 1 and b = 2", + "select * from t1 where a = 1 and b = 1", + "select * from t1 where a in (1,2,3) or b in (4,5,6)", + "select * from t1 where a in (1,2,3) and b in (4,5,6)", + "select * from t1 where a in (1,2,3) and b in (3,4,6)", + "select * from t1 where ( a=1 and b=1) or (a=6 and b=6)", + "select * from t1 where a = 100 and b = 100", + "select * from t1 join t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3 and t1.b in (3,5)) and t2.a in (6,7,8) and t2.b=7 and t2.id=7", + "select * from t1 left join t2 on true where (t1.a=1 or t1.a = 3 and t1.b in (3,5)) and t2.a in (6,7,8) and t2.b=7 and t2.id = 7" + ] } ] diff --git a/expression/testdata/partition_pruner_out.json b/expression/testdata/partition_pruner_out.json index 02d188697d8a5..83bb20f469aaa 100644 --- a/expression/testdata/partition_pruner_out.json +++ b/expression/testdata/partition_pruner_out.json @@ -177,5 +177,757 @@ ] } ] + }, + { + "Name": "TestListPartitionPruner", + "Cases": [ + { + "SQL": "select * from t1 where id = 6 and a = 6", + "Result": [ + "6 6 6" + ], + "Plan": [ + "TableReader_7 0.01 root partition:p1 data:Selection_6", + "└─Selection_6 0.01 cop[tikv] eq(test_partition.t1.a, 6), eq(test_partition.t1.id, 6)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t2 where id = 6 and a = 6 and b = 6", + "Result": [ + "6 6 6" + ], + "Plan": [ + "TableReader_7 0.00 root partition:p1 data:Selection_6", + "└─Selection_6 0.00 cop[tikv] eq(test_partition.t2.a, 6), eq(test_partition.t2.b, 6), eq(test_partition.t2.id, 6)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t3 where id = 6 and a = 6", + "Result": [ + "6 6 6" + ], + "Plan": [ + "TableReader_7 0.01 root partition:p1 data:Selection_6", + "└─Selection_6 0.01 cop[tikv] eq(test_partition.t3.a, 6), eq(test_partition.t3.id, 6)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where id = 6 and (a = 6 or a is null)", + "Result": [ + "6 6 6" + ], + "Plan": [ + "TableReader_7 0.02 root partition:p1 data:Selection_6", + "└─Selection_6 0.02 cop[tikv] eq(test_partition.t1.id, 6), or(eq(test_partition.t1.a, 6), isnull(test_partition.t1.a))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t2 where id = 6 and (a = 6 and b = 6 ) or ( a is null and b = 6 )", + "Result": [ + "6 6 6" + ], + "Plan": [ + "TableReader_7 0.01 root partition:p1 data:Selection_6", + "└─Selection_6 0.01 cop[tikv] or(and(eq(test_partition.t2.id, 6), and(eq(test_partition.t2.a, 6), eq(test_partition.t2.b, 6))), and(isnull(test_partition.t2.a), eq(test_partition.t2.b, 6)))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t3 where id = 6 and (a = 6 or a is null)", + "Result": [ + "6 6 6" + ], + "Plan": [ + "TableReader_7 0.02 root partition:p1 data:Selection_6", + "└─Selection_6 0.02 cop[tikv] eq(test_partition.t3.id, 6), or(eq(test_partition.t3.a, 6), isnull(test_partition.t3.a))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where id = 6 and (a = 1 or a is null)", + "Result": null, + "Plan": [ + "TableReader_7 0.02 root partition:p0,p1 data:Selection_6", + "└─Selection_6 0.02 cop[tikv] eq(test_partition.t1.id, 6), or(eq(test_partition.t1.a, 1), isnull(test_partition.t1.a))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t2 where id = 6 and (a = 6 and b = 6) or ( a is null and b = 6)", + "Result": [ + "6 6 6" + ], + "Plan": [ + "TableReader_7 0.01 root partition:p1 data:Selection_6", + "└─Selection_6 0.01 cop[tikv] or(and(eq(test_partition.t2.id, 6), and(eq(test_partition.t2.a, 6), eq(test_partition.t2.b, 6))), and(isnull(test_partition.t2.a), eq(test_partition.t2.b, 6)))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t3 where id = 6 and (a = 1 or a is null)", + "Result": null, + "Plan": [ + "TableReader_7 0.02 root partition:p0,p1 data:Selection_6", + "└─Selection_6 0.02 cop[tikv] eq(test_partition.t3.id, 6), or(eq(test_partition.t3.a, 1), isnull(test_partition.t3.a))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where (id = 1 and a = 1) or a is null", + "Result": [ + "1 1 1", + " " + ], + "Plan": [ + "TableReader_7 10.01 root partition:p0,p1 data:Selection_6", + "└─Selection_6 10.01 cop[tikv] or(and(eq(test_partition.t1.id, 1), eq(test_partition.t1.a, 1)), isnull(test_partition.t1.a))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t2 where (id = 1 and a = 1 and b = 1) or (a is null and b is null)", + "Result": [ + "1 1 1", + " " + ], + "Plan": [ + "TableReader_7 0.01 root partition:p0,p1 data:Selection_6", + "└─Selection_6 0.01 cop[tikv] or(and(and(eq(test_partition.t2.id, 1), eq(test_partition.t2.a, 1)), eq(test_partition.t2.b, 1)), and(isnull(test_partition.t2.a), isnull(test_partition.t2.b)))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t3 where (id = 1 and a = 1) or a is null", + "Result": [ + "1 1 1", + " " + ], + "Plan": [ + "TableReader_7 10.01 root partition:p0,p1 data:Selection_6", + "└─Selection_6 10.01 cop[tikv] or(and(eq(test_partition.t3.id, 1), eq(test_partition.t3.a, 1)), isnull(test_partition.t3.a))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where (id = 1 and a = 1) or (a = 1 and id = 1)", + "Result": [ + "1 1 1" + ], + "Plan": [ + "TableReader_7 0.02 root partition:p0 data:Selection_6", + "└─Selection_6 0.02 cop[tikv] or(and(eq(test_partition.t1.id, 1), eq(test_partition.t1.a, 1)), and(eq(test_partition.t1.a, 1), eq(test_partition.t1.id, 1)))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t2 where (id = 1 and a = 1 and b = 1) or (a = 1 and id = 1 and b=1)", + "Result": [ + "1 1 1" + ], + "Plan": [ + "TableReader_7 0.00 root partition:p0 data:Selection_6", + "└─Selection_6 0.00 cop[tikv] or(and(and(eq(test_partition.t2.id, 1), eq(test_partition.t2.a, 1)), eq(test_partition.t2.b, 1)), and(and(eq(test_partition.t2.a, 1), eq(test_partition.t2.id, 1)), eq(test_partition.t2.b, 1)))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t3 where (id = 1 and a = 1) or (a = 1 and id = 1)", + "Result": [ + "1 1 1" + ], + "Plan": [ + "TableReader_7 0.02 root partition:p0 data:Selection_6", + "└─Selection_6 0.02 cop[tikv] or(and(eq(test_partition.t3.id, 1), eq(test_partition.t3.a, 1)), and(eq(test_partition.t3.a, 1), eq(test_partition.t3.id, 1)))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a is null", + "Result": [ + " " + ], + "Plan": [ + "TableReader_7 10.00 root partition:p1 data:Selection_6", + "└─Selection_6 10.00 cop[tikv] isnull(test_partition.t1.a)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t2 where a is null and b is null", + "Result": [ + " " + ], + "Plan": [ + "TableReader_7 0.01 root partition:p1 data:Selection_6", + "└─Selection_6 0.01 cop[tikv] isnull(test_partition.t2.a), isnull(test_partition.t2.b)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t3 where a is null", + "Result": [ + " " + ], + "Plan": [ + "TableReader_7 10.00 root partition:p1 data:Selection_6", + "└─Selection_6 10.00 cop[tikv] isnull(test_partition.t3.a)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a=id and id >10", + "Result": null, + "Plan": [ + "TableReader_7 2666.67 root partition:all data:Selection_6", + "└─Selection_6 2666.67 cop[tikv] eq(test_partition.t1.a, test_partition.t1.id), gt(test_partition.t1.id, 10)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t2 where a=id and id >10", + "Result": null, + "Plan": [ + "TableReader_7 2666.67 root partition:all data:Selection_6", + "└─Selection_6 2666.67 cop[tikv] eq(test_partition.t2.a, test_partition.t2.id), gt(test_partition.t2.id, 10)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t3 where a=id and id >10", + "Result": null, + "Plan": [ + "TableReader_7 2666.67 root partition:all data:Selection_6", + "└─Selection_6 2666.67 cop[tikv] eq(test_partition.t3.a, test_partition.t3.id), gt(test_partition.t3.id, 10)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a=id and id >10 or a is null", + "Result": [ + " " + ], + "Plan": [ + "TableReader_7 2674.00 root partition:all data:Selection_6", + "└─Selection_6 2674.00 cop[tikv] or(and(eq(test_partition.t1.a, test_partition.t1.id), gt(test_partition.t1.id, 10)), isnull(test_partition.t1.a))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t2 where a=id and id >10 or a is null", + "Result": [ + " " + ], + "Plan": [ + "TableReader_7 2674.00 root partition:all data:Selection_6", + "└─Selection_6 2674.00 cop[tikv] or(and(eq(test_partition.t2.a, test_partition.t2.id), gt(test_partition.t2.id, 10)), isnull(test_partition.t2.a))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t3 where a=id and id >10 or a is null", + "Result": [ + " " + ], + "Plan": [ + "TableReader_7 2674.00 root partition:all data:Selection_6", + "└─Selection_6 2674.00 cop[tikv] or(and(eq(test_partition.t3.a, test_partition.t3.id), gt(test_partition.t3.id, 10)), isnull(test_partition.t3.a))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a in (1,2) or a=4", + "Result": [ + "1 1 1", + "2 2 2", + "4 4 4" + ], + "Plan": [ + "TableReader_7 30.00 root partition:p0 data:Selection_6", + "└─Selection_6 30.00 cop[tikv] or(in(test_partition.t1.a, 1, 2), eq(test_partition.t1.a, 4))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t2 where a in (1,2) or a=4", + "Result": [ + "1 1 1", + "2 2 2", + "4 4 4" + ], + "Plan": [ + "TableReader_7 30.00 root partition:all data:Selection_6", + "└─Selection_6 30.00 cop[tikv] or(in(test_partition.t2.a, 1, 2), eq(test_partition.t2.a, 4))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t3 where a in (1,2) or a=4", + "Result": [ + "1 1 1", + "2 2 2", + "4 4 4" + ], + "Plan": [ + "TableReader_7 30.00 root partition:p0 data:Selection_6", + "└─Selection_6 30.00 cop[tikv] or(in(test_partition.t3.a, 1, 2), eq(test_partition.t3.a, 4))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a in (1,2) or a=6", + "Result": [ + "1 1 1", + "2 2 2", + "6 6 6" + ], + "Plan": [ + "TableReader_7 30.00 root partition:p0,p1 data:Selection_6", + "└─Selection_6 30.00 cop[tikv] or(in(test_partition.t1.a, 1, 2), eq(test_partition.t1.a, 6))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t2 where (a in (1,2) or a=7) and b = 2", + "Result": [ + "2 2 2" + ], + "Plan": [ + "TableReader_7 0.03 root partition:p0,p1 data:Selection_6", + "└─Selection_6 0.03 cop[tikv] eq(test_partition.t2.b, 2), or(in(test_partition.t2.a, 1, 2), eq(test_partition.t2.a, 7))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t3 where a in (1,2) or a=8", + "Result": [ + "1 1 1", + "2 2 2", + "8 8 8" + ], + "Plan": [ + "TableReader_7 30.00 root partition:p0,p1 data:Selection_6", + "└─Selection_6 30.00 cop[tikv] or(in(test_partition.t3.a, 1, 2), eq(test_partition.t3.a, 8))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where id = 1 or b = 1", + "Result": [ + "1 1 1" + ], + "Plan": [ + "TableReader_7 19.99 root partition:all data:Selection_6", + "└─Selection_6 19.99 cop[tikv] or(eq(test_partition.t1.id, 1), eq(test_partition.t1.b, 1))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t2 where id = 1 or b = 1", + "Result": [ + "1 1 1" + ], + "Plan": [ + "TableReader_7 19.99 root partition:all data:Selection_6", + "└─Selection_6 19.99 cop[tikv] or(eq(test_partition.t2.id, 1), eq(test_partition.t2.b, 1))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t3 where id = 1 or b = 1", + "Result": [ + "1 1 1" + ], + "Plan": [ + "TableReader_7 19.99 root partition:all data:Selection_6", + "└─Selection_6 19.99 cop[tikv] or(eq(test_partition.t3.id, 1), eq(test_partition.t3.b, 1))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 100", + "Result": null, + "Plan": [ + "TableReader_7 10.00 root partition:dual data:Selection_6", + "└─Selection_6 10.00 cop[tikv] eq(test_partition.t1.a, 100)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t2 where a = 100 and b = 100", + "Result": null, + "Plan": [ + "TableReader_7 0.01 root partition:dual data:Selection_6", + "└─Selection_6 0.01 cop[tikv] eq(test_partition.t2.a, 100), eq(test_partition.t2.b, 100)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t3 where a = 100", + "Result": null, + "Plan": [ + "TableReader_7 10.00 root partition:dual data:Selection_6", + "└─Selection_6 10.00 cop[tikv] eq(test_partition.t3.a, 100)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 partition(p0) where a in (1,3,5,7)", + "Result": [ + "1 1 1", + "3 3 3", + "5 5 5" + ], + "Plan": [ + "TableReader_7 40.00 root partition:p0 data:Selection_6", + "└─Selection_6 40.00 cop[tikv] in(test_partition.t1.a, 1, 3, 5, 7)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t2 partition(p0) where b in (1,3,5,7)", + "Result": [ + "1 1 1", + "3 3 3", + "5 5 5" + ], + "Plan": [ + "TableReader_7 40.00 root partition:p0 data:Selection_6", + "└─Selection_6 40.00 cop[tikv] in(test_partition.t2.b, 1, 3, 5, 7)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 partition(p1) where a in (1,3,5,7)", + "Result": [ + "7 7 7" + ], + "Plan": [ + "TableReader_7 40.00 root partition:p1 data:Selection_6", + "└─Selection_6 40.00 cop[tikv] in(test_partition.t1.a, 1, 3, 5, 7)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t2 partition(p1) where a in (1,3,5,7)", + "Result": [ + "7 7 7" + ], + "Plan": [ + "TableReader_7 40.00 root partition:p1 data:Selection_6", + "└─Selection_6 40.00 cop[tikv] in(test_partition.t2.a, 1, 3, 5, 7)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 join t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3) and (t2.a = 6 and t2.b = 6)", + "Result": null, + "Plan": [ + "Projection_7 0.01 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t2.a, test_partition.t2.id, test_partition.t2.b", + "└─HashJoin_9 0.01 root inner join, equal:[eq(test_partition.t2.id, test_partition.t1.id)]", + " ├─TableReader_12(Build) 0.01 root partition:p1 data:Selection_11", + " │ └─Selection_11 0.01 cop[tikv] eq(test_partition.t2.a, 6), eq(test_partition.t2.b, 6), not(isnull(test_partition.t2.id))", + " │ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_15(Probe) 19.98 root partition:p0 data:Selection_14", + " └─Selection_14 19.98 cop[tikv] not(isnull(test_partition.t1.id)), or(eq(test_partition.t1.a, 1), eq(test_partition.t1.a, 3))", + " └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 left join t3 on t1.id = t3.id where (t1.a=1 or t1.a = 3) and t3.a in (6,7,8)", + "Result": null, + "Plan": [ + "HashJoin_8 24.98 root inner join, equal:[eq(test_partition.t1.id, test_partition.t3.id)]", + "├─TableReader_11(Build) 19.98 root partition:p0 data:Selection_10", + "│ └─Selection_10 19.98 cop[tikv] not(isnull(test_partition.t1.id)), or(eq(test_partition.t1.a, 1), eq(test_partition.t1.a, 3))", + "│ └─TableFullScan_9 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─TableReader_14(Probe) 29.97 root partition:p1 data:Selection_13", + " └─Selection_13 29.97 cop[tikv] in(test_partition.t3.a, 6, 7, 8), not(isnull(test_partition.t3.id))", + " └─TableFullScan_12 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t3 right join t2 on t3.id = t2.id where (t3.a=1 or t3.a = 3) and t2.a in (6,7,8) and t2.b = 6", + "Result": null, + "Plan": [ + "HashJoin_7 0.04 root inner join, equal:[eq(test_partition.t3.id, test_partition.t2.id)]", + "├─TableReader_14(Build) 0.03 root partition:p1 data:Selection_13", + "│ └─Selection_13 0.03 cop[tikv] eq(test_partition.t2.b, 6), in(test_partition.t2.a, 6, 7, 8), not(isnull(test_partition.t2.id))", + "│ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + "└─TableReader_11(Probe) 19.98 root partition:p0 data:Selection_10", + " └─Selection_10 19.98 cop[tikv] not(isnull(test_partition.t3.id)), or(eq(test_partition.t3.a, 1), eq(test_partition.t3.a, 3))", + " └─TableFullScan_9 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 join t2 on true where t1.a=5 and t2.a in (6,7,8) and t1.a-t2.a=1 and t2.b = 6", + "Result": null, + "Plan": [ + "Projection_7 80.00 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t2.a, test_partition.t2.id, test_partition.t2.b", + "└─HashJoin_9 80.00 root CARTESIAN inner join", + " ├─TableReader_12(Build) 8.00 root partition:p1 data:Selection_11", + " │ └─Selection_11 8.00 cop[tikv] 1, eq(minus(5, test_partition.t2.a), 1), eq(test_partition.t2.b, 6), in(test_partition.t2.a, 6, 7, 8)", + " │ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_15(Probe) 10.00 root partition:p0 data:Selection_14", + " └─Selection_14 10.00 cop[tikv] 1, eq(test_partition.t1.a, 5)", + " └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 6 union select * from t1 where a = 1 order by a", + "Result": [ + "1 1 1", + "6 6 6" + ], + "Plan": [ + "Sort_12 16.00 root Column#10", + "└─HashAgg_16 16.00 root group by:Column#10, Column#11, Column#9, funcs:firstrow(Column#9)->Column#9, funcs:firstrow(Column#10)->Column#10, funcs:firstrow(Column#11)->Column#11", + " └─Union_17 20.00 root ", + " ├─TableReader_21 10.00 root partition:p1 data:Selection_20", + " │ └─Selection_20 10.00 cop[tikv] eq(test_partition.t1.a, 6)", + " │ └─TableFullScan_19 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + " └─TableReader_25 10.00 root partition:p0 data:Selection_24", + " └─Selection_24 10.00 cop[tikv] eq(test_partition.t1.a, 1)", + " └─TableFullScan_23 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t4 join t5 on t4.id = t5.id where (t4.a=1 or t4.a = 3) and (t5.a = 1 or t5.a = 6) and t5.b in (1,6)", + "Result": [ + "1 1 1 1 1 1" + ], + "Plan": [ + "HashJoin_9 2.50 root inner join, equal:[eq(test_partition.t4.id, test_partition.t5.id)]", + "├─TableReader_12(Build) 2.00 root partition:p0 data:Selection_11", + "│ └─Selection_11 2.00 cop[tikv] not(isnull(test_partition.t4.id))", + "│ └─TableRangeScan_10 2.00 cop[tikv] table:t4 range:[1,1], [3,3], keep order:false, stats:pseudo", + "└─IndexLookUp_16(Probe) 4.00 root partition:p0,p1 ", + " ├─IndexRangeScan_13(Build) 4.00 cop[tikv] table:t5, index:a(a, b) range:[1 1,1 1], [1 6,1 6], [6 1,6 1], [6 6,6 6], keep order:false, stats:pseudo", + " └─Selection_15(Probe) 4.00 cop[tikv] not(isnull(test_partition.t5.id))", + " └─TableRowIDScan_14 4.00 cop[tikv] table:t5 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t4 t1 join t4 t2 on t1.id = t2.id where t1.a in (1, 4) and t2.a in (1,3,9,100)", + "Result": [ + "1 1 1 1 1 1" + ], + "Plan": [ + "HashJoin_9 2.50 root inner join, equal:[eq(test_partition.t4.id, test_partition.t4.id)]", + "├─TableReader_12(Build) 2.00 root partition:p0 data:Selection_11", + "│ └─Selection_11 2.00 cop[tikv] not(isnull(test_partition.t4.id))", + "│ └─TableRangeScan_10 2.00 cop[tikv] table:t1 range:[1,1], [4,4], keep order:false, stats:pseudo", + "└─TableReader_15(Probe) 4.00 root partition:p0,p1 data:Selection_14", + " └─Selection_14 4.00 cop[tikv] not(isnull(test_partition.t4.id))", + " └─TableRangeScan_13 4.00 cop[tikv] table:t2 range:[1,1], [3,3], [9,9], [100,100], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t6 t1 join t6 t2 on t1.id = t2.id where t1.a in (1, 4) and t2.a in (1,3,9,100)", + "Result": [ + "1 1 1 1 1 1" + ], + "Plan": [ + "HashJoin_9 24.97 root inner join, equal:[eq(test_partition.t6.id, test_partition.t6.id)]", + "├─IndexLookUp_16(Build) 19.98 root partition:p0 ", + "│ ├─IndexRangeScan_13(Build) 20.00 cop[tikv] table:t1, index:a(a, b) range:[1,1], [4,4], keep order:false, stats:pseudo", + "│ └─Selection_15(Probe) 19.98 cop[tikv] not(isnull(test_partition.t6.id))", + "│ └─TableRowIDScan_14 20.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─IndexLookUp_23(Probe) 39.96 root partition:p0,p1 ", + " ├─IndexRangeScan_20(Build) 40.00 cop[tikv] table:t2, index:a(a, b) range:[1,1], [3,3], [9,9], [100,100], keep order:false, stats:pseudo", + " └─Selection_22(Probe) 39.96 cop[tikv] not(isnull(test_partition.t6.id))", + " └─TableRowIDScan_21 40.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select count(*) from t6 join t5 on t6.b = t5.b where t6.a in (1,2) and t5.a in (1,6) and t5.b in (1,6)", + "Result": [ + "1" + ], + "Plan": [ + "StreamAgg_13 1.00 root funcs:count(1)->Column#9", + "└─HashJoin_46 4.00 root inner join, equal:[eq(test_partition.t6.b, test_partition.t5.b)]", + " ├─IndexReader_33(Build) 4.00 root partition:p0,p1 index:Selection_32", + " │ └─Selection_32 4.00 cop[tikv] not(isnull(test_partition.t5.b))", + " │ └─IndexRangeScan_31 4.00 cop[tikv] table:t5, index:a(a, b) range:[1 1,1 1], [1 6,1 6], [6 1,6 1], [6 6,6 6], keep order:false, stats:pseudo", + " └─IndexReader_30(Probe) 4.00 root partition:p0 index:Selection_29", + " └─Selection_29 4.00 cop[tikv] not(isnull(test_partition.t6.b))", + " └─IndexRangeScan_28 4.00 cop[tikv] table:t6, index:a(a, b) range:[1 1,1 1], [1 6,1 6], [2 1,2 1], [2 6,2 6], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select /*+ INL_JOIN(t6,t5) */ count(*) from t6 join t5 on t6.b = t5.b where t6.a in (1,2) and t5.a in (1,6) and t5.b in (1,6)", + "Result": [ + "1" + ], + "Plan": [ + "StreamAgg_12 1.00 root funcs:count(1)->Column#9", + "└─IndexJoin_34 4.00 root inner join, inner:IndexReader_33, outer key:test_partition.t6.b, inner key:test_partition.t5.b", + " ├─IndexReader_27(Build) 4.00 root partition:p0 index:Selection_26", + " │ └─Selection_26 4.00 cop[tikv] not(isnull(test_partition.t6.b))", + " │ └─IndexRangeScan_25 4.00 cop[tikv] table:t6, index:a(a, b) range:[1 1,1 1], [1 6,1 6], [2 1,2 1], [2 6,2 6], keep order:false, stats:pseudo", + " └─IndexReader_33(Probe) 1.25 root partition:p0,p1 index:Selection_32", + " └─Selection_32 1.25 cop[tikv] in(test_partition.t5.b, 1, 6), not(isnull(test_partition.t5.b))", + " └─IndexRangeScan_31 625.00 cop[tikv] table:t5, index:a(a, b) range: decided by [eq(test_partition.t5.b, test_partition.t6.b) in(test_partition.t5.a, 1, 6)], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select /*+ INL_HASH_JOIN(t5,t6) */ count(*) from t6 join t5 on t6.b = t5.b where t6.a in (1,2) and t5.a in (1,6) and t5.b in (1,6)", + "Result": [ + "1" + ], + "Plan": [ + "StreamAgg_12 1.00 root funcs:count(1)->Column#9", + "└─IndexHashJoin_36 4.00 root inner join, inner:IndexReader_33, outer key:test_partition.t6.b, inner key:test_partition.t5.b", + " ├─IndexReader_27(Build) 4.00 root partition:p0 index:Selection_26", + " │ └─Selection_26 4.00 cop[tikv] not(isnull(test_partition.t6.b))", + " │ └─IndexRangeScan_25 4.00 cop[tikv] table:t6, index:a(a, b) range:[1 1,1 1], [1 6,1 6], [2 1,2 1], [2 6,2 6], keep order:false, stats:pseudo", + " └─IndexReader_33(Probe) 1.25 root partition:p0,p1 index:Selection_32", + " └─Selection_32 1.25 cop[tikv] in(test_partition.t5.b, 1, 6), not(isnull(test_partition.t5.b))", + " └─IndexRangeScan_31 625.00 cop[tikv] table:t5, index:a(a, b) range: decided by [eq(test_partition.t5.b, test_partition.t6.b) in(test_partition.t5.a, 1, 6)], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t7 where a is null or a > 0 order by a;", + "Result": [ + "", + "1", + "2" + ], + "Plan": [ + "Sort_5 3343.33 root test_partition.t7.a", + "└─TableReader_10 3343.33 root partition:all data:Selection_9", + " └─Selection_9 3343.33 cop[tikv] or(isnull(test_partition.t7.a), gt(test_partition.t7.a, 0))", + " └─TableFullScan_8 10000.00 cop[tikv] table:t7 keep order:false, stats:pseudo" + ] + } + ] + }, + { + "Name": "TestListColumnsPartitionPruner", + "Cases": [ + { + "SQL": "select * from t1 where a = 1 or b = 2", + "Result": [ + "1 1 1", + "2 2 2" + ], + "Plan": [ + "TableReader_7 19.99 root partition:all data:Selection_6", + "└─Selection_6 19.99 cop[tikv] or(eq(test_partition.t1.a, 1), eq(test_partition.t1.b, 2))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 1 and b = 2", + "Result": null, + "Plan": [ + "TableReader_7 0.01 root partition:dual data:Selection_6", + "└─Selection_6 0.01 cop[tikv] eq(test_partition.t1.a, 1), eq(test_partition.t1.b, 2)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 1 and b = 1", + "Result": [ + "1 1 1" + ], + "Plan": [ + "TableReader_7 0.01 root partition:p0 data:Selection_6", + "└─Selection_6 0.01 cop[tikv] eq(test_partition.t1.a, 1), eq(test_partition.t1.b, 1)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a in (1,2,3) or b in (4,5,6)", + "Result": [ + "1 1 1", + "2 2 2", + "3 3 3", + "4 4 4", + "5 5 5", + "6 6 6" + ], + "Plan": [ + "TableReader_7 59.91 root partition:all data:Selection_6", + "└─Selection_6 59.91 cop[tikv] or(in(test_partition.t1.a, 1, 2, 3), in(test_partition.t1.b, 4, 5, 6))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a in (1,2,3) and b in (4,5,6)", + "Result": null, + "Plan": [ + "TableReader_7 0.09 root partition:dual data:Selection_6", + "└─Selection_6 0.09 cop[tikv] in(test_partition.t1.a, 1, 2, 3), in(test_partition.t1.b, 4, 5, 6)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a in (1,2,3) and b in (3,4,6)", + "Result": [ + "3 3 3" + ], + "Plan": [ + "TableReader_7 0.09 root partition:p0 data:Selection_6", + "└─Selection_6 0.09 cop[tikv] in(test_partition.t1.a, 1, 2, 3), in(test_partition.t1.b, 3, 4, 6)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where ( a=1 and b=1) or (a=6 and b=6)", + "Result": [ + "1 1 1", + "6 6 6" + ], + "Plan": [ + "TableReader_7 0.02 root partition:p0,p1 data:Selection_6", + "└─Selection_6 0.02 cop[tikv] or(and(eq(test_partition.t1.a, 1), eq(test_partition.t1.b, 1)), and(eq(test_partition.t1.a, 6), eq(test_partition.t1.b, 6)))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 100 and b = 100", + "Result": null, + "Plan": [ + "TableReader_7 0.01 root partition:dual data:Selection_6", + "└─Selection_6 0.01 cop[tikv] eq(test_partition.t1.a, 100), eq(test_partition.t1.b, 100)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 join t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3 and t1.b in (3,5)) and t2.a in (6,7,8) and t2.b=7 and t2.id=7", + "Result": null, + "Plan": [ + "Projection_7 0.00 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t2.id, test_partition.t2.a, test_partition.t2.b", + "└─HashJoin_9 0.00 root CARTESIAN inner join", + " ├─TableReader_12(Build) 0.00 root partition:p1 data:Selection_11", + " │ └─Selection_11 0.00 cop[tikv] eq(test_partition.t2.b, 7), eq(test_partition.t2.id, 7), in(test_partition.t2.a, 6, 7, 8)", + " │ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_15(Probe) 0.01 root partition:all data:Selection_14", + " └─Selection_14 0.01 cop[tikv] eq(test_partition.t1.id, 7), or(eq(test_partition.t1.a, 1), and(eq(test_partition.t1.a, 3), in(test_partition.t1.b, 3, 5)))", + " └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 left join t2 on true where (t1.a=1 or t1.a = 3 and t1.b in (3,5)) and t2.a in (6,7,8) and t2.b=7 and t2.id = 7", + "Result": [ + "1 1 1 7 7 7", + "3 3 3 7 7 7" + ], + "Plan": [ + "HashJoin_7 80.16 root CARTESIAN inner join", + "├─TableReader_14(Build) 8.00 root partition:p1 data:Selection_13", + "│ └─Selection_13 8.00 cop[tikv] 1, eq(test_partition.t2.b, 7), eq(test_partition.t2.id, 7), in(test_partition.t2.a, 6, 7, 8)", + "│ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + "└─TableReader_11(Probe) 10.02 root partition:all data:Selection_10", + " └─Selection_10 10.02 cop[tikv] 1, or(eq(test_partition.t1.a, 1), and(eq(test_partition.t1.a, 3), in(test_partition.t1.b, 3, 5)))", + " └─TableFullScan_9 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + } + ] } ] diff --git a/planner/core/partition_prune.go b/planner/core/partition_prune.go index 20d8656cddbc5..80941c3de3edd 100644 --- a/planner/core/partition_prune.go +++ b/planner/core/partition_prune.go @@ -38,7 +38,7 @@ func PartitionPruning(ctx sessionctx.Context, tbl table.PartitionedTable, conds ret := s.convertToIntSlice(rangeOr, pi, partitionNames) return ret, nil case model.PartitionTypeList: - return s.pruneListPartition(tbl, partitionNames), nil + return s.pruneListPartition(ctx, tbl, partitionNames, conds) } return []int{FullRange}, nil } diff --git a/planner/core/rule_partition_processor.go b/planner/core/rule_partition_processor.go index 0d3a79ae82368..3d869de56af7e 100644 --- a/planner/core/rule_partition_processor.go +++ b/planner/core/rule_partition_processor.go @@ -224,13 +224,92 @@ func (s *partitionProcessor) processHashPartition(ds *DataSource, pi *model.Part return tableDual, nil } -func (s *partitionProcessor) pruneListPartition(tbl table.Table, partitionNames []model.CIStr) []int { - if len(partitionNames) > 0 { - pi := tbl.Meta().Partition +func (s *partitionProcessor) findUsedListPartitions(ctx sessionctx.Context, tbl table.Table, partitionNames []model.CIStr, + conds []expression.Expression) ([]int, error) { + pi := tbl.Meta().Partition + partExpr, err := tbl.(partitionTable).PartitionExpr() + if err != nil { + return nil, err + } + + colIDToUniqueID := make(map[int64]int64) + for _, cond := range conds { + condCols := expression.ExtractColumns(cond) + for _, c := range condCols { + colIDToUniqueID[c.ID] = c.UniqueID + } + } + + pruneList := partExpr.ForListPruning + cols := make([]*expression.Column, 0, len(pruneList.ExprCols)) + colLen := make([]int, 0, len(pruneList.ExprCols)) + for _, c := range pruneList.ExprCols { + c = c.Clone().(*expression.Column) + if uniqueID, ok := colIDToUniqueID[c.ID]; ok { + c.UniqueID = uniqueID + } + cols = append(cols, c) + colLen = append(colLen, types.UnspecifiedLength) + } + + detachedResult, err := ranger.DetachCondAndBuildRangeForPartition(ctx, conds, cols, colLen) + if err != nil { + return nil, err + } + + ranges := detachedResult.Ranges + used := make(map[int]struct{}, len(ranges)) + for _, r := range ranges { + if r.IsPointNullable(ctx.GetSessionVars().StmtCtx) { + if !r.HighVal[0].IsNull() { + if len(r.HighVal) != len(cols) { + used[FullRange] = struct{}{} + break + } + } + found := int64(-1) + row := chunk.MutRowFromDatums(r.HighVal).ToRow() + for j, expr := range pruneList.Exprs { + ret, _, err := expr.EvalInt(ctx, row) + if err != nil { + return nil, err + } + if ret > 0 { + found = int64(j) + break + } + } + if found == -1 { + continue + } + if len(partitionNames) > 0 && !s.findByName(partitionNames, pi.Definitions[found].Name.L) { + continue + } + used[int(found)] = struct{}{} + } else { + used[FullRange] = struct{}{} + break + } + } + if _, ok := used[FullRange]; ok { or := partitionRangeOR{partitionRange{0, len(pi.Definitions)}} - return s.convertToIntSlice(or, pi, partitionNames) + return s.convertToIntSlice(or, pi, partitionNames), nil } - return []int{FullRange} + ret := make([]int, 0, len(used)) + for k := range used { + ret = append(ret, k) + } + sort.Ints(ret) + return ret, nil +} + +func (s *partitionProcessor) pruneListPartition(ctx sessionctx.Context, tbl table.Table, partitionNames []model.CIStr, + conds []expression.Expression) ([]int, error) { + used, err := s.findUsedListPartitions(ctx, tbl, partitionNames, conds) + if err != nil { + return nil, err + } + return used, nil } func (s *partitionProcessor) prune(ds *DataSource) (LogicalPlan, error) { @@ -239,11 +318,13 @@ func (s *partitionProcessor) prune(ds *DataSource) (LogicalPlan, error) { return ds, nil } // Try to locate partition directly for hash partition. - if pi.Type == model.PartitionTypeHash { - return s.processHashPartition(ds, pi) - } - if pi.Type == model.PartitionTypeRange { + switch pi.Type { + case model.PartitionTypeRange: return s.processRangePartition(ds, pi) + case model.PartitionTypeHash: + return s.processHashPartition(ds, pi) + case model.PartitionTypeList: + return s.processListPartition(ds, pi) } // We haven't implement partition by list and so on. @@ -458,6 +539,19 @@ func (s *partitionProcessor) processRangePartition(ds *DataSource, pi *model.Par return s.makeUnionAllChildren(ds, pi, used) } +func (s *partitionProcessor) processListPartition(ds *DataSource, pi *model.PartitionInfo) (LogicalPlan, error) { + used, err := s.pruneListPartition(ds.SCtx(), ds.table, ds.partitionNames, ds.allConds) + if err != nil { + return nil, err + } + if used != nil { + return s.makeUnionAllChildren(ds, pi, convertToRangeOr(used, pi)) + } + tableDual := LogicalTableDual{RowCount: 0}.Init(ds.SCtx(), ds.blockOffset) + tableDual.schema = ds.Schema() + return tableDual, nil +} + // makePartitionByFnCol extracts the column and function information in 'partition by ... fn(col)'. func makePartitionByFnCol(sctx sessionctx.Context, columns []*expression.Column, names types.NameSlice, partitionExpr string) (*expression.Column, *expression.ScalarFunction, monotoneMode, error) { monotonous := monotoneModeInvalid diff --git a/table/tables/partition.go b/table/tables/partition.go index 06f36afb38018..80b4cf10fa3f2 100644 --- a/table/tables/partition.go +++ b/table/tables/partition.go @@ -138,6 +138,7 @@ type PartitionExpr struct { ColumnOffset []int // InValues: x in (1,2); x in (3,4); x in (5,6), used for list partition. InValues []expression.Expression + *ForListPruning } func initEvalBufferType(t *partitionedTable) { @@ -196,6 +197,12 @@ func parseSimpleExprWithNames(p *parser.Parser, ctx sessionctx.Context, exprStr return expression.RewriteSimpleExprWithNames(ctx, exprNode, schema, names) } +// ForListPruning is used for list partition pruning. +type ForListPruning struct { + Exprs []expression.Expression + ExprCols []*expression.Column +} + // ForRangePruning is used for range partition pruning. type ForRangePruning struct { LessThan []int64 @@ -338,11 +345,65 @@ func generateRangePartitionExpr(ctx sessionctx.Context, pi *model.PartitionInfo, return ret, nil } +func getColumnsOffset(cols, columns []*expression.Column) []int { + colsOffset := make([]int, len(cols)) + for i, col := range columns { + if idx := findIdxByColUniqueID(cols, col); idx >= 0 { + colsOffset[idx] = i + } + } + return colsOffset +} + +func findIdxByColUniqueID(cols []*expression.Column, col *expression.Column) int { + for idx, c := range cols { + if c.UniqueID == col.UniqueID { + return idx + } + } + return -1 +} + +func extractListPartitionExprColumns(ctx sessionctx.Context, pi *model.PartitionInfo, columns []*expression.Column, names types.NameSlice) ([]*expression.Column, []int, error) { + var cols []*expression.Column + if len(pi.Columns) == 0 { + schema := expression.NewSchema(columns...) + exprs, err := expression.ParseSimpleExprsWithNames(ctx, pi.Expr, schema, names) + if err != nil { + return nil, nil, err + } + cols = expression.ExtractColumns(exprs[0]) + } else { + for _, col := range pi.Columns { + idx := expression.FindFieldNameIdxByColName(names, col.L) + if idx < 0 { + panic("should never happen") + } + cols = append(cols, columns[idx]) + } + } + offset := getColumnsOffset(cols, columns) + deDupCols := make([]*expression.Column, 0, len(cols)) + for _, col := range cols { + if findIdxByColUniqueID(deDupCols, col) < 0 { + c := col.Clone().(*expression.Column) + c.Index = len(deDupCols) + deDupCols = append(deDupCols, c) + } + } + return deDupCols, offset, nil +} + func generateListPartitionExpr(ctx sessionctx.Context, pi *model.PartitionInfo, columns []*expression.Column, names types.NameSlice) (*PartitionExpr, error) { // The caller should assure partition info is not nil. locateExprs := make([]expression.Expression, 0, len(pi.Definitions)) + pruneExprs := make([]expression.Expression, 0, len(pi.Definitions)) schema := expression.NewSchema(columns...) + exprCols, offset, err := extractListPartitionExprColumns(ctx, pi, columns, names) + if err != nil { + return nil, err + } p := parser.New() for _, def := range pi.Definitions { exprStr, err := generateListPartitionExprStr(ctx, pi, schema, names, &def, p) @@ -356,9 +417,22 @@ func generateListPartitionExpr(ctx sessionctx.Context, pi *model.PartitionInfo, return nil, errors.Trace(err) } locateExprs = append(locateExprs, expr) + pruneExpr := expr.Clone() + cols := expression.ExtractColumns(pruneExpr) + for _, c := range cols { + idx := findIdxByColUniqueID(exprCols, c) + if idx < 0 { + panic("should never happen") + } + c.Index = idx + } + + pruneExprs = append(pruneExprs, pruneExpr) } ret := &PartitionExpr{ - InValues: locateExprs, + InValues: locateExprs, + ForListPruning: &ForListPruning{Exprs: pruneExprs, ExprCols: exprCols}, + ColumnOffset: offset, } return ret, nil } From af8dee160e116d7bf580ddf0ae05548fea354733 Mon Sep 17 00:00:00 2001 From: MyonKeminta <9948422+MyonKeminta@users.noreply.github.com> Date: Mon, 9 Nov 2020 13:22:30 +0800 Subject: [PATCH 0167/1021] store/tikv: Fix the issue that context canceled error during commit RPC is not treated as undetermined error (#20857) Signed-off-by: MyonKeminta --- store/tikv/2pc_test.go | 21 +++++++++++++++++++++ store/tikv/async_commit_fail_test.go | 23 +++++++++++++++++++++++ store/tikv/region_request.go | 18 +++++++++++++++++- 3 files changed, 61 insertions(+), 1 deletion(-) diff --git a/store/tikv/2pc_test.go b/store/tikv/2pc_test.go index f9c192ad51a94..534e339c4ee41 100644 --- a/store/tikv/2pc_test.go +++ b/store/tikv/2pc_test.go @@ -296,6 +296,27 @@ func (s *testCommitterSuite) TestContextCancelRetryable(c *C) { c.Assert(kv.ErrWriteConflictInTiDB.Equal(err), IsTrue, Commentf("err: %s", err)) } +func (s *testCommitterSuite) TestContextCancelCausingUndetermined(c *C) { + // For a normal transaction, if RPC returns context.Canceled error while sending commit + // requests, the transaction should go to the undetermined state. + txn := s.begin(c) + err := txn.Set([]byte("a"), []byte("va")) + c.Assert(err, IsNil) + committer, err := newTwoPhaseCommitterWithInit(txn, 0) + c.Assert(err, IsNil) + committer.prewriteMutations(NewBackofferWithVars(context.Background(), PrewriteMaxBackoff, nil), committer.mutations) + c.Assert(err, IsNil) + + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/rpcContextCancelErr", `return(true)`), IsNil) + defer func() { + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/rpcContextCancelErr"), IsNil) + }() + + err = committer.commitMutations(NewBackofferWithVars(context.Background(), PrewriteMaxBackoff, nil), committer.mutations) + c.Assert(committer.mu.undeterminedErr, NotNil) + c.Assert(errors.Cause(err), Equals, context.Canceled) +} + func (s *testCommitterSuite) mustGetRegionID(c *C, key []byte) uint64 { loc, err := s.store.regionCache.LocateKey(NewBackofferWithVars(context.Background(), getMaxBackoff, nil), key) c.Assert(err, IsNil) diff --git a/store/tikv/async_commit_fail_test.go b/store/tikv/async_commit_fail_test.go index 4762e4777078e..5461c98ea1766 100644 --- a/store/tikv/async_commit_fail_test.go +++ b/store/tikv/async_commit_fail_test.go @@ -190,3 +190,26 @@ func (s *testAsyncCommitFailSuite) TestSecondaryListInPrimaryLock(c *C) { test([]string{"a", "b", "h", "i", "u"}, []string{"a4", "b4", "h4", "i4", "u4"}) test([]string{"i", "a", "z", "u", "b"}, []string{"i5", "a5", "z5", "u5", "b5"}) } + +func (s *testAsyncCommitFailSuite) TestAsyncCommitContextCancelCausingUndetermined(c *C) { + defer config.RestoreFunc()() + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.AsyncCommit.Enable = true + }) + + // For an async commit transaction, if RPC returns context.Canceled error when prewriting, the + // transaction should go to undetermined state. + txn := s.begin(c) + err := txn.Set([]byte("a"), []byte("va")) + c.Assert(err, IsNil) + + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/rpcContextCancelErr", `return(true)`), IsNil) + defer func() { + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/rpcContextCancelErr"), IsNil) + }() + + ctx := context.WithValue(context.Background(), sessionctx.ConnID, uint64(1)) + err = txn.Commit(ctx) + c.Assert(err, NotNil) + c.Assert(txn.committer.mu.undeterminedErr, NotNil) +} diff --git a/store/tikv/region_request.go b/store/tikv/region_request.go index 196471606a9d5..e7de51d1ef703 100644 --- a/store/tikv/region_request.go +++ b/store/tikv/region_request.go @@ -421,7 +421,24 @@ func (s *RegionRequestSender) sendReqToRegion(bo *Backoffer, rpcCtx *RPCContext, } }) } + + failpoint.Inject("rpcContextCancelErr", func(val failpoint.Value) { + if val.(bool) { + ctx1, cancel := context.WithCancel(context.Background()) + cancel() + select { + case <-ctx1.Done(): + } + + ctx = ctx1 + err = ctx.Err() + resp = nil + } + }) + if err != nil { + s.rpcError = err + // Because in rpc logic, context.Cancel() will be transferred to rpcContext.Cancel error. For rpcContext cancel, // we need to retry the request. But for context cancel active, for example, limitExec gets the required rows, // we shouldn't retry the request, it will go to backoff and hang in retry logic. @@ -429,7 +446,6 @@ func (s *RegionRequestSender) sendReqToRegion(bo *Backoffer, rpcCtx *RPCContext, return nil, false, errors.Trace(ctx.Err()) } - s.rpcError = err failpoint.Inject("noRetryOnRpcError", func(val failpoint.Value) { if val.(bool) { failpoint.Return(nil, false, err) From 522275783e5f3741ca201c45e51cdab9dc1ca2bd Mon Sep 17 00:00:00 2001 From: tangenta Date: Mon, 9 Nov 2020 16:37:12 +0800 Subject: [PATCH 0168/1021] executor: fix auto-id allocation during statements retry (#20659) --- errors.toml | 5 - executor/insert_common.go | 134 ++++++++++---------------- executor/seqtest/seq_executor_test.go | 46 +++++++++ sessionctx/variable/error.go | 2 - sessionctx/variable/session.go | 10 +- 5 files changed, 102 insertions(+), 95 deletions(-) diff --git a/errors.toml b/errors.toml index 87ea14ef381d5..4746277ab5442 100644 --- a/errors.toml +++ b/errors.toml @@ -1531,11 +1531,6 @@ error = ''' The isolation level '%s' is not supported. Set tidb_skip_isolation_level_check=1 to skip this error ''' -["variable:8054"] -error = ''' -cannot set variable to null -''' - ["variable:8055"] error = ''' snapshot is older than GC safe point %s diff --git a/executor/insert_common.go b/executor/insert_common.go index d742beefd17c4..d37fa54577843 100644 --- a/executor/insert_common.go +++ b/executor/insert_common.go @@ -31,6 +31,7 @@ import ( "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/meta/autoid" + "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/store/tikv" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/table/tables" @@ -630,41 +631,20 @@ func (e *InsertValues) isAutoNull(ctx context.Context, d types.Datum, col *table return false } -func (e *InsertValues) hasAutoIncrementColumn() (int, bool) { - colIdx := -1 - for i, c := range e.Table.Cols() { +func findAutoIncrementColumn(t table.Table) (col *table.Column, offsetInRow int, found bool) { + for i, c := range t.Cols() { if mysql.HasAutoIncrementFlag(c.Flag) { - colIdx = i - break + return c, i, true } } - return colIdx, colIdx != -1 + return nil, -1, false } -func (e *InsertValues) lazyAdjustAutoIncrementDatumInRetry(ctx context.Context, rows [][]types.Datum, colIdx int) ([][]types.Datum, error) { - // Get the autoIncrement column. - col := e.Table.Cols()[colIdx] - // Consider the colIdx of autoIncrement in row are the same. - length := len(rows) - for i := 0; i < length; i++ { - autoDatum := rows[i][colIdx] - - // autoID can be found in RetryInfo. - retryInfo := e.ctx.GetSessionVars().RetryInfo - if retryInfo.Retrying { - id, err := retryInfo.GetCurrAutoIncrementID() - if err != nil { - return nil, err - } - autoDatum.SetAutoID(id, col.Flag) - - if err = col.HandleBadNull(&autoDatum, e.ctx.GetSessionVars().StmtCtx); err != nil { - return nil, err - } - rows[i][colIdx] = autoDatum - } - } - return rows, nil +func setDatumAutoIDAndCast(ctx sessionctx.Context, d *types.Datum, id int64, col *table.Column) error { + d.SetAutoID(id, col.Flag) + var err error + *d, err = table.CastValue(ctx, *d, col.ToInfo(), false, false) + return err } // lazyAdjustAutoIncrementDatum is quite similar to adjustAutoIncrementDatum @@ -674,22 +654,14 @@ func (e *InsertValues) lazyAdjustAutoIncrementDatum(ctx context.Context, rows [] if !e.lazyFillAutoID { return rows, nil } - // No autoIncrement column means no need to fill. - colIdx, ok := e.hasAutoIncrementColumn() - if !ok { + col, idx, found := findAutoIncrementColumn(e.Table) + if !found { return rows, nil } - // autoID can be found in RetryInfo. retryInfo := e.ctx.GetSessionVars().RetryInfo - if retryInfo.Retrying { - return e.lazyAdjustAutoIncrementDatumInRetry(ctx, rows, colIdx) - } - // Get the autoIncrement column. - col := e.Table.Cols()[colIdx] - // Consider the colIdx of autoIncrement in row are the same. - length := len(rows) - for i := 0; i < length; i++ { - autoDatum := rows[i][colIdx] + rowCount := len(rows) + for processedIdx := 0; processedIdx < rowCount; processedIdx++ { + autoDatum := rows[processedIdx][idx] var err error var recordID int64 @@ -707,18 +679,32 @@ func (e *InsertValues) lazyAdjustAutoIncrementDatum(ctx context.Context, rows [] } e.ctx.GetSessionVars().StmtCtx.InsertID = uint64(recordID) retryInfo.AddAutoIncrementID(recordID) - rows[i][colIdx] = autoDatum continue } // Change NULL to auto id. // Change value 0 to auto id, if NoAutoValueOnZero SQL mode is not set. if autoDatum.IsNull() || e.ctx.GetSessionVars().SQLMode&mysql.ModeNoAutoValueOnZero == 0 { + // Consume the auto IDs in RetryInfo first. + for retryInfo.Retrying && processedIdx < rowCount { + nextID, ok := retryInfo.GetCurrAutoIncrementID() + if !ok { + break + } + err = setDatumAutoIDAndCast(e.ctx, &rows[processedIdx][idx], nextID, col) + if err != nil { + return nil, err + } + processedIdx++ + if processedIdx == rowCount { + return rows, nil + } + } // Find consecutive num. - start := i + start := processedIdx cnt := 1 - for i+1 < length && e.isAutoNull(ctx, rows[i+1][colIdx], col) { - i++ + for processedIdx+1 < rowCount && e.isAutoNull(ctx, rows[processedIdx+1][idx], col) { + processedIdx++ cnt++ } // AllocBatchAutoIncrementValue allocates batch N consecutive autoIDs. @@ -735,31 +721,21 @@ func (e *InsertValues) lazyAdjustAutoIncrementDatum(ctx context.Context, rows [] // Assign autoIDs to rows. for j := 0; j < cnt; j++ { offset := j + start - d := rows[offset][colIdx] - id := int64(uint64(min) + uint64(j)*uint64(increment)) - d.SetAutoID(id, col.Flag) - retryInfo.AddAutoIncrementID(id) - - // The value of d is adjusted by auto ID, so we need to cast it again. - d, err := table.CastValue(e.ctx, d, col.ToInfo(), false, false) + err = setDatumAutoIDAndCast(e.ctx, &rows[offset][idx], id, col) if err != nil { return nil, err } - rows[offset][colIdx] = d + retryInfo.AddAutoIncrementID(id) } continue } - autoDatum.SetAutoID(recordID, col.Flag) - retryInfo.AddAutoIncrementID(recordID) - - // the value of d is adjusted by auto ID, so we need to cast it again. - autoDatum, err = table.CastValue(e.ctx, autoDatum, col.ToInfo(), false, false) + err = setDatumAutoIDAndCast(e.ctx, &rows[processedIdx][idx], recordID, col) if err != nil { return nil, err } - rows[i][colIdx] = autoDatum + retryInfo.AddAutoIncrementID(recordID) } return rows, nil } @@ -767,12 +743,11 @@ func (e *InsertValues) lazyAdjustAutoIncrementDatum(ctx context.Context, rows [] func (e *InsertValues) adjustAutoIncrementDatum(ctx context.Context, d types.Datum, hasValue bool, c *table.Column) (types.Datum, error) { retryInfo := e.ctx.GetSessionVars().RetryInfo if retryInfo.Retrying { - id, err := retryInfo.GetCurrAutoIncrementID() - if err != nil { - return types.Datum{}, err + id, ok := retryInfo.GetCurrAutoIncrementID() + if ok { + d.SetAutoID(id, c.Flag) + return d, nil } - d.SetAutoID(id, c.Flag) - return d, nil } var err error @@ -811,20 +786,16 @@ func (e *InsertValues) adjustAutoIncrementDatum(ctx context.Context, d types.Dat } } - d.SetAutoID(recordID, c.Flag) - retryInfo.AddAutoIncrementID(recordID) - - // the value of d is adjusted by auto ID, so we need to cast it again. - casted, err := table.CastValue(e.ctx, d, c.ToInfo(), false, false) + err = setDatumAutoIDAndCast(e.ctx, &d, recordID, c) if err != nil { return types.Datum{}, err } - return casted, nil + retryInfo.AddAutoIncrementID(recordID) + return d, nil } func getAutoRecordID(d types.Datum, target *types.FieldType, isInsert bool) (int64, error) { var recordID int64 - switch target.Tp { case mysql.TypeFloat, mysql.TypeDouble: f := d.GetFloat64() @@ -845,12 +816,11 @@ func getAutoRecordID(d types.Datum, target *types.FieldType, isInsert bool) (int func (e *InsertValues) adjustAutoRandomDatum(ctx context.Context, d types.Datum, hasValue bool, c *table.Column) (types.Datum, error) { retryInfo := e.ctx.GetSessionVars().RetryInfo if retryInfo.Retrying { - autoRandomID, err := retryInfo.GetCurrAutoRandomID() - if err != nil { - return types.Datum{}, err + autoRandomID, ok := retryInfo.GetCurrAutoRandomID() + if ok { + d.SetAutoID(autoRandomID, c.Flag) + return d, nil } - d.SetAutoID(autoRandomID, c.Flag) - return d, nil } var err error @@ -897,14 +867,12 @@ func (e *InsertValues) adjustAutoRandomDatum(ctx context.Context, d types.Datum, } } - d.SetAutoID(recordID, c.Flag) - retryInfo.AddAutoRandomID(recordID) - - casted, err := table.CastValue(e.ctx, d, c.ToInfo(), false, false) + err = setDatumAutoIDAndCast(e.ctx, &d, recordID, c) if err != nil { return types.Datum{}, err } - return casted, nil + retryInfo.AddAutoRandomID(recordID) + return d, nil } // allocAutoRandomID allocates a random id for primary key column. It assumes tableInfo.AutoRandomBits > 0. diff --git a/executor/seqtest/seq_executor_test.go b/executor/seqtest/seq_executor_test.go index e5dee5a93620f..c8dffeb118d1a 100644 --- a/executor/seqtest/seq_executor_test.go +++ b/executor/seqtest/seq_executor_test.go @@ -1317,6 +1317,52 @@ func (s *seqTestSuite) TestPessimisticConflictRetryAutoID(c *C) { } } +func (s *seqTestSuite) TestInsertFromSelectConflictRetryAutoID(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t (id int not null auto_increment unique key, idx int unique key, c int);") + tk.MustExec("create table src (a int);") + concurrency := 2 + var wg sync.WaitGroup + var err []error + wgCount := concurrency + 1 + wg.Add(wgCount) + err = make([]error, concurrency) + for i := 0; i < concurrency; i++ { + tk := testkit.NewTestKitWithInit(c, s.store) + go func(idx int) { + for i := 0; i < 10; i++ { + sql := fmt.Sprintf("insert into t(idx, c) select 1 as idx, 1 as c from src on duplicate key update c = %[1]d", i) + _, e := tk.Exec(sql) + if e != nil { + err[idx] = e + wg.Done() + return + } + } + wg.Done() + }(i) + } + var insertErr error + go func() { + tk := testkit.NewTestKitWithInit(c, s.store) + for i := 0; i < 10; i++ { + _, e := tk.Exec("insert into src values (null);") + if e != nil { + insertErr = e + wg.Done() + return + } + } + wg.Done() + }() + wg.Wait() + for _, e := range err { + c.Assert(e, IsNil) + } + c.Assert(insertErr, IsNil) +} + func (s *seqTestSuite) TestAutoRandIDRetry(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) diff --git a/sessionctx/variable/error.go b/sessionctx/variable/error.go index b6a5bf2901def..b9c21782e5be2 100644 --- a/sessionctx/variable/error.go +++ b/sessionctx/variable/error.go @@ -20,9 +20,7 @@ import ( // Error instances. var ( - errCantGetValidID = dbterror.ClassVariable.NewStd(mysql.ErrCantGetValidID) errWarnDeprecatedSyntax = dbterror.ClassVariable.NewStd(mysql.ErrWarnDeprecatedSyntax) - ErrCantSetToNull = dbterror.ClassVariable.NewStd(mysql.ErrCantSetToNull) ErrSnapshotTooOld = dbterror.ClassVariable.NewStd(mysql.ErrSnapshotTooOld) ErrUnsupportedValueForVar = dbterror.ClassVariable.NewStd(mysql.ErrUnsupportedValueForVar) ErrUnknownSystemVar = dbterror.ClassVariable.NewStd(mysql.ErrUnknownSystemVariable) diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 60e7185352727..0a78f2c5391e9 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -87,7 +87,7 @@ func (r *RetryInfo) AddAutoIncrementID(id int64) { } // GetCurrAutoIncrementID gets current autoIncrementID. -func (r *RetryInfo) GetCurrAutoIncrementID() (int64, error) { +func (r *RetryInfo) GetCurrAutoIncrementID() (int64, bool) { return r.autoIncrementIDs.getCurrent() } @@ -97,7 +97,7 @@ func (r *RetryInfo) AddAutoRandomID(id int64) { } // GetCurrAutoRandomID gets current AutoRandomID. -func (r *RetryInfo) GetCurrAutoRandomID() (int64, error) { +func (r *RetryInfo) GetCurrAutoRandomID() (int64, bool) { return r.autoRandomIDs.getCurrent() } @@ -117,13 +117,13 @@ func (r *retryInfoAutoIDs) clean() { } } -func (r *retryInfoAutoIDs) getCurrent() (int64, error) { +func (r *retryInfoAutoIDs) getCurrent() (int64, bool) { if r.currentOffset >= len(r.autoIDs) { - return 0, errCantGetValidID + return 0, false } id := r.autoIDs[r.currentOffset] r.currentOffset++ - return id, nil + return id, true } // stmtFuture is used to async get timestamp for statement. From 8bcbdf0aba59f5d553e4c24631432e01950bbcfe Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Patrick=20Jiang=28=E7=99=BD=E6=B3=BD=29?= Date: Mon, 9 Nov 2020 17:06:48 +0800 Subject: [PATCH 0169/1021] planner: fix update statement not blocked by primary (#20842) --- cmd/explaintest/r/explain_easy.result | 5 ++- planner/core/point_get_plan.go | 2 + planner/core/point_get_plan_test.go | 54 +++++++++++++++++++++++++-- util/testkit/testkit.go | 9 +++++ 4 files changed, 65 insertions(+), 5 deletions(-) diff --git a/cmd/explaintest/r/explain_easy.result b/cmd/explaintest/r/explain_easy.result index 27ea5514a3b3c..bad869a4f35c1 100644 --- a/cmd/explaintest/r/explain_easy.result +++ b/cmd/explaintest/r/explain_easy.result @@ -688,8 +688,9 @@ begin; insert into t values (1, 1); explain update t set j = -j where i = 1 and j = 1; id estRows task access object operator info -Update_3 N/A root N/A -└─Point_Get_1 1.00 root table:t, index:i(i, j) +Update_5 N/A root N/A +└─Selection_9 1.00 root eq(test.t.j, 1) + └─Point_Get_8 1.00 root table:t handle:1 rollback; drop table if exists t; create table t(a int); diff --git a/planner/core/point_get_plan.go b/planner/core/point_get_plan.go index 5ee08498c36a5..6d06d118e164d 100644 --- a/planner/core/point_get_plan.go +++ b/planner/core/point_get_plan.go @@ -794,6 +794,8 @@ func tryPointGetPlan(ctx sessionctx.Context, selStmt *ast.SelectStmt) *PointGetP p.HandleParam = handlePair.param p.PartitionInfo = partitionInfo return p + } else if handlePair.value.Kind() != types.KindNull { + return nil } for _, idxInfo := range tbl.Indices { diff --git a/planner/core/point_get_plan_test.go b/planner/core/point_get_plan_test.go index 2ec238739df95..288f30099dcd9 100644 --- a/planner/core/point_get_plan_test.go +++ b/planner/core/point_get_plan_test.go @@ -18,6 +18,8 @@ import ( "fmt" "math" "strings" + "sync" + "time" . "github.com/pingcap/check" "github.com/pingcap/tidb/domain" @@ -217,13 +219,16 @@ func (s *testPointGetSuite) TestWhereIn2BatchPointGet(c *C) { "4 4 5", )) tk.MustQuery("explain select * from t where a = 1 and b = 1 and c = 1").Check(testkit.Rows( - "Point_Get_1 1.00 root table:t, index:idx_abc(a, b, c) ", + "Selection_6 1.00 root eq(test.t.b, 1), eq(test.t.c, 1)", + "└─Point_Get_5 1.00 root table:t handle:1", )) tk.MustQuery("explain select * from t where 1 = a and 1 = b and 1 = c").Check(testkit.Rows( - "Point_Get_1 1.00 root table:t, index:idx_abc(a, b, c) ", + "Selection_6 1.00 root eq(1, test.t.b), eq(1, test.t.c)", + "└─Point_Get_5 1.00 root table:t handle:1", )) tk.MustQuery("explain select * from t where 1 = a and b = 1 and 1 = c").Check(testkit.Rows( - "Point_Get_1 1.00 root table:t, index:idx_abc(a, b, c) ", + "Selection_6 1.00 root eq(1, test.t.c), eq(test.t.b, 1)", + "└─Point_Get_5 1.00 root table:t handle:1", )) tk.MustQuery("explain select * from t where (a, b, c) in ((1, 1, 1), (2, 2, 2))").Check(testkit.Rows( "Batch_Point_Get_1 2.00 root table:t, index:idx_abc(a, b, c) keep order:false, desc:false", @@ -469,3 +474,46 @@ func (s *testPointGetSuite) TestSelectInMultiColumns(c *C) { c.Assert(err, NotNil) c.Assert(err.Error(), Equals, "[expression:1241]Operand should contain 3 column(s)") } + +func (s *testPointGetSuite) TestIssue20692(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (id int primary key, v int, vv int, vvv int, unique key u0(id, v, vv));") + tk.MustExec("insert into t values(1, 1, 1, 1);") + se1, err := session.CreateSession(s.store) + c.Assert(err, IsNil) + tk1 := testkit.NewTestKitWithSession(c, s.store, se1) + se2, err := session.CreateSession(s.store) + c.Assert(err, IsNil) + tk2 := testkit.NewTestKitWithSession(c, s.store, se2) + se3, err := session.CreateSession(s.store) + c.Assert(err, IsNil) + tk3 := testkit.NewTestKitWithSession(c, s.store, se3) + tk1.MustExec("begin pessimistic;") + tk1.MustExec("use test") + tk2.MustExec("begin pessimistic;") + tk2.MustExec("use test") + tk3.MustExec("begin pessimistic;") + tk3.MustExec("use test") + tk1.MustExec("delete from t where id = 1 and v = 1 and vv = 1;") + var stop1 sync.WaitGroup + stop1.Add(1) + go func() { + tk2.MustExec("insert into t values(1, 2, 3, 4);") + stop1.Done() + }() + time.Sleep(50 * time.Millisecond) + var stop2 sync.WaitGroup + stop2.Add(1) + go func() { + tk3.MustExec("update t set id = 10, v = 20, vv = 30, vvv = 40 where id = 1 and v = 2 and vv = 3;") + stop2.Done() + }() + tk1.MustExec("commit;") + stop1.Wait() + tk2.MustExec("commit;") + stop2.Wait() + tk3.MustExec("commit;") + tk3.MustQuery("select * from t;").Check(testkit.Rows("10 20 30 40")) +} diff --git a/util/testkit/testkit.go b/util/testkit/testkit.go index f586e2a18d1d3..a3437f3a27a97 100644 --- a/util/testkit/testkit.go +++ b/util/testkit/testkit.go @@ -120,6 +120,15 @@ func NewTestKit(c *check.C, store kv.Storage) *TestKit { } } +// NewTestKitWithSession returns a new *TestKit with a session. +func NewTestKitWithSession(c *check.C, store kv.Storage, se session.Session) *TestKit { + return &TestKit{ + c: c, + store: store, + Se: se, + } +} + // NewTestKitWithInit returns a new *TestKit and creates a session. func NewTestKitWithInit(c *check.C, store kv.Storage) *TestKit { tk := NewTestKit(c, store) From f140db6fce0b5cbc6f33dcd7fd6f12da7fa3f6eb Mon Sep 17 00:00:00 2001 From: crazycs Date: Mon, 9 Nov 2020 23:27:54 +0800 Subject: [PATCH 0170/1021] executor: fix issue of runtime stats of index merge join is wrong (#20892) Signed-off-by: crazycs520 --- executor/index_lookup_merge_join.go | 12 ++++++------ executor/join_test.go | 5 +++++ 2 files changed, 11 insertions(+), 6 deletions(-) diff --git a/executor/index_lookup_merge_join.go b/executor/index_lookup_merge_join.go index fabc5a9b346fc..964dd39de051f 100644 --- a/executor/index_lookup_merge_join.go +++ b/executor/index_lookup_merge_join.go @@ -189,6 +189,12 @@ func (e *IndexLookUpMergeJoin) startWorkers(ctx context.Context) { // TODO: consider another session currency variable for index merge join. // Because its parallelization is not complete. concurrency := e.ctx.GetSessionVars().IndexLookupJoinConcurrency() + if e.runtimeStats != nil { + runtimeStats := &execdetails.RuntimeStatsWithConcurrencyInfo{} + runtimeStats.SetConcurrencyInfo(execdetails.NewConcurrencyInfo("Concurrency", concurrency)) + e.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.RegisterStats(e.id, runtimeStats) + } + resultCh := make(chan *lookUpMergeJoinTask, concurrency) e.resultCh = resultCh e.joinChkResourceCh = make([]chan *chunk.Chunk, concurrency) @@ -741,11 +747,5 @@ func (e *IndexLookUpMergeJoin) Close() error { // cancelFunc control the outer worker and outer worker close the task channel. e.workerWg.Wait() e.memTracker = nil - if e.runtimeStats != nil { - concurrency := cap(e.resultCh) - runtimeStats := &execdetails.RuntimeStatsWithConcurrencyInfo{} - runtimeStats.SetConcurrencyInfo(execdetails.NewConcurrencyInfo("Concurrency", concurrency)) - e.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.RegisterStats(e.id, runtimeStats) - } return e.baseExecutor.Close() } diff --git a/executor/join_test.go b/executor/join_test.go index 3492b5a4a30e3..b8c38331bdc60 100644 --- a/executor/join_test.go +++ b/executor/join_test.go @@ -2321,6 +2321,11 @@ func (s *testSuiteJoinSerial) TestExplainAnalyzeJoin(c *C) { c.Assert(len(rows), Equals, 7) c.Assert(rows[0][0], Matches, "HashJoin.*") c.Assert(rows[0][5], Matches, "time:.*, loops:.*, build_hash_table:{total:.*, fetch:.*, build:.*}, probe:{concurrency:5, total:.*, max:.*, probe:.*, fetch:.*}") + // Test for index merge join. + rows = tk.MustQuery("explain analyze select /*+ INL_MERGE_JOIN(t1, t2) */ * from t1,t2 where t1.a=t2.a;").Rows() + c.Assert(len(rows), Equals, 9) + c.Assert(rows[0][0], Matches, "IndexMergeJoin_.*") + c.Assert(rows[0][5], Matches, fmt.Sprintf(".*Concurrency:%v.*", tk.Se.GetSessionVars().IndexLookupJoinConcurrency())) } func (s *testSuiteJoinSerial) TestIssue20270(c *C) { From 8d35f17c17f34f10ca474eb4b5b86c9d611e0f62 Mon Sep 17 00:00:00 2001 From: Lonng Date: Tue, 10 Nov 2020 09:50:39 +0800 Subject: [PATCH 0171/1021] Update the errors dependence to the latest version (#20917) --- ddl/error.go | 60 +++++++++++++++++++-------------------- domain/domain.go | 2 +- executor/insert_common.go | 2 -- expression/errors.go | 4 +-- go.mod | 4 +-- go.sum | 8 +++--- kv/error.go | 6 ++-- planner/core/errors.go | 2 +- server/server.go | 2 +- types/errors.go | 4 +-- util/collate/collate.go | 2 +- util/dbterror/terror.go | 2 +- 12 files changed, 48 insertions(+), 50 deletions(-) diff --git a/ddl/error.go b/ddl/error.go index c8f444e72032b..e66ca06a4d95d 100644 --- a/ddl/error.go +++ b/ddl/error.go @@ -30,23 +30,23 @@ var ( errInvalidDDLJob = dbterror.ClassDDL.NewStd(mysql.ErrInvalidDDLJob) errCancelledDDLJob = dbterror.ClassDDL.NewStd(mysql.ErrCancelledDDLJob) errFileNotFound = dbterror.ClassDDL.NewStd(mysql.ErrFileNotFound) - errRunMultiSchemaChanges = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "multi schema change"), nil), "", "") - errWaitReorgTimeout = dbterror.ClassDDL.NewStdErr(mysql.ErrLockWaitTimeout, mysql.MySQLErrName[mysql.ErrWaitReorgTimeout], "", "") + errRunMultiSchemaChanges = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "multi schema change"), nil)) + errWaitReorgTimeout = dbterror.ClassDDL.NewStdErr(mysql.ErrLockWaitTimeout, mysql.MySQLErrName[mysql.ErrWaitReorgTimeout]) errInvalidStoreVer = dbterror.ClassDDL.NewStd(mysql.ErrInvalidStoreVersion) // ErrRepairTableFail is used to repair tableInfo in repair mode. ErrRepairTableFail = dbterror.ClassDDL.NewStd(mysql.ErrRepairTable) // We don't support dropping column with index covered now. - errCantDropColWithIndex = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "drop column with index"), nil), "", "") - errUnsupportedAddColumn = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "add column"), nil), "", "") - errUnsupportedModifyColumn = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "modify column: %s"), nil), "", "") - errUnsupportedModifyCharset = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "modify %s"), nil), "", "") - errUnsupportedModifyCollation = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "modifying collation from %s to %s"), nil), "", "") - errUnsupportedPKHandle = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "drop integer primary key"), nil), "", "") - errUnsupportedCharset = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "charset %s and collate %s"), nil), "", "") - errUnsupportedShardRowIDBits = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "shard_row_id_bits for table with primary key as row id"), nil), "", "") - errUnsupportedAlterTableWithValidation = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message("ALTER TABLE WITH VALIDATION is currently unsupported", nil), "", "") - errUnsupportedAlterTableWithoutValidation = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message("ALTER TABLE WITHOUT VALIDATION is currently unsupported", nil), "", "") + errCantDropColWithIndex = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "drop column with index"), nil)) + errUnsupportedAddColumn = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "add column"), nil)) + errUnsupportedModifyColumn = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "modify column: %s"), nil)) + errUnsupportedModifyCharset = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "modify %s"), nil)) + errUnsupportedModifyCollation = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "modifying collation from %s to %s"), nil)) + errUnsupportedPKHandle = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "drop integer primary key"), nil)) + errUnsupportedCharset = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "charset %s and collate %s"), nil)) + errUnsupportedShardRowIDBits = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "shard_row_id_bits for table with primary key as row id"), nil)) + errUnsupportedAlterTableWithValidation = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message("ALTER TABLE WITH VALIDATION is currently unsupported", nil)) + errUnsupportedAlterTableWithoutValidation = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message("ALTER TABLE WITHOUT VALIDATION is currently unsupported", nil)) errBlobKeyWithoutLength = dbterror.ClassDDL.NewStd(mysql.ErrBlobKeyWithoutLength) errKeyPart0 = dbterror.ClassDDL.NewStd(mysql.ErrKeyPart0) errIncorrectPrefixKey = dbterror.ClassDDL.NewStd(mysql.ErrWrongSubKey) @@ -88,38 +88,38 @@ var ( // ErrExpressionIndexCanNotRefer forbids to refer expression index to auto-increment column. ErrExpressionIndexCanNotRefer = dbterror.ClassDDL.NewStd(mysql.ErrFunctionalIndexRefAutoIncrement) // ErrUnsupportedAddPartition returns for does not support add partitions. - ErrUnsupportedAddPartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "add partitions"), nil), "", "") + ErrUnsupportedAddPartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "add partitions"), nil)) // ErrUnsupportedCoalescePartition returns for does not support coalesce partitions. - ErrUnsupportedCoalescePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "coalesce partitions"), nil), "", "") - errUnsupportedReorganizePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "reorganize partition"), nil), "", "") - errUnsupportedCheckPartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "check partition"), nil), "", "") - errUnsupportedOptimizePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "optimize partition"), nil), "", "") - errUnsupportedRebuildPartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "rebuild partition"), nil), "", "") - errUnsupportedRemovePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "remove partitioning"), nil), "", "") - errUnsupportedRepairPartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "repair partition"), nil), "", "") - errUnsupportedExchangePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "exchange partition"), nil), "", "") + ErrUnsupportedCoalescePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "coalesce partitions"), nil)) + errUnsupportedReorganizePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "reorganize partition"), nil)) + errUnsupportedCheckPartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "check partition"), nil)) + errUnsupportedOptimizePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "optimize partition"), nil)) + errUnsupportedRebuildPartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "rebuild partition"), nil)) + errUnsupportedRemovePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "remove partitioning"), nil)) + errUnsupportedRepairPartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "repair partition"), nil)) + errUnsupportedExchangePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "exchange partition"), nil)) // ErrGeneratedColumnFunctionIsNotAllowed returns for unsupported functions for generated columns. ErrGeneratedColumnFunctionIsNotAllowed = dbterror.ClassDDL.NewStd(mysql.ErrGeneratedColumnFunctionIsNotAllowed) // ErrGeneratedColumnRowValueIsNotAllowed returns for generated columns referring to row values. ErrGeneratedColumnRowValueIsNotAllowed = dbterror.ClassDDL.NewStd(mysql.ErrGeneratedColumnRowValueIsNotAllowed) // ErrUnsupportedPartitionByRangeColumns returns for does unsupported partition by range columns. - ErrUnsupportedPartitionByRangeColumns = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "partition by range columns"), nil), "", "") + ErrUnsupportedPartitionByRangeColumns = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "partition by range columns"), nil)) // ErrFunctionalIndexFunctionIsNotAllowed returns for unsupported functions for functional index. ErrFunctionalIndexFunctionIsNotAllowed = dbterror.ClassDDL.NewStd(mysql.ErrFunctionalIndexFunctionIsNotAllowed) // ErrFunctionalIndexRowValueIsNotAllowed returns for functional index referring to row values. ErrFunctionalIndexRowValueIsNotAllowed = dbterror.ClassDDL.NewStd(mysql.ErrFunctionalIndexRowValueIsNotAllowed) - errUnsupportedCreatePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "partition type, treat as normal table"), nil), "", "") - errTablePartitionDisabled = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message("Partitions are ignored because Table Partition is disabled, please set 'tidb_enable_table_partition' if you need to need to enable it", nil), "", "") - errUnsupportedIndexType = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "index type"), nil), "", "") + errUnsupportedCreatePartition = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "partition type, treat as normal table"), nil)) + errTablePartitionDisabled = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message("Partitions are ignored because Table Partition is disabled, please set 'tidb_enable_table_partition' if you need to need to enable it", nil)) + errUnsupportedIndexType = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "index type"), nil)) errWindowInvalidWindowFuncUse = dbterror.ClassDDL.NewStd(mysql.ErrWindowInvalidWindowFuncUse) // ErrDupKeyName returns for duplicated key name ErrDupKeyName = dbterror.ClassDDL.NewStd(mysql.ErrDupKeyName) // ErrInvalidDDLState returns for invalid ddl model object state. - ErrInvalidDDLState = dbterror.ClassDDL.NewStdErr(mysql.ErrInvalidDDLState, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrInvalidDDLState].Raw), nil), "", "") + ErrInvalidDDLState = dbterror.ClassDDL.NewStdErr(mysql.ErrInvalidDDLState, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrInvalidDDLState].Raw), nil)) // ErrUnsupportedModifyPrimaryKey returns an error when add or drop the primary key. // It's exported for testing. - ErrUnsupportedModifyPrimaryKey = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "%s primary key"), nil), "", "") + ErrUnsupportedModifyPrimaryKey = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "%s primary key"), nil)) // ErrPKIndexCantBeInvisible return an error when primary key is invisible index ErrPKIndexCantBeInvisible = dbterror.ClassDDL.NewStd(mysql.ErrPKIndexCantBeInvisible) @@ -154,7 +154,7 @@ var ( // ErrCollationCharsetMismatch returns when collation not match the charset. ErrCollationCharsetMismatch = dbterror.ClassDDL.NewStd(mysql.ErrCollationCharsetMismatch) // ErrConflictingDeclarations return conflict declarations. - ErrConflictingDeclarations = dbterror.ClassDDL.NewStdErr(mysql.ErrConflictingDeclarations, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrConflictingDeclarations].Raw, "CHARACTER SET ", "%s", "CHARACTER SET ", "%s"), nil), "", "") + ErrConflictingDeclarations = dbterror.ClassDDL.NewStdErr(mysql.ErrConflictingDeclarations, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrConflictingDeclarations].Raw, "CHARACTER SET ", "%s", "CHARACTER SET ", "%s"), nil)) // ErrPrimaryCantHaveNull returns All parts of a PRIMARY KEY must be NOT NULL; if you need NULL in a key, use UNIQUE instead ErrPrimaryCantHaveNull = dbterror.ClassDDL.NewStd(mysql.ErrPrimaryCantHaveNull) // ErrErrorOnRename returns error for wrong database name in alter table rename @@ -229,7 +229,7 @@ var ( // ErrAddColumnWithSequenceAsDefault is returned when the new added column with sequence's nextval as it's default value. ErrAddColumnWithSequenceAsDefault = dbterror.ClassDDL.NewStd(mysql.ErrAddColumnWithSequenceAsDefault) // ErrUnsupportedExpressionIndex is returned when create an expression index without allow-expression-index. - ErrUnsupportedExpressionIndex = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "creating expression index without allow-expression-index in config"), nil), "", "") + ErrUnsupportedExpressionIndex = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "creating expression index without allow-expression-index in config"), nil)) // ErrPartitionExchangePartTable is returned when exchange table partition with another table is partitioned. ErrPartitionExchangePartTable = dbterror.ClassDDL.NewStd(mysql.ErrPartitionExchangePartTable) // ErrTablesDifferentMetadata is returned when exchanges tables is not compatible. @@ -240,7 +240,7 @@ var ( ErrPartitionExchangeForeignKey = dbterror.ClassDDL.NewStd(mysql.ErrPartitionExchangeForeignKey) // ErrCheckNoSuchTable is returned when exchanged normal table is view or sequence. ErrCheckNoSuchTable = dbterror.ClassDDL.NewStd(mysql.ErrCheckNoSuchTable) - errUnsupportedPartitionType = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "partition type of table %s when exchanging partition"), nil), "", "") + errUnsupportedPartitionType = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "partition type of table %s when exchanging partition"), nil)) // ErrPartitionExchangeDifferentOption is returned when attribute does not match between partition table and normal table. ErrPartitionExchangeDifferentOption = dbterror.ClassDDL.NewStd(mysql.ErrPartitionExchangeDifferentOption) // ErrTableOptionUnionUnsupported is returned when create/alter table with union option. diff --git a/domain/domain.go b/domain/domain.go index ead025c032c9d..419e3fc44096a 100644 --- a/domain/domain.go +++ b/domain/domain.go @@ -1548,5 +1548,5 @@ var ( ErrInfoSchemaExpired = dbterror.ClassDomain.NewStd(errno.ErrInfoSchemaExpired) // ErrInfoSchemaChanged returns the error that information schema is changed. ErrInfoSchemaChanged = dbterror.ClassDomain.NewStdErr(errno.ErrInfoSchemaChanged, - mysql.Message(errno.MySQLErrName[errno.ErrInfoSchemaChanged].Raw+". "+kv.TxnRetryableMark, nil), "", "") + mysql.Message(errno.MySQLErrName[errno.ErrInfoSchemaChanged].Raw+". "+kv.TxnRetryableMark, nil)) ) diff --git a/executor/insert_common.go b/executor/insert_common.go index d37fa54577843..928b2c8872554 100644 --- a/executor/insert_common.go +++ b/executor/insert_common.go @@ -300,8 +300,6 @@ func (e *InsertValues) handleErr(col *table.Column, val *types.Datum, rowIdx int err = dbterror.ClassTable.NewStdErr( errno.ErrTruncatedWrongValue, mysql.Message("Incorrect %-.32s value: '%-.128s' for column '%.192s' at row %d", nil), - "", - "", ).GenWithStackByArgs(types.TypeStr(colTp), valStr, colName, rowIdx+1) } else if types.ErrTruncatedWrongVal.Equal(err) || types.ErrWrongValue.Equal(err) { valStr, err1 := val.ToString() diff --git a/expression/errors.go b/expression/errors.go index a7315ffe91c96..17d3dcd855735 100644 --- a/expression/errors.go +++ b/expression/errors.go @@ -29,7 +29,7 @@ var ( ErrRegexp = dbterror.ClassExpression.NewStd(mysql.ErrRegexp) ErrOperandColumns = dbterror.ClassExpression.NewStd(mysql.ErrOperandColumns) ErrCutValueGroupConcat = dbterror.ClassExpression.NewStd(mysql.ErrCutValueGroupConcat) - ErrFunctionsNoopImpl = dbterror.ClassExpression.NewStdErr(mysql.ErrNotSupportedYet, pmysql.Message("function %s has only noop implementation in tidb now, use tidb_enable_noop_functions to enable these functions", nil), "", "") + ErrFunctionsNoopImpl = dbterror.ClassExpression.NewStdErr(mysql.ErrNotSupportedYet, pmysql.Message("function %s has only noop implementation in tidb now, use tidb_enable_noop_functions to enable these functions", nil)) ErrInvalidArgumentForLogarithm = dbterror.ClassExpression.NewStd(mysql.ErrInvalidArgumentForLogarithm) ErrIncorrectType = dbterror.ClassExpression.NewStd(mysql.ErrIncorrectType) @@ -39,7 +39,7 @@ var ( errZlibZBuf = dbterror.ClassExpression.NewStd(mysql.ErrZlibZBuf) errIncorrectArgs = dbterror.ClassExpression.NewStd(mysql.ErrWrongArguments) errUnknownCharacterSet = dbterror.ClassExpression.NewStd(mysql.ErrUnknownCharacterSet) - errDefaultValue = dbterror.ClassExpression.NewStdErr(mysql.ErrInvalidDefault, pmysql.Message("invalid default value", nil), "", "") + errDefaultValue = dbterror.ClassExpression.NewStdErr(mysql.ErrInvalidDefault, pmysql.Message("invalid default value", nil)) errDeprecatedSyntaxNoReplacement = dbterror.ClassExpression.NewStd(mysql.ErrWarnDeprecatedSyntaxNoReplacement) errBadField = dbterror.ClassExpression.NewStd(mysql.ErrBadField) errWarnAllowedPacketOverflowed = dbterror.ClassExpression.NewStd(mysql.ErrWarnAllowedPacketOverflowed) diff --git a/go.mod b/go.mod index 0faec312acb97..e3294813c1497 100644 --- a/go.mod +++ b/go.mod @@ -47,13 +47,13 @@ require ( github.com/pingcap/badger v1.5.1-0.20200908111422-2e78ee155d19 github.com/pingcap/br v4.0.0-beta.2.0.20201014031603-5676c8fdad1a+incompatible github.com/pingcap/check v0.0.0-20200212061837-5e12011dc712 - github.com/pingcap/errors v0.11.5-0.20201021055732-210aacd3fd99 + github.com/pingcap/errors v0.11.5-0.20201029093017-5a7df2af2ac7 github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce github.com/pingcap/fn v0.0.0-20200306044125-d5540d389059 github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20201023092649-e6d6090277c9 github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 - github.com/pingcap/parser v0.0.0-20201104071116-b3d18bf9e537 + github.com/pingcap/parser v0.0.0-20201109022253-d384bee1451e github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f diff --git a/go.sum b/go.sum index 2157a7e75ea0d..f577f449a66a7 100644 --- a/go.sum +++ b/go.sum @@ -427,8 +427,8 @@ github.com/pingcap/errors v0.11.0/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTw github.com/pingcap/errors v0.11.4/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8= github.com/pingcap/errors v0.11.5-0.20190809092503-95897b64e011/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8= github.com/pingcap/errors v0.11.5-0.20200902104258-eba4f1d8f6de/go.mod h1:g4vx//d6VakjJ0mk7iLBlKA8LFavV/sAVINT/1PFxeQ= -github.com/pingcap/errors v0.11.5-0.20201021055732-210aacd3fd99 h1:PVuEvTi/LlviMG7X3av44NRwcdPf0tiqL/YdVOIKCpA= -github.com/pingcap/errors v0.11.5-0.20201021055732-210aacd3fd99/go.mod h1:G7x87le1poQzLB/TqvTJI2ILrSgobnq4Ut7luOwvfvI= +github.com/pingcap/errors v0.11.5-0.20201029093017-5a7df2af2ac7 h1:wQKuKP2HUtej2gSvx1cZmY4DENUH6tlOxRkfvPT8EBU= +github.com/pingcap/errors v0.11.5-0.20201029093017-5a7df2af2ac7/go.mod h1:G7x87le1poQzLB/TqvTJI2ILrSgobnq4Ut7luOwvfvI= github.com/pingcap/failpoint v0.0.0-20191029060244-12f4ac2fd11d/go.mod h1:DNS3Qg7bEDhU6EXNHF+XSv/PGznQaMJ5FWvctpm6pQI= github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce h1:Y1kCxlCtlPTMtVcOkjUcuQKh+YrluSo7+7YMCQSzy30= github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce/go.mod h1:w4PEZ5y16LeofeeGwdgZB4ddv9bLyDuIX+ljstgKZyk= @@ -447,8 +447,8 @@ github.com/pingcap/log v0.0.0-20200117041106-d28c14d3b1cd/go.mod h1:4rbK1p9ILyIf github.com/pingcap/log v0.0.0-20200511115504-543df19646ad/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 h1:Jboj+s4jSCp5E1WDgmRUv5rIFKFHaaSWuSZ4wMwXIcc= github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= -github.com/pingcap/parser v0.0.0-20201104071116-b3d18bf9e537 h1:YfUAzfwnHWnhUJVTGB7kMquFJeslYPe2dYq6GvD5o98= -github.com/pingcap/parser v0.0.0-20201104071116-b3d18bf9e537/go.mod h1:74+OEdwM4B/jMpBRl92ch6CSmSYkQtv2TNxIjFdT/GE= +github.com/pingcap/parser v0.0.0-20201109022253-d384bee1451e h1:7AXo1anjf9UqG0dvCy9+onp3bQDJjaN8IkSrKErTv3k= +github.com/pingcap/parser v0.0.0-20201109022253-d384bee1451e/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 h1:b2G/eqDeywtdJF3w9nIUdqMmXChsmpLvf4FzUxJ9Vmk= diff --git a/kv/error.go b/kv/error.go index f429311a6278f..470646bfe50e8 100644 --- a/kv/error.go +++ b/kv/error.go @@ -32,7 +32,7 @@ var ( // When using TiKV as the storage node, the error is returned ONLY when lock not found (txnLockNotFound) in Commit, // subject to change it in the future. ErrTxnRetryable = dbterror.ClassKV.NewStdErr(mysql.ErrTxnRetryable, - pmysql.Message(mysql.MySQLErrName[mysql.ErrTxnRetryable].Raw+TxnRetryableMark, nil), "", "") + pmysql.Message(mysql.MySQLErrName[mysql.ErrTxnRetryable].Raw+TxnRetryableMark, nil)) // ErrCannotSetNilValue is the error when sets an empty value. ErrCannotSetNilValue = dbterror.ClassKV.NewStd(mysql.ErrCannotSetNilValue) // ErrInvalidTxn is the error when commits or rollbacks in an invalid transaction. @@ -47,10 +47,10 @@ var ( ErrNotImplemented = dbterror.ClassKV.NewStd(mysql.ErrNotImplemented) // ErrWriteConflict is the error when the commit meets an write conflict error. ErrWriteConflict = dbterror.ClassKV.NewStdErr(mysql.ErrWriteConflict, - pmysql.Message(mysql.MySQLErrName[mysql.ErrWriteConflict].Raw+" "+TxnRetryableMark, nil), "", "") + pmysql.Message(mysql.MySQLErrName[mysql.ErrWriteConflict].Raw+" "+TxnRetryableMark, nil)) // ErrWriteConflictInTiDB is the error when the commit meets an write conflict error when local latch is enabled. ErrWriteConflictInTiDB = dbterror.ClassKV.NewStdErr(mysql.ErrWriteConflictInTiDB, - pmysql.Message(mysql.MySQLErrName[mysql.ErrWriteConflictInTiDB].Raw+" "+TxnRetryableMark, nil), "", "") + pmysql.Message(mysql.MySQLErrName[mysql.ErrWriteConflictInTiDB].Raw+" "+TxnRetryableMark, nil)) ) // IsTxnRetryableError checks if the error could safely retry the transaction. diff --git a/planner/core/errors.go b/planner/core/errors.go index 2794872c23f61..d2c64af452355 100644 --- a/planner/core/errors.go +++ b/planner/core/errors.go @@ -84,5 +84,5 @@ var ( ErrNotHintUpdatable = dbterror.ClassOptimizer.NewStd(mysql.ErrNotHintUpdatable) ErrWarnConflictingHint = dbterror.ClassOptimizer.NewStd(mysql.ErrWarnConflictingHint) // Since we cannot know if user logged in with a password, use message of ErrAccessDeniedNoPassword instead - ErrAccessDenied = dbterror.ClassOptimizer.NewStdErr(mysql.ErrAccessDenied, mysql.MySQLErrName[mysql.ErrAccessDeniedNoPassword], "", "") + ErrAccessDenied = dbterror.ClassOptimizer.NewStdErr(mysql.ErrAccessDenied, mysql.MySQLErrName[mysql.ErrAccessDeniedNoPassword]) ) diff --git a/server/server.go b/server/server.go index a88ef4161a4ee..f1eb0370c4f63 100644 --- a/server/server.go +++ b/server/server.go @@ -98,7 +98,7 @@ var ( errAccessDenied = dbterror.ClassServer.NewStd(errno.ErrAccessDenied) errConCount = dbterror.ClassServer.NewStd(errno.ErrConCount) errSecureTransportRequired = dbterror.ClassServer.NewStd(errno.ErrSecureTransportRequired) - errMultiStatementDisabled = dbterror.ClassServer.NewStdErr(errno.ErrUnknown, mysql.Message("client has multi-statement capability disabled", nil), "", "") // MySQL returns a parse error + errMultiStatementDisabled = dbterror.ClassServer.NewStdErr(errno.ErrUnknown, mysql.Message("client has multi-statement capability disabled", nil)) // MySQL returns a parse error ) // DefaultCapability is the capability of the server when it is created using the default configuration. diff --git a/types/errors.go b/types/errors.go index 37c53dbb7bc6d..b8033b1e07b7a 100644 --- a/types/errors.go +++ b/types/errors.go @@ -74,7 +74,7 @@ var ( // ErrInvalidWeekModeFormat is returned when the week mode is wrong. ErrInvalidWeekModeFormat = dbterror.ClassTypes.NewStd(mysql.ErrInvalidWeekModeFormat) // ErrWrongValue is returned when the input value is in wrong format. - ErrWrongValue = dbterror.ClassTypes.NewStdErr(mysql.ErrTruncatedWrongValue, mysql.MySQLErrName[mysql.ErrWrongValue], "", "") + ErrWrongValue = dbterror.ClassTypes.NewStdErr(mysql.ErrTruncatedWrongValue, mysql.MySQLErrName[mysql.ErrWrongValue]) // ErrWrongValueForType is returned when the input value is in wrong format for function. - ErrWrongValueForType = dbterror.ClassTypes.NewStdErr(mysql.ErrWrongValueForType, mysql.MySQLErrName[mysql.ErrWrongValueForType], "", "") + ErrWrongValueForType = dbterror.ClassTypes.NewStdErr(mysql.ErrWrongValueForType, mysql.MySQLErrName[mysql.ErrWrongValueForType]) ) diff --git a/util/collate/collate.go b/util/collate/collate.go index 1cdf88529e147..5c251de625f0b 100644 --- a/util/collate/collate.go +++ b/util/collate/collate.go @@ -35,7 +35,7 @@ var ( binCollatorInstance = &binCollator{} // ErrUnsupportedCollation is returned when an unsupported collation is specified. - ErrUnsupportedCollation = dbterror.ClassDDL.NewStdErr(mysql.ErrUnknownCollation, mysql.Message("Unsupported collation when new collation is enabled: '%-.64s'", nil), "", "") + ErrUnsupportedCollation = dbterror.ClassDDL.NewStdErr(mysql.ErrUnknownCollation, mysql.Message("Unsupported collation when new collation is enabled: '%-.64s'", nil)) // ErrIllegalMixCollation is returned when illegal mix of collations. ErrIllegalMixCollation = dbterror.ClassExpression.NewStd(mysql.ErrCantAggregateNcollations) // ErrIllegalMix2Collation is returned when illegal mix of 2 collations. diff --git a/util/dbterror/terror.go b/util/dbterror/terror.go index 23971aeffce72..3f8918efa9ddf 100644 --- a/util/dbterror/terror.go +++ b/util/dbterror/terror.go @@ -52,5 +52,5 @@ var ( // this method is not goroutine-safe and // usually be used in global variable initializer func (ec ErrClass) NewStd(code terror.ErrCode) *terror.Error { - return ec.NewStdErr(code, errno.MySQLErrName[uint16(code)], "", "") + return ec.NewStdErr(code, errno.MySQLErrName[uint16(code)]) } From 4d9d3d8c2622d32c2a0afb1b644129184cca679d Mon Sep 17 00:00:00 2001 From: Yuanjia Zhang Date: Tue, 10 Nov 2020 11:37:37 +0800 Subject: [PATCH 0172/1021] executor: fix panic in `BenchmarkWindowFunctions` `BenchmarkWindowFunctionsWithFrame` and `BenchmarkWindowRows` --- executor/benchmark_test.go | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/executor/benchmark_test.go b/executor/benchmark_test.go index 9a2ec82bd5d5f..7b8b00ae04cbb 100644 --- a/executor/benchmark_test.go +++ b/executor/benchmark_test.go @@ -86,6 +86,10 @@ func (mp *mockDataPhysicalPlan) ExplainID() fmt.Stringer { }) } +func (mp *mockDataPhysicalPlan) ID() int { + return 0 +} + func (mp *mockDataPhysicalPlan) Stats() *property.StatsInfo { return nil } From 658a4ce26a259b4c8bf3c6b1a166d209daac7f8d Mon Sep 17 00:00:00 2001 From: "Zhuomin(Charming) Liu" Date: Tue, 10 Nov 2020 14:25:17 +0800 Subject: [PATCH 0173/1021] executor: fix unexpected results when do index merge join on outer join (#20581) --- executor/index_lookup_merge_join.go | 3 +++ 1 file changed, 3 insertions(+) diff --git a/executor/index_lookup_merge_join.go b/executor/index_lookup_merge_join.go index 964dd39de051f..a16ffca0a771d 100644 --- a/executor/index_lookup_merge_join.go +++ b/executor/index_lookup_merge_join.go @@ -569,6 +569,9 @@ func (imw *innerMergeWorker) doMergeJoin(ctx context.Context, task *lookUpMergeJ for _, outerIdx := range task.outerOrderIdx { outerRow := task.outerResult.GetRow(outerIdx) hasMatch, hasNull, cmpResult := false, false, initCmpResult + if task.outerMatch != nil && !task.outerMatch[outerIdx.ChkIdx][outerIdx.RowIdx] { + goto missMatch + } // If it has iterated out all inner rows and the inner rows with same key is empty, // that means the outer row needn't match any inner rows. if noneInnerRowsRemain && len(task.sameKeyInnerRows) == 0 { From 1702608a6f597a306a601867e195796193c554e0 Mon Sep 17 00:00:00 2001 From: Feng Liyuan Date: Tue, 10 Nov 2020 14:41:20 +0800 Subject: [PATCH 0174/1021] test: ignore lumberjack.v2.(*Logger).millRun in leaktest (#20935) --- util/testleak/leaktest.go | 1 + 1 file changed, 1 insertion(+) diff --git a/util/testleak/leaktest.go b/util/testleak/leaktest.go index f967b2ffeefef..f465f951bf621 100644 --- a/util/testleak/leaktest.go +++ b/util/testleak/leaktest.go @@ -51,6 +51,7 @@ func interestingGoroutines() (gs []string) { "interestingGoroutines", "runtime.MHeap_Scavenger", "created by os/signal.init", + "gopkg.in/natefinch/lumberjack%2ev2.(*Logger).millRun", // these go routines are async terminated, so they may still alive after test end, thus cause // false positive leak failures "google.golang.org/grpc.(*addrConn).resetTransport", From 9007614f9539fa12fae6f1b4aed3f29a2dea1b1e Mon Sep 17 00:00:00 2001 From: Lenshood <7877221+LENSHOOD@users.noreply.github.com> Date: Tue, 10 Nov 2020 17:51:12 +0800 Subject: [PATCH 0175/1021] executor: fix wrong is-null result of ShowExec.fetchShowIndex (#20287) --- executor/seqtest/seq_executor_test.go | 18 +++++++++--------- executor/show.go | 4 ++-- executor/show_test.go | 21 +++++++++++++++++++++ 3 files changed, 32 insertions(+), 11 deletions(-) diff --git a/executor/seqtest/seq_executor_test.go b/executor/seqtest/seq_executor_test.go index c8dffeb118d1a..5fb2883ad770d 100644 --- a/executor/seqtest/seq_executor_test.go +++ b/executor/seqtest/seq_executor_test.go @@ -320,15 +320,15 @@ func (s *seqTestSuite) TestShow(c *C) { tk.MustQuery(testSQL).Check(testutil.RowsWithSep("|", "show_index|0|PRIMARY|1|id|A|0||||BTREE| |YES|NULL", "show_index|1|cIdx|1|c|A|0|||YES|HASH||index_comment_for_cIdx|YES|NULL", - "show_index|1|idx1|1|id|A|0|||YES|HASH| |YES|NULL", - "show_index|1|idx2|1|id|A|0|||YES|BTREE||idx|YES|NULL", - "show_index|1|idx3|1|id|A|0|||YES|HASH||idx|YES|NULL", - "show_index|1|idx4|1|id|A|0|||YES|BTREE||idx|YES|NULL", - "show_index|1|idx5|1|id|A|0|||YES|BTREE||idx|YES|NULL", - "show_index|1|idx6|1|id|A|0|||YES|HASH| |YES|NULL", - "show_index|1|idx7|1|id|A|0|||YES|BTREE| |YES|NULL", - "show_index|1|idx8|1|id|A|0|||YES|BTREE| |YES|NULL", - "show_index|1|idx9|1|id|A|0|||YES|BTREE| |NO|NULL", + "show_index|1|idx1|1|id|A|0||||HASH| |YES|NULL", + "show_index|1|idx2|1|id|A|0||||BTREE||idx|YES|NULL", + "show_index|1|idx3|1|id|A|0||||HASH||idx|YES|NULL", + "show_index|1|idx4|1|id|A|0||||BTREE||idx|YES|NULL", + "show_index|1|idx5|1|id|A|0||||BTREE||idx|YES|NULL", + "show_index|1|idx6|1|id|A|0||||HASH| |YES|NULL", + "show_index|1|idx7|1|id|A|0||||BTREE| |YES|NULL", + "show_index|1|idx8|1|id|A|0||||BTREE| |YES|NULL", + "show_index|1|idx9|1|id|A|0||||BTREE| |NO|NULL", "show_index|1|expr_idx|1|NULL|A|0|||YES|BTREE| |YES|(`id` * 2 + 1)", )) diff --git a/executor/show.go b/executor/show.go index cdb815dce0bcd..32be7fe2cdf9c 100644 --- a/executor/show.go +++ b/executor/show.go @@ -587,8 +587,9 @@ func (e *ShowExec) fetchShowIndex() error { subPart = col.Length } + tblCol := tb.Meta().Columns[col.Offset] nullVal := "YES" - if idx.Meta().Name.O == mysql.PrimaryKeyName { + if mysql.HasNotNullFlag(tblCol.Flag) { nullVal = "" } @@ -599,7 +600,6 @@ func (e *ShowExec) fetchShowIndex() error { colName := col.Name.O expression := "NULL" - tblCol := tb.Meta().Columns[col.Offset] if tblCol.Hidden { colName = "NULL" expression = fmt.Sprintf("(%s)", tblCol.GeneratedExprString) diff --git a/executor/show_test.go b/executor/show_test.go index d413eb86e6cc0..eba46c29b0af7 100644 --- a/executor/show_test.go +++ b/executor/show_test.go @@ -1169,3 +1169,24 @@ func (s *testSuite5) TestShowVar(c *C) { } } } + +func (s *testSuite5) TestIssue19507(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("CREATE TABLE t2(a int primary key, b int unique, c int not null, unique index (c));") + tk.MustQuery("SHOW INDEX IN t2;").Check( + testutil.RowsWithSep("|", "t2|0|PRIMARY|1|a|A|0||||BTREE|||YES|NULL", + "t2|0|c|1|c|A|0||||BTREE|||YES|NULL", + "t2|0|b|1|b|A|0|||YES|BTREE|||YES|NULL")) + + tk.MustExec("CREATE INDEX t2_b_c_index ON t2 (b, c);") + tk.MustExec("CREATE INDEX t2_c_b_index ON t2 (c, b);") + tk.MustQuery("SHOW INDEX IN t2;").Check( + testutil.RowsWithSep("|", "t2|0|PRIMARY|1|a|A|0||||BTREE|||YES|NULL", + "t2|0|c|1|c|A|0||||BTREE|||YES|NULL", + "t2|0|b|1|b|A|0|||YES|BTREE|||YES|NULL", + "t2|1|t2_b_c_index|1|b|A|0|||YES|BTREE|||YES|NULL", + "t2|1|t2_b_c_index|2|c|A|0||||BTREE|||YES|NULL", + "t2|1|t2_c_b_index|1|c|A|0||||BTREE|||YES|NULL", + "t2|1|t2_c_b_index|2|b|A|0|||YES|BTREE|||YES|NULL")) +} From 4f481bead075d475ad59666689fa6794f76c5fe2 Mon Sep 17 00:00:00 2001 From: xufei Date: Tue, 10 Nov 2020 20:01:11 +0800 Subject: [PATCH 0176/1021] planner: enable broadcast join when new collation is on (#20950) --- planner/core/exhaust_physical_plans.go | 6 +----- planner/core/physical_plans.go | 1 + planner/core/plan_to_pb.go | 12 ++++++++++++ 3 files changed, 14 insertions(+), 5 deletions(-) diff --git a/planner/core/exhaust_physical_plans.go b/planner/core/exhaust_physical_plans.go index 463e346889fcb..dfd9d78b7b774 100644 --- a/planner/core/exhaust_physical_plans.go +++ b/planner/core/exhaust_physical_plans.go @@ -32,7 +32,6 @@ import ( "github.com/pingcap/tidb/statistics" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" - "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/plancodec" "github.com/pingcap/tidb/util/ranger" @@ -1614,10 +1613,6 @@ func (p *LogicalJoin) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([]P } func (p *LogicalJoin) tryToGetBroadCastJoin(prop *property.PhysicalProperty) []PhysicalPlan { - /// todo remove this restriction after join on new collation is supported in TiFlash - if collate.NewCollationEnabled() { - return nil - } if !prop.IsEmpty() { return nil } @@ -1713,6 +1708,7 @@ func (p *LogicalJoin) tryToGetBroadCastJoinByPreferGlobalIdx(prop *property.Phys join := PhysicalBroadCastJoin{ basePhysicalJoin: baseJoin, + EqualConditions: p.EqualConditions, globalChildIndex: preferredGlobalIndex, }.Init(p.ctx, p.stats.ScaleByExpectCnt(prop.ExpectedCnt), p.blockOffset, childrenReqProps...) return []PhysicalPlan{join} diff --git a/planner/core/physical_plans.go b/planner/core/physical_plans.go index a750a54e52a71..832e9a452de05 100644 --- a/planner/core/physical_plans.go +++ b/planner/core/physical_plans.go @@ -835,6 +835,7 @@ type PhysicalMergeJoin struct { // PhysicalBroadCastJoin only works for TiFlash Engine, which broadcast the small table to every replica of probe side of tables. type PhysicalBroadCastJoin struct { basePhysicalJoin + EqualConditions []*expression.ScalarFunction globalChildIndex int } diff --git a/planner/core/plan_to_pb.go b/planner/core/plan_to_pb.go index 0cf508843b5ee..bc63e87e52773 100644 --- a/planner/core/plan_to_pb.go +++ b/planner/core/plan_to_pb.go @@ -285,12 +285,24 @@ func (p *PhysicalBroadCastJoin) ToPB(ctx sessionctx.Context, storeType kv.StoreT case AntiLeftOuterSemiJoin: pbJoinType = tipb.JoinType_TypeAntiLeftOuterSemiJoin } + probeFiledTypes := make([]*tipb.FieldType, 0, len(p.EqualConditions)) + buildFiledTypes := make([]*tipb.FieldType, 0, len(p.EqualConditions)) + for _, equalCondition := range p.EqualConditions { + retType := equalCondition.RetType.Clone() + chs, coll := equalCondition.CharsetAndCollation(ctx) + retType.Charset = chs + retType.Collate = coll + probeFiledTypes = append(probeFiledTypes, expression.ToPBFieldType(retType)) + buildFiledTypes = append(buildFiledTypes, expression.ToPBFieldType(retType)) + } join := &tipb.Join{ JoinType: pbJoinType, JoinExecType: tipb.JoinExecType_TypeHashJoin, InnerIdx: int64(p.InnerChildIdx), LeftJoinKeys: left, RightJoinKeys: right, + ProbeTypes: probeFiledTypes, + BuildTypes: buildFiledTypes, LeftConditions: leftConditions, RightConditions: rightConditions, OtherConditions: otherConditions, From 875f9326185acdf3a48300c839f11dd88294407a Mon Sep 17 00:00:00 2001 From: Zejun Li Date: Tue, 10 Nov 2020 23:57:48 +0800 Subject: [PATCH 0177/1021] test: fix testPointGetSuite.TestIssue20692 timeout (#20962) --- planner/core/point_get_plan_test.go | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/planner/core/point_get_plan_test.go b/planner/core/point_get_plan_test.go index 288f30099dcd9..951d13bca53ce 100644 --- a/planner/core/point_get_plan_test.go +++ b/planner/core/point_get_plan_test.go @@ -18,7 +18,6 @@ import ( "fmt" "math" "strings" - "sync" "time" . "github.com/pingcap/check" @@ -497,23 +496,25 @@ func (s *testPointGetSuite) TestIssue20692(c *C) { tk3.MustExec("begin pessimistic;") tk3.MustExec("use test") tk1.MustExec("delete from t where id = 1 and v = 1 and vv = 1;") - var stop1 sync.WaitGroup - stop1.Add(1) + stop1, stop2 := make(chan struct{}), make(chan struct{}) go func() { tk2.MustExec("insert into t values(1, 2, 3, 4);") - stop1.Done() - }() - time.Sleep(50 * time.Millisecond) - var stop2 sync.WaitGroup - stop2.Add(1) - go func() { + stop1 <- struct{}{} tk3.MustExec("update t set id = 10, v = 20, vv = 30, vvv = 40 where id = 1 and v = 2 and vv = 3;") - stop2.Done() + stop2 <- struct{}{} }() tk1.MustExec("commit;") - stop1.Wait() + <-stop1 + + // wait 50ms to ensure tk3 is blocked by tk2 + select { + case <-stop2: + c.Fail() + case <-time.After(50 * time.Millisecond): + } + tk2.MustExec("commit;") - stop2.Wait() + <-stop2 tk3.MustExec("commit;") tk3.MustQuery("select * from t;").Check(testkit.Rows("10 20 30 40")) } From ee77412f54f8c4b315cc9f4a9f94328ce70dc561 Mon Sep 17 00:00:00 2001 From: Jason Peng Date: Wed, 11 Nov 2020 10:41:49 +0800 Subject: [PATCH 0178/1021] executor, kv, store/tikv: support cache for point select (#20396) --- ddl/ddl_api.go | 1 + executor/point_get.go | 30 +++++++++++++- executor/point_get_test.go | 62 ++++++++++++++++++++++++++++ kv/cachedb.go | 82 ++++++++++++++++++++++++++++++++++++++ kv/interface_mock_test.go | 4 ++ kv/kv.go | 2 + store/tikv/kv.go | 8 +++- util/mock/store.go | 5 +++ 8 files changed, 191 insertions(+), 3 deletions(-) create mode 100644 kv/cachedb.go diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 3917511e951e5..f7acacd7d4ff6 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -5448,6 +5448,7 @@ func (d *ddl) UnlockTables(ctx sessionctx.Context, unlockTables []model.TableLoc err := d.doDDLJob(ctx, job) if err == nil { ctx.ReleaseAllTableLocks() + ctx.GetStore().GetMemCache().Release() } err = d.callHookOnChanged(err) return errors.Trace(err) diff --git a/executor/point_get.go b/executor/point_get.go index 6ba00bb7bc24c..1dab17890b9ec 100644 --- a/executor/point_get.go +++ b/executor/point_get.go @@ -318,10 +318,16 @@ func (e *PointGetExecutor) get(ctx context.Context, key kv.Key) ([]byte, error) if len(key) == 0 { return nil, kv.ErrNotExist } + + var ( + val []byte + err error + ) + if e.txn.Valid() && !e.txn.IsReadOnly() { // We cannot use txn.Get directly here because the snapshot in txn and the snapshot of e.snapshot may be // different for pessimistic transaction. - val, err := e.txn.GetMemBuffer().Get(ctx, key) + val, err = e.txn.GetMemBuffer().Get(ctx, key) if err == nil { return val, err } @@ -336,7 +342,27 @@ func (e *PointGetExecutor) get(ctx context.Context, key kv.Key) ([]byte, error) } // fallthrough to snapshot get. } - return e.snapshot.Get(ctx, key) + + isLocked := e.tblInfo.IsLocked() + if !isLocked || e.tblInfo.Lock.Tp != model.TableLockRead { // if not read lock or table was unlock then snapshot get + return e.snapshot.Get(ctx, key) + } + + cacheDB := e.ctx.GetStore().GetMemCache() + val = cacheDB.Get(ctx, e.tblInfo.ID, key) + // key does not exist then get from snapshot and set to cache + if val == nil { + val, err = e.snapshot.Get(ctx, key) + if err != nil { + return nil, err + } + + err := cacheDB.Set(e.tblInfo.ID, key, val) + if err != nil { + return nil, err + } + } + return val, nil } // EncodeUniqueIndexKey encodes a unique index key. diff --git a/executor/point_get_test.go b/executor/point_get_test.go index d514455fad8e4..c58ecc1218547 100644 --- a/executor/point_get_test.go +++ b/executor/point_get_test.go @@ -16,10 +16,12 @@ package executor_test import ( "context" "fmt" + "strings" "time" . "github.com/pingcap/check" "github.com/pingcap/parser/terror" + "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/session" @@ -594,3 +596,63 @@ func (s *testPointGetSuite) TestClusterIndexCBOPointGet(c *C) { res.Check(testkit.Rows(output[i].Res...)) } } + +func (s *testPointGetSuite) TestPointGetReadLock(c *C) { + config.UpdateGlobal(func(conf *config.Config) { + conf.EnableTableLock = true + }) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("create table point (id int primary key, c int, d varchar(10), unique c_d (c, d))") + tk.MustExec("insert point values (1, 1, 'a')") + tk.MustExec("insert point values (2, 2, 'b')") + tk.MustExec("lock tables point read") + + rows := tk.MustQuery("explain analyze select * from point where id = 1").Rows() + c.Assert(len(rows), Equals, 1) + explain := fmt.Sprintf("%v", rows[0]) + c.Assert(explain, Matches, ".*num_rpc.*") + + rows = tk.MustQuery("explain analyze select * from point where id = 1").Rows() + c.Assert(len(rows), Equals, 1) + explain = fmt.Sprintf("%v", rows[0]) + ok := strings.Contains(explain, "num_rpc") + c.Assert(ok, IsFalse) + tk.MustExec("unlock tables") + + rows = tk.MustQuery("explain analyze select * from point where id = 1").Rows() + c.Assert(len(rows), Equals, 1) + explain = fmt.Sprintf("%v", rows[0]) + c.Assert(explain, Matches, ".*num_rpc.*") +} + +func (s *testPointGetSuite) TestPointGetWriteLock(c *C) { + config.UpdateGlobal(func(conf *config.Config) { + conf.EnableTableLock = true + }) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("create table point (id int primary key, c int, d varchar(10), unique c_d (c, d))") + tk.MustExec("insert point values (1, 1, 'a')") + tk.MustExec("insert point values (2, 2, 'b')") + tk.MustExec("lock tables point write") + tk.MustQuery(`select * from point where id = 1;`).Check(testkit.Rows( + `1 1 a`, + )) + rows := tk.MustQuery("explain analyze select * from point where id = 1").Rows() + c.Assert(len(rows), Equals, 1) + explain := fmt.Sprintf("%v", rows[0]) + c.Assert(explain, Matches, ".*num_rpc.*") + tk.MustExec("unlock tables") + + tk.MustExec("update point set c = 3 where id = 1") + tk.MustExec("lock tables point write") + tk.MustQuery(`select * from point where id = 1;`).Check(testkit.Rows( + `1 3 a`, + )) + rows = tk.MustQuery("explain analyze select * from point where id = 1").Rows() + c.Assert(len(rows), Equals, 1) + explain = fmt.Sprintf("%v", rows[0]) + c.Assert(explain, Matches, ".*num_rpc.*") + tk.MustExec("unlock tables") +} diff --git a/kv/cachedb.go b/kv/cachedb.go new file mode 100644 index 0000000000000..f6701131df25a --- /dev/null +++ b/kv/cachedb.go @@ -0,0 +1,82 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package kv + +import ( + "context" + "sync" +) + +type ( + cachedb struct { + mu sync.RWMutex + memTables map[int64]*memdb + } + + // MemManager add in executor and tikv for reduce query tikv + MemManager interface { + Set(tableID int64, key Key, value []byte) error + Get(ctx context.Context, tableID int64, key Key) []byte + Release() + } +) + +// Set set value in cache +func (c *cachedb) Set(tableID int64, key Key, value []byte) error { + c.mu.Lock() + defer c.mu.Unlock() + table, ok := c.memTables[tableID] + if !ok { + table = newMemDB() + c.memTables[tableID] = table + } + + err := table.Set(key, value) + if err != nil { + return err + } + + return nil +} + +// Get gets value from memory +func (c *cachedb) Get(ctx context.Context, tableID int64, key Key) []byte { + c.mu.RLock() + defer c.mu.RUnlock() + if table, ok := c.memTables[tableID]; ok { + if val, err := table.Get(ctx, key); err == nil { + return val + } + return nil + } + + return nil +} + +// Release release memory for DDL unlock table and remove in cache tables +func (c *cachedb) Release() { + c.mu.Lock() + for _, v := range c.memTables { + v.Reset() + } + c.memTables = make(map[int64]*memdb) + c.mu.Unlock() +} + +// NewCacheDB new cachedb +func NewCacheDB() MemManager { + mm := new(cachedb) + mm.memTables = make(map[int64]*memdb) + return mm +} diff --git a/kv/interface_mock_test.go b/kv/interface_mock_test.go index 470665bda4460..79a2df1cf6adf 100644 --- a/kv/interface_mock_test.go +++ b/kv/interface_mock_test.go @@ -205,6 +205,10 @@ func (s *mockStorage) ShowStatus(ctx context.Context, key string) (interface{}, return nil, nil } +func (s *mockStorage) GetMemCache() MemManager { + return nil +} + // newMockStorage creates a new mockStorage. func newMockStorage() Storage { return &mockStorage{} diff --git a/kv/kv.go b/kv/kv.go index 69b0a7e7aaa5d..0107f5db29a2e 100644 --- a/kv/kv.go +++ b/kv/kv.go @@ -477,6 +477,8 @@ type Storage interface { Describe() string // ShowStatus returns the specified status of the storage ShowStatus(ctx context.Context, key string) (interface{}, error) + // GetMemCache return memory mamager of the storage + GetMemCache() MemManager } // FnKeyCmp is the function for iterator the keys diff --git a/store/tikv/kv.go b/store/tikv/kv.go index 4ea21cfd0227c..a553403af6f5f 100644 --- a/store/tikv/kv.go +++ b/store/tikv/kv.go @@ -164,7 +164,8 @@ type tikvStore struct { spMutex sync.RWMutex // this is used to update safePoint and spTime closed chan struct{} // this is used to nofity when the store is closed - replicaReadSeed uint32 // this is used to load balance followers / learners when replica read is enabled + replicaReadSeed uint32 // this is used to load balance followers / learners when replica read is enabled + memCache kv.MemManager // this is used to query from memory } func (s *tikvStore) UpdateSPCache(cachedSP uint64, cachedTime time.Time) { @@ -212,6 +213,7 @@ func newTikvStore(uuid string, pdClient pd.Client, spkv SafePointKV, client Clie spTime: time.Now(), closed: make(chan struct{}), replicaReadSeed: fastrand.Uint32(), + memCache: kv.NewCacheDB(), } store.lockResolver = newLockResolver(store) store.enableGC = enableGC @@ -490,6 +492,10 @@ func (s *tikvStore) GetTiKVClient() (client Client) { return s.client } +func (s *tikvStore) GetMemCache() kv.MemManager { + return s.memCache +} + func init() { mc.cache = make(map[string]*tikvStore) rand.Seed(time.Now().UnixNano()) diff --git a/util/mock/store.go b/util/mock/store.go index ff33f1d9f9261..374f25ece5225 100644 --- a/util/mock/store.go +++ b/util/mock/store.go @@ -63,5 +63,10 @@ func (s *Store) Describe() string { return "UtilMockStorage is a mock Store implementation, only for unittests in util package" } +// GetMemCache implements kv.Storage interface +func (s *Store) GetMemCache() kv.MemManager { + return nil +} + // ShowStatus implements kv.Storage interface. func (s *Store) ShowStatus(ctx context.Context, key string) (interface{}, error) { return nil, nil } From 611d24911ec1653c456a196bd986ac1b263b3b1f Mon Sep 17 00:00:00 2001 From: Song Gao Date: Wed, 11 Nov 2020 11:07:15 +0800 Subject: [PATCH 0179/1021] store, executor: Fix TestCoprocessorOOMAction may get stuck. (#20897) --- executor/executor_test.go | 2 +- store/tikv/coprocessor.go | 16 ++++++++++++++-- 2 files changed, 15 insertions(+), 3 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index abc8f16ed8ead..fd14a4427a41f 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6683,7 +6683,7 @@ func (s *testSerialSuite) TestCoprocessorOOMAction(c *C) { c.Check(err, IsNil) tk.Se = se tk.MustExec("use test") - tk.MustExec("set @@tidb_distsql_scan_concurrency = 2") + tk.MustExec("set @@tidb_distsql_scan_concurrency = 4") tk.MustExec(fmt.Sprintf("set @@tidb_mem_quota_query=%v;", quota)) var expect []string for i := 0; i < count; i++ { diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go index cdce2a302a2ca..ce2dd2019e909 100644 --- a/store/tikv/coprocessor.go +++ b/store/tikv/coprocessor.go @@ -516,8 +516,16 @@ const minLogCopTaskTime = 300 * time.Millisecond // send the result back. func (worker *copIteratorWorker) run(ctx context.Context) { defer func() { - worker.actionOnExceed.close() worker.wg.Done() + failpoint.Inject("testRateLimitActionMockWaitMax", func(val failpoint.Value) { + if val.(bool) { + // we need to prevent action from being closed before triggering action yet + for worker.actionOnExceed.isEnabled() { + time.Sleep(10 * time.Millisecond) + } + } + }) + worker.actionOnExceed.close() }() for task := range worker.taskCh { respCh := worker.respChan @@ -692,7 +700,11 @@ func (it *copIterator) Next(ctx context.Context) (kv.ResultSubset, error) { // wait unit at least 5 copResponse received. failpoint.Inject("testRateLimitActionMockWaitMax", func(val failpoint.Value) { if val.(bool) { - for it.memTracker.MaxConsumed() < 500 { + // we only need to trigger oom at least once. + if len(it.tasks) > 9 { + for it.memTracker.MaxConsumed() < 500 { + time.Sleep(10 * time.Millisecond) + } } } }) From c554481392b73000a2c4c60da7c15d9ac77a5dec Mon Sep 17 00:00:00 2001 From: Zejun Li Date: Wed, 11 Nov 2020 13:11:40 +0800 Subject: [PATCH 0180/1021] executor: update memory usage in batch insert/delete (#20866) --- executor/delete.go | 20 ++++++++++++++++---- executor/insert_common.go | 5 +++++ 2 files changed, 21 insertions(+), 4 deletions(-) diff --git a/executor/delete.go b/executor/delete.go index 03e2558f55f2b..1fe9c26b8ac82 100644 --- a/executor/delete.go +++ b/executor/delete.go @@ -102,10 +102,8 @@ func (e *DeleteExec) deleteSingleTableByChunk(ctx context.Context) error { e.memTracker.Consume(memUsageOfChk) for chunkRow := iter.Begin(); chunkRow != iter.End(); chunkRow = iter.Next() { if batchDelete && rowCount >= batchDMLSize { - e.ctx.StmtCommit() - if err = e.ctx.NewTxn(ctx); err != nil { - // We should return a special error for batch insert. - return ErrBatchInsertFail.GenWithStack("BatchDelete failed with error: %v", err) + if err := e.doBatchDelete(ctx); err != nil { + return err } rowCount = 0 } @@ -123,6 +121,20 @@ func (e *DeleteExec) deleteSingleTableByChunk(ctx context.Context) error { return nil } +func (e *DeleteExec) doBatchDelete(ctx context.Context) error { + txn, err := e.ctx.Txn(false) + if err != nil { + return ErrBatchInsertFail.GenWithStack("BatchDelete failed with error: %v", err) + } + e.memTracker.Consume(-int64(txn.Size())) + e.ctx.StmtCommit() + if err := e.ctx.NewTxn(ctx); err != nil { + // We should return a special error for batch insert. + return ErrBatchInsertFail.GenWithStack("BatchDelete failed with error: %v", err) + } + return nil +} + func (e *DeleteExec) composeTblRowMap(tblRowMap tableRowMapType, colPosInfos []plannercore.TblColPosInfo, joinedRow []types.Datum) error { // iterate all the joined tables, and got the copresonding rows in joinedRow. for _, info := range colPosInfos { diff --git a/executor/insert_common.go b/executor/insert_common.go index 928b2c8872554..c920e5e7e2c39 100644 --- a/executor/insert_common.go +++ b/executor/insert_common.go @@ -476,6 +476,11 @@ func insertRowsFromSelect(ctx context.Context, base insertCommon) error { } func (e *InsertValues) doBatchInsert(ctx context.Context) error { + txn, err := e.ctx.Txn(false) + if err != nil { + return ErrBatchInsertFail.GenWithStack("BatchInsert failed with error: %v", err) + } + e.memTracker.Consume(-int64(txn.Size())) e.ctx.StmtCommit() if err := e.ctx.NewTxn(ctx); err != nil { // We should return a special error for batch insert. From a338e359329053bd1246e33ac89da78d0daca26d Mon Sep 17 00:00:00 2001 From: "Zhuomin(Charming) Liu" Date: Wed, 11 Nov 2020 14:10:34 +0800 Subject: [PATCH 0181/1021] expression: fix wrong inferred type for sum and avg (#20926) --- cmd/explaintest/r/explain_complex.result | 2 +- .../r/explain_complex_stats.result | 2 +- cmd/explaintest/r/explain_easy.result | 2 +- cmd/explaintest/r/generated_columns.result | 8 ++--- cmd/explaintest/r/select.result | 4 +-- cmd/explaintest/r/tpch.result | 2 +- cmd/explaintest/r/window_function.result | 32 +++++++++---------- expression/aggregation/base_func.go | 16 ++++++++-- expression/typeinfer_test.go | 12 +++---- .../testdata/integration_suite_out.json | 14 ++++---- planner/core/testdata/plan_suite_out.json | 21 ++++++------ .../testdata/plan_suite_unexported_out.json | 4 +-- planner/core/testdata/stats_suite_out.json | 2 +- 13 files changed, 67 insertions(+), 54 deletions(-) diff --git a/cmd/explaintest/r/explain_complex.result b/cmd/explaintest/r/explain_complex.result index 182da4881581e..8d66939ba7c01 100644 --- a/cmd/explaintest/r/explain_complex.result +++ b/cmd/explaintest/r/explain_complex.result @@ -181,7 +181,7 @@ CREATE TABLE `tbl_009` (`a` int, `b` int); explain select sum(a) from (select * from tbl_001 union all select * from tbl_002 union all select * from tbl_003 union all select * from tbl_004 union all select * from tbl_005 union all select * from tbl_006 union all select * from tbl_007 union all select * from tbl_008 union all select * from tbl_009) x group by b; id estRows task access object operator info HashAgg_34 72000.00 root group by:Column#32, funcs:sum(Column#31)->Column#30 -└─Projection_63 90000.00 root cast(Column#28, decimal(65,0) BINARY)->Column#31, Column#29 +└─Projection_63 90000.00 root cast(Column#28, decimal(32,0) BINARY)->Column#31, Column#29 └─Union_35 90000.00 root ├─TableReader_38 10000.00 root data:TableFullScan_37 │ └─TableFullScan_37 10000.00 cop[tikv] table:tbl_001 keep order:false, stats:pseudo diff --git a/cmd/explaintest/r/explain_complex_stats.result b/cmd/explaintest/r/explain_complex_stats.result index 6aac4462e7763..ed307ab8dcb1b 100644 --- a/cmd/explaintest/r/explain_complex_stats.result +++ b/cmd/explaintest/r/explain_complex_stats.result @@ -206,7 +206,7 @@ load stats 's/explain_complex_stats_tbl_009.json'; explain select sum(a) from (select * from tbl_001 union all select * from tbl_002 union all select * from tbl_003 union all select * from tbl_004 union all select * from tbl_005 union all select * from tbl_006 union all select * from tbl_007 union all select * from tbl_008 union all select * from tbl_009) x group by b; id estRows task access object operator info HashAgg_34 18000.00 root group by:Column#32, funcs:sum(Column#31)->Column#30 -└─Projection_63 18000.00 root cast(Column#28, decimal(65,0) BINARY)->Column#31, Column#29 +└─Projection_63 18000.00 root cast(Column#28, decimal(32,0) BINARY)->Column#31, Column#29 └─Union_35 18000.00 root ├─TableReader_38 2000.00 root data:TableFullScan_37 │ └─TableFullScan_37 2000.00 cop[tikv] table:tbl_001 keep order:false diff --git a/cmd/explaintest/r/explain_easy.result b/cmd/explaintest/r/explain_easy.result index bad869a4f35c1..a1238a8f4b9b0 100644 --- a/cmd/explaintest/r/explain_easy.result +++ b/cmd/explaintest/r/explain_easy.result @@ -747,7 +747,7 @@ explain select a, b from (select a, b, avg(b) over (partition by a)as avg_b from id estRows task access object operator info Projection_8 2666.67 root test.t.a, test.t.b └─Selection_9 2666.67 root gt(cast(test.t.a), Column#5), lt(test.t.b, 10) - └─Window_10 3333.33 root avg(cast(test.t.b, decimal(65,4) BINARY))->Column#5 over(partition by test.t.a) + └─Window_10 3333.33 root avg(cast(test.t.b, decimal(15,4) BINARY))->Column#5 over(partition by test.t.a) └─Sort_14 3333.33 root test.t.a └─TableReader_13 3333.33 root data:Selection_12 └─Selection_12 3333.33 cop[tikv] gt(test.t.a, 10) diff --git a/cmd/explaintest/r/generated_columns.result b/cmd/explaintest/r/generated_columns.result index 7ab25230bd2ec..590d5141307d3 100644 --- a/cmd/explaintest/r/generated_columns.result +++ b/cmd/explaintest/r/generated_columns.result @@ -159,7 +159,7 @@ INSERT INTO t1 (a) VALUES (2), (1), (1), (3), (NULL); EXPLAIN SELECT sum(a) FROM t1 GROUP BY b; id estRows task access object operator info HashAgg_5 8000.00 root group by:Column#7, funcs:sum(Column#6)->Column#5 -└─Projection_12 10000.00 root cast(test.t1.a, decimal(65,0) BINARY)->Column#6, test.t1.b +└─Projection_12 10000.00 root cast(test.t1.a, decimal(32,0) BINARY)->Column#6, test.t1.b └─TableReader_9 10000.00 root data:TableFullScan_8 └─TableFullScan_8 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo EXPLAIN SELECT sum(a) FROM t1 GROUP BY c; @@ -171,13 +171,13 @@ HashAgg_11 8000.00 root group by:test.t1.c, funcs:sum(Column#6)->Column#5 EXPLAIN SELECT sum(b) FROM t1 GROUP BY a; id estRows task access object operator info HashAgg_5 8000.00 root group by:Column#7, funcs:sum(Column#6)->Column#5 -└─Projection_12 10000.00 root cast(test.t1.b, decimal(65,0) BINARY)->Column#6, test.t1.a +└─Projection_12 10000.00 root cast(test.t1.b, decimal(32,0) BINARY)->Column#6, test.t1.a └─TableReader_9 10000.00 root data:TableFullScan_8 └─TableFullScan_8 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo EXPLAIN SELECT sum(b) FROM t1 GROUP BY c; id estRows task access object operator info HashAgg_5 8000.00 root group by:Column#9, funcs:sum(Column#8)->Column#5 -└─Projection_18 10000.00 root cast(test.t1.b, decimal(65,0) BINARY)->Column#8, test.t1.c +└─Projection_18 10000.00 root cast(test.t1.b, decimal(32,0) BINARY)->Column#8, test.t1.c └─TableReader_11 10000.00 root data:TableFullScan_10 └─TableFullScan_10 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo EXPLAIN SELECT sum(c) FROM t1 GROUP BY a; @@ -189,7 +189,7 @@ HashAgg_9 8000.00 root group by:test.t1.a, funcs:sum(Column#6)->Column#5 EXPLAIN SELECT sum(c) FROM t1 GROUP BY b; id estRows task access object operator info HashAgg_5 8000.00 root group by:Column#7, funcs:sum(Column#6)->Column#5 -└─Projection_12 10000.00 root cast(test.t1.c, decimal(65,0) BINARY)->Column#6, test.t1.b +└─Projection_12 10000.00 root cast(test.t1.c, decimal(32,0) BINARY)->Column#6, test.t1.b └─TableReader_9 10000.00 root data:TableFullScan_8 └─TableFullScan_8 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo DROP TABLE IF EXISTS tu; diff --git a/cmd/explaintest/r/select.result b/cmd/explaintest/r/select.result index 612ebd3b2a6ae..25e6695818f1e 100644 --- a/cmd/explaintest/r/select.result +++ b/cmd/explaintest/r/select.result @@ -377,7 +377,7 @@ id estRows task access object operator info Projection_8 10000.00 root and(or(or(gt(Column#8, 1), ne(test.t.a, Column#7)), if(ne(Column#9, 0), , 0)), and(ne(Column#10, 0), if(isnull(test.t.a), , 1)))->Column#11 └─HashJoin_9 10000.00 root CARTESIAN inner join ├─StreamAgg_14(Build) 1.00 root funcs:max(Column#13)->Column#7, funcs:count(distinct Column#14)->Column#8, funcs:sum(Column#15)->Column#9, funcs:count(1)->Column#10 - │ └─Projection_19 10000.00 root test.t.a, test.t.a, cast(isnull(test.t.a), decimal(65,0) BINARY)->Column#15 + │ └─Projection_19 10000.00 root test.t.a, test.t.a, cast(isnull(test.t.a), decimal(22,0) BINARY)->Column#15 │ └─TableReader_18 10000.00 root data:TableFullScan_17 │ └─TableFullScan_17 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo └─TableReader_12(Probe) 10000.00 root data:TableFullScan_11 @@ -387,7 +387,7 @@ id estRows task access object operator info Projection_8 10000.00 root or(and(and(le(Column#8, 1), eq(test.t.a, Column#7)), if(ne(Column#9, 0), , 1)), or(eq(Column#10, 0), if(isnull(test.t.a), , 0)))->Column#11 └─HashJoin_9 10000.00 root CARTESIAN inner join ├─StreamAgg_14(Build) 1.00 root funcs:firstrow(Column#13)->Column#7, funcs:count(distinct Column#14)->Column#8, funcs:sum(Column#15)->Column#9, funcs:count(1)->Column#10 - │ └─Projection_19 10000.00 root test.t.a, test.t.a, cast(isnull(test.t.a), decimal(65,0) BINARY)->Column#15 + │ └─Projection_19 10000.00 root test.t.a, test.t.a, cast(isnull(test.t.a), decimal(22,0) BINARY)->Column#15 │ └─TableReader_18 10000.00 root data:TableFullScan_17 │ └─TableFullScan_17 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo └─TableReader_12(Probe) 10000.00 root data:TableFullScan_11 diff --git a/cmd/explaintest/r/tpch.result b/cmd/explaintest/r/tpch.result index dd3895c1ccfdf..611030fafd436 100644 --- a/cmd/explaintest/r/tpch.result +++ b/cmd/explaintest/r/tpch.result @@ -768,7 +768,7 @@ id estRows task access object operator info Sort_9 1.00 root tpch.lineitem.l_shipmode └─Projection_11 1.00 root tpch.lineitem.l_shipmode, Column#27, Column#28 └─HashAgg_14 1.00 root group by:Column#40, funcs:sum(Column#37)->Column#27, funcs:sum(Column#38)->Column#28, funcs:firstrow(Column#39)->tpch.lineitem.l_shipmode - └─Projection_54 10023369.01 root cast(case(or(eq(tpch.orders.o_orderpriority, 1-URGENT), eq(tpch.orders.o_orderpriority, 2-HIGH)), 1, 0), decimal(65,0) BINARY)->Column#37, cast(case(and(ne(tpch.orders.o_orderpriority, 1-URGENT), ne(tpch.orders.o_orderpriority, 2-HIGH)), 1, 0), decimal(65,0) BINARY)->Column#38, tpch.lineitem.l_shipmode, tpch.lineitem.l_shipmode + └─Projection_54 10023369.01 root cast(case(or(eq(tpch.orders.o_orderpriority, 1-URGENT), eq(tpch.orders.o_orderpriority, 2-HIGH)), 1, 0), decimal(22,0) BINARY)->Column#37, cast(case(and(ne(tpch.orders.o_orderpriority, 1-URGENT), ne(tpch.orders.o_orderpriority, 2-HIGH)), 1, 0), decimal(22,0) BINARY)->Column#38, tpch.lineitem.l_shipmode, tpch.lineitem.l_shipmode └─IndexMergeJoin_24 10023369.01 root inner join, inner:TableReader_19, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey ├─TableReader_50(Build) 10023369.01 root data:Selection_49 │ └─Selection_49 10023369.01 cop[tikv] ge(tpch.lineitem.l_receiptdate, 1997-01-01 00:00:00.000000), in(tpch.lineitem.l_shipmode, "RAIL", "FOB"), lt(tpch.lineitem.l_commitdate, tpch.lineitem.l_receiptdate), lt(tpch.lineitem.l_receiptdate, 1998-01-01), lt(tpch.lineitem.l_shipdate, tpch.lineitem.l_commitdate) diff --git a/cmd/explaintest/r/window_function.result b/cmd/explaintest/r/window_function.result index ee2ce0f91b6f1..545b8ec8313b3 100644 --- a/cmd/explaintest/r/window_function.result +++ b/cmd/explaintest/r/window_function.result @@ -6,47 +6,47 @@ set @@session.tidb_window_concurrency = 1; explain select sum(a) over() from t; id estRows task access object operator info Projection_7 10000.00 root Column#6 -└─Window_8 10000.00 root sum(cast(test.t.a, decimal(65,0) BINARY))->Column#6 over() +└─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over() └─IndexReader_12 10000.00 root index:IndexFullScan_11 └─IndexFullScan_11 10000.00 cop[tikv] table:t, index:idx(a) keep order:false, stats:pseudo explain select sum(a) over(partition by a) from t; id estRows task access object operator info Projection_7 10000.00 root Column#6 -└─Window_8 10000.00 root sum(cast(test.t.a, decimal(65,0) BINARY))->Column#6 over(partition by test.t.a) +└─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over(partition by test.t.a) └─IndexReader_10 10000.00 root index:IndexFullScan_9 └─IndexFullScan_9 10000.00 cop[tikv] table:t, index:idx(a) keep order:true, stats:pseudo explain select sum(a) over(partition by a order by b) from t; id estRows task access object operator info Projection_7 10000.00 root Column#6 -└─Window_8 10000.00 root sum(cast(test.t.a, decimal(65,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b range between unbounded preceding and current row) +└─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b range between unbounded preceding and current row) └─Sort_11 10000.00 root test.t.a, test.t.b └─TableReader_10 10000.00 root data:TableFullScan_9 └─TableFullScan_9 10000.00 cop[tikv] table:t keep order:false, stats:pseudo explain select sum(a) over(partition by a order by b rows unbounded preceding) from t; id estRows task access object operator info Projection_7 10000.00 root Column#6 -└─Window_8 10000.00 root sum(cast(test.t.a, decimal(65,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b rows between unbounded preceding and current row) +└─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b rows between unbounded preceding and current row) └─Sort_11 10000.00 root test.t.a, test.t.b └─TableReader_10 10000.00 root data:TableFullScan_9 └─TableFullScan_9 10000.00 cop[tikv] table:t keep order:false, stats:pseudo explain select sum(a) over(partition by a order by b rows between 1 preceding and 1 following) from t; id estRows task access object operator info Projection_7 10000.00 root Column#6 -└─Window_8 10000.00 root sum(cast(test.t.a, decimal(65,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b rows between 1 preceding and 1 following) +└─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b rows between 1 preceding and 1 following) └─Sort_11 10000.00 root test.t.a, test.t.b └─TableReader_10 10000.00 root data:TableFullScan_9 └─TableFullScan_9 10000.00 cop[tikv] table:t keep order:false, stats:pseudo explain select sum(a) over(partition by a order by b range between 1 preceding and 1 following) from t; id estRows task access object operator info Projection_7 10000.00 root Column#6 -└─Window_8 10000.00 root sum(cast(test.t.a, decimal(65,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b range between 1 preceding and 1 following) +└─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b range between 1 preceding and 1 following) └─Sort_11 10000.00 root test.t.a, test.t.b └─TableReader_10 10000.00 root data:TableFullScan_9 └─TableFullScan_9 10000.00 cop[tikv] table:t keep order:false, stats:pseudo explain select sum(a) over(partition by a order by c range between interval '2:30' minute_second preceding and interval '2:30' minute_second following) from t; id estRows task access object operator info Projection_7 10000.00 root Column#6 -└─Window_8 10000.00 root sum(cast(test.t.a, decimal(65,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.c range between interval "2:30" "MINUTE_SECOND" preceding and interval "2:30" "MINUTE_SECOND" following) +└─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.c range between interval "2:30" "MINUTE_SECOND" preceding and interval "2:30" "MINUTE_SECOND" following) └─Sort_11 10000.00 root test.t.a, test.t.c └─TableReader_10 10000.00 root data:TableFullScan_9 └─TableFullScan_9 10000.00 cop[tikv] table:t keep order:false, stats:pseudo @@ -54,20 +54,20 @@ set @@session.tidb_window_concurrency = 4; explain select sum(a) over() from t; id estRows task access object operator info Projection_7 10000.00 root Column#6 -└─Window_8 10000.00 root sum(cast(test.t.a, decimal(65,0) BINARY))->Column#6 over() +└─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over() └─IndexReader_12 10000.00 root index:IndexFullScan_11 └─IndexFullScan_11 10000.00 cop[tikv] table:t, index:idx(a) keep order:false, stats:pseudo explain select sum(a) over(partition by a) from t; id estRows task access object operator info Projection_7 10000.00 root Column#6 -└─Window_8 10000.00 root sum(cast(test.t.a, decimal(65,0) BINARY))->Column#6 over(partition by test.t.a) +└─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over(partition by test.t.a) └─IndexReader_10 10000.00 root index:IndexFullScan_9 └─IndexFullScan_9 10000.00 cop[tikv] table:t, index:idx(a) keep order:true, stats:pseudo explain select sum(a) over(partition by a order by b) from t; id estRows task access object operator info Projection_7 10000.00 root Column#6 └─Shuffle_12 10000.00 root execution info: concurrency:4, data source:TableReader_10 - └─Window_8 10000.00 root sum(cast(test.t.a, decimal(65,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b range between unbounded preceding and current row) + └─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b range between unbounded preceding and current row) └─Sort_11 10000.00 root test.t.a, test.t.b └─TableReader_10 10000.00 root data:TableFullScan_9 └─TableFullScan_9 10000.00 cop[tikv] table:t keep order:false, stats:pseudo @@ -75,7 +75,7 @@ explain select sum(a) over(partition by a order by b rows unbounded preceding) f id estRows task access object operator info Projection_7 10000.00 root Column#6 └─Shuffle_12 10000.00 root execution info: concurrency:4, data source:TableReader_10 - └─Window_8 10000.00 root sum(cast(test.t.a, decimal(65,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b rows between unbounded preceding and current row) + └─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b rows between unbounded preceding and current row) └─Sort_11 10000.00 root test.t.a, test.t.b └─TableReader_10 10000.00 root data:TableFullScan_9 └─TableFullScan_9 10000.00 cop[tikv] table:t keep order:false, stats:pseudo @@ -83,7 +83,7 @@ explain select sum(a) over(partition by a order by b rows between 1 preceding an id estRows task access object operator info Projection_7 10000.00 root Column#6 └─Shuffle_12 10000.00 root execution info: concurrency:4, data source:TableReader_10 - └─Window_8 10000.00 root sum(cast(test.t.a, decimal(65,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b rows between 1 preceding and 1 following) + └─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b rows between 1 preceding and 1 following) └─Sort_11 10000.00 root test.t.a, test.t.b └─TableReader_10 10000.00 root data:TableFullScan_9 └─TableFullScan_9 10000.00 cop[tikv] table:t keep order:false, stats:pseudo @@ -91,7 +91,7 @@ explain select sum(a) over(partition by a order by b range between 1 preceding a id estRows task access object operator info Projection_7 10000.00 root Column#6 └─Shuffle_12 10000.00 root execution info: concurrency:4, data source:TableReader_10 - └─Window_8 10000.00 root sum(cast(test.t.a, decimal(65,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b range between 1 preceding and 1 following) + └─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b range between 1 preceding and 1 following) └─Sort_11 10000.00 root test.t.a, test.t.b └─TableReader_10 10000.00 root data:TableFullScan_9 └─TableFullScan_9 10000.00 cop[tikv] table:t keep order:false, stats:pseudo @@ -99,7 +99,7 @@ explain select sum(a) over(partition by a order by c range between interval '2:3 id estRows task access object operator info Projection_7 10000.00 root Column#6 └─Shuffle_12 10000.00 root execution info: concurrency:4, data source:TableReader_10 - └─Window_8 10000.00 root sum(cast(test.t.a, decimal(65,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.c range between interval "2:30" "MINUTE_SECOND" preceding and interval "2:30" "MINUTE_SECOND" following) + └─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.c range between interval "2:30" "MINUTE_SECOND" preceding and interval "2:30" "MINUTE_SECOND" following) └─Sort_11 10000.00 root test.t.a, test.t.c └─TableReader_10 10000.00 root data:TableFullScan_9 └─TableFullScan_9 10000.00 cop[tikv] table:t keep order:false, stats:pseudo @@ -110,7 +110,7 @@ analyze table t1; explain select sum(a) over(partition by b) from t1; id estRows task access object operator info Projection_7 2.00 root Column#4 -└─Window_8 2.00 root sum(cast(test.t1.a, decimal(65,0) BINARY))->Column#4 over(partition by test.t1.b) +└─Window_8 2.00 root sum(cast(test.t1.a, decimal(32,0) BINARY))->Column#4 over(partition by test.t1.b) └─Sort_11 2.00 root test.t1.b └─TableReader_10 2.00 root data:TableFullScan_9 └─TableFullScan_9 2.00 cop[tikv] table:t1 keep order:false @@ -120,7 +120,7 @@ explain select sum(a) over(partition by b) from t1; id estRows task access object operator info Projection_7 3.00 root Column#4 └─Shuffle_12 3.00 root execution info: concurrency:2, data source:TableReader_10 - └─Window_8 3.00 root sum(cast(test.t1.a, decimal(65,0) BINARY))->Column#4 over(partition by test.t1.b) + └─Window_8 3.00 root sum(cast(test.t1.a, decimal(32,0) BINARY))->Column#4 over(partition by test.t1.b) └─Sort_11 3.00 root test.t1.b └─TableReader_10 3.00 root data:TableFullScan_9 └─TableFullScan_9 3.00 cop[tikv] table:t1 keep order:false diff --git a/expression/aggregation/base_func.go b/expression/aggregation/base_func.go index 9cac708aba9ab..b9758e044e5ec 100644 --- a/expression/aggregation/base_func.go +++ b/expression/aggregation/base_func.go @@ -20,6 +20,7 @@ import ( "strings" "github.com/cznic/mathutil" + "github.com/pingcap/br/pkg/utils" "github.com/pingcap/errors" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/charset" @@ -181,10 +182,16 @@ func (a *baseFuncDesc) typeInfer4Sum(ctx sessionctx.Context) { switch a.Args[0].GetType().Tp { case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong, mysql.TypeYear: a.RetTp = types.NewFieldType(mysql.TypeNewDecimal) - a.RetTp.Flen, a.RetTp.Decimal = mysql.MaxDecimalWidth, 0 + a.RetTp.Flen, a.RetTp.Decimal = utils.MinInt(a.Args[0].GetType().Flen+21, mysql.MaxDecimalWidth), 0 + if a.Args[0].GetType().Flen < 0 { + a.RetTp.Flen = mysql.MaxDecimalWidth + } case mysql.TypeNewDecimal: a.RetTp = types.NewFieldType(mysql.TypeNewDecimal) - a.RetTp.Flen, a.RetTp.Decimal = mysql.MaxDecimalWidth, a.Args[0].GetType().Decimal + a.RetTp.Flen, a.RetTp.Decimal = utils.MinInt(a.Args[0].GetType().Flen+22), a.Args[0].GetType().Decimal + if a.Args[0].GetType().Flen < 0 { + a.RetTp.Flen = mysql.MaxDecimalWidth + } if a.RetTp.Decimal < 0 || a.RetTp.Decimal > mysql.MaxDecimalScale { a.RetTp.Decimal = mysql.MaxDecimalScale } @@ -209,7 +216,10 @@ func (a *baseFuncDesc) typeInfer4Avg(ctx sessionctx.Context) { } else { a.RetTp.Decimal = mathutil.Min(a.Args[0].GetType().Decimal+types.DivFracIncr, mysql.MaxDecimalScale) } - a.RetTp.Flen = mysql.MaxDecimalWidth + a.RetTp.Flen = utils.MinInt(mysql.MaxDecimalWidth, a.Args[0].GetType().Flen+types.DivFracIncr) + if a.Args[0].GetType().Flen < 0 { + a.RetTp.Flen = mysql.MaxDecimalWidth + } case mysql.TypeDouble, mysql.TypeFloat: a.RetTp = types.NewFieldType(mysql.TypeDouble) a.RetTp.Flen, a.RetTp.Decimal = mysql.MaxRealWidth, a.Args[0].GetType().Decimal diff --git a/expression/typeinfer_test.go b/expression/typeinfer_test.go index cc937c645014b..c41dc828a4928 100644 --- a/expression/typeinfer_test.go +++ b/expression/typeinfer_test.go @@ -820,18 +820,18 @@ func (s *testInferTypeSuite) createTestCase4ControlFuncs() []typeInferTestCase { func (s *testInferTypeSuite) createTestCase4Aggregations() []typeInferTestCase { return []typeInferTestCase{ - {"sum(c_int_d)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxDecimalWidth, 0}, + {"sum(c_int_d)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 32, 0}, {"sum(c_float_d)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, types.UnspecifiedLength}, {"sum(c_double_d)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, types.UnspecifiedLength}, - {"sum(c_decimal)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxDecimalWidth, 3}, - {"sum(1.0)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxDecimalWidth, 1}, + {"sum(c_decimal)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 28, 3}, + {"sum(1.0)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 25, 1}, {"sum(1.2e2)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, types.UnspecifiedLength}, {"sum(c_char)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, types.UnspecifiedLength}, - {"avg(c_int_d)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxDecimalWidth, 4}, + {"avg(c_int_d)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 15, 4}, {"avg(c_float_d)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, types.UnspecifiedLength}, {"avg(c_double_d)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, types.UnspecifiedLength}, - {"avg(c_decimal)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxDecimalWidth, 7}, - {"avg(1.0)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxDecimalWidth, 5}, + {"avg(c_decimal)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 10, 7}, + {"avg(1.0)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 7, 5}, {"avg(1.2e2)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, types.UnspecifiedLength}, {"avg(c_char)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, types.UnspecifiedLength}, {"group_concat(c_int_d)", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, mysql.MaxBlobWidth, 0}, diff --git a/planner/cascades/testdata/integration_suite_out.json b/planner/cascades/testdata/integration_suite_out.json index 827bf56ab129c..a0b190c9e7844 100644 --- a/planner/cascades/testdata/integration_suite_out.json +++ b/planner/cascades/testdata/integration_suite_out.json @@ -197,7 +197,7 @@ " └─Sort_29 6400.00 root test.t.b", " └─Selection_28 6400.00 root gt(Column#4, 1)", " └─HashAgg_19 8000.00 root group by:test.t.b, funcs:avg(Column#11)->Column#3, funcs:sum(Column#12)->Column#4, funcs:firstrow(test.t.b)->test.t.b", - " └─Projection_20 10000.00 root cast(test.t.a, decimal(65,4) BINARY)->Column#11, cast(test.t.a, decimal(65,0) BINARY)->Column#12, test.t.b, test.t.b", + " └─Projection_20 10000.00 root cast(test.t.a, decimal(15,4) BINARY)->Column#11, cast(test.t.a, decimal(32,0) BINARY)->Column#12, test.t.b, test.t.b", " └─TableReader_21 10000.00 root data:TableFullScan_22", " └─TableFullScan_22 10000.00 cop[tikv] table:t keep order:false, stats:pseudo" ], @@ -223,7 +223,7 @@ "SQL": "select sum(a) from t group by a, a+b order by a", "Plan": [ "Projection_10 10000.00 root Column#3", - "└─Projection_12 10000.00 root cast(test.t.a, decimal(65,0) BINARY)->Column#3, test.t.a", + "└─Projection_12 10000.00 root cast(test.t.a, decimal(32,0) BINARY)->Column#3, test.t.a", " └─TableReader_13 10000.00 root data:TableFullScan_14", " └─TableFullScan_14 10000.00 cop[tikv] table:t keep order:true, stats:pseudo" ], @@ -312,7 +312,7 @@ { "SQL": "select t1.a, sum(distinct t1.b) from t as t1 left join (select * from t) as t2 on t1.b = t2.b group by t1.a order by a", "Plan": [ - "Projection_13 10000.00 root test.t.a, cast(test.t.b, decimal(65,0) BINARY)->Column#5", + "Projection_13 10000.00 root test.t.a, cast(test.t.b, decimal(32,0) BINARY)->Column#5", "└─TableReader_14 10000.00 root data:TableFullScan_15", " └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo" ], @@ -450,7 +450,7 @@ "SQL": "select count(b), sum(b), avg(b), b, max(b), min(b), bit_and(b), bit_or(b), bit_xor(b) from t group by a having sum(b) >= 0 and count(b) >= 0 order by b", "Plan": [ "Projection_13 8000.00 root Column#3, Column#4, Column#5, test.t.b, Column#6, Column#7, Column#8, Column#9, Column#10", - "└─Projection_15 8000.00 root if(isnull(test.t.b), 0, 1)->Column#3, cast(test.t.b, decimal(65,0) BINARY)->Column#4, cast(test.t.b, decimal(65,4) BINARY)->Column#5, test.t.b, cast(test.t.b, int(11))->Column#6, cast(test.t.b, int(11))->Column#7, ifnull(cast(test.t.b, bigint(21) UNSIGNED BINARY), 18446744073709551615)->Column#8, ifnull(cast(test.t.b, bigint(21) UNSIGNED BINARY), 0)->Column#9, ifnull(cast(test.t.b, bigint(21) UNSIGNED BINARY), 0)->Column#10, cast(test.t.b, decimal(65,0) BINARY)->Column#4, if(isnull(test.t.b), 0, 1)->Column#3", + "└─Projection_15 8000.00 root if(isnull(test.t.b), 0, 1)->Column#3, cast(test.t.b, decimal(32,0) BINARY)->Column#4, cast(test.t.b, decimal(15,4) BINARY)->Column#5, test.t.b, cast(test.t.b, int(11))->Column#6, cast(test.t.b, int(11))->Column#7, ifnull(cast(test.t.b, bigint(21) UNSIGNED BINARY), 18446744073709551615)->Column#8, ifnull(cast(test.t.b, bigint(21) UNSIGNED BINARY), 0)->Column#9, ifnull(cast(test.t.b, bigint(21) UNSIGNED BINARY), 0)->Column#10, cast(test.t.b, decimal(32,0) BINARY)->Column#4, if(isnull(test.t.b), 0, 1)->Column#3", " └─Sort_22 8000.00 root test.t.b", " └─TableReader_19 8000.00 root data:Selection_20", " └─Selection_20 8000.00 cop[tikv] ge(cast(test.t.b), 0), ge(if(isnull(test.t.b), 0, 1), 0)", @@ -501,7 +501,7 @@ "SQL": "select /*+ HASH_AGG() */ avg(distinct a) from t;", "Plan": [ "HashAgg_16 1.00 root funcs:avg(distinct Column#7)->Column#5", - "└─Projection_17 8000.00 root cast(test.t.a, decimal(65,4) BINARY)->Column#7", + "└─Projection_17 8000.00 root cast(test.t.a, decimal(15,4) BINARY)->Column#7", " └─TableReader_18 8000.00 root data:HashAgg_19", " └─HashAgg_19 8000.00 cop[tikv] group by:test.t.a, ", " └─TableFullScan_15 10000.00 cop[tikv] table:t keep order:false, stats:pseudo" @@ -611,7 +611,7 @@ "SQL": "select /*+ HASH_AGG(), AGG_TO_COP() */ avg(distinct a) from t;", "Plan": [ "HashAgg_8 1.00 root funcs:avg(distinct Column#6)->Column#5", - "└─Projection_9 10000.00 root cast(test.t.a, decimal(65,4) BINARY)->Column#6", + "└─Projection_9 10000.00 root cast(test.t.a, decimal(15,4) BINARY)->Column#6", " └─TableReader_10 10000.00 root data:TableFullScan_11", " └─TableFullScan_11 10000.00 cop[tikv] table:t keep order:false, stats:pseudo" ], @@ -636,7 +636,7 @@ "Plan": [ "Projection_8 8000.00 root Column#5, test.t.c, Column#5, Column#6, Column#7, Column#8, Column#9", "└─HashAgg_9 8000.00 root group by:test.t.c, funcs:avg(Column#10)->Column#5, funcs:count(distinct test.t.a, test.t.b)->Column#6, funcs:count(distinct test.t.a)->Column#7, funcs:count(distinct test.t.c)->Column#8, funcs:sum(Column#11)->Column#9, funcs:firstrow(test.t.c)->test.t.c", - " └─Projection_10 10000.00 root cast(test.t.b, decimal(65,4) BINARY)->Column#10, test.t.a, test.t.b, test.t.a, test.t.c, cast(test.t.b, decimal(65,0) BINARY)->Column#11, test.t.c, test.t.c", + " └─Projection_10 10000.00 root cast(test.t.b, decimal(15,4) BINARY)->Column#10, test.t.a, test.t.b, test.t.a, test.t.c, cast(test.t.b, decimal(32,0) BINARY)->Column#11, test.t.c, test.t.c", " └─TableReader_11 10000.00 root data:TableFullScan_12", " └─TableFullScan_12 10000.00 cop[tikv] table:t keep order:false, stats:pseudo" ], diff --git a/planner/core/testdata/plan_suite_out.json b/planner/core/testdata/plan_suite_out.json index 396c643699306..da2524ca37dc3 100644 --- a/planner/core/testdata/plan_suite_out.json +++ b/planner/core/testdata/plan_suite_out.json @@ -1505,7 +1505,7 @@ "SQL": "select /*+ HASH_AGG() */ avg(distinct a) from t;", "Plan": [ "HashAgg_8 1.00 root funcs:avg(distinct Column#6)->Column#5", - "└─Projection_10 1.00 root cast(test.t.a, decimal(65,4) BINARY)->Column#6", + "└─Projection_10 1.00 root cast(test.t.a, decimal(15,4) BINARY)->Column#6", " └─TableReader_9 1.00 root data:HashAgg_5", " └─HashAgg_5 1.00 cop[tikv] group by:test.t.a, ", " └─TableFullScan_7 10000.00 cop[tikv] table:t keep order:false, stats:pseudo" @@ -1609,7 +1609,7 @@ "SQL": "select /*+ HASH_AGG(), AGG_TO_COP() */ sum(distinct b) from pt;", "Plan": [ "HashAgg_12 1.00 root funcs:sum(distinct Column#9)->Column#4", - "└─Projection_24 16000.00 root cast(test.pt.b, decimal(65,0) BINARY)->Column#9", + "└─Projection_24 16000.00 root cast(test.pt.b, decimal(32,0) BINARY)->Column#9", " └─PartitionUnion_13 16000.00 root ", " ├─HashAgg_17 8000.00 root group by:test.pt.b, funcs:firstrow(test.pt.b)->test.pt.b, funcs:firstrow(test.pt.b)->test.pt.b", " │ └─TableReader_18 8000.00 root data:HashAgg_14", @@ -1651,7 +1651,7 @@ "SQL": "select /*+ HASH_AGG(), AGG_TO_COP() */ avg(distinct a) from t;", "Plan": [ "HashAgg_5 1.00 root funcs:avg(distinct Column#6)->Column#5", - "└─Projection_8 10000.00 root cast(test.t.a, decimal(65,4) BINARY)->Column#6", + "└─Projection_8 10000.00 root cast(test.t.a, decimal(15,4) BINARY)->Column#6", " └─TableReader_7 10000.00 root data:TableFullScan_6", " └─TableFullScan_6 10000.00 cop[tikv] table:t keep order:false, stats:pseudo" ], @@ -1676,7 +1676,7 @@ "Plan": [ "Projection_4 8000.00 root Column#5, test.t.c, Column#5, Column#6, Column#7, Column#8, Column#9", "└─HashAgg_5 8000.00 root group by:Column#17, funcs:avg(Column#10)->Column#5, funcs:count(distinct Column#11, Column#12)->Column#6, funcs:count(distinct Column#13)->Column#7, funcs:count(distinct Column#14)->Column#8, funcs:sum(Column#15)->Column#9, funcs:firstrow(Column#16)->test.t.c", - " └─Projection_8 10000.00 root cast(test.t.b, decimal(65,4) BINARY)->Column#10, test.t.a, test.t.b, test.t.a, test.t.c, cast(test.t.b, decimal(65,0) BINARY)->Column#15, test.t.c, test.t.c", + " └─Projection_8 10000.00 root cast(test.t.b, decimal(15,4) BINARY)->Column#10, test.t.a, test.t.b, test.t.a, test.t.c, cast(test.t.b, decimal(32,0) BINARY)->Column#15, test.t.c, test.t.c", " └─TableReader_7 10000.00 root data:TableFullScan_6", " └─TableFullScan_6 10000.00 cop[tikv] table:t keep order:false, stats:pseudo" ], @@ -1738,7 +1738,7 @@ "SQL": "select /*+ HASH_AGG(), AGG_TO_COP() */ sum(distinct b) from pt;", "Plan": [ "HashAgg_12 1.00 root funcs:sum(distinct Column#9)->Column#4", - "└─Projection_24 16000.00 root cast(test.pt.b, decimal(65,0) BINARY)->Column#9", + "└─Projection_24 16000.00 root cast(test.pt.b, decimal(32,0) BINARY)->Column#9", " └─PartitionUnion_13 16000.00 root ", " ├─HashAgg_17 8000.00 root group by:test.pt.b, funcs:firstrow(test.pt.b)->test.pt.b, funcs:firstrow(test.pt.b)->test.pt.b", " │ └─TableReader_18 8000.00 root data:HashAgg_14", @@ -1780,7 +1780,7 @@ "SQL": "select /*+ HASH_AGG(), AGG_TO_COP() */ sum(distinct b) from pt;", "Plan": [ "HashAgg_12 1.00 root funcs:sum(distinct Column#9)->Column#4", - "└─Projection_24 16000.00 root cast(test.pt.b, decimal(65,0) BINARY)->Column#9", + "└─Projection_24 16000.00 root cast(test.pt.b, decimal(32,0) BINARY)->Column#9", " └─PartitionUnion_13 16000.00 root ", " ├─HashAgg_17 8000.00 root group by:test.pt.b, funcs:firstrow(test.pt.b)->test.pt.b, funcs:firstrow(test.pt.b)->test.pt.b", " │ └─TableReader_18 8000.00 root data:HashAgg_14", @@ -2186,7 +2186,8 @@ "└─TableReader_25(Probe) 7992.00 root data:Selection_24", " └─Selection_24 7992.00 cop[tikv] lt(test.t2.a, test.t2.a), not(isnull(test.t2.a))", " └─TableFullScan_23 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" - ] + ], + "Result": null }, { "SQL": "select a from t2 where t2.a < (select t1.a from t1 where t1.b = t2.b and t1.a is null);", @@ -2202,7 +2203,8 @@ " ├─IndexRangeScan_21(Build) 1.00 cop[tikv] table:t1, index:idx_a(a) range:[NULL,NULL], keep order:false, stats:pseudo", " └─Selection_23(Probe) 0.00 cop[tikv] eq(test.t1.b, test.t2.b)", " └─TableRowIDScan_22 1.00 cop[tikv] table:t1 keep order:false, stats:pseudo" - ] + ], + "Result": null }, { "SQL": "select a from t2 where t2.a < (select t3.a from t3 where t3.a = t2.a);", @@ -2216,7 +2218,8 @@ " └─MaxOneRow_17 1.00 root ", " └─IndexReader_19 2.00 root index:IndexRangeScan_18", " └─IndexRangeScan_18 2.00 cop[tikv] table:t3, index:idx_abc(a, b, c) range: decided by [eq(test.t3.a, test.t2.a)], keep order:false, stats:pseudo" - ] + ], + "Result": null } ] } diff --git a/planner/core/testdata/plan_suite_unexported_out.json b/planner/core/testdata/plan_suite_unexported_out.json index 4e15b35aa74e8..776ef1757e22b 100644 --- a/planner/core/testdata/plan_suite_unexported_out.json +++ b/planner/core/testdata/plan_suite_unexported_out.json @@ -185,7 +185,7 @@ "Cases": [ "TableReader(Table(t))->Window(avg(cast(test.t.a, decimal(65,30) BINARY))->Column#14 over(partition by test.t.a))->Projection", "TableReader(Table(t))->Sort->Window(avg(cast(test.t.a, decimal(65,30) BINARY))->Column#14 over(partition by test.t.b))->Projection", - "IndexReader(Index(t.f)[[NULL,+inf]])->Projection->Sort->Window(avg(cast(Column#16, decimal(65,4) BINARY))->Column#17 over(partition by Column#15))->Projection", + "IndexReader(Index(t.f)[[NULL,+inf]])->Projection->Sort->Window(avg(cast(Column#16, decimal(24,4) BINARY))->Column#17 over(partition by Column#15))->Projection", "TableReader(Table(t))->Sort->Window(avg(cast(test.t.a, decimal(65,30) BINARY))->Column#14 over(order by test.t.a, test.t.b desc range between unbounded preceding and current row))->Projection", "TableReader(Table(t))->Window(avg(cast(test.t.a, decimal(65,30) BINARY))->Column#14 over(partition by test.t.a))->Projection", "[planner:1054]Unknown column 'z' in 'field list'", @@ -258,7 +258,7 @@ "Cases": [ "TableReader(Table(t))->Window(avg(cast(test.t.a, decimal(65,30) BINARY))->Column#14 over(partition by test.t.a))->Projection", "TableReader(Table(t))->Sort->Window(avg(cast(test.t.a, decimal(65,30) BINARY))->Column#14 over(partition by test.t.b))->Partition(execution info: concurrency:4, data source:TableReader_10)->Projection", - "IndexReader(Index(t.f)[[NULL,+inf]])->Projection->Sort->Window(avg(cast(Column#16, decimal(65,4) BINARY))->Column#17 over(partition by Column#15))->Partition(execution info: concurrency:4, data source:Projection_8)->Projection", + "IndexReader(Index(t.f)[[NULL,+inf]])->Projection->Sort->Window(avg(cast(Column#16, decimal(24,4) BINARY))->Column#17 over(partition by Column#15))->Partition(execution info: concurrency:4, data source:Projection_8)->Projection", "TableReader(Table(t))->Sort->Window(avg(cast(test.t.a, decimal(65,30) BINARY))->Column#14 over(order by test.t.a, test.t.b desc range between unbounded preceding and current row))->Projection", "TableReader(Table(t))->Window(avg(cast(test.t.a, decimal(65,30) BINARY))->Column#14 over(partition by test.t.a))->Projection", "[planner:1054]Unknown column 'z' in 'field list'", diff --git a/planner/core/testdata/stats_suite_out.json b/planner/core/testdata/stats_suite_out.json index 669cb5e13319f..b6c9168cbd008 100644 --- a/planner/core/testdata/stats_suite_out.json +++ b/planner/core/testdata/stats_suite_out.json @@ -275,7 +275,7 @@ "SQL": "select count(tmp.a_sum) from (select t1.a as a, t1.b as b, sum(a) over() as a_sum from t1) tmp group by tmp.a, tmp.b", "Plan": [ "HashAgg_11 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#5)->Column#6", - "└─Window_12 4.00 root sum(cast(test.t1.a, decimal(65,0) BINARY))->Column#5 over()", + "└─Window_12 4.00 root sum(cast(test.t1.a, decimal(32,0) BINARY))->Column#5 over()", " └─TableReader_14 4.00 root data:TableFullScan_13", " └─TableFullScan_13 4.00 cop[tikv] table:t1 keep order:false" ] From a3facd0f71cb476e30795572bbc2a39a393bfccc Mon Sep 17 00:00:00 2001 From: dy <34701401+dyzsr@users.noreply.github.com> Date: Wed, 11 Nov 2020 14:46:22 +0800 Subject: [PATCH 0182/1021] expression, planner: fix decimal results for aggregate functions (#20017) --- executor/aggfuncs/aggfuncs.go | 4 +++ executor/aggfuncs/builder.go | 25 +++++++++++++++++++ executor/aggfuncs/func_avg.go | 19 ++------------ executor/aggfuncs/func_first_row.go | 4 +++ executor/aggfuncs/func_max_min.go | 4 +++ executor/aggfuncs/func_sum.go | 4 +++ executor/aggregate_test.go | 26 ++++++++++++++++++++ expression/aggregation/base_func.go | 12 +++++++++ planner/core/rule_inject_extra_projection.go | 1 + 9 files changed, 82 insertions(+), 17 deletions(-) diff --git a/executor/aggfuncs/aggfuncs.go b/executor/aggfuncs/aggfuncs.go index 279c2e2ed7217..a65644a6a1768 100644 --- a/executor/aggfuncs/aggfuncs.go +++ b/executor/aggfuncs/aggfuncs.go @@ -183,6 +183,10 @@ type baseAggFunc struct { // ordinal stores the ordinal of the columns in the output chunk, which is // used to append the final result of this function. ordinal int + + // frac stores digits of the fractional part of decimals, + // which makes the decimal be the result of type inferring. + frac int } func (*baseAggFunc) MergePartialResult(sctx sessionctx.Context, src, dst PartialResult) (memDelta int64, err error) { diff --git a/executor/aggfuncs/builder.go b/executor/aggfuncs/builder.go index a8a9780289751..ea8b6ec6a97b6 100644 --- a/executor/aggfuncs/builder.go +++ b/executor/aggfuncs/builder.go @@ -17,6 +17,7 @@ import ( "fmt" "strconv" + "github.com/cznic/mathutil" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/expression" @@ -247,6 +248,11 @@ func buildSum(ctx sessionctx.Context, aggFuncDesc *aggregation.AggFuncDesc, ordi ordinal: ordinal, }, } + frac := base.args[0].GetType().Decimal + if frac == -1 { + frac = mysql.MaxDecimalScale + } + base.frac = mathutil.Min(frac, mysql.MaxDecimalScale) switch aggFuncDesc.Mode { case aggregation.DedupMode: return nil @@ -275,6 +281,15 @@ func buildAvg(ctx sessionctx.Context, aggFuncDesc *aggregation.AggFuncDesc, ordi args: aggFuncDesc.Args, ordinal: ordinal, } + frac := base.args[0].GetType().Decimal + if len(base.args) == 2 { + frac = base.args[1].GetType().Decimal + } + if frac == -1 { + frac = mysql.MaxDecimalScale + } + base.frac = mathutil.Min(frac, mysql.MaxDecimalScale) + switch aggFuncDesc.Mode { // Build avg functions which consume the original data and remove the // duplicated input of the same group. @@ -319,6 +334,11 @@ func buildFirstRow(aggFuncDesc *aggregation.AggFuncDesc, ordinal int) AggFunc { args: aggFuncDesc.Args, ordinal: ordinal, } + frac := base.args[0].GetType().Decimal + if frac == -1 { + frac = mysql.MaxDecimalScale + } + base.frac = mathutil.Min(frac, mysql.MaxDecimalScale) evalType, fieldType := aggFuncDesc.RetTp.EvalType(), aggFuncDesc.RetTp if fieldType.Tp == mysql.TypeBit { @@ -368,6 +388,11 @@ func buildMaxMin(aggFuncDesc *aggregation.AggFuncDesc, ordinal int, isMax bool) }, isMax: isMax, } + frac := base.args[0].GetType().Decimal + if frac == -1 { + frac = mysql.MaxDecimalScale + } + base.frac = mathutil.Min(frac, mysql.MaxDecimalScale) evalType, fieldType := aggFuncDesc.RetTp.EvalType(), aggFuncDesc.RetTp if fieldType.Tp == mysql.TypeBit { diff --git a/executor/aggfuncs/func_avg.go b/executor/aggfuncs/func_avg.go index 13cf7135448e2..29c138b102567 100644 --- a/executor/aggfuncs/func_avg.go +++ b/executor/aggfuncs/func_avg.go @@ -16,8 +16,6 @@ package aggfuncs import ( "unsafe" - "github.com/cznic/mathutil" - "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" @@ -73,15 +71,7 @@ func (e *baseAvgDecimal) AppendFinalResult2Chunk(sctx sessionctx.Context, pr Par if err != nil { return err } - // Make the decimal be the result of type inferring. - frac := e.args[0].GetType().Decimal - if len(e.args) == 2 { - frac = e.args[1].GetType().Decimal - } - if frac == -1 { - frac = mysql.MaxDecimalScale - } - err = finalResult.Round(finalResult, mathutil.Min(frac, mysql.MaxDecimalScale), types.ModeHalfEven) + err = finalResult.Round(finalResult, e.frac, types.ModeHalfEven) if err != nil { return err } @@ -267,12 +257,7 @@ func (e *avgOriginal4DistinctDecimal) AppendFinalResult2Chunk(sctx sessionctx.Co if err != nil { return err } - // Make the decimal be the result of type inferring. - frac := e.args[0].GetType().Decimal - if frac == -1 { - frac = mysql.MaxDecimalScale - } - err = finalResult.Round(finalResult, mathutil.Min(frac, mysql.MaxDecimalScale), types.ModeHalfEven) + err = finalResult.Round(finalResult, e.frac, types.ModeHalfEven) if err != nil { return err } diff --git a/executor/aggfuncs/func_first_row.go b/executor/aggfuncs/func_first_row.go index 5a6786d95aa63..5b351f58cad18 100644 --- a/executor/aggfuncs/func_first_row.go +++ b/executor/aggfuncs/func_first_row.go @@ -474,6 +474,10 @@ func (e *firstRow4Decimal) AppendFinalResult2Chunk(sctx sessionctx.Context, pr P chk.AppendNull(e.ordinal) return nil } + err := p.val.Round(&p.val, e.frac, types.ModeHalfEven) + if err != nil { + return err + } chk.AppendMyDecimal(e.ordinal, &p.val) return nil } diff --git a/executor/aggfuncs/func_max_min.go b/executor/aggfuncs/func_max_min.go index 74f212a90f77c..e1ac741ae4ce3 100644 --- a/executor/aggfuncs/func_max_min.go +++ b/executor/aggfuncs/func_max_min.go @@ -752,6 +752,10 @@ func (e *maxMin4Decimal) AppendFinalResult2Chunk(sctx sessionctx.Context, pr Par chk.AppendNull(e.ordinal) return nil } + err := p.val.Round(&p.val, e.frac, types.ModeHalfEven) + if err != nil { + return err + } chk.AppendMyDecimal(e.ordinal, &p.val) return nil } diff --git a/executor/aggfuncs/func_sum.go b/executor/aggfuncs/func_sum.go index 070d97dcecf2b..c4415b482bea0 100644 --- a/executor/aggfuncs/func_sum.go +++ b/executor/aggfuncs/func_sum.go @@ -166,6 +166,10 @@ func (e *sum4Decimal) AppendFinalResult2Chunk(sctx sessionctx.Context, pr Partia chk.AppendNull(e.ordinal) return nil } + err := p.val.Round(&p.val, e.frac, types.ModeHalfEven) + if err != nil { + return err + } chk.AppendMyDecimal(e.ordinal, &p.val) return nil } diff --git a/executor/aggregate_test.go b/executor/aggregate_test.go index f0ce5f11bc087..a08e9370030cf 100644 --- a/executor/aggregate_test.go +++ b/executor/aggregate_test.go @@ -1142,3 +1142,29 @@ func (s *testSuiteAgg) TestIssue17216(c *C) { tk.MustExec(`INSERT INTO t1 VALUES (2084,0.02040000000000000000),(35324,0.02190000000000000000),(43760,0.00510000000000000000),(46084,0.01400000000000000000),(46312,0.00560000000000000000),(61632,0.02730000000000000000),(94676,0.00660000000000000000),(102244,0.01810000000000000000),(113144,0.02140000000000000000),(157024,0.02750000000000000000),(157144,0.01750000000000000000),(182076,0.02370000000000000000),(188696,0.02330000000000000000),(833,0.00390000000000000000),(6701,0.00230000000000000000),(8533,0.01690000000000000000),(13801,0.01360000000000000000),(20797,0.00680000000000000000),(36677,0.00550000000000000000),(46305,0.01290000000000000000),(76113,0.00430000000000000000),(76753,0.02400000000000000000),(92393,0.01720000000000000000),(111733,0.02690000000000000000),(152757,0.00250000000000000000),(162393,0.02760000000000000000),(167169,0.00440000000000000000),(168097,0.01360000000000000000),(180309,0.01720000000000000000),(19918,0.02620000000000000000),(58674,0.01820000000000000000),(67454,0.01510000000000000000),(70870,0.02880000000000000000),(89614,0.02530000000000000000),(106742,0.00180000000000000000),(107886,0.01580000000000000000),(147506,0.02230000000000000000),(148366,0.01340000000000000000),(167258,0.01860000000000000000),(194438,0.00500000000000000000),(10307,0.02850000000000000000),(14539,0.02210000000000000000),(27703,0.00050000000000000000),(32495,0.00680000000000000000),(39235,0.01450000000000000000),(52379,0.01640000000000000000),(54551,0.01910000000000000000),(85659,0.02330000000000000000),(104483,0.02670000000000000000),(109911,0.02040000000000000000),(114523,0.02110000000000000000),(119495,0.02120000000000000000),(137603,0.01910000000000000000),(154031,0.02580000000000000000);`) tk.MustQuery("SELECT count(distinct col1) FROM t1").Check(testkit.Rows("48")) } + +func (s *testSuiteAgg) TestIssue19426(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int primary key, b int)") + tk.MustExec("insert into t values (1, 11), (4, 44), (2, 22), (3, 33)") + tk.MustQuery("select sum(case when a <= 0 or a > 1000 then 0.0 else b end) from t"). + Check(testkit.Rows("110.0")) + tk.MustQuery("select avg(case when a <= 0 or a > 1000 then 0.0 else b end) from t"). + Check(testkit.Rows("27.50000")) + tk.MustQuery("select distinct (case when a <= 0 or a > 1000 then 0.0 else b end) v from t order by v"). + Check(testkit.Rows("11.0", "22.0", "33.0", "44.0")) + tk.MustQuery("select group_concat(case when a <= 0 or a > 1000 then 0.0 else b end order by -a) from t"). + Check(testkit.Rows("44.0,33.0,22.0,11.0")) + tk.MustQuery("select group_concat(a, b, case when a <= 0 or a > 1000 then 0.0 else b end order by -a) from t"). + Check(testkit.Rows("44444.0,33333.0,22222.0,11111.0")) + tk.MustQuery("select group_concat(distinct case when a <= 0 or a > 1000 then 0.0 else b end order by -a) from t"). + Check(testkit.Rows("44.0,33.0,22.0,11.0")) + tk.MustQuery("select max(case when a <= 0 or a > 1000 then 0.0 else b end) from t"). + Check(testkit.Rows("44.0")) + tk.MustQuery("select min(case when a <= 0 or a > 1000 then 0.0 else b end) from t"). + Check(testkit.Rows("11.0")) + tk.MustQuery("select a, b, sum(case when a < 1000 then b else 0.0 end) over (order by a) from t"). + Check(testkit.Rows("1 11 11.0", "2 22 33.0", "3 33 66.0", "4 44 110.0")) +} diff --git a/expression/aggregation/base_func.go b/expression/aggregation/base_func.go index b9758e044e5ec..f77329655366f 100644 --- a/expression/aggregation/base_func.go +++ b/expression/aggregation/base_func.go @@ -358,6 +358,18 @@ var noNeedCastAggFuncs = map[string]struct{}{ ast.AggFuncJsonObjectAgg: {}, } +// WrapCastAsDecimalForAggArgs wraps the args of some specific aggregate functions +// with a cast as decimal function. See issue #19426 +func (a *baseFuncDesc) WrapCastAsDecimalForAggArgs(ctx sessionctx.Context) { + if a.Name == ast.AggFuncGroupConcat { + for i := 0; i < len(a.Args)-1; i++ { + if tp := a.Args[i].GetType(); tp.Tp == mysql.TypeNewDecimal { + a.Args[i] = expression.BuildCastFunction(ctx, a.Args[i], tp) + } + } + } +} + // WrapCastForAggArgs wraps the args of an aggregate function with a cast function. func (a *baseFuncDesc) WrapCastForAggArgs(ctx sessionctx.Context) { if len(a.Args) == 0 { diff --git a/planner/core/rule_inject_extra_projection.go b/planner/core/rule_inject_extra_projection.go index a9e2b7ed11dad..977c73761f2fe 100644 --- a/planner/core/rule_inject_extra_projection.go +++ b/planner/core/rule_inject_extra_projection.go @@ -61,6 +61,7 @@ func (pe *projInjector) inject(plan PhysicalPlan) PhysicalPlan { // since the types of the args are already the expected. func wrapCastForAggFuncs(sctx sessionctx.Context, aggFuncs []*aggregation.AggFuncDesc) { for i := range aggFuncs { + aggFuncs[i].WrapCastAsDecimalForAggArgs(sctx) if aggFuncs[i].Mode != aggregation.FinalMode && aggFuncs[i].Mode != aggregation.Partial2Mode { aggFuncs[i].WrapCastForAggArgs(sctx) } From 38f876044fef29bda5d00d069612af2457305a5a Mon Sep 17 00:00:00 2001 From: Arenatlx Date: Wed, 11 Nov 2020 15:22:37 +0800 Subject: [PATCH 0183/1021] ddl: ignore integer zerofill size attribute when changing the column types (#20862) --- ddl/column.go | 12 +++++++-- ddl/column_test.go | 2 +- ddl/column_type_change_test.go | 48 ++++++++++++++++++++++++++++++++++ ddl/ddl_api.go | 12 +++++++-- ddl/ddl_worker_test.go | 13 ++++----- 5 files changed, 76 insertions(+), 11 deletions(-) diff --git a/ddl/column.go b/ddl/column.go index 60dc9dc1e057f..7578d81ec0ed5 100644 --- a/ddl/column.go +++ b/ddl/column.go @@ -688,7 +688,13 @@ func needChangeColumnData(oldCol, newCol *model.ColumnInfo) bool { toUnsigned := mysql.HasUnsignedFlag(newCol.Flag) originUnsigned := mysql.HasUnsignedFlag(oldCol.Flag) needTruncationOrToggleSign := func() bool { - return newCol.Flen > 0 && newCol.Flen < oldCol.Flen || toUnsigned != originUnsigned + return (newCol.Flen > 0 && newCol.Flen < oldCol.Flen) || (toUnsigned != originUnsigned) + } + // Ignore the potential max display length represented by integer's flen, use default flen instead. + oldColFlen, _ := mysql.GetDefaultFieldLengthAndDecimal(oldCol.Tp) + newColFlen, _ := mysql.GetDefaultFieldLengthAndDecimal(newCol.Tp) + needTruncationOrToggleSignForInteger := func() bool { + return (newColFlen > 0 && newColFlen < oldColFlen) || (toUnsigned != originUnsigned) } // Deal with the same type. @@ -700,6 +706,8 @@ func needChangeColumnData(oldCol, newCol *model.ColumnInfo) bool { return oldCol.Flen != newCol.Flen || oldCol.Decimal != newCol.Decimal || toUnsigned != originUnsigned case mysql.TypeEnum, mysql.TypeSet: return isElemsChangedToModifyColumn(oldCol.Elems, newCol.Elems) + case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: + return toUnsigned != originUnsigned } return needTruncationOrToggleSign() @@ -715,7 +723,7 @@ func needChangeColumnData(oldCol, newCol *model.ColumnInfo) bool { case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: switch newCol.Tp { case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: - return needTruncationOrToggleSign() + return needTruncationOrToggleSignForInteger() } case mysql.TypeFloat, mysql.TypeDouble: switch newCol.Tp { diff --git a/ddl/column_test.go b/ddl/column_test.go index e080a7e3e6bd1..6dc9125208175 100644 --- a/ddl/column_test.go +++ b/ddl/column_test.go @@ -1152,7 +1152,7 @@ func (s *testColumnSuite) TestModifyColumn(c *C) { err error }{ {"int", "bigint", nil}, - {"int", "int unsigned", errUnsupportedModifyColumn.GenWithStackByArgs("length 10 is less than origin 11, and tidb_enable_change_column_type is false")}, + {"int", "int unsigned", errUnsupportedModifyColumn.GenWithStackByArgs("can't change unsigned integer to signed or vice versa, and tidb_enable_change_column_type is false")}, {"varchar(10)", "text", nil}, {"varbinary(10)", "blob", nil}, {"text", "blob", errUnsupportedModifyCharset.GenWithStackByArgs("charset from utf8mb4 to binary")}, diff --git a/ddl/column_type_change_test.go b/ddl/column_type_change_test.go index 4f3207d032b96..88a7333cda763 100644 --- a/ddl/column_type_change_test.go +++ b/ddl/column_type_change_test.go @@ -939,3 +939,51 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromNumericToOthers(c *C tk.MustExec("alter table t modify b json") tk.MustQuery("select * from t").Check(testkit.Rows("-258.12345 333.33 2000000.20000002 323232323.32323235 -111.11111450195312 -222222222222.22223 \"\\u0015\"")) } + +// Test issue #20529. +func (s *testColumnTypeChangeSuite) TestColumnTypeChangeIgnoreDisplayLength(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.Se.GetSessionVars().EnableChangeColumnType = true + defer func() { + tk.Se.GetSessionVars().EnableChangeColumnType = false + }() + + originalHook := s.dom.DDL().GetHook() + defer s.dom.DDL().(ddl.DDLForTest).SetHook(originalHook) + + var assertResult bool + assertHasAlterWriteReorg := func(tbl table.Table) { + // Restore the assert result to false. + assertResult = false + hook := &ddl.TestDDLCallback{} + hook.OnJobRunBeforeExported = func(job *model.Job) { + if tbl.Meta().ID != job.TableID { + return + } + if job.SchemaState == model.StateWriteReorganization { + assertResult = true + } + } + s.dom.DDL().(ddl.DDLForTest).SetHook(hook) + } + + // Change int to tinyint. + // Although display length is increased, the default flen is decreased, reorg is needed. + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int(1))") + tbl := testGetTableByName(c, tk.Se, "test", "t") + assertHasAlterWriteReorg(tbl) + tk.MustExec("alter table t modify column a tinyint(3)") + c.Assert(assertResult, Equals, true) + + // Change tinyint to tinyint + // Although display length is decreased, default flen is the same, reorg is not needed. + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a tinyint(3))") + tbl = testGetTableByName(c, tk.Se, "test", "t") + assertHasAlterWriteReorg(tbl) + tk.MustExec("alter table t modify column a tinyint(1)") + c.Assert(assertResult, Equals, false) + tk.MustExec("drop table if exists t") +} diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index f7acacd7d4ff6..9a577ca9ad158 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -3385,6 +3385,10 @@ func checkModifyCharsetAndCollation(toCharset, toCollate, origCharset, origColla // CheckModifyTypeCompatible checks whether changes column type to another is compatible considering // field length and precision. func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (allowedChangeColumnValueMsg string, err error) { + var ( + toFlen = to.Flen + originFlen = origin.Flen + ) unsupportedMsg := fmt.Sprintf("type %v not match origin %v", to.CompactStr(), origin.CompactStr()) var skipSignCheck bool var skipLenCheck bool @@ -3405,6 +3409,10 @@ func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (al case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: switch to.Tp { case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: + // For integers, we should ignore the potential display length represented by flen, using + // the default flen of the type. + originFlen, _ = mysql.GetDefaultFieldLengthAndDecimal(origin.Tp) + toFlen, _ = mysql.GetDefaultFieldLengthAndDecimal(to.Tp) // Changing integer to integer, whether reorg is necessary is depend on the flen/decimal/signed. skipSignCheck = true skipLenCheck = true @@ -3527,8 +3535,8 @@ func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (al } } - if to.Flen > 0 && to.Flen < origin.Flen { - msg := fmt.Sprintf("length %d is less than origin %d", to.Flen, origin.Flen) + if toFlen > 0 && toFlen < originFlen { + msg := fmt.Sprintf("length %d is less than origin %d", toFlen, originFlen) if skipLenCheck { return msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) } diff --git a/ddl/ddl_worker_test.go b/ddl/ddl_worker_test.go index 6efa8df25e2df..301bbb43c65b1 100644 --- a/ddl/ddl_worker_test.go +++ b/ddl/ddl_worker_test.go @@ -456,7 +456,7 @@ func buildCancelJobTests(firstID int64) []testCancelJob { {act: model.ActionShardRowID, jobIDs: []int64{firstID + 17}, cancelRetErrs: noErrs, cancelState: model.StateNone}, {act: model.ActionModifyColumn, jobIDs: []int64{firstID + 18}, cancelRetErrs: noErrs, cancelState: model.StateNone}, - {act: model.ActionModifyColumn, jobIDs: []int64{firstID + 19}, cancelRetErrs: []error{admin.ErrCancelFinishedDDLJob.GenWithStackByArgs(firstID + 19)}, cancelState: model.StateDeleteOnly}, + {act: model.ActionModifyColumn, jobIDs: []int64{firstID + 19}, cancelRetErrs: noErrs, cancelState: model.StateDeleteOnly}, {act: model.ActionAddForeignKey, jobIDs: []int64{firstID + 20}, cancelRetErrs: noErrs, cancelState: model.StateNone}, {act: model.ActionAddForeignKey, jobIDs: []int64{firstID + 21}, cancelRetErrs: []error{admin.ErrCancelFinishedDDLJob.GenWithStackByArgs(firstID + 21)}, cancelState: model.StatePublic}, @@ -773,7 +773,7 @@ func (s *testDDLSerialSuite) TestCancelJob(c *C) { // modify none-state column col.DefaultValue = "1" updateTest(&tests[15]) - modifyColumnArgs := []interface{}{col, col.Name, &ast.ColumnPosition{}, byte(0)} + modifyColumnArgs := []interface{}{col, col.Name, &ast.ColumnPosition{}, byte(0), uint64(0)} doDDLJobErrWithSchemaState(ctx, d, c, dbInfo.ID, tblInfo.ID, test.act, modifyColumnArgs, &test.cancelState) c.Check(checkErr, IsNil) changedTable = testGetTable(c, d, dbInfo.ID, tblInfo.ID) @@ -784,13 +784,14 @@ func (s *testDDLSerialSuite) TestCancelJob(c *C) { col.FieldType.Tp = mysql.TypeTiny col.FieldType.Flen = col.FieldType.Flen - 1 updateTest(&tests[16]) - modifyColumnArgs = []interface{}{col, col.Name, &ast.ColumnPosition{}, byte(0)} - doDDLJobSuccess(ctx, d, c, dbInfo.ID, tblInfo.ID, test.act, modifyColumnArgs) + modifyColumnArgs = []interface{}{col, col.Name, &ast.ColumnPosition{}, byte(0), uint64(0)} + cancelState = model.StateNone + doDDLJobErrWithSchemaState(ctx, d, c, dbInfo.ID, tblInfo.ID, test.act, modifyColumnArgs, &cancelState) c.Check(checkErr, IsNil) changedTable = testGetTable(c, d, dbInfo.ID, tblInfo.ID) changedCol = model.FindColumnInfo(changedTable.Meta().Columns, col.Name.L) - c.Assert(changedCol.FieldType.Tp, Equals, mysql.TypeTiny) - c.Assert(changedCol.FieldType.Flen, Equals, col.FieldType.Flen) + c.Assert(changedCol.FieldType.Tp, Equals, mysql.TypeLonglong) + c.Assert(changedCol.FieldType.Flen, Equals, col.FieldType.Flen+1) col.FieldType.Flen++ // Test add foreign key failed cause by canceled. From 0c3b17138ac4892d032c6485750fee9354883ff8 Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Wed, 11 Nov 2020 17:49:26 +0800 Subject: [PATCH 0184/1021] util: support getting the environment memory in container. (#20805) --- util/memory/meminfo.go | 83 ++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 80 insertions(+), 3 deletions(-) diff --git a/util/memory/meminfo.go b/util/memory/meminfo.go index cf989203036a2..b18b2500e4002 100644 --- a/util/memory/meminfo.go +++ b/util/memory/meminfo.go @@ -14,17 +14,94 @@ package memory import ( + "io/ioutil" + "strconv" + "strings" + "github.com/shirou/gopsutil/mem" ) // MemTotal returns the total amount of RAM on this system -func MemTotal() (uint64, error) { +var MemTotal func() (uint64, error) + +// MemUsed returns the total used amount of RAM on this system +var MemUsed func() (uint64, error) + +// MemTotalNormal returns the total amount of RAM on this system in non-container environment. +func MemTotalNormal() (uint64, error) { v, err := mem.VirtualMemory() return v.Total, err } -// MemUsed returns the total used amount of RAM on this system -func MemUsed() (uint64, error) { +// MemUsedNormal returns the total used amount of RAM on this system in non-container environment. +func MemUsedNormal() (uint64, error) { v, err := mem.VirtualMemory() return v.Total - (v.Free + v.Buffers + v.Cached), err } + +const ( + cGroupMemLimitPath = "/sys/fs/cgroup/memory/memory.limit_in_bytes" + cGroupMemUsagePath = "/sys/fs/cgroup/memory/memory.usage_in_bytes" + selfCGroupPath = "/proc/self/cgroup" +) + +// MemTotalCGroup returns the total amount of RAM on this system in container environment. +func MemTotalCGroup() (uint64, error) { + return readUint(cGroupMemLimitPath) +} + +// MemUsedCGroup returns the total used amount of RAM on this system in container environment. +func MemUsedCGroup() (uint64, error) { + return readUint(cGroupMemUsagePath) +} + +func init() { + if inContainer() { + MemTotal = MemTotalCGroup + MemUsed = MemUsedCGroup + } else { + MemTotal = MemTotalNormal + MemUsed = MemUsedNormal + } +} + +func inContainer() bool { + v, err := ioutil.ReadFile(selfCGroupPath) + if err != nil { + return false + } + if strings.Contains(string(v), "docker") || + strings.Contains(string(v), "kubepods") || + strings.Contains(string(v), "containerd") { + return true + } + return false +} + +// refer to https://github.com/containerd/cgroups/blob/318312a373405e5e91134d8063d04d59768a1bff/utils.go#L251 +func parseUint(s string, base, bitSize int) (uint64, error) { + v, err := strconv.ParseUint(s, base, bitSize) + if err != nil { + intValue, intErr := strconv.ParseInt(s, base, bitSize) + // 1. Handle negative values greater than MinInt64 (and) + // 2. Handle negative values lesser than MinInt64 + if intErr == nil && intValue < 0 { + return 0, nil + } else if intErr != nil && + intErr.(*strconv.NumError).Err == strconv.ErrRange && + intValue < 0 { + return 0, nil + } + return 0, err + } + return v, nil +} + +// refer to https://github.com/containerd/cgroups/blob/318312a373405e5e91134d8063d04d59768a1bff/utils.go#L243 +func readUint(path string) (uint64, error) { + v, err := ioutil.ReadFile(path) + if err != nil { + return 0, err + } + return parseUint(strings.TrimSpace(string(v)), 10, 64) +} From d184120a999fc82def74e212d14820a0b4ac5d5f Mon Sep 17 00:00:00 2001 From: tangenta Date: Wed, 11 Nov 2020 18:47:23 +0800 Subject: [PATCH 0185/1021] ddl: use kv.Key as reorg progress marker instead of kv.Handle (#20908) --- ddl/backfilling.go | 178 ++++++++++++++++--------------- ddl/column.go | 51 ++++----- ddl/db_test.go | 4 +- ddl/index.go | 62 +++++------ ddl/reorg.go | 111 ++++++++++--------- ddl/reorg_test.go | 17 ++- ddl/stat.go | 2 +- executor/clustered_index_test.go | 12 +++ meta/meta.go | 67 +++++------- meta/meta_test.go | 24 ++--- util/admin/admin.go | 9 +- util/admin/admin_test.go | 4 +- 12 files changed, 265 insertions(+), 276 deletions(-) diff --git a/ddl/backfilling.go b/ddl/backfilling.go index 4be4c79e53a22..ab7922b4aaeba 100644 --- a/ddl/backfilling.go +++ b/ddl/backfilling.go @@ -14,8 +14,9 @@ package ddl import ( + "bytes" "context" - "math" + "fmt" "strconv" "sync/atomic" "time" @@ -120,14 +121,14 @@ type backfiller interface { type backfillResult struct { addedCount int scanCount int - nextHandle kv.Handle + nextKey kv.Key err error } // backfillTaskContext is the context of the batch adding indices or updating column values. // After finishing the batch adding indices or updating column values, result in backfillTaskContext will be merged into backfillResult. type backfillTaskContext struct { - nextHandle kv.Handle + nextKey kv.Key done bool addedCount int scanCount int @@ -175,20 +176,15 @@ func closeBackfillWorkers(workers []*backfillWorker) { type reorgBackfillTask struct { physicalTableID int64 - startHandle kv.Handle - endHandle kv.Handle - // endIncluded indicates whether the range include the endHandle. - // When the last handle is math.MaxInt64, set endIncluded to true to - // tell worker backfilling index of endHandle. - endIncluded bool + startKey kv.Key + endKey kv.Key } func (r *reorgBackfillTask) String() string { - rightParenthesis := ")" - if r.endIncluded { - rightParenthesis = "]" - } - return "physicalTableID_" + strconv.FormatInt(r.physicalTableID, 10) + "_" + "[" + r.startHandle.String() + "," + r.endHandle.String() + rightParenthesis + physicalID := strconv.FormatInt(r.physicalTableID, 10) + startKey := tryDecodeToHandleString(r.startKey) + endKey := tryDecodeToHandleString(r.endKey) + return "physicalTableID_" + physicalID + "_" + "[" + startKey + "," + endKey + "]" } func logSlowOperations(elapsed time.Duration, slowMsg string, threshold uint32) { @@ -203,7 +199,7 @@ func logSlowOperations(elapsed time.Duration, slowMsg string, threshold uint32) // mergeBackfillCtxToResult merge partial result in taskCtx into result. func mergeBackfillCtxToResult(taskCtx *backfillTaskContext, result *backfillResult) { - result.nextHandle = taskCtx.nextHandle + result.nextKey = taskCtx.nextKey result.addedCount += taskCtx.addedCount result.scanCount += taskCtx.scanCount } @@ -226,7 +222,7 @@ func (w *backfillWorker) handleBackfillTask(d *ddlCtx, task *reorgBackfillTask, result := &backfillResult{ err: nil, addedCount: 0, - nextHandle: handleRange.startHandle, + nextKey: handleRange.startKey, } lastLogCount := 0 lastLogTime := time.Now() @@ -265,19 +261,25 @@ func (w *backfillWorker) handleBackfillTask(d *ddlCtx, task *reorgBackfillTask, if num := result.scanCount - lastLogCount; num >= 30000 { lastLogCount = result.scanCount - logutil.BgLogger().Info("[ddl] backfill worker back fill index", zap.Int("workerID", w.id), zap.Int("addedCount", result.addedCount), - zap.Int("scanCount", result.scanCount), zap.String("nextHandle", toString(taskCtx.nextHandle)), zap.Float64("speed(rows/s)", float64(num)/time.Since(lastLogTime).Seconds())) + logutil.BgLogger().Info("[ddl] backfill worker back fill index", + zap.Int("workerID", w.id), + zap.Int("addedCount", result.addedCount), + zap.Int("scanCount", result.scanCount), + zap.String("nextHandle", tryDecodeToHandleString(taskCtx.nextKey)), + zap.Float64("speed(rows/s)", float64(num)/time.Since(lastLogTime).Seconds())) lastLogTime = time.Now() } - handleRange.startHandle = taskCtx.nextHandle + handleRange.startKey = taskCtx.nextKey if taskCtx.done { break } } logutil.BgLogger().Info("[ddl] backfill worker finish task", zap.Int("workerID", w.id), - zap.String("task", task.String()), zap.Int("addedCount", result.addedCount), - zap.Int("scanCount", result.scanCount), zap.String("nextHandle", toString(result.nextHandle)), + zap.String("task", task.String()), + zap.Int("addedCount", result.addedCount), + zap.Int("scanCount", result.scanCount), + zap.String("nextHandle", tryDecodeToHandleString(result.nextKey)), zap.String("takeTime", time.Since(startTime).String())) return result } @@ -297,7 +299,7 @@ func (w *backfillWorker) run(d *ddlCtx, bf backfiller) { logutil.BgLogger().Debug("[ddl] backfill worker got task", zap.Int("workerID", w.id), zap.String("task", task.String())) failpoint.Inject("mockBackfillRunErr", func() { if w.id == 0 { - result := &backfillResult{addedCount: 0, nextHandle: nil, err: errors.Errorf("mock backfill error")} + result := &backfillResult{addedCount: 0, nextKey: nil, err: errors.Errorf("mock backfill error")} w.resultCh <- result failpoint.Continue() } @@ -314,13 +316,12 @@ func (w *backfillWorker) run(d *ddlCtx, bf backfiller) { // splitTableRanges uses PD region's key ranges to split the backfilling table key range space, // to speed up backfilling data in table with disperse handle. // The `t` should be a non-partitioned table or a partition. -func splitTableRanges(t table.PhysicalTable, store kv.Storage, startHandle, endHandle kv.Handle) ([]kv.KeyRange, error) { - startRecordKey := t.RecordKey(startHandle) - endRecordKey := t.RecordKey(endHandle) - - logutil.BgLogger().Info("[ddl] split table range from PD", zap.Int64("physicalTableID", t.GetPhysicalID()), - zap.String("startHandle", toString(startHandle)), zap.String("endHandle", toString(endHandle))) - kvRange := kv.KeyRange{StartKey: startRecordKey, EndKey: endRecordKey} +func splitTableRanges(t table.PhysicalTable, store kv.Storage, startKey, endKey kv.Key) ([]kv.KeyRange, error) { + logutil.BgLogger().Info("[ddl] split table range from PD", + zap.Int64("physicalTableID", t.GetPhysicalID()), + zap.String("startHandle", tryDecodeToHandleString(startKey)), + zap.String("endHandle", tryDecodeToHandleString(endKey))) + kvRange := kv.KeyRange{StartKey: startKey, EndKey: endKey} s, ok := store.(tikv.Storage) if !ok { // Only support split ranges in tikv.Storage now. @@ -339,10 +340,11 @@ func splitTableRanges(t table.PhysicalTable, store kv.Storage, startHandle, endH return ranges, nil } -func (w *worker) waitTaskResults(workers []*backfillWorker, taskCnt int, totalAddedCount *int64, startHandle kv.Handle) (kv.Handle, int64, error) { +func (w *worker) waitTaskResults(workers []*backfillWorker, taskCnt int, + totalAddedCount *int64, startKey kv.Key) (kv.Key, int64, error) { var ( addedCount int64 - nextHandle = startHandle + nextKey = startKey firstErr error ) for i := 0; i < taskCnt; i++ { @@ -362,11 +364,11 @@ func (w *worker) waitTaskResults(workers []*backfillWorker, taskCnt int, totalAd if firstErr == nil { *totalAddedCount += int64(result.addedCount) addedCount += int64(result.addedCount) - nextHandle = result.nextHandle + nextKey = result.nextKey } } - return nextHandle, addedCount, errors.Trace(firstErr) + return nextKey, addedCount, errors.Trace(firstErr) } // handleReorgTasks sends tasks to workers, and waits for all the running workers to return results, @@ -376,10 +378,10 @@ func (w *worker) handleReorgTasks(reorgInfo *reorgInfo, totalAddedCount *int64, workers[i].taskCh <- task } - startHandle := batchTasks[0].startHandle + startKey := batchTasks[0].startKey taskCnt := len(batchTasks) startTime := time.Now() - nextHandle, taskAddedCount, err := w.waitTaskResults(workers, taskCnt, totalAddedCount, startHandle) + nextKey, taskAddedCount, err := w.waitTaskResults(workers, taskCnt, totalAddedCount, startKey) elapsedTime := time.Since(startTime) if err == nil { err = w.isReorgRunnable(reorgInfo.d) @@ -387,58 +389,67 @@ func (w *worker) handleReorgTasks(reorgInfo *reorgInfo, totalAddedCount *int64, if err != nil { // Update the reorg handle that has been processed. - err1 := reorgInfo.UpdateReorgMeta(nextHandle) + err1 := reorgInfo.UpdateReorgMeta(nextKey) metrics.BatchAddIdxHistogram.WithLabelValues(metrics.LblError).Observe(elapsedTime.Seconds()) logutil.BgLogger().Warn("[ddl] backfill worker handle batch tasks failed", - zap.ByteString("elementType", reorgInfo.currElement.TypeKey), zap.Int64("elementID", reorgInfo.currElement.ID), - zap.Int64("totalAddedCount", *totalAddedCount), zap.String("startHandle", toString(startHandle)), - zap.String("nextHandle", toString(nextHandle)), zap.Int64("batchAddedCount", taskAddedCount), - zap.String("taskFailedError", err.Error()), zap.String("takeTime", elapsedTime.String()), + zap.ByteString("elementType", reorgInfo.currElement.TypeKey), + zap.Int64("elementID", reorgInfo.currElement.ID), + zap.Int64("totalAddedCount", *totalAddedCount), + zap.String("startHandle", tryDecodeToHandleString(startKey)), + zap.String("nextHandle", tryDecodeToHandleString(nextKey)), + zap.Int64("batchAddedCount", taskAddedCount), + zap.String("taskFailedError", err.Error()), + zap.String("takeTime", elapsedTime.String()), zap.NamedError("updateHandleError", err1)) return errors.Trace(err) } // nextHandle will be updated periodically in runReorgJob, so no need to update it here. - w.reorgCtx.setNextHandle(nextHandle) + w.reorgCtx.setNextKey(nextKey) metrics.BatchAddIdxHistogram.WithLabelValues(metrics.LblOK).Observe(elapsedTime.Seconds()) logutil.BgLogger().Info("[ddl] backfill workers successfully processed batch", - zap.ByteString("elementType", reorgInfo.currElement.TypeKey), zap.Int64("elementID", reorgInfo.currElement.ID), - zap.Int64("totalAddedCount", *totalAddedCount), zap.String("startHandle", toString(startHandle)), - zap.String("nextHandle", toString(nextHandle)), zap.Int64("batchAddedCount", taskAddedCount), zap.String("takeTime", elapsedTime.String())) + zap.ByteString("elementType", reorgInfo.currElement.TypeKey), + zap.Int64("elementID", reorgInfo.currElement.ID), + zap.Int64("totalAddedCount", *totalAddedCount), + zap.String("startHandle", tryDecodeToHandleString(startKey)), + zap.String("nextHandle", tryDecodeToHandleString(nextKey)), + zap.Int64("batchAddedCount", taskAddedCount), + zap.String("takeTime", elapsedTime.String())) return nil } -func decodeHandleRange(keyRange kv.KeyRange) (kv.Handle, kv.Handle, error) { - startHandle, err := tablecodec.DecodeRowKey(keyRange.StartKey) +func tryDecodeToHandleString(key kv.Key) string { + handle, err := tablecodec.DecodeRowKey(key) if err != nil { - return nil, nil, errors.Trace(err) - } - endHandle, err := tablecodec.DecodeRowKey(keyRange.EndKey) - if err != nil { - return nil, nil, errors.Trace(err) + recordPrefixIdx := bytes.Index(key, []byte("_r")) + if recordPrefixIdx == -1 { + return fmt.Sprintf("key: %x", key) + } + handleBytes := key[recordPrefixIdx+2:] + terminatedWithZero := len(handleBytes) > 0 && handleBytes[len(handleBytes)-1] == 0 + if terminatedWithZero { + handle, err := tablecodec.DecodeRowKey(key[:len(key)-1]) + if err == nil { + return handle.String() + ".next" + } + } + return fmt.Sprintf("%x", handleBytes) } - - return startHandle, endHandle, nil + return handle.String() } // sendRangeTaskToWorkers sends tasks to workers, and returns remaining kvRanges that is not handled. func (w *worker) sendRangeTaskToWorkers(workers []*backfillWorker, reorgInfo *reorgInfo, - totalAddedCount *int64, kvRanges []kv.KeyRange, globalEndHandle kv.Handle) ([]kv.KeyRange, error) { + totalAddedCount *int64, kvRanges []kv.KeyRange) ([]kv.KeyRange, error) { batchTasks := make([]*reorgBackfillTask, 0, len(workers)) physicalTableID := reorgInfo.PhysicalTableID // Build reorg tasks. for _, keyRange := range kvRanges { - startHandle, endHandle, err := decodeHandleRange(keyRange) - if err != nil { - return nil, errors.Trace(err) - } - - endIncluded := false - if endHandle.Equal(globalEndHandle) { - endIncluded = true - } - task := &reorgBackfillTask{physicalTableID, startHandle, endHandle, endIncluded} + task := &reorgBackfillTask{ + physicalTableID: physicalTableID, + startKey: keyRange.StartKey, + endKey: keyRange.EndKey} batchTasks = append(batchTasks, task) if len(batchTasks) >= len(workers) { @@ -520,7 +531,7 @@ func (w *worker) writePhysicalTableRecord(t table.PhysicalTable, bfWorkerType ba job := reorgInfo.Job totalAddedCount := job.GetRowCount() - startHandle, endHandle := reorgInfo.StartHandle, reorgInfo.EndHandle + startKey, endKey := reorgInfo.StartKey, reorgInfo.EndKey sessCtx := newContext(reorgInfo.d.store) decodeColMap, err := makeupDecodeColMap(sessCtx, t) if err != nil { @@ -530,7 +541,7 @@ func (w *worker) writePhysicalTableRecord(t table.PhysicalTable, bfWorkerType ba if err := w.isReorgRunnable(reorgInfo.d); err != nil { return errors.Trace(err) } - if startHandle == nil && endHandle == nil { + if startKey == nil && endKey == nil { return nil } @@ -548,7 +559,7 @@ func (w *worker) writePhysicalTableRecord(t table.PhysicalTable, bfWorkerType ba }() for { - kvRanges, err := splitTableRanges(t, reorgInfo.d.store, startHandle, endHandle) + kvRanges, err := splitTableRanges(t, reorgInfo.d.store, startKey, endKey) if err != nil { return errors.Trace(err) } @@ -619,9 +630,12 @@ func (w *worker) writePhysicalTableRecord(t table.PhysicalTable, bfWorkerType ba } }) - logutil.BgLogger().Info("[ddl] start backfill workers to reorg record", zap.Int("workerCnt", len(backfillWorkers)), - zap.Int("regionCnt", len(kvRanges)), zap.String("startHandle", toString(startHandle)), zap.String("endHandle", toString(endHandle))) - remains, err := w.sendRangeTaskToWorkers(backfillWorkers, reorgInfo, &totalAddedCount, kvRanges, endHandle) + logutil.BgLogger().Info("[ddl] start backfill workers to reorg record", + zap.Int("workerCnt", len(backfillWorkers)), + zap.Int("regionCnt", len(kvRanges)), + zap.String("startHandle", tryDecodeToHandleString(startKey)), + zap.String("endHandle", tryDecodeToHandleString(endKey))) + remains, err := w.sendRangeTaskToWorkers(backfillWorkers, reorgInfo, &totalAddedCount, kvRanges) if err != nil { return errors.Trace(err) } @@ -629,10 +643,7 @@ func (w *worker) writePhysicalTableRecord(t table.PhysicalTable, bfWorkerType ba if len(remains) == 0 { break } - startHandle, _, err = decodeHandleRange(remains[0]) - if err != nil { - return errors.Trace(err) - } + startKey = remains[0].StartKey } return nil } @@ -640,27 +651,20 @@ func (w *worker) writePhysicalTableRecord(t table.PhysicalTable, bfWorkerType ba // recordIterFunc is used for low-level record iteration. type recordIterFunc func(h kv.Handle, rowKey kv.Key, rawRecord []byte) (more bool, err error) -func iterateSnapshotRows(store kv.Storage, priority int, t table.Table, version uint64, startHandle kv.Handle, endHandle kv.Handle, endIncluded bool, fn recordIterFunc) error { +func iterateSnapshotRows(store kv.Storage, priority int, t table.Table, version uint64, + startKey kv.Key, endKey kv.Key, fn recordIterFunc) error { var firstKey kv.Key - if startHandle == nil { + if startKey == nil { firstKey = t.RecordPrefix() } else { - firstKey = t.RecordKey(startHandle) + firstKey = startKey } var upperBound kv.Key - if endHandle == nil { + if endKey == nil { upperBound = t.RecordPrefix().PrefixNext() } else { - if endIncluded { - if endHandle.IsInt() && endHandle.IntValue() == math.MaxInt64 { - upperBound = t.RecordKey(endHandle).PrefixNext() - } else { - upperBound = t.RecordKey(endHandle.Next()) - } - } else { - upperBound = t.RecordKey(endHandle) - } + upperBound = endKey.PrefixNext() } ver := kv.Version{Ver: version} diff --git a/ddl/column.go b/ddl/column.go index 7578d81ec0ed5..2874bd3d587c1 100644 --- a/ddl/column.go +++ b/ddl/column.go @@ -16,7 +16,6 @@ package ddl import ( "bytes" "fmt" - "math" "math/bits" "strings" "sync/atomic" @@ -1115,15 +1114,18 @@ func (w *worker) updateColumnAndIndexes(t table.Table, oldCol, col *model.Column // This backfill job has been exited during processing. At that time, the element is reorgInfo.elements[i+1] and handle range is [reorgInfo.StartHandle, reorgInfo.EndHandle]. // Then the handle range of the rest elements' is [originalStartHandle, originalEndHandle]. if i == startElementOffsetToResetHandle+1 { - reorgInfo.StartHandle, reorgInfo.EndHandle = originalStartHandle, originalEndHandle + reorgInfo.StartKey, reorgInfo.EndKey = originalStartHandle, originalEndHandle } reorgInfo.currElement = reorgInfo.elements[i+1] // Write the reorg info to store so the whole reorganize process can recover from panic. - err := reorgInfo.UpdateReorgMeta(reorgInfo.StartHandle) - logutil.BgLogger().Info("[ddl] update column and indexes", zap.Int64("jobID", reorgInfo.Job.ID), - zap.ByteString("elementType", reorgInfo.currElement.TypeKey), zap.Int64("elementID", reorgInfo.currElement.ID), - zap.String("startHandle", toString(reorgInfo.StartHandle)), zap.String("endHandle", toString(reorgInfo.EndHandle))) + err := reorgInfo.UpdateReorgMeta(reorgInfo.StartKey) + logutil.BgLogger().Info("[ddl] update column and indexes", + zap.Int64("jobID", reorgInfo.Job.ID), + zap.ByteString("elementType", reorgInfo.currElement.TypeKey), + zap.Int64("elementID", reorgInfo.currElement.ID), + zap.String("startHandle", tryDecodeToHandleString(reorgInfo.StartKey)), + zap.String("endHandle", tryDecodeToHandleString(reorgInfo.EndKey))) if err != nil { return errors.Trace(err) } @@ -1174,43 +1176,32 @@ type rowRecord struct { warning *terror.Error // It's used to record the cast warning of a record. } -// getNextHandle gets next handle of entry that we are going to process. -func (w *updateColumnWorker) getNextHandle(taskRange reorgBackfillTask, taskDone bool, lastAccessedHandle kv.Handle) (nextHandle kv.Handle) { +// getNextKey gets next handle of entry that we are going to process. +func (w *updateColumnWorker) getNextKey(taskRange reorgBackfillTask, + taskDone bool, lastAccessedHandle kv.Key) (nextHandle kv.Key) { if !taskDone { // The task is not done. So we need to pick the last processed entry's handle and add one. return lastAccessedHandle.Next() } - // The task is done. So we need to choose a handle outside this range. - // Some corner cases should be considered: - // - The end of task range is MaxInt64. - // - The end of the task is excluded in the range. - if (taskRange.endHandle.IsInt() && taskRange.endHandle.IntValue() == math.MaxInt64) || !taskRange.endIncluded { - return taskRange.endHandle - } - - return taskRange.endHandle.Next() + return taskRange.endKey.Next() } -func (w *updateColumnWorker) fetchRowColVals(txn kv.Transaction, taskRange reorgBackfillTask) ([]*rowRecord, kv.Handle, bool, error) { +func (w *updateColumnWorker) fetchRowColVals(txn kv.Transaction, taskRange reorgBackfillTask) ([]*rowRecord, kv.Key, bool, error) { w.rowRecords = w.rowRecords[:0] startTime := time.Now() // taskDone means that the added handle is out of taskRange.endHandle. taskDone := false - var lastAccessedHandle kv.Handle + var lastAccessedHandle kv.Key oprStartTime := startTime - err := iterateSnapshotRows(w.sessCtx.GetStore(), w.priority, w.table, txn.StartTS(), taskRange.startHandle, taskRange.endHandle, taskRange.endIncluded, + err := iterateSnapshotRows(w.sessCtx.GetStore(), w.priority, w.table, txn.StartTS(), taskRange.startKey, taskRange.endKey, func(handle kv.Handle, recordKey kv.Key, rawRow []byte) (bool, error) { oprEndTime := time.Now() logSlowOperations(oprEndTime.Sub(oprStartTime), "iterateSnapshotRows in updateColumnWorker fetchRowColVals", 0) oprStartTime = oprEndTime - if !taskRange.endIncluded { - taskDone = handle.Compare(taskRange.endHandle) >= 0 - } else { - taskDone = handle.Compare(taskRange.endHandle) > 0 - } + taskDone = recordKey.Cmp(taskRange.endKey) > 0 if taskDone || len(w.rowRecords) >= w.batchCnt { return false, nil @@ -1219,8 +1210,8 @@ func (w *updateColumnWorker) fetchRowColVals(txn kv.Transaction, taskRange reorg if err1 := w.getRowRecord(handle, recordKey, rawRow); err1 != nil { return false, errors.Trace(err1) } - lastAccessedHandle = handle - if handle.Equal(taskRange.endHandle) { + lastAccessedHandle = recordKey + if recordKey.Cmp(taskRange.endKey) == 0 { // If taskRange.endIncluded == false, we will not reach here when handle == taskRange.endHandle. taskDone = true return false, nil @@ -1233,7 +1224,7 @@ func (w *updateColumnWorker) fetchRowColVals(txn kv.Transaction, taskRange reorg } logutil.BgLogger().Debug("[ddl] txn fetches handle info", zap.Uint64("txnStartTS", txn.StartTS()), zap.String("taskRange", taskRange.String()), zap.Duration("takeTime", time.Since(startTime))) - return w.rowRecords, w.getNextHandle(taskRange, taskDone, lastAccessedHandle), taskDone, errors.Trace(err) + return w.rowRecords, w.getNextKey(taskRange, taskDone, lastAccessedHandle), taskDone, errors.Trace(err) } func (w *updateColumnWorker) getRowRecord(handle kv.Handle, recordKey []byte, rawRow []byte) error { @@ -1315,11 +1306,11 @@ func (w *updateColumnWorker) BackfillDataInTxn(handleRange reorgBackfillTask) (t taskCtx.scanCount = 0 txn.SetOption(kv.Priority, w.priority) - rowRecords, nextHandle, taskDone, err := w.fetchRowColVals(txn, handleRange) + rowRecords, nextKey, taskDone, err := w.fetchRowColVals(txn, handleRange) if err != nil { return errors.Trace(err) } - taskCtx.nextHandle = nextHandle + taskCtx.nextKey = nextKey taskCtx.done = taskDone warningsMap := make(map[errors.ErrorID]*terror.Error, len(rowRecords)) diff --git a/ddl/db_test.go b/ddl/db_test.go index 513367e4ddc2a..48b4f72664ce6 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -353,7 +353,7 @@ func (s *testSerialDBSuite) TestAddExpressionIndexRollback(c *C) { txn, err := ctx.Txn(true) c.Assert(err, IsNil) m := meta.NewMeta(txn) - element, start, end, physicalID, err := m.GetDDLReorgHandle(currJob, false) + element, start, end, physicalID, err := m.GetDDLReorgHandle(currJob) c.Assert(meta.ErrDDLReorgElementNotExist.Equal(err), IsTrue) c.Assert(element, IsNil) c.Assert(start, IsNil) @@ -3929,7 +3929,7 @@ func (s *testSerialDBSuite) TestModifyColumnnReorgInfo(c *C) { txn, err := ctx.Txn(true) c.Assert(err, IsNil) m := meta.NewMeta(txn) - e, start, end, physicalID, err := m.GetDDLReorgHandle(currJob, false) + e, start, end, physicalID, err := m.GetDDLReorgHandle(currJob) c.Assert(meta.ErrDDLReorgElementNotExist.Equal(err), IsTrue) c.Assert(e, IsNil) c.Assert(start, IsNil) diff --git a/ddl/index.go b/ddl/index.go index 8a97680bb04f5..4a2871ae033f0 100644 --- a/ddl/index.go +++ b/ddl/index.go @@ -15,7 +15,6 @@ package ddl import ( "context" - "math" "strings" "sync/atomic" "time" @@ -927,22 +926,14 @@ func (w *baseIndexWorker) cleanRowMap() { } } -// getNextHandle gets next handle of entry that we are going to process. -func (w *baseIndexWorker) getNextHandle(taskRange reorgBackfillTask, taskDone bool) (nextHandle kv.Handle) { +// getNextKey gets next key of entry that we are going to process. +func (w *baseIndexWorker) getNextKey(taskRange reorgBackfillTask, taskDone bool) (nextKey kv.Key) { if !taskDone { // The task is not done. So we need to pick the last processed entry's handle and add one. - return w.idxRecords[len(w.idxRecords)-1].handle.Next() + lastHandle := w.idxRecords[len(w.idxRecords)-1].handle + return w.table.RecordKey(lastHandle).Next() } - - // The task is done. So we need to choose a handle outside this range. - // Some corner cases should be considered: - // - The end of task range is MaxInt64. - // - The end of the task is excluded in the range. - if (taskRange.endHandle.IsInt() && taskRange.endHandle.IntValue() == math.MaxInt64) || !taskRange.endIncluded { - return taskRange.endHandle - } - - return taskRange.endHandle.Next() + return taskRange.endKey.Next() } func (w *baseIndexWorker) updateRowDecoder(handle kv.Handle, recordKey []byte, rawRecord []byte) error { @@ -960,7 +951,7 @@ func (w *baseIndexWorker) updateRowDecoder(handle kv.Handle, recordKey []byte, r // 2. Next handle of entry that we need to process. // 3. Boolean indicates whether the task is done. // 4. error occurs in fetchRowColVals. nil if no error occurs. -func (w *baseIndexWorker) fetchRowColVals(txn kv.Transaction, taskRange reorgBackfillTask) ([]*indexRecord, kv.Handle, bool, error) { +func (w *baseIndexWorker) fetchRowColVals(txn kv.Transaction, taskRange reorgBackfillTask) ([]*indexRecord, kv.Key, bool, error) { // TODO: use tableScan to prune columns. w.idxRecords = w.idxRecords[:0] startTime := time.Now() @@ -968,17 +959,13 @@ func (w *baseIndexWorker) fetchRowColVals(txn kv.Transaction, taskRange reorgBac // taskDone means that the reorged handle is out of taskRange.endHandle. taskDone := false oprStartTime := startTime - err := iterateSnapshotRows(w.sessCtx.GetStore(), w.priority, w.table, txn.StartTS(), taskRange.startHandle, taskRange.endHandle, taskRange.endIncluded, + err := iterateSnapshotRows(w.sessCtx.GetStore(), w.priority, w.table, txn.StartTS(), taskRange.startKey, taskRange.endKey, func(handle kv.Handle, recordKey kv.Key, rawRow []byte) (bool, error) { oprEndTime := time.Now() logSlowOperations(oprEndTime.Sub(oprStartTime), "iterateSnapshotRows in baseIndexWorker fetchRowColVals", 0) oprStartTime = oprEndTime - if !taskRange.endIncluded { - taskDone = handle.Compare(taskRange.endHandle) >= 0 - } else { - taskDone = handle.Compare(taskRange.endHandle) > 0 - } + taskDone = recordKey.Cmp(taskRange.endKey) > 0 if taskDone || len(w.idxRecords) >= w.batchCnt { return false, nil @@ -1000,7 +987,7 @@ func (w *baseIndexWorker) fetchRowColVals(txn kv.Transaction, taskRange reorgBac // the generated value, so we need to clear up the reusing map. w.cleanRowMap() - if handle.Equal(taskRange.endHandle) { + if recordKey.Cmp(taskRange.endKey) == 0 { // If taskRange.endIncluded == false, we will not reach here when handle == taskRange.endHandle taskDone = true return false, nil @@ -1014,7 +1001,7 @@ func (w *baseIndexWorker) fetchRowColVals(txn kv.Transaction, taskRange reorgBac logutil.BgLogger().Debug("[ddl] txn fetches handle info", zap.Uint64("txnStartTS", txn.StartTS()), zap.String("taskRange", taskRange.String()), zap.Duration("takeTime", time.Since(startTime))) - return w.idxRecords, w.getNextHandle(taskRange, taskDone), taskDone, errors.Trace(err) + return w.idxRecords, w.getNextKey(taskRange, taskDone), taskDone, errors.Trace(err) } func (w *addIndexWorker) initBatchCheckBufs(batchCount int) { @@ -1099,11 +1086,11 @@ func (w *addIndexWorker) BackfillDataInTxn(handleRange reorgBackfillTask) (taskC taskCtx.scanCount = 0 txn.SetOption(kv.Priority, w.priority) - idxRecords, nextHandle, taskDone, err := w.fetchRowColVals(txn, handleRange) + idxRecords, nextKey, taskDone, err := w.fetchRowColVals(txn, handleRange) if err != nil { return errors.Trace(err) } - taskCtx.nextHandle = nextHandle + taskCtx.nextKey = nextKey taskCtx.done = taskDone err = w.batchCheckUniqueKey(txn, idxRecords) @@ -1213,14 +1200,17 @@ func (w *worker) updateReorgInfo(t table.PartitionedTable, reorg *reorgInfo) (bo if err != nil { return false, errors.Trace(err) } - reorg.StartHandle, reorg.EndHandle, reorg.PhysicalTableID = start, end, pid + reorg.StartKey, reorg.EndKey, reorg.PhysicalTableID = start, end, pid // Write the reorg info to store so the whole reorganize process can recover from panic. err = reorg.UpdateReorgMeta(start) - logutil.BgLogger().Info("[ddl] job update reorgInfo", zap.Int64("jobID", reorg.Job.ID), - zap.ByteString("elementType", reorg.currElement.TypeKey), zap.Int64("elementID", reorg.currElement.ID), - zap.Int64("partitionTableID", pid), zap.String("startHandle", toString(start)), - zap.String("endHandle", toString(end)), zap.Error(err)) + logutil.BgLogger().Info("[ddl] job update reorgInfo", + zap.Int64("jobID", reorg.Job.ID), + zap.ByteString("elementType", reorg.currElement.TypeKey), + zap.Int64("elementID", reorg.currElement.ID), + zap.Int64("partitionTableID", pid), + zap.String("startHandle", tryDecodeToHandleString(start)), + zap.String("endHandle", tryDecodeToHandleString(end)), zap.Error(err)) return false, errors.Trace(err) } @@ -1308,11 +1298,11 @@ func (w *cleanUpIndexWorker) BackfillDataInTxn(handleRange reorgBackfillTask) (t taskCtx.scanCount = 0 txn.SetOption(kv.Priority, w.priority) - idxRecords, nextHandle, taskDone, err := w.fetchRowColVals(txn, handleRange) + idxRecords, nextKey, taskDone, err := w.fetchRowColVals(txn, handleRange) if err != nil { return errors.Trace(err) } - taskCtx.nextHandle = nextHandle + taskCtx.nextKey = nextKey taskCtx.done = taskDone n := len(w.indexes) @@ -1389,14 +1379,14 @@ func (w *worker) updateReorgInfoForPartitions(t table.PartitionedTable, reorg *r if err != nil { return false, errors.Trace(err) } - reorg.StartHandle, reorg.EndHandle, reorg.PhysicalTableID = start, end, pid + reorg.StartKey, reorg.EndKey, reorg.PhysicalTableID = start, end, pid // Write the reorg info to store so the whole reorganize process can recover from panic. - err = reorg.UpdateReorgMeta(reorg.StartHandle) + err = reorg.UpdateReorgMeta(reorg.StartKey) logutil.BgLogger().Info("[ddl] job update reorgInfo", zap.Int64("jobID", reorg.Job.ID), zap.ByteString("elementType", reorg.currElement.TypeKey), zap.Int64("elementID", reorg.currElement.ID), - zap.Int64("partitionTableID", pid), zap.String("startHandle", toString(start)), - zap.String("endHandle", toString(end)), zap.Error(err)) + zap.Int64("partitionTableID", pid), zap.String("startHandle", tryDecodeToHandleString(start)), + zap.String("endHandle", tryDecodeToHandleString(end)), zap.Error(err)) return false, errors.Trace(err) } diff --git a/ddl/reorg.go b/ddl/reorg.go index 3e9359c7fe52e..012d5aa138a60 100644 --- a/ddl/reorg.go +++ b/ddl/reorg.go @@ -62,7 +62,8 @@ type reorgCtx struct { // 1: job is canceled. notifyCancelReorgJob int32 // doneHandle is used to simulate the handle that has been processed. - doneHandle atomic.Value // nullableHandle + + doneKey atomic.Value // nullable kv.Key // warnings is used to store the warnings when doing the reorg job under // a certain SQL Mode. @@ -73,10 +74,10 @@ type reorgCtx struct { } } -// nullableHandle can store handle. +// nullableKey can store kv.Key. // Storing a nil object to atomic.Value can lead to panic. This is a workaround. -type nullableHandle struct { - handle kv.Handle +type nullableKey struct { + key kv.Key } // toString is used in log to avoid nil dereference panic. @@ -117,8 +118,8 @@ func (rc *reorgCtx) setRowCount(count int64) { atomic.StoreInt64(&rc.rowCount, count) } -func (rc *reorgCtx) setNextHandle(doneHandle kv.Handle) { - rc.doneHandle.Store(nullableHandle{handle: doneHandle}) +func (rc *reorgCtx) setNextKey(doneKey kv.Key) { + rc.doneKey.Store(nullableKey{key: doneKey}) } func (rc *reorgCtx) mergeWarnings(warnings map[errors.ErrorID]*terror.Error, warningsCount map[errors.ErrorID]int64) { @@ -141,15 +142,15 @@ func (rc *reorgCtx) increaseRowCount(count int64) { atomic.AddInt64(&rc.rowCount, count) } -func (rc *reorgCtx) getRowCountAndHandle() (int64, kv.Handle) { +func (rc *reorgCtx) getRowCountAndKey() (int64, kv.Key) { row := atomic.LoadInt64(&rc.rowCount) - h, _ := (rc.doneHandle.Load()).(nullableHandle) - return row, h.handle + h, _ := (rc.doneKey.Load()).(nullableKey) + return row, h.key } func (rc *reorgCtx) clean() { rc.setRowCount(0) - rc.setNextHandle(nil) + rc.setNextKey(nil) rc.resetWarnings() rc.doneCh = nil } @@ -182,7 +183,7 @@ func (w *worker) runReorgJob(t *meta.Meta, reorgInfo *reorgInfo, tblInfo *model. w.reorgCtx.doneCh = make(chan error, 1) // initial reorgCtx w.reorgCtx.setRowCount(job.GetRowCount()) - w.reorgCtx.setNextHandle(reorgInfo.StartHandle) + w.reorgCtx.setNextKey(reorgInfo.StartKey) w.reorgCtx.mu.warnings = make(map[errors.ErrorID]*terror.Error) w.reorgCtx.mu.warningsCount = make(map[errors.ErrorID]int64) go func() { @@ -204,7 +205,7 @@ func (w *worker) runReorgJob(t *meta.Meta, reorgInfo *reorgInfo, tblInfo *model. // wait reorganization job done or timeout select { case err := <-w.reorgCtx.doneCh: - rowCount, _ := w.reorgCtx.getRowCountAndHandle() + rowCount, _ := w.reorgCtx.getRowCountAndKey() logutil.BgLogger().Info("[ddl] run reorg job done", zap.Int64("handled rows", rowCount)) // Update a job's RowCount. job.SetRowCount(rowCount) @@ -227,13 +228,13 @@ func (w *worker) runReorgJob(t *meta.Meta, reorgInfo *reorgInfo, tblInfo *model. } case <-w.ctx.Done(): logutil.BgLogger().Info("[ddl] run reorg job quit") - w.reorgCtx.setNextHandle(nil) + w.reorgCtx.setNextKey(nil) w.reorgCtx.setRowCount(0) w.reorgCtx.resetWarnings() // We return errWaitReorgTimeout here too, so that outer loop will break. return errWaitReorgTimeout case <-time.After(waitTimeout): - rowCount, doneHandle := w.reorgCtx.getRowCountAndHandle() + rowCount, doneKey := w.reorgCtx.getRowCountAndKey() // Update a job's RowCount. job.SetRowCount(rowCount) updateAddIndexProgress(w, tblInfo, rowCount) @@ -243,10 +244,14 @@ func (w *worker) runReorgJob(t *meta.Meta, reorgInfo *reorgInfo, tblInfo *model. w.reorgCtx.resetWarnings() // Update a reorgInfo's handle. - err := t.UpdateDDLReorgStartHandle(job, reorgInfo.currElement, doneHandle) - logutil.BgLogger().Info("[ddl] run reorg job wait timeout", zap.Duration("waitTime", waitTimeout), - zap.ByteString("elementType", reorgInfo.currElement.TypeKey), zap.Int64("elementID", reorgInfo.currElement.ID), - zap.Int64("totalAddedRowCount", rowCount), zap.String("doneHandle", toString(doneHandle)), zap.Error(err)) + err := t.UpdateDDLReorgStartHandle(job, reorgInfo.currElement, doneKey) + logutil.BgLogger().Info("[ddl] run reorg job wait timeout", + zap.Duration("waitTime", waitTimeout), + zap.ByteString("elementType", reorgInfo.currElement.TypeKey), + zap.Int64("elementID", reorgInfo.currElement.ID), + zap.Int64("totalAddedRowCount", rowCount), + zap.String("doneKey", tryDecodeToHandleString(doneKey)), + zap.Error(err)) // If timeout, we will return, check the owner and retry to wait job done again. return errWaitReorgTimeout } @@ -324,12 +329,10 @@ func (w *worker) isReorgRunnable(d *ddlCtx) error { type reorgInfo struct { *model.Job - // StartHandle is the first handle of the adding indices table. - StartHandle kv.Handle - // EndHandle is the last handle of the adding indices table. - EndHandle kv.Handle - d *ddlCtx - first bool + StartKey kv.Key + EndKey kv.Key + d *ddlCtx + first bool // PhysicalTableID is used for partitioned table. // DDL reorganize for a partitioned table will handle partitions one by one, // PhysicalTableID is used to trace the current partition we are handling. @@ -342,8 +345,8 @@ type reorgInfo struct { func (r *reorgInfo) String() string { return "CurrElementType:" + string(r.currElement.TypeKey) + "," + "CurrElementID:" + strconv.FormatInt(r.currElement.ID, 10) + "," + - "StartHandle:" + toString(r.StartHandle) + "," + - "EndHandle:" + toString(r.EndHandle) + "," + + "StartHandle:" + tryDecodeToHandleString(r.StartKey) + "," + + "EndHandle:" + tryDecodeToHandleString(r.EndKey) + "," + "First:" + strconv.FormatBool(r.first) + "," + "PhysicalTableID:" + strconv.FormatInt(r.PhysicalTableID, 10) } @@ -492,25 +495,29 @@ func buildCommonHandleFromChunkRow(sctx *stmtctx.StatementContext, tblInfo *mode } // getTableRange gets the start and end handle of a table (or partition). -func getTableRange(d *ddlCtx, tbl table.PhysicalTable, snapshotVer uint64, priority int) (startHandle, endHandle kv.Handle, err error) { +func getTableRange(d *ddlCtx, tbl table.PhysicalTable, snapshotVer uint64, priority int) (startHandleKey, endHandleKey kv.Key, err error) { // Get the start handle of this partition. - err = iterateSnapshotRows(d.store, priority, tbl, snapshotVer, nil, nil, true, + err = iterateSnapshotRows(d.store, priority, tbl, snapshotVer, nil, nil, func(h kv.Handle, rowKey kv.Key, rawRecord []byte) (bool, error) { - startHandle = h + startHandleKey = rowKey return false, nil }) if err != nil { - return startHandle, endHandle, errors.Trace(err) + return startHandleKey, endHandleKey, errors.Trace(err) } - var emptyTable bool - endHandle, emptyTable, err = d.GetTableMaxHandle(snapshotVer, tbl) + maxHandle, isEmptyTable, err := d.GetTableMaxHandle(snapshotVer, tbl) if err != nil { - return startHandle, endHandle, errors.Trace(err) + return startHandleKey, nil, errors.Trace(err) + } + if maxHandle != nil { + endHandleKey = tbl.RecordKey(maxHandle) } - if emptyTable || endHandle.Compare(startHandle) < 0 { + if isEmptyTable || endHandleKey.Cmp(startHandleKey) < 0 { logutil.BgLogger().Info("[ddl] get table range, endHandle < startHandle", zap.String("table", fmt.Sprintf("%v", tbl.Meta())), - zap.Int64("table/partition ID", tbl.GetPhysicalID()), zap.String("endHandle", toString(endHandle)), zap.String("startHandle", toString(startHandle))) - endHandle = startHandle + zap.Int64("table/partition ID", tbl.GetPhysicalID()), + zap.String("endHandle", tryDecodeToHandleString(endHandleKey)), + zap.String("startHandle", tryDecodeToHandleString(startHandleKey))) + endHandleKey = startHandleKey } return } @@ -528,8 +535,8 @@ func getValidCurrentVersion(store kv.Storage) (ver kv.Version, err error) { func getReorgInfo(d *ddlCtx, t *meta.Meta, job *model.Job, tbl table.Table, elements []*meta.Element) (*reorgInfo, error) { var ( element *meta.Element - start kv.Handle - end kv.Handle + start kv.Key + end kv.Key pid int64 info reorgInfo ) @@ -568,7 +575,8 @@ func getReorgInfo(d *ddlCtx, t *meta.Meta, job *model.Job, tbl table.Table, elem } logutil.BgLogger().Info("[ddl] job get table range", zap.Int64("jobID", job.ID), zap.Int64("physicalTableID", pid), - zap.String("startHandle", toString(start)), zap.String("endHandle", toString(end))) + zap.String("startHandle", tryDecodeToHandleString(start)), + zap.String("endHandle", tryDecodeToHandleString(end))) failpoint.Inject("errorUpdateReorgHandle", func() (*reorgInfo, error) { return &info, errors.New("occur an error when update reorg handle") @@ -593,7 +601,7 @@ func getReorgInfo(d *ddlCtx, t *meta.Meta, job *model.Job, tbl table.Table, elem }) var err error - element, start, end, pid, err = t.GetDDLReorgHandle(job, tbl.Meta().IsCommonHandle) + element, start, end, pid, err = t.GetDDLReorgHandle(job) if err != nil { // If the reorg element doesn't exist, this reorg info should be saved by the older TiDB versions. // It's compatible with the older TiDB versions. @@ -607,8 +615,8 @@ func getReorgInfo(d *ddlCtx, t *meta.Meta, job *model.Job, tbl table.Table, elem } info.Job = job info.d = d - info.StartHandle = start - info.EndHandle = end + info.StartKey = start + info.EndKey = end info.PhysicalTableID = pid info.currElement = element info.elements = elements @@ -619,8 +627,8 @@ func getReorgInfo(d *ddlCtx, t *meta.Meta, job *model.Job, tbl table.Table, elem func getReorgInfoFromPartitions(d *ddlCtx, t *meta.Meta, job *model.Job, tbl table.Table, partitionIDs []int64, elements []*meta.Element) (*reorgInfo, error) { var ( element *meta.Element - start kv.Handle - end kv.Handle + start kv.Key + end kv.Key pid int64 info reorgInfo ) @@ -639,7 +647,8 @@ func getReorgInfoFromPartitions(d *ddlCtx, t *meta.Meta, job *model.Job, tbl tab } logutil.BgLogger().Info("[ddl] job get table range", zap.Int64("jobID", job.ID), zap.Int64("physicalTableID", pid), - zap.String("startHandle", toString(start)), zap.String("endHandle", toString(end))) + zap.String("startHandle", tryDecodeToHandleString(start)), + zap.String("endHandle", tryDecodeToHandleString(end))) err = t.UpdateDDLReorgHandle(job, start, end, pid, elements[0]) if err != nil { @@ -650,7 +659,7 @@ func getReorgInfoFromPartitions(d *ddlCtx, t *meta.Meta, job *model.Job, tbl tab element = elements[0] } else { var err error - element, start, end, pid, err = t.GetDDLReorgHandle(job, tbl.Meta().IsCommonHandle) + element, start, end, pid, err = t.GetDDLReorgHandle(job) if err != nil { // If the reorg element doesn't exist, this reorg info should be saved by the older TiDB versions. // It's compatible with the older TiDB versions. @@ -664,8 +673,8 @@ func getReorgInfoFromPartitions(d *ddlCtx, t *meta.Meta, job *model.Job, tbl tab } info.Job = job info.d = d - info.StartHandle = start - info.EndHandle = end + info.StartKey = start + info.EndKey = end info.PhysicalTableID = pid info.currElement = element info.elements = elements @@ -673,14 +682,14 @@ func getReorgInfoFromPartitions(d *ddlCtx, t *meta.Meta, job *model.Job, tbl tab return &info, nil } -func (r *reorgInfo) UpdateReorgMeta(startHandle kv.Handle) error { - if startHandle == nil && r.EndHandle == nil { +func (r *reorgInfo) UpdateReorgMeta(startKey kv.Key) error { + if startKey == nil && r.EndKey == nil { return nil } err := kv.RunInNewTxn(r.d.store, true, func(txn kv.Transaction) error { t := meta.NewMeta(txn) - return errors.Trace(t.UpdateDDLReorgHandle(r.Job, startHandle, r.EndHandle, r.PhysicalTableID, r.currElement)) + return errors.Trace(t.UpdateDDLReorgHandle(r.Job, startKey, r.EndKey, r.PhysicalTableID, r.currElement)) }) if err != nil { return errors.Trace(err) diff --git a/ddl/reorg_test.go b/ddl/reorg_test.go index 7c58e43e4b58b..f0c97be9740de 100644 --- a/ddl/reorg_test.go +++ b/ddl/reorg_test.go @@ -23,7 +23,6 @@ import ( "github.com/pingcap/tidb/meta" "github.com/pingcap/tidb/table/tables" "github.com/pingcap/tidb/types" - . "github.com/pingcap/tidb/util/testutil" ) type testCtxKeyType int @@ -76,7 +75,7 @@ func (s *testDDLSuite) TestReorg(c *C) { handle := s.NewHandle().Int(100).Common("a", 100, "string") f := func() error { d.generalWorker().reorgCtx.setRowCount(rowCount) - d.generalWorker().reorgCtx.setNextHandle(handle) + d.generalWorker().reorgCtx.setNextKey(handle.Encoded()) time.Sleep(1*ReorgWaitTimeout + 100*time.Millisecond) return nil } @@ -115,9 +114,9 @@ func (s *testDDLSuite) TestReorg(c *C) { m = meta.NewMeta(txn) info, err1 := getReorgInfo(d.ddlCtx, m, job, mockTbl, nil) c.Assert(err1, IsNil) - c.Assert(info.StartHandle, HandleEquals, handle) + c.Assert(info.StartKey, DeepEquals, kv.Key(handle.Encoded())) c.Assert(info.currElement, DeepEquals, e) - _, doneHandle := d.generalWorker().reorgCtx.getRowCountAndHandle() + _, doneHandle := d.generalWorker().reorgCtx.getRowCountAndKey() c.Assert(doneHandle, IsNil) break } @@ -137,8 +136,8 @@ func (s *testDDLSuite) TestReorg(c *C) { Job: job, d: d.ddlCtx, currElement: element, - StartHandle: s.NewHandle().Int(1).Common(100, "string"), - EndHandle: s.NewHandle().Int(0).Common(101, "string"), + StartKey: s.NewHandle().Int(1).Common(100, "string").Encoded(), + EndKey: s.NewHandle().Int(0).Common(101, "string").Encoded(), PhysicalTableID: 456, } err = kv.RunInNewTxn(d.store, false, func(txn kv.Transaction) error { @@ -151,15 +150,15 @@ func (s *testDDLSuite) TestReorg(c *C) { }) c.Assert(err, IsNil) job.SnapshotVer = uint64(1) - err = info.UpdateReorgMeta(info.StartHandle) + err = info.UpdateReorgMeta(info.StartKey) c.Assert(err, IsNil) err = kv.RunInNewTxn(d.store, false, func(txn kv.Transaction) error { t := meta.NewMeta(txn) info1, err1 := getReorgInfo(d.ddlCtx, t, job, mockTbl, []*meta.Element{element}) c.Assert(err1, IsNil) c.Assert(info1.currElement, DeepEquals, info.currElement) - c.Assert(info1.StartHandle, HandleEquals, info.StartHandle) - c.Assert(info1.EndHandle, HandleEquals, info.EndHandle) + c.Assert(info1.StartKey, DeepEquals, info.StartKey) + c.Assert(info1.EndKey, DeepEquals, info.EndKey) c.Assert(info1.PhysicalTableID, Equals, info.PhysicalTableID) return nil }) diff --git a/ddl/stat.go b/ddl/stat.go index 6cd5038b0d5a3..a7453da510407 100644 --- a/ddl/stat.go +++ b/ddl/stat.go @@ -82,7 +82,7 @@ func (d *ddl) Stats(vars *variable.SessionVars) (map[string]interface{}, error) m[ddlJobSchemaID] = job.SchemaID m[ddlJobTableID] = job.TableID m[ddlJobSnapshotVer] = job.SnapshotVer - m[ddlJobReorgHandle] = toString(ddlInfo.ReorgHandle) + m[ddlJobReorgHandle] = tryDecodeToHandleString(ddlInfo.ReorgHandle) m[ddlJobArgs] = job.Args return m, nil } diff --git a/executor/clustered_index_test.go b/executor/clustered_index_test.go index cf93d8f0113fc..dd78ed70a71d1 100644 --- a/executor/clustered_index_test.go +++ b/executor/clustered_index_test.go @@ -204,3 +204,15 @@ func (s *testClusteredSuite) TestIssue20002(c *C) { tk.MustExec("commit;") tk.MustExec("admin check index t `c_datetime`;") } + +// https://github.com/pingcap/tidb/issues/20727 +func (s *testClusteredSuite) TestClusteredIndexSplitAndAddIndex(c *C) { + tk := s.newTK(c) + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t (a varchar(255), b int, primary key(a));") + tk.MustExec("insert into t values ('a', 1), ('b', 2), ('c', 3), ('u', 1);") + tk.MustQuery("split table t between ('a') and ('z') regions 5;").Check(testkit.Rows("4 1")) + tk.MustExec("create index idx on t (b);") + tk.MustQuery("select a from t order by a;").Check(testkit.Rows("a", "b", "c", "u")) + tk.MustQuery("select a from t use index (idx) order by a;").Check(testkit.Rows("a", "b", "c", "u")) +} diff --git a/meta/meta.go b/meta/meta.go index 849835b5574c2..96d54b4086c88 100644 --- a/meta/meta.go +++ b/meta/meta.go @@ -960,45 +960,42 @@ func DecodeElement(b []byte) (*Element, error) { } // UpdateDDLReorgStartHandle saves the job reorganization latest processed element and start handle for later resuming. -func (m *Meta) UpdateDDLReorgStartHandle(job *model.Job, element *Element, startHandle kv.Handle) error { +func (m *Meta) UpdateDDLReorgStartHandle(job *model.Job, element *Element, startKey kv.Key) error { err := m.txn.HSet(mDDLJobReorgKey, m.reorgJobCurrentElement(job.ID), element.EncodeElement()) if err != nil { return errors.Trace(err) } - return setReorgJobFieldHandle(m.txn, m.reorgJobStartHandle(job.ID, element), startHandle) + if startKey != nil { + err = m.txn.HSet(mDDLJobReorgKey, m.reorgJobStartHandle(job.ID, element), startKey) + if err != nil { + return errors.Trace(err) + } + } + return nil } // UpdateDDLReorgHandle saves the job reorganization latest processed information for later resuming. -func (m *Meta) UpdateDDLReorgHandle(job *model.Job, startHandle, endHandle kv.Handle, physicalTableID int64, element *Element) error { +func (m *Meta) UpdateDDLReorgHandle(job *model.Job, startKey, endKey kv.Key, physicalTableID int64, element *Element) error { err := m.txn.HSet(mDDLJobReorgKey, m.reorgJobCurrentElement(job.ID), element.EncodeElement()) if err != nil { return errors.Trace(err) } - err = setReorgJobFieldHandle(m.txn, m.reorgJobStartHandle(job.ID, element), startHandle) - if err != nil { - return errors.Trace(err) + if startKey != nil { + err = m.txn.HSet(mDDLJobReorgKey, m.reorgJobStartHandle(job.ID, element), startKey) + if err != nil { + return errors.Trace(err) + } } - err = setReorgJobFieldHandle(m.txn, m.reorgJobEndHandle(job.ID, element), endHandle) - if err != nil { - return errors.Trace(err) + if endKey != nil { + err = m.txn.HSet(mDDLJobReorgKey, m.reorgJobEndHandle(job.ID, element), endKey) + if err != nil { + return errors.Trace(err) + } } err = m.txn.HSet(mDDLJobReorgKey, m.reorgJobPhysicalTableID(job.ID, element), []byte(strconv.FormatInt(physicalTableID, 10))) return errors.Trace(err) } -func setReorgJobFieldHandle(t *structure.TxStructure, reorgJobField []byte, handle kv.Handle) error { - if handle == nil { - return nil - } - var handleEncodedBytes []byte - if handle.IsInt() { - handleEncodedBytes = []byte(strconv.FormatInt(handle.IntValue(), 10)) - } else { - handleEncodedBytes = handle.Encoded() - } - return t.HSet(mDDLJobReorgKey, reorgJobField, handleEncodedBytes) -} - // RemoveReorgElement removes the element of the reorganization information. // It's used for testing. func (m *Meta) RemoveReorgElement(job *model.Job) error { @@ -1036,7 +1033,7 @@ func (m *Meta) RemoveDDLReorgHandle(job *model.Job, elements []*Element) error { } // GetDDLReorgHandle gets the latest processed DDL reorganize position. -func (m *Meta) GetDDLReorgHandle(job *model.Job, isCommonHandle bool) (element *Element, startHandle, endHandle kv.Handle, physicalTableID int64, err error) { +func (m *Meta) GetDDLReorgHandle(job *model.Job) (element *Element, startKey, endKey kv.Key, physicalTableID int64, err error) { elementBytes, err := m.txn.HGet(mDDLJobReorgKey, m.reorgJobCurrentElement(job.ID)) if err != nil { return nil, nil, nil, 0, errors.Trace(err) @@ -1049,11 +1046,11 @@ func (m *Meta) GetDDLReorgHandle(job *model.Job, isCommonHandle bool) (element * return nil, nil, nil, 0, errors.Trace(err) } - startHandle, err = getReorgJobFieldHandle(m.txn, m.reorgJobStartHandle(job.ID, element), isCommonHandle) + startKey, err = getReorgJobFieldHandle(m.txn, m.reorgJobStartHandle(job.ID, element)) if err != nil { return nil, nil, nil, 0, errors.Trace(err) } - endHandle, err = getReorgJobFieldHandle(m.txn, m.reorgJobEndHandle(job.ID, element), isCommonHandle) + endKey, err = getReorgJobFieldHandle(m.txn, m.reorgJobEndHandle(job.ID, element)) if err != nil { return nil, nil, nil, 0, errors.Trace(err) } @@ -1068,20 +1065,20 @@ func (m *Meta) GetDDLReorgHandle(job *model.Job, isCommonHandle bool) (element * // update them to table's in this case. if physicalTableID == 0 { if job.ReorgMeta != nil { - endHandle = kv.IntHandle(job.ReorgMeta.EndHandle) + endKey = kv.IntHandle(job.ReorgMeta.EndHandle).Encoded() } else { - endHandle = kv.IntHandle(math.MaxInt64) + endKey = kv.IntHandle(math.MaxInt64).Encoded() } physicalTableID = job.TableID logutil.BgLogger().Warn("new TiDB binary running on old TiDB DDL reorg data", zap.Int64("partition ID", physicalTableID), - zap.Stringer("startHandle", startHandle), - zap.Stringer("endHandle", endHandle)) + zap.Stringer("startHandle", startKey), + zap.Stringer("endHandle", endKey)) } return } -func getReorgJobFieldHandle(t *structure.TxStructure, reorgJobField []byte, isCommonHandle bool) (kv.Handle, error) { +func getReorgJobFieldHandle(t *structure.TxStructure, reorgJobField []byte) (kv.Key, error) { bs, err := t.HGet(mDDLJobReorgKey, reorgJobField) if err != nil { return nil, errors.Trace(err) @@ -1090,15 +1087,7 @@ func getReorgJobFieldHandle(t *structure.TxStructure, reorgJobField []byte, isCo if keyNotFound { return nil, nil } - if isCommonHandle { - return kv.NewCommonHandle(bs) - } - var n int64 - n, err = strconv.ParseInt(string(bs), 10, 64) - if err != nil { - return nil, err - } - return kv.IntHandle(n), nil + return bs, nil } func (m *Meta) schemaDiffKey(schemaVersion int64) []byte { diff --git a/meta/meta_test.go b/meta/meta_test.go index 4ea9db0e88a12..f311131f3f4b9 100644 --- a/meta/meta_test.go +++ b/meta/meta_test.go @@ -363,37 +363,37 @@ func (s *testSuite) TestDDL(c *C) { // There are 3 meta key relate to index reorganization: // start_handle, end_handle and physical_table_id. // Only start_handle is initialized. - err = t.UpdateDDLReorgStartHandle(job, element, kv.IntHandle(1)) + err = t.UpdateDDLReorgStartHandle(job, element, kv.IntHandle(1).Encoded()) c.Assert(err, IsNil) // Since physical_table_id is uninitialized, we simulate older TiDB version that doesn't store them. // In this case GetDDLReorgHandle always return maxInt64 as end_handle. - e, i, j, k, err := t.GetDDLReorgHandle(job, false) + e, i, j, k, err := t.GetDDLReorgHandle(job) c.Assert(err, IsNil) c.Assert(e, DeepEquals, element) - c.Assert(i, HandleEquals, kv.IntHandle(1)) - c.Assert(j, HandleEquals, kv.IntHandle(math.MaxInt64)) + c.Assert(i, DeepEquals, kv.Key(kv.IntHandle(1).Encoded())) + c.Assert(j, DeepEquals, kv.Key(kv.IntHandle(math.MaxInt64).Encoded())) c.Assert(k, Equals, int64(0)) startHandle := s.NewHandle().Int(1).Common("abc", 1222, "string") endHandle := s.NewHandle().Int(2).Common("dddd", 1222, "string") element = &meta.Element{ID: 222, TypeKey: meta.ColumnElementKey} - err = t.UpdateDDLReorgHandle(job, startHandle, endHandle, 3, element) + err = t.UpdateDDLReorgHandle(job, startHandle.Encoded(), endHandle.Encoded(), 3, element) c.Assert(err, IsNil) element1 := &meta.Element{ID: 223, TypeKey: meta.IndexElementKey} - err = t.UpdateDDLReorgHandle(job, startHandle, endHandle, 3, element1) + err = t.UpdateDDLReorgHandle(job, startHandle.Encoded(), endHandle.Encoded(), 3, element1) c.Assert(err, IsNil) - e, i, j, k, err = t.GetDDLReorgHandle(job, s.IsCommonHandle) + e, i, j, k, err = t.GetDDLReorgHandle(job) c.Assert(err, IsNil) c.Assert(e, DeepEquals, element1) - c.Assert(i, HandleEquals, startHandle) - c.Assert(j, HandleEquals, endHandle) + c.Assert(i, DeepEquals, kv.Key(startHandle.Encoded())) + c.Assert(j, DeepEquals, kv.Key(endHandle.Encoded())) c.Assert(k, Equals, int64(3)) err = t.RemoveDDLReorgHandle(job, []*meta.Element{element, element1}) c.Assert(err, IsNil) - e, i, j, k, err = t.GetDDLReorgHandle(job, false) + e, i, j, k, err = t.GetDDLReorgHandle(job) c.Assert(meta.ErrDDLReorgElementNotExist.Equal(err), IsTrue) c.Assert(e, IsNil) c.Assert(i, IsNil) @@ -401,7 +401,7 @@ func (s *testSuite) TestDDL(c *C) { c.Assert(k, Equals, int64(0)) // new TiDB binary running on old TiDB DDL reorg data. - e, i, j, k, err = t.GetDDLReorgHandle(job, s.IsCommonHandle) + e, i, j, k, err = t.GetDDLReorgHandle(job) c.Assert(meta.ErrDDLReorgElementNotExist.Equal(err), IsTrue) c.Assert(e, IsNil) c.Assert(i, IsNil) @@ -409,7 +409,7 @@ func (s *testSuite) TestDDL(c *C) { c.Assert(k, Equals, int64(0)) // Test GetDDLReorgHandle failed. - _, _, _, _, err = t.GetDDLReorgHandle(job, s.IsCommonHandle) + _, _, _, _, err = t.GetDDLReorgHandle(job) c.Assert(meta.ErrDDLReorgElementNotExist.Equal(err), IsTrue) v, err = t.DeQueueDDLJob() diff --git a/util/admin/admin.go b/util/admin/admin.go index 8a8b258b31f2c..f81b142518306 100644 --- a/util/admin/admin.go +++ b/util/admin/admin.go @@ -43,7 +43,7 @@ import ( // DDLInfo is for DDL information. type DDLInfo struct { SchemaVer int64 - ReorgHandle kv.Handle // It's only used for DDL information. + ReorgHandle kv.Key // It's only used for DDL information. Jobs []*model.Job // It's the currently running jobs. } @@ -77,12 +77,7 @@ func GetDDLInfo(txn kv.Transaction) (*DDLInfo, error) { return info, nil } - tbl, err := t.GetTable(addIdxJob.SchemaID, addIdxJob.TableID) - if err != nil { - return info, nil - } - - _, info.ReorgHandle, _, _, err = t.GetDDLReorgHandle(addIdxJob, tbl.IsCommonHandle) + _, info.ReorgHandle, _, _, err = t.GetDDLReorgHandle(addIdxJob) if err != nil { if meta.ErrDDLReorgElementNotExist.Equal(err) { return info, nil diff --git a/util/admin/admin_test.go b/util/admin/admin_test.go index a682c4c45abaa..fa7f4316173b4 100644 --- a/util/admin/admin_test.go +++ b/util/admin/admin_test.go @@ -86,7 +86,7 @@ func (s *testSuite) TestGetDDLInfo(c *C) { c.Assert(err, IsNil) c.Assert(info.Jobs, HasLen, 1) c.Assert(info.Jobs[0], DeepEquals, job) - c.Assert(info.ReorgHandle, Equals, nil) + c.Assert(info.ReorgHandle, IsNil) // Two jobs. t = meta.NewMeta(txn, meta.AddIndexJobListKey) err = t.EnQueueDDLJob(job1) @@ -96,7 +96,7 @@ func (s *testSuite) TestGetDDLInfo(c *C) { c.Assert(info.Jobs, HasLen, 2) c.Assert(info.Jobs[0], DeepEquals, job) c.Assert(info.Jobs[1], DeepEquals, job1) - c.Assert(info.ReorgHandle, Equals, nil) + c.Assert(info.ReorgHandle, IsNil) err = txn.Rollback() c.Assert(err, IsNil) } From 7ab36492561d31e5d7dd302e052e48140bddf609 Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Wed, 11 Nov 2020 19:38:23 +0800 Subject: [PATCH 0186/1021] executor, types: fix skipped replace when the value is treated as the same in CI collations (#20858) --- executor/replace.go | 25 +++++++++++++++- executor/write_test.go | 53 +++++++++++++++++++++++++++++++++ types/datum.go | 23 -------------- types/datum_test.go | 36 ---------------------- util/profile/flamegraph_test.go | 9 +++++- 5 files changed, 85 insertions(+), 61 deletions(-) diff --git a/executor/replace.go b/executor/replace.go index c4bf39db0596d..8f35be4d05dbd 100644 --- a/executor/replace.go +++ b/executor/replace.go @@ -20,8 +20,10 @@ import ( "time" "github.com/pingcap/errors" + "github.com/pingcap/parser/charset" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" @@ -72,7 +74,7 @@ func (e *ReplaceExec) removeRow(ctx context.Context, txn kv.Transaction, handle return false, err } - rowUnchanged, err := types.EqualDatums(e.ctx.GetSessionVars().StmtCtx, oldRow, newRow) + rowUnchanged, err := e.EqualDatumsAsBinary(e.ctx.GetSessionVars().StmtCtx, oldRow, newRow) if err != nil { return false, err } @@ -89,6 +91,27 @@ func (e *ReplaceExec) removeRow(ctx context.Context, txn kv.Transaction, handle return false, nil } +// EqualDatumsAsBinary compare if a and b contains the same datum values in binary collation. +func (e *ReplaceExec) EqualDatumsAsBinary(sc *stmtctx.StatementContext, a []types.Datum, b []types.Datum) (bool, error) { + if len(a) != len(b) { + return false, nil + } + for i, ai := range a { + collation := ai.Collation() + // We should use binary collation to compare datum, otherwise the result will be incorrect + ai.SetCollation(charset.CollationBin) + v, err := ai.CompareDatum(sc, &b[i]) + ai.SetCollation(collation) + if err != nil { + return false, errors.Trace(err) + } + if v != 0 { + return false, nil + } + } + return true, nil +} + // replaceRow removes all duplicate rows for one row, then inserts it. func (e *ReplaceExec) replaceRow(ctx context.Context, r toBeCheckedRow) error { txn, err := e.ctx.Txn(true) diff --git a/executor/write_test.go b/executor/write_test.go index fdf8510065ee7..e1f7d8a1691c1 100644 --- a/executor/write_test.go +++ b/executor/write_test.go @@ -27,6 +27,7 @@ import ( "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/session" "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/store/mockstore" "github.com/pingcap/tidb/table/tables" "github.com/pingcap/tidb/types" @@ -2978,3 +2979,55 @@ func (s *testSerialSuite) TestIssue20724(c *C) { tk.MustQuery("select * from t1").Check(testkit.Rows("A")) tk.MustExec("drop table t1") } + +func (s *testSerialSuite) TestIssue20840(c *C) { + collate.SetNewCollationEnabledForTest(true) + defer collate.SetNewCollationEnabledForTest(false) + + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t1") + tk.MustExec("set tidb_enable_clustered_index = 0") + tk.MustExec("create table t1 (i varchar(20) unique key) collate=utf8mb4_general_ci") + tk.MustExec("insert into t1 values ('a')") + tk.MustExec("replace into t1 values ('A')") + tk.MustQuery("select * from t1").Check(testkit.Rows("A")) + tk.MustExec("drop table t1") +} + +func (s *testSuite) TestEqualDatumsAsBinary(c *C) { + tests := []struct { + a []interface{} + b []interface{} + same bool + }{ + // Positive cases + {[]interface{}{1}, []interface{}{1}, true}, + {[]interface{}{1, "aa"}, []interface{}{1, "aa"}, true}, + {[]interface{}{1, "aa", 1}, []interface{}{1, "aa", 1}, true}, + + // negative cases + {[]interface{}{1}, []interface{}{2}, false}, + {[]interface{}{1, "a"}, []interface{}{1, "aaaaaa"}, false}, + {[]interface{}{1, "aa", 3}, []interface{}{1, "aa", 2}, false}, + + // Corner cases + {[]interface{}{}, []interface{}{}, true}, + {[]interface{}{nil}, []interface{}{nil}, true}, + {[]interface{}{}, []interface{}{1}, false}, + {[]interface{}{1}, []interface{}{1, 1}, false}, + {[]interface{}{nil}, []interface{}{1}, false}, + } + for _, tt := range tests { + testEqualDatumsAsBinary(c, tt.a, tt.b, tt.same) + } +} + +func testEqualDatumsAsBinary(c *C, a []interface{}, b []interface{}, same bool) { + sc := new(stmtctx.StatementContext) + re := new(executor.ReplaceExec) + sc.IgnoreTruncate = true + res, err := re.EqualDatumsAsBinary(sc, types.MakeDatums(a...), types.MakeDatums(b...)) + c.Assert(err, IsNil) + c.Assert(res, Equals, same, Commentf("a: %v, b: %v", a, b)) +} diff --git a/types/datum.go b/types/datum.go index d9d89fd2034c1..4190df25e9e4d 100644 --- a/types/datum.go +++ b/types/datum.go @@ -1962,29 +1962,6 @@ func MaxValueDatum() Datum { return Datum{k: KindMaxValue} } -// EqualDatums compare if a and b contains the same datum values. -func EqualDatums(sc *stmtctx.StatementContext, a []Datum, b []Datum) (bool, error) { - if len(a) != len(b) { - return false, nil - } - if a == nil && b == nil { - return true, nil - } - if a == nil || b == nil { - return false, nil - } - for i, ai := range a { - v, err := ai.CompareDatum(sc, &b[i]) - if err != nil { - return false, errors.Trace(err) - } - if v != 0 { - return false, nil - } - } - return true, nil -} - // SortDatums sorts a slice of datum. func SortDatums(sc *stmtctx.StatementContext, datums []Datum) error { sorter := datumsSorter{datums: datums, sc: sc} diff --git a/types/datum_test.go b/types/datum_test.go index c5b3ea491a48a..cdb11b279d2f6 100644 --- a/types/datum_test.go +++ b/types/datum_test.go @@ -114,42 +114,6 @@ func (ts *testDatumSuite) TestToBool(c *C) { c.Assert(err, NotNil) } -func (ts *testDatumSuite) TestEqualDatums(c *C) { - tests := []struct { - a []interface{} - b []interface{} - same bool - }{ - // Positive cases - {[]interface{}{1}, []interface{}{1}, true}, - {[]interface{}{1, "aa"}, []interface{}{1, "aa"}, true}, - {[]interface{}{1, "aa", 1}, []interface{}{1, "aa", 1}, true}, - - // negative cases - {[]interface{}{1}, []interface{}{2}, false}, - {[]interface{}{1, "a"}, []interface{}{1, "aaaaaa"}, false}, - {[]interface{}{1, "aa", 3}, []interface{}{1, "aa", 2}, false}, - - // Corner cases - {[]interface{}{}, []interface{}{}, true}, - {[]interface{}{nil}, []interface{}{nil}, true}, - {[]interface{}{}, []interface{}{1}, false}, - {[]interface{}{1}, []interface{}{1, 1}, false}, - {[]interface{}{nil}, []interface{}{1}, false}, - } - for _, tt := range tests { - testEqualDatums(c, tt.a, tt.b, tt.same) - } -} - -func testEqualDatums(c *C, a []interface{}, b []interface{}, same bool) { - sc := new(stmtctx.StatementContext) - sc.IgnoreTruncate = true - res, err := EqualDatums(sc, MakeDatums(a...), MakeDatums(b...)) - c.Assert(err, IsNil) - c.Assert(res, Equals, same, Commentf("a: %v, b: %v", a, b)) -} - func testDatumToInt64(c *C, val interface{}, expect int64) { d := NewDatum(val) sc := new(stmtctx.StatementContext) diff --git a/util/profile/flamegraph_test.go b/util/profile/flamegraph_test.go index d02d1912a25e7..5517ccd54a7c7 100644 --- a/util/profile/flamegraph_test.go +++ b/util/profile/flamegraph_test.go @@ -89,7 +89,14 @@ func (s *profileInternalSuite) TestProfileToDatum(c *C) { c.Assert(err, IsNil, comment) comment = Commentf("row %2d, actual (%s), expected (%s)", i, rowStr, expectStr) - equal, err := types.EqualDatums(nil, row, datums[i]) + equal := true + for j, r := range row { + v, err := r.CompareDatum(nil, &datums[i][j]) + if v != 0 || err != nil { + equal = false + break + } + } c.Assert(err, IsNil, comment) c.Assert(equal, IsTrue, comment) } From e608e4bca9b11f263bc980c5e57d4954f94d5a2d Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Wed, 11 Nov 2020 20:18:17 +0800 Subject: [PATCH 0187/1021] ddl: fix the enum's default value where `create table` (#20849) --- ddl/db_test.go | 29 +++++++++++++ ddl/ddl_api.go | 53 ++++++++++++++---------- executor/aggfuncs/func_first_row_test.go | 8 ++-- executor/aggfuncs/func_max_min_test.go | 12 +++--- executor/seqtest/seq_executor_test.go | 4 +- types/datum.go | 12 +++--- types/enum.go | 18 +++++--- types/enum_test.go | 6 +-- types/set.go | 18 +++++--- types/set_test.go | 8 ++-- 10 files changed, 113 insertions(+), 55 deletions(-) diff --git a/ddl/db_test.go b/ddl/db_test.go index 48b4f72664ce6..6908d5bb656e5 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -2944,6 +2944,35 @@ func (s *testDBSuite2) TestCreateTableWithSetCol(c *C) { tk.MustQuery("select * from t_set").Check(testkit.Rows("1,4,10,21")) } +func (s *testDBSuite2) TestCreateTableWithEnumCol(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + // It's for failure cases. + // The type of default value is string. + tk.MustExec("drop table if exists t_enum") + failedSQL := "create table t_enum (a enum('1', '4', '10') default '3');" + tk.MustGetErrCode(failedSQL, errno.ErrInvalidDefault) + failedSQL = "create table t_enum (a enum('1', '4', '10') default '');" + tk.MustGetErrCode(failedSQL, errno.ErrInvalidDefault) + // The type of default value is int. + failedSQL = "create table t_enum (a enum('1', '4', '10') default 0);" + tk.MustGetErrCode(failedSQL, errno.ErrInvalidDefault) + failedSQL = "create table t_enum (a enum('1', '4', '10') default 8);" + tk.MustGetErrCode(failedSQL, errno.ErrInvalidDefault) + + // The type of default value is int. + // It's for successful cases + tk.MustExec("drop table if exists t_enum") + tk.MustExec("create table t_enum (a enum('2', '3', '4') default 2);") + ret := tk.MustQuery("show create table t_enum").Rows()[0][1] + c.Assert(strings.Contains(ret.(string), "`a` enum('2','3','4') DEFAULT '3'"), IsTrue) + tk.MustExec("drop table t_enum") + tk.MustExec("create table t_enum (a enum('a', 'c', 'd') default 2);") + ret = tk.MustQuery("show create table t_enum").Rows()[0][1] + c.Assert(strings.Contains(ret.(string), "`a` enum('a','c','d') DEFAULT 'c'"), IsTrue) + tk.MustExec("insert into t_enum value()") + tk.MustQuery("select * from t_enum").Check(testkit.Rows("c")) +} + func (s *testDBSuite2) TestTableForeignKey(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 9a577ca9ad158..406f40cfcf8fb 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -757,7 +757,10 @@ func getDefaultValue(ctx sessionctx.Context, col *table.Column, c *ast.ColumnOpt switch tp { case mysql.TypeSet: - val, err := setSetDefaultValue(v, col) + val, err := getSetDefaultValue(v, col) + return val, false, err + case mysql.TypeEnum: + val, err := getEnumDefaultValue(v, col) return val, false, err case mysql.TypeDuration: if v, err = v.ConvertTo(ctx.GetSessionVars().StmtCtx, &col.FieldType); err != nil { @@ -788,8 +791,8 @@ func tryToGetSequenceDefaultValue(c *ast.ColumnOption) (expr string, isExpr bool return "", false, nil } -// setSetDefaultValue sets the default value for the set type. See https://dev.mysql.com/doc/refman/5.7/en/set.html. -func setSetDefaultValue(v types.Datum, col *table.Column) (string, error) { +// getSetDefaultValue gets the default value for the set type. See https://dev.mysql.com/doc/refman/5.7/en/set.html. +func getSetDefaultValue(v types.Datum, col *table.Column) (string, error) { if v.Kind() == types.KindInt64 { setCnt := len(col.Elems) maxLimit := int64(1< int64(len(col.Elems)) { + return "", ErrInvalidDefaultValue.GenWithStackByArgs(col.Name.O) } + enumVal, err := types.ParseEnumValue(col.Elems, uint64(val)) + if err != nil { + return "", errors.Trace(err) + } + v.SetMysqlEnum(enumVal, col.Collate) + return v.ToString() } - if existCnt != len(valMap) { - return "", ErrInvalidDefaultValue.GenWithStackByArgs(col.Name.O) + + str, err := v.ToString() + if err != nil { + return "", errors.Trace(err) } - setVal, err := types.ParseSetName(col.Elems, str, col.Collate) + enumVal, err := types.ParseEnumName(col.Elems, str, col.Collate) if err != nil { return "", ErrInvalidDefaultValue.GenWithStackByArgs(col.Name.O) } - v.SetMysqlSet(setVal, col.Collate) + v.SetMysqlEnum(enumVal, col.Collate) return v.ToString() } diff --git a/executor/aggfuncs/func_first_row_test.go b/executor/aggfuncs/func_first_row_test.go index cb298664c19a7..ef4ba12a9222a 100644 --- a/executor/aggfuncs/func_first_row_test.go +++ b/executor/aggfuncs/func_first_row_test.go @@ -28,11 +28,11 @@ import ( func (s *testSuite) TestMergePartialResult4FirstRow(c *C) { elems := []string{"a", "b", "c", "d", "e"} - enumA, _ := types.ParseEnumName(elems, "a", mysql.DefaultCollationName) - enumC, _ := types.ParseEnumName(elems, "c", mysql.DefaultCollationName) + enumA, _ := types.ParseEnum(elems, "a", mysql.DefaultCollationName) + enumC, _ := types.ParseEnum(elems, "c", mysql.DefaultCollationName) - setA, _ := types.ParseSetName(elems, "a", mysql.DefaultCollationName) - setAB, _ := types.ParseSetName(elems, "a,b", mysql.DefaultCollationName) + setA, _ := types.ParseSet(elems, "a", mysql.DefaultCollationName) + setAB, _ := types.ParseSet(elems, "a,b", mysql.DefaultCollationName) tests := []aggTest{ buildAggTester(ast.AggFuncFirstRow, mysql.TypeLonglong, 5, 0, 2, 0), diff --git a/executor/aggfuncs/func_max_min_test.go b/executor/aggfuncs/func_max_min_test.go index adade4a5f3a51..2de17444af1e8 100644 --- a/executor/aggfuncs/func_max_min_test.go +++ b/executor/aggfuncs/func_max_min_test.go @@ -94,13 +94,13 @@ func minUpdateMemDeltaGens(srcChk *chunk.Chunk, dataType *types.FieldType) (memD func (s *testSuite) TestMergePartialResult4MaxMin(c *C) { elems := []string{"a", "b", "c", "d", "e"} - enumA, _ := types.ParseEnumName(elems, "a", mysql.DefaultCollationName) - enumC, _ := types.ParseEnumName(elems, "c", mysql.DefaultCollationName) - enumE, _ := types.ParseEnumName(elems, "e", mysql.DefaultCollationName) + enumA, _ := types.ParseEnum(elems, "a", mysql.DefaultCollationName) + enumC, _ := types.ParseEnum(elems, "c", mysql.DefaultCollationName) + enumE, _ := types.ParseEnum(elems, "e", mysql.DefaultCollationName) - setA, _ := types.ParseSetName(elems, "a", mysql.DefaultCollationName) // setA.Value == 1 - setAB, _ := types.ParseSetName(elems, "a,b", mysql.DefaultCollationName) // setAB.Value == 3 - setAC, _ := types.ParseSetName(elems, "a,c", mysql.DefaultCollationName) // setAC.Value == 5 + setA, _ := types.ParseSet(elems, "a", mysql.DefaultCollationName) // setA.Value == 1 + setAB, _ := types.ParseSet(elems, "a,b", mysql.DefaultCollationName) // setAB.Value == 3 + setAC, _ := types.ParseSet(elems, "a,c", mysql.DefaultCollationName) // setAC.Value == 5 unsignedType := types.NewFieldType(mysql.TypeLonglong) unsignedType.Flag |= mysql.UnsignedFlag diff --git a/executor/seqtest/seq_executor_test.go b/executor/seqtest/seq_executor_test.go index 5fb2883ad770d..0012890d60ae7 100644 --- a/executor/seqtest/seq_executor_test.go +++ b/executor/seqtest/seq_executor_test.go @@ -616,7 +616,8 @@ func (s *seqTestSuite) TestShow(c *C) { c6 enum('s', 'm', 'l', 'xl') default 'xl', c7 set('a', 'b', 'c', 'd') default 'a,c,c', c8 datetime default current_timestamp on update current_timestamp, - c9 year default '2014' + c9 year default '2014', + c10 enum('2', '3', '4') default 2 );`) tk.MustQuery(`show columns from t`).Check(testutil.RowsWithSep("|", "c0|int(11)|YES||1|", @@ -629,6 +630,7 @@ func (s *seqTestSuite) TestShow(c *C) { "c7|set('a','b','c','d')|YES||a,c|", "c8|datetime|YES||CURRENT_TIMESTAMP|DEFAULT_GENERATED on update CURRENT_TIMESTAMP", "c9|year(4)|YES||2014|", + "c10|enum('2','3','4')|YES||3|", )) // Test if 'show [status|variables]' is sorted by Variable_name (#14542) diff --git a/types/datum.go b/types/datum.go index 4190df25e9e4d..3055972491ce9 100644 --- a/types/datum.go +++ b/types/datum.go @@ -1444,11 +1444,11 @@ func (d *Datum) convertToMysqlEnum(sc *stmtctx.StatementContext, target *FieldTy ) switch d.k { case KindString, KindBytes: - e, err = ParseEnumName(target.Elems, d.GetString(), target.Collate) + e, err = ParseEnum(target.Elems, d.GetString(), target.Collate) case KindMysqlEnum: - e, err = ParseEnumName(target.Elems, d.GetMysqlEnum().Name, target.Collate) + e, err = ParseEnum(target.Elems, d.GetMysqlEnum().Name, target.Collate) case KindMysqlSet: - e, err = ParseEnumName(target.Elems, d.GetMysqlSet().Name, target.Collate) + e, err = ParseEnum(target.Elems, d.GetMysqlSet().Name, target.Collate) default: var uintDatum Datum uintDatum, err = d.convertToUint(sc, target) @@ -1471,11 +1471,11 @@ func (d *Datum) convertToMysqlSet(sc *stmtctx.StatementContext, target *FieldTyp ) switch d.k { case KindString, KindBytes: - s, err = ParseSetName(target.Elems, d.GetString(), target.Collate) + s, err = ParseSet(target.Elems, d.GetString(), target.Collate) case KindMysqlEnum: - s, err = ParseSetName(target.Elems, d.GetMysqlEnum().Name, target.Collate) + s, err = ParseSet(target.Elems, d.GetMysqlEnum().Name, target.Collate) case KindMysqlSet: - s, err = ParseSetName(target.Elems, d.GetMysqlSet().Name, target.Collate) + s, err = ParseSet(target.Elems, d.GetMysqlSet().Name, target.Collate) default: var uintDatum Datum uintDatum, err = d.convertToUint(sc, target) diff --git a/types/enum.go b/types/enum.go index 841b2cdc39beb..f80e3c3e6b07c 100644 --- a/types/enum.go +++ b/types/enum.go @@ -45,6 +45,19 @@ func (e Enum) ToNumber() float64 { return float64(e.Value) } +// ParseEnum creates a Enum with item name or value. +func ParseEnum(elems []string, name string, collation string) (Enum, error) { + if enumName, err := ParseEnumName(elems, name, collation); err == nil { + return enumName, nil + } + // name doesn't exist, maybe an integer? + if num, err := strconv.ParseUint(name, 0, 64); err == nil { + return ParseEnumValue(elems, num) + } + + return Enum{}, errors.Errorf("item %s is not in enum %v", name, elems) +} + // ParseEnumName creates a Enum with item name. func ParseEnumName(elems []string, name string, collation string) (Enum, error) { ctor := collate.GetCollator(collation) @@ -54,11 +67,6 @@ func ParseEnumName(elems []string, name string, collation string) (Enum, error) } } - // name doesn't exist, maybe an integer? - if num, err := strconv.ParseUint(name, 0, 64); err == nil { - return ParseEnumValue(elems, num) - } - return Enum{}, errors.Errorf("item %s is not in enum %v", name, elems) } diff --git a/types/enum_test.go b/types/enum_test.go index f7fd82bf87518..df97b649a72df 100644 --- a/types/enum_test.go +++ b/types/enum_test.go @@ -51,7 +51,7 @@ func (s *testEnumSuite) TestEnum(c *C) { } for _, t := range tbl { - e, err := ParseEnumName(t.Elems, t.Name, mysql.DefaultCollationName) + e, err := ParseEnum(t.Elems, t.Name, mysql.DefaultCollationName) if t.Expected == 0 { c.Assert(err, NotNil) c.Assert(e.ToNumber(), Equals, float64(0)) @@ -65,7 +65,7 @@ func (s *testEnumSuite) TestEnum(c *C) { } for _, t := range tbl { - e, err := ParseEnumName(t.Elems, t.Name, "utf8_unicode_ci") + e, err := ParseEnum(t.Elems, t.Name, "utf8_unicode_ci") if t.Expected == 0 { c.Assert(err, NotNil) c.Assert(e.ToNumber(), Equals, float64(0)) @@ -79,7 +79,7 @@ func (s *testEnumSuite) TestEnum(c *C) { } for _, t := range citbl { - e, err := ParseEnumName(t.Elems, t.Name, "utf8_general_ci") + e, err := ParseEnum(t.Elems, t.Name, "utf8_general_ci") if t.Expected == 0 { c.Assert(err, NotNil) c.Assert(e.ToNumber(), Equals, float64(0)) diff --git a/types/set.go b/types/set.go index 48a6d2a84a6c0..9c369d8104d41 100644 --- a/types/set.go +++ b/types/set.go @@ -48,6 +48,19 @@ func (e Set) Copy() Set { } } +// ParseSet creates a Set with name or value. +func ParseSet(elems []string, name string, collation string) (Set, error) { + if setName, err := ParseSetName(elems, name, collation); err == nil { + return setName, nil + } + // name doesn't exist, maybe an integer? + if num, err := strconv.ParseUint(name, 0, 64); err == nil { + return ParseSetValue(elems, num) + } + + return Set{}, errors.Errorf("item %s is not in Set %v", name, elems) +} + // ParseSetName creates a Set with name. func ParseSetName(elems []string, name string, collation string) (Set, error) { if len(name) == 0 { @@ -77,11 +90,6 @@ func ParseSetName(elems []string, name string, collation string) (Set, error) { return Set{Name: strings.Join(items, ","), Value: value}, nil } - // name doesn't exist, maybe an integer? - if num, err := strconv.ParseUint(name, 0, 64); err == nil { - return ParseSetValue(elems, num) - } - return Set{}, errors.Errorf("item %s is not in Set %v", name, elems) } diff --git a/types/set_test.go b/types/set_test.go index d3c692842033f..37188740c2f46 100644 --- a/types/set_test.go +++ b/types/set_test.go @@ -53,21 +53,21 @@ func (s *testSetSuite) TestSet(c *C) { } for _, t := range tbl { - e, err := ParseSetName(elems, t.Name, mysql.DefaultCollationName) + e, err := ParseSet(elems, t.Name, mysql.DefaultCollationName) c.Assert(err, IsNil) c.Assert(e.ToNumber(), Equals, float64(t.ExpectedValue)) c.Assert(e.String(), Equals, t.ExpectedName) } for _, t := range tbl { - e, err := ParseSetName(elems, t.Name, "utf8_unicode_ci") + e, err := ParseSet(elems, t.Name, "utf8_unicode_ci") c.Assert(err, IsNil) c.Assert(e.ToNumber(), Equals, float64(t.ExpectedValue)) c.Assert(e.String(), Equals, t.ExpectedName) } for _, t := range citbl { - e, err := ParseSetName(elems, t.Name, "utf8_general_ci") + e, err := ParseSet(elems, t.Name, "utf8_general_ci") c.Assert(err, IsNil) c.Assert(e.ToNumber(), Equals, float64(t.ExpectedValue)) c.Assert(e.String(), Equals, t.ExpectedName) @@ -95,7 +95,7 @@ func (s *testSetSuite) TestSet(c *C) { "e.f", } for _, t := range tblErr { - _, err := ParseSetName(elems, t, mysql.DefaultCollationName) + _, err := ParseSet(elems, t, mysql.DefaultCollationName) c.Assert(err, NotNil) } From 7c65ca90df9ba848cdbf314279abaa5b01751e13 Mon Sep 17 00:00:00 2001 From: MyonKeminta <9948422+MyonKeminta@users.noreply.github.com> Date: Wed, 11 Nov 2020 20:54:23 +0800 Subject: [PATCH 0188/1021] store/tikv: Make most of async commit's unit test able to run with TiKV (#20933) Signed-off-by: MyonKeminta --- store/tikv/1pc_test.go | 2 +- store/tikv/async_commit_fail_test.go | 12 +++++++++++- store/tikv/async_commit_test.go | 11 ++++++++--- 3 files changed, 20 insertions(+), 5 deletions(-) diff --git a/store/tikv/1pc_test.go b/store/tikv/1pc_test.go index c593364e089af..f432cdc646be3 100644 --- a/store/tikv/1pc_test.go +++ b/store/tikv/1pc_test.go @@ -30,7 +30,7 @@ type testOnePCSuite struct { var _ = SerialSuites(&testOnePCSuite{}) func (s *testOnePCSuite) SetUpTest(c *C) { - s.testAsyncCommitCommon.setUpTest(c, true) + s.testAsyncCommitCommon.setUpTest(c) s.bo = NewBackofferWithVars(context.Background(), 5000, nil) } diff --git a/store/tikv/async_commit_fail_test.go b/store/tikv/async_commit_fail_test.go index 5461c98ea1766..3bc71ea1bbdbb 100644 --- a/store/tikv/async_commit_fail_test.go +++ b/store/tikv/async_commit_fail_test.go @@ -36,12 +36,17 @@ type testAsyncCommitFailSuite struct { var _ = SerialSuites(&testAsyncCommitFailSuite{}) func (s *testAsyncCommitFailSuite) SetUpTest(c *C) { - s.testAsyncCommitCommon.setUpTest(c, false) + s.testAsyncCommitCommon.setUpTest(c) } // TestFailCommitPrimaryRpcErrors tests rpc errors are handled properly when // committing primary region task. func (s *testAsyncCommitFailSuite) TestFailAsyncCommitPrewriteRpcErrors(c *C) { + // This test doesn't support tikv mode because it needs setting failpoint in unistore. + if *WithTiKV { + return + } + defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { conf.TiKVClient.AsyncCommit.Enable = true @@ -109,6 +114,11 @@ func (s *testAsyncCommitFailSuite) TestPointGetWithAsyncCommit(c *C) { } func (s *testAsyncCommitFailSuite) TestSecondaryListInPrimaryLock(c *C) { + // This test doesn't support tikv mode. + if *WithTiKV { + return + } + defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { conf.TiKVClient.AsyncCommit.Enable = true diff --git a/store/tikv/async_commit_test.go b/store/tikv/async_commit_test.go index 1cf526404de60..44d5bbfc171a2 100644 --- a/store/tikv/async_commit_test.go +++ b/store/tikv/async_commit_test.go @@ -38,8 +38,8 @@ type testAsyncCommitCommon struct { store *tikvStore } -func (s *testAsyncCommitCommon) setUpTest(c *C, useTiKV bool) { - if *WithTiKV && useTiKV { +func (s *testAsyncCommitCommon) setUpTest(c *C) { + if *WithTiKV { s.store = NewTestStore(c).(*tikvStore) return } @@ -131,7 +131,7 @@ type testAsyncCommitSuite struct { var _ = SerialSuites(&testAsyncCommitSuite{}) func (s *testAsyncCommitSuite) SetUpTest(c *C) { - s.testAsyncCommitCommon.setUpTest(c, false) + s.testAsyncCommitCommon.setUpTest(c) s.bo = NewBackofferWithVars(context.Background(), 5000, nil) } @@ -170,6 +170,11 @@ func (s *testAsyncCommitSuite) lockKeys(c *C, keys, values [][]byte, primaryKey, } func (s *testAsyncCommitSuite) TestCheckSecondaries(c *C) { + // This test doesn't support tikv mode. + if *WithTiKV { + return + } + defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { conf.TiKVClient.AsyncCommit.Enable = true From dd32482f1be87c0e380f51e63d4ca1ee16fbd776 Mon Sep 17 00:00:00 2001 From: Rain Li Date: Wed, 11 Nov 2020 21:20:53 +0800 Subject: [PATCH 0189/1021] ddl: Fix default value of a newly added enum column (#20798) --- ddl/column.go | 19 +++++++++++++++---- ddl/db_integration_test.go | 29 +++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+), 4 deletions(-) diff --git a/ddl/column.go b/ddl/column.go index 2874bd3d587c1..f6b4e87d7b22e 100644 --- a/ddl/column.go +++ b/ddl/column.go @@ -1659,10 +1659,21 @@ func generateOriginDefaultValue(col *model.ColumnInfo) (interface{}, error) { var err error odValue := col.GetDefaultValue() if odValue == nil && mysql.HasNotNullFlag(col.Flag) { - zeroVal := table.GetZeroValue(col) - odValue, err = zeroVal.ToString() - if err != nil { - return nil, errors.Trace(err) + switch col.Tp { + // Just use enum field's first element for OriginDefaultValue. + case mysql.TypeEnum: + defEnum, verr := types.ParseEnumValue(col.FieldType.Elems, 1) + if verr != nil { + return nil, errors.Trace(verr) + } + defVal := types.NewCollateMysqlEnumDatum(defEnum, col.Collate) + return defVal.ToString() + default: + zeroVal := table.GetZeroValue(col) + odValue, err = zeroVal.ToString() + if err != nil { + return nil, errors.Trace(err) + } } } diff --git a/ddl/db_integration_test.go b/ddl/db_integration_test.go index aedf79146b1c2..fe20bc54c028f 100644 --- a/ddl/db_integration_test.go +++ b/ddl/db_integration_test.go @@ -2531,6 +2531,35 @@ func (s *testIntegrationSuite3) TestIssue20490(c *C) { tk.MustQuery("select b from issue20490 order by a;").Check(testkit.Rows("1", "1", "")) } +func (s *testIntegrationSuite3) TestIssue20741WithEnumField(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists issue20741") + tk.MustExec("create table issue20741(id int primary key, c int)") + tk.MustExec("insert into issue20741(id, c) values(1, 2), (2, 2)") + tk.MustExec("alter table issue20741 add column cc enum('a', 'b', 'c', 'd') not null") + tk.MustExec("update issue20741 set c=2 where id=1") + tk.MustQuery("select * from issue20741").Check(testkit.Rows("1 2 a", "2 2 a")) + tk.MustQuery("select * from issue20741 where cc = 0").Check(testkit.Rows()) + tk.MustQuery("select * from issue20741 where cc = 1").Check(testkit.Rows("1 2 a", "2 2 a")) +} + +func (s *testIntegrationSuite3) TestIssue20741WithSetField(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists issue20741_2") + tk.MustExec("create table issue20741_2(id int primary key, c int)") + tk.MustExec("insert into issue20741_2(id, c) values(1, 2), (2, 2)") + tk.MustExec("alter table issue20741_2 add column cc set('a', 'b', 'c', 'd') not null") + tk.MustExec("update issue20741_2 set c=2 where id=1") + tk.MustQuery("select * from issue20741_2").Check(testkit.Rows("1 2 ", "2 2 ")) + tk.MustQuery("select * from issue20741_2 where cc = 0").Check(testkit.Rows("1 2 ", "2 2 ")) + tk.MustQuery("select * from issue20741_2 where cc = 1").Check(testkit.Rows()) + _, err := tk.Exec("insert into issue20741_2(id, c) values (3, 3)") + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "[table:1364]Field 'cc' doesn't have a default value") +} + // TestDefaultValueIsLatin1 for issue #18977 func (s *testIntegrationSuite3) TestEnumAndSetDefaultValue(c *C) { tk := testkit.NewTestKit(c, s.store) From f81a5d131412544610d7459627c9932586186a77 Mon Sep 17 00:00:00 2001 From: Mingcong Han Date: Thu, 12 Nov 2020 10:44:23 +0800 Subject: [PATCH 0190/1021] planner: check view recursion when building source from view (#20398) --- errors.toml | 5 ++++ executor/ddl_test.go | 13 +++++++++++ planner/core/errors.go | 1 + planner/core/logical_plan_builder.go | 35 ++++++++++++++++++++++++---- planner/core/planbuilder.go | 22 ++++++++--------- 5 files changed, 60 insertions(+), 16 deletions(-) diff --git a/errors.toml b/errors.toml index 4746277ab5442..cb673bd2b0611 100644 --- a/errors.toml +++ b/errors.toml @@ -881,6 +881,11 @@ error = ''' View '%-.192s.%-.192s' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them ''' +["planner:1462"] +error = ''' +`%-.192s`.`%-.192s` contains view recursion +''' + ["planner:1747"] error = ''' PARTITION () clause on non partitioned table diff --git a/executor/ddl_test.go b/executor/ddl_test.go index 7933958ddff8e..4979081c01607 100644 --- a/executor/ddl_test.go +++ b/executor/ddl_test.go @@ -279,6 +279,19 @@ func (s *testSuite6) TestCreateView(c *C) { tk.MustExec("drop view v_nested, v_nested2") } +func (s *testSuite6) TestViewRecursion(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("create table if not exists t(a int)") + tk.MustExec("create definer='root'@'localhost' view recursive_view1 as select * from t") + tk.MustExec("create definer='root'@'localhost' view recursive_view2 as select * from recursive_view1") + tk.MustExec("drop table t") + tk.MustExec("rename table recursive_view2 to t") + _, err := tk.Exec("select * from recursive_view1") + c.Assert(terror.ErrorEqual(err, plannercore.ErrViewRecursive), IsTrue) + tk.MustExec("drop view recursive_view1, t") +} + func (s *testSuite6) TestIssue16250(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/planner/core/errors.go b/planner/core/errors.go index d2c64af452355..52338a23b096c 100644 --- a/planner/core/errors.go +++ b/planner/core/errors.go @@ -30,6 +30,7 @@ var ( ErrUnknown = dbterror.ClassOptimizer.NewStd(mysql.ErrUnknown) ErrUnknownTable = dbterror.ClassOptimizer.NewStd(mysql.ErrUnknownTable) ErrNoSuchTable = dbterror.ClassOptimizer.NewStd(mysql.ErrNoSuchTable) + ErrViewRecursive = dbterror.ClassOptimizer.NewStd(mysql.ErrViewRecursive) ErrWrongArguments = dbterror.ClassOptimizer.NewStd(mysql.ErrWrongArguments) ErrWrongNumberOfColumnsInSelect = dbterror.ClassOptimizer.NewStd(mysql.ErrWrongNumberOfColumnsInSelect) ErrBadGeneratedColumn = dbterror.ClassOptimizer.NewStd(mysql.ErrBadGeneratedColumn) diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index 77b8b9281ee66..e9a95d350cadc 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -32,6 +32,7 @@ import ( "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/opcode" + "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/expression/aggregation" @@ -51,6 +52,7 @@ import ( "github.com/pingcap/tidb/util/chunk" utilhint "github.com/pingcap/tidb/util/hint" "github.com/pingcap/tidb/util/plancodec" + "github.com/pingcap/tidb/util/set" ) const ( @@ -2890,9 +2892,6 @@ func (b *PlanBuilder) buildDataSource(ctx context.Context, tn *ast.TableName, as } if tableInfo.IsView() { - if b.capFlag&collectUnderlyingViewName != 0 { - b.underlyingViewNames.Insert(dbName.L + "." + tn.Name.L) - } return b.BuildDataSourceFromView(ctx, dbName, tableInfo) } @@ -3223,8 +3222,33 @@ func (b *PlanBuilder) buildMemTable(_ context.Context, dbName model.CIStr, table return p, nil } +// checkRecursiveView checks whether this view is recursively defined. +func (b *PlanBuilder) checkRecursiveView(dbName model.CIStr, tableName model.CIStr) (func(), error) { + viewFullName := dbName.L + "." + tableName.L + if b.buildingViewStack == nil { + b.buildingViewStack = set.NewStringSet() + } + // If this view has already been on the building stack, it means + // this view contains a recursive definition. + if b.buildingViewStack.Exist(viewFullName) { + return nil, ErrViewRecursive.GenWithStackByArgs(dbName.O, tableName.O) + } + // If the view is being renamed, we return the mysql compatible error message. + if b.capFlag&renameView != 0 && viewFullName == b.renamingViewName { + return nil, ErrNoSuchTable.GenWithStackByArgs(dbName.O, tableName.O) + } + b.buildingViewStack.Insert(viewFullName) + return func() { delete(b.buildingViewStack, viewFullName) }, nil +} + // BuildDataSourceFromView is used to build LogicalPlan from view func (b *PlanBuilder) BuildDataSourceFromView(ctx context.Context, dbName model.CIStr, tableInfo *model.TableInfo) (LogicalPlan, error) { + deferFunc, err := b.checkRecursiveView(dbName, tableInfo.Name) + if err != nil { + return nil, err + } + defer deferFunc() + charset, collation := b.ctx.GetSessionVars().GetCharsetInfo() viewParser := parser.New() viewParser.EnableWindowFunc(b.ctx.GetSessionVars().EnableWindowFunction) @@ -3236,7 +3260,10 @@ func (b *PlanBuilder) BuildDataSourceFromView(ctx context.Context, dbName model. b.visitInfo = make([]visitInfo, 0) selectLogicalPlan, err := b.Build(ctx, selectNode) if err != nil { - err = ErrViewInvalid.GenWithStackByArgs(dbName.O, tableInfo.Name.O) + if terror.ErrorNotEqual(err, ErrViewRecursive) && + terror.ErrorNotEqual(err, ErrNoSuchTable) { + err = ErrViewInvalid.GenWithStackByArgs(dbName.O, tableInfo.Name.O) + } return nil, err } diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index ca54866f286ac..7156a6f562d53 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -393,9 +393,9 @@ const ( // canExpandAST indicates whether the origin AST can be expanded during plan // building. ONLY used for `CreateViewStmt` now. canExpandAST - // collectUnderlyingViewName indicates whether to collect the underlying - // view names of a CreateViewStmt during plan building. - collectUnderlyingViewName + // renameView indicates a view is being renamed, so we cannot use the origin + // definition of that view. + renameView ) // PlanBuilder builds Plan from an ast.Node. @@ -445,8 +445,10 @@ type PlanBuilder struct { // SelectLock need this information to locate the lock on partitions. partitionedTable []table.PartitionedTable - // CreateView needs this information to check whether exists nested view. - underlyingViewNames set.StringSet + // buildingViewStack is used to check whether there is a recursive view. + buildingViewStack set.StringSet + // renamingViewName is the name of the view which is being renamed. + renamingViewName string // evalDefaultExpr needs this information to find the corresponding column. // It stores the OutputNames before buildProjection. @@ -3019,20 +3021,16 @@ func (b *PlanBuilder) buildDDL(ctx context.Context, node ast.DDLNode) (Plan, err v.ReferTable.Name.L, "", authErr) } case *ast.CreateViewStmt: - b.capFlag |= canExpandAST - b.capFlag |= collectUnderlyingViewName + b.capFlag |= canExpandAST | renameView + b.renamingViewName = v.ViewName.Schema.L + "." + v.ViewName.Name.L defer func() { b.capFlag &= ^canExpandAST - b.capFlag &= ^collectUnderlyingViewName + b.capFlag &= ^renameView }() - b.underlyingViewNames = set.NewStringSet() plan, err := b.Build(ctx, v.Select) if err != nil { return nil, err } - if b.underlyingViewNames.Exist(v.ViewName.Schema.L + "." + v.ViewName.Name.L) { - return nil, ErrNoSuchTable.GenWithStackByArgs(v.ViewName.Schema.O, v.ViewName.Name.O) - } schema := plan.Schema() names := plan.OutputNames() if v.Cols == nil { From 8eaccd41a944f372474fc33c267c5d57f8917738 Mon Sep 17 00:00:00 2001 From: Song Gao Date: Thu, 12 Nov 2020 11:09:54 +0800 Subject: [PATCH 0191/1021] variable: add txn_scope sys var (#20721) --- config/config.go | 5 +++++ config/config.toml.example | 3 +++ config/config_test.go | 2 ++ server/server.go | 6 +++++- session/session_test.go | 19 +++++++++++++++++++ sessionctx/variable/session.go | 6 ++++++ sessionctx/variable/sysvar.go | 1 + sessionctx/variable/tidb_vars.go | 3 +++ 8 files changed, 44 insertions(+), 1 deletion(-) diff --git a/config/config.go b/config/config.go index ea22ba7e2decb..acb165b1cc87f 100644 --- a/config/config.go +++ b/config/config.go @@ -64,6 +64,8 @@ const ( DefStatusHost = "0.0.0.0" // DefStoreLivenessTimeout is the default value for store liveness timeout. DefStoreLivenessTimeout = "5s" + // DefTxnScope is the default value for TxnScope + DefTxnScope = "global" ) // Valid config maps @@ -162,6 +164,8 @@ type Config struct { EnableGlobalIndex bool `toml:"enable-global-index" json:"enable-global-index"` // DeprecateIntegerDisplayWidth indicates whether deprecating the max display length for integer. DeprecateIntegerDisplayWidth bool `toml:"deprecate-integer-display-length" json:"deprecate-integer-display-length"` + // TxnScope indicates the default value for session variable txn_scope + TxnScope string `toml:"txn-scope" json:"txn-scope"` // EnableEnumLengthLimit indicates whether the enum/set element length is limited. // According to MySQL 8.0 Refman: // The maximum supported length of an individual SET element is M <= 255 and (M x w) <= 1020, @@ -778,6 +782,7 @@ var defaultConf = Config{ SpilledFileEncryptionMethod: SpilledFileEncryptionMethodPlaintext, }, DeprecateIntegerDisplayWidth: false, + TxnScope: DefTxnScope, EnableEnumLengthLimit: true, } diff --git a/config/config.toml.example b/config/config.toml.example index f976e68512ecb..50d67d43515ff 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -127,6 +127,9 @@ enable-telemetry = true # a warning like `Integer display width is deprecated and will be removed in a future release`. deprecate-integer-display-length = false +# txn-scope indicates the default value for the `txn_scope` session variable. +txn-scope = "global" + # enable-enum-length-limit is used to deal with compatibility issues. When true, the enum/set element length is limited. # According to MySQL 8.0 Refman: # The maximum supported length of an individual SET element is M <= 255 and (M x w) <= 1020, diff --git a/config/config_test.go b/config/config_test.go index 09fd759d33849..af6157f0e434c 100644 --- a/config/config_test.go +++ b/config/config_test.go @@ -193,6 +193,7 @@ nested-loop-join-cache-capacity = 100 max-index-length = 3080 skip-register-to-dashboard = true deprecate-integer-display-length = true +txn-scope = "dc-1" enable-enum-length-limit = false [performance] txn-total-size-limit=2000 @@ -272,6 +273,7 @@ spilled-file-encryption-method = "plaintext" c.Assert(conf.Labels["group"], Equals, "abc") c.Assert(conf.Security.SpilledFileEncryptionMethod, Equals, SpilledFileEncryptionMethodPlaintext) c.Assert(conf.DeprecateIntegerDisplayWidth, Equals, true) + c.Assert(conf.TxnScope, Equals, "dc-1") c.Assert(conf.EnableEnumLengthLimit, Equals, false) _, err = f.WriteString(` diff --git a/server/server.go b/server/server.go index f1eb0370c4f63..edb290bf9ad74 100644 --- a/server/server.go +++ b/server/server.go @@ -225,7 +225,7 @@ func NewServer(cfg *config.Config, driver IDriver) (*Server, error) { clients: make(map[uint64]*clientConn), globalConnID: util.GlobalConnID{ServerID: 0, Is64bits: true}, } - + setTxnScope() tlsConfig, err := util.LoadTLSCertificates(s.cfg.Security.SSLCA, s.cfg.Security.SSLKey, s.cfg.Security.SSLCert) if err != nil { logutil.BgLogger().Error("secure connection cert/key/ca load fail", zap.Error(err)) @@ -298,6 +298,10 @@ func setSSLVariable(ca, key, cert string) { variable.SetSysVar("ssl_ca", ca) } +func setTxnScope() { + variable.SetSysVar("txn_scope", config.GetGlobalConfig().TxnScope) +} + // Run runs the server. func (s *Server) Run() error { metrics.ServerEventCounter.WithLabelValues(metrics.EventStart).Inc() diff --git a/session/session_test.go b/session/session_test.go index ea806445c7bb2..827bc7d45230c 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -3237,6 +3237,25 @@ func (s *testSessionSuite2) TestPerStmtTaskID(c *C) { c.Assert(taskID1 != taskID2, IsTrue) } +func (s *testSessionSuite2) TestSetTxnScope(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + // assert default value + result := tk.MustQuery("select @@txn_scope;") + result.Check(testkit.Rows(config.DefTxnScope)) + + // assert set sys variable + tk.MustExec("set @@session.txn_scope = 'dc-1';") + result = tk.MustQuery("select @@txn_scope;") + result.Check(testkit.Rows("dc-1")) + + // assert session scope + se, err := session.CreateSession4Test(s.store) + c.Check(err, IsNil) + tk.Se = se + result = tk.MustQuery("select @@txn_scope;") + result.Check(testkit.Rows(config.DefTxnScope)) +} + func (s *testSessionSuite3) TestSetVarHint(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 0a78f2c5391e9..de4842da479cf 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -731,6 +731,9 @@ type SessionVars struct { // PartitionPruneMode indicates how and when to prune partitions. PartitionPruneMode atomic2.String + + // TxnScope indicates the scope of the transactions. It should be `global` or equal to `dc-location` in configuration. + TxnScope string } // UseDynamicPartitionPrune indicates whether use new dynamic partition prune. @@ -857,6 +860,7 @@ func NewSessionVars() *SessionVars { EnableChangeColumnType: DefTiDBChangeColumnType, EnableAmendPessimisticTxn: DefTiDBEnableAmendPessimisticTxn, PartitionPruneMode: *atomic2.NewString(DefTiDBPartitionPruneMode), + TxnScope: config.GetGlobalConfig().TxnScope, } vars.KVVars = kv.NewVariables(&vars.Killed) vars.Concurrency = Concurrency{ @@ -1523,6 +1527,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.EnableChangeColumnType = TiDBOptOn(val) case TiDBEnableAmendPessimisticTxn: s.EnableAmendPessimisticTxn = TiDBOptOn(val) + case TiDBTxnScope: + s.TxnScope = val } s.systems[name] = val return nil diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index f4314badaba0a..71857da0594b4 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -664,6 +664,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: "information_schema_stats_expiry", Value: "86400"}, {Scope: ScopeGlobal, Name: ThreadPoolSize, Value: "16", Type: TypeUnsigned, MinValue: 1, MaxValue: 64, AutoConvertOutOfRange: true}, {Scope: ScopeGlobal | ScopeSession, Name: WindowingUseHighPrecision, Value: BoolOn, Type: TypeBool, IsHintUpdatable: true}, + {Scope: ScopeSession, Name: TiDBTxnScope, Value: config.GetGlobalConfig().TxnScope}, /* TiDB specific variables */ {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowMPPExecution, Value: BoolToIntStr(DefTiDBAllowMPPExecution)}, {Scope: ScopeSession, Name: TiDBSnapshot, Value: ""}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index de369b1860e9a..f63aa9c6ed458 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -181,6 +181,9 @@ const ( // TiDBAllowAutoRandExplicitInsert indicates whether explicit insertion on auto_random column is allowed. TiDBAllowAutoRandExplicitInsert = "allow_auto_random_explicit_insert" + + // TiDBTxnScope indicates whether using global transactions or local transactions. + TiDBTxnScope = "txn_scope" ) // TiDB system variable names that both in session and global scope. From ea60b3e76993ecc24717a49c44b65174b1d000ba Mon Sep 17 00:00:00 2001 From: Jiatao Tao Date: Thu, 12 Nov 2020 11:42:57 +0800 Subject: [PATCH 0192/1021] site: update the broken link about "Contribution Guide" in the README.md (#20964) --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index b49c3cf987aa2..bcb42c902c997 100644 --- a/README.md +++ b/README.md @@ -62,7 +62,7 @@ The [community repository](https://github.com/pingcap/community) hosts all infor [contribution-map](https://github.com/pingcap/tidb-map/blob/master/maps/contribution-map.md#tidb-is-an-open-source-distributed-htap-database-compatible-with-the-mysql-protocol) Contributions are welcomed and greatly appreciated. See -[CONTRIBUTING.md](https://github.com/pingcap/community/blob/master/CONTRIBUTING.md) +[Contribution Guide](https://github.com/pingcap/community/blob/master/contributors/README.md) for details on submitting patches and the contribution workflow. For more contributing information, click on the contributor icon above. ## Adopters From 52f696f7ec07cdea70fe9e281af3f23668c607a7 Mon Sep 17 00:00:00 2001 From: Rain Li Date: Thu, 12 Nov 2020 12:12:28 +0800 Subject: [PATCH 0193/1021] planner: add missing table lock check for fast plan (#20948) --- planner/core/logical_plan_test.go | 1 + planner/core/point_get_plan.go | 19 ++++++++++++++----- planner/core/point_get_plan_test.go | 18 ++++++++++++++++++ 3 files changed, 33 insertions(+), 5 deletions(-) diff --git a/planner/core/logical_plan_test.go b/planner/core/logical_plan_test.go index e6d24103e994c..6e8f6e0ef033f 100644 --- a/planner/core/logical_plan_test.go +++ b/planner/core/logical_plan_test.go @@ -1568,6 +1568,7 @@ func (s *testPlanSuite) TestFastPlanContextTables(c *C) { false, }, } + s.ctx.GetSessionVars().SnapshotInfoschema = s.is for _, tt := range tests { stmt, err := s.ParseOneStmt(tt.sql, "", "") c.Assert(err, IsNil) diff --git a/planner/core/point_get_plan.go b/planner/core/point_get_plan.go index 6d06d118e164d..6db0836efe0d7 100644 --- a/planner/core/point_get_plan.go +++ b/planner/core/point_get_plan.go @@ -853,15 +853,24 @@ func newPointGetPlan(ctx sessionctx.Context, dbName string, schema *expression.S func checkFastPlanPrivilege(ctx sessionctx.Context, dbName, tableName string, checkTypes ...mysql.PrivilegeType) error { pm := privilege.GetPrivilegeManager(ctx) - if pm == nil { - return nil - } + visitInfos := []visitInfo{} for _, checkType := range checkTypes { - if !pm.RequestVerification(ctx.GetSessionVars().ActiveRoles, dbName, tableName, "", checkType) { + if pm != nil && !pm.RequestVerification(ctx.GetSessionVars().ActiveRoles, dbName, tableName, "", checkType) { return errors.New("privilege check fail") } + // This visitInfo is only for table lock check, so we do not need column field, + // just fill it empty string. + visitInfos = append(visitInfos, visitInfo{ + privilege: checkType, + db: dbName, + table: tableName, + column: "", + err: nil, + }) } - return nil + + infoSchema := infoschema.GetInfoSchema(ctx) + return CheckTableLock(ctx, infoSchema, visitInfos) } func buildSchemaFromFields( diff --git a/planner/core/point_get_plan_test.go b/planner/core/point_get_plan_test.go index 951d13bca53ce..c74a1140fc4a2 100644 --- a/planner/core/point_get_plan_test.go +++ b/planner/core/point_get_plan_test.go @@ -21,6 +21,7 @@ import ( "time" . "github.com/pingcap/check" + "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/metrics" @@ -474,6 +475,23 @@ func (s *testPointGetSuite) TestSelectInMultiColumns(c *C) { c.Assert(err.Error(), Equals, "[expression:1241]Operand should contain 3 column(s)") } +func (s *testPointGetSuite) TestUpdateWithTableReadLockWillFail(c *C) { + gcfg := config.GetGlobalConfig() + etl := gcfg.EnableTableLock + gcfg.EnableTableLock = true + defer func() { + gcfg.EnableTableLock = etl + }() + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("create table tbllock(id int, c int);") + tk.MustExec("insert into tbllock values(1, 2), (2, 2);") + tk.MustExec("lock table tbllock read;") + _, err := tk.Exec("update tbllock set c = 3 where id = 2;") + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "[schema:1099]Table 'tbllock' was locked with a READ lock and can't be updated") +} + func (s *testPointGetSuite) TestIssue20692(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") From 5a14eb592c5a7743a6f948a089dcf58dc8e4590f Mon Sep 17 00:00:00 2001 From: tangwz Date: Thu, 12 Nov 2020 12:25:53 +0800 Subject: [PATCH 0194/1021] planner: fix index merge doesn't take effect when using prefix key (#20425) --- planner/core/integration_test.go | 71 +++++++++++++++++-- planner/core/stats.go | 29 ++++---- .../core/testdata/integration_suite_out.json | 4 +- 3 files changed, 85 insertions(+), 19 deletions(-) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index e5121b483b5a5..1775bb2e171ce 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1235,14 +1235,77 @@ func (s *testIntegrationSerialSuite) TestIssue16837(c *C) { tk.MustExec("drop table if exists t") tk.MustExec("create table t(a int,b int,c int,d int,e int,unique key idx_ab(a,b),unique key(c),unique key(d))") tk.MustQuery("explain select /*+ use_index_merge(t,c,idx_ab) */ * from t where a = 1 or (e = 1 and c = 1)").Check(testkit.Rows( - "TableReader_7 10.00 root data:Selection_6", - "└─Selection_6 10.00 cop[tikv] or(eq(test.t.a, 1), and(eq(test.t.e, 1), eq(test.t.c, 1)))", - " └─TableFullScan_5 10000.00 cop[tikv] table:t keep order:false, stats:pseudo")) - tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 IndexMerge is inapplicable or disabled")) + "Projection_4 10.00 root test.t.a, test.t.b, test.t.c, test.t.d, test.t.e", + "└─IndexMerge_9 0.01 root ", + " ├─IndexRangeScan_5(Build) 10.00 cop[tikv] table:t, index:idx_ab(a, b) range:[1,1], keep order:false, stats:pseudo", + " ├─IndexRangeScan_6(Build) 1.00 cop[tikv] table:t, index:c(c) range:[1,1], keep order:false, stats:pseudo", + " └─Selection_8(Probe) 0.01 cop[tikv] eq(test.t.e, 1)", + " └─TableRowIDScan_7 11.00 cop[tikv] table:t keep order:false, stats:pseudo")) + tk.MustQuery("show warnings").Check(testkit.Rows()) tk.MustExec("insert into t values (2, 1, 1, 1, 2)") tk.MustQuery("select /*+ use_index_merge(t,c,idx_ab) */ * from t where a = 1 or (e = 1 and c = 1)").Check(testkit.Rows()) } +func (s *testIntegrationSerialSuite) TestIndexMerge(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int, b int, unique key(a), unique key(b))") + tk.MustQuery("desc select /*+ use_index_merge(t) */ * from t where a =1 or (b=1 and b+2>1)").Check(testkit.Rows( + "Projection_4 1.80 root test.t.a, test.t.b", + "└─IndexMerge_9 2.00 root ", + " ├─IndexRangeScan_5(Build) 1.00 cop[tikv] table:t, index:a(a) range:[1,1], keep order:false, stats:pseudo", + " ├─Selection_7(Build) 0.80 cop[tikv] gt(plus(test.t.b, 2), 1)", + " │ └─IndexRangeScan_6 1.00 cop[tikv] table:t, index:b(b) range:[1,1], keep order:false, stats:pseudo", + " └─TableRowIDScan_8(Probe) 2.00 cop[tikv] table:t keep order:false, stats:pseudo")) + tk.MustQuery("show warnings").Check(testkit.Rows()) + + tk.MustQuery("desc select /*+ use_index_merge(t) */ * from t where a =1 or (b=1 and length(b)=1)").Check(testkit.Rows( + "Projection_4 1.80 root test.t.a, test.t.b", + "└─IndexMerge_9 2.00 root ", + " ├─IndexRangeScan_5(Build) 1.00 cop[tikv] table:t, index:a(a) range:[1,1], keep order:false, stats:pseudo", + " ├─Selection_7(Build) 0.80 cop[tikv] eq(length(cast(test.t.b)), 1)", + " │ └─IndexRangeScan_6 1.00 cop[tikv] table:t, index:b(b) range:[1,1], keep order:false, stats:pseudo", + " └─TableRowIDScan_8(Probe) 2.00 cop[tikv] table:t keep order:false, stats:pseudo")) + tk.MustQuery("show warnings").Check(testkit.Rows()) + + tk.MustQuery("desc select /*+ use_index_merge(t) */ * from t where (a=1 and length(a)=1) or (b=1 and length(b)=1)").Check(testkit.Rows( + "Projection_4 1.60 root test.t.a, test.t.b", + "└─IndexMerge_10 2.00 root ", + " ├─Selection_6(Build) 0.80 cop[tikv] eq(length(cast(test.t.a)), 1)", + " │ └─IndexRangeScan_5 1.00 cop[tikv] table:t, index:a(a) range:[1,1], keep order:false, stats:pseudo", + " ├─Selection_8(Build) 0.80 cop[tikv] eq(length(cast(test.t.b)), 1)", + " │ └─IndexRangeScan_7 1.00 cop[tikv] table:t, index:b(b) range:[1,1], keep order:false, stats:pseudo", + " └─TableRowIDScan_9(Probe) 2.00 cop[tikv] table:t keep order:false, stats:pseudo")) + tk.MustQuery("show warnings").Check(testkit.Rows()) + + tk.MustQuery("desc select /*+ use_index_merge(t) */ * from t where (a=1 and length(b)=1) or (b=1 and length(a)=1)").Check(testkit.Rows( + "Projection_4 1.60 root test.t.a, test.t.b", + "└─IndexMerge_9 1.60 root ", + " ├─IndexRangeScan_5(Build) 1.00 cop[tikv] table:t, index:a(a) range:[1,1], keep order:false, stats:pseudo", + " ├─IndexRangeScan_6(Build) 1.00 cop[tikv] table:t, index:b(b) range:[1,1], keep order:false, stats:pseudo", + " └─Selection_8(Probe) 1.60 cop[tikv] eq(length(cast(test.t.a)), 1), eq(length(cast(test.t.b)), 1)", + " └─TableRowIDScan_7 2.00 cop[tikv] table:t keep order:false, stats:pseudo")) + tk.MustQuery("show warnings").Check(testkit.Rows()) +} + +func (s *testIntegrationSerialSuite) TestIssue16407(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int,b char(100),key(a),key(b(10)))") + tk.MustQuery("explain select /*+ use_index_merge(t) */ * from t where a=10 or b='x'").Check(testkit.Rows( + "Projection_4 19.99 root test.t.a, test.t.b", + "└─IndexMerge_9 0.02 root ", + " ├─IndexRangeScan_5(Build) 10.00 cop[tikv] table:t, index:a(a) range:[10,10], keep order:false, stats:pseudo", + " ├─IndexRangeScan_6(Build) 10.00 cop[tikv] table:t, index:b(b) range:[\"x\",\"x\"], keep order:false, stats:pseudo", + " └─Selection_8(Probe) 0.02 cop[tikv] eq(test.t.b, \"x\")", + " └─TableRowIDScan_7 19.99 cop[tikv] table:t keep order:false, stats:pseudo")) + tk.MustQuery("show warnings").Check(testkit.Rows()) + tk.MustExec("insert into t values (1, 'xx')") + tk.MustQuery("select /*+ use_index_merge(t) */ * from t where a=10 or b='x'").Check(testkit.Rows()) +} + func (s *testIntegrationSuite) TestStreamAggProp(c *C) { tk := testkit.NewTestKit(c, s.store) diff --git a/planner/core/stats.go b/planner/core/stats.go index 0ba8d9a87cc00..41284219d5255 100644 --- a/planner/core/stats.go +++ b/planner/core/stats.go @@ -424,7 +424,13 @@ func (ds *DataSource) generateIndexMergeOrPaths() { } if len(partialPaths) > 1 { possiblePath := ds.buildIndexMergeOrPath(partialPaths, i) - sel, _, err := ds.tableStats.HistColl.Selectivity(ds.ctx, []expression.Expression{sf}, nil) + + accessConds := make([]expression.Expression, 0, len(partialPaths)) + for _, p := range partialPaths { + accessConds = append(accessConds, p.AccessConds...) + } + accessDNF := expression.ComposeDNFCondition(ds.ctx, accessConds...) + sel, _, err := ds.tableStats.HistColl.Selectivity(ds.ctx, []expression.Expression{accessDNF}, nil) if err != nil { logutil.BgLogger().Debug("something wrong happened, use the default selectivity", zap.Error(err)) sel = SelectionFactor @@ -473,12 +479,8 @@ func (ds *DataSource) accessPathsForConds(conditions []expression.Expression, us logutil.BgLogger().Debug("can not derive statistics of a path", zap.Error(err)) continue } - if len(path.TableFilters) > 0 || len(path.AccessConds) == 0 { - // If AccessConds is empty or tableFilter is not empty, we ignore the access path. - // Now these conditions are too strict. - // For example, a sql `select * from t where a > 1 or (b < 2 and c > 3)` and table `t` with indexes - // on a and b separately. we can generate a `IndexMergePath` with table filter `a > 1 or (b < 2 and c > 3)`. - // TODO: solve the above case + if len(path.AccessConds) == 0 { + // If AccessConds is empty, we ignore the access path. continue } // If we have point or empty range, just remove other possible paths. @@ -502,12 +504,8 @@ func (ds *DataSource) accessPathsForConds(conditions []expression.Expression, us continue } noIntervalRanges := ds.deriveIndexPathStats(path, conditions, true) - if len(path.TableFilters) > 0 || len(path.AccessConds) == 0 { - // If AccessConds is empty or tableFilter is not empty, we ignore the access path. - // Now these conditions are too strict. - // For example, a sql `select * from t where a > 1 or (b < 2 and c > 3)` and table `t` with indexes - // on a and b separately. we can generate a `IndexMergePath` with table filter `a > 1 or (b < 2 and c > 3)`. - // TODO: solve the above case + if len(path.AccessConds) == 0 { + // If AccessConds is empty, we ignore the access path. continue } // If we have empty range, or point range on unique index, just remove other possible paths. @@ -554,6 +552,11 @@ func (ds *DataSource) buildIndexMergeOrPath(partialPaths []*util.AccessPath, cur indexMergePath := &util.AccessPath{PartialIndexPaths: partialPaths} indexMergePath.TableFilters = append(indexMergePath.TableFilters, ds.pushedDownConds[:current]...) indexMergePath.TableFilters = append(indexMergePath.TableFilters, ds.pushedDownConds[current+1:]...) + for _, path := range partialPaths { + if len(path.TableFilters) > 0 { + indexMergePath.TableFilters = append(indexMergePath.TableFilters, path.TableFilters...) + } + } return indexMergePath } diff --git a/planner/core/testdata/integration_suite_out.json b/planner/core/testdata/integration_suite_out.json index eb410a8c9d580..b0377ceb54124 100644 --- a/planner/core/testdata/integration_suite_out.json +++ b/planner/core/testdata/integration_suite_out.json @@ -994,10 +994,10 @@ { "SQL": "select /*+ use_index_merge(t1 primary, c) */ * from t1 where t1.a = 1 and t1.b = '111' or t1.c = 3.3", "Plan": [ - "IndexMerge_8 1.67 root ", + "IndexMerge_8 2.11 root ", "├─TableRangeScan_5(Build) 1.00 cop[tikv] table:t1 range:[1 \"111\",1 \"111\"], keep order:false", "├─IndexRangeScan_6(Build) 1.00 cop[tikv] table:t1, index:c(c) range:[3.3000000000,3.3000000000], keep order:false", - "└─TableRowIDScan_7(Probe) 1.67 cop[tikv] table:t1 keep order:false" + "└─TableRowIDScan_7(Probe) 2.11 cop[tikv] table:t1 keep order:false" ], "Res": [ "1 111 1.1000000000 11", From 637449add6ad84af1d5258408e1d12def126dbd0 Mon Sep 17 00:00:00 2001 From: tangenta Date: Thu, 12 Nov 2020 12:40:23 +0800 Subject: [PATCH 0195/1021] ddl: support table option 'pre_split_regions' for auto_random column (#20515) --- ddl/ddl_api.go | 12 ++++++++++-- ddl/serial_test.go | 25 +++++++++++++++++++++++++ ddl/split_region.go | 17 +++++++++-------- 3 files changed, 44 insertions(+), 10 deletions(-) diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 406f40cfcf8fb..be135669ad56c 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -2203,12 +2203,20 @@ func handleTableOptions(options []*ast.TableOption, tbInfo *model.TableInfo) err // We don't handle charset and collate here since they're handled in `getCharsetAndCollateInTableOption`. } } - if tbInfo.PreSplitRegions > tbInfo.ShardRowIDBits { - tbInfo.PreSplitRegions = tbInfo.ShardRowIDBits + shardingBits := shardingBits(tbInfo) + if tbInfo.PreSplitRegions > shardingBits { + tbInfo.PreSplitRegions = shardingBits } return nil } +func shardingBits(tblInfo *model.TableInfo) uint64 { + if tblInfo.ShardRowIDBits > 0 { + return tblInfo.ShardRowIDBits + } + return tblInfo.AutoRandomBits +} + // isIgnorableSpec checks if the spec type is ignorable. // Some specs are parsed by ignored. This is for compatibility. func isIgnorableSpec(tp ast.AlterTableType) bool { diff --git a/ddl/serial_test.go b/ddl/serial_test.go index e6ce00e8ef909..a106876521a10 100644 --- a/ddl/serial_test.go +++ b/ddl/serial_test.go @@ -1254,6 +1254,31 @@ func (s *testSerialSuite) TestAutoRandomIncBitsIncrementAndOffset(c *C) { } } +func (s *testSerialSuite) TestAutoRandomWithPreSplitRegion(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("create database if not exists auto_random_db;") + defer tk.MustExec("drop database if exists auto_random_db;") + tk.MustExec("use auto_random_db;") + tk.MustExec("drop table if exists t;") + + ConfigTestUtils.SetupAutoRandomTestConfig() + defer ConfigTestUtils.RestoreAutoRandomTestConfig() + origin := atomic.LoadUint32(&ddl.EnableSplitTableRegion) + atomic.StoreUint32(&ddl.EnableSplitTableRegion, 1) + defer atomic.StoreUint32(&ddl.EnableSplitTableRegion, origin) + tk.MustExec("set @@global.tidb_scatter_region=1;") + + // Test pre-split table region for auto_random table. + tk.MustExec("create table t (a bigint auto_random(2) primary key, b int) pre_split_regions=2;") + re := tk.MustQuery("show table t regions;") + rows := re.Rows() + c.Assert(len(rows), Equals, 4) + tbl := testGetTableByName(c, tk.Se, "auto_random_db", "t") + c.Assert(rows[1][1], Equals, fmt.Sprintf("t_%d_r_2305843009213693952", tbl.Meta().ID)) + c.Assert(rows[2][1], Equals, fmt.Sprintf("t_%d_r_4611686018427387904", tbl.Meta().ID)) + c.Assert(rows[3][1], Equals, fmt.Sprintf("t_%d_r_6917529027641081856", tbl.Meta().ID)) +} + func (s *testSerialSuite) TestModifyingColumn4NewCollations(c *C) { collate.SetNewCollationEnabledForTest(true) defer collate.SetNewCollationEnabledForTest(false) diff --git a/ddl/split_region.go b/ddl/split_region.go index d3ac07a3ddfc7..f5a5d97ae7cd7 100644 --- a/ddl/split_region.go +++ b/ddl/split_region.go @@ -31,7 +31,7 @@ func splitPartitionTableRegion(ctx sessionctx.Context, store kv.SplittableStore, regionIDs := make([]uint64, 0, len(pi.Definitions)) ctxWithTimeout, cancel := context.WithTimeout(context.Background(), ctx.GetSessionVars().GetSplitRegionTimeout()) defer cancel() - if tbInfo.ShardRowIDBits > 0 && tbInfo.PreSplitRegions > 0 { + if shardingBits(tbInfo) > 0 && tbInfo.PreSplitRegions > 0 { for _, def := range pi.Definitions { regionIDs = append(regionIDs, preSplitPhysicalTableByShardRowID(ctxWithTimeout, store, tbInfo, def.ID, scatter)...) } @@ -49,7 +49,7 @@ func splitTableRegion(ctx sessionctx.Context, store kv.SplittableStore, tbInfo * ctxWithTimeout, cancel := context.WithTimeout(context.Background(), ctx.GetSessionVars().GetSplitRegionTimeout()) defer cancel() var regionIDs []uint64 - if tbInfo.ShardRowIDBits > 0 && tbInfo.PreSplitRegions > 0 { + if shardingBits(tbInfo) > 0 && tbInfo.PreSplitRegions > 0 { regionIDs = preSplitPhysicalTableByShardRowID(ctxWithTimeout, store, tbInfo, tbInfo.ID, scatter) } else { regionIDs = append(regionIDs, splitRecordRegion(ctxWithTimeout, store, tbInfo.ID, scatter)) @@ -61,14 +61,14 @@ func splitTableRegion(ctx sessionctx.Context, store kv.SplittableStore, tbInfo * func preSplitPhysicalTableByShardRowID(ctx context.Context, store kv.SplittableStore, tbInfo *model.TableInfo, physicalID int64, scatter bool) []uint64 { // Example: - // ShardRowIDBits = 4 + // sharding_bits = 4 // PreSplitRegions = 2 // // then will pre-split 2^2 = 4 regions. // // in this code: - // max = 1 << tblInfo.ShardRowIDBits = 16 - // step := int64(1 << (tblInfo.ShardRowIDBits - tblInfo.PreSplitRegions)) = 1 << (4-2) = 4; + // max = 1 << sharding_bits = 16 + // step := int64(1 << (sharding_bits - tblInfo.PreSplitRegions)) = 1 << (4-2) = 4; // // then split regionID is below: // 4 << 59 = 2305843009213693952 @@ -84,12 +84,13 @@ func preSplitPhysicalTableByShardRowID(ctx context.Context, store kv.SplittableS // And the max _tidb_rowid is 9223372036854775807, it won't be negative number. // Split table region. - step := int64(1 << (tbInfo.ShardRowIDBits - tbInfo.PreSplitRegions)) - max := int64(1 << tbInfo.ShardRowIDBits) + shardingBits := shardingBits(tbInfo) + step := int64(1 << (shardingBits - tbInfo.PreSplitRegions)) + max := int64(1 << shardingBits) splitTableKeys := make([][]byte, 0, 1<<(tbInfo.PreSplitRegions)) splitTableKeys = append(splitTableKeys, tablecodec.GenTablePrefix(physicalID)) for p := step; p < max; p += step { - recordID := p << (64 - tbInfo.ShardRowIDBits - 1) + recordID := p << (64 - shardingBits - 1) recordPrefix := tablecodec.GenTableRecordPrefix(physicalID) key := tablecodec.EncodeRecordKey(recordPrefix, kv.IntHandle(recordID)) splitTableKeys = append(splitTableKeys, key) From a089e3b8a9111f534fd32fc5d3831cc846a722ec Mon Sep 17 00:00:00 2001 From: wangggong <793160615@qq.com> Date: Thu, 12 Nov 2020 13:01:58 +0800 Subject: [PATCH 0196/1021] DDL: display process of some DDL operations (#19923) (#20401) --- ddl/column.go | 1 + ddl/index.go | 2 +- ddl/reorg.go | 22 +++++++++++++++------- metrics/ddl.go | 16 ++++++++++++---- metrics/grafana/tidb.json | 13 ++++++++++--- metrics/metrics.go | 2 +- 6 files changed, 40 insertions(+), 16 deletions(-) diff --git a/ddl/column.go b/ddl/column.go index f6b4e87d7b22e..89409a5900963 100644 --- a/ddl/column.go +++ b/ddl/column.go @@ -936,6 +936,7 @@ func (w *worker) doModifyColumnTypeWithData( // Make sure job args change after `updateVersionAndTableInfoWithCheck`, otherwise, the job args will // be updated in `updateDDLJob` even if it meets an error in `updateVersionAndTableInfoWithCheck`. job.SchemaState = model.StateDeleteOnly + metrics.GetBackfillProgressByLabel(metrics.LblModifyColumn).Set(0) job.Args = append(job.Args, changingCol, changingIdxs) case model.StateDeleteOnly: // Column from null to not null. diff --git a/ddl/index.go b/ddl/index.go index 4a2871ae033f0..b4f3ac5038bd1 100644 --- a/ddl/index.go +++ b/ddl/index.go @@ -510,7 +510,7 @@ func (w *worker) onCreateIndex(d *ddlCtx, t *meta.Meta, job *model.Job, isPK boo return ver, err } job.SchemaState = model.StateDeleteOnly - metrics.AddIndexProgress.Set(0) + metrics.GetBackfillProgressByLabel(metrics.LblAddIndex).Set(0) case model.StateDeleteOnly: // delete only -> write only indexInfo.State = model.StateWriteOnly diff --git a/ddl/reorg.go b/ddl/reorg.go index 012d5aa138a60..fc126c8410fe9 100644 --- a/ddl/reorg.go +++ b/ddl/reorg.go @@ -213,15 +213,17 @@ func (w *worker) runReorgJob(t *meta.Meta, reorgInfo *reorgInfo, tblInfo *model. // Update a job's warnings. w.mergeWarningsIntoJob(job) - if err == nil { - metrics.AddIndexProgress.Set(100) - } w.reorgCtx.clean() if err != nil { return errors.Trace(err) } - metrics.AddIndexProgress.Set(100) + switch reorgInfo.Type { + case model.ActionAddIndex, model.ActionAddPrimaryKey: + metrics.GetBackfillProgressByLabel(metrics.LblAddIndex).Set(100) + case model.ActionModifyColumn: + metrics.GetBackfillProgressByLabel(metrics.LblModifyColumn).Set(100) + } if err1 := t.RemoveDDLReorgHandle(job, reorgInfo.elements); err1 != nil { logutil.BgLogger().Warn("[ddl] run reorg job done, removeDDLReorgHandle failed", zap.Error(err1)) return errors.Trace(err1) @@ -237,7 +239,7 @@ func (w *worker) runReorgJob(t *meta.Meta, reorgInfo *reorgInfo, tblInfo *model. rowCount, doneKey := w.reorgCtx.getRowCountAndKey() // Update a job's RowCount. job.SetRowCount(rowCount) - updateAddIndexProgress(w, tblInfo, rowCount) + updateBackfillProgress(w, reorgInfo, tblInfo, rowCount) // Update a job's warnings. w.mergeWarningsIntoJob(job) @@ -266,7 +268,8 @@ func (w *worker) mergeWarningsIntoJob(job *model.Job) { w.reorgCtx.mu.Unlock() } -func updateAddIndexProgress(w *worker, tblInfo *model.TableInfo, addedRowCount int64) { +func updateBackfillProgress(w *worker, reorgInfo *reorgInfo, tblInfo *model.TableInfo, + addedRowCount int64) { if tblInfo == nil || addedRowCount == 0 { return } @@ -280,7 +283,12 @@ func updateAddIndexProgress(w *worker, tblInfo *model.TableInfo, addedRowCount i if progress > 1 { progress = 1 } - metrics.AddIndexProgress.Set(progress * 100) + switch reorgInfo.Type { + case model.ActionAddIndex, model.ActionAddPrimaryKey: + metrics.GetBackfillProgressByLabel(metrics.LblAddIndex).Set(progress * 100) + case model.ActionModifyColumn: + metrics.GetBackfillProgressByLabel(metrics.LblModifyColumn).Set(progress * 100) + } } func getTableTotalCount(w *worker, tblInfo *model.TableInfo) int64 { diff --git a/metrics/ddl.go b/metrics/ddl.go index 2662b6f4166d5..61b271c0f652d 100644 --- a/metrics/ddl.go +++ b/metrics/ddl.go @@ -114,16 +114,24 @@ var ( Help: "Speed of add index", }, []string{LblType}) - AddIndexProgress = prometheus.NewGauge( + BackfillProgressGauge = prometheus.NewGaugeVec( prometheus.GaugeOpts{ Namespace: "tidb", Subsystem: "ddl", - Name: "add_index_percentage_progress", - Help: "Percentage progress of add index", - }) + Name: "backfill_percentage_progress", + Help: "Percentage progress of backfill", + }, []string{LblType}) ) // Label constants. const ( LblAction = "action" + + LblAddIndex = "add_index" + LblModifyColumn = "modify_column" ) + +// GetBackfillProgressByLabel returns the Gauge showing the percentage progress for the given type label. +func GetBackfillProgressByLabel(lbl string) prometheus.Gauge { + return BackfillProgressGauge.WithLabelValues(lbl) +} diff --git a/metrics/grafana/tidb.json b/metrics/grafana/tidb.json index e276757f5e43d..642302a9d39c1 100644 --- a/metrics/grafana/tidb.json +++ b/metrics/grafana/tidb.json @@ -9127,7 +9127,7 @@ "dashLength": 10, "dashes": false, "datasource": "${DS_TEST-CLUSTER}", - "description": "TiDB DDL add index progress in percentage. The value is [0,100]", + "description": "TiDB DDL backfill progress in percentage. The value is [0,100]", "fill": 1, "gridPos": { "h": 8, @@ -9162,18 +9162,25 @@ "steppedLine": false, "targets": [ { - "expr": "tidb_ddl_add_index_percentage_progress", + "expr": "irate(tidb_ddl_add_index_percentage_progress{type=\"add_index\"}[1m])", "format": "time_series", "intervalFactor": 1, "legendFormat": "{{instance}}", "refId": "A" + }, + { + "expr": "irate(tidb_ddl_add_index_percentage_progress{type=\"modify_column\"}[1m])", + "format": "time_series", + "intervalFactor": 1, + "legendFormat": "{{instance}}", + "refId": "B" } ], "thresholds": [], "timeFrom": null, "timeRegions": [], "timeShift": null, - "title": "DDL add index progress in percentage", + "title": "DDL backfill progress in percentage", "tooltip": { "shared": true, "sort": 0, diff --git a/metrics/metrics.go b/metrics/metrics.go index ec013fd668600..62c2d4d615152 100644 --- a/metrics/metrics.go +++ b/metrics/metrics.go @@ -73,7 +73,7 @@ func RegisterMetrics() { prometheus.MustRegister(CriticalErrorCounter) prometheus.MustRegister(DDLCounter) prometheus.MustRegister(BackfillTotalCounter) - prometheus.MustRegister(AddIndexProgress) + prometheus.MustRegister(BackfillProgressGauge) prometheus.MustRegister(DDLWorkerHistogram) prometheus.MustRegister(DeploySyncerHistogram) prometheus.MustRegister(DistSQLPartialCountHistogram) From 269494e3de6d5dcee54087e074b21dc546962157 Mon Sep 17 00:00:00 2001 From: Null not nil <67764674+nullnotnil@users.noreply.github.com> Date: Wed, 11 Nov 2020 22:22:42 -0700 Subject: [PATCH 0197/1021] *: Move sysvar validation to struct (3 of 3) (#20521) --- executor/set_test.go | 8 +- expression/integration_test.go | 2 +- planner/core/common_plans.go | 2 +- planner/core/expression_rewriter.go | 2 +- session/bootstrap.go | 4 +- session/bootstrap_test.go | 2 +- sessionctx/variable/sysvar.go | 445 +++++++++++++++++++++++---- sessionctx/variable/sysvar_test.go | 5 - sessionctx/variable/varsutil.go | 355 +-------------------- sessionctx/variable/varsutil_test.go | 6 +- tidb-server/main.go | 4 +- 11 files changed, 408 insertions(+), 427 deletions(-) diff --git a/executor/set_test.go b/executor/set_test.go index 6ee05dbac50de..a0116badd2722 100644 --- a/executor/set_test.go +++ b/executor/set_test.go @@ -260,8 +260,12 @@ func (s *testSuite5) TestSetVar(c *C) { tk.MustExec("set @@sql_log_bin = on") tk.MustQuery(`select @@session.sql_log_bin;`).Check(testkit.Rows("1")) - tk.MustQuery(`select @@global.log_bin;`).Check(testkit.Rows(variable.BoolToIntStr(config.GetGlobalConfig().Binlog.Enable))) - tk.MustQuery(`select @@log_bin;`).Check(testkit.Rows(variable.BoolToIntStr(config.GetGlobalConfig().Binlog.Enable))) + binlogValue := "0" + if config.GetGlobalConfig().Binlog.Enable { + binlogValue = "1" + } + tk.MustQuery(`select @@global.log_bin;`).Check(testkit.Rows(binlogValue)) + tk.MustQuery(`select @@log_bin;`).Check(testkit.Rows(binlogValue)) tk.MustExec("set @@tidb_general_log = 1") tk.MustExec("set @@tidb_general_log = 0") diff --git a/expression/integration_test.go b/expression/integration_test.go index 6b3294e22306a..fc1cf951fec03 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -4746,7 +4746,7 @@ func (s *testIntegrationSuite) TestForeignKeyVar(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("SET FOREIGN_KEY_CHECKS=1") - tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 8047 variable 'foreign_key_checks' does not yet support value: ON")) + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 8047 variable 'foreign_key_checks' does not yet support value: 1")) } func (s *testIntegrationSuite) TestUserVarMockWindFunc(c *C) { diff --git a/planner/core/common_plans.go b/planner/core/common_plans.go index bd3e1f92f668d..107eea6352269 100644 --- a/planner/core/common_plans.go +++ b/planner/core/common_plans.go @@ -270,7 +270,7 @@ func (e *Execute) checkPreparedPriv(ctx context.Context, sctx sessionctx.Context func (e *Execute) setFoundInPlanCache(sctx sessionctx.Context, opt bool) error { vars := sctx.GetSessionVars() - err := vars.SetSystemVar(variable.TiDBFoundInPlanCache, variable.BoolToIntStr(opt)) + err := vars.SetSystemVar(variable.TiDBFoundInPlanCache, variable.BoolToOnOff(opt)) return err } diff --git a/planner/core/expression_rewriter.go b/planner/core/expression_rewriter.go index e3d1cb869362f..6b3169d5ec299 100644 --- a/planner/core/expression_rewriter.go +++ b/planner/core/expression_rewriter.go @@ -1160,7 +1160,7 @@ func (er *expressionRewriter) rewriteVariable(v *ast.VariableExpr) { er.err = err return } - nativeVal, nativeType := variable.GetNativeValType(name, val) + nativeVal, nativeType := sysVar.GetNativeValType(val) e := expression.DatumToConstant(nativeVal, nativeType) e.GetType().Charset, _ = er.sctx.GetSessionVars().GetSystemVar(variable.CharacterSetConnection) e.GetType().Collate, _ = er.sctx.GetSessionVars().GetSystemVar(variable.CollationConnection) diff --git a/session/bootstrap.go b/session/bootstrap.go index caa8f4fb257bd..a6a55b52b4daa 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -1064,8 +1064,8 @@ func upgradeToVer42(s Session, ver int64) { func writeStmtSummaryVars(s Session) { sql := fmt.Sprintf("UPDATE %s.%s SET variable_value='%%s' WHERE variable_name='%%s' AND variable_value=''", mysql.SystemDB, mysql.GlobalVariablesTable) stmtSummaryConfig := config.GetGlobalConfig().StmtSummary - mustExecute(s, fmt.Sprintf(sql, variable.BoolToIntStr(stmtSummaryConfig.Enable), variable.TiDBEnableStmtSummary)) - mustExecute(s, fmt.Sprintf(sql, variable.BoolToIntStr(stmtSummaryConfig.EnableInternalQuery), variable.TiDBStmtSummaryInternalQuery)) + mustExecute(s, fmt.Sprintf(sql, variable.BoolToOnOff(stmtSummaryConfig.Enable), variable.TiDBEnableStmtSummary)) + mustExecute(s, fmt.Sprintf(sql, variable.BoolToOnOff(stmtSummaryConfig.EnableInternalQuery), variable.TiDBStmtSummaryInternalQuery)) mustExecute(s, fmt.Sprintf(sql, strconv.Itoa(stmtSummaryConfig.RefreshInterval), variable.TiDBStmtSummaryRefreshInterval)) mustExecute(s, fmt.Sprintf(sql, strconv.Itoa(stmtSummaryConfig.HistorySize), variable.TiDBStmtSummaryHistorySize)) mustExecute(s, fmt.Sprintf(sql, strconv.FormatUint(uint64(stmtSummaryConfig.MaxStmtCount), 10), variable.TiDBStmtSummaryMaxStmtCount)) diff --git a/session/bootstrap_test.go b/session/bootstrap_test.go index a0c4c6d9127c5..59ffa3b35a971 100644 --- a/session/bootstrap_test.go +++ b/session/bootstrap_test.go @@ -333,6 +333,6 @@ func (s *testBootstrapSuite) TestStmtSummary(c *C) { req := r.NewChunk() c.Assert(r.Next(ctx, req), IsNil) row := req.GetRow(0) - c.Assert(row.GetBytes(0), BytesEquals, []byte("1")) + c.Assert(row.GetBytes(0), BytesEquals, []byte("ON")) c.Assert(r.Close(), IsNil) } diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 71857da0594b4..4950ffc413395 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -14,16 +14,21 @@ package variable import ( + "fmt" "math" "strconv" "strings" "sync" "sync/atomic" + "time" + "github.com/cznic/mathutil" + "github.com/pingcap/errors" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/types" + "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/versioninfo" ) @@ -54,6 +59,8 @@ const ( TypeFloat TypeFlag = 4 // TypeUnsigned for Unsigned integer TypeUnsigned TypeFlag = 5 + // TypeTime for time of day (a TiDB extension) + TypeTime TypeFlag = 6 // BoolOff is the canonical string representation of a boolean false. BoolOff = "OFF" @@ -85,12 +92,240 @@ type SysVar struct { PossibleValues []string // AllowEmpty is a special TiDB behavior which means "read value from config" (do not use) AllowEmpty bool - // AllowEmptyAll is a special behavior that only applies to TiDBCapturePlanBaseline (do not use) + // AllowEmptyAll is a special behavior that only applies to TiDBCapturePlanBaseline, TiDBTxnMode (do not use) AllowEmptyAll bool + // AllowAutoValue means that the special value "-1" is permitted, even when outside of range. + AllowAutoValue bool + // Validation is a callback after the type validation has been performed + Validation func(*SessionVars, string, string, ScopeFlag) (string, error) // IsHintUpdatable indicate whether it's updatable via SET_VAR() hint (optional) IsHintUpdatable bool } +// ValidateFromType provides automatic validation based on the SysVar's type +func (sv *SysVar) ValidateFromType(vars *SessionVars, value string, scope ScopeFlag) (string, error) { + // Some sysvars are read-only. Attempting to set should always fail. + if sv.ReadOnly || sv.Scope == ScopeNone { + return value, ErrReadOnly.GenWithStackByArgs(sv.Name) + } + // The string "DEFAULT" is a special keyword in MySQL, which restores + // the compiled sysvar value. In which case we can skip further validation. + if strings.EqualFold(value, "DEFAULT") { + return sv.Value, nil + } + // Some sysvars in TiDB have a special behavior where the empty string means + // "use the config file value". This needs to be cleaned up once the behavior + // for instance variables is determined. + if value == "" && ((sv.AllowEmpty && scope == ScopeSession) || sv.AllowEmptyAll) { + return value, nil + } + // Provide validation using the SysVar struct + switch sv.Type { + case TypeUnsigned: + return sv.checkUInt64SystemVar(value, vars) + case TypeInt: + return sv.checkInt64SystemVar(value, vars) + case TypeBool: + return sv.checkBoolSystemVar(value, vars) + case TypeFloat: + return sv.checkFloatSystemVar(value, vars) + case TypeEnum: + return sv.checkEnumSystemVar(value, vars) + case TypeTime: + return sv.checkTimeSystemVar(value, vars) + } + return value, nil // typeString +} + +const ( + localDayTimeFormat = "15:04" + // FullDayTimeFormat is the full format of analyze start time and end time. + FullDayTimeFormat = "15:04 -0700" +) + +func (sv *SysVar) checkTimeSystemVar(value string, vars *SessionVars) (string, error) { + var t time.Time + var err error + if len(value) <= len(localDayTimeFormat) { + t, err = time.ParseInLocation(localDayTimeFormat, value, vars.TimeZone) + } else { + t, err = time.ParseInLocation(FullDayTimeFormat, value, vars.TimeZone) + } + if err != nil { + return "", err + } + return t.Format(FullDayTimeFormat), nil +} + +func (sv *SysVar) checkUInt64SystemVar(value string, vars *SessionVars) (string, error) { + if sv.AllowAutoValue && value == "-1" { + return value, nil + } + // There are two types of validation behaviors for integer values. The default + // is to return an error saying the value is out of range. For MySQL compatibility, some + // values prefer convert the value to the min/max and return a warning. + if !sv.AutoConvertOutOfRange { + return sv.checkUint64SystemVarWithError(value) + } + if len(value) == 0 { + return value, ErrWrongTypeForVar.GenWithStackByArgs(sv.Name) + } + if value[0] == '-' { + _, err := strconv.ParseInt(value, 10, 64) + if err != nil { + return value, ErrWrongTypeForVar.GenWithStackByArgs(sv.Name) + } + vars.StmtCtx.AppendWarning(ErrTruncatedWrongValue.GenWithStackByArgs(sv.Name, value)) + return fmt.Sprintf("%d", sv.MinValue), nil + } + val, err := strconv.ParseUint(value, 10, 64) + if err != nil { + return value, ErrWrongTypeForVar.GenWithStackByArgs(sv.Name) + } + if val < uint64(sv.MinValue) { + vars.StmtCtx.AppendWarning(ErrTruncatedWrongValue.GenWithStackByArgs(sv.Name, value)) + return fmt.Sprintf("%d", sv.MinValue), nil + } + if val > sv.MaxValue { + vars.StmtCtx.AppendWarning(ErrTruncatedWrongValue.GenWithStackByArgs(sv.Name, value)) + return fmt.Sprintf("%d", sv.MaxValue), nil + } + return value, nil +} + +func (sv *SysVar) checkInt64SystemVar(value string, vars *SessionVars) (string, error) { + if sv.AllowAutoValue && value == "-1" { + return value, nil + } + // There are two types of validation behaviors for integer values. The default + // is to return an error saying the value is out of range. For MySQL compatibility, some + // values prefer convert the value to the min/max and return a warning. + if !sv.AutoConvertOutOfRange { + return sv.checkInt64SystemVarWithError(value) + } + val, err := strconv.ParseInt(value, 10, 64) + if err != nil { + return value, ErrWrongTypeForVar.GenWithStackByArgs(sv.Name) + } + if val < sv.MinValue { + vars.StmtCtx.AppendWarning(ErrTruncatedWrongValue.GenWithStackByArgs(sv.Name, value)) + return fmt.Sprintf("%d", sv.MinValue), nil + } + if val > int64(sv.MaxValue) { + vars.StmtCtx.AppendWarning(ErrTruncatedWrongValue.GenWithStackByArgs(sv.Name, value)) + return fmt.Sprintf("%d", sv.MaxValue), nil + } + return value, nil +} + +func (sv *SysVar) checkEnumSystemVar(value string, vars *SessionVars) (string, error) { + // The value could be either a string or the ordinal position in the PossibleValues. + // This allows for the behavior 0 = OFF, 1 = ON, 2 = DEMAND etc. + var iStr string + for i, v := range sv.PossibleValues { + iStr = fmt.Sprintf("%d", i) + if strings.EqualFold(value, v) || strings.EqualFold(value, iStr) { + return v, nil + } + } + return value, ErrWrongValueForVar.GenWithStackByArgs(sv.Name, value) +} + +func (sv *SysVar) checkFloatSystemVar(value string, vars *SessionVars) (string, error) { + if len(value) == 0 { + return value, ErrWrongTypeForVar.GenWithStackByArgs(sv.Name) + } + val, err := strconv.ParseFloat(value, 64) + if err != nil { + return value, ErrWrongTypeForVar.GenWithStackByArgs(sv.Name) + } + if val < float64(sv.MinValue) || val > float64(sv.MaxValue) { + return value, ErrWrongValueForVar.GenWithStackByArgs(sv.Name, value) + } + return value, nil +} + +func (sv *SysVar) checkBoolSystemVar(value string, vars *SessionVars) (string, error) { + if strings.EqualFold(value, "ON") { + return BoolOn, nil + } else if strings.EqualFold(value, "OFF") { + return BoolOff, nil + } + val, err := strconv.ParseInt(value, 10, 64) + if err == nil { + // There are two types of conversion rules for integer values. + // The default only allows 0 || 1, but a subset of values convert any + // negative integer to 1. + if !sv.AutoConvertNegativeBool { + if val == 0 { + return BoolOff, nil + } else if val == 1 { + return BoolOn, nil + } + } else { + if val == 1 || val < 0 { + return BoolOn, nil + } else if val == 0 { + return BoolOff, nil + } + } + } + return value, ErrWrongValueForVar.GenWithStackByArgs(sv.Name, value) +} + +func (sv *SysVar) checkUint64SystemVarWithError(value string) (string, error) { + if len(value) == 0 { + return value, ErrWrongTypeForVar.GenWithStackByArgs(sv.Name) + } + if value[0] == '-' { + // // in strict it expects the error WrongValue, but in non-strict it returns WrongType + return value, ErrWrongValueForVar.GenWithStackByArgs(sv.Name, value) + } + val, err := strconv.ParseUint(value, 10, 64) + if err != nil { + return value, ErrWrongTypeForVar.GenWithStackByArgs(sv.Name) + } + if val < uint64(sv.MinValue) || val > sv.MaxValue { + return value, ErrWrongValueForVar.GenWithStackByArgs(sv.Name, value) + } + return value, nil +} + +func (sv *SysVar) checkInt64SystemVarWithError(value string) (string, error) { + if len(value) == 0 { + return value, ErrWrongTypeForVar.GenWithStackByArgs(sv.Name) + } + val, err := strconv.ParseInt(value, 10, 64) + if err != nil { + return value, ErrWrongTypeForVar.GenWithStackByArgs(sv.Name) + } + if val < sv.MinValue || val > int64(sv.MaxValue) { + return value, ErrWrongValueForVar.GenWithStackByArgs(sv.Name, value) + } + return value, nil +} + +// ValidateFromHook calls the anonymous function on the sysvar if it exists. +func (sv *SysVar) ValidateFromHook(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + if sv.Validation != nil { + return sv.Validation(vars, normalizedValue, originalValue, scope) + } + return normalizedValue, nil +} + +// GetNativeValType attempts to convert the val to the approx MySQL non-string type +func (sv *SysVar) GetNativeValType(val string) (types.Datum, byte) { + switch sv.Type { + case TypeBool: + optVal := int64(0) // OFF + if TiDBOptOn(val) { + optVal = 1 + } + return types.NewIntDatum(optVal), mysql.TypeLong + } + return types.NewStringDatum(val), mysql.TypeVarString +} + var sysVars map[string]*SysVar var sysVarsLock sync.RWMutex @@ -110,21 +345,8 @@ func GetSysVar(name string) *SysVar { return sysVars[name] } -// GetNativeValType attempts to convert the val to the approx MySQL non-string type -func GetNativeValType(name, val string) (types.Datum, byte) { - switch sysVars[name].Type { - case TypeBool: - optVal := int64(0) // off - if TiDBOptOn(val) { - optVal = 1 - } - return types.NewIntDatum(optVal), mysql.TypeLong - - } - return types.NewStringDatum(val), mysql.TypeVarString -} - -// SetSysVar sets a sysvar. This will not propagate to the cluster, so it should only be used for instance scoped AUTO variables such as system_time_zone. +// SetSysVar sets a sysvar. This will not propagate to the cluster, so it should only be +// used for instance scoped AUTO variables such as system_time_zone. func SetSysVar(name string, value string) { name = strings.ToLower(name) sysVarsLock.Lock() @@ -150,14 +372,6 @@ func init() { initSynonymsSysVariables() } -// BoolToIntStr converts bool to int string, for example "0" or "1". -func BoolToIntStr(b bool) string { - if b { - return "1" - } - return "0" -} - // BoolToOnOff returns the string representation of a bool, i.e. "ON/OFF" func BoolToOnOff(b bool) string { if b { @@ -173,14 +387,6 @@ func int32ToBoolStr(i int32) string { return BoolOff } -// BoolToInt32 converts bool to int32 -func BoolToInt32(b bool) int32 { - if b { - return 1 - } - return 0 -} - // we only support MySQL now var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "gtid_mode", Value: BoolOff, Type: TypeBool}, @@ -235,7 +441,12 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: "range_alloc_block_size", Value: "4096", IsHintUpdatable: true}, {Scope: ScopeGlobal, Name: ConnectTimeout, Value: "10", Type: TypeUnsigned, MinValue: 2, MaxValue: secondsPerYear, AutoConvertOutOfRange: true}, {Scope: ScopeGlobal | ScopeSession, Name: MaxExecutionTime, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true, IsHintUpdatable: true}, - {Scope: ScopeGlobal | ScopeSession, Name: CollationServer, Value: mysql.DefaultCollationName}, + {Scope: ScopeGlobal | ScopeSession, Name: CollationServer, Value: mysql.DefaultCollationName, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + if _, err := collate.GetCollationByName(normalizedValue); err != nil { + return normalizedValue, errors.Trace(err) + } + return normalizedValue, nil + }}, {Scope: ScopeNone, Name: "have_rtree_keys", Value: "YES"}, {Scope: ScopeGlobal, Name: "innodb_old_blocks_pct", Value: "37"}, {Scope: ScopeGlobal, Name: "innodb_file_format", Value: "Antelope"}, @@ -270,7 +481,13 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "key_cache_division_limit", Value: "100"}, {Scope: ScopeGlobal | ScopeSession, Name: "max_insert_delayed_threads", Value: "20"}, {Scope: ScopeNone, Name: "performance_schema_session_connect_attrs_size", Value: "512"}, - {Scope: ScopeGlobal | ScopeSession, Name: "time_zone", Value: "SYSTEM", IsHintUpdatable: true}, + {Scope: ScopeGlobal | ScopeSession, Name: TimeZone, Value: "SYSTEM", IsHintUpdatable: true, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + if strings.EqualFold(normalizedValue, "SYSTEM") { + return "SYSTEM", nil + } + _, err := parseTimeZone(normalizedValue) + return normalizedValue, err + }}, {Scope: ScopeGlobal, Name: "innodb_max_dirty_pages_pct", Value: "75"}, {Scope: ScopeGlobal, Name: InnodbFilePerTable, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeGlobal, Name: InnodbLogCompressedPages, Value: "1"}, @@ -287,7 +504,17 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: InnodbPrintAllDeadlocks, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeNone, Name: "innodb_autoinc_lock_mode", Value: "1"}, {Scope: ScopeGlobal, Name: "key_buffer_size", Value: "8388608"}, - {Scope: ScopeGlobal | ScopeSession, Name: ForeignKeyChecks, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: ForeignKeyChecks, Value: BoolOff, Type: TypeBool, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + if TiDBOptOn(normalizedValue) { + // TiDB does not yet support foreign keys. + // Return the original value in the warning, so that users are not confused. + vars.StmtCtx.AppendWarning(ErrUnsupportedValueForVar.GenWithStackByArgs(ForeignKeyChecks, originalValue)) + return BoolOff, nil + } else if !TiDBOptOn(normalizedValue) { + return BoolOff, nil + } + return normalizedValue, ErrWrongValueForVar.GenWithStackByArgs(ForeignKeyChecks, originalValue) + }}, {Scope: ScopeGlobal, Name: "host_cache_size", Value: "279"}, {Scope: ScopeGlobal, Name: DelayKeyWrite, Value: BoolOn, Type: TypeEnum, PossibleValues: []string{BoolOff, BoolOn, "ALL"}}, {Scope: ScopeNone, Name: "metadata_locks_cache_size", Value: "1024"}, @@ -356,7 +583,12 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: QueryCacheWlockInvalidate, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: "sql_buffer_result", Value: BoolOff, IsHintUpdatable: true}, {Scope: ScopeGlobal | ScopeSession, Name: "character_set_filesystem", Value: "binary"}, - {Scope: ScopeGlobal | ScopeSession, Name: "collation_database", Value: mysql.DefaultCollationName}, + {Scope: ScopeGlobal | ScopeSession, Name: CollationDatabase, Value: mysql.DefaultCollationName, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + if _, err := collate.GetCollationByName(normalizedValue); err != nil { + return normalizedValue, errors.Trace(err) + } + return normalizedValue, nil + }}, {Scope: ScopeGlobal | ScopeSession, Name: AutoIncrementIncrement, Value: strconv.FormatInt(DefAutoIncrementIncrement, 10), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint16, AutoConvertOutOfRange: true}, {Scope: ScopeGlobal | ScopeSession, Name: AutoIncrementOffset, Value: strconv.FormatInt(DefAutoIncrementOffset, 10), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint16, AutoConvertOutOfRange: true}, {Scope: ScopeGlobal | ScopeSession, Name: "max_heap_table_size", Value: "16777216", IsHintUpdatable: true}, @@ -436,7 +668,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "log_syslog_include_pid", Value: ""}, {Scope: ScopeSession, Name: "last_insert_id", Value: ""}, {Scope: ScopeNone, Name: "innodb_ft_cache_size", Value: "8000000"}, - {Scope: ScopeNone, Name: LogBin, Value: "0"}, + {Scope: ScopeNone, Name: LogBin, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal, Name: InnodbDisableSortFileCache, Value: "0"}, {Scope: ScopeGlobal, Name: "log_error_verbosity", Value: ""}, {Scope: ScopeNone, Name: "performance_schema_hosts_size", Value: "100"}, @@ -460,9 +692,34 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "version_comment", Value: "TiDB Server (Apache License 2.0) " + versioninfo.TiDBEdition + " Edition, MySQL 5.7 compatible"}, {Scope: ScopeGlobal | ScopeSession, Name: NetWriteTimeout, Value: "60"}, {Scope: ScopeGlobal, Name: InnodbBufferPoolLoadAbort, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeGlobal | ScopeSession, Name: TxnIsolation, Value: "REPEATABLE-READ"}, - {Scope: ScopeGlobal | ScopeSession, Name: TransactionIsolation, Value: "REPEATABLE-READ"}, - {Scope: ScopeGlobal | ScopeSession, Name: "collation_connection", Value: mysql.DefaultCollationName}, + {Scope: ScopeGlobal | ScopeSession, Name: TxnIsolation, Value: "REPEATABLE-READ", Type: TypeEnum, PossibleValues: []string{"READ-UNCOMMITTED", "READ-COMMITTED", "REPEATABLE-READ", "SERIALIZABLE"}, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + if normalizedValue == "SERIALIZABLE" || normalizedValue == "READ-UNCOMMITTED" { + if skipIsolationLevelCheck, err := GetSessionSystemVar(vars, TiDBSkipIsolationLevelCheck); err != nil { + return normalizedValue, err + } else if !TiDBOptOn(skipIsolationLevelCheck) { + return normalizedValue, ErrUnsupportedIsolationLevel.GenWithStackByArgs(normalizedValue) + } + } + return normalizedValue, nil + }}, + {Scope: ScopeGlobal | ScopeSession, Name: TransactionIsolation, Value: "REPEATABLE-READ", Type: TypeEnum, PossibleValues: []string{"READ-UNCOMMITTED", "READ-COMMITTED", "REPEATABLE-READ", "SERIALIZABLE"}, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + if normalizedValue == "SERIALIZABLE" || normalizedValue == "READ-UNCOMMITTED" { + returnErr := ErrUnsupportedIsolationLevel.GenWithStackByArgs(normalizedValue) + if skipIsolationLevelCheck, err := GetSessionSystemVar(vars, TiDBSkipIsolationLevelCheck); err != nil { + return normalizedValue, err + } else if !TiDBOptOn(skipIsolationLevelCheck) { + return normalizedValue, returnErr + } + vars.StmtCtx.AppendWarning(returnErr) + } + return normalizedValue, nil + }}, + {Scope: ScopeGlobal | ScopeSession, Name: CollationConnection, Value: mysql.DefaultCollationName, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + if _, err := collate.GetCollationByName(normalizedValue); err != nil { + return normalizedValue, errors.Trace(err) + } + return normalizedValue, nil + }}, {Scope: ScopeGlobal | ScopeSession, Name: "transaction_prealloc_size", Value: "4096"}, {Scope: ScopeNone, Name: "performance_schema_setup_objects_size", Value: "100"}, {Scope: ScopeGlobal, Name: "sync_relay_log", Value: "10000"}, @@ -484,7 +741,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "table_open_cache_instances", Value: "1"}, {Scope: ScopeGlobal, Name: InnodbStatsPersistent, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeGlobal | ScopeSession, Name: "session_track_state_change", Value: ""}, - {Scope: ScopeNone, Name: "optimizer_switch", Value: "index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on,index_condition_pushdown=on,mrr=on,mrr_cost_based=on,block_nested_loop=on,batched_key_access=off,materialization=on,semijoin=on,loosescan=on,firstmatch=on,subquery_materialization_cost_based=on,use_index_extensions=on"}, + {Scope: ScopeNone, Name: OptimizerSwitch, Value: "index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on,index_condition_pushdown=on,mrr=on,mrr_cost_based=on,block_nested_loop=on,batched_key_access=off,materialization=on,semijoin=on,loosescan=on,firstmatch=on,subquery_materialization_cost_based=on,use_index_extensions=on", IsHintUpdatable: true}, {Scope: ScopeGlobal, Name: "delayed_queue_size", Value: "1000"}, {Scope: ScopeNone, Name: "innodb_read_only", Value: "0"}, {Scope: ScopeNone, Name: "datetime_format", Value: "%Y-%m-%d %H:%i:%s"}, @@ -509,7 +766,12 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: InnodbCommitConcurrency, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: 1000, AutoConvertOutOfRange: true}, {Scope: ScopeNone, Name: "ft_min_word_len", Value: "4"}, {Scope: ScopeGlobal, Name: EnforceGtidConsistency, Value: BoolOff, Type: TypeEnum, PossibleValues: []string{BoolOff, BoolOn, "WARN"}}, - {Scope: ScopeGlobal, Name: SecureAuth, Value: BoolOn, Type: TypeBool}, + {Scope: ScopeGlobal, Name: SecureAuth, Value: BoolOn, Type: TypeBool, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + if TiDBOptOn(normalizedValue) { + return BoolOn, nil + } + return normalizedValue, ErrWrongValueForVar.GenWithStackByArgs(SecureAuth, originalValue) + }}, {Scope: ScopeNone, Name: "max_tmp_tables", Value: "32"}, {Scope: ScopeGlobal, Name: InnodbRandomReadAhead, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeGlobal | ScopeSession, Name: UniqueChecks, Value: BoolOn, Type: TypeBool, IsHintUpdatable: true}, @@ -614,7 +876,21 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "myisam_max_sort_file_size", Value: "9223372036853727232"}, {Scope: ScopeNone, Name: "back_log", Value: "80"}, {Scope: ScopeNone, Name: "lower_case_file_system", Value: "1"}, - {Scope: ScopeGlobal | ScopeSession, Name: GroupConcatMaxLen, Value: "1024", AutoConvertOutOfRange: true, IsHintUpdatable: true}, + {Scope: ScopeGlobal | ScopeSession, Name: GroupConcatMaxLen, Value: "1024", AutoConvertOutOfRange: true, IsHintUpdatable: true, Type: TypeUnsigned, MinValue: 4, MaxValue: math.MaxUint64, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + // https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_group_concat_max_len + // Minimum Value 4 + // Maximum Value (64-bit platforms) 18446744073709551615 + // Maximum Value (32-bit platforms) 4294967295 + if mathutil.IntBits == 32 { + if val, err := strconv.ParseUint(normalizedValue, 10, 64); err == nil { + if val > uint64(math.MaxUint32) { + vars.StmtCtx.AppendWarning(ErrTruncatedWrongValue.GenWithStackByArgs(GroupConcatMaxLen, originalValue)) + return fmt.Sprintf("%d", math.MaxUint32), nil + } + } + } + return normalizedValue, nil + }}, {Scope: ScopeSession, Name: "pseudo_thread_id", Value: ""}, {Scope: ScopeNone, Name: "socket", Value: "/tmp/myssock"}, {Scope: ScopeNone, Name: "have_dynamic_loading", Value: "YES"}, @@ -651,7 +927,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "innodb_buffer_pool_dump_pct", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: "lc_time_names", Value: "en_US"}, {Scope: ScopeGlobal | ScopeSession, Name: "max_statement_time", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: EndMakersInJSON, Value: BoolOff, Type: TypeBool, IsHintUpdatable: true}, + {Scope: ScopeGlobal | ScopeSession, Name: EndMarkersInJSON, Value: BoolOff, Type: TypeBool, IsHintUpdatable: true}, {Scope: ScopeGlobal, Name: AvoidTemporalUpgrade, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal, Name: "key_cache_age_threshold", Value: "300"}, {Scope: ScopeGlobal, Name: InnodbStatusOutput, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, @@ -666,21 +942,26 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: WindowingUseHighPrecision, Value: BoolOn, Type: TypeBool, IsHintUpdatable: true}, {Scope: ScopeSession, Name: TiDBTxnScope, Value: config.GetGlobalConfig().TxnScope}, /* TiDB specific variables */ - {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowMPPExecution, Value: BoolToIntStr(DefTiDBAllowMPPExecution)}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowMPPExecution, Type: TypeBool, Value: BoolToOnOff(DefTiDBAllowMPPExecution)}, {Scope: ScopeSession, Name: TiDBSnapshot, Value: ""}, {Scope: ScopeSession, Name: TiDBOptAggPushDown, Value: BoolToOnOff(DefOptAggPushDown), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptBCJ, Value: BoolToOnOff(DefOptBCJ)}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptBCJ, Value: BoolToOnOff(DefOptBCJ), Type: TypeBool, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + if TiDBOptOn(normalizedValue) && vars.AllowBatchCop == 0 { + return normalizedValue, ErrWrongValueForVar.GenWithStackByArgs("Can't set Broadcast Join to 1 but tidb_allow_batch_cop is 0, please active batch cop at first.") + } + return normalizedValue, nil + }}, {Scope: ScopeSession, Name: TiDBOptDistinctAggPushDown, Value: BoolToOnOff(config.GetGlobalConfig().Performance.DistinctAggPushDown), Type: TypeBool}, {Scope: ScopeSession, Name: TiDBOptWriteRowID, Value: BoolToOnOff(DefOptWriteRowID)}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBBuildStatsConcurrency, Value: strconv.Itoa(DefBuildStatsConcurrency)}, {Scope: ScopeGlobal, Name: TiDBAutoAnalyzeRatio, Value: strconv.FormatFloat(DefAutoAnalyzeRatio, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: math.MaxUint64}, - {Scope: ScopeGlobal, Name: TiDBAutoAnalyzeStartTime, Value: DefAutoAnalyzeStartTime}, - {Scope: ScopeGlobal, Name: TiDBAutoAnalyzeEndTime, Value: DefAutoAnalyzeEndTime}, + {Scope: ScopeGlobal, Name: TiDBAutoAnalyzeStartTime, Value: DefAutoAnalyzeStartTime, Type: TypeTime}, + {Scope: ScopeGlobal, Name: TiDBAutoAnalyzeEndTime, Value: DefAutoAnalyzeEndTime, Type: TypeTime}, {Scope: ScopeSession, Name: TiDBChecksumTableConcurrency, Value: strconv.Itoa(DefChecksumTableConcurrency)}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBExecutorConcurrency, Value: strconv.Itoa(DefExecutorConcurrency), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBDistSQLScanConcurrency, Value: strconv.Itoa(DefDistSQLScanConcurrency), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptInSubqToJoinAndAgg, Value: BoolToIntStr(DefOptInSubqToJoinAndAgg), Type: TypeBool}, - {Scope: ScopeSession, Name: TiDBOptPreferRangeScan, Value: BoolToIntStr(DefOptPreferRangeScan), Type: TypeBool, IsHintUpdatable: true}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptInSubqToJoinAndAgg, Value: BoolToOnOff(DefOptInSubqToJoinAndAgg), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBOptPreferRangeScan, Value: BoolToOnOff(DefOptPreferRangeScan), Type: TypeBool, IsHintUpdatable: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptCorrelationThreshold, Value: strconv.FormatFloat(DefOptCorrelationThreshold, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: 1}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptCorrelationExpFactor, Value: strconv.Itoa(DefOptCorrelationExpFactor), Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptCPUFactor, Value: strconv.FormatFloat(DefOptCPUFactor, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: math.MaxUint64}, @@ -695,8 +976,8 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptConcurrencyFactor, Value: strconv.FormatFloat(DefOptConcurrencyFactor, 'f', -1, 64), Type: TypeFloat, MinValue: 0, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBIndexJoinBatchSize, Value: strconv.Itoa(DefIndexJoinBatchSize), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBIndexLookupSize, Value: strconv.Itoa(DefIndexLookupSize), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBIndexLookupConcurrency, Value: strconv.Itoa(DefIndexLookupConcurrency)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBIndexLookupJoinConcurrency, Value: strconv.Itoa(DefIndexLookupJoinConcurrency)}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBIndexLookupConcurrency, Value: strconv.Itoa(DefIndexLookupConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBIndexLookupJoinConcurrency, Value: strconv.Itoa(DefIndexLookupJoinConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBIndexSerialScanConcurrency, Value: strconv.Itoa(DefIndexSerialScanConcurrency), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBSkipUTF8Check, Value: BoolToOnOff(DefSkipUTF8Check), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBSkipASCIICheck, Value: BoolToOnOff(DefSkipASCIICheck), Type: TypeBool}, @@ -707,7 +988,12 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TiDBCurrentTS, Value: strconv.Itoa(DefCurretTS)}, {Scope: ScopeSession, Name: TiDBLastTxnInfo, Value: strconv.Itoa(DefCurretTS)}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBMaxChunkSize, Value: strconv.Itoa(DefMaxChunkSize), Type: TypeUnsigned, MinValue: maxChunkSizeLowerBound, MaxValue: math.MaxUint64}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowBatchCop, Value: strconv.Itoa(DefTiDBAllowBatchCop)}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowBatchCop, Value: strconv.Itoa(DefTiDBAllowBatchCop), Type: TypeInt, MinValue: 0, MaxValue: 2, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + if normalizedValue == "0" && vars.AllowBCJ { + return normalizedValue, ErrWrongValueForVar.GenWithStackByArgs("Can't set batch cop 0 but tidb_opt_broadcast_join is 1, please set tidb_opt_broadcast_join 0 at first") + } + return normalizedValue, nil + }}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBInitChunkSize, Value: strconv.Itoa(DefInitChunkSize), Type: TypeUnsigned, MinValue: 1, MaxValue: initChunkSizeUpperBound}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableCascadesPlanner, Value: BoolOff, Type: TypeBool}, @@ -726,18 +1012,18 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TxnIsolationOneShot, Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableTablePartition, Value: BoolOn, Type: TypeEnum, PossibleValues: []string{BoolOff, BoolOn, "AUTO"}}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBHashJoinConcurrency, Value: strconv.Itoa(DefTiDBHashJoinConcurrency)}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBHashJoinConcurrency, Value: strconv.Itoa(DefTiDBHashJoinConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBProjectionConcurrency, Value: strconv.Itoa(DefTiDBProjectionConcurrency), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBHashAggPartialConcurrency, Value: strconv.Itoa(DefTiDBHashAggPartialConcurrency)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBHashAggFinalConcurrency, Value: strconv.Itoa(DefTiDBHashAggFinalConcurrency)}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBWindowConcurrency, Value: strconv.Itoa(DefTiDBWindowConcurrency)}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBHashAggPartialConcurrency, Value: strconv.Itoa(DefTiDBHashAggPartialConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBHashAggFinalConcurrency, Value: strconv.Itoa(DefTiDBHashAggFinalConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBWindowConcurrency, Value: strconv.Itoa(DefTiDBWindowConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableParallelApply, Value: BoolToOnOff(DefTiDBEnableParallelApply), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBBackoffLockFast, Value: strconv.Itoa(kv.DefBackoffLockFast), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBBackOffWeight, Value: strconv.Itoa(kv.DefBackOffWeight), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBRetryLimit, Value: strconv.Itoa(DefTiDBRetryLimit), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBDisableTxnAutoRetry, Value: BoolToOnOff(DefTiDBDisableTxnAutoRetry), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBConstraintCheckInPlace, Value: BoolToOnOff(DefTiDBConstraintCheckInPlace), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBTxnMode, Value: DefTiDBTxnMode}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBTxnMode, Value: DefTiDBTxnMode, AllowEmptyAll: true, Type: TypeEnum, PossibleValues: []string{"pessimistic", "optimistic"}}, {Scope: ScopeGlobal, Name: TiDBRowFormatVersion, Value: strconv.Itoa(DefTiDBRowFormatV1), Type: TypeUnsigned, MinValue: 1, MaxValue: 2}, {Scope: ScopeSession, Name: TiDBOptimizerSelectivityLevel, Value: strconv.Itoa(DefTiDBOptimizerSelectivityLevel), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableWindowFunction, Value: BoolToOnOff(DefEnableWindowFunction), Type: TypeBool}, @@ -777,9 +1063,29 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBUsePlanBaselines, Value: BoolToOnOff(DefTiDBUsePlanBaselines), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEvolvePlanBaselines, Value: BoolToOnOff(DefTiDBEvolvePlanBaselines), Type: TypeBool}, {Scope: ScopeGlobal, Name: TiDBEvolvePlanTaskMaxTime, Value: strconv.Itoa(DefTiDBEvolvePlanTaskMaxTime), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, - {Scope: ScopeGlobal, Name: TiDBEvolvePlanTaskStartTime, Value: DefTiDBEvolvePlanTaskStartTime}, - {Scope: ScopeGlobal, Name: TiDBEvolvePlanTaskEndTime, Value: DefTiDBEvolvePlanTaskEndTime}, - {Scope: ScopeSession, Name: TiDBIsolationReadEngines, Value: strings.Join(config.GetGlobalConfig().IsolationRead.Engines, ", ")}, + {Scope: ScopeGlobal, Name: TiDBEvolvePlanTaskStartTime, Value: DefTiDBEvolvePlanTaskStartTime, Type: TypeTime}, + {Scope: ScopeGlobal, Name: TiDBEvolvePlanTaskEndTime, Value: DefTiDBEvolvePlanTaskEndTime, Type: TypeTime}, + {Scope: ScopeSession, Name: TiDBIsolationReadEngines, Value: strings.Join(config.GetGlobalConfig().IsolationRead.Engines, ", "), Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + engines := strings.Split(normalizedValue, ",") + var formatVal string + for i, engine := range engines { + engine = strings.TrimSpace(engine) + if i != 0 { + formatVal += "," + } + switch { + case strings.EqualFold(engine, kv.TiKV.Name()): + formatVal += kv.TiKV.Name() + case strings.EqualFold(engine, kv.TiFlash.Name()): + formatVal += kv.TiFlash.Name() + case strings.EqualFold(engine, kv.TiDB.Name()): + formatVal += kv.TiDB.Name() + default: + return normalizedValue, ErrWrongValueForVar.GenWithStackByArgs(TiDBIsolationReadEngines, normalizedValue) + } + } + return formatVal, nil + }}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBStoreLimit, Value: strconv.FormatInt(atomic.LoadInt64(&config.GetGlobalConfig().TiKVClient.StoreLimit), 10), Type: TypeInt, MinValue: 0, MaxValue: uint64(math.MaxInt64), AutoConvertOutOfRange: true}, {Scope: ScopeSession, Name: TiDBMetricSchemaStep, Value: strconv.Itoa(DefTiDBMetricSchemaStep), Type: TypeUnsigned, MinValue: 10, MaxValue: 60 * 60 * 60}, {Scope: ScopeSession, Name: TiDBMetricSchemaRangeDuration, Value: strconv.Itoa(DefTiDBMetricSchemaRangeDuration), Type: TypeUnsigned, MinValue: 10, MaxValue: 60 * 60 * 60}, @@ -792,9 +1098,14 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TiDBEnableCollectExecutionInfo, Value: BoolToOnOff(DefTiDBEnableCollectExecutionInfo), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowAutoRandExplicitInsert, Value: BoolToOnOff(DefTiDBAllowAutoRandExplicitInsert), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableClusteredIndex, Value: BoolToOnOff(DefTiDBEnableClusteredIndex), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBPartitionPruneMode, Value: string(StaticOnly), Type: TypeStr}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBSlowLogMasking, Value: BoolToIntStr(DefTiDBRedactLog), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBRedactLog, Value: BoolToIntStr(DefTiDBRedactLog), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBPartitionPruneMode, Value: string(StaticOnly), Type: TypeStr, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + if !PartitionPruneMode(normalizedValue).Valid() { + return normalizedValue, ErrWrongTypeForVar.GenWithStackByArgs(TiDBPartitionPruneMode) + } + return normalizedValue, nil + }}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBSlowLogMasking, Value: BoolToOnOff(DefTiDBRedactLog), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBRedactLog, Value: BoolToOnOff(DefTiDBRedactLog), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBShardAllocateStep, Value: strconv.Itoa(DefTiDBShardAllocateStep), Type: TypeInt, MinValue: 1, MaxValue: uint64(math.MaxInt64), AutoConvertOutOfRange: true}, {Scope: ScopeGlobal, Name: TiDBEnableTelemetry, Value: BoolToOnOff(DefTiDBEnableTelemetry), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableAmendPessimisticTxn, Value: BoolToOnOff(DefTiDBEnableAmendPessimisticTxn), Type: TypeBool}, @@ -891,8 +1202,8 @@ const ( GroupConcatMaxLen = "group_concat_max_len" // DelayKeyWrite is the name for 'delay_key_write' system variable. DelayKeyWrite = "delay_key_write" - // EndMakersInJSON is the name for 'end_markers_in_json' system variable. - EndMakersInJSON = "end_markers_in_json" + // EndMarkersInJSON is the name for 'end_markers_in_json' system variable. + EndMarkersInJSON = "end_markers_in_json" // InnodbCommitConcurrency is the name for 'innodb_commit_concurrency' system variable. InnodbCommitConcurrency = "innodb_commit_concurrency" // InnodbFastShutdown is the name for 'innodb_fast_shutdown' system variable. @@ -1102,6 +1413,8 @@ const ( ThreadPoolSize = "thread_pool_size" // WindowingUseHighPrecision is the name of 'windowing_use_high_precision' system variable. WindowingUseHighPrecision = "windowing_use_high_precision" + // OptimizerSwitch is the name of 'optimizer_switch' system variable. + OptimizerSwitch = "optimizer_switch" ) // GlobalVarAccessor is the interface for accessing global scope system and status variables. diff --git a/sessionctx/variable/sysvar_test.go b/sessionctx/variable/sysvar_test.go index 1426266ec3f70..bdfbf0f39b563 100644 --- a/sessionctx/variable/sysvar_test.go +++ b/sessionctx/variable/sysvar_test.go @@ -70,11 +70,6 @@ func (*testSysVarSuite) TestTxnMode(c *C) { c.Assert(err, NotNil) } -func (*testSysVarSuite) TestBoolToInt32(c *C) { - c.Assert(BoolToInt32(true), Equals, int32(1)) - c.Assert(BoolToInt32(false), Equals, int32(0)) -} - func (*testSysVarSuite) TestError(c *C) { kvErrs := []*terror.Error{ ErrUnsupportedValueForVar, diff --git a/sessionctx/variable/varsutil.go b/sessionctx/variable/varsutil.go index 6840d9b5c7c89..fb78e6f0905e4 100644 --- a/sessionctx/variable/varsutil.go +++ b/sessionctx/variable/varsutil.go @@ -16,21 +16,15 @@ package variable import ( "encoding/json" "fmt" - "math" "strconv" "strings" "sync" "sync/atomic" "time" - "github.com/cznic/mathutil" - "github.com/pingcap/errors" - "github.com/pingcap/parser/ast" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/config" - "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/types" - "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/timeutil" ) @@ -152,17 +146,17 @@ func GetSessionOnlySysVars(s *SessionVars, key string) (string, bool, error) { case TiDBRecordPlanInSlowLog: return strconv.FormatUint(uint64(atomic.LoadUint32(&config.GetGlobalConfig().Log.RecordPlanInSlowLog)), 10), true, nil case TiDBEnableSlowLog: - return BoolToIntStr(config.GetGlobalConfig().Log.EnableSlowLog), true, nil + return BoolToOnOff(config.GetGlobalConfig().Log.EnableSlowLog), true, nil case TiDBQueryLogMaxLen: return strconv.FormatUint(atomic.LoadUint64(&config.GetGlobalConfig().Log.QueryLogMaxLen), 10), true, nil case TiDBCheckMb4ValueInUTF8: - return BoolToIntStr(config.GetGlobalConfig().CheckMb4ValueInUTF8), true, nil + return BoolToOnOff(config.GetGlobalConfig().CheckMb4ValueInUTF8), true, nil case TiDBCapturePlanBaseline: return CapturePlanBaseline.GetVal(), true, nil case TiDBFoundInPlanCache: - return BoolToIntStr(s.PrevFoundInPlanCache), true, nil + return BoolToOnOff(s.PrevFoundInPlanCache), true, nil case TiDBEnableCollectExecutionInfo: - return BoolToIntStr(config.GetGlobalConfig().EnableCollectExecutionInfo), true, nil + return BoolToOnOff(config.GetGlobalConfig().EnableCollectExecutionInfo), true, nil } sVal, ok := s.GetSystemVar(key) if ok { @@ -261,152 +255,6 @@ func ValidateGetSystemVar(name string, isGlobal bool) error { return nil } -func checkUInt64SystemVar(name, value string, min, max uint64, vars *SessionVars) (string, error) { - // There are two types of validation behaviors for integer values. The default - // is to return an error saying the value is out of range. For MySQL compatibility, some - // values prefer convert the value to the min/max and return a warning. - sv := GetSysVar(name) - if sv != nil && !sv.AutoConvertOutOfRange { - return checkUint64SystemVarWithError(name, value, min, max) - } - if len(value) == 0 { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - if value[0] == '-' { - _, err := strconv.ParseInt(value, 10, 64) - if err != nil { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - vars.StmtCtx.AppendWarning(ErrTruncatedWrongValue.GenWithStackByArgs(name, value)) - return fmt.Sprintf("%d", min), nil - } - val, err := strconv.ParseUint(value, 10, 64) - if err != nil { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - if val < min { - vars.StmtCtx.AppendWarning(ErrTruncatedWrongValue.GenWithStackByArgs(name, value)) - return fmt.Sprintf("%d", min), nil - } - if val > max { - vars.StmtCtx.AppendWarning(ErrTruncatedWrongValue.GenWithStackByArgs(name, value)) - return fmt.Sprintf("%d", max), nil - } - return value, nil -} - -func checkInt64SystemVar(name, value string, min, max int64, vars *SessionVars) (string, error) { - // There are two types of validation behaviors for integer values. The default - // is to return an error saying the value is out of range. For MySQL compatibility, some - // values prefer convert the value to the min/max and return a warning. - sv := GetSysVar(name) - if sv != nil && !sv.AutoConvertOutOfRange { - return checkInt64SystemVarWithError(name, value, min, max) - } - val, err := strconv.ParseInt(value, 10, 64) - if err != nil { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - if val < min { - vars.StmtCtx.AppendWarning(ErrTruncatedWrongValue.GenWithStackByArgs(name, value)) - return fmt.Sprintf("%d", min), nil - } - if val > max { - vars.StmtCtx.AppendWarning(ErrTruncatedWrongValue.GenWithStackByArgs(name, value)) - return fmt.Sprintf("%d", max), nil - } - return value, nil -} - -func checkEnumSystemVar(name, value string, vars *SessionVars) (string, error) { - sv := GetSysVar(name) - // The value could be either a string or the ordinal position in the PossibleValues. - // This allows for the behavior 0 = OFF, 1 = ON, 2 = DEMAND etc. - var iStr string - for i, v := range sv.PossibleValues { - iStr = fmt.Sprintf("%d", i) - if strings.EqualFold(value, v) || strings.EqualFold(value, iStr) { - return v, nil - } - } - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) -} - -func checkFloatSystemVar(name, value string, min, max float64, vars *SessionVars) (string, error) { - if len(value) == 0 { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - val, err := strconv.ParseFloat(value, 64) - if err != nil { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - if val < min || val > max { - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - } - return value, nil -} - -func checkBoolSystemVar(name, value string, vars *SessionVars) (string, error) { - if strings.EqualFold(value, "ON") { - return BoolOn, nil - } else if strings.EqualFold(value, "OFF") { - return BoolOff, nil - } - val, err := strconv.ParseInt(value, 10, 64) - if err == nil { - // Confusingly, there are two types of conversion rules for integer values. - // The default only allows 0 || 1, but a subset of values convert any - // negative integer to 1. - sv := GetSysVar(name) - if !sv.AutoConvertNegativeBool { - if val == 0 { - return BoolOff, nil - } else if val == 1 { - return BoolOn, nil - } - } else { - if val == 1 || val < 0 { - return BoolOn, nil - } else if val == 0 { - return BoolOff, nil - } - } - } - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) -} - -func checkUint64SystemVarWithError(name, value string, min, max uint64) (string, error) { - if len(value) == 0 { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - if value[0] == '-' { - // // in strict it expects the error WrongValue, but in non-strict it returns WrongType - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - } - val, err := strconv.ParseUint(value, 10, 64) - if err != nil { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - if val < min || val > max { - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - } - return value, nil -} - -func checkInt64SystemVarWithError(name, value string, min, max int64) (string, error) { - if len(value) == 0 { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - val, err := strconv.ParseInt(value, 10, 64) - if err != nil { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - if val < min || val > max { - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - } - return value, nil -} - const ( // initChunkSizeUpperBound indicates upper bound value of tidb_init_chunk_size. initChunkSizeUpperBound = 32 @@ -432,176 +280,17 @@ func CheckDeprecationSetSystemVar(s *SessionVars, name string) { // ValidateSetSystemVar checks if system variable satisfies specific restriction. func ValidateSetSystemVar(vars *SessionVars, name string, value string, scope ScopeFlag) (string, error) { sv := GetSysVar(name) - // Some sysvars are read-only. Attempting to set should always fail. - if sv.ReadOnly || sv.Scope == ScopeNone { - return value, ErrReadOnly.GenWithStackByArgs(name) - } - // The string "DEFAULT" is a special keyword in MySQL, which restores - // the compiled sysvar value. In which case we can skip further validation. - if strings.EqualFold(value, "DEFAULT") { - if sv != nil { - return sv.Value, nil - } + if sv == nil { return value, ErrUnknownSystemVar.GenWithStackByArgs(name) } - // Some sysvars in TiDB have a special behavior where the empty string means - // "use the config file value". This needs to be cleaned up once the behavior - // for instance variables is determined. - if value == "" && ((sv.AllowEmpty && scope == ScopeSession) || sv.AllowEmptyAll) { - return value, nil - } - // Attempt to provide validation using the SysVar struct. - // Eventually the struct should handle all validation - var err error - if sv != nil { - switch sv.Type { - case TypeUnsigned: - value, err = checkUInt64SystemVar(name, value, uint64(sv.MinValue), sv.MaxValue, vars) - case TypeInt: - value, err = checkInt64SystemVar(name, value, sv.MinValue, int64(sv.MaxValue), vars) - case TypeBool: - value, err = checkBoolSystemVar(name, value, vars) - case TypeFloat: - value, err = checkFloatSystemVar(name, value, float64(sv.MinValue), float64(sv.MaxValue), vars) - case TypeEnum: - value, err = checkEnumSystemVar(name, value, vars) - } - // If there is no error, follow through and handle legacy cases of validation that are not handled by the type. - // TODO: Move each of these validations into the SysVar as an anonymous function. - if err != nil { - return value, err - } - } - switch name { - case ForeignKeyChecks: - if TiDBOptOn(value) { - // TiDB does not yet support foreign keys. - // For now, resist the change and show a warning. - vars.StmtCtx.AppendWarning(ErrUnsupportedValueForVar.GenWithStackByArgs(name, value)) - return BoolOff, nil - } else if !TiDBOptOn(value) { - return BoolOff, nil - } - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - case GroupConcatMaxLen: - // https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_group_concat_max_len - // Minimum Value 4 - // Maximum Value (64-bit platforms) 18446744073709551615 - // Maximum Value (32-bit platforms) 4294967295 - maxLen := uint64(math.MaxUint64) - if mathutil.IntBits == 32 { - maxLen = uint64(math.MaxUint32) - } - return checkUInt64SystemVar(name, value, 4, maxLen, vars) - case TimeZone: - if strings.EqualFold(value, "SYSTEM") { - return "SYSTEM", nil - } - _, err := parseTimeZone(value) - return value, err - case SecureAuth: - if TiDBOptOn(value) { - return BoolOn, nil - } - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - case TiDBOptBCJ: - if TiDBOptOn(value) && vars.AllowBatchCop == 0 { - return value, ErrWrongValueForVar.GenWithStackByArgs("Can't set Broadcast Join to 1 but tidb_allow_batch_cop is 0, please active batch cop at first.") - } - return value, nil - case TiDBIndexLookupConcurrency, - TiDBIndexLookupJoinConcurrency, - TiDBHashJoinConcurrency, - TiDBHashAggPartialConcurrency, - TiDBHashAggFinalConcurrency, - TiDBWindowConcurrency: - v, err := strconv.Atoi(value) - if err != nil { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - if v <= 0 && v != ConcurrencyUnset { - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - } - return value, nil - case TiDBAllowBatchCop: - v, err := strconv.ParseInt(value, 10, 64) - if err != nil { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - if v == 0 && vars.AllowBCJ { - return value, ErrWrongValueForVar.GenWithStackByArgs("Can't set batch cop 0 but tidb_opt_broadcast_join is 1, please set tidb_opt_broadcast_join 0 at first") - } - if v < 0 || v > 2 { - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - } - return value, nil - case TiDBAutoAnalyzeStartTime, TiDBAutoAnalyzeEndTime, TiDBEvolvePlanTaskStartTime, TiDBEvolvePlanTaskEndTime: - v, err := setDayTime(vars, value) - if err != nil { - return "", err - } - return v, nil - case TxnIsolation, TransactionIsolation: - upVal := strings.ToUpper(value) - _, exists := TxIsolationNames[upVal] - if !exists { - return "", ErrWrongValueForVar.GenWithStackByArgs(name, value) - } - switch upVal { - case "SERIALIZABLE", "READ-UNCOMMITTED": - skipIsolationLevelCheck, err := GetSessionSystemVar(vars, TiDBSkipIsolationLevelCheck) - returnErr := ErrUnsupportedIsolationLevel.GenWithStackByArgs(value) - if err != nil { - returnErr = err - } - if !TiDBOptOn(skipIsolationLevelCheck) || err != nil { - return "", returnErr - } - //SET TRANSACTION ISOLATION LEVEL will affect two internal variables: - // 1. tx_isolation - // 2. transaction_isolation - // The following if condition is used to deduplicate two same warnings. - if name == "transaction_isolation" { - vars.StmtCtx.AppendWarning(returnErr) - } - } - return upVal, nil - case TiDBTxnMode: - switch strings.ToUpper(value) { - case ast.Pessimistic, ast.Optimistic, "": - default: - return value, ErrWrongValueForVar.GenWithStackByArgs(TiDBTxnMode, value) - } - case TiDBPartitionPruneMode: - if !PartitionPruneMode(value).Valid() { - return value, ErrWrongTypeForVar.GenWithStackByArgs(name) - } - case TiDBIsolationReadEngines: - engines := strings.Split(value, ",") - var formatVal string - for i, engine := range engines { - engine = strings.TrimSpace(engine) - if i != 0 { - formatVal += "," - } - switch { - case strings.EqualFold(engine, kv.TiKV.Name()): - formatVal += kv.TiKV.Name() - case strings.EqualFold(engine, kv.TiFlash.Name()): - formatVal += kv.TiFlash.Name() - case strings.EqualFold(engine, kv.TiDB.Name()): - formatVal += kv.TiDB.Name() - default: - return value, ErrWrongValueForVar.GenWithStackByArgs(name, value) - } - } - return formatVal, nil - case CollationConnection, CollationDatabase, CollationServer: - if _, err := collate.GetCollationByName(value); err != nil { - return value, errors.Trace(err) - } + // Normalize the value and apply validation based on type. + // i.e. TypeBool converts 1/on/ON to ON. + normalizedValue, err := sv.ValidateFromType(vars, value, scope) + if err != nil { + return normalizedValue, err } - return value, nil + // If type validation was successful, call the (optional) validation function + return sv.ValidateFromHook(vars, normalizedValue, value, scope) } // TiDBOptOn could be used for all tidb session variable options, we use "ON"/1 to turn on those options. @@ -696,26 +385,6 @@ func GoTimeToTS(t time.Time) uint64 { return uint64(ts) } -const ( - localDayTimeFormat = "15:04" - // FullDayTimeFormat is the full format of analyze start time and end time. - FullDayTimeFormat = "15:04 -0700" -) - -func setDayTime(s *SessionVars, val string) (string, error) { - var t time.Time - var err error - if len(val) <= len(localDayTimeFormat) { - t, err = time.ParseInLocation(localDayTimeFormat, val, s.TimeZone) - } else { - t, err = time.ParseInLocation(FullDayTimeFormat, val, s.TimeZone) - } - if err != nil { - return "", err - } - return t.Format(FullDayTimeFormat), nil -} - // serverGlobalVariable is used to handle variables that acts in server and global scope. type serverGlobalVariable struct { sync.Mutex diff --git a/sessionctx/variable/varsutil_test.go b/sessionctx/variable/varsutil_test.go index 89e034da0b204..14be2e8dd7306 100644 --- a/sessionctx/variable/varsutil_test.go +++ b/sessionctx/variable/varsutil_test.go @@ -296,13 +296,13 @@ func (s *testVarsutilSuite) TestVarsutil(c *C) { c.Assert(err, IsNil) val, err = GetSessionSystemVar(v, TiDBCheckMb4ValueInUTF8) c.Assert(err, IsNil) - c.Assert(val, Equals, "1") + c.Assert(val, Equals, "ON") c.Assert(config.GetGlobalConfig().CheckMb4ValueInUTF8, Equals, true) err = SetSessionSystemVar(v, TiDBCheckMb4ValueInUTF8, types.NewStringDatum("0")) c.Assert(err, IsNil) val, err = GetSessionSystemVar(v, TiDBCheckMb4ValueInUTF8) c.Assert(err, IsNil) - c.Assert(val, Equals, "0") + c.Assert(val, Equals, "OFF") c.Assert(config.GetGlobalConfig().CheckMb4ValueInUTF8, Equals, false) SetSessionSystemVar(v, TiDBLowResolutionTSO, types.NewStringDatum("1")) @@ -464,7 +464,7 @@ func (s *testVarsutilSuite) TestVarsutil(c *C) { c.Assert(err, IsNil) val, err = GetSessionSystemVar(v, TiDBFoundInPlanCache) c.Assert(err, IsNil) - c.Assert(val, Equals, "0") + c.Assert(val, Equals, "OFF") c.Assert(v.systems[TiDBFoundInPlanCache], Equals, "ON") err = SetSessionSystemVar(v, TiDBEnableChangeColumnType, types.NewStringDatum("ON")) diff --git a/tidb-server/main.go b/tidb-server/main.go index 786df8d61534f..585e84c7623c4 100644 --- a/tidb-server/main.go +++ b/tidb-server/main.go @@ -556,11 +556,11 @@ func setGlobalVars() { variable.ForcePriority = int32(priority) variable.SetSysVar(variable.TiDBForcePriority, mysql.Priority2Str[priority]) - variable.SetSysVar(variable.TiDBOptDistinctAggPushDown, variable.BoolToIntStr(cfg.Performance.DistinctAggPushDown)) + variable.SetSysVar(variable.TiDBOptDistinctAggPushDown, variable.BoolToOnOff(cfg.Performance.DistinctAggPushDown)) variable.SetSysVar(variable.TIDBMemQuotaQuery, strconv.FormatInt(cfg.MemQuotaQuery, 10)) variable.SetSysVar(variable.TIDBMemQuotaStatistics, strconv.FormatInt(cfg.MemQuotaStatistics, 10)) variable.SetSysVar("lower_case_table_names", strconv.Itoa(cfg.LowerCaseTableNames)) - variable.SetSysVar(variable.LogBin, variable.BoolToIntStr(config.GetGlobalConfig().Binlog.Enable)) + variable.SetSysVar(variable.LogBin, variable.BoolToOnOff(config.GetGlobalConfig().Binlog.Enable)) variable.SetSysVar(variable.Port, fmt.Sprintf("%d", cfg.Port)) variable.SetSysVar(variable.Socket, cfg.Socket) variable.SetSysVar(variable.DataDir, cfg.Path) From 160cb9b814149329dd87c7f5ecd68acceaa28a4e Mon Sep 17 00:00:00 2001 From: Jack Yu Date: Thu, 12 Nov 2020 13:54:23 +0800 Subject: [PATCH 0198/1021] *: fix set tidb_general_log not work (#20993) Signed-off-by: Shuaipeng Yu --- executor/set_test.go | 17 +++++++++++++++++ server/http_handler.go | 4 ++-- server/http_handler_test.go | 4 ++-- session/session.go | 2 +- sessionctx/variable/session.go | 2 +- sessionctx/variable/sysvar.go | 2 +- sessionctx/variable/tidb_vars.go | 4 ++-- sessionctx/variable/varsutil.go | 2 +- 8 files changed, 27 insertions(+), 10 deletions(-) diff --git a/executor/set_test.go b/executor/set_test.go index a0116badd2722..acd45dfeb5614 100644 --- a/executor/set_test.go +++ b/executor/set_test.go @@ -448,6 +448,23 @@ func (s *testSuite5) TestSetVar(c *C) { _, err = tk.Exec("set tidb_enable_parallel_apply=-1") c.Assert(terror.ErrorEqual(err, variable.ErrWrongValueForVar), IsTrue) + + tk.MustQuery(`select @@session.tidb_general_log;`).Check(testkit.Rows("0")) + tk.MustQuery(`show variables like 'tidb_general_log';`).Check(testkit.Rows("tidb_general_log OFF")) + tk.MustExec("set tidb_general_log = 1") + tk.MustQuery(`select @@session.tidb_general_log;`).Check(testkit.Rows("1")) + tk.MustQuery(`show variables like 'tidb_general_log';`).Check(testkit.Rows("tidb_general_log ON")) + tk.MustExec("set tidb_general_log = 0") + tk.MustQuery(`select @@session.tidb_general_log;`).Check(testkit.Rows("0")) + tk.MustQuery(`show variables like 'tidb_general_log';`).Check(testkit.Rows("tidb_general_log OFF")) + tk.MustExec("set tidb_general_log = on") + tk.MustQuery(`select @@session.tidb_general_log;`).Check(testkit.Rows("1")) + tk.MustQuery(`show variables like 'tidb_general_log';`).Check(testkit.Rows("tidb_general_log ON")) + tk.MustExec("set tidb_general_log = off") + tk.MustQuery(`select @@session.tidb_general_log;`).Check(testkit.Rows("0")) + tk.MustQuery(`show variables like 'tidb_general_log';`).Check(testkit.Rows("tidb_general_log OFF")) + c.Assert(tk.ExecToErr("set tidb_general_log = abc"), NotNil) + c.Assert(tk.ExecToErr("set tidb_general_log = 123"), NotNil) } func (s *testSuite5) TestTruncateIncorrectIntSessionVar(c *C) { diff --git a/server/http_handler.go b/server/http_handler.go index 9498527cd848b..3e2bd047561a7 100644 --- a/server/http_handler.go +++ b/server/http_handler.go @@ -685,9 +685,9 @@ func (h settingsHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) { if generalLog := req.Form.Get("tidb_general_log"); generalLog != "" { switch generalLog { case "0": - atomic.StoreUint32(&variable.ProcessGeneralLog, 0) + variable.ProcessGeneralLog.Store(false) case "1": - atomic.StoreUint32(&variable.ProcessGeneralLog, 1) + variable.ProcessGeneralLog.Store(true) default: writeError(w, errors.New("illegal argument")) return diff --git a/server/http_handler_test.go b/server/http_handler_test.go index 00808b724cc2f..fd1c3a95a7fac 100644 --- a/server/http_handler_test.go +++ b/server/http_handler_test.go @@ -1097,14 +1097,14 @@ func (ts *HTTPHandlerTestSuite) TestPostSettings(c *C) { c.Assert(log.GetLevel(), Equals, log.ErrorLevel) c.Assert(zaplog.GetLevel(), Equals, zap.ErrorLevel) c.Assert(config.GetGlobalConfig().Log.Level, Equals, "error") - c.Assert(atomic.LoadUint32(&variable.ProcessGeneralLog), Equals, uint32(1)) + c.Assert(variable.ProcessGeneralLog.Load(), IsTrue) form = make(url.Values) form.Set("log_level", "fatal") form.Set("tidb_general_log", "0") resp, err = ts.formStatus("/settings", form) c.Assert(err, IsNil) c.Assert(resp.StatusCode, Equals, http.StatusOK) - c.Assert(atomic.LoadUint32(&variable.ProcessGeneralLog), Equals, uint32(0)) + c.Assert(variable.ProcessGeneralLog.Load(), IsFalse) c.Assert(log.GetLevel(), Equals, log.FatalLevel) c.Assert(zaplog.GetLevel(), Equals, zap.FatalLevel) c.Assert(config.GetGlobalConfig().Log.Level, Equals, "fatal") diff --git a/session/session.go b/session/session.go index 7a45e5a8173ce..3c3e5aeb28136 100644 --- a/session/session.go +++ b/session/session.go @@ -2394,7 +2394,7 @@ func logStmt(execStmt *executor.ExecStmt, vars *variable.SessionVars) { } func logQuery(query string, vars *variable.SessionVars) { - if atomic.LoadUint32(&variable.ProcessGeneralLog) != 0 && !vars.InRestrictedSQL { + if variable.ProcessGeneralLog.Load() && !vars.InRestrictedSQL { query = executor.QueryReplacer.Replace(query) if !vars.EnableRedactLog { query = query + vars.PreparedParams.String() diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index de4842da479cf..0a28071b45d49 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -1374,7 +1374,7 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { case TIDBMemQuotaNestedLoopApply: s.MemQuotaNestedLoopApply = tidbOptInt64(val, DefTiDBMemQuotaNestedLoopApply) case TiDBGeneralLog: - atomic.StoreUint32(&ProcessGeneralLog, uint32(tidbOptPositiveInt32(val, DefTiDBGeneralLog))) + ProcessGeneralLog.Store(TiDBOptOn(val)) case TiDBPProfSQLCPU: EnablePProfSQLCPU.Store(uint32(tidbOptPositiveInt32(val, DefTiDBPProfSQLCPU)) > 0) case TiDBDDLSlowOprThreshold: diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 4950ffc413395..efca5c483145a 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1031,7 +1031,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableFastAnalyze, Value: BoolToOnOff(DefTiDBUseFastAnalyze), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBSkipIsolationLevelCheck, Value: BoolToOnOff(DefTiDBSkipIsolationLevelCheck), Type: TypeBool}, /* The following variable is defined as session scope but is actually server scope. */ - {Scope: ScopeSession, Name: TiDBGeneralLog, Value: int32ToBoolStr(DefTiDBGeneralLog), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBGeneralLog, Value: BoolToOnOff(DefTiDBGeneralLog), Type: TypeBool}, {Scope: ScopeSession, Name: TiDBPProfSQLCPU, Value: strconv.Itoa(DefTiDBPProfSQLCPU), Type: TypeInt, MinValue: 0, MaxValue: 1}, {Scope: ScopeSession, Name: TiDBDDLSlowOprThreshold, Value: strconv.Itoa(DefTiDBDDLSlowOprThreshold)}, {Scope: ScopeSession, Name: TiDBConfig, Value: ""}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index f63aa9c6ed458..4bb06d0d2b687 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -510,7 +510,7 @@ const ( DefTiDBMemQuotaIndexLookupJoin = 32 << 30 // 32GB. DefTiDBMemQuotaNestedLoopApply = 32 << 30 // 32GB. DefTiDBMemQuotaDistSQL = 32 << 30 // 32GB. - DefTiDBGeneralLog = 0 + DefTiDBGeneralLog = false DefTiDBPProfSQLCPU = 0 DefTiDBRetryLimit = 10 DefTiDBDisableTxnAutoRetry = true @@ -568,7 +568,7 @@ const ( // Process global variables. var ( - ProcessGeneralLog uint32 + ProcessGeneralLog = atomic.NewBool(false) EnablePProfSQLCPU = atomic.NewBool(false) ddlReorgWorkerCounter int32 = DefTiDBDDLReorgWorkerCount maxDDLReorgWorkerCount int32 = 128 diff --git a/sessionctx/variable/varsutil.go b/sessionctx/variable/varsutil.go index fb78e6f0905e4..f049d01577670 100644 --- a/sessionctx/variable/varsutil.go +++ b/sessionctx/variable/varsutil.go @@ -117,7 +117,7 @@ func GetSessionOnlySysVars(s *SessionVars, key string) (string, bool, error) { } return string(info), true, nil case TiDBGeneralLog: - return fmt.Sprintf("%d", atomic.LoadUint32(&ProcessGeneralLog)), true, nil + return BoolToOnOff(ProcessGeneralLog.Load()), true, nil case TiDBPProfSQLCPU: val := "0" if EnablePProfSQLCPU.Load() { From 208d271e2e5ec3482538da1bb959226c061cebce Mon Sep 17 00:00:00 2001 From: Song Gao Date: Thu, 12 Nov 2020 14:11:51 +0800 Subject: [PATCH 0199/1021] ddl, placement: Provide API to obtain the DC information of partitions (#20931) --- ddl/placement/utils.go | 20 +++++ ddl/placement/utils_test.go | 157 ++++++++++++++++++++++++++++++++++++ 2 files changed, 177 insertions(+) diff --git a/ddl/placement/utils.go b/ddl/placement/utils.go index 037a0c6e22be8..451044641bb15 100644 --- a/ddl/placement/utils.go +++ b/ddl/placement/utils.go @@ -131,3 +131,23 @@ func BuildPlacementCopyBundle(oldBundle *Bundle, newID int64) *Bundle { } return newBundle } + +// GetLeaderDCByBundle returns the leader's DC by Bundle if found +func GetLeaderDCByBundle(bundle *Bundle, dcLabelKey string) (string, bool) { + for _, rule := range bundle.Rules { + if isValidLeaderRule(rule, dcLabelKey) { + return rule.LabelConstraints[0].Values[0], true + } + } + return "", false +} + +func isValidLeaderRule(rule *Rule, dcLabelKey string) bool { + if rule.Role == Leader && rule.Count == 1 && len(rule.LabelConstraints) == 1 { + cons := rule.LabelConstraints[0] + if cons.Op == In && cons.Key == dcLabelKey && len(cons.Values) == 1 { + return true + } + } + return false +} diff --git a/ddl/placement/utils_test.go b/ddl/placement/utils_test.go index 42ecab14482a5..d0dc039955536 100644 --- a/ddl/placement/utils_test.go +++ b/ddl/placement/utils_test.go @@ -119,3 +119,160 @@ func (t *testUtilsSuite) TestObjectIDFromGroupID(c *C) { } } } + +func (t *testUtilsSuite) TestGetLeaderDCByBundle(c *C) { + testcases := []struct { + name string + bundle *Bundle + expectedDC string + }{ + { + name: "only leader", + bundle: &Bundle{ + ID: GroupID(1), + Rules: []*Rule{ + { + ID: "12", + Role: Leader, + LabelConstraints: []LabelConstraint{ + { + Key: "zone", + Op: In, + Values: []string{"bj"}, + }, + }, + Count: 1, + }, + }, + }, + expectedDC: "bj", + }, + { + name: "no leader", + bundle: &Bundle{ + ID: GroupID(1), + Rules: []*Rule{ + { + ID: "12", + Role: Voter, + LabelConstraints: []LabelConstraint{ + { + Key: "zone", + Op: In, + Values: []string{"bj"}, + }, + }, + Count: 3, + }, + }, + }, + expectedDC: "", + }, + { + name: "voter and leader", + bundle: &Bundle{ + ID: GroupID(1), + Rules: []*Rule{ + { + ID: "11", + Role: Leader, + LabelConstraints: []LabelConstraint{ + { + Key: "zone", + Op: In, + Values: []string{"sh"}, + }, + }, + Count: 1, + }, + { + ID: "12", + Role: Voter, + LabelConstraints: []LabelConstraint{ + { + Key: "zone", + Op: In, + Values: []string{"bj"}, + }, + }, + Count: 3, + }, + }, + }, + expectedDC: "sh", + }, + { + name: "wrong label key", + bundle: &Bundle{ + ID: GroupID(1), + Rules: []*Rule{ + { + ID: "11", + Role: Leader, + LabelConstraints: []LabelConstraint{ + { + Key: "fake", + Op: In, + Values: []string{"sh"}, + }, + }, + Count: 1, + }, + }, + }, + expectedDC: "", + }, + { + name: "wrong operator", + bundle: &Bundle{ + ID: GroupID(1), + Rules: []*Rule{ + { + ID: "11", + Role: Leader, + LabelConstraints: []LabelConstraint{ + { + Key: "zone", + Op: NotIn, + Values: []string{"sh"}, + }, + }, + Count: 1, + }, + }, + }, + expectedDC: "", + }, + { + name: "leader have multi values", + bundle: &Bundle{ + ID: GroupID(1), + Rules: []*Rule{ + { + ID: "11", + Role: Leader, + LabelConstraints: []LabelConstraint{ + { + Key: "zone", + Op: In, + Values: []string{"sh", "bj"}, + }, + }, + Count: 1, + }, + }, + }, + expectedDC: "", + }, + } + for _, testcase := range testcases { + c.Log(testcase.name) + result, ok := GetLeaderDCByBundle(testcase.bundle, "zone") + if len(testcase.expectedDC) > 0 { + c.Assert(ok, Equals, true) + } else { + c.Assert(ok, Equals, false) + } + c.Assert(result, Equals, testcase.expectedDC) + } +} From 15abd8ba55cbed7440459561ff754a8be156eda9 Mon Sep 17 00:00:00 2001 From: Yiding Cui Date: Thu, 12 Nov 2020 14:29:23 +0800 Subject: [PATCH 0200/1021] executor: stablize `TestDropStatsFromKV` (#21004) --- executor/simple_test.go | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-) diff --git a/executor/simple_test.go b/executor/simple_test.go index 6f14a3e32b2c3..3a3468e1a4e52 100644 --- a/executor/simple_test.go +++ b/executor/simple_test.go @@ -625,17 +625,10 @@ func (s *testSuite3) TestDropStatsFromKV(c *C) { testkit.Rows("0 16")) tk.MustQuery("select hist_id from mysql.stats_histograms where table_id = " + tblID).Check( testkit.Rows("1", "2")) - tk.MustQuery("select hist_id, bucket_id from mysql.stats_buckets where table_id = " + tblID).Check( - testkit.Rows("1 0", - "1 1", - "1 2", - "1 3", - "2 0", - "2 1", - "2 2", - "2 3")) - tk.MustQuery("select hist_id from mysql.stats_top_n where table_id = " + tblID).Check( - testkit.Rows("1", "1", "1", "1", "2", "2", "2", "2")) + ret := tk.MustQuery("select hist_id, bucket_id from mysql.stats_buckets where table_id = " + tblID) + c.Assert(len(ret.Rows()) > 0, IsTrue) + ret = tk.MustQuery("select hist_id from mysql.stats_top_n where table_id = " + tblID) + c.Assert(len(ret.Rows()) > 0, IsTrue) tk.MustExec("drop stats t") tk.MustQuery("select modify_count, count from mysql.stats_meta where table_id = " + tblID).Check( From 9af236c1b7f8f8050e9c163a78b83ec4564b9e2e Mon Sep 17 00:00:00 2001 From: Yilin Chen Date: Thu, 12 Nov 2020 14:43:23 +0800 Subject: [PATCH 0201/1021] tikv: support external consistency when async commit is on (#20276) Signed-off-by: Yilin Chen --- config/config.go | 6 +++++- config/config.toml.example | 4 ++++ config/config_test.go | 2 ++ store/tikv/1pc_test.go | 28 ++++++++++++++++++++++++++++ store/tikv/2pc.go | 24 +++++++++++++++++++----- store/tikv/async_commit_test.go | 28 ++++++++++++++++++++++++++++ store/tikv/prewrite.go | 6 +++--- 7 files changed, 89 insertions(+), 9 deletions(-) diff --git a/config/config.go b/config/config.go index acb165b1cc87f..cf351e25ccff5 100644 --- a/config/config.go +++ b/config/config.go @@ -533,6 +533,9 @@ type TiKVClient struct { CoprCache CoprocessorCache `toml:"copr-cache" json:"copr-cache"` // TTLRefreshedTxnSize controls whether a transaction should update its TTL or not. TTLRefreshedTxnSize int64 `toml:"ttl-refreshed-txn-size" json:"ttl-refreshed-txn-size"` + // Ensure external consistency when async commit or 1PC is enabled. When this option is enabled, + // TiDB needs to get a timestamp from PD before committing a transaction and thus latency is increased. + ExternalConsistency bool `toml:"external-consistency" json:"external-consistency"` } // AsyncCommit is the config for the async commit feature. @@ -733,7 +736,8 @@ var defaultConf = Config{ SafeWindow: 2 * time.Second, AllowedClockDrift: 500 * time.Millisecond, }, - EnableOnePC: false, + EnableOnePC: false, + ExternalConsistency: false, MaxBatchSize: 128, OverloadThreshold: 200, diff --git a/config/config.toml.example b/config/config.toml.example index 50d67d43515ff..fb6f8a5eb8b45 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -394,6 +394,10 @@ commit-timeout = "41s" # Allow TiDB try to use 1PC protocol to commit transactions that involves only one region. enable-one-pc = false +# Ensure external consistency when async commit or 1PC is enabled. When this option is enabled, +# TiDB needs to get a timestamp from PD before committing a transaction and thus latency is increased. +external-consistency = false + # Max batch size in gRPC. max-batch-size = 128 # Overload threshold of TiKV. diff --git a/config/config_test.go b/config/config_test.go index af6157f0e434c..c81a38305037f 100644 --- a/config/config_test.go +++ b/config/config_test.go @@ -204,6 +204,7 @@ region-cache-ttl=6000 store-limit=0 ttl-refreshed-txn-size=8192 enable-one-pc=true +external-consistency=true [tikv-client.async-commit] enable=true keys-limit=123 @@ -249,6 +250,7 @@ spilled-file-encryption-method = "plaintext" c.Assert(conf.TiKVClient.RegionCacheTTL, Equals, uint(6000)) c.Assert(conf.TiKVClient.StoreLimit, Equals, int64(0)) c.Assert(conf.TiKVClient.TTLRefreshedTxnSize, Equals, int64(8192)) + c.Assert(conf.TiKVClient.ExternalConsistency, Equals, true) c.Assert(conf.TokenLimit, Equals, uint(1000)) c.Assert(conf.EnableTableLock, IsTrue) c.Assert(conf.DelayCleanTableLock, Equals, uint64(5)) diff --git a/store/tikv/1pc_test.go b/store/tikv/1pc_test.go index f432cdc646be3..abbd330a3e90f 100644 --- a/store/tikv/1pc_test.go +++ b/store/tikv/1pc_test.go @@ -236,3 +236,31 @@ func (s *testOnePCSuite) Test1PCDisallowMultiRegion(c *C) { c.Assert(v, BytesEquals, []byte(values[i])) } } + +// It's just a simple validation of external consistency. +// Extra tests are needed to test this feature with the control of the TiKV cluster. +func (s *testOnePCSuite) Test1PCExternalConsistency(c *C) { + defer config.RestoreFunc()() + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.EnableOnePC = true + conf.TiKVClient.ExternalConsistency = true + }) + + t1, err := s.store.Begin() + c.Assert(err, IsNil) + t2, err := s.store.Begin() + c.Assert(err, IsNil) + err = t1.Set([]byte("a"), []byte("a1")) + c.Assert(err, IsNil) + err = t2.Set([]byte("b"), []byte("b1")) + c.Assert(err, IsNil) + ctx := context.WithValue(context.Background(), sessionctx.ConnID, uint64(1)) + // t2 commits earlier than t1 + err = t2.Commit(ctx) + c.Assert(err, IsNil) + err = t1.Commit(ctx) + c.Assert(err, IsNil) + commitTS1 := t1.(*tikvTxn).committer.commitTS + commitTS2 := t2.(*tikvTxn).committer.commitTS + c.Assert(commitTS2, Less, commitTS1) +} diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index d5d7bb58f28c3..4a532e2723c4f 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -982,7 +982,7 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { committed := c.mu.committed undetermined := c.mu.undeterminedErr != nil c.mu.RUnlock() - if !committed && !undetermined { + if c.prewriteStarted && !committed && !undetermined { c.cleanup(ctx) } c.txn.commitTS = c.commitTS @@ -998,19 +998,33 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { } }() + commitTSMayBeCalculated := false // Check async commit is available or not. - needCalcMaxCommitTS := false if c.checkAsyncCommit() { - needCalcMaxCommitTS = true + commitTSMayBeCalculated = true c.setAsyncCommit(true) } // Check if 1PC is enabled. if c.checkOnePC() { - needCalcMaxCommitTS = true + commitTSMayBeCalculated = true c.setOnePC(true) } + // If we want to use async commit or 1PC and also want external consistency across + // all nodes, we have to make sure the commit TS of this transaction is greater + // than the snapshot TS of all existent readers. So we get a new timestamp + // from PD as our MinCommitTS. + if commitTSMayBeCalculated && config.GetGlobalConfig().TiKVClient.ExternalConsistency { + minCommitTS, err := c.store.oracle.GetTimestamp(ctx) + // If we fail to get a timestamp from PD, we just propagate the failure + // instead of falling back to the normal 2PC because a normal 2PC will + // also be likely to fail due to the same timestamp issue. + if err != nil { + return errors.Trace(err) + } + c.minCommitTS = minCommitTS + } // Calculate maxCommitTS if necessary - if needCalcMaxCommitTS { + if commitTSMayBeCalculated { if err = c.calculateMaxCommitTS(ctx); err != nil { return errors.Trace(err) } diff --git a/store/tikv/async_commit_test.go b/store/tikv/async_commit_test.go index 44d5bbfc171a2..d33dc686b13e8 100644 --- a/store/tikv/async_commit_test.go +++ b/store/tikv/async_commit_test.go @@ -367,6 +367,34 @@ func (s *testAsyncCommitSuite) TestRepeatableRead(c *C) { test(true) } +// It's just a simple validation of external consistency. +// Extra tests are needed to test this feature with the control of the TiKV cluster. +func (s *testAsyncCommitSuite) TestAsyncCommitExternalConsistency(c *C) { + defer config.RestoreFunc()() + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.AsyncCommit.Enable = true + conf.TiKVClient.ExternalConsistency = true + }) + + t1, err := s.store.Begin() + c.Assert(err, IsNil) + t2, err := s.store.Begin() + c.Assert(err, IsNil) + err = t1.Set([]byte("a"), []byte("a1")) + c.Assert(err, IsNil) + err = t2.Set([]byte("b"), []byte("b1")) + c.Assert(err, IsNil) + ctx := context.WithValue(context.Background(), sessionctx.ConnID, uint64(1)) + // t2 commits earlier than t1 + err = t2.Commit(ctx) + c.Assert(err, IsNil) + err = t1.Commit(ctx) + c.Assert(err, IsNil) + commitTS1 := t1.(*tikvTxn).committer.commitTS + commitTS2 := t2.(*tikvTxn).committer.commitTS + c.Assert(commitTS2, Less, commitTS1) +} + type mockResolveClient struct { inner Client onResolveLock func(*kvrpcpb.ResolveLockRequest) (*tikvrpc.Response, error) diff --git a/store/tikv/prewrite.go b/store/tikv/prewrite.go index ef68f5f7bddbd..df3a22bbad6b5 100644 --- a/store/tikv/prewrite.go +++ b/store/tikv/prewrite.go @@ -56,10 +56,10 @@ func (c *twoPhaseCommitter) buildPrewriteRequest(batch batchMutations, txnSize u } isPessimisticLock[i] = m.IsPessimisticLock(i) } - var minCommitTS uint64 - if c.forUpdateTS > 0 { + var minCommitTS = c.minCommitTS + if c.forUpdateTS > 0 && c.forUpdateTS >= minCommitTS { minCommitTS = c.forUpdateTS + 1 - } else { + } else if c.startTS >= minCommitTS { minCommitTS = c.startTS + 1 } From ef57bdbbb04f60a8be744060a99207e08a37514a Mon Sep 17 00:00:00 2001 From: wjHuang Date: Thu, 12 Nov 2020 15:18:15 +0800 Subject: [PATCH 0202/1021] *: fix somes bugs related to the clustered index and the new collation (#20934) --- executor/mem_reader.go | 2 +- expression/integration_test.go | 31 +++++++++++++++++++++++++++++++ table/tables/tables.go | 10 +++------- tablecodec/tablecodec.go | 3 +++ types/field_type.go | 9 +++++++++ util/rowcodec/decoder.go | 6 ++++++ 6 files changed, 53 insertions(+), 8 deletions(-) diff --git a/executor/mem_reader.go b/executor/mem_reader.go index 56c2ccb309f14..23256e0ad5991 100644 --- a/executor/mem_reader.go +++ b/executor/mem_reader.go @@ -279,7 +279,7 @@ func (m *memTableReader) getRowData(handle kv.Handle, value []byte) ([][]byte, e offset := colIDs[id] if m.table.IsCommonHandle { for i, colID := range m.pkColIDs { - if colID == col.ID { + if colID == col.ID && !types.CommonHandleNeedRestoredData(&col.FieldType) { values[offset] = handle.EncodedCol(i) break } diff --git a/expression/integration_test.go b/expression/integration_test.go index fc1cf951fec03..5ce80eb7c9af1 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7650,6 +7650,37 @@ func (s *testIntegrationSuite) TestIssue20180(c *C) { tk.MustQuery("select * from t where a > 1 and a = \"b\";").Check(testkit.Rows("b")) } +func (s *testIntegrationSerialSuite) TestClusteredIndexAndNewCollation(c *C) { + collate.SetNewCollationEnabledForTest(true) + defer collate.SetNewCollationEnabledForTest(false) + + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("set @@tidb_enable_clustered_index = 1;") + tk.MustExec("CREATE TABLE `t` (" + + "`a` char(10) COLLATE utf8mb4_unicode_ci NOT NULL," + + "`b` char(20) COLLATE utf8mb4_general_ci NOT NULL," + + "`c` int(11) NOT NULL," + + "PRIMARY KEY (`a`,`b`,`c`)," + + "KEY `idx` (`a`))") + + tk.MustExec("begin") + tk.MustExec("insert into t values ('a6', 'b6', 3)") + tk.MustQuery("select * from t").Check(testkit.Rows("a6 b6 3")) + tk.MustQuery("select * from t where a='a6'").Check(testkit.Rows("a6 b6 3")) + tk.MustExec("delete from t") + tk.MustQuery("select * from t").Check(testkit.Rows()) + tk.MustExec("commit") + tk.MustQuery("select * from t").Check(testkit.Rows()) + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(`a` char(10) COLLATE utf8mb4_unicode_ci NOT NULL key)") + tk.MustExec("insert into t values ('&');") + tk.MustExec("replace into t values ('&');") + tk.MustQuery("select * from t").Check(testkit.Rows("&")) +} + func (s *testIntegrationSerialSuite) TestIssue20608(c *C) { collate.SetNewCollationEnabledForTest(true) defer collate.SetNewCollationEnabledForTest(false) diff --git a/table/tables/tables.go b/table/tables/tables.go index 18735e260cfa4..234c965ca77de 100644 --- a/table/tables/tables.go +++ b/table/tables/tables.go @@ -40,7 +40,6 @@ import ( "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/codec" - "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/generatedexpr" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/stringutil" @@ -878,7 +877,7 @@ func DecodeRawRowData(ctx sessionctx.Context, meta *model.TableInfo, h kv.Handle } continue } - if col.IsCommonHandleColumn(meta) { + if col.IsCommonHandleColumn(meta) && !types.CommonHandleNeedRestoredData(&col.FieldType) { pkIdx := FindPrimaryIndex(meta) var idxOfIdx int for i, idxCol := range pkIdx.Columns { @@ -910,7 +909,7 @@ func DecodeRawRowData(ctx sessionctx.Context, meta *model.TableInfo, h kv.Handle if col == nil { continue } - if col.IsPKHandleColumn(meta) || col.IsCommonHandleColumn(meta) { + if col.IsPKHandleColumn(meta) || (col.IsCommonHandleColumn(meta) && !types.CommonHandleNeedRestoredData(&col.FieldType)) { continue } ri, ok := rowMap[col.ID] @@ -1409,10 +1408,7 @@ func CanSkip(info *model.TableInfo, col *table.Column, value *types.Datum) bool continue } canSkip := idxCol.Length == types.UnspecifiedLength - isNewCollation := collate.NewCollationEnabled() && - col.EvalType() == types.ETString && - !mysql.HasBinaryFlag(col.Flag) - canSkip = canSkip && !isNewCollation + canSkip = canSkip && !types.CommonHandleNeedRestoredData(&col.FieldType) return canSkip } } diff --git a/tablecodec/tablecodec.go b/tablecodec/tablecodec.go index 3f757a43cff98..957243cda5f42 100644 --- a/tablecodec/tablecodec.go +++ b/tablecodec/tablecodec.go @@ -474,6 +474,9 @@ func DecodeHandleToDatumMap(handle kv.Handle, handleColIDs []int64, if id != hid { continue } + if types.CommonHandleNeedRestoredData(ft) { + continue + } d, err := decodeHandleToDatum(handle, ft, idx) if err != nil { return row, err diff --git a/types/field_type.go b/types/field_type.go index a097a59130747..af7d6db4dcbc0 100644 --- a/types/field_type.go +++ b/types/field_type.go @@ -20,6 +20,7 @@ import ( "github.com/pingcap/parser/mysql" ast "github.com/pingcap/parser/types" "github.com/pingcap/tidb/types/json" + "github.com/pingcap/tidb/util/collate" utilMath "github.com/pingcap/tidb/util/math" ) @@ -1266,3 +1267,11 @@ func SetBinChsClnFlag(ft *FieldType) { // VarStorageLen indicates this column is a variable length column. const VarStorageLen = ast.VarStorageLen + +// CommonHandleNeedRestoredData indicates whether the column can be decoded directly from the common handle. +// If can, then returns false. Otherwise returns true. +func CommonHandleNeedRestoredData(ft *FieldType) bool { + return collate.NewCollationEnabled() && + ft.EvalType() == ETString && + !mysql.HasBinaryFlag(ft.Flag) +} diff --git a/util/rowcodec/decoder.go b/util/rowcodec/decoder.go index 1e74e4dbc3d7f..b9476eb794985 100644 --- a/util/rowcodec/decoder.go +++ b/util/rowcodec/decoder.go @@ -254,6 +254,9 @@ func (decoder *ChunkDecoder) tryAppendHandleColumn(colIdx int, col *ColInfo, han } for i, id := range decoder.handleColIDs { if col.ID == id { + if types.CommonHandleNeedRestoredData(col.Ft) { + return false + } coder := codec.NewDecoder(chk, decoder.loc) _, err := coder.DecodeOne(handle.EncodedCol(i), colIdx, col.Ft) if err != nil { @@ -419,6 +422,9 @@ func (decoder *BytesDecoder) tryDecodeHandle(values [][]byte, offset int, col *C if handle == nil { return false } + if types.CommonHandleNeedRestoredData(col.Ft) { + return false + } if col.IsPKHandle || col.ID == model.ExtraHandleID { handleData := cacheBytes if mysql.HasUnsignedFlag(col.Ft.Flag) { From 3ef3e54b5ec780426f8424ef641d17c165ceb544 Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Thu, 12 Nov 2020 17:16:31 +0800 Subject: [PATCH 0203/1021] planner: don't push down null sensitive join conditions (#19620) --- cmd/explaintest/r/explain_easy.result | 24 ++++----- cmd/explaintest/r/explain_easy_stats.result | 15 +++--- executor/executor_test.go | 26 +++++++++ executor/join_test.go | 59 +++++++++++++++++++++ expression/aggregation/base_func_test.go | 11 ---- expression/aggregation/descriptor.go | 41 ++++++++++++++ expression/expression.go | 10 ++++ planner/core/expression_rewriter.go | 51 ++++++++++++++---- planner/core/logical_plan_builder.go | 28 +++++++--- 9 files changed, 217 insertions(+), 48 deletions(-) diff --git a/cmd/explaintest/r/explain_easy.result b/cmd/explaintest/r/explain_easy.result index a1238a8f4b9b0..c0a846b044f5d 100644 --- a/cmd/explaintest/r/explain_easy.result +++ b/cmd/explaintest/r/explain_easy.result @@ -231,20 +231,18 @@ StreamAgg_12 1.00 root funcs:sum(Column#10)->Column#8 └─TableFullScan_14 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo explain select 1 in (select c2 from t2) from t1; id estRows task access object operator info -HashJoin_7 10000.00 root CARTESIAN left outer semi join -├─TableReader_14(Build) 10.00 root data:Selection_13 -│ └─Selection_13 10.00 cop[tikv] eq(1, test.t2.c2) -│ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +HashJoin_7 10000.00 root CARTESIAN left outer semi join, other cond:eq(1, test.t2.c2) +├─TableReader_13(Build) 10000.00 root data:TableFullScan_12 +│ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo └─TableReader_9(Probe) 10000.00 root data:TableFullScan_8 └─TableFullScan_8 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo explain select sum(6 in (select c2 from t2)) from t1; id estRows task access object operator info StreamAgg_12 1.00 root funcs:sum(Column#10)->Column#8 -└─Projection_22 10000.00 root cast(Column#7, decimal(65,0) BINARY)->Column#10 - └─HashJoin_21 10000.00 root CARTESIAN left outer semi join - ├─TableReader_20(Build) 10.00 root data:Selection_19 - │ └─Selection_19 10.00 cop[tikv] eq(6, test.t2.c2) - │ └─TableFullScan_18 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo +└─Projection_21 10000.00 root cast(Column#7, decimal(65,0) BINARY)->Column#10 + └─HashJoin_20 10000.00 root CARTESIAN left outer semi join, other cond:eq(6, test.t2.c2) + ├─TableReader_19(Build) 10000.00 root data:TableFullScan_18 + │ └─TableFullScan_18 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo └─TableReader_15(Probe) 10000.00 root data:TableFullScan_14 └─TableFullScan_14 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo explain format="dot" select sum(t1.c1 in (select c1 from t2)) from t1; @@ -285,7 +283,7 @@ node [style=filled, color=lightgrey] color=black label = "root" "HashJoin_7" -> "TableReader_9" -"HashJoin_7" -> "TableReader_14" +"HashJoin_7" -> "TableReader_13" } subgraph cluster8{ node [style=filled, color=lightgrey] @@ -293,14 +291,14 @@ color=black label = "cop" "TableFullScan_8" } -subgraph cluster13{ +subgraph cluster12{ node [style=filled, color=lightgrey] color=black label = "cop" -"Selection_13" -> "TableFullScan_12" +"TableFullScan_12" } "TableReader_9" -> "TableFullScan_8" -"TableReader_14" -> "Selection_13" +"TableReader_13" -> "TableFullScan_12" } drop table if exists t1, t2, t3, t4; diff --git a/cmd/explaintest/r/explain_easy_stats.result b/cmd/explaintest/r/explain_easy_stats.result index eae0be5ab8b5d..c3a46f969837b 100644 --- a/cmd/explaintest/r/explain_easy_stats.result +++ b/cmd/explaintest/r/explain_easy_stats.result @@ -120,10 +120,9 @@ Limit_10 1.00 root offset:0, count:1 set @@session.tidb_opt_insubq_to_join_and_agg=0; explain select 1 in (select c2 from t2) from t1; id estRows task access object operator info -HashJoin_7 1999.00 root CARTESIAN left outer semi join -├─TableReader_14(Build) 0.00 root data:Selection_13 -│ └─Selection_13 0.00 cop[tikv] eq(1, test.t2.c2) -│ └─TableFullScan_12 1985.00 cop[tikv] table:t2 keep order:false +HashJoin_7 1999.00 root CARTESIAN left outer semi join, other cond:eq(1, test.t2.c2) +├─TableReader_13(Build) 1985.00 root data:TableFullScan_12 +│ └─TableFullScan_12 1985.00 cop[tikv] table:t2 keep order:false └─TableReader_9(Probe) 1999.00 root data:TableFullScan_8 └─TableFullScan_8 1999.00 cop[tikv] table:t1 keep order:false explain format="dot" select 1 in (select c2 from t2) from t1; @@ -135,7 +134,7 @@ node [style=filled, color=lightgrey] color=black label = "root" "HashJoin_7" -> "TableReader_9" -"HashJoin_7" -> "TableReader_14" +"HashJoin_7" -> "TableReader_13" } subgraph cluster8{ node [style=filled, color=lightgrey] @@ -143,14 +142,14 @@ color=black label = "cop" "TableFullScan_8" } -subgraph cluster13{ +subgraph cluster12{ node [style=filled, color=lightgrey] color=black label = "cop" -"Selection_13" -> "TableFullScan_12" +"TableFullScan_12" } "TableReader_9" -> "TableFullScan_8" -"TableReader_14" -> "Selection_13" +"TableReader_13" -> "TableFullScan_12" } explain select * from index_prune WHERE a = 1010010404050976781 AND b = 26467085526790 LIMIT 1; diff --git a/executor/executor_test.go b/executor/executor_test.go index fd14a4427a41f..b00f6e53d0523 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -2445,6 +2445,32 @@ func (s *testSuiteP2) TestRow(c *C) { result.Check(testkit.Rows("0")) result = tk.MustQuery("select (select 1)") result.Check(testkit.Rows("1")) + + tk.MustExec("drop table if exists t1") + tk.MustExec("create table t1 (a int, b int)") + tk.MustExec("insert t1 values (1,2),(1,null)") + tk.MustExec("drop table if exists t2") + tk.MustExec("create table t2 (c int, d int)") + tk.MustExec("insert t2 values (0,0)") + + tk.MustQuery("select * from t2 where (1,2) in (select * from t1)").Check(testkit.Rows("0 0")) + tk.MustQuery("select * from t2 where (1,2) not in (select * from t1)").Check(testkit.Rows()) + tk.MustQuery("select * from t2 where (1,1) not in (select * from t1)").Check(testkit.Rows()) + tk.MustQuery("select * from t2 where (1,null) in (select * from t1)").Check(testkit.Rows()) + tk.MustQuery("select * from t2 where (null,null) in (select * from t1)").Check(testkit.Rows()) + + tk.MustExec("delete from t1 where a=1 and b=2") + tk.MustQuery("select (1,1) in (select * from t2) from t1").Check(testkit.Rows("0")) + tk.MustQuery("select (1,1) not in (select * from t2) from t1").Check(testkit.Rows("1")) + tk.MustQuery("select (1,1) in (select 1,1 from t2) from t1").Check(testkit.Rows("1")) + tk.MustQuery("select (1,1) not in (select 1,1 from t2) from t1").Check(testkit.Rows("0")) + + // MySQL 5.7 returns 1 for these 2 queries, which is wrong. + tk.MustQuery("select (1,null) not in (select 1,1 from t2) from t1").Check(testkit.Rows("")) + tk.MustQuery("select (t1.a,null) not in (select 1,1 from t2) from t1").Check(testkit.Rows("")) + + tk.MustQuery("select (1,null) in (select * from t1)").Check(testkit.Rows("")) + tk.MustQuery("select (1,null) not in (select * from t1)").Check(testkit.Rows("")) } func (s *testSuiteP2) TestColumnName(c *C) { diff --git a/executor/join_test.go b/executor/join_test.go index b8c38331bdc60..a74e5a13a90e4 100644 --- a/executor/join_test.go +++ b/executor/join_test.go @@ -880,6 +880,65 @@ func (s *testSuiteJoin3) TestSubquery(c *C) { tk.MustExec("insert into t2 values(1)") tk.MustQuery("select * from t1 where a in (select a from t2)").Check(testkit.Rows("1")) + tk.MustExec("insert into t2 value(null)") + tk.MustQuery("select * from t1 where 1 in (select b from t2)").Check(testkit.Rows("1")) + tk.MustQuery("select * from t1 where 1 not in (select b from t2)").Check(testkit.Rows()) + tk.MustQuery("select * from t1 where 2 not in (select b from t2)").Check(testkit.Rows()) + tk.MustQuery("select * from t1 where 2 in (select b from t2)").Check(testkit.Rows()) + tk.MustQuery("select 1 in (select b from t2) from t1").Check(testkit.Rows("1")) + tk.MustQuery("select 1 in (select 1 from t2) from t1").Check(testkit.Rows("1")) + tk.MustQuery("select 1 not in (select b from t2) from t1").Check(testkit.Rows("0")) + tk.MustQuery("select 1 not in (select 1 from t2) from t1").Check(testkit.Rows("0")) + + tk.MustExec("delete from t2 where b=1") + tk.MustQuery("select 1 in (select b from t2) from t1").Check(testkit.Rows("")) + tk.MustQuery("select 1 not in (select b from t2) from t1").Check(testkit.Rows("")) + tk.MustQuery("select 1 not in (select 1 from t2) from t1").Check(testkit.Rows("0")) + tk.MustQuery("select 1 in (select 1 from t2) from t1").Check(testkit.Rows("1")) + tk.MustQuery("select 1 not in (select null from t1) from t2").Check(testkit.Rows("")) + tk.MustQuery("select 1 in (select null from t1) from t2").Check(testkit.Rows("")) + + tk.MustExec("drop table if exists s") + tk.MustExec("create table s(a int not null, b int)") + tk.MustExec("set sql_mode = ''") + tk.MustQuery("select (2,0) in (select s.a, min(s.b) from s) as f").Check(testkit.Rows("")) + tk.MustQuery("select (2,0) not in (select s.a, min(s.b) from s) as f").Check(testkit.Rows("")) + tk.MustQuery("select (2,0) = any (select s.a, min(s.b) from s) as f").Check(testkit.Rows("")) + tk.MustQuery("select (2,0) != all (select s.a, min(s.b) from s) as f").Check(testkit.Rows("")) + tk.MustQuery("select (2,0) in (select s.b, min(s.b) from s) as f").Check(testkit.Rows("")) + tk.MustQuery("select (2,0) not in (select s.b, min(s.b) from s) as f").Check(testkit.Rows("")) + tk.MustQuery("select (2,0) = any (select s.b, min(s.b) from s) as f").Check(testkit.Rows("")) + tk.MustQuery("select (2,0) != all (select s.b, min(s.b) from s) as f").Check(testkit.Rows("")) + tk.MustExec("insert into s values(1,null)") + tk.MustQuery("select 1 in (select b from s)").Check(testkit.Rows("")) + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int)") + tk.MustExec("insert into t values(1),(null)") + tk.MustQuery("select a not in (select 1) from t").Sort().Check(testkit.Rows( + "0", + "", + )) + tk.MustQuery("select 1 not in (select null from t t1) from t").Check(testkit.Rows( + "", + "", + )) + tk.MustQuery("select 1 in (select null from t t1) from t").Check(testkit.Rows( + "", + "", + )) + tk.MustQuery("select a in (select 0) xx from (select null as a) x").Check(testkit.Rows("")) + + tk.MustExec("drop table t") + tk.MustExec("create table t(a int, b int)") + tk.MustExec("insert into t values(1,null),(null, null),(null, 2)") + tk.MustQuery("select * from t t1 where (2 in (select a from t t2 where (t2.b=t1.b) is null))").Check(testkit.Rows()) + tk.MustQuery("select (t2.a in (select t1.a from t t1)) is true from t t2").Sort().Check(testkit.Rows( + "0", + "0", + "1", + )) + tk.MustExec("set @@tidb_hash_join_concurrency=5") } diff --git a/expression/aggregation/base_func_test.go b/expression/aggregation/base_func_test.go index bf6e96364fe39..ba7fd757fdbaa 100644 --- a/expression/aggregation/base_func_test.go +++ b/expression/aggregation/base_func_test.go @@ -39,14 +39,3 @@ func (s *testBaseFuncSuite) TestClone(c *check.C) { c.Assert(desc.Args[0], check.Equals, col) c.Assert(desc.equal(s.ctx, cloned), check.IsFalse) } - -func (s *testBaseFuncSuite) TestMaxMin(c *check.C) { - col := &expression.Column{ - UniqueID: 0, - RetType: types.NewFieldType(mysql.TypeLonglong), - } - col.RetType.Flag |= mysql.NotNullFlag - desc, err := newBaseFuncDesc(s.ctx, ast.AggFuncMax, []expression.Expression{col}) - c.Assert(err, check.IsNil) - c.Assert(mysql.HasNotNullFlag(desc.RetTp.Flag), check.IsFalse) -} diff --git a/expression/aggregation/descriptor.go b/expression/aggregation/descriptor.go index 0c08c48f03961..af16d26b1f81a 100644 --- a/expression/aggregation/descriptor.go +++ b/expression/aggregation/descriptor.go @@ -19,6 +19,7 @@ import ( "math" "strconv" + "github.com/pingcap/errors" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/expression" @@ -272,3 +273,43 @@ func (a *AggFuncDesc) evalNullValueInOuterJoin4BitOr(ctx sessionctx.Context, sch } return con.Value, true } + +// UpdateNotNullFlag4RetType checks if we should remove the NotNull flag for the return type of the agg. +func (a *AggFuncDesc) UpdateNotNullFlag4RetType(hasGroupBy, allAggsFirstRow bool) error { + var removeNotNull bool + switch a.Name { + case ast.AggFuncCount, ast.AggFuncApproxCountDistinct, ast.AggFuncApproxPercentile, + ast.AggFuncBitAnd, ast.AggFuncBitOr, ast.AggFuncBitXor, + ast.WindowFuncFirstValue, ast.WindowFuncLastValue, ast.WindowFuncNthValue, ast.WindowFuncRowNumber, + ast.WindowFuncRank, ast.WindowFuncDenseRank, ast.WindowFuncCumeDist, ast.WindowFuncNtile, ast.WindowFuncPercentRank, + ast.WindowFuncLead, ast.WindowFuncLag, ast.AggFuncJsonObjectAgg, + ast.AggFuncVarSamp, ast.AggFuncVarPop, ast.AggFuncStddevPop, ast.AggFuncStddevSamp: + removeNotNull = false + case ast.AggFuncSum, ast.AggFuncAvg, ast.AggFuncGroupConcat: + if !hasGroupBy { + removeNotNull = true + } + // `select max(a) from empty_tbl` returns `null`, while `select max(a) from empty_tbl group by b` returns empty. + case ast.AggFuncMax, ast.AggFuncMin: + if !hasGroupBy && a.RetTp.Tp != mysql.TypeBit { + removeNotNull = true + } + // `select distinct a from empty_tbl` returns empty + // `select a from empty_tbl group by b` returns empty + // `select a, max(a) from empty_tbl` returns `(null, null)` + // `select a, max(a) from empty_tbl group by b` returns empty + // `select a, count(a) from empty_tbl` returns `(null, 0)` + // `select a, count(a) from empty_tbl group by b` returns empty + case ast.AggFuncFirstRow: + if !allAggsFirstRow && !hasGroupBy { + removeNotNull = true + } + default: + return errors.Errorf("unsupported agg function: %s", a.Name) + } + if removeNotNull { + a.RetTp = a.RetTp.Clone() + a.RetTp.Flag &^= mysql.NotNullFlag + } + return nil +} diff --git a/expression/expression.go b/expression/expression.go index 2ab1c47d240b7..3c840fec3f49a 100644 --- a/expression/expression.go +++ b/expression/expression.go @@ -200,6 +200,16 @@ func IsEQCondFromIn(expr Expression) bool { return len(cols) > 0 } +// ExprNotNull checks if an expression is possible to be null. +func ExprNotNull(expr Expression) bool { + if c, ok := expr.(*Constant); ok { + return !c.Value.IsNull() + } + // For ScalarFunction, the result would not be correct until we support maintaining + // NotNull flag for it. + return mysql.HasNotNullFlag(expr.GetType().Flag) +} + // HandleOverflowOnSelection handles Overflow errors when evaluating selection filters. // We should ignore overflow errors when evaluating selection conditions: // INSERT INTO t VALUES ("999999999999999999"); diff --git a/planner/core/expression_rewriter.go b/planner/core/expression_rewriter.go index 6b3169d5ec299..ad00ec02a9ce0 100644 --- a/planner/core/expression_rewriter.go +++ b/planner/core/expression_rewriter.go @@ -432,16 +432,41 @@ func (er *expressionRewriter) Enter(inNode ast.Node) (ast.Node, bool) { } func (er *expressionRewriter) buildSemiApplyFromEqualSubq(np LogicalPlan, l, r expression.Expression, not bool) { - var condition expression.Expression - if rCol, ok := r.(*expression.Column); ok && (er.asScalar || not) { - // If both input columns of `!= all / = any` expression are not null, we can treat the expression - // as normal column equal condition. - if lCol, ok := l.(*expression.Column); !ok || !mysql.HasNotNullFlag(lCol.GetType().Flag) || !mysql.HasNotNullFlag(rCol.GetType().Flag) { - rColCopy := *rCol - rColCopy.InOperand = true - r = &rColCopy + if er.asScalar || not { + if expression.GetRowLen(r) == 1 { + rCol := r.(*expression.Column) + // If both input columns of `!= all / = any` expression are not null, we can treat the expression + // as normal column equal condition. + if !expression.ExprNotNull(l) || !expression.ExprNotNull(rCol) { + rColCopy := *rCol + rColCopy.InOperand = true + r = &rColCopy + } + } else { + rowFunc := r.(*expression.ScalarFunction) + rargs := rowFunc.GetArgs() + args := make([]expression.Expression, 0, len(rargs)) + modified := false + for i, rarg := range rargs { + larg := expression.GetFuncArg(l, i) + if !expression.ExprNotNull(larg) || !expression.ExprNotNull(rarg) { + rCol := rarg.(*expression.Column) + rColCopy := *rCol + rColCopy.InOperand = true + rarg = &rColCopy + modified = true + } + args = append(args, rarg) + } + if modified { + r, er.err = er.newFunction(ast.RowFunc, args[0].GetType(), args...) + if er.err != nil { + return + } + } } } + var condition expression.Expression condition, er.err = er.constructBinaryOpFunction(l, r, ast.EQ) if er.err != nil { return @@ -818,7 +843,7 @@ func (er *expressionRewriter) handleInSubquery(ctx context.Context, v *ast.Patte if v.Not || asScalar { // If both input columns of `in` expression are not null, we can treat the expression // as normal column equal condition instead. - if !mysql.HasNotNullFlag(lexpr.GetType().Flag) || !mysql.HasNotNullFlag(rCol.GetType().Flag) { + if !expression.ExprNotNull(lexpr) || !expression.ExprNotNull(rCol) { rColCopy := *rCol rColCopy.InOperand = true rexpr = &rColCopy @@ -826,7 +851,13 @@ func (er *expressionRewriter) handleInSubquery(ctx context.Context, v *ast.Patte } } else { args := make([]expression.Expression, 0, np.Schema().Len()) - for _, col := range np.Schema().Columns { + for i, col := range np.Schema().Columns { + larg := expression.GetFuncArg(lexpr, i) + if !expression.ExprNotNull(larg) || !expression.ExprNotNull(col) { + rarg := *col + rarg.InOperand = true + col = &rarg + } args = append(args, col) } rexpr, er.err = er.newFunction(ast.RowFunc, args[0].GetType(), args...) diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index e9a95d350cadc..75d8730536793 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -183,6 +183,7 @@ func (b *PlanBuilder) buildAggregation(ctx context.Context, p LogicalPlan, aggFu // aggIdxMap maps the old index to new index after applying common aggregation functions elimination. aggIndexMap := make(map[int]int) + allAggsFirstRow := true for i, aggFunc := range aggFuncList { newArgList := make([]expression.Expression, 0, len(aggFunc.Args)) for _, arg := range aggFunc.Args { @@ -197,6 +198,9 @@ func (b *PlanBuilder) buildAggregation(ctx context.Context, p LogicalPlan, aggFu if err != nil { return nil, nil, err } + if newFunc.Name != ast.AggFuncFirstRow { + allAggsFirstRow = false + } if aggFunc.Order != nil { trueArgs := aggFunc.Args[:len(aggFunc.Args)-1] // the last argument is SEPARATOR, remote it. resolver := &aggOrderByResolver{ @@ -248,6 +252,14 @@ func (b *PlanBuilder) buildAggregation(ctx context.Context, p LogicalPlan, aggFu schema4Agg.Append(newCol) names = append(names, p.OutputNames()[i]) } + hasGroupBy := len(gbyItems) > 0 + for i, aggFunc := range plan4Agg.AggFuncs { + err := aggFunc.UpdateNotNullFlag4RetType(hasGroupBy, allAggsFirstRow) + if err != nil { + return nil, nil, err + } + schema4Agg.Columns[i].RetType = aggFunc.RetTp + } plan4Agg.names = names plan4Agg.SetChildren(p) plan4Agg.GroupByItems = gbyItems @@ -359,6 +371,15 @@ func (p *LogicalJoin) ExtractOnCondition( deriveRight bool) (eqCond []*expression.ScalarFunction, leftCond []expression.Expression, rightCond []expression.Expression, otherCond []expression.Expression) { for _, expr := range conditions { + // For queries like `select a in (select a from s where s.b = t.b) from t`, + // if subquery is empty caused by `s.b = t.b`, the result should always be + // false even if t.a is null or s.a is null. To make this join "empty aware", + // we should differentiate `t.a = s.a` from other column equal conditions, so + // we put it into OtherConditions instead of EqualConditions of join. + if expression.IsEQCondFromIn(expr) { + otherCond = append(otherCond, expr) + continue + } binop, ok := expr.(*expression.ScalarFunction) if ok && len(binop.GetArgs()) == 2 { ctx := binop.GetCtx() @@ -385,12 +406,7 @@ func (p *LogicalJoin) ExtractOnCondition( rightCond = append(rightCond, notNullExpr) } } - // For queries like `select a in (select a from s where s.b = t.b) from t`, - // if subquery is empty caused by `s.b = t.b`, the result should always be - // false even if t.a is null or s.a is null. To make this join "empty aware", - // we should differentiate `t.a = s.a` from other column equal conditions, so - // we put it into OtherConditions instead of EqualConditions of join. - if binop.FuncName.L == ast.EQ && !arg0.InOperand && !arg1.InOperand { + if binop.FuncName.L == ast.EQ { cond := expression.NewFunctionInternal(ctx, ast.EQ, types.NewFieldType(mysql.TypeTiny), arg0, arg1) eqCond = append(eqCond, cond.(*expression.ScalarFunction)) continue From 1804f4c53a28a585ee5b0aabafdd714e7e95afeb Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Thu, 12 Nov 2020 17:28:54 +0800 Subject: [PATCH 0204/1021] planner: generate proper hint for IndexHashJoin / IndexMergeJoin (#20992) --- go.mod | 4 ++-- go.sum | 8 ++++---- planner/core/hints.go | 5 +++++ planner/core/physical_plan_test.go | 20 ++++++++++++++++++++ planner/core/testdata/plan_suite_out.json | 6 +++--- 5 files changed, 34 insertions(+), 9 deletions(-) diff --git a/go.mod b/go.mod index e3294813c1497..8018abb0cd058 100644 --- a/go.mod +++ b/go.mod @@ -53,7 +53,7 @@ require ( github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20201023092649-e6d6090277c9 github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 - github.com/pingcap/parser v0.0.0-20201109022253-d384bee1451e + github.com/pingcap/parser v0.0.0-20201112065012-c9380f220ff9 github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f @@ -86,7 +86,7 @@ require ( golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d // indirect golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208 golang.org/x/sys v0.0.0-20200819171115-d785dc25833f - golang.org/x/text v0.3.3 + golang.org/x/text v0.3.4 golang.org/x/time v0.0.0-20191024005414-555d28b269f0 // indirect golang.org/x/tools v0.0.0-20200820010801-b793a1359eac google.golang.org/api v0.15.1 // indirect diff --git a/go.sum b/go.sum index f577f449a66a7..c124557a87ae3 100644 --- a/go.sum +++ b/go.sum @@ -447,8 +447,8 @@ github.com/pingcap/log v0.0.0-20200117041106-d28c14d3b1cd/go.mod h1:4rbK1p9ILyIf github.com/pingcap/log v0.0.0-20200511115504-543df19646ad/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 h1:Jboj+s4jSCp5E1WDgmRUv5rIFKFHaaSWuSZ4wMwXIcc= github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= -github.com/pingcap/parser v0.0.0-20201109022253-d384bee1451e h1:7AXo1anjf9UqG0dvCy9+onp3bQDJjaN8IkSrKErTv3k= -github.com/pingcap/parser v0.0.0-20201109022253-d384bee1451e/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= +github.com/pingcap/parser v0.0.0-20201112065012-c9380f220ff9 h1:/Vd4G/b+sifGUe14+GsxyXlWvJBJwJlTPcyV9IcQYdU= +github.com/pingcap/parser v0.0.0-20201112065012-c9380f220ff9/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 h1:b2G/eqDeywtdJF3w9nIUdqMmXChsmpLvf4FzUxJ9Vmk= @@ -750,8 +750,8 @@ golang.org/x/sys v0.0.0-20200819171115-d785dc25833f/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk= -golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k= -golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= +golang.org/x/text v0.3.4 h1:0YWbFKbhXG/wIiuHDSKpS0Iy7FSA+u45VtBMfQcFTTc= +golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= diff --git a/planner/core/hints.go b/planner/core/hints.go index 86019b204c334..dc7dc370f8dc3 100644 --- a/planner/core/hints.go +++ b/planner/core/hints.go @@ -45,6 +45,11 @@ func getTableName(tblName model.CIStr, asName *model.CIStr) model.CIStr { } func extractTableAsName(p PhysicalPlan) (*model.CIStr, *model.CIStr) { + _, isProj := p.(*PhysicalProjection) + _, isUnionScan := p.(*PhysicalUnionScan) + if isProj || isUnionScan { + return extractTableAsName(p.Children()[0]) + } if len(p.Children()) > 1 { return nil, nil } diff --git a/planner/core/physical_plan_test.go b/planner/core/physical_plan_test.go index 570c89182b433..e9c8547015f70 100644 --- a/planner/core/physical_plan_test.go +++ b/planner/core/physical_plan_test.go @@ -833,6 +833,26 @@ func (s *testPlanSuite) TestAggregationHints(c *C) { } } +func (s *testPlanSuite) TestExplainJoinHints(c *C) { + defer testleak.AfterTest(c)() + store, dom, err := newStoreWithBootstrap() + c.Assert(err, IsNil) + defer func() { + dom.Close() + store.Close() + }() + tk := testkit.NewTestKit(c, store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int, b int, c int, key(b), key(c))") + tk.MustQuery("explain format='hint' select /*+ inl_merge_join(t2) */ * from t t1 inner join t t2 on t1.b = t2.b and t1.c = 1").Check(testkit.Rows( + "use_index(@`sel_1` `test`.`t1` `c`), use_index(@`sel_1` `test`.`t2` `b`), inl_merge_join(@`sel_1` `test`.`t2`), inl_merge_join(`t2`)", + )) + tk.MustQuery("explain format='hint' select /*+ inl_hash_join(t2) */ * from t t1 inner join t t2 on t1.b = t2.b and t1.c = 1").Check(testkit.Rows( + "use_index(@`sel_1` `test`.`t1` `c`), use_index(@`sel_1` `test`.`t2` `b`), inl_hash_join(@`sel_1` `test`.`t2`), inl_hash_join(`t2`)", + )) +} + func (s *testPlanSuite) TestAggToCopHint(c *C) { defer testleak.AfterTest(c)() store, dom, err := newStoreWithBootstrap() diff --git a/planner/core/testdata/plan_suite_out.json b/planner/core/testdata/plan_suite_out.json index da2524ca37dc3..be4b16b1c9016 100644 --- a/planner/core/testdata/plan_suite_out.json +++ b/planner/core/testdata/plan_suite_out.json @@ -2101,17 +2101,17 @@ { "SQL": "select /*+ INL_HASH_JOIN(t1) */ t1.b, t2.b from t1 inner join t2 on t1.a = t2.a;", "Plan": "IndexHashJoin{IndexLookUp(Index(t1.idx_a)[[NULL,+inf]]->Sel([not(isnull(test.t1.a))]), Table(t1))->TableReader(Table(t2)->Sel([not(isnull(test.t2.a))]))}(test.t2.a,test.t1.a)", - "Hints": "use_index(@`sel_1` `test`.`t1` `idx_a`), use_index(@`sel_1` `test`.`t2` ), inl_hash_join(@`sel_1` )" + "Hints": "use_index(@`sel_1` `test`.`t1` `idx_a`), use_index(@`sel_1` `test`.`t2` ), inl_hash_join(@`sel_1` `test`.`t1`)" }, { "SQL": "select /*+ INL_MERGE_JOIN(t1) */ t1.b, t2.b from t1 inner join t2 on t1.a = t2.a;", "Plan": "IndexMergeJoin{IndexLookUp(Index(t1.idx_a)[[NULL,+inf]]->Sel([not(isnull(test.t1.a))]), Table(t1))->Projection->TableReader(Table(t2)->Sel([not(isnull(test.t2.a))]))}(test.t2.a,test.t1.a)", - "Hints": "use_index(@`sel_1` `test`.`t1` `idx_a`), use_index(@`sel_1` `test`.`t2` )" + "Hints": "use_index(@`sel_1` `test`.`t1` `idx_a`), use_index(@`sel_1` `test`.`t2` ), inl_merge_join(@`sel_1` `test`.`t1`)" }, { "SQL": "select /*+ MERGE_JOIN(t1) */ t1.b, t2.b from t1 inner join t2 on t1.a = t2.a;", "Plan": "MergeInnerJoin{IndexLookUp(Index(t1.idx_a)[[-inf,+inf]], Table(t1))->Projection->IndexLookUp(Index(t2.idx_a)[[-inf,+inf]], Table(t2))->Projection}(test.t1.a,test.t2.a)", - "Hints": "use_index(@`sel_1` `test`.`t1` `idx_a`), use_index(@`sel_1` `test`.`t2` `idx_a`)" + "Hints": "use_index(@`sel_1` `test`.`t1` `idx_a`), use_index(@`sel_1` `test`.`t2` `idx_a`), merge_join(@`sel_1` `test`.`t1`)" } ] }, From c8545947a11d7024eff24608e7e6aedec2bb0949 Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Thu, 12 Nov 2020 18:03:58 +0800 Subject: [PATCH 0205/1021] executor, planner: fix some cases for natural_using_join (#20977) --- executor/join_test.go | 46 ++++++++++ planner/core/expression_rewriter.go | 37 +++++--- planner/core/logical_plan_builder.go | 124 +++++++++++++++++++-------- planner/core/logical_plans.go | 2 +- 4 files changed, 163 insertions(+), 46 deletions(-) diff --git a/executor/join_test.go b/executor/join_test.go index a74e5a13a90e4..09dad2121a292 100644 --- a/executor/join_test.go +++ b/executor/join_test.go @@ -582,6 +582,52 @@ func (s *testSuiteJoin1) TestUsing(c *C) { tk.MustExec("create table tt(b bigint, a int)") // Check whether this sql can execute successfully. tk.MustExec("select * from t join tt using(a)") + + tk.MustExec("drop table if exists t, s") + tk.MustExec("create table t(a int, b int)") + tk.MustExec("create table s(b int, a int)") + tk.MustExec("insert into t values(1,1), (2,2), (3,3), (null,null)") + tk.MustExec("insert into s values(1,1), (3,3), (null,null)") + + // For issue 20477 + tk.MustQuery("select t.*, s.* from t join s using(a)").Check(testkit.Rows("1 1 1 1", "3 3 3 3")) + tk.MustQuery("select s.a from t join s using(a)").Check(testkit.Rows("1", "3")) + tk.MustQuery("select s.a from t join s using(a) where s.a > 1").Check(testkit.Rows("3")) + tk.MustQuery("select s.a from t join s using(a) order by s.a").Check(testkit.Rows("1", "3")) + tk.MustQuery("select s.a from t join s using(a) where s.a > 1 order by s.a").Check(testkit.Rows("3")) + tk.MustQuery("select s.a from t join s using(a) where s.a > 1 order by s.a limit 2").Check(testkit.Rows("3")) + + // For issue 20441 + tk.MustExec(`DROP TABLE if exists t1, t2, t3`) + tk.MustExec(`create table t1 (i int)`) + tk.MustExec(`create table t2 (i int)`) + tk.MustExec(`create table t3 (i int)`) + tk.MustExec(`select * from t1,t2 natural left join t3 order by t1.i,t2.i,t3.i`) + tk.MustExec(`select t1.i,t2.i,t3.i from t2 natural left join t3,t1 order by t1.i,t2.i,t3.i`) + tk.MustExec(`select * from t1,t2 natural right join t3 order by t1.i,t2.i,t3.i`) + tk.MustExec(`select t1.i,t2.i,t3.i from t2 natural right join t3,t1 order by t1.i,t2.i,t3.i`) + + // For issue 15844 + tk.MustExec(`DROP TABLE if exists t0, t1`) + tk.MustExec(`CREATE TABLE t0(c0 INT)`) + tk.MustExec(`CREATE TABLE t1(c0 INT)`) + tk.MustExec(`SELECT t0.c0 FROM t0 NATURAL RIGHT JOIN t1 WHERE t1.c0`) + + // For issue 20958 + tk.MustExec(`DROP TABLE if exists t1, t2`) + tk.MustExec(`create table t1(id int, name varchar(20));`) + tk.MustExec(`create table t2(id int, address varchar(30));`) + tk.MustExec(`insert into t1 values(1,'gangshen');`) + tk.MustExec(`insert into t2 values(1,'HangZhou');`) + tk.MustQuery(`select t2.* from t1 inner join t2 using (id) limit 1;`).Check(testkit.Rows("1 HangZhou")) + tk.MustQuery(`select t2.* from t1 inner join t2 on t1.id = t2.id limit 1;`).Check(testkit.Rows("1 HangZhou")) + + // For issue 20476 + tk.MustExec("drop table if exists t1") + tk.MustExec("create table t1(a int)") + tk.MustExec("insert into t1 (a) values(1)") + tk.MustQuery("select t1.*, t2.* from t1 join t1 t2 using(a)").Check(testkit.Rows("1 1")) + tk.MustQuery("select * from t1 join t1 t2 using(a)").Check(testkit.Rows("1")) } func (s *testSuiteJoin1) TestNaturalJoin(c *C) { diff --git a/planner/core/expression_rewriter.go b/planner/core/expression_rewriter.go index ad00ec02a9ce0..2ca683182b78b 100644 --- a/planner/core/expression_rewriter.go +++ b/planner/core/expression_rewriter.go @@ -1675,27 +1675,42 @@ func (er *expressionRewriter) toColumn(v *ast.ColumnName) { return } } - if join, ok := er.p.(*LogicalJoin); ok && join.redundantSchema != nil { - idx, err := expression.FindFieldName(join.redundantNames, v) - if err != nil { - er.err = err - return - } - if idx >= 0 { - er.ctxStackAppend(join.redundantSchema.Columns[idx], join.redundantNames[idx]) - return - } - } if _, ok := er.p.(*LogicalUnionAll); ok && v.Table.O != "" { er.err = ErrTablenameNotAllowedHere.GenWithStackByArgs(v.Table.O, "SELECT", clauseMsg[er.b.curClause]) return } + col, name, err := findFieldNameFromNaturalUsingJoin(er.p, v) + if err != nil { + er.err = err + return + } else if col != nil { + er.ctxStackAppend(col, name) + return + } if er.b.curClause == globalOrderByClause { er.b.curClause = orderByClause } er.err = ErrUnknownColumn.GenWithStackByArgs(v.String(), clauseMsg[er.b.curClause]) } +func findFieldNameFromNaturalUsingJoin(p LogicalPlan, v *ast.ColumnName) (col *expression.Column, name *types.FieldName, err error) { + switch x := p.(type) { + case *LogicalLimit, *LogicalSelection, *LogicalTopN, *LogicalSort, *LogicalMaxOneRow: + return findFieldNameFromNaturalUsingJoin(p.Children()[0], v) + case *LogicalJoin: + if x.redundantSchema != nil { + idx, err := expression.FindFieldName(x.redundantNames, v) + if err != nil { + return nil, nil, err + } + if idx >= 0 { + return x.redundantSchema.Columns[idx], x.redundantNames[idx], nil + } + } + } + return nil, nil, nil +} + func (er *expressionRewriter) evalDefaultExpr(v *ast.DefaultExpr) { var name *types.FieldName // Here we will find the corresponding column for default function. At the same time, we need to consider the issue diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index 75d8730536793..b671473425475 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -817,8 +817,19 @@ func (b *PlanBuilder) coalesceCommonColumns(p *LogicalJoin, leftPlan, rightPlan p.SetSchema(expression.NewSchema(schemaCols...)) p.names = names - p.redundantSchema = expression.MergeSchema(p.redundantSchema, expression.NewSchema(rColumns[:commonLen]...)) - p.redundantNames = append(p.redundantNames.Shallow(), rNames[:commonLen]...) + if joinTp == ast.RightJoin { + leftPlan, rightPlan = rightPlan, leftPlan + } + // We record the full `rightPlan.Schema` as `redundantSchema` in order to + // record the redundant column in `rightPlan` and the output columns order + // of the `rightPlan`. + // For SQL like `select t1.*, t2.* from t1 left join t2 using(a)`, we can + // retrieve the column order of `t2.*` from the `redundantSchema`. + p.redundantSchema = expression.MergeSchema(p.redundantSchema, expression.NewSchema(rightPlan.Schema().Clone().Columns...)) + p.redundantNames = append(p.redundantNames.Shallow(), rightPlan.OutputNames().Shallow()...) + if joinTp == ast.RightJoin || joinTp == ast.LeftJoin { + resetNotNullFlag(p.redundantSchema, 0, p.redundantSchema.Len()) + } p.OtherConditions = append(conds, p.OtherConditions...) return nil @@ -959,12 +970,8 @@ func (b *PlanBuilder) buildProjectionField(ctx context.Context, p LogicalPlan, f idx := p.Schema().ColumnIndex(col) var name *types.FieldName // The column maybe the one from join's redundant part. - // TODO: Fully support USING/NATURAL JOIN, refactor here. if idx == -1 { - if join, ok := p.(*LogicalJoin); ok { - idx = join.redundantSchema.ColumnIndex(col) - name = join.redundantNames[idx] - } + name = findColFromNaturalUsingJoin(p, col) } else { name = p.OutputNames()[idx] } @@ -996,6 +1003,25 @@ func (b *PlanBuilder) buildProjectionField(ctx context.Context, p LogicalPlan, f return newCol, name, nil } +// findColFromNaturalUsingJoin is used to recursively find the column from the +// underlying natural-using-join. +// e.g. For SQL like `select t2.a from t1 join t2 using(a) where t2.a > 0`, the +// plan will be `join->selection->projection`. The schema of the `selection` +// will be `[t1.a]`, thus we need to recursively retrieve the `t2.a` from the +// underlying join. +func findColFromNaturalUsingJoin(p LogicalPlan, col *expression.Column) (name *types.FieldName) { + switch x := p.(type) { + case *LogicalLimit, *LogicalSelection, *LogicalTopN, *LogicalSort, *LogicalMaxOneRow: + return findColFromNaturalUsingJoin(p.Children()[0], col) + case *LogicalJoin: + if x.redundantSchema != nil { + idx := x.redundantSchema.ColumnIndex(col) + return x.redundantNames[idx] + } + } + return nil +} + // buildProjection returns a Projection plan and non-aux columns length. func (b *PlanBuilder) buildProjection(ctx context.Context, p LogicalPlan, fields []*ast.SelectField, mapper map[*ast.AggregateFuncExpr]int, windowMapper map[*ast.WindowFuncExpr]int, considerWindow bool, expandGenerateColumn bool) (LogicalPlan, int, error) { b.optFlag |= flagEliminateProjection @@ -1652,14 +1678,30 @@ func (a *havingWindowAndOrderbyExprResolver) resolveFromPlan(v *ast.ColumnNameEx if err != nil { return -1, err } + schemaCols, outputNames := p.Schema().Columns, p.OutputNames() if idx < 0 { - return -1, nil + // For SQL like `select t2.a from t1 join t2 using(a) where t2.a > 0 + // order by t2.a`, the query plan will be `join->selection->sort`. The + // schema of selection will be `[t1.a]`, thus we need to recursively + // retrieve the `t2.a` from the underlying join. + switch x := p.(type) { + case *LogicalLimit, *LogicalSelection, *LogicalTopN, *LogicalSort, *LogicalMaxOneRow: + return a.resolveFromPlan(v, p.Children()[0]) + case *LogicalJoin: + if len(x.redundantNames) != 0 { + idx, err = expression.FindFieldName(x.redundantNames, v.Name) + schemaCols, outputNames = x.redundantSchema.Columns, x.redundantNames + } + } + if err != nil || idx < 0 { + return -1, err + } } - col := p.Schema().Columns[idx] + col := schemaCols[idx] if col.IsHidden { return -1, ErrUnknownColumn.GenWithStackByArgs(v.Name, clauseMsg[a.curClause]) } - name := p.OutputNames()[idx] + name := outputNames[idx] newColName := &ast.ColumnName{ Schema: name.DBName, Table: name.TblName, @@ -2407,6 +2449,7 @@ func (b *PlanBuilder) resolveGbyExprs(ctx context.Context, p LogicalPlan, gby *a } func (b *PlanBuilder) unfoldWildStar(p LogicalPlan, selectFields []*ast.SelectField) (resultList []*ast.SelectField, err error) { + join, isJoin := p.(*LogicalJoin) for i, field := range selectFields { if field.WildCard == nil { resultList = append(resultList, field) @@ -2415,37 +2458,50 @@ func (b *PlanBuilder) unfoldWildStar(p LogicalPlan, selectFields []*ast.SelectFi if field.WildCard.Table.L == "" && i > 0 { return nil, ErrInvalidWildCard } - dbName := field.WildCard.Schema - tblName := field.WildCard.Table - findTblNameInSchema := false - for i, name := range p.OutputNames() { - col := p.Schema().Columns[i] - if col.IsHidden { - continue - } - if (dbName.L == "" || dbName.L == name.DBName.L) && - (tblName.L == "" || tblName.L == name.TblName.L) && - col.ID != model.ExtraHandleID { - findTblNameInSchema = true - colName := &ast.ColumnNameExpr{ - Name: &ast.ColumnName{ - Schema: name.DBName, - Table: name.TblName, - Name: name.ColName, - }} - colName.SetType(col.GetType()) - field := &ast.SelectField{Expr: colName} - field.SetText(name.ColName.O) - resultList = append(resultList, field) + list := unfoldWildStar(field, p.OutputNames(), p.Schema().Columns) + // For sql like `select t1.*, t2.* from t1 join t2 using(a)`, we should + // not coalesce the `t2.a` in the output result. Thus we need to unfold + // the wildstar from the underlying join.redundantSchema. + if isJoin && join.redundantSchema != nil && field.WildCard.Table.L != "" { + redundantList := unfoldWildStar(field, join.redundantNames, join.redundantSchema.Columns) + if len(redundantList) > len(list) { + list = redundantList } } - if !findTblNameInSchema { - return nil, ErrBadTable.GenWithStackByArgs(tblName) + if len(list) == 0 { + return nil, ErrBadTable.GenWithStackByArgs(field.WildCard.Table) } + resultList = append(resultList, list...) } return resultList, nil } +func unfoldWildStar(field *ast.SelectField, outputName types.NameSlice, column []*expression.Column) (resultList []*ast.SelectField) { + dbName := field.WildCard.Schema + tblName := field.WildCard.Table + for i, name := range outputName { + col := column[i] + if col.IsHidden { + continue + } + if (dbName.L == "" || dbName.L == name.DBName.L) && + (tblName.L == "" || tblName.L == name.TblName.L) && + col.ID != model.ExtraHandleID { + colName := &ast.ColumnNameExpr{ + Name: &ast.ColumnName{ + Schema: name.DBName, + Table: name.TblName, + Name: name.ColName, + }} + colName.SetType(col.GetType()) + field := &ast.SelectField{Expr: colName} + field.SetText(name.ColName.O) + resultList = append(resultList, field) + } + } + return resultList +} + func (b *PlanBuilder) pushHintWithoutTableWarning(hint *ast.TableOptimizerHint) { var sb strings.Builder ctx := format.NewRestoreCtx(0, &sb) diff --git a/planner/core/logical_plans.go b/planner/core/logical_plans.go index 1c61c522ace72..8114c82631e35 100644 --- a/planner/core/logical_plans.go +++ b/planner/core/logical_plans.go @@ -144,7 +144,7 @@ type LogicalJoin struct { DefaultValues []types.Datum // redundantSchema contains columns which are eliminated in join. - // For select * from a join b using (c); a.c will in output schema, and b.c will in redundantSchema. + // For select * from a join b using (c); a.c will in output schema, and b.c will only in redundantSchema. redundantSchema *expression.Schema redundantNames types.NameSlice From a81c89f89b6fbc81c23f1bd341b3bc6c0cb4475f Mon Sep 17 00:00:00 2001 From: Lenshood <7877221+LENSHOOD@users.noreply.github.com> Date: Thu, 12 Nov 2020 19:06:42 +0800 Subject: [PATCH 0206/1021] ddl: support column type change from date time type to other types (#20778) --- ddl/column.go | 7 +- ddl/column_type_change_test.go | 186 +++++++++++++++++++++- ddl/db_test.go | 89 +++++------ ddl/ddl_api.go | 271 +++++++++++++-------------------- executor/insert_test.go | 2 +- session/schema_amender.go | 2 +- types/datum.go | 5 +- util/ranger/ranger.go | 2 +- 8 files changed, 346 insertions(+), 218 deletions(-) diff --git a/ddl/column.go b/ddl/column.go index 89409a5900963..5c01bf153b233 100644 --- a/ddl/column.go +++ b/ddl/column.go @@ -1060,7 +1060,8 @@ func (w *worker) doModifyColumnTypeWithData( func needRollbackData(err error) bool { return kv.ErrKeyExists.Equal(err) || errCancelledDDLJob.Equal(err) || errCantDecodeRecord.Equal(err) || types.ErrOverflow.Equal(err) || types.ErrDataTooLong.Equal(err) || types.ErrTruncated.Equal(err) || - json.ErrInvalidJSONText.Equal(err) || types.ErrBadNumber.Equal(err) || types.ErrWrongValue.Equal(err) + json.ErrInvalidJSONText.Equal(err) || types.ErrBadNumber.Equal(err) || types.ErrInvalidYear.Equal(err) || + types.ErrWrongValue.Equal(err) } // BuildElements is exported for testing. @@ -1290,6 +1291,10 @@ func (w *updateColumnWorker) reformatErrors(err error) error { if types.ErrTruncated.Equal(err) { err = types.ErrTruncated.GenWithStack("Data truncated for column '%s', value is '%s'", w.oldColInfo.Name, w.rowMap[w.oldColInfo.ID]) } + + if types.ErrInvalidYear.Equal(err) { + err = types.ErrInvalidYear.GenWithStack("Invalid year value for column '%s', value is '%s'", w.oldColInfo.Name, w.rowMap[w.oldColInfo.ID]) + } return err } diff --git a/ddl/column_type_change_test.go b/ddl/column_type_change_test.go index 88a7333cda763..b7e4e2209258b 100644 --- a/ddl/column_type_change_test.go +++ b/ddl/column_type_change_test.go @@ -915,15 +915,15 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromNumericToOthers(c *C // year reset(tk) tk.MustExec("insert into t values (200805.11, 307.333, 2.55555, 98.1111111, 2154.00001, 20200805111307.11111111, b'10101')") - tk.MustGetErrCode("alter table t modify d year", mysql.ErrDataOutOfRange) - tk.MustGetErrCode("alter table t modify n year", mysql.ErrDataOutOfRange) + tk.MustGetErrMsg("alter table t modify d year", "[types:8033]Invalid year value for column 'd', value is 'KindMysqlDecimal 200805.1100000'") + tk.MustGetErrCode("alter table t modify n year", mysql.ErrInvalidYear) // MySQL will get "ERROR 1264 (22001) Data truncation: Out of range value for column 'r' at row 1". tk.MustExec("alter table t modify r year") // MySQL will get "ERROR 1264 (22001) Data truncation: Out of range value for column 'db' at row 1". tk.MustExec("alter table t modify db year") // MySQL will get "ERROR 1264 (22001) Data truncation: Out of range value for column 'f32' at row 1". tk.MustExec("alter table t modify f32 year") - tk.MustGetErrCode("alter table t modify f64 year", mysql.ErrDataOutOfRange) + tk.MustGetErrMsg("alter table t modify f64 year", "[types:8033]Invalid year value for column 'f64', value is 'KindFloat64 2.020080511130711e+13'") tk.MustExec("alter table t modify b year") tk.MustQuery("select * from t").Check(testkit.Rows("200805.1100000 307.33 2003 1998 2154 20200805111307.11 2021")) @@ -987,3 +987,183 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeIgnoreDisplayLength(c *C c.Assert(assertResult, Equals, false) tk.MustExec("drop table if exists t") } + +func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromDateTimeTypeToOthers(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + // Enable column change variable. + tk.Se.GetSessionVars().EnableChangeColumnType = true + + // Set time zone to UTC. + originalTz := tk.Se.GetSessionVars().TimeZone + tk.Se.GetSessionVars().TimeZone = time.UTC + defer func() { + tk.Se.GetSessionVars().EnableChangeColumnType = false + tk.Se.GetSessionVars().TimeZone = originalTz + }() + + // Init string date type table. + reset := func(tk *testkit.TestKit) { + tk.MustExec("drop table if exists t") + tk.MustExec(` + create table t ( + d date, + t time(3), + dt datetime(6), + tmp timestamp(6), + y year + ) + `) + } + + // To numeric data types. + // tinyint + reset(tk) + tk.MustExec("insert into t values ('2020-10-30', '19:38:25.001', 20201030082133.455555, 20201030082133.455555, 2020)") + tk.MustGetErrCode("alter table t modify d tinyint", mysql.ErrDataOutOfRange) + tk.MustGetErrCode("alter table t modify t tinyint", mysql.ErrDataOutOfRange) + tk.MustGetErrCode("alter table t modify dt tinyint", mysql.ErrDataOutOfRange) + tk.MustGetErrCode("alter table t modify tmp tinyint", mysql.ErrDataOutOfRange) + tk.MustGetErrCode("alter table t modify y tinyint", mysql.ErrDataOutOfRange) + tk.MustQuery("select * from t").Check(testkit.Rows("2020-10-30 19:38:25.001 2020-10-30 08:21:33.455555 2020-10-30 08:21:33.455555 2020")) + // int + reset(tk) + tk.MustExec("insert into t values ('2020-10-30', '19:38:25.001', 20201030082133.455555, 20201030082133.455555, 2020)") + tk.MustExec("alter table t modify d int") + tk.MustExec("alter table t modify t int") + tk.MustGetErrCode("alter table t modify dt int", mysql.ErrDataOutOfRange) + tk.MustGetErrCode("alter table t modify tmp int", mysql.ErrDataOutOfRange) + tk.MustExec("alter table t modify y int") + tk.MustQuery("select * from t").Check(testkit.Rows("20201030 193825 2020-10-30 08:21:33.455555 2020-10-30 08:21:33.455555 2020")) + // bigint + reset(tk) + tk.MustExec("insert into t values ('2020-10-30', '19:38:25.001', 20201030082133.455555, 20201030082133.455555, 2020)") + tk.MustExec("alter table t modify d bigint") + tk.MustExec("alter table t modify t bigint") + tk.MustExec("alter table t modify dt bigint") + tk.MustExec("alter table t modify tmp bigint") + tk.MustExec("alter table t modify y bigint") + tk.MustQuery("select * from t").Check(testkit.Rows("20201030 193825 20201030082133 20201030082133 2020")) + // bit + reset(tk) + tk.MustExec("insert into t values ('2020-10-30', '19:38:25.001', 20201030082133.455555, 20201030082133.455555, 2020)") + tk.MustGetErrCode("alter table t modify d bit", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify t bit", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify dt bit", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify tmp bit", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify y bit", mysql.ErrUnsupportedDDLOperation) + tk.MustQuery("select * from t").Check(testkit.Rows("2020-10-30 19:38:25.001 2020-10-30 08:21:33.455555 2020-10-30 08:21:33.455555 2020")) + // decimal + reset(tk) + tk.MustExec("insert into t values ('2020-10-30', '19:38:25.001', 20201030082133.455555, 20201030082133.455555, 2020)") + tk.MustExec("alter table t modify d decimal") + tk.MustExec("alter table t modify t decimal(10, 4)") + tk.MustExec("alter table t modify dt decimal(20, 6)") + tk.MustExec("alter table t modify tmp decimal(22, 8)") + tk.MustExec("alter table t modify y decimal") + tk.MustQuery("select * from t").Check(testkit.Rows("20201030 193825.0010 20201030082133.455555 20201030082133.45555500 2020")) + // double + reset(tk) + tk.MustExec("insert into t values ('2020-10-30', '19:38:25.001', 20201030082133.455555, 20201030082133.455555, 2020)") + tk.MustExec("alter table t modify d double") + tk.MustExec("alter table t modify t double(10, 4)") + tk.MustExec("alter table t modify dt double(20, 6)") + tk.MustExec("alter table t modify tmp double(22, 8)") + tk.MustExec("alter table t modify y double") + tk.MustQuery("select * from t").Check(testkit.Rows("20201030 193825.001 20201030082133.457 20201030082133.457 2020")) + + // To string data types. + // char + reset(tk) + tk.MustExec("insert into t values ('2020-10-30', '19:38:25.001', 20201030082133.455555, 20201030082133.455555, 2020)") + tk.MustExec("alter table t modify d char(30)") + tk.MustExec("alter table t modify t char(30)") + tk.MustExec("alter table t modify dt char(30)") + tk.MustExec("alter table t modify tmp char(30)") + tk.MustExec("alter table t modify y char(30)") + tk.MustQuery("select * from t").Check(testkit.Rows("2020-10-30 19:38:25.001 2020-10-30 08:21:33.455555 2020-10-30 08:21:33.455555 2020")) + + // varchar + reset(tk) + tk.MustExec("insert into t values ('2020-10-30', '19:38:25.001', 20201030082133.455555, 20201030082133.455555, 2020)") + tk.MustExec("alter table t modify d varchar(30)") + tk.MustExec("alter table t modify t varchar(30)") + tk.MustExec("alter table t modify dt varchar(30)") + tk.MustExec("alter table t modify tmp varchar(30)") + tk.MustExec("alter table t modify y varchar(30)") + tk.MustQuery("select * from t").Check(testkit.Rows("2020-10-30 19:38:25.001 2020-10-30 08:21:33.455555 2020-10-30 08:21:33.455555 2020")) + + // binary + reset(tk) + tk.MustExec("insert into t values ('2020-10-30', '19:38:25.001', 20201030082133.455555, 20201030082133.455555, 2020)") + tk.MustExec("alter table t modify d binary(30)") + tk.MustExec("alter table t modify t binary(30)") + tk.MustExec("alter table t modify dt binary(30)") + tk.MustExec("alter table t modify tmp binary(30)") + tk.MustExec("alter table t modify y binary(30)") + tk.MustQuery("select * from t").Check(testkit.Rows("2020-10-30\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 " + + "19:38:25.001\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 " + + "2020-10-30 08:21:33.455555\x00\x00\x00\x00 " + + "2020-10-30 08:21:33.455555\x00\x00\x00\x00 " + + "2020\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00")) + + // varbinary + reset(tk) + tk.MustExec("insert into t values ('2020-10-30', '19:38:25.001', 20201030082133.455555, 20201030082133.455555, 2020)") + tk.MustExec("alter table t modify d varbinary(30)") + tk.MustExec("alter table t modify t varbinary(30)") + tk.MustExec("alter table t modify dt varbinary(30)") + tk.MustExec("alter table t modify tmp varbinary(30)") + tk.MustExec("alter table t modify y varbinary(30)") + tk.MustQuery("select * from t").Check(testkit.Rows("2020-10-30 19:38:25.001 2020-10-30 08:21:33.455555 2020-10-30 08:21:33.455555 2020")) + + // text + reset(tk) + tk.MustExec("insert into t values ('2020-10-30', '19:38:25.001', 20201030082133.455555, 20201030082133.455555, 2020)") + tk.MustExec("alter table t modify d text") + tk.MustExec("alter table t modify t text") + tk.MustExec("alter table t modify dt text") + tk.MustExec("alter table t modify tmp text") + tk.MustExec("alter table t modify y text") + tk.MustQuery("select * from t").Check(testkit.Rows("2020-10-30 19:38:25.001 2020-10-30 08:21:33.455555 2020-10-30 08:21:33.455555 2020")) + + // blob + reset(tk) + tk.MustExec("insert into t values ('2020-10-30', '19:38:25.001', 20201030082133.455555, 20201030082133.455555, 2020)") + tk.MustExec("alter table t modify d blob") + tk.MustExec("alter table t modify t blob") + tk.MustExec("alter table t modify dt blob") + tk.MustExec("alter table t modify tmp blob") + tk.MustExec("alter table t modify y blob") + tk.MustQuery("select * from t").Check(testkit.Rows("2020-10-30 19:38:25.001 2020-10-30 08:21:33.455555 2020-10-30 08:21:33.455555 2020")) + + // enum + reset(tk) + tk.MustExec("insert into t values ('2020-10-30', '19:38:25.001', 20201030082133.455555, 20201030082133.455555, 2020)") + tk.MustGetErrCode("alter table t modify d enum('2020-10-30', '19:38:25.001', '20201030082133.455555', '2020')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify t enum('2020-10-30', '19:38:25.001', '20201030082133.455555', '2020')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify dt enum('2020-10-30', '19:38:25.001', '20201030082133.455555', '2020')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify tmp enum('2020-10-30', '19:38:25.001', '20201030082133.455555', '2020')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify y enum('2020-10-30', '19:38:25.001', '20201030082133.455555', '2020')", mysql.ErrUnsupportedDDLOperation) + tk.MustQuery("select * from t").Check(testkit.Rows("2020-10-30 19:38:25.001 2020-10-30 08:21:33.455555 2020-10-30 08:21:33.455555 2020")) + + // set + reset(tk) + tk.MustExec("insert into t values ('2020-10-30', '19:38:25.001', 20201030082133.455555, 20201030082133.455555, 2020)") + tk.MustGetErrCode("alter table t modify d set('2020-10-30', '19:38:25.001', '20201030082133.455555', '2020')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify t set('2020-10-30', '19:38:25.001', '20201030082133.455555', '2020')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify dt set('2020-10-30', '19:38:25.001', '20201030082133.455555', '2020')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify tmp set('2020-10-30', '19:38:25.001', '20201030082133.455555', '2020')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify y set('2020-10-30', '19:38:25.001', '20201030082133.455555', '2020')", mysql.ErrUnsupportedDDLOperation) + tk.MustQuery("select * from t").Check(testkit.Rows("2020-10-30 19:38:25.001 2020-10-30 08:21:33.455555 2020-10-30 08:21:33.455555 2020")) + + // To json data type. + reset(tk) + tk.MustExec("insert into t values ('2020-10-30', '19:38:25.001', 20201030082133.455555, 20201030082133.455555, 2020)") + tk.MustExec("alter table t modify d json") + tk.MustExec("alter table t modify t json") + tk.MustExec("alter table t modify dt json") + tk.MustExec("alter table t modify tmp json") + tk.MustExec("alter table t modify y json") + tk.MustQuery("select * from t").Check(testkit.Rows("\"2020-10-30\" \"19:38:25.001\" \"2020-10-30 08:21:33.455555\" \"2020-10-30 08:21:33.455555\" 2020")) +} diff --git a/ddl/db_test.go b/ddl/db_test.go index 6908d5bb656e5..eae4e09abe0ba 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -4758,6 +4758,7 @@ func (s *testDBSuite1) TestModifyColumnTime(c *C) { //timeToTimestamp3 := now.Add(12 * time.Second).Format("2006-01-02 15:04:05") //timeToTimestamp4 := now.AddDate(0, 0, 30).Add(20 * time.Hour).Add(12 * time.Second).Format("2006-01-02 15:04:05") //timeToTimestamp5 := now.AddDate(0, 0, 30).Add(20 * time.Hour).Format("2006-01-02 15:04:05") + currentYear := strconv.Itoa(time.Now().Year()) // TESTED UNDER UTC+8 // 1. In conversion between date/time, fraction parts are taken into account @@ -4770,22 +4771,21 @@ func (s *testDBSuite1) TestModifyColumnTime(c *C) { expect string err uint16 }{ - // time to year - // TODO: ban conversion that must fail without returning accurate error - {"time", `"30 20:00:12"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"time", `"30 20:00"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"time", `"30 20"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"time", `"20:00:12"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"time", `"20:00"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"time", `"12"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"time", `"200012"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"time", `200012`, "year", "", errno.ErrWarnDataOutOfRange}, - {"time", `0012`, "year", "", errno.ErrWarnDataOutOfRange}, - {"time", `12`, "year", "", errno.ErrWarnDataOutOfRange}, - {"time", `"30 20:00:12.498"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"time", `"20:00:12.498"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"time", `"200012.498"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"time", `200012.498`, "year", "", errno.ErrWarnDataOutOfRange}, + // time to year, it's reasonable to return current year and discard the time (even if MySQL may get data out of range error). + {"time", `"30 20:00:12"`, "year", currentYear, 0}, + {"time", `"30 20:00"`, "year", currentYear, 0}, + {"time", `"30 20"`, "year", currentYear, 0}, + {"time", `"20:00:12"`, "year", currentYear, 0}, + {"time", `"20:00"`, "year", currentYear, 0}, + {"time", `"12"`, "year", currentYear, 0}, + {"time", `"200012"`, "year", currentYear, 0}, + {"time", `200012`, "year", currentYear, 0}, + {"time", `0012`, "year", currentYear, 0}, + {"time", `12`, "year", currentYear, 0}, + {"time", `"30 20:00:12.498"`, "year", currentYear, 0}, + {"time", `"20:00:12.498"`, "year", currentYear, 0}, + {"time", `"200012.498"`, "year", currentYear, 0}, + {"time", `200012.498`, "year", currentYear, 0}, // time to date // TODO: somewhat got one day earlier than expected @@ -4847,13 +4847,12 @@ func (s *testDBSuite1) TestModifyColumnTime(c *C) { {"date", `190102`, "time", "00:00:00", 0}, // date to year - // TODO: ban conversion that must fail without returning accurate error - {"date", `"2019-01-02"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"date", `"19-01-02"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"date", `"20190102"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"date", `"190102"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"date", `20190102`, "year", "", errno.ErrWarnDataOutOfRange}, - {"date", `190102`, "year", "", errno.ErrWarnDataOutOfRange}, + {"date", `"2019-01-02"`, "year", "2019", 0}, + {"date", `"19-01-02"`, "year", "2019", 0}, + {"date", `"20190102"`, "year", "2019", 0}, + {"date", `"190102"`, "year", "2019", 0}, + {"date", `20190102`, "year", "2019", 0}, + {"date", `190102`, "year", "2019", 0}, // date to datetime // TODO: looks like 8hrs later than expected @@ -4874,14 +4873,13 @@ func (s *testDBSuite1) TestModifyColumnTime(c *C) { //{"date", `190102`, "timestamp", "2019-01-02 00:00:00", 0}, // timestamp to year - // TODO: ban conversion that must fail without returning accurate error - {"timestamp", `"2006-01-02 15:04:05"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"timestamp", `"06-01-02 15:04:05"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"timestamp", `"20060102150405"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"timestamp", `"060102150405"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"timestamp", `20060102150405`, "year", "", errno.ErrWarnDataOutOfRange}, - {"timestamp", `060102150405`, "year", "", errno.ErrWarnDataOutOfRange}, - {"timestamp", `"2006-01-02 23:59:59.506"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"timestamp", `"2006-01-02 15:04:05"`, "year", "2006", 0}, + {"timestamp", `"06-01-02 15:04:05"`, "year", "2006", 0}, + {"timestamp", `"20060102150405"`, "year", "2006", 0}, + {"timestamp", `"060102150405"`, "year", "2006", 0}, + {"timestamp", `20060102150405`, "year", "2006", 0}, + {"timestamp", `060102150405`, "year", "2006", 0}, + {"timestamp", `"2006-01-02 23:59:59.506"`, "year", "2006", 0}, // timestamp to time // TODO: looks like 8hrs earlier than expected @@ -4920,16 +4918,16 @@ func (s *testDBSuite1) TestModifyColumnTime(c *C) { //{"timestamp", `"2006-01-02 23:59:59.506"`, "datetime", "2006-01-03 00:00:00", 0}, // datetime to year - // TODO: ban conversion that must fail without returning accurate error - {"datetime", `"2006-01-02 15:04:05"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"datetime", `"06-01-02 15:04:05"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"datetime", `"20060102150405"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"datetime", `"060102150405"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"datetime", `20060102150405`, "year", "", errno.ErrWarnDataOutOfRange}, - {"datetime", `060102150405`, "year", "", errno.ErrWarnDataOutOfRange}, - {"datetime", `"2006-01-02 23:59:59.506"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"datetime", `"1000-01-02 23:59:59"`, "year", "", errno.ErrWarnDataOutOfRange}, - {"datetime", `"9999-01-02 23:59:59"`, "year", "", errno.ErrWarnDataOutOfRange}, + {"datetime", `"2006-01-02 15:04:05"`, "year", "2006", 0}, + {"datetime", `"06-01-02 15:04:05"`, "year", "2006", 0}, + {"datetime", `"20060102150405"`, "year", "2006", 0}, + {"datetime", `"060102150405"`, "year", "2006", 0}, + {"datetime", `20060102150405`, "year", "2006", 0}, + {"datetime", `060102150405`, "year", "2006", 0}, + {"datetime", `"2006-01-02 23:59:59.506"`, "year", "2006", 0}, + // MySQL will get "Data truncation: Out of range value for column 'a' at row 1. + {"datetime", `"1000-01-02 23:59:59"`, "year", "", errno.ErrInvalidYear}, + {"datetime", `"9999-01-02 23:59:59"`, "year", "", errno.ErrInvalidYear}, // datetime to time {"datetime", `"2006-01-02 15:04:05"`, "time", "15:04:05", 0}, @@ -4986,7 +4984,8 @@ func (s *testDBSuite1) TestModifyColumnTime(c *C) { {"year", `"69"`, "date", "", errno.ErrTruncatedWrongValue}, {"year", `"70"`, "date", "", errno.ErrTruncatedWrongValue}, {"year", `"99"`, "date", "", errno.ErrTruncatedWrongValue}, - {"year", `00`, "date", "", errno.ErrTruncatedWrongValue}, + // MySQL will get "Data truncation: Incorrect date value: '0000'", but TiDB treat 00 as valid datetime. + {"year", `00`, "date", "0000-00-00", 0}, {"year", `69`, "date", "", errno.ErrTruncatedWrongValue}, {"year", `70`, "date", "", errno.ErrTruncatedWrongValue}, {"year", `99`, "date", "", errno.ErrTruncatedWrongValue}, @@ -4998,7 +4997,8 @@ func (s *testDBSuite1) TestModifyColumnTime(c *C) { {"year", `"69"`, "datetime", "", errno.ErrTruncatedWrongValue}, {"year", `"70"`, "datetime", "", errno.ErrTruncatedWrongValue}, {"year", `"99"`, "datetime", "", errno.ErrTruncatedWrongValue}, - {"year", `00`, "datetime", "", errno.ErrTruncatedWrongValue}, + // MySQL will get "Data truncation: Incorrect date value: '0000'", but TiDB treat 00 as valid datetime. + {"year", `00`, "datetime", "0000-00-00 00:00:00", 0}, {"year", `69`, "datetime", "", errno.ErrTruncatedWrongValue}, {"year", `70`, "datetime", "", errno.ErrTruncatedWrongValue}, {"year", `99`, "datetime", "", errno.ErrTruncatedWrongValue}, @@ -5010,7 +5010,8 @@ func (s *testDBSuite1) TestModifyColumnTime(c *C) { {"year", `"69"`, "timestamp", "", errno.ErrTruncatedWrongValue}, {"year", `"70"`, "timestamp", "", errno.ErrTruncatedWrongValue}, {"year", `"99"`, "timestamp", "", errno.ErrTruncatedWrongValue}, - {"year", `00`, "timestamp", "", errno.ErrTruncatedWrongValue}, + // MySQL will get "Data truncation: Incorrect date value: '0000'", but TiDB treat 00 as valid datetime. + {"year", `00`, "timestamp", "0000-00-00 00:00:00", 0}, {"year", `69`, "timestamp", "", errno.ErrTruncatedWrongValue}, {"year", `70`, "timestamp", "", errno.ErrTruncatedWrongValue}, {"year", `99`, "timestamp", "", errno.ErrTruncatedWrongValue}, diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index be135669ad56c..f750a14373065 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -3401,209 +3401,154 @@ func checkModifyCharsetAndCollation(toCharset, toCollate, origCharset, origColla return nil } -// CheckModifyTypeCompatible checks whether changes column type to another is compatible considering -// field length and precision. -func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (allowedChangeColumnValueMsg string, err error) { - var ( - toFlen = to.Flen - originFlen = origin.Flen - ) - unsupportedMsg := fmt.Sprintf("type %v not match origin %v", to.CompactStr(), origin.CompactStr()) - var skipSignCheck bool - var skipLenCheck bool - switch origin.Tp { - case mysql.TypeVarchar, mysql.TypeString, mysql.TypeVarString, mysql.TypeBlob, - mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob: - switch to.Tp { - case mysql.TypeVarchar, mysql.TypeString, mysql.TypeVarString, - mysql.TypeBlob, mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob: - skipSignCheck = true - skipLenCheck = true - case mysql.TypeBit: - // TODO: Currently string data type cast to bit are not compatible with mysql, should fix here after compatible. - return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) - default: - return unsupportedMsg, errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) - } - case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: - switch to.Tp { - case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: - // For integers, we should ignore the potential display length represented by flen, using - // the default flen of the type. - originFlen, _ = mysql.GetDefaultFieldLengthAndDecimal(origin.Tp) - toFlen, _ = mysql.GetDefaultFieldLengthAndDecimal(to.Tp) - // Changing integer to integer, whether reorg is necessary is depend on the flen/decimal/signed. - skipSignCheck = true - skipLenCheck = true - default: - // Changing integer to other types, reorg is absolutely necessary. - return unsupportedMsg, errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) - } - case mysql.TypeFloat, mysql.TypeDouble: - switch to.Tp { - case mysql.TypeFloat, mysql.TypeDouble: - skipSignCheck = true - skipLenCheck = true - case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeTimestamp, mysql.TypeEnum, mysql.TypeSet: - // TODO: Currently float/double cast to date/datetime/timestamp/enum/set are all not support yet, should fix here after supported. - return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) - default: - return unsupportedMsg, errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) - } - case mysql.TypeBit: - switch to.Tp { - case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeTimestamp, mysql.TypeDuration, mysql.TypeEnum, mysql.TypeSet: - // TODO: Currently bit cast to date/datetime/timestamp/time/enum/set are all not support yet, should fix here after supported. - return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) - case mysql.TypeBit: - default: - return unsupportedMsg, errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) - } - case mysql.TypeEnum, mysql.TypeSet: - var typeVar string - if origin.Tp == mysql.TypeEnum { - typeVar = "enum" - } else { - typeVar = "set" - } - switch to.Tp { - case mysql.TypeEnum, mysql.TypeSet: +// CheckModifyTypeCompatible checks whether changes column type to another is compatible and can be changed. +// If types are compatible and can be directly changed, nil err will be returned; otherwise the types are incompatible. +// There are two cases when types incompatible: +// 1. returned canReorg == true: types can be changed by reorg +// 2. returned canReorg == false: type change not supported yet +func CheckModifyTypeCompatible(origin *types.FieldType, to *types.FieldType) (canReorg bool, errMsg string, err error) { + // Deal with the same type. + if origin.Tp == to.Tp { + if origin.Tp == mysql.TypeEnum || origin.Tp == mysql.TypeSet { + typeVar := "set" + if origin.Tp == mysql.TypeEnum { + typeVar = "enum" + } if len(to.Elems) < len(origin.Elems) { msg := fmt.Sprintf("the number of %s column's elements is less than the original: %d", typeVar, len(origin.Elems)) - return msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) + return true, msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) } for index, originElem := range origin.Elems { toElem := to.Elems[index] if originElem != toElem { msg := fmt.Sprintf("cannot modify %s column value %s to %s", typeVar, originElem, toElem) - return msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) + return true, msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) } } - case mysql.TypeVarchar, mysql.TypeString, mysql.TypeVarString, - mysql.TypeBlob, mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob: - msg := fmt.Sprintf("cannot modify %s type column's to type %s", typeVar, to.String()) - return msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) - case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeTimestamp, mysql.TypeDuration: - // TODO: Currently enum/set cast to date and time are not support yet(expect year), should fix here after supported. - return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) - default: - return unsupportedMsg, errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) } - case mysql.TypeNewDecimal: - if origin.Tp != to.Tp { - switch to.Tp { - case mysql.TypeEnum, mysql.TypeSet: - return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) - } - return unsupportedMsg, errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) - } - // Floating-point and fixed-point types also can be UNSIGNED. As with integer types, this attribute prevents - // negative values from being stored in the column. Unlike the integer types, the upper range of column values - // remains the same. - if to.Flen != origin.Flen || to.Decimal != origin.Decimal || mysql.HasUnsignedFlag(to.Flag) != mysql.HasUnsignedFlag(origin.Flag) { - msg := fmt.Sprintf("decimal change from decimal(%d, %d) to decimal(%d, %d)", origin.Flen, origin.Decimal, to.Flen, to.Decimal) - return msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) - } - case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeTimestamp, mysql.TypeDuration, mysql.TypeYear: - switch origin.Tp { - case mysql.TypeDuration: - switch to.Tp { - case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeTimestamp: - return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) - } - case mysql.TypeDate: - switch to.Tp { - case mysql.TypeDatetime, mysql.TypeTimestamp: - return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) - } - case mysql.TypeTimestamp: - switch to.Tp { - case mysql.TypeDuration, mysql.TypeDatetime: - return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) - } - case mysql.TypeDatetime: - switch to.Tp { - case mysql.TypeTimestamp: - return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) - } - case mysql.TypeYear: - switch to.Tp { - case mysql.TypeDuration: - return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) - case mysql.TypeYear: - default: - return "", ErrTruncatedWrongValue.GenWithStack("banned conversion that must fail") + + if origin.Tp == mysql.TypeNewDecimal { + // Floating-point and fixed-point types also can be UNSIGNED. As with integer types, this attribute prevents + // negative values from being stored in the column. Unlike the integer types, the upper range of column values + // remains the same. + if to.Flen != origin.Flen || to.Decimal != origin.Decimal || mysql.HasUnsignedFlag(to.Flag) != mysql.HasUnsignedFlag(origin.Flag) { + msg := fmt.Sprintf("decimal change from decimal(%d, %d) to decimal(%d, %d)", origin.Flen, origin.Decimal, to.Flen, to.Decimal) + return true, msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) } } - switch to.Tp { - case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeTimestamp, mysql.TypeDuration: - skipSignCheck = true - skipLenCheck = true - case mysql.TypeYear: - if origin.Tp != mysql.TypeYear { - return "", ErrWarnDataOutOfRange.GenWithStack("banned conversion that must fail") - } - skipSignCheck = true - skipLenCheck = true - default: - return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) + + needReorg, reason := needReorgToChange(origin, to) + if !needReorg { + return false, "", nil } - default: - if origin.Tp != to.Tp { - return "", errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) + return true, reason, errUnsupportedModifyColumn.GenWithStackByArgs(reason) + } + + // Deal with the different type. + if !checkTypeChangeSupported(origin, to) { + unsupportedMsg := fmt.Sprintf("change from original type %v to %v is currently unsupported yet", to.CompactStr(), origin.CompactStr()) + return false, unsupportedMsg, errUnsupportedModifyColumn.GenWithStackByArgs(unsupportedMsg) + } + + // Check if different type can directly convert and no need to reorg. + stringToString := types.IsString(origin.Tp) && types.IsString(to.Tp) + integerToInteger := mysql.IsIntegerType(origin.Tp) && mysql.IsIntegerType(to.Tp) + if stringToString || integerToInteger { + needReorg, reason := needReorgToChange(origin, to) + if !needReorg { + return false, "", nil } + return true, reason, errUnsupportedModifyColumn.GenWithStackByArgs(reason) + } + + notCompatibleMsg := fmt.Sprintf("type %v not match origin %v", to.CompactStr(), origin.CompactStr()) + return true, notCompatibleMsg, errUnsupportedModifyColumn.GenWithStackByArgs(notCompatibleMsg) +} + +func needReorgToChange(origin *types.FieldType, to *types.FieldType) (needOreg bool, reasonMsg string) { + toFlen := to.Flen + originFlen := origin.Flen + if mysql.IsIntegerType(to.Tp) && mysql.IsIntegerType(origin.Tp) { + // For integers, we should ignore the potential display length represented by flen, using + // the default flen of the type. + originFlen, _ = mysql.GetDefaultFieldLengthAndDecimal(origin.Tp) + toFlen, _ = mysql.GetDefaultFieldLengthAndDecimal(to.Tp) } if toFlen > 0 && toFlen < originFlen { - msg := fmt.Sprintf("length %d is less than origin %d", toFlen, originFlen) - if skipLenCheck { - return msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) - } - return "", errUnsupportedModifyColumn.GenWithStackByArgs(msg) + return true, fmt.Sprintf("length %d is less than origin %d", to.Flen, origin.Flen) } if to.Decimal > 0 && to.Decimal < origin.Decimal { - msg := fmt.Sprintf("decimal %d is less than origin %d", to.Decimal, origin.Decimal) - return "", errUnsupportedModifyColumn.GenWithStackByArgs(msg) + return true, fmt.Sprintf("decimal %d is less than origin %d", to.Decimal, origin.Decimal) } + if mysql.HasUnsignedFlag(origin.Flag) != mysql.HasUnsignedFlag(to.Flag) { + return true, fmt.Sprintf("can't change unsigned integer to signed or vice versa") + } + return false, "" +} - toUnsigned := mysql.HasUnsignedFlag(to.Flag) - originUnsigned := mysql.HasUnsignedFlag(origin.Flag) - if originUnsigned != toUnsigned { - msg := fmt.Sprintf("can't change unsigned integer to signed or vice versa") - if skipSignCheck { - return msg, errUnsupportedModifyColumn.GenWithStackByArgs(msg) - } - return "", errUnsupportedModifyColumn.GenWithStackByArgs(msg) +func checkTypeChangeSupported(origin *types.FieldType, to *types.FieldType) bool { + if types.IsString(origin.Tp) && to.Tp == mysql.TypeBit { + // TODO: Currently string data type cast to bit are not compatible with mysql, should fix here after compatible. + return false + } + + if (origin.Tp == mysql.TypeEnum || origin.Tp == mysql.TypeSet) && + (types.IsTypeTime(to.Tp) || to.Tp == mysql.TypeDuration) { + // TODO: Currently enum/set cast to date/datetime/timestamp/time/bit are not support yet, should fix here after supported. + return false } - return "", nil + + if (types.IsTypeTime(origin.Tp) || origin.Tp == mysql.TypeDuration || origin.Tp == mysql.TypeYear) && + (to.Tp == mysql.TypeEnum || to.Tp == mysql.TypeSet || to.Tp == mysql.TypeBit) { + // TODO: Currently date and time cast to enum/set/bit are not support yet, should fix here after supported. + return false + } + + if (origin.Tp == mysql.TypeFloat || origin.Tp == mysql.TypeDouble) && + (types.IsTypeTime(to.Tp) || to.Tp == mysql.TypeEnum || to.Tp == mysql.TypeSet) { + // TODO: Currently float/double cast to date/datetime/timestamp/enum/set type are not support yet, should fix here after supported. + return false + } + + if origin.Tp == mysql.TypeBit && + (types.IsTypeTime(to.Tp) || to.Tp == mysql.TypeDuration || to.Tp == mysql.TypeEnum || to.Tp == mysql.TypeSet) { + // TODO: Currently bit cast to date/datetime/timestamp/time/enum/set are not support yet, should fix here after supported. + return false + } + + if origin.Tp == mysql.TypeNewDecimal && (to.Tp == mysql.TypeEnum || to.Tp == mysql.TypeSet) { + // TODO: Currently decimal cast to enum/set are not support yet, should fix here after supported. + return false + } + + return true } -// checkModifyTypes checks if the 'origin' type can be modified to 'to' type without the need to -// change or check existing data in the table. -// It returns error if the two types has incompatible charset and collation, different sign, different -// digital/string types, or length of new Flen and Decimal is less than origin. +// checkModifyTypes checks if the 'origin' type can be modified to 'to' type no matter directly change +// or change by reorg. It returns error if the two types are incompatible and correlated change are not +// supported. However, even the two types can be change, if the flag "tidb_enable_change_column_type" not +// set, or the "origin" type contains primary key, error will be returned. func checkModifyTypes(ctx sessionctx.Context, origin *types.FieldType, to *types.FieldType, needRewriteCollationData bool) error { - var needReorg bool - changeColumnValueMsg, err := CheckModifyTypeCompatible(origin, to) + canReorg, changeColumnErrMsg, err := CheckModifyTypeCompatible(origin, to) if err != nil { enableChangeColumnType := ctx.GetSessionVars().EnableChangeColumnType - if len(changeColumnValueMsg) == 0 { + if !canReorg { return errors.Trace(err) } if !enableChangeColumnType { - msg := fmt.Sprintf("%s, and tidb_enable_change_column_type is false", changeColumnValueMsg) + msg := fmt.Sprintf("%s, and tidb_enable_change_column_type is false", changeColumnErrMsg) return errUnsupportedModifyColumn.GenWithStackByArgs(msg) } else if mysql.HasPriKeyFlag(origin.Flag) { msg := "tidb_enable_change_column_type is true and this column has primary key flag" return errUnsupportedModifyColumn.GenWithStackByArgs(msg) } - needReorg = true } err = checkModifyCharsetAndCollation(to.Charset, to.Collate, origin.Charset, origin.Collate, needRewriteCollationData) // column type change can handle the charset change between these two types in the process of the reorg. - if err != nil && errUnsupportedModifyCharset.Equal(err) && needReorg { + if err != nil && errUnsupportedModifyCharset.Equal(err) && canReorg { return nil } return errors.Trace(err) diff --git a/executor/insert_test.go b/executor/insert_test.go index 96247c7a67927..fb4e98e08e4b9 100644 --- a/executor/insert_test.go +++ b/executor/insert_test.go @@ -321,7 +321,7 @@ func (s *testSuite3) TestInsertWrongValueForField(c *C) { tk.MustExec(`drop table if exists t;`) tk.MustExec(`create table t (a year);`) _, err = tk.Exec(`insert into t values(2156);`) - c.Assert(err.Error(), Equals, `[types:1264]Out of range value for column 'a' at row 1`) + c.Assert(err.Error(), Equals, `[types:8033]invalid year`) } func (s *testSuite3) TestInsertDateTimeWithTimeZone(c *C) { diff --git a/session/schema_amender.go b/session/schema_amender.go index f954e86a98611..6af3fada31123 100644 --- a/session/schema_amender.go +++ b/session/schema_amender.go @@ -169,7 +169,7 @@ func colChangeAmendable(colAtStart *model.ColumnInfo, colAtCommit *model.ColumnI if colAtStart.Charset != colAtCommit.Charset || colAtStart.Collate != colAtCommit.Collate { return errors.Trace(errors.Errorf("charset or collate is not matched for column=%v", colAtCommit.Name.String())) } - _, err := ddl.CheckModifyTypeCompatible(&colAtStart.FieldType, &colAtCommit.FieldType) + _, _, err := ddl.CheckModifyTypeCompatible(&colAtStart.FieldType, &colAtCommit.FieldType) if err != nil { return errors.Trace(err) } diff --git a/types/datum.go b/types/datum.go index 3055972491ce9..706692bd68dc2 100644 --- a/types/datum.go +++ b/types/datum.go @@ -1357,11 +1357,8 @@ func (d *Datum) convertToMysqlYear(sc *stmtctx.StatementContext, target *FieldTy y = ret.GetInt64() } y, err = AdjustYear(y, adjust) - if err != nil { - err = ErrOverflow.GenWithStackByArgs("DECIMAL", fmt.Sprintf("(%d, %d)", target.Flen, target.Decimal)) - } ret.SetInt64(y) - return ret, err + return ret, errors.Trace(err) } // ConvertDatumToFloatYear converts datum into MySQL year with float type diff --git a/util/ranger/ranger.go b/util/ranger/ranger.go index 1ffbc3c222a7a..8edc9c775f438 100644 --- a/util/ranger/ranger.go +++ b/util/ranger/ranger.go @@ -94,7 +94,7 @@ func convertPoint(sc *stmtctx.StatementContext, point point, tp *types.FieldType casted, err := point.value.ConvertTo(sc, tp) if err != nil { // see issue #20101: overflow when converting integer to year - if tp.Tp != mysql.TypeYear || !terror.ErrorEqual(err, types.ErrOverflow) { + if tp.Tp != mysql.TypeYear || !terror.ErrorEqual(err, types.ErrInvalidYear) { return point, errors.Trace(err) } } From 8a4b52e3e1e15d955829731718a729646555f94f Mon Sep 17 00:00:00 2001 From: Lei Zhao Date: Fri, 13 Nov 2020 11:16:25 +0800 Subject: [PATCH 0207/1021] store/tikv: fix log of sendTxnHeartBeat (#21017) Signed-off-by: youjiali1995 --- store/tikv/2pc.go | 3 ++- store/tikv/snapshot.go | 4 ++++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index 4a532e2723c4f..47c77816898c4 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -16,6 +16,7 @@ package tikv import ( "bytes" "context" + "encoding/hex" "math" "strings" "sync" @@ -874,7 +875,7 @@ func sendTxnHeartBeat(bo *Backoffer, store *tikvStore, primary []byte, startTS, } cmdResp := resp.Resp.(*pb.TxnHeartBeatResponse) if keyErr := cmdResp.GetError(); keyErr != nil { - return 0, errors.Errorf("txn %d heartbeat fail, primary key = %v, err = %s", startTS, primary, keyErr.Abort) + return 0, errors.Errorf("txn %d heartbeat fail, primary key = %v, err = %s", startTS, hex.EncodeToString(primary), extractKeyErr(keyErr)) } return cmdResp.GetLockTtl(), nil } diff --git a/store/tikv/snapshot.go b/store/tikv/snapshot.go index 827c72873d7d6..3c34b47a79011 100644 --- a/store/tikv/snapshot.go +++ b/store/tikv/snapshot.go @@ -547,6 +547,10 @@ func extractKeyErr(keyErr *pb.KeyError) error { logutil.BgLogger().Warn("2PC failed", zap.Error(err)) return errors.Trace(err) } + if keyErr.TxnNotFound != nil { + err := errors.Errorf("txn %d not found", keyErr.TxnNotFound.StartTs) + return errors.Trace(err) + } return errors.Errorf("unexpected KeyError: %s", keyErr.String()) } From 718f9589a465bd088cd441630ad247161f4f1066 Mon Sep 17 00:00:00 2001 From: lance6716 Date: Fri, 13 Nov 2020 11:43:03 +0800 Subject: [PATCH 0208/1021] ddl, test: fix deadloop in test about doDDLJob (#19815) --- ddl/ddl.go | 11 ++++++----- ddl/restart_test.go | 41 +++++++++++++++++++++++++---------------- 2 files changed, 31 insertions(+), 21 deletions(-) diff --git a/ddl/ddl.go b/ddl/ddl.go index 03890a12e97cc..bcfd4169e8f20 100644 --- a/ddl/ddl.go +++ b/ddl/ddl.go @@ -472,15 +472,16 @@ func (d *ddl) asyncNotifyWorker(jobTp model.ActionType) { } } +// doDDLJob will return +// - nil: found in history DDL job and no job error +// - context.Cancel: job has been sent to worker, but not found in history DDL job before cancel +// - other: found in history DDL job and return that job error func (d *ddl) doDDLJob(ctx sessionctx.Context, job *model.Job) error { - if isChanClosed(d.ctx.Done()) { - return d.ctx.Err() - } - // Get a global job ID and put the DDL job in the queue. job.Query, _ = ctx.Value(sessionctx.QueryString).(string) task := &limitJobTask{job, make(chan error)} d.limitJobCh <- task + // worker should restart to continue handling tasks in limitJobCh, and send back through task.err err := <-task.err ctx.GetSessionVars().StmtCtx.IsDDLJobInQueue = true @@ -512,7 +513,7 @@ func (d *ddl) doDDLJob(ctx sessionctx.Context, job *model.Job) error { case <-ticker.C: case <-d.ctx.Done(): logutil.BgLogger().Error("[ddl] doDDLJob will quit because context done", zap.Error(d.ctx.Err())) - err := d.ctx.Err() + err = d.ctx.Err() return err } diff --git a/ddl/restart_test.go b/ddl/restart_test.go index 489f635ec67f8..b76ebc24dea7f 100644 --- a/ddl/restart_test.go +++ b/ddl/restart_test.go @@ -16,6 +16,7 @@ package ddl import ( "context" + "errors" "time" . "github.com/pingcap/check" @@ -29,8 +30,6 @@ import ( // restartWorkers is like the function of d.start. But it won't initialize the "workers" and create a new worker. // It only starts the original workers. func (d *ddl) restartWorkers(ctx context.Context) { - d.cancel() - d.wg.Wait() d.ctx, d.cancel = context.WithCancel(ctx) d.wg.Add(1) @@ -51,7 +50,7 @@ func (d *ddl) restartWorkers(ctx context.Context) { } // runInterruptedJob should be called concurrently with restartWorkers -func runInterruptedJob(c *C, d *ddl, job *model.Job, doneCh chan struct{}) { +func runInterruptedJob(c *C, d *ddl, job *model.Job, doneCh chan error) { ctx := mock.NewContext() ctx.Store = d.store @@ -60,19 +59,28 @@ func runInterruptedJob(c *C, d *ddl, job *model.Job, doneCh chan struct{}) { err error ) - _ = d.doDDLJob(ctx, job) - - for history == nil { - history, err = d.getHistoryDDLJob(job.ID) - c.Assert(err, IsNil) - time.Sleep(10 * testLease) + err = d.doDDLJob(ctx, job) + if errors.Is(err, context.Canceled) { + endlessLoopTime := time.Now().Add(time.Minute) + for history == nil { + // imitate doDDLJob's logic, quit only find history + history, _ = d.getHistoryDDLJob(job.ID) + if history != nil { + err = history.Error + } + time.Sleep(10 * testLease) + if time.Now().After(endlessLoopTime) { + err = errors.New("runInterruptedJob may enter endless loop") + break + } + } } - c.Assert(history.Error, IsNil) - doneCh <- struct{}{} + + doneCh <- err } func testRunInterruptedJob(c *C, d *ddl, job *model.Job) { - done := make(chan struct{}, 1) + done := make(chan error, 1) go runInterruptedJob(c, d, job, done) ticker := time.NewTicker(d.lease * 1) @@ -84,7 +92,8 @@ LOOP: d.Stop() d.restartWorkers(context.Background()) time.Sleep(time.Millisecond * 20) - case <-done: + case err := <-done: + c.Assert(err, IsNil) break LOOP } } @@ -150,7 +159,7 @@ func (s *testStatSuite) TestStat(c *C) { Args: []interface{}{dbInfo.Name}, } - done := make(chan struct{}, 1) + done := make(chan error, 1) go runInterruptedJob(c, d, job, done) ticker := time.NewTicker(d.lease * 1) @@ -164,10 +173,10 @@ LOOP: c.Assert(s.getDDLSchemaVer(c, d), GreaterEqual, ver) d.restartWorkers(context.Background()) time.Sleep(time.Millisecond * 20) - case <-done: + case err := <-done: // TODO: Get this information from etcd. // m, err := d.Stats(nil) - // c.Assert(err, IsNil) + c.Assert(err, IsNil) break LOOP } } From 2a185ec4cf8861190414aadc715af65e0b52504a Mon Sep 17 00:00:00 2001 From: xiaodong-ji Date: Fri, 13 Nov 2020 12:04:34 +0800 Subject: [PATCH 0209/1021] executor, expression: Fixed the warning messages when calling date_add function failed (#20418) --- executor/executor_test.go | 8 ++ expression/bench_test.go | 4 +- expression/builtin_time.go | 13 ++- expression/builtin_time_vec_test.go | 146 +++++++++++++++++++++++++++- 4 files changed, 166 insertions(+), 5 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index b00f6e53d0523..68c197e5b07c6 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -4506,6 +4506,14 @@ func (s *testSuiteP2) TestStrToDateBuiltin(c *C) { tk.MustQuery(`SELECT STR_TO_DATE('2020-07-04 00:22:33', '%Y-%m-%d %T')`).Check(testkit.Rows("2020-07-04 00:22:33")) } +func (s *testSuiteP2) TestAddDateBuiltinWithWarnings(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("set @@sql_mode='NO_ZERO_DATE'") + result := tk.MustQuery(`select date_add('2001-01-00', interval -2 hour);`) + result.Check(testkit.Rows("")) + tk.MustQuery("show warnings").Check(testutil.RowsWithSep("|", "Warning|1292|Incorrect datetime value: '2001-01-00'")) +} + func (s *testSuiteP2) TestStrToDateBuiltinWithWarnings(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("set @@sql_mode='NO_ZERO_DATE'") diff --git a/expression/bench_test.go b/expression/bench_test.go index 133639f5486d9..edccc58a82f03 100644 --- a/expression/bench_test.go +++ b/expression/bench_test.go @@ -780,10 +780,10 @@ func (g *dateStrGener) gen() interface{} { g.Year = 1970 + g.randGen.Intn(100) } if g.Month == 0 { - g.Month = g.randGen.Intn(10) + 1 + g.Month = g.randGen.Intn(10) } if g.Day == 0 { - g.Day = g.randGen.Intn(20) + 1 + g.Day = g.randGen.Intn(20) } return fmt.Sprintf("%d-%d-%d", g.Year, g.Month, g.Day) diff --git a/expression/builtin_time.go b/expression/builtin_time.go index ce2dd2fde6042..b661f71818ac9 100644 --- a/expression/builtin_time.go +++ b/expression/builtin_time.go @@ -2719,7 +2719,16 @@ func (du *baseDateArithmitical) getDateFromString(ctx sessionctx.Context, args [ sc := ctx.GetSessionVars().StmtCtx date, err := types.ParseTime(sc, dateStr, dateTp, types.MaxFsp) - return date, err != nil, handleInvalidTimeError(ctx, err) + if err != nil { + err = handleInvalidTimeError(ctx, err) + if err != nil { + return types.ZeroTime, true, err + } + return date, true, handleInvalidTimeError(ctx, err) + } else if ctx.GetSessionVars().SQLMode.HasNoZeroDateMode() && (date.Year() == 0 || date.Month() == 0 || date.Day() == 0) { + return types.ZeroTime, true, handleInvalidTimeError(ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, dateStr)) + } + return date, false, handleInvalidTimeError(ctx, err) } func (du *baseDateArithmitical) getDateFromInt(ctx sessionctx.Context, args []Expression, row chunk.Row, unit string) (types.Time, bool, error) { @@ -2997,6 +3006,8 @@ func (du *baseDateArithmitical) vecGetDateFromString(b *baseBuiltinFunc, input * return err } result.SetNull(i, true) + } else if b.ctx.GetSessionVars().SQLMode.HasNoZeroDateMode() && (date.Year() == 0 || date.Month() == 0 || date.Day() == 0) { + return handleInvalidTimeError(b.ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, dateStr)) } else { dates[i] = date } diff --git a/expression/builtin_time_vec_test.go b/expression/builtin_time_vec_test.go index 706caba69e824..a7b2e857fbd00 100644 --- a/expression/builtin_time_vec_test.go +++ b/expression/builtin_time_vec_test.go @@ -240,8 +240,150 @@ var vecBuiltinTimeCases = map[string][]vecExprBenchCase{ constants: []*Constant{{Value: types.NewStringDatum("2019-12-04 00:00:00"), RetType: types.NewFieldType(mysql.TypeString)}}, }, }, - ast.SubDate: {}, - ast.AddDate: {}, + ast.SubDate: { + { + retEvalType: types.ETDatetime, + childrenTypes: []types.EvalType{types.ETString, types.ETString, types.ETString}, + geners: []dataGenerator{ + &dateStrGener{NullRation: 0.2, randGen: newDefaultRandGen()}, + &numStrGener{rangeInt64Gener{math.MinInt32 + 1, math.MaxInt32, newDefaultRandGen()}}, + }, + constants: []*Constant{nil, nil, {Value: types.NewStringDatum("MICROSECOND"), RetType: types.NewFieldType(mysql.TypeString)}}, + chunkSize: 128, + }, + { + retEvalType: types.ETDatetime, + childrenTypes: []types.EvalType{types.ETString, types.ETInt, types.ETString}, + geners: []dataGenerator{ + &dateStrGener{NullRation: 0.2, randGen: newDefaultRandGen()}, + newDefaultGener(0.2, types.ETInt), + }, + constants: []*Constant{nil, nil, {Value: types.NewStringDatum("MICROSECOND"), RetType: types.NewFieldType(mysql.TypeString)}}, + chunkSize: 128, + }, + { + retEvalType: types.ETDatetime, + childrenTypes: []types.EvalType{types.ETString, types.ETReal, types.ETString}, + geners: []dataGenerator{ + &dateStrGener{NullRation: 0.2, randGen: newDefaultRandGen()}, + newDefaultGener(0.2, types.ETReal), + }, + constants: []*Constant{nil, nil, {Value: types.NewStringDatum("MICROSECOND"), RetType: types.NewFieldType(mysql.TypeString)}}, + chunkSize: 128, + }, + { + retEvalType: types.ETDatetime, + childrenTypes: []types.EvalType{types.ETInt, types.ETString, types.ETString}, + geners: []dataGenerator{ + &dateTimeIntGener{dateTimeGener: dateTimeGener{randGen: newDefaultRandGen()}, nullRation: 0.2}, + &numStrGener{rangeInt64Gener{math.MinInt32 + 1, math.MaxInt32, newDefaultRandGen()}}, + }, + constants: []*Constant{nil, nil, {Value: types.NewStringDatum("MICROSECOND"), RetType: types.NewFieldType(mysql.TypeString)}}, + chunkSize: 128, + }, + { + retEvalType: types.ETDatetime, + childrenTypes: []types.EvalType{types.ETInt, types.ETInt, types.ETString}, + geners: []dataGenerator{ + &dateTimeIntGener{dateTimeGener: dateTimeGener{randGen: newDefaultRandGen()}, nullRation: 0.2}, + newDefaultGener(0.2, types.ETInt), + }, + constants: []*Constant{nil, nil, {Value: types.NewStringDatum("MICROSECOND"), RetType: types.NewFieldType(mysql.TypeString)}}, + chunkSize: 128, + }, + { + retEvalType: types.ETDatetime, + childrenTypes: []types.EvalType{types.ETInt, types.ETReal, types.ETString}, + geners: []dataGenerator{ + &dateTimeIntGener{dateTimeGener: dateTimeGener{randGen: newDefaultRandGen()}, nullRation: 0.2}, + newDefaultGener(0.2, types.ETReal), + }, + constants: []*Constant{nil, nil, {Value: types.NewStringDatum("MICROSECOND"), RetType: types.NewFieldType(mysql.TypeString)}}, + chunkSize: 128, + }, + { + retEvalType: types.ETDatetime, + childrenTypes: []types.EvalType{types.ETInt, types.ETDecimal, types.ETString}, + geners: []dataGenerator{ + &dateTimeIntGener{dateTimeGener: dateTimeGener{randGen: newDefaultRandGen()}, nullRation: 0.2}, + newDefaultGener(0.2, types.ETDecimal), + }, + constants: []*Constant{nil, nil, {Value: types.NewStringDatum("MICROSECOND"), RetType: types.NewFieldType(mysql.TypeString)}}, + chunkSize: 128, + }, + }, + ast.AddDate: { + { + retEvalType: types.ETDatetime, + childrenTypes: []types.EvalType{types.ETString, types.ETString, types.ETString}, + geners: []dataGenerator{ + &dateStrGener{NullRation: 0.2, randGen: newDefaultRandGen()}, + &numStrGener{rangeInt64Gener{math.MinInt32 + 1, math.MaxInt32, newDefaultRandGen()}}, + }, + constants: []*Constant{nil, nil, {Value: types.NewStringDatum("MICROSECOND"), RetType: types.NewFieldType(mysql.TypeString)}}, + chunkSize: 128, + }, + { + retEvalType: types.ETDatetime, + childrenTypes: []types.EvalType{types.ETString, types.ETInt, types.ETString}, + geners: []dataGenerator{ + &dateStrGener{NullRation: 0.2, randGen: newDefaultRandGen()}, + newDefaultGener(0.2, types.ETInt), + }, + constants: []*Constant{nil, nil, {Value: types.NewStringDatum("MICROSECOND"), RetType: types.NewFieldType(mysql.TypeString)}}, + chunkSize: 128, + }, + { + retEvalType: types.ETDatetime, + childrenTypes: []types.EvalType{types.ETString, types.ETReal, types.ETString}, + geners: []dataGenerator{ + &dateStrGener{NullRation: 0.2, randGen: newDefaultRandGen()}, + newDefaultGener(0.2, types.ETReal), + }, + constants: []*Constant{nil, nil, {Value: types.NewStringDatum("MICROSECOND"), RetType: types.NewFieldType(mysql.TypeString)}}, + chunkSize: 128, + }, + { + retEvalType: types.ETDatetime, + childrenTypes: []types.EvalType{types.ETString, types.ETDecimal, types.ETString}, + geners: []dataGenerator{ + &dateStrGener{NullRation: 0.2, randGen: newDefaultRandGen()}, + newDefaultGener(0.2, types.ETDecimal), + }, + constants: []*Constant{nil, nil, {Value: types.NewStringDatum("MICROSECOND"), RetType: types.NewFieldType(mysql.TypeString)}}, + chunkSize: 128, + }, + { + retEvalType: types.ETDatetime, + childrenTypes: []types.EvalType{types.ETInt, types.ETString, types.ETString}, + geners: []dataGenerator{ + &dateTimeIntGener{dateTimeGener: dateTimeGener{randGen: newDefaultRandGen()}, nullRation: 0.2}, + &numStrGener{rangeInt64Gener{math.MinInt32 + 1, math.MaxInt32, newDefaultRandGen()}}, + }, + constants: []*Constant{nil, nil, {Value: types.NewStringDatum("MICROSECOND"), RetType: types.NewFieldType(mysql.TypeString)}}, + chunkSize: 128, + }, + { + retEvalType: types.ETDatetime, + childrenTypes: []types.EvalType{types.ETInt, types.ETInt, types.ETString}, + geners: []dataGenerator{ + &dateTimeIntGener{dateTimeGener: dateTimeGener{randGen: newDefaultRandGen()}, nullRation: 0.2}, + newDefaultGener(0.2, types.ETInt), + }, + constants: []*Constant{nil, nil, {Value: types.NewStringDatum("MICROSECOND"), RetType: types.NewFieldType(mysql.TypeString)}}, + chunkSize: 128, + }, + { + retEvalType: types.ETDatetime, + childrenTypes: []types.EvalType{types.ETInt, types.ETReal, types.ETString}, + geners: []dataGenerator{ + &dateTimeIntGener{dateTimeGener: dateTimeGener{randGen: newDefaultRandGen()}, nullRation: 0.2}, + newDefaultGener(0.2, types.ETReal), + }, + constants: []*Constant{nil, nil, {Value: types.NewStringDatum("MICROSECOND"), RetType: types.NewFieldType(mysql.TypeString)}}, + chunkSize: 128, + }, + }, ast.SubTime: { { retEvalType: types.ETString, From 36df6f42c62fe129e7d214ec1dc7a76303509a4a Mon Sep 17 00:00:00 2001 From: Jack Yu Date: Fri, 13 Nov 2020 13:21:57 +0800 Subject: [PATCH 0210/1021] kv: release memory cache if it is too large (#21013) --- kv/cachedb.go | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/kv/cachedb.go b/kv/cachedb.go index f6701131df25a..c4a4d880c2d63 100644 --- a/kv/cachedb.go +++ b/kv/cachedb.go @@ -41,13 +41,13 @@ func (c *cachedb) Set(tableID int64, key Key, value []byte) error { table = newMemDB() c.memTables[tableID] = table } - err := table.Set(key, value) - if err != nil { - return err + if err != nil && ErrTxnTooLarge.Equal(err) { + // If it reaches the upper limit, refresh a new memory buffer. + c.memTables[tableID] = newMemDB() + return nil } - - return nil + return err } // Get gets value from memory @@ -58,9 +58,7 @@ func (c *cachedb) Get(ctx context.Context, tableID int64, key Key) []byte { if val, err := table.Get(ctx, key); err == nil { return val } - return nil } - return nil } From 99bdecc966eb3996a11cead4f84860dd5016b5bf Mon Sep 17 00:00:00 2001 From: baishen Date: Fri, 13 Nov 2020 00:08:36 -0600 Subject: [PATCH 0211/1021] ddl: fix float precision larger than 53 (#20458) --- .../explain_generate_column_substitute.result | 8 +++---- .../t/explain_generate_column_substitute.test | 8 +++---- ddl/column_type_change_test.go | 2 +- errors.toml | 10 ++++++++ expression/integration_test.go | 2 +- planner/core/preprocess.go | 24 +++++++++++++++---- planner/core/preprocess_test.go | 10 ++++++-- types/errors.go | 4 ++++ 8 files changed, 51 insertions(+), 17 deletions(-) diff --git a/cmd/explaintest/r/explain_generate_column_substitute.result b/cmd/explaintest/r/explain_generate_column_substitute.result index 0c5613e2bcff4..803e11973e5a6 100644 --- a/cmd/explaintest/r/explain_generate_column_substitute.result +++ b/cmd/explaintest/r/explain_generate_column_substitute.result @@ -349,14 +349,14 @@ IndexReader_7 10000.00 root index:IndexFullScan_6 └─IndexFullScan_6 10000.00 cop[tikv] table:t0, index:c1(c1) keep order:false, stats:pseudo -- IndexRead drop table if exists t0; -create table t0(c0 double(24), c1 double as (c0) unique); +create table t0(c0 double, c1 double as (c0) unique); explain select c0 from t0; id estRows task access object operator info IndexReader_7 10000.00 root index:IndexFullScan_6 └─IndexFullScan_6 10000.00 cop[tikv] table:t0, index:c1(c1) keep order:false, stats:pseudo -- IndexRead drop table if exists t0; -create table t0(c0 double(25), c1 double as (c0) unique); +create table t0(c0 double, c1 double as (c0) unique); explain select c0 from t0; id estRows task access object operator info IndexReader_7 10000.00 root index:IndexFullScan_6 @@ -377,14 +377,14 @@ TableReader_5 10000.00 root data:TableFullScan_4 └─TableFullScan_4 10000.00 cop[tikv] table:t0 keep order:false, stats:pseudo -- TableRead drop table if exists t0; -create table t0(c0 double(24), c1 float as (c0) unique); +create table t0(c0 double, c1 float as (c0) unique); explain select c0 from t0; id estRows task access object operator info TableReader_5 10000.00 root data:TableFullScan_4 └─TableFullScan_4 10000.00 cop[tikv] table:t0 keep order:false, stats:pseudo -- TableRead drop table if exists t0; -create table t0(c0 double(25), c1 float as (c0) unique); +create table t0(c0 double, c1 float as (c0) unique); explain select c0 from t0; id estRows task access object operator info TableReader_5 10000.00 root data:TableFullScan_4 diff --git a/cmd/explaintest/t/explain_generate_column_substitute.test b/cmd/explaintest/t/explain_generate_column_substitute.test index bf837bd9c5f9b..be6c415db6c72 100644 --- a/cmd/explaintest/t/explain_generate_column_substitute.test +++ b/cmd/explaintest/t/explain_generate_column_substitute.test @@ -152,11 +152,11 @@ create table t0(c0 float(25), c1 double as (c0) unique); explain select c0 from t0; -- IndexRead drop table if exists t0; -create table t0(c0 double(24), c1 double as (c0) unique); +create table t0(c0 double, c1 double as (c0) unique); explain select c0 from t0; -- IndexRead drop table if exists t0; -create table t0(c0 double(25), c1 double as (c0) unique); +create table t0(c0 double, c1 double as (c0) unique); explain select c0 from t0; -- IndexRead drop table if exists t0; @@ -168,9 +168,9 @@ create table t0(c0 float(25), c1 float as (c0) unique); explain select c0 from t0; -- TableRead drop table if exists t0; -create table t0(c0 double(24), c1 float as (c0) unique); +create table t0(c0 double, c1 float as (c0) unique); explain select c0 from t0; -- TableRead drop table if exists t0; -create table t0(c0 double(25), c1 float as (c0) unique); +create table t0(c0 double, c1 float as (c0) unique); explain select c0 from t0; -- TableRead diff --git a/ddl/column_type_change_test.go b/ddl/column_type_change_test.go index b7e4e2209258b..a2d6b1ba825b0 100644 --- a/ddl/column_type_change_test.go +++ b/ddl/column_type_change_test.go @@ -699,7 +699,7 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromNumericToOthers(c *C r real(20, 12), db real(32, 11), f32 float(23), - f64 double(46), + f64 double, b bit(5) ) `) diff --git a/errors.toml b/errors.toml index cb673bd2b0611..937b08bf73834 100644 --- a/errors.toml +++ b/errors.toml @@ -1371,6 +1371,16 @@ error = ''' TiKV max timestamp is not synced ''' +["types:1063"] +error = ''' +Incorrect column specifier for column '%-.192s' +''' + +["types:1064"] +error = ''' +You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use +''' + ["types:1074"] error = ''' Column length too big for column '%-.192s' (max = %d); use BLOB or TEXT instead diff --git a/expression/integration_test.go b/expression/integration_test.go index 5ce80eb7c9af1..63159b0f508a3 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -2387,7 +2387,7 @@ func (s *testIntegrationSuite2) TestBuiltin(c *C) { tk.MustExec(`insert into tb5 (a, b) select * from (select cast(a as json) as a1, b from tb5) as t where t.a1 = t.b;`) tk.MustExec(`drop table tb5;`) - tk.MustExec(`create table tb5(a float(64));`) + tk.MustExec(`create table tb5(a float(53));`) tk.MustExec(`insert into tb5(a) values (13835058055282163712);`) tk.MustQuery(`select convert(t.a1, signed int) from (select convert(a, json) as a1 from tb5) as t`) tk.MustExec(`drop table tb5;`) diff --git a/planner/core/preprocess.go b/planner/core/preprocess.go index 9e8f7db171669..97b436435cfbb 100644 --- a/planner/core/preprocess.go +++ b/planner/core/preprocess.go @@ -827,11 +827,25 @@ func checkColumn(colDef *ast.ColumnDef) error { return err } case mysql.TypeFloat, mysql.TypeDouble: - if tp.Decimal > mysql.MaxFloatingTypeScale { - return types.ErrTooBigScale.GenWithStackByArgs(tp.Decimal, colDef.Name.Name.O, mysql.MaxFloatingTypeScale) - } - if tp.Flen > mysql.MaxFloatingTypeWidth { - return types.ErrTooBigPrecision.GenWithStackByArgs(tp.Flen, colDef.Name.Name.O, mysql.MaxFloatingTypeWidth) + // For FLOAT, the SQL standard permits an optional specification of the precision. + // https://dev.mysql.com/doc/refman/8.0/en/floating-point-types.html + if tp.Decimal == -1 { + if tp.Tp == mysql.TypeDouble { + if tp.Flen != -1 { + return types.ErrSyntax.GenWithStackByArgs() + } + } else { + if tp.Flen > mysql.MaxDoublePrecisionLength { + return types.ErrWrongFieldSpec.GenWithStackByArgs(colDef.Name.Name.O) + } + } + } else { + if tp.Decimal > mysql.MaxFloatingTypeScale { + return types.ErrTooBigScale.GenWithStackByArgs(tp.Decimal, colDef.Name.Name.O, mysql.MaxFloatingTypeScale) + } + if tp.Flen > mysql.MaxFloatingTypeWidth { + return types.ErrTooBigDisplayWidth.GenWithStackByArgs(colDef.Name.Name.O, mysql.MaxFloatingTypeWidth) + } } case mysql.TypeSet: if len(tp.Elems) > mysql.MaxTypeSetMembers { diff --git a/planner/core/preprocess_test.go b/planner/core/preprocess_test.go index 459952aee5cdd..442dcee025b30 100644 --- a/planner/core/preprocess_test.go +++ b/planner/core/preprocess_test.go @@ -218,11 +218,17 @@ func (s *testValidatorSuite) TestValidator(c *C) { {"CREATE TABLE t (a float(255, 30))", true, nil}, {"CREATE TABLE t (a double(255, 30))", true, nil}, - {"CREATE TABLE t (a float(256, 30))", false, types.ErrTooBigPrecision}, + {"CREATE TABLE t (a float(256, 30))", false, types.ErrTooBigDisplayWidth}, {"CREATE TABLE t (a float(255, 31))", false, types.ErrTooBigScale}, - {"CREATE TABLE t (a double(256, 30))", false, types.ErrTooBigPrecision}, + {"CREATE TABLE t (a double(256, 30))", false, types.ErrTooBigDisplayWidth}, {"CREATE TABLE t (a double(255, 31))", false, types.ErrTooBigScale}, + // issue 20447 + {"CREATE TABLE t (a float(53))", true, nil}, + {"CREATE TABLE t (a float(54))", false, types.ErrWrongFieldSpec}, + {"CREATE TABLE t (a double)", true, nil}, + {"CREATE TABLE t (a double(54))", false, types.ErrSyntax}, + // FIXME: temporary 'not implemented yet' test for 'CREATE TABLE ... SELECT' (issue 4754) {"CREATE TABLE t SELECT * FROM u", false, errors.New("'CREATE TABLE ... SELECT' is not implemented yet")}, {"CREATE TABLE t (m int) SELECT * FROM u", false, errors.New("'CREATE TABLE ... SELECT' is not implemented yet")}, diff --git a/types/errors.go b/types/errors.go index b8033b1e07b7a..12f6fc5edec95 100644 --- a/types/errors.go +++ b/types/errors.go @@ -73,6 +73,10 @@ var ( ErrTruncatedWrongVal = dbterror.ClassTypes.NewStd(mysql.ErrTruncatedWrongValue) // ErrInvalidWeekModeFormat is returned when the week mode is wrong. ErrInvalidWeekModeFormat = dbterror.ClassTypes.NewStd(mysql.ErrInvalidWeekModeFormat) + // ErrWrongFieldSpec is returned when the column specifier incorrect. + ErrWrongFieldSpec = dbterror.ClassTypes.NewStd(mysql.ErrWrongFieldSpec) + // ErrSyntax is returned when the syntax is not allowed. + ErrSyntax = dbterror.ClassTypes.NewStdErr(mysql.ErrParse, mysql.MySQLErrName[mysql.ErrSyntax]) // ErrWrongValue is returned when the input value is in wrong format. ErrWrongValue = dbterror.ClassTypes.NewStdErr(mysql.ErrTruncatedWrongValue, mysql.MySQLErrName[mysql.ErrWrongValue]) // ErrWrongValueForType is returned when the input value is in wrong format for function. From 50807307157b57892d5be68d02626dd633a9d99f Mon Sep 17 00:00:00 2001 From: tangenta Date: Fri, 13 Nov 2020 15:26:25 +0800 Subject: [PATCH 0212/1021] executor: fix the display of large unsigned handle when show table regions (#21026) --- executor/show_test.go | 22 +++++++++++++++++++++ executor/split.go | 45 ++++++++++++++++++++++++++++--------------- 2 files changed, 51 insertions(+), 16 deletions(-) diff --git a/executor/show_test.go b/executor/show_test.go index eba46c29b0af7..9803bd0c49179 100644 --- a/executor/show_test.go +++ b/executor/show_test.go @@ -16,6 +16,7 @@ package executor_test import ( "context" "fmt" + "strings" . "github.com/pingcap/check" "github.com/pingcap/errors" @@ -1010,6 +1011,27 @@ func (s *testAutoRandomSuite) TestAutoRandomBase(c *C) { )) } +func (s *testSerialSuite) TestAutoRandomWithLargeSignedShowTableRegions(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("create database if not exists auto_random_db;") + defer tk.MustExec("drop database if exists auto_random_db;") + tk.MustExec("use auto_random_db;") + tk.MustExec("drop table if exists t;") + + testutil.ConfigTestUtils.SetupAutoRandomTestConfig() + defer testutil.ConfigTestUtils.RestoreAutoRandomTestConfig() + tk.MustExec("create table t (a bigint unsigned auto_random primary key);") + tk.MustExec("set @@global.tidb_scatter_region=1;") + // 18446744073709541615 is MaxUint64 - 10000. + // 18446744073709551615 is the MaxUint64. + tk.MustQuery("split table t between (18446744073709541615) and (18446744073709551615) regions 2;"). + Check(testkit.Rows("1 1")) + startKey := tk.MustQuery("show table t regions;").Rows()[1][1].(string) + idx := strings.Index(startKey, "_r_") + c.Assert(idx == -1, IsFalse) + c.Assert(startKey[idx+3] == '-', IsFalse, Commentf("actual key: %s", startKey)) +} + func (s *testSuite5) TestShowEscape(c *C) { tk := testkit.NewTestKit(c, s.store) diff --git a/executor/split.go b/executor/split.go index 992e7a4fdd67a..afc549a60d139 100644 --- a/executor/split.go +++ b/executor/split.go @@ -627,6 +627,11 @@ func getPhysicalTableRegions(physicalTableID int64, tableInfo *model.TableInfo, if uniqueRegionMap == nil { uniqueRegionMap = make(map[uint64]struct{}) } + // This is used to decode the int handle properly. + var hasUnsignedIntHandle bool + if pkInfo := tableInfo.GetPkColInfo(); pkInfo != nil { + hasUnsignedIntHandle = mysql.HasUnsignedFlag(pkInfo.Flag) + } // for record startKey, endKey := tablecodec.GetTableHandleKeyRange(physicalTableID) regionCache := tikvStore.GetRegionCache() @@ -636,7 +641,7 @@ func getPhysicalTableRegions(physicalTableID int64, tableInfo *model.TableInfo, } recordPrefix := tablecodec.GenTableRecordPrefix(physicalTableID) tablePrefix := tablecodec.GenTablePrefix(physicalTableID) - recordRegions, err := getRegionMeta(tikvStore, recordRegionMetas, uniqueRegionMap, tablePrefix, recordPrefix, nil, physicalTableID, 0) + recordRegions, err := getRegionMeta(tikvStore, recordRegionMetas, uniqueRegionMap, tablePrefix, recordPrefix, nil, physicalTableID, 0, hasUnsignedIntHandle) if err != nil { return nil, err } @@ -653,7 +658,7 @@ func getPhysicalTableRegions(physicalTableID int64, tableInfo *model.TableInfo, return nil, err } indexPrefix := tablecodec.EncodeTableIndexPrefix(physicalTableID, index.ID) - indexRegions, err := getRegionMeta(tikvStore, regionMetas, uniqueRegionMap, tablePrefix, recordPrefix, indexPrefix, physicalTableID, index.ID) + indexRegions, err := getRegionMeta(tikvStore, regionMetas, uniqueRegionMap, tablePrefix, recordPrefix, indexPrefix, physicalTableID, index.ID, hasUnsignedIntHandle) if err != nil { return nil, err } @@ -680,7 +685,7 @@ func getPhysicalIndexRegions(physicalTableID int64, indexInfo *model.IndexInfo, recordPrefix := tablecodec.GenTableRecordPrefix(physicalTableID) tablePrefix := tablecodec.GenTablePrefix(physicalTableID) indexPrefix := tablecodec.EncodeTableIndexPrefix(physicalTableID, indexInfo.ID) - indexRegions, err := getRegionMeta(tikvStore, regions, uniqueRegionMap, tablePrefix, recordPrefix, indexPrefix, physicalTableID, indexInfo.ID) + indexRegions, err := getRegionMeta(tikvStore, regions, uniqueRegionMap, tablePrefix, recordPrefix, indexPrefix, physicalTableID, indexInfo.ID, false) if err != nil { return nil, err } @@ -702,13 +707,15 @@ func checkRegionsStatus(store kv.SplittableStore, regions []regionMeta) error { return nil } -func decodeRegionsKey(regions []regionMeta, tablePrefix, recordPrefix, indexPrefix []byte, physicalTableID, indexID int64) { +func decodeRegionsKey(regions []regionMeta, tablePrefix, recordPrefix, indexPrefix []byte, + physicalTableID, indexID int64, hasUnsignedIntHandle bool) { d := ®ionKeyDecoder{ - physicalTableID: physicalTableID, - tablePrefix: tablePrefix, - recordPrefix: recordPrefix, - indexPrefix: indexPrefix, - indexID: indexID, + physicalTableID: physicalTableID, + tablePrefix: tablePrefix, + recordPrefix: recordPrefix, + indexPrefix: indexPrefix, + indexID: indexID, + hasUnsignedIntHandle: hasUnsignedIntHandle, } for i := range regions { regions[i].start = d.decodeRegionKey(regions[i].region.StartKey) @@ -717,11 +724,12 @@ func decodeRegionsKey(regions []regionMeta, tablePrefix, recordPrefix, indexPref } type regionKeyDecoder struct { - physicalTableID int64 - tablePrefix []byte - recordPrefix []byte - indexPrefix []byte - indexID int64 + physicalTableID int64 + tablePrefix []byte + recordPrefix []byte + indexPrefix []byte + indexID int64 + hasUnsignedIntHandle bool } func (d *regionKeyDecoder) decodeRegionKey(key []byte) string { @@ -735,6 +743,9 @@ func (d *regionKeyDecoder) decodeRegionKey(key []byte) string { if isIntHandle { _, handle, err := codec.DecodeInt(key[len(d.recordPrefix):]) if err == nil { + if d.hasUnsignedIntHandle { + return fmt.Sprintf("t_%d_r_%d", d.physicalTableID, uint64(handle)) + } return fmt.Sprintf("t_%d_r_%d", d.physicalTableID, handle) } } @@ -765,7 +776,9 @@ func (d *regionKeyDecoder) decodeRegionKey(key []byte) string { return fmt.Sprintf("%x", key) } -func getRegionMeta(tikvStore tikv.Storage, regionMetas []*tikv.Region, uniqueRegionMap map[uint64]struct{}, tablePrefix, recordPrefix, indexPrefix []byte, physicalTableID, indexID int64) ([]regionMeta, error) { +func getRegionMeta(tikvStore tikv.Storage, regionMetas []*tikv.Region, uniqueRegionMap map[uint64]struct{}, + tablePrefix, recordPrefix, indexPrefix []byte, physicalTableID, indexID int64, + hasUnsignedIntHandle bool) ([]regionMeta, error) { regions := make([]regionMeta, 0, len(regionMetas)) for _, r := range regionMetas { if _, ok := uniqueRegionMap[r.GetID()]; ok { @@ -782,7 +795,7 @@ func getRegionMeta(tikvStore tikv.Storage, regionMetas []*tikv.Region, uniqueReg if err != nil { return regions, err } - decodeRegionsKey(regions, tablePrefix, recordPrefix, indexPrefix, physicalTableID, indexID) + decodeRegionsKey(regions, tablePrefix, recordPrefix, indexPrefix, physicalTableID, indexID, hasUnsignedIntHandle) return regions, nil } From 6e3d2ecb48a931e835ad4826013e915051c6ebc4 Mon Sep 17 00:00:00 2001 From: Zhuhe Fang Date: Fri, 13 Nov 2020 15:42:19 +0800 Subject: [PATCH 0213/1021] expression: avoid unnecessary warnings/errors when folding constants in shortcut-able expressions (#19797) --- expression/function_traits.go | 10 +++++++--- expression/integration_test.go | 9 +++++++++ planner/core/expression_rewriter.go | 10 ++++++++++ 3 files changed, 26 insertions(+), 3 deletions(-) diff --git a/expression/function_traits.go b/expression/function_traits.go index 12631d357e6ff..8ba1ea7d0b91e 100644 --- a/expression/function_traits.go +++ b/expression/function_traits.go @@ -60,9 +60,13 @@ var DisableFoldFunctions = map[string]struct{}{ // otherwise, the child functions do not fold constant. // Note: the function itself should fold constant. var TryFoldFunctions = map[string]struct{}{ - ast.If: {}, - ast.Ifnull: {}, - ast.Case: {}, + ast.If: {}, + ast.Ifnull: {}, + ast.Case: {}, + ast.LogicAnd: {}, + ast.LogicOr: {}, + ast.Coalesce: {}, + ast.Interval: {}, } // IllegalFunctions4GeneratedColumns stores functions that is illegal for generated columns. diff --git a/expression/integration_test.go b/expression/integration_test.go index 63159b0f508a3..02e18b492e4d8 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -2899,6 +2899,15 @@ func (s *testIntegrationSuite2) TestBuiltin(c *C) { tk.MustQuery("select 1 or b/0 from t") tk.MustQuery("show warnings").Check(testkit.Rows()) + tk.MustQuery("select 1 or 1/0") + tk.MustQuery("show warnings").Check(testkit.Rows()) + tk.MustQuery("select 0 and 1/0") + tk.MustQuery("show warnings").Check(testkit.Rows()) + tk.MustQuery("select COALESCE(1, 1/0)") + tk.MustQuery("show warnings").Check(testkit.Rows()) + tk.MustQuery("select interval(1,0,1,2,1/0)") + tk.MustQuery("show warnings").Check(testkit.Rows()) + tk.MustQuery("select case 2.0 when 2.0 then 3.0 when 3.0 then 2.0 end").Check(testkit.Rows("3.0")) tk.MustQuery("select case 2.0 when 3.0 then 2.0 when 4.0 then 3.0 else 5.0 end").Check(testkit.Rows("5.0")) tk.MustQuery("select case cast('2011-01-01' as date) when cast('2011-01-01' as date) then cast('2011-02-02' as date) end").Check(testkit.Rows("2011-02-02")) diff --git a/planner/core/expression_rewriter.go b/planner/core/expression_rewriter.go index 2ca683182b78b..a8e04c2999bd2 100644 --- a/planner/core/expression_rewriter.go +++ b/planner/core/expression_rewriter.go @@ -410,6 +410,7 @@ func (er *expressionRewriter) Enter(inNode ast.Node) (ast.Node, bool) { er.ctxStackAppend(er.schema.Columns[index], er.names[index]) return inNode, true case *ast.FuncCallExpr: + er.asScalar = true if _, ok := expression.DisableFoldFunctions[v.FnName.L]; ok { er.disableFoldCounter++ } @@ -417,12 +418,18 @@ func (er *expressionRewriter) Enter(inNode ast.Node) (ast.Node, bool) { er.tryFoldCounter++ } case *ast.CaseExpr: + er.asScalar = true if _, ok := expression.DisableFoldFunctions["case"]; ok { er.disableFoldCounter++ } if _, ok := expression.TryFoldFunctions["case"]; ok { er.tryFoldCounter++ } + case *ast.BinaryOperationExpr: + er.asScalar = true + if v.Op == opcode.LogicAnd || v.Op == opcode.LogicOr { + er.tryFoldCounter++ + } case *ast.SetCollationExpr: // Do nothing default: @@ -1021,6 +1028,9 @@ func (er *expressionRewriter) Leave(originInNode ast.Node) (retNode ast.Node, ok case *ast.UnaryOperationExpr: er.unaryOpToExpression(v) case *ast.BinaryOperationExpr: + if v.Op == opcode.LogicAnd || v.Op == opcode.LogicOr { + er.tryFoldCounter-- + } er.binaryOpToExpression(v) case *ast.BetweenExpr: er.betweenToExpression(v) From d1bc99547db613f6909267e45d8b908bd2e4169a Mon Sep 17 00:00:00 2001 From: kennytm Date: Fri, 13 Nov 2020 17:26:05 +0800 Subject: [PATCH 0214/1021] unistore: remove remaining juju/errors dependencies (#20744) --- go.mod | 2 - go.sum | 60 ++----------------- .../mockstore/unistore/cophandler/analyze.go | 2 +- .../unistore/cophandler/closure_exec.go | 2 +- store/mockstore/unistore/cophandler/topn.go | 2 +- 5 files changed, 7 insertions(+), 61 deletions(-) diff --git a/go.mod b/go.mod index 8018abb0cd058..4079101896b74 100644 --- a/go.mod +++ b/go.mod @@ -30,8 +30,6 @@ require ( github.com/grpc-ecosystem/go-grpc-middleware v1.1.0 github.com/grpc-ecosystem/grpc-gateway v1.14.3 // indirect github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334 - github.com/juju/errors v0.0.0-20200330140219-3fe23663418f - github.com/juju/testing v0.0.0-20200923013621-75df6121fbb0 // indirect github.com/klauspost/cpuid v1.2.1 github.com/mattn/go-colorable v0.1.6 // indirect github.com/montanaflynn/stats v0.5.0 // indirect diff --git a/go.sum b/go.sum index c124557a87ae3..c999e41d85b47 100644 --- a/go.sum +++ b/go.sum @@ -96,7 +96,6 @@ github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwc github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY= -github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= github.com/cznic/golex v0.0.0-20181122101858-9c343928389c/go.mod h1:+bmmJDNmKlhWNG+gwWCkaBoTy39Fs+bzRxVBzoTQbIc= github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548 h1:iwZdTE0PVqJCos1vaoKsclOGD3ADKpshg3SRtYBbwso= github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548/go.mod h1:e6NPNENfs9mPDVNRekM7lKScauxd5kXTr1Mfyig6TDM= @@ -279,34 +278,8 @@ github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/u github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU= github.com/jstemmer/go-junit-report v0.9.1 h1:6QPYqodiu3GuPL+7mfx+NwDdp2eTkp9IfEUpgAwUN0o= github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk= -github.com/juju/ansiterm v0.0.0-20160907234532-b99631de12cf/go.mod h1:UJSiEoRfvx3hP73CvoARgeLjaIOjybY9vj8PUPPFGeU= -github.com/juju/clock v0.0.0-20190205081909-9c5c9712527c/go.mod h1:nD0vlnrUjcjJhqN5WuCWZyzfd5AHZAC9/ajvbSx69xA= -github.com/juju/cmd v0.0.0-20171107070456-e74f39857ca0/go.mod h1:yWJQHl73rdSX4DHVKGqkAip+huBslxRwS8m9CrOLq18= -github.com/juju/collections v0.0.0-20200605021417-0d0ec82b7271/go.mod h1:5XgO71dV1JClcOJE+4dzdn4HrI5LiyKd7PlVG6eZYhY= -github.com/juju/errors v0.0.0-20150916125642-1b5e39b83d18/go.mod h1:W54LbzXuIE0boCoNJfwqpmkKJ1O4TCTZMetAt6jGk7Q= -github.com/juju/errors v0.0.0-20200330140219-3fe23663418f h1:MCOvExGLpaSIzLYB4iQXEHP4jYVU6vmzLNQPdMVrxnM= -github.com/juju/errors v0.0.0-20200330140219-3fe23663418f/go.mod h1:W54LbzXuIE0boCoNJfwqpmkKJ1O4TCTZMetAt6jGk7Q= -github.com/juju/gnuflag v0.0.0-20171113085948-2ce1bb71843d/go.mod h1:2PavIy+JPciBPrBUjwbNvtwB6RQlve+hkpll6QSNmOE= -github.com/juju/httpprof v0.0.0-20141217160036-14bf14c30767/go.mod h1:+MaLYz4PumRkkyHYeXJ2G5g5cIW0sli2bOfpmbaMV/g= -github.com/juju/loggo v0.0.0-20170605014607-8232ab8918d9/go.mod h1:vgyd7OREkbtVEN/8IXZe5Ooef3LQePvuBm9UWj6ZL8U= -github.com/juju/loggo v0.0.0-20200526014432-9ce3a2e09b5e h1:FdDd7bdI6cjq5vaoYlK1mfQYfF9sF2VZw8VEZMsl5t8= -github.com/juju/loggo v0.0.0-20200526014432-9ce3a2e09b5e/go.mod h1:vgyd7OREkbtVEN/8IXZe5Ooef3LQePvuBm9UWj6ZL8U= -github.com/juju/mutex v0.0.0-20171110020013-1fe2a4bf0a3a/go.mod h1:Y3oOzHH8CQ0Ppt0oCKJ2JFO81/EsWenH5AEqigLH+yY= github.com/juju/ratelimit v1.0.1 h1:+7AIFJVQ0EQgq/K9+0Krm7m530Du7tIz0METWzN0RgY= github.com/juju/ratelimit v1.0.1/go.mod h1:qapgC/Gy+xNh9UxzV13HGGl/6UXNN+ct+vwSgWNm/qk= -github.com/juju/retry v0.0.0-20151029024821-62c620325291/go.mod h1:OohPQGsr4pnxwD5YljhQ+TZnuVRYpa5irjugL1Yuif4= -github.com/juju/retry v0.0.0-20180821225755-9058e192b216/go.mod h1:OohPQGsr4pnxwD5YljhQ+TZnuVRYpa5irjugL1Yuif4= -github.com/juju/testing v0.0.0-20180402130637-44801989f0f7/go.mod h1:63prj8cnj0tU0S9OHjGJn+b1h0ZghCndfnbQolrYTwA= -github.com/juju/testing v0.0.0-20190723135506-ce30eb24acd2/go.mod h1:63prj8cnj0tU0S9OHjGJn+b1h0ZghCndfnbQolrYTwA= -github.com/juju/testing v0.0.0-20200923013621-75df6121fbb0 h1:ZNHhUeJYnc98o0ZpU7/c2TBuQokG5TBiDx8UvhDTIt0= -github.com/juju/testing v0.0.0-20200923013621-75df6121fbb0/go.mod h1:Ky6DwobyXXeXSqRJCCuHpAtVEGRPOT8gUsFpJhDoXZ8= -github.com/juju/utils v0.0.0-20180424094159-2000ea4ff043/go.mod h1:6/KLg8Wz/y2KVGWEpkK9vMNGkOnu4k/cqs8Z1fKjTOk= -github.com/juju/utils v0.0.0-20200116185830-d40c2fe10647/go.mod h1:6/KLg8Wz/y2KVGWEpkK9vMNGkOnu4k/cqs8Z1fKjTOk= -github.com/juju/utils/v2 v2.0.0-20200923005554-4646bfea2ef1/go.mod h1:fdlDtQlzundleLLz/ggoYinEt/LmnrpNKcNTABQATNI= -github.com/juju/version v0.0.0-20161031051906-1f41e27e54f2/go.mod h1:kE8gK5X0CImdr7qpSKl3xB2PmpySSmfj7zVbkZFs81U= -github.com/juju/version v0.0.0-20180108022336-b64dbd566305/go.mod h1:kE8gK5X0CImdr7qpSKl3xB2PmpySSmfj7zVbkZFs81U= -github.com/juju/version v0.0.0-20191219164919-81c1be00b9a6/go.mod h1:kE8gK5X0CImdr7qpSKl3xB2PmpySSmfj7zVbkZFs81U= -github.com/julienschmidt/httprouter v1.1.1-0.20151013225520-77a895ad01eb/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w= github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w= github.com/kisielk/errcheck v1.1.0/go.mod h1:EZBBE59ingxPouuu3KfxchcWSUPOHkagtvWXihfKN4Q= github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00= @@ -324,27 +297,19 @@ github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI= github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI= github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= github.com/kr/pty v1.1.5/go.mod h1:9r2w37qlBe7rQ6e1fg1S/9xpWHSnaqNdHD3WcMdbPDA= +github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= -github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= -github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE= github.com/leodido/go-urn v1.1.0/go.mod h1:+cyI34gQWZcE1eQU7NVgKkkzdXDQHr1dBMtdAPozLkw= github.com/lib/pq v1.1.1/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo= -github.com/lunixbochs/vtclean v0.0.0-20160125035106-4fbf7632a2c6/go.mod h1:pHhQNgMf3btfWnGBVipUOjRYhoOsdGqdm/+2c2E2WMI= github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ= github.com/mailru/easyjson v0.0.0-20180823135443-60711f1a8329/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc= github.com/mailru/easyjson v0.0.0-20190614124828-94de47d64c63/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc= github.com/mailru/easyjson v0.0.0-20190626092158-b2ccc519800e/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc= -github.com/masterzen/azure-sdk-for-go v3.2.0-beta.0.20161014135628-ee4f0065d00c+incompatible/go.mod h1:mf8fjOu33zCqxUjuiU3I8S1lJMyEAlH+0F2+M5xl3hE= -github.com/masterzen/simplexml v0.0.0-20160608183007-4572e39b1ab9/go.mod h1:kCEbxUJlNDEBNbdQMkPSp6yaKcRXVI6f4ddk8Riv4bc= -github.com/masterzen/winrm v0.0.0-20161014151040-7a535cd943fc/go.mod h1:CfZSN7zwz5gJiFhZJz49Uzk7mEBHIceWmbFmYx7Hf7E= -github.com/masterzen/xmlpath v0.0.0-20140218185901-13f4951698ad/go.mod h1:A0zPC53iKKKcXYxr4ROjpQRQ5FgJXtelNdSmHHuq/tY= -github.com/mattn/go-colorable v0.0.6/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU= github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU= github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE= github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE= github.com/mattn/go-colorable v0.1.6 h1:6Su7aK7lXmJ/U79bYtBjLNaha4Fs1Rg9plHpcH+vvnE= github.com/mattn/go-colorable v0.1.6/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc= -github.com/mattn/go-isatty v0.0.0-20160806122752-66b8e73f3f5c/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4= github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4= github.com/mattn/go-isatty v0.0.7/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s= github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s= @@ -384,9 +349,6 @@ github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef/go.mod h1:7WjlapSfwQyo github.com/ngaut/unistore v0.0.0-20201026053041-4333e8d852f1 h1:WHACEcI4Om4RVVUCssGTUwvJeF2CTuHHLmxr2h3joWQ= github.com/ngaut/unistore v0.0.0-20201026053041-4333e8d852f1/go.mod h1:ZR3NH+HzqfiYetwdoAivApnIy8iefPZHTMLfrFNm8g4= github.com/nicksnyder/go-i18n v1.10.0/go.mod h1:HrK7VCrbOvQoUAQ7Vpy7i87N7JZZZ7R2xBGjv0j365Q= -github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs= -github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno= -github.com/nu7hatch/gouuid v0.0.0-20131221200532-179d4d0c4d8d/go.mod h1:YUTz3bUH2ZwIWBy3CJBeOBEugqcmXREj14T+iG/4k4U= github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U= github.com/olekukonko/tablewriter v0.0.0-20170122224234-a0225b3f23b5/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo= github.com/olekukonko/tablewriter v0.0.4/go.mod h1:zq6QwlOf5SlnkVbMSr5EoBv3636FWnp+qbPhuoO21uA= @@ -626,7 +588,6 @@ go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM= go.uber.org/zap v1.15.0/go.mod h1:Mb2vm2krFEG5DV0W9qcHBYFtp/Wku1cvYaqPsS/WYfc= go.uber.org/zap v1.16.0 h1:uFRZXykJGK9lLY4HtgSw44DnIcAM+kRBP7x5m+NpAOM= go.uber.org/zap v1.16.0/go.mod h1:MA8QOfq0BHJwdXa996Y4dYkAqRKB8/1K1QMMZVaNZjQ= -golang.org/x/crypto v0.0.0-20180214000028-650f4a345ab4/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= @@ -637,9 +598,8 @@ golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8U golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20191205180655-e7c4368fe9dd/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/crypto v0.0.0-20200204104054-c9f3fb736b72/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= +golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI= golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= -golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a h1:vclmkQCjlDX5OydZ9wv8rBCcS0QyQY66Mpf/7BZbInM= -golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8= @@ -669,7 +629,6 @@ golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzB golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4= golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= -golang.org/x/net v0.0.0-20180406214816-61147c48b25b/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= @@ -844,29 +803,21 @@ gopkg.in/alecthomas/gometalinter.v2 v2.0.12/go.mod h1:NDRytsqEZyolNuAgTzJkZMkSQM gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw= gopkg.in/alecthomas/kingpin.v3-unstable v3.0.0-20180810215634-df19058c872c/go.mod h1:3HH7i1SgMqlzxCcBmUHW657sD4Kvv9sC3HpL3YukzwA= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= -gopkg.in/check.v1 v1.0.0-20160105164936-4f90aeace3a2/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo= gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= -gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b h1:QRR6H1YWRnHb4Y/HeNFCTJLFVxaq6wH4YuVdsUOr75U= -gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw= -gopkg.in/errgo.v1 v1.0.0-20161222125816-442357a80af5/go.mod h1:u0ALmqvLRxLI95fkdCEWrE6mhWYZW1aMOJHp5YXLHTg= gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI= gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4= gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE= gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y= gopkg.in/go-playground/validator.v9 v9.29.1/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ= -gopkg.in/httprequest.v1 v1.1.1/go.mod h1:/CkavNL+g3qLOrpFHVrEx4NKepeqR4XTZWNj4sGGjz0= -gopkg.in/mgo.v2 v2.0.0-20160818015218-f2b6f6c918c4/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA= -gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22 h1:VpOs+IwYnYBaFnrNAeB8UUWtL3vEUnzSCL1nVjPhqrw= -gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA= gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8= gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k= gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= -gopkg.in/yaml.v2 v2.0.0-20170712054546-1be3d31502d6/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74= gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74= gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= @@ -874,9 +825,8 @@ gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10= gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= -gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU= -gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= @@ -885,8 +835,6 @@ honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt honnef.co/go/tools v0.0.1-2020.1.6 h1:W18jzjh8mfPez+AwGLxmOImucz/IFjpNlrKVnaj2YVc= honnef.co/go/tools v0.0.1-2020.1.6/go.mod h1:pyyisuGw24ruLjrr1ddx39WE0y9OooInRzEYLhQB2YY= k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I= -launchpad.net/gocheck v0.0.0-20140225173054-000000000087/go.mod h1:hj7XX3B/0A+80Vse0e+BUHsHMTEhd0O4cpUHr/e/BUM= -launchpad.net/xmlpath v0.0.0-20130614043138-000000000004/go.mod h1:vqyExLOM3qBx7mvYRkoxjSCF945s0mbe7YynlKYXtsA= rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o= sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q= diff --git a/store/mockstore/unistore/cophandler/analyze.go b/store/mockstore/unistore/cophandler/analyze.go index 4c9aaf92a7a7b..47275b3d91b42 100644 --- a/store/mockstore/unistore/cophandler/analyze.go +++ b/store/mockstore/unistore/cophandler/analyze.go @@ -18,9 +18,9 @@ import ( "time" "github.com/golang/protobuf/proto" - "github.com/juju/errors" "github.com/ngaut/unistore/tikv/dbreader" "github.com/pingcap/badger/y" + "github.com/pingcap/errors" "github.com/pingcap/kvproto/pkg/coprocessor" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/charset" diff --git a/store/mockstore/unistore/cophandler/closure_exec.go b/store/mockstore/unistore/cophandler/closure_exec.go index e92a273c19040..0b0ee64d052f6 100644 --- a/store/mockstore/unistore/cophandler/closure_exec.go +++ b/store/mockstore/unistore/cophandler/closure_exec.go @@ -20,9 +20,9 @@ import ( "sort" "time" - "github.com/juju/errors" "github.com/ngaut/unistore/tikv/dbreader" "github.com/ngaut/unistore/tikv/mvcc" + "github.com/pingcap/errors" "github.com/pingcap/kvproto/pkg/kvrpcpb" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" diff --git a/store/mockstore/unistore/cophandler/topn.go b/store/mockstore/unistore/cophandler/topn.go index e19625c8e4162..f7ad71c946b1c 100644 --- a/store/mockstore/unistore/cophandler/topn.go +++ b/store/mockstore/unistore/cophandler/topn.go @@ -16,7 +16,7 @@ package cophandler import ( "container/heap" - "github.com/juju/errors" + "github.com/pingcap/errors" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/types" tipb "github.com/pingcap/tipb/go-tipb" From 5aada1f4efb6314b7f2429594d7092165e7f76e2 Mon Sep 17 00:00:00 2001 From: xiaodong-ji Date: Fri, 13 Nov 2020 17:53:34 +0800 Subject: [PATCH 0215/1021] planner: add unit test for tidb_opt_prefer_range_scan variable (#20672) --- planner/core/physical_plan_test.go | 88 +++++++++++++++++++++++ planner/core/testdata/plan_suite_in.json | 12 ++++ planner/core/testdata/plan_suite_out.json | 26 +++++++ 3 files changed, 126 insertions(+) diff --git a/planner/core/physical_plan_test.go b/planner/core/physical_plan_test.go index e9c8547015f70..62519e84ba530 100644 --- a/planner/core/physical_plan_test.go +++ b/planner/core/physical_plan_test.go @@ -1643,3 +1643,91 @@ func (s *testPlanSuite) TestNthPlanHintWithExplain(c *C) { // hold in the future, you may need to modify this. tk.MustQuery("explain select * from test.tt where a=1 and b=1").Check(testkit.Rows(output[1].Plan...)) } + +func (s *testPlanSuite) TestPreferRangeScanOff(c *C) { + var ( + input []string + output []struct { + SQL string + Plan []string + Result []string + } + ) + s.testData.GetTestCases(c, &input, &output) + store, dom, err := newStoreWithBootstrap() + c.Assert(err, IsNil) + defer func() { + dom.Close() + store.Close() + }() + tk := testkit.NewTestKit(c, store) + tk.MustExec("use test") + tk.MustExec("drop table if exists test;") + tk.MustExec("create table test(`id` int(10) NOT NULL AUTO_INCREMENT,`name` varchar(50) NOT NULL DEFAULT 'tidb',`age` int(11) NOT NULL,`addr` varchar(50) DEFAULT 'The ocean of stars',PRIMARY KEY (`id`),KEY `idx_age` (`age`))") + tk.MustExec("insert into test(age) values(5);") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("analyze table test;") + tk.MustExec(fmt.Sprintf("set session tidb_opt_prefer_range_scan = %v", 0)) + + for i, ts := range input { + s.testData.OnRecord(func() { + output[i].SQL = ts + output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + ts).Rows()) + }) + tk.MustQuery("explain " + ts).Check(testkit.Rows(output[i].Plan...)) + } +} + +func (s *testPlanSuite) TestPreferRangeScanOn(c *C) { + var ( + input []string + output []struct { + SQL string + Plan []string + Result []string + } + ) + s.testData.GetTestCases(c, &input, &output) + store, dom, err := newStoreWithBootstrap() + c.Assert(err, IsNil) + defer func() { + dom.Close() + store.Close() + }() + tk := testkit.NewTestKit(c, store) + tk.MustExec("use test") + tk.MustExec("drop table if exists test;") + tk.MustExec("create table test(`id` int(10) NOT NULL AUTO_INCREMENT,`name` varchar(50) NOT NULL DEFAULT 'tidb',`age` int(11) NOT NULL,`addr` varchar(50) DEFAULT 'The ocean of stars',PRIMARY KEY (`id`),KEY `idx_age` (`age`))") + tk.MustExec("insert into test(age) values(5);") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("analyze table test;") + tk.MustExec(fmt.Sprintf("set session tidb_opt_prefer_range_scan = %v", 1)) + + for i, ts := range input { + s.testData.OnRecord(func() { + output[i].SQL = ts + output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + ts).Rows()) + }) + tk.MustQuery("explain " + ts).Check(testkit.Rows(output[i].Plan...)) + } +} diff --git a/planner/core/testdata/plan_suite_in.json b/planner/core/testdata/plan_suite_in.json index 85d039dbedd7f..22e77d4f6e792 100644 --- a/planner/core/testdata/plan_suite_in.json +++ b/planner/core/testdata/plan_suite_in.json @@ -662,5 +662,17 @@ "select a from t2 where t2.a < (select t1.a from t1 where t1.b = t2.b and t1.a is null);", "select a from t2 where t2.a < (select t3.a from t3 where t3.a = t2.a);" ] + }, + { + "name": "TestPreferRangeScanOff", + "cases": [ + "select * from test where age=5;" + ] + }, + { + "name": "TestPreferRangeScanOn", + "cases": [ + "select * from test where age=5;" + ] } ] diff --git a/planner/core/testdata/plan_suite_out.json b/planner/core/testdata/plan_suite_out.json index be4b16b1c9016..4b23877d0bd01 100644 --- a/planner/core/testdata/plan_suite_out.json +++ b/planner/core/testdata/plan_suite_out.json @@ -2222,5 +2222,31 @@ "Result": null } ] + }, + { + "Name": "TestPreferRangeScanOff", + "Cases": [ + { + "SQL": "select * from test where age=5;", + "Plan": [ + "TableReader_7 2048.00 root data:Selection_6", + "└─Selection_6 2048.00 cop[tikv] eq(test.test.age, 5)", + " └─TableFullScan_5 2048.00 cop[tikv] table:test keep order:false" + ] + } + ] + }, + { + "Name": "TestPreferRangeScanOn", + "Cases": [ + { + "SQL": "select * from test where age=5;", + "Plan": [ + "IndexLookUp_7 2048.00 root ", + "├─IndexRangeScan_5(Build) 2048.00 cop[tikv] table:test, index:idx_age(age) range:[5,5], keep order:false", + "└─TableRowIDScan_6(Probe) 2048.00 cop[tikv] table:test keep order:false" + ] + } + ] } ] From 975bbaf2944c84ce281af2e37b57bf17bdd9ccb8 Mon Sep 17 00:00:00 2001 From: Jack Yu Date: Fri, 13 Nov 2020 18:06:05 +0800 Subject: [PATCH 0216/1021] ddl: release memory cache for all tidb-servers when unlock tables (#21006) Signed-off-by: Shuaipeng Yu --- ddl/ddl_api.go | 1 - domain/schema_validator.go | 8 ++++++++ executor/point_get_test.go | 23 +++++++++++++++++++++++ 3 files changed, 31 insertions(+), 1 deletion(-) diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index f750a14373065..a5e082a0117b6 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -5420,7 +5420,6 @@ func (d *ddl) UnlockTables(ctx sessionctx.Context, unlockTables []model.TableLoc err := d.doDDLJob(ctx, job) if err == nil { ctx.ReleaseAllTableLocks() - ctx.GetStore().GetMemCache().Release() } err = d.callHookOnChanged(err) return errors.Trace(err) diff --git a/domain/schema_validator.go b/domain/schema_validator.go index b81855283f05e..dcc61e3c2de11 100644 --- a/domain/schema_validator.go +++ b/domain/schema_validator.go @@ -18,6 +18,7 @@ import ( "sync" "time" + "github.com/pingcap/parser/model" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/metrics" "github.com/pingcap/tidb/sessionctx/variable" @@ -153,6 +154,13 @@ func (s *schemaValidator) Update(leaseGrantTS uint64, oldVer, currVer int64, cha tblIDs = change.PhyTblIDS actionTypes = change.ActionTypes } + for _, ac := range actionTypes { + // NOTE: ac is not an action type, it is (1 << action type). + if ac == 1< Date: Fri, 13 Nov 2020 19:47:43 +0800 Subject: [PATCH 0217/1021] planner, expression: fix a bug causes schema change after DML (#21027) Signed-off-by: wjhuang2016 --- expression/expression.go | 2 +- expression/integration_test.go | 14 ++++++++++++++ planner/core/logical_plan_builder.go | 2 +- planner/core/point_get_plan.go | 2 +- 4 files changed, 17 insertions(+), 3 deletions(-) diff --git a/expression/expression.go b/expression/expression.go index 3c840fec3f49a..2627ed4635e0f 100644 --- a/expression/expression.go +++ b/expression/expression.go @@ -799,7 +799,7 @@ func ColumnInfos2ColumnsAndNames(ctx sessionctx.Context, dbName, tblName model.C ColName: col.Name, }) newCol := &Column{ - RetType: &col.FieldType, + RetType: col.FieldType.Clone(), ID: col.ID, UniqueID: ctx.GetSessionVars().AllocPlanColumnID(), Index: col.Offset, diff --git a/expression/integration_test.go b/expression/integration_test.go index 02e18b492e4d8..a5a554cd1b29e 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7346,6 +7346,20 @@ func (s *testIntegrationSerialSuite) TestIssue17989(c *C) { tk.MustExec("admin check table t") } +func (s *testIntegrationSuite2) TestSchemaDMLNotChange(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk2 := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk2.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (id int primary key, c_json json);") + tk.MustExec("insert into t values (1, '{\"k\": 1}');") + tk.MustExec("begin") + tk.MustExec("update t set c_json = '{\"k\": 2}' where id = 1;") + tk2.MustExec("alter table t rename column c_json to cc_json;") + tk.MustExec("commit") +} + func (s *testIntegrationSerialSuite) TestIssue18638(c *C) { collate.SetNewCollationEnabledForTest(true) defer collate.SetNewCollationEnabledForTest(false) diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index b671473425475..14f32499e1098 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -3109,7 +3109,7 @@ func (b *PlanBuilder) buildDataSource(ctx context.Context, tn *ast.TableName, as newCol := &expression.Column{ UniqueID: sessionVars.AllocPlanColumnID(), ID: col.ID, - RetType: &col.FieldType, + RetType: col.FieldType.Clone(), OrigName: names[i].String(), IsHidden: col.Hidden, } diff --git a/planner/core/point_get_plan.go b/planner/core/point_get_plan.go index 6db0836efe0d7..fd3a8afa25d16 100644 --- a/planner/core/point_get_plan.go +++ b/planner/core/point_get_plan.go @@ -1246,7 +1246,7 @@ func findCol(tbl *model.TableInfo, colName *ast.ColumnName) *model.ColumnInfo { func colInfoToColumn(col *model.ColumnInfo, idx int) *expression.Column { return &expression.Column{ - RetType: &col.FieldType, + RetType: col.FieldType.Clone(), ID: col.ID, UniqueID: int64(col.Offset), Index: idx, From b6b4c6764042fbab79e5cd5df5ef8cbb8db004dd Mon Sep 17 00:00:00 2001 From: xufei Date: Fri, 13 Nov 2020 20:11:43 +0800 Subject: [PATCH 0218/1021] planner: the precision of a decimal type should not be more than MaxDecimalWidth (#21046) --- expression/aggregation/base_func.go | 4 ++-- expression/typeinfer_test.go | 2 ++ 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/expression/aggregation/base_func.go b/expression/aggregation/base_func.go index f77329655366f..146b3d36867cb 100644 --- a/expression/aggregation/base_func.go +++ b/expression/aggregation/base_func.go @@ -183,13 +183,13 @@ func (a *baseFuncDesc) typeInfer4Sum(ctx sessionctx.Context) { case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong, mysql.TypeYear: a.RetTp = types.NewFieldType(mysql.TypeNewDecimal) a.RetTp.Flen, a.RetTp.Decimal = utils.MinInt(a.Args[0].GetType().Flen+21, mysql.MaxDecimalWidth), 0 - if a.Args[0].GetType().Flen < 0 { + if a.Args[0].GetType().Flen < 0 || a.RetTp.Flen > mysql.MaxDecimalWidth { a.RetTp.Flen = mysql.MaxDecimalWidth } case mysql.TypeNewDecimal: a.RetTp = types.NewFieldType(mysql.TypeNewDecimal) a.RetTp.Flen, a.RetTp.Decimal = utils.MinInt(a.Args[0].GetType().Flen+22), a.Args[0].GetType().Decimal - if a.Args[0].GetType().Flen < 0 { + if a.Args[0].GetType().Flen < 0 || a.RetTp.Flen > mysql.MaxDecimalWidth { a.RetTp.Flen = mysql.MaxDecimalWidth } if a.RetTp.Decimal < 0 || a.RetTp.Decimal > mysql.MaxDecimalScale { diff --git a/expression/typeinfer_test.go b/expression/typeinfer_test.go index c41dc828a4928..ea82d891d07b7 100644 --- a/expression/typeinfer_test.go +++ b/expression/typeinfer_test.go @@ -824,6 +824,7 @@ func (s *testInferTypeSuite) createTestCase4Aggregations() []typeInferTestCase { {"sum(c_float_d)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, types.UnspecifiedLength}, {"sum(c_double_d)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, types.UnspecifiedLength}, {"sum(c_decimal)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 28, 3}, + {"sum(cast(c_decimal as decimal(65,3)))", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 65, 3}, {"sum(1.0)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 25, 1}, {"sum(1.2e2)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, types.UnspecifiedLength}, {"sum(c_char)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, types.UnspecifiedLength}, @@ -831,6 +832,7 @@ func (s *testInferTypeSuite) createTestCase4Aggregations() []typeInferTestCase { {"avg(c_float_d)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, types.UnspecifiedLength}, {"avg(c_double_d)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, types.UnspecifiedLength}, {"avg(c_decimal)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 10, 7}, + {"avg(cast(c_decimal as decimal(65,3)))", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 65, 7}, {"avg(1.0)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 7, 5}, {"avg(1.2e2)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, types.UnspecifiedLength}, {"avg(c_char)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, types.UnspecifiedLength}, From f9f44d0a492a85a9200d9ae476eedfd505db5d7e Mon Sep 17 00:00:00 2001 From: Feng Liyuan Date: Sat, 14 Nov 2020 01:22:25 +0800 Subject: [PATCH 0219/1021] config: hide & deprecate enable-streaming (#20760) --- config/config.toml.example | 3 --- 1 file changed, 3 deletions(-) diff --git a/config/config.toml.example b/config/config.toml.example index fb6f8a5eb8b45..29c9d7f0812d1 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -58,9 +58,6 @@ tmp-storage-quota = -1 # Valid options: ["log", "cancel"] oom-action = "cancel" -# Enable coprocessor streaming. -enable-streaming = false - # Enable batch commit for the DMLs. enable-batch-dml = false From 83ceede82d64e609e4f8e98590bd82fad4468cfc Mon Sep 17 00:00:00 2001 From: Ling Jin Date: Mon, 16 Nov 2020 10:30:24 +0800 Subject: [PATCH 0220/1021] session, variables: Stream agg concurrency variable (#20960) --- executor/set_test.go | 7 +++++++ session/session.go | 1 + sessionctx/variable/session.go | 20 ++++++++++++++++++++ sessionctx/variable/sysvar.go | 1 + sessionctx/variable/tidb_vars.go | 5 +++++ sessionctx/variable/varsutil.go | 2 +- sessionctx/variable/varsutil_test.go | 12 ++++++++++++ 7 files changed, 47 insertions(+), 1 deletion(-) diff --git a/executor/set_test.go b/executor/set_test.go index acd45dfeb5614..7efac55965660 100644 --- a/executor/set_test.go +++ b/executor/set_test.go @@ -989,6 +989,7 @@ func (s *testSuite5) TestSetConcurrency(c *C) { tk.MustQuery("select @@tidb_hashagg_partial_concurrency;").Check(testkit.Rows(strconv.Itoa(variable.ConcurrencyUnset))) tk.MustQuery("select @@tidb_hashagg_final_concurrency;").Check(testkit.Rows(strconv.Itoa(variable.ConcurrencyUnset))) tk.MustQuery("select @@tidb_window_concurrency;").Check(testkit.Rows(strconv.Itoa(variable.ConcurrencyUnset))) + tk.MustQuery("select @@tidb_streamagg_concurrency;").Check(testkit.Rows(strconv.Itoa(variable.DefTiDBStreamAggConcurrency))) tk.MustQuery("select @@tidb_projection_concurrency;").Check(testkit.Rows(strconv.Itoa(variable.ConcurrencyUnset))) tk.MustQuery("select @@tidb_distsql_scan_concurrency;").Check(testkit.Rows(strconv.Itoa(variable.DefDistSQLScanConcurrency))) @@ -1002,6 +1003,7 @@ func (s *testSuite5) TestSetConcurrency(c *C) { c.Assert(vars.HashAggPartialConcurrency(), Equals, variable.DefExecutorConcurrency) c.Assert(vars.HashAggFinalConcurrency(), Equals, variable.DefExecutorConcurrency) c.Assert(vars.WindowConcurrency(), Equals, variable.DefExecutorConcurrency) + c.Assert(vars.StreamAggConcurrency(), Equals, variable.DefTiDBStreamAggConcurrency) c.Assert(vars.ProjectionConcurrency(), Equals, variable.DefExecutorConcurrency) c.Assert(vars.DistSQLScanConcurrency(), Equals, variable.DefDistSQLScanConcurrency) @@ -1037,6 +1039,9 @@ func (s *testSuite5) TestSetConcurrency(c *C) { checkSet(variable.TiDBWindowConcurrency) c.Assert(vars.WindowConcurrency(), Equals, 1) + checkSet(variable.TiDBStreamAggConcurrency) + c.Assert(vars.StreamAggConcurrency(), Equals, 1) + tk.MustExec(fmt.Sprintf("set @@%s=1;", variable.TiDBDistSQLScanConcurrency)) tk.MustQuery(fmt.Sprintf("select @@%s;", variable.TiDBDistSQLScanConcurrency)).Check(testkit.Rows("1")) c.Assert(vars.DistSQLScanConcurrency(), Equals, 1) @@ -1053,6 +1058,7 @@ func (s *testSuite5) TestSetConcurrency(c *C) { tk.MustExec("set @@tidb_hashagg_partial_concurrency=-1;") tk.MustExec("set @@tidb_hashagg_final_concurrency=-1;") tk.MustExec("set @@tidb_window_concurrency=-1;") + tk.MustExec("set @@tidb_streamagg_concurrency=-1;") tk.MustExec("set @@tidb_projection_concurrency=-1;") c.Assert(vars.IndexLookupConcurrency(), Equals, variable.DefExecutorConcurrency) @@ -1061,6 +1067,7 @@ func (s *testSuite5) TestSetConcurrency(c *C) { c.Assert(vars.HashAggPartialConcurrency(), Equals, variable.DefExecutorConcurrency) c.Assert(vars.HashAggFinalConcurrency(), Equals, variable.DefExecutorConcurrency) c.Assert(vars.WindowConcurrency(), Equals, variable.DefExecutorConcurrency) + c.Assert(vars.StreamAggConcurrency(), Equals, variable.DefExecutorConcurrency) c.Assert(vars.ProjectionConcurrency(), Equals, variable.DefExecutorConcurrency) _, err := tk.Exec("set @@tidb_executor_concurrency=-1;") diff --git a/session/session.go b/session/session.go index 3c3e5aeb28136..7d3d0044c8d53 100644 --- a/session/session.go +++ b/session/session.go @@ -2157,6 +2157,7 @@ var builtinGlobalVariable = []string{ variable.TiDBHashAggPartialConcurrency, variable.TiDBHashAggFinalConcurrency, variable.TiDBWindowConcurrency, + variable.TiDBStreamAggConcurrency, variable.TiDBExecutorConcurrency, variable.TiDBBackoffLockFast, variable.TiDBBackOffWeight, diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 0a28071b45d49..22be00689e456 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -873,6 +873,7 @@ func NewSessionVars() *SessionVars { hashAggPartialConcurrency: DefTiDBHashAggPartialConcurrency, hashAggFinalConcurrency: DefTiDBHashAggFinalConcurrency, windowConcurrency: DefTiDBWindowConcurrency, + streamAggConcurrency: DefTiDBStreamAggConcurrency, ExecutorConcurrency: DefExecutorConcurrency, } vars.MemQuota = MemQuota{ @@ -1327,6 +1328,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.hashAggFinalConcurrency = tidbOptPositiveInt32(val, ConcurrencyUnset) case TiDBWindowConcurrency: s.windowConcurrency = tidbOptPositiveInt32(val, ConcurrencyUnset) + case TiDBStreamAggConcurrency: + s.streamAggConcurrency = tidbOptPositiveInt32(val, ConcurrencyUnset) case TiDBDistSQLScanConcurrency: s.distSQLScanConcurrency = tidbOptPositiveInt32(val, DefDistSQLScanConcurrency) case TiDBIndexSerialScanConcurrency: @@ -1660,6 +1663,10 @@ type Concurrency struct { // windowConcurrency is deprecated, use ExecutorConcurrency instead. windowConcurrency int + // streamAggConcurrency is the number of concurrent stream aggregation worker. + // streamAggConcurrency is deprecated, use ExecutorConcurrency instead. + streamAggConcurrency int + // indexSerialScanConcurrency is the number of concurrent index serial scan worker. indexSerialScanConcurrency int @@ -1710,6 +1717,11 @@ func (c *Concurrency) SetWindowConcurrency(n int) { c.windowConcurrency = n } +// SetStreamAggConcurrency set the number of concurrent stream aggregation worker. +func (c *Concurrency) SetStreamAggConcurrency(n int) { + c.streamAggConcurrency = n +} + // SetIndexSerialScanConcurrency set the number of concurrent index serial scan worker. func (c *Concurrency) SetIndexSerialScanConcurrency(n int) { c.indexSerialScanConcurrency = n @@ -1776,6 +1788,14 @@ func (c *Concurrency) WindowConcurrency() int { return c.ExecutorConcurrency } +// StreamAggConcurrency return the number of concurrent stream aggregation worker. +func (c *Concurrency) StreamAggConcurrency() int { + if c.streamAggConcurrency != ConcurrencyUnset { + return c.streamAggConcurrency + } + return c.ExecutorConcurrency +} + // IndexSerialScanConcurrency return the number of concurrent index serial scan worker. // This option is not sync with ExecutorConcurrency since it's used by Analyze table. func (c *Concurrency) IndexSerialScanConcurrency() int { diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index efca5c483145a..d6e0e5f57e7f8 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1017,6 +1017,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBHashAggPartialConcurrency, Value: strconv.Itoa(DefTiDBHashAggPartialConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBHashAggFinalConcurrency, Value: strconv.Itoa(DefTiDBHashAggFinalConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBWindowConcurrency, Value: strconv.Itoa(DefTiDBWindowConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBStreamAggConcurrency, Value: strconv.Itoa(DefTiDBStreamAggConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableParallelApply, Value: BoolToOnOff(DefTiDBEnableParallelApply), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBBackoffLockFast, Value: strconv.Itoa(kv.DefBackoffLockFast), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBBackOffWeight, Value: strconv.Itoa(kv.DefBackOffWeight), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 4bb06d0d2b687..5e93fb1566511 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -312,6 +312,10 @@ const ( // tidb_window_concurrency is deprecated, use tidb_executor_concurrency instead. TiDBWindowConcurrency = "tidb_window_concurrency" + // tidb_stream_agg_concurrency is used for stream aggregation parallel executor. + // tidb_stream_agg_concurrency is deprecated, use tidb_executor_concurrency instead. + TiDBStreamAggConcurrency = "tidb_streamagg_concurrency" + // tidb_enable_parallel_apply is used for parallel apply. TiDBEnableParallelApply = "tidb_enable_parallel_apply" @@ -531,6 +535,7 @@ const ( DefTiDBHashAggPartialConcurrency = ConcurrencyUnset DefTiDBHashAggFinalConcurrency = ConcurrencyUnset DefTiDBWindowConcurrency = ConcurrencyUnset + DefTiDBStreamAggConcurrency = 1 DefTiDBForcePriority = mysql.NoPriority DefTiDBUseRadixJoin = false DefEnableWindowFunction = true diff --git a/sessionctx/variable/varsutil.go b/sessionctx/variable/varsutil.go index f049d01577670..8c757ab81f848 100644 --- a/sessionctx/variable/varsutil.go +++ b/sessionctx/variable/varsutil.go @@ -267,7 +267,7 @@ func CheckDeprecationSetSystemVar(s *SessionVars, name string) { switch name { case TiDBIndexLookupConcurrency, TiDBIndexLookupJoinConcurrency, TiDBHashJoinConcurrency, TiDBHashAggPartialConcurrency, TiDBHashAggFinalConcurrency, - TiDBProjectionConcurrency, TiDBWindowConcurrency: + TiDBProjectionConcurrency, TiDBWindowConcurrency, TiDBStreamAggConcurrency: s.StmtCtx.AppendWarning(errWarnDeprecatedSyntax.FastGenByArgs(name, TiDBExecutorConcurrency)) case TIDBMemQuotaHashJoin, TIDBMemQuotaMergeJoin, TIDBMemQuotaSort, TIDBMemQuotaTopn, diff --git a/sessionctx/variable/varsutil_test.go b/sessionctx/variable/varsutil_test.go index 14be2e8dd7306..b458d0787d74d 100644 --- a/sessionctx/variable/varsutil_test.go +++ b/sessionctx/variable/varsutil_test.go @@ -74,11 +74,13 @@ func (s *testVarsutilSuite) TestNewSessionVars(c *C) { c.Assert(vars.hashAggPartialConcurrency, Equals, ConcurrencyUnset) c.Assert(vars.hashAggFinalConcurrency, Equals, ConcurrencyUnset) c.Assert(vars.windowConcurrency, Equals, ConcurrencyUnset) + c.Assert(vars.streamAggConcurrency, Equals, DefTiDBStreamAggConcurrency) c.Assert(vars.distSQLScanConcurrency, Equals, DefDistSQLScanConcurrency) c.Assert(vars.ProjectionConcurrency(), Equals, DefExecutorConcurrency) c.Assert(vars.HashAggPartialConcurrency(), Equals, DefExecutorConcurrency) c.Assert(vars.HashAggFinalConcurrency(), Equals, DefExecutorConcurrency) c.Assert(vars.WindowConcurrency(), Equals, DefExecutorConcurrency) + c.Assert(vars.StreamAggConcurrency(), Equals, DefTiDBStreamAggConcurrency) c.Assert(vars.DistSQLScanConcurrency(), Equals, DefDistSQLScanConcurrency) c.Assert(vars.ExecutorConcurrency, Equals, DefExecutorConcurrency) c.Assert(vars.MaxChunkSize, Equals, DefMaxChunkSize) @@ -657,6 +659,14 @@ func (s *testVarsutilSuite) TestConcurrencyVariables(c *C) { c.Assert(vars.windowConcurrency, Equals, wdConcurrency) c.Assert(vars.WindowConcurrency(), Equals, wdConcurrency) + saConcurrency := 2 + c.Assert(vars.streamAggConcurrency, Equals, DefTiDBStreamAggConcurrency) + c.Assert(vars.StreamAggConcurrency(), Equals, DefTiDBStreamAggConcurrency) + err = SetSessionSystemVar(vars, TiDBStreamAggConcurrency, types.NewIntDatum(int64(saConcurrency))) + c.Assert(err, IsNil) + c.Assert(vars.streamAggConcurrency, Equals, saConcurrency) + c.Assert(vars.StreamAggConcurrency(), Equals, saConcurrency) + c.Assert(vars.indexLookupConcurrency, Equals, ConcurrencyUnset) c.Assert(vars.IndexLookupConcurrency(), Equals, DefExecutorConcurrency) exeConcurrency := DefExecutorConcurrency + 1 @@ -665,4 +675,6 @@ func (s *testVarsutilSuite) TestConcurrencyVariables(c *C) { c.Assert(vars.indexLookupConcurrency, Equals, ConcurrencyUnset) c.Assert(vars.IndexLookupConcurrency(), Equals, exeConcurrency) c.Assert(vars.WindowConcurrency(), Equals, wdConcurrency) + c.Assert(vars.StreamAggConcurrency(), Equals, saConcurrency) + } From e90aac77238965f269b2c11f53354acc84c14595 Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Mon, 16 Nov 2020 11:42:27 +0800 Subject: [PATCH 0221/1021] plannr: build empty range for overflow predicate (#21042) --- expression/builtin_compare.go | 12 ++++++++++++ planner/core/integration_test.go | 10 ++++++++++ 2 files changed, 22 insertions(+) diff --git a/expression/builtin_compare.go b/expression/builtin_compare.go index 8f590a6fc5ad7..5564b1f00d11c 100644 --- a/expression/builtin_compare.go +++ b/expression/builtin_compare.go @@ -1371,6 +1371,18 @@ func (c *compareFunctionClass) refineArgsByUnsignedFlag(ctx sessionctx.Context, if err != nil || isNull || v > 0 { return args } + if mysql.HasUnsignedFlag(con.RetType.Flag) && !mysql.HasUnsignedFlag(col.RetType.Flag) { + op := c.op + if i == 1 { + op = symmetricOp[c.op] + } + if op == opcode.EQ || op == opcode.NullEQ { + if _, err := types.ConvertUintToInt(uint64(v), types.IntergerSignedUpperBound(col.RetType.Tp), col.RetType.Tp); err != nil { + args[i], args[1-i] = NewOne(), NewZero() + return args + } + } + } if mysql.HasUnsignedFlag(col.RetType.Flag) && mysql.HasNotNullFlag(col.RetType.Flag) && !mysql.HasUnsignedFlag(con.RetType.Flag) { op := c.op if i == 1 { diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 1775bb2e171ce..63efdac7648bb 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1822,3 +1822,13 @@ func (s *testIntegrationSuite) TestPartitionUnionWithPPruningColumn(c *C) { "3290 LE1327_r5")) } + +func (s *testIntegrationSuite) TestIssue10448(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t;") + + tk.MustExec("create table t(pk int(11) primary key)") + tk.MustExec("insert into t values(1),(2),(3)") + tk.MustQuery("select a from (select pk as a from t) t1 where a = 18446744073709551615").Check(testkit.Rows()) +} From 31ddba99da388d82c5fd55a21e87d15a6aefda09 Mon Sep 17 00:00:00 2001 From: pengdaqian2020 <71140907+pengdaqian2020@users.noreply.github.com> Date: Sun, 15 Nov 2020 22:07:28 -0600 Subject: [PATCH 0222/1021] executor: fix The JSON Data can not import to TiDB correctly by `load data` (#21043) --- executor/executor_pkg_test.go | 28 ++++++++++++++++++++++++++++ executor/load_data.go | 18 +++++++++--------- 2 files changed, 37 insertions(+), 9 deletions(-) diff --git a/executor/executor_pkg_test.go b/executor/executor_pkg_test.go index 780e2df38c74e..75868833ede04 100644 --- a/executor/executor_pkg_test.go +++ b/executor/executor_pkg_test.go @@ -246,6 +246,7 @@ func (s *testExecSuite) TestGetFieldsFromLine(c *C) { FieldsInfo: &ast.FieldsClause{ Enclosed: '"', Terminated: ",", + Escaped: '\\', }, } @@ -259,6 +260,33 @@ func (s *testExecSuite) TestGetFieldsFromLine(c *C) { c.Assert(err, IsNil) } +func (s *testExecSerialSuite) TestLoadDataWithDifferentEscapeChar(c *C) { + tests := []struct { + input string + escapeChar byte + expected []string + }{ + { + `"{""itemRangeType"":0,""itemContainType"":0,""shopRangeType"":1,""shopJson"":""[{\""id\"":\""A1234\"",\""shopName\"":\""AAAAAA\""}]""}"`, + byte(0), // escaped by '' + []string{`{"itemRangeType":0,"itemContainType":0,"shopRangeType":1,"shopJson":"[{\"id\":\"A1234\",\"shopName\":\"AAAAAA\"}]"}`}, + }, + } + + for _, test := range tests { + ldInfo := LoadDataInfo{ + FieldsInfo: &ast.FieldsClause{ + Enclosed: '"', + Terminated: ",", + Escaped: test.escapeChar, + }, + } + got, err := ldInfo.getFieldsFromLine([]byte(test.input)) + c.Assert(err, IsNil, Commentf("failed: %s", test.input)) + assertEqualStrings(c, got, test.expected) + } +} + func assertEqualStrings(c *C, got []field, expect []string) { c.Assert(len(got), Equals, len(expect)) for i := 0; i < len(got); i++ { diff --git a/executor/load_data.go b/executor/load_data.go index ce953f4230ad4..429b9f3d48cd3 100644 --- a/executor/load_data.go +++ b/executor/load_data.go @@ -627,17 +627,19 @@ type fieldWriter struct { term string enclosedChar byte fieldTermChar byte + escapeChar byte isEnclosed bool isLineStart bool isFieldStart bool } -func (w *fieldWriter) Init(enclosedChar byte, fieldTermChar byte, readBuf []byte, term string) { +func (w *fieldWriter) Init(enclosedChar, escapeChar, fieldTermChar byte, readBuf []byte, term string) { w.isEnclosed = false w.isLineStart = true w.isFieldStart = true w.ReadBuf = readBuf w.enclosedChar = enclosedChar + w.escapeChar = escapeChar w.fieldTermChar = fieldTermChar w.term = term } @@ -743,13 +745,12 @@ func (w *fieldWriter) GetField() (bool, field) { w.OutputBuf = append(w.OutputBuf, w.enclosedChar) w.putback() } - } else if ch == '\\' { - // TODO: escape only support '\' + } else if ch == w.escapeChar { // When the escaped character is interpreted as if // it was not escaped, backslash is ignored. flag, ch = w.getChar() if flag { - w.OutputBuf = append(w.OutputBuf, '\\') + w.OutputBuf = append(w.OutputBuf, w.escapeChar) w.OutputBuf = append(w.OutputBuf, ch) } } else { @@ -771,10 +772,10 @@ func (e *LoadDataInfo) getFieldsFromLine(line []byte) ([]field, error) { return fields, nil } - reader.Init(e.FieldsInfo.Enclosed, e.FieldsInfo.Terminated[0], line, e.FieldsInfo.Terminated) + reader.Init(e.FieldsInfo.Enclosed, e.FieldsInfo.Escaped, e.FieldsInfo.Terminated[0], line, e.FieldsInfo.Terminated) for { eol, f := reader.GetField() - f = f.escape() + f = f.escape(reader.escapeChar) if bytes.Equal(f.str, null) && !f.enclosed { f.str = []byte{'N'} f.maybeNull = true @@ -789,12 +790,11 @@ func (e *LoadDataInfo) getFieldsFromLine(line []byte) ([]field, error) { // escape handles escape characters when running load data statement. // See http://dev.mysql.com/doc/refman/5.7/en/load-data.html -// TODO: escape only support '\' as the `ESCAPED BY` character, it should support specify characters. -func (f *field) escape() field { +func (f *field) escape(escapeChar byte) field { pos := 0 for i := 0; i < len(f.str); i++ { c := f.str[i] - if i+1 < len(f.str) && f.str[i] == '\\' { + if i+1 < len(f.str) && f.str[i] == escapeChar { c = f.escapeChar(f.str[i+1]) i++ } From dfc3bbdee6c4779ee5c44421bd6c819797562560 Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Mon, 16 Nov 2020 14:51:26 +0800 Subject: [PATCH 0223/1021] util, executor: parse set value correctly in HashChunkRow (#21048) --- executor/join_test.go | 13 +++++++++++++ util/codec/codec.go | 16 ++++++++++------ util/codec/codec_test.go | 1 + 3 files changed, 24 insertions(+), 6 deletions(-) diff --git a/executor/join_test.go b/executor/join_test.go index 09dad2121a292..e83c019d0ba09 100644 --- a/executor/join_test.go +++ b/executor/join_test.go @@ -2473,3 +2473,16 @@ func (s *testSuiteJoinSerial) TestIssue20779(c *C) { _, err = session.GetRows4Test(context.Background(), nil, rs) c.Assert(err.Error(), Matches, "testIssue20779") } + +func (s *testSuiteJoinSerial) TestIssue20219(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("drop table if exists t,s ") + tk.MustExec("CREATE TABLE `t` ( `a` set('a','b','c','d','e','f','g','h','i','j') DEFAULT NULL );") + tk.MustExec("insert into t values('i'), ('j');") + tk.MustExec("CREATE TABLE `s` ( `a` char(1) DEFAULT NULL, KEY `a` (`a`) )") + tk.MustExec("insert into s values('i'), ('j');") + tk.MustQuery("select /*+ inl_hash_join(s)*/ t.a from t left join s on t.a = s.a;").Check(testkit.Rows("i", "j")) + tk.MustQuery("show warnings").Check(testkit.Rows()) + tk.MustQuery("select /*+ inl_join(s)*/ t.a from t left join s on t.a = s.a;").Check(testkit.Rows("i", "j")) + tk.MustQuery("show warnings").Check(testkit.Rows()) +} diff --git a/util/codec/codec.go b/util/codec/codec.go index 38a99b53b85dc..8ede0bb67bf27 100644 --- a/util/codec/codec.go +++ b/util/codec/codec.go @@ -363,9 +363,11 @@ func encodeHashChunkRowIdx(sc *stmtctx.StatementContext, row chunk.Row, tp *type b = ConvertByCollation(hack.Slice(str), tp) case mysql.TypeSet: flag = compactBytesFlag - v := uint64(row.GetSet(idx).ToNumber()) - str := tp.Elems[v-1] - b = ConvertByCollation(hack.Slice(str), tp) + s, err := types.ParseSetValue(tp.Elems, row.GetSet(idx).Value) + if err != nil { + return 0, nil, err + } + b = ConvertByCollation(hack.Slice(s.Name), tp) case mysql.TypeBit: // We don't need to handle errors here since the literal is ensured to be able to store in uint64 in convertToMysqlBit. flag = uvarintFlag @@ -588,9 +590,11 @@ func HashChunkSelected(sc *stmtctx.StatementContext, h []hash.Hash64, chk *chunk isNull[i] = !ignoreNull } else { buf[0] = compactBytesFlag - v := uint64(column.GetSet(i).ToNumber()) - str := tp.Elems[v-1] - b = ConvertByCollation(hack.Slice(str), tp) + s, err := types.ParseSetValue(tp.Elems, column.GetSet(i).Value) + if err != nil { + return err + } + b = ConvertByCollation(hack.Slice(s.Name), tp) } // As the golang doc described, `Hash.Write` never returns an error. diff --git a/util/codec/codec_test.go b/util/codec/codec_test.go index eb0fff931be78..8649aa3f0fa46 100644 --- a/util/codec/codec_test.go +++ b/util/codec/codec_test.go @@ -1034,6 +1034,7 @@ func datumsForTest(sc *stmtctx.StatementContext) ([]types.Datum, []*types.FieldT {types.Duration{Duration: time.Second, Fsp: 1}, types.NewFieldType(mysql.TypeDuration)}, {types.Enum{Name: "a", Value: 1}, &types.FieldType{Tp: mysql.TypeEnum, Elems: []string{"a"}}}, {types.Set{Name: "a", Value: 1}, &types.FieldType{Tp: mysql.TypeSet, Elems: []string{"a"}}}, + {types.Set{Name: "f", Value: 32}, &types.FieldType{Tp: mysql.TypeSet, Elems: []string{"a", "b", "c", "d", "e", "f"}}}, {types.BinaryLiteral{100}, &types.FieldType{Tp: mysql.TypeBit, Flen: 8}}, {json.CreateBinary("abc"), types.NewFieldType(mysql.TypeJSON)}, {int64(1), types.NewFieldType(mysql.TypeYear)}, From 41786cb976f43df6ec10cba549c7f845c8531d88 Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Mon, 16 Nov 2020 16:24:51 +0800 Subject: [PATCH 0224/1021] *: seperate hash keys from join keys in IndexJoin (#20761) --- cmd/explaintest/r/explain_join_stats.result | 2 +- cmd/explaintest/r/explain_union_scan.result | 2 +- cmd/explaintest/r/generated_columns.result | 2 +- cmd/explaintest/r/index_join.result | 6 +- cmd/explaintest/r/topn_push_down.result | 6 +- cmd/explaintest/r/tpch.result | 12 +-- executor/benchmark_test.go | 8 ++ executor/builder.go | 13 ++- executor/index_lookup_hash_join.go | 10 +-- executor/index_lookup_join.go | 42 +++++---- executor/join_test.go | 38 ++++++-- expression/testdata/partition_pruner_out.json | 4 +- planner/core/exhaust_physical_plans.go | 43 ++++++++- planner/core/explain.go | 14 +++ planner/core/integration_test.go | 25 ++++++ planner/core/physical_plans.go | 6 ++ planner/core/resolve_indices.go | 11 +++ planner/core/testdata/analyze_suite_out.json | 2 +- .../testdata/integration_serial_suite_in.json | 11 +++ .../integration_serial_suite_out.json | 87 +++++++++++++++++++ .../core/testdata/integration_suite_out.json | 26 +++--- .../testdata/plan_normalized_suite_out.json | 4 +- planner/core/testdata/plan_suite_out.json | 2 +- 23 files changed, 307 insertions(+), 69 deletions(-) diff --git a/cmd/explaintest/r/explain_join_stats.result b/cmd/explaintest/r/explain_join_stats.result index 73bb6e2671ba4..723df63732dbe 100644 --- a/cmd/explaintest/r/explain_join_stats.result +++ b/cmd/explaintest/r/explain_join_stats.result @@ -17,7 +17,7 @@ StreamAgg_13 1.00 root funcs:count(1)->Column#5 explain select /*+ TIDB_INLJ(e) */ count(*) from e, lo where lo.a=e.a and e.b=22336; id estRows task access object operator info StreamAgg_12 1.00 root funcs:count(1)->Column#5 -└─IndexJoin_56 19977.00 root inner join, inner:IndexLookUp_55, outer key:test.lo.a, inner key:test.e.a +└─IndexJoin_56 19977.00 root inner join, inner:IndexLookUp_55, outer key:test.lo.a, inner key:test.e.a, equal cond:eq(test.lo.a, test.e.a) ├─TableReader_40(Build) 250.00 root data:TableFullScan_39 │ └─TableFullScan_39 250.00 cop[tikv] table:lo keep order:false └─IndexLookUp_55(Probe) 79.91 root diff --git a/cmd/explaintest/r/explain_union_scan.result b/cmd/explaintest/r/explain_union_scan.result index 087f0d62efa21..edd9d414f6fcb 100644 --- a/cmd/explaintest/r/explain_union_scan.result +++ b/cmd/explaintest/r/explain_union_scan.result @@ -15,7 +15,7 @@ id estRows task access object operator info Limit_20 10.00 root offset:0, count:10 └─HashJoin_22 10.00 root left outer join, equal:[eq(test.city.province_id, test.city.province_id)] ├─Limit_25(Build) 10.00 root offset:0, count:10 - │ └─IndexJoin_38 10.00 root inner join, inner:UnionScan_37, outer key:test.city.id, inner key:test.city.id + │ └─IndexJoin_38 10.00 root inner join, inner:UnionScan_37, outer key:test.city.id, inner key:test.city.id, equal cond:eq(test.city.id, test.city.id) │ ├─UnionScan_47(Build) 10.00 root │ │ └─TableReader_49 10.00 root data:TableFullScan_48 │ │ └─TableFullScan_48 10.00 cop[tikv] table:t2 keep order:false diff --git a/cmd/explaintest/r/generated_columns.result b/cmd/explaintest/r/generated_columns.result index 590d5141307d3..dad75f5aeca9e 100644 --- a/cmd/explaintest/r/generated_columns.result +++ b/cmd/explaintest/r/generated_columns.result @@ -72,7 +72,7 @@ VALUES ('{"a": 1}', '{"1": "1"}'); ANALYZE TABLE sgc1, sgc2; EXPLAIN SELECT /*+ TIDB_INLJ(sgc1, sgc2) */ * from sgc1 join sgc2 on sgc1.a=sgc2.a; id estRows task access object operator info -IndexJoin_26 5.00 root inner join, inner:IndexLookUp_25, outer key:test.sgc2.a, inner key:test.sgc1.a +IndexJoin_26 5.00 root inner join, inner:IndexLookUp_25, outer key:test.sgc2.a, inner key:test.sgc1.a, equal cond:eq(test.sgc2.a, test.sgc1.a) ├─TableReader_47(Build) 1.00 root data:Selection_46 │ └─Selection_46 1.00 cop[tikv] not(isnull(test.sgc2.a)) │ └─TableFullScan_45 1.00 cop[tikv] table:sgc2 keep order:false diff --git a/cmd/explaintest/r/index_join.result b/cmd/explaintest/r/index_join.result index 851d74e672c43..418d5b7e6fb98 100644 --- a/cmd/explaintest/r/index_join.result +++ b/cmd/explaintest/r/index_join.result @@ -8,7 +8,7 @@ set session tidb_hashagg_partial_concurrency = 1; set session tidb_hashagg_final_concurrency = 1; explain select /*+ TIDB_INLJ(t1, t2) */ * from t1 join t2 on t1.a=t2.a; id estRows task access object operator info -IndexJoin_25 5.00 root inner join, inner:IndexLookUp_24, outer key:test.t2.a, inner key:test.t1.a +IndexJoin_25 5.00 root inner join, inner:IndexLookUp_24, outer key:test.t2.a, inner key:test.t1.a, equal cond:eq(test.t2.a, test.t1.a) ├─TableReader_43(Build) 1.00 root data:Selection_42 │ └─Selection_42 1.00 cop[tikv] not(isnull(test.t2.a)) │ └─TableFullScan_41 1.00 cop[tikv] table:t2 keep order:false @@ -32,7 +32,7 @@ create table t2(a int not null, b int not null, key a(a)); set @@tidb_opt_insubq_to_join_and_agg=0; explain select /*+ TIDB_INLJ(t2@sel_2) */ * from t1 where t1.a in (select t2.a from t2); id estRows task access object operator info -IndexJoin_10 8000.00 root semi join, inner:IndexReader_9, outer key:test.t1.a, inner key:test.t2.a +IndexJoin_10 8000.00 root semi join, inner:IndexReader_9, outer key:test.t1.a, inner key:test.t2.a, equal cond:eq(test.t1.a, test.t2.a) ├─TableReader_18(Build) 10000.00 root data:TableFullScan_17 │ └─TableFullScan_17 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo └─IndexReader_9(Probe) 1.25 root index:IndexRangeScan_8 @@ -45,7 +45,7 @@ create table t1(a int not null, b int not null, key a(a)); create table t2(a int not null, b int not null, key a(a)); explain select /*+ TIDB_INLJ(t1) */ * from t1 where t1.a in (select t2.a from t2); id estRows task access object operator info -IndexJoin_13 10000.00 root inner join, inner:IndexLookUp_12, outer key:test.t2.a, inner key:test.t1.a +IndexJoin_13 10000.00 root inner join, inner:IndexLookUp_12, outer key:test.t2.a, inner key:test.t1.a, equal cond:eq(test.t2.a, test.t1.a) ├─StreamAgg_26(Build) 8000.00 root group by:test.t2.a, funcs:firstrow(test.t2.a)->test.t2.a │ └─IndexReader_39 10000.00 root index:IndexFullScan_38 │ └─IndexFullScan_38 10000.00 cop[tikv] table:t2, index:a(a) keep order:true, stats:pseudo diff --git a/cmd/explaintest/r/topn_push_down.result b/cmd/explaintest/r/topn_push_down.result index 03f5ad84692b0..c98a4085ec755 100644 --- a/cmd/explaintest/r/topn_push_down.result +++ b/cmd/explaintest/r/topn_push_down.result @@ -168,7 +168,7 @@ ORDER BY te.expect_time asc LIMIT 0, 5; id estRows task access object operator info Limit_19 0.00 root offset:0, count:5 -└─IndexJoin_118 0.00 root left outer join, inner:IndexReader_117, outer key:test.tr.id, inner key:test.p.relate_id +└─IndexJoin_118 0.00 root left outer join, inner:IndexReader_117, outer key:test.tr.id, inner key:test.p.relate_id, equal cond:eq(test.tr.id, test.p.relate_id) ├─TopN_127(Build) 0.00 root test.te.expect_time, offset:0, count:5 │ └─IndexMergeJoin_53 0.00 root inner join, inner:Projection_51, outer key:test.tr.id, inner key:test.te.trade_id │ ├─IndexLookUp_98(Build) 0.00 root @@ -221,7 +221,7 @@ create table t(a int not null, index idx(a)); explain select /*+ TIDB_INLJ(t2) */ * from t t1 join t t2 on t1.a = t2.a limit 5; id estRows task access object operator info Limit_11 5.00 root offset:0, count:5 -└─IndexJoin_15 5.00 root inner join, inner:IndexReader_14, outer key:test.t.a, inner key:test.t.a +└─IndexJoin_15 5.00 root inner join, inner:IndexReader_14, outer key:test.t.a, inner key:test.t.a, equal cond:eq(test.t.a, test.t.a) ├─TableReader_23(Build) 4.00 root data:TableFullScan_22 │ └─TableFullScan_22 4.00 cop[tikv] table:t1 keep order:false, stats:pseudo └─IndexReader_14(Probe) 1.25 root index:IndexRangeScan_13 @@ -230,7 +230,7 @@ explain select /*+ TIDB_INLJ(t2) */ * from t t1 left join t t2 on t1.a = t2.a wh id estRows task access object operator info Limit_12 5.00 root offset:0, count:5 └─Selection_13 5.00 root isnull(test.t.a) - └─IndexJoin_17 5.00 root left outer join, inner:IndexReader_16, outer key:test.t.a, inner key:test.t.a + └─IndexJoin_17 5.00 root left outer join, inner:IndexReader_16, outer key:test.t.a, inner key:test.t.a, equal cond:eq(test.t.a, test.t.a) ├─TableReader_25(Build) 4.00 root data:TableFullScan_24 │ └─TableFullScan_24 4.00 cop[tikv] table:t1 keep order:false, stats:pseudo └─IndexReader_16(Probe) 1.25 root index:IndexRangeScan_15 diff --git a/cmd/explaintest/r/tpch.result b/cmd/explaintest/r/tpch.result index 611030fafd436..0282fc5e9be67 100644 --- a/cmd/explaintest/r/tpch.result +++ b/cmd/explaintest/r/tpch.result @@ -297,7 +297,7 @@ id estRows task access object operator info Sort_10 1.00 root tpch.orders.o_orderpriority └─Projection_12 1.00 root tpch.orders.o_orderpriority, Column#27 └─HashAgg_15 1.00 root group by:tpch.orders.o_orderpriority, funcs:count(1)->Column#27, funcs:firstrow(tpch.orders.o_orderpriority)->tpch.orders.o_orderpriority - └─IndexHashJoin_23 2340750.00 root semi join, inner:IndexLookUp_20, outer key:tpch.orders.o_orderkey, inner key:tpch.lineitem.l_orderkey + └─IndexHashJoin_23 2340750.00 root semi join, inner:IndexLookUp_20, outer key:tpch.orders.o_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey) ├─TableReader_42(Build) 2925937.50 root data:Selection_41 │ └─Selection_41 2925937.50 cop[tikv] ge(tpch.orders.o_orderdate, 1995-01-01 00:00:00.000000), lt(tpch.orders.o_orderdate, 1995-04-01) │ └─TableFullScan_40 75000000.00 cop[tikv] table:orders keep order:false @@ -530,7 +530,7 @@ Sort_29 719.02 root Column#62 ├─TableReader_117(Build) 61674.00 root data:Selection_116 │ └─Selection_116 61674.00 cop[tikv] eq(tpch.part.p_type, "SMALL PLATED COPPER") │ └─TableFullScan_115 10000000.00 cop[tikv] table:part keep order:false - └─IndexHashJoin_77(Probe) 90788402.51 root inner join, inner:IndexLookUp_74, outer key:tpch.orders.o_orderkey, inner key:tpch.lineitem.l_orderkey + └─IndexHashJoin_77(Probe) 90788402.51 root inner join, inner:IndexLookUp_74, outer key:tpch.orders.o_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey) ├─HashJoin_87(Build) 22413367.93 root inner join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] │ ├─HashJoin_89(Build) 1500000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.customer.c_nationkey)] │ │ ├─HashJoin_102(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] @@ -661,7 +661,7 @@ Projection_17 20.00 root tpch.customer.c_custkey, tpch.customer.c_name, Column# └─TopN_20 20.00 root Column#39:desc, offset:0, count:20 └─HashAgg_26 3017307.69 root group by:Column#53, Column#54, Column#55, Column#56, Column#57, Column#58, Column#59, funcs:sum(Column#45)->Column#39, funcs:firstrow(Column#46)->tpch.customer.c_custkey, funcs:firstrow(Column#47)->tpch.customer.c_name, funcs:firstrow(Column#48)->tpch.customer.c_address, funcs:firstrow(Column#49)->tpch.customer.c_phone, funcs:firstrow(Column#50)->tpch.customer.c_acctbal, funcs:firstrow(Column#51)->tpch.customer.c_comment, funcs:firstrow(Column#52)->tpch.nation.n_name └─Projection_67 12222016.17 root mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#45, tpch.customer.c_custkey, tpch.customer.c_name, tpch.customer.c_address, tpch.customer.c_phone, tpch.customer.c_acctbal, tpch.customer.c_comment, tpch.nation.n_name, tpch.customer.c_custkey, tpch.customer.c_name, tpch.customer.c_acctbal, tpch.customer.c_phone, tpch.nation.n_name, tpch.customer.c_address, tpch.customer.c_comment - └─IndexHashJoin_34 12222016.17 root inner join, inner:IndexLookUp_31, outer key:tpch.orders.o_orderkey, inner key:tpch.lineitem.l_orderkey + └─IndexHashJoin_34 12222016.17 root inner join, inner:IndexLookUp_31, outer key:tpch.orders.o_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey) ├─HashJoin_44(Build) 3017307.69 root inner join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] │ ├─TableReader_63(Build) 3017307.69 root data:Selection_62 │ │ └─Selection_62 3017307.69 cop[tikv] ge(tpch.orders.o_orderdate, 1993-08-01 00:00:00.000000), lt(tpch.orders.o_orderdate, 1993-11-01) @@ -1156,7 +1156,7 @@ Sort_28 20000.00 root tpch.supplier.s_name └─Selection_55 257492.04 root gt(cast(tpch.partsupp.ps_availqty), mul(0.5, Column#44)) └─HashAgg_58 321865.05 root group by:tpch.partsupp.ps_partkey, tpch.partsupp.ps_suppkey, funcs:firstrow(tpch.partsupp.ps_suppkey)->tpch.partsupp.ps_suppkey, funcs:firstrow(tpch.partsupp.ps_availqty)->tpch.partsupp.ps_availqty, funcs:sum(tpch.lineitem.l_quantity)->Column#44 └─HashJoin_62 9711455.06 root left outer join, equal:[eq(tpch.partsupp.ps_partkey, tpch.lineitem.l_partkey) eq(tpch.partsupp.ps_suppkey, tpch.lineitem.l_suppkey)] - ├─IndexHashJoin_69(Build) 321865.05 root inner join, inner:IndexLookUp_66, outer key:tpch.part.p_partkey, inner key:tpch.partsupp.ps_partkey + ├─IndexHashJoin_69(Build) 321865.05 root inner join, inner:IndexLookUp_66, outer key:tpch.part.p_partkey, inner key:tpch.partsupp.ps_partkey, equal cond:eq(tpch.part.p_partkey, tpch.partsupp.ps_partkey) │ ├─TableReader_98(Build) 80007.93 root data:Selection_97 │ │ └─Selection_97 80007.93 cop[tikv] like(tpch.part.p_name, "green%", 92) │ │ └─TableFullScan_96 10000000.00 cop[tikv] table:part keep order:false @@ -1218,8 +1218,8 @@ id estRows task access object operator info Projection_25 100.00 root tpch.supplier.s_name, Column#72 └─TopN_28 100.00 root Column#72:desc, tpch.supplier.s_name, offset:0, count:100 └─HashAgg_34 12800.00 root group by:tpch.supplier.s_name, funcs:count(1)->Column#72, funcs:firstrow(tpch.supplier.s_name)->tpch.supplier.s_name - └─IndexHashJoin_42 7828961.66 root anti semi join, inner:IndexLookUp_39, outer key:tpch.lineitem.l_orderkey, inner key:tpch.lineitem.l_orderkey, other cond:ne(tpch.lineitem.l_suppkey, tpch.lineitem.l_suppkey) - ├─IndexHashJoin_82(Build) 9786202.08 root semi join, inner:IndexLookUp_79, outer key:tpch.lineitem.l_orderkey, inner key:tpch.lineitem.l_orderkey, other cond:ne(tpch.lineitem.l_suppkey, tpch.lineitem.l_suppkey), ne(tpch.lineitem.l_suppkey, tpch.supplier.s_suppkey) + └─IndexHashJoin_42 7828961.66 root anti semi join, inner:IndexLookUp_39, outer key:tpch.lineitem.l_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey), other cond:ne(tpch.lineitem.l_suppkey, tpch.lineitem.l_suppkey) + ├─IndexHashJoin_82(Build) 9786202.08 root semi join, inner:IndexLookUp_79, outer key:tpch.lineitem.l_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey), other cond:ne(tpch.lineitem.l_suppkey, tpch.lineitem.l_suppkey), ne(tpch.lineitem.l_suppkey, tpch.supplier.s_suppkey) │ ├─IndexMergeJoin_101(Build) 12232752.60 root inner join, inner:TableReader_96, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey │ │ ├─HashJoin_105(Build) 12232752.60 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] │ │ │ ├─HashJoin_118(Build) 20000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] diff --git a/executor/benchmark_test.go b/executor/benchmark_test.go index 7b8b00ae04cbb..d710deb59b93e 100644 --- a/executor/benchmark_test.go +++ b/executor/benchmark_test.go @@ -1140,6 +1140,8 @@ type indexJoinTestCase struct { ctx sessionctx.Context outerJoinKeyIdx []int innerJoinKeyIdx []int + outerHashKeyIdx []int + innerHashKeyIdx []int innerIdx []int needOuterSort bool rawData string @@ -1167,6 +1169,8 @@ func defaultIndexJoinTestCase() *indexJoinTestCase { ctx: ctx, outerJoinKeyIdx: []int{0, 1}, innerJoinKeyIdx: []int{0, 1}, + outerHashKeyIdx: []int{0, 1}, + innerHashKeyIdx: []int{0, 1}, innerIdx: []int{0, 1}, rawData: wideString, } @@ -1216,12 +1220,14 @@ func prepare4IndexInnerHashJoin(tc *indexJoinTestCase, outerDS *mockDataSource, outerCtx: outerCtx{ rowTypes: leftTypes, keyCols: tc.outerJoinKeyIdx, + hashCols: tc.outerHashKeyIdx, }, innerCtx: innerCtx{ readerBuilder: &dataReaderBuilder{Plan: &mockPhysicalIndexReader{e: innerDS}, executorBuilder: newExecutorBuilder(tc.ctx, nil)}, rowTypes: rightTypes, colLens: colLens, keyCols: tc.innerJoinKeyIdx, + hashCols: tc.innerHashKeyIdx, }, workerWg: new(sync.WaitGroup), joiner: newJoiner(tc.ctx, 0, false, defaultValues, nil, leftTypes, rightTypes, nil), @@ -1484,6 +1490,8 @@ func newMergeJoinBenchmark(numOuterRows, numInnerDup, numInnerRedundant int) (tc ctx: ctx, outerJoinKeyIdx: []int{0, 1}, innerJoinKeyIdx: []int{0, 1}, + outerHashKeyIdx: []int{0, 1}, + innerHashKeyIdx: []int{0, 1}, innerIdx: []int{0, 1}, rawData: wideString, } diff --git a/executor/builder.go b/executor/builder.go index 9b514f50d8384..ad128c559b484 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -2315,12 +2315,23 @@ func (b *executorBuilder) buildIndexLookUpJoin(v *plannercore.PhysicalIndexJoin) for i := 0; i < len(v.OuterJoinKeys); i++ { outerKeyCols[i] = v.OuterJoinKeys[i].Index } - e.outerCtx.keyCols = outerKeyCols innerKeyCols := make([]int, len(v.InnerJoinKeys)) for i := 0; i < len(v.InnerJoinKeys); i++ { innerKeyCols[i] = v.InnerJoinKeys[i].Index } + e.outerCtx.keyCols = outerKeyCols e.innerCtx.keyCols = innerKeyCols + + outerHashCols, innerHashCols := make([]int, len(v.OuterHashKeys)), make([]int, len(v.InnerHashKeys)) + for i := 0; i < len(v.OuterHashKeys); i++ { + outerHashCols[i] = v.OuterHashKeys[i].Index + } + for i := 0; i < len(v.InnerHashKeys); i++ { + innerHashCols[i] = v.InnerHashKeys[i].Index + } + e.outerCtx.hashCols = outerHashCols + e.innerCtx.hashCols = innerHashCols + e.joinResult = newFirstChunk(e) executorCounterIndexLookUpJoin.Inc() return e diff --git a/executor/index_lookup_hash_join.go b/executor/index_lookup_hash_join.go index 0f886cffc9212..62fa460c39111 100644 --- a/executor/index_lookup_hash_join.go +++ b/executor/index_lookup_hash_join.go @@ -546,14 +546,14 @@ func (iw *indexHashJoinInnerWorker) buildHashTableForOuterResult(ctx context.Con continue } row := chk.GetRow(rowIdx) - keyColIdx := iw.outerCtx.keyCols - for _, i := range keyColIdx { + hashColIdx := iw.outerCtx.hashCols + for _, i := range hashColIdx { if row.IsNull(i) { continue OUTER } } h.Reset() - err := codec.HashChunkRow(iw.ctx.GetSessionVars().StmtCtx, h, row, iw.outerCtx.rowTypes, keyColIdx, buf) + err := codec.HashChunkRow(iw.ctx.GetSessionVars().StmtCtx, h, row, iw.outerCtx.rowTypes, hashColIdx, buf) failpoint.Inject("testIndexHashJoinBuildErr", func() { err = errors.New("mockIndexHashJoinBuildErr") }) @@ -644,7 +644,7 @@ func (iw *indexHashJoinInnerWorker) doJoinUnordered(ctx context.Context, task *i func (iw *indexHashJoinInnerWorker) getMatchedOuterRows(innerRow chunk.Row, task *indexHashJoinTask, h hash.Hash64, buf []byte) (matchedRows []chunk.Row, matchedRowPtr []chunk.RowPtr, err error) { h.Reset() - err = codec.HashChunkRow(iw.ctx.GetSessionVars().StmtCtx, h, innerRow, iw.rowTypes, iw.keyCols, buf) + err = codec.HashChunkRow(iw.ctx.GetSessionVars().StmtCtx, h, innerRow, iw.rowTypes, iw.hashCols, buf) if err != nil { return nil, nil, err } @@ -658,7 +658,7 @@ func (iw *indexHashJoinInnerWorker) getMatchedOuterRows(innerRow chunk.Row, task matchedRowPtr = make([]chunk.RowPtr, 0, len(iw.matchedOuterPtrs)) for _, ptr := range iw.matchedOuterPtrs { outerRow := task.outerResult.GetRow(ptr) - ok, err := codec.EqualChunkRow(iw.ctx.GetSessionVars().StmtCtx, innerRow, iw.rowTypes, iw.keyCols, outerRow, iw.outerCtx.rowTypes, iw.outerCtx.keyCols) + ok, err := codec.EqualChunkRow(iw.ctx.GetSessionVars().StmtCtx, innerRow, iw.rowTypes, iw.keyCols, outerRow, iw.outerCtx.rowTypes, iw.outerCtx.hashCols) if err != nil { return nil, nil, err } diff --git a/executor/index_lookup_join.go b/executor/index_lookup_join.go index 88af9acad2ef7..9d901d369633f 100644 --- a/executor/index_lookup_join.go +++ b/executor/index_lookup_join.go @@ -87,6 +87,7 @@ type IndexLookUpJoin struct { type outerCtx struct { rowTypes []*types.FieldType keyCols []int + hashCols []int filter expression.CNFExprs } @@ -94,6 +95,7 @@ type innerCtx struct { readerBuilder *dataReaderBuilder rowTypes []*types.FieldType keyCols []int + hashCols []int colLens []int hasPrefixCol bool } @@ -511,17 +513,17 @@ func (iw *innerWorker) constructLookupContent(task *lookUpJoinTask) ([]*indexJoi chk := task.outerResult.GetChunk(chkIdx) numRows := chk.NumRows() for rowIdx := 0; rowIdx < numRows; rowIdx++ { - dLookUpKey, err := iw.constructDatumLookupKey(task, chkIdx, rowIdx) + dLookUpKey, dHashKey, err := iw.constructDatumLookupKey(task, chkIdx, rowIdx) if err != nil { return nil, err } - if dLookUpKey == nil { + if dHashKey == nil { // Append null to make looUpKeys the same length as outer Result. task.encodedLookUpKeys[chkIdx].AppendNull(0) continue } keyBuf = keyBuf[:0] - keyBuf, err = codec.EncodeKey(iw.ctx.GetSessionVars().StmtCtx, keyBuf, dLookUpKey...) + keyBuf, err = codec.EncodeKey(iw.ctx.GetSessionVars().StmtCtx, keyBuf, dHashKey...) if err != nil { return nil, err } @@ -548,45 +550,49 @@ func (iw *innerWorker) constructLookupContent(task *lookUpJoinTask) ([]*indexJoi return lookUpContents, nil } -func (iw *innerWorker) constructDatumLookupKey(task *lookUpJoinTask, chkIdx, rowIdx int) ([]types.Datum, error) { +func (iw *innerWorker) constructDatumLookupKey(task *lookUpJoinTask, chkIdx, rowIdx int) ([]types.Datum, []types.Datum, error) { if task.outerMatch != nil && !task.outerMatch[chkIdx][rowIdx] { - return nil, nil + return nil, nil, nil } outerRow := task.outerResult.GetChunk(chkIdx).GetRow(rowIdx) sc := iw.ctx.GetSessionVars().StmtCtx keyLen := len(iw.keyCols) dLookupKey := make([]types.Datum, 0, keyLen) - for i, keyCol := range iw.outerCtx.keyCols { - outerValue := outerRow.GetDatum(keyCol, iw.outerCtx.rowTypes[keyCol]) + dHashKey := make([]types.Datum, 0, len(iw.hashCols)) + for i, hashCol := range iw.outerCtx.hashCols { + outerValue := outerRow.GetDatum(hashCol, iw.outerCtx.rowTypes[hashCol]) // Join-on-condition can be promised to be equal-condition in // IndexNestedLoopJoin, thus the filter will always be false if // outerValue is null, and we don't need to lookup it. if outerValue.IsNull() { - return nil, nil + return nil, nil, nil } - innerColType := iw.rowTypes[iw.keyCols[i]] + innerColType := iw.rowTypes[iw.hashCols[i]] innerValue, err := outerValue.ConvertTo(sc, innerColType) if err != nil { // If the converted outerValue overflows, we don't need to lookup it. if terror.ErrorEqual(err, types.ErrOverflow) { - return nil, nil + return nil, nil, nil } if terror.ErrorEqual(err, types.ErrTruncated) && (innerColType.Tp == mysql.TypeSet || innerColType.Tp == mysql.TypeEnum) { - return nil, nil + return nil, nil, nil } - return nil, err + return nil, nil, err } cmp, err := outerValue.CompareDatum(sc, &innerValue) if err != nil { - return nil, err + return nil, nil, err } if cmp != 0 { // If the converted outerValue is not equal to the origin outerValue, we don't need to lookup it. - return nil, nil + return nil, nil, nil + } + if i < keyLen { + dLookupKey = append(dLookupKey, innerValue) } - dLookupKey = append(dLookupKey, innerValue) + dHashKey = append(dHashKey, innerValue) } - return dLookupKey, nil + return dLookupKey, dHashKey, nil } func (iw *innerWorker) sortAndDedupLookUpContents(lookUpContents []*indexJoinLookUpContent) []*indexJoinLookUpContent { @@ -681,7 +687,7 @@ func (iw *innerWorker) buildLookUpMap(task *lookUpJoinTask) error { } keyBuf = keyBuf[:0] - for _, keyCol := range iw.keyCols { + for _, keyCol := range iw.hashCols { d := innerRow.GetDatum(keyCol, iw.rowTypes[keyCol]) var err error keyBuf, err = codec.EncodeKey(iw.ctx.GetSessionVars().StmtCtx, keyBuf, d) @@ -698,7 +704,7 @@ func (iw *innerWorker) buildLookUpMap(task *lookUpJoinTask) error { } func (iw *innerWorker) hasNullInJoinKey(row chunk.Row) bool { - for _, ordinal := range iw.keyCols { + for _, ordinal := range iw.hashCols { if row.IsNull(ordinal) { return true } diff --git a/executor/join_test.go b/executor/join_test.go index e83c019d0ba09..402b6458f9034 100644 --- a/executor/join_test.go +++ b/executor/join_test.go @@ -1281,7 +1281,7 @@ func (s *testSuiteJoin1) TestIndexLookupJoin(c *C) { tk.MustQuery("desc select /*+ TIDB_INLJ(s) */ count(*) from t join s use index(idx) on s.a = t.a and s.b < t.b").Check(testkit.Rows( "HashAgg_9 1.00 root funcs:count(1)->Column#6", - "└─IndexJoin_16 64.00 root inner join, inner:IndexReader_15, outer key:test.t.a, inner key:test.s.a, other cond:lt(test.s.b, test.t.b)", + "└─IndexJoin_16 64.00 root inner join, inner:IndexReader_15, outer key:test.t.a, inner key:test.s.a, equal cond:eq(test.t.a, test.s.a), other cond:lt(test.s.b, test.t.b)", " ├─TableReader_26(Build) 64.00 root data:Selection_25", " │ └─Selection_25 64.00 cop[tikv] not(isnull(test.t.b))", " │ └─TableFullScan_24 64.00 cop[tikv] table:t keep order:false", @@ -1308,7 +1308,7 @@ func (s *testSuiteJoin1) TestIndexLookupJoin(c *C) { tk.MustQuery("desc select /*+ INL_HASH_JOIN(s) */ count(*) from t join s use index(idx) on s.a = t.a and s.b < t.b").Check(testkit.Rows( "HashAgg_9 1.00 root funcs:count(1)->Column#6", - "└─IndexHashJoin_18 64.00 root inner join, inner:IndexReader_15, outer key:test.t.a, inner key:test.s.a, other cond:lt(test.s.b, test.t.b)", + "└─IndexHashJoin_18 64.00 root inner join, inner:IndexReader_15, outer key:test.t.a, inner key:test.s.a, equal cond:eq(test.t.a, test.s.a), other cond:lt(test.s.b, test.t.b)", " ├─TableReader_26(Build) 64.00 root data:Selection_25", " │ └─Selection_25 64.00 cop[tikv] not(isnull(test.t.b))", " │ └─TableFullScan_24 64.00 cop[tikv] table:t keep order:false", @@ -1354,7 +1354,7 @@ func (s *testSuiteJoinSerial) TestIndexNestedLoopHashJoin(c *C) { tk.MustExec("analyze table s") // Test IndexNestedLoopHashJoin keepOrder. tk.MustQuery("explain select /*+ INL_HASH_JOIN(s) */ * from t left join s on t.a=s.a order by t.pk").Check(testkit.Rows( - "IndexHashJoin_27 100.00 root left outer join, inner:TableReader_22, outer key:test.t.a, inner key:test.s.a", + "IndexHashJoin_27 100.00 root left outer join, inner:TableReader_22, outer key:test.t.a, inner key:test.s.a, equal cond:eq(test.t.a, test.s.a)", "├─TableReader_30(Build) 100.00 root data:TableFullScan_29", "│ └─TableFullScan_29 100.00 cop[tikv] table:t keep order:true", "└─TableReader_22(Probe) 1.00 root data:TableRangeScan_21", @@ -1390,7 +1390,7 @@ func (s *testSuiteJoinSerial) TestIndexNestedLoopHashJoin(c *C) { tk.MustExec("set @@tidb_index_join_batch_size=2") tk.MustQuery("desc select * from t l1 where exists ( select * from t l2 where l2.l_orderkey = l1.l_orderkey and l2.l_suppkey <> l1.l_suppkey ) order by `l_orderkey`,`l_linenumber`;").Check(testkit.Rows( "Sort_9 7.20 root test.t.l_orderkey, test.t.l_linenumber", - "└─IndexHashJoin_17 7.20 root semi join, inner:IndexLookUp_15, outer key:test.t.l_orderkey, inner key:test.t.l_orderkey, other cond:ne(test.t.l_suppkey, test.t.l_suppkey)", + "└─IndexHashJoin_17 7.20 root semi join, inner:IndexLookUp_15, outer key:test.t.l_orderkey, inner key:test.t.l_orderkey, equal cond:eq(test.t.l_orderkey, test.t.l_orderkey), other cond:ne(test.t.l_suppkey, test.t.l_suppkey)", " ├─TableReader_20(Build) 9.00 root data:Selection_19", " │ └─Selection_19 9.00 cop[tikv] not(isnull(test.t.l_suppkey))", " │ └─TableFullScan_18 9.00 cop[tikv] table:l1 keep order:false", @@ -1401,7 +1401,7 @@ func (s *testSuiteJoinSerial) TestIndexNestedLoopHashJoin(c *C) { tk.MustQuery("select * from t l1 where exists ( select * from t l2 where l2.l_orderkey = l1.l_orderkey and l2.l_suppkey <> l1.l_suppkey )order by `l_orderkey`,`l_linenumber`;").Check(testkit.Rows("0 0 0 0", "0 1 0 1", "0 2 0 0", "1 0 1 0", "1 1 1 1", "1 2 1 0", "2 0 0 0", "2 1 0 1", "2 2 0 0")) tk.MustQuery("desc select count(*) from t l1 where exists ( select * from t l2 where l2.l_orderkey = l1.l_orderkey and l2.l_suppkey <> l1.l_suppkey );").Check(testkit.Rows( "StreamAgg_14 1.00 root funcs:count(1)->Column#11", - "└─IndexHashJoin_29 7.20 root semi join, inner:IndexLookUp_27, outer key:test.t.l_orderkey, inner key:test.t.l_orderkey, other cond:ne(test.t.l_suppkey, test.t.l_suppkey)", + "└─IndexHashJoin_29 7.20 root semi join, inner:IndexLookUp_27, outer key:test.t.l_orderkey, inner key:test.t.l_orderkey, equal cond:eq(test.t.l_orderkey, test.t.l_orderkey), other cond:ne(test.t.l_suppkey, test.t.l_suppkey)", " ├─TableReader_23(Build) 9.00 root data:Selection_22", " │ └─Selection_22 9.00 cop[tikv] not(isnull(test.t.l_suppkey))", " │ └─TableFullScan_21 9.00 cop[tikv] table:l1 keep order:false", @@ -1497,7 +1497,7 @@ func (s *testSuiteJoin3) TestIssue13449(c *C) { tk.MustExec("set @@tidb_index_join_batch_size=32;") tk.MustQuery("desc select /*+ INL_HASH_JOIN(s) */ * from t join s on t.a=s.a order by t.a;").Check(testkit.Rows( - "IndexHashJoin_30 12487.50 root inner join, inner:IndexReader_27, outer key:test.t.a, inner key:test.s.a", + "IndexHashJoin_30 12487.50 root inner join, inner:IndexReader_27, outer key:test.t.a, inner key:test.s.a, equal cond:eq(test.t.a, test.s.a)", "├─IndexReader_37(Build) 9990.00 root index:IndexFullScan_36", "│ └─IndexFullScan_36 9990.00 cop[tikv] table:t, index:a(a) keep order:true, stats:pseudo", "└─IndexReader_27(Probe) 1.25 root index:Selection_26", @@ -2085,7 +2085,7 @@ func (s *testSuiteJoinSerial) TestOuterTableBuildHashTableIsuse13933(c *C) { tk.MustExec("Insert into t values (11,2),(1,2),(5,2)") tk.MustQuery("select /*+ INL_HASH_JOIN(s)*/ * from t left join s on s.b=t.b and s.a < t.a;").Sort().Check(testkit.Rows("1 2 ", "11 2 1 2", "5 2 1 2")) tk.MustQuery("explain select /*+ INL_HASH_JOIN(s)*/ * from t left join s on s.b=t.b and s.a < t.a;").Check(testkit.Rows( - "IndexHashJoin_14 12475.01 root left outer join, inner:IndexLookUp_11, outer key:test.t.b, inner key:test.s.b, other cond:lt(test.s.a, test.t.a)", + "IndexHashJoin_14 12475.01 root left outer join, inner:IndexLookUp_11, outer key:test.t.b, inner key:test.s.b, equal cond:eq(test.t.b, test.s.b), other cond:lt(test.s.a, test.t.a)", "├─TableReader_24(Build) 10000.00 root data:TableFullScan_23", "│ └─TableFullScan_23 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", "└─IndexLookUp_11(Probe) 1.25 root ", @@ -2174,6 +2174,7 @@ func (s *testSuiteJoinSerial) TestInlineProjection4HashJoinIssue15316(c *C) { defer func() { plannercore.ForcedHashLeftJoin4Test = false }() tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") + tk.MustExec("drop table if exists S, T") tk.MustExec("create table S (a int not null, b int, c int);") tk.MustExec("create table T (a int not null, b int, c int);") tk.MustExec("insert into S values (0,1,2),(0,1,null),(0,1,2);") @@ -2456,6 +2457,29 @@ func (s *testSuiteJoinSerial) TestIssue20270(c *C) { failpoint.Disable("github.com/pingcap/tidb/executor/killedInJoin2ChunkForOuterHashJoin") } +func (s *testSuiteJoinSerial) TestIssue20710(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("drop table if exists t;") + tk.MustExec("drop table if exists s;") + tk.MustExec("create table t(a int, b int)") + tk.MustExec("create table s(a int, b int, index(a))") + tk.MustExec("insert into t values(1,1),(1,2),(2,2)") + tk.MustExec("insert into s values(1,1),(2,2),(2,1)") + tk.MustQuery("select /*+ inl_join(s) */ * from t join s on t.a=s.a and t.b = s.b").Sort().Check(testkit.Rows("1 1 1 1", "2 2 2 2")) + tk.MustQuery("show warnings").Check(testkit.Rows()) + tk.MustQuery("select /*+ inl_join(s) */ * from t join s on t.a=s.a and t.b = s.a").Sort().Check(testkit.Rows("1 1 1 1", "2 2 2 1", "2 2 2 2")) + tk.MustQuery("show warnings").Check(testkit.Rows()) + tk.MustQuery("select /*+ inl_join(s) */ * from t join s on t.a=s.a and t.a = s.b").Sort().Check(testkit.Rows("1 1 1 1", "1 2 1 1", "2 2 2 2")) + tk.MustQuery("show warnings").Check(testkit.Rows()) + + tk.MustQuery("select /*+ inl_join(s) */ * from t join s on t.a=s.a and t.b = s.b").Sort().Check(testkit.Rows("1 1 1 1", "2 2 2 2")) + tk.MustQuery("show warnings").Check(testkit.Rows()) + tk.MustQuery("select /*+ inl_join(s) */ * from t join s on t.a=s.a and t.b = s.a").Sort().Check(testkit.Rows("1 1 1 1", "2 2 2 1", "2 2 2 2")) + tk.MustQuery("show warnings").Check(testkit.Rows()) + tk.MustQuery("select /*+ inl_join(s) */ * from t join s on t.a=s.a and t.a = s.b").Sort().Check(testkit.Rows("1 1 1 1", "1 2 1 1", "2 2 2 2")) + tk.MustQuery("show warnings").Check(testkit.Rows()) +} + func (s *testSuiteJoinSerial) TestIssue20779(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("drop table if exists t1") diff --git a/expression/testdata/partition_pruner_out.json b/expression/testdata/partition_pruner_out.json index 83bb20f469aaa..c7d56352a64d6 100644 --- a/expression/testdata/partition_pruner_out.json +++ b/expression/testdata/partition_pruner_out.json @@ -765,7 +765,7 @@ ], "Plan": [ "StreamAgg_12 1.00 root funcs:count(1)->Column#9", - "└─IndexJoin_34 4.00 root inner join, inner:IndexReader_33, outer key:test_partition.t6.b, inner key:test_partition.t5.b", + "└─IndexJoin_34 4.00 root inner join, inner:IndexReader_33, outer key:test_partition.t6.b, inner key:test_partition.t5.b, equal cond:eq(test_partition.t6.b, test_partition.t5.b)", " ├─IndexReader_27(Build) 4.00 root partition:p0 index:Selection_26", " │ └─Selection_26 4.00 cop[tikv] not(isnull(test_partition.t6.b))", " │ └─IndexRangeScan_25 4.00 cop[tikv] table:t6, index:a(a, b) range:[1 1,1 1], [1 6,1 6], [2 1,2 1], [2 6,2 6], keep order:false, stats:pseudo", @@ -781,7 +781,7 @@ ], "Plan": [ "StreamAgg_12 1.00 root funcs:count(1)->Column#9", - "└─IndexHashJoin_36 4.00 root inner join, inner:IndexReader_33, outer key:test_partition.t6.b, inner key:test_partition.t5.b", + "└─IndexHashJoin_36 4.00 root inner join, inner:IndexReader_33, outer key:test_partition.t6.b, inner key:test_partition.t5.b, equal cond:eq(test_partition.t6.b, test_partition.t5.b)", " ├─IndexReader_27(Build) 4.00 root partition:p0 index:Selection_26", " │ └─Selection_26 4.00 cop[tikv] not(isnull(test_partition.t6.b))", " │ └─IndexRangeScan_25 4.00 cop[tikv] table:t6, index:a(a, b) range:[1 1,1 1], [1 6,1 6], [2 1,2 1], [2 6,2 6], keep order:false, stats:pseudo", diff --git a/planner/core/exhaust_physical_plans.go b/planner/core/exhaust_physical_plans.go index dfd9d78b7b774..b3ca49f4b0820 100644 --- a/planner/core/exhaust_physical_plans.go +++ b/planner/core/exhaust_physical_plans.go @@ -391,6 +391,7 @@ func (p *LogicalJoin) getHashJoin(prop *property.PhysicalProperty, innerIdx int, // When inner plan is TableReader, the parameter `ranges` will be nil. Because pk only have one column. So all of its range // is generated during execution time. func (p *LogicalJoin) constructIndexJoin( + joinTP string, prop *property.PhysicalProperty, outerIdx int, innerTask task, @@ -437,6 +438,38 @@ func (p *LogicalJoin) constructIndexJoin( newIsNullEQ = append(newIsNullEQ, isNullEQ[keyOff]) newKeyOff = append(newKeyOff, idxOff) } + + var outerHashKeys, innerHashKeys []*expression.Column + // HashKey is only used for IndexJoin and IndexHashJoin since they need to + // build hash tables. + if joinTP != plancodec.TypeIndexMergeJoin { + outerHashKeys, innerHashKeys = make([]*expression.Column, len(newOuterKeys)), make([]*expression.Column, len(newInnerKeys)) + copy(outerHashKeys, newOuterKeys) + copy(innerHashKeys, newInnerKeys) + // we can use the `col col` in `OtherCondition` to build the hashtable to avoid the unnecessary calculating. + for i := len(newOtherConds) - 1; i >= 0; i = i - 1 { + switch c := newOtherConds[i].(type) { + case *expression.ScalarFunction: + if c.FuncName.L == ast.EQ { + lhs, ok1 := c.GetArgs()[0].(*expression.Column) + rhs, ok2 := c.GetArgs()[1].(*expression.Column) + if ok1 && ok2 { + outerSchema, innerSchema := p.Children()[outerIdx].Schema(), p.Children()[1-outerIdx].Schema() + if outerSchema.Contains(lhs) && innerSchema.Contains(rhs) { + outerHashKeys = append(outerHashKeys, lhs) + innerHashKeys = append(innerHashKeys, rhs) + } else if innerSchema.Contains(lhs) && outerSchema.Contains(rhs) { + outerHashKeys = append(outerHashKeys, rhs) + innerHashKeys = append(innerHashKeys, lhs) + } + newOtherConds = append(newOtherConds[:i], newOtherConds[i+1:]...) + } + } + default: + continue + } + } + } baseJoin := basePhysicalJoin{ InnerChildIdx: 1 - outerIdx, LeftConditions: p.LeftConditions, @@ -454,6 +487,8 @@ func (p *LogicalJoin) constructIndexJoin( KeyOff2IdxOff: newKeyOff, Ranges: ranges, CompareFilters: compareFilters, + OuterHashKeys: outerHashKeys, + InnerHashKeys: innerHashKeys, }.Init(p.ctx, p.stats.ScaleByExpectCnt(prop.ExpectedCnt), p.blockOffset, chReqProps...) if path != nil { join.IdxColLens = path.IdxColLens @@ -471,7 +506,7 @@ func (p *LogicalJoin) constructIndexMergeJoin( path *util.AccessPath, compareFilters *ColWithCmpFuncManager, ) []PhysicalPlan { - indexJoins := p.constructIndexJoin(prop, outerIdx, innerTask, ranges, keyOff2IdxOff, path, compareFilters) + indexJoins := p.constructIndexJoin(plancodec.TypeIndexMergeJoin, prop, outerIdx, innerTask, ranges, keyOff2IdxOff, path, compareFilters) indexMergeJoins := make([]PhysicalPlan, 0, len(indexJoins)) for _, plan := range indexJoins { join := plan.(*PhysicalIndexJoin) @@ -556,7 +591,7 @@ func (p *LogicalJoin) constructIndexHashJoin( path *util.AccessPath, compareFilters *ColWithCmpFuncManager, ) []PhysicalPlan { - indexJoins := p.constructIndexJoin(prop, outerIdx, innerTask, ranges, keyOff2IdxOff, path, compareFilters) + indexJoins := p.constructIndexJoin(plancodec.TypeIndexHashJoin, prop, outerIdx, innerTask, ranges, keyOff2IdxOff, path, compareFilters) indexHashJoins := make([]PhysicalPlan, 0, len(indexJoins)) for _, plan := range indexJoins { join := plan.(*PhysicalIndexJoin) @@ -724,7 +759,7 @@ func (p *LogicalJoin) buildIndexJoinInner2TableScan( failpoint.Return(p.constructIndexHashJoin(prop, outerIdx, innerTask, nil, keyOff2IdxOff, nil, nil)) } }) - joins = append(joins, p.constructIndexJoin(prop, outerIdx, innerTask, ranges, keyOff2IdxOff, nil, nil)...) + joins = append(joins, p.constructIndexJoin(plancodec.TypeIndexJoin, prop, outerIdx, innerTask, ranges, keyOff2IdxOff, nil, nil)...) // We can reuse the `innerTask` here since index nested loop hash join // do not need the inner child to promise the order. joins = append(joins, p.constructIndexHashJoin(prop, outerIdx, innerTask, ranges, keyOff2IdxOff, nil, nil)...) @@ -759,7 +794,7 @@ func (p *LogicalJoin) buildIndexJoinInner2IndexScan( failpoint.Return(p.constructIndexHashJoin(prop, outerIdx, innerTask, helper.chosenRanges, keyOff2IdxOff, helper.chosenPath, helper.lastColManager)) } }) - joins = append(joins, p.constructIndexJoin(prop, outerIdx, innerTask, helper.chosenRanges, keyOff2IdxOff, helper.chosenPath, helper.lastColManager)...) + joins = append(joins, p.constructIndexJoin(plancodec.TypeIndexJoin, prop, outerIdx, innerTask, helper.chosenRanges, keyOff2IdxOff, helper.chosenPath, helper.lastColManager)...) // We can reuse the `innerTask` here since index nested loop hash join // do not need the inner child to promise the order. joins = append(joins, p.constructIndexHashJoin(prop, outerIdx, innerTask, helper.chosenRanges, keyOff2IdxOff, helper.chosenPath, helper.lastColManager)...) diff --git a/planner/core/explain.go b/planner/core/explain.go index bdbb65d4b7087..79a5569b4f6b1 100644 --- a/planner/core/explain.go +++ b/planner/core/explain.go @@ -21,6 +21,7 @@ import ( "github.com/pingcap/parser/ast" "github.com/pingcap/parser/model" + "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/expression/aggregation" "github.com/pingcap/tidb/infoschema" @@ -28,6 +29,7 @@ import ( "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/statistics" "github.com/pingcap/tidb/table" + "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/stringutil" ) @@ -510,6 +512,18 @@ func (p *PhysicalIndexJoin) explainInfo(normalized bool) string { fmt.Fprintf(buffer, ", inner key:%s", expression.ExplainColumnList(p.InnerJoinKeys)) } + + if len(p.OuterHashKeys) > 0 { + exprs := make([]expression.Expression, 0, len(p.OuterHashKeys)) + for i := range p.OuterHashKeys { + expr, err := expression.NewFunctionBase(MockContext(), ast.EQ, types.NewFieldType(mysql.TypeLonglong), p.OuterHashKeys[i], p.InnerHashKeys[i]) + if err != nil { + } + exprs = append(exprs, expr) + } + fmt.Fprintf(buffer, ", equal cond:%s", + sortedExplainExpressionList(exprs)) + } if len(p.LeftConditions) > 0 { fmt.Fprintf(buffer, ", left cond:%s", sortedExplainExpressionList(p.LeftConditions)) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 63efdac7648bb..826cbbfbb8475 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1823,6 +1823,31 @@ func (s *testIntegrationSuite) TestPartitionUnionWithPPruningColumn(c *C) { } +func (s *testIntegrationSerialSuite) TestIssue20710(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("drop table if exists t;") + tk.MustExec("drop table if exists s;") + tk.MustExec("create table t(a int, b int)") + tk.MustExec("create table s(a int, b int, index(a))") + tk.MustExec("insert into t values(1,1),(1,2),(2,2)") + tk.MustExec("insert into s values(1,1),(2,2),(2,1)") + + var input []string + var output []struct { + SQL string + Plan []string + } + s.testData.GetTestCases(c, &input, &output) + for i, tt := range input { + s.testData.OnRecord(func() { + output[i].SQL = tt + output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows()) + }) + res := tk.MustQuery(tt) + res.Check(testkit.Rows(output[i].Plan...)) + } +} + func (s *testIntegrationSuite) TestIssue10448(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/planner/core/physical_plans.go b/planner/core/physical_plans.go index 832e9a452de05..1e68984b6e4f7 100644 --- a/planner/core/physical_plans.go +++ b/planner/core/physical_plans.go @@ -796,6 +796,12 @@ type PhysicalIndexJoin struct { // need to be evaluated after we fetch the data of t1. // This struct stores them and evaluate them to ranges. CompareFilters *ColWithCmpFuncManager + // OuterHashKeys indicates the outer keys used to build hash table during + // execution. OuterJoinKeys is the prefix of OuterHashKeys. + OuterHashKeys []*expression.Column + // InnerHashKeys indicates the inner keys used to build hash table during + // execution. InnerJoinKeys is the prefix of InnerHashKeys. + InnerHashKeys []*expression.Column } // PhysicalIndexMergeJoin represents the plan of index look up merge join. diff --git a/planner/core/resolve_indices.go b/planner/core/resolve_indices.go index fc2c85e0fc0d2..8f4a35f2211bd 100644 --- a/planner/core/resolve_indices.go +++ b/planner/core/resolve_indices.go @@ -251,6 +251,17 @@ func (p *PhysicalIndexJoin) ResolveIndices() (err error) { p.CompareFilters.affectedColSchema.Columns[i] = resolvedCol.(*expression.Column) } } + for i := range p.OuterHashKeys { + outerKey, err := p.OuterHashKeys[i].ResolveIndices(p.children[1-p.InnerChildIdx].Schema()) + if err != nil { + return err + } + innerKey, err := p.InnerHashKeys[i].ResolveIndices(p.children[p.InnerChildIdx].Schema()) + if err != nil { + return err + } + p.OuterHashKeys[i], p.InnerHashKeys[i] = outerKey.(*expression.Column), innerKey.(*expression.Column) + } return } diff --git a/planner/core/testdata/analyze_suite_out.json b/planner/core/testdata/analyze_suite_out.json index e7d6df463ef1c..ef7a4b7303c05 100644 --- a/planner/core/testdata/analyze_suite_out.json +++ b/planner/core/testdata/analyze_suite_out.json @@ -142,7 +142,7 @@ "explain select /*+ TIDB_INLJ(t2) */ * from t1 join t2 on t2.a=t1.a and t2.b>t1.b-1 and t2.b1;", "Plan": [ - " IndexJoin root inner join, inner:TableReader, outer key:test.t1.a, inner key:test.t2.a", + " IndexJoin root inner join, inner:TableReader, outer key:test.t1.a, inner key:test.t2.a, equal cond:eq(test.t1.a, test.t2.a)", " ├─TableReader root ", " │ └─Selection cop gt(test.t1.c, ?)", " │ └─TableScan cop table:t1, range:[?,?], keep order:false", @@ -123,7 +123,7 @@ { "SQL": "SELECT /*+ TIDB_INLJ(t1, t2) */ * from t1, t2 where t1.a = t2.a and t1.c>1;", "Plan": [ - " IndexJoin root inner join, inner:TableReader, outer key:test.t1.a, inner key:test.t2.a", + " IndexJoin root inner join, inner:TableReader, outer key:test.t1.a, inner key:test.t2.a, equal cond:eq(test.t1.a, test.t2.a)", " ├─TableReader root ", " │ └─Selection cop gt(test.t1.c, ?)", " │ └─TableScan cop table:t1, range:[?,?], keep order:false", diff --git a/planner/core/testdata/plan_suite_out.json b/planner/core/testdata/plan_suite_out.json index 4b23877d0bd01..074fcc6ba52ee 100644 --- a/planner/core/testdata/plan_suite_out.json +++ b/planner/core/testdata/plan_suite_out.json @@ -1327,7 +1327,7 @@ "explain select /*+ TIDB_INLJ(t2) */ * from t t1, t t2 where t1.a = t2.a" ], "Plan": [ - "IndexJoin_12 12500.00 root inner join, inner:UnionScan_11, outer key:test.t.a, inner key:test.t.a", + "IndexJoin_12 12500.00 root inner join, inner:UnionScan_11, outer key:test.t.a, inner key:test.t.a, equal cond:eq(test.t.a, test.t.a)", "├─UnionScan_15(Build) 10000.00 root ", "│ └─TableReader_17 10000.00 root data:TableFullScan_16", "│ └─TableFullScan_16 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", From f0bef40d6bb83bca960c3b84a8f3e1b34af61016 Mon Sep 17 00:00:00 2001 From: lance6716 Date: Mon, 16 Nov 2020 17:25:27 +0800 Subject: [PATCH 0225/1021] dep: update etcd and other dependencies for lightning and CDC (#21076) --- executor/brie.go | 1 + go.mod | 27 ++++++---- go.sum | 136 ++++++++++++++++++++++++++++++++++++++++++++--- 3 files changed, 148 insertions(+), 16 deletions(-) diff --git a/executor/brie.go b/executor/brie.go index 4dd86aa9fdb1b..1852a7d23421d 100644 --- a/executor/brie.go +++ b/executor/brie.go @@ -29,6 +29,7 @@ import ( "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" + _ "github.com/pingcap/tidb-lightning/lightning" // stub that update go.mod filter "github.com/pingcap/tidb-tools/pkg/table-filter" pd "github.com/tikv/pd/client" diff --git a/go.mod b/go.mod index 4079101896b74..b39702a72a1d4 100644 --- a/go.mod +++ b/go.mod @@ -1,13 +1,15 @@ module github.com/pingcap/tidb require ( - cloud.google.com/go v0.51.0 // indirect github.com/BurntSushi/toml v0.3.1 + github.com/DATA-DOG/go-sqlmock v1.5.0 // indirect github.com/HdrHistogram/hdrhistogram-go v0.9.0 // indirect github.com/Jeffail/gabs/v2 v2.5.1 github.com/aws/aws-sdk-go v1.30.24 // indirect github.com/blacktear23/go-proxyprotocol v0.0.0-20180807104634-af7a81e8dd0d + github.com/carlmjohnson/flagext v0.20.2 // indirect github.com/cheggaaa/pb/v3 v3.0.4 // indirect + github.com/cockroachdb/pebble v0.0.0-20200617141519-3b241b76ed3b // indirect github.com/codahale/hdrhistogram v0.9.0 // indirect github.com/coreos/go-semver v0.3.0 // indirect github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f // indirect @@ -21,7 +23,7 @@ require ( github.com/go-sql-driver/mysql v1.5.0 github.com/gogo/protobuf v1.3.1 github.com/golang/protobuf v1.3.4 - github.com/golang/snappy v0.0.1 + github.com/golang/snappy v0.0.2-0.20190904063534-ff6b7dc882cf github.com/google/btree v1.0.0 github.com/google/pprof v0.0.0-20200407044318-7d83b28da2e9 github.com/google/uuid v1.1.1 @@ -30,12 +32,15 @@ require ( github.com/grpc-ecosystem/go-grpc-middleware v1.1.0 github.com/grpc-ecosystem/grpc-gateway v1.14.3 // indirect github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334 + github.com/joho/sqltocsv v0.0.0-20190824231449-5650f27fd5b6 // indirect github.com/klauspost/cpuid v1.2.1 + github.com/kr/text v0.2.0 // indirect github.com/mattn/go-colorable v0.1.6 // indirect github.com/montanaflynn/stats v0.5.0 // indirect github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7 github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef github.com/ngaut/unistore v0.0.0-20201026053041-4333e8d852f1 + github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect github.com/onsi/ginkgo v1.9.0 // indirect github.com/onsi/gomega v1.6.0 // indirect github.com/opentracing/basictracer-go v1.0.0 @@ -53,18 +58,19 @@ require ( github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 github.com/pingcap/parser v0.0.0-20201112065012-c9380f220ff9 github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 + github.com/pingcap/tidb-lightning v4.0.9-0.20201106041742-a1ac97827a27+incompatible github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f github.com/prometheus/client_golang v1.5.1 github.com/prometheus/client_model v0.2.0 github.com/prometheus/common v0.9.1 - github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect github.com/shirou/gopsutil v2.20.3+incompatible github.com/sirupsen/logrus v1.6.0 github.com/soheilhy/cmux v0.1.4 github.com/spaolacci/murmur3 v1.1.0 // indirect github.com/spf13/cobra v1.0.0 // indirect github.com/spf13/pflag v1.0.5 // indirect + github.com/stretchr/testify v1.6.1 // indirect github.com/syndtr/goleveldb v1.0.1-0.20190318030020-c3a204f8e965 // indirect github.com/tiancaiamao/appdash v0.0.0-20181126055449-889f96f722a2 github.com/tikv/pd v1.1.0-beta.0.20200910042021-254d1345be09 @@ -72,26 +78,27 @@ require ( github.com/uber-go/atomic v1.4.0 github.com/uber/jaeger-client-go v2.22.1+incompatible github.com/uber/jaeger-lib v2.4.0+incompatible // indirect + github.com/xitongsys/parquet-go v1.5.4 // indirect github.com/zhangjinpeng1987/raft v0.0.0-20200819064223-df31bb68a018 // indirect go.etcd.io/bbolt v1.3.4 // indirect - go.etcd.io/etcd v0.5.0-alpha.5.0.20191023171146-3cf2f69b5738 + go.etcd.io/etcd v0.5.0-alpha.5.0.20200824191128-ae9734ed278b go.uber.org/atomic v1.7.0 go.uber.org/automaxprocs v1.2.0 go.uber.org/multierr v1.6.0 // indirect go.uber.org/zap v1.16.0 + golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a // indirect golang.org/x/lint v0.0.0-20200302205851-738671d3881b // indirect golang.org/x/net v0.0.0-20200904194848-62affa334b73 - golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d // indirect - golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208 + golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9 golang.org/x/sys v0.0.0-20200819171115-d785dc25833f golang.org/x/text v0.3.4 - golang.org/x/time v0.0.0-20191024005414-555d28b269f0 // indirect golang.org/x/tools v0.0.0-20200820010801-b793a1359eac - google.golang.org/api v0.15.1 // indirect - google.golang.org/genproto v0.0.0-20200108215221-bd8f9a0ef82f // indirect - google.golang.org/grpc v1.26.0 + google.golang.org/grpc v1.27.1 + gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b // indirect gopkg.in/natefinch/lumberjack.v2 v2.0.0 + gopkg.in/yaml.v2 v2.3.0 // indirect honnef.co/go/tools v0.0.1-2020.1.6 // indirect + modernc.org/mathutil v1.1.1 // indirect sigs.k8s.io/yaml v1.2.0 // indirect sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0 sourcegraph.com/sourcegraph/appdash-data v0.0.0-20151005221446-73f23eafcf67 diff --git a/go.sum b/go.sum index c999e41d85b47..3e71d8fca7de8 100644 --- a/go.sum +++ b/go.sum @@ -7,23 +7,34 @@ cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTj cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0= cloud.google.com/go v0.50.0 h1:0E3eE8MX426vUOs7aHfI7aN1BrIzzzf4ccKCSfSjGmc= cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To= -cloud.google.com/go v0.51.0 h1:PvKAVQWCtlGUSlZkGW3QLelKaWq7KYv/MW1EboG8bfM= -cloud.google.com/go v0.51.0/go.mod h1:hWtGJ6gnXH+KgDv+V0zFGDvpi07n3z8ZNj3T1RW0Gcw= +cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4= +cloud.google.com/go v0.53.0 h1:MZQCQQaRwOrAcuKjiHWHrgKykt4fZyuwF2dtiG3fGW8= +cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M= cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o= cloud.google.com/go/bigquery v1.3.0 h1:sAbMqjY1PEQKZBWfbu6Y6bsupJ9c4QdHnzg/VvYTLcE= cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE= +cloud.google.com/go/bigquery v1.4.0 h1:xE3CPsOgttP4ACBePh79zTKALtXwn/Edhcr16R5hMWU= +cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc= cloud.google.com/go/datastore v1.0.0 h1:Kt+gOPPp2LEPWp8CSfxhsM8ik9CcyE/gYu+0r+RnZvM= cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE= +cloud.google.com/go/datastore v1.1.0 h1:/May9ojXjRkPBNVrq+oWLqmWCkr4OU5uRY29bu0mRyQ= +cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk= cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I= cloud.google.com/go/pubsub v1.1.0 h1:9/vpR43S4aJaROxqQHQ3nH9lfyKKV0dC3vOmnw8ebQQ= cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw= +cloud.google.com/go/pubsub v1.2.0 h1:Lpy6hKgdcl7a3WGSfJIFmxmcdjSpP6OmBEfcOv1Y680= +cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA= cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw= cloud.google.com/go/storage v1.5.0 h1:RPUcBvDeYgQFMfQu1eBMq6piD1SXmLH+vK3qjewZPus= cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos= +cloud.google.com/go/storage v1.6.0 h1:UDpwYIwla4jHGzZJaEJYx1tOejbgSoNqsAfHAUYe2r8= +cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk= dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU= github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo= +github.com/DATA-DOG/go-sqlmock v1.5.0 h1:Shsta01QNfFxHCfpW6YH2STWB0MudeXXEWMr20OEh60= +github.com/DATA-DOG/go-sqlmock v1.5.0/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM= github.com/HdrHistogram/hdrhistogram-go v0.9.0 h1:dpujRju0R4M/QZzcnR1LH1qm+TVG3UzkWdp5tH1WMcg= github.com/HdrHistogram/hdrhistogram-go v0.9.0/go.mod h1:nxrse8/Tzg2tg3DZcZjm6qEclQKK70g0KxO61gFFZD4= github.com/Jeffail/gabs/v2 v2.5.1 h1:ANfZYjpMlfTTKebycu4X1AgkVWumFVDYQl7JwOr4mDk= @@ -44,9 +55,13 @@ github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuy github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0= github.com/antihax/optional v0.0.0-20180407024304-ca021399b1a6/go.mod h1:V8iCPQYkqmusNa815XgQio277wI47sdRh1dUOLdyC6Q= +github.com/apache/thrift v0.0.0-20181112125854-24918abba929/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ= +github.com/apache/thrift v0.13.1-0.20201008052519-daf620915714 h1:Jz3KVLYY5+JO7rDiX0sAuRGtuv2vG01r17Y9nLMWNUw= +github.com/apache/thrift v0.13.1-0.20201008052519-daf620915714/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ= github.com/appleboy/gin-jwt/v2 v2.6.3/go.mod h1:MfPYA4ogzvOcVkRwAxT7quHOtQmVKDpTwxyUrC2DNw0= github.com/appleboy/gofight/v2 v2.1.2/go.mod h1:frW+U1QZEdDgixycTj4CygQ48yLTUhplt43+Wczp3rw= github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8= +github.com/aws/aws-sdk-go v1.30.19/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0= github.com/aws/aws-sdk-go v1.30.24 h1:y3JPD51VuEmVqN3BEDVm4amGpDma2cKJcDPuAU1OR58= github.com/aws/aws-sdk-go v1.30.24/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0= github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q= @@ -58,8 +73,12 @@ github.com/blacktear23/go-proxyprotocol v0.0.0-20180807104634-af7a81e8dd0d h1:rQ github.com/blacktear23/go-proxyprotocol v0.0.0-20180807104634-af7a81e8dd0d/go.mod h1:VKt7CNAQxpFpSDz3sXyj9hY/GbVsQCr0sB3w59nE7lU= github.com/cakturk/go-netstat v0.0.0-20200220111822-e5b49efee7a5 h1:BjkPE3785EwPhhyuFkbINB+2a1xATwk8SNDWnJiD41g= github.com/cakturk/go-netstat v0.0.0-20200220111822-e5b49efee7a5/go.mod h1:jtAfVaU/2cu1+wdSRPWE2c1N2qeAA3K4RH9pYgqwets= +github.com/carlmjohnson/flagext v0.20.2 h1:qvpMM+TytSrlh3+EIVn/pzOwwq9y13hXZab6Y4Gvqpo= +github.com/carlmjohnson/flagext v0.20.2/go.mod h1:Eenv0epIUAr4NuedNmkzI8WmBmjIxZC239XcKxYS2ac= github.com/cenkalti/backoff/v4 v4.0.2/go.mod h1:eEew/i+1Q6OrCDZh3WiXYv3+nJwBASZ8Bog/87DQnVg= github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= +github.com/certifi/gocertifi v0.0.0-20200211180108-c7c1fbc02894 h1:JLaf/iINcLyjwbtTsCJjc6rtlASgHeIJPrB6QmwURnA= +github.com/certifi/gocertifi v0.0.0-20200211180108-c7c1fbc02894/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA= github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko= github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc= github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY= @@ -72,8 +91,16 @@ github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMn github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa h1:OaNxuTZr7kxeODyLWsRMC+OD03aFUH+mW6r2d+MWa5Y= github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8= +github.com/cockroachdb/errors v1.2.4 h1:Lap807SXTH5tri2TivECb/4abUkMZC9zRoLarvcKDqs= +github.com/cockroachdb/errors v1.2.4/go.mod h1:rQD95gz6FARkaKkQXUksEje/d9a6wBJoCr5oaCLELYA= +github.com/cockroachdb/logtags v0.0.0-20190617123548-eb05cc24525f h1:o/kfcElHqOiXqcou5a3rIlMc7oJbMQkeLk0VQJ7zgqY= +github.com/cockroachdb/logtags v0.0.0-20190617123548-eb05cc24525f/go.mod h1:i/u985jwjWRlyHXQbwatDASoW0RMlZ/3i9yJHE2xLkI= +github.com/cockroachdb/pebble v0.0.0-20200617141519-3b241b76ed3b 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h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwc github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY= +github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= github.com/cznic/golex v0.0.0-20181122101858-9c343928389c/go.mod h1:+bmmJDNmKlhWNG+gwWCkaBoTy39Fs+bzRxVBzoTQbIc= github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548 h1:iwZdTE0PVqJCos1vaoKsclOGD3ADKpshg3SRtYBbwso= github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548/go.mod h1:e6NPNENfs9mPDVNRekM7lKScauxd5kXTr1Mfyig6TDM= @@ -139,6 +167,9 @@ github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= github.com/fsouza/fake-gcs-server v1.17.0 h1:OeH75kBZcZa3ZE+zz/mFdJ2btt9FgqfjI7gIh9+5fvk= github.com/fsouza/fake-gcs-server v1.17.0/go.mod h1:D1rTE4YCyHFNa99oyJJ5HyclvN/0uQR+pM/VdlL83bw= +github.com/getsentry/raven-go v0.2.0 h1:no+xWJRb5ZI7eE8TWgIq1jLulQiIoLG0IfYxv5JYMGs= +github.com/getsentry/raven-go v0.2.0/go.mod h1:KungGk8q33+aIAZUIVWZDr2OfAEBsO49PX4NzFV5kcQ= +github.com/ghemawat/stream v0.0.0-20171120220530-696b145b53b9/go.mod h1:106OIgooyS7OzLDOpUGgm9fA3bQENb/cFSyyBmMoJDs= github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04= github.com/gin-contrib/gzip v0.0.1/go.mod h1:fGBJBCdt6qCZuCAOwWuFhBB4OOq9EFqlo5dEaFhhu5w= github.com/gin-contrib/sse v0.0.0-20170109093832-22d885f9ecc7/go.mod h1:VJ0WA2NBN22VlZ2dKZQPAPnyWw5XTlK1KymzLKsr59s= @@ -150,6 +181,7 @@ github.com/gin-gonic/gin v1.5.0/go.mod h1:Nd6IXA8m5kNZdNEHMBd93KT+mdY3+bewLgRvmC github.com/go-chi/chi v4.0.2+incompatible/go.mod h1:eB3wogJHnLi3x/kFX2A+IbTBlXxmMeXJVKy9tTv1XzQ= github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU= github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8= +github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8= github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as= github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as= github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE= @@ -191,18 +223,28 @@ github.com/golang/groupcache v0.0.0-20190129154638-5b532d6fd5ef/go.mod h1:cIg4er github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc= github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7 h1:5ZkaAPbicIKTF2I64qf5Fh8Aa83Q/dnOafMYV0OMwjA= github.com/golang/groupcache v0.0.0-20191227052852-215e87163ea7/go.mod 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h1:gFVkHXmVAhEbxZVDln5V9GKrLaluNoFHDbrZwAWZgws= +github.com/golang/snappy v0.0.2-0.20190904063534-ff6b7dc882cf/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q= github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ= github.com/google/btree v1.0.0 h1:0udJVsspx3VBr5FwtLhQQtuAsVc79tTq0ocGIPAU6qo= github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ= @@ -218,6 +260,7 @@ github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXi github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc= github.com/google/pprof v0.0.0-20191218002539-d4f498aebedc/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM= +github.com/google/pprof v0.0.0-20200212024743-f11f1df84d12/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM= github.com/google/pprof v0.0.0-20200407044318-7d83b28da2e9 h1:K+lX49/3eURCE1IjlaZN//u6c+9nfDAMnyQ9E2dsJbY= github.com/google/pprof v0.0.0-20200407044318-7d83b28da2e9/go.mod h1:ZgVRPoUq/hfqzAqh7sHMqb3I9Rq5C59dIz2SbBwJ4eM= github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI= @@ -249,6 +292,7 @@ github.com/grpc-ecosystem/grpc-gateway v1.12.1/go.mod h1:8XEsbTttt/W+VvjtQhLACqC github.com/grpc-ecosystem/grpc-gateway v1.14.3 h1:OCJlWkOUoTnl0neNGlf4fUm3TmbEtguw7vR+nGtnDjY= github.com/grpc-ecosystem/grpc-gateway v1.14.3/go.mod h1:6CwZWGDSPRJidgKAtJVvND6soZe6fT7iteq8wDPdhb0= github.com/gtank/cryptopasta v0.0.0-20170601214702-1f550f6f2f69/go.mod h1:YLEMZOtU+AZ7dhN9T/IpGhXVGly2bvkJQ+zxj3WeVQo= +github.com/hashicorp/go-uuid v0.0.0-20180228145832-27454136f036/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro= github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8= github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8= github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ= @@ -260,6 +304,7 @@ github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334/go.mod h1:SK73t github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc= github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM= github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8= +github.com/jcmturner/gofork v0.0.0-20180107083740-2aebee971930/go.mod h1:MK8+TM0La+2rjBD4jE12Kj1pCCxK7d2LK/UM3ncEo0o= github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI= github.com/jinzhu/gorm v1.9.12/go.mod h1:vhTjlKSJUTWNtcbQtrMBFCxy7eXTzeCAzfL5fBZT/Qs= github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc= @@ -267,6 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h1:StQn567HiB1fF2yJ44N9au7wOhrPS3iZqiDbRupzT10= +github.com/satori/go.uuid v1.2.0 h1:0uYX9dsZ2yD7q2RtLRtPSdGDWzjeM3TbMJP9utgA0ww= github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0= github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44 h1:tB9NOR21++IjLyVx3/PCPhWMwqGNCMQEH96A6dMZ/gc= github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= @@ -467,6 +526,7 @@ github.com/shirou/gopsutil v2.20.3+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu github.com/shirou/w32 v0.0.0-20160930032740-bb4de0191aa4/go.mod h1:qsXQc7+bwAM3Q1u/4XEfrquwF8Lw7D7y5cD8CuHnfIc= github.com/shurcooL/httpfs v0.0.0-20190707220628-8d4bc4ba7749 h1:bUGsEnyNbVPw06Bs80sCeARAlK8lhwqGyi6UT8ymuGk= github.com/shurcooL/httpfs v0.0.0-20190707220628-8d4bc4ba7749/go.mod h1:ZY1cvUeJuFPAdZ/B6v7RHavJWZn2YPVFQ1OSXhCGOkg= +github.com/shurcooL/httpgzip v0.0.0-20190720172056-320755c1c1b0 h1:mj/nMDAwTBiaCqMEs4cYCqF7pO6Np7vhy1D1wcQGz+E= github.com/shurcooL/httpgzip v0.0.0-20190720172056-320755c1c1b0/go.mod h1:919LwcH0M7/W4fcZ0/jy0qGght1GIhqyS/EgWGH2j5Q= github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc= github.com/shurcooL/vfsgen v0.0.0-20181202132449-6a9ea43bcacd h1:ug7PpSOB5RBPK1Kg6qskGBoP3Vnj/aNYFTznWvlkGo0= @@ -481,6 +541,7 @@ github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasO github.com/spaolacci/murmur3 v1.1.0 h1:7c1g84S4BPRrfL5Xrdp6fOJ206sU9y293DDHaoy0bLI= github.com/spaolacci/murmur3 v1.1.0/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA= github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ= +github.com/spf13/afero v1.2.2/go.mod h1:9ZxEEn6pIJ8Rxe320qSDBk6AsU0r9pR7Q4OcevTdifk= github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE= github.com/spf13/cobra v0.0.3/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3XqQ= github.com/spf13/cobra v0.0.5/go.mod h1:3K3wKZymM7VvHMDS9+Akkh4K60UwM26emMESw8tLCHU= @@ -501,6 +562,8 @@ github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UV github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4= github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA= +github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0= +github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= github.com/swaggo/files v0.0.0-20190704085106-630677cd5c14/go.mod h1:gxQT6pBGRuIGunNf/+tSOB5OHvguWi8Tbt82WOkf35E= github.com/swaggo/gin-swagger v1.2.0/go.mod h1:qlH2+W7zXGZkczuL+r2nEBR2JTT+/lX05Nn6vPhc7OI= github.com/swaggo/http-swagger v0.0.0-20200308142732-58ac5e232fba/go.mod h1:O1lAbCgAAX/KZ80LM/OXwtWFI/5TvZlwxSg8Cq08PV0= @@ -544,6 +607,12 @@ github.com/vmihailenco/msgpack/v5 v5.0.0-beta.1/go.mod h1:xlngVLeyQ/Qi05oQxhQ+oT github.com/vmihailenco/tagparser v0.1.1/go.mod h1:OeAg3pn3UbLjkWt+rN9oFYB6u/cQgqMEUPoW2WPyhdI= github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 h1:eY9dn8+vbi4tKz5Qo6v2eYzo7kUS51QINcR5jNpbZS8= github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU= +github.com/xitongsys/parquet-go v1.5.1/go.mod h1:xUxwM8ELydxh4edHGegYq1pA8NnMKDx0K/GyB0o2bww= +github.com/xitongsys/parquet-go v1.5.4 h1:zsdMNZcCv9t3YnlOfysMI78vBw+cN65jQznQlizVtqE= +github.com/xitongsys/parquet-go v1.5.4/go.mod h1:pheqtXeHQFzxJk45lRQ0UIGIivKnLXvialZSFWs81A8= +github.com/xitongsys/parquet-go-source v0.0.0-20190524061010-2b72cbee77d5/go.mod h1:xxCx7Wpym/3QCo6JhujJX51dzSXrwmb0oH6FQb39SEA= +github.com/xitongsys/parquet-go-source v0.0.0-20200817004010-026bad9b25d0 h1:a742S4V5A15F93smuVxA60LQWsrCnN8bKeWDBARU1/k= +github.com/xitongsys/parquet-go-source v0.0.0-20200817004010-026bad9b25d0/go.mod h1:HYhIKsdns7xz80OgkbgJYrtQY7FjHWHKH6cvN7+czGE= github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q= github.com/yookoala/realpath v1.0.0/go.mod h1:gJJMA9wuX7AcqLy1+ffPatSCySA1FQ2S8Ya9AIoYBpE= github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= @@ -557,10 +626,14 @@ go.etcd.io/bbolt v1.3.4/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ= go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mIZCrds/GIG4ncV9HhK5PX7jPg= go.etcd.io/etcd v0.5.0-alpha.5.0.20191023171146-3cf2f69b5738 h1:lWF4f9Nypl1ZqSb4gLeh/DGvBYVaUYHuiB93teOmwgc= go.etcd.io/etcd v0.5.0-alpha.5.0.20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mIZCrds/GIG4ncV9HhK5PX7jPg= +go.etcd.io/etcd v0.5.0-alpha.5.0.20200824191128-ae9734ed278b h1:3kC4J3eQF6p1UEfQTkC67eEeb3rTk+shQqdX6tFyq9Q= +go.etcd.io/etcd v0.5.0-alpha.5.0.20200824191128-ae9734ed278b/go.mod h1:yVHk9ub3CSBatqGNg7GRmsnfLWtoW60w4eDYfh7vHDg= go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU= go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8= go.opencensus.io v0.22.2 h1:75k/FF0Q2YM8QYo07VPddOLBslDt1MZOdEslOHvmzAs= go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw= +go.opencensus.io v0.22.3 h1:8sGtKOrtQqkN1bp2AtX+misvLIlOmsEsNd+9NIcPEm8= +go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw= go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE= go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE= go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ= @@ -588,6 +661,7 @@ go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM= go.uber.org/zap v1.15.0/go.mod h1:Mb2vm2krFEG5DV0W9qcHBYFtp/Wku1cvYaqPsS/WYfc= go.uber.org/zap v1.16.0 h1:uFRZXykJGK9lLY4HtgSw44DnIcAM+kRBP7x5m+NpAOM= go.uber.org/zap v1.16.0/go.mod h1:MA8QOfq0BHJwdXa996Y4dYkAqRKB8/1K1QMMZVaNZjQ= +golang.org/x/crypto v0.0.0-20180723164146-c126467f60eb/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= @@ -600,6 +674,8 @@ golang.org/x/crypto v0.0.0-20191205180655-e7c4368fe9dd/go.mod h1:LzIPMQfyMNhhGPh golang.org/x/crypto v0.0.0-20200204104054-c9f3fb736b72/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI= golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= +golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a h1:vclmkQCjlDX5OydZ9wv8rBCcS0QyQY66Mpf/7BZbInM= +golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8= @@ -608,6 +684,11 @@ golang.org/x/exp v0.0.0-20191030013958-a1ab85dbe136/go.mod h1:JXzH8nQsPlswgeRAPE golang.org/x/exp v0.0.0-20191129062945-2f5052295587/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4= golang.org/x/exp v0.0.0-20191227195350-da58074b4299 h1:zQpM52jfKHG6II1ISZY1ZcpygvuSFZpLwfluuF89XOg= golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4= +golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u096TMicItID8zy7Y6sNkU49FU4= +golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM= +golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU= +golang.org/x/exp v0.0.0-20200513190911-00229845015e h1:rMqLP+9XLy+LdbCXHjJHAmTfXCr93W7oruWA6Hq1Alc= +golang.org/x/exp v0.0.0-20200513190911-00229845015e/go.mod h1:4M0jN8W1tt0AVLNr8HDosyJCDCDuyL9N9+3m7wDWgKw= golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js= golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0= golang.org/x/image v0.0.0-20200119044424-58c23975cae1/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0= @@ -619,6 +700,7 @@ golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHl golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc= golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc= golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs= +golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY= golang.org/x/lint v0.0.0-20200302205851-738671d3881b h1:Wh+f8QHJXR411sJR8/vRBTZ7YapZaRvUcLFFJhusH0k= golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY= golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE= @@ -626,6 +708,7 @@ golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCc golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc= golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY= golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg= +golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg= golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4= golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= @@ -651,7 +734,9 @@ golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLL golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20191002035440-2ec189313ef0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= +golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= +golang.org/x/net v0.0.0-20200222125558-5a598a2470a0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= @@ -672,6 +757,8 @@ golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJ golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208 h1:qwRHBd0NqMbJxfbotnDhm2ByMI1Shq4Y6oRJo21SGJA= golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9 h1:SQFwaSi55rU7vdNs9Yr0Z324VNlrF+0wMqRXT4St8ck= +golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= @@ -694,21 +781,27 @@ golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191128015809-6d18c012aee9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200819171115-d785dc25833f h1:KJuwZVtZBVzDmEDtB2zro9CXkD9O0dpCv4o2LHbQIAw= golang.org/x/sys v0.0.0-20200819171115-d785dc25833f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk= +golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/text v0.3.4 h1:0YWbFKbhXG/wIiuHDSKpS0Iy7FSA+u45VtBMfQcFTTc= golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= @@ -745,9 +838,16 @@ golang.org/x/tools v0.0.0-20191114200427-caa0b0f7d508/go.mod h1:b+2E5dAYhXwXZwtn golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.0.0-20191130070609-6e064ea0cf2d/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= golang.org/x/tools v0.0.0-20191216173652-a0e659d51361/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20191227053925-7b8e75db28f4/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= +golang.org/x/tools v0.0.0-20200117161641-43d50277825c/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= +golang.org/x/tools v0.0.0-20200122220014-bf1340f18c4a/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= +golang.org/x/tools v0.0.0-20200204074204-1cc6d1ef6c74/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= +golang.org/x/tools v0.0.0-20200207183749-b753a1ba74fa/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= +golang.org/x/tools v0.0.0-20200212150539-ea181f53ac56/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= +golang.org/x/tools v0.0.0-20200224181240-023911ca70b2/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20200225230052-807dcd883420/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20200410194907-79a7a3126eef/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/tools v0.0.0-20200527183253-8e7acdbce89d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= @@ -764,8 +864,9 @@ google.golang.org/api v0.9.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEn google.golang.org/api v0.13.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI= google.golang.org/api v0.14.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI= google.golang.org/api v0.15.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI= -google.golang.org/api v0.15.1 h1:5mMS6mYvK5LVB8+ujVBC33Y8gltBo/kT6HBm6kU80G4= -google.golang.org/api v0.15.1/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI= +google.golang.org/api v0.17.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE= +google.golang.org/api v0.18.0 h1:TgDr+1inK2XVUKZx3BYAqQg/GwucGdBkzZjWaTg/I+A= +google.golang.org/api v0.18.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE= google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM= google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= @@ -786,8 +887,12 @@ google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvx google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= -google.golang.org/genproto v0.0.0-20200108215221-bd8f9a0ef82f h1:2wh8dWY8959cBGQvk1RD+/eQBgRYYDaZ+hT0/zsARoA= -google.golang.org/genproto v0.0.0-20200108215221-bd8f9a0ef82f/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= +google.golang.org/genproto v0.0.0-20200115191322-ca5a22157cba/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= +google.golang.org/genproto v0.0.0-20200122232147-0452cf42e150/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc= +google.golang.org/genproto v0.0.0-20200204135345-fa8e72b47b90/go.mod h1:GmwEX6Z4W5gMy59cAlVYjN9JhxgbQH6Gn+gFDQe2lzA= +google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= +google.golang.org/genproto v0.0.0-20200224152610-e50cd9704f63 h1:YzfoEYWbODU5Fbt37+h7X16BWQbad7Q4S6gclTKFXM8= +google.golang.org/genproto v0.0.0-20200224152610-e50cd9704f63/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c= google.golang.org/grpc v0.0.0-20180607172857-7a6a684ca69e/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw= google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c= google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38= @@ -799,6 +904,9 @@ google.golang.org/grpc v1.24.0/go.mod h1:XDChyiUovWa60DnaeDeZmSW86xtLtjtZbwvSiRn google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY= google.golang.org/grpc v1.26.0 h1:2dTRdpdFEEhJYQD8EMLB61nnrzSCTbG38PhqdhvOltg= google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= +google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= +google.golang.org/grpc v1.27.1 h1:zvIju4sqAGvwKspUQOhwnpcqSbzi7/H6QomNNjTL4sk= +google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk= gopkg.in/alecthomas/gometalinter.v2 v2.0.12/go.mod h1:NDRytsqEZyolNuAgTzJkZMkSQM7FIKyzVzGhjB/qfYo= gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw= gopkg.in/alecthomas/kingpin.v3-unstable v3.0.0-20180810215634-df19058c872c/go.mod h1:3HH7i1SgMqlzxCcBmUHW657sD4Kvv9sC3HpL3YukzwA= @@ -806,6 +914,8 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo= gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b h1:QRR6H1YWRnHb4Y/HeNFCTJLFVxaq6wH4YuVdsUOr75U= +gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw= gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI= gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4= @@ -813,6 +923,11 @@ gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMy gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE= gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y= gopkg.in/go-playground/validator.v9 v9.29.1/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ= +gopkg.in/jcmturner/aescts.v1 v1.0.1/go.mod h1:nsR8qBOg+OucoIW+WMhB3GspUQXq9XorLnQb9XtvcOo= +gopkg.in/jcmturner/dnsutils.v1 v1.0.1/go.mod h1:m3v+5svpVOhtFAP/wSz+yzh4Mc0Fg7eRhxkJMWSIz9Q= +gopkg.in/jcmturner/goidentity.v3 v3.0.0/go.mod h1:oG2kH0IvSYNIu80dVAyu/yoefjq1mNfM5bm88whjWx4= +gopkg.in/jcmturner/gokrb5.v7 v7.3.0/go.mod h1:l8VISx+WGYp+Fp7KRbsiUuXTTOnxIc3Tuvyavf11/WM= +gopkg.in/jcmturner/rpc.v1 v1.1.0/go.mod h1:YIdkC4XfD6GXbzje11McwsDuOlZQSb9W4vfLvuNnlv8= gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8= gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k= gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo= @@ -827,15 +942,24 @@ gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10= gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU= +gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= +honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k= honnef.co/go/tools v0.0.1-2020.1.6 h1:W18jzjh8mfPez+AwGLxmOImucz/IFjpNlrKVnaj2YVc= honnef.co/go/tools v0.0.1-2020.1.6/go.mod h1:pyyisuGw24ruLjrr1ddx39WE0y9OooInRzEYLhQB2YY= k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I= +modernc.org/mathutil v1.1.1 h1:FeylZSVX8S+58VsyJlkEj2bcpdytmp9MmDKZkKx8OIE= +modernc.org/mathutil v1.1.1/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E= rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= +rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0= +rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA= sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o= sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q= sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc= From eb8c3d1deb40c67e238846ffbfb5b797e5462920 Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Mon, 16 Nov 2020 18:02:56 +0800 Subject: [PATCH 0226/1021] util: avoid to create tmp directory if memory-alarm is closed. (#20851) --- util/disk/tempDir.go | 21 ++++++++++++--------- util/expensivequery/memory_usage_alarm.go | 6 ++++-- 2 files changed, 16 insertions(+), 11 deletions(-) diff --git a/util/disk/tempDir.go b/util/disk/tempDir.go index 1b05d4c47bf1a..2d42d21d82d39 100644 --- a/util/disk/tempDir.go +++ b/util/disk/tempDir.go @@ -81,15 +81,6 @@ func InitializeTempDir() error { return err } - // Create dir for MemoryUsageAlarmRecord. - _, err = os.Stat(filepath.Join(tempDir, "record")) - if err != nil && !os.IsExist(err) { - err = os.MkdirAll(filepath.Join(tempDir, "record"), 0755) - if err != nil { - return err - } - } - subDirs, err := ioutil.ReadDir(tempDir) if err != nil { return err @@ -122,3 +113,15 @@ func CleanUp() { terror.Log(errors.Trace(err)) } } + +// CheckAndCreateDir check whether the directory is existed. If not, then create it. +func CheckAndCreateDir(path string) error { + _, err := os.Stat(path) + if err != nil && !os.IsExist(err) { + err = os.MkdirAll(path, 0755) + if err != nil { + return err + } + } + return nil +} diff --git a/util/expensivequery/memory_usage_alarm.go b/util/expensivequery/memory_usage_alarm.go index 16914542e5fca..d8f86b80eeee5 100644 --- a/util/expensivequery/memory_usage_alarm.go +++ b/util/expensivequery/memory_usage_alarm.go @@ -65,6 +65,9 @@ func initMemoryUsageAlarmRecord() (record *memoryUsageAlarm) { } record.lastCheckTime = time.Time{} record.tmpDir = filepath.Join(config.GetGlobalConfig().TempStoragePath, "record") + if record.err = disk.CheckAndCreateDir(record.tmpDir); record.err != nil { + return + } record.lastProfileFileName = make([][]string, 2) // Read last records files, err := ioutil.ReadDir(record.tmpDir) @@ -131,7 +134,7 @@ func (record *memoryUsageAlarm) doRecord(memUsage uint64, instanceMemoryUsage ui logutil.BgLogger().Warn("tidb-server has the risk of OOM. Running SQLs and heap profile will be recorded in record path", fields...) - if record.err = disk.CheckAndInitTempDir(); record.err != nil { + if record.err = disk.CheckAndCreateDir(record.tmpDir); record.err != nil { return } record.recordSQL(sm) @@ -143,7 +146,6 @@ func (record *memoryUsageAlarm) doRecord(memUsage uint64, instanceMemoryUsage ui err := os.Remove((*filename)[0]) if err != nil { logutil.BgLogger().Error("remove temp files failed", zap.Error(err)) - return } *filename = (*filename)[1:] } From 7c88ca7974048491f0754668f3a0fca0ef78391f Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Mon, 16 Nov 2020 19:03:26 +0800 Subject: [PATCH 0227/1021] ddl, session: set charset and coordinate collation (#21034) --- ddl/ddl_api.go | 4 +-- executor/set_test.go | 41 ++++++++++++++++++++++++ executor/union_scan_test.go | 2 +- expression/integration_test.go | 11 +++++++ sessionctx/variable/session.go | 58 +++++++++++++++++++++++----------- sessionctx/variable/sysvar.go | 16 +++++++--- 6 files changed, 106 insertions(+), 26 deletions(-) diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index a5e082a0117b6..ad67066ee8b3f 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -1909,10 +1909,10 @@ func (d *ddl) CreateView(ctx sessionctx.Context, s *ast.CreateViewStmt) (err err tblCharset := "" tblCollate := "" - if v, ok := ctx.GetSessionVars().GetSystemVar("character_set_client"); ok { + if v, ok := ctx.GetSessionVars().GetSystemVar(variable.CharacterSetConnection); ok { tblCharset = v } - if v, ok := ctx.GetSessionVars().GetSystemVar("collation_connection"); ok { + if v, ok := ctx.GetSessionVars().GetSystemVar(variable.CollationConnection); ok { tblCollate = v } diff --git a/executor/set_test.go b/executor/set_test.go index 7efac55965660..e68d31c9f2cd8 100644 --- a/executor/set_test.go +++ b/executor/set_test.go @@ -599,6 +599,47 @@ func (s *testSuite5) TestSetCharset(c *C) { ) } +func (s *testSuite5) TestSetCollationAndCharset(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + ctx := tk.Se.(sessionctx.Context) + sessionVars := ctx.GetSessionVars() + + cases := []struct { + charset string + collation string + expectCharset string + expectCollation string + }{ + {variable.CharacterSetConnection, variable.CollationConnection, "utf8", "utf8_bin"}, + {variable.CharsetDatabase, variable.CollationDatabase, "utf8", "utf8_bin"}, + {variable.CharacterSetServer, variable.CollationServer, "utf8", "utf8_bin"}, + } + + for _, t := range cases { + tk.MustExec(fmt.Sprintf("set %s = %s;", t.charset, t.expectCharset)) + sVar, ok := sessionVars.GetSystemVar(t.charset) + c.Assert(ok, IsTrue) + c.Assert(sVar, Equals, t.expectCharset) + sVar, ok = sessionVars.GetSystemVar(t.collation) + c.Assert(ok, IsTrue) + c.Assert(sVar, Equals, t.expectCollation) + } + + tk = testkit.NewTestKitWithInit(c, s.store) + ctx = tk.Se.(sessionctx.Context) + sessionVars = ctx.GetSessionVars() + + for _, t := range cases { + tk.MustExec(fmt.Sprintf("set %s = %s;", t.collation, t.expectCollation)) + sVar, ok := sessionVars.GetSystemVar(t.charset) + c.Assert(ok, IsTrue) + c.Assert(sVar, Equals, t.expectCharset) + sVar, ok = sessionVars.GetSystemVar(t.collation) + c.Assert(ok, IsTrue) + c.Assert(sVar, Equals, t.expectCollation) + } +} + func (s *testSuite5) TestValidateSetVar(c *C) { tk := testkit.NewTestKit(c, s.store) diff --git a/executor/union_scan_test.go b/executor/union_scan_test.go index 235fc0e1c6616..48a5768a10be8 100644 --- a/executor/union_scan_test.go +++ b/executor/union_scan_test.go @@ -383,7 +383,7 @@ func (s *testSuite7) TestForApplyAndUnionScan(c *C) { // See https://github.com/pingcap/tidb/issues/19431 tk.MustExec("DROP TABLE IF EXISTS `t`") - tk.MustExec("CREATE TABLE `t` ( `c_int` int(11) NOT NULL, `c_str` varchar(40) NOT NULL, `c_datetime` datetime NOT NULL, PRIMARY KEY (`c_int`,`c_str`,`c_datetime`), KEY `c_str` (`c_str`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin; /*!40101 SET character_set_client = @saved_cs_client */") + tk.MustExec("CREATE TABLE `t` ( `c_int` int(11) NOT NULL, `c_str` varchar(40) NOT NULL, `c_datetime` datetime NOT NULL, PRIMARY KEY (`c_int`,`c_str`,`c_datetime`), KEY `c_str` (`c_str`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;") tk.MustExec("INSERT INTO `t` VALUES (1,'cool pasteur','2020-04-21 19:01:04'),(3,'friendly stonebraker','2020-06-09 18:58:00'),(5,'happy shannon','2020-02-29 21:39:08'),(6,'competent torvalds','2020-05-24 04:18:45'),(7,'fervent kapitsa','2020-05-21 16:58:12'),(8,'quirky jennings','2020-03-12 12:52:58'),(9,'adoring swartz','2020-04-19 02:20:32'),(14,'intelligent keller','2020-01-08 09:47:42'),(15,'vibrant zhukovsky','2020-04-15 15:15:55'),(18,'keen chatterjee','2020-02-09 06:39:31'),(20,'elastic gauss','2020-03-01 13:34:06'),(21,'affectionate margulis','2020-06-20 10:20:29'),(27,'busy keldysh','2020-05-21 09:10:45'),(31,'flamboyant banach','2020-03-04 21:28:44'),(39,'keen banach','2020-06-09 03:07:57'),(41,'nervous gagarin','2020-06-12 23:43:04'),(47,'wonderful chebyshev','2020-04-15 14:51:17'),(50,'reverent brahmagupta','2020-06-25 21:50:52'),(52,'suspicious elbakyan','2020-05-28 04:55:34'),(55,'epic lichterman','2020-05-16 19:24:09'),(57,'determined taussig','2020-06-18 22:51:37')") tk.MustExec("DROP TABLE IF EXISTS `t1`") tk.MustExec("CREATE TABLE `t1` ( `c_int` int(11) DEFAULT NULL, `c_str` varchar(40) NOT NULL, `c_datetime` datetime DEFAULT NULL, PRIMARY KEY (`c_str`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin") diff --git a/expression/integration_test.go b/expression/integration_test.go index a5a554cd1b29e..086f6162e0c94 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7575,6 +7575,17 @@ func (s *testIntegrationSerialSuite) TestIssue19804(c *C) { tk.MustGetErrMsg(`alter table t change a a set('a', 'b', 'c', 'e', 'f');`, "[ddl:8200]Unsupported modify column: cannot modify set column value d to e, and tidb_enable_change_column_type is false") } +func (s *testIntegrationSerialSuite) TestIssue20209(c *C) { + collate.SetNewCollationEnabledForTest(true) + defer collate.SetNewCollationEnabledForTest(false) + + tk := testkit.NewTestKit(c, s.store) + tk.MustExec(`use test;`) + tk.MustExec(`set @@character_set_client=utf8mb4;`) + tk.MustExec(`set @@collation_connection=utf8_bin;`) + tk.MustExec("CREATE VIEW tview_1 AS SELECT 'a' AS `id`;") +} + func (s *testIntegrationSerialSuite) TestIssue18949(c *C) { collate.SetNewCollationEnabledForTest(true) defer collate.SetNewCollationEnabledForTest(false) diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 22be00689e456..81aa506a71074 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -1469,26 +1469,48 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { case TiDBMetricSchemaRangeDuration: s.MetricSchemaRangeDuration = tidbOptInt64(val, DefTiDBMetricSchemaRangeDuration) case CollationConnection, CollationDatabase, CollationServer: - if _, err := collate.GetCollationByName(val); err != nil { - var ok bool - var charsetVal string - var err2 error - if name == CollationConnection { - charsetVal, ok = s.systems[CharacterSetConnection] - } else if name == CollationDatabase { - charsetVal, ok = s.systems[CharsetDatabase] - } else { - // CollationServer - charsetVal, ok = s.systems[CharacterSetServer] - } - if !ok { - return err - } - val, err2 = charset.GetDefaultCollation(charsetVal) - if err2 != nil { - return err2 + coll, err := collate.GetCollationByName(val) + if err != nil { + logutil.BgLogger().Warn(err.Error()) + coll, err = collate.GetCollationByName(charset.CollationUTF8MB4) + } + switch name { + case CollationConnection: + s.systems[CollationConnection] = coll.Name + s.systems[CharacterSetConnection] = coll.CharsetName + case CollationDatabase: + s.systems[CollationDatabase] = coll.Name + s.systems[CharsetDatabase] = coll.CharsetName + case CollationServer: + s.systems[CollationServer] = coll.Name + s.systems[CharacterSetServer] = coll.CharsetName + } + case CharacterSetSystem, CharacterSetConnection, CharacterSetClient, CharacterSetResults, + CharacterSetServer, CharsetDatabase, CharacterSetFilesystem: + if val == "" { + if name == CharacterSetResults { + s.systems[CharacterSetResults] = "" + return nil } + return ErrWrongValueForVar.GenWithStackByArgs(name, "NULL") + } + cht, coll, err := charset.GetCharsetInfo(val) + if err != nil { logutil.BgLogger().Warn(err.Error()) + cht, coll = charset.GetDefaultCharsetAndCollate() + } + switch name { + case CharacterSetConnection: + s.systems[CollationConnection] = coll + s.systems[CharacterSetConnection] = cht + case CharsetDatabase: + s.systems[CollationDatabase] = coll + s.systems[CharsetDatabase] = cht + case CharacterSetServer: + s.systems[CollationServer] = coll + s.systems[CharacterSetServer] = cht + default: + s.systems[name] = cht } case TiDBSlowLogThreshold: atomic.StoreUint64(&config.GetGlobalConfig().Log.SlowThreshold, uint64(tidbOptInt64(val, logutil.DefaultSlowThreshold))) diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index d6e0e5f57e7f8..0bc6e7db8ccda 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1165,15 +1165,15 @@ func initSynonymsSysVariables() { // SetNamesVariables is the system variable names related to set names statements. var SetNamesVariables = []string{ - "character_set_client", - "character_set_connection", - "character_set_results", + CharacterSetClient, + CharacterSetConnection, + CharacterSetResults, } // SetCharsetVariables is the system variable names related to set charset statements. var SetCharsetVariables = []string{ - "character_set_client", - "character_set_results", + CharacterSetClient, + CharacterSetResults, } const ( @@ -1185,6 +1185,12 @@ const ( CharsetDatabase = "character_set_database" // CollationDatabase is the name for collation_database system variable. CollationDatabase = "collation_database" + // CharacterSetFilesystem is the name for character_set_filesystem system variable. + CharacterSetFilesystem = "character_set_filesystem" + // CharacterSetClient is the name for character_set_client system variable. + CharacterSetClient = "character_set_client" + // CharacterSetSystem is the name for character_set_system system variable. + CharacterSetSystem = "character_set_system" // GeneralLog is the name for 'general_log' system variable. GeneralLog = "general_log" // AvoidTemporalUpgrade is the name for 'avoid_temporal_upgrade' system variable. From e136429d8dc5d70f43cd3f94179b0b9f47595097 Mon Sep 17 00:00:00 2001 From: Rain Li Date: Mon, 16 Nov 2020 19:58:27 +0800 Subject: [PATCH 0228/1021] *: refactor parser initialize method and add tidb_enable_strict_double_type_check variable (#20967) --- ddl/db_integration_test.go | 13 +++++++++++++ executor/prepared.go | 2 +- go.mod | 2 +- go.sum | 4 ++-- planner/cascades/transformation_rules_test.go | 2 +- planner/core/logical_plan_builder.go | 2 +- planner/core/logical_plan_test.go | 2 +- planner/core/physical_plan_test.go | 2 +- planner/core/preprocess.go | 9 ++++----- planner/core/preprocess_test.go | 1 - planner/core/stats_test.go | 2 +- session/bootstrap.go | 13 +++++++++++++ session/session.go | 5 +++-- session/tidb.go | 2 +- sessionctx/variable/session.go | 14 ++++++++++++++ sessionctx/variable/sysvar.go | 1 + sessionctx/variable/tidb_vars.go | 4 ++++ 17 files changed, 62 insertions(+), 18 deletions(-) diff --git a/ddl/db_integration_test.go b/ddl/db_integration_test.go index fe20bc54c028f..db37d2f4e0d1e 100644 --- a/ddl/db_integration_test.go +++ b/ddl/db_integration_test.go @@ -2577,3 +2577,16 @@ func (s *testIntegrationSuite3) TestEnumAndSetDefaultValue(c *C) { c.Assert(tbl.Meta().Columns[0].DefaultValue, Equals, "a") c.Assert(tbl.Meta().Columns[1].DefaultValue, Equals, "a") } + +func (s *testIntegrationSuite3) TestStrictDoubleTypeCheck(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@tidb_enable_strict_double_type_check = 'ON'") + sql := "create table double_type_check(id int, c double(10));" + _, err := tk.Exec(sql) + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "[parser:1149]You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use") + tk.MustExec("set @@tidb_enable_strict_double_type_check = 'OFF'") + defer tk.MustExec("set @@tidb_enable_strict_double_type_check = 'ON'") + tk.MustExec(sql) +} diff --git a/executor/prepared.go b/executor/prepared.go index 278fd84d4dad0..82020fa42e8cd 100644 --- a/executor/prepared.go +++ b/executor/prepared.go @@ -119,7 +119,7 @@ func (e *PrepareExec) Next(ctx context.Context, req *chunk.Chunk) error { stmts, err = sqlParser.ParseSQL(e.sqlText, charset, collation) } else { p := parser.New() - p.EnableWindowFunc(vars.EnableWindowFunction) + p.SetParserConfig(vars.BuildParserConfig()) var warns []error stmts, warns, err = p.Parse(e.sqlText, charset, collation) for _, warn := range warns { diff --git a/go.mod b/go.mod index b39702a72a1d4..745a4d157407e 100644 --- a/go.mod +++ b/go.mod @@ -56,7 +56,7 @@ require ( github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20201023092649-e6d6090277c9 github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 - github.com/pingcap/parser v0.0.0-20201112065012-c9380f220ff9 + github.com/pingcap/parser v0.0.0-20201112105242-773b8b74f44e github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 github.com/pingcap/tidb-lightning v4.0.9-0.20201106041742-a1ac97827a27+incompatible github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible diff --git a/go.sum b/go.sum index 3e71d8fca7de8..b9c3b55dcc79c 100644 --- a/go.sum +++ b/go.sum @@ -465,8 +465,8 @@ github.com/pingcap/log v0.0.0-20200117041106-d28c14d3b1cd/go.mod h1:4rbK1p9ILyIf github.com/pingcap/log v0.0.0-20200511115504-543df19646ad/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 h1:Jboj+s4jSCp5E1WDgmRUv5rIFKFHaaSWuSZ4wMwXIcc= github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= -github.com/pingcap/parser v0.0.0-20201112065012-c9380f220ff9 h1:/Vd4G/b+sifGUe14+GsxyXlWvJBJwJlTPcyV9IcQYdU= -github.com/pingcap/parser v0.0.0-20201112065012-c9380f220ff9/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= +github.com/pingcap/parser v0.0.0-20201112105242-773b8b74f44e h1:TCSZlqvNP2Ipt0xUwZ5Z6ehmKo1dlk5KCU1SOLXUYL4= +github.com/pingcap/parser v0.0.0-20201112105242-773b8b74f44e/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 h1:b2G/eqDeywtdJF3w9nIUdqMmXChsmpLvf4FzUxJ9Vmk= diff --git a/planner/cascades/transformation_rules_test.go b/planner/cascades/transformation_rules_test.go index 421f815313945..feae5eca355d1 100644 --- a/planner/cascades/transformation_rules_test.go +++ b/planner/cascades/transformation_rules_test.go @@ -44,7 +44,7 @@ func (s *testTransformationRuleSuite) SetUpSuite(c *C) { var err error s.testData, err = testutil.LoadTestSuiteData("testdata", "transformation_rules_suite") c.Assert(err, IsNil) - s.Parser.EnableWindowFunc(true) + s.Parser.SetParserConfig(parser.ParserConfig{EnableWindowFunction: true, EnableStrictDoubleTypeCheck: true}) } func (s *testTransformationRuleSuite) TearDownSuite(c *C) { diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index 14f32499e1098..c9b51ac5bb67f 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -3323,7 +3323,7 @@ func (b *PlanBuilder) BuildDataSourceFromView(ctx context.Context, dbName model. charset, collation := b.ctx.GetSessionVars().GetCharsetInfo() viewParser := parser.New() - viewParser.EnableWindowFunc(b.ctx.GetSessionVars().EnableWindowFunction) + viewParser.SetParserConfig(b.ctx.GetSessionVars().BuildParserConfig()) selectNode, err := viewParser.ParseOneStmt(tableInfo.View.SelectStmt, charset, collation) if err != nil { return nil, err diff --git a/planner/core/logical_plan_test.go b/planner/core/logical_plan_test.go index 6e8f6e0ef033f..ee8d39b1017a6 100644 --- a/planner/core/logical_plan_test.go +++ b/planner/core/logical_plan_test.go @@ -61,7 +61,7 @@ func (s *testPlanSuite) SetUpSuite(c *C) { s.ctx = MockContext() s.ctx.GetSessionVars().EnableWindowFunction = true s.Parser = parser.New() - s.Parser.EnableWindowFunc(true) + s.Parser.SetParserConfig(parser.ParserConfig{EnableWindowFunction: true, EnableStrictDoubleTypeCheck: true}) var err error s.testData, err = testutil.LoadTestSuiteData("testdata", "plan_suite_unexported") diff --git a/planner/core/physical_plan_test.go b/planner/core/physical_plan_test.go index 62519e84ba530..07e9e6abc1396 100644 --- a/planner/core/physical_plan_test.go +++ b/planner/core/physical_plan_test.go @@ -48,7 +48,7 @@ type testPlanSuiteBase struct { func (s *testPlanSuiteBase) SetUpSuite(c *C) { s.is = infoschema.MockInfoSchema([]*model.TableInfo{core.MockSignedTable(), core.MockUnsignedTable()}) s.Parser = parser.New() - s.Parser.EnableWindowFunc(true) + s.Parser.SetParserConfig(parser.ParserConfig{EnableWindowFunction: true, EnableStrictDoubleTypeCheck: true}) } type testPlanSerialSuite struct { diff --git a/planner/core/preprocess.go b/planner/core/preprocess.go index 97b436435cfbb..11b44d83e038d 100644 --- a/planner/core/preprocess.go +++ b/planner/core/preprocess.go @@ -830,11 +830,10 @@ func checkColumn(colDef *ast.ColumnDef) error { // For FLOAT, the SQL standard permits an optional specification of the precision. // https://dev.mysql.com/doc/refman/8.0/en/floating-point-types.html if tp.Decimal == -1 { - if tp.Tp == mysql.TypeDouble { - if tp.Flen != -1 { - return types.ErrSyntax.GenWithStackByArgs() - } - } else { + switch tp.Tp { + case mysql.TypeDouble: + // For Double type Flen and Decimal check is moved to parser component + default: if tp.Flen > mysql.MaxDoublePrecisionLength { return types.ErrWrongFieldSpec.GenWithStackByArgs(colDef.Name.Name.O) } diff --git a/planner/core/preprocess_test.go b/planner/core/preprocess_test.go index 442dcee025b30..4f6d90422a391 100644 --- a/planner/core/preprocess_test.go +++ b/planner/core/preprocess_test.go @@ -227,7 +227,6 @@ func (s *testValidatorSuite) TestValidator(c *C) { {"CREATE TABLE t (a float(53))", true, nil}, {"CREATE TABLE t (a float(54))", false, types.ErrWrongFieldSpec}, {"CREATE TABLE t (a double)", true, nil}, - {"CREATE TABLE t (a double(54))", false, types.ErrSyntax}, // FIXME: temporary 'not implemented yet' test for 'CREATE TABLE ... SELECT' (issue 4754) {"CREATE TABLE t SELECT * FROM u", false, errors.New("'CREATE TABLE ... SELECT' is not implemented yet")}, diff --git a/planner/core/stats_test.go b/planner/core/stats_test.go index 0b3176eb87b60..2239d27a5f75e 100644 --- a/planner/core/stats_test.go +++ b/planner/core/stats_test.go @@ -34,7 +34,7 @@ type testStatsSuite struct { func (s *testStatsSuite) SetUpSuite(c *C) { s.Parser = parser.New() - s.Parser.EnableWindowFunc(true) + s.Parser.SetParserConfig(parser.ParserConfig{EnableWindowFunction: true, EnableStrictDoubleTypeCheck: true}) var err error s.testData, err = testutil.LoadTestSuiteData("testdata", "stats_suite") diff --git a/session/bootstrap.go b/session/bootstrap.go index a6a55b52b4daa..6d77e864c4051 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -427,6 +427,8 @@ const ( version51 = 51 // version52 change mysql.stats_histograms cm_sketch column from blob to blob(6291456) version52 = 52 + // version53 introduce Global variable tidb_enable_strict_double_type_check + version53 = 53 ) var ( @@ -482,6 +484,7 @@ var ( upgradeToVer50, upgradeToVer51, upgradeToVer52, + upgradeToVer53, } ) @@ -1190,6 +1193,16 @@ func upgradeToVer52(s Session, ver int64) { doReentrantDDL(s, "ALTER TABLE mysql.stats_histograms MODIFY cm_sketch BLOB(6291456)") } +func upgradeToVer53(s Session, ver int64) { + if ver >= version53 { + return + } + // when upgrade from old tidb and no `tidb_enable_strict_double_type_check` in GLOBAL_VARIABLES, init it with 1` + sql := fmt.Sprintf("INSERT IGNORE INTO %s.%s (`VARIABLE_NAME`, `VARIABLE_VALUE`) VALUES ('%s', '%d')", + mysql.SystemDB, mysql.GlobalVariablesTable, variable.TiDBEnableStrictDoubleTypeCheck, 0) + mustExecute(s, sql) +} + // updateBootstrapVer updates bootstrap version variable in mysql.TiDB table. func updateBootstrapVer(s Session) { // Update bootstrap version. diff --git a/session/session.go b/session/session.go index 7d3d0044c8d53..740a394251899 100644 --- a/session/session.go +++ b/session/session.go @@ -1077,7 +1077,7 @@ func (s *session) ParseSQL(ctx context.Context, sql, charset, collation string) } defer trace.StartRegion(ctx, "ParseSQL").End() s.parser.SetSQLMode(s.sessionVars.SQLMode) - s.parser.EnableWindowFunc(s.sessionVars.EnableWindowFunction) + s.parser.SetParserConfig(s.sessionVars.BuildParserConfig()) return s.parser.Parse(sql, charset, collation) } @@ -2067,7 +2067,7 @@ func CreateSessionWithDomain(store kv.Storage, dom *domain.Domain) (*session, er const ( notBootstrapped = 0 - currentBootstrapVersion = version52 + currentBootstrapVersion = version53 ) func getStoreBootstrapVersion(store kv.Storage) int64 { @@ -2184,6 +2184,7 @@ var builtinGlobalVariable = []string{ variable.TiDBRetryLimit, variable.TiDBDisableTxnAutoRetry, variable.TiDBEnableWindowFunction, + variable.TiDBEnableStrictDoubleTypeCheck, variable.TiDBEnableTablePartition, variable.TiDBEnableVectorizedExpression, variable.TiDBEnableFastAnalyze, diff --git a/session/tidb.go b/session/tidb.go index d281c4cc0ce3d..18945e8183f95 100644 --- a/session/tidb.go +++ b/session/tidb.go @@ -172,7 +172,7 @@ func Parse(ctx sessionctx.Context, src string) ([]ast.StmtNode, error) { logutil.BgLogger().Debug("compiling", zap.String("source", src)) charset, collation := ctx.GetSessionVars().GetCharsetInfo() p := parser.New() - p.EnableWindowFunc(ctx.GetSessionVars().EnableWindowFunction) + p.SetParserConfig(ctx.GetSessionVars().BuildParserConfig()) p.SetSQLMode(ctx.GetSessionVars().SQLMode) stmts, warns, err := p.Parse(src, charset, collation) for _, warn := range warns { diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 81aa506a71074..dcc26f40a217e 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -30,6 +30,7 @@ import ( "github.com/klauspost/cpuid" "github.com/pingcap/errors" + "github.com/pingcap/parser" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/auth" "github.com/pingcap/parser/charset" @@ -552,6 +553,9 @@ type SessionVars struct { // EnableWindowFunction enables the window function. EnableWindowFunction bool + // EnableStrictDoubleTypeCheck enables table field double type check. + EnableStrictDoubleTypeCheck bool + // EnableVectorizedExpression enables the vectorized expression evaluation. EnableVectorizedExpression bool @@ -741,6 +745,14 @@ func (s *SessionVars) UseDynamicPartitionPrune() bool { return PartitionPruneMode(s.PartitionPruneMode.Load()) == DynamicOnly } +// BuildParserConfig generate parser.ParserConfig for initial parser +func (s *SessionVars) BuildParserConfig() parser.ParserConfig { + return parser.ParserConfig{ + EnableWindowFunction: s.EnableWindowFunction, + EnableStrictDoubleTypeCheck: s.EnableStrictDoubleTypeCheck, + } +} + // PartitionPruneMode presents the prune mode used. type PartitionPruneMode string @@ -1404,6 +1416,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.EnableRadixJoin = TiDBOptOn(val) case TiDBEnableWindowFunction: s.EnableWindowFunction = TiDBOptOn(val) + case TiDBEnableStrictDoubleTypeCheck: + s.EnableStrictDoubleTypeCheck = TiDBOptOn(val) case TiDBEnableVectorizedExpression: s.EnableVectorizedExpression = TiDBOptOn(val) case TiDBOptJoinReorderThreshold: diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 0bc6e7db8ccda..84daed5f8dada 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1028,6 +1028,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: TiDBRowFormatVersion, Value: strconv.Itoa(DefTiDBRowFormatV1), Type: TypeUnsigned, MinValue: 1, MaxValue: 2}, {Scope: ScopeSession, Name: TiDBOptimizerSelectivityLevel, Value: strconv.Itoa(DefTiDBOptimizerSelectivityLevel), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableWindowFunction, Value: BoolToOnOff(DefEnableWindowFunction), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableStrictDoubleTypeCheck, Value: BoolToOnOff(DefEnableStrictDoubleTypeCheck), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableVectorizedExpression, Value: BoolToOnOff(DefEnableVectorizedExpression), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableFastAnalyze, Value: BoolToOnOff(DefTiDBUseFastAnalyze), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBSkipIsolationLevelCheck, Value: BoolToOnOff(DefTiDBSkipIsolationLevelCheck), Type: TypeBool}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 5e93fb1566511..352d009387735 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -372,6 +372,9 @@ const ( // tidb_enable_window_function is used to control whether to enable the window function. TiDBEnableWindowFunction = "tidb_enable_window_function" + // tidb_enable_strict_double_type_check is used to control table field double type syntax check. + TiDBEnableStrictDoubleTypeCheck = "tidb_enable_strict_double_type_check" + // tidb_enable_vectorized_expression is used to control whether to enable the vectorized expression evaluation. TiDBEnableVectorizedExpression = "tidb_enable_vectorized_expression" @@ -539,6 +542,7 @@ const ( DefTiDBForcePriority = mysql.NoPriority DefTiDBUseRadixJoin = false DefEnableWindowFunction = true + DefEnableStrictDoubleTypeCheck = true DefEnableVectorizedExpression = true DefTiDBOptJoinReorderThreshold = 0 DefTiDBDDLSlowOprThreshold = 300 From d5684efe4903f34464219d96f9e3fff13039de32 Mon Sep 17 00:00:00 2001 From: tiancaiamao Date: Tue, 17 Nov 2020 10:21:26 +0800 Subject: [PATCH 0229/1021] executor: fix a potential DATA RACE in TestFastAnalyze (#21023) --- executor/analyze.go | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/executor/analyze.go b/executor/analyze.go index 23b61ad5f12b6..9eb5987292d92 100644 --- a/executor/analyze.go +++ b/executor/analyze.go @@ -1131,9 +1131,9 @@ func (e *AnalyzeFastExec) buildStats() (hists []*statistics.Histogram, cms []*st // To set rand seed, it's for unit test. // To ensure that random sequences are different in non-test environments, RandSeed must be set time.Now(). if RandSeed == 1 { - e.randSeed = time.Now().UnixNano() + atomic.StoreInt64(&e.randSeed, time.Now().UnixNano()) } else { - e.randSeed = RandSeed + atomic.StoreInt64(&e.randSeed, RandSeed) } err = e.buildSampTask() From 9c3b93750a5493673957730a93a36cbd72aeba68 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=B7=B7=E6=B2=8CDM?= Date: Tue, 17 Nov 2020 11:18:56 +0800 Subject: [PATCH 0230/1021] pd: rename GetMemberInfo to GetAllMembers (#20218) Signed-off-by: Zheng Xiangsheng --- go.mod | 2 +- go.sum | 12 +++++++----- store/mockstore/mocktikv/pd.go | 2 +- store/mockstore/unistore/pd.go | 2 +- store/tikv/backoff.go | 2 +- store/tikv/kv.go | 4 ++-- store/tikv/store_test.go | 2 +- 7 files changed, 14 insertions(+), 12 deletions(-) diff --git a/go.mod b/go.mod index 745a4d157407e..322918607a90a 100644 --- a/go.mod +++ b/go.mod @@ -73,7 +73,7 @@ require ( github.com/stretchr/testify v1.6.1 // indirect github.com/syndtr/goleveldb v1.0.1-0.20190318030020-c3a204f8e965 // indirect github.com/tiancaiamao/appdash v0.0.0-20181126055449-889f96f722a2 - github.com/tikv/pd v1.1.0-beta.0.20200910042021-254d1345be09 + github.com/tikv/pd v1.1.0-beta.0.20200925080742-6d0aa719fa17 github.com/twmb/murmur3 v1.1.3 github.com/uber-go/atomic v1.4.0 github.com/uber/jaeger-client-go v2.22.1+incompatible diff --git a/go.sum b/go.sum index b9c3b55dcc79c..6309d344b7d06 100644 --- a/go.sum +++ b/go.sum @@ -179,6 +179,7 @@ github.com/gin-gonic/gin v1.3.0/go.mod h1:7cKuhb5qV2ggCFctp2fJQ+ErvciLZrIeoOSOm6 github.com/gin-gonic/gin v1.4.0/go.mod h1:OW2EZn3DO8Ln9oIKOvM++LBO+5UPHJJDH72/q/3rZdM= github.com/gin-gonic/gin v1.5.0/go.mod h1:Nd6IXA8m5kNZdNEHMBd93KT+mdY3+bewLgRvmCsR2Do= github.com/go-chi/chi v4.0.2+incompatible/go.mod h1:eB3wogJHnLi3x/kFX2A+IbTBlXxmMeXJVKy9tTv1XzQ= +github.com/go-echarts/go-echarts v1.0.0/go.mod h1:qbmyAb/Rl1f2w7wKba1D4LoNq4U164yO4/wedFbcWyo= github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU= github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8= github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8= @@ -430,7 +431,7 @@ github.com/phf/go-queue v0.0.0-20170504031614-9abe38d0371d h1:U+PMnTlV2tu7RuMK5e github.com/phf/go-queue v0.0.0-20170504031614-9abe38d0371d/go.mod h1:lXfE4PvvTW5xOjO6Mba8zDPyw8M93B6AQ7frTGnMlA8= github.com/pierrec/lz4 v2.5.2+incompatible h1:WCjObylUIOlKy/+7Abdn34TLIkXiA4UWUMhxq9m9ZXI= github.com/pierrec/lz4 v2.5.2+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi+IEE17M5jbnwPHcY= -github.com/pingcap-incubator/tidb-dashboard v0.0.0-20200908071351-a715a95c7de2/go.mod h1:X3r7/4Wr9fSC5KlsfezBh/5noeWGEJNQuSvjgS2rvdI= +github.com/pingcap-incubator/tidb-dashboard v0.0.0-20200921100341-0e148dfc0029/go.mod h1:X3r7/4Wr9fSC5KlsfezBh/5noeWGEJNQuSvjgS2rvdI= github.com/pingcap/badger v1.5.1-0.20200908111422-2e78ee155d19 h1:IXpGy7y9HyoShAFmzW2OPF0xCA5EOoSTyZHwsgYk9Ro= github.com/pingcap/badger v1.5.1-0.20200908111422-2e78ee155d19/go.mod h1:LyrqUOHZrUDf9oGi1yoz1+qw9ckSIhQb5eMa1acOLNQ= github.com/pingcap/br v4.0.0-beta.2.0.20201014031603-5676c8fdad1a+incompatible h1:RMx7D+dQtUTUZjelJyV0WwYr3GFxrjsSarFXhV2SWzI= @@ -444,7 +445,7 @@ github.com/pingcap/errcode v0.0.0-20180921232412-a1a7271709d9/go.mod h1:4b2X8xSq github.com/pingcap/errors v0.11.0/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8= github.com/pingcap/errors v0.11.4/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8= github.com/pingcap/errors v0.11.5-0.20190809092503-95897b64e011/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8= -github.com/pingcap/errors v0.11.5-0.20200902104258-eba4f1d8f6de/go.mod h1:g4vx//d6VakjJ0mk7iLBlKA8LFavV/sAVINT/1PFxeQ= +github.com/pingcap/errors v0.11.5-0.20200917111840-a15ef68f753d/go.mod h1:g4vx//d6VakjJ0mk7iLBlKA8LFavV/sAVINT/1PFxeQ= github.com/pingcap/errors v0.11.5-0.20201029093017-5a7df2af2ac7 h1:wQKuKP2HUtej2gSvx1cZmY4DENUH6tlOxRkfvPT8EBU= github.com/pingcap/errors v0.11.5-0.20201029093017-5a7df2af2ac7/go.mod h1:G7x87le1poQzLB/TqvTJI2ILrSgobnq4Ut7luOwvfvI= github.com/pingcap/failpoint v0.0.0-20191029060244-12f4ac2fd11d/go.mod h1:DNS3Qg7bEDhU6EXNHF+XSv/PGznQaMJ5FWvctpm6pQI= @@ -457,7 +458,7 @@ github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989/go.mod h1:O17Xtb github.com/pingcap/kvproto v0.0.0-20191211054548-3c6b38ea5107/go.mod h1:WWLmULLO7l8IOcQG+t+ItJ3fEcrL5FxF0Wu+HrMy26w= github.com/pingcap/kvproto v0.0.0-20200411081810-b85805c9476c/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/kvproto v0.0.0-20200810113304-6157337686b1/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= -github.com/pingcap/kvproto v0.0.0-20200827082727-23dedec2339b/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= +github.com/pingcap/kvproto v0.0.0-20200916031750-f9473f2c5379/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/kvproto v0.0.0-20201023092649-e6d6090277c9 h1:o/MpH2TJ2qJk0EwSI1O8Fw/dzx/ImSSKp2gXEUDvH6w= github.com/pingcap/kvproto v0.0.0-20201023092649-e6d6090277c9/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/log v0.0.0-20191012051959-b742a5d432e9/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= @@ -562,6 +563,7 @@ github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UV github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4= github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA= +github.com/stretchr/testify v1.6.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0= github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= github.com/swaggo/files v0.0.0-20190704085106-630677cd5c14/go.mod h1:gxQT6pBGRuIGunNf/+tSOB5OHvguWi8Tbt82WOkf35E= @@ -578,8 +580,8 @@ github.com/tiancaiamao/appdash v0.0.0-20181126055449-889f96f722a2/go.mod h1:2PfK github.com/tidwall/gjson v1.3.5/go.mod h1:P256ACg0Mn+j1RXIDXoss50DeIABTYK1PULOJHhxOls= github.com/tidwall/match v1.0.1/go.mod h1:LujAq0jyVjBy028G1WhWfIzbpQfMO8bBZ6Tyb0+pL9E= github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk= -github.com/tikv/pd v1.1.0-beta.0.20200910042021-254d1345be09 h1:5NsHTjk0O7C3/d8vfl/cWu9L6db+8YGvEj7XBGbMTbY= -github.com/tikv/pd v1.1.0-beta.0.20200910042021-254d1345be09/go.mod h1:Z+EQXV6FyfpH7olLqXH0zvYOnFcCNGJmzm+MN4W1/RE= +github.com/tikv/pd v1.1.0-beta.0.20200925080742-6d0aa719fa17 h1:xI/CKdl55/WeoIvMS3040I9vJ52bIPkFK2Z3HbbOgO0= +github.com/tikv/pd v1.1.0-beta.0.20200925080742-6d0aa719fa17/go.mod h1:U5MWRAfLdLeeUQxs6/+3HdiOT2g/EXxHRs1+i6BDHbU= github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U= github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 h1:LnC5Kc/wtumK+WB441p7ynQJzVuNRJiqddSIE3IlSEQ= github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U= diff --git a/store/mockstore/mocktikv/pd.go b/store/mockstore/mocktikv/pd.go index f4d28932b53cf..cf653978085b2 100644 --- a/store/mockstore/mocktikv/pd.go +++ b/store/mockstore/mocktikv/pd.go @@ -175,7 +175,7 @@ func (c *pdClient) GetOperator(ctx context.Context, regionID uint64) (*pdpb.GetO return &pdpb.GetOperatorResponse{Status: pdpb.OperatorStatus_SUCCESS}, nil } -func (c *pdClient) GetMemberInfo(ctx context.Context) ([]*pdpb.Member, error) { +func (c *pdClient) GetAllMembers(ctx context.Context) ([]*pdpb.Member, error) { return nil, nil } diff --git a/store/mockstore/unistore/pd.go b/store/mockstore/unistore/pd.go index fd935036a7893..11f5e1f32ea78 100644 --- a/store/mockstore/unistore/pd.go +++ b/store/mockstore/unistore/pd.go @@ -97,6 +97,6 @@ func (c *pdClient) ScatterRegionWithOption(ctx context.Context, regionID uint64, return nil } -func (c *pdClient) GetMemberInfo(ctx context.Context) ([]*pdpb.Member, error) { +func (c *pdClient) GetAllMembers(ctx context.Context) ([]*pdpb.Member, error) { return nil, nil } diff --git a/store/tikv/backoff.go b/store/tikv/backoff.go index 02f01c4bc4210..0364909122492 100644 --- a/store/tikv/backoff.go +++ b/store/tikv/backoff.go @@ -213,7 +213,7 @@ func (t backoffType) TError() error { // Maximum total sleep time(in ms) for kv/cop commands. const ( - GetMemberInfoBackoff = 5000 + GetAllMembersBackoff = 5000 copBuildTaskMaxBackoff = 5000 tsoMaxBackoff = 15000 scannerNextMaxBackoff = 20000 diff --git a/store/tikv/kv.go b/store/tikv/kv.go index a553403af6f5f..53dae50d13c04 100644 --- a/store/tikv/kv.go +++ b/store/tikv/kv.go @@ -255,14 +255,14 @@ func (s *tikvStore) EtcdAddrs() ([]string, error) { } ctx := context.Background() - bo := NewBackoffer(ctx, GetMemberInfoBackoff) + bo := NewBackoffer(ctx, GetAllMembersBackoff) etcdAddrs := make([]string, 0) pdClient := s.pdClient if pdClient == nil { return nil, errors.New("Etcd client not found") } for { - members, err := pdClient.GetMemberInfo(ctx) + members, err := pdClient.GetAllMembers(ctx) if err != nil { err := bo.Backoff(BoRegionMiss, err) if err != nil { diff --git a/store/tikv/store_test.go b/store/tikv/store_test.go index f6163cf0b2d63..2f07d28db6120 100644 --- a/store/tikv/store_test.go +++ b/store/tikv/store_test.go @@ -117,7 +117,7 @@ func (c *mockPDClient) disable() { c.stop = true } -func (c *mockPDClient) GetMemberInfo(ctx context.Context) ([]*pdpb.Member, error) { +func (c *mockPDClient) GetAllMembers(ctx context.Context) ([]*pdpb.Member, error) { return nil, nil } From ee5d026855e0504fe8792430438d7462e0b8cdb9 Mon Sep 17 00:00:00 2001 From: Zhuomin Liu Date: Tue, 17 Nov 2020 12:02:27 +0800 Subject: [PATCH 0231/1021] executor: fix unstable test of TestIntegrationCopCache (#21071) --- executor/executor_test.go | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index 68c197e5b07c6..5338d9dfbdeca 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6664,7 +6664,11 @@ func (s *testCoprCache) TestIntegrationCopCache(c *C) { rows = tk.MustQuery("explain analyze select * from t").Rows() c.Assert(rows[0][2], Equals, "12") c.Assert(strings.Contains(rows[0][5].(string), "cop_task: {num: 6"), Equals, true) - c.Assert(strings.Contains(rows[0][5].(string), "copr_cache_hit_ratio: 0.67"), Equals, true) + hitRatioIdx := strings.Index(rows[0][5].(string), "copr_cache_hit_ratio:") + len("copr_cache_hit_ratio: ") + c.Assert(hitRatioIdx >= len("copr_cache_hit_ratio: "), Equals, true) + hitRatio, err := strconv.ParseFloat(rows[0][5].(string)[hitRatioIdx:hitRatioIdx+4], 64) + c.Assert(err, IsNil) + c.Assert(hitRatio > 0, Equals, true) } func (s *testSerialSuite) TestCoprocessorOOMAction(c *C) { From c20369d0750bc6120f361671963013bc7edad573 Mon Sep 17 00:00:00 2001 From: Yilin Chen Date: Tue, 17 Nov 2020 13:23:57 +0800 Subject: [PATCH 0232/1021] tikv: fix race at minCommitTS (#21032) Signed-off-by: Yilin Chen --- store/tikv/prewrite.go | 6 ++-- store/tikv/prewrite_test.go | 67 +++++++++++++++++++++++++++++++++++++ 2 files changed, 70 insertions(+), 3 deletions(-) create mode 100644 store/tikv/prewrite_test.go diff --git a/store/tikv/prewrite.go b/store/tikv/prewrite.go index df3a22bbad6b5..9703a43882f4f 100644 --- a/store/tikv/prewrite.go +++ b/store/tikv/prewrite.go @@ -56,7 +56,9 @@ func (c *twoPhaseCommitter) buildPrewriteRequest(batch batchMutations, txnSize u } isPessimisticLock[i] = m.IsPessimisticLock(i) } - var minCommitTS = c.minCommitTS + c.mu.Lock() + minCommitTS := c.minCommitTS + c.mu.Unlock() if c.forUpdateTS > 0 && c.forUpdateTS >= minCommitTS { minCommitTS = c.forUpdateTS + 1 } else if c.startTS >= minCommitTS { @@ -87,8 +89,6 @@ func (c *twoPhaseCommitter) buildPrewriteRequest(batch batchMutations, txnSize u req.Secondaries = c.asyncSecondaries() } req.UseAsyncCommit = true - // The async commit can not be used for large transactions, and the commit ts can't be pushed. - req.MinCommitTs = 0 } if c.isOnePC() { diff --git a/store/tikv/prewrite_test.go b/store/tikv/prewrite_test.go new file mode 100644 index 0000000000000..48336eeb8cfab --- /dev/null +++ b/store/tikv/prewrite_test.go @@ -0,0 +1,67 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package tikv + +import ( + . "github.com/pingcap/check" + pb "github.com/pingcap/kvproto/pkg/kvrpcpb" + "github.com/pingcap/tidb/store/mockstore/unistore" +) + +type testPrewriteSuite struct { + store *tikvStore +} + +var _ = Suite(&testPrewriteSuite{}) + +func (s *testPrewriteSuite) SetUpTest(c *C) { + client, pdClient, cluster, err := unistore.New("") + c.Assert(err, IsNil) + unistore.BootstrapWithSingleStore(cluster) + store, err := NewTestTiKVStore(client, pdClient, nil, nil, 0) + c.Assert(err, IsNil) + s.store = store.(*tikvStore) +} + +func (s *testPrewriteSuite) TestSetMinCommitTSInAsyncCommit(c *C) { + t, err := s.store.Begin() + c.Assert(err, IsNil) + txn := t.(*tikvTxn) + err = txn.Set([]byte("k"), []byte("v")) + c.Assert(err, IsNil) + committer, err := newTwoPhaseCommitterWithInit(txn, 1) + c.Assert(err, IsNil) + committer.useAsyncCommit = 1 + + buildRequest := func() *pb.PrewriteRequest { + batch := batchMutations{mutations: committer.mutations} + req := committer.buildPrewriteRequest(batch, 1) + return req.Req.(*pb.PrewriteRequest) + } + + // no forUpdateTS + req := buildRequest() + c.Assert(req.MinCommitTs, Equals, txn.startTS+1) + + // forUpdateTS is set + committer.forUpdateTS = txn.startTS + (5 << 18) + req = buildRequest() + c.Assert(req.MinCommitTs, Equals, committer.forUpdateTS+1) + + // minCommitTS is set + committer.minCommitTS = txn.startTS + (10 << 18) + req = buildRequest() + c.Assert(req.MinCommitTs, Equals, committer.minCommitTS) + +} From 7e0821f12b3ba1eec3e05bfc43299034f7bb53c4 Mon Sep 17 00:00:00 2001 From: Rain Li Date: Tue, 17 Nov 2020 14:09:27 +0800 Subject: [PATCH 0233/1021] planner: fix point get and batch point get should not use invisible index (#21088) --- planner/core/point_get_plan.go | 7 ++----- planner/core/point_get_plan_test.go | 26 ++++++++++++++++++++++++++ 2 files changed, 28 insertions(+), 5 deletions(-) diff --git a/planner/core/point_get_plan.go b/planner/core/point_get_plan.go index fd3a8afa25d16..77efe8f5d5a67 100644 --- a/planner/core/point_get_plan.go +++ b/planner/core/point_get_plan.go @@ -540,7 +540,7 @@ func newBatchPointGetPlan( var matchIdxInfo *model.IndexInfo permutations := make([]int, len(whereColNames)) for _, idxInfo := range tbl.Indices { - if !idxInfo.Unique || idxInfo.State != model.StatePublic { + if !idxInfo.Unique || idxInfo.State != model.StatePublic || idxInfo.Invisible { continue } if len(idxInfo.Columns) != len(whereColNames) || idxInfo.HasPrefixIndex() { @@ -799,10 +799,7 @@ func tryPointGetPlan(ctx sessionctx.Context, selStmt *ast.SelectStmt) *PointGetP } for _, idxInfo := range tbl.Indices { - if !idxInfo.Unique { - continue - } - if idxInfo.State != model.StatePublic { + if !idxInfo.Unique || idxInfo.State != model.StatePublic || idxInfo.Invisible { continue } if isTableDual { diff --git a/planner/core/point_get_plan_test.go b/planner/core/point_get_plan_test.go index c74a1140fc4a2..91c2ff0c5cc5a 100644 --- a/planner/core/point_get_plan_test.go +++ b/planner/core/point_get_plan_test.go @@ -536,3 +536,29 @@ func (s *testPointGetSuite) TestIssue20692(c *C) { tk3.MustExec("commit;") tk3.MustQuery("select * from t;").Check(testkit.Rows("10 20 30 40")) } + +func (s *testPointGetSuite) TestPointGetWithInvisibleIndex(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (c1 int, unique(c1))") + tk.MustExec("alter table t alter index c1 invisible") + tk.MustQuery("explain select * from t where c1 = 10").Check(testkit.Rows( + "TableReader_7 1.00 root data:Selection_6", + "└─Selection_6 1.00 cop[tikv] eq(test.t.c1, 10)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", + )) +} + +func (s *testPointGetSuite) TestBatchPointGetWithInvisibleIndex(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (c1 int, unique(c1))") + tk.MustExec("alter table t alter index c1 invisible") + tk.MustQuery("explain select * from t where c1 in (10, 20)").Check(testkit.Rows( + "TableReader_7 2.00 root data:Selection_6", + "└─Selection_6 2.00 cop[tikv] in(test.t.c1, 10, 20)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", + )) +} From 863117ba052e567f446813efb1ecf9494d34070e Mon Sep 17 00:00:00 2001 From: Song Gao Date: Tue, 17 Nov 2020 14:28:27 +0800 Subject: [PATCH 0234/1021] session: Check the partition placement constraint of local transactions (#21039) Signed-off-by: Song Gao --- ddl/error.go | 3 + ddl/placement/const.go | 4 + ddl/placement_sql_test.go | 142 +++++++++++++++++++++++++++++++++ errno/errcode.go | 1 + errno/errname.go | 1 + errors.toml | 5 ++ session/session.go | 44 +++++++++- sessionctx/variable/session.go | 3 + 8 files changed, 201 insertions(+), 2 deletions(-) diff --git a/ddl/error.go b/ddl/error.go index e66ca06a4d95d..749c752d33526 100644 --- a/ddl/error.go +++ b/ddl/error.go @@ -251,6 +251,9 @@ var ( // ErrInvalidPlacementSpec is returned when add/alter an invalid placement rule ErrInvalidPlacementSpec = dbterror.ClassDDL.NewStd(mysql.ErrInvalidPlacementSpec) + // ErrInvalidPlacementPolicyCheck is returned when txn_scope and commit data changing do not meet the placement policy + ErrInvalidPlacementPolicyCheck = dbterror.ClassDDL.NewStd(mysql.ErrPlacementPolicyCheck) + // ErrMultipleDefConstInListPart returns multiple definition of same constant in list partitioning. ErrMultipleDefConstInListPart = dbterror.ClassDDL.NewStd(mysql.ErrMultipleDefConstInListPart) diff --git a/ddl/placement/const.go b/ddl/placement/const.go index 9c171dcbf582b..d90763d91e97e 100644 --- a/ddl/placement/const.go +++ b/ddl/placement/const.go @@ -28,3 +28,7 @@ const ( // RuleIndexIndex is the index for a rule of index. RuleIndexIndex ) + +// DCLabelKey indicates the key of label which represents the dc for Store. +// FIXME: currently we assumes "zone" is the dcLabel key in Store +const DCLabelKey = "zone" diff --git a/ddl/placement_sql_test.go b/ddl/placement_sql_test.go index 3d1e0503585a6..83c79cb203d2c 100644 --- a/ddl/placement_sql_test.go +++ b/ddl/placement_sql_test.go @@ -20,6 +20,7 @@ import ( "github.com/pingcap/parser/model" "github.com/pingcap/tidb/ddl" "github.com/pingcap/tidb/ddl/placement" + "github.com/pingcap/tidb/session" "github.com/pingcap/tidb/util/testkit" ) @@ -326,3 +327,144 @@ func (s *testDBSuite1) TestPlacementPolicyCache(c *C) { tk.MustExec("truncate table t1") tk.MustQuery("select * from information_schema.placement_policy").Check(testkit.Rows()) } + +func (s *testSerialDBSuite) TestTxnScopeConstraint(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t1") + defer tk.MustExec("drop table if exists t1") + + tk.MustExec(`create table t1 (c int) +PARTITION BY RANGE (c) ( + PARTITION p0 VALUES LESS THAN (6), + PARTITION p1 VALUES LESS THAN (11), + PARTITION p2 VALUES LESS THAN (16), + PARTITION p3 VALUES LESS THAN (21) +);`) + + bundles := make(map[string]*placement.Bundle) + is := s.dom.InfoSchema() + is.MockBundles(bundles) + + tb, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t1")) + c.Assert(err, IsNil) + partDefs := tb.Meta().GetPartitionInfo().Definitions + + for _, def := range partDefs { + if def.Name.String() == "p0" { + groupID := placement.GroupID(def.ID) + bundles[groupID] = &placement.Bundle{ + ID: groupID, + Rules: []*placement.Rule{ + { + GroupID: groupID, + Role: placement.Leader, + Count: 1, + LabelConstraints: []placement.LabelConstraint{ + { + Key: placement.DCLabelKey, + Op: placement.In, + Values: []string{"sh"}, + }, + }, + }, + }, + } + } else if def.Name.String() == "p2" { + groupID := placement.GroupID(def.ID) + bundles[groupID] = &placement.Bundle{ + ID: groupID, + Rules: []*placement.Rule{ + { + GroupID: groupID, + Role: placement.Follower, + Count: 3, + LabelConstraints: []placement.LabelConstraint{ + { + Key: placement.DCLabelKey, + Op: placement.In, + Values: []string{"sh"}, + }, + }, + }, + }, + } + + } + } + + testCases := []struct { + name string + sql string + txnScope string + disableAutoCommit bool + err error + }{ + { + name: "Insert into PARTITION p0 with global txnScope", + sql: "insert into t1 (c) values (1)", + txnScope: "global", + err: nil, + }, + { + name: "insert into PARTITION p0 with wrong txnScope", + sql: "insert into t1 (c) values (1)", + txnScope: "bj", + err: fmt.Errorf(".*out of txn_scope.*"), + }, + { + name: "insert into PARTITION p1 with local txnScope", + sql: "insert into t1 (c) values (10)", + txnScope: "bj", + err: fmt.Errorf(".*don't have placement policies with txn_scope.*"), + }, + { + name: "insert into PARTITION p1 with global txnScope", + sql: "insert into t1 (c) values (10)", + txnScope: "global", + err: nil, + }, + { + name: "insert into PARTITION p2 with local txnScope", + sql: "insert into t1 (c) values (15)", + txnScope: "bj", + err: fmt.Errorf(".*leader placement policy is not defined.*"), + }, + { + name: "insert into PARTITION p2 with global txnScope", + sql: "insert into t1 (c) values (15)", + txnScope: "global", + err: nil, + }, + { + name: "insert into PARTITION p0 with wrong txnScope and autocommit off", + sql: "insert into t1 (c) values (1)", + txnScope: "bj", + disableAutoCommit: true, + err: fmt.Errorf(".*out of txn_scope.*"), + }, + } + + for _, testcase := range testCases { + c.Log(testcase.name) + se, err := session.CreateSession4Test(s.store) + c.Check(err, IsNil) + tk.Se = se + tk.MustExec("use test") + tk.MustExec(fmt.Sprintf("set @@txn_scope = %v", testcase.txnScope)) + if testcase.disableAutoCommit { + tk.MustExec("set @@autocommit = 0") + tk.MustExec(testcase.sql) + _, err = tk.Exec("commit") + } else { + _, err = tk.Exec(testcase.sql) + } + if testcase.err == nil { + c.Assert(err, IsNil) + } else { + c.Assert(err, NotNil) + c.Assert(err.Error(), Matches, testcase.err.Error()) + fmt.Println(err.Error()) + } + } +} diff --git a/errno/errcode.go b/errno/errcode.go index 24ae800753ef1..d07358216dc19 100644 --- a/errno/errcode.go +++ b/errno/errcode.go @@ -1023,6 +1023,7 @@ const ( ErrTableOptionInsertMethodUnsupported = 8233 ErrInvalidPlacementSpec = 8234 ErrDDLReorgElementNotExist = 8235 + ErrPlacementPolicyCheck = 8236 // TiKV/PD errors. ErrPDServerTimeout = 9001 diff --git a/errno/errname.go b/errno/errname.go index d97af3d80a432..3d6b299837e04 100644 --- a/errno/errname.go +++ b/errno/errname.go @@ -1028,6 +1028,7 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrBRIEExportFailed: mysql.Message("Export failed: %s", nil), ErrInvalidPlacementSpec: mysql.Message("Invalid placement policy '%s': %s", nil), + ErrPlacementPolicyCheck: mysql.Message("Placement policy didn't meet the constraint, reason: %s", nil), // TiKV/PD errors. ErrPDServerTimeout: mysql.Message("PD server timeout", nil), diff --git a/errors.toml b/errors.toml index 937b08bf73834..0b4e353f97fff 100644 --- a/errors.toml +++ b/errors.toml @@ -431,6 +431,11 @@ error = ''' Invalid placement policy '%s': %s ''' +["ddl:8236"] +error = ''' +Placement policy didn't meet the constraint, reason: %s +''' + ["domain:8027"] error = ''' Information schema is out of date: schema failed to update in 1 lease, please make sure TiDB can connect to TiKV diff --git a/session/session.go b/session/session.go index 740a394251899..efde542c10a38 100644 --- a/session/session.go +++ b/session/session.go @@ -43,6 +43,8 @@ import ( "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/bindinfo" "github.com/pingcap/tidb/config" + "github.com/pingcap/tidb/ddl" + "github.com/pingcap/tidb/ddl/placement" "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/executor" "github.com/pingcap/tidb/infoschema" @@ -473,6 +475,11 @@ func (s *session) doCommitWithRetry(ctx context.Context) error { // If the transaction is invalid, maybe it has already been rolled back by the client. return nil } + var err error + err = s.checkPlacementPolicyBeforeCommit() + if err != nil { + return err + } txnSize := s.txn.Size() isPessimistic := s.txn.IsPessimistic() if span := opentracing.SpanFromContext(ctx); span != nil && span.Tracer() != nil { @@ -480,7 +487,7 @@ func (s *session) doCommitWithRetry(ctx context.Context) error { defer span1.Finish() ctx = opentracing.ContextWithSpan(ctx, span1) } - err := s.doCommit(ctx) + err = s.doCommit(ctx) if err != nil { commitRetryLimit := s.sessionVars.RetryLimit if !s.sessionVars.TxnCtx.CouldRetry { @@ -550,7 +557,6 @@ func (s *session) CommitTxn(ctx context.Context) error { failpoint.Return(err) } }) - s.sessionVars.TxnCtx.Cleanup() return err } @@ -1624,6 +1630,7 @@ func (s *session) NewTxn(ctx context.Context) error { CreateTime: time.Now(), StartTS: txn.StartTS(), ShardStep: int(s.sessionVars.ShardAllocateStep), + TxnScope: s.GetSessionVars().TxnScope, } return nil } @@ -2298,6 +2305,7 @@ func (s *session) PrepareTxnCtx(ctx context.Context) { SchemaVersion: is.SchemaMetaVersion(), CreateTime: time.Now(), ShardStep: int(s.sessionVars.ShardAllocateStep), + TxnScope: s.GetSessionVars().TxnScope, } if !s.sessionVars.IsAutocommit() || s.sessionVars.RetryInfo.Retrying { if s.sessionVars.TxnMode == ast.Pessimistic { @@ -2433,3 +2441,35 @@ func (s *session) recordOnTransactionExecution(err error, counter int, duration } } } + +func (s *session) checkPlacementPolicyBeforeCommit() error { + var err error + txnScope := s.GetSessionVars().TxnCtx.TxnScope + if txnScope == "" { + txnScope = config.DefTxnScope + } + if txnScope != config.DefTxnScope { + is := infoschema.GetInfoSchema(s) + for physicalTableID := range s.GetSessionVars().TxnCtx.TableDeltaMap { + bundle, ok := is.BundleByName(placement.GroupID(physicalTableID)) + if !ok { + err = ddl.ErrInvalidPlacementPolicyCheck.GenWithStackByArgs( + fmt.Sprintf("table or partition %v don't have placement policies with txn_scope %v", + physicalTableID, txnScope)) + break + } + dcLocation, ok := placement.GetLeaderDCByBundle(bundle, placement.DCLabelKey) + if !ok { + err = ddl.ErrInvalidPlacementPolicyCheck.GenWithStackByArgs( + fmt.Sprintf("table or partition %v's leader placement policy is not defined", physicalTableID)) + break + } + if dcLocation != txnScope { + err = ddl.ErrInvalidPlacementPolicyCheck.GenWithStackByArgs( + fmt.Sprintf("table or partition %v's leader location %v is out of txn_scope %v", physicalTableID, dcLocation, txnScope)) + break + } + } + } + return err +} diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index dcc26f40a217e..0ae6d2e4f4f95 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -170,6 +170,9 @@ type TransactionContext struct { Isolation string LockExpire uint32 ForUpdate uint32 + + // TxnScope stores the value of 'txn_scope'. + TxnScope string } // GetShard returns the shard prefix for the next `count` rowids. From f72cec77b6cb8c9f4f5bbebf76da807ceb57ef85 Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Tue, 17 Nov 2020 15:19:04 +0800 Subject: [PATCH 0235/1021] *: support SQL bind for Update / Delete / Insert / Replace (#20686) --- bindinfo/bind_test.go | 291 ++++++++++++++++++++- bindinfo/handle.go | 42 ++- executor/compiler.go | 27 +- planner/core/hints.go | 6 + planner/core/preprocess.go | 55 +++- planner/core/preprocess_test.go | 2 +- planner/core/testdata/plan_suite_out.json | 2 +- planner/optimize.go | 30 ++- session/session_test.go | 4 +- util/hint/hint_processor.go | 63 ++++- util/stmtsummary/statement_summary.go | 6 +- util/stmtsummary/statement_summary_test.go | 10 +- 12 files changed, 486 insertions(+), 52 deletions(-) diff --git a/bindinfo/bind_test.go b/bindinfo/bind_test.go index f510761b9bad7..85f726cdfcafd 100644 --- a/bindinfo/bind_test.go +++ b/bindinfo/bind_test.go @@ -159,6 +159,27 @@ func (s *testSuite) TestBindParse(c *C) { tk.MustExec(`create binding for (select * from t) union all (select * from t) using (select * from t use index(index_t)) union all (select * from t use index())`) tk.MustExec(`drop binding for (select * from t) union all (select * from t) using (select * from t use index(index_t)) union all (select * from t use index())`) + // Test Update / Delete. + tk.MustExec("create table t1(a int, b int, c int, key(b), key(c))") + tk.MustExec("create table t2(a int, b int, c int, key(b), key(c))") + tk.MustExec("create binding for delete from t1 where b = 1 and c > 1 using delete /*+ use_index(t1, c) */ from t1 where b = 1 and c > 1") + tk.MustExec("drop binding for delete from t1 where b = 1 and c > 1 using delete /*+ use_index(t1, c) */ from t1 where b = 1 and c > 1") + tk.MustExec("create binding for delete t1, t2 from t1 inner join t2 on t1.b = t2.b where t1.c = 1 using delete /*+ hash_join(t1, t2), use_index(t1, c) */ t1, t2 from t1 inner join t2 on t1.b = t2.b where t1.c = 1") + tk.MustExec("drop binding for delete t1, t2 from t1 inner join t2 on t1.b = t2.b where t1.c = 1 using delete /*+ hash_join(t1, t2), use_index(t1, c) */ t1, t2 from t1 inner join t2 on t1.b = t2.b where t1.c = 1") + tk.MustExec("create binding for update t1 set a = 1 where b = 1 and c > 1 using update /*+ use_index(t1, c) */ t1 set a = 1 where b = 1 and c > 1") + tk.MustExec("drop binding for update t1 set a = 1 where b = 1 and c > 1 using update /*+ use_index(t1, c) */ t1 set a = 1 where b = 1 and c > 1") + tk.MustExec("create binding for update t1, t2 set t1.a = 1 where t1.b = t2.b using update /*+ inl_join(t1) */ t1, t2 set t1.a = 1 where t1.b = t2.b") + tk.MustExec("drop binding for update t1, t2 set t1.a = 1 where t1.b = t2.b using update /*+ inl_join(t1) */ t1, t2 set t1.a = 1 where t1.b = t2.b") + // Test Insert / Replace. + tk.MustExec("create binding for insert into t1 select * from t2 where t2.b = 1 and t2.c > 1 using insert into t1 select /*+ use_index(t2,c) */ * from t2 where t2.b = 1 and t2.c > 1") + tk.MustExec("drop binding for insert into t1 select * from t2 where t2.b = 1 and t2.c > 1 using insert into t1 select /*+ use_index(t2,c) */ * from t2 where t2.b = 1 and t2.c > 1") + tk.MustExec("create binding for replace into t1 select * from t2 where t2.b = 1 and t2.c > 1 using replace into t1 select /*+ use_index(t2,c) */ * from t2 where t2.b = 1 and t2.c > 1") + tk.MustExec("drop binding for replace into t1 select * from t2 where t2.b = 1 and t2.c > 1 using replace into t1 select /*+ use_index(t2,c) */ * from t2 where t2.b = 1 and t2.c > 1") + err = tk.ExecToErr("create binding for insert into t1 values(1,1,1) using insert into t1 values(1,1,1)") + c.Assert(err.Error(), Equals, "create binding only supports INSERT / REPLACE INTO SELECT") + err = tk.ExecToErr("create binding for replace into t1 values(1,1,1) using replace into t1 values(1,1,1)") + c.Assert(err.Error(), Equals, "create binding only supports INSERT / REPLACE INTO SELECT") + // Test errors. tk.MustExec(`drop table if exists t1`) tk.MustExec("create table t1(i int, s varchar(20))") @@ -220,6 +241,60 @@ var testSQLs = []struct { dropSQL: "binding for select * from t except select * from t", memoryUsage: float64(132), }, + { + createSQL: "binding for delete from t where i = 1 using delete /*+ use_index(t,index_t) */ from t where i = 1", + overlaySQL: "", + querySQL: "delete from t where i = 2", + originSQL: "delete from t where i = ?", + bindSQL: "delete /*+ use_index(t,index_t) */ from t where i = 1", + dropSQL: "binding for delete from t where i = 1", + memoryUsage: float64(103), + }, + { + createSQL: "binding for delete t, t1 from t inner join t1 on t.s = t1.s where t.i = 1 using delete /*+ use_index(t,index_t), hash_join(t,t1) */ t, t1 from t inner join t1 on t.s = t1.s where t.i = 1", + overlaySQL: "", + querySQL: "delete t, t1 from t inner join t1 on t.s = t1.s where t.i = 2", + originSQL: "delete t , t1 from t inner join t1 on t . s = t1 . s where t . i = ?", + bindSQL: "delete /*+ use_index(t,index_t), hash_join(t,t1) */ t, t1 from t inner join t1 on t.s = t1.s where t.i = 1", + dropSQL: "binding for delete t, t1 from t inner join t1 on t.s = t1.s where t.i = 1", + memoryUsage: float64(199), + }, + { + createSQL: "binding for update t set s = 'a' where i = 1 using update /*+ use_index(t,index_t) */ t set s = 'a' where i = 1", + overlaySQL: "", + querySQL: "update t set s='b' where i=2", + originSQL: "update t set s = ? where i = ?", + bindSQL: "update /*+ use_index(t,index_t) */ t set s = 'a' where i = 1", + dropSQL: "binding for update t set s = 'a' where i = 1", + memoryUsage: float64(115), + }, + { + createSQL: "binding for update t, t1 set t.s = 'a' where t.i = t1.i using update /*+ inl_join(t1) */ t, t1 set t.s = 'a' where t.i = t1.i", + overlaySQL: "", + querySQL: "update t , t1 set t.s='b' where t.i=t1.i", + originSQL: "update t , t1 set t . s = ? where t . i = t1 . i", + bindSQL: "update /*+ inl_join(t1) */ t, t1 set t.s = 'a' where t.i = t1.i", + dropSQL: "binding for update t, t1 set t.s = 'a' where t.i = t1.i", + memoryUsage: float64(136), + }, + { + createSQL: "binding for insert into t1 select * from t where t.i = 1 using insert into t1 select /*+ use_index(t,index_t) */ * from t where t.i = 1", + overlaySQL: "", + querySQL: "insert into t1 select * from t where t.i = 2", + originSQL: "insert into t1 select * from t where t . i = ?", + bindSQL: "insert into t1 select /*+ use_index(t,index_t) */ * from t where t.i = 1", + dropSQL: "binding for insert into t1 select * from t where t.i = 1", + memoryUsage: float64(143), + }, + { + createSQL: "binding for replace into t1 select * from t where t.i = 1 using replace into t1 select /*+ use_index(t,index_t) */ * from t where t.i = 1", + overlaySQL: "", + querySQL: "replace into t1 select * from t where t.i = 2", + originSQL: "replace into t1 select * from t where t . i = ?", + bindSQL: "replace into t1 select /*+ use_index(t,index_t) */ * from t where t.i = 1", + dropSQL: "binding for replace into t1 select * from t where t.i = 1", + memoryUsage: float64(145), + }, } func (s *testSuite) TestGlobalBinding(c *C) { @@ -523,6 +598,60 @@ func (s *testSuite) TestBindingSymbolList(c *C) { c.Check(bind.UpdateTime, NotNil) } +func (s *testSuite) TestDMLSQLBind(c *C) { + tk := testkit.NewTestKit(c, s.store) + s.cleanBindingEnv(tk) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t1(a int, b int, c int, key idx_b(b), key idx_c(c))") + tk.MustExec("create table t2(a int, b int, c int, key idx_b(b), key idx_c(c))") + + tk.MustExec("delete from t1 where b = 1 and c > 1") + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t1:idx_b") + c.Assert(tk.MustUseIndex("delete from t1 where b = 1 and c > 1", "idx_b(b)"), IsTrue) + tk.MustExec("create global binding for delete from t1 where b = 1 and c > 1 using delete /*+ use_index(t1,idx_c) */ from t1 where b = 1 and c > 1") + tk.MustExec("delete from t1 where b = 1 and c > 1") + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t1:idx_c") + c.Assert(tk.MustUseIndex("delete from t1 where b = 1 and c > 1", "idx_c(c)"), IsTrue) + + c.Assert(tk.HasPlan("delete t1, t2 from t1 inner join t2 on t1.b = t2.b", "HashJoin"), IsTrue) + tk.MustExec("create global binding for delete t1, t2 from t1 inner join t2 on t1.b = t2.b using delete /*+ inl_join(t1) */ t1, t2 from t1 inner join t2 on t1.b = t2.b") + c.Assert(tk.HasPlan("delete t1, t2 from t1 inner join t2 on t1.b = t2.b", "IndexJoin"), IsTrue) + + tk.MustExec("update t1 set a = 1 where b = 1 and c > 1") + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t1:idx_b") + c.Assert(tk.MustUseIndex("update t1 set a = 1 where b = 1 and c > 1", "idx_b(b)"), IsTrue) + tk.MustExec("create global binding for update t1 set a = 1 where b = 1 and c > 1 using update /*+ use_index(t1,idx_c) */ t1 set a = 1 where b = 1 and c > 1") + tk.MustExec("delete from t1 where b = 1 and c > 1") + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t1:idx_c") + c.Assert(tk.MustUseIndex("update t1 set a = 1 where b = 1 and c > 1", "idx_c(c)"), IsTrue) + + c.Assert(tk.HasPlan("update t1, t2 set t1.a = 1 where t1.b = t2.b", "HashJoin"), IsTrue) + tk.MustExec("create global binding for update t1, t2 set t1.a = 1 where t1.b = t2.b using update /*+ inl_join(t1) */ t1, t2 set t1.a = 1 where t1.b = t2.b") + c.Assert(tk.HasPlan("update t1, t2 set t1.a = 1 where t1.b = t2.b", "IndexJoin"), IsTrue) + + tk.MustExec("insert into t1 select * from t2 where t2.b = 2 and t2.c > 2") + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t2:idx_b") + c.Assert(tk.MustUseIndex("insert into t1 select * from t2 where t2.b = 2 and t2.c > 2", "idx_b(b)"), IsTrue) + tk.MustExec("create global binding for insert into t1 select * from t2 where t2.b = 1 and t2.c > 1 using insert /*+ use_index(t2,idx_c) */ into t1 select * from t2 where t2.b = 1 and t2.c > 1") + tk.MustExec("insert into t1 select * from t2 where t2.b = 2 and t2.c > 2") + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t2:idx_b") + c.Assert(tk.MustUseIndex("insert into t1 select * from t2 where t2.b = 2 and t2.c > 2", "idx_b(b)"), IsTrue) + tk.MustExec("drop global binding for insert into t1 select * from t2 where t2.b = 1 and t2.c > 1") + tk.MustExec("create global binding for insert into t1 select * from t2 where t2.b = 1 and t2.c > 1 using insert into t1 select /*+ use_index(t2,idx_c) */ * from t2 where t2.b = 1 and t2.c > 1") + tk.MustExec("insert into t1 select * from t2 where t2.b = 2 and t2.c > 2") + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t2:idx_c") + c.Assert(tk.MustUseIndex("insert into t1 select * from t2 where t2.b = 2 and t2.c > 2", "idx_c(c)"), IsTrue) + + tk.MustExec("replace into t1 select * from t2 where t2.b = 2 and t2.c > 2") + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t2:idx_b") + c.Assert(tk.MustUseIndex("replace into t1 select * from t2 where t2.b = 2 and t2.c > 2", "idx_b(b)"), IsTrue) + tk.MustExec("create global binding for replace into t1 select * from t2 where t2.b = 1 and t2.c > 1 using replace into t1 select /*+ use_index(t2,idx_c) */ * from t2 where t2.b = 1 and t2.c > 1") + tk.MustExec("replace into t1 select * from t2 where t2.b = 2 and t2.c > 2") + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t2:idx_c") + c.Assert(tk.MustUseIndex("replace into t1 select * from t2 where t2.b = 2 and t2.c > 2", "idx_c(c)"), IsTrue) +} + func (s *testSuite) TestBestPlanInBaselines(c *C) { tk := testkit.NewTestKit(c, s.store) s.cleanBindingEnv(tk) @@ -627,6 +756,104 @@ func (s *testSuite) TestPreparedStmt(c *C) { tk.MustExec("drop binding for select * from t") tk.MustExec("execute stmt1") c.Assert(len(tk.Se.GetSessionVars().StmtCtx.IndexNames), Equals, 0) + + tk.MustExec("drop table t") + tk.MustExec("create table t(a int, b int, c int, index idx_b(b), index idx_c(c))") + tk.MustExec("set @p = 1") + + tk.MustExec("prepare stmt from 'delete from t where b = ? and c > ?'") + tk.MustExec("execute stmt using @p,@p") + c.Assert(len(tk.Se.GetSessionVars().StmtCtx.IndexNames), Equals, 1) + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t:idx_b") + tk.MustExec("create binding for delete from t where b = 2 and c > 2 using delete /*+ use_index(t,idx_c) */ from t where b = 2 and c > 2") + tk.MustExec("execute stmt using @p,@p") + c.Assert(len(tk.Se.GetSessionVars().StmtCtx.IndexNames), Equals, 1) + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t:idx_c") + + tk.MustExec("prepare stmt from 'update t set a = 1 where b = ? and c > ?'") + tk.MustExec("execute stmt using @p,@p") + c.Assert(len(tk.Se.GetSessionVars().StmtCtx.IndexNames), Equals, 1) + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t:idx_b") + tk.MustExec("create binding for update t set a = 2 where b = 2 and c > 2 using update /*+ use_index(t,idx_c) */ t set a = 2 where b = 2 and c > 2") + tk.MustExec("execute stmt using @p,@p") + c.Assert(len(tk.Se.GetSessionVars().StmtCtx.IndexNames), Equals, 1) + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t:idx_c") + + tk.MustExec("drop table if exists t1") + tk.MustExec("create table t1 like t") + tk.MustExec("prepare stmt from 'insert into t1 select * from t where t.b = ? and t.c > ?'") + tk.MustExec("execute stmt using @p,@p") + c.Assert(len(tk.Se.GetSessionVars().StmtCtx.IndexNames), Equals, 1) + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t:idx_b") + tk.MustExec("create binding for insert into t1 select * from t where t.b = 2 and t.c > 2 using insert into t1 select /*+ use_index(t,idx_c) */ * from t where t.b = 2 and t.c > 2") + tk.MustExec("execute stmt using @p,@p") + c.Assert(len(tk.Se.GetSessionVars().StmtCtx.IndexNames), Equals, 1) + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t:idx_c") + + tk.MustExec("prepare stmt from 'replace into t1 select * from t where t.b = ? and t.c > ?'") + tk.MustExec("execute stmt using @p,@p") + c.Assert(len(tk.Se.GetSessionVars().StmtCtx.IndexNames), Equals, 1) + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t:idx_b") + tk.MustExec("create binding for replace into t1 select * from t where t.b = 2 and t.c > 2 using replace into t1 select /*+ use_index(t,idx_c) */ * from t where t.b = 2 and t.c > 2") + tk.MustExec("execute stmt using @p,@p") + c.Assert(len(tk.Se.GetSessionVars().StmtCtx.IndexNames), Equals, 1) + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t:idx_c") +} + +func (s *testSuite) TestDMLCapturePlanBaseline(c *C) { + tk := testkit.NewTestKit(c, s.store) + s.cleanBindingEnv(tk) + stmtsummary.StmtSummaryByDigestMap.Clear() + tk.MustExec(" set @@tidb_capture_plan_baselines = on") + defer func() { + tk.MustExec(" set @@tidb_capture_plan_baselines = off") + }() + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int, b int, c int, key idx_b(b), key idx_c(c))") + tk.MustExec("create table t1 like t") + s.domain.BindHandle().CaptureBaselines() + tk.MustQuery("show global bindings").Check(testkit.Rows()) + tk.MustExec("delete from t where b = 1 and c > 1") + tk.MustExec("delete from t where b = 1 and c > 1") + tk.MustExec("update t set a = 1 where b = 1 and c > 1") + tk.MustExec("update t set a = 1 where b = 1 and c > 1") + tk.MustExec("insert into t1 select * from t where t.b = 1 and t.c > 1") + tk.MustExec("insert into t1 select * from t where t.b = 1 and t.c > 1") + tk.MustExec("replace into t1 select * from t where t.b = 1 and t.c > 1") + tk.MustExec("replace into t1 select * from t where t.b = 1 and t.c > 1") + tk.MustExec("insert into t1 values(1,1,1)") + tk.MustExec("insert into t1 values(1,1,1)") + tk.MustExec("replace into t1 values(1,1,1)") + tk.MustExec("replace into t1 values(1,1,1)") + tk.MustExec("admin capture bindings") + rows := tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 0) + + c.Assert(tk.Se.Auth(&auth.UserIdentity{Username: "root", Hostname: "%"}, nil, nil), IsTrue) + tk.MustExec("delete from t where b = 1 and c > 1") + tk.MustExec("delete from t where b = 1 and c > 1") + tk.MustExec("update t set a = 1 where b = 1 and c > 1") + tk.MustExec("update t set a = 1 where b = 1 and c > 1") + tk.MustExec("insert into t1 select * from t where t.b = 1 and t.c > 1") + tk.MustExec("insert into t1 select * from t where t.b = 1 and t.c > 1") + tk.MustExec("replace into t1 select * from t where t.b = 1 and t.c > 1") + tk.MustExec("replace into t1 select * from t where t.b = 1 and t.c > 1") + tk.MustExec("insert into t1 values(1,1,1)") + tk.MustExec("insert into t1 values(1,1,1)") + tk.MustExec("replace into t1 values(1,1,1)") + tk.MustExec("replace into t1 values(1,1,1)") + tk.MustExec("admin capture bindings") + rows = tk.MustQuery("show global bindings").Sort().Rows() + c.Assert(len(rows), Equals, 4) + c.Assert(rows[0][0], Equals, "delete from t where b = ? and c > ?") + c.Assert(rows[0][1], Equals, "DELETE /*+ use_index(@`del_1` `test`.`t` `idx_b`)*/ FROM `t` WHERE `b`=1 AND `c`>1") + c.Assert(rows[1][0], Equals, "insert into t1 select * from t where t . b = ? and t . c > ?") + c.Assert(rows[1][1], Equals, "INSERT INTO `t1` SELECT /*+ use_index(@`sel_1` `test`.`t` `idx_b`)*/ * FROM `t` WHERE `t`.`b`=1 AND `t`.`c`>1") + c.Assert(rows[2][0], Equals, "replace into t1 select * from t where t . b = ? and t . c > ?") + c.Assert(rows[2][1], Equals, "REPLACE INTO `t1` SELECT /*+ use_index(@`sel_1` `test`.`t` `idx_b`)*/ * FROM `t` WHERE `t`.`b`=1 AND `t`.`c`>1") + c.Assert(rows[3][0], Equals, "update t set a = ? where b = ? and c > ?") + c.Assert(rows[3][1], Equals, "UPDATE /*+ use_index(@`upd_1` `test`.`t` `idx_b`)*/ `t` SET `a`=1 WHERE `b`=1 AND `c`>1") } func (s *testSuite) TestCapturePlanBaseline(c *C) { @@ -638,7 +865,7 @@ func (s *testSuite) TestCapturePlanBaseline(c *C) { tk.MustExec(" set @@tidb_capture_plan_baselines = off") }() tk.MustExec("use test") - tk.MustExec("drop table if exists t, t1") + tk.MustExec("drop table if exists t") tk.MustExec("create table t(a int)") s.domain.BindHandle().CaptureBaselines() tk.MustQuery("show global bindings").Check(testkit.Rows()) @@ -728,6 +955,66 @@ func (s *testSuite) TestDropSingleBindings(c *C) { c.Assert(len(rows), Equals, 0) } +func (s *testSuite) TestDMLEvolveBaselines(c *C) { + tk := testkit.NewTestKit(c, s.store) + s.cleanBindingEnv(tk) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int, b int, c int, index idx_b(b), index idx_c(c))") + tk.MustExec("insert into t values (1,1,1), (2,2,2), (3,3,3), (4,4,4), (5,5,5)") + tk.MustExec("analyze table t") + tk.MustExec("set @@tidb_evolve_plan_baselines=1") + + tk.MustExec("create global binding for delete from t where b = 1 and c > 1 using delete /*+ use_index(t,idx_c) */ from t where b = 1 and c > 1") + rows := tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 1) + tk.MustExec("delete /*+ use_index(t,idx_b) */ from t where b = 2 and c > 1") + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t:idx_c") + tk.MustExec("admin flush bindings") + rows = tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 1) + tk.MustExec("admin evolve bindings") + rows = tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 1) + + tk.MustExec("create global binding for update t set a = 1 where b = 1 and c > 1 using update /*+ use_index(t,idx_c) */ t set a = 1 where b = 1 and c > 1") + rows = tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 2) + tk.MustExec("update /*+ use_index(t,idx_b) */ t set a = 2 where b = 2 and c > 1") + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t:idx_c") + tk.MustExec("admin flush bindings") + rows = tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 2) + tk.MustExec("admin evolve bindings") + rows = tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 2) + + tk.MustExec("create table t1 like t") + tk.MustExec("create global binding for insert into t1 select * from t where t.b = 1 and t.c > 1 using insert into t1 select /*+ use_index(t,idx_c) */ * from t where t.b = 1 and t.c > 1") + rows = tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 3) + tk.MustExec("insert into t1 select /*+ use_index(t,idx_b) */ * from t where t.b = 2 and t.c > 2") + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t:idx_c") + tk.MustExec("admin flush bindings") + rows = tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 3) + tk.MustExec("admin evolve bindings") + rows = tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 3) + + tk.MustExec("create global binding for replace into t1 select * from t where t.b = 1 and t.c > 1 using replace into t1 select /*+ use_index(t,idx_c) */ * from t where t.b = 1 and t.c > 1") + rows = tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 4) + tk.MustExec("replace into t1 select /*+ use_index(t,idx_b) */ * from t where t.b = 2 and t.c > 2") + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t:idx_c") + tk.MustExec("admin flush bindings") + rows = tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 4) + tk.MustExec("admin evolve bindings") + rows = tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 4) +} + func (s *testSuite) TestAddEvolveTasks(c *C) { tk := testkit.NewTestKit(c, s.store) s.cleanBindingEnv(tk) @@ -1267,7 +1554,7 @@ func (s *testSuite) TestInvisibleIndex(c *C) { tk.MustExec("drop binding for select * from t") } -func (s *testSuite) TestbindingSource(c *C) { +func (s *testSuite) TestBindingSource(c *C) { tk := testkit.NewTestKit(c, s.store) s.cleanBindingEnv(tk) tk.MustExec("use test") diff --git a/bindinfo/handle.go b/bindinfo/handle.go index 03757e3da113d..3cc58be349e4b 100644 --- a/bindinfo/handle.go +++ b/bindinfo/handle.go @@ -596,16 +596,19 @@ func (h *BindHandle) logicalDeleteBindInfoSQL(originalSQL, db string, updateTs t // CaptureBaselines is used to automatically capture plan baselines. func (h *BindHandle) CaptureBaselines() { parser4Capture := parser.New() - schemas, sqls := stmtsummary.StmtSummaryByDigestMap.GetMoreThanOnceSelect() + schemas, sqls := stmtsummary.StmtSummaryByDigestMap.GetMoreThanOnceBindableStmt() for i := range sqls { stmt, err := parser4Capture.ParseOneStmt(sqls[i], "", "") if err != nil { logutil.BgLogger().Debug("parse SQL failed", zap.String("SQL", sqls[i]), zap.Error(err)) continue } - normalizedSQL, digiest := parser.NormalizeDigest(sqls[i]) + if insertStmt, ok := stmt.(*ast.InsertStmt); ok && insertStmt.Select == nil { + continue + } + normalizedSQL, digest := parser.NormalizeDigest(sqls[i]) dbName := utilparser.GetDefaultDB(stmt, schemas[i]) - if r := h.GetBindRecord(digiest, normalizedSQL, dbName); r != nil && r.HasUsingBinding() { + if r := h.GetBindRecord(digest, normalizedSQL, dbName); r != nil && r.HasUsingBinding() { continue } h.sctx.Lock() @@ -682,10 +685,35 @@ func GenerateBindSQL(ctx context.Context, stmtNode ast.StmtNode, planHint string logutil.Logger(ctx).Warn("Restore SQL failed", zap.Error(err)) } bindSQL := sb.String() - selectIdx := strings.Index(bindSQL, "SELECT") - // Remove possible `explain` prefix. - bindSQL = bindSQL[selectIdx:] - return strings.Replace(bindSQL, "SELECT", fmt.Sprintf("SELECT /*+ %s*/", planHint), 1) + switch n := stmtNode.(type) { + case *ast.DeleteStmt: + deleteIdx := strings.Index(bindSQL, "DELETE") + // Remove possible `explain` prefix. + bindSQL = bindSQL[deleteIdx:] + return strings.Replace(bindSQL, "DELETE", fmt.Sprintf("DELETE /*+ %s*/", planHint), 1) + case *ast.UpdateStmt: + updateIdx := strings.Index(bindSQL, "UPDATE") + // Remove possible `explain` prefix. + bindSQL = bindSQL[updateIdx:] + return strings.Replace(bindSQL, "UPDATE", fmt.Sprintf("UPDATE /*+ %s*/", planHint), 1) + case *ast.SelectStmt: + selectIdx := strings.Index(bindSQL, "SELECT") + // Remove possible `explain` prefix. + bindSQL = bindSQL[selectIdx:] + return strings.Replace(bindSQL, "SELECT", fmt.Sprintf("SELECT /*+ %s*/", planHint), 1) + case *ast.InsertStmt: + insertIdx := int(0) + if n.IsReplace { + insertIdx = strings.Index(bindSQL, "REPLACE") + } else { + insertIdx = strings.Index(bindSQL, "INSERT") + } + // Remove possible `explain` prefix. + bindSQL = bindSQL[insertIdx:] + return strings.Replace(bindSQL, "SELECT", fmt.Sprintf("SELECT /*+ %s*/", planHint), 1) + } + logutil.Logger(ctx).Warn("Unexpected statement type") + return "" } type paramMarkerChecker struct { diff --git a/executor/compiler.go b/executor/compiler.go index 49ae9e3e844da..0ae89ed95b785 100644 --- a/executor/compiler.go +++ b/executor/compiler.go @@ -218,17 +218,36 @@ func getStmtDbLabel(stmtNode ast.StmtNode) map[string]struct{} { } } case *ast.CreateBindingStmt: + var resNode ast.ResultSetNode if x.OriginNode != nil { - originSelect := x.OriginNode.(*ast.SelectStmt) - dbLabels := getDbFromResultNode(originSelect.From.TableRefs) + switch n := x.OriginNode.(type) { + case *ast.SelectStmt: + resNode = n.From.TableRefs + case *ast.DeleteStmt: + resNode = n.TableRefs.TableRefs + case *ast.UpdateStmt: + resNode = n.TableRefs.TableRefs + case *ast.InsertStmt: + resNode = n.Table.TableRefs + } + dbLabels := getDbFromResultNode(resNode) for _, db := range dbLabels { dbLabelSet[db] = struct{}{} } } if len(dbLabelSet) == 0 && x.HintedNode != nil { - hintedSelect := x.HintedNode.(*ast.SelectStmt) - dbLabels := getDbFromResultNode(hintedSelect.From.TableRefs) + switch n := x.HintedNode.(type) { + case *ast.SelectStmt: + resNode = n.From.TableRefs + case *ast.DeleteStmt: + resNode = n.TableRefs.TableRefs + case *ast.UpdateStmt: + resNode = n.TableRefs.TableRefs + case *ast.InsertStmt: + resNode = n.Table.TableRefs + } + dbLabels := getDbFromResultNode(resNode) for _, db := range dbLabels { dbLabelSet[db] = struct{}{} } diff --git a/planner/core/hints.go b/planner/core/hints.go index dc7dc370f8dc3..e9c3e32d8c5ac 100644 --- a/planner/core/hints.go +++ b/planner/core/hints.go @@ -31,6 +31,9 @@ func GenHintsFromPhysicalPlan(p Plan) []*ast.TableOptimizerHint { hints = genHintsFromPhysicalPlan(pp.SelectPlan, utilhint.TypeUpdate) case *Delete: hints = genHintsFromPhysicalPlan(pp.SelectPlan, utilhint.TypeDelete) + // For Insert, we only generate hints that would be used in select query block. + case *Insert: + hints = genHintsFromPhysicalPlan(pp.SelectPlan, utilhint.TypeSelect) case PhysicalPlan: hints = genHintsFromPhysicalPlan(pp, utilhint.TypeSelect) } @@ -104,6 +107,9 @@ func getJoinHints(sctx sessionctx.Context, joinType string, parentOffset int, no } func genHintsFromPhysicalPlan(p PhysicalPlan, nodeType utilhint.NodeType) (res []*ast.TableOptimizerHint) { + if p == nil { + return res + } for _, child := range p.Children() { res = append(res, genHintsFromPhysicalPlan(child, nodeType)...) } diff --git a/planner/core/preprocess.go b/planner/core/preprocess.go index 11b44d83e038d..2bdec8654a4e9 100644 --- a/planner/core/preprocess.go +++ b/planner/core/preprocess.go @@ -209,18 +209,57 @@ func EraseLastSemicolon(stmt ast.StmtNode) { } } -func (p *preprocessor) checkBindGrammar(originNode, hintedNode ast.StmtNode) { - var originSQL, hintedSQL string - switch node := originNode.(type) { +const ( + // TypeInvalid for unexpected types. + TypeInvalid byte = iota + // TypeSelect for SelectStmt. + TypeSelect + // TypeSetOpr for SetOprStmt. + TypeSetOpr + // TypeDelete for DeleteStmt. + TypeDelete + // TypeUpdate for UpdateStmt. + TypeUpdate + // TypeInsert for InsertStmt. + TypeInsert +) + +func bindableStmtType(node ast.StmtNode) byte { + switch node.(type) { case *ast.SelectStmt: - originSQL = parser.Normalize(node.Text()) - hintedSQL = parser.Normalize(hintedNode.(*ast.SelectStmt).Text()) + return TypeSelect case *ast.SetOprStmt: - originSQL = parser.Normalize(node.Text()) - hintedSQL = parser.Normalize(hintedNode.(*ast.SetOprStmt).Text()) - default: + return TypeSetOpr + case *ast.DeleteStmt: + return TypeDelete + case *ast.UpdateStmt: + return TypeUpdate + case *ast.InsertStmt: + return TypeInsert + } + return TypeInvalid +} + +func (p *preprocessor) checkBindGrammar(originNode, hintedNode ast.StmtNode) { + origTp := bindableStmtType(originNode) + hintedTp := bindableStmtType(hintedNode) + if origTp == TypeInvalid || hintedTp == TypeInvalid { p.err = errors.Errorf("create binding doesn't support this type of query") + return + } + if origTp != hintedTp { + p.err = errors.Errorf("hinted sql and original sql have different query types") + return + } + if origTp == TypeInsert { + origInsert, hintedInsert := originNode.(*ast.InsertStmt), hintedNode.(*ast.InsertStmt) + if origInsert.Select == nil || hintedInsert.Select == nil { + p.err = errors.Errorf("create binding only supports INSERT / REPLACE INTO SELECT") + return + } } + originSQL := parser.Normalize(originNode.Text()) + hintedSQL := parser.Normalize(hintedNode.Text()) if originSQL != hintedSQL { p.err = errors.Errorf("hinted sql and origin sql don't match when hinted sql erase the hint info, after erase hint info, originSQL:%s, hintedSQL:%s", originSQL, hintedSQL) } diff --git a/planner/core/preprocess_test.go b/planner/core/preprocess_test.go index 4f6d90422a391..c453fc5d012bb 100644 --- a/planner/core/preprocess_test.go +++ b/planner/core/preprocess_test.go @@ -58,7 +58,7 @@ func (s *testValidatorSuite) SetUpTest(c *C) { func (s *testValidatorSuite) runSQL(c *C, sql string, inPrepare bool, terr error) { stmts, err1 := session.Parse(s.ctx, sql) - c.Assert(err1, IsNil) + c.Assert(err1, IsNil, Commentf("sql: %s", sql)) c.Assert(stmts, HasLen, 1) stmt := stmts[0] var opts []core.PreprocessOpt diff --git a/planner/core/testdata/plan_suite_out.json b/planner/core/testdata/plan_suite_out.json index 074fcc6ba52ee..5a60d84223e14 100644 --- a/planner/core/testdata/plan_suite_out.json +++ b/planner/core/testdata/plan_suite_out.json @@ -712,7 +712,7 @@ { "SQL": "insert into t select * from t where b < 1 order by d limit 1", "Best": "TableReader(Table(t)->Sel([lt(test.t.b, 1)])->TopN([test.t.d],0,1))->TopN([test.t.d],0,1)->Insert", - "Hints": "" + "Hints": "use_index(@`sel_1` `test`.`t` )" }, { "SQL": "insert into t (a, b, c, e, f, g) values(0,0,0,0,0,0)", diff --git a/planner/optimize.go b/planner/optimize.go index 312c319c6a1f1..c435033817154 100644 --- a/planner/optimize.go +++ b/planner/optimize.go @@ -193,10 +193,12 @@ func Optimize(ctx context.Context, sctx sessionctx.Context, node ast.Node, is in bestPlanAmongHints = plan } } - // 1. If there is already a evolution task, we do not need to handle it again. - // 2. If the origin binding contain `read_from_storage` hint, we should ignore the evolve task. - // 3. If the best plan contain TiFlash hint, we should ignore the evolve task. - if sctx.GetSessionVars().EvolvePlanBaselines && binding == nil && + // 1. If it is a select query. + // 2. If there is already a evolution task, we do not need to handle it again. + // 3. If the origin binding contain `read_from_storage` hint, we should ignore the evolve task. + // 4. If the best plan contain TiFlash hint, we should ignore the evolve task. + if _, ok := stmtNode.(*ast.SelectStmt); ok && + sctx.GetSessionVars().EvolvePlanBaselines && binding == nil && !originHints.ContainTableHint(plannercore.HintReadFromStorage) && !bindRecord.Bindings[0].Hint.ContainTableHint(plannercore.HintReadFromStorage) { handleEvolveTasks(ctx, sctx, bindRecord, stmtNode, bestPlanHintStr) @@ -271,10 +273,24 @@ func extractSelectAndNormalizeDigest(stmtNode ast.StmtNode) (ast.StmtNode, strin switch x := stmtNode.(type) { case *ast.ExplainStmt: switch x.Stmt.(type) { - case *ast.SelectStmt: + case *ast.SelectStmt, *ast.DeleteStmt, *ast.UpdateStmt, *ast.InsertStmt: plannercore.EraseLastSemicolon(x) normalizeExplainSQL := parser.Normalize(x.Text()) - idx := strings.Index(normalizeExplainSQL, "select") + idx := int(0) + switch n := x.Stmt.(type) { + case *ast.SelectStmt: + idx = strings.Index(normalizeExplainSQL, "select") + case *ast.DeleteStmt: + idx = strings.Index(normalizeExplainSQL, "delete") + case *ast.UpdateStmt: + idx = strings.Index(normalizeExplainSQL, "update") + case *ast.InsertStmt: + if n.IsReplace { + idx = strings.Index(normalizeExplainSQL, "replace") + } else { + idx = strings.Index(normalizeExplainSQL, "insert") + } + } normalizeSQL := normalizeExplainSQL[idx:] hash := parser.DigestNormalized(normalizeSQL) return x.Stmt, normalizeSQL, hash @@ -290,7 +306,7 @@ func extractSelectAndNormalizeDigest(stmtNode ast.StmtNode) (ast.StmtNode, strin hash := parser.DigestNormalized(normalizeSQL) return x.Stmt, normalizeSQL, hash } - case *ast.SelectStmt, *ast.SetOprStmt: + case *ast.SelectStmt, *ast.SetOprStmt, *ast.DeleteStmt, *ast.UpdateStmt, *ast.InsertStmt: plannercore.EraseLastSemicolon(x) normalizedSQL, hash := parser.NormalizeDigest(x.Text()) return x, normalizedSQL, hash diff --git a/session/session_test.go b/session/session_test.go index 827bc7d45230c..0d547b39f018e 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -1780,12 +1780,12 @@ func (s *testSessionSuite3) TestUnique(c *C) { c.Assert(err, NotNil) // Check error type and error message c.Assert(terror.ErrorEqual(err, kv.ErrKeyExists), IsTrue, Commentf("err %v", err)) - c.Assert(err.Error(), Equals, "previous statement: insert into test(id, val) values(1, 1);: [kv:1062]Duplicate entry '1' for key 'PRIMARY'") + c.Assert(err.Error(), Equals, "previous statement: insert into test(id, val) values(1, 1): [kv:1062]Duplicate entry '1' for key 'PRIMARY'") _, err = tk1.Exec("commit") c.Assert(err, NotNil) c.Assert(terror.ErrorEqual(err, kv.ErrKeyExists), IsTrue, Commentf("err %v", err)) - c.Assert(err.Error(), Equals, "previous statement: insert into test(id, val) values(2, 2);: [kv:1062]Duplicate entry '2' for key 'val'") + c.Assert(err.Error(), Equals, "previous statement: insert into test(id, val) values(2, 2): [kv:1062]Duplicate entry '2' for key 'val'") // Test for https://github.com/pingcap/tidb/issues/463 tk.MustExec("drop table test;") diff --git a/util/hint/hint_processor.go b/util/hint/hint_processor.go index 86804acee6ab1..b0a1854dbd0a0 100644 --- a/util/hint/hint_processor.go +++ b/util/hint/hint_processor.go @@ -62,6 +62,18 @@ func (hs *HintsSet) ContainTableHint(hint string) bool { return false } +// setTableHints4StmtNode sets table hints for select/update/delete. +func setTableHints4StmtNode(node ast.Node, hints []*ast.TableOptimizerHint) { + switch x := node.(type) { + case *ast.SelectStmt: + x.TableHints = hints + case *ast.UpdateStmt: + x.TableHints = hints + case *ast.DeleteStmt: + x.TableHints = hints + } +} + // ExtractTableHintsFromStmtNode extracts table hints from this node. func ExtractTableHintsFromStmtNode(node ast.Node, sctx sessionctx.Context) []*ast.TableOptimizerHint { switch x := node.(type) { @@ -177,25 +189,32 @@ func (hs *HintsSet) Restore() (string, error) { type hintProcessor struct { *HintsSet // bindHint2Ast indicates the behavior of the processor, `true` for bind hint to ast, `false` for extract hint from ast. - bindHint2Ast bool - tableCounter int - indexCounter int + bindHint2Ast bool + tableCounter int + indexCounter int + selectCounter int } func (hp *hintProcessor) Enter(in ast.Node) (ast.Node, bool) { switch v := in.(type) { - case *ast.SelectStmt: + case *ast.SelectStmt, *ast.UpdateStmt, *ast.DeleteStmt: if hp.bindHint2Ast { if hp.tableCounter < len(hp.tableHints) { - v.TableHints = hp.tableHints[hp.tableCounter] + setTableHints4StmtNode(in, hp.tableHints[hp.tableCounter]) } else { - v.TableHints = nil + setTableHints4StmtNode(in, nil) } hp.tableCounter++ } else { - hp.tableHints = append(hp.tableHints, v.TableHints) + hp.tableHints = append(hp.tableHints, ExtractTableHintsFromStmtNode(in, nil)) + } + if _, ok := in.(*ast.SelectStmt); ok { + hp.selectCounter++ } case *ast.TableName: + if hp.selectCounter == 0 { + return in, false + } if hp.bindHint2Ast { if hp.indexCounter < len(hp.indexHints) { v.IndexHints = hp.indexHints[hp.indexCounter] @@ -211,6 +230,9 @@ func (hp *hintProcessor) Enter(in ast.Node) (ast.Node, bool) { } func (hp *hintProcessor) Leave(in ast.Node) (ast.Node, bool) { + if _, ok := in.(*ast.SelectStmt); ok { + hp.selectCounter-- + } return in, true } @@ -240,18 +262,19 @@ func ParseHintsSet(p *parser.Parser, sql, charset, collation, db string) (*Hints hs := CollectHint(stmtNodes[0]) processor := &BlockHintProcessor{} stmtNodes[0].Accept(processor) + hintNodeType := nodeType4Stmt(stmtNodes[0]) for i, tblHints := range hs.tableHints { newHints := make([]*ast.TableOptimizerHint, 0, len(tblHints)) for _, tblHint := range tblHints { if tblHint.HintName.L == hintQBName { continue } - offset := processor.GetHintOffset(tblHint.QBName, TypeSelect, i+1) - if offset < 0 || !processor.checkTableQBName(tblHint.Tables, TypeSelect) { + offset := processor.GetHintOffset(tblHint.QBName, hintNodeType, i+1) + if offset < 0 || !processor.checkTableQBName(tblHint.Tables, hintNodeType) { hintStr := RestoreTableOptimizerHint(tblHint) return nil, nil, errors.New(fmt.Sprintf("Unknown query block name in hint %s", hintStr)) } - tblHint.QBName = GenerateQBName(TypeSelect, offset) + tblHint.QBName = GenerateQBName(hintNodeType, offset) for i, tbl := range tblHint.Tables { if tbl.DBName.String() == "" { tblHint.Tables[i].DBName = model.NewCIStr(db) @@ -360,8 +383,24 @@ const ( TypeDelete // TypeSelect for SELECT. TypeSelect + // TypeInvalid for unexpected statements. + TypeInvalid ) +// nodeType4Stmt returns the NodeType for a statement. The type is used for SQL bind. +func nodeType4Stmt(node ast.StmtNode) NodeType { + switch node.(type) { + // This type is used by SQL bind, we only handle SQL bind for INSERT INTO SELECT, so we treat InsertStmt as TypeSelect. + case *ast.SelectStmt, *ast.InsertStmt: + return TypeSelect + case *ast.UpdateStmt: + return TypeUpdate + case *ast.DeleteStmt: + return TypeDelete + } + return TypeInvalid +} + // getBlockName finds the offset of query block name. It use 0 as offset for top level update or delete, // -1 for invalid block name. func (p *BlockHintProcessor) getBlockOffset(blockName model.CIStr, nodeType NodeType) int { @@ -428,9 +467,9 @@ func (p *BlockHintProcessor) GetCurrentStmtHints(hints []*ast.TableOptimizerHint // GenerateQBName builds QBName from offset. func GenerateQBName(nodeType NodeType, blockOffset int) model.CIStr { - if nodeType == TypeDelete && blockOffset == 0 { + if nodeType == TypeDelete && (blockOffset == 0 || blockOffset == 1) { return model.NewCIStr(defaultDeleteBlockName) - } else if nodeType == TypeUpdate && blockOffset == 0 { + } else if nodeType == TypeUpdate && (blockOffset == 0 || blockOffset == 1) { return model.NewCIStr(defaultUpdateBlockName) } return model.NewCIStr(fmt.Sprintf("%s%d", defaultSelectBlockPrefix, blockOffset)) diff --git a/util/stmtsummary/statement_summary.go b/util/stmtsummary/statement_summary.go index b7f600c1fd99e..1e73359f6048e 100644 --- a/util/stmtsummary/statement_summary.go +++ b/util/stmtsummary/statement_summary.go @@ -348,8 +348,8 @@ func (ssMap *stmtSummaryByDigestMap) ToHistoryDatum(user *auth.UserIdentity, isS return rows } -// GetMoreThanOnceSelect gets users' select SQLs that occurred more than once. -func (ssMap *stmtSummaryByDigestMap) GetMoreThanOnceSelect() ([]string, []string) { +// GetMoreThanOnceBindableStmt gets users' select/update/delete SQLs that occurred more than once. +func (ssMap *stmtSummaryByDigestMap) GetMoreThanOnceBindableStmt() ([]string, []string) { ssMap.Lock() values := ssMap.summaryMap.Values() ssMap.Unlock() @@ -361,7 +361,7 @@ func (ssMap *stmtSummaryByDigestMap) GetMoreThanOnceSelect() ([]string, []string func() { ssbd.Lock() defer ssbd.Unlock() - if ssbd.initialized && ssbd.stmtType == "Select" { + if ssbd.initialized && (ssbd.stmtType == "Select" || ssbd.stmtType == "Delete" || ssbd.stmtType == "Update" || ssbd.stmtType == "Insert" || ssbd.stmtType == "Replace") { if ssbd.history.Len() > 0 { ssElement := ssbd.history.Back().Value.(*stmtSummaryByDigestElement) ssElement.Lock() diff --git a/util/stmtsummary/statement_summary_test.go b/util/stmtsummary/statement_summary_test.go index 726683ed11dd2..c20b77bcbd072 100644 --- a/util/stmtsummary/statement_summary_test.go +++ b/util/stmtsummary/statement_summary_test.go @@ -912,8 +912,8 @@ func (s *testStmtSummarySuite) TestEnableSummaryParallel(c *C) { c.Assert(s.ssMap.Enabled(), IsTrue) } -// Test GetMoreThanOnceSelect. -func (s *testStmtSummarySuite) TestGetMoreThanOnceSelect(c *C) { +// Test GetMoreThanOnceBindableStmt. +func (s *testStmtSummarySuite) TestGetMoreThanOnceBindableStmt(c *C) { s.ssMap.Clear() stmtExecInfo1 := generateAnyExecInfo() @@ -921,7 +921,7 @@ func (s *testStmtSummarySuite) TestGetMoreThanOnceSelect(c *C) { stmtExecInfo1.NormalizedSQL = "insert ?" stmtExecInfo1.StmtCtx.StmtType = "Insert" s.ssMap.AddStatement(stmtExecInfo1) - schemas, sqls := s.ssMap.GetMoreThanOnceSelect() + schemas, sqls := s.ssMap.GetMoreThanOnceBindableStmt() c.Assert(len(schemas), Equals, 0) c.Assert(len(sqls), Equals, 0) @@ -929,12 +929,12 @@ func (s *testStmtSummarySuite) TestGetMoreThanOnceSelect(c *C) { stmtExecInfo1.Digest = "digest1" stmtExecInfo1.StmtCtx.StmtType = "Select" s.ssMap.AddStatement(stmtExecInfo1) - schemas, sqls = s.ssMap.GetMoreThanOnceSelect() + schemas, sqls = s.ssMap.GetMoreThanOnceBindableStmt() c.Assert(len(schemas), Equals, 0) c.Assert(len(sqls), Equals, 0) s.ssMap.AddStatement(stmtExecInfo1) - schemas, sqls = s.ssMap.GetMoreThanOnceSelect() + schemas, sqls = s.ssMap.GetMoreThanOnceBindableStmt() c.Assert(len(schemas), Equals, 1) c.Assert(len(sqls), Equals, 1) } From f1a0a28af46e0aa0bfb639881d6a3ba45effa965 Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Tue, 17 Nov 2020 15:36:57 +0800 Subject: [PATCH 0236/1021] executor, planner: do not coalesce column for update/delete natural_using_join (#21085) --- executor/join_test.go | 5 +++++ planner/core/logical_plan_builder.go | 22 ++++++++++++++++++++-- 2 files changed, 25 insertions(+), 2 deletions(-) diff --git a/executor/join_test.go b/executor/join_test.go index 402b6458f9034..c7b023b58d4b2 100644 --- a/executor/join_test.go +++ b/executor/join_test.go @@ -628,6 +628,11 @@ func (s *testSuiteJoin1) TestUsing(c *C) { tk.MustExec("insert into t1 (a) values(1)") tk.MustQuery("select t1.*, t2.* from t1 join t1 t2 using(a)").Check(testkit.Rows("1 1")) tk.MustQuery("select * from t1 join t1 t2 using(a)").Check(testkit.Rows("1")) + + // For issue18992 + tk.MustExec("drop table t") + tk.MustExec("CREATE TABLE t ( a varchar(55) NOT NULL, b varchar(55) NOT NULL, c int(11) DEFAULT NULL, d int(11) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;") + tk.MustExec("update t t1 join t t2 using(a,b) set t1.c=t2.d;") } func (s *testSuiteJoin1) TestNaturalJoin(c *C) { diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index c9b51ac5bb67f..c9c8ebf1100bc 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -724,7 +724,16 @@ func (b *PlanBuilder) buildUsingClause(p *LogicalJoin, leftPlan, rightPlan Logic for _, col := range join.Using { filter[col.Name.L] = true } - return b.coalesceCommonColumns(p, leftPlan, rightPlan, join.Tp, filter) + err := b.coalesceCommonColumns(p, leftPlan, rightPlan, join.Tp, filter) + if err != nil { + return err + } + // We do not need to coalesce columns for update and delete. + if b.inUpdateStmt || b.inDeleteStmt { + p.setSchemaAndNames(expression.MergeSchema(p.Children()[0].Schema(), p.Children()[1].Schema()), + append(p.Children()[0].OutputNames(), p.Children()[1].OutputNames()...)) + } + return nil } // buildNaturalJoin builds natural join output schema. It finds out all the common columns @@ -734,7 +743,16 @@ func (b *PlanBuilder) buildUsingClause(p *LogicalJoin, leftPlan, rightPlan Logic // Every column in the first (left) table that is not a common column // Every column in the second (right) table that is not a common column func (b *PlanBuilder) buildNaturalJoin(p *LogicalJoin, leftPlan, rightPlan LogicalPlan, join *ast.Join) error { - return b.coalesceCommonColumns(p, leftPlan, rightPlan, join.Tp, nil) + err := b.coalesceCommonColumns(p, leftPlan, rightPlan, join.Tp, nil) + if err != nil { + return err + } + // We do not need to coalesce columns for update and delete. + if b.inUpdateStmt || b.inDeleteStmt { + p.setSchemaAndNames(expression.MergeSchema(p.Children()[0].Schema(), p.Children()[1].Schema()), + append(p.Children()[0].OutputNames(), p.Children()[1].OutputNames()...)) + } + return nil } // coalesceCommonColumns is used by buildUsingClause and buildNaturalJoin. The filter is used by buildUsingClause. From c23394e95488797b0a0175b531dc66ddf1a21962 Mon Sep 17 00:00:00 2001 From: xufei Date: Tue, 17 Nov 2020 16:05:58 +0800 Subject: [PATCH 0237/1021] test: migrate tiflash mock test from mocktikv to unistore (#21038) --- executor/tiflash_test.go | 9 +-- go.mod | 2 +- go.sum | 4 +- store/mockstore/cluster/cluster.go | 2 +- store/mockstore/mocktikv/cluster.go | 4 +- .../unistore/cophandler/closure_exec.go | 66 ++++++++++++++-- .../unistore/cophandler/cop_handler.go | 6 +- store/mockstore/unistore/rpc.go | 76 ++++++++++++++++++- store/tikv/batch_coprocessor_test.go | 19 +++-- 9 files changed, 159 insertions(+), 29 deletions(-) diff --git a/executor/tiflash_test.go b/executor/tiflash_test.go index fdc77266c3b8b..7a2184c295672 100644 --- a/executor/tiflash_test.go +++ b/executor/tiflash_test.go @@ -24,7 +24,7 @@ import ( "github.com/pingcap/tidb/session" "github.com/pingcap/tidb/store/mockstore" "github.com/pingcap/tidb/store/mockstore/cluster" - "github.com/pingcap/tidb/store/mockstore/mocktikv" + "github.com/pingcap/tidb/store/mockstore/unistore" "github.com/pingcap/tidb/util/mock" "github.com/pingcap/tidb/util/testkit" ) @@ -41,20 +41,19 @@ func (s *tiflashTestSuite) SetUpSuite(c *C) { var err error s.store, err = mockstore.NewMockStore( mockstore.WithClusterInspector(func(c cluster.Cluster) { - mockCluster := c.(*mocktikv.Cluster) + mockCluster := c.(*unistore.Cluster) _, _, region1 := mockstore.BootstrapWithSingleStore(c) tiflashIdx := 0 for tiflashIdx < 2 { store2 := c.AllocID() peer2 := c.AllocID() addr2 := fmt.Sprintf("tiflash%d", tiflashIdx) - mockCluster.AddStore(store2, addr2) - mockCluster.UpdateStoreAddr(store2, addr2, &metapb.StoreLabel{Key: "engine", Value: "tiflash"}) + mockCluster.AddStore(store2, addr2, &metapb.StoreLabel{Key: "engine", Value: "tiflash"}) mockCluster.AddPeer(region1, store2, peer2) tiflashIdx++ } }), - mockstore.WithStoreType(mockstore.MockTiKV), + mockstore.WithStoreType(mockstore.EmbedUnistore), ) c.Assert(err, IsNil) diff --git a/go.mod b/go.mod index 322918607a90a..0bc5aa87e1d8e 100644 --- a/go.mod +++ b/go.mod @@ -39,7 +39,7 @@ require ( github.com/montanaflynn/stats v0.5.0 // indirect github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7 github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef - github.com/ngaut/unistore v0.0.0-20201026053041-4333e8d852f1 + github.com/ngaut/unistore v0.0.0-20201113064408-907e3fcf8e7d github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect github.com/onsi/ginkgo v1.9.0 // indirect github.com/onsi/gomega v1.6.0 // indirect diff --git a/go.sum b/go.sum index 6309d344b7d06..10e8e7b78372d 100644 --- a/go.sum +++ b/go.sum @@ -399,8 +399,8 @@ github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7 h1:7KAv7KMGTTqSmYZtNdc github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7/go.mod h1:iWMfgwqYW+e8n5lC/jjNEhwcjbRDpl5NT7n2h+4UNcI= github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef h1:K0Fn+DoFqNqktdZtdV3bPQ/0cuYh2H4rkg0tytX/07k= github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef/go.mod h1:7WjlapSfwQyo6LNmIvEWzsW1hbBQfpUO4JWnuQRmva8= -github.com/ngaut/unistore v0.0.0-20201026053041-4333e8d852f1 h1:WHACEcI4Om4RVVUCssGTUwvJeF2CTuHHLmxr2h3joWQ= -github.com/ngaut/unistore v0.0.0-20201026053041-4333e8d852f1/go.mod h1:ZR3NH+HzqfiYetwdoAivApnIy8iefPZHTMLfrFNm8g4= +github.com/ngaut/unistore v0.0.0-20201113064408-907e3fcf8e7d h1:hh0yCo0UtCuakNdkiRPaLHqzfgxacwUk6/pb9iJyJKU= +github.com/ngaut/unistore v0.0.0-20201113064408-907e3fcf8e7d/go.mod h1:ZR3NH+HzqfiYetwdoAivApnIy8iefPZHTMLfrFNm8g4= github.com/nicksnyder/go-i18n v1.10.0/go.mod h1:HrK7VCrbOvQoUAQ7Vpy7i87N7JZZZ7R2xBGjv0j365Q= github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs= github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno= diff --git a/store/mockstore/cluster/cluster.go b/store/mockstore/cluster/cluster.go index 569bb3717095a..d18fe22de959b 100644 --- a/store/mockstore/cluster/cluster.go +++ b/store/mockstore/cluster/cluster.go @@ -43,7 +43,7 @@ type Cluster interface { // SplitKeys evenly splits the start, end key into "count" regions. SplitKeys(start, end kv.Key, count int) // AddStore adds a new Store to the cluster. - AddStore(storeID uint64, addr string) + AddStore(storeID uint64, addr string, labels ...*metapb.StoreLabel) // RemoveStore removes a Store from the cluster. RemoveStore(storeID uint64) } diff --git a/store/mockstore/mocktikv/cluster.go b/store/mockstore/mocktikv/cluster.go index d7131647a69b6..9c14e52aeb35a 100644 --- a/store/mockstore/mocktikv/cluster.go +++ b/store/mockstore/mocktikv/cluster.go @@ -198,11 +198,11 @@ func (c *Cluster) GetAndCheckStoreByAddr(addr string) (*metapb.Store, error) { } // AddStore add a new Store to the cluster. -func (c *Cluster) AddStore(storeID uint64, addr string) { +func (c *Cluster) AddStore(storeID uint64, addr string, labels ...*metapb.StoreLabel) { c.Lock() defer c.Unlock() - c.stores[storeID] = newStore(storeID, addr) + c.stores[storeID] = newStore(storeID, addr, labels...) } // RemoveStore removes a Store from the cluster. diff --git a/store/mockstore/unistore/cophandler/closure_exec.go b/store/mockstore/unistore/cophandler/closure_exec.go index 0b0ee64d052f6..f3f8a999ea0ad 100644 --- a/store/mockstore/unistore/cophandler/closure_exec.go +++ b/store/mockstore/unistore/cophandler/closure_exec.go @@ -62,6 +62,33 @@ func mapPkStatusToHandleStatus(pkStatus int) tablecodec.HandleStatus { return tablecodec.HandleDefault } +func getExecutorList(dagReq *tipb.DAGRequest) ([]*tipb.Executor, error) { + if len(dagReq.Executors) > 0 { + return dagReq.Executors, nil + } + // convert TiFlash executors tree to executor list + executors := make([]*tipb.Executor, 0, 3) + currentExec := dagReq.RootExecutor + for currentExec.Tp != tipb.ExecType_TypeTableScan { + executors = append(executors, currentExec) + switch currentExec.Tp { + case tipb.ExecType_TypeTopN: + currentExec = currentExec.TopN.Child + case tipb.ExecType_TypeStreamAgg, tipb.ExecType_TypeAggregation: + currentExec = currentExec.Aggregation.Child + case tipb.ExecType_TypeLimit: + currentExec = currentExec.Limit.Child + default: + return nil, errors.New("unsupported executor type " + currentExec.Tp.String()) + } + } + executors = append(executors, currentExec) + for i, j := 0, len(executors)-1; i < j; i, j = i+1, j-1 { + executors[i], executors[j] = executors[j], executors[i] + } + return executors, nil +} + // buildClosureExecutor build a closureExecutor for the DAGRequest. // Currently the composition of executors are: // tableScan|indexScan [selection] [topN | limit | agg] @@ -70,7 +97,10 @@ func buildClosureExecutor(dagCtx *dagContext, dagReq *tipb.DAGRequest) (*closure if err != nil { return nil, errors.Trace(err) } - executors := dagReq.Executors + executors, err1 := getExecutorList(dagReq) + if err1 != nil { + return nil, err1 + } scanExec := executors[0] if scanExec.Tp == tipb.ExecType_TypeTableScan { ce.processor = &tableScanProcessor{closureExecutor: ce} @@ -121,6 +151,28 @@ func convertToExprs(sc *stmtctx.StatementContext, fieldTps []*types.FieldType, p return exprs, nil } +func getScanExec(dagReq *tipb.DAGRequest) (*tipb.Executor, error) { + if len(dagReq.Executors) > 0 { + return dagReq.Executors[0], nil + } + currentExec := dagReq.RootExecutor + for currentExec.Tp != tipb.ExecType_TypeTableScan { + switch currentExec.Tp { + case tipb.ExecType_TypeAggregation, tipb.ExecType_TypeStreamAgg: + currentExec = currentExec.Aggregation.Child + case tipb.ExecType_TypeLimit: + currentExec = currentExec.Limit.Child + case tipb.ExecType_TypeSelection: + currentExec = currentExec.Selection.Child + case tipb.ExecType_TypeTopN: + currentExec = currentExec.TopN.Child + default: + return nil, errors.New("Unsupported DAG request") + } + } + return currentExec, nil +} + func newClosureExecutor(dagCtx *dagContext, dagReq *tipb.DAGRequest) (*closureExecutor, error) { e := &closureExecutor{ dagContext: dagCtx, @@ -131,20 +183,22 @@ func newClosureExecutor(dagCtx *dagContext, dagReq *tipb.DAGRequest) (*closureEx seCtx := mockpkg.NewContext() seCtx.GetSessionVars().StmtCtx = e.sc e.seCtx = seCtx - executors := dagReq.Executors - scanExec := executors[0] + scanExec, err := getScanExec(dagReq) + if err != nil { + return nil, err + } switch scanExec.Tp { case tipb.ExecType_TypeTableScan: - tblScan := executors[0].TblScan + tblScan := scanExec.TblScan e.unique = true e.scanCtx.desc = tblScan.Desc case tipb.ExecType_TypeIndexScan: - idxScan := executors[0].IdxScan + idxScan := scanExec.IdxScan e.unique = idxScan.GetUnique() e.scanCtx.desc = idxScan.Desc e.initIdxScanCtx(idxScan) default: - panic(fmt.Sprintf("unknown first executor type %s", executors[0].Tp)) + panic(fmt.Sprintf("unknown first executor type %s", scanExec.Tp)) } ranges, err := extractKVRanges(dagCtx.dbReader.StartKey, dagCtx.dbReader.EndKey, dagCtx.keyRanges, e.scanCtx.desc) if err != nil { diff --git a/store/mockstore/unistore/cophandler/cop_handler.go b/store/mockstore/unistore/cophandler/cop_handler.go index 00067b13d617d..d34ba9f35ea1a 100644 --- a/store/mockstore/unistore/cophandler/cop_handler.go +++ b/store/mockstore/unistore/cophandler/cop_handler.go @@ -124,7 +124,11 @@ func buildDAG(reader *dbreader.DBReader, lockStore *lockstore.MemStore, req *cop startTS: req.StartTs, resolvedLocks: req.Context.ResolvedLocks, } - scanExec := dagReq.Executors[0] + var scanExec *tipb.Executor = nil + scanExec, err = getScanExec(dagReq) + if err != nil { + return nil, nil, err + } if scanExec.Tp == tipb.ExecType_TypeTableScan { ctx.setColumnInfo(scanExec.TblScan.Columns) ctx.primaryCols = scanExec.TblScan.PrimaryColumnIds diff --git a/store/mockstore/unistore/rpc.go b/store/mockstore/unistore/rpc.go index 8ef39ed5b6c5f..bf8c65f183dc6 100644 --- a/store/mockstore/unistore/rpc.go +++ b/store/mockstore/unistore/rpc.go @@ -177,6 +177,19 @@ func (c *RPCClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.R resp.Resp, err = c.usSvr.Coprocessor(ctx, req.Cop()) case tikvrpc.CmdCopStream: resp.Resp, err = c.handleCopStream(ctx, req.Cop()) + case tikvrpc.CmdBatchCop: + failpoint.Inject("BatchCopCancelled", func(value failpoint.Value) { + if value.(bool) { + failpoint.Return(nil, context.Canceled) + } + }) + + failpoint.Inject("BatchCopRpcErr"+addr, func(value failpoint.Value) { + if value.(string) == addr { + failpoint.Return(nil, errors.New("rpc error")) + } + }) + resp.Resp, err = c.handleBatchCop(ctx, req.BatchCop(), timeout) case tikvrpc.CmdMvccGetByKey: resp.Resp, err = c.usSvr.MvccGetByKey(ctx, req.MvccGetByKey()) case tikvrpc.CmdMvccGetByStartTs: @@ -192,7 +205,10 @@ func (c *RPCClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.R if err != nil { return nil, err } - regErr, err := resp.GetRegionError() + var regErr *errorpb.Error = nil + if req.Type != tikvrpc.CmdBatchCop { + regErr, err = resp.GetRegionError() + } if err != nil { return nil, err } @@ -217,6 +233,25 @@ func (c *RPCClient) handleCopStream(ctx context.Context, req *coprocessor.Reques }, nil } +func (c *RPCClient) handleBatchCop(ctx context.Context, r *coprocessor.BatchRequest, timeout time.Duration) (*tikvrpc.BatchCopStreamResponse, error) { + mockBatchCopServer := &mockBatchCoprocessorStreamServer{} + err := c.usSvr.BatchCoprocessor(r, mockBatchCopServer) + if err != nil { + return nil, err + } + var mockBatchCopClient = mockBatchCopClient{batchResponses: mockBatchCopServer.batchResponses, idx: 0} + batchResp := &tikvrpc.BatchCopStreamResponse{Tikv_BatchCoprocessorClient: &mockBatchCopClient} + _, cancel := context.WithCancel(ctx) + batchResp.Lease.Cancel = cancel + batchResp.Timeout = timeout + first, err := batchResp.Recv() + if err != nil { + return nil, errors.Trace(err) + } + batchResp.BatchResponse = first + return batchResp, nil +} + func (c *RPCClient) handleDebugGetRegionProperties(ctx context.Context, req *debugpb.GetRegionPropertiesRequest) (*debugpb.GetRegionPropertiesResponse, error) { region := c.cluster.GetRegion(req.RegionId) _, start, err := codec.DecodeBytes(region.StartKey, nil) @@ -324,3 +359,42 @@ type mockCopStreamClient struct { func (mock *mockCopStreamClient) Recv() (*coprocessor.Response, error) { return nil, io.EOF } + +type mockBatchCopClient struct { + mockClientStream + batchResponses []*coprocessor.BatchResponse + idx int +} + +func (mock *mockBatchCopClient) Recv() (*coprocessor.BatchResponse, error) { + if mock.idx < len(mock.batchResponses) { + ret := mock.batchResponses[mock.idx] + mock.idx++ + var err error = nil + if len(ret.OtherError) > 0 { + err = errors.New(ret.OtherError) + ret = nil + } + return ret, err + } + return nil, io.EOF +} + +type mockServerStream struct{} + +func (mockServerStream) SetHeader(metadata.MD) error { return nil } +func (mockServerStream) SendHeader(metadata.MD) error { return nil } +func (mockServerStream) SetTrailer(metadata.MD) {} +func (mockServerStream) Context() context.Context { return nil } +func (mockServerStream) SendMsg(interface{}) error { return nil } +func (mockServerStream) RecvMsg(interface{}) error { return nil } + +type mockBatchCoprocessorStreamServer struct { + mockServerStream + batchResponses []*coprocessor.BatchResponse +} + +func (mockBatchCopServer *mockBatchCoprocessorStreamServer) Send(response *coprocessor.BatchResponse) error { + mockBatchCopServer.batchResponses = append(mockBatchCopServer.batchResponses, response) + return nil +} diff --git a/store/tikv/batch_coprocessor_test.go b/store/tikv/batch_coprocessor_test.go index 11fffd6c330df..2039cefb3311c 100644 --- a/store/tikv/batch_coprocessor_test.go +++ b/store/tikv/batch_coprocessor_test.go @@ -28,7 +28,7 @@ import ( "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/store/mockstore" "github.com/pingcap/tidb/store/mockstore/cluster" - "github.com/pingcap/tidb/store/mockstore/mocktikv" + "github.com/pingcap/tidb/store/mockstore/unistore" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/util/testkit" ) @@ -41,20 +41,19 @@ var _ = SerialSuites(&testBatchCopSuite{}) func newStoreWithBootstrap(tiflashNum int) (kv.Storage, *domain.Domain, error) { store, err := mockstore.NewMockStore( mockstore.WithClusterInspector(func(c cluster.Cluster) { - mockCluster := c.(*mocktikv.Cluster) + mockCluster := c.(*unistore.Cluster) _, _, region1 := mockstore.BootstrapWithSingleStore(c) tiflashIdx := 0 for tiflashIdx < tiflashNum { store2 := c.AllocID() peer2 := c.AllocID() addr2 := fmt.Sprintf("tiflash%d", tiflashIdx) - mockCluster.AddStore(store2, addr2) - mockCluster.UpdateStoreAddr(store2, addr2, &metapb.StoreLabel{Key: "engine", Value: "tiflash"}) + mockCluster.AddStore(store2, addr2, &metapb.StoreLabel{Key: "engine", Value: "tiflash"}) mockCluster.AddPeer(region1, store2, peer2) tiflashIdx++ } }), - mockstore.WithStoreType(mockstore.MockTiKV), + mockstore.WithStoreType(mockstore.EmbedUnistore), ) if err != nil { @@ -104,16 +103,16 @@ func (s *testBatchCopSuite) TestStoreErr(c *C) { tk.MustExec("insert into t values(1,0)") tk.MustExec("set @@session.tidb_isolation_read_engines=\"tiflash\"") - c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/BatchCopCancelled", "1*return(true)"), IsNil) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/unistore/BatchCopCancelled", "1*return(true)"), IsNil) err = tk.QueryToErr("select count(*) from t") c.Assert(errors.Cause(err), Equals, context.Canceled) - c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/BatchCopRpcErrtiflash0", "1*return(\"tiflash0\")"), IsNil) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/unistore/BatchCopRpcErrtiflash0", "1*return(\"tiflash0\")"), IsNil) tk.MustQuery("select count(*) from t").Check(testkit.Rows("1")) - c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/BatchCopRpcErrtiflash0", "return(\"tiflash0\")"), IsNil) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/unistore/BatchCopRpcErrtiflash0", "return(\"tiflash0\")"), IsNil) err = tk.QueryToErr("select count(*) from t") c.Assert(err, NotNil) } @@ -139,11 +138,11 @@ func (s *testBatchCopSuite) TestStoreSwitchPeer(c *C) { tk.MustExec("insert into t values(1,0)") tk.MustExec("set @@session.tidb_isolation_read_engines=\"tiflash\"") - c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/BatchCopRpcErrtiflash0", "return(\"tiflash0\")"), IsNil) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/unistore/BatchCopRpcErrtiflash0", "return(\"tiflash0\")"), IsNil) tk.MustQuery("select count(*) from t").Check(testkit.Rows("1")) - c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/BatchCopRpcErrtiflash1", "return(\"tiflash1\")"), IsNil) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/unistore/BatchCopRpcErrtiflash1", "return(\"tiflash1\")"), IsNil) err = tk.QueryToErr("select count(*) from t") c.Assert(err, NotNil) From de75e604ff2a9f9942c57d870105c5ceee84a55c Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Tue, 17 Nov 2020 17:03:41 +0800 Subject: [PATCH 0238/1021] *: differentiate types for user variables (#18973) Co-authored-by: lzmhhh123 --- executor/executor_test.go | 12 + executor/explainfor_test.go | 61 ++++ executor/prepared_test.go | 112 +++++- executor/set.go | 13 +- executor/show_test.go | 4 +- executor/testdata/prepare_suite_in.json | 58 +++ executor/testdata/prepare_suite_out.json | 208 +++++++++++ expression/bench_test.go | 14 + expression/builtin.go | 1 - expression/builtin_other.go | 336 +++++++++++++++--- expression/builtin_other_test.go | 40 ++- expression/builtin_other_vec.go | 230 +++++++++++- expression/builtin_other_vec_test.go | 3 + expression/distsql_builtin.go | 4 +- expression/integration_test.go | 3 - expression/scalar_function.go | 5 +- expression/util_test.go | 3 +- .../transformation_rules_suite_out.json | 10 +- planner/core/cache.go | 24 +- planner/core/common_plans.go | 87 +++-- planner/core/expression_rewriter.go | 22 +- planner/core/logical_plan_builder.go | 48 +++ planner/core/planbuilder.go | 7 +- sessionctx/variable/session.go | 4 + 24 files changed, 1176 insertions(+), 133 deletions(-) create mode 100644 executor/testdata/prepare_suite_in.json create mode 100644 executor/testdata/prepare_suite_out.json diff --git a/executor/executor_test.go b/executor/executor_test.go index 5338d9dfbdeca..1987bde05c43b 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -135,6 +135,7 @@ var _ = SerialSuites(&tiflashTestSuite{}) var _ = SerialSuites(&globalIndexSuite{&baseTestSuite{}}) var _ = SerialSuites(&testSerialSuite{&baseTestSuite{}}) var _ = SerialSuites(&testCoprCache{}) +var _ = SerialSuites(&testPrepareSuite{}) type testSuite struct{ *baseTestSuite } type testSuiteP1 struct{ *baseTestSuite } @@ -153,6 +154,7 @@ type testCoprCache struct { dom *domain.Domain cls cluster.Cluster } +type testPrepareSuite struct{ testData testutil.TestData } type baseTestSuite struct { cluster cluster.Cluster @@ -201,6 +203,16 @@ func (s *testSuiteWithData) TearDownSuite(c *C) { c.Assert(s.testData.GenerateOutputIfNeeded(), IsNil) } +func (s *testPrepareSuite) SetUpSuite(c *C) { + var err error + s.testData, err = testutil.LoadTestSuiteData("testdata", "prepare_suite") + c.Assert(err, IsNil) +} + +func (s *testPrepareSuite) TearDownSuite(c *C) { + c.Assert(s.testData.GenerateOutputIfNeeded(), IsNil) +} + func (s *baseTestSuite) TearDownSuite(c *C) { s.domain.Close() s.store.Close() diff --git a/executor/explainfor_test.go b/executor/explainfor_test.go index 2d420fc64013c..9e32abc37a79d 100644 --- a/executor/explainfor_test.go +++ b/executor/explainfor_test.go @@ -426,3 +426,64 @@ func (s *testSuite) TestExplainTiFlashSystemTables(c *C) { tk.MustQuery(fmt.Sprintf("desc select * from information_schema.TIFLASH_SEGMENTS where TIFLASH_INSTANCE = '%s' and TIDB_DATABASE = '%s' and TIDB_TABLE = '%s'", tiflashInstance, database, table)).Check(testkit.Rows( fmt.Sprintf("MemTableScan_5 10000.00 root table:TIFLASH_SEGMENTS tiflash_instances:[\"%s\"], tidb_databases:[\"%s\"], tidb_tables:[\"%s\"]", tiflashInstance, database, table))) } + +func (s *testPrepareSerialSuite) TestPointGetUserVarPlanCache(c *C) { + orgEnable := core.PreparedPlanCacheEnabled() + defer func() { + core.SetPreparedPlanCache(orgEnable) + }() + core.SetPreparedPlanCache(true) + + tk := testkit.NewTestKitWithInit(c, s.store) + tk.Se.Auth(&auth.UserIdentity{Username: "root", Hostname: "localhost", CurrentUser: true, AuthUsername: "root", AuthHostname: "%"}, nil, []byte("012345678901234567890")) + + tk.MustExec("use test") + tk.MustExec("set @@tidb_enable_collect_execution_info=0;") + tk.MustExec("drop table if exists t1") + tk.MustExec("CREATE TABLE t1 (a BIGINT, b VARCHAR(40), PRIMARY KEY (a, b))") + tk.MustExec("INSERT INTO t1 VALUES (1,'3'),(2,'4')") + tk.MustExec("drop table if exists t2") + tk.MustExec("CREATE TABLE t2 (a BIGINT, b VARCHAR(40), UNIQUE KEY idx_a (a))") + tk.MustExec("INSERT INTO t2 VALUES (1,'1'),(2,'2')") + tk.MustExec("prepare stmt from 'select * from t1, t2 where t1.a = t2.a and t2.a = ?'") + tk.MustExec("set @a=1") + tk.MustQuery("execute stmt using @a").Check(testkit.Rows( + "1 3 1 1", + )) + tkProcess := tk.Se.ShowProcess() + ps := []*util.ProcessInfo{tkProcess} + tk.Se.SetSessionManager(&mockSessionManager1{PS: ps}) + // t2 should use PointGet. + tk.MustQuery(fmt.Sprintf("explain for connection %d", tkProcess.ID)).Check(testkit.Rows( + "Projection_7 1.00 root test.t1.a, test.t1.b, test.t2.a, test.t2.b", + "└─IndexMergeJoin_19 1.00 root inner join, inner:TableReader_14, outer key:test.t2.a, inner key:test.t1.a", + " ├─Selection_41(Build) 0.80 root not(isnull(test.t2.a))", + " │ └─Point_Get_40 1.00 root table:t2, index:idx_a(a) ", + " └─TableReader_14(Probe) 0.00 root data:Selection_13", + " └─Selection_13 0.00 cop[tikv] eq(test.t1.a, 1)", + " └─TableRangeScan_12 1.00 cop[tikv] table:t1 range: decided by [test.t2.a], keep order:true, stats:pseudo", + )) + tk.MustExec("set @a=2") + tk.MustQuery("execute stmt using @a").Check(testkit.Rows( + "2 4 2 2", + )) + tkProcess = tk.Se.ShowProcess() + ps = []*util.ProcessInfo{tkProcess} + tk.Se.SetSessionManager(&mockSessionManager1{PS: ps}) + // t2 should use PointGet, range is changed to [2,2]. + tk.MustQuery(fmt.Sprintf("explain for connection %d", tkProcess.ID)).Check(testkit.Rows( + "Projection_7 1.00 root test.t1.a, test.t1.b, test.t2.a, test.t2.b", + "└─IndexMergeJoin_19 1.00 root inner join, inner:TableReader_14, outer key:test.t2.a, inner key:test.t1.a", + " ├─Selection_41(Build) 0.80 root not(isnull(test.t2.a))", + " │ └─Point_Get_40 1.00 root table:t2, index:idx_a(a) ", + " └─TableReader_14(Probe) 0.00 root data:Selection_13", + " └─Selection_13 0.00 cop[tikv] eq(test.t1.a, 2)", + " └─TableRangeScan_12 1.00 cop[tikv] table:t1 range: decided by [test.t2.a], keep order:true, stats:pseudo", + )) + tk.MustQuery("execute stmt using @a").Check(testkit.Rows( + "2 4 2 2", + )) + tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows( + "1", + )) +} diff --git a/executor/prepared_test.go b/executor/prepared_test.go index c43150deff391..1dd5beafde5bf 100644 --- a/executor/prepared_test.go +++ b/executor/prepared_test.go @@ -196,16 +196,16 @@ func (s *testSerialSuite) TestPlanCacheClusterIndex(c *C) { // For table scan tk.MustExec(`prepare stmt1 from "select * from t1 where t1.a = ? and t1.b > ?"`) - tk.MustExec("set @v1 = 1") - tk.MustExec("set @v2 = 0") + tk.MustExec("set @v1 = '1'") + tk.MustExec("set @v2 = '0'") tk.MustQuery("execute stmt1 using @v1,@v2").Check(testkit.Rows("1 1 111")) tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0")) - tk.MustExec("set @v1 = 2") - tk.MustExec("set @v2 = 1") + tk.MustExec("set @v1 = '2'") + tk.MustExec("set @v2 = '1'") tk.MustQuery("execute stmt1 using @v1,@v2").Check(testkit.Rows("2 2 222")) tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1")) - tk.MustExec("set @v1 = 3") - tk.MustExec("set @v2 = 2") + tk.MustExec("set @v1 = '3'") + tk.MustExec("set @v2 = '2'") tk.MustQuery("execute stmt1 using @v1,@v2").Check(testkit.Rows("3 3 333")) tkProcess := tk.Se.ShowProcess() ps := []*util.ProcessInfo{tkProcess} @@ -215,16 +215,16 @@ func (s *testSerialSuite) TestPlanCacheClusterIndex(c *C) { // For point get tk.MustExec(`prepare stmt2 from "select * from t1 where t1.a = ? and t1.b = ?"`) - tk.MustExec("set @v1 = 1") - tk.MustExec("set @v2 = 1") + tk.MustExec("set @v1 = '1'") + tk.MustExec("set @v2 = '1'") tk.MustQuery("execute stmt2 using @v1,@v2").Check(testkit.Rows("1 1 111")) tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0")) - tk.MustExec("set @v1 = 2") - tk.MustExec("set @v2 = 2") + tk.MustExec("set @v1 = '2'") + tk.MustExec("set @v2 = '2'") tk.MustQuery("execute stmt2 using @v1,@v2").Check(testkit.Rows("2 2 222")) tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1")) - tk.MustExec("set @v1 = 3") - tk.MustExec("set @v2 = 3") + tk.MustExec("set @v1 = '3'") + tk.MustExec("set @v2 = '3'") tk.MustQuery("execute stmt2 using @v1,@v2").Check(testkit.Rows("3 3 333")) tkProcess = tk.Se.ShowProcess() ps = []*util.ProcessInfo{tkProcess} @@ -297,3 +297,91 @@ func (s *testSerialSuite) TestPlanCacheClusterIndex(c *C) { tk.MustQuery(`execute stmt2 using @v1,@v2,@v3,@v4`).Check(testkit.Rows("2 2 222", "3 3 333")) tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1")) } + +func (s *testPrepareSuite) TestPlanCacheWithDifferentVariableTypes(c *C) { + store, dom, err := newStoreWithBootstrap() + c.Assert(err, IsNil) + tk := testkit.NewTestKit(c, store) + defer func() { + dom.Close() + store.Close() + }() + orgEnable := plannercore.PreparedPlanCacheEnabled() + defer func() { + plannercore.SetPreparedPlanCache(orgEnable) + }() + plannercore.SetPreparedPlanCache(true) + tk.MustExec("use test") + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("set @@tidb_enable_collect_execution_info=0;") + tk.MustExec("create table t1(a varchar(20), b int, c float, key(b, a))") + tk.MustExec("insert into t1 values('1',1,1.1),('2',2,222),('3',3,333)") + tk.MustExec("create table t2(a varchar(20), b int, c float, key(b, a))") + tk.MustExec("insert into t2 values('3',3,3.3),('2',2,222),('3',3,333)") + + var input []struct { + PrepareStmt string + Executes []struct { + Vars []struct { + Name string + Value string + } + ExecuteSQL string + } + } + var output []struct { + PrepareStmt string + Executes []struct { + SQL string + Vars []struct { + Name string + Value string + } + Plan []string + LastPlanUseCache string + Result []string + } + } + s.testData.GetTestCases(c, &input, &output) + for i, tt := range input { + tk.MustExec(tt.PrepareStmt) + s.testData.OnRecord(func() { + output[i].PrepareStmt = tt.PrepareStmt + output[i].Executes = make([]struct { + SQL string + Vars []struct { + Name string + Value string + } + Plan []string + LastPlanUseCache string + Result []string + }, len(tt.Executes)) + }) + c.Assert(output[i].PrepareStmt, Equals, tt.PrepareStmt) + for j, exec := range tt.Executes { + for _, v := range exec.Vars { + tk.MustExec(fmt.Sprintf(`set @%s = %s`, v.Name, v.Value)) + } + res := tk.MustQuery(exec.ExecuteSQL) + lastPlanUseCache := tk.MustQuery("select @@last_plan_from_cache").Rows()[0][0] + tk.MustQuery(exec.ExecuteSQL) + tkProcess := tk.Se.ShowProcess() + ps := []*util.ProcessInfo{tkProcess} + tk.Se.SetSessionManager(&mockSessionManager1{PS: ps}) + plan := tk.MustQuery(fmt.Sprintf("explain for connection %d", tkProcess.ID)) + s.testData.OnRecord(func() { + output[i].Executes[j].SQL = exec.ExecuteSQL + output[i].Executes[j].Plan = s.testData.ConvertRowsToStrings(plan.Rows()) + output[i].Executes[j].Vars = exec.Vars + output[i].Executes[j].LastPlanUseCache = lastPlanUseCache.(string) + output[i].Executes[j].Result = s.testData.ConvertRowsToStrings(res.Rows()) + }) + c.Assert(output[i].Executes[j].SQL, Equals, exec.ExecuteSQL) + plan.Check(testkit.Rows(output[i].Executes[j].Plan...)) + c.Assert(output[i].Executes[j].Vars, DeepEquals, exec.Vars) + c.Assert(output[i].Executes[j].LastPlanUseCache, Equals, lastPlanUseCache.(string)) + res.Check(testkit.Rows(output[i].Executes[j].Result...)) + } + } +} diff --git a/executor/set.go b/executor/set.go index d6c357e9a7080..d057bb0256ad7 100644 --- a/executor/set.go +++ b/executor/set.go @@ -33,7 +33,6 @@ import ( "github.com/pingcap/tidb/util/gcutil" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/stmtsummary" - "github.com/pingcap/tidb/util/stringutil" "go.uber.org/zap" ) @@ -91,17 +90,15 @@ func (e *SetExecutor) Next(ctx context.Context, req *chunk.Chunk) error { if err != nil { return err } - + sessionVars.UsersLock.Lock() if value.IsNull() { delete(sessionVars.Users, name) + delete(sessionVars.UserVarTypes, name) } else { - svalue, err1 := value.ToString() - if err1 != nil { - return err1 - } - - sessionVars.SetUserVar(name, stringutil.Copy(svalue), value.Collation()) + sessionVars.Users[name] = value + sessionVars.UserVarTypes[name] = v.Expr.GetType() } + sessionVars.UsersLock.Unlock() continue } diff --git a/executor/show_test.go b/executor/show_test.go index 9803bd0c49179..1c6aeb1fa1ab3 100644 --- a/executor/show_test.go +++ b/executor/show_test.go @@ -1066,9 +1066,9 @@ func (s *testSuite5) TestShowBuiltin(c *C) { res := tk.MustQuery("show builtins;") c.Assert(res, NotNil) rows := res.Rows() - c.Assert(268, Equals, len(rows)) + c.Assert(267, Equals, len(rows)) c.Assert("abs", Equals, rows[0][0].(string)) - c.Assert("yearweek", Equals, rows[267][0].(string)) + c.Assert("yearweek", Equals, rows[266][0].(string)) } func (s *testSuite5) TestShowClusterConfig(c *C) { diff --git a/executor/testdata/prepare_suite_in.json b/executor/testdata/prepare_suite_in.json new file mode 100644 index 0000000000000..a592b6ec327c0 --- /dev/null +++ b/executor/testdata/prepare_suite_in.json @@ -0,0 +1,58 @@ +[ + { + "name": "TestPlanCacheWithDifferentVariableTypes", + "cases": [ + { + "PrepareStmt": "prepare stmt from \"select ?, ?\"", + "Executes": [ + { + "Vars": [{"Name": "v1", "Value": "1"}, {"Name": "v2", "Value": "2"}], + "ExecuteSQL": "execute stmt using @v1, @v2" + }, + { + "Vars": [{"Name": "v1", "Value": "1"}, {"Name": "v2", "Value": "\"abc\""}], + "ExecuteSQL": "execute stmt using @v1, @v2" + }, + { + "Vars": [{"Name": "v1", "Value": "10"}, {"Name": "v2", "Value": "\"cba\""}], + "ExecuteSQL": "execute stmt using @v1, @v2" + } + ] + }, + { + "PrepareStmt": "prepare stmt from \"select a from t1 where t1.b = ?\"", + "Executes": [ + { + "Vars": [{"Name": "v1", "Value": "3"}], + "ExecuteSQL": "execute stmt using @v1" + }, + { + "Vars": [{"Name": "v1", "Value": "2"}], + "ExecuteSQL": "execute stmt using @v1" + }, + { + "Vars": [{"Name": "v1", "Value": "\"abc\""}], + "ExecuteSQL": "execute stmt using @v1" + } + ] + }, + { + "PrepareStmt": "prepare stmt from \"select t1.c, t2.c from t1 join t2 on t1.b = t2.b and t1.a = t2.a where t1.b = ?\"", + "Executes": [ + { + "Vars": [{"Name": "v1", "Value": "1"}], + "ExecuteSQL": "execute stmt using @v1" + }, + { + "Vars": [{"Name": "v1", "Value": "2"}], + "ExecuteSQL": "execute stmt using @v1" + }, + { + "Vars": [{"Name": "v1", "Value": "\"abc\""}], + "ExecuteSQL": "execute stmt using @v1" + } + ] + } + ] + } +] diff --git a/executor/testdata/prepare_suite_out.json b/executor/testdata/prepare_suite_out.json new file mode 100644 index 0000000000000..5caa86bded46b --- /dev/null +++ b/executor/testdata/prepare_suite_out.json @@ -0,0 +1,208 @@ +[ + { + "Name": "TestPlanCacheWithDifferentVariableTypes", + "Cases": [ + { + "PrepareStmt": "prepare stmt from \"select ?, ?\"", + "Executes": [ + { + "SQL": "execute stmt using @v1, @v2", + "Vars": [ + { + "Name": "v1", + "Value": "1" + }, + { + "Name": "v2", + "Value": "2" + } + ], + "Plan": [ + "Projection_3 1.00 root 1->Column#1, 2->Column#2", + "└─TableDual_4 1.00 root rows:1" + ], + "LastPlanUseCache": "0", + "Result": [ + "1 2" + ] + }, + { + "SQL": "execute stmt using @v1, @v2", + "Vars": [ + { + "Name": "v1", + "Value": "1" + }, + { + "Name": "v2", + "Value": "\"abc\"" + } + ], + "Plan": [ + "Projection_3 1.00 root 1->Column#1, abc->Column#2", + "└─TableDual_4 1.00 root rows:1" + ], + "LastPlanUseCache": "0", + "Result": [ + "1 abc" + ] + }, + { + "SQL": "execute stmt using @v1, @v2", + "Vars": [ + { + "Name": "v1", + "Value": "10" + }, + { + "Name": "v2", + "Value": "\"cba\"" + } + ], + "Plan": [ + "Projection_3 1.00 root 10->Column#1, cba->Column#2", + "└─TableDual_4 1.00 root rows:1" + ], + "LastPlanUseCache": "0", + "Result": [ + "10 cba" + ] + } + ] + }, + { + "PrepareStmt": "prepare stmt from \"select a from t1 where t1.b = ?\"", + "Executes": [ + { + "SQL": "execute stmt using @v1", + "Vars": [ + { + "Name": "v1", + "Value": "3" + } + ], + "Plan": [ + "Projection_4 10.00 root test.t1.a", + "└─IndexReader_6 10.00 root index:IndexRangeScan_5", + " └─IndexRangeScan_5 10.00 cop[tikv] table:t1, index:b(b, a) range:[3,3], keep order:false, stats:pseudo" + ], + "LastPlanUseCache": "0", + "Result": [ + "3" + ] + }, + { + "SQL": "execute stmt using @v1", + "Vars": [ + { + "Name": "v1", + "Value": "2" + } + ], + "Plan": [ + "Projection_4 10.00 root test.t1.a", + "└─IndexReader_6 10.00 root index:IndexRangeScan_5", + " └─IndexRangeScan_5 10.00 cop[tikv] table:t1, index:b(b, a) range:[2,2], keep order:false, stats:pseudo" + ], + "LastPlanUseCache": "1", + "Result": [ + "2" + ] + }, + { + "SQL": "execute stmt using @v1", + "Vars": [ + { + "Name": "v1", + "Value": "\"abc\"" + } + ], + "Plan": [ + "Projection_4 8000.00 root test.t1.a", + "└─IndexReader_10 8000.00 root index:Selection_9", + " └─Selection_9 8000.00 cop[tikv] eq(cast(test.t1.b), 0)", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t1, index:b(b, a) keep order:false, stats:pseudo" + ], + "LastPlanUseCache": "0", + "Result": null + } + ] + }, + { + "PrepareStmt": "prepare stmt from \"select t1.c, t2.c from t1 join t2 on t1.b = t2.b and t1.a = t2.a where t1.b = ?\"", + "Executes": [ + { + "SQL": "execute stmt using @v1", + "Vars": [ + { + "Name": "v1", + "Value": "1" + } + ], + "Plan": [ + "MergeJoin_9 6387.21 root inner join, left key:test.t1.a, right key:test.t2.a, other cond:eq(test.t1.b, test.t2.b)", + "├─Projection_59(Build) 99.80 root test.t2.a, test.t2.b, test.t2.c", + "│ └─IndexLookUp_58 99.80 root ", + "│ ├─Selection_57(Build) 99.80 cop[tikv] not(isnull(test.t2.b))", + "│ │ └─IndexRangeScan_55 99.90 cop[tikv] table:t2, index:b(b, a) range:[1 -inf,1 +inf], keep order:true, stats:pseudo", + "│ └─TableRowIDScan_56(Probe) 99.80 cop[tikv] table:t2 keep order:false, stats:pseudo", + "└─Projection_54(Probe) 99.80 root test.t1.a, test.t1.b, test.t1.c", + " └─IndexLookUp_53 99.80 root ", + " ├─Selection_52(Build) 99.80 cop[tikv] not(isnull(test.t1.b))", + " │ └─IndexRangeScan_50 99.90 cop[tikv] table:t1, index:b(b, a) range:[1 -inf,1 +inf], keep order:true, stats:pseudo", + " └─TableRowIDScan_51(Probe) 99.80 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "LastPlanUseCache": "0", + "Result": null + }, + { + "SQL": "execute stmt using @v1", + "Vars": [ + { + "Name": "v1", + "Value": "2" + } + ], + "Plan": [ + "MergeJoin_9 6387.21 root inner join, left key:test.t1.a, right key:test.t2.a, other cond:eq(test.t1.b, test.t2.b)", + "├─Projection_59(Build) 99.80 root test.t2.a, test.t2.b, test.t2.c", + "│ └─IndexLookUp_58 99.80 root ", + "│ ├─Selection_57(Build) 99.80 cop[tikv] not(isnull(test.t2.b))", + "│ │ └─IndexRangeScan_55 99.90 cop[tikv] table:t2, index:b(b, a) range:[2 -inf,2 +inf], keep order:true, stats:pseudo", + "│ └─TableRowIDScan_56(Probe) 99.80 cop[tikv] table:t2 keep order:false, stats:pseudo", + "└─Projection_54(Probe) 99.80 root test.t1.a, test.t1.b, test.t1.c", + " └─IndexLookUp_53 99.80 root ", + " ├─Selection_52(Build) 99.80 cop[tikv] not(isnull(test.t1.b))", + " │ └─IndexRangeScan_50 99.90 cop[tikv] table:t1, index:b(b, a) range:[2 -inf,2 +inf], keep order:true, stats:pseudo", + " └─TableRowIDScan_51(Probe) 99.80 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "LastPlanUseCache": "1", + "Result": [ + "222 222" + ] + }, + { + "SQL": "execute stmt using @v1", + "Vars": [ + { + "Name": "v1", + "Value": "\"abc\"" + } + ], + "Plan": [ + "HashJoin_37 63744383.74 root inner join, equal:[eq(test.t1.b, test.t2.b) eq(test.t1.a, test.t2.a)]", + "├─TableReader_58(Build) 7984.01 root data:Selection_57", + "│ └─Selection_57 7984.01 cop[tikv] eq(cast(test.t2.b), 0), not(isnull(test.t2.a)), not(isnull(test.t2.b))", + "│ └─TableFullScan_56 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + "└─TableReader_51(Probe) 7984.01 root data:Selection_50", + " └─Selection_50 7984.01 cop[tikv] eq(cast(test.t1.b), 0), not(isnull(test.t1.a)), not(isnull(test.t1.b))", + " └─TableFullScan_49 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "LastPlanUseCache": "0", + "Result": null + } + ] + } + ] + } +] diff --git a/expression/bench_test.go b/expression/bench_test.go index edccc58a82f03..9f7c9fab154f1 100644 --- a/expression/bench_test.go +++ b/expression/bench_test.go @@ -1244,6 +1244,20 @@ func genVecBuiltinFuncBenchCase(ctx sessionctx.Context, funcName string, testCas fc = &castAsStringFunctionClass{baseFunctionClass{ast.Cast, 1, 1}, tp} } baseFunc, err = fc.getFunction(ctx, cols) + } else if funcName == ast.GetVar { + var fc functionClass + tp := eType2FieldType(testCase.retEvalType) + switch testCase.retEvalType { + case types.ETInt: + fc = &getIntVarFunctionClass{getVarFunctionClass{baseFunctionClass{ast.GetVar, 1, 1}, tp}} + case types.ETDecimal: + fc = &getDecimalVarFunctionClass{getVarFunctionClass{baseFunctionClass{ast.GetVar, 1, 1}, tp}} + case types.ETReal: + fc = &getRealVarFunctionClass{getVarFunctionClass{baseFunctionClass{ast.GetVar, 1, 1}, tp}} + default: + fc = &getStringVarFunctionClass{getVarFunctionClass{baseFunctionClass{ast.GetVar, 1, 1}, tp}} + } + baseFunc, err = fc.getFunction(ctx, cols) } else { baseFunc, err = funcs[funcName].getFunction(ctx, cols) } diff --git a/expression/builtin.go b/expression/builtin.go index 8df6a37587b20..d632af718269c 100644 --- a/expression/builtin.go +++ b/expression/builtin.go @@ -808,7 +808,6 @@ var funcs = map[string]functionClass{ ast.Case: &caseWhenFunctionClass{baseFunctionClass{ast.Case, 1, -1}}, ast.RowFunc: &rowFunctionClass{baseFunctionClass{ast.RowFunc, 2, -1}}, ast.SetVar: &setVarFunctionClass{baseFunctionClass{ast.SetVar, 2, 2}}, - ast.GetVar: &getVarFunctionClass{baseFunctionClass{ast.GetVar, 1, 1}}, ast.BitCount: &bitCountFunctionClass{baseFunctionClass{ast.BitCount, 1, 1}}, ast.GetParam: &getParamFunctionClass{baseFunctionClass{ast.GetParam, 1, 1}}, diff --git a/expression/builtin_other.go b/expression/builtin_other.go index 6574054964b8d..b2ecf84036590 100644 --- a/expression/builtin_other.go +++ b/expression/builtin_other.go @@ -18,6 +18,8 @@ import ( "time" "github.com/pingcap/errors" + "github.com/pingcap/parser/ast" + "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/types" @@ -33,7 +35,10 @@ var ( _ functionClass = &inFunctionClass{} _ functionClass = &rowFunctionClass{} _ functionClass = &setVarFunctionClass{} - _ functionClass = &getVarFunctionClass{} + _ functionClass = &getIntVarFunctionClass{} + _ functionClass = &getRealVarFunctionClass{} + _ functionClass = &getDecimalVarFunctionClass{} + _ functionClass = &getStringVarFunctionClass{} _ functionClass = &lockFunctionClass{} _ functionClass = &releaseLockFunctionClass{} _ functionClass = &valuesFunctionClass{} @@ -51,8 +56,14 @@ var ( _ builtinFunc = &builtinInDurationSig{} _ builtinFunc = &builtinInJSONSig{} _ builtinFunc = &builtinRowSig{} - _ builtinFunc = &builtinSetVarSig{} - _ builtinFunc = &builtinGetVarSig{} + _ builtinFunc = &builtinSetStringVarSig{} + _ builtinFunc = &builtinSetIntVarSig{} + _ builtinFunc = &builtinSetRealVarSig{} + _ builtinFunc = &builtinSetDecimalVarSig{} + _ builtinFunc = &builtinGetStringVarSig{} + _ builtinFunc = &builtinGetIntVarSig{} + _ builtinFunc = &builtinGetRealVarSig{} + _ builtinFunc = &builtinGetDecimalVarSig{} _ builtinFunc = &builtinLockSig{} _ builtinFunc = &builtinReleaseLockSig{} _ builtinFunc = &builtinValuesIntSig{} @@ -673,45 +684,56 @@ func (c *setVarFunctionClass) getFunction(ctx sessionctx.Context, args []Express if err = c.verifyArgs(args); err != nil { return nil, err } - bf, err := newBaseBuiltinFuncWithTp(ctx, c.funcName, args, types.ETString, types.ETString, types.ETString) + argTp := args[1].GetType().EvalType() + if argTp == types.ETTimestamp || argTp == types.ETDatetime || argTp == types.ETDuration || argTp == types.ETJson { + argTp = types.ETString + } + bf, err := newBaseBuiltinFuncWithTp(ctx, c.funcName, args, argTp, types.ETString, argTp) if err != nil { return nil, err } bf.tp.Flen = args[1].GetType().Flen - // TODO: we should consider the type of the argument, but not take it as string for all situations. - sig = &builtinSetVarSig{bf} - return sig, err + switch argTp { + case types.ETString: + sig = &builtinSetStringVarSig{bf} + case types.ETReal: + sig = &builtinSetRealVarSig{bf} + case types.ETDecimal: + sig = &builtinSetDecimalVarSig{bf} + case types.ETInt: + sig = &builtinSetIntVarSig{bf} + default: + return nil, errors.Errorf("unexpected types.EvalType %v", argTp) + } + return sig, nil } -type builtinSetVarSig struct { +type builtinSetStringVarSig struct { baseBuiltinFunc } -func (b *builtinSetVarSig) Clone() builtinFunc { - newSig := &builtinSetVarSig{} +func (b *builtinSetStringVarSig) Clone() builtinFunc { + newSig := &builtinSetStringVarSig{} newSig.cloneFrom(&b.baseBuiltinFunc) return newSig } -func (b *builtinSetVarSig) evalString(row chunk.Row) (res string, isNull bool, err error) { +func (b *builtinSetStringVarSig) evalString(row chunk.Row) (res string, isNull bool, err error) { var varName string sessionVars := b.ctx.GetSessionVars() varName, isNull, err = b.args[0].EvalString(b.ctx, row) if isNull || err != nil { return "", isNull, err } - datum, err := b.args[1].Eval(row) isNull = datum.IsNull() if isNull || err != nil { return "", isNull, err } - res, err = datum.ToString() if err != nil { return "", isNull, err } - varName = strings.ToLower(varName) sessionVars.UsersLock.Lock() sessionVars.SetUserVar(varName, stringutil.Copy(res), datum.Collation()) @@ -719,72 +741,298 @@ func (b *builtinSetVarSig) evalString(row chunk.Row) (res string, isNull bool, e return res, false, nil } +type builtinSetRealVarSig struct { + baseBuiltinFunc +} + +func (b *builtinSetRealVarSig) Clone() builtinFunc { + newSig := &builtinSetRealVarSig{} + newSig.cloneFrom(&b.baseBuiltinFunc) + return newSig +} + +func (b *builtinSetRealVarSig) evalReal(row chunk.Row) (res float64, isNull bool, err error) { + var varName string + sessionVars := b.ctx.GetSessionVars() + varName, isNull, err = b.args[0].EvalString(b.ctx, row) + if isNull || err != nil { + return 0, isNull, err + } + datum, err := b.args[1].Eval(row) + isNull = datum.IsNull() + if isNull || err != nil { + return 0, isNull, err + } + res = datum.GetFloat64() + varName = strings.ToLower(varName) + sessionVars.UsersLock.Lock() + sessionVars.Users[varName] = datum + sessionVars.UsersLock.Unlock() + return res, false, nil +} + +type builtinSetDecimalVarSig struct { + baseBuiltinFunc +} + +func (b *builtinSetDecimalVarSig) Clone() builtinFunc { + newSig := &builtinSetDecimalVarSig{} + newSig.cloneFrom(&b.baseBuiltinFunc) + return newSig +} + +func (b *builtinSetDecimalVarSig) evalDecimal(row chunk.Row) (*types.MyDecimal, bool, error) { + sessionVars := b.ctx.GetSessionVars() + varName, isNull, err := b.args[0].EvalString(b.ctx, row) + if isNull || err != nil { + return nil, isNull, err + } + datum, err := b.args[1].Eval(row) + isNull = datum.IsNull() + if isNull || err != nil { + return nil, isNull, err + } + res := datum.GetMysqlDecimal() + varName = strings.ToLower(varName) + sessionVars.UsersLock.Lock() + sessionVars.Users[varName] = datum + sessionVars.UsersLock.Unlock() + return res, false, nil +} + +type builtinSetIntVarSig struct { + baseBuiltinFunc +} + +func (b *builtinSetIntVarSig) Clone() builtinFunc { + newSig := &builtinSetIntVarSig{} + newSig.cloneFrom(&b.baseBuiltinFunc) + return newSig +} + +func (b *builtinSetIntVarSig) evalInt(row chunk.Row) (int64, bool, error) { + sessionVars := b.ctx.GetSessionVars() + varName, isNull, err := b.args[0].EvalString(b.ctx, row) + if isNull || err != nil { + return 0, isNull, err + } + datum, err := b.args[1].Eval(row) + isNull = datum.IsNull() + if isNull || err != nil { + return 0, isNull, err + } + res := datum.GetInt64() + varName = strings.ToLower(varName) + sessionVars.UsersLock.Lock() + sessionVars.Users[varName] = datum + sessionVars.UsersLock.Unlock() + return res, false, nil +} + +// BuildGetVarFunction builds a GetVar ScalarFunction from the Expression. +func BuildGetVarFunction(ctx sessionctx.Context, expr Expression, retType *types.FieldType) (Expression, error) { + var fc functionClass + switch retType.EvalType() { + case types.ETInt: + fc = &getIntVarFunctionClass{getVarFunctionClass{baseFunctionClass{ast.GetVar, 1, 1}, retType}} + case types.ETDecimal: + fc = &getDecimalVarFunctionClass{getVarFunctionClass{baseFunctionClass{ast.GetVar, 1, 1}, retType}} + case types.ETReal: + fc = &getRealVarFunctionClass{getVarFunctionClass{baseFunctionClass{ast.GetVar, 1, 1}, retType}} + default: + fc = &getStringVarFunctionClass{getVarFunctionClass{baseFunctionClass{ast.GetVar, 1, 1}, retType}} + } + f, err := fc.getFunction(ctx, []Expression{expr}) + if err != nil { + return nil, err + } + if builtinRetTp := f.getRetTp(); builtinRetTp.Tp != mysql.TypeUnspecified || retType.Tp == mysql.TypeUnspecified { + retType = builtinRetTp + } + return &ScalarFunction{ + FuncName: model.NewCIStr(ast.GetVar), + RetType: retType, + Function: f, + }, nil +} + type getVarFunctionClass struct { baseFunctionClass + + tp *types.FieldType } -func (c *getVarFunctionClass) getFunction(ctx sessionctx.Context, args []Expression) (sig builtinFunc, err error) { +type getStringVarFunctionClass struct { + getVarFunctionClass +} + +func (c *getStringVarFunctionClass) getFunction(ctx sessionctx.Context, args []Expression) (sig builtinFunc, err error) { if err = c.verifyArgs(args); err != nil { return nil, err } - // TODO: we should consider the type of the argument, but not take it as string for all situations. bf, err := newBaseBuiltinFuncWithTp(ctx, c.funcName, args, types.ETString, types.ETString) if err != nil { return nil, err } - bf.tp.Flen = mysql.MaxFieldVarCharLength - if err := c.resolveCollation(ctx, args, &bf); err != nil { + bf.tp.Flen = c.tp.Flen + if len(c.tp.Charset) > 0 { + bf.tp.Charset = c.tp.Charset + bf.tp.Collate = c.tp.Collate + } + sig = &builtinGetStringVarSig{bf} + return sig, nil +} + +type builtinGetStringVarSig struct { + baseBuiltinFunc +} + +func (b *builtinGetStringVarSig) Clone() builtinFunc { + newSig := &builtinGetStringVarSig{} + newSig.cloneFrom(&b.baseBuiltinFunc) + return newSig +} + +func (b *builtinGetStringVarSig) evalString(row chunk.Row) (string, bool, error) { + sessionVars := b.ctx.GetSessionVars() + varName, isNull, err := b.args[0].EvalString(b.ctx, row) + if isNull || err != nil { + return "", isNull, err + } + varName = strings.ToLower(varName) + sessionVars.UsersLock.RLock() + defer sessionVars.UsersLock.RUnlock() + if v, ok := sessionVars.Users[varName]; ok { + return v.GetString(), false, nil + } + return "", true, nil +} + +type getIntVarFunctionClass struct { + getVarFunctionClass +} + +func (c *getIntVarFunctionClass) getFunction(ctx sessionctx.Context, args []Expression) (sig builtinFunc, err error) { + if err = c.verifyArgs(args); err != nil { + return nil, err + } + bf, err := newBaseBuiltinFuncWithTp(ctx, c.funcName, args, types.ETInt, types.ETString) + if err != nil { return nil, err } - sig = &builtinGetVarSig{bf} + bf.tp.Flen = c.tp.Flen + bf.tp.Flag = c.tp.Flag + sig = &builtinGetIntVarSig{bf} return sig, nil } -func (c *getVarFunctionClass) resolveCollation(ctx sessionctx.Context, args []Expression, bf *baseBuiltinFunc) (err error) { - if constant, ok := args[0].(*Constant); ok { - varName, err := constant.Value.ToString() - if err != nil { - return err - } - varName = strings.ToLower(varName) - ctx.GetSessionVars().UsersLock.RLock() - defer ctx.GetSessionVars().UsersLock.RUnlock() - if v, ok := ctx.GetSessionVars().Users[varName]; ok { - bf.tp.Collate = v.Collation() - if len(bf.tp.Charset) <= 0 { - charset, _ := ctx.GetSessionVars().GetCharsetInfo() - bf.tp.Charset = charset - } - return nil - } +type builtinGetIntVarSig struct { + baseBuiltinFunc +} + +func (b *builtinGetIntVarSig) Clone() builtinFunc { + newSig := &builtinGetIntVarSig{} + newSig.cloneFrom(&b.baseBuiltinFunc) + return newSig +} + +func (b *builtinGetIntVarSig) evalInt(row chunk.Row) (int64, bool, error) { + sessionVars := b.ctx.GetSessionVars() + varName, isNull, err := b.args[0].EvalString(b.ctx, row) + if isNull || err != nil { + return 0, isNull, err + } + varName = strings.ToLower(varName) + sessionVars.UsersLock.RLock() + defer sessionVars.UsersLock.RUnlock() + if v, ok := sessionVars.Users[varName]; ok { + return v.GetInt64(), false, nil } + return 0, true, nil +} - return nil +type getRealVarFunctionClass struct { + getVarFunctionClass } -type builtinGetVarSig struct { +func (c *getRealVarFunctionClass) getFunction(ctx sessionctx.Context, args []Expression) (sig builtinFunc, err error) { + if err = c.verifyArgs(args); err != nil { + return nil, err + } + bf, err := newBaseBuiltinFuncWithTp(ctx, c.funcName, args, types.ETReal, types.ETString) + if err != nil { + return nil, err + } + bf.tp.Flen = c.tp.Flen + sig = &builtinGetRealVarSig{bf} + return sig, nil +} + +type builtinGetRealVarSig struct { baseBuiltinFunc } -func (b *builtinGetVarSig) Clone() builtinFunc { - newSig := &builtinGetVarSig{} +func (b *builtinGetRealVarSig) Clone() builtinFunc { + newSig := &builtinGetRealVarSig{} newSig.cloneFrom(&b.baseBuiltinFunc) return newSig } -func (b *builtinGetVarSig) evalString(row chunk.Row) (string, bool, error) { +func (b *builtinGetRealVarSig) evalReal(row chunk.Row) (float64, bool, error) { sessionVars := b.ctx.GetSessionVars() varName, isNull, err := b.args[0].EvalString(b.ctx, row) if isNull || err != nil { - return "", isNull, err + return 0, isNull, err } varName = strings.ToLower(varName) sessionVars.UsersLock.RLock() defer sessionVars.UsersLock.RUnlock() if v, ok := sessionVars.Users[varName]; ok { - return v.GetString(), false, nil + return v.GetFloat64(), false, nil } - return "", true, nil + return 0, true, nil +} + +type getDecimalVarFunctionClass struct { + getVarFunctionClass +} + +func (c *getDecimalVarFunctionClass) getFunction(ctx sessionctx.Context, args []Expression) (sig builtinFunc, err error) { + if err = c.verifyArgs(args); err != nil { + return nil, err + } + bf, err := newBaseBuiltinFuncWithTp(ctx, c.funcName, args, types.ETDecimal, types.ETString) + if err != nil { + return nil, err + } + bf.tp.Flen = c.tp.Flen + sig = &builtinGetDecimalVarSig{bf} + return sig, nil +} + +type builtinGetDecimalVarSig struct { + baseBuiltinFunc +} + +func (b *builtinGetDecimalVarSig) Clone() builtinFunc { + newSig := &builtinGetDecimalVarSig{} + newSig.cloneFrom(&b.baseBuiltinFunc) + return newSig +} + +func (b *builtinGetDecimalVarSig) evalDecimal(row chunk.Row) (*types.MyDecimal, bool, error) { + sessionVars := b.ctx.GetSessionVars() + varName, isNull, err := b.args[0].EvalString(b.ctx, row) + if isNull || err != nil { + return nil, isNull, err + } + varName = strings.ToLower(varName) + sessionVars.UsersLock.RLock() + defer sessionVars.UsersLock.RUnlock() + if v, ok := sessionVars.Users[varName]; ok { + return v.GetMysqlDecimal(), false, nil + } + return nil, true, nil } type valuesFunctionClass struct { diff --git a/expression/builtin_other_test.go b/expression/builtin_other_test.go index 05e921216d367..b635f845b2944 100644 --- a/expression/builtin_other_test.go +++ b/expression/builtin_other_test.go @@ -151,47 +151,54 @@ func (s *testEvaluatorSuite) TestRowFunc(c *C) { func (s *testEvaluatorSuite) TestSetVar(c *C) { fc := funcs[ast.SetVar] + dec := types.NewDecFromInt(5) testCases := []struct { args []interface{} res interface{} }{ {[]interface{}{"a", "12"}, "12"}, {[]interface{}{"b", "34"}, "34"}, - {[]interface{}{"c", nil}, ""}, + {[]interface{}{"c", nil}, nil}, {[]interface{}{"c", "ABC"}, "ABC"}, {[]interface{}{"c", "dEf"}, "dEf"}, + {[]interface{}{"d", int64(3)}, int64(3)}, + {[]interface{}{"e", float64(2.5)}, float64(2.5)}, + {[]interface{}{"f", dec}, dec}, } for _, tc := range testCases { fn, err := fc.getFunction(s.ctx, s.datumsToConstants(types.MakeDatums(tc.args...))) c.Assert(err, IsNil) d, err := evalBuiltinFunc(fn, chunk.MutRowFromDatums(types.MakeDatums(tc.args...)).ToRow()) c.Assert(err, IsNil) - c.Assert(d.GetString(), Equals, tc.res) + c.Assert(d.GetValue(), Equals, tc.res) if tc.args[1] != nil { key, ok := tc.args[0].(string) c.Assert(ok, Equals, true) - val, ok := tc.res.(string) - c.Assert(ok, Equals, true) sessionVar, ok := s.ctx.GetSessionVars().Users[key] c.Assert(ok, Equals, true) - c.Assert(sessionVar.GetString(), Equals, val) + c.Assert(sessionVar.GetValue(), Equals, tc.res) } } } func (s *testEvaluatorSuite) TestGetVar(c *C) { - fc := funcs[ast.GetVar] - + dec := types.NewDecFromInt(5) sessionVars := []struct { key string - val string + val interface{} }{ {"a", "中"}, {"b", "文字符chuan"}, {"c", ""}, + {"e", int64(3)}, + {"f", float64(2.5)}, + {"g", dec}, } for _, kv := range sessionVars { - s.ctx.GetSessionVars().Users[kv.key] = types.NewStringDatum(kv.val) + s.ctx.GetSessionVars().Users[kv.key] = types.NewDatum(kv.val) + tp := types.NewFieldType(mysql.TypeVarString) + types.DefaultParamTypeForValue(kv.val, tp) + s.ctx.GetSessionVars().UserVarTypes[kv.key] = tp } testCases := []struct { @@ -201,14 +208,21 @@ func (s *testEvaluatorSuite) TestGetVar(c *C) { {[]interface{}{"a"}, "中"}, {[]interface{}{"b"}, "文字符chuan"}, {[]interface{}{"c"}, ""}, - {[]interface{}{"d"}, ""}, + {[]interface{}{"d"}, nil}, + {[]interface{}{"e"}, int64(3)}, + {[]interface{}{"f"}, float64(2.5)}, + {[]interface{}{"g"}, dec}, } for _, tc := range testCases { - fn, err := fc.getFunction(s.ctx, s.datumsToConstants(types.MakeDatums(tc.args...))) + tp, ok := s.ctx.GetSessionVars().UserVarTypes[tc.args[0].(string)] + if !ok { + tp = types.NewFieldType(mysql.TypeVarString) + } + fn, err := BuildGetVarFunction(s.ctx, s.datumsToConstants(types.MakeDatums(tc.args...))[0], tp) c.Assert(err, IsNil) - d, err := evalBuiltinFunc(fn, chunk.MutRowFromDatums(types.MakeDatums(tc.args...)).ToRow()) + d, err := fn.Eval(chunk.Row{}) c.Assert(err, IsNil) - c.Assert(d.GetString(), Equals, tc.res) + c.Assert(d.GetValue(), Equals, tc.res) } } diff --git a/expression/builtin_other_vec.go b/expression/builtin_other_vec.go index 7bbbd8260857e..557f8ac87ae2e 100644 --- a/expression/builtin_other_vec.go +++ b/expression/builtin_other_vec.go @@ -155,11 +155,11 @@ func (b *builtinGetParamStringSig) vecEvalString(input *chunk.Chunk, result *chu return nil } -func (b *builtinSetVarSig) vectorized() bool { +func (b *builtinSetStringVarSig) vectorized() bool { return true } -func (b *builtinSetVarSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error { +func (b *builtinSetStringVarSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error { n := input.NumRows() buf0, err := b.bufAllocator.get(types.ETString, n) if err != nil { @@ -195,6 +195,126 @@ func (b *builtinSetVarSig) vecEvalString(input *chunk.Chunk, result *chunk.Colum return nil } +func (b *builtinSetIntVarSig) vectorized() bool { + return true +} + +func (b *builtinSetIntVarSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error { + n := input.NumRows() + buf0, err := b.bufAllocator.get(types.ETString, n) + if err != nil { + return err + } + defer b.bufAllocator.put(buf0) + if err := b.args[0].VecEvalString(b.ctx, input, buf0); err != nil { + return err + } + buf1, err := b.bufAllocator.get(types.ETInt, n) + if err != nil { + return err + } + defer b.bufAllocator.put(buf1) + if err := b.args[1].VecEvalInt(b.ctx, input, buf1); err != nil { + return err + } + result.ResizeInt64(n, false) + i64s := result.Int64s() + sessionVars := b.ctx.GetSessionVars() + sessionVars.UsersLock.Lock() + defer sessionVars.UsersLock.Unlock() + for i := 0; i < n; i++ { + if buf0.IsNull(i) || buf1.IsNull(i) { + result.SetNull(i, true) + continue + } + varName := strings.ToLower(buf0.GetString(i)) + res := buf1.GetInt64(i) + sessionVars.Users[varName] = types.NewIntDatum(res) + i64s[i] = res + } + return nil +} + +func (b *builtinSetRealVarSig) vectorized() bool { + return true +} + +func (b *builtinSetRealVarSig) vecEvalReal(input *chunk.Chunk, result *chunk.Column) error { + n := input.NumRows() + buf0, err := b.bufAllocator.get(types.ETString, n) + if err != nil { + return err + } + defer b.bufAllocator.put(buf0) + if err := b.args[0].VecEvalString(b.ctx, input, buf0); err != nil { + return err + } + buf1, err := b.bufAllocator.get(types.ETReal, n) + if err != nil { + return err + } + defer b.bufAllocator.put(buf1) + if err := b.args[1].VecEvalReal(b.ctx, input, buf1); err != nil { + return err + } + result.ResizeFloat64(n, false) + f64s := result.Float64s() + sessionVars := b.ctx.GetSessionVars() + sessionVars.UsersLock.Lock() + defer sessionVars.UsersLock.Unlock() + for i := 0; i < n; i++ { + if buf0.IsNull(i) || buf1.IsNull(i) { + result.SetNull(i, true) + continue + } + varName := strings.ToLower(buf0.GetString(i)) + res := buf1.GetFloat64(i) + sessionVars.Users[varName] = types.NewFloat64Datum(res) + f64s[i] = res + } + return nil +} + +func (b *builtinSetDecimalVarSig) vectorized() bool { + return true +} + +func (b *builtinSetDecimalVarSig) vecEvalDecimal(input *chunk.Chunk, result *chunk.Column) error { + n := input.NumRows() + buf0, err := b.bufAllocator.get(types.ETString, n) + if err != nil { + return err + } + defer b.bufAllocator.put(buf0) + if err := b.args[0].VecEvalString(b.ctx, input, buf0); err != nil { + return err + } + buf1, err := b.bufAllocator.get(types.ETDecimal, n) + if err != nil { + return err + } + defer b.bufAllocator.put(buf1) + if err := b.args[1].VecEvalDecimal(b.ctx, input, buf1); err != nil { + return err + } + result.ResizeDecimal(n, false) + decs := result.Decimals() + sessionVars := b.ctx.GetSessionVars() + sessionVars.UsersLock.Lock() + defer sessionVars.UsersLock.Unlock() + for i := 0; i < n; i++ { + if buf0.IsNull(i) || buf1.IsNull(i) { + result.SetNull(i, true) + continue + } + varName := strings.ToLower(buf0.GetString(i)) + res := buf1.GetDecimal(i) + sessionVars.Users[varName] = types.NewDecimalDatum(res) + decs[i] = *res + } + return nil +} + func (b *builtinValuesDecimalSig) vectorized() bool { return false } @@ -203,11 +323,11 @@ func (b *builtinValuesDecimalSig) vecEvalDecimal(input *chunk.Chunk, result *chu return errors.Errorf("not implemented") } -func (b *builtinGetVarSig) vectorized() bool { +func (b *builtinGetStringVarSig) vectorized() bool { return true } -func (b *builtinGetVarSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error { +func (b *builtinGetStringVarSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error { n := input.NumRows() buf0, err := b.bufAllocator.get(types.ETString, n) if err != nil { @@ -235,3 +355,105 @@ func (b *builtinGetVarSig) vecEvalString(input *chunk.Chunk, result *chunk.Colum } return nil } + +func (b *builtinGetIntVarSig) vectorized() bool { + return true +} + +func (b *builtinGetIntVarSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error { + n := input.NumRows() + buf0, err := b.bufAllocator.get(types.ETString, n) + if err != nil { + return err + } + defer b.bufAllocator.put(buf0) + if err := b.args[0].VecEvalString(b.ctx, input, buf0); err != nil { + return err + } + result.ResizeInt64(n, false) + result.MergeNulls(buf0) + i64s := result.Int64s() + sessionVars := b.ctx.GetSessionVars() + sessionVars.UsersLock.Lock() + defer sessionVars.UsersLock.Unlock() + for i := 0; i < n; i++ { + if result.IsNull(i) { + continue + } + varName := strings.ToLower(buf0.GetString(i)) + if v, ok := sessionVars.Users[varName]; ok { + i64s[i] = v.GetInt64() + continue + } + result.SetNull(i, true) + } + return nil +} + +func (b *builtinGetRealVarSig) vectorized() bool { + return true +} + +func (b *builtinGetRealVarSig) vecEvalReal(input *chunk.Chunk, result *chunk.Column) error { + n := input.NumRows() + buf0, err := b.bufAllocator.get(types.ETString, n) + if err != nil { + return err + } + defer b.bufAllocator.put(buf0) + if err := b.args[0].VecEvalString(b.ctx, input, buf0); err != nil { + return err + } + result.ResizeFloat64(n, false) + result.MergeNulls(buf0) + f64s := result.Float64s() + sessionVars := b.ctx.GetSessionVars() + sessionVars.UsersLock.Lock() + defer sessionVars.UsersLock.Unlock() + for i := 0; i < n; i++ { + if result.IsNull(i) { + continue + } + varName := strings.ToLower(buf0.GetString(i)) + if v, ok := sessionVars.Users[varName]; ok { + f64s[i] = v.GetFloat64() + continue + } + result.SetNull(i, true) + } + return nil +} + +func (b *builtinGetDecimalVarSig) vectorized() bool { + return true +} + +func (b *builtinGetDecimalVarSig) vecEvalDecimal(input *chunk.Chunk, result *chunk.Column) error { + n := input.NumRows() + buf0, err := b.bufAllocator.get(types.ETString, n) + if err != nil { + return err + } + defer b.bufAllocator.put(buf0) + if err := b.args[0].VecEvalString(b.ctx, input, buf0); err != nil { + return err + } + result.ResizeDecimal(n, false) + result.MergeNulls(buf0) + decs := result.Decimals() + sessionVars := b.ctx.GetSessionVars() + sessionVars.UsersLock.Lock() + defer sessionVars.UsersLock.Unlock() + for i := 0; i < n; i++ { + if result.IsNull(i) { + continue + } + varName := strings.ToLower(buf0.GetString(i)) + if v, ok := sessionVars.Users[varName]; ok { + decs[i] = *v.GetMysqlDecimal() + continue + } + result.SetNull(i, true) + } + return nil +} diff --git a/expression/builtin_other_vec_test.go b/expression/builtin_other_vec_test.go index 55541186822d0..b042de216115d 100644 --- a/expression/builtin_other_vec_test.go +++ b/expression/builtin_other_vec_test.go @@ -36,6 +36,9 @@ func dateTimeFromString(s string) types.Time { var vecBuiltinOtherCases = map[string][]vecExprBenchCase{ ast.SetVar: { {retEvalType: types.ETString, childrenTypes: []types.EvalType{types.ETString, types.ETString}}, + {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString, types.ETInt}}, + {retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETString, types.ETReal}}, + {retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETString, types.ETDecimal}}, }, ast.GetVar: { {retEvalType: types.ETString, childrenTypes: []types.EvalType{types.ETString}}, diff --git a/expression/distsql_builtin.go b/expression/distsql_builtin.go index a5e707cadf29e..97f199885fd27 100644 --- a/expression/distsql_builtin.go +++ b/expression/distsql_builtin.go @@ -487,10 +487,10 @@ func getSignatureByPB(ctx sessionctx.Context, sigCode tipb.ScalarFuncSig, tp *ti case tipb.ScalarFuncSig_GetParamString: f = &builtinGetParamStringSig{base} case tipb.ScalarFuncSig_GetVar: - f = &builtinGetVarSig{base} + f = &builtinGetStringVarSig{base} //case tipb.ScalarFuncSig_RowSig: case tipb.ScalarFuncSig_SetVar: - f = &builtinSetVarSig{base} + f = &builtinSetStringVarSig{base} //case tipb.ScalarFuncSig_ValuesDecimal: // f = &builtinValuesDecimalSig{base} //case tipb.ScalarFuncSig_ValuesDuration: diff --git a/expression/integration_test.go b/expression/integration_test.go index 086f6162e0c94..b9c15e8691b1f 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -5971,9 +5971,6 @@ func (s *testIntegrationSuite) TestCollation(c *C) { tk.MustExec("set names utf8mb4 collate utf8mb4_general_ci") tk.MustExec("set @test_collate_var = 'a'") tk.MustQuery("select collation(@test_collate_var)").Check(testkit.Rows("utf8mb4_general_ci")) - tk.MustExec("set names utf8mb4 collate utf8mb4_general_ci") - tk.MustExec("set @test_collate_var = 1") - tk.MustQuery("select collation(@test_collate_var)").Check(testkit.Rows("utf8mb4_general_ci")) tk.MustExec("set @test_collate_var = concat(\"a\", \"b\" collate utf8mb4_bin)") tk.MustQuery("select collation(@test_collate_var)").Check(testkit.Rows("utf8mb4_bin")) } diff --git a/expression/scalar_function.go b/expression/scalar_function.go index e3d692bd506d8..9283e1123c858 100644 --- a/expression/scalar_function.go +++ b/expression/scalar_function.go @@ -181,8 +181,11 @@ func newFunctionImpl(ctx sessionctx.Context, fold int, funcName string, retType if retType == nil { return nil, errors.Errorf("RetType cannot be nil for ScalarFunction.") } - if funcName == ast.Cast { + switch funcName { + case ast.Cast: return BuildCastFunction(ctx, args[0], retType), nil + case ast.GetVar: + return BuildGetVarFunction(ctx, args[0], retType) } fc, ok := funcs[funcName] if !ok { diff --git a/expression/util_test.go b/expression/util_test.go index 172a66e59d1e0..0d7b3f15e6b1f 100644 --- a/expression/util_test.go +++ b/expression/util_test.go @@ -124,7 +124,8 @@ func (s *testUtilSuite) TestClone(c *check.C) { &builtinUnaryMinusIntSig{}, &builtinDecimalIsNullSig{}, &builtinDurationIsNullSig{}, &builtinIntIsNullSig{}, &builtinRealIsNullSig{}, &builtinStringIsNullSig{}, &builtinTimeIsNullSig{}, &builtinUnaryNotRealSig{}, &builtinUnaryNotDecimalSig{}, &builtinUnaryNotIntSig{}, &builtinSleepSig{}, &builtinInIntSig{}, &builtinInStringSig{}, &builtinInDecimalSig{}, &builtinInRealSig{}, &builtinInTimeSig{}, &builtinInDurationSig{}, - &builtinInJSONSig{}, &builtinRowSig{}, &builtinSetVarSig{}, &builtinGetVarSig{}, &builtinLockSig{}, + &builtinInJSONSig{}, &builtinRowSig{}, &builtinSetStringVarSig{}, &builtinSetIntVarSig{}, &builtinSetRealVarSig{}, &builtinSetDecimalVarSig{}, + &builtinGetIntVarSig{}, &builtinGetRealVarSig{}, &builtinGetDecimalVarSig{}, &builtinGetStringVarSig{}, &builtinLockSig{}, &builtinReleaseLockSig{}, &builtinValuesIntSig{}, &builtinValuesRealSig{}, &builtinValuesDecimalSig{}, &builtinValuesStringSig{}, &builtinValuesTimeSig{}, &builtinValuesDurationSig{}, &builtinValuesJSONSig{}, &builtinBitCountSig{}, &builtinGetParamStringSig{}, &builtinLengthSig{}, &builtinASCIISig{}, &builtinConcatSig{}, &builtinConcatWSSig{}, &builtinLeftSig{}, diff --git a/planner/cascades/testdata/transformation_rules_suite_out.json b/planner/cascades/testdata/transformation_rules_suite_out.json index 4d0c3cad6d735..7f4d933048652 100644 --- a/planner/cascades/testdata/transformation_rules_suite_out.json +++ b/planner/cascades/testdata/transformation_rules_suite_out.json @@ -53,9 +53,9 @@ "SQL": "select b, @i:=@i+1 as ii from (select b, @i:=0 from t as t1) as t2 where @i < 10", "Result": [ "Group#0 Schema:[test.t.b,Column#14]", - " Projection_4 input:[Group#1], test.t.b, setvar(i, cast(plus(cast(getvar(i), double BINARY), 1), var_string(5)))->Column#14", + " Projection_4 input:[Group#1], test.t.b, setvar(i, plus(getvar(i), 1))->Column#14", "Group#1 Schema:[test.t.b,Column#13]", - " Selection_3 input:[Group#2], lt(cast(getvar(\"i\")), 10)", + " Selection_3 input:[Group#2], lt(getvar(\"i\"), 10)", "Group#2 Schema:[test.t.b,Column#13]", " Projection_2 input:[Group#3], test.t.b, setvar(i, 0)->Column#13", "Group#3 Schema:[test.t.b]", @@ -68,9 +68,9 @@ "SQL": "select b, @i:=@i+1 as ii from (select a, b, @i:=0 from t as t1) as t2 where @i < 10 and a > 10", "Result": [ "Group#0 Schema:[test.t.b,Column#14]", - " Projection_4 input:[Group#1], test.t.b, setvar(i, cast(plus(cast(getvar(i), double BINARY), 1), var_string(5)))->Column#14", + " Projection_4 input:[Group#1], test.t.b, setvar(i, plus(getvar(i), 1))->Column#14", "Group#1 Schema:[test.t.a,test.t.b,Column#13]", - " Selection_6 input:[Group#2], lt(cast(getvar(\"i\")), 10)", + " Selection_6 input:[Group#2], lt(getvar(\"i\"), 10)", "Group#2 Schema:[test.t.a,test.t.b,Column#13]", " Projection_2 input:[Group#3], test.t.a, test.t.b, setvar(i, 0)->Column#13", "Group#3 Schema:[test.t.a,test.t.b]", @@ -495,7 +495,7 @@ "Group#1 Schema:[Column#13,Column#14]", " TopN_7 input:[Group#2], Column#13:desc, offset:0, count:1", "Group#2 Schema:[Column#13,Column#14]", - " Projection_2 input:[Group#3], getvar(i)->Column#13, setvar(i, cast(plus(cast(getvar(i), double BINARY), 1), var_string(5)))->Column#14", + " Projection_2 input:[Group#3], getvar(i)->Column#13, setvar(i, plus(getvar(i), 1))->Column#14", "Group#3 Schema:[test.t.a]", " TiKVSingleGather_9 input:[Group#4], table:t", " TiKVSingleGather_21 input:[Group#5], table:t, index:e_d_c_str_prefix", diff --git a/planner/core/cache.go b/planner/core/cache.go index 8f37a59a8c9b3..d2c8a0b2ee7a3 100644 --- a/planner/core/cache.go +++ b/planner/core/cache.go @@ -146,23 +146,45 @@ func NewPSTMTPlanCacheKey(sessionVars *variable.SessionVars, pstmtID uint32, sch return key } +// FieldSlice is the slice of the types.FieldType +type FieldSlice []types.FieldType + +// Equal compares FieldSlice with []*types.FieldType +func (s FieldSlice) Equal(tps []*types.FieldType) bool { + if len(s) != len(tps) { + return false + } + for i := range tps { + if !s[i].Equal(tps[i]) { + return false + } + } + return true +} + // PSTMTPlanCacheValue stores the cached Statement and StmtNode. type PSTMTPlanCacheValue struct { Plan Plan OutPutNames []*types.FieldName TblInfo2UnionScan map[*model.TableInfo]bool + UserVarTypes FieldSlice } // NewPSTMTPlanCacheValue creates a SQLCacheValue. -func NewPSTMTPlanCacheValue(plan Plan, names []*types.FieldName, srcMap map[*model.TableInfo]bool) *PSTMTPlanCacheValue { +func NewPSTMTPlanCacheValue(plan Plan, names []*types.FieldName, srcMap map[*model.TableInfo]bool, userVarTps []*types.FieldType) *PSTMTPlanCacheValue { dstMap := make(map[*model.TableInfo]bool) for k, v := range srcMap { dstMap[k] = v } + userVarTypes := make([]types.FieldType, len(userVarTps)) + for i, tp := range userVarTps { + userVarTypes[i] = *tp + } return &PSTMTPlanCacheValue{ Plan: plan, OutPutNames: names, TblInfo2UnionScan: dstMap, + UserVarTypes: userVarTypes, } } diff --git a/planner/core/common_plans.go b/planner/core/common_plans.go index 107eea6352269..7640b23cfc744 100644 --- a/planner/core/common_plans.go +++ b/planner/core/common_plans.go @@ -282,6 +282,14 @@ func (e *Execute) getPhysicalPlan(ctx context.Context, sctx sessionctx.Context, if prepared.UseCache { cacheKey = NewPSTMTPlanCacheKey(sctx.GetSessionVars(), e.ExecID, prepared.SchemaVersion) } + tps := make([]*types.FieldType, len(e.UsingVars)) + for i, param := range e.UsingVars { + name := param.(*expression.ScalarFunction).GetArgs()[0].String() + tps[i] = sctx.GetSessionVars().UserVarTypes[name] + if tps[i] == nil { + tps[i] = types.NewFieldType(mysql.TypeNull) + } + } if prepared.CachedPlan != nil { // Rewriting the expression in the select.where condition will convert its // type from "paramMarker" to "Constant".When Point Select queries are executed, @@ -313,36 +321,42 @@ func (e *Execute) getPhysicalPlan(ctx context.Context, sctx sessionctx.Context, if err := e.checkPreparedPriv(ctx, sctx, preparedStmt, is); err != nil { return err } - cachedVal := cacheValue.(*PSTMTPlanCacheValue) - planValid := true - for tblInfo, unionScan := range cachedVal.TblInfo2UnionScan { - if !unionScan && tableHasDirtyContent(sctx, tblInfo) { - planValid = false - // TODO we can inject UnionScan into cached plan to avoid invalidating it, though - // rebuilding the filters in UnionScan is pretty trivial. - sctx.PreparedPlanCache().Delete(cacheKey) - break - } - } - if planValid { - err := e.rebuildRange(cachedVal.Plan) - if err != nil { - logutil.BgLogger().Debug("rebuild range failed", zap.Error(err)) - goto REBUILD + cachedVals := cacheValue.([]*PSTMTPlanCacheValue) + for _, cachedVal := range cachedVals { + if !cachedVal.UserVarTypes.Equal(tps) { + continue } - err = e.setFoundInPlanCache(sctx, true) - if err != nil { - return err + planValid := true + for tblInfo, unionScan := range cachedVal.TblInfo2UnionScan { + if !unionScan && tableHasDirtyContent(sctx, tblInfo) { + planValid = false + // TODO we can inject UnionScan into cached plan to avoid invalidating it, though + // rebuilding the filters in UnionScan is pretty trivial. + sctx.PreparedPlanCache().Delete(cacheKey) + break + } } - if metrics.ResettablePlanCacheCounterFortTest { - metrics.PlanCacheCounter.WithLabelValues("prepare").Inc() - } else { - planCacheCounter.Inc() + if planValid { + err := e.rebuildRange(cachedVal.Plan) + if err != nil { + logutil.BgLogger().Debug("rebuild range failed", zap.Error(err)) + goto REBUILD + } + err = e.setFoundInPlanCache(sctx, true) + if err != nil { + return err + } + if metrics.ResettablePlanCacheCounterFortTest { + metrics.PlanCacheCounter.WithLabelValues("prepare").Inc() + } else { + planCacheCounter.Inc() + } + e.names = cachedVal.OutPutNames + e.Plan = cachedVal.Plan + stmtCtx.SetPlanDigest(preparedStmt.NormalizedPlan, preparedStmt.PlanDigest) + return nil } - e.names = cachedVal.OutPutNames - e.Plan = cachedVal.Plan - stmtCtx.SetPlanDigest(preparedStmt.NormalizedPlan, preparedStmt.PlanDigest) - return nil + break } } } @@ -361,10 +375,25 @@ REBUILD: e.Plan = p _, isTableDual := p.(*PhysicalTableDual) if !isTableDual && prepared.UseCache { - cached := NewPSTMTPlanCacheValue(p, names, stmtCtx.TblInfo2UnionScan) + cached := NewPSTMTPlanCacheValue(p, names, stmtCtx.TblInfo2UnionScan, tps) preparedStmt.NormalizedPlan, preparedStmt.PlanDigest = NormalizePlan(p) stmtCtx.SetPlanDigest(preparedStmt.NormalizedPlan, preparedStmt.PlanDigest) - sctx.PreparedPlanCache().Put(cacheKey, cached) + if cacheVals, exists := sctx.PreparedPlanCache().Get(cacheKey); exists { + hitVal := false + for i, cacheVal := range cacheVals.([]*PSTMTPlanCacheValue) { + if cacheVal.UserVarTypes.Equal(tps) { + hitVal = true + cacheVals.([]*PSTMTPlanCacheValue)[i] = cached + break + } + } + if !hitVal { + cacheVals = append(cacheVals.([]*PSTMTPlanCacheValue), cached) + } + sctx.PreparedPlanCache().Put(cacheKey, cacheVals) + } else { + sctx.PreparedPlanCache().Put(cacheKey, []*PSTMTPlanCacheValue{cached}) + } } err = e.setFoundInPlanCache(sctx, false) return err diff --git a/planner/core/expression_rewriter.go b/planner/core/expression_rewriter.go index a8e04c2999bd2..de881e482be53 100644 --- a/planner/core/expression_rewriter.go +++ b/planner/core/expression_rewriter.go @@ -1158,17 +1158,27 @@ func (er *expressionRewriter) rewriteVariable(v *ast.VariableExpr) { sessionVars := er.b.ctx.GetSessionVars() if !v.IsSystem { if v.Value != nil { - er.ctxStack[stkLen-1], er.err = er.newFunction(ast.SetVar, - er.ctxStack[stkLen-1].GetType(), + tp := er.ctxStack[stkLen-1].GetType() + er.ctxStack[stkLen-1], er.err = er.newFunction(ast.SetVar, tp, expression.DatumToConstant(types.NewDatum(name), mysql.TypeString), er.ctxStack[stkLen-1]) er.ctxNameStk[stkLen-1] = types.EmptyName + // Store the field type of the variable into SessionVars.UserVarTypes. + // Normally we can infer the type from SessionVars.User, but we need SessionVars.UserVarTypes when + // GetVar has not been executed to fill the SessionVars.Users. + sessionVars.UsersLock.Lock() + sessionVars.UserVarTypes[name] = tp + sessionVars.UsersLock.Unlock() return } - f, err := er.newFunction(ast.GetVar, - // TODO: Here is wrong, the sessionVars should store a name -> Datum map. Will fix it later. - types.NewFieldType(mysql.TypeString), - expression.DatumToConstant(types.NewStringDatum(name), mysql.TypeString)) + sessionVars.UsersLock.RLock() + tp, ok := sessionVars.UserVarTypes[name] + sessionVars.UsersLock.RUnlock() + if !ok { + tp = types.NewFieldType(mysql.TypeVarString) + tp.Flen = mysql.MaxFieldVarCharLength + } + f, err := er.newFunction(ast.GetVar, tp, expression.DatumToConstant(types.NewStringDatum(name), mysql.TypeString)) if err != nil { er.err = err return diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index c9c8ebf1100bc..b7043dea2f630 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -1021,6 +1021,50 @@ func (b *PlanBuilder) buildProjectionField(ctx context.Context, p LogicalPlan, f return newCol, name, nil } +type userVarTypeProcessor struct { + ctx context.Context + plan LogicalPlan + builder *PlanBuilder + mapper map[*ast.AggregateFuncExpr]int + err error +} + +func (p *userVarTypeProcessor) Enter(in ast.Node) (ast.Node, bool) { + v, ok := in.(*ast.VariableExpr) + if !ok { + return in, false + } + if v.IsSystem || v.Value == nil { + return in, true + } + _, p.plan, p.err = p.builder.rewrite(p.ctx, v, p.plan, p.mapper, true) + return in, true +} + +func (p *userVarTypeProcessor) Leave(in ast.Node) (ast.Node, bool) { + return in, p.err == nil +} + +func (b *PlanBuilder) preprocessUserVarTypes(ctx context.Context, p LogicalPlan, fields []*ast.SelectField, mapper map[*ast.AggregateFuncExpr]int) error { + aggMapper := make(map[*ast.AggregateFuncExpr]int) + for agg, i := range mapper { + aggMapper[agg] = i + } + processor := userVarTypeProcessor{ + ctx: ctx, + plan: p, + builder: b, + mapper: aggMapper, + } + for _, field := range fields { + field.Expr.Accept(&processor) + if processor.err != nil { + return processor.err + } + } + return nil +} + // findColFromNaturalUsingJoin is used to recursively find the column from the // underlying natural-using-join. // e.g. For SQL like `select t2.a from t1 join t2 using(a) where t2.a > 0`, the @@ -1042,6 +1086,10 @@ func findColFromNaturalUsingJoin(p LogicalPlan, col *expression.Column) (name *t // buildProjection returns a Projection plan and non-aux columns length. func (b *PlanBuilder) buildProjection(ctx context.Context, p LogicalPlan, fields []*ast.SelectField, mapper map[*ast.AggregateFuncExpr]int, windowMapper map[*ast.WindowFuncExpr]int, considerWindow bool, expandGenerateColumn bool) (LogicalPlan, int, error) { + err := b.preprocessUserVarTypes(ctx, p, fields, mapper) + if err != nil { + return nil, 0, err + } b.optFlag |= flagEliminateProjection b.curClause = fieldList proj := LogicalProjection{Exprs: make([]expression.Expression, 0, len(fields))}.Init(b.ctx, b.getSelectOffset()) diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index 7156a6f562d53..5c1705f33eb34 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -1002,7 +1002,12 @@ func (b *PlanBuilder) buildPrepare(x *ast.PrepareStmt) Plan { } if x.SQLVar != nil { if v, ok := b.ctx.GetSessionVars().Users[strings.ToLower(x.SQLVar.Name)]; ok { - p.SQLText = v.GetString() + var err error + p.SQLText, err = v.ToString() + if err != nil { + b.ctx.GetSessionVars().StmtCtx.AppendWarning(err) + p.SQLText = "NULL" + } } else { p.SQLText = "NULL" } diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 0ae6d2e4f4f95..790f6e036c1ed 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -370,6 +370,9 @@ type SessionVars struct { UsersLock sync.RWMutex // Users are user defined variables. Users map[string]types.Datum + // UserVarTypes stores the FieldType for user variables, it cannot be inferred from Users when Users have not been set yet. + // It is read/write protected by UsersLock. + UserVarTypes map[string]*types.FieldType // systems variables, don't modify it directly, use GetSystemVar/SetSystemVar method. systems map[string]string // stmtVars variables are temporarily set by SET_VAR hint @@ -812,6 +815,7 @@ type ConnectionInfo struct { func NewSessionVars() *SessionVars { vars := &SessionVars{ Users: make(map[string]types.Datum), + UserVarTypes: make(map[string]*types.FieldType), systems: make(map[string]string), stmtVars: make(map[string]string), PreparedStmts: make(map[uint32]interface{}), From a426a0e5ff45300bed9b7e569d2004c3401ec401 Mon Sep 17 00:00:00 2001 From: dy <34701401+dyzsr@users.noreply.github.com> Date: Tue, 17 Nov 2020 18:33:53 +0800 Subject: [PATCH 0239/1021] planner: disallow multi-updates on primary key (#20603) --- errors.toml | 5 ++++ executor/executor_test.go | 8 +++--- planner/core/errors.go | 1 + planner/core/integration_test.go | 35 +++++++++++++++++++++++ planner/core/logical_plan_builder.go | 16 +++++++++++ planner/core/testdata/plan_suite_in.json | 4 +-- planner/core/testdata/plan_suite_out.json | 4 +-- 7 files changed, 65 insertions(+), 8 deletions(-) diff --git a/errors.toml b/errors.toml index 0b4e353f97fff..cef0539d0ae67 100644 --- a/errors.toml +++ b/errors.toml @@ -891,6 +891,11 @@ error = ''' `%-.192s`.`%-.192s` contains view recursion ''' +["planner:1706"] +error = ''' +Primary key/partition key update is not allowed since the table is updated both as '%-.192s' and '%-.192s'. +''' + ["planner:1747"] error = ''' PARTITION () clause on non partitioned table diff --git a/executor/executor_test.go b/executor/executor_test.go index 1987bde05c43b..a84876b2ffba9 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -1984,16 +1984,16 @@ func (s *testSuiteP1) TestGeneratedColumnRead(c *C) { result.Check(testkit.Rows(`0 `, `1 3 2 6`, `3 7 12 14`, `8 16 64 32`)) // Test multi-update on generated columns. - tk.MustExec(`UPDATE test_gc_read m, test_gc_read n SET m.a = m.a + 10, n.a = n.a + 10`) + tk.MustExec(`UPDATE test_gc_read m, test_gc_read n SET m.b = m.b + 10, n.b = n.b + 10`) result = tk.MustQuery(`SELECT * FROM test_gc_read ORDER BY a`) - result.Check(testkit.Rows(`10 `, `11 2 13 22 26`, `13 4 17 52 34`, `18 8 26 144 52`)) + result.Check(testkit.Rows(`0 `, `1 12 13 12 26`, `3 14 17 42 34`, `8 18 26 144 52`)) tk.MustExec("drop table if exists t") tk.MustExec("create table t(a int)") - tk.MustExec("insert into t values(18)") + tk.MustExec("insert into t values(8)") tk.MustExec("update test_gc_read set a = a+1 where a in (select a from t)") result = tk.MustQuery("select * from test_gc_read order by a") - result.Check(testkit.Rows(`10 `, `11 2 13 22 26`, `13 4 17 52 34`, `19 8 27 152 54`)) + result.Check(testkit.Rows(`0 `, `1 12 13 12 26`, `3 14 17 42 34`, `9 18 27 162 54`)) // Test different types between generation expression and generated column. tk.MustExec(`CREATE TABLE test_gc_read_cast(a VARCHAR(255), b VARCHAR(255), c INT AS (JSON_EXTRACT(a, b)), d INT AS (JSON_EXTRACT(a, b)) STORED)`) diff --git a/planner/core/errors.go b/planner/core/errors.go index 52338a23b096c..8231a0932c151 100644 --- a/planner/core/errors.go +++ b/planner/core/errors.go @@ -45,6 +45,7 @@ var ( ErrWrongGroupField = dbterror.ClassOptimizer.NewStd(mysql.ErrWrongGroupField) ErrDupFieldName = dbterror.ClassOptimizer.NewStd(mysql.ErrDupFieldName) ErrNonUpdatableTable = dbterror.ClassOptimizer.NewStd(mysql.ErrNonUpdatableTable) + ErrMultiUpdateKeyConflict = dbterror.ClassOptimizer.NewStd(mysql.ErrMultiUpdateKeyConflict) ErrInternal = dbterror.ClassOptimizer.NewStd(mysql.ErrInternal) ErrNonUniqTable = dbterror.ClassOptimizer.NewStd(mysql.ErrNonuniqTable) ErrWindowInvalidWindowFuncUse = dbterror.ClassOptimizer.NewStd(mysql.ErrWindowInvalidWindowFuncUse) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 826cbbfbb8475..656943ec7a569 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1857,3 +1857,38 @@ func (s *testIntegrationSuite) TestIssue10448(c *C) { tk.MustExec("insert into t values(1),(2),(3)") tk.MustQuery("select a from (select pk as a from t) t1 where a = 18446744073709551615").Check(testkit.Rows()) } + +func (s *testIntegrationSuite) TestUpdateMultiUpdatePK(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int not null primary key)") + tk.MustExec("insert into t values (1)") + tk.MustGetErrMsg(`UPDATE t m, t n SET m.a = m.a + 10, n.a = n.a + 10`, + `[planner:1706]Primary key/partition key update is not allowed since the table is updated both as 'm' and 'n'.`) + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a varchar(10) not null primary key)") + tk.MustExec("insert into t values ('abc')") + tk.MustGetErrMsg(`UPDATE t m, t n SET m.a = 'def', n.a = 'xyz'`, + `[planner:1706]Primary key/partition key update is not allowed since the table is updated both as 'm' and 'n'.`) + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int, b int, primary key (a, b))") + tk.MustExec("insert into t values (1, 2)") + tk.MustGetErrMsg(`UPDATE t m, t n SET m.a = m.a + 10, n.b = n.b + 10`, + `[planner:1706]Primary key/partition key update is not allowed since the table is updated both as 'm' and 'n'.`) + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int primary key, b int)") + tk.MustExec("insert into t values (1, 2)") + tk.MustGetErrMsg(`UPDATE t m, t n SET m.a = m.a + 10, n.a = n.a + 10`, + `[planner:1706]Primary key/partition key update is not allowed since the table is updated both as 'm' and 'n'.`) + + tk.MustExec(`UPDATE t m, t n SET m.b = m.b + 10, n.b = n.b + 10`) + tk.MustQuery("SELECT * FROM t").Check(testkit.Rows("1 12")) + + tk.MustExec(`UPDATE t m, t n SET m.a = m.a + 1, n.b = n.b + 10`) + tk.MustQuery("SELECT * FROM t").Check(testkit.Rows("2 12")) +} diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index b7043dea2f630..f263a5ae58238 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -3800,13 +3800,29 @@ func checkUpdateList(ctx sessionctx.Context, tblID2table map[int64]table.Table, if err != nil { return err } + isPKUpdated := make(map[int64]model.CIStr) for _, content := range updt.TblColPosInfos { tbl := tblID2table[content.TblID] flags := assignFlags[content.Start:content.End] + var updatePK bool for i, col := range tbl.WritableCols() { if flags[i] && col.State != model.StatePublic { return ErrUnknownColumn.GenWithStackByArgs(col.Name, clauseMsg[fieldList]) } + // Check for multi-updates on primary key, + // see https://dev.mysql.com/doc/mysql-errors/5.7/en/server-error-reference.html#error_er_multi_update_key_conflict + if !flags[i] { + continue + } + if col.IsPKHandleColumn(tbl.Meta()) || col.IsCommonHandleColumn(tbl.Meta()) { + updatePK = true + } + } + if updatePK { + if otherTblName, ok := isPKUpdated[tbl.Meta().ID]; ok { + return ErrMultiUpdateKeyConflict.GenWithStackByArgs(otherTblName.O, updt.names[content.Start].TblName.O) + } + isPKUpdated[tbl.Meta().ID] = updt.names[content.Start].TblName } } return nil diff --git a/planner/core/testdata/plan_suite_in.json b/planner/core/testdata/plan_suite_in.json index 22e77d4f6e792..e2a62fb8112cb 100644 --- a/planner/core/testdata/plan_suite_in.json +++ b/planner/core/testdata/plan_suite_in.json @@ -250,8 +250,8 @@ // Test join hint for delete and update "delete /*+ TIDB_INLJ(t1, t2) */ t1 from t t1, t t2 where t1.c=t2.c", "delete /*+ TIDB_SMJ(t1, t2) */ from t1 using t t1, t t2 where t1.c=t2.c", - "update /*+ TIDB_SMJ(t1, t2) */ t t1, t t2 set t1.a=1, t2.a=1 where t1.a=t2.a", - "update /*+ TIDB_HJ(t1, t2) */ t t1, t t2 set t1.a=1, t2.a=1 where t1.a=t2.a", + "update /*+ TIDB_SMJ(t1, t2) */ t t1, t t2 set t1.c=1, t2.a=1 where t1.a=t2.a", + "update /*+ TIDB_HJ(t1, t2) */ t t1, t t2 set t1.c=1, t2.a=1 where t1.a=t2.a", // Test complex delete. "delete from t where b < 1 order by d limit 1", // Test simple delete. diff --git a/planner/core/testdata/plan_suite_out.json b/planner/core/testdata/plan_suite_out.json index 5a60d84223e14..75ffa492dc74a 100644 --- a/planner/core/testdata/plan_suite_out.json +++ b/planner/core/testdata/plan_suite_out.json @@ -685,12 +685,12 @@ "Hints": "use_index(@`del_1` `test`.`t1` `c_d_e`), use_index(@`del_1` `test`.`t2` `c_d_e`), merge_join(@`del_1` `test`.`t1`)" }, { - "SQL": "update /*+ TIDB_SMJ(t1, t2) */ t t1, t t2 set t1.a=1, t2.a=1 where t1.a=t2.a", + "SQL": "update /*+ TIDB_SMJ(t1, t2) */ t t1, t t2 set t1.c=1, t2.a=1 where t1.a=t2.a", "Best": "MergeInnerJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)->Update", "Hints": "use_index(@`upd_1` `test`.`t1` ), use_index(@`upd_1` `test`.`t2` ), merge_join(@`upd_1` `test`.`t1`)" }, { - "SQL": "update /*+ TIDB_HJ(t1, t2) */ t t1, t t2 set t1.a=1, t2.a=1 where t1.a=t2.a", + "SQL": "update /*+ TIDB_HJ(t1, t2) */ t t1, t t2 set t1.c=1, t2.a=1 where t1.a=t2.a", "Best": "LeftHashJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)->Update", "Hints": "use_index(@`upd_1` `test`.`t1` ), use_index(@`upd_1` `test`.`t2` ), hash_join(@`upd_1` `test`.`t1`)" }, From f55aa047136800846fc433553a81482882cef2c5 Mon Sep 17 00:00:00 2001 From: Rain Li Date: Wed, 18 Nov 2020 19:27:52 +0800 Subject: [PATCH 0240/1021] ddl: fix partition value type check (#21016) --- ddl/db_partition_test.go | 93 +++++++++++++++++++++++++++++++++++++++- ddl/ddl_api.go | 24 ++++++++++- 2 files changed, 115 insertions(+), 2 deletions(-) diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index 09a28bb9f94b0..d9e325e931c25 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -825,7 +825,7 @@ func (s *testIntegrationSuite5) TestAlterTableAddPartitionByListColumns(c *C) { ddl.ErrMultipleDefConstInListPart, }, {"alter table t add partition (partition p6 values in (('a','a')))", - ddl.ErrNotAllowedTypeInPartition, + ddl.ErrWrongTypeColumnValue, }, } @@ -2866,3 +2866,94 @@ func (s *testIntegrationSuite7) TestCommitWhenSchemaChange(c *C) { tk.MustExec("admin check table nt") tk.MustQuery("select * from nt").Check(testkit.Rows()) } + +func (s *testIntegrationSuite7) TestCreatePartitionTableWithWrongType(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + var err error + _, err = tk.Exec(`create table t( + b int(10) + ) partition by range columns (b) ( + partition p0 values less than (0x10), + partition p3 values less than (0x20) + )`) + c.Assert(err, NotNil) + c.Assert(ddl.ErrWrongTypeColumnValue.Equal(err), IsTrue) + + _, err = tk.Exec(`create table t( + b int(10) + ) partition by range columns (b) ( + partition p0 values less than ('g'), + partition p3 values less than ('k') + )`) + c.Assert(err, NotNil) + c.Assert(ddl.ErrWrongTypeColumnValue.Equal(err), IsTrue) + + _, err = tk.Exec(`create table t( + b char(10) + ) partition by range columns (b) ( + partition p0 values less than (30), + partition p3 values less than (60) + )`) + c.Assert(err, NotNil) + c.Assert(ddl.ErrWrongTypeColumnValue.Equal(err), IsTrue) + + _, err = tk.Exec(`create table t( + b datetime + ) partition by range columns (b) ( + partition p0 values less than ('g'), + partition p3 values less than ('m') + )`) + c.Assert(err, NotNil) +} + +func (s *testIntegrationSuite7) TestAddPartitionForTableWithWrongType(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop tables if exists t_int, t_char, t_date") + tk.MustExec(`create table t_int(b int(10)) + partition by range columns (b) ( + partition p0 values less than (10) + )`) + + tk.MustExec(`create table t_char(b char(10)) + partition by range columns (b) ( + partition p0 values less than ('a') + )`) + + tk.MustExec(`create table t_date(b datetime) + partition by range columns (b) ( + partition p0 values less than ('2020-09-01') + )`) + + var err error + + _, err = tk.Exec("alter table t_int add partition (partition p1 values less than ('g'))") + c.Assert(err, NotNil) + c.Assert(ddl.ErrWrongTypeColumnValue.Equal(err), IsTrue) + + _, err = tk.Exec("alter table t_int add partition (partition p1 values less than (0x20))") + c.Assert(err, NotNil) + c.Assert(ddl.ErrWrongTypeColumnValue.Equal(err), IsTrue) + + _, err = tk.Exec("alter table t_char add partition (partition p1 values less than (0x20))") + c.Assert(err, NotNil) + c.Assert(ddl.ErrWrongTypeColumnValue.Equal(err), IsTrue) + + _, err = tk.Exec("alter table t_char add partition (partition p1 values less than (10))") + c.Assert(err, NotNil) + c.Assert(ddl.ErrWrongTypeColumnValue.Equal(err), IsTrue) + + _, err = tk.Exec("alter table t_date add partition (partition p1 values less than ('m'))") + c.Assert(err, NotNil) + c.Assert(ddl.ErrWrongTypeColumnValue.Equal(err), IsTrue) + + _, err = tk.Exec("alter table t_date add partition (partition p1 values less than (0x20))") + c.Assert(err, NotNil) + c.Assert(ddl.ErrWrongTypeColumnValue.Equal(err), IsTrue) + + _, err = tk.Exec("alter table t_date add partition (partition p1 values less than (20))") + c.Assert(err, NotNil) + c.Assert(ddl.ErrWrongTypeColumnValue.Equal(err), IsTrue) +} diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index ad67066ee8b3f..74a53702eb7f8 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -5288,10 +5288,32 @@ func checkColumnsTypeAndValuesMatch(ctx sessionctx.Context, meta *model.TableInf return err } // Check val.ConvertTo(colType) doesn't work, so we need this case by case check. + vkind := val.Kind() switch colType.Tp { case mysql.TypeDate, mysql.TypeDatetime: - switch val.Kind() { + switch vkind { case types.KindString, types.KindBytes: + if _, err := val.ConvertTo(ctx.GetSessionVars().StmtCtx, colType); err != nil { + return ErrWrongTypeColumnValue.GenWithStackByArgs() + } + default: + return ErrWrongTypeColumnValue.GenWithStackByArgs() + } + case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: + switch vkind { + case types.KindInt64, types.KindUint64, types.KindNull: + default: + return ErrWrongTypeColumnValue.GenWithStackByArgs() + } + case mysql.TypeFloat, mysql.TypeDouble: + switch vkind { + case types.KindFloat32, types.KindFloat64, types.KindNull: + default: + return ErrWrongTypeColumnValue.GenWithStackByArgs() + } + case mysql.TypeString, mysql.TypeVarString: + switch vkind { + case types.KindString, types.KindBytes, types.KindNull: default: return ErrWrongTypeColumnValue.GenWithStackByArgs() } From e6e894dcc409e6414487f837cdfe16db301289db Mon Sep 17 00:00:00 2001 From: Rain Li Date: Thu, 19 Nov 2020 10:58:45 +0800 Subject: [PATCH 0241/1021] executor: add missing update table delta for TxnCtx (#20982) --- executor/batch_point_get.go | 9 +- executor/executor.go | 18 ++++ executor/executor_test.go | 150 +++++++++++++++++++++++++++++++++ executor/point_get.go | 3 + sessionctx/variable/session.go | 9 ++ 5 files changed, 188 insertions(+), 1 deletion(-) diff --git a/executor/batch_point_get.go b/executor/batch_point_get.go index 3b7e1694101fd..826a88d3aacdf 100644 --- a/executor/batch_point_get.go +++ b/executor/batch_point_get.go @@ -139,6 +139,9 @@ func (e *BatchPointGetExec) Next(ctx context.Context, req *chunk.Chunk) error { if err := e.initialize(ctx); err != nil { return err } + if e.lock { + e.updateDeltaForTableID(e.tblInfo.ID) + } } if e.index >= len(e.values) { @@ -232,7 +235,11 @@ func (e *BatchPointGetExec) initialize(ctx context.Context) error { } e.handles = append(e.handles, handle) if e.tblInfo.Partition != nil { - e.physIDs = append(e.physIDs, tablecodec.DecodeTableID(key)) + pid := tablecodec.DecodeTableID(key) + e.physIDs = append(e.physIDs, pid) + if e.lock { + e.updateDeltaForTableID(pid) + } } } diff --git a/executor/executor.go b/executor/executor.go index 2102f3ca1fabf..8f211050cc251 100644 --- a/executor/executor.go +++ b/executor/executor.go @@ -203,6 +203,12 @@ func (e *baseExecutor) Next(ctx context.Context, req *chunk.Chunk) error { return nil } +func (e *baseExecutor) updateDeltaForTableID(id int64) { + txnCtx := e.ctx.GetSessionVars().TxnCtx + udpp := e.ctx.GetSessionVars().UseDynamicPartitionPrune() + txnCtx.UpdateDeltaForTable(id, id, 0, 0, map[int64]int64{}, udpp) +} + func newBaseExecutor(ctx sessionctx.Context, schema *expression.Schema, id int, children ...Executor) baseExecutor { e := baseExecutor{ children: children, @@ -943,6 +949,18 @@ func (e *SelectLockExec) Next(ctx context.Context, req *chunk.Chunk) error { lockWaitTime = int64(e.Lock.WaitSec) * 1000 } + if len(e.tblID2Handle) > 0 { + for id := range e.tblID2Handle { + e.updateDeltaForTableID(id) + } + } + if len(e.partitionedTable) > 0 { + for _, p := range e.partitionedTable { + pid := p.Meta().ID + e.updateDeltaForTableID(pid) + } + } + return doLockKeys(ctx, e.ctx, newLockCtx(e.ctx.GetSessionVars(), lockWaitTime), e.keys...) } diff --git a/executor/executor_test.go b/executor/executor_test.go index a84876b2ffba9..f36cd4a021246 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6865,3 +6865,153 @@ func (s *testSuite) TestIssue19667(c *C) { tk.MustExec("INSERT INTO t VALUES('1988-04-17 01:59:59')") tk.MustQuery(`SELECT DATE_ADD(a, INTERVAL 1 SECOND) FROM t`).Check(testkit.Rows("1988-04-17 02:00:00")) } + +func issue20975Prepare(c *C, store kv.Storage) (*testkit.TestKit, *testkit.TestKit) { + tk1 := testkit.NewTestKit(c, store) + tk2 := testkit.NewTestKit(c, store) + tk1.MustExec("use test") + tk1.MustExec("drop table if exists t1, t2") + tk2.MustExec("use test") + tk1.MustExec("create table t1(id int primary key, c int)") + tk1.MustExec("insert into t1 values(1, 10), (2, 20)") + return tk1, tk2 +} + +func (s *testSuite) TestIssue20975UpdateNoChange(c *C) { + tk1, tk2 := issue20975Prepare(c, s.store) + tk1.MustExec("begin pessimistic") + tk1.MustExec("update t1 set c=c") + tk2.MustExec("create table t2(a int)") + tk1.MustExec("commit") +} + +func (s *testSuite) TestIssue20975SelectForUpdate(c *C) { + tk1, tk2 := issue20975Prepare(c, s.store) + tk1.MustExec("begin") + tk1.MustExec("select * from t1 for update") + tk2.MustExec("create table t2(a int)") + tk1.MustExec("commit") + + tk1.MustExec("begin pessimistic") + tk1.MustExec("select * from t1 for update") + tk2.MustExec("drop table t2") + tk1.MustExec("commit") +} + +func (s *testSuite) TestIssue20975SelectForUpdatePointGet(c *C) { + tk1, tk2 := issue20975Prepare(c, s.store) + tk1.MustExec("begin") + tk1.MustExec("select * from t1 where id=1 for update") + tk2.MustExec("create table t2(a int)") + tk1.MustExec("commit") + + tk1.MustExec("begin pessimistic") + tk1.MustExec("select * from t1 where id=1 for update") + tk2.MustExec("drop table t2") + tk1.MustExec("commit") +} + +func (s *testSuite) TestIssue20975SelectForUpdateBatchPointGet(c *C) { + tk1, tk2 := issue20975Prepare(c, s.store) + tk1.MustExec("begin") + tk1.MustExec("select * from t1 where id in (1, 2) for update") + tk2.MustExec("create table t2(a int)") + tk1.MustExec("commit") + + tk1.MustExec("begin pessimistic") + tk1.MustExec("select * from t1 where id in (1, 2) for update") + tk2.MustExec("drop table t2") + tk1.MustExec("commit") +} + +func issue20975PreparePartitionTable(c *C, store kv.Storage) (*testkit.TestKit, *testkit.TestKit) { + tk1 := testkit.NewTestKit(c, store) + tk2 := testkit.NewTestKit(c, store) + tk1.MustExec("use test") + tk1.MustExec("drop table if exists t1, t2") + tk2.MustExec("use test") + tk1.MustExec(`create table t1(id int primary key, c int) partition by range (id) ( + partition p1 values less than (10), + partition p2 values less than (20) + )`) + tk1.MustExec("insert into t1 values(1, 10), (2, 20), (11, 30), (12, 40)") + return tk1, tk2 +} + +func (s *testSuite) TestIssue20975UpdateNoChangeWithPartitionTable(c *C) { + tk1, tk2 := issue20975PreparePartitionTable(c, s.store) + tk1.MustExec("begin pessimistic") + tk1.MustExec("update t1 set c=c") + tk2.MustExec("create table t2(a int)") + tk1.MustExec("commit") +} + +func (s *testSuite) TestIssue20975SelectForUpdateWithPartitionTable(c *C) { + tk1, tk2 := issue20975PreparePartitionTable(c, s.store) + tk1.MustExec("begin") + tk1.MustExec("select * from t1 for update") + tk2.MustExec("create table t2(a int)") + tk1.MustExec("commit") + + tk1.MustExec("begin pessimistic") + tk1.MustExec("select * from t1 for update") + tk2.MustExec("drop table t2") + tk1.MustExec("commit") +} + +func (s *testSuite) TestIssue20975SelectForUpdatePointGetWithPartitionTable(c *C) { + tk1, tk2 := issue20975PreparePartitionTable(c, s.store) + tk1.MustExec("begin") + tk1.MustExec("select * from t1 where id=1 for update") + tk2.MustExec("create table t2(a int)") + tk1.MustExec("commit") + + tk1.MustExec("begin") + tk1.MustExec("select * from t1 where id=12 for update") + tk2.MustExec("drop table t2") + tk1.MustExec("commit") + + tk1.MustExec("begin pessimistic") + tk1.MustExec("select * from t1 where id=1 for update") + tk2.MustExec("create table t2(a int)") + tk1.MustExec("commit") + + tk1.MustExec("begin pessimistic") + tk1.MustExec("select * from t1 where id=12 for update") + tk2.MustExec("drop table t2") + tk1.MustExec("commit") +} + +func (s *testSuite) TestIssue20975SelectForUpdateBatchPointGetWithPartitionTable(c *C) { + tk1, tk2 := issue20975PreparePartitionTable(c, s.store) + tk1.MustExec("begin") + tk1.MustExec("select * from t1 where id in (1, 2) for update") + tk2.MustExec("create table t2(a int)") + tk1.MustExec("commit") + + tk1.MustExec("begin") + tk1.MustExec("select * from t1 where id in (11, 12) for update") + tk2.MustExec("drop table t2") + tk1.MustExec("commit") + + tk1.MustExec("begin") + tk1.MustExec("select * from t1 where id in (1, 11) for update") + tk2.MustExec("create table t2(a int)") + tk1.MustExec("commit") + + tk1.MustExec("begin pessimistic") + tk1.MustExec("select * from t1 where id in (1, 2) for update") + tk2.MustExec("drop table t2") + tk1.MustExec("commit") + + tk1.MustExec("begin pessimistic") + tk1.MustExec("select * from t1 where id in (11, 12) for update") + tk2.MustExec("create table t2(a int)") + tk1.MustExec("commit") + + tk1.MustExec("begin pessimistic") + tk1.MustExec("select * from t1 where id in (1, 11) for update") + tk2.MustExec("drop table t2") + tk1.MustExec("commit") + +} diff --git a/executor/point_get.go b/executor/point_get.go index 1dab17890b9ec..0dd73eec70b33 100644 --- a/executor/point_get.go +++ b/executor/point_get.go @@ -180,6 +180,9 @@ func (e *PointGetExecutor) Next(ctx context.Context, req *chunk.Chunk) error { } else { tblID = e.tblInfo.ID } + if e.lock { + e.updateDeltaForTableID(tblID) + } if e.idxInfo != nil { if isCommonHandleRead(e.tblInfo, e.idxInfo) { handleBytes, err := EncodeUniqueIndexValuesForKey(e.ctx, e.tblInfo, e.idxInfo, e.idxVals) diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 790f6e036c1ed..34e198237d5bc 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -171,6 +171,9 @@ type TransactionContext struct { LockExpire uint32 ForUpdate uint32 + // TableDeltaMap lock to prevent potential data race + tdmLock sync.Mutex + // TxnScope stores the value of 'txn_scope'. TxnScope string } @@ -221,6 +224,8 @@ func (tc *TransactionContext) CollectUnchangedRowKeys(buf []kv.Key) []kv.Key { // UpdateDeltaForTable updates the delta info for some table. func (tc *TransactionContext) UpdateDeltaForTable(logicalTableID, physicalTableID int64, delta int64, count int64, colSize map[int64]int64, saveAsLogicalTblID bool) { + tc.tdmLock.Lock() + defer tc.tdmLock.Unlock() if tc.TableDeltaMap == nil { tc.TableDeltaMap = make(map[int64]TableDelta) } @@ -265,13 +270,17 @@ func (tc *TransactionContext) Cleanup() { // tc.InfoSchema = nil; we cannot do it now, because some operation like handleFieldList depend on this. tc.Binlog = nil tc.History = nil + tc.tdmLock.Lock() tc.TableDeltaMap = nil + tc.tdmLock.Unlock() tc.pessimisticLockCache = nil } // ClearDelta clears the delta map. func (tc *TransactionContext) ClearDelta() { + tc.tdmLock.Lock() tc.TableDeltaMap = nil + tc.tdmLock.Unlock() } // GetForUpdateTS returns the ts for update. From c5caca14c57fe351f392f8ec17d55dec8b231ad6 Mon Sep 17 00:00:00 2001 From: Zejun Li Date: Thu, 19 Nov 2020 11:14:43 +0800 Subject: [PATCH 0242/1021] tikv: add size limit to batch get cache (#21015) Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com> --- store/tikv/snapshot.go | 25 +++++++++++++++++++++---- 1 file changed, 21 insertions(+), 4 deletions(-) diff --git a/store/tikv/snapshot.go b/store/tikv/snapshot.go index 3c34b47a79011..f13e45076e682 100644 --- a/store/tikv/snapshot.go +++ b/store/tikv/snapshot.go @@ -75,9 +75,10 @@ type tikvSnapshot struct { // It's OK as long as there are no zero-byte values in the protocol. mu struct { sync.RWMutex - hitCnt int64 - cached map[string][]byte - stats *SnapshotRuntimeStats + hitCnt int64 + cached map[string][]byte + cachedSize int + stats *SnapshotRuntimeStats } sampleStep uint32 } @@ -174,7 +175,23 @@ func (s *tikvSnapshot) BatchGet(ctx context.Context, keys []kv.Key) (map[string] s.mu.cached = make(map[string][]byte, len(m)) } for _, key := range keys { - s.mu.cached[string(key)] = m[string(key)] + val := m[string(key)] + s.mu.cachedSize += len(key) + len(val) + s.mu.cached[string(key)] = val + } + + const cachedSizeLimit = 10 << 30 + if s.mu.cachedSize >= cachedSizeLimit { + for k, v := range s.mu.cached { + if _, needed := m[k]; needed { + continue + } + delete(s.mu.cached, k) + s.mu.cachedSize -= len(k) + len(v) + if s.mu.cachedSize < cachedSizeLimit { + break + } + } } s.mu.Unlock() From 7475d92393724e5e9763ad0f3073204d7ba1d87b Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Thu, 19 Nov 2020 11:27:53 +0800 Subject: [PATCH 0243/1021] *: inject projection for the plan pushed to TiDB (#21090) --- executor/coprocessor.go | 1 + infoschema/tables_test.go | 1 + planner/core/optimizer.go | 2 +- planner/core/pb_to_plan.go | 17 ++++++++++------- planner/core/rule_inject_extra_projection.go | 8 ++++++-- 5 files changed, 19 insertions(+), 10 deletions(-) diff --git a/executor/coprocessor.go b/executor/coprocessor.go index cf11d38512177..32eb421d041d0 100644 --- a/executor/coprocessor.go +++ b/executor/coprocessor.go @@ -166,6 +166,7 @@ func (h *CoprocessorDAGHandler) buildDAGExecutor(req *coprocessor.Request) (Exec if err != nil { return nil, errors.Trace(err) } + plan = core.InjectExtraProjection(plan) // Build executor. b := newExecutorBuilder(h.sctx, is) return b.build(plan), nil diff --git a/infoschema/tables_test.go b/infoschema/tables_test.go index 11e1a0de9e170..5d141d01cb03d 100644 --- a/infoschema/tables_test.go +++ b/infoschema/tables_test.go @@ -811,6 +811,7 @@ func (s *testClusterTableSuite) TestSelectClusterTable(c *C) { tk.MustQuery("select query_time, conn_id from `CLUSTER_SLOW_QUERY` order by time limit 1").Check(testkit.Rows("4.895492 6")) tk.MustQuery("select count(*) from `CLUSTER_SLOW_QUERY` group by digest").Check(testkit.Rows("1")) tk.MustQuery("select digest, count(*) from `CLUSTER_SLOW_QUERY` group by digest").Check(testkit.Rows("42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772 1")) + tk.MustQuery(`select length(query) as l,time from information_schema.cluster_slow_query where time > "2019-02-12 19:33:56" order by abs(l) desc limit 10;`).Check(testkit.Rows("21 2019-02-12 19:33:56.571953")) tk.MustQuery("select count(*) from `CLUSTER_SLOW_QUERY` where time > now() group by digest").Check(testkit.Rows()) re := tk.MustQuery("select * from `CLUSTER_statements_summary`") c.Assert(re, NotNil) diff --git a/planner/core/optimizer.go b/planner/core/optimizer.go index ff6c64b9a84ad..983713c36acaa 100644 --- a/planner/core/optimizer.go +++ b/planner/core/optimizer.go @@ -146,7 +146,7 @@ func DoOptimize(ctx context.Context, sctx sessionctx.Context, flag uint64, logic func postOptimize(sctx sessionctx.Context, plan PhysicalPlan) PhysicalPlan { plan = eliminatePhysicalProjection(plan) - plan = injectExtraProjection(plan) + plan = InjectExtraProjection(plan) plan = eliminateUnionScanAndLock(sctx, plan) plan = enableParallelApply(sctx, plan) return plan diff --git a/planner/core/pb_to_plan.go b/planner/core/pb_to_plan.go index 6556edd0fb85e..e624bb96374c8 100644 --- a/planner/core/pb_to_plan.go +++ b/planner/core/pb_to_plan.go @@ -22,6 +22,7 @@ import ( "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/expression/aggregation" "github.com/pingcap/tidb/infoschema" + "github.com/pingcap/tidb/planner/property" "github.com/pingcap/tidb/planner/util" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/types" @@ -48,7 +49,9 @@ func (b *PBPlanBuilder) Build(executors []*tipb.Executor) (p PhysicalPlan, err e if err != nil { return nil, errors.Trace(err) } - curr.SetChildren(src) + if src != nil { + curr.SetChildren(src) + } src = curr } _, src = b.predicatePushDown(src, nil) @@ -101,7 +104,7 @@ func (b *PBPlanBuilder) pbToTableScan(e *tipb.Executor) (PhysicalPlan, error) { DBName: dbInfo.Name, Table: tbl.Meta(), Columns: columns, - }.Init(b.sctx, nil, 0) + }.Init(b.sctx, &property.StatsInfo{}, 0) p.SetSchema(schema) if strings.ToUpper(p.Table.Name.O) == infoschema.ClusterTableSlowLog { p.Extractor = &SlowQueryExtractor{} @@ -134,7 +137,7 @@ func (b *PBPlanBuilder) pbToSelection(e *tipb.Executor) (PhysicalPlan, error) { } p := PhysicalSelection{ Conditions: conds, - }.Init(b.sctx, nil, 0) + }.Init(b.sctx, &property.StatsInfo{}, 0, &property.PhysicalProperty{}) return p, nil } @@ -152,14 +155,14 @@ func (b *PBPlanBuilder) pbToTopN(e *tipb.Executor) (PhysicalPlan, error) { p := PhysicalTopN{ ByItems: byItems, Count: topN.Limit, - }.Init(b.sctx, nil, 0) + }.Init(b.sctx, &property.StatsInfo{}, 0, &property.PhysicalProperty{}) return p, nil } func (b *PBPlanBuilder) pbToLimit(e *tipb.Executor) (PhysicalPlan, error) { p := PhysicalLimit{ Count: e.Limit.Limit, - }.Init(b.sctx, nil, 0) + }.Init(b.sctx, &property.StatsInfo{}, 0, &property.PhysicalProperty{}) return p, nil } @@ -176,9 +179,9 @@ func (b *PBPlanBuilder) pbToAgg(e *tipb.Executor, isStreamAgg bool) (PhysicalPla baseAgg.schema = schema var partialAgg PhysicalPlan if isStreamAgg { - partialAgg = baseAgg.initForStream(b.sctx, nil, 0) + partialAgg = baseAgg.initForStream(b.sctx, &property.StatsInfo{}, 0, &property.PhysicalProperty{}) } else { - partialAgg = baseAgg.initForHash(b.sctx, nil, 0) + partialAgg = baseAgg.initForHash(b.sctx, &property.StatsInfo{}, 0, &property.PhysicalProperty{}) } return partialAgg, nil } diff --git a/planner/core/rule_inject_extra_projection.go b/planner/core/rule_inject_extra_projection.go index 977c73761f2fe..62d6b17cbcd28 100644 --- a/planner/core/rule_inject_extra_projection.go +++ b/planner/core/rule_inject_extra_projection.go @@ -20,11 +20,15 @@ import ( "github.com/pingcap/tidb/sessionctx" ) -// injectExtraProjection is used to extract the expressions of specific +// InjectExtraProjection is used to extract the expressions of specific // operators into a physical Projection operator and inject the Projection below // the operators. Thus we can accelerate the expression evaluation by eager // evaluation. -func injectExtraProjection(plan PhysicalPlan) PhysicalPlan { +// This function will be called in two situations: +// 1. In postOptimize. +// 2. TiDB can be used as a coprocessor, when a plan tree been pushed down to +// TiDB, we need to inject extra projections for the plan tree as well. +func InjectExtraProjection(plan PhysicalPlan) PhysicalPlan { return NewProjInjector().inject(plan) } From 6a175f1036934b4067fd4b94f63a12ff9a64082b Mon Sep 17 00:00:00 2001 From: crazycs Date: Thu, 19 Nov 2020 11:43:43 +0800 Subject: [PATCH 0244/1021] distsql: fix issue of table reader runtime stats display wrong result. (#21072) --- distsql/distsql_test.go | 12 ++++++++++++ distsql/select_result.go | 8 +++++--- store/tikv/region_request.go | 12 ++++++++++++ 3 files changed, 29 insertions(+), 3 deletions(-) diff --git a/distsql/distsql_test.go b/distsql/distsql_test.go index 6942b7c32d60b..53b43c52d8da9 100644 --- a/distsql/distsql_test.go +++ b/distsql/distsql_test.go @@ -28,6 +28,7 @@ import ( "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/statistics" "github.com/pingcap/tidb/store/tikv" + "github.com/pingcap/tidb/store/tikv/tikvrpc" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/codec" @@ -179,6 +180,17 @@ func (s *testSuite) TestSelectResultRuntimeStats(c *C) { c.Assert(stats.String(), Equals, expect) // Test for idempotence. c.Assert(stats.String(), Equals, expect) + + s1.rpcStat.Stats[tikvrpc.CmdCop] = &tikv.RPCRuntimeStats{ + Count: 1, + Consume: int64(time.Second), + } + stmtStats.RegisterStats(2, s1) + stats = stmtStats.GetRootStats(2) + expect = "cop_task: {num: 2, max: 1s, min: 1ms, avg: 500.5ms, p95: 1s, max_proc_keys: 200, p95_proc_keys: 200, tot_proc: 1s, tot_wait: 1s, rpc_num: 1, rpc_time: 1s, copr_cache_hit_ratio: 0.00}, backoff{RegionMiss: 1ms}" + c.Assert(stats.String(), Equals, expect) + // Test for idempotence. + c.Assert(stats.String(), Equals, expect) } func (s *testSuite) createSelectStreaming(batch, totalRows int, c *C) (*streamResult, []*types.FieldType) { diff --git a/distsql/select_result.go b/distsql/select_result.go index 3247d65c76304..a316a4fba7ad6 100644 --- a/distsql/select_result.go +++ b/distsql/select_result.go @@ -403,6 +403,7 @@ func (s *selectResultRuntimeStats) Merge(rs execdetails.RuntimeStats) { func (s *selectResultRuntimeStats) String() string { buf := bytes.NewBuffer(nil) + rpcStat := s.rpcStat if len(s.copRespTime) > 0 { size := len(s.copRespTime) if size == 1 { @@ -440,9 +441,10 @@ func (s *selectResultRuntimeStats) String() string { } } } - copRPC := s.rpcStat.Stats[tikvrpc.CmdCop] + copRPC := rpcStat.Stats[tikvrpc.CmdCop] if copRPC != nil && copRPC.Count > 0 { - delete(s.rpcStat.Stats, tikvrpc.CmdCop) + rpcStat = rpcStat.Clone() + delete(rpcStat.Stats, tikvrpc.CmdCop) buf.WriteString(", rpc_num: ") buf.WriteString(strconv.FormatInt(copRPC.Count, 10)) buf.WriteString(", rpc_time: ") @@ -453,7 +455,7 @@ func (s *selectResultRuntimeStats) String() string { buf.WriteString("}") } - rpcStatsStr := s.rpcStat.String() + rpcStatsStr := rpcStat.String() if len(rpcStatsStr) > 0 { buf.WriteString(", ") buf.WriteString(rpcStatsStr) diff --git a/store/tikv/region_request.go b/store/tikv/region_request.go index e7de51d1ef703..8c3cf2cad7a1c 100644 --- a/store/tikv/region_request.go +++ b/store/tikv/region_request.go @@ -99,6 +99,18 @@ func (r *RegionRequestRuntimeStats) String() string { return buf.String() } +// Clone returns a copy of itself. +func (r *RegionRequestRuntimeStats) Clone() RegionRequestRuntimeStats { + newRs := NewRegionRequestRuntimeStats() + for cmd, v := range r.Stats { + newRs.Stats[cmd] = &RPCRuntimeStats{ + Count: v.Count, + Consume: v.Consume, + } + } + return newRs +} + // Merge merges other RegionRequestRuntimeStats. func (r *RegionRequestRuntimeStats) Merge(rs RegionRequestRuntimeStats) { for cmd, v := range rs.Stats { From 27c59c7363f74f9de5ffd4582f748041cf08b512 Mon Sep 17 00:00:00 2001 From: Jack Yu Date: Thu, 19 Nov 2020 12:03:47 +0800 Subject: [PATCH 0245/1021] server: make dump binary time more compatible with MySQL (#21127) --- server/util.go | 14 +++++++++++++- server/util_test.go | 2 +- 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/server/util.go b/server/util.go index 51df865a8907e..c4a70676f6c3a 100644 --- a/server/util.go +++ b/server/util.go @@ -199,12 +199,24 @@ func dumpBinaryDateTime(data []byte, t types.Time) []byte { switch t.Type() { case mysql.TypeTimestamp, mysql.TypeDatetime: if t.IsZero() { + // All zero. data = append(data, 0) - } else { + } else if t.Microsecond() != 0 { + // Has micro seconds. data = append(data, 11) data = dumpUint16(data, uint16(year)) data = append(data, byte(mon), byte(day), byte(t.Hour()), byte(t.Minute()), byte(t.Second())) data = dumpUint32(data, uint32(t.Microsecond())) + } else if t.Hour() != 0 || t.Minute() != 0 || t.Second() != 0 { + // Has HH:MM:SS + data = append(data, 7) + data = dumpUint16(data, uint16(year)) + data = append(data, byte(mon), byte(day), byte(t.Hour()), byte(t.Minute()), byte(t.Second())) + } else { + // Only YY:MM:DD + data = append(data, 4) + data = dumpUint16(data, uint16(year)) + data = append(data, byte(mon), byte(day)) } case mysql.TypeDate: if t.IsZero() { diff --git a/server/util_test.go b/server/util_test.go index 029734167dc9f..de209d2a644e2 100644 --- a/server/util_test.go +++ b/server/util_test.go @@ -85,7 +85,7 @@ func (s *testUtilSuite) TestDumpBinaryTime(c *C) { c.Assert(err, IsNil) d = dumpBinaryDateTime(nil, t) // 201 & 7 composed to uint16 1993 (litter-endian) - c.Assert(d, DeepEquals, []byte{11, 201, 7, 7, 13, 1, 1, 1, 0, 0, 0, 0}) + c.Assert(d, DeepEquals, []byte{7, 201, 7, 7, 13, 1, 1, 1}) t, err = types.ParseDate(nil, "0000-00-00") c.Assert(err, IsNil) From 629ef07597bd35586260003af298f97dd7f74cc7 Mon Sep 17 00:00:00 2001 From: cfzjywxk Date: Thu, 19 Nov 2020 12:24:23 +0800 Subject: [PATCH 0246/1021] plan: fix the IsSelectForUpdateLockType check (#21125) --- planner/core/point_get_plan.go | 3 ++- session/session_test.go | 12 ++++++++++++ 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/planner/core/point_get_plan.go b/planner/core/point_get_plan.go index 77efe8f5d5a67..c6cf3b25260a9 100644 --- a/planner/core/point_get_plan.go +++ b/planner/core/point_get_plan.go @@ -453,11 +453,12 @@ func TryFastPlan(ctx sessionctx.Context, node ast.Node) (p Plan) { // IsSelectForUpdateLockType checks if the select lock type is for update type. func IsSelectForUpdateLockType(lockType ast.SelectLockType) bool { if lockType == ast.SelectLockForUpdate || + lockType == ast.SelectLockInShareMode || lockType == ast.SelectLockForUpdateNoWait || lockType == ast.SelectLockForUpdateWaitN { return true } - return true + return false } func getLockWaitTime(ctx sessionctx.Context, lockInfo *ast.SelectLockInfo) (lock bool, waitTime int64) { diff --git a/session/session_test.go b/session/session_test.go index 0d547b39f018e..6c9914f644def 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -3516,3 +3516,15 @@ func (s *testBackupRestoreSuite) TestBackupAndRestore(c *C) { tk.MustExec("drop database br02") } } + +func (s *testSessionSuite2) TestSelectLockInShare(c *C) { + tk1 := testkit.NewTestKitWithInit(c, s.store) + tk1.MustExec("DROP TABLE IF EXISTS t_sel_in_share") + tk1.MustExec("CREATE TABLE t_sel_in_share (id int DEFAULT NULL)") + tk1.MustExec("insert into t_sel_in_share values (11)") + err := tk1.ExecToErr("select * from t_sel_in_share lock in share mode") + c.Assert(err, NotNil) + tk1.MustExec("set @@tidb_enable_noop_functions = 1") + tk1.MustQuery("select * from t_sel_in_share lock in share mode").Check(testkit.Rows("11")) + tk1.MustExec("DROP TABLE t_sel_in_share") +} From 2b363fb80d749a72ae13fa309866880508df4cd8 Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Thu, 19 Nov 2020 13:40:31 +0800 Subject: [PATCH 0247/1021] *: support to modify config server-memory-quota-ratio dynamically (#20927) --- session/session.go | 1 + session/session_test.go | 17 ++++++++++++ sessionctx/variable/session.go | 2 ++ sessionctx/variable/sysvar.go | 1 + sessionctx/variable/tidb_vars.go | 5 ++++ sessionctx/variable/varsutil.go | 2 ++ util/expensivequery/expensivequery.go | 4 ++- util/expensivequery/memory_usage_alarm.go | 32 ++++++++++++++--------- 8 files changed, 50 insertions(+), 14 deletions(-) diff --git a/session/session.go b/session/session.go index efde542c10a38..6d73e87fe402e 100644 --- a/session/session.go +++ b/session/session.go @@ -2223,6 +2223,7 @@ var builtinGlobalVariable = []string{ variable.TiDBShardAllocateStep, variable.TiDBEnableChangeColumnType, variable.TiDBEnableAmendPessimisticTxn, + variable.TiDBMemoryUsageAlarmRatio, } var ( diff --git a/session/session_test.go b/session/session_test.go index 6c9914f644def..fc3e99cd6ddaa 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -3517,6 +3517,23 @@ func (s *testBackupRestoreSuite) TestBackupAndRestore(c *C) { } } +func (s *testSessionSuite2) TestMemoryUsageAlarmVariable(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + + tk.MustExec("set @@session.tidb_memory_usage_alarm_ratio=1") + tk.MustQuery("select @@session.tidb_memory_usage_alarm_ratio").Check(testkit.Rows("1")) + tk.MustExec("set @@session.tidb_memory_usage_alarm_ratio=0") + tk.MustQuery("select @@session.tidb_memory_usage_alarm_ratio").Check(testkit.Rows("0")) + tk.MustExec("set @@session.tidb_memory_usage_alarm_ratio=0.7") + tk.MustQuery("select @@session.tidb_memory_usage_alarm_ratio").Check(testkit.Rows("0.7")) + err := tk.ExecToErr("set @@session.tidb_memory_usage_alarm_ratio=1.1") + c.Assert(err.Error(), Equals, "[variable:1231]Variable 'tidb_memory_usage_alarm_ratio' can't be set to the value of '1.1'") + err = tk.ExecToErr("set @@session.tidb_memory_usage_alarm_ratio=-1") + c.Assert(err.Error(), Equals, "[variable:1231]Variable 'tidb_memory_usage_alarm_ratio' can't be set to the value of '-1'") + err = tk.ExecToErr("set @@global.tidb_memory_usage_alarm_ratio=0.8") + c.Assert(err.Error(), Equals, "Variable 'tidb_memory_usage_alarm_ratio' is a SESSION variable and can't be used with SET GLOBAL") +} + func (s *testSessionSuite2) TestSelectLockInShare(c *C) { tk1 := testkit.NewTestKitWithInit(c, s.store) tk1.MustExec("DROP TABLE IF EXISTS t_sel_in_share") diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 34e198237d5bc..271fd2b88b727 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -1584,6 +1584,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.EnableAmendPessimisticTxn = TiDBOptOn(val) case TiDBTxnScope: s.TxnScope = val + case TiDBMemoryUsageAlarmRatio: + MemoryUsageAlarmRatio.Store(tidbOptFloat64(val, 0.8)) } s.systems[name] = val return nil diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 84daed5f8dada..ec73d5e6c6473 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1052,6 +1052,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TiDBWaitSplitRegionTimeout, Value: strconv.Itoa(DefWaitSplitRegionTimeout), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TiDBLowResolutionTSO, Value: BoolOff, Type: TypeBool}, {Scope: ScopeSession, Name: TiDBExpensiveQueryTimeThreshold, Value: strconv.Itoa(DefTiDBExpensiveQueryTimeThreshold), Type: TypeUnsigned, MinValue: int64(MinExpensiveQueryTimeThreshold), MaxValue: uint64(math.MaxInt64), AutoConvertOutOfRange: true}, + {Scope: ScopeSession, Name: TiDBMemoryUsageAlarmRatio, Value: strconv.FormatFloat(config.GetGlobalConfig().Performance.MemoryUsageAlarmRatio, 'f', -1, 64), Type: TypeFloat, MinValue: 0.0, MaxValue: 1.0}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableNoopFuncs, Value: BoolToOnOff(DefTiDBEnableNoopFuncs), Type: TypeBool}, {Scope: ScopeSession, Name: TiDBReplicaRead, Value: "leader", Type: TypeEnum, PossibleValues: []string{"leader", "follower", "leader-and-follower"}}, {Scope: ScopeSession, Name: TiDBAllowRemoveAutoInc, Value: BoolToOnOff(DefTiDBAllowRemoveAutoInc), Type: TypeBool}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 352d009387735..cb64a34d6fb50 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -18,6 +18,7 @@ import ( "os" "github.com/pingcap/parser/mysql" + "github.com/pingcap/tidb/config" "github.com/uber-go/atomic" ) @@ -463,6 +464,9 @@ const ( // TiDBEnableAmendPessimisticTxn indicates if amend pessimistic transactions is enabled. TiDBEnableAmendPessimisticTxn = "tidb_enable_amend_pessimistic_txn" + + // TiDBMemoryUsageAlarmRatio indicates the alarm threshold when memory usage of the tidb-server exceeds. + TiDBMemoryUsageAlarmRatio = "tidb_memory_usage_alarm_ratio" ) // Default TiDB system variable values. @@ -596,4 +600,5 @@ var ( MinExpensiveQueryTimeThreshold uint64 = 10 //10s CapturePlanBaseline = serverGlobalVariable{globalVal: BoolOff} DefExecutorConcurrency = 5 + MemoryUsageAlarmRatio = atomic.NewFloat64(config.GetGlobalConfig().Performance.MemoryUsageAlarmRatio) ) diff --git a/sessionctx/variable/varsutil.go b/sessionctx/variable/varsutil.go index 8c757ab81f848..d8642ea366fc0 100644 --- a/sessionctx/variable/varsutil.go +++ b/sessionctx/variable/varsutil.go @@ -126,6 +126,8 @@ func GetSessionOnlySysVars(s *SessionVars, key string) (string, bool, error) { return val, true, nil case TiDBExpensiveQueryTimeThreshold: return fmt.Sprintf("%d", atomic.LoadUint64(&ExpensiveQueryTimeThreshold)), true, nil + case TiDBMemoryUsageAlarmRatio: + return fmt.Sprintf("%g", MemoryUsageAlarmRatio.Load()), true, nil case TiDBConfig: conf := config.GetGlobalConfig() j, err := json.MarshalIndent(conf, "", "\t") diff --git a/util/expensivequery/expensivequery.go b/util/expensivequery/expensivequery.go index 8022cb564033a..56010728faa0e 100644 --- a/util/expensivequery/expensivequery.go +++ b/util/expensivequery/expensivequery.go @@ -55,7 +55,7 @@ func (eqh *Handle) Run() { ticker := time.NewTicker(tickInterval) defer ticker.Stop() sm := eqh.sm.Load().(util.SessionManager) - record := initMemoryUsageAlarmRecord() + record := &memoryUsageAlarm{} for { select { case <-ticker.C: @@ -75,6 +75,8 @@ func (eqh *Handle) Run() { } } threshold = atomic.LoadUint64(&variable.ExpensiveQueryTimeThreshold) + + record.memoryUsageAlarmRatio = variable.MemoryUsageAlarmRatio.Load() if record.err == nil { record.alarm4ExcessiveMemUsage(sm) } diff --git a/util/expensivequery/memory_usage_alarm.go b/util/expensivequery/memory_usage_alarm.go index d8f86b80eeee5..fbe9b6c5ff438 100644 --- a/util/expensivequery/memory_usage_alarm.go +++ b/util/expensivequery/memory_usage_alarm.go @@ -24,7 +24,6 @@ import ( "strings" "time" - "github.com/pingcap/errors" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/disk" @@ -36,8 +35,10 @@ import ( type memoryUsageAlarm struct { err error + initialized bool isServerMemoryQuotaSet bool serverMemoryQuota uint64 + memoryUsageAlarmRatio float64 lastCheckTime time.Time tmpDir string @@ -45,17 +46,11 @@ type memoryUsageAlarm struct { lastProfileFileName [][]string // heap, goroutine } -func initMemoryUsageAlarmRecord() (record *memoryUsageAlarm) { - record = &memoryUsageAlarm{} - if alert := config.GetGlobalConfig().Performance.MemoryUsageAlarmRatio; alert == 0 || alert == 1 { - record.err = errors.New("close memory usage alarm recorder") - return - } +func (record *memoryUsageAlarm) initMemoryUsageAlarmRecord() { if quota := config.GetGlobalConfig().Performance.ServerMemoryQuota; quota != 0 { record.serverMemoryQuota = quota record.isServerMemoryQuotaSet = true } else { - // TODO: Get the memory info in container directly. record.serverMemoryQuota, record.err = memory.MemTotal() if record.err != nil { logutil.BgLogger().Error("get system total memory fail", zap.Error(record.err)) @@ -72,7 +67,8 @@ func initMemoryUsageAlarmRecord() (record *memoryUsageAlarm) { // Read last records files, err := ioutil.ReadDir(record.tmpDir) if err != nil { - return record + record.err = err + return } for _, f := range files { name := filepath.Join(record.tmpDir, f.Name()) @@ -86,13 +82,23 @@ func initMemoryUsageAlarmRecord() (record *memoryUsageAlarm) { record.lastProfileFileName[1] = append(record.lastProfileFileName[1], name) } } - - return record + record.initialized = true + return } // If Performance.ServerMemoryQuota is set, use `ServerMemoryQuota * MemoryUsageAlarmRatio` to check oom risk. // If Performance.ServerMemoryQuota is not set, use `system total memory size * MemoryUsageAlarmRatio` to check oom risk. func (record *memoryUsageAlarm) alarm4ExcessiveMemUsage(sm util.SessionManager) { + if record.memoryUsageAlarmRatio <= 0.0 || record.memoryUsageAlarmRatio >= 1.0 { + return + } + if !record.initialized { + record.initMemoryUsageAlarmRecord() + if record.err != nil { + return + } + } + var memoryUsage uint64 instanceStats := &runtime.MemStats{} runtime.ReadMemStats(instanceStats) @@ -107,7 +113,7 @@ func (record *memoryUsageAlarm) alarm4ExcessiveMemUsage(sm util.SessionManager) } // TODO: Consider NextGC to record SQLs. - if float64(memoryUsage) > float64(record.serverMemoryQuota)*config.GetGlobalConfig().Performance.MemoryUsageAlarmRatio { + if float64(memoryUsage) > float64(record.serverMemoryQuota)*record.memoryUsageAlarmRatio { // At least ten seconds between two recordings that memory usage is less than threshold (default 80% system memory). // If the memory is still exceeded, only records once. interval := time.Since(record.lastCheckTime) @@ -129,7 +135,7 @@ func (record *memoryUsageAlarm) doRecord(memUsage uint64, instanceMemoryUsage ui fields = append(fields, zap.Any("system memory usage", memUsage)) fields = append(fields, zap.Any("tidb-server memory usage", instanceMemoryUsage)) } - fields = append(fields, zap.Any("memory-usage-alarm-ratio", config.GetGlobalConfig().Performance.MemoryUsageAlarmRatio)) + fields = append(fields, zap.Any("memory-usage-alarm-ratio", record.memoryUsageAlarmRatio)) fields = append(fields, zap.Any("record path", record.tmpDir)) logutil.BgLogger().Warn("tidb-server has the risk of OOM. Running SQLs and heap profile will be recorded in record path", fields...) From 2e918a2e8fb92777318bb5b4949202bb0d9090e4 Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Thu, 19 Nov 2020 13:54:23 +0800 Subject: [PATCH 0248/1021] executor: specially handle empty input for apply's outer child aggregate (#20544) --- executor/join.go | 40 ++++++++++++++++++++++++++++++++++++++++ executor/join_test.go | 21 +++++++++++++++++++++ 2 files changed, 61 insertions(+) diff --git a/executor/join.go b/executor/join.go index dc94e24111a35..eb43d70093bb7 100644 --- a/executor/join.go +++ b/executor/join.go @@ -869,6 +869,39 @@ func (e *NestedLoopApplyExec) Open(ctx context.Context) error { return nil } +// aggExecutorTreeInputEmpty checks whether the executor tree returns empty if without aggregate operators. +// Note that, the prerequisite is that this executor tree has been executed already and it returns one row. +func aggExecutorTreeInputEmpty(e Executor) bool { + children := e.base().children + if len(children) == 0 { + return false + } + if len(children) > 1 { + _, ok := e.(*UnionExec) + if !ok { + // It is a Join executor. + return false + } + for _, child := range children { + if !aggExecutorTreeInputEmpty(child) { + return false + } + } + return true + } + // Single child executors. + if aggExecutorTreeInputEmpty(children[0]) { + return true + } + if hashAgg, ok := e.(*HashAggExec); ok { + return hashAgg.isChildReturnEmpty + } + if streamAgg, ok := e.(*StreamAggExec); ok { + return streamAgg.isChildReturnEmpty + } + return false +} + func (e *NestedLoopApplyExec) fetchSelectedOuterRow(ctx context.Context, chk *chunk.Chunk) (*chunk.Row, error) { outerIter := chunk.NewIterator4Chunk(e.outerChunk) for { @@ -884,6 +917,13 @@ func (e *NestedLoopApplyExec) fetchSelectedOuterRow(ctx context.Context, chk *ch if err != nil { return nil, err } + // For cases like `select count(1), (select count(1) from s where s.a > t.a) as sub from t where t.a = 1`, + // if outer child has no row satisfying `t.a = 1`, `sub` should be `null` instead of `0` theoretically; however, the + // outer `count(1)` produces one row <0, null> over the empty input, we should specially mark this outer row + // as not selected, to trigger the mismatch join procedure. + if e.outerChunkCursor == 0 && e.outerChunk.NumRows() == 1 && e.outerSelected[0] && aggExecutorTreeInputEmpty(e.outerExec) { + e.outerSelected[0] = false + } e.outerChunkCursor = 0 } outerRow := e.outerChunk.GetRow(e.outerChunkCursor) diff --git a/executor/join_test.go b/executor/join_test.go index c7b023b58d4b2..2e8bbe6a8a20e 100644 --- a/executor/join_test.go +++ b/executor/join_test.go @@ -2299,6 +2299,27 @@ func (s *testSuite9) TestIssue18572_3(c *C) { c.Assert(strings.Contains(err.Error(), "mockIndexHashJoinBuildErr"), IsTrue) } +func (s *testSuite9) TestApplyOuterAggEmptyInput(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a int)") + tk.MustExec("create table t2(a int)") + tk.MustExec("insert into t1 values(1)") + tk.MustExec("insert into t2 values(1)") + tk.MustQuery("select count(1), (select count(1) from t2 where t2.a > t1.a) as field from t1 where t1.a = 100").Check(testkit.Rows( + "0 ", + )) + tk.MustQuery("select /*+ agg_to_cop() */ count(1), (select count(1) from t2 where t2.a > t1.a) as field from t1 where t1.a = 100").Check(testkit.Rows( + "0 ", + )) + tk.MustQuery("select count(1), (select count(1) from t2 where t2.a > t1.a) as field from t1 where t1.a = 1").Check(testkit.Rows( + "1 0", + )) + tk.MustQuery("select /*+ agg_to_cop() */ count(1), (select count(1) from t2 where t2.a > t1.a) as field from t1 where t1.a = 1").Check(testkit.Rows( + "1 0", + )) +} + func (s *testSuite9) TestIssue19112(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("drop table if exists t1, t2") From 91cd12f83f90e85adaf747cd1ebdd06e76b92479 Mon Sep 17 00:00:00 2001 From: JmPotato Date: Thu, 19 Nov 2020 15:30:43 +0800 Subject: [PATCH 0249/1021] store: update the PD client to support the Global/Local TSO (#20980) --- go.mod | 22 +- go.sum | 454 ++++++++++++++++++++-- session/pessimistic_test.go | 5 +- session/session_test.go | 5 +- session/txn.go | 4 +- store/mockoracle/oracle.go | 18 +- store/mockstore/mocktikv/executor_test.go | 5 +- store/mockstore/mocktikv/pd.go | 20 +- store/mockstore/unistore/pd.go | 22 +- store/tikv/1pc_test.go | 3 +- store/tikv/2pc.go | 6 +- store/tikv/2pc_test.go | 6 +- store/tikv/async_commit_test.go | 13 +- store/tikv/gcworker/gc_worker_test.go | 2 +- store/tikv/kv.go | 2 +- store/tikv/lock_resolver.go | 13 +- store/tikv/lock_test.go | 21 +- store/tikv/oracle/oracle.go | 23 +- store/tikv/oracle/oracles/export_test.go | 7 +- store/tikv/oracle/oracles/local.go | 18 +- store/tikv/oracle/oracles/local_test.go | 13 +- store/tikv/oracle/oracles/pd.go | 140 +++++-- store/tikv/oracle/oracles/pd_test.go | 2 +- store/tikv/split_region.go | 4 +- store/tikv/store_test.go | 35 +- 25 files changed, 684 insertions(+), 179 deletions(-) diff --git a/go.mod b/go.mod index 0bc5aa87e1d8e..f1cfacedb197b 100644 --- a/go.mod +++ b/go.mod @@ -5,14 +5,11 @@ require ( github.com/DATA-DOG/go-sqlmock v1.5.0 // indirect github.com/HdrHistogram/hdrhistogram-go v0.9.0 // indirect github.com/Jeffail/gabs/v2 v2.5.1 - github.com/aws/aws-sdk-go v1.30.24 // indirect github.com/blacktear23/go-proxyprotocol v0.0.0-20180807104634-af7a81e8dd0d github.com/carlmjohnson/flagext v0.20.2 // indirect github.com/cheggaaa/pb/v3 v3.0.4 // indirect github.com/cockroachdb/pebble v0.0.0-20200617141519-3b241b76ed3b // indirect github.com/codahale/hdrhistogram v0.9.0 // indirect - github.com/coreos/go-semver v0.3.0 // indirect - github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f // indirect github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548 github.com/cznic/sortutil v0.0.0-20181122101858-f5f958428db8 github.com/danjacques/gofslock v0.0.0-20191023191349-0a45f885bc37 @@ -28,21 +25,15 @@ require ( github.com/google/pprof v0.0.0-20200407044318-7d83b28da2e9 github.com/google/uuid v1.1.1 github.com/gorilla/mux v1.7.4 - github.com/gorilla/websocket v1.4.1 // indirect github.com/grpc-ecosystem/go-grpc-middleware v1.1.0 - github.com/grpc-ecosystem/grpc-gateway v1.14.3 // indirect github.com/iancoleman/strcase v0.0.0-20191112232945-16388991a334 github.com/joho/sqltocsv v0.0.0-20190824231449-5650f27fd5b6 // indirect github.com/klauspost/cpuid v1.2.1 github.com/kr/text v0.2.0 // indirect - github.com/mattn/go-colorable v0.1.6 // indirect - github.com/montanaflynn/stats v0.5.0 // indirect github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7 github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef github.com/ngaut/unistore v0.0.0-20201113064408-907e3fcf8e7d github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect - github.com/onsi/ginkgo v1.9.0 // indirect - github.com/onsi/gomega v1.6.0 // indirect github.com/opentracing/basictracer-go v1.0.0 github.com/opentracing/opentracing-go v1.1.0 github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2 @@ -54,8 +45,8 @@ require ( github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce github.com/pingcap/fn v0.0.0-20200306044125-d5540d389059 github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 - github.com/pingcap/kvproto v0.0.0-20201023092649-e6d6090277c9 - github.com/pingcap/log v0.0.0-20200828042413-fce0951f1463 + github.com/pingcap/kvproto v0.0.0-20201113092725-08f2872278eb + github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 github.com/pingcap/parser v0.0.0-20201112105242-773b8b74f44e github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 github.com/pingcap/tidb-lightning v4.0.9-0.20201106041742-a1ac97827a27+incompatible @@ -67,27 +58,21 @@ require ( github.com/shirou/gopsutil v2.20.3+incompatible github.com/sirupsen/logrus v1.6.0 github.com/soheilhy/cmux v0.1.4 - github.com/spaolacci/murmur3 v1.1.0 // indirect - github.com/spf13/cobra v1.0.0 // indirect - github.com/spf13/pflag v1.0.5 // indirect github.com/stretchr/testify v1.6.1 // indirect - github.com/syndtr/goleveldb v1.0.1-0.20190318030020-c3a204f8e965 // indirect github.com/tiancaiamao/appdash v0.0.0-20181126055449-889f96f722a2 - github.com/tikv/pd v1.1.0-beta.0.20200925080742-6d0aa719fa17 + github.com/tikv/pd v1.1.0-beta.0.20201119053953-51eff4c1fa05 github.com/twmb/murmur3 v1.1.3 github.com/uber-go/atomic v1.4.0 github.com/uber/jaeger-client-go v2.22.1+incompatible github.com/uber/jaeger-lib v2.4.0+incompatible // indirect github.com/xitongsys/parquet-go v1.5.4 // indirect github.com/zhangjinpeng1987/raft v0.0.0-20200819064223-df31bb68a018 // indirect - go.etcd.io/bbolt v1.3.4 // indirect go.etcd.io/etcd v0.5.0-alpha.5.0.20200824191128-ae9734ed278b go.uber.org/atomic v1.7.0 go.uber.org/automaxprocs v1.2.0 go.uber.org/multierr v1.6.0 // indirect go.uber.org/zap v1.16.0 golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a // indirect - golang.org/x/lint v0.0.0-20200302205851-738671d3881b // indirect golang.org/x/net v0.0.0-20200904194848-62affa334b73 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9 golang.org/x/sys v0.0.0-20200819171115-d785dc25833f @@ -99,7 +84,6 @@ require ( gopkg.in/yaml.v2 v2.3.0 // indirect honnef.co/go/tools v0.0.1-2020.1.6 // indirect modernc.org/mathutil v1.1.1 // indirect - sigs.k8s.io/yaml v1.2.0 // indirect sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0 sourcegraph.com/sourcegraph/appdash-data v0.0.0-20151005221446-73f23eafcf67 ) diff --git a/go.sum b/go.sum index 10e8e7b78372d..64518f6aaa5f1 100644 --- a/go.sum +++ b/go.sum @@ -1,94 +1,158 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU= +cloud.google.com/go v0.43.0/go.mod h1:BOSR3VbTLkk6FDC/TcffxP4NF/FFBGA5ku+jvKOP7pg= cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU= cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY= cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc= cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0= -cloud.google.com/go v0.50.0 h1:0E3eE8MX426vUOs7aHfI7aN1BrIzzzf4ccKCSfSjGmc= +cloud.google.com/go v0.49.0/go.mod h1:hGvAdzcWNbyuxS3nWhD7H2cIJxjRRTRLQVB0bdputVY= cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To= +cloud.google.com/go v0.51.0/go.mod h1:hWtGJ6gnXH+KgDv+V0zFGDvpi07n3z8ZNj3T1RW0Gcw= cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4= cloud.google.com/go v0.53.0 h1:MZQCQQaRwOrAcuKjiHWHrgKykt4fZyuwF2dtiG3fGW8= cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M= cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o= -cloud.google.com/go/bigquery v1.3.0 h1:sAbMqjY1PEQKZBWfbu6Y6bsupJ9c4QdHnzg/VvYTLcE= cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE= cloud.google.com/go/bigquery v1.4.0 h1:xE3CPsOgttP4ACBePh79zTKALtXwn/Edhcr16R5hMWU= cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc= -cloud.google.com/go/datastore v1.0.0 h1:Kt+gOPPp2LEPWp8CSfxhsM8ik9CcyE/gYu+0r+RnZvM= +cloud.google.com/go/bigtable v1.2.0/go.mod h1:JcVAOl45lrTmQfLj7T6TxyMzIN/3FGGcFm+2xVAli2o= cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE= cloud.google.com/go/datastore v1.1.0 h1:/May9ojXjRkPBNVrq+oWLqmWCkr4OU5uRY29bu0mRyQ= cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk= cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I= -cloud.google.com/go/pubsub v1.1.0 h1:9/vpR43S4aJaROxqQHQ3nH9lfyKKV0dC3vOmnw8ebQQ= cloud.google.com/go/pubsub v1.1.0/go.mod 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h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs= golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js= golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0= golang.org/x/image v0.0.0-20200119044424-58c23975cae1/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0= @@ -719,6 +1044,7 @@ golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73r golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181005035420-146acd28ed58/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= +golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= @@ -741,6 +1067,8 @@ golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLL golang.org/x/net v0.0.0-20200222125558-5a598a2470a0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= +golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= +golang.org/x/net v0.0.0-20200421231249-e086a090c8fd/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod 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golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20181011152604-fa43e7bc11ba/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20181128092732-4ed8d59d0b35/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20181221143128-b4a75ba826a6/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20181228144115-9a3f9b0469bb/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= @@ -781,14 +1111,19 @@ golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20190801041406-cbf593c0f2f3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys 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v0.0.0-20191220142924-d4481acd189f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200107162124-548cf772de50/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -796,6 +1131,8 @@ golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200413165638-669c56c373c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200420163511-1957bb5e6d1f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200819171115-d785dc25833f h1:KJuwZVtZBVzDmEDtB2zro9CXkD9O0dpCv4o2LHbQIAw= golang.org/x/sys v0.0.0-20200819171115-d785dc25833f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -812,13 +1149,16 @@ golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxb golang.org/x/time v0.0.0-20191024005414-555d28b269f0 h1:/5xXl8Y5W96D+TtHSlonuFqGHIWVuyCkGJLwGh9JJFs= golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= 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v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0= +google.golang.org/appengine v1.6.2/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0= google.golang.org/appengine v1.6.5 h1:tycE03LOZYQNhDpS27tcQdAzLCVMaj7QT2SXxebnpCM= google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc= google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc= @@ -881,14 +1235,19 @@ google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRn google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= google.golang.org/genproto 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h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= -gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10= gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU= gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= @@ -954,17 +1324,33 @@ honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWh honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k= +honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k= 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v0.0.0-20200619203921-c9ed90bd32dc/go.mod h1:/xvNRWUqm0+/ZMiF4EX00vrSCMsE4/NHb+Pt3freEeQ= +sourcegraph.com/sourcegraph/appdash v0.0.0-20180531100431-4c381bd170b4/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU= sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0 h1:ucqkfpjg9WzSUubAO62csmucvxl4/JeW3F4I4909XkM= sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU= sourcegraph.com/sourcegraph/appdash-data v0.0.0-20151005221446-73f23eafcf67 h1:e1sMhtVq9AfcEy8AXNb8eSg6gbzfdpYhoNqnPJa+GzI= diff --git a/session/pessimistic_test.go b/session/pessimistic_test.go index ed0419031c8fb..0de76c9adbec0 100644 --- a/session/pessimistic_test.go +++ b/session/pessimistic_test.go @@ -31,6 +31,7 @@ import ( "github.com/pingcap/tidb/session" "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/store/tikv" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/util/codec" "github.com/pingcap/tidb/util/testkit" @@ -1950,14 +1951,14 @@ func (s *testPessimisticSuite) TestSelectForUpdateConflictRetry(c *C) { tsCh := make(chan uint64) go func() { tk3.MustExec("update tk set c2 = c2 + 1 where c1 = 1") - lastTS, err := s.store.GetOracle().GetLowResolutionTimestamp(context.Background()) + lastTS, err := s.store.GetOracle().GetLowResolutionTimestamp(context.Background(), &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) tsCh <- lastTS tk3.MustExec("commit") tsCh <- lastTS }() // tk2LastTS should be its forUpdateTS - tk2LastTS, err := s.store.GetOracle().GetLowResolutionTimestamp(context.Background()) + tk2LastTS, err := s.store.GetOracle().GetLowResolutionTimestamp(context.Background(), &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) tk2.MustExec("commit") diff --git a/session/session_test.go b/session/session_test.go index fc3e99cd6ddaa..e8dd43126a67f 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -47,6 +47,7 @@ import ( "github.com/pingcap/tidb/store/mockstore/cluster" "github.com/pingcap/tidb/store/mockstore/mocktikv" "github.com/pingcap/tidb/store/tikv" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/table/tables" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/sqlexec" @@ -3241,7 +3242,7 @@ func (s *testSessionSuite2) TestSetTxnScope(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) // assert default value result := tk.MustQuery("select @@txn_scope;") - result.Check(testkit.Rows(config.DefTxnScope)) + result.Check(testkit.Rows(oracle.GlobalTxnScope)) // assert set sys variable tk.MustExec("set @@session.txn_scope = 'dc-1';") @@ -3253,7 +3254,7 @@ func (s *testSessionSuite2) TestSetTxnScope(c *C) { c.Check(err, IsNil) tk.Se = se result = tk.MustQuery("select @@txn_scope;") - result.Check(testkit.Rows(config.DefTxnScope)) + result.Check(testkit.Rows(oracle.GlobalTxnScope)) } func (s *testSessionSuite3) TestSetVarHint(c *C) { diff --git a/session/txn.go b/session/txn.go index 3b756c022efc6..ff9c41df9d1b9 100644 --- a/session/txn.go +++ b/session/txn.go @@ -358,9 +358,9 @@ func (s *session) getTxnFuture(ctx context.Context) *txnFuture { oracleStore := s.store.GetOracle() var tsFuture oracle.Future if s.sessionVars.LowResolutionTSO { - tsFuture = oracleStore.GetLowResolutionTimestampAsync(ctx) + tsFuture = oracleStore.GetLowResolutionTimestampAsync(ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) } else { - tsFuture = oracleStore.GetTimestampAsync(ctx) + tsFuture = oracleStore.GetTimestampAsync(ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) } ret := &txnFuture{future: tsFuture, store: s.store} failpoint.InjectContext(ctx, "mockGetTSFail", func() { diff --git a/store/mockoracle/oracle.go b/store/mockoracle/oracle.go index c822696657d77..3e242f548a340 100644 --- a/store/mockoracle/oracle.go +++ b/store/mockoracle/oracle.go @@ -55,7 +55,7 @@ func (o *MockOracle) AddOffset(d time.Duration) { } // GetTimestamp implements oracle.Oracle interface. -func (o *MockOracle) GetTimestamp(context.Context) (uint64, error) { +func (o *MockOracle) GetTimestamp(ctx context.Context, _ *oracle.Option) (uint64, error) { o.Lock() defer o.Unlock() @@ -77,26 +77,26 @@ type mockOracleFuture struct { } func (m *mockOracleFuture) Wait() (uint64, error) { - return m.o.GetTimestamp(m.ctx) + return m.o.GetTimestamp(m.ctx, &oracle.Option{}) } // GetTimestampAsync implements oracle.Oracle interface. -func (o *MockOracle) GetTimestampAsync(ctx context.Context) oracle.Future { +func (o *MockOracle) GetTimestampAsync(ctx context.Context, _ *oracle.Option) oracle.Future { return &mockOracleFuture{o, ctx} } // GetLowResolutionTimestamp implements oracle.Oracle interface. -func (o *MockOracle) GetLowResolutionTimestamp(ctx context.Context) (uint64, error) { - return o.GetTimestamp(ctx) +func (o *MockOracle) GetLowResolutionTimestamp(ctx context.Context, opt *oracle.Option) (uint64, error) { + return o.GetTimestamp(ctx, opt) } // GetLowResolutionTimestampAsync implements oracle.Oracle interface. -func (o *MockOracle) GetLowResolutionTimestampAsync(ctx context.Context) oracle.Future { - return o.GetTimestampAsync(ctx) +func (o *MockOracle) GetLowResolutionTimestampAsync(ctx context.Context, opt *oracle.Option) oracle.Future { + return o.GetTimestampAsync(ctx, opt) } // IsExpired implements oracle.Oracle interface. -func (o *MockOracle) IsExpired(lockTimestamp uint64, TTL uint64) bool { +func (o *MockOracle) IsExpired(lockTimestamp, TTL uint64, _ *oracle.Option) bool { o.RLock() defer o.RUnlock() @@ -104,7 +104,7 @@ func (o *MockOracle) IsExpired(lockTimestamp uint64, TTL uint64) bool { } // UntilExpired implement oracle.Oracle interface. -func (o *MockOracle) UntilExpired(lockTimeStamp uint64, TTL uint64) int64 { +func (o *MockOracle) UntilExpired(lockTimeStamp, TTL uint64, _ *oracle.Option) int64 { o.RLock() defer o.RUnlock() return oracle.ExtractPhysical(lockTimeStamp) + int64(TTL) - oracle.GetPhysical(time.Now().Add(o.offset)) diff --git a/store/mockstore/mocktikv/executor_test.go b/store/mockstore/mocktikv/executor_test.go index a9c964a4591ba..b98981828287e 100644 --- a/store/mockstore/mocktikv/executor_test.go +++ b/store/mockstore/mocktikv/executor_test.go @@ -25,6 +25,7 @@ import ( "github.com/pingcap/tidb/session" "github.com/pingcap/tidb/store/mockstore/mocktikv" "github.com/pingcap/tidb/store/tikv" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/util/testkit" ) @@ -72,8 +73,8 @@ func (s *testExecutorSuite) TestResolvedLargeTxnLocks(c *C) { tk.MustExec("insert into t values (1, 1)") - oracle := s.store.GetOracle() - tso, err := oracle.GetTimestamp(context.Background()) + o := s.store.GetOracle() + tso, err := o.GetTimestamp(context.Background(), &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) key := tablecodec.EncodeRowKeyWithHandle(tbl.Meta().ID, kv.IntHandle(1)) diff --git a/store/mockstore/mocktikv/pd.go b/store/mockstore/mocktikv/pd.go index cf653978085b2..b2db0de8fb343 100644 --- a/store/mockstore/mocktikv/pd.go +++ b/store/mockstore/mocktikv/pd.go @@ -69,10 +69,18 @@ func (c *pdClient) GetTS(context.Context) (int64, int64, error) { return tsMu.physicalTS, tsMu.logicalTS, nil } +func (c *pdClient) GetLocalTS(ctx context.Context, dcLocation string) (int64, int64, error) { + return c.GetTS(ctx) +} + func (c *pdClient) GetTSAsync(ctx context.Context) pd.TSFuture { return &mockTSFuture{c, ctx, false} } +func (c *pdClient) GetLocalTSAsync(ctx context.Context, dcLocation string) pd.TSFuture { + return c.GetTSAsync(ctx) +} + type mockTSFuture struct { pdc *pdClient ctx context.Context @@ -92,6 +100,10 @@ func (c *pdClient) GetRegion(ctx context.Context, key []byte) (*pd.Region, error return &pd.Region{Meta: region, Leader: peer}, nil } +func (c *pdClient) GetRegionFromMember(ctx context.Context, key []byte, memberURLs []string) (*pd.Region, error) { + return &pd.Region{}, nil +} + func (c *pdClient) GetPrevRegion(ctx context.Context, key []byte) (*pd.Region, error) { region, peer := c.cluster.GetPrevRegionByKey(key) return &pd.Region{Meta: region, Leader: peer}, nil @@ -167,8 +179,12 @@ func (c *pdClient) ScatterRegion(ctx context.Context, regionID uint64) error { return nil } -func (c *pdClient) ScatterRegionWithOption(ctx context.Context, regionID uint64, opts ...pd.ScatterRegionOption) error { - return nil +func (c *pdClient) ScatterRegions(ctx context.Context, regionsID []uint64, opts ...pd.RegionsOption) (*pdpb.ScatterRegionResponse, error) { + return nil, nil +} + +func (c *pdClient) SplitRegions(ctx context.Context, splitKeys [][]byte, opts ...pd.RegionsOption) (*pdpb.SplitRegionsResponse, error) { + return nil, nil } func (c *pdClient) GetOperator(ctx context.Context, regionID uint64) (*pdpb.GetOperatorResponse, error) { diff --git a/store/mockstore/unistore/pd.go b/store/mockstore/unistore/pd.go index 11f5e1f32ea78..ea27bb50c7771 100644 --- a/store/mockstore/unistore/pd.go +++ b/store/mockstore/unistore/pd.go @@ -40,10 +40,18 @@ func newPDClient(pd *us.MockPD) *pdClient { } } +func (c *pdClient) GetLocalTS(ctx context.Context, dcLocation string) (int64, int64, error) { + return c.GetTS(ctx) +} + func (c *pdClient) GetTSAsync(ctx context.Context) pd.TSFuture { return &mockTSFuture{c, ctx, false} } +func (c *pdClient) GetLocalTSAsync(ctx context.Context, dcLocation string) pd.TSFuture { + return &mockTSFuture{c, ctx, false} +} + type mockTSFuture struct { pdc *pdClient ctx context.Context @@ -93,10 +101,18 @@ func (c *pdClient) GetOperator(ctx context.Context, regionID uint64) (*pdpb.GetO return &pdpb.GetOperatorResponse{Status: pdpb.OperatorStatus_SUCCESS}, nil } -func (c *pdClient) ScatterRegionWithOption(ctx context.Context, regionID uint64, opts ...pd.ScatterRegionOption) error { - return nil +func (c *pdClient) GetAllMembers(ctx context.Context) ([]*pdpb.Member, error) { + return nil, nil +} + +func (c *pdClient) ScatterRegions(ctx context.Context, regionsID []uint64, opts ...pd.RegionsOption) (*pdpb.ScatterRegionResponse, error) { + return nil, nil } -func (c *pdClient) GetAllMembers(ctx context.Context) ([]*pdpb.Member, error) { +func (c *pdClient) SplitRegions(ctx context.Context, splitKeys [][]byte, opts ...pd.RegionsOption) (*pdpb.SplitRegionsResponse, error) { + return nil, nil +} + +func (c *pdClient) GetRegionFromMember(ctx context.Context, key []byte, memberURLs []string) (*pd.Region, error) { return nil, nil } diff --git a/store/tikv/1pc_test.go b/store/tikv/1pc_test.go index abbd330a3e90f..09d07aad3ec99 100644 --- a/store/tikv/1pc_test.go +++ b/store/tikv/1pc_test.go @@ -19,6 +19,7 @@ import ( . "github.com/pingcap/check" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/store/tikv/oracle" ) type testOnePCSuite struct { @@ -166,7 +167,7 @@ func (s *testOnePCSuite) Test1PCIsolation(c *C) { // Make `txn`'s commitTs more likely to be less than `txn2`'s startTs if there's bug in commitTs // calculation. for i := 0; i < 10; i++ { - _, err := s.store.oracle.GetTimestamp(ctx) + _, err := s.store.oracle.GetTimestamp(ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) } diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index 47c77816898c4..34275d727397f 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -799,7 +799,7 @@ func (tm *ttlManager) keepAlive(c *twoPhaseCommitter) { return } bo := NewBackofferWithVars(context.Background(), pessimisticLockMaxBackoff, c.txn.vars) - now, err := c.store.GetOracle().GetTimestamp(bo.ctx) + now, err := c.store.GetOracle().GetTimestamp(bo.ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) if err != nil { err1 := bo.Backoff(BoPDRPC, err) if err1 != nil { @@ -1015,7 +1015,7 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { // than the snapshot TS of all existent readers. So we get a new timestamp // from PD as our MinCommitTS. if commitTSMayBeCalculated && config.GetGlobalConfig().TiKVClient.ExternalConsistency { - minCommitTS, err := c.store.oracle.GetTimestamp(ctx) + minCommitTS, err := c.store.oracle.GetTimestamp(ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) // If we fail to get a timestamp from PD, we just propagate the failure // instead of falling back to the normal 2PC because a normal 2PC will // also be likely to fail due to the same timestamp issue. @@ -1158,7 +1158,7 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { } c.commitTS = commitTS - if c.store.oracle.IsExpired(c.startTS, kv.MaxTxnTimeUse) { + if c.store.oracle.IsExpired(c.startTS, kv.MaxTxnTimeUse, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) { err = errors.Errorf("conn %d txn takes too much time, txnStartTS: %d, comm: %d", c.connID, c.startTS, c.commitTS) return err diff --git a/store/tikv/2pc_test.go b/store/tikv/2pc_test.go index 534e339c4ee41..c0b4782ca4990 100644 --- a/store/tikv/2pc_test.go +++ b/store/tikv/2pc_test.go @@ -226,7 +226,7 @@ func (s *testCommitterSuite) TestPrewriteRollback(c *C) { err = committer.prewriteMutations(NewBackofferWithVars(ctx, PrewriteMaxBackoff, nil), committer.mutations) c.Assert(err, IsNil) } - committer.commitTS, err = s.store.oracle.GetTimestamp(ctx) + committer.commitTS, err = s.store.oracle.GetTimestamp(ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) err = committer.commitMutations(NewBackofferWithVars(ctx, int(atomic.LoadUint64(&CommitMaxBackoff)), nil), &PlainMutations{keys: [][]byte{[]byte("a")}}) c.Assert(err, IsNil) @@ -677,7 +677,7 @@ func (s *testCommitterSuite) TestPessimisticTTL(c *C) { err = txn.LockKeys(context.Background(), lockCtx, key2) c.Assert(err, IsNil) lockInfo := s.getLockInfo(c, key) - msBeforeLockExpired := s.store.GetOracle().UntilExpired(txn.StartTS(), lockInfo.LockTtl) + msBeforeLockExpired := s.store.GetOracle().UntilExpired(txn.StartTS(), lockInfo.LockTtl, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(msBeforeLockExpired, GreaterEqual, int64(100)) lr := newLockResolver(s.store) @@ -690,7 +690,7 @@ func (s *testCommitterSuite) TestPessimisticTTL(c *C) { for i := 0; i < 50; i++ { lockInfoNew := s.getLockInfo(c, key) if lockInfoNew.LockTtl > lockInfo.LockTtl { - currentTS, err := lr.store.GetOracle().GetTimestamp(bo.ctx) + currentTS, err := lr.store.GetOracle().GetTimestamp(bo.ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) // Check that the TTL is update to a reasonable range. expire := oracle.ExtractPhysical(txn.startTS) + int64(lockInfoNew.LockTtl) diff --git a/store/tikv/async_commit_test.go b/store/tikv/async_commit_test.go index d33dc686b13e8..7b5ce75fd0616 100644 --- a/store/tikv/async_commit_test.go +++ b/store/tikv/async_commit_test.go @@ -28,6 +28,7 @@ import ( "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/store/mockstore/cluster" "github.com/pingcap/tidb/store/mockstore/unistore" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/store/tikv/tikvrpc" ) @@ -161,7 +162,7 @@ func (s *testAsyncCommitSuite) lockKeys(c *C, keys, values [][]byte, primaryKey, c.Assert(err, IsNil) if commitPrimary { - tpc.commitTS, err = s.store.oracle.GetTimestamp(ctx) + tpc.commitTS, err = s.store.oracle.GetTimestamp(ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) err = tpc.commitMutations(NewBackofferWithVars(ctx, int(atomic.LoadUint64(&CommitMaxBackoff)), nil), tpc.mutationsOfKeys([][]byte{primaryKey})) c.Assert(err, IsNil) @@ -192,13 +193,13 @@ func (s *testAsyncCommitSuite) TestCheckSecondaries(c *C) { s.lockKeys(c, [][]byte{}, [][]byte{}, []byte("z"), []byte("z"), false) lock := s.mustGetLock(c, []byte("z")) lock.UseAsyncCommit = true - ts, err := s.store.oracle.GetTimestamp(context.Background()) + ts, err := s.store.oracle.GetTimestamp(context.Background(), &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) status := TxnStatus{primaryLock: &kvrpcpb.LockInfo{Secondaries: [][]byte{}, UseAsyncCommit: true, MinCommitTs: ts}} err = s.store.lockResolver.resolveLockAsync(s.bo, lock, status) c.Assert(err, IsNil) - currentTS, err := s.store.oracle.GetTimestamp(context.Background()) + currentTS, err := s.store.oracle.GetTimestamp(context.Background(), &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) status, err = s.store.lockResolver.getTxnStatus(s.bo, lock.TxnID, []byte("z"), currentTS, currentTS, true) c.Assert(err, IsNil) @@ -206,7 +207,7 @@ func (s *testAsyncCommitSuite) TestCheckSecondaries(c *C) { c.Assert(status.CommitTS(), Equals, ts) // One key is committed (i), one key is locked (a). Should get committed. - ts, err = s.store.oracle.GetTimestamp(context.Background()) + ts, err = s.store.oracle.GetTimestamp(context.Background(), &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) commitTs := ts + 10 @@ -284,7 +285,7 @@ func (s *testAsyncCommitSuite) TestCheckSecondaries(c *C) { c.Assert(gotResolve, Equals, int64(1)) // One key has been rolled back (b), one is locked (a). Should be rolled back. - ts, err = s.store.oracle.GetTimestamp(context.Background()) + ts, err = s.store.oracle.GetTimestamp(context.Background(), &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) commitTs = ts + 10 @@ -340,7 +341,7 @@ func (s *testAsyncCommitSuite) TestRepeatableRead(c *C) { txn1.Set([]byte("k1"), []byte("v2")) for i := 0; i < 20; i++ { - _, err := s.store.GetOracle().GetTimestamp(ctx) + _, err := s.store.GetOracle().GetTimestamp(ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) } diff --git a/store/tikv/gcworker/gc_worker_test.go b/store/tikv/gcworker/gc_worker_test.go index 4d010570839b1..11b981aaa1758 100644 --- a/store/tikv/gcworker/gc_worker_test.go +++ b/store/tikv/gcworker/gc_worker_test.go @@ -137,7 +137,7 @@ func (s *testGCWorkerSuite) mustGetNone(c *C, key string, ts uint64) { } func (s *testGCWorkerSuite) mustAllocTs(c *C) uint64 { - ts, err := s.oracle.GetTimestamp(context.Background()) + ts, err := s.oracle.GetTimestamp(context.Background(), &oracle.Option{}) c.Assert(err, IsNil) return ts } diff --git a/store/tikv/kv.go b/store/tikv/kv.go index 53dae50d13c04..dfe8159bb27e5 100644 --- a/store/tikv/kv.go +++ b/store/tikv/kv.go @@ -397,7 +397,7 @@ func (s *tikvStore) getTimestampWithRetry(bo *Backoffer) (uint64, error) { } for { - startTS, err := s.oracle.GetTimestamp(bo.ctx) + startTS, err := s.oracle.GetTimestamp(bo.ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) // mockGetTSErrorInRetry should wait MockCommitErrorOnce first, then will run into retry() logic. // Then mockGetTSErrorInRetry will return retryable error when first retry. // Before PR #8743, we don't cleanup txn after meet error such as error like: PD server timeout diff --git a/store/tikv/lock_resolver.go b/store/tikv/lock_resolver.go index d39e94a0ab8d3..c3584afa9c484 100644 --- a/store/tikv/lock_resolver.go +++ b/store/tikv/lock_resolver.go @@ -28,6 +28,7 @@ import ( "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/metrics" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/store/tikv/tikvrpc" "github.com/pingcap/tidb/util/execdetails" "github.com/pingcap/tidb/util/logutil" @@ -218,7 +219,7 @@ func (lr *LockResolver) BatchResolveLocks(bo *Backoffer, locks []*Lock, loc Regi // locks have been cleaned before GC. expiredLocks := locks - callerStartTS, err := lr.store.GetOracle().GetTimestamp(bo.ctx) + callerStartTS, err := lr.store.GetOracle().GetTimestamp(bo.ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) if err != nil { return false, errors.Trace(err) } @@ -376,7 +377,7 @@ func (lr *LockResolver) resolveLocks(bo *Backoffer, callerStartTS uint64, locks tikvLockResolverCountWithNotExpired.Inc() // If the lock is valid, the txn may be a pessimistic transaction. // Update the txn expire time. - msBeforeLockExpired := lr.store.GetOracle().UntilExpired(l.TxnID, status.ttl) + msBeforeLockExpired := lr.store.GetOracle().UntilExpired(l.TxnID, status.ttl, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) msBeforeTxnExpired.update(msBeforeLockExpired) if forWrite { // Write conflict detected! @@ -446,7 +447,7 @@ func (t *txnExpireTime) value() int64 { func (lr *LockResolver) GetTxnStatus(txnID uint64, callerStartTS uint64, primary []byte) (TxnStatus, error) { var status TxnStatus bo := NewBackoffer(context.Background(), cleanupMaxBackoff) - currentTS, err := lr.store.GetOracle().GetLowResolutionTimestamp(bo.ctx) + currentTS, err := lr.store.GetOracle().GetLowResolutionTimestamp(bo.ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) if err != nil { return status, err } @@ -469,7 +470,7 @@ func (lr *LockResolver) getTxnStatusFromLock(bo *Backoffer, l *Lock, callerStart // Set currentTS to max uint64 to make the lock expired. currentTS = math.MaxUint64 } else { - currentTS, err = lr.store.GetOracle().GetLowResolutionTimestamp(bo.ctx) + currentTS, err = lr.store.GetOracle().GetLowResolutionTimestamp(bo.ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) if err != nil { return TxnStatus{}, err } @@ -502,7 +503,7 @@ func (lr *LockResolver) getTxnStatusFromLock(bo *Backoffer, l *Lock, callerStart logutil.Logger(bo.ctx).Warn("getTxnStatusFromLock backoff fail", zap.Error(err)) } - if lr.store.GetOracle().UntilExpired(l.TxnID, l.TTL) <= 0 { + if lr.store.GetOracle().UntilExpired(l.TxnID, l.TTL, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) <= 0 { logutil.Logger(bo.ctx).Warn("lock txn not found, lock has expired", zap.Uint64("CallerStartTs", callerStartTS), zap.Stringer("lock str", l)) @@ -594,7 +595,7 @@ func (lr *LockResolver) getTxnStatus(bo *Backoffer, txnID uint64, primary []byte status.primaryLock = cmdResp.LockInfo if status.primaryLock != nil && status.primaryLock.UseAsyncCommit { - if !lr.store.GetOracle().IsExpired(txnID, cmdResp.LockTtl) { + if !lr.store.GetOracle().IsExpired(txnID, cmdResp.LockTtl, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) { status.ttl = cmdResp.LockTtl } } else if cmdResp.LockTtl != 0 { diff --git a/store/tikv/lock_test.go b/store/tikv/lock_test.go index c992b2d12df8a..11a29b3fc478f 100644 --- a/store/tikv/lock_test.go +++ b/store/tikv/lock_test.go @@ -29,6 +29,7 @@ import ( "github.com/pingcap/failpoint" "github.com/pingcap/kvproto/pkg/kvrpcpb" "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/store/tikv/tikvrpc" ) @@ -72,7 +73,7 @@ func (s *testLockSuite) lockKey(c *C, key, value, primaryKey, primaryValue []byt c.Assert(err, IsNil) if commitPrimary { - tpc.commitTS, err = s.store.oracle.GetTimestamp(ctx) + tpc.commitTS, err = s.store.oracle.GetTimestamp(ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) err = tpc.commitMutations(NewBackofferWithVars(ctx, int(atomic.LoadUint64(&CommitMaxBackoff)), nil), tpc.mutationsOfKeys([][]byte{primaryKey})) c.Assert(err, IsNil) @@ -214,7 +215,7 @@ func (s *testLockSuite) TestCheckTxnStatusTTL(c *C) { bo := NewBackofferWithVars(context.Background(), PrewriteMaxBackoff, nil) lr := newLockResolver(s.store) - callerStartTS, err := lr.store.GetOracle().GetTimestamp(bo.ctx) + callerStartTS, err := lr.store.GetOracle().GetTimestamp(bo.ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) // Check the lock TTL of a transaction. @@ -279,8 +280,8 @@ func (s *testLockSuite) TestCheckTxnStatus(c *C) { txn.Set(kv.Key("second"), []byte("xxx")) s.prewriteTxnWithTTL(c, txn.(*tikvTxn), 1000) - oracle := s.store.GetOracle() - currentTS, err := oracle.GetTimestamp(context.Background()) + o := s.store.GetOracle() + currentTS, err := o.GetTimestamp(context.Background(), &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) c.Assert(currentTS, Greater, txn.StartTS()) @@ -307,7 +308,7 @@ func (s *testLockSuite) TestCheckTxnStatus(c *C) { c.Assert(timeBeforeExpire, Equals, int64(0)) // Then call getTxnStatus again and check the lock status. - currentTS, err = oracle.GetTimestamp(context.Background()) + currentTS, err = o.GetTimestamp(context.Background(), &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) status, err = newLockResolver(s.store).getTxnStatus(bo, txn.StartTS(), []byte("key"), currentTS, 0, true) c.Assert(err, IsNil) @@ -338,8 +339,8 @@ func (s *testLockSuite) TestCheckTxnStatusNoWait(c *C) { err = committer.prewriteMutations(NewBackofferWithVars(context.Background(), PrewriteMaxBackoff, nil), committer.mutationsOfKeys([][]byte{[]byte("second")})) c.Assert(err, IsNil) - oracle := s.store.GetOracle() - currentTS, err := oracle.GetTimestamp(context.Background()) + o := s.store.GetOracle() + currentTS, err := o.GetTimestamp(context.Background(), &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) bo := NewBackofferWithVars(context.Background(), PrewriteMaxBackoff, nil) resolver := newLockResolver(s.store) @@ -369,7 +370,7 @@ func (s *testLockSuite) TestCheckTxnStatusNoWait(c *C) { c.Assert(committer.cleanupMutations(bo, committer.mutations), IsNil) // Call getTxnStatusFromLock to cover TxnNotFound and retry timeout. - startTS, err := oracle.GetTimestamp(context.Background()) + startTS, err := o.GetTimestamp(context.Background(), &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) lock = &Lock{ Key: []byte("second"), @@ -491,9 +492,9 @@ func (s *testLockSuite) TestBatchResolveLocks(c *C) { } // Locks may not expired - msBeforeLockExpired := s.store.GetOracle().UntilExpired(locks[0].TxnID, locks[1].TTL) + msBeforeLockExpired := s.store.GetOracle().UntilExpired(locks[0].TxnID, locks[1].TTL, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(msBeforeLockExpired, Greater, int64(0)) - msBeforeLockExpired = s.store.GetOracle().UntilExpired(locks[3].TxnID, locks[3].TTL) + msBeforeLockExpired = s.store.GetOracle().UntilExpired(locks[3].TxnID, locks[3].TTL, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(msBeforeLockExpired, Greater, int64(0)) lr := newLockResolver(s.store) diff --git a/store/tikv/oracle/oracle.go b/store/tikv/oracle/oracle.go index 9381622e3b3a9..c49412c3110d5 100644 --- a/store/tikv/oracle/oracle.go +++ b/store/tikv/oracle/oracle.go @@ -22,14 +22,19 @@ import ( "go.uber.org/zap" ) +// Option represents available options for the oracle.Oracle. +type Option struct { + TxnScope string +} + // Oracle is the interface that provides strictly ascending timestamps. type Oracle interface { - GetTimestamp(ctx context.Context) (uint64, error) - GetTimestampAsync(ctx context.Context) Future - GetLowResolutionTimestamp(ctx context.Context) (uint64, error) - GetLowResolutionTimestampAsync(ctx context.Context) Future - IsExpired(lockTimestamp uint64, TTL uint64) bool - UntilExpired(lockTimeStamp uint64, TTL uint64) int64 + GetTimestamp(ctx context.Context, opt *Option) (uint64, error) + GetTimestampAsync(ctx context.Context, opt *Option) Future + GetLowResolutionTimestamp(ctx context.Context, opt *Option) (uint64, error) + GetLowResolutionTimestampAsync(ctx context.Context, opt *Option) Future + IsExpired(lockTimestamp, TTL uint64, opt *Option) bool + UntilExpired(lockTimeStamp, TTL uint64, opt *Option) int64 Close() } @@ -38,7 +43,11 @@ type Future interface { Wait() (uint64, error) } -const physicalShiftBits = 18 +const ( + physicalShiftBits = 18 + // GlobalTxnScope is the default transaction scope for a Oracle service. + GlobalTxnScope = "global" +) // ComposeTS creates a ts from physical and logical parts. func ComposeTS(physical, logical int64) uint64 { diff --git a/store/tikv/oracle/oracles/export_test.go b/store/tikv/oracle/oracles/export_test.go index 999c8cf5f6e39..3a6ceb965420e 100644 --- a/store/tikv/oracle/oracles/export_test.go +++ b/store/tikv/oracle/oracles/export_test.go @@ -14,6 +14,7 @@ package oracles import ( + "sync/atomic" "time" "github.com/pingcap/tidb/store/tikv/oracle" @@ -45,10 +46,12 @@ func NewEmptyPDOracle() oracle.Oracle { return &pdOracle{} } -// SetEmptyPDOracleLastTs exports PD oracle's last ts to test. +// SetEmptyPDOracleLastTs exports PD oracle's global last ts to test. func SetEmptyPDOracleLastTs(oc oracle.Oracle, ts uint64) { switch o := oc.(type) { case *pdOracle: - o.lastTS = ts + lastTSInterface, _ := o.lastTSMap.LoadOrStore(oracle.GlobalTxnScope, new(uint64)) + lastTSPointer := lastTSInterface.(*uint64) + atomic.StoreUint64(lastTSPointer, ts) } } diff --git a/store/tikv/oracle/oracles/local.go b/store/tikv/oracle/oracles/local.go index 8c4f069f1c0fa..aaaba70f2a11b 100644 --- a/store/tikv/oracle/oracles/local.go +++ b/store/tikv/oracle/oracles/local.go @@ -37,7 +37,7 @@ func NewLocalOracle() oracle.Oracle { return &localOracle{} } -func (l *localOracle) IsExpired(lockTS uint64, TTL uint64) bool { +func (l *localOracle) IsExpired(lockTS, TTL uint64, _ *oracle.Option) bool { now := time.Now() if l.hook != nil { now = l.hook.currentTime @@ -45,7 +45,7 @@ func (l *localOracle) IsExpired(lockTS uint64, TTL uint64) bool { return oracle.GetPhysical(now) >= oracle.ExtractPhysical(lockTS)+int64(TTL) } -func (l *localOracle) GetTimestamp(context.Context) (uint64, error) { +func (l *localOracle) GetTimestamp(ctx context.Context, _ *oracle.Option) (uint64, error) { l.Lock() defer l.Unlock() now := time.Now() @@ -63,19 +63,19 @@ func (l *localOracle) GetTimestamp(context.Context) (uint64, error) { return ts, nil } -func (l *localOracle) GetTimestampAsync(ctx context.Context) oracle.Future { +func (l *localOracle) GetTimestampAsync(ctx context.Context, _ *oracle.Option) oracle.Future { return &future{ ctx: ctx, l: l, } } -func (l *localOracle) GetLowResolutionTimestamp(ctx context.Context) (uint64, error) { - return l.GetTimestamp(ctx) +func (l *localOracle) GetLowResolutionTimestamp(ctx context.Context, opt *oracle.Option) (uint64, error) { + return l.GetTimestamp(ctx, opt) } -func (l *localOracle) GetLowResolutionTimestampAsync(ctx context.Context) oracle.Future { - return l.GetTimestampAsync(ctx) +func (l *localOracle) GetLowResolutionTimestampAsync(ctx context.Context, opt *oracle.Option) oracle.Future { + return l.GetTimestampAsync(ctx, opt) } type future struct { @@ -84,11 +84,11 @@ type future struct { } func (f *future) Wait() (uint64, error) { - return f.l.GetTimestamp(f.ctx) + return f.l.GetTimestamp(f.ctx, &oracle.Option{}) } // UntilExpired implement oracle.Oracle interface. -func (l *localOracle) UntilExpired(lockTimeStamp uint64, TTL uint64) int64 { +func (l *localOracle) UntilExpired(lockTimeStamp, TTL uint64, opt *oracle.Option) int64 { now := time.Now() if l.hook != nil { now = l.hook.currentTime diff --git a/store/tikv/oracle/oracles/local_test.go b/store/tikv/oracle/oracles/local_test.go index d2dd31bfe5ee5..becc89725f9b5 100644 --- a/store/tikv/oracle/oracles/local_test.go +++ b/store/tikv/oracle/oracles/local_test.go @@ -18,6 +18,7 @@ import ( "testing" "time" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/store/tikv/oracle/oracles" ) @@ -26,7 +27,7 @@ func TestLocalOracle(t *testing.T) { defer l.Close() m := map[uint64]struct{}{} for i := 0; i < 100000; i++ { - ts, err := l.GetTimestamp(context.Background()) + ts, err := l.GetTimestamp(context.Background(), &oracle.Option{}) if err != nil { t.Error(err) } @@ -43,13 +44,13 @@ func TestIsExpired(t *testing.T) { defer o.Close() start := time.Now() oracles.SetOracleHookCurrentTime(o, start) - ts, _ := o.GetTimestamp(context.Background()) + ts, _ := o.GetTimestamp(context.Background(), &oracle.Option{}) oracles.SetOracleHookCurrentTime(o, start.Add(10*time.Millisecond)) - expire := o.IsExpired(ts, 5) + expire := o.IsExpired(ts, 5, &oracle.Option{}) if !expire { t.Error("should expired") } - expire = o.IsExpired(ts, 200) + expire = o.IsExpired(ts, 200, &oracle.Option{}) if expire { t.Error("should not expired") } @@ -60,9 +61,9 @@ func TestLocalOracle_UntilExpired(t *testing.T) { defer o.Close() start := time.Now() oracles.SetOracleHookCurrentTime(o, start) - ts, _ := o.GetTimestamp(context.Background()) + ts, _ := o.GetTimestamp(context.Background(), &oracle.Option{}) oracles.SetOracleHookCurrentTime(o, start.Add(10*time.Millisecond)) - if o.UntilExpired(ts, 5) != -5 || o.UntilExpired(ts, 15) != 5 { + if o.UntilExpired(ts, 5, &oracle.Option{}) != -5 || o.UntilExpired(ts, 15, &oracle.Option{}) != 5 { t.Error("until expired should be +-5") } } diff --git a/store/tikv/oracle/oracles/pd.go b/store/tikv/oracle/oracles/pd.go index a088ab5106271..116f6d200d14b 100644 --- a/store/tikv/oracle/oracles/pd.go +++ b/store/tikv/oracle/oracles/pd.go @@ -15,6 +15,7 @@ package oracles import ( "context" + "sync" "sync/atomic" "time" @@ -22,7 +23,7 @@ import ( "github.com/pingcap/tidb/metrics" "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/util/logutil" - "github.com/tikv/pd/client" + pd "github.com/tikv/pd/client" "go.uber.org/zap" ) @@ -32,9 +33,10 @@ const slowDist = 30 * time.Millisecond // pdOracle is an Oracle that uses a placement driver client as source. type pdOracle struct { - c pd.Client - lastTS uint64 - quit chan struct{} + c pd.Client + // txn_scope (string) -> lastTSPointer (*uint64) + lastTSMap sync.Map + quit chan struct{} } // NewPdOracle create an Oracle that uses a pd client source. @@ -49,8 +51,8 @@ func NewPdOracle(pdClient pd.Client, updateInterval time.Duration) (oracle.Oracl } ctx := context.TODO() go o.updateTS(ctx, updateInterval) - // Initialize lastTS by Get. - _, err := o.GetTimestamp(ctx) + // Initialize the timestamp of the global txnScope by Get. + _, err := o.GetTimestamp(ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) if err != nil { o.Close() return nil, errors.Trace(err) @@ -60,24 +62,28 @@ func NewPdOracle(pdClient pd.Client, updateInterval time.Duration) (oracle.Oracl // IsExpired returns whether lockTS+TTL is expired, both are ms. It uses `lastTS` // to compare, may return false negative result temporarily. -func (o *pdOracle) IsExpired(lockTS, TTL uint64) bool { - lastTS := atomic.LoadUint64(&o.lastTS) +func (o *pdOracle) IsExpired(lockTS, TTL uint64, opt *oracle.Option) bool { + lastTS, exist := o.getLastTS(opt.TxnScope) + if !exist { + return true + } return oracle.ExtractPhysical(lastTS) >= oracle.ExtractPhysical(lockTS)+int64(TTL) } // GetTimestamp gets a new increasing time. -func (o *pdOracle) GetTimestamp(ctx context.Context) (uint64, error) { - ts, err := o.getTimestamp(ctx) +func (o *pdOracle) GetTimestamp(ctx context.Context, opt *oracle.Option) (uint64, error) { + ts, err := o.getTimestamp(ctx, opt.TxnScope) if err != nil { return 0, errors.Trace(err) } - o.setLastTS(ts) + o.setLastTS(ts, opt.TxnScope) return ts, nil } type tsFuture struct { pd.TSFuture - o *pdOracle + o *pdOracle + txnScope string } // Wait implements the oracle.Future interface. @@ -89,18 +95,31 @@ func (f *tsFuture) Wait() (uint64, error) { return 0, errors.Trace(err) } ts := oracle.ComposeTS(physical, logical) - f.o.setLastTS(ts) + f.o.setLastTS(ts, f.txnScope) return ts, nil } -func (o *pdOracle) GetTimestampAsync(ctx context.Context) oracle.Future { - ts := o.c.GetTSAsync(ctx) - return &tsFuture{ts, o} +func (o *pdOracle) GetTimestampAsync(ctx context.Context, opt *oracle.Option) oracle.Future { + var ts pd.TSFuture + if opt.TxnScope == oracle.GlobalTxnScope || opt.TxnScope == "" { + ts = o.c.GetTSAsync(ctx) + } else { + ts = o.c.GetLocalTSAsync(ctx, opt.TxnScope) + } + return &tsFuture{ts, o, opt.TxnScope} } -func (o *pdOracle) getTimestamp(ctx context.Context) (uint64, error) { +func (o *pdOracle) getTimestamp(ctx context.Context, txnScope string) (uint64, error) { now := time.Now() - physical, logical, err := o.c.GetTS(ctx) + var ( + physical, logical int64 + err error + ) + if txnScope == oracle.GlobalTxnScope || txnScope == "" { + physical, logical, err = o.c.GetTS(ctx) + } else { + physical, logical, err = o.c.GetLocalTS(ctx, txnScope) + } if err != nil { return 0, errors.Trace(err) } @@ -112,11 +131,35 @@ func (o *pdOracle) getTimestamp(ctx context.Context) (uint64, error) { return oracle.ComposeTS(physical, logical), nil } -func (o *pdOracle) setLastTS(ts uint64) { - lastTS := atomic.LoadUint64(&o.lastTS) - if ts > lastTS { - atomic.CompareAndSwapUint64(&o.lastTS, lastTS, ts) +func (o *pdOracle) setLastTS(ts uint64, txnScope string) { + if txnScope == "" { + txnScope = oracle.GlobalTxnScope + } + lastTSInterface, ok := o.lastTSMap.Load(txnScope) + if !ok { + lastTSInterface, _ = o.lastTSMap.LoadOrStore(txnScope, new(uint64)) + } + lastTSPointer := lastTSInterface.(*uint64) + for { + lastTS := atomic.LoadUint64(lastTSPointer) + if ts <= lastTS { + return + } + if atomic.CompareAndSwapUint64(lastTSPointer, lastTS, ts) { + return + } + } +} + +func (o *pdOracle) getLastTS(txnScope string) (uint64, bool) { + if txnScope == "" { + txnScope = oracle.GlobalTxnScope } + lastTSInterface, ok := o.lastTSMap.Load(txnScope) + if !ok { + return 0, false + } + return atomic.LoadUint64(lastTSInterface.(*uint64)), true } func (o *pdOracle) updateTS(ctx context.Context, interval time.Duration) { @@ -125,12 +168,17 @@ func (o *pdOracle) updateTS(ctx context.Context, interval time.Duration) { for { select { case <-ticker.C: - ts, err := o.getTimestamp(ctx) - if err != nil { - logutil.Logger(ctx).Error("updateTS error", zap.Error(err)) - break - } - o.setLastTS(ts) + // Update the timestamp for each txnScope + o.lastTSMap.Range(func(key, _ interface{}) bool { + txnScope := key.(string) + ts, err := o.getTimestamp(ctx, txnScope) + if err != nil { + logutil.Logger(ctx).Error("updateTS error", zap.String("txnScope", txnScope), zap.Error(err)) + return true + } + o.setLastTS(ts, txnScope) + return true + }) case <-o.quit: return } @@ -138,8 +186,11 @@ func (o *pdOracle) updateTS(ctx context.Context, interval time.Duration) { } // UntilExpired implement oracle.Oracle interface. -func (o *pdOracle) UntilExpired(lockTS uint64, TTL uint64) int64 { - lastTS := atomic.LoadUint64(&o.lastTS) +func (o *pdOracle) UntilExpired(lockTS uint64, TTL uint64, opt *oracle.Option) int64 { + lastTS, ok := o.getLastTS(opt.TxnScope) + if !ok { + return 0 + } return oracle.ExtractPhysical(lockTS) + int64(TTL) - oracle.ExtractPhysical(lastTS) } @@ -148,20 +199,35 @@ func (o *pdOracle) Close() { } // A future that resolves immediately to a low resolution timestamp. -type lowResolutionTsFuture uint64 +type lowResolutionTsFuture struct { + ts uint64 + err error +} // Wait implements the oracle.Future interface. func (f lowResolutionTsFuture) Wait() (uint64, error) { - return uint64(f), nil + return f.ts, f.err } // GetLowResolutionTimestamp gets a new increasing time. -func (o *pdOracle) GetLowResolutionTimestamp(ctx context.Context) (uint64, error) { - lastTS := atomic.LoadUint64(&o.lastTS) +func (o *pdOracle) GetLowResolutionTimestamp(ctx context.Context, opt *oracle.Option) (uint64, error) { + lastTS, ok := o.getLastTS(opt.TxnScope) + if !ok { + return 0, errors.Errorf("get low resolution timestamp fail, invalid txnScope = %s", opt.TxnScope) + } return lastTS, nil } -func (o *pdOracle) GetLowResolutionTimestampAsync(ctx context.Context) oracle.Future { - lastTS := atomic.LoadUint64(&o.lastTS) - return lowResolutionTsFuture(lastTS) +func (o *pdOracle) GetLowResolutionTimestampAsync(ctx context.Context, opt *oracle.Option) oracle.Future { + lastTS, ok := o.getLastTS(opt.TxnScope) + if !ok { + return lowResolutionTsFuture{ + ts: 0, + err: errors.Errorf("get low resolution timestamp async fail, invalid txnScope = %s", opt.TxnScope), + } + } + return lowResolutionTsFuture{ + ts: lastTS, + err: nil, + } } diff --git a/store/tikv/oracle/oracles/pd_test.go b/store/tikv/oracle/oracles/pd_test.go index e5199fbf2ad7f..1cd6aa8646075 100644 --- a/store/tikv/oracle/oracles/pd_test.go +++ b/store/tikv/oracle/oracles/pd_test.go @@ -32,7 +32,7 @@ func TestPDOracle_UntilExpired(t *testing.T) { start := time.Now() oracles.SetEmptyPDOracleLastTs(o, oracle.ComposeTS(oracle.GetPhysical(start), 0)) lockTs := oracle.ComposeTS(oracle.GetPhysical(start.Add(time.Duration(lockAfter)*time.Millisecond)), 1) - waitTs := o.UntilExpired(lockTs, uint64(lockExp)) + waitTs := o.UntilExpired(lockTs, uint64(lockExp), &oracle.Option{TxnScope: oracle.GlobalTxnScope}) if waitTs != int64(lockAfter+lockExp) { t.Errorf("waitTs shoulb be %d but got %d", int64(lockAfter+lockExp), waitTs) } diff --git a/store/tikv/split_region.go b/store/tikv/split_region.go index 353b9f5a9e6e0..1c46146384333 100644 --- a/store/tikv/split_region.go +++ b/store/tikv/split_region.go @@ -213,11 +213,11 @@ func (s *tikvStore) scatterRegion(bo *Backoffer, regionID uint64, tableID *int64 logutil.BgLogger().Info("start scatter region", zap.Uint64("regionID", regionID)) for { - opts := make([]pd.ScatterRegionOption, 0, 1) + opts := make([]pd.RegionsOption, 0, 1) if tableID != nil { opts = append(opts, pd.WithGroup(fmt.Sprintf("%v", *tableID))) } - err := s.pdClient.ScatterRegionWithOption(bo.ctx, regionID, opts...) + _, err := s.pdClient.ScatterRegions(bo.ctx, []uint64{regionID}, opts...) failpoint.Inject("MockScatterRegionTimeout", func(val failpoint.Value) { if val.(bool) { diff --git a/store/tikv/store_test.go b/store/tikv/store_test.go index 2f07d28db6120..3dcdd7a9b1e6b 100644 --- a/store/tikv/store_test.go +++ b/store/tikv/store_test.go @@ -26,6 +26,7 @@ import ( "github.com/pingcap/kvproto/pkg/pdpb" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/store/mockoracle" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/store/tikv/tikvrpc" pd "github.com/tikv/pd/client" ) @@ -67,14 +68,14 @@ func (s *testStoreSuite) TestOracle(c *C) { c.Assert(err, IsNil) c.Assert(t1, Less, t2) - t1, err = o.GetLowResolutionTimestamp(ctx) + t1, err = o.GetLowResolutionTimestamp(ctx, &oracle.Option{}) c.Assert(err, IsNil) - t2, err = o.GetLowResolutionTimestamp(ctx) + t2, err = o.GetLowResolutionTimestamp(ctx, &oracle.Option{}) c.Assert(err, IsNil) c.Assert(t1, Less, t2) - f := o.GetLowResolutionTimestampAsync(ctx) + f := o.GetLowResolutionTimestampAsync(ctx, &oracle.Option{}) c.Assert(f, NotNil) - _ = o.UntilExpired(0, 0) + _ = o.UntilExpired(0, 0, &oracle.Option{}) // Check retry. var wg sync.WaitGroup @@ -92,7 +93,7 @@ func (s *testStoreSuite) TestOracle(c *C) { t3, err := s.store.getTimestampWithRetry(NewBackofferWithVars(ctx, tsoMaxBackoff, nil)) c.Assert(err, IsNil) c.Assert(t2, Less, t3) - expired := s.store.oracle.IsExpired(t2, 50) + expired := s.store.oracle.IsExpired(t2, 50, &oracle.Option{}) c.Assert(expired, IsTrue) }() @@ -135,10 +136,18 @@ func (c *mockPDClient) GetTS(ctx context.Context) (int64, int64, error) { return c.client.GetTS(ctx) } +func (c *mockPDClient) GetLocalTS(ctx context.Context, dcLocation string) (int64, int64, error) { + return c.GetTS(ctx) +} + func (c *mockPDClient) GetTSAsync(ctx context.Context) pd.TSFuture { return nil } +func (c *mockPDClient) GetLocalTSAsync(ctx context.Context, dcLocation string) pd.TSFuture { + return nil +} + func (c *mockPDClient) GetRegion(ctx context.Context, key []byte) (*pd.Region, error) { c.RLock() defer c.RUnlock() @@ -149,6 +158,10 @@ func (c *mockPDClient) GetRegion(ctx context.Context, key []byte) (*pd.Region, e return c.client.GetRegion(ctx, key) } +func (c *mockPDClient) GetRegionFromMember(ctx context.Context, key []byte, memberURLs []string) (*pd.Region, error) { + return nil, nil +} + func (c *mockPDClient) GetPrevRegion(ctx context.Context, key []byte) (*pd.Region, error) { c.RLock() defer c.RUnlock() @@ -213,16 +226,20 @@ func (c *mockPDClient) ScatterRegion(ctx context.Context, regionID uint64) error return nil } +func (c *mockPDClient) ScatterRegions(ctx context.Context, regionsID []uint64, opts ...pd.RegionsOption) (*pdpb.ScatterRegionResponse, error) { + return nil, nil +} + +func (c *mockPDClient) SplitRegions(ctx context.Context, splitKeys [][]byte, opts ...pd.RegionsOption) (*pdpb.SplitRegionsResponse, error) { + return nil, nil +} + func (c *mockPDClient) GetOperator(ctx context.Context, regionID uint64) (*pdpb.GetOperatorResponse, error) { return &pdpb.GetOperatorResponse{Status: pdpb.OperatorStatus_SUCCESS}, nil } func (c *mockPDClient) GetLeaderAddr() string { return "mockpd" } -func (c *mockPDClient) ScatterRegionWithOption(ctx context.Context, regionID uint64, opts ...pd.ScatterRegionOption) error { - return nil -} - type checkRequestClient struct { Client priority pb.CommandPri From aa9f7584f8fbcdb1dec35e3fa520224825000112 Mon Sep 17 00:00:00 2001 From: wjHuang Date: Thu, 19 Nov 2020 16:20:33 +0800 Subject: [PATCH 0250/1021] server: remove prepare stmt if no retry in stmt close() (#20867) Signed-off-by: wjhuang2016 --- server/driver_tidb.go | 20 +++++++++++++++++--- server/tidb_test.go | 22 ++++++++++++++++++++++ sessionctx/variable/session.go | 11 ++++++----- 3 files changed, 45 insertions(+), 8 deletions(-) diff --git a/server/driver_tidb.go b/server/driver_tidb.go index 206d73dc735fb..8292029590b8a 100644 --- a/server/driver_tidb.go +++ b/server/driver_tidb.go @@ -18,6 +18,7 @@ import ( "crypto/tls" "sync/atomic" + "github.com/pingcap/errors" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/charset" "github.com/pingcap/parser/mysql" @@ -149,9 +150,22 @@ func (ts *TiDBStatement) Reset() { // Close implements PreparedStatement Close method. func (ts *TiDBStatement) Close() error { //TODO close at tidb level - err := ts.ctx.DropPreparedStmt(ts.id) - if err != nil { - return err + if ts.ctx.GetSessionVars().TxnCtx != nil && ts.ctx.GetSessionVars().TxnCtx.CouldRetry { + err := ts.ctx.DropPreparedStmt(ts.id) + if err != nil { + return err + } + } else { + if core.PreparedPlanCacheEnabled() { + preparedPointer := ts.ctx.GetSessionVars().PreparedStmts[ts.id] + preparedObj, ok := preparedPointer.(*core.CachedPrepareStmt) + if !ok { + return errors.Errorf("invalid CachedPrepareStmt type") + } + ts.ctx.PreparedPlanCache().Delete(core.NewPSTMTPlanCacheKey( + ts.ctx.GetSessionVars(), ts.id, preparedObj.PreparedAst.SchemaVersion)) + } + ts.ctx.GetSessionVars().RemovePreparedStmt(ts.id) } delete(ts.ctx.stmts, int(ts.id)) diff --git a/server/tidb_test.go b/server/tidb_test.go index 96a698c3f9b9c..eeac9534499ba 100644 --- a/server/tidb_test.go +++ b/server/tidb_test.go @@ -27,6 +27,7 @@ import ( "net/http" "os" "path/filepath" + "sync/atomic" "time" "github.com/go-sql-driver/mysql" @@ -38,6 +39,7 @@ import ( "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/metrics" "github.com/pingcap/tidb/session" + "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/store/mockstore" "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/logutil" @@ -994,3 +996,23 @@ func (ts *tidbTestSuite) TestPessimisticInsertSelectForUpdate(c *C) { c.Assert(err, IsNil) c.Assert(rs, IsNil) // should be no delay } + +func (ts *tidbTestSerialSuite) TestPrepareCount(c *C) { + qctx, err := ts.tidbdrv.OpenCtx(uint64(0), 0, uint8(tmysql.DefaultCollationID), "test", nil) + c.Assert(err, IsNil) + prepareCnt := atomic.LoadInt64(&variable.PreparedStmtCount) + ctx := context.Background() + _, err = Execute(ctx, qctx, "use test;") + c.Assert(err, IsNil) + _, err = Execute(ctx, qctx, "drop table if exists t1") + c.Assert(err, IsNil) + _, err = Execute(ctx, qctx, "create table t1 (id int)") + c.Assert(err, IsNil) + stmt, _, _, err := qctx.Prepare("insert into t1 values (?)") + c.Assert(err, IsNil) + c.Assert(atomic.LoadInt64(&variable.PreparedStmtCount), Equals, prepareCnt+1) + c.Assert(err, IsNil) + err = qctx.GetStatement(stmt.ID()).Close() + c.Assert(err, IsNil) + c.Assert(atomic.LoadInt64(&variable.PreparedStmtCount), Equals, prepareCnt) +} diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 271fd2b88b727..8f87e01ccc439 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -56,7 +56,8 @@ import ( atomic2 "go.uber.org/atomic" ) -var preparedStmtCount int64 +// PreparedStmtCount is exported for test. +var PreparedStmtCount int64 // RetryInfo saves retry information. type RetryInfo struct { @@ -1186,9 +1187,9 @@ func (s *SessionVars) AddPreparedStmt(stmtID uint32, stmt interface{}) error { if err != nil { maxPreparedStmtCount = DefMaxPreparedStmtCount } - newPreparedStmtCount := atomic.AddInt64(&preparedStmtCount, 1) + newPreparedStmtCount := atomic.AddInt64(&PreparedStmtCount, 1) if maxPreparedStmtCount >= 0 && newPreparedStmtCount > maxPreparedStmtCount { - atomic.AddInt64(&preparedStmtCount, -1) + atomic.AddInt64(&PreparedStmtCount, -1) return ErrMaxPreparedStmtCountReached.GenWithStackByArgs(maxPreparedStmtCount) } metrics.PreparedStmtGauge.Set(float64(newPreparedStmtCount)) @@ -1204,7 +1205,7 @@ func (s *SessionVars) RemovePreparedStmt(stmtID uint32) { return } delete(s.PreparedStmts, stmtID) - afterMinus := atomic.AddInt64(&preparedStmtCount, -1) + afterMinus := atomic.AddInt64(&PreparedStmtCount, -1) metrics.PreparedStmtGauge.Set(float64(afterMinus)) } @@ -1214,7 +1215,7 @@ func (s *SessionVars) WithdrawAllPreparedStmt() { if psCount == 0 { return } - afterMinus := atomic.AddInt64(&preparedStmtCount, -int64(psCount)) + afterMinus := atomic.AddInt64(&PreparedStmtCount, -int64(psCount)) metrics.PreparedStmtGauge.Set(float64(afterMinus)) } From 42d0208032a97c9fb44dbcec4767b17d7d815e99 Mon Sep 17 00:00:00 2001 From: Null not nil <67764674+nullnotnil@users.noreply.github.com> Date: Thu, 19 Nov 2020 01:47:33 -0700 Subject: [PATCH 0251/1021] expression: fix builtin IF truncation of type len (#20743) --- expression/builtin_control.go | 13 +++++++++++-- expression/expr_to_pb_test.go | 4 ++-- expression/integration_test.go | 10 ++++++++++ 3 files changed, 23 insertions(+), 4 deletions(-) diff --git a/expression/builtin_control.go b/expression/builtin_control.go index cfba5f3bb32fd..a0b4eaa53e52f 100644 --- a/expression/builtin_control.go +++ b/expression/builtin_control.go @@ -54,6 +54,14 @@ var ( _ builtinFunc = &builtinIfJSONSig{} ) +func maxlen(lhsFlen, rhsFlen int) int { + // -1 indicates that the length is unknown, such as the case for expressions. + if lhsFlen < 0 || rhsFlen < 0 { + return mysql.MaxRealWidth + } + return mathutil.Max(lhsFlen, rhsFlen) +} + // InferType4ControlFuncs infer result type for builtin IF, IFNULL, NULLIF, LEAD and LAG. func InferType4ControlFuncs(lexp, rexp Expression) *types.FieldType { lhs, rhs := lexp.GetType(), rexp.GetType() @@ -114,9 +122,10 @@ func InferType4ControlFuncs(lexp, rexp Expression) *types.FieldType { if lhs.Decimal != types.UnspecifiedLength { rhsFlen -= rhs.Decimal } - resultFieldType.Flen = mathutil.Max(lhsFlen, rhsFlen) + resultFieldType.Decimal + 1 + flen := maxlen(lhsFlen, rhsFlen) + resultFieldType.Decimal + 1 // account for -1 len fields + resultFieldType.Flen = mathutil.Min(flen, mysql.MaxDecimalWidth) // make sure it doesn't overflow } else { - resultFieldType.Flen = mathutil.Max(lhs.Flen, rhs.Flen) + resultFieldType.Flen = maxlen(lhs.Flen, rhs.Flen) } } // Fix decimal for int and string. diff --git a/expression/expr_to_pb_test.go b/expression/expr_to_pb_test.go index 7c9bdd12c1d0b..5ae93fe87359c 100644 --- a/expression/expr_to_pb_test.go +++ b/expression/expr_to_pb_test.go @@ -558,8 +558,8 @@ func (s *testEvaluatorSuite) TestControlFunc2Pb(c *C) { c.Assert(err, IsNil) jsons := []string{ "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAM=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":4208,\"field_type\":{\"tp\":3,\"flag\":128,\"flen\":-1,\"decimal\":0,\"collate\":63,\"charset\":\"\"}}", - "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAM=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":4107,\"field_type\":{\"tp\":3,\"flag\":128,\"flen\":-1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", - "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":4101,\"field_type\":{\"tp\":3,\"flag\":128,\"flen\":-1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", + "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAM=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":4107,\"field_type\":{\"tp\":3,\"flag\":128,\"flen\":24,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", + "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":4101,\"field_type\":{\"tp\":3,\"flag\":128,\"flen\":24,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", "null", } for i, pbExpr := range pbExprs { diff --git a/expression/integration_test.go b/expression/integration_test.go index b9c15e8691b1f..617aab9ff23ba 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7681,6 +7681,16 @@ func (s *testIntegrationSuite) TestIssue20180(c *C) { tk.MustQuery("select * from t where a > 1 and a = \"b\";").Check(testkit.Rows("b")) } +func (s *testIntegrationSuite) TestIssue20730(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("DROP TABLE IF EXISTS tmp;") + tk.MustExec("CREATE TABLE tmp (id int(11) NOT NULL,value int(1) NOT NULL,PRIMARY KEY (id))") + tk.MustExec("INSERT INTO tmp VALUES (1, 1),(2,2),(3,3),(4,4),(5,5)") + tk.MustExec("SET @sum := 10") + tk.MustQuery("SELECT @sum := IF(@sum=20,4,@sum + tmp.value) sum FROM tmp ORDER BY tmp.id").Check(testkit.Rows("11", "13", "16", "20", "4")) +} + func (s *testIntegrationSerialSuite) TestClusteredIndexAndNewCollation(c *C) { collate.SetNewCollationEnabledForTest(true) defer collate.SetNewCollationEnabledForTest(false) From 61b9930c5c7c7c4f382cb53b1032dca2ac75c637 Mon Sep 17 00:00:00 2001 From: Yilin Chen Date: Thu, 19 Nov 2020 17:02:53 +0800 Subject: [PATCH 0252/1021] tikv: don't set undetermined error for cancelled prewrites (#20983) Signed-off-by: Yilin Chen --- store/mockstore/unistore/rpc.go | 16 ++++++++---- store/tikv/2pc.go | 14 +++++----- store/tikv/async_commit_fail_test.go | 38 ++++++++++++++++++++++++++++ store/tikv/prewrite.go | 4 ++- 4 files changed, 60 insertions(+), 12 deletions(-) diff --git a/store/mockstore/unistore/rpc.go b/store/mockstore/unistore/rpc.go index bf8c65f183dc6..1cd93f9e0d289 100644 --- a/store/mockstore/unistore/rpc.go +++ b/store/mockstore/unistore/rpc.go @@ -91,11 +91,17 @@ func (c *RPCClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.R resp.Resp, err = c.usSvr.KvScan(ctx, req.Scan()) case tikvrpc.CmdPrewrite: failpoint.Inject("rpcPrewriteResult", func(val failpoint.Value) { - switch val.(string) { - case "notLeader": - failpoint.Return(&tikvrpc.Response{ - Resp: &kvrpcpb.PrewriteResponse{RegionError: &errorpb.Error{NotLeader: &errorpb.NotLeader{}}}, - }, nil) + if val != nil { + switch val.(string) { + case "notLeader": + failpoint.Return(&tikvrpc.Response{ + Resp: &kvrpcpb.PrewriteResponse{RegionError: &errorpb.Error{NotLeader: &errorpb.NotLeader{}}}, + }, nil) + case "writeConflict": + failpoint.Return(&tikvrpc.Response{ + Resp: &kvrpcpb.PrewriteResponse{Errors: []*kvrpcpb.KeyError{{Conflict: &kvrpcpb.WriteConflict{}}}}, + }, nil) + } } }) diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index 34275d727397f..4647c48dd023b 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -114,12 +114,13 @@ type twoPhaseCommitter struct { noFallBack bool } - useAsyncCommit uint32 - minCommitTS uint64 - maxCommitTS uint64 - prewriteStarted bool - useOnePC uint32 - onePCCommitTS uint64 + useAsyncCommit uint32 + minCommitTS uint64 + maxCommitTS uint64 + prewriteStarted bool + prewriteCancelled uint32 + useOnePC uint32 + onePCCommitTS uint64 } type memBufferMutations struct { @@ -1614,6 +1615,7 @@ func (batchExe *batchExecutor) process(batches []batchMutations) error { zap.Uint64("conn", batchExe.committer.connID), zap.Stringer("action type", batchExe.action), zap.Uint64("txnStartTS", batchExe.committer.startTS)) + atomic.StoreUint32(&batchExe.committer.prewriteCancelled, 1) cancel() } if err == nil { diff --git a/store/tikv/async_commit_fail_test.go b/store/tikv/async_commit_fail_test.go index 3bc71ea1bbdbb..178bba5369b0b 100644 --- a/store/tikv/async_commit_fail_test.go +++ b/store/tikv/async_commit_fail_test.go @@ -79,6 +79,44 @@ func (s *testAsyncCommitFailSuite) TestFailAsyncCommitPrewriteRpcErrors(c *C) { c.Assert(bytes.Equal(res, []byte("a1")), IsTrue) } +func (s *testAsyncCommitFailSuite) TestAsyncCommitPrewriteCancelled(c *C) { + // This test doesn't support tikv mode because it needs setting failpoint in unistore. + if *WithTiKV { + return + } + + defer config.RestoreFunc()() + config.UpdateGlobal(func(conf *config.Config) { + conf.TiKVClient.AsyncCommit.Enable = true + }) + + // Split into two regions. + splitKey := "s" + bo := NewBackofferWithVars(context.Background(), 5000, nil) + loc, err := s.store.GetRegionCache().LocateKey(bo, []byte(splitKey)) + c.Assert(err, IsNil) + newRegionID := s.cluster.AllocID() + newPeerID := s.cluster.AllocID() + s.cluster.Split(loc.Region.GetID(), newRegionID, []byte(splitKey), []uint64{newPeerID}, newPeerID) + s.store.GetRegionCache().InvalidateCachedRegion(loc.Region) + + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/unistore/rpcPrewriteResult", `1*return("writeConflict")->sleep(50)`), IsNil) + defer func() { + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/mockstore/unistore/rpcPrewriteResult"), IsNil) + }() + + t1, err := s.store.Begin() + c.Assert(err, IsNil) + err = t1.Set([]byte("a"), []byte("a")) + c.Assert(err, IsNil) + err = t1.Set([]byte("z"), []byte("z")) + c.Assert(err, IsNil) + ctx := context.WithValue(context.Background(), sessionctx.ConnID, uint64(1)) + err = t1.Commit(ctx) + c.Assert(err, NotNil) + c.Assert(kv.ErrWriteConflict.Equal(err), IsTrue, Commentf("%s", errors.ErrorStack(err))) +} + func (s *testAsyncCommitFailSuite) TestPointGetWithAsyncCommit(c *C) { defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { diff --git a/store/tikv/prewrite.go b/store/tikv/prewrite.go index 9703a43882f4f..f20413118038e 100644 --- a/store/tikv/prewrite.go +++ b/store/tikv/prewrite.go @@ -119,7 +119,9 @@ func (action actionPrewrite) handleSingleBatch(c *twoPhaseCommitter, bo *Backoff // If we fail to receive response for async commit prewrite, it will be undetermined whether this // transaction has been successfully committed. - if (c.isAsyncCommit() || c.isOnePC()) && sender.rpcError != nil { + // If prewrite has been cancelled, all ongoing prewrite RPCs will become errors, we needn't set undetermined + // errors. + if (c.isAsyncCommit() || c.isOnePC()) && sender.rpcError != nil && atomic.LoadUint32(&c.prewriteCancelled) == 0 { c.setUndeterminedErr(errors.Trace(sender.rpcError)) } From 38bbb0dd21976206229f5cdcfdfed58e67abe71d Mon Sep 17 00:00:00 2001 From: Zhuomin Liu Date: Thu, 19 Nov 2020 17:17:53 +0800 Subject: [PATCH 0253/1021] planner: ban (index) merge join heuristically when convert eq cond to other cond (#21138) --- cmd/explaintest/r/explain_complex.result | 36 +++---- .../r/explain_complex_stats.result | 30 +++--- cmd/explaintest/r/tpch.result | 102 +++++++++--------- executor/testdata/prepare_suite_out.json | 40 ++++--- planner/core/exhaust_physical_plans.go | 64 +++++------ planner/core/explain.go | 18 +++- planner/core/testdata/analyze_suite_out.json | 6 +- .../integration_serial_suite_out.json | 36 +++---- .../core/testdata/integration_suite_out.json | 32 +++--- planner/core/testdata/plan_suite_out.json | 8 +- 10 files changed, 191 insertions(+), 181 deletions(-) diff --git a/cmd/explaintest/r/explain_complex.result b/cmd/explaintest/r/explain_complex.result index 8d66939ba7c01..a24054cbae871 100644 --- a/cmd/explaintest/r/explain_complex.result +++ b/cmd/explaintest/r/explain_complex.result @@ -118,28 +118,28 @@ id estRows task access object operator info Projection_13 1.00 root test.st.id, test.dd.id, test.st.aid, test.st.cm, test.dd.dic, test.dd.ip, test.dd.t, test.st.p1, test.st.p2, test.st.p3, test.st.p4, test.st.p5, test.st.p6_md5, test.st.p7_md5, test.st.ext, test.st.t └─Limit_16 1.00 root offset:0, count:2500 └─HashAgg_19 1.00 root group by:test.dd.dic, test.st.aid, funcs:firstrow(test.st.id)->test.st.id, funcs:firstrow(test.st.aid)->test.st.aid, funcs:firstrow(test.st.cm)->test.st.cm, funcs:firstrow(test.st.p1)->test.st.p1, funcs:firstrow(test.st.p2)->test.st.p2, funcs:firstrow(test.st.p3)->test.st.p3, funcs:firstrow(test.st.p4)->test.st.p4, funcs:firstrow(test.st.p5)->test.st.p5, funcs:firstrow(test.st.p6_md5)->test.st.p6_md5, funcs:firstrow(test.st.p7_md5)->test.st.p7_md5, funcs:firstrow(test.st.ext)->test.st.ext, funcs:firstrow(test.st.t)->test.st.t, funcs:firstrow(test.dd.id)->test.dd.id, funcs:firstrow(test.dd.dic)->test.dd.dic, funcs:firstrow(test.dd.ip)->test.dd.ip, funcs:firstrow(test.dd.t)->test.dd.t - └─HashJoin_34 0.00 root inner join, equal:[eq(test.dd.aid, test.st.aid) eq(test.dd.ip, test.st.ip)], other cond:gt(test.dd.t, test.st.t) - ├─IndexLookUp_52(Build) 0.00 root - │ ├─IndexRangeScan_49(Build) 3333.33 cop[tikv] table:dd, index:t(t) range:(1478143908,+inf], keep order:false, stats:pseudo - │ └─Selection_51(Probe) 0.00 cop[tikv] eq(test.dd.bm, 0), eq(test.dd.pt, "android"), not(isnull(test.dd.ip)) - │ └─TableRowIDScan_50 3333.33 cop[tikv] table:dd keep order:false, stats:pseudo - └─IndexLookUp_41(Probe) 3.33 root - ├─IndexRangeScan_38(Build) 3333.33 cop[tikv] table:gad, index:t(t) range:(1478143908,+inf], keep order:false, stats:pseudo - └─Selection_40(Probe) 3.33 cop[tikv] eq(test.st.pt, "android"), not(isnull(test.st.ip)) - └─TableRowIDScan_39 3333.33 cop[tikv] table:gad keep order:false, stats:pseudo + └─HashJoin_33 0.00 root inner join, equal:[eq(test.dd.aid, test.st.aid) eq(test.dd.ip, test.st.ip)], other cond:gt(test.dd.t, test.st.t) + ├─IndexLookUp_51(Build) 0.00 root + │ ├─IndexRangeScan_48(Build) 3333.33 cop[tikv] table:dd, index:t(t) range:(1478143908,+inf], keep order:false, stats:pseudo + │ └─Selection_50(Probe) 0.00 cop[tikv] eq(test.dd.bm, 0), eq(test.dd.pt, "android"), not(isnull(test.dd.ip)) + │ └─TableRowIDScan_49 3333.33 cop[tikv] table:dd keep order:false, stats:pseudo + └─IndexLookUp_40(Probe) 3.33 root + ├─IndexRangeScan_37(Build) 3333.33 cop[tikv] table:gad, index:t(t) range:(1478143908,+inf], keep order:false, stats:pseudo + └─Selection_39(Probe) 3.33 cop[tikv] eq(test.st.pt, "android"), not(isnull(test.st.ip)) + └─TableRowIDScan_38 3333.33 cop[tikv] table:gad keep order:false, stats:pseudo explain select gad.id as gid,sdk.id as sid,gad.aid as aid,gad.cm as cm,sdk.dic as dic,sdk.ip as ip, sdk.t as t, gad.p1 as p1, gad.p2 as p2, gad.p3 as p3, gad.p4 as p4, gad.p5 as p5, gad.p6_md5 as p6, gad.p7_md5 as p7, gad.ext as ext from st gad join dd sdk on gad.aid = sdk.aid and gad.dic = sdk.mac and gad.t < sdk.t where gad.t > 1477971479 and gad.bm = 0 and gad.pt = 'ios' and gad.dit = 'mac' and sdk.t > 1477971479 and sdk.bm = 0 and sdk.pt = 'ios' limit 3000; id estRows task access object operator info Projection_10 0.00 root test.st.id, test.dd.id, test.st.aid, test.st.cm, test.dd.dic, test.dd.ip, test.dd.t, test.st.p1, test.st.p2, test.st.p3, test.st.p4, test.st.p5, test.st.p6_md5, test.st.p7_md5, test.st.ext └─Limit_13 0.00 root offset:0, count:3000 - └─IndexMergeJoin_26 0.00 root inner join, inner:IndexLookUp_24, outer key:test.st.aid, inner key:test.dd.aid, other cond:eq(test.st.dic, test.dd.mac), lt(test.st.t, test.dd.t) - ├─IndexLookUp_35(Build) 0.00 root - │ ├─IndexRangeScan_32(Build) 3333.33 cop[tikv] table:gad, index:t(t) range:(1477971479,+inf], keep order:false, stats:pseudo - │ └─Selection_34(Probe) 0.00 cop[tikv] eq(test.st.bm, 0), eq(test.st.dit, "mac"), eq(test.st.pt, "ios"), not(isnull(test.st.dic)) - │ └─TableRowIDScan_33 3333.33 cop[tikv] table:gad keep order:false, stats:pseudo - └─IndexLookUp_24(Probe) 0.00 root - ├─IndexRangeScan_21(Build) 10000.00 cop[tikv] table:sdk, index:aid(aid, dic) range: decided by [eq(test.dd.aid, test.st.aid)], keep order:true, stats:pseudo - └─Selection_23(Probe) 0.00 cop[tikv] eq(test.dd.bm, 0), eq(test.dd.pt, "ios"), gt(test.dd.t, 1477971479), not(isnull(test.dd.mac)), not(isnull(test.dd.t)) - └─TableRowIDScan_22 10000.00 cop[tikv] table:sdk keep order:false, stats:pseudo + └─IndexJoin_18 0.00 root inner join, inner:IndexLookUp_17, outer key:test.st.aid, inner key:test.dd.aid, equal cond:eq(test.st.aid, test.dd.aid), eq(test.st.dic, test.dd.mac), other cond:lt(test.st.t, test.dd.t) + ├─IndexLookUp_34(Build) 0.00 root + │ ├─IndexRangeScan_31(Build) 3333.33 cop[tikv] table:gad, index:t(t) range:(1477971479,+inf], keep order:false, stats:pseudo + │ └─Selection_33(Probe) 0.00 cop[tikv] eq(test.st.bm, 0), eq(test.st.dit, "mac"), eq(test.st.pt, "ios"), not(isnull(test.st.dic)) + │ └─TableRowIDScan_32 3333.33 cop[tikv] table:gad keep order:false, stats:pseudo + └─IndexLookUp_17(Probe) 0.00 root + ├─IndexRangeScan_14(Build) 10000.00 cop[tikv] table:sdk, index:aid(aid, dic) range: decided by [eq(test.dd.aid, test.st.aid)], keep order:false, stats:pseudo + └─Selection_16(Probe) 0.00 cop[tikv] eq(test.dd.bm, 0), eq(test.dd.pt, "ios"), gt(test.dd.t, 1477971479), not(isnull(test.dd.mac)), not(isnull(test.dd.t)) + └─TableRowIDScan_15 10000.00 cop[tikv] table:sdk keep order:false, stats:pseudo explain SELECT cm, p1, p2, p3, p4, p5, p6_md5, p7_md5, count(1) as click_pv, count(DISTINCT ip) as click_ip FROM st WHERE (t between 1478188800 and 1478275200) and aid='cn.sbkcq' and pt='android' GROUP BY cm, p1, p2, p3, p4, p5, p6_md5, p7_md5; id estRows task access object operator info Projection_5 1.00 root test.st.cm, test.st.p1, test.st.p2, test.st.p3, test.st.p4, test.st.p5, test.st.p6_md5, test.st.p7_md5, Column#20, Column#21 diff --git a/cmd/explaintest/r/explain_complex_stats.result b/cmd/explaintest/r/explain_complex_stats.result index ed307ab8dcb1b..7d015e0b5170a 100644 --- a/cmd/explaintest/r/explain_complex_stats.result +++ b/cmd/explaintest/r/explain_complex_stats.result @@ -128,25 +128,25 @@ id estRows task access object operator info Projection_13 424.00 root test.st.id, test.dd.id, test.st.aid, test.st.cm, test.dd.dic, test.dd.ip, test.dd.t, test.st.p1, test.st.p2, test.st.p3, test.st.p4, test.st.p5, test.st.p6_md5, test.st.p7_md5, test.st.ext, test.st.t └─Limit_16 424.00 root offset:0, count:2500 └─HashAgg_19 424.00 root group by:test.dd.dic, test.st.aid, funcs:firstrow(test.st.id)->test.st.id, funcs:firstrow(test.st.aid)->test.st.aid, funcs:firstrow(test.st.cm)->test.st.cm, funcs:firstrow(test.st.p1)->test.st.p1, funcs:firstrow(test.st.p2)->test.st.p2, funcs:firstrow(test.st.p3)->test.st.p3, funcs:firstrow(test.st.p4)->test.st.p4, funcs:firstrow(test.st.p5)->test.st.p5, funcs:firstrow(test.st.p6_md5)->test.st.p6_md5, funcs:firstrow(test.st.p7_md5)->test.st.p7_md5, funcs:firstrow(test.st.ext)->test.st.ext, funcs:firstrow(test.st.t)->test.st.t, funcs:firstrow(test.dd.id)->test.dd.id, funcs:firstrow(test.dd.dic)->test.dd.dic, funcs:firstrow(test.dd.ip)->test.dd.ip, funcs:firstrow(test.dd.t)->test.dd.t - └─HashJoin_34 424.00 root inner join, equal:[eq(test.st.aid, test.dd.aid) eq(test.st.ip, test.dd.ip)], other cond:gt(test.dd.t, test.st.t) - ├─TableReader_37(Build) 424.00 root data:Selection_36 - │ └─Selection_36 424.00 cop[tikv] eq(test.st.bm, 0), eq(test.st.pt, "android"), gt(test.st.t, 1478143908), not(isnull(test.st.ip)) - │ └─TableRangeScan_35 1999.00 cop[tikv] table:gad range:[0,+inf], keep order:false - └─TableReader_44(Probe) 455.80 root data:Selection_43 - └─Selection_43 455.80 cop[tikv] eq(test.dd.bm, 0), eq(test.dd.pt, "android"), gt(test.dd.t, 1478143908), not(isnull(test.dd.ip)), not(isnull(test.dd.t)) - └─TableRangeScan_42 2000.00 cop[tikv] table:dd range:[0,+inf], keep order:false + └─HashJoin_33 424.00 root inner join, equal:[eq(test.st.aid, test.dd.aid) eq(test.st.ip, test.dd.ip)], other cond:gt(test.dd.t, test.st.t) + ├─TableReader_36(Build) 424.00 root data:Selection_35 + │ └─Selection_35 424.00 cop[tikv] eq(test.st.bm, 0), eq(test.st.pt, "android"), gt(test.st.t, 1478143908), not(isnull(test.st.ip)) + │ └─TableRangeScan_34 1999.00 cop[tikv] table:gad range:[0,+inf], keep order:false + └─TableReader_43(Probe) 455.80 root data:Selection_42 + └─Selection_42 455.80 cop[tikv] eq(test.dd.bm, 0), eq(test.dd.pt, "android"), gt(test.dd.t, 1478143908), not(isnull(test.dd.ip)), not(isnull(test.dd.t)) + └─TableRangeScan_41 2000.00 cop[tikv] table:dd range:[0,+inf], keep order:false explain select gad.id as gid,sdk.id as sid,gad.aid as aid,gad.cm as cm,sdk.dic as dic,sdk.ip as ip, sdk.t as t, gad.p1 as p1, gad.p2 as p2, gad.p3 as p3, gad.p4 as p4, gad.p5 as p5, gad.p6_md5 as p6, gad.p7_md5 as p7, gad.ext as ext from st gad join dd sdk on gad.aid = sdk.aid and gad.dic = sdk.mac and gad.t < sdk.t where gad.t > 1477971479 and gad.bm = 0 and gad.pt = 'ios' and gad.dit = 'mac' and sdk.t > 1477971479 and sdk.bm = 0 and sdk.pt = 'ios' limit 3000; id estRows task access object operator info Projection_10 170.34 root test.st.id, test.dd.id, test.st.aid, test.st.cm, test.dd.dic, test.dd.ip, test.dd.t, test.st.p1, test.st.p2, test.st.p3, test.st.p4, test.st.p5, test.st.p6_md5, test.st.p7_md5, test.st.ext └─Limit_13 170.34 root offset:0, count:3000 - └─IndexMergeJoin_26 170.34 root inner join, inner:IndexLookUp_24, outer key:test.st.aid, inner key:test.dd.aid, other cond:eq(test.st.dic, test.dd.mac), lt(test.st.t, test.dd.t) - ├─TableReader_31(Build) 170.34 root data:Selection_30 - │ └─Selection_30 170.34 cop[tikv] eq(test.st.bm, 0), eq(test.st.dit, "mac"), eq(test.st.pt, "ios"), gt(test.st.t, 1477971479), not(isnull(test.st.dic)) - │ └─TableRangeScan_29 1999.00 cop[tikv] table:gad range:[0,+inf], keep order:false - └─IndexLookUp_24(Probe) 1.00 root - ├─IndexRangeScan_21(Build) 3.93 cop[tikv] table:sdk, index:aid(aid, dic) range: decided by [eq(test.dd.aid, test.st.aid)], keep order:true - └─Selection_23(Probe) 1.00 cop[tikv] eq(test.dd.bm, 0), eq(test.dd.pt, "ios"), gt(test.dd.t, 1477971479), not(isnull(test.dd.mac)), not(isnull(test.dd.t)) - └─TableRowIDScan_22 3.93 cop[tikv] table:sdk keep order:false + └─IndexJoin_18 170.34 root inner join, inner:IndexLookUp_17, outer key:test.st.aid, inner key:test.dd.aid, equal cond:eq(test.st.aid, test.dd.aid), eq(test.st.dic, test.dd.mac), other cond:lt(test.st.t, test.dd.t) + ├─TableReader_30(Build) 170.34 root data:Selection_29 + │ └─Selection_29 170.34 cop[tikv] eq(test.st.bm, 0), eq(test.st.dit, "mac"), eq(test.st.pt, "ios"), gt(test.st.t, 1477971479), not(isnull(test.st.dic)) + │ └─TableRangeScan_28 1999.00 cop[tikv] table:gad range:[0,+inf], keep order:false + └─IndexLookUp_17(Probe) 1.00 root + ├─IndexRangeScan_14(Build) 3.93 cop[tikv] table:sdk, index:aid(aid, dic) range: decided by [eq(test.dd.aid, test.st.aid)], keep order:false + └─Selection_16(Probe) 1.00 cop[tikv] eq(test.dd.bm, 0), eq(test.dd.pt, "ios"), gt(test.dd.t, 1477971479), not(isnull(test.dd.mac)), not(isnull(test.dd.t)) + └─TableRowIDScan_15 3.93 cop[tikv] table:sdk keep order:false explain SELECT cm, p1, p2, p3, p4, p5, p6_md5, p7_md5, count(1) as click_pv, count(DISTINCT ip) as click_ip FROM st WHERE (t between 1478188800 and 1478275200) and aid='cn.sbkcq' and pt='android' GROUP BY cm, p1, p2, p3, p4, p5, p6_md5, p7_md5; id estRows task access object operator info Projection_5 39.28 root test.st.cm, test.st.p1, test.st.p2, test.st.p3, test.st.p4, test.st.p5, test.st.p6_md5, test.st.p7_md5, Column#20, Column#21 diff --git a/cmd/explaintest/r/tpch.result b/cmd/explaintest/r/tpch.result index 0282fc5e9be67..4b8a8a827c95e 100644 --- a/cmd/explaintest/r/tpch.result +++ b/cmd/explaintest/r/tpch.result @@ -184,37 +184,37 @@ limit 100; id estRows task access object operator info Projection_37 100.00 root tpch.supplier.s_acctbal, tpch.supplier.s_name, tpch.nation.n_name, tpch.part.p_partkey, tpch.part.p_mfgr, tpch.supplier.s_address, tpch.supplier.s_phone, tpch.supplier.s_comment └─TopN_40 100.00 root tpch.supplier.s_acctbal:desc, tpch.nation.n_name, tpch.supplier.s_name, tpch.part.p_partkey, offset:0, count:100 - └─HashJoin_46 155496.00 root inner join, equal:[eq(tpch.part.p_partkey, tpch.partsupp.ps_partkey) eq(tpch.partsupp.ps_supplycost, Column#50)] - ├─HashJoin_60(Build) 155496.00 root inner join, equal:[eq(tpch.partsupp.ps_partkey, tpch.part.p_partkey)] - │ ├─TableReader_90(Build) 155496.00 root data:Selection_89 - │ │ └─Selection_89 155496.00 cop[tikv] eq(tpch.part.p_size, 30), like(tpch.part.p_type, "%STEEL", 92) - │ │ └─TableFullScan_88 10000000.00 cop[tikv] table:part keep order:false - │ └─HashJoin_63(Probe) 8155010.44 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.partsupp.ps_suppkey)] - │ ├─HashJoin_65(Build) 100000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ │ ├─HashJoin_78(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] - │ │ │ ├─TableReader_83(Build) 1.00 root data:Selection_82 - │ │ │ │ └─Selection_82 1.00 cop[tikv] eq(tpch.region.r_name, "ASIA") - │ │ │ │ └─TableFullScan_81 5.00 cop[tikv] table:region keep order:false - │ │ │ └─TableReader_80(Probe) 25.00 root data:TableFullScan_79 - │ │ │ └─TableFullScan_79 25.00 cop[tikv] table:nation keep order:false - │ │ └─TableReader_85(Probe) 500000.00 root data:TableFullScan_84 - │ │ └─TableFullScan_84 500000.00 cop[tikv] table:supplier keep order:false - │ └─TableReader_87(Probe) 40000000.00 root data:TableFullScan_86 - │ └─TableFullScan_86 40000000.00 cop[tikv] table:partsupp keep order:false - └─Selection_91(Probe) 6524008.35 root not(isnull(Column#50)) - └─HashAgg_94 8155010.44 root group by:tpch.partsupp.ps_partkey, funcs:min(tpch.partsupp.ps_supplycost)->Column#50, funcs:firstrow(tpch.partsupp.ps_partkey)->tpch.partsupp.ps_partkey - └─HashJoin_98 8155010.44 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.partsupp.ps_suppkey)] - ├─HashJoin_100(Build) 100000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ ├─HashJoin_113(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] - │ │ ├─TableReader_118(Build) 1.00 root data:Selection_117 - │ │ │ └─Selection_117 1.00 cop[tikv] eq(tpch.region.r_name, "ASIA") - │ │ │ └─TableFullScan_116 5.00 cop[tikv] table:region keep order:false - │ │ └─TableReader_115(Probe) 25.00 root data:TableFullScan_114 - │ │ └─TableFullScan_114 25.00 cop[tikv] table:nation keep order:false - │ └─TableReader_120(Probe) 500000.00 root data:TableFullScan_119 - │ └─TableFullScan_119 500000.00 cop[tikv] table:supplier keep order:false - └─TableReader_122(Probe) 40000000.00 root data:TableFullScan_121 - └─TableFullScan_121 40000000.00 cop[tikv] table:partsupp keep order:false + └─HashJoin_45 155496.00 root inner join, equal:[eq(tpch.part.p_partkey, tpch.partsupp.ps_partkey) eq(tpch.partsupp.ps_supplycost, Column#50)] + ├─HashJoin_58(Build) 155496.00 root inner join, equal:[eq(tpch.partsupp.ps_partkey, tpch.part.p_partkey)] + │ ├─TableReader_88(Build) 155496.00 root data:Selection_87 + │ │ └─Selection_87 155496.00 cop[tikv] eq(tpch.part.p_size, 30), like(tpch.part.p_type, "%STEEL", 92) + │ │ └─TableFullScan_86 10000000.00 cop[tikv] table:part keep order:false + │ └─HashJoin_61(Probe) 8155010.44 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.partsupp.ps_suppkey)] + │ ├─HashJoin_63(Build) 100000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ │ ├─HashJoin_76(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] + │ │ │ ├─TableReader_81(Build) 1.00 root data:Selection_80 + │ │ │ │ └─Selection_80 1.00 cop[tikv] eq(tpch.region.r_name, "ASIA") + │ │ │ │ └─TableFullScan_79 5.00 cop[tikv] table:region keep order:false + │ │ │ └─TableReader_78(Probe) 25.00 root data:TableFullScan_77 + │ │ │ └─TableFullScan_77 25.00 cop[tikv] table:nation keep order:false + │ │ └─TableReader_83(Probe) 500000.00 root data:TableFullScan_82 + │ │ └─TableFullScan_82 500000.00 cop[tikv] table:supplier keep order:false + │ └─TableReader_85(Probe) 40000000.00 root data:TableFullScan_84 + │ └─TableFullScan_84 40000000.00 cop[tikv] table:partsupp keep order:false + └─Selection_89(Probe) 6524008.35 root not(isnull(Column#50)) + └─HashAgg_92 8155010.44 root group by:tpch.partsupp.ps_partkey, funcs:min(tpch.partsupp.ps_supplycost)->Column#50, funcs:firstrow(tpch.partsupp.ps_partkey)->tpch.partsupp.ps_partkey + └─HashJoin_96 8155010.44 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.partsupp.ps_suppkey)] + ├─HashJoin_98(Build) 100000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ ├─HashJoin_111(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] + │ │ ├─TableReader_116(Build) 1.00 root data:Selection_115 + │ │ │ └─Selection_115 1.00 cop[tikv] eq(tpch.region.r_name, "ASIA") + │ │ │ └─TableFullScan_114 5.00 cop[tikv] table:region keep order:false + │ │ └─TableReader_113(Probe) 25.00 root data:TableFullScan_112 + │ │ └─TableFullScan_112 25.00 cop[tikv] table:nation keep order:false + │ └─TableReader_118(Probe) 500000.00 root data:TableFullScan_117 + │ └─TableFullScan_117 500000.00 cop[tikv] table:supplier keep order:false + └─TableReader_120(Probe) 40000000.00 root data:TableFullScan_119 + └─TableFullScan_119 40000000.00 cop[tikv] table:partsupp keep order:false /* Q3 Shipping Priority Query This query retrieves the 10 unshipped orders with the highest value. @@ -345,26 +345,26 @@ id estRows task access object operator info Sort_23 5.00 root Column#49:desc └─Projection_25 5.00 root tpch.nation.n_name, Column#49 └─HashAgg_28 5.00 root group by:Column#52, funcs:sum(Column#50)->Column#49, funcs:firstrow(Column#51)->tpch.nation.n_name - └─Projection_86 11822812.50 root mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#50, tpch.nation.n_name, tpch.nation.n_name - └─HashJoin_38 11822812.50 root inner join, equal:[eq(tpch.supplier.s_nationkey, tpch.customer.c_nationkey) eq(tpch.orders.o_custkey, tpch.customer.c_custkey)] - ├─TableReader_84(Build) 7500000.00 root data:TableFullScan_83 - │ └─TableFullScan_83 7500000.00 cop[tikv] table:customer keep order:false - └─HashJoin_52(Probe) 11822812.50 root inner join, equal:[eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)] - ├─TableReader_82(Build) 11822812.50 root data:Selection_81 - │ └─Selection_81 11822812.50 cop[tikv] ge(tpch.orders.o_orderdate, 1994-01-01 00:00:00.000000), lt(tpch.orders.o_orderdate, 1995-01-01) - │ └─TableFullScan_80 75000000.00 cop[tikv] table:orders keep order:false - └─HashJoin_55(Probe) 61163763.01 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] - ├─HashJoin_57(Build) 100000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ ├─HashJoin_70(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] - │ │ ├─TableReader_75(Build) 1.00 root data:Selection_74 - │ │ │ └─Selection_74 1.00 cop[tikv] eq(tpch.region.r_name, "MIDDLE EAST") - │ │ │ └─TableFullScan_73 5.00 cop[tikv] table:region keep order:false - │ │ └─TableReader_72(Probe) 25.00 root data:TableFullScan_71 - │ │ └─TableFullScan_71 25.00 cop[tikv] table:nation keep order:false - │ └─TableReader_77(Probe) 500000.00 root data:TableFullScan_76 - │ └─TableFullScan_76 500000.00 cop[tikv] table:supplier keep order:false - └─TableReader_79(Probe) 300005811.00 root data:TableFullScan_78 - └─TableFullScan_78 300005811.00 cop[tikv] table:lineitem keep order:false + └─Projection_85 11822812.50 root mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#50, tpch.nation.n_name, tpch.nation.n_name + └─HashJoin_37 11822812.50 root inner join, equal:[eq(tpch.supplier.s_nationkey, tpch.customer.c_nationkey) eq(tpch.orders.o_custkey, tpch.customer.c_custkey)] + ├─TableReader_83(Build) 7500000.00 root data:TableFullScan_82 + │ └─TableFullScan_82 7500000.00 cop[tikv] table:customer keep order:false + └─HashJoin_51(Probe) 11822812.50 root inner join, equal:[eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)] + ├─TableReader_81(Build) 11822812.50 root data:Selection_80 + │ └─Selection_80 11822812.50 cop[tikv] ge(tpch.orders.o_orderdate, 1994-01-01 00:00:00.000000), lt(tpch.orders.o_orderdate, 1995-01-01) + │ └─TableFullScan_79 75000000.00 cop[tikv] table:orders keep order:false + └─HashJoin_54(Probe) 61163763.01 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] + ├─HashJoin_56(Build) 100000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ ├─HashJoin_69(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] + │ │ ├─TableReader_74(Build) 1.00 root data:Selection_73 + │ │ │ └─Selection_73 1.00 cop[tikv] eq(tpch.region.r_name, "MIDDLE EAST") + │ │ │ └─TableFullScan_72 5.00 cop[tikv] table:region keep order:false + │ │ └─TableReader_71(Probe) 25.00 root data:TableFullScan_70 + │ │ └─TableFullScan_70 25.00 cop[tikv] table:nation keep order:false + │ └─TableReader_76(Probe) 500000.00 root data:TableFullScan_75 + │ └─TableFullScan_75 500000.00 cop[tikv] table:supplier keep order:false + └─TableReader_78(Probe) 300005811.00 root data:TableFullScan_77 + └─TableFullScan_77 300005811.00 cop[tikv] table:lineitem keep order:false /* Q6 Forecasting Revenue Change Query This query quantifies the amount of revenue increase that would have resulted from eliminating certain companywide diff --git a/executor/testdata/prepare_suite_out.json b/executor/testdata/prepare_suite_out.json index 5caa86bded46b..8e289819f6fe7 100644 --- a/executor/testdata/prepare_suite_out.json +++ b/executor/testdata/prepare_suite_out.json @@ -140,17 +140,15 @@ } ], "Plan": [ - "MergeJoin_9 6387.21 root inner join, left key:test.t1.a, right key:test.t2.a, other cond:eq(test.t1.b, test.t2.b)", - "├─Projection_59(Build) 99.80 root test.t2.a, test.t2.b, test.t2.c", - "│ └─IndexLookUp_58 99.80 root ", - "│ ├─Selection_57(Build) 99.80 cop[tikv] not(isnull(test.t2.b))", - "│ │ └─IndexRangeScan_55 99.90 cop[tikv] table:t2, index:b(b, a) range:[1 -inf,1 +inf], keep order:true, stats:pseudo", - "│ └─TableRowIDScan_56(Probe) 99.80 cop[tikv] table:t2 keep order:false, stats:pseudo", - "└─Projection_54(Probe) 99.80 root test.t1.a, test.t1.b, test.t1.c", - " └─IndexLookUp_53 99.80 root ", - " ├─Selection_52(Build) 99.80 cop[tikv] not(isnull(test.t1.b))", - " │ └─IndexRangeScan_50 99.90 cop[tikv] table:t1, index:b(b, a) range:[1 -inf,1 +inf], keep order:true, stats:pseudo", - " └─TableRowIDScan_51(Probe) 99.80 cop[tikv] table:t1 keep order:false, stats:pseudo" + "HashJoin_37 6387.21 root inner join, equal:[eq(test.t1.b, test.t2.b) eq(test.t1.a, test.t2.a)]", + "├─IndexLookUp_62(Build) 99.80 root ", + "│ ├─Selection_61(Build) 99.80 cop[tikv] not(isnull(test.t2.b))", + "│ │ └─IndexRangeScan_59 99.90 cop[tikv] table:t2, index:b(b, a) range:[1 -inf,1 +inf], keep order:false, stats:pseudo", + "│ └─TableRowIDScan_60(Probe) 99.80 cop[tikv] table:t2 keep order:false, stats:pseudo", + "└─IndexLookUp_55(Probe) 99.80 root ", + " ├─Selection_54(Build) 99.80 cop[tikv] not(isnull(test.t1.b))", + " │ └─IndexRangeScan_52 99.90 cop[tikv] table:t1, index:b(b, a) range:[1 -inf,1 +inf], keep order:false, stats:pseudo", + " └─TableRowIDScan_53(Probe) 99.80 cop[tikv] table:t1 keep order:false, stats:pseudo" ], "LastPlanUseCache": "0", "Result": null @@ -164,17 +162,15 @@ } ], "Plan": [ - "MergeJoin_9 6387.21 root inner join, left key:test.t1.a, right key:test.t2.a, other cond:eq(test.t1.b, test.t2.b)", - "├─Projection_59(Build) 99.80 root test.t2.a, test.t2.b, test.t2.c", - "│ └─IndexLookUp_58 99.80 root ", - "│ ├─Selection_57(Build) 99.80 cop[tikv] not(isnull(test.t2.b))", - "│ │ └─IndexRangeScan_55 99.90 cop[tikv] table:t2, index:b(b, a) range:[2 -inf,2 +inf], keep order:true, stats:pseudo", - "│ └─TableRowIDScan_56(Probe) 99.80 cop[tikv] table:t2 keep order:false, stats:pseudo", - "└─Projection_54(Probe) 99.80 root test.t1.a, test.t1.b, test.t1.c", - " └─IndexLookUp_53 99.80 root ", - " ├─Selection_52(Build) 99.80 cop[tikv] not(isnull(test.t1.b))", - " │ └─IndexRangeScan_50 99.90 cop[tikv] table:t1, index:b(b, a) range:[2 -inf,2 +inf], keep order:true, stats:pseudo", - " └─TableRowIDScan_51(Probe) 99.80 cop[tikv] table:t1 keep order:false, stats:pseudo" + "HashJoin_37 6387.21 root inner join, equal:[eq(test.t1.b, test.t2.b) eq(test.t1.a, test.t2.a)]", + "├─IndexLookUp_62(Build) 99.80 root ", + "│ ├─Selection_61(Build) 99.80 cop[tikv] not(isnull(test.t2.b))", + "│ │ └─IndexRangeScan_59 99.90 cop[tikv] table:t2, index:b(b, a) range:[2 -inf,2 +inf], keep order:false, stats:pseudo", + "│ └─TableRowIDScan_60(Probe) 99.80 cop[tikv] table:t2 keep order:false, stats:pseudo", + "└─IndexLookUp_55(Probe) 99.80 root ", + " ├─Selection_54(Build) 99.80 cop[tikv] not(isnull(test.t1.b))", + " │ └─IndexRangeScan_52 99.90 cop[tikv] table:t1, index:b(b, a) range:[2 -inf,2 +inf], keep order:false, stats:pseudo", + " └─TableRowIDScan_53(Probe) 99.80 cop[tikv] table:t1 keep order:false, stats:pseudo" ], "LastPlanUseCache": "1", "Result": [ diff --git a/planner/core/exhaust_physical_plans.go b/planner/core/exhaust_physical_plans.go index b3ca49f4b0820..5af99616a8aec 100644 --- a/planner/core/exhaust_physical_plans.go +++ b/planner/core/exhaust_physical_plans.go @@ -153,7 +153,9 @@ func (p *LogicalJoin) GetMergeJoin(prop *property.PhysicalProperty, schema *expr } for _, lhsChildProperty := range p.leftProperties { offsets := getMaxSortPrefix(lhsChildProperty, leftJoinKeys) - if len(offsets) == 0 { + // If not all equal conditions hit properties. We ban merge join heuristically. Because in this case, merge join + // may get a very low performance. In executor, executes join results before other conditions filter it. + if len(offsets) < len(leftJoinKeys) { continue } @@ -391,7 +393,6 @@ func (p *LogicalJoin) getHashJoin(prop *property.PhysicalProperty, innerIdx int, // When inner plan is TableReader, the parameter `ranges` will be nil. Because pk only have one column. So all of its range // is generated during execution time. func (p *LogicalJoin) constructIndexJoin( - joinTP string, prop *property.PhysicalProperty, outerIdx int, innerTask task, @@ -440,36 +441,33 @@ func (p *LogicalJoin) constructIndexJoin( } var outerHashKeys, innerHashKeys []*expression.Column - // HashKey is only used for IndexJoin and IndexHashJoin since they need to - // build hash tables. - if joinTP != plancodec.TypeIndexMergeJoin { - outerHashKeys, innerHashKeys = make([]*expression.Column, len(newOuterKeys)), make([]*expression.Column, len(newInnerKeys)) - copy(outerHashKeys, newOuterKeys) - copy(innerHashKeys, newInnerKeys) - // we can use the `col col` in `OtherCondition` to build the hashtable to avoid the unnecessary calculating. - for i := len(newOtherConds) - 1; i >= 0; i = i - 1 { - switch c := newOtherConds[i].(type) { - case *expression.ScalarFunction: - if c.FuncName.L == ast.EQ { - lhs, ok1 := c.GetArgs()[0].(*expression.Column) - rhs, ok2 := c.GetArgs()[1].(*expression.Column) - if ok1 && ok2 { - outerSchema, innerSchema := p.Children()[outerIdx].Schema(), p.Children()[1-outerIdx].Schema() - if outerSchema.Contains(lhs) && innerSchema.Contains(rhs) { - outerHashKeys = append(outerHashKeys, lhs) - innerHashKeys = append(innerHashKeys, rhs) - } else if innerSchema.Contains(lhs) && outerSchema.Contains(rhs) { - outerHashKeys = append(outerHashKeys, rhs) - innerHashKeys = append(innerHashKeys, lhs) - } - newOtherConds = append(newOtherConds[:i], newOtherConds[i+1:]...) + outerHashKeys, innerHashKeys = make([]*expression.Column, len(newOuterKeys)), make([]*expression.Column, len(newInnerKeys)) + copy(outerHashKeys, newOuterKeys) + copy(innerHashKeys, newInnerKeys) + // we can use the `col col` in `OtherCondition` to build the hashtable to avoid the unnecessary calculating. + for i := len(newOtherConds) - 1; i >= 0; i = i - 1 { + switch c := newOtherConds[i].(type) { + case *expression.ScalarFunction: + if c.FuncName.L == ast.EQ { + lhs, ok1 := c.GetArgs()[0].(*expression.Column) + rhs, ok2 := c.GetArgs()[1].(*expression.Column) + if ok1 && ok2 { + outerSchema, innerSchema := p.Children()[outerIdx].Schema(), p.Children()[1-outerIdx].Schema() + if outerSchema.Contains(lhs) && innerSchema.Contains(rhs) { + outerHashKeys = append(outerHashKeys, lhs) + innerHashKeys = append(innerHashKeys, rhs) + } else if innerSchema.Contains(lhs) && outerSchema.Contains(rhs) { + outerHashKeys = append(outerHashKeys, rhs) + innerHashKeys = append(innerHashKeys, lhs) } + newOtherConds = append(newOtherConds[:i], newOtherConds[i+1:]...) } - default: - continue } + default: + continue } } + baseJoin := basePhysicalJoin{ InnerChildIdx: 1 - outerIdx, LeftConditions: p.LeftConditions, @@ -506,10 +504,14 @@ func (p *LogicalJoin) constructIndexMergeJoin( path *util.AccessPath, compareFilters *ColWithCmpFuncManager, ) []PhysicalPlan { - indexJoins := p.constructIndexJoin(plancodec.TypeIndexMergeJoin, prop, outerIdx, innerTask, ranges, keyOff2IdxOff, path, compareFilters) + indexJoins := p.constructIndexJoin(prop, outerIdx, innerTask, ranges, keyOff2IdxOff, path, compareFilters) indexMergeJoins := make([]PhysicalPlan, 0, len(indexJoins)) for _, plan := range indexJoins { join := plan.(*PhysicalIndexJoin) + // Index merge join can't handle hash keys. So we ban it heuristically. + if len(join.InnerHashKeys) > len(join.InnerJoinKeys) { + return nil + } hasPrefixCol := false for _, l := range join.IdxColLens { if l != types.UnspecifiedLength { @@ -591,7 +593,7 @@ func (p *LogicalJoin) constructIndexHashJoin( path *util.AccessPath, compareFilters *ColWithCmpFuncManager, ) []PhysicalPlan { - indexJoins := p.constructIndexJoin(plancodec.TypeIndexHashJoin, prop, outerIdx, innerTask, ranges, keyOff2IdxOff, path, compareFilters) + indexJoins := p.constructIndexJoin(prop, outerIdx, innerTask, ranges, keyOff2IdxOff, path, compareFilters) indexHashJoins := make([]PhysicalPlan, 0, len(indexJoins)) for _, plan := range indexJoins { join := plan.(*PhysicalIndexJoin) @@ -759,7 +761,7 @@ func (p *LogicalJoin) buildIndexJoinInner2TableScan( failpoint.Return(p.constructIndexHashJoin(prop, outerIdx, innerTask, nil, keyOff2IdxOff, nil, nil)) } }) - joins = append(joins, p.constructIndexJoin(plancodec.TypeIndexJoin, prop, outerIdx, innerTask, ranges, keyOff2IdxOff, nil, nil)...) + joins = append(joins, p.constructIndexJoin(prop, outerIdx, innerTask, ranges, keyOff2IdxOff, nil, nil)...) // We can reuse the `innerTask` here since index nested loop hash join // do not need the inner child to promise the order. joins = append(joins, p.constructIndexHashJoin(prop, outerIdx, innerTask, ranges, keyOff2IdxOff, nil, nil)...) @@ -794,7 +796,7 @@ func (p *LogicalJoin) buildIndexJoinInner2IndexScan( failpoint.Return(p.constructIndexHashJoin(prop, outerIdx, innerTask, helper.chosenRanges, keyOff2IdxOff, helper.chosenPath, helper.lastColManager)) } }) - joins = append(joins, p.constructIndexJoin(plancodec.TypeIndexJoin, prop, outerIdx, innerTask, helper.chosenRanges, keyOff2IdxOff, helper.chosenPath, helper.lastColManager)...) + joins = append(joins, p.constructIndexJoin(prop, outerIdx, innerTask, helper.chosenRanges, keyOff2IdxOff, helper.chosenPath, helper.lastColManager)...) // We can reuse the `innerTask` here since index nested loop hash join // do not need the inner child to promise the order. joins = append(joins, p.constructIndexHashJoin(prop, outerIdx, innerTask, helper.chosenRanges, keyOff2IdxOff, helper.chosenPath, helper.lastColManager)...) diff --git a/planner/core/explain.go b/planner/core/explain.go index 79a5569b4f6b1..0df1abd644452 100644 --- a/planner/core/explain.go +++ b/planner/core/explain.go @@ -489,10 +489,15 @@ func (p *basePhysicalAgg) ExplainNormalizedInfo() string { // ExplainInfo implements Plan interface. func (p *PhysicalIndexJoin) ExplainInfo() string { - return p.explainInfo(false) + return p.explainInfo(false, false) +} + +// ExplainInfo implements Plan interface. +func (p *PhysicalIndexMergeJoin) ExplainInfo() string { + return p.explainInfo(false, true) } -func (p *PhysicalIndexJoin) explainInfo(normalized bool) string { +func (p *PhysicalIndexJoin) explainInfo(normalized bool, isIndexMergeJoin bool) string { sortedExplainExpressionList := expression.SortedExplainExpressionList if normalized { sortedExplainExpressionList = expression.SortedExplainNormalizedExpressionList @@ -513,7 +518,7 @@ func (p *PhysicalIndexJoin) explainInfo(normalized bool) string { expression.ExplainColumnList(p.InnerJoinKeys)) } - if len(p.OuterHashKeys) > 0 { + if len(p.OuterHashKeys) > 0 && !isIndexMergeJoin { exprs := make([]expression.Expression, 0, len(p.OuterHashKeys)) for i := range p.OuterHashKeys { expr, err := expression.NewFunctionBase(MockContext(), ast.EQ, types.NewFieldType(mysql.TypeLonglong), p.OuterHashKeys[i], p.InnerHashKeys[i]) @@ -541,7 +546,12 @@ func (p *PhysicalIndexJoin) explainInfo(normalized bool) string { // ExplainNormalizedInfo implements Plan interface. func (p *PhysicalIndexJoin) ExplainNormalizedInfo() string { - return p.explainInfo(true) + return p.explainInfo(true, false) +} + +// ExplainNormalizedInfo implements Plan interface. +func (p *PhysicalIndexMergeJoin) ExplainNormalizedInfo() string { + return p.explainInfo(true, true) } // ExplainInfo implements Plan interface. diff --git a/planner/core/testdata/analyze_suite_out.json b/planner/core/testdata/analyze_suite_out.json index ef7a4b7303c05..994ad6b67e179 100644 --- a/planner/core/testdata/analyze_suite_out.json +++ b/planner/core/testdata/analyze_suite_out.json @@ -143,9 +143,9 @@ ], "Plan": [ "IndexJoin_9 12475.01 root inner join, inner:IndexReader_8, outer key:test.t1.a, inner key:test.t2.a, equal cond:eq(test.t1.a, test.t2.a), eq(test.t1.c, test.t2.c), other cond:gt(test.t2.b, minus(test.t1.b, 1)), lt(test.t2.b, plus(test.t1.b, 1))", - "├─TableReader_19(Build) 9980.01 root data:Selection_18", - "│ └─Selection_18 9980.01 cop[tikv] not(isnull(test.t1.a)), not(isnull(test.t1.c))", - "│ └─TableFullScan_17 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "├─TableReader_18(Build) 9980.01 root data:Selection_17", + "│ └─Selection_17 9980.01 cop[tikv] not(isnull(test.t1.a)), not(isnull(test.t1.c))", + "│ └─TableFullScan_16 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", "└─IndexReader_8(Probe) 1.25 root index:Selection_7", " └─Selection_7 1.25 cop[tikv] not(isnull(test.t2.a)), not(isnull(test.t2.c))", " └─IndexRangeScan_6 1.25 cop[tikv] table:t2, index:idx(a, b, c) range: decided by [eq(test.t2.a, test.t1.a) gt(test.t2.b, minus(test.t1.b, 1)) lt(test.t2.b, plus(test.t1.b, 1))], keep order:false, stats:pseudo" diff --git a/planner/core/testdata/integration_serial_suite_out.json b/planner/core/testdata/integration_serial_suite_out.json index 918d08fa7dcfc..937afcb4cc61e 100644 --- a/planner/core/testdata/integration_serial_suite_out.json +++ b/planner/core/testdata/integration_serial_suite_out.json @@ -514,9 +514,9 @@ "SQL": "explain select /*+ inl_join(s) */ * from t join s on t.a=s.a and t.b = s.b", "Plan": [ "IndexJoin_11 12475.01 root inner join, inner:IndexLookUp_10, outer key:test.t.a, inner key:test.s.a, equal cond:eq(test.t.a, test.s.a), eq(test.t.b, test.s.b)", - "├─TableReader_24(Build) 9980.01 root data:Selection_23", - "│ └─Selection_23 9980.01 cop[tikv] not(isnull(test.t.a)), not(isnull(test.t.b))", - "│ └─TableFullScan_22 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", + "├─TableReader_23(Build) 9980.01 root data:Selection_22", + "│ └─Selection_22 9980.01 cop[tikv] not(isnull(test.t.a)), not(isnull(test.t.b))", + "│ └─TableFullScan_21 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", "└─IndexLookUp_10(Probe) 1.25 root ", " ├─Selection_8(Build) 1.25 cop[tikv] not(isnull(test.s.a))", " │ └─IndexRangeScan_6 1.25 cop[tikv] table:s, index:a(a) range: decided by [eq(test.s.a, test.t.a)], keep order:false, stats:pseudo", @@ -528,9 +528,9 @@ "SQL": "explain select /*+ inl_join(s) */ * from t join s on t.a=s.a and t.b = s.a", "Plan": [ "IndexJoin_10 12475.01 root inner join, inner:IndexLookUp_9, outer key:test.t.a, inner key:test.s.a, equal cond:eq(test.t.a, test.s.a), eq(test.t.b, test.s.a)", - "├─TableReader_22(Build) 9980.01 root data:Selection_21", - "│ └─Selection_21 9980.01 cop[tikv] not(isnull(test.t.a)), not(isnull(test.t.b))", - "│ └─TableFullScan_20 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", + "├─TableReader_21(Build) 9980.01 root data:Selection_20", + "│ └─Selection_20 9980.01 cop[tikv] not(isnull(test.t.a)), not(isnull(test.t.b))", + "│ └─TableFullScan_19 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", "└─IndexLookUp_9(Probe) 1.25 root ", " ├─Selection_8(Build) 1.25 cop[tikv] not(isnull(test.s.a))", " │ └─IndexRangeScan_6 1.25 cop[tikv] table:s, index:a(a) range: decided by [eq(test.s.a, test.t.a)], keep order:false, stats:pseudo", @@ -541,9 +541,9 @@ "SQL": "explain select /*+ inl_join(s) */ * from t join s on t.a=s.a and t.a = s.b", "Plan": [ "IndexJoin_11 12475.01 root inner join, inner:IndexLookUp_10, outer key:test.t.a, inner key:test.s.a, equal cond:eq(test.t.a, test.s.a), eq(test.t.a, test.s.b)", - "├─TableReader_24(Build) 9990.00 root data:Selection_23", - "│ └─Selection_23 9990.00 cop[tikv] not(isnull(test.t.a))", - "│ └─TableFullScan_22 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", + "├─TableReader_23(Build) 9990.00 root data:Selection_22", + "│ └─Selection_22 9990.00 cop[tikv] not(isnull(test.t.a))", + "│ └─TableFullScan_21 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", "└─IndexLookUp_10(Probe) 1.25 root ", " ├─Selection_8(Build) 1.25 cop[tikv] not(isnull(test.s.a))", " │ └─IndexRangeScan_6 1.25 cop[tikv] table:s, index:a(a) range: decided by [eq(test.s.a, test.t.a)], keep order:false, stats:pseudo", @@ -555,9 +555,9 @@ "SQL": "explain select /*+ inl_hash_join(s) */ * from t join s on t.a=s.a and t.b = s.b", "Plan": [ "IndexHashJoin_13 12475.01 root inner join, inner:IndexLookUp_10, outer key:test.t.a, inner key:test.s.a, equal cond:eq(test.t.a, test.s.a), eq(test.t.b, test.s.b)", - "├─TableReader_24(Build) 9980.01 root data:Selection_23", - "│ └─Selection_23 9980.01 cop[tikv] not(isnull(test.t.a)), not(isnull(test.t.b))", - "│ └─TableFullScan_22 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", + "├─TableReader_23(Build) 9980.01 root data:Selection_22", + "│ └─Selection_22 9980.01 cop[tikv] not(isnull(test.t.a)), not(isnull(test.t.b))", + "│ └─TableFullScan_21 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", "└─IndexLookUp_10(Probe) 1.25 root ", " ├─Selection_8(Build) 1.25 cop[tikv] not(isnull(test.s.a))", " │ └─IndexRangeScan_6 1.25 cop[tikv] table:s, index:a(a) range: decided by [eq(test.s.a, test.t.a)], keep order:false, stats:pseudo", @@ -569,9 +569,9 @@ "SQL": "explain select /*+ inl_hash_join(s) */ * from t join s on t.a=s.a and t.b = s.a", "Plan": [ "IndexHashJoin_12 12475.01 root inner join, inner:IndexLookUp_9, outer key:test.t.a, inner key:test.s.a, equal cond:eq(test.t.a, test.s.a), eq(test.t.b, test.s.a)", - "├─TableReader_22(Build) 9980.01 root data:Selection_21", - "│ └─Selection_21 9980.01 cop[tikv] not(isnull(test.t.a)), not(isnull(test.t.b))", - "│ └─TableFullScan_20 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", + "├─TableReader_21(Build) 9980.01 root data:Selection_20", + "│ └─Selection_20 9980.01 cop[tikv] not(isnull(test.t.a)), not(isnull(test.t.b))", + "│ └─TableFullScan_19 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", "└─IndexLookUp_9(Probe) 1.25 root ", " ├─Selection_8(Build) 1.25 cop[tikv] not(isnull(test.s.a))", " │ └─IndexRangeScan_6 1.25 cop[tikv] table:s, index:a(a) range: decided by [eq(test.s.a, test.t.a)], keep order:false, stats:pseudo", @@ -582,9 +582,9 @@ "SQL": "explain select /*+ inl_hash_join(s) */ * from t join s on t.a=s.a and t.a = s.b", "Plan": [ "IndexHashJoin_13 12475.01 root inner join, inner:IndexLookUp_10, outer key:test.t.a, inner key:test.s.a, equal cond:eq(test.t.a, test.s.a), eq(test.t.a, test.s.b)", - "├─TableReader_24(Build) 9990.00 root data:Selection_23", - "│ └─Selection_23 9990.00 cop[tikv] not(isnull(test.t.a))", - "│ └─TableFullScan_22 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", + "├─TableReader_23(Build) 9990.00 root data:Selection_22", + "│ └─Selection_22 9990.00 cop[tikv] not(isnull(test.t.a))", + "│ └─TableFullScan_21 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", "└─IndexLookUp_10(Probe) 1.25 root ", " ├─Selection_8(Build) 1.25 cop[tikv] not(isnull(test.s.a))", " │ └─IndexRangeScan_6 1.25 cop[tikv] table:s, index:a(a) range: decided by [eq(test.s.a, test.t.a)], keep order:false, stats:pseudo", diff --git a/planner/core/testdata/integration_suite_out.json b/planner/core/testdata/integration_suite_out.json index 38d70b5c6ba3d..0ad109e42dcb2 100644 --- a/planner/core/testdata/integration_suite_out.json +++ b/planner/core/testdata/integration_suite_out.json @@ -69,8 +69,8 @@ "SQL": "explain select /*+ inl_join(t2) */ * from t1, t2 where t1.a = t2.a and t1.b = t2.b and t1.c = t2.c", "Plan": [ "IndexJoin_10 3.00 root inner join, inner:IndexLookUp_9, outer key:test.t1.c, inner key:test.t2.c, equal cond:eq(test.t1.a, test.t2.a), eq(test.t1.b, test.t2.b), eq(test.t1.c, test.t2.c)", - "├─TableReader_20(Build) 3.00 root data:TableFullScan_19", - "│ └─TableFullScan_19 3.00 cop[tikv] table:t1 keep order:false", + "├─TableReader_19(Build) 3.00 root data:TableFullScan_18", + "│ └─TableFullScan_18 3.00 cop[tikv] table:t1 keep order:false", "└─IndexLookUp_9(Probe) 1.00 root ", " ├─IndexRangeScan_7(Build) 1.00 cop[tikv] table:t2, index:idx2(c) range: decided by [eq(test.t2.c, test.t1.c)], keep order:false", " └─TableRowIDScan_8(Probe) 1.00 cop[tikv] table:t2 keep order:false" @@ -175,8 +175,8 @@ "SQL": "explain select /*+ TIDB_INLJ(t2) */ * from t1 join t2 on t1.a = t2.a and t1.c = t2.c", "Plan": [ "IndexJoin_9 2.00 root inner join, inner:IndexLookUp_8, outer key:test.t1.a, inner key:test.t2.a, equal cond:eq(test.t1.a, test.t2.a), eq(test.t1.c, test.t2.c)", - "├─TableReader_19(Build) 1.00 root data:TableFullScan_18", - "│ └─TableFullScan_18 1.00 cop[tikv] table:t1 keep order:false", + "├─TableReader_18(Build) 1.00 root data:TableFullScan_17", + "│ └─TableFullScan_17 1.00 cop[tikv] table:t1 keep order:false", "└─IndexLookUp_8(Probe) 2.00 root ", " ├─IndexRangeScan_6(Build) 2.00 cop[tikv] table:t2, index:PRIMARY(a, b) range: decided by [eq(test.t2.a, test.t1.a)], keep order:false", " └─TableRowIDScan_7(Probe) 2.00 cop[tikv] table:t2 keep order:false" @@ -348,23 +348,23 @@ { "SQL": "desc select /*+ TIDB_INLJ(t2)*/ * from t1, t2 where t1.a = t2.a and t1.b = t2.b", "Plan": [ - "IndexJoin_15 12487.50 root inner join, inner:TableReader_11, outer key:test.t1.a, inner key:test.t2.a, equal cond:eq(test.t1.a, test.t2.a), eq(test.t1.b, test.t2.b)", - "├─IndexReader_21(Build) 9990.00 root index:IndexFullScan_20", - "│ └─IndexFullScan_20 9990.00 cop[tikv] table:t1, index:idx_t1_b(b) keep order:false, stats:pseudo", - "└─TableReader_11(Probe) 1.00 root data:Selection_10", - " └─Selection_10 1.00 cop[tikv] not(isnull(test.t2.b))", - " └─TableRangeScan_9 1.00 cop[tikv] table:t2 range: decided by [test.t1.a], keep order:false, stats:pseudo" + "IndexJoin_14 12487.50 root inner join, inner:TableReader_10, outer key:test.t1.a, inner key:test.t2.a, equal cond:eq(test.t1.a, test.t2.a), eq(test.t1.b, test.t2.b)", + "├─IndexReader_19(Build) 9990.00 root index:IndexFullScan_18", + "│ └─IndexFullScan_18 9990.00 cop[tikv] table:t1, index:idx_t1_b(b) keep order:false, stats:pseudo", + "└─TableReader_10(Probe) 1.00 root data:Selection_9", + " └─Selection_9 1.00 cop[tikv] not(isnull(test.t2.b))", + " └─TableRangeScan_8 1.00 cop[tikv] table:t2 range: decided by [test.t1.a], keep order:false, stats:pseudo" ] }, { "SQL": "desc select /*+ TIDB_INLJ(t2)*/ * from t1, t2 where t1.a = t2.a and t1.b = t2.a and t1.b = t2.b", "Plan": [ - "IndexJoin_15 12487.50 root inner join, inner:TableReader_11, outer key:test.t1.a, test.t1.b, inner key:test.t2.a, test.t2.a, equal cond:eq(test.t1.a, test.t2.a), eq(test.t1.b, test.t2.a), eq(test.t1.b, test.t2.b)", - "├─IndexReader_20(Build) 9990.00 root index:IndexFullScan_19", - "│ └─IndexFullScan_19 9990.00 cop[tikv] table:t1, index:idx_t1_b(b) keep order:false, stats:pseudo", - "└─TableReader_11(Probe) 1.00 root data:Selection_10", - " └─Selection_10 1.00 cop[tikv] not(isnull(test.t2.b))", - " └─TableRangeScan_9 1.00 cop[tikv] table:t2 range: decided by [test.t1.a test.t1.b], keep order:false, stats:pseudo" + "IndexJoin_13 12487.50 root inner join, inner:TableReader_9, outer key:test.t1.a, test.t1.b, inner key:test.t2.a, test.t2.a, equal cond:eq(test.t1.a, test.t2.a), eq(test.t1.b, test.t2.a), eq(test.t1.b, test.t2.b)", + "├─IndexReader_18(Build) 9990.00 root index:IndexFullScan_17", + "│ └─IndexFullScan_17 9990.00 cop[tikv] table:t1, index:idx_t1_b(b) keep order:false, stats:pseudo", + "└─TableReader_9(Probe) 1.00 root data:Selection_8", + " └─Selection_8 1.00 cop[tikv] not(isnull(test.t2.b))", + " └─TableRangeScan_7 1.00 cop[tikv] table:t2 range: decided by [test.t1.a test.t1.b], keep order:false, stats:pseudo" ] } ] diff --git a/planner/core/testdata/plan_suite_out.json b/planner/core/testdata/plan_suite_out.json index 75ffa492dc74a..d2c771a448cf5 100644 --- a/planner/core/testdata/plan_suite_out.json +++ b/planner/core/testdata/plan_suite_out.json @@ -446,7 +446,7 @@ }, { "SQL": "select * from t where t.c in (select b from t s where s.a = t.a)", - "Best": "MergeSemiJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)" + "Best": "LeftHashJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)(test.t.c,test.t.b)" }, { "SQL": "select t.c in (select b from t s where s.a = t.a) from t", @@ -2232,7 +2232,8 @@ "TableReader_7 2048.00 root data:Selection_6", "└─Selection_6 2048.00 cop[tikv] eq(test.test.age, 5)", " └─TableFullScan_5 2048.00 cop[tikv] table:test keep order:false" - ] + ], + "Result": null } ] }, @@ -2245,7 +2246,8 @@ "IndexLookUp_7 2048.00 root ", "├─IndexRangeScan_5(Build) 2048.00 cop[tikv] table:test, index:idx_age(age) range:[5,5], keep order:false", "└─TableRowIDScan_6(Probe) 2048.00 cop[tikv] table:test keep order:false" - ] + ], + "Result": null } ] } From 49a15278933eb0d182861d0f42bcfc5611581085 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=99=8E?= Date: Thu, 19 Nov 2020 19:04:53 +0800 Subject: [PATCH 0254/1021] expression: adjust int constant when compare with year type (#21099) --- executor/executor_test.go | 13 +++++++++++++ expression/builtin_compare.go | 19 ++++++++++++++++++- types/time.go | 4 ++-- util/ranger/ranger_test.go | 18 +++++++++++++----- 4 files changed, 46 insertions(+), 8 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index f36cd4a021246..e9f45aacccba3 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -7013,5 +7013,18 @@ func (s *testSuite) TestIssue20975SelectForUpdateBatchPointGetWithPartitionTable tk1.MustExec("select * from t1 where id in (1, 11) for update") tk2.MustExec("drop table t2") tk1.MustExec("commit") +} +func (s *testSuite) TestIssue20305(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t2 (a year(4))") + tk.MustExec("insert into t2 values(69)") + tk.MustQuery("select * from t2 where a <= 69").Check(testkit.Rows("2069")) + // the following test is a regression test that matches MySQL's behavior. + tk.MustExec("drop table if exists t3") + tk.MustExec("CREATE TABLE `t3` (`y` year DEFAULT NULL, `a` int DEFAULT NULL)") + tk.MustExec("INSERT INTO `t3` VALUES (2069, 70), (2010, 11), (2155, 2156), (2069, 69)") + tk.MustQuery("SELECT * FROM `t3` where y <= a").Check(testkit.Rows("2155 2156")) } diff --git a/expression/builtin_compare.go b/expression/builtin_compare.go index 5564b1f00d11c..24618a046cf15 100644 --- a/expression/builtin_compare.go +++ b/expression/builtin_compare.go @@ -1282,7 +1282,8 @@ func RefineComparedConstant(ctx sessionctx.Context, targetFieldType types.FieldT } // refineArgs will rewrite the arguments if the compare expression is `int column non-int constant` or -// `non-int constant int column`. E.g., `a < 1.1` will be rewritten to `a < 2`. +// `non-int constant int column`. E.g., `a < 1.1` will be rewritten to `a < 2`. It also handles comparing year type +// with int constant if the int constant falls into a sensible year representation. func (c *compareFunctionClass) refineArgs(ctx sessionctx.Context, args []Expression) []Expression { if ContainMutableConst(ctx, args) { return args @@ -1325,6 +1326,22 @@ func (c *compareFunctionClass) refineArgs(ctx sessionctx.Context, args []Express } } } + // int constant [cmp] year type + if arg0IsCon && arg0IsInt && arg1Type.Tp == mysql.TypeYear { + adjusted, failed := types.AdjustYear(arg0.Value.GetInt64(), false) + if failed == nil { + arg0.Value.SetInt64(adjusted) + finalArg0 = arg0 + } + } + // year type [cmp] int constant + if arg1IsCon && arg1IsInt && arg0Type.Tp == mysql.TypeYear { + adjusted, failed := types.AdjustYear(arg1.Value.GetInt64(), false) + if failed == nil { + arg1.Value.SetInt64(adjusted) + finalArg1 = arg1 + } + } if isExceptional && (c.op == opcode.EQ || c.op == opcode.NullEQ) { // This will always be false. return []Expression{NewZero(), NewOne()} diff --git a/types/time.go b/types/time.go index 90bfe7aa82985..cd353153a5057 100644 --- a/types/time.go +++ b/types/time.go @@ -1224,8 +1224,8 @@ func adjustYear(y int) int { } // AdjustYear is used for adjusting year and checking its validation. -func AdjustYear(y int64, shouldAdjust bool) (int64, error) { - if y == 0 && !shouldAdjust { +func AdjustYear(y int64, adjustZero bool) (int64, error) { + if y == 0 && !adjustZero { return y, nil } y = int64(adjustYear(int(y))) diff --git a/util/ranger/ranger_test.go b/util/ranger/ranger_test.go index 3e9d7b8542210..f6c0e48f82f0b 100644 --- a/util/ranger/ranger_test.go +++ b/util/ranger/ranger_test.go @@ -1343,6 +1343,7 @@ func (s *testRangerSuite) TestIndexRangeForYear(c *C) { testKit.MustExec("INSERT INTO t VALUES (1), (70), (99), (0), ('0')") testKit.MustQuery("SELECT * FROM t WHERE a < 15698").Check(testkit.Rows("0", "1970", "1999", "2000", "2001")) testKit.MustQuery("SELECT * FROM t WHERE a <= 0").Check(testkit.Rows("0")) + testKit.MustQuery("SELECT * FROM t WHERE a <= 1").Check(testkit.Rows("0", "1970", "1999", "2000", "2001")) testKit.MustQuery("SELECT * FROM t WHERE a < 2000").Check(testkit.Rows("0", "1970", "1999")) testKit.MustQuery("SELECT * FROM t WHERE a > -1").Check(testkit.Rows("0", "1970", "1999", "2000", "2001")) @@ -1370,14 +1371,21 @@ func (s *testRangerSuite) TestIndexRangeForYear(c *C) { { indexPos: 0, exprStr: `a not in (1, 2, 70)`, - accessConds: "[not(in(test.t.a, 1, 2, 70))]", + accessConds: "[not(in(test.t.a, 1, 2, 70))]", // this is in accordance with MySQL, MySQL won't interpret 70 here as 1970 filterConds: "[]", resultStr: `[(NULL,1970) (1970,2001) (2002,+inf]]`, }, + { + indexPos: 0, + exprStr: `a = 1 or a = 2 or a = 70`, + accessConds: "[or(eq(test.t.a, 2001), or(eq(test.t.a, 2002), eq(test.t.a, 1970)))]", // this is in accordance with MySQL, MySQL won't interpret 70 here as 1970 + filterConds: "[]", + resultStr: `[[1970,1970] [2001,2002]]`, + }, { indexPos: 0, exprStr: `a not in (99)`, - accessConds: "[ne(test.t.a, 99)]", + accessConds: "[ne(test.t.a, 1999)]", // this is in accordance with MySQL filterConds: "[]", resultStr: `[[-inf,1999) (1999,+inf]]`, }, @@ -1405,7 +1413,7 @@ func (s *testRangerSuite) TestIndexRangeForYear(c *C) { { indexPos: 0, exprStr: `a != 1`, - accessConds: "[ne(test.t.a, 1)]", + accessConds: "[ne(test.t.a, 2001)]", filterConds: "[]", resultStr: `[[-inf,2001) (2001,+inf]]`, }, @@ -1418,13 +1426,13 @@ func (s *testRangerSuite) TestIndexRangeForYear(c *C) { }, { exprStr: "a < 99 or a > 01", - accessConds: "[or(lt(test.t.a, 99), gt(test.t.a, 1))]", + accessConds: "[or(lt(test.t.a, 1999), gt(test.t.a, 2001))]", filterConds: "[]", resultStr: "[[-inf,1999) (2001,+inf]]", }, { exprStr: "a >= 70 and a <= 69", - accessConds: "[ge(test.t.a, 70) le(test.t.a, 69)]", + accessConds: "[ge(test.t.a, 1970) le(test.t.a, 2069)]", filterConds: "[]", resultStr: "[[1970,2069]]", }, From 22feeb4aef750724f9f1321267a6bd5a661eb5e7 Mon Sep 17 00:00:00 2001 From: Alkaid Jiang <38248129+jyz0309@users.noreply.github.com> Date: Thu, 19 Nov 2020 19:36:54 +0800 Subject: [PATCH 0255/1021] executor:Add runtime stat for IndexMergeReaderExecutor (#20653) Signed-off-by: jyz0309 <45495947@qq.com> --- executor/executor_test.go | 25 ++++++ executor/index_merge_reader.go | 139 ++++++++++++++++++++++++++++++-- util/execdetails/execdetails.go | 2 + 3 files changed, 160 insertions(+), 6 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index e9f45aacccba3..a6036bfb07952 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6527,6 +6527,31 @@ func (s *testSerialSuite1) TestCollectCopRuntimeStats(c *C) { c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/tikvStoreRespResult"), IsNil) } +func (s *testSerialSuite1) TestIndexMergeRuntimeStats(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("drop table if exists t1") + tk.MustExec("set @@tidb_enable_index_merge = 1") + tk.MustExec("create table t1(id int primary key, a int, b int, c int, d int)") + tk.MustExec("create index t1a on t1(a)") + tk.MustExec("create index t1b on t1(b)") + tk.MustExec("insert into t1 values(1,1,1,1,1),(2,2,2,2,2),(3,3,3,3,3),(4,4,4,4,4),(5,5,5,5,5)") + sql := "explain analyze select /*+ use_index_merge(t1, primary, t1a) */ * from t1 where id < 2 or a > 4;" + rows := tk.MustQuery(sql).Rows() + c.Assert(len(rows), Equals, 4) + explain := fmt.Sprintf("%v", rows[0]) + c.Assert(explain, Matches, ".*time:.*loops:.*index_task:{fetch_handle:.*, merge:.*}.*table_task:{num.*concurrency.*fetch_row.*wait_time.*}.*") + tableRangeExplain := fmt.Sprintf("%v", rows[1]) + indexExplain := fmt.Sprintf("%v", rows[2]) + tableExplain := fmt.Sprintf("%v", rows[3]) + c.Assert(tableRangeExplain, Matches, ".*time:.*loops:.*cop_task:.*") + c.Assert(indexExplain, Matches, ".*time:.*loops:.*cop_task:.*") + c.Assert(tableExplain, Matches, ".*time:.*loops:.*cop_task:.*") + tk.MustExec("set @@tidb_enable_collect_execution_info=0;") + sql = "select /*+ use_index_merge(t1, primary, t1a) */ * from t1 where id < 2 or a > 4 order by a" + tk.MustQuery(sql).Check(testkit.Rows("1 1 1 1 1", "5 5 5 5 5")) +} + func (s *testSerialSuite1) TestIndexlookupRuntimeStats(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") diff --git a/executor/index_merge_reader.go b/executor/index_merge_reader.go index 689e466e3659c..22de3f61dbfbe 100644 --- a/executor/index_merge_reader.go +++ b/executor/index_merge_reader.go @@ -14,10 +14,13 @@ package executor import ( + "bytes" "context" + "fmt" "runtime/trace" "sync" "sync/atomic" + "time" "unsafe" "github.com/pingcap/errors" @@ -33,6 +36,7 @@ import ( "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/chunk" + "github.com/pingcap/tidb/util/execdetails" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/memory" "github.com/pingcap/tidb/util/ranger" @@ -102,11 +106,13 @@ type IndexMergeReaderExecutor struct { colLens [][]int handleCols plannercore.HandleCols + stats *IndexMergeRuntimeStat } // Open implements the Executor Open interface func (e *IndexMergeReaderExecutor) Open(ctx context.Context) error { e.keyRanges = make([][]kv.KeyRange, 0, len(e.partialPlans)) + e.initRuntimeStats() for i, plan := range e.partialPlans { _, ok := plan[0].(*plannercore.PhysicalIndexScan) if !ok { @@ -169,7 +175,9 @@ func (e *IndexMergeReaderExecutor) waitPartialWorkersAndCloseFetchChan(partialWo } func (e *IndexMergeReaderExecutor) startIndexMergeProcessWorker(ctx context.Context, workCh chan<- *lookupTableTask, fetch <-chan *lookupTableTask) { - idxMergeProcessWorker := &indexMergeProcessWorker{} + idxMergeProcessWorker := &indexMergeProcessWorker{ + stats: e.stats, + } e.processWokerWg.Add(1) go func() { defer trace.StartRegion(ctx, "IndexMergeProcessWorker").End() @@ -202,14 +210,15 @@ func (e *IndexMergeReaderExecutor) startPartialIndexWorker(ctx context.Context, if err != nil { return err } - - result, err := distsql.SelectWithRuntimeStats(ctx, e.ctx, kvReq, e.handleCols.GetFieldsTypes(), e.feedbacks[workID], getPhysicalPlanIDs(e.partialPlans[workID]), e.id) + result, err := distsql.SelectWithRuntimeStats(ctx, e.ctx, kvReq, e.handleCols.GetFieldsTypes(), e.feedbacks[workID], getPhysicalPlanIDs(e.partialPlans[workID]), e.getPartitalPlanID(workID)) if err != nil { return err } result.Fetch(ctx) worker := &partialIndexWorker{ + stats: e.stats, + idxID: e.getPartitalPlanID(workID), sc: e.ctx, batchSize: e.maxChunkSize, maxBatchSize: e.ctx.GetSessionVars().IndexLookupSize, @@ -250,7 +259,7 @@ func (e *IndexMergeReaderExecutor) startPartialIndexWorker(ctx context.Context, func (e *IndexMergeReaderExecutor) buildPartialTableReader(ctx context.Context, workID int) Executor { tableReaderExec := &TableReaderExecutor{ - baseExecutor: newBaseExecutor(e.ctx, e.schema, 0), + baseExecutor: newBaseExecutor(e.ctx, e.schema, e.getPartitalPlanID(workID)), table: e.table, dagPB: e.dagPBs[workID], startTS: e.startTS, @@ -272,6 +281,7 @@ func (e *IndexMergeReaderExecutor) startPartialTableWorker(ctx context.Context, } tableInfo := e.partialPlans[workID][0].(*plannercore.PhysicalTableScan).Table worker := &partialTableWorker{ + stats: e.stats, sc: e.ctx, batchSize: e.maxChunkSize, maxBatchSize: e.ctx.GetSessionVars().IndexLookupSize, @@ -306,7 +316,31 @@ func (e *IndexMergeReaderExecutor) startPartialTableWorker(ctx context.Context, return nil } +func (e *IndexMergeReaderExecutor) initRuntimeStats() { + if e.runtimeStats != nil && e.stats == nil { + e.stats = &IndexMergeRuntimeStat{ + Concurrency: e.ctx.GetSessionVars().IndexLookupConcurrency(), + } + e.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.RegisterStats(e.id, e.stats) + } +} + +func (e *IndexMergeReaderExecutor) getPartitalPlanID(workID int) int { + if len(e.partialPlans[workID]) > 0 { + return e.partialPlans[workID][len(e.partialPlans[workID])-1].ID() + } + return 0 +} + +func (e *IndexMergeReaderExecutor) getTablePlanRootID() int { + if len(e.tblPlans) > 0 { + return e.tblPlans[len(e.tblPlans)-1].ID() + } + return e.id +} + type partialTableWorker struct { + stats *IndexMergeRuntimeStat sc sessionctx.Context batchSize int maxBatchSize int @@ -318,7 +352,12 @@ type partialTableWorker struct { func (w *partialTableWorker) fetchHandles(ctx context.Context, exitCh <-chan struct{}, fetchCh chan<- *lookupTableTask, resultCh chan<- *lookupTableTask, finished <-chan struct{}, handleCols plannercore.HandleCols) (count int64, err error) { chk := chunk.NewChunkWithCapacity(retTypes(w.tableReader), w.maxChunkSize) + var basic *execdetails.BasicRuntimeStats + if be := w.tableReader.base(); be != nil && be.runtimeStats != nil { + basic = be.runtimeStats + } for { + start := time.Now() handles, retChunk, err := w.extractTaskHandles(ctx, chk, handleCols) if err != nil { doneCh := make(chan error, 1) @@ -333,6 +372,9 @@ func (w *partialTableWorker) fetchHandles(ctx context.Context, exitCh <-chan str } count += int64(len(handles)) task := w.buildTableTask(handles, retChunk) + if w.stats != nil { + atomic.AddInt64(&w.stats.FetchIdxTime, int64(time.Since(start))) + } select { case <-ctx.Done(): return count, ctx.Err() @@ -342,6 +384,9 @@ func (w *partialTableWorker) fetchHandles(ctx context.Context, exitCh <-chan str return count, nil case fetchCh <- task: } + if basic != nil { + basic.Record(time.Since(start), chk.NumRows()) + } } } @@ -387,6 +432,7 @@ func (e *IndexMergeReaderExecutor) startIndexMergeTableScanWorker(ctx context.Co e.tblWorkerWg.Add(lookupConcurrencyLimit) for i := 0; i < lookupConcurrencyLimit; i++ { worker := &indexMergeTableScanWorker{ + stats: e.stats, workCh: workCh, finished: e.finished, buildTblReader: e.buildFinalTableReader, @@ -409,7 +455,7 @@ func (e *IndexMergeReaderExecutor) startIndexMergeTableScanWorker(ctx context.Co func (e *IndexMergeReaderExecutor) buildFinalTableReader(ctx context.Context, handles []kv.Handle) (Executor, error) { tableReaderExec := &TableReaderExecutor{ - baseExecutor: newBaseExecutor(e.ctx, e.schema, 0), + baseExecutor: newBaseExecutor(e.ctx, e.schema, e.getTablePlanRootID()), table: e.table, dagPB: e.tableRequest, startTS: e.startTS, @@ -505,6 +551,7 @@ func (e *IndexMergeReaderExecutor) Close() error { } type indexMergeProcessWorker struct { + stats *IndexMergeRuntimeStat } func (w *indexMergeProcessWorker) fetchLoop(ctx context.Context, fetchCh <-chan *lookupTableTask, @@ -515,8 +562,8 @@ func (w *indexMergeProcessWorker) fetchLoop(ctx context.Context, fetchCh <-chan }() distinctHandles := kv.NewHandleMap() - for task := range fetchCh { + start := time.Now() handles := task.handles fhs := make([]kv.Handle, 0, 8) for _, h := range handles { @@ -532,6 +579,9 @@ func (w *indexMergeProcessWorker) fetchLoop(ctx context.Context, fetchCh <-chan handles: fhs, doneCh: make(chan error, 1), } + if w.stats != nil { + w.stats.IndexMergeProcess += time.Since(start) + } select { case <-ctx.Done(): return @@ -560,7 +610,9 @@ func (w *indexMergeProcessWorker) handleLoopFetcherPanic(ctx context.Context, re } type partialIndexWorker struct { + stats *IndexMergeRuntimeStat sc sessionctx.Context + idxID int batchSize int maxBatchSize int maxChunkSize int @@ -575,7 +627,15 @@ func (w *partialIndexWorker) fetchHandles( finished <-chan struct{}, handleCols plannercore.HandleCols) (count int64, err error) { chk := chunk.NewChunkWithCapacity(handleCols.GetFieldsTypes(), w.maxChunkSize) + var basicStats *execdetails.BasicRuntimeStats + if w.stats != nil { + if w.idxID != 0 { + basicStats = &execdetails.BasicRuntimeStats{} + w.sc.GetSessionVars().StmtCtx.RuntimeStatsColl.RegisterStats(w.idxID, basicStats) + } + } for { + start := time.Now() handles, retChunk, err := w.extractTaskHandles(ctx, chk, result, handleCols) if err != nil { doneCh := make(chan error, 1) @@ -590,6 +650,9 @@ func (w *partialIndexWorker) fetchHandles( } count += int64(len(handles)) task := w.buildTableTask(handles, retChunk) + if w.stats != nil { + atomic.AddInt64(&w.stats.FetchIdxTime, int64(time.Since(start))) + } select { case <-ctx.Done(): return count, ctx.Err() @@ -599,6 +662,9 @@ func (w *partialIndexWorker) fetchHandles( return count, nil case fetchCh <- task: } + if basicStats != nil { + basicStats.Record(time.Since(start), chk.NumRows()) + } } } @@ -640,6 +706,7 @@ func (w *partialIndexWorker) buildTableTask(handles []kv.Handle, retChk *chunk.C } type indexMergeTableScanWorker struct { + stats *IndexMergeRuntimeStat workCh <-chan *lookupTableTask finished <-chan struct{} buildTblReader func(ctx context.Context, handles []kv.Handle) (Executor, error) @@ -652,6 +719,7 @@ type indexMergeTableScanWorker struct { func (w *indexMergeTableScanWorker) pickAndExecTask(ctx context.Context) (task *lookupTableTask) { var ok bool for { + waitStart := time.Now() select { case task, ok = <-w.workCh: if !ok { @@ -660,7 +728,13 @@ func (w *indexMergeTableScanWorker) pickAndExecTask(ctx context.Context) (task * case <-w.finished: return } + execStart := time.Now() err := w.executeTask(ctx, task) + if w.stats != nil { + atomic.AddInt64(&w.stats.WaitTime, int64(execStart.Sub(waitStart))) + atomic.AddInt64(&w.stats.FetchRow, int64(time.Since(execStart))) + atomic.AddInt64(&w.stats.TableTaskNum, 1) + } task.doneCh <- err } } @@ -717,3 +791,56 @@ func (w *indexMergeTableScanWorker) executeTask(ctx context.Context, task *looku } return nil } + +// IndexMergeRuntimeStat record the indexMerge runtime stat +type IndexMergeRuntimeStat struct { + IndexMergeProcess time.Duration + FetchIdxTime int64 + WaitTime int64 + FetchRow int64 + TableTaskNum int64 + Concurrency int +} + +func (e *IndexMergeRuntimeStat) String() string { + var buf bytes.Buffer + if e.FetchIdxTime != 0 { + buf.WriteString(fmt.Sprintf("index_task:{fetch_handle:%s", time.Duration(e.FetchIdxTime))) + if e.IndexMergeProcess != 0 { + buf.WriteString(fmt.Sprintf(", merge:%s", e.IndexMergeProcess)) + } + buf.WriteByte('}') + } + if e.FetchRow != 0 { + if buf.Len() > 0 { + buf.WriteByte(',') + } + buf.WriteString(fmt.Sprintf(" table_task:{num:%d, concurrency:%d, fetch_row:%s, wait_time:%s}", e.TableTaskNum, e.Concurrency, time.Duration(e.FetchRow), time.Duration(e.WaitTime))) + } + return buf.String() +} + +// Clone implements the RuntimeStats interface. +func (e *IndexMergeRuntimeStat) Clone() execdetails.RuntimeStats { + newRs := *e + return &newRs +} + +// Merge implements the RuntimeStats interface. +func (e *IndexMergeRuntimeStat) Merge(other execdetails.RuntimeStats) { + tmp, ok := other.(*IndexMergeRuntimeStat) + if !ok { + return + } + e.IndexMergeProcess += tmp.IndexMergeProcess + e.FetchIdxTime += tmp.FetchIdxTime + e.FetchRow += tmp.FetchRow + e.WaitTime += e.WaitTime + e.TableTaskNum += tmp.TableTaskNum + e.Concurrency += tmp.Concurrency +} + +// Tp implements the RuntimeStats interface. +func (e *IndexMergeRuntimeStat) Tp() int { + return execdetails.TpIndexMergeRunTimeStats +} diff --git a/util/execdetails/execdetails.go b/util/execdetails/execdetails.go index 7cb1b567ec89e..0cf37c3c66867 100644 --- a/util/execdetails/execdetails.go +++ b/util/execdetails/execdetails.go @@ -495,6 +495,8 @@ const ( TpIndexLookUpRunTimeStats // TpSlowQueryRuntimeStat is the tp for TpSlowQueryRuntimeStat TpSlowQueryRuntimeStat + // TpIndexMergeRunTimeStats is the tp for TpIndexMergeRunTimeStats + TpIndexMergeRunTimeStats ) // RuntimeStats is used to express the executor runtime information. From eca1ce192b0a5aae1626c9eb005cd83ee670520f Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Fri, 20 Nov 2020 11:14:23 +0800 Subject: [PATCH 0256/1021] util: fix wrong calculation to get memory usage. (#21158) --- util/memory/meminfo.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/util/memory/meminfo.go b/util/memory/meminfo.go index b18b2500e4002..d08ccec9d4c50 100644 --- a/util/memory/meminfo.go +++ b/util/memory/meminfo.go @@ -36,7 +36,7 @@ func MemTotalNormal() (uint64, error) { // MemUsedNormal returns the total used amount of RAM on this system in non-container environment. func MemUsedNormal() (uint64, error) { v, err := mem.VirtualMemory() - return v.Total - (v.Free + v.Buffers + v.Cached), err + return v.Used, err } const ( From 92c012c4492c32b592814c2b57bfca4425770957 Mon Sep 17 00:00:00 2001 From: lance6716 Date: Fri, 20 Nov 2020 15:39:54 +0800 Subject: [PATCH 0257/1021] log: desensitize of dispatching error and parsing error (#21141) --- server/conn.go | 13 ++++++++++--- session/session.go | 6 +++++- util/misc.go | 2 +- 3 files changed, 16 insertions(+), 5 deletions(-) diff --git a/server/conn.go b/server/conn.go index 7a63136e0ff3e..2ec9989c1272c 100644 --- a/server/conn.go +++ b/server/conn.go @@ -804,7 +804,7 @@ func (cc *clientConn) Run(ctx context.Context) { zap.String("status", cc.SessionStatusToString()), zap.Stringer("sql", getLastStmtInConn{cc}), zap.String("txn_mode", txnMode), - zap.String("err", errStrForLog(err)), + zap.String("err", errStrForLog(err, cc.ctx.GetSessionVars().EnableRedactLog)), ) err1 := cc.writeError(ctx, err) terror.Log(err1) @@ -838,7 +838,14 @@ func queryStrForLog(query string) string { return query } -func errStrForLog(err error) string { +func errStrForLog(err error, enableRedactLog bool) string { + if enableRedactLog { + // currently, only ErrParse is considered when enableRedactLog because it may contain sensitive information like + // password or accesskey + if parser.ErrParse.Equal(err) { + return "fail to parse SQL and can't redact when enable log redaction" + } + } if kv.ErrKeyExists.Equal(err) || parser.ErrParse.Equal(err) || infoschema.ErrTableNotExists.Equal(err) { // Do not log stack for duplicated entry error. return err.Error() @@ -1972,7 +1979,7 @@ func (cc getLastStmtInConn) String() string { case mysql.ComQuery, mysql.ComStmtPrepare: sql := string(hack.String(data)) if cc.ctx.GetSessionVars().EnableRedactLog { - sql, _ = parser.NormalizeDigest(sql) + sql = parser.Normalize(sql) } return queryStrForLog(sql) case mysql.ComStmtExecute, mysql.ComStmtFetch: diff --git a/session/session.go b/session/session.go index 6d73e87fe402e..19bfea96d2a79 100644 --- a/session/session.go +++ b/session/session.go @@ -1169,7 +1169,11 @@ func (s *session) Parse(ctx context.Context, sql string) ([]ast.StmtNode, error) // Only print log message when this SQL is from the user. // Mute the warning for internal SQLs. if !s.sessionVars.InRestrictedSQL { - logutil.Logger(ctx).Warn("parse SQL failed", zap.Error(err), zap.String("SQL", sql)) + if s.sessionVars.EnableRedactLog { + logutil.Logger(ctx).Debug("parse SQL failed", zap.Error(err), zap.String("SQL", sql)) + } else { + logutil.Logger(ctx).Warn("parse SQL failed", zap.Error(err), zap.String("SQL", sql)) + } } return nil, util.SyntaxError(err) } diff --git a/util/misc.go b/util/misc.go index 2d731f48bbcc7..8879b0dc079c1 100644 --- a/util/misc.go +++ b/util/misc.go @@ -165,7 +165,7 @@ func SyntaxError(err error) error { if err == nil { return nil } - logutil.BgLogger().Error("syntax error", zap.Error(err)) + logutil.BgLogger().Debug("syntax error", zap.Error(err)) // If the error is already a terror with stack, pass it through. if errors.HasStack(err) { From 1d668fa93022b8d14efc501477aa2ff3aba0a35d Mon Sep 17 00:00:00 2001 From: Yuanjia Zhang Date: Fri, 20 Nov 2020 17:29:11 +0800 Subject: [PATCH 0258/1021] expression: keep the original data type when doing date arithmetic operations (#20940) --- expression/builtin_time.go | 12 ++++-------- expression/integration_test.go | 9 +++++++++ 2 files changed, 13 insertions(+), 8 deletions(-) diff --git a/expression/builtin_time.go b/expression/builtin_time.go index b661f71818ac9..d8fe5b39710d3 100644 --- a/expression/builtin_time.go +++ b/expression/builtin_time.go @@ -2757,11 +2757,9 @@ func (du *baseDateArithmitical) getDateFromDatetime(ctx sessionctx.Context, args return types.ZeroTime, true, err } - dateTp := mysql.TypeDate - if date.Type() == mysql.TypeDatetime || date.Type() == mysql.TypeTimestamp || types.IsClockUnit(unit) { - dateTp = mysql.TypeDatetime + if types.IsClockUnit(unit) { + date.SetType(mysql.TypeDatetime) } - date.SetType(dateTp) return date, false, nil } @@ -3030,11 +3028,9 @@ func (du *baseDateArithmitical) vecGetDateFromDatetime(b *baseBuiltinFunc, input continue } - dateTp := mysql.TypeDate - if dates[i].Type() == mysql.TypeDatetime || dates[i].Type() == mysql.TypeTimestamp || isClockUnit { - dateTp = mysql.TypeDatetime + if isClockUnit { + dates[i].SetType(mysql.TypeDatetime) } - dates[i].SetType(dateTp) } return nil } diff --git a/expression/integration_test.go b/expression/integration_test.go index 617aab9ff23ba..2a86d240b9da6 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7722,6 +7722,15 @@ func (s *testIntegrationSerialSuite) TestClusteredIndexAndNewCollation(c *C) { tk.MustQuery("select * from t").Check(testkit.Rows("&")) } +func (s *testIntegrationSuite) TestIssue20860(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t(id int primary key, c int, d timestamp null default null)") + tk.MustExec("insert into t values(1, 2, '2038-01-18 20:20:30')") + c.Assert(tk.ExecToErr("update t set d = adddate(d, interval 1 day) where id < 10"), NotNil) +} + func (s *testIntegrationSerialSuite) TestIssue20608(c *C) { collate.SetNewCollationEnabledForTest(true) defer collate.SetNewCollationEnabledForTest(false) From 2c66371d8b7e92f631088ba3fab24d1476691002 Mon Sep 17 00:00:00 2001 From: Chengpeng Yan <41809508+Reminiscent@users.noreply.github.com> Date: Fri, 20 Nov 2020 20:43:23 +0800 Subject: [PATCH 0259/1021] planner, sessionctx : Add 'last_plan_from_binding' to help know whether sql's plan is matched with the hints in the binding (#18017) --- bindinfo/bind_test.go | 22 ++++++++++++++++++++++ executor/adapter.go | 2 ++ executor/executor.go | 2 ++ executor/set.go | 4 ++++ executor/slow_query.go | 8 ++++++++ executor/slow_query_test.go | 4 +++- infoschema/perfschema/const.go | 1 + infoschema/tables.go | 2 ++ infoschema/tables_test.go | 4 ++-- planner/optimize.go | 10 ++++++++++ sessionctx/variable/session.go | 13 +++++++++++++ sessionctx/variable/session_test.go | 2 ++ sessionctx/variable/sysvar.go | 1 + sessionctx/variable/tidb_vars.go | 4 ++++ sessionctx/variable/varsutil.go | 2 ++ sessionctx/variable/varsutil_test.go | 8 ++++++++ util/stmtsummary/statement_summary.go | 11 +++++++++++ util/stmtsummary/statement_summary_test.go | 2 +- 18 files changed, 98 insertions(+), 4 deletions(-) diff --git a/bindinfo/bind_test.go b/bindinfo/bind_test.go index 85f726cdfcafd..eace324b594d4 100644 --- a/bindinfo/bind_test.go +++ b/bindinfo/bind_test.go @@ -1605,3 +1605,25 @@ func (s *testSuite) TestBindingSource(c *C) { bind = bindData.Bindings[0] c.Assert(bind.Source, Equals, bindinfo.Capture) } + +func (s *testSuite) TestSPMHitInfo(c *C) { + tk := testkit.NewTestKit(c, s.store) + s.cleanBindingEnv(tk) + tk.MustExec("use test") + tk.MustExec("drop table if exists t1") + tk.MustExec("drop table if exists t2") + tk.MustExec("create table t1(id int)") + tk.MustExec("create table t2(id int)") + + c.Assert(tk.HasPlan("SELECT * from t1,t2 where t1.id = t2.id", "HashJoin"), IsTrue) + c.Assert(tk.HasPlan("SELECT /*+ TIDB_SMJ(t1, t2) */ * from t1,t2 where t1.id = t2.id", "MergeJoin"), IsTrue) + + tk.MustExec("SELECT * from t1,t2 where t1.id = t2.id") + tk.MustQuery(`select @@last_plan_from_binding;`).Check(testkit.Rows("0")) + tk.MustExec("create global binding for SELECT * from t1,t2 where t1.id = t2.id using SELECT /*+ TIDB_SMJ(t1, t2) */ * from t1,t2 where t1.id = t2.id") + + c.Assert(tk.HasPlan("SELECT * from t1,t2 where t1.id = t2.id", "MergeJoin"), IsTrue) + tk.MustExec("SELECT * from t1,t2 where t1.id = t2.id") + tk.MustQuery(`select @@last_plan_from_binding;`).Check(testkit.Rows("1")) + tk.MustExec("drop global binding for SELECT * from t1,t2 where t1.id = t2.id") +} diff --git a/executor/adapter.go b/executor/adapter.go index 4cf27e849d4d6..5ba8526bdaccf 100644 --- a/executor/adapter.go +++ b/executor/adapter.go @@ -918,6 +918,7 @@ func (a *ExecStmt) LogSlowQuery(txnTS uint64, succ bool, hasMoreResults bool) { Prepared: a.isPreparedStmt, HasMoreResults: hasMoreResults, PlanFromCache: sessVars.FoundInPlanCache, + PlanFromBinding: sessVars.FoundInBinding, RewriteInfo: sessVars.RewritePhaseInfo, KVTotal: time.Duration(atomic.LoadInt64(&stmtDetail.WaitKVRespDuration)), PDTotal: time.Duration(atomic.LoadInt64(&stmtDetail.WaitPDRespDuration)), @@ -1070,6 +1071,7 @@ func (a *ExecStmt) SummaryStmt(succ bool) { IsInternal: sessVars.InRestrictedSQL, Succeed: succ, PlanInCache: sessVars.FoundInPlanCache, + PlanInBinding: sessVars.FoundInBinding, ExecRetryCount: a.retryCount, StmtExecDetails: stmtDetail, Prepared: a.isPreparedStmt, diff --git a/executor/executor.go b/executor/executor.go index 8f211050cc251..fc56e123bfabd 100644 --- a/executor/executor.go +++ b/executor/executor.go @@ -1711,6 +1711,8 @@ func ResetContextOfStmt(ctx sessionctx.Context, s ast.StmtNode) (err error) { vars.PrevFoundInPlanCache = vars.FoundInPlanCache vars.FoundInPlanCache = false vars.ClearStmtVars() + vars.PrevFoundInBinding = vars.FoundInBinding + vars.FoundInBinding = false return } diff --git a/executor/set.go b/executor/set.go index d057bb0256ad7..f1944bc1e69db 100644 --- a/executor/set.go +++ b/executor/set.go @@ -184,6 +184,10 @@ func (e *SetExecutor) setSysVariable(name string, v *expression.VarAssignment) e sessionVars.StmtCtx.AppendWarning(fmt.Errorf("Set operation for '%s' will not take effect", variable.TiDBFoundInPlanCache)) return nil } + if name == variable.TiDBFoundInBinding { + sessionVars.StmtCtx.AppendWarning(fmt.Errorf("Set operation for '%s' will not take effect", variable.TiDBFoundInBinding)) + return nil + } err = variable.SetSessionSystemVar(sessionVars, name, value) if err != nil { return err diff --git a/executor/slow_query.go b/executor/slow_query.go index af01a339875aa..7350f8ff73bfa 100755 --- a/executor/slow_query.go +++ b/executor/slow_query.go @@ -484,6 +484,7 @@ type slowQueryTuple struct { isInternal bool succ bool planFromCache bool + planFromBinding bool prepared bool kvTotal float64 pdTotal float64 @@ -642,6 +643,8 @@ func (st *slowQueryTuple) setFieldValue(tz *time.Location, field, value string, st.succ, err = strconv.ParseBool(value) case variable.SlowLogPlanFromCache: st.planFromCache, err = strconv.ParseBool(value) + case variable.SlowLogPlanFromBinding: + st.planFromBinding, err = strconv.ParseBool(value) case variable.SlowLogPlan: st.plan = value case variable.SlowLogPlanDigest: @@ -756,6 +759,11 @@ func (st *slowQueryTuple) convertToDatumRow() []types.Datum { } else { record = append(record, types.NewIntDatum(0)) } + if st.planFromBinding { + record = append(record, types.NewIntDatum(1)) + } else { + record = append(record, types.NewIntDatum(0)) + } record = append(record, types.NewStringDatum(parsePlan(st.plan))) record = append(record, types.NewStringDatum(st.planDigest)) record = append(record, types.NewStringDatum(st.prevStmt)) diff --git a/executor/slow_query_test.go b/executor/slow_query_test.go index 44318e2ecc1c5..05e8b2d57566c 100644 --- a/executor/slow_query_test.go +++ b/executor/slow_query_test.go @@ -68,6 +68,7 @@ func (s *testExecSerialSuite) TestParseSlowLogPanic(c *C) { # Mem_max: 70724 # Disk_max: 65536 # Plan_from_cache: true +# Plan_from_binding: true # Succ: false # Plan_digest: 60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4 # Prev_stmt: update t set i = 1; @@ -107,6 +108,7 @@ func (s *testExecSuite) TestParseSlowLogFile(c *C) { # Mem_max: 70724 # Disk_max: 65536 # Plan_from_cache: true +# Plan_from_binding: true # Succ: false # Plan_digest: 60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4 # Prev_stmt: update t set i = 1; @@ -134,7 +136,7 @@ select * from t;` `0,0,0,0,0,0,0,0,0,0,0,0,,0,0,0,0,0,0,0.38,0.021,0,0,0,1,637,0,10,10,10,10,100,,,1,42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772,t1:1,t2:2,` + `0.1,0.2,0.03,127.0.0.1:20160,0.05,0.6,0.8,0.0.0.0:20160,70724,65536,0,0,0,0,` + `Cop_backoff_regionMiss_total_times: 200 Cop_backoff_regionMiss_total_time: 0.2 Cop_backoff_regionMiss_max_time: 0.2 Cop_backoff_regionMiss_max_addr: 127.0.0.1 Cop_backoff_regionMiss_avg_time: 0.2 Cop_backoff_regionMiss_p90_time: 0.2 Cop_backoff_rpcPD_total_times: 200 Cop_backoff_rpcPD_total_time: 0.2 Cop_backoff_rpcPD_max_time: 0.2 Cop_backoff_rpcPD_max_addr: 127.0.0.1 Cop_backoff_rpcPD_avg_time: 0.2 Cop_backoff_rpcPD_p90_time: 0.2 Cop_backoff_rpcTiKV_total_times: 200 Cop_backoff_rpcTiKV_total_time: 0.2 Cop_backoff_rpcTiKV_max_time: 0.2 Cop_backoff_rpcTiKV_max_addr: 127.0.0.1 Cop_backoff_rpcTiKV_avg_time: 0.2 Cop_backoff_rpcTiKV_p90_time: 0.2,` + - `0,0,1,,60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4,` + + `0,0,1,1,,60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4,` + `update t set i = 1;,select * from t;` c.Assert(expectRecordString, Equals, recordString) diff --git a/infoschema/perfschema/const.go b/infoschema/perfschema/const.go index 86a5f1766739f..157ce4c7ae7c9 100644 --- a/infoschema/perfschema/const.go +++ b/infoschema/perfschema/const.go @@ -415,6 +415,7 @@ const tableEventsStatementsSummaryByDigest = "CREATE TABLE if not exists perform "LAST_SEEN timestamp(6) NOT NULL DEFAULT '0000-00-00 00:00:00.000000'," + "PLAN_IN_CACHE bool NOT NULL," + "PLAN_CACHE_HITS bigint unsigned NOT NULL," + + "PLAN_IN_BINDING bool NOT NULL," + "QUANTILE_95 bigint unsigned NOT NULL," + "QUANTILE_99 bigint unsigned NOT NULL," + "QUANTILE_999 bigint unsigned NOT NULL," + diff --git a/infoschema/tables.go b/infoschema/tables.go index b9814e8d05361..4369469513d86 100644 --- a/infoschema/tables.go +++ b/infoschema/tables.go @@ -782,6 +782,7 @@ var slowQueryCols = []columnInfo{ {name: variable.SlowLogPrepared, tp: mysql.TypeTiny, size: 1}, {name: variable.SlowLogSucc, tp: mysql.TypeTiny, size: 1}, {name: variable.SlowLogPlanFromCache, tp: mysql.TypeTiny, size: 1}, + {name: variable.SlowLogPlanFromBinding, tp: mysql.TypeTiny, size: 1}, {name: variable.SlowLogPlan, tp: mysql.TypeLongBlob, size: types.UnspecifiedLength}, {name: variable.SlowLogPlanDigest, tp: mysql.TypeVarchar, size: 128}, {name: variable.SlowLogPrevStmt, tp: mysql.TypeLongBlob, size: types.UnspecifiedLength}, @@ -1156,6 +1157,7 @@ var tableStatementsSummaryCols = []columnInfo{ {name: "LAST_SEEN", tp: mysql.TypeTimestamp, size: 26, flag: mysql.NotNullFlag, comment: "The time these statements are seen for the last time"}, {name: "PLAN_IN_CACHE", tp: mysql.TypeTiny, size: 1, flag: mysql.NotNullFlag, comment: "Whether the last statement hit plan cache"}, {name: "PLAN_CACHE_HITS", tp: mysql.TypeLonglong, size: 20, flag: mysql.NotNullFlag, comment: "The number of times these statements hit plan cache"}, + {name: "PLAN_IN_BINDING", tp: mysql.TypeTiny, size: 1, flag: mysql.NotNullFlag, comment: "Whether the last statement is matched with the hints in the binding"}, {name: "QUERY_SAMPLE_TEXT", tp: mysql.TypeBlob, size: types.UnspecifiedLength, comment: "Sampled original statement"}, {name: "PREV_SAMPLE_TEXT", tp: mysql.TypeBlob, size: types.UnspecifiedLength, comment: "The previous statement before commit"}, {name: "PLAN_DIGEST", tp: mysql.TypeVarchar, size: 64, comment: "Digest of its execution plan"}, diff --git a/infoschema/tables_test.go b/infoschema/tables_test.go index 5d141d01cb03d..2bf6321ee9524 100644 --- a/infoschema/tables_test.go +++ b/infoschema/tables_test.go @@ -645,10 +645,10 @@ func (s *testTableSuite) TestSlowQuery(c *C) { tk.MustExec("set time_zone = '+08:00';") re := tk.MustQuery("select * from information_schema.slow_query") re.Check(testutil.RowsWithSep("|", - "2019-02-12 19:33:56.571953|406315658548871171|root|localhost|6|57|0.12|4.895492|0.4|0.2|0.000000003|2|0.000000002|0.00000001|0.000000003|0.19|0.21|0.01|0|0.18|[txnLock]|0.03|0|15|480|1|8|0.3824278|0.161|0.101|0.092|1.71|1|100001|100000|100|10|10|10|100|test||0|42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772|t1:1,t2:2|0.1|0.2|0.03|127.0.0.1:20160|0.05|0.6|0.8|0.0.0.0:20160|70724|65536|0|0|0|0||0|1|1|abcd|60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4|update t set i = 2;|select * from t_slim;")) + "2019-02-12 19:33:56.571953|406315658548871171|root|localhost|6|57|0.12|4.895492|0.4|0.2|0.000000003|2|0.000000002|0.00000001|0.000000003|0.19|0.21|0.01|0|0.18|[txnLock]|0.03|0|15|480|1|8|0.3824278|0.161|0.101|0.092|1.71|1|100001|100000|100|10|10|10|100|test||0|42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772|t1:1,t2:2|0.1|0.2|0.03|127.0.0.1:20160|0.05|0.6|0.8|0.0.0.0:20160|70724|65536|0|0|0|0||0|1|1|0|abcd|60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4|update t set i = 2;|select * from t_slim;")) tk.MustExec("set time_zone = '+00:00';") re = tk.MustQuery("select * from information_schema.slow_query") - re.Check(testutil.RowsWithSep("|", "2019-02-12 11:33:56.571953|406315658548871171|root|localhost|6|57|0.12|4.895492|0.4|0.2|0.000000003|2|0.000000002|0.00000001|0.000000003|0.19|0.21|0.01|0|0.18|[txnLock]|0.03|0|15|480|1|8|0.3824278|0.161|0.101|0.092|1.71|1|100001|100000|100|10|10|10|100|test||0|42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772|t1:1,t2:2|0.1|0.2|0.03|127.0.0.1:20160|0.05|0.6|0.8|0.0.0.0:20160|70724|65536|0|0|0|0||0|1|1|abcd|60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4|update t set i = 2;|select * from t_slim;")) + re.Check(testutil.RowsWithSep("|", "2019-02-12 11:33:56.571953|406315658548871171|root|localhost|6|57|0.12|4.895492|0.4|0.2|0.000000003|2|0.000000002|0.00000001|0.000000003|0.19|0.21|0.01|0|0.18|[txnLock]|0.03|0|15|480|1|8|0.3824278|0.161|0.101|0.092|1.71|1|100001|100000|100|10|10|10|100|test||0|42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772|t1:1,t2:2|0.1|0.2|0.03|127.0.0.1:20160|0.05|0.6|0.8|0.0.0.0:20160|70724|65536|0|0|0|0||0|1|1|0|abcd|60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4|update t set i = 2;|select * from t_slim;")) // Test for long query. f, err := os.OpenFile(slowLogFileName, os.O_CREATE|os.O_WRONLY, 0644) diff --git a/planner/optimize.go b/planner/optimize.go index c435033817154..26e9e6088bd4f 100644 --- a/planner/optimize.go +++ b/planner/optimize.go @@ -138,6 +138,10 @@ func Optimize(ctx context.Context, sctx sessionctx.Context, node ast.Node, is in sctx.GetSessionVars().StmtCtx.AppendWarning(errors.New("sql_select_limit is set, so plan binding is not activated")) return bestPlan, names, nil } + err = setFoundInBinding(sctx, true) + if err != nil { + return nil, nil, err + } bestPlanHint := plannercore.GenHintsFromPhysicalPlan(bestPlan) if len(bindRecord.Bindings) > 0 { orgBinding := bindRecord.Bindings[0] // the first is the original binding @@ -541,6 +545,12 @@ func handleStmtHints(hints []*ast.TableOptimizerHint) (stmtHints stmtctx.StmtHin return } +func setFoundInBinding(sctx sessionctx.Context, opt bool) error { + vars := sctx.GetSessionVars() + err := vars.SetSystemVar(variable.TiDBFoundInBinding, variable.BoolToOnOff(opt)) + return err +} + func init() { plannercore.OptimizeAstNode = Optimize } diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 8f87e01ccc439..027e977955278 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -722,6 +722,11 @@ type SessionVars struct { // PrevFoundInPlanCache indicates whether the last statement was found in plan cache. PrevFoundInPlanCache bool + // FoundInBinding indicates whether the execution plan is matched with the hints in the binding. + FoundInBinding bool + // PrevFoundInBinding indicates whether the last execution plan is matched with the hints in the binding. + PrevFoundInBinding bool + // OptimizerUseInvisibleIndexes indicates whether optimizer can use invisible index OptimizerUseInvisibleIndexes bool @@ -881,6 +886,8 @@ func NewSessionVars() *SessionVars { WindowingUseHighPrecision: true, PrevFoundInPlanCache: DefTiDBFoundInPlanCache, FoundInPlanCache: DefTiDBFoundInPlanCache, + PrevFoundInBinding: DefTiDBFoundInBinding, + FoundInBinding: DefTiDBFoundInBinding, SelectLimit: math.MaxUint64, AllowAutoRandExplicitInsert: DefTiDBAllowAutoRandExplicitInsert, EnableClusteredIndex: DefTiDBEnableClusteredIndex, @@ -1555,6 +1562,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { config.GetGlobalConfig().CheckMb4ValueInUTF8 = TiDBOptOn(val) case TiDBFoundInPlanCache: s.FoundInPlanCache = TiDBOptOn(val) + case TiDBFoundInBinding: + s.FoundInBinding = TiDBOptOn(val) case TiDBEnableCollectExecutionInfo: config.GetGlobalConfig().EnableCollectExecutionInfo = TiDBOptOn(val) case SQLSelectLimit: @@ -1983,6 +1992,8 @@ const ( SlowLogPrepared = "Prepared" // SlowLogPlanFromCache is used to indicate whether this plan is from plan cache. SlowLogPlanFromCache = "Plan_from_cache" + // SlowLogPlanFromBinding is used to indicate whether this plan is matched with the hints in the binding. + SlowLogPlanFromBinding = "Plan_from_binding" // SlowLogHasMoreResults is used to indicate whether this sql has more following results. SlowLogHasMoreResults = "Has_more_results" // SlowLogSucc is used to indicate whether this sql execute successfully. @@ -2035,6 +2046,7 @@ type SlowQueryLogItems struct { Succ bool Prepared bool PlanFromCache bool + PlanFromBinding bool HasMoreResults bool PrevStmt string Plan string @@ -2202,6 +2214,7 @@ func (s *SessionVars) SlowLogFormat(logItems *SlowQueryLogItems) string { writeSlowLogItem(&buf, SlowLogPrepared, strconv.FormatBool(logItems.Prepared)) writeSlowLogItem(&buf, SlowLogPlanFromCache, strconv.FormatBool(logItems.PlanFromCache)) + writeSlowLogItem(&buf, SlowLogPlanFromBinding, strconv.FormatBool(logItems.PlanFromBinding)) writeSlowLogItem(&buf, SlowLogHasMoreResults, strconv.FormatBool(logItems.HasMoreResults)) writeSlowLogItem(&buf, SlowLogKVTotal, strconv.FormatFloat(logItems.KVTotal.Seconds(), 'f', -1, 64)) writeSlowLogItem(&buf, SlowLogPDTotal, strconv.FormatFloat(logItems.PDTotal.Seconds(), 'f', -1, 64)) diff --git a/sessionctx/variable/session_test.go b/sessionctx/variable/session_test.go index eb12f6d6b9e1d..504fdf7c6c5d1 100644 --- a/sessionctx/variable/session_test.go +++ b/sessionctx/variable/session_test.go @@ -203,6 +203,7 @@ func (*testSessionSuite) TestSlowLogFormat(c *C) { # Disk_max: 6666 # Prepared: true # Plan_from_cache: true +# Plan_from_binding: true # Has_more_results: true # KV_total: 10 # PD_total: 11 @@ -228,6 +229,7 @@ func (*testSessionSuite) TestSlowLogFormat(c *C) { DiskMax: diskMax, Prepared: true, PlanFromCache: true, + PlanFromBinding: true, HasMoreResults: true, KVTotal: 10 * time.Second, PDTotal: 11 * time.Second, diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index ec73d5e6c6473..108e4bca62ed8 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1098,6 +1098,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TiDBQueryLogMaxLen, Value: strconv.Itoa(logutil.DefaultQueryLogMaxLen), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TiDBCheckMb4ValueInUTF8, Value: BoolToOnOff(config.GetGlobalConfig().CheckMb4ValueInUTF8), Type: TypeBool}, {Scope: ScopeSession, Name: TiDBFoundInPlanCache, Value: BoolToOnOff(DefTiDBFoundInPlanCache), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBFoundInBinding, Value: BoolToOnOff(DefTiDBFoundInBinding), Type: TypeBool}, {Scope: ScopeSession, Name: TiDBEnableCollectExecutionInfo, Value: BoolToOnOff(DefTiDBEnableCollectExecutionInfo), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowAutoRandExplicitInsert, Value: BoolToOnOff(DefTiDBAllowAutoRandExplicitInsert), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableClusteredIndex, Value: BoolToOnOff(DefTiDBEnableClusteredIndex), Type: TypeBool}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index cb64a34d6fb50..cc394c27dcaec 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -180,6 +180,9 @@ const ( // TiDBFoundInPlanCache indicates whether the last statement was found in plan cache TiDBFoundInPlanCache = "last_plan_from_cache" + // TiDBFoundInBinding indicates whether the last statement was matched with the hints in the binding. + TiDBFoundInBinding = "last_plan_from_binding" + // TiDBAllowAutoRandExplicitInsert indicates whether explicit insertion on auto_random column is allowed. TiDBAllowAutoRandExplicitInsert = "allow_auto_random_explicit_insert" @@ -568,6 +571,7 @@ const ( DefTiDBMetricSchemaStep = 60 // 60s DefTiDBMetricSchemaRangeDuration = 60 // 60s DefTiDBFoundInPlanCache = false + DefTiDBFoundInBinding = false DefTiDBEnableCollectExecutionInfo = true DefTiDBAllowAutoRandExplicitInsert = false DefTiDBEnableClusteredIndex = false diff --git a/sessionctx/variable/varsutil.go b/sessionctx/variable/varsutil.go index d8642ea366fc0..bbe33b7215189 100644 --- a/sessionctx/variable/varsutil.go +++ b/sessionctx/variable/varsutil.go @@ -157,6 +157,8 @@ func GetSessionOnlySysVars(s *SessionVars, key string) (string, bool, error) { return CapturePlanBaseline.GetVal(), true, nil case TiDBFoundInPlanCache: return BoolToOnOff(s.PrevFoundInPlanCache), true, nil + case TiDBFoundInBinding: + return BoolToOnOff(s.PrevFoundInBinding), true, nil case TiDBEnableCollectExecutionInfo: return BoolToOnOff(config.GetGlobalConfig().EnableCollectExecutionInfo), true, nil } diff --git a/sessionctx/variable/varsutil_test.go b/sessionctx/variable/varsutil_test.go index b458d0787d74d..cfc7dda7b210b 100644 --- a/sessionctx/variable/varsutil_test.go +++ b/sessionctx/variable/varsutil_test.go @@ -99,6 +99,7 @@ func (s *testVarsutilSuite) TestNewSessionVars(c *C) { c.Assert(vars.TiDBOptJoinReorderThreshold, Equals, DefTiDBOptJoinReorderThreshold) c.Assert(vars.EnableFastAnalyze, Equals, DefTiDBUseFastAnalyze) c.Assert(vars.FoundInPlanCache, Equals, DefTiDBFoundInPlanCache) + c.Assert(vars.FoundInBinding, Equals, DefTiDBFoundInBinding) c.Assert(vars.AllowAutoRandExplicitInsert, Equals, DefTiDBAllowAutoRandExplicitInsert) c.Assert(vars.ShardAllocateStep, Equals, int64(DefTiDBShardAllocateStep)) c.Assert(vars.EnableChangeColumnType, Equals, DefTiDBChangeColumnType) @@ -469,6 +470,13 @@ func (s *testVarsutilSuite) TestVarsutil(c *C) { c.Assert(val, Equals, "OFF") c.Assert(v.systems[TiDBFoundInPlanCache], Equals, "ON") + err = SetSessionSystemVar(v, TiDBFoundInBinding, types.NewStringDatum("1")) + c.Assert(err, IsNil) + val, err = GetSessionSystemVar(v, TiDBFoundInBinding) + c.Assert(err, IsNil) + c.Assert(val, Equals, "OFF") + c.Assert(v.systems[TiDBFoundInBinding], Equals, "ON") + err = SetSessionSystemVar(v, TiDBEnableChangeColumnType, types.NewStringDatum("ON")) c.Assert(err, IsNil) val, err = GetSessionSystemVar(v, TiDBEnableChangeColumnType) diff --git a/util/stmtsummary/statement_summary.go b/util/stmtsummary/statement_summary.go index 1e73359f6048e..f95f4f0fe8a86 100644 --- a/util/stmtsummary/statement_summary.go +++ b/util/stmtsummary/statement_summary.go @@ -190,6 +190,7 @@ type stmtSummaryByDigestElement struct { // plan cache planInCache bool planCacheHits int64 + planInBinding bool // pessimistic execution retry information. execRetryCount uint execRetryTime time.Duration @@ -219,6 +220,7 @@ type StmtExecInfo struct { IsInternal bool Succeed bool PlanInCache bool + PlanInBinding bool ExecRetryCount uint ExecRetryTime time.Duration execdetails.StmtExecDetails @@ -608,6 +610,7 @@ func newStmtSummaryByDigestElement(sei *StmtExecInfo, beginTime int64, intervalS authUsers: make(map[string]struct{}), planInCache: false, planCacheHits: 0, + planInBinding: false, prepared: sei.Prepared, } ssElement.add(sei, intervalSeconds) @@ -786,6 +789,13 @@ func (ssElement *stmtSummaryByDigestElement) add(sei *StmtExecInfo, intervalSeco ssElement.planInCache = false } + // SPM + if sei.PlanInBinding { + ssElement.planInBinding = true + } else { + ssElement.planInBinding = false + } + // other ssElement.sumAffectedRows += sei.StmtCtx.AffectedRows() ssElement.sumMem += sei.MemMax @@ -913,6 +923,7 @@ func (ssElement *stmtSummaryByDigestElement) toDatum(ssbd *stmtSummaryByDigest) types.NewTime(types.FromGoTime(ssElement.lastSeen), mysql.TypeTimestamp, 0), ssElement.planInCache, ssElement.planCacheHits, + ssElement.planInBinding, ssElement.sampleSQL, ssElement.prevSQL, ssbd.planDigest, diff --git a/util/stmtsummary/statement_summary_test.go b/util/stmtsummary/statement_summary_test.go index c20b77bcbd072..c71099c9617b4 100644 --- a/util/stmtsummary/statement_summary_test.go +++ b/util/stmtsummary/statement_summary_test.go @@ -641,7 +641,7 @@ func (s *testStmtSummarySuite) TestToDatum(c *C) { stmtExecInfo1.ExecDetail.CommitDetail.TxnRetry, stmtExecInfo1.ExecDetail.CommitDetail.TxnRetry, 0, 0, 1, "txnLock:1", stmtExecInfo1.MemMax, stmtExecInfo1.MemMax, stmtExecInfo1.DiskMax, stmtExecInfo1.DiskMax, 0, 0, 0, 0, 0, stmtExecInfo1.StmtCtx.AffectedRows(), - t, t, 0, 0, stmtExecInfo1.OriginalSQL, stmtExecInfo1.PrevSQL, "plan_digest", ""} + t, t, 0, 0, 0, stmtExecInfo1.OriginalSQL, stmtExecInfo1.PrevSQL, "plan_digest", ""} match(c, datums[0], expectedDatum...) datums = s.ssMap.ToHistoryDatum(nil, true) c.Assert(len(datums), Equals, 1) From fbaab3ecb60ad0524c22d3fb5532ebc00bc19d91 Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Sat, 21 Nov 2020 09:53:53 +0800 Subject: [PATCH 0260/1021] ddl, planner: make partition table consider collation in create table and select sentence (#20937) --- ddl/db_partition_test.go | 24 +++++++++++- ddl/ddl_api.go | 16 ++++++-- ddl/partition.go | 5 --- planner/core/partition_pruning_test.go | 49 +++++++++++++++++++++++- planner/core/rule_partition_processor.go | 7 ++-- 5 files changed, 88 insertions(+), 13 deletions(-) diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index d9e325e931c25..50a9d9c7a1758 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -43,6 +43,7 @@ import ( "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/admin" + "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/mock" "github.com/pingcap/tidb/util/testkit" ) @@ -355,7 +356,9 @@ func (s *testIntegrationSuite2) TestCreateTableWithHashPartition(c *C) { tk.MustExec("create table t2 (a date, b datetime) partition by hash (EXTRACT(YEAR_MONTH FROM a)) partitions 7") } -func (s *testIntegrationSuite1) TestCreateTableWithRangeColumnPartition(c *C) { +func (s *testIntegrationSuite7) TestCreateTableWithRangeColumnPartition(c *C) { + collate.SetNewCollationEnabledForTest(true) + defer collate.SetNewCollationEnabledForTest(false) tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") tk.MustExec("drop table if exists log_message_1;") @@ -476,6 +479,13 @@ create table log_message_1 ( "PARTITION p1 VALUES LESS THAN (20190906));", ddl.ErrWrongTypeColumnValue, }, + { + "create table t(a char(10) collate utf8mb4_bin) " + + "partition by range columns (a) (" + + "partition p0 values less than ('a'), " + + "partition p1 values less than ('G'));", + ddl.ErrRangeNotIncreasing, + }, } for i, t := range cases { _, err := tk.Exec(t.sql) @@ -485,13 +495,25 @@ create table log_message_1 ( )) } + tk.MustExec("drop table if exists t1;") tk.MustExec("create table t1 (a int, b char(3)) partition by range columns (a, b) (" + "partition p0 values less than (1, 'a')," + "partition p1 values less than (2, maxvalue))") + tk.MustExec("drop table if exists t2;") tk.MustExec("create table t2 (a int, b char(3)) partition by range columns (b) (" + "partition p0 values less than ( 'a')," + "partition p1 values less than (maxvalue))") + + tk.MustExec("drop table if exists t;") + tk.MustExec(`create table t(a char(10) collate utf8mb4_unicode_ci) partition by range columns (a) ( + partition p0 values less than ('a'), + partition p1 values less than ('G'));`) + + tk.MustExec("drop table if exists t;") + tk.MustExec(`create table t(a int) partition by range columns (a) ( + partition p0 values less than (10), + partition p1 values less than (20));`) } func (s *testIntegrationSuite1) TestCreateTableWithListPartition(c *C) { diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 74a53702eb7f8..4c052655e3bb5 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -2121,7 +2121,8 @@ func checkTwoRangeColumns(ctx sessionctx.Context, curr, prev *model.PartitionDef // PARTITION p0 VALUES LESS THAN (5,10,'ggg') // PARTITION p1 VALUES LESS THAN (10,20,'mmm') // PARTITION p2 VALUES LESS THAN (15,30,'sss') - succ, err := parseAndEvalBoolExpr(ctx, fmt.Sprintf("(%s) > (%s)", curr.LessThan[i], prev.LessThan[i]), tbInfo) + colInfo := findColumnByName(pi.Columns[i].L, tbInfo) + succ, err := parseAndEvalBoolExpr(ctx, curr.LessThan[i], prev.LessThan[i], colInfo, tbInfo) if err != nil { return false, err } @@ -2133,11 +2134,20 @@ func checkTwoRangeColumns(ctx sessionctx.Context, curr, prev *model.PartitionDef return false, nil } -func parseAndEvalBoolExpr(ctx sessionctx.Context, expr string, tbInfo *model.TableInfo) (bool, error) { - e, err := expression.ParseSimpleExprWithTableInfo(ctx, expr, tbInfo) +func parseAndEvalBoolExpr(ctx sessionctx.Context, l, r string, colInfo *model.ColumnInfo, tbInfo *model.TableInfo) (bool, error) { + lexpr, err := expression.ParseSimpleExprWithTableInfo(ctx, l, tbInfo) if err != nil { return false, err } + rexpr, err := expression.ParseSimpleExprWithTableInfo(ctx, r, tbInfo) + if err != nil { + return false, err + } + e, err := expression.NewFunctionBase(ctx, ast.GT, types.NewFieldType(mysql.TypeLonglong), lexpr, rexpr) + if err != nil { + return false, err + } + e.SetCharsetAndCollation(colInfo.Charset, colInfo.Collate) res, _, err1 := e.EvalInt(ctx, chunk.Row{}) if err1 != nil { return false, err1 diff --git a/ddl/partition.go b/ddl/partition.go index 1cee88f34aee7..2516c007c955b 100644 --- a/ddl/partition.go +++ b/ddl/partition.go @@ -327,11 +327,6 @@ func buildTablePartitionInfo(ctx sessionctx.Context, s *ast.CreateTableStmt) (*m } pi.Expr = buf.String() } else if s.Partition.ColumnNames != nil { - // TODO: Support multiple columns for 'PARTITION BY RANGE COLUMNS'. - if s.Partition.Tp == model.PartitionTypeRange && len(s.Partition.ColumnNames) != 1 { - pi.Enable = false - ctx.GetSessionVars().StmtCtx.AppendWarning(ErrUnsupportedPartitionByRangeColumns) - } pi.Columns = make([]model.CIStr, 0, len(s.Partition.ColumnNames)) for _, cn := range s.Partition.ColumnNames { pi.Columns = append(pi.Columns, cn.Name) diff --git a/planner/core/partition_pruning_test.go b/planner/core/partition_pruning_test.go index 19fce4c99e9ef..3e7f3fae593b5 100644 --- a/planner/core/partition_pruning_test.go +++ b/planner/core/partition_pruning_test.go @@ -21,10 +21,11 @@ import ( "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/types" + "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/mock" ) -var _ = Suite(&testPartitionPruningSuite{}) +var _ = SerialSuites(&testPartitionPruningSuite{}) type testPartitionPruningSuite struct { partitionProcessor @@ -315,6 +316,52 @@ func (s *testPartitionPruningSuite) TestPartitionRangePrunner2VarChar(c *C) { } } +func (s *testPartitionPruningSuite) TestPartitionRangePrunner2CharWithCollation(c *C) { + collate.SetNewCollationEnabledForTest(true) + defer collate.SetNewCollationEnabledForTest(false) + tc := prepareTestCtx(c, + "create table t (a char(32) collate utf8mb4_unicode_ci)", + "a", + ) + lessThanDataInt := []string{"'c'", "'F'", "'h'", "'L'", "'t'"} + lessThan := make([]expression.Expression, len(lessThanDataInt)+1) // +1 for maxvalue + for i, str := range lessThanDataInt { + tmp, err := expression.ParseSimpleExprsWithNames(tc.sctx, str, tc.schema, tc.names) + c.Assert(err, IsNil) + lessThan[i] = tmp[0] + } + + prunner := &rangeColumnsPruner{lessThan, tc.columns[0], true} + cases := []struct { + input string + result partitionRangeOR + }{ + {"a > 'G'", partitionRangeOR{{2, 6}}}, + {"a > 'g'", partitionRangeOR{{2, 6}}}, + {"a < 'h'", partitionRangeOR{{0, 3}}}, + {"a >= 'M'", partitionRangeOR{{4, 6}}}, + {"a > 'm'", partitionRangeOR{{4, 6}}}, + {"a < 'F'", partitionRangeOR{{0, 2}}}, + {"a = 'C'", partitionRangeOR{{1, 2}}}, + {"a > 't'", partitionRangeOR{{5, 6}}}, + {"a > 'C' and a < 'q'", partitionRangeOR{{1, 5}}}, + {"a > 'c' and a < 'Q'", partitionRangeOR{{1, 5}}}, + {"a < 'l' or a >= 'W'", partitionRangeOR{{0, 4}, {5, 6}}}, + {"a is null", partitionRangeOR{{0, 1}}}, + {"'Mm' > a", partitionRangeOR{{0, 5}}}, + {"'f' <= a", partitionRangeOR{{2, 6}}}, + {"'f' >= a", partitionRangeOR{{0, 3}}}, + } + + for _, ca := range cases { + expr, err := expression.ParseSimpleExprsWithNames(tc.sctx, ca.input, tc.schema, tc.names) + c.Assert(err, IsNil) + result := fullRange(len(lessThan)) + result = partitionRangeForExpr(tc.sctx, expr[0], prunner, result) + c.Assert(equalPartitionRangeOR(ca.result, result), IsTrue, Commentf("unexpected:", ca.input)) + } +} + func (s *testPartitionPruningSuite) TestPartitionRangePrunner2Date(c *C) { tc := prepareTestCtx(c, "create table t (a date)", diff --git a/planner/core/rule_partition_processor.go b/planner/core/rule_partition_processor.go index 3d869de56af7e..bbe9d22e88d45 100644 --- a/planner/core/rule_partition_processor.go +++ b/planner/core/rule_partition_processor.go @@ -1155,11 +1155,11 @@ func (p *rangeColumnsPruner) partitionRangeForExpr(sctx sessionctx.Context, expr return 0, len(p.data), false } - start, end := p.pruneUseBinarySearch(sctx, opName, con) + start, end := p.pruneUseBinarySearch(sctx, opName, con, op) return start, end, true } -func (p *rangeColumnsPruner) pruneUseBinarySearch(sctx sessionctx.Context, op string, data *expression.Constant) (start int, end int) { +func (p *rangeColumnsPruner) pruneUseBinarySearch(sctx sessionctx.Context, op string, data *expression.Constant, f *expression.ScalarFunction) (start int, end int) { var err error var isNull bool compare := func(ith int, op string, v *expression.Constant) bool { @@ -1169,7 +1169,8 @@ func (p *rangeColumnsPruner) pruneUseBinarySearch(sctx sessionctx.Context, op st } } var expr expression.Expression - expr, err = expression.NewFunction(sctx, op, types.NewFieldType(mysql.TypeLonglong), p.data[ith], v) + expr, err = expression.NewFunctionBase(sctx, op, types.NewFieldType(mysql.TypeLonglong), p.data[ith], v) + expr.SetCharsetAndCollation(f.CharsetAndCollation(sctx)) var val int64 val, isNull, err = expr.EvalInt(sctx, chunk.Row{}) return val > 0 From 93c3e6becd5929cc37901d78d1f679cbc5d86342 Mon Sep 17 00:00:00 2001 From: wjHuang Date: Sat, 21 Nov 2020 21:07:54 +0800 Subject: [PATCH 0261/1021] *: fix default decimal precision (#21162) --- ddl/column_test.go | 2 +- executor/seqtest/seq_executor_test.go | 2 +- expression/typeinfer_test.go | 4 ++-- go.mod | 2 +- go.sum | 5 +++-- 5 files changed, 8 insertions(+), 7 deletions(-) diff --git a/ddl/column_test.go b/ddl/column_test.go index 6dc9125208175..d94559eeaac2e 100644 --- a/ddl/column_test.go +++ b/ddl/column_test.go @@ -1163,7 +1163,7 @@ func (s *testColumnSuite) TestModifyColumn(c *C) { {"decimal(2,1)", "decimal(2,2)", errUnsupportedModifyColumn.GenWithStackByArgs("decimal change from decimal(2, 1) to decimal(2, 2), and tidb_enable_change_column_type is false")}, {"decimal(2,1)", "decimal(2,1)", nil}, {"decimal(2,1)", "int", errUnsupportedModifyColumn.GenWithStackByArgs("type int(11) not match origin decimal(2,1), and tidb_enable_change_column_type is false")}, - {"decimal", "int", errUnsupportedModifyColumn.GenWithStackByArgs("type int(11) not match origin decimal(11,0), and tidb_enable_change_column_type is false")}, + {"decimal", "int", errUnsupportedModifyColumn.GenWithStackByArgs("type int(11) not match origin decimal(10,0), and tidb_enable_change_column_type is false")}, {"decimal(2,1)", "bigint", errUnsupportedModifyColumn.GenWithStackByArgs("type bigint(20) not match origin decimal(2,1), and tidb_enable_change_column_type is false")}, } for _, tt := range tests { diff --git a/executor/seqtest/seq_executor_test.go b/executor/seqtest/seq_executor_test.go index 0012890d60ae7..46227cc8b9f01 100644 --- a/executor/seqtest/seq_executor_test.go +++ b/executor/seqtest/seq_executor_test.go @@ -256,7 +256,7 @@ func (s *seqTestSuite) TestShow(c *C) { row = result.Rows()[0] expectedRow = []interface{}{ "decimalschema", "CREATE TABLE `decimalschema` (\n" + - " `c1` decimal(11,0) DEFAULT NULL\n" + + " `c1` decimal(10,0) DEFAULT NULL\n" + ") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin"} for i, r := range row { c.Check(r, Equals, expectedRow[i]) diff --git a/expression/typeinfer_test.go b/expression/typeinfer_test.go index ea82d891d07b7..ad6ed348ca37c 100644 --- a/expression/typeinfer_test.go +++ b/expression/typeinfer_test.go @@ -213,8 +213,8 @@ func (s *testInferTypeSuite) createTestCase4Columns() []typeInferTestCase { {"c_udouble_d ", mysql.TypeDouble, charset.CharsetBin, mysql.UnsignedFlag, 22, types.UnspecifiedLength}, {"c_decimal ", mysql.TypeNewDecimal, charset.CharsetBin, 0, 6, 3}, // TODO: Flen should be 8 {"c_udecimal ", mysql.TypeNewDecimal, charset.CharsetBin, mysql.UnsignedFlag, 10, 3}, // TODO: Flen should be 11 - {"c_decimal_d ", mysql.TypeNewDecimal, charset.CharsetBin, 0, 11, 0}, - {"c_udecimal_d ", mysql.TypeNewDecimal, charset.CharsetBin, mysql.UnsignedFlag, 11, 0}, // TODO: Flen should be 10 + {"c_decimal_d ", mysql.TypeNewDecimal, charset.CharsetBin, 0, 10, 0}, + {"c_udecimal_d ", mysql.TypeNewDecimal, charset.CharsetBin, mysql.UnsignedFlag, 10, 0}, {"c_datetime ", mysql.TypeDatetime, charset.CharsetBin, mysql.BinaryFlag, 22, 2}, {"c_datetime_d ", mysql.TypeDatetime, charset.CharsetBin, mysql.BinaryFlag, 19, 0}, {"c_time ", mysql.TypeDuration, charset.CharsetBin, mysql.BinaryFlag, 14, 3}, diff --git a/go.mod b/go.mod index f1cfacedb197b..ad91a59651c1f 100644 --- a/go.mod +++ b/go.mod @@ -47,7 +47,7 @@ require ( github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20201113092725-08f2872278eb github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 - github.com/pingcap/parser v0.0.0-20201112105242-773b8b74f44e + github.com/pingcap/parser v0.0.0-20201120034941-782dfa0a1a9a github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 github.com/pingcap/tidb-lightning v4.0.9-0.20201106041742-a1ac97827a27+incompatible github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible diff --git a/go.sum b/go.sum index 64518f6aaa5f1..1277041d64f9f 100644 --- a/go.sum +++ b/go.sum @@ -687,8 +687,8 @@ github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 h1:M+DNpOu/I3uDmwee6vc github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/parser v0.0.0-20190506092653-e336082eb825/go.mod h1:1FNvfp9+J0wvc4kl8eGNh7Rqrxveg15jJoWo/a0uHwA= github.com/pingcap/parser v0.0.0-20200422082501-7329d80eaf2c/go.mod h1:9v0Edh8IbgjGYW2ArJr19E+bvL8zKahsFp+ixWeId+4= -github.com/pingcap/parser v0.0.0-20201112105242-773b8b74f44e h1:TCSZlqvNP2Ipt0xUwZ5Z6ehmKo1dlk5KCU1SOLXUYL4= -github.com/pingcap/parser v0.0.0-20201112105242-773b8b74f44e/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= +github.com/pingcap/parser v0.0.0-20201120034941-782dfa0a1a9a h1:MREHQ6dB0SPl1blLeUJjypLbm4Pcvk3wJTyVCa/S3oE= +github.com/pingcap/parser v0.0.0-20201120034941-782dfa0a1a9a/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= github.com/pingcap/pd v2.1.5+incompatible/go.mod h1:nD3+EoYes4+aNNODO99ES59V83MZSI+dFbhyr667a0E= github.com/pingcap/pd/v4 v4.0.0-rc.1.0.20200422143320-428acd53eba2/go.mod h1:s+utZtXDznOiL24VK0qGmtoHjjXNsscJx3m1n8cC56s= github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= @@ -774,6 +774,7 @@ github.com/satori/go.uuid v1.2.1-0.20181028125025-b2ce2384e17b/go.mod h1:dA0hQrY github.com/segmentio/kafka-go v0.1.0/go.mod h1:X6itGqS9L4jDletMsxZ7Dz+JFWxM6JHfPOCvTvk+EJo= github.com/segmentio/kafka-go v0.2.0/go.mod h1:X6itGqS9L4jDletMsxZ7Dz+JFWxM6JHfPOCvTvk+EJo= github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= +github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44 h1:tB9NOR21++IjLyVx3/PCPhWMwqGNCMQEH96A6dMZ/gc= github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= github.com/shirou/gopsutil v2.19.10+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA= github.com/shirou/gopsutil v2.20.3+incompatible h1:0JVooMPsT7A7HqEYdydp/OfjSOYSjhXV7w1hkKj/NPQ= From 6910eae2a1d972304331831497d68eefe8afef28 Mon Sep 17 00:00:00 2001 From: Sev7ndayyo <47801637+sev7ndayyoo@users.noreply.github.com> Date: Mon, 23 Nov 2020 13:49:56 +0800 Subject: [PATCH 0262/1021] executor: load data statement shoule not be prepared (#21188) --- errors.toml | 5 +++++ executor/errors.go | 1 + executor/executor_test.go | 5 +++++ executor/prepared.go | 4 ++++ 4 files changed, 15 insertions(+) diff --git a/errors.toml b/errors.toml index cef0539d0ae67..f756d02f8c80d 100644 --- a/errors.toml +++ b/errors.toml @@ -476,6 +476,11 @@ error = ''' Deadlock found when trying to get lock; try restarting transaction ''' +["executor:1295"] +error = ''' +This command is not supported in the prepared statement protocol yet +''' + ["executor:1317"] error = ''' Query execution was interrupted diff --git a/executor/errors.go b/executor/errors.go index 5e762ace73a08..d648b56b81c81 100644 --- a/executor/errors.go +++ b/executor/errors.go @@ -27,6 +27,7 @@ var ( ErrResultIsEmpty = dbterror.ClassExecutor.NewStd(mysql.ErrResultIsEmpty) ErrBuildExecutor = dbterror.ClassExecutor.NewStd(mysql.ErrBuildExecutor) ErrBatchInsertFail = dbterror.ClassExecutor.NewStd(mysql.ErrBatchInsertFail) + ErrUnsupportedPs = dbterror.ClassExecutor.NewStd(mysql.ErrUnsupportedPs) ErrCantCreateUserWithGrant = dbterror.ClassExecutor.NewStd(mysql.ErrCantCreateUserWithGrant) ErrPasswordNoMatch = dbterror.ClassExecutor.NewStd(mysql.ErrPasswordNoMatch) diff --git a/executor/executor_test.go b/executor/executor_test.go index a6036bfb07952..79a3ffeee89b7 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -5933,6 +5933,11 @@ func (s *testClusterTableSuite) TearDownSuite(c *C) { s.testSuiteWithCliBase.TearDownSuite(c) } +func (s *testSuiteP1) TestPrepareLoadData(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustGetErrCode(`prepare stmt from "load data local infile '/tmp/load_data_test.csv' into table test";`, mysql.ErrUnsupportedPs) +} + func (s *testClusterTableSuite) TestSlowQuery(c *C) { writeFile := func(file string, data string) { f, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0644) diff --git a/executor/prepared.go b/executor/prepared.go index 82020fa42e8cd..cea8df2f64cda 100644 --- a/executor/prepared.go +++ b/executor/prepared.go @@ -147,6 +147,10 @@ func (e *PrepareExec) Next(ctx context.Context, req *chunk.Chunk) error { return ErrPrepareDDL } + if _, ok := stmt.(*ast.LoadDataStmt); ok { + return ErrUnsupportedPs + } + // Prepare parameters should NOT over 2 bytes(MaxUint16) // https://dev.mysql.com/doc/internals/en/com-stmt-prepare-response.html#packet-COM_STMT_PREPARE_OK. if len(extractor.markers) > math.MaxUint16 { From b085cad80c3196beb470718d38594a161be3bae8 Mon Sep 17 00:00:00 2001 From: Song Gao Date: Mon, 23 Nov 2020 14:06:24 +0800 Subject: [PATCH 0263/1021] ddl, infoschema: Support aborting the transaction when the placement rules are changed (#21116) --- ddl/placement_sql_test.go | 55 +++++++++++++++++++++++++++++++++++++++ infoschema/builder.go | 4 +-- 2 files changed, 57 insertions(+), 2 deletions(-) diff --git a/ddl/placement_sql_test.go b/ddl/placement_sql_test.go index 83c79cb203d2c..fec8b23155370 100644 --- a/ddl/placement_sql_test.go +++ b/ddl/placement_sql_test.go @@ -468,3 +468,58 @@ PARTITION BY RANGE (c) ( } } } + +func (s *testDBSuite1) TestAbortTxnIfPlacementChanged(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists tp1") + defer tk.MustExec("drop table if exists tp1") + + tk.MustExec(`create table tp1 (c int) +PARTITION BY RANGE (c) ( + PARTITION p0 VALUES LESS THAN (6), + PARTITION p1 VALUES LESS THAN (11) +);`) + se1, err := session.CreateSession(s.store) + c.Assert(err, IsNil) + tk1 := testkit.NewTestKitWithSession(c, s.store, se1) + tk1.MustExec("use test") + _, err = tk.Exec(`alter table tp1 alter partition p0 +add placement policy + constraints='["+ zone = sh "]' + role=leader + replicas=1;`) + c.Assert(err, IsNil) + // modify p0 when alter p0 placement policy, the txn should be failed + _, err = tk.Exec("begin;") + c.Assert(err, IsNil) + _, err = tk1.Exec(`alter table tp1 alter partition p0 +add placement policy + constraints='["+ zone = sh "]' + role=follower + replicas=3;`) + c.Assert(err, IsNil) + _, err = tk.Exec("insert into tp1 (c) values (1);") + c.Assert(err, IsNil) + _, err = tk.Exec("commit") + c.Assert(err, NotNil) + c.Assert(err.Error(), Matches, "*.[domain:8028]*.") + + _, err = tk.Exec(`alter table tp1 alter partition p1 +add placement policy + constraints='["+ zone = sh "]' + role=leader + replicas=1;`) + // modify p0 when alter p1 placement policy, the txn should be success. + _, err = tk.Exec("begin;") + c.Assert(err, IsNil) + _, err = tk1.Exec(`alter table tp1 alter partition p1 +add placement policy + constraints='["+ zone = sh "]' + role=follower + replicas=3;`) + _, err = tk.Exec("insert into tp1 (c) values (1);") + c.Assert(err, IsNil) + _, err = tk.Exec("commit") + c.Assert(err, IsNil) +} diff --git a/infoschema/builder.go b/infoschema/builder.go index 624673eae9ea8..a859c2c824406 100644 --- a/infoschema/builder.go +++ b/infoschema/builder.go @@ -51,8 +51,8 @@ func (b *Builder) ApplyDiff(m *meta.Meta, diff *model.SchemaDiff) ([]int64, erro case model.ActionModifySchemaCharsetAndCollate: return nil, b.applyModifySchemaCharsetAndCollate(m, diff) case model.ActionAlterTableAlterPartition: - // there is no need to udpate table schema - return nil, b.applyPlacementUpdate(placement.GroupID(diff.TableID)) + // TODO: enhancement: If the leader Placement Policy isn't updated, maybe we can omit the diff. + return []int64{diff.TableID}, b.applyPlacementUpdate(placement.GroupID(diff.TableID)) } roDBInfo, ok := b.is.SchemaByID(diff.SchemaID) if !ok { From 1cdc15baaa08c8fa18bd84a3302d49983cf77d53 Mon Sep 17 00:00:00 2001 From: Yiding Cui Date: Mon, 23 Nov 2020 14:59:39 +0800 Subject: [PATCH 0264/1021] planner: `DELETE` cannot delete data in some cases when the database name is capitalized (#21202) Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com> --- executor/delete_test.go | 20 ++++++++++++++++++++ planner/core/logical_plan_builder.go | 10 +++++----- 2 files changed, 25 insertions(+), 5 deletions(-) diff --git a/executor/delete_test.go b/executor/delete_test.go index adb5dfcfe4f96..0f70597c59a1c 100644 --- a/executor/delete_test.go +++ b/executor/delete_test.go @@ -102,3 +102,23 @@ func (s *testSuite8) TestDeleteLockKey(c *C) { } wg.Wait() } + +func (s *testSuite8) TestIssue21200(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("drop database if exists TEST1") + tk.MustExec("create database TEST1") + tk.MustExec("use TEST1") + tk.MustExec("create table t(a int)") + tk.MustExec("create table t1(a int)") + tk.MustExec("insert into t values(1)") + tk.MustExec("insert into t1 values(1)") + tk.MustExec("delete a from t a where exists (select 1 from t1 where t1.a=a.a)") + tk.MustQuery("select * from t").Check(testkit.Rows()) + + tk.MustExec("insert into t values(1), (2)") + tk.MustExec("insert into t1 values(2)") + tk.MustExec("prepare stmt from 'delete a from t a where exists (select 1 from t1 where a.a=t1.a and t1.a=?)'") + tk.MustExec("set @a=1") + tk.MustExec("execute stmt using @a") + tk.MustQuery("select * from t").Check(testkit.Rows("2")) +} diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index f263a5ae58238..bbf8ff9c7fab2 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -4072,12 +4072,12 @@ func (b *PlanBuilder) buildDelete(ctx context.Context, delete *ast.DeleteStmt) ( for _, tn := range delete.Tables.Tables { foundMatch := false for _, v := range tableList { - dbName := v.Schema.L - if dbName == "" { - dbName = b.ctx.GetSessionVars().CurrentDB + dbName := v.Schema + if dbName.L == "" { + dbName = model.NewCIStr(b.ctx.GetSessionVars().CurrentDB) } - if (tn.Schema.L == "" || tn.Schema.L == dbName) && tn.Name.L == v.Name.L { - tn.Schema.L = dbName + if (tn.Schema.L == "" || tn.Schema.L == dbName.L) && tn.Name.L == v.Name.L { + tn.Schema = dbName tn.DBInfo = v.DBInfo tn.TableInfo = v.TableInfo foundMatch = true From 4caa23e8d2793211b6507486c8626688188a42ae Mon Sep 17 00:00:00 2001 From: crazycs Date: Mon, 23 Nov 2020 15:30:27 +0800 Subject: [PATCH 0265/1021] session: add encoded plan cache to avoid repeated encode plan when recording slow-log and statement (#21139) --- executor/adapter.go | 19 +++++++++++++++---- infoschema/tables_test.go | 12 +++++++++++- sessionctx/stmtctx/stmtctx.go | 11 +++++++++++ 3 files changed, 37 insertions(+), 5 deletions(-) diff --git a/executor/adapter.go b/executor/adapter.go index 5ba8526bdaccf..d52a1a442391e 100644 --- a/executor/adapter.go +++ b/executor/adapter.go @@ -913,7 +913,7 @@ func (a *ExecStmt) LogSlowQuery(txnTS uint64, succ bool, hasMoreResults bool) { MemMax: memMax, DiskMax: diskMax, Succ: succ, - Plan: getPlanTree(a.Plan), + Plan: getPlanTree(a.Ctx, a.Plan), PlanDigest: planDigest, Prepared: a.isPreparedStmt, HasMoreResults: hasMoreResults, @@ -965,12 +965,12 @@ func (a *ExecStmt) LogSlowQuery(txnTS uint64, succ bool, hasMoreResults bool) { } // getPlanTree will try to get the select plan tree if the plan is select or the select plan of delete/update/insert statement. -func getPlanTree(p plannercore.Plan) string { +func getPlanTree(sctx sessionctx.Context, p plannercore.Plan) string { cfg := config.GetGlobalConfig() if atomic.LoadUint32(&cfg.Log.RecordPlanInSlowLog) == 0 { return "" } - planTree := plannercore.EncodePlan(p) + planTree := getEncodedPlan(sctx, p) if len(planTree) == 0 { return planTree } @@ -988,6 +988,17 @@ func getPlanDigest(sctx sessionctx.Context, p plannercore.Plan) (normalized, pla return } +// getEncodedPlan uses to get encoded plan. +func getEncodedPlan(sctx sessionctx.Context, p plannercore.Plan) (encodedPlan string) { + encodedPlan = sctx.GetSessionVars().StmtCtx.GetEncodedPlan() + if len(encodedPlan) > 0 { + return + } + encodedPlan = plannercore.EncodePlan(p) + sctx.GetSessionVars().StmtCtx.SetEncodedPlan(encodedPlan) + return +} + // SummaryStmt collects statements for information_schema.statements_summary func (a *ExecStmt) SummaryStmt(succ bool) { sessVars := a.Ctx.GetSessionVars() @@ -1022,7 +1033,7 @@ func (a *ExecStmt) SummaryStmt(succ bool) { // No need to encode every time, so encode lazily. planGenerator := func() string { - return plannercore.EncodePlan(a.Plan) + return getEncodedPlan(a.Ctx, a.Plan) } // Generating plan digest is slow, only generate it once if it's 'Point_Get'. // If it's a point get, different SQLs leads to different plans, so SQL digest diff --git a/infoschema/tables_test.go b/infoschema/tables_test.go index 2bf6321ee9524..b59c34645f220 100644 --- a/infoschema/tables_test.go +++ b/infoschema/tables_test.go @@ -978,6 +978,13 @@ func (s *testTableSuite) TestStmtSummaryTable(c *C) { // Point get another database. tk.MustQuery("select variable_value from mysql.tidb where variable_name = 'system_tz'") + // Test for Encode plan cache. + p1 := tk.Se.GetSessionVars().StmtCtx.GetEncodedPlan() + c.Assert(len(p1) > 0, IsTrue) + rows := tk.MustQuery("select tidb_decode_plan('" + p1 + "');").Rows() + c.Assert(len(rows), Equals, 1) + c.Assert(len(rows[0]), Equals, 1) + c.Assert(rows[0][0], Matches, ".*\n.*Point_Get.*table.tidb, index.PRIMARY.VARIABLE_NAME.*") tk.MustQuery(`select table_names from information_schema.statements_summary where digest_text like 'select variable_value%' and schema_name='test'`, @@ -985,6 +992,9 @@ func (s *testTableSuite) TestStmtSummaryTable(c *C) { // Test `create database`. tk.MustExec("create database if not exists test") + // Test for Encode plan cache. + p2 := tk.Se.GetSessionVars().StmtCtx.GetEncodedPlan() + c.Assert(p2, Equals, "") tk.MustQuery(`select table_names from information_schema.statements_summary where digest_text like 'create database%' and schema_name='test'`, @@ -1428,7 +1438,7 @@ func (s *testTableSuite) TestPlacementPolicy(c *C) { } bundles[bundleID] = bundle expected := fmt.Sprintf(`%s 3 0 test test_placement p0 voter 3 "+zone=bj"`, bundleID) - tk.MustQuery(`select group_id, group_index, rule_id, schema_name, table_name, partition_name, index_name, + tk.MustQuery(`select group_id, group_index, rule_id, schema_name, table_name, partition_name, index_name, role, replicas, constraints from information_schema.placement_policy`).Check(testkit.Rows(expected)) rule1 := bundle.Rules[0].Clone() diff --git a/sessionctx/stmtctx/stmtctx.go b/sessionctx/stmtctx/stmtctx.go index 9a50505d474af..10d153c0c911b 100644 --- a/sessionctx/stmtctx/stmtctx.go +++ b/sessionctx/stmtctx/stmtctx.go @@ -145,6 +145,7 @@ type StatementContext struct { // planNormalized use for cache the normalized plan, avoid duplicate builds. planNormalized string planDigest string + encodedPlan string Tables []TableEntry PointExec bool // for point update cached execution, Constant expression need to set "paramMarker" lockWaitStartTime int64 // LockWaitStartTime stores the pessimistic lock wait start time @@ -226,6 +227,16 @@ func (sc *StatementContext) SetPlanDigest(normalized, planDigest string) { sc.planNormalized, sc.planDigest = normalized, planDigest } +// GetEncodedPlan gets the encoded plan, it is used to avoid repeated encode. +func (sc *StatementContext) GetEncodedPlan() string { + return sc.encodedPlan +} + +// SetEncodedPlan sets the encoded plan, it is used to avoid repeated encode. +func (sc *StatementContext) SetEncodedPlan(encodedPlan string) { + sc.encodedPlan = encodedPlan +} + // TableEntry presents table in db. type TableEntry struct { DB string From ea3e4fa5194f97d930da13c0cd1e3e9bf4129d82 Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Mon, 23 Nov 2020 15:43:14 +0800 Subject: [PATCH 0266/1021] executor: fix bug when parsing the slow logs if the logNum is small (#20959) --- executor/slow_query.go | 2 +- executor/slow_query_test.go | 51 +++++++++++++++++++++++++++---------- 2 files changed, 38 insertions(+), 15 deletions(-) diff --git a/executor/slow_query.go b/executor/slow_query.go index 7350f8ff73bfa..fd9f5e5e0c997 100755 --- a/executor/slow_query.go +++ b/executor/slow_query.go @@ -267,7 +267,7 @@ func (e *slowQueryRetriever) getBatchLog(reader *bufio.Reader, offset *offset, n line = string(hack.String(lineByte)) log = append(log, line) if strings.HasSuffix(line, variable.SlowLogSQLSuffixStr) { - if strings.HasPrefix(line, "use") { + if strings.HasPrefix(line, "use") || strings.HasPrefix(line, variable.SlowLogRowPrefixStr) { continue } break diff --git a/executor/slow_query_test.go b/executor/slow_query_test.go index 05e8b2d57566c..a22142774cec4 100644 --- a/executor/slow_query_test.go +++ b/executor/slow_query_test.go @@ -33,10 +33,10 @@ import ( "github.com/pingcap/tidb/util/mock" ) -func parseLog(retriever *slowQueryRetriever, sctx sessionctx.Context, reader *bufio.Reader) ([][]types.Datum, error) { +func parseLog(retriever *slowQueryRetriever, sctx sessionctx.Context, reader *bufio.Reader, logNum int) ([][]types.Datum, error) { retriever.parsedSlowLogCh = make(chan parsedSlowLog, 100) ctx := context.Background() - retriever.parseSlowLog(ctx, sctx, reader, 64) + retriever.parseSlowLog(ctx, sctx, reader, logNum) slowLog := <-retriever.parsedSlowLogCh rows, err := slowLog.rows, slowLog.err if err == io.EOF { @@ -45,11 +45,11 @@ func parseLog(retriever *slowQueryRetriever, sctx sessionctx.Context, reader *bu return rows, err } -func parseSlowLog(sctx sessionctx.Context, reader *bufio.Reader) ([][]types.Datum, error) { +func parseSlowLog(sctx sessionctx.Context, reader *bufio.Reader, logNum int) ([][]types.Datum, error) { retriever := &slowQueryRetriever{} // Ignore the error is ok for test. terror.Log(retriever.initialize(sctx)) - rows, err := parseLog(retriever, sctx, reader) + rows, err := parseLog(retriever, sctx, reader, logNum) return rows, err } @@ -83,7 +83,7 @@ select * from t;` c.Assert(err, IsNil) sctx := mock.NewContext() sctx.GetSessionVars().TimeZone = loc - _, err = parseSlowLog(sctx, reader) + _, err = parseSlowLog(sctx, reader, 64) c.Assert(err, NotNil) c.Assert(err.Error(), Equals, "panic test") } @@ -119,7 +119,7 @@ select * from t;` c.Assert(err, IsNil) ctx := mock.NewContext() ctx.GetSessionVars().TimeZone = loc - rows, err := parseSlowLog(ctx, reader) + rows, err := parseSlowLog(ctx, reader, 64) c.Assert(err, IsNil) c.Assert(len(rows), Equals, 1) recordString := "" @@ -140,6 +140,29 @@ select * from t;` `update t set i = 1;,select * from t;` c.Assert(expectRecordString, Equals, recordString) + // Issue 20928 + reader = bufio.NewReader(bytes.NewBufferString(slowLogStr)) + rows, err = parseSlowLog(ctx, reader, 1) + c.Assert(err, IsNil) + c.Assert(len(rows), Equals, 1) + recordString = "" + for i, value := range rows[0] { + str, err := value.ToString() + c.Assert(err, IsNil) + if i > 0 { + recordString += "," + } + recordString += str + } + expectRecordString = `2019-04-28 15:24:04.309074,` + + `405888132465033227,root,localhost,0,57,0.12,0.216905,` + + `0,0,0,0,0,0,0,0,0,0,0,0,,0,0,0,0,0,0,0.38,0.021,0,0,0,1,637,0,10,10,10,10,100,,,1,42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772,t1:1,t2:2,` + + `0.1,0.2,0.03,127.0.0.1:20160,0.05,0.6,0.8,0.0.0.0:20160,70724,65536,0,0,0,0,` + + `Cop_backoff_regionMiss_total_times: 200 Cop_backoff_regionMiss_total_time: 0.2 Cop_backoff_regionMiss_max_time: 0.2 Cop_backoff_regionMiss_max_addr: 127.0.0.1 Cop_backoff_regionMiss_avg_time: 0.2 Cop_backoff_regionMiss_p90_time: 0.2 Cop_backoff_rpcPD_total_times: 200 Cop_backoff_rpcPD_total_time: 0.2 Cop_backoff_rpcPD_max_time: 0.2 Cop_backoff_rpcPD_max_addr: 127.0.0.1 Cop_backoff_rpcPD_avg_time: 0.2 Cop_backoff_rpcPD_p90_time: 0.2 Cop_backoff_rpcTiKV_total_times: 200 Cop_backoff_rpcTiKV_total_time: 0.2 Cop_backoff_rpcTiKV_max_time: 0.2 Cop_backoff_rpcTiKV_max_addr: 127.0.0.1 Cop_backoff_rpcTiKV_avg_time: 0.2 Cop_backoff_rpcTiKV_p90_time: 0.2,` + + `0,0,1,1,,60e9378c746d9a2be1c791047e008967cf252eb6de9167ad3aa6098fa2d523f4,` + + `update t set i = 1;,select * from t;` + c.Assert(expectRecordString, Equals, recordString) + // fix sql contain '# ' bug slowLog := bytes.NewBufferString( `# Time: 2019-04-28T15:24:04.309074+08:00 @@ -155,7 +178,7 @@ select a# from t; select * from t; `) reader = bufio.NewReader(slowLog) - _, err = parseSlowLog(ctx, reader) + _, err = parseSlowLog(ctx, reader, 64) c.Assert(err, IsNil) // test for time format compatibility. @@ -166,7 +189,7 @@ select * from t; select * from t; `) reader = bufio.NewReader(slowLog) - rows, err = parseSlowLog(ctx, reader) + rows, err = parseSlowLog(ctx, reader, 64) c.Assert(err, IsNil) c.Assert(len(rows) == 2, IsTrue) t0Str, err := rows[0][0].ToString() @@ -183,7 +206,7 @@ select * from t; select * from t; `) reader = bufio.NewReader(slowLog) - _, err = parseSlowLog(ctx, reader) + _, err = parseSlowLog(ctx, reader, 64) c.Assert(err, IsNil) warnings := ctx.GetSessionVars().StmtCtx.GetWarnings() c.Assert(warnings, HasLen, 1) @@ -207,13 +230,13 @@ select * from t; sql := strings.Repeat("x", int(variable.MaxOfMaxAllowedPacket+1)) slowLog.WriteString(sql) reader := bufio.NewReader(slowLog) - _, err = parseSlowLog(ctx, reader) + _, err = parseSlowLog(ctx, reader, 64) c.Assert(err, NotNil) c.Assert(err.Error(), Equals, "single line length exceeds limit: 65536") variable.MaxOfMaxAllowedPacket = originValue reader = bufio.NewReader(slowLog) - _, err = parseSlowLog(ctx, reader) + _, err = parseSlowLog(ctx, reader, 64) c.Assert(err, IsNil) } @@ -264,7 +287,7 @@ select * from t;`) c.Assert(err, IsNil) ctx := mock.NewContext() ctx.GetSessionVars().TimeZone = loc - _, err = parseSlowLog(ctx, scanner) + _, err = parseSlowLog(ctx, scanner, 64) c.Assert(err, IsNil) // Test parser error. @@ -274,7 +297,7 @@ select * from t;`) `) scanner = bufio.NewReader(slowLog) - _, err = parseSlowLog(ctx, scanner) + _, err = parseSlowLog(ctx, scanner, 64) c.Assert(err, IsNil) warnings := ctx.GetSessionVars().StmtCtx.GetWarnings() c.Assert(warnings, HasLen, 1) @@ -433,7 +456,7 @@ select 7;` c.Assert(retriever.files, HasLen, len(cas.files), comment) if len(retriever.files) > 0 { reader := bufio.NewReader(retriever.files[0].file) - rows, err := parseLog(retriever, sctx, reader) + rows, err := parseLog(retriever, sctx, reader, 64) c.Assert(err, IsNil) c.Assert(len(rows), Equals, len(cas.querys), comment) for i, row := range rows { From 4246568d203f8a535c4f34e7489ff8f4383ff965 Mon Sep 17 00:00:00 2001 From: Jason Peng Date: Mon, 23 Nov 2020 16:27:00 +0800 Subject: [PATCH 0267/1021] domain, kv: release table which was unlocked (#21180) --- domain/schema_validator.go | 5 ++--- kv/cachedb.go | 12 ++++++------ 2 files changed, 8 insertions(+), 9 deletions(-) diff --git a/domain/schema_validator.go b/domain/schema_validator.go index dcc61e3c2de11..b983eff1d6203 100644 --- a/domain/schema_validator.go +++ b/domain/schema_validator.go @@ -154,11 +154,10 @@ func (s *schemaValidator) Update(leaseGrantTS uint64, oldVer, currVer int64, cha tblIDs = change.PhyTblIDS actionTypes = change.ActionTypes } - for _, ac := range actionTypes { + for idx, ac := range actionTypes { // NOTE: ac is not an action type, it is (1 << action type). if ac == 1< Date: Mon, 23 Nov 2020 17:21:54 +0800 Subject: [PATCH 0268/1021] table/tables: make the test case more stable (#21117) --- table/tables/tables_test.go | 2 ++ 1 file changed, 2 insertions(+) diff --git a/table/tables/tables_test.go b/table/tables/tables_test.go index b9fb958e7ad11..8e4d1b5269e67 100644 --- a/table/tables/tables_test.go +++ b/table/tables/tables_test.go @@ -354,6 +354,8 @@ func (ts *testSuite) TestTableFromMeta(c *C) { tk.MustExec("use test") tk.MustExec("CREATE TABLE meta (a int primary key auto_increment, b varchar(255) unique)") c.Assert(ts.se.NewTxn(context.Background()), IsNil) + _, err := ts.se.Txn(true) + c.Assert(err, IsNil) tb, err := ts.dom.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("meta")) c.Assert(err, IsNil) tbInfo := tb.Meta() From e6d7e7b89e359e791e38e4c87b7839f0a9ea44e5 Mon Sep 17 00:00:00 2001 From: wjHuang Date: Mon, 23 Nov 2020 17:34:53 +0800 Subject: [PATCH 0269/1021] planner: make index-hash-join and index-merge-join consider collation (#21201) Signed-off-by: wjhuang2016 --- expression/integration_test.go | 18 ++++++++++ planner/core/exhaust_physical_plans.go | 40 +++++++++++++-------- planner/core/exhaust_physical_plans_test.go | 2 +- 3 files changed, 45 insertions(+), 15 deletions(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index 2a86d240b9da6..f4af2a0cafd4b 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7737,3 +7737,21 @@ func (s *testIntegrationSerialSuite) TestIssue20608(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustQuery("select '䇇Հ' collate utf8mb4_bin like '___Հ';").Check(testkit.Rows("0")) } + +func (s *testIntegrationSerialSuite) TestCollationIndexJoin(c *C) { + collate.SetNewCollationEnabledForTest(true) + defer collate.SetNewCollationEnabledForTest(false) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a int, b char(10), key(b)) collate utf8mb4_general_ci") + tk.MustExec("create table t2(a int, b char(10), key(b)) collate ascii_bin") + tk.MustExec("insert into t1 values (1, 'a')") + tk.MustExec("insert into t2 values (1, 'A')") + + tk.MustQuery("select /*+ inl_join(t1) */ t1.b, t2.b from t1 join t2 where t1.b=t2.b").Check(testkit.Rows("a A")) + tk.MustQuery("select /*+ hash_join(t1) */ t1.b, t2.b from t1 join t2 where t1.b=t2.b").Check(testkit.Rows("a A")) + tk.MustQuery("select /*+ merge_join(t1) */ t1.b, t2.b from t1 join t2 where t1.b=t2.b").Check(testkit.Rows("a A")) + tk.MustQuery("select /*+ inl_hash_join(t1) */ t1.b, t2.b from t1 join t2 where t1.b=t2.b").Check(testkit.Rows("a A")) + tk.MustQuery("select /*+ inl_merge_join(t1) */ t1.b, t2.b from t1 join t2 where t1.b=t2.b").Check(testkit.Rows("a A")) +} diff --git a/planner/core/exhaust_physical_plans.go b/planner/core/exhaust_physical_plans.go index 5af99616a8aec..2043603529984 100644 --- a/planner/core/exhaust_physical_plans.go +++ b/planner/core/exhaust_physical_plans.go @@ -32,6 +32,7 @@ import ( "github.com/pingcap/tidb/statistics" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" + "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/plancodec" "github.com/pingcap/tidb/util/ranger" @@ -479,6 +480,16 @@ func (p *LogicalJoin) constructIndexJoin( IsNullEQ: newIsNullEQ, DefaultValues: p.DefaultValues, } + // Correct the collation used by hash. + for i := range outerHashKeys { + // Make compiler happy. + if len(innerHashKeys) == 0 { + return nil + } + chs, coll := expression.DeriveCollationFromExprs(nil, outerHashKeys[i], innerHashKeys[i]) + outerHashKeys[i].GetType().Charset, outerHashKeys[i].GetType().Collate = chs, coll + innerHashKeys[i].GetType().Charset, innerHashKeys[i].GetType().Collate = chs, coll + } join := PhysicalIndexJoin{ basePhysicalJoin: baseJoin, innerTask: innerTask, @@ -657,15 +668,14 @@ func (p *LogicalJoin) getIndexJoinByOuterIdx(prop *property.PhysicalProperty, ou return p.buildIndexJoinInner2IndexScan(prop, ds, innerJoinKeys, outerJoinKeys, outerIdx, us, avgInnerRowCnt) } -func (p *LogicalJoin) getIndexJoinBuildHelper(ds *DataSource, innerJoinKeys []*expression.Column, - checkPathValid func(path *util.AccessPath) bool) (*indexJoinBuildHelper, []int) { +func (p *LogicalJoin) getIndexJoinBuildHelper(ds *DataSource, innerJoinKeys []*expression.Column, checkPathValid func(path *util.AccessPath) bool, outerJoinKeys []*expression.Column) (*indexJoinBuildHelper, []int) { helper := &indexJoinBuildHelper{ join: p, innerPlan: ds, } for _, path := range ds.possibleAccessPaths { if checkPathValid(path) { - emptyRange, err := helper.analyzeLookUpFilters(path, ds, innerJoinKeys) + emptyRange, err := helper.analyzeLookUpFilters(path, ds, innerJoinKeys, outerJoinKeys) if emptyRange { return nil, nil } @@ -713,7 +723,7 @@ func (p *LogicalJoin) buildIndexJoinInner2TableScan( var innerTask, innerTask2 task var helper *indexJoinBuildHelper if ds.tableInfo.IsCommonHandle { - helper, keyOff2IdxOff = p.getIndexJoinBuildHelper(ds, innerJoinKeys, func(path *util.AccessPath) bool { return path.IsCommonHandlePath }) + helper, keyOff2IdxOff = p.getIndexJoinBuildHelper(ds, innerJoinKeys, func(path *util.AccessPath) bool { return path.IsCommonHandlePath }, outerJoinKeys) if helper == nil { return nil } @@ -774,7 +784,7 @@ func (p *LogicalJoin) buildIndexJoinInner2TableScan( func (p *LogicalJoin) buildIndexJoinInner2IndexScan( prop *property.PhysicalProperty, ds *DataSource, innerJoinKeys, outerJoinKeys []*expression.Column, outerIdx int, us *LogicalUnionScan, avgInnerRowCnt float64) (joins []PhysicalPlan) { - helper, keyOff2IdxOff := p.getIndexJoinBuildHelper(ds, innerJoinKeys, func(path *util.AccessPath) bool { return !path.IsTablePath() }) + helper, keyOff2IdxOff := p.getIndexJoinBuildHelper(ds, innerJoinKeys, func(path *util.AccessPath) bool { return !path.IsTablePath() }, outerJoinKeys) if helper == nil { return nil } @@ -1250,16 +1260,18 @@ loopOtherConds: // It's clearly that the column c cannot be used to access data. So we need to remove it and reset the IdxOff2KeyOff to // [0 -1 -1]. // So that we can use t1.a=t2.a and t1.b > t2.b-10 and t1.b < t2.b+10 to build ranges then access data. -func (ijHelper *indexJoinBuildHelper) removeUselessEqAndInFunc( - idxCols []*expression.Column, - notKeyEqAndIn []expression.Expression) ( - usefulEqAndIn, uselessOnes []expression.Expression, -) { +func (ijHelper *indexJoinBuildHelper) removeUselessEqAndInFunc(idxCols []*expression.Column, notKeyEqAndIn []expression.Expression, outerJoinKeys []*expression.Column) (usefulEqAndIn, uselessOnes []expression.Expression) { ijHelper.curPossibleUsedKeys = make([]*expression.Column, 0, len(idxCols)) for idxColPos, notKeyColPos := 0, 0; idxColPos < len(idxCols); idxColPos++ { if ijHelper.curIdxOff2KeyOff[idxColPos] != -1 { - ijHelper.curPossibleUsedKeys = append(ijHelper.curPossibleUsedKeys, idxCols[idxColPos]) - continue + // Check collation is the new collation is enabled. + tmpType := make([]expression.Expression, 0) + expression.DeriveCollationFromExprs(nil, idxCols[idxColPos], outerJoinKeys[ijHelper.curIdxOff2KeyOff[idxColPos]]) + _, coll := expression.DeriveCollationFromExprs(nil, tmpType...) + if !collate.NewCollationEnabled() || collate.CompatibleCollate(idxCols[idxColPos].GetType().Collate, coll) { + ijHelper.curPossibleUsedKeys = append(ijHelper.curPossibleUsedKeys, idxCols[idxColPos]) + continue + } } if notKeyColPos < len(notKeyEqAndIn) && ijHelper.curNotUsedIndexCols[notKeyColPos].Equal(nil, idxCols[idxColPos]) { notKeyColPos++ @@ -1276,7 +1288,7 @@ func (ijHelper *indexJoinBuildHelper) removeUselessEqAndInFunc( return notKeyEqAndIn, nil } -func (ijHelper *indexJoinBuildHelper) analyzeLookUpFilters(path *util.AccessPath, innerPlan *DataSource, innerJoinKeys []*expression.Column) (emptyRange bool, err error) { +func (ijHelper *indexJoinBuildHelper) analyzeLookUpFilters(path *util.AccessPath, innerPlan *DataSource, innerJoinKeys []*expression.Column, outerJoinKeys []*expression.Column) (emptyRange bool, err error) { if len(path.IdxCols) == 0 { return false, nil } @@ -1284,7 +1296,7 @@ func (ijHelper *indexJoinBuildHelper) analyzeLookUpFilters(path *util.AccessPath ijHelper.resetContextForIndex(innerJoinKeys, path.IdxCols, path.IdxColLens) notKeyEqAndIn, remained, rangeFilterCandidates := ijHelper.findUsefulEqAndInFilters(innerPlan) var remainedEqAndIn []expression.Expression - notKeyEqAndIn, remainedEqAndIn = ijHelper.removeUselessEqAndInFunc(path.IdxCols, notKeyEqAndIn) + notKeyEqAndIn, remainedEqAndIn = ijHelper.removeUselessEqAndInFunc(path.IdxCols, notKeyEqAndIn, outerJoinKeys) matchedKeyCnt := len(ijHelper.curPossibleUsedKeys) // If no join key is matched while join keys actually are not empty. We don't choose index join for now. if matchedKeyCnt <= 0 && len(innerJoinKeys) > 0 { diff --git a/planner/core/exhaust_physical_plans_test.go b/planner/core/exhaust_physical_plans_test.go index 889e0f657392f..ed7a47b87cece 100644 --- a/planner/core/exhaust_physical_plans_test.go +++ b/planner/core/exhaust_physical_plans_test.go @@ -248,7 +248,7 @@ func (s *testUnitTestSuit) TestIndexJoinAnalyzeLookUpFilters(c *C) { c.Assert(err, IsNil) joinNode.OtherConditions = others helper := &indexJoinBuildHelper{join: joinNode, lastColManager: nil, innerPlan: dataSourceNode} - _, err = helper.analyzeLookUpFilters(path, dataSourceNode, tt.innerKeys) + _, err = helper.analyzeLookUpFilters(path, dataSourceNode, tt.innerKeys, tt.innerKeys) c.Assert(err, IsNil) c.Assert(fmt.Sprintf("%v", helper.chosenAccess), Equals, tt.accesses) c.Assert(fmt.Sprintf("%v", helper.chosenRanges), Equals, tt.ranges, Commentf("test case: #%v", i)) From 2effb7dd1904b157ffb539b0d4cd24704b9ba0c5 Mon Sep 17 00:00:00 2001 From: wjHuang Date: Mon, 23 Nov 2020 20:37:43 +0800 Subject: [PATCH 0270/1021] planner: make index-hash-join and index-merge-join consider the collation in the right way (#21221) Signed-off-by: wjhuang2016 --- expression/integration_test.go | 4 ++++ planner/core/exhaust_physical_plans.go | 4 +--- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index f4af2a0cafd4b..7256d567b50e9 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7753,5 +7753,9 @@ func (s *testIntegrationSerialSuite) TestCollationIndexJoin(c *C) { tk.MustQuery("select /*+ hash_join(t1) */ t1.b, t2.b from t1 join t2 where t1.b=t2.b").Check(testkit.Rows("a A")) tk.MustQuery("select /*+ merge_join(t1) */ t1.b, t2.b from t1 join t2 where t1.b=t2.b").Check(testkit.Rows("a A")) tk.MustQuery("select /*+ inl_hash_join(t1) */ t1.b, t2.b from t1 join t2 where t1.b=t2.b").Check(testkit.Rows("a A")) + tk.MustQuery("select /*+ inl_hash_join(t2) */ t1.b, t2.b from t1 join t2 where t1.b=t2.b").Check(testkit.Rows("a A")) + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1815 Optimizer Hint /*+ INL_HASH_JOIN(t2) */ is inapplicable")) tk.MustQuery("select /*+ inl_merge_join(t1) */ t1.b, t2.b from t1 join t2 where t1.b=t2.b").Check(testkit.Rows("a A")) + tk.MustQuery("select /*+ inl_merge_join(t2) */ t1.b, t2.b from t1 join t2 where t1.b=t2.b").Check(testkit.Rows("a A")) + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1815 Optimizer Hint /*+ INL_MERGE_JOIN(t2) */ is inapplicable")) } diff --git a/planner/core/exhaust_physical_plans.go b/planner/core/exhaust_physical_plans.go index 2043603529984..1daad26032085 100644 --- a/planner/core/exhaust_physical_plans.go +++ b/planner/core/exhaust_physical_plans.go @@ -1265,9 +1265,7 @@ func (ijHelper *indexJoinBuildHelper) removeUselessEqAndInFunc(idxCols []*expres for idxColPos, notKeyColPos := 0, 0; idxColPos < len(idxCols); idxColPos++ { if ijHelper.curIdxOff2KeyOff[idxColPos] != -1 { // Check collation is the new collation is enabled. - tmpType := make([]expression.Expression, 0) - expression.DeriveCollationFromExprs(nil, idxCols[idxColPos], outerJoinKeys[ijHelper.curIdxOff2KeyOff[idxColPos]]) - _, coll := expression.DeriveCollationFromExprs(nil, tmpType...) + _, coll := expression.DeriveCollationFromExprs(nil, idxCols[idxColPos], outerJoinKeys[ijHelper.curIdxOff2KeyOff[idxColPos]]) if !collate.NewCollationEnabled() || collate.CompatibleCollate(idxCols[idxColPos].GetType().Collate, coll) { ijHelper.curPossibleUsedKeys = append(ijHelper.curPossibleUsedKeys, idxCols[idxColPos]) continue From 95adbe1a72fbd4b66d47d71a00c5e26fc4d622f6 Mon Sep 17 00:00:00 2001 From: Yichen Date: Mon, 23 Nov 2020 14:54:54 +0100 Subject: [PATCH 0271/1021] parser: Update (#21212) --- go.mod | 2 +- go.sum | 5 ++--- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/go.mod b/go.mod index ad91a59651c1f..3b0a64d5486cf 100644 --- a/go.mod +++ b/go.mod @@ -47,7 +47,7 @@ require ( github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20201113092725-08f2872278eb github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 - github.com/pingcap/parser v0.0.0-20201120034941-782dfa0a1a9a + github.com/pingcap/parser v0.0.0-20201123044711-f3f506acdab4 github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 github.com/pingcap/tidb-lightning v4.0.9-0.20201106041742-a1ac97827a27+incompatible github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible diff --git a/go.sum b/go.sum index 1277041d64f9f..6bef486fad4e6 100644 --- a/go.sum +++ b/go.sum @@ -687,8 +687,8 @@ github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 h1:M+DNpOu/I3uDmwee6vc github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/parser v0.0.0-20190506092653-e336082eb825/go.mod h1:1FNvfp9+J0wvc4kl8eGNh7Rqrxveg15jJoWo/a0uHwA= github.com/pingcap/parser v0.0.0-20200422082501-7329d80eaf2c/go.mod h1:9v0Edh8IbgjGYW2ArJr19E+bvL8zKahsFp+ixWeId+4= -github.com/pingcap/parser v0.0.0-20201120034941-782dfa0a1a9a h1:MREHQ6dB0SPl1blLeUJjypLbm4Pcvk3wJTyVCa/S3oE= -github.com/pingcap/parser v0.0.0-20201120034941-782dfa0a1a9a/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= +github.com/pingcap/parser v0.0.0-20201123044711-f3f506acdab4 h1:ZpIuKrfmTd0TtM1AheAW/KjBBfxXS3YlU88KH830Mf8= +github.com/pingcap/parser v0.0.0-20201123044711-f3f506acdab4/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= github.com/pingcap/pd v2.1.5+incompatible/go.mod h1:nD3+EoYes4+aNNODO99ES59V83MZSI+dFbhyr667a0E= github.com/pingcap/pd/v4 v4.0.0-rc.1.0.20200422143320-428acd53eba2/go.mod h1:s+utZtXDznOiL24VK0qGmtoHjjXNsscJx3m1n8cC56s= github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= @@ -774,7 +774,6 @@ github.com/satori/go.uuid v1.2.1-0.20181028125025-b2ce2384e17b/go.mod h1:dA0hQrY github.com/segmentio/kafka-go v0.1.0/go.mod h1:X6itGqS9L4jDletMsxZ7Dz+JFWxM6JHfPOCvTvk+EJo= github.com/segmentio/kafka-go v0.2.0/go.mod h1:X6itGqS9L4jDletMsxZ7Dz+JFWxM6JHfPOCvTvk+EJo= github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= -github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44 h1:tB9NOR21++IjLyVx3/PCPhWMwqGNCMQEH96A6dMZ/gc= github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= github.com/shirou/gopsutil v2.19.10+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA= github.com/shirou/gopsutil v2.20.3+incompatible h1:0JVooMPsT7A7HqEYdydp/OfjSOYSjhXV7w1hkKj/NPQ= From ceddc106f092c2e6dcf171cfbcbf5e4dfe96cd28 Mon Sep 17 00:00:00 2001 From: huang-b Date: Tue, 24 Nov 2020 10:59:03 +0800 Subject: [PATCH 0272/1021] executor,planner/core,util/plancodec: extend executor.ShuffleExec and planner.core.PhysicalShuffle to support multiple data sources (#20942) --- cmd/explaintest/r/window_function.result | 12 +- executor/benchmark_test.go | 11 +- executor/builder.go | 59 +++++---- executor/shuffle.go | 117 +++++++++++------- planner/core/explain.go | 7 +- planner/core/initialize.go | 6 +- planner/core/physical_plans.go | 19 +-- planner/core/plan.go | 10 +- planner/core/resolve_indices.go | 14 ++- planner/core/stringer.go | 4 +- planner/core/testdata/plan_suite_out.json | 2 +- .../testdata/plan_suite_unexported_out.json | 10 +- util/plancodec/id.go | 4 +- 13 files changed, 167 insertions(+), 108 deletions(-) diff --git a/cmd/explaintest/r/window_function.result b/cmd/explaintest/r/window_function.result index 545b8ec8313b3..9c9f39790bedb 100644 --- a/cmd/explaintest/r/window_function.result +++ b/cmd/explaintest/r/window_function.result @@ -66,7 +66,7 @@ Projection_7 10000.00 root Column#6 explain select sum(a) over(partition by a order by b) from t; id estRows task access object operator info Projection_7 10000.00 root Column#6 -└─Shuffle_12 10000.00 root execution info: concurrency:4, data source:TableReader_10 +└─Shuffle_12 10000.00 root execution info: concurrency:4, data sources:[TableReader_10] └─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b range between unbounded preceding and current row) └─Sort_11 10000.00 root test.t.a, test.t.b └─TableReader_10 10000.00 root data:TableFullScan_9 @@ -74,7 +74,7 @@ Projection_7 10000.00 root Column#6 explain select sum(a) over(partition by a order by b rows unbounded preceding) from t; id estRows task access object operator info Projection_7 10000.00 root Column#6 -└─Shuffle_12 10000.00 root execution info: concurrency:4, data source:TableReader_10 +└─Shuffle_12 10000.00 root execution info: concurrency:4, data sources:[TableReader_10] └─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b rows between unbounded preceding and current row) └─Sort_11 10000.00 root test.t.a, test.t.b └─TableReader_10 10000.00 root data:TableFullScan_9 @@ -82,7 +82,7 @@ Projection_7 10000.00 root Column#6 explain select sum(a) over(partition by a order by b rows between 1 preceding and 1 following) from t; id estRows task access object operator info Projection_7 10000.00 root Column#6 -└─Shuffle_12 10000.00 root execution info: concurrency:4, data source:TableReader_10 +└─Shuffle_12 10000.00 root execution info: concurrency:4, data sources:[TableReader_10] └─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b rows between 1 preceding and 1 following) └─Sort_11 10000.00 root test.t.a, test.t.b └─TableReader_10 10000.00 root data:TableFullScan_9 @@ -90,7 +90,7 @@ Projection_7 10000.00 root Column#6 explain select sum(a) over(partition by a order by b range between 1 preceding and 1 following) from t; id estRows task access object operator info Projection_7 10000.00 root Column#6 -└─Shuffle_12 10000.00 root execution info: concurrency:4, data source:TableReader_10 +└─Shuffle_12 10000.00 root execution info: concurrency:4, data sources:[TableReader_10] └─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.b range between 1 preceding and 1 following) └─Sort_11 10000.00 root test.t.a, test.t.b └─TableReader_10 10000.00 root data:TableFullScan_9 @@ -98,7 +98,7 @@ Projection_7 10000.00 root Column#6 explain select sum(a) over(partition by a order by c range between interval '2:30' minute_second preceding and interval '2:30' minute_second following) from t; id estRows task access object operator info Projection_7 10000.00 root Column#6 -└─Shuffle_12 10000.00 root execution info: concurrency:4, data source:TableReader_10 +└─Shuffle_12 10000.00 root execution info: concurrency:4, data sources:[TableReader_10] └─Window_8 10000.00 root sum(cast(test.t.a, decimal(32,0) BINARY))->Column#6 over(partition by test.t.a order by test.t.c range between interval "2:30" "MINUTE_SECOND" preceding and interval "2:30" "MINUTE_SECOND" following) └─Sort_11 10000.00 root test.t.a, test.t.c └─TableReader_10 10000.00 root data:TableFullScan_9 @@ -119,7 +119,7 @@ analyze table t1; explain select sum(a) over(partition by b) from t1; id estRows task access object operator info Projection_7 3.00 root Column#4 -└─Shuffle_12 3.00 root execution info: concurrency:2, data source:TableReader_10 +└─Shuffle_12 3.00 root execution info: concurrency:2, data sources:[TableReader_10] └─Window_8 3.00 root sum(cast(test.t1.a, decimal(32,0) BINARY))->Column#4 over(partition by test.t1.b) └─Sort_11 3.00 root test.t1.b └─TableReader_10 3.00 root data:TableFullScan_9 diff --git a/executor/benchmark_test.go b/executor/benchmark_test.go index d710deb59b93e..06b00897285b2 100644 --- a/executor/benchmark_test.go +++ b/executor/benchmark_test.go @@ -30,6 +30,7 @@ import ( "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/expression/aggregation" "github.com/pingcap/tidb/planner/core" + plannercore "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/planner/property" "github.com/pingcap/tidb/planner/util" "github.com/pingcap/tidb/sessionctx" @@ -497,11 +498,11 @@ func buildWindowExecutor(ctx sessionctx.Context, windowFunc string, funcs int, f } plan = core.PhysicalShuffle{ - Concurrency: concurrency, - Tail: tail, - DataSource: src, - SplitterType: core.PartitionHashSplitterType, - HashByItems: byItems, + Concurrency: concurrency, + Tails: []plannercore.PhysicalPlan{tail}, + DataSources: []plannercore.PhysicalPlan{src}, + SplitterType: core.PartitionHashSplitterType, + HashByItemArrays: [][]expression.Expression{byItems}, }.Init(ctx, nil, 0) plan.SetChildren(win) } else { diff --git a/executor/builder.go b/executor/builder.go index ad128c559b484..50f17eec7d792 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -216,8 +216,8 @@ func (b *executorBuilder) build(p plannercore.Plan) Executor { return b.buildWindow(v) case *plannercore.PhysicalShuffle: return b.buildShuffle(v) - case *plannercore.PhysicalShuffleDataSourceStub: - return b.buildShuffleDataSourceStub(v) + case *plannercore.PhysicalShuffleReceiverStub: + return b.buildShuffleReceiverStub(v) case *plannercore.SQLBindPlan: return b.buildSQLBindExec(v) case *plannercore.SplitRegion: @@ -3670,40 +3670,57 @@ func (b *executorBuilder) buildWindow(v *plannercore.PhysicalWindow) *WindowExec func (b *executorBuilder) buildShuffle(v *plannercore.PhysicalShuffle) *ShuffleExec { base := newBaseExecutor(b.ctx, v.Schema(), v.ID()) - shuffle := &ShuffleExec{baseExecutor: base, - concurrency: v.Concurrency, + shuffle := &ShuffleExec{ + baseExecutor: base, + concurrency: v.Concurrency, } switch v.SplitterType { case plannercore.PartitionHashSplitterType: - shuffle.splitter = &partitionHashSplitter{ - byItems: v.HashByItems, - numWorkers: shuffle.concurrency, + splitters := make([]partitionSplitter, len(v.HashByItemArrays)) + for i, hashByItemArray := range v.HashByItemArrays { + hashSplitter := &partitionHashSplitter{ + byItems: hashByItemArray, + numWorkers: shuffle.concurrency, + } + copy(hashSplitter.byItems, hashByItemArray) + splitters[i] = hashSplitter } + shuffle.splitters = splitters default: panic("Not implemented. Should not reach here.") } - shuffle.dataSource = b.build(v.DataSource) - if b.err != nil { - return nil + shuffle.dataSources = make([]Executor, len(v.DataSources)) + for i, dataSource := range v.DataSources { + shuffle.dataSources[i] = b.build(dataSource) + if b.err != nil { + return nil + } } - // head & tail of physical plans' chain within "partition". - var head, tail = v.Children()[0], v.Tail - + head := v.Children()[0] shuffle.workers = make([]*shuffleWorker, shuffle.concurrency) for i := range shuffle.workers { + receivers := make([]*shuffleReceiver, len(v.DataSources)) + for j, dataSource := range v.DataSources { + receivers[j] = &shuffleReceiver{ + baseExecutor: newBaseExecutor(b.ctx, dataSource.Schema(), dataSource.ID()), + } + } + w := &shuffleWorker{ - baseExecutor: newBaseExecutor(b.ctx, v.DataSource.Schema(), v.DataSource.ID()), + receivers: receivers, } - stub := plannercore.PhysicalShuffleDataSourceStub{ - Worker: (unsafe.Pointer)(w), - }.Init(b.ctx, v.DataSource.Stats(), v.DataSource.SelectBlockOffset(), nil) - stub.SetSchema(v.DataSource.Schema()) + for j, dataSource := range v.DataSources { + stub := plannercore.PhysicalShuffleReceiverStub{ + Receiver: (unsafe.Pointer)(receivers[j]), + }.Init(b.ctx, dataSource.Stats(), dataSource.SelectBlockOffset(), nil) + stub.SetSchema(dataSource.Schema()) + v.Tails[j].SetChildren(stub) + } - tail.SetChildren(stub) w.childExec = b.build(head) if b.err != nil { return nil @@ -3715,8 +3732,8 @@ func (b *executorBuilder) buildShuffle(v *plannercore.PhysicalShuffle) *ShuffleE return shuffle } -func (b *executorBuilder) buildShuffleDataSourceStub(v *plannercore.PhysicalShuffleDataSourceStub) *shuffleWorker { - return (*shuffleWorker)(v.Worker) +func (b *executorBuilder) buildShuffleReceiverStub(v *plannercore.PhysicalShuffleReceiverStub) *shuffleReceiver { + return (*shuffleReceiver)(v.Receiver) } func (b *executorBuilder) buildSQLBindExec(v *plannercore.SQLBindPlan) Executor { diff --git a/executor/shuffle.go b/executor/shuffle.go index fd4ab99130cf5..bb611e6fa08dc 100644 --- a/executor/shuffle.go +++ b/executor/shuffle.go @@ -29,10 +29,11 @@ import ( ) // ShuffleExec is the executor to run other executors in a parallel manner. -// 1. It fetches chunks from `DataSource`. -// 2. It splits tuples from `DataSource` into N partitions (Only "split by hash" is implemented so far). -// 3. It invokes N workers in parallel, assign each partition as input to each worker and execute child executors. -// 4. It collects outputs from each worker, then sends outputs to its parent. +// 1. It fetches chunks from M `DataSources` (value of M depends on the actual executor, e.g. M = 1 for WindowExec, M = 2 for MergeJoinExec). +// 2. It splits tuples from each `DataSource` into N partitions (Only "split by hash" is implemented so far). +// 3. It invokes N workers in parallel, each one has M `receiver` to receive partitions from `DataSources` +// 4. It assigns partitions received as input to each worker and executes child executors. +// 5. It collects outputs from each worker, then sends outputs to its parent. // // +-------------+ // +-------| Main Thread | @@ -80,8 +81,9 @@ type ShuffleExec struct { prepared bool executed bool - splitter partitionSplitter - dataSource Executor + // each dataSource has a corresponding spliter + splitters []partitionSplitter + dataSources []Executor finishCh chan struct{} outputCh chan *shuffleOutput @@ -95,8 +97,11 @@ type shuffleOutput struct { // Open implements the Executor Open interface. func (e *ShuffleExec) Open(ctx context.Context) error { - if err := e.dataSource.Open(ctx); err != nil { - return err + for _, s := range e.dataSources { + if err := s.Open(ctx); err != nil { + return err + } + } if err := e.baseExecutor.Open(ctx); err != nil { return err @@ -109,8 +114,11 @@ func (e *ShuffleExec) Open(ctx context.Context) error { for _, w := range e.workers { w.finishCh = e.finishCh - w.inputCh = make(chan *chunk.Chunk, 1) - w.inputHolderCh = make(chan *chunk.Chunk, 1) + for _, r := range w.receivers { + r.inputCh = make(chan *chunk.Chunk, 1) + r.inputHolderCh = make(chan *chunk.Chunk, 1) + } + w.outputCh = e.outputCh w.outputHolderCh = make(chan *chunk.Chunk, 1) @@ -118,7 +126,9 @@ func (e *ShuffleExec) Open(ctx context.Context) error { return err } - w.inputHolderCh <- newFirstChunk(e.dataSource) + for i, r := range w.receivers { + r.inputHolderCh <- newFirstChunk(e.dataSources[i]) + } w.outputHolderCh <- newFirstChunk(e) } @@ -129,15 +139,19 @@ func (e *ShuffleExec) Open(ctx context.Context) error { func (e *ShuffleExec) Close() error { if !e.prepared { for _, w := range e.workers { - close(w.inputHolderCh) - close(w.inputCh) + for _, r := range w.receivers { + close(r.inputHolderCh) + close(r.inputCh) + } close(w.outputHolderCh) } close(e.outputCh) } close(e.finishCh) for _, w := range e.workers { - for range w.inputCh { + for _, r := range w.receivers { + for range r.inputCh { + } } } for range e.outputCh { // workers exit before `e.outputCh` is closed. @@ -150,16 +164,27 @@ func (e *ShuffleExec) Close() error { e.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.RegisterStats(e.id, runtimeStats) } - err := e.dataSource.Close() - err1 := e.baseExecutor.Close() - if err != nil { - return errors.Trace(err) + // close dataSources + errArr := make([]error, len(e.dataSources)) + for i, dataSource := range e.dataSources { + errArr[i] = dataSource.Close() } - return errors.Trace(err1) + // close baseExecutor + baseCloseErr := e.baseExecutor.Close() + // check close error + for _, err := range errArr { + if err != nil { + return errors.Trace(err) + } + } + return errors.Trace(baseCloseErr) } func (e *ShuffleExec) prepare4ParallelExec(ctx context.Context) { - go e.fetchDataAndSplit(ctx) + // create a goroutine for each dataSource to fetch and split data + for i := range e.dataSources { + go e.fetchDataAndSplit(ctx, i) + } waitGroup := &sync.WaitGroup{} waitGroup.Add(len(e.workers)) @@ -213,25 +238,25 @@ func recoveryShuffleExec(output chan *shuffleOutput, r interface{}) { logutil.BgLogger().Error("shuffle panicked", zap.Error(err), zap.Stack("stack")) } -func (e *ShuffleExec) fetchDataAndSplit(ctx context.Context) { +func (e *ShuffleExec) fetchDataAndSplit(ctx context.Context, dataSourceIndex int) { var ( err error workerIndices []int ) results := make([]*chunk.Chunk, len(e.workers)) - chk := newFirstChunk(e.dataSource) + chk := newFirstChunk(e.dataSources[dataSourceIndex]) defer func() { if r := recover(); r != nil { recoveryShuffleExec(e.outputCh, r) } for _, w := range e.workers { - close(w.inputCh) + close(w.receivers[dataSourceIndex].inputCh) } }() for { - err = Next(ctx, e.dataSource, chk) + err = Next(ctx, e.dataSources[dataSourceIndex], chk) if err != nil { e.outputCh <- &shuffleOutput{err: err} return @@ -240,7 +265,7 @@ func (e *ShuffleExec) fetchDataAndSplit(ctx context.Context) { break } - workerIndices, err = e.splitter.split(e.ctx, chk, workerIndices) + workerIndices, err = e.splitters[dataSourceIndex].split(e.ctx, chk, workerIndices) if err != nil { e.outputCh <- &shuffleOutput{err: err} return @@ -254,47 +279,40 @@ func (e *ShuffleExec) fetchDataAndSplit(ctx context.Context) { select { case <-e.finishCh: return - case results[workerIdx] = <-w.inputHolderCh: + case results[workerIdx] = <-w.receivers[dataSourceIndex].inputHolderCh: break } } results[workerIdx].AppendRow(chk.GetRow(i)) if results[workerIdx].IsFull() { - w.inputCh <- results[workerIdx] + w.receivers[dataSourceIndex].inputCh <- results[workerIdx] results[workerIdx] = nil } } } for i, w := range e.workers { if results[i] != nil { - w.inputCh <- results[i] + w.receivers[dataSourceIndex].inputCh <- results[i] results[i] = nil } } } -var _ Executor = &shuffleWorker{} +var _ Executor = &shuffleReceiver{} -// shuffleWorker is the multi-thread worker executing child executors within "partition". -type shuffleWorker struct { +// shuffleReceiver receives chunk from dataSource through inputCh +type shuffleReceiver struct { baseExecutor - childExec Executor finishCh <-chan struct{} executed bool - // Workers get inputs from dataFetcherThread by `inputCh`, - // and output results to main thread by `outputCh`. - // `inputHolderCh` and `outputHolderCh` are "Chunk Holder" channels of `inputCh` and `outputCh` respectively, - // which give the `*Chunk` back, to implement the data transport in a streaming manner. - inputCh chan *chunk.Chunk - inputHolderCh chan *chunk.Chunk - outputCh chan *shuffleOutput - outputHolderCh chan *chunk.Chunk + inputCh chan *chunk.Chunk + inputHolderCh chan *chunk.Chunk } // Open implements the Executor Open interface. -func (e *shuffleWorker) Open(ctx context.Context) error { +func (e *shuffleReceiver) Open(ctx context.Context) error { if err := e.baseExecutor.Open(ctx); err != nil { return err } @@ -303,13 +321,13 @@ func (e *shuffleWorker) Open(ctx context.Context) error { } // Close implements the Executor Close interface. -func (e *shuffleWorker) Close() error { +func (e *shuffleReceiver) Close() error { return errors.Trace(e.baseExecutor.Close()) } // Next implements the Executor Next interface. // It is called by `Tail` executor within "shuffle", to fetch data from `DataSource` by `inputCh`. -func (e *shuffleWorker) Next(ctx context.Context, req *chunk.Chunk) error { +func (e *shuffleReceiver) Next(ctx context.Context, req *chunk.Chunk) error { req.Reset() if e.executed { return nil @@ -329,6 +347,19 @@ func (e *shuffleWorker) Next(ctx context.Context, req *chunk.Chunk) error { } } +// shuffleWorker is the multi-thread worker executing child executors within "partition". +type shuffleWorker struct { + childExec Executor + + finishCh <-chan struct{} + + // each receiver corresponse to a dataSource + receivers []*shuffleReceiver + + outputCh chan *shuffleOutput + outputHolderCh chan *chunk.Chunk +} + func (e *shuffleWorker) run(ctx context.Context, waitGroup *sync.WaitGroup) { defer func() { if r := recover(); r != nil { diff --git a/planner/core/explain.go b/planner/core/explain.go index 0df1abd644452..0940e6b4281ea 100644 --- a/planner/core/explain.go +++ b/planner/core/explain.go @@ -788,8 +788,13 @@ func (p *PhysicalWindow) ExplainInfo() string { // ExplainInfo implements Plan interface. func (p *PhysicalShuffle) ExplainInfo() string { + explainIds := make([]fmt.Stringer, len(p.DataSources)) + for i := range p.DataSources { + explainIds[i] = p.DataSources[i].ExplainID() + } + buffer := bytes.NewBufferString("") - fmt.Fprintf(buffer, "execution info: concurrency:%v, data source:%v", p.Concurrency, p.DataSource.ExplainID()) + fmt.Fprintf(buffer, "execution info: concurrency:%v, data sources:%v", p.Concurrency, explainIds) return buffer.String() } diff --git a/planner/core/initialize.go b/planner/core/initialize.go index 2926268f1e9ec..e156365249960 100644 --- a/planner/core/initialize.go +++ b/planner/core/initialize.go @@ -216,9 +216,9 @@ func (p PhysicalShuffle) Init(ctx sessionctx.Context, stats *property.StatsInfo, return &p } -// Init initializes PhysicalShuffleDataSourceStub. -func (p PhysicalShuffleDataSourceStub) Init(ctx sessionctx.Context, stats *property.StatsInfo, offset int, props ...*property.PhysicalProperty) *PhysicalShuffleDataSourceStub { - p.basePhysicalPlan = newBasePhysicalPlan(ctx, plancodec.TypeShuffleDataSourceStub, &p, offset) +// Init initializes PhysicalShuffleReceiverStub. +func (p PhysicalShuffleReceiverStub) Init(ctx sessionctx.Context, stats *property.StatsInfo, offset int, props ...*property.PhysicalProperty) *PhysicalShuffleReceiverStub { + p.basePhysicalPlan = newBasePhysicalPlan(ctx, plancodec.TypeShuffleReceiver, &p, offset) p.childrenReqProps = props p.stats = stats return &p diff --git a/planner/core/physical_plans.go b/planner/core/physical_plans.go index 1e68984b6e4f7..a94249e59d5f6 100644 --- a/planner/core/physical_plans.go +++ b/planner/core/physical_plans.go @@ -60,7 +60,7 @@ var ( _ PhysicalPlan = &PhysicalUnionScan{} _ PhysicalPlan = &PhysicalWindow{} _ PhysicalPlan = &PhysicalShuffle{} - _ PhysicalPlan = &PhysicalShuffleDataSourceStub{} + _ PhysicalPlan = &PhysicalShuffleReceiverStub{} _ PhysicalPlan = &BatchPointGetPlan{} ) @@ -1235,7 +1235,7 @@ func (p *PhysicalWindow) ExtractCorrelatedCols() []*expression.CorrelatedColumn } // PhysicalShuffle represents a shuffle plan. -// `Tail` and `DataSource` are the last plan within and the first plan following the "shuffle", respectively, +// `Tails` and `DataSources` are the last plan within and the first plan following the "shuffle", respectively, // to build the child executors chain. // Take `Window` operator for example: // Shuffle -> Window -> Sort -> DataSource, will be separated into: @@ -1246,11 +1246,12 @@ type PhysicalShuffle struct { basePhysicalPlan Concurrency int - Tail PhysicalPlan - DataSource PhysicalPlan + Tails []PhysicalPlan + DataSources []PhysicalPlan SplitterType PartitionSplitterType - HashByItems []expression.Expression + // each DataSource has an array of HashByItems + HashByItemArrays [][]expression.Expression } // PartitionSplitterType is the type of `Shuffle` executor splitter, which splits data source into partitions. @@ -1261,13 +1262,13 @@ const ( PartitionHashSplitterType = iota ) -// PhysicalShuffleDataSourceStub represents a data source stub of `PhysicalShuffle`, +// PhysicalShuffleReceiverStub represents a receiver stub of `PhysicalShuffle`, // and actually, is executed by `executor.shuffleWorker`. -type PhysicalShuffleDataSourceStub struct { +type PhysicalShuffleReceiverStub struct { physicalSchemaProducer - // Worker points to `executor.shuffleWorker`. - Worker unsafe.Pointer + // Worker points to `executor.shuffleReceiver`. + Receiver unsafe.Pointer } // CollectPlanStatsVersion uses to collect the statistics version of the plan. diff --git a/planner/core/plan.go b/planner/core/plan.go index a60381552492a..7cc495247cb6f 100644 --- a/planner/core/plan.go +++ b/planner/core/plan.go @@ -126,11 +126,11 @@ func optimizeByShuffle4Window(pp *PhysicalWindow, ctx sessionctx.Context) *Physi } reqProp := &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64} shuffle := PhysicalShuffle{ - Concurrency: concurrency, - Tail: tail, - DataSource: dataSource, - SplitterType: PartitionHashSplitterType, - HashByItems: byItems, + Concurrency: concurrency, + Tails: []PhysicalPlan{tail}, + DataSources: []PhysicalPlan{dataSource}, + SplitterType: PartitionHashSplitterType, + HashByItemArrays: [][]expression.Expression{byItems}, }.Init(ctx, pp.statsInfo(), pp.SelectBlockOffset(), reqProp) return shuffle } diff --git a/planner/core/resolve_indices.go b/planner/core/resolve_indices.go index 8f4a35f2211bd..f87e7c79e8353 100644 --- a/planner/core/resolve_indices.go +++ b/planner/core/resolve_indices.go @@ -498,11 +498,15 @@ func (p *PhysicalShuffle) ResolveIndices() (err error) { if err != nil { return err } - for i := range p.HashByItems { - // "Shuffle" get value of items from `DataSource`, other than children[0]. - p.HashByItems[i], err = p.HashByItems[i].ResolveIndices(p.DataSource.Schema()) - if err != nil { - return err + // There may be one or more DataSource + for i := range p.HashByItemArrays { + // Each DataSource has an array of HashByItems + for j := range p.HashByItemArrays[i] { + // "Shuffle" get value of items from `DataSource`, other than children[0]. + p.HashByItemArrays[i][j], err = p.HashByItemArrays[i][j].ResolveIndices(p.DataSources[i].Schema()) + if err != nil { + return err + } } } return err diff --git a/planner/core/stringer.go b/planner/core/stringer.go index b005d097ebb51..a7a5e02e95873 100644 --- a/planner/core/stringer.go +++ b/planner/core/stringer.go @@ -266,8 +266,8 @@ func toString(in Plan, strs []string, idxs []int) ([]string, []int) { str = fmt.Sprintf("Window(%s)", x.ExplainInfo()) case *PhysicalShuffle: str = fmt.Sprintf("Partition(%s)", x.ExplainInfo()) - case *PhysicalShuffleDataSourceStub: - str = fmt.Sprintf("PartitionDataSourceStub(%s)", x.ExplainInfo()) + case *PhysicalShuffleReceiverStub: + str = fmt.Sprintf("PartitionReceiverStub(%s)", x.ExplainInfo()) case *PointGetPlan: str = fmt.Sprintf("PointGet(") if x.IndexInfo != nil { diff --git a/planner/core/testdata/plan_suite_out.json b/planner/core/testdata/plan_suite_out.json index d2c771a448cf5..30f825afe345d 100644 --- a/planner/core/testdata/plan_suite_out.json +++ b/planner/core/testdata/plan_suite_out.json @@ -1882,7 +1882,7 @@ }, { "SQL": "select lead(a, 1) over (partition by b) as c from t", - "Best": "TableReader(Table(t))->Sort->Window(lead(test.t.a, 1)->Column#14 over(partition by test.t.b))->Partition(execution info: concurrency:4, data source:TableReader_10)->Projection" + "Best": "TableReader(Table(t))->Sort->Window(lead(test.t.a, 1)->Column#14 over(partition by test.t.b))->Partition(execution info: concurrency:4, data sources:[TableReader_10])->Projection" } ] }, diff --git a/planner/core/testdata/plan_suite_unexported_out.json b/planner/core/testdata/plan_suite_unexported_out.json index 776ef1757e22b..d0e73580b0a38 100644 --- a/planner/core/testdata/plan_suite_unexported_out.json +++ b/planner/core/testdata/plan_suite_unexported_out.json @@ -257,8 +257,8 @@ "Name": "TestWindowParallelFunction", "Cases": [ "TableReader(Table(t))->Window(avg(cast(test.t.a, decimal(65,30) BINARY))->Column#14 over(partition by test.t.a))->Projection", - "TableReader(Table(t))->Sort->Window(avg(cast(test.t.a, decimal(65,30) BINARY))->Column#14 over(partition by test.t.b))->Partition(execution info: concurrency:4, data source:TableReader_10)->Projection", - "IndexReader(Index(t.f)[[NULL,+inf]])->Projection->Sort->Window(avg(cast(Column#16, decimal(24,4) BINARY))->Column#17 over(partition by Column#15))->Partition(execution info: concurrency:4, data source:Projection_8)->Projection", + "TableReader(Table(t))->Sort->Window(avg(cast(test.t.a, decimal(65,30) BINARY))->Column#14 over(partition by test.t.b))->Partition(execution info: concurrency:4, data sources:[TableReader_10])->Projection", + "IndexReader(Index(t.f)[[NULL,+inf]])->Projection->Sort->Window(avg(cast(Column#16, decimal(24,4) BINARY))->Column#17 over(partition by Column#15))->Partition(execution info: concurrency:4, data sources:[Projection_8])->Projection", "TableReader(Table(t))->Sort->Window(avg(cast(test.t.a, decimal(65,30) BINARY))->Column#14 over(order by test.t.a, test.t.b desc range between unbounded preceding and current row))->Projection", "TableReader(Table(t))->Window(avg(cast(test.t.a, decimal(65,30) BINARY))->Column#14 over(partition by test.t.a))->Projection", "[planner:1054]Unknown column 'z' in 'field list'", @@ -300,7 +300,7 @@ "[planner:1210]Incorrect arguments to nth_value", "[planner:1210]Incorrect arguments to ntile", "IndexReader(Index(t.f)[[NULL,+inf]])->Window(ntile()->Column#14 over())->Projection", - "TableReader(Table(t))->Sort->Window(avg(cast(test.t.a, decimal(65,30) BINARY))->Column#14 over(partition by test.t.b))->Partition(execution info: concurrency:4, data source:TableReader_10)->Projection", + "TableReader(Table(t))->Sort->Window(avg(cast(test.t.a, decimal(65,30) BINARY))->Column#14 over(partition by test.t.b))->Partition(execution info: concurrency:4, data sources:[TableReader_10])->Projection", "TableReader(Table(t))->Window(nth_value(test.t.i_date, 1)->Column#14 over())->Projection", "TableReader(Table(t))->Window(sum(cast(test.t.b, decimal(65,0) BINARY))->Column#15, sum(cast(test.t.c, decimal(65,0) BINARY))->Column#16 over(order by test.t.a range between unbounded preceding and current row))->Projection", "[planner:3593]You cannot use the window function 'sum' in this context.'", @@ -308,7 +308,7 @@ "[planner:3593]You cannot use the window function 'row_number' in this context.'", "TableReader(Table(t))->Sort->Window(sum(cast(test.t.c, decimal(65,0) BINARY))->Column#17 over(partition by test.t.a order by test.t.c range between unbounded preceding and current row))->Sort->Window(sum(cast(test.t.b, decimal(65,0) BINARY))->Column#18 over(order by test.t.a, test.t.b, test.t.c range between unbounded preceding and current row))->Window(sum(cast(test.t.a, decimal(65,0) BINARY))->Column#19 over(partition by test.t.a order by test.t.b range between unbounded preceding and current row))->Window(sum(cast(test.t.d, decimal(65,0) BINARY))->Column#20 over())->Projection", "[planner:3587]Window 'w1' with RANGE N PRECEDING/FOLLOWING frame requires exactly one ORDER BY expression, of numeric or temporal type", - "TableReader(Table(t))->Sort->Window(dense_rank()->Column#14 over(partition by test.t.b order by test.t.a desc, test.t.b desc))->Partition(execution info: concurrency:4, data source:TableReader_9)->Projection", + "TableReader(Table(t))->Sort->Window(dense_rank()->Column#14 over(partition by test.t.b order by test.t.a desc, test.t.b desc))->Partition(execution info: concurrency:4, data sources:[TableReader_9])->Projection", "[planner:3587]Window 'w1' with RANGE N PRECEDING/FOLLOWING frame requires exactly one ORDER BY expression, of numeric or temporal type", "[planner:3585]Window 'w1': frame end cannot be UNBOUNDED PRECEDING.", "[planner:3584]Window 'w1': frame start cannot be UNBOUNDED FOLLOWING.", @@ -322,7 +322,7 @@ "[planner:3586]Window 'w': frame start or end is negative, NULL or of non-integral type", "[planner:3586]Window 'w': frame start or end is negative, NULL or of non-integral type", "[planner:3586]Window 'w': frame start or end is negative, NULL or of non-integral type", - "TableReader(Table(t))->Sort->Window(row_number()->Column#14 over(partition by test.t.b))->Partition(execution info: concurrency:4, data source:TableReader_10)->Projection" + "TableReader(Table(t))->Sort->Window(row_number()->Column#14 over(partition by test.t.b))->Partition(execution info: concurrency:4, data sources:[TableReader_10])->Projection" ] }, { diff --git a/util/plancodec/id.go b/util/plancodec/id.go index ec27e00da4225..ea52b48250fd4 100644 --- a/util/plancodec/id.go +++ b/util/plancodec/id.go @@ -92,8 +92,8 @@ const ( TypeWindow = "Window" // TypeShuffle is the type of Shuffle. TypeShuffle = "Shuffle" - // TypeShuffleDataSourceStub is the type of Shuffle. - TypeShuffleDataSourceStub = "ShuffleDataSourceStub" + // TypeShuffleReceiver is the type of Shuffle. + TypeShuffleReceiver = "ShuffleReceiver" // TypeTiKVSingleGather is the type of TiKVSingleGather. TypeTiKVSingleGather = "TiKVSingleGather" // TypeIndexMerge is the type of IndexMergeReader From 4897ecdba20c5a23e5905e98553d436146082cee Mon Sep 17 00:00:00 2001 From: RogerYK Date: Tue, 24 Nov 2020 11:33:24 +0800 Subject: [PATCH 0273/1021] planner, type: fix AggFieldType error when encouter unsigned and sign type (#21062) --- expression/constant.go | 8 +++-- planner/core/expression_rewriter_test.go | 36 ++++++++++++++++++++++ types/etc.go | 9 ++++++ types/field_type.go | 29 ++++++++++++++++-- types/field_type_test.go | 38 ++++++++++++++++++++++++ 5 files changed, 115 insertions(+), 5 deletions(-) diff --git a/expression/constant.go b/expression/constant.go index d8c61a8d4523b..f7fd64eebf3e9 100644 --- a/expression/constant.go +++ b/expression/constant.go @@ -28,17 +28,21 @@ import ( // NewOne stands for a number 1. func NewOne() *Constant { + retT := types.NewFieldType(mysql.TypeTiny) + retT.Flag |= mysql.UnsignedFlag // shrink range to avoid integral promotion return &Constant{ Value: types.NewDatum(1), - RetType: types.NewFieldType(mysql.TypeTiny), + RetType: retT, } } // NewZero stands for a number 0. func NewZero() *Constant { + retT := types.NewFieldType(mysql.TypeTiny) + retT.Flag |= mysql.UnsignedFlag // shrink range to avoid integral promotion return &Constant{ Value: types.NewDatum(0), - RetType: types.NewFieldType(mysql.TypeTiny), + RetType: retT, } } diff --git a/planner/core/expression_rewriter_test.go b/planner/core/expression_rewriter_test.go index 54497936cb7df..2f2801697fe0f 100644 --- a/planner/core/expression_rewriter_test.go +++ b/planner/core/expression_rewriter_test.go @@ -307,3 +307,39 @@ func (s *testExpressionRewriterSuite) TestIssue20007(c *C) { testkit.Rows("2 epic wiles 2020-01-02 23:29:51", "3 silly burnell 2020-02-25 07:43:07")) } } + +func (s *testExpressionRewriterSuite) TestIssue9869(c *C) { + defer testleak.AfterTest(c)() + store, dom, err := newStoreWithBootstrap() + c.Assert(err, IsNil) + tk := testkit.NewTestKit(c, store) + defer func() { + dom.Close() + store.Close() + }() + + tk.MustExec("use test;") + tk.MustExec("drop table if exists t1;") + tk.MustExec("create table t1(a int, b bigint unsigned);") + tk.MustExec("insert into t1 (a, b) values (1,4572794622775114594), (2,18196094287899841997),(3,11120436154190595086);") + tk.MustQuery("select (case t1.a when 0 then 0 else t1.b end), cast(t1.b as signed) from t1;").Check( + testkit.Rows("4572794622775114594 4572794622775114594", "18196094287899841997 -250649785809709619", "11120436154190595086 -7326307919518956530")) +} + +func (s *testExpressionRewriterSuite) TestIssue17652(c *C) { + defer testleak.AfterTest(c)() + store, dom, err := newStoreWithBootstrap() + c.Assert(err, IsNil) + tk := testkit.NewTestKit(c, store) + defer func() { + dom.Close() + store.Close() + }() + + tk.MustExec("use test;") + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t(x bigint unsigned);") + tk.MustExec("insert into t values( 9999999703771440633);") + tk.MustQuery("select ifnull(max(x), 0) from t").Check( + testkit.Rows("9999999703771440633")) +} diff --git a/types/etc.go b/types/etc.go index 94f932c1d9bb3..80a63d57ffd02 100644 --- a/types/etc.go +++ b/types/etc.go @@ -64,6 +64,15 @@ func IsTypeTime(tp byte) bool { return tp == mysql.TypeDatetime || tp == mysql.TypeDate || tp == mysql.TypeTimestamp } +// IsTypeInteger returns a boolean indicating whether the tp is integer type. +func IsTypeInteger(tp byte) bool { + switch tp { + case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong, mysql.TypeYear: + return true + } + return false +} + // IsTypeNumeric returns a boolean indicating whether the tp is numeric type. func IsTypeNumeric(tp byte) bool { switch tp { diff --git a/types/field_type.go b/types/field_type.go index af7d6db4dcbc0..d46b570424676 100644 --- a/types/field_type.go +++ b/types/field_type.go @@ -66,15 +66,38 @@ func NewFieldTypeWithCollation(tp byte, collation string, length int) *FieldType // Aggregation is performed by MergeFieldType function. func AggFieldType(tps []*FieldType) *FieldType { var currType FieldType + isMixedSign := false for i, t := range tps { if i == 0 && currType.Tp == mysql.TypeUnspecified { currType = *t continue } mtp := MergeFieldType(currType.Tp, t.Tp) + isMixedSign = isMixedSign || (mysql.HasUnsignedFlag(currType.Flag) != mysql.HasUnsignedFlag(t.Flag)) currType.Tp = mtp currType.Flag = mergeTypeFlag(currType.Flag, t.Flag) } + // integral promotion when tps contains signed and unsigned + if isMixedSign && IsTypeInteger(currType.Tp) { + bumpRange := false // indicate one of tps bump currType range + for _, t := range tps { + bumpRange = bumpRange || (mysql.HasUnsignedFlag(t.Flag) && (t.Tp == currType.Tp || t.Tp == mysql.TypeBit)) + } + if bumpRange { + switch currType.Tp { + case mysql.TypeTiny: + currType.Tp = mysql.TypeShort + case mysql.TypeShort: + currType.Tp = mysql.TypeInt24 + case mysql.TypeInt24: + currType.Tp = mysql.TypeLong + case mysql.TypeLong: + currType.Tp = mysql.TypeLonglong + case mysql.TypeLonglong: + currType.Tp = mysql.TypeNewDecimal + } + } + } return &currType } @@ -311,10 +334,10 @@ func MergeFieldType(a byte, b byte) byte { } // mergeTypeFlag merges two MySQL type flag to a new one -// currently only NotNullFlag is checked -// todo more flag need to be checked, for example: UnsignedFlag +// currently only NotNullFlag and UnsignedFlag is checked +// todo more flag need to be checked func mergeTypeFlag(a, b uint) uint { - return a & (b&mysql.NotNullFlag | ^mysql.NotNullFlag) + return a & (b&mysql.NotNullFlag | ^mysql.NotNullFlag) & (b&mysql.UnsignedFlag | ^mysql.UnsignedFlag) } func getFieldTypeIndex(tp byte) int { diff --git a/types/field_type_test.go b/types/field_type_test.go index 8381398935d6e..08522b1025cca 100644 --- a/types/field_type_test.go +++ b/types/field_type_test.go @@ -327,6 +327,44 @@ func (s *testFieldTypeSuite) TestAggFieldTypeForTypeFlag(c *C) { c.Assert(aggTp.Flag, Equals, mysql.NotNullFlag) } +func (s testFieldTypeSuite) TestAggFieldTypeForIntegralPromotion(c *C) { + fts := []*FieldType{ + NewFieldType(mysql.TypeTiny), + NewFieldType(mysql.TypeShort), + NewFieldType(mysql.TypeInt24), + NewFieldType(mysql.TypeLong), + NewFieldType(mysql.TypeLonglong), + NewFieldType(mysql.TypeNewDecimal), + } + + for i := 1; i < len(fts)-1; i++ { + tps := fts[i-1 : i+1] + + tps[0].Flag = 0 + tps[1].Flag = 0 + aggTp := AggFieldType(tps) + c.Assert(aggTp.Tp, Equals, fts[i].Tp) + c.Assert(aggTp.Flag, Equals, uint(0)) + + tps[0].Flag = mysql.UnsignedFlag + aggTp = AggFieldType(tps) + c.Assert(aggTp.Tp, Equals, fts[i].Tp) + c.Assert(aggTp.Flag, Equals, uint(0)) + + tps[0].Flag = mysql.UnsignedFlag + tps[1].Flag = mysql.UnsignedFlag + aggTp = AggFieldType(tps) + c.Assert(aggTp.Tp, Equals, fts[i].Tp) + c.Assert(aggTp.Flag, Equals, mysql.UnsignedFlag) + + tps[0].Flag = 0 + tps[1].Flag = mysql.UnsignedFlag + aggTp = AggFieldType(tps) + c.Assert(aggTp.Tp, Equals, fts[i+1].Tp) + c.Assert(aggTp.Flag, Equals, uint(0)) + } +} + func (s *testFieldTypeSuite) TestAggregateEvalType(c *C) { defer testleak.AfterTest(c)() fts := []*FieldType{ From 8808a65d49a3e0069006c4c75fbdf3e656ad7538 Mon Sep 17 00:00:00 2001 From: Rain Li Date: Tue, 24 Nov 2020 11:54:54 +0800 Subject: [PATCH 0274/1021] planner: fix should not use point get plan (#21124) --- planner/core/point_get_plan.go | 49 +++++++ planner/core/point_get_plan_test.go | 36 +++++ planner/core/testdata/point_get_plan_in.json | 17 +++ planner/core/testdata/point_get_plan_out.json | 132 ++++++++++++++++++ 4 files changed, 234 insertions(+) diff --git a/planner/core/point_get_plan.go b/planner/core/point_get_plan.go index c6cf3b25260a9..92de0d683705f 100644 --- a/planner/core/point_get_plan.go +++ b/planner/core/point_get_plan.go @@ -25,6 +25,7 @@ import ( "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/opcode" "github.com/pingcap/parser/terror" + ptypes "github.com/pingcap/parser/types" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/kv" @@ -518,6 +519,9 @@ func newBatchPointGetPlan( if d.IsNull() { return nil } + if !checkCanConvertInPointGet(handleCol, d) { + return nil + } intDatum, err := d.ConvertTo(ctx.GetSessionVars().StmtCtx, &handleCol.FieldType) if err != nil { return nil @@ -540,6 +544,14 @@ func newBatchPointGetPlan( // The columns in where clause should be covered by unique index var matchIdxInfo *model.IndexInfo permutations := make([]int, len(whereColNames)) + colInfos := make([]*model.ColumnInfo, len(whereColNames)) + for i, innerCol := range whereColNames { + for _, col := range tbl.Columns { + if col.Name.L == innerCol { + colInfos[i] = col + } + } + } for _, idxInfo := range tbl.Indices { if !idxInfo.Unique || idxInfo.State != model.StatePublic || idxInfo.Invisible { continue @@ -592,8 +604,14 @@ func newBatchPointGetPlan( permIndex := permutations[index] switch innerX := inner.(type) { case *driver.ValueExpr: + if !checkCanConvertInPointGet(colInfos[index], innerX.Datum) { + return nil + } values[permIndex] = innerX.Datum case *driver.ParamMarkerExpr: + if !checkCanConvertInPointGet(colInfos[index], innerX.Datum) { + return nil + } values[permIndex] = innerX.Datum valuesParams[permIndex] = innerX default: @@ -601,8 +619,14 @@ func newBatchPointGetPlan( } } case *driver.ValueExpr: + if !checkCanConvertInPointGet(colInfos[0], x.Datum) { + return nil + } values = []types.Datum{x.Datum} case *driver.ParamMarkerExpr: + if !checkCanConvertInPointGet(colInfos[0], x.Datum) { + return nil + } values = []types.Datum{x.Datum} valuesParams = []*driver.ParamMarkerExpr{x} default: @@ -1017,6 +1041,9 @@ func getNameValuePairs(stmtCtx *stmtctx.StatementContext, tbl *model.TableInfo, (col.Tp == mysql.TypeString && col.Collate == charset.CollationBin) { // This type we needn't to pad `\0` in here. return append(nvPairs, nameValuePair{colName: colName.Name.Name.L, value: d, param: param}), false } + if !checkCanConvertInPointGet(col, d) { + return nil, false + } dVal, err := d.ConvertTo(stmtCtx, &col.FieldType) if err != nil { if terror.ErrorEqual(types.ErrOverflow, err) { @@ -1040,6 +1067,28 @@ func getNameValuePairs(stmtCtx *stmtctx.StatementContext, tbl *model.TableInfo, return nil, false } +func checkCanConvertInPointGet(col *model.ColumnInfo, d types.Datum) bool { + kind := d.Kind() + switch col.FieldType.EvalType() { + case ptypes.ETString: + switch kind { + case types.KindInt64, types.KindUint64, + types.KindFloat32, types.KindFloat64, types.KindMysqlDecimal: + // column type is String and constant type is numeric + return false + } + } + switch col.FieldType.Tp { + case mysql.TypeBit: + switch kind { + case types.KindString: + // column type is Bit and constant type is string + return false + } + } + return true +} + func findPKHandle(tblInfo *model.TableInfo, pairs []nameValuePair) (handlePair nameValuePair, fieldType *types.FieldType) { if !tblInfo.PKIsHandle { rowIDIdx := findInPairs("_tidb_rowid", pairs) diff --git a/planner/core/point_get_plan_test.go b/planner/core/point_get_plan_test.go index 91c2ff0c5cc5a..d763548914fd4 100644 --- a/planner/core/point_get_plan_test.go +++ b/planner/core/point_get_plan_test.go @@ -458,6 +458,7 @@ func (s *testPointGetSuite) TestIssue19141(c *C) { func (s *testPointGetSuite) TestSelectInMultiColumns(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") + tk.MustExec("drop table if exists t2") tk.MustExec("create table t2(a int, b int, c int, primary key(a, b, c));") tk.MustExec("insert into t2 values (1, 1, 1), (2, 2, 2), (3, 3, 3), (4, 4, 4)") tk.MustQuery("select * from t2 where (a, b, c) in ((1, 1, 1));").Check(testkit.Rows("1 1 1")) @@ -562,3 +563,38 @@ func (s *testPointGetSuite) TestBatchPointGetWithInvisibleIndex(c *C) { " └─TableFullScan_5 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", )) } + +func (s *testPointGetSuite) TestCBOShouldNotUsePointGet(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop tables if exists t1, t2, t3, t4, t5") + tk.MustExec("create table t1(id varchar(20) primary key)") + tk.MustExec("create table t2(id varchar(20), unique(id))") + tk.MustExec("create table t3(id varchar(20), d varchar(20), unique(id, d))") + tk.MustExec("create table t4(id int, d varchar(20), c varchar(20), unique(id, d))") + tk.MustExec("create table t5(id bit(64) primary key)") + tk.MustExec("insert into t1 values('asdf'), ('1asdf')") + tk.MustExec("insert into t2 values('asdf'), ('1asdf')") + tk.MustExec("insert into t3 values('asdf', 't'), ('1asdf', 't')") + tk.MustExec("insert into t4 values(1, 'b', 'asdf'), (1, 'c', 'jkl'), (1, 'd', '1jkl')") + tk.MustExec("insert into t5 values(48)") + + var input []string + var output []struct { + SQL string + Plan []string + Res []string + } + s.testData.GetTestCases(c, &input, &output) + for i, sql := range input { + plan := tk.MustQuery("explain " + sql) + res := tk.MustQuery(sql) + s.testData.OnRecord(func() { + output[i].SQL = sql + output[i].Plan = s.testData.ConvertRowsToStrings(plan.Rows()) + output[i].Res = s.testData.ConvertRowsToStrings(res.Rows()) + }) + plan.Check(testkit.Rows(output[i].Plan...)) + res.Check(testkit.Rows(output[i].Res...)) + } +} diff --git a/planner/core/testdata/point_get_plan_in.json b/planner/core/testdata/point_get_plan_in.json index 44fa5efa4eacd..5b8e22abeb8c5 100644 --- a/planner/core/testdata/point_get_plan_in.json +++ b/planner/core/testdata/point_get_plan_in.json @@ -9,5 +9,22 @@ "select * from t t1 join t t2 on t1.a = t2.a where t1.a = '4' and (t2.b, t2.c) in ((1,1),(2,2))", "select * from t where (t.b, t.c) in ((2,2), (3,3), (4,4)) order by t.b, t.c" ] + }, + { + "name": "TestCBOShouldNotUsePointGet", + "cases": [ + "select * from t1 where id = 0", + "select * from t1 where id = x'00'", + "select * from t1 where id = b'00'", + "select * from t1 where id = 0.0", + "select * from t1 where id = 1.0", + "select * from t1 where id in (0, 1)", + "select * from t2 where id = 0", + "select * from t2 where id in (0, 1)", + "select * from t3 where (id, d) in ((0, 't'), (1, 't'))", + "select * from t4 where (id, d, c) in ((1, 'b', 0))", + "select * from t4 where (id, d, c) in ((1, 0, 0))", + "select * from t5 where id in ('0')" + ] } ] diff --git a/planner/core/testdata/point_get_plan_out.json b/planner/core/testdata/point_get_plan_out.json index 5b9349a05e984..56ae32459f5db 100644 --- a/planner/core/testdata/point_get_plan_out.json +++ b/planner/core/testdata/point_get_plan_out.json @@ -67,5 +67,137 @@ ] } ] + }, + { + "Name": "TestCBOShouldNotUsePointGet", + "Cases": [ + { + "SQL": "select * from t1 where id = 0", + "Plan": [ + "TableReader_7 8000.00 root data:Selection_6", + "└─Selection_6 8000.00 cop[tikv] eq(cast(test.t1.id), 0)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "Res": [ + "asdf" + ] + }, + { + "SQL": "select * from t1 where id = x'00'", + "Plan": [ + "Point_Get_1 1.00 root table:t1, clustered index:PRIMARY(id) " + ], + "Res": [] + }, + { + "SQL": "select * from t1 where id = b'00'", + "Plan": [ + "Point_Get_1 1.00 root table:t1, clustered index:PRIMARY(id) " + ], + "Res": [] + }, + { + "SQL": "select * from t1 where id = 0.0", + "Plan": [ + "TableReader_7 8000.00 root data:Selection_6", + "└─Selection_6 8000.00 cop[tikv] eq(cast(test.t1.id), 0)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "Res": [ + "asdf" + ] + }, + { + "SQL": "select * from t1 where id = 1.0", + "Plan": [ + "TableReader_7 8000.00 root data:Selection_6", + "└─Selection_6 8000.00 cop[tikv] eq(cast(test.t1.id), 1)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "Res": [ + "1asdf" + ] + }, + { + "SQL": "select * from t1 where id in (0, 1)", + "Plan": [ + "TableReader_7 9600.00 root data:Selection_6", + "└─Selection_6 9600.00 cop[tikv] or(eq(cast(test.t1.id), 0), eq(cast(test.t1.id), 1))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "Res": [ + "1asdf", + "asdf" + ] + }, + { + "SQL": "select * from t2 where id = 0", + "Plan": [ + "IndexReader_10 8000.00 root index:Selection_9", + "└─Selection_9 8000.00 cop[tikv] eq(cast(test.t2.id), 0)", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t2, index:id(id) keep order:false, stats:pseudo" + ], + "Res": [ + "asdf" + ] + }, + { + "SQL": "select * from t2 where id in (0, 1)", + "Plan": [ + "IndexReader_10 9600.00 root index:Selection_9", + "└─Selection_9 9600.00 cop[tikv] or(eq(cast(test.t2.id), 0), eq(cast(test.t2.id), 1))", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t2, index:id(id) keep order:false, stats:pseudo" + ], + "Res": [ + "1asdf", + "asdf" + ] + }, + { + "SQL": "select * from t3 where (id, d) in ((0, 't'), (1, 't'))", + "Plan": [ + "IndexReader_10 15.99 root index:Selection_9", + "└─Selection_9 15.99 cop[tikv] or(and(eq(cast(test.t3.id), 0), eq(test.t3.d, \"t\")), and(eq(cast(test.t3.id), 1), eq(test.t3.d, \"t\")))", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t3, index:id(id, d) keep order:false, stats:pseudo" + ], + "Res": [ + "1asdf t", + "asdf t" + ] + }, + { + "SQL": "select * from t4 where (id, d, c) in ((1, 'b', 0))", + "Plan": [ + "Selection_6 0.80 root eq(cast(test.t4.c), 0)", + "└─Point_Get_5 1.00 root table:t4, index:id(id, d) " + ], + "Res": [ + "1 b asdf" + ] + }, + { + "SQL": "select * from t4 where (id, d, c) in ((1, 0, 0))", + "Plan": [ + "IndexLookUp_12 8.00 root ", + "├─Selection_10(Build) 8.00 cop[tikv] eq(cast(test.t4.d), 0)", + "│ └─IndexRangeScan_8 10.00 cop[tikv] table:t4, index:id(id, d) range:[1,1], keep order:false, stats:pseudo", + "└─Selection_11(Probe) 8.00 cop[tikv] eq(cast(test.t4.c), 0)", + " └─TableRowIDScan_9 8.00 cop[tikv] table:t4 keep order:false, stats:pseudo" + ], + "Res": [ + "1 b asdf", + "1 c jkl" + ] + }, + { + "SQL": "select * from t5 where id in ('0')", + "Plan": [ + "Selection_5 8000.00 root eq(test.t5.id, 0)", + "└─TableReader_7 10000.00 root data:TableFullScan_6", + " └─TableFullScan_6 10000.00 cop[tikv] table:t5 keep order:false, stats:pseudo" + ], + "Res": [] + } + ] } ] From afb2ab95f07aa32194928ea3dd8c58d77bd80382 Mon Sep 17 00:00:00 2001 From: 9547 Date: Tue, 24 Nov 2020 12:46:51 +0800 Subject: [PATCH 0275/1021] table: fix zero date in different sqlmode (#20206) --- executor/executor.go | 6 +- executor/write_test.go | 4 +- expression/integration_test.go | 247 ++++++++++++++++++++++++++++++++- session/session_test.go | 4 +- table/column.go | 87 +++++++++++- types/errors.go | 6 +- 6 files changed, 339 insertions(+), 15 deletions(-) diff --git a/executor/executor.go b/executor/executor.go index fc56e123bfabd..51fe15fecbf7e 100644 --- a/executor/executor.go +++ b/executor/executor.go @@ -1623,7 +1623,7 @@ func ResetContextOfStmt(ctx sessionctx.Context, s ast.StmtNode) (err error) { sc.TruncateAsWarning = !vars.StrictSQLMode || stmt.IgnoreErr sc.DividedByZeroAsWarning = !vars.StrictSQLMode || stmt.IgnoreErr sc.AllowInvalidDate = vars.SQLMode.HasAllowInvalidDatesMode() - sc.IgnoreZeroInDate = !vars.StrictSQLMode || stmt.IgnoreErr || sc.AllowInvalidDate + sc.IgnoreZeroInDate = !vars.SQLMode.HasNoZeroInDateMode() || !vars.SQLMode.HasNoZeroDateMode() || !vars.StrictSQLMode || stmt.IgnoreErr || sc.AllowInvalidDate sc.Priority = stmt.Priority case *ast.InsertStmt: sc.InInsertStmt = true @@ -1635,7 +1635,7 @@ func ResetContextOfStmt(ctx sessionctx.Context, s ast.StmtNode) (err error) { sc.TruncateAsWarning = !vars.StrictSQLMode || stmt.IgnoreErr sc.DividedByZeroAsWarning = !vars.StrictSQLMode || stmt.IgnoreErr sc.AllowInvalidDate = vars.SQLMode.HasAllowInvalidDatesMode() - sc.IgnoreZeroInDate = !vars.StrictSQLMode || stmt.IgnoreErr || sc.AllowInvalidDate + sc.IgnoreZeroInDate = !vars.SQLMode.HasNoZeroInDateMode() || !vars.SQLMode.HasNoZeroDateMode() || !vars.StrictSQLMode || stmt.IgnoreErr || sc.AllowInvalidDate sc.Priority = stmt.Priority case *ast.CreateTableStmt, *ast.AlterTableStmt: // Make sure the sql_mode is strict when checking column default value. @@ -1724,7 +1724,7 @@ func ResetUpdateStmtCtx(sc *stmtctx.StatementContext, stmt *ast.UpdateStmt, vars sc.TruncateAsWarning = !vars.StrictSQLMode || stmt.IgnoreErr sc.DividedByZeroAsWarning = !vars.StrictSQLMode || stmt.IgnoreErr sc.AllowInvalidDate = vars.SQLMode.HasAllowInvalidDatesMode() - sc.IgnoreZeroInDate = !vars.StrictSQLMode || stmt.IgnoreErr || sc.AllowInvalidDate + sc.IgnoreZeroInDate = !vars.SQLMode.HasNoZeroInDateMode() || !vars.SQLMode.HasNoZeroDateMode() || !vars.StrictSQLMode || stmt.IgnoreErr || sc.AllowInvalidDate sc.Priority = stmt.Priority } diff --git a/executor/write_test.go b/executor/write_test.go index e1f7d8a1691c1..6b18a09a380e8 100644 --- a/executor/write_test.go +++ b/executor/write_test.go @@ -1460,6 +1460,7 @@ func (s *testSuite8) TestUpdate(c *C) { "`ts` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP," + "KEY `idx` (`ts`)" + ");") + tk.MustExec("set @orig_sql_mode=@@sql_mode; set @@sql_mode='';") tk.MustExec("insert into tsup values(1, '0000-00-00 00:00:00');") tk.MustExec("update tsup set a=5;") tk.CheckLastMessage("Rows matched: 1 Changed: 1 Warnings: 0") @@ -1468,6 +1469,7 @@ func (s *testSuite8) TestUpdate(c *C) { r1.Check(r2.Rows()) tk.MustExec("update tsup set ts='2019-01-01';") tk.MustQuery("select ts from tsup;").Check(testkit.Rows("2019-01-01 00:00:00")) + tk.MustExec("set @@sql_mode=@orig_sql_mode;") // issue 5532 tk.MustExec("create table decimals (a decimal(20, 0) not null)") @@ -1520,7 +1522,7 @@ func (s *testSuite8) TestUpdate(c *C) { tk.MustExec("drop table if exists t") tk.MustExec("create table t(a datetime not null, b datetime)") tk.MustExec("insert into t value('1999-12-12', '1999-12-13')") - tk.MustExec(" set @orig_sql_mode=@@sql_mode; set @@sql_mode='';") + tk.MustExec("set @orig_sql_mode=@@sql_mode; set @@sql_mode='';") tk.MustQuery("select * from t").Check(testkit.Rows("1999-12-12 00:00:00 1999-12-13 00:00:00")) tk.MustExec("update t set a = ''") tk.MustQuery("select * from t").Check(testkit.Rows("0000-00-00 00:00:00 1999-12-13 00:00:00")) diff --git a/expression/integration_test.go b/expression/integration_test.go index 7256d567b50e9..d3aa3e56e4cfd 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -1784,8 +1784,7 @@ func (s *testIntegrationSuite2) TestTimeBuiltin(c *C) { _, err = tk.Exec(`delete from t where a = dayOfWeek(123)`) c.Assert(err, IsNil) - _, err = tk.Exec("insert into t value(dayOfMonth('2017-00-00'))") - c.Assert(table.ErrTruncatedWrongValueForField.Equal(err), IsTrue) + tk.MustExec("insert into t value(dayOfMonth('2017-00-00'))") tk.MustExec("insert into t value(dayOfMonth('0000-00-00'))") tk.MustExec(`update t set a = dayOfMonth("0000-00-00")`) tk.MustExec("set sql_mode = 'NO_ZERO_DATE';") @@ -3817,7 +3816,7 @@ func (s *testIntegrationSuite) TestAggregationBuiltinJSONObjectAgg(c *C) { i char(36), j text(50));`) - tk.MustExec(`insert into t values(1, 'ab', 5.5, '{"id": 1}', '2020-01-10', '11:12:13', '2020-01-11', '0000-00-00 00:00:00', 'first', 'json_objectagg_test');`) + tk.MustExec(`insert into t values(1, 'ab', 5.5, '{"id": 1}', '2020-01-10', '11:12:13', '2020-01-11', '2020-10-18 00:00:00', 'first', 'json_objectagg_test');`) result := tk.MustQuery("select json_objectagg(a, b) from t group by a order by a;") result.Check(testkit.Rows(`{"1": "ab"}`)) @@ -3828,9 +3827,9 @@ func (s *testIntegrationSuite) TestAggregationBuiltinJSONObjectAgg(c *C) { result = tk.MustQuery("select json_objectagg(f, g) from t group by f order by f;") result.Check(testkit.Rows(`{"11:12:13": "2020-01-11 00:00:00"}`)) result = tk.MustQuery("select json_objectagg(g, h) from t group by g order by g;") - result.Check(testkit.Rows(`{"2020-01-11 00:00:00": "0000-00-00 00:00:00"}`)) + result.Check(testkit.Rows(`{"2020-01-11 00:00:00": "2020-10-18 00:00:00"}`)) result = tk.MustQuery("select json_objectagg(h, i) from t group by h order by h;") - result.Check(testkit.Rows(`{"0000-00-00 00:00:00": "first"}`)) + result.Check(testkit.Rows(`{"2020-10-18 00:00:00": "first"}`)) result = tk.MustQuery("select json_objectagg(i, j) from t group by i order by i;") result.Check(testkit.Rows(`{"first": "json_objectagg_test"}`)) result = tk.MustQuery("select json_objectagg(a, null) from t group by a order by a;") @@ -7759,3 +7758,241 @@ func (s *testIntegrationSerialSuite) TestCollationIndexJoin(c *C) { tk.MustQuery("select /*+ inl_merge_join(t2) */ t1.b, t2.b from t1 join t2 where t1.b=t2.b").Check(testkit.Rows("a A")) tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1815 Optimizer Hint /*+ INL_MERGE_JOIN(t2) */ is inapplicable")) } + +func (s *testIntegrationSuite) TestIssue19892(c *C) { + defer s.cleanEnv(c) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("USE test") + tk.MustExec("CREATE TABLE dd(a date, b datetime, c timestamp)") + + // check NO_ZERO_DATE + { + tk.MustExec("SET sql_mode=''") + { + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(a) values('0000-00-00')") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows()) + tk.MustQuery("SELECT a FROM dd").Check(testkit.Rows("0000-00-00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(b) values('2000-10-01')") + tk.MustExec("UPDATE dd SET b = '0000-00-00'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows()) + tk.MustQuery("SELECT b FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(c) values('0000-00-00 20:00:00')") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect timestamp value: '0000-00-00 20:00:00'")) + tk.MustQuery("SELECT c FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(c) values('2000-10-01 20:00:00')") + tk.MustExec("UPDATE dd SET c = '0000-00-00 20:00:00'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect timestamp value: '0000-00-00 20:00:00'")) + tk.MustQuery("SELECT c FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + } + + tk.MustExec("SET sql_mode='NO_ZERO_DATE'") + { + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(b) values('0000-0-00')") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect datetime value: '0000-0-00'")) + tk.MustQuery("SELECT b FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(a) values('2000-10-01')") + tk.MustExec("UPDATE dd SET a = '0000-00-00'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect date value: '0000-00-00'")) + tk.MustQuery("SELECT a FROM dd").Check(testkit.Rows("0000-00-00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(c) values('2000-10-01 10:00:00')") + tk.MustExec("UPDATE dd SET c = '0000-00-00 10:00:00'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect timestamp value: '0000-00-00 10:00:00'")) + tk.MustQuery("SELECT c FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + } + + tk.MustExec("SET sql_mode='NO_ZERO_DATE,STRICT_TRANS_TABLES'") + { + tk.MustExec("TRUNCATE TABLE dd") + tk.MustGetErrMsg("INSERT INTO dd(c) VALUES ('0000-00-00 20:00:00')", "[table:1292]Incorrect timestamp value: '0000-00-00 20:00:00' for column 'c' at row 1") + tk.MustExec("INSERT IGNORE INTO dd(c) VALUES ('0000-00-00 20:00:00')") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect timestamp value: '0000-00-00 20:00:00'")) + tk.MustQuery("SELECT c FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(b) values('2000-10-01')") + tk.MustGetErrMsg("UPDATE dd SET b = '0000-00-00'", "[types:1292]Incorrect datetime value: '0000-00-00'") + tk.MustExec("UPDATE IGNORE dd SET b = '0000-00-00'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect datetime value: '0000-00-00'")) + tk.MustQuery("SELECT b FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(c) values('2000-10-01 10:00:00')") + tk.MustGetErrMsg("UPDATE dd SET c = '0000-00-00 00:00:00'", "[types:1292]Incorrect timestamp value: '0000-00-00 00:00:00'") + tk.MustExec("UPDATE IGNORE dd SET c = '0000-00-00 00:00:00'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect timestamp value: '0000-00-00 00:00:00'")) + tk.MustQuery("SELECT c FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + } + } + + // check NO_ZERO_IN_DATE + { + tk.MustExec("SET sql_mode=''") + { + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(a) values('2000-01-00')") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows()) + tk.MustQuery("SELECT a FROM dd").Check(testkit.Rows("2000-01-00")) + tk.MustExec("INSERT INTO dd(a) values('2000-00-01')") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows()) + tk.MustQuery("SELECT a FROM dd").Check(testkit.Rows("2000-01-00", "2000-00-01")) + tk.MustExec("INSERT INTO dd(a) values('0-01-02')") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows()) + tk.MustQuery("SELECT a FROM dd").Check(testkit.Rows("2000-01-00", "2000-00-01", "0000-01-02")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(b) values('2000-01-02')") + tk.MustExec("UPDATE dd SET b = '2000-00-02'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows()) + tk.MustQuery("SELECT b FROM dd").Check(testkit.Rows("2000-00-02 00:00:00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(c) values('2000-01-02 20:00:00')") + tk.MustExec("UPDATE dd SET c = '0000-01-02 20:00:00'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect timestamp value: '0000-01-02 20:00:00'")) + tk.MustQuery("SELECT c FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + } + + tk.MustExec("SET sql_mode='NO_ZERO_IN_DATE'") + { + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(a) values('2000-01-00')") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect date value: '2000-01-00'")) + tk.MustQuery("SELECT a FROM dd").Check(testkit.Rows("0000-00-00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(a) values('2000-01-02')") + tk.MustExec("UPDATE dd SET a = '2000-00-02'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect date value: '2000-00-02'")) + tk.MustQuery("SELECT a FROM dd").Check(testkit.Rows("0000-00-00")) + tk.MustExec("UPDATE dd SET b = '2000-01-0'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect datetime value: '2000-01-0'")) + tk.MustQuery("SELECT b FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + // consistent with Mysql8 + tk.MustExec("UPDATE dd SET b = '0-01-02'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows()) + tk.MustQuery("SELECT b FROM dd").Check(testkit.Rows("0000-01-02 00:00:00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(c) values('2000-01-02 20:00:00')") + tk.MustExec("UPDATE dd SET c = '2000-00-02 20:00:00'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect timestamp value: '2000-00-02 20:00:00'")) + tk.MustQuery("SELECT c FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + } + + tk.MustExec("SET sql_mode='NO_ZERO_IN_DATE,STRICT_TRANS_TABLES'") + { + tk.MustExec("TRUNCATE TABLE dd") + tk.MustGetErrMsg("INSERT INTO dd(b) VALUES ('2000-01-00')", "[table:1292]Incorrect datetime value: '2000-01-00' for column 'b' at row 1") + tk.MustExec("INSERT IGNORE INTO dd(b) VALUES ('2000-00-01')") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect datetime value: '2000-00-01'")) + tk.MustQuery("SELECT b FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(b) VALUES ('2000-01-02')") + tk.MustGetErrMsg("UPDATE dd SET b = '2000-01-00'", "[types:1292]Incorrect datetime value: '2000-01-00'") + tk.MustExec("UPDATE IGNORE dd SET b = '2000-01-0'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect datetime value: '2000-01-0'")) + tk.MustQuery("SELECT b FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + tk.MustExec("UPDATE dd SET b = '0000-1-2'") + tk.MustQuery("SELECT b FROM dd").Check(testkit.Rows("0000-01-02 00:00:00")) + tk.MustGetErrMsg("UPDATE dd SET c = '0000-01-05'", "[types:1292]Incorrect timestamp value: '0000-01-05'") + tk.MustExec("UPDATE IGNORE dd SET c = '0000-01-5'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect timestamp value: '0000-01-5'")) + tk.MustQuery("SELECT c FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustGetErrMsg("INSERT INTO dd(c) VALUES ('2000-01-00 20:00:00')", "[table:1292]Incorrect timestamp value: '2000-01-00 20:00:00' for column 'c' at row 1") + tk.MustExec("INSERT INTO dd(c) VALUES ('2000-01-02')") + tk.MustGetErrMsg("UPDATE dd SET c = '2000-01-00 20:00:00'", "[types:1292]Incorrect timestamp value: '2000-01-00 20:00:00'") + tk.MustExec("UPDATE IGNORE dd SET b = '2000-01-00'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect datetime value: '2000-01-00'")) + tk.MustQuery("SELECT b FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + } + } + + // check !NO_ZERO_DATE + tk.MustExec("SET sql_mode='ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'") + { + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(a) values('0000-00-00')") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows()) + tk.MustQuery("SELECT a FROM dd").Check(testkit.Rows("0000-00-00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(b) values('2000-10-01')") + tk.MustExec("UPDATE dd SET b = '0000-00-00'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows()) + tk.MustQuery("SELECT b FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(c) values('0000-00-00 00:00:00')") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows()) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(c) values('2000-10-01 10:00:00')") + tk.MustExec("UPDATE dd SET c = '0000-00-00 00:00:00'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows()) + tk.MustQuery("SELECT c FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustGetErrMsg("INSERT INTO dd(b) VALUES ('2000-01-00')", "[table:1292]Incorrect datetime value: '2000-01-00' for column 'b' at row 1") + tk.MustExec("INSERT IGNORE INTO dd(b) VALUES ('2000-00-01')") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect datetime value: '2000-00-01'")) + tk.MustQuery("SELECT b FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(b) VALUES ('2000-01-02')") + tk.MustGetErrMsg("UPDATE dd SET b = '2000-01-00'", "[types:1292]Incorrect datetime value: '2000-01-00'") + tk.MustExec("UPDATE IGNORE dd SET b = '2000-01-0'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect datetime value: '2000-01-0'")) + tk.MustQuery("SELECT b FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + tk.MustExec("UPDATE dd SET b = '0000-1-2'") + tk.MustQuery("SELECT b FROM dd").Check(testkit.Rows("0000-01-02 00:00:00")) + tk.MustGetErrMsg("UPDATE dd SET c = '0000-01-05'", "[types:1292]Incorrect timestamp value: '0000-01-05'") + tk.MustExec("UPDATE IGNORE dd SET c = '0000-01-5'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect timestamp value: '0000-01-5'")) + tk.MustQuery("SELECT c FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustGetErrMsg("INSERT INTO dd(c) VALUES ('2000-01-00 20:00:00')", "[table:1292]Incorrect timestamp value: '2000-01-00 20:00:00' for column 'c' at row 1") + tk.MustExec("INSERT INTO dd(c) VALUES ('2000-01-02')") + tk.MustGetErrMsg("UPDATE dd SET c = '2000-01-00 20:00:00'", "[types:1292]Incorrect timestamp value: '2000-01-00 20:00:00'") + tk.MustExec("UPDATE IGNORE dd SET b = '2000-01-00'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect datetime value: '2000-01-00'")) + tk.MustQuery("SELECT b FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + } + + // check !NO_ZERO_IN_DATE + tk.MustExec("SET sql_mode='ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'") + { + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(a) values('2000-00-10')") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows()) + tk.MustQuery("SELECT a FROM dd").Check(testkit.Rows("2000-00-10")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(b) values('2000-10-01')") + tk.MustExec("UPDATE dd SET b = '2000-00-10'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows()) + tk.MustQuery("SELECT b FROM dd").Check(testkit.Rows("2000-00-10 00:00:00")) + + tk.MustExec("TRUNCATE TABLE dd") + tk.MustExec("INSERT INTO dd(c) values('2000-10-01 10:00:00')") + tk.MustGetErrMsg("UPDATE dd SET c = '2000-00-10 00:00:00'", "[types:1292]Incorrect timestamp value: '2000-00-10 00:00:00'") + tk.MustExec("UPDATE IGNORE dd SET c = '2000-01-00 00:00:00'") + tk.MustQuery("SHOW WARNINGS").Check(testkit.Rows("Warning 1292 Incorrect timestamp value: '2000-01-00 00:00:00'")) + tk.MustQuery("SELECT c FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) + } +} diff --git a/session/session_test.go b/session/session_test.go index e8dd43126a67f..6bdbbf4b96b21 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -367,7 +367,7 @@ func (s *testSessionSuite) TestAffectedRows(c *C) { tk.MustExec("drop table if exists t") tk.MustExec("create table t (id int, c1 timestamp);") - tk.MustExec(`insert t values(1, 0);`) + tk.MustExec(`insert t(id) values(1);`) tk.MustExec(`UPDATE t set id = 1 where id = 1;`) c.Assert(int(tk.Se.AffectedRows()), Equals, 0) @@ -1022,8 +1022,10 @@ func (s *testSessionSuite) TestPrepareZero(c *C) { _, rs := tk.Exec("execute s1 using @v1") c.Assert(rs, NotNil) tk.MustExec("set @v2='" + types.ZeroDatetimeStr + "'") + tk.MustExec("set @orig_sql_mode=@@sql_mode; set @@sql_mode='';") tk.MustExec("execute s1 using @v2") tk.MustQuery("select v from t").Check(testkit.Rows("0000-00-00 00:00:00")) + tk.MustExec("set @@sql_mode=@orig_sql_mode;") } func (s *testSessionSuite) TestPrimaryKeyAutoIncrement(c *C) { diff --git a/table/column.go b/table/column.go index 6f797e1d117cc..3924c2a656799 100644 --- a/table/column.go +++ b/table/column.go @@ -158,6 +158,80 @@ func handleWrongUtf8Value(ctx sessionctx.Context, col *model.ColumnInfo, casted return truncateVal, err } +func handleZeroDatetime(ctx sessionctx.Context, col *model.ColumnInfo, casted types.Datum, str string, tmIsInvalid bool) (types.Datum, bool, error) { + sc := ctx.GetSessionVars().StmtCtx + tm := casted.GetMysqlTime() + mode := ctx.GetSessionVars().SQLMode + + var ( + zeroV types.Time + zeroT string + ) + switch col.Tp { + case mysql.TypeDate: + zeroV, zeroT = types.ZeroDate, types.DateStr + case mysql.TypeDatetime: + zeroV, zeroT = types.ZeroDatetime, types.DateTimeStr + case mysql.TypeTimestamp: + zeroV, zeroT = types.ZeroTimestamp, types.TimestampStr + } + + // ref https://dev.mysql.com/doc/refman/8.0/en/sql-mode.html#sqlmode_no_zero_date + // if NO_ZERO_DATE is not enabled, '0000-00-00' is permitted and inserts produce no warning + // if NO_ZERO_DATE is enabled, '0000-00-00' is permitted and inserts produce a warning + // If NO_ZERO_DATE mode and strict mode are enabled, '0000-00-00' is not permitted and inserts produce an error, unless IGNORE is given as well. For INSERT IGNORE and UPDATE IGNORE, '0000-00-00' is permitted and inserts produce a warning. + // if NO_ZERO_IN_DATE is not enabled, dates with zero parts are permitted and inserts produce no warning + // if NO_ZERO_IN_DATE is enabled, dates with zero parts are inserted as '0000-00-00' and produce a warning + // If NO_ZERO_IN_DATE mode and strict mode are enabled, dates with zero parts are not permitted and inserts produce an error, unless IGNORE is given as well. For INSERT IGNORE and UPDATE IGNORE, dates with zero parts are inserted as '0000-00-00' and produce a warning. + + ignoreErr := sc.DupKeyAsWarning + + // in MySQL 8.0, the Timestamp's case is different to Datetime/Date, as shown below: + // + // | | NZD | NZD|ST | ELSE | ELSE|ST | + // | ------------ | ----------------- | ------- | ----------------- | -------- | + // | `0000-00-01` | Success + Warning | Error | Success + Warning | Error | + // | `0000-00-00` | Success + Warning | Error | Success | Success | + // + // * **NZD**: NO_ZERO_DATE_MODE + // * **ST**: STRICT_TRANS_TABLES + // * **ELSE**: empty or NO_ZERO_IN_DATE_MODE + if tm.IsZero() && col.Tp == mysql.TypeTimestamp { + innerErr := types.ErrWrongValue.GenWithStackByArgs(zeroT, str) + if mode.HasStrictMode() && !ignoreErr && (tmIsInvalid || mode.HasNoZeroDateMode()) { + return types.NewDatum(zeroV), true, innerErr + } + + if tmIsInvalid || mode.HasNoZeroDateMode() { + sc.AppendWarning(innerErr) + } + return types.NewDatum(zeroV), true, nil + } else if tm.IsZero() || tm.InvalidZero() { + if tm.IsZero() { + if !mode.HasNoZeroDateMode() { + return types.NewDatum(zeroV), true, nil + } + } else if tm.InvalidZero() { + if !mode.HasNoZeroInDateMode() { + return casted, true, nil + } + } + + innerErr := types.ErrWrongValue.GenWithStackByArgs(zeroT, str) + if mode.HasStrictMode() && !ignoreErr { + return types.NewDatum(zeroV), true, innerErr + } + + // TODO: as in MySQL 8.0's implement, warning message is `types.ErrWarnDataOutOfRange`, + // but this error message need a `rowIdx` argument, in this context, the `rowIdx` is missing. + // And refactor this function seems too complicated, so we set the warning message the same to error's. + sc.AppendWarning(innerErr) + return types.NewDatum(zeroV), true, nil + } + + return casted, false, nil +} + // CastValue casts a value based on column type. // If forceIgnoreTruncate is true, truncated errors will be ignored. // If returnOverflow is true, don't handle overflow errors in this function. @@ -177,10 +251,17 @@ func CastValue(ctx sessionctx.Context, val types.Datum, col *model.ColumnInfo, r if err1 != nil { logutil.BgLogger().Warn("Datum ToString failed", zap.Stringer("Datum", val), zap.Error(err1)) } - err = sc.HandleTruncate(types.ErrTruncatedWrongVal.GenWithStackByArgs(col.FieldType.CompactStr(), str)) - } else { - err = sc.HandleTruncate(err) + err = types.ErrTruncatedWrongVal.GenWithStackByArgs(col.FieldType.CompactStr(), str) + } else if (sc.InInsertStmt || sc.InUpdateStmt) && !casted.IsNull() && + (val.Kind() != types.KindMysqlTime || !val.GetMysqlTime().IsZero()) && + (col.Tp == mysql.TypeDate || col.Tp == mysql.TypeDatetime || col.Tp == mysql.TypeTimestamp) { + if innCasted, exit, innErr := handleZeroDatetime(ctx, col, casted, val.GetString(), types.ErrWrongValue.Equal(err)); exit { + return innCasted, innErr + } } + + err = sc.HandleTruncate(err) + if forceIgnoreTruncate { err = nil } else if err != nil { diff --git a/types/errors.go b/types/errors.go index 12f6fc5edec95..21d6a88a25dbb 100644 --- a/types/errors.go +++ b/types/errors.go @@ -21,8 +21,10 @@ import ( // const strings for ErrWrongValue const ( - DateTimeStr = "datetime" - TimeStr = "time" + DateTimeStr = "datetime" + DateStr = "date" + TimeStr = "time" + TimestampStr = "timestamp" ) var ( From ca247e8928f8bcb934228a06ebf7e971e9fa911b Mon Sep 17 00:00:00 2001 From: pengdaqian2020 <71140907+pengdaqian2020@users.noreply.github.com> Date: Mon, 23 Nov 2020 23:05:54 -0600 Subject: [PATCH 0276/1021] table: fix insert value into hash partition table which not int (#21182) --- table/tables/partition.go | 13 ++++++++++++- table/tables/partition_test.go | 16 ++++++++++++++++ 2 files changed, 28 insertions(+), 1 deletion(-) diff --git a/table/tables/partition.go b/table/tables/partition.go index 80b4cf10fa3f2..63e4bba7e2cb1 100644 --- a/table/tables/partition.go +++ b/table/tables/partition.go @@ -734,7 +734,18 @@ func (t *partitionedTable) locateRangePartition(ctx sessionctx.Context, pi *mode // TODO: supports linear hashing func (t *partitionedTable) locateHashPartition(ctx sessionctx.Context, pi *model.PartitionInfo, r []types.Datum) (int, error) { if col, ok := t.partitionExpr.Expr.(*expression.Column); ok { - ret := r[col.Index].GetInt64() + var data types.Datum + switch r[col.Index].Kind() { + case types.KindInt64, types.KindUint64: + data = r[col.Index] + default: + var err error + data, err = r[col.Index].ConvertTo(ctx.GetSessionVars().StmtCtx, types.NewFieldType(mysql.TypeLong)) + if err != nil { + return 0, err + } + } + ret := data.GetInt64() ret = ret % int64(t.meta.Partition.Num) if ret < 0 { ret = -ret diff --git a/table/tables/partition_test.go b/table/tables/partition_test.go index 51287e0f222a4..72b880736a961 100644 --- a/table/tables/partition_test.go +++ b/table/tables/partition_test.go @@ -502,3 +502,19 @@ func (ts *testSuite) TestHashPartitionAndConditionConflict(c *C) { tk.MustQuery("select * from t2 partition (p1) where t2.a = 6;").Check(testkit.Rows()) } + +func (ts *testSuite) TestHashPartitionInsertValue(c *C) { + tk := testkit.NewTestKitWithInit(c, ts.store) + tk.MustExec("use test") + tk.MustExec("drop tables if exists t4") + tk.MustExec(`CREATE TABLE t4( + a bit(1) DEFAULT NULL, + b int(11) DEFAULT NULL + ) PARTITION BY HASH(a) + PARTITIONS 3`) + defer tk.MustExec("drop tables if exists t4") + tk.MustExec("INSERT INTO t4 VALUES(0, 0)") + tk.MustExec("INSERT INTO t4 VALUES(1, 1)") + result := tk.MustQuery("SELECT * FROM t4 WHERE a = 1") + result.Check(testkit.Rows("\x01 1")) +} From b77a514ae9486043b010e6e466274c6153e80142 Mon Sep 17 00:00:00 2001 From: wjHuang Date: Tue, 24 Nov 2020 13:27:02 +0800 Subject: [PATCH 0277/1021] expression: fix a bug that DML using caseWhen may cause schema change (#19857) Signed-off-by: wjhuang2016 --- expression/aggregation/base_func.go | 19 ++++++++----------- expression/constant_fold.go | 2 +- expression/integration_test.go | 14 ++++++++++++++ 3 files changed, 23 insertions(+), 12 deletions(-) diff --git a/expression/aggregation/base_func.go b/expression/aggregation/base_func.go index 146b3d36867cb..7f8dbdbcc63bf 100644 --- a/expression/aggregation/base_func.go +++ b/expression/aggregation/base_func.go @@ -414,17 +414,14 @@ func (a *baseFuncDesc) WrapCastForAggArgs(ctx sessionctx.Context) { // function. // Note: If the `Tp` of argument is the same as the `Tp` of the // aggregation function, it will not wrap cast function on it - // internally. The reason of the special handling for `Column` is - // that the `RetType` of `Column` refers to the `infoschema`, so we - // need to set a new variable for it to avoid modifying the - // definition in `infoschema`. - if col, ok := a.Args[i].(*expression.Column); ok { - col.RetType = types.NewFieldType(col.RetType.Tp) + // internally. + switch x := a.Args[i].(type) { + case *expression.Column: + x.RetType = a.RetTp + case *expression.ScalarFunction: + x.RetType = a.RetTp + case *expression.CorrelatedColumn: + x.RetType = a.RetTp } - // originTp is used when the the `Tp` of column is TypeFloat32 while - // the type of the aggregation function is TypeFloat64. - originTp := a.Args[i].GetType().Tp - *(a.Args[i].GetType()) = *(a.RetTp) - a.Args[i].GetType().Tp = originTp } } diff --git a/expression/constant_fold.go b/expression/constant_fold.go index 1b4dcaf00c3ad..c5810c8570387 100644 --- a/expression/constant_fold.go +++ b/expression/constant_fold.go @@ -122,7 +122,7 @@ func caseWhenHandler(expr *ScalarFunction) (Expression, bool) { foldedExpr.GetType().Decimal = expr.GetType().Decimal return foldedExpr, isDeferredConst } - return BuildCastFunction(expr.GetCtx(), foldedExpr, foldedExpr.GetType()), isDeferredConst + return foldedExpr, isDeferredConst } } else { // for no-const, here should return directly, because the following branches are unknown to be run or not diff --git a/expression/integration_test.go b/expression/integration_test.go index d3aa3e56e4cfd..f8106020b24f8 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -139,6 +139,19 @@ func (s *testIntegrationSuite) Test19654(c *C) { tk.MustQuery("select /*+ inl_join(t2)*/ * from t1, t2 where t1.b=t2.b;").Check(testkit.Rows("a a")) } +func (s *testIntegrationSuite) Test19387(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("USE test;") + + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t(a decimal(16, 2));") + tk.MustExec("select sum(case when 1 then a end) from t group by a;") + res := tk.MustQuery("show create table t") + c.Assert(len(res.Rows()), Equals, 1) + str := res.Rows()[0][1].(string) + c.Assert(strings.Contains(str, "decimal(16,2)"), IsTrue) +} + func (s *testIntegrationSuite) TestFuncREPEAT(c *C) { tk := testkit.NewTestKit(c, s.store) defer s.cleanEnv(c) @@ -3673,6 +3686,7 @@ func (s *testIntegrationSuite) TestAggregationBuiltin(c *C) { defer s.cleanEnv(c) tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") + tk.MustExec("drop table if exists t") tk.MustExec("create table t(a decimal(7, 6))") tk.MustExec("insert into t values(1.123456), (1.123456)") result := tk.MustQuery("select avg(a) from t") From 8f11e31685a25b68354485b33877025ee488a81d Mon Sep 17 00:00:00 2001 From: wjHuang Date: Tue, 24 Nov 2020 15:28:23 +0800 Subject: [PATCH 0278/1021] expression: revert some changes to fix mysql_test (#21246) --- expression/aggregation/base_func.go | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) diff --git a/expression/aggregation/base_func.go b/expression/aggregation/base_func.go index 7f8dbdbcc63bf..146b3d36867cb 100644 --- a/expression/aggregation/base_func.go +++ b/expression/aggregation/base_func.go @@ -414,14 +414,17 @@ func (a *baseFuncDesc) WrapCastForAggArgs(ctx sessionctx.Context) { // function. // Note: If the `Tp` of argument is the same as the `Tp` of the // aggregation function, it will not wrap cast function on it - // internally. - switch x := a.Args[i].(type) { - case *expression.Column: - x.RetType = a.RetTp - case *expression.ScalarFunction: - x.RetType = a.RetTp - case *expression.CorrelatedColumn: - x.RetType = a.RetTp + // internally. The reason of the special handling for `Column` is + // that the `RetType` of `Column` refers to the `infoschema`, so we + // need to set a new variable for it to avoid modifying the + // definition in `infoschema`. + if col, ok := a.Args[i].(*expression.Column); ok { + col.RetType = types.NewFieldType(col.RetType.Tp) } + // originTp is used when the the `Tp` of column is TypeFloat32 while + // the type of the aggregation function is TypeFloat64. + originTp := a.Args[i].GetType().Tp + *(a.Args[i].GetType()) = *(a.RetTp) + a.Args[i].GetType().Tp = originTp } } From 2901bb47f5e52424818ef375b74e4f718cb3bc1d Mon Sep 17 00:00:00 2001 From: Zhou Kunqin <25057648+time-and-fate@users.noreply.github.com> Date: Tue, 24 Nov 2020 16:05:48 +0800 Subject: [PATCH 0279/1021] go.mod, bindinfo: update parser to fix binding doesn't work for prepared stmt with LIMIT (#21214) --- bindinfo/bind_test.go | 61 +++++++++++++++++++++++++++++++++++++++++++ go.mod | 2 +- go.sum | 5 ++-- 3 files changed, 65 insertions(+), 3 deletions(-) diff --git a/bindinfo/bind_test.go b/bindinfo/bind_test.go index eace324b594d4..c23b37a2a4e79 100644 --- a/bindinfo/bind_test.go +++ b/bindinfo/bind_test.go @@ -15,9 +15,11 @@ package bindinfo_test import ( "context" + "crypto/tls" "flag" "fmt" "os" + "strconv" "testing" "time" @@ -35,6 +37,7 @@ import ( "github.com/pingcap/tidb/session" "github.com/pingcap/tidb/store/mockstore" "github.com/pingcap/tidb/store/mockstore/cluster" + "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/stmtsummary" "github.com/pingcap/tidb/util/testkit" @@ -59,6 +62,40 @@ type testSuite struct { *parser.Parser } +type mockSessionManager struct { + PS []*util.ProcessInfo +} + +func (msm *mockSessionManager) ShowProcessList() map[uint64]*util.ProcessInfo { + ret := make(map[uint64]*util.ProcessInfo) + for _, item := range msm.PS { + ret[item.ID] = item + } + return ret +} + +func (msm *mockSessionManager) GetProcessInfo(id uint64) (*util.ProcessInfo, bool) { + for _, item := range msm.PS { + if item.ID == id { + return item, true + } + } + return &util.ProcessInfo{}, false +} + +func (msm *mockSessionManager) Kill(cid uint64, query bool) { +} + +func (msm *mockSessionManager) KillAllConnections() { +} + +func (msm *mockSessionManager) UpdateTLSConfig(cfg *tls.Config) { +} + +func (msm *mockSessionManager) ServerID() uint64 { + return 1 +} + var mockTikv = flag.Bool("mockTikv", true, "use mock tikv store in bind test") func (s *testSuite) SetUpSuite(c *C) { @@ -1627,3 +1664,27 @@ func (s *testSuite) TestSPMHitInfo(c *C) { tk.MustQuery(`select @@last_plan_from_binding;`).Check(testkit.Rows("1")) tk.MustExec("drop global binding for SELECT * from t1,t2 where t1.id = t2.id") } + +func (s *testSuite) TestIssue19836(c *C) { + tk := testkit.NewTestKit(c, s.store) + s.cleanBindingEnv(tk) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int, key (a));") + tk.MustExec("CREATE SESSION BINDING FOR select * from t where a = 1 limit 5, 5 USING select * from t ignore index (a) where a = 1 limit 5, 5;") + tk.MustExec("PREPARE stmt FROM 'select * from t where a = 40 limit ?, ?';") + tk.MustExec("set @a=1;") + tk.MustExec("set @b=2;") + tk.MustExec("EXECUTE stmt USING @a, @b;") + tk.Se.SetSessionManager(&mockSessionManager{ + PS: []*util.ProcessInfo{tk.Se.ShowProcess()}, + }) + explainResult := testkit.Rows( + "Limit_8 2.00 0 root time:0s, loops:0 offset:1, count:2 N/A N/A", + "└─TableReader_14 3.00 0 root time:0s, loops:0 data:Limit_13 N/A N/A", + " └─Limit_13 3.00 0 cop[tikv] time:0ns, loops:0 offset:0, count:3 N/A N/A", + " └─Selection_12 3.00 0 cop[tikv] time:0ns, loops:0 eq(test.t.a, 40) N/A N/A", + " └─TableFullScan_11 3000.00 0 cop[tikv] table:t time:0ns, loops:0 keep order:false, stats:pseudo N/A N/A", + ) + tk.MustQuery("explain for connection " + strconv.FormatUint(tk.Se.ShowProcess().ID, 10)).Check(explainResult) +} diff --git a/go.mod b/go.mod index 3b0a64d5486cf..02ad52373abe1 100644 --- a/go.mod +++ b/go.mod @@ -47,7 +47,7 @@ require ( github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20201113092725-08f2872278eb github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 - github.com/pingcap/parser v0.0.0-20201123044711-f3f506acdab4 + github.com/pingcap/parser v0.0.0-20201123080035-8f4c6ab94e11 github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 github.com/pingcap/tidb-lightning v4.0.9-0.20201106041742-a1ac97827a27+incompatible github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible diff --git a/go.sum b/go.sum index 6bef486fad4e6..3df09bc124a42 100644 --- a/go.sum +++ b/go.sum @@ -687,8 +687,8 @@ github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 h1:M+DNpOu/I3uDmwee6vc github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/parser v0.0.0-20190506092653-e336082eb825/go.mod h1:1FNvfp9+J0wvc4kl8eGNh7Rqrxveg15jJoWo/a0uHwA= github.com/pingcap/parser v0.0.0-20200422082501-7329d80eaf2c/go.mod h1:9v0Edh8IbgjGYW2ArJr19E+bvL8zKahsFp+ixWeId+4= -github.com/pingcap/parser v0.0.0-20201123044711-f3f506acdab4 h1:ZpIuKrfmTd0TtM1AheAW/KjBBfxXS3YlU88KH830Mf8= -github.com/pingcap/parser v0.0.0-20201123044711-f3f506acdab4/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= +github.com/pingcap/parser v0.0.0-20201123080035-8f4c6ab94e11 h1:CpYV3/Mp42Szvt8ne6g2ojLtBmsUq6o86JazeAj4pIo= +github.com/pingcap/parser v0.0.0-20201123080035-8f4c6ab94e11/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= github.com/pingcap/pd v2.1.5+incompatible/go.mod h1:nD3+EoYes4+aNNODO99ES59V83MZSI+dFbhyr667a0E= github.com/pingcap/pd/v4 v4.0.0-rc.1.0.20200422143320-428acd53eba2/go.mod h1:s+utZtXDznOiL24VK0qGmtoHjjXNsscJx3m1n8cC56s= github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= @@ -774,6 +774,7 @@ github.com/satori/go.uuid v1.2.1-0.20181028125025-b2ce2384e17b/go.mod h1:dA0hQrY github.com/segmentio/kafka-go v0.1.0/go.mod h1:X6itGqS9L4jDletMsxZ7Dz+JFWxM6JHfPOCvTvk+EJo= github.com/segmentio/kafka-go v0.2.0/go.mod h1:X6itGqS9L4jDletMsxZ7Dz+JFWxM6JHfPOCvTvk+EJo= github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= +github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44 h1:tB9NOR21++IjLyVx3/PCPhWMwqGNCMQEH96A6dMZ/gc= github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= github.com/shirou/gopsutil v2.19.10+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA= github.com/shirou/gopsutil v2.20.3+incompatible h1:0JVooMPsT7A7HqEYdydp/OfjSOYSjhXV7w1hkKj/NPQ= From 65c8cb6354c8d13761ecd179f06dff46b3cdf158 Mon Sep 17 00:00:00 2001 From: Song Gao Date: Tue, 24 Nov 2020 16:20:00 +0800 Subject: [PATCH 0280/1021] store, executor: refactor ratelimitAction (#21168) --- executor/executor_test.go | 58 +---------- store/tikv/coprocessor.go | 201 ++++++++++++-------------------------- 2 files changed, 62 insertions(+), 197 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index 79a3ffeee89b7..546238b94d1fb 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6758,12 +6758,12 @@ func (s *testSerialSuite) TestCoprocessorOOMAction(c *C) { for _, testcase := range testcases { c.Log(testcase.name) // larger than 4 copResponse, smaller than 5 copResponse - quota := 499 + quota := 5*tikv.MockResponseSizeForTest - 100 se, err := session.CreateSession4Test(s.store) c.Check(err, IsNil) tk.Se = se tk.MustExec("use test") - tk.MustExec("set @@tidb_distsql_scan_concurrency = 4") + tk.MustExec("set @@tidb_distsql_scan_concurrency = 10") tk.MustExec(fmt.Sprintf("set @@tidb_mem_quota_query=%v;", quota)) var expect []string for i := 0; i < count; i++ { @@ -6809,60 +6809,6 @@ func (s *testSerialSuite) TestCoprocessorOOMAction(c *C) { } } -func (s *testSerialSuite) TestIssue20454(c *C) { - // Assert Coprocessor OOMAction - tk := testkit.NewTestKit(c, s.store) - tk.MustExec("use test") - tk.MustExec(`set @@tidb_wait_split_region_finish=1`) - // create table for non keep-order case - tk.MustExec("drop table if exists t5") - tk.MustExec("create table t5(id int)") - tk.MustQuery(`split table t5 between (0) and (10000) regions 10`).Check(testkit.Rows("9 1")) - count := 10 - for i := 0; i < count; i++ { - tk.MustExec(fmt.Sprintf("insert into t5 (id) values (%v)", i)) - } - - testcases := []struct { - name string - sql string - }{ - { - name: "non keep Order", - sql: "select id from t5", - }, - } - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { - conf.OOMAction = config.OOMActionLog - }) - - failpoint.Enable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockConsumeAndAssert", `return(true)`) - defer failpoint.Disable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockConsumeAndAssert") - failpoint.Enable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockOtherExecutorConsume", `return(true)`) - defer failpoint.Disable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockOtherExecutorConsume") - // assert oom action - for _, testcase := range testcases { - c.Log(testcase.name) - // must oom - quota := 90000 - se, err := session.CreateSession4Test(s.store) - c.Check(err, IsNil) - tk.Se = se - tk.MustExec("use test") - tk.MustExec("set @@tidb_distsql_scan_concurrency = 30") - tk.MustExec(fmt.Sprintf("set @@tidb_mem_quota_query=%v;", quota)) - var expect []string - for i := 0; i < count; i++ { - expect = append(expect, fmt.Sprintf("%v", i)) - } - tk.MustQuery(testcase.sql).Sort().Check(testkit.Rows(expect...)) - // assert oom action worked by max consumed > memory quota - c.Assert(tk.Se.GetSessionVars().StmtCtx.MemTracker.MaxConsumed(), Greater, int64(quota)) - se.Close() - } -} - func (s *testSuite) TestIssue20237(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go index ce2dd2019e909..fcb0f85c64f54 100644 --- a/store/tikv/coprocessor.go +++ b/store/tikv/coprocessor.go @@ -79,9 +79,7 @@ func (c *CopClient) Send(ctx context.Context, req *kv.Request, vars *kv.Variable memTracker: req.MemTracker, replicaReadSeed: c.replicaReadSeed, rpcCancel: NewRPCanceller(), - maxID: &maxIDHandler{}, } - it.maxID.maxID = 0 it.minCommitTSPushed.data = make(map[uint64]struct{}, 5) it.tasks = tasks if it.concurrency > len(tasks) { @@ -94,11 +92,15 @@ func (c *CopClient) Send(ctx context.Context, req *kv.Request, vars *kv.Variable if it.req.KeepOrder { it.sendRate = newRateLimit(2 * it.concurrency) + it.respChan = nil } else { - it.respChan = make(chan *copResponse, it.concurrency) + // The count of cached response in memory is controlled by the capacity of the it.sendRate, not capacity of the respChan. + // As the worker will send finCopResponse after each task being handled, we make the capacity of the respCh equals to + // 2*it.concurrency to avoid deadlock in the unit test caused by the `MustExec` or `Exec` + it.respChan = make(chan *copResponse, it.concurrency*2) it.sendRate = newRateLimit(it.concurrency) } - it.actionOnExceed = newRateLimitAction(uint(cap(it.sendRate.token)), sync.NewCond(&sync.Mutex{})) + it.actionOnExceed = newRateLimitAction(uint(cap(it.sendRate.token))) if sessionMemTracker != nil { sessionMemTracker.FallbackOldAndSetNewAction(it.actionOnExceed) } @@ -112,7 +114,6 @@ func (c *CopClient) Send(ctx context.Context, req *kv.Request, vars *kv.Variable // copTask contains a related Region and KeyRange for a kv.Request. type copTask struct { - id uint32 region RegionVerID ranges *copRanges @@ -400,9 +401,6 @@ type copIterator struct { // curr indicates the curr id of the finished copTask curr int - // maxID indicates the max id of the running copTask - maxID *maxIDHandler - // sendRate controls the sending rate of copIteratorTaskSender sendRate *rateLimit @@ -442,12 +440,6 @@ type copIteratorWorker struct { memTracker *memory.Tracker replicaReadSeed uint32 - - sendRate *rateLimit - - actionOnExceed *rateLimitAction - - maxID *maxIDHandler } // copIteratorTaskSender sends tasks to taskCh then wait for the workers to exit. @@ -493,6 +485,9 @@ func (rs *copResponse) MemSize() int64 { if rs.respSize != 0 { return rs.respSize } + if rs == finCopResp { + return 0 + } // ignore rs.err rs.respSize += int64(cap(rs.startKey)) @@ -512,20 +507,20 @@ func (rs *copResponse) RespTime() time.Duration { const minLogCopTaskTime = 300 * time.Millisecond +// When the worker finished `handleTask`, we need to notify the copIterator that there is one task finished. +// For the non-keep-order case, we send a finCopResp into the respCh after `handleTask`. When copIterator recv +// finCopResp from the respCh, it will be aware that there is one task finished. +var finCopResp *copResponse + +func init() { + finCopResp = &copResponse{} +} + // run is a worker function that get a copTask from channel, handle it and // send the result back. func (worker *copIteratorWorker) run(ctx context.Context) { defer func() { worker.wg.Done() - failpoint.Inject("testRateLimitActionMockWaitMax", func(val failpoint.Value) { - if val.(bool) { - // we need to prevent action from being closed before triggering action yet - for worker.actionOnExceed.isEnabled() { - time.Sleep(10 * time.Millisecond) - } - } - }) - worker.actionOnExceed.close() }() for task := range worker.taskCh { respCh := worker.respChan @@ -533,19 +528,12 @@ func (worker *copIteratorWorker) run(ctx context.Context) { respCh = task.respChan } worker.handleTask(ctx, task, respCh) - failpoint.Inject("testRateLimitActionMockOtherExecutorConsume", func(val failpoint.Value) { - if val.(bool) { - // wait action being enabled and response channel become empty - time.Sleep(20 * time.Millisecond) - // simulate other executor consume and trigger oom action - worker.memTracker.Consume(99999) - } - }) + if worker.respChan != nil { + // When a task is finished by the worker, send a finCopResp into channel to notify the copIterator that + // there is a task finished. + worker.sendToRespCh(finCopResp, worker.respChan, false) + } close(task.respChan) - worker.maxID.setMaxIDIfLarger(task.id) - worker.actionOnExceed.destroyTokenIfNeeded(func() { - worker.sendRate.putToken() - }) if worker.vars != nil && worker.vars.Killed != nil && atomic.LoadUint32(worker.vars.Killed) == 1 { return } @@ -581,9 +569,6 @@ func (it *copIterator) open(ctx context.Context) { memTracker: it.memTracker, replicaReadSeed: it.replicaReadSeed, - sendRate: it.sendRate, - actionOnExceed: it.actionOnExceed, - maxID: it.maxID, } go worker.run(ctx) } @@ -595,13 +580,14 @@ func (it *copIterator) open(ctx context.Context) { sendRate: it.sendRate, } taskSender.respChan = it.respChan + // If the ticket is less than 2, wo will directly disable the actionOnExceed it.actionOnExceed.setEnabled(true) go taskSender.run() } func (sender *copIteratorTaskSender) run() { // Send tasks to feed the worker goroutines. - for i, t := range sender.tasks { + for _, t := range sender.tasks { // we control the sending rate to prevent all tasks // being done (aka. all of the responses are buffered) by copIteratorWorker. // We keep the number of inflight tasks within the number of 2 * concurrency when Keep Order is true. @@ -611,7 +597,6 @@ func (sender *copIteratorTaskSender) run() { if exit { break } - t.id = uint32(i) exit = sender.sendToTaskCh(t) if exit { break @@ -634,9 +619,11 @@ func (it *copIterator) recvFromRespCh(ctx context.Context, respCh <-chan *copRes case resp, ok = <-respCh: if it.memTracker != nil && resp != nil { consumed := resp.MemSize() - failpoint.Inject("testRateLimitActionMockConsume", func(val failpoint.Value) { + failpoint.Inject("testRateLimitActionMockConsumeAndAssert", func(val failpoint.Value) { if val.(bool) { - consumed = 100 + if resp != finCopResp { + consumed = MockResponseSizeForTest + } } }) it.memTracker.Consume(-consumed) @@ -674,9 +661,11 @@ func (sender *copIteratorTaskSender) sendToTaskCh(t *copTask) (exit bool) { func (worker *copIteratorWorker) sendToRespCh(resp *copResponse, respCh chan<- *copResponse, checkOOM bool) (exit bool) { if worker.memTracker != nil && checkOOM { consumed := resp.MemSize() - failpoint.Inject("testRateLimitActionMockConsume", func(val failpoint.Value) { + failpoint.Inject("testRateLimitActionMockConsumeAndAssert", func(val failpoint.Value) { if val.(bool) { - consumed = 100 + if resp != finCopResp { + consumed = MockResponseSizeForTest + } } }) worker.memTracker.Consume(consumed) @@ -689,6 +678,9 @@ func (worker *copIteratorWorker) sendToRespCh(resp *copResponse, respCh chan<- * return } +// MockResponseSizeForTest mock the response size +const MockResponseSizeForTest = 100 * 1024 * 1024 + // Next returns next coprocessor result. // NOTE: Use nil to indicate finish, so if the returned ResultSubset is not nil, reader should continue to call Next(). func (it *copIterator) Next(ctx context.Context) (kv.ResultSubset, error) { @@ -702,13 +694,12 @@ func (it *copIterator) Next(ctx context.Context) (kv.ResultSubset, error) { if val.(bool) { // we only need to trigger oom at least once. if len(it.tasks) > 9 { - for it.memTracker.MaxConsumed() < 500 { + for it.memTracker.MaxConsumed() < 5*MockResponseSizeForTest { time.Sleep(10 * time.Millisecond) } } } }) - // If data order matters, response should be returned in the same order as copTask slice. // Otherwise all responses are returned from a single channel. if it.respChan != nil { @@ -718,8 +709,12 @@ func (it *copIterator) Next(ctx context.Context) (kv.ResultSubset, error) { it.actionOnExceed.close() return nil, nil } - // The respCh has been drained out - it.actionOnExceed.broadcastIfNeeded(len(it.respChan) < 1) + if resp == finCopResp { + it.actionOnExceed.destroyTokenIfNeeded(func() { + it.sendRate.putToken() + }) + return it.Next(ctx) + } } else { for { if it.curr >= len(it.tasks) { @@ -736,15 +731,12 @@ func (it *copIterator) Next(ctx context.Context) (kv.ResultSubset, error) { if ok { break } - finishedTaskID := it.tasks[it.curr].id + it.actionOnExceed.destroyTokenIfNeeded(func() { + it.sendRate.putToken() + }) // Switch to next task. it.tasks[it.curr] = nil it.curr++ - maxID := it.maxID.getMaxID() - // The tasks whose id is less than maxID are assumed that being sending to their task channel. - // So the response channel would be thought as drained out if the current taskID is greater or equal than - // the maxID as all the workers are being suspended at that time. - it.actionOnExceed.broadcastIfNeeded(finishedTaskID >= maxID) } } @@ -1312,37 +1304,28 @@ type rateLimitAction struct { // totalTokenNum indicates the total token at initial totalTokenNum uint cond struct { - *sync.Cond + sync.Mutex // exceeded indicates whether have encountered OOM situation. exceeded bool // remainingTokenNum indicates the count of tokens which still exists remainingTokenNum uint - // isTokenDestroyed indicates whether there is one token has been isTokenDestroyed after Action been triggered - isTokenDestroyed bool - once sync.Once - // triggered indicates whether the action is triggered - triggered bool - // waitingWorkerCnt indicates the total count of workers which is under condition.Waiting - waitingWorkerCnt uint + once sync.Once // triggerCountForTest indicates the total count of the rateLimitAction's Action being executed triggerCountForTest uint } } -func newRateLimitAction(totalTokenNumber uint, cond *sync.Cond) *rateLimitAction { +func newRateLimitAction(totalTokenNumber uint) *rateLimitAction { return &rateLimitAction{ totalTokenNum: totalTokenNumber, cond: struct { - *sync.Cond + sync.Mutex exceeded bool remainingTokenNum uint - isTokenDestroyed bool once sync.Once - triggered bool - waitingWorkerCnt uint triggerCountForTest uint }{ - Cond: cond, + Mutex: sync.Mutex{}, exceeded: false, remainingTokenNum: totalTokenNumber, once: sync.Once{}, @@ -1381,9 +1364,6 @@ func (e *rateLimitAction) Action(t *memory.Tracker) { if e.cond.triggerCountForTest+e.cond.remainingTokenNum != e.totalTokenNum { panic("triggerCount + remainingTokenNum not equal to totalTokenNum") } - if e.cond.waitingWorkerCnt > 0 { - panic("waitingWorkerCnt not equal to 0") - } } }) logutil.BgLogger().Info("memory exceeds quota, destroy one token now.", @@ -1391,10 +1371,8 @@ func (e *rateLimitAction) Action(t *memory.Tracker) { zap.Int64("quota", t.GetBytesLimit()), zap.Uint("total token count", e.totalTokenNum), zap.Uint("remaining token count", e.cond.remainingTokenNum)) - e.cond.isTokenDestroyed = false e.cond.exceeded = true e.cond.triggerCountForTest++ - e.cond.triggered = true }) } @@ -1408,29 +1386,14 @@ func (e *rateLimitAction) SetFallback(a memory.ActionOnExceed) { e.fallbackAction = a } -// broadcastIfNeeded will broadcast the condition to recover all suspended workers when exceeded is enabled -// and one token have already been destroyed. -func (e *rateLimitAction) broadcastIfNeeded(needed bool) { - if !needed { - return - } - e.conditionLock() - defer e.conditionUnlock() - if !e.cond.exceeded { - return - } - for !e.cond.isTokenDestroyed { - e.cond.Wait() - } - e.cond.exceeded = false - e.cond.Broadcast() - e.unsafeInitOnce() -} - // destroyTokenIfNeeded will check the `exceed` flag after copWorker finished one task. // If the exceed flag is true and there is no token been destroyed before, one token will be destroyed, // or the token would be return back. func (e *rateLimitAction) destroyTokenIfNeeded(returnToken func()) { + if !e.isEnabled() { + returnToken() + return + } e.conditionLock() defer e.conditionUnlock() if !e.cond.exceeded { @@ -1439,38 +1402,17 @@ func (e *rateLimitAction) destroyTokenIfNeeded(returnToken func()) { } // If actionOnExceed has been triggered and there is no token have been destroyed before, // destroy one token. - if !e.cond.isTokenDestroyed { - e.cond.remainingTokenNum = e.cond.remainingTokenNum - 1 - e.cond.isTokenDestroyed = true - e.cond.Broadcast() - return - } - - returnToken() - // we suspend worker when `exceeded` is true until being notified by `broadcastIfNeeded` - for e.cond.exceeded { - e.cond.waitingWorkerCnt++ - e.cond.Wait() - e.cond.waitingWorkerCnt-- - } - e.unsafeInitOnce() -} - -// unsafeInitOnce would init once if the condition is meet. This should be used under condition's lock. -func (e *rateLimitAction) unsafeInitOnce() { - // only when all the waiting workers have been resumed, the Action could be initialized again. - if e.cond.waitingWorkerCnt < 1 && e.cond.triggered { - e.cond.triggered = false - e.cond.once = sync.Once{} - } + e.cond.remainingTokenNum = e.cond.remainingTokenNum - 1 + e.cond.exceeded = false + e.cond.once = sync.Once{} } func (e *rateLimitAction) conditionLock() { - e.cond.L.Lock() + e.cond.Lock() } func (e *rateLimitAction) conditionUnlock() { - e.cond.L.Unlock() + e.cond.Unlock() } func (e *rateLimitAction) close() { @@ -1481,10 +1423,6 @@ func (e *rateLimitAction) close() { e.conditionLock() defer e.conditionUnlock() e.cond.exceeded = false - e.cond.isTokenDestroyed = true - e.cond.waitingWorkerCnt = 0 - // broadcast the signal in order not to leak worker goroutine if it is being suspended - e.cond.Broadcast() } func (e *rateLimitAction) setEnabled(enabled bool) { @@ -1498,22 +1436,3 @@ func (e *rateLimitAction) setEnabled(enabled bool) { func (e *rateLimitAction) isEnabled() bool { return atomic.LoadUint32(&e.enabled) > 0 } - -type maxIDHandler struct { - sync.Mutex - maxID uint32 -} - -func (handler *maxIDHandler) getMaxID() uint32 { - handler.Lock() - defer handler.Unlock() - return handler.maxID -} - -func (handler *maxIDHandler) setMaxIDIfLarger(newID uint32) { - handler.Lock() - defer handler.Unlock() - if newID > handler.maxID { - handler.maxID = newID - } -} From 115c7f88e8c1fdc7464e1d55f2263976c3f9f108 Mon Sep 17 00:00:00 2001 From: Yiding Cui Date: Tue, 24 Nov 2020 17:00:53 +0800 Subject: [PATCH 0281/1021] executor: set the inner join keys' field length to unspecified (#21233) --- executor/builder.go | 16 ++++++++++++++-- executor/write_test.go | 19 +++++++++++++++++++ 2 files changed, 33 insertions(+), 2 deletions(-) diff --git a/executor/builder.go b/executor/builder.go index 50f17eec7d792..cf9d5670270e3 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -2257,7 +2257,13 @@ func (b *executorBuilder) buildIndexLookUpJoin(v *plannercore.PhysicalIndexJoin) innerPlan := v.Children()[v.InnerChildIdx] innerTypes := make([]*types.FieldType, innerPlan.Schema().Len()) for i, col := range innerPlan.Schema().Columns { - innerTypes[i] = col.RetType + innerTypes[i] = col.RetType.Clone() + // The `innerTypes` would be called for `Datum.ConvertTo` when converting the columns from outer table + // to build hash map or construct lookup keys. So we need to modify its Flen otherwise there would be + // truncate error. See issue https://github.com/pingcap/tidb/issues/21232 for example. + if innerTypes[i].EvalType() == types.ETString { + innerTypes[i].Flen = types.UnspecifiedLength + } } var ( @@ -2346,7 +2352,13 @@ func (b *executorBuilder) buildIndexLookUpMergeJoin(v *plannercore.PhysicalIndex innerPlan := v.Children()[v.InnerChildIdx] innerTypes := make([]*types.FieldType, innerPlan.Schema().Len()) for i, col := range innerPlan.Schema().Columns { - innerTypes[i] = col.RetType + innerTypes[i] = col.RetType.Clone() + // The `innerTypes` would be called for `Datum.ConvertTo` when converting the columns from outer table + // to build hash map or construct lookup keys. So we need to modify its Flen otherwise there would be + // truncate error. See issue https://github.com/pingcap/tidb/issues/21232 for example. + if innerTypes[i].EvalType() == types.ETString { + innerTypes[i].Flen = types.UnspecifiedLength + } } var ( outerFilter []expression.Expression diff --git a/executor/write_test.go b/executor/write_test.go index 6b18a09a380e8..860439c0103f0 100644 --- a/executor/write_test.go +++ b/executor/write_test.go @@ -3025,6 +3025,25 @@ func (s *testSuite) TestEqualDatumsAsBinary(c *C) { } } +func (s *testSuite) TestIssue21232(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t, t1") + tk.MustExec("create table t(a varchar(1), index idx(a))") + tk.MustExec("create table t1(a varchar(5), index idx(a))") + tk.MustExec("insert into t values('a'), ('b')") + tk.MustExec("insert into t1 values('a'), ('bbbbb')") + tk.MustExec("update /*+ INL_JOIN(t) */ t, t1 set t.a='a' where t.a=t1.a") + tk.MustQuery("show warnings").Check(testkit.Rows()) + tk.MustQuery("select * from t").Check(testkit.Rows("a", "b")) + tk.MustExec("update /*+ INL_HASH_JOIN(t) */ t, t1 set t.a='a' where t.a=t1.a") + tk.MustQuery("show warnings").Check(testkit.Rows()) + tk.MustQuery("select * from t").Check(testkit.Rows("a", "b")) + tk.MustExec("update /*+ INL_MERGE_JOIN(t) */ t, t1 set t.a='a' where t.a=t1.a") + tk.MustQuery("show warnings").Check(testkit.Rows()) + tk.MustQuery("select * from t").Check(testkit.Rows("a", "b")) +} + func testEqualDatumsAsBinary(c *C, a []interface{}, b []interface{}, same bool) { sc := new(stmtctx.StatementContext) re := new(executor.ReplaceExec) From d12eb1b17464c693b16ac7b30cddbe66f6cf1268 Mon Sep 17 00:00:00 2001 From: MyonKeminta <9948422+MyonKeminta@users.noreply.github.com> Date: Tue, 24 Nov 2020 17:39:54 +0800 Subject: [PATCH 0282/1021] executor: Fix IndexMergeReader works incorrectly under RC isolation level (#21208) Signed-off-by: MyonKeminta --- executor/builder.go | 53 +++++++++++++++++-------------------- executor/point_get.go | 6 ----- session/pessimistic_test.go | 30 +++++++++++++++++++++ 3 files changed, 54 insertions(+), 35 deletions(-) diff --git a/executor/builder.go b/executor/builder.go index cf9d5670270e3..cfcad5118072c 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -73,11 +73,12 @@ var ( // executorBuilder builds an Executor from a Plan. // The InfoSchema must not change during execution. type executorBuilder struct { - ctx sessionctx.Context - is infoschema.InfoSchema - snapshotTS uint64 // The consistent snapshot timestamp for the executor to read data. - err error // err is set when there is error happened during Executor building process. - hasLock bool + ctx sessionctx.Context + is infoschema.InfoSchema + snapshotTS uint64 // The consistent snapshot timestamp for the executor to read data. + snapshotTSCached bool + err error // err is set when there is error happened during Executor building process. + hasLock bool } func newExecutorBuilder(ctx sessionctx.Context, is infoschema.InfoSchema) *executorBuilder { @@ -1355,8 +1356,25 @@ func (b *executorBuilder) buildTableDual(v *plannercore.PhysicalTableDual) Execu return e } +// `getSnapshotTS` returns the timestamp of the snapshot that a reader should read. func (b *executorBuilder) getSnapshotTS() (uint64, error) { + // `refreshForUpdateTSForRC` should always be invoked before returning the cached value to + // ensure the correct value is returned even the `snapshotTS` field is already set by other + // logics. However for `IndexLookUpMergeJoin` and `IndexLookUpHashJoin`, it requires caching the + // snapshotTS and and may even use it after the txn being destroyed. In this case, mark + // `snapshotTSCached` to skip `refreshForUpdateTSForRC`. + if b.snapshotTSCached { + return b.snapshotTS, nil + } + + if b.ctx.GetSessionVars().IsPessimisticReadConsistency() { + if err := b.refreshForUpdateTSForRC(); err != nil { + return 0, err + } + } + if b.snapshotTS != 0 { + b.snapshotTSCached = true // Return the cached value. return b.snapshotTS, nil } @@ -1373,6 +1391,7 @@ func (b *executorBuilder) getSnapshotTS() (uint64, error) { if b.snapshotTS == 0 { return 0, errors.Trace(ErrGetStartTS) } + b.snapshotTSCached = true return snapshotTS, nil } @@ -2553,12 +2572,6 @@ func (b *executorBuilder) buildMPPGather(v *plannercore.PhysicalTableReader) Exe // buildTableReader builds a table reader executor. It first build a no range table reader, // and then update it ranges from table scan plan. func (b *executorBuilder) buildTableReader(v *plannercore.PhysicalTableReader) Executor { - if b.ctx.GetSessionVars().IsPessimisticReadConsistency() { - if err := b.refreshForUpdateTSForRC(); err != nil { - b.err = err - return nil - } - } if useMPPExecution(b.ctx, v) { return b.buildMPPGather(v) } @@ -2795,12 +2808,6 @@ func buildNoRangeIndexReader(b *executorBuilder, v *plannercore.PhysicalIndexRea } func (b *executorBuilder) buildIndexReader(v *plannercore.PhysicalIndexReader) Executor { - if b.ctx.GetSessionVars().IsPessimisticReadConsistency() { - if err := b.refreshForUpdateTSForRC(); err != nil { - b.err = err - return nil - } - } ret, err := buildNoRangeIndexReader(b, v) if err != nil { b.err = err @@ -2944,12 +2951,6 @@ func buildNoRangeIndexLookUpReader(b *executorBuilder, v *plannercore.PhysicalIn } func (b *executorBuilder) buildIndexLookUpReader(v *plannercore.PhysicalIndexLookUpReader) Executor { - if b.ctx.GetSessionVars().IsPessimisticReadConsistency() { - if err := b.refreshForUpdateTSForRC(); err != nil { - b.err = err - return nil - } - } ret, err := buildNoRangeIndexLookUpReader(b, v) if err != nil { b.err = err @@ -3813,12 +3814,6 @@ func NewRowDecoder(ctx sessionctx.Context, schema *expression.Schema, tbl *model } func (b *executorBuilder) buildBatchPointGet(plan *plannercore.BatchPointGetPlan) Executor { - if b.ctx.GetSessionVars().IsPessimisticReadConsistency() { - if err := b.refreshForUpdateTSForRC(); err != nil { - b.err = err - return nil - } - } startTS, err := b.getSnapshotTS() if err != nil { b.err = err diff --git a/executor/point_get.go b/executor/point_get.go index 0dd73eec70b33..3d397e0c1a450 100644 --- a/executor/point_get.go +++ b/executor/point_get.go @@ -36,12 +36,6 @@ import ( ) func (b *executorBuilder) buildPointGet(p *plannercore.PointGetPlan) Executor { - if b.ctx.GetSessionVars().IsPessimisticReadConsistency() { - if err := b.refreshForUpdateTSForRC(); err != nil { - b.err = err - return nil - } - } startTS, err := b.getSnapshotTS() if err != nil { b.err = err diff --git a/session/pessimistic_test.go b/session/pessimistic_test.go index 0de76c9adbec0..e030d0fef52a2 100644 --- a/session/pessimistic_test.go +++ b/session/pessimistic_test.go @@ -1331,6 +1331,36 @@ func (s *testPessimisticSuite) TestRCSubQuery(c *C) { tk.MustExec("rollback") } +func (s *testPessimisticSuite) TestRCIndexMerge(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("drop table if exists t") + tk.MustExec(`create table t (id int primary key, v int, a int not null, b int not null, + index ia (a), index ib (b))`) + tk.MustExec("insert into t values (1, 10, 1, 1)") + + tk.MustExec("set transaction isolation level read committed") + tk.MustExec("begin pessimistic") + tk.MustQuery("select /*+ USE_INDEX_MERGE(t, ia, ib) */ * from t where a > 0 or b > 0").Check( + testkit.Rows("1 10 1 1"), + ) + tk.MustQuery("select /*+ NO_INDEX_MERGE() */ * from t where a > 0 or b > 0").Check( + testkit.Rows("1 10 1 1"), + ) + + tk2 := testkit.NewTestKitWithInit(c, s.store) + tk2.MustExec("update t set v = 11 where id = 1") + + // Make sure index merge plan is used. + plan := tk.MustQuery("explain select /*+ USE_INDEX_MERGE(t, ia, ib) */ * from t where a > 0 or b > 0").Rows()[0][0].(string) + c.Assert(strings.Contains(plan, "IndexMerge_"), IsTrue) + tk.MustQuery("select /*+ USE_INDEX_MERGE(t, ia, ib) */ * from t where a > 0 or b > 0").Check( + testkit.Rows("1 11 1 1"), + ) + tk.MustQuery("select /*+ NO_INDEX_MERGE() */ * from t where a > 0 or b > 0").Check( + testkit.Rows("1 11 1 1"), + ) +} + func (s *testPessimisticSuite) TestGenerateColPointGet(c *C) { atomic.StoreUint64(&tikv.ManagedLockTTL, 3000) defer atomic.StoreUint64(&tikv.ManagedLockTTL, 300) From 83c1652633c308d6c084d6fb7d99b2dcb5e73a3d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=99=8E?= Date: Tue, 24 Nov 2020 18:06:16 +0800 Subject: [PATCH 0283/1021] expression, executor: allow insert strings with overflowed trailing spaces (#20987) --- executor/insert_test.go | 16 ++++++++++++++++ types/datum.go | 26 ++++++++++++++++++++++---- 2 files changed, 38 insertions(+), 4 deletions(-) diff --git a/executor/insert_test.go b/executor/insert_test.go index fb4e98e08e4b9..2f399e449c168 100644 --- a/executor/insert_test.go +++ b/executor/insert_test.go @@ -1500,6 +1500,22 @@ func (s *testSerialSuite) TestIssue20768(c *C) { tk.MustQuery("select /*+ merge_join(t1) */ * from t1 join t2 on t1.a = t2.a").Check(testkit.Rows("0 0")) } +func (s *testSuite9) TestIssue10402(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("create table vctt (v varchar(4), c char(4))") + tk.MustExec("insert into vctt values ('ab ', 'ab ')") + tk.MustQuery("select * from vctt").Check(testkit.Rows("ab ab")) + tk.MustExec("delete from vctt") + tk.Se.GetSessionVars().StmtCtx.SetWarnings(nil) + tk.MustExec("insert into vctt values ('ab\\n\\n\\n', 'ab\\n\\n\\n'), ('ab\\t\\t\\t', 'ab\\t\\t\\t'), ('ab ', 'ab '), ('ab\\r\\r\\r', 'ab\\r\\r\\r')") + c.Check(tk.Se.GetSessionVars().StmtCtx.WarningCount(), Equals, uint16(4)) + warns := tk.Se.GetSessionVars().StmtCtx.GetWarnings() + c.Check(fmt.Sprintf("%v", warns), Equals, "[{Warning [types:1265]Data truncated, field len 4, data len 5} {Warning [types:1265]Data truncated, field len 4, data len 5} {Warning [types:1265]Data truncated, field len 4, data len 6} {Warning [types:1265]Data truncated, field len 4, data len 5}]") + tk.MustQuery("select * from vctt").Check(testkit.Rows("ab\n\n ab\n\n", "ab\t\t ab\t\t", "ab ab", "ab\r\r ab\r\r")) + tk.MustQuery("select length(v), length(c) from vctt").Check(testkit.Rows("4 4", "4 4", "4 2", "4 4")) +} + func combination(items []string) func() []string { current := 1 buf := make([]string, len(items)) diff --git a/types/datum.go b/types/datum.go index 706692bd68dc2..44ecf9c5c41db 100644 --- a/types/datum.go +++ b/types/datum.go @@ -952,10 +952,14 @@ func (d *Datum) convertToString(sc *stmtctx.StatementContext, target *FieldType) func ProduceStrWithSpecifiedTp(s string, tp *FieldType, sc *stmtctx.StatementContext, padZero bool) (_ string, err error) { flen, chs := tp.Flen, tp.Charset if flen >= 0 { + // overflowed stores the part of the string that is out of the length contraint, it is later checked to see if the + // overflowed part is all whitespaces + var overflowed string + var characterLen int // Flen is the rune length, not binary length, for UTF8 charset, we need to calculate the // rune count and truncate to Flen runes if it is too long. if chs == charset.CharsetUTF8 || chs == charset.CharsetUTF8MB4 { - characterLen := utf8.RuneCountInString(s) + characterLen = utf8.RuneCountInString(s) if characterLen > flen { // 1. If len(s) is 0 and flen is 0, truncateLen will be 0, don't truncate s. // CREATE TABLE t (a char(0)); @@ -972,13 +976,27 @@ func ProduceStrWithSpecifiedTp(s string, tp *FieldType, sc *stmtctx.StatementCon } runeCount++ } - err = ErrDataTooLong.GenWithStack("Data Too Long, field len %d, data len %d", flen, characterLen) + overflowed = s[truncateLen:] s = truncateStr(s, truncateLen) } } else if len(s) > flen { - err = ErrDataTooLong.GenWithStack("Data Too Long, field len %d, data len %d", flen, len(s)) + characterLen = len(s) + overflowed = s[flen:] s = truncateStr(s, flen) - } else if tp.Tp == mysql.TypeString && IsBinaryStr(tp) && len(s) < flen && padZero { + } + + if len(overflowed) != 0 { + trimed := strings.TrimRight(overflowed, " \t\n\r") + if len(trimed) == 0 && !IsBinaryStr(tp) && IsTypeChar(tp.Tp) { + if tp.Tp == mysql.TypeVarchar { + sc.AppendWarning(ErrTruncated.GenWithStack("Data truncated, field len %d, data len %d", flen, characterLen)) + } + } else { + err = ErrDataTooLong.GenWithStack("Data Too Long, field len %d, data len %d", flen, characterLen) + } + } + + if tp.Tp == mysql.TypeString && IsBinaryStr(tp) && len(s) < flen && padZero { padding := make([]byte, flen-len(s)) s = string(append([]byte(s), padding...)) } From 7a19c709d07d4c33009bb85bba5122b2a658505b Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Tue, 24 Nov 2020 19:53:54 +0800 Subject: [PATCH 0284/1021] ddl: check partition name unique when create hash type partition table (#21210) --- ddl/db_partition_test.go | 4 ++++ ddl/ddl_api.go | 3 +++ 2 files changed, 7 insertions(+) diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index 50a9d9c7a1758..4a73eaab1b019 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -695,6 +695,10 @@ func (s *testIntegrationSuite1) TestCreateTableWithListColumnsPartition(c *C) { "create table t (a int, b datetime) partition by list columns (a,b) (partition p0 values in ((1)));", ast.ErrPartitionColumnList, }, + { + "create table t(b int) partition by hash ( b ) partitions 3 (partition p1, partition p2, partition p2);", + ddl.ErrSameNamePartition, + }, } for i, t := range cases { _, err := tk.Exec(t.sql) diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 4c052655e3bb5..0e819144f297d 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -1944,6 +1944,9 @@ func buildViewInfo(ctx sessionctx.Context, s *ast.CreateViewStmt) (*model.ViewIn func checkPartitionByHash(ctx sessionctx.Context, tbInfo *model.TableInfo, s *ast.CreateTableStmt) error { pi := tbInfo.Partition + if err := checkPartitionNameUnique(pi); err != nil { + return err + } if err := checkAddPartitionTooManyPartitions(pi.Num); err != nil { return err } From ab2c337db76c7fc487d1d934e1d54a252d7ddedd Mon Sep 17 00:00:00 2001 From: Jack Yu Date: Wed, 25 Nov 2020 08:15:24 +0800 Subject: [PATCH 0285/1021] variable: cleanup code (#21252) Signed-off-by: Shuaipeng Yu --- sessionctx/variable/session.go | 6 ------ 1 file changed, 6 deletions(-) diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 027e977955278..4afde3bfa8fe1 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -128,12 +128,6 @@ func (r *retryInfoAutoIDs) getCurrent() (int64, bool) { return id, true } -// stmtFuture is used to async get timestamp for statement. -type stmtFuture struct { - future oracle.Future - cachedTS uint64 -} - // TransactionContext is used to store variables that has transaction scope. type TransactionContext struct { forUpdateTS uint64 From 72794461eb65dab6668cc191e8b3f6432f5e6333 Mon Sep 17 00:00:00 2001 From: Jack Yu Date: Wed, 25 Nov 2020 10:06:54 +0800 Subject: [PATCH 0286/1021] *: support read only lock (#21100) Signed-off-by: Shuaipeng Yu --- ddl/db_test.go | 72 +++++++++++++++++ ddl/ddl_api.go | 18 +++++ ddl/table_lock.go | 10 ++- executor/ddl.go | 2 +- executor/point_get.go | 34 ++++---- lock/lock.go | 17 ++-- planner/core/logical_plan_test.go | 124 +++++++++++++++--------------- planner/core/optimizer.go | 2 +- planner/core/planbuilder.go | 13 ++-- planner/core/point_get_plan.go | 2 +- session/session.go | 5 +- 11 files changed, 201 insertions(+), 98 deletions(-) diff --git a/ddl/db_test.go b/ddl/db_test.go index eae4e09abe0ba..ab23e40a458e7 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -5630,6 +5630,78 @@ func (s *testDBSuite4) TestConcurrentLockTables(c *C) { tk2.MustExec("unlock tables") } +func (s *testDBSuite4) TestLockTableReadOnly(c *C) { + if israce.RaceEnabled { + c.Skip("skip race test") + } + tk := testkit.NewTestKit(c, s.store) + tk2 := testkit.NewTestKit(c, s.store) + tk2.MustExec("use test") + + tk.MustExec("use test") + tk.MustExec("drop table if exists t1,t2") + defer func() { + tk.MustExec("alter table t1 read write") + tk.MustExec("alter table t2 read write") + tk.MustExec("drop table if exists t1,t2") + }() + tk.MustExec("create table t1 (a int key, b int)") + tk.MustExec("create table t2 (a int key)") + + tk.MustExec("alter table t1 read only") + tk.MustQuery("select * from t1") + tk2.MustQuery("select * from t1") + _, err := tk.Exec("insert into t1 set a=1, b=2") + c.Assert(terror.ErrorEqual(err, infoschema.ErrTableLocked), IsTrue) + _, err = tk.Exec("update t1 set a=1") + c.Assert(terror.ErrorEqual(err, infoschema.ErrTableLocked), IsTrue) + _, err = tk.Exec("delete from t1") + c.Assert(terror.ErrorEqual(err, infoschema.ErrTableLocked), IsTrue) + + _, err = tk2.Exec("insert into t1 set a=1, b=2") + c.Assert(terror.ErrorEqual(err, infoschema.ErrTableLocked), IsTrue) + _, err = tk2.Exec("update t1 set a=1") + c.Assert(terror.ErrorEqual(err, infoschema.ErrTableLocked), IsTrue) + _, err = tk2.Exec("delete from t1") + c.Assert(terror.ErrorEqual(err, infoschema.ErrTableLocked), IsTrue) + tk2.MustExec("alter table t1 read only") + _, err = tk2.Exec("insert into t1 set a=1, b=2") + c.Assert(terror.ErrorEqual(err, infoschema.ErrTableLocked), IsTrue) + tk.MustExec("alter table t1 read write") + + tk.MustExec("lock tables t1 read") + c.Assert(terror.ErrorEqual(tk.ExecToErr("alter table t1 read only"), infoschema.ErrTableLocked), IsTrue) + c.Assert(terror.ErrorEqual(tk2.ExecToErr("alter table t1 read only"), infoschema.ErrTableLocked), IsTrue) + tk.MustExec("lock tables t1 write") + c.Assert(terror.ErrorEqual(tk.ExecToErr("alter table t1 read only"), infoschema.ErrTableLocked), IsTrue) + c.Assert(terror.ErrorEqual(tk2.ExecToErr("alter table t1 read only"), infoschema.ErrTableLocked), IsTrue) + tk.MustExec("lock tables t1 write local") + c.Assert(terror.ErrorEqual(tk.ExecToErr("alter table t1 read only"), infoschema.ErrTableLocked), IsTrue) + c.Assert(terror.ErrorEqual(tk2.ExecToErr("alter table t1 read only"), infoschema.ErrTableLocked), IsTrue) + tk.MustExec("unlock tables") + + tk.MustExec("alter table t1 read only") + c.Assert(terror.ErrorEqual(tk.ExecToErr("lock tables t1 read"), infoschema.ErrTableLocked), IsTrue) + c.Assert(terror.ErrorEqual(tk2.ExecToErr("lock tables t1 read"), infoschema.ErrTableLocked), IsTrue) + c.Assert(terror.ErrorEqual(tk.ExecToErr("lock tables t1 write"), infoschema.ErrTableLocked), IsTrue) + c.Assert(terror.ErrorEqual(tk2.ExecToErr("lock tables t1 write"), infoschema.ErrTableLocked), IsTrue) + c.Assert(terror.ErrorEqual(tk.ExecToErr("lock tables t1 write local"), infoschema.ErrTableLocked), IsTrue) + c.Assert(terror.ErrorEqual(tk2.ExecToErr("lock tables t1 write local"), infoschema.ErrTableLocked), IsTrue) + tk.MustExec("admin cleanup table lock t1") + tk2.MustExec("insert into t1 set a=1, b=2") + + tk.MustExec("set tidb_enable_amend_pessimistic_txn = 1") + tk.MustExec("begin pessimistic") + tk.MustQuery("select * from t1 where a = 1").Check(testkit.Rows("1 2")) + tk2.MustExec("update t1 set b = 3") + tk2.MustExec("alter table t1 read only") + tk2.MustQuery("select * from t1 where a = 1").Check(testkit.Rows("1 3")) + tk.MustQuery("select * from t1 where a = 1").Check(testkit.Rows("1 2")) + tk.MustExec("update t1 set b = 4") + c.Assert(terror.ErrorEqual(tk.ExecToErr("commit"), domain.ErrInfoSchemaChanged), IsTrue) + tk2.MustExec("alter table t1 read write") +} + func (s *testDBSuite4) testParallelExecSQL(c *C, sql1, sql2 string, se1, se2 session.Session, f checkRet) { callback := &ddl.TestDDLCallback{} times := 0 diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 0e819144f297d..e9dd8151c2bfa 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -2425,6 +2425,24 @@ func (d *ddl) AlterTable(ctx sessionctx.Context, ident ast.Ident, specs []*ast.A err = d.DropTablePartition(ctx, ident, spec) case ast.AlterTableTruncatePartition: err = d.TruncateTablePartition(ctx, ident, spec) + case ast.AlterTableWriteable: + if !config.TableLockEnabled() { + return nil + } + tName := &ast.TableName{Schema: ident.Schema, Name: ident.Name} + if spec.Writeable { + err = d.CleanupTableLock(ctx, []*ast.TableName{tName}) + } else { + lockStmt := &ast.LockTablesStmt{ + TableLocks: []ast.TableLock{ + { + Table: tName, + Type: model.TableLockReadOnly, + }, + }, + } + err = d.LockTables(ctx, lockStmt) + } case ast.AlterTableExchangePartition: err = d.ExchangeTablePartition(ctx, ident, spec) case ast.AlterTableAddConstraint: diff --git a/ddl/table_lock.go b/ddl/table_lock.go index 1b24c95114204..6309c8ca1aff7 100644 --- a/ddl/table_lock.go +++ b/ddl/table_lock.go @@ -122,7 +122,8 @@ func lockTable(tbInfo *model.TableInfo, idx int, arg *lockTablesArg) error { if tbInfo.Lock.State == model.TableLockStatePreLock { return nil } - if tbInfo.Lock.Tp == model.TableLockRead && arg.LockTables[idx].Tp == model.TableLockRead { + if (tbInfo.Lock.Tp == model.TableLockRead && arg.LockTables[idx].Tp == model.TableLockRead) || + (tbInfo.Lock.Tp == model.TableLockReadOnly && arg.LockTables[idx].Tp == model.TableLockReadOnly) { sessionIndex := findSessionInfoIndex(tbInfo.Lock.Sessions, arg.SessionInfo) // repeat lock. if sessionIndex >= 0 { @@ -145,7 +146,8 @@ func checkTableLocked(tbInfo *model.TableInfo, lockTp model.TableLockType, sessi if tbInfo.Lock.State == model.TableLockStatePreLock { return nil } - if tbInfo.Lock.Tp == model.TableLockRead && lockTp == model.TableLockRead { + if (tbInfo.Lock.Tp == model.TableLockRead && lockTp == model.TableLockRead) || + (tbInfo.Lock.Tp == model.TableLockReadOnly && lockTp == model.TableLockReadOnly) { return nil } sessionIndex := findSessionInfoIndex(tbInfo.Lock.Sessions, sessionInfo) @@ -154,8 +156,8 @@ func checkTableLocked(tbInfo *model.TableInfo, lockTp model.TableLockType, sessi if tbInfo.Lock.Tp == lockTp { return nil } - // If no other session locked this table. - if len(tbInfo.Lock.Sessions) == 1 { + // If no other session locked this table, and it is not a read only lock (session unrelated). + if len(tbInfo.Lock.Sessions) == 1 && tbInfo.Lock.Tp != model.TableLockReadOnly { return nil } } diff --git a/executor/ddl.go b/executor/ddl.go index 81e02f3d366c4..2ebd12037dc82 100644 --- a/executor/ddl.go +++ b/executor/ddl.go @@ -599,7 +599,7 @@ func (e *DDLExec) executeLockTables(s *ast.LockTablesStmt) error { return domain.GetDomain(e.ctx).DDL().LockTables(e.ctx, s) } -func (e *DDLExec) executeUnlockTables(s *ast.UnlockTablesStmt) error { +func (e *DDLExec) executeUnlockTables(_ *ast.UnlockTablesStmt) error { if !config.TableLockEnabled() { return nil } diff --git a/executor/point_get.go b/executor/point_get.go index 3d397e0c1a450..e72a4a2b66414 100644 --- a/executor/point_get.go +++ b/executor/point_get.go @@ -340,26 +340,26 @@ func (e *PointGetExecutor) get(ctx context.Context, key kv.Key) ([]byte, error) // fallthrough to snapshot get. } - isLocked := e.tblInfo.IsLocked() - if !isLocked || e.tblInfo.Lock.Tp != model.TableLockRead { // if not read lock or table was unlock then snapshot get - return e.snapshot.Get(ctx, key) - } - - cacheDB := e.ctx.GetStore().GetMemCache() - val = cacheDB.Get(ctx, e.tblInfo.ID, key) - // key does not exist then get from snapshot and set to cache - if val == nil { - val, err = e.snapshot.Get(ctx, key) - if err != nil { - return nil, err - } + lock := e.tblInfo.Lock + if lock != nil && (lock.Tp == model.TableLockRead || lock.Tp == model.TableLockReadOnly) { + cacheDB := e.ctx.GetStore().GetMemCache() + val = cacheDB.Get(ctx, e.tblInfo.ID, key) + // key does not exist then get from snapshot and set to cache + if val == nil { + val, err = e.snapshot.Get(ctx, key) + if err != nil { + return nil, err + } - err := cacheDB.Set(e.tblInfo.ID, key, val) - if err != nil { - return nil, err + err := cacheDB.Set(e.tblInfo.ID, key, val) + if err != nil { + return nil, err + } } + return val, nil } - return val, nil + // if not read lock or table was unlock then snapshot get + return e.snapshot.Get(ctx, key) } // EncodeUniqueIndexKey encodes a unique index key. diff --git a/lock/lock.go b/lock/lock.go index 8e92e2a62ccc5..ecfc8093a5243 100644 --- a/lock/lock.go +++ b/lock/lock.go @@ -34,7 +34,7 @@ func NewChecker(ctx sessionctx.Context, is infoschema.InfoSchema) *Checker { } // CheckTableLock uses to check table lock. -func (c *Checker) CheckTableLock(db, table string, privilege mysql.PrivilegeType) error { +func (c *Checker) CheckTableLock(db, table string, privilege mysql.PrivilegeType, alterWriteable bool) error { if db == "" && table == "" { return nil } @@ -43,7 +43,7 @@ func (c *Checker) CheckTableLock(db, table string, privilege mysql.PrivilegeType return nil } // check operation on database. - if table == "" { + if !alterWriteable && table == "" { return c.CheckLockInDB(db, privilege) } switch privilege { @@ -67,7 +67,7 @@ func (c *Checker) CheckTableLock(db, table string, privilege mysql.PrivilegeType if err != nil { return err } - if c.ctx.HasLockedTables() { + if !alterWriteable && c.ctx.HasLockedTables() { if locked, tp := c.ctx.CheckTableLocked(tb.Meta().ID); locked { if checkLockTpMeetPrivilege(tp, privilege) { return nil @@ -83,19 +83,24 @@ func (c *Checker) CheckTableLock(db, table string, privilege mysql.PrivilegeType if privilege == mysql.SelectPriv { switch tb.Meta().Lock.Tp { - case model.TableLockRead, model.TableLockWriteLocal: + case model.TableLockRead, model.TableLockWriteLocal, model.TableLockReadOnly: return nil } } + if alterWriteable && tb.Meta().Lock.Tp == model.TableLockReadOnly { + return nil + } + return infoschema.ErrTableLocked.GenWithStackByArgs(tb.Meta().Name.L, tb.Meta().Lock.Tp, tb.Meta().Lock.Sessions[0]) } func checkLockTpMeetPrivilege(tp model.TableLockType, privilege mysql.PrivilegeType) bool { + // TableLockReadOnly doesn't need to check in this, because it is session unrelated. switch tp { case model.TableLockWrite, model.TableLockWriteLocal: return true case model.TableLockRead: - // ShowDBPriv, AllPrivMask,CreatePriv, CreateViewPriv already checked before. + // ShowDBPriv, AllPrivMask, CreatePriv, CreateViewPriv already checked before. // The other privilege in read lock was not allowed. if privilege == mysql.SelectPriv { return true @@ -117,7 +122,7 @@ func (c *Checker) CheckLockInDB(db string, privilege mysql.PrivilegeType) error } tables := c.is.SchemaTables(model.NewCIStr(db)) for _, tbl := range tables { - err := c.CheckTableLock(db, tbl.Meta().Name.L, privilege) + err := c.CheckTableLock(db, tbl.Meta().Name.L, privilege, false) if err != nil { return err } diff --git a/planner/core/logical_plan_test.go b/planner/core/logical_plan_test.go index ee8d39b1017a6..9cc51f6fe2ea5 100644 --- a/planner/core/logical_plan_test.go +++ b/planner/core/logical_plan_test.go @@ -923,145 +923,145 @@ func (s *testPlanSuite) TestVisitInfo(c *C) { { sql: "insert into t (a) values (1)", ans: []visitInfo{ - {mysql.InsertPriv, "test", "t", "", nil}, + {mysql.InsertPriv, "test", "t", "", nil, false}, }, }, { sql: "delete from t where a = 1", ans: []visitInfo{ - {mysql.DeletePriv, "test", "t", "", nil}, - {mysql.SelectPriv, "test", "t", "", nil}, + {mysql.DeletePriv, "test", "t", "", nil, false}, + {mysql.SelectPriv, "test", "t", "", nil, false}, }, }, { sql: "delete from a1 using t as a1 inner join t as a2 where a1.a = a2.a", ans: []visitInfo{ - {mysql.DeletePriv, "test", "t", "", nil}, - {mysql.SelectPriv, "test", "t", "", nil}, + {mysql.DeletePriv, "test", "t", "", nil, false}, + {mysql.SelectPriv, "test", "t", "", nil, false}, }, }, { sql: "update t set a = 7 where a = 1", ans: []visitInfo{ - {mysql.UpdatePriv, "test", "t", "", nil}, - {mysql.SelectPriv, "test", "t", "", nil}, + {mysql.UpdatePriv, "test", "t", "", nil, false}, + {mysql.SelectPriv, "test", "t", "", nil, false}, }, }, { sql: "update t, (select * from t) a1 set t.a = a1.a;", ans: []visitInfo{ - {mysql.UpdatePriv, "test", "t", "", nil}, - {mysql.SelectPriv, "test", "t", "", nil}, + {mysql.UpdatePriv, "test", "t", "", nil, false}, + {mysql.SelectPriv, "test", "t", "", nil, false}, }, }, { sql: "update t a1 set a1.a = a1.a + 1", ans: []visitInfo{ - {mysql.UpdatePriv, "test", "t", "", nil}, - {mysql.SelectPriv, "test", "t", "", nil}, + {mysql.UpdatePriv, "test", "t", "", nil, false}, + {mysql.SelectPriv, "test", "t", "", nil, false}, }, }, { sql: "select a, sum(e) from t group by a", ans: []visitInfo{ - {mysql.SelectPriv, "test", "t", "", nil}, + {mysql.SelectPriv, "test", "t", "", nil, false}, }, }, { sql: "truncate table t", ans: []visitInfo{ - {mysql.DropPriv, "test", "t", "", nil}, + {mysql.DropPriv, "test", "t", "", nil, false}, }, }, { sql: "drop table t", ans: []visitInfo{ - {mysql.DropPriv, "test", "t", "", nil}, + {mysql.DropPriv, "test", "t", "", nil, false}, }, }, { sql: "create table t (a int)", ans: []visitInfo{ - {mysql.CreatePriv, "test", "t", "", nil}, + {mysql.CreatePriv, "test", "t", "", nil, false}, }, }, { sql: "create table t1 like t", ans: []visitInfo{ - {mysql.CreatePriv, "test", "t1", "", nil}, - {mysql.SelectPriv, "test", "t", "", nil}, + {mysql.CreatePriv, "test", "t1", "", nil, false}, + {mysql.SelectPriv, "test", "t", "", nil, false}, }, }, { sql: "create database test", ans: []visitInfo{ - {mysql.CreatePriv, "test", "", "", nil}, + {mysql.CreatePriv, "test", "", "", nil, false}, }, }, { sql: "drop database test", ans: []visitInfo{ - {mysql.DropPriv, "test", "", "", nil}, + {mysql.DropPriv, "test", "", "", nil, false}, }, }, { sql: "create index t_1 on t (a)", ans: []visitInfo{ - {mysql.IndexPriv, "test", "t", "", nil}, + {mysql.IndexPriv, "test", "t", "", nil, false}, }, }, { sql: "drop index e on t", ans: []visitInfo{ - {mysql.IndexPriv, "test", "t", "", nil}, + {mysql.IndexPriv, "test", "t", "", nil, false}, }, }, { sql: `grant all privileges on test.* to 'test'@'%'`, ans: []visitInfo{ - {mysql.SelectPriv, "test", "", "", nil}, - {mysql.InsertPriv, "test", "", "", nil}, - {mysql.UpdatePriv, "test", "", "", nil}, - {mysql.DeletePriv, "test", "", "", nil}, - {mysql.CreatePriv, "test", "", "", nil}, - {mysql.DropPriv, "test", "", "", nil}, - {mysql.GrantPriv, "test", "", "", nil}, - {mysql.AlterPriv, "test", "", "", nil}, - {mysql.ExecutePriv, "test", "", "", nil}, - {mysql.IndexPriv, "test", "", "", nil}, - {mysql.CreateViewPriv, "test", "", "", nil}, - {mysql.ShowViewPriv, "test", "", "", nil}, + {mysql.SelectPriv, "test", "", "", nil, false}, + {mysql.InsertPriv, "test", "", "", nil, false}, + {mysql.UpdatePriv, "test", "", "", nil, false}, + {mysql.DeletePriv, "test", "", "", nil, false}, + {mysql.CreatePriv, "test", "", "", nil, false}, + {mysql.DropPriv, "test", "", "", nil, false}, + {mysql.GrantPriv, "test", "", "", nil, false}, + {mysql.AlterPriv, "test", "", "", nil, false}, + {mysql.ExecutePriv, "test", "", "", nil, false}, + {mysql.IndexPriv, "test", "", "", nil, false}, + {mysql.CreateViewPriv, "test", "", "", nil, false}, + {mysql.ShowViewPriv, "test", "", "", nil, false}, }, }, { sql: `grant select on test.ttt to 'test'@'%'`, ans: []visitInfo{ - {mysql.SelectPriv, "test", "ttt", "", nil}, - {mysql.GrantPriv, "test", "ttt", "", nil}, + {mysql.SelectPriv, "test", "ttt", "", nil, false}, + {mysql.GrantPriv, "test", "ttt", "", nil, false}, }, }, { sql: `grant select on ttt to 'test'@'%'`, ans: []visitInfo{ - {mysql.SelectPriv, "test", "ttt", "", nil}, - {mysql.GrantPriv, "test", "ttt", "", nil}, + {mysql.SelectPriv, "test", "ttt", "", nil, false}, + {mysql.GrantPriv, "test", "ttt", "", nil, false}, }, }, { sql: `revoke all privileges on test.* from 'test'@'%'`, ans: []visitInfo{ - {mysql.SelectPriv, "test", "", "", nil}, - {mysql.InsertPriv, "test", "", "", nil}, - {mysql.UpdatePriv, "test", "", "", nil}, - {mysql.DeletePriv, "test", "", "", nil}, - {mysql.CreatePriv, "test", "", "", nil}, - {mysql.DropPriv, "test", "", "", nil}, - {mysql.GrantPriv, "test", "", "", nil}, - {mysql.AlterPriv, "test", "", "", nil}, - {mysql.ExecutePriv, "test", "", "", nil}, - {mysql.IndexPriv, "test", "", "", nil}, - {mysql.CreateViewPriv, "test", "", "", nil}, - {mysql.ShowViewPriv, "test", "", "", nil}, + {mysql.SelectPriv, "test", "", "", nil, false}, + {mysql.InsertPriv, "test", "", "", nil, false}, + {mysql.UpdatePriv, "test", "", "", nil, false}, + {mysql.DeletePriv, "test", "", "", nil, false}, + {mysql.CreatePriv, "test", "", "", nil, false}, + {mysql.DropPriv, "test", "", "", nil, false}, + {mysql.GrantPriv, "test", "", "", nil, false}, + {mysql.AlterPriv, "test", "", "", nil, false}, + {mysql.ExecutePriv, "test", "", "", nil, false}, + {mysql.IndexPriv, "test", "", "", nil, false}, + {mysql.CreateViewPriv, "test", "", "", nil, false}, + {mysql.ShowViewPriv, "test", "", "", nil, false}, }, }, { @@ -1071,44 +1071,44 @@ func (s *testPlanSuite) TestVisitInfo(c *C) { { sql: `show create table test.ttt`, ans: []visitInfo{ - {mysql.AllPrivMask, "test", "ttt", "", nil}, + {mysql.AllPrivMask, "test", "ttt", "", nil, false}, }, }, { sql: "alter table t add column a int(4)", ans: []visitInfo{ - {mysql.AlterPriv, "test", "t", "", nil}, + {mysql.AlterPriv, "test", "t", "", nil, false}, }, }, { sql: "rename table t_old to t_new", ans: []visitInfo{ - {mysql.AlterPriv, "test", "t_old", "", nil}, - {mysql.DropPriv, "test", "t_old", "", nil}, - {mysql.CreatePriv, "test", "t_new", "", nil}, - {mysql.InsertPriv, "test", "t_new", "", nil}, + {mysql.AlterPriv, "test", "t_old", "", nil, false}, + {mysql.DropPriv, "test", "t_old", "", nil, false}, + {mysql.CreatePriv, "test", "t_new", "", nil, false}, + {mysql.InsertPriv, "test", "t_new", "", nil, false}, }, }, { sql: "alter table t_old rename to t_new", ans: []visitInfo{ - {mysql.AlterPriv, "test", "t_old", "", nil}, - {mysql.DropPriv, "test", "t_old", "", nil}, - {mysql.CreatePriv, "test", "t_new", "", nil}, - {mysql.InsertPriv, "test", "t_new", "", nil}, + {mysql.AlterPriv, "test", "t_old", "", nil, false}, + {mysql.DropPriv, "test", "t_old", "", nil, false}, + {mysql.CreatePriv, "test", "t_new", "", nil, false}, + {mysql.InsertPriv, "test", "t_new", "", nil, false}, }, }, { sql: "alter table t drop partition p0;", ans: []visitInfo{ - {mysql.AlterPriv, "test", "t", "", nil}, - {mysql.DropPriv, "test", "t", "", nil}, + {mysql.AlterPriv, "test", "t", "", nil, false}, + {mysql.DropPriv, "test", "t", "", nil, false}, }, }, { sql: "flush privileges", ans: []visitInfo{ - {mysql.ReloadPriv, "", "", "", ErrSpecificAccessDenied}, + {mysql.ReloadPriv, "", "", "", ErrSpecificAccessDenied, false}, }, }, } diff --git a/planner/core/optimizer.go b/planner/core/optimizer.go index 983713c36acaa..2db34e9ba19f5 100644 --- a/planner/core/optimizer.go +++ b/planner/core/optimizer.go @@ -111,7 +111,7 @@ func CheckTableLock(ctx sessionctx.Context, is infoschema.InfoSchema, vs []visit } checker := lock.NewChecker(ctx, is) for i := range vs { - err := checker.CheckTableLock(vs[i].db, vs[i].table, vs[i].privilege) + err := checker.CheckTableLock(vs[i].db, vs[i].table, vs[i].privilege, vs[i].alterWritable) if err != nil { return err } diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index 5c1705f33eb34..8ea9382cecec7 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -57,11 +57,12 @@ import ( ) type visitInfo struct { - privilege mysql.PrivilegeType - db string - table string - column string - err error + privilege mysql.PrivilegeType + db string + table string + column string + err error + alterWritable bool } type indexNestedLoopJoinTables struct { @@ -2987,6 +2988,8 @@ func (b *PlanBuilder) buildDDL(ctx context.Context, node ast.DDLNode) (Plan, err } b.visitInfo = appendVisitInfo(b.visitInfo, mysql.DropPriv, v.Table.Schema.L, v.Table.Name.L, "", authErr) + } else if spec.Tp == ast.AlterTableWriteable { + b.visitInfo[0].alterWritable = true } } case *ast.AlterSequenceStmt: diff --git a/planner/core/point_get_plan.go b/planner/core/point_get_plan.go index 92de0d683705f..c62d1181e1ab2 100644 --- a/planner/core/point_get_plan.go +++ b/planner/core/point_get_plan.go @@ -875,7 +875,7 @@ func newPointGetPlan(ctx sessionctx.Context, dbName string, schema *expression.S func checkFastPlanPrivilege(ctx sessionctx.Context, dbName, tableName string, checkTypes ...mysql.PrivilegeType) error { pm := privilege.GetPrivilegeManager(ctx) - visitInfos := []visitInfo{} + var visitInfos []visitInfo for _, checkType := range checkTypes { if pm != nil && !pm.RequestVerification(ctx.GetSessionVars().ActiveRoles, dbName, tableName, "", checkType) { return errors.New("privilege check fail") diff --git a/session/session.go b/session/session.go index 19bfea96d2a79..2c3c175fcdc48 100644 --- a/session/session.go +++ b/session/session.go @@ -197,7 +197,10 @@ type session struct { // AddTableLock adds table lock to the session lock map. func (s *session) AddTableLock(locks []model.TableLockTpInfo) { for _, l := range locks { - s.lockedTables[l.TableID] = l + // read only lock is session unrelated, skip it when adding lock to session. + if l.Tp != model.TableLockReadOnly { + s.lockedTables[l.TableID] = l + } } } From 07ff41d0c43ec18fc4bbc16b59f7473fedbf701d Mon Sep 17 00:00:00 2001 From: Wenxuan Date: Wed, 25 Nov 2020 11:06:55 +0800 Subject: [PATCH 0287/1021] coprocessor: Update KvProto (#20966) Signed-off-by: Breezewish --- go.mod | 2 +- go.sum | 5 ++ .../unistore/cophandler/cop_handler.go | 13 ++-- store/tikv/batch_coprocessor.go | 4 +- store/tikv/coprocessor.go | 74 +++++++++++-------- 5 files changed, 58 insertions(+), 40 deletions(-) diff --git a/go.mod b/go.mod index 02ad52373abe1..1f165f9e246fc 100644 --- a/go.mod +++ b/go.mod @@ -45,7 +45,7 @@ require ( github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce github.com/pingcap/fn v0.0.0-20200306044125-d5540d389059 github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 - github.com/pingcap/kvproto v0.0.0-20201113092725-08f2872278eb + github.com/pingcap/kvproto v0.0.0-20201120081251-756b1447ba12 github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 github.com/pingcap/parser v0.0.0-20201123080035-8f4c6ab94e11 github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 diff --git a/go.sum b/go.sum index 3df09bc124a42..6f1b49086e80d 100644 --- a/go.sum +++ b/go.sum @@ -614,6 +614,7 @@ github.com/opentracing/opentracing-go v1.0.2/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFSt github.com/opentracing/opentracing-go v1.0.3-0.20180606204148-bd9c31933947/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o= github.com/opentracing/opentracing-go v1.1.0 h1:pWlfV3Bxv7k65HYwkikxat0+s3pV4bsqf19k25Ur8rU= github.com/opentracing/opentracing-go v1.1.0/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o= +github.com/otiai10/copy v1.2.0 h1:HvG945u96iNadPoG2/Ja2+AUJeW5YuFQMixq9yirC+k= github.com/otiai10/copy v1.2.0/go.mod h1:rrF5dJ5F0t/EWSYODDu4j9/vEeYHMkc8jt0zJChqQWw= github.com/otiai10/curr v0.0.0-20150429015615-9b4961190c95/go.mod h1:9qAhocn7zKJG+0mI8eUu6xqkFDYS2kb2saOteoSB3cE= github.com/otiai10/curr v1.0.0/go.mod h1:LskTG5wDwr8Rs+nNQ+1LlxRjAtTZZjtJW4rMXl6j4vs= @@ -680,6 +681,8 @@ github.com/pingcap/kvproto v0.0.0-20200420075417-e0c6e8842f22/go.mod h1:IOdRDPLy github.com/pingcap/kvproto v0.0.0-20200810113304-6157337686b1/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/kvproto v0.0.0-20201113092725-08f2872278eb h1:K3r4KjVQeD4nLnfj44ibdLIXnUh58aQpkgVNWuBO9z0= github.com/pingcap/kvproto v0.0.0-20201113092725-08f2872278eb/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= +github.com/pingcap/kvproto v0.0.0-20201120081251-756b1447ba12 h1:f33y/pngBI525jqytoSZevpmmq43XiIHoeElx3BppNQ= +github.com/pingcap/kvproto v0.0.0-20201120081251-756b1447ba12/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/log v0.0.0-20191012051959-b742a5d432e9/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200117041106-d28c14d3b1cd/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200511115504-543df19646ad/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= @@ -709,6 +712,7 @@ github.com/pingcap/tipb v0.0.0-20190428032612-535e1abaa330/go.mod h1:RtkHW8WbcNx github.com/pingcap/tipb v0.0.0-20200417094153-7316d94df1ee/go.mod h1:RtkHW8WbcNxj8lsbzjaILci01CtYnYbIkQhjyZWrWVI= github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f h1:J+0TAI+7Hvebz4bM4GnRCRT4MpjYnUxbyi9ky5ZQUsU= github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f/go.mod h1:RtkHW8WbcNxj8lsbzjaILci01CtYnYbIkQhjyZWrWVI= +github.com/pingcap/tiup v1.2.3 h1:8OCQF7sHhT6VqE8pZU1JTSogPA90OFuWWM/B746x0YY= github.com/pingcap/tiup v1.2.3/go.mod h1:q8WzflNHjE1U49k2qstTL0clx2pKh8pkOzUFV4RTvQo= github.com/pkg/browser v0.0.0-20180916011732-0a3d74bf9ce4/go.mod h1:4OwLy04Bl9Ef3GJJCoec+30X3LQs/0/m4HFRt/2LUSA= github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= @@ -752,6 +756,7 @@ github.com/prometheus/procfs v0.0.8 h1:+fpWZdT24pJBiqJdAwYBjPSk+5YmQzYNPYzQsdzLk github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+GxbHq6oeK9A= github.com/prometheus/prom2json v1.3.0/go.mod h1:rMN7m0ApCowcoDlypBHlkNbp5eJQf/+1isKykIP5ZnM= github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU= +github.com/r3labs/diff v0.0.0-20200627101315-aecd9dd05dd2 h1:786HUIrynbbk5PzUf9Rp3aAUkNRksUiiipSAlyJ68As= github.com/r3labs/diff v0.0.0-20200627101315-aecd9dd05dd2/go.mod h1:7WjXasNzi0vJetRcB/RqNl5dlIsmXcTTLmF5IoH6Xig= github.com/rakyll/statik v0.1.6/go.mod h1:OEi9wJV/fMUAGx1eNjq75DKDsJVuEv1U0oYdX6GX8Zs= github.com/rcrowley/go-metrics v0.0.0-20190826022208-cac0b30c2563/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4= diff --git a/store/mockstore/unistore/cophandler/cop_handler.go b/store/mockstore/unistore/cophandler/cop_handler.go index d34ba9f35ea1a..7f63a8734d9e4 100644 --- a/store/mockstore/unistore/cophandler/cop_handler.go +++ b/store/mockstore/unistore/cophandler/cop_handler.go @@ -77,11 +77,11 @@ func handleCopDAGRequest(dbReader *dbreader.DBReader, lockStore *lockstore.MemSt resp.CanBeCached = true resp.CacheLastVersion = uint64(cacheVersion.(int)) if resp.ExecDetails == nil { - resp.ExecDetails = &kvrpcpb.ExecDetails{HandleTime: &kvrpcpb.HandleTime{ProcessMs: 500}} - } else if resp.ExecDetails.HandleTime == nil { - resp.ExecDetails.HandleTime = &kvrpcpb.HandleTime{ProcessMs: 500} + resp.ExecDetails = &kvrpcpb.ExecDetails{TimeDetail: &kvrpcpb.TimeDetail{ProcessWallTimeMs: 500}} + } else if resp.ExecDetails.TimeDetail == nil { + resp.ExecDetails.TimeDetail = &kvrpcpb.TimeDetail{ProcessWallTimeMs: 500} } else { - resp.ExecDetails.HandleTime.ProcessMs = 500 + resp.ExecDetails.TimeDetail.ProcessWallTimeMs = 500 } }() } @@ -352,7 +352,10 @@ func buildResp(chunks []tipb.Chunk, closureExecutor *closureExecutor, dagReq *ti } } resp.ExecDetails = &kvrpcpb.ExecDetails{ - HandleTime: &kvrpcpb.HandleTime{ProcessMs: int64(dur / time.Millisecond)}, + TimeDetail: &kvrpcpb.TimeDetail{ProcessWallTimeMs: int64(dur / time.Millisecond)}, + } + resp.ExecDetailsV2 = &kvrpcpb.ExecDetailsV2{ + TimeDetail: resp.ExecDetails.TimeDetail, } data, err := proto.Marshal(selResp) if err != nil { diff --git a/store/tikv/batch_coprocessor.go b/store/tikv/batch_coprocessor.go index a716ae38165c3..c3dfe72ccd559 100644 --- a/store/tikv/batch_coprocessor.go +++ b/store/tikv/batch_coprocessor.go @@ -345,8 +345,8 @@ func (b *batchCopIterator) handleTaskOnce(ctx context.Context, bo *Backoffer, ta IsolationLevel: pbIsolationLevel(b.req.IsolationLevel), Priority: kvPriorityToCommandPri(b.req.Priority), NotFillCache: b.req.NotFillCache, - HandleTime: true, - ScanDetail: true, + RecordTimeStat: true, + RecordScanStat: true, TaskId: b.req.TaskID, }) req.StoreTp = kv.TiFlash diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go index fcb0f85c64f54..702f4198e829f 100644 --- a/store/tikv/coprocessor.go +++ b/store/tikv/coprocessor.go @@ -848,8 +848,8 @@ func (worker *copIteratorWorker) handleTaskOnce(bo *Backoffer, task *copTask, ch IsolationLevel: pbIsolationLevel(worker.req.IsolationLevel), Priority: kvPriorityToCommandPri(worker.req.Priority), NotFillCache: worker.req.NotFillCache, - HandleTime: true, - ScanDetail: true, + RecordTimeStat: true, + RecordScanStat: true, TaskId: worker.req.TaskID, }) req.StoreTp = task.storeType @@ -974,14 +974,17 @@ func (worker *copIteratorWorker) logTimeCopTask(costTime time.Duration, task *co backoffTypes := strings.Replace(fmt.Sprintf("%v", bo.types), " ", ",", -1) logStr += fmt.Sprintf(" backoff_ms:%d backoff_types:%s", bo.totalSleep, backoffTypes) } + var detailV2 *kvrpcpb.ExecDetailsV2 var detail *kvrpcpb.ExecDetails if resp.Resp != nil { switch r := resp.Resp.(type) { case *coprocessor.Response: + detailV2 = r.ExecDetailsV2 detail = r.ExecDetails case *tikvrpc.CopStreamResponse: // streaming request returns io.EOF, so the first CopStreamResponse.Response maybe nil. if r.Response != nil { + detailV2 = r.Response.ExecDetailsV2 detail = r.Response.ExecDetails } default: @@ -989,33 +992,33 @@ func (worker *copIteratorWorker) logTimeCopTask(costTime time.Duration, task *co } } - if detail != nil && detail.HandleTime != nil { - processMs := detail.HandleTime.ProcessMs - waitMs := detail.HandleTime.WaitMs - if processMs > minLogKVProcessTime { - logStr += fmt.Sprintf(" kv_process_ms:%d", processMs) - if detail.ScanDetail != nil { - logStr = appendScanDetail(logStr, "write", detail.ScanDetail.Write) - logStr = appendScanDetail(logStr, "data", detail.ScanDetail.Data) - logStr = appendScanDetail(logStr, "lock", detail.ScanDetail.Lock) - } - if detail.ScanDetailV2 != nil { - logStr += fmt.Sprintf(" processed versions: %d", detail.ScanDetailV2.ProcessedVersions) - logStr += fmt.Sprintf(" total versions: %d", detail.ScanDetailV2.TotalVersions) - logStr += fmt.Sprintf(" delete skipped count: %d", detail.ScanDetailV2.RocksdbDeleteSkippedCount) - logStr += fmt.Sprintf(" key skipped count: %d", detail.ScanDetailV2.RocksdbKeySkippedCount) - logStr += fmt.Sprintf(" cache hit count: %d", detail.ScanDetailV2.RocksdbBlockCacheHitCount) - logStr += fmt.Sprintf(" read count: %d", detail.ScanDetailV2.RocksdbBlockReadCount) - logStr += fmt.Sprintf(" read byte: %d", detail.ScanDetailV2.RocksdbBlockReadByte) - } - } - if waitMs > minLogKVWaitTime { - logStr += fmt.Sprintf(" kv_wait_ms:%d", waitMs) - if processMs <= minLogKVProcessTime { - logStr = strings.Replace(logStr, "TIME_COP_PROCESS", "TIME_COP_WAIT", 1) - } + var timeDetail *kvrpcpb.TimeDetail + if detailV2 != nil && detailV2.TimeDetail != nil { + timeDetail = detailV2.TimeDetail + } else if detail != nil && detail.TimeDetail != nil { + timeDetail = detail.TimeDetail + } + if timeDetail != nil { + logStr += fmt.Sprintf(" kv_process_ms:%d", timeDetail.ProcessWallTimeMs) + logStr += fmt.Sprintf(" kv_wait_ms:%d", timeDetail.WaitWallTimeMs) + if timeDetail.ProcessWallTimeMs <= minLogKVProcessTime { + logStr = strings.Replace(logStr, "TIME_COP_PROCESS", "TIME_COP_WAIT", 1) } } + + if detailV2 != nil && detailV2.ScanDetailV2 != nil { + logStr += fmt.Sprintf(" processed_versions:%d", detailV2.ScanDetailV2.ProcessedVersions) + logStr += fmt.Sprintf(" total_versions:%d", detailV2.ScanDetailV2.TotalVersions) + logStr += fmt.Sprintf(" rocksdb_delete_skipped_count:%d", detailV2.ScanDetailV2.RocksdbDeleteSkippedCount) + logStr += fmt.Sprintf(" rocksdb_key_skipped_count:%d", detailV2.ScanDetailV2.RocksdbKeySkippedCount) + logStr += fmt.Sprintf(" rocksdb_cache_hit_count:%d", detailV2.ScanDetailV2.RocksdbBlockCacheHitCount) + logStr += fmt.Sprintf(" rocksdb_read_count:%d", detailV2.ScanDetailV2.RocksdbBlockReadCount) + logStr += fmt.Sprintf(" rocksdb_read_byte:%d", detailV2.ScanDetailV2.RocksdbBlockReadByte) + } else if detail != nil && detail.ScanDetail != nil { + logStr = appendScanDetail(logStr, "write", detail.ScanDetail.Write) + logStr = appendScanDetail(logStr, "data", detail.ScanDetail.Data) + logStr = appendScanDetail(logStr, "lock", detail.ScanDetail.Lock) + } logutil.Logger(bo.ctx).Info(logStr) } @@ -1130,10 +1133,11 @@ func (worker *copIteratorWorker) handleCopResponse(bo *Backoffer, rpcCtx *RPCCon resp.detail.CalleeAddress = rpcCtx.Addr } resp.respTime = costTime - if pbDetails := resp.pbResp.ExecDetails; pbDetails != nil { - if handleTime := pbDetails.HandleTime; handleTime != nil { - resp.detail.WaitTime = time.Duration(handleTime.WaitMs) * time.Millisecond - resp.detail.ProcessTime = time.Duration(handleTime.ProcessMs) * time.Millisecond + if pbDetails := resp.pbResp.ExecDetailsV2; pbDetails != nil { + // Take values in `ExecDetailsV2` first. + if timeDetail := pbDetails.TimeDetail; timeDetail != nil { + resp.detail.WaitTime = time.Duration(timeDetail.WaitWallTimeMs) * time.Millisecond + resp.detail.ProcessTime = time.Duration(timeDetail.ProcessWallTimeMs) * time.Millisecond } if scanDetailV2 := pbDetails.ScanDetailV2; scanDetailV2 != nil { copDetail := &execdetails.CopDetails{ @@ -1146,7 +1150,13 @@ func (worker *copIteratorWorker) handleCopResponse(bo *Backoffer, rpcCtx *RPCCon RocksdbBlockReadByte: scanDetailV2.RocksdbBlockReadByte, } resp.detail.CopDetail = copDetail - } else if scanDetail := pbDetails.ScanDetail; scanDetail != nil { + } + } else if pbDetails := resp.pbResp.ExecDetails; pbDetails != nil { + if timeDetail := pbDetails.TimeDetail; timeDetail != nil { + resp.detail.WaitTime = time.Duration(timeDetail.WaitWallTimeMs) * time.Millisecond + resp.detail.ProcessTime = time.Duration(timeDetail.ProcessWallTimeMs) * time.Millisecond + } + if scanDetail := pbDetails.ScanDetail; scanDetail != nil { if scanDetail.Write != nil { resp.detail.CopDetail = &execdetails.CopDetails{ ProcessedKeys: scanDetail.Write.Processed, From 1a91c1a10c35c486c16c96e3d72a7a3414859d4c Mon Sep 17 00:00:00 2001 From: Win-Man <825895587@qq.com> Date: Wed, 25 Nov 2020 11:21:54 +0800 Subject: [PATCH 0288/1021] executor: fix sum(double) result if value is +Inf or -Inf (#21058) --- server/util.go | 3 +++ server/util_test.go | 14 ++++++++++++++ 2 files changed, 17 insertions(+) diff --git a/server/util.go b/server/util.go index c4a70676f6c3a..a5054b158720f 100644 --- a/server/util.go +++ b/server/util.go @@ -366,6 +366,9 @@ const ( func appendFormatFloat(in []byte, fVal float64, prec, bitSize int) []byte { absVal := math.Abs(fVal) + if absVal > math.MaxFloat64 || math.IsNaN(absVal) { + return []byte{'0'} + } isEFormat := false if bitSize == 32 { isEFormat = (prec == types.UnspecifiedLength && (float32(absVal) >= expFormatBig || (float32(absVal) != 0 && float32(absVal) < expFormatSmall))) diff --git a/server/util_test.go b/server/util_test.go index de209d2a644e2..ff56a216c87df 100644 --- a/server/util_test.go +++ b/server/util_test.go @@ -14,6 +14,7 @@ package server import ( + "strconv" "time" . "github.com/pingcap/check" @@ -251,6 +252,7 @@ func mustDecodeStr(c *C, b []byte) string { } func (s *testUtilSuite) TestAppendFormatFloat(c *C) { + infVal, _ := strconv.ParseFloat("+Inf", 64) tests := []struct { fVal float64 out string @@ -401,6 +403,18 @@ func (s *testUtilSuite) TestAppendFormatFloat(c *C) { -1, 32, }, + { + infVal, + "0", + -1, + 64, + }, + { + -infVal, + "0", + -1, + 64, + }, } for _, t := range tests { c.Assert(string(appendFormatFloat(nil, t.fVal, t.prec, t.bitSize)), Equals, t.out) From f4e58eecab8be33ad25983b17be15b90a483f19d Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Wed, 25 Nov 2020 11:46:36 +0800 Subject: [PATCH 0289/1021] ddl: compare expression in check partition definition according to column type (#21226) --- ddl/db_partition_test.go | 12 ++++++++++++ ddl/ddl_api.go | 8 ++++---- planner/core/integration_test.go | 14 ++++++++++++++ planner/core/partition_pruning_test.go | 16 ++++++++-------- 4 files changed, 38 insertions(+), 12 deletions(-) diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index 4a73eaab1b019..344cc06004c1d 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -405,6 +405,18 @@ create table log_message_1 ( "create table t (id int) partition by range columns (id);", ast.ErrPartitionsMustBeDefined, }, + { + "create table t(a datetime) partition by range columns (a) (partition p1 values less than ('2000-02-01'), partition p2 values less than ('20000102'));", + ddl.ErrRangeNotIncreasing, + }, + { + "create table t(a time) partition by range columns (a) (partition p1 values less than ('202020'), partition p2 values less than ('20:20:10'));", + ddl.ErrRangeNotIncreasing, + }, + { + "create table t(a time) partition by range columns (a) (partition p1 values less than ('202090'));", + ddl.ErrWrongTypeColumnValue, + }, { "create table t (id int) partition by range columns (id) (partition p0 values less than (1, 2));", ast.ErrPartitionColumnList, diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index e9dd8151c2bfa..eb7c4a49b023e 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -2065,7 +2065,7 @@ func checkColumnsPartitionType(tbInfo *model.TableInfo) error { // See https://dev.mysql.com/doc/mysql-partitioning-excerpt/5.7/en/partitioning-columns.html switch colInfo.FieldType.Tp { case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: - case mysql.TypeDate, mysql.TypeDatetime: + case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeDuration: case mysql.TypeVarchar, mysql.TypeString: default: return ErrNotAllowedTypeInPartition.GenWithStackByArgs(col.O) @@ -2138,11 +2138,11 @@ func checkTwoRangeColumns(ctx sessionctx.Context, curr, prev *model.PartitionDef } func parseAndEvalBoolExpr(ctx sessionctx.Context, l, r string, colInfo *model.ColumnInfo, tbInfo *model.TableInfo) (bool, error) { - lexpr, err := expression.ParseSimpleExprWithTableInfo(ctx, l, tbInfo) + lexpr, err := expression.ParseSimpleExprCastWithTableInfo(ctx, l, tbInfo, &colInfo.FieldType) if err != nil { return false, err } - rexpr, err := expression.ParseSimpleExprWithTableInfo(ctx, r, tbInfo) + rexpr, err := expression.ParseSimpleExprCastWithTableInfo(ctx, r, tbInfo, &colInfo.FieldType) if err != nil { return false, err } @@ -5321,7 +5321,7 @@ func checkColumnsTypeAndValuesMatch(ctx sessionctx.Context, meta *model.TableInf // Check val.ConvertTo(colType) doesn't work, so we need this case by case check. vkind := val.Kind() switch colType.Tp { - case mysql.TypeDate, mysql.TypeDatetime: + case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeDuration: switch vkind { case types.KindString, types.KindBytes: if _, err := val.ConvertTo(ctx.GetSessionVars().StmtCtx, colType); err != nil { diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 656943ec7a569..9fa689298e349 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -724,6 +724,20 @@ func (s *testIntegrationSuite) TestPartitionPruningForInExpr(c *C) { } } +func (s *testIntegrationSerialSuite) TestPartitionPruningWithDateType(c *C) { + tk := testkit.NewTestKit(c, s.store) + + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a datetime) partition by range columns (a) (partition p1 values less than ('20000101'), partition p2 values less than ('2000-10-01'));") + tk.MustExec("insert into t values ('20000201'), ('19000101');") + + // cannot get the statistical information immediately + // tk.MustQuery(`SELECT PARTITION_NAME,TABLE_ROWS FROM INFORMATION_SCHEMA.PARTITIONS WHERE TABLE_NAME = 't';`).Check(testkit.Rows("p1 1", "p2 1")) + str := tk.MustQuery(`desc select * from t where a < '2000-01-01';`).Rows()[0][3].(string) + c.Assert(strings.Contains(str, "partition:p1"), IsTrue) +} + func (s *testIntegrationSuite) TestPartitionPruningForEQ(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/planner/core/partition_pruning_test.go b/planner/core/partition_pruning_test.go index 3e7f3fae593b5..ecd536d15605d 100644 --- a/planner/core/partition_pruning_test.go +++ b/planner/core/partition_pruning_test.go @@ -368,11 +368,11 @@ func (s *testPartitionPruningSuite) TestPartitionRangePrunner2Date(c *C) { "a", ) lessThanDataInt := []string{ - "'1999-06-01'", + "'19990601'", "'2000-05-01'", - "'2008-04-01'", + "'20080401'", "'2010-03-01'", - "'2016-02-01'", + "'20160201'", "'2020-01-01'"} lessThan := make([]expression.Expression, len(lessThanDataInt)) for i, str := range lessThanDataInt { @@ -387,16 +387,16 @@ func (s *testPartitionPruningSuite) TestPartitionRangePrunner2Date(c *C) { result partitionRangeOR }{ {"a < '1943-02-12'", partitionRangeOR{{0, 1}}}, - {"a >= '1969-02-13'", partitionRangeOR{{0, 6}}}, + {"a >= '19690213'", partitionRangeOR{{0, 6}}}, {"a > '2003-03-13'", partitionRangeOR{{2, 6}}}, {"a < '2006-02-03'", partitionRangeOR{{0, 3}}}, - {"a = '2007-07-07'", partitionRangeOR{{2, 3}}}, + {"a = '20070707'", partitionRangeOR{{2, 3}}}, {"a > '1949-10-10'", partitionRangeOR{{0, 6}}}, - {"a > '2016-02-01' and a < '2000-01-03'", partitionRangeOR{}}, - {"a < '1969-11-12' or a >= '2019-09-18'", partitionRangeOR{{0, 1}, {5, 6}}}, + {"a > '2016-02-01' and a < '20000103'", partitionRangeOR{}}, + {"a < '19691112' or a >= '2019-09-18'", partitionRangeOR{{0, 1}, {5, 6}}}, {"a is null", partitionRangeOR{{0, 1}}}, {"'2003-02-27' >= a", partitionRangeOR{{0, 3}}}, - {"'2014-10-24' < a", partitionRangeOR{{4, 6}}}, + {"'20141024' < a", partitionRangeOR{{4, 6}}}, {"'2003-03-30' > a", partitionRangeOR{{0, 3}}}, } From 7e1289ba992f506a2e786852b0395d74e1f8220c Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Wed, 25 Nov 2020 12:22:54 +0800 Subject: [PATCH 0290/1021] *: fix unable to configure memory-usage-alarm by config file. (#21196) --- tidb-server/main.go | 1 + 1 file changed, 1 insertion(+) diff --git a/tidb-server/main.go b/tidb-server/main.go index 585e84c7623c4..a4469079e2b1b 100644 --- a/tidb-server/main.go +++ b/tidb-server/main.go @@ -566,6 +566,7 @@ func setGlobalVars() { variable.SetSysVar(variable.DataDir, cfg.Path) variable.SetSysVar(variable.TiDBSlowQueryFile, cfg.Log.SlowQueryFile) variable.SetSysVar(variable.TiDBIsolationReadEngines, strings.Join(cfg.IsolationRead.Engines, ", ")) + variable.MemoryUsageAlarmRatio.Store(cfg.Performance.MemoryUsageAlarmRatio) // For CI environment we default enable prepare-plan-cache. plannercore.SetPreparedPlanCache(config.CheckTableBeforeDrop || cfg.PreparedPlanCache.Enabled) From 06e99582d89b1e9be4477c5bebad494367f3454a Mon Sep 17 00:00:00 2001 From: Chengpeng Yan <41809508+Reminiscent@users.noreply.github.com> Date: Wed, 25 Nov 2020 14:40:41 +0800 Subject: [PATCH 0291/1021] planner: fix incorrect results when using a prefix index with OR condition (#21251) --- util/ranger/detacher.go | 4 ++ util/ranger/ranger_test.go | 36 +++++++++++++++ util/ranger/testdata/ranger_suite_in.json | 9 ++++ util/ranger/testdata/ranger_suite_out.json | 53 ++++++++++++++++++++++ 4 files changed, 102 insertions(+) diff --git a/util/ranger/detacher.go b/util/ranger/detacher.go index 123a4edc39f03..f87201cd0477d 100644 --- a/util/ranger/detacher.go +++ b/util/ranger/detacher.go @@ -455,6 +455,10 @@ func (d *rangeDetacher) detachDNFCondAndBuildRangeForIndex(condition *expression } } + // Take prefix index into consideration. + if hasPrefix(d.lengths) { + fixPrefixColRange(totalRanges, d.lengths, newTpSlice) + } totalRanges, err := UnionRanges(sc, totalRanges, d.mergeConsecutive) if err != nil { return nil, nil, false, errors.Trace(err) diff --git a/util/ranger/ranger_test.go b/util/ranger/ranger_test.go index f6c0e48f82f0b..952c5802a777a 100644 --- a/util/ranger/ranger_test.go +++ b/util/ranger/ranger_test.go @@ -1309,6 +1309,42 @@ func (s *testRangerSuite) TestCompIndexMultiColDNF2(c *C) { } } +func (s *testRangerSuite) TestPrefixIndexMultiColDNF(c *C) { + defer testleak.AfterTest(c)() + dom, store, err := newDomainStoreWithBootstrap(c) + defer func() { + dom.Close() + store.Close() + }() + c.Assert(err, IsNil) + testKit := testkit.NewTestKit(c, store) + testKit.MustExec("use test;") + testKit.MustExec("drop table if exists t2;") + testKit.MustExec("create table t2 (id int unsigned not null auto_increment primary key, t text, index(t(3)));") + testKit.MustExec("insert into t2 (t) values ('aaaa'),('a');") + + var input []string + var output []struct { + SQL string + Plan []string + Result []string + } + s.testData.GetTestCases(c, &input, &output) + inputLen := len(input) + for i, tt := range input { + s.testData.OnRecord(func() { + output[i].SQL = tt + output[i].Plan = s.testData.ConvertRowsToStrings(testKit.MustQuery("explain " + tt).Rows()) + output[i].Result = s.testData.ConvertRowsToStrings(testKit.MustQuery(tt).Rows()) + }) + testKit.MustQuery("explain " + tt).Check(testkit.Rows(output[i].Plan...)) + testKit.MustQuery(tt).Check(testkit.Rows(output[i].Result...)) + if i+1 == inputLen/2 { + testKit.MustExec("analyze table t2;") + } + } +} + func (s *testRangerSuite) TestIndexRangeForYear(c *C) { defer testleak.AfterTest(c)() dom, store, err := newDomainStoreWithBootstrap(c) diff --git a/util/ranger/testdata/ranger_suite_in.json b/util/ranger/testdata/ranger_suite_in.json index ef91c4d91e0b9..98c802b1921b8 100644 --- a/util/ranger/testdata/ranger_suite_in.json +++ b/util/ranger/testdata/ranger_suite_in.json @@ -58,5 +58,14 @@ "select * from t where (a,b) in ((1,1),(2,2)) and c > 2;", "select * from t where ((a = 1 and b = 1) or (a = 2 and b = 2)) and c > 2;" ] + }, + { + "name": "TestPrefixIndexMultiColDNF", + "cases": [ + "select * from t2 where t='aaaa';", + "select * from t2 where t='aaaa' or t = 'a';", + "select * from t2 where t='aaaa';", + "select * from t2 where t='aaaa' or t = 'a';" + ] } ] diff --git a/util/ranger/testdata/ranger_suite_out.json b/util/ranger/testdata/ranger_suite_out.json index afc482289f272..1e3dde775b1c7 100644 --- a/util/ranger/testdata/ranger_suite_out.json +++ b/util/ranger/testdata/ranger_suite_out.json @@ -334,5 +334,58 @@ ] } ] + }, + { + "Name": "TestPrefixIndexMultiColDNF", + "Cases": [ + { + "SQL": "select * from t2 where t='aaaa';", + "Plan": [ + "IndexLookUp_11 10.00 root ", + "├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t2, index:t(t) range:[\"aaa\",\"aaa\"], keep order:false, stats:pseudo", + "└─Selection_10(Probe) 10.00 cop[tikv] eq(test.t2.t, \"aaaa\")", + " └─TableRowIDScan_9 10.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ], + "Result": [ + "1 aaaa" + ] + }, + { + "SQL": "select * from t2 where t='aaaa' or t = 'a';", + "Plan": [ + "IndexLookUp_11 16.00 root ", + "├─IndexRangeScan_8(Build) 20.00 cop[tikv] table:t2, index:t(t) range:[\"a\",\"a\"], [\"aaa\",\"aaa\"], keep order:false, stats:pseudo", + "└─Selection_10(Probe) 16.00 cop[tikv] or(eq(test.t2.t, \"aaaa\"), eq(test.t2.t, \"a\"))", + " └─TableRowIDScan_9 20.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ], + "Result": [ + "1 aaaa", + "2 a" + ] + }, + { + "SQL": "select * from t2 where t='aaaa';", + "Plan": [ + "TableReader_7 0.00 root data:Selection_6", + "└─Selection_6 0.00 cop[tikv] eq(test.t2.t, \"aaaa\")", + " └─TableRangeScan_5 2.00 cop[tikv] table:t2 range:[0,+inf], keep order:false" + ], + "Result": [ + "1 aaaa" + ] + }, + { + "SQL": "select * from t2 where t='aaaa' or t = 'a';", + "Plan": [ + "TableReader_7 0.80 root data:Selection_6", + "└─Selection_6 0.80 cop[tikv] or(eq(test.t2.t, \"aaaa\"), eq(test.t2.t, \"a\"))", + " └─TableRangeScan_5 2.00 cop[tikv] table:t2 range:[0,+inf], keep order:false" + ], + "Result": [ + "1 aaaa", + "2 a" + ] + } + ] } ] From f9cd7ed69dc07d4a83e78cda3c70528aec3d53e8 Mon Sep 17 00:00:00 2001 From: Ling Jin Date: Wed, 25 Nov 2020 15:37:51 +0800 Subject: [PATCH 0292/1021] planner, executor: parallelize stream aggregation with shuffle. (#21095) --- executor/aggregate_test.go | 110 +++++++++++++++++ executor/benchmark_test.go | 154 ++++++++++++++++-------- executor/builder.go | 4 +- executor/executor_required_rows_test.go | 2 +- planner/core/physical_plans.go | 3 +- planner/core/plan.go | 39 +++++- planner/core/resolve_indices.go | 6 +- 7 files changed, 254 insertions(+), 64 deletions(-) diff --git a/executor/aggregate_test.go b/executor/aggregate_test.go index a08e9370030cf..ea90c8657b799 100644 --- a/executor/aggregate_test.go +++ b/executor/aggregate_test.go @@ -15,6 +15,9 @@ package executor_test import ( "fmt" + "math/rand" + "sort" + "strings" . "github.com/pingcap/check" "github.com/pingcap/errors" @@ -1168,3 +1171,110 @@ func (s *testSuiteAgg) TestIssue19426(c *C) { tk.MustQuery("select a, b, sum(case when a < 1000 then b else 0.0 end) over (order by a) from t"). Check(testkit.Rows("1 11 11.0", "2 22 33.0", "3 33 66.0", "4 44 110.0")) } + +func reconstructParallelGroupConcatResult(rows [][]interface{}) []string { + data := make([]string, 0, len(rows)) + for _, row := range rows { + if str, ok := row[0].(string); ok { + tokens := strings.Split(str, ",") + sort.Slice(tokens, func(i, j int) bool { + return tokens[i] < tokens[j] + }) + data = append(data, strings.Join(tokens, ",")) + } + } + + sort.Slice(data, func(i, j int) bool { + return data[i] < data[j] + }) + + return data +} + +func (s *testSuiteAgg) TestParallelStreamAggGroupConcat(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("drop table if exists t;") + tk.MustExec("CREATE TABLE t(a bigint, b bigint);") + + for i := 0; i < 10000; i++ { + tk.MustExec("insert into t values(?, ?);", rand.Intn(100), rand.Intn(100)) + } + + sql := "select /*+ stream_agg() */ group_concat(a, b) from t group by b;" + concurrencies := []int{1, 2, 4, 8} + var expected []string + for _, con := range concurrencies { + tk.MustExec(fmt.Sprintf("set @@tidb_streamagg_concurrency=%d", con)) + if con == 1 { + expected = reconstructParallelGroupConcatResult(tk.MustQuery(sql).Rows()) + } else { + er := tk.MustQuery("explain " + sql).Rows() + ok := false + for _, l := range er { + str := fmt.Sprintf("%v", l) + if strings.Contains(str, "Shuffle") { + ok = true + break + } + } + c.Assert(ok, Equals, true) + obtained := reconstructParallelGroupConcatResult(tk.MustQuery(sql).Rows()) + c.Assert(len(obtained), Equals, len(expected)) + for i := 0; i < len(obtained); i++ { + c.Assert(obtained[i], Equals, expected[i]) + } + } + } +} + +func (s *testSuiteAgg) TestIssue20658(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test;") + + aggFuncs := []string{"count(a)", "sum(a)", "avg(a)", "max(a)", "min(a)", "bit_or(a)", "bit_xor(a)", "bit_and(a)"} + aggFuncs2 := []string{"var_pop(a)", "var_samp(a)", "stddev_pop(a)", "stddev_samp(a)", "approx_count_distinct(a)", "approx_percentile(a, 7)"} + sqlFormat := "select /*+ stream_agg() */ %s from t group by b;" + castFormat := "cast(%s as decimal(32, 4))" + + sqls := make([]string, 0, len(aggFuncs)+len(aggFuncs2)) + for _, af := range aggFuncs { + sql := fmt.Sprintf(sqlFormat, af) + sqls = append(sqls, sql) + } + + for _, af := range aggFuncs2 { + sql := fmt.Sprintf(sqlFormat, fmt.Sprintf(castFormat, af)) + sqls = append(sqls, sql) + } + + tk.MustExec("drop table if exists t;") + tk.MustExec("CREATE TABLE t(a bigint, b bigint);") + for i := 0; i < 10000; i++ { + tk.MustExec("insert into t values (?, ?);", rand.Intn(100), rand.Intn(100)) + } + + concurrencies := []int{1, 2, 4, 8} + for _, sql := range sqls { + var expected *testkit.Result + for _, con := range concurrencies { + tk.MustExec(fmt.Sprintf("set @@tidb_streamagg_concurrency=%d;", con)) + if con == 1 { + expected = tk.MustQuery(sql).Sort() + } else { + er := tk.MustQuery("explain " + sql).Rows() + ok := false + for _, l := range er { + str := fmt.Sprintf("%v", l) + if strings.Contains(str, "Shuffle") { + ok = true + break + } + } + c.Assert(ok, Equals, true) + tk.MustQuery(sql).Sort().Check(expected.Rows()) + } + + } + } +} diff --git a/executor/benchmark_test.go b/executor/benchmark_test.go index 06b00897285b2..c853325f1717e 100644 --- a/executor/benchmark_test.go +++ b/executor/benchmark_test.go @@ -99,6 +99,13 @@ func (mp *mockDataPhysicalPlan) SelectBlockOffset() int { return 0 } +func buildMockDataPhysicalPlan(ctx sessionctx.Context, srcExec Executor) *mockDataPhysicalPlan { + return &mockDataPhysicalPlan{ + schema: srcExec.Schema(), + exec: srcExec, + } +} + func (mds *mockDataSource) genColDatums(col int) (results []interface{}) { typ := mds.retFieldTypes[col] order := false @@ -239,13 +246,14 @@ func buildMockDataSourceWithIndex(opt mockDataSourceParameters, index []int) *mo // aggTestCase has a fixed schema (aggCol Double, groupBy LongLong). type aggTestCase struct { - execType string // "hash" or "stream" - aggFunc string // sum, avg, count .... - groupByNDV int // the number of distinct group-by keys - hasDistinct bool - rows int - concurrency int - ctx sessionctx.Context + execType string // "hash" or "stream" + aggFunc string // sum, avg, count .... + groupByNDV int // the number of distinct group-by keys + hasDistinct bool + rows int + concurrency int + dataSourceSorted bool + ctx sessionctx.Context } func (a aggTestCase) columns() []*expression.Column { @@ -256,15 +264,15 @@ func (a aggTestCase) columns() []*expression.Column { } func (a aggTestCase) String() string { - return fmt.Sprintf("(execType:%v, aggFunc:%v, ndv:%v, hasDistinct:%v, rows:%v, concurrency:%v)", - a.execType, a.aggFunc, a.groupByNDV, a.hasDistinct, a.rows, a.concurrency) + return fmt.Sprintf("(execType:%v, aggFunc:%v, ndv:%v, hasDistinct:%v, rows:%v, concurrency:%v, sorted:%v)", + a.execType, a.aggFunc, a.groupByNDV, a.hasDistinct, a.rows, a.concurrency, a.dataSourceSorted) } func defaultAggTestCase(exec string) *aggTestCase { ctx := mock.NewContext() ctx.GetSessionVars().InitChunkSize = variable.DefInitChunkSize ctx.GetSessionVars().MaxChunkSize = variable.DefMaxChunkSize - return &aggTestCase{exec, ast.AggFuncSum, 1000, false, 10000000, 4, ctx} + return &aggTestCase{exec, ast.AggFuncSum, 1000, false, 10000000, 4, true, ctx} } func buildHashAggExecutor(ctx sessionctx.Context, src Executor, schema *expression.Schema, @@ -282,28 +290,61 @@ func buildHashAggExecutor(ctx sessionctx.Context, src Executor, schema *expressi return exec } -func buildStreamAggExecutor(ctx sessionctx.Context, src Executor, schema *expression.Schema, - aggFuncs []*aggregation.AggFuncDesc, groupItems []expression.Expression) Executor { - plan := new(core.PhysicalStreamAgg) - plan.AggFuncs = aggFuncs - plan.GroupByItems = groupItems - plan.SetSchema(schema) - plan.Init(ctx, nil, 0) - plan.SetChildren(nil) +func buildStreamAggExecutor(ctx sessionctx.Context, srcExec Executor, schema *expression.Schema, + aggFuncs []*aggregation.AggFuncDesc, groupItems []expression.Expression, concurrency int, dataSourceSorted bool) Executor { + src := buildMockDataPhysicalPlan(ctx, srcExec) + + sg := new(core.PhysicalStreamAgg) + sg.AggFuncs = aggFuncs + sg.GroupByItems = groupItems + sg.SetSchema(schema) + sg.Init(ctx, nil, 0) + + var tail core.PhysicalPlan = sg + if !dataSourceSorted { + byItems := make([]*util.ByItems, 0, len(sg.GroupByItems)) + for _, col := range sg.GroupByItems { + byItems = append(byItems, &util.ByItems{Expr: col, Desc: false}) + } + sortPP := &core.PhysicalSort{ByItems: byItems} + sortPP.SetChildren(src) + sg.SetChildren(sortPP) + tail = sortPP + } else { + sg.SetChildren(src) + } + + var plan core.PhysicalPlan + if concurrency > 1 { + plan = core.PhysicalShuffle{ + Concurrency: concurrency, + Tails: []core.PhysicalPlan{tail}, + DataSources: []core.PhysicalPlan{src}, + SplitterType: core.PartitionHashSplitterType, + ByItemArrays: [][]expression.Expression{sg.GroupByItems}, + }.Init(ctx, nil, 0) + plan.SetChildren(sg) + } else { + plan = sg + } + b := newExecutorBuilder(ctx, nil) - exec := b.build(plan) - streamAgg := exec.(*StreamAggExec) - streamAgg.children[0] = src - return exec + return b.build(plan) } func buildAggExecutor(b *testing.B, testCase *aggTestCase, child Executor) Executor { ctx := testCase.ctx - if err := ctx.GetSessionVars().SetSystemVar(variable.TiDBHashAggFinalConcurrency, fmt.Sprintf("%v", testCase.concurrency)); err != nil { - b.Fatal(err) - } - if err := ctx.GetSessionVars().SetSystemVar(variable.TiDBHashAggPartialConcurrency, fmt.Sprintf("%v", testCase.concurrency)); err != nil { - b.Fatal(err) + if testCase.execType == "stream" { + if err := ctx.GetSessionVars().SetSystemVar(variable.TiDBStreamAggConcurrency, fmt.Sprintf("%v", testCase.concurrency)); err != nil { + b.Fatal(err) + } + } else { + if err := ctx.GetSessionVars().SetSystemVar(variable.TiDBHashAggFinalConcurrency, fmt.Sprintf("%v", testCase.concurrency)); err != nil { + b.Fatal(err) + } + if err := ctx.GetSessionVars().SetSystemVar(variable.TiDBHashAggPartialConcurrency, fmt.Sprintf("%v", testCase.concurrency)); err != nil { + b.Fatal(err) + } } childCols := testCase.columns() @@ -320,7 +361,7 @@ func buildAggExecutor(b *testing.B, testCase *aggTestCase, child Executor) Execu case "hash": aggExec = buildHashAggExecutor(testCase.ctx, child, schema, aggFuncs, groupBy) case "stream": - aggExec = buildStreamAggExecutor(testCase.ctx, child, schema, aggFuncs, groupBy) + aggExec = buildStreamAggExecutor(testCase.ctx, child, schema, aggFuncs, groupBy, testCase.concurrency, testCase.dataSourceSorted) default: b.Fatal("not implement") } @@ -328,12 +369,15 @@ func buildAggExecutor(b *testing.B, testCase *aggTestCase, child Executor) Execu } func benchmarkAggExecWithCase(b *testing.B, casTest *aggTestCase) { + if err := casTest.ctx.GetSessionVars().SetSystemVar(variable.TiDBStreamAggConcurrency, fmt.Sprintf("%v", casTest.concurrency)); err != nil { + b.Fatal(err) + } + cols := casTest.columns() - orders := []bool{false, casTest.execType == "stream"} dataSource := buildMockDataSource(mockDataSourceParameters{ schema: expression.NewSchema(cols...), ndvs: []int{0, casTest.groupByNDV}, - orders: orders, + orders: []bool{false, casTest.dataSourceSorted}, rows: casTest.rows, ctx: casTest.ctx, }) @@ -366,17 +410,17 @@ func benchmarkAggExecWithCase(b *testing.B, casTest *aggTestCase) { } } -func BenchmarkAggRows(b *testing.B) { - rows := []int{100000, 1000000, 10000000} - concurrencies := []int{1, 4, 8, 15, 20, 30, 40} +func BenchmarkShuffleStreamAggRows(b *testing.B) { + b.ReportAllocs() + sortTypes := []bool{true} + rows := []int{10000, 100000, 1000000, 10000000} + concurrencies := []int{1, 2, 4, 8} for _, row := range rows { for _, con := range concurrencies { - for _, exec := range []string{"hash", "stream"} { - if exec == "stream" && con > 1 { - continue - } - cas := defaultAggTestCase(exec) + for _, sorted := range sortTypes { + cas := defaultAggTestCase("stream") cas.rows = row + cas.dataSourceSorted = sorted cas.concurrency = con b.Run(fmt.Sprintf("%v", cas), func(b *testing.B) { benchmarkAggExecWithCase(b, cas) @@ -386,6 +430,21 @@ func BenchmarkAggRows(b *testing.B) { } } +func BenchmarkHashAggRows(b *testing.B) { + rows := []int{100000, 1000000, 10000000} + concurrencies := []int{1, 4, 8, 15, 20, 30, 40} + for _, row := range rows { + for _, con := range concurrencies { + cas := defaultAggTestCase("hash") + cas.rows = row + cas.concurrency = con + b.Run(fmt.Sprintf("%v", cas), func(b *testing.B) { + benchmarkAggExecWithCase(b, cas) + }) + } + } +} + func BenchmarkAggGroupByNDV(b *testing.B) { NDVs := []int{10, 100, 1000, 10000, 100000, 1000000, 10000000} for _, NDV := range NDVs { @@ -403,9 +462,6 @@ func BenchmarkAggConcurrency(b *testing.B) { concs := []int{1, 4, 8, 15, 20, 30, 40} for _, con := range concs { for _, exec := range []string{"hash", "stream"} { - if exec == "stream" && con > 1 { - continue - } cas := defaultAggTestCase(exec) cas.concurrency = con b.Run(fmt.Sprintf("%v", cas), func(b *testing.B) { @@ -433,11 +489,7 @@ func BenchmarkAggDistinct(b *testing.B) { } func buildWindowExecutor(ctx sessionctx.Context, windowFunc string, funcs int, frame *core.WindowFrame, srcExec Executor, schema *expression.Schema, partitionBy []*expression.Column, concurrency int, dataSourceSorted bool) Executor { - src := &mockDataPhysicalPlan{ - schema: srcExec.Schema(), - exec: srcExec, - } - + src := buildMockDataPhysicalPlan(ctx, srcExec) win := new(core.PhysicalWindow) win.WindowFuncDescs = make([]*aggregation.WindowFuncDesc, 0) winSchema := schema.Clone() @@ -498,11 +550,11 @@ func buildWindowExecutor(ctx sessionctx.Context, windowFunc string, funcs int, f } plan = core.PhysicalShuffle{ - Concurrency: concurrency, - Tails: []plannercore.PhysicalPlan{tail}, - DataSources: []plannercore.PhysicalPlan{src}, - SplitterType: core.PartitionHashSplitterType, - HashByItemArrays: [][]expression.Expression{byItems}, + Concurrency: concurrency, + Tails: []plannercore.PhysicalPlan{tail}, + DataSources: []plannercore.PhysicalPlan{src}, + SplitterType: core.PartitionHashSplitterType, + ByItemArrays: [][]expression.Expression{byItems}, }.Init(ctx, nil, 0) plan.SetChildren(win) } else { diff --git a/executor/builder.go b/executor/builder.go index cfcad5118072c..0d95aea33a3d9 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -3690,8 +3690,8 @@ func (b *executorBuilder) buildShuffle(v *plannercore.PhysicalShuffle) *ShuffleE switch v.SplitterType { case plannercore.PartitionHashSplitterType: - splitters := make([]partitionSplitter, len(v.HashByItemArrays)) - for i, hashByItemArray := range v.HashByItemArrays { + splitters := make([]partitionSplitter, len(v.ByItemArrays)) + for i, hashByItemArray := range v.ByItemArrays { hashSplitter := &partitionHashSplitter{ byItems: hashByItemArray, numWorkers: shuffle.concurrency, diff --git a/executor/executor_required_rows_test.go b/executor/executor_required_rows_test.go index 787a3a2d5bbf4..720b5300677c9 100644 --- a/executor/executor_required_rows_test.go +++ b/executor/executor_required_rows_test.go @@ -665,7 +665,7 @@ func (s *testExecSuite) TestStreamAggRequiredRows(c *C) { aggFunc, err := aggregation.NewAggFuncDesc(sctx, testCase.aggFunc, []expression.Expression{childCols[0]}, true) c.Assert(err, IsNil) aggFuncs := []*aggregation.AggFuncDesc{aggFunc} - exec := buildStreamAggExecutor(sctx, ds, schema, aggFuncs, groupBy) + exec := buildStreamAggExecutor(sctx, ds, schema, aggFuncs, groupBy, 1, true) c.Assert(exec.Open(ctx), IsNil) chk := newFirstChunk(exec) for i := range testCase.requiredRows { diff --git a/planner/core/physical_plans.go b/planner/core/physical_plans.go index a94249e59d5f6..ca6de1729d2e7 100644 --- a/planner/core/physical_plans.go +++ b/planner/core/physical_plans.go @@ -1250,8 +1250,7 @@ type PhysicalShuffle struct { DataSources []PhysicalPlan SplitterType PartitionSplitterType - // each DataSource has an array of HashByItems - HashByItemArrays [][]expression.Expression + ByItemArrays [][]expression.Expression } // PartitionSplitterType is the type of `Shuffle` executor splitter, which splits data source into partitions. diff --git a/planner/core/plan.go b/planner/core/plan.go index 7cc495247cb6f..9f6643aad69ad 100644 --- a/planner/core/plan.go +++ b/planner/core/plan.go @@ -92,6 +92,10 @@ func optimizeByShuffle(pp PhysicalPlan, tsk task, ctx sessionctx.Context) task { if shuffle := optimizeByShuffle4Window(p, ctx); shuffle != nil { return shuffle.attach2Task(tsk) } + case *PhysicalStreamAgg: + if shuffle := optimizeByShuffle4StreamAgg(p, ctx); shuffle != nil { + return shuffle.attach2Task(tsk) + } } return tsk } @@ -126,11 +130,36 @@ func optimizeByShuffle4Window(pp *PhysicalWindow, ctx sessionctx.Context) *Physi } reqProp := &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64} shuffle := PhysicalShuffle{ - Concurrency: concurrency, - Tails: []PhysicalPlan{tail}, - DataSources: []PhysicalPlan{dataSource}, - SplitterType: PartitionHashSplitterType, - HashByItemArrays: [][]expression.Expression{byItems}, + Concurrency: concurrency, + Tails: []PhysicalPlan{tail}, + DataSources: []PhysicalPlan{dataSource}, + SplitterType: PartitionHashSplitterType, + ByItemArrays: [][]expression.Expression{byItems}, + }.Init(ctx, pp.statsInfo(), pp.SelectBlockOffset(), reqProp) + return shuffle +} + +func optimizeByShuffle4StreamAgg(pp *PhysicalStreamAgg, ctx sessionctx.Context) *PhysicalShuffle { + concurrency := ctx.GetSessionVars().StreamAggConcurrency() + if concurrency <= 1 { + return nil + } + + childExec, ok := pp.Children()[0].(*PhysicalSort) + if !ok { + // Multi-thread executing on SORTED data source is not effective enough by current implementation. + // TODO: Implement a better one. + return nil + } + + tail, dataSource := childExec, childExec.Children()[0] + reqProp := &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64} + shuffle := PhysicalShuffle{ + Concurrency: concurrency, + Tails: []PhysicalPlan{tail}, + DataSources: []PhysicalPlan{dataSource}, + SplitterType: PartitionHashSplitterType, + ByItemArrays: [][]expression.Expression{cloneExprs(pp.GroupByItems)}, }.Init(ctx, pp.statsInfo(), pp.SelectBlockOffset(), reqProp) return shuffle } diff --git a/planner/core/resolve_indices.go b/planner/core/resolve_indices.go index f87e7c79e8353..e3168f2900e14 100644 --- a/planner/core/resolve_indices.go +++ b/planner/core/resolve_indices.go @@ -499,11 +499,11 @@ func (p *PhysicalShuffle) ResolveIndices() (err error) { return err } // There may be one or more DataSource - for i := range p.HashByItemArrays { + for i := range p.ByItemArrays { // Each DataSource has an array of HashByItems - for j := range p.HashByItemArrays[i] { + for j := range p.ByItemArrays[i] { // "Shuffle" get value of items from `DataSource`, other than children[0]. - p.HashByItemArrays[i][j], err = p.HashByItemArrays[i][j].ResolveIndices(p.DataSources[i].Schema()) + p.ByItemArrays[i][j], err = p.ByItemArrays[i][j].ResolveIndices(p.DataSources[i].Schema()) if err != nil { return err } From 6676126fa6d49de23cbaf8f78df28b2bb3092d85 Mon Sep 17 00:00:00 2001 From: JmPotato Date: Wed, 25 Nov 2020 15:59:13 +0800 Subject: [PATCH 0293/1021] Update the PD client to fix the tso process freeze bug (#21268) Signed-off-by: JmPotato Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com> --- go.mod | 2 +- go.sum | 9 ++------- 2 files changed, 3 insertions(+), 8 deletions(-) diff --git a/go.mod b/go.mod index 1f165f9e246fc..c421dd8f36497 100644 --- a/go.mod +++ b/go.mod @@ -60,7 +60,7 @@ require ( github.com/soheilhy/cmux v0.1.4 github.com/stretchr/testify v1.6.1 // indirect github.com/tiancaiamao/appdash v0.0.0-20181126055449-889f96f722a2 - github.com/tikv/pd v1.1.0-beta.0.20201119053953-51eff4c1fa05 + github.com/tikv/pd v1.1.0-beta.0.20201125070607-d4b90eee0c70 github.com/twmb/murmur3 v1.1.3 github.com/uber-go/atomic v1.4.0 github.com/uber/jaeger-client-go v2.22.1+incompatible diff --git a/go.sum b/go.sum index 6f1b49086e80d..67d3c5ee10c1b 100644 --- a/go.sum +++ b/go.sum @@ -614,7 +614,6 @@ github.com/opentracing/opentracing-go v1.0.2/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFSt github.com/opentracing/opentracing-go v1.0.3-0.20180606204148-bd9c31933947/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o= github.com/opentracing/opentracing-go v1.1.0 h1:pWlfV3Bxv7k65HYwkikxat0+s3pV4bsqf19k25Ur8rU= github.com/opentracing/opentracing-go v1.1.0/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o= -github.com/otiai10/copy v1.2.0 h1:HvG945u96iNadPoG2/Ja2+AUJeW5YuFQMixq9yirC+k= github.com/otiai10/copy v1.2.0/go.mod h1:rrF5dJ5F0t/EWSYODDu4j9/vEeYHMkc8jt0zJChqQWw= github.com/otiai10/curr v0.0.0-20150429015615-9b4961190c95/go.mod h1:9qAhocn7zKJG+0mI8eUu6xqkFDYS2kb2saOteoSB3cE= github.com/otiai10/curr v1.0.0/go.mod h1:LskTG5wDwr8Rs+nNQ+1LlxRjAtTZZjtJW4rMXl6j4vs= @@ -679,7 +678,6 @@ github.com/pingcap/kvproto v0.0.0-20200411081810-b85805c9476c/go.mod h1:IOdRDPLy github.com/pingcap/kvproto v0.0.0-20200417092353-efbe03bcffbd/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/kvproto v0.0.0-20200420075417-e0c6e8842f22/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/kvproto v0.0.0-20200810113304-6157337686b1/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= -github.com/pingcap/kvproto v0.0.0-20201113092725-08f2872278eb h1:K3r4KjVQeD4nLnfj44ibdLIXnUh58aQpkgVNWuBO9z0= github.com/pingcap/kvproto v0.0.0-20201113092725-08f2872278eb/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/kvproto v0.0.0-20201120081251-756b1447ba12 h1:f33y/pngBI525jqytoSZevpmmq43XiIHoeElx3BppNQ= github.com/pingcap/kvproto v0.0.0-20201120081251-756b1447ba12/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= @@ -712,7 +710,6 @@ github.com/pingcap/tipb v0.0.0-20190428032612-535e1abaa330/go.mod h1:RtkHW8WbcNx github.com/pingcap/tipb v0.0.0-20200417094153-7316d94df1ee/go.mod h1:RtkHW8WbcNxj8lsbzjaILci01CtYnYbIkQhjyZWrWVI= github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f h1:J+0TAI+7Hvebz4bM4GnRCRT4MpjYnUxbyi9ky5ZQUsU= github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f/go.mod h1:RtkHW8WbcNxj8lsbzjaILci01CtYnYbIkQhjyZWrWVI= -github.com/pingcap/tiup v1.2.3 h1:8OCQF7sHhT6VqE8pZU1JTSogPA90OFuWWM/B746x0YY= github.com/pingcap/tiup v1.2.3/go.mod h1:q8WzflNHjE1U49k2qstTL0clx2pKh8pkOzUFV4RTvQo= github.com/pkg/browser v0.0.0-20180916011732-0a3d74bf9ce4/go.mod h1:4OwLy04Bl9Ef3GJJCoec+30X3LQs/0/m4HFRt/2LUSA= github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= @@ -756,7 +753,6 @@ github.com/prometheus/procfs v0.0.8 h1:+fpWZdT24pJBiqJdAwYBjPSk+5YmQzYNPYzQsdzLk github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+GxbHq6oeK9A= github.com/prometheus/prom2json v1.3.0/go.mod h1:rMN7m0ApCowcoDlypBHlkNbp5eJQf/+1isKykIP5ZnM= github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU= -github.com/r3labs/diff v0.0.0-20200627101315-aecd9dd05dd2 h1:786HUIrynbbk5PzUf9Rp3aAUkNRksUiiipSAlyJ68As= github.com/r3labs/diff v0.0.0-20200627101315-aecd9dd05dd2/go.mod h1:7WjXasNzi0vJetRcB/RqNl5dlIsmXcTTLmF5IoH6Xig= github.com/rakyll/statik v0.1.6/go.mod h1:OEi9wJV/fMUAGx1eNjq75DKDsJVuEv1U0oYdX6GX8Zs= github.com/rcrowley/go-metrics v0.0.0-20190826022208-cac0b30c2563/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4= @@ -779,7 +775,6 @@ github.com/satori/go.uuid v1.2.1-0.20181028125025-b2ce2384e17b/go.mod h1:dA0hQrY github.com/segmentio/kafka-go v0.1.0/go.mod h1:X6itGqS9L4jDletMsxZ7Dz+JFWxM6JHfPOCvTvk+EJo= github.com/segmentio/kafka-go v0.2.0/go.mod h1:X6itGqS9L4jDletMsxZ7Dz+JFWxM6JHfPOCvTvk+EJo= github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= -github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44 h1:tB9NOR21++IjLyVx3/PCPhWMwqGNCMQEH96A6dMZ/gc= github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= github.com/shirou/gopsutil v2.19.10+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA= github.com/shirou/gopsutil v2.20.3+incompatible h1:0JVooMPsT7A7HqEYdydp/OfjSOYSjhXV7w1hkKj/NPQ= @@ -865,8 +860,8 @@ github.com/tidwall/match v1.0.1/go.mod h1:LujAq0jyVjBy028G1WhWfIzbpQfMO8bBZ6Tyb0 github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk= github.com/tikv/client-go v0.0.0-20190421092910-44b82dcc9f4a/go.mod h1:K0NcdVNrXDq92YPLytsrAwRMyuXi7GZCO6dXNH7OzQc= github.com/tikv/pd v1.1.0-beta.0.20200824114021-f8c45ae287fd/go.mod h1:quwjWtCmawAvS+YdxtSKG08sEexLzkhQgAno59wW+lI= -github.com/tikv/pd v1.1.0-beta.0.20201119053953-51eff4c1fa05 h1:XkZi+XIOUSZPm9i0xUEmWFOH3G8BIt7BGgkfW7vkvKo= -github.com/tikv/pd v1.1.0-beta.0.20201119053953-51eff4c1fa05/go.mod h1:qqRJlVDCqe6r+Fs4yWPORwxVOa3VDinww8fg7zGiKfk= +github.com/tikv/pd v1.1.0-beta.0.20201125070607-d4b90eee0c70 h1:KGyN3zjxk8kXvAYVDJvcZ9QNwgVf7bXnf3P49+JV4pw= +github.com/tikv/pd v1.1.0-beta.0.20201125070607-d4b90eee0c70/go.mod h1:qqRJlVDCqe6r+Fs4yWPORwxVOa3VDinww8fg7zGiKfk= github.com/tinylib/msgp v1.0.2/go.mod h1:+d+yLhGm8mzTaHzB+wgMYrodPfmZrzkirds8fDWklFE= github.com/tinylib/msgp v1.1.0/go.mod h1:+d+yLhGm8mzTaHzB+wgMYrodPfmZrzkirds8fDWklFE= github.com/tj/assert v0.0.0-20190920132354-ee03d75cd160/go.mod h1:mZ9/Rh9oLWpLLDRpvE+3b7gP/C2YyLFYxNmcLnPTMe0= From afaf38fdc82d678f2a3c6745766aad08ef5d947c Mon Sep 17 00:00:00 2001 From: xiaodong-ji Date: Wed, 25 Nov 2020 16:31:54 +0800 Subject: [PATCH 0294/1021] executor: Make tidb_constraint_check_in_place session variable work for unique index (#20939) --- table/tables/tables.go | 21 ++++++++++---- table/tables/tables_test.go | 56 +++++++++++++++++++++++++++++++++++++ 2 files changed, 72 insertions(+), 5 deletions(-) diff --git a/table/tables/tables.go b/table/tables/tables.go index 234c965ca77de..eed0d33209870 100644 --- a/table/tables/tables.go +++ b/table/tables/tables.go @@ -398,15 +398,26 @@ func (t *TableCommon) UpdateRecord(ctx context.Context, sctx sessionctx.Context, binlogNewRow = append(binlogNewRow, value) } } - + sessVars := sctx.GetSessionVars() // rebuild index - err = t.rebuildIndices(sctx, txn, h, touched, oldData, newData, table.WithCtx(ctx)) - if err != nil { - return err + if !sessVars.InTxn() { + savePresumeKeyNotExist := sessVars.PresumeKeyNotExists + if !sessVars.ConstraintCheckInPlace && sessVars.TxnCtx.IsPessimistic { + sessVars.PresumeKeyNotExists = true + } + err = t.rebuildIndices(sctx, txn, h, touched, oldData, newData, table.WithCtx(ctx)) + sessVars.PresumeKeyNotExists = savePresumeKeyNotExist + if err != nil { + return err + } + } else { + err = t.rebuildIndices(sctx, txn, h, touched, oldData, newData, table.WithCtx(ctx)) + if err != nil { + return err + } } key := t.RecordKey(h) - sessVars := sctx.GetSessionVars() sc, rd := sessVars.StmtCtx, &sessVars.RowEncoder value, err := tablecodec.EncodeRow(sc, row, colIDs, nil, nil, rd) if err != nil { diff --git a/table/tables/tables_test.go b/table/tables/tables_test.go index 8e4d1b5269e67..50eef585e053c 100644 --- a/table/tables/tables_test.go +++ b/table/tables/tables_test.go @@ -17,6 +17,7 @@ import ( "context" "strconv" "testing" + "time" . "github.com/pingcap/check" "github.com/pingcap/errors" @@ -618,3 +619,58 @@ func (ts *testSuite) TestAddRecordWithCtx(c *C) { c.Assert(err, IsNil) c.Assert(txn.Commit(context.Background()), IsNil) } + +func (ts *testSuite) TestConstraintCheckForUniqueIndex(c *C) { + // auto-commit + tk := testkit.NewTestKit(c, ts.store) + tk.MustExec("set @@autocommit = 1") + tk.MustExec("use test") + tk.MustExec("drop table if exists ttt") + tk.MustExec("create table ttt(id int(11) NOT NULL AUTO_INCREMENT,k int(11) NOT NULL DEFAULT '0',c char(120) NOT NULL DEFAULT '',PRIMARY KEY (id),UNIQUE KEY k_1 (k,c))") + tk.MustExec("insert into ttt(k,c) values(1, 'tidb')") + tk.MustExec("insert into ttt(k,c) values(2, 'tidb')") + _, err := tk.Exec("update ttt set k=1 where id=2") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry '1-tidb' for key 'k_1'") + tk.MustExec("rollback") + + // no auto-commit + tk.MustExec("set @@autocommit = 0") + tk.MustExec("set @@tidb_constraint_check_in_place = 0") + tk.MustExec("begin") + _, err = tk.Exec("update ttt set k=1 where id=2") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry '1-tidb' for key 'k_1'") + tk.MustExec("rollback") + + tk.MustExec("set @@tidb_constraint_check_in_place = 1") + tk.MustExec("begin") + _, err = tk.Exec("update ttt set k=1 where id=2") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry '1-tidb' for key 'k_1'") + tk.MustExec("rollback") + + // This test check that with @@tidb_constraint_check_in_place = 0, although there is not KV request for the unique index, the pessimistic lock should still be written. + tk1 := testkit.NewTestKit(c, ts.store) + tk2 := testkit.NewTestKit(c, ts.store) + tk1.MustExec("set @@tidb_txn_mode = 'pessimistic'") + tk1.MustExec("set @@tidb_constraint_check_in_place = 0") + tk2.MustExec("set @@tidb_txn_mode = 'pessimistic'") + tk1.MustExec("use test") + tk1.MustExec("begin") + tk1.MustExec("update ttt set k=3 where id=2") + + ch := make(chan int, 2) + go func() { + tk2.MustExec("use test") + tk2.Exec("insert into ttt(k,c) values(3, 'tidb')") + ch <- 2 + }() + time.Sleep(100 * time.Millisecond) + ch <- 1 + tk1.Exec("commit") + var isSession1 string + if 1 == <-ch { + isSession1 = "true" + } + c.Assert(isSession1, Equals, "true") + tk1.MustExec("rollback") + tk2.MustExec("rollback") +} From b08bfd1ff77bc43412b878349c819075b2759608 Mon Sep 17 00:00:00 2001 From: Zejun Li Date: Wed, 25 Nov 2020 17:42:50 +0800 Subject: [PATCH 0295/1021] ddl: fix duplicate entry message report by add index (#21241) --- ddl/db_integration_test.go | 56 +++++++++++++++++++++++++ ddl/db_test.go | 4 +- ddl/index.go | 85 ++++++++++++++++++++++++++++++++++---- ddl/rollingback.go | 5 --- table/index.go | 2 + table/tables/index.go | 4 ++ 6 files changed, 141 insertions(+), 15 deletions(-) diff --git a/ddl/db_integration_test.go b/ddl/db_integration_test.go index db37d2f4e0d1e..58da97f53bc2d 100644 --- a/ddl/db_integration_test.go +++ b/ddl/db_integration_test.go @@ -42,6 +42,7 @@ import ( "github.com/pingcap/tidb/store/mockstore/cluster" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/types" + "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/israce" "github.com/pingcap/tidb/util/mock" "github.com/pingcap/tidb/util/testkit" @@ -2590,3 +2591,58 @@ func (s *testIntegrationSuite3) TestStrictDoubleTypeCheck(c *C) { defer tk.MustExec("set @@tidb_enable_strict_double_type_check = 'ON'") tk.MustExec(sql) } + +func (s *testIntegrationSuite7) TestDuplicateErrorMessage(c *C) { + defer collate.SetNewCollationEnabledForTest(false) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + + type testdata struct { + types []string + values []string + } + tests := []testdata{ + {[]string{"int"}, []string{"1"}}, + {[]string{"datetime"}, []string{"'2020-01-01 00:00:00'"}}, + {[]string{"varchar(10)"}, []string{"'qwe'"}}, + {[]string{"enum('r', 'g', 'b')"}, []string{"'r'"}}, + {[]string{"int", "datetime", "varchar(10)", "enum('r', 'g', 'b')"}, []string{"1", "'2020-01-01 00:00:00'", "'qwe'", "'r'"}}, + } + + for _, newCollate := range []bool{false, true} { + collate.SetNewCollationEnabledForTest(newCollate) + for _, globalIndex := range []bool{false, true} { + restoreConfig := config.RestoreFunc() + config.UpdateGlobal(func(conf *config.Config) { + conf.EnableGlobalIndex = globalIndex + }) + for _, clusteredIndex := range []int{0, 1} { + tk.MustExec(fmt.Sprintf("set session tidb_enable_clustered_index=%d;", clusteredIndex)) + for _, t := range tests { + tk.MustExec("drop table if exists t;") + fields := make([]string, len(t.types)) + + for i, tp := range t.types { + fields[i] = fmt.Sprintf("a%d %s", i, tp) + } + tk.MustExec("create table t (id1 int, id2 varchar(10), " + strings.Join(fields, ",") + ",primary key(id1, id2)) " + + "collate utf8mb4_general_ci " + + "partition by range (id1) (partition p1 values less than (2), partition p2 values less than (maxvalue))") + + vals := strings.Join(t.values, ",") + tk.MustExec(fmt.Sprintf("insert into t values (1, 'asd', %s), (1, 'dsa', %s)", vals, vals)) + for i := range t.types { + fields[i] = fmt.Sprintf("a%d", i) + } + index := strings.Join(fields, ",") + for i, val := range t.values { + fields[i] = strings.Replace(val, "'", "", -1) + } + tk.MustGetErrMsg("alter table t add unique index t_idx(id1,"+index+")", + fmt.Sprintf("[kv:1062]Duplicate entry '1-%s' for key 't_idx'", strings.Join(fields, "-"))) + } + } + restoreConfig() + } + } +} diff --git a/ddl/db_test.go b/ddl/db_test.go index ab23e40a458e7..7c706d71991df 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -291,7 +291,7 @@ func (s *testDBSuite5) TestAddPrimaryKeyRollback1(c *C) { hasNullValsInKey := false idxName := "PRIMARY" addIdxSQL := "alter table t1 add primary key c3_index (c3);" - errMsg := "[kv:1062]Duplicate entry '' for key 'PRIMARY'" + errMsg := "[kv:1062]Duplicate entry '" + strconv.Itoa(defaultBatchSize*2-10) + "' for key 'PRIMARY'" testAddIndexRollback(c, s.store, s.lease, idxName, addIdxSQL, errMsg, hasNullValsInKey) } @@ -308,7 +308,7 @@ func (s *testDBSuite2) TestAddUniqueIndexRollback(c *C) { hasNullValsInKey := false idxName := "c3_index" addIdxSQL := "create unique index c3_index on t1 (c3)" - errMsg := "[kv:1062]Duplicate entry '' for key 'c3_index'" + errMsg := "[kv:1062]Duplicate entry '" + strconv.Itoa(defaultBatchSize*2-10) + "' for key 'c3_index'" testAddIndexRollback(c, s.store, s.lease, idxName, addIdxSQL, errMsg, hasNullValsInKey) } diff --git a/ddl/index.go b/ddl/index.go index b4f3ac5038bd1..0483388a887f4 100644 --- a/ddl/index.go +++ b/ddl/index.go @@ -14,6 +14,7 @@ package ddl import ( + "bytes" "context" "strings" "sync/atomic" @@ -39,8 +40,10 @@ import ( "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util" + "github.com/pingcap/tidb/util/codec" "github.com/pingcap/tidb/util/logutil" decoder "github.com/pingcap/tidb/util/rowDecoder" + "github.com/pingcap/tidb/util/rowcodec" "github.com/pingcap/tidb/util/timeutil" "github.com/prometheus/client_golang/prometheus" "go.uber.org/zap" @@ -1013,6 +1016,73 @@ func (w *addIndexWorker) initBatchCheckBufs(batchCount int) { w.distinctCheckFlags = w.distinctCheckFlags[:0] } +func (w *addIndexWorker) checkHandleExists(key kv.Key, value []byte, handle kv.Handle) error { + idxInfo := w.index.Meta() + tblInfo := w.table.Meta() + name := w.index.Meta().Name.String() + + colInfo := make([]rowcodec.ColInfo, 0, len(idxInfo.Columns)) + for _, idxCol := range idxInfo.Columns { + col := tblInfo.Columns[idxCol.Offset] + colInfo = append(colInfo, rowcodec.ColInfo{ + ID: col.ID, + IsPKHandle: tblInfo.PKIsHandle && mysql.HasPriKeyFlag(col.Flag), + Ft: rowcodec.FieldTypeFromModelColumn(col), + }) + } + + values, err := tablecodec.DecodeIndexKV(key, value, len(idxInfo.Columns), tablecodec.HandleDefault, colInfo) + if err != nil { + return err + } + + if !w.table.Meta().IsCommonHandle { + _, d, err := codec.DecodeOne(values[len(colInfo)]) + if err != nil { + return errors.Trace(err) + } + if d.GetInt64() == handle.IntValue() { + return nil + } + } else { + // We expect the two handle have the same number of columns, because they come from a same table. + // But we still need to check it explicitly, otherwise we will encounter undesired index out of range panic, + // or undefined behavior if someone change the format of the value returned by tablecodec.DecodeIndexKV. + colsOfHandle := len(values) - len(colInfo) + if w.index.Meta().Global { + colsOfHandle-- + } + if colsOfHandle != handle.NumCols() { + // We can claim these two handle are different, because they have different length. + // But we'd better report an error at here to detect compatibility problem introduced in other package during tests. + return errors.New("number of columns in two handle is different") + } + + for i := 0; i < handle.NumCols(); i++ { + if bytes.Equal(values[i+len(colInfo)], handle.EncodedCol(i)) { + colsOfHandle-- + } + } + if colsOfHandle == 0 { + return nil + } + } + + valueStr := make([]string, 0, len(colInfo)) + for i, val := range values[:len(colInfo)] { + d, err := tablecodec.DecodeColumnValue(val, colInfo[i].Ft, time.Local) + if err != nil { + return kv.ErrKeyExists.FastGenByArgs(key.String(), name) + } + str, err := d.ToString() + if err != nil { + str = string(val) + } + valueStr = append(valueStr, str) + } + return kv.ErrKeyExists.FastGenByArgs(strings.Join(valueStr, "-"), name) +} + func (w *addIndexWorker) batchCheckUniqueKey(txn kv.Transaction, idxRecords []*indexRecord) error { idxInfo := w.index.Meta() if !idxInfo.Unique { @@ -1046,13 +1116,8 @@ func (w *addIndexWorker) batchCheckUniqueKey(txn kv.Transaction, idxRecords []*i for i, key := range w.batchCheckKeys { if val, found := batchVals[string(key)]; found { if w.distinctCheckFlags[i] { - handle, err1 := tablecodec.DecodeHandleInUniqueIndexValue(val, w.table.Meta().IsCommonHandle) - if err1 != nil { - return errors.Trace(err1) - } - - if handle != idxRecords[i].handle { - return errors.Trace(kv.ErrKeyExists) + if err := w.checkHandleExists(key, val, idxRecords[i].handle); err != nil { + return errors.Trace(err) } } idxRecords[i].skip = true @@ -1060,7 +1125,11 @@ func (w *addIndexWorker) batchCheckUniqueKey(txn kv.Transaction, idxRecords []*i // The keys in w.batchCheckKeys also maybe duplicate, // so we need to backfill the not found key into `batchVals` map. if w.distinctCheckFlags[i] { - batchVals[string(key)] = tablecodec.EncodeHandleInUniqueIndexValue(idxRecords[i].handle, false) + val, err := w.index.GenIndexValue(stmtCtx, idxRecords[i].vals, w.distinctCheckFlags[i], false, idxRecords[i].handle) + if err != nil { + return errors.Trace(err) + } + batchVals[string(key)] = val } } } diff --git a/ddl/rollingback.go b/ddl/rollingback.go index ff0bfbc5b3d3e..bdc1f6629f8f7 100644 --- a/ddl/rollingback.go +++ b/ddl/rollingback.go @@ -21,7 +21,6 @@ import ( "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" - "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/meta" "github.com/pingcap/tidb/util/logutil" "go.uber.org/zap" @@ -70,10 +69,6 @@ func convertAddIdxJob2RollbackJob(t *meta.Meta, job *model.Job, tblInfo *model.T return ver, errors.Trace(err1) } - if kv.ErrKeyExists.Equal(err) { - return ver, kv.ErrKeyExists.GenWithStackByArgs("", indexInfo.Name.O) - } - return ver, errors.Trace(err) } diff --git a/table/index.go b/table/index.go index 90aefe280ccd2..e0554f16ff8d3 100644 --- a/table/index.go +++ b/table/index.go @@ -73,6 +73,8 @@ type Index interface { Exist(sc *stmtctx.StatementContext, us kv.UnionStore, indexedValues []types.Datum, h kv.Handle) (bool, kv.Handle, error) // GenIndexKey generates an index key. GenIndexKey(sc *stmtctx.StatementContext, indexedValues []types.Datum, h kv.Handle, buf []byte) (key []byte, distinct bool, err error) + // GenIndexValue generates an index value. + GenIndexValue(sc *stmtctx.StatementContext, indexedValues []types.Datum, distinct bool, untouched bool, h kv.Handle) (val []byte, err error) // Seek supports where clause. Seek(sc *stmtctx.StatementContext, r kv.Retriever, indexedValues []types.Datum) (iter IndexIterator, hit bool, err error) // SeekFirst supports aggregate min and ascend order by. diff --git a/table/tables/index.go b/table/tables/index.go index 5d3868463a756..90ce5e22cd0e9 100644 --- a/table/tables/index.go +++ b/table/tables/index.go @@ -139,6 +139,10 @@ func (c *index) GenIndexKey(sc *stmtctx.StatementContext, indexedValues []types. return tablecodec.GenIndexKey(sc, c.tblInfo, c.idxInfo, idxTblID, indexedValues, h, buf) } +func (c *index) GenIndexValue(sc *stmtctx.StatementContext, indexedValues []types.Datum, distinct bool, untouched bool, h kv.Handle) (val []byte, err error) { + return tablecodec.GenIndexValueNew(sc, c.tblInfo, c.idxInfo, c.containNonBinaryString, distinct, untouched, indexedValues, h, c.phyTblID) +} + // Create creates a new entry in the kvIndex data. // If the index is unique and there is an existing entry with the same key, // Create will return the existing entry's handle as the first return value, ErrKeyExists as the second return value. From 205f77bff905c09fb55a057a783734e7238f3beb Mon Sep 17 00:00:00 2001 From: Feng Liyuan Date: Wed, 25 Nov 2020 17:55:34 +0800 Subject: [PATCH 0296/1021] session: fix unit test TestUnionScanForMemBufferReader (#21258) --- session/session_test.go | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/session/session_test.go b/session/session_test.go index 6bdbbf4b96b21..8cce454808dd6 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -3433,7 +3433,8 @@ func (s *testSessionSuite3) TestSetVarHint(c *C) { c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings()[0].Err.Error(), Equals, "[planner:3126]Hint SET_VAR(group_concat_max_len=2048) is ignored as conflicting/duplicated.") } -func (s *testSessionSuite2) TestDeprecateSlowLogMasking(c *C) { +// TestDeprecateSlowLogMasking should be in serial suite because it changes a global variable. +func (s *testSessionSerialSuite) TestDeprecateSlowLogMasking(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("set @@global.tidb_redact_log=0") From af58658b631bd3a7c2c4dedd9f0ed518d4bcb3ae Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Wed, 25 Nov 2020 19:44:26 +0800 Subject: [PATCH 0297/1021] *: implement priority control for OOM Action (#21170) --- executor/executor.go | 7 ++++-- executor/executor_test.go | 33 ++++++++++++++++++++++++ store/tikv/coprocessor.go | 18 ++++++------- util/chunk/row_container.go | 33 +++++++++++------------- util/memory/action.go | 42 ++++++++++++++++++++++++++++--- util/memory/tracker.go | 27 ++++++++++++++++++-- util/memory/tracker_test.go | 50 +++++++++++++++++++++++++++++++------ 7 files changed, 167 insertions(+), 43 deletions(-) diff --git a/executor/executor.go b/executor/executor.go index 51fe15fecbf7e..fe9cc2ff4e6bf 100644 --- a/executor/executor.go +++ b/executor/executor.go @@ -112,6 +112,7 @@ const ( // globalPanicOnExceed panics when GlobalDisTracker storage usage exceeds storage quota. type globalPanicOnExceed struct { + memory.BaseOOMAction mutex sync.Mutex // For synchronization. } @@ -142,8 +143,10 @@ func (a *globalPanicOnExceed) Action(t *memory.Tracker) { panic(msg) } -// SetFallback sets a fallback action. -func (a *globalPanicOnExceed) SetFallback(memory.ActionOnExceed) {} +// GetPriority get the priority of the Action +func (a *globalPanicOnExceed) GetPriority() int64 { + return memory.DefPanicPriority +} // base returns the baseExecutor of an executor, don't override this method! func (e *baseExecutor) base() *baseExecutor { diff --git a/executor/executor_test.go b/executor/executor_test.go index 546238b94d1fb..88467a86efddc 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -68,6 +68,7 @@ import ( "github.com/pingcap/tidb/util/admin" "github.com/pingcap/tidb/util/gcutil" "github.com/pingcap/tidb/util/logutil" + "github.com/pingcap/tidb/util/memory" "github.com/pingcap/tidb/util/mock" "github.com/pingcap/tidb/util/rowcodec" "github.com/pingcap/tidb/util/testkit" @@ -7004,3 +7005,35 @@ func (s *testSuite) TestIssue20305(c *C) { tk.MustExec("INSERT INTO `t3` VALUES (2069, 70), (2010, 11), (2155, 2156), (2069, 69)") tk.MustQuery("SELECT * FROM `t3` where y <= a").Check(testkit.Rows("2155 2156")) } + +func (s *testSuite) TestOOMActionPriority(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t0") + tk.MustExec("drop table if exists t1") + tk.MustExec("drop table if exists t2") + tk.MustExec("drop table if exists t3") + tk.MustExec("drop table if exists t4") + tk.MustExec("create table t0(a int)") + tk.MustExec("insert into t0 values(1)") + tk.MustExec("create table t1(a int)") + tk.MustExec("insert into t1 values(1)") + tk.MustExec("create table t2(a int)") + tk.MustExec("insert into t2 values(1)") + tk.MustExec("create table t3(a int)") + tk.MustExec("insert into t3 values(1)") + tk.MustExec("create table t4(a int)") + tk.MustExec("insert into t4 values(1)") + tk.MustQuery("select * from t0 join t1 join t2 join t3 join t4 order by t0.a").Check(testkit.Rows("1 1 1 1 1")) + action := tk.Se.GetSessionVars().StmtCtx.MemTracker.GetFallbackForTest() + // check the first 5 actions is rate limit. + for i := 0; i < 5; i++ { + c.Assert(action.GetPriority(), Equals, int64(memory.DefRateLimitPriority)) + action = action.GetFallback() + } + for action.GetFallback() != nil { + c.Assert(action.GetPriority(), Equals, int64(memory.DefSpillPriority)) + action = action.GetFallback() + } + c.Assert(action.GetPriority(), Equals, int64(memory.DefLogPriority)) +} diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go index 702f4198e829f..68bd938db9ca7 100644 --- a/store/tikv/coprocessor.go +++ b/store/tikv/coprocessor.go @@ -1308,9 +1308,9 @@ func (it copErrorResponse) Close() error { // set on initial. Each time the Action is triggered, one token would be destroyed. If the count of the token is less // than 2, the action would be delegated to the fallback action. type rateLimitAction struct { + memory.BaseOOMAction // enabled indicates whether the rateLimitAction is permitted to Action. 1 means permitted, 0 denied. - enabled uint32 - fallbackAction memory.ActionOnExceed + enabled uint32 // totalTokenNum indicates the total token at initial totalTokenNum uint cond struct { @@ -1352,8 +1352,8 @@ func (e *rateLimitAction) Action(t *memory.Tracker) { }) if !e.isEnabled() { - if e.fallbackAction != nil { - e.fallbackAction.Action(t) + if fallback := e.GetFallback(); fallback != nil { + fallback.Action(t) } return } @@ -1364,8 +1364,8 @@ func (e *rateLimitAction) Action(t *memory.Tracker) { e.setEnabled(false) logutil.BgLogger().Info("memory exceed quota, rateLimitAction delegate to fallback action", zap.Uint("total token count", e.totalTokenNum)) - if e.fallbackAction != nil { - e.fallbackAction.Action(t) + if fallback := e.GetFallback(); fallback != nil { + fallback.Action(t) } return } @@ -1391,9 +1391,9 @@ func (e *rateLimitAction) SetLogHook(hook func(uint64)) { } -// SetFallback implements ActionOnExceed.SetFallback -func (e *rateLimitAction) SetFallback(a memory.ActionOnExceed) { - e.fallbackAction = a +// GetPriority get the priority of the Action. +func (e *rateLimitAction) GetPriority() int64 { + return memory.DefRateLimitPriority } // destroyTokenIfNeeded will check the `exceed` flag after copWorker finished one task. diff --git a/util/chunk/row_container.go b/util/chunk/row_container.go index 6ff4d4300ff99..475e3110949ed 100644 --- a/util/chunk/row_container.go +++ b/util/chunk/row_container.go @@ -259,11 +259,11 @@ func (c *RowContainer) ActionSpillForTest() *SpillDiskAction { // the memory quota of a query is exceeded, SpillDiskAction.Action is // triggered. type SpillDiskAction struct { - c *RowContainer - fallbackAction memory.ActionOnExceed - m sync.Mutex - once sync.Once - cond spillStatusCond + memory.BaseOOMAction + c *RowContainer + m sync.Mutex + once sync.Once + cond spillStatusCond // test function only used for test sync. testSyncInputFunc func() @@ -333,8 +333,8 @@ func (a *SpillDiskAction) Action(t *memory.Tracker) { if !t.CheckExceed() { return } - if a.fallbackAction != nil { - a.fallbackAction.Action(t) + if fallback := a.GetFallback(); fallback != nil { + fallback.Action(t) } } @@ -346,14 +346,14 @@ func (a *SpillDiskAction) Reset() { a.once = sync.Once{} } -// SetFallback sets the fallback action. -func (a *SpillDiskAction) SetFallback(fallback memory.ActionOnExceed) { - a.fallbackAction = fallback -} - // SetLogHook sets the hook, it does nothing just to form the memory.ActionOnExceed interface. func (a *SpillDiskAction) SetLogHook(hook func(uint64)) {} +// GetPriority get the priority of the Action. +func (a *SpillDiskAction) GetPriority() int64 { + return memory.DefSpillPriority +} + // WaitForTest waits all goroutine have gone. func (a *SpillDiskAction) WaitForTest() { a.testWg.Wait() @@ -528,16 +528,11 @@ func (a *SortAndSpillDiskAction) Action(t *memory.Tracker) { if !t.CheckExceed() { return } - if a.fallbackAction != nil { - a.fallbackAction.Action(t) + if fallback := a.GetFallback(); fallback != nil { + fallback.Action(t) } } -// SetFallback sets the fallback action. -func (a *SortAndSpillDiskAction) SetFallback(fallback memory.ActionOnExceed) { - a.fallbackAction = fallback -} - // SetLogHook sets the hook, it does nothing just to form the memory.ActionOnExceed interface. func (a *SortAndSpillDiskAction) SetLogHook(hook func(uint64)) {} diff --git a/util/memory/action.go b/util/memory/action.go index d78d4994272a9..4f12a5d90f139 100644 --- a/util/memory/action.go +++ b/util/memory/action.go @@ -35,10 +35,39 @@ type ActionOnExceed interface { // SetFallback sets a fallback action which will be triggered if itself has // already been triggered. SetFallback(a ActionOnExceed) + // GetFallback get the fallback action of the Action. + GetFallback() ActionOnExceed + // GetPriority get the priority of the Action. + GetPriority() int64 } +// BaseOOMAction manages the fallback action for all Action. +type BaseOOMAction struct { + fallbackAction ActionOnExceed +} + +// SetFallback sets a fallback action which will be triggered if itself has +// already been triggered. +func (b *BaseOOMAction) SetFallback(a ActionOnExceed) { + b.fallbackAction = a +} + +// GetFallback get the fallback action of the Action. +func (b *BaseOOMAction) GetFallback() ActionOnExceed { + return b.fallbackAction +} + +// Default OOM Action priority. +const ( + DefPanicPriority = iota + DefLogPriority + DefSpillPriority + DefRateLimitPriority +) + // LogOnExceed logs a warning only once when memory usage exceeds memory quota. type LogOnExceed struct { + BaseOOMAction mutex sync.Mutex // For synchronization. acted bool ConnID uint64 @@ -65,11 +94,14 @@ func (a *LogOnExceed) Action(t *Tracker) { } } -// SetFallback sets a fallback action. -func (a *LogOnExceed) SetFallback(ActionOnExceed) {} +// GetPriority get the priority of the Action +func (a *LogOnExceed) GetPriority() int64 { + return DefLogPriority +} // PanicOnExceed panics when memory usage exceeds memory quota. type PanicOnExceed struct { + BaseOOMAction mutex sync.Mutex // For synchronization. acted bool ConnID uint64 @@ -96,8 +128,10 @@ func (a *PanicOnExceed) Action(t *Tracker) { panic(PanicMemoryExceed + fmt.Sprintf("[conn_id=%d]", a.ConnID)) } -// SetFallback sets a fallback action. -func (a *PanicOnExceed) SetFallback(ActionOnExceed) {} +// GetPriority get the priority of the Action +func (a *PanicOnExceed) GetPriority() int64 { + return DefPanicPriority +} var ( errMemExceedThreshold = dbterror.ClassUtil.NewStd(errno.ErrMemExceedThreshold) diff --git a/util/memory/tracker.go b/util/memory/tracker.go index a6bfcbd3b2809..ebfdd93aae03f 100644 --- a/util/memory/tracker.go +++ b/util/memory/tracker.go @@ -121,8 +121,31 @@ func (t *Tracker) SetActionOnExceed(a ActionOnExceed) { func (t *Tracker) FallbackOldAndSetNewAction(a ActionOnExceed) { t.actionMu.Lock() defer t.actionMu.Unlock() - a.SetFallback(t.actionMu.actionOnExceed) - t.actionMu.actionOnExceed = a + t.actionMu.actionOnExceed = reArrangeFallback(t.actionMu.actionOnExceed, a) +} + +// GetFallbackForTest get the oom action used by test. +func (t *Tracker) GetFallbackForTest() ActionOnExceed { + t.actionMu.Lock() + defer t.actionMu.Unlock() + return t.actionMu.actionOnExceed +} + +// reArrangeFallback merge two action chains and rearrange them by priority in descending order. +func reArrangeFallback(a ActionOnExceed, b ActionOnExceed) ActionOnExceed { + if a == nil { + return b + } + if b == nil { + return a + } + if a.GetPriority() < b.GetPriority() { + a, b = b, a + a.SetFallback(b) + } else { + a.SetFallback(reArrangeFallback(a.GetFallback(), b)) + } + return a } // SetLabel sets the label of a Tracker. diff --git a/util/memory/tracker_test.go b/util/memory/tracker_test.go index 697fc6bb48ffa..1e5f19ab7cd3a 100644 --- a/util/memory/tracker_test.go +++ b/util/memory/tracker_test.go @@ -106,31 +106,32 @@ func (s *testSuite) TestOOMAction(c *C) { c.Assert(action1.called, IsFalse) c.Assert(action2.called, IsFalse) tracker.Consume(10000) - c.Assert(action1.called, IsFalse) - c.Assert(action2.called, IsTrue) + c.Assert(action1.called, IsTrue) + c.Assert(action2.called, IsFalse) tracker.Consume(10000) c.Assert(action1.called, IsTrue) c.Assert(action2.called, IsTrue) } type mockAction struct { + BaseOOMAction called bool - fallback ActionOnExceed + priority int64 } func (a *mockAction) SetLogHook(hook func(uint64)) { } func (a *mockAction) Action(t *Tracker) { - if a.called && a.fallback != nil { - a.fallback.Action(t) + if a.called && a.fallbackAction != nil { + a.fallbackAction.Action(t) return } a.called = true } -func (a *mockAction) SetFallback(fallback ActionOnExceed) { - a.fallback = fallback +func (a *mockAction) GetPriority() int64 { + return a.priority } func (s *testSuite) TestAttachTo(c *C) { @@ -341,3 +342,38 @@ func BenchmarkConsume(b *testing.B) { func (s *testSuite) TestErrorCode(c *C) { c.Assert(int(terror.ToSQLError(errMemExceedThreshold).Code), Equals, errno.ErrMemExceedThreshold) } + +func (s *testSuite) TestOOMActionPriority(c *C) { + tracker := NewTracker(1, 100) + // make sure no panic here. + tracker.Consume(10000) + + tracker = NewTracker(1, 1) + tracker.actionMu.actionOnExceed = nil + n := 100 + actions := make([]*mockAction, n) + for i := 0; i < n; i++ { + actions[i] = &mockAction{priority: int64(i)} + } + + randomSuffle := make([]int, n) + for i := 0; i < n; i++ { + randomSuffle[i] = i + pos := rand.Int() % (i + 1) + randomSuffle[i], randomSuffle[pos] = randomSuffle[pos], randomSuffle[i] + } + + for i := 0; i < n; i++ { + tracker.FallbackOldAndSetNewAction(actions[randomSuffle[i]]) + } + for i := n - 1; i >= 0; i-- { + tracker.Consume(100) + for j := n - 1; j >= 0; j-- { + if j >= i { + c.Assert(actions[j].called, IsTrue) + } else { + c.Assert(actions[j].called, IsFalse) + } + } + } +} From 084e7190b8124f4b53ce83064547042a77ce3ae4 Mon Sep 17 00:00:00 2001 From: xiaodong-ji Date: Wed, 25 Nov 2020 19:56:16 +0800 Subject: [PATCH 0298/1021] planner: fix unit test for tidb_opt_prefer_range_scan variable (#21294) Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com> Co-authored-by: Yiding Cui --- planner/core/integration_test.go | 31 ++++++++ planner/core/physical_plan_test.go | 88 ----------------------- planner/core/testdata/plan_suite_in.json | 12 ---- planner/core/testdata/plan_suite_out.json | 28 -------- 4 files changed, 31 insertions(+), 128 deletions(-) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 9fa689298e349..adb730fea896d 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1906,3 +1906,34 @@ func (s *testIntegrationSuite) TestUpdateMultiUpdatePK(c *C) { tk.MustExec(`UPDATE t m, t n SET m.a = m.a + 1, n.b = n.b + 10`) tk.MustQuery("SELECT * FROM t").Check(testkit.Rows("2 12")) } + +func (s *testIntegrationSuite) TestPreferRangeScan(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists test;") + tk.MustExec("create table test(`id` int(10) NOT NULL AUTO_INCREMENT,`name` varchar(50) NOT NULL DEFAULT 'tidb',`age` int(11) NOT NULL,`addr` varchar(50) DEFAULT 'The ocean of stars',PRIMARY KEY (`id`),KEY `idx_age` (`age`))") + tk.MustExec("insert into test(age) values(5);") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("analyze table test;") + tk.MustExec("set session tidb_opt_prefer_range_scan=0") + tk.MustQuery("explain select * from test where age=5").Check(testkit.Rows( + "TableReader_7 2048.00 root data:Selection_6", + "└─Selection_6 2048.00 cop[tikv] eq(test.test.age, 5)", + " └─TableFullScan_5 2048.00 cop[tikv] table:test keep order:false")) + + tk.MustExec("set session tidb_opt_prefer_range_scan=1") + tk.MustQuery("explain select * from test where age=5").Check(testkit.Rows( + "IndexLookUp_7 2048.00 root ", + "├─IndexRangeScan_5(Build) 2048.00 cop[tikv] table:test, index:idx_age(age) range:[5,5], keep order:false", + "└─TableRowIDScan_6(Probe) 2048.00 cop[tikv] table:test keep order:false")) +} diff --git a/planner/core/physical_plan_test.go b/planner/core/physical_plan_test.go index 07e9e6abc1396..bf499ddbb213a 100644 --- a/planner/core/physical_plan_test.go +++ b/planner/core/physical_plan_test.go @@ -1643,91 +1643,3 @@ func (s *testPlanSuite) TestNthPlanHintWithExplain(c *C) { // hold in the future, you may need to modify this. tk.MustQuery("explain select * from test.tt where a=1 and b=1").Check(testkit.Rows(output[1].Plan...)) } - -func (s *testPlanSuite) TestPreferRangeScanOff(c *C) { - var ( - input []string - output []struct { - SQL string - Plan []string - Result []string - } - ) - s.testData.GetTestCases(c, &input, &output) - store, dom, err := newStoreWithBootstrap() - c.Assert(err, IsNil) - defer func() { - dom.Close() - store.Close() - }() - tk := testkit.NewTestKit(c, store) - tk.MustExec("use test") - tk.MustExec("drop table if exists test;") - tk.MustExec("create table test(`id` int(10) NOT NULL AUTO_INCREMENT,`name` varchar(50) NOT NULL DEFAULT 'tidb',`age` int(11) NOT NULL,`addr` varchar(50) DEFAULT 'The ocean of stars',PRIMARY KEY (`id`),KEY `idx_age` (`age`))") - tk.MustExec("insert into test(age) values(5);") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("analyze table test;") - tk.MustExec(fmt.Sprintf("set session tidb_opt_prefer_range_scan = %v", 0)) - - for i, ts := range input { - s.testData.OnRecord(func() { - output[i].SQL = ts - output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + ts).Rows()) - }) - tk.MustQuery("explain " + ts).Check(testkit.Rows(output[i].Plan...)) - } -} - -func (s *testPlanSuite) TestPreferRangeScanOn(c *C) { - var ( - input []string - output []struct { - SQL string - Plan []string - Result []string - } - ) - s.testData.GetTestCases(c, &input, &output) - store, dom, err := newStoreWithBootstrap() - c.Assert(err, IsNil) - defer func() { - dom.Close() - store.Close() - }() - tk := testkit.NewTestKit(c, store) - tk.MustExec("use test") - tk.MustExec("drop table if exists test;") - tk.MustExec("create table test(`id` int(10) NOT NULL AUTO_INCREMENT,`name` varchar(50) NOT NULL DEFAULT 'tidb',`age` int(11) NOT NULL,`addr` varchar(50) DEFAULT 'The ocean of stars',PRIMARY KEY (`id`),KEY `idx_age` (`age`))") - tk.MustExec("insert into test(age) values(5);") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("analyze table test;") - tk.MustExec(fmt.Sprintf("set session tidb_opt_prefer_range_scan = %v", 1)) - - for i, ts := range input { - s.testData.OnRecord(func() { - output[i].SQL = ts - output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + ts).Rows()) - }) - tk.MustQuery("explain " + ts).Check(testkit.Rows(output[i].Plan...)) - } -} diff --git a/planner/core/testdata/plan_suite_in.json b/planner/core/testdata/plan_suite_in.json index e2a62fb8112cb..c7ef95cc9402b 100644 --- a/planner/core/testdata/plan_suite_in.json +++ b/planner/core/testdata/plan_suite_in.json @@ -662,17 +662,5 @@ "select a from t2 where t2.a < (select t1.a from t1 where t1.b = t2.b and t1.a is null);", "select a from t2 where t2.a < (select t3.a from t3 where t3.a = t2.a);" ] - }, - { - "name": "TestPreferRangeScanOff", - "cases": [ - "select * from test where age=5;" - ] - }, - { - "name": "TestPreferRangeScanOn", - "cases": [ - "select * from test where age=5;" - ] } ] diff --git a/planner/core/testdata/plan_suite_out.json b/planner/core/testdata/plan_suite_out.json index 30f825afe345d..825cbbfc774d4 100644 --- a/planner/core/testdata/plan_suite_out.json +++ b/planner/core/testdata/plan_suite_out.json @@ -2222,33 +2222,5 @@ "Result": null } ] - }, - { - "Name": "TestPreferRangeScanOff", - "Cases": [ - { - "SQL": "select * from test where age=5;", - "Plan": [ - "TableReader_7 2048.00 root data:Selection_6", - "└─Selection_6 2048.00 cop[tikv] eq(test.test.age, 5)", - " └─TableFullScan_5 2048.00 cop[tikv] table:test keep order:false" - ], - "Result": null - } - ] - }, - { - "Name": "TestPreferRangeScanOn", - "Cases": [ - { - "SQL": "select * from test where age=5;", - "Plan": [ - "IndexLookUp_7 2048.00 root ", - "├─IndexRangeScan_5(Build) 2048.00 cop[tikv] table:test, index:idx_age(age) range:[5,5], keep order:false", - "└─TableRowIDScan_6(Probe) 2048.00 cop[tikv] table:test keep order:false" - ], - "Result": null - } - ] } ] From 0cddd8b7fb0169a9c1c7d229235322c9f3071fe2 Mon Sep 17 00:00:00 2001 From: Yiding Cui Date: Wed, 25 Nov 2020 20:10:20 +0800 Subject: [PATCH 0299/1021] statistics: fix the panic when analyze with collation enabled (#21262) --- executor/analyze.go | 5 +++++ executor/analyze_test.go | 24 ++++++++++++++++++++++++ statistics/histogram.go | 8 ++++++++ 3 files changed, 37 insertions(+) diff --git a/executor/analyze.go b/executor/analyze.go index 9eb5987292d92..89ad104574dbb 100644 --- a/executor/analyze.go +++ b/executor/analyze.go @@ -558,6 +558,11 @@ func (e *AnalyzeColumnsExec) buildStats(ranges []*ranger.Range, needExtStats boo if err != nil { return nil, nil, nil, nil, err } + // When collation is enabled, we store the Key representation of the sampling data. So we set it to kind `Bytes` here + // to avoid to convert it to its Key representation once more. + if collectors[i].Samples[j].Value.Kind() == types.KindString { + collectors[i].Samples[j].Value.SetBytes(collectors[i].Samples[j].Value.GetBytes()) + } } hg, err := statistics.BuildColumn(e.ctx, int64(e.opts[ast.AnalyzeOptNumBuckets]), col.ID, collectors[i], &col.FieldType) if err != nil { diff --git a/executor/analyze_test.go b/executor/analyze_test.go index 659b309e25ca3..98eec4624c66e 100644 --- a/executor/analyze_test.go +++ b/executor/analyze_test.go @@ -44,6 +44,7 @@ import ( "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/codec" + "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/testkit" ) @@ -759,3 +760,26 @@ func (s *testSuite1) TestDefaultValForAnalyze(c *C) { tk.MustQuery("explain select * from t where a = 1").Check(testkit.Rows("IndexReader_6 1.00 root index:IndexRangeScan_5", "└─IndexRangeScan_5 1.00 cop[tikv] table:t, index:a(a) range:[1,1], keep order:false")) } + +func (s *testSuite1) TestIssue20874(c *C) { + collate.SetNewCollationEnabledForTest(true) + defer collate.SetNewCollationEnabledForTest(false) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a char(10) collate utf8mb4_unicode_ci not null, b char(20) collate utf8mb4_general_ci not null, key idxa(a), key idxb(b))") + tk.MustExec("insert into t values ('#', 'C'), ('$', 'c'), ('a', 'a')") + tk.MustExec("analyze table t") + tk.MustQuery("show stats_buckets where db_name = 'test' and table_name = 't'").Sort().Check(testkit.Rows( + "test t a 0 0 1 1 \x02\xd2 \x02\xd2", + "test t a 0 1 2 1 \x0e\x0f \x0e\x0f", + "test t a 0 2 3 1 \x0e3 \x0e3", + "test t b 0 0 1 1 \x00A \x00A", + "test t b 0 1 3 2 \x00C \x00C", + "test t idxa 1 0 1 1 \x02\xd2 \x02\xd2", + "test t idxa 1 1 2 1 \x0e\x0f \x0e\x0f", + "test t idxa 1 2 3 1 \x0e3 \x0e3", + "test t idxb 1 0 1 1 \x00A \x00A", + "test t idxb 1 1 3 2 \x00C \x00C", + )) +} diff --git a/statistics/histogram.go b/statistics/histogram.go index 4010229e5ea40..f263ff30c803e 100644 --- a/statistics/histogram.go +++ b/statistics/histogram.go @@ -23,6 +23,7 @@ import ( "unsafe" "github.com/pingcap/errors" + "github.com/pingcap/parser/charset" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" @@ -90,6 +91,13 @@ type scalar struct { // NewHistogram creates a new histogram. func NewHistogram(id, ndv, nullCount int64, version uint64, tp *types.FieldType, bucketSize int, totColSize int64) *Histogram { + if tp.EvalType() == types.ETString { + // The histogram will store the string value's 'sort key' representation of its collation. + // If we directly set the field type's collation to its original one. We would decode the Key representation using its collation. + // This would cause panic. So we apply a little trick here to avoid decoding it by explicitly changing the collation to 'CollationBin'. + tp = tp.Clone() + tp.Collate = charset.CollationBin + } return &Histogram{ ID: id, NDV: ndv, From e01f5e41c2341313ecfb3780662ab892a5952e6b Mon Sep 17 00:00:00 2001 From: Song Gao Date: Wed, 25 Nov 2020 20:27:38 +0800 Subject: [PATCH 0300/1021] store, session: Introduce system variable to control ratelimit action (#21259) --- distsql/distsql.go | 7 +- executor/executor_test.go | 96 ---------------------- executor/simple.go | 2 +- kv/kv.go | 2 +- session/session.go | 1 + session/session_test.go | 133 +++++++++++++++++++++++++++++++ sessionctx/variable/session.go | 6 ++ sessionctx/variable/sysvar.go | 2 + sessionctx/variable/tidb_vars.go | 4 + store/tikv/coprocessor.go | 35 ++++---- util/mock/client.go | 2 +- 11 files changed, 170 insertions(+), 120 deletions(-) diff --git a/distsql/distsql.go b/distsql/distsql.go index 0a0d0a45cbbb0..54cff06bfead7 100644 --- a/distsql/distsql.go +++ b/distsql/distsql.go @@ -70,7 +70,8 @@ func Select(ctx context.Context, sctx sessionctx.Context, kvReq *kv.Request, fie if !sctx.GetSessionVars().EnableStreaming { kvReq.Streaming = false } - resp := sctx.GetClient().Send(ctx, kvReq, sctx.GetSessionVars().KVVars, sctx.GetSessionVars().StmtCtx.MemTracker) + enabledRateLimitAction := sctx.GetSessionVars().EnabledRateLimitAction + resp := sctx.GetClient().Send(ctx, kvReq, sctx.GetSessionVars().KVVars, sctx.GetSessionVars().StmtCtx.MemTracker, enabledRateLimitAction) if resp == nil { err := errors.New("client returns nil response") return nil, err @@ -131,7 +132,7 @@ func SelectWithRuntimeStats(ctx context.Context, sctx sessionctx.Context, kvReq // Analyze do a analyze request. func Analyze(ctx context.Context, client kv.Client, kvReq *kv.Request, vars *kv.Variables, isRestrict bool, sessionMemTracker *memory.Tracker) (SelectResult, error) { - resp := client.Send(ctx, kvReq, vars, sessionMemTracker) + resp := client.Send(ctx, kvReq, vars, sessionMemTracker, false) if resp == nil { return nil, errors.New("client returns nil response") } @@ -153,7 +154,7 @@ func Analyze(ctx context.Context, client kv.Client, kvReq *kv.Request, vars *kv. func Checksum(ctx context.Context, client kv.Client, kvReq *kv.Request, vars *kv.Variables) (SelectResult, error) { // FIXME: As BR have dependency of `Checksum` and TiDB also introduced BR as dependency, Currently we can't edit // Checksum function signature. The two-way dependence should be removed in future. - resp := client.Send(ctx, kvReq, vars, nil) + resp := client.Send(ctx, kvReq, vars, nil, false) if resp == nil { return nil, errors.New("client returns nil response") } diff --git a/executor/executor_test.go b/executor/executor_test.go index 88467a86efddc..e6e6d6b2419a7 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6714,102 +6714,6 @@ func (s *testCoprCache) TestIntegrationCopCache(c *C) { c.Assert(hitRatio > 0, Equals, true) } -func (s *testSerialSuite) TestCoprocessorOOMAction(c *C) { - // Assert Coprocessor OOMAction - tk := testkit.NewTestKit(c, s.store) - tk.MustExec("use test") - tk.MustExec(`set @@tidb_wait_split_region_finish=1`) - // create table for non keep-order case - tk.MustExec("drop table if exists t5") - tk.MustExec("create table t5(id int)") - tk.MustQuery(`split table t5 between (0) and (10000) regions 10`).Check(testkit.Rows("9 1")) - // create table for keep-order case - tk.MustExec("drop table if exists t6") - tk.MustExec("create table t6(id int, index(id))") - tk.MustQuery(`split table t6 between (0) and (10000) regions 10`).Check(testkit.Rows("10 1")) - tk.MustQuery("split table t6 INDEX id between (0) and (10000) regions 10;").Check(testkit.Rows("10 1")) - count := 10 - for i := 0; i < count; i++ { - tk.MustExec(fmt.Sprintf("insert into t5 (id) values (%v)", i)) - tk.MustExec(fmt.Sprintf("insert into t6 (id) values (%v)", i)) - } - - testcases := []struct { - name string - sql string - }{ - { - name: "keep Order", - sql: "select id from t6 order by id", - }, - { - name: "non keep Order", - sql: "select id from t5", - }, - } - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { - conf.OOMAction = config.OOMActionCancel - }) - failpoint.Enable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockConsumeAndAssert", `return(true)`) - defer failpoint.Disable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockConsumeAndAssert") - - failpoint.Enable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockWaitMax", `return(true)`) - // assert oom action - for _, testcase := range testcases { - c.Log(testcase.name) - // larger than 4 copResponse, smaller than 5 copResponse - quota := 5*tikv.MockResponseSizeForTest - 100 - se, err := session.CreateSession4Test(s.store) - c.Check(err, IsNil) - tk.Se = se - tk.MustExec("use test") - tk.MustExec("set @@tidb_distsql_scan_concurrency = 10") - tk.MustExec(fmt.Sprintf("set @@tidb_mem_quota_query=%v;", quota)) - var expect []string - for i := 0; i < count; i++ { - expect = append(expect, fmt.Sprintf("%v", i)) - } - tk.MustQuery(testcase.sql).Sort().Check(testkit.Rows(expect...)) - // assert oom action worked by max consumed > memory quota - c.Assert(tk.Se.GetSessionVars().StmtCtx.MemTracker.MaxConsumed(), Greater, int64(quota)) - se.Close() - } - failpoint.Disable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockWaitMax") - - // assert oom fallback - for _, testcase := range testcases { - c.Log(testcase.name) - se, err := session.CreateSession4Test(s.store) - c.Check(err, IsNil) - tk.Se = se - tk.MustExec("use test") - tk.MustExec("set tidb_distsql_scan_concurrency = 1") - tk.MustExec("set @@tidb_mem_quota_query=1;") - err = tk.QueryToErr(testcase.sql) - c.Assert(err, NotNil) - c.Assert(err.Error(), Matches, "Out Of Memory Quota.*") - se.Close() - } - - // assert disable - failpoint.Enable("github.com/pingcap/tidb/store/tikv/testRateLimitActionDisable", `return(true)`) - defer failpoint.Disable("github.com/pingcap/tidb/store/tikv/testRateLimitActionDisable") - for _, testcase := range testcases { - c.Log(testcase.name) - se, err := session.CreateSession4Test(s.store) - c.Check(err, IsNil) - tk.Se = se - tk.MustExec("use test") - tk.MustExec("set @@tidb_distsql_scan_concurrency = 30") - tk.MustExec("set @@tidb_mem_quota_query=1") - err = tk.QueryToErr(testcase.sql) - c.Assert(err, NotNil) - c.Assert(err.Error(), Matches, "Out Of Memory Quota.*") - se.Close() - } -} - func (s *testSuite) TestIssue20237(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/executor/simple.go b/executor/simple.go index 6113d0f4c262b..1203bcd1ebdf3 100644 --- a/executor/simple.go +++ b/executor/simple.go @@ -1152,7 +1152,7 @@ func killRemoteConn(ctx context.Context, sctx sessionctx.Context, connID *util.G return err } - resp := sctx.GetClient().Send(ctx, kvReq, sctx.GetSessionVars().KVVars, sctx.GetSessionVars().StmtCtx.MemTracker) + resp := sctx.GetClient().Send(ctx, kvReq, sctx.GetSessionVars().KVVars, sctx.GetSessionVars().StmtCtx.MemTracker, false) if resp == nil { err := errors.New("client returns nil response") return err diff --git a/kv/kv.go b/kv/kv.go index 0107f5db29a2e..3416cb4e3a034 100644 --- a/kv/kv.go +++ b/kv/kv.go @@ -306,7 +306,7 @@ type ReturnedValue struct { // Client is used to send request to KV layer. type Client interface { // Send sends request to KV layer, returns a Response. - Send(ctx context.Context, req *Request, vars *Variables, sessionMemTracker *memory.Tracker) Response + Send(ctx context.Context, req *Request, vars *Variables, sessionMemTracker *memory.Tracker, enabledRateLimitAction bool) Response // IsRequestTypeSupported checks if reqType and subType is supported. IsRequestTypeSupported(reqType, subType int64) bool diff --git a/session/session.go b/session/session.go index 2c3c175fcdc48..94b8eb4ba5721 100644 --- a/session/session.go +++ b/session/session.go @@ -2231,6 +2231,7 @@ var builtinGlobalVariable = []string{ variable.TiDBEnableChangeColumnType, variable.TiDBEnableAmendPessimisticTxn, variable.TiDBMemoryUsageAlarmRatio, + variable.TiDBEnableRateLimitAction, } var ( diff --git a/session/session_test.go b/session/session_test.go index 8cce454808dd6..4b5e227c180a5 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -3259,6 +3259,23 @@ func (s *testSessionSuite2) TestSetTxnScope(c *C) { result.Check(testkit.Rows(oracle.GlobalTxnScope)) } +func (s *testSessionSuite2) TestSetEnableRateLimitAction(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + // assert default value + result := tk.MustQuery("select @@tidb_enable_rate_limit_action;") + result.Check(testkit.Rows("1")) + + // assert set sys variable + tk.MustExec("set global tidb_enable_rate_limit_action= '0';") + tk.Se.Close() + + se, err := session.CreateSession4Test(s.store) + c.Check(err, IsNil) + tk.Se = se + result = tk.MustQuery("select @@tidb_enable_rate_limit_action;") + result.Check(testkit.Rows("0")) +} + func (s *testSessionSuite3) TestSetVarHint(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) @@ -3549,3 +3566,119 @@ func (s *testSessionSuite2) TestSelectLockInShare(c *C) { tk1.MustQuery("select * from t_sel_in_share lock in share mode").Check(testkit.Rows("11")) tk1.MustExec("DROP TABLE t_sel_in_share") } + +func (s *testSessionSerialSuite) TestCoprocessorOOMAction(c *C) { + //Assert Coprocessor OOMAction + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec(`set @@tidb_wait_split_region_finish=1`) + // create table for non keep-order case + tk.MustExec("drop table if exists t5") + tk.MustExec("create table t5(id int)") + tk.MustQuery(`split table t5 between (0) and (10000) regions 10`).Check(testkit.Rows("9 1")) + // create table for keep-order case + tk.MustExec("drop table if exists t6") + tk.MustExec("create table t6(id int, index(id))") + tk.MustQuery(`split table t6 between (0) and (10000) regions 10`).Check(testkit.Rows("10 1")) + tk.MustQuery("split table t6 INDEX id between (0) and (10000) regions 10;").Check(testkit.Rows("10 1")) + count := 10 + for i := 0; i < count; i++ { + tk.MustExec(fmt.Sprintf("insert into t5 (id) values (%v)", i)) + tk.MustExec(fmt.Sprintf("insert into t6 (id) values (%v)", i)) + } + + testcases := []struct { + name string + sql string + }{ + { + name: "keep Order", + sql: "select id from t6 order by id", + }, + { + name: "non keep Order", + sql: "select id from t5", + }, + } + defer config.RestoreFunc()() + config.UpdateGlobal(func(conf *config.Config) { + conf.OOMAction = config.OOMActionCancel + }) + failpoint.Enable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockConsumeAndAssert", `return(true)`) + defer failpoint.Disable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockConsumeAndAssert") + + enableOOM := func(tk *testkit.TestKit, name, sql string) { + c.Logf("enable OOM, testcase: %v", name) + // larger than 4 copResponse, smaller than 5 copResponse + quota := 5*tikv.MockResponseSizeForTest - 100 + tk.MustExec("use test") + tk.MustExec("set @@tidb_distsql_scan_concurrency = 10") + tk.MustExec(fmt.Sprintf("set @@tidb_mem_quota_query=%v;", quota)) + var expect []string + for i := 0; i < count; i++ { + expect = append(expect, fmt.Sprintf("%v", i)) + } + tk.MustQuery(sql).Sort().Check(testkit.Rows(expect...)) + // assert oom action worked by max consumed > memory quota + c.Assert(tk.Se.GetSessionVars().StmtCtx.MemTracker.MaxConsumed(), Greater, int64(quota)) + } + + disableOOM := func(tk *testkit.TestKit, name, sql string) { + c.Logf("disable OOM, testcase: %v", name) + quota := 5*tikv.MockResponseSizeForTest - 100 + tk.MustExec("use test") + tk.MustExec("set @@tidb_distsql_scan_concurrency = 10") + tk.MustExec(fmt.Sprintf("set @@tidb_mem_quota_query=%v;", quota)) + err := tk.QueryToErr(sql) + c.Assert(err, NotNil) + c.Assert(err.Error(), Matches, "Out Of Memory Quota.*") + } + + failpoint.Enable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockWaitMax", `return(true)`) + // assert oom action and switch + for _, testcase := range testcases { + se, err := session.CreateSession4Test(s.store) + c.Check(err, IsNil) + tk.Se = se + enableOOM(tk, testcase.name, testcase.sql) + tk.MustExec("set @@tidb_enable_rate_limit_action = 0") + disableOOM(tk, testcase.name, testcase.sql) + tk.MustExec("set @@tidb_enable_rate_limit_action = 1") + enableOOM(tk, testcase.name, testcase.sql) + se.Close() + } + + globaltk := testkit.NewTestKitWithInit(c, s.store) + globaltk.MustExec("set global tidb_enable_rate_limit_action= 0") + for _, testcase := range testcases { + se, err := session.CreateSession4Test(s.store) + c.Check(err, IsNil) + tk.Se = se + disableOOM(tk, testcase.name, testcase.sql) + se.Close() + } + globaltk.MustExec("set global tidb_enable_rate_limit_action= 1") + for _, testcase := range testcases { + se, err := session.CreateSession4Test(s.store) + c.Check(err, IsNil) + tk.Se = se + enableOOM(tk, testcase.name, testcase.sql) + se.Close() + } + failpoint.Disable("github.com/pingcap/tidb/store/tikv/testRateLimitActionMockWaitMax") + + // assert oom fallback + for _, testcase := range testcases { + c.Log(testcase.name) + se, err := session.CreateSession4Test(s.store) + c.Check(err, IsNil) + tk.Se = se + tk.MustExec("use test") + tk.MustExec("set tidb_distsql_scan_concurrency = 1") + tk.MustExec("set @@tidb_mem_quota_query=1;") + err = tk.QueryToErr(testcase.sql) + c.Assert(err, NotNil) + c.Assert(err.Error(), Matches, "Out Of Memory Quota.*") + se.Close() + } +} diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 4afde3bfa8fe1..1369569549d6d 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -753,6 +753,9 @@ type SessionVars struct { // TxnScope indicates the scope of the transactions. It should be `global` or equal to `dc-location` in configuration. TxnScope string + + // EnabledRateLimitAction indicates whether enabled ratelimit action during coprocessor + EnabledRateLimitAction bool } // UseDynamicPartitionPrune indicates whether use new dynamic partition prune. @@ -891,6 +894,7 @@ func NewSessionVars() *SessionVars { EnableAmendPessimisticTxn: DefTiDBEnableAmendPessimisticTxn, PartitionPruneMode: *atomic2.NewString(DefTiDBPartitionPruneMode), TxnScope: config.GetGlobalConfig().TxnScope, + EnabledRateLimitAction: DefTiDBEnableRateLimitAction, } vars.KVVars = kv.NewVariables(&vars.Killed) vars.Concurrency = Concurrency{ @@ -1590,6 +1594,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.TxnScope = val case TiDBMemoryUsageAlarmRatio: MemoryUsageAlarmRatio.Store(tidbOptFloat64(val, 0.8)) + case TiDBEnableRateLimitAction: + s.EnabledRateLimitAction = TiDBOptOn(val) } s.systems[name] = val return nil diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 108e4bca62ed8..582027298c3ed 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1032,6 +1032,8 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableVectorizedExpression, Value: BoolToOnOff(DefEnableVectorizedExpression), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableFastAnalyze, Value: BoolToOnOff(DefTiDBUseFastAnalyze), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBSkipIsolationLevelCheck, Value: BoolToOnOff(DefTiDBSkipIsolationLevelCheck), Type: TypeBool}, + + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableRateLimitAction, Value: BoolToOnOff(DefTiDBEnableRateLimitAction), Type: TypeBool}, /* The following variable is defined as session scope but is actually server scope. */ {Scope: ScopeSession, Name: TiDBGeneralLog, Value: BoolToOnOff(DefTiDBGeneralLog), Type: TypeBool}, {Scope: ScopeSession, Name: TiDBPProfSQLCPU, Value: strconv.Itoa(DefTiDBPProfSQLCPU), Type: TypeInt, MinValue: 0, MaxValue: 1}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index cc394c27dcaec..cb042bfa32097 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -470,6 +470,9 @@ const ( // TiDBMemoryUsageAlarmRatio indicates the alarm threshold when memory usage of the tidb-server exceeds. TiDBMemoryUsageAlarmRatio = "tidb_memory_usage_alarm_ratio" + + // TiDBEnableRateLimitAction indicates whether enabled ratelimit action + TiDBEnableRateLimitAction = "tidb_enable_rate_limit_action" ) // Default TiDB system variable values. @@ -581,6 +584,7 @@ const ( DefTiDBEnableParallelApply = false DefTiDBEnableAmendPessimisticTxn = true DefTiDBPartitionPruneMode = "static-only" + DefTiDBEnableRateLimitAction = true ) // Process global variables. diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go index 68bd938db9ca7..c0e4603e39c67 100644 --- a/store/tikv/coprocessor.go +++ b/store/tikv/coprocessor.go @@ -59,7 +59,7 @@ type CopClient struct { } // Send builds the request and gets the coprocessor iterator response. -func (c *CopClient) Send(ctx context.Context, req *kv.Request, vars *kv.Variables, sessionMemTracker *memory.Tracker) kv.Response { +func (c *CopClient) Send(ctx context.Context, req *kv.Request, vars *kv.Variables, sessionMemTracker *memory.Tracker, enabledRateLimitAction bool) kv.Response { if req.StoreType == kv.TiFlash && req.BatchCop { logutil.BgLogger().Debug("send batch requests") return c.sendBatch(ctx, req, vars) @@ -94,10 +94,14 @@ func (c *CopClient) Send(ctx context.Context, req *kv.Request, vars *kv.Variable it.sendRate = newRateLimit(2 * it.concurrency) it.respChan = nil } else { - // The count of cached response in memory is controlled by the capacity of the it.sendRate, not capacity of the respChan. - // As the worker will send finCopResponse after each task being handled, we make the capacity of the respCh equals to - // 2*it.concurrency to avoid deadlock in the unit test caused by the `MustExec` or `Exec` - it.respChan = make(chan *copResponse, it.concurrency*2) + capacity := it.concurrency + if enabledRateLimitAction { + // The count of cached response in memory is controlled by the capacity of the it.sendRate, not capacity of the respChan. + // As the worker will send finCopResponse after each task being handled, we make the capacity of the respCh equals to + // 2*it.concurrency to avoid deadlock in the unit test caused by the `MustExec` or `Exec` + capacity = it.concurrency * 2 + } + it.respChan = make(chan *copResponse, capacity) it.sendRate = newRateLimit(it.concurrency) } it.actionOnExceed = newRateLimitAction(uint(cap(it.sendRate.token))) @@ -108,7 +112,7 @@ func (c *CopClient) Send(ctx context.Context, req *kv.Request, vars *kv.Variable if !it.req.Streaming { ctx = context.WithValue(ctx, RPCCancellerCtxKey{}, it.rpcCancel) } - it.open(ctx) + it.open(ctx, enabledRateLimitAction) return it } @@ -440,6 +444,8 @@ type copIteratorWorker struct { memTracker *memory.Tracker replicaReadSeed uint32 + + actionOnExceed *rateLimitAction } // copIteratorTaskSender sends tasks to taskCh then wait for the workers to exit. @@ -546,7 +552,7 @@ func (worker *copIteratorWorker) run(ctx context.Context) { } // open starts workers and sender goroutines. -func (it *copIterator) open(ctx context.Context) { +func (it *copIterator) open(ctx context.Context, enabledRateLimitAction bool) { taskCh := make(chan *copTask, 1) it.wg.Add(it.concurrency) // Start it.concurrency number of workers to handle cop requests. @@ -565,10 +571,9 @@ func (it *copIterator) open(ctx context.Context) { minCommitTSPushed: &it.minCommitTSPushed, Client: it.store.client, }, - - memTracker: it.memTracker, - + memTracker: it.memTracker, replicaReadSeed: it.replicaReadSeed, + actionOnExceed: it.actionOnExceed, } go worker.run(ctx) } @@ -580,8 +585,8 @@ func (it *copIterator) open(ctx context.Context) { sendRate: it.sendRate, } taskSender.respChan = it.respChan - // If the ticket is less than 2, wo will directly disable the actionOnExceed - it.actionOnExceed.setEnabled(true) + // enabledRateLimit decides whether enabled ratelimit action + it.actionOnExceed.setEnabled(enabledRateLimitAction) go taskSender.run() } @@ -1345,12 +1350,6 @@ func newRateLimitAction(totalTokenNumber uint) *rateLimitAction { // Action implements ActionOnExceed.Action func (e *rateLimitAction) Action(t *memory.Tracker) { - failpoint.Inject("testRateLimitActionDisable", func(val failpoint.Value) { - if val.(bool) { - e.setEnabled(false) - } - }) - if !e.isEnabled() { if fallback := e.GetFallback(); fallback != nil { fallback.Action(t) diff --git a/util/mock/client.go b/util/mock/client.go index 5acb099328ad4..56ec53336d2e4 100644 --- a/util/mock/client.go +++ b/util/mock/client.go @@ -28,6 +28,6 @@ type Client struct { } // Send implement kv.Client interface. -func (c *Client) Send(ctx context.Context, req *kv.Request, kv *kv.Variables, sessionMemTracker *memory.Tracker) kv.Response { +func (c *Client) Send(ctx context.Context, req *kv.Request, kv *kv.Variables, sessionMemTracker *memory.Tracker, enabledRateLimit bool) kv.Response { return c.MockResponse } From 727d8f195c9767028e45663aeccefc90643e5d50 Mon Sep 17 00:00:00 2001 From: crazycs Date: Wed, 25 Nov 2020 21:16:00 +0800 Subject: [PATCH 0301/1021] server: add metric for connection idle time (#21265) --- infoschema/metric_table_def.go | 16 ++++ metrics/grafana/tidb.json | 132 ++++++++++++++++++++++++++++++++- metrics/metrics.go | 1 + metrics/server.go | 9 +++ metrics/session.go | 1 + server/conn.go | 14 +++- 6 files changed, 170 insertions(+), 3 deletions(-) diff --git a/infoschema/metric_table_def.go b/infoschema/metric_table_def.go index 1b92662338fc2..88ffb9521d801 100644 --- a/infoschema/metric_table_def.go +++ b/infoschema/metric_table_def.go @@ -82,6 +82,22 @@ var MetricTableMap = map[string]MetricTableDef{ Labels: []string{"instance"}, Comment: "TiDB current connection counts", }, + "tidb_connection_idle_duration": { + PromQL: `histogram_quantile($QUANTILE, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{$LABEL_CONDITIONS}[$RANGE_DURATION])) by (le,in_txn,instance))`, + Labels: []string{"instance", "in_txn"}, + Quantile: 0.90, + Comment: "The quantile of TiDB connection idle durations(second)", + }, + "tidb_connection_idle_total_count": { + PromQL: `sum(increase(tidb_server_conn_idle_duration_seconds_count{$LABEL_CONDITIONS}[$RANGE_DURATION])) by (in_txn,instance)`, + Labels: []string{"instance", "in_txn"}, + Comment: "The total count of TiDB connection idle", + }, + "tidb_connection_idle_total_time": { + PromQL: `sum(increase(tidb_server_conn_idle_duration_seconds_sum{$LABEL_CONDITIONS}[$RANGE_DURATION])) by (in_txn,instance)`, + Labels: []string{"instance", "in_txn"}, + Comment: "The total time of TiDB connection idle", + }, "node_process_open_fd_count": { PromQL: "process_open_fds{$LABEL_CONDITIONS}", Labels: []string{"instance", "job"}, diff --git a/metrics/grafana/tidb.json b/metrics/grafana/tidb.json index 642302a9d39c1..6fbe99200ca3f 100644 --- a/metrics/grafana/tidb.json +++ b/metrics/grafana/tidb.json @@ -606,9 +606,9 @@ "fill": 1, "gridPos": { "h": 6, - "w": 24, + "w": 12, "x": 0, - "y": 19 + "y": 25 }, "id": 112, "legend": { @@ -696,6 +696,134 @@ "alignLevel": null } }, + { + "aliasColors": {}, + "bars": false, + "dashLength": 10, + "dashes": false, + "datasource": "${DS_TEST-CLUSTER}", + "description": "TiDB connection idle durations", + "fill": 1, + "gridPos": { + "h": 6, + "w": 12, + "x": 12, + "y": 25 + }, + "id": 218, + "legend": { + "avg": false, + "current": false, + "max": false, + "min": false, + "show": true, + "total": false, + "values": false + }, + "lines": true, + "linewidth": 1, + "links": [], + "nullPointMode": "null as zero", + "percentage": false, + "pointradius": 5, + "points": false, + "renderer": "flot", + "seriesOverrides": [], + "spaceLength": 10, + "stack": false, + "steppedLine": false, + "targets": [ + { + "expr": "histogram_quantile(0.99, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='1'}[1m])) by (le,in_txn,instance))", + "format": "time_series", + "interval": "", + "intervalFactor": 2, + "legendFormat": "99-in-txn", + "refId": "A" + }, + { + "expr": "histogram_quantile(0.99, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='0'}[1m])) by (le,in_txn,instance))", + "format": "time_series", + "interval": "", + "intervalFactor": 2, + "legendFormat": "99-not-in-txn", + "refId": "B" + }, + { + "expr": "histogram_quantile(0.90, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='1'}[1m])) by (le,in_txn,instance))", + "format": "time_series", + "interval": "", + "intervalFactor": 2, + "legendFormat": "90-in-txn", + "refId": "C" + }, + { + "expr": "histogram_quantile(0.90, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='0'}[1m])) by (le,in_txn,instance))", + "format": "time_series", + "interval": "", + "intervalFactor": 2, + "legendFormat": "90-not-in-txn", + "refId": "D" + }, + { + "expr": "histogram_quantile(0.80, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='1'}[1m])) by (le,in_txn,instance))", + "format": "time_series", + "interval": "", + "intervalFactor": 2, + "legendFormat": "80-in-txn", + "refId": "E" + }, + { + "expr": "histogram_quantile(0.80, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='0'}[1m])) by (le,in_txn,instance))", + "format": "time_series", + "interval": "", + "intervalFactor": 2, + "legendFormat": "80-not-in-txn", + "refId": "F" + } + ], + "thresholds": [], + "timeFrom": null, + "timeRegions": [], + "timeShift": null, + "title": "Connection Idle Duration", + "tooltip": { + "shared": true, + "sort": 0, + "value_type": "individual" + }, + "type": "graph", + "xaxis": { + "buckets": null, + "mode": "time", + "name": null, + "show": true, + "values": [] + }, + "yaxes": [ + { + "$$hashKey": "object:518", + "format": "s", + "label": null, + "logBase": 2, + "max": null, + "min": null, + "show": true + }, + { + "format": "short", + "label": null, + "logBase": 1, + "max": null, + "min": null, + "show": true + } + ], + "yaxis": { + "align": false, + "alignLevel": null + } + }, { "aliasColors": {}, "bars": false, diff --git a/metrics/metrics.go b/metrics/metrics.go index 62c2d4d615152..e72a89cf1fb87 100644 --- a/metrics/metrics.go +++ b/metrics/metrics.go @@ -173,4 +173,5 @@ func RegisterMetrics() { prometheus.MustRegister(TiKVOnePCTxnCounter) prometheus.MustRegister(MaxProcs) prometheus.MustRegister(GOGC) + prometheus.MustRegister(ConnIdleDurationHistogram) } diff --git a/metrics/server.go b/metrics/server.go index 7091c0f997fc0..eaaefe7be01e5 100644 --- a/metrics/server.go +++ b/metrics/server.go @@ -186,6 +186,15 @@ var ( Name: "gogc", Help: "The value of GOGC", }) + + ConnIdleDurationHistogram = prometheus.NewHistogramVec( + prometheus.HistogramOpts{ + Namespace: "tidb", + Subsystem: "server", + Name: "conn_idle_duration_seconds", + Help: "Bucketed histogram of connection idle time (s).", + Buckets: prometheus.ExponentialBuckets(0.0005, 2, 29), // 0.5ms ~ 1.5days + }, []string{LblInTxn}) ) // ExecuteErrorToLabel converts an execute error to label. diff --git a/metrics/session.go b/metrics/session.go index feb38783ce161..a5fc0a974d3b0 100644 --- a/metrics/session.go +++ b/metrics/session.go @@ -143,4 +143,5 @@ const ( LblBatchGet = "batch_get" LblGet = "get" LblLockKeys = "lock_keys" + LblInTxn = "in_txn" ) diff --git a/server/conn.go b/server/conn.go index 2ec9989c1272c..081fe4aea81fe 100644 --- a/server/conn.go +++ b/server/conn.go @@ -140,6 +140,9 @@ var ( disconnectNormal = metrics.DisconnectionCounter.WithLabelValues(metrics.LblOK) disconnectByClientWithError = metrics.DisconnectionCounter.WithLabelValues(metrics.LblError) disconnectErrorUndetermined = metrics.DisconnectionCounter.WithLabelValues("undetermined") + + connIdleDurationHistogramNotInTxn = metrics.ConnIdleDurationHistogram.WithLabelValues("0") + connIdleDurationHistogramInTxn = metrics.ConnIdleDurationHistogram.WithLabelValues("1") ) // newClientConn creates a *clientConn object. @@ -150,6 +153,7 @@ func newClientConn(s *Server) *clientConn { collation: mysql.DefaultCollationID, alloc: arena.NewAllocator(32 * 1024), status: connStatusDispatching, + lastActive: time.Now(), } } @@ -174,6 +178,7 @@ type clientConn struct { status int32 // dispatching/reading/shutdown/waitshutdown lastCode uint16 // last error code collation uint8 // collation used by client, may be different from the collation used by database. + lastActive time.Time // mu is used for cancelling the execution of current transaction. mu struct { @@ -923,6 +928,13 @@ func (cc *clientConn) dispatch(ctx context.Context, data []byte) error { // reset killed for each request atomic.StoreUint32(&cc.ctx.GetSessionVars().Killed, 0) }() + t := time.Now() + if (cc.ctx.Status() & mysql.ServerStatusInTrans) > 0 { + connIdleDurationHistogramInTxn.Observe(t.Sub(cc.lastActive).Seconds()) + } else { + connIdleDurationHistogramNotInTxn.Observe(t.Sub(cc.lastActive).Seconds()) + } + span := opentracing.StartSpan("server.dispatch") ctx = opentracing.ContextWithSpan(ctx, span) @@ -932,7 +944,6 @@ func (cc *clientConn) dispatch(ctx context.Context, data []byte) error { cc.mu.cancelFunc = cancelFunc cc.mu.Unlock() - t := time.Now() cc.lastPacket = data cmd := data[0] data = data[1:] @@ -969,6 +980,7 @@ func (cc *clientConn) dispatch(ctx context.Context, data []byte) error { cc.server.releaseToken(token) span.Finish() + cc.lastActive = time.Now() }() vars := cc.ctx.GetSessionVars() From 1689eeab6f02b32afc4f68f0c4c317d14d174719 Mon Sep 17 00:00:00 2001 From: crazycs Date: Wed, 25 Nov 2020 21:24:07 +0800 Subject: [PATCH 0302/1021] executor: fix cannot use explain for with the statement queried by explain analyze (#21052) --- executor/explainfor_test.go | 45 ++++++++++++++++++++----------------- session/session.go | 8 +++++-- 2 files changed, 31 insertions(+), 22 deletions(-) diff --git a/executor/explainfor_test.go b/executor/explainfor_test.go index 9e32abc37a79d..56ed51d727c3c 100644 --- a/executor/explainfor_test.go +++ b/executor/explainfor_test.go @@ -89,29 +89,34 @@ func (s *testSerialSuite) TestExplainFor(c *C) { "└─TableFullScan_4 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", )) tkRoot.MustExec("set @@tidb_enable_collect_execution_info=1;") - tkRoot.MustQuery("select * from t1;") - tkRootProcess = tkRoot.Se.ShowProcess() - ps = []*util.ProcessInfo{tkRootProcess} - tkRoot.Se.SetSessionManager(&mockSessionManager1{PS: ps}) - tkUser.Se.SetSessionManager(&mockSessionManager1{PS: ps}) - rows := tkRoot.MustQuery(fmt.Sprintf("explain for connection %d", tkRootProcess.ID)).Rows() - c.Assert(len(rows), Equals, 2) - c.Assert(len(rows[0]), Equals, 9) - buf := bytes.NewBuffer(nil) - for i, row := range rows { - if i > 0 { - buf.WriteString("\n") - } - for j, v := range row { - if j > 0 { - buf.WriteString(" ") + check := func() { + tkRootProcess = tkRoot.Se.ShowProcess() + ps = []*util.ProcessInfo{tkRootProcess} + tkRoot.Se.SetSessionManager(&mockSessionManager1{PS: ps}) + tkUser.Se.SetSessionManager(&mockSessionManager1{PS: ps}) + rows := tkRoot.MustQuery(fmt.Sprintf("explain for connection %d", tkRootProcess.ID)).Rows() + c.Assert(len(rows), Equals, 2) + c.Assert(len(rows[0]), Equals, 9) + buf := bytes.NewBuffer(nil) + for i, row := range rows { + if i > 0 { + buf.WriteString("\n") + } + for j, v := range row { + if j > 0 { + buf.WriteString(" ") + } + buf.WriteString(fmt.Sprintf("%v", v)) } - buf.WriteString(fmt.Sprintf("%v", v)) } + c.Assert(buf.String(), Matches, ""+ + "TableReader_5 10000.00 0 root time:.*, loops:1, cop_task: {num:.*, max:.*, proc_keys: 0, rpc_num: 1, rpc_time:.*, copr_cache_hit_ratio: 0.00} data:TableFullScan_4 N/A N/A\n"+ + "└─TableFullScan_4 10000.00 0 cop.* table:t1 time:.*, loops:0, tikv_task:{time:.*, loops:0} keep order:false, stats:pseudo N/A N/A") } - c.Assert(buf.String(), Matches, ""+ - "TableReader_5 10000.00 0 root time:.*, loops:1, cop_task: {num:.*, max:.*, proc_keys: 0, rpc_num: 1, rpc_time:.*, copr_cache_hit_ratio: 0.00} data:TableFullScan_4 N/A N/A\n"+ - "└─TableFullScan_4 10000.00 0 cop.* table:t1 time:.*, loops:0, tikv_task:{time:.*, loops:0} keep order:false, stats:pseudo N/A N/A") + tkRoot.MustQuery("select * from t1;") + check() + tkRoot.MustQuery("explain analyze select * from t1;") + check() err := tkUser.ExecToErr(fmt.Sprintf("explain for connection %d", tkRootProcess.ID)) c.Check(core.ErrAccessDenied.Equal(err), IsTrue) err = tkUser.ExecToErr("explain for connection 42") diff --git a/session/session.go b/session/session.go index 94b8eb4ba5721..4badf4d77cf63 100644 --- a/session/session.go +++ b/session/session.go @@ -1101,12 +1101,16 @@ func (s *session) SetProcessInfo(sql string, t time.Time, command byte, maxExecu if command != mysql.ComSleep || s.GetSessionVars().InTxn() { curTxnStartTS = s.sessionVars.TxnCtx.StartTS } + p := s.currentPlan + if explain, ok := p.(*plannercore.Explain); ok && explain.Analyze && explain.TargetPlan != nil { + p = explain.TargetPlan + } pi := util.ProcessInfo{ ID: s.sessionVars.ConnectionID, DB: s.sessionVars.CurrentDB, Command: command, - Plan: s.currentPlan, - PlanExplainRows: plannercore.GetExplainRowsForPlan(s.currentPlan), + Plan: p, + PlanExplainRows: plannercore.GetExplainRowsForPlan(p), RuntimeStatsColl: s.sessionVars.StmtCtx.RuntimeStatsColl, Time: t, State: s.Status(), From 4dfb172d9a22db19d46fc16d7759f2a0bd4a05fa Mon Sep 17 00:00:00 2001 From: Feng Liyuan Date: Wed, 25 Nov 2020 21:39:23 +0800 Subject: [PATCH 0303/1021] errno: show column name in redacted duplicate entry error (#21261) --- errno/errname.go | 2 +- executor/executor_test.go | 2 +- util/dbterror/terror_test.go | 6 +++--- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/errno/errname.go b/errno/errname.go index 3d6b299837e04..709c2b662d9b7 100644 --- a/errno/errname.go +++ b/errno/errname.go @@ -82,7 +82,7 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrTooLongIdent: mysql.Message("Identifier name '%-.100s' is too long", nil), ErrDupFieldName: mysql.Message("Duplicate column name '%-.192s'", nil), ErrDupKeyName: mysql.Message("Duplicate key name '%-.192s'", nil), - ErrDupEntry: mysql.Message("Duplicate entry '%-.64s' for key '%-.192s'", []int{0, 1}), + ErrDupEntry: mysql.Message("Duplicate entry '%-.64s' for key '%-.192s'", []int{0}), ErrWrongFieldSpec: mysql.Message("Incorrect column specifier for column '%-.192s'", nil), ErrParse: mysql.Message("%s %s", nil), ErrEmptyQuery: mysql.Message("Query was empty", nil), diff --git a/executor/executor_test.go b/executor/executor_test.go index e6e6d6b2419a7..1f721e67802f8 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6505,7 +6505,7 @@ func (s *testSerialSuite) TestPrevStmtDesensitization(c *C) { tk.MustExec("begin") tk.MustExec("insert into t values (1),(2)") c.Assert(tk.Se.GetSessionVars().PrevStmt.String(), Equals, "insert into t values ( ? ) , ( ? )") - c.Assert(tk.ExecToErr("insert into t values (1)").Error(), Equals, `[kv:1062]Duplicate entry '?' for key '?'`) + c.Assert(tk.ExecToErr("insert into t values (1)").Error(), Equals, `[kv:1062]Duplicate entry '?' for key 'a'`) } func (s *testSuite) TestIssue19372(c *C) { diff --git a/util/dbterror/terror_test.go b/util/dbterror/terror_test.go index ba66e26727d0a..d00ce61e17ec6 100644 --- a/util/dbterror/terror_test.go +++ b/util/dbterror/terror_test.go @@ -36,8 +36,8 @@ func (s *testkSuite) TestErrorRedact(c *C) { defer func() { errors.RedactLogEnabled.Store(original) }() class := ErrClass{} - err := class.NewStd(errno.ErrDupEntry).GenWithStackByArgs("sensitive", "data") + err := class.NewStd(errno.ErrDupEntry).GenWithStackByArgs("sensitive_data", "no_sensitive") c.Assert(strings.Contains(err.Error(), "?"), IsTrue) - c.Assert(strings.Contains(err.Error(), "sensitive"), IsFalse) - c.Assert(strings.Contains(err.Error(), "data"), IsFalse) + c.Assert(strings.Contains(err.Error(), "no_sensitive"), IsTrue) + c.Assert(strings.Contains(err.Error(), "sensitive_data"), IsFalse) } From ceefbf159181d1a4c7675a29e6f9bc88f430a5a3 Mon Sep 17 00:00:00 2001 From: Alkaid Jiang <38248129+jyz0309@users.noreply.github.com> Date: Wed, 25 Nov 2020 21:56:52 +0800 Subject: [PATCH 0304/1021] executor: Add the HashAggExec runtime information (#20577) --- executor/aggregate.go | 204 ++++++++++++++++++++++++++++---- executor/aggregate_test.go | 64 ++++++---- executor/executor_test.go | 13 ++ util/execdetails/execdetails.go | 2 + 4 files changed, 236 insertions(+), 47 deletions(-) diff --git a/executor/aggregate.go b/executor/aggregate.go index 768692ecbec6c..dcc2cb96e9ae5 100644 --- a/executor/aggregate.go +++ b/executor/aggregate.go @@ -17,7 +17,10 @@ import ( "bytes" "context" "fmt" + "sort" "sync" + "sync/atomic" + "time" "github.com/cznic/mathutil" "github.com/pingcap/errors" @@ -47,6 +50,7 @@ type baseHashAggWorker struct { finishCh <-chan struct{} aggFuncs []aggfuncs.AggFunc maxChunkSize int + stats *AggWorkerStat } func newBaseHashAggWorker(ctx sessionctx.Context, finishCh <-chan struct{}, aggFuncs []aggfuncs.AggFunc, maxChunkSize int) baseHashAggWorker { @@ -171,6 +175,8 @@ type HashAggExec struct { executed bool memTracker *memory.Tracker // track memory usage. + + stats *HashAggRuntimeStats } // HashAggInput indicates the input of hash agg exec. @@ -234,22 +240,6 @@ func (e *HashAggExec) Close() error { for range e.finalOutputCh { } e.executed = false - - if e.runtimeStats != nil { - var partialConcurrency, finalConcurrency int - if e.isUnparallelExec { - partialConcurrency = 0 - finalConcurrency = 0 - } else { - partialConcurrency = cap(e.partialWorkers) - finalConcurrency = cap(e.finalWorkers) - } - partialConcurrencyInfo := execdetails.NewConcurrencyInfo("PartialConcurrency", partialConcurrency) - finalConcurrencyInfo := execdetails.NewConcurrencyInfo("FinalConcurrency", finalConcurrency) - runtimeStats := &execdetails.RuntimeStatsWithConcurrencyInfo{} - runtimeStats.SetConcurrencyInfo(partialConcurrencyInfo, finalConcurrencyInfo) - e.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.RegisterStats(e.id, runtimeStats) - } return e.baseExecutor.Close() } @@ -299,6 +289,7 @@ func (e *HashAggExec) initForParallelExec(ctx sessionctx.Context) { e.partialWorkers = make([]HashAggPartialWorker, partialConcurrency) e.finalWorkers = make([]HashAggFinalWorker, finalConcurrency) + e.initRuntimeStats() // Init partial workers. for i := 0; i < partialConcurrency; i++ { @@ -314,9 +305,12 @@ func (e *HashAggExec) initForParallelExec(ctx sessionctx.Context) { groupKey: make([][]byte, 0, 8), memTracker: e.memTracker, } + if e.stats != nil { + w.stats = &AggWorkerStat{} + e.stats.PartialStats = append(e.stats.PartialStats, w.stats) + } e.memTracker.Consume(w.chk.MemoryUsage()) e.partialWorkers[i] = w - input := &HashAggInput{ chk: newFirstChunk(e.children[0]), giveBackCh: w.inputCh, @@ -327,7 +321,7 @@ func (e *HashAggExec) initForParallelExec(ctx sessionctx.Context) { // Init final workers. for i := 0; i < finalConcurrency; i++ { - e.finalWorkers[i] = HashAggFinalWorker{ + w := HashAggFinalWorker{ baseHashAggWorker: newBaseHashAggWorker(e.ctx, e.finishCh, e.FinalAggFuncs, e.maxChunkSize), partialResultMap: make(aggPartialResultMapper), groupSet: set.NewStringSet(), @@ -338,6 +332,11 @@ func (e *HashAggExec) initForParallelExec(ctx sessionctx.Context) { mutableRow: chunk.MutRowFromTypes(retTypes(e)), groupKeys: make([][]byte, 0, 8), } + if e.stats != nil { + w.stats = &AggWorkerStat{} + e.stats.FinalStats = append(e.stats.FinalStats, w.stats) + } + e.finalWorkers[i] = w e.finalWorkers[i].finalResultHolderCh <- newFirstChunk(e) } } @@ -366,6 +365,7 @@ func recoveryHashAgg(output chan *AfFinalResult, r interface{}) { } func (w *HashAggPartialWorker) run(ctx sessionctx.Context, waitGroup *sync.WaitGroup, finalConcurrency int) { + start := time.Now() needShuffle, sc := false, ctx.GetSessionVars().StmtCtx defer func() { if r := recover(); r != nil { @@ -375,16 +375,29 @@ func (w *HashAggPartialWorker) run(ctx sessionctx.Context, waitGroup *sync.WaitG w.shuffleIntermData(sc, finalConcurrency) } w.memTracker.Consume(-w.chk.MemoryUsage()) + if w.stats != nil { + w.stats.WorkerTime += int64(time.Since(start)) + } waitGroup.Done() }() for { - if !w.getChildInput() { + waitStart := time.Now() + ok := w.getChildInput() + if w.stats != nil { + w.stats.WaitTime += int64(time.Since(waitStart)) + } + if !ok { return } + execStart := time.Now() if err := w.updatePartialResult(ctx, sc, w.chk, len(w.partialResultsMap)); err != nil { w.globalOutputCh <- &AfFinalResult{err: err} return } + if w.stats != nil { + w.stats.ExecTime += int64(time.Since(execStart)) + w.stats.TaskNum += 1 + } // The intermData can be promised to be not empty if reaching here, // so we set needShuffle to be true. needShuffle = true @@ -510,9 +523,15 @@ func (w *HashAggFinalWorker) consumeIntermData(sctx sessionctx.Context) (err err sc = sctx.GetSessionVars().StmtCtx ) for { - if input, ok = w.getPartialInput(); !ok { + waitStart := time.Now() + input, ok = w.getPartialInput() + if w.stats != nil { + w.stats.WaitTime += int64(time.Since(waitStart)) + } + if !ok { return nil } + execStart := time.Now() if intermDataBuffer == nil { intermDataBuffer = make([][]aggfuncs.PartialResult, 0, w.maxChunkSize) } @@ -537,14 +556,23 @@ func (w *HashAggFinalWorker) consumeIntermData(sctx sessionctx.Context) (err err } } } + if w.stats != nil { + w.stats.ExecTime += int64(time.Since(execStart)) + w.stats.TaskNum += 1 + } } } func (w *HashAggFinalWorker) getFinalResult(sctx sessionctx.Context) { + waitStart := time.Now() result, finished := w.receiveFinalResultHolder() + if w.stats != nil { + w.stats.WaitTime += int64(time.Since(waitStart)) + } if finished { return } + execStart := time.Now() w.groupKeys = w.groupKeys[:0] for groupKey := range w.groupSet { w.groupKeys = append(w.groupKeys, []byte(groupKey)) @@ -568,6 +596,9 @@ func (w *HashAggFinalWorker) getFinalResult(sctx sessionctx.Context) { } } w.outputCh <- &AfFinalResult{chk: result, giveBackCh: w.finalResultHolderCh} + if w.stats != nil { + w.stats.ExecTime += int64(time.Since(execStart)) + } } func (w *HashAggFinalWorker) receiveFinalResultHolder() (*chunk.Chunk, bool) { @@ -580,10 +611,14 @@ func (w *HashAggFinalWorker) receiveFinalResultHolder() (*chunk.Chunk, bool) { } func (w *HashAggFinalWorker) run(ctx sessionctx.Context, waitGroup *sync.WaitGroup) { + start := time.Now() defer func() { if r := recover(); r != nil { recoveryHashAgg(w.outputCh, r) } + if w.stats != nil { + w.stats.WorkerTime += int64(time.Since(start)) + } waitGroup.Done() }() if err := w.consumeIntermData(ctx); err != nil { @@ -663,17 +698,28 @@ func (e *HashAggExec) prepare4ParallelExec(ctx context.Context) { partialWorkerWaitGroup := &sync.WaitGroup{} partialWorkerWaitGroup.Add(len(e.partialWorkers)) + partialStart := time.Now() for i := range e.partialWorkers { go e.partialWorkers[i].run(e.ctx, partialWorkerWaitGroup, len(e.finalWorkers)) } - go e.waitPartialWorkerAndCloseOutputChs(partialWorkerWaitGroup) - + go func() { + e.waitPartialWorkerAndCloseOutputChs(partialWorkerWaitGroup) + if e.stats != nil { + atomic.AddInt64(&e.stats.PartialWallTime, int64(time.Since(partialStart))) + } + }() finalWorkerWaitGroup := &sync.WaitGroup{} finalWorkerWaitGroup.Add(len(e.finalWorkers)) + finalStart := time.Now() for i := range e.finalWorkers { go e.finalWorkers[i].run(e.ctx, finalWorkerWaitGroup) } - go e.waitFinalWorkerAndCloseFinalOutput(finalWorkerWaitGroup) + go func() { + e.waitFinalWorkerAndCloseFinalOutput(finalWorkerWaitGroup) + if e.stats != nil { + atomic.AddInt64(&e.stats.FinalWallTime, int64(time.Since(finalStart))) + } + }() } // HashAggExec employs one input reader, M partial workers and N final workers to execute parallelly. @@ -816,6 +862,118 @@ func (e *HashAggExec) getPartialResults(groupKey string) []aggfuncs.PartialResul return partialResults } +func (e *HashAggExec) initRuntimeStats() { + if e.runtimeStats != nil && e.stats == nil { + stats := &HashAggRuntimeStats{ + PartialConcurrency: e.ctx.GetSessionVars().HashAggPartialConcurrency(), + FinalConcurrency: e.ctx.GetSessionVars().HashAggFinalConcurrency(), + } + stats.PartialStats = make([]*AggWorkerStat, 0, stats.PartialConcurrency) + stats.FinalStats = make([]*AggWorkerStat, 0, stats.FinalConcurrency) + e.stats = stats + e.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.RegisterStats(e.id, e.stats) + } +} + +// HashAggRuntimeStats record the HashAggExec runtime stat +type HashAggRuntimeStats struct { + PartialConcurrency int + PartialWallTime int64 + FinalConcurrency int + FinalWallTime int64 + PartialStats []*AggWorkerStat + FinalStats []*AggWorkerStat +} + +// AggWorkerInfo contains the agg worker information. +type AggWorkerInfo struct { + Concurrency int + WallTime int64 +} + +// AggWorkerStat record the AggWorker runtime stat +type AggWorkerStat struct { + TaskNum int64 + WaitTime int64 + ExecTime int64 + WorkerTime int64 +} + +// Clone implements the RuntimeStats interface. +func (w *AggWorkerStat) Clone() *AggWorkerStat { + return &AggWorkerStat{ + TaskNum: w.TaskNum, + WaitTime: w.WaitTime, + ExecTime: w.ExecTime, + WorkerTime: w.WorkerTime, + } +} + +func (e *HashAggRuntimeStats) workerString(buf *bytes.Buffer, prefix string, concurrency int, wallTime int64, workerStats []*AggWorkerStat) { + var totalTime, totalWait, totalExec, totalTaskNum int64 + for _, w := range workerStats { + totalTime += w.WorkerTime + totalWait += w.WaitTime + totalExec += w.ExecTime + totalTaskNum += w.TaskNum + } + buf.WriteString(prefix) + buf.WriteString(fmt.Sprintf("_worker:{wall_time:%s, concurrency:%d, task_num:%d, tot_wait:%s, tot_exec:%s, tot_time:%s", + time.Duration(wallTime), concurrency, totalTaskNum, time.Duration(totalWait), time.Duration(totalExec), time.Duration(totalTime))) + n := len(workerStats) + if n > 0 { + sort.Slice(workerStats, func(i, j int) bool { return workerStats[i].WorkerTime < workerStats[j].WorkerTime }) + buf.WriteString(fmt.Sprintf(", max:%v, p95:%v", + time.Duration(workerStats[n-1].WorkerTime), time.Duration(workerStats[n*19/20].WorkerTime))) + } + buf.WriteString("}") +} + +// String implements the RuntimeStats interface. +func (e *HashAggRuntimeStats) String() string { + buf := bytes.NewBuffer(make([]byte, 0, 64)) + e.workerString(buf, "partial", e.PartialConcurrency, atomic.LoadInt64(&e.PartialWallTime), e.PartialStats) + buf.WriteString(", ") + e.workerString(buf, "final", e.FinalConcurrency, atomic.LoadInt64(&e.FinalWallTime), e.FinalStats) + return buf.String() +} + +// Clone implements the RuntimeStats interface. +func (e *HashAggRuntimeStats) Clone() execdetails.RuntimeStats { + newRs := &HashAggRuntimeStats{ + PartialConcurrency: e.PartialConcurrency, + PartialWallTime: atomic.LoadInt64(&e.PartialWallTime), + FinalConcurrency: e.FinalConcurrency, + FinalWallTime: atomic.LoadInt64(&e.FinalWallTime), + PartialStats: make([]*AggWorkerStat, 0, e.PartialConcurrency), + FinalStats: make([]*AggWorkerStat, 0, e.FinalConcurrency), + } + for _, s := range e.PartialStats { + newRs.PartialStats = append(newRs.PartialStats, s.Clone()) + } + for _, s := range e.FinalStats { + newRs.FinalStats = append(newRs.FinalStats, s.Clone()) + } + return newRs +} + +// Merge implements the RuntimeStats interface. +func (e *HashAggRuntimeStats) Merge(other execdetails.RuntimeStats) { + tmp, ok := other.(*HashAggRuntimeStats) + if !ok { + return + } + atomic.AddInt64(&e.PartialWallTime, atomic.LoadInt64(&tmp.PartialWallTime)) + atomic.AddInt64(&e.FinalWallTime, atomic.LoadInt64(&tmp.FinalWallTime)) + e.PartialStats = append(e.PartialStats, tmp.PartialStats...) + e.FinalStats = append(e.FinalStats, tmp.FinalStats...) +} + +// Tp implements the RuntimeStats interface. +func (e *HashAggRuntimeStats) Tp() int { + return execdetails.TpHashAggRuntimeStat +} + // StreamAggExec deals with all the aggregate functions. // It assumes all the input data is sorted by group by key. // When Next() is called, it will return a result for the same group. diff --git a/executor/aggregate_test.go b/executor/aggregate_test.go index ea90c8657b799..e72ec7b0a5ab0 100644 --- a/executor/aggregate_test.go +++ b/executor/aggregate_test.go @@ -18,10 +18,12 @@ import ( "math/rand" "sort" "strings" + "time" . "github.com/pingcap/check" "github.com/pingcap/errors" "github.com/pingcap/parser/terror" + "github.com/pingcap/tidb/executor" plannercore "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/util/testkit" "github.com/pingcap/tidb/util/testutil" @@ -1146,30 +1148,44 @@ func (s *testSuiteAgg) TestIssue17216(c *C) { tk.MustQuery("SELECT count(distinct col1) FROM t1").Check(testkit.Rows("48")) } -func (s *testSuiteAgg) TestIssue19426(c *C) { - tk := testkit.NewTestKitWithInit(c, s.store) - tk.MustExec("use test") - tk.MustExec("drop table if exists t") - tk.MustExec("create table t(a int primary key, b int)") - tk.MustExec("insert into t values (1, 11), (4, 44), (2, 22), (3, 33)") - tk.MustQuery("select sum(case when a <= 0 or a > 1000 then 0.0 else b end) from t"). - Check(testkit.Rows("110.0")) - tk.MustQuery("select avg(case when a <= 0 or a > 1000 then 0.0 else b end) from t"). - Check(testkit.Rows("27.50000")) - tk.MustQuery("select distinct (case when a <= 0 or a > 1000 then 0.0 else b end) v from t order by v"). - Check(testkit.Rows("11.0", "22.0", "33.0", "44.0")) - tk.MustQuery("select group_concat(case when a <= 0 or a > 1000 then 0.0 else b end order by -a) from t"). - Check(testkit.Rows("44.0,33.0,22.0,11.0")) - tk.MustQuery("select group_concat(a, b, case when a <= 0 or a > 1000 then 0.0 else b end order by -a) from t"). - Check(testkit.Rows("44444.0,33333.0,22222.0,11111.0")) - tk.MustQuery("select group_concat(distinct case when a <= 0 or a > 1000 then 0.0 else b end order by -a) from t"). - Check(testkit.Rows("44.0,33.0,22.0,11.0")) - tk.MustQuery("select max(case when a <= 0 or a > 1000 then 0.0 else b end) from t"). - Check(testkit.Rows("44.0")) - tk.MustQuery("select min(case when a <= 0 or a > 1000 then 0.0 else b end) from t"). - Check(testkit.Rows("11.0")) - tk.MustQuery("select a, b, sum(case when a < 1000 then b else 0.0 end) over (order by a) from t"). - Check(testkit.Rows("1 11 11.0", "2 22 33.0", "3 33 66.0", "4 44 110.0")) +func (s *testSuiteAgg) TestHashAggRuntimeStat(c *C) { + partialInfo := &executor.AggWorkerInfo{ + Concurrency: 5, + WallTime: int64(time.Second * 20), + } + finalInfo := &executor.AggWorkerInfo{ + Concurrency: 8, + WallTime: int64(time.Second * 10), + } + stats := &executor.HashAggRuntimeStats{ + PartialConcurrency: 5, + PartialWallTime: int64(time.Second * 20), + FinalConcurrency: 8, + FinalWallTime: int64(time.Second * 10), + } + for i := 0; i < partialInfo.Concurrency; i++ { + stats.PartialStats = append(stats.PartialStats, &executor.AggWorkerStat{ + TaskNum: 5, + WaitTime: int64(2 * time.Second), + ExecTime: int64(1 * time.Second), + WorkerTime: int64(i) * int64(time.Second), + }) + } + for i := 0; i < finalInfo.Concurrency; i++ { + stats.FinalStats = append(stats.FinalStats, &executor.AggWorkerStat{ + TaskNum: 5, + WaitTime: int64(2 * time.Millisecond), + ExecTime: int64(1 * time.Millisecond), + WorkerTime: int64(i) * int64(time.Millisecond), + }) + } + expect := "partial_worker:{wall_time:20s, concurrency:5, task_num:25, tot_wait:10s, tot_exec:5s, tot_time:10s, max:4s, p95:4s}, final_worker:{wall_time:10s, concurrency:8, task_num:40, tot_wait:16ms, tot_exec:8ms, tot_time:28ms, max:7ms, p95:7ms}" + c.Assert(stats.String(), Equals, expect) + c.Assert(stats.String(), Equals, expect) + c.Assert(stats.Clone().String(), Equals, expect) + stats.Merge(stats.Clone()) + expect = "partial_worker:{wall_time:40s, concurrency:5, task_num:50, tot_wait:20s, tot_exec:10s, tot_time:20s, max:4s, p95:4s}, final_worker:{wall_time:20s, concurrency:8, task_num:80, tot_wait:32ms, tot_exec:16ms, tot_time:56ms, max:7ms, p95:7ms}" + c.Assert(stats.String(), Equals, expect) } func reconstructParallelGroupConcatResult(rows [][]interface{}) []string { diff --git a/executor/executor_test.go b/executor/executor_test.go index 1f721e67802f8..bbdb6b2d35848 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6533,6 +6533,19 @@ func (s *testSerialSuite1) TestCollectCopRuntimeStats(c *C) { c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/tikvStoreRespResult"), IsNil) } +func (s *testSerialSuite1) TestHashAggRuntimeStats(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("drop table if exists t1") + tk.MustExec("create table t1 (a int, b int)") + tk.MustExec("insert into t1 values (1,2),(2,3),(3,4)") + sql := "explain analyze SELECT /*+ HASH_AGG() */ count(*) FROM t1 WHERE a < 10;" + rows := tk.MustQuery(sql).Rows() + c.Assert(len(rows), Equals, 5) + explain := fmt.Sprintf("%v", rows[0]) + c.Assert(explain, Matches, ".*time:.*loops:.*partial_worker:{wall_time:.*concurrency:.*task_num:.*tot_wait:.*tot_exec:.*tot_time:.*max:.*p95:.*}.*final_worker:{wall_time:.*concurrency:.*task_num:.*tot_wait:.*tot_exec:.*tot_time:.*max:.*p95:.*}.*") +} + func (s *testSerialSuite1) TestIndexMergeRuntimeStats(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") diff --git a/util/execdetails/execdetails.go b/util/execdetails/execdetails.go index 0cf37c3c66867..6f77c32a60496 100644 --- a/util/execdetails/execdetails.go +++ b/util/execdetails/execdetails.go @@ -495,6 +495,8 @@ const ( TpIndexLookUpRunTimeStats // TpSlowQueryRuntimeStat is the tp for TpSlowQueryRuntimeStat TpSlowQueryRuntimeStat + // TpHashAggRuntimeStat is the tp for HashAggRuntimeStat + TpHashAggRuntimeStat // TpIndexMergeRunTimeStats is the tp for TpIndexMergeRunTimeStats TpIndexMergeRunTimeStats ) From 4754cda0b3a0398d5379ee504cd349ada6202180 Mon Sep 17 00:00:00 2001 From: huang-b Date: Thu, 26 Nov 2020 10:46:19 +0800 Subject: [PATCH 0305/1021] executor,planner: fix resource leak of shuffle and optimize merge join by shuffle (#21255) --- executor/shuffle.go | 22 ++++++++++++---------- planner/core/plan.go | 44 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 56 insertions(+), 10 deletions(-) diff --git a/executor/shuffle.go b/executor/shuffle.go index bb611e6fa08dc..5262313814fb5 100644 --- a/executor/shuffle.go +++ b/executor/shuffle.go @@ -137,6 +137,7 @@ func (e *ShuffleExec) Open(ctx context.Context) error { // Close implements the Executor Close interface. func (e *ShuffleExec) Close() error { + var firstErr error if !e.prepared { for _, w := range e.workers { for _, r := range w.receivers { @@ -153,6 +154,10 @@ func (e *ShuffleExec) Close() error { for range r.inputCh { } } + // close child executor of each worker + if err := w.childExec.Close(); err != nil && firstErr == nil { + firstErr = err + } } for range e.outputCh { // workers exit before `e.outputCh` is closed. } @@ -165,19 +170,16 @@ func (e *ShuffleExec) Close() error { } // close dataSources - errArr := make([]error, len(e.dataSources)) - for i, dataSource := range e.dataSources { - errArr[i] = dataSource.Close() + for _, dataSource := range e.dataSources { + if err := dataSource.Close(); err != nil && firstErr == nil { + firstErr = err + } } // close baseExecutor - baseCloseErr := e.baseExecutor.Close() - // check close error - for _, err := range errArr { - if err != nil { - return errors.Trace(err) - } + if err := e.baseExecutor.Close(); err != nil && firstErr == nil { + firstErr = err } - return errors.Trace(baseCloseErr) + return errors.Trace(firstErr) } func (e *ShuffleExec) prepare4ParallelExec(ctx context.Context) { diff --git a/planner/core/plan.go b/planner/core/plan.go index 9f6643aad69ad..973aa468d8b1c 100644 --- a/planner/core/plan.go +++ b/planner/core/plan.go @@ -92,6 +92,10 @@ func optimizeByShuffle(pp PhysicalPlan, tsk task, ctx sessionctx.Context) task { if shuffle := optimizeByShuffle4Window(p, ctx); shuffle != nil { return shuffle.attach2Task(tsk) } + case *PhysicalMergeJoin: + if shuffle := optimizeByShuffle4MergeJoin(p, ctx); shuffle != nil { + return shuffle.attach2Task(tsk) + } case *PhysicalStreamAgg: if shuffle := optimizeByShuffle4StreamAgg(p, ctx); shuffle != nil { return shuffle.attach2Task(tsk) @@ -164,6 +168,46 @@ func optimizeByShuffle4StreamAgg(pp *PhysicalStreamAgg, ctx sessionctx.Context) return shuffle } +func optimizeByShuffle4MergeJoin(pp *PhysicalMergeJoin, ctx sessionctx.Context) *PhysicalShuffle { + // TODO: should be configured by a session variable + concurrency := 1 // disable by default + if concurrency <= 1 { + return nil + } + + children := pp.Children() + dataSources := make([]PhysicalPlan, len(children)) + tails := make([]PhysicalPlan, len(children)) + + for i := range children { + sort, ok := children[i].(*PhysicalSort) + if !ok { + // Multi-thread executing on SORTED data source is not effective enough by current implementation. + // TODO: Implement a better one. + return nil + } + tails[i], dataSources[i] = sort, sort.Children()[0] + } + + leftByItemArray := make([]expression.Expression, 0, len(pp.LeftJoinKeys)) + for _, col := range pp.LeftJoinKeys { + leftByItemArray = append(leftByItemArray, col.Clone()) + } + rightByItemArray := make([]expression.Expression, 0, len(pp.RightJoinKeys)) + for _, col := range pp.RightJoinKeys { + rightByItemArray = append(rightByItemArray, col.Clone()) + } + reqProp := &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64} + shuffle := PhysicalShuffle{ + Concurrency: concurrency, + Tails: tails, + DataSources: dataSources, + SplitterType: PartitionHashSplitterType, + ByItemArrays: [][]expression.Expression{leftByItemArray, rightByItemArray}, + }.Init(ctx, pp.statsInfo(), pp.SelectBlockOffset(), reqProp) + return shuffle +} + // LogicalPlan is a tree of logical operators. // We can do a lot of logical optimizations to it, like predicate pushdown and column pruning. type LogicalPlan interface { From 2f79d6c31c04d7e02fdba4bfccafa4c4d6250ea6 Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Thu, 26 Nov 2020 13:27:13 +0800 Subject: [PATCH 0306/1021] ddl: refactor build definition logic in create table and alter table (#21115) --- ddl/db_partition_test.go | 2 +- ddl/ddl_api.go | 176 ++++++++------------------------------- ddl/partition.go | 153 ++++++++++++++++++++-------------- 3 files changed, 129 insertions(+), 202 deletions(-) diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index 344cc06004c1d..8611c01372375 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -701,7 +701,7 @@ func (s *testIntegrationSuite1) TestCreateTableWithListColumnsPartition(c *C) { }, { "create table t (a int, b varchar(10)) partition by list columns (a,b) (partition p0 values in (('ab','ab')));", - ddl.ErrNotAllowedTypeInPartition, + ddl.ErrWrongTypeColumnValue, }, { "create table t (a int, b datetime) partition by list columns (a,b) (partition p0 values in ((1)));", diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index eb7c4a49b023e..3e1b3765fc073 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -18,7 +18,6 @@ package ddl import ( - "bytes" "encoding/hex" "encoding/json" "fmt" @@ -1524,26 +1523,29 @@ func checkTableInfoValidWithStmt(ctx sessionctx.Context, tbInfo *model.TableInfo return errors.Trace(err) } if s.Partition != nil { - err := checkPartitionExprValid(ctx, tbInfo, s.Partition.Expr) - if err != nil { + if err := checkPartitionFuncValid(ctx, tbInfo, s.Partition.Expr); err != nil { return errors.Trace(err) } + var err error pi := tbInfo.Partition if pi != nil { switch pi.Type { case model.PartitionTypeRange: - err = checkPartitionByRange(ctx, tbInfo, s) + err = checkPartitionByRange(ctx, tbInfo) case model.PartitionTypeHash: - err = checkPartitionByHash(ctx, tbInfo, s) + err = checkPartitionByHash(ctx, tbInfo) case model.PartitionTypeList: - err = checkPartitionByList(ctx, tbInfo, s) + err = checkPartitionByList(ctx, tbInfo) } if err != nil { return errors.Trace(err) } } + if err := checkPartitionFuncType(ctx, s, tbInfo); err != nil { + return errors.Trace(err) + } if err = checkPartitioningKeysConstraints(ctx, s, tbInfo); err != nil { return errors.Trace(err) } @@ -1655,7 +1657,7 @@ func buildTableInfoWithStmt(ctx sessionctx.Context, s *ast.CreateTableStmt, dbCh return nil, errors.Trace(err) } - tbInfo.Partition, err = buildTablePartitionInfo(ctx, s) + err = buildTablePartitionInfo(ctx, s.Partition, tbInfo) if err != nil { return nil, errors.Trace(err) } @@ -1675,17 +1677,13 @@ func (d *ddl) assignTableID(tbInfo *model.TableInfo) error { return nil } -func (d *ddl) assignPartitionIDs(tbInfo *model.TableInfo) error { - if tbInfo.Partition == nil { - return nil - } - partitionDefs := tbInfo.Partition.Definitions - genIDs, err := d.genGlobalIDs(len(partitionDefs)) +func (d *ddl) assignPartitionIDs(defs []model.PartitionDefinition) error { + genIDs, err := d.genGlobalIDs(len(defs)) if err != nil { return errors.Trace(err) } - for i := range partitionDefs { - partitionDefs[i].ID = genIDs[i] + for i := range defs { + defs[i].ID = genIDs[i] } return nil } @@ -1774,8 +1772,11 @@ func (d *ddl) CreateTableWithInfo( if err := d.assignTableID(tbInfo); err != nil { return errors.Trace(err) } - if err := d.assignPartitionIDs(tbInfo); err != nil { - return errors.Trace(err) + + if tbInfo.Partition != nil { + if err := d.assignPartitionIDs(tbInfo.Partition.Definitions); err != nil { + return errors.Trace(err) + } } if err := checkTableInfoValidExtra(tbInfo); err != nil { @@ -1942,7 +1943,7 @@ func buildViewInfo(ctx sessionctx.Context, s *ast.CreateViewStmt) (*model.ViewIn Security: s.Security, SelectStmt: sb.String(), CheckOption: s.CheckOption, Cols: nil}, nil } -func checkPartitionByHash(ctx sessionctx.Context, tbInfo *model.TableInfo, s *ast.CreateTableStmt) error { +func checkPartitionByHash(ctx sessionctx.Context, tbInfo *model.TableInfo) error { pi := tbInfo.Partition if err := checkPartitionNameUnique(pi); err != nil { return err @@ -1950,17 +1951,12 @@ func checkPartitionByHash(ctx sessionctx.Context, tbInfo *model.TableInfo, s *as if err := checkAddPartitionTooManyPartitions(pi.Num); err != nil { return err } - if err := checkNoHashPartitions(ctx, pi.Num); err != nil { - return err - } - if err := checkPartitionFuncValid(ctx, tbInfo, s.Partition.Expr); err != nil { - return err - } - return checkPartitionFuncType(ctx, s, tbInfo) + + return checkNoHashPartitions(ctx, pi.Num) } // checkPartitionByRange checks validity of a "BY RANGE" partition. -func checkPartitionByRange(ctx sessionctx.Context, tbInfo *model.TableInfo, s *ast.CreateTableStmt) error { +func checkPartitionByRange(ctx sessionctx.Context, tbInfo *model.TableInfo) error { failpoint.Inject("CheckPartitionByRangeErr", func() { panic("Out Of Memory Quota!") }) @@ -1978,19 +1974,7 @@ func checkPartitionByRange(ctx sessionctx.Context, tbInfo *model.TableInfo, s *a } if len(pi.Columns) == 0 { - if err := checkCreatePartitionValue(ctx, tbInfo); err != nil { - return err - } - - // s maybe nil when add partition. - if s == nil { - return nil - } - - if err := checkPartitionFuncValid(ctx, tbInfo, s.Partition.Expr); err != nil { - return err - } - return checkPartitionFuncType(ctx, s, tbInfo) + return checkRangePartitionValue(ctx, tbInfo) } // Check for range columns partition. @@ -1998,20 +1982,11 @@ func checkPartitionByRange(ctx sessionctx.Context, tbInfo *model.TableInfo, s *a return err } - if s != nil { - for _, def := range s.Partition.Definitions { - exprs := def.Clause.(*ast.PartitionDefinitionClauseLessThan).Exprs - if err := checkColumnsTypeAndValuesMatch(ctx, tbInfo, exprs); err != nil { - return err - } - } - } - return checkRangeColumnsPartitionValue(ctx, tbInfo) } // checkPartitionByList checks validity of a "BY LIST" partition. -func checkPartitionByList(ctx sessionctx.Context, tbInfo *model.TableInfo, s *ast.CreateTableStmt) error { +func checkPartitionByList(ctx sessionctx.Context, tbInfo *model.TableInfo) error { pi := tbInfo.Partition if err := checkPartitionNameUnique(pi); err != nil { return err @@ -2025,30 +2000,12 @@ func checkPartitionByList(ctx sessionctx.Context, tbInfo *model.TableInfo, s *as return err } - // s maybe nil when add partition. - if s == nil { - return nil - } - if len(pi.Columns) == 0 { - if err := checkPartitionFuncValid(ctx, tbInfo, s.Partition.Expr); err != nil { + if len(pi.Columns) != 0 { + if err := checkColumnsPartitionType(tbInfo); err != nil { return err } - return checkPartitionFuncType(ctx, s, tbInfo) - } - if err := checkColumnsPartitionType(tbInfo); err != nil { - return err } - if len(pi.Columns) > 0 { - for _, def := range s.Partition.Definitions { - inValues := def.Clause.(*ast.PartitionDefinitionClauseIn).Values - for _, vs := range inValues { - if err := checkColumnsTypeAndValuesMatch(ctx, tbInfo, vs); err != nil { - return err - } - } - } - } return nil } @@ -2899,10 +2856,13 @@ func (d *ddl) AddTablePartitions(ctx sessionctx.Context, ident ast.Ident, spec * return errors.Trace(ErrPartitionMgmtOnNonpartitioned) } - partInfo, err := buildPartitionInfo(ctx, meta, d, spec) + partInfo, err := buildAddedPartitionInfo(ctx, meta, spec) if err != nil { return errors.Trace(err) } + if err := d.assignPartitionIDs(partInfo.Definitions); err != nil { + return errors.Trace(err) + } // partInfo contains only the new added partition, we have to combine it with the // old partitions to check all partitions is strictly increasing. @@ -2912,9 +2872,9 @@ func (d *ddl) AddTablePartitions(ctx sessionctx.Context, ident ast.Ident, spec * clonedMeta.Partition = &tmp switch pi.Type { case model.PartitionTypeRange: - err = checkPartitionByRange(ctx, clonedMeta, nil) + err = checkPartitionByRange(ctx, clonedMeta) case model.PartitionTypeList: - err = checkPartitionByList(ctx, clonedMeta, nil) + err = checkPartitionByList(ctx, clonedMeta) } if err != nil { if ErrSameNamePartition.Equal(err) && spec.IfNotExists { @@ -5204,7 +5164,8 @@ func validateCommentLength(vars *variable.SessionVars, indexName string, indexOp return indexOption.Comment, nil } -func buildPartitionInfo(ctx sessionctx.Context, meta *model.TableInfo, d *ddl, spec *ast.AlterTableSpec) (*model.PartitionInfo, error) { +// buildAddedPartitionInfo build alter table add partition info +func buildAddedPartitionInfo(ctx sessionctx.Context, meta *model.TableInfo, spec *ast.AlterTableSpec) (*model.PartitionInfo, error) { switch meta.Partition.Type { case model.PartitionTypeRange, model.PartitionTypeList: if len(spec.PartDefinitions) == 0 { @@ -5222,80 +5183,15 @@ func buildPartitionInfo(ctx sessionctx.Context, meta *model.TableInfo, d *ddl, s Enable: meta.Partition.Enable, } - genIDs, err := d.genGlobalIDs(len(spec.PartDefinitions)) + defs, err := buildPartitionDefinitionsInfo(ctx, spec.PartDefinitions, meta) if err != nil { return nil, err } - for ith, def := range spec.PartDefinitions { - if err := def.Clause.Validate(part.Type, len(part.Columns)); err != nil { - return nil, errors.Trace(err) - } - if err := checkTooLongTable(def.Name); err != nil { - return nil, err - } - comment, _ := def.Comment() - piDef := model.PartitionDefinition{ - Name: def.Name, - ID: genIDs[ith], - Comment: comment, - } - - switch meta.Partition.Type { - case model.PartitionTypeRange: - err = buildRangePartitionInfo(ctx, meta, part, def, &piDef) - case model.PartitionTypeList: - err = buildListPartitionInfo(ctx, meta, part, def, &piDef) - } - if err != nil { - return nil, err - } - part.Definitions = append(part.Definitions, piDef) - } + part.Definitions = defs return part, nil } -func buildRangePartitionInfo(ctx sessionctx.Context, meta *model.TableInfo, part *model.PartitionInfo, def *ast.PartitionDefinition, piDef *model.PartitionDefinition) error { - // For RANGE partition only VALUES LESS THAN should be possible. - clause := def.Clause.(*ast.PartitionDefinitionClauseLessThan) - if len(part.Columns) > 0 { - if err := checkColumnsTypeAndValuesMatch(ctx, meta, clause.Exprs); err != nil { - return err - } - } - buf := new(bytes.Buffer) - for _, expr := range clause.Exprs { - expr.Format(buf) - piDef.LessThan = append(piDef.LessThan, buf.String()) - buf.Reset() - } - return nil -} - -func buildListPartitionInfo(ctx sessionctx.Context, meta *model.TableInfo, part *model.PartitionInfo, def *ast.PartitionDefinition, piDef *model.PartitionDefinition) error { - // For List partition only VALUES IN should be possible. - clause := def.Clause.(*ast.PartitionDefinitionClauseIn) - if len(part.Columns) > 0 { - for _, vs := range clause.Values { - if err := checkColumnsTypeAndValuesMatch(ctx, meta, vs); err != nil { - return err - } - } - } - buf := new(bytes.Buffer) - for _, vs := range clause.Values { - inValue := make([]string, 0, len(vs)) - for i := range vs { - buf.Reset() - vs[i].Format(buf) - inValue = append(inValue, buf.String()) - } - piDef.InValues = append(piDef.InValues, inValue) - buf.Reset() - } - return nil -} - func checkColumnsTypeAndValuesMatch(ctx sessionctx.Context, meta *model.TableInfo, exprs []ast.ExprNode) error { // Validate() has already checked len(colNames) = len(exprs) // create table ... partition by range columns (cols) diff --git a/ddl/partition.go b/ddl/partition.go index 2516c007c955b..26c2864d5eec2 100644 --- a/ddl/partition.go +++ b/ddl/partition.go @@ -274,106 +274,124 @@ func storeHasEngineTiFlashLabel(store *metapb.Store) bool { } // buildTablePartitionInfo builds partition info and checks for some errors. -func buildTablePartitionInfo(ctx sessionctx.Context, s *ast.CreateTableStmt) (*model.PartitionInfo, error) { - if s.Partition == nil { - return nil, nil +func buildTablePartitionInfo(ctx sessionctx.Context, s *ast.PartitionOptions, tbInfo *model.TableInfo) error { + if s == nil { + return nil } if strings.EqualFold(ctx.GetSessionVars().EnableTablePartition, "OFF") { ctx.GetSessionVars().StmtCtx.AppendWarning(errTablePartitionDisabled) - return nil, nil + return nil } var enable bool // When tidb_enable_table_partition is 'on' or 'auto'. - if s.Partition.Tp == model.PartitionTypeRange { - if s.Partition.Sub == nil { + if s.Tp == model.PartitionTypeRange { + if s.Sub == nil { // Partition by range expression is enabled by default. - if s.Partition.ColumnNames == nil { + if s.ColumnNames == nil { enable = true } // Partition by range columns and just one column. - if len(s.Partition.ColumnNames) == 1 { + if len(s.ColumnNames) == 1 { enable = true } } } // Partition by hash is enabled by default. // Note that linear hash is not enabled. - if s.Partition.Tp == model.PartitionTypeHash { - if !s.Partition.Linear && s.Partition.Sub == nil { + if s.Tp == model.PartitionTypeHash { + if !s.Linear && s.Sub == nil { enable = true } } - if s.Partition.Tp == model.PartitionTypeList { + if s.Tp == model.PartitionTypeList { enable = true } if !enable { ctx.GetSessionVars().StmtCtx.AppendWarning(errUnsupportedCreatePartition) - return nil, nil + return nil } pi := &model.PartitionInfo{ - Type: s.Partition.Tp, + Type: s.Tp, Enable: enable, - Num: s.Partition.Num, + Num: s.Num, } - if s.Partition.Expr != nil { + if s.Expr != nil { buf := new(bytes.Buffer) restoreCtx := format.NewRestoreCtx(format.DefaultRestoreFlags, buf) - if err := s.Partition.Expr.Restore(restoreCtx); err != nil { - return nil, err + if err := s.Expr.Restore(restoreCtx); err != nil { + return err } pi.Expr = buf.String() - } else if s.Partition.ColumnNames != nil { - pi.Columns = make([]model.CIStr, 0, len(s.Partition.ColumnNames)) - for _, cn := range s.Partition.ColumnNames { + } else if s.ColumnNames != nil { + pi.Columns = make([]model.CIStr, 0, len(s.ColumnNames)) + for _, cn := range s.ColumnNames { pi.Columns = append(pi.Columns, cn.Name) } } - if s.Partition.Tp == model.PartitionTypeRange { - if err := buildRangePartitionDefinitions(ctx, s, pi); err != nil { - return nil, errors.Trace(err) - } - } else if s.Partition.Tp == model.PartitionTypeHash { - if err := buildHashPartitionDefinitions(ctx, s, pi); err != nil { - return nil, errors.Trace(err) - } - } else if s.Partition.Tp == model.PartitionTypeList { - if err := buildListPartitionDefinitions(s, pi); err != nil { - return nil, errors.Trace(err) - } + tbInfo.Partition = pi + defs, err := buildPartitionDefinitionsInfo(ctx, s.Definitions, tbInfo) + if err != nil { + return errors.Trace(err) } - return pi, nil + + tbInfo.Partition.Definitions = defs + return nil } -func buildHashPartitionDefinitions(ctx sessionctx.Context, s *ast.CreateTableStmt, pi *model.PartitionInfo) error { - if err := checkAddPartitionTooManyPartitions(pi.Num); err != nil { - return err +// buildPartitionDefinitionsInfo build partition definitions info without assign partition id. tbInfo will be constant +func buildPartitionDefinitionsInfo(ctx sessionctx.Context, defs []*ast.PartitionDefinition, tbInfo *model.TableInfo) ([]model.PartitionDefinition, error) { + switch tbInfo.Partition.Type { + case model.PartitionTypeRange: + return buildRangePartitionDefinitions(ctx, defs, tbInfo) + case model.PartitionTypeHash: + return buildHashPartitionDefinitions(ctx, defs, tbInfo) + case model.PartitionTypeList: + return buildListPartitionDefinitions(ctx, defs, tbInfo) } + return nil, nil +} - defs := make([]model.PartitionDefinition, pi.Num) - for i := 0; i < len(defs); i++ { - if len(s.Partition.Definitions) == 0 { - defs[i].Name = model.NewCIStr(fmt.Sprintf("p%v", i)) +func buildHashPartitionDefinitions(_ sessionctx.Context, defs []*ast.PartitionDefinition, tbInfo *model.TableInfo) ([]model.PartitionDefinition, error) { + if err := checkAddPartitionTooManyPartitions(tbInfo.Partition.Num); err != nil { + return nil, err + } + + definitions := make([]model.PartitionDefinition, tbInfo.Partition.Num) + for i := 0; i < len(definitions); i++ { + if len(defs) == 0 { + definitions[i].Name = model.NewCIStr(fmt.Sprintf("p%v", i)) } else { - def := s.Partition.Definitions[i] - defs[i].Name = def.Name - defs[i].Comment, _ = def.Comment() + def := defs[i] + definitions[i].Name = def.Name + definitions[i].Comment, _ = def.Comment() } } - pi.Definitions = defs - return nil + return definitions, nil } -func buildListPartitionDefinitions(s *ast.CreateTableStmt, pi *model.PartitionInfo) (err error) { - for _, def := range s.Partition.Definitions { +func buildListPartitionDefinitions(ctx sessionctx.Context, defs []*ast.PartitionDefinition, tbInfo *model.TableInfo) ([]model.PartitionDefinition, error) { + definitions := make([]model.PartitionDefinition, 0, len(defs)) + for _, def := range defs { + if err := def.Clause.Validate(model.PartitionTypeList, len(tbInfo.Partition.Columns)); err != nil { + return nil, err + } + clause := def.Clause.(*ast.PartitionDefinitionClauseIn) + if len(tbInfo.Partition.Columns) > 0 { + for _, vs := range clause.Values { + if err := checkColumnsTypeAndValuesMatch(ctx, tbInfo, vs); err != nil { + return nil, err + } + } + } comment, _ := def.Comment() - err = checkTooLongTable(def.Name) + err := checkTooLongTable(def.Name) if err != nil { - return err + return nil, err } piDef := model.PartitionDefinition{ Name: def.Name, @@ -381,7 +399,7 @@ func buildListPartitionDefinitions(s *ast.CreateTableStmt, pi *model.PartitionIn } buf := new(bytes.Buffer) - for _, vs := range def.Clause.(*ast.PartitionDefinitionClauseIn).Values { + for _, vs := range clause.Values { inValue := make([]string, 0, len(vs)) for i := range vs { buf.Reset() @@ -391,17 +409,27 @@ func buildListPartitionDefinitions(s *ast.CreateTableStmt, pi *model.PartitionIn piDef.InValues = append(piDef.InValues, inValue) buf.Reset() } - pi.Definitions = append(pi.Definitions, piDef) + definitions = append(definitions, piDef) } - return nil + return definitions, nil } -func buildRangePartitionDefinitions(ctx sessionctx.Context, s *ast.CreateTableStmt, pi *model.PartitionInfo) (err error) { - for _, def := range s.Partition.Definitions { +func buildRangePartitionDefinitions(ctx sessionctx.Context, defs []*ast.PartitionDefinition, tbInfo *model.TableInfo) ([]model.PartitionDefinition, error) { + definitions := make([]model.PartitionDefinition, 0, len(defs)) + for _, def := range defs { + if err := def.Clause.Validate(model.PartitionTypeRange, len(tbInfo.Partition.Columns)); err != nil { + return nil, err + } + clause := def.Clause.(*ast.PartitionDefinitionClauseLessThan) + if len(tbInfo.Partition.Columns) > 0 { + if err := checkColumnsTypeAndValuesMatch(ctx, tbInfo, clause.Exprs); err != nil { + return nil, err + } + } comment, _ := def.Comment() - err = checkTooLongTable(def.Name) + err := checkTooLongTable(def.Name) if err != nil { - return err + return nil, err } piDef := model.PartitionDefinition{ Name: def.Name, @@ -410,14 +438,14 @@ func buildRangePartitionDefinitions(ctx sessionctx.Context, s *ast.CreateTableSt buf := new(bytes.Buffer) // Range columns partitions support multi-column partitions. - for _, expr := range def.Clause.(*ast.PartitionDefinitionClauseLessThan).Exprs { + for _, expr := range clause.Exprs { expr.Format(buf) piDef.LessThan = append(piDef.LessThan, buf.String()) buf.Reset() } - pi.Definitions = append(pi.Definitions, piDef) + definitions = append(definitions, piDef) } - return nil + return definitions, nil } func checkPartitionNameUnique(pi *model.PartitionInfo) error { @@ -663,6 +691,9 @@ func checkPartitionExprValid(ctx sessionctx.Context, tblInfo *model.TableInfo, e // checkPartitionFuncValid checks partition function validly. func checkPartitionFuncValid(ctx sessionctx.Context, tblInfo *model.TableInfo, expr ast.ExprNode) error { + if expr == nil { + return nil + } err := checkPartitionExprValid(ctx, tblInfo, expr) if err != nil { return err @@ -748,9 +779,9 @@ func checkPartitionFuncType(ctx sessionctx.Context, s *ast.CreateTableStmt, tblI return ErrPartitionFuncNotAllowed.GenWithStackByArgs("PARTITION") } -// checkCreatePartitionValue checks whether `less than value` is strictly increasing for each partition. +// checkRangePartitionValue checks whether `less than value` is strictly increasing for each partition. // Side effect: it may simplify the partition range definition from a constant expression to an integer. -func checkCreatePartitionValue(ctx sessionctx.Context, tblInfo *model.TableInfo) error { +func checkRangePartitionValue(ctx sessionctx.Context, tblInfo *model.TableInfo) error { pi := tblInfo.Partition defs := pi.Definitions if len(defs) == 0 { From f7f48e3586b339a582833191e9df902e1d11c4ff Mon Sep 17 00:00:00 2001 From: Ryan Leung Date: Thu, 26 Nov 2020 13:43:22 +0800 Subject: [PATCH 0307/1021] infosync: omit the 404 error when /config/placement-rule is not existed (#21247) Signed-off-by: Ryan Leung --- domain/domain.go | 7 ------- domain/domain_test.go | 4 ++-- domain/infosync/info.go | 9 +++++++-- 3 files changed, 9 insertions(+), 11 deletions(-) diff --git a/domain/domain.go b/domain/domain.go index 419e3fc44096a..d944d26021366 100644 --- a/domain/domain.go +++ b/domain/domain.go @@ -34,7 +34,6 @@ import ( "github.com/pingcap/tidb/bindinfo" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/ddl" - "github.com/pingcap/tidb/ddl/placement" ddlutil "github.com/pingcap/tidb/ddl/util" "github.com/pingcap/tidb/domain/infosync" "github.com/pingcap/tidb/errno" @@ -150,12 +149,6 @@ func (do *Domain) loadInfoSchema(handle *infoschema.Handle, usedSchemaVersion in } bundles, err := infosync.GetAllRuleBundles(nil) - failpoint.Inject("FailPlacement", func(val failpoint.Value) { - if val.(bool) { - bundles = []*placement.Bundle{} - err = nil - } - }) if err != nil { return 0, nil, fullLoad, err } diff --git a/domain/domain_test.go b/domain/domain_test.go index 4c0a23611ad6a..17c9e81d31624 100644 --- a/domain/domain_test.go +++ b/domain/domain_test.go @@ -89,7 +89,7 @@ func unixSocketAvailable() bool { } func TestInfo(t *testing.T) { - err := failpoint.Enable("github.com/pingcap/tidb/domain/FailPlacement", `return(true)`) + err := failpoint.Enable("github.com/pingcap/tidb/domain/infosync/FailPlacement", `return(true)`) if err != nil { t.Fatal(err) } @@ -230,7 +230,7 @@ func TestInfo(t *testing.T) { t.Fatalf("dom.refreshServerIDTTL err %v", err) } - err = failpoint.Disable("github.com/pingcap/tidb/domain/FailPlacement") + err = failpoint.Disable("github.com/pingcap/tidb/domain/infosync/FailPlacement") if err != nil { t.Fatal(err) } diff --git a/domain/infosync/info.go b/domain/infosync/info.go index 0d72abc5817f1..1d3ade702db6a 100644 --- a/domain/infosync/info.go +++ b/domain/infosync/info.go @@ -330,6 +330,12 @@ func doRequest(ctx context.Context, addrs []string, route, method string, body i } res, err = util2.InternalHTTPClient().Do(req) + failpoint.Inject("FailPlacement", func(val failpoint.Value) { + if val.(bool) { + res = &http.Response{StatusCode: http.StatusNotFound, Body: http.NoBody} + err = nil + } + }) if err == nil { bodyBytes, err := ioutil.ReadAll(res.Body) if err != nil { @@ -337,8 +343,7 @@ func doRequest(ctx context.Context, addrs []string, route, method string, body i } if res.StatusCode != http.StatusOK { err = errors.Errorf("%s", bodyBytes) - // ignore if placement rules feature is not enabled - if strings.HasPrefix(err.Error(), `"placement rules feature is disabled"`) { + if res.StatusCode == http.StatusNotFound || res.StatusCode == http.StatusPreconditionFailed { err = nil bodyBytes = nil } From 4af99998d5d79408dc147ec50d17273f394666af Mon Sep 17 00:00:00 2001 From: Song Gao Date: Thu, 26 Nov 2020 13:56:51 +0800 Subject: [PATCH 0308/1021] store, executor: Add rateLimitAction Ticase (#20901) --- executor/executor_test.go | 71 +++++++++++++++++++++++++++++++++++++++ store/tikv/coprocessor.go | 25 ++++++++++++-- 2 files changed, 94 insertions(+), 2 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index bbdb6b2d35848..b09bdccaafc06 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6727,6 +6727,77 @@ func (s *testCoprCache) TestIntegrationCopCache(c *C) { c.Assert(hitRatio > 0, Equals, true) } +func (s *testSerialSuite) TestCoprocessorOOMTicase(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec(`set @@tidb_wait_split_region_finish=1`) + // create table for non keep-order case + tk.MustExec("drop table if exists t5") + tk.MustExec("create table t5(id int)") + tk.MustQuery(`split table t5 between (0) and (10000) regions 10`).Check(testkit.Rows("9 1")) + // create table for keep-order case + tk.MustExec("drop table if exists t6") + tk.MustExec("create table t6(id int, index(id))") + tk.MustQuery(`split table t6 between (0) and (10000) regions 10`).Check(testkit.Rows("10 1")) + tk.MustQuery("split table t6 INDEX id between (0) and (10000) regions 10;").Check(testkit.Rows("10 1")) + count := 10 + for i := 0; i < count; i++ { + tk.MustExec(fmt.Sprintf("insert into t5 (id) values (%v)", i)) + tk.MustExec(fmt.Sprintf("insert into t6 (id) values (%v)", i)) + } + defer config.RestoreFunc()() + config.UpdateGlobal(func(conf *config.Config) { + conf.OOMAction = config.OOMActionLog + }) + testcases := []struct { + name string + sql string + }{ + { + name: "keep Order", + sql: "select id from t6 order by id", + }, + { + name: "non keep Order", + sql: "select id from t5", + }, + } + + f := func() { + for _, testcase := range testcases { + c.Log(testcase.name) + // larger than one copResponse, smaller than 2 copResponse + quota := 2*tikv.MockResponseSizeForTest - 100 + se, err := session.CreateSession4Test(s.store) + c.Check(err, IsNil) + tk.Se = se + tk.MustExec("use test") + tk.MustExec(fmt.Sprintf("set @@tidb_mem_quota_query=%v;", quota)) + var expect []string + for i := 0; i < count; i++ { + expect = append(expect, fmt.Sprintf("%v", i)) + } + tk.MustQuery(testcase.sql).Sort().Check(testkit.Rows(expect...)) + // assert oom action worked by max consumed > memory quota + c.Assert(tk.Se.GetSessionVars().StmtCtx.MemTracker.MaxConsumed(), Greater, int64(quota)) + se.Close() + } + } + + // ticase-4169, trigger oom action twice after workers consuming all the data + failpoint.Enable("github.com/pingcap/tidb/store/tikv/ticase-4169", `return(true)`) + f() + failpoint.Disable("github.com/pingcap/tidb/store/tikv/ticase-4169") + // ticase-4170, trigger oom action twice after iterator receiving all the data. + failpoint.Enable("github.com/pingcap/tidb/store/tikv/ticase-4170", `return(true)`) + f() + failpoint.Disable("github.com/pingcap/tidb/store/tikv/ticase-4170") + // ticase-4171, trigger oom before reading or consuming any data + failpoint.Enable("github.com/pingcap/tidb/store/tikv/ticase-4171", `return(true)`) + f() + failpoint.Disable("github.com/pingcap/tidb/store/tikv/ticase-4171") +} + func (s *testSuite) TestIssue20237(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go index c0e4603e39c67..c828d9038c3bb 100644 --- a/store/tikv/coprocessor.go +++ b/store/tikv/coprocessor.go @@ -526,6 +526,12 @@ func init() { // send the result back. func (worker *copIteratorWorker) run(ctx context.Context) { defer func() { + failpoint.Inject("ticase-4169", func(val failpoint.Value) { + if val.(bool) { + worker.memTracker.Consume(10 * MockResponseSizeForTest) + worker.memTracker.Consume(10 * MockResponseSizeForTest) + } + }) worker.wg.Done() }() for task := range worker.taskCh { @@ -585,8 +591,13 @@ func (it *copIterator) open(ctx context.Context, enabledRateLimitAction bool) { sendRate: it.sendRate, } taskSender.respChan = it.respChan - // enabledRateLimit decides whether enabled ratelimit action it.actionOnExceed.setEnabled(enabledRateLimitAction) + failpoint.Inject("ticase-4171", func(val failpoint.Value) { + if val.(bool) { + it.memTracker.Consume(10 * MockResponseSizeForTest) + it.memTracker.Consume(10 * MockResponseSizeForTest) + } + }) go taskSender.run() } @@ -694,6 +705,16 @@ func (it *copIterator) Next(ctx context.Context) (kv.ResultSubset, error) { ok bool closed bool ) + defer func() { + if resp == nil { + failpoint.Inject("ticase-4170", func(val failpoint.Value) { + if val.(bool) { + it.memTracker.Consume(10 * MockResponseSizeForTest) + it.memTracker.Consume(10 * MockResponseSizeForTest) + } + }) + } + }() // wait unit at least 5 copResponse received. failpoint.Inject("testRateLimitActionMockWaitMax", func(val failpoint.Value) { if val.(bool) { @@ -1361,7 +1382,7 @@ func (e *rateLimitAction) Action(t *memory.Tracker) { e.cond.once.Do(func() { if e.cond.remainingTokenNum < 2 { e.setEnabled(false) - logutil.BgLogger().Info("memory exceed quota, rateLimitAction delegate to fallback action", + logutil.BgLogger().Info("memory exceeds quota, rateLimitAction delegate to fallback action", zap.Uint("total token count", e.totalTokenNum)) if fallback := e.GetFallback(); fallback != nil { fallback.Action(t) From ab9ddcce4a890b6c6a115fcc78ac605f63ab85c0 Mon Sep 17 00:00:00 2001 From: crazycs Date: Thu, 26 Nov 2020 14:19:17 +0800 Subject: [PATCH 0309/1021] executor: fix issue of explain for connection can't show the last query plan (#21242) --- server/server_test.go | 22 ++++++++++++++++++++++ server/tidb_test.go | 4 ++++ session/session.go | 10 ++++++++++ 3 files changed, 36 insertions(+) diff --git a/server/server_test.go b/server/server_test.go index e3a96f77c35d4..d49588dbde200 100644 --- a/server/server_test.go +++ b/server/server_test.go @@ -1058,6 +1058,28 @@ func (cli *testServerClient) runTestConcurrentUpdate(c *C) { }) } +func (cli *testServerClient) runTestExplainForConn(c *C) { + cli.runTestsOnNewDB(c, nil, "explain_for_conn", func(dbt *DBTest) { + dbt.mustExec("drop table if exists t") + dbt.mustExec("create table t (a int key, b int)") + dbt.mustExec("insert t values (1, 1)") + rows := dbt.mustQuery("select connection_id();") + c.Assert(rows.Next(), IsTrue) + var connID int64 + err := rows.Scan(&connID) + c.Assert(err, IsNil) + c.Assert(rows.Close(), IsNil) + dbt.mustQuery("select * from t where a=1") + rows = dbt.mustQuery("explain for connection " + strconv.Itoa(int(connID))) + c.Assert(rows.Next(), IsTrue) + row := make([]string, 9) + err = rows.Scan(&row[0], &row[1], &row[2], &row[3], &row[4], &row[5], &row[6], &row[7], &row[8]) + c.Assert(err, IsNil) + c.Assert(strings.Join(row, ","), Matches, "Point_Get_1,1.00,1,root,table:t,time.*loop.*handle:1.*") + c.Assert(rows.Close(), IsNil) + }) +} + func (cli *testServerClient) runTestErrorCode(c *C) { cli.runTestsOnNewDB(c, nil, "ErrorCode", func(dbt *DBTest) { dbt.mustExec("create table test (c int PRIMARY KEY);") diff --git a/server/tidb_test.go b/server/tidb_test.go index eeac9534499ba..4cd51b19c0ff7 100644 --- a/server/tidb_test.go +++ b/server/tidb_test.go @@ -147,6 +147,10 @@ func (ts *tidbTestSerialSuite) TestLoadData(c *C) { ts.runTestLoadDataForSlowLog(c, ts.server) } +func (ts *tidbTestSerialSuite) TestExplainFor(c *C) { + ts.runTestExplainForConn(c) +} + func (ts *tidbTestSerialSuite) TestStmtCount(c *C) { ts.runTestStmtCount(c) } diff --git a/session/session.go b/session/session.go index 4badf4d77cf63..d5d8dfc6db727 100644 --- a/session/session.go +++ b/session/session.go @@ -1121,6 +1121,16 @@ func (s *session) SetProcessInfo(sql string, t time.Time, command byte, maxExecu MaxExecutionTime: maxExecutionTime, RedactSQL: s.sessionVars.EnableRedactLog, } + if p == nil { + // Store the last valid plan when the current plan is nil. + // This is for `explain for connection` statement has the ability to query the last valid plan. + oldPi := s.ShowProcess() + if oldPi != nil && oldPi.Plan != nil && len(oldPi.PlanExplainRows) > 0 { + pi.Plan = oldPi.Plan + pi.PlanExplainRows = oldPi.PlanExplainRows + pi.RuntimeStatsColl = oldPi.RuntimeStatsColl + } + } _, pi.Digest = s.sessionVars.StmtCtx.SQLDigest() s.currentPlan = nil if s.sessionVars.User != nil { From 255aaad6b3c2e5005cd4d1d4aecc2fbb35dff01d Mon Sep 17 00:00:00 2001 From: Yuanjia Zhang Date: Thu, 26 Nov 2020 15:20:50 +0800 Subject: [PATCH 0310/1021] expression: convert a date to number if the date is used in numeric context (#20961) --- expression/builtin_compare.go | 2 -- expression/integration_test.go | 10 ++++++++++ 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/expression/builtin_compare.go b/expression/builtin_compare.go index 24618a046cf15..466cd29b94bc2 100644 --- a/expression/builtin_compare.go +++ b/expression/builtin_compare.go @@ -1113,8 +1113,6 @@ func GetAccurateCmpType(lhs, rhs Expression) types.EvalType { } if col.GetType().Tp == mysql.TypeDuration { cmpType = types.ETDuration - } else { - cmpType = types.ETDatetime } } } diff --git a/expression/integration_test.go b/expression/integration_test.go index f8106020b24f8..c71986d7bec97 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7751,6 +7751,16 @@ func (s *testIntegrationSerialSuite) TestIssue20608(c *C) { tk.MustQuery("select '䇇Հ' collate utf8mb4_bin like '___Հ';").Check(testkit.Rows("0")) } +func (s *testIntegrationSuite) TestIssue17868(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t7") + tk.MustExec("create table t7 (col0 SMALLINT, col1 VARBINARY(1), col2 DATE, col3 BIGINT, col4 BINARY(166))") + tk.MustExec("insert into t7 values ('32767', '', '1000-01-03', '-0', '11101011')") + tk.MustQuery("select col2 = 1 from t7").Check(testkit.Rows("0")) + tk.MustQuery("select col2 != 1 from t7").Check(testkit.Rows("1")) +} + func (s *testIntegrationSerialSuite) TestCollationIndexJoin(c *C) { collate.SetNewCollationEnabledForTest(true) defer collate.SetNewCollationEnabledForTest(false) From 183f2f3f97e4abf5beadd7f759d2970d48b3af8c Mon Sep 17 00:00:00 2001 From: Ryan Leung Date: Thu, 26 Nov 2020 15:49:52 +0800 Subject: [PATCH 0311/1021] infoschema: fix inaccurate statistics of TIDB_HOT_REGIONS (#21278) Signed-off-by: Ryan Leung --- store/helper/helper.go | 1 + store/helper/helper_test.go | 34 ++++++++++++++++++++++++++-------- store/tikv/test_util.go | 2 +- 3 files changed, 28 insertions(+), 9 deletions(-) diff --git a/store/helper/helper.go b/store/helper/helper.go index bf8ad5a012da2..ebb56158f95ce 100644 --- a/store/helper/helper.go +++ b/store/helper/helper.go @@ -204,6 +204,7 @@ type HotTableIndex struct { func (h *Helper) FetchRegionTableIndex(metrics map[uint64]RegionMetric, allSchemas []*model.DBInfo) ([]HotTableIndex, error) { hotTables := make([]HotTableIndex, 0, len(metrics)) for regionID, regionMetric := range metrics { + regionMetric := regionMetric t := HotTableIndex{RegionID: regionID, RegionMetric: ®ionMetric} region, err := h.RegionCache.LocateRegionByID(tikv.NewBackofferWithVars(context.Background(), 500, nil), regionID) if err != nil { diff --git a/store/helper/helper_test.go b/store/helper/helper_test.go index 8f25dfb4efdca..c4105e243388e 100644 --- a/store/helper/helper_test.go +++ b/store/helper/helper_test.go @@ -27,6 +27,7 @@ import ( "github.com/pingcap/parser/model" "github.com/pingcap/tidb/store/helper" "github.com/pingcap/tidb/store/mockstore" + "github.com/pingcap/tidb/store/mockstore/cluster" "github.com/pingcap/tidb/store/tikv" "github.com/pingcap/tidb/util/pdapi" "go.uber.org/zap" @@ -63,7 +64,12 @@ func (s *mockStore) TLSConfig() *tls.Config { func (s *HelperTestSuite) SetUpSuite(c *C) { url := s.mockPDHTTPServer(c) time.Sleep(100 * time.Millisecond) - mockTikvStore, err := mockstore.NewMockStore() + mockTikvStore, err := mockstore.NewMockStore( + mockstore.WithClusterInspector(func(c cluster.Cluster) { + mockstore.BootstrapWithMultiRegions(c, []byte("x")) + }), + ) + s.store = &mockStore{ mockTikvStore.(tikv.Storage), []string{url[len("http://"):]}, @@ -78,18 +84,25 @@ func (s *HelperTestSuite) TestHotRegion(c *C) { } regionMetric, err := h.FetchHotRegion(pdapi.HotRead) c.Assert(err, IsNil, Commentf("err: %+v", err)) - expected := make(map[uint64]helper.RegionMetric) - expected[1] = helper.RegionMetric{ - FlowBytes: 100, - MaxHotDegree: 1, - Count: 0, + expected := map[uint64]helper.RegionMetric{ + 2: { + FlowBytes: 100, + MaxHotDegree: 1, + Count: 0, + }, + 4: { + FlowBytes: 200, + MaxHotDegree: 2, + Count: 0, + }, } c.Assert(regionMetric, DeepEquals, expected) dbInfo := &model.DBInfo{ Name: model.NewCIStr("test"), } c.Assert(err, IsNil) - _, err = h.FetchRegionTableIndex(regionMetric, []*model.DBInfo{dbInfo}) + res, err := h.FetchRegionTableIndex(regionMetric, []*model.DBInfo{dbInfo}) + c.Assert(res[0].RegionMetric, Not(Equals), res[1].RegionMetric) c.Assert(err, IsNil, Commentf("err: %+v", err)) } @@ -141,9 +154,14 @@ func (s *HelperTestSuite) mockHotRegionResponse(w http.ResponseWriter, req *http RegionsStat: []helper.RegionStat{ { FlowBytes: 100, - RegionID: 1, + RegionID: 2, HotDegree: 1, }, + { + FlowBytes: 200, + RegionID: 4, + HotDegree: 2, + }, }, } resp := helper.StoreHotRegionInfos{ diff --git a/store/tikv/test_util.go b/store/tikv/test_util.go index 568d3f0460a51..fe1409683b21b 100644 --- a/store/tikv/test_util.go +++ b/store/tikv/test_util.go @@ -18,7 +18,7 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" - "github.com/tikv/pd/client" + pd "github.com/tikv/pd/client" ) // NewTestTiKVStore creates a test store with Option From 051dc83bf909842b241ae8f21cdb3c256020aae3 Mon Sep 17 00:00:00 2001 From: Yilin Chen Date: Thu, 26 Nov 2020 16:20:51 +0800 Subject: [PATCH 0312/1021] store/tikv: reduce BatchGet pending keys only when there is no response-level error (#21157) Signed-off-by: Yilin Chen --- go.mod | 2 +- go.sum | 4 +- store/mockstore/unistore/rpc.go | 21 +++++++++- store/tikv/snapshot.go | 28 +++++++++---- store/tikv/snapshot_fail_test.go | 71 ++++++++++++++++++++++++++++++++ 5 files changed, 115 insertions(+), 11 deletions(-) create mode 100644 store/tikv/snapshot_fail_test.go diff --git a/go.mod b/go.mod index c421dd8f36497..1f45188c9d771 100644 --- a/go.mod +++ b/go.mod @@ -45,7 +45,7 @@ require ( github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce github.com/pingcap/fn v0.0.0-20200306044125-d5540d389059 github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 - github.com/pingcap/kvproto v0.0.0-20201120081251-756b1447ba12 + github.com/pingcap/kvproto v0.0.0-20201124110645-494a2fb764b7 github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 github.com/pingcap/parser v0.0.0-20201123080035-8f4c6ab94e11 github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 diff --git a/go.sum b/go.sum index 67d3c5ee10c1b..387464733ac97 100644 --- a/go.sum +++ b/go.sum @@ -679,8 +679,8 @@ github.com/pingcap/kvproto v0.0.0-20200417092353-efbe03bcffbd/go.mod h1:IOdRDPLy github.com/pingcap/kvproto v0.0.0-20200420075417-e0c6e8842f22/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/kvproto v0.0.0-20200810113304-6157337686b1/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/kvproto v0.0.0-20201113092725-08f2872278eb/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= -github.com/pingcap/kvproto v0.0.0-20201120081251-756b1447ba12 h1:f33y/pngBI525jqytoSZevpmmq43XiIHoeElx3BppNQ= -github.com/pingcap/kvproto v0.0.0-20201120081251-756b1447ba12/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= +github.com/pingcap/kvproto v0.0.0-20201124110645-494a2fb764b7 h1:xi36VGntRELtpBBAUkvx2XrCxSLwrOVEnbLnGT/Kx5g= +github.com/pingcap/kvproto v0.0.0-20201124110645-494a2fb764b7/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/log v0.0.0-20191012051959-b742a5d432e9/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200117041106-d28c14d3b1cd/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200511115504-543df19646ad/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= diff --git a/store/mockstore/unistore/rpc.go b/store/mockstore/unistore/rpc.go index 1cd93f9e0d289..d263379dac560 100644 --- a/store/mockstore/unistore/rpc.go +++ b/store/mockstore/unistore/rpc.go @@ -152,7 +152,26 @@ func (c *RPCClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.R case tikvrpc.CmdTxnHeartBeat: resp.Resp, err = c.usSvr.KvTxnHeartBeat(ctx, req.TxnHeartBeat()) case tikvrpc.CmdBatchGet: - resp.Resp, err = c.usSvr.KvBatchGet(ctx, req.BatchGet()) + batchGetReq := req.BatchGet() + failpoint.Inject("rpcBatchGetResult", func(val failpoint.Value) { + switch val.(string) { + case "keyError": + failpoint.Return(&tikvrpc.Response{ + Resp: &kvrpcpb.BatchGetResponse{Error: &kvrpcpb.KeyError{ + Locked: &kvrpcpb.LockInfo{ + PrimaryLock: batchGetReq.Keys[0], + LockVersion: batchGetReq.Version - 1, + Key: batchGetReq.Keys[0], + LockTtl: 2000, + TxnSize: 1, + LockType: kvrpcpb.Op_Put, + }, + }}, + }, nil) + } + }) + + resp.Resp, err = c.usSvr.KvBatchGet(ctx, batchGetReq) case tikvrpc.CmdBatchRollback: resp.Resp, err = c.usSvr.KvBatchRollback(ctx, req.BatchRollback()) case tikvrpc.CmdScanLock: diff --git a/store/tikv/snapshot.go b/store/tikv/snapshot.go index f13e45076e682..250426645ff60 100644 --- a/store/tikv/snapshot.go +++ b/store/tikv/snapshot.go @@ -312,18 +312,28 @@ func (s *tikvSnapshot) batchGetSingleRegion(bo *Backoffer, batch batchKeys, coll lockedKeys [][]byte locks []*Lock ) - for _, pair := range batchGetResp.Pairs { - keyErr := pair.GetError() - if keyErr == nil { - collectF(pair.GetKey(), pair.GetValue()) - continue - } + if keyErr := batchGetResp.GetError(); keyErr != nil { + // If a response-level error happens, skip reading pairs. lock, err := extractLockFromKeyErr(keyErr) if err != nil { return errors.Trace(err) } lockedKeys = append(lockedKeys, lock.Key) locks = append(locks, lock) + } else { + for _, pair := range batchGetResp.Pairs { + keyErr := pair.GetError() + if keyErr == nil { + collectF(pair.GetKey(), pair.GetValue()) + continue + } + lock, err := extractLockFromKeyErr(keyErr) + if err != nil { + return errors.Trace(err) + } + lockedKeys = append(lockedKeys, lock.Key) + locks = append(locks, lock) + } } if len(lockedKeys) > 0 { msBeforeExpired, err := cli.ResolveLocks(bo, s.version.Ver, locks) @@ -336,7 +346,11 @@ func (s *tikvSnapshot) batchGetSingleRegion(bo *Backoffer, batch batchKeys, coll return errors.Trace(err) } } - pending = lockedKeys + // Only reduce pending keys when there is no response-level error. Otherwise, + // lockedKeys may be incomplete. + if batchGetResp.GetError() == nil { + pending = lockedKeys + } continue } return nil diff --git a/store/tikv/snapshot_fail_test.go b/store/tikv/snapshot_fail_test.go new file mode 100644 index 0000000000000..1001d30bfb70a --- /dev/null +++ b/store/tikv/snapshot_fail_test.go @@ -0,0 +1,71 @@ +// Copyright 2016 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package tikv + +import ( + "context" + + . "github.com/pingcap/check" + "github.com/pingcap/failpoint" + "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/store/mockstore/unistore" +) + +type testSnapshotFailSuite struct { + OneByOneSuite + store *tikvStore +} + +var _ = SerialSuites(&testSnapshotFailSuite{}) + +func (s *testSnapshotFailSuite) SetUpSuite(c *C) { + s.OneByOneSuite.SetUpSuite(c) + client, pdClient, cluster, err := unistore.New("") + c.Assert(err, IsNil) + unistore.BootstrapWithSingleStore(cluster) + store, err := NewTestTiKVStore(client, pdClient, nil, nil, 0) + c.Assert(err, IsNil) + s.store = store.(*tikvStore) +} + +func (s *testSnapshotFailSuite) TearDownSuite(c *C) { + s.OneByOneSuite.TearDownSuite(c) +} + +func (s *testSnapshotSuite) TestBatchGetResponseKeyError(c *C) { + // Meaningless to test with tikv because it has a mock key error + if *WithTiKV { + return + } + // Put two KV pairs + txn, err := s.store.Begin() + c.Assert(err, IsNil) + err = txn.Set([]byte("k1"), []byte("v1")) + c.Assert(err, IsNil) + err = txn.Set([]byte("k2"), []byte("v2")) + c.Assert(err, IsNil) + err = txn.Commit(context.Background()) + c.Assert(err, IsNil) + + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/rpcBatchGetResult", `1*return("keyError")`), IsNil) + defer func() { + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/mockstore/mocktikv/rpcBatchGetResult"), IsNil) + }() + + txn, err = s.store.Begin() + c.Assert(err, IsNil) + res, err := txn.BatchGet(context.Background(), []kv.Key{[]byte("k1"), []byte("k2")}) + c.Assert(err, IsNil) + c.Assert(res, DeepEquals, map[string][]byte{"k1": []byte("v1"), "k2": []byte("v2")}) +} From 32d19b78e158d2b21685f13b7f4ca5d5b41c79fd Mon Sep 17 00:00:00 2001 From: crazycs Date: Thu, 26 Nov 2020 16:35:25 +0800 Subject: [PATCH 0313/1021] *: refine runtime stats display and tiny bug fix for metrics (#21022) Signed-off-by: crazycs520 --- bindinfo/bind_test.go | 6 +- distsql/select_result.go | 23 ++-- executor/distsql.go | 4 +- executor/distsql_test.go | 4 +- executor/executor_test.go | 48 ++++---- executor/explainfor_test.go | 4 +- executor/hash_table.go | 3 +- executor/index_lookup_join.go | 12 +- executor/insert_common.go | 11 +- executor/insert_test.go | 4 +- executor/join.go | 14 +-- executor/slow_query.go | 5 +- infoschema/metric_table_def.go | 2 +- planner/core/cbo_test.go | 2 +- planner/core/common_plans.go | 19 ++- store/tikv/region_request.go | 3 +- store/tikv/snapshot.go | 3 +- store/tikv/snapshot_test.go | 2 +- util/execdetails/execdetails.go | 122 +++++++++++++++----- util/execdetails/execdetails_test.go | 79 +++++++++++-- util/expensivequery/expensivequerey_test.go | 2 +- util/expensivequery/expensivequery.go | 2 +- util/memory/tracker.go | 54 +++++++-- util/memory/tracker_test.go | 88 +++++++++++++- util/plancodec/codec.go | 7 +- 25 files changed, 401 insertions(+), 122 deletions(-) diff --git a/bindinfo/bind_test.go b/bindinfo/bind_test.go index c23b37a2a4e79..023ce1498907e 100644 --- a/bindinfo/bind_test.go +++ b/bindinfo/bind_test.go @@ -1682,9 +1682,9 @@ func (s *testSuite) TestIssue19836(c *C) { explainResult := testkit.Rows( "Limit_8 2.00 0 root time:0s, loops:0 offset:1, count:2 N/A N/A", "└─TableReader_14 3.00 0 root time:0s, loops:0 data:Limit_13 N/A N/A", - " └─Limit_13 3.00 0 cop[tikv] time:0ns, loops:0 offset:0, count:3 N/A N/A", - " └─Selection_12 3.00 0 cop[tikv] time:0ns, loops:0 eq(test.t.a, 40) N/A N/A", - " └─TableFullScan_11 3000.00 0 cop[tikv] table:t time:0ns, loops:0 keep order:false, stats:pseudo N/A N/A", + " └─Limit_13 3.00 0 cop[tikv] offset:0, count:3 N/A N/A", + " └─Selection_12 3.00 0 cop[tikv] eq(test.t.a, 40) N/A N/A", + " └─TableFullScan_11 3000.00 0 cop[tikv] table:t keep order:false, stats:pseudo N/A N/A", ) tk.MustQuery("explain for connection " + strconv.FormatUint(tk.Se.ShowProcess().ID, 10)).Check(explainResult) } diff --git a/distsql/select_result.go b/distsql/select_result.go index a316a4fba7ad6..d9ebf879881e2 100644 --- a/distsql/select_result.go +++ b/distsql/select_result.go @@ -24,6 +24,7 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/parser/terror" + "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/errno" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/metrics" @@ -407,7 +408,7 @@ func (s *selectResultRuntimeStats) String() string { if len(s.copRespTime) > 0 { size := len(s.copRespTime) if size == 1 { - buf.WriteString(fmt.Sprintf("cop_task: {num: 1, max:%v, proc_keys: %v", s.copRespTime[0], s.procKeys[0])) + buf.WriteString(fmt.Sprintf("cop_task: {num: 1, max: %v, proc_keys: %v", execdetails.FormatDuration(s.copRespTime[0]), s.procKeys[0])) } else { sort.Slice(s.copRespTime, func(i, j int) bool { return s.copRespTime[i] < s.copRespTime[j] @@ -425,7 +426,9 @@ func (s *selectResultRuntimeStats) String() string { }) keyMax := s.procKeys[size-1] keyP95 := s.procKeys[size*19/20] - buf.WriteString(fmt.Sprintf("cop_task: {num: %v, max: %v, min: %v, avg: %v, p95: %v", size, vMax, vMin, vAvg, vP95)) + buf.WriteString(fmt.Sprintf("cop_task: {num: %v, max: %v, min: %v, avg: %v, p95: %v", size, + execdetails.FormatDuration(vMax), execdetails.FormatDuration(vMin), + execdetails.FormatDuration(vAvg), execdetails.FormatDuration(vP95))) if keyMax > 0 { buf.WriteString(", max_proc_keys: ") buf.WriteString(strconv.FormatInt(keyMax, 10)) @@ -434,10 +437,10 @@ func (s *selectResultRuntimeStats) String() string { } if s.totalProcessTime > 0 { buf.WriteString(", tot_proc: ") - buf.WriteString(s.totalProcessTime.String()) + buf.WriteString(execdetails.FormatDuration(s.totalProcessTime)) if s.totalWaitTime > 0 { buf.WriteString(", tot_wait: ") - buf.WriteString(s.totalWaitTime.String()) + buf.WriteString(execdetails.FormatDuration(s.totalWaitTime)) } } } @@ -448,10 +451,14 @@ func (s *selectResultRuntimeStats) String() string { buf.WriteString(", rpc_num: ") buf.WriteString(strconv.FormatInt(copRPC.Count, 10)) buf.WriteString(", rpc_time: ") - buf.WriteString(time.Duration(copRPC.Consume).String()) + buf.WriteString(execdetails.FormatDuration(time.Duration(copRPC.Consume))) + } + if config.GetGlobalConfig().TiKVClient.CoprCache.Enable { + buf.WriteString(fmt.Sprintf(", copr_cache_hit_ratio: %v", + strconv.FormatFloat(float64(s.CoprCacheHitNum)/float64(len(s.copRespTime)), 'f', 2, 64))) + } else { + buf.WriteString(", copr_cache: disabled") } - buf.WriteString(fmt.Sprintf(", copr_cache_hit_ratio: %v", - strconv.FormatFloat(float64(s.CoprCacheHitNum)/float64(len(s.copRespTime)), 'f', 2, 64))) buf.WriteString("}") } @@ -469,7 +476,7 @@ func (s *selectResultRuntimeStats) String() string { buf.WriteString(", ") } idx++ - buf.WriteString(fmt.Sprintf("%s: %s", k, d.String())) + buf.WriteString(fmt.Sprintf("%s: %s", k, execdetails.FormatDuration(d))) } buf.WriteString("}") } diff --git a/executor/distsql.go b/executor/distsql.go index 669bb404c6c64..10d246f8c883c 100644 --- a/executor/distsql.go +++ b/executor/distsql.go @@ -1010,13 +1010,13 @@ func (e *IndexLookUpRunTimeStats) String() string { tableTaskNum := atomic.LoadInt64(&e.TableTaskNum) concurrency := e.Concurrency if indexScan != 0 { - buf.WriteString(fmt.Sprintf("index_task:%s", time.Duration(indexScan))) + buf.WriteString(fmt.Sprintf("index_task: %s", execdetails.FormatDuration(time.Duration(indexScan)))) } if tableScan != 0 { if buf.Len() > 0 { buf.WriteByte(',') } - buf.WriteString(fmt.Sprintf(" table_task:{num:%d, concurrency:%d, time:%s}", tableTaskNum, concurrency, time.Duration(tableScan))) + buf.WriteString(fmt.Sprintf(" table_task: {num: %d, concurrency: %d, time: %s}", tableTaskNum, concurrency, execdetails.FormatDuration(time.Duration(tableScan)))) } return buf.String() } diff --git a/executor/distsql_test.go b/executor/distsql_test.go index 2adb4f09bb1e1..088a0f16ec71d 100644 --- a/executor/distsql_test.go +++ b/executor/distsql_test.go @@ -264,8 +264,8 @@ func (s *testSuite3) TestIndexLookUpStats(c *C) { TableTaskNum: 2, Concurrency: 1, } - c.Assert(stats.String(), Equals, "index_task:2s, table_task:{num:2, concurrency:1, time:2s}") + c.Assert(stats.String(), Equals, "index_task: 2s, table_task: {num: 2, concurrency: 1, time: 2s}") c.Assert(stats.String(), Equals, stats.Clone().String()) stats.Merge(stats.Clone()) - c.Assert(stats.String(), Equals, "index_task:4s, table_task:{num:4, concurrency:2, time:4s}") + c.Assert(stats.String(), Equals, "index_task: 4s, table_task: {num: 4, concurrency: 2, time: 4s}") } diff --git a/executor/executor_test.go b/executor/executor_test.go index b09bdccaafc06..95f619640d4d5 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6533,6 +6533,23 @@ func (s *testSerialSuite1) TestCollectCopRuntimeStats(c *C) { c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/tikvStoreRespResult"), IsNil) } +func (s *testSerialSuite1) TestIndexLookupRuntimeStats(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("drop table if exists t1") + tk.MustExec("create table t1 (a int, b int, index(a))") + tk.MustExec("insert into t1 values (1,2),(2,3),(3,4)") + sql := "explain analyze select * from t1 use index(a) where a > 1;" + rows := tk.MustQuery(sql).Rows() + c.Assert(len(rows), Equals, 3) + explain := fmt.Sprintf("%v", rows[0]) + c.Assert(explain, Matches, ".*time:.*loops:.*index_task:.*table_task: {num.*concurrency.*time.*}.*") + indexExplain := fmt.Sprintf("%v", rows[1]) + tableExplain := fmt.Sprintf("%v", rows[2]) + c.Assert(indexExplain, Matches, ".*time:.*loops:.*cop_task:.*") + c.Assert(tableExplain, Matches, ".*time:.*loops:.*cop_task:.*") +} + func (s *testSerialSuite1) TestHashAggRuntimeStats(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") @@ -6571,23 +6588,6 @@ func (s *testSerialSuite1) TestIndexMergeRuntimeStats(c *C) { tk.MustQuery(sql).Check(testkit.Rows("1 1 1 1 1", "5 5 5 5 5")) } -func (s *testSerialSuite1) TestIndexlookupRuntimeStats(c *C) { - tk := testkit.NewTestKit(c, s.store) - tk.MustExec("use test;") - tk.MustExec("drop table if exists t1") - tk.MustExec("create table t1 (a int, b int, index(a))") - tk.MustExec("insert into t1 values (1,2),(2,3),(3,4)") - sql := "explain analyze select * from t1 use index(a) where a > 1;" - rows := tk.MustQuery(sql).Rows() - c.Assert(len(rows), Equals, 3) - explain := fmt.Sprintf("%v", rows[0]) - c.Assert(explain, Matches, ".*time:.*loops:.*index_task:.*table_task:{num.*concurrency.*time.*}.*") - indexExplain := fmt.Sprintf("%v", rows[1]) - tableExplain := fmt.Sprintf("%v", rows[2]) - c.Assert(indexExplain, Matches, ".*time:.*loops:.*cop_task:.*") - c.Assert(tableExplain, Matches, ".*time:.*loops:.*cop_task:.*") -} - func (s *testSuite) TestCollectDMLRuntimeStats(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") @@ -6627,12 +6627,12 @@ func (s *testSuite) TestCollectDMLRuntimeStats(c *C) { tk.MustExec("begin pessimistic") tk.MustExec("insert ignore into t1 values (9,9)") - c.Assert(getRootStats(), Matches, "time:.*, loops:.*, prepare:.*, check_insert:{total_time:.*, mem_insert_time:.*, prefetch:.*, rpc:{BatchGet:{num_rpc:.*, total_time:.*}}}.*") + c.Assert(getRootStats(), Matches, "time:.*, loops:.*, prepare:.*, check_insert: {total_time:.*, mem_insert_time:.*, prefetch:.*, rpc:{BatchGet:{num_rpc:.*, total_time:.*}}}.*") tk.MustExec("rollback") tk.MustExec("begin pessimistic") tk.MustExec("insert into t1 values (10,10) on duplicate key update a=a+1") - c.Assert(getRootStats(), Matches, "time:.*, loops:.*, prepare:.*, check_insert:{total_time:.*, mem_insert_time:.*, prefetch:.*, rpc:{BatchGet:{num_rpc:.*, total_time:.*}.*") + c.Assert(getRootStats(), Matches, "time:.*, loops:.*, prepare:.*, check_insert: {total_time:.*, mem_insert_time:.*, prefetch:.*, rpc:{BatchGet:{num_rpc:.*, total_time:.*}.*") tk.MustExec("rollback") tk.MustExec("begin pessimistic") @@ -6642,7 +6642,7 @@ func (s *testSuite) TestCollectDMLRuntimeStats(c *C) { tk.MustExec("begin pessimistic") tk.MustExec("insert ignore into t1 values(11,11) on duplicate key update `a`=`a`+1") - c.Assert(getRootStats(), Matches, "time:.*, loops:.*, prepare:.*, check_insert:{total_time:.*, mem_insert_time:.*, prefetch:.*, rpc:.*}") + c.Assert(getRootStats(), Matches, "time:.*, loops:.*, prepare:.*, check_insert: {total_time:.*, mem_insert_time:.*, prefetch:.*, rpc:.*}") tk.MustExec("rollback") tk.MustExec("begin pessimistic") @@ -6725,6 +6725,14 @@ func (s *testCoprCache) TestIntegrationCopCache(c *C) { hitRatio, err := strconv.ParseFloat(rows[0][5].(string)[hitRatioIdx:hitRatioIdx+4], 64) c.Assert(err, IsNil) c.Assert(hitRatio > 0, Equals, true) + + // Test for cop cache disabled. + cfg := config.NewConfig() + cfg.TiKVClient.CoprCache.Enable = false + config.StoreGlobalConfig(cfg) + rows = tk.MustQuery("explain analyze select * from t where t.a < 10").Rows() + c.Assert(rows[0][2], Equals, "9") + c.Assert(strings.Contains(rows[0][5].(string), "copr_cache: disabled"), Equals, true) } func (s *testSerialSuite) TestCoprocessorOOMTicase(c *C) { diff --git a/executor/explainfor_test.go b/executor/explainfor_test.go index 56ed51d727c3c..d8915604eb442 100644 --- a/executor/explainfor_test.go +++ b/executor/explainfor_test.go @@ -110,8 +110,8 @@ func (s *testSerialSuite) TestExplainFor(c *C) { } } c.Assert(buf.String(), Matches, ""+ - "TableReader_5 10000.00 0 root time:.*, loops:1, cop_task: {num:.*, max:.*, proc_keys: 0, rpc_num: 1, rpc_time:.*, copr_cache_hit_ratio: 0.00} data:TableFullScan_4 N/A N/A\n"+ - "└─TableFullScan_4 10000.00 0 cop.* table:t1 time:.*, loops:0, tikv_task:{time:.*, loops:0} keep order:false, stats:pseudo N/A N/A") + "TableReader_5 10000.00 0 root time:.*, loops:1, cop_task: {num:.*, max:.*, proc_keys: 0, rpc_num: 1, rpc_time:.*} data:TableFullScan_4 N/A N/A\n"+ + "└─TableFullScan_4 10000.00 0 cop.* table:t1 tikv_task:{time:.*, loops:0} keep order:false, stats:pseudo N/A N/A") } tkRoot.MustQuery("select * from t1;") check() diff --git a/executor/hash_table.go b/executor/hash_table.go index 1df5828abb146..a004dd463bc4b 100644 --- a/executor/hash_table.go +++ b/executor/hash_table.go @@ -27,6 +27,7 @@ import ( "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/codec" "github.com/pingcap/tidb/util/disk" + "github.com/pingcap/tidb/util/execdetails" "github.com/pingcap/tidb/util/memory" ) @@ -82,7 +83,7 @@ type hashStatistic struct { } func (s *hashStatistic) String() string { - return fmt.Sprintf("probe_collision:%v, build:%v", s.probeCollision, s.buildTableElapse) + return fmt.Sprintf("probe_collision:%v, build:%v", s.probeCollision, execdetails.FormatDuration(s.buildTableElapse)) } // hashRowContainer handles the rows and the hash map of a table. diff --git a/executor/index_lookup_join.go b/executor/index_lookup_join.go index 9d901d369633f..045f7ea142a49 100644 --- a/executor/index_lookup_join.go +++ b/executor/index_lookup_join.go @@ -742,7 +742,7 @@ func (e *indexLookUpJoinRuntimeStats) String() string { buf := bytes.NewBuffer(make([]byte, 0, 16)) if e.innerWorker.totalTime > 0 { buf.WriteString("inner:{total:") - buf.WriteString(time.Duration(e.innerWorker.totalTime).String()) + buf.WriteString(execdetails.FormatDuration(time.Duration(e.innerWorker.totalTime))) buf.WriteString(", concurrency:") if e.concurrency > 0 { buf.WriteString(strconv.Itoa(e.concurrency)) @@ -752,20 +752,20 @@ func (e *indexLookUpJoinRuntimeStats) String() string { buf.WriteString(", task:") buf.WriteString(strconv.FormatInt(e.innerWorker.task, 10)) buf.WriteString(", construct:") - buf.WriteString(time.Duration(e.innerWorker.construct).String()) + buf.WriteString(execdetails.FormatDuration(time.Duration(e.innerWorker.construct))) buf.WriteString(", fetch:") - buf.WriteString(time.Duration(e.innerWorker.fetch).String()) + buf.WriteString(execdetails.FormatDuration(time.Duration(e.innerWorker.fetch))) buf.WriteString(", build:") - buf.WriteString(time.Duration(e.innerWorker.build).String()) + buf.WriteString(execdetails.FormatDuration(time.Duration(e.innerWorker.build))) if e.innerWorker.join > 0 { buf.WriteString(", join:") - buf.WriteString(time.Duration(e.innerWorker.join).String()) + buf.WriteString(execdetails.FormatDuration(time.Duration(e.innerWorker.join))) } buf.WriteString("}") } if e.probe > 0 { buf.WriteString(", probe:") - buf.WriteString(time.Duration(e.probe).String()) + buf.WriteString(execdetails.FormatDuration(time.Duration(e.probe))) } return buf.String() } diff --git a/executor/insert_common.go b/executor/insert_common.go index c920e5e7e2c39..f97f6e41f9700 100644 --- a/executor/insert_common.go +++ b/executor/insert_common.go @@ -1047,14 +1047,17 @@ func (e *InsertRuntimeStat) String() string { if e.CheckInsertTime == 0 { // For replace statement. if e.Prefetch > 0 && e.SnapshotRuntimeStats != nil { - return fmt.Sprintf("prefetch: %v, rpc:{%v}", e.Prefetch, e.SnapshotRuntimeStats.String()) + return fmt.Sprintf("prefetch: %v, rpc:{%v}", execdetails.FormatDuration(e.Prefetch), e.SnapshotRuntimeStats.String()) } return "" } buf := bytes.NewBuffer(make([]byte, 0, 32)) - buf.WriteString(fmt.Sprintf("prepare:%v, ", time.Duration(e.BasicRuntimeStats.GetTime())-e.CheckInsertTime)) + buf.WriteString(fmt.Sprintf("prepare:%v, ", execdetails.FormatDuration(time.Duration(e.BasicRuntimeStats.GetTime())-e.CheckInsertTime))) if e.Prefetch > 0 { - buf.WriteString(fmt.Sprintf("check_insert:{total_time:%v, mem_insert_time:%v, prefetch:%v", e.CheckInsertTime, e.CheckInsertTime-e.Prefetch, e.Prefetch)) + buf.WriteString(fmt.Sprintf("check_insert: {total_time: %v, mem_insert_time: %v, prefetch: %v", + execdetails.FormatDuration(e.CheckInsertTime), + execdetails.FormatDuration(e.CheckInsertTime-e.Prefetch), + execdetails.FormatDuration(e.Prefetch))) if e.SnapshotRuntimeStats != nil { if rpc := e.SnapshotRuntimeStats.String(); len(rpc) > 0 { buf.WriteString(fmt.Sprintf(", rpc:{%s}", rpc)) @@ -1062,7 +1065,7 @@ func (e *InsertRuntimeStat) String() string { } buf.WriteString("}") } else { - buf.WriteString(fmt.Sprintf("insert:%v", e.CheckInsertTime)) + buf.WriteString(fmt.Sprintf("insert:%v", execdetails.FormatDuration(e.CheckInsertTime))) } return buf.String() } diff --git a/executor/insert_test.go b/executor/insert_test.go index 2f399e449c168..343e9747404a9 100644 --- a/executor/insert_test.go +++ b/executor/insert_test.go @@ -1428,10 +1428,10 @@ func (s *testSuite10) TestInsertRuntimeStat(c *C) { Prefetch: 1 * time.Second, } stats.BasicRuntimeStats.Record(5*time.Second, 1) - c.Assert(stats.String(), Equals, "prepare:3s, check_insert:{total_time:2s, mem_insert_time:1s, prefetch:1s}") + c.Assert(stats.String(), Equals, "prepare:3s, check_insert: {total_time: 2s, mem_insert_time: 1s, prefetch: 1s}") c.Assert(stats.String(), Equals, stats.Clone().String()) stats.Merge(stats.Clone()) - c.Assert(stats.String(), Equals, "prepare:6s, check_insert:{total_time:4s, mem_insert_time:2s, prefetch:2s}") + c.Assert(stats.String(), Equals, "prepare:6s, check_insert: {total_time: 4s, mem_insert_time: 2s, prefetch: 2s}") } func (s *testSerialSuite) TestDuplicateEntryMessage(c *C) { diff --git a/executor/join.go b/executor/join.go index eb43d70093bb7..472df41ded441 100644 --- a/executor/join.go +++ b/executor/join.go @@ -1129,24 +1129,24 @@ func (e *hashJoinRuntimeStats) String() string { buf := bytes.NewBuffer(make([]byte, 0, 128)) if e.fetchAndBuildHashTable > 0 { buf.WriteString("build_hash_table:{total:") - buf.WriteString(e.fetchAndBuildHashTable.String()) + buf.WriteString(execdetails.FormatDuration(e.fetchAndBuildHashTable)) buf.WriteString(", fetch:") - buf.WriteString((e.fetchAndBuildHashTable - e.hashStat.buildTableElapse).String()) + buf.WriteString(execdetails.FormatDuration((e.fetchAndBuildHashTable - e.hashStat.buildTableElapse))) buf.WriteString(", build:") - buf.WriteString(e.hashStat.buildTableElapse.String()) + buf.WriteString(execdetails.FormatDuration(e.hashStat.buildTableElapse)) buf.WriteString("}") } if e.probe > 0 { buf.WriteString(", probe:{concurrency:") buf.WriteString(strconv.Itoa(e.concurrent)) buf.WriteString(", total:") - buf.WriteString(time.Duration(e.fetchAndProbe).String()) + buf.WriteString(execdetails.FormatDuration(time.Duration(e.fetchAndProbe))) buf.WriteString(", max:") - buf.WriteString(time.Duration(atomic.LoadInt64(&e.maxFetchAndProbe)).String()) + buf.WriteString(execdetails.FormatDuration(time.Duration(atomic.LoadInt64(&e.maxFetchAndProbe)))) buf.WriteString(", probe:") - buf.WriteString(time.Duration(e.probe).String()) + buf.WriteString(execdetails.FormatDuration(time.Duration(e.probe))) buf.WriteString(", fetch:") - buf.WriteString(time.Duration(e.fetchAndProbe - e.probe).String()) + buf.WriteString(execdetails.FormatDuration(time.Duration(e.fetchAndProbe - e.probe))) if e.hashStat.probeCollision > 0 { buf.WriteString(", probe_collision:") buf.WriteString(strconv.Itoa(e.hashStat.probeCollision)) diff --git a/executor/slow_query.go b/executor/slow_query.go index fd9f5e5e0c997..0d6bf9df4ed86 100755 --- a/executor/slow_query.go +++ b/executor/slow_query.go @@ -944,8 +944,9 @@ type slowQueryRuntimeStats struct { // String implements the RuntimeStats interface. func (s *slowQueryRuntimeStats) String() string { return fmt.Sprintf("initialize: %s, read_file: %s, parse_log: {time:%s, concurrency:%v}, total_file: %v, read_file: %v, read_size: %s", - s.initialize, s.readFile, time.Duration(s.parseLog), s.concurrent, - s.totalFileNum, s.readFileNum, memory.BytesToString(s.readFileSize)) + execdetails.FormatDuration(s.initialize), execdetails.FormatDuration(s.readFile), + execdetails.FormatDuration(time.Duration(s.parseLog)), s.concurrent, + s.totalFileNum, s.readFileNum, memory.FormatBytes(s.readFileSize)) } // Merge implements the RuntimeStats interface. diff --git a/infoschema/metric_table_def.go b/infoschema/metric_table_def.go index 88ffb9521d801..de29e54177544 100644 --- a/infoschema/metric_table_def.go +++ b/infoschema/metric_table_def.go @@ -1843,7 +1843,7 @@ var MetricTableMap = map[string]MetricTableDef{ Comment: "The flow rate of compaction operations per type", }, "tikv_compaction_pending_bytes": { - PromQL: `sum(rate(tikv_engine_pending_compaction_bytes{$LABEL_CONDITIONS}[$RANGE_DURATION])) by (cf,instance,db)`, + PromQL: `tikv_engine_pending_compaction_bytes{$LABEL_CONDITIONS}`, Labels: []string{"instance", "cf", "db"}, Comment: "The pending bytes to be compacted", }, diff --git a/planner/core/cbo_test.go b/planner/core/cbo_test.go index 4394a6e006a38..e15bc395eb8b4 100644 --- a/planner/core/cbo_test.go +++ b/planner/core/cbo_test.go @@ -100,7 +100,7 @@ func (s *testAnalyzeSuite) TestExplainAnalyze(c *C) { c.Assert(strings.Contains(execInfo, "time"), Equals, true) c.Assert(strings.Contains(execInfo, "loops"), Equals, true) if strings.Contains(row[0].(string), "Reader") || strings.Contains(row[0].(string), "IndexLookUp") { - c.Assert(strings.Contains(execInfo, "copr_cache_hit_ratio"), Equals, true) + c.Assert(strings.Contains(execInfo, "cop_task"), Equals, true) } } } diff --git a/planner/core/common_plans.go b/planner/core/common_plans.go index 7640b23cfc744..224933520ecd1 100644 --- a/planner/core/common_plans.go +++ b/planner/core/common_plans.go @@ -1105,33 +1105,32 @@ func getRuntimeInfo(ctx sessionctx.Context, p Plan, runtimeStatsColl *execdetail explainID := p.ID() // There maybe some mock information for cop task to let runtimeStatsColl.Exists(p.ExplainID()) is true. - // So check copTaskEkxecDetail first and print the real cop task information if it's not empty. + // So check copTaskExecDetail first and print the real cop task information if it's not empty. if runtimeStatsColl.ExistsRootStats(explainID) { - rootstats := runtimeStatsColl.GetRootStats(explainID) - analyzeInfo = rootstats.String() - actRows = fmt.Sprint(rootstats.GetActRows()) + rootStats := runtimeStatsColl.GetRootStats(explainID) + analyzeInfo = rootStats.String() + actRows = fmt.Sprint(rootStats.GetActRows()) } else { - analyzeInfo = "time:0ns, loops:0" actRows = "0" } if runtimeStatsColl.ExistsCopStats(explainID) { - copstats := runtimeStatsColl.GetCopStats(explainID) if len(analyzeInfo) > 0 { analyzeInfo += ", " } - analyzeInfo += copstats.String() - actRows = fmt.Sprint(copstats.GetActRows()) + copStats := runtimeStatsColl.GetCopStats(explainID) + analyzeInfo += copStats.String() + actRows = fmt.Sprint(copStats.GetActRows()) } memoryInfo = "N/A" memTracker := ctx.GetSessionVars().StmtCtx.MemTracker.SearchTrackerWithoutLock(p.ID()) if memTracker != nil { - memoryInfo = memTracker.BytesToString(memTracker.MaxConsumed()) + memoryInfo = memTracker.FormatBytes(memTracker.MaxConsumed()) } diskInfo = "N/A" diskTracker := ctx.GetSessionVars().StmtCtx.DiskTracker.SearchTrackerWithoutLock(p.ID()) if diskTracker != nil { - diskInfo = diskTracker.BytesToString(diskTracker.MaxConsumed()) + diskInfo = diskTracker.FormatBytes(diskTracker.MaxConsumed()) } return } diff --git a/store/tikv/region_request.go b/store/tikv/region_request.go index 8c3cf2cad7a1c..0a6b6eff14901 100644 --- a/store/tikv/region_request.go +++ b/store/tikv/region_request.go @@ -35,6 +35,7 @@ import ( "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/metrics" "github.com/pingcap/tidb/store/tikv/tikvrpc" + "github.com/pingcap/tidb/util/execdetails" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/storeutil" ) @@ -94,7 +95,7 @@ func (r *RegionRequestRuntimeStats) String() string { if buf.Len() > 0 { buf.WriteByte(',') } - buf.WriteString(fmt.Sprintf("%s:{num_rpc:%d, total_time:%s}", k.String(), v.Count, time.Duration(v.Consume))) + buf.WriteString(fmt.Sprintf("%s:{num_rpc:%d, total_time:%s}", k.String(), v.Count, execdetails.FormatDuration(time.Duration(v.Consume)))) } return buf.String() } diff --git a/store/tikv/snapshot.go b/store/tikv/snapshot.go index 250426645ff60..05ddf49c033c9 100644 --- a/store/tikv/snapshot.go +++ b/store/tikv/snapshot.go @@ -771,7 +771,8 @@ func (rs *SnapshotRuntimeStats) String() string { buf.WriteByte(',') } ms := rs.backoffSleepMS[k] - buf.WriteString(fmt.Sprintf("%s_backoff:{num:%d, total_time:%d ms}", k.String(), v, ms)) + d := time.Duration(ms) * time.Millisecond + buf.WriteString(fmt.Sprintf("%s_backoff:{num:%d, total_time:%s}", k.String(), v, execdetails.FormatDuration(d))) } return buf.String() } diff --git a/store/tikv/snapshot_test.go b/store/tikv/snapshot_test.go index 9f5697ef1cee3..5dafa6deb3655 100644 --- a/store/tikv/snapshot_test.go +++ b/store/tikv/snapshot_test.go @@ -315,6 +315,6 @@ func (s *testSnapshotSuite) TestSnapshotRuntimeStats(c *C) { c.Assert(err, IsNil) snapshot.recordBackoffInfo(bo) snapshot.recordBackoffInfo(bo) - expect := "Get:{num_rpc:4, total_time:2.002s},txnLockFast_backoff:{num:2, total_time:60 ms}" + expect := "Get:{num_rpc:4, total_time:2s},txnLockFast_backoff:{num:2, total_time:60ms}" c.Assert(snapshot.mu.stats.String(), Equals, expect) } diff --git a/util/execdetails/execdetails.go b/util/execdetails/execdetails.go index 6f77c32a60496..633654486a36b 100644 --- a/util/execdetails/execdetails.go +++ b/util/execdetails/execdetails.go @@ -16,6 +16,7 @@ package execdetails import ( "bytes" "fmt" + "math" "sort" "strconv" "strings" @@ -23,6 +24,7 @@ import ( "sync/atomic" "time" + "github.com/pingcap/tidb/util/memory" "github.com/pingcap/tipb/go-tipb" "go.uber.org/zap" ) @@ -169,13 +171,24 @@ func (ld *LockKeysDetails) Clone() *LockKeysDetails { // CopDetails contains coprocessor detail information. type CopDetails struct { - TotalKeys int64 - ProcessedKeys int64 + // TotalKeys is the approximate number of MVCC keys meet during scanning. It includes + // deleted versions, but does not include RocksDB tombstone keys. + TotalKeys int64 + // ProcessedKeys is the number of user keys scanned from the storage. + // It does not include deleted version or RocksDB tombstone keys. + // For Coprocessor requests, it includes keys that has been filtered out by Selection. + ProcessedKeys int64 + // RocksdbDeleteSkippedCount is the total number of deletes and single deletes skipped over during + // iteration, i.e. how many RocksDB tombstones are skipped. RocksdbDeleteSkippedCount uint64 - RocksdbKeySkippedCount uint64 + // RocksdbKeySkippedCount it the total number of internal keys skipped over during iteration. + RocksdbKeySkippedCount uint64 + // RocksdbBlockCacheHitCount is the total number of RocksDB block cache hits. RocksdbBlockCacheHitCount uint64 - RocksdbBlockReadCount uint64 - RocksdbBlockReadByte uint64 + // RocksdbBlockReadCount is the total number of block reads (with IO). + RocksdbBlockReadCount uint64 + // RocksdbBlockReadByte is the total number of bytes from block reads. + RocksdbBlockReadByte uint64 } // Merge merges lock keys execution details into self. @@ -435,6 +448,20 @@ func (crs *CopRuntimeStats) GetActRows() (totalRows int64) { return totalRows } +func (crs *CopRuntimeStats) writeField(buf *bytes.Buffer, field string, value int64) { + crs.writeFieldValue(buf, field, strconv.FormatInt(value, 10)) +} + +func (crs *CopRuntimeStats) writeFieldValue(buf *bytes.Buffer, field string, value string) { + bs := buf.Bytes() + if l := len(bs); l > 0 && bs[l-1] != '{' { + buf.WriteString(", ") + } + buf.WriteString(field) + buf.WriteString(": ") + buf.WriteString(value) +} + func (crs *CopRuntimeStats) String() string { if len(crs.stats) == 0 { return "" @@ -451,23 +478,28 @@ func (crs *CopRuntimeStats) String() string { } } - var result string + buf := bytes.NewBuffer(make([]byte, 0, 16)) if totalTasks == 1 { - result += fmt.Sprintf("tikv_task:{time:%v, loops:%d}", procTimes[0], totalIters) + buf.WriteString(fmt.Sprintf("tikv_task:{time:%v, loops:%d}", FormatDuration(procTimes[0]), totalIters)) } else { n := len(procTimes) sort.Slice(procTimes, func(i, j int) bool { return procTimes[i] < procTimes[j] }) - result += fmt.Sprintf("tikv_task:{proc max:%v, min:%v, p80:%v, p95:%v, iters:%v, tasks:%v}", - procTimes[n-1], procTimes[0], procTimes[n*4/5], procTimes[n*19/20], totalIters, totalTasks) + buf.WriteString(fmt.Sprintf("tikv_task:{proc max:%v, min:%v, p80:%v, p95:%v, iters:%v, tasks:%v}", + FormatDuration(procTimes[n-1]), FormatDuration(procTimes[0]), + FormatDuration(procTimes[n*4/5]), FormatDuration(procTimes[n*19/20]), totalIters, totalTasks)) } - if crs.copDetails != nil { - result += fmt.Sprintf(", total_keys:%v, processed_keys:%v, rocksdb:{delete_skipped_count:%v, "+ - "key_skipped_count:%v, block_cache_hit_count:%v, block_read_count:%v, block_read_byte:%v}", - crs.copDetails.TotalKeys, crs.copDetails.ProcessedKeys, - crs.copDetails.RocksdbDeleteSkippedCount, crs.copDetails.RocksdbKeySkippedCount, crs.copDetails.RocksdbBlockCacheHitCount, - crs.copDetails.RocksdbBlockReadCount, crs.copDetails.RocksdbBlockReadByte) + if detail := crs.copDetails; detail != nil { + crs.writeField(buf, "total_keys", detail.TotalKeys) + crs.writeField(buf, "processed_keys", detail.ProcessedKeys) + buf.WriteString(", rocksdb: {") + crs.writeField(buf, "delete_skipped_count", int64(detail.RocksdbDeleteSkippedCount)) + crs.writeField(buf, "key_skipped_count", int64(detail.RocksdbKeySkippedCount)) + crs.writeField(buf, "block_cache_hit_count", int64(detail.RocksdbBlockCacheHitCount)) + crs.writeField(buf, "block_read_count", int64(detail.RocksdbBlockReadCount)) + crs.writeFieldValue(buf, "block_read", memory.FormatBytes(int64(detail.RocksdbBlockReadByte))) + buf.WriteByte('}') } - return result + return buf.String() } const ( @@ -614,7 +646,7 @@ func (e *BasicRuntimeStats) SetRowNum(rowNum int64) { // String implements the RuntimeStats interface. func (e *BasicRuntimeStats) String() string { - return fmt.Sprintf("time:%v, loops:%d", time.Duration(e.consume), e.loop) + return fmt.Sprintf("time:%v, loops:%d", FormatDuration(time.Duration(e.consume)), e.loop) } // GetTime get the int64 total time @@ -858,24 +890,24 @@ func (e *RuntimeStatsWithCommit) String() string { buf.WriteString("commit_txn: {") if e.Commit.PrewriteTime > 0 { buf.WriteString("prewrite:") - buf.WriteString(e.Commit.PrewriteTime.String()) + buf.WriteString(FormatDuration(e.Commit.PrewriteTime)) } if e.Commit.WaitPrewriteBinlogTime > 0 { buf.WriteString(", wait_prewrite_binlog:") - buf.WriteString(e.Commit.WaitPrewriteBinlogTime.String()) + buf.WriteString(FormatDuration(e.Commit.WaitPrewriteBinlogTime)) } if e.Commit.GetCommitTsTime > 0 { buf.WriteString(", get_commit_ts:") - buf.WriteString(e.Commit.GetCommitTsTime.String()) + buf.WriteString(FormatDuration(e.Commit.GetCommitTsTime)) } if e.Commit.CommitTime > 0 { buf.WriteString(", commit:") - buf.WriteString(e.Commit.CommitTime.String()) + buf.WriteString(FormatDuration(e.Commit.CommitTime)) } commitBackoffTime := atomic.LoadInt64(&e.Commit.CommitBackoffTime) if commitBackoffTime > 0 { buf.WriteString(", backoff: {time: ") - buf.WriteString(time.Duration(commitBackoffTime).String()) + buf.WriteString(FormatDuration(time.Duration(commitBackoffTime))) e.Commit.Mu.Lock() if len(e.Commit.Mu.BackoffTypes) > 0 { buf.WriteString(", type: ") @@ -886,7 +918,7 @@ func (e *RuntimeStatsWithCommit) String() string { } if e.Commit.ResolveLockTime > 0 { buf.WriteString(", resolve_lock: ") - buf.WriteString(time.Duration(e.Commit.ResolveLockTime).String()) + buf.WriteString(FormatDuration(time.Duration(e.Commit.ResolveLockTime))) } prewriteRegionNum := atomic.LoadInt32(&e.Commit.PrewriteRegionNum) @@ -915,7 +947,7 @@ func (e *RuntimeStatsWithCommit) String() string { buf.WriteString("lock_keys: {") if e.LockKeys.TotalTime > 0 { buf.WriteString("time:") - buf.WriteString(e.LockKeys.TotalTime.String()) + buf.WriteString(FormatDuration(e.LockKeys.TotalTime)) } if e.LockKeys.RegionNum > 0 { buf.WriteString(", region:") @@ -927,11 +959,11 @@ func (e *RuntimeStatsWithCommit) String() string { } if e.LockKeys.ResolveLockTime > 0 { buf.WriteString(", resolve_lock:") - buf.WriteString(time.Duration(e.LockKeys.ResolveLockTime).String()) + buf.WriteString(FormatDuration(time.Duration(e.LockKeys.ResolveLockTime))) } if e.LockKeys.BackoffTime > 0 { buf.WriteString(", backoff: {time: ") - buf.WriteString(time.Duration(e.LockKeys.BackoffTime).String()) + buf.WriteString(FormatDuration(time.Duration(e.LockKeys.BackoffTime))) e.LockKeys.Mu.Lock() if len(e.LockKeys.Mu.BackoffTypes) > 0 { buf.WriteString(", type: ") @@ -975,3 +1007,41 @@ func (e *RuntimeStatsWithCommit) formatBackoff(backoffTypes []fmt.Stringer) stri sort.Strings(tpArray) return fmt.Sprintf("%v", tpArray) } + +// FormatDuration uses to format duration, this function will prune precision before format duration. +// Pruning precision is for human readability. The prune rule is: +// 1. if the duration was less than 1us, return the original string. +// 2. readable value >=10, keep 1 decimal, otherwise, keep 2 decimal. such as: +// 9.412345ms -> 9.41ms +// 10.412345ms -> 10.4ms +// 5.999s -> 6s +// 100.45µs -> 100.5µs +func FormatDuration(d time.Duration) string { + if d <= time.Microsecond { + return d.String() + } + unit := getUnit(d) + if unit == time.Nanosecond { + return d.String() + } + integer := (d / unit) * unit + decimal := float64(d%unit) / float64(unit) + if d < 10*unit { + decimal = math.Round(decimal*100) / 100 + } else { + decimal = math.Round(decimal*10) / 10 + } + d = integer + time.Duration(decimal*float64(unit)) + return d.String() +} + +func getUnit(d time.Duration) time.Duration { + if d >= time.Second { + return time.Second + } else if d >= time.Millisecond { + return time.Millisecond + } else if d >= time.Microsecond { + return time.Microsecond + } + return time.Nanosecond +} diff --git a/util/execdetails/execdetails_test.go b/util/execdetails/execdetails_test.go index 3a6dfe1272462..e00beca076419 100644 --- a/util/execdetails/execdetails_test.go +++ b/util/execdetails/execdetails_test.go @@ -101,12 +101,12 @@ func TestCopRuntimeStats(t *testing.T) { stats.RecordOneCopTask(aggID, "8.8.8.8", mockExecutorExecutionSummary(3, 3, 3)) stats.RecordOneCopTask(aggID, "8.8.8.9", mockExecutorExecutionSummary(4, 4, 4)) copDetails := &CopDetails{ - TotalKeys: 10, + TotalKeys: 15, ProcessedKeys: 10, - RocksdbDeleteSkippedCount: 10, + RocksdbDeleteSkippedCount: 5, RocksdbKeySkippedCount: 1, RocksdbBlockCacheHitCount: 10, - RocksdbBlockReadCount: 10, + RocksdbBlockReadCount: 20, RocksdbBlockReadByte: 100, } stats.RecordCopDetail(tableScanID, copDetails) @@ -114,9 +114,9 @@ func TestCopRuntimeStats(t *testing.T) { t.Fatal("exist") } cop := stats.GetCopStats(tableScanID) - if cop.String() != "tikv_task:{proc max:2ns, min:1ns, p80:2ns, p95:2ns, iters:3, tasks:2}"+ - ", total_keys:10, processed_keys:10, rocksdb:{delete_skipped_count:10, key_skipped_count:1, block_cache_hit_count:10, block_read_count:10, block_read_byte:100}" { - t.Fatal("table_scan") + if cop.String() != "tikv_task:{proc max:2ns, min:1ns, p80:2ns, p95:2ns, iters:3, tasks:2}, total_keys: 15, "+ + "processed_keys: 10, rocksdb: {delete_skipped_count: 5, key_skipped_count: 1, block_cache_hit_count: 10, block_read_count: 20, block_read: 100 Bytes}" { + t.Fatalf(cop.String()) } copStats := cop.stats["8.8.8.8"] if copStats == nil { @@ -124,7 +124,7 @@ func TestCopRuntimeStats(t *testing.T) { } copStats[0].SetRowNum(10) copStats[0].Record(time.Second, 10) - if copStats[0].String() != "time:1.000000001s, loops:2" { + if copStats[0].String() != "time:1s, loops:2" { t.Fatalf("cop stats string is not expect, got: %v", copStats[0].String()) } @@ -138,6 +138,15 @@ func TestCopRuntimeStats(t *testing.T) { if stats.ExistsRootStats(tableReaderID) == false { t.Fatal("table_reader not exists") } + + cop.copDetails.ProcessedKeys = 0 + cop.copDetails.RocksdbKeySkippedCount = 0 + cop.copDetails.RocksdbBlockReadCount = 0 + // Print all fields even though the value of some fields is 0. + if cop.String() != "tikv_task:{proc max:1s, min:2ns, p80:1s, p95:1s, iters:4, tasks:2}, total_keys: 15, "+ + "processed_keys: 0, rocksdb: {delete_skipped_count: 5, key_skipped_count: 0, block_cache_hit_count: 10, block_read_count: 0, block_read: 100 Bytes}" { + t.Fatalf(cop.String()) + } } func TestCopRuntimeStatsForTiFlash(t *testing.T) { @@ -164,8 +173,8 @@ func TestCopRuntimeStatsForTiFlash(t *testing.T) { } cop := stats.GetCopStats(tableScanID) if cop.String() != "tikv_task:{proc max:2ns, min:1ns, p80:2ns, p95:2ns, iters:3, tasks:2}"+ - ", total_keys:10, processed_keys:10, rocksdb:{delete_skipped_count:10, key_skipped_count:1, block_cache_hit_count:10, block_read_count:10, block_read_byte:100}" { - t.Fatal("table_scan") + ", total_keys: 10, processed_keys: 10, rocksdb: {delete_skipped_count: 10, key_skipped_count: 1, block_cache_hit_count: 10, block_read_count: 10, block_read: 100 Bytes}" { + t.Fatal(cop.String()) } copStats := cop.stats["8.8.8.8"] if copStats == nil { @@ -173,7 +182,7 @@ func TestCopRuntimeStatsForTiFlash(t *testing.T) { } copStats[0].SetRowNum(10) copStats[0].Record(time.Second, 10) - if copStats[0].String() != "time:1.000000001s, loops:2" { + if copStats[0].String() != "time:1s, loops:2" { t.Fatalf("cop stats string is not expect, got: %v", copStats[0].String()) } @@ -287,3 +296,53 @@ func TestRootRuntimeStats(t *testing.T) { t.Fatalf("%v != %v", stats.String(), expect) } } + +func TestFormatDurationForExplain(t *testing.T) { + cases := []struct { + t string + s string + }{ + {"0s", "0s"}, + {"1ns", "1ns"}, + {"9ns", "9ns"}, + {"10ns", "10ns"}, + {"999ns", "999ns"}, + {"1µs", "1µs"}, + {"1.123µs", "1.12µs"}, + {"1.023µs", "1.02µs"}, + {"1.003µs", "1µs"}, + {"10.456µs", "10.5µs"}, + {"10.956µs", "11µs"}, + {"999.056µs", "999.1µs"}, + {"999.988µs", "1ms"}, + {"1.123ms", "1.12ms"}, + {"1.023ms", "1.02ms"}, + {"1.003ms", "1ms"}, + {"10.456ms", "10.5ms"}, + {"10.956ms", "11ms"}, + {"999.056ms", "999.1ms"}, + {"999.988ms", "1s"}, + {"1.123s", "1.12s"}, + {"1.023s", "1.02s"}, + {"1.003s", "1s"}, + {"10.456s", "10.5s"}, + {"10.956s", "11s"}, + {"16m39.056s", "16m39.1s"}, + {"16m39.988s", "16m40s"}, + {"24h16m39.388662s", "24h16m39.4s"}, + {"9.412345ms", "9.41ms"}, + {"10.412345ms", "10.4ms"}, + {"5.999s", "6s"}, + {"100.45µs", "100.5µs"}, + } + for _, ca := range cases { + d, err := time.ParseDuration(ca.t) + if err != nil { + t.Fatalf("%v != %v", err, nil) + } + result := FormatDuration(d) + if result != ca.s { + t.Fatalf("%v != %v", result, ca.s) + } + } +} diff --git a/util/expensivequery/expensivequerey_test.go b/util/expensivequery/expensivequerey_test.go index 0d38a0f2282e8..c061d228e8604 100644 --- a/util/expensivequery/expensivequerey_test.go +++ b/util/expensivequery/expensivequerey_test.go @@ -69,7 +69,7 @@ func (s *testSuite) TestLogFormat(c *C) { c.Assert(logFields[4].Key, Equals, "txn_start_ts") c.Assert(logFields[4].Integer, Equals, int64(23333)) c.Assert(logFields[5].Key, Equals, "mem_max") - c.Assert(logFields[5].String, Equals, "2013265920 Bytes (1.875 GB)") + c.Assert(logFields[5].String, Equals, "2013265920 Bytes (1.88 GB)") c.Assert(logFields[6].Key, Equals, "sql") c.Assert(logFields[6].String, Equals, "select * from table where a > 1") diff --git a/util/expensivequery/expensivequery.go b/util/expensivequery/expensivequery.go index 56010728faa0e..38ef0379183ef 100644 --- a/util/expensivequery/expensivequery.go +++ b/util/expensivequery/expensivequery.go @@ -155,7 +155,7 @@ func genLogFields(costTime time.Duration, info *util.ProcessInfo) []zap.Field { } logFields = append(logFields, zap.Uint64("txn_start_ts", info.CurTxnStartTS)) if memTracker := info.StmtCtx.MemTracker; memTracker != nil { - logFields = append(logFields, zap.String("mem_max", fmt.Sprintf("%d Bytes (%v)", memTracker.MaxConsumed(), memTracker.BytesToString(memTracker.MaxConsumed())))) + logFields = append(logFields, zap.String("mem_max", fmt.Sprintf("%d Bytes (%v)", memTracker.MaxConsumed(), memTracker.FormatBytes(memTracker.MaxConsumed())))) } const logSQLLen = 1024 * 8 diff --git a/util/memory/tracker.go b/util/memory/tracker.go index ebfdd93aae03f..3c369724c229e 100644 --- a/util/memory/tracker.go +++ b/util/memory/tracker.go @@ -17,6 +17,7 @@ import ( "bytes" "fmt" "sort" + "strconv" "sync" "sync/atomic" ) @@ -317,9 +318,9 @@ func (t *Tracker) String() string { func (t *Tracker) toString(indent string, buffer *bytes.Buffer) { fmt.Fprintf(buffer, "%s\"%d\"{\n", indent, t.label) if t.bytesLimit > 0 { - fmt.Fprintf(buffer, "%s \"quota\": %s\n", indent, t.BytesToString(t.bytesLimit)) + fmt.Fprintf(buffer, "%s \"quota\": %s\n", indent, t.FormatBytes(t.bytesLimit)) } - fmt.Fprintf(buffer, "%s \"consumed\": %s\n", indent, t.BytesToString(t.BytesConsumed())) + fmt.Fprintf(buffer, "%s \"consumed\": %s\n", indent, t.FormatBytes(t.BytesConsumed())) t.mu.Lock() labels := make([]int, 0, len(t.mu.children)) @@ -337,24 +338,24 @@ func (t *Tracker) toString(indent string, buffer *bytes.Buffer) { buffer.WriteString(indent + "}\n") } -// BytesToString converts the memory consumption to a readable string. -func (t *Tracker) BytesToString(numBytes int64) string { - return BytesToString(numBytes) +// FormatBytes uses to format bytes, this function will prune precision before format bytes. +func (t *Tracker) FormatBytes(numBytes int64) string { + return FormatBytes(numBytes) } // BytesToString converts the memory consumption to a readable string. func BytesToString(numBytes int64) string { - GB := float64(numBytes) / float64(1<<30) + GB := float64(numBytes) / float64(byteSizeGB) if GB > 1 { return fmt.Sprintf("%v GB", GB) } - MB := float64(numBytes) / float64(1<<20) + MB := float64(numBytes) / float64(byteSizeMB) if MB > 1 { return fmt.Sprintf("%v MB", MB) } - KB := float64(numBytes) / float64(1<<10) + KB := float64(numBytes) / float64(byteSizeKB) if KB > 1 { return fmt.Sprintf("%v KB", KB) } @@ -362,6 +363,43 @@ func BytesToString(numBytes int64) string { return fmt.Sprintf("%v Bytes", numBytes) } +const ( + byteSizeGB = int64(1 << 30) + byteSizeMB = int64(1 << 20) + byteSizeKB = int64(1 << 10) + byteSizeBB = int64(1) +) + +// FormatBytes uses to format bytes, this function will prune precision before format bytes. +func FormatBytes(numBytes int64) string { + if numBytes <= byteSizeKB { + return BytesToString(numBytes) + } + unit, unitStr := getByteUnit(numBytes) + if unit == byteSizeBB { + return BytesToString(numBytes) + } + v := float64(numBytes) / float64(unit) + decimal := 1 + if numBytes%unit == 0 { + decimal = 0 + } else if v < 10 { + decimal = 2 + } + return fmt.Sprintf("%v %s", strconv.FormatFloat(v, 'f', decimal, 64), unitStr) +} + +func getByteUnit(b int64) (int64, string) { + if b > byteSizeGB { + return byteSizeGB, "GB" + } else if b > byteSizeMB { + return byteSizeMB, "MB" + } else if b > byteSizeKB { + return byteSizeKB, "KB" + } + return byteSizeBB, "Bytes" +} + // AttachToGlobalTracker attach the tracker to the global tracker // AttachToGlobalTracker should be called at the initialization for the session executor's tracker func (t *Tracker) AttachToGlobalTracker(globalTracker *Tracker) { diff --git a/util/memory/tracker_test.go b/util/memory/tracker_test.go index 1e5f19ab7cd3a..b265f6db42411 100644 --- a/util/memory/tracker_test.go +++ b/util/memory/tracker_test.go @@ -14,8 +14,11 @@ package memory import ( + "errors" "math/rand" "os" + "strconv" + "strings" "sync" "testing" @@ -234,7 +237,7 @@ func (s *testSuite) TestToString(c *C) { c.Assert(parent.String(), Equals, ` "1"{ - "consumed": 4.00293168798089 GB + "consumed": 4.00 GB "2"{ "quota": 1000 Bytes "consumed": 100 Bytes @@ -328,6 +331,89 @@ func (s *testSuite) TestGlobalTracker(c *C) { } +func (s *testSuite) parseByteUnit(str string) (int64, error) { + u := strings.TrimSpace(str) + switch u { + case "GB": + return byteSizeGB, nil + case "MB": + return byteSizeMB, nil + case "KB": + return byteSizeKB, nil + case "Bytes": + return byteSizeBB, nil + } + return 0, errors.New("invalid byte unit: " + str) +} + +func (s *testSuite) parseByte(str string) (int64, error) { + vBuf := make([]byte, 0, len(str)) + uBuf := make([]byte, 0, 2) + b := int64(0) + for _, v := range str { + if (v >= '0' && v <= '9') || v == '.' { + vBuf = append(vBuf, byte(v)) + } else if v != ' ' { + uBuf = append(uBuf, byte(v)) + } + } + unit, err := s.parseByteUnit(string(uBuf)) + if err != nil { + return 0, err + } + v, err := strconv.ParseFloat(string(vBuf), 64) + if err != nil { + return 0, err + } + b = int64(v * float64(unit)) + return b, nil +} + +func (s *testSuite) TestFormatBytesWithPrune(c *C) { + cases := []struct { + b string + s string + }{ + {"0 Bytes", "0 Bytes"}, + {"1 Bytes", "1 Bytes"}, + {"9 Bytes", "9 Bytes"}, + {"10 Bytes", "10 Bytes"}, + {"999 Bytes", "999 Bytes"}, + {"1 KB", "1024 Bytes"}, + {"1.123 KB", "1.12 KB"}, + {"1.023 KB", "1.02 KB"}, + {"1.003 KB", "1.00 KB"}, + {"10.456 KB", "10.5 KB"}, + {"10.956 KB", "11.0 KB"}, + {"999.056 KB", "999.1 KB"}, + {"999.988 KB", "1000.0 KB"}, + {"1.123 MB", "1.12 MB"}, + {"1.023 MB", "1.02 MB"}, + {"1.003 MB", "1.00 MB"}, + {"10.456 MB", "10.5 MB"}, + {"10.956 MB", "11.0 MB"}, + {"999.056 MB", "999.1 MB"}, + {"999.988 MB", "1000.0 MB"}, + {"1.123 GB", "1.12 GB"}, + {"1.023 GB", "1.02 GB"}, + {"1.003 GB", "1.00 GB"}, + {"10.456 GB", "10.5 GB"}, + {"10.956 GB", "11.0 GB"}, + {"9.412345 MB", "9.41 MB"}, + {"10.412345 MB", "10.4 MB"}, + {"5.999 GB", "6.00 GB"}, + {"100.46 KB", "100.5 KB"}, + {"18.399999618530273 MB", "18.4 MB"}, + {"9.15999984741211 MB", "9.16 MB"}, + } + for _, ca := range cases { + b, err := s.parseByte(ca.b) + c.Assert(err, IsNil) + result := FormatBytes(b) + c.Assert(result, Equals, ca.s, Commentf("input: %v", ca.b)) + } +} + func BenchmarkConsume(b *testing.B) { tracker := NewTracker(1, -1) b.RunParallel(func(pb *testing.PB) { diff --git a/util/plancodec/codec.go b/util/plancodec/codec.go index be300f84771d9..8b928589d80a6 100644 --- a/util/plancodec/codec.go +++ b/util/plancodec/codec.go @@ -16,6 +16,7 @@ package plancodec import ( "bytes" "encoding/base64" + "math" "strconv" "strings" "sync" @@ -320,7 +321,11 @@ func EncodePlanNode(depth, pid int, planType string, rowCount float64, buf.WriteByte(separator) buf.WriteString(taskTypeInfo) buf.WriteByte(separator) - buf.WriteString(strconv.FormatFloat(rowCount, 'f', -1, 64)) + if math.Round(rowCount) == rowCount { + buf.WriteString(strconv.FormatFloat(rowCount, 'f', 0, 64)) + } else { + buf.WriteString(strconv.FormatFloat(rowCount, 'f', 2, 64)) + } buf.WriteByte(separator) buf.WriteString(explainInfo) // Check whether has runtime info. From c201eb7335072ac42b1601d962d182f1ecfd93c7 Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Thu, 26 Nov 2020 17:12:51 +0800 Subject: [PATCH 0314/1021] config, session: keep the default value of mem-quota-query when upgrade from 3.0 to 4.0.9+ (#21305) --- config/config.go | 8 +++- session/bootstrap.go | 30 ++++++++++++++ session/bootstrap_test.go | 82 +++++++++++++++++++++++++++++++++++++++ session/session.go | 39 ++++++++++++++++++- 4 files changed, 157 insertions(+), 2 deletions(-) diff --git a/config/config.go b/config/config.go index cf351e25ccff5..a0457b13737bc 100644 --- a/config/config.go +++ b/config/config.go @@ -36,7 +36,6 @@ import ( "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/versioninfo" tracing "github.com/uber/jaeger-client-go/config" - "go.uber.org/zap" "google.golang.org/grpc/encoding/gzip" ) @@ -835,6 +834,10 @@ func isAllDeprecatedConfigItems(items []string) bool { return true } +// IsMemoryQuotaQuerySetByUser indicates whether the config item mem-quota-query +// is set by the user. +var IsMemoryQuotaQuerySetByUser bool + // InitializeConfig initialize the global config handler. // The function enforceCmdArgs is used to merge the config file with command arguments: // For example, if you start TiDB by the command "./tidb-server --port=3000", the port number should be @@ -890,6 +893,9 @@ func (c *Config) Load(confFile string) error { if c.TokenLimit == 0 { c.TokenLimit = 1000 } + if metaData.IsDefined("mem-quota-query") { + IsMemoryQuotaQuerySetByUser = true + } if len(c.ServerVersion) > 0 { mysql.ServerVersion = c.ServerVersion } diff --git a/session/bootstrap.go b/session/bootstrap.go index 6d77e864c4051..8f972727973d0 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -362,6 +362,9 @@ const ( tidbSystemTZ = "system_tz" // The variable name in mysql.tidb table and it will indicate if the new collations are enabled in the TiDB cluster. tidbNewCollationEnabled = "new_collation_enabled" + // The variable name in mysql.tidb table and it records the default value of + // mem-quota-query when upgrade from v3.0.x to v4.0.9+. + tidbDefMemoryQuotaQuery = "default_memory_quota_query" // Const for TiDB server version 2. version2 = 2 version3 = 3 @@ -429,6 +432,8 @@ const ( version52 = 52 // version53 introduce Global variable tidb_enable_strict_double_type_check version53 = 53 + // version54 writes a variable `mem_quota_query` to mysql.tidb if it's a cluster upgraded from v3.0.x to v4.0.9. + version54 = 54 ) var ( @@ -485,6 +490,7 @@ var ( upgradeToVer51, upgradeToVer52, upgradeToVer53, + upgradeToVer54, } ) @@ -1203,6 +1209,30 @@ func upgradeToVer53(s Session, ver int64) { mustExecute(s, sql) } +func upgradeToVer54(s Session, ver int64) { + if ver >= version54 { + return + } + // The mem-query-quota default value is 32GB by default in v3.0, and 1GB by + // default in v4.0. + // If a cluster is upgraded from v3.0.x (bootstrapVer <= version38) to + // v4.0.9+, we'll write the default value to mysql.tidb. Thus we can get the + // default value of mem-quota-query, and promise the compatibility even if + // the tidb-server restarts. + // If it's a newly deployed cluster, we do not need to write the value into + // mysql.tidb, since no compatibility problem will happen. + if ver <= version38 { + writeMemoryQuotaQuery(s) + } +} + +func writeMemoryQuotaQuery(s Session) { + comment := "memory_quota_query is 32GB by default in v3.0.x, 1GB by default in v4.0.x" + sql := fmt.Sprintf(`INSERT HIGH_PRIORITY INTO %s.%s VALUES ("%s", '%d', '%s') ON DUPLICATE KEY UPDATE VARIABLE_VALUE='%d'`, + mysql.SystemDB, mysql.TiDBTable, tidbDefMemoryQuotaQuery, 32<<30, comment, 32<<30) + mustExecute(s, sql) +} + // updateBootstrapVer updates bootstrap version variable in mysql.TiDB table. func updateBootstrapVer(s Session) { // Update bootstrap version. diff --git a/session/bootstrap_test.go b/session/bootstrap_test.go index 59ffa3b35a971..9bcc842e54d97 100644 --- a/session/bootstrap_test.go +++ b/session/bootstrap_test.go @@ -271,6 +271,88 @@ func (s *testBootstrapSuite) TestUpgrade(c *C) { c.Assert(r.Close(), IsNil) } +func (s *testBootstrapSuite) TestIssue20900_1(c *C) { + ctx := context.Background() + defer testleak.AfterTest(c)() + store, _ := newStoreWithBootstrap(c, s.dbName) + defer store.Close() + + // test issue 20900, upgrade from v3.0 to v4.0.9+ + seV3 := newSession(c, store, s.dbName) + txn, err := store.Begin() + c.Assert(err, IsNil) + m := meta.NewMeta(txn) + err = m.FinishBootstrap(int64(38)) + c.Assert(err, IsNil) + err = txn.Commit(context.Background()) + c.Assert(err, IsNil) + mustExecSQL(c, seV3, "update mysql.tidb set variable_value=38 where variable_name='tidb_server_version'") + mustExecSQL(c, seV3, "delete from mysql.tidb where variable_name='default_memory_quota_query'") + mustExecSQL(c, seV3, "commit") + unsetStoreBootstrapped(store.UUID()) + ver, err := getBootstrapVersion(seV3) + c.Assert(err, IsNil) + c.Assert(ver, Equals, int64(38)) + + domV4, err := BootstrapSession(store) + c.Assert(err, IsNil) + defer domV4.Close() + seV4 := newSession(c, store, s.dbName) + ver, err = getBootstrapVersion(seV4) + c.Assert(err, IsNil) + c.Assert(ver, Equals, int64(currentBootstrapVersion)) + r := mustExecSQL(c, seV4, "select @@tidb_mem_quota_query") + req := r.NewChunk() + r.Next(ctx, req) + c.Assert(req.GetRow(0).GetString(0), Equals, "34359738368") + r = mustExecSQL(c, seV4, "select variable_value from mysql.tidb where variable_name='default_memory_quota_query'") + req = r.NewChunk() + r.Next(ctx, req) + c.Assert(req.GetRow(0).GetString(0), Equals, "34359738368") + c.Assert(seV4.GetSessionVars().MemQuotaQuery, Equals, int64(34359738368)) +} + +func (s *testBootstrapSuite) TestIssue20900_2(c *C) { + ctx := context.Background() + defer testleak.AfterTest(c)() + store, _ := newStoreWithBootstrap(c, s.dbName) + defer store.Close() + + // test issue 20900, upgrade from v4.0.8 to v4.0.9+ + seV3 := newSession(c, store, s.dbName) + txn, err := store.Begin() + c.Assert(err, IsNil) + m := meta.NewMeta(txn) + err = m.FinishBootstrap(int64(52)) + c.Assert(err, IsNil) + err = txn.Commit(context.Background()) + c.Assert(err, IsNil) + mustExecSQL(c, seV3, "update mysql.tidb set variable_value=52 where variable_name='tidb_server_version'") + mustExecSQL(c, seV3, "delete from mysql.tidb where variable_name='default_memory_quota_query'") + mustExecSQL(c, seV3, "commit") + unsetStoreBootstrapped(store.UUID()) + ver, err := getBootstrapVersion(seV3) + c.Assert(err, IsNil) + c.Assert(ver, Equals, int64(52)) + + domV4, err := BootstrapSession(store) + c.Assert(err, IsNil) + defer domV4.Close() + seV4 := newSession(c, store, s.dbName) + ver, err = getBootstrapVersion(seV4) + c.Assert(err, IsNil) + c.Assert(ver, Equals, int64(currentBootstrapVersion)) + r := mustExecSQL(c, seV4, "select @@tidb_mem_quota_query") + req := r.NewChunk() + r.Next(ctx, req) + c.Assert(req.GetRow(0).GetString(0), Equals, "1073741824") + c.Assert(seV4.GetSessionVars().MemQuotaQuery, Equals, int64(1073741824)) + r = mustExecSQL(c, seV4, "select variable_value from mysql.tidb where variable_name='default_memory_quota_query'") + req = r.NewChunk() + r.Next(ctx, req) + c.Assert(req.NumRows(), Equals, 0) +} + func (s *testBootstrapSuite) TestANSISQLMode(c *C) { defer testleak.AfterTest(c)() store, dom := newStoreWithBootstrap(c, s.dbName) diff --git a/session/session.go b/session/session.go index d5d8dfc6db727..5c6b17a38f884 100644 --- a/session/session.go +++ b/session/session.go @@ -46,6 +46,7 @@ import ( "github.com/pingcap/tidb/ddl" "github.com/pingcap/tidb/ddl/placement" "github.com/pingcap/tidb/domain" + "github.com/pingcap/tidb/errno" "github.com/pingcap/tidb/executor" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/kv" @@ -67,6 +68,7 @@ import ( "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/collate" + "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/execdetails" "github.com/pingcap/tidb/util/kvcache" "github.com/pingcap/tidb/util/logutil" @@ -1877,6 +1879,27 @@ func loadCollationParameter(se *session) (bool, error) { return false, nil } +// loadDefMemQuotaQuery loads the default value of mem-quota-query. +// We'll read a tuple if the cluster is upgraded from v3.0.x to v4.0.9+. +// An empty result will be returned if it's a newly deployed cluster whose +// version is v4.0.9. +// See the comment upon the function `upgradeToVer54` for details. +func loadDefMemQuotaQuery(se *session) (int64, error) { + _, err := loadParameter(se, tidbDefMemoryQuotaQuery) + if err != nil { + if err == errResultIsEmpty { + return 1 << 30, nil + } + return 1 << 30, err + } + // If there is a tuple in mysql.tidb, the value must be 32 << 30. + return 32 << 30, nil +} + +var ( + errResultIsEmpty = dbterror.ClassExecutor.NewStd(errno.ErrResultIsEmpty) +) + // loadParameter loads read-only parameter from mysql.tidb func loadParameter(se *session, name string) (string, error) { sql := "select variable_value from mysql.tidb where variable_name = '" + name + "'" @@ -1894,6 +1917,9 @@ func loadParameter(se *session, name string) (string, error) { if err := rss[0].Next(context.Background(), req); err != nil { return "", err } + if req.NumRows() == 0 { + return "", errResultIsEmpty + } return req.GetRow(0).GetString(0), nil } @@ -1941,6 +1967,17 @@ func BootstrapSession(store kv.Storage) (*domain.Domain, error) { collate.EnableNewCollations() } + newMemoryQuotaQuery, err := loadDefMemQuotaQuery(se) + if err != nil { + return nil, err + } + if !config.IsMemoryQuotaQuerySetByUser { + newCfg := *(config.GetGlobalConfig()) + newCfg.MemQuotaQuery = newMemoryQuotaQuery + config.StoreGlobalConfig(&newCfg) + variable.SetSysVar(variable.TIDBMemQuotaQuery, strconv.FormatInt(newCfg.MemQuotaQuery, 10)) + } + dom := domain.GetDomain(se) dom.InitExpensiveQueryHandle() @@ -2095,7 +2132,7 @@ func CreateSessionWithDomain(store kv.Storage, dom *domain.Domain) (*session, er const ( notBootstrapped = 0 - currentBootstrapVersion = version53 + currentBootstrapVersion = version54 ) func getStoreBootstrapVersion(store kv.Storage) int64 { From 55c106afb89b95d5b44d3c2de430d6028d3465f1 Mon Sep 17 00:00:00 2001 From: Yilin Chen Date: Thu, 26 Nov 2020 17:54:01 +0800 Subject: [PATCH 0315/1021] store/tikv: fix async commit amend txn failure with update statement (#21281) Signed-off-by: Yilin Chen --- session/pessimistic_test.go | 42 +++++++++++++++++++++++++++++-------- store/tikv/2pc.go | 17 +++++++++++---- 2 files changed, 46 insertions(+), 13 deletions(-) diff --git a/session/pessimistic_test.go b/session/pessimistic_test.go index e030d0fef52a2..1715aee7b0cf5 100644 --- a/session/pessimistic_test.go +++ b/session/pessimistic_test.go @@ -2025,26 +2025,39 @@ func (s *testPessimisticSuite) TestAsyncCommitWithSchemaChange(c *C) { tk3 := testkit.NewTestKitWithInit(c, s.store) // The txn tk writes something but with failpoint the primary key is not committed. - tk.MustExec("begin optimistic") + tk.MustExec("begin pessimistic") tk.MustExec("insert into tk values(2, 2, 2)") - // Add index for c2 before commit - tk2.MustExec("alter table tk add index k2(c2)") + tk.MustExec("update tk set c2 = 10 where c1 = 1") + ch := make(chan struct{}) + go func() { + // Add index for c2 before commit + tk2.MustExec("alter table tk add index k2(c2)") + ch <- struct{}{} + }() + // sleep 100ms to let add index run first + time.Sleep(100 * time.Millisecond) // key for c2 should be amended tk.MustExec("commit") + <-ch + tk3.MustQuery("select * from tk where c2 = 1").Check(testkit.Rows()) tk3.MustQuery("select * from tk where c2 = 2").Check(testkit.Rows("2 2 2")) + tk3.MustQuery("select * from tk where c2 = 10").Check(testkit.Rows("1 10 1")) tk3.MustExec("admin check table tk") - tk.MustExec("begin optimistic") + tk.MustExec("begin pessimistic") + tk.MustExec("update tk set c3 = 20 where c1 = 2") tk.MustExec("insert into tk values(3, 3, 3)") tk.MustExec("commit") // Add index for c3 after commit tk2.MustExec("alter table tk add index k3(c3)") + tk3.MustQuery("select * from tk where c3 = 2").Check(testkit.Rows()) + tk3.MustQuery("select * from tk where c3 = 20").Check(testkit.Rows("2 2 20")) tk3.MustQuery("select * from tk where c3 = 3").Check(testkit.Rows("3 3 3")) tk3.MustExec("admin check table tk") tk.MustExec("drop table if exists tk") tk.MustExec("create table tk (c1 int primary key, c2 int)") - tk.MustExec("begin optimistic") + tk.MustExec("begin pessimistic") tk.MustExec("insert into tk values(1, 1)") go func() { time.Sleep(200 * time.Millisecond) @@ -2077,19 +2090,30 @@ func (s *testPessimisticSuite) Test1PCWithSchemaChange(c *C) { tk.MustExec("drop table if exists tk") tk.MustExec("create table tk (c1 int primary key, c2 int)") + tk.MustExec("insert into tk values (1, 1)") - tk.MustExec("begin optimistic") + tk.MustExec("begin pessimistic") tk.MustExec("insert into tk values(2, 2)") - // Add index for c2 before commit - tk2.MustExec("alter table tk add index k2(c2)") + tk.MustExec("update tk set c2 = 10 where c1 = 1") + ch := make(chan struct{}) + go func() { + // Add index for c2 before commit + tk2.MustExec("alter table tk add index k2(c2)") + ch <- struct{}{} + }() + // sleep 100ms to let add index run first + time.Sleep(100 * time.Millisecond) // key for c2 should be amended tk.MustExec("commit") + <-ch tk3.MustQuery("select * from tk where c2 = 2").Check(testkit.Rows("2 2")) + tk3.MustQuery("select * from tk where c2 = 1").Check(testkit.Rows()) + tk3.MustQuery("select * from tk where c2 = 10").Check(testkit.Rows("1 10")) tk3.MustExec("admin check table tk") tk.MustExec("drop table if exists tk") tk.MustExec("create table tk (c1 int primary key, c2 int)") - tk.MustExec("begin optimistic") + tk.MustExec("begin pessimistic") tk.MustExec("insert into tk values(1, 1)") go func() { time.Sleep(200 * time.Millisecond) diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index 4647c48dd023b..80b18a2d8782d 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -971,7 +971,7 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { } else if c.isAsyncCommit() { // The error means the async commit should not succeed. if err != nil { - if c.prewriteStarted && c.getUndeterminedErr() == nil { + if c.getUndeterminedErr() == nil { c.cleanup(ctx) } tikvAsyncCommitTxnCounterError.Inc() @@ -984,7 +984,7 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { committed := c.mu.committed undetermined := c.mu.undeterminedErr != nil c.mu.RUnlock() - if c.prewriteStarted && !committed && !undetermined { + if !committed && !undetermined { c.cleanup(ctx) } c.txn.commitTS = c.commitTS @@ -1126,6 +1126,7 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { if c.connID > 0 { failpoint.Inject("beforeSchemaCheck", func() { + c.ttlManager.close() failpoint.Return() }) } @@ -1284,11 +1285,19 @@ func (c *twoPhaseCommitter) tryAmendTxn(ctx context.Context, startInfoSchema Sch memBuf := c.txn.GetMemBuffer() for i := 0; i < addMutations.Len(); i++ { key := addMutations.GetKey(i) - if err := memBuf.Set(key, addMutations.GetValue(i)); err != nil { + op := addMutations.GetOp(i) + var err error + if op == pb.Op_Del { + err = memBuf.Delete(key) + } else { + err = memBuf.Set(key, addMutations.GetValue(i)) + } + if err != nil { + logutil.Logger(ctx).Warn("amend mutations has failed", zap.Error(err), zap.Uint64("txnStartTS", c.startTS)) return false, err } handle := c.txn.GetMemBuffer().IterWithFlags(key, nil).Handle() - c.mutations.Push(addMutations.GetOp(i), addMutations.IsPessimisticLock(i), handle) + c.mutations.Push(op, addMutations.IsPessimisticLock(i), handle) } } return false, nil From cc0e1d46e676e0213ecd5432cce71973f88cc7bb Mon Sep 17 00:00:00 2001 From: huang-b Date: Fri, 27 Nov 2020 14:09:04 +0800 Subject: [PATCH 0316/1021] planner/core, session, sessionctx/variable: add session variable to control the concurrency of shuffle merge join (#21332) --- planner/core/plan.go | 3 +-- session/session.go | 1 + sessionctx/variable/session.go | 19 +++++++++++++++++++ sessionctx/variable/sysvar.go | 1 + sessionctx/variable/tidb_vars.go | 4 ++++ sessionctx/variable/varsutil.go | 2 +- sessionctx/variable/varsutil_test.go | 11 +++++++++++ 7 files changed, 38 insertions(+), 3 deletions(-) diff --git a/planner/core/plan.go b/planner/core/plan.go index 973aa468d8b1c..d09b443a8b0df 100644 --- a/planner/core/plan.go +++ b/planner/core/plan.go @@ -169,8 +169,7 @@ func optimizeByShuffle4StreamAgg(pp *PhysicalStreamAgg, ctx sessionctx.Context) } func optimizeByShuffle4MergeJoin(pp *PhysicalMergeJoin, ctx sessionctx.Context) *PhysicalShuffle { - // TODO: should be configured by a session variable - concurrency := 1 // disable by default + concurrency := ctx.GetSessionVars().MergeJoinConcurrency() if concurrency <= 1 { return nil } diff --git a/session/session.go b/session/session.go index 5c6b17a38f884..7ebb340ead7e7 100644 --- a/session/session.go +++ b/session/session.go @@ -2222,6 +2222,7 @@ var builtinGlobalVariable = []string{ variable.TiDBHashAggPartialConcurrency, variable.TiDBHashAggFinalConcurrency, variable.TiDBWindowConcurrency, + variable.TiDBMergeJoinConcurrency, variable.TiDBStreamAggConcurrency, variable.TiDBExecutorConcurrency, variable.TiDBBackoffLockFast, diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 1369569549d6d..39301f00d8a8e 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -907,6 +907,7 @@ func NewSessionVars() *SessionVars { hashAggPartialConcurrency: DefTiDBHashAggPartialConcurrency, hashAggFinalConcurrency: DefTiDBHashAggFinalConcurrency, windowConcurrency: DefTiDBWindowConcurrency, + mergeJoinConcurrency: DefTiDBMergeJoinConcurrency, streamAggConcurrency: DefTiDBStreamAggConcurrency, ExecutorConcurrency: DefExecutorConcurrency, } @@ -1362,6 +1363,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.hashAggFinalConcurrency = tidbOptPositiveInt32(val, ConcurrencyUnset) case TiDBWindowConcurrency: s.windowConcurrency = tidbOptPositiveInt32(val, ConcurrencyUnset) + case TiDBMergeJoinConcurrency: + s.mergeJoinConcurrency = tidbOptPositiveInt32(val, ConcurrencyUnset) case TiDBStreamAggConcurrency: s.streamAggConcurrency = tidbOptPositiveInt32(val, ConcurrencyUnset) case TiDBDistSQLScanConcurrency: @@ -1727,6 +1730,9 @@ type Concurrency struct { // windowConcurrency is deprecated, use ExecutorConcurrency instead. windowConcurrency int + // mergeJoinConcurrency is the number of concurrent merge join worker + mergeJoinConcurrency int + // streamAggConcurrency is the number of concurrent stream aggregation worker. // streamAggConcurrency is deprecated, use ExecutorConcurrency instead. streamAggConcurrency int @@ -1781,6 +1787,11 @@ func (c *Concurrency) SetWindowConcurrency(n int) { c.windowConcurrency = n } +// SetMergeJoinConcurrency set the number of concurrent merge join worker. +func (c *Concurrency) SetMergeJoinConcurrency(n int) { + c.mergeJoinConcurrency = n +} + // SetStreamAggConcurrency set the number of concurrent stream aggregation worker. func (c *Concurrency) SetStreamAggConcurrency(n int) { c.streamAggConcurrency = n @@ -1852,6 +1863,14 @@ func (c *Concurrency) WindowConcurrency() int { return c.ExecutorConcurrency } +// MergeJoinConcurrency return the number of concurrent merge join worker. +func (c *Concurrency) MergeJoinConcurrency() int { + if c.mergeJoinConcurrency != ConcurrencyUnset { + return c.mergeJoinConcurrency + } + return c.ExecutorConcurrency +} + // StreamAggConcurrency return the number of concurrent stream aggregation worker. func (c *Concurrency) StreamAggConcurrency() int { if c.streamAggConcurrency != ConcurrencyUnset { diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 582027298c3ed..77bd9fb50aedb 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1017,6 +1017,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBHashAggPartialConcurrency, Value: strconv.Itoa(DefTiDBHashAggPartialConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBHashAggFinalConcurrency, Value: strconv.Itoa(DefTiDBHashAggFinalConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBWindowConcurrency, Value: strconv.Itoa(DefTiDBWindowConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBMergeJoinConcurrency, Value: strconv.Itoa(DefTiDBMergeJoinConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBStreamAggConcurrency, Value: strconv.Itoa(DefTiDBStreamAggConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableParallelApply, Value: BoolToOnOff(DefTiDBEnableParallelApply), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBBackoffLockFast, Value: strconv.Itoa(kv.DefBackoffLockFast), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index cb042bfa32097..eae08d465b4e7 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -316,6 +316,9 @@ const ( // tidb_window_concurrency is deprecated, use tidb_executor_concurrency instead. TiDBWindowConcurrency = "tidb_window_concurrency" + // tidb_merge_join_concurrency is used for merge join parallel executor + TiDBMergeJoinConcurrency = "tidb_merge_join_concurrency" + // tidb_stream_agg_concurrency is used for stream aggregation parallel executor. // tidb_stream_agg_concurrency is deprecated, use tidb_executor_concurrency instead. TiDBStreamAggConcurrency = "tidb_streamagg_concurrency" @@ -548,6 +551,7 @@ const ( DefTiDBHashAggPartialConcurrency = ConcurrencyUnset DefTiDBHashAggFinalConcurrency = ConcurrencyUnset DefTiDBWindowConcurrency = ConcurrencyUnset + DefTiDBMergeJoinConcurrency = 1 // disable optimization by default DefTiDBStreamAggConcurrency = 1 DefTiDBForcePriority = mysql.NoPriority DefTiDBUseRadixJoin = false diff --git a/sessionctx/variable/varsutil.go b/sessionctx/variable/varsutil.go index bbe33b7215189..ee72c7f285419 100644 --- a/sessionctx/variable/varsutil.go +++ b/sessionctx/variable/varsutil.go @@ -271,7 +271,7 @@ func CheckDeprecationSetSystemVar(s *SessionVars, name string) { switch name { case TiDBIndexLookupConcurrency, TiDBIndexLookupJoinConcurrency, TiDBHashJoinConcurrency, TiDBHashAggPartialConcurrency, TiDBHashAggFinalConcurrency, - TiDBProjectionConcurrency, TiDBWindowConcurrency, TiDBStreamAggConcurrency: + TiDBProjectionConcurrency, TiDBWindowConcurrency, TiDBMergeJoinConcurrency, TiDBStreamAggConcurrency: s.StmtCtx.AppendWarning(errWarnDeprecatedSyntax.FastGenByArgs(name, TiDBExecutorConcurrency)) case TIDBMemQuotaHashJoin, TIDBMemQuotaMergeJoin, TIDBMemQuotaSort, TIDBMemQuotaTopn, diff --git a/sessionctx/variable/varsutil_test.go b/sessionctx/variable/varsutil_test.go index cfc7dda7b210b..eb2360caab4ec 100644 --- a/sessionctx/variable/varsutil_test.go +++ b/sessionctx/variable/varsutil_test.go @@ -74,12 +74,14 @@ func (s *testVarsutilSuite) TestNewSessionVars(c *C) { c.Assert(vars.hashAggPartialConcurrency, Equals, ConcurrencyUnset) c.Assert(vars.hashAggFinalConcurrency, Equals, ConcurrencyUnset) c.Assert(vars.windowConcurrency, Equals, ConcurrencyUnset) + c.Assert(vars.mergeJoinConcurrency, Equals, DefTiDBMergeJoinConcurrency) c.Assert(vars.streamAggConcurrency, Equals, DefTiDBStreamAggConcurrency) c.Assert(vars.distSQLScanConcurrency, Equals, DefDistSQLScanConcurrency) c.Assert(vars.ProjectionConcurrency(), Equals, DefExecutorConcurrency) c.Assert(vars.HashAggPartialConcurrency(), Equals, DefExecutorConcurrency) c.Assert(vars.HashAggFinalConcurrency(), Equals, DefExecutorConcurrency) c.Assert(vars.WindowConcurrency(), Equals, DefExecutorConcurrency) + c.Assert(vars.MergeJoinConcurrency(), Equals, DefTiDBMergeJoinConcurrency) c.Assert(vars.StreamAggConcurrency(), Equals, DefTiDBStreamAggConcurrency) c.Assert(vars.DistSQLScanConcurrency(), Equals, DefDistSQLScanConcurrency) c.Assert(vars.ExecutorConcurrency, Equals, DefExecutorConcurrency) @@ -667,6 +669,14 @@ func (s *testVarsutilSuite) TestConcurrencyVariables(c *C) { c.Assert(vars.windowConcurrency, Equals, wdConcurrency) c.Assert(vars.WindowConcurrency(), Equals, wdConcurrency) + mjConcurrency := 2 + c.Assert(vars.mergeJoinConcurrency, Equals, DefTiDBMergeJoinConcurrency) + c.Assert(vars.MergeJoinConcurrency(), Equals, DefTiDBMergeJoinConcurrency) + err = SetSessionSystemVar(vars, TiDBMergeJoinConcurrency, types.NewIntDatum(int64(mjConcurrency))) + c.Assert(err, IsNil) + c.Assert(vars.mergeJoinConcurrency, Equals, mjConcurrency) + c.Assert(vars.MergeJoinConcurrency(), Equals, mjConcurrency) + saConcurrency := 2 c.Assert(vars.streamAggConcurrency, Equals, DefTiDBStreamAggConcurrency) c.Assert(vars.StreamAggConcurrency(), Equals, DefTiDBStreamAggConcurrency) @@ -683,6 +693,7 @@ func (s *testVarsutilSuite) TestConcurrencyVariables(c *C) { c.Assert(vars.indexLookupConcurrency, Equals, ConcurrencyUnset) c.Assert(vars.IndexLookupConcurrency(), Equals, exeConcurrency) c.Assert(vars.WindowConcurrency(), Equals, wdConcurrency) + c.Assert(vars.MergeJoinConcurrency(), Equals, mjConcurrency) c.Assert(vars.StreamAggConcurrency(), Equals, saConcurrency) } From b204df70518e7b12ddd17e37572dacacaa3d2fae Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A8=8B=E5=BA=8F=E5=91=98=E5=B0=8F=E7=8E=8B=28troy=29?= Date: Sat, 28 Nov 2020 15:14:59 +0800 Subject: [PATCH 0317/1021] executor: Implement AppendRows for Chunk (#21057) --- executor/distsql.go | 8 +-- executor/distsql_test.go | 12 +++++ executor/index_merge_reader.go | 8 +-- util/chunk/chunk.go | 19 ++++++++ util/chunk/chunk_test.go | 89 ++++++++++++++++++++++++++++++++++ 5 files changed, 130 insertions(+), 6 deletions(-) diff --git a/executor/distsql.go b/executor/distsql.go index 10d246f8c883c..c92b36c6a9595 100644 --- a/executor/distsql.go +++ b/executor/distsql.go @@ -26,6 +26,7 @@ import ( "time" "unsafe" + "github.com/cznic/mathutil" "github.com/pingcap/errors" "github.com/pingcap/parser/charset" "github.com/pingcap/parser/model" @@ -655,9 +656,10 @@ func (e *IndexLookUpExecutor) Next(ctx context.Context, req *chunk.Chunk) error if resultTask == nil { return nil } - for resultTask.cursor < len(resultTask.rows) { - req.AppendRow(resultTask.rows[resultTask.cursor]) - resultTask.cursor++ + if resultTask.cursor < len(resultTask.rows) { + numToAppend := mathutil.Min(len(resultTask.rows)-resultTask.cursor, req.RequiredRows()-req.NumRows()) + req.AppendRows(resultTask.rows[resultTask.cursor : resultTask.cursor+numToAppend]) + resultTask.cursor += numToAppend if req.IsFull() { return nil } diff --git a/executor/distsql_test.go b/executor/distsql_test.go index 088a0f16ec71d..5a48d2e69a621 100644 --- a/executor/distsql_test.go +++ b/executor/distsql_test.go @@ -269,3 +269,15 @@ func (s *testSuite3) TestIndexLookUpStats(c *C) { stats.Merge(stats.Clone()) c.Assert(stats.String(), Equals, "index_task: 4s, table_task: {num: 4, concurrency: 2, time: 4s}") } + +func (s *testSuite3) TestIndexLookUpGetResultChunk(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists tbl") + tk.MustExec("create table tbl(a int, b int, c int, key idx_a(a))") + for i := 0; i < 101; i++ { + tk.MustExec(fmt.Sprintf("insert into tbl values(%d,%d,%d)", i, i, i)) + } + tk.MustQuery("select * from tbl use index(idx_a) where a > 99 order by a asc limit 1").Check(testkit.Rows("100 100 100")) + tk.MustQuery("select * from tbl use index(idx_a) where a > 10 order by a asc limit 4,1").Check(testkit.Rows("15 15 15")) +} diff --git a/executor/index_merge_reader.go b/executor/index_merge_reader.go index 22de3f61dbfbe..6fd911f727b22 100644 --- a/executor/index_merge_reader.go +++ b/executor/index_merge_reader.go @@ -23,6 +23,7 @@ import ( "time" "unsafe" + "github.com/cznic/mathutil" "github.com/pingcap/errors" "github.com/pingcap/failpoint" "github.com/pingcap/parser/model" @@ -490,9 +491,10 @@ func (e *IndexMergeReaderExecutor) Next(ctx context.Context, req *chunk.Chunk) e if resultTask == nil { return nil } - for resultTask.cursor < len(resultTask.rows) { - req.AppendRow(resultTask.rows[resultTask.cursor]) - resultTask.cursor++ + if resultTask.cursor < len(resultTask.rows) { + numToAppend := mathutil.Min(len(resultTask.rows)-resultTask.cursor, e.maxChunkSize-req.NumRows()) + req.AppendRows(resultTask.rows[resultTask.cursor : resultTask.cursor+numToAppend]) + resultTask.cursor += numToAppend if req.NumRows() >= e.maxChunkSize { return nil } diff --git a/util/chunk/chunk.go b/util/chunk/chunk.go index 304d9d6c95202..a4350bd9628e3 100644 --- a/util/chunk/chunk.go +++ b/util/chunk/chunk.go @@ -706,3 +706,22 @@ func (c *Chunk) ToString(ft []*types.FieldType) string { } return string(buf) } + +// AppendRows appends multiple rows to the chunk. +func (c *Chunk) AppendRows(rows []Row) { + c.AppendPartialRows(0, rows) + c.numVirtualRows += len(rows) +} + +// AppendPartialRows appends multiple rows to the chunk. +func (c *Chunk) AppendPartialRows(colOff int, rows []Row) { + columns := c.columns[colOff:] + for i, dstCol := range columns { + for _, srcRow := range rows { + if i == 0 { + c.appendSel(colOff) + } + appendCellByCell(dstCol, srcRow.c.columns[i], srcRow.idx) + } + } +} diff --git a/util/chunk/chunk_test.go b/util/chunk/chunk_test.go index 7bd09ca1e02e7..69e90e1368261 100644 --- a/util/chunk/chunk_test.go +++ b/util/chunk/chunk_test.go @@ -1083,3 +1083,92 @@ func benchmarkChunkGrow(t benchChunkGrowCase) func(b *testing.B) { } } } + +func (s *testChunkSuite) TestAppendRows(c *check.C) { + numCols := 6 + numRows := 10 + chk := newChunk(8, 8, 0, 0, 40, 0) + strFmt := "%d.12345" + for i := 0; i < numRows; i++ { + chk.AppendNull(0) + chk.AppendInt64(1, int64(i)) + str := fmt.Sprintf(strFmt, i) + chk.AppendString(2, str) + chk.AppendBytes(3, []byte(str)) + chk.AppendMyDecimal(4, types.NewDecFromStringForTest(str)) + chk.AppendJSON(5, json.CreateBinary(str)) + } + c.Assert(chk.NumCols(), check.Equals, numCols) + c.Assert(chk.NumRows(), check.Equals, numRows) + + chk2 := newChunk(8, 8, 0, 0, 40, 0) + c.Assert(chk.NumCols(), check.Equals, numCols) + rows := make([]Row, numRows) + for i := 0; i < numRows; i++ { + rows[i] = chk.GetRow(i) + + } + chk2.AppendRows(rows) + for i := 0; i < numRows; i++ { + row := chk2.GetRow(i) + c.Assert(row.GetInt64(0), check.Equals, int64(0)) + c.Assert(row.IsNull(0), check.IsTrue) + c.Assert(row.GetInt64(1), check.Equals, int64(i)) + str := fmt.Sprintf(strFmt, i) + c.Assert(row.IsNull(2), check.IsFalse) + c.Assert(row.GetString(2), check.Equals, str) + c.Assert(row.IsNull(3), check.IsFalse) + c.Assert(row.GetBytes(3), check.BytesEquals, []byte(str)) + c.Assert(row.IsNull(4), check.IsFalse) + c.Assert(row.GetMyDecimal(4).String(), check.Equals, str) + c.Assert(row.IsNull(5), check.IsFalse) + c.Assert(string(row.GetJSON(5).GetString()), check.Equals, str) + } +} + +func BenchmarkBatchAppendRows(b *testing.B) { + b.ReportAllocs() + numRows := 4096 + rowChk := newChunk(8, 8, 0, 0) + for i := 0; i < numRows; i++ { + rowChk.AppendNull(0) + rowChk.AppendInt64(1, 1) + rowChk.AppendString(2, "abcd") + rowChk.AppendBytes(3, []byte("abcd")) + } + chk := newChunk(8, 8, 0, 0) + type testCaseConf struct { + batchSize int + } + testCaseConfs := []testCaseConf{ + {batchSize: 10}, + {batchSize: 100}, + {batchSize: 500}, + {batchSize: 1000}, + {batchSize: 1500}, + {batchSize: 2000}, + {batchSize: 3000}, + {batchSize: 4000}, + } + for _, conf := range testCaseConfs { + b.Run(fmt.Sprintf("row-%d", conf.batchSize), func(b *testing.B) { + for i := 0; i < b.N; i++ { + chk.Reset() + for j := 0; j < conf.batchSize; j++ { + chk.AppendRow(rowChk.GetRow(j)) + } + } + }) + b.ResetTimer() + b.Run(fmt.Sprintf("column-%d", conf.batchSize), func(b *testing.B) { + rows := make([]Row, conf.batchSize) + for i := 0; i < conf.batchSize; i++ { + rows[i] = rowChk.GetRow(i) + } + for i := 0; i < b.N; i++ { + chk.Reset() + chk.AppendRows(rows) + } + }) + } +} From 29a83c2cd86d7f217c2e86e46558933eb6bbbe83 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A8=8B=E5=BA=8F=E5=91=98=E5=B0=8F=E7=8E=8B=28troy=29?= Date: Sun, 29 Nov 2020 16:21:00 +0800 Subject: [PATCH 0318/1021] executor hptc ycsb-worloade: Make use of AppendRows in all cases (#21163) --- executor/adapter.go | 8 +++++--- executor/admin.go | 6 +++++- executor/show.go | 4 +--- executor/sort.go | 13 +++++++++---- util/chunk/chunk_test.go | 1 - 5 files changed, 20 insertions(+), 12 deletions(-) diff --git a/executor/adapter.go b/executor/adapter.go index d52a1a442391e..1252420627469 100644 --- a/executor/adapter.go +++ b/executor/adapter.go @@ -23,6 +23,7 @@ import ( "sync/atomic" "time" + "github.com/cznic/mathutil" "github.com/opentracing/opentracing-go" "github.com/pingcap/errors" "github.com/pingcap/log" @@ -436,9 +437,10 @@ func (c *chunkRowRecordSet) Fields() []*ast.ResultField { func (c *chunkRowRecordSet) Next(ctx context.Context, chk *chunk.Chunk) error { chk.Reset() - for !chk.IsFull() && c.idx < len(c.rows) { - chk.AppendRow(c.rows[c.idx]) - c.idx++ + if !chk.IsFull() && c.idx < len(c.rows) { + numToAppend := mathutil.Min(len(c.rows)-c.idx, chk.RequiredRows()-chk.NumRows()) + chk.AppendRows(c.rows[c.idx : c.idx+numToAppend]) + c.idx += numToAppend } return nil } diff --git a/executor/admin.go b/executor/admin.go index f2f568990699f..85b21894f2759 100644 --- a/executor/admin.go +++ b/executor/admin.go @@ -76,15 +76,19 @@ func (e *CheckIndexRangeExec) Next(ctx context.Context, req *chunk.Chunk) error return nil } iter := chunk.NewIterator4Chunk(e.srcChunk) + appendRows := make([]chunk.Row, 0, e.srcChunk.NumRows()) for row := iter.Begin(); row != iter.End(); row = iter.Next() { handle := row.GetInt64(handleIdx) for _, hr := range e.handleRanges { if handle >= hr.Begin && handle < hr.End { - req.AppendRow(row) + appendRows = append(appendRows, row) break } } } + if len(appendRows) > 0 { + req.AppendRows(appendRows) + } if req.NumRows() > 0 { return nil } diff --git a/executor/show.go b/executor/show.go index 32be7fe2cdf9c..c38e34bd626aa 100644 --- a/executor/show.go +++ b/executor/show.go @@ -292,9 +292,7 @@ func (e *ShowExec) fetchShowEngines() error { if err != nil { return errors.Trace(err) } - for _, row := range rows { - e.result.AppendRow(row) - } + e.result.AppendRows(rows) return nil } diff --git a/executor/sort.go b/executor/sort.go index 5589224abe70b..e35c9b7f58897 100644 --- a/executor/sort.go +++ b/executor/sort.go @@ -19,6 +19,7 @@ import ( "errors" "sort" + "github.com/cznic/mathutil" "github.com/pingcap/failpoint" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/expression" @@ -407,10 +408,14 @@ func (e *TopNExec) Next(ctx context.Context, req *chunk.Chunk) error { if e.Idx >= len(e.rowPtrs) { return nil } - for !req.IsFull() && e.Idx < len(e.rowPtrs) { - row := e.rowChunks.GetRow(e.rowPtrs[e.Idx]) - req.AppendRow(row) - e.Idx++ + if !req.IsFull() { + numToAppend := mathutil.Min(len(e.rowPtrs)-e.Idx, req.RequiredRows()-req.NumRows()) + rows := make([]chunk.Row, numToAppend) + for index := 0; index < numToAppend; index++ { + rows[index] = e.rowChunks.GetRow(e.rowPtrs[e.Idx]) + e.Idx++ + } + req.AppendRows(rows) } return nil } diff --git a/util/chunk/chunk_test.go b/util/chunk/chunk_test.go index 69e90e1368261..2adb5f114ab29 100644 --- a/util/chunk/chunk_test.go +++ b/util/chunk/chunk_test.go @@ -1106,7 +1106,6 @@ func (s *testChunkSuite) TestAppendRows(c *check.C) { rows := make([]Row, numRows) for i := 0; i < numRows; i++ { rows[i] = chk.GetRow(i) - } chk2.AppendRows(rows) for i := 0; i < numRows; i++ { From 0c0e29d363d551427d1e5130d0b1881536e20251 Mon Sep 17 00:00:00 2001 From: Ling Jin Date: Sun, 29 Nov 2020 16:39:16 +0800 Subject: [PATCH 0319/1021] executor, planner: add partitionRangeSplitter for shuffle (#21306) --- executor/builder.go | 17 ++++----- executor/shuffle.go | 39 ++++++++++++++++++++ executor/shuffle_test.go | 67 ++++++++++++++++++++++++++++++++++ planner/core/find_best_task.go | 2 +- planner/core/physical_plans.go | 2 + planner/core/plan.go | 24 ++++++++---- 6 files changed, 133 insertions(+), 18 deletions(-) create mode 100644 executor/shuffle_test.go diff --git a/executor/builder.go b/executor/builder.go index 0d95aea33a3d9..63a311761ddc4 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -3688,21 +3688,20 @@ func (b *executorBuilder) buildShuffle(v *plannercore.PhysicalShuffle) *ShuffleE concurrency: v.Concurrency, } + splitters := make([]partitionSplitter, len(v.ByItemArrays)) switch v.SplitterType { case plannercore.PartitionHashSplitterType: - splitters := make([]partitionSplitter, len(v.ByItemArrays)) - for i, hashByItemArray := range v.ByItemArrays { - hashSplitter := &partitionHashSplitter{ - byItems: hashByItemArray, - numWorkers: shuffle.concurrency, - } - copy(hashSplitter.byItems, hashByItemArray) - splitters[i] = hashSplitter + for i, byItems := range v.ByItemArrays { + splitters[i] = buildPartitionHashSplitter(shuffle.concurrency, byItems) + } + case plannercore.PartitionRangeSplitterType: + for i, byItems := range v.ByItemArrays { + splitters[i] = buildPartitionRangeSplitter(b.ctx, shuffle.concurrency, byItems) } - shuffle.splitters = splitters default: panic("Not implemented. Should not reach here.") } + shuffle.splitters = splitters shuffle.dataSources = make([]Executor, len(v.DataSources)) for i, dataSource := range v.DataSources { diff --git a/executor/shuffle.go b/executor/shuffle.go index 5262313814fb5..973e5664a2bcb 100644 --- a/executor/shuffle.go +++ b/executor/shuffle.go @@ -390,6 +390,7 @@ func (e *shuffleWorker) run(ctx context.Context, waitGroup *sync.WaitGroup) { } var _ partitionSplitter = &partitionHashSplitter{} +var _ partitionSplitter = &partitionRangeSplitter{} type partitionSplitter interface { split(ctx sessionctx.Context, input *chunk.Chunk, workerIndices []int) ([]int, error) @@ -414,3 +415,41 @@ func (s *partitionHashSplitter) split(ctx sessionctx.Context, input *chunk.Chunk } return workerIndices, nil } + +func buildPartitionHashSplitter(concurrency int, byItems []expression.Expression) *partitionHashSplitter { + return &partitionHashSplitter{ + byItems: byItems, + numWorkers: concurrency, + } +} + +type partitionRangeSplitter struct { + byItems []expression.Expression + numWorkers int + groupChecker *vecGroupChecker +} + +func buildPartitionRangeSplitter(ctx sessionctx.Context, concurrency int, byItems []expression.Expression) *partitionRangeSplitter { + return &partitionRangeSplitter{ + byItems: byItems, + numWorkers: concurrency, + groupChecker: newVecGroupChecker(ctx, byItems), + } +} + +func (s *partitionRangeSplitter) split(ctx sessionctx.Context, input *chunk.Chunk, workerIndices []int) ([]int, error) { + _, err := s.groupChecker.splitIntoGroups(input) + if err != nil { + return workerIndices, err + } + + workerIndices = workerIndices[:0] + idx := -1 + for i := 0; i < len(s.groupChecker.sameGroup); i++ { + if !s.groupChecker.sameGroup[i] { + idx = (idx + 1) % s.numWorkers + } + workerIndices = append(workerIndices, idx) + } + return workerIndices, nil +} diff --git a/executor/shuffle_test.go b/executor/shuffle_test.go new file mode 100644 index 0000000000000..59ce06b4e26dc --- /dev/null +++ b/executor/shuffle_test.go @@ -0,0 +1,67 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package executor + +import ( + . "github.com/pingcap/check" + "github.com/pingcap/parser/mysql" + "github.com/pingcap/tidb/expression" + "github.com/pingcap/tidb/types" + "github.com/pingcap/tidb/util/chunk" + "github.com/pingcap/tidb/util/mock" +) + +var _ = SerialSuites(&testPartitionSuite{}) + +type testPartitionSuite struct { +} + +func (s *testPartitionSuite) TestPartitionRangeSplitter(c *C) { + ctx := mock.NewContext() + concurrency := 2 + + tp := &types.FieldType{Tp: mysql.TypeVarchar} + col0 := &expression.Column{ + RetType: tp, + Index: 0, + } + byItems := []expression.Expression{col0} + + input := chunk.New([]*types.FieldType{tp}, 1024, 1024) + input.Reset() + input.Column(0).AppendString("a") + input.Column(0).AppendString("a") + input.Column(0).AppendString("a") + input.Column(0).AppendString("a") + input.Column(0).AppendString("c") + input.Column(0).AppendString("c") + input.Column(0).AppendString("b") + input.Column(0).AppendString("b") + input.Column(0).AppendString("b") + input.Column(0).AppendString("q") + input.Column(0).AppendString("eee") + input.Column(0).AppendString("eee") + input.Column(0).AppendString("ddd") + + expected := []int{0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1} + obtained := make([]int, 0) + + splitter := buildPartitionRangeSplitter(ctx, concurrency, byItems) + obtained, err := splitter.split(ctx, input, obtained) + c.Assert(err, IsNil) + c.Assert(len(obtained), Equals, len(expected)) + for i := 0; i < len(obtained); i++ { + c.Assert(obtained[i], Equals, expected[i]) + } +} diff --git a/planner/core/find_best_task.go b/planner/core/find_best_task.go index 4e72a177d2ec8..c4142d4237338 100644 --- a/planner/core/find_best_task.go +++ b/planner/core/find_best_task.go @@ -257,7 +257,7 @@ func (p *baseLogicalPlan) enumeratePhysicalPlans4Task(physicalPlans []PhysicalPl // Optimize by shuffle executor to running in parallel manner. if prop.IsEmpty() { // Currently, we do not regard shuffled plan as a new plan. - curTask = optimizeByShuffle(pp, curTask, p.basePlan.ctx) + curTask = optimizeByShuffle(curTask, p.basePlan.ctx) } cntPlan += curCntPlan diff --git a/planner/core/physical_plans.go b/planner/core/physical_plans.go index ca6de1729d2e7..3dac095061b01 100644 --- a/planner/core/physical_plans.go +++ b/planner/core/physical_plans.go @@ -1259,6 +1259,8 @@ type PartitionSplitterType int const ( // PartitionHashSplitterType is the splitter splits by hash. PartitionHashSplitterType = iota + // PartitionRangeSplitterType is the splitter that split sorted data into the same range + PartitionRangeSplitterType ) // PhysicalShuffleReceiverStub represents a receiver stub of `PhysicalShuffle`, diff --git a/planner/core/plan.go b/planner/core/plan.go index d09b443a8b0df..b7ba878803947 100644 --- a/planner/core/plan.go +++ b/planner/core/plan.go @@ -80,14 +80,14 @@ func enforceProperty(p *property.PhysicalProperty, tsk task, ctx sessionctx.Cont } // optimizeByShuffle insert `PhysicalShuffle` to optimize performance by running in a parallel manner. -func optimizeByShuffle(pp PhysicalPlan, tsk task, ctx sessionctx.Context) task { +func optimizeByShuffle(tsk task, ctx sessionctx.Context) task { if tsk.plan() == nil { return tsk } // Don't use `tsk.plan()` here, which will probably be different from `pp`. // Eg., when `pp` is `NominalSort`, `tsk.plan()` would be its child. - switch p := pp.(type) { + switch p := tsk.plan().(type) { case *PhysicalWindow: if shuffle := optimizeByShuffle4Window(p, ctx); shuffle != nil { return shuffle.attach2Task(tsk) @@ -149,20 +149,28 @@ func optimizeByShuffle4StreamAgg(pp *PhysicalStreamAgg, ctx sessionctx.Context) return nil } - childExec, ok := pp.Children()[0].(*PhysicalSort) - if !ok { - // Multi-thread executing on SORTED data source is not effective enough by current implementation. - // TODO: Implement a better one. + var ( + splitter PartitionSplitterType + tail, dataSource PhysicalPlan + ) + + switch childExec := pp.Children()[0].(type) { + case *PhysicalSort: + splitter = PartitionHashSplitterType + tail, dataSource = childExec, childExec.Children()[0] + case *PhysicalIndexReader, *PhysicalIndexScan: + splitter = PartitionRangeSplitterType + tail, dataSource = pp, childExec + default: return nil } - tail, dataSource := childExec, childExec.Children()[0] reqProp := &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64} shuffle := PhysicalShuffle{ Concurrency: concurrency, Tails: []PhysicalPlan{tail}, DataSources: []PhysicalPlan{dataSource}, - SplitterType: PartitionHashSplitterType, + SplitterType: splitter, ByItemArrays: [][]expression.Expression{cloneExprs(pp.GroupByItems)}, }.Init(ctx, pp.statsInfo(), pp.SelectBlockOffset(), reqProp) return shuffle From b87849868c2ad8bd536750049628df6a528782fb Mon Sep 17 00:00:00 2001 From: Ling Jin Date: Sun, 29 Nov 2020 22:54:04 +0800 Subject: [PATCH 0320/1021] executor: add benchmark for partitionRangeSplitter (#21363) --- executor/benchmark_test.go | 13 ++++++++++--- executor/shuffle.go | 16 +++++++++++----- planner/core/plan.go | 32 +++++++++++++++++--------------- 3 files changed, 38 insertions(+), 23 deletions(-) diff --git a/executor/benchmark_test.go b/executor/benchmark_test.go index c853325f1717e..ebce9a7d8e2e1 100644 --- a/executor/benchmark_test.go +++ b/executor/benchmark_test.go @@ -301,6 +301,7 @@ func buildStreamAggExecutor(ctx sessionctx.Context, srcExec Executor, schema *ex sg.Init(ctx, nil, 0) var tail core.PhysicalPlan = sg + // if data source is not sorted, we have to attach sort, to make the input of stream-agg sorted if !dataSourceSorted { byItems := make([]*util.ByItems, 0, len(sg.GroupByItems)) for _, col := range sg.GroupByItems { @@ -314,13 +315,19 @@ func buildStreamAggExecutor(ctx sessionctx.Context, srcExec Executor, schema *ex sg.SetChildren(src) } - var plan core.PhysicalPlan + var ( + plan core.PhysicalPlan + splitter core.PartitionSplitterType = core.PartitionHashSplitterType + ) if concurrency > 1 { + if dataSourceSorted { + splitter = core.PartitionRangeSplitterType + } plan = core.PhysicalShuffle{ Concurrency: concurrency, Tails: []core.PhysicalPlan{tail}, DataSources: []core.PhysicalPlan{src}, - SplitterType: core.PartitionHashSplitterType, + SplitterType: splitter, ByItemArrays: [][]expression.Expression{sg.GroupByItems}, }.Init(ctx, nil, 0) plan.SetChildren(sg) @@ -412,7 +419,7 @@ func benchmarkAggExecWithCase(b *testing.B, casTest *aggTestCase) { func BenchmarkShuffleStreamAggRows(b *testing.B) { b.ReportAllocs() - sortTypes := []bool{true} + sortTypes := []bool{false, true} rows := []int{10000, 100000, 1000000, 10000000} concurrencies := []int{1, 2, 4, 8} for _, row := range rows { diff --git a/executor/shuffle.go b/executor/shuffle.go index 973e5664a2bcb..9600d6b1663c6 100644 --- a/executor/shuffle.go +++ b/executor/shuffle.go @@ -427,6 +427,7 @@ type partitionRangeSplitter struct { byItems []expression.Expression numWorkers int groupChecker *vecGroupChecker + idx int } func buildPartitionRangeSplitter(ctx sessionctx.Context, concurrency int, byItems []expression.Expression) *partitionRangeSplitter { @@ -434,9 +435,13 @@ func buildPartitionRangeSplitter(ctx sessionctx.Context, concurrency int, byItem byItems: byItems, numWorkers: concurrency, groupChecker: newVecGroupChecker(ctx, byItems), + idx: 0, } } +// This method is supposed to be used for shuffle with sorted `dataSource` +// the caller of this method should guarantee that `input` is grouped, +// which means that rows with the same byItems should be continuous, the order does not matter. func (s *partitionRangeSplitter) split(ctx sessionctx.Context, input *chunk.Chunk, workerIndices []int) ([]int, error) { _, err := s.groupChecker.splitIntoGroups(input) if err != nil { @@ -444,12 +449,13 @@ func (s *partitionRangeSplitter) split(ctx sessionctx.Context, input *chunk.Chun } workerIndices = workerIndices[:0] - idx := -1 - for i := 0; i < len(s.groupChecker.sameGroup); i++ { - if !s.groupChecker.sameGroup[i] { - idx = (idx + 1) % s.numWorkers + for !s.groupChecker.isExhausted() { + begin, end := s.groupChecker.getNextGroup() + for i := begin; i < end; i++ { + workerIndices = append(workerIndices, s.idx) } - workerIndices = append(workerIndices, idx) + s.idx = (s.idx + 1) % s.numWorkers } + return workerIndices, nil } diff --git a/planner/core/plan.go b/planner/core/plan.go index b7ba878803947..7bb178f85df17 100644 --- a/planner/core/plan.go +++ b/planner/core/plan.go @@ -85,8 +85,6 @@ func optimizeByShuffle(tsk task, ctx sessionctx.Context) task { return tsk } - // Don't use `tsk.plan()` here, which will probably be different from `pp`. - // Eg., when `pp` is `NominalSort`, `tsk.plan()` would be its child. switch p := tsk.plan().(type) { case *PhysicalWindow: if shuffle := optimizeByShuffle4Window(p, ctx); shuffle != nil { @@ -149,28 +147,32 @@ func optimizeByShuffle4StreamAgg(pp *PhysicalStreamAgg, ctx sessionctx.Context) return nil } - var ( - splitter PartitionSplitterType - tail, dataSource PhysicalPlan - ) + sort, ok := pp.Children()[0].(*PhysicalSort) + if !ok { + // Multi-thread executing on SORTED data source is not effective enough by current implementation. + // TODO: Implement a better one. + return nil + } + tail, dataSource := sort, sort.Children()[0] - switch childExec := pp.Children()[0].(type) { - case *PhysicalSort: - splitter = PartitionHashSplitterType - tail, dataSource = childExec, childExec.Children()[0] - case *PhysicalIndexReader, *PhysicalIndexScan: - splitter = PartitionRangeSplitterType - tail, dataSource = pp, childExec - default: + partitionBy := make([]*expression.Column, 0, len(pp.GroupByItems)) + for _, item := range pp.GroupByItems { + if col, ok := item.(*expression.Column); ok { + partitionBy = append(partitionBy, col) + } + } + NDV := int(getCardinality(partitionBy, dataSource.Schema(), dataSource.statsInfo())) + if NDV <= 1 { return nil } + concurrency = mathutil.Min(concurrency, NDV) reqProp := &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64} shuffle := PhysicalShuffle{ Concurrency: concurrency, Tails: []PhysicalPlan{tail}, DataSources: []PhysicalPlan{dataSource}, - SplitterType: splitter, + SplitterType: PartitionHashSplitterType, ByItemArrays: [][]expression.Expression{cloneExprs(pp.GroupByItems)}, }.Init(ctx, pp.statsInfo(), pp.SelectBlockOffset(), reqProp) return shuffle From c9288d246c99073ff04304363dc7234d9caa5090 Mon Sep 17 00:00:00 2001 From: huang-b Date: Sun, 29 Nov 2020 23:11:22 +0800 Subject: [PATCH 0321/1021] executor: add unit test and benchmark for shuffle merge join (#21360) --- executor/benchmark_test.go | 137 ++++++++++++--- executor/merge_join_test.go | 341 ++++++++++++++++++++++++++++++++++++ 2 files changed, 451 insertions(+), 27 deletions(-) diff --git a/executor/benchmark_test.go b/executor/benchmark_test.go index ebce9a7d8e2e1..e95ac82b0c0cc 100644 --- a/executor/benchmark_test.go +++ b/executor/benchmark_test.go @@ -1459,7 +1459,43 @@ type mergeJoinTestCase struct { childrenUsedSchema [][]bool } -func prepare4MergeJoin(tc *mergeJoinTestCase, leftExec, rightExec *mockDataSource) *MergeJoinExec { +func prepareMergeJoinExec(tc *mergeJoinTestCase, joinSchema *expression.Schema, leftExec, rightExec Executor, defaultValues []types.Datum, + compareFuncs []expression.CompareFunc, innerJoinKeys []*expression.Column, outerJoinKeys []*expression.Column) *MergeJoinExec { + // only benchmark inner join + mergeJoinExec := &MergeJoinExec{ + stmtCtx: tc.ctx.GetSessionVars().StmtCtx, + baseExecutor: newBaseExecutor(tc.ctx, joinSchema, 3, leftExec, rightExec), + compareFuncs: compareFuncs, + isOuterJoin: false, + } + + mergeJoinExec.joiner = newJoiner( + tc.ctx, + 0, + false, + defaultValues, + nil, + retTypes(leftExec), + retTypes(rightExec), + tc.childrenUsedSchema, + ) + + mergeJoinExec.innerTable = &mergeJoinTable{ + isInner: true, + childIndex: 1, + joinKeys: innerJoinKeys, + } + + mergeJoinExec.outerTable = &mergeJoinTable{ + childIndex: 0, + filters: nil, + joinKeys: outerJoinKeys, + } + + return mergeJoinExec +} + +func prepare4MergeJoin(tc *mergeJoinTestCase, innerDS, outerDS *mockDataSource, sorted bool, concurrency int) Executor { outerCols, innerCols := tc.columns(), tc.columns() joinSchema := expression.NewSchema() @@ -1496,35 +1532,82 @@ func prepare4MergeJoin(tc *mergeJoinTestCase, leftExec, rightExec *mockDataSourc defaultValues := make([]types.Datum, len(innerCols)) - // only benchmark inner join - e := &MergeJoinExec{ - stmtCtx: tc.ctx.GetSessionVars().StmtCtx, - baseExecutor: newBaseExecutor(tc.ctx, joinSchema, 3, leftExec, rightExec), - compareFuncs: compareFuncs, - isOuterJoin: false, + var leftExec, rightExec Executor + if sorted { + leftSortExec := &SortExec{ + baseExecutor: newBaseExecutor(tc.ctx, innerDS.schema, 3, innerDS), + ByItems: make([]*util.ByItems, 0, len(tc.innerJoinKeyIdx)), + schema: innerDS.schema, + } + for _, key := range innerJoinKeys { + leftSortExec.ByItems = append(leftSortExec.ByItems, &util.ByItems{Expr: key}) + } + leftExec = leftSortExec + + rightSortExec := &SortExec{ + baseExecutor: newBaseExecutor(tc.ctx, outerDS.schema, 4, outerDS), + ByItems: make([]*util.ByItems, 0, len(tc.outerJoinKeyIdx)), + schema: outerDS.schema, + } + for _, key := range outerJoinKeys { + rightSortExec.ByItems = append(rightSortExec.ByItems, &util.ByItems{Expr: key}) + } + rightExec = rightSortExec + } else { + leftExec = innerDS + rightExec = outerDS } - e.joiner = newJoiner( - tc.ctx, - 0, - false, - defaultValues, - nil, - retTypes(leftExec), - retTypes(rightExec), - tc.childrenUsedSchema, - ) + var e Executor + if concurrency == 1 { + e = prepareMergeJoinExec(tc, joinSchema, leftExec, rightExec, defaultValues, compareFuncs, innerJoinKeys, outerJoinKeys) + } else { + // build dataSources + dataSources := []Executor{leftExec, rightExec} + // build splitters + innerByItems := make([]expression.Expression, 0, len(innerJoinKeys)) + for _, innerJoinKey := range innerJoinKeys { + innerByItems = append(innerByItems, innerJoinKey) + } + outerByItems := make([]expression.Expression, 0, len(outerJoinKeys)) + for _, outerJoinKey := range outerJoinKeys { + outerByItems = append(outerByItems, outerJoinKey) + } + splitters := []partitionSplitter{ + &partitionHashSplitter{ + byItems: innerByItems, + numWorkers: concurrency, + }, + &partitionHashSplitter{ + byItems: outerByItems, + numWorkers: concurrency, + }, + } + // build ShuffleMergeJoinExec + shuffle := &ShuffleExec{ + baseExecutor: newBaseExecutor(tc.ctx, joinSchema, 4), + concurrency: concurrency, + dataSources: dataSources, + splitters: splitters, + } - e.innerTable = &mergeJoinTable{ - isInner: true, - childIndex: 1, - joinKeys: innerJoinKeys, - } + // build workers, only benchmark inner join + shuffle.workers = make([]*shuffleWorker, shuffle.concurrency) + for i := range shuffle.workers { + leftReceiver := shuffleReceiver{ + baseExecutor: newBaseExecutor(tc.ctx, leftExec.Schema(), 0), + } + rightReceiver := shuffleReceiver{ + baseExecutor: newBaseExecutor(tc.ctx, rightExec.Schema(), 0), + } + w := &shuffleWorker{ + receivers: []*shuffleReceiver{&leftReceiver, &rightReceiver}, + } + w.childExec = prepareMergeJoinExec(tc, joinSchema, &leftReceiver, &rightReceiver, defaultValues, compareFuncs, innerJoinKeys, outerJoinKeys) - e.outerTable = &mergeJoinTable{ - childIndex: 0, - filters: nil, - joinKeys: outerJoinKeys, + shuffle.workers[i] = w + } + e = shuffle } return e @@ -1612,7 +1695,7 @@ func benchmarkMergeJoinExecWithCase(b *testing.B, tc *mergeJoinTestCase, innerDS var exec Executor switch joinType { case innerMergeJoin: - exec = prepare4MergeJoin(tc, innerDS, outerDS) + exec = prepare4MergeJoin(tc, innerDS, outerDS, true, 2) } tmpCtx := context.Background() diff --git a/executor/merge_join_test.go b/executor/merge_join_test.go index 595871351f430..bf746576b143d 100644 --- a/executor/merge_join_test.go +++ b/executor/merge_join_test.go @@ -241,6 +241,43 @@ func checkPlanAndRun(tk *testkit.TestKit, c *C, plan string, sql string) *testki return tk.MustQuery(sql) } +func (s *testSerialSuite1) TestShuffleMergeJoinInDisk(c *C) { + defer config.RestoreFunc()() + config.UpdateGlobal(func(conf *config.Config) { + conf.OOMUseTmpStorage = true + }) + + c.Assert(failpoint.Enable("github.com/pingcap/tidb/executor/testMergeJoinRowContainerSpill", "return(true)"), IsNil) + defer func() { + c.Assert(failpoint.Disable("github.com/pingcap/tidb/executor/testMergeJoinRowContainerSpill"), IsNil) + }() + + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + + sm := &mockSessionManager1{ + PS: make([]*util.ProcessInfo, 0), + } + tk.Se.SetSessionManager(sm) + s.domain.ExpensiveQueryHandle().SetSessionManager(sm) + + tk.MustExec("set @@tidb_mem_quota_query=1;") + tk.MustExec("set @@tidb_merge_join_concurrency=4;") + tk.MustExec("drop table if exists t") + tk.MustExec("drop table if exists t1") + tk.MustExec("create table t(c1 int, c2 int)") + tk.MustExec("create table t1(c1 int, c2 int)") + tk.MustExec("insert into t values(1,1)") + tk.MustExec("insert into t1 values(1,3),(4,4)") + + result := checkMergeAndRun(tk, c, "select /*+ TIDB_SMJ(t) */ * from t1 left outer join t on t.c1 = t1.c1 where t.c1 = 1 or t1.c2 > 20") + result.Check(testkit.Rows("1 3 1 1")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.MemTracker.BytesConsumed(), Equals, int64(0)) + c.Assert(tk.Se.GetSessionVars().StmtCtx.MemTracker.MaxConsumed(), Greater, int64(0)) + c.Assert(tk.Se.GetSessionVars().StmtCtx.DiskTracker.BytesConsumed(), Equals, int64(0)) + c.Assert(tk.Se.GetSessionVars().StmtCtx.DiskTracker.MaxConsumed(), Greater, int64(0)) + return +} func (s *testSerialSuite1) TestMergeJoinInDisk(c *C) { defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { @@ -438,6 +475,167 @@ func (s *testSuite2) TestMergeJoin(c *C) { "4", "3", "2", "1")) } +func (s *testSuite2) TestShuffleMergeJoin(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@session.tidb_merge_join_concurrency = 4;") + + tk.MustExec("drop table if exists t") + tk.MustExec("drop table if exists t1") + tk.MustExec("create table t(c1 int, c2 int)") + tk.MustExec("create table t1(c1 int, c2 int)") + tk.MustExec("insert into t values(1,1),(2,2)") + tk.MustExec("insert into t1 values(2,3),(4,4)") + + result := checkMergeAndRun(tk, c, "select /*+ TIDB_SMJ(t) */ * from t left outer join t1 on t.c1 = t1.c1 where t.c1 = 1 or t1.c2 > 20") + result.Check(testkit.Rows("1 1 ")) + result = checkMergeAndRun(tk, c, "select /*+ TIDB_SMJ(t) */ * from t1 right outer join t on t.c1 = t1.c1 where t.c1 = 1 or t1.c2 > 20") + result.Check(testkit.Rows(" 1 1")) + result = checkMergeAndRun(tk, c, "select /*+ TIDB_SMJ(t) */ * from t right outer join t1 on t.c1 = t1.c1 where t.c1 = 1 or t1.c2 > 20") + result.Check(testkit.Rows()) + result = checkMergeAndRun(tk, c, "select /*+ TIDB_SMJ(t) */ * from t left outer join t1 on t.c1 = t1.c1 where t1.c1 = 3 or false") + result.Check(testkit.Rows()) + result = checkMergeAndRun(tk, c, "select /*+ TIDB_SMJ(t) */ * from t left outer join t1 on t.c1 = t1.c1 and t.c1 != 1 order by t1.c1") + result.Check(testkit.Rows("1 1 ", "2 2 2 3")) + + tk.MustExec("drop table if exists t1") + tk.MustExec("drop table if exists t2") + tk.MustExec("drop table if exists t3") + + tk.MustExec("create table t1 (c1 int, c2 int)") + tk.MustExec("create table t2 (c1 int, c2 int)") + tk.MustExec("create table t3 (c1 int, c2 int)") + + tk.MustExec("insert into t1 values (1,1), (2,2), (3,3)") + tk.MustExec("insert into t2 values (1,1), (3,3), (5,5)") + tk.MustExec("insert into t3 values (1,1), (5,5), (9,9)") + + result = tk.MustQuery("select /*+ TIDB_SMJ(t1,t2,t3) */ * from t1 left join t2 on t1.c1 = t2.c1 right join t3 on t2.c1 = t3.c1 order by t1.c1, t1.c2, t2.c1, t2.c2, t3.c1, t3.c2;") + result.Check(testkit.Rows(" 5 5", " 9 9", "1 1 1 1 1 1")) + + tk.MustExec("drop table if exists t1") + tk.MustExec("create table t1 (c1 int)") + tk.MustExec("insert into t1 values (1), (1), (1)") + result = tk.MustQuery("select/*+ TIDB_SMJ(t) */ * from t1 a join t1 b on a.c1 = b.c1;") + result.Check(testkit.Rows("1 1", "1 1", "1 1", "1 1", "1 1", "1 1", "1 1", "1 1", "1 1")) + + tk.MustExec("drop table if exists t") + tk.MustExec("drop table if exists t1") + tk.MustExec("create table t(c1 int, index k(c1))") + tk.MustExec("create table t1(c1 int)") + tk.MustExec("insert into t values (1),(2),(3),(4),(5),(6),(7)") + tk.MustExec("insert into t1 values (1),(2),(3),(4),(5),(6),(7)") + result = tk.MustQuery("select /*+ TIDB_SMJ(a,b) */ a.c1 from t a , t1 b where a.c1 = b.c1 order by a.c1;") + result.Check(testkit.Rows("1", "2", "3", "4", "5", "6", "7")) + result = tk.MustQuery("select /*+ TIDB_SMJ(a, b) */ a.c1 from t a , (select * from t1 limit 3) b where a.c1 = b.c1 order by b.c1;") + result.Check(testkit.Rows("1", "2", "3")) + // Test LogicalSelection under LogicalJoin. + result = tk.MustQuery("select /*+ TIDB_SMJ(a, b) */ a.c1 from t a , (select * from t1 limit 3) b where a.c1 = b.c1 and b.c1 is not null order by b.c1;") + result.Check(testkit.Rows("1", "2", "3")) + tk.MustExec("begin;") + // Test LogicalLock under LogicalJoin. + result = tk.MustQuery("select /*+ TIDB_SMJ(a, b) */ a.c1 from t a , (select * from t1 for update) b where a.c1 = b.c1 order by a.c1;") + result.Check(testkit.Rows("1", "2", "3", "4", "5", "6", "7")) + // Test LogicalUnionScan under LogicalJoin. + tk.MustExec("insert into t1 values(8);") + result = tk.MustQuery("select /*+ TIDB_SMJ(a, b) */ a.c1 from t a , t1 b where a.c1 = b.c1;") + result.Check(testkit.Rows("1", "2", "3", "4", "5", "6", "7")) + tk.MustExec("rollback;") + + tk.MustExec("drop table if exists t") + tk.MustExec("drop table if exists t1") + tk.MustExec("create table t(c1 int)") + tk.MustExec("create table t1(c1 int unsigned)") + tk.MustExec("insert into t values (1)") + tk.MustExec("insert into t1 values (1)") + result = tk.MustQuery("select /*+ TIDB_SMJ(t,t1) */ t.c1 from t , t1 where t.c1 = t1.c1") + result.Check(testkit.Rows("1")) + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int, b int, index a(a), index b(b))") + tk.MustExec("insert into t values(1, 2)") + tk.MustQuery("select /*+ TIDB_SMJ(t, t1) */ t.a, t1.b from t right join t t1 on t.a = t1.b order by t.a").Check(testkit.Rows(" 2")) + + tk.MustExec("drop table if exists t") + tk.MustExec("drop table if exists s") + tk.MustExec("create table t(a int, b int, primary key(a, b))") + tk.MustExec("insert into t value(1,1),(1,2),(1,3),(1,4)") + tk.MustExec("create table s(a int, primary key(a))") + tk.MustExec("insert into s value(1)") + tk.MustQuery("select /*+ TIDB_SMJ(t, s) */ count(*) from t join s on t.a = s.a").Check(testkit.Rows("4")) + + // Test TIDB_SMJ for cartesian product. + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int)") + tk.MustExec("insert into t value(1),(2)") + tk.MustQuery("explain select /*+ TIDB_SMJ(t1, t2) */ * from t t1 join t t2 order by t1.a, t2.a").Check(testkit.Rows( + "Sort_6 100000000.00 root test.t.a, test.t.a", + "└─MergeJoin_9 100000000.00 root inner join", + " ├─TableReader_13(Build) 10000.00 root data:TableFullScan_12", + " │ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_11(Probe) 10000.00 root data:TableFullScan_10", + " └─TableFullScan_10 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + )) + tk.MustQuery("select /*+ TIDB_SMJ(t1, t2) */ * from t t1 join t t2 order by t1.a, t2.a").Check(testkit.Rows( + "1 1", + "1 2", + "2 1", + "2 2", + )) + + tk.MustExec("drop table if exists t") + tk.MustExec("drop table if exists s") + tk.MustExec("create table t(a int, b int)") + tk.MustExec("insert into t values(1,1),(1,2)") + tk.MustExec("create table s(a int, b int)") + tk.MustExec("insert into s values(1,1)") + tk.MustQuery("explain select /*+ TIDB_SMJ(t, s) */ a in (select a from s where s.b >= t.b) from t").Check(testkit.Rows( + "MergeJoin_8 10000.00 root left outer semi join, other cond:eq(test.t.a, test.s.a), ge(test.s.b, test.t.b)", + "├─TableReader_12(Build) 10000.00 root data:TableFullScan_11", + "│ └─TableFullScan_11 10000.00 cop[tikv] table:s keep order:false, stats:pseudo", + "└─TableReader_10(Probe) 10000.00 root data:TableFullScan_9", + " └─TableFullScan_9 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", + )) + tk.MustQuery("select /*+ TIDB_SMJ(t, s) */ a in (select a from s where s.b >= t.b) from t").Check(testkit.Rows( + "1", + "0", + )) + + // Test TIDB_SMJ for join with order by desc, see https://github.com/pingcap/tidb/issues/14483 + tk.MustExec("drop table if exists t") + tk.MustExec("drop table if exists t1") + tk.MustExec("create table t (a int, key(a))") + tk.MustExec("create table t1 (a int, key(a))") + tk.MustExec("insert into t values (1), (2), (3)") + tk.MustExec("insert into t1 values (1), (2), (3)") + tk.MustQuery("select /*+ TIDB_SMJ(t1, t2) */ t.a from t, t1 where t.a = t1.a order by t1.a desc").Check(testkit.Rows( + "3", "2", "1")) + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int, b int, key(a), key(b))") + tk.MustExec("insert into t values (1,1),(1,2),(1,3),(2,1),(2,2),(3,1),(3,2),(3,3)") + tk.MustQuery("select /*+ TIDB_SMJ(t1, t2) */ t1.a from t t1, t t2 where t1.a = t2.b order by t1.a desc").Check(testkit.Rows( + "3", "3", "3", "3", "3", "3", + "2", "2", "2", "2", "2", "2", + "1", "1", "1", "1", "1", "1", "1", "1", "1")) + + tk.MustExec("drop table if exists s") + tk.MustExec("create table s (a int)") + tk.MustExec("insert into s values (4), (1), (3), (2)") + tk.MustQuery("explain select s1.a1 from (select a as a1 from s order by s.a desc) as s1 join (select a as a2 from s order by s.a desc) as s2 on s1.a1 = s2.a2 order by s1.a1 desc").Check(testkit.Rows( + "MergeJoin_28 12487.50 root inner join, left key:test.s.a, right key:test.s.a", + "├─Sort_31(Build) 9990.00 root test.s.a:desc", + "│ └─TableReader_26 9990.00 root data:Selection_25", + "│ └─Selection_25 9990.00 cop[tikv] not(isnull(test.s.a))", + "│ └─TableFullScan_24 10000.00 cop[tikv] table:s keep order:false, stats:pseudo", + "└─Sort_29(Probe) 9990.00 root test.s.a:desc", + " └─TableReader_21 9990.00 root data:Selection_20", + " └─Selection_20 9990.00 cop[tikv] not(isnull(test.s.a))", + " └─TableFullScan_19 10000.00 cop[tikv] table:s keep order:false, stats:pseudo", + )) + tk.MustQuery("select s1.a1 from (select a as a1 from s order by s.a desc) as s1 join (select a as a2 from s order by s.a desc) as s2 on s1.a1 = s2.a2 order by s1.a1 desc").Check(testkit.Rows( + "4", "3", "2", "1")) +} + func (s *testSuite2) Test3WaysMergeJoin(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") @@ -463,6 +661,32 @@ func (s *testSuite2) Test3WaysMergeJoin(c *C) { result.Check(testkit.Rows("2 2 2 3 2 4", "3 3 3 4 3 10")) } +func (s *testSuite2) Test3WaysShuffleMergeJoin(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@session.tidb_merge_join_concurrency = 4;") + + tk.MustExec("drop table if exists t1") + tk.MustExec("drop table if exists t2") + tk.MustExec("drop table if exists t3") + tk.MustExec("create table t1(c1 int, c2 int, PRIMARY KEY (c1))") + tk.MustExec("create table t2(c1 int, c2 int, PRIMARY KEY (c1))") + tk.MustExec("create table t3(c1 int, c2 int, PRIMARY KEY (c1))") + tk.MustExec("insert into t1 values(1,1),(2,2),(3,3)") + tk.MustExec("insert into t2 values(2,3),(3,4),(4,5)") + tk.MustExec("insert into t3 values(1,2),(2,4),(3,10)") + result := checkPlanAndRun(tk, c, plan1, "select /*+ TIDB_SMJ(t1,t2,t3) */ * from t1 join t2 on t1.c1 = t2.c1 join t3 on t2.c1 = t3.c1 order by 1") + result.Check(testkit.Rows("2 2 2 3 2 4", "3 3 3 4 3 10")) + + result = checkPlanAndRun(tk, c, plan2, "select /*+ TIDB_SMJ(t1,t2,t3) */ * from t1 right outer join t2 on t1.c1 = t2.c1 join t3 on t2.c1 = t3.c1 order by 1") + result.Check(testkit.Rows("2 2 2 3 2 4", "3 3 3 4 3 10")) + + // In below case, t1 side filled with null when no matched join, so that order is not kept and sort appended + // On the other hand, t1 order kept so no final sort appended + result = checkPlanAndRun(tk, c, plan3, "select /*+ TIDB_SMJ(t1,t2,t3) */ * from t1 right outer join t2 on t1.c1 = t2.c1 join t3 on t1.c1 = t3.c1 order by 1") + result.Check(testkit.Rows("2 2 2 3 2 4", "3 3 3 4 3 10")) +} + func (s *testSuite2) TestMergeJoinDifferentTypes(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("set @@session.tidb_executor_concurrency = 4;") @@ -597,6 +821,105 @@ func (s *testSuiteJoin3) TestVectorizedMergeJoin(c *C) { } } +// TestVectorizedShuffleMergeJoin is used to test vectorized shuffle merge join with some corner cases. +func (s *testSuiteJoin3) TestVectorizedShuffleMergeJoin(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("set @@session.tidb_merge_join_concurrency = 4;") + tk.MustExec("use test") + tk.MustExec("drop table if exists t1") + tk.MustExec("drop table if exists t2") + tk.MustExec("create table t1 (a int, b int)") + tk.MustExec("create table t2 (a int, b int)") + runTest := func(t1, t2 []int) { + tk.MustExec("truncate table t1") + tk.MustExec("truncate table t2") + insert := func(tName string, ts []int) { + for i, n := range ts { + if n == 0 { + continue + } + var buf bytes.Buffer + buf.WriteString(fmt.Sprintf("insert into %v values ", tName)) + for j := 0; j < n; j++ { + if j > 0 { + buf.WriteString(", ") + } + buf.WriteString(fmt.Sprintf("(%v, %v)", i, rand.Intn(10))) + } + tk.MustExec(buf.String()) + } + } + insert("t1", t1) + insert("t2", t2) + + tk.MustQuery("explain select /*+ TIDB_SMJ(t1, t2) */ * from t1, t2 where t1.a=t2.a and t1.b>5 and t2.b<5").Check(testkit.Rows( + `Shuffle_16 4150.01 root execution info: concurrency:4, data sources:[TableReader_10 TableReader_14]`, + `└─MergeJoin_7 4150.01 root inner join, left key:test.t1.a, right key:test.t2.a`, + ` ├─Sort_15(Build) 3320.01 root test.t2.a`, + ` │ └─TableReader_14 3320.01 root data:Selection_13`, + ` │ └─Selection_13 3320.01 cop[tikv] lt(test.t2.b, 5), not(isnull(test.t2.a))`, + ` │ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo`, + ` └─Sort_11(Probe) 3330.00 root test.t1.a`, + ` └─TableReader_10 3330.00 root data:Selection_9`, + ` └─Selection_9 3330.00 cop[tikv] gt(test.t1.b, 5), not(isnull(test.t1.a))`, + ` └─TableFullScan_8 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo`, + )) + tk.MustQuery("explain select /*+ TIDB_HJ(t1, t2) */ * from t1, t2 where t1.a=t2.a and t1.b>5 and t2.b<5").Check(testkit.Rows( + `HashJoin_7 4150.01 root inner join, equal:[eq(test.t1.a, test.t2.a)]`, + `├─TableReader_14(Build) 3320.01 root data:Selection_13`, + `│ └─Selection_13 3320.01 cop[tikv] lt(test.t2.b, 5), not(isnull(test.t2.a))`, + `│ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo`, + `└─TableReader_11(Probe) 3330.00 root data:Selection_10`, + ` └─Selection_10 3330.00 cop[tikv] gt(test.t1.b, 5), not(isnull(test.t1.a))`, + ` └─TableFullScan_9 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo`, + )) + + r1 := tk.MustQuery("select /*+ TIDB_SMJ(t1, t2) */ * from t1, t2 where t1.a=t2.a and t1.b>5 and t2.b<5").Sort() + r2 := tk.MustQuery("select /*+ TIDB_HJ(t1, t2) */ * from t1, t2 where t1.a=t2.a and t1.b>5 and t2.b<5").Sort() + c.Assert(len(r1.Rows()), Equals, len(r2.Rows())) + + i := 0 + n := len(r1.Rows()) + for i < n { + c.Assert(len(r1.Rows()[i]), Equals, len(r2.Rows()[i])) + for j := range r1.Rows()[i] { + c.Assert(r1.Rows()[i][j], Equals, r2.Rows()[i][j]) + } + i += rand.Intn((n-i)/5+1) + 1 // just compare parts of results to speed up + } + } + + tk.Se.GetSessionVars().MaxChunkSize = variable.DefInitChunkSize + chunkSize := tk.Se.GetSessionVars().MaxChunkSize + cases := []struct { + t1 []int + t2 []int + }{ + {[]int{0}, []int{chunkSize}}, + {[]int{0}, []int{chunkSize - 1}}, + {[]int{0}, []int{chunkSize + 1}}, + {[]int{1}, []int{chunkSize}}, + {[]int{1}, []int{chunkSize - 1}}, + {[]int{1}, []int{chunkSize + 1}}, + {[]int{chunkSize - 1}, []int{chunkSize}}, + {[]int{chunkSize - 1}, []int{chunkSize - 1}}, + {[]int{chunkSize - 1}, []int{chunkSize + 1}}, + {[]int{chunkSize}, []int{chunkSize}}, + {[]int{chunkSize}, []int{chunkSize - 1}}, + {[]int{chunkSize}, []int{chunkSize + 1}}, + {[]int{chunkSize + 1}, []int{chunkSize}}, + {[]int{chunkSize + 1}, []int{chunkSize - 1}}, + {[]int{chunkSize + 1}, []int{chunkSize + 1}}, + {[]int{1, 1, 1}, []int{chunkSize + 1, chunkSize*5 + 5, chunkSize - 5}}, + {[]int{0, 0, chunkSize}, []int{chunkSize + 1, chunkSize*5 + 5, chunkSize - 5}}, + {[]int{chunkSize + 1, 0, chunkSize}, []int{chunkSize + 1, chunkSize*5 + 5, chunkSize - 5}}, + } + for _, ca := range cases { + runTest(ca.t1, ca.t2) + runTest(ca.t2, ca.t1) + } +} + func (s *testSuite2) TestMergeJoinWithOtherConditions(c *C) { // more than one inner tuple should be filtered on other conditions tk := testkit.NewTestKit(c, s.store) @@ -613,3 +936,21 @@ func (s *testSuite2) TestMergeJoinWithOtherConditions(c *C) { `2`, )) } + +func (s *testSuite2) TestShuffleMergeJoinWithOtherConditions(c *C) { + // more than one inner tuple should be filtered on other conditions + tk := testkit.NewTestKit(c, s.store) + tk.MustExec(`use test`) + tk.MustExec("set @@session.tidb_merge_join_concurrency = 4;") + tk.MustExec(`drop table if exists R;`) + tk.MustExec(`drop table if exists Y;`) + tk.MustExec(`create table Y (a int primary key, b int, index id_b(b));`) + tk.MustExec(`insert into Y values (0,2),(2,2);`) + tk.MustExec(`create table R (a int primary key, b int);`) + tk.MustExec(`insert into R values (2,2);`) + // the max() limits the required rows at most one + // TODO(fangzhuhe): specify Y as the build side using hints + tk.MustQuery(`select /*+tidb_smj(R)*/ max(Y.a) from R join Y on R.a=Y.b where R.b <= Y.a;`).Check(testkit.Rows( + `2`, + )) +} From 094b462b445121ab8a4f6ef3578d9d65b283e911 Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Mon, 30 Nov 2020 11:12:00 +0800 Subject: [PATCH 0322/1021] ddl: check the expression in partition definition and refactor code (#21325) --- ddl/db_partition_test.go | 15 +- ddl/ddl_api.go | 81 ++----- ddl/error.go | 3 +- ddl/partition.go | 418 ++++++++++++++++----------------- errors.toml | 5 + expression/integration_test.go | 4 +- 6 files changed, 250 insertions(+), 276 deletions(-) diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index 8611c01372375..eccd809daea90 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -429,6 +429,10 @@ create table log_message_1 ( "create table t (a int) partition by range columns (b) (partition p0 values less than (1));", ddl.ErrFieldNotFoundPart, }, + { + "create table t (a date) partition by range (to_days(to_days(a))) (partition p0 values less than (1));", + ddl.ErrWrongExprInPartitionFunc, + }, { "create table t (id timestamp) partition by range columns (id) (partition p0 values less than ('2019-01-09 11:23:34'));", ddl.ErrNotAllowedTypeInPartition, @@ -562,6 +566,14 @@ func (s *testIntegrationSuite1) TestCreateTableWithListPartition(c *C) { "create table t (a int) partition by list (a) (partition p0 values in (1), partition P0 values in (2));", ddl.ErrSameNamePartition, }, + { + "create table t(b char(10)) partition by range columns (b) (partition p1 values less than ('G' collate utf8mb4_unicode_ci));", + ddl.ErrPartitionFunctionIsNotAllowed, + }, + { + "create table t (a date) partition by list (to_days(to_days(a))) (partition p0 values in (1), partition P1 values in (2));", + ddl.ErrWrongExprInPartitionFunc, + }, { "create table t (a int) partition by list (a) (partition p0 values in (1), partition p1 values in (1));", ddl.ErrMultipleDefConstInListPart, @@ -2183,6 +2195,7 @@ func (s *testIntegrationSuite5) TestPartitionUniqueKeyNeedAllFieldsInPf(c *C) { )` tk.MustGetErrCode(sql10, tmysql.ErrUniqueKeyNeedAllFieldsInPf) + // after we support multiple columns partition, this sql should fail. For now, it will be a normal table. sql11 := `create table part9 ( a int not null, b int not null, @@ -2197,7 +2210,7 @@ func (s *testIntegrationSuite5) TestPartitionUniqueKeyNeedAllFieldsInPf(c *C) { partition p1 values less than (7, 9), partition p2 values less than (11, 22) )` - tk.MustGetErrCode(sql11, tmysql.ErrUniqueKeyNeedAllFieldsInPf) + tk.MustExec(sql11) sql12 := `create table part12 (a varchar(20), b binary, unique index (a(5))) partition by range columns (a) ( partition p0 values less than ('aaaaa'), diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 3e1b3765fc073..ae7fefcf74c89 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -1522,37 +1522,40 @@ func checkTableInfoValidWithStmt(ctx sessionctx.Context, tbInfo *model.TableInfo if err := checkGeneratedColumn(s.Cols); err != nil { return errors.Trace(err) } - if s.Partition != nil { - if err := checkPartitionFuncValid(ctx, tbInfo, s.Partition.Expr); err != nil { + if tbInfo.Partition != nil && s.Partition != nil { + if err := checkPartitionDefinitionConstraints(ctx, tbInfo); err != nil { return errors.Trace(err) } - - var err error - pi := tbInfo.Partition - if pi != nil { - switch pi.Type { - case model.PartitionTypeRange: - err = checkPartitionByRange(ctx, tbInfo) - case model.PartitionTypeHash: - err = checkPartitionByHash(ctx, tbInfo) - case model.PartitionTypeList: - err = checkPartitionByList(ctx, tbInfo) - } - if err != nil { - return errors.Trace(err) - } - } - - if err := checkPartitionFuncType(ctx, s, tbInfo); err != nil { + if err := checkPartitionFuncType(ctx, s.Partition.Expr, tbInfo); err != nil { return errors.Trace(err) } - if err = checkPartitioningKeysConstraints(ctx, s, tbInfo); err != nil { + if err := checkPartitioningKeysConstraints(ctx, s, tbInfo); err != nil { return errors.Trace(err) } } return nil } +func checkPartitionDefinitionConstraints(ctx sessionctx.Context, tbInfo *model.TableInfo) error { + var err error + if err = checkPartitionNameUnique(tbInfo.Partition); err != nil { + return errors.Trace(err) + } + if err = checkAddPartitionTooManyPartitions(uint64(len(tbInfo.Partition.Definitions))); err != nil { + return errors.Trace(err) + } + + switch tbInfo.Partition.Type { + case model.PartitionTypeRange: + err = checkPartitionByRange(ctx, tbInfo) + case model.PartitionTypeHash: + err = checkPartitionByHash(ctx, tbInfo) + case model.PartitionTypeList: + err = checkPartitionByList(ctx, tbInfo) + } + return errors.Trace(err) +} + // checkTableInfoValid uses to check table info valid. This is used to validate table info. func checkTableInfoValid(tblInfo *model.TableInfo) error { _, err := tables.TableFromMeta(nil, tblInfo) @@ -1944,15 +1947,7 @@ func buildViewInfo(ctx sessionctx.Context, s *ast.CreateViewStmt) (*model.ViewIn } func checkPartitionByHash(ctx sessionctx.Context, tbInfo *model.TableInfo) error { - pi := tbInfo.Partition - if err := checkPartitionNameUnique(pi); err != nil { - return err - } - if err := checkAddPartitionTooManyPartitions(pi.Num); err != nil { - return err - } - - return checkNoHashPartitions(ctx, pi.Num) + return checkNoHashPartitions(ctx, tbInfo.Partition.Num) } // checkPartitionByRange checks validity of a "BY RANGE" partition. @@ -1961,17 +1956,6 @@ func checkPartitionByRange(ctx sessionctx.Context, tbInfo *model.TableInfo) erro panic("Out Of Memory Quota!") }) pi := tbInfo.Partition - if err := checkPartitionNameUnique(pi); err != nil { - return err - } - - if err := checkAddPartitionTooManyPartitions(uint64(len(pi.Definitions))); err != nil { - return err - } - - if err := checkNoRangePartitions(len(pi.Definitions)); err != nil { - return err - } if len(pi.Columns) == 0 { return checkRangePartitionValue(ctx, tbInfo) @@ -1988,13 +1972,6 @@ func checkPartitionByRange(ctx sessionctx.Context, tbInfo *model.TableInfo) erro // checkPartitionByList checks validity of a "BY LIST" partition. func checkPartitionByList(ctx sessionctx.Context, tbInfo *model.TableInfo) error { pi := tbInfo.Partition - if err := checkPartitionNameUnique(pi); err != nil { - return err - } - - if err := checkAddPartitionTooManyPartitions(uint64(len(pi.Definitions))); err != nil { - return err - } if err := checkListPartitionValue(ctx, tbInfo); err != nil { return err @@ -2870,13 +2847,7 @@ func (d *ddl) AddTablePartitions(ctx sessionctx.Context, ident ast.Ident, spec * tmp := *partInfo tmp.Definitions = append(pi.Definitions, tmp.Definitions...) clonedMeta.Partition = &tmp - switch pi.Type { - case model.PartitionTypeRange: - err = checkPartitionByRange(ctx, clonedMeta) - case model.PartitionTypeList: - err = checkPartitionByList(ctx, clonedMeta) - } - if err != nil { + if err := checkPartitionDefinitionConstraints(ctx, clonedMeta); err != nil { if ErrSameNamePartition.Equal(err) && spec.IfNotExists { ctx.GetSessionVars().StmtCtx.AppendNote(err) return nil diff --git a/ddl/error.go b/ddl/error.go index 749c752d33526..4353ccd78eb1c 100644 --- a/ddl/error.go +++ b/ddl/error.go @@ -184,7 +184,8 @@ var ( ErrPartitionFuncNotAllowed = dbterror.ClassDDL.NewStd(mysql.ErrPartitionFuncNotAllowed) // ErrUniqueKeyNeedAllFieldsInPf returns must include all columns in the table's partitioning function. ErrUniqueKeyNeedAllFieldsInPf = dbterror.ClassDDL.NewStd(mysql.ErrUniqueKeyNeedAllFieldsInPf) - errWrongExprInPartitionFunc = dbterror.ClassDDL.NewStd(mysql.ErrWrongExprInPartitionFunc) + // ErrWrongExprInPartitionFunc Constant, random or timezone-dependent expressions in (sub)partitioning function are not allowed. + ErrWrongExprInPartitionFunc = dbterror.ClassDDL.NewStd(mysql.ErrWrongExprInPartitionFunc) // ErrWarnDataTruncated returns data truncated error. ErrWarnDataTruncated = dbterror.ClassDDL.NewStd(mysql.WarnDataTruncated) // ErrCoalesceOnlyOnHashPartition returns coalesce partition can only be used on hash/key partitions. diff --git a/ddl/partition.go b/ddl/partition.go index 26c2864d5eec2..636f3a9e438b6 100644 --- a/ddl/partition.go +++ b/ddl/partition.go @@ -320,6 +320,9 @@ func buildTablePartitionInfo(ctx sessionctx.Context, s *ast.PartitionOptions, tb Num: s.Num, } if s.Expr != nil { + if err := checkPartitionFuncValid(ctx, tbInfo, s.Expr); err != nil { + return errors.Trace(err) + } buf := new(bytes.Buffer) restoreCtx := format.NewRestoreCtx(format.DefaultRestoreFlags, buf) if err := s.Expr.Restore(restoreCtx); err != nil { @@ -376,6 +379,7 @@ func buildHashPartitionDefinitions(_ sessionctx.Context, defs []*ast.PartitionDe func buildListPartitionDefinitions(ctx sessionctx.Context, defs []*ast.PartitionDefinition, tbInfo *model.TableInfo) ([]model.PartitionDefinition, error) { definitions := make([]model.PartitionDefinition, 0, len(defs)) + exprChecker := newPartitionExprChecker(ctx, nil, checkPartitionExprAllowed, checkPartitionExprFuncAllowed) for _, def := range defs { if err := def.Clause.Validate(model.PartitionTypeList, len(tbInfo.Partition.Columns)); err != nil { return nil, err @@ -402,6 +406,10 @@ func buildListPartitionDefinitions(ctx sessionctx.Context, defs []*ast.Partition for _, vs := range clause.Values { inValue := make([]string, 0, len(vs)) for i := range vs { + vs[i].Accept(exprChecker) + if exprChecker.err != nil { + return nil, exprChecker.err + } buf.Reset() vs[i].Format(buf) inValue = append(inValue, buf.String()) @@ -416,6 +424,7 @@ func buildListPartitionDefinitions(ctx sessionctx.Context, defs []*ast.Partition func buildRangePartitionDefinitions(ctx sessionctx.Context, defs []*ast.PartitionDefinition, tbInfo *model.TableInfo) ([]model.PartitionDefinition, error) { definitions := make([]model.PartitionDefinition, 0, len(defs)) + exprChecker := newPartitionExprChecker(ctx, nil, checkPartitionExprAllowed, checkPartitionExprFuncAllowed) for _, def := range defs { if err := def.Clause.Validate(model.PartitionTypeRange, len(tbInfo.Partition.Columns)); err != nil { return nil, err @@ -439,6 +448,10 @@ func buildRangePartitionDefinitions(ctx sessionctx.Context, defs []*ast.Partitio buf := new(bytes.Buffer) // Range columns partitions support multi-column partitions. for _, expr := range clause.Exprs { + expr.Accept(exprChecker) + if exprChecker.err != nil { + return nil, exprChecker.err + } expr.Format(buf) piDef.LessThan = append(piDef.LessThan, buf.String()) buf.Reset() @@ -530,177 +543,20 @@ func stringSliceEqual(a, b []string) bool { return true } -// hasTimestampField derives from https://github.com/mysql/mysql-server/blob/5.7/sql/item_func.h#L387 -func hasTimestampField(ctx sessionctx.Context, tblInfo *model.TableInfo, expr ast.ExprNode) (bool, error) { - partCols, err := checkPartitionColumns(tblInfo, expr) - if err != nil { - return false, err - } - - for _, c := range partCols { - if c.FieldType.Tp == mysql.TypeTimestamp { - return true, nil - } - } - - return false, nil -} - -// hasDateField derives from https://github.com/mysql/mysql-server/blob/5.7/sql/item_func.h#L399 -func hasDateField(ctx sessionctx.Context, tblInfo *model.TableInfo, expr ast.ExprNode) (bool, error) { - partCols, err := checkPartitionColumns(tblInfo, expr) - if err != nil { - return false, err - } - - for _, c := range partCols { - if c.FieldType.Tp == mysql.TypeDate || c.FieldType.Tp == mysql.TypeDatetime { - return true, nil - } - } - - return false, nil -} - -// hasTimeField derives from https://github.com/mysql/mysql-server/blob/5.7/sql/item_func.h#L412 -func hasTimeField(ctx sessionctx.Context, tblInfo *model.TableInfo, expr ast.ExprNode) (bool, error) { - partCols, err := checkPartitionColumns(tblInfo, expr) - if err != nil { - return false, err - } - - for _, c := range partCols { - if c.FieldType.Tp == mysql.TypeDatetime || c.FieldType.Tp == mysql.TypeDuration { - return true, nil - } - } - - return false, nil -} - -// defaultTimezoneDependent derives from https://github.com/mysql/mysql-server/blob/5.7/sql/item_func.h#L445 -// We assume the result of any function that has a TIMESTAMP argument to be -// timezone-dependent, since a TIMESTAMP value in both numeric and string -// contexts is interpreted according to the current timezone. -// The only exception is UNIX_TIMESTAMP() which returns the internal -// representation of a TIMESTAMP argument verbatim, and thus does not depend on -// the timezone. -func defaultTimezoneDependent(ctx sessionctx.Context, tblInfo *model.TableInfo, expr ast.ExprNode) (bool, error) { - v, err := hasTimestampField(ctx, tblInfo, expr) - if err != nil { - return false, err - } - - return !v, nil -} - -func checkPartitionFuncCallValid(ctx sessionctx.Context, tblInfo *model.TableInfo, expr *ast.FuncCallExpr) error { - // We assume the result of any function that has a TIMESTAMP argument to be - // timezone-dependent, since a TIMESTAMP value in both numeric and string - // contexts is interpreted according to the current timezone. - // The only exception is UNIX_TIMESTAMP() which returns the internal - // representation of a TIMESTAMP argument verbatim, and thus does not depend on - // the timezone. - // See https://github.com/mysql/mysql-server/blob/5.7/sql/item_func.h#L445 - if expr.FnName.L != ast.UnixTimestamp { - for _, arg := range expr.Args { - if colName, ok := arg.(*ast.ColumnNameExpr); ok { - col := findColumnByName(colName.Name.Name.L, tblInfo) - if col == nil { - return ErrBadField.GenWithStackByArgs(colName.Name.Name.O, "expression") - } - - if ok && col.FieldType.Tp == mysql.TypeTimestamp { - return errors.Trace(errWrongExprInPartitionFunc) - } - } - } - } - - // check function which allowed in partitioning expressions - // see https://dev.mysql.com/doc/mysql-partitioning-excerpt/5.7/en/partitioning-limitations-functions.html - switch expr.FnName.L { - // Mysql don't allow creating partitions with expressions with non matching - // arguments as a (sub)partitioning function, - // but we want to allow such expressions when opening existing tables for - // easier maintenance. This exception should be deprecated at some point in future so that we always throw an error. - // See https://github.com/mysql/mysql-server/blob/5.7/sql/sql_partition.cc#L1072 - case ast.Day, ast.DayOfMonth, ast.DayOfWeek, ast.DayOfYear, ast.Month, ast.Quarter, ast.ToDays, ast.ToSeconds, - ast.Weekday, ast.Year, ast.YearWeek: - return checkResultOK(hasDateField(ctx, tblInfo, expr)) - case ast.Hour, ast.MicroSecond, ast.Minute, ast.Second, ast.TimeToSec: - return checkResultOK(hasTimeField(ctx, tblInfo, expr)) - case ast.UnixTimestamp: - if len(expr.Args) != 1 { - return errors.Trace(errWrongExprInPartitionFunc) - } - col, err := expression.RewriteSimpleExprWithTableInfo(ctx, tblInfo, expr.Args[0]) - if err != nil { - return errors.Trace(err) - } - if col.GetType().Tp != mysql.TypeTimestamp { - return errors.Trace(errWrongExprInPartitionFunc) - } - return nil - case ast.Abs, ast.Ceiling, ast.DateDiff, ast.Extract, ast.Floor, ast.Mod: - for _, arg := range expr.Args { - if err := checkPartitionExprValid(ctx, tblInfo, arg); err != nil { - return err - } - } - return nil - } - return errors.Trace(ErrPartitionFunctionIsNotAllowed) -} - -// checkPartitionExprValid checks partition expression validly. -func checkPartitionExprValid(ctx sessionctx.Context, tblInfo *model.TableInfo, expr ast.ExprNode) error { - switch v := expr.(type) { - case *ast.FuncCastExpr, *ast.CaseExpr, *ast.SubqueryExpr, *ast.WindowFuncExpr, *ast.RowExpr, *ast.DefaultExpr, *ast.ValuesExpr: - return errors.Trace(ErrPartitionFunctionIsNotAllowed) - case *ast.FuncCallExpr: - return checkPartitionFuncCallValid(ctx, tblInfo, v) - case *ast.BinaryOperationExpr: - // The DIV operator (opcode.IntDiv) is also supported; the / operator ( opcode.Div ) is not permitted. - // see https://dev.mysql.com/doc/refman/5.7/en/partitioning-limitations.html - switch v.Op { - case opcode.Or, opcode.And, opcode.Xor, opcode.LeftShift, opcode.RightShift, opcode.BitNeg, opcode.Div: - return errors.Trace(ErrPartitionFunctionIsNotAllowed) - default: - if err := checkPartitionExprValid(ctx, tblInfo, v.L); err != nil { - return errors.Trace(err) - } - if err := checkPartitionExprValid(ctx, tblInfo, v.R); err != nil { - return errors.Trace(err) - } - } - return nil - case *ast.UnaryOperationExpr: - if v.Op == opcode.BitNeg { - return errors.Trace(ErrPartitionFunctionIsNotAllowed) - } - if err := checkPartitionExprValid(ctx, tblInfo, v.V); err != nil { - return errors.Trace(err) - } - return nil - case *ast.ParenthesesExpr: - return checkPartitionExprValid(ctx, tblInfo, v.Expr) - } - return nil -} - // checkPartitionFuncValid checks partition function validly. func checkPartitionFuncValid(ctx sessionctx.Context, tblInfo *model.TableInfo, expr ast.ExprNode) error { if expr == nil { return nil } - err := checkPartitionExprValid(ctx, tblInfo, expr) - if err != nil { - return err + exprChecker := newPartitionExprChecker(ctx, tblInfo, checkPartitionExprArgs, checkPartitionExprAllowed, checkPartitionExprFuncAllowed) + expr.Accept(exprChecker) + if exprChecker.err != nil { + return errors.Trace(exprChecker.err) + } + if len(exprChecker.columns) == 0 { + return errors.Trace(ErrWrongExprInPartitionFunc) } - // check constant. - _, err = checkPartitionColumns(tblInfo, expr) - return err + return nil } // checkResultOK derives from https://github.com/mysql/mysql-server/blob/5.7/sql/item_timefunc @@ -712,71 +568,31 @@ func checkResultOK(ok bool, err error) error { } if !ok { - return errors.Trace(errWrongExprInPartitionFunc) + return errors.Trace(ErrWrongExprInPartitionFunc) } return nil } -func checkPartitionColumns(tblInfo *model.TableInfo, expr ast.ExprNode) ([]*model.ColumnInfo, error) { - var buf strings.Builder - restoreCtx := format.NewRestoreCtx(format.DefaultRestoreFlags, &buf) - err := expr.Restore(restoreCtx) - if err != nil { - return nil, errors.Trace(err) - } - partCols, err := extractPartitionColumns(buf.String(), tblInfo) - if err != nil { - return nil, err - } - - if len(partCols) == 0 { - return nil, errors.Trace(errWrongExprInPartitionFunc) - } - - return partCols, nil -} - // checkPartitionFuncType checks partition function return type. -func checkPartitionFuncType(ctx sessionctx.Context, s *ast.CreateTableStmt, tblInfo *model.TableInfo) error { - if s.Partition.Expr == nil { +func checkPartitionFuncType(ctx sessionctx.Context, expr ast.ExprNode, tblInfo *model.TableInfo) error { + if expr == nil { return nil } - var buf strings.Builder - restoreCtx := format.NewRestoreCtx(format.DefaultRestoreFlags, &buf) - if err := s.Partition.Expr.Restore(restoreCtx); err != nil { - return errors.Trace(err) - } - exprStr := buf.String() - if s.Partition.Tp == model.PartitionTypeRange || - s.Partition.Tp == model.PartitionTypeHash || - s.Partition.Tp == model.PartitionTypeList { - // if partition by columnExpr, check the column type - if _, ok := s.Partition.Expr.(*ast.ColumnNameExpr); ok { - for _, col := range tblInfo.Columns { - name := strings.Replace(col.Name.String(), ".", "`.`", -1) - // Range partitioning key supported types: tinyint, smallint, mediumint, int and bigint. - if !validRangePartitionType(col) && fmt.Sprintf("`%s`", name) == exprStr { - return errors.Trace(ErrNotAllowedTypeInPartition.GenWithStackByArgs(exprStr)) - } - } - } - } - e, err := expression.ParseSimpleExprWithTableInfo(ctx, exprStr, tblInfo) + e, err := expression.RewriteSimpleExprWithTableInfo(ctx, tblInfo, expr) if err != nil { return errors.Trace(err) } if e.GetType().EvalType() == types.ETInt { return nil } - if s.Partition.Tp == model.PartitionTypeHash { - if _, ok := s.Partition.Expr.(*ast.ColumnNameExpr); ok { - return ErrNotAllowedTypeInPartition.GenWithStackByArgs(exprStr) - } + + if col, ok := expr.(*ast.ColumnNameExpr); ok { + return errors.Trace(ErrNotAllowedTypeInPartition.GenWithStackByArgs(col.Name.Name.L)) } - return ErrPartitionFuncNotAllowed.GenWithStackByArgs("PARTITION") + return errors.Trace(ErrPartitionFuncNotAllowed.GenWithStackByArgs("PARTITION")) } // checkRangePartitionValue checks whether `less than value` is strictly increasing for each partition. @@ -1550,10 +1366,9 @@ func checkPartitioningKeysConstraints(sctx sessionctx.Context, s *ast.CreateTabl var partCols stringSlice if s.Partition.Expr != nil { - // Parse partitioning key, extract the column names in the partitioning key to slice. - buf := new(bytes.Buffer) - s.Partition.Expr.Format(buf) - partColumns, err := extractPartitionColumns(buf.String(), tblInfo) + extractCols := newPartitionExprChecker(sctx, tblInfo) + s.Partition.Expr.Accept(extractCols) + partColumns, err := extractCols.columns, extractCols.err if err != nil { return err } @@ -1644,6 +1459,9 @@ func (cne *columnNameExtractor) Leave(node ast.Node) (ast.Node, bool) { } func findColumnByName(colName string, tblInfo *model.TableInfo) *model.ColumnInfo { + if tblInfo == nil { + return nil + } for _, info := range tblInfo.Columns { if info.Name.L == colName { return info @@ -1778,3 +1596,169 @@ func onAlterTablePartition(t *meta.Meta, job *model.Job) (int64, error) { job.FinishTableJob(model.JobStateDone, model.StatePublic, ver, tblInfo) return ver, nil } + +type partitionExprProcessor func(sessionctx.Context, *model.TableInfo, ast.ExprNode) error + +type partitionExprChecker struct { + processors []partitionExprProcessor + ctx sessionctx.Context + tbInfo *model.TableInfo + expr ast.ExprNode + err error + + columns []*model.ColumnInfo +} + +func newPartitionExprChecker(ctx sessionctx.Context, tbInfo *model.TableInfo, processor ...partitionExprProcessor) *partitionExprChecker { + p := &partitionExprChecker{processors: processor, ctx: ctx, tbInfo: tbInfo} + p.processors = append(p.processors, p.extractColumns) + return p +} + +func (p *partitionExprChecker) Enter(n ast.Node) (node ast.Node, skipChildren bool) { + expr, ok := n.(ast.ExprNode) + if !ok { + return n, true + } + for _, processor := range p.processors { + if err := processor(p.ctx, p.tbInfo, expr); err != nil { + p.err = err + return n, true + } + } + + return n, false +} + +func (p *partitionExprChecker) Leave(n ast.Node) (node ast.Node, ok bool) { + return n, p.err == nil +} + +func (p *partitionExprChecker) extractColumns(_ sessionctx.Context, _ *model.TableInfo, expr ast.ExprNode) error { + columnNameExpr, ok := expr.(*ast.ColumnNameExpr) + if !ok { + return nil + } + colInfo := findColumnByName(columnNameExpr.Name.Name.L, p.tbInfo) + if colInfo == nil { + return errors.Trace(ErrBadField.GenWithStackByArgs(columnNameExpr.Name.Name.L, "partition function")) + } + + p.columns = append(p.columns, colInfo) + return nil +} + +func checkPartitionExprAllowed(_ sessionctx.Context, _ *model.TableInfo, e ast.ExprNode) error { + switch v := e.(type) { + case *ast.FuncCastExpr, *ast.CaseExpr, *ast.SubqueryExpr, *ast.WindowFuncExpr, *ast.RowExpr, *ast.DefaultExpr, *ast.ValuesExpr, + *ast.SetCollationExpr: + return errors.Trace(ErrPartitionFunctionIsNotAllowed) + case *ast.BinaryOperationExpr: + // The DIV operator (opcode.IntDiv) is also supported; the / operator ( opcode.Div ) is not permitted. + // see https://dev.mysql.com/doc/refman/5.7/en/partitioning-limitations.html + switch v.Op { + case opcode.Or, opcode.And, opcode.Xor, opcode.LeftShift, opcode.RightShift, opcode.BitNeg, opcode.Div: + return errors.Trace(ErrPartitionFunctionIsNotAllowed) + } + case *ast.UnaryOperationExpr: + if v.Op == opcode.BitNeg { + return errors.Trace(ErrPartitionFunctionIsNotAllowed) + } + } + return nil +} + +func checkPartitionExprFuncAllowed(_ sessionctx.Context, _ *model.TableInfo, e ast.ExprNode) error { + expr, ok := e.(*ast.FuncCallExpr) + if !ok { + return nil + } + allowedFuncMap := map[string]struct{}{ + ast.ToDays: {}, ast.ToSeconds: {}, ast.DayOfMonth: {}, ast.Month: {}, ast.DayOfYear: {}, + ast.Quarter: {}, ast.YearWeek: {}, ast.Year: {}, ast.Weekday: {}, ast.DayOfWeek: {}, ast.Day: {}, + ast.Hour: {}, ast.Minute: {}, ast.Second: {}, ast.TimeToSec: {}, ast.MicroSecond: {}, + ast.UnixTimestamp: {}, ast.FromDays: {}, ast.Extract: {}, ast.Abs: {}, ast.Ceiling: {}, + ast.DateDiff: {}, ast.Floor: {}, ast.Mod: {}, + } + if _, ok := allowedFuncMap[expr.FnName.L]; ok { + return nil + } + return errors.Trace(ErrPartitionFunctionIsNotAllowed) +} + +func checkPartitionExprArgs(_ sessionctx.Context, tblInfo *model.TableInfo, e ast.ExprNode) error { + expr, ok := e.(*ast.FuncCallExpr) + if !ok { + return nil + } + switch expr.FnName.L { + case ast.ToDays, ast.ToSeconds, ast.DayOfMonth, ast.Month, ast.DayOfYear, ast.Quarter, ast.YearWeek, + ast.Year, ast.Weekday, ast.DayOfWeek, ast.Day: + return errors.Trace(checkResultOK(hasDateArgs(tblInfo, expr))) + case ast.Hour, ast.Minute, ast.Second, ast.TimeToSec, ast.MicroSecond: + return errors.Trace(checkResultOK(hasTimeArgs(tblInfo, expr))) + case ast.UnixTimestamp: + return errors.Trace(checkResultOK(hasTimestampArgs(tblInfo, expr))) + case ast.FromDays: + if err := checkResultOK(hasDateArgs(tblInfo, expr)); err != nil { + return errors.Trace(err) + } + return errors.Trace(checkResultOK(hasTimeArgs(tblInfo, expr))) + case ast.Extract: + switch expr.Args[0].(*ast.TimeUnitExpr).Unit { + case ast.TimeUnitYear, ast.TimeUnitYearMonth, ast.TimeUnitQuarter, ast.TimeUnitMonth, ast.TimeUnitDay: + return errors.Trace(checkResultOK(hasDateArgs(tblInfo, expr))) + case ast.TimeUnitDayMicrosecond, ast.TimeUnitDayHour, ast.TimeUnitDayMinute, ast.TimeUnitDaySecond: + return errors.Trace(checkResultOK(hasDatetimeArgs(tblInfo, expr))) + case ast.TimeUnitHour, ast.TimeUnitHourMinute, ast.TimeUnitHourSecond, ast.TimeUnitMinute, ast.TimeUnitMinuteSecond, + ast.TimeUnitSecond, ast.TimeUnitMicrosecond, ast.TimeUnitHourMicrosecond, ast.TimeUnitMinuteMicrosecond, ast.TimeUnitSecondMicrosecond: + return errors.Trace(checkResultOK(hasTimeArgs(tblInfo, expr))) + default: + return errors.Trace(ErrWrongExprInPartitionFunc) + } + case ast.Abs, ast.Ceiling, ast.DateDiff, ast.Floor, ast.Mod: + has, err := hasTimestampArgs(tblInfo, expr) + if err != nil { + return errors.Trace(err) + } + if has { + return errors.Trace(ErrWrongExprInPartitionFunc) + } + } + return nil +} + +func hasDateArgs(tblInfo *model.TableInfo, expr *ast.FuncCallExpr) (bool, error) { + return hasSpecifyArgs(tblInfo, expr, mysql.TypeDate, mysql.TypeDatetime) +} + +func hasTimeArgs(tblInfo *model.TableInfo, expr *ast.FuncCallExpr) (bool, error) { + return hasSpecifyArgs(tblInfo, expr, mysql.TypeDuration, mysql.TypeDatetime) +} + +func hasTimestampArgs(tblInfo *model.TableInfo, expr *ast.FuncCallExpr) (bool, error) { + return hasSpecifyArgs(tblInfo, expr, mysql.TypeTimestamp) +} + +func hasDatetimeArgs(tblInfo *model.TableInfo, expr *ast.FuncCallExpr) (bool, error) { + return hasSpecifyArgs(tblInfo, expr, mysql.TypeDatetime) +} + +func hasSpecifyArgs(tblInfo *model.TableInfo, expr *ast.FuncCallExpr, ts ...byte) (bool, error) { + for _, arg := range expr.Args { + col, ok := arg.(*ast.ColumnNameExpr) + if !ok { + continue + } + columnInfo := findColumnByName(col.Name.Name.L, tblInfo) + if columnInfo == nil { + return false, errors.Trace(ErrBadField.GenWithStackByArgs(col.Name.Name.L, "partition function")) + } + for _, t := range ts { + if columnInfo.Tp == t { + return true, nil + } + } + } + return false, nil +} diff --git a/errors.toml b/errors.toml index f756d02f8c80d..a80c43e569311 100644 --- a/errors.toml +++ b/errors.toml @@ -196,6 +196,11 @@ error = ''' MAXVALUE can only be used in last partition definition ''' +["ddl:1486"] +error = ''' +Constant, random or timezone-dependent expressions in (sub)partitioning function are not allowed +''' + ["ddl:1488"] error = ''' Field in list of fields for partition function not found in table diff --git a/expression/integration_test.go b/expression/integration_test.go index c71986d7bec97..67208b554ae8a 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7631,10 +7631,10 @@ func (s *testIntegrationSuite) TestIssue19596(c *C) { tk.MustExec("use test") tk.MustExec("drop table if exists t;") tk.MustExec("create table t (a int) partition by range(a) (PARTITION p0 VALUES LESS THAN (10));") - tk.MustGetErrMsg("alter table t add partition (partition p1 values less than (a));", "[planner:1054]Unknown column 'a' in 'expression'") + tk.MustGetErrMsg("alter table t add partition (partition p1 values less than (a));", "[ddl:1054]Unknown column 'a' in 'partition function'") tk.MustQuery("select * from t;") tk.MustExec("drop table if exists t;") - tk.MustGetErrMsg("create table t (a int) partition by range(a) (PARTITION p0 VALUES LESS THAN (a));", "[planner:1054]Unknown column 'a' in 'expression'") + tk.MustGetErrMsg("create table t (a int) partition by range(a) (PARTITION p0 VALUES LESS THAN (a));", "[ddl:1054]Unknown column 'a' in 'partition function'") } func (s *testIntegrationSuite) TestIssue17476(c *C) { From b3f8be7d3c9a719d043f41db14b62d259a79ecb2 Mon Sep 17 00:00:00 2001 From: Allen Zhong Date: Mon, 30 Nov 2020 11:58:29 +0800 Subject: [PATCH 0323/1021] *: update pingcap/errors (#21352) --- Makefile | 2 +- errors.toml | 2 +- go.mod | 2 +- go.sum | 3 ++- tests/globalkilltest/go.sum | 1 - 5 files changed, 5 insertions(+), 5 deletions(-) diff --git a/Makefile b/Makefile index 0062e330333c9..bfca924ba2c1e 100644 --- a/Makefile +++ b/Makefile @@ -237,7 +237,7 @@ tools/bin/failpoint-ctl: go.mod $(GO) build -o $@ github.com/pingcap/failpoint/failpoint-ctl tools/bin/errdoc-gen: go.mod - $(GO) build -o $@ github.com/pingcap/tiup/components/errdoc/errdoc-gen + $(GO) build -o $@ github.com/pingcap/errors/errdoc-gen tools/bin/golangci-lint: curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s -- -b ./tools/bin v1.29.0 diff --git a/errors.toml b/errors.toml index a80c43e569311..74a4f90a0bcc9 100644 --- a/errors.toml +++ b/errors.toml @@ -1,4 +1,4 @@ -# AUTOGENERATED BY github.com/pingcap/tiup/components/errdoc/errdoc-gen +# AUTOGENERATED BY github.com/pingcap/errors/errdoc-gen # YOU CAN CHANGE THE 'description'/'workaround' FIELDS IF THEM ARE IMPROPER. ["admin:8003"] diff --git a/go.mod b/go.mod index 1f45188c9d771..42df0eca488c2 100644 --- a/go.mod +++ b/go.mod @@ -41,7 +41,7 @@ require ( github.com/pingcap/badger v1.5.1-0.20200908111422-2e78ee155d19 github.com/pingcap/br v4.0.0-beta.2.0.20201014031603-5676c8fdad1a+incompatible github.com/pingcap/check v0.0.0-20200212061837-5e12011dc712 - github.com/pingcap/errors v0.11.5-0.20201029093017-5a7df2af2ac7 + github.com/pingcap/errors v0.11.5-0.20201126102027-b0a155152ca3 github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce github.com/pingcap/fn v0.0.0-20200306044125-d5540d389059 github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 diff --git a/go.sum b/go.sum index 387464733ac97..a0269cbe48e66 100644 --- a/go.sum +++ b/go.sum @@ -655,8 +655,9 @@ github.com/pingcap/errors v0.11.1/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTw github.com/pingcap/errors v0.11.4/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8= github.com/pingcap/errors v0.11.5-0.20190809092503-95897b64e011/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8= github.com/pingcap/errors v0.11.5-0.20200820035142-66eb5bf1d1cd/go.mod h1:g4vx//d6VakjJ0mk7iLBlKA8LFavV/sAVINT/1PFxeQ= -github.com/pingcap/errors v0.11.5-0.20201029093017-5a7df2af2ac7 h1:wQKuKP2HUtej2gSvx1cZmY4DENUH6tlOxRkfvPT8EBU= github.com/pingcap/errors v0.11.5-0.20201029093017-5a7df2af2ac7/go.mod h1:G7x87le1poQzLB/TqvTJI2ILrSgobnq4Ut7luOwvfvI= +github.com/pingcap/errors v0.11.5-0.20201126102027-b0a155152ca3 h1:LllgC9eGfqzkfubMgjKIDyZYaa609nNWAyNZtpy2B3M= +github.com/pingcap/errors v0.11.5-0.20201126102027-b0a155152ca3/go.mod h1:G7x87le1poQzLB/TqvTJI2ILrSgobnq4Ut7luOwvfvI= github.com/pingcap/failpoint v0.0.0-20191029060244-12f4ac2fd11d/go.mod h1:DNS3Qg7bEDhU6EXNHF+XSv/PGznQaMJ5FWvctpm6pQI= github.com/pingcap/failpoint v0.0.0-20200210140405-f8f9fb234798/go.mod h1:DNS3Qg7bEDhU6EXNHF+XSv/PGznQaMJ5FWvctpm6pQI= github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce h1:Y1kCxlCtlPTMtVcOkjUcuQKh+YrluSo7+7YMCQSzy30= diff --git a/tests/globalkilltest/go.sum b/tests/globalkilltest/go.sum index f8902b2fecae0..e6365673c2875 100644 --- a/tests/globalkilltest/go.sum +++ b/tests/globalkilltest/go.sum @@ -411,7 +411,6 @@ github.com/pingcap/errors v0.11.0/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTw github.com/pingcap/errors v0.11.4/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8= github.com/pingcap/errors v0.11.5-0.20190809092503-95897b64e011/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8= github.com/pingcap/errors v0.11.5-0.20200902104258-eba4f1d8f6de/go.mod h1:g4vx//d6VakjJ0mk7iLBlKA8LFavV/sAVINT/1PFxeQ= -github.com/pingcap/errors v0.11.5-0.20200917111840-a15ef68f753d h1:TH18wFO5Nq/zUQuWu9ms2urgZnLP69XJYiI2JZAkUGc= github.com/pingcap/errors v0.11.5-0.20200917111840-a15ef68f753d/go.mod h1:g4vx//d6VakjJ0mk7iLBlKA8LFavV/sAVINT/1PFxeQ= github.com/pingcap/failpoint v0.0.0-20191029060244-12f4ac2fd11d/go.mod h1:DNS3Qg7bEDhU6EXNHF+XSv/PGznQaMJ5FWvctpm6pQI= github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce h1:Y1kCxlCtlPTMtVcOkjUcuQKh+YrluSo7+7YMCQSzy30= From 99044e65849140bded6b845a8d46d3fc1cc2d44e Mon Sep 17 00:00:00 2001 From: xiaodong-ji Date: Mon, 30 Nov 2020 13:38:29 +0800 Subject: [PATCH 0324/1021] planner: stablize unit test for tidb_opt_prefer_range_scan variable (#21346) --- planner/core/integration_test.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index adb730fea896d..fedaf7be3b02f 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1907,7 +1907,7 @@ func (s *testIntegrationSuite) TestUpdateMultiUpdatePK(c *C) { tk.MustQuery("SELECT * FROM t").Check(testkit.Rows("2 12")) } -func (s *testIntegrationSuite) TestPreferRangeScan(c *C) { +func (s *testIntegrationSerialSuite) TestPreferRangeScan(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") tk.MustExec("drop table if exists test;") From c47ac4ad150292fb2bfe30d1fbcbf4054c691eea Mon Sep 17 00:00:00 2001 From: Feng Liyuan Date: Mon, 30 Nov 2020 13:52:59 +0800 Subject: [PATCH 0325/1021] expression: enable coprocessor pushdown of function UUID (#21174) --- expression/builtin_miscellaneous.go | 1 + expression/expression.go | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/expression/builtin_miscellaneous.go b/expression/builtin_miscellaneous.go index cd9a7a2ca3bf0..b1de9ce7d9afc 100644 --- a/expression/builtin_miscellaneous.go +++ b/expression/builtin_miscellaneous.go @@ -1013,6 +1013,7 @@ func (c *uuidFunctionClass) getFunction(ctx sessionctx.Context, args []Expressio bf.tp.Charset, bf.tp.Collate = ctx.GetSessionVars().GetCharsetInfo() bf.tp.Flen = 36 sig := &builtinUUIDSig{bf} + sig.setPbCode(tipb.ScalarFuncSig_UUID) return sig, nil } diff --git a/expression/expression.go b/expression/expression.go index 2627ed4635e0f..33e0210adb19b 100644 --- a/expression/expression.go +++ b/expression/expression.go @@ -1016,7 +1016,8 @@ func canFuncBePushed(sf *ScalarFunction, storeType kv.StoreType) bool { ast.IsIPv4, ast.IsIPv4Compat, ast.IsIPv4Mapped, - ast.IsIPv6: + ast.IsIPv6, + ast.UUID: ret = true // A special case: Only push down Round by signature From 67f9a243418d5f59e12302cb706bd38bc966c617 Mon Sep 17 00:00:00 2001 From: Yilin Chen Date: Mon, 30 Nov 2020 14:59:59 +0800 Subject: [PATCH 0326/1021] store/tikv: retry the same scan request when there is a response-level lock (#21348) Signed-off-by: Yilin Chen --- go.mod | 2 +- go.sum | 5 +-- store/mockstore/unistore/rpc.go | 23 +++++++++++-- store/tikv/scan.go | 20 ++++++++++++ store/tikv/snapshot_fail_test.go | 55 ++++++++++++++++++++++++++++++-- 5 files changed, 97 insertions(+), 8 deletions(-) diff --git a/go.mod b/go.mod index 42df0eca488c2..93ecd1649ab88 100644 --- a/go.mod +++ b/go.mod @@ -45,7 +45,7 @@ require ( github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce github.com/pingcap/fn v0.0.0-20200306044125-d5540d389059 github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 - github.com/pingcap/kvproto v0.0.0-20201124110645-494a2fb764b7 + github.com/pingcap/kvproto v0.0.0-20201130052818-5dfa7b1325a3 github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 github.com/pingcap/parser v0.0.0-20201123080035-8f4c6ab94e11 github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 diff --git a/go.sum b/go.sum index a0269cbe48e66..d0c8b25421f3b 100644 --- a/go.sum +++ b/go.sum @@ -680,8 +680,8 @@ github.com/pingcap/kvproto v0.0.0-20200417092353-efbe03bcffbd/go.mod h1:IOdRDPLy github.com/pingcap/kvproto v0.0.0-20200420075417-e0c6e8842f22/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/kvproto v0.0.0-20200810113304-6157337686b1/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/kvproto v0.0.0-20201113092725-08f2872278eb/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= -github.com/pingcap/kvproto v0.0.0-20201124110645-494a2fb764b7 h1:xi36VGntRELtpBBAUkvx2XrCxSLwrOVEnbLnGT/Kx5g= -github.com/pingcap/kvproto v0.0.0-20201124110645-494a2fb764b7/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= +github.com/pingcap/kvproto v0.0.0-20201130052818-5dfa7b1325a3 h1:cpYxg8ggZU3UhVVd4iafhzetjEl2xB1KVjuhEKOhmjU= +github.com/pingcap/kvproto v0.0.0-20201130052818-5dfa7b1325a3/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/log v0.0.0-20191012051959-b742a5d432e9/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200117041106-d28c14d3b1cd/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200511115504-543df19646ad/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= @@ -776,6 +776,7 @@ github.com/satori/go.uuid v1.2.1-0.20181028125025-b2ce2384e17b/go.mod h1:dA0hQrY github.com/segmentio/kafka-go v0.1.0/go.mod h1:X6itGqS9L4jDletMsxZ7Dz+JFWxM6JHfPOCvTvk+EJo= github.com/segmentio/kafka-go v0.2.0/go.mod h1:X6itGqS9L4jDletMsxZ7Dz+JFWxM6JHfPOCvTvk+EJo= github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= +github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44 h1:tB9NOR21++IjLyVx3/PCPhWMwqGNCMQEH96A6dMZ/gc= github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= github.com/shirou/gopsutil v2.19.10+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA= github.com/shirou/gopsutil v2.20.3+incompatible h1:0JVooMPsT7A7HqEYdydp/OfjSOYSjhXV7w1hkKj/NPQ= diff --git a/store/mockstore/unistore/rpc.go b/store/mockstore/unistore/rpc.go index d263379dac560..8244875729b3f 100644 --- a/store/mockstore/unistore/rpc.go +++ b/store/mockstore/unistore/rpc.go @@ -88,7 +88,26 @@ func (c *RPCClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.R case tikvrpc.CmdGet: resp.Resp, err = c.usSvr.KvGet(ctx, req.Get()) case tikvrpc.CmdScan: - resp.Resp, err = c.usSvr.KvScan(ctx, req.Scan()) + kvScanReq := req.Scan() + failpoint.Inject("rpcScanResult", func(val failpoint.Value) { + switch val.(string) { + case "keyError": + failpoint.Return(&tikvrpc.Response{ + Resp: &kvrpcpb.ScanResponse{Error: &kvrpcpb.KeyError{ + Locked: &kvrpcpb.LockInfo{ + PrimaryLock: kvScanReq.StartKey, + LockVersion: kvScanReq.Version - 1, + Key: kvScanReq.StartKey, + LockTtl: 50, + TxnSize: 1, + LockType: kvrpcpb.Op_Put, + }, + }}, + }, nil) + } + }) + + resp.Resp, err = c.usSvr.KvScan(ctx, kvScanReq) case tikvrpc.CmdPrewrite: failpoint.Inject("rpcPrewriteResult", func(val failpoint.Value) { if val != nil { @@ -162,7 +181,7 @@ func (c *RPCClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.R PrimaryLock: batchGetReq.Keys[0], LockVersion: batchGetReq.Version - 1, Key: batchGetReq.Keys[0], - LockTtl: 2000, + LockTtl: 50, TxnSize: 1, LockType: kvrpcpb.Op_Put, }, diff --git a/store/tikv/scan.go b/store/tikv/scan.go index 479e9a95b37c0..edc991a4d7df7 100644 --- a/store/tikv/scan.go +++ b/store/tikv/scan.go @@ -236,6 +236,26 @@ func (s *Scanner) getData(bo *Backoffer) error { return errors.Trace(err) } + // When there is a response-level key error, the returned pairs are incomplete. + // We should resolve the lock first and then retry the same request. + if keyErr := cmdScanResp.GetError(); keyErr != nil { + lock, err := extractLockFromKeyErr(keyErr) + if err != nil { + return errors.Trace(err) + } + msBeforeExpired, _, err := newLockResolver(s.snapshot.store).ResolveLocks(bo, s.snapshot.version.Ver, []*Lock{lock}) + if err != nil { + return errors.Trace(err) + } + if msBeforeExpired > 0 { + err = bo.BackoffWithMaxSleep(boTxnLockFast, int(msBeforeExpired), errors.Errorf("key is locked during scanning")) + if err != nil { + return errors.Trace(err) + } + } + continue + } + kvPairs := cmdScanResp.Pairs // Check if kvPair contains error, it should be a Lock. for _, pair := range kvPairs { diff --git a/store/tikv/snapshot_fail_test.go b/store/tikv/snapshot_fail_test.go index 1001d30bfb70a..2ee4048b84085 100644 --- a/store/tikv/snapshot_fail_test.go +++ b/store/tikv/snapshot_fail_test.go @@ -43,7 +43,7 @@ func (s *testSnapshotFailSuite) TearDownSuite(c *C) { s.OneByOneSuite.TearDownSuite(c) } -func (s *testSnapshotSuite) TestBatchGetResponseKeyError(c *C) { +func (s *testSnapshotFailSuite) TestBatchGetResponseKeyError(c *C) { // Meaningless to test with tikv because it has a mock key error if *WithTiKV { return @@ -58,9 +58,9 @@ func (s *testSnapshotSuite) TestBatchGetResponseKeyError(c *C) { err = txn.Commit(context.Background()) c.Assert(err, IsNil) - c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/mocktikv/rpcBatchGetResult", `1*return("keyError")`), IsNil) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/unistore/rpcBatchGetResult", `1*return("keyError")`), IsNil) defer func() { - c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/mockstore/mocktikv/rpcBatchGetResult"), IsNil) + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/mockstore/unistore/rpcBatchGetResult"), IsNil) }() txn, err = s.store.Begin() @@ -69,3 +69,52 @@ func (s *testSnapshotSuite) TestBatchGetResponseKeyError(c *C) { c.Assert(err, IsNil) c.Assert(res, DeepEquals, map[string][]byte{"k1": []byte("v1"), "k2": []byte("v2")}) } + +func (s *testSnapshotFailSuite) TestScanResponseKeyError(c *C) { + // Meaningless to test with tikv because it has a mock key error + if *WithTiKV { + return + } + // Put two KV pairs + txn, err := s.store.Begin() + c.Assert(err, IsNil) + err = txn.Set([]byte("k1"), []byte("v1")) + c.Assert(err, IsNil) + err = txn.Set([]byte("k2"), []byte("v2")) + c.Assert(err, IsNil) + err = txn.Set([]byte("k3"), []byte("v3")) + c.Assert(err, IsNil) + err = txn.Commit(context.Background()) + c.Assert(err, IsNil) + + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/unistore/rpcScanResult", `1*return("keyError")`), IsNil) + txn, err = s.store.Begin() + c.Assert(err, IsNil) + iter, err := txn.Iter([]byte("a"), []byte("z")) + c.Assert(err, IsNil) + c.Assert(iter.Key(), DeepEquals, kv.Key("k1")) + c.Assert(iter.Value(), DeepEquals, []byte("v1")) + c.Assert(iter.Next(), IsNil) + c.Assert(iter.Key(), DeepEquals, kv.Key("k2")) + c.Assert(iter.Value(), DeepEquals, []byte("v2")) + c.Assert(iter.Next(), IsNil) + c.Assert(iter.Key(), DeepEquals, kv.Key("k3")) + c.Assert(iter.Value(), DeepEquals, []byte("v3")) + c.Assert(iter.Next(), IsNil) + c.Assert(iter.Valid(), IsFalse) + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/mockstore/unistore/rpcScanResult"), IsNil) + + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/unistore/rpcScanResult", `1*return("keyError")`), IsNil) + txn, err = s.store.Begin() + c.Assert(err, IsNil) + iter, err = txn.Iter([]byte("k2"), []byte("k4")) + c.Assert(err, IsNil) + c.Assert(iter.Key(), DeepEquals, kv.Key("k2")) + c.Assert(iter.Value(), DeepEquals, []byte("v2")) + c.Assert(iter.Next(), IsNil) + c.Assert(iter.Key(), DeepEquals, kv.Key("k3")) + c.Assert(iter.Value(), DeepEquals, []byte("v3")) + c.Assert(iter.Next(), IsNil) + c.Assert(iter.Valid(), IsFalse) + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/mockstore/unistore/rpcScanResult"), IsNil) +} From 76427cbd09be4812a54c1e3df0dc3b285455ad19 Mon Sep 17 00:00:00 2001 From: leoppro Date: Mon, 30 Nov 2020 15:13:58 +0800 Subject: [PATCH 0327/1021] *: update the tools dependence (#21370) --- go.mod | 2 +- go.sum | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/go.mod b/go.mod index 93ecd1649ab88..8af39dff7e37e 100644 --- a/go.mod +++ b/go.mod @@ -50,7 +50,7 @@ require ( github.com/pingcap/parser v0.0.0-20201123080035-8f4c6ab94e11 github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 github.com/pingcap/tidb-lightning v4.0.9-0.20201106041742-a1ac97827a27+incompatible - github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible + github.com/pingcap/tidb-tools v4.0.9-0.20201127090955-2707c97b3853+incompatible github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f github.com/prometheus/client_golang v1.5.1 github.com/prometheus/client_model v0.2.0 diff --git a/go.sum b/go.sum index d0c8b25421f3b..fad7168307eff 100644 --- a/go.sum +++ b/go.sum @@ -705,8 +705,8 @@ github.com/pingcap/tidb-lightning v4.0.9-0.20201106041742-a1ac97827a27+incompati github.com/pingcap/tidb-tools v3.0.13+incompatible/go.mod h1:XGdcy9+yqlDSEMTpOXnwf3hiTeqrV6MN/u1se9N8yIM= github.com/pingcap/tidb-tools v4.0.0-beta.1.0.20200306084441-875bd09aa3d5+incompatible/go.mod h1:XGdcy9+yqlDSEMTpOXnwf3hiTeqrV6MN/u1se9N8yIM= github.com/pingcap/tidb-tools v4.0.0-rc.1.0.20200514040632-f76b3e428e19+incompatible/go.mod h1:XGdcy9+yqlDSEMTpOXnwf3hiTeqrV6MN/u1se9N8yIM= -github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible h1:qPppnsXVh3KswqRZdSAShGLLPd7dB+5w4lXDnpYn0SQ= -github.com/pingcap/tidb-tools v4.0.5-0.20200820092506-34ea90c93237+incompatible/go.mod h1:XGdcy9+yqlDSEMTpOXnwf3hiTeqrV6MN/u1se9N8yIM= +github.com/pingcap/tidb-tools v4.0.9-0.20201127090955-2707c97b3853+incompatible h1:ceznmu/lLseGHP/jKyOa/3u/5H3wtLLLqkH2V3ssSjg= +github.com/pingcap/tidb-tools v4.0.9-0.20201127090955-2707c97b3853+incompatible/go.mod h1:XGdcy9+yqlDSEMTpOXnwf3hiTeqrV6MN/u1se9N8yIM= github.com/pingcap/tipb v0.0.0-20190428032612-535e1abaa330/go.mod h1:RtkHW8WbcNxj8lsbzjaILci01CtYnYbIkQhjyZWrWVI= github.com/pingcap/tipb v0.0.0-20200417094153-7316d94df1ee/go.mod h1:RtkHW8WbcNxj8lsbzjaILci01CtYnYbIkQhjyZWrWVI= github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f h1:J+0TAI+7Hvebz4bM4GnRCRT4MpjYnUxbyi9ky5ZQUsU= From 1c8fb2bd2d069dc0d26ea2f541f49af39005520d Mon Sep 17 00:00:00 2001 From: Yuanjia Zhang Date: Mon, 30 Nov 2020 15:27:59 +0800 Subject: [PATCH 0328/1021] executor: fix test problems in TestIssue20658 (#21371) --- executor/aggregate_test.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/executor/aggregate_test.go b/executor/aggregate_test.go index e72ec7b0a5ab0..459c128454245 100644 --- a/executor/aggregate_test.go +++ b/executor/aggregate_test.go @@ -1251,7 +1251,7 @@ func (s *testSuiteAgg) TestIssue20658(c *C) { aggFuncs := []string{"count(a)", "sum(a)", "avg(a)", "max(a)", "min(a)", "bit_or(a)", "bit_xor(a)", "bit_and(a)"} aggFuncs2 := []string{"var_pop(a)", "var_samp(a)", "stddev_pop(a)", "stddev_samp(a)", "approx_count_distinct(a)", "approx_percentile(a, 7)"} sqlFormat := "select /*+ stream_agg() */ %s from t group by b;" - castFormat := "cast(%s as decimal(32, 4))" + castFormat := "cast(%s as decimal(32, 2))" sqls := make([]string, 0, len(aggFuncs)+len(aggFuncs2)) for _, af := range aggFuncs { From 026305eb0248b1876d6fbf31c2b0e35c7e4c0686 Mon Sep 17 00:00:00 2001 From: crazycs Date: Mon, 30 Nov 2020 15:49:05 +0800 Subject: [PATCH 0329/1021] *: update go.mod for sysutil (#21373) Signed-off-by: crazycs520 --- go.mod | 2 +- go.sum | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/go.mod b/go.mod index 8af39dff7e37e..010bd52c7589d 100644 --- a/go.mod +++ b/go.mod @@ -48,7 +48,7 @@ require ( github.com/pingcap/kvproto v0.0.0-20201130052818-5dfa7b1325a3 github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 github.com/pingcap/parser v0.0.0-20201123080035-8f4c6ab94e11 - github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 + github.com/pingcap/sysutil v0.0.0-20201130064824-f0c8aa6a6966 github.com/pingcap/tidb-lightning v4.0.9-0.20201106041742-a1ac97827a27+incompatible github.com/pingcap/tidb-tools v4.0.9-0.20201127090955-2707c97b3853+incompatible github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f diff --git a/go.sum b/go.sum index fad7168307eff..56a848b8bdfe2 100644 --- a/go.sum +++ b/go.sum @@ -696,8 +696,9 @@ github.com/pingcap/pd/v4 v4.0.0-rc.1.0.20200422143320-428acd53eba2/go.mod h1:s+u github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= github.com/pingcap/sysutil v0.0.0-20200408114249-ed3bd6f7fdb1/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= github.com/pingcap/sysutil v0.0.0-20200715082929-4c47bcac246a/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= -github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2 h1:b2G/eqDeywtdJF3w9nIUdqMmXChsmpLvf4FzUxJ9Vmk= github.com/pingcap/sysutil v0.0.0-20201021075216-f93ced2829e2/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= +github.com/pingcap/sysutil v0.0.0-20201130064824-f0c8aa6a6966 h1:JI0wOAb8aQML0vAVLHcxTEEC0VIwrk6gtw3WjbHvJLA= +github.com/pingcap/sysutil v0.0.0-20201130064824-f0c8aa6a6966/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= github.com/pingcap/tidb v1.1.0-beta.0.20200423094549-0ad7ce6cdae6/go.mod h1:KJXj2xHYfl1x4zcusC2JEANzVci+ietFOMh/CAmrYdw= github.com/pingcap/tidb-insight v0.3.1/go.mod h1:HZ6cGBYxViftTKLbl/V4moRol79bifZzI9ImGavJms0= github.com/pingcap/tidb-lightning v4.0.9-0.20201106041742-a1ac97827a27+incompatible h1:y6cwuJJo8tLeHjgjODpwCSqNAv1g+9WUtcsFOHu/7ag= From 3e073c8a0878db6ab85ce255ad7db804e35d5225 Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Mon, 30 Nov 2020 16:35:43 +0800 Subject: [PATCH 0330/1021] planner: set dbName for hinted query block table alias (#21213) --- planner/core/integration_test.go | 11 +++++++++++ planner/core/logical_plan_builder.go | 6 +++++- 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index fedaf7be3b02f..72dfc8f47ec5c 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1862,6 +1862,17 @@ func (s *testIntegrationSerialSuite) TestIssue20710(c *C) { } } +func (s *testIntegrationSuite) TestQueryBlockTableAliasInHint(c *C) { + tk := testkit.NewTestKit(c, s.store) + + tk.MustExec("use test") + c.Assert(tk.HasPlan("select /*+ HASH_JOIN(@sel_1 t2) */ * FROM (select 1) t1 NATURAL LEFT JOIN (select 2) t2", "HashJoin"), IsTrue) + tk.MustQuery("select /*+ HASH_JOIN(@sel_1 t2) */ * FROM (select 1) t1 NATURAL LEFT JOIN (select 2) t2").Check(testkit.Rows( + "1 2", + )) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) +} + func (s *testIntegrationSuite) TestIssue10448(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index bbf8ff9c7fab2..6aaad89917a34 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -473,7 +473,11 @@ func extractTableAlias(p Plan, parentOffset int) *hintTableInfo { if blockOffset != parentOffset && blockAsNames != nil && blockAsNames[blockOffset].TableName.L != "" { blockOffset = parentOffset } - return &hintTableInfo{dbName: firstName.DBName, tblName: firstName.TblName, selectOffset: blockOffset} + dbName := firstName.DBName + if dbName.L == "" { + dbName = model.NewCIStr(p.SCtx().GetSessionVars().CurrentDB) + } + return &hintTableInfo{dbName: dbName, tblName: firstName.TblName, selectOffset: blockOffset} } return nil } From 67f83a4d3a8da9ba20e53fea826e19fb82d88556 Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Mon, 30 Nov 2020 17:29:59 +0800 Subject: [PATCH 0331/1021] util/hint: fix ineffective index hint for delete / update in SQL Bind (#21104) --- bindinfo/bind_test.go | 17 ++++++++++++++++- util/hint/hint_processor.go | 20 ++++++++++---------- 2 files changed, 26 insertions(+), 11 deletions(-) diff --git a/bindinfo/bind_test.go b/bindinfo/bind_test.go index 023ce1498907e..eb4ce8dc50d7f 100644 --- a/bindinfo/bind_test.go +++ b/bindinfo/bind_test.go @@ -639,7 +639,7 @@ func (s *testSuite) TestDMLSQLBind(c *C) { tk := testkit.NewTestKit(c, s.store) s.cleanBindingEnv(tk) tk.MustExec("use test") - tk.MustExec("drop table if exists t") + tk.MustExec("drop table if exists t1, t2") tk.MustExec("create table t1(a int, b int, c int, key idx_b(b), key idx_c(c))") tk.MustExec("create table t2(a int, b int, c int, key idx_b(b), key idx_c(c))") @@ -1688,3 +1688,18 @@ func (s *testSuite) TestIssue19836(c *C) { ) tk.MustQuery("explain for connection " + strconv.FormatUint(tk.Se.ShowProcess().ID, 10)).Check(explainResult) } + +func (s *testSuite) TestDMLIndexHintBind(c *C) { + tk := testkit.NewTestKit(c, s.store) + s.cleanBindingEnv(tk) + tk.MustExec("use test") + tk.MustExec("create table t(a int, b int, c int, key idx_b(b), key idx_c(c))") + + tk.MustExec("delete from t where b = 1 and c > 1") + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t:idx_b") + c.Assert(tk.MustUseIndex("delete from t where b = 1 and c > 1", "idx_b(b)"), IsTrue) + tk.MustExec("create global binding for delete from t where b = 1 and c > 1 using delete from t use index(idx_c) where b = 1 and c > 1") + tk.MustExec("delete from t where b = 1 and c > 1") + c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t:idx_c") + c.Assert(tk.MustUseIndex("delete from t where b = 1 and c > 1", "idx_c(c)"), IsTrue) +} diff --git a/util/hint/hint_processor.go b/util/hint/hint_processor.go index b0a1854dbd0a0..62e1e734f99fc 100644 --- a/util/hint/hint_processor.go +++ b/util/hint/hint_processor.go @@ -189,10 +189,10 @@ func (hs *HintsSet) Restore() (string, error) { type hintProcessor struct { *HintsSet // bindHint2Ast indicates the behavior of the processor, `true` for bind hint to ast, `false` for extract hint from ast. - bindHint2Ast bool - tableCounter int - indexCounter int - selectCounter int + bindHint2Ast bool + tableCounter int + indexCounter int + blockCounter int } func (hp *hintProcessor) Enter(in ast.Node) (ast.Node, bool) { @@ -208,11 +208,10 @@ func (hp *hintProcessor) Enter(in ast.Node) (ast.Node, bool) { } else { hp.tableHints = append(hp.tableHints, ExtractTableHintsFromStmtNode(in, nil)) } - if _, ok := in.(*ast.SelectStmt); ok { - hp.selectCounter++ - } + hp.blockCounter++ case *ast.TableName: - if hp.selectCounter == 0 { + // Insert cases. + if hp.blockCounter == 0 { return in, false } if hp.bindHint2Ast { @@ -230,8 +229,9 @@ func (hp *hintProcessor) Enter(in ast.Node) (ast.Node, bool) { } func (hp *hintProcessor) Leave(in ast.Node) (ast.Node, bool) { - if _, ok := in.(*ast.SelectStmt); ok { - hp.selectCounter-- + switch in.(type) { + case *ast.SelectStmt, *ast.UpdateStmt, *ast.DeleteStmt: + hp.blockCounter-- } return in, true } From 59b8e7597b5f88b5eafa07340ecd2a70e939be5e Mon Sep 17 00:00:00 2001 From: Zhou Kunqin <25057648+time-and-fate@users.noreply.github.com> Date: Mon, 30 Nov 2020 19:08:57 +0800 Subject: [PATCH 0332/1021] session: fix the bug that may cause upgrading from v4.0 fail (#21350) --- session/bootstrap.go | 140 ++++++++++++++++++++++--------------------- session/session.go | 2 +- 2 files changed, 72 insertions(+), 70 deletions(-) diff --git a/session/bootstrap.go b/session/bootstrap.go index 8f972727973d0..e0abf419351be 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -403,7 +403,7 @@ const ( version36 = 36 version37 = 37 version38 = 38 - version39 = 39 + // version39 will be redone in version46 so it's skipped here. // version40 is the version that introduce new collation in TiDB, // see https://github.com/pingcap/tidb/pull/14574 for more details. version40 = 40 @@ -421,9 +421,8 @@ const ( // version47 add Source to bindings to indicate the way binding created. version47 = 47 // version48 reset all deprecated concurrency related system-variables if they were all default value. - version48 = 48 // version49 introduces mysql.stats_extended table. - version49 = 49 + // Both version48 and version49 will be redone in version55 and version56 so they're skipped here. // version50 add mysql.schema_index_usage table. version50 = 50 // version51 introduces CreateTablespacePriv to mysql.user. @@ -434,6 +433,10 @@ const ( version53 = 53 // version54 writes a variable `mem_quota_query` to mysql.tidb if it's a cluster upgraded from v3.0.x to v4.0.9. version54 = 54 + // version55 fixes the bug that upgradeToVer48 would be missed when upgrading from v4.0 to a new version + version55 = 55 + // version56 fixes the bug that upgradeToVer49 would be missed when upgrading from v4.0 to a new version + version56 = 56 ) var ( @@ -475,7 +478,8 @@ var ( upgradeToVer36, upgradeToVer37, upgradeToVer38, - upgradeToVer39, + // We will redo upgradeToVer39 in upgradeToVer46, + // so upgradeToVer39 is skipped here. upgradeToVer40, upgradeToVer41, upgradeToVer42, @@ -484,13 +488,15 @@ var ( upgradeToVer45, upgradeToVer46, upgradeToVer47, - upgradeToVer48, - upgradeToVer49, + // We will redo upgradeToVer48 and upgradeToVer49 in upgradeToVer55 and upgradeToVer56, + // so upgradeToVer48 and upgradeToVer49 is skipped here. upgradeToVer50, upgradeToVer51, upgradeToVer52, upgradeToVer53, upgradeToVer54, + upgradeToVer55, + upgradeToVer56, } ) @@ -1017,16 +1023,6 @@ func upgradeToVer38(s Session, ver int64) { } } -func upgradeToVer39(s Session, ver int64) { - if ver >= version39 { - return - } - doReentrantDDL(s, "ALTER TABLE mysql.user ADD COLUMN `Reload_priv` ENUM('N','Y') DEFAULT 'N'", infoschema.ErrColumnExists) - doReentrantDDL(s, "ALTER TABLE mysql.user ADD COLUMN `File_priv` ENUM('N','Y') DEFAULT 'N'", infoschema.ErrColumnExists) - mustExecute(s, "UPDATE HIGH_PRIORITY mysql.user SET Reload_priv='Y' WHERE Super_priv='Y'") - mustExecute(s, "UPDATE HIGH_PRIORITY mysql.user SET File_priv='Y' WHERE Super_priv='Y'") -} - func writeNewCollationParameter(s Session, flag bool) { comment := "If the new collations are enabled. Do not edit it." b := varFalse @@ -1122,8 +1118,60 @@ func upgradeToVer47(s Session, ver int64) { doReentrantDDL(s, "ALTER TABLE mysql.bind_info ADD COLUMN `source` varchar(10) NOT NULL default 'unknown'", infoschema.ErrColumnExists) } -func upgradeToVer48(s Session, ver int64) { - if ver >= version48 { +func upgradeToVer50(s Session, ver int64) { + if ver >= version50 { + return + } + doReentrantDDL(s, CreateSchemaIndexUsageTable) +} + +func upgradeToVer51(s Session, ver int64) { + if ver >= version51 { + return + } + doReentrantDDL(s, "ALTER TABLE mysql.user ADD COLUMN `Create_tablespace_priv` ENUM('N','Y') DEFAULT 'N'", infoschema.ErrColumnExists) + mustExecute(s, "UPDATE HIGH_PRIORITY mysql.user SET Create_tablespace_priv='Y' where Super_priv='Y'") +} + +func upgradeToVer52(s Session, ver int64) { + if ver >= version52 { + return + } + doReentrantDDL(s, "ALTER TABLE mysql.stats_histograms MODIFY cm_sketch BLOB(6291456)") +} + +func upgradeToVer53(s Session, ver int64) { + if ver >= version53 { + return + } + // when upgrade from old tidb and no `tidb_enable_strict_double_type_check` in GLOBAL_VARIABLES, init it with 1` + sql := fmt.Sprintf("INSERT IGNORE INTO %s.%s (`VARIABLE_NAME`, `VARIABLE_VALUE`) VALUES ('%s', '%d')", + mysql.SystemDB, mysql.GlobalVariablesTable, variable.TiDBEnableStrictDoubleTypeCheck, 0) + mustExecute(s, sql) +} + +func upgradeToVer54(s Session, ver int64) { + if ver >= version54 { + return + } + // The mem-query-quota default value is 32GB by default in v3.0, and 1GB by + // default in v4.0. + // If a cluster is upgraded from v3.0.x (bootstrapVer <= version38) to + // v4.0.9+, we'll write the default value to mysql.tidb. Thus we can get the + // default value of mem-quota-query, and promise the compatibility even if + // the tidb-server restarts. + // If it's a newly deployed cluster, we do not need to write the value into + // mysql.tidb, since no compatibility problem will happen. + if ver <= version38 { + writeMemoryQuotaQuery(s) + } +} + +// When cherry-pick upgradeToVer52 to v4.0, we wrongly name it upgradeToVer48. +// If we upgrade from v4.0 to a newer version, the real upgradeToVer48 will be missed. +// So we redo upgradeToVer48 here to make sure the upgrading from v4.0 succeeds. +func upgradeToVer55(s Session, ver int64) { + if ver >= version55 { return } defValues := map[string]string{ @@ -1170,62 +1218,16 @@ func upgradeToVer48(s Session, ver int64) { mustExecute(s, "COMMIT") } -func upgradeToVer49(s Session, ver int64) { - if ver >= version49 { +// When cherry-pick upgradeToVer54 to v4.0, we wrongly name it upgradeToVer49. +// If we upgrade from v4.0 to a newer version, the real upgradeToVer49 will be missed. +// So we redo upgradeToVer49 here to make sure the upgrading from v4.0 succeeds. +func upgradeToVer56(s Session, ver int64) { + if ver >= version56 { return } doReentrantDDL(s, CreateStatsExtended) } -func upgradeToVer50(s Session, ver int64) { - if ver >= version50 { - return - } - doReentrantDDL(s, CreateSchemaIndexUsageTable) -} - -func upgradeToVer51(s Session, ver int64) { - if ver >= version51 { - return - } - doReentrantDDL(s, "ALTER TABLE mysql.user ADD COLUMN `Create_tablespace_priv` ENUM('N','Y') DEFAULT 'N'", infoschema.ErrColumnExists) - mustExecute(s, "UPDATE HIGH_PRIORITY mysql.user SET Create_tablespace_priv='Y' where Super_priv='Y'") -} - -func upgradeToVer52(s Session, ver int64) { - if ver >= version52 { - return - } - doReentrantDDL(s, "ALTER TABLE mysql.stats_histograms MODIFY cm_sketch BLOB(6291456)") -} - -func upgradeToVer53(s Session, ver int64) { - if ver >= version53 { - return - } - // when upgrade from old tidb and no `tidb_enable_strict_double_type_check` in GLOBAL_VARIABLES, init it with 1` - sql := fmt.Sprintf("INSERT IGNORE INTO %s.%s (`VARIABLE_NAME`, `VARIABLE_VALUE`) VALUES ('%s', '%d')", - mysql.SystemDB, mysql.GlobalVariablesTable, variable.TiDBEnableStrictDoubleTypeCheck, 0) - mustExecute(s, sql) -} - -func upgradeToVer54(s Session, ver int64) { - if ver >= version54 { - return - } - // The mem-query-quota default value is 32GB by default in v3.0, and 1GB by - // default in v4.0. - // If a cluster is upgraded from v3.0.x (bootstrapVer <= version38) to - // v4.0.9+, we'll write the default value to mysql.tidb. Thus we can get the - // default value of mem-quota-query, and promise the compatibility even if - // the tidb-server restarts. - // If it's a newly deployed cluster, we do not need to write the value into - // mysql.tidb, since no compatibility problem will happen. - if ver <= version38 { - writeMemoryQuotaQuery(s) - } -} - func writeMemoryQuotaQuery(s Session) { comment := "memory_quota_query is 32GB by default in v3.0.x, 1GB by default in v4.0.x" sql := fmt.Sprintf(`INSERT HIGH_PRIORITY INTO %s.%s VALUES ("%s", '%d', '%s') ON DUPLICATE KEY UPDATE VARIABLE_VALUE='%d'`, diff --git a/session/session.go b/session/session.go index 7ebb340ead7e7..f8f172e8a6a6b 100644 --- a/session/session.go +++ b/session/session.go @@ -2132,7 +2132,7 @@ func CreateSessionWithDomain(store kv.Storage, dom *domain.Domain) (*session, er const ( notBootstrapped = 0 - currentBootstrapVersion = version54 + currentBootstrapVersion = version56 ) func getStoreBootstrapVersion(store kv.Storage) int64 { From 546b8b5ab7833a8985736d4cba9ec5f91c7fbb9e Mon Sep 17 00:00:00 2001 From: Jack Yu Date: Mon, 30 Nov 2020 21:33:28 +0800 Subject: [PATCH 0333/1021] *: close transaction for all auto-committed SQLs (#21378) Signed-off-by: Shuaipeng Yu --- executor/simple_test.go | 10 ++++++++++ session/session.go | 2 +- 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/executor/simple_test.go b/executor/simple_test.go index 3a3468e1a4e52..c47fa2cf459e3 100644 --- a/executor/simple_test.go +++ b/executor/simple_test.go @@ -58,6 +58,16 @@ func (s *testSuite3) TestDo(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("do 1, @a:=1") tk.MustQuery("select @a").Check(testkit.Rows("1")) + + tk.MustExec("use test") + tk.MustExec("create table t (i int)") + tk.MustExec("insert into t values (1)") + tk2 := testkit.NewTestKit(c, s.store) + tk2.MustExec("use test") + tk.MustQuery("select * from t").Check(testkit.Rows("1")) + tk.MustExec("do @a := (select * from t where i = 1)") + tk2.MustExec("insert into t values (2)") + tk.MustQuery("select * from t").Check(testkit.Rows("1", "2")) } func (s *testSuite3) TestSetRoleAllCorner(c *C) { diff --git a/session/session.go b/session/session.go index f8f172e8a6a6b..53d11a54195bc 100644 --- a/session/session.go +++ b/session/session.go @@ -1327,7 +1327,6 @@ func runStmt(ctx context.Context, se *session, s sqlexec.Statement) (rs sqlexec. se.StmtCommit() } } - err = finishStmt(ctx, se, err, s) } if rs != nil { return &execStmtResult{ @@ -1337,6 +1336,7 @@ func runStmt(ctx context.Context, se *session, s sqlexec.Statement) (rs sqlexec. }, err } + err = finishStmt(ctx, se, err, s) if se.hasQuerySpecial() { // The special query will be handled later in handleQuerySpecial, // then should call the ExecStmt.FinishExecuteStmt to finish this statement. From c4e5096aabf6f8aeb4bd0d8213e9554541207167 Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Tue, 1 Dec 2020 11:41:59 +0800 Subject: [PATCH 0334/1021] planner: fix unexpected bad plan when IndexJoin inner side estRow is 0. (#21084) --- planner/core/exhaust_physical_plans.go | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/planner/core/exhaust_physical_plans.go b/planner/core/exhaust_physical_plans.go index 1daad26032085..8c4c6ad5a82b5 100644 --- a/planner/core/exhaust_physical_plans.go +++ b/planner/core/exhaust_physical_plans.go @@ -1033,16 +1033,6 @@ func (p *LogicalJoin) constructInnerIndexScanTask( } is.initSchema(append(path.FullIdxCols, ds.commonHandleCols...), cop.tablePlan != nil) indexConds, tblConds := ds.splitIndexFilterConditions(filterConds, path.FullIdxCols, path.FullIdxColLens, ds.tableInfo) - // Specially handle cases when input rowCount is 0, which can only happen in 2 scenarios: - // - estimated row count of outer plan is 0; - // - estimated row count of inner "DataSource + filters" is 0; - // if it is the first case, it does not matter what row count we set for inner task, since the cost of index join would - // always be 0 then; - // if it is the second case, HashJoin should always be cheaper than IndexJoin then, so we set row count of inner task - // to table size, to simply make it more expensive. - if rowCount <= 0 { - rowCount = ds.tableStats.RowCount - } if maxOneRow { // Theoretically, this line is unnecessary because row count estimation of join should guarantee rowCount is not larger // than 1.0; however, there may be rowCount larger than 1.0 in reality, e.g, pseudo statistics cases, which does not reflect From 35eec1b062190788c073c93f50e578f3dd8aafc1 Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Tue, 1 Dec 2020 12:14:17 +0800 Subject: [PATCH 0335/1021] expression: fix the `in` function get the wrong result if args is time type (#21293) --- expression/builtin_other.go | 8 ++++---- expression/builtin_other_vec_generated.go | 2 +- expression/generator/other_vec.go | 6 ++++++ expression/integration_test.go | 9 +++++++++ 4 files changed, 20 insertions(+), 5 deletions(-) diff --git a/expression/builtin_other.go b/expression/builtin_other.go index b2ecf84036590..649bf2c230605 100644 --- a/expression/builtin_other.go +++ b/expression/builtin_other.go @@ -472,12 +472,12 @@ func (b *builtinInDecimalSig) evalInt(row chunk.Row) (int64, bool, error) { // builtinInTimeSig see https://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#function_in type builtinInTimeSig struct { baseInSig - hashSet map[types.Time]struct{} + hashSet map[types.CoreTime]struct{} } func (b *builtinInTimeSig) buildHashMapForConstArgs(ctx sessionctx.Context) error { b.nonConstArgs = []Expression{b.args[0]} - b.hashSet = make(map[types.Time]struct{}, len(b.args)-1) + b.hashSet = make(map[types.CoreTime]struct{}, len(b.args)-1) for i := 1; i < len(b.args); i++ { if b.args[i].ConstItem(b.ctx.GetSessionVars().StmtCtx) { val, isNull, err := b.args[i].EvalTime(ctx, chunk.Row{}) @@ -488,7 +488,7 @@ func (b *builtinInTimeSig) buildHashMapForConstArgs(ctx sessionctx.Context) erro b.hasNull = true continue } - b.hashSet[val] = struct{}{} + b.hashSet[val.CoreTime()] = struct{}{} } else { b.nonConstArgs = append(b.nonConstArgs, b.args[i]) } @@ -517,7 +517,7 @@ func (b *builtinInTimeSig) evalInt(row chunk.Row) (int64, bool, error) { args := b.args if len(b.hashSet) != 0 { args = b.nonConstArgs - if _, ok := b.hashSet[arg0]; ok { + if _, ok := b.hashSet[arg0.CoreTime()]; ok { return 1, false, nil } } diff --git a/expression/builtin_other_vec_generated.go b/expression/builtin_other_vec_generated.go index b19676230f6a7..e44f2f6759ca0 100644 --- a/expression/builtin_other_vec_generated.go +++ b/expression/builtin_other_vec_generated.go @@ -408,7 +408,7 @@ func (b *builtinInTimeSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) continue } arg0 := args0[i] - if _, ok := b.hashSet[arg0]; ok { + if _, ok := b.hashSet[arg0.CoreTime()]; ok { r64s[i] = 1 result.SetNull(i, false) } diff --git a/expression/generator/other_vec.go b/expression/generator/other_vec.go index f65eed482d1e0..5096f1d8e5940 100644 --- a/expression/generator/other_vec.go +++ b/expression/generator/other_vec.go @@ -120,6 +120,7 @@ var builtinInTmpl = template.Must(template.New("builtinInTmpl").Parse(` {{ $InputString := (eq .Input.TypeName "String") }} {{ $InputFixed := ( .Input.Fixed ) }} {{ $UseHashKey := ( or (eq .Input.TypeName "Decimal") (eq .Input.TypeName "JSON") )}} +{{ $InputTime := (eq .Input.TypeName "Time") }} func (b *{{.SigName}}) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error { n := input.NumRows() {{- template "BufAllocator" . }} @@ -188,6 +189,11 @@ func (b *{{.SigName}}) vecEvalInt(input *chunk.Chunk, result *chunk.Column) erro r64s[i] = 1 result.SetNull(i, false) } + {{- else if $InputTime }} + if _, ok := b.hashSet[arg0.CoreTime()]; ok { + r64s[i] = 1 + result.SetNull(i, false) + } {{- else }} if _, ok := b.hashSet[arg0]; ok { r64s[i] = 1 diff --git a/expression/integration_test.go b/expression/integration_test.go index 67208b554ae8a..b26b3c117e000 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7751,6 +7751,15 @@ func (s *testIntegrationSerialSuite) TestIssue20608(c *C) { tk.MustQuery("select '䇇Հ' collate utf8mb4_bin like '___Հ';").Check(testkit.Rows("0")) } +func (s *testIntegrationSerialSuite) TestIssue21290(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t1;") + tk.MustExec("create table t1(a date);") + tk.MustExec("insert into t1 values (20100202);") + tk.MustQuery("select a in ('2020-02-02', 20100202) from t1;").Check(testkit.Rows("1")) +} + func (s *testIntegrationSuite) TestIssue17868(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") From c94e0df372ed9077763f1c66927a106d510b0d30 Mon Sep 17 00:00:00 2001 From: Yuanjia Zhang Date: Tue, 1 Dec 2020 13:06:22 +0800 Subject: [PATCH 0336/1021] executor: fix test problems in TestIssue20658 (#21405) Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com> --- executor/aggregate_test.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/executor/aggregate_test.go b/executor/aggregate_test.go index 459c128454245..af5ac09822221 100644 --- a/executor/aggregate_test.go +++ b/executor/aggregate_test.go @@ -1251,7 +1251,7 @@ func (s *testSuiteAgg) TestIssue20658(c *C) { aggFuncs := []string{"count(a)", "sum(a)", "avg(a)", "max(a)", "min(a)", "bit_or(a)", "bit_xor(a)", "bit_and(a)"} aggFuncs2 := []string{"var_pop(a)", "var_samp(a)", "stddev_pop(a)", "stddev_samp(a)", "approx_count_distinct(a)", "approx_percentile(a, 7)"} sqlFormat := "select /*+ stream_agg() */ %s from t group by b;" - castFormat := "cast(%s as decimal(32, 2))" + castFormat := "cast(%s as decimal(32, 1))" sqls := make([]string, 0, len(aggFuncs)+len(aggFuncs2)) for _, af := range aggFuncs { From 5131514ebb8b11bdd6decebf359e8be26eab54db Mon Sep 17 00:00:00 2001 From: wjHuang Date: Tue, 1 Dec 2020 14:08:41 +0800 Subject: [PATCH 0337/1021] statistics: fix a bug which causes panic when using the clustered index and the new collation (#21379) Signed-off-by: wjhuang2016 --- expression/integration_test.go | 19 +++++++++++++++++++ statistics/histogram.go | 12 ++---------- 2 files changed, 21 insertions(+), 10 deletions(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index b26b3c117e000..85bd6fb3313bd 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -8029,3 +8029,22 @@ func (s *testIntegrationSuite) TestIssue19892(c *C) { tk.MustQuery("SELECT c FROM dd").Check(testkit.Rows("0000-00-00 00:00:00")) } } + +func (s *testIntegrationSerialSuite) TestIssue20876(c *C) { + collate.SetNewCollationEnabledForTest(true) + defer collate.SetNewCollationEnabledForTest(false) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("set @@tidb_enable_clustered_index=1;") + tk.MustExec("use test") + tk.MustExec("drop table if exists t;") + tk.MustExec("CREATE TABLE `t` (" + + " `a` char(10) COLLATE utf8mb4_unicode_ci NOT NULL," + + " `b` char(20) COLLATE utf8mb4_general_ci NOT NULL," + + " `c` int(11) NOT NULL," + + " PRIMARY KEY (`a`,`b`,`c`)," + + " KEY `idx` (`a`)" + + ")") + tk.MustExec("insert into t values ('#', 'C', 10), ('$', 'c', 20), ('$', 'c', 30), ('a', 'a', 10), ('A', 'A', 30)") + tk.MustExec("analyze table t") + tk.MustQuery("select * from t where a='#';").Check(testkit.Rows("# C 10")) +} diff --git a/statistics/histogram.go b/statistics/histogram.go index f263ff30c803e..2961e783e3688 100644 --- a/statistics/histogram.go +++ b/statistics/histogram.go @@ -820,18 +820,10 @@ func (c *Column) GetColumnRowCount(sc *stmtctx.StatementContext, ranges []*range highVal := *rg.HighVal[0].Clone() lowVal := *rg.LowVal[0].Clone() if highVal.Kind() == types.KindString { - highVal.SetBytesAsString(collate.GetCollator( - highVal.Collation()).Key(highVal.GetString()), - highVal.Collation(), - uint32(highVal.Length()), - ) + highVal.SetBytes(collate.GetCollator(highVal.Collation()).Key(highVal.GetString())) } if lowVal.Kind() == types.KindString { - lowVal.SetBytesAsString(collate.GetCollator( - lowVal.Collation()).Key(lowVal.GetString()), - lowVal.Collation(), - uint32(lowVal.Length()), - ) + lowVal.SetBytes(collate.GetCollator(lowVal.Collation()).Key(lowVal.GetString())) } cmp, err := lowVal.CompareDatum(sc, &highVal) if err != nil { From ac660c2fa534ffb2740b245f581ea93ce163f2cb Mon Sep 17 00:00:00 2001 From: wjHuang Date: Tue, 1 Dec 2020 14:22:18 +0800 Subject: [PATCH 0338/1021] ddl: change a log's level from error to warn (#21389) Signed-off-by: wjhuang2016 --- ddl/ddl_worker.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ddl/ddl_worker.go b/ddl/ddl_worker.go index 6c7cea6acdce0..189c7f3c504d6 100644 --- a/ddl/ddl_worker.go +++ b/ddl/ddl_worker.go @@ -154,7 +154,7 @@ func (w *worker) start(d *ddlCtx) { err := w.handleDDLJobQueue(d) if err != nil { - logutil.Logger(w.logCtx).Error("[ddl] handle DDL job failed", zap.Error(err)) + logutil.Logger(w.logCtx).Warn("[ddl] handle DDL job failed", zap.Error(err)) } } } From fb80822390c49aabf2c220d4892f3bc0c7b1c113 Mon Sep 17 00:00:00 2001 From: wjHuang Date: Tue, 1 Dec 2020 14:27:18 +0800 Subject: [PATCH 0339/1021] ddl: return an error if the alter table option is invalid (#21392) Signed-off-by: wjhuang2016 --- ddl/db_test.go | 8 ++++++++ ddl/ddl_api.go | 2 ++ ddl/error.go | 1 + 3 files changed, 11 insertions(+) diff --git a/ddl/db_test.go b/ddl/db_test.go index 7c706d71991df..92a040486328e 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -6471,3 +6471,11 @@ func (s *testDBSuite4) TestGeneratedColumnWindowFunction(c *C) { tk.MustGetErrCode("CREATE TABLE t (a INT , b INT as (ROW_NUMBER() OVER (ORDER BY a)))", errno.ErrWindowInvalidWindowFuncUse) tk.MustGetErrCode("CREATE TABLE t (a INT , index idx ((ROW_NUMBER() OVER (ORDER BY a))))", errno.ErrWindowInvalidWindowFuncUse) } + +func (s *testDBSuite4) TestUnsupportedAlterTableOption(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test_db") + tk.MustExec("DROP TABLE IF EXISTS t") + tk.MustExec("create table t(a char(10) not null,b char(20)) shard_row_id_bits=6;") + tk.MustGetErrCode("alter table t pre_split_regions=6;", errno.ErrUnsupportedDDLOperation) +} diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index ae7fefcf74c89..4a1c3e786f88f 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -2456,6 +2456,8 @@ func (d *ddl) AlterTable(ctx sessionctx.Context, ident ast.Ident, specs []*ast.A needsOverwriteCols := needToOverwriteColCharset(spec.Options) err = d.AlterTableCharsetAndCollate(ctx, ident, toCharset, toCollate, needsOverwriteCols) handledCharsetOrCollate = true + default: + err = errUnsupportedAlterTableOption } if err != nil { diff --git a/ddl/error.go b/ddl/error.go index 4353ccd78eb1c..8cb6dc1ecd5ef 100644 --- a/ddl/error.go +++ b/ddl/error.go @@ -47,6 +47,7 @@ var ( errUnsupportedShardRowIDBits = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message(fmt.Sprintf(mysql.MySQLErrName[mysql.ErrUnsupportedDDLOperation].Raw, "shard_row_id_bits for table with primary key as row id"), nil)) errUnsupportedAlterTableWithValidation = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message("ALTER TABLE WITH VALIDATION is currently unsupported", nil)) errUnsupportedAlterTableWithoutValidation = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message("ALTER TABLE WITHOUT VALIDATION is currently unsupported", nil)) + errUnsupportedAlterTableOption = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message("This type of ALTER TABLE is currently unsupported", nil)) errBlobKeyWithoutLength = dbterror.ClassDDL.NewStd(mysql.ErrBlobKeyWithoutLength) errKeyPart0 = dbterror.ClassDDL.NewStd(mysql.ErrKeyPart0) errIncorrectPrefixKey = dbterror.ClassDDL.NewStd(mysql.ErrWrongSubKey) From 90c7987763924ed82f759dad699805f753271800 Mon Sep 17 00:00:00 2001 From: Yiding Cui Date: Tue, 1 Dec 2020 17:02:51 +0800 Subject: [PATCH 0340/1021] executor: add `SHOW STATS_TOPN` (#21403) --- executor/analyze_test.go | 2 ++ executor/show.go | 2 ++ executor/show_stats.go | 72 +++++++++++++++++++++++++++++++++++++ go.mod | 2 +- go.sum | 4 +-- planner/core/planbuilder.go | 5 ++- 6 files changed, 83 insertions(+), 4 deletions(-) diff --git a/executor/analyze_test.go b/executor/analyze_test.go index 98eec4624c66e..f102c1a6747e7 100644 --- a/executor/analyze_test.go +++ b/executor/analyze_test.go @@ -641,6 +641,8 @@ func (s *testSuite1) TestExtractTopN(c *C) { c.Assert(len(idxStats.TopN.TopN), Equals, 1) idxItem := idxStats.TopN.TopN[0] c.Assert(idxItem.Count, Equals, uint64(11)) + // The columns are: DBName, table name, column name, is index, value, count. + tk.MustQuery("show stats_topn").Sort().Check(testkit.Rows("test t b 0 0 11", "test t index_b 1 0 11")) } func (s *testSuite1) TestHashInTopN(c *C) { diff --git a/executor/show.go b/executor/show.go index c38e34bd626aa..69aa901bcaef7 100644 --- a/executor/show.go +++ b/executor/show.go @@ -183,6 +183,8 @@ func (e *ShowExec) fetchAll(ctx context.Context) error { return e.fetchShowStatsHistogram() case ast.ShowStatsBuckets: return e.fetchShowStatsBuckets() + case ast.ShowStatsTopN: + return e.fetchShowStatsTopN() case ast.ShowStatsHealthy: e.fetchShowStatsHealthy() return nil diff --git a/executor/show_stats.go b/executor/show_stats.go index ac6a1542e98ab..ad9c454e4b96f 100644 --- a/executor/show_stats.go +++ b/executor/show_stats.go @@ -160,6 +160,78 @@ func (e *ShowExec) appendTableForStatsBuckets(dbName, tblName, partitionName str return nil } +func (e *ShowExec) fetchShowStatsTopN() error { + do := domain.GetDomain(e.ctx) + h := do.StatsHandle() + dbs := do.InfoSchema().AllSchemas() + for _, db := range dbs { + for _, tbl := range db.Tables { + pi := tbl.GetPartitionInfo() + if pi == nil || e.ctx.GetSessionVars().UseDynamicPartitionPrune() { + if err := e.appendTableForStatsTopN(db.Name.O, tbl.Name.O, "", h.GetTableStats(tbl)); err != nil { + return err + } + } else { + for _, def := range pi.Definitions { + if err := e.appendTableForStatsTopN(db.Name.O, tbl.Name.O, def.Name.O, h.GetPartitionStats(tbl, def.ID)); err != nil { + return err + } + } + } + } + } + return nil +} + +func (e *ShowExec) appendTableForStatsTopN(dbName, tblName, partitionName string, statsTbl *statistics.Table) error { + if statsTbl.Pseudo { + return nil + } + colNameToType := make(map[string]byte, len(statsTbl.Columns)) + for _, col := range statsTbl.Columns { + err := e.topNToRows(dbName, tblName, partitionName, col.Info.Name.O, 1, 0, col.TopN, []byte{col.Histogram.Tp.Tp}) + if err != nil { + return errors.Trace(err) + } + colNameToType[col.Info.Name.O] = col.Histogram.Tp.Tp + } + for _, idx := range statsTbl.Indices { + idxColumnTypes := make([]byte, 0, len(idx.Info.Columns)) + for i := 0; i < len(idx.Info.Columns); i++ { + idxColumnTypes = append(idxColumnTypes, colNameToType[idx.Info.Columns[i].Name.O]) + } + err := e.topNToRows(dbName, tblName, partitionName, idx.Info.Name.O, len(idx.Info.Columns), 1, idx.TopN, idxColumnTypes) + if err != nil { + return errors.Trace(err) + } + } + return nil +} + +func (e *ShowExec) topNToRows(dbName, tblName, partitionName, colName string, numOfCols int, isIndex int, topN *statistics.TopN, columnTypes []byte) error { + if topN == nil { + return nil + } + var tmpDatum types.Datum + for i := 0; i < len(topN.TopN); i++ { + tmpDatum.SetBytes(topN.TopN[i].Encoded) + valStr, err := statistics.ValueToString(e.ctx.GetSessionVars(), &tmpDatum, numOfCols, columnTypes) + if err != nil { + return err + } + e.appendRow([]interface{}{ + dbName, + tblName, + partitionName, + colName, + isIndex, + valStr, + topN.TopN[i].Count, + }) + } + return nil +} + // bucketsToRows converts histogram buckets to rows. If the histogram is built from index, then numOfCols equals to number // of index columns, else numOfCols is 0. func (e *ShowExec) bucketsToRows(dbName, tblName, partitionName, colName string, numOfCols int, hist statistics.Histogram, idxColumnTypes []byte) error { diff --git a/go.mod b/go.mod index 010bd52c7589d..22b182f8b1d66 100644 --- a/go.mod +++ b/go.mod @@ -47,7 +47,7 @@ require ( github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20201130052818-5dfa7b1325a3 github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 - github.com/pingcap/parser v0.0.0-20201123080035-8f4c6ab94e11 + github.com/pingcap/parser v0.0.0-20201201081851-e13818a9916a github.com/pingcap/sysutil v0.0.0-20201130064824-f0c8aa6a6966 github.com/pingcap/tidb-lightning v4.0.9-0.20201106041742-a1ac97827a27+incompatible github.com/pingcap/tidb-tools v4.0.9-0.20201127090955-2707c97b3853+incompatible diff --git a/go.sum b/go.sum index 56a848b8bdfe2..9dc45def80977 100644 --- a/go.sum +++ b/go.sum @@ -689,8 +689,8 @@ github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 h1:M+DNpOu/I3uDmwee6vc github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/parser v0.0.0-20190506092653-e336082eb825/go.mod h1:1FNvfp9+J0wvc4kl8eGNh7Rqrxveg15jJoWo/a0uHwA= github.com/pingcap/parser v0.0.0-20200422082501-7329d80eaf2c/go.mod h1:9v0Edh8IbgjGYW2ArJr19E+bvL8zKahsFp+ixWeId+4= -github.com/pingcap/parser v0.0.0-20201123080035-8f4c6ab94e11 h1:CpYV3/Mp42Szvt8ne6g2ojLtBmsUq6o86JazeAj4pIo= -github.com/pingcap/parser v0.0.0-20201123080035-8f4c6ab94e11/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= +github.com/pingcap/parser v0.0.0-20201201081851-e13818a9916a h1:1ew23DwaNc1rJb85q3W5IpeQDQp3X+Fojv0qBo18oLk= +github.com/pingcap/parser v0.0.0-20201201081851-e13818a9916a/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= github.com/pingcap/pd v2.1.5+incompatible/go.mod h1:nD3+EoYes4+aNNODO99ES59V83MZSI+dFbhyr667a0E= github.com/pingcap/pd/v4 v4.0.0-rc.1.0.20200422143320-428acd53eba2/go.mod h1:s+utZtXDznOiL24VK0qGmtoHjjXNsscJx3m1n8cC56s= github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index 8ea9382cecec7..e124efedd4feb 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -1986,7 +1986,7 @@ func (b *PlanBuilder) buildShow(ctx context.Context, show *ast.ShowStmt) (Plan, p.setSchemaAndNames(buildShowNextRowID()) b.visitInfo = appendVisitInfo(b.visitInfo, mysql.SelectPriv, show.Table.Schema.L, show.Table.Name.L, "", ErrPrivilegeCheckFail) return p, nil - case ast.ShowStatsBuckets, ast.ShowStatsHistograms, ast.ShowStatsMeta, ast.ShowStatsHealthy: + case ast.ShowStatsBuckets, ast.ShowStatsHistograms, ast.ShowStatsMeta, ast.ShowStatsHealthy, ast.ShowStatsTopN: user := b.ctx.GetSessionVars().User var err error if user != nil { @@ -3432,6 +3432,9 @@ func buildShowSchema(s *ast.ShowStmt, isView bool, isSequence bool) (schema *exp "Repeats", "Lower_Bound", "Upper_Bound"} ftypes = []byte{mysql.TypeVarchar, mysql.TypeVarchar, mysql.TypeVarchar, mysql.TypeVarchar, mysql.TypeTiny, mysql.TypeLonglong, mysql.TypeLonglong, mysql.TypeLonglong, mysql.TypeVarchar, mysql.TypeVarchar} + case ast.ShowStatsTopN: + names = []string{"Db_name", "Table_name", "Partition_name", "Column_name", "Is_index", "Value", "Count"} + ftypes = []byte{mysql.TypeVarchar, mysql.TypeVarchar, mysql.TypeVarchar, mysql.TypeVarchar, mysql.TypeTiny, mysql.TypeVarchar, mysql.TypeLonglong} case ast.ShowStatsHealthy: names = []string{"Db_name", "Table_name", "Partition_name", "Healthy"} ftypes = []byte{mysql.TypeVarchar, mysql.TypeVarchar, mysql.TypeVarchar, mysql.TypeLonglong} From f1aed29d390a892df4fbb01edba5a80e46b2912d Mon Sep 17 00:00:00 2001 From: wjHuang Date: Tue, 1 Dec 2020 19:25:42 +0800 Subject: [PATCH 0341/1021] ddl: refine the error message for the expression index on primary key (#21419) Signed-off-by: wjhuang2016 --- ddl/db_integration_test.go | 1 + ddl/index.go | 3 +++ 2 files changed, 4 insertions(+) diff --git a/ddl/db_integration_test.go b/ddl/db_integration_test.go index 58da97f53bc2d..b5449616e94ca 100644 --- a/ddl/db_integration_test.go +++ b/ddl/db_integration_test.go @@ -2247,6 +2247,7 @@ func (s *testIntegrationSuite7) TestCreateExpressionIndexError(c *C) { tk.MustExec("create table t (j json, key k ((j+1),(j+1)))") tk.MustGetErrCode("create table t1 (col1 int, index ((concat(''))));", errno.ErrWrongKeyColumnFunctionalIndex) + tk.MustGetErrCode("CREATE TABLE t1 (col1 INT, PRIMARY KEY ((ABS(col1))));", errno.ErrFunctionalIndexPrimaryKey) } func (s *testIntegrationSuite7) TestAddExpressionIndexOnPartition(c *C) { diff --git a/ddl/index.go b/ddl/index.go index 0483388a887f4..14e73fb887113 100644 --- a/ddl/index.go +++ b/ddl/index.go @@ -101,6 +101,9 @@ func checkPKOnGeneratedColumn(tblInfo *model.TableInfo, indexPartSpecifications } // Virtual columns cannot be used in primary key. if lastCol.IsGenerated() && !lastCol.GeneratedStored { + if lastCol.Hidden { + return nil, ErrFunctionalIndexPrimaryKey + } return nil, ErrUnsupportedOnGeneratedColumn.GenWithStackByArgs("Defining a virtual generated column as primary key") } } From 7260f281e92379850aab28fb26cce64aa17ae06c Mon Sep 17 00:00:00 2001 From: wjHuang Date: Tue, 1 Dec 2020 19:46:48 +0800 Subject: [PATCH 0342/1021] ddl: get a correct name for long anonymous index (#21413) Signed-off-by: wjhuang2016 --- ddl/db_test.go | 13 +++++++++++++ ddl/ddl_api.go | 13 +++++++++++-- 2 files changed, 24 insertions(+), 2 deletions(-) diff --git a/ddl/db_test.go b/ddl/db_test.go index 92a040486328e..f34294b5b5763 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -6472,6 +6472,19 @@ func (s *testDBSuite4) TestGeneratedColumnWindowFunction(c *C) { tk.MustGetErrCode("CREATE TABLE t (a INT , index idx ((ROW_NUMBER() OVER (ORDER BY a))))", errno.ErrWindowInvalidWindowFuncUse) } +func (s *testDBSuite4) TestAnonymousIndex(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test_db") + tk.MustExec("DROP TABLE IF EXISTS t") + tk.MustExec("create table t(bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb int, b int);") + tk.MustExec("alter table t add index bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(b);") + tk.MustExec("alter table t add index (bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb);") + res := tk.MustQuery("show index from t where key_name='bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb';") + c.Assert(len(res.Rows()), Equals, 1) + res = tk.MustQuery("show index from t where key_name='bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb_2';") + c.Assert(len(res.Rows()), Equals, 1) +} + func (s *testDBSuite4) TestUnsupportedAlterTableOption(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test_db") diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 4a1c3e786f88f..c0fae539c4886 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -4608,10 +4608,16 @@ func getIdentKey(ident ast.Ident) string { return fmt.Sprintf("%s.%s", ident.Schema.L, ident.Name.L) } -func getAnonymousIndex(t table.Table, colName model.CIStr) model.CIStr { +func getAnonymousIndex(t table.Table, colName model.CIStr, idxName model.CIStr) model.CIStr { + // `id` is used to indicated the index name's suffix. id := 2 l := len(t.Indices()) indexName := colName + if idxName.O != "" { + // Use the provided index name, it only happens when the original index name is too long and be truncated. + indexName = idxName + id = 3 + } if strings.EqualFold(indexName.L, mysql.PrimaryKeyName) { indexName = model.NewCIStr(fmt.Sprintf("%s_%d", colName.O, id)) id = 3 @@ -4619,6 +4625,9 @@ func getAnonymousIndex(t table.Table, colName model.CIStr) model.CIStr { for i := 0; i < l; i++ { if t.Indices()[i].Meta().Name.L == indexName.L { indexName = model.NewCIStr(fmt.Sprintf("%s_%d", colName.O, id)) + if err := checkTooLongIndex(indexName); err != nil { + indexName = getAnonymousIndex(t, model.NewCIStr(colName.O[:30]), model.NewCIStr(fmt.Sprintf("%s_%d", colName.O[:30], 2))) + } i = -1 id++ } @@ -4800,7 +4809,7 @@ func (d *ddl) CreateIndex(ctx sessionctx.Context, ti ast.Ident, keyType ast.Inde if indexPartSpecifications[0].Column != nil { colName = indexPartSpecifications[0].Column.Name } - indexName = getAnonymousIndex(t, colName) + indexName = getAnonymousIndex(t, colName, model.NewCIStr("")) } if indexInfo := t.Meta().FindIndexByName(indexName.L); indexInfo != nil { From 2f33d57db1e72d03929b76b9481ddf31aed3d762 Mon Sep 17 00:00:00 2001 From: Chengpeng Yan <41809508+Reminiscent@users.noreply.github.com> Date: Tue, 1 Dec 2020 21:08:04 +0800 Subject: [PATCH 0343/1021] planner: detect unknown column in window clause (#21080) --- planner/core/logical_plan_builder.go | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index 6aaad89917a34..5759e0b5bd740 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -2828,7 +2828,10 @@ func (b *PlanBuilder) buildSelect(ctx context.Context, sel *ast.SelectStmt) (p L } hasWindowFuncField := b.detectSelectWindow(sel) - if hasWindowFuncField { + // Some SQL statements define WINDOW but do not use them. But we also need to check the window specification list. + // For example: select id from t group by id WINDOW w AS (ORDER BY uids DESC) ORDER BY id; + // We don't use the WINDOW w, but if the 'uids' column is not in the table t, we still need to report an error. + if hasWindowFuncField || sel.WindowSpecs != nil { windowAggMap, err = b.resolveWindowFunction(sel, p) if err != nil { return nil, err From 549a34f1e8d6bac23e2488420574d744f36aa1e5 Mon Sep 17 00:00:00 2001 From: Zejun Li Date: Wed, 2 Dec 2020 11:02:38 +0800 Subject: [PATCH 0344/1021] executor: fix duplicate error message in warnings (#20920) Co-authored-by: wjHuang --- executor/batch_checker.go | 32 ++++++++++++++++++++++++++++++-- executor/clustered_index_test.go | 2 +- executor/insert_test.go | 13 ++++++++++++- table/tables/tables.go | 29 +++++++++++++++++++++++++++-- 4 files changed, 70 insertions(+), 6 deletions(-) diff --git a/executor/batch_checker.go b/executor/batch_checker.go index 0986be3ff4548..aaa28b82e77b3 100644 --- a/executor/batch_checker.go +++ b/executor/batch_checker.go @@ -15,7 +15,9 @@ package executor import ( "context" + "strings" + "github.com/pingcap/errors" "github.com/pingcap/parser/model" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/kv" @@ -122,7 +124,21 @@ func getKeysNeedCheckOneRow(ctx sessionctx.Context, t table.Table, row []types.D var handleKey *keyValueWithDupInfo if handle != nil { fn := func() string { - return kv.GetDuplicateErrorHandleString(handle) + var str string + var err error + if t.Meta().IsCommonHandle { + data := make([]types.Datum, len(handleCols)) + for i, col := range handleCols { + data[i] = row[col.Offset] + } + str, err = formatDataForDupError(data) + } else { + str, err = row[handleCols[0].Offset].ToString() + } + if err != nil { + return kv.GetDuplicateErrorHandleString(handle) + } + return str } handleKey = &keyValueWithDupInfo{ newKey: t.RecordKey(handle), @@ -161,7 +177,7 @@ func getKeysNeedCheckOneRow(ctx sessionctx.Context, t table.Table, row []types.D if !distinct { continue } - colValStr, err1 := types.DatumsToString(colVals, false) + colValStr, err1 := formatDataForDupError(colVals) if err1 != nil { return nil, err1 } @@ -183,6 +199,18 @@ func getKeysNeedCheckOneRow(ctx sessionctx.Context, t table.Table, row []types.D return result, nil } +func formatDataForDupError(data []types.Datum) (string, error) { + strs := make([]string, 0, len(data)) + for _, datum := range data { + str, err := datum.ToString() + if err != nil { + return "", errors.Trace(err) + } + strs = append(strs, str) + } + return strings.Join(strs, "-"), nil +} + // getOldRow gets the table record row from storage for batch check. // t could be a normal table or a partition, but it must not be a PartitionedTable. func getOldRow(ctx context.Context, sctx sessionctx.Context, txn kv.Transaction, t table.Table, handle kv.Handle, diff --git a/executor/clustered_index_test.go b/executor/clustered_index_test.go index dd78ed70a71d1..23ed9ac1c6829 100644 --- a/executor/clustered_index_test.go +++ b/executor/clustered_index_test.go @@ -180,7 +180,7 @@ func (s *testClusteredSuite) TestClusteredPrefixingPrimaryKey(c *C) { tk.MustGetErrCode("update t set name = 'aaaaa' where name = 'bbb'", errno.ErrDupEntry) tk.MustExec("update ignore t set name = 'aaaaa' where name = 'bbb'") - tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1062 Duplicate entry 'aa' for key 'PRIMARY'")) + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1062 Duplicate entry 'aaaaa' for key 'PRIMARY'")) tk.MustExec("admin check table t;") } diff --git a/executor/insert_test.go b/executor/insert_test.go index 343e9747404a9..c0baa259aeac7 100644 --- a/executor/insert_test.go +++ b/executor/insert_test.go @@ -1440,7 +1440,7 @@ func (s *testSerialSuite) TestDuplicateEntryMessage(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") - for _, enable := range []int{0, 1} { + for _, enable := range []int{1, 0} { tk.MustExec(fmt.Sprintf("set session tidb_enable_clustered_index=%d;", enable)) tk.MustExec("drop table if exists t;") tk.MustExec("create table t(a int, b char(10), unique key(b)) collate utf8mb4_general_ci;") @@ -1481,6 +1481,17 @@ func (s *testSerialSuite) TestDuplicateEntryMessage(c *C) { tk.MustExec("create table t (a datetime, b int, c varchar(10), unique key (a, b, c)) collate utf8mb4_general_ci;") tk.MustExec("insert into t values ('2020-01-01', 1, 'aSDd');") tk.MustGetErrMsg("insert into t values ('2020-01-01', 1, 'ASDD');", "[kv:1062]Duplicate entry '2020-01-01 00:00:00-1-ASDD' for key 'a'") + + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t (a char(10) collate utf8mb4_unicode_ci, b char(20) collate utf8mb4_general_ci, c int(11), primary key (a, b, c), unique key (a));") + tk.MustExec("insert ignore into t values ('$', 'C', 10);") + tk.MustExec("insert ignore into t values ('$', 'C', 10);") + tk.MustQuery("show warnings;").Check(testutil.RowsWithSep("|", "Warning|1062|Duplicate entry '$-C-10' for key 'PRIMARY'")) + + tk.MustExec("begin pessimistic;") + tk.MustExec("insert into t values ('a7', 'a', 10);") + tk.MustGetErrMsg("insert into t values ('a7', 'a', 10);", "[kv:1062]Duplicate entry 'a7-a-10' for key 'PRIMARY'") + tk.MustExec("rollback;") } } diff --git a/table/tables/tables.go b/table/tables/tables.go index eed0d33209870..c49b91db9ebbc 100644 --- a/table/tables/tables.go +++ b/table/tables/tables.go @@ -742,7 +742,7 @@ func (t *TableCommon) AddRecord(sctx sessionctx.Context, r []types.Datum, opts . _, err = txn.Get(ctx, key) } if err == nil { - handleStr := kv.GetDuplicateErrorHandleString(recordID) + handleStr := getDuplicateErrorHandleString(t, recordID, r) return recordID, kv.ErrKeyExists.FastGenByArgs(handleStr, "PRIMARY") } else if !kv.ErrNotExist.Equal(err) { return recordID, err @@ -1474,7 +1474,7 @@ func CheckHandleExists(ctx context.Context, sctx sessionctx.Context, t table.Tab recordKey := t.RecordKey(recordID) _, err = txn.Get(ctx, recordKey) if err == nil { - handleStr := kv.GetDuplicateErrorHandleString(recordID) + handleStr := getDuplicateErrorHandleString(t, recordID, data) return kv.ErrKeyExists.FastGenByArgs(handleStr, "PRIMARY") } else if !kv.ErrNotExist.Equal(err) { return err @@ -1482,6 +1482,31 @@ func CheckHandleExists(ctx context.Context, sctx sessionctx.Context, t table.Tab return nil } +func getDuplicateErrorHandleString(t table.Table, handle kv.Handle, row []types.Datum) string { + if handle.IsInt() { + return kv.GetDuplicateErrorHandleString(handle) + } + var pk table.Index + for _, idx := range t.Indices() { + if idx.Meta().Primary { + pk = idx + break + } + } + if pk == nil { + return kv.GetDuplicateErrorHandleString(handle) + } + var err error + str := make([]string, len(pk.Meta().Columns)) + for i, col := range pk.Meta().Columns { + str[i], err = row[col.Offset].ToString() + if err != nil { + return kv.GetDuplicateErrorHandleString(handle) + } + } + return strings.Join(str, "-") +} + func init() { table.TableFromMeta = TableFromMeta table.MockTableFromMeta = MockTableFromMeta From e2e707e5e7379778aaea4afa237441a3936c5761 Mon Sep 17 00:00:00 2001 From: tiancaiamao Date: Wed, 2 Dec 2020 11:16:19 +0800 Subject: [PATCH 0345/1021] sessionctx/variable: fix a DATA RACE to make CI more stable (#21415) --- sessionctx/variable/session.go | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 39301f00d8a8e..4eec0b7f99c35 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -1566,7 +1566,13 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { case TiDBFoundInBinding: s.FoundInBinding = TiDBOptOn(val) case TiDBEnableCollectExecutionInfo: - config.GetGlobalConfig().EnableCollectExecutionInfo = TiDBOptOn(val) + oldConfig := config.GetGlobalConfig() + newValue := TiDBOptOn(val) + if oldConfig.EnableCollectExecutionInfo != newValue { + newConfig := *oldConfig + newConfig.EnableCollectExecutionInfo = newValue + config.StoreGlobalConfig(&newConfig) + } case SQLSelectLimit: result, err := strconv.ParseUint(val, 10, 64) if err != nil { From 15ec9a613e145e2f5e7461945900ad95ebb3d926 Mon Sep 17 00:00:00 2001 From: Song Gao Date: Wed, 2 Dec 2020 11:29:48 +0800 Subject: [PATCH 0346/1021] ddl: revise TestTxnScopeConstraint (#21420) --- ddl/placement_sql_test.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ddl/placement_sql_test.go b/ddl/placement_sql_test.go index fec8b23155370..0ce57d8563fad 100644 --- a/ddl/placement_sql_test.go +++ b/ddl/placement_sql_test.go @@ -454,6 +454,7 @@ PARTITION BY RANGE (c) ( tk.MustExec(fmt.Sprintf("set @@txn_scope = %v", testcase.txnScope)) if testcase.disableAutoCommit { tk.MustExec("set @@autocommit = 0") + tk.MustExec("begin") tk.MustExec(testcase.sql) _, err = tk.Exec("commit") } else { @@ -464,7 +465,6 @@ PARTITION BY RANGE (c) ( } else { c.Assert(err, NotNil) c.Assert(err.Error(), Matches, testcase.err.Error()) - fmt.Println(err.Error()) } } } From 0e2f18d8f9db8cab184a2894db0259823060ae51 Mon Sep 17 00:00:00 2001 From: ekexium Date: Wed, 2 Dec 2020 11:49:57 +0800 Subject: [PATCH 0347/1021] store, config, session: Use system variables to enable async commit and 1PC (#21365) * add a system variable for enabling async commit Signed-off-by: ekexium * remove async commit enable config item Signed-off-by: ekexium * add a system variable for enabling 1PC Signed-off-by: ekexium * try to fix test Signed-off-by: ekexium * remove 1pc item in config Signed-off-by: ekexium * try to fix test Signed-off-by: ekexium * correct the condition to enable 1pc Signed-off-by: ekexium * do not enable 1pc/async commit on bootstrap if store is not tikv Signed-off-by: ekexium * refactor checkAsyncCommit Signed-off-by: ekexium * fix test: enable async commit or 1PC by setting txn options Signed-off-by: ekexium * add a system variable for external consistency Signed-off-by: ekexium * remove external consistency config item Signed-off-by: ekexium * refactor: checkXXX does not need parameters Signed-off-by: ekexium * refactor: add a helper function to pessimistic_test Signed-off-by: ekexium * change allowed scope to global or session Signed-off-by: ekexium * fix external consistency test Signed-off-by: ekexium Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com> --- config/config.go | 12 +- config/config.toml.example | 9 -- config/config_test.go | 6 - kv/kv.go | 6 + session/bootstrap.go | 6 + session/pessimistic_test.go | 27 ++-- session/session.go | 6 + sessionctx/variable/session.go | 155 ++++++++++-------- sessionctx/variable/sysvar.go | 3 + sessionctx/variable/tidb_vars.go | 230 ++++++++++++++------------- store/tikv/1pc_test.go | 58 +++---- store/tikv/2pc.go | 14 +- store/tikv/2pc_test.go | 24 ++- store/tikv/async_commit_fail_test.go | 58 ++----- store/tikv/async_commit_test.go | 80 ++++------ 15 files changed, 332 insertions(+), 362 deletions(-) diff --git a/config/config.go b/config/config.go index a0457b13737bc..e31fa2a59d0f7 100644 --- a/config/config.go +++ b/config/config.go @@ -509,8 +509,6 @@ type TiKVClient struct { // CommitTimeout is the max time which command 'commit' will wait. CommitTimeout string `toml:"commit-timeout" json:"commit-timeout"` AsyncCommit AsyncCommit `toml:"async-commit" json:"async-commit"` - // Allow TiDB try to use 1PC protocol to commit transactions that involves only one region. - EnableOnePC bool `toml:"enable-one-pc" json:"enable-one-pc"` // MaxBatchSize is the max batch size when calling batch commands API. MaxBatchSize uint `toml:"max-batch-size" json:"max-batch-size"` // If TiKV load is greater than this, TiDB will wait for a while to avoid little batch. @@ -532,15 +530,10 @@ type TiKVClient struct { CoprCache CoprocessorCache `toml:"copr-cache" json:"copr-cache"` // TTLRefreshedTxnSize controls whether a transaction should update its TTL or not. TTLRefreshedTxnSize int64 `toml:"ttl-refreshed-txn-size" json:"ttl-refreshed-txn-size"` - // Ensure external consistency when async commit or 1PC is enabled. When this option is enabled, - // TiDB needs to get a timestamp from PD before committing a transaction and thus latency is increased. - ExternalConsistency bool `toml:"external-consistency" json:"external-consistency"` } -// AsyncCommit is the config for the async commit feature. +// AsyncCommit is the config for the async commit feature. The switch to enable it is a system variable. type AsyncCommit struct { - // Whether to enable the async commit feature. - Enable bool `toml:"enable" json:"enable"` // Use async commit only if the number of keys does not exceed KeysLimit. KeysLimit uint `toml:"keys-limit" json:"keys-limit"` // Use async commit only if the total size of keys does not exceed TotalKeySizeLimit. @@ -728,15 +721,12 @@ var defaultConf = Config{ GrpcCompressionType: "none", CommitTimeout: "41s", AsyncCommit: AsyncCommit{ - Enable: false, // FIXME: Find an appropriate default limit. KeysLimit: 256, TotalKeySizeLimit: 4 * 1024, // 4 KiB SafeWindow: 2 * time.Second, AllowedClockDrift: 500 * time.Millisecond, }, - EnableOnePC: false, - ExternalConsistency: false, MaxBatchSize: 128, OverloadThreshold: 200, diff --git a/config/config.toml.example b/config/config.toml.example index 29c9d7f0812d1..95f40fe6df546 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -388,13 +388,6 @@ grpc-compression-type = "none" # Max time for commit command, must be twice bigger than raft election timeout. commit-timeout = "41s" -# Allow TiDB try to use 1PC protocol to commit transactions that involves only one region. -enable-one-pc = false - -# Ensure external consistency when async commit or 1PC is enabled. When this option is enabled, -# TiDB needs to get a timestamp from PD before committing a transaction and thus latency is increased. -external-consistency = false - # Max batch size in gRPC. max-batch-size = 128 # Overload threshold of TiKV. @@ -424,8 +417,6 @@ store-liveness-timeout = "5s" ttl-refreshed-txn-size = 33554432 [tikv-client.async-commit] -# Whether to enable the async commit feature. This feature reduces the latency of the two-phase commit. -enable = false # The maximum allowed keys in an async commit transaction. Transactions with more keys than the limit # will be committed with normal 2PC way. keys-limit = 256 diff --git a/config/config_test.go b/config/config_test.go index c81a38305037f..58a3652c9340d 100644 --- a/config/config_test.go +++ b/config/config_test.go @@ -203,10 +203,7 @@ max-batch-size=128 region-cache-ttl=6000 store-limit=0 ttl-refreshed-txn-size=8192 -enable-one-pc=true -external-consistency=true [tikv-client.async-commit] -enable=true keys-limit=123 total-key-size-limit=1024 [stmt-summary] @@ -242,15 +239,12 @@ spilled-file-encryption-method = "plaintext" c.Assert(conf.AlterPrimaryKey, Equals, true) c.Assert(conf.TiKVClient.CommitTimeout, Equals, "41s") - c.Assert(conf.TiKVClient.AsyncCommit.Enable, Equals, true) c.Assert(conf.TiKVClient.AsyncCommit.KeysLimit, Equals, uint(123)) c.Assert(conf.TiKVClient.AsyncCommit.TotalKeySizeLimit, Equals, uint64(1024)) - c.Assert(conf.TiKVClient.EnableOnePC, Equals, true) c.Assert(conf.TiKVClient.MaxBatchSize, Equals, uint(128)) c.Assert(conf.TiKVClient.RegionCacheTTL, Equals, uint(6000)) c.Assert(conf.TiKVClient.StoreLimit, Equals, int64(0)) c.Assert(conf.TiKVClient.TTLRefreshedTxnSize, Equals, int64(8192)) - c.Assert(conf.TiKVClient.ExternalConsistency, Equals, true) c.Assert(conf.TokenLimit, Equals, uint(1000)) c.Assert(conf.EnableTableLock, IsTrue) c.Assert(conf.DelayCleanTableLock, Equals, uint64(5)) diff --git a/kv/kv.go b/kv/kv.go index 3416cb4e3a034..7545370195feb 100644 --- a/kv/kv.go +++ b/kv/kv.go @@ -58,6 +58,12 @@ const ( SampleStep // CommitHook is a callback function called right after the transaction gets committed CommitHook + // EnableAsyncCommit indicates whether async commit is enabled + EnableAsyncCommit + // Enable1PC indicates whether one-phase commit is enabled + Enable1PC + // GuaranteeExternalConsistency indicates whether to guarantee external consistency at the cost of an extra tso request before prewrite + GuaranteeExternalConsistency ) // Priority value for transaction priority. diff --git a/session/bootstrap.go b/session/bootstrap.go index e0abf419351be..22372bdec246b 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -1335,6 +1335,12 @@ func doDMLWorks(s Session) { vVal = string(variable.DynamicOnly) } } + if v.Name == variable.TiDBEnableAsyncCommit && config.GetGlobalConfig().Store == "tikv" { + vVal = variable.BoolOn + } + if v.Name == variable.TiDBEnable1PC && config.GetGlobalConfig().Store == "tikv" { + vVal = variable.BoolOn + } value := fmt.Sprintf(`("%s", "%s")`, strings.ToLower(k), vVal) values = append(values, value) } diff --git a/session/pessimistic_test.go b/session/pessimistic_test.go index 1715aee7b0cf5..06329eaa90f50 100644 --- a/session/pessimistic_test.go +++ b/session/pessimistic_test.go @@ -39,6 +39,12 @@ import ( var _ = SerialSuites(&testPessimisticSuite{}) +func (s *testPessimisticSuite) newAsyncCommitTestKitWithInit(c *C) *testkit.TestKit { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.Se.GetSessionVars().EnableAsyncCommit = true + return tk +} + type testPessimisticSuite struct { testSessionSuiteBase } @@ -1962,17 +1968,16 @@ func (s *testPessimisticSuite) TestSelectForUpdateWaitSeconds(c *C) { func (s *testPessimisticSuite) TestSelectForUpdateConflictRetry(c *C) { defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.AsyncCommit.Enable = true conf.TiKVClient.AsyncCommit.SafeWindow = 500 * time.Millisecond conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0 }) - tk := testkit.NewTestKitWithInit(c, s.store) + tk := s.newAsyncCommitTestKitWithInit(c) tk.MustExec("drop table if exists tk") tk.MustExec("create table tk (c1 int primary key, c2 int)") tk.MustExec("insert into tk values(1,1),(2,2)") - tk2 := testkit.NewTestKitWithInit(c, s.store) - tk3 := testkit.NewTestKitWithInit(c, s.store) + tk2 := s.newAsyncCommitTestKitWithInit(c) + tk3 := s.newAsyncCommitTestKitWithInit(c) tk2.MustExec("begin pessimistic") tk3.MustExec("begin pessimistic") @@ -2008,7 +2013,6 @@ func (s *testPessimisticSuite) TestAsyncCommitWithSchemaChange(c *C) { defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.AsyncCommit.Enable = true conf.TiKVClient.AsyncCommit.SafeWindow = time.Second conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0 }) @@ -2017,12 +2021,12 @@ func (s *testPessimisticSuite) TestAsyncCommitWithSchemaChange(c *C) { c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/beforeSchemaCheck"), IsNil) }() - tk := testkit.NewTestKitWithInit(c, s.store) + tk := s.newAsyncCommitTestKitWithInit(c) tk.MustExec("drop table if exists tk") tk.MustExec("create table tk (c1 int primary key, c2 int, c3 int)") tk.MustExec("insert into tk values(1, 1, 1)") - tk2 := testkit.NewTestKitWithInit(c, s.store) - tk3 := testkit.NewTestKitWithInit(c, s.store) + tk2 := s.newAsyncCommitTestKitWithInit(c) + tk3 := s.newAsyncCommitTestKitWithInit(c) // The txn tk writes something but with failpoint the primary key is not committed. tk.MustExec("begin pessimistic") @@ -2079,14 +2083,13 @@ func (s *testPessimisticSuite) Test1PCWithSchemaChange(c *C) { defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.EnableOnePC = true conf.TiKVClient.AsyncCommit.SafeWindow = time.Second conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0 }) - tk := testkit.NewTestKitWithInit(c, s.store) - tk2 := testkit.NewTestKitWithInit(c, s.store) - tk3 := testkit.NewTestKitWithInit(c, s.store) + tk := s.newAsyncCommitTestKitWithInit(c) + tk2 := s.newAsyncCommitTestKitWithInit(c) + tk3 := s.newAsyncCommitTestKitWithInit(c) tk.MustExec("drop table if exists tk") tk.MustExec("create table tk (c1 int primary key, c2 int)") diff --git a/session/session.go b/session/session.go index 53d11a54195bc..86158a7e93f75 100644 --- a/session/session.go +++ b/session/session.go @@ -466,6 +466,9 @@ func (s *session) doCommit(ctx context.Context) error { if s.GetSessionVars().EnableAmendPessimisticTxn { s.txn.SetOption(kv.SchemaAmender, NewSchemaAmenderForTikvTxn(s)) } + s.txn.SetOption(kv.EnableAsyncCommit, s.GetSessionVars().EnableAsyncCommit) + s.txn.SetOption(kv.Enable1PC, s.GetSessionVars().Enable1PC) + s.txn.SetOption(kv.GuaranteeExternalConsistency, s.GetSessionVars().GuaranteeExternalConsistency) return s.txn.Commit(sessionctx.SetCommitCtx(ctx, s)) } @@ -2284,6 +2287,9 @@ var builtinGlobalVariable = []string{ variable.TiDBEnableAmendPessimisticTxn, variable.TiDBMemoryUsageAlarmRatio, variable.TiDBEnableRateLimitAction, + variable.TiDBEnableAsyncCommit, + variable.TiDBEnable1PC, + variable.TiDBGuaranteeExternalConsistency, } var ( diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 4eec0b7f99c35..e7222477def34 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -756,6 +756,14 @@ type SessionVars struct { // EnabledRateLimitAction indicates whether enabled ratelimit action during coprocessor EnabledRateLimitAction bool + + // EnableAsyncCommit indicates whether to enable the async commit feature. + EnableAsyncCommit bool + + // Enable1PC indicates whether to enable the one-phase commit feature. + Enable1PC bool + + GuaranteeExternalConsistency bool } // UseDynamicPartitionPrune indicates whether use new dynamic partition prune. @@ -826,75 +834,78 @@ type ConnectionInfo struct { // NewSessionVars creates a session vars object. func NewSessionVars() *SessionVars { vars := &SessionVars{ - Users: make(map[string]types.Datum), - UserVarTypes: make(map[string]*types.FieldType), - systems: make(map[string]string), - stmtVars: make(map[string]string), - PreparedStmts: make(map[uint32]interface{}), - PreparedStmtNameToID: make(map[string]uint32), - PreparedParams: make([]types.Datum, 0, 10), - TxnCtx: &TransactionContext{}, - RetryInfo: &RetryInfo{}, - ActiveRoles: make([]*auth.RoleIdentity, 0, 10), - StrictSQLMode: true, - AutoIncrementIncrement: DefAutoIncrementIncrement, - AutoIncrementOffset: DefAutoIncrementOffset, - Status: mysql.ServerStatusAutocommit, - StmtCtx: new(stmtctx.StatementContext), - AllowAggPushDown: false, - AllowBCJ: false, - OptimizerSelectivityLevel: DefTiDBOptimizerSelectivityLevel, - RetryLimit: DefTiDBRetryLimit, - DisableTxnAutoRetry: DefTiDBDisableTxnAutoRetry, - DDLReorgPriority: kv.PriorityLow, - allowInSubqToJoinAndAgg: DefOptInSubqToJoinAndAgg, - preferRangeScan: DefOptPreferRangeScan, - CorrelationThreshold: DefOptCorrelationThreshold, - CorrelationExpFactor: DefOptCorrelationExpFactor, - CPUFactor: DefOptCPUFactor, - CopCPUFactor: DefOptCopCPUFactor, - CopTiFlashConcurrencyFactor: DefOptTiFlashConcurrencyFactor, - NetworkFactor: DefOptNetworkFactor, - ScanFactor: DefOptScanFactor, - DescScanFactor: DefOptDescScanFactor, - SeekFactor: DefOptSeekFactor, - MemoryFactor: DefOptMemoryFactor, - DiskFactor: DefOptDiskFactor, - ConcurrencyFactor: DefOptConcurrencyFactor, - EnableRadixJoin: false, - EnableVectorizedExpression: DefEnableVectorizedExpression, - L2CacheSize: cpuid.CPU.Cache.L2, - CommandValue: uint32(mysql.ComSleep), - TiDBOptJoinReorderThreshold: DefTiDBOptJoinReorderThreshold, - SlowQueryFile: config.GetGlobalConfig().Log.SlowQueryFile, - WaitSplitRegionFinish: DefTiDBWaitSplitRegionFinish, - WaitSplitRegionTimeout: DefWaitSplitRegionTimeout, - enableIndexMerge: false, - EnableNoopFuncs: DefTiDBEnableNoopFuncs, - replicaRead: kv.ReplicaReadLeader, - AllowRemoveAutoInc: DefTiDBAllowRemoveAutoInc, - UsePlanBaselines: DefTiDBUsePlanBaselines, - EvolvePlanBaselines: DefTiDBEvolvePlanBaselines, - IsolationReadEngines: make(map[kv.StoreType]struct{}), - LockWaitTimeout: DefInnodbLockWaitTimeout * 1000, - MetricSchemaStep: DefTiDBMetricSchemaStep, - MetricSchemaRangeDuration: DefTiDBMetricSchemaRangeDuration, - SequenceState: NewSequenceState(), - WindowingUseHighPrecision: true, - PrevFoundInPlanCache: DefTiDBFoundInPlanCache, - FoundInPlanCache: DefTiDBFoundInPlanCache, - PrevFoundInBinding: DefTiDBFoundInBinding, - FoundInBinding: DefTiDBFoundInBinding, - SelectLimit: math.MaxUint64, - AllowAutoRandExplicitInsert: DefTiDBAllowAutoRandExplicitInsert, - EnableClusteredIndex: DefTiDBEnableClusteredIndex, - EnableParallelApply: DefTiDBEnableParallelApply, - ShardAllocateStep: DefTiDBShardAllocateStep, - EnableChangeColumnType: DefTiDBChangeColumnType, - EnableAmendPessimisticTxn: DefTiDBEnableAmendPessimisticTxn, - PartitionPruneMode: *atomic2.NewString(DefTiDBPartitionPruneMode), - TxnScope: config.GetGlobalConfig().TxnScope, - EnabledRateLimitAction: DefTiDBEnableRateLimitAction, + Users: make(map[string]types.Datum), + UserVarTypes: make(map[string]*types.FieldType), + systems: make(map[string]string), + stmtVars: make(map[string]string), + PreparedStmts: make(map[uint32]interface{}), + PreparedStmtNameToID: make(map[string]uint32), + PreparedParams: make([]types.Datum, 0, 10), + TxnCtx: &TransactionContext{}, + RetryInfo: &RetryInfo{}, + ActiveRoles: make([]*auth.RoleIdentity, 0, 10), + StrictSQLMode: true, + AutoIncrementIncrement: DefAutoIncrementIncrement, + AutoIncrementOffset: DefAutoIncrementOffset, + Status: mysql.ServerStatusAutocommit, + StmtCtx: new(stmtctx.StatementContext), + AllowAggPushDown: false, + AllowBCJ: false, + OptimizerSelectivityLevel: DefTiDBOptimizerSelectivityLevel, + RetryLimit: DefTiDBRetryLimit, + DisableTxnAutoRetry: DefTiDBDisableTxnAutoRetry, + DDLReorgPriority: kv.PriorityLow, + allowInSubqToJoinAndAgg: DefOptInSubqToJoinAndAgg, + preferRangeScan: DefOptPreferRangeScan, + CorrelationThreshold: DefOptCorrelationThreshold, + CorrelationExpFactor: DefOptCorrelationExpFactor, + CPUFactor: DefOptCPUFactor, + CopCPUFactor: DefOptCopCPUFactor, + CopTiFlashConcurrencyFactor: DefOptTiFlashConcurrencyFactor, + NetworkFactor: DefOptNetworkFactor, + ScanFactor: DefOptScanFactor, + DescScanFactor: DefOptDescScanFactor, + SeekFactor: DefOptSeekFactor, + MemoryFactor: DefOptMemoryFactor, + DiskFactor: DefOptDiskFactor, + ConcurrencyFactor: DefOptConcurrencyFactor, + EnableRadixJoin: false, + EnableVectorizedExpression: DefEnableVectorizedExpression, + L2CacheSize: cpuid.CPU.Cache.L2, + CommandValue: uint32(mysql.ComSleep), + TiDBOptJoinReorderThreshold: DefTiDBOptJoinReorderThreshold, + SlowQueryFile: config.GetGlobalConfig().Log.SlowQueryFile, + WaitSplitRegionFinish: DefTiDBWaitSplitRegionFinish, + WaitSplitRegionTimeout: DefWaitSplitRegionTimeout, + enableIndexMerge: false, + EnableNoopFuncs: DefTiDBEnableNoopFuncs, + replicaRead: kv.ReplicaReadLeader, + AllowRemoveAutoInc: DefTiDBAllowRemoveAutoInc, + UsePlanBaselines: DefTiDBUsePlanBaselines, + EvolvePlanBaselines: DefTiDBEvolvePlanBaselines, + IsolationReadEngines: make(map[kv.StoreType]struct{}), + LockWaitTimeout: DefInnodbLockWaitTimeout * 1000, + MetricSchemaStep: DefTiDBMetricSchemaStep, + MetricSchemaRangeDuration: DefTiDBMetricSchemaRangeDuration, + SequenceState: NewSequenceState(), + WindowingUseHighPrecision: true, + PrevFoundInPlanCache: DefTiDBFoundInPlanCache, + FoundInPlanCache: DefTiDBFoundInPlanCache, + PrevFoundInBinding: DefTiDBFoundInBinding, + FoundInBinding: DefTiDBFoundInBinding, + SelectLimit: math.MaxUint64, + AllowAutoRandExplicitInsert: DefTiDBAllowAutoRandExplicitInsert, + EnableClusteredIndex: DefTiDBEnableClusteredIndex, + EnableParallelApply: DefTiDBEnableParallelApply, + ShardAllocateStep: DefTiDBShardAllocateStep, + EnableChangeColumnType: DefTiDBChangeColumnType, + EnableAmendPessimisticTxn: DefTiDBEnableAmendPessimisticTxn, + PartitionPruneMode: *atomic2.NewString(DefTiDBPartitionPruneMode), + TxnScope: config.GetGlobalConfig().TxnScope, + EnabledRateLimitAction: DefTiDBEnableRateLimitAction, + EnableAsyncCommit: DefTiDBEnableAsyncCommit, + Enable1PC: DefTiDBEnable1PC, + GuaranteeExternalConsistency: DefTiDBGuaranteeExternalConsistency, } vars.KVVars = kv.NewVariables(&vars.Killed) vars.Concurrency = Concurrency{ @@ -1605,6 +1616,12 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { MemoryUsageAlarmRatio.Store(tidbOptFloat64(val, 0.8)) case TiDBEnableRateLimitAction: s.EnabledRateLimitAction = TiDBOptOn(val) + case TiDBEnableAsyncCommit: + s.EnableAsyncCommit = TiDBOptOn(val) + case TiDBEnable1PC: + s.Enable1PC = TiDBOptOn(val) + case TiDBGuaranteeExternalConsistency: + s.GuaranteeExternalConsistency = TiDBOptOn(val) } s.systems[name] = val return nil diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 77bd9fb50aedb..ab1d0eb2cbb58 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1153,6 +1153,9 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_wait_no_slave", Value: BoolOn, Type: TypeBool}, {Scope: ScopeGlobal, Name: "slave_rows_search_algorithms", Value: "TABLE_SCAN,INDEX_SCAN"}, {Scope: ScopeGlobal, Name: SlaveAllowBatching, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableAsyncCommit, Value: BoolToOnOff(DefTiDBEnableAsyncCommit), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnable1PC, Value: BoolToOnOff(DefTiDBEnable1PC), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBGuaranteeExternalConsistency, Value: BoolToOnOff(DefTiDBGuaranteeExternalConsistency), Type: TypeBool}, } // SynonymsSysVariables is synonyms of system variables. diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index eae08d465b4e7..82c2f68e5741c 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -476,119 +476,131 @@ const ( // TiDBEnableRateLimitAction indicates whether enabled ratelimit action TiDBEnableRateLimitAction = "tidb_enable_rate_limit_action" + + // TiDBEnableAsyncCommit indicates whether to enable the async commit feature. + TiDBEnableAsyncCommit = "tidb_enable_async_commit" + + // TiDBEnable1PC indicates whether to enable the one-phase commit feature. + TiDBEnable1PC = "tidb_enable_1pc" + + // TiDBGuaranteeExternalConsistency indicates whether maintain the external consistency. + TiDBGuaranteeExternalConsistency = "tidb_guarantee_external_consistency" ) // Default TiDB system variable values. const ( - DefHostname = "localhost" - DefIndexLookupConcurrency = ConcurrencyUnset - DefIndexLookupJoinConcurrency = ConcurrencyUnset - DefIndexSerialScanConcurrency = 1 - DefIndexJoinBatchSize = 25000 - DefIndexLookupSize = 20000 - DefDistSQLScanConcurrency = 15 - DefBuildStatsConcurrency = 4 - DefAutoAnalyzeRatio = 0.5 - DefAutoAnalyzeStartTime = "00:00 +0000" - DefAutoAnalyzeEndTime = "23:59 +0000" - DefAutoIncrementIncrement = 1 - DefAutoIncrementOffset = 1 - DefChecksumTableConcurrency = 4 - DefSkipUTF8Check = false - DefSkipASCIICheck = false - DefOptAggPushDown = false - DefOptBCJ = false - DefOptWriteRowID = false - DefOptCorrelationThreshold = 0.9 - DefOptCorrelationExpFactor = 1 - DefOptCPUFactor = 3.0 - DefOptCopCPUFactor = 3.0 - DefOptTiFlashConcurrencyFactor = 24.0 - DefOptNetworkFactor = 1.0 - DefOptScanFactor = 1.5 - DefOptDescScanFactor = 3.0 - DefOptSeekFactor = 20.0 - DefOptMemoryFactor = 0.001 - DefOptDiskFactor = 1.5 - DefOptConcurrencyFactor = 3.0 - DefOptInSubqToJoinAndAgg = true - DefOptPreferRangeScan = false - DefBatchInsert = false - DefBatchDelete = false - DefBatchCommit = false - DefCurretTS = 0 - DefInitChunkSize = 32 - DefMaxChunkSize = 1024 - DefDMLBatchSize = 0 - DefMaxPreparedStmtCount = -1 - DefWaitTimeout = 0 - DefTiDBMemQuotaHashJoin = 32 << 30 // 32GB. - DefTiDBMemQuotaMergeJoin = 32 << 30 // 32GB. - DefTiDBMemQuotaSort = 32 << 30 // 32GB. - DefTiDBMemQuotaTopn = 32 << 30 // 32GB. - DefTiDBMemQuotaIndexLookupReader = 32 << 30 // 32GB. - DefTiDBMemQuotaIndexLookupJoin = 32 << 30 // 32GB. - DefTiDBMemQuotaNestedLoopApply = 32 << 30 // 32GB. - DefTiDBMemQuotaDistSQL = 32 << 30 // 32GB. - DefTiDBGeneralLog = false - DefTiDBPProfSQLCPU = 0 - DefTiDBRetryLimit = 10 - DefTiDBDisableTxnAutoRetry = true - DefTiDBConstraintCheckInPlace = false - DefTiDBHashJoinConcurrency = ConcurrencyUnset - DefTiDBProjectionConcurrency = ConcurrencyUnset - DefTiDBOptimizerSelectivityLevel = 0 - DefTiDBAllowBatchCop = 1 - DefTiDBAllowMPPExecution = false - DefTiDBTxnMode = "" - DefTiDBRowFormatV1 = 1 - DefTiDBRowFormatV2 = 2 - DefTiDBDDLReorgWorkerCount = 4 - DefTiDBDDLReorgBatchSize = 256 - DefTiDBDDLErrorCountLimit = 512 - DefTiDBMaxDeltaSchemaCount = 1024 - DefTiDBChangeColumnType = false - DefTiDBHashAggPartialConcurrency = ConcurrencyUnset - DefTiDBHashAggFinalConcurrency = ConcurrencyUnset - DefTiDBWindowConcurrency = ConcurrencyUnset - DefTiDBMergeJoinConcurrency = 1 // disable optimization by default - DefTiDBStreamAggConcurrency = 1 - DefTiDBForcePriority = mysql.NoPriority - DefTiDBUseRadixJoin = false - DefEnableWindowFunction = true - DefEnableStrictDoubleTypeCheck = true - DefEnableVectorizedExpression = true - DefTiDBOptJoinReorderThreshold = 0 - DefTiDBDDLSlowOprThreshold = 300 - DefTiDBUseFastAnalyze = false - DefTiDBSkipIsolationLevelCheck = false - DefTiDBExpensiveQueryTimeThreshold = 60 // 60s - DefTiDBScatterRegion = false - DefTiDBWaitSplitRegionFinish = true - DefWaitSplitRegionTimeout = 300 // 300s - DefTiDBEnableNoopFuncs = false - DefTiDBAllowRemoveAutoInc = false - DefTiDBUsePlanBaselines = true - DefTiDBEvolvePlanBaselines = false - DefTiDBEvolvePlanTaskMaxTime = 600 // 600s - DefTiDBEvolvePlanTaskStartTime = "00:00 +0000" - DefTiDBEvolvePlanTaskEndTime = "23:59 +0000" - DefInnodbLockWaitTimeout = 50 // 50s - DefTiDBStoreLimit = 0 - DefTiDBMetricSchemaStep = 60 // 60s - DefTiDBMetricSchemaRangeDuration = 60 // 60s - DefTiDBFoundInPlanCache = false - DefTiDBFoundInBinding = false - DefTiDBEnableCollectExecutionInfo = true - DefTiDBAllowAutoRandExplicitInsert = false - DefTiDBEnableClusteredIndex = false - DefTiDBRedactLog = false - DefTiDBShardAllocateStep = math.MaxInt64 - DefTiDBEnableTelemetry = true - DefTiDBEnableParallelApply = false - DefTiDBEnableAmendPessimisticTxn = true - DefTiDBPartitionPruneMode = "static-only" - DefTiDBEnableRateLimitAction = true + DefHostname = "localhost" + DefIndexLookupConcurrency = ConcurrencyUnset + DefIndexLookupJoinConcurrency = ConcurrencyUnset + DefIndexSerialScanConcurrency = 1 + DefIndexJoinBatchSize = 25000 + DefIndexLookupSize = 20000 + DefDistSQLScanConcurrency = 15 + DefBuildStatsConcurrency = 4 + DefAutoAnalyzeRatio = 0.5 + DefAutoAnalyzeStartTime = "00:00 +0000" + DefAutoAnalyzeEndTime = "23:59 +0000" + DefAutoIncrementIncrement = 1 + DefAutoIncrementOffset = 1 + DefChecksumTableConcurrency = 4 + DefSkipUTF8Check = false + DefSkipASCIICheck = false + DefOptAggPushDown = false + DefOptBCJ = false + DefOptWriteRowID = false + DefOptCorrelationThreshold = 0.9 + DefOptCorrelationExpFactor = 1 + DefOptCPUFactor = 3.0 + DefOptCopCPUFactor = 3.0 + DefOptTiFlashConcurrencyFactor = 24.0 + DefOptNetworkFactor = 1.0 + DefOptScanFactor = 1.5 + DefOptDescScanFactor = 3.0 + DefOptSeekFactor = 20.0 + DefOptMemoryFactor = 0.001 + DefOptDiskFactor = 1.5 + DefOptConcurrencyFactor = 3.0 + DefOptInSubqToJoinAndAgg = true + DefOptPreferRangeScan = false + DefBatchInsert = false + DefBatchDelete = false + DefBatchCommit = false + DefCurretTS = 0 + DefInitChunkSize = 32 + DefMaxChunkSize = 1024 + DefDMLBatchSize = 0 + DefMaxPreparedStmtCount = -1 + DefWaitTimeout = 0 + DefTiDBMemQuotaHashJoin = 32 << 30 // 32GB. + DefTiDBMemQuotaMergeJoin = 32 << 30 // 32GB. + DefTiDBMemQuotaSort = 32 << 30 // 32GB. + DefTiDBMemQuotaTopn = 32 << 30 // 32GB. + DefTiDBMemQuotaIndexLookupReader = 32 << 30 // 32GB. + DefTiDBMemQuotaIndexLookupJoin = 32 << 30 // 32GB. + DefTiDBMemQuotaNestedLoopApply = 32 << 30 // 32GB. + DefTiDBMemQuotaDistSQL = 32 << 30 // 32GB. + DefTiDBGeneralLog = false + DefTiDBPProfSQLCPU = 0 + DefTiDBRetryLimit = 10 + DefTiDBDisableTxnAutoRetry = true + DefTiDBConstraintCheckInPlace = false + DefTiDBHashJoinConcurrency = ConcurrencyUnset + DefTiDBProjectionConcurrency = ConcurrencyUnset + DefTiDBOptimizerSelectivityLevel = 0 + DefTiDBAllowBatchCop = 1 + DefTiDBAllowMPPExecution = false + DefTiDBTxnMode = "" + DefTiDBRowFormatV1 = 1 + DefTiDBRowFormatV2 = 2 + DefTiDBDDLReorgWorkerCount = 4 + DefTiDBDDLReorgBatchSize = 256 + DefTiDBDDLErrorCountLimit = 512 + DefTiDBMaxDeltaSchemaCount = 1024 + DefTiDBChangeColumnType = false + DefTiDBHashAggPartialConcurrency = ConcurrencyUnset + DefTiDBHashAggFinalConcurrency = ConcurrencyUnset + DefTiDBWindowConcurrency = ConcurrencyUnset + DefTiDBMergeJoinConcurrency = 1 // disable optimization by default + DefTiDBStreamAggConcurrency = 1 + DefTiDBForcePriority = mysql.NoPriority + DefTiDBUseRadixJoin = false + DefEnableWindowFunction = true + DefEnableStrictDoubleTypeCheck = true + DefEnableVectorizedExpression = true + DefTiDBOptJoinReorderThreshold = 0 + DefTiDBDDLSlowOprThreshold = 300 + DefTiDBUseFastAnalyze = false + DefTiDBSkipIsolationLevelCheck = false + DefTiDBExpensiveQueryTimeThreshold = 60 // 60s + DefTiDBScatterRegion = false + DefTiDBWaitSplitRegionFinish = true + DefWaitSplitRegionTimeout = 300 // 300s + DefTiDBEnableNoopFuncs = false + DefTiDBAllowRemoveAutoInc = false + DefTiDBUsePlanBaselines = true + DefTiDBEvolvePlanBaselines = false + DefTiDBEvolvePlanTaskMaxTime = 600 // 600s + DefTiDBEvolvePlanTaskStartTime = "00:00 +0000" + DefTiDBEvolvePlanTaskEndTime = "23:59 +0000" + DefInnodbLockWaitTimeout = 50 // 50s + DefTiDBStoreLimit = 0 + DefTiDBMetricSchemaStep = 60 // 60s + DefTiDBMetricSchemaRangeDuration = 60 // 60s + DefTiDBFoundInPlanCache = false + DefTiDBFoundInBinding = false + DefTiDBEnableCollectExecutionInfo = true + DefTiDBAllowAutoRandExplicitInsert = false + DefTiDBEnableClusteredIndex = false + DefTiDBRedactLog = false + DefTiDBShardAllocateStep = math.MaxInt64 + DefTiDBEnableTelemetry = true + DefTiDBEnableParallelApply = false + DefTiDBEnableAmendPessimisticTxn = true + DefTiDBPartitionPruneMode = "static-only" + DefTiDBEnableRateLimitAction = true + DefTiDBEnableAsyncCommit = false + DefTiDBEnable1PC = false + DefTiDBGuaranteeExternalConsistency = false ) // Process global variables. diff --git a/store/tikv/1pc_test.go b/store/tikv/1pc_test.go index 09d07aad3ec99..879654267736b 100644 --- a/store/tikv/1pc_test.go +++ b/store/tikv/1pc_test.go @@ -17,11 +17,18 @@ import ( "context" . "github.com/pingcap/check" - "github.com/pingcap/tidb/config" + "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/store/tikv/oracle" ) +func (s *testAsyncCommitCommon) begin1PC(c *C) *tikvTxn { + txn, err := s.store.Begin() + c.Assert(err, IsNil) + txn.SetOption(kv.Enable1PC, true) + return txn.(*tikvTxn) +} + type testOnePCSuite struct { OneByOneSuite testAsyncCommitCommon @@ -36,17 +43,12 @@ func (s *testOnePCSuite) SetUpTest(c *C) { } func (s *testOnePCSuite) Test1PC(c *C) { - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.EnableOnePC = true - }) - ctx := context.WithValue(context.Background(), sessionctx.ConnID, uint64(1)) k1 := []byte("k1") v1 := []byte("v1") - txn := s.begin(c) + txn := s.begin1PC(c) err := txn.Set(k1, v1) c.Assert(err, IsNil) err = txn.Commit(ctx) @@ -61,7 +63,7 @@ func (s *testOnePCSuite) Test1PC(c *C) { k2 := []byte("k2") v2 := []byte("v2") - txn = s.begin(c) + txn = s.begin1PC(c) err = txn.Set(k2, v2) c.Assert(err, IsNil) err = txn.Commit(context.Background()) @@ -70,10 +72,8 @@ func (s *testOnePCSuite) Test1PC(c *C) { c.Assert(txn.committer.onePCCommitTS, Equals, uint64(0)) c.Assert(txn.committer.commitTS, Greater, txn.startTS) - // 1PC doesn't work if config not set - config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.EnableOnePC = false - }) + // 1PC doesn't work if system variable not set + k3 := []byte("k3") v3 := []byte("v3") @@ -86,10 +86,6 @@ func (s *testOnePCSuite) Test1PC(c *C) { c.Assert(txn.committer.onePCCommitTS, Equals, uint64(0)) c.Assert(txn.committer.commitTS, Greater, txn.startTS) - config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.EnableOnePC = true - }) - // Test multiple keys k4 := []byte("k4") v4 := []byte("v4") @@ -98,7 +94,7 @@ func (s *testOnePCSuite) Test1PC(c *C) { k6 := []byte("k6") v6 := []byte("v6") - txn = s.begin(c) + txn = s.begin1PC(c) err = txn.Set(k4, v4) c.Assert(err, IsNil) err = txn.Set(k5, v5) @@ -120,7 +116,7 @@ func (s *testOnePCSuite) Test1PC(c *C) { // Overwriting in MVCC v6New := []byte("v6new") - txn = s.begin(c) + txn = s.begin1PC(c) err = txn.Set(k6, v6New) c.Assert(err, IsNil) err = txn.Commit(ctx) @@ -145,23 +141,18 @@ func (s *testOnePCSuite) Test1PC(c *C) { } func (s *testOnePCSuite) Test1PCIsolation(c *C) { - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.EnableOnePC = true - }) - ctx := context.WithValue(context.Background(), sessionctx.ConnID, uint64(1)) k := []byte("k") v1 := []byte("v1") - txn := s.begin(c) + txn := s.begin1PC(c) txn.Set(k, v1) err := txn.Commit(ctx) c.Assert(err, IsNil) v2 := []byte("v2") - txn = s.begin(c) + txn = s.begin1PC(c) txn.Set(k, v2) // Make `txn`'s commitTs more likely to be less than `txn2`'s startTs if there's bug in commitTs @@ -171,7 +162,7 @@ func (s *testOnePCSuite) Test1PCIsolation(c *C) { c.Assert(err, IsNil) } - txn2 := s.begin(c) + txn2 := s.begin1PC(c) s.mustGetFromTxn(c, txn2, k, v1) err = txn.Commit(ctx) @@ -191,14 +182,9 @@ func (s *testOnePCSuite) Test1PCDisallowMultiRegion(c *C) { return } - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.EnableOnePC = true - }) - ctx := context.WithValue(context.Background(), sessionctx.ConnID, uint64(1)) - txn := s.begin(c) + txn := s.begin1PC(c) keys := []string{"k0", "k1", "k2", "k3"} values := []string{"v0", "v1", "v2", "v3"} @@ -217,7 +203,7 @@ func (s *testOnePCSuite) Test1PCDisallowMultiRegion(c *C) { newPeerID := s.cluster.AllocID() s.cluster.Split(loc.Region.id, newRegionID, []byte(keys[2]), []uint64{newPeerID}, newPeerID) - txn = s.begin(c) + txn = s.begin1PC(c) err = txn.Set([]byte(keys[1]), []byte(values[1])) c.Assert(err, IsNil) err = txn.Set([]byte(keys[2]), []byte(values[2])) @@ -241,12 +227,6 @@ func (s *testOnePCSuite) Test1PCDisallowMultiRegion(c *C) { // It's just a simple validation of external consistency. // Extra tests are needed to test this feature with the control of the TiKV cluster. func (s *testOnePCSuite) Test1PCExternalConsistency(c *C) { - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.EnableOnePC = true - conf.TiKVClient.ExternalConsistency = true - }) - t1, err := s.store.Begin() c.Assert(err, IsNil) t2, err := s.store.Begin() diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index 80b18a2d8782d..efed1c3cdaf9a 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -884,10 +884,12 @@ func sendTxnHeartBeat(bo *Backoffer, store *tikvStore, primary []byte, startTS, // checkAsyncCommit checks if async commit protocol is available for current transaction commit, true is returned if possible. func (c *twoPhaseCommitter) checkAsyncCommit() bool { + enableAsyncCommitOption := c.txn.us.GetOption(kv.EnableAsyncCommit) + enableAsyncCommit := enableAsyncCommitOption != nil && enableAsyncCommitOption.(bool) asyncCommitCfg := config.GetGlobalConfig().TiKVClient.AsyncCommit // TODO the keys limit need more tests, this value makes the unit test pass by now. // Async commit is not compatible with Binlog because of the non unique timestamp issue. - if c.connID > 0 && asyncCommitCfg.Enable && + if c.connID > 0 && enableAsyncCommit && uint(c.mutations.Len()) <= asyncCommitCfg.KeysLimit && !c.shouldWriteBinlog() { totalKeySize := uint64(0) @@ -904,7 +906,13 @@ func (c *twoPhaseCommitter) checkAsyncCommit() bool { // checkOnePC checks if 1PC protocol is available for current transaction. func (c *twoPhaseCommitter) checkOnePC() bool { - return config.GetGlobalConfig().TiKVClient.EnableOnePC && c.connID > 0 && !c.shouldWriteBinlog() + enable1PCOption := c.txn.us.GetOption(kv.Enable1PC) + return c.connID > 0 && !c.shouldWriteBinlog() && enable1PCOption != nil && enable1PCOption.(bool) +} + +func (c *twoPhaseCommitter) needExternalConsistency() bool { + guaranteeExternalConsistencyOption := c.txn.us.GetOption(kv.GuaranteeExternalConsistency) + return guaranteeExternalConsistencyOption != nil && guaranteeExternalConsistencyOption.(bool) } func (c *twoPhaseCommitter) isAsyncCommit() bool { @@ -1015,7 +1023,7 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { // all nodes, we have to make sure the commit TS of this transaction is greater // than the snapshot TS of all existent readers. So we get a new timestamp // from PD as our MinCommitTS. - if commitTSMayBeCalculated && config.GetGlobalConfig().TiKVClient.ExternalConsistency { + if commitTSMayBeCalculated && c.needExternalConsistency() { minCommitTS, err := c.store.oracle.GetTimestamp(ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) // If we fail to get a timestamp from PD, we just propagate the failure // instead of falling back to the normal 2PC because a normal 2PC will diff --git a/store/tikv/2pc_test.go b/store/tikv/2pc_test.go index c0b4782ca4990..1c4b32d090df2 100644 --- a/store/tikv/2pc_test.go +++ b/store/tikv/2pc_test.go @@ -92,6 +92,13 @@ func (s *testCommitterSuite) begin(c *C) *tikvTxn { return txn.(*tikvTxn) } +func (s *testCommitterSuite) beginAsyncCommit(c *C) *tikvTxn { + txn, err := s.store.Begin() + c.Assert(err, IsNil) + txn.SetOption(kv.EnableAsyncCommit, true) + return txn.(*tikvTxn) +} + func (s *testCommitterSuite) checkValues(c *C, m map[string]string) { txn := s.begin(c) for k, v := range m { @@ -1187,18 +1194,13 @@ func (s *testCommitterSuite) TestResolveMixed(c *C) { // TestSecondaryKeys tests that when async commit is enabled, each prewrite message includes an // accurate list of secondary keys. func (s *testCommitterSuite) TestPrewriteSecondaryKeys(c *C) { - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.AsyncCommit.Enable = true - }) - // Prepare two regions first: (, 100) and [100, ) region, _ := s.cluster.GetRegionByKey([]byte{50}) newRegionID := s.cluster.AllocID() newPeerID := s.cluster.AllocID() s.cluster.Split(region.Id, newRegionID, []byte{100}, []uint64{newPeerID}, newPeerID) - txn := s.begin(c) + txn := s.beginAsyncCommit(c) var val [1024]byte for i := byte(50); i < 120; i++ { err := txn.Set([]byte{i}, val[:]) @@ -1226,17 +1228,12 @@ func (s *testCommitterSuite) TestPrewriteSecondaryKeys(c *C) { } func (s *testCommitterSuite) TestAsyncCommit(c *C) { - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.AsyncCommit.Enable = true - }) - ctx := context.Background() pk := kv.Key("tpk") pkVal := []byte("pkVal") k1 := kv.Key("tk1") k1Val := []byte("k1Val") - txn1 := s.begin(c) + txn1 := s.beginAsyncCommit(c) err := txn1.Set(pk, pkVal) c.Assert(err, IsNil) err = txn1.Set(k1, k1Val) @@ -1258,12 +1255,11 @@ func (s *testCommitterSuite) TestAsyncCommit(c *C) { func (s *testCommitterSuite) TestAsyncCommitCheck(c *C) { defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.AsyncCommit.Enable = true conf.TiKVClient.AsyncCommit.KeysLimit = 16 conf.TiKVClient.AsyncCommit.TotalKeySizeLimit = 64 }) - txn := s.begin(c) + txn := s.beginAsyncCommit(c) buf := []byte{0, 0, 0, 0} // Set 16 keys, each key is 4 bytes long. So the total size of keys is 64 bytes. for i := 0; i < 16; i++ { diff --git a/store/tikv/async_commit_fail_test.go b/store/tikv/async_commit_fail_test.go index 178bba5369b0b..de778b1a6e9ab 100644 --- a/store/tikv/async_commit_fail_test.go +++ b/store/tikv/async_commit_fail_test.go @@ -23,7 +23,6 @@ import ( "github.com/pingcap/failpoint" "github.com/pingcap/kvproto/pkg/kvrpcpb" "github.com/pingcap/parser/terror" - "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx" ) @@ -47,10 +46,6 @@ func (s *testAsyncCommitFailSuite) TestFailAsyncCommitPrewriteRpcErrors(c *C) { return } - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.AsyncCommit.Enable = true - }) c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/noRetryOnRpcError", "return(true)"), IsNil) c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/mockstore/unistore/rpcPrewriteTimeout", `return(true)`), IsNil) defer func() { @@ -58,9 +53,8 @@ func (s *testAsyncCommitFailSuite) TestFailAsyncCommitPrewriteRpcErrors(c *C) { c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/noRetryOnRpcError"), IsNil) }() // The rpc error will be wrapped to ErrResultUndetermined. - t1, err := s.store.Begin() - c.Assert(err, IsNil) - err = t1.Set([]byte("a"), []byte("a1")) + t1 := s.beginAsyncCommit(c) + err := t1.Set([]byte("a"), []byte("a1")) c.Assert(err, IsNil) ctx := context.WithValue(context.Background(), sessionctx.ConnID, uint64(1)) err = t1.Commit(ctx) @@ -72,8 +66,7 @@ func (s *testAsyncCommitFailSuite) TestFailAsyncCommitPrewriteRpcErrors(c *C) { c.Assert(err, Equals, kv.ErrInvalidTxn) // Create a new transaction to check. The previous transaction should actually commit. - t2, err := s.store.Begin() - c.Assert(err, IsNil) + t2 := s.beginAsyncCommit(c) res, err := t2.Get(context.Background(), []byte("a")) c.Assert(err, IsNil) c.Assert(bytes.Equal(res, []byte("a1")), IsTrue) @@ -85,11 +78,6 @@ func (s *testAsyncCommitFailSuite) TestAsyncCommitPrewriteCancelled(c *C) { return } - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.AsyncCommit.Enable = true - }) - // Split into two regions. splitKey := "s" bo := NewBackofferWithVars(context.Background(), 5000, nil) @@ -105,8 +93,7 @@ func (s *testAsyncCommitFailSuite) TestAsyncCommitPrewriteCancelled(c *C) { c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/mockstore/unistore/rpcPrewriteResult"), IsNil) }() - t1, err := s.store.Begin() - c.Assert(err, IsNil) + t1 := s.beginAsyncCommit(c) err = t1.Set([]byte("a"), []byte("a")) c.Assert(err, IsNil) err = t1.Set([]byte("z"), []byte("z")) @@ -118,15 +105,9 @@ func (s *testAsyncCommitFailSuite) TestAsyncCommitPrewriteCancelled(c *C) { } func (s *testAsyncCommitFailSuite) TestPointGetWithAsyncCommit(c *C) { - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.AsyncCommit.Enable = true - }) - - s.putAlphabets(c) + s.putAlphabets(c, true) - txn, err := s.store.Begin() - c.Assert(err, IsNil) + txn := s.beginAsyncCommit(c) txn.Set([]byte("a"), []byte("v1")) txn.Set([]byte("b"), []byte("v2")) s.mustPointGet(c, []byte("a"), []byte("a")) @@ -135,16 +116,15 @@ func (s *testAsyncCommitFailSuite) TestPointGetWithAsyncCommit(c *C) { // PointGet cannot ignore async commit transactions' locks. c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/asyncCommitDoNothing", "return"), IsNil) ctx := context.WithValue(context.Background(), sessionctx.ConnID, uint64(1)) - err = txn.Commit(ctx) + err := txn.Commit(ctx) c.Assert(err, IsNil) - c.Assert(txn.(*tikvTxn).committer.isAsyncCommit(), IsTrue) + c.Assert(txn.committer.isAsyncCommit(), IsTrue) s.mustPointGet(c, []byte("a"), []byte("v1")) s.mustPointGet(c, []byte("b"), []byte("v2")) c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/asyncCommitDoNothing"), IsNil) // PointGet will not push the `max_ts` to its ts which is MaxUint64. - txn2, err := s.store.Begin() - c.Assert(err, IsNil) + txn2 := s.beginAsyncCommit(c) s.mustGetFromTxn(c, txn2, []byte("a"), []byte("v1")) s.mustGetFromTxn(c, txn2, []byte("b"), []byte("v2")) err = txn2.Rollback() @@ -157,12 +137,7 @@ func (s *testAsyncCommitFailSuite) TestSecondaryListInPrimaryLock(c *C) { return } - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.AsyncCommit.Enable = true - }) - - s.putAlphabets(c) + s.putAlphabets(c, true) // Split into several regions. for _, splitKey := range []string{"h", "o", "u"} { @@ -192,8 +167,7 @@ func (s *testAsyncCommitFailSuite) TestSecondaryListInPrimaryLock(c *C) { connID++ ctx := context.WithValue(context.Background(), sessionctx.ConnID, connID) - txn, err := s.store.Begin() - c.Assert(err, IsNil) + txn := s.beginAsyncCommit(c) for i := range keys { txn.Set([]byte(keys[i]), []byte(values[i])) } @@ -203,8 +177,7 @@ func (s *testAsyncCommitFailSuite) TestSecondaryListInPrimaryLock(c *C) { err = txn.Commit(ctx) c.Assert(err, IsNil) - tikvTxn := txn.(*tikvTxn) - primary := tikvTxn.committer.primary() + primary := txn.committer.primary() bo := NewBackofferWithVars(context.Background(), 5000, nil) txnStatus, err := s.store.lockResolver.getTxnStatus(bo, txn.StartTS(), primary, 0, 0, false) c.Assert(err, IsNil) @@ -240,14 +213,9 @@ func (s *testAsyncCommitFailSuite) TestSecondaryListInPrimaryLock(c *C) { } func (s *testAsyncCommitFailSuite) TestAsyncCommitContextCancelCausingUndetermined(c *C) { - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.AsyncCommit.Enable = true - }) - // For an async commit transaction, if RPC returns context.Canceled error when prewriting, the // transaction should go to undetermined state. - txn := s.begin(c) + txn := s.beginAsyncCommit(c) err := txn.Set([]byte("a"), []byte("va")) c.Assert(err, IsNil) diff --git a/store/tikv/async_commit_test.go b/store/tikv/async_commit_test.go index 7b5ce75fd0616..987b224a34792 100644 --- a/store/tikv/async_commit_test.go +++ b/store/tikv/async_commit_test.go @@ -23,7 +23,6 @@ import ( . "github.com/pingcap/check" "github.com/pingcap/errors" "github.com/pingcap/kvproto/pkg/kvrpcpb" - "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/store/mockstore/cluster" @@ -55,20 +54,19 @@ func (s *testAsyncCommitCommon) setUpTest(c *C) { s.store = store.(*tikvStore) } -func (s *testAsyncCommitCommon) putAlphabets(c *C) { +func (s *testAsyncCommitCommon) putAlphabets(c *C, enableAsyncCommit bool) { for ch := byte('a'); ch <= byte('z'); ch++ { - s.putKV(c, []byte{ch}, []byte{ch}) + s.putKV(c, []byte{ch}, []byte{ch}, enableAsyncCommit) } } -func (s *testAsyncCommitCommon) putKV(c *C, key, value []byte) (uint64, uint64) { - txn, err := s.store.Begin() - c.Assert(err, IsNil) - err = txn.Set(key, value) +func (s *testAsyncCommitCommon) putKV(c *C, key, value []byte, enableAsyncCommit bool) (uint64, uint64) { + txn := s.beginAsyncCommit(c) + err := txn.Set(key, value) c.Assert(err, IsNil) err = txn.Commit(context.Background()) c.Assert(err, IsNil) - return txn.StartTS(), txn.(*tikvTxn).commitTS + return txn.StartTS(), txn.commitTS } func (s *testAsyncCommitCommon) mustGetFromTxn(c *C, txn kv.Transaction, key, expectedValue []byte) { @@ -117,6 +115,19 @@ func (s *testAsyncCommitCommon) mustGetNoneFromSnapshot(c *C, version uint64, ke c.Assert(errors.Cause(err), Equals, kv.ErrNotExist) } +func (s *testAsyncCommitCommon) beginAsyncCommitWithExternalConsistency(c *C) *tikvTxn { + txn := s.beginAsyncCommit(c) + txn.SetOption(kv.GuaranteeExternalConsistency, true) + return txn +} + +func (s *testAsyncCommitCommon) beginAsyncCommit(c *C) *tikvTxn { + txn, err := s.store.Begin() + c.Assert(err, IsNil) + txn.SetOption(kv.EnableAsyncCommit, true) + return txn.(*tikvTxn) +} + func (s *testAsyncCommitCommon) begin(c *C) *tikvTxn { txn, err := s.store.Begin() c.Assert(err, IsNil) @@ -136,9 +147,10 @@ func (s *testAsyncCommitSuite) SetUpTest(c *C) { s.bo = NewBackofferWithVars(context.Background(), 5000, nil) } -func (s *testAsyncCommitSuite) lockKeys(c *C, keys, values [][]byte, primaryKey, primaryValue []byte, commitPrimary bool) (uint64, uint64) { +func (s *testAsyncCommitSuite) lockKeysWithAsyncCommit(c *C, keys, values [][]byte, primaryKey, primaryValue []byte, commitPrimary bool) (uint64, uint64) { txn, err := newTiKVTxn(s.store) c.Assert(err, IsNil) + txn.SetOption(kv.EnableAsyncCommit, true) for i, k := range keys { if len(values[i]) > 0 { err = txn.Set(k, values[i]) @@ -176,12 +188,7 @@ func (s *testAsyncCommitSuite) TestCheckSecondaries(c *C) { return } - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.AsyncCommit.Enable = true - }) - - s.putAlphabets(c) + s.putAlphabets(c, true) loc, err := s.store.GetRegionCache().LocateKey(s.bo, []byte("a")) c.Assert(err, IsNil) @@ -190,7 +197,7 @@ func (s *testAsyncCommitSuite) TestCheckSecondaries(c *C) { s.store.GetRegionCache().InvalidateCachedRegion(loc.Region) // No locks to check, only primary key is locked, should be successful. - s.lockKeys(c, [][]byte{}, [][]byte{}, []byte("z"), []byte("z"), false) + s.lockKeysWithAsyncCommit(c, [][]byte{}, [][]byte{}, []byte("z"), []byte("z"), false) lock := s.mustGetLock(c, []byte("z")) lock.UseAsyncCommit = true ts, err := s.store.oracle.GetTimestamp(context.Background(), &oracle.Option{TxnScope: oracle.GlobalTxnScope}) @@ -274,8 +281,7 @@ func (s *testAsyncCommitSuite) TestCheckSecondaries(c *C) { MinCommitTS: ts + 5, } - _, err = s.store.Begin() - c.Assert(err, IsNil) + _ = s.beginAsyncCommit(c) err = s.store.lockResolver.resolveLockAsync(s.bo, lock, status) c.Assert(err, IsNil) @@ -323,20 +329,14 @@ func (s *testAsyncCommitSuite) TestCheckSecondaries(c *C) { } func (s *testAsyncCommitSuite) TestRepeatableRead(c *C) { - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.AsyncCommit.Enable = true - }) - var connID uint64 = 0 test := func(isPessimistic bool) { - s.putKV(c, []byte("k1"), []byte("v1")) + s.putKV(c, []byte("k1"), []byte("v1"), true) connID++ ctx := context.WithValue(context.Background(), sessionctx.ConnID, connID) - txn1, err := s.store.Begin() + txn1 := s.beginAsyncCommit(c) txn1.SetOption(kv.Pessimistic, isPessimistic) - c.Assert(err, IsNil) s.mustGetFromTxn(c, txn1, []byte("k1"), []byte("v1")) txn1.Set([]byte("k1"), []byte("v2")) @@ -345,20 +345,18 @@ func (s *testAsyncCommitSuite) TestRepeatableRead(c *C) { c.Assert(err, IsNil) } - txn2, err := s.store.Begin() - c.Assert(err, IsNil) + txn2 := s.beginAsyncCommit(c) s.mustGetFromTxn(c, txn2, []byte("k1"), []byte("v1")) - err = txn1.Commit(ctx) + err := txn1.Commit(ctx) c.Assert(err, IsNil) // Check txn1 is committed in async commit. - c.Assert(txn1.(*tikvTxn).committer.isAsyncCommit(), IsTrue) + c.Assert(txn1.committer.isAsyncCommit(), IsTrue) s.mustGetFromTxn(c, txn2, []byte("k1"), []byte("v1")) err = txn2.Rollback() c.Assert(err, IsNil) - txn3, err := s.store.Begin() - c.Assert(err, IsNil) + txn3 := s.beginAsyncCommit(c) s.mustGetFromTxn(c, txn3, []byte("k1"), []byte("v2")) err = txn3.Rollback() c.Assert(err, IsNil) @@ -371,17 +369,9 @@ func (s *testAsyncCommitSuite) TestRepeatableRead(c *C) { // It's just a simple validation of external consistency. // Extra tests are needed to test this feature with the control of the TiKV cluster. func (s *testAsyncCommitSuite) TestAsyncCommitExternalConsistency(c *C) { - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { - conf.TiKVClient.AsyncCommit.Enable = true - conf.TiKVClient.ExternalConsistency = true - }) - - t1, err := s.store.Begin() - c.Assert(err, IsNil) - t2, err := s.store.Begin() - c.Assert(err, IsNil) - err = t1.Set([]byte("a"), []byte("a1")) + t1 := s.beginAsyncCommitWithExternalConsistency(c) + t2 := s.beginAsyncCommitWithExternalConsistency(c) + err := t1.Set([]byte("a"), []byte("a1")) c.Assert(err, IsNil) err = t2.Set([]byte("b"), []byte("b1")) c.Assert(err, IsNil) @@ -391,8 +381,8 @@ func (s *testAsyncCommitSuite) TestAsyncCommitExternalConsistency(c *C) { c.Assert(err, IsNil) err = t1.Commit(ctx) c.Assert(err, IsNil) - commitTS1 := t1.(*tikvTxn).committer.commitTS - commitTS2 := t2.(*tikvTxn).committer.commitTS + commitTS1 := t1.committer.commitTS + commitTS2 := t2.committer.commitTS c.Assert(commitTS2, Less, commitTS1) } From 051285a572587a3f92ddcd2e25b007bf1c0f7a10 Mon Sep 17 00:00:00 2001 From: cfzjywxk Date: Wed, 2 Dec 2020 12:04:47 +0800 Subject: [PATCH 0348/1021] txn: fix the inconsistency caused by amend, support unique index amend (#21267) --- session/pessimistic_test.go | 83 +++++++++++ session/schema_amender.go | 209 +++++++++++++++++--------- session/schema_amender_test.go | 264 ++++++++++++++++++++------------- store/tikv/2pc.go | 82 ++++++++++ store/tikv/pessimistic.go | 2 +- 5 files changed, 467 insertions(+), 173 deletions(-) diff --git a/session/pessimistic_test.go b/session/pessimistic_test.go index 06329eaa90f50..d0007ed2980df 100644 --- a/session/pessimistic_test.go +++ b/session/pessimistic_test.go @@ -2129,3 +2129,86 @@ func (s *testPessimisticSuite) Test1PCWithSchemaChange(c *C) { c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/beforePrewrite"), IsNil) tk3.MustExec("admin check table tk") } + +func (s *testPessimisticSuite) TestAmendForUniqueIndex(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk2 := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("set tidb_enable_amend_pessimistic_txn = 1;") + tk.MustExec("drop database if exists test_db") + tk.MustExec("create database test_db") + tk.MustExec("use test_db") + tk2.MustExec("use test_db") + tk2.MustExec("drop table if exists t1") + tk2.MustExec("create table t1(c1 int primary key, c2 int, c3 int, unique key uk(c2));") + tk2.MustExec("insert into t1 values(1, 1, 1);") + tk2.MustExec("insert into t1 values(2, 2, 2);") + + // New value has duplicates. + tk.MustExec("begin pessimistic") + tk.MustExec("insert into t1 values(3, 3, 3)") + tk.MustExec("insert into t1 values(4, 4, 3)") + tk2.MustExec("alter table t1 add unique index uk1(c3)") + err := tk.ExecToErr("commit") + c.Assert(err, NotNil) + tk2.MustExec("alter table t1 drop index uk1") + tk2.MustExec("admin check table t1") + + // New values has duplicates with old values. + tk.MustExec("begin pessimistic") + tk.MustExec("insert into t1 values(3, 3, 3)") + tk.MustExec("insert into t1 values(4, 4, 1)") + tk2.MustExec("alter table t1 add unique index uk1(c3)") + err = tk.ExecToErr("commit") + c.Assert(err, NotNil) + tk2.MustExec("admin check table t1") + + // Put new values. + tk2.MustQuery("select * from t1 for update").Check(testkit.Rows("1 1 1", "2 2 2")) + tk2.MustExec("alter table t1 drop index uk1") + tk.MustExec("begin pessimistic") + tk2.MustExec("alter table t1 add unique index uk1(c3)") + tk.MustExec("insert into t1 values(5, 5, 5)") + tk.MustExec("commit") + tk2.MustExec("admin check table t1") + + // Update the old value with same unique key value, should abort. + tk2.MustExec("drop table if exists t;") + tk2.MustExec("create table t (id int auto_increment primary key, c int);") + tk2.MustExec("insert into t (id, c) values (1, 2), (3, 4);") + tk.MustExec("begin pessimistic") + tk2.MustExec("alter table t add unique index uk(c);") + tk.MustExec("update t set c = 2 where id = 3;") + err = tk.ExecToErr("commit") + c.Assert(err, NotNil) + tk2.MustExec("admin check table t") + + // Update the old value with same unique key, but the row key has changed. + tk2.MustExec("drop table if exists t;") + tk2.MustExec("create table t (id int auto_increment primary key, c int);") + tk2.MustExec("insert into t (id, c) values (1, 2), (3, 4);") + tk.MustExec("begin pessimistic") + tk.MustExec("insert into t values (3, 2) on duplicate key update id = values(id) and c = values(c)") + finishCh := make(chan error) + go func() { + err := tk2.ExecToErr("alter table t add unique index uk(c);") + finishCh <- err + }() + time.Sleep(300 * time.Millisecond) + tk.MustExec("commit") + err = <-finishCh + c.Assert(err, IsNil) + tk2.MustExec("admin check table t") + + // Update the old value with same unique key, but the row key has changed. + /* TODO this case could not pass using unistore because of https://github.com/ngaut/unistore/issues/428. + // Reopen it after fix the unistore issue. + tk2.MustExec("drop table if exists t;") + tk2.MustExec("create table t (id int auto_increment primary key, c int);") + tk2.MustExec("insert into t (id, c) values (1, 2), (3, 4);") + tk.MustExec("begin pessimistic") + tk2.MustExec("alter table t add unique index uk(c);") + tk.MustExec("insert into t values (3, 2) on duplicate key update id = values(id) and c = values(c)") + tk.MustExec("commit") + tk2.MustExec("admin check table t") + */ +} diff --git a/session/schema_amender.go b/session/schema_amender.go index 6af3fada31123..e643b45818c24 100644 --- a/session/schema_amender.go +++ b/session/schema_amender.go @@ -218,11 +218,6 @@ func (a *amendCollector) collectIndexAmendOps(sctx sessionctx.Context, tblAtStar amendOpType = ConstOpAddIndex[idxInfoAtStart.Meta().State][idxInfoAtCommit.Meta().State] } if amendOpType != AmendNone { - // TODO unique index amend is not supported by now. - if idxInfoAtCommit.Meta().Unique { - return nil, errors.Trace(errors.Errorf("amend unique index=%v for table=%v is not supported now", - idxInfoAtCommit.Meta().Name, tblAtCommit.Meta().Name)) - } opInfo := &amendOperationAddIndexInfo{} opInfo.AmendOpType = amendOpType opInfo.tblInfoAtStart = tblAtStart @@ -245,18 +240,12 @@ func (a *amendCollector) collectIndexAmendOps(sctx sessionctx.Context, tblAtStar fieldTypes = append(fieldTypes, &col.FieldType) } opInfo.chk = chunk.NewChunkWithCapacity(fieldTypes, 4) - if addIndexNeedRemoveOp(amendOpType) { - removeIndexOp := &amendOperationDeleteOldIndex{ - info: opInfo, - } - res = append(res, removeIndexOp) - } - if addIndexNeedAddOp(amendOpType) { - addNewIndexOp := &amendOperationAddNewIndex{ - info: opInfo, - } - res = append(res, addNewIndexOp) + addNewIndexOp := &amendOperationAddIndex{ + info: opInfo, + insertedNewIndexKeys: make(map[string]struct{}), + deletedOldIndexKeys: make(map[string]struct{}), } + res = append(res, addNewIndexOp) } } return res, nil @@ -285,11 +274,13 @@ func (a *amendCollector) collectTblAmendOps(sctx sessionctx.Context, phyTblID in return nil } -func isDeleteOp(keyOp pb.Op) bool { +// mayGenDelIndexRowKeyOp returns if the row key op could generate Op_Del index key mutations. +func mayGenDelIndexRowKeyOp(keyOp pb.Op) bool { return keyOp == pb.Op_Del || keyOp == pb.Op_Put } -func isInsertOp(keyOp pb.Op) bool { +// mayGenPutIndexRowKeyOp returns if the row key op could generate Op_Put/Op_Insert index key mutations. +func mayGenPutIndexRowKeyOp(keyOp pb.Op) bool { return keyOp == pb.Op_Put || keyOp == pb.Op_Insert } @@ -312,14 +303,14 @@ type amendOperationAddIndexInfo struct { chk *chunk.Chunk } -// amendOperationDeleteOldIndex represents the remove operation will be performed on old key values for add index amend. -type amendOperationDeleteOldIndex struct { +// amendOperationAddIndex represents the add operation will be performed on new key values for add index amend. +type amendOperationAddIndex struct { info *amendOperationAddIndexInfo -} -// amendOperationAddNewIndex represents the add operation will be performed on new key values for add index amend. -type amendOperationAddNewIndex struct { - info *amendOperationAddIndexInfo + // insertedNewIndexKeys is used to check duplicates for new index generated by unique key. + insertedNewIndexKeys map[string]struct{} + // deletedOldIndexKeys is used to check duplicates for deleted old index keys. + deletedOldIndexKeys map[string]struct{} } func (a *amendOperationAddIndexInfo) String() string { @@ -334,42 +325,76 @@ func (a *amendOperationAddIndexInfo) String() string { return res } -func (a *amendOperationDeleteOldIndex) genMutations(ctx context.Context, sctx sessionctx.Context, - commitMutations tikv.CommitterMutations, kvMap *rowKvMap, resAddMutations *tikv.PlainMutations) error { - count := commitMutations.Len() - for i := 0; i < count; i++ { - key := commitMutations.GetKey(i) - keyOp := commitMutations.GetOp(i) +func (a *amendOperationAddIndex) genMutations(ctx context.Context, sctx sessionctx.Context, commitMutations tikv.CommitterMutations, + kvMap *rowKvMap, resAddMutations *tikv.PlainMutations) error { + // There should be no duplicate keys in deletedOldIndexKeys and insertedNewIndexKeys. + deletedMutations := tikv.NewPlainMutations(32) + insertedMutations := tikv.NewPlainMutations(32) + for i, key := range commitMutations.GetKeys() { if tablecodec.IsIndexKey(key) || tablecodec.DecodeTableID(key) != a.info.tblInfoAtCommit.Meta().ID { continue } - if !isDeleteOp(keyOp) { - continue + var newIdxMutation *tikv.PlainMutation + var oldIdxMutation *tikv.PlainMutation + var err error + keyOp := commitMutations.GetOp(i) + if addIndexNeedRemoveOp(a.info.AmendOpType) { + if mayGenDelIndexRowKeyOp(keyOp) { + oldIdxMutation, err = a.genOldIdxKey(ctx, sctx, key, kvMap.oldRowKvMap) + if err != nil { + return err + } + } } - err := a.processRowKey(ctx, sctx, key, kvMap.oldRowKvMap, resAddMutations) - if err != nil { - return err + if addIndexNeedAddOp(a.info.AmendOpType) { + if mayGenPutIndexRowKeyOp(keyOp) { + newIdxMutation, err = a.genNewIdxKey(ctx, sctx, key, kvMap.newRowKvMap) + if err != nil { + return err + } + } } - } - return nil -} - -func (a *amendOperationAddNewIndex) genMutations(ctx context.Context, sctx sessionctx.Context, commitMutations tikv.CommitterMutations, - kvMap *rowKvMap, resAddMutations *tikv.PlainMutations) error { - count := commitMutations.Len() - for i := 0; i < count; i++ { - key := commitMutations.GetKey(i) - keyOp := commitMutations.GetOp(i) - if tablecodec.IsIndexKey(key) || tablecodec.DecodeTableID(key) != a.info.tblInfoAtCommit.Meta().ID { - continue + skipMerge := false + if a.info.AmendOpType == AmendNeedAddDeleteAndInsert { + // If the old index key is the same with new index key, then the index related row value + // is not changed in this row, we don't need to add or remove index keys for this row. + if oldIdxMutation != nil && newIdxMutation != nil { + if bytes.Equal(oldIdxMutation.Key, newIdxMutation.Key) { + skipMerge = true + } + } } - if !isInsertOp(keyOp) { - continue + if !skipMerge { + if oldIdxMutation != nil { + deletedMutations.AppendMutation(*oldIdxMutation) + } + if newIdxMutation != nil { + insertedMutations.AppendMutation(*newIdxMutation) + } } - err := a.processRowKey(ctx, sctx, key, kvMap.newRowKvMap, resAddMutations) - if err != nil { - return err + } + // For unique index, there may be conflicts on the same unique index key from different rows.Consider a update statement, + // "Op_Del" on row_key = 3, row_val = 4, the "Op_Del" unique_key_4 -> nil will be generated. + // "Op_Put" on row_key = 0, row_val = 4, the "Op_Insert" unique_key_4 -> 0 will be generated. + // The "Op_Insert" should cover the "Op_Del" otherwise the new put row value will not have a correspond index value. + if a.info.indexInfoAtCommit.Meta().Unique { + for i := 0; i < len(deletedMutations.GetKeys()); i++ { + key := deletedMutations.GetKeys()[i] + if _, ok := a.insertedNewIndexKeys[string(key)]; !ok { + resAddMutations.Push(deletedMutations.GetOps()[i], key, deletedMutations.GetValues()[i], deletedMutations.GetPessimisticFlags()[i]) + } + } + for i := 0; i < len(insertedMutations.GetKeys()); i++ { + key := insertedMutations.GetKeys()[i] + destKeyOp := pb.Op_Insert + if _, ok := a.deletedOldIndexKeys[string(key)]; ok { + destKeyOp = pb.Op_Put + } + resAddMutations.Push(destKeyOp, key, insertedMutations.GetValues()[i], insertedMutations.GetPessimisticFlags()[i]) } + } else { + resAddMutations.MergeMutations(deletedMutations) + resAddMutations.MergeMutations(insertedMutations) } return nil } @@ -418,39 +443,59 @@ func (a *amendOperationAddIndexInfo) genIndexKeyValue(ctx context.Context, sctx return newIdxKey, newIdxVal, nil } -func (a *amendOperationAddNewIndex) processRowKey(ctx context.Context, sctx sessionctx.Context, key []byte, - kvMap map[string][]byte, resAddMutations *tikv.PlainMutations) error { +func (a *amendOperationAddIndex) genNewIdxKey(ctx context.Context, sctx sessionctx.Context, key []byte, + kvMap map[string][]byte) (*tikv.PlainMutation, error) { kvHandle, err := tablecodec.DecodeRowKey(key) if err != nil { logutil.Logger(ctx).Error("decode key error", zap.String("key", hex.EncodeToString(key)), zap.Error(err)) - return errors.Trace(err) + return nil, errors.Trace(err) } newIdxKey, newIdxValue, err := a.info.genIndexKeyValue(ctx, sctx, kvMap, key, kvHandle, false) if err != nil { - return errors.Trace(err) + return nil, errors.Trace(err) } - resAddMutations.Push(pb.Op_Put, newIdxKey, newIdxValue, false) - return nil + newIndexOp := pb.Op_Put + isPessimisticLock := false + if _, ok := a.insertedNewIndexKeys[string(newIdxKey)]; ok { + return nil, errors.Trace(errors.Errorf("amend process key same key=%v found for index=%v in table=%v", + newIdxKey, a.info.indexInfoAtCommit.Meta().Name, a.info.tblInfoAtCommit.Meta().Name)) + } + if a.info.indexInfoAtCommit.Meta().Unique { + newIndexOp = pb.Op_Insert + isPessimisticLock = true + } + a.insertedNewIndexKeys[string(newIdxKey)] = struct{}{} + newMutation := &tikv.PlainMutation{KeyOp: newIndexOp, Key: newIdxKey, Value: newIdxValue, IsPessimisticLock: isPessimisticLock} + return newMutation, nil } -func (a *amendOperationDeleteOldIndex) processRowKey(ctx context.Context, sctx sessionctx.Context, key []byte, - oldValKvMap map[string][]byte, resAddMutations *tikv.PlainMutations) error { +func (a *amendOperationAddIndex) genOldIdxKey(ctx context.Context, sctx sessionctx.Context, key []byte, + oldValKvMap map[string][]byte) (*tikv.PlainMutation, error) { kvHandle, err := tablecodec.DecodeRowKey(key) if err != nil { logutil.Logger(ctx).Error("decode key error", zap.String("key", hex.EncodeToString(key)), zap.Error(err)) - return errors.Trace(err) + return nil, errors.Trace(err) } // Generated delete index key value. newIdxKey, emptyVal, err := a.info.genIndexKeyValue(ctx, sctx, oldValKvMap, key, kvHandle, true) if err != nil { - return errors.Trace(err) + return nil, errors.Trace(err) } // For Op_Put the key may not exist in old key value map. if len(newIdxKey) > 0 { - resAddMutations.Push(pb.Op_Del, newIdxKey, emptyVal, false) + isPessimisticLock := false + if _, ok := a.deletedOldIndexKeys[string(newIdxKey)]; ok { + return nil, errors.Trace(errors.Errorf("amend process key same key=%v found for index=%v in table=%v", + newIdxKey, a.info.indexInfoAtCommit.Meta().Name, a.info.tblInfoAtCommit.Meta().Name)) + } + if a.info.indexInfoAtCommit.Meta().Unique { + isPessimisticLock = true + } + a.deletedOldIndexKeys[string(newIdxKey)] = struct{}{} + return &tikv.PlainMutation{KeyOp: pb.Op_Del, Key: newIdxKey, Value: emptyVal, IsPessimisticLock: isPessimisticLock}, nil } - return nil + return nil, nil } // SchemaAmender is used to amend pessimistic transactions for schema change. @@ -465,11 +510,9 @@ func NewSchemaAmenderForTikvTxn(sess *session) *SchemaAmender { } func (s *SchemaAmender) getAmendableKeys(commitMutations tikv.CommitterMutations, info *amendCollector) ([]kv.Key, []kv.Key) { - count := commitMutations.Len() - addKeys := make([]kv.Key, 0, count) - removeKeys := make([]kv.Key, 0, count) - for i := 0; i < count; i++ { - byteKey := commitMutations.GetKey(i) + addKeys := make([]kv.Key, 0, len(commitMutations.GetKeys())) + removeKeys := make([]kv.Key, 0, len(commitMutations.GetKeys())) + for i, byteKey := range commitMutations.GetKeys() { if tablecodec.IsIndexKey(byteKey) || !info.keyHasAmendOp(byteKey) { continue } @@ -481,7 +524,9 @@ func (s *SchemaAmender) getAmendableKeys(commitMutations tikv.CommitterMutations addKeys = append(addKeys, byteKey) } else if pb.Op_Del == keyOp { removeKeys = append(removeKeys, byteKey) - } // else Do nothing. + } else { + // Do nothing. + } } return addKeys, removeKeys } @@ -526,6 +571,26 @@ func (s *SchemaAmender) prepareKvMap(ctx context.Context, commitMutations tikv.C return res, nil } +func (s *SchemaAmender) checkDupKeys(ctx context.Context, mutations tikv.CommitterMutations) error { + // Check if there are duplicate key entries. + checkMap := make(map[string]pb.Op) + for i := 0; i < mutations.Len(); i++ { + key := mutations.GetKey(i) + keyOp := mutations.GetOp(i) + keyVal := mutations.GetValue(i) + if foundOp, ok := checkMap[string(key)]; ok { + logutil.Logger(ctx).Error("duplicate key found in amend result mutations", + zap.Stringer("key", kv.Key(key)), + zap.Stringer("foundKeyOp", foundOp), + zap.Stringer("thisKeyOp", keyOp), + zap.Stringer("thisKeyValue", kv.Key(keyVal))) + return errors.Trace(errors.Errorf("duplicate key=%s is found in mutations", kv.Key(key).String())) + } + checkMap[string(key)] = keyOp + } + return nil +} + // genAllAmendMutations generates CommitterMutations for all tables and related amend operations. func (s *SchemaAmender) genAllAmendMutations(ctx context.Context, commitMutations tikv.CommitterMutations, info *amendCollector) (*tikv.PlainMutations, error) { @@ -543,6 +608,10 @@ func (s *SchemaAmender) genAllAmendMutations(ctx context.Context, commitMutation } } } + err = s.checkDupKeys(ctx, &resultNewMutations) + if err != nil { + return nil, err + } return &resultNewMutations, nil } diff --git a/session/schema_amender_test.go b/session/schema_amender_test.go index ab44f4f96007f..2ab99cb29f092 100644 --- a/session/schema_amender_test.go +++ b/session/schema_amender_test.go @@ -31,7 +31,9 @@ import ( "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" + "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/rowcodec" + "go.uber.org/zap" ) var _ = SerialSuites(&testSchemaAmenderSuite{}) @@ -51,14 +53,17 @@ func initTblColIdxID(metaInfo *model.TableInfo) { } for i, idx := range metaInfo.Indices { idx.ID = int64(i + 1) - // TODO unique index is not supported now. - idx.Unique = false + if idx.Name.L == "f_g" { + idx.Unique = true + } else { + idx.Unique = false + } } metaInfo.ID = 1 metaInfo.State = model.StatePublic } -func mutationsEqual(res tikv.CommitterMutations, expected tikv.CommitterMutations, c *C) { +func mutationsEqual(res *tikv.PlainMutations, expected *tikv.PlainMutations, c *C) { c.Assert(len(res.GetKeys()), Equals, len(expected.GetKeys())) for i := 0; i < len(res.GetKeys()); i++ { foundIdx := -1 @@ -69,10 +74,10 @@ func mutationsEqual(res tikv.CommitterMutations, expected tikv.CommitterMutation } } c.Assert(foundIdx, GreaterEqual, 0) - c.Assert(res.GetOp(i), Equals, expected.GetOp(foundIdx)) - c.Assert(res.IsPessimisticLock(i), Equals, expected.IsPessimisticLock(foundIdx)) + c.Assert(res.GetOps()[i], Equals, expected.GetOps()[foundIdx]) + c.Assert(res.GetPessimisticFlags()[i], Equals, expected.GetPessimisticFlags()[foundIdx]) c.Assert(res.GetKeys()[i], BytesEquals, expected.GetKeys()[foundIdx]) - c.Assert(res.GetValue(i), BytesEquals, expected.GetValue(foundIdx)) + c.Assert(res.GetValues()[i], BytesEquals, expected.GetValues()[foundIdx]) } } @@ -83,8 +88,10 @@ type data struct { rowValue [][]types.Datum } +// Generate exist old data and new data in transaction to be amended. Also generate the expected amend mutations +// according to the old and new data and the full generated expected mutations. func prepareTestData(se *session, mutations *tikv.PlainMutations, oldTblInfo table.Table, newTblInfo table.Table, - expecetedAmendOps []amendOp, c *C) (*data, *data, *tikv.PlainMutations) { + expectedAmendOps []amendOp, c *C) (*data, tikv.PlainMutations) { var err error // Generated test data. colIds := make([]int64, len(oldTblInfo.Meta().Columns)) @@ -99,29 +106,36 @@ func prepareTestData(se *session, mutations *tikv.PlainMutations, oldTblInfo tab } KeyOps := []kvrpcpb.Op{kvrpcpb.Op_Put, kvrpcpb.Op_Del, kvrpcpb.Op_Lock, kvrpcpb.Op_Insert, kvrpcpb.Op_Put, kvrpcpb.Op_Del, kvrpcpb.Op_Insert, kvrpcpb.Op_Lock} - oldRowValues := make([][]types.Datum, len(KeyOps)) - newRowValues := make([][]types.Datum, len(KeyOps)) + numberOfRows := len(KeyOps) + oldRowValues := make([][]types.Datum, numberOfRows) + newRowValues := make([][]types.Datum, numberOfRows) rd := rowcodec.Encoder{Enable: true} - newData := &data{} oldData := &data{} expecteMutations := tikv.NewPlainMutations(8) + oldRowKvMap := make(map[string][]types.Datum) + newRowKvMap := make(map[string][]types.Datum) + // colIdx: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. + // column: a, b, c, d, e, c_str, d_str, e_str, f, g. // Generate old data. - for i := 0; i < len(KeyOps); i++ { + for i := 0; i < numberOfRows; i++ { keyOp := KeyOps[i] thisRowValue := make([]types.Datum, len(basicRowValue)) copy(thisRowValue, basicRowValue) thisRowValue[0] = types.NewIntDatum(int64(i + 1)) thisRowValue[4] = types.NewIntDatum(int64(i + 1 + 4)) + // f_g has a unique index. + thisRowValue[8] = types.NewIntDatum(int64(i + 1 + 8)) - // Save old data. - rowKey := tablecodec.EncodeRowKeyWithHandle(oldTblInfo.Meta().ID, kv.IntHandle(i+1)) + // Save old data, they will be put into db first. + rowKey := tablecodec.EncodeRowKeyWithHandle(oldTblInfo.Meta().ID, kv.IntHandle(int64(i+1))) var rowValue []byte rowValue, err = rd.Encode(se.sessionVars.StmtCtx, colIds, thisRowValue, nil) c.Assert(err, IsNil) - if keyOp == kvrpcpb.Op_Del || keyOp == kvrpcpb.Op_Put { + if keyOp == kvrpcpb.Op_Del || keyOp == kvrpcpb.Op_Put || keyOp == kvrpcpb.Op_Lock { // Skip the last Op_put, it has no old row value. if i == 4 { + oldRowValues[i] = nil continue } oldData.keys = append(oldData.keys, rowKey) @@ -129,54 +143,48 @@ func prepareTestData(se *session, mutations *tikv.PlainMutations, oldTblInfo tab oldData.ops = append(oldData.ops, keyOp) oldData.rowValue = append(oldData.rowValue, thisRowValue) if keyOp == kvrpcpb.Op_Del { - mutations.Push(keyOp, rowKey, nil, true) + mutations.Push(keyOp, rowKey, []byte{}, true) } } oldRowValues[i] = thisRowValue + oldRowKvMap[string(rowKey)] = thisRowValue } // Generate new data. - for i := 0; i < len(KeyOps); i++ { + for i := 0; i < numberOfRows; i++ { keyOp := KeyOps[i] thisRowValue := make([]types.Datum, len(basicRowValue)) copy(thisRowValue, basicRowValue) thisRowValue[0] = types.NewIntDatum(int64(i + 1)) // New column e value should be different from old row values. thisRowValue[4] = types.NewIntDatum(int64(i+1+4) * 20) + // New column f value should be different since it has a related unique index. + thisRowValue[8] = types.NewIntDatum(int64(i+1+4) * 20) var rowValue []byte // Save new data. - rowKey := tablecodec.EncodeRowKeyWithHandle(oldTblInfo.Meta().ID, kv.IntHandle(i+1)) + rowKey := tablecodec.EncodeRowKeyWithHandle(oldTblInfo.Meta().ID, kv.IntHandle(int64(i+1))) if keyOp == kvrpcpb.Op_Insert { rowValue, err = tablecodec.EncodeOldRow(se.sessionVars.StmtCtx, thisRowValue, colIds, nil, nil) } else { rowValue, err = rd.Encode(se.sessionVars.StmtCtx, colIds, thisRowValue, nil) } + c.Assert(err, IsNil) if keyOp == kvrpcpb.Op_Put || keyOp == kvrpcpb.Op_Insert { - newData.keys = append(newData.keys, rowKey) - newData.values = append(newData.values, rowValue) - newData.ops = append(newData.ops, keyOp) - newData.rowValue = append(newData.rowValue, thisRowValue) mutations.Push(keyOp, rowKey, rowValue, true) } else if keyOp == kvrpcpb.Op_Lock { mutations.Push(keyOp, rowKey, []byte{}, true) } newRowValues[i] = thisRowValue + newRowKvMap[string(rowKey)] = thisRowValue } - // Prepare expected results. - for _, op := range expecetedAmendOps { - var oldOp *amendOperationDeleteOldIndex - var newOp *amendOperationAddNewIndex + // Prepare expected result mutations. + for _, op := range expectedAmendOps { var info *amendOperationAddIndexInfo - var ok bool - oldOp, ok = op.(*amendOperationDeleteOldIndex) - if ok { - info = oldOp.info - } else { - newOp = op.(*amendOperationAddNewIndex) - info = newOp.info - } + expectedOp, ok := op.(*amendOperationAddIndex) + c.Assert(ok, IsTrue) + info = expectedOp.info var idxVal []byte genIndexKV := func(inputRow []types.Datum) ([]byte, []byte) { indexDatums := make([]types.Datum, len(info.relatedOldIdxCols)) @@ -192,35 +200,53 @@ func prepareTestData(se *session, mutations *tikv.PlainMutations, oldTblInfo tab c.Assert(err, IsNil) return idxKey, idxVal } - _, ok = op.(*amendOperationDeleteOldIndex) - if ok { - c.Assert(addIndexNeedRemoveOp(info.AmendOpType), IsTrue) - for i := range oldData.keys { - if addIndexNeedRemoveOp(info.AmendOpType) && isDeleteOp(oldData.ops[i]) { - thisRowValue := oldData.rowValue[i] + for i := 0; i < len(mutations.GetKeys()); i++ { + oldIdxKeyMutation := tikv.PlainMutations{} + newIdxKeyMutation := tikv.PlainMutations{} + key := mutations.GetKeys()[i] + keyOp := mutations.GetOps()[i] + if addIndexNeedRemoveOp(info.AmendOpType) && mayGenDelIndexRowKeyOp(keyOp) { + thisRowValue := oldRowKvMap[string(key)] + if len(thisRowValue) > 0 { idxKey, _ := genIndexKV(thisRowValue) - expecteMutations.Push(kvrpcpb.Op_Del, idxKey, []byte{}, false) + isPessimisticLock := false + if info.indexInfoAtCommit.Meta().Unique { + isPessimisticLock = true + } + oldIdxKeyMutation.Push(kvrpcpb.Op_Del, idxKey, []byte{}, isPessimisticLock) } } - } - _, ok = op.(*amendOperationAddNewIndex) - if ok { - c.Assert(addIndexNeedAddOp(info.AmendOpType), IsTrue) - for i := range newData.keys { - if addIndexNeedAddOp(info.AmendOpType) && isInsertOp(newData.ops[i]) { - thisRowValue := newData.rowValue[i] - idxKey, idxVal := genIndexKV(thisRowValue) - c.Assert(err, IsNil) - mutOp := kvrpcpb.Op_Put - if info.indexInfoAtCommit.Meta().Unique { - mutOp = kvrpcpb.Op_Insert + if addIndexNeedAddOp(info.AmendOpType) && mayGenPutIndexRowKeyOp(keyOp) { + thisRowValue := newRowKvMap[string(key)] + idxKey, idxVal := genIndexKV(thisRowValue) + mutOp := kvrpcpb.Op_Put + isPessimisticLock := false + if info.indexInfoAtCommit.Meta().Unique { + mutOp = kvrpcpb.Op_Insert + isPessimisticLock = true + } + newIdxKeyMutation.Push(mutOp, idxKey, idxVal, isPessimisticLock) + } + skipMerge := false + if info.AmendOpType == AmendNeedAddDeleteAndInsert { + if len(oldIdxKeyMutation.GetKeys()) > 0 && len(newIdxKeyMutation.GetKeys()) > 0 { + if bytes.Equal(oldIdxKeyMutation.GetKeys()[0], newIdxKeyMutation.GetKeys()[0]) { + skipMerge = true } - expecteMutations.Push(mutOp, idxKey, idxVal, false) + } + } + if !skipMerge { + if len(oldIdxKeyMutation.GetKeys()) > 0 { + expecteMutations.MergeMutations(oldIdxKeyMutation) + } + if len(newIdxKeyMutation.GetKeys()) > 0 { + expecteMutations.MergeMutations(newIdxKeyMutation) } } } } - return newData, oldData, &expecteMutations + + return oldData, expecteMutations } func (s *testSchemaAmenderSuite) TestAmendCollectAndGenMutations(c *C) { @@ -232,7 +258,7 @@ func (s *testSchemaAmenderSuite) TestAmendCollectAndGenMutations(c *C) { parser: parser.New(), sessionVars: variable.NewSessionVars(), } - startStates := []model.SchemaState{model.StateNone, model.StateDeleteOnly} + startStates := []model.SchemaState{model.StateNone, model.StateDeleteOnly, model.StateWriteOnly, model.StateWriteReorganization} for _, startState := range startStates { endStatMap := ConstOpAddIndex[startState] var endStates []model.SchemaState @@ -241,6 +267,7 @@ func (s *testSchemaAmenderSuite) TestAmendCollectAndGenMutations(c *C) { } sort.Slice(endStates, func(i, j int) bool { return endStates[i] < endStates[j] }) for _, endState := range endStates { + logutil.BgLogger().Info("[TEST]>>>>>>new round test", zap.Stringer("start", startState), zap.Stringer("end", endState)) // column: a, b, c, d, e, c_str, d_str, e_str, f, g. // PK: a. // indices: c_d_e, e, f, g, f_g, c_d_e_str, c_d_e_str_prefix. @@ -252,6 +279,7 @@ func (s *testSchemaAmenderSuite) TestAmendCollectAndGenMutations(c *C) { c.Assert(err, IsNil) oldTblMeta.Indices[0].State = startState oldTblMeta.Indices[2].State = endState + oldTblMeta.Indices[3].State = startState newTblMeta := core.MockSignedTable() initTblColIdxID(newTblMeta) @@ -274,13 +302,15 @@ func (s *testSchemaAmenderSuite) TestAmendCollectAndGenMutations(c *C) { newTblMeta.Indices[1].State = endState // Indices[3] is dropped newTblMeta.Indices[3].State = startState + // Indices[4] is newly created unique index. + newTblMeta.Indices[4].State = endState // Only the add index amend operations is collected in the results. collector := newAmendCollector() tblID := int64(1) err = collector.collectTblAmendOps(se, tblID, oldTbInfo, newTblInfo, 1< 0 { + pessimisticLockBo := NewBackofferWithVars(ctx, pessimisticLockMaxBackoff, c.txn.vars) + lCtx := &kv.LockCtx{ + ForUpdateTS: c.forUpdateTS, + LockWaitTime: kv.LockNoWait, + } + err := c.pessimisticLockMutations(pessimisticLockBo, lCtx, &keysNeedToLock) + if err != nil { + logutil.Logger(ctx).Warn("amend pessimistic lock has failed", zap.Error(err), zap.Uint64("txnStartTS", c.startTS)) + return err + } + logutil.Logger(ctx).Info("amendPessimisticLock finished", + zap.Uint64("startTs", c.startTS), + zap.Uint64("forUpdateTS", c.forUpdateTS), + zap.Int("keys", keysNeedToLock.Len())) + } + return nil +} + func (c *twoPhaseCommitter) tryAmendTxn(ctx context.Context, startInfoSchema SchemaVer, change *RelatedSchemaChange) (bool, error) { addMutations, err := c.txn.schemaAmender.AmendTxn(ctx, startInfoSchema, change, c.mutations) if err != nil { @@ -1280,6 +1357,11 @@ func (c *twoPhaseCommitter) tryAmendTxn(ctx context.Context, startInfoSchema Sch } // Add new mutations to the mutation list or prewrite them if prewrite already starts. if addMutations != nil && addMutations.Len() > 0 { + err = c.amendPessimisticLock(ctx, addMutations) + if err != nil { + logutil.Logger(ctx).Info("amendPessimisticLock has failed", zap.Error(err)) + return false, err + } if c.prewriteStarted { prewriteBo := NewBackofferWithVars(ctx, PrewriteMaxBackoff, c.txn.vars) err = c.prewriteMutations(prewriteBo, addMutations) diff --git a/store/tikv/pessimistic.go b/store/tikv/pessimistic.go index 7e3cb6ba6e316..a3cb5105c7229 100644 --- a/store/tikv/pessimistic.go +++ b/store/tikv/pessimistic.go @@ -63,7 +63,7 @@ func (action actionPessimisticLock) handleSingleBatch(c *twoPhaseCommitter, bo * Op: pb.Op_PessimisticLock, Key: m.GetKey(i), } - if c.txn.us.HasPresumeKeyNotExists(m.GetKey(i)) { + if c.txn.us.HasPresumeKeyNotExists(m.GetKey(i)) || (c.doingAmend && m.GetOp(i) == pb.Op_Insert) { mut.Assertion = pb.Assertion_NotExist } mutations[i] = mut From 550c2c0c103b48180d14d58a37c2d601b1b58c8b Mon Sep 17 00:00:00 2001 From: Zhuomin Liu Date: Wed, 2 Dec 2020 12:18:48 +0800 Subject: [PATCH 0349/1021] planner: natural join not consider rowid and null eq not propagate (#21328) Signed-off-by: lzmhhh123 --- executor/join_test.go | 27 +++++-- executor/testdata/executor_suite_in.json | 9 +++ executor/testdata/executor_suite_out.json | 72 +++++++++++++++++++ expression/constant_propagation.go | 17 +++-- planner/core/logical_plan_builder.go | 4 ++ planner/core/testdata/point_get_plan_out.json | 10 +-- 6 files changed, 122 insertions(+), 17 deletions(-) diff --git a/executor/join_test.go b/executor/join_test.go index 2e8bbe6a8a20e..6d4c143cfe583 100644 --- a/executor/join_test.go +++ b/executor/join_test.go @@ -635,19 +635,32 @@ func (s *testSuiteJoin1) TestUsing(c *C) { tk.MustExec("update t t1 join t t2 using(a,b) set t1.c=t2.d;") } -func (s *testSuiteJoin1) TestNaturalJoin(c *C) { +func (s *testSuiteWithData) TestNaturalJoin(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") tk.MustExec("drop table if exists t1, t2") tk.MustExec("create table t1 (a int, b int)") tk.MustExec("create table t2 (a int, c int)") - tk.MustExec("insert t1 values (1, 2), (10, 20)") - tk.MustExec("insert t2 values (1, 3), (100, 200)") - - tk.MustQuery("select * from t1 natural join t2").Check(testkit.Rows("1 2 3")) - tk.MustQuery("select * from t1 natural left join t2 order by a").Check(testkit.Rows("1 2 3", "10 20 ")) - tk.MustQuery("select * from t1 natural right join t2 order by a").Check(testkit.Rows("1 3 2", "100 200 ")) + tk.MustExec("insert t1 values (1,2), (10,20), (0,0)") + tk.MustExec("insert t2 values (1,3), (100,200), (0,0)") + + var input []string + var output []struct { + SQL string + Plan []string + Res []string + } + s.testData.GetTestCases(c, &input, &output) + for i, tt := range input { + s.testData.OnRecord(func() { + output[i].SQL = tt + output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + tt).Rows()) + output[i].Res = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Sort().Rows()) + }) + tk.MustQuery("explain " + tt).Check(testkit.Rows(output[i].Plan...)) + tk.MustQuery(tt).Sort().Check(testkit.Rows(output[i].Res...)) + } } func (s *testSuiteJoin3) TestMultiJoin(c *C) { diff --git a/executor/testdata/executor_suite_in.json b/executor/testdata/executor_suite_in.json index c4ba3926468d8..6974ed36d2bbf 100644 --- a/executor/testdata/executor_suite_in.json +++ b/executor/testdata/executor_suite_in.json @@ -30,5 +30,14 @@ "select * from t1 union all select * from t2 intersect select * from t3", "select * from t1 except select * from t2 intersect select * from t3" ] + }, + { + "name": "TestNaturalJoin", + "cases": [ + "select * from t1 natural join t2", + "select * from t1 natural left join t2 order by a", + "select * from t1 natural right join t2 order by a", + "SELECT * FROM t1 NATURAL LEFT JOIN t2 WHERE not(t1.a <=> t2.a)" + ] } ] diff --git a/executor/testdata/executor_suite_out.json b/executor/testdata/executor_suite_out.json index f147eed700107..bcf5edca85f36 100644 --- a/executor/testdata/executor_suite_out.json +++ b/executor/testdata/executor_suite_out.json @@ -448,5 +448,77 @@ ] } ] + }, + { + "Name": "TestNaturalJoin", + "Cases": [ + { + "SQL": "select * from t1 natural join t2", + "Plan": [ + "HashJoin_7 12487.50 root inner join, equal:[eq(test.t1.a, test.t2.a)]", + "├─TableReader_14(Build) 9990.00 root data:Selection_13", + "│ └─Selection_13 9990.00 cop[tikv] not(isnull(test.t2.a))", + "│ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + "└─TableReader_11(Probe) 9990.00 root data:Selection_10", + " └─Selection_10 9990.00 cop[tikv] not(isnull(test.t1.a))", + " └─TableFullScan_9 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "Res": [ + "0 0 0", + "1 2 3" + ] + }, + { + "SQL": "select * from t1 natural left join t2 order by a", + "Plan": [ + "Sort_6 12487.50 root test.t1.a", + "└─HashJoin_9 12487.50 root left outer join, equal:[eq(test.t1.a, test.t2.a)]", + " ├─TableReader_15(Build) 9990.00 root data:Selection_14", + " │ └─Selection_14 9990.00 cop[tikv] not(isnull(test.t2.a))", + " │ └─TableFullScan_13 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_12(Probe) 10000.00 root data:TableFullScan_11", + " └─TableFullScan_11 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "Res": [ + "0 0 0", + "1 2 3", + "10 20 " + ] + }, + { + "SQL": "select * from t1 natural right join t2 order by a", + "Plan": [ + "Sort_6 12487.50 root test.t2.a", + "└─Projection_8 12487.50 root test.t2.a, test.t2.c, test.t1.b", + " └─HashJoin_9 12487.50 root right outer join, equal:[eq(test.t1.a, test.t2.a)]", + " ├─TableReader_13(Build) 9990.00 root data:Selection_12", + " │ └─Selection_12 9990.00 cop[tikv] not(isnull(test.t1.a))", + " │ └─TableFullScan_11 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + " └─TableReader_15(Probe) 10000.00 root data:TableFullScan_14", + " └─TableFullScan_14 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ], + "Res": [ + "0 0 0", + "1 3 2", + "100 200 " + ] + }, + { + "SQL": "SELECT * FROM t1 NATURAL LEFT JOIN t2 WHERE not(t1.a <=> t2.a)", + "Plan": [ + "Projection_6 9990.00 root test.t1.a, test.t1.b, test.t2.c", + "└─Selection_7 9990.00 root not(nulleq(test.t1.a, test.t2.a))", + " └─HashJoin_8 12487.50 root left outer join, equal:[eq(test.t1.a, test.t2.a)]", + " ├─TableReader_14(Build) 9990.00 root data:Selection_13", + " │ └─Selection_13 9990.00 cop[tikv] not(isnull(test.t2.a))", + " │ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_11(Probe) 10000.00 root data:TableFullScan_10", + " └─TableFullScan_10 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "Res": [ + "10 20 " + ] + } + ] } ] diff --git a/expression/constant_propagation.go b/expression/constant_propagation.go index f236ad722b3d0..bddc5aa0a5079 100644 --- a/expression/constant_propagation.go +++ b/expression/constant_propagation.go @@ -119,7 +119,7 @@ func validEqualCond(ctx sessionctx.Context, cond Expression) (*Column, *Constant // for 'a, b, a < 3', it returns 'true, false, b < 3' // for 'a, b, sin(a) + cos(a) = 5', it returns 'true, false, returns sin(b) + cos(b) = 5' // for 'a, b, cast(a) < rand()', it returns 'false, true, cast(a) < rand()' -func tryToReplaceCond(ctx sessionctx.Context, src *Column, tgt *Column, cond Expression, rejectControl bool) (bool, bool, Expression) { +func tryToReplaceCond(ctx sessionctx.Context, src *Column, tgt *Column, cond Expression, nullAware bool) (bool, bool, Expression) { sf, ok := cond.(*ScalarFunction) if !ok { return false, false, cond @@ -132,11 +132,18 @@ func tryToReplaceCond(ctx sessionctx.Context, src *Column, tgt *Column, cond Exp if _, ok := inequalFunctions[sf.FuncName.L]; ok { return false, true, cond } - // See https://github.com/pingcap/tidb/issues/15782. The control function's result may rely on the original nullable - // information of the outer side column. Its args cannot be replaced easily. + // See + // https://github.com/pingcap/tidb/issues/15782 + // https://github.com/pingcap/tidb/issues/17817 + // The null sensitive function's result may rely on the original nullable information of the outer side column. + // Its args cannot be replaced easily. // A more strict check is that after we replace the arg. We check the nullability of the new expression. // But we haven't maintained it yet, so don't replace the arg of the control function currently. - if rejectControl && (sf.FuncName.L == ast.Ifnull || sf.FuncName.L == ast.If || sf.FuncName.L == ast.Case) { + if nullAware && + (sf.FuncName.L == ast.Ifnull || + sf.FuncName.L == ast.If || + sf.FuncName.L == ast.Case || + sf.FuncName.L == ast.NullEQ) { return false, false, cond } for idx, expr := range sf.GetArgs() { @@ -152,7 +159,7 @@ func tryToReplaceCond(ctx sessionctx.Context, src *Column, tgt *Column, cond Exp } args[idx] = tgt } else { - subReplaced, isNonDeterministic, subExpr := tryToReplaceCond(ctx, src, tgt, expr, rejectControl) + subReplaced, isNonDeterministic, subExpr := tryToReplaceCond(ctx, src, tgt, expr, nullAware) if isNonDeterministic { return false, true, cond } else if subReplaced { diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index 5759e0b5bd740..520191f19efb8 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -778,6 +778,10 @@ func (b *PlanBuilder) coalesceCommonColumns(p *LogicalJoin, leftPlan, rightPlan // Find out all the common columns and put them ahead. commonLen := 0 for i, lName := range lNames { + // Natural join should ignore _tidb_rowid + if lName.ColName.L == "_tidb_rowid" { + continue + } for j := commonLen; j < len(rNames); j++ { if lName.ColName.L != rNames[j].ColName.L { continue diff --git a/planner/core/testdata/point_get_plan_out.json b/planner/core/testdata/point_get_plan_out.json index 56ae32459f5db..69a619da76068 100644 --- a/planner/core/testdata/point_get_plan_out.json +++ b/planner/core/testdata/point_get_plan_out.json @@ -87,14 +87,14 @@ "Plan": [ "Point_Get_1 1.00 root table:t1, clustered index:PRIMARY(id) " ], - "Res": [] + "Res": null }, { "SQL": "select * from t1 where id = b'00'", "Plan": [ "Point_Get_1 1.00 root table:t1, clustered index:PRIMARY(id) " ], - "Res": [] + "Res": null }, { "SQL": "select * from t1 where id = 0.0", @@ -145,8 +145,8 @@ "SQL": "select * from t2 where id in (0, 1)", "Plan": [ "IndexReader_10 9600.00 root index:Selection_9", - "└─Selection_9 9600.00 cop[tikv] or(eq(cast(test.t2.id), 0), eq(cast(test.t2.id), 1))", - " └─IndexFullScan_8 10000.00 cop[tikv] table:t2, index:id(id) keep order:false, stats:pseudo" + "└─Selection_9 9600.00 cop[tikv] or(eq(cast(test.t2.id), 0), eq(cast(test.t2.id), 1))", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t2, index:id(id) keep order:false, stats:pseudo" ], "Res": [ "1asdf", @@ -196,7 +196,7 @@ "└─TableReader_7 10000.00 root data:TableFullScan_6", " └─TableFullScan_6 10000.00 cop[tikv] table:t5 keep order:false, stats:pseudo" ], - "Res": [] + "Res": null } ] } From 33b7f634f6ee3b2ef6674b92b3f9eaf143f02ba7 Mon Sep 17 00:00:00 2001 From: tiancaiamao Date: Wed, 2 Dec 2020 12:41:18 +0800 Subject: [PATCH 0350/1021] session: fix a DATA RACE to make the CI more stable (#21421) --- session/session.go | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/session/session.go b/session/session.go index 86158a7e93f75..bca8ef4076b79 100644 --- a/session/session.go +++ b/session/session.go @@ -2014,23 +2014,27 @@ func BootstrapSession(store kv.Storage) (*domain.Domain, error) { } } - err = executor.LoadExprPushdownBlacklist(se) + se4, err := createSession(store) + if err != nil { + return nil, err + } + err = executor.LoadExprPushdownBlacklist(se4) if err != nil { return nil, err } - err = executor.LoadOptRuleBlacklist(se) + err = executor.LoadOptRuleBlacklist(se4) if err != nil { return nil, err } - dom.TelemetryLoop(se) + dom.TelemetryLoop(se4) - se1, err := createSession(store) + se5, err := createSession(store) if err != nil { return nil, err } - err = dom.UpdateTableStatsLoop(se1) + err = dom.UpdateTableStatsLoop(se5) if err != nil { return nil, err } From f0370c96d665cc67e852e27ae2d3bc9caf57ddc4 Mon Sep 17 00:00:00 2001 From: baishen Date: Tue, 1 Dec 2020 22:56:18 -0600 Subject: [PATCH 0351/1021] config: Add index limit configuration (#21192) --- config/config.go | 9 +++++++++ config/config.toml.example | 3 +++ config/config_test.go | 14 ++++++++++++++ ddl/ddl_api.go | 4 ++-- 4 files changed, 28 insertions(+), 2 deletions(-) diff --git a/config/config.go b/config/config.go index e31fa2a59d0f7..50e3596fdc29a 100644 --- a/config/config.go +++ b/config/config.go @@ -51,6 +51,10 @@ const ( DefMaxIndexLength = 3072 // DefMaxOfMaxIndexLength is the maximum index length(in bytes) for TiDB v3.0.7 and previous version. DefMaxOfMaxIndexLength = 3072 * 4 + // DefIndexLimit is the limitation of index on a single table. This value is consistent with MySQL. + DefIndexLimit = 64 + // DefMaxOfIndexLimit is the maximum limitation of index on a single table for TiDB. + DefMaxOfIndexLimit = 64 * 8 // DefMinQuotaStatistics is the minimum statistic memory quota(in bytes). DefMinQuotaStatistics = 32 << 30 // DefPort is the default port of TiDB @@ -124,6 +128,7 @@ type Config struct { PessimisticTxn PessimisticTxn `toml:"pessimistic-txn" json:"pessimistic-txn"` CheckMb4ValueInUTF8 bool `toml:"check-mb4-value-in-utf8" json:"check-mb4-value-in-utf8"` MaxIndexLength int `toml:"max-index-length" json:"max-index-length"` + IndexLimit int `toml:"index-limit" json:"index-limit"` GracefulWaitBeforeShutdown int `toml:"graceful-wait-before-shutdown" json:"graceful-wait-before-shutdown"` // AlterPrimaryKey is used to control alter primary key feature. AlterPrimaryKey bool `toml:"alter-primary-key" json:"alter-primary-key"` @@ -636,6 +641,7 @@ var defaultConf = Config{ EnableBatchDML: false, CheckMb4ValueInUTF8: true, MaxIndexLength: 3072, + IndexLimit: 64, AlterPrimaryKey: false, TreatOldVersionUTF8AsUTF8MB4: true, EnableTableLock: false, @@ -933,6 +939,9 @@ func (c *Config) Valid() error { if c.MaxIndexLength < DefMaxIndexLength || c.MaxIndexLength > DefMaxOfMaxIndexLength { return fmt.Errorf("max-index-length should be [%d, %d]", DefMaxIndexLength, DefMaxOfMaxIndexLength) } + if c.IndexLimit < DefIndexLimit || c.IndexLimit > DefMaxOfIndexLimit { + return fmt.Errorf("index-limit should be [%d, %d]", DefIndexLimit, DefMaxOfIndexLimit) + } if c.Log.File.MaxSize > MaxLogFileSize { return fmt.Errorf("invalid max log file size=%v which is larger than max=%v", c.Log.File.MaxSize, MaxLogFileSize) } diff --git a/config/config.toml.example b/config/config.toml.example index 95f40fe6df546..ee4dc70d2e142 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -77,6 +77,9 @@ treat-old-version-utf8-as-utf8mb4 = true # max-index-length is used to deal with compatibility issues from v3.0.7 and previous version upgrades. It can only be in [3072, 3072*4]. max-index-length = 3072 +# index-limit is used to deal with compatibility issues. It can only be in [64, 64*8]. +index-limit = 64 + # enable-table-lock is used to control table lock feature. Default is false, indicate the table lock feature is disabled. enable-table-lock = false diff --git a/config/config_test.go b/config/config_test.go index 58a3652c9340d..425bd348e7133 100644 --- a/config/config_test.go +++ b/config/config_test.go @@ -191,6 +191,7 @@ mem-quota-query = 10000 mem-quota-statistics = 10000 nested-loop-join-cache-capacity = 100 max-index-length = 3080 +index-limit = 70 skip-register-to-dashboard = true deprecate-integer-display-length = true txn-scope = "dc-1" @@ -263,6 +264,7 @@ spilled-file-encryption-method = "plaintext" c.Assert(conf.NestedLoopJoinCacheCapacity, Equals, int64(100)) c.Assert(conf.IsolationRead.Engines, DeepEquals, []string{"tiflash"}) c.Assert(conf.MaxIndexLength, Equals, 3080) + c.Assert(conf.IndexLimit, Equals, 70) c.Assert(conf.SkipRegisterToDashboard, Equals, true) c.Assert(len(conf.Labels), Equals, 2) c.Assert(conf.Labels["foo"], Equals, "bar") @@ -472,6 +474,18 @@ func (s *testConfigSuite) TestMaxIndexLength(c *C) { checkValid(DefMaxOfMaxIndexLength+1, false) } +func (s *testConfigSuite) TestIndexLimit(c *C) { + conf := NewConfig() + checkValid := func(indexLimit int, shouldBeValid bool) { + conf.IndexLimit = indexLimit + c.Assert(conf.Valid() == nil, Equals, shouldBeValid) + } + checkValid(DefIndexLimit, true) + checkValid(DefIndexLimit-1, false) + checkValid(DefMaxOfIndexLimit, true) + checkValid(DefMaxOfIndexLimit+1, false) +} + func (s *testConfigSuite) TestParsePath(c *C) { etcdAddrs, disableGC, err := ParsePath("tikv://node1:2379,node2:2379") c.Assert(err, IsNil) diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index c0fae539c4886..d48f49b2f3346 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -1090,8 +1090,8 @@ func checkTooManyColumns(colDefs []*model.ColumnInfo) error { } func checkTooManyIndexes(idxDefs []*model.IndexInfo) error { - if uint32(len(idxDefs)) > atomic.LoadUint32(&TableIndexCountLimit) { - return errTooManyKeys.GenWithStackByArgs(TableIndexCountLimit) + if len(idxDefs) > config.GetGlobalConfig().IndexLimit { + return errTooManyKeys.GenWithStackByArgs(config.GetGlobalConfig().IndexLimit) } return nil } From a57d2bca4c09ec0d5c4f87c26ec142289872a53c Mon Sep 17 00:00:00 2001 From: crazycs Date: Wed, 2 Dec 2020 15:14:48 +0800 Subject: [PATCH 0352/1021] *: fix tidb_server_conn_idle_duration_seconds prometheus expression in grafana json file (#21396) Signed-off-by: crazycs520 --- metrics/grafana/tidb.json | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/metrics/grafana/tidb.json b/metrics/grafana/tidb.json index 6fbe99200ca3f..9e5f74c037c48 100644 --- a/metrics/grafana/tidb.json +++ b/metrics/grafana/tidb.json @@ -734,7 +734,7 @@ "steppedLine": false, "targets": [ { - "expr": "histogram_quantile(0.99, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='1'}[1m])) by (le,in_txn,instance))", + "expr": "histogram_quantile(0.99, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='1'}[1m])) by (le,in_txn))", "format": "time_series", "interval": "", "intervalFactor": 2, @@ -742,7 +742,7 @@ "refId": "A" }, { - "expr": "histogram_quantile(0.99, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='0'}[1m])) by (le,in_txn,instance))", + "expr": "histogram_quantile(0.99, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='0'}[1m])) by (le,in_txn))", "format": "time_series", "interval": "", "intervalFactor": 2, @@ -750,7 +750,7 @@ "refId": "B" }, { - "expr": "histogram_quantile(0.90, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='1'}[1m])) by (le,in_txn,instance))", + "expr": "histogram_quantile(0.90, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='1'}[1m])) by (le,in_txn))", "format": "time_series", "interval": "", "intervalFactor": 2, @@ -758,7 +758,7 @@ "refId": "C" }, { - "expr": "histogram_quantile(0.90, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='0'}[1m])) by (le,in_txn,instance))", + "expr": "histogram_quantile(0.90, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='0'}[1m])) by (le,in_txn))", "format": "time_series", "interval": "", "intervalFactor": 2, @@ -766,7 +766,7 @@ "refId": "D" }, { - "expr": "histogram_quantile(0.80, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='1'}[1m])) by (le,in_txn,instance))", + "expr": "histogram_quantile(0.80, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='1'}[1m])) by (le,in_txn))", "format": "time_series", "interval": "", "intervalFactor": 2, @@ -774,7 +774,7 @@ "refId": "E" }, { - "expr": "histogram_quantile(0.80, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='0'}[1m])) by (le,in_txn,instance))", + "expr": "histogram_quantile(0.80, sum(rate(tidb_server_conn_idle_duration_seconds_bucket{in_txn='0'}[1m])) by (le,in_txn))", "format": "time_series", "interval": "", "intervalFactor": 2, From 6fb60a32725b89eb6eb30ec5852c86f95f7bd101 Mon Sep 17 00:00:00 2001 From: crazycs Date: Wed, 2 Dec 2020 15:21:08 +0800 Subject: [PATCH 0353/1021] ddl: fix create list partition bug and add more test (#21398) --- ddl/db_partition_test.go | 148 ++++++++++++++++++++++++++++++++++ ddl/ddl_api.go | 27 ++----- ddl/partition.go | 5 +- executor/executor.go | 1 + sessionctx/stmtctx/stmtctx.go | 5 +- 5 files changed, 162 insertions(+), 24 deletions(-) diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index eccd809daea90..20a37e0517860 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -558,6 +558,30 @@ func (s *testIntegrationSuite1) TestCreateTableWithListPartition(c *C) { "create table t (id decimal) partition by list (id) (partition p0 values in ('2019-01-09 11:23:34'));", ddl.ErrNotAllowedTypeInPartition, }, + { + "create table t (id float) partition by list (id) (partition p0 values in (1));", + ddl.ErrNotAllowedTypeInPartition, + }, + { + "create table t (id double) partition by list (id) (partition p0 values in (1));", + ddl.ErrNotAllowedTypeInPartition, + }, + { + "create table t (id text) partition by list (id) (partition p0 values in ('abc'));", + ddl.ErrNotAllowedTypeInPartition, + }, + { + "create table t (id blob) partition by list (id) (partition p0 values in ('abc'));", + ddl.ErrNotAllowedTypeInPartition, + }, + { + "create table t (id enum('a','b')) partition by list (id) (partition p0 values in ('a'));", + ddl.ErrNotAllowedTypeInPartition, + }, + { + "create table t (id set('a','b')) partition by list (id) (partition p0 values in ('a'));", + ddl.ErrNotAllowedTypeInPartition, + }, { "create table t (a int) partition by list (a) (partition p0 values in (1), partition p0 values in (2));", ddl.ErrSameNamePartition, @@ -566,6 +590,14 @@ func (s *testIntegrationSuite1) TestCreateTableWithListPartition(c *C) { "create table t (a int) partition by list (a) (partition p0 values in (1), partition P0 values in (2));", ddl.ErrSameNamePartition, }, + { + "create table t (id bigint) partition by list (cast(id as unsigned)) (partition p0 values in (1))", + ddl.ErrPartitionFunctionIsNotAllowed, + }, + { + "create table t (id float) partition by list (ceiling(id)) (partition p0 values in (1))", + ddl.ErrPartitionFuncNotAllowed, + }, { "create table t(b char(10)) partition by range columns (b) (partition p1 values less than ('G' collate utf8mb4_unicode_ci));", ddl.ErrPartitionFunctionIsNotAllowed, @@ -606,6 +638,9 @@ func (s *testIntegrationSuite1) TestCreateTableWithListPartition(c *C) { validCases := []string{ "create table t (a int) partition by list (a) (partition p0 values in (1));", + "create table t (a bigint unsigned) partition by list (a) (partition p0 values in (18446744073709551615));", + "create table t (a bigint unsigned) partition by list (a) (partition p0 values in (18446744073709551615 - 1));", + "create table t (a int) partition by list (a) (partition p0 values in (1,null));", "create table t (a int) partition by list (a) (partition p0 values in (1), partition p1 values in (2));", `create table t (id int, name varchar(10), age int) partition by list (id) ( partition p0 values in (3,5,6,9,17), @@ -613,8 +648,12 @@ func (s *testIntegrationSuite1) TestCreateTableWithListPartition(c *C) { partition p2 values in (4,12,13,-14,18), partition p3 values in (7,8,15,+16) );`, + "create table t (id year) partition by list (id) (partition p0 values in (2000));", + "create table t (a tinyint) partition by list (a) (partition p0 values in (65536));", + "create table t (a tinyint) partition by list (a*100) (partition p0 values in (65536));", "create table t (a bigint) partition by list (a) (partition p0 values in (to_seconds('2020-09-28 17:03:38'),to_seconds('2020-09-28 17:03:39')));", "create table t (a datetime) partition by list (to_seconds(a)) (partition p0 values in (to_seconds('2020-09-28 17:03:38'),to_seconds('2020-09-28 17:03:39')));", + "create table t (a int, b int generated always as (a+1) virtual) partition by list (b + 1) (partition p0 values in (1));", } for _, sql := range validCases { @@ -654,6 +693,58 @@ func (s *testIntegrationSuite1) TestCreateTableWithListColumnsPartition(c *C) { "create table t (id decimal) partition by list columns (id) (partition p0 values in ('2019-01-09 11:23:34'));", ddl.ErrNotAllowedTypeInPartition, }, + { + "create table t (id year) partition by list columns (id) (partition p0 values in (2000));", + ddl.ErrNotAllowedTypeInPartition, + }, + { + "create table t (id float) partition by list columns (id) (partition p0 values in (1));", + ddl.ErrNotAllowedTypeInPartition, + }, + { + "create table t (id double) partition by list columns (id) (partition p0 values in (1));", + ddl.ErrNotAllowedTypeInPartition, + }, + { + "create table t (id text) partition by list columns (id) (partition p0 values in ('abc'));", + ddl.ErrNotAllowedTypeInPartition, + }, + { + "create table t (id blob) partition by list columns (id) (partition p0 values in ('abc'));", + ddl.ErrNotAllowedTypeInPartition, + }, + { + "create table t (id enum('a','b')) partition by list columns (id) (partition p0 values in ('a'));", + ddl.ErrNotAllowedTypeInPartition, + }, + { + "create table t (id set('a','b')) partition by list columns (id) (partition p0 values in ('a'));", + ddl.ErrNotAllowedTypeInPartition, + }, + { + "create table t (a varchar(2)) partition by list columns (a) (partition p0 values in ('abc'));", + ddl.ErrWrongTypeColumnValue, + }, + { + "create table t (a tinyint) partition by list columns (a) (partition p0 values in (65536));", + ddl.ErrWrongTypeColumnValue, + }, + { + "create table t (a bigint) partition by list columns (a) (partition p0 values in (18446744073709551615));", + ddl.ErrWrongTypeColumnValue, + }, + { + "create table t (a bigint unsigned) partition by list columns (a) (partition p0 values in (-1));", + ddl.ErrWrongTypeColumnValue, + }, + { + "create table t (a char) partition by list columns (a) (partition p0 values in ('abc'));", + ddl.ErrWrongTypeColumnValue, + }, + { + "create table t (a datetime) partition by list columns (a) (partition p0 values in ('2020-11-31 12:00:00'));", + ddl.ErrWrongTypeColumnValue, + }, { "create table t (a int) partition by list columns (a) (partition p0 values in (1), partition p0 values in (2));", ddl.ErrSameNamePartition, @@ -734,6 +825,9 @@ func (s *testIntegrationSuite1) TestCreateTableWithListColumnsPartition(c *C) { validCases := []string{ "create table t (a int) partition by list columns (a) (partition p0 values in (1));", + "create table t (a bigint unsigned) partition by list columns (a) (partition p0 values in (18446744073709551615));", + "create table t (a bigint unsigned) partition by list columns (a) (partition p0 values in (18446744073709551615 - 1));", + "create table t (a int) partition by list columns (a) (partition p0 values in (1,null));", "create table t (a int) partition by list columns (a) (partition p0 values in (1), partition p1 values in (2));", `create table t (id int, name varchar(10), age int) partition by list columns (id) ( partition p0 values in (3,5,6,9,17), @@ -745,6 +839,13 @@ func (s *testIntegrationSuite1) TestCreateTableWithListColumnsPartition(c *C) { "create table t (a date) partition by list columns (a) (partition p0 values in ('2020-09-28','2020-09-29'));", "create table t (a bigint, b date) partition by list columns (a,b) (partition p0 values in ((1,'2020-09-28'),(1,'2020-09-29')));", "create table t (a bigint) partition by list columns (a) (partition p0 values in (to_seconds('2020-09-28 17:03:38'),to_seconds('2020-09-28 17:03:39')));", + "create table t (a varchar(10)) partition by list columns (a) (partition p0 values in ('abc'));", + "create table t (a char) partition by list columns (a) (partition p0 values in ('a'));", + "create table t (a bool) partition by list columns (a) (partition p0 values in (1));", + "create table t (c1 bool, c2 tinyint, c3 int, c4 bigint, c5 datetime, c6 date,c7 varchar(10), c8 char) " + + "partition by list columns (c1,c2,c3,c4,c5,c6,c7,c8) (" + + "partition p0 values in ((1,2,3,4,'2020-11-30 00:00:01', '2020-11-30','abc','a')));", + "create table t (a int, b int generated always as (a+1) virtual) partition by list columns (b) (partition p0 values in (1));", } for _, sql := range validCases { @@ -820,6 +921,53 @@ func (s *testIntegrationSuite5) TestAlterTableAddPartitionByList(c *C) { i, t.sql, t.err, err, )) } + + errorCases2 := []struct { + create string + alter string + err *terror.Error + }{ + { + "create table t (a bigint unsigned) partition by list columns (a) (partition p0 values in (1));", + "alter table t add partition (partition p1 values in (-1))", + ddl.ErrWrongTypeColumnValue, + }, + { + "create table t (a varchar(2)) partition by list columns (a) (partition p0 values in ('a','b'));", + "alter table t add partition (partition p1 values in ('abc'))", + ddl.ErrWrongTypeColumnValue, + }, + { + "create table t (a tinyint) partition by list columns (a) (partition p0 values in (1,2,3));", + "alter table t add partition (partition p1 values in (65536))", + ddl.ErrWrongTypeColumnValue, + }, + { + "create table t (a bigint) partition by list columns (a) (partition p0 values in (1,2,3));", + "alter table t add partition (partition p1 values in (18446744073709551615))", + ddl.ErrWrongTypeColumnValue, + }, + { + "create table t (a char) partition by list columns (a) (partition p0 values in ('a','b'));", + "alter table t add partition (partition p1 values in ('abc'))", + ddl.ErrWrongTypeColumnValue, + }, + { + "create table t (a datetime) partition by list columns (a) (partition p0 values in ('2020-11-30 12:00:00'));", + "alter table t add partition (partition p1 values in ('2020-11-31 12:00:00'))", + ddl.ErrWrongTypeColumnValue, + }, + } + + for i, t := range errorCases2 { + tk.MustExec("drop table if exists t;") + tk.MustExec(t.create) + _, err := tk.Exec(t.alter) + c.Assert(t.err.Equal(err), IsTrue, Commentf( + "case %d fail, sql = `%s`\nexpected error = `%v`\n actual error = `%v`", + i, t.alter, t.err, err, + )) + } } func (s *testIntegrationSuite5) TestAlterTableAddPartitionByListColumns(c *C) { diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index d48f49b2f3346..5d2ca1288a8da 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -1961,29 +1961,12 @@ func checkPartitionByRange(ctx sessionctx.Context, tbInfo *model.TableInfo) erro return checkRangePartitionValue(ctx, tbInfo) } - // Check for range columns partition. - if err := checkColumnsPartitionType(tbInfo); err != nil { - return err - } - return checkRangeColumnsPartitionValue(ctx, tbInfo) } // checkPartitionByList checks validity of a "BY LIST" partition. func checkPartitionByList(ctx sessionctx.Context, tbInfo *model.TableInfo) error { - pi := tbInfo.Partition - - if err := checkListPartitionValue(ctx, tbInfo); err != nil { - return err - } - - if len(pi.Columns) != 0 { - if err := checkColumnsPartitionType(tbInfo); err != nil { - return err - } - } - - return nil + return checkListPartitionValue(ctx, tbInfo) } func checkColumnsPartitionType(tbInfo *model.TableInfo) error { @@ -5202,9 +5185,7 @@ func checkColumnsTypeAndValuesMatch(ctx sessionctx.Context, meta *model.TableInf case mysql.TypeDate, mysql.TypeDatetime, mysql.TypeDuration: switch vkind { case types.KindString, types.KindBytes: - if _, err := val.ConvertTo(ctx.GetSessionVars().StmtCtx, colType); err != nil { - return ErrWrongTypeColumnValue.GenWithStackByArgs() - } + break default: return ErrWrongTypeColumnValue.GenWithStackByArgs() } @@ -5227,6 +5208,10 @@ func checkColumnsTypeAndValuesMatch(ctx sessionctx.Context, meta *model.TableInf return ErrWrongTypeColumnValue.GenWithStackByArgs() } } + _, err = val.ConvertTo(ctx.GetSessionVars().StmtCtx, colType) + if err != nil { + return ErrWrongTypeColumnValue.GenWithStackByArgs() + } } return nil } diff --git a/ddl/partition.go b/ddl/partition.go index 636f3a9e438b6..6254fbb0c25ae 100644 --- a/ddl/partition.go +++ b/ddl/partition.go @@ -319,6 +319,7 @@ func buildTablePartitionInfo(ctx sessionctx.Context, s *ast.PartitionOptions, tb Enable: enable, Num: s.Num, } + tbInfo.Partition = pi if s.Expr != nil { if err := checkPartitionFuncValid(ctx, tbInfo, s.Expr); err != nil { return errors.Trace(err) @@ -334,9 +335,11 @@ func buildTablePartitionInfo(ctx sessionctx.Context, s *ast.PartitionOptions, tb for _, cn := range s.ColumnNames { pi.Columns = append(pi.Columns, cn.Name) } + if err := checkColumnsPartitionType(tbInfo); err != nil { + return err + } } - tbInfo.Partition = pi defs, err := buildPartitionDefinitionsInfo(ctx, s.Definitions, tbInfo) if err != nil { return errors.Trace(err) diff --git a/executor/executor.go b/executor/executor.go index fe9cc2ff4e6bf..706348f80ecb5 100644 --- a/executor/executor.go +++ b/executor/executor.go @@ -1642,6 +1642,7 @@ func ResetContextOfStmt(ctx sessionctx.Context, s ast.StmtNode) (err error) { sc.Priority = stmt.Priority case *ast.CreateTableStmt, *ast.AlterTableStmt: // Make sure the sql_mode is strict when checking column default value. + sc.InCreateOrAlterStmt = true case *ast.LoadDataStmt: sc.DupKeyAsWarning = true sc.BadNullAsWarning = true diff --git a/sessionctx/stmtctx/stmtctx.go b/sessionctx/stmtctx/stmtctx.go index 10d153c0c911b..d0c5ae169e35b 100644 --- a/sessionctx/stmtctx/stmtctx.go +++ b/sessionctx/stmtctx/stmtctx.go @@ -67,6 +67,7 @@ type StatementContext struct { InSelectStmt bool InLoadDataStmt bool InExplainStmt bool + InCreateOrAlterStmt bool IgnoreTruncate bool IgnoreZeroInDate bool DupKeyAsWarning bool @@ -557,12 +558,12 @@ func (sc *StatementContext) GetExecDetails() execdetails.ExecDetails { } // ShouldClipToZero indicates whether values less than 0 should be clipped to 0 for unsigned integer types. -// This is the case for `insert`, `update`, `alter table` and `load data infile` statements, when not in strict SQL mode. +// This is the case for `insert`, `update`, `alter table`, `create table` and `load data infile` statements, when not in strict SQL mode. // see https://dev.mysql.com/doc/refman/5.7/en/out-of-range-and-overflow.html func (sc *StatementContext) ShouldClipToZero() bool { // TODO: Currently altering column of integer to unsigned integer is not supported. // If it is supported one day, that case should be added here. - return sc.InInsertStmt || sc.InLoadDataStmt || sc.InUpdateStmt + return sc.InInsertStmt || sc.InLoadDataStmt || sc.InUpdateStmt || sc.InCreateOrAlterStmt } // ShouldIgnoreOverflowError indicates whether we should ignore the error when type conversion overflows, From d9be31c5bfdcf1034e928d39c05b8483c92bbfff Mon Sep 17 00:00:00 2001 From: tiancaiamao Date: Wed, 2 Dec 2020 16:33:45 +0800 Subject: [PATCH 0354/1021] expression: make TestNowAndUTCTimestamp more stable (#21410) --- expression/builtin_time_test.go | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/expression/builtin_time_test.go b/expression/builtin_time_test.go index 8725bee7d50d5..27de4e1cf9d5b 100644 --- a/expression/builtin_time_test.go +++ b/expression/builtin_time_test.go @@ -838,7 +838,7 @@ func (s *testEvaluatorSuite) TestNowAndUTCTimestamp(c *C) { // we canot use a constant value to check timestamp funcs, so here // just to check the fractional seconds part and the time delta. c.Assert(strings.Contains(t.String(), "."), IsFalse) - c.Assert(ts.Sub(gotime(t, ts.Location())), LessEqual, time.Second) + c.Assert(ts.Sub(gotime(t, ts.Location())), LessEqual, 3*time.Second) f, err = x.fc.getFunction(s.ctx, s.datumsToConstants(types.MakeDatums(6))) c.Assert(err, IsNil) @@ -848,7 +848,7 @@ func (s *testEvaluatorSuite) TestNowAndUTCTimestamp(c *C) { c.Assert(err, IsNil) t = v.GetMysqlTime() c.Assert(strings.Contains(t.String(), "."), IsTrue) - c.Assert(ts.Sub(gotime(t, ts.Location())), LessEqual, time.Second) + c.Assert(ts.Sub(gotime(t, ts.Location())), LessEqual, 3*time.Second) resetStmtContext(s.ctx) f, err = x.fc.getFunction(s.ctx, s.datumsToConstants(types.MakeDatums(8))) From 554bae75f0a231bf18f71c8b1dd4e6c569936e2f Mon Sep 17 00:00:00 2001 From: miamiaoxyz <1214277053@qq.com> Date: Wed, 2 Dec 2020 17:18:42 +0800 Subject: [PATCH 0355/1021] statistics: introduce an interface for StatsCache (#20091) --- go.sum | 1 + statistics/handle/bootstrap.go | 2 +- statistics/handle/handle.go | 23 +++-- statistics/handle/handle_test.go | 1 - statistics/handle/statscache.go | 126 +++++++++++++++++++-------- statistics/handle/statscache_test.go | 6 +- 6 files changed, 101 insertions(+), 58 deletions(-) diff --git a/go.sum b/go.sum index 9dc45def80977..e91086cb9da87 100644 --- a/go.sum +++ b/go.sum @@ -624,6 +624,7 @@ github.com/pborman/getopt v0.0.0-20180729010549-6fdd0a2c7117/go.mod h1:85jBQOZwp github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic= github.com/pelletier/go-toml v1.3.0/go.mod h1:PN7xzY2wHTK0K9p34ErDQMlFxa51Fk0OUruD3k1mMwo= github.com/peterh/liner v1.0.1-0.20180619022028-8c1271fcf47f/go.mod h1:xIteQHvHuaLYG9IFj6mSxM0fCKrs34IrEQUhOYuGPHc= +github.com/petermattis/goid v0.0.0-20180202154549-b0b1615b78e5 h1:q2e307iGHPdTGp0hoxKjt1H5pDo6utceo3dQVK3I5XQ= github.com/petermattis/goid v0.0.0-20180202154549-b0b1615b78e5/go.mod h1:jvVRKCrJTQWu0XVbaOlby/2lO20uSCHEMzzplHXte1o= github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2 h1:JhzVVoYvbOACxoUmOs6V/G4D5nPVUW73rKvXxP4XUJc= github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2/go.mod h1:iIss55rKnNBTvrwdmkUpLnDpZoAHvWaiq5+iMmen4AE= diff --git a/statistics/handle/bootstrap.go b/statistics/handle/bootstrap.go index b264a49a1e029..82126c38c9628 100644 --- a/statistics/handle/bootstrap.go +++ b/statistics/handle/bootstrap.go @@ -481,7 +481,7 @@ func (h *Handle) InitStats(is infoschema.InfoSchema) (err error) { if err != nil { return errors.Trace(err) } - h.statsCache.initStatsCache(tables, version) + h.statsCache.InitStatsCache(tables, version) return nil } diff --git a/statistics/handle/handle.go b/statistics/handle/handle.go index 7563a4bc37996..fc681bf7a88f7 100644 --- a/statistics/handle/handle.go +++ b/statistics/handle/handle.go @@ -59,7 +59,7 @@ type Handle struct { // It can be read by multiple readers at the same time without acquiring lock, but it can be // written only after acquiring the lock. - statsCache *statsCache + statsCache StatsCache restrictedExec sqlexec.RestrictedSQLExecutor @@ -112,10 +112,14 @@ func NewHandle(ctx sessionctx.Context, lease time.Duration) (*Handle, error) { if exec, ok := ctx.(sqlexec.RestrictedSQLExecutor); ok { handle.restrictedExec = exec } - handle.statsCache = newStatsCache(ctx.GetSessionVars().MemQuotaStatistics) + var err error + handle.statsCache, err = newStatsCacheWithMemCap(ctx.GetSessionVars().MemQuotaStatistics, defaultStatsCacheType) + if err != nil { + return nil, err + } handle.mu.ctx = ctx handle.mu.rateMap = make(errorRateDeltaMap) - err := handle.RefreshVars() + err = handle.RefreshVars() if err != nil { return nil, err } @@ -232,17 +236,14 @@ func buildPartitionID2TableID(is infoschema.InfoSchema) map[int64]int64 { // GetMemConsumed returns the mem size of statscache consumed func (h *Handle) GetMemConsumed() (size int64) { - h.statsCache.mu.Lock() - size = h.statsCache.memTracker.BytesConsumed() - h.statsCache.mu.Unlock() - return + return h.statsCache.BytesConsumed() } // EraseTable4Test erase a table by ID and add new empty (with Meta) table. // ONLY used for test. func (h *Handle) EraseTable4Test(ID int64) { table, _ := h.statsCache.Lookup(ID) - h.statsCache.Insert(table.CopyWithoutBucketsAndCMS()) + h.statsCache.Update([]*statistics.Table{table.CopyWithoutBucketsAndCMS()}, nil, h.statsCache.GetVersion()) } // GetAllTableStatsMemUsage4Test get all the mem usage with true table. @@ -276,10 +277,7 @@ func (h *Handle) GetPartitionStats(tblInfo *model.TableInfo, pid int64) *statist // SetBytesLimit4Test sets the bytes limit for this tracker. "bytesLimit <= 0" means no limit. // Only used for test. func (h *Handle) SetBytesLimit4Test(bytesLimit int64) { - h.statsCache.mu.Lock() - h.statsCache.memTracker.SetBytesLimit(bytesLimit) - h.statsCache.memCapacity = bytesLimit - h.statsCache.mu.Unlock() + h.statsCache.SetBytesLimit(bytesLimit) } // CanRuntimePrune indicates whether tbl support runtime prune for table and first partition id. @@ -964,7 +962,6 @@ func (h *Handle) ReloadExtendedStatistics() error { tables := make([]*statistics.Table, 0, len(allTables)) for _, tbl := range allTables { t, err := h.extendedStatsFromStorage(reader, tbl.Copy(), tbl.PhysicalID, true) - if err != nil { return err } diff --git a/statistics/handle/handle_test.go b/statistics/handle/handle_test.go index 88f090d99dc01..acbc32d1ddce4 100644 --- a/statistics/handle/handle_test.go +++ b/statistics/handle/handle_test.go @@ -134,7 +134,6 @@ func (s *testStatsSuite) TestStatsCacheMemTracker(c *C) { testKit.MustExec("analyze table t") statsTbl = do.StatsHandle().GetTableStats(tableInfo) - c.Assert(statsTbl.Pseudo, IsFalse) // If the new schema drop a column, the table stats can still work. diff --git a/statistics/handle/statscache.go b/statistics/handle/statscache.go index 38dd17038034b..932bdc4b2efde 100644 --- a/statistics/handle/statscache.go +++ b/statistics/handle/statscache.go @@ -15,6 +15,7 @@ package handle import ( "encoding/binary" + "errors" "sync" "github.com/pingcap/tidb/statistics" @@ -22,8 +23,40 @@ import ( "github.com/pingcap/tidb/util/memory" ) -// statsCache caches table statistics. -type statsCache struct { +// StatsCache is an interface for the collection of statistics. +type StatsCache interface { + Lookup(id int64) (*statistics.Table, bool) + Update(tables []*statistics.Table, deletedIDs []int64, newVersion uint64) + GetVersion() uint64 + InitStatsCache(tables map[int64]*statistics.Table, version uint64) + GetAll() []*statistics.Table + + // Interface below are used only for test. + Clear() + GetBytesLimit() int64 + SetBytesLimit(bytesLimit int64) + BytesConsumed() int64 +} + +type statsCacheType int8 + +const ( + simpleLRUCache statsCacheType = iota +) + +var defaultStatsCacheType = simpleLRUCache + +// newStatsCacheWithMemCap returns a new stats cache with memory capacity. +func newStatsCacheWithMemCap(memoryCapacity int64, tp statsCacheType) (StatsCache, error) { + switch tp { + case simpleLRUCache: + return newSimpleLRUStatsCache(memoryCapacity), nil + } + return nil, errors.New("wrong statsCache type") +} + +// simpleLRUStatsCache uses the simpleLRUCache to store the cache of statistics. +type simpleLRUStatsCache struct { mu sync.Mutex cache *kvcache.SimpleLRUCache memCapacity int64 @@ -39,47 +72,35 @@ func (key statsCacheKey) Hash() []byte { return buf } -// newStatsCache returns a new statsCache with capacity maxMemoryLimit. -func newStatsCache(memoryLimit int64) *statsCache { - // Since newStatsCache controls the memory usage by itself, set the capacity of +func newSimpleLRUStatsCache(memoryCapacity int64) *simpleLRUStatsCache { + // since stats cache controls the memory usage by itself, set the capacity of // the underlying LRUCache to max to close its memory control - cache := kvcache.NewSimpleLRUCache(uint(memoryLimit), 0.1, 0) - c := statsCache{ + cache := kvcache.NewSimpleLRUCache(uint(memoryCapacity), 0.1, 0) + c := simpleLRUStatsCache{ cache: cache, - memCapacity: memoryLimit, - memTracker: memory.NewTracker(memory.LabelForStatsCache, -1), + memCapacity: memoryCapacity, + memTracker: memory.NewTracker(memory.LabelForStatsCache, memoryCapacity), } return &c } -// Clear clears the statsCache. -func (sc *statsCache) Clear() { - // Since newStatsCache controls the memory usage by itself, set the capacity of - // the underlying LRUCache to max to close its memory control +// SetBytesLimit sets the bytes limit for this tracker. +func (sc *simpleLRUStatsCache) SetBytesLimit(BytesLimit int64) { sc.mu.Lock() defer sc.mu.Unlock() - cache := kvcache.NewSimpleLRUCache(uint(sc.memCapacity), 0.1, 0) - sc.memTracker.ReplaceBytesUsed(0) - sc.cache = cache - sc.version = 0 + sc.memTracker.SetBytesLimit(BytesLimit) + sc.memCapacity = BytesLimit } -// GetAll get all the tables point. -func (sc *statsCache) GetAll() []*statistics.Table { +// BytesConsumed returns the consumed memory usage value in bytes. +func (sc *simpleLRUStatsCache) BytesConsumed() int64 { sc.mu.Lock() defer sc.mu.Unlock() - values := sc.cache.GetAll() - tables := make([]*statistics.Table, 0) - for _, v := range values { - if t, ok := v.(*statistics.Table); ok && t != nil { - tables = append(tables, t) - } - } - return tables + return sc.memTracker.BytesConsumed() } // lookupUnsafe get table with id without Lock. -func (sc *statsCache) lookupUnsafe(id int64) (*statistics.Table, bool) { +func (sc *simpleLRUStatsCache) lookupUnsafe(id int64) (*statistics.Table, bool) { var key = statsCacheKey(id) value, hit := sc.cache.Get(key) if !hit { @@ -89,8 +110,17 @@ func (sc *statsCache) lookupUnsafe(id int64) (*statistics.Table, bool) { return table, true } +// Clear clears the cache +func (sc *simpleLRUStatsCache) Clear() { + sc.mu.Lock() + defer sc.mu.Unlock() + sc.version = 0 + sc.cache.DeleteAll() + sc.memTracker = memory.NewTracker(memory.LabelForStatsCache, sc.memCapacity) +} + // Lookup get table with id. -func (sc *statsCache) Lookup(id int64) (*statistics.Table, bool) { +func (sc *simpleLRUStatsCache) Lookup(id int64) (*statistics.Table, bool) { sc.mu.Lock() defer sc.mu.Unlock() return sc.lookupUnsafe(id) @@ -99,7 +129,7 @@ func (sc *statsCache) Lookup(id int64) (*statistics.Table, bool) { // Insert inserts a new table to the statsCache. // If the memory consumption exceeds the capacity, remove the buckets and // CMSketch of the oldest cache and add metadata of it -func (sc *statsCache) Insert(table *statistics.Table) { +func (sc *simpleLRUStatsCache) Insert(table *statistics.Table) { if table == nil { return } @@ -123,21 +153,34 @@ func (sc *statsCache) Insert(table *statistics.Table) { return } -// Erase erase a stateCache with physical id. -func (sc *statsCache) Erase(deletedID int64) bool { +// Erase removes a stateCache with physical id. +func (sc *simpleLRUStatsCache) Erase(deletedID int64) bool { table, hit := sc.lookupUnsafe(deletedID) if !hit { return false } - key := statsCacheKey(deletedID) sc.cache.Delete(key) sc.memTracker.Consume(-table.MemoryUsage()) return true } +// GetAll get all the tables point. +func (sc *simpleLRUStatsCache) GetAll() []*statistics.Table { + sc.mu.Lock() + defer sc.mu.Unlock() + values := sc.cache.GetAll() + tables := make([]*statistics.Table, 0, len(values)) + for _, v := range values { + if t, ok := v.(*statistics.Table); ok && t != nil { + tables = append(tables, t) + } + } + return tables +} + // Update updates the statistics table cache. -func (sc *statsCache) Update(tables []*statistics.Table, deletedIDs []int64, newVersion uint64) { +func (sc *simpleLRUStatsCache) Update(tables []*statistics.Table, deletedIDs []int64, newVersion uint64) { sc.mu.Lock() defer sc.mu.Unlock() if sc.version <= newVersion { @@ -151,15 +194,22 @@ func (sc *statsCache) Update(tables []*statistics.Table, deletedIDs []int64, new } } -func (sc *statsCache) GetVersion() uint64 { +// GetBytesLimit get the limits of memory. +func (sc *simpleLRUStatsCache) GetBytesLimit() int64 { + sc.mu.Lock() + defer sc.mu.Unlock() + return sc.memTracker.GetBytesLimit() +} + +func (sc *simpleLRUStatsCache) GetVersion() uint64 { sc.mu.Lock() defer sc.mu.Unlock() return sc.version } -// initStatsCache should be invoked after the tables and their stats are initialized -// using tables map and version to init statsCache -func (sc *statsCache) initStatsCache(tables map[int64]*statistics.Table, version uint64) { +// InitStatsCache should be called after the tables and their stats are initilazed +// using tables map and version to init statscache +func (sc *simpleLRUStatsCache) InitStatsCache(tables map[int64]*statistics.Table, version uint64) { sc.mu.Lock() defer sc.mu.Unlock() for _, tbl := range tables { diff --git a/statistics/handle/statscache_test.go b/statistics/handle/statscache_test.go index f2c5f3439ad19..11e62eae8c291 100644 --- a/statistics/handle/statscache_test.go +++ b/statistics/handle/statscache_test.go @@ -45,8 +45,7 @@ func (s *testStatsSuite) TestStatsCacheMiniMemoryLimit(c *C) { // set new BytesLimit BytesLimit := int64(90000) - do.StatsHandle().SetBytesLimit4Test(BytesLimit) - // create t2 and kick t1 of cache + s.do.StatsHandle().SetBytesLimit4Test(BytesLimit) testKit.MustExec("create table t2 (c1 int, c2 int)") testKit.MustExec("insert into t2 values(1, 2)") do = s.do @@ -102,7 +101,6 @@ func (s *testStatsSuite) TestLoadHistWithLimit(c *C) { c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) testKit.MustExec("analyze table t2") c.Assert(BytesLimit >= h.GetMemConsumed(), IsTrue) - } func (s *testStatsSuite) TestLoadHistWithInvalidIndex(c *C) { @@ -211,7 +209,6 @@ func (s *testStatsSuite) TestManyTableChange(c *C) { for _, v := range statsTblnew.Indices { c.Assert(v.IsInvalid(&stmtctx.StatementContext{}, false), IsFalse) } - } } @@ -257,6 +254,5 @@ func (s *testStatsSuite) TestManyTableChangeWithQuery(c *C) { for _, v := range statsTblNew.Indices { c.Assert(v.IsInvalid(&stmtctx.StatementContext{}, false), IsFalse) } - } } From 0c3c4c588aa52b5bc79edfed9d6f1431d9cd2e2b Mon Sep 17 00:00:00 2001 From: Rain Li Date: Wed, 2 Dec 2020 20:15:18 +0800 Subject: [PATCH 0356/1021] *: Let binary literal can be convert to enum and set (#20789) --- executor/insert_test.go | 20 ++++++++++++++++++++ types/datum.go | 4 ++-- 2 files changed, 22 insertions(+), 2 deletions(-) diff --git a/executor/insert_test.go b/executor/insert_test.go index c0baa259aeac7..4616c08ba03ea 100644 --- a/executor/insert_test.go +++ b/executor/insert_test.go @@ -1544,3 +1544,23 @@ func combination(items []string) func() []string { return buf } } + +func (s *testSuite10) TestBinaryLiteralInsertToEnum(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec(`use test`) + tk.MustExec("drop table if exists bintest") + + tk.MustExec("create table bintest (h enum(0x61, '1', 'b')) character set utf8mb4") + tk.MustExec("insert into bintest(h) values(0x61)") + tk.MustQuery("select * from bintest").Check(testkit.Rows("a")) +} + +func (s *testSuite10) TestBinaryLiteralInsertToSet(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec(`use test`) + tk.MustExec("drop table if exists bintest") + + tk.MustExec("create table bintest (h set(0x61, '1', 'b')) character set utf8mb4") + tk.MustExec("insert into bintest(h) values(0x61)") + tk.MustQuery("select * from bintest").Check(testkit.Rows("a")) +} diff --git a/types/datum.go b/types/datum.go index 44ecf9c5c41db..50db148da5aec 100644 --- a/types/datum.go +++ b/types/datum.go @@ -1458,7 +1458,7 @@ func (d *Datum) convertToMysqlEnum(sc *stmtctx.StatementContext, target *FieldTy err error ) switch d.k { - case KindString, KindBytes: + case KindString, KindBytes, KindBinaryLiteral: e, err = ParseEnum(target.Elems, d.GetString(), target.Collate) case KindMysqlEnum: e, err = ParseEnum(target.Elems, d.GetMysqlEnum().Name, target.Collate) @@ -1485,7 +1485,7 @@ func (d *Datum) convertToMysqlSet(sc *stmtctx.StatementContext, target *FieldTyp err error ) switch d.k { - case KindString, KindBytes: + case KindString, KindBytes, KindBinaryLiteral: s, err = ParseSet(target.Elems, d.GetString(), target.Collate) case KindMysqlEnum: s, err = ParseSet(target.Elems, d.GetMysqlEnum().Name, target.Collate) From 5723034c061711107ecc2edc0fbc97d366e8396e Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Thu, 3 Dec 2020 11:02:17 +0800 Subject: [PATCH 0357/1021] bindinfo: dbname check for bindings should be case insensitive (#21143) --- bindinfo/bind_test.go | 21 +++++++++++++++++++++ bindinfo/handle.go | 2 +- 2 files changed, 22 insertions(+), 1 deletion(-) diff --git a/bindinfo/bind_test.go b/bindinfo/bind_test.go index eb4ce8dc50d7f..7d9dee559322b 100644 --- a/bindinfo/bind_test.go +++ b/bindinfo/bind_test.go @@ -922,6 +922,27 @@ func (s *testSuite) TestCapturePlanBaseline(c *C) { c.Assert(rows[0][1], Equals, "SELECT /*+ use_index(@`sel_1` `test`.`t` )*/ * FROM `t` WHERE `a`>10") } +func (s *testSuite) TestCaptureDBCaseSensitivity(c *C) { + tk := testkit.NewTestKit(c, s.store) + s.cleanBindingEnv(tk) + stmtsummary.StmtSummaryByDigestMap.Clear() + tk.MustExec("drop database if exists SPM") + tk.MustExec("create database SPM") + tk.MustExec("use SPM") + tk.MustExec("create table t(a int, b int, key(b))") + tk.MustExec("create global binding for select * from t using select /*+ use_index(t) */ * from t") + c.Assert(tk.Se.Auth(&auth.UserIdentity{Username: "root", Hostname: "%"}, nil, nil), IsTrue) + tk.MustExec("select /*+ use_index(t,b) */ * from t") + tk.MustExec("select /*+ use_index(t,b) */ * from t") + tk.MustExec("admin capture bindings") + // The capture should ignore the case sensitivity for DB name when checking if any binding exists, + // so there would be no new binding captured. + rows := tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 1) + c.Assert(rows[0][1], Equals, "select /*+ use_index(t) */ * from t") + c.Assert(rows[0][8], Equals, "manual") +} + func (s *testSuite) TestCaptureBaselinesDefaultDB(c *C) { tk := testkit.NewTestKit(c, s.store) s.cleanBindingEnv(tk) diff --git a/bindinfo/handle.go b/bindinfo/handle.go index 3cc58be349e4b..cf7e32a29406e 100644 --- a/bindinfo/handle.go +++ b/bindinfo/handle.go @@ -551,7 +551,7 @@ func copyBindRecordUpdateMap(oldMap map[string]*bindRecordUpdate) map[string]*bi func (c cache) getBindRecord(hash, normdOrigSQL, db string) *BindRecord { bindRecords := c[hash] for _, bindRecord := range bindRecords { - if bindRecord.OriginalSQL == normdOrigSQL && bindRecord.Db == db { + if bindRecord.OriginalSQL == normdOrigSQL && strings.EqualFold(bindRecord.Db, db) { return bindRecord } } From 61f076e14fba5c39227c2381e4ade31ae1e10e6b Mon Sep 17 00:00:00 2001 From: Yuanjia Zhang Date: Thu, 3 Dec 2020 11:45:17 +0800 Subject: [PATCH 0358/1021] executor: fix test problems in TestIssue20658 (#21442) --- executor/aggregate_test.go | 29 ++++++++++++++++------------- 1 file changed, 16 insertions(+), 13 deletions(-) diff --git a/executor/aggregate_test.go b/executor/aggregate_test.go index af5ac09822221..240300ba47a7a 100644 --- a/executor/aggregate_test.go +++ b/executor/aggregate_test.go @@ -15,8 +15,10 @@ package executor_test import ( "fmt" + "math" "math/rand" "sort" + "strconv" "strings" "time" @@ -1248,22 +1250,15 @@ func (s *testSuiteAgg) TestIssue20658(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test;") - aggFuncs := []string{"count(a)", "sum(a)", "avg(a)", "max(a)", "min(a)", "bit_or(a)", "bit_xor(a)", "bit_and(a)"} - aggFuncs2 := []string{"var_pop(a)", "var_samp(a)", "stddev_pop(a)", "stddev_samp(a)", "approx_count_distinct(a)", "approx_percentile(a, 7)"} + aggFuncs := []string{"count(a)", "sum(a)", "avg(a)", "max(a)", "min(a)", "bit_or(a)", "bit_xor(a)", "bit_and(a)", "var_pop(a)", "var_samp(a)", "stddev_pop(a)", "stddev_samp(a)", "approx_count_distinct(a)", "approx_percentile(a, 7)"} sqlFormat := "select /*+ stream_agg() */ %s from t group by b;" - castFormat := "cast(%s as decimal(32, 1))" - sqls := make([]string, 0, len(aggFuncs)+len(aggFuncs2)) + sqls := make([]string, 0, len(aggFuncs)) for _, af := range aggFuncs { sql := fmt.Sprintf(sqlFormat, af) sqls = append(sqls, sql) } - for _, af := range aggFuncs2 { - sql := fmt.Sprintf(sqlFormat, fmt.Sprintf(castFormat, af)) - sqls = append(sqls, sql) - } - tk.MustExec("drop table if exists t;") tk.MustExec("CREATE TABLE t(a bigint, b bigint);") for i := 0; i < 10000; i++ { @@ -1272,11 +1267,11 @@ func (s *testSuiteAgg) TestIssue20658(c *C) { concurrencies := []int{1, 2, 4, 8} for _, sql := range sqls { - var expected *testkit.Result + var expected [][]interface{} for _, con := range concurrencies { tk.MustExec(fmt.Sprintf("set @@tidb_streamagg_concurrency=%d;", con)) if con == 1 { - expected = tk.MustQuery(sql).Sort() + expected = tk.MustQuery(sql).Sort().Rows() } else { er := tk.MustQuery("explain " + sql).Rows() ok := false @@ -1288,9 +1283,17 @@ func (s *testSuiteAgg) TestIssue20658(c *C) { } } c.Assert(ok, Equals, true) - tk.MustQuery(sql).Sort().Check(expected.Rows()) + rows := tk.MustQuery(sql).Sort().Rows() + + c.Assert(len(rows), Equals, len(expected)) + for i := range rows { + v1, err := strconv.ParseFloat(rows[i][0].(string), 64) + c.Assert(err, IsNil) + v2, err := strconv.ParseFloat(expected[i][0].(string), 64) + c.Assert(err, IsNil) + c.Assert(math.Abs(v1-v2), Less, 1e-3) + } } - } } } From 567f364f42aa3cc043658f13d53f4add78ac9c5a Mon Sep 17 00:00:00 2001 From: Bingchang Chen <19990626.love@163.com> Date: Thu, 3 Dec 2020 12:03:48 +0800 Subject: [PATCH 0359/1021] ddl: Convert ddl types automatically according to length (#20652) --- ddl/column_test.go | 47 ++++++++++++++++++++++++++++++++++ ddl/column_type_change_test.go | 4 +-- ddl/ddl_api.go | 29 +++++++++++++++++++++ infoschema/tables_test.go | 2 +- util/ranger/ranger_test.go | 2 +- 5 files changed, 80 insertions(+), 4 deletions(-) diff --git a/ddl/column_test.go b/ddl/column_test.go index d94559eeaac2e..b924335dab2c9 100644 --- a/ddl/column_test.go +++ b/ddl/column_test.go @@ -15,6 +15,7 @@ package ddl import ( "context" + "fmt" "reflect" "sync" @@ -1200,3 +1201,49 @@ func (s *testColumnSuite) TestFieldCase(c *C) { err := checkDuplicateColumn(colObjects) c.Assert(err.Error(), Equals, infoschema.ErrColumnExists.GenWithStackByArgs("Field").Error()) } + +func (s *testColumnSuite) TestAutoConvertBlobTypeByLength(c *C) { + d := testNewDDLAndStart( + context.Background(), + c, + WithStore(s.store), + WithLease(testLease), + ) + // Close the customized ddl(worker goroutine included) after the test is finished, otherwise, it will + // cause go routine in TiDB leak test. + defer d.Stop() + + sql := fmt.Sprintf("create table t0(c0 Blob(%d), c1 Blob(%d), c2 Blob(%d), c3 Blob(%d))", + tinyBlobMaxLength-1, blobMaxLength-1, mediumBlobMaxLength-1, longBlobMaxLength-1) + stmt, err := parser.New().ParseOneStmt(sql, "", "") + c.Assert(err, IsNil) + tblInfo, err := BuildTableInfoFromAST(stmt.(*ast.CreateTableStmt)) + c.Assert(err, IsNil) + genIDs, err := d.genGlobalIDs(1) + c.Assert(err, IsNil) + tblInfo.ID = genIDs[0] + + ctx := testNewContext(d) + err = ctx.NewTxn(context.Background()) + c.Assert(err, IsNil) + testCreateTable(c, ctx, d, s.dbInfo, tblInfo) + t := testGetTable(c, d, s.dbInfo.ID, tblInfo.ID) + + c.Assert(t.Cols()[0].Tp, Equals, mysql.TypeTinyBlob) + c.Assert(t.Cols()[0].Flen, Equals, tinyBlobMaxLength) + c.Assert(t.Cols()[1].Tp, Equals, mysql.TypeBlob) + c.Assert(t.Cols()[1].Flen, Equals, blobMaxLength) + c.Assert(t.Cols()[2].Tp, Equals, mysql.TypeMediumBlob) + c.Assert(t.Cols()[2].Flen, Equals, mediumBlobMaxLength) + c.Assert(t.Cols()[3].Tp, Equals, mysql.TypeLongBlob) + c.Assert(t.Cols()[3].Flen, Equals, longBlobMaxLength) + + oldRow := types.MakeDatums([]byte("a"), []byte("a"), []byte("a"), []byte("a")) + _, err = t.AddRecord(ctx, oldRow) + c.Assert(err, IsNil) + + txn, err := ctx.Txn(true) + c.Assert(err, IsNil) + err = txn.Commit(context.Background()) + c.Assert(err, IsNil) +} diff --git a/ddl/column_type_change_test.go b/ddl/column_type_change_test.go index a2d6b1ba825b0..c4774ada899e4 100644 --- a/ddl/column_type_change_test.go +++ b/ddl/column_type_change_test.go @@ -339,13 +339,13 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromIntegerToOthers(c *C tk.MustExec("alter table t modify e blob(10)") modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "e", false) c.Assert(modifiedColumn, NotNil) - c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeBlob) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeTinyBlob) tk.MustQuery("select e from t").Check(testkit.Rows("11111")) tk.MustExec("alter table t modify f text(10)") modifiedColumn = getModifyColumn(c, tk.Se, "test", "t", "f", false) c.Assert(modifiedColumn, NotNil) - c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeBlob) + c.Assert(modifiedColumn.Tp, Equals, parser_mysql.TypeTinyBlob) tk.MustQuery("select f from t").Check(testkit.Rows("111111")) // integer to decimal diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 5d2ca1288a8da..ae6833a655212 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -66,6 +66,10 @@ const ( changingColumnPrefix = "_Col$_" changingIndexPrefix = "_Idx$_" tableNotExist = -1 + tinyBlobMaxLength = 255 + blobMaxLength = 65535 + mediumBlobMaxLength = 16777215 + longBlobMaxLength = 4294967295 ) func (d *ddl) CreateSchema(ctx sessionctx.Context, schema model.CIStr, charsetInfo *ast.CharsetOpt) error { @@ -550,6 +554,26 @@ func processColumnFlags(col *table.Column) { } } +func adjustBlobTypesFlen(col *table.Column) { + if col.FieldType.Tp == mysql.TypeBlob { + if col.FieldType.Flen <= tinyBlobMaxLength { + logutil.BgLogger().Info(fmt.Sprintf("Automatically convert BLOB(%d) to TINYBLOB", col.FieldType.Flen)) + col.FieldType.Flen = tinyBlobMaxLength + col.FieldType.Tp = mysql.TypeTinyBlob + } else if col.FieldType.Flen <= blobMaxLength { + col.FieldType.Flen = blobMaxLength + } else if col.FieldType.Flen <= mediumBlobMaxLength { + logutil.BgLogger().Info(fmt.Sprintf("Automatically convert BLOB(%d) to MEDIUMBLOB", col.FieldType.Flen)) + col.FieldType.Flen = mediumBlobMaxLength + col.FieldType.Tp = mysql.TypeMediumBlob + } else if col.FieldType.Flen <= longBlobMaxLength { + logutil.BgLogger().Info(fmt.Sprintf("Automatically convert BLOB(%d) to LONGBLOB", col.FieldType.Flen)) + col.FieldType.Flen = longBlobMaxLength + col.FieldType.Tp = mysql.TypeLongBlob + } + } +} + // columnDefToCol converts ColumnDef to Col and TableConstraints. // outPriKeyConstraint is the primary key constraint out of column definition. such as: create table t1 (id int , age int, primary key(id)); func columnDefToCol(ctx sessionctx.Context, offset int, colDef *ast.ColumnDef, outPriKeyConstraint *ast.Constraint) (*table.Column, []*ast.Constraint, error) { @@ -562,6 +586,8 @@ func columnDefToCol(ctx sessionctx.Context, offset int, colDef *ast.ColumnDef, o Version: model.CurrLatestColumnInfoVersion, }) + adjustBlobTypesFlen(col) + if !isExplicitTimeStamp() { // Check and set TimestampFlag, OnUpdateNowFlag and NotNullFlag. if col.Tp == mysql.TypeTimestamp { @@ -3705,6 +3731,9 @@ func (d *ddl) getModifiableColumnJob(ctx sessionctx.Context, ident ast.Ident, or return nil, errors.Trace(err) } + // Adjust the flen for blob types after the default flen is set. + adjustBlobTypesFlen(newCol) + if err = processColumnOptions(ctx, newCol, specNewColumn.Options); err != nil { return nil, errors.Trace(err) } diff --git a/infoschema/tables_test.go b/infoschema/tables_test.go index b59c34645f220..899f51d638fcc 100644 --- a/infoschema/tables_test.go +++ b/infoschema/tables_test.go @@ -226,7 +226,7 @@ func (s *testTableSuite) TestInfoschemaFieldValue(c *C) { tk.MustQuery("select CHARACTER_MAXIMUM_LENGTH,CHARACTER_OCTET_LENGTH,NUMERIC_PRECISION,NUMERIC_SCALE,DATETIME_PRECISION from information_schema.COLUMNS where table_name='timeschema'"). Check(testkit.Rows(" ", " 3", " 3", " 4", " ")) tk.MustQuery("select CHARACTER_MAXIMUM_LENGTH,CHARACTER_OCTET_LENGTH,NUMERIC_PRECISION,NUMERIC_SCALE,DATETIME_PRECISION from information_schema.COLUMNS where table_name='strschema'"). - Check(testkit.Rows("3 3 ", "3 3 ", "3 3 ", "3 3 ")) // FIXME: for mysql last two will be "255 255 ", "255 255 " + Check(testkit.Rows("3 3 ", "3 3 ", "255 255 ", "255 255 ")) tk.MustQuery("select NUMERIC_SCALE from information_schema.COLUMNS where table_name='floatschema'"). Check(testkit.Rows("", "3")) diff --git a/util/ranger/ranger_test.go b/util/ranger/ranger_test.go index 952c5802a777a..98025dd003029 100644 --- a/util/ranger/ranger_test.go +++ b/util/ranger/ranger_test.go @@ -1193,7 +1193,7 @@ func (s *testRangerSuite) TestIndexStringIsTrueRange(c *C) { testKit.MustExec("drop table if exists t0") testKit.MustExec("CREATE TABLE t0(c0 TEXT(10));") testKit.MustExec("INSERT INTO t0(c0) VALUES (1);") - testKit.MustExec("CREATE INDEX i0 ON t0(c0(10));") + testKit.MustExec("CREATE INDEX i0 ON t0(c0(255));") testKit.MustExec("analyze table t0;") var input []string From e707e1239ff62fe5b8913273fb756490b3a81ef0 Mon Sep 17 00:00:00 2001 From: zhouqiang Date: Thu, 3 Dec 2020 12:17:17 +0800 Subject: [PATCH 0360/1021] *: Fix coverage test fail (#21449) --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index bfca924ba2c1e..64b6f9e4126da 100644 --- a/Makefile +++ b/Makefile @@ -126,7 +126,7 @@ ifeq ("$(TRAVIS_COVERAGE)", "1") @export log_level=error; \ $(OVERALLS) -project=github.com/pingcap/tidb \ -covermode=count \ - -ignore='.git,vendor,cmd,docs,LICENSES' \ + -ignore='.git,vendor,cmd,docs,tests,LICENSES' \ -concurrency=4 \ -- -coverpkg=./... \ || { $(FAILPOINT_DISABLE); exit 1; } From 1a2098216e581884ec29f14ce3cee314d4002041 Mon Sep 17 00:00:00 2001 From: MyonKeminta <9948422+MyonKeminta@users.noreply.github.com> Date: Thu, 3 Dec 2020 13:50:48 +0800 Subject: [PATCH 0361/1021] session/bootstrap: Do not enable async commit and 1pc by default for new cluster (#21438) Signed-off-by: MyonKeminta --- session/bootstrap.go | 6 ------ 1 file changed, 6 deletions(-) diff --git a/session/bootstrap.go b/session/bootstrap.go index 22372bdec246b..e0abf419351be 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -1335,12 +1335,6 @@ func doDMLWorks(s Session) { vVal = string(variable.DynamicOnly) } } - if v.Name == variable.TiDBEnableAsyncCommit && config.GetGlobalConfig().Store == "tikv" { - vVal = variable.BoolOn - } - if v.Name == variable.TiDBEnable1PC && config.GetGlobalConfig().Store == "tikv" { - vVal = variable.BoolOn - } value := fmt.Sprintf(`("%s", "%s")`, strings.ToLower(k), vVal) values = append(values, value) } From d67a102118029ec8c9f2769b6ffcd0053303ff6b Mon Sep 17 00:00:00 2001 From: Feng Liyuan Date: Thu, 3 Dec 2020 14:29:00 +0800 Subject: [PATCH 0362/1021] server: return results of ongoing queries when graceful shutdown (#19669) --- server/conn.go | 11 +- server/server.go | 7 +- tests/graceshutdown/.gitignore | 1 + tests/graceshutdown/Makefile | 33 +++++ tests/graceshutdown/go.mod | 10 ++ tests/graceshutdown/go.sum | 64 ++++++++++ tests/graceshutdown/graceshutdown_test.go | 146 ++++++++++++++++++++++ tests/graceshutdown/run-tests.sh | 18 +++ 8 files changed, 281 insertions(+), 9 deletions(-) create mode 100644 tests/graceshutdown/.gitignore create mode 100644 tests/graceshutdown/Makefile create mode 100644 tests/graceshutdown/go.mod create mode 100644 tests/graceshutdown/go.sum create mode 100644 tests/graceshutdown/graceshutdown_test.go create mode 100755 tests/graceshutdown/run-tests.sh diff --git a/server/conn.go b/server/conn.go index 081fe4aea81fe..918e50563fcc7 100644 --- a/server/conn.go +++ b/server/conn.go @@ -750,7 +750,10 @@ func (cc *clientConn) Run(ctx context.Context) { // The client connection would detect the events when it fails to change status // by CAS operation, it would then take some actions accordingly. for { - if !atomic.CompareAndSwapInt32(&cc.status, connStatusDispatching, connStatusReading) { + if !atomic.CompareAndSwapInt32(&cc.status, connStatusDispatching, connStatusReading) || + // The judge below will not be hit by all means, + // But keep it stayed as a reminder and for the code reference for connStatusWaitShutdown. + atomic.LoadInt32(&cc.status) == connStatusWaitShutdown { return } @@ -829,8 +832,8 @@ func (cc *clientConn) ShutdownOrNotify() bool { return true } // If the client connection status is dispatching, we can't shutdown it immediately, - // so set the status to WaitShutdown as a notification, the client will detect it - // and then exit. + // so set the status to WaitShutdown as a notification, the loop in clientConn.Run + // will detect it and then exit. atomic.StoreInt32(&cc.status, connStatusWaitShutdown) return false } @@ -1575,7 +1578,7 @@ func (cc *clientConn) handleStmt(ctx context.Context, stmt ast.StmtNode, warns [ if rs != nil { connStatus := atomic.LoadInt32(&cc.status) - if connStatus == connStatusShutdown || connStatus == connStatusWaitShutdown { + if connStatus == connStatusShutdown { return executor.ErrQueryInterrupted } diff --git a/server/server.go b/server/server.go index edb290bf9ad74..345948ac2b452 100644 --- a/server/server.go +++ b/server/server.go @@ -524,9 +524,6 @@ func (s *Server) ShowProcessList() map[uint64]*util.ProcessInfo { defer s.rwlock.RUnlock() rs := make(map[uint64]*util.ProcessInfo, len(s.clients)) for _, client := range s.clients { - if atomic.LoadInt32(&client.status) == connStatusWaitShutdown { - continue - } if pi := client.ctx.ShowProcess(); pi != nil { rs[pi.ID] = pi } @@ -539,7 +536,7 @@ func (s *Server) GetProcessInfo(id uint64) (*util.ProcessInfo, bool) { s.rwlock.RLock() conn, ok := s.clients[id] s.rwlock.RUnlock() - if !ok || atomic.LoadInt32(&conn.status) == connStatusWaitShutdown { + if !ok { return &util.ProcessInfo{}, false } return conn.ctx.ShowProcess(), ok @@ -558,7 +555,7 @@ func (s *Server) Kill(connectionID uint64, query bool) { } if !query { - // Mark the client connection status as WaitShutdown, when the goroutine detect + // Mark the client connection status as WaitShutdown, when clientConn.Run detect // this, it will end the dispatch loop and exit. atomic.StoreInt32(&conn.status, connStatusWaitShutdown) } diff --git a/tests/graceshutdown/.gitignore b/tests/graceshutdown/.gitignore new file mode 100644 index 0000000000000..3521e226f227a --- /dev/null +++ b/tests/graceshutdown/.gitignore @@ -0,0 +1 @@ +tidb-slow.log diff --git a/tests/graceshutdown/Makefile b/tests/graceshutdown/Makefile new file mode 100644 index 0000000000000..f1f028514b1c0 --- /dev/null +++ b/tests/graceshutdown/Makefile @@ -0,0 +1,33 @@ +# Copyright 2020 PingCAP, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# See the License for the specific language governing permissions and +# limitations under the License. + +BASE_DIR := $(abspath $(dir $(lastword $(MAKEFILE_LIST)))/../..) +OUT_DIR := $(abspath $(dir $(lastword $(MAKEFILE_LIST)))/bin) + +include $(BASE_DIR)/Makefile.common + +.PHONY: server buildsucc + +default: server buildsucc + +buildsucc: + @echo "Build TiDB Server successfully!" + +server: +ifeq ($(TARGET), "") + cd ${BASE_DIR} && \ + CGO_ENABLED=1 $(GOBUILD) -ldflags '$(LDFLAGS)' -o $(OUT_DIR)/tidb-server tidb-server/main.go +else + cd ${BASE_DIR} && \ + CGO_ENABLED=1 $(GOBUILD) -ldflags '$(LDFLAGS)' -o '$(TARGET)' tidb-server/main.go +endif diff --git a/tests/graceshutdown/go.mod b/tests/graceshutdown/go.mod new file mode 100644 index 0000000000000..0b1063caec2ad --- /dev/null +++ b/tests/graceshutdown/go.mod @@ -0,0 +1,10 @@ +module graceshutdown + +go 1.15 + +require ( + github.com/go-sql-driver/mysql v1.5.0 + github.com/juju/errors v0.0.0-20200330140219-3fe23663418f + github.com/pingcap/check v0.0.0-20200212061837-5e12011dc712 + github.com/sirupsen/logrus v1.7.0 +) diff --git a/tests/graceshutdown/go.sum b/tests/graceshutdown/go.sum new file mode 100644 index 0000000000000..086b125d80d92 --- /dev/null +++ b/tests/graceshutdown/go.sum @@ -0,0 +1,64 @@ +github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/go-sql-driver/mysql v1.5.0 h1:ozyZYNQW3x3HtqT1jira07DN2PArx2v7/mN66gGcHOs= +github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg= +github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI= +github.com/juju/errors v0.0.0-20200330140219-3fe23663418f h1:MCOvExGLpaSIzLYB4iQXEHP4jYVU6vmzLNQPdMVrxnM= +github.com/juju/errors v0.0.0-20200330140219-3fe23663418f/go.mod h1:W54LbzXuIE0boCoNJfwqpmkKJ1O4TCTZMetAt6jGk7Q= +github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck= +github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= +github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= +github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= +github.com/pingcap/check v0.0.0-20190102082844-67f458068fc8/go.mod h1:B1+S9LNcuMyLH/4HMTViQOJevkGiik3wW2AN9zb2fNQ= +github.com/pingcap/check v0.0.0-20200212061837-5e12011dc712 h1:R8gStypOBmpnHEx1qi//SaqxJVI4inOqljg/Aj5/390= +github.com/pingcap/check v0.0.0-20200212061837-5e12011dc712/go.mod h1:PYMCGwN0JHjoqGr3HrZoD+b8Tgx8bKnArhSq8YVzUMc= +github.com/pingcap/errors v0.11.0/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8= +github.com/pingcap/log v0.0.0-20191012051959-b742a5d432e9 h1:AJD9pZYm72vMgPcQDww9rkZ1DnWfl0pXV3BOWlkYIjA= +github.com/pingcap/log v0.0.0-20191012051959-b742a5d432e9/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= +github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= +github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4= 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h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k= +gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= diff --git a/tests/graceshutdown/graceshutdown_test.go b/tests/graceshutdown/graceshutdown_test.go new file mode 100644 index 0000000000000..c90bd82d028d6 --- /dev/null +++ b/tests/graceshutdown/graceshutdown_test.go @@ -0,0 +1,146 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package graceshutdown + +import ( + "context" + "database/sql" + "flag" + "fmt" + "os" + "os/exec" + "testing" + "time" + + _ "github.com/go-sql-driver/mysql" + "github.com/juju/errors" + . "github.com/pingcap/check" + log "github.com/sirupsen/logrus" +) + +var ( + tidbBinaryPath = flag.String("s", "bin/tidb-server", "tidb server binary path") + tmpPath = flag.String("tmp", "/tmp/tidb_gracefulshutdown", "temporary files path") + tidbStartPort = flag.Int("tidb_start_port", 5500, "first tidb server listening port") + tidbStatusPort = flag.Int("tidb_status_port", 8500, "first tidb server status port") +) + +func TestGracefulShutdown(t *testing.T) { + CustomVerboseFlag = true + TestingT(t) +} + +var _ = Suite(&TestGracefulShutdownSuite{}) + +type TestGracefulShutdownSuite struct { +} + +func (s *TestGracefulShutdownSuite) SetUpSuite(c *C) { +} +func (s *TestGracefulShutdownSuite) TearDownSuite(c *C) { +} + +func (s *TestGracefulShutdownSuite) startTiDBWithoutPD(port int, statusPort int) (cmd *exec.Cmd, err error) { + cmd = exec.Command(*tidbBinaryPath, + "--store=mocktikv", + fmt.Sprintf("--path=%s/mocktikv", *tmpPath), + fmt.Sprintf("-P=%d", port), + fmt.Sprintf("--status=%d", statusPort), + fmt.Sprintf("--log-file=%s/tidb%d.log", *tmpPath, port)) + log.Infof("starting tidb: %v", cmd) + err = cmd.Start() + if err != nil { + return nil, errors.Trace(err) + } + time.Sleep(500 * time.Millisecond) + return cmd, nil +} + +func (s *TestGracefulShutdownSuite) stopService(name string, cmd *exec.Cmd) (err error) { + if err = cmd.Process.Signal(os.Interrupt); err != nil { + return errors.Trace(err) + } + log.Infof("service \"%s\" Interrupt", name) + if err = cmd.Wait(); err != nil { + return errors.Trace(err) + } + log.Infof("service \"%s\" stopped gracefully", name) + return nil +} + +func (s *TestGracefulShutdownSuite) connectTiDB(port int) (db *sql.DB, err error) { + addr := fmt.Sprintf("127.0.0.1:%d", port) + dsn := fmt.Sprintf("root@(%s)/test", addr) + sleepTime := 250 * time.Millisecond + startTime := time.Now() + for i := 0; i < 5; i++ { + db, err = sql.Open("mysql", dsn) + if err != nil { + log.Warnf("open addr %v failed, retry count %d err %v", addr, i, err) + continue + } + err = db.Ping() + if err == nil { + break + } + log.Warnf("ping addr %v failed, retry count %d err %v", addr, i, err) + + db.Close() + time.Sleep(sleepTime) + sleepTime += sleepTime + } + if err != nil { + log.Errorf("connect to server addr %v failed %v, take time %v", addr, err, time.Since(startTime)) + return nil, errors.Trace(err) + } + db.SetMaxOpenConns(10) + + log.Infof("connect to server %s ok", addr) + return db, nil +} + +func (s *TestGracefulShutdownSuite) TestGracefulShutdown(c *C) { + port := *tidbStartPort + 1 + tidb, err := s.startTiDBWithoutPD(port, *tidbStatusPort) + c.Assert(err, IsNil) + + db, err := s.connectTiDB(port) + c.Assert(err, IsNil) + defer db.Close() + + ctx, cancel := context.WithDeadline(context.Background(), time.Now().Add(10*time.Second)) + defer cancel() + conn1, err := db.Conn(ctx) + c.Assert(err, IsNil) + defer conn1.Close() + + _, err = conn1.ExecContext(ctx, "drop table if exists t;") + c.Assert(err, IsNil) + _, err = conn1.ExecContext(ctx, "create table t(a int);") + c.Assert(err, IsNil) + _, err = conn1.ExecContext(ctx, "insert into t values(1);") + c.Assert(err, IsNil) + + go func() { + time.Sleep(1e9) + err = s.stopService("tidb", tidb) + c.Assert(err, IsNil) + }() + + sql := `select 1 from t where not (select sleep(3)) ;` + var a int64 + err = conn1.QueryRowContext(ctx, sql).Scan(&a) + c.Assert(err, IsNil) + c.Assert(a, Equals, int64(1)) +} diff --git a/tests/graceshutdown/run-tests.sh b/tests/graceshutdown/run-tests.sh new file mode 100755 index 0000000000000..a4def89eaf845 --- /dev/null +++ b/tests/graceshutdown/run-tests.sh @@ -0,0 +1,18 @@ +#!/usr/bin/env bash +# Copyright 2020 PingCAP, Inc. + +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at + +# http://www.apache.org/licenses/LICENSE-2.0 + +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# See the License for the specific language governing permissions and +# limitations under the License. + +set -eu +trap 'set +e; PIDS=$(jobs -p); [ -n "$PIDS" ] && kill -9 $PIDS' EXIT + +go test From 8071a90d3621553559885954b3e7a8ef48788c6a Mon Sep 17 00:00:00 2001 From: dongyan <34701401+dyzsr@users.noreply.github.com> Date: Thu, 3 Dec 2020 14:43:18 +0800 Subject: [PATCH 0363/1021] planner: report error when UPDATE set generated column with non-default value (#21460) --- planner/core/integration_test.go | 19 +++++++++++++++++++ planner/core/logical_plan_builder.go | 2 +- 2 files changed, 20 insertions(+), 1 deletion(-) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 72dfc8f47ec5c..03c10f82814c9 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1918,6 +1918,25 @@ func (s *testIntegrationSuite) TestUpdateMultiUpdatePK(c *C) { tk.MustQuery("SELECT * FROM t").Check(testkit.Rows("2 12")) } +func (s *testIntegrationSuite) TestUpdateSetDefault(c *C) { + // #20598 + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("create table tt (x int, z int as (x+10) stored)") + tk.MustExec("insert into tt(x) values (1)") + tk.MustExec("update tt set x=2, z = default") + tk.MustQuery("select * from tt").Check(testkit.Rows("2 12")) + + tk.MustGetErrMsg("update tt set z = 123", + "[planner:3105]The value specified for generated column 'z' in table 'tt' is not allowed.") + tk.MustGetErrMsg("update tt as ss set z = 123", + "[planner:3105]The value specified for generated column 'z' in table 'tt' is not allowed.") + tk.MustGetErrMsg("update tt as ss set x = 3, z = 13", + "[planner:3105]The value specified for generated column 'z' in table 'tt' is not allowed.") + tk.MustGetErrMsg("update tt as s1, tt as s2 set s1.z = default, s2.z = 456", + "[planner:3105]The value specified for generated column 'z' in table 'tt' is not allowed.") +} + func (s *testIntegrationSerialSuite) TestPreferRangeScan(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index 520191f19efb8..e02e46dee1dab 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -3895,7 +3895,7 @@ func (b *PlanBuilder) buildUpdateLists( if !colInfo.IsGenerated() { continue } - columnFullName := fmt.Sprintf("%s.%s.%s", tn.Schema.L, tn.Name.L, colInfo.Name.L) + columnFullName := fmt.Sprintf("%s.%s.%s", tn.DBInfo.Name.L, tn.Name.L, colInfo.Name.L) isDefault, ok := modifyColumns[columnFullName] if ok && colInfo.Hidden { return nil, nil, false, ErrUnknownColumn.GenWithStackByArgs(colInfo.Name, clauseMsg[fieldList]) From 3b8642663a1e469f8535c22a5fc3a243b9c3ed3c Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Thu, 3 Dec 2020 15:12:04 +0800 Subject: [PATCH 0364/1021] bindinfo: physically delete previous binding when recreating a binding (#21349) --- bindinfo/bind_test.go | 29 +++++++++++++++++++++++++++++ bindinfo/handle.go | 22 ++++++++++++++-------- 2 files changed, 43 insertions(+), 8 deletions(-) diff --git a/bindinfo/bind_test.go b/bindinfo/bind_test.go index 7d9dee559322b..e85ac5fba683d 100644 --- a/bindinfo/bind_test.go +++ b/bindinfo/bind_test.go @@ -1710,6 +1710,35 @@ func (s *testSuite) TestIssue19836(c *C) { tk.MustQuery("explain for connection " + strconv.FormatUint(tk.Se.ShowProcess().ID, 10)).Check(explainResult) } +func (s *testSuite) TestReCreateBind(c *C) { + tk := testkit.NewTestKit(c, s.store) + s.cleanBindingEnv(tk) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int, b int, index idx(a))") + + tk.MustQuery("select * from mysql.bind_info").Check(testkit.Rows()) + tk.MustQuery("show global bindings").Check(testkit.Rows()) + + tk.MustExec("create global binding for select * from t using select * from t") + tk.MustQuery("select original_sql, status from mysql.bind_info").Check(testkit.Rows( + "select * from t using", + )) + rows := tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 1) + c.Assert(rows[0][0], Equals, "select * from t") + c.Assert(rows[0][3], Equals, "using") + + tk.MustExec("create global binding for select * from t using select * from t") + tk.MustQuery("select original_sql, status from mysql.bind_info").Check(testkit.Rows( + "select * from t using", + )) + rows = tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 1) + c.Assert(rows[0][0], Equals, "select * from t") + c.Assert(rows[0][3], Equals, "using") +} + func (s *testSuite) TestDMLIndexHintBind(c *C) { tk := testkit.NewTestKit(c, s.store) s.cleanBindingEnv(tk) diff --git a/bindinfo/handle.go b/bindinfo/handle.go index cf7e32a29406e..fb5f529e92adc 100644 --- a/bindinfo/handle.go +++ b/bindinfo/handle.go @@ -213,17 +213,22 @@ func (h *BindHandle) CreateBindRecord(sctx sessionctx.Context, record *BindRecor h.bindInfo.Unlock() }() - txn, err1 := h.sctx.Context.Txn(true) - if err1 != nil { - return err1 + var txn kv.Transaction + txn, err = h.sctx.Context.Txn(true) + if err != nil { + return err } now := types.NewTime(types.FromGoTime(oracle.GetTimeFromTS(txn.StartTS())), mysql.TypeTimestamp, 3) if oldRecord != nil { for _, binding := range oldRecord.Bindings { - _, err1 = exec.ExecuteInternal(context.TODO(), h.logicalDeleteBindInfoSQL(record.OriginalSQL, record.Db, now, binding.BindSQL)) + // Binding recreation should physically delete previous bindings, since marking them as deleted may + // cause unexpected binding caches if there are concurrent CREATE BINDING on multiple tidb instances, + // because the record with `using` status is not guaranteed to have larger update_time than those records + // with `deleted` status. + _, err = exec.ExecuteInternal(context.TODO(), h.deleteBindInfoSQL(record.OriginalSQL, record.Db, binding.BindSQL)) if err != nil { - return err1 + return err } } } @@ -290,9 +295,10 @@ func (h *BindHandle) AddBindRecord(sctx sessionctx.Context, record *BindRecord) h.bindInfo.Unlock() }() - txn, err1 := h.sctx.Context.Txn(true) - if err1 != nil { - return err1 + var txn kv.Transaction + txn, err = h.sctx.Context.Txn(true) + if err != nil { + return err } if duplicateBinding != nil { From 72d4504f45680748088df16ebf186b88b94dd0cb Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Thu, 3 Dec 2020 15:18:37 +0800 Subject: [PATCH 0365/1021] planner: fix explain-hint panic for joins generated by subquery (#20675) --- executor/prepared.go | 2 +- executor/show.go | 2 +- planner/core/expression_rewriter.go | 3 ++- planner/core/hints.go | 3 +++ planner/core/indexmerge_test.go | 2 +- planner/core/logical_plan_test.go | 20 +++++++++---------- .../core/memtable_predicate_extractor_test.go | 2 +- planner/core/optimizer.go | 2 +- planner/core/plan_test.go | 10 ++++++++++ planner/core/planbuilder.go | 8 +++++--- planner/core/planbuilder_test.go | 4 ++-- planner/core/prepare_test.go | 2 +- planner/core/stats_test.go | 2 +- planner/optimize.go | 4 ++-- 14 files changed, 41 insertions(+), 25 deletions(-) diff --git a/executor/prepared.go b/executor/prepared.go index cea8df2f64cda..76676dc52c0d9 100644 --- a/executor/prepared.go +++ b/executor/prepared.go @@ -197,7 +197,7 @@ func (e *PrepareExec) Next(ctx context.Context, req *chunk.Chunk) error { var p plannercore.Plan e.ctx.GetSessionVars().PlanID = 0 e.ctx.GetSessionVars().PlanColumnID = 0 - destBuilder := plannercore.NewPlanBuilder(e.ctx, e.is, &hint.BlockHintProcessor{}) + destBuilder, _ := plannercore.NewPlanBuilder(e.ctx, e.is, &hint.BlockHintProcessor{}) p, err = destBuilder.Build(ctx, stmt) if err != nil { return err diff --git a/executor/show.go b/executor/show.go index 69aa901bcaef7..d182c9ff31d60 100644 --- a/executor/show.go +++ b/executor/show.go @@ -462,7 +462,7 @@ func (e *ShowExec) fetchShowColumns(ctx context.Context) error { if tb.Meta().IsView() { // Because view's undertable's column could change or recreate, so view's column type may change overtime. // To avoid this situation we need to generate a logical plan and extract current column types from Schema. - planBuilder := plannercore.NewPlanBuilder(e.ctx, e.is, &hint.BlockHintProcessor{}) + planBuilder, _ := plannercore.NewPlanBuilder(e.ctx, e.is, &hint.BlockHintProcessor{}) viewLogicalPlan, err := planBuilder.BuildDataSourceFromView(ctx, e.DBName, tb.Meta()) if err != nil { return err diff --git a/planner/core/expression_rewriter.go b/planner/core/expression_rewriter.go index de881e482be53..4eace01a99479 100644 --- a/planner/core/expression_rewriter.go +++ b/planner/core/expression_rewriter.go @@ -67,7 +67,7 @@ func rewriteAstExpr(sctx sessionctx.Context, expr ast.ExprNode, schema *expressi if sctx.GetSessionVars().TxnCtx.InfoSchema != nil { is = sctx.GetSessionVars().TxnCtx.InfoSchema.(infoschema.InfoSchema) } - b := NewPlanBuilder(sctx, is, &hint.BlockHintProcessor{}) + b, savedBlockNames := NewPlanBuilder(sctx, is, &hint.BlockHintProcessor{}) fakePlan := LogicalTableDual{}.Init(sctx, 0) if schema != nil { fakePlan.schema = schema @@ -78,6 +78,7 @@ func rewriteAstExpr(sctx sessionctx.Context, expr ast.ExprNode, schema *expressi if err != nil { return nil, err } + sctx.GetSessionVars().PlannerSelectBlockAsName = savedBlockNames return newExpr, nil } diff --git a/planner/core/hints.go b/planner/core/hints.go index e9c3e32d8c5ac..898b7d44ddb2b 100644 --- a/planner/core/hints.go +++ b/planner/core/hints.go @@ -80,6 +80,9 @@ func extractTableAsName(p PhysicalPlan) (*model.CIStr, *model.CIStr) { } func getJoinHints(sctx sessionctx.Context, joinType string, parentOffset int, nodeType utilhint.NodeType, children ...PhysicalPlan) (res []*ast.TableOptimizerHint) { + if parentOffset == -1 { + return res + } for _, child := range children { blockOffset := child.SelectBlockOffset() if blockOffset == -1 { diff --git a/planner/core/indexmerge_test.go b/planner/core/indexmerge_test.go index 8df97cb27ac28..9fdcf2f809acb 100644 --- a/planner/core/indexmerge_test.go +++ b/planner/core/indexmerge_test.go @@ -91,7 +91,7 @@ func (s *testIndexMergeSuite) TestIndexMergePathGeneration(c *C) { stmt, err := s.ParseOneStmt(tc, "", "") c.Assert(err, IsNil, comment) Preprocess(s.ctx, stmt, s.is) - builder := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) + builder, _ := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) p, err := builder.Build(ctx, stmt) if err != nil { s.testdata.OnRecord(func() { diff --git a/planner/core/logical_plan_test.go b/planner/core/logical_plan_test.go index 9cc51f6fe2ea5..eeb3872a3ef39 100644 --- a/planner/core/logical_plan_test.go +++ b/planner/core/logical_plan_test.go @@ -1118,7 +1118,7 @@ func (s *testPlanSuite) TestVisitInfo(c *C) { stmt, err := s.ParseOneStmt(tt.sql, "", "") c.Assert(err, IsNil, comment) Preprocess(s.ctx, stmt, s.is) - builder := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) + builder, _ := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) builder.ctx.GetSessionVars().SetHashJoinConcurrency(1) _, err = builder.Build(context.TODO(), stmt) c.Assert(err, IsNil, comment) @@ -1198,7 +1198,7 @@ func (s *testPlanSuite) TestUnion(c *C) { stmt, err := s.ParseOneStmt(tt, "", "") c.Assert(err, IsNil, comment) Preprocess(s.ctx, stmt, s.is) - builder := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) + builder, _ := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) plan, err := builder.Build(ctx, stmt) s.testData.OnRecord(func() { output[i].Err = err != nil @@ -1230,7 +1230,7 @@ func (s *testPlanSuite) TestTopNPushDown(c *C) { stmt, err := s.ParseOneStmt(tt, "", "") c.Assert(err, IsNil, comment) Preprocess(s.ctx, stmt, s.is) - builder := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) + builder, _ := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) p, err := builder.Build(ctx, stmt) c.Assert(err, IsNil) p, err = logicalOptimize(ctx, builder.optFlag, p.(LogicalPlan)) @@ -1304,7 +1304,7 @@ func (s *testPlanSuite) TestOuterJoinEliminator(c *C) { stmt, err := s.ParseOneStmt(tt, "", "") c.Assert(err, IsNil, comment) Preprocess(s.ctx, stmt, s.is) - builder := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) + builder, _ := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) p, err := builder.Build(ctx, stmt) c.Assert(err, IsNil) p, err = logicalOptimize(ctx, builder.optFlag, p.(LogicalPlan)) @@ -1340,7 +1340,7 @@ func (s *testPlanSuite) TestSelectView(c *C) { stmt, err := s.ParseOneStmt(tt.sql, "", "") c.Assert(err, IsNil, comment) Preprocess(s.ctx, stmt, s.is) - builder := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) + builder, _ := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) p, err := builder.Build(ctx, stmt) c.Assert(err, IsNil) p, err = logicalOptimize(ctx, builder.optFlag, p.(LogicalPlan)) @@ -1421,7 +1421,7 @@ func (s *testPlanSuite) optimize(ctx context.Context, sql string) (PhysicalPlan, return nil, nil, err } } - builder := NewPlanBuilder(sctx, s.is, &hint.BlockHintProcessor{}) + builder, _ := NewPlanBuilder(sctx, s.is, &hint.BlockHintProcessor{}) p, err := builder.Build(ctx, stmt) if err != nil { return nil, nil, err @@ -1503,7 +1503,7 @@ func (s *testPlanSuite) TestSkylinePruning(c *C) { stmt, err := s.ParseOneStmt(tt.sql, "", "") c.Assert(err, IsNil, comment) Preprocess(s.ctx, stmt, s.is) - builder := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) + builder, _ := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) p, err := builder.Build(ctx, stmt) if err != nil { c.Assert(err.Error(), Equals, tt.result, comment) @@ -1604,7 +1604,7 @@ func (s *testPlanSuite) TestUpdateEQCond(c *C) { stmt, err := s.ParseOneStmt(tt.sql, "", "") c.Assert(err, IsNil, comment) Preprocess(s.ctx, stmt, s.is) - builder := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) + builder, _ := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) p, err := builder.Build(ctx, stmt) c.Assert(err, IsNil) p, err = logicalOptimize(ctx, builder.optFlag, p.(LogicalPlan)) @@ -1620,7 +1620,7 @@ func (s *testPlanSuite) TestConflictedJoinTypeHints(c *C) { stmt, err := s.ParseOneStmt(sql, "", "") c.Assert(err, IsNil) Preprocess(s.ctx, stmt, s.is) - builder := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) + builder, _ := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) p, err := builder.Build(ctx, stmt) c.Assert(err, IsNil) p, err = logicalOptimize(ctx, builder.optFlag, p.(LogicalPlan)) @@ -1640,7 +1640,7 @@ func (s *testPlanSuite) TestSimplyOuterJoinWithOnlyOuterExpr(c *C) { stmt, err := s.ParseOneStmt(sql, "", "") c.Assert(err, IsNil) Preprocess(s.ctx, stmt, s.is) - builder := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) + builder, _ := NewPlanBuilder(MockContext(), s.is, &hint.BlockHintProcessor{}) p, err := builder.Build(ctx, stmt) c.Assert(err, IsNil) p, err = logicalOptimize(ctx, builder.optFlag, p.(LogicalPlan)) diff --git a/planner/core/memtable_predicate_extractor_test.go b/planner/core/memtable_predicate_extractor_test.go index 48d59d047476f..dc36934d4dc1b 100644 --- a/planner/core/memtable_predicate_extractor_test.go +++ b/planner/core/memtable_predicate_extractor_test.go @@ -62,7 +62,7 @@ func (s *extractorSuite) getLogicalMemTable(c *C, se session.Session, parser *pa c.Assert(err, IsNil) ctx := context.Background() - builder := plannercore.NewPlanBuilder(se, s.dom.InfoSchema(), &hint.BlockHintProcessor{}) + builder, _ := plannercore.NewPlanBuilder(se, s.dom.InfoSchema(), &hint.BlockHintProcessor{}) plan, err := builder.Build(ctx, stmt) c.Assert(err, IsNil) diff --git a/planner/core/optimizer.go b/planner/core/optimizer.go index 2db34e9ba19f5..a81b0f3896d18 100644 --- a/planner/core/optimizer.go +++ b/planner/core/optimizer.go @@ -83,7 +83,7 @@ type logicalOptRule interface { func BuildLogicalPlan(ctx context.Context, sctx sessionctx.Context, node ast.Node, is infoschema.InfoSchema) (Plan, types.NameSlice, error) { sctx.GetSessionVars().PlanID = 0 sctx.GetSessionVars().PlanColumnID = 0 - builder := NewPlanBuilder(sctx, is, &utilhint.BlockHintProcessor{}) + builder, _ := NewPlanBuilder(sctx, is, &utilhint.BlockHintProcessor{}) p, err := builder.Build(ctx, node) if err != nil { return nil, nil, err diff --git a/planner/core/plan_test.go b/planner/core/plan_test.go index 8124c9f48949e..a8723fa081828 100644 --- a/planner/core/plan_test.go +++ b/planner/core/plan_test.go @@ -376,6 +376,16 @@ func compareStringSlice(c *C, ss1, ss2 []string) { } } +func (s *testPlanNormalize) TestExplainFormatHint(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (c1 int not null, c2 int not null, key idx_c2(c2)) partition by range (c2) (partition p0 values less than (10), partition p1 values less than (20))") + + tk.MustQuery("explain format='hint' select /*+ use_index(@`sel_2` `test`.`t2` `idx_c2`), hash_agg(@`sel_2`), use_index(@`sel_1` `test`.`t1` `idx_c2`), hash_agg(@`sel_1`) */ count(1) from t t1 where c2 in (select c2 from t t2 where t2.c2 < 15 and t2.c2 > 12)").Check(testkit.Rows( + "use_index(@`sel_2` `test`.`t2` `idx_c2`), hash_agg(@`sel_2`), use_index(@`sel_1` `test`.`t1` `idx_c2`), hash_agg(@`sel_1`)")) +} + func (s *testPlanNormalize) TestNthPlanHint(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index e124efedd4feb..00c83a5587c92 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -544,8 +544,10 @@ func (b *PlanBuilder) popSelectOffset() { b.selectOffset = b.selectOffset[:len(b.selectOffset)-1] } -// NewPlanBuilder creates a new PlanBuilder. -func NewPlanBuilder(sctx sessionctx.Context, is infoschema.InfoSchema, processor *hint.BlockHintProcessor) *PlanBuilder { +// NewPlanBuilder creates a new PlanBuilder. Return the original PlannerSelectBlockAsName as well, callers decide if +// PlannerSelectBlockAsName should be restored after using this builder. +func NewPlanBuilder(sctx sessionctx.Context, is infoschema.InfoSchema, processor *hint.BlockHintProcessor) (*PlanBuilder, []ast.HintTable) { + savedBlockNames := sctx.GetSessionVars().PlannerSelectBlockAsName if processor == nil { sctx.GetSessionVars().PlannerSelectBlockAsName = nil } else { @@ -557,7 +559,7 @@ func NewPlanBuilder(sctx sessionctx.Context, is infoschema.InfoSchema, processor colMapper: make(map[*ast.ColumnNameExpr]int), handleHelper: &handleColHelper{id2HandleMapStack: make([]map[int64][]HandleCols, 0)}, hintProcessor: processor, - } + }, savedBlockNames } // Build builds the ast node to a Plan. diff --git a/planner/core/planbuilder_test.go b/planner/core/planbuilder_test.go index 357a3a0115696..f3da2e6d0dba9 100644 --- a/planner/core/planbuilder_test.go +++ b/planner/core/planbuilder_test.go @@ -114,7 +114,7 @@ func (s *testPlanBuilderSuite) TestGetPathByIndexName(c *C) { } func (s *testPlanBuilderSuite) TestRewriterPool(c *C) { - builder := NewPlanBuilder(MockContext(), nil, &hint.BlockHintProcessor{}) + builder, _ := NewPlanBuilder(MockContext(), nil, &hint.BlockHintProcessor{}) // Make sure PlanBuilder.getExpressionRewriter() provides clean rewriter from pool. // First, pick one rewriter from the pool and make it dirty. @@ -168,7 +168,7 @@ func (s *testPlanBuilderSuite) TestDisableFold(c *C) { stmt := st.(*ast.SelectStmt) expr := stmt.Fields.Fields[0].Expr - builder := NewPlanBuilder(ctx, nil, &hint.BlockHintProcessor{}) + builder, _ := NewPlanBuilder(ctx, nil, &hint.BlockHintProcessor{}) builder.rewriterCounter++ rewriter := builder.getExpressionRewriter(context.TODO(), nil) c.Assert(rewriter, NotNil) diff --git a/planner/core/prepare_test.go b/planner/core/prepare_test.go index c12b5a6a6da44..133cb6d1b8b99 100644 --- a/planner/core/prepare_test.go +++ b/planner/core/prepare_test.go @@ -195,7 +195,7 @@ func (s *testPlanSerialSuite) TestPrepareCacheDeferredFunction(c *C) { stmt, err := s.ParseOneStmt(sql1, "", "") c.Check(err, IsNil) is := tk.Se.GetSessionVars().TxnCtx.InfoSchema.(infoschema.InfoSchema) - builder := core.NewPlanBuilder(tk.Se, is, &hint.BlockHintProcessor{}) + builder, _ := core.NewPlanBuilder(tk.Se, is, &hint.BlockHintProcessor{}) p, err := builder.Build(ctx, stmt) c.Check(err, IsNil) execPlan, ok := p.(*core.Execute) diff --git a/planner/core/stats_test.go b/planner/core/stats_test.go index 2239d27a5f75e..7a908a4ab6644 100644 --- a/planner/core/stats_test.go +++ b/planner/core/stats_test.go @@ -76,7 +76,7 @@ func (s *testStatsSuite) TestGroupNDVs(c *C) { stmt, err := s.ParseOneStmt(tt, "", "") c.Assert(err, IsNil, comment) core.Preprocess(tk.Se, stmt, is) - builder := core.NewPlanBuilder(tk.Se, is, &hint.BlockHintProcessor{}) + builder, _ := core.NewPlanBuilder(tk.Se, is, &hint.BlockHintProcessor{}) p, err := builder.Build(ctx, stmt) c.Assert(err, IsNil, comment) p, err = core.LogicalOptimize(ctx, builder.GetOptFlag(), p.(core.LogicalPlan)) diff --git a/planner/optimize.go b/planner/optimize.go index 26e9e6088bd4f..997b8b2ca080c 100644 --- a/planner/optimize.go +++ b/planner/optimize.go @@ -221,7 +221,7 @@ func optimize(ctx context.Context, sctx sessionctx.Context, node ast.Node, is in sctx.GetSessionVars().PlanColumnID = 0 hintProcessor := &hint.BlockHintProcessor{Ctx: sctx} node.Accept(hintProcessor) - builder := plannercore.NewPlanBuilder(sctx, is, hintProcessor) + builder, _ := plannercore.NewPlanBuilder(sctx, is, hintProcessor) // reset fields about rewrite sctx.GetSessionVars().RewritePhaseInfo.Reset() @@ -399,7 +399,7 @@ func OptimizeExecStmt(ctx context.Context, sctx sessionctx.Context, execAst *ast.ExecuteStmt, is infoschema.InfoSchema) (plannercore.Plan, error) { defer trace.StartRegion(ctx, "Optimize").End() var err error - builder := plannercore.NewPlanBuilder(sctx, is, nil) + builder, _ := plannercore.NewPlanBuilder(sctx, is, nil) p, err := builder.Build(ctx, execAst) if err != nil { return nil, err From aa4a811d3caae4464188ae78b36e3264a461aa43 Mon Sep 17 00:00:00 2001 From: winkyao Date: Thu, 3 Dec 2020 15:49:46 +0800 Subject: [PATCH 0366/1021] README: replace slack link with an invited link (#21185) --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index bcb42c902c997..367f85b9315f4 100644 --- a/README.md +++ b/README.md @@ -10,7 +10,7 @@ [![Coverage Status](https://codecov.io/gh/pingcap/tidb/branch/master/graph/badge.svg)](https://codecov.io/gh/pingcap/tidb) [![GoDoc](https://img.shields.io/badge/Godoc-reference-blue.svg)](https://godoc.org/github.com/pingcap/tidb) -- [**Slack Channel**](https://pingcap.com/tidbslack/) +- [**Slack Channel**](https://slack.tidb.io) - **Twitter**: [@PingCAP](https://twitter.com/PingCAP) - [**Reddit**](https://www.reddit.com/r/TiDB/) - **Mailing list**: [Google Group](https://groups.google.com/forum/#!forum/tidb-user) From c218c5821853449c266e14076577c34e4a8a1477 Mon Sep 17 00:00:00 2001 From: tangenta Date: Thu, 3 Dec 2020 16:46:18 +0800 Subject: [PATCH 0367/1021] *: support select from tablesample (#20883) --- errno/errcode.go | 1 + errno/errname.go | 2 + errors.toml | 5 + executor/builder.go | 21 ++ executor/sample.go | 405 +++++++++++++++++++++++++++ executor/sample_test.go | 261 +++++++++++++++++ executor/table_reader.go | 4 +- expression/errors.go | 1 + planner/core/find_best_task.go | 31 +- planner/core/initialize.go | 7 + planner/core/logical_plan_builder.go | 8 + planner/core/logical_plans.go | 1 + planner/core/physical_plans.go | 31 ++ planner/core/planbuilder.go | 8 + planner/core/preprocess.go | 7 + planner/core/preprocess_test.go | 7 + table/table.go | 7 +- table/tables/partition.go | 16 ++ table/tables/tables.go | 2 + util/plancodec/id.go | 5 + util/rowDecoder/decoder.go | 9 + 21 files changed, 833 insertions(+), 6 deletions(-) create mode 100644 executor/sample.go create mode 100644 executor/sample_test.go diff --git a/errno/errcode.go b/errno/errcode.go index d07358216dc19..3915ca2904c84 100644 --- a/errno/errcode.go +++ b/errno/errcode.go @@ -985,6 +985,7 @@ const ( ErrBRIERestoreFailed = 8125 ErrBRIEImportFailed = 8126 ErrBRIEExportFailed = 8127 + ErrInvalidTableSample = 8128 // Error codes used by TiDB ddl package ErrUnsupportedDDLOperation = 8200 diff --git a/errno/errname.go b/errno/errname.go index 709c2b662d9b7..fd90c38c0f84b 100644 --- a/errno/errname.go +++ b/errno/errname.go @@ -1027,6 +1027,8 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrBRIEImportFailed: mysql.Message("Import failed: %s", nil), ErrBRIEExportFailed: mysql.Message("Export failed: %s", nil), + ErrInvalidTableSample: mysql.Message("Invalid TABLESAMPLE: %s", nil), + ErrInvalidPlacementSpec: mysql.Message("Invalid placement policy '%s': %s", nil), ErrPlacementPolicyCheck: mysql.Message("Placement policy didn't meet the constraint, reason: %s", nil), diff --git a/errors.toml b/errors.toml index 74a4f90a0bcc9..725b620634d73 100644 --- a/errors.toml +++ b/errors.toml @@ -636,6 +636,11 @@ error = ''' Incorrect type for argument %s in function %s. ''' +["expression:8128"] +error = ''' +Invalid TABLESAMPLE: %s +''' + ["json:3069"] error = ''' Invalid JSON data provided to function %s: %s diff --git a/executor/builder.go b/executor/builder.go index 63a311761ddc4..a432f4483a46d 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -209,6 +209,8 @@ func (b *executorBuilder) build(p plannercore.Plan) Executor { return b.buildAnalyze(v) case *plannercore.PhysicalTableReader: return b.buildTableReader(v) + case *plannercore.PhysicalTableSample: + return b.buildTableSample(v) case *plannercore.PhysicalIndexReader: return b.buildIndexReader(v) case *plannercore.PhysicalIndexLookUpReader: @@ -3934,3 +3936,22 @@ func partitionPruning(ctx sessionctx.Context, tbl table.PartitionedTable, conds func fullRangePartition(idxArr []int) bool { return len(idxArr) == 1 && idxArr[0] == plannercore.FullRange } + +func (b *executorBuilder) buildTableSample(v *plannercore.PhysicalTableSample) *TableSampleExecutor { + startTS, err := b.getSnapshotTS() + if err != nil { + b.err = err + return nil + } + e := &TableSampleExecutor{ + baseExecutor: newBaseExecutor(b.ctx, v.Schema(), v.ID()), + table: v.TableInfo, + startTS: startTS, + } + if v.TableSampleInfo.AstNode.SampleMethod == ast.SampleMethodTypeTiDBRegion { + e.sampler = newTableRegionSampler( + b.ctx, v.TableInfo, startTS, v.TableSampleInfo.Partitions, v.Schema(), + v.TableSampleInfo.FullSchema, e.retFieldTypes, v.Desc) + } + return e +} diff --git a/executor/sample.go b/executor/sample.go new file mode 100644 index 0000000000000..2edd189c02cc9 --- /dev/null +++ b/executor/sample.go @@ -0,0 +1,405 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package executor + +import ( + "context" + "sort" + "time" + + "github.com/opentracing/opentracing-go" + "github.com/pingcap/errors" + "github.com/pingcap/parser/model" + "github.com/pingcap/tidb/expression" + "github.com/pingcap/tidb/kv" + plannercore "github.com/pingcap/tidb/planner/core" + "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/store/tikv" + "github.com/pingcap/tidb/table" + "github.com/pingcap/tidb/tablecodec" + "github.com/pingcap/tidb/types" + "github.com/pingcap/tidb/util/chunk" + decoder "github.com/pingcap/tidb/util/rowDecoder" +) + +var _ Executor = &TableSampleExecutor{} + +const sampleMethodRegionConcurrency = 5 + +// TableSampleExecutor fetches a few rows through kv.Scan +// according to the specific sample method. +type TableSampleExecutor struct { + baseExecutor + + table table.Table + startTS uint64 + tablePlan plannercore.PhysicalPlan + + sampler rowSampler +} + +// Open initializes necessary variables for using this executor. +func (e *TableSampleExecutor) Open(ctx context.Context) error { + if span := opentracing.SpanFromContext(ctx); span != nil && span.Tracer() != nil { + span1 := span.Tracer().StartSpan("TableSampleExecutor.Open", opentracing.ChildOf(span.Context())) + defer span1.Finish() + } + return nil +} + +// Next fills data into the chunk passed by its caller. +// The task was actually done by sampler. +func (e *TableSampleExecutor) Next(ctx context.Context, req *chunk.Chunk) error { + req.Reset() + if e.sampler.finished() { + return nil + } + // TODO(tangenta): add runtime stat & memory tracing + return e.sampler.writeChunk(req) +} + +// Close implements the Executor Close interface. +func (e *TableSampleExecutor) Close() error { + return nil +} + +type rowSampler interface { + writeChunk(req *chunk.Chunk) error + finished() bool +} + +type tableRegionSampler struct { + ctx sessionctx.Context + table table.Table + startTS uint64 + partTables []table.PartitionedTable + schema *expression.Schema + fullSchema *expression.Schema + isDesc bool + retTypes []*types.FieldType + + rowMap map[int64]types.Datum + restKVRanges []kv.KeyRange + isFinished bool +} + +func newTableRegionSampler(ctx sessionctx.Context, t table.Table, startTs uint64, partTables []table.PartitionedTable, + schema *expression.Schema, fullSchema *expression.Schema, retTypes []*types.FieldType, desc bool) *tableRegionSampler { + return &tableRegionSampler{ + ctx: ctx, + table: t, + startTS: startTs, + partTables: partTables, + schema: schema, + fullSchema: fullSchema, + isDesc: desc, + retTypes: retTypes, + rowMap: make(map[int64]types.Datum), + } +} + +func (s *tableRegionSampler) writeChunk(req *chunk.Chunk) error { + err := s.initRanges() + if err != nil { + return err + } + expectedRowCount := req.RequiredRows() + for expectedRowCount > 0 && len(s.restKVRanges) > 0 { + ranges, err := s.pickRanges(expectedRowCount) + if err != nil { + return err + } + err = s.writeChunkFromRanges(ranges, req) + if err != nil { + return err + } + expectedRowCount = req.RequiredRows() - req.NumRows() + } + if len(s.restKVRanges) == 0 { + s.isFinished = true + } + return nil +} + +func (s *tableRegionSampler) initRanges() error { + if s.restKVRanges == nil { + var err error + s.restKVRanges, err = s.splitTableRanges() + if err != nil { + return err + } + sortRanges(s.restKVRanges, s.isDesc) + } + return nil +} + +func (s *tableRegionSampler) pickRanges(count int) ([]kv.KeyRange, error) { + var regionKeyRanges []kv.KeyRange + cutPoint := count + if len(s.restKVRanges) < cutPoint { + cutPoint = len(s.restKVRanges) + } + regionKeyRanges, s.restKVRanges = s.restKVRanges[:cutPoint], s.restKVRanges[cutPoint:] + return regionKeyRanges, nil +} + +func (s *tableRegionSampler) writeChunkFromRanges(ranges []kv.KeyRange, req *chunk.Chunk) error { + decLoc, sysLoc := s.ctx.GetSessionVars().TimeZone, time.UTC + cols, decColMap, err := s.buildSampleColAndDecodeColMap() + if err != nil { + return err + } + rowDecoder := decoder.NewRowDecoder(s.table, cols, decColMap) + err = s.scanFirstKVForEachRange(ranges, func(handle kv.Handle, value []byte) error { + _, err := rowDecoder.DecodeAndEvalRowWithMap(s.ctx, handle, value, decLoc, sysLoc, s.rowMap) + if err != nil { + return err + } + currentRow := rowDecoder.CurrentRowWithDefaultVal() + mutRow := chunk.MutRowFromTypes(s.retTypes) + for i, col := range s.schema.Columns { + offset := decColMap[col.ID].Col.Offset + target := currentRow.GetDatum(offset, s.retTypes[i]) + mutRow.SetDatum(i, target) + } + req.AppendRow(mutRow.ToRow()) + s.resetRowMap() + return nil + }) + return err +} + +func (s *tableRegionSampler) splitTableRanges() ([]kv.KeyRange, error) { + if len(s.partTables) != 0 { + var ranges []kv.KeyRange + for _, t := range s.partTables { + for _, pid := range t.GetAllPartitionIDs() { + start := tablecodec.GenTableRecordPrefix(pid) + end := start.PrefixNext() + rs, err := splitIntoMultiRanges(s.ctx.GetStore(), start, end) + if err != nil { + return nil, err + } + ranges = append(ranges, rs...) + } + } + return ranges, nil + } + startKey, endKey := s.table.RecordPrefix(), s.table.RecordPrefix().PrefixNext() + return splitIntoMultiRanges(s.ctx.GetStore(), startKey, endKey) +} + +func splitIntoMultiRanges(store kv.Storage, startKey, endKey kv.Key) ([]kv.KeyRange, error) { + kvRange := kv.KeyRange{StartKey: startKey, EndKey: endKey} + + s, ok := store.(tikv.Storage) + if !ok { + return []kv.KeyRange{kvRange}, nil + } + + maxSleep := 10000 // ms + bo := tikv.NewBackofferWithVars(context.Background(), maxSleep, nil) + var ranges []kv.KeyRange + regions, err := s.GetRegionCache().LoadRegionsInKeyRange(bo, startKey, endKey) + if err != nil { + return nil, errors.Trace(err) + } + for _, r := range regions { + start, end := r.StartKey(), r.EndKey() + if kv.Key(start).Cmp(startKey) < 0 { + start = startKey + } + if kv.Key(end).Cmp(endKey) > 0 { + end = endKey + } + ranges = append(ranges, kv.KeyRange{StartKey: start, EndKey: end}) + } + if len(ranges) == 0 { + return nil, errors.Trace(errors.Errorf("no regions found")) + } + return ranges, nil +} + +func sortRanges(ranges []kv.KeyRange, isDesc bool) { + sort.Slice(ranges, func(i, j int) bool { + ir, jr := ranges[i].StartKey, ranges[j].StartKey + if !isDesc { + return ir.Cmp(jr) < 0 + } + return ir.Cmp(jr) > 0 + }) +} + +func (s *tableRegionSampler) buildSampleColAndDecodeColMap() ([]*table.Column, map[int64]decoder.Column, error) { + schemaCols := s.schema.Columns + cols := make([]*table.Column, 0, len(schemaCols)) + colMap := make(map[int64]decoder.Column, len(schemaCols)) + tableCols := s.table.Cols() + + for _, schemaCol := range schemaCols { + for _, tableCol := range tableCols { + if tableCol.ID != schemaCol.ID { + continue + } + // The `MutRow` produced by `DecodeAndEvalRowWithMap` used `ColumnInfo.Offset` as indices. + // To evaluate the columns in virtual generated expression properly, + // indices of column(Column.Index) needs to be resolved against full column's schema. + if schemaCol.VirtualExpr != nil { + var err error + schemaCol.VirtualExpr, err = schemaCol.VirtualExpr.ResolveIndices(s.fullSchema) + if err != nil { + return nil, nil, err + } + } + colMap[tableCol.ID] = decoder.Column{ + Col: tableCol, + GenExpr: schemaCol.VirtualExpr, + } + cols = append(cols, tableCol) + } + } + // Schema columns contain _tidb_rowid, append extra handle column info. + if len(cols) < len(schemaCols) && schemaCols[len(schemaCols)-1].ID == model.ExtraHandleID { + extraHandle := model.NewExtraHandleColInfo() + extraHandle.Offset = len(cols) + tableCol := &table.Column{ColumnInfo: extraHandle} + colMap[model.ExtraHandleID] = decoder.Column{ + Col: tableCol, + } + cols = append(cols, tableCol) + } + return cols, colMap, nil +} + +func (s *tableRegionSampler) scanFirstKVForEachRange(ranges []kv.KeyRange, + fn func(handle kv.Handle, value []byte) error) error { + ver := kv.Version{Ver: s.startTS} + snap := s.ctx.GetStore().GetSnapshot(ver) + concurrency := sampleMethodRegionConcurrency + if len(ranges) < concurrency { + concurrency = len(ranges) + } + + fetchers := make([]*sampleFetcher, concurrency) + for i := 0; i < concurrency; i++ { + fetchers[i] = &sampleFetcher{ + workerID: i, + concurrency: concurrency, + kvChan: make(chan *sampleKV), + snapshot: snap, + ranges: ranges, + } + go fetchers[i].run() + } + syncer := sampleSyncer{ + fetchers: fetchers, + totalCount: len(ranges), + consumeFn: fn, + } + return syncer.sync() +} + +func (s *tableRegionSampler) resetRowMap() { + if s.rowMap == nil { + colLen := len(s.schema.Columns) + s.rowMap = make(map[int64]types.Datum, colLen) + return + } + for id := range s.rowMap { + delete(s.rowMap, id) + } +} + +func (s *tableRegionSampler) finished() bool { + return s.isFinished +} + +type sampleKV struct { + handle kv.Handle + value []byte +} + +type sampleFetcher struct { + workerID int + concurrency int + kvChan chan *sampleKV + err error + snapshot kv.Snapshot + ranges []kv.KeyRange +} + +func (s *sampleFetcher) run() { + defer close(s.kvChan) + for i, r := range s.ranges { + if i%s.concurrency != s.workerID { + continue + } + it, err := s.snapshot.Iter(r.StartKey, r.EndKey) + if err != nil { + s.err = err + return + } + hasValue := false + for it.Valid() { + if !tablecodec.IsRecordKey(it.Key()) { + if err = it.Next(); err != nil { + s.err = err + return + } + continue + } + handle, err := tablecodec.DecodeRowKey(it.Key()) + if err != nil { + s.err = err + return + } + hasValue = true + s.kvChan <- &sampleKV{handle: handle, value: it.Value()} + break + } + if !hasValue { + s.kvChan <- nil + } + } +} + +type sampleSyncer struct { + fetchers []*sampleFetcher + totalCount int + consumeFn func(handle kv.Handle, value []byte) error +} + +func (s *sampleSyncer) sync() error { + defer func() { + for _, f := range s.fetchers { + // Cleanup channels to terminate fetcher goroutines. + for _, ok := <-f.kvChan; ok; { + } + } + }() + for i := 0; i < s.totalCount; i++ { + f := s.fetchers[i%len(s.fetchers)] + v, ok := <-f.kvChan + if f.err != nil { + return f.err + } + if ok && v != nil { + err := s.consumeFn(v.handle, v.value) + if err != nil { + return err + } + } + } + return nil +} diff --git a/executor/sample_test.go b/executor/sample_test.go new file mode 100644 index 0000000000000..3c005ea888fd2 --- /dev/null +++ b/executor/sample_test.go @@ -0,0 +1,261 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package executor_test + +import ( + "flag" + "sync/atomic" + + . "github.com/pingcap/check" + "github.com/pingcap/tidb/ddl" + "github.com/pingcap/tidb/domain" + "github.com/pingcap/tidb/errno" + "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/session" + "github.com/pingcap/tidb/store/mockstore" + "github.com/pingcap/tidb/store/mockstore/cluster" + "github.com/pingcap/tidb/util/mock" + "github.com/pingcap/tidb/util/testkit" +) + +var _ = SerialSuites(&testTableSampleSuite{}) + +type testTableSampleSuite struct { + cluster cluster.Cluster + store kv.Storage + domain *domain.Domain + ctx *mock.Context +} + +func (s *testTableSampleSuite) SetUpSuite(c *C) { + flag.Lookup("mockTikv") + useMockTikv := *mockTikv + if useMockTikv { + store, err := mockstore.NewMockStore( + mockstore.WithClusterInspector(func(c cluster.Cluster) { + mockstore.BootstrapWithSingleStore(c) + s.cluster = c + }), + ) + c.Assert(err, IsNil) + s.store = store + session.SetSchemaLease(0) + session.DisableStats4Test() + } + d, err := session.BootstrapSession(s.store) + c.Assert(err, IsNil) + d.SetStatsUpdating(true) + s.domain = d +} + +func (s *testTableSampleSuite) initSampleTest(c *C) *testkit.TestKit { + atomic.StoreUint32(&ddl.EnableSplitTableRegion, 1) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("drop database if exists test_table_sample;") + tk.MustExec("create database test_table_sample;") + tk.MustExec("use test_table_sample;") + tk.MustExec("set @@global.tidb_scatter_region=1;") + return tk +} + +func (s *testTableSampleSuite) TestTableSampleBasic(c *C) { + tk := s.initSampleTest(c) + tk.MustExec("create table t (a int);") + tk.MustQuery("select * from t tablesample regions();").Check(testkit.Rows()) + + tk.MustExec("insert into t values (0), (1000), (2000);") + tk.MustQuery("select * from t tablesample regions();").Check(testkit.Rows("0")) + tk.MustExec("alter table t add column b varchar(255) not null default 'abc';") + tk.MustQuery("select b from t tablesample regions();").Check(testkit.Rows("abc")) + tk.MustExec("alter table t add column c int as (a + 1);") + tk.MustQuery("select c from t tablesample regions();").Check(testkit.Rows("1")) + tk.MustQuery("select c, _tidb_rowid from t tablesample regions();").Check(testkit.Rows("1 1")) + c.Assert(tk.HasPlan("select * from t tablesample regions();", "TableSample"), IsTrue) + + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t(a BIGINT PRIMARY KEY AUTO_RANDOM(3), b int auto_increment, key(b)) pre_split_regions=8;") + tk.MustQuery("select * from t tablesample regions();").Check(testkit.Rows()) + for i := 0; i < 1000; i++ { + tk.MustExec("insert into t values();") + } + tk.MustQuery("select count(*) from t tablesample regions();").Check(testkit.Rows("8")) + + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t(a varchar(30) collate utf8mb4_general_ci primary key);") + tk.MustQuery("split table t between ('a') and ('z') regions 100;").Check(testkit.Rows("99 1")) + tk.MustExec("insert into t values ('a'), ('b'), ('c'), ('d'), ('e');") + tk.MustQuery("select a from t tablesample regions() limit 2;").Check(testkit.Rows("a", "b")) +} + +func (s *testTableSampleSuite) TestTableSampleMultiRegions(c *C) { + tk := s.initSampleTest(c) + tk.MustExec("create table t (a int) shard_row_id_bits = 2 pre_split_regions = 2;") + for i := 0; i < 100; i++ { + tk.MustExec("insert into t values (?);", i) + } + rows := tk.MustQuery("select * from t tablesample regions();").Rows() + c.Assert(len(rows), Equals, 4) + tk.MustQuery("select a from t tablesample regions() order by a limit 1;").Check(testkit.Rows("0")) + tk.MustQuery("select a from t tablesample regions() where a = 0;").Check(testkit.Rows("0")) + + tk.MustExec("create table t2 (a int) shard_row_id_bits = 2 pre_split_regions = 2;") + for i := 0; i < 100; i++ { + tk.MustExec("insert into t2 values (?);", i) + } + rows = tk.MustQuery("select * from t tablesample regions(), t2 tablesample regions();").Rows() + c.Assert(len(rows), Equals, 16) + tk.MustQuery("select count(*) from t tablesample regions();").Check(testkit.Rows("4")) + tk.MustExec("drop table t2;") +} + +func (s *testTableSampleSuite) TestTableSampleSchema(c *C) { + tk := s.initSampleTest(c) + // Clustered index + tk.MustExec("create table t (a varchar(255) primary key, b bigint);") + tk.MustExec("insert into t values ('b', 100), ('y', 100);") + tk.MustQuery("split table t between ('a') and ('z') regions 2;").Check(testkit.Rows("1 1")) + tk.MustQuery("select a from t tablesample regions();").Check(testkit.Rows("b", "y")) + + tk.MustExec("drop table t;") + tk.MustExec("create table t (a varchar(255), b int, c decimal, primary key (a, b, c));") + tk.MustQuery("split table t between ('a', 0, 0) and ('z', 100, 100) regions 2;").Check(testkit.Rows("1 1")) + tk.MustExec("insert into t values ('b', 10, 100), ('y', 100, 10);") + tk.MustQuery("select * from t tablesample regions();").Check(testkit.Rows("b 10 100", "y 100 10")) + + // PKIsHandle + tk.MustExec("drop table t;") + tk.MustExec("create table t (a bigint primary key, b int default 10);") + tk.MustQuery("split table t between (1) and (100000) regions 4;").Check(testkit.Rows("3 1")) + tk.MustExec("insert into t(a) values (200), (25600), (50300), (99900), (99901)") + tk.MustQuery("select a from t tablesample regions();").Check(testkit.Rows("200", "25600", "50300", "99900")) + + // _tidb_rowid + tk.MustExec("drop table t;") + tk.MustExec("create table t (a bigint, b int default 10);") + tk.MustQuery("split table t between (0) and (100000) regions 4;").Check(testkit.Rows("3 1")) + tk.MustExec("insert into t(a) values (1), (2), (3);") + tk.MustQuery("select a from t tablesample regions();").Check(testkit.Rows("1")) +} + +func (s *testTableSampleSuite) TestTableSampleInvalid(c *C) { + tk := s.initSampleTest(c) + tk.MustExec("create table t (a int, b varchar(255));") + tk.MustExec("insert into t values (1, 'abc');") + tk.MustExec("create view v as select * from t;") + tk.MustGetErrCode("select * from v tablesample regions();", errno.ErrInvalidTableSample) + tk.MustGetErrCode("select * from information_schema.tables tablesample regions();", errno.ErrInvalidTableSample) + + tk.MustGetErrCode("select a from t tablesample system();", errno.ErrInvalidTableSample) + tk.MustGetErrCode("select a from t tablesample bernoulli(10 percent);", errno.ErrInvalidTableSample) + tk.MustGetErrCode("select a from t as t1 tablesample regions(), t as t2 tablesample system();", errno.ErrInvalidTableSample) + tk.MustGetErrCode("select a from t tablesample ();", errno.ErrInvalidTableSample) +} + +func (s *testTableSampleSuite) TestTableSampleWithTiDBRowID(c *C) { + tk := s.initSampleTest(c) + tk.MustExec("create table t (a int, b varchar(255));") + tk.MustExec("insert into t values (1, 'abc');") + tk.MustQuery("select _tidb_rowid from t tablesample regions();").Check(testkit.Rows("1")) + tk.MustQuery("select a, _tidb_rowid from t tablesample regions();").Check(testkit.Rows("1 1")) + tk.MustQuery("select _tidb_rowid, b from t tablesample regions();").Check(testkit.Rows("1 abc")) + tk.MustQuery("select b, _tidb_rowid, a from t tablesample regions();").Check(testkit.Rows("abc 1 1")) +} + +func (s *testTableSampleSuite) TestTableSampleWithPartition(c *C) { + tk := s.initSampleTest(c) + tk.MustExec("create table t (a int, b varchar(255), primary key (a)) partition by hash(a) partitions 2;") + tk.MustExec("insert into t values (1, '1'), (2, '2'), (3, '3');") + rows := tk.MustQuery("select * from t tablesample regions();").Rows() + c.Assert(len(rows), Equals, 2) + + tk.MustExec("delete from t;") + tk.MustExec("insert into t values (1, '1');") + rows = tk.MustQuery("select * from t partition (p0) tablesample regions();").Rows() + c.Assert(len(rows), Equals, 0) + rows = tk.MustQuery("select * from t partition (p1) tablesample regions();").Rows() + c.Assert(len(rows), Equals, 1) +} + +func (s *testTableSampleSuite) TestTableSampleGeneratedColumns(c *C) { + tk := s.initSampleTest(c) + tk.MustExec("create table t (a int primary key, b int as (a + 1), c int as (b + 1), d int as (c + 1));") + tk.MustQuery("split table t between (0) and (10000) regions 4;").Check(testkit.Rows("3 1")) + tk.MustExec("insert into t(a) values (1), (2), (2999), (4999), (9999);") + tk.MustQuery("select a from t tablesample regions()").Check(testkit.Rows("1", "2999", "9999")) + tk.MustQuery("select c from t tablesample regions()").Check(testkit.Rows("3", "3001", "10001")) + tk.MustQuery("select a, b from t tablesample regions()").Check( + testkit.Rows("1 2", "2999 3000", "9999 10000")) + tk.MustQuery("select d, c from t tablesample regions()").Check( + testkit.Rows("4 3", "3002 3001", "10002 10001")) + tk.MustQuery("select a, d from t tablesample regions()").Check( + testkit.Rows("1 4", "2999 3002", "9999 10002")) +} + +func (s *testTableSampleSuite) TestTableSampleUnionScanIgnorePendingKV(c *C) { + tk := s.initSampleTest(c) + tk.MustExec("create table t (a int primary key);") + tk.MustQuery("split table t between (0) and (40000) regions 4;").Check(testkit.Rows("3 1")) + tk.MustExec("insert into t values (1), (1000), (10002);") + tk.MustQuery("select * from t tablesample regions();").Check(testkit.Rows("1", "10002")) + + tk.MustExec("begin;") + tk.MustExec("insert into t values (20006), (50000);") + // The memory DB values in transactions are ignored. + tk.MustQuery("select * from t tablesample regions();").Check(testkit.Rows("1", "10002")) + tk.MustExec("delete from t where a = 1;") + // The memory DB values in transactions are ignored. + tk.MustQuery("select * from t tablesample regions();").Check(testkit.Rows("1", "10002")) + tk.MustExec("commit;") + tk.MustQuery("select * from t tablesample regions();").Check(testkit.Rows("1000", "10002", "20006", "50000")) +} + +func (s *testTableSampleSuite) TestTableSampleTransactionConsistency(c *C) { + tk := s.initSampleTest(c) + tk2 := s.initSampleTest(c) + tk.MustExec("create table t (a int primary key);") + tk.MustQuery("split table t between (0) and (40000) regions 4;").Check(testkit.Rows("3 1")) + tk.MustExec("insert into t values (1), (1000), (10002);") + + tk.MustExec("begin;") + tk.MustQuery("select * from t tablesample regions();").Check(testkit.Rows("1", "10002")) + tk2.MustExec("insert into t values (20006), (50000);") + tk.MustQuery("select * from t tablesample regions();").Check(testkit.Rows("1", "10002")) + tk.MustExec("commit;") + tk.MustQuery("select * from t tablesample regions();").Check(testkit.Rows("1", "10002", "20006", "50000")) +} + +func (s *testTableSampleSuite) TestTableSampleNotSupportedPlanWarning(c *C) { + tk := s.initSampleTest(c) + tk.MustExec("create table t (a int primary key, b int, c varchar(255));") + tk.MustQuery("split table t between (0) and (10000) regions 5;").Check(testkit.Rows("4 1")) + tk.MustExec("insert into t values (1000, 1, '1'), (1001, 1, '1'), (2100, 2, '2'), (4500, 3, '3');") + + tk.MustExec("create index idx_0 on t (b);") + tk.MustQuery("select a from t tablesample regions() order by a;").Check( + testkit.Rows("1000", "2100", "4500")) + tk.MustQuery("select a from t use index (idx_0) tablesample regions() order by a;").Check( + testkit.Rows("1000", "1001", "2100", "4500")) + tk.MustQuery("show warnings;").Check(testkit.Rows("Warning 8128 Invalid TABLESAMPLE: plan not supported")) +} + +func (s *testTableSampleSuite) TestMaxChunkSize(c *C) { + tk := s.initSampleTest(c) + tk.MustExec("create table t (a int) shard_row_id_bits = 2 pre_split_regions = 2;") + for i := 0; i < 100; i++ { + tk.MustExec("insert into t values (?);", i) + } + tk.Se.GetSessionVars().MaxChunkSize = 1 + rows := tk.MustQuery("select * from t tablesample regions();").Rows() + c.Assert(len(rows), Equals, 4) +} diff --git a/executor/table_reader.go b/executor/table_reader.go index 9167993c8fc50..3c5f7fade5ab1 100644 --- a/executor/table_reader.go +++ b/executor/table_reader.go @@ -63,7 +63,7 @@ type TableReaderExecutor struct { table table.Table // The source of key ranges varies from case to case. - // It may be calculated from PyhsicalPlan by executorBuilder, or calculated from argument by dataBuilder; + // It may be calculated from PhysicalPlan by executorBuilder, or calculated from argument by dataBuilder; // It may be calculated from ranger.Ranger, or calculated from handles. // The table ID may also change because of the partition table, and causes the key range to change. // So instead of keeping a `range` struct field, it's better to define a interface. @@ -105,7 +105,7 @@ type TableReaderExecutor struct { batchCop bool } -// Open initialzes necessary variables for using this executor. +// Open initializes necessary variables for using this executor. func (e *TableReaderExecutor) Open(ctx context.Context) error { if span := opentracing.SpanFromContext(ctx); span != nil && span.Tracer() != nil { span1 := span.Tracer().StartSpan("TableReaderExecutor.Open", opentracing.ChildOf(span.Context())) diff --git a/expression/errors.go b/expression/errors.go index 17d3dcd855735..071b861d010ab 100644 --- a/expression/errors.go +++ b/expression/errors.go @@ -32,6 +32,7 @@ var ( ErrFunctionsNoopImpl = dbterror.ClassExpression.NewStdErr(mysql.ErrNotSupportedYet, pmysql.Message("function %s has only noop implementation in tidb now, use tidb_enable_noop_functions to enable these functions", nil)) ErrInvalidArgumentForLogarithm = dbterror.ClassExpression.NewStd(mysql.ErrInvalidArgumentForLogarithm) ErrIncorrectType = dbterror.ClassExpression.NewStd(mysql.ErrIncorrectType) + ErrInvalidTableSample = dbterror.ClassExpression.NewStd(mysql.ErrInvalidTableSample) // All the un-exported errors are defined here: errFunctionNotExists = dbterror.ClassExpression.NewStd(mysql.ErrSpDoesNotExist) diff --git a/planner/core/find_best_task.go b/planner/core/find_best_task.go index c4142d4237338..71f53e30f3dd2 100644 --- a/planner/core/find_best_task.go +++ b/planner/core/find_best_task.go @@ -644,6 +644,12 @@ func (ds *DataSource) findBestTask(prop *property.PhysicalProperty, planCounter t = enforceProperty(prop, t, ds.basePlan.ctx) } ds.storeTask(prop, t) + if ds.SampleInfo != nil && !t.invalid() { + if _, ok := t.plan().(*PhysicalTableSample); !ok { + warning := expression.ErrInvalidTableSample.GenWithStackByArgs("plan not supported") + ds.ctx.GetSessionVars().StmtCtx.AppendWarning(warning) + } + } }() t, err = ds.tryToGetDualTask() @@ -736,7 +742,12 @@ func (ds *DataSource) findBestTask(prop *property.PhysicalProperty, planCounter if ds.preferStoreType&preferTiKV != 0 && path.StoreType == kv.TiFlash { continue } - tblTask, err := ds.convertToTableScan(prop, candidate) + var tblTask task + if ds.SampleInfo != nil { + tblTask, err = ds.convertToSampleTable(prop, candidate) + } else { + tblTask, err = ds.convertToTableScan(prop, candidate) + } if err != nil { return nil, 0, err } @@ -1494,6 +1505,24 @@ func (ds *DataSource) convertToTableScan(prop *property.PhysicalProperty, candid return task, nil } +func (ds *DataSource) convertToSampleTable(prop *property.PhysicalProperty, candidate *candidatePath) (task task, err error) { + if prop.TaskTp == property.CopDoubleReadTaskType { + return invalidTask, nil + } + if !prop.IsEmpty() && !candidate.isMatchProp { + return invalidTask, nil + } + p := PhysicalTableSample{ + TableSampleInfo: ds.SampleInfo, + TableInfo: ds.table, + Desc: candidate.isMatchProp && prop.SortItems[0].Desc, + }.Init(ds.ctx, ds.SelectBlockOffset()) + p.schema = ds.schema + return &rootTask{ + p: p, + }, nil +} + func (ds *DataSource) convertToPointGet(prop *property.PhysicalProperty, candidate *candidatePath) task { if !prop.IsEmpty() && !candidate.isMatchProp { return invalidTask diff --git a/planner/core/initialize.go b/planner/core/initialize.go index e156365249960..1c657a4903d80 100644 --- a/planner/core/initialize.go +++ b/planner/core/initialize.go @@ -432,6 +432,13 @@ func (p PhysicalTableReader) Init(ctx sessionctx.Context, offset int) *PhysicalT return &p } +// Init initializes PhysicalTableSample. +func (p PhysicalTableSample) Init(ctx sessionctx.Context, offset int) *PhysicalTableSample { + p.basePhysicalPlan = newBasePhysicalPlan(ctx, plancodec.TypeTableSample, &p, offset) + p.stats = &property.StatsInfo{RowCount: 1} + return &p +} + // Init initializes PhysicalIndexReader. func (p PhysicalIndexReader) Init(ctx sessionctx.Context, offset int) *PhysicalIndexReader { p.basePhysicalPlan = newBasePhysicalPlan(ctx, plancodec.TypeIndexReader, &p, offset) diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index e02e46dee1dab..90e2f43df09a1 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -3037,10 +3037,16 @@ func (b *PlanBuilder) buildDataSource(ctx context.Context, tn *ast.TableName, as b.visitInfo = appendVisitInfo(b.visitInfo, mysql.SelectPriv, dbName.L, tableInfo.Name.L, "", authErr) if tbl.Type().IsVirtualTable() { + if tn.TableSample != nil { + return nil, expression.ErrInvalidTableSample.GenWithStackByArgs("Unsupported TABLESAMPLE in virtual tables") + } return b.buildMemTable(ctx, dbName, tableInfo) } if tableInfo.IsView() { + if tn.TableSample != nil { + return nil, expression.ErrInvalidTableSample.GenWithStackByArgs("Unsupported TABLESAMPLE in views") + } return b.BuildDataSourceFromView(ctx, dbName, tableInfo) } @@ -3223,6 +3229,8 @@ func (b *PlanBuilder) buildDataSource(ctx context.Context, tn *ast.TableName, as ds.SetSchema(schema) ds.names = names ds.setPreferredStoreType(b.TableHints()) + ds.SampleInfo = NewTableSampleInfo(tn.TableSample, schema.Clone(), b.partitionedTable) + b.isSampling = ds.SampleInfo != nil // Init commonHandleCols and commonHandleLens for data source. if tableInfo.IsCommonHandle { diff --git a/planner/core/logical_plans.go b/planner/core/logical_plans.go index 8114c82631e35..cc5f90e473eb1 100644 --- a/planner/core/logical_plans.go +++ b/planner/core/logical_plans.go @@ -515,6 +515,7 @@ type DataSource struct { preferStoreType int // preferPartitions store the map, the key represents store type, the value represents the partition name list. preferPartitions map[int][]model.CIStr + SampleInfo *TableSampleInfo } // ExtractCorrelatedCols implements LogicalPlan interface. diff --git a/planner/core/physical_plans.go b/planner/core/physical_plans.go index 3dac095061b01..ee39657597167 100644 --- a/planner/core/physical_plans.go +++ b/planner/core/physical_plans.go @@ -62,6 +62,7 @@ var ( _ PhysicalPlan = &PhysicalShuffle{} _ PhysicalPlan = &PhysicalShuffleReceiverStub{} _ PhysicalPlan = &BatchPointGetPlan{} + _ PhysicalPlan = &PhysicalTableSample{} ) // PhysicalTableReader is the table reader in tidb. @@ -469,6 +470,8 @@ type PhysicalTableScan struct { isChildOfIndexLookUp bool PartitionInfo PartitionInfo + + SampleInfo *TableSampleInfo } // Clone implements PhysicalPlan interface. @@ -1329,3 +1332,31 @@ func SafeClone(v PhysicalPlan) (_ PhysicalPlan, err error) { }() return v.Clone() } + +// PhysicalTableSample represents a table sample plan. +// It returns the sample rows to its parent operand. +type PhysicalTableSample struct { + physicalSchemaProducer + TableSampleInfo *TableSampleInfo + TableInfo table.Table + Desc bool +} + +// TableSampleInfo contains the information for PhysicalTableSample. +type TableSampleInfo struct { + AstNode *ast.TableSample + FullSchema *expression.Schema + Partitions []table.PartitionedTable +} + +// NewTableSampleInfo creates a new TableSampleInfo. +func NewTableSampleInfo(node *ast.TableSample, fullSchema *expression.Schema, pt []table.PartitionedTable) *TableSampleInfo { + if node == nil { + return nil + } + return &TableSampleInfo{ + AstNode: node, + FullSchema: fullSchema, + Partitions: pt, + } +} diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index 00c83a5587c92..9bad6169aa178 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -454,6 +454,9 @@ type PlanBuilder struct { // evalDefaultExpr needs this information to find the corresponding column. // It stores the OutputNames before buildProjection. allNames [][]*types.FieldName + + // isSampling indicates whether the query is sampling. + isSampling bool } type handleColHelper struct { @@ -526,6 +529,11 @@ func (b *PlanBuilder) GetDBTableInfo() []stmtctx.TableEntry { // GetOptFlag gets the optFlag of the PlanBuilder. func (b *PlanBuilder) GetOptFlag() uint64 { + if b.isSampling { + // Disable logical optimization to avoid the optimizer + // push down/eliminate operands like Selection, Limit or Sort. + return 0 + } return b.optFlag } diff --git a/planner/core/preprocess.go b/planner/core/preprocess.go index 2bdec8654a4e9..91600295ce1f0 100644 --- a/planner/core/preprocess.go +++ b/planner/core/preprocess.go @@ -193,6 +193,13 @@ func (p *preprocessor) Enter(in ast.Node) (out ast.Node, skipChildren bool) { if _, ok := node.Source.(*ast.SelectStmt); ok && !isModeOracle && len(node.AsName.L) == 0 { p.err = ddl.ErrDerivedMustHaveAlias.GenWithStackByArgs() } + if v, ok := node.Source.(*ast.TableName); ok && v.TableSample != nil { + switch v.TableSample.SampleMethod { + case ast.SampleMethodTypeTiDBRegion: + default: + p.err = expression.ErrInvalidTableSample.GenWithStackByArgs("Only supports REGIONS sampling method") + } + } case *ast.CreateStatisticsStmt, *ast.DropStatisticsStmt: p.checkStatisticsOpGrammar(in) default: diff --git a/planner/core/preprocess_test.go b/planner/core/preprocess_test.go index c453fc5d012bb..3a50e6cfe3b28 100644 --- a/planner/core/preprocess_test.go +++ b/planner/core/preprocess_test.go @@ -23,6 +23,7 @@ import ( "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/ddl" "github.com/pingcap/tidb/domain" + "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/meta/autoid" @@ -269,6 +270,12 @@ func (s *testValidatorSuite) TestValidator(c *C) { {"CREATE TABLE t (a int, index(a));", false, nil}, {"CREATE INDEX `` on t (a);", true, errors.New("[ddl:1280]Incorrect index name ''")}, {"CREATE INDEX `` on t ((lower(a)));", true, errors.New("[ddl:1280]Incorrect index name ''")}, + + // TABLESAMPLE + {"select * from t tablesample bernoulli();", false, expression.ErrInvalidTableSample}, + {"select * from t tablesample bernoulli(10 rows);", false, expression.ErrInvalidTableSample}, + {"select * from t tablesample bernoulli(23 percent) repeatable (23);", false, expression.ErrInvalidTableSample}, + {"select * from t tablesample system() repeatable (10);", false, expression.ErrInvalidTableSample}, } _, err := s.se.Execute(context.Background(), "use test") diff --git a/table/table.go b/table/table.go index a43fe104bdb6f..cdcefe54f9b57 100644 --- a/table/table.go +++ b/table/table.go @@ -34,11 +34,11 @@ import ( type Type int16 const ( - // NormalTable , store data in tikv, mocktikv and so on. + // NormalTable stores data in tikv, mocktikv and so on. NormalTable Type = iota - // VirtualTable , store no data, just extract data from the memory struct. + // VirtualTable stores no data, just extract data from the memory struct. VirtualTable - // ClusterTable , contain the `VirtualTable` in the all cluster tidb nodes. + // ClusterTable contains the `VirtualTable` in the all cluster tidb nodes. ClusterTable ) @@ -260,6 +260,7 @@ type PartitionedTable interface { Table GetPartition(physicalID int64) PhysicalTable GetPartitionByRow(sessionctx.Context, []types.Datum) (PhysicalTable, error) + GetAllPartitionIDs() []int64 } // TableFromMeta builds a table.Table from *model.TableInfo. diff --git a/table/tables/partition.go b/table/tables/partition.go index 63e4bba7e2cb1..323277e7960c6 100644 --- a/table/tables/partition.go +++ b/table/tables/partition.go @@ -834,6 +834,14 @@ func (t *partitionTableWithGivenSets) AddRecord(ctx sessionctx.Context, r []type return partitionedTableAddRecord(ctx, t.partitionedTable, r, t.partitions, opts) } +func (t *partitionTableWithGivenSets) GetAllPartitionIDs() []int64 { + ptIDs := make([]int64, 0, len(t.partitions)) + for id := range t.partitions { + ptIDs = append(ptIDs, id) + } + return ptIDs +} + // RemoveRecord implements table.Table RemoveRecord interface. func (t *partitionedTable) RemoveRecord(ctx sessionctx.Context, h kv.Handle, r []types.Datum) error { partitionInfo := t.meta.GetPartitionInfo() @@ -846,6 +854,14 @@ func (t *partitionedTable) RemoveRecord(ctx sessionctx.Context, h kv.Handle, r [ return tbl.RemoveRecord(ctx, h, r) } +func (t *partitionedTable) GetAllPartitionIDs() []int64 { + ptIDs := make([]int64, 0, len(t.partitions)) + for id := range t.partitions { + ptIDs = append(ptIDs, id) + } + return ptIDs +} + // UpdateRecord implements table.Table UpdateRecord interface. // `touched` means which columns are really modified, used for secondary indices. // Length of `oldData` and `newData` equals to length of `t.WritableCols()`. diff --git a/table/tables/tables.go b/table/tables/tables.go index c49b91db9ebbc..5fa6df1b5b6e1 100644 --- a/table/tables/tables.go +++ b/table/tables/tables.go @@ -713,6 +713,8 @@ func (t *TableCommon) AddRecord(sctx sessionctx.Context, r []types.Datum, opts . writeBufs := sessVars.GetWriteStmtBufs() adjustRowValuesBuf(writeBufs, len(row)) key := t.RecordKey(recordID) + logutil.BgLogger().Debug("addRecord", + zap.Stringer("key", key)) sc, rd := sessVars.StmtCtx, &sessVars.RowEncoder writeBufs.RowValBuf, err = tablecodec.EncodeRow(sc, row, colIDs, writeBufs.RowValBuf, writeBufs.AddRowValues, rd) if err != nil { diff --git a/util/plancodec/id.go b/util/plancodec/id.go index ea52b48250fd4..5d59787e6a4f6 100644 --- a/util/plancodec/id.go +++ b/util/plancodec/id.go @@ -110,6 +110,8 @@ const ( TypeDataSource = "DataSource" // TypeLoadData is the type of LoadData. TypeLoadData = "LoadData" + // TypeTableSample is the type of TableSample. + TypeTableSample = "TableSample" ) // plan id. @@ -156,6 +158,7 @@ const ( typeClusterMemTableReader int = 39 typeDataSourceID int = 40 typeLoadDataID int = 41 + typeTableSampleID int = 42 ) // TypeStringToPhysicalID converts the plan type string to plan id. @@ -243,6 +246,8 @@ func TypeStringToPhysicalID(tp string) int { return typeDataSourceID case TypeLoadData: return typeLoadDataID + case TypeTableSample: + return typeTableSampleID } // Should never reach here. return 0 diff --git a/util/rowDecoder/decoder.go b/util/rowDecoder/decoder.go index eae2b6bad0740..298ed887aba62 100644 --- a/util/rowDecoder/decoder.go +++ b/util/rowDecoder/decoder.go @@ -17,6 +17,7 @@ import ( "sort" "time" + "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/kv" @@ -72,6 +73,8 @@ func NewRowDecoder(tbl table.Table, cols []*table.Column, decodeColMap map[int64 pkCols = tables.TryGetCommonPkColumnIds(tbl.Meta()) case tblInfo.PKIsHandle: pkCols = []int64{tblInfo.GetPkColInfo().ID} + default: // support decoding _tidb_rowid. + pkCols = []int64{model.ExtraHandleID} } return &RowDecoder{ tbl: tbl, @@ -167,3 +170,9 @@ func BuildFullDecodeColMap(cols []*table.Column, schema *expression.Schema) map[ } return decodeColMap } + +// CurrentRowWithDefaultVal returns current decoding row with default column values set properly. +// Please make sure calling DecodeAndEvalRowWithMap first. +func (rd *RowDecoder) CurrentRowWithDefaultVal() chunk.Row { + return rd.mutRow.ToRow() +} From 081e3a99c5118c250044e294d53b865083a307f0 Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Thu, 3 Dec 2020 16:57:56 +0800 Subject: [PATCH 0368/1021] session: fix ineffective EXPLAIN FOR CONNECTION statement (#21044) --- session/session.go | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/session/session.go b/session/session.go index bca8ef4076b79..c6db2a4b4ad9f 100644 --- a/session/session.go +++ b/session/session.go @@ -1137,7 +1137,11 @@ func (s *session) SetProcessInfo(sql string, t time.Time, command byte, maxExecu } } _, pi.Digest = s.sessionVars.StmtCtx.SQLDigest() - s.currentPlan = nil + // DO NOT reset the currentPlan to nil until this query finishes execution, otherwise reentrant calls + // of SetProcessInfo would override Plan and PlanExplainRows to nil. + if command == mysql.ComSleep { + s.currentPlan = nil + } if s.sessionVars.User != nil { pi.User = s.sessionVars.User.Username pi.Host = s.sessionVars.User.Hostname From 78ad1447c0ff5f21db1432736cb575cf95066d23 Mon Sep 17 00:00:00 2001 From: Zhi Qi <30543181+LittleFall@users.noreply.github.com> Date: Thu, 3 Dec 2020 17:16:48 +0800 Subject: [PATCH 0369/1021] tikv: distinguish server timeout and server busy error for TiKV and TiFlash (#21109) --- errno/errcode.go | 4 +++- errno/errname.go | 2 ++ errors.toml | 10 ++++++++++ store/tikv/backoff.go | 27 +++++++++++++++++++-------- store/tikv/coprocessor.go | 10 +++++++++- store/tikv/error.go | 2 ++ store/tikv/region_request.go | 12 ++++++++++-- 7 files changed, 55 insertions(+), 12 deletions(-) diff --git a/errno/errcode.go b/errno/errcode.go index 3915ca2904c84..176e14fb56f76 100644 --- a/errno/errcode.go +++ b/errno/errcode.go @@ -1026,7 +1026,7 @@ const ( ErrDDLReorgElementNotExist = 8235 ErrPlacementPolicyCheck = 8236 - // TiKV/PD errors. + // TiKV/PD/TiFlash errors. ErrPDServerTimeout = 9001 ErrTiKVServerTimeout = 9002 ErrTiKVServerBusy = 9003 @@ -1038,4 +1038,6 @@ const ( ErrPrometheusAddrIsNotSet = 9009 ErrTiKVStaleCommand = 9010 ErrTiKVMaxTimestampNotSynced = 9011 + ErrTiFlashServerTimeout = 9012 + ErrTiFlashServerBusy = 9013 ) diff --git a/errno/errname.go b/errno/errname.go index fd90c38c0f84b..ad429246eeac7 100644 --- a/errno/errname.go +++ b/errno/errname.go @@ -1036,6 +1036,8 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrPDServerTimeout: mysql.Message("PD server timeout", nil), ErrTiKVServerTimeout: mysql.Message("TiKV server timeout", nil), ErrTiKVServerBusy: mysql.Message("TiKV server is busy", nil), + ErrTiFlashServerTimeout: mysql.Message("TiFlash server timeout", nil), + ErrTiFlashServerBusy: mysql.Message("TiFlash server is busy", nil), ErrResolveLockTimeout: mysql.Message("Resolve lock timeout", nil), ErrRegionUnavailable: mysql.Message("Region is unavailable", nil), ErrGCTooEarly: mysql.Message("GC life time is shorter than transaction duration, transaction starts at %v, GC safe point is %v", nil), diff --git a/errors.toml b/errors.toml index 725b620634d73..8715dc143f6a2 100644 --- a/errors.toml +++ b/errors.toml @@ -1396,6 +1396,16 @@ error = ''' TiKV max timestamp is not synced ''' +["tikv:9012"] +error = ''' +TiFlash server timeout +''' + +["tikv:9013"] +error = ''' +TiFlash server is busy +''' + ["types:1063"] error = ''' Incorrect column specifier for column '%-.192s' diff --git a/store/tikv/backoff.go b/store/tikv/backoff.go index 0364909122492..256322641f1e7 100644 --- a/store/tikv/backoff.go +++ b/store/tikv/backoff.go @@ -58,7 +58,8 @@ var ( func (t backoffType) metric() prometheus.Observer { switch t { - case boTiKVRPC: + // TODO: distinguish tikv and tiflash in metrics + case boTiKVRPC, boTiFlashRPC: return tikvBackoffHistogramRPC case BoTxnLock: return tikvBackoffHistogramLock @@ -68,7 +69,7 @@ func (t backoffType) metric() prometheus.Observer { return tikvBackoffHistogramPD case BoRegionMiss: return tikvBackoffHistogramRegionMiss - case boServerBusy: + case boTiKVServerBusy, boTiFlashServerBusy: return tikvBackoffHistogramServerBusy case boStaleCmd: return tikvBackoffHistogramStaleCmd @@ -129,11 +130,13 @@ type backoffType int // Back off types. const ( boTiKVRPC backoffType = iota + boTiFlashRPC BoTxnLock boTxnLockFast BoPDRPC BoRegionMiss - boServerBusy + boTiKVServerBusy + boTiFlashServerBusy boTxnNotFound boStaleCmd boMaxTsNotSynced @@ -144,7 +147,7 @@ func (t backoffType) createFn(vars *kv.Variables) func(context.Context, int) int vars.Hook(t.String(), vars) } switch t { - case boTiKVRPC: + case boTiKVRPC, boTiFlashRPC: return NewBackoffFn(100, 2000, EqualJitter) case BoTxnLock: return NewBackoffFn(200, 3000, EqualJitter) @@ -157,7 +160,7 @@ func (t backoffType) createFn(vars *kv.Variables) func(context.Context, int) int return NewBackoffFn(2, 500, NoJitter) case boTxnNotFound: return NewBackoffFn(2, 500, NoJitter) - case boServerBusy: + case boTiKVServerBusy, boTiFlashServerBusy: return NewBackoffFn(2000, 10000, EqualJitter) case boStaleCmd: return NewBackoffFn(2, 1000, NoJitter) @@ -171,6 +174,8 @@ func (t backoffType) String() string { switch t { case boTiKVRPC: return "tikvRPC" + case boTiFlashRPC: + return "tiflashRPC" case BoTxnLock: return "txnLock" case boTxnLockFast: @@ -179,8 +184,10 @@ func (t backoffType) String() string { return "pdRPC" case BoRegionMiss: return "regionMiss" - case boServerBusy: - return "serverBusy" + case boTiKVServerBusy: + return "tikvServerBusy" + case boTiFlashServerBusy: + return "tiflashServerBusy" case boStaleCmd: return "staleCommand" case boTxnNotFound: @@ -195,14 +202,18 @@ func (t backoffType) TError() error { switch t { case boTiKVRPC: return ErrTiKVServerTimeout + case boTiFlashRPC: + return ErrTiFlashServerTimeout case BoTxnLock, boTxnLockFast, boTxnNotFound: return ErrResolveLockTimeout case BoPDRPC: return ErrPDServerTimeout case BoRegionMiss: return ErrRegionUnavailable - case boServerBusy: + case boTiKVServerBusy: return ErrTiKVServerBusy + case boTiFlashServerBusy: + return ErrTiFlashServerBusy case boStaleCmd: return ErrTiKVStaleCommand case boMaxTsNotSynced: diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go index c828d9038c3bb..c1b556196d759 100644 --- a/store/tikv/coprocessor.go +++ b/store/tikv/coprocessor.go @@ -1076,7 +1076,11 @@ func (worker *copIteratorWorker) handleCopStreamResult(bo *Backoffer, rpcCtx *RP return nil, nil } - if err1 := bo.Backoff(boTiKVRPC, errors.Errorf("recv stream response error: %v, task: %s", err, task)); err1 != nil { + boRPCType := boTiKVRPC + if task.storeType == kv.TiFlash { + boRPCType = boTiFlashRPC + } + if err1 := bo.Backoff(boRPCType, errors.Errorf("recv stream response error: %v, task: %s", err, task)); err1 != nil { return nil, errors.Trace(err) } @@ -1236,6 +1240,10 @@ func (worker *copIteratorWorker) handleTiDBSendReqErr(err error, task *copTask, errCode = errno.ErrTiKVServerTimeout errMsg = "TiDB server timeout, address is " + task.storeAddr } + if terror.ErrorEqual(err, ErrTiFlashServerTimeout) { + errCode = errno.ErrTiFlashServerTimeout + errMsg = "TiDB server timeout, address is " + task.storeAddr + } selResp := tipb.SelectResponse{ Warnings: []*tipb.Error{ { diff --git a/store/tikv/error.go b/store/tikv/error.go index 215eee6a68909..22b3799248909 100644 --- a/store/tikv/error.go +++ b/store/tikv/error.go @@ -34,10 +34,12 @@ const mismatchClusterID = "mismatch cluster id" // MySQL error instances. var ( ErrTiKVServerTimeout = dbterror.ClassTiKV.NewStd(mysql.ErrTiKVServerTimeout) + ErrTiFlashServerTimeout = dbterror.ClassTiKV.NewStd(mysql.ErrTiFlashServerTimeout) ErrResolveLockTimeout = dbterror.ClassTiKV.NewStd(mysql.ErrResolveLockTimeout) ErrPDServerTimeout = dbterror.ClassTiKV.NewStd(mysql.ErrPDServerTimeout) ErrRegionUnavailable = dbterror.ClassTiKV.NewStd(mysql.ErrRegionUnavailable) ErrTiKVServerBusy = dbterror.ClassTiKV.NewStd(mysql.ErrTiKVServerBusy) + ErrTiFlashServerBusy = dbterror.ClassTiKV.NewStd(mysql.ErrTiFlashServerBusy) ErrTiKVStaleCommand = dbterror.ClassTiKV.NewStd(mysql.ErrTiKVStaleCommand) ErrTiKVMaxTimestampNotSynced = dbterror.ClassTiKV.NewStd(mysql.ErrTiKVMaxTimestampNotSynced) ErrGCTooEarly = dbterror.ClassTiKV.NewStd(mysql.ErrGCTooEarly) diff --git a/store/tikv/region_request.go b/store/tikv/region_request.go index 0a6b6eff14901..c88e65af3cdae 100644 --- a/store/tikv/region_request.go +++ b/store/tikv/region_request.go @@ -528,7 +528,11 @@ func (s *RegionRequestSender) onSendFail(bo *Backoffer, ctx *RPCContext, err err // When a store is not available, the leader of related region should be elected quickly. // TODO: the number of retry time should be limited:since region may be unavailable // when some unrecoverable disaster happened. - err = bo.Backoff(boTiKVRPC, errors.Errorf("send tikv request error: %v, ctx: %v, try next peer later", err, ctx)) + if ctx.Store != nil && ctx.Store.storeType == kv.TiFlash { + err = bo.Backoff(boTiFlashRPC, errors.Errorf("send tiflash request error: %v, ctx: %v, try next peer later", err, ctx)) + } else { + err = bo.Backoff(boTiKVRPC, errors.Errorf("send tikv request error: %v, ctx: %v, try next peer later", err, ctx)) + } return errors.Trace(err) } @@ -619,7 +623,11 @@ func (s *RegionRequestSender) onRegionError(bo *Backoffer, ctx *RPCContext, seed logutil.BgLogger().Warn("tikv reports `ServerIsBusy` retry later", zap.String("reason", regionErr.GetServerIsBusy().GetReason()), zap.Stringer("ctx", ctx)) - err = bo.Backoff(boServerBusy, errors.Errorf("server is busy, ctx: %v", ctx)) + if ctx != nil && ctx.Store != nil && ctx.Store.storeType == kv.TiFlash { + err = bo.Backoff(boTiFlashServerBusy, errors.Errorf("server is busy, ctx: %v", ctx)) + } else { + err = bo.Backoff(boTiKVServerBusy, errors.Errorf("server is busy, ctx: %v", ctx)) + } if err != nil { return false, errors.Trace(err) } From 5f73293cf51583902001143867ce245e92cb4e19 Mon Sep 17 00:00:00 2001 From: wjHuang Date: Thu, 3 Dec 2020 17:30:48 +0800 Subject: [PATCH 0370/1021] ddl: check the generated column offset when modifies column (#21458) Signed-off-by: wjhuang2016 --- ddl/ddl_api.go | 2 +- ddl/generated_column.go | 21 ++++++++++----------- executor/ddl_test.go | 6 ++++++ 3 files changed, 17 insertions(+), 12 deletions(-) diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index ae6833a655212..5d78be49fb59e 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -3795,7 +3795,7 @@ func (d *ddl) getModifiableColumnJob(ctx sessionctx.Context, ident ast.Ident, or } // As same with MySQL, we don't support modifying the stored status for generated columns. - if err = checkModifyGeneratedColumn(t, col, newCol, specNewColumn); err != nil { + if err = checkModifyGeneratedColumn(t, col, newCol, specNewColumn, spec.Position); err != nil { return nil, errors.Trace(err) } diff --git a/ddl/generated_column.go b/ddl/generated_column.go index 62a7c6dff9588..f07790d11ab1b 100644 --- a/ddl/generated_column.go +++ b/ddl/generated_column.go @@ -160,7 +160,7 @@ func (c *generatedColumnChecker) Leave(inNode ast.Node) (node ast.Node, ok bool) // 3. check if the modified expr contains non-deterministic functions // 4. check whether new column refers to any auto-increment columns. // 5. check if the new column is indexed or stored -func checkModifyGeneratedColumn(tbl table.Table, oldCol, newCol *table.Column, newColDef *ast.ColumnDef) error { +func checkModifyGeneratedColumn(tbl table.Table, oldCol, newCol *table.Column, newColDef *ast.ColumnDef, pos *ast.ColumnPosition) error { // rule 1. oldColIsStored := !oldCol.IsGenerated() || oldCol.GeneratedStored newColIsStored := !newCol.IsGenerated() || newCol.GeneratedStored @@ -170,10 +170,17 @@ func checkModifyGeneratedColumn(tbl table.Table, oldCol, newCol *table.Column, n // rule 2. originCols := tbl.Cols() + var err error var colName2Generation = make(map[string]columnGenerationInDDL, len(originCols)) for i, column := range originCols { // We can compare the pointers simply. if column == oldCol { + if pos != nil && pos.Tp != ast.ColumnPositionNone { + i, err = findPositionRelativeColumn(originCols, pos) + if err != nil { + return errors.Trace(err) + } + } colName2Generation[newCol.Name.L] = columnGenerationInDDL{ position: i, generated: newCol.IsGenerated(), @@ -213,7 +220,8 @@ func checkModifyGeneratedColumn(tbl table.Table, oldCol, newCol *table.Column, n } // rule 4. - if err := checkGeneratedWithAutoInc(tbl.Meta(), newColDef); err != nil { + _, dependColNames := findDependedColumnNames(newColDef) + if err := checkAutoIncrementRef(newColDef.Name.Name.L, dependColNames, tbl.Meta()); err != nil { return errors.Trace(err) } @@ -299,15 +307,6 @@ func checkIllegalFn4Generated(name string, genType int, expr ast.ExprNode) error return nil } -// Check whether newColumnDef refers to any auto-increment columns. -func checkGeneratedWithAutoInc(tableInfo *model.TableInfo, newColumnDef *ast.ColumnDef) error { - _, dependColNames := findDependedColumnNames(newColumnDef) - if err := checkAutoIncrementRef(newColumnDef.Name.Name.L, dependColNames, tableInfo); err != nil { - return errors.Trace(err) - } - return nil -} - func checkIndexOrStored(tbl table.Table, oldCol, newCol *table.Column) error { if oldCol.GeneratedExprString == newCol.GeneratedExprString { return nil diff --git a/executor/ddl_test.go b/executor/ddl_test.go index 4979081c01607..e3421abb130fb 100644 --- a/executor/ddl_test.go +++ b/executor/ddl_test.go @@ -1262,6 +1262,12 @@ func (s *testSuite6) TestGeneratedColumnRelatedDDL(c *C) { c.Assert(err.Error(), Equals, ddl.ErrBadField.GenWithStackByArgs("z", "generated column function").Error()) tk.MustExec("drop table t1;") + + tk.MustExec("create table t1(a int, b int as (a+1), c int as (b+1));") + tk.MustExec("insert into t1 (a) values (1);") + tk.MustGetErrCode("alter table t1 modify column c int as (b+1) first;", mysql.ErrGeneratedColumnNonPrior) + tk.MustGetErrCode("alter table t1 modify column b int as (a+1) after c;", mysql.ErrGeneratedColumnNonPrior) + tk.MustQuery("select * from t1").Check(testkit.Rows("1 2 3")) } func (s *testSuite6) TestSetDDLErrorCountLimit(c *C) { From ba57d5c34ecbe8ec86f524a0595e2d3b5020e3d5 Mon Sep 17 00:00:00 2001 From: wjHuang Date: Thu, 3 Dec 2020 17:46:18 +0800 Subject: [PATCH 0371/1021] ddl: fix a bug that doesn't add NoDefaultValueFlag when creating a table (#21468) Signed-off-by: wjhuang2016 --- ddl/ddl_api.go | 2 ++ server/tidb_test.go | 20 ++++++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 5d78be49fb59e..2cdfd025df00a 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -631,6 +631,8 @@ func columnDefToCol(ctx sessionctx.Context, offset int, colDef *ast.ColumnDef, o constraint := &ast.Constraint{Tp: ast.ConstraintPrimaryKey, Keys: keys} constraints = append(constraints, constraint) col.Flag |= mysql.PriKeyFlag + // Add NotNullFlag early so that processColumnFlags() can see it. + col.Flag |= mysql.NotNullFlag } case ast.ColumnOptionUniqKey: // Check UniqueFlag first to avoid extra duplicate constraints. diff --git a/server/tidb_test.go b/server/tidb_test.go index 4cd51b19c0ff7..000773a129a3d 100644 --- a/server/tidb_test.go +++ b/server/tidb_test.go @@ -942,6 +942,26 @@ func (ts *tidbTestSuite) TestNullFlag(c *C) { c.Assert(dumpFlag(cols[0].Type, cols[0].Flag), Equals, expectFlag) } +func (ts *tidbTestSuite) TestNO_DEFAULT_VALUEFlag(c *C) { + // issue #21465 + qctx, err := ts.tidbdrv.OpenCtx(uint64(0), 0, uint8(tmysql.DefaultCollationID), "test", nil) + c.Assert(err, IsNil) + + ctx := context.Background() + _, err = Execute(ctx, qctx, "use test") + c.Assert(err, IsNil) + _, err = Execute(ctx, qctx, "drop table if exists t") + c.Assert(err, IsNil) + _, err = Execute(ctx, qctx, "create table t(c1 int key, c2 int);") + c.Assert(err, IsNil) + rs, err := Execute(ctx, qctx, "select c1 from t;") + c.Assert(err, IsNil) + cols := rs.Columns() + c.Assert(len(cols), Equals, 1) + expectFlag := uint16(tmysql.NotNullFlag | tmysql.PriKeyFlag | tmysql.NoDefaultValueFlag) + c.Assert(dumpFlag(cols[0].Type, cols[0].Flag), Equals, expectFlag) +} + func (ts *tidbTestSuite) TestGracefulShutdown(c *C) { var err error ts.store, err = mockstore.NewMockStore() From 65a3a7d9a40148ab1da2c032a8a0d0dcd1ee1815 Mon Sep 17 00:00:00 2001 From: Zhuomin Liu Date: Thu, 3 Dec 2020 18:05:48 +0800 Subject: [PATCH 0372/1021] planner: fix join with using clause didn't check ambiguous columns (#21411) --- executor/join_test.go | 10 ++++++++++ planner/core/logical_plan_builder.go | 25 +++++++++++++++++++++++++ 2 files changed, 35 insertions(+) diff --git a/executor/join_test.go b/executor/join_test.go index 6d4c143cfe583..e0a0798a02960 100644 --- a/executor/join_test.go +++ b/executor/join_test.go @@ -633,6 +633,16 @@ func (s *testSuiteJoin1) TestUsing(c *C) { tk.MustExec("drop table t") tk.MustExec("CREATE TABLE t ( a varchar(55) NOT NULL, b varchar(55) NOT NULL, c int(11) DEFAULT NULL, d int(11) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;") tk.MustExec("update t t1 join t t2 using(a,b) set t1.c=t2.d;") + + // For issue20467 + tk.MustExec(`DROP TABLE if exists t1,t2,t3,t4,t5`) + tk.MustExec(`CREATE TABLE t1 (a INT, b INT)`) + tk.MustExec(`CREATE TABLE t2 (a INT, b INT)`) + tk.MustExec(`CREATE TABLE t3 (a INT, b INT)`) + tk.MustExec(`INSERT INTO t1 VALUES (1,1)`) + tk.MustExec(`INSERT INTO t2 VALUES (1,1)`) + tk.MustExec(`INSERT INTO t3 VALUES (1,1)`) + tk.MustGetErrMsg(`SELECT * FROM t1 JOIN (t2 JOIN t3 USING (b)) USING (a)`, "[planner:1052]Column 'a' in from clause is ambiguous") } func (s *testSuiteWithData) TestNaturalJoin(c *C) { diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index 90e2f43df09a1..4d98c33515d6f 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -775,6 +775,31 @@ func (b *PlanBuilder) coalesceCommonColumns(p *LogicalJoin, leftPlan, rightPlan lColumns, rColumns = rsc.Columns, lsc.Columns } + // Check using clause with ambiguous columns. + if filter != nil { + checkAmbiguous := func(names types.NameSlice) error { + columnNameInFilter := set.StringSet{} + for _, name := range names { + if _, ok := filter[name.ColName.L]; !ok { + continue + } + if columnNameInFilter.Exist(name.ColName.L) { + return ErrAmbiguous.GenWithStackByArgs(name.ColName.L, "from clause") + } + columnNameInFilter.Insert(name.ColName.L) + } + return nil + } + err := checkAmbiguous(lNames) + if err != nil { + return err + } + err = checkAmbiguous(rNames) + if err != nil { + return err + } + } + // Find out all the common columns and put them ahead. commonLen := 0 for i, lName := range lNames { From 7a88ad852d28f525648b1e67d38a20b797915bd5 Mon Sep 17 00:00:00 2001 From: dongyan <34701401+dyzsr@users.noreply.github.com> Date: Thu, 3 Dec 2020 18:39:48 +0800 Subject: [PATCH 0373/1021] planner: check for decimal format in cast expr (#20836) --- expression/integration_test.go | 8 ++------ planner/core/preprocess.go | 31 +++++++++++++++++++++++++++++++ planner/core/preprocess_test.go | 10 ++++++++++ 3 files changed, 43 insertions(+), 6 deletions(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index 85bd6fb3313bd..5e16c86a16eaf 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -2327,7 +2327,6 @@ func (s *testIntegrationSuite2) TestBuiltin(c *C) { defer s.cleanEnv(c) tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") - ctx := context.Background() // for is true && is false tk.MustExec("drop table if exists t") @@ -2766,12 +2765,9 @@ func (s *testIntegrationSuite2) TestBuiltin(c *C) { c.Assert(err, NotNil) // test case decimal precision less than the scale. - rs, err := tk.Exec("select cast(12.1 as decimal(3, 4));") - c.Assert(err, IsNil) - _, err = session.GetRows4Test(ctx, tk.Se, rs) + _, err = tk.Exec("select cast(12.1 as decimal(3, 4));") c.Assert(err, NotNil) - c.Assert(err.Error(), Equals, "[types:1427]For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column '').") - c.Assert(rs.Close(), IsNil) + c.Assert(err.Error(), Equals, "[types:1427]For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column '12.1').") // test unhex and hex result = tk.MustQuery("select unhex('4D7953514C')") diff --git a/planner/core/preprocess.go b/planner/core/preprocess.go index 91600295ce1f0..0204335fb0006 100644 --- a/planner/core/preprocess.go +++ b/planner/core/preprocess.go @@ -21,6 +21,7 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/parser" "github.com/pingcap/parser/ast" + "github.com/pingcap/parser/format" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/ddl" @@ -180,6 +181,8 @@ func (p *preprocessor) Enter(in ast.Node) (out ast.Node, skipChildren bool) { case *ast.DropSequenceStmt: p.flag |= inCreateOrDropTable p.checkDropSequenceGrammar(node) + case *ast.FuncCastExpr: + p.checkFuncCastExpr(node) case *ast.FuncCallExpr: if node.FnName.L == ast.NextVal || node.FnName.L == ast.LastVal || node.FnName.L == ast.SetVal { p.flag |= inSequenceFunction @@ -1109,3 +1112,31 @@ func (p *preprocessor) resolveCreateSequenceStmt(stmt *ast.CreateSequenceStmt) { return } } + +func (p *preprocessor) checkFuncCastExpr(node *ast.FuncCastExpr) { + if node.Tp.EvalType() == types.ETDecimal { + if node.Tp.Flen >= node.Tp.Decimal && node.Tp.Flen <= mysql.MaxDecimalWidth && node.Tp.Decimal <= mysql.MaxDecimalScale { + // valid + return + } + + var buf strings.Builder + restoreCtx := format.NewRestoreCtx(format.DefaultRestoreFlags, &buf) + if err := node.Expr.Restore(restoreCtx); err != nil { + p.err = err + return + } + if node.Tp.Flen < node.Tp.Decimal { + p.err = types.ErrMBiggerThanD.GenWithStackByArgs(buf.String()) + return + } + if node.Tp.Flen > mysql.MaxDecimalWidth { + p.err = types.ErrTooBigPrecision.GenWithStackByArgs(node.Tp.Flen, buf.String(), mysql.MaxDecimalWidth) + return + } + if node.Tp.Decimal > mysql.MaxDecimalScale { + p.err = types.ErrTooBigScale.GenWithStackByArgs(node.Tp.Decimal, buf.String(), mysql.MaxDecimalScale) + return + } + } +} diff --git a/planner/core/preprocess_test.go b/planner/core/preprocess_test.go index 3a50e6cfe3b28..e491d613c4ef5 100644 --- a/planner/core/preprocess_test.go +++ b/planner/core/preprocess_test.go @@ -20,6 +20,7 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/parser" "github.com/pingcap/parser/model" + "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/ddl" "github.com/pingcap/tidb/domain" @@ -271,6 +272,15 @@ func (s *testValidatorSuite) TestValidator(c *C) { {"CREATE INDEX `` on t (a);", true, errors.New("[ddl:1280]Incorrect index name ''")}, {"CREATE INDEX `` on t ((lower(a)));", true, errors.New("[ddl:1280]Incorrect index name ''")}, + // issue 20295 + // issue 11193 + {"select cast(1.23 as decimal(65,65))", true, types.ErrTooBigScale.GenWithStackByArgs(65, "1.23", mysql.MaxDecimalScale)}, + {"select CONVERT( 2, DECIMAL(62,60) )", true, types.ErrTooBigScale.GenWithStackByArgs(60, "2", mysql.MaxDecimalScale)}, + {"select CONVERT( 2, DECIMAL(66,29) )", true, types.ErrTooBigPrecision.GenWithStackByArgs(66, "2", mysql.MaxDecimalWidth)}, + {"select CONVERT( 2, DECIMAL(28,29) )", true, types.ErrMBiggerThanD.GenWithStackByArgs("2")}, + {"select CONVERT( 2, DECIMAL(30,65) )", true, types.ErrMBiggerThanD.GenWithStackByArgs("2")}, + {"select CONVERT( 2, DECIMAL(66,99) )", true, types.ErrMBiggerThanD.GenWithStackByArgs("2")}, + // TABLESAMPLE {"select * from t tablesample bernoulli();", false, expression.ErrInvalidTableSample}, {"select * from t tablesample bernoulli(10 rows);", false, expression.ErrInvalidTableSample}, From 3a32bd2df58d3f85504b8f928c70787ced75333a Mon Sep 17 00:00:00 2001 From: Rain Li Date: Thu, 3 Dec 2020 19:39:48 +0800 Subject: [PATCH 0374/1021] ddl: change ddl wait duration logic (#21361) --- ddl/ddl.go | 53 ++++++++++++++++++++++++++++++++++++++++++++++++- ddl/ddl_test.go | 27 +++++++++++++++++++++++++ 2 files changed, 79 insertions(+), 1 deletion(-) diff --git a/ddl/ddl.go b/ddl/ddl.go index bcfd4169e8f20..164634be9b174 100644 --- a/ddl/ddl.go +++ b/ddl/ddl.go @@ -459,6 +459,43 @@ func checkJobMaxInterval(job *model.Job) time.Duration { return 1 * time.Second } +var ( + fastDDLIntervalPolicy = []time.Duration{ + 500 * time.Millisecond, + } + normalDDLIntervalPolicy = []time.Duration{ + 500 * time.Millisecond, + 500 * time.Millisecond, + 1 * time.Second, + } + slowDDLIntervalPolicy = []time.Duration{ + 500 * time.Millisecond, + 500 * time.Millisecond, + 1 * time.Second, + 1 * time.Second, + 3 * time.Second, + } +) + +func getIntervalFromPolicy(policy []time.Duration, i int) (time.Duration, bool) { + plen := len(policy) + if i < plen { + return policy[i], true + } + return policy[plen-1], false +} + +func getJobCheckInterval(job *model.Job, i int) (time.Duration, bool) { + switch job.Type { + case model.ActionAddIndex, model.ActionAddPrimaryKey: + return getIntervalFromPolicy(slowDDLIntervalPolicy, i) + case model.ActionCreateTable, model.ActionCreateSchema: + return getIntervalFromPolicy(fastDDLIntervalPolicy, i) + default: + return getIntervalFromPolicy(normalDDLIntervalPolicy, i) + } +} + func (d *ddl) asyncNotifyWorker(jobTp model.ActionType) { // If the workers don't run, we needn't to notify workers. if !RunWorker { @@ -472,6 +509,16 @@ func (d *ddl) asyncNotifyWorker(jobTp model.ActionType) { } } +func updateTickerInterval(ticker *time.Ticker, lease time.Duration, job *model.Job, i int) *time.Ticker { + interval, changed := getJobCheckInterval(job, i) + if !changed { + return ticker + } + // For now we should stop old ticker and create a new ticker + ticker.Stop() + return time.NewTicker(chooseLeaseTime(lease, interval)) +} + // doDDLJob will return // - nil: found in history DDL job and no job error // - context.Cancel: job has been sent to worker, but not found in history DDL job before cancel @@ -495,7 +542,8 @@ func (d *ddl) doDDLJob(ctx sessionctx.Context, job *model.Job) error { // For a job from start to end, the state of it will be none -> delete only -> write only -> reorganization -> public // For every state changes, we will wait as lease 2 * lease time, so here the ticker check is 10 * lease. // But we use etcd to speed up, normally it takes less than 0.5s now, so we use 0.5s or 1s or 3s as the max value. - ticker := time.NewTicker(chooseLeaseTime(10*d.lease, checkJobMaxInterval(job))) + initInterval, _ := getJobCheckInterval(job, 0) + ticker := time.NewTicker(chooseLeaseTime(10*d.lease, initInterval)) startTime := time.Now() metrics.JobsGauge.WithLabelValues(job.Type.String()).Inc() defer func() { @@ -503,6 +551,7 @@ func (d *ddl) doDDLJob(ctx sessionctx.Context, job *model.Job) error { metrics.JobsGauge.WithLabelValues(job.Type.String()).Dec() metrics.HandleJobHistogram.WithLabelValues(job.Type.String(), metrics.RetLabel(err)).Observe(time.Since(startTime).Seconds()) }() + i := 0 for { failpoint.Inject("storeCloseInLoop", func(_ failpoint.Value) { d.cancel() @@ -511,6 +560,8 @@ func (d *ddl) doDDLJob(ctx sessionctx.Context, job *model.Job) error { select { case <-d.ddlJobDoneCh: case <-ticker.C: + i++ + ticker = updateTickerInterval(ticker, 10*d.lease, job, i) case <-d.ctx.Done(): logutil.BgLogger().Error("[ddl] doDDLJob will quit because context done", zap.Error(d.ctx.Err())) err = d.ctx.Err() diff --git a/ddl/ddl_test.go b/ddl/ddl_test.go index 3e127da608c11..c72476df154aa 100644 --- a/ddl/ddl_test.go +++ b/ddl/ddl_test.go @@ -261,3 +261,30 @@ func buildRebaseAutoIDJobJob(dbInfo *model.DBInfo, tblInfo *model.TableInfo, new Args: []interface{}{newBaseID}, } } + +func (s *testDDLSuite) TestGetIntervalFromPolicy(c *C) { + policy := []time.Duration{ + 1 * time.Second, + 2 * time.Second, + } + var ( + val time.Duration + changed bool + ) + + val, changed = getIntervalFromPolicy(policy, 0) + c.Assert(val, Equals, 1*time.Second) + c.Assert(changed, Equals, true) + + val, changed = getIntervalFromPolicy(policy, 1) + c.Assert(val, Equals, 2*time.Second) + c.Assert(changed, Equals, true) + + val, changed = getIntervalFromPolicy(policy, 2) + c.Assert(val, Equals, 2*time.Second) + c.Assert(changed, Equals, false) + + val, changed = getIntervalFromPolicy(policy, 3) + c.Assert(val, Equals, 2*time.Second) + c.Assert(changed, Equals, false) +} From 83814613e18e39c3a924634e104b8fd49d5cb372 Mon Sep 17 00:00:00 2001 From: you06 Date: Thu, 3 Dec 2020 21:28:48 +0800 Subject: [PATCH 0375/1021] executor, store/tikv: locks exist keys for point_get & batch_point_get (#21229) Signed-off-by: you06 --- executor/batch_point_get.go | 52 ++++++----- executor/batch_point_get_test.go | 147 +++++++++++++++++++++++++++++++ executor/point_get.go | 16 ++-- executor/point_get_test.go | 126 ++++++++++++++++++++++++++ go.sum | 3 + store/tikv/2pc.go | 17 ++-- store/tikv/2pc_test.go | 25 ++++++ 7 files changed, 355 insertions(+), 31 deletions(-) diff --git a/executor/batch_point_get.go b/executor/batch_point_get.go index 826a88d3aacdf..4bf52862ee5db 100644 --- a/executor/batch_point_get.go +++ b/executor/batch_point_get.go @@ -177,10 +177,11 @@ func (e *BatchPointGetExec) initialize(ctx context.Context) error { var indexKeys []kv.Key var err error batchGetter := e.batchGetter + rc := e.ctx.GetSessionVars().IsPessimisticReadConsistency() if e.idxInfo != nil && !isCommonHandleRead(e.tblInfo, e.idxInfo) { // `SELECT a, b FROM t WHERE (a, b) IN ((1, 2), (1, 2), (2, 1), (1, 2))` should not return duplicated rows dedup := make(map[hack.MutableString]struct{}) - keys := make([]kv.Key, 0, len(e.idxVals)) + toFetchIndexKeys := make([]kv.Key, 0, len(e.idxVals)) for _, idxVals := range e.idxVals { // For all x, 'x IN (null)' evaluate to null, so the query get no result. if datumsContainNull(idxVals) { @@ -197,34 +198,42 @@ func (e *BatchPointGetExec) initialize(ctx context.Context) error { continue } dedup[s] = struct{}{} - keys = append(keys, idxKey) + toFetchIndexKeys = append(toFetchIndexKeys, idxKey) } if e.keepOrder { - sort.Slice(keys, func(i int, j int) bool { + sort.Slice(toFetchIndexKeys, func(i int, j int) bool { if e.desc { - return keys[i].Cmp(keys[j]) > 0 + return toFetchIndexKeys[i].Cmp(toFetchIndexKeys[j]) > 0 } - return keys[i].Cmp(keys[j]) < 0 + return toFetchIndexKeys[i].Cmp(toFetchIndexKeys[j]) < 0 }) } - indexKeys = keys + + // lock all keys in repeatable read isolation. + // for read consistency, only lock exist keys, + // indexKeys will be generated after getting handles. + if !rc { + indexKeys = toFetchIndexKeys + } else { + indexKeys = make([]kv.Key, 0, len(toFetchIndexKeys)) + } // SELECT * FROM t WHERE x IN (null), in this case there is no key. - if len(keys) == 0 { + if len(toFetchIndexKeys) == 0 { return nil } // Fetch all handles. - handleVals, err = batchGetter.BatchGet(ctx, keys) + handleVals, err = batchGetter.BatchGet(ctx, toFetchIndexKeys) if err != nil { return err } - e.handles = make([]kv.Handle, 0, len(keys)) + e.handles = make([]kv.Handle, 0, len(toFetchIndexKeys)) if e.tblInfo.Partition != nil { - e.physIDs = make([]int64, 0, len(keys)) + e.physIDs = make([]int64, 0, len(toFetchIndexKeys)) } - for _, key := range keys { + for _, key := range toFetchIndexKeys { handleVal := handleVals[string(key)] if len(handleVal) == 0 { continue @@ -234,6 +243,9 @@ func (e *BatchPointGetExec) initialize(ctx context.Context) error { return err1 } e.handles = append(e.handles, handle) + if rc { + indexKeys = append(indexKeys, key) + } if e.tblInfo.Partition != nil { pid := tablecodec.DecodeTableID(key) e.physIDs = append(e.physIDs, pid) @@ -310,17 +322,11 @@ func (e *BatchPointGetExec) initialize(ctx context.Context) error { } var values map[string][]byte - rc := e.ctx.GetSessionVars().IsPessimisticReadConsistency() // Lock keys (include exists and non-exists keys) before fetch all values for Repeatable Read Isolation. if e.lock && !rc { - lockKeys := make([]kv.Key, len(keys), len(keys)+len(indexKeys)) + lockKeys := make([]kv.Key, len(keys)+len(indexKeys)) copy(lockKeys, keys) - for _, idxKey := range indexKeys { - // lock the non-exist index key, using len(val) in case BatchGet result contains some zero len entries - if val := handleVals[string(idxKey)]; len(val) == 0 { - lockKeys = append(lockKeys, idxKey) - } - } + copy(lockKeys[len(keys):], indexKeys) err = LockKeys(ctx, e.ctx, e.waitTime, lockKeys...) if err != nil { return err @@ -334,7 +340,7 @@ func (e *BatchPointGetExec) initialize(ctx context.Context) error { handles := make([]kv.Handle, 0, len(values)) var existKeys []kv.Key if e.lock && rc { - existKeys = make([]kv.Key, 0, len(values)) + existKeys = make([]kv.Key, 0, 2*len(values)) } e.values = make([][]byte, 0, len(values)) for i, key := range keys { @@ -350,6 +356,12 @@ func (e *BatchPointGetExec) initialize(ctx context.Context) error { handles = append(handles, e.handles[i]) if e.lock && rc { existKeys = append(existKeys, key) + // when e.handles is set in builder directly, index should be primary key and the plan is CommonHandleRead + // with clustered index enabled, indexKeys is empty in this situation + // lock primary key for clustered index table is redundant + if len(indexKeys) != 0 { + existKeys = append(existKeys, indexKeys[i]) + } } } // Lock exists keys only for Read Committed Isolation. diff --git a/executor/batch_point_get_test.go b/executor/batch_point_get_test.go index 468ba2e974cda..b316061532868 100644 --- a/executor/batch_point_get_test.go +++ b/executor/batch_point_get_test.go @@ -14,6 +14,10 @@ package executor_test import ( + "fmt" + "sync" + "time" + . "github.com/pingcap/check" "github.com/pingcap/errors" "github.com/pingcap/tidb/domain" @@ -162,3 +166,146 @@ func (s *testBatchPointGetSuite) TestBatchPointGetUnsignedHandleWithSort(c *C) { tk.MustQuery("select id from t2 where id in (8738875760185212610, 1, 9814441339970117597) order by id").Check(testkit.Rows("1", "8738875760185212610", "9814441339970117597")) tk.MustQuery("select id from t2 where id in (8738875760185212610, 1, 9814441339970117597) order by id desc").Check(testkit.Rows("9814441339970117597", "8738875760185212610", "1")) } + +func (s *testBatchPointGetSuite) TestBatchPointGetLockExistKey(c *C) { + var wg sync.WaitGroup + errCh := make(chan error) + + testLock := func(rc bool, key string, tableName string) { + doneCh := make(chan struct{}, 1) + tk1, tk2 := testkit.NewTestKit(c, s.store), testkit.NewTestKit(c, s.store) + + errCh <- tk1.ExecToErr("use test") + errCh <- tk2.ExecToErr("use test") + errCh <- tk1.ExecToErr("set session tidb_enable_clustered_index = 0") + + errCh <- tk1.ExecToErr(fmt.Sprintf("drop table if exists %s", tableName)) + errCh <- tk1.ExecToErr(fmt.Sprintf("create table %s(id int, v int, k int, %s key0(id, v))", tableName, key)) + errCh <- tk1.ExecToErr(fmt.Sprintf("insert into %s values(1, 1, 1), (2, 2, 2)", tableName)) + + if rc { + errCh <- tk1.ExecToErr("set tx_isolation = 'READ-COMMITTED'") + errCh <- tk2.ExecToErr("set tx_isolation = 'READ-COMMITTED'") + } + + errCh <- tk1.ExecToErr("begin pessimistic") + errCh <- tk2.ExecToErr("begin pessimistic") + + // select for update + if !rc { + // lock exist key only for repeatable read + errCh <- tk1.ExecToErr(fmt.Sprintf("select * from %s where (id, v) in ((1, 1), (2, 2)) for update", tableName)) + } else { + // read committed will not lock non-exist key + errCh <- tk1.ExecToErr(fmt.Sprintf("select * from %s where (id, v) in ((1, 1), (2, 2), (3, 3)) for update", tableName)) + } + errCh <- tk2.ExecToErr(fmt.Sprintf("insert into %s values(3, 3, 3)", tableName)) + go func() { + errCh <- tk2.ExecToErr(fmt.Sprintf("insert into %s values(1, 1, 10)", tableName)) + doneCh <- struct{}{} + }() + + time.Sleep(150 * time.Millisecond) + errCh <- tk1.ExecToErr(fmt.Sprintf("update %s set v = 2 where id = 1 and v = 1", tableName)) + + errCh <- tk1.ExecToErr("commit") + <-doneCh + errCh <- tk2.ExecToErr("commit") + tk1.MustQuery(fmt.Sprintf("select * from %s", tableName)).Check(testkit.Rows( + "1 2 1", + "2 2 2", + "3 3 3", + "1 1 10", + )) + + // update + errCh <- tk1.ExecToErr("begin pessimistic") + errCh <- tk2.ExecToErr("begin pessimistic") + if !rc { + // lock exist key only for repeatable read + errCh <- tk1.ExecToErr(fmt.Sprintf("update %s set v = v + 1 where (id, v) in ((2, 2), (3, 3))", tableName)) + } else { + // read committed will not lock non-exist key + errCh <- tk1.ExecToErr(fmt.Sprintf("update %s set v = v + 1 where (id, v) in ((2, 2), (3, 3), (4, 4))", tableName)) + } + errCh <- tk2.ExecToErr(fmt.Sprintf("insert into %s values(4, 4, 4)", tableName)) + go func() { + errCh <- tk2.ExecToErr(fmt.Sprintf("insert into %s values(3, 3, 30)", tableName)) + doneCh <- struct{}{} + }() + time.Sleep(150 * time.Millisecond) + errCh <- tk1.ExecToErr("commit") + <-doneCh + errCh <- tk2.ExecToErr("commit") + tk1.MustQuery(fmt.Sprintf("select * from %s", tableName)).Check(testkit.Rows( + "1 2 1", + "2 3 2", + "3 4 3", + "1 1 10", + "4 4 4", + "3 3 30", + )) + + // delete + errCh <- tk1.ExecToErr("begin pessimistic") + errCh <- tk2.ExecToErr("begin pessimistic") + if !rc { + // lock exist key only for repeatable read + errCh <- tk1.ExecToErr(fmt.Sprintf("delete from %s where (id, v) in ((3, 4), (4, 4))", tableName)) + } else { + // read committed will not lock non-exist key + errCh <- tk1.ExecToErr(fmt.Sprintf("delete from %s where (id, v) in ((3, 4), (4, 4), (5, 5))", tableName)) + } + errCh <- tk2.ExecToErr(fmt.Sprintf("insert into %s values(5, 5, 5)", tableName)) + go func() { + errCh <- tk2.ExecToErr(fmt.Sprintf("insert into %s values(4, 4,40)", tableName)) + doneCh <- struct{}{} + }() + time.Sleep(150 * time.Millisecond) + errCh <- tk1.ExecToErr("commit") + <-doneCh + errCh <- tk2.ExecToErr("commit") + tk1.MustQuery(fmt.Sprintf("select * from %s", tableName)).Check(testkit.Rows( + "1 2 1", + "2 3 2", + "1 1 10", + "3 3 30", + "5 5 5", + "4 4 40", + )) + wg.Done() + } + + for i, one := range []struct { + rc bool + key string + }{ + {rc: false, key: "primary key"}, + {rc: false, key: "unique key"}, + {rc: true, key: "primary key"}, + {rc: true, key: "unique key"}, + } { + wg.Add(1) + tableName := fmt.Sprintf("t_%d", i) + go testLock(one.rc, one.key, tableName) + } + + // should works for common handle in clustered index + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(id varchar(40) primary key)") + tk.MustExec("insert into t values('1'), ('2')") + tk.MustExec("set tx_isolation = 'READ-COMMITTED'") + tk.MustExec("begin pessimistic") + tk.MustExec("select * from t where id in('1', '2') for update") + tk.MustExec("commit") + + go func() { + wg.Wait() + close(errCh) + }() + for err := range errCh { + c.Assert(err, IsNil) + } +} diff --git a/executor/point_get.go b/executor/point_get.go index e72a4a2b66414..8f006f3dbabb0 100644 --- a/executor/point_get.go +++ b/executor/point_get.go @@ -199,13 +199,19 @@ func (e *PointGetExecutor) Next(ctx context.Context, req *chunk.Chunk) error { return err } } - if len(e.handleVal) == 0 { - // handle is not found, try lock the index key if isolation level is not read consistency - if e.ctx.GetSessionVars().IsPessimisticReadConsistency() { - return nil + + // try lock the index key if isolation level is not read consistency + // also lock key if read consistency read a value + if !e.ctx.GetSessionVars().IsPessimisticReadConsistency() || len(e.handleVal) > 0 { + err = e.lockKeyIfNeeded(ctx, e.idxKey) + if err != nil { + return err } - return e.lockKeyIfNeeded(ctx, e.idxKey) } + if len(e.handleVal) == 0 { + return nil + } + var iv kv.Handle iv, err = tablecodec.DecodeHandleInUniqueIndexValue(e.handleVal, e.tblInfo.IsCommonHandle) if err != nil { diff --git a/executor/point_get_test.go b/executor/point_get_test.go index 64c4f82e28760..fc72a22e78272 100644 --- a/executor/point_get_test.go +++ b/executor/point_get_test.go @@ -17,6 +17,7 @@ import ( "context" "fmt" "strings" + "sync" "time" . "github.com/pingcap/check" @@ -679,3 +680,128 @@ func (s *testPointGetSuite) TestPointGetWriteLock(c *C) { c.Assert(explain, Matches, ".*num_rpc.*") tk.MustExec("unlock tables") } + +func (s *testPointGetSuite) TestPointGetLockExistKey(c *C) { + var wg sync.WaitGroup + errCh := make(chan error) + + testLock := func(rc bool, key string, tableName string) { + doneCh := make(chan struct{}, 1) + tk1, tk2 := testkit.NewTestKit(c, s.store), testkit.NewTestKit(c, s.store) + + errCh <- tk1.ExecToErr("use test") + errCh <- tk2.ExecToErr("use test") + errCh <- tk1.ExecToErr("set session tidb_enable_clustered_index = 0") + + errCh <- tk1.ExecToErr(fmt.Sprintf("drop table if exists %s", tableName)) + errCh <- tk1.ExecToErr(fmt.Sprintf("create table %s(id int, v int, k int, %s key0(id, v))", tableName, key)) + errCh <- tk1.ExecToErr(fmt.Sprintf("insert into %s values(1, 1, 1)", tableName)) + + if rc { + errCh <- tk1.ExecToErr("set tx_isolation = 'READ-COMMITTED'") + errCh <- tk2.ExecToErr("set tx_isolation = 'READ-COMMITTED'") + } + + // select for update + errCh <- tk1.ExecToErr("begin pessimistic") + errCh <- tk2.ExecToErr("begin pessimistic") + // lock exist key + errCh <- tk1.ExecToErr(fmt.Sprintf("select * from %s where id = 1 and v = 1 for update", tableName)) + // read committed will not lock non-exist key + if rc { + errCh <- tk1.ExecToErr(fmt.Sprintf("select * from %s where id = 2 and v = 2 for update", tableName)) + } + errCh <- tk2.ExecToErr(fmt.Sprintf("insert into %s values(2, 2, 2)", tableName)) + go func() { + errCh <- tk2.ExecToErr(fmt.Sprintf("insert into %s values(1, 1, 10)", tableName)) + //tk2.MustExec(fmt.Sprintf("insert into %s values(1, 1, 10)", tableName)) + doneCh <- struct{}{} + }() + time.Sleep(150 * time.Millisecond) + errCh <- tk1.ExecToErr(fmt.Sprintf("update %s set v = 2 where id = 1 and v = 1", tableName)) + errCh <- tk1.ExecToErr("commit") + <-doneCh + errCh <- tk2.ExecToErr("commit") + tk1.MustQuery(fmt.Sprintf("select * from %s", tableName)).Check(testkit.Rows( + "1 2 1", + "2 2 2", + "1 1 10", + )) + + // update + errCh <- tk1.ExecToErr("begin pessimistic") + errCh <- tk2.ExecToErr("begin pessimistic") + // lock exist key + errCh <- tk1.ExecToErr(fmt.Sprintf("update %s set v = 3 where id = 2 and v = 2", tableName)) + // read committed will not lock non-exist key + if rc { + errCh <- tk1.ExecToErr(fmt.Sprintf("update %s set v =4 where id = 3 and v = 3", tableName)) + } + errCh <- tk2.ExecToErr(fmt.Sprintf("insert into %s values(3, 3, 3)", tableName)) + go func() { + errCh <- tk2.ExecToErr(fmt.Sprintf("insert into %s values(2, 2, 20)", tableName)) + doneCh <- struct{}{} + }() + time.Sleep(150 * time.Millisecond) + errCh <- tk1.ExecToErr("commit") + <-doneCh + errCh <- tk2.ExecToErr("commit") + tk1.MustQuery(fmt.Sprintf("select * from %s", tableName)).Check(testkit.Rows( + "1 2 1", + "2 3 2", + "1 1 10", + "3 3 3", + "2 2 20", + )) + + // delete + errCh <- tk1.ExecToErr("begin pessimistic") + errCh <- tk2.ExecToErr("begin pessimistic") + // lock exist key + errCh <- tk1.ExecToErr(fmt.Sprintf("delete from %s where id = 3 and v = 3", tableName)) + // read committed will not lock non-exist key + if rc { + errCh <- tk1.ExecToErr(fmt.Sprintf("delete from %s where id = 4 and v = 4", tableName)) + } + errCh <- tk2.ExecToErr(fmt.Sprintf("insert into %s values(4, 4, 4)", tableName)) + go func() { + errCh <- tk2.ExecToErr(fmt.Sprintf("insert into %s values(3, 3, 30)", tableName)) + doneCh <- struct{}{} + }() + time.Sleep(50 * time.Millisecond) + errCh <- tk1.ExecToErr("commit") + <-doneCh + errCh <- tk2.ExecToErr("commit") + tk1.MustQuery(fmt.Sprintf("select * from %s", tableName)).Check(testkit.Rows( + "1 2 1", + "2 3 2", + "1 1 10", + "2 2 20", + "4 4 4", + "3 3 30", + )) + wg.Done() + } + + for i, one := range []struct { + rc bool + key string + }{ + {rc: false, key: "primary key"}, + {rc: false, key: "unique key"}, + {rc: true, key: "primary key"}, + {rc: true, key: "unique key"}, + } { + wg.Add(1) + tableName := fmt.Sprintf("t_%d", i) + go testLock(one.rc, one.key, tableName) + } + + go func() { + wg.Wait() + close(errCh) + }() + for err := range errCh { + c.Assert(err, IsNil) + } +} diff --git a/go.sum b/go.sum index e91086cb9da87..29705605bdc35 100644 --- a/go.sum +++ b/go.sum @@ -614,6 +614,7 @@ github.com/opentracing/opentracing-go v1.0.2/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFSt github.com/opentracing/opentracing-go v1.0.3-0.20180606204148-bd9c31933947/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o= github.com/opentracing/opentracing-go v1.1.0 h1:pWlfV3Bxv7k65HYwkikxat0+s3pV4bsqf19k25Ur8rU= github.com/opentracing/opentracing-go v1.1.0/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o= +github.com/otiai10/copy v1.2.0 h1:HvG945u96iNadPoG2/Ja2+AUJeW5YuFQMixq9yirC+k= github.com/otiai10/copy v1.2.0/go.mod h1:rrF5dJ5F0t/EWSYODDu4j9/vEeYHMkc8jt0zJChqQWw= github.com/otiai10/curr v0.0.0-20150429015615-9b4961190c95/go.mod h1:9qAhocn7zKJG+0mI8eUu6xqkFDYS2kb2saOteoSB3cE= github.com/otiai10/curr v1.0.0/go.mod h1:LskTG5wDwr8Rs+nNQ+1LlxRjAtTZZjtJW4rMXl6j4vs= @@ -713,6 +714,7 @@ github.com/pingcap/tipb v0.0.0-20190428032612-535e1abaa330/go.mod h1:RtkHW8WbcNx github.com/pingcap/tipb v0.0.0-20200417094153-7316d94df1ee/go.mod h1:RtkHW8WbcNxj8lsbzjaILci01CtYnYbIkQhjyZWrWVI= github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f h1:J+0TAI+7Hvebz4bM4GnRCRT4MpjYnUxbyi9ky5ZQUsU= github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f/go.mod h1:RtkHW8WbcNxj8lsbzjaILci01CtYnYbIkQhjyZWrWVI= +github.com/pingcap/tiup v1.2.3 h1:8OCQF7sHhT6VqE8pZU1JTSogPA90OFuWWM/B746x0YY= github.com/pingcap/tiup v1.2.3/go.mod h1:q8WzflNHjE1U49k2qstTL0clx2pKh8pkOzUFV4RTvQo= github.com/pkg/browser v0.0.0-20180916011732-0a3d74bf9ce4/go.mod h1:4OwLy04Bl9Ef3GJJCoec+30X3LQs/0/m4HFRt/2LUSA= github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= @@ -756,6 +758,7 @@ github.com/prometheus/procfs v0.0.8 h1:+fpWZdT24pJBiqJdAwYBjPSk+5YmQzYNPYzQsdzLk github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+GxbHq6oeK9A= github.com/prometheus/prom2json v1.3.0/go.mod h1:rMN7m0ApCowcoDlypBHlkNbp5eJQf/+1isKykIP5ZnM= github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU= +github.com/r3labs/diff v0.0.0-20200627101315-aecd9dd05dd2 h1:786HUIrynbbk5PzUf9Rp3aAUkNRksUiiipSAlyJ68As= github.com/r3labs/diff v0.0.0-20200627101315-aecd9dd05dd2/go.mod h1:7WjXasNzi0vJetRcB/RqNl5dlIsmXcTTLmF5IoH6Xig= github.com/rakyll/statik v0.1.6/go.mod h1:OEi9wJV/fMUAGx1eNjq75DKDsJVuEv1U0oYdX6GX8Zs= github.com/rcrowley/go-metrics v0.0.0-20190826022208-cac0b30c2563/go.mod h1:bCqnVzQkZxMG4s8nGwiZ5l3QUCyqpo9Y+/ZMZ9VjZe4= diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index 7b038588670d0..3b305bd2aa7db 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -479,13 +479,18 @@ func (c *twoPhaseCommitter) initKeysAndMutations() error { value = it.Value() if len(value) > 0 { if tablecodec.IsUntouchedIndexKValue(key, value) { - continue - } - op = pb.Op_Put - if flags.HasPresumeKeyNotExists() { - op = pb.Op_Insert + if !flags.HasLocked() { + continue + } + op = pb.Op_Lock + lockCnt++ + } else { + op = pb.Op_Put + if flags.HasPresumeKeyNotExists() { + op = pb.Op_Insert + } + putCnt++ } - putCnt++ } else { if !txn.IsPessimistic() && flags.HasPresumeKeyNotExists() { // delete-your-writes keys in optimistic txn need check not exists in prewrite-phase diff --git a/store/tikv/2pc_test.go b/store/tikv/2pc_test.go index 1c4b32d090df2..c11fe894c1946 100644 --- a/store/tikv/2pc_test.go +++ b/store/tikv/2pc_test.go @@ -28,12 +28,14 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/failpoint" "github.com/pingcap/kvproto/pkg/kvrpcpb" + pb "github.com/pingcap/kvproto/pkg/kvrpcpb" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/store/mockstore/cluster" "github.com/pingcap/tidb/store/mockstore/mocktikv" "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/store/tikv/tikvrpc" + "github.com/pingcap/tidb/tablecodec" ) type testCommitterSuite struct { @@ -1029,6 +1031,29 @@ func (c *twoPhaseCommitter) mutationsOfKeys(keys [][]byte) CommitterMutations { return &res } +func (s *testCommitterSuite) TestResolvePessimisticLock(c *C) { + untouchedIndexKey := kv.Key("t00000001_i000000001") + untouchedIndexValue := []byte{0, 0, 0, 0, 0, 0, 0, 1, 49} + noValueIndexKey := kv.Key("t00000001_i000000002") + c.Assert(tablecodec.IsUntouchedIndexKValue(untouchedIndexKey, untouchedIndexValue), IsTrue) + txn := s.begin(c) + err := txn.Set(untouchedIndexKey, untouchedIndexValue) + c.Assert(err, IsNil) + lockCtx := &kv.LockCtx{ForUpdateTS: txn.startTS, WaitStartTime: time.Now(), LockWaitTime: kv.LockNoWait} + err = txn.LockKeys(context.Background(), lockCtx, untouchedIndexKey, noValueIndexKey) + c.Assert(err, IsNil) + commit, err := newTwoPhaseCommitterWithInit(txn, 1) + c.Assert(err, IsNil) + mutation := commit.mutationsOfKeys([][]byte{untouchedIndexKey, noValueIndexKey}) + c.Assert(mutation.Len(), Equals, 2) + c.Assert(mutation.GetOp(0), Equals, pb.Op_Lock) + c.Assert(mutation.GetKey(0), BytesEquals, []byte(untouchedIndexKey)) + c.Assert(mutation.GetValue(0), BytesEquals, untouchedIndexValue) + c.Assert(mutation.GetOp(1), Equals, pb.Op_Lock) + c.Assert(mutation.GetKey(1), BytesEquals, []byte(noValueIndexKey)) + c.Assert(mutation.GetValue(1), BytesEquals, []byte{}) +} + func (s *testCommitterSuite) TestCommitDeadLock(c *C) { // Split into two region and let k1 k2 in different regions. s.cluster.SplitKeys(kv.Key("z"), kv.Key("a"), 2) From e33b37789c616d7b7c997748cdd7eac6d6ec835c Mon Sep 17 00:00:00 2001 From: wjHuang Date: Thu, 3 Dec 2020 21:42:49 +0800 Subject: [PATCH 0376/1021] planner: add projection if expand virtual generated column (#20478) Signed-off-by: wjhuang2016 --- .../explain_generate_column_substitute.result | 44 +++++++++---------- cmd/explaintest/r/generated_columns.result | 26 ++++++----- expression/integration_test.go | 13 ++++++ planner/core/task.go | 26 ++++++++++- 4 files changed, 74 insertions(+), 35 deletions(-) diff --git a/cmd/explaintest/r/explain_generate_column_substitute.result b/cmd/explaintest/r/explain_generate_column_substitute.result index 803e11973e5a6..0e43618421be3 100644 --- a/cmd/explaintest/r/explain_generate_column_substitute.result +++ b/cmd/explaintest/r/explain_generate_column_substitute.result @@ -109,8 +109,8 @@ a b c e 5 -1 6 4 desc select a+1 from t order by a+1; id estRows task access object operator info -IndexReader_13 10000.00 root index:IndexFullScan_12 -└─IndexFullScan_12 10000.00 cop[tikv] table:t, index:idx_c(c) keep order:true, stats:pseudo +IndexReader_14 10000.00 root index:IndexFullScan_13 +└─IndexFullScan_13 10000.00 cop[tikv] table:t, index:idx_c(c) keep order:true, stats:pseudo select a+1 from t order by a+1; a+1 0 @@ -122,8 +122,8 @@ a+1 6 desc select b+a from t order by b+a; id estRows task access object operator info -IndexReader_13 10000.00 root index:IndexFullScan_12 -└─IndexFullScan_12 10000.00 cop[tikv] table:t, index:idx_e(e) keep order:true, stats:pseudo +IndexReader_14 10000.00 root index:IndexFullScan_13 +└─IndexFullScan_13 10000.00 cop[tikv] table:t, index:idx_e(e) keep order:true, stats:pseudo select b+a from t order by b+a; b+a -3 @@ -183,9 +183,9 @@ a+1 desc select c from t where a+1=3; id estRows task access object operator info Projection_4 10.00 root test.t.c -└─IndexLookUp_10 10.00 root - ├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[3,3], keep order:false, stats:pseudo - └─TableRowIDScan_9(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo +└─IndexLookUp_11 10.00 root + ├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) range:[3,3], keep order:false, stats:pseudo + └─TableRowIDScan_10(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo select c from t where a+1=3; c 3 @@ -208,9 +208,9 @@ b+a desc select e from t where b+a=3; id estRows task access object operator info Projection_4 10.00 root test.t.e -└─IndexLookUp_10 10.00 root - ├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t, index:expr_idx_e(`b` + `a`) range:[3,3], keep order:false, stats:pseudo - └─TableRowIDScan_9(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo +└─IndexLookUp_11 10.00 root + ├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t, index:expr_idx_e(`b` + `a`) range:[3,3], keep order:false, stats:pseudo + └─TableRowIDScan_10(Probe) 10.00 cop[tikv] table:t keep order:false, stats:pseudo select e from t where b+a=3; e 3 @@ -276,8 +276,8 @@ a b c e 5 -1 6 4 desc select a+1 from t order by a+1; id estRows task access object operator info -IndexReader_13 10000.00 root index:IndexFullScan_12 -└─IndexFullScan_12 10000.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) keep order:true, stats:pseudo +IndexReader_14 10000.00 root index:IndexFullScan_13 +└─IndexFullScan_13 10000.00 cop[tikv] table:t, index:expr_idx_c(`a` + 1) keep order:true, stats:pseudo select a+1 from t order by a+1; a+1 0 @@ -289,8 +289,8 @@ a+1 6 desc select b+a from t order by b+a; id estRows task access object operator info -IndexReader_13 10000.00 root index:IndexFullScan_12 -└─IndexFullScan_12 10000.00 cop[tikv] table:t, index:expr_idx_e(`b` + `a`) keep order:true, stats:pseudo +IndexReader_14 10000.00 root index:IndexFullScan_13 +└─IndexFullScan_13 10000.00 cop[tikv] table:t, index:expr_idx_e(`b` + `a`) keep order:true, stats:pseudo select b+a from t order by b+a; b+a -3 @@ -345,29 +345,29 @@ drop table if exists t0; create table t0(c0 float(25), c1 double as (c0) unique); explain select c0 from t0; id estRows task access object operator info -IndexReader_7 10000.00 root index:IndexFullScan_6 -└─IndexFullScan_6 10000.00 cop[tikv] table:t0, index:c1(c1) keep order:false, stats:pseudo +IndexReader_8 10000.00 root index:IndexFullScan_7 +└─IndexFullScan_7 10000.00 cop[tikv] table:t0, index:c1(c1) keep order:false, stats:pseudo -- IndexRead drop table if exists t0; create table t0(c0 double, c1 double as (c0) unique); explain select c0 from t0; id estRows task access object operator info -IndexReader_7 10000.00 root index:IndexFullScan_6 -└─IndexFullScan_6 10000.00 cop[tikv] table:t0, index:c1(c1) keep order:false, stats:pseudo +IndexReader_8 10000.00 root index:IndexFullScan_7 +└─IndexFullScan_7 10000.00 cop[tikv] table:t0, index:c1(c1) keep order:false, stats:pseudo -- IndexRead drop table if exists t0; create table t0(c0 double, c1 double as (c0) unique); explain select c0 from t0; id estRows task access object operator info -IndexReader_7 10000.00 root index:IndexFullScan_6 -└─IndexFullScan_6 10000.00 cop[tikv] table:t0, index:c1(c1) keep order:false, stats:pseudo +IndexReader_8 10000.00 root index:IndexFullScan_7 +└─IndexFullScan_7 10000.00 cop[tikv] table:t0, index:c1(c1) keep order:false, stats:pseudo -- IndexRead drop table if exists t0; create table t0(c0 float(24), c1 float as (c0) unique); explain select c0 from t0; id estRows task access object operator info -IndexReader_7 10000.00 root index:IndexFullScan_6 -└─IndexFullScan_6 10000.00 cop[tikv] table:t0, index:c1(c1) keep order:false, stats:pseudo +IndexReader_8 10000.00 root index:IndexFullScan_7 +└─IndexFullScan_7 10000.00 cop[tikv] table:t0, index:c1(c1) keep order:false, stats:pseudo -- IndexRead drop table if exists t0; create table t0(c0 float(25), c1 float as (c0) unique); diff --git a/cmd/explaintest/r/generated_columns.result b/cmd/explaintest/r/generated_columns.result index dad75f5aeca9e..77585086bb35b 100644 --- a/cmd/explaintest/r/generated_columns.result +++ b/cmd/explaintest/r/generated_columns.result @@ -123,9 +123,9 @@ IndexReader_6 10.00 root index:IndexRangeScan_5 EXPLAIN SELECT b, c, d FROM t1 WHERE b=1; id estRows task access object operator info Projection_4 10.00 root test.t1.b, test.t1.c, test.t1.d -└─IndexLookUp_10 10.00 root - ├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t1, index:b(b) range:[1,1], keep order:false, stats:pseudo - └─TableRowIDScan_9(Probe) 10.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─IndexLookUp_11 10.00 root + ├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:t1, index:b(b) range:[1,1], keep order:false, stats:pseudo + └─TableRowIDScan_10(Probe) 10.00 cop[tikv] table:t1 keep order:false, stats:pseudo EXPLAIN SELECT * FROM t1 WHERE b=1; id estRows task access object operator info IndexLookUp_10 10.00 root @@ -147,9 +147,9 @@ INSERT INTO person (name, address_info) VALUES ("John", CAST('{"city_no": 1}' AS EXPLAIN SELECT name FROM person where city_no=1; id estRows task access object operator info Projection_4 10.00 root test.person.name -└─IndexLookUp_10 10.00 root - ├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:person, index:city_no(city_no) range:[1,1], keep order:false, stats:pseudo - └─TableRowIDScan_9(Probe) 10.00 cop[tikv] table:person keep order:false, stats:pseudo +└─IndexLookUp_11 10.00 root + ├─IndexRangeScan_9(Build) 10.00 cop[tikv] table:person, index:city_no(city_no) range:[1,1], keep order:false, stats:pseudo + └─TableRowIDScan_10(Probe) 10.00 cop[tikv] table:person keep order:false, stats:pseudo DROP TABLE IF EXISTS t1; CREATE TABLE t1 (a INT, b INT GENERATED ALWAYS AS (-a) VIRTUAL, @@ -177,9 +177,10 @@ HashAgg_5 8000.00 root group by:Column#7, funcs:sum(Column#6)->Column#5 EXPLAIN SELECT sum(b) FROM t1 GROUP BY c; id estRows task access object operator info HashAgg_5 8000.00 root group by:Column#9, funcs:sum(Column#8)->Column#5 -└─Projection_18 10000.00 root cast(test.t1.b, decimal(32,0) BINARY)->Column#8, test.t1.c - └─TableReader_11 10000.00 root data:TableFullScan_10 - └─TableFullScan_10 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─Projection_20 10000.00 root cast(test.t1.b, decimal(32,0) BINARY)->Column#8, test.t1.c + └─Projection_12 10000.00 root test.t1.b, test.t1.c + └─TableReader_11 10000.00 root data:TableFullScan_10 + └─TableFullScan_10 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo EXPLAIN SELECT sum(c) FROM t1 GROUP BY a; id estRows task access object operator info HashAgg_9 8000.00 root group by:test.t1.a, funcs:sum(Column#6)->Column#5 @@ -189,9 +190,10 @@ HashAgg_9 8000.00 root group by:test.t1.a, funcs:sum(Column#6)->Column#5 EXPLAIN SELECT sum(c) FROM t1 GROUP BY b; id estRows task access object operator info HashAgg_5 8000.00 root group by:Column#7, funcs:sum(Column#6)->Column#5 -└─Projection_12 10000.00 root cast(test.t1.c, decimal(32,0) BINARY)->Column#6, test.t1.b - └─TableReader_9 10000.00 root data:TableFullScan_8 - └─TableFullScan_8 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +└─Projection_14 10000.00 root cast(test.t1.c, decimal(32,0) BINARY)->Column#6, test.t1.b + └─Projection_10 10000.00 root test.t1.b, test.t1.c + └─TableReader_9 10000.00 root data:TableFullScan_8 + └─TableFullScan_8 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo DROP TABLE IF EXISTS tu; CREATE TABLE tu (a INT, b INT, c INT GENERATED ALWAYS AS (a + b) VIRTUAL, primary key (a), unique key uk(c)); INSERT INTO tu(a, b) VALUES(1, 2); diff --git a/expression/integration_test.go b/expression/integration_test.go index 5e16c86a16eaf..49c43affbc742 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -6055,6 +6055,19 @@ func (s *testIntegrationSerialSuite) TestCacheConstEval(c *C) { tk.MustExec("admin reload expr_pushdown_blacklist") } +func (s *testSuite) TestIssue20071(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("drop table if exists table_30_utf8_4") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int)") + tk.MustExec("insert into t values(1)") + tk.MustExec("create table table_30_utf8_4 ( `pk` int primary key, `col_int_key_unsigned` int unsigned , `col_int_key_signed` int, `col_float_key_signed` float , `col_float_key_unsigned` float unsigned) character set utf8 partition by hash(pk) partitions 4;") + tk.MustExec("insert ignore into table_30_utf8_4 values (0,91, 10, 14,19.0495)") + tk.MustExec("alter table table_30_utf8_4 add column a int as (col_int_key_signed * 2)") + tk.MustExec("SELECT count(1) AS val FROM table_30_utf8_4 WHERE table_30_utf8_4.col_int_key_unsigned!=table_30_utf8_4.a OR (SELECT count(1) AS val FROM t WHERE table_30_utf8_4.col_float_key_signed!=table_30_utf8_4.col_float_key_unsigned )!=7984764426240273913;") + tk.MustExec("select a from table_30_utf8_4 order by a") +} + func (s *testSuite) TestVirtualGeneratedColumnAndLimit(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("drop table if exists t;") diff --git a/planner/core/task.go b/planner/core/task.go index 9ea179e7c6ca3..ae54c46b89e78 100644 --- a/planner/core/task.go +++ b/planner/core/task.go @@ -172,6 +172,15 @@ func (p *basePhysicalPlan) attach2Task(tasks ...task) task { } func (p *PhysicalUnionScan) attach2Task(tasks ...task) task { + if pj, ok := tasks[0].plan().(*PhysicalProjection); ok { + // Convert unionScan->projection to projection->unionScan, because unionScan can't handle projection as its children. + p.SetChildren(pj.children...) + p.stats = tasks[0].plan().statsInfo() + rt, _ := tasks[0].(*rootTask) + rt.p = pj.children[0] + pj.SetChildren(p) + return pj.attach2Task(p.basePhysicalPlan.attach2Task(tasks...)) + } p.stats = tasks[0].plan().statsInfo() return p.basePhysicalPlan.attach2Task(tasks...) } @@ -724,6 +733,8 @@ func finishCopTask(ctx sessionctx.Context, task task) task { // the number of regions involved, we simply use DistSQLScanConcurrency. copIterWorkers := float64(t.plan().SCtx().GetSessionVars().DistSQLScanConcurrency()) t.finishIndexPlan() + needExtraProj := false + var prevSchema *expression.Schema // Network cost of transferring rows of table scan to TiDB. if t.tablePlan != nil { t.cst += t.count() * sessVars.NetworkFactor * t.tblColHists.GetAvgRowSize(ctx, t.tablePlan.Schema().Columns, false, false) @@ -738,7 +749,13 @@ func finishCopTask(ctx sessionctx.Context, task task) task { } } ts := tp.(*PhysicalTableScan) + prevColumnLen := len(ts.Columns) + prevSchema = ts.schema.Clone() ts.Columns = ExpandVirtualColumn(ts.Columns, ts.schema, ts.Table.Columns) + if len(ts.Columns) > prevColumnLen { + // Add an projection to make sure not to output extract columns. + needExtraProj = true + } } t.cst /= copIterWorkers newTask := &rootTask{ @@ -779,7 +796,14 @@ func finishCopTask(ctx sessionctx.Context, task task) task { }.Init(ctx, t.tablePlan.SelectBlockOffset()) p.PartitionInfo = t.partitionInfo p.stats = t.tablePlan.statsInfo() - newTask.p = p + if needExtraProj { + proj := PhysicalProjection{Exprs: expression.Column2Exprs(prevSchema.Columns)}.Init(ts.ctx, ts.stats, ts.SelectBlockOffset(), nil) + proj.SetSchema(prevSchema) + proj.SetChildren(p) + newTask.p = proj + } else { + newTask.p = p + } } if len(t.rootTaskConds) > 0 { From 7e3074afa3f3db4555e44e720d7ed77d9797e501 Mon Sep 17 00:00:00 2001 From: Lenshood <7877221+LENSHOOD@users.noreply.github.com> Date: Fri, 4 Dec 2020 00:14:48 +0800 Subject: [PATCH 0377/1021] ddl: support column type change from JSON type to other types (#21266) --- ddl/column_type_change_test.go | 374 +++++++++++++++++++++++++++++++++ ddl/db_test.go | 231 ++++++++++---------- ddl/ddl_api.go | 5 + expression/builtin_cast.go | 2 +- expression/builtin_cast_vec.go | 2 +- sessionctx/stmtctx/stmtctx.go | 4 +- types/convert.go | 44 +++- types/convert_test.go | 11 +- types/datum.go | 10 +- 9 files changed, 543 insertions(+), 140 deletions(-) diff --git a/ddl/column_type_change_test.go b/ddl/column_type_change_test.go index c4774ada899e4..41b268a971d3f 100644 --- a/ddl/column_type_change_test.go +++ b/ddl/column_type_change_test.go @@ -1167,3 +1167,377 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromDateTimeTypeToOthers tk.MustExec("alter table t modify y json") tk.MustQuery("select * from t").Check(testkit.Rows("\"2020-10-30\" \"19:38:25.001\" \"2020-10-30 08:21:33.455555\" \"2020-10-30 08:21:33.455555\" 2020")) } + +func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromJsonToOthers(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + // Enable column change variable. + tk.Se.GetSessionVars().EnableChangeColumnType = true + + // Set time zone to UTC. + originalTz := tk.Se.GetSessionVars().TimeZone + tk.Se.GetSessionVars().TimeZone = time.UTC + defer func() { + tk.Se.GetSessionVars().EnableChangeColumnType = false + tk.Se.GetSessionVars().TimeZone = originalTz + }() + + // Init string date type table. + reset := func(tk *testkit.TestKit) { + tk.MustExec("drop table if exists t") + tk.MustExec(` + create table t ( + obj json, + arr json, + nil json, + t json, + f json, + i json, + ui json, + f64 json, + str json + ) + `) + } + + // To numeric data types. + // tinyint + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '{"obj": 100}' for column 'obj' at row 1". + tk.MustExec("alter table t modify obj tinyint") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '[-1, 0, 1]' for column 'arr' at row 1". + tk.MustExec("alter table t modify arr tinyint") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'null' for column 'nil' at row 1". + tk.MustExec("alter table t modify nil tinyint") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'true' for column 't' at row 1". + tk.MustExec("alter table t modify t tinyint") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'false' for column 'f' at row 1". + tk.MustExec("alter table t modify f tinyint") + tk.MustExec("alter table t modify i tinyint") + tk.MustExec("alter table t modify ui tinyint") + tk.MustGetErrCode("alter table t modify f64 tinyint", mysql.ErrDataOutOfRange) + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '"json string"' for column 'str' at row 1". + tk.MustGetErrCode("alter table t modify str tinyint", mysql.ErrTruncatedWrongValue) + tk.MustQuery("select * from t").Check(testkit.Rows("0 0 0 1 0 -22 22 323232323.32323235 \"json string\"")) + + // int + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '{"obj": 100}' for column 'obj' at row 1". + tk.MustExec("alter table t modify obj int") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '[-1, 0, 1]' for column 'arr' at row 1". + tk.MustExec("alter table t modify arr int") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'null' for column 'nil' at row 1". + tk.MustExec("alter table t modify nil int") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'true' for column 't' at row 1". + tk.MustExec("alter table t modify t int") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'false' for column 'f' at row 1". + tk.MustExec("alter table t modify f int") + tk.MustExec("alter table t modify i int") + tk.MustExec("alter table t modify ui int") + tk.MustExec("alter table t modify f64 int") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '"json string"' for column 'str' at row 1". + tk.MustGetErrCode("alter table t modify str int", mysql.ErrTruncatedWrongValue) + tk.MustQuery("select * from t").Check(testkit.Rows("0 0 0 1 0 -22 22 323232323 \"json string\"")) + + // bigint + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '{"obj": 100}' for column 'obj' at row 1". + tk.MustExec("alter table t modify obj bigint") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '[-1, 0, 1]' for column 'arr' at row 1". + tk.MustExec("alter table t modify arr bigint") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'null' for column 'nil' at row 1". + tk.MustExec("alter table t modify nil bigint") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'true' for column 't' at row 1". + tk.MustExec("alter table t modify t bigint") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'false' for column 'f' at row 1". + tk.MustExec("alter table t modify f bigint") + tk.MustExec("alter table t modify i bigint") + tk.MustExec("alter table t modify ui bigint") + tk.MustExec("alter table t modify f64 bigint") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '"json string"' for column 'str' at row 1". + tk.MustGetErrCode("alter table t modify str bigint", mysql.ErrTruncatedWrongValue) + tk.MustQuery("select * from t").Check(testkit.Rows("0 0 0 1 0 -22 22 323232323 \"json string\"")) + + // unsigned bigint + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '{"obj": 100}' for column 'obj' at row 1". + tk.MustExec("alter table t modify obj bigint unsigned") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '[-1, 0, 1]' for column 'arr' at row 1". + tk.MustExec("alter table t modify arr bigint unsigned") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'null' for column 'nil' at row 1". + tk.MustExec("alter table t modify nil bigint unsigned") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'true' for column 't' at row 1". + tk.MustExec("alter table t modify t bigint unsigned") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'false' for column 'f' at row 1". + tk.MustExec("alter table t modify f bigint unsigned") + // MySQL will get "ERROR 1264 (22003) Out of range value for column 'i' at row 1". + tk.MustGetErrCode("alter table t modify i bigint unsigned", mysql.ErrDataOutOfRange) + tk.MustExec("alter table t modify ui bigint unsigned") + tk.MustExec("alter table t modify f64 bigint unsigned") + // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '"json string"' for column 'str' at row 1". + tk.MustGetErrCode("alter table t modify str bigint unsigned", mysql.ErrTruncatedWrongValue) + tk.MustQuery("select * from t").Check(testkit.Rows("0 0 0 1 0 -22 22 323232323 \"json string\"")) + + // bit + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") + tk.MustGetErrCode("alter table t modify obj bit", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify arr bit", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify nil bit", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify t bit", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify f bit", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify i bit", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify ui bit", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify f64 bit", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify str bit", mysql.ErrUnsupportedDDLOperation) + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] null true false -22 22 323232323.32323235 \"json string\"")) + + // decimal + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") + // MySQL will get "ERROR 3156 (22001) Invalid JSON value for CAST to DECIMAL from column obj at row 1". + tk.MustExec("alter table t modify obj decimal(20, 10)") + // MySQL will get "ERROR 3156 (22001) Invalid JSON value for CAST to DECIMAL from column arr at row 1". + tk.MustExec("alter table t modify arr decimal(20, 10)") + // MySQL will get "ERROR 3156 (22001) Invalid JSON value for CAST to DECIMAL from column nil at row 1". + tk.MustExec("alter table t modify nil decimal(20, 10)") + tk.MustExec("alter table t modify t decimal(20, 10)") + tk.MustExec("alter table t modify f decimal(20, 10)") + tk.MustExec("alter table t modify i decimal(20, 10)") + tk.MustExec("alter table t modify ui decimal(20, 10)") + tk.MustExec("alter table t modify f64 decimal(20, 10)") + // MySQL will get "ERROR 1366 (HY000): Incorrect DECIMAL value: '0' for column '' at row -1". + tk.MustGetErrCode("alter table t modify str decimal(20, 10)", mysql.ErrTruncatedWrongValue) + tk.MustQuery("select * from t").Check(testkit.Rows("0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 -22.0000000000 22.0000000000 323232323.3232323500 \"json string\"")) + + // double + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") + // MySQL will get "ERROR 1265 (01000): Data truncated for column 'obj' at row 1". + tk.MustExec("alter table t modify obj double") + // MySQL will get "ERROR 1265 (01000): Data truncated for column 'arr' at row 1". + tk.MustExec("alter table t modify arr double") + // MySQL will get "ERROR 1265 (01000): Data truncated for column 'nil' at row 1". + tk.MustExec("alter table t modify nil double") + // MySQL will get "ERROR 1265 (01000): Data truncated for column 't' at row 1". + tk.MustExec("alter table t modify t double") + // MySQL will get "ERROR 1265 (01000): Data truncated for column 'f' at row 1". + tk.MustExec("alter table t modify f double") + tk.MustExec("alter table t modify i double") + tk.MustExec("alter table t modify ui double") + tk.MustExec("alter table t modify f64 double") + // MySQL will get "ERROR 1265 (01000): Data truncated for column 'str' at row 1". + tk.MustGetErrCode("alter table t modify str double", mysql.ErrTruncatedWrongValue) + tk.MustQuery("select * from t").Check(testkit.Rows("0 0 0 1 0 -22 22 323232323.32323235 \"json string\"")) + + // To string data types. + // char + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") + tk.MustExec("alter table t modify obj char(20)") + tk.MustExec("alter table t modify arr char(20)") + tk.MustExec("alter table t modify nil char(20)") + tk.MustExec("alter table t modify t char(20)") + tk.MustExec("alter table t modify f char(20)") + tk.MustExec("alter table t modify i char(20)") + tk.MustExec("alter table t modify ui char(20)") + tk.MustExec("alter table t modify f64 char(20)") + tk.MustExec("alter table t modify str char(20)") + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] null true false -22 22 323232323.32323235 \"json string\"")) + + // varchar + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") + tk.MustExec("alter table t modify obj varchar(20)") + tk.MustExec("alter table t modify arr varchar(20)") + tk.MustExec("alter table t modify nil varchar(20)") + tk.MustExec("alter table t modify t varchar(20)") + tk.MustExec("alter table t modify f varchar(20)") + tk.MustExec("alter table t modify i varchar(20)") + tk.MustExec("alter table t modify ui varchar(20)") + tk.MustExec("alter table t modify f64 varchar(20)") + tk.MustExec("alter table t modify str varchar(20)") + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] null true false -22 22 323232323.32323235 \"json string\"")) + + // binary + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") + tk.MustExec("alter table t modify obj binary(20)") + tk.MustExec("alter table t modify arr binary(20)") + tk.MustExec("alter table t modify nil binary(20)") + tk.MustExec("alter table t modify t binary(20)") + tk.MustExec("alter table t modify f binary(20)") + tk.MustExec("alter table t modify i binary(20)") + tk.MustExec("alter table t modify ui binary(20)") + tk.MustExec("alter table t modify f64 binary(20)") + tk.MustExec("alter table t modify str binary(20)") + tk.MustQuery("select * from t").Check(testkit.Rows( + "{\"obj\": 100}\x00\x00\x00\x00\x00\x00\x00\x00 " + + "[-1, 0, 1]\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 " + + "null\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 " + + "true\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 " + + "false\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 " + + "-22\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 " + + "22\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00 " + + "323232323.32323235\x00\x00 " + + "\"json string\"\x00\x00\x00\x00\x00\x00\x00")) + // varbinary + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") + tk.MustExec("alter table t modify obj varbinary(20)") + tk.MustExec("alter table t modify arr varbinary(20)") + tk.MustExec("alter table t modify nil varbinary(20)") + tk.MustExec("alter table t modify t varbinary(20)") + tk.MustExec("alter table t modify f varbinary(20)") + tk.MustExec("alter table t modify i varbinary(20)") + tk.MustExec("alter table t modify ui varbinary(20)") + tk.MustExec("alter table t modify f64 varbinary(20)") + tk.MustExec("alter table t modify str varbinary(20)") + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] null true false -22 22 323232323.32323235 \"json string\"")) + + // blob + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") + tk.MustExec("alter table t modify obj blob") + tk.MustExec("alter table t modify arr blob") + tk.MustExec("alter table t modify nil blob") + tk.MustExec("alter table t modify t blob") + tk.MustExec("alter table t modify f blob") + tk.MustExec("alter table t modify i blob") + tk.MustExec("alter table t modify ui blob") + tk.MustExec("alter table t modify f64 blob") + tk.MustExec("alter table t modify str blob") + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] null true false -22 22 323232323.32323235 \"json string\"")) + + // text + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") + tk.MustExec("alter table t modify obj text") + tk.MustExec("alter table t modify arr text") + tk.MustExec("alter table t modify nil text") + tk.MustExec("alter table t modify t text") + tk.MustExec("alter table t modify f text") + tk.MustExec("alter table t modify i text") + tk.MustExec("alter table t modify ui text") + tk.MustExec("alter table t modify f64 text") + tk.MustExec("alter table t modify str text") + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] null true false -22 22 323232323.32323235 \"json string\"")) + + // enum + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") + tk.MustGetErrCode("alter table t modify obj enum('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify arr enum('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify nil enum('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify t enum('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify f enum('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify i enum('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify ui enum('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify f64 enum('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify str enum('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] null true false -22 22 323232323.32323235 \"json string\"")) + + // set + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") + tk.MustGetErrCode("alter table t modify obj set('{\"obj\": 100}', '[-1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify arr set('{\"obj\": 100}', '[-1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify nil set('{\"obj\": 100}', '[-1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify t set('{\"obj\": 100}', '[-1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify f set('{\"obj\": 100}', '[-1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify i set('{\"obj\": 100}', '[-1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify ui set('{\"obj\": 100}', '[-1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify f64 set('{\"obj\": 100}', '[-1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustGetErrCode("alter table t modify str set('{\"obj\": 100}', '[-1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')", mysql.ErrUnsupportedDDLOperation) + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1] null true false -22 22 323232323.32323235 \"json string\"")) + + // To date and time data types. + // datetime + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '20200826173501', '20201123', '20200826173501.123456', '\"2020-08-26 17:35:01.123456\"')") + tk.MustGetErrCode("alter table t modify obj datetime", mysql.ErrTruncatedWrongValue) + tk.MustGetErrCode("alter table t modify arr datetime", mysql.ErrTruncatedWrongValue) + tk.MustGetErrCode("alter table t modify nil datetime", mysql.ErrTruncatedWrongValue) + tk.MustGetErrCode("alter table t modify t datetime", mysql.ErrTruncatedWrongValue) + tk.MustGetErrCode("alter table t modify f datetime", mysql.ErrTruncatedWrongValue) + tk.MustExec("alter table t modify i datetime") + tk.MustExec("alter table t modify ui datetime") + tk.MustExec("alter table t modify f64 datetime") + // MySQL will get "ERROR 1292 (22007): Incorrect datetime value: '"2020-08-26 17:35:01.123456"' for column 'str' at row 1". + tk.MustExec("alter table t modify str datetime") + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] null true false 2020-08-26 17:35:01 2020-11-23 00:00:00 2020-08-26 17:35:01 2020-08-26 17:35:01")) + + // time + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '200805', '1111', '200805.11', '\"19:35:41\"')") + // MySQL will get "ERROR 1366 (HY000): Incorrect time value: '{"obj": 100}' for column 'obj' at row 1". + tk.MustGetErrCode("alter table t modify obj time", mysql.ErrTruncatedWrongValue) + // MySQL will get "ERROR 1366 (HY000): Incorrect time value: '[-1, 0, 1]' for column 'arr' at row 11". + tk.MustGetErrCode("alter table t modify arr time", mysql.ErrTruncatedWrongValue) + // MySQL will get "ERROR 1366 (HY000): Incorrect time value: 'null' for column 'nil' at row 1". + tk.MustGetErrCode("alter table t modify nil time", mysql.ErrTruncatedWrongValue) + // MySQL will get "ERROR 1366 (HY000): Incorrect time value: 'true' for column 't' at row 1". + tk.MustGetErrCode("alter table t modify t time", mysql.ErrTruncatedWrongValue) + // MySQL will get "ERROR 1366 (HY000): Incorrect time value: 'true' for column 't' at row 1". + tk.MustGetErrCode("alter table t modify f time", mysql.ErrTruncatedWrongValue) + tk.MustExec("alter table t modify i time") + tk.MustExec("alter table t modify ui time") + tk.MustExec("alter table t modify f64 time") + // MySQL will get "ERROR 1292 (22007): Incorrect time value: '"19:35:41"' for column 'str' at row 1". + tk.MustExec("alter table t modify str time") + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] null true false 20:08:05 00:11:11 20:08:05 19:35:41")) + + // date + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '20200826173501', '20201123', '20200826173501.123456', '\"2020-08-26 17:35:01.123456\"')") + tk.MustGetErrCode("alter table t modify obj date", mysql.ErrTruncatedWrongValue) + tk.MustGetErrCode("alter table t modify arr date", mysql.ErrTruncatedWrongValue) + tk.MustGetErrCode("alter table t modify nil date", mysql.ErrTruncatedWrongValue) + tk.MustGetErrCode("alter table t modify t date", mysql.ErrTruncatedWrongValue) + tk.MustGetErrCode("alter table t modify f date", mysql.ErrTruncatedWrongValue) + tk.MustExec("alter table t modify i date") + tk.MustExec("alter table t modify ui date") + tk.MustExec("alter table t modify f64 date") + // MySQL will get "ERROR 1292 (22007): Incorrect date value: '"2020-08-26 17:35:01.123456"' for column 'str' at row 1". + tk.MustExec("alter table t modify str date") + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] null true false 2020-08-26 2020-11-23 2020-08-26 2020-08-26")) + + // timestamp + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '20200826173501', '20201123', '20200826173501.123456', '\"2020-08-26 17:35:01.123456\"')") + tk.MustGetErrCode("alter table t modify obj timestamp", mysql.ErrTruncatedWrongValue) + tk.MustGetErrCode("alter table t modify arr timestamp", mysql.ErrTruncatedWrongValue) + tk.MustGetErrCode("alter table t modify nil timestamp", mysql.ErrTruncatedWrongValue) + tk.MustGetErrCode("alter table t modify t timestamp", mysql.ErrTruncatedWrongValue) + tk.MustGetErrCode("alter table t modify f timestamp", mysql.ErrTruncatedWrongValue) + tk.MustExec("alter table t modify i timestamp") + tk.MustExec("alter table t modify ui timestamp") + tk.MustExec("alter table t modify f64 timestamp") + // MySQL will get "ERROR 1292 (22007): Incorrect timestamptime value: '"2020-08-26 17:35:01.123456"' for column 'str' at row 1". + tk.MustExec("alter table t modify str timestamp") + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] null true false 2020-08-26 17:35:01 2020-11-23 00:00:00 2020-08-26 17:35:01 2020-08-26 17:35:01")) + + // year + reset(tk) + tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '2020', '91', '9', '\"2020\"')") + // MySQL will get "ERROR 1366 (HY000): Incorrect integer value: '{"obj": 100}' for column 'obj' at row 1". + tk.MustExec("alter table t modify obj year") + // MySQL will get "ERROR 1366 (HY000): Incorrect integer value: '[-1, 0, 1]' for column 'arr' at row 11". + tk.MustExec("alter table t modify arr year") + // MySQL will get "ERROR 1366 (HY000): Incorrect integer value: 'null' for column 'nil' at row 1". + tk.MustExec("alter table t modify nil year") + // MySQL will get "ERROR 1366 (HY000): Incorrect integer value: 'true' for column 't' at row 1". + tk.MustExec("alter table t modify t year") + // MySQL will get "ERROR 1366 (HY000): Incorrect integer value: 'false' for column 'f' at row 1". + tk.MustExec("alter table t modify f year") + tk.MustExec("alter table t modify i year") + tk.MustExec("alter table t modify ui year") + tk.MustExec("alter table t modify f64 year") + // MySQL will get "ERROR 1366 (HY000): Incorrect integer value: '"2020"' for column 'str' at row 1". + tk.MustExec("alter table t modify str year") + tk.MustQuery("select * from t").Check(testkit.Rows("0 0 0 2001 0 2020 1991 2009 2020")) +} diff --git a/ddl/db_test.go b/ddl/db_test.go index f34294b5b5763..0fb2b561646ad 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -4735,32 +4735,33 @@ func (s *testDBSuite1) TestModifyColumnTime(c *C) { enableChangeColumnType := tk.Se.GetSessionVars().EnableChangeColumnType tk.Se.GetSessionVars().EnableChangeColumnType = true + // Set time zone to UTC. + originalTz := tk.Se.GetSessionVars().TimeZone + tk.Se.GetSessionVars().TimeZone = time.UTC defer func() { variable.SetDDLErrorCountLimit(limit) tk.Se.GetSessionVars().EnableChangeColumnType = enableChangeColumnType + tk.Se.GetSessionVars().TimeZone = originalTz }() - //now := time.Now() - //now = time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, time.UTC) - //nowLoc := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, time.Local) - - //timeToDate1 := nowLoc.Format("2006-01-02") - //timeToDate2 := nowLoc.AddDate(0, 0, 30).Format("2006-01-02") - - //timeToDatetime1 := nowLoc.Add(20 * time.Hour).Add(12 * time.Second).Format("2006-01-02 15:04:05") - //timeToDatetime2 := nowLoc.Add(20 * time.Hour).Format("2006-01-02 15:04:05") - //timeToDatetime3 := nowLoc.Add(12 * time.Second).Format("2006-01-02 15:04:05") - //timeToDatetime4 := nowLoc.AddDate(0, 0, 30).Add(20 * time.Hour).Add(12 * time.Second).Format("2006-01-02 15:04:05") - //timeToDatetime5 := nowLoc.AddDate(0, 0, 30).Add(20 * time.Hour).Format("2006-01-02 15:04:05") - - //timeToTimestamp1 := now.Add(20 * time.Hour).Add(12 * time.Second).Format("2006-01-02 15:04:05") - //timeToTimestamp2 := now.Add(20 * time.Hour).Format("2006-01-02 15:04:05") - //timeToTimestamp3 := now.Add(12 * time.Second).Format("2006-01-02 15:04:05") - //timeToTimestamp4 := now.AddDate(0, 0, 30).Add(20 * time.Hour).Add(12 * time.Second).Format("2006-01-02 15:04:05") - //timeToTimestamp5 := now.AddDate(0, 0, 30).Add(20 * time.Hour).Format("2006-01-02 15:04:05") + now := time.Now().UTC() + now = time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, time.UTC) + timeToDate1 := now.Format("2006-01-02") + timeToDate2 := now.AddDate(0, 0, 30).Format("2006-01-02") + + timeToDatetime1 := now.Add(20 * time.Hour).Add(12 * time.Second).Format("2006-01-02 15:04:05") + timeToDatetime2 := now.Add(20 * time.Hour).Format("2006-01-02 15:04:05") + timeToDatetime3 := now.Add(12 * time.Second).Format("2006-01-02 15:04:05") + timeToDatetime4 := now.AddDate(0, 0, 30).Add(20 * time.Hour).Add(12 * time.Second).Format("2006-01-02 15:04:05") + timeToDatetime5 := now.AddDate(0, 0, 30).Add(20 * time.Hour).Format("2006-01-02 15:04:05") + + timeToTimestamp1 := now.Add(20 * time.Hour).Add(12 * time.Second).Format("2006-01-02 15:04:05") + timeToTimestamp2 := now.Add(20 * time.Hour).Format("2006-01-02 15:04:05") + timeToTimestamp3 := now.Add(12 * time.Second).Format("2006-01-02 15:04:05") + timeToTimestamp4 := now.AddDate(0, 0, 30).Add(20 * time.Hour).Add(12 * time.Second).Format("2006-01-02 15:04:05") + timeToTimestamp5 := now.AddDate(0, 0, 30).Add(20 * time.Hour).Format("2006-01-02 15:04:05") currentYear := strconv.Itoa(time.Now().Year()) - // TESTED UNDER UTC+8 // 1. In conversion between date/time, fraction parts are taken into account // Refer to doc: https://dev.mysql.com/doc/refman/5.7/en/date-and-time-type-conversion.html // 2. Failed tests are commentd to pass unit-test @@ -4788,55 +4789,52 @@ func (s *testDBSuite1) TestModifyColumnTime(c *C) { {"time", `200012.498`, "year", currentYear, 0}, // time to date - // TODO: somewhat got one day earlier than expected - //{"time", `"30 20:00:12"`, "date", timeToDate2, 0}, - //{"time", `"30 20:00"`, "date", timeToDate2, 0}, - //{"time", `"30 20"`, "date", timeToDate2, 0}, - //{"time", `"20:00:12"`, "date", timeToDate1, 0}, - //{"time", `"20:00"`, "date", timeToDate1, 0}, - //{"time", `"12"`, "date", timeToDate1, 0}, - //{"time", `"200012"`, "date", timeToDate1, 0}, - //{"time", `200012`, "date", timeToDate1, 0}, - //{"time", `0012`, "date", timeToDate1, 0}, - //{"time", `12`, "date", timeToDate1, 0}, - //{"time", `"30 20:00:12.498"`, "date", timeToDate2, 0}, - //{"time", `"20:00:12.498"`, "date", timeToDate1, 0}, - //{"time", `"200012.498"`, "date", timeToDate1, 0}, - //{"time", `200012.498`, "date", timeToDate1, 0}, + {"time", `"30 20:00:12"`, "date", timeToDate2, 0}, + {"time", `"30 20:00"`, "date", timeToDate2, 0}, + {"time", `"30 20"`, "date", timeToDate2, 0}, + {"time", `"20:00:12"`, "date", timeToDate1, 0}, + {"time", `"20:00"`, "date", timeToDate1, 0}, + {"time", `"12"`, "date", timeToDate1, 0}, + {"time", `"200012"`, "date", timeToDate1, 0}, + {"time", `200012`, "date", timeToDate1, 0}, + {"time", `0012`, "date", timeToDate1, 0}, + {"time", `12`, "date", timeToDate1, 0}, + {"time", `"30 20:00:12.498"`, "date", timeToDate2, 0}, + {"time", `"20:00:12.498"`, "date", timeToDate1, 0}, + {"time", `"200012.498"`, "date", timeToDate1, 0}, + {"time", `200012.498`, "date", timeToDate1, 0}, // time to datetime - // TODO: somewhat got one day earlier than expected - //{"time", `"30 20:00:12"`, "datetime", timeToDatetime4, 0}, - //{"time", `"30 20:00"`, "datetime", timeToDatetime5, 0}, - //{"time", `"30 20"`, "datetime", timeToDatetime5, 0}, - //{"time", `"20:00:12"`, "datetime", timeToDatetime1, 0}, - //{"time", `"20:00"`, "datetime", timeToDatetime2, 0}, - //{"time", `"12"`, "datetime", timeToDatetime3, 0}, - //{"time", `"200012"`, "datetime", timeToDatetime1, 0}, - //{"time", `200012`, "datetime", timeToDatetime1, 0}, - //{"time", `0012`, "datetime", timeToDatetime3, 0}, - //{"time", `12`, "datetime", timeToDatetime3, 0}, - //{"time", `"30 20:00:12.498"`, "datetime", timeToDatetime4, 0}, - //{"time", `"20:00:12.498"`, "datetime", timeToDatetime1, 0}, - //{"time", `"200012.498"`, "datetime", timeToDatetime1, 0}, - //{"time", `200012.498`, "datetime", timeToDatetime1, 0}, + {"time", `"30 20:00:12"`, "datetime", timeToDatetime4, 0}, + {"time", `"30 20:00"`, "datetime", timeToDatetime5, 0}, + {"time", `"30 20"`, "datetime", timeToDatetime5, 0}, + {"time", `"20:00:12"`, "datetime", timeToDatetime1, 0}, + {"time", `"20:00"`, "datetime", timeToDatetime2, 0}, + {"time", `"12"`, "datetime", timeToDatetime3, 0}, + {"time", `"200012"`, "datetime", timeToDatetime1, 0}, + {"time", `200012`, "datetime", timeToDatetime1, 0}, + {"time", `0012`, "datetime", timeToDatetime3, 0}, + {"time", `12`, "datetime", timeToDatetime3, 0}, + {"time", `"30 20:00:12.498"`, "datetime", timeToDatetime4, 0}, + {"time", `"20:00:12.498"`, "datetime", timeToDatetime1, 0}, + {"time", `"200012.498"`, "datetime", timeToDatetime1, 0}, + {"time", `200012.498`, "datetime", timeToDatetime1, 0}, // time to timestamp - // TODO: result seems correct expect 8hrs earlier - //{"time", `"30 20:00:12"`, "timestamp", timeToTimestamp4, 0}, - //{"time", `"30 20:00"`, "timestamp", timeToTimestamp5, 0}, - //{"time", `"30 20"`, "timestamp", timeToTimestamp5, 0}, - //{"time", `"20:00:12"`, "timestamp", timeToTimestamp1, 0}, - //{"time", `"20:00"`, "timestamp", timeToTimestamp2, 0}, - //{"time", `"12"`, "timestamp", timeToTimestamp3, 0}, - //{"time", `"200012"`, "timestamp", timeToTimestamp1, 0}, - //{"time", `200012`, "timestamp", timeToTimestamp1, 0}, - //{"time", `0012`, "timestamp", timeToTimestamp3, 0}, - //{"time", `12`, "timestamp", timeToTimestamp3, 0}, - //{"time", `"30 20:00:12.498"`, "timestamp", timeToTimestamp4, 0}, - //{"time", `"20:00:12.498"`, "timestamp", timeToTimestamp1, 0}, - //{"time", `"200012.498"`, "timestamp", timeToTimestamp1, 0}, - //{"time", `200012.498`, "timestamp", timeToTimestamp1, 0}, + {"time", `"30 20:00:12"`, "timestamp", timeToTimestamp4, 0}, + {"time", `"30 20:00"`, "timestamp", timeToTimestamp5, 0}, + {"time", `"30 20"`, "timestamp", timeToTimestamp5, 0}, + {"time", `"20:00:12"`, "timestamp", timeToTimestamp1, 0}, + {"time", `"20:00"`, "timestamp", timeToTimestamp2, 0}, + {"time", `"12"`, "timestamp", timeToTimestamp3, 0}, + {"time", `"200012"`, "timestamp", timeToTimestamp1, 0}, + {"time", `200012`, "timestamp", timeToTimestamp1, 0}, + {"time", `0012`, "timestamp", timeToTimestamp3, 0}, + {"time", `12`, "timestamp", timeToTimestamp3, 0}, + {"time", `"30 20:00:12.498"`, "timestamp", timeToTimestamp4, 0}, + {"time", `"20:00:12.498"`, "timestamp", timeToTimestamp1, 0}, + {"time", `"200012.498"`, "timestamp", timeToTimestamp1, 0}, + {"time", `200012.498`, "timestamp", timeToTimestamp1, 0}, // date to time {"date", `"2019-01-02"`, "time", "00:00:00", 0}, @@ -4855,22 +4853,20 @@ func (s *testDBSuite1) TestModifyColumnTime(c *C) { {"date", `190102`, "year", "2019", 0}, // date to datetime - // TODO: looks like 8hrs later than expected - //{"date", `"2019-01-02"`, "datetime", "2019-01-02 00:00:00", 0}, - //{"date", `"19-01-02"`, "datetime", "2019-01-02 00:00:00", 0}, - //{"date", `"20190102"`, "datetime", "2019-01-02 00:00:00", 0}, - //{"date", `"190102"`, "datetime", "2019-01-02 00:00:00", 0}, - //{"date", `20190102`, "datetime", "2019-01-02 00:00:00", 0}, - //{"date", `190102`, "datetime", "2019-01-02 00:00:00", 0}, + {"date", `"2019-01-02"`, "datetime", "2019-01-02 00:00:00", 0}, + {"date", `"19-01-02"`, "datetime", "2019-01-02 00:00:00", 0}, + {"date", `"20190102"`, "datetime", "2019-01-02 00:00:00", 0}, + {"date", `"190102"`, "datetime", "2019-01-02 00:00:00", 0}, + {"date", `20190102`, "datetime", "2019-01-02 00:00:00", 0}, + {"date", `190102`, "datetime", "2019-01-02 00:00:00", 0}, // date to timestamp - // TODO: looks like 8hrs later than expected - //{"date", `"2019-01-02"`, "timestamp", "2019-01-02 00:00:00", 0}, - //{"date", `"19-01-02"`, "timestamp", "2019-01-02 00:00:00", 0}, - //{"date", `"20190102"`, "timestamp", "2019-01-02 00:00:00", 0}, - //{"date", `"190102"`, "timestamp", "2019-01-02 00:00:00", 0}, - //{"date", `20190102`, "timestamp", "2019-01-02 00:00:00", 0}, - //{"date", `190102`, "timestamp", "2019-01-02 00:00:00", 0}, + {"date", `"2019-01-02"`, "timestamp", "2019-01-02 00:00:00", 0}, + {"date", `"19-01-02"`, "timestamp", "2019-01-02 00:00:00", 0}, + {"date", `"20190102"`, "timestamp", "2019-01-02 00:00:00", 0}, + {"date", `"190102"`, "timestamp", "2019-01-02 00:00:00", 0}, + {"date", `20190102`, "timestamp", "2019-01-02 00:00:00", 0}, + {"date", `190102`, "timestamp", "2019-01-02 00:00:00", 0}, // timestamp to year {"timestamp", `"2006-01-02 15:04:05"`, "year", "2006", 0}, @@ -4882,14 +4878,13 @@ func (s *testDBSuite1) TestModifyColumnTime(c *C) { {"timestamp", `"2006-01-02 23:59:59.506"`, "year", "2006", 0}, // timestamp to time - // TODO: looks like 8hrs earlier than expected - //{"timestamp", `"2006-01-02 15:04:05"`, "time", "15:04:05", 0}, - //{"timestamp", `"06-01-02 15:04:05"`, "time", "15:04:05", 0}, - //{"timestamp", `"20060102150405"`, "time", "15:04:05", 0}, - //{"timestamp", `"060102150405"`, "time", "15:04:05", 0}, - //{"timestamp", `20060102150405`, "time", "15:04:05", 0}, - //{"timestamp", `060102150405`, "time", "15:04:05", 0}, - //{"timestamp", `"2006-01-02 23:59:59.506"`, "time", "00:00:00", 0}, + {"timestamp", `"2006-01-02 15:04:05"`, "time", "15:04:05", 0}, + {"timestamp", `"06-01-02 15:04:05"`, "time", "15:04:05", 0}, + {"timestamp", `"20060102150405"`, "time", "15:04:05", 0}, + {"timestamp", `"060102150405"`, "time", "15:04:05", 0}, + {"timestamp", `20060102150405`, "time", "15:04:05", 0}, + {"timestamp", `060102150405`, "time", "15:04:05", 0}, + {"timestamp", `"2006-01-02 23:59:59.506"`, "time", "00:00:00", 0}, // timestamp to date {"timestamp", `"2006-01-02 15:04:05"`, "date", "2006-01-02", 0}, @@ -4898,24 +4893,16 @@ func (s *testDBSuite1) TestModifyColumnTime(c *C) { {"timestamp", `"060102150405"`, "date", "2006-01-02", 0}, {"timestamp", `20060102150405`, "date", "2006-01-02", 0}, {"timestamp", `060102150405`, "date", "2006-01-02", 0}, - // TODO: check the following case - // set @@timezone="+8:00" - // create table t (a timestamp) - // insert into t (a) values('2006-01-02 23:59:59.506') - // select cast(a as date) from t == 2006-01-03 - // set @@timezone="+0:00" - // select cast(a as date) from t == 2006-01-02 - //{"timestamp", `"2006-01-02 23:59:59.506"`, "date", "2006-01-03", 0}, + {"timestamp", `"2006-01-02 23:59:59.506"`, "date", "2006-01-03", 0}, // timestamp to datetime - // TODO: looks like 8hrs earlier than expected - //{"timestamp", `"2006-01-02 15:04:05"`, "datetime", "2006-01-02 15:04:05", 0}, - //{"timestamp", `"06-01-02 15:04:05"`, "datetime", "2006-01-02 15:04:05", 0}, - //{"timestamp", `"20060102150405"`, "datetime", "2006-01-02 15:04:05", 0}, - //{"timestamp", `"060102150405"`, "datetime", "2006-01-02 15:04:05", 0}, - //{"timestamp", `20060102150405`, "datetime", "2006-01-02 15:04:05", 0}, - //{"timestamp", `060102150405`, "datetime", "2006-01-02 15:04:05", 0}, - //{"timestamp", `"2006-01-02 23:59:59.506"`, "datetime", "2006-01-03 00:00:00", 0}, + {"timestamp", `"2006-01-02 15:04:05"`, "datetime", "2006-01-02 15:04:05", 0}, + {"timestamp", `"06-01-02 15:04:05"`, "datetime", "2006-01-02 15:04:05", 0}, + {"timestamp", `"20060102150405"`, "datetime", "2006-01-02 15:04:05", 0}, + {"timestamp", `"060102150405"`, "datetime", "2006-01-02 15:04:05", 0}, + {"timestamp", `20060102150405`, "datetime", "2006-01-02 15:04:05", 0}, + {"timestamp", `060102150405`, "datetime", "2006-01-02 15:04:05", 0}, + {"timestamp", `"2006-01-02 23:59:59.506"`, "datetime", "2006-01-03 00:00:00", 0}, // datetime to year {"datetime", `"2006-01-02 15:04:05"`, "year", "2006", 0}, @@ -4952,30 +4939,28 @@ func (s *testDBSuite1) TestModifyColumnTime(c *C) { {"datetime", `"9999-01-02 23:59:59"`, "date", "9999-01-02", 0}, // datetime to timestamp - // TODO: looks like 8hrs later than expected - //{"datetime", `"2006-01-02 15:04:05"`, "timestamp", "2006-01-02 15:04:05", 0}, - //{"datetime", `"06-01-02 15:04:05"`, "timestamp", "2006-01-02 15:04:05", 0}, - //{"datetime", `"20060102150405"`, "timestamp", "2006-01-02 15:04:05", 0}, - //{"datetime", `"060102150405"`, "timestamp", "2006-01-02 15:04:05", 0}, - //{"datetime", `20060102150405`, "timestamp", "2006-01-02 15:04:05", 0}, - //{"datetime", `060102150405`, "timestamp", "2006-01-02 15:04:05", 0}, - //{"datetime", `"2006-01-02 23:59:59.506"`, "timestamp", "2006-01-02 23:59:59", 0}, - //{"datetime", `"1000-01-02 23:59:59"`, "timestamp", "", errno.ErrTruncatedWrongValue}, - //{"datetime", `"9999-01-02 23:59:59"`, "timestamp", "", errno.ErrTruncatedWrongValue}, + {"datetime", `"2006-01-02 15:04:05"`, "timestamp", "2006-01-02 15:04:05", 0}, + {"datetime", `"06-01-02 15:04:05"`, "timestamp", "2006-01-02 15:04:05", 0}, + {"datetime", `"20060102150405"`, "timestamp", "2006-01-02 15:04:05", 0}, + {"datetime", `"060102150405"`, "timestamp", "2006-01-02 15:04:05", 0}, + {"datetime", `20060102150405`, "timestamp", "2006-01-02 15:04:05", 0}, + {"datetime", `060102150405`, "timestamp", "2006-01-02 15:04:05", 0}, + {"datetime", `"2006-01-02 23:59:59.506"`, "timestamp", "2006-01-03 00:00:00", 0}, + {"datetime", `"1000-01-02 23:59:59"`, "timestamp", "1000-01-02 23:59:59", 0}, + {"datetime", `"9999-01-02 23:59:59"`, "timestamp", "9999-01-02 23:59:59", 0}, // year to time - // TODO: ban conversion that maybe fail // failed cases are not handled by TiDB - //{"year", `"2019"`, "time", "00:20:19", 0}, - //{"year", `2019`, "time", "00:20:19", 0}, - //{"year", `"00"`, "time", "00:20:00", 0}, - //{"year", `"69"`, "time", "", errno.ErrTruncatedWrongValue}, - //{"year", `"70"`, "time", "", errno.ErrTruncatedWrongValue}, - //{"year", `"99"`, "time", "", errno.ErrTruncatedWrongValue}, - //{"year", `00`, "time", "00:00:00", 0}, - //{"year", `69`, "time", "", errno.ErrTruncatedWrongValue}, - //{"year", `70`, "time", "", errno.ErrTruncatedWrongValue}, - //{"year", `99`, "time", "", errno.ErrTruncatedWrongValue}, + {"year", `"2019"`, "time", "00:20:19", 0}, + {"year", `2019`, "time", "00:20:19", 0}, + {"year", `"00"`, "time", "00:20:00", 0}, + {"year", `"69"`, "time", "", errno.ErrTruncatedWrongValue}, + {"year", `"70"`, "time", "", errno.ErrTruncatedWrongValue}, + {"year", `"99"`, "time", "", errno.ErrTruncatedWrongValue}, + {"year", `00`, "time", "00:00:00", 0}, + {"year", `69`, "time", "", errno.ErrTruncatedWrongValue}, + {"year", `70`, "time", "", errno.ErrTruncatedWrongValue}, + {"year", `99`, "time", "", errno.ErrTruncatedWrongValue}, // year to date {"year", `"2019"`, "date", "", errno.ErrTruncatedWrongValue}, diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 2cdfd025df00a..33c26bf4ffcc9 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -3497,6 +3497,11 @@ func checkTypeChangeSupported(origin *types.FieldType, to *types.FieldType) bool return false } + if origin.Tp == mysql.TypeJSON && (to.Tp == mysql.TypeEnum || to.Tp == mysql.TypeSet || to.Tp == mysql.TypeBit) { + // TODO: Currently json cast to enum/set/bit are not support yet, should fix here after supported. + return false + } + return true } diff --git a/expression/builtin_cast.go b/expression/builtin_cast.go index 5782e22a432d8..63379b7dc2822 100644 --- a/expression/builtin_cast.go +++ b/expression/builtin_cast.go @@ -1608,7 +1608,7 @@ func (b *builtinCastJSONAsIntSig) evalInt(row chunk.Row) (res int64, isNull bool return res, isNull, err } sc := b.ctx.GetSessionVars().StmtCtx - res, err = types.ConvertJSONToInt(sc, val, mysql.HasUnsignedFlag(b.tp.Flag)) + res, err = types.ConvertJSONToInt64(sc, val, mysql.HasUnsignedFlag(b.tp.Flag)) return } diff --git a/expression/builtin_cast_vec.go b/expression/builtin_cast_vec.go index 40bab4d432af4..47214e5a0f5af 100644 --- a/expression/builtin_cast_vec.go +++ b/expression/builtin_cast_vec.go @@ -1160,7 +1160,7 @@ func (b *builtinCastJSONAsIntSig) vecEvalInt(input *chunk.Chunk, result *chunk.C if result.IsNull(i) { continue } - i64s[i], err = types.ConvertJSONToInt(sc, buf.GetJSON(i), mysql.HasUnsignedFlag(b.tp.Flag)) + i64s[i], err = types.ConvertJSONToInt64(sc, buf.GetJSON(i), mysql.HasUnsignedFlag(b.tp.Flag)) if err != nil { return err } diff --git a/sessionctx/stmtctx/stmtctx.go b/sessionctx/stmtctx/stmtctx.go index d0c5ae169e35b..d6c2b962e7400 100644 --- a/sessionctx/stmtctx/stmtctx.go +++ b/sessionctx/stmtctx/stmtctx.go @@ -561,9 +561,7 @@ func (sc *StatementContext) GetExecDetails() execdetails.ExecDetails { // This is the case for `insert`, `update`, `alter table`, `create table` and `load data infile` statements, when not in strict SQL mode. // see https://dev.mysql.com/doc/refman/5.7/en/out-of-range-and-overflow.html func (sc *StatementContext) ShouldClipToZero() bool { - // TODO: Currently altering column of integer to unsigned integer is not supported. - // If it is supported one day, that case should be added here. - return sc.InInsertStmt || sc.InLoadDataStmt || sc.InUpdateStmt || sc.InCreateOrAlterStmt + return sc.InInsertStmt || sc.InLoadDataStmt || sc.InUpdateStmt || sc.InCreateOrAlterStmt || sc.IsDDLJobInQueue } // ShouldIgnoreOverflowError indicates whether we should ignore the error when type conversion overflows, diff --git a/types/convert.go b/types/convert.go index c5c3982ee4cec..ae8cab0e4c0b5 100644 --- a/types/convert.go +++ b/types/convert.go @@ -543,8 +543,13 @@ func StrToFloat(sc *stmtctx.StatementContext, str string, isFuncCast bool) (floa return f, errors.Trace(err) } -// ConvertJSONToInt casts JSON into int64. -func ConvertJSONToInt(sc *stmtctx.StatementContext, j json.BinaryJSON, unsigned bool) (int64, error) { +// ConvertJSONToInt64 casts JSON into int64. +func ConvertJSONToInt64(sc *stmtctx.StatementContext, j json.BinaryJSON, unsigned bool) (int64, error) { + return ConvertJSONToInt(sc, j, unsigned, mysql.TypeLonglong) +} + +// ConvertJSONToInt casts JSON into int by type. +func ConvertJSONToInt(sc *stmtctx.StatementContext, j json.BinaryJSON, unsigned bool, tp byte) (int64, error) { switch j.TypeCode { case json.TypeCodeObject, json.TypeCodeArray: return 0, nil @@ -555,18 +560,39 @@ func ConvertJSONToInt(sc *stmtctx.StatementContext, j json.BinaryJSON, unsigned default: return 1, nil } - case json.TypeCodeInt64, json.TypeCodeUint64: - return j.GetInt64(), nil + case json.TypeCodeInt64: + i := j.GetInt64() + if unsigned { + uBound := IntergerUnsignedUpperBound(tp) + u, err := ConvertIntToUint(sc, i, uBound, tp) + return int64(u), sc.HandleOverflow(err, err) + } + + lBound := IntergerSignedLowerBound(tp) + uBound := IntergerSignedUpperBound(tp) + i, err := ConvertIntToInt(i, lBound, uBound, tp) + return i, sc.HandleOverflow(err, err) + case json.TypeCodeUint64: + u := j.GetUint64() + if unsigned { + uBound := IntergerUnsignedUpperBound(tp) + u, err := ConvertUintToUint(u, uBound, tp) + return int64(u), sc.HandleOverflow(err, err) + } + + uBound := IntergerSignedUpperBound(tp) + i, err := ConvertUintToInt(u, uBound, tp) + return i, sc.HandleOverflow(err, err) case json.TypeCodeFloat64: f := j.GetFloat64() if !unsigned { - lBound := IntergerSignedLowerBound(mysql.TypeLonglong) - uBound := IntergerSignedUpperBound(mysql.TypeLonglong) - u, e := ConvertFloatToInt(f, lBound, uBound, mysql.TypeLonglong) + lBound := IntergerSignedLowerBound(tp) + uBound := IntergerSignedUpperBound(tp) + u, e := ConvertFloatToInt(f, lBound, uBound, tp) return u, sc.HandleOverflow(e, e) } - bound := IntergerUnsignedUpperBound(mysql.TypeLonglong) - u, err := ConvertFloatToUint(sc, f, bound, mysql.TypeLonglong) + bound := IntergerUnsignedUpperBound(tp) + u, err := ConvertFloatToUint(sc, f, bound, tp) return int64(u), sc.HandleOverflow(err, err) case json.TypeCodeString: str := string(hack.String(j.GetString())) diff --git a/types/convert_test.go b/types/convert_test.go index 4a0d18a8e22ff..4ffd57cd8fef7 100644 --- a/types/convert_test.go +++ b/types/convert_test.go @@ -272,6 +272,15 @@ func (s *testTypeConvertSuite) TestConvertType(c *C) { v, err = Convert(ZeroDuration, ft) c.Assert(err, IsNil) c.Assert(v, Equals, int64(time.Now().Year())) + bj1, err := json.ParseBinaryFromString("99") + c.Assert(err, IsNil) + v, err = Convert(bj1, ft) + c.Assert(err, IsNil) + c.Assert(v, Equals, int64(1999)) + bj2, err := json.ParseBinaryFromString("-1") + c.Assert(err, IsNil) + _, err = Convert(bj2, ft) + c.Assert(err, NotNil) // For enum ft = NewFieldType(mysql.TypeEnum) @@ -982,7 +991,7 @@ func (s *testTypeConvertSuite) TestConvertJSONToInt(c *C) { j, err := json.ParseBinaryFromString(tt.In) c.Assert(err, IsNil) - casted, _ := ConvertJSONToInt(new(stmtctx.StatementContext), j, false) + casted, _ := ConvertJSONToInt64(new(stmtctx.StatementContext), j, false) c.Assert(casted, Equals, tt.Out) } } diff --git a/types/datum.go b/types/datum.go index 50db148da5aec..0f38e62681724 100644 --- a/types/datum.go +++ b/types/datum.go @@ -1065,7 +1065,7 @@ func (d *Datum) convertToUint(sc *stmtctx.StatementContext, target *FieldType) ( } case KindMysqlJSON: var i64 int64 - i64, err = ConvertJSONToInt(sc, d.GetMysqlJSON(), true) + i64, err = ConvertJSONToInt(sc, d.GetMysqlJSON(), true, tp) val = uint64(i64) default: return invalidConv(d, target.Tp) @@ -1365,6 +1365,12 @@ func (d *Datum) convertToMysqlYear(sc *stmtctx.StatementContext, target *FieldTy y = int64(d.GetMysqlTime().Year()) case KindMysqlDuration: y = int64(time.Now().Year()) + case KindMysqlJSON: + y, err = ConvertJSONToInt64(sc, d.GetMysqlJSON(), false) + if err != nil { + ret.SetInt64(0) + return ret, errors.Trace(err) + } default: ret, err = d.convertToInt(sc, NewFieldType(mysql.TypeLonglong)) if err != nil { @@ -1712,7 +1718,7 @@ func (d *Datum) toSignedInteger(sc *stmtctx.StatementContext, tp byte) (int64, e fval := d.GetMysqlSet().ToNumber() return ConvertFloatToInt(fval, lowerBound, upperBound, tp) case KindMysqlJSON: - return ConvertJSONToInt(sc, d.GetMysqlJSON(), false) + return ConvertJSONToInt(sc, d.GetMysqlJSON(), false, tp) case KindBinaryLiteral, KindMysqlBit: val, err := d.GetBinaryLiteral().ToInt(sc) if err != nil { From 43cccbb72fff3bbc4e086811cb7e2fc04786b444 Mon Sep 17 00:00:00 2001 From: JmPotato Date: Fri, 4 Dec 2020 10:34:48 +0800 Subject: [PATCH 0378/1021] *: dispatch the local and global transactions (#21353) Signed-off-by: JmPotato --- kv/fault_injection.go | 4 +- kv/fault_injection_test.go | 3 +- kv/interface_mock_test.go | 8 +- kv/kv.go | 10 ++- kv/txn.go | 1 + session/session.go | 14 ++-- session/session_test.go | 133 ++++++++++++++++++++++++++++++++ session/txn.go | 15 ++-- sessionctx/variable/session.go | 11 ++- store/tikv/2pc.go | 4 +- store/tikv/2pc_test.go | 4 +- store/tikv/async_commit_test.go | 2 +- store/tikv/commit.go | 3 +- store/tikv/kv.go | 16 ++-- store/tikv/lock_test.go | 2 +- store/tikv/store_test.go | 10 +-- store/tikv/txn.go | 18 +++-- util/mock/context.go | 3 +- util/mock/store.go | 7 +- 19 files changed, 216 insertions(+), 52 deletions(-) diff --git a/kv/fault_injection.go b/kv/fault_injection.go index e5c3d0aebe639..95a4d3dfb781c 100644 --- a/kv/fault_injection.go +++ b/kv/fault_injection.go @@ -64,8 +64,8 @@ func (s *InjectedStore) Begin() (Transaction, error) { } // BeginWithStartTS creates an injected Transaction with startTS. -func (s *InjectedStore) BeginWithStartTS(startTS uint64) (Transaction, error) { - txn, err := s.Storage.BeginWithStartTS(startTS) +func (s *InjectedStore) BeginWithStartTS(txnScope string, startTS uint64) (Transaction, error) { + txn, err := s.Storage.BeginWithStartTS(txnScope, startTS) return &InjectedTransaction{ Transaction: txn, cfg: s.cfg, diff --git a/kv/fault_injection_test.go b/kv/fault_injection_test.go index 500dd3a536910..b137481c05f1a 100644 --- a/kv/fault_injection_test.go +++ b/kv/fault_injection_test.go @@ -19,6 +19,7 @@ import ( . "github.com/pingcap/check" "github.com/pingcap/errors" "github.com/pingcap/parser/terror" + "github.com/pingcap/tidb/store/tikv/oracle" ) type testFaultInjectionSuite struct{} @@ -34,7 +35,7 @@ func (s testFaultInjectionSuite) TestFaultInjectionBasic(c *C) { storage := NewInjectedStore(newMockStorage(), &cfg) txn, err := storage.Begin() c.Assert(err, IsNil) - _, err = storage.BeginWithStartTS(0) + _, err = storage.BeginWithStartTS(oracle.GlobalTxnScope, 0) c.Assert(err, IsNil) ver := Version{Ver: 1} snap := storage.GetSnapshot(ver) diff --git a/kv/interface_mock_test.go b/kv/interface_mock_test.go index 79a2df1cf6adf..1fc3f0fd60fe3 100644 --- a/kv/interface_mock_test.go +++ b/kv/interface_mock_test.go @@ -149,12 +149,16 @@ func (s *mockStorage) Begin() (Transaction, error) { return newMockTxn(), nil } +func (s *mockStorage) BeginWithTxnScope(txnScope string) (Transaction, error) { + return newMockTxn(), nil +} + func (*mockTxn) IsPessimistic() bool { return false } -// BeginWithStartTS begins a transaction with startTS. -func (s *mockStorage) BeginWithStartTS(startTS uint64) (Transaction, error) { +// BeginWithStartTS begins transaction with given txnScope and startTS. +func (s *mockStorage) BeginWithStartTS(txnScope string, startTS uint64) (Transaction, error) { return s.Begin() } diff --git a/kv/kv.go b/kv/kv.go index 7545370195feb..64056a8c04195 100644 --- a/kv/kv.go +++ b/kv/kv.go @@ -64,6 +64,8 @@ const ( Enable1PC // GuaranteeExternalConsistency indicates whether to guarantee external consistency at the cost of an extra tso request before prewrite GuaranteeExternalConsistency + // TxnScope indicates which @@txn_scope this transaction will work with. + TxnScope ) // Priority value for transaction priority. @@ -456,10 +458,12 @@ type Driver interface { // Storage defines the interface for storage. // Isolation should be at least SI(SNAPSHOT ISOLATION) type Storage interface { - // Begin transaction + // Begin a global transaction Begin() (Transaction, error) - // BeginWithStartTS begins transaction with startTS. - BeginWithStartTS(startTS uint64) (Transaction, error) + // Begin a transaction with the given txnScope (local or global) + BeginWithTxnScope(txnScope string) (Transaction, error) + // BeginWithStartTS begins transaction with given txnScope and startTS. + BeginWithStartTS(txnScope string, startTS uint64) (Transaction, error) // GetSnapshot gets a snapshot that is able to read any data which data is <= ver. // if ver is MaxVersion or > current max committed version, we will use current version for this snapshot. GetSnapshot(ver Version) Snapshot diff --git a/kv/txn.go b/kv/txn.go index 4592282f96f90..9bc693232b202 100644 --- a/kv/txn.go +++ b/kv/txn.go @@ -114,6 +114,7 @@ func IsMockCommitErrorEnable() bool { // TxnInfo is used to keep track the info of a committed transaction (mainly for diagnosis and testing) type TxnInfo struct { + TxnScope string `json:"txn_scope"` StartTS uint64 `json:"start_ts"` CommitTS uint64 `json:"commit_ts"` ErrMsg string `json:"error,omitempty"` diff --git a/session/session.go b/session/session.go index c6db2a4b4ad9f..b2750946d7ac0 100644 --- a/session/session.go +++ b/session/session.go @@ -64,6 +64,7 @@ import ( "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/statistics/handle" "github.com/pingcap/tidb/store/tikv" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/chunk" @@ -1634,6 +1635,7 @@ func (s *session) isTxnRetryable() bool { func (s *session) NewTxn(ctx context.Context) error { if s.txn.Valid() { txnID := s.txn.StartTS() + txnScope := s.txn.GetUnionStore().GetOption(kv.TxnScope).(string) err := s.CommitTxn(ctx) if err != nil { return err @@ -1641,10 +1643,11 @@ func (s *session) NewTxn(ctx context.Context) error { vars := s.GetSessionVars() logutil.Logger(ctx).Info("NewTxn() inside a transaction auto commit", zap.Int64("schemaVersion", vars.TxnCtx.SchemaVersion), - zap.Uint64("txnStartTS", txnID)) + zap.Uint64("txnStartTS", txnID), + zap.String("txnScope", txnScope)) } - txn, err := s.store.Begin() + txn, err := s.store.BeginWithTxnScope(s.sessionVars.CheckAndGetTxnScope()) if err != nil { return err } @@ -1660,7 +1663,6 @@ func (s *session) NewTxn(ctx context.Context) error { CreateTime: time.Now(), StartTS: txn.StartTS(), ShardStep: int(s.sessionVars.ShardAllocateStep), - TxnScope: s.GetSessionVars().TxnScope, } return nil } @@ -2380,7 +2382,6 @@ func (s *session) PrepareTxnCtx(ctx context.Context) { SchemaVersion: is.SchemaMetaVersion(), CreateTime: time.Now(), ShardStep: int(s.sessionVars.ShardAllocateStep), - TxnScope: s.GetSessionVars().TxnScope, } if !s.sessionVars.IsAutocommit() || s.sessionVars.RetryInfo.Retrying { if s.sessionVars.TxnMode == ast.Pessimistic { @@ -2423,7 +2424,7 @@ func (s *session) InitTxnWithStartTS(startTS uint64) error { } // no need to get txn from txnFutureCh since txn should init with startTs - txn, err := s.store.BeginWithStartTS(startTS) + txn, err := s.store.BeginWithStartTS(oracle.GlobalTxnScope, startTS) if err != nil { return err } @@ -2519,7 +2520,8 @@ func (s *session) recordOnTransactionExecution(err error, counter int, duration func (s *session) checkPlacementPolicyBeforeCommit() error { var err error - txnScope := s.GetSessionVars().TxnCtx.TxnScope + // Get the txnScope of the transaction we're going to commit. + txnScope := s.txn.GetUnionStore().GetOption(kv.TxnScope) if txnScope == "" { txnScope = config.DefTxnScope } diff --git a/session/session_test.go b/session/session_test.go index 4b5e227c180a5..bb8e4a9bba9f4 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -33,6 +33,7 @@ import ( "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/config" + "github.com/pingcap/tidb/ddl/placement" "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/executor" "github.com/pingcap/tidb/kv" @@ -3259,6 +3260,138 @@ func (s *testSessionSuite2) TestSetTxnScope(c *C) { result.Check(testkit.Rows(oracle.GlobalTxnScope)) } +func (s *testSessionSuite2) TestGlobalAndLocalTxn(c *C) { + // Because the PD config of check_dev_2 test is not compatible with local/global txn yet, + // so we will skip this test for now. + if *withTiKV { + return + } + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t1;") + defer tk.MustExec("drop table if exists t1") + tk.MustExec(`create table t1 (c int) +PARTITION BY RANGE (c) ( + PARTITION p0 VALUES LESS THAN (100), + PARTITION p1 VALUES LESS THAN (200) +);`) + // Config the Placement Rules + bundles := make(map[string]*placement.Bundle) + is := s.dom.InfoSchema() + is.MockBundles(bundles) + tb, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t1")) + c.Assert(err, IsNil) + partDefs := tb.Meta().GetPartitionInfo().Definitions + for _, def := range partDefs { + if def.Name.String() == "p0" { + groupID := placement.GroupID(def.ID) + bundles[groupID] = &placement.Bundle{ + ID: groupID, + Rules: []*placement.Rule{ + { + GroupID: groupID, + Role: placement.Leader, + Count: 1, + LabelConstraints: []placement.LabelConstraint{ + { + Key: placement.DCLabelKey, + Op: placement.In, + Values: []string{"dc-1"}, + }, + }, + }, + }, + } + } else if def.Name.String() == "p1" { + groupID := placement.GroupID(def.ID) + bundles[groupID] = &placement.Bundle{ + ID: groupID, + Rules: []*placement.Rule{ + { + GroupID: groupID, + Role: placement.Leader, + Count: 1, + LabelConstraints: []placement.LabelConstraint{ + { + Key: placement.DCLabelKey, + Op: placement.In, + Values: []string{"dc-2"}, + }, + }, + }, + }, + } + + } + } + + // set txn_scope to global + tk.MustExec(fmt.Sprintf("set @@session.txn_scope = '%s';", oracle.GlobalTxnScope)) + result := tk.MustQuery("select @@txn_scope;") + result.Check(testkit.Rows(oracle.GlobalTxnScope)) + // test global txn + tk.MustExec("insert into t1 (c) values (1)") // in dc-1 with global scope + result = tk.MustQuery("select * from t1") + c.Assert(len(result.Rows()), Equals, 1) + tk.MustExec("begin") + txn, err := tk.Se.Txn(true) + c.Assert(err, IsNil) + c.Assert(txn.GetUnionStore().GetOption(kv.TxnScope), Equals, oracle.GlobalTxnScope) + c.Assert(txn.Valid(), IsTrue) + tk.MustExec("insert into t1 (c) values (1)") // in dc-1 with global scope + result = tk.MustQuery("select * from t1") + c.Assert(len(result.Rows()), Equals, 2) + c.Assert(txn.Valid(), IsTrue) + tk.MustExec("commit") + result = tk.MustQuery("select * from t1") + c.Assert(len(result.Rows()), Equals, 2) + tk.MustExec("insert into t1 (c) values (101)") // in dc-2 with global scope + result = tk.MustQuery("select * from t1") + c.Assert(len(result.Rows()), Equals, 3) + + // set txn_scope to local + tk.MustExec("set @@session.txn_scope = 'dc-1';") + result = tk.MustQuery("select @@txn_scope;") + result.Check(testkit.Rows("dc-1")) + // test local txn + tk.MustExec("insert into t1 (c) values (1)") // in dc-1 with dc-1 scope + result = tk.MustQuery("select * from t1") + c.Assert(len(result.Rows()), Equals, 4) + tk.MustExec("begin") + txn, err = tk.Se.Txn(true) + c.Assert(err, IsNil) + c.Assert(txn.GetUnionStore().GetOption(kv.TxnScope), Equals, "dc-1") + c.Assert(txn.Valid(), IsTrue) + tk.MustExec("insert into t1 (c) values (1)") // in dc-1 with dc-1 scope + result = tk.MustQuery("select * from t1") + c.Assert(len(result.Rows()), Equals, 5) + c.Assert(txn.Valid(), IsTrue) + tk.MustExec("commit") + result = tk.MustQuery("select * from t1") + c.Assert(len(result.Rows()), Equals, 5) + + // test wrong scope local txn + _, err = tk.Exec("insert into t1 (c) values (101)") // in dc-2 with dc-1 scope + c.Assert(err.Error(), Matches, ".*out of txn_scope.*") + result = tk.MustQuery("select * from t1") + c.Assert(len(result.Rows()), Equals, 5) + tk.MustExec("begin") + txn, err = tk.Se.Txn(true) + c.Assert(err, IsNil) + c.Assert(txn.GetUnionStore().GetOption(kv.TxnScope), Equals, "dc-1") + c.Assert(txn.Valid(), IsTrue) + tk.MustExec("insert into t1 (c) values (101)") // in dc-2 with dc-1 scope + result = tk.MustQuery("select * from t1") + c.Assert(len(result.Rows()), Equals, 6) + c.Assert(txn.Valid(), IsTrue) + _, err = tk.Exec("commit") + result = tk.MustQuery("select * from t1") + c.Assert(len(result.Rows()), Equals, 5) + c.Assert(err.Error(), Matches, ".*out of txn_scope.*") + result = tk.MustQuery("select * from t1") + c.Assert(len(result.Rows()), Equals, 5) +} + func (s *testSessionSuite2) TestSetEnableRateLimitAction(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) // assert default value diff --git a/session/txn.go b/session/txn.go index ff9c41df9d1b9..7c32829bc30fc 100644 --- a/session/txn.go +++ b/session/txn.go @@ -331,21 +331,22 @@ func (txnFailFuture) Wait() (uint64, error) { // txnFuture is a promise, which promises to return a txn in future. type txnFuture struct { - future oracle.Future - store kv.Storage + future oracle.Future + store kv.Storage + txnScope string } func (tf *txnFuture) wait() (kv.Transaction, error) { startTS, err := tf.future.Wait() if err == nil { - return tf.store.BeginWithStartTS(startTS) + return tf.store.BeginWithStartTS(tf.txnScope, startTS) } else if config.GetGlobalConfig().Store == "unistore" { return nil, err } logutil.BgLogger().Warn("wait tso failed", zap.Error(err)) // It would retry get timestamp. - return tf.store.Begin() + return tf.store.BeginWithTxnScope(tf.txnScope) } func (s *session) getTxnFuture(ctx context.Context) *txnFuture { @@ -358,11 +359,11 @@ func (s *session) getTxnFuture(ctx context.Context) *txnFuture { oracleStore := s.store.GetOracle() var tsFuture oracle.Future if s.sessionVars.LowResolutionTSO { - tsFuture = oracleStore.GetLowResolutionTimestampAsync(ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) + tsFuture = oracleStore.GetLowResolutionTimestampAsync(ctx, &oracle.Option{TxnScope: s.sessionVars.CheckAndGetTxnScope()}) } else { - tsFuture = oracleStore.GetTimestampAsync(ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) + tsFuture = oracleStore.GetTimestampAsync(ctx, &oracle.Option{TxnScope: s.sessionVars.CheckAndGetTxnScope()}) } - ret := &txnFuture{future: tsFuture, store: s.store} + ret := &txnFuture{future: tsFuture, store: s.store, txnScope: s.sessionVars.CheckAndGetTxnScope()} failpoint.InjectContext(ctx, "mockGetTSFail", func() { ret.future = txnFailFuture{} }) diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index e7222477def34..1fa3b5758a3af 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -168,9 +168,6 @@ type TransactionContext struct { // TableDeltaMap lock to prevent potential data race tdmLock sync.Mutex - - // TxnScope stores the value of 'txn_scope'. - TxnScope string } // GetShard returns the shard prefix for the next `count` rowids. @@ -766,6 +763,14 @@ type SessionVars struct { GuaranteeExternalConsistency bool } +// CheckAndGetTxnScope will return the transaction scope we should use in the current session. +func (s *SessionVars) CheckAndGetTxnScope() string { + if s.InRestrictedSQL { + return oracle.GlobalTxnScope + } + return s.TxnScope +} + // UseDynamicPartitionPrune indicates whether use new dynamic partition prune. func (s *SessionVars) UseDynamicPartitionPrune() bool { return PartitionPruneMode(s.PartitionPruneMode.Load()) == DynamicOnly diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index 3b305bd2aa7db..9180ca86700f7 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -1167,7 +1167,7 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { } else { start = time.Now() logutil.Event(ctx, "start get commit ts") - commitTS, err = c.store.getTimestampWithRetry(NewBackofferWithVars(ctx, tsoMaxBackoff, c.txn.vars)) + commitTS, err = c.store.getTimestampWithRetry(NewBackofferWithVars(ctx, tsoMaxBackoff, c.txn.vars), c.txn.GetUnionStore().GetOption(kv.TxnScope).(string)) if err != nil { logutil.Logger(ctx).Warn("2PC get commitTS failed", zap.Error(err), @@ -1401,7 +1401,7 @@ func (c *twoPhaseCommitter) tryAmendTxn(ctx context.Context, startInfoSchema Sch func (c *twoPhaseCommitter) getCommitTS(ctx context.Context, commitDetail *execdetails.CommitDetails) (uint64, error) { start := time.Now() logutil.Event(ctx, "start get commit ts") - commitTS, err := c.store.getTimestampWithRetry(NewBackofferWithVars(ctx, tsoMaxBackoff, c.txn.vars)) + commitTS, err := c.store.getTimestampWithRetry(NewBackofferWithVars(ctx, tsoMaxBackoff, c.txn.vars), c.txn.GetUnionStore().GetOption(kv.TxnScope).(string)) if err != nil { logutil.Logger(ctx).Warn("2PC get commitTS failed", zap.Error(err), diff --git a/store/tikv/2pc_test.go b/store/tikv/2pc_test.go index c11fe894c1946..44b5f81701887 100644 --- a/store/tikv/2pc_test.go +++ b/store/tikv/2pc_test.go @@ -610,12 +610,12 @@ func (s *testCommitterSuite) TestRejectCommitTS(c *C) { // Use max.Uint64 to read the data and success. // That means the final commitTS > startTS+2, it's not the one we provide. // So we cover the rety commitTS logic. - txn1, err := s.store.BeginWithStartTS(committer.startTS + 2) + txn1, err := s.store.BeginWithStartTS(oracle.GlobalTxnScope, committer.startTS+2) c.Assert(err, IsNil) _, err = txn1.Get(bo.ctx, []byte("x")) c.Assert(kv.IsErrNotFound(err), IsTrue) - txn2, err := s.store.BeginWithStartTS(math.MaxUint64) + txn2, err := s.store.BeginWithStartTS(oracle.GlobalTxnScope, math.MaxUint64) c.Assert(err, IsNil) val, err := txn2.Get(bo.ctx, []byte("x")) c.Assert(err, IsNil) diff --git a/store/tikv/async_commit_test.go b/store/tikv/async_commit_test.go index 987b224a34792..490a0beacf634 100644 --- a/store/tikv/async_commit_test.go +++ b/store/tikv/async_commit_test.go @@ -148,7 +148,7 @@ func (s *testAsyncCommitSuite) SetUpTest(c *C) { } func (s *testAsyncCommitSuite) lockKeysWithAsyncCommit(c *C, keys, values [][]byte, primaryKey, primaryValue []byte, commitPrimary bool) (uint64, uint64) { - txn, err := newTiKVTxn(s.store) + txn, err := newTiKVTxn(s.store, oracle.GlobalTxnScope) c.Assert(err, IsNil) txn.SetOption(kv.EnableAsyncCommit, true) for i, k := range keys { diff --git a/store/tikv/commit.go b/store/tikv/commit.go index 5b157bb74afef..7680230e76910 100644 --- a/store/tikv/commit.go +++ b/store/tikv/commit.go @@ -19,6 +19,7 @@ import ( "github.com/opentracing/opentracing-go" "github.com/pingcap/errors" pb "github.com/pingcap/kvproto/pkg/kvrpcpb" + "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/metrics" "github.com/pingcap/tidb/store/tikv/tikvrpc" "github.com/pingcap/tidb/util/logutil" @@ -101,7 +102,7 @@ func (actionCommit) handleSingleBatch(c *twoPhaseCommitter, bo *Backoffer, batch } // Update commit ts and retry. - commitTS, err := c.store.getTimestampWithRetry(bo) + commitTS, err := c.store.getTimestampWithRetry(bo, c.txn.GetUnionStore().GetOption(kv.TxnScope).(string)) if err != nil { logutil.Logger(bo.ctx).Warn("2PC get commitTS failed", zap.Error(err), diff --git a/store/tikv/kv.go b/store/tikv/kv.go index dfe8159bb27e5..4d78a6d6a429a 100644 --- a/store/tikv/kv.go +++ b/store/tikv/kv.go @@ -325,7 +325,11 @@ func (s *tikvStore) runSafePointChecker() { } func (s *tikvStore) Begin() (kv.Transaction, error) { - txn, err := newTiKVTxn(s) + return s.BeginWithTxnScope(oracle.GlobalTxnScope) +} + +func (s *tikvStore) BeginWithTxnScope(txnScope string) (kv.Transaction, error) { + txn, err := newTiKVTxn(s, txnScope) if err != nil { return nil, errors.Trace(err) } @@ -333,8 +337,8 @@ func (s *tikvStore) Begin() (kv.Transaction, error) { } // BeginWithStartTS begins a transaction with startTS. -func (s *tikvStore) BeginWithStartTS(startTS uint64) (kv.Transaction, error) { - txn, err := newTikvTxnWithStartTS(s, startTS, s.nextReplicaReadSeed()) +func (s *tikvStore) BeginWithStartTS(txnScope string, startTS uint64) (kv.Transaction, error) { + txn, err := newTiKVTxnWithStartTS(s, txnScope, startTS, s.nextReplicaReadSeed()) if err != nil { return nil, errors.Trace(err) } @@ -382,14 +386,14 @@ func (s *tikvStore) UUID() string { func (s *tikvStore) CurrentVersion() (kv.Version, error) { bo := NewBackofferWithVars(context.Background(), tsoMaxBackoff, nil) - startTS, err := s.getTimestampWithRetry(bo) + startTS, err := s.getTimestampWithRetry(bo, oracle.GlobalTxnScope) if err != nil { return kv.NewVersion(0), errors.Trace(err) } return kv.NewVersion(startTS), nil } -func (s *tikvStore) getTimestampWithRetry(bo *Backoffer) (uint64, error) { +func (s *tikvStore) getTimestampWithRetry(bo *Backoffer, txnScope string) (uint64, error) { if span := opentracing.SpanFromContext(bo.ctx); span != nil && span.Tracer() != nil { span1 := span.Tracer().StartSpan("tikvStore.getTimestampWithRetry", opentracing.ChildOf(span.Context())) defer span1.Finish() @@ -397,7 +401,7 @@ func (s *tikvStore) getTimestampWithRetry(bo *Backoffer) (uint64, error) { } for { - startTS, err := s.oracle.GetTimestamp(bo.ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) + startTS, err := s.oracle.GetTimestamp(bo.ctx, &oracle.Option{TxnScope: txnScope}) // mockGetTSErrorInRetry should wait MockCommitErrorOnce first, then will run into retry() logic. // Then mockGetTSErrorInRetry will return retryable error when first retry. // Before PR #8743, we don't cleanup txn after meet error such as error like: PD server timeout diff --git a/store/tikv/lock_test.go b/store/tikv/lock_test.go index 11a29b3fc478f..e7a18b7f5d48b 100644 --- a/store/tikv/lock_test.go +++ b/store/tikv/lock_test.go @@ -49,7 +49,7 @@ func (s *testLockSuite) TearDownTest(c *C) { } func (s *testLockSuite) lockKey(c *C, key, value, primaryKey, primaryValue []byte, commitPrimary bool) (uint64, uint64) { - txn, err := newTiKVTxn(s.store) + txn, err := newTiKVTxn(s.store, oracle.GlobalTxnScope) c.Assert(err, IsNil) if len(value) > 0 { err = txn.Set(key, value) diff --git a/store/tikv/store_test.go b/store/tikv/store_test.go index 3dcdd7a9b1e6b..394c93782aa99 100644 --- a/store/tikv/store_test.go +++ b/store/tikv/store_test.go @@ -62,9 +62,9 @@ func (s *testStoreSuite) TestOracle(c *C) { s.store.oracle = o ctx := context.Background() - t1, err := s.store.getTimestampWithRetry(NewBackofferWithVars(ctx, 100, nil)) + t1, err := s.store.getTimestampWithRetry(NewBackofferWithVars(ctx, 100, nil), oracle.GlobalTxnScope) c.Assert(err, IsNil) - t2, err := s.store.getTimestampWithRetry(NewBackofferWithVars(ctx, 100, nil)) + t2, err := s.store.getTimestampWithRetry(NewBackofferWithVars(ctx, 100, nil), oracle.GlobalTxnScope) c.Assert(err, IsNil) c.Assert(t1, Less, t2) @@ -90,7 +90,7 @@ func (s *testStoreSuite) TestOracle(c *C) { go func() { defer wg.Done() - t3, err := s.store.getTimestampWithRetry(NewBackofferWithVars(ctx, tsoMaxBackoff, nil)) + t3, err := s.store.getTimestampWithRetry(NewBackofferWithVars(ctx, tsoMaxBackoff, nil), oracle.GlobalTxnScope) c.Assert(err, IsNil) c.Assert(t2, Less, t3) expired := s.store.oracle.IsExpired(t2, 50, &oracle.Option{}) @@ -310,10 +310,10 @@ func (s *testStoreSerialSuite) TestOracleChangeByFailpoint(c *C) { o := &mockoracle.MockOracle{} s.store.oracle = o ctx := context.Background() - t1, err := s.store.getTimestampWithRetry(NewBackofferWithVars(ctx, 100, nil)) + t1, err := s.store.getTimestampWithRetry(NewBackofferWithVars(ctx, 100, nil), oracle.GlobalTxnScope) c.Assert(err, IsNil) c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/oracle/changeTSFromPD"), IsNil) - t2, err := s.store.getTimestampWithRetry(NewBackofferWithVars(ctx, 100, nil)) + t2, err := s.store.getTimestampWithRetry(NewBackofferWithVars(ctx, 100, nil), oracle.GlobalTxnScope) c.Assert(err, IsNil) c.Assert(t1, Greater, t2) } diff --git a/store/tikv/txn.go b/store/tikv/txn.go index cf9bbfe5f965f..87a17947da8da 100644 --- a/store/tikv/txn.go +++ b/store/tikv/txn.go @@ -87,20 +87,20 @@ type tikvTxn struct { commitCallback func(info kv.TxnInfo, err error) } -func newTiKVTxn(store *tikvStore) (*tikvTxn, error) { +func newTiKVTxn(store *tikvStore, txnScope string) (*tikvTxn, error) { bo := NewBackofferWithVars(context.Background(), tsoMaxBackoff, nil) - startTS, err := store.getTimestampWithRetry(bo) + startTS, err := store.getTimestampWithRetry(bo, txnScope) if err != nil { return nil, errors.Trace(err) } - return newTikvTxnWithStartTS(store, startTS, store.nextReplicaReadSeed()) + return newTiKVTxnWithStartTS(store, txnScope, startTS, store.nextReplicaReadSeed()) } -// newTikvTxnWithStartTS creates a txn with startTS. -func newTikvTxnWithStartTS(store *tikvStore, startTS uint64, replicaReadSeed uint32) (*tikvTxn, error) { +// newTiKVTxnWithStartTS creates a txn with startTS. +func newTiKVTxnWithStartTS(store *tikvStore, txnScope string, startTS uint64, replicaReadSeed uint32) (*tikvTxn, error) { ver := kv.NewVersion(startTS) snapshot := newTiKVSnapshot(store, ver, replicaReadSeed) - return &tikvTxn{ + newTiKVTxn := &tikvTxn{ snapshot: snapshot, us: kv.NewUnionStore(snapshot), store: store, @@ -108,7 +108,9 @@ func newTikvTxnWithStartTS(store *tikvStore, startTS uint64, replicaReadSeed uin startTime: time.Now(), valid: true, vars: kv.DefaultVars, - }, nil + } + newTiKVTxn.SetOption(kv.TxnScope, txnScope) + return newTiKVTxn, nil } type assertionPair struct { @@ -352,7 +354,7 @@ func (txn *tikvTxn) collectLockedKeys() [][]byte { func (txn *tikvTxn) onCommitted(err error) { if txn.commitCallback != nil { - info := kv.TxnInfo{StartTS: txn.startTS, CommitTS: txn.commitTS} + info := kv.TxnInfo{TxnScope: txn.GetUnionStore().GetOption(kv.TxnScope).(string), StartTS: txn.startTS, CommitTS: txn.commitTS} if err != nil { info.ErrMsg = err.Error() } diff --git a/util/mock/context.go b/util/mock/context.go index ec774518948e8..6a23720cac247 100644 --- a/util/mock/context.go +++ b/util/mock/context.go @@ -25,6 +25,7 @@ import ( "github.com/pingcap/tidb/owner" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/sessionctx/variable" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/disk" "github.com/pingcap/tidb/util/kvcache" @@ -182,7 +183,7 @@ func (c *Context) InitTxnWithStartTS(startTS uint64) error { return nil } if c.Store != nil { - txn, err := c.Store.BeginWithStartTS(startTS) + txn, err := c.Store.BeginWithStartTS(oracle.GlobalTxnScope, startTS) if err != nil { return errors.Trace(err) } diff --git a/util/mock/store.go b/util/mock/store.go index 374f25ece5225..a86d18da313ec 100644 --- a/util/mock/store.go +++ b/util/mock/store.go @@ -37,8 +37,13 @@ func (s *Store) GetOracle() oracle.Oracle { return nil } // Begin implements kv.Storage interface. func (s *Store) Begin() (kv.Transaction, error) { return nil, nil } +// BeginWithTxnScope implements kv.Storage interface. +func (s *Store) BeginWithTxnScope(txnScope string) (kv.Transaction, error) { return nil, nil } + // BeginWithStartTS implements kv.Storage interface. -func (s *Store) BeginWithStartTS(startTS uint64) (kv.Transaction, error) { return s.Begin() } +func (s *Store) BeginWithStartTS(txnScope string, startTS uint64) (kv.Transaction, error) { + return s.Begin() +} // GetSnapshot implements kv.Storage interface. func (s *Store) GetSnapshot(ver kv.Version) kv.Snapshot { return nil } From c31a98be2842721933f63a8fd52439ed4fcb8893 Mon Sep 17 00:00:00 2001 From: Arenatlx Date: Fri, 4 Dec 2020 10:55:13 +0800 Subject: [PATCH 0379/1021] ddl: check add-column error when it is in txn insert (#21368) --- ddl/db_test.go | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/ddl/db_test.go b/ddl/db_test.go index 0fb2b561646ad..9f312708af999 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -3449,8 +3449,13 @@ out: c.Assert(err, IsNil) break out default: - tk.MustExec("update tnn set c2 = c2 + 1 where c1 = 99") - updateCnt++ + // Close issue #14636 + // Because add column action is not amendable now, it causes an error when the schema is changed + // in the process of an insert statement. + _, err := tk.Exec("update tnn set c2 = c2 + 1 where c1 = 99") + if err == nil { + updateCnt++ + } } } expected := fmt.Sprintf("%d %d", updateCnt, 3) From ed124b78a7a5becd4bc2b30f3e0cb326c2dc21a5 Mon Sep 17 00:00:00 2001 From: RogerYK Date: Fri, 4 Dec 2020 11:31:18 +0800 Subject: [PATCH 0380/1021] planner: fix ambiguous field when resolve having expr (#21165) --- planner/core/logical_plan_builder.go | 7 ++++--- planner/core/logical_plan_test.go | 4 ++++ 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index 4d98c33515d6f..37f1a8ee228b3 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -1883,9 +1883,10 @@ func (a *havingWindowAndOrderbyExprResolver) Leave(n ast.Node) (node ast.Node, o if index != -1 { // For SQLs like: // select a+1 from t having t.a; - newV := v - newV.Name = &ast.ColumnName{Name: v.Name.Name} - index, a.err = resolveFromSelectFields(newV, a.selectFields, true) + field := a.selectFields[index] + if field.Auxiliary { //having can't use auxiliary field + index = -1 + } } } else { index, a.err = resolveFromSelectFields(v, a.selectFields, true) diff --git a/planner/core/logical_plan_test.go b/planner/core/logical_plan_test.go index eeb3872a3ef39..b839f1e8e75d0 100644 --- a/planner/core/logical_plan_test.go +++ b/planner/core/logical_plan_test.go @@ -791,6 +791,10 @@ func (s *testPlanSuite) TestValidate(c *C) { sql: "select a + 1 from t having a", err: ErrUnknownColumn, }, + { // issue (#20509) + sql: "select * from t left join t2 on t.a=t2.a having not (t.a <=> t2.a)", + err: nil, + }, { sql: "select a from t having sum(avg(a))", err: ErrInvalidGroupFuncUse, From 22e5ebd31085b9fbbc1617fcc0642f1b1c722f89 Mon Sep 17 00:00:00 2001 From: JmPotato Date: Fri, 4 Dec 2020 13:41:47 +0800 Subject: [PATCH 0381/1021] *: use the Local TSO to update ForUpdateTS (#21490) Signed-off-by: JmPotato --- ddl/db_integration_test.go | 3 ++- ddl/delete_range.go | 3 ++- ddl/reorg.go | 3 ++- domain/domain.go | 3 ++- domain/domain_test.go | 4 ++-- domain/infosync/info.go | 2 +- executor/adapter.go | 4 +++- executor/executor_test.go | 4 ++-- kv/interface_mock_test.go | 2 +- kv/kv.go | 4 ++-- kv/mock_test.go | 3 ++- meta/meta_test.go | 3 ++- session/schema_amender_test.go | 3 ++- session/session_test.go | 2 +- store/store_test.go | 3 ++- store/tikv/1pc_test.go | 4 ++-- store/tikv/2pc_test.go | 2 +- store/tikv/async_commit_test.go | 2 +- store/tikv/gcworker/gc_worker.go | 6 +++--- store/tikv/kv.go | 4 ++-- store/tikv/lock_test.go | 4 ++-- util/mock/store.go | 2 +- 22 files changed, 40 insertions(+), 30 deletions(-) diff --git a/ddl/db_integration_test.go b/ddl/db_integration_test.go index b5449616e94ca..abf2244a0887f 100644 --- a/ddl/db_integration_test.go +++ b/ddl/db_integration_test.go @@ -40,6 +40,7 @@ import ( "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/store/mockstore" "github.com/pingcap/tidb/store/mockstore/cluster" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/collate" @@ -1305,7 +1306,7 @@ func getMaxTableHandle(ctx *testMaxTableRowIDContext, store kv.Storage) (kv.Hand c := ctx.c d := ctx.d tbl := ctx.tbl - curVer, err := store.CurrentVersion() + curVer, err := store.CurrentVersion(oracle.GlobalTxnScope) c.Assert(err, IsNil) maxHandle, emptyTable, err := d.GetTableMaxHandle(curVer.Ver, tbl.(table.PhysicalTable)) c.Assert(err, IsNil) diff --git a/ddl/delete_range.go b/ddl/delete_range.go index a31f24e0a705d..7ff2ae4017369 100644 --- a/ddl/delete_range.go +++ b/ddl/delete_range.go @@ -27,6 +27,7 @@ import ( "github.com/pingcap/tidb/ddl/util" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/sqlexec" @@ -445,7 +446,7 @@ func doBatchInsert(s sqlexec.SQLExecutor, jobID int64, tableIDs []int64, ts uint // getNowTS gets the current timestamp, in TSO. func getNowTSO(ctx sessionctx.Context) (uint64, error) { - currVer, err := ctx.GetStore().CurrentVersion() + currVer, err := ctx.GetStore().CurrentVersion(oracle.GlobalTxnScope) if err != nil { return 0, errors.Trace(err) } diff --git a/ddl/reorg.go b/ddl/reorg.go index fc126c8410fe9..f2a3ff9362cc8 100644 --- a/ddl/reorg.go +++ b/ddl/reorg.go @@ -34,6 +34,7 @@ import ( "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/statistics" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/table/tables" "github.com/pingcap/tidb/tablecodec" @@ -531,7 +532,7 @@ func getTableRange(d *ddlCtx, tbl table.PhysicalTable, snapshotVer uint64, prior } func getValidCurrentVersion(store kv.Storage) (ver kv.Version, err error) { - ver, err = store.CurrentVersion() + ver, err = store.CurrentVersion(oracle.GlobalTxnScope) if err != nil { return ver, errors.Trace(err) } else if ver.Ver <= 0 { diff --git a/domain/domain.go b/domain/domain.go index d944d26021366..6da3cac831030 100644 --- a/domain/domain.go +++ b/domain/domain.go @@ -48,6 +48,7 @@ import ( "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/statistics/handle" "github.com/pingcap/tidb/store/tikv" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/telemetry" "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/dbterror" @@ -364,7 +365,7 @@ func (do *Domain) Reload() error { var err error var neededSchemaVersion int64 - ver, err := do.store.CurrentVersion() + ver, err := do.store.CurrentVersion(oracle.GlobalTxnScope) if err != nil { return err } diff --git a/domain/domain_test.go b/domain/domain_test.go index 17c9e81d31624..3440e0116ce94 100644 --- a/domain/domain_test.go +++ b/domain/domain_test.go @@ -341,7 +341,7 @@ func (*testSuite) TestT(c *C) { // for schemaValidator schemaVer := dom.SchemaValidator.(*schemaValidator).LatestSchemaVersion() - ver, err := store.CurrentVersion() + ver, err := store.CurrentVersion(oracle.GlobalTxnScope) c.Assert(err, IsNil) ts := ver.Ver @@ -354,7 +354,7 @@ func (*testSuite) TestT(c *C) { c.Assert(succ, Equals, ResultSucc) time.Sleep(ddlLease) - ver, err = store.CurrentVersion() + ver, err = store.CurrentVersion(oracle.GlobalTxnScope) c.Assert(err, IsNil) ts = ver.Ver _, succ = dom.SchemaValidator.Check(ts, schemaVer, nil) diff --git a/domain/infosync/info.go b/domain/infosync/info.go index 1d3ade702db6a..8c7f1c136c47c 100644 --- a/domain/infosync/info.go +++ b/domain/infosync/info.go @@ -557,7 +557,7 @@ func (is *InfoSyncer) ReportMinStartTS(store kv.Storage) { pl := is.manager.ShowProcessList() // Calculate the lower limit of the start timestamp to avoid extremely old transaction delaying GC. - currentVer, err := store.CurrentVersion() + currentVer, err := store.CurrentVersion(oracle.GlobalTxnScope) if err != nil { logutil.BgLogger().Error("update minStartTS failed", zap.Error(err)) return diff --git a/executor/adapter.go b/executor/adapter.go index 1252420627469..9608609acd6c3 100644 --- a/executor/adapter.go +++ b/executor/adapter.go @@ -604,7 +604,9 @@ func UpdateForUpdateTS(seCtx sessionctx.Context, newForUpdateTS uint64) error { return nil } if newForUpdateTS == 0 { - version, err := seCtx.GetStore().CurrentVersion() + // Because the ForUpdateTS is used for the snapshot for reading data in DML. + // We can avoid allocating a global TSO here to speed it up by using the local TSO. + version, err := seCtx.GetStore().CurrentVersion(txn.GetUnionStore().GetOption(kv.TxnScope).(string)) if err != nil { return err } diff --git a/executor/executor_test.go b/executor/executor_test.go index 95f619640d4d5..46358c7f1c3a2 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -2611,11 +2611,11 @@ func (s *testSuiteP2) TestHistoryRead(c *C) { // SnapshotTS Is not updated if check failed. c.Assert(tk.Se.GetSessionVars().SnapshotTS, Equals, uint64(0)) - curVer1, _ := s.store.CurrentVersion() + curVer1, _ := s.store.CurrentVersion(oracle.GlobalTxnScope) time.Sleep(time.Millisecond) snapshotTime := time.Now() time.Sleep(time.Millisecond) - curVer2, _ := s.store.CurrentVersion() + curVer2, _ := s.store.CurrentVersion(oracle.GlobalTxnScope) tk.MustExec("insert history_read values (2)") tk.MustQuery("select * from history_read").Check(testkit.Rows("1", "2")) tk.MustExec("set @@tidb_snapshot = '" + snapshotTime.Format("2006-01-02 15:04:05.999999") + "'") diff --git a/kv/interface_mock_test.go b/kv/interface_mock_test.go index 1fc3f0fd60fe3..348a37b72901a 100644 --- a/kv/interface_mock_test.go +++ b/kv/interface_mock_test.go @@ -177,7 +177,7 @@ func (s *mockStorage) UUID() string { } // CurrentVersion returns current max committed version. -func (s *mockStorage) CurrentVersion() (Version, error) { +func (s *mockStorage) CurrentVersion(txnScope string) (Version, error) { return NewVersion(1), nil } diff --git a/kv/kv.go b/kv/kv.go index 64056a8c04195..c43435d0e5210 100644 --- a/kv/kv.go +++ b/kv/kv.go @@ -475,8 +475,8 @@ type Storage interface { Close() error // UUID return a unique ID which represents a Storage. UUID() string - // CurrentVersion returns current max committed version. - CurrentVersion() (Version, error) + // CurrentVersion returns current max committed version with the given txnScope (local or global). + CurrentVersion(txnScope string) (Version, error) // GetOracle gets a timestamp oracle client. GetOracle() oracle.Oracle // SupportDeleteRange gets the storage support delete range or not. diff --git a/kv/mock_test.go b/kv/mock_test.go index bbc0b74151361..179e20d091027 100644 --- a/kv/mock_test.go +++ b/kv/mock_test.go @@ -17,6 +17,7 @@ import ( "context" . "github.com/pingcap/check" + "github.com/pingcap/tidb/store/tikv/oracle" ) var _ = Suite(testMockSuite{}) @@ -28,7 +29,7 @@ func (s testMockSuite) TestInterface(c *C) { storage := newMockStorage() storage.GetClient() storage.UUID() - version, err := storage.CurrentVersion() + version, err := storage.CurrentVersion(oracle.GlobalTxnScope) c.Check(err, IsNil) snapshot := storage.GetSnapshot(version) _, err = snapshot.BatchGet(context.Background(), []Key{Key("abc"), Key("def")}) diff --git a/meta/meta_test.go b/meta/meta_test.go index f311131f3f4b9..cee24e2499f7e 100644 --- a/meta/meta_test.go +++ b/meta/meta_test.go @@ -28,6 +28,7 @@ import ( "github.com/pingcap/tidb/meta" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/store/mockstore" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/codec" "github.com/pingcap/tidb/util/testleak" @@ -286,7 +287,7 @@ func (s *testSuite) TestSnapshot(c *C) { c.Assert(n, Equals, int64(1)) txn.Commit(context.Background()) - ver1, _ := store.CurrentVersion() + ver1, _ := store.CurrentVersion(oracle.GlobalTxnScope) time.Sleep(time.Millisecond) txn, _ = store.Begin() m = meta.NewMeta(txn) diff --git a/session/schema_amender_test.go b/session/schema_amender_test.go index 2ab99cb29f092..23a53292b4619 100644 --- a/session/schema_amender_test.go +++ b/session/schema_amender_test.go @@ -28,6 +28,7 @@ import ( "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/store/tikv" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" @@ -425,7 +426,7 @@ func (s *testSchemaAmenderSuite) TestAmendCollectAndGenMutations(c *C) { } c.Assert(err, IsNil) } - curVer, err := se.store.CurrentVersion() + curVer, err := se.store.CurrentVersion(oracle.GlobalTxnScope) c.Assert(err, IsNil) se.sessionVars.TxnCtx.SetForUpdateTS(curVer.Ver + 1) mutationVals, err := txn.BatchGet(ctx, checkKeys) diff --git a/session/session_test.go b/session/session_test.go index bb8e4a9bba9f4..293c326aa0693 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -2031,7 +2031,7 @@ func (s *testSchemaSerialSuite) TestLoadSchemaFailed(c *C) { _, err = tk1.Exec("commit") c.Check(err, NotNil) - ver, err := s.store.CurrentVersion() + ver, err := s.store.CurrentVersion(oracle.GlobalTxnScope) c.Assert(err, IsNil) c.Assert(ver, NotNil) diff --git a/store/store_test.go b/store/store_test.go index 54d431f33a146..55bfdcb4780a4 100644 --- a/store/store_test.go +++ b/store/store_test.go @@ -26,6 +26,7 @@ import ( . "github.com/pingcap/check" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/store/mockstore" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/testleak" ) @@ -542,7 +543,7 @@ func (s *testKVSuite) TestDBClose(c *C) { err = txn.Commit(context.Background()) c.Assert(err, IsNil) - ver, err := store.CurrentVersion() + ver, err := store.CurrentVersion(oracle.GlobalTxnScope) c.Assert(err, IsNil) c.Assert(kv.MaxVersion.Cmp(ver), Equals, 1) diff --git a/store/tikv/1pc_test.go b/store/tikv/1pc_test.go index 879654267736b..2aa34d07f34d1 100644 --- a/store/tikv/1pc_test.go +++ b/store/tikv/1pc_test.go @@ -130,7 +130,7 @@ func (s *testOnePCSuite) Test1PC(c *C) { // Check all keys keys := [][]byte{k1, k2, k3, k4, k5, k6} values := [][]byte{v1, v2, v3, v4, v5, v6New} - ver, err := s.store.CurrentVersion() + ver, err := s.store.CurrentVersion(oracle.GlobalTxnScope) c.Assert(err, IsNil) snap := s.store.GetSnapshot(ver) for i, k := range keys { @@ -214,7 +214,7 @@ func (s *testOnePCSuite) Test1PCDisallowMultiRegion(c *C) { c.Assert(txn.committer.onePCCommitTS, Equals, uint64(0)) c.Assert(txn.committer.commitTS, Greater, txn.startTS) - ver, err := s.store.CurrentVersion() + ver, err := s.store.CurrentVersion(oracle.GlobalTxnScope) c.Assert(err, IsNil) snap := s.store.GetSnapshot(ver) for i, k := range keys { diff --git a/store/tikv/2pc_test.go b/store/tikv/2pc_test.go index 44b5f81701887..866342dfa081d 100644 --- a/store/tikv/2pc_test.go +++ b/store/tikv/2pc_test.go @@ -333,7 +333,7 @@ func (s *testCommitterSuite) mustGetRegionID(c *C, key []byte) uint64 { } func (s *testCommitterSuite) isKeyLocked(c *C, key []byte) bool { - ver, err := s.store.CurrentVersion() + ver, err := s.store.CurrentVersion(oracle.GlobalTxnScope) c.Assert(err, IsNil) bo := NewBackofferWithVars(context.Background(), getMaxBackoff, nil) req := tikvrpc.NewRequest(tikvrpc.CmdGet, &kvrpcpb.GetRequest{ diff --git a/store/tikv/async_commit_test.go b/store/tikv/async_commit_test.go index 490a0beacf634..eb2080d537dc3 100644 --- a/store/tikv/async_commit_test.go +++ b/store/tikv/async_commit_test.go @@ -76,7 +76,7 @@ func (s *testAsyncCommitCommon) mustGetFromTxn(c *C, txn kv.Transaction, key, ex } func (s *testAsyncCommitCommon) mustGetLock(c *C, key []byte) *Lock { - ver, err := s.store.CurrentVersion() + ver, err := s.store.CurrentVersion(oracle.GlobalTxnScope) c.Assert(err, IsNil) req := tikvrpc.NewRequest(tikvrpc.CmdGet, &kvrpcpb.GetRequest{ Key: key, diff --git a/store/tikv/gcworker/gc_worker.go b/store/tikv/gcworker/gc_worker.go index 10f2a2c0c6674..6a030cda6832e 100644 --- a/store/tikv/gcworker/gc_worker.go +++ b/store/tikv/gcworker/gc_worker.go @@ -71,7 +71,7 @@ type GCWorker struct { // NewGCWorker creates a GCWorker instance. func NewGCWorker(store tikv.Storage, pdClient pd.Client) (tikv.GCHandler, error) { - ver, err := store.CurrentVersion() + ver, err := store.CurrentVersion(oracle.GlobalTxnScope) if err != nil { return nil, errors.Trace(err) } @@ -371,7 +371,7 @@ func (w *GCWorker) calSafePointByMinStartTS(ctx context.Context, safePoint time. } func (w *GCWorker) getOracleTime() (time.Time, error) { - currentVer, err := w.store.CurrentVersion() + currentVer, err := w.store.CurrentVersion(oracle.GlobalTxnScope) if err != nil { return time.Time{}, errors.Trace(err) } @@ -1932,7 +1932,7 @@ type MockGCWorker struct { // NewMockGCWorker creates a MockGCWorker instance ONLY for test. func NewMockGCWorker(store tikv.Storage) (*MockGCWorker, error) { - ver, err := store.CurrentVersion() + ver, err := store.CurrentVersion(oracle.GlobalTxnScope) if err != nil { return nil, errors.Trace(err) } diff --git a/store/tikv/kv.go b/store/tikv/kv.go index 4d78a6d6a429a..472ed4162e596 100644 --- a/store/tikv/kv.go +++ b/store/tikv/kv.go @@ -384,9 +384,9 @@ func (s *tikvStore) UUID() string { return s.uuid } -func (s *tikvStore) CurrentVersion() (kv.Version, error) { +func (s *tikvStore) CurrentVersion(txnScope string) (kv.Version, error) { bo := NewBackofferWithVars(context.Background(), tsoMaxBackoff, nil) - startTS, err := s.getTimestampWithRetry(bo, oracle.GlobalTxnScope) + startTS, err := s.getTimestampWithRetry(bo, txnScope) if err != nil { return kv.NewVersion(0), errors.Trace(err) } diff --git a/store/tikv/lock_test.go b/store/tikv/lock_test.go index e7a18b7f5d48b..4de9f101e3929 100644 --- a/store/tikv/lock_test.go +++ b/store/tikv/lock_test.go @@ -160,7 +160,7 @@ func (s *testLockSuite) TestScanLockResolveWithBatchGet(c *C) { keys = append(keys, []byte{ch}) } - ver, err := s.store.CurrentVersion() + ver, err := s.store.CurrentVersion(oracle.GlobalTxnScope) c.Assert(err, IsNil) snapshot := newTiKVSnapshot(s.store, ver, 0) m, err := snapshot.BatchGet(context.Background(), keys) @@ -401,7 +401,7 @@ func (s *testLockSuite) prewriteTxnWithTTL(c *C, txn *tikvTxn, ttl uint64) { } func (s *testLockSuite) mustGetLock(c *C, key []byte) *Lock { - ver, err := s.store.CurrentVersion() + ver, err := s.store.CurrentVersion(oracle.GlobalTxnScope) c.Assert(err, IsNil) bo := NewBackofferWithVars(context.Background(), getMaxBackoff, nil) req := tikvrpc.NewRequest(tikvrpc.CmdGet, &kvrpcpb.GetRequest{ diff --git a/util/mock/store.go b/util/mock/store.go index a86d18da313ec..9fe0e762d261c 100644 --- a/util/mock/store.go +++ b/util/mock/store.go @@ -55,7 +55,7 @@ func (s *Store) Close() error { return nil } func (s *Store) UUID() string { return "mock" } // CurrentVersion implements kv.Storage interface. -func (s *Store) CurrentVersion() (kv.Version, error) { return kv.Version{}, nil } +func (s *Store) CurrentVersion(txnScope string) (kv.Version, error) { return kv.Version{}, nil } // SupportDeleteRange implements kv.Storage interface. func (s *Store) SupportDeleteRange() bool { return false } From 541efe8d2a1dd96089964fd882addad8f45086a7 Mon Sep 17 00:00:00 2001 From: Jack Yu Date: Fri, 4 Dec 2020 13:55:17 +0800 Subject: [PATCH 0382/1021] executor: make TestPointGetReadLock stable (#21491) Signed-off-by: Shuaipeng Yu --- executor/point_get_test.go | 2 ++ 1 file changed, 2 insertions(+) diff --git a/executor/point_get_test.go b/executor/point_get_test.go index fc72a22e78272..9511a8a42a061 100644 --- a/executor/point_get_test.go +++ b/executor/point_get_test.go @@ -621,6 +621,8 @@ func (s *testPointGetSuite) TestPointGetReadLock(c *C) { c.Assert(ok, IsFalse) tk.MustExec("unlock tables") + // Force reload schema to ensure the cache is released. + c.Assert(s.dom.Reload(), IsNil) rows = tk.MustQuery("explain analyze select * from point where id = 1").Rows() c.Assert(len(rows), Equals, 1) explain = fmt.Sprintf("%v", rows[0]) From fc375864911107f043f85cb426326b4b0ac8825b Mon Sep 17 00:00:00 2001 From: tiancaiamao Date: Fri, 4 Dec 2020 14:28:38 +0800 Subject: [PATCH 0383/1021] *: refactor function ExecRestrictedSQLWithContext to fix a DATA RACE (#21461) --- session/session.go | 72 +++++++++++-------------- statistics/handle/update.go | 5 +- util/sqlexec/restricted_sql_executor.go | 23 +++++++- 3 files changed, 56 insertions(+), 44 deletions(-) diff --git a/session/session.go b/session/session.go index b2750946d7ac0..046610eee4adb 100644 --- a/session/session.go +++ b/session/session.go @@ -794,12 +794,18 @@ func (s *session) ExecRestrictedSQL(sql string) ([]chunk.Row, []*ast.ResultField } // ExecRestrictedSQLWithContext implements RestrictedSQLExecutor interface. -func (s *session) ExecRestrictedSQLWithContext(ctx context.Context, sql string) ([]chunk.Row, []*ast.ResultField, error) { +func (s *session) ExecRestrictedSQLWithContext(ctx context.Context, sql string, opts ...sqlexec.OptionFuncAlias) ( + []chunk.Row, []*ast.ResultField, error) { + var execOption sqlexec.ExecOption + for _, opt := range opts { + opt(&execOption) + } // Use special session to execute the sql. tmp, err := s.sysSessionPool().Get() if err != nil { return nil, nil, err } + defer s.sysSessionPool().Put(tmp) se := tmp.(*session) // The special session will share the `InspectionTableCache` with current session // if the current session in inspection mode. @@ -813,13 +819,31 @@ func (s *session) ExecRestrictedSQLWithContext(ctx context.Context, sql string) } prePruneMode := se.sessionVars.PartitionPruneMode.Load() defer func() { - if se != nil && se.GetSessionVars().StmtCtx.WarningCount() > 0 { - warnings := se.GetSessionVars().StmtCtx.GetWarnings() - s.GetSessionVars().StmtCtx.AppendWarnings(warnings) + if !execOption.IgnoreWarning { + if se != nil && se.GetSessionVars().StmtCtx.WarningCount() > 0 { + warnings := se.GetSessionVars().StmtCtx.GetWarnings() + s.GetSessionVars().StmtCtx.AppendWarnings(warnings) + } } se.sessionVars.PartitionPruneMode.Store(prePruneMode) - s.sysSessionPool().Put(tmp) }() + + if execOption.SnapshotTS != 0 { + se.sessionVars.SnapshotInfoschema, err = domain.GetDomain(s).GetSnapshotInfoSchema(execOption.SnapshotTS) + if err != nil { + return nil, nil, err + } + if err := se.sessionVars.SetSystemVar(variable.TiDBSnapshot, strconv.FormatUint(execOption.SnapshotTS, 10)); err != nil { + return nil, nil, err + } + defer func() { + if err := se.sessionVars.SetSystemVar(variable.TiDBSnapshot, ""); err != nil { + logutil.BgLogger().Error("set tidbSnapshot error", zap.Error(err)) + } + se.sessionVars.SnapshotInfoschema = nil + }() + } + // for analyze stmt we need let worker session follow user session that executing stmt. se.sessionVars.PartitionPruneMode.Store(s.sessionVars.PartitionPruneMode.Load()) metrics.SessionRestrictedSQLCounter.Inc() @@ -832,22 +856,6 @@ func (s *session) ExecRestrictedSQLWithContext(ctx context.Context, sql string) // If current session sets the snapshot timestamp, then execute with this snapshot timestamp. // Otherwise, execute with the current transaction start timestamp if the transaction is valid. func (s *session) ExecRestrictedSQLWithSnapshot(sql string) ([]chunk.Row, []*ast.ResultField, error) { - ctx := context.TODO() - - // Use special session to execute the sql. - tmp, err := s.sysSessionPool().Get() - if err != nil { - return nil, nil, err - } - se := tmp.(*session) - // The special session will share the `InspectionTableCache` with current session - // if the current session in inspection mode. - if cache := s.sessionVars.InspectionTableCache; cache != nil { - se.sessionVars.InspectionTableCache = cache - defer func() { se.sessionVars.InspectionTableCache = nil }() - } - defer s.sysSessionPool().Put(tmp) - metrics.SessionRestrictedSQLCounter.Inc() var snapshot uint64 txn, err := s.Txn(false) if err != nil { @@ -859,27 +867,7 @@ func (s *session) ExecRestrictedSQLWithSnapshot(sql string) ([]chunk.Row, []*ast if s.sessionVars.SnapshotTS != 0 { snapshot = s.sessionVars.SnapshotTS } - // Set snapshot. - if snapshot != 0 { - se.sessionVars.SnapshotInfoschema, err = domain.GetDomain(s).GetSnapshotInfoSchema(snapshot) - if err != nil { - return nil, nil, err - } - if err := se.sessionVars.SetSystemVar(variable.TiDBSnapshot, strconv.FormatUint(snapshot, 10)); err != nil { - return nil, nil, err - } - defer func() { - if err := se.sessionVars.SetSystemVar(variable.TiDBSnapshot, ""); err != nil { - logutil.BgLogger().Error("set tidbSnapshot error", zap.Error(err)) - } - se.sessionVars.SnapshotInfoschema = nil - }() - } - if ok := s.sessionVars.OptimizerUseInvisibleIndexes; ok { - se.sessionVars.OptimizerUseInvisibleIndexes = true - defer func() { se.sessionVars.OptimizerUseInvisibleIndexes = false }() - } - return execRestrictedSQL(ctx, se, sql) + return s.ExecRestrictedSQLWithContext(context.TODO(), sql, sqlexec.ExecOptionWithSnapshot(snapshot)) } func execRestrictedSQL(ctx context.Context, se *session, sql string) ([]chunk.Row, []*ast.ResultField, error) { diff --git a/statistics/handle/update.go b/statistics/handle/update.go index 0e351a743f53f..1a522418510e9 100644 --- a/statistics/handle/update.go +++ b/statistics/handle/update.go @@ -901,7 +901,10 @@ func (h *Handle) autoAnalyzeTable(tblInfo *model.TableInfo, statsTbl *statistics func (h *Handle) execAutoAnalyze(sql string) { startTime := time.Now() - _, _, err := h.restrictedExec.ExecRestrictedSQL(sql) + // Ignore warnings to get rid of a data race here https://github.com/pingcap/tidb/issues/21393 + // Handle is a single instance, updateStatsWorker() and autoAnalyzeWorker() are both using the session, + // One of them is executing ResetContextOfStmt and the other is appending warnings to the StmtCtx, lead to the data race. + _, _, err := h.restrictedExec.ExecRestrictedSQLWithContext(context.Background(), sql, sqlexec.ExecOptionIgnoreWarning) dur := time.Since(startTime) metrics.AutoAnalyzeHistogram.Observe(dur.Seconds()) if err != nil { diff --git a/util/sqlexec/restricted_sql_executor.go b/util/sqlexec/restricted_sql_executor.go index ce39db7fd00a7..6b26f8345ce33 100644 --- a/util/sqlexec/restricted_sql_executor.go +++ b/util/sqlexec/restricted_sql_executor.go @@ -37,13 +37,34 @@ type RestrictedSQLExecutor interface { // ExecRestrictedSQL run sql statement in ctx with some restriction. ExecRestrictedSQL(sql string) ([]chunk.Row, []*ast.ResultField, error) // ExecRestrictedSQLWithContext run sql statement in ctx with some restriction. - ExecRestrictedSQLWithContext(ctx context.Context, sql string) ([]chunk.Row, []*ast.ResultField, error) + ExecRestrictedSQLWithContext(ctx context.Context, sql string, opts ...OptionFuncAlias) ([]chunk.Row, []*ast.ResultField, error) // ExecRestrictedSQLWithSnapshot run sql statement in ctx with some restriction and with snapshot. // If current session sets the snapshot timestamp, then execute with this snapshot timestamp. // Otherwise, execute with the current transaction start timestamp if the transaction is valid. ExecRestrictedSQLWithSnapshot(sql string) ([]chunk.Row, []*ast.ResultField, error) } +// ExecOption is a struct defined for ExecRestrictedSQLWithContext option. +type ExecOption struct { + IgnoreWarning bool + SnapshotTS uint64 +} + +// OptionFuncAlias is defined for the optional paramater of ExecRestrictedSQLWithContext. +type OptionFuncAlias = func(option *ExecOption) + +// ExecOptionIgnoreWarning tells ExecRestrictedSQLWithContext to ignore the warnings. +var ExecOptionIgnoreWarning OptionFuncAlias = func(option *ExecOption) { + option.IgnoreWarning = true +} + +// ExecOptionWithSnapshot tells ExecRestrictedSQLWithContext to use a snapshot. +func ExecOptionWithSnapshot(snapshot uint64) OptionFuncAlias { + return func(option *ExecOption) { + option.SnapshotTS = snapshot + } +} + // SQLExecutor is an interface provides executing normal sql statement. // Why we need this interface? To break circle dependence of packages. // For example, privilege/privileges package need execute SQL, if it use From 43a562f60e782113f1fdca0d113cab40949c1869 Mon Sep 17 00:00:00 2001 From: crazycs Date: Fri, 4 Dec 2020 15:04:12 +0800 Subject: [PATCH 0384/1021] *: fix cancel query slow_query doesn't release resource and tiny optimize (#21456) --- executor/benchmark_test.go | 35 +++++++++++++++++ executor/slow_query.go | 78 +++++++++++++++++++++++++------------ executor/slow_query_test.go | 4 +- 3 files changed, 91 insertions(+), 26 deletions(-) diff --git a/executor/benchmark_test.go b/executor/benchmark_test.go index e95ac82b0c0cc..fcabecc32e01b 100644 --- a/executor/benchmark_test.go +++ b/executor/benchmark_test.go @@ -17,7 +17,9 @@ import ( "context" "encoding/base64" "fmt" + "io/ioutil" "math/rand" + "os" "sort" "strings" "sync" @@ -1981,3 +1983,36 @@ func BenchmarkLimitExec(b *testing.B) { }) } } + +func BenchmarkReadLastLinesOfHugeLine(b *testing.B) { + // step 1. initial a huge line log file + hugeLine := make([]byte, 1024*1024*10) + for i := range hugeLine { + hugeLine[i] = 'a' + byte(i%26) + } + fileName := "tidb.log" + err := ioutil.WriteFile(fileName, hugeLine, 0644) + if err != nil { + b.Fatal(err) + } + file, err := os.OpenFile(fileName, os.O_RDONLY, os.ModePerm) + if err != nil { + b.Fatal(err) + } + defer func() { + file.Close() + os.Remove(fileName) + }() + stat, _ := file.Stat() + filesize := stat.Size() + b.ResetTimer() + for i := 0; i < b.N; i++ { + _, n, err := readLastLines(context.Background(), file, filesize) + if err != nil { + b.Fatal(err) + } + if n != len(hugeLine) { + b.Fatalf("len %v, expected: %v", n, len(hugeLine)) + } + } +} diff --git a/executor/slow_query.go b/executor/slow_query.go index 0d6bf9df4ed86..193ce235a17d3 100755 --- a/executor/slow_query.go +++ b/executor/slow_query.go @@ -68,7 +68,7 @@ type slowQueryRetriever struct { func (e *slowQueryRetriever) retrieve(ctx context.Context, sctx sessionctx.Context) ([][]types.Datum, error) { if !e.initialized { - err := e.initialize(sctx) + err := e.initialize(ctx, sctx) if err != nil { return nil, err } @@ -95,7 +95,7 @@ func (e *slowQueryRetriever) retrieve(ctx context.Context, sctx sessionctx.Conte return retRows, nil } -func (e *slowQueryRetriever) initialize(sctx sessionctx.Context) error { +func (e *slowQueryRetriever) initialize(ctx context.Context, sctx sessionctx.Context) error { var err error var hasProcessPriv bool if pm := privilege.GetPrivilegeManager(sctx); pm != nil { @@ -112,7 +112,7 @@ func (e *slowQueryRetriever) initialize(sctx sessionctx.Context) error { e.checker.endTime = types.NewTime(types.FromGoTime(e.extractor.EndTime), mysql.TypeDatetime, types.MaxFsp) } e.initialized = true - e.files, err = e.getAllFiles(sctx, sctx.GetSessionVars().SlowQueryFile) + e.files, err = e.getAllFiles(ctx, sctx, sctx.GetSessionVars().SlowQueryFile) return err } @@ -243,12 +243,15 @@ type offset struct { length int } -func (e *slowQueryRetriever) getBatchLog(reader *bufio.Reader, offset *offset, num int) ([]string, error) { +func (e *slowQueryRetriever) getBatchLog(ctx context.Context, reader *bufio.Reader, offset *offset, num int) ([]string, error) { var line string log := make([]string, 0, num) var err error for i := 0; i < num; i++ { for { + if isCtxDone(ctx) { + return nil, ctx.Err() + } e.fileLine++ lineByte, err := getOneLine(reader) if err != nil { @@ -290,9 +293,9 @@ func (e *slowQueryRetriever) parseSlowLog(ctx context.Context, sctx sessionctx.C defer close(ch) for { startTime := time.Now() - log, err := e.getBatchLog(reader, &offset, logNum) + log, err := e.getBatchLog(ctx, reader, &offset, logNum) if err != nil { - e.parsedSlowLogCh <- parsedSlowLog{nil, err} + e.sendParsedSlowLogCh(ctx, parsedSlowLog{nil, err}) break } if len(log) == 0 { @@ -306,8 +309,8 @@ func (e *slowQueryRetriever) parseSlowLog(ctx context.Context, sctx sessionctx.C ch <- 1 go func() { defer wg.Done() - result, err := e.parseLog(sctx, log, start) - e.parsedSlowLogCh <- parsedSlowLog{result, err} + result, err := e.parseLog(ctx, sctx, log, start) + e.sendParsedSlowLogCh(ctx, parsedSlowLog{result, err}) <-ch }() offset.offset = e.fileLine @@ -321,6 +324,14 @@ func (e *slowQueryRetriever) parseSlowLog(ctx context.Context, sctx sessionctx.C wg.Wait() } +func (e *slowQueryRetriever) sendParsedSlowLogCh(ctx context.Context, re parsedSlowLog) { + select { + case e.parsedSlowLogCh <- re: + case <-ctx.Done(): + return + } +} + func getLineIndex(offset offset, index int) int { var fileLine int if offset.length <= index { @@ -331,7 +342,7 @@ func getLineIndex(offset offset, index int) int { return fileLine } -func (e *slowQueryRetriever) parseLog(ctx sessionctx.Context, log []string, offset offset) (data [][]types.Datum, err error) { +func (e *slowQueryRetriever) parseLog(ctx context.Context, sctx sessionctx.Context, log []string, offset offset) (data [][]types.Datum, err error) { start := time.Now() defer func() { if r := recover(); r != nil { @@ -347,15 +358,18 @@ func (e *slowQueryRetriever) parseLog(ctx sessionctx.Context, log []string, offs } }) var st *slowQueryTuple - tz := ctx.GetSessionVars().Location() + tz := sctx.GetSessionVars().Location() startFlag := false for index, line := range log { + if isCtxDone(ctx) { + return nil, ctx.Err() + } fileLine := getLineIndex(offset, index) if !startFlag && strings.HasPrefix(line, variable.SlowLogStartPrefixStr) { st = &slowQueryTuple{} valid, err := st.setFieldValue(tz, variable.SlowLogTimeStr, line[len(variable.SlowLogStartPrefixStr):], fileLine, e.checker) if err != nil { - ctx.GetSessionVars().StmtCtx.AppendWarning(err) + sctx.GetSessionVars().StmtCtx.AppendWarning(err) continue } if valid { @@ -372,7 +386,7 @@ func (e *slowQueryRetriever) parseLog(ctx sessionctx.Context, log []string, offs value := line[len(variable.SlowLogUserAndHostStr+variable.SlowLogSpaceMarkStr):] valid, err := st.setFieldValue(tz, variable.SlowLogUserAndHostStr, value, fileLine, e.checker) if err != nil { - ctx.GetSessionVars().StmtCtx.AppendWarning(err) + sctx.GetSessionVars().StmtCtx.AppendWarning(err) continue } if !valid { @@ -381,7 +395,7 @@ func (e *slowQueryRetriever) parseLog(ctx sessionctx.Context, log []string, offs } else if strings.HasPrefix(line, variable.SlowLogCopBackoffPrefix) { valid, err := st.setFieldValue(tz, variable.SlowLogBackoffDetail, line, fileLine, e.checker) if err != nil { - ctx.GetSessionVars().StmtCtx.AppendWarning(err) + sctx.GetSessionVars().StmtCtx.AppendWarning(err) continue } if !valid { @@ -396,7 +410,7 @@ func (e *slowQueryRetriever) parseLog(ctx sessionctx.Context, log []string, offs } valid, err := st.setFieldValue(tz, field, fieldValues[i+1], fileLine, e.checker) if err != nil { - ctx.GetSessionVars().StmtCtx.AppendWarning(err) + sctx.GetSessionVars().StmtCtx.AppendWarning(err) continue } if !valid { @@ -414,7 +428,7 @@ func (e *slowQueryRetriever) parseLog(ctx sessionctx.Context, log []string, offs // Get the sql string, and mark the start flag to false. _, err := st.setFieldValue(tz, variable.SlowLogQuerySQLStr, string(hack.Slice(line)), fileLine, e.checker) if err != nil { - ctx.GetSessionVars().StmtCtx.AppendWarning(err) + sctx.GetSessionVars().StmtCtx.AppendWarning(err) continue } if e.checker.hasPrivilege(st.user) { @@ -804,7 +818,7 @@ type logFile struct { } // getAllFiles is used to get all slow-log needed to parse, it is exported for test. -func (e *slowQueryRetriever) getAllFiles(sctx sessionctx.Context, logFilePath string) ([]logFile, error) { +func (e *slowQueryRetriever) getAllFiles(ctx context.Context, sctx sessionctx.Context, logFilePath string) ([]logFile, error) { totalFileNum := 0 if e.stats != nil { startTime := time.Now() @@ -847,6 +861,9 @@ func (e *slowQueryRetriever) getAllFiles(sctx sessionctx.Context, logFilePath st if !strings.HasPrefix(path, prefix) { return nil } + if isCtxDone(ctx) { + return ctx.Err() + } totalFileNum++ file, err := os.OpenFile(path, os.O_RDONLY, os.ModePerm) if err != nil { @@ -859,7 +876,7 @@ func (e *slowQueryRetriever) getAllFiles(sctx sessionctx.Context, logFilePath st } }() // Get the file start time. - fileStartTime, err := e.getFileStartTime(file) + fileStartTime, err := e.getFileStartTime(ctx, file) if err != nil { return handleErr(err) } @@ -869,7 +886,7 @@ func (e *slowQueryRetriever) getAllFiles(sctx sessionctx.Context, logFilePath st } // Get the file end time. - fileEndTime, err := e.getFileEndTime(file) + fileEndTime, err := e.getFileEndTime(ctx, file) if err != nil { return handleErr(err) } @@ -902,7 +919,7 @@ func (e *slowQueryRetriever) getAllFiles(sctx sessionctx.Context, logFilePath st return logFiles, err } -func (e *slowQueryRetriever) getFileStartTime(file *os.File) (time.Time, error) { +func (e *slowQueryRetriever) getFileStartTime(ctx context.Context, file *os.File) (time.Time, error) { var t time.Time _, err := file.Seek(0, io.SeekStart) if err != nil { @@ -923,6 +940,9 @@ func (e *slowQueryRetriever) getFileStartTime(file *os.File) (time.Time, error) if maxNum <= 0 { break } + if isCtxDone(ctx) { + return t, ctx.Err() + } } return t, errors.Errorf("malform slow query file %v", file.Name()) } @@ -974,7 +994,7 @@ func (s *slowQueryRuntimeStats) Tp() int { return execdetails.TpSlowQueryRuntimeStat } -func (e *slowQueryRetriever) getFileEndTime(file *os.File) (time.Time, error) { +func (e *slowQueryRetriever) getFileEndTime(ctx context.Context, file *os.File) (time.Time, error) { var t time.Time var tried int stat, err := file.Stat() @@ -984,7 +1004,7 @@ func (e *slowQueryRetriever) getFileEndTime(file *os.File) (time.Time, error) { endCursor := stat.Size() maxLineNum := 128 for { - lines, readBytes, err := readLastLines(file, endCursor) + lines, readBytes, err := readLastLines(ctx, file, endCursor) if err != nil { return t, err } @@ -1002,24 +1022,31 @@ func (e *slowQueryRetriever) getFileEndTime(file *os.File) (time.Time, error) { if tried >= maxLineNum { break } + if isCtxDone(ctx) { + return t, ctx.Err() + } } return t, errors.Errorf("invalid slow query file %v", file.Name()) } +const maxReadCacheSize = 1024 * 1024 * 64 + // Read lines from the end of a file // endCursor initial value should be the filesize -func readLastLines(file *os.File, endCursor int64) ([]string, int, error) { +func readLastLines(ctx context.Context, file *os.File, endCursor int64) ([]string, int, error) { var lines []byte var firstNonNewlinePos int var cursor = endCursor + var size int64 = 2048 for { // stop if we are at the beginning // check it in the start to avoid read beyond the size if cursor <= 0 { break } - - var size int64 = 4096 + if size < maxReadCacheSize { + size = size * 2 + } if cursor < size { size = cursor } @@ -1051,6 +1078,9 @@ func readLastLines(file *os.File, endCursor int64) ([]string, int, error) { if firstNonNewlinePos > 0 { break } + if isCtxDone(ctx) { + return nil, 0, ctx.Err() + } } finalStr := string(lines[firstNonNewlinePos:]) return strings.Split(strings.ReplaceAll(finalStr, "\r\n", "\n"), "\n"), len(finalStr), nil diff --git a/executor/slow_query_test.go b/executor/slow_query_test.go index a22142774cec4..88b36b967a6fb 100644 --- a/executor/slow_query_test.go +++ b/executor/slow_query_test.go @@ -48,7 +48,7 @@ func parseLog(retriever *slowQueryRetriever, sctx sessionctx.Context, reader *bu func parseSlowLog(sctx sessionctx.Context, reader *bufio.Reader, logNum int) ([][]types.Datum, error) { retriever := &slowQueryRetriever{} // Ignore the error is ok for test. - terror.Log(retriever.initialize(sctx)) + terror.Log(retriever.initialize(context.Background(), sctx)) rows, err := parseLog(retriever, sctx, reader, logNum) return rows, err } @@ -450,7 +450,7 @@ select 7;` } retriever := &slowQueryRetriever{extractor: extractor} - err := retriever.initialize(sctx) + err := retriever.initialize(context.Background(), sctx) c.Assert(err, IsNil) comment := Commentf("case id: %v", i) c.Assert(retriever.files, HasLen, len(cas.files), comment) From 91a9d3065ae985b9ec9fb8c5167e650749dfaf23 Mon Sep 17 00:00:00 2001 From: Arenatlx Date: Fri, 4 Dec 2020 15:29:49 +0800 Subject: [PATCH 0385/1021] ddl: make reorg session aware of the new row format (#21412) --- ddl/backfilling.go | 3 +++ ddl/column_type_change_test.go | 28 ++++++++++++++++++++++++++++ ddl/util/util.go | 4 +++- sessionctx/variable/session.go | 2 ++ sessionctx/variable/tidb_vars.go | 1 + sessionctx/variable/varsutil.go | 10 ++++++++++ 6 files changed, 47 insertions(+), 1 deletion(-) diff --git a/ddl/backfilling.go b/ddl/backfilling.go index ab7922b4aaeba..22e9dd56924e3 100644 --- a/ddl/backfilling.go +++ b/ddl/backfilling.go @@ -569,6 +569,7 @@ func (w *worker) writePhysicalTableRecord(t table.PhysicalTable, bfWorkerType ba logutil.BgLogger().Error("[ddl] load DDL reorganization variable failed", zap.Error(err)) } workerCnt = variable.GetDDLReorgWorkerCounter() + rowFormat := variable.GetDDLReorgRowFormat() // If only have 1 range, we can only start 1 worker. if len(kvRanges) < int(workerCnt) { workerCnt = int32(len(kvRanges)) @@ -577,6 +578,8 @@ func (w *worker) writePhysicalTableRecord(t table.PhysicalTable, bfWorkerType ba for i := len(backfillWorkers); i < int(workerCnt); i++ { sessCtx := newContext(reorgInfo.d.store) sessCtx.GetSessionVars().StmtCtx.IsDDLJobInQueue = true + // Set the row encode format version. + sessCtx.GetSessionVars().RowEncoder.Enable = rowFormat != variable.DefTiDBRowFormatV1 // Simulate the sql mode environment in the worker sessionCtx. sqlMode := reorgInfo.ReorgMeta.SQLMode sessCtx.GetSessionVars().SQLMode = sqlMode diff --git a/ddl/column_type_change_test.go b/ddl/column_type_change_test.go index 41b268a971d3f..146197fe383c7 100644 --- a/ddl/column_type_change_test.go +++ b/ddl/column_type_change_test.go @@ -27,9 +27,12 @@ import ( "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/session" "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/store/helper" "github.com/pingcap/tidb/store/mockstore" + "github.com/pingcap/tidb/store/tikv" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/table/tables" + "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/util/dbterror" "github.com/pingcap/tidb/util/testkit" ) @@ -1541,3 +1544,28 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromJsonToOthers(c *C) { tk.MustExec("alter table t modify str year") tk.MustQuery("select * from t").Check(testkit.Rows("0 0 0 2001 0 2020 1991 2009 2020")) } + +// TestRowFormat is used to close issue #21391, the encoded row in column type change should be aware of the new row format. +func (s *testColumnTypeChangeSuite) TestRowFormat(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + // Enable column change variable. + tk.Se.GetSessionVars().EnableChangeColumnType = true + defer func() { + tk.Se.GetSessionVars().EnableChangeColumnType = false + }() + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (id int primary key, v varchar(10))") + tk.MustExec("insert into t values (1, \"123\");") + tk.MustExec("alter table t modify column v varchar(5);") + + tbl := testGetTableByName(c, tk.Se, "test", "t") + encodedKey := tablecodec.EncodeRowKeyWithHandle(tbl.Meta().ID, kv.IntHandle(1)) + + h := helper.NewHelper(s.store.(tikv.Storage)) + data, err := h.GetMvccByEncodedKey(encodedKey) + c.Assert(err, IsNil) + // The new format will start with CodecVer = 128 (0x80). + c.Assert(data.Info.Writes[0].ShortValue, DeepEquals, []byte{0x80, 0x0, 0x3, 0x0, 0x0, 0x0, 0x1, 0x2, 0x3, 0x1, 0x0, 0x4, 0x0, 0x7, 0x0, 0x1, 0x31, 0x32, 0x33, 0x31, 0x32, 0x33}) + tk.MustExec("drop table if exists t") +} diff --git a/ddl/util/util.go b/ddl/util/util.go index 69a6d3ced56f7..295376945f7c6 100644 --- a/ddl/util/util.go +++ b/ddl/util/util.go @@ -154,7 +154,9 @@ func UpdateDeleteRange(ctx sessionctx.Context, dr DelRangeTask, newStartKey, old // LoadDDLReorgVars loads ddl reorg variable from mysql.global_variables. func LoadDDLReorgVars(ctx sessionctx.Context) error { - return LoadGlobalVars(ctx, []string{variable.TiDBDDLReorgWorkerCount, variable.TiDBDDLReorgBatchSize}) + // close issue #21391 + // variable.TiDBRowFormatVersion is used to encode the new row for column type change. + return LoadGlobalVars(ctx, []string{variable.TiDBDDLReorgWorkerCount, variable.TiDBDDLReorgBatchSize, variable.TiDBRowFormatVersion}) } // LoadDDLVars loads ddl variable from mysql.global_variables. diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 1fa3b5758a3af..29204aae4252a 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -1681,6 +1681,8 @@ func SetLocalSystemVar(name string, val string) { SetDDLReorgBatchSize(int32(tidbOptPositiveInt32(val, DefTiDBDDLReorgBatchSize))) case TiDBDDLErrorCountLimit: SetDDLErrorCountLimit(tidbOptInt64(val, DefTiDBDDLErrorCountLimit)) + case TiDBRowFormatVersion: + SetDDLReorgRowFormat(tidbOptInt64(val, DefTiDBRowFormatV2)) } } diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 82c2f68e5741c..7115c4e74f7e8 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -611,6 +611,7 @@ var ( maxDDLReorgWorkerCount int32 = 128 ddlReorgBatchSize int32 = DefTiDBDDLReorgBatchSize ddlErrorCountlimit int64 = DefTiDBDDLErrorCountLimit + ddlReorgRowFormat int64 = DefTiDBRowFormatV2 maxDeltaSchemaCount int64 = DefTiDBMaxDeltaSchemaCount // Export for testing. MaxDDLReorgBatchSize int32 = 10240 diff --git a/sessionctx/variable/varsutil.go b/sessionctx/variable/varsutil.go index ee72c7f285419..721985eaa617a 100644 --- a/sessionctx/variable/varsutil.go +++ b/sessionctx/variable/varsutil.go @@ -72,6 +72,16 @@ func GetDDLErrorCountLimit() int64 { return atomic.LoadInt64(&ddlErrorCountlimit) } +// SetDDLReorgRowFormat sets ddlReorgRowFormat version. +func SetDDLReorgRowFormat(format int64) { + atomic.StoreInt64(&ddlReorgRowFormat, format) +} + +// GetDDLReorgRowFormat gets ddlReorgRowFormat version. +func GetDDLReorgRowFormat() int64 { + return atomic.LoadInt64(&ddlReorgRowFormat) +} + // SetMaxDeltaSchemaCount sets maxDeltaSchemaCount size. func SetMaxDeltaSchemaCount(cnt int64) { atomic.StoreInt64(&maxDeltaSchemaCount, cnt) From c3fac5a2c41f43f1000e87476b8928b10c4c005b Mon Sep 17 00:00:00 2001 From: wjHuang Date: Fri, 4 Dec 2020 16:25:18 +0800 Subject: [PATCH 0386/1021] ddl: stabilize test TestAddPrimaryKeyRollback1 (#21492) Signed-off-by: wjhuang2016 --- ddl/db_test.go | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/ddl/db_test.go b/ddl/db_test.go index 9f312708af999..f89b68297d654 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -415,6 +415,10 @@ LOOP: // delete some rows, and add some data for i := count; i < count+step; i++ { n := rand.Intn(count) + // Don't delete this row, otherwise error message would change. + if n == defaultBatchSize*2-10 { + continue + } tk.MustExec("delete from t1 where c1 = ?", n) tk.MustExec("insert into t1 values (?, ?, ?)", i+10, i, i) } From 1df810744805a6815af5e50b08705bc3e80fc30c Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Fri, 4 Dec 2020 18:59:48 +0800 Subject: [PATCH 0387/1021] planner: fix invalid convert type in between...and... (#19820) --- expression/builtin_compare.go | 2 +- expression/integration_test.go | 15 +++++++++++ planner/core/expression_rewriter.go | 42 ++++++++++++++++++++++++----- 3 files changed, 51 insertions(+), 8 deletions(-) diff --git a/expression/builtin_compare.go b/expression/builtin_compare.go index 466cd29b94bc2..5c73e0e070793 100644 --- a/expression/builtin_compare.go +++ b/expression/builtin_compare.go @@ -382,7 +382,7 @@ func temporalWithDateAsNumEvalType(argTp *types.FieldType) (argEvalType types.Ev return } -// GetCmpTp4MinMax gets compare type for GREATEST and LEAST and BETWEEN (mainly for datetime). +// GetCmpTp4MinMax gets compare type for GREATEST and LEAST and BETWEEN func GetCmpTp4MinMax(args []Expression) (argTp types.EvalType) { datetimeFound, isAllStr := false, true cmpEvalType, isStr, isTemporalWithDate := temporalWithDateAsNumEvalType(args[0].GetType()) diff --git a/expression/integration_test.go b/expression/integration_test.go index 49c43affbc742..4530367f1dba8 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7560,6 +7560,21 @@ func (s *testIntegrationSerialSuite) TestIssue17063(c *C) { tk.MustQuery(`select coercibility(lag(b, 1, 'B') over w) from t window w as (order by b);`).Check(testkit.Rows("2", "2")) } +func (s *testIntegrationSerialSuite) TestIssue11177(c *C) { + collate.SetNewCollationEnabledForTest(true) + defer collate.SetNewCollationEnabledForTest(false) + + tk := testkit.NewTestKit(c, s.store) + tk.MustQuery("SELECT 'lvuleck' BETWEEN '2008-09-16 22:23:50' AND 0;").Check(testkit.Rows("0")) + tk.MustQuery("show warnings;").Check(testkit.Rows("Warning 1292 Truncated incorrect FLOAT value: 'lvuleck'", "Warning 1292 Truncated incorrect FLOAT value: '2008-09-16 22:23:50'")) + tk.MustQuery("SELECT 'aa' BETWEEN 'bb' AND 0;").Check(testkit.Rows("1")) + tk.MustQuery("show warnings;").Check(testkit.Rows("Warning 1292 Truncated incorrect FLOAT value: 'aa'", "Warning 1292 Truncated incorrect FLOAT value: 'bb'")) + tk.MustQuery("select 1 between 0 and b'110';").Check(testkit.Rows("1")) + tk.MustQuery("show warnings;").Check(testkit.Rows()) + tk.MustQuery("select 'b' between 'a' and b'110';").Check(testkit.Rows("0")) + tk.MustQuery("show warnings;").Check(testkit.Rows()) +} + func (s *testIntegrationSuite) TestIssue19504(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/planner/core/expression_rewriter.go b/planner/core/expression_rewriter.go index 4eace01a99479..d61eb5344e985 100644 --- a/planner/core/expression_rewriter.go +++ b/planner/core/expression_rewriter.go @@ -1522,6 +1522,40 @@ func (er *expressionRewriter) rowToScalarFunc(v *ast.RowExpr) { er.ctxStackAppend(function, types.EmptyName) } +func (er *expressionRewriter) wrapExpWithCast() (expr, lexp, rexp expression.Expression) { + stkLen := len(er.ctxStack) + expr, lexp, rexp = er.ctxStack[stkLen-3], er.ctxStack[stkLen-2], er.ctxStack[stkLen-1] + var castFunc func(sessionctx.Context, expression.Expression) expression.Expression + switch expression.GetCmpTp4MinMax([]expression.Expression{expr, lexp, rexp}) { + case types.ETInt: + castFunc = expression.WrapWithCastAsInt + case types.ETReal: + castFunc = expression.WrapWithCastAsReal + case types.ETDecimal: + castFunc = expression.WrapWithCastAsDecimal + case types.ETString: + castFunc = func(ctx sessionctx.Context, e expression.Expression) expression.Expression { + // string kind expression do not need cast + if e.GetType().EvalType().IsStringKind() { + return e + } + return expression.WrapWithCastAsString(ctx, e) + } + case types.ETDatetime: + expr = expression.WrapWithCastAsTime(er.sctx, expr, types.NewFieldType(mysql.TypeDatetime)) + lexp = expression.WrapWithCastAsTime(er.sctx, lexp, types.NewFieldType(mysql.TypeDatetime)) + rexp = expression.WrapWithCastAsTime(er.sctx, rexp, types.NewFieldType(mysql.TypeDatetime)) + return + default: + return + } + + expr = castFunc(er.sctx, expr) + lexp = castFunc(er.sctx, lexp) + rexp = castFunc(er.sctx, rexp) + return +} + func (er *expressionRewriter) betweenToExpression(v *ast.BetweenExpr) { stkLen := len(er.ctxStack) er.err = expression.CheckArgsNotMultiColumnRow(er.ctxStack[stkLen-3:]...) @@ -1529,13 +1563,7 @@ func (er *expressionRewriter) betweenToExpression(v *ast.BetweenExpr) { return } - expr, lexp, rexp := er.ctxStack[stkLen-3], er.ctxStack[stkLen-2], er.ctxStack[stkLen-1] - - if expression.GetCmpTp4MinMax([]expression.Expression{expr, lexp, rexp}) == types.ETDatetime { - expr = expression.WrapWithCastAsTime(er.sctx, expr, types.NewFieldType(mysql.TypeDatetime)) - lexp = expression.WrapWithCastAsTime(er.sctx, lexp, types.NewFieldType(mysql.TypeDatetime)) - rexp = expression.WrapWithCastAsTime(er.sctx, rexp, types.NewFieldType(mysql.TypeDatetime)) - } + expr, lexp, rexp := er.wrapExpWithCast() var op string var l, r expression.Expression From 62fd2b735934e67580fefade0584e9eeb63f32d3 Mon Sep 17 00:00:00 2001 From: xiaodong-ji Date: Fri, 4 Dec 2020 20:29:47 +0800 Subject: [PATCH 0388/1021] execution: fix Out of range error message is not informative enough (#21343) --- executor/update.go | 2 +- executor/update_test.go | 10 ++++++++++ 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/executor/update.go b/executor/update.go index 030022fa9965c..dbbca581dc64e 100644 --- a/executor/update.go +++ b/executor/update.go @@ -249,7 +249,7 @@ func (e *UpdateExec) composeNewRow(rowIdx int, oldRow []types.Datum, cols []*tab continue } val, err := assign.Expr.Eval(e.evalBuffer.ToRow()) - if err = e.handleErr(assign.ColName, rowIdx, err); err != nil { + if err != nil { return nil, err } diff --git a/executor/update_test.go b/executor/update_test.go index 164b1f5eef45f..396bb81bd6b6e 100644 --- a/executor/update_test.go +++ b/executor/update_test.go @@ -392,3 +392,13 @@ func getPresumeExistsCount(c *C, se session.Session) int { } return presumeNotExistsCnt } + +func (s *testSuite11) TestOutOfRangeWithUnsigned(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec(`use test`) + tk.MustExec(`drop table if exists t`) + tk.MustExec(`create table t(ts int(10) unsigned NULL DEFAULT NULL)`) + tk.MustExec(`insert into t values(1)`) + _, err := tk.Exec("update t set ts = IF(ts < (0 - ts), 1,1) where ts>0") + c.Assert(err.Error(), Equals, "[types:1690]BIGINT UNSIGNED value is out of range in '(0 - test.t.ts)'") +} From 8ec67d63bbcaac5a4da540da1aaf88118c3ca15e Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Mon, 7 Dec 2020 10:57:18 +0800 Subject: [PATCH 0389/1021] executor: stabilize TestInsertIntoGivenPartitionSet (#21505) --- executor/set_test.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/executor/set_test.go b/executor/set_test.go index e68d31c9f2cd8..78d0b31fb9d5b 100644 --- a/executor/set_test.go +++ b/executor/set_test.go @@ -37,7 +37,7 @@ import ( "github.com/pingcap/tidb/util/testutil" ) -func (s *testSuite5) TestSetVar(c *C) { +func (s *testSerialSuite1) TestSetVar(c *C) { tk := testkit.NewTestKit(c, s.store) testSQL := "SET @a = 1;" tk.MustExec(testSQL) From 10ec70bc28814b805e46af6f346361af15e1720b Mon Sep 17 00:00:00 2001 From: Arenatlx Date: Mon, 7 Dec 2020 13:27:34 +0800 Subject: [PATCH 0390/1021] fix the flen in the message of column type change error (#21472) --- ddl/column_type_change_test.go | 33 +++++++++++++++++++++++++++++++++ ddl/ddl_api.go | 2 +- 2 files changed, 34 insertions(+), 1 deletion(-) diff --git a/ddl/column_type_change_test.go b/ddl/column_type_change_test.go index 146197fe383c7..2dd1d143c7fb7 100644 --- a/ddl/column_type_change_test.go +++ b/ddl/column_type_change_test.go @@ -1569,3 +1569,36 @@ func (s *testColumnTypeChangeSuite) TestRowFormat(c *C) { c.Assert(data.Info.Writes[0].ShortValue, DeepEquals, []byte{0x80, 0x0, 0x3, 0x0, 0x0, 0x0, 0x1, 0x2, 0x3, 0x1, 0x0, 0x4, 0x0, 0x7, 0x0, 0x1, 0x31, 0x32, 0x33, 0x31, 0x32, 0x33}) tk.MustExec("drop table if exists t") } + +// Close issue #17530 +func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFlenErrorMsg(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int4)") + _, err := tk.Exec("alter table t MODIFY COLUMN a tinyint(11)") + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: length 4 is less than origin 11, and tidb_enable_change_column_type is false") + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a decimal(20))") + tk.MustExec("insert into t values (12345678901234567890)") + _, err = tk.Exec("alter table t modify column a bigint") + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: type bigint(20) not match origin decimal(20,0), and tidb_enable_change_column_type is false") + + tk.MustExec("drop table if exists t") + tk.MustExec("create table a (a bigint(2))") + tk.MustExec("insert into a values(123456),(789123)") + _, err = tk.Exec("alter table a modify column a tinyint") + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: length 4 is less than origin 20, and tidb_enable_change_column_type is false") + + tk.MustExec("drop table if exists t") + tk.MustExec("CREATE TABLE t ( id int not null primary key auto_increment, token varchar(512) NOT NULL DEFAULT '', index (token))") + tk.MustExec("INSERT INTO t VALUES (NULL, 'aa')") + _, err = tk.Exec("ALTER TABLE t CHANGE COLUMN token token varchar(255) DEFAULT '' NOT NULL") + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "[ddl:8200]Unsupported modify column: length 255 is less than origin 512, and tidb_enable_change_column_type is false") +} diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 33c26bf4ffcc9..824308b733150 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -3451,7 +3451,7 @@ func needReorgToChange(origin *types.FieldType, to *types.FieldType) (needOreg b } if toFlen > 0 && toFlen < originFlen { - return true, fmt.Sprintf("length %d is less than origin %d", to.Flen, origin.Flen) + return true, fmt.Sprintf("length %d is less than origin %d", toFlen, originFlen) } if to.Decimal > 0 && to.Decimal < origin.Decimal { return true, fmt.Sprintf("decimal %d is less than origin %d", to.Decimal, origin.Decimal) From 0deb0a3426bc4ada3edc6d5d2bda10939a207a3a Mon Sep 17 00:00:00 2001 From: Zhuomin Liu Date: Mon, 7 Dec 2020 14:13:43 +0800 Subject: [PATCH 0391/1021] expression: fix compatibility behaviors in zero datetime with MySQL (#21220) --- executor/executor_test.go | 23 ++++++++++++++ expression/builtin_time.go | 47 ++++++++++++++++++++--------- expression/builtin_time_vec.go | 41 +++++++++++++++++-------- expression/builtin_time_vec_test.go | 4 +-- 4 files changed, 86 insertions(+), 29 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index 46358c7f1c3a2..245afb4ffa1ef 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -7002,6 +7002,29 @@ func (s *testSuite) TestIssue20305(c *C) { tk.MustQuery("SELECT * FROM `t3` where y <= a").Check(testkit.Rows("2155 2156")) } +func (s *testSuite) TestZeroDateTimeCompatibility(c *C) { + SQLs := []string{ + `select YEAR(0000-00-00), YEAR("0000-00-00")`, + `select MONTH(0000-00-00), MONTH("0000-00-00")`, + `select DAYOFWEEK(0000-00-00), DAYOFWEEK("0000-00-00")`, + `select DAYOFMONTH(0000-00-00), DAYOFMONTH("0000-00-00")`, + `select DAYOFYEAR(0000-00-00), DAYOFYEAR("0000-00-00")`, + `select QUARTER(0000-00-00), QUARTER("0000-00-00")`, + `select EXTRACT(DAY FROM 0000-00-00), EXTRACT(DAY FROM "0000-00-00")`, + `select EXTRACT(MONTH FROM 0000-00-00), EXTRACT(MONTH FROM "0000-00-00")`, + `select EXTRACT(YEAR FROM 0000-00-00), EXTRACT(YEAR FROM "0000-00-00")`, + `select EXTRACT(WEEK FROM 0000-00-00), EXTRACT(WEEK FROM "0000-00-00")`, + `select EXTRACT(QUARTER FROM 0000-00-00), EXTRACT(QUARTER FROM "0000-00-00")`, + } + tk := testkit.NewTestKit(c, s.store) + + for _, t := range SQLs { + fmt.Println(t) + tk.MustQuery(t).Check(testkit.Rows("0 ")) + c.Assert(tk.Se.GetSessionVars().StmtCtx.WarningCount(), Equals, uint16(1)) + } +} + func (s *testSuite) TestOOMActionPriority(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/expression/builtin_time.go b/expression/builtin_time.go index d8fe5b39710d3..ce04c001b5573 100644 --- a/expression/builtin_time.go +++ b/expression/builtin_time.go @@ -1079,7 +1079,8 @@ func (b *builtinMonthSig) evalInt(row chunk.Row) (int64, bool, error) { if date.IsZero() { if b.ctx.GetSessionVars().SQLMode.HasNoZeroDateMode() { - return 0, true, handleInvalidTimeError(b.ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, date.String())) + isNull, err = handleInvalidZeroTime(b.ctx, date) + return 0, isNull, err } return 0, false, nil } @@ -1238,7 +1239,8 @@ func (b *builtinDayOfMonthSig) evalInt(row chunk.Row) (int64, bool, error) { } if arg.IsZero() { if b.ctx.GetSessionVars().SQLMode.HasNoZeroDateMode() { - return 0, true, handleInvalidTimeError(b.ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, arg.String())) + isNull, err = handleInvalidZeroTime(b.ctx, arg) + return 0, isNull, err } return 0, false, nil } @@ -1281,7 +1283,8 @@ func (b *builtinDayOfWeekSig) evalInt(row chunk.Row) (int64, bool, error) { return 0, true, handleInvalidTimeError(b.ctx, err) } if arg.InvalidZero() { - return 0, true, handleInvalidTimeError(b.ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, arg.String())) + isNull, err = handleInvalidZeroTime(b.ctx, arg) + return 0, isNull, err } // 1 is Sunday, 2 is Monday, .... 7 is Saturday return int64(arg.Weekday() + 1), false, nil @@ -1323,7 +1326,8 @@ func (b *builtinDayOfYearSig) evalInt(row chunk.Row) (int64, bool, error) { return 0, isNull, handleInvalidTimeError(b.ctx, err) } if arg.InvalidZero() { - return 0, true, handleInvalidTimeError(b.ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, arg.String())) + isNull, err := handleInvalidZeroTime(b.ctx, arg) + return 0, isNull, err } return int64(arg.YearDay()), false, nil @@ -1557,7 +1561,8 @@ func (b *builtinYearSig) evalInt(row chunk.Row) (int64, bool, error) { if date.IsZero() { if b.ctx.GetSessionVars().SQLMode.HasNoZeroDateMode() { - return 0, true, handleInvalidTimeError(b.ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, date.String())) + isNull, err := handleInvalidZeroTime(b.ctx, date) + return 0, isNull, err } return 0, false, nil } @@ -2664,6 +2669,13 @@ func (b *builtinExtractDatetimeSig) evalInt(row chunk.Row) (int64, bool, error) if isNull || err != nil { return 0, isNull, err } + if dt.IsZero() { + if b.ctx.GetSessionVars().SQLMode.HasNoZeroDateMode() { + isNull, err := handleInvalidZeroTime(b.ctx, dt) + return 0, isNull, err + } + return 0, false, nil + } res, err := types.ExtractDatetimeNum(&dt, unit) return res, err != nil, err } @@ -6020,16 +6032,8 @@ func (b *builtinQuarterSig) evalInt(row chunk.Row) (int64, bool, error) { } if date.IsZero() { - // MySQL compatibility, #11203 - // 0 | 0.0 should be converted to 0 value (not null) - n, err := date.ToNumber().ToInt() - isOriginalIntOrDecimalZero := err == nil && n == 0 - // Args like "0000-00-00", "0000-00-00 00:00:00" set Fsp to 6 - isOriginalStringZero := date.Fsp() > 0 - if isOriginalIntOrDecimalZero && !isOriginalStringZero { - return 0, false, nil - } - return 0, true, handleInvalidTimeError(b.ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, date.String())) + isNull, err := handleInvalidZeroTime(b.ctx, date) + return 0, isNull, err } return int64((date.Month() + 2) / 3), false, nil @@ -7020,3 +7024,16 @@ func (b *builtinTidbParseTsoSig) evalTime(row chunk.Row) (types.Time, bool, erro } return result, false, nil } + +func handleInvalidZeroTime(ctx sessionctx.Context, t types.Time) (bool, error) { + // MySQL compatibility, #11203 + // 0 | 0.0 should be converted to null without warnings + n, err := t.ToNumber().ToInt() + isOriginalIntOrDecimalZero := err == nil && n == 0 + // Args like "0000-00-00", "0000-00-00 00:00:00" set Fsp to 6 + isOriginalStringZero := t.Fsp() > 0 + if isOriginalIntOrDecimalZero && !isOriginalStringZero { + return false, nil + } + return true, handleInvalidTimeError(ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, t.String())) +} diff --git a/expression/builtin_time_vec.go b/expression/builtin_time_vec.go index cf91b12b7835e..9c56d149c37e3 100644 --- a/expression/builtin_time_vec.go +++ b/expression/builtin_time_vec.go @@ -50,10 +50,11 @@ func (b *builtinMonthSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) e } if ds[i].IsZero() { if b.ctx.GetSessionVars().SQLMode.HasNoZeroDateMode() { - if err := handleInvalidTimeError(b.ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, ds[i].String())); err != nil { + isNull, err := handleInvalidZeroTime(b.ctx, ds[i]) + if err != nil { return err } - result.SetNull(i, true) + result.SetNull(i, isNull) continue } i64s[i] = 0 @@ -89,10 +90,11 @@ func (b *builtinYearSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) er } if ds[i].IsZero() { if b.ctx.GetSessionVars().SQLMode.HasNoZeroDateMode() { - if err := handleInvalidTimeError(b.ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, ds[i].String())); err != nil { + isNull, err := handleInvalidZeroTime(b.ctx, ds[i]) + if err != nil { return err } - result.SetNull(i, true) + result.SetNull(i, isNull) continue } i64s[i] = 0 @@ -235,6 +237,17 @@ func (b *builtinExtractDatetimeSig) vecEvalInt(input *chunk.Chunk, result *chunk if result.IsNull(i) { continue } + if ds[i].IsZero() { + i64s[i] = 0 + if b.ctx.GetSessionVars().SQLMode.HasNoZeroDateMode() { + isNull, err := handleInvalidZeroTime(b.ctx, ds[i]) + if err != nil { + return err + } + result.SetNull(i, isNull) + } + continue + } res, err := types.ExtractDatetimeNum(&ds[i], buf.GetString(i)) if err != nil { return err @@ -923,10 +936,11 @@ func (b *builtinQuarterSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) } date := ds[i] if date.IsZero() { - if err := handleInvalidTimeError(b.ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, date.String())); err != nil { + isNull, err := handleInvalidZeroTime(b.ctx, ds[i]) + if err != nil { return err } - result.SetNull(i, true) + result.SetNull(i, isNull) continue } i64s[i] = int64((date.Month() + 2) / 3) @@ -2068,10 +2082,11 @@ func (b *builtinDayOfYearSig) vecEvalInt(input *chunk.Chunk, result *chunk.Colum continue } if ds[i].InvalidZero() { - if err := handleInvalidTimeError(b.ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, ds[i].String())); err != nil { + isNull, err := handleInvalidZeroTime(b.ctx, ds[i]) + if err != nil { return err } - result.SetNull(i, true) + result.SetNull(i, isNull) continue } i64s[i] = int64(ds[i].YearDay()) @@ -2452,10 +2467,11 @@ func (b *builtinDayOfWeekSig) vecEvalInt(input *chunk.Chunk, result *chunk.Colum continue } if ds[i].InvalidZero() { - if err := handleInvalidTimeError(b.ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, ds[i].String())); err != nil { + isNull, err := handleInvalidZeroTime(b.ctx, ds[i]) + if err != nil { return err } - result.SetNull(i, true) + result.SetNull(i, isNull) continue } i64s[i] = int64(ds[i].Weekday() + 1) @@ -2703,10 +2719,11 @@ func (b *builtinDayOfMonthSig) vecEvalInt(input *chunk.Chunk, result *chunk.Colu } if ds[i].IsZero() { if b.ctx.GetSessionVars().SQLMode.HasNoZeroDateMode() { - if err := handleInvalidTimeError(b.ctx, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, ds[i].String())); err != nil { + isNull, err := handleInvalidZeroTime(b.ctx, ds[i]) + if err != nil { return err } - result.SetNull(i, true) + result.SetNull(i, isNull) continue } i64s[i] = 0 diff --git a/expression/builtin_time_vec_test.go b/expression/builtin_time_vec_test.go index a7b2e857fbd00..08bacb1a31517 100644 --- a/expression/builtin_time_vec_test.go +++ b/expression/builtin_time_vec_test.go @@ -616,9 +616,9 @@ func (s *testEvaluatorSuite) TestVecMonth(c *C) { f, _, _, result := genVecBuiltinFuncBenchCase(ctx, ast.Month, vecExprBenchCase{retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETDatetime}}) c.Assert(ctx.GetSessionVars().StrictSQLMode, IsTrue) c.Assert(f.vecEvalInt(input, result), IsNil) - c.Assert(len(ctx.GetSessionVars().StmtCtx.GetWarnings()), Equals, 2) + c.Assert(len(ctx.GetSessionVars().StmtCtx.GetWarnings()), Equals, 0) ctx.GetSessionVars().StmtCtx.InInsertStmt = true ctx.GetSessionVars().StmtCtx.TruncateAsWarning = false - c.Assert(f.vecEvalInt(input, result), NotNil) + c.Assert(f.vecEvalInt(input, result), IsNil) } From c7cdbe727892083cea3efec0e408e2e7e9b45017 Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Mon, 7 Dec 2020 14:30:18 +0800 Subject: [PATCH 0392/1021] executor: stabilize test TestSetVar (#21493) --- executor/analyze_test.go | 2 +- executor/executor_test.go | 5 +++++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/executor/analyze_test.go b/executor/analyze_test.go index f102c1a6747e7..604e961a695af 100644 --- a/executor/analyze_test.go +++ b/executor/analyze_test.go @@ -763,7 +763,7 @@ func (s *testSuite1) TestDefaultValForAnalyze(c *C) { "└─IndexRangeScan_5 1.00 cop[tikv] table:t, index:a(a) range:[1,1], keep order:false")) } -func (s *testSuite1) TestIssue20874(c *C) { +func (s *testSerialSuite2) TestIssue20874(c *C) { collate.SetNewCollationEnabledForTest(true) defer collate.SetNewCollationEnabledForTest(false) tk := testkit.NewTestKit(c, s.store) diff --git a/executor/executor_test.go b/executor/executor_test.go index 245afb4ffa1ef..fe848f495229b 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -103,6 +103,7 @@ var _ = Suite(&testSuite{&baseTestSuite{}}) var _ = Suite(&testSuiteP1{&baseTestSuite{}}) var _ = Suite(&testSuiteP2{&baseTestSuite{}}) var _ = Suite(&testSuite1{}) +var _ = SerialSuites(&testSerialSuite2{}) var _ = Suite(&testSuite2{&baseTestSuite{}}) var _ = Suite(&testSuite3{&baseTestSuite{}}) var _ = Suite(&testSuite4{&baseTestSuite{}}) @@ -3123,6 +3124,10 @@ type testSuite1 struct { testSuiteWithCliBase } +type testSerialSuite2 struct { + testSuiteWithCliBase +} + func (s *testSuiteWithCliBase) SetUpSuite(c *C) { cli := &checkRequestClient{} hijackClient := func(c tikv.Client) tikv.Client { From 0f9d77b07f42ac5d4fb22aeb7129751c8a9cddb9 Mon Sep 17 00:00:00 2001 From: Song Gao Date: Mon, 7 Dec 2020 15:12:58 +0800 Subject: [PATCH 0393/1021] ddl: Support adding a middle state in altering placement policies (#21356) --- ddl/ddl_worker.go | 9 ++- ddl/partition.go | 40 +++++++++----- ddl/placement_sql_test.go | 112 ++++++++++++++++++++++++++++++++++++++ go.mod | 2 +- go.sum | 5 +- infoschema/builder.go | 13 ++++- session/session.go | 29 +++++++--- 7 files changed, 180 insertions(+), 30 deletions(-) diff --git a/ddl/ddl_worker.go b/ddl/ddl_worker.go index 189c7f3c504d6..893fde715f09c 100644 --- a/ddl/ddl_worker.go +++ b/ddl/ddl_worker.go @@ -935,7 +935,14 @@ func updateSchemaVersion(t *meta.Meta, job *model.Job) (int64, error) { } } case model.ActionAlterTableAlterPartition: - diff.TableID = job.CtxVars[0].(int64) + diff.TableID = job.TableID + if len(job.CtxVars) > 0 { + diff.AffectedOpts = []*model.AffectedOption{ + { + TableID: job.CtxVars[0].(int64), + }, + } + } default: diff.TableID = job.TableID } diff --git a/ddl/partition.go b/ddl/partition.go index 6254fbb0c25ae..ec5801f5c7946 100644 --- a/ddl/partition.go +++ b/ddl/partition.go @@ -1563,10 +1563,10 @@ func truncateTableByReassignPartitionIDs(t *meta.Meta, tblInfo *model.TableInfo) return nil } -func onAlterTablePartition(t *meta.Meta, job *model.Job) (int64, error) { +func onAlterTablePartition(t *meta.Meta, job *model.Job) (ver int64, err error) { var partitionID int64 bundle := &placement.Bundle{} - err := job.DecodeArgs(&partitionID, bundle) + err = job.DecodeArgs(&partitionID, bundle) if err != nil { job.State = model.JobStateCancelled return 0, errors.Trace(err) @@ -1583,20 +1583,30 @@ func onAlterTablePartition(t *meta.Meta, job *model.Job) (int64, error) { return 0, errors.Trace(table.ErrUnknownPartition.GenWithStackByArgs("drop?", tblInfo.Name.O)) } - err = infosync.PutRuleBundles(nil, []*placement.Bundle{bundle}) - if err != nil { - job.State = model.JobStateCancelled - return 0, errors.Wrapf(err, "failed to notify PD the placement rules") - } - - // used by ApplyDiff in updateSchemaVersion - job.CtxVars = []interface{}{partitionID} - ver, err := updateSchemaVersion(t, job) - if err != nil { - return ver, errors.Trace(err) + pstate := ptInfo.GetStateByID(partitionID) + switch pstate { + case model.StatePublic: + ptInfo.SetStateByID(partitionID, model.StateGlobalTxnOnly) + ver, err = updateVersionAndTableInfo(t, job, tblInfo, true) + if err != nil { + return ver, errors.Trace(err) + } + job.SchemaState = model.StateGlobalTxnOnly + case model.StateGlobalTxnOnly: + err = infosync.PutRuleBundles(nil, []*placement.Bundle{bundle}) + if err != nil { + job.State = model.JobStateCancelled + return 0, errors.Wrapf(err, "failed to notify PD the placement rules") + } + ptInfo.SetStateByID(partitionID, model.StatePublic) + // used by ApplyDiff in updateSchemaVersion + job.CtxVars = []interface{}{partitionID} + ver, err = updateVersionAndTableInfo(t, job, tblInfo, true) + if err != nil { + return ver, errors.Trace(err) + } + job.FinishTableJob(model.JobStateDone, model.StatePublic, ver, tblInfo) } - - job.FinishTableJob(model.JobStateDone, model.StatePublic, ver, tblInfo) return ver, nil } diff --git a/ddl/placement_sql_test.go b/ddl/placement_sql_test.go index 0ce57d8563fad..cc2e4bb89c870 100644 --- a/ddl/placement_sql_test.go +++ b/ddl/placement_sql_test.go @@ -21,6 +21,7 @@ import ( "github.com/pingcap/tidb/ddl" "github.com/pingcap/tidb/ddl/placement" "github.com/pingcap/tidb/session" + "github.com/pingcap/tidb/table/tables" "github.com/pingcap/tidb/util/testkit" ) @@ -523,3 +524,114 @@ add placement policy _, err = tk.Exec("commit") c.Assert(err, IsNil) } + +func (s *testDBSuite1) TestGlobalTxnState(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + + tk.MustExec(`create table t1 (c int) +PARTITION BY RANGE (c) ( + PARTITION p0 VALUES LESS THAN (6), + PARTITION p1 VALUES LESS THAN (11) +);`) + + bundles := make(map[string]*placement.Bundle) + is := s.dom.InfoSchema() + is.MockBundles(bundles) + + tb, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t1")) + c.Assert(err, IsNil) + pid, err := tables.FindPartitionByName(tb.Meta(), "p0") + c.Assert(err, IsNil) + groupID := placement.GroupID(pid) + bundles[groupID] = &placement.Bundle{ + ID: groupID, + Rules: []*placement.Rule{ + { + GroupID: groupID, + Role: placement.Leader, + Count: 1, + LabelConstraints: []placement.LabelConstraint{ + { + Key: placement.DCLabelKey, + Op: placement.In, + Values: []string{"bj"}, + }, + }, + }, + }, + } + dbInfo := testGetSchemaByName(c, tk.Se, "test") + tk2 := testkit.NewTestKit(c, s.store) + var chkErr error + done := false + testcases := []struct { + name string + hook *ddl.TestDDLCallback + expectErr error + }{ + { + name: "write partition p0 during StateGlobalTxnOnly", + hook: func() *ddl.TestDDLCallback { + hook := &ddl.TestDDLCallback{} + hook.OnJobUpdatedExported = func(job *model.Job) { + if job.Type == model.ActionAlterTableAlterPartition && job.State == model.JobStateRunning && + job.SchemaState == model.StateGlobalTxnOnly && job.SchemaID == dbInfo.ID && done == false { + done = true + tk2.MustExec("use test") + tk2.MustExec("set @@txn_scope=bj") + _, chkErr = tk2.Exec("insert into t1 (c) values (1);") + } + } + return hook + }(), + expectErr: fmt.Errorf(".*can not be written by local transactions when its placement policy is being altered.*"), + }, + // FIXME: support abort read txn during StateGlobalTxnOnly + //{ + // name: "read partition p0 during middle state", + // hook: func() *ddl.TestDDLCallback { + // hook := &ddl.TestDDLCallback{} + // hook.OnJobUpdatedExported = func(job *model.Job) { + // if job.Type == model.ActionAlterTableAlterPartition && job.State == model.JobStateRunning && + // job.SchemaState == model.StateGlobalTxnOnly && job.SchemaID == dbInfo.ID && done == false { + // done = true + // tk2.MustExec("use test") + // tk2.MustExec("set @@txn_scope=bj") + // tk2.MustExec("begin;") + // tk2.MustExec("select * from t1 where c < 6;") + // _, chkErr = tk2.Exec("commit") + // } + // } + // return hook + // }(), + // expectErr: fmt.Errorf(".*can not be written by local transactions when its placement policy is being altered.*"), + //}, + } + originalHook := s.dom.DDL().GetHook() + testFunc := func(name string, hook *ddl.TestDDLCallback, expectErr error) { + c.Log(name) + done = false + s.dom.DDL().(ddl.DDLForTest).SetHook(hook) + defer func() { + s.dom.DDL().(ddl.DDLForTest).SetHook(originalHook) + }() + _, err = tk.Exec(`alter table t1 alter partition p0 +alter placement policy + constraints='["+zone=bj"]' + role=leader + replicas=1`) + c.Assert(err, IsNil) + c.Assert(done, Equals, true) + if expectErr != nil { + c.Assert(chkErr, NotNil) + c.Assert(chkErr.Error(), Matches, expectErr.Error()) + } else { + c.Assert(chkErr, IsNil) + } + } + + for _, testcase := range testcases { + testFunc(testcase.name, testcase.hook, testcase.expectErr) + } +} diff --git a/go.mod b/go.mod index 22b182f8b1d66..62417ba2f098f 100644 --- a/go.mod +++ b/go.mod @@ -47,7 +47,7 @@ require ( github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20201130052818-5dfa7b1325a3 github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 - github.com/pingcap/parser v0.0.0-20201201081851-e13818a9916a + github.com/pingcap/parser v0.0.0-20201203085211-44f6be1df1c4 github.com/pingcap/sysutil v0.0.0-20201130064824-f0c8aa6a6966 github.com/pingcap/tidb-lightning v4.0.9-0.20201106041742-a1ac97827a27+incompatible github.com/pingcap/tidb-tools v4.0.9-0.20201127090955-2707c97b3853+incompatible diff --git a/go.sum b/go.sum index 29705605bdc35..05682a3bf69c0 100644 --- a/go.sum +++ b/go.sum @@ -691,8 +691,8 @@ github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 h1:M+DNpOu/I3uDmwee6vc github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/parser v0.0.0-20190506092653-e336082eb825/go.mod h1:1FNvfp9+J0wvc4kl8eGNh7Rqrxveg15jJoWo/a0uHwA= github.com/pingcap/parser v0.0.0-20200422082501-7329d80eaf2c/go.mod h1:9v0Edh8IbgjGYW2ArJr19E+bvL8zKahsFp+ixWeId+4= -github.com/pingcap/parser v0.0.0-20201201081851-e13818a9916a h1:1ew23DwaNc1rJb85q3W5IpeQDQp3X+Fojv0qBo18oLk= -github.com/pingcap/parser v0.0.0-20201201081851-e13818a9916a/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= +github.com/pingcap/parser v0.0.0-20201203085211-44f6be1df1c4 h1:D1JuGq6UWQbqknDa6VI/6S9+i9PTrGmGe0qBChqHE7k= +github.com/pingcap/parser v0.0.0-20201203085211-44f6be1df1c4/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= github.com/pingcap/pd v2.1.5+incompatible/go.mod h1:nD3+EoYes4+aNNODO99ES59V83MZSI+dFbhyr667a0E= github.com/pingcap/pd/v4 v4.0.0-rc.1.0.20200422143320-428acd53eba2/go.mod h1:s+utZtXDznOiL24VK0qGmtoHjjXNsscJx3m1n8cC56s= github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= @@ -781,7 +781,6 @@ github.com/satori/go.uuid v1.2.1-0.20181028125025-b2ce2384e17b/go.mod h1:dA0hQrY github.com/segmentio/kafka-go v0.1.0/go.mod h1:X6itGqS9L4jDletMsxZ7Dz+JFWxM6JHfPOCvTvk+EJo= github.com/segmentio/kafka-go v0.2.0/go.mod h1:X6itGqS9L4jDletMsxZ7Dz+JFWxM6JHfPOCvTvk+EJo= github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= -github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44 h1:tB9NOR21++IjLyVx3/PCPhWMwqGNCMQEH96A6dMZ/gc= github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= github.com/shirou/gopsutil v2.19.10+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA= github.com/shirou/gopsutil v2.20.3+incompatible h1:0JVooMPsT7A7HqEYdydp/OfjSOYSjhXV7w1hkKj/NPQ= diff --git a/infoschema/builder.go b/infoschema/builder.go index a859c2c824406..288fcae2f288e 100644 --- a/infoschema/builder.go +++ b/infoschema/builder.go @@ -50,9 +50,6 @@ func (b *Builder) ApplyDiff(m *meta.Meta, diff *model.SchemaDiff) ([]int64, erro return tblIDs, nil case model.ActionModifySchemaCharsetAndCollate: return nil, b.applyModifySchemaCharsetAndCollate(m, diff) - case model.ActionAlterTableAlterPartition: - // TODO: enhancement: If the leader Placement Policy isn't updated, maybe we can omit the diff. - return []int64{diff.TableID}, b.applyPlacementUpdate(placement.GroupID(diff.TableID)) } roDBInfo, ok := b.is.SchemaByID(diff.SchemaID) if !ok { @@ -140,6 +137,10 @@ func (b *Builder) ApplyDiff(m *meta.Meta, diff *model.SchemaDiff) ([]int64, erro // While session 1 performs the DML operation associated with partition 1, // the TRUNCATE operation of session 2 on partition 2 does not cause the operation of session 1 to fail. switch diff.Type { + case model.ActionAlterTableAlterPartition: + partitionID := opt.TableID + // TODO: enhancement: If the leader Placement Policy isn't updated, maybe we can omit the diff. + return []int64{partitionID}, b.applyPlacementUpdate(placement.GroupID(partitionID)) case model.ActionTruncateTablePartition: tblIDs = append(tblIDs, opt.OldTableID) b.applyPlacementDelete(placement.GroupID(opt.OldTableID)) @@ -180,6 +181,12 @@ func (b *Builder) ApplyDiff(m *meta.Meta, diff *model.SchemaDiff) ([]int64, erro } tblIDs = append(tblIDs, affectedIDs...) } + } else { + switch diff.Type { + case model.ActionAlterTableAlterPartition: + // If there is no AffectedOpts, It means the job is in Public -> GlobalTxnState phase + return []int64{}, nil + } } return tblIDs, nil } diff --git a/session/session.go b/session/session.go index 046610eee4adb..bafb8a15c39ad 100644 --- a/session/session.go +++ b/session/session.go @@ -427,6 +427,10 @@ func (s *session) doCommit(ctx context.Context) error { if s.txn.IsReadOnly() { return nil } + err := s.checkPlacementPolicyBeforeCommit() + if err != nil { + return err + } // mockCommitError and mockGetTSErrorInRetry use to test PR #8743. failpoint.Inject("mockCommitError", func(val failpoint.Value) { @@ -485,10 +489,6 @@ func (s *session) doCommitWithRetry(ctx context.Context) error { return nil } var err error - err = s.checkPlacementPolicyBeforeCommit() - if err != nil { - return err - } txnSize := s.txn.Size() isPessimistic := s.txn.IsPessimistic() if span := opentracing.SpanFromContext(ctx); span != nil && span.Tracer() != nil { @@ -2511,11 +2511,12 @@ func (s *session) checkPlacementPolicyBeforeCommit() error { // Get the txnScope of the transaction we're going to commit. txnScope := s.txn.GetUnionStore().GetOption(kv.TxnScope) if txnScope == "" { - txnScope = config.DefTxnScope + txnScope = oracle.GlobalTxnScope } - if txnScope != config.DefTxnScope { + if txnScope != oracle.GlobalTxnScope { is := infoschema.GetInfoSchema(s) - for physicalTableID := range s.GetSessionVars().TxnCtx.TableDeltaMap { + deltaMap := s.GetSessionVars().TxnCtx.TableDeltaMap + for physicalTableID := range deltaMap { bundle, ok := is.BundleByName(placement.GroupID(physicalTableID)) if !ok { err = ddl.ErrInvalidPlacementPolicyCheck.GenWithStackByArgs( @@ -2534,6 +2535,20 @@ func (s *session) checkPlacementPolicyBeforeCommit() error { fmt.Sprintf("table or partition %v's leader location %v is out of txn_scope %v", physicalTableID, dcLocation, txnScope)) break } + // FIXME: currently we assume the physicalTableID is the partition ID. In future, we should consider the situation + // if the physicalTableID belongs to a Table. + partitionID := physicalTableID + tbl, _, partitionDefInfo := is.FindTableByPartitionID(partitionID) + if tbl != nil { + tblInfo := tbl.Meta() + state := tblInfo.Partition.GetStateByID(partitionID) + if state == model.StateGlobalTxnOnly { + err = ddl.ErrInvalidPlacementPolicyCheck.GenWithStackByArgs( + fmt.Sprintf("Partition %s of table %s can not be written by local transactions when its placement policy is being altered", + tblInfo.Name, partitionDefInfo.Name)) + break + } + } } } return err From b28f8adfede248373b72478584651976a3c6443f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=99=8E?= Date: Mon, 7 Dec 2020 16:38:21 +0800 Subject: [PATCH 0394/1021] expression: set flen to -1 when cast float to string (#21409) --- executor/executor_test.go | 11 +++++++++++ expression/builtin_cast.go | 4 ++++ expression/typeinfer_test.go | 12 ++++++------ 3 files changed, 21 insertions(+), 6 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index fe848f495229b..bbc9695d934ff 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -7061,3 +7061,14 @@ func (s *testSuite) TestOOMActionPriority(c *C) { } c.Assert(action.GetPriority(), Equals, int64(memory.DefLogPriority)) } + +func (s *testSuite) Test17780(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t0") + tk.MustExec("create table t0 (c0 double)") + tk.MustExec("insert into t0 values (1e30)") + tk.MustExec("update t0 set c0=0 where t0.c0 like 0") + // the update should not affect c0 + tk.MustQuery("select count(*) from t0 where c0 = 0").Check(testkit.Rows("0")) +} diff --git a/expression/builtin_cast.go b/expression/builtin_cast.go index 63379b7dc2822..ee9e7ae2b32e0 100644 --- a/expression/builtin_cast.go +++ b/expression/builtin_cast.go @@ -1871,6 +1871,10 @@ func WrapWithCastAsString(ctx sessionctx.Context, expr Expression) Expression { if exprTp.EvalType() == types.ETInt { argLen = mysql.MaxIntWidth } + // because we can't control the length of cast(float as char) for now, we can't determine the argLen + if exprTp.Tp == mysql.TypeFloat || exprTp.Tp == mysql.TypeDouble { + argLen = -1 + } tp := types.NewFieldType(mysql.TypeVarString) tp.Charset, tp.Collate = expr.CharsetAndCollation(ctx) tp.Flen, tp.Decimal = argLen, types.UnspecifiedLength diff --git a/expression/typeinfer_test.go b/expression/typeinfer_test.go index ad6ed348ca37c..280366e91a11f 100644 --- a/expression/typeinfer_test.go +++ b/expression/typeinfer_test.go @@ -279,8 +279,8 @@ func (s *testInferTypeSuite) createTestCase4StrFuncs() []typeInferTestCase { {"elt(c_int_d, c_char, c_char, c_char)", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 20, types.UnspecifiedLength}, {"elt(c_int_d, c_char, c_char, c_binary)", mysql.TypeVarString, charset.CharsetBin, mysql.BinaryFlag, 20, types.UnspecifiedLength}, {"elt(c_int_d, c_char, c_int_d)", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 20, types.UnspecifiedLength}, - {"elt(c_int_d, c_char, c_double_d, c_int_d)", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 22, types.UnspecifiedLength}, - {"elt(c_int_d, c_char, c_double_d, c_int_d, c_binary)", mysql.TypeVarString, charset.CharsetBin, mysql.BinaryFlag, 22, types.UnspecifiedLength}, + {"elt(c_int_d, c_char, c_double_d, c_int_d)", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 20, types.UnspecifiedLength}, + {"elt(c_int_d, c_char, c_double_d, c_int_d, c_binary)", mysql.TypeVarString, charset.CharsetBin, mysql.BinaryFlag, 20, types.UnspecifiedLength}, {"locate(c_char, c_char)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxIntWidth, 0}, {"locate(c_binary, c_binary)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxIntWidth, 0}, @@ -405,8 +405,8 @@ func (s *testInferTypeSuite) createTestCase4StrFuncs() []typeInferTestCase { {"reverse(c_int_d )", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 20, types.UnspecifiedLength}, {"reverse(c_bigint_d )", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 20, types.UnspecifiedLength}, - {"reverse(c_float_d )", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 12, types.UnspecifiedLength}, - {"reverse(c_double_d )", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 22, types.UnspecifiedLength}, + {"reverse(c_float_d )", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, -1, types.UnspecifiedLength}, + {"reverse(c_double_d )", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, -1, types.UnspecifiedLength}, {"reverse(c_decimal )", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 8, types.UnspecifiedLength}, {"reverse(c_char )", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 20, types.UnspecifiedLength}, {"reverse(c_varchar )", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 20, types.UnspecifiedLength}, @@ -456,8 +456,8 @@ func (s *testInferTypeSuite) createTestCase4StrFuncs() []typeInferTestCase { {"quote(c_int_d )", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 42, types.UnspecifiedLength}, {"quote(c_bigint_d )", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 42, types.UnspecifiedLength}, - {"quote(c_float_d )", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 26, types.UnspecifiedLength}, - {"quote(c_double_d )", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 46, types.UnspecifiedLength}, + {"quote(c_float_d )", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 0, types.UnspecifiedLength}, + {"quote(c_double_d )", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 0, types.UnspecifiedLength}, {"convert(c_double_d using utf8mb4)", mysql.TypeLongBlob, charset.CharsetUTF8MB4, 0, mysql.MaxBlobWidth, types.UnspecifiedLength}, {"convert(c_binary using utf8mb4)", mysql.TypeLongBlob, charset.CharsetUTF8MB4, 0, mysql.MaxBlobWidth, types.UnspecifiedLength}, From c3c3063b66dc847673a842ef43a6cad2201d6f6d Mon Sep 17 00:00:00 2001 From: dongyan <34701401+dyzsr@users.noreply.github.com> Date: Mon, 7 Dec 2020 17:22:48 +0800 Subject: [PATCH 0395/1021] expression: set IsBooleanFlag for boolean scalar functions (#20706) --- expression/builtin.go | 3 + expression/expr_to_pb_test.go | 28 ++-- expression/function_traits.go | 26 ++++ expression/integration_test.go | 37 +++++ expression/scalar_function.go | 6 +- expression/typeinfer_test.go | 262 ++++++++++++++++----------------- 6 files changed, 214 insertions(+), 148 deletions(-) diff --git a/expression/builtin.go b/expression/builtin.go index d632af718269c..c64ef75b759ab 100644 --- a/expression/builtin.go +++ b/expression/builtin.go @@ -241,6 +241,9 @@ func newBaseBuiltinFuncWithTp(ctx sessionctx.Context, funcName string, args []Ex if mysql.HasBinaryFlag(fieldType.Flag) && fieldType.Tp != mysql.TypeJSON { fieldType.Charset, fieldType.Collate = charset.CharsetBin, charset.CollationBin } + if _, ok := booleanFunctions[funcName]; ok { + fieldType.Flag |= mysql.IsBooleanFlag + } bf = baseBuiltinFunc{ bufAllocator: newLocalSliceBuffer(len(args)), childrenVectorizedOnce: new(sync.Once), diff --git a/expression/expr_to_pb_test.go b/expression/expr_to_pb_test.go index 5ae93fe87359c..58725db674a72 100644 --- a/expression/expr_to_pb_test.go +++ b/expression/expr_to_pb_test.go @@ -248,13 +248,13 @@ func (s *testEvaluatorSuite) TestCompareFunc2Pb(c *C) { c.Assert(err, IsNil) c.Assert(len(pbExprs), Equals, len(compareExprs)) jsons := []string{ - "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":100,\"field_type\":{\"tp\":8,\"flag\":128,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", - "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":110,\"field_type\":{\"tp\":8,\"flag\":128,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", - "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":120,\"field_type\":{\"tp\":8,\"flag\":128,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", - "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":130,\"field_type\":{\"tp\":8,\"flag\":128,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", - "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":140,\"field_type\":{\"tp\":8,\"flag\":128,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", - "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":150,\"field_type\":{\"tp\":8,\"flag\":128,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", - "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":160,\"field_type\":{\"tp\":8,\"flag\":128,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", + "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":100,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", + "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":110,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", + "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":120,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", + "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":130,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", + "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":140,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", + "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":150,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", + "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":8,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":160,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", } for i, pbExpr := range pbExprs { c.Assert(pbExprs, NotNil) @@ -291,8 +291,8 @@ func (s *testEvaluatorSuite) TestLikeFunc2Pb(c *C) { pbExprs, err := ExpressionsToPBList(sc, likeFuncs, client) c.Assert(err, IsNil) results := []string{ - `{"tp":10000,"children":[{"tp":5,"val":"c3RyaW5n","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":83,"charset":"utf8"}},{"tp":5,"val":"cGF0dGVybg==","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":83,"charset":"utf8"}},{"tp":10000,"val":"CAA=","children":[{"tp":5,"val":"XA==","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":83,"charset":"utf8"}}],"sig":30,"field_type":{"tp":8,"flag":128,"flen":-1,"decimal":0,"collate":63,"charset":"binary"}}],"sig":4310,"field_type":{"tp":8,"flag":128,"flen":1,"decimal":0,"collate":63,"charset":"binary"}}`, - `{"tp":10000,"children":[{"tp":5,"val":"c3RyaW5n","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":83,"charset":"utf8"}},{"tp":5,"val":"JWFiYyU=","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":83,"charset":"utf8"}},{"tp":10000,"val":"CAA=","children":[{"tp":5,"val":"XA==","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":83,"charset":"utf8"}}],"sig":30,"field_type":{"tp":8,"flag":128,"flen":-1,"decimal":0,"collate":63,"charset":"binary"}}],"sig":4310,"field_type":{"tp":8,"flag":128,"flen":1,"decimal":0,"collate":63,"charset":"binary"}}`, + `{"tp":10000,"children":[{"tp":5,"val":"c3RyaW5n","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":83,"charset":"utf8"}},{"tp":5,"val":"cGF0dGVybg==","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":83,"charset":"utf8"}},{"tp":10000,"val":"CAA=","children":[{"tp":5,"val":"XA==","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":83,"charset":"utf8"}}],"sig":30,"field_type":{"tp":8,"flag":128,"flen":-1,"decimal":0,"collate":63,"charset":"binary"}}],"sig":4310,"field_type":{"tp":8,"flag":524416,"flen":1,"decimal":0,"collate":63,"charset":"binary"}}`, + `{"tp":10000,"children":[{"tp":5,"val":"c3RyaW5n","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":83,"charset":"utf8"}},{"tp":5,"val":"JWFiYyU=","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":83,"charset":"utf8"}},{"tp":10000,"val":"CAA=","children":[{"tp":5,"val":"XA==","sig":0,"field_type":{"tp":254,"flag":1,"flen":-1,"decimal":-1,"collate":83,"charset":"utf8"}}],"sig":30,"field_type":{"tp":8,"flag":128,"flen":-1,"decimal":0,"collate":63,"charset":"binary"}}],"sig":4310,"field_type":{"tp":8,"flag":524416,"flen":1,"decimal":0,"collate":63,"charset":"binary"}}`, } for i, pbExpr := range pbExprs { js, err := json.Marshal(pbExpr) @@ -393,10 +393,10 @@ func (s *testEvaluatorSuite) TestLogicalFunc2Pb(c *C) { pbExprs, err := ExpressionsToPBList(sc, logicalFuncs, client) c.Assert(err, IsNil) jsons := []string{ - "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":3101,\"field_type\":{\"tp\":8,\"flag\":128,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", - "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":3102,\"field_type\":{\"tp\":8,\"flag\":128,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", - "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":3103,\"field_type\":{\"tp\":8,\"flag\":128,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", - "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":3104,\"field_type\":{\"tp\":8,\"flag\":128,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", + "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":3101,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", + "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":3102,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", + "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}},{\"tp\":201,\"val\":\"gAAAAAAAAAI=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":3103,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", + "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":1,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":3104,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", } for i, pbExpr := range pbExprs { js, err := json.Marshal(pbExpr) @@ -591,7 +591,7 @@ func (s *testEvaluatorSuite) TestOtherFunc2Pb(c *C) { c.Assert(err, IsNil) jsons := map[string]string{ ast.Coalesce: "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":4201,\"field_type\":{\"tp\":3,\"flag\":128,\"flen\":0,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}", - ast.IsNull: "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":3116,\"field_type\":{\"tp\":8,\"flag\":128,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", + ast.IsNull: "{\"tp\":10000,\"children\":[{\"tp\":201,\"val\":\"gAAAAAAAAAE=\",\"sig\":0,\"field_type\":{\"tp\":3,\"flag\":0,\"flen\":-1,\"decimal\":-1,\"collate\":63,\"charset\":\"\"}}],\"sig\":3116,\"field_type\":{\"tp\":8,\"flag\":524416,\"flen\":1,\"decimal\":0,\"collate\":63,\"charset\":\"binary\"}}", } for i, pbExpr := range pbExprs { js, err := json.Marshal(pbExpr) diff --git a/expression/function_traits.go b/expression/function_traits.go index 8ba1ea7d0b91e..d0d9d62910be1 100644 --- a/expression/function_traits.go +++ b/expression/function_traits.go @@ -186,3 +186,29 @@ var noopFuncs = map[string]struct{}{ ast.GetLock: {}, ast.ReleaseLock: {}, } + +// booleanFunctions stores boolean functions +var booleanFunctions = map[string]struct{}{ + ast.UnaryNot: {}, + ast.EQ: {}, + ast.NE: {}, + ast.NullEQ: {}, + ast.LT: {}, + ast.LE: {}, + ast.GT: {}, + ast.GE: {}, + ast.In: {}, + ast.LogicAnd: {}, + ast.LogicOr: {}, + ast.LogicXor: {}, + ast.IsTruthWithNull: {}, + ast.IsTruthWithoutNull: {}, + ast.IsFalsity: {}, + ast.IsNull: {}, + ast.Like: {}, + ast.Regexp: {}, + ast.IsIPv4: {}, + ast.IsIPv4Compat: {}, + ast.IsIPv4Mapped: {}, + ast.IsIPv6: {}, +} diff --git a/expression/integration_test.go b/expression/integration_test.go index 4530367f1dba8..ebfd913c292c9 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7775,6 +7775,43 @@ func (s *testIntegrationSerialSuite) TestIssue20608(c *C) { tk.MustQuery("select '䇇Հ' collate utf8mb4_bin like '___Հ';").Check(testkit.Rows("0")) } +func (s *testIntegrationSuite) TestIssue10462(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustQuery("select json_array(true)").Check(testkit.Rows("[true]")) + tk.MustQuery("select json_array(1=2)").Check(testkit.Rows("[false]")) + tk.MustQuery("select json_array(1!=2)").Check(testkit.Rows("[true]")) + tk.MustQuery("select json_array(1<2)").Check(testkit.Rows("[true]")) + tk.MustQuery("select json_array(1<=2)").Check(testkit.Rows("[true]")) + tk.MustQuery("select json_array(1>2)").Check(testkit.Rows("[false]")) + tk.MustQuery("select json_array(1>=2)").Check(testkit.Rows("[false]")) + tk.MustQuery("select json_object(true, null <=> null)").Check(testkit.Rows("{\"1\": true}")) + tk.MustQuery("select json_object(false, 1 and 2)").Check(testkit.Rows("{\"0\": true}")) + tk.MustQuery("select json_object(false, 1 and 0)").Check(testkit.Rows("{\"0\": false}")) + tk.MustQuery("select json_object(false, 1 or 0)").Check(testkit.Rows("{\"0\": true}")) + tk.MustQuery("select json_object(false, 1 xor 0)").Check(testkit.Rows("{\"0\": true}")) + tk.MustQuery("select json_object(false, 1 xor 1)").Check(testkit.Rows("{\"0\": false}")) + tk.MustQuery("select json_object(false, not 1)").Check(testkit.Rows("{\"0\": false}")) + tk.MustQuery("select json_array(null and 1)").Check(testkit.Rows("[null]")) + tk.MustQuery("select json_array(null and 0)").Check(testkit.Rows("[false]")) + tk.MustQuery("select json_array(null or 1)").Check(testkit.Rows("[true]")) + tk.MustQuery("select json_array(null or 0)").Check(testkit.Rows("[null]")) + tk.MustQuery("select json_array(1.15 or 0)").Check(testkit.Rows("[true]")) + tk.MustQuery("select json_array('abc' or 0)").Check(testkit.Rows("[false]")) + tk.MustQuery("select json_array('1abc' or 0)").Check(testkit.Rows("[true]")) + tk.MustQuery("select json_array(null is true)").Check(testkit.Rows("[false]")) + tk.MustQuery("select json_array(null is null)").Check(testkit.Rows("[true]")) + tk.MustQuery("select json_array(1 in (1, 2))").Check(testkit.Rows("[true]")) + tk.MustQuery("select json_array(0 in (1, 2))").Check(testkit.Rows("[false]")) + tk.MustQuery("select json_array(0 not in (1, 2))").Check(testkit.Rows("[true]")) + tk.MustQuery("select json_array(1 between 0 and 2)").Check(testkit.Rows("[true]")) + tk.MustQuery("select json_array(1 not between 0 and 2)").Check(testkit.Rows("[false]")) + tk.MustQuery("select json_array('123' like '123')").Check(testkit.Rows("[true]")) + tk.MustQuery("select json_array('abcdef' rlike 'a.*c.*')").Check(testkit.Rows("[true]")) + tk.MustQuery("select json_array(is_ipv4('127.0.0.1'))").Check(testkit.Rows("[true]")) + tk.MustQuery("select json_array(is_ipv6('1a6b:8888:ff66:77ee:0000:1234:5678:bcde'))").Check(testkit.Rows("[true]")) +} + func (s *testIntegrationSerialSuite) TestIssue21290(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/expression/scalar_function.go b/expression/scalar_function.go index 9283e1123c858..be788d17f130d 100644 --- a/expression/scalar_function.go +++ b/expression/scalar_function.go @@ -153,10 +153,10 @@ func typeInferForNull(args []Expression) { // Infer the actual field type of the NULL constant. var retFieldTp *types.FieldType var hasNullArg bool - for _, arg := range args { - isNullArg := isNull(arg) + for i := len(args) - 1; i >= 0; i-- { + isNullArg := isNull(args[i]) if !isNullArg && retFieldTp == nil { - retFieldTp = arg.GetType() + retFieldTp = args[i].GetType() } hasNullArg = hasNullArg || isNullArg // Break if there are both NULL and non-NULL expression diff --git a/expression/typeinfer_test.go b/expression/typeinfer_test.go index 280366e91a11f..2d366c00c2320 100644 --- a/expression/typeinfer_test.go +++ b/expression/typeinfer_test.go @@ -272,7 +272,7 @@ func (s *testInferTypeSuite) createTestCase4StrFuncs() []typeInferTestCase { {"trim(c_binary)", mysql.TypeVarString, charset.CharsetBin, mysql.BinaryFlag, 20, types.UnspecifiedLength}, {"ascii(c_char)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 3, 0}, {"ord(c_char)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 10, 0}, - {`c_int_d like 'abc%'`, mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, + {`c_int_d like 'abc%'`, mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, {"tidb_version()", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, len(printer.GetTiDBInfo()), types.UnspecifiedLength}, {"tidb_is_ddl_owner()", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxIntWidth, 0}, {"password(c_char)", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, mysql.PWDHashLen + 1, types.UnspecifiedLength}, @@ -495,7 +495,7 @@ func (s *testInferTypeSuite) createTestCase4MathFuncs() []typeInferTestCase { {"exp(c_binary)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, types.UnspecifiedLength}, {"pi()", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, 8, 6}, {"~c_int_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.UnsignedFlag, mysql.MaxIntWidth, 0}, - {"!c_int_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, + {"!c_int_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, {"c_int_d & c_int_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.UnsignedFlag, mysql.MaxIntWidth, 0}, {"c_int_d | c_int_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.UnsignedFlag, mysql.MaxIntWidth, 0}, {"c_int_d ^ c_int_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.UnsignedFlag, mysql.MaxIntWidth, 0}, @@ -782,11 +782,11 @@ func (s *testInferTypeSuite) createTestCase4ArithmeticFuncs() []typeInferTestCas func (s *testInferTypeSuite) createTestCase4LogicalFuncs() []typeInferTestCase { return []typeInferTestCase{ - {"c_int_d and c_int_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_int_d xor c_int_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, + {"c_int_d and c_int_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_int_d xor c_int_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, - {"c_int_d && c_int_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_int_d || c_int_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, + {"c_int_d && c_int_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_int_d || c_int_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, } } @@ -995,37 +995,37 @@ func (s *testInferTypeSuite) createTestCase4CompareFuncs() []typeInferTestCase { {"coalesce(c_int_d, c_decimal)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 15, 3}, {"coalesce(c_int_d, c_datetime)", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 22, types.UnspecifiedLength}, - {"isnull(c_int_d )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"isnull(c_bigint_d )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"isnull(c_float_d )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"isnull(c_double_d )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"isnull(c_decimal )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"isnull(c_datetime )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"isnull(c_time_d )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"isnull(c_timestamp_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"isnull(c_char )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"isnull(c_varchar )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"isnull(c_text_d )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"isnull(c_binary )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"isnull(c_varbinary )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"isnull(c_blob_d )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"isnull(c_set )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"isnull(c_enum )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - - {"nullif(c_int_d , 123)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 11, 0}, + {"isnull(c_int_d )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"isnull(c_bigint_d )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"isnull(c_float_d )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"isnull(c_double_d )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"isnull(c_decimal )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"isnull(c_datetime )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"isnull(c_time_d )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"isnull(c_timestamp_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"isnull(c_char )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"isnull(c_varchar )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"isnull(c_text_d )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"isnull(c_binary )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"isnull(c_varbinary )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"isnull(c_blob_d )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"isnull(c_set )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"isnull(c_enum )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + + {"nullif(c_int_d , 123)", mysql.TypeLong, charset.CharsetBin, mysql.BinaryFlag, 11, 0}, {"nullif(c_bigint_d , 123)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 20, 0}, - {"nullif(c_float_d , 123)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, 12, types.UnspecifiedLength}, + {"nullif(c_float_d , 123)", mysql.TypeFloat, charset.CharsetBin, mysql.BinaryFlag, 12, types.UnspecifiedLength}, {"nullif(c_double_d , 123)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, 22, types.UnspecifiedLength}, {"nullif(c_decimal , 123)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 6, 3}, - {"nullif(c_datetime , 123)", mysql.TypeVarchar, charset.CharsetUTF8MB4, 0, 22, types.UnspecifiedLength}, - {"nullif(c_time_d , 123)", mysql.TypeVarchar, charset.CharsetUTF8MB4, 0, 10, types.UnspecifiedLength}, - {"nullif(c_timestamp_d, 123)", mysql.TypeVarchar, charset.CharsetUTF8MB4, 0, 19, types.UnspecifiedLength}, - {"nullif(c_char , 123)", mysql.TypeString, charset.CharsetUTF8MB4, mysql.BinaryFlag, 20, types.UnspecifiedLength}, - {"nullif(c_varchar , 123)", mysql.TypeVarchar, charset.CharsetUTF8MB4, mysql.BinaryFlag, 20, types.UnspecifiedLength}, // TODO: tp should be TypeVarString - {"nullif(c_text_d , 123)", mysql.TypeBlob, charset.CharsetUTF8MB4, mysql.BinaryFlag, 65535, types.UnspecifiedLength}, // TODO: tp should be TypeMediumBlob - {"nullif(c_binary , 123)", mysql.TypeString, charset.CharsetBin, mysql.BinaryFlag, 20, types.UnspecifiedLength}, // TODO: tp should be TypeVarString - {"nullif(c_varbinary , 123)", mysql.TypeVarchar, charset.CharsetBin, mysql.BinaryFlag, 20, types.UnspecifiedLength}, // TODO: tp should be TypeVarString - {"nullif(c_blob_d , 123)", mysql.TypeBlob, charset.CharsetBin, mysql.BinaryFlag, 65535, types.UnspecifiedLength}, // TODO: tp should be TypeVarString + {"nullif(c_datetime , 123)", mysql.TypeDatetime, charset.CharsetUTF8MB4, mysql.BinaryFlag, 22, 2}, + {"nullif(c_time_d , 123)", mysql.TypeDuration, charset.CharsetUTF8MB4, mysql.BinaryFlag, 10, 0}, + {"nullif(c_timestamp_d, 123)", mysql.TypeTimestamp, charset.CharsetUTF8MB4, mysql.BinaryFlag, 19, 0}, + {"nullif(c_char , 123)", mysql.TypeString, charset.CharsetUTF8MB4, 0, 20, types.UnspecifiedLength}, + {"nullif(c_varchar , 123)", mysql.TypeVarchar, charset.CharsetUTF8MB4, 0, 20, types.UnspecifiedLength}, // TODO: tp should be TypeVarString + {"nullif(c_text_d , 123)", mysql.TypeBlob, charset.CharsetUTF8MB4, 0, 65535, types.UnspecifiedLength}, // TODO: tp should be TypeMediumBlob + {"nullif(c_binary , 123)", mysql.TypeString, charset.CharsetBin, mysql.BinaryFlag, 20, types.UnspecifiedLength}, // TODO: tp should be TypeVarString + {"nullif(c_varbinary , 123)", mysql.TypeVarchar, charset.CharsetBin, mysql.BinaryFlag, 20, types.UnspecifiedLength}, // TODO: tp should be TypeVarString + {"nullif(c_blob_d , 123)", mysql.TypeBlob, charset.CharsetBin, mysql.BinaryFlag, 65535, types.UnspecifiedLength}, // TODO: tp should be TypeVarString {"interval(c_int_d, c_int_d, c_int_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxIntWidth, 0}, {"interval(c_int_d, c_float_d, c_double_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxIntWidth, 0}, @@ -1079,41 +1079,41 @@ func (s *testInferTypeSuite) createTestCase4Miscellaneous() []typeInferTestCase {"inet6_ntoa(c_timestamp_d)", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 117, 0}, {"inet6_ntoa(c_binary)", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 117, 0}, - {"is_ipv4(c_int_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4(c_float_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4(c_double_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4(c_decimal)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4(c_datetime)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4(c_time_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4(c_timestamp_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4(c_binary)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - - {"is_ipv4_compat(c_int_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4_compat(c_float_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4_compat(c_double_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4_compat(c_decimal)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4_compat(c_datetime)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4_compat(c_time_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4_compat(c_timestamp_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4_compat(c_binary)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - - {"is_ipv4_mapped(c_int_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4_mapped(c_float_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4_mapped(c_double_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4_mapped(c_decimal)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4_mapped(c_datetime)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4_mapped(c_time_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4_mapped(c_timestamp_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv4_mapped(c_binary)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - - {"is_ipv6(c_int_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv6(c_float_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv6(c_double_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv6(c_decimal)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv6(c_datetime)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv6(c_time_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv6(c_timestamp_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"is_ipv6(c_binary)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, + {"is_ipv4(c_int_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4(c_float_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4(c_double_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4(c_decimal)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4(c_datetime)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4(c_time_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4(c_timestamp_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4(c_binary)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + + {"is_ipv4_compat(c_int_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4_compat(c_float_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4_compat(c_double_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4_compat(c_decimal)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4_compat(c_datetime)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4_compat(c_time_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4_compat(c_timestamp_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4_compat(c_binary)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + + {"is_ipv4_mapped(c_int_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4_mapped(c_float_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4_mapped(c_double_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4_mapped(c_decimal)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4_mapped(c_datetime)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4_mapped(c_time_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4_mapped(c_timestamp_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv4_mapped(c_binary)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + + {"is_ipv6(c_int_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv6(c_float_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv6(c_double_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv6(c_decimal)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv6(c_datetime)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv6(c_time_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv6(c_timestamp_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"is_ipv6(c_binary)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, {"any_value(c_int_d)", mysql.TypeLong, charset.CharsetBin, mysql.BinaryFlag, 11, 0}, {"any_value(c_bigint_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 20, 0}, @@ -1137,40 +1137,40 @@ func (s *testInferTypeSuite) createTestCase4Miscellaneous() []typeInferTestCase func (s *testInferTypeSuite) createTestCase4OpFuncs() []typeInferTestCase { return []typeInferTestCase{ - {"c_int_d is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_decimal is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_double_d is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_float_d is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_datetime is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_time_d is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_enum is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_text_d is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"18446 is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"1844674.1 is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - - {"c_int_d is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_decimal is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_double_d is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_float_d is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_datetime is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_time_d is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_enum is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_text_d is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"18446 is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"1844674.1 is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, + {"c_int_d is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_decimal is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_double_d is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_float_d is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_datetime is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_time_d is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_enum is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_text_d is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"18446 is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"1844674.1 is true", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + + {"c_int_d is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_decimal is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_double_d is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_float_d is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_datetime is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_time_d is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_enum is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_text_d is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"18446 is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"1844674.1 is false", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, } } func (s *testInferTypeSuite) createTestCase4OtherFuncs() []typeInferTestCase { return []typeInferTestCase{ - {"1 in (c_int_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"1 in (c_decimal)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"1 in (c_double_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"1 in (c_float_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"1 in (c_datetime)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"1 in (c_time_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"1 in (c_enum)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"1 in (c_text_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, + {"1 in (c_int_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"1 in (c_decimal)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"1 in (c_double_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"1 in (c_float_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"1 in (c_datetime)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"1 in (c_time_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"1 in (c_enum)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"1 in (c_text_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, {"bit_count(c_int_d )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 2, 0}, {"bit_count(c_bigint_d )", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 2, 0}, @@ -1875,39 +1875,39 @@ func (s *testInferTypeSuite) createTestCase4TimeFuncs() []typeInferTestCase { func (s *testInferTypeSuite) createTestCase4LikeFuncs() []typeInferTestCase { return []typeInferTestCase{ - {"c_int_d rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_bigint_d rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_float_d rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_double_d rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_decimal rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_datetime rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_time_d rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_timestamp_d rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_char rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_varchar rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_text_d rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_binary rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_varbinary rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_blob_d rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_set rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_enum rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - - {"c_int_d regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_bigint_d regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_float_d regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_double_d regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_decimal regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_datetime regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_time_d regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_timestamp_d regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_char regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_varchar regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_text_d regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_binary regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_varbinary regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_blob_d regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_set regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, - {"c_enum regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 1, 0}, + {"c_int_d rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_bigint_d rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_float_d rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_double_d rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_decimal rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_datetime rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_time_d rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_timestamp_d rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_char rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_varchar rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_text_d rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_binary rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_varbinary rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_blob_d rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_set rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_enum rlike c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + + {"c_int_d regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_bigint_d regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_float_d regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_double_d regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_decimal regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_datetime regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_time_d regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_timestamp_d regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_char regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_varchar regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_text_d regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_binary regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_varbinary regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_blob_d regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_set regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, + {"c_enum regexp c_text_d", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag | mysql.IsBooleanFlag, 1, 0}, } } From f51bdfc514ed48a288922526dffe9e4b234cc788 Mon Sep 17 00:00:00 2001 From: you06 Date: Mon, 7 Dec 2020 20:17:17 +0800 Subject: [PATCH 0396/1021] executor: do not read from lock cache when snapshot read (#21529) Signed-off-by: you06 --- executor/batch_point_get.go | 6 +++++- executor/point_get.go | 10 ++++++---- executor/update_test.go | 24 ++++++++++++++++++++++++ 3 files changed, 35 insertions(+), 5 deletions(-) diff --git a/executor/batch_point_get.go b/executor/batch_point_get.go index 4bf52862ee5db..77cbb59295ed1 100644 --- a/executor/batch_point_get.go +++ b/executor/batch_point_get.go @@ -115,7 +115,11 @@ func (e *BatchPointGetExec) Open(context.Context) error { snapshot.SetOption(kv.TaskID, e.ctx.GetSessionVars().StmtCtx.TaskID) var batchGetter kv.BatchGetter = snapshot if txn.Valid() { - batchGetter = kv.NewBufferBatchGetter(txn.GetMemBuffer(), &PessimisticLockCacheGetter{txnCtx: txnCtx}, snapshot) + if e.lock { + batchGetter = kv.NewBufferBatchGetter(txn.GetMemBuffer(), &PessimisticLockCacheGetter{txnCtx: txnCtx}, snapshot) + } else { + batchGetter = kv.NewBufferBatchGetter(txn.GetMemBuffer(), nil, snapshot) + } } e.snapshot = snapshot e.batchGetter = batchGetter diff --git a/executor/point_get.go b/executor/point_get.go index 8f006f3dbabb0..bfa7a951e3a82 100644 --- a/executor/point_get.go +++ b/executor/point_get.go @@ -338,10 +338,12 @@ func (e *PointGetExecutor) get(ctx context.Context, key kv.Key) ([]byte, error) return nil, err } // key does not exist in mem buffer, check the lock cache - var ok bool - val, ok = e.ctx.GetSessionVars().TxnCtx.GetKeyInPessimisticLockCache(key) - if ok { - return val, nil + if e.lock { + var ok bool + val, ok = e.ctx.GetSessionVars().TxnCtx.GetKeyInPessimisticLockCache(key) + if ok { + return val, nil + } } // fallthrough to snapshot get. } diff --git a/executor/update_test.go b/executor/update_test.go index 396bb81bd6b6e..b9a50d931f2e9 100644 --- a/executor/update_test.go +++ b/executor/update_test.go @@ -402,3 +402,27 @@ func (s *testSuite11) TestOutOfRangeWithUnsigned(c *C) { _, err := tk.Exec("update t set ts = IF(ts < (0 - ts), 1,1) where ts>0") c.Assert(err.Error(), Equals, "[types:1690]BIGINT UNSIGNED value is out of range in '(0 - test.t.ts)'") } + +func (s *testPointGetSuite) TestIssue21447(c *C) { + tk1, tk2 := testkit.NewTestKit(c, s.store), testkit.NewTestKit(c, s.store) + tk1.MustExec("use test") + tk2.MustExec("use test") + + tk1.MustExec("drop table if exists t1") + tk1.MustExec("create table t1(id int primary key, name varchar(40))") + tk1.MustExec("insert into t1 values(1, 'abc')") + + tk1.MustExec("begin pessimistic") + tk2.MustExec("begin pessimistic") + tk2.MustExec("update t1 set name='xyz' where id=1") + tk2.CheckExecResult(1, 0) + tk2.MustQuery("select * from t1 where id = 1").Check(testkit.Rows("1 xyz")) + tk2.MustExec("commit") + tk1.MustExec("update t1 set name='xyz' where id=1") + tk1.CheckExecResult(0, 0) + tk1.MustQuery("select * from t1 where id = 1").Check(testkit.Rows("1 abc")) + tk1.MustQuery("select * from t1 where id = 1 for update").Check(testkit.Rows("1 xyz")) + tk1.MustQuery("select * from t1 where id in (1, 2)").Check(testkit.Rows("1 abc")) + tk1.MustQuery("select * from t1 where id in (1, 2) for update").Check(testkit.Rows("1 xyz")) + tk1.MustExec("commit") +} From 77572f873d89b926d9d7b99e8075505b23d7e9be Mon Sep 17 00:00:00 2001 From: Chengpeng Yan <41809508+Reminiscent@users.noreply.github.com> Date: Tue, 8 Dec 2020 10:54:24 +0800 Subject: [PATCH 0397/1021] planner: do not push down the aggregation function with correlated column (#21453) --- expression/util.go | 15 +++++++++++++++ planner/core/integration_test.go | 11 +++++++++++ planner/core/task.go | 3 ++- 3 files changed, 28 insertions(+), 1 deletion(-) diff --git a/expression/util.go b/expression/util.go index 5faff464fd877..f23c518cd9427 100644 --- a/expression/util.go +++ b/expression/util.go @@ -897,6 +897,21 @@ func ContainVirtualColumn(exprs []Expression) bool { return false } +// ContainCorrelatedColumn checks if the expressions contain a correlated column +func ContainCorrelatedColumn(exprs []Expression) bool { + for _, expr := range exprs { + switch v := expr.(type) { + case *CorrelatedColumn: + return true + case *ScalarFunction: + if ContainCorrelatedColumn(v.GetArgs()) { + return true + } + } + } + return false +} + // ContainMutableConst checks if the expressions contain a lazy constant. func ContainMutableConst(ctx sessionctx.Context, exprs []Expression) bool { // Treat all constants immutable if plan cache is not enabled for this query. diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 03c10f82814c9..20bd1e91cfc36 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1967,3 +1967,14 @@ func (s *testIntegrationSerialSuite) TestPreferRangeScan(c *C) { "├─IndexRangeScan_5(Build) 2048.00 cop[tikv] table:test, index:idx_age(age) range:[5,5], keep order:false", "└─TableRowIDScan_6(Probe) 2048.00 cop[tikv] table:test keep order:false")) } + +func (s *testIntegrationSuite) TestCorrelatedColumnAggFuncPushDown(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t (a int, b int);") + tk.MustExec("insert into t values (1,1);") + tk.MustQuery("select (select count(n.a + a) from t) from t n;").Check(testkit.Rows( + "1", + )) +} diff --git a/planner/core/task.go b/planner/core/task.go index ae54c46b89e78..65e846d0d6f4b 100644 --- a/planner/core/task.go +++ b/planner/core/task.go @@ -1088,7 +1088,8 @@ func CheckAggCanPushCop(sctx sessionctx.Context, aggFuncs []*aggregation.AggFunc sc := sctx.GetSessionVars().StmtCtx client := sctx.GetClient() for _, aggFunc := range aggFuncs { - if expression.ContainVirtualColumn(aggFunc.Args) { + // if the aggFunc contain VirtualColumn or CorrelatedColumn, it can not be pushed down. + if expression.ContainVirtualColumn(aggFunc.Args) || expression.ContainCorrelatedColumn(aggFunc.Args) { return false } pb := aggregation.AggFuncToPBExpr(sc, client, aggFunc) From d19a21d92a9b9409ee8f1c7dbb197fdcf5b7c06c Mon Sep 17 00:00:00 2001 From: Morgan Tocker Date: Mon, 7 Dec 2020 21:09:48 -0700 Subject: [PATCH 0398/1021] ddl, server, session: make gocritic happy (#21544) --- ddl/db_test.go | 14 +++++++------- ddl/ddl_api.go | 9 ++++----- ddl/ddl_worker.go | 3 +-- ddl/ddl_worker_test.go | 6 +++--- ddl/index.go | 12 +++++------- ddl/placement_sql_test.go | 4 ++-- ddl/rollingback.go | 4 ++-- ddl/sequence.go | 4 ++-- server/conn.go | 4 ++-- server/conn_stmt.go | 14 +++++++------- server/conn_test.go | 2 +- server/driver_tidb.go | 6 +++--- server/http_handler.go | 13 ++++--------- server/server.go | 6 ++---- server/server_test.go | 5 ++--- server/tidb_test.go | 2 +- server/util.go | 2 +- server/util_test.go | 2 +- session/pessimistic_test.go | 2 +- session/schema_amender.go | 9 ++++----- session/session.go | 2 +- session/session_test.go | 9 +++++---- 22 files changed, 61 insertions(+), 73 deletions(-) diff --git a/ddl/db_test.go b/ddl/db_test.go index f89b68297d654..0afc8db1e741b 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -1924,11 +1924,11 @@ func checkGlobalIndexRow(c *C, ctx sessionctx.Context, tblInfo *model.TableInfo, c.Assert(err, IsNil) c.Assert(d, DeepEquals, val) } - _, d, err := codec.DecodeOne(colVals[len(idxVals)+1]) //pid + _, d, err := codec.DecodeOne(colVals[len(idxVals)+1]) // pid c.Assert(err, IsNil) c.Assert(d.GetInt64(), Equals, pid) - _, d, err = codec.DecodeOne(colVals[len(idxVals)]) //handle + _, d, err = codec.DecodeOne(colVals[len(idxVals)]) // handle c.Assert(err, IsNil) h := kv.IntHandle(d.GetInt64()) rowKey := tablecodec.EncodeRowKey(pid, h.Encoded()) @@ -4042,7 +4042,7 @@ func (s *testSerialDBSuite) TestModifyColumnBetweenStringTypes(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.Se.GetSessionVars().EnableChangeColumnType = true - //varchar to varchar + // varchar to varchar tk.MustExec("drop table if exists tt;") tk.MustExec("create table tt (a varchar(10));") tk.MustExec("insert into tt values ('111'),('10000');") @@ -4483,9 +4483,9 @@ func testAddIndexForGeneratedColumn(tk *testkit.TestKit, s *testSerialDBSuite, c } // NOTE: this test case contains a bug, it should be uncommented after the bug is fixed. // TODO: Fix bug https://github.com/pingcap/tidb/issues/12181 - //s.mustExec(c, "delete from t where y = 2155") - //s.mustExec(c, "alter table t add index idx_y(y1)") - //s.mustExec(c, "alter table t drop index idx_y") + // s.mustExec(c, "delete from t where y = 2155") + // s.mustExec(c, "alter table t add index idx_y(y1)") + // s.mustExec(c, "alter table t drop index idx_y") // Fix issue 9311. tk.MustExec("drop table if exists gcai_table") @@ -6015,7 +6015,7 @@ func (s *testSerialDBSuite) TestCommitTxnWithIndexChange(c *C) { "insert into t2 values(11, 11, 11)", "delete from t2 where c2 = 11", "update t2 set c2 = 110 where c1 = 11"}, - //"update t2 set c1 = 10 where c3 = 100"}, + // "update t2 set c1 = 10 where c3 = 100"}, []string{"alter table t1 add index k2(c2)", "alter table t1 drop index k2", "alter table t1 add index kk2(c2, c1)", diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 824308b733150..9b28d08f51d28 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -2250,8 +2250,7 @@ func getCharsetAndCollateInTableOption(startIdx int, options []*ast.TableOption) func needToOverwriteColCharset(options []*ast.TableOption) bool { for i := len(options) - 1; i >= 0; i-- { opt := options[i] - switch opt.Tp { - case ast.TableOptionCharset: + if opt.Tp == ast.TableOptionCharset { // Only overwrite columns charset if the option contains `CONVERT TO`. return opt.UintValue == ast.TableOptionCharsetWithConvertTo } @@ -4576,7 +4575,7 @@ func extractTblInfos(is infoschema.InfoSchema, oldIdent, newIdent ast.Ident, isA return nil, 0, errFileNotFound.GenWithStackByArgs(oldIdent.Schema, oldIdent.Name) } if isAlterTable && newIdent.Schema.L == oldIdent.Schema.L && newIdent.Name.L == oldIdent.Name.L { - //oldIdent is equal to newIdent, do nothing + // oldIdent is equal to newIdent, do nothing return nil, 0, nil } newSchema, ok := is.SchemaByName(newIdent.Schema) @@ -4710,7 +4709,7 @@ func (d *ddl) CreatePrimaryKey(ctx sessionctx.Context, ti ast.Ident, indexName m if !config.GetGlobalConfig().EnableGlobalIndex { return ErrUniqueKeyNeedAllFieldsInPf.GenWithStackByArgs("PRIMARY") } - //index columns does not contain all partition columns, must set global + // index columns does not contain all partition columns, must set global global = true } } @@ -4883,7 +4882,7 @@ func (d *ddl) CreateIndex(ctx sessionctx.Context, ti ast.Ident, keyType ast.Inde if !config.GetGlobalConfig().EnableGlobalIndex { return ErrUniqueKeyNeedAllFieldsInPf.GenWithStackByArgs("UNIQUE INDEX") } - //index columns does not contain all partition columns, must set global + // index columns does not contain all partition columns, must set global global = true } } diff --git a/ddl/ddl_worker.go b/ddl/ddl_worker.go index 893fde715f09c..f8d278384f662 100644 --- a/ddl/ddl_worker.go +++ b/ddl/ddl_worker.go @@ -350,8 +350,7 @@ func (w *worker) finishDDLJob(t *meta.Meta, job *model.Job) (err error) { err = w.deleteRange(job) } } - switch job.Type { - case model.ActionRecoverTable: + if job.Type == model.ActionRecoverTable { err = finishRecoverTable(w, t, job) } if err != nil { diff --git a/ddl/ddl_worker_test.go b/ddl/ddl_worker_test.go index 301bbb43c65b1..ff3a2d812e9dd 100644 --- a/ddl/ddl_worker_test.go +++ b/ddl/ddl_worker_test.go @@ -160,7 +160,7 @@ func (s *testDDLSuite) TestTableError(c *C) { // Schema ID is wrong, so creating table is failed. doDDLJobErr(c, -1, tblInfo.ID, model.ActionCreateTable, []interface{}{tblInfo}, ctx, d) // Table exists, so creating table is failed. - tblInfo.ID = tblInfo.ID + 1 + tblInfo.ID++ doDDLJobErr(c, dbInfo.ID, tblInfo.ID, model.ActionCreateTable, []interface{}{tblInfo}, ctx, d) } @@ -189,7 +189,7 @@ func (s *testDDLSuite) TestViewError(c *C) { // Schema ID is wrong and orReplace is false, so creating view is failed. doDDLJobErr(c, -1, tblInfo.ID, model.ActionCreateView, []interface{}{tblInfo, false}, ctx, d) // View exists and orReplace is false, so creating view is failed. - tblInfo.ID = tblInfo.ID + 1 + tblInfo.ID++ doDDLJobErr(c, dbInfo.ID, tblInfo.ID, model.ActionCreateView, []interface{}{tblInfo, false}, ctx, d) } @@ -782,7 +782,7 @@ func (s *testDDLSerialSuite) TestCancelJob(c *C) { // modify delete-only-state column, col.FieldType.Tp = mysql.TypeTiny - col.FieldType.Flen = col.FieldType.Flen - 1 + col.FieldType.Flen-- updateTest(&tests[16]) modifyColumnArgs = []interface{}{col, col.Name, &ast.ColumnPosition{}, byte(0), uint64(0)} cancelState = model.StateNone diff --git a/ddl/index.go b/ddl/index.go index 14e73fb887113..9650f9bf63c42 100644 --- a/ddl/index.go +++ b/ddl/index.go @@ -1124,16 +1124,14 @@ func (w *addIndexWorker) batchCheckUniqueKey(txn kv.Transaction, idxRecords []*i } } idxRecords[i].skip = true - } else { + } else if w.distinctCheckFlags[i] { // The keys in w.batchCheckKeys also maybe duplicate, // so we need to backfill the not found key into `batchVals` map. - if w.distinctCheckFlags[i] { - val, err := w.index.GenIndexValue(stmtCtx, idxRecords[i].vals, w.distinctCheckFlags[i], false, idxRecords[i].handle) - if err != nil { - return errors.Trace(err) - } - batchVals[string(key)] = val + val, err := w.index.GenIndexValue(stmtCtx, idxRecords[i].vals, w.distinctCheckFlags[i], false, idxRecords[i].handle) + if err != nil { + return errors.Trace(err) } + batchVals[string(key)] = val } } // Constrains is already checked. diff --git a/ddl/placement_sql_test.go b/ddl/placement_sql_test.go index cc2e4bb89c870..4b324cc569218 100644 --- a/ddl/placement_sql_test.go +++ b/ddl/placement_sql_test.go @@ -588,7 +588,7 @@ PARTITION BY RANGE (c) ( expectErr: fmt.Errorf(".*can not be written by local transactions when its placement policy is being altered.*"), }, // FIXME: support abort read txn during StateGlobalTxnOnly - //{ + // { // name: "read partition p0 during middle state", // hook: func() *ddl.TestDDLCallback { // hook := &ddl.TestDDLCallback{} @@ -606,7 +606,7 @@ PARTITION BY RANGE (c) ( // return hook // }(), // expectErr: fmt.Errorf(".*can not be written by local transactions when its placement policy is being altered.*"), - //}, + // }, } originalHook := s.dom.DDL().GetHook() testFunc := func(name string, hook *ddl.TestDDLCallback, expectErr error) { diff --git a/ddl/rollingback.go b/ddl/rollingback.go index bdc1f6629f8f7..7b44d437edfe6 100644 --- a/ddl/rollingback.go +++ b/ddl/rollingback.go @@ -34,7 +34,7 @@ func updateColsNull2NotNull(tblInfo *model.TableInfo, indexInfo *model.IndexInfo for _, col := range nullCols { col.Flag |= mysql.NotNullFlag - col.Flag = col.Flag &^ mysql.PreventNullInsertFlag + col.Flag &^= mysql.PreventNullInsertFlag } return nil } @@ -49,7 +49,7 @@ func convertAddIdxJob2RollbackJob(t *meta.Meta, job *model.Job, tblInfo *model.T } for _, col := range nullCols { // Field PreventNullInsertFlag flag reset. - col.Flag = col.Flag &^ mysql.PreventNullInsertFlag + col.Flag &^= mysql.PreventNullInsertFlag } } diff --git a/ddl/sequence.go b/ddl/sequence.go index c7aa6c47f8507..40c3676286106 100644 --- a/ddl/sequence.go +++ b/ddl/sequence.go @@ -83,13 +83,13 @@ func createSequenceWithCheck(t *meta.Meta, job *model.Job, schemaID int64, tbInf return t.CreateSequenceAndSetSeqValue(schemaID, tbInfo, sequenceBase) } -func handleSequenceOptions(SeqOptions []*ast.SequenceOption, sequenceInfo *model.SequenceInfo) { +func handleSequenceOptions(seqOptions []*ast.SequenceOption, sequenceInfo *model.SequenceInfo) { var ( minSetFlag bool maxSetFlag bool startSetFlag bool ) - for _, op := range SeqOptions { + for _, op := range seqOptions { switch op.Tp { case ast.SequenceOptionIncrementBy: sequenceInfo.Increment = op.IntValue diff --git a/server/conn.go b/server/conn.go index 918e50563fcc7..dd80298ff8281 100644 --- a/server/conn.go +++ b/server/conn.go @@ -394,7 +394,7 @@ func parseOldHandshakeResponseHeader(ctx context.Context, packet *handshakeRespo packet.Capability = uint32(capability) // be compatible with Protocol::HandshakeResponse41 - packet.Capability = packet.Capability | mysql.ClientProtocol41 + packet.Capability |= mysql.ClientProtocol41 offset += 2 // skip max packet size @@ -1810,7 +1810,7 @@ func (cc *clientConn) writeChunksWithFetchSize(ctx context.Context, rs ResultSet curRows = fetchedRows[:fetchSize] fetchedRows = fetchedRows[fetchSize:] } else { - curRows = fetchedRows[:] + curRows = fetchedRows fetchedRows = fetchedRows[:0] } rs.StoreFetchedRows(fetchedRows) diff --git a/server/conn_stmt.go b/server/conn_stmt.go index 43d23e7d2b4a0..618ac66d67974 100644 --- a/server/conn_stmt.go +++ b/server/conn_stmt.go @@ -60,18 +60,18 @@ func (cc *clientConn) handleStmtPrepare(ctx context.Context, sql string) error { } data := make([]byte, 4, 128) - //status ok + // status ok data = append(data, 0) - //stmt id + // stmt id data = dumpUint32(data, uint32(stmt.ID())) - //number columns + // number columns data = dumpUint16(data, uint16(len(columns))) - //number params + // number params data = dumpUint16(data, uint16(len(params))) - //filter [00] + // filter [00] data = append(data, 0) - //warning count - data = append(data, 0, 0) //TODO support warning count + // warning count + data = append(data, 0, 0) // TODO support warning count if err := cc.writePacket(data); err != nil { return err diff --git a/server/conn_test.go b/server/conn_test.go index 35c92986be0e1..54971486981b0 100644 --- a/server/conn_test.go +++ b/server/conn_test.go @@ -557,7 +557,7 @@ func mapBelong(m1, m2 map[string]string) bool { } func (ts *ConnTestSuite) TestConnExecutionTimeout(c *C) { - //There is no underlying netCon, use failpoint to avoid panic + // There is no underlying netCon, use failpoint to avoid panic c.Assert(failpoint.Enable("github.com/pingcap/tidb/server/FakeClientConn", "return(1)"), IsNil) c.Parallel() diff --git a/server/driver_tidb.go b/server/driver_tidb.go index 8292029590b8a..8af42fca5ba96 100644 --- a/server/driver_tidb.go +++ b/server/driver_tidb.go @@ -149,7 +149,7 @@ func (ts *TiDBStatement) Reset() { // Close implements PreparedStatement Close method. func (ts *TiDBStatement) Close() error { - //TODO close at tidb level + // TODO close at tidb level if ts.ctx.GetSessionVars().TxnCtx != nil && ts.ctx.GetSessionVars().TxnCtx.CouldRetry { err := ts.ctx.DropPreparedStmt(ts.id) if err != nil { @@ -392,9 +392,9 @@ func convertColumnInfo(fld *ast.ResultField) (ci *ColumnInfo) { // client such as Navicat. Now we only allow string type enter this branch. charsetDesc, err := charset.GetCharsetDesc(fld.Column.Charset) if err != nil { - ci.ColumnLength = ci.ColumnLength * 4 + ci.ColumnLength *= 4 } else { - ci.ColumnLength = ci.ColumnLength * uint32(charsetDesc.Maxlen) + ci.ColumnLength *= uint32(charsetDesc.Maxlen) } } diff --git a/server/http_handler.go b/server/http_handler.go index 3e2bd047561a7..8bc6cd31c9241 100644 --- a/server/http_handler.go +++ b/server/http_handler.go @@ -590,12 +590,9 @@ func (rt *RegionDetail) addTableInRange(dbName string, curTable *model.TableInfo rt.Frames = append(rt.Frames, f) } } - } else { - if f := r.GetIndexFrame(tID, index.ID, dbName, tName, index.Name.String()); f != nil { - rt.Frames = append(rt.Frames, f) - } + } else if f := r.GetIndexFrame(tID, index.ID, dbName, tName, index.Name.String()); f != nil { + rt.Frames = append(rt.Frames, f) } - } if pi != nil { @@ -604,10 +601,8 @@ func (rt *RegionDetail) addTableInRange(dbName string, curTable *model.TableInfo rt.Frames = append(rt.Frames, f) } } - } else { - if f := r.GetRecordFrame(tID, dbName, tName, isCommonHandle); f != nil { - rt.Frames = append(rt.Frames, f) - } + } else if f := r.GetRecordFrame(tID, dbName, tName, isCommonHandle); f != nil { + rt.Frames = append(rt.Frames, f) } } diff --git a/server/server.go b/server/server.go index 345948ac2b452..c3baca1e8f516 100644 --- a/server/server.go +++ b/server/server.go @@ -192,10 +192,8 @@ func (s *Server) forwardUnixSocketToTCP() { if uconn, err := s.socket.Accept(); err == nil { logutil.BgLogger().Info("server socket forwarding", zap.String("from", s.cfg.Socket), zap.String("to", addr)) go s.handleForwardedConnection(uconn, addr) - } else { - if s.listener != nil { - logutil.BgLogger().Error("server failed to forward", zap.String("from", s.cfg.Socket), zap.String("to", addr), zap.Error(err)) - } + } else if s.listener != nil { + logutil.BgLogger().Error("server failed to forward", zap.String("from", s.cfg.Socket), zap.String("to", addr), zap.Error(err)) } } } diff --git a/server/server_test.go b/server/server_test.go index d49588dbde200..688bce2c8e5c6 100644 --- a/server/server_test.go +++ b/server/server_test.go @@ -294,8 +294,7 @@ func (cli *testServerClient) runTestPrepareResultFieldType(t *C) { if err != nil { dbt.Fatal(err) } - switch { - case result != param: + if result != param { dbt.Fatal("Unexpected result value") } }) @@ -1431,7 +1430,7 @@ func (cli *testServerClient) getMetrics(t *C) []byte { func getStmtCnt(content string) (stmtCnt map[string]int) { stmtCnt = make(map[string]int) - r, _ := regexp.Compile("tidb_executor_statement_total{type=\"([A-Z|a-z|-]+)\"} (\\d+)") + r := regexp.MustCompile("tidb_executor_statement_total{type=\"([A-Z|a-z|-]+)\"} (\\d+)") matchResult := r.FindAllStringSubmatch(content, -1) for _, v := range matchResult { cnt, _ := strconv.Atoi(v[2]) diff --git a/server/tidb_test.go b/server/tidb_test.go index 000773a129a3d..587011def7662 100644 --- a/server/tidb_test.go +++ b/server/tidb_test.go @@ -363,7 +363,7 @@ func (ts *tidbTestSuite) TestSocket(c *C) { time.Sleep(time.Millisecond * 100) defer server.Close() - //a fake server client, config is override, just used to run tests + // a fake server client, config is override, just used to run tests cli := newTestServerClient() cli.runTestRegression(c, func(config *mysql.Config) { config.User = "root" diff --git a/server/util.go b/server/util.go index a5054b158720f..b4034730b276b 100644 --- a/server/util.go +++ b/server/util.go @@ -223,7 +223,7 @@ func dumpBinaryDateTime(data []byte, t types.Time) []byte { data = append(data, 0) } else { data = append(data, 4) - data = dumpUint16(data, uint16(year)) //year + data = dumpUint16(data, uint16(year)) // year data = append(data, byte(mon), byte(day)) } } diff --git a/server/util_test.go b/server/util_test.go index ff56a216c87df..a8a7d68f5906d 100644 --- a/server/util_test.go +++ b/server/util_test.go @@ -140,7 +140,7 @@ func (s *testUtilSuite) TestDumpTextValue(c *C) { c.Assert(err, IsNil) c.Assert(mustDecodeStr(c, bs), Equals, "11") - columns[0].Flag = columns[0].Flag | uint16(mysql.UnsignedFlag) + columns[0].Flag |= uint16(mysql.UnsignedFlag) bs, err = dumpTextRow(nil, columns, chunk.MutRowFromDatums([]types.Datum{types.NewUintDatum(11)}).ToRow()) c.Assert(err, IsNil) c.Assert(mustDecodeStr(c, bs), Equals, "11") diff --git a/session/pessimistic_test.go b/session/pessimistic_test.go index d0007ed2980df..b9f20c3cdcaba 100644 --- a/session/pessimistic_test.go +++ b/session/pessimistic_test.go @@ -496,7 +496,7 @@ func (s *testPessimisticSuite) TestSelectForUpdateNoWait(c *C) { tk3.MustQuery("select * from tk where c1 > 3 for update nowait").Check(testkit.Rows("4 14", "5 15")) tk3.MustExec("commit") - //delete + // delete tk3.MustExec("begin pessimistic") tk3.MustExec("delete from tk where c1 <= 2") tk.MustExec("begin pessimistic") diff --git a/session/schema_amender.go b/session/schema_amender.go index e643b45818c24..05fb6d6d77c6e 100644 --- a/session/schema_amender.go +++ b/session/schema_amender.go @@ -517,15 +517,14 @@ func (s *SchemaAmender) getAmendableKeys(commitMutations tikv.CommitterMutations continue } keyOp := commitMutations.GetOp(i) - if pb.Op_Put == keyOp { + switch keyOp { + case pb.Op_Put: addKeys = append(addKeys, byteKey) removeKeys = append(removeKeys, byteKey) - } else if pb.Op_Insert == keyOp { + case pb.Op_Insert: addKeys = append(addKeys, byteKey) - } else if pb.Op_Del == keyOp { + case pb.Op_Del: removeKeys = append(removeKeys, byteKey) - } else { - // Do nothing. } } return addKeys, removeKeys diff --git a/session/session.go b/session/session.go index bafb8a15c39ad..65899285c9bb2 100644 --- a/session/session.go +++ b/session/session.go @@ -2471,7 +2471,7 @@ func logQuery(query string, vars *variable.SessionVars) { if variable.ProcessGeneralLog.Load() && !vars.InRestrictedSQL { query = executor.QueryReplacer.Replace(query) if !vars.EnableRedactLog { - query = query + vars.PreparedParams.String() + query += vars.PreparedParams.String() } logutil.BgLogger().Info("GENERAL_LOG", zap.Uint64("conn", vars.ConnectionID), diff --git a/session/session_test.go b/session/session_test.go index 293c326aa0693..496cf4aec27f5 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -222,11 +222,12 @@ func (s *testSessionSuiteBase) TearDownTest(c *C) { for _, tb := range r.Rows() { tableName := tb[0] tableType := tb[1] - if tableType == "VIEW" { + switch tableType { + case "VIEW": tk.MustExec(fmt.Sprintf("drop view %v", tableName)) - } else if tableType == "BASE TABLE" { + case "BASE TABLE": tk.MustExec(fmt.Sprintf("drop table %v", tableName)) - } else { + default: panic(fmt.Sprintf("Unexpected table '%s' with type '%s'.", tableName, tableType)) } } @@ -3701,7 +3702,7 @@ func (s *testSessionSuite2) TestSelectLockInShare(c *C) { } func (s *testSessionSerialSuite) TestCoprocessorOOMAction(c *C) { - //Assert Coprocessor OOMAction + // Assert Coprocessor OOMAction tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") tk.MustExec(`set @@tidb_wait_split_region_finish=1`) From 1b12071e524bad1660dbacfa0f18cd9cd6b602d6 Mon Sep 17 00:00:00 2001 From: Wenxuan Date: Tue, 8 Dec 2020 13:36:17 +0800 Subject: [PATCH 0399/1021] coprocessor: Support changing maxRanges (#21542) --- config/config.go | 3 ++ config/config.toml.example | 4 ++- go.sum | 1 + store/tikv/coprocessor.go | 4 +-- store/tikv/coprocessor_cache.go | 20 ++++++++++++-- store/tikv/coprocessor_cache_test.go | 41 ++++++++++++++++++++-------- 6 files changed, 56 insertions(+), 17 deletions(-) diff --git a/config/config.go b/config/config.go index 50e3596fdc29a..536269a906fdb 100644 --- a/config/config.go +++ b/config/config.go @@ -561,6 +561,8 @@ type CoprocessorCache struct { Enable bool `toml:"enable" json:"enable"` // The capacity in MB of the cache. CapacityMB float64 `toml:"capacity-mb" json:"capacity-mb"` + // Only cache requests that containing small number of ranges. May to be changed in future. + AdmissionMaxRanges uint64 `toml:"admission-max-ranges" json:"admission-max-ranges"` // Only cache requests whose result set is small. AdmissionMaxResultMB float64 `toml:"admission-max-result-mb" json:"admission-max-result-mb"` // Only cache requests takes notable time to process. @@ -750,6 +752,7 @@ var defaultConf = Config{ CoprCache: CoprocessorCache{ Enable: true, CapacityMB: 1000, + AdmissionMaxRanges: 500, AdmissionMaxResultMB: 10, AdmissionMinProcessMs: 5, }, diff --git a/config/config.toml.example b/config/config.toml.example index ee4dc70d2e142..068ce0ed42e81 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -300,7 +300,7 @@ max-txn-ttl = 3600000 mem-profile-interval = "1m" # Index usage sync lease duration, which influences the time of dump index usage information to KV. -# Here we set to 0 to not dump index usage information to KV, +# Here we set to 0 to not dump index usage information to KV, # because we have not completed GC and other functions. index-usage-sync-lease = "0s" @@ -435,6 +435,8 @@ enable = true # The capacity in MB of the cache. capacity-mb = 1000.0 +# Only cache small requests. Zero means no limits for requests. +admission-max-ranges = 500 # Only cache requests whose result set is small. admission-max-result-mb = 10.0 # Only cache requests takes notable time to process. diff --git a/go.sum b/go.sum index 05682a3bf69c0..655bb519abeb1 100644 --- a/go.sum +++ b/go.sum @@ -781,6 +781,7 @@ github.com/satori/go.uuid v1.2.1-0.20181028125025-b2ce2384e17b/go.mod h1:dA0hQrY github.com/segmentio/kafka-go v0.1.0/go.mod h1:X6itGqS9L4jDletMsxZ7Dz+JFWxM6JHfPOCvTvk+EJo= github.com/segmentio/kafka-go v0.2.0/go.mod h1:X6itGqS9L4jDletMsxZ7Dz+JFWxM6JHfPOCvTvk+EJo= github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= +github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44 h1:tB9NOR21++IjLyVx3/PCPhWMwqGNCMQEH96A6dMZ/gc= github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo= github.com/shirou/gopsutil v2.19.10+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA= github.com/shirou/gopsutil v2.20.3+incompatible h1:0JVooMPsT7A7HqEYdydp/OfjSOYSjhXV7w1hkKj/NPQ= diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go index c1b556196d759..4d25194cf4764 100644 --- a/store/tikv/coprocessor.go +++ b/store/tikv/coprocessor.go @@ -851,7 +851,7 @@ func (worker *copIteratorWorker) handleTaskOnce(bo *Backoffer, task *copTask, ch // If there are many ranges, it is very likely to be a TableLookupRequest. They are not worth to cache since // computing is not the main cost. Ignore such requests directly to avoid slowly building the cache key. - if task.cmdType == tikvrpc.CmdCop && worker.store.coprCache != nil && worker.req.Cacheable && len(copReq.Ranges) < 10 { + if task.cmdType == tikvrpc.CmdCop && worker.store.coprCache != nil && worker.req.Cacheable && worker.store.coprCache.CheckRequestAdmission(len(copReq.Ranges)) { cKey, err := coprCacheBuildKey(&copReq) if err == nil { cacheKey = cKey @@ -1207,7 +1207,7 @@ func (worker *copIteratorWorker) handleCopResponse(bo *Backoffer, rpcCtx *RPCCon } else { // Cache not hit or cache hit but not valid: update the cache if the response can be cached. if cacheKey != nil && resp.pbResp.CanBeCached && resp.pbResp.CacheLastVersion > 0 { - if worker.store.coprCache.CheckAdmission(resp.pbResp.Data.Size(), resp.detail.ProcessTime) { + if worker.store.coprCache.CheckResponseAdmission(resp.pbResp.Data.Size(), resp.detail.ProcessTime) { data := make([]byte, len(resp.pbResp.Data)) copy(data, resp.pbResp.Data) diff --git a/store/tikv/coprocessor_cache.go b/store/tikv/coprocessor_cache.go index 771f75b96ec47..1dc258428c307 100644 --- a/store/tikv/coprocessor_cache.go +++ b/store/tikv/coprocessor_cache.go @@ -29,6 +29,7 @@ import ( type coprCache struct { cache *ristretto.Cache + admissionMaxRanges int admissionMaxSize int admissionMinProcessTime time.Duration } @@ -81,6 +82,7 @@ func newCoprCache(config *config.CoprocessorCache) (*coprCache, error) { } c := coprCache{ cache: cache, + admissionMaxRanges: int(config.AdmissionMaxRanges), admissionMaxSize: int(maxEntityInBytes), admissionMinProcessTime: time.Duration(config.AdmissionMinProcessMs) * time.Millisecond, } @@ -158,8 +160,19 @@ func (c *coprCache) Get(key []byte) *coprCacheValue { return typedValue } -// CheckAdmission checks whether an item is worth caching. -func (c *coprCache) CheckAdmission(dataSize int, processTime time.Duration) bool { +// CheckRequestAdmission checks whether a response item is worth caching. +func (c *coprCache) CheckRequestAdmission(ranges int) bool { + if c == nil { + return false + } + if c.admissionMaxRanges != 0 && ranges > c.admissionMaxRanges { + return false + } + return true +} + +// CheckResponseAdmission checks whether a response item is worth caching. +func (c *coprCache) CheckResponseAdmission(dataSize int, processTime time.Duration) bool { if c == nil { return false } @@ -173,7 +186,8 @@ func (c *coprCache) CheckAdmission(dataSize int, processTime time.Duration) bool } // Set inserts an item to the cache. -// It is recommended to call `CheckAdmission` before inserting the item to the cache. +// It is recommended to call `CheckRequestAdmission` and `CheckResponseAdmission` before inserting +// the item to the cache. func (c *coprCache) Set(key []byte, value *coprCacheValue) bool { if c == nil { return false diff --git a/store/tikv/coprocessor_cache_test.go b/store/tikv/coprocessor_cache_test.go index 66125da999b3c..8c387de4956ff 100644 --- a/store/tikv/coprocessor_cache_test.go +++ b/store/tikv/coprocessor_cache_test.go @@ -83,7 +83,7 @@ func (s *testCoprocessorSuite) TestDisable(c *C) { v2 := cache.Get([]byte("foo")) c.Assert(v2, IsNil) - v = cache.CheckAdmission(1024, time.Second*5) + v = cache.CheckResponseAdmission(1024, time.Second*5) c.Assert(v, Equals, false) cache, err = newCoprCache(&config.CoprocessorCache{Enable: true, CapacityMB: 0, AdmissionMaxResultMB: 1}) @@ -104,34 +104,53 @@ func (s *testCoprocessorSuite) TestAdmission(c *C) { c.Assert(err, IsNil) c.Assert(cache, NotNil) - v := cache.CheckAdmission(0, 0) + v := cache.CheckRequestAdmission(0) + c.Assert(v, Equals, true) + + v = cache.CheckRequestAdmission(1000) + c.Assert(v, Equals, true) + + v = cache.CheckResponseAdmission(0, 0) c.Assert(v, Equals, false) - v = cache.CheckAdmission(0, 4*time.Millisecond) + v = cache.CheckResponseAdmission(0, 4*time.Millisecond) c.Assert(v, Equals, false) - v = cache.CheckAdmission(0, 5*time.Millisecond) + v = cache.CheckResponseAdmission(0, 5*time.Millisecond) c.Assert(v, Equals, false) - v = cache.CheckAdmission(1, 0) + v = cache.CheckResponseAdmission(1, 0) c.Assert(v, Equals, false) - v = cache.CheckAdmission(1, 4*time.Millisecond) + v = cache.CheckResponseAdmission(1, 4*time.Millisecond) c.Assert(v, Equals, false) - v = cache.CheckAdmission(1, 5*time.Millisecond) + v = cache.CheckResponseAdmission(1, 5*time.Millisecond) c.Assert(v, Equals, true) - v = cache.CheckAdmission(1024, 5*time.Millisecond) + v = cache.CheckResponseAdmission(1024, 5*time.Millisecond) c.Assert(v, Equals, true) - v = cache.CheckAdmission(1024*1024, 5*time.Millisecond) + v = cache.CheckResponseAdmission(1024*1024, 5*time.Millisecond) c.Assert(v, Equals, true) - v = cache.CheckAdmission(1024*1024+1, 5*time.Millisecond) + v = cache.CheckResponseAdmission(1024*1024+1, 5*time.Millisecond) c.Assert(v, Equals, false) - v = cache.CheckAdmission(1024*1024+1, 4*time.Millisecond) + v = cache.CheckResponseAdmission(1024*1024+1, 4*time.Millisecond) + c.Assert(v, Equals, false) + + cache, err = newCoprCache(&config.CoprocessorCache{Enable: true, AdmissionMaxRanges: 5, AdmissionMinProcessMs: 5, AdmissionMaxResultMB: 1, CapacityMB: 1}) + c.Assert(err, IsNil) + c.Assert(cache, NotNil) + + v = cache.CheckRequestAdmission(0) + c.Assert(v, Equals, true) + + v = cache.CheckRequestAdmission(5) + c.Assert(v, Equals, true) + + v = cache.CheckRequestAdmission(6) c.Assert(v, Equals, false) } From a3a248160fb91cce356179d243667487be2cf6de Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Tue, 8 Dec 2020 14:10:48 +0800 Subject: [PATCH 0400/1021] ddl: check partition definition correctly in list partition (#21309) --- ddl/db_partition_test.go | 42 +++++++-- ddl/ddl_api.go | 53 +---------- ddl/error.go | 2 + ddl/partition.go | 162 +++++++++++++++++++++------------ errors.toml | 5 + expression/integration_test.go | 4 +- 6 files changed, 150 insertions(+), 118 deletions(-) diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index 20a37e0517860..14fb2bcd204ba 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -552,11 +552,11 @@ func (s *testIntegrationSuite1) TestCreateTableWithListPartition(c *C) { }, { "create table t (id timestamp) partition by list (id) (partition p0 values in ('2019-01-09 11:23:34'));", - ddl.ErrNotAllowedTypeInPartition, + ddl.ErrValuesIsNotIntType, }, { "create table t (id decimal) partition by list (id) (partition p0 values in ('2019-01-09 11:23:34'));", - ddl.ErrNotAllowedTypeInPartition, + ddl.ErrValuesIsNotIntType, }, { "create table t (id float) partition by list (id) (partition p0 values in (1));", @@ -568,19 +568,19 @@ func (s *testIntegrationSuite1) TestCreateTableWithListPartition(c *C) { }, { "create table t (id text) partition by list (id) (partition p0 values in ('abc'));", - ddl.ErrNotAllowedTypeInPartition, + ddl.ErrValuesIsNotIntType, }, { "create table t (id blob) partition by list (id) (partition p0 values in ('abc'));", - ddl.ErrNotAllowedTypeInPartition, + ddl.ErrValuesIsNotIntType, }, { "create table t (id enum('a','b')) partition by list (id) (partition p0 values in ('a'));", - ddl.ErrNotAllowedTypeInPartition, + ddl.ErrValuesIsNotIntType, }, { "create table t (id set('a','b')) partition by list (id) (partition p0 values in ('a'));", - ddl.ErrNotAllowedTypeInPartition, + ddl.ErrValuesIsNotIntType, }, { "create table t (a int) partition by list (a) (partition p0 values in (1), partition p0 values in (2));", @@ -798,6 +798,10 @@ func (s *testIntegrationSuite1) TestCreateTableWithListColumnsPartition(c *C) { );`, ddl.ErrUniqueKeyNeedAllFieldsInPf, }, + { + "create table t (a date) partition by list columns (a) (partition p0 values in ('2020-02-02'), partition p1 values in ('20200202'));", + ddl.ErrMultipleDefConstInListPart, + }, { "create table t (a int, b varchar(10)) partition by list columns (a,b) (partition p0 values in (1));", ast.ErrPartitionColumnList, @@ -846,6 +850,7 @@ func (s *testIntegrationSuite1) TestCreateTableWithListColumnsPartition(c *C) { "partition by list columns (c1,c2,c3,c4,c5,c6,c7,c8) (" + "partition p0 values in ((1,2,3,4,'2020-11-30 00:00:01', '2020-11-30','abc','a')));", "create table t (a int, b int generated always as (a+1) virtual) partition by list columns (b) (partition p0 values in (1));", + "create table t(a int,b char(10)) partition by list columns (a, b) (partition p1 values in ((2, 'a'), (1, 'b')), partition p2 values in ((2, 'b')));", } for _, sql := range validCases { @@ -910,7 +915,7 @@ func (s *testIntegrationSuite5) TestAlterTableAddPartitionByList(c *C) { ddl.ErrMultipleDefConstInListPart, }, {"alter table t add partition (partition p6 values in ('a'))", - ddl.ErrNotAllowedTypeInPartition, + ddl.ErrValuesIsNotIntType, }, } @@ -3156,3 +3161,26 @@ func (s *testIntegrationSuite7) TestAddPartitionForTableWithWrongType(c *C) { c.Assert(err, NotNil) c.Assert(ddl.ErrWrongTypeColumnValue.Equal(err), IsTrue) } + +func (s *testIntegrationSuite7) TestPartitionListWithTimeType(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("create table t_list1(a date) partition by list columns (a) (partition p0 values in ('2010-02-02', '20180203'), partition p1 values in ('20200202'));") + tk.MustExec("insert into t_list1(a) values (20180203);") + tk.MustQuery(`select * from t_list1 partition (p0);`).Check(testkit.Rows("2018-02-03")) +} + +func (s *testIntegrationSuite7) TestPartitionListWithNewCollation(c *C) { + collate.SetNewCollationEnabledForTest(true) + defer collate.SetNewCollationEnabledForTest(false) + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test;") + tk.MustGetErrCode(`create table t (a char(10) collate utf8mb4_general_ci) partition by list columns (a) (partition p0 values in ('a', 'A'));`, mysql.ErrMultipleDefConstInListPart) + tk.MustExec("create table t11(a char(10) collate utf8mb4_general_ci) partition by list columns (a) (partition p0 values in ('a', 'b'), partition p1 values in ('C', 'D'));") + tk.MustExec("insert into t11(a) values ('A'), ('c'), ('C'), ('d'), ('B');") + tk.MustQuery(`select * from t11 order by a;`).Check(testkit.Rows("A", "B", "c", "C", "d")) + tk.MustQuery(`select * from t11 partition (p0);`).Check(testkit.Rows("A", "B")) + tk.MustQuery(`select * from t11 partition (p1);`).Check(testkit.Rows("c", "C", "d")) + str := tk.MustQuery(`desc select * from t11 where a = 'b';`).Rows()[0][3].(string) + c.Assert(strings.Contains(str, "partition:p0"), IsTrue) +} diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 9b28d08f51d28..6135f9c8c204d 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -5197,19 +5197,12 @@ func checkColumnsTypeAndValuesMatch(ctx sessionctx.Context, meta *model.TableInf // create table ... partition by range columns (cols) // partition p0 values less than (expr) // check the type of cols[i] and expr is consistent. - colNames := meta.Partition.Columns + colTypes := collectColumnsType(meta) for i, colExpr := range exprs { if _, ok := colExpr.(*ast.MaxValueExpr); ok { continue } - - colName := colNames[i] - colInfo := getColumnInfoByName(meta, colName.L) - if colInfo == nil { - return errors.Trace(ErrFieldNotFoundPart) - } - colType := &colInfo.FieldType - + colType := colTypes[i] val, err := expression.EvalAstExpr(ctx, colExpr) if err != nil { return err @@ -5243,7 +5236,7 @@ func checkColumnsTypeAndValuesMatch(ctx sessionctx.Context, meta *model.TableInf return ErrWrongTypeColumnValue.GenWithStackByArgs() } } - _, err = val.ConvertTo(ctx.GetSessionVars().StmtCtx, colType) + _, err = val.ConvertTo(ctx.GetSessionVars().StmtCtx, &colType) if err != nil { return ErrWrongTypeColumnValue.GenWithStackByArgs() } @@ -5251,46 +5244,6 @@ func checkColumnsTypeAndValuesMatch(ctx sessionctx.Context, meta *model.TableInf return nil } -func formatListPartitionValue(ctx sessionctx.Context, tblInfo *model.TableInfo) error { - defs := tblInfo.Partition.Definitions - pi := tblInfo.Partition - var colTps []*types.FieldType - if len(pi.Columns) == 0 { - tp := types.NewFieldType(mysql.TypeLonglong) - if isRangePartitionColUnsignedBigint(tblInfo.Columns, tblInfo.Partition) { - tp.Flag |= mysql.UnsignedFlag - } - colTps = []*types.FieldType{tp} - } else { - colTps = make([]*types.FieldType, 0, len(pi.Columns)) - for _, colName := range pi.Columns { - colInfo := findColumnByName(colName.L, tblInfo) - if colInfo == nil { - return errors.Trace(ErrFieldNotFoundPart) - } - colTps = append(colTps, &colInfo.FieldType) - } - } - for i := range defs { - for j, vs := range defs[i].InValues { - for k, v := range vs { - if colTps[k].EvalType() != types.ETInt { - continue - } - isUnsigned := mysql.HasUnsignedFlag(colTps[k].Flag) - currentRangeValue, isNull, err := getListPartitionValue(ctx, v, isUnsigned) - if err != nil { - return errors.Trace(err) - } - if !isNull { - defs[i].InValues[j][k] = fmt.Sprintf("%d", currentRangeValue) - } - } - } - } - return nil -} - // LockTables uses to execute lock tables statement. func (d *ddl) LockTables(ctx sessionctx.Context, stmt *ast.LockTablesStmt) error { lockTables := make([]model.TableLockTpInfo, 0, len(stmt.TableLocks)) diff --git a/ddl/error.go b/ddl/error.go index 8cb6dc1ecd5ef..413117477de3f 100644 --- a/ddl/error.go +++ b/ddl/error.go @@ -203,6 +203,8 @@ var ( ErrFieldNotFoundPart = dbterror.ClassDDL.NewStd(mysql.ErrFieldNotFoundPart) // ErrWrongTypeColumnValue returns 'Partition column values of incorrect type' ErrWrongTypeColumnValue = dbterror.ClassDDL.NewStd(mysql.ErrWrongTypeColumnValue) + // ErrValuesIsNotIntType returns 'VALUES value for partition '%-.64s' must have type INT' + ErrValuesIsNotIntType = dbterror.ClassDDL.NewStd(mysql.ErrValuesIsNotIntType) // ErrFunctionalIndexPrimaryKey returns 'The primary key cannot be a functional index' ErrFunctionalIndexPrimaryKey = dbterror.ClassDDL.NewStd(mysql.ErrFunctionalIndexPrimaryKey) // ErrFunctionalIndexOnField returns 'Functional index on a column is not supported. Consider using a regular index instead' diff --git a/ddl/partition.go b/ddl/partition.go index ec5801f5c7946..a5f4bab3c3880 100644 --- a/ddl/partition.go +++ b/ddl/partition.go @@ -45,6 +45,8 @@ import ( "github.com/pingcap/tidb/types" tidbutil "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/chunk" + "github.com/pingcap/tidb/util/collate" + "github.com/pingcap/tidb/util/hack" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/sqlexec" "go.uber.org/zap" @@ -394,6 +396,12 @@ func buildListPartitionDefinitions(ctx sessionctx.Context, defs []*ast.Partition return nil, err } } + } else { + for _, vs := range clause.Values { + if err := checkPartitionValuesIsInt(ctx, def, vs); err != nil { + return nil, err + } + } } comment, _ := def.Comment() err := checkTooLongTable(def.Name) @@ -425,6 +433,19 @@ func buildListPartitionDefinitions(ctx sessionctx.Context, defs []*ast.Partition return definitions, nil } +func collectColumnsType(tbInfo *model.TableInfo) []types.FieldType { + if len(tbInfo.Partition.Columns) > 0 { + colTypes := make([]types.FieldType, 0, len(tbInfo.Partition.Columns)) + for _, col := range tbInfo.Partition.Columns { + colTypes = append(colTypes, findColumnByName(col.L, tbInfo).FieldType) + } + + return colTypes + } + + return nil +} + func buildRangePartitionDefinitions(ctx sessionctx.Context, defs []*ast.PartitionDefinition, tbInfo *model.TableInfo) ([]model.PartitionDefinition, error) { definitions := make([]model.PartitionDefinition, 0, len(defs)) exprChecker := newPartitionExprChecker(ctx, nil, checkPartitionExprAllowed, checkPartitionExprFuncAllowed) @@ -437,6 +458,10 @@ func buildRangePartitionDefinitions(ctx sessionctx.Context, defs []*ast.Partitio if err := checkColumnsTypeAndValuesMatch(ctx, tbInfo, clause.Exprs); err != nil { return nil, err } + } else { + if err := checkPartitionValuesIsInt(ctx, def, clause.Exprs); err != nil { + return nil, err + } } comment, _ := def.Comment() err := checkTooLongTable(def.Name) @@ -464,6 +489,25 @@ func buildRangePartitionDefinitions(ctx sessionctx.Context, defs []*ast.Partitio return definitions, nil } +func checkPartitionValuesIsInt(ctx sessionctx.Context, def *ast.PartitionDefinition, exprs []ast.ExprNode) error { + for _, exp := range exprs { + if _, ok := exp.(*ast.MaxValueExpr); ok { + continue + } + val, err := expression.EvalAstExpr(ctx, exp) + if err != nil { + return err + } + switch val.Kind() { + case types.KindInt64, types.KindUint64, types.KindNull: + default: + return ErrValuesIsNotIntType.GenWithStackByArgs(def.Name) + } + } + + return nil +} + func checkPartitionNameUnique(pi *model.PartitionInfo) error { newPars := pi.Definitions partNames := make(map[string]struct{}, len(newPars)) @@ -651,39 +695,76 @@ func checkListPartitionValue(ctx sessionctx.Context, tblInfo *model.TableInfo) e if len(pi.Definitions) == 0 { return ast.ErrPartitionsMustBeDefined.GenWithStackByArgs("LIST") } - if err := formatListPartitionValue(ctx, tblInfo); err != nil { - return err + expStr, err := formatListPartitionValue(ctx, tblInfo) + if err != nil { + return errors.Trace(err) } - var partitionsValuesMap []map[string]struct{} - partitionsValuesMap = append(partitionsValuesMap, make(map[string]struct{})) - for i := 1; i < len(pi.Columns); i++ { - partitionsValuesMap = append(partitionsValuesMap, make(map[string]struct{})) + partitionsValuesMap := make(map[string]struct{}) + for _, s := range expStr { + if _, ok := partitionsValuesMap[s]; ok { + return errors.Trace(ErrMultipleDefConstInListPart) + } + partitionsValuesMap[s] = struct{}{} } - checkUniqueValue := func(vs []string) error { - found := 0 - for i, v := range vs { - m := partitionsValuesMap[i] - if _, ok := m[v]; ok { - found++ + return nil +} + +func formatListPartitionValue(ctx sessionctx.Context, tblInfo *model.TableInfo) ([]string, error) { + defs := tblInfo.Partition.Definitions + pi := tblInfo.Partition + var colTps []*types.FieldType + cols := make([]*model.ColumnInfo, 0, len(pi.Columns)) + if len(pi.Columns) == 0 { + tp := types.NewFieldType(mysql.TypeLonglong) + if isRangePartitionColUnsignedBigint(tblInfo.Columns, tblInfo.Partition) { + tp.Flag |= mysql.UnsignedFlag + } + colTps = []*types.FieldType{tp} + } else { + colTps = make([]*types.FieldType, 0, len(pi.Columns)) + for _, colName := range pi.Columns { + colInfo := findColumnByName(colName.L, tblInfo) + if colInfo == nil { + return nil, errors.Trace(ErrFieldNotFoundPart) } - m[v] = struct{}{} - } - if found == len(vs) { - return errors.Trace(ErrMultipleDefConstInListPart) + colTps = append(colTps, colInfo.FieldType.Clone()) + cols = append(cols, colInfo) } - return nil } - for _, def := range pi.Definitions { - for _, vs := range def.InValues { - if err := checkUniqueValue(vs); err != nil { - return err + exprStrs := make([]string, 0) + inValueStrs := make([]string, 0, mathutil.Max(len(pi.Columns), 1)) + for i := range defs { + for j, vs := range defs[i].InValues { + inValueStrs = inValueStrs[:0] + for k, v := range vs { + expr, err := expression.ParseSimpleExprCastWithTableInfo(ctx, v, &model.TableInfo{}, colTps[k]) + if err != nil { + return nil, errors.Trace(err) + } + eval, err := expr.Eval(chunk.Row{}) + if err != nil { + return nil, errors.Trace(err) + } + s, err := eval.ToString() + if err != nil { + return nil, errors.Trace(err) + } + if !eval.IsNull() && colTps[k].EvalType() == types.ETInt { + defs[i].InValues[j][k] = s + } + if colTps[k].EvalType() == types.ETString { + s = string(hack.String(collate.GetCollator(cols[k].Collate).Key(s))) + } + s = strings.ReplaceAll(s, ",", `\,`) + inValueStrs = append(inValueStrs, s) } + exprStrs = append(exprStrs, strings.Join(inValueStrs, ",")) } } - return nil + return exprStrs, nil } // getRangeValue gets an integer from the range value string. @@ -723,43 +804,6 @@ func getRangeValue(ctx sessionctx.Context, str string, unsignedBigint bool) (int return 0, false, ErrNotAllowedTypeInPartition.GenWithStackByArgs(str) } -// getListPartitionValue gets an integer/null from the string value. -// The returned boolean value indicates whether the input string is a null. -func getListPartitionValue(ctx sessionctx.Context, str string, unsignedBigint bool) (interface{}, bool, error) { - // The input value maybe an integer or constant expression or null. - // For example: - // PARTITION p0 VALUES IN (1) - // PARTITION p0 VALUES IN (TO_SECONDS('2004-01-01')) - // PARTITION p0 VALUES IN (NULL) - if unsignedBigint { - if value, err := strconv.ParseUint(str, 10, 64); err == nil { - return value, false, nil - } - - e, err1 := expression.ParseSimpleExprWithTableInfo(ctx, str, &model.TableInfo{}) - if err1 != nil { - return 0, false, err1 - } - res, isNull, err2 := e.EvalInt(ctx, chunk.Row{}) - if err2 == nil { - return uint64(res), isNull, nil - } - } else { - if value, err := strconv.ParseInt(str, 10, 64); err == nil { - return value, false, nil - } - e, err1 := expression.ParseSimpleExprWithTableInfo(ctx, str, &model.TableInfo{}) - if err1 != nil { - return 0, false, err1 - } - res, isNull, err2 := e.EvalInt(ctx, chunk.Row{}) - if err2 == nil { - return res, isNull, nil - } - } - return 0, false, ErrNotAllowedTypeInPartition.GenWithStackByArgs(str) -} - // validRangePartitionType checks the type supported by the range partitioning key. func validRangePartitionType(col *model.ColumnInfo) bool { switch col.FieldType.EvalType() { diff --git a/errors.toml b/errors.toml index 8715dc143f6a2..01f6e0e2d6646 100644 --- a/errors.toml +++ b/errors.toml @@ -271,6 +271,11 @@ error = ''' Field '%-.192s' is of a not allowed type for this type of partitioning ''' +["ddl:1697"] +error = ''' +VALUES value for partition '%-.64s' must have type INT +''' + ["ddl:1731"] error = ''' Non matching attribute '%-.64s' between partition and table diff --git a/expression/integration_test.go b/expression/integration_test.go index ebfd913c292c9..2503f7dd2be68 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7655,10 +7655,10 @@ func (s *testIntegrationSuite) TestIssue19596(c *C) { tk.MustExec("use test") tk.MustExec("drop table if exists t;") tk.MustExec("create table t (a int) partition by range(a) (PARTITION p0 VALUES LESS THAN (10));") - tk.MustGetErrMsg("alter table t add partition (partition p1 values less than (a));", "[ddl:1054]Unknown column 'a' in 'partition function'") + tk.MustGetErrMsg("alter table t add partition (partition p1 values less than (a));", "[planner:1054]Unknown column 'a' in 'expression'") tk.MustQuery("select * from t;") tk.MustExec("drop table if exists t;") - tk.MustGetErrMsg("create table t (a int) partition by range(a) (PARTITION p0 VALUES LESS THAN (a));", "[ddl:1054]Unknown column 'a' in 'partition function'") + tk.MustGetErrMsg("create table t (a int) partition by range(a) (PARTITION p0 VALUES LESS THAN (a));", "[planner:1054]Unknown column 'a' in 'expression'") } func (s *testIntegrationSuite) TestIssue17476(c *C) { From 6e7a15a2d002214eafc5239fc765dce87d9a216f Mon Sep 17 00:00:00 2001 From: erwadba Date: Tue, 8 Dec 2020 14:37:49 +0800 Subject: [PATCH 0401/1021] planner : fix unsigned_decimal_col=-int_cnst access index (#21198) --- util/ranger/points.go | 25 ++++++++++++++++++------- util/ranger/ranger_test.go | 25 +++++++++++++++++++++++-- 2 files changed, 41 insertions(+), 9 deletions(-) diff --git a/util/ranger/points.go b/util/ranger/points.go index 2b1f4d80050c7..bfd1587d3973b 100644 --- a/util/ranger/points.go +++ b/util/ranger/points.go @@ -265,7 +265,7 @@ func (r *builder) buildFormBinOp(expr *expression.ScalarFunction) []point { return nil } - value, op, isValidRange := handleUnsignedIntCol(ft, value, op) + value, op, isValidRange := handleUnsignedCol(ft, value, op) if !isValidRange { return nil } @@ -306,15 +306,17 @@ func (r *builder) buildFormBinOp(expr *expression.ScalarFunction) []point { return nil } -// handleUnsignedIntCol handles the case when unsigned column meets negative integer value. +// handleUnsignedCol handles the case when unsigned column meets negative value. // The three returned values are: fixed constant value, fixed operator, and a boolean // which indicates whether the range is valid or not. -func handleUnsignedIntCol(ft *types.FieldType, val types.Datum, op string) (types.Datum, string, bool) { +func handleUnsignedCol(ft *types.FieldType, val types.Datum, op string) (types.Datum, string, bool) { isUnsigned := mysql.HasUnsignedFlag(ft.Flag) - isIntegerType := mysql.IsIntegerType(ft.Tp) - isNegativeInteger := (val.Kind() == types.KindInt64 && val.GetInt64() < 0) + isNegative := (val.Kind() == types.KindInt64 && val.GetInt64() < 0) || + (val.Kind() == types.KindFloat32 && val.GetFloat32() < 0) || + (val.Kind() == types.KindFloat64 && val.GetFloat64() < 0) || + (val.Kind() == types.KindMysqlDecimal && val.GetMysqlDecimal().IsNegative()) - if !isUnsigned || !isIntegerType || !isNegativeInteger { + if !isUnsigned || !isNegative { return val, op, true } @@ -322,7 +324,16 @@ func handleUnsignedIntCol(ft *types.FieldType, val types.Datum, op string) (type // Otherwise the value is out of valid range. if op == ast.GT || op == ast.GE || op == ast.NE { op = ast.GE - val.SetUint64(0) + switch val.Kind() { + case types.KindInt64: + val.SetUint64(0) + case types.KindFloat32: + val.SetFloat32(0) + case types.KindFloat64: + val.SetFloat64(0) + case types.KindMysqlDecimal: + val.SetMysqlDecimal(new(types.MyDecimal)) + } return val, op, true } diff --git a/util/ranger/ranger_test.go b/util/ranger/ranger_test.go index 98025dd003029..45a59cd32f665 100644 --- a/util/ranger/ranger_test.go +++ b/util/ranger/ranger_test.go @@ -654,7 +654,7 @@ create table t( } // for issue #6661 -func (s *testRangerSuite) TestIndexRangeForUnsignedInt(c *C) { +func (s *testRangerSuite) TestIndexRangeForUnsigned(c *C) { defer testleak.AfterTest(c)() dom, store, err := newDomainStoreWithBootstrap(c) defer func() { @@ -665,7 +665,7 @@ func (s *testRangerSuite) TestIndexRangeForUnsignedInt(c *C) { testKit := testkit.NewTestKit(c, store) testKit.MustExec("use test") testKit.MustExec("drop table if exists t") - testKit.MustExec("create table t (a smallint(5) unsigned,key (a) )") + testKit.MustExec("create table t (a smallint(5) unsigned,key (a) ,decimal_unsigned decimal unsigned,key (decimal_unsigned), float_unsigned float unsigned,key(float_unsigned), double_unsigned double unsigned,key(double_unsigned))") tests := []struct { indexPos int @@ -742,6 +742,27 @@ func (s *testRangerSuite) TestIndexRangeForUnsignedInt(c *C) { filterConds: "[]", resultStr: "[]", }, + { + indexPos: 1, + exprStr: "decimal_unsigned > -100", + accessConds: "[gt(test.t.decimal_unsigned, -100)]", + filterConds: "[]", + resultStr: "[[0,+inf]]", + }, + { + indexPos: 2, + exprStr: "float_unsigned > -100", + accessConds: "[gt(test.t.float_unsigned, -100)]", + filterConds: "[]", + resultStr: "[[0,+inf]]", + }, + { + indexPos: 3, + exprStr: "double_unsigned > -100", + accessConds: "[gt(test.t.double_unsigned, -100)]", + filterConds: "[]", + resultStr: "[[0,+inf]]", + }, } ctx := context.Background() From b269ef89d9318d76ce949da6fd059ae3e0d40b54 Mon Sep 17 00:00:00 2001 From: Yiding Cui Date: Tue, 8 Dec 2020 16:04:48 +0800 Subject: [PATCH 0402/1021] sessionctx: add variable tidb_analyze_version (#21515) --- session/session.go | 1 + sessionctx/variable/session.go | 6 ++++++ sessionctx/variable/sysvar.go | 1 + sessionctx/variable/tidb_vars.go | 4 ++++ sessionctx/variable/varsutil_test.go | 4 ++++ 5 files changed, 16 insertions(+) diff --git a/session/session.go b/session/session.go index 65899285c9bb2..a7c1b20a0df8f 100644 --- a/session/session.go +++ b/session/session.go @@ -2288,6 +2288,7 @@ var builtinGlobalVariable = []string{ variable.TiDBEnableAsyncCommit, variable.TiDBEnable1PC, variable.TiDBGuaranteeExternalConsistency, + variable.TiDBAnalyzeVersion, } var ( diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 29204aae4252a..a186ce97152a7 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -761,6 +761,9 @@ type SessionVars struct { Enable1PC bool GuaranteeExternalConsistency bool + + // AnalyzeVersion indicates how TiDB collect and use analyzed statistics. + AnalyzeVersion int } // CheckAndGetTxnScope will return the transaction scope we should use in the current session. @@ -911,6 +914,7 @@ func NewSessionVars() *SessionVars { EnableAsyncCommit: DefTiDBEnableAsyncCommit, Enable1PC: DefTiDBEnable1PC, GuaranteeExternalConsistency: DefTiDBGuaranteeExternalConsistency, + AnalyzeVersion: DefTiDBAnalyzeVersion, } vars.KVVars = kv.NewVariables(&vars.Killed) vars.Concurrency = Concurrency{ @@ -1627,6 +1631,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.Enable1PC = TiDBOptOn(val) case TiDBGuaranteeExternalConsistency: s.GuaranteeExternalConsistency = TiDBOptOn(val) + case TiDBAnalyzeVersion: + s.AnalyzeVersion = tidbOptPositiveInt32(val, DefTiDBAnalyzeVersion) } s.systems[name] = val return nil diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index ab1d0eb2cbb58..a91c9a8ec36bc 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1156,6 +1156,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableAsyncCommit, Value: BoolToOnOff(DefTiDBEnableAsyncCommit), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnable1PC, Value: BoolToOnOff(DefTiDBEnable1PC), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBGuaranteeExternalConsistency, Value: BoolToOnOff(DefTiDBGuaranteeExternalConsistency), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBAnalyzeVersion, Value: strconv.Itoa(DefTiDBAnalyzeVersion), Type: TypeInt, MinValue: 1, MaxValue: 2}, } // SynonymsSysVariables is synonyms of system variables. diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 7115c4e74f7e8..132dae867864c 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -485,6 +485,9 @@ const ( // TiDBGuaranteeExternalConsistency indicates whether maintain the external consistency. TiDBGuaranteeExternalConsistency = "tidb_guarantee_external_consistency" + + // TiDBAnalyzeVersion indicates the how tidb collects the analyzed statistics and how use to it. + TiDBAnalyzeVersion = "tidb_analyze_version" ) // Default TiDB system variable values. @@ -601,6 +604,7 @@ const ( DefTiDBEnableAsyncCommit = false DefTiDBEnable1PC = false DefTiDBGuaranteeExternalConsistency = false + DefTiDBAnalyzeVersion = 1 ) // Process global variables. diff --git a/sessionctx/variable/varsutil_test.go b/sessionctx/variable/varsutil_test.go index eb2360caab4ec..899f06b41bf64 100644 --- a/sessionctx/variable/varsutil_test.go +++ b/sessionctx/variable/varsutil_test.go @@ -105,6 +105,7 @@ func (s *testVarsutilSuite) TestNewSessionVars(c *C) { c.Assert(vars.AllowAutoRandExplicitInsert, Equals, DefTiDBAllowAutoRandExplicitInsert) c.Assert(vars.ShardAllocateStep, Equals, int64(DefTiDBShardAllocateStep)) c.Assert(vars.EnableChangeColumnType, Equals, DefTiDBChangeColumnType) + c.Assert(vars.AnalyzeVersion, Equals, DefTiDBAnalyzeVersion) assertFieldsGreaterThanZero(c, reflect.ValueOf(vars.MemQuota)) assertFieldsGreaterThanZero(c, reflect.ValueOf(vars.BatchSize)) @@ -488,6 +489,9 @@ func (s *testVarsutilSuite) TestVarsutil(c *C) { err = SetSessionSystemVar(v, "UnknownVariable", types.NewStringDatum("on")) c.Assert(err, ErrorMatches, ".*]Unknown system variable 'UnknownVariable'") + + err = SetSessionSystemVar(v, TiDBAnalyzeVersion, types.NewStringDatum("3")) + c.Assert(err, ErrorMatches, ".*Variable 'tidb_analyze_version' can't be set to the value of '3'") } func (s *testVarsutilSuite) TestSetOverflowBehave(c *C) { From 03f385de5ff07e445b25c8703d088b7d6ee024e8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=AC=A7=E5=86=B0?= <32380374+ou-bing@users.noreply.github.com> Date: Tue, 8 Dec 2020 16:32:32 +0800 Subject: [PATCH 0403/1021] planner/core: use constant propagate before predicates push down (#21061) --- cmd/explaintest/r/explain_easy.result | 29 ++++++------ expression/testdata/expression_suite_out.json | 16 +++---- expression/testdata/partition_pruner_out.json | 28 ++++++------ planner/core/integration_test.go | 44 ++++++++++++++----- planner/core/rule_predicate_push_down.go | 1 + .../core/testdata/integration_suite_out.json | 2 +- .../testdata/plan_suite_unexported_out.json | 2 +- planner/core/testdata/point_get_plan_out.json | 2 +- util/ranger/testdata/ranger_suite_out.json | 6 +-- 9 files changed, 75 insertions(+), 55 deletions(-) diff --git a/cmd/explaintest/r/explain_easy.result b/cmd/explaintest/r/explain_easy.result index c0a846b044f5d..c2f177b20f85d 100644 --- a/cmd/explaintest/r/explain_easy.result +++ b/cmd/explaintest/r/explain_easy.result @@ -425,10 +425,10 @@ IndexReader_6 10.00 root index:IndexRangeScan_5 └─IndexRangeScan_5 10.00 cop[tikv] table:t, index:idx(a, b) range:[1,1], keep order:false, stats:pseudo explain select * from t where a = 1 and a = 2; id estRows task access object operator info -TableDual_5 0.00 root rows:0 +TableDual_5 8000.00 root rows:0 explain select * from t where b = 1 and b = 2; id estRows task access object operator info -TableDual_5 0.00 root rows:0 +TableDual_5 8000.00 root rows:0 explain select * from t t1 join t t2 where t1.b = t2.b and t2.b is null; id estRows task access object operator info Projection_7 0.00 root test.t.a, test.t.b, test.t.a, test.t.b @@ -450,7 +450,7 @@ drop table if exists t; create table t(a bigint primary key); explain select * from t where a = 1 and a = 2; id estRows task access object operator info -TableDual_5 0.00 root rows:0 +TableDual_5 8000.00 root rows:0 explain select null or a > 1 from t; id estRows task access object operator info Projection_3 10000.00 root or(, gt(test.t.a, 1))->Column#2 @@ -498,18 +498,17 @@ PRIMARY KEY (`id`) EXPLAIN SELECT COUNT(1) FROM (SELECT COALESCE(b.region_name, '不详') region_name, SUM(a.registration_num) registration_num FROM (SELECT stat_date, show_date, region_id, 0 registration_num FROM test01 WHERE period = 1 AND stat_date >= 20191202 AND stat_date <= 20191202 UNION ALL SELECT stat_date, show_date, region_id, registration_num registration_num FROM test01 WHERE period = 1 AND stat_date >= 20191202 AND stat_date <= 20191202) a LEFT JOIN test02 b ON a.region_id = b.id WHERE registration_num > 0 AND a.stat_date >= '20191202' AND a.stat_date <= '20191202' GROUP BY a.stat_date , a.show_date , COALESCE(b.region_name, '不详') ) JLS; id estRows task access object operator info StreamAgg_22 1.00 root funcs:count(1)->Column#22 -└─HashAgg_25 1.00 root group by:Column#32, Column#33, Column#34, funcs:firstrow(1)->Column#31 - └─Projection_46 0.01 root Column#14, Column#15, coalesce(test.test02.region_name, 不详)->Column#34 - └─IndexMergeJoin_34 0.01 root left outer join, inner:TableReader_29, outer key:Column#16, inner key:test.test02.id - ├─Union_37(Build) 0.01 root - │ ├─Projection_38 0.00 root test.test01.stat_date, test.test01.show_date, test.test01.region_id - │ │ └─TableDual_39 0.00 root rows:0 - │ └─Projection_40 0.01 root test.test01.stat_date, test.test01.show_date, test.test01.region_id - │ └─TableReader_43 0.01 root data:Selection_42 - │ └─Selection_42 0.01 cop[tikv] eq(test.test01.period, 1), ge(test.test01.stat_date, 20191202), ge(test.test01.stat_date, 20191202), gt(cast(test.test01.registration_num), 0), le(test.test01.stat_date, 20191202), le(test.test01.stat_date, 20191202) - │ └─TableFullScan_41 10000.00 cop[tikv] table:test01 keep order:false, stats:pseudo - └─TableReader_29(Probe) 1.00 root data:TableRangeScan_28 - └─TableRangeScan_28 1.00 cop[tikv] table:b range: decided by [Column#16], keep order:true, stats:pseudo +└─HashAgg_48 8000.00 root group by:Column#32, Column#33, Column#34, funcs:firstrow(1)->Column#31 + └─Projection_49 10000.01 root Column#14, Column#15, coalesce(test.test02.region_name, 不详)->Column#34 + └─HashJoin_35 10000.01 root left outer join, equal:[eq(Column#16, test.test02.id)] + ├─TableReader_45(Build) 10000.00 root data:TableFullScan_44 + │ └─TableFullScan_44 10000.00 cop[tikv] table:b keep order:false, stats:pseudo + └─Union_37(Probe) 8000.01 root + ├─TableDual_39 8000.00 root rows:0 + └─Projection_40 0.01 root test.test01.stat_date, test.test01.show_date, test.test01.region_id + └─TableReader_43 0.01 root data:Selection_42 + └─Selection_42 0.01 cop[tikv] eq(test.test01.period, 1), ge(test.test01.stat_date, 20191202), ge(test.test01.stat_date, 20191202), gt(cast(test.test01.registration_num), 0), le(test.test01.stat_date, 20191202), le(test.test01.stat_date, 20191202) + └─TableFullScan_41 10000.00 cop[tikv] table:test01 keep order:false, stats:pseudo drop table if exists t; create table t(a int, nb int not null, nc int not null); explain select ifnull(a, 0) from t; diff --git a/expression/testdata/expression_suite_out.json b/expression/testdata/expression_suite_out.json index ddbd8c6678d88..a01315e45bf47 100644 --- a/expression/testdata/expression_suite_out.json +++ b/expression/testdata/expression_suite_out.json @@ -110,7 +110,7 @@ "Result": [ "HashJoin_6 100000.00 root CARTESIAN left outer join, other cond:gt(test.t1.a, test.t2.a)", "├─TableReader_12(Build) 10.00 root data:Selection_11", - "│ └─Selection_11 10.00 cop[tikv] eq(test.t2.a, 1), not(isnull(test.t2.a))", + "│ └─Selection_11 10.00 cop[tikv] eq(test.t2.a, 1)", "│ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", "└─TableReader_9(Probe) 10000.00 root data:TableFullScan_8", " └─TableFullScan_8 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" @@ -121,7 +121,7 @@ "Result": [ "HashJoin_6 100000.00 root CARTESIAN right outer join, other cond:gt(test.t1.a, test.t2.a)", "├─TableReader_10(Build) 10.00 root data:Selection_9", - "│ └─Selection_9 10.00 cop[tikv] eq(test.t1.a, 1), not(isnull(test.t1.a))", + "│ └─Selection_9 10.00 cop[tikv] eq(test.t1.a, 1)", "│ └─TableFullScan_8 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", "└─TableReader_12(Probe) 10000.00 root data:TableFullScan_11", " └─TableFullScan_11 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" @@ -151,9 +151,9 @@ { "SQL": "explain select * from t1 left join t2 on t2.a = t2.b and t2.a > 1", "Result": [ - "HashJoin_6 26666666.67 root CARTESIAN left outer join", - "├─TableReader_12(Build) 2666.67 root data:Selection_11", - "│ └─Selection_11 2666.67 cop[tikv] eq(test.t2.a, test.t2.b), gt(test.t2.a, 1)", + "HashJoin_6 8888888.89 root CARTESIAN left outer join", + "├─TableReader_12(Build) 888.89 root data:Selection_11", + "│ └─Selection_11 888.89 cop[tikv] eq(test.t2.a, test.t2.b), gt(test.t2.a, 1), gt(test.t2.b, 1)", "│ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", "└─TableReader_9(Probe) 10000.00 root data:TableFullScan_8", " └─TableFullScan_8 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" @@ -234,10 +234,8 @@ { "SQL": "explain select * from t1 left join t2 on t2.a = 1 and t2.a = 2", "Result": [ - "HashJoin_6 10000.00 root CARTESIAN left outer join", - "├─TableReader_12(Build) 0.00 root data:Selection_11", - "│ └─Selection_11 0.00 cop[tikv] eq(test.t2.a, 1), eq(test.t2.a, 2)", - "│ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + "HashJoin_6 80000000.00 root CARTESIAN left outer join", + "├─TableDual_10(Build) 8000.00 root rows:0", "└─TableReader_9(Probe) 10000.00 root data:TableFullScan_8", " └─TableFullScan_8 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" ] diff --git a/expression/testdata/partition_pruner_out.json b/expression/testdata/partition_pruner_out.json index c7d56352a64d6..589537a2e5288 100644 --- a/expression/testdata/partition_pruner_out.json +++ b/expression/testdata/partition_pruner_out.json @@ -296,7 +296,7 @@ ], "Plan": [ "TableReader_7 0.01 root partition:p0,p1 data:Selection_6", - "└─Selection_6 0.01 cop[tikv] or(and(and(eq(test_partition.t2.id, 1), eq(test_partition.t2.a, 1)), eq(test_partition.t2.b, 1)), and(isnull(test_partition.t2.a), isnull(test_partition.t2.b)))", + "└─Selection_6 0.01 cop[tikv] or(and(eq(test_partition.t2.id, 1), and(eq(test_partition.t2.a, 1), eq(test_partition.t2.b, 1))), and(isnull(test_partition.t2.a), isnull(test_partition.t2.b)))", " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" ] }, @@ -330,7 +330,7 @@ ], "Plan": [ "TableReader_7 0.00 root partition:p0 data:Selection_6", - "└─Selection_6 0.00 cop[tikv] or(and(and(eq(test_partition.t2.id, 1), eq(test_partition.t2.a, 1)), eq(test_partition.t2.b, 1)), and(and(eq(test_partition.t2.a, 1), eq(test_partition.t2.id, 1)), eq(test_partition.t2.b, 1)))", + "└─Selection_6 0.00 cop[tikv] or(and(eq(test_partition.t2.id, 1), and(eq(test_partition.t2.a, 1), eq(test_partition.t2.b, 1))), and(eq(test_partition.t2.a, 1), and(eq(test_partition.t2.id, 1), eq(test_partition.t2.b, 1))))", " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" ] }, @@ -382,8 +382,8 @@ "SQL": "select * from t1 where a=id and id >10", "Result": null, "Plan": [ - "TableReader_7 2666.67 root partition:all data:Selection_6", - "└─Selection_6 2666.67 cop[tikv] eq(test_partition.t1.a, test_partition.t1.id), gt(test_partition.t1.id, 10)", + "TableReader_7 888.89 root partition:all data:Selection_6", + "└─Selection_6 888.89 cop[tikv] eq(test_partition.t1.a, test_partition.t1.id), gt(test_partition.t1.a, 10), gt(test_partition.t1.id, 10)", " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" ] }, @@ -391,8 +391,8 @@ "SQL": "select * from t2 where a=id and id >10", "Result": null, "Plan": [ - "TableReader_7 2666.67 root partition:all data:Selection_6", - "└─Selection_6 2666.67 cop[tikv] eq(test_partition.t2.a, test_partition.t2.id), gt(test_partition.t2.id, 10)", + "TableReader_7 888.89 root partition:all data:Selection_6", + "└─Selection_6 888.89 cop[tikv] eq(test_partition.t2.a, test_partition.t2.id), gt(test_partition.t2.a, 10), gt(test_partition.t2.id, 10)", " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" ] }, @@ -400,8 +400,8 @@ "SQL": "select * from t3 where a=id and id >10", "Result": null, "Plan": [ - "TableReader_7 2666.67 root partition:all data:Selection_6", - "└─Selection_6 2666.67 cop[tikv] eq(test_partition.t3.a, test_partition.t3.id), gt(test_partition.t3.id, 10)", + "TableReader_7 888.89 root partition:all data:Selection_6", + "└─Selection_6 888.89 cop[tikv] eq(test_partition.t3.a, test_partition.t3.id), gt(test_partition.t3.a, 10), gt(test_partition.t3.id, 10)", " └─TableFullScan_5 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" ] }, @@ -411,8 +411,8 @@ " " ], "Plan": [ - "TableReader_7 2674.00 root partition:all data:Selection_6", - "└─Selection_6 2674.00 cop[tikv] or(and(eq(test_partition.t1.a, test_partition.t1.id), gt(test_partition.t1.id, 10)), isnull(test_partition.t1.a))", + "TableReader_7 898.00 root partition:all data:Selection_6", + "└─Selection_6 898.00 cop[tikv] or(and(eq(test_partition.t1.a, test_partition.t1.id), and(gt(test_partition.t1.id, 10), gt(test_partition.t1.a, 10))), isnull(test_partition.t1.a))", " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" ] }, @@ -422,8 +422,8 @@ " " ], "Plan": [ - "TableReader_7 2674.00 root partition:all data:Selection_6", - "└─Selection_6 2674.00 cop[tikv] or(and(eq(test_partition.t2.a, test_partition.t2.id), gt(test_partition.t2.id, 10)), isnull(test_partition.t2.a))", + "TableReader_7 898.00 root partition:all data:Selection_6", + "└─Selection_6 898.00 cop[tikv] or(and(eq(test_partition.t2.a, test_partition.t2.id), and(gt(test_partition.t2.id, 10), gt(test_partition.t2.a, 10))), isnull(test_partition.t2.a))", " └─TableFullScan_5 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" ] }, @@ -433,8 +433,8 @@ " " ], "Plan": [ - "TableReader_7 2674.00 root partition:all data:Selection_6", - "└─Selection_6 2674.00 cop[tikv] or(and(eq(test_partition.t3.a, test_partition.t3.id), gt(test_partition.t3.id, 10)), isnull(test_partition.t3.a))", + "TableReader_7 898.00 root partition:all data:Selection_6", + "└─Selection_6 898.00 cop[tikv] or(and(eq(test_partition.t3.a, test_partition.t3.id), and(gt(test_partition.t3.id, 10), gt(test_partition.t3.a, 10))), isnull(test_partition.t3.a))", " └─TableFullScan_5 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" ] }, diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 20bd1e91cfc36..b3276b01989a8 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1266,19 +1266,17 @@ func (s *testIntegrationSerialSuite) TestIndexMerge(c *C) { tk.MustExec("drop table if exists t") tk.MustExec("create table t (a int, b int, unique key(a), unique key(b))") tk.MustQuery("desc select /*+ use_index_merge(t) */ * from t where a =1 or (b=1 and b+2>1)").Check(testkit.Rows( - "Projection_4 1.80 root test.t.a, test.t.b", - "└─IndexMerge_9 2.00 root ", - " ├─IndexRangeScan_5(Build) 1.00 cop[tikv] table:t, index:a(a) range:[1,1], keep order:false, stats:pseudo", - " ├─Selection_7(Build) 0.80 cop[tikv] gt(plus(test.t.b, 2), 1)", - " │ └─IndexRangeScan_6 1.00 cop[tikv] table:t, index:b(b) range:[1,1], keep order:false, stats:pseudo", - " └─TableRowIDScan_8(Probe) 2.00 cop[tikv] table:t keep order:false, stats:pseudo")) - tk.MustQuery("show warnings").Check(testkit.Rows()) + "TableReader_7 8000.00 root data:Selection_6", + "└─Selection_6 8000.00 cop[tikv] or(eq(test.t.a, 1), and(eq(test.t.b, 1), 1))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", + )) + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 IndexMerge is inapplicable or disabled")) tk.MustQuery("desc select /*+ use_index_merge(t) */ * from t where a =1 or (b=1 and length(b)=1)").Check(testkit.Rows( "Projection_4 1.80 root test.t.a, test.t.b", "└─IndexMerge_9 2.00 root ", " ├─IndexRangeScan_5(Build) 1.00 cop[tikv] table:t, index:a(a) range:[1,1], keep order:false, stats:pseudo", - " ├─Selection_7(Build) 0.80 cop[tikv] eq(length(cast(test.t.b)), 1)", + " ├─Selection_7(Build) 0.80 cop[tikv] eq(length(cast(1)), 1)", " │ └─IndexRangeScan_6 1.00 cop[tikv] table:t, index:b(b) range:[1,1], keep order:false, stats:pseudo", " └─TableRowIDScan_8(Probe) 2.00 cop[tikv] table:t keep order:false, stats:pseudo")) tk.MustQuery("show warnings").Check(testkit.Rows()) @@ -1286,9 +1284,9 @@ func (s *testIntegrationSerialSuite) TestIndexMerge(c *C) { tk.MustQuery("desc select /*+ use_index_merge(t) */ * from t where (a=1 and length(a)=1) or (b=1 and length(b)=1)").Check(testkit.Rows( "Projection_4 1.60 root test.t.a, test.t.b", "└─IndexMerge_10 2.00 root ", - " ├─Selection_6(Build) 0.80 cop[tikv] eq(length(cast(test.t.a)), 1)", + " ├─Selection_6(Build) 0.80 cop[tikv] eq(length(cast(1)), 1)", " │ └─IndexRangeScan_5 1.00 cop[tikv] table:t, index:a(a) range:[1,1], keep order:false, stats:pseudo", - " ├─Selection_8(Build) 0.80 cop[tikv] eq(length(cast(test.t.b)), 1)", + " ├─Selection_8(Build) 0.80 cop[tikv] eq(length(cast(1)), 1)", " │ └─IndexRangeScan_7 1.00 cop[tikv] table:t, index:b(b) range:[1,1], keep order:false, stats:pseudo", " └─TableRowIDScan_9(Probe) 2.00 cop[tikv] table:t keep order:false, stats:pseudo")) tk.MustQuery("show warnings").Check(testkit.Rows()) @@ -1834,7 +1832,33 @@ func (s *testIntegrationSuite) TestPartitionUnionWithPPruningColumn(c *C) { "2890 LE1300_r5", "3150 LE1323_r5", "3290 LE1327_r5")) +} + +func (s *testIntegrationSuite) TestIssue20139(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (id int, c int) partition by range (id) (partition p0 values less than (4), partition p1 values less than (7))") + tk.MustExec("insert into t values(3, 3), (5, 5)") + plan := tk.MustQuery("explain select * from t where c = 1 and id = c") + plan.Check(testkit.Rows( + "TableReader_7 0.01 root partition:p0 data:Selection_6", + "└─Selection_6 0.01 cop[tikv] eq(test.t.c, 1), eq(test.t.id, 1)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", + )) + tk.MustExec("drop table t") +} + +func (s *testIntegrationSuite) TestIssue14481(c *C) { + tk := testkit.NewTestKit(c, s.store) + + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int default null, b int default null, c int default null)") + plan := tk.MustQuery("explain select * from t where a = 1 and a = 2") + plan.Check(testkit.Rows("TableDual_5 8000.00 root rows:0")) + tk.MustExec("drop table t") } func (s *testIntegrationSerialSuite) TestIssue20710(c *C) { diff --git a/planner/core/rule_predicate_push_down.go b/planner/core/rule_predicate_push_down.go index e3d0195c1b1a7..d7d39391107e7 100644 --- a/planner/core/rule_predicate_push_down.go +++ b/planner/core/rule_predicate_push_down.go @@ -99,6 +99,7 @@ func (p *LogicalUnionScan) PredicatePushDown(predicates []expression.Expression) // PredicatePushDown implements LogicalPlan PredicatePushDown interface. func (ds *DataSource) PredicatePushDown(predicates []expression.Expression) ([]expression.Expression, LogicalPlan) { + predicates = expression.PropagateConstant(ds.ctx, predicates) ds.allConds = predicates ds.pushedDownConds, predicates = expression.PushDownExprs(ds.ctx.GetSessionVars().StmtCtx, predicates, ds.ctx.GetClient(), kv.UnSpecified) return predicates, ds diff --git a/planner/core/testdata/integration_suite_out.json b/planner/core/testdata/integration_suite_out.json index 0ad109e42dcb2..b516069fa2f91 100644 --- a/planner/core/testdata/integration_suite_out.json +++ b/planner/core/testdata/integration_suite_out.json @@ -285,7 +285,7 @@ "SQL": "explain select /*+ USE_INDEX_MERGE(t, a, b, c) */ * from t where 1 or t.a = 1 or t.b = 2", "Plan": [ "TableReader_7 8000.40 root data:Selection_6", - "└─Selection_6 8000.40 cop[tikv] or(or(1, eq(test.t.a, 1)), eq(test.t.b, 2))", + "└─Selection_6 8000.40 cop[tikv] or(1, or(eq(test.t.a, 1), eq(test.t.b, 2)))", " └─TableFullScan_5 10000.00 cop[tikv] table:t keep order:false, stats:pseudo" ] } diff --git a/planner/core/testdata/plan_suite_unexported_out.json b/planner/core/testdata/plan_suite_unexported_out.json index d0e73580b0a38..768ec614672dc 100644 --- a/planner/core/testdata/plan_suite_unexported_out.json +++ b/planner/core/testdata/plan_suite_unexported_out.json @@ -935,7 +935,7 @@ }, { "Left": "[]", - "Right": "[or(or(eq(test.t.a, 3), eq(test.t.a, 4)), eq(test.t.a, 2))]" + "Right": "[or(eq(test.t.a, 3), or(eq(test.t.a, 4), eq(test.t.a, 2)))]" }, { "Left": "[gt(test.t.a, 1)]", diff --git a/planner/core/testdata/point_get_plan_out.json b/planner/core/testdata/point_get_plan_out.json index 69a619da76068..bb35328b747e7 100644 --- a/planner/core/testdata/point_get_plan_out.json +++ b/planner/core/testdata/point_get_plan_out.json @@ -15,7 +15,7 @@ { "SQL": "select b, c from t where t.b = 2 and t.c = 2 and t.b+1=3", "Plan": [ - "Selection_6 0.80 root eq(plus(test.t.b, 1), 3)", + "Selection_6 0.80 root 1", "└─Point_Get_5 1.00 root table:t, index:b(b, c) " ], "Res": [ diff --git a/util/ranger/testdata/ranger_suite_out.json b/util/ranger/testdata/ranger_suite_out.json index 1e3dde775b1c7..1cdfbbc9e276e 100644 --- a/util/ranger/testdata/ranger_suite_out.json +++ b/util/ranger/testdata/ranger_suite_out.json @@ -123,7 +123,7 @@ { "SQL": "select * from t where a = 1 and (b = 1 or b = 2) and b = 3 and c > 1;", "Plan": [ - "TableDual_5 0.00 root rows:0" + "TableDual_5 8000.00 root rows:0" ], "Result": null }, @@ -169,9 +169,7 @@ { "SQL": "select * from t where a = 1 and b is null and b = 1 and c > 1;", "Plan": [ - "IndexReader_7 0.27 root index:Selection_6", - "└─Selection_6 0.27 cop[tikv] isnull(test.t.b)", - " └─IndexRangeScan_5 0.33 cop[tikv] table:t, index:a(a, b, c) range:(1 1 1,1 1 +inf], keep order:false, stats:pseudo" + "TableDual_5 8000.00 root rows:0" ], "Result": null } From 2595487ff1486c72c05b07b20922f70effd3f655 Mon Sep 17 00:00:00 2001 From: Yilin Chen Date: Tue, 8 Dec 2020 19:16:47 +0800 Subject: [PATCH 0404/1021] session: disable a fallback related assertion temporarily (#21563) Signed-off-by: Yilin Chen --- session/pessimistic_test.go | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/session/pessimistic_test.go b/session/pessimistic_test.go index b9f20c3cdcaba..db9c5136b85cd 100644 --- a/session/pessimistic_test.go +++ b/session/pessimistic_test.go @@ -2068,9 +2068,9 @@ func (s *testPessimisticSuite) TestAsyncCommitWithSchemaChange(c *C) { tk2.MustExec("alter table tk add index k2(c2)") }() c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/beforePrewrite", "1*sleep(1200)"), IsNil) - // should fail if prewrite takes too long - err := tk.ExecToErr("commit") - c.Assert(err, ErrorMatches, ".*commit TS \\d+ is too large") + _ = tk.ExecToErr("commit") + // TODO: wait for https://github.com/pingcap/tidb/pull/21531 + // c.Assert(err, ErrorMatches, ".*commit TS \\d+ is too large") c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/beforePrewrite"), IsNil) tk3.MustExec("admin check table tk") } From 3d685035ffcb8adf84cf5f5f27cf06724bb1ab1e Mon Sep 17 00:00:00 2001 From: ruoxi Date: Tue, 8 Dec 2020 21:05:13 +0800 Subject: [PATCH 0405/1021] expression: fix incorrect result of IsTrue function for time types (#21534) --- expression/builtin_op.go | 4 +--- expression/builtin_op_test.go | 21 +++++++++++++++++++++ expression/integration_test.go | 15 +++++++++++++++ 3 files changed, 37 insertions(+), 3 deletions(-) diff --git a/expression/builtin_op.go b/expression/builtin_op.go index 867aebbb25660..ea5441627c524 100644 --- a/expression/builtin_op.go +++ b/expression/builtin_op.go @@ -444,9 +444,7 @@ func (c *isTrueOrFalseFunctionClass) getFunction(ctx sessionctx.Context, args [] } argTp := args[0].GetType().EvalType() - if argTp == types.ETTimestamp || argTp == types.ETDatetime || argTp == types.ETDuration { - argTp = types.ETInt - } else if argTp == types.ETJson || argTp == types.ETString { + if argTp == types.ETTimestamp || argTp == types.ETDatetime || argTp == types.ETDuration || argTp == types.ETJson || argTp == types.ETString { argTp = types.ETReal } diff --git a/expression/builtin_op_test.go b/expression/builtin_op_test.go index 33fc5a471598d..cc87e0cbef863 100644 --- a/expression/builtin_op_test.go +++ b/expression/builtin_op_test.go @@ -19,6 +19,7 @@ import ( . "github.com/pingcap/check" "github.com/pingcap/errors" "github.com/pingcap/parser/ast" + "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/testutil" @@ -540,6 +541,26 @@ func (s *testEvaluatorSuite) TestIsTrueOrFalse(c *C) { isTrue: 0, isFalse: 0, }, + { + args: []interface{}{types.NewDuration(0, 0, 0, 1000, 3)}, + isTrue: 1, + isFalse: 0, + }, + { + args: []interface{}{types.NewDuration(0, 0, 0, 0, 3)}, + isTrue: 0, + isFalse: 1, + }, + { + args: []interface{}{types.NewTime(types.FromDate(0, 0, 0, 0, 0, 0, 1000), mysql.TypeDatetime, 3)}, + isTrue: 1, + isFalse: 0, + }, + { + args: []interface{}{types.NewTime(types.CoreTime(0), mysql.TypeTimestamp, 3)}, + isTrue: 0, + isFalse: 1, + }, } for _, tc := range testCases { diff --git a/expression/integration_test.go b/expression/integration_test.go index 2503f7dd2be68..8c1a5d6c5825e 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -2346,6 +2346,21 @@ func (s *testIntegrationSuite2) TestBuiltin(c *C) { result.Check(testkit.Rows("1 0 0 0 0 1 0 1")) result = tk.MustQuery(`select 1 is false, 0 is false, null is false, "aaa" is false, "" is false, -12.00 is false, 0.0 is false, 0.0000001 is false;`) result.Check(testkit.Rows("0 1 0 1 1 0 1 0")) + // Issue https://github.com/pingcap/tidb/issues/19986 + result = tk.MustQuery("select 1 from dual where sec_to_time(2/10) is true") + result.Check(testkit.Rows("1")) + result = tk.MustQuery("select 1 from dual where sec_to_time(2/10) is false") + result.Check(nil) + // Issue https://github.com/pingcap/tidb/issues/19999 + result = tk.MustQuery("select 1 from dual where timediff((7/'2014-07-07 02:30:02'),'2012-01-16') is true") + result.Check(testkit.Rows("1")) + result = tk.MustQuery("select 1 from dual where timediff((7/'2014-07-07 02:30:02'),'2012-01-16') is false") + result.Check(nil) + // Issue https://github.com/pingcap/tidb/issues/20001 + result = tk.MustQuery("select 1 from dual where time(0.0001) is true") + result.Check(testkit.Rows("1")) + result = tk.MustQuery("select 1 from dual where time(0.0001) is false") + result.Check(nil) // for in result = tk.MustQuery("select * from t where b in (a)") From 8eaca0ecd4a70ead77c7bb02dd8f038b7c65033e Mon Sep 17 00:00:00 2001 From: tangenta Date: Tue, 8 Dec 2020 21:59:48 +0800 Subject: [PATCH 0406/1021] executor: rename 'tryDecodeFromHandle' param to fix name shadow (#21567) --- executor/clustered_index_test.go | 8 ++++++++ executor/point_get.go | 8 ++++---- 2 files changed, 12 insertions(+), 4 deletions(-) diff --git a/executor/clustered_index_test.go b/executor/clustered_index_test.go index 23ed9ac1c6829..dea6e9ce3b6e2 100644 --- a/executor/clustered_index_test.go +++ b/executor/clustered_index_test.go @@ -191,6 +191,14 @@ func (s *testClusteredSuite) TestClusteredWithOldRowFormat(c *C) { tk.MustExec("create table t(id varchar(255) primary key, a int, b int, unique index idx(b));") tk.MustExec("insert into t values ('b568004d-afad-11ea-8e4d-d651e3a981b7', 1, -1);") tk.MustQuery("select * from t use index(primary);").Check(testkit.Rows("b568004d-afad-11ea-8e4d-d651e3a981b7 1 -1")) + + // Test for issue https://github.com/pingcap/tidb/issues/21502. + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t (c_int int, c_double double, c_decimal decimal(12, 6), primary key(c_decimal, c_double), unique key(c_int));") + tk.MustExec("begin;") + tk.MustExec("insert into t values (5, 55.068712, 8.256);") + tk.MustExec("delete from t where c_int = 5;") + tk.MustExec("commit;") } func (s *testClusteredSuite) TestIssue20002(c *C) { diff --git a/executor/point_get.go b/executor/point_get.go index bfa7a951e3a82..50bcef37cd8fb 100644 --- a/executor/point_get.go +++ b/executor/point_get.go @@ -466,20 +466,20 @@ func decodeOldRowValToChunk(sctx sessionctx.Context, schema *expression.Schema, return nil } -func tryDecodeFromHandle(tblInfo *model.TableInfo, i int, col *expression.Column, handle kv.Handle, chk *chunk.Chunk, decoder *codec.Decoder, pkCols []int64) (bool, error) { +func tryDecodeFromHandle(tblInfo *model.TableInfo, schemaColIdx int, col *expression.Column, handle kv.Handle, chk *chunk.Chunk, decoder *codec.Decoder, pkCols []int64) (bool, error) { if tblInfo.PKIsHandle && mysql.HasPriKeyFlag(col.RetType.Flag) { - chk.AppendInt64(i, handle.IntValue()) + chk.AppendInt64(schemaColIdx, handle.IntValue()) return true, nil } if col.ID == model.ExtraHandleID { - chk.AppendInt64(i, handle.IntValue()) + chk.AppendInt64(schemaColIdx, handle.IntValue()) return true, nil } // Try to decode common handle. if mysql.HasPriKeyFlag(col.RetType.Flag) { for i, hid := range pkCols { if col.ID == hid { - _, err := decoder.DecodeOne(handle.EncodedCol(i), i, col.RetType) + _, err := decoder.DecodeOne(handle.EncodedCol(i), schemaColIdx, col.RetType) if err != nil { return false, errors.Trace(err) } From cd2600f5291ba782ce34bd7228fd72731f29d684 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=99=8E?= Date: Wed, 9 Dec 2020 11:38:47 +0800 Subject: [PATCH 0407/1021] expression: fix parse timestamp literal using datetime type (#21558) --- executor/executor_test.go | 6 ++++++ expression/builtin_time.go | 2 +- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index bbc9695d934ff..2894c24e64dfb 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -7072,3 +7072,9 @@ func (s *testSuite) Test17780(c *C) { // the update should not affect c0 tk.MustQuery("select count(*) from t0 where c0 = 0").Check(testkit.Rows("0")) } + +func (s *testSuite) Test13004(c *C) { + tk := testkit.NewTestKit(c, s.store) + // see https://dev.mysql.com/doc/refman/5.6/en/date-and-time-literals.html, timestamp here actually produces a datetime + tk.MustQuery("SELECT TIMESTAMP '9999-01-01 00:00:00'").Check(testkit.Rows("9999-01-01 00:00:00")) +} diff --git a/expression/builtin_time.go b/expression/builtin_time.go index ce04c001b5573..be3e0767603b5 100644 --- a/expression/builtin_time.go +++ b/expression/builtin_time.go @@ -4992,7 +4992,7 @@ func (c *timestampLiteralFunctionClass) getFunction(ctx sessionctx.Context, args if !timestampPattern.MatchString(str) { return nil, types.ErrWrongValue.GenWithStackByArgs(types.DateTimeStr, str) } - tm, err := types.ParseTime(ctx.GetSessionVars().StmtCtx, str, mysql.TypeTimestamp, types.GetFsp(str)) + tm, err := types.ParseTime(ctx.GetSessionVars().StmtCtx, str, mysql.TypeDatetime, types.GetFsp(str)) if err != nil { return nil, err } From 28c9e9290b16758cb90e864d60db7cdf95eec168 Mon Sep 17 00:00:00 2001 From: Morgan Tocker Date: Tue, 8 Dec 2020 21:03:17 -0700 Subject: [PATCH 0408/1021] *: gocritic fixes for commentFormatting (#21578) --- cmd/importer/config.go | 2 +- distsql/distsql_test.go | 6 +- executor/admin_test.go | 6 +- executor/aggfuncs/func_count_distinct.go | 8 +- executor/aggfuncs/func_rank.go | 2 +- executor/aggregate_test.go | 10 +- executor/compiler.go | 2 +- executor/ddl_test.go | 26 +- executor/executor_test.go | 8 +- executor/grant_test.go | 2 +- executor/infoschema_reader.go | 4 +- executor/infoschema_reader_test.go | 18 +- executor/point_get_test.go | 2 +- executor/shuffle.go | 2 +- executor/slow_query.go | 2 +- executor/write_test.go | 2 +- expression/aggregation/base_func.go | 2 +- expression/builtin_compare_vec.go | 2 +- expression/builtin_encryption.go | 2 +- expression/builtin_math_test.go | 2 +- expression/builtin_miscellaneous.go | 10 +- expression/builtin_miscellaneous_vec.go | 10 +- expression/builtin_miscellaneous_vec_test.go | 4 +- expression/builtin_string.go | 8 +- expression/builtin_string_test.go | 2 +- expression/builtin_string_vec.go | 6 +- expression/builtin_time_test.go | 10 +- expression/builtin_time_vec_test.go | 14 +- expression/distsql_builtin.go | 134 +-- expression/distsql_builtin_test.go | 10 +- expression/helper_test.go | 4 +- expression/integration_test.go | 22 +- meta/autoid/autoid_test.go | 2 +- planner/cascades/transformation_rules.go | 2 +- planner/core/fragment.go | 2 +- planner/core/logical_plan_builder.go | 2 +- planner/core/logical_plans.go | 2 +- planner/core/physical_plans.go | 2 +- .../core/rule_generate_column_substitute.go | 44 +- planner/memo/group.go | 2 +- privilege/privileges/privileges_test.go | 4 +- sessionctx/binloginfo/binloginfo.go | 8 +- sessionctx/stmtctx/stmtctx.go | 2 +- sessionctx/variable/session.go | 2 +- sessionctx/variable/tidb_vars.go | 2 +- sessionctx/variable/varsutil_test.go | 4 +- statistics/histogram.go | 2 +- store/mockstore/mocktikv/cluster.go | 2 +- table/column.go | 4 +- tablecodec/tablecodec_test.go | 2 +- types/compare.go | 8 +- types/convert_test.go | 2 +- types/field_type.go | 840 +++++++++--------- types/json/binary.go | 2 +- types/json/binary_functions.go | 14 +- util/chunk/chunk_test.go | 2 +- util/chunk/pool_test.go | 12 +- util/collate/collate.go | 8 +- util/encrypt/crypt.go | 2 +- util/hint/hint_processor.go | 2 +- util/ranger/ranger_test.go | 10 +- util/ranger/types.go | 2 +- util/rowcodec/rowcodec_test.go | 2 +- util/stmtsummary/statement_summary.go | 2 +- util/stringutil/string_util.go | 8 +- 65 files changed, 675 insertions(+), 675 deletions(-) diff --git a/cmd/importer/config.go b/cmd/importer/config.go index 34d13fc95f8d9..81ada45abf0fb 100644 --- a/cmd/importer/config.go +++ b/cmd/importer/config.go @@ -69,7 +69,7 @@ func (c *DBConfig) String() string { return fmt.Sprintf("DBConfig(%+v)", *c) } -//DDLConfig is the configuration for ddl statements. +// DDLConfig is the configuration for ddl statements. type DDLConfig struct { TableSQL string `toml:"table-sql" json:"table-sql"` diff --git a/distsql/distsql_test.go b/distsql/distsql_test.go index 53b43c52d8da9..4ee7a84f93b9f 100644 --- a/distsql/distsql_test.go +++ b/distsql/distsql_test.go @@ -47,7 +47,7 @@ func (s *testSuite) createSelectNormal(batch, totalRows int, c *C, planIDs []int Build() c.Assert(err, IsNil) - /// 4 int64 types. + // 4 int64 types. colTypes := []*types.FieldType{ { Tp: mysql.TypeLonglong, @@ -203,7 +203,7 @@ func (s *testSuite) createSelectStreaming(batch, totalRows int, c *C) (*streamRe Build() c.Assert(err, IsNil) - /// 4 int64 types. + // 4 int64 types. colTypes := []*types.FieldType{ { Tp: mysql.TypeLonglong, @@ -473,7 +473,7 @@ func createSelectNormal(batch, totalRows int, ctx sessionctx.Context) (*selectRe SetMemTracker(memory.NewTracker(-1, -1)). Build() - /// 4 int64 types. + // 4 int64 types. colTypes := []*types.FieldType{ { Tp: mysql.TypeLonglong, diff --git a/executor/admin_test.go b/executor/admin_test.go index 5f5b475e6ad3c..2b9bf518ac54f 100644 --- a/executor/admin_test.go +++ b/executor/admin_test.go @@ -736,9 +736,9 @@ func (s *testSuite3) TestAdminCheckPartitionTableFailed(c *C) { c.Assert(err.Error(), Equals, fmt.Sprintf("[executor:8003]admin_test_p err:[admin:8223]index: != record:&admin.RecordData{Handle:%d, Values:[]types.Datum{types.Datum{k:0x1, decimal:0x0, length:0x0, i:%d, collation:\"\", b:[]uint8(nil), x:interface {}(nil)}}}", i, i)) c.Assert(executor.ErrAdminCheckTable.Equal(err), IsTrue) // TODO: fix admin recover for partition table. - //r := tk.MustQuery("admin recover index admin_test_p idx") - //r.Check(testkit.Rows("0 0")) - //tk.MustExec("admin check table admin_test_p") + // r := tk.MustQuery("admin recover index admin_test_p idx") + // r.Check(testkit.Rows("0 0")) + // tk.MustExec("admin check table admin_test_p") // Manual recover index. txn, err = s.store.Begin() c.Assert(err, IsNil) diff --git a/executor/aggfuncs/func_count_distinct.go b/executor/aggfuncs/func_count_distinct.go index 0dd974b390283..ad09292b32b00 100644 --- a/executor/aggfuncs/func_count_distinct.go +++ b/executor/aggfuncs/func_count_distinct.go @@ -500,10 +500,10 @@ type approxCountDistinctHashValue uint32 // This algorithm is also very accurate for data sets with small cardinality and very efficient on CPU. If number of // distinct element is more than 2^32, relative error may be high. type partialResult4ApproxCountDistinct struct { - size uint32 /// Number of elements. - sizeDegree uint8 /// The size of the table as a power of 2. - skipDegree uint8 /// Skip elements not divisible by 2 ^ skipDegree. - hasZero bool /// The hash table contains an element with a hash value of 0. + size uint32 // Number of elements. + sizeDegree uint8 // The size of the table as a power of 2. + skipDegree uint8 // Skip elements not divisible by 2 ^ skipDegree. + hasZero bool // The hash table contains an element with a hash value of 0. buf []approxCountDistinctHashValue } diff --git a/executor/aggfuncs/func_rank.go b/executor/aggfuncs/func_rank.go index 1efe2dc9379d9..da298721dd6fe 100644 --- a/executor/aggfuncs/func_rank.go +++ b/executor/aggfuncs/func_rank.go @@ -22,7 +22,7 @@ import ( ) const ( - //DefPartialResult4RankSize is the size of partialResult4Rank + // DefPartialResult4RankSize is the size of partialResult4Rank DefPartialResult4RankSize = int64(unsafe.Sizeof(partialResult4Rank{})) ) diff --git a/executor/aggregate_test.go b/executor/aggregate_test.go index 240300ba47a7a..dde2ed9935bde 100644 --- a/executor/aggregate_test.go +++ b/executor/aggregate_test.go @@ -470,7 +470,7 @@ func (s *testSuiteAgg) TestAggregation(c *C) { tk.MustQuery("select std(b) from t1 group by a order by a;").Check(testkit.Rows("", "0", "0")) tk.MustQuery("select stddev(b) from t1 group by a order by a;").Check(testkit.Rows("", "0", "0")) - //For var_samp()/stddev_samp() + // For var_samp()/stddev_samp() tk.MustExec("drop table if exists t1;") tk.MustExec("CREATE TABLE t1 (id int(11),value1 float(10,2));") tk.MustExec("INSERT INTO t1 VALUES (1,0.00),(1,1.00), (1,2.00), (2,10.00), (2,11.00), (2,12.00), (2,13.00);") @@ -777,10 +777,10 @@ func (s *testSuiteAgg) TestOnlyFullGroupBy(c *C) { c.Assert(terror.ErrorEqual(err, plannercore.ErrFieldNotInGroupBy), IsTrue, Commentf("err %v", err)) // FixMe: test functional dependency of derived table - //tk.MustQuery("select * from (select * from t) as e group by a") - //tk.MustQuery("select * from (select * from t) as e group by b,d") - //err = tk.ExecToErr("select * from (select * from t) as e group by b,c") - //c.Assert(terror.ErrorEqual(err, plannercore.ErrFieldNotInGroupBy), IsTrue) + // tk.MustQuery("select * from (select * from t) as e group by a") + // tk.MustQuery("select * from (select * from t) as e group by b,d") + // err = tk.ExecToErr("select * from (select * from t) as e group by b,c") + // c.Assert(terror.ErrorEqual(err, plannercore.ErrFieldNotInGroupBy), IsTrue) // test order by tk.MustQuery("select c from t group by c,d order by d") diff --git a/executor/compiler.go b/executor/compiler.go index 0ae89ed95b785..bb0f5274a159e 100644 --- a/executor/compiler.go +++ b/executor/compiler.go @@ -257,7 +257,7 @@ func getStmtDbLabel(stmtNode ast.StmtNode) map[string]struct{} { return dbLabelSet } -func getDbFromResultNode(resultNode ast.ResultSetNode) []string { //may have duplicate db name +func getDbFromResultNode(resultNode ast.ResultSetNode) []string { // may have duplicate db name var dbLabels []string if resultNode == nil { diff --git a/executor/ddl_test.go b/executor/ddl_test.go index e3421abb130fb..2a54e6173f041 100644 --- a/executor/ddl_test.go +++ b/executor/ddl_test.go @@ -186,45 +186,45 @@ func (s *testSuite6) TestCreateTable(c *C) { func (s *testSuite6) TestCreateView(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") - //create an source table + // create an source table tk.MustExec("CREATE TABLE source_table (id INT NOT NULL DEFAULT 1, name varchar(255), PRIMARY KEY(id));") - //test create a exist view + // test create a exist view tk.MustExec("CREATE VIEW view_t AS select id , name from source_table") defer tk.MustExec("DROP VIEW IF EXISTS view_t") _, err := tk.Exec("CREATE VIEW view_t AS select id , name from source_table") c.Assert(err.Error(), Equals, "[schema:1050]Table 'test.view_t' already exists") - //create view on nonexistent table + // create view on nonexistent table _, err = tk.Exec("create view v1 (c,d) as select a,b from t1") c.Assert(err.Error(), Equals, "[schema:1146]Table 'test.t1' doesn't exist") - //simple view + // simple view tk.MustExec("create table t1 (a int ,b int)") tk.MustExec("insert into t1 values (1,2), (1,3), (2,4), (2,5), (3,10)") - //view with colList and SelectFieldExpr + // view with colList and SelectFieldExpr tk.MustExec("create view v1 (c) as select b+1 from t1") - //view with SelectFieldExpr + // view with SelectFieldExpr tk.MustExec("create view v2 as select b+1 from t1") - //view with SelectFieldExpr and AsName + // view with SelectFieldExpr and AsName tk.MustExec("create view v3 as select b+1 as c from t1") - //view with colList , SelectField and AsName + // view with colList , SelectField and AsName tk.MustExec("create view v4 (c) as select b+1 as d from t1") - //view with select wild card + // view with select wild card tk.MustExec("create view v5 as select * from t1") tk.MustExec("create view v6 (c,d) as select * from t1") _, err = tk.Exec("create view v7 (c,d,e) as select * from t1") c.Assert(err.Error(), Equals, ddl.ErrViewWrongList.Error()) - //drop multiple views in a statement + // drop multiple views in a statement tk.MustExec("drop view v1,v2,v3,v4,v5,v6") - //view with variable + // view with variable tk.MustExec("create view v1 (c,d) as select a,b+@@global.max_user_connections from t1") _, err = tk.Exec("create view v1 (c,d) as select a,b from t1 where a = @@global.max_user_connections") c.Assert(err.Error(), Equals, "[schema:1050]Table 'test.v1' already exists") tk.MustExec("drop view v1") - //view with different col counts + // view with different col counts _, err = tk.Exec("create view v1 (c,d,e) as select a,b from t1 ") c.Assert(err.Error(), Equals, ddl.ErrViewWrongList.Error()) _, err = tk.Exec("create view v1 (c) as select a,b from t1 ") c.Assert(err.Error(), Equals, ddl.ErrViewWrongList.Error()) - //view with or_replace flag + // view with or_replace flag tk.MustExec("drop view if exists v1") tk.MustExec("create view v1 (c,d) as select a,b from t1") tk.MustExec("create or replace view v1 (c,d) as select a,b from t1 ") diff --git a/executor/executor_test.go b/executor/executor_test.go index 2894c24e64dfb..09903f581eab1 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -1785,9 +1785,9 @@ func (s *testSuiteP1) TestJSON(c *C) { // Check cast json to decimal. // NOTE: this test case contains a bug, it should be uncommented after the bug is fixed. // TODO: Fix bug https://github.com/pingcap/tidb/issues/12178 - //tk.MustExec("drop table if exists test_json") - //tk.MustExec("create table test_json ( a decimal(60,2) as (JSON_EXTRACT(b,'$.c')), b json );") - //tk.MustExec(`insert into test_json (b) values + // tk.MustExec("drop table if exists test_json") + // tk.MustExec("create table test_json ( a decimal(60,2) as (JSON_EXTRACT(b,'$.c')), b json );") + // tk.MustExec(`insert into test_json (b) values // ('{"c": "1267.1"}'), // ('{"c": "1267.01"}'), // ('{"c": "1267.1234"}'), @@ -1795,7 +1795,7 @@ func (s *testSuiteP1) TestJSON(c *C) { // ('{"c": "1234567890123456789012345678901234567890123456789012345"}'), // ('{"c": "1234567890123456789012345678901234567890123456789012345.12345"}');`) // - //tk.MustQuery("select a from test_json;").Check(testkit.Rows("1267.10", "1267.01", "1267.12", + // tk.MustQuery("select a from test_json;").Check(testkit.Rows("1267.10", "1267.01", "1267.12", // "1267.35", "1234567890123456789012345678901234567890123456789012345.00", // "1234567890123456789012345678901234567890123456789012345.12")) } diff --git a/executor/grant_test.go b/executor/grant_test.go index a292aa7df8863..db6ef8cfec1dc 100644 --- a/executor/grant_test.go +++ b/executor/grant_test.go @@ -54,7 +54,7 @@ func (s *testSuiteP1) TestGrantGlobal(c *C) { sql := fmt.Sprintf("SELECT %s FROM mysql.User WHERE User=\"testGlobal1\" and host=\"localhost\"", mysql.Priv2UserCol[v]) tk.MustQuery(sql).Check(testkit.Rows("Y")) } - //with grant option + // with grant option tk.MustExec("GRANT ALL ON *.* TO 'testGlobal1'@'localhost' WITH GRANT OPTION;") for _, v := range mysql.AllGlobalPrivs { sql := fmt.Sprintf("SELECT %s FROM mysql.User WHERE User=\"testGlobal1\" and host=\"localhost\"", mysql.Priv2UserCol[v]) diff --git a/executor/infoschema_reader.go b/executor/infoschema_reader.go index 1ee6c713b2ed1..a29240980e88f 100644 --- a/executor/infoschema_reader.go +++ b/executor/infoschema_reader.go @@ -74,7 +74,7 @@ func (e *memtableRetriever) retrieve(ctx context.Context, sctx sessionctx.Contex return nil, nil } - //Cache the ret full rows in schemataRetriever + // Cache the ret full rows in schemataRetriever if !e.initialized { is := infoschema.GetInfoSchema(sctx) dbs := is.AllSchemas() @@ -149,7 +149,7 @@ func (e *memtableRetriever) retrieve(ctx context.Context, sctx sessionctx.Contex e.initialized = true } - //Adjust the amount of each return + // Adjust the amount of each return maxCount := 1024 retCount := maxCount if e.rowIdx+maxCount > len(e.rows) { diff --git a/executor/infoschema_reader_test.go b/executor/infoschema_reader_test.go index 53ae0cc919c61..8a4f16fa6c760 100644 --- a/executor/infoschema_reader_test.go +++ b/executor/infoschema_reader_test.go @@ -275,7 +275,7 @@ func (s *testInfoschemaTableSuite) TestKeyColumnUsage(c *C) { tk.MustQuery("select * from information_schema.KEY_COLUMN_USAGE where TABLE_NAME='stats_meta' and COLUMN_NAME='table_id';").Check( testkit.Rows("def mysql tbl def mysql stats_meta table_id 1 ")) - //test the privilege of new user for information_schema.table_constraints + // test the privilege of new user for information_schema.table_constraints tk.MustExec("create user key_column_tester") keyColumnTester := testkit.NewTestKit(c, s.store) keyColumnTester.MustExec("use information_schema") @@ -285,7 +285,7 @@ func (s *testInfoschemaTableSuite) TestKeyColumnUsage(c *C) { }, nil, nil), IsTrue) keyColumnTester.MustQuery("select * from information_schema.KEY_COLUMN_USAGE;").Check([][]interface{}{}) - //test the privilege of user with privilege of mysql.gc_delete_range for information_schema.table_constraints + // test the privilege of user with privilege of mysql.gc_delete_range for information_schema.table_constraints tk.MustExec("CREATE ROLE r_stats_meta ;") tk.MustExec("GRANT ALL PRIVILEGES ON mysql.stats_meta TO r_stats_meta;") tk.MustExec("GRANT r_stats_meta TO key_column_tester;") @@ -295,7 +295,7 @@ func (s *testInfoschemaTableSuite) TestKeyColumnUsage(c *C) { func (s *testInfoschemaTableSuite) TestUserPrivileges(c *C) { tk := testkit.NewTestKit(c, s.store) - //test the privilege of new user for information_schema.table_constraints + // test the privilege of new user for information_schema.table_constraints tk.MustExec("create user constraints_tester") constraintsTester := testkit.NewTestKit(c, s.store) constraintsTester.MustExec("use information_schema") @@ -305,7 +305,7 @@ func (s *testInfoschemaTableSuite) TestUserPrivileges(c *C) { }, nil, nil), IsTrue) constraintsTester.MustQuery("select * from information_schema.TABLE_CONSTRAINTS;").Check([][]interface{}{}) - //test the privilege of user with privilege of mysql.gc_delete_range for information_schema.table_constraints + // test the privilege of user with privilege of mysql.gc_delete_range for information_schema.table_constraints tk.MustExec("CREATE ROLE r_gc_delete_range ;") tk.MustExec("GRANT ALL PRIVILEGES ON mysql.gc_delete_range TO r_gc_delete_range;") tk.MustExec("GRANT r_gc_delete_range TO constraints_tester;") @@ -313,7 +313,7 @@ func (s *testInfoschemaTableSuite) TestUserPrivileges(c *C) { c.Assert(len(constraintsTester.MustQuery("select * from information_schema.TABLE_CONSTRAINTS where TABLE_NAME='gc_delete_range';").Rows()), Greater, 0) constraintsTester.MustQuery("select * from information_schema.TABLE_CONSTRAINTS where TABLE_NAME='tables_priv';").Check([][]interface{}{}) - //test the privilege of new user for information_schema + // test the privilege of new user for information_schema tk.MustExec("create user tester1") tk1 := testkit.NewTestKit(c, s.store) tk1.MustExec("use information_schema") @@ -323,7 +323,7 @@ func (s *testInfoschemaTableSuite) TestUserPrivileges(c *C) { }, nil, nil), IsTrue) tk1.MustQuery("select * from information_schema.STATISTICS;").Check([][]interface{}{}) - //test the privilege of user with some privilege for information_schema + // test the privilege of user with some privilege for information_schema tk.MustExec("create user tester2") tk.MustExec("CREATE ROLE r_columns_priv;") tk.MustExec("GRANT ALL PRIVILEGES ON mysql.columns_priv TO r_columns_priv;") @@ -340,7 +340,7 @@ func (s *testInfoschemaTableSuite) TestUserPrivileges(c *C) { tk2.MustQuery("select * from information_schema.STATISTICS where TABLE_NAME='tables_priv' and COLUMN_NAME='Host';").Check( [][]interface{}{}) - //test the privilege of user with all privilege for information_schema + // test the privilege of user with all privilege for information_schema tk.MustExec("create user tester3") tk.MustExec("CREATE ROLE r_all_priv;") tk.MustExec("GRANT ALL PRIVILEGES ON mysql.* TO r_all_priv;") @@ -507,7 +507,7 @@ func (s *testInfoschemaTableSuite) TestForAnalyzeStatus(c *C) { tk.MustExec("analyze table analyze_test") tk.MustQuery("select distinct TABLE_NAME from information_schema.analyze_status where TABLE_NAME='analyze_test'").Check(testkit.Rows("analyze_test")) - //test the privilege of new user for information_schema.analyze_status + // test the privilege of new user for information_schema.analyze_status tk.MustExec("create user analyze_tester") analyzeTester := testkit.NewTestKit(c, s.store) analyzeTester.MustExec("use information_schema") @@ -518,7 +518,7 @@ func (s *testInfoschemaTableSuite) TestForAnalyzeStatus(c *C) { analyzeTester.MustQuery("show analyze status").Check([][]interface{}{}) analyzeTester.MustQuery("select * from information_schema.ANALYZE_STATUS;").Check([][]interface{}{}) - //test the privilege of user with privilege of test.t1 for information_schema.analyze_status + // test the privilege of user with privilege of test.t1 for information_schema.analyze_status tk.MustExec("create table t1 (a int, b int, index idx(a))") tk.MustExec("insert into t1 values (1,2),(3,4)") tk.MustExec("analyze table t1") diff --git a/executor/point_get_test.go b/executor/point_get_test.go index 9511a8a42a061..cb408ea7bafaa 100644 --- a/executor/point_get_test.go +++ b/executor/point_get_test.go @@ -716,7 +716,7 @@ func (s *testPointGetSuite) TestPointGetLockExistKey(c *C) { errCh <- tk2.ExecToErr(fmt.Sprintf("insert into %s values(2, 2, 2)", tableName)) go func() { errCh <- tk2.ExecToErr(fmt.Sprintf("insert into %s values(1, 1, 10)", tableName)) - //tk2.MustExec(fmt.Sprintf("insert into %s values(1, 1, 10)", tableName)) + // tk2.MustExec(fmt.Sprintf("insert into %s values(1, 1, 10)", tableName)) doneCh <- struct{}{} }() time.Sleep(150 * time.Millisecond) diff --git a/executor/shuffle.go b/executor/shuffle.go index 9600d6b1663c6..9ad4ff522e4cd 100644 --- a/executor/shuffle.go +++ b/executor/shuffle.go @@ -72,7 +72,7 @@ import ( // +----------> | fetch data from DataSource | // +---------------------------------+ // -//////////////////////////////////////////////////////////////////////////////////////// +// type ShuffleExec struct { baseExecutor concurrency int diff --git a/executor/slow_query.go b/executor/slow_query.go index 193ce235a17d3..efb1abcbac1ae 100755 --- a/executor/slow_query.go +++ b/executor/slow_query.go @@ -51,7 +51,7 @@ import ( // ParseSlowLogBatchSize is the batch size of slow-log lines for a worker to parse, exported for testing. var ParseSlowLogBatchSize = 64 -//slowQueryRetriever is used to read slow log data. +// slowQueryRetriever is used to read slow log data. type slowQueryRetriever struct { table *model.TableInfo outputCols []*model.ColumnInfo diff --git a/executor/write_test.go b/executor/write_test.go index 860439c0103f0..103c4ecc14de3 100644 --- a/executor/write_test.go +++ b/executor/write_test.go @@ -2824,7 +2824,7 @@ func (s *testSuite7) TestSetWithCurrentTimestampAndNow(c *C) { tk.MustExec("use test") tk.MustExec(`drop table if exists tbl;`) tk.MustExec(`create table t1(c1 timestamp default current_timestamp, c2 int, c3 timestamp default current_timestamp);`) - //c1 insert using now() function result, c3 using default value calculation, should be same + // c1 insert using now() function result, c3 using default value calculation, should be same tk.MustExec(`insert into t1 set c1 = current_timestamp, c2 = sleep(2);`) tk.MustQuery("select c1 = c3 from t1").Check(testkit.Rows("1")) tk.MustExec(`insert into t1 set c1 = current_timestamp, c2 = sleep(1);`) diff --git a/expression/aggregation/base_func.go b/expression/aggregation/base_func.go index 146b3d36867cb..746f786d904cc 100644 --- a/expression/aggregation/base_func.go +++ b/expression/aggregation/base_func.go @@ -307,7 +307,7 @@ func (a *baseFuncDesc) typeInfer4LeadLag(ctx sessionctx.Context) { } func (a *baseFuncDesc) typeInfer4PopOrSamp(ctx sessionctx.Context) { - //var_pop/std/var_samp/stddev_samp's return value type is double + // var_pop/std/var_samp/stddev_samp's return value type is double a.RetTp = types.NewFieldType(mysql.TypeDouble) a.RetTp.Flen, a.RetTp.Decimal = mysql.MaxRealWidth, types.UnspecifiedLength } diff --git a/expression/builtin_compare_vec.go b/expression/builtin_compare_vec.go index d13b7fb07a988..6b65f6c1a5ce6 100644 --- a/expression/builtin_compare_vec.go +++ b/expression/builtin_compare_vec.go @@ -614,7 +614,7 @@ func vecResOfGE(res []int64) { } } -//vecCompareInt is vectorized CompareInt() +// vecCompareInt is vectorized CompareInt() func vecCompareInt(isUnsigned0, isUnsigned1 bool, largs, rargs, result *chunk.Column) { switch { case isUnsigned0 && isUnsigned1: diff --git a/expression/builtin_encryption.go b/expression/builtin_encryption.go index 9f423814d232d..0424f50db1976 100644 --- a/expression/builtin_encryption.go +++ b/expression/builtin_encryption.go @@ -84,7 +84,7 @@ type aesModeAttr struct { } var aesModes = map[string]*aesModeAttr{ - //TODO support more modes, permitted mode values are: ECB, CBC, CFB1, CFB8, CFB128, OFB + // TODO support more modes, permitted mode values are: ECB, CBC, CFB1, CFB8, CFB128, OFB "aes-128-ecb": {"ecb", 16, false}, "aes-192-ecb": {"ecb", 24, false}, "aes-256-ecb": {"ecb", 32, false}, diff --git a/expression/builtin_math_test.go b/expression/builtin_math_test.go index f8c6b7c65df44..f9f7773c95ac8 100644 --- a/expression/builtin_math_test.go +++ b/expression/builtin_math_test.go @@ -949,7 +949,7 @@ func (s *testEvaluatorSuite) TestTan(c *C) { {int64(0), float64(0), false, false}, {math.Pi / 4, float64(1), false, false}, {-math.Pi / 4, float64(-1), false, false}, - {math.Pi * 3 / 4, math.Tan(math.Pi * 3 / 4), false, false}, //in mysql and golang, it equals -1.0000000000000002, not -1 + {math.Pi * 3 / 4, math.Tan(math.Pi * 3 / 4), false, false}, // in mysql and golang, it equals -1.0000000000000002, not -1 {"0.000", float64(0), false, false}, {"sdfgsdfg", 0, false, true}, } diff --git a/expression/builtin_miscellaneous.go b/expression/builtin_miscellaneous.go index b1de9ce7d9afc..25b4ddb3c4fbb 100644 --- a/expression/builtin_miscellaneous.go +++ b/expression/builtin_miscellaneous.go @@ -491,14 +491,14 @@ func (b *builtinInetNtoaSig) evalString(row chunk.Row) (string, bool, error) { } if val < 0 || uint64(val) > math.MaxUint32 { - //not an IPv4 address. + // not an IPv4 address. return "", true, nil } ip := make(net.IP, net.IPv4len) binary.BigEndian.PutUint32(ip, uint32(val)) ipv4 := ip.To4() if ipv4 == nil { - //Not a vaild ipv4 address. + // Not a vaild ipv4 address. return "", true, nil } @@ -553,7 +553,7 @@ func (b *builtinInet6AtonSig) evalString(row chunk.Row) (string, bool, error) { var isMappedIpv6 bool if ip.To4() != nil && strings.Contains(val, ":") { - //mapped ipv6 address. + // mapped ipv6 address. isMappedIpv6 = true } @@ -737,7 +737,7 @@ func (b *builtinIsIPv4CompatSig) evalInt(row chunk.Row) (int64, bool, error) { ipAddress := []byte(val) if len(ipAddress) != net.IPv6len { - //Not an IPv6 address, return false + // Not an IPv6 address, return false return 0, false, nil } @@ -785,7 +785,7 @@ func (b *builtinIsIPv4MappedSig) evalInt(row chunk.Row) (int64, bool, error) { ipAddress := []byte(val) if len(ipAddress) != net.IPv6len { - //Not an IPv6 address, return false + // Not an IPv6 address, return false return 0, false, nil } diff --git a/expression/builtin_miscellaneous_vec.go b/expression/builtin_miscellaneous_vec.go index f591336ba7220..8780920c13a04 100644 --- a/expression/builtin_miscellaneous_vec.go +++ b/expression/builtin_miscellaneous_vec.go @@ -52,7 +52,7 @@ func (b *builtinInetNtoaSig) vecEvalString(input *chunk.Chunk, result *chunk.Col binary.BigEndian.PutUint32(ip, uint32(val)) ipv4 := ip.To4() if ipv4 == nil { - //Not a vaild ipv4 address. + // Not a vaild ipv4 address. result.AppendNull() continue } @@ -256,7 +256,7 @@ func (b *builtinIsIPv4CompatSig) vecEvalInt(input *chunk.Chunk, result *chunk.Co // See example https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_is-ipv4-compat ipAddress := buf.GetBytes(i) if len(ipAddress) != net.IPv6len || !bytes.HasPrefix(ipAddress, prefixCompat) { - //Not an IPv6 address, return false + // Not an IPv6 address, return false i64s[i] = 0 } else { i64s[i] = 1 @@ -381,7 +381,7 @@ func (b *builtinIsIPv4MappedSig) vecEvalInt(input *chunk.Chunk, result *chunk.Co // See example https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_is-ipv4-mapped ipAddress := buf.GetBytes(i) if len(ipAddress) != net.IPv6len || !bytes.HasPrefix(ipAddress, prefixMapped) { - //Not an IPv6 address, return false + // Not an IPv6 address, return false i64s[i] = 0 } else { i64s[i] = 1 @@ -448,7 +448,7 @@ func (b *builtinInet6AtonSig) vecEvalString(input *chunk.Chunk, result *chunk.Co var isMappedIpv6 bool ipTo4 := ip.To4() if ipTo4 != nil && strings.Contains(val, ":") { - //mapped ipv6 address. + // mapped ipv6 address. isMappedIpv6 = true } @@ -517,7 +517,7 @@ func (b *builtinInetAtonSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column result.SetNull(i, true) continue } - //reset + // reset byteResult = 0 res = 0 dotCount = 0 diff --git a/expression/builtin_miscellaneous_vec_test.go b/expression/builtin_miscellaneous_vec_test.go index 74cafecb7ba48..85a329b8f41b8 100644 --- a/expression/builtin_miscellaneous_vec_test.go +++ b/expression/builtin_miscellaneous_vec_test.go @@ -43,7 +43,7 @@ var vecBuiltinMiscellaneousCases = map[string][]vecExprBenchCase{ newSelectStringGener( []string{ "192.168.0.1", - "2001:db8::68", //ipv6 + "2001:db8::68", // ipv6 }, )}}, }, @@ -187,7 +187,7 @@ func (s *testEvaluatorSuite) TestSleepVectorized(c *C) { c.Assert(err, NotNil) c.Assert(result.GetInt64(0), Equals, int64(0)) - //// strict model + // strict model input.Reset() input.AppendFloat64(0, 0.5) start := time.Now() diff --git a/expression/builtin_string.go b/expression/builtin_string.go index 93630d6a8fa10..744e135b394fb 100644 --- a/expression/builtin_string.go +++ b/expression/builtin_string.go @@ -436,9 +436,9 @@ func (b *builtinConcatWSSig) evalString(row chunk.Row) (string, bool, error) { str := strings.Join(strs, sep) // todo check whether the length of result is larger than Flen - //if b.tp.Flen != types.UnspecifiedLength && len(str) > b.tp.Flen { + // if b.tp.Flen != types.UnspecifiedLength && len(str) > b.tp.Flen { // return "", true, nil - //} + // } return str, false, nil } @@ -3552,10 +3552,10 @@ func (b *builtinToBase64Sig) evalString(row chunk.Row) (d string, isNull bool, e return "", true, nil } - //encode + // encode strBytes := []byte(str) result := base64.StdEncoding.EncodeToString(strBytes) - //A newline is added after each 76 characters of encoded output to divide long output into multiple lines. + // A newline is added after each 76 characters of encoded output to divide long output into multiple lines. count := len(result) if count > 76 { resultArr := splitToSubN(result, 76) diff --git a/expression/builtin_string_test.go b/expression/builtin_string_test.go index 003ccee4cb15e..497dca21872fd 100644 --- a/expression/builtin_string_test.go +++ b/expression/builtin_string_test.go @@ -1688,7 +1688,7 @@ func (s *testEvaluatorSuite) TestOct(c *C) { {1025, "2001"}, {"8a8", "10"}, {"abc", "0"}, - //overflow uint64 + // overflow uint64 {"9999999999999999999999999", "1777777777777777777777"}, {"-9999999999999999999999999", "1777777777777777777777"}, {types.NewBinaryLiteralFromUint(255, -1), "377"}, // b'11111111' diff --git a/expression/builtin_string_vec.go b/expression/builtin_string_vec.go index 0a98118600192..f66d692e0495a 100644 --- a/expression/builtin_string_vec.go +++ b/expression/builtin_string_vec.go @@ -646,10 +646,10 @@ func (b *builtinConcatWSSig) vecEvalString(input *chunk.Chunk, result *chunk.Col } str := strings.Join(strs[i], seps[i]) // todo check whether the length of result is larger than Flen - //if b.tp.Flen != types.UnspecifiedLength && len(str) > b.tp.Flen { + // if b.tp.Flen != types.UnspecifiedLength && len(str) > b.tp.Flen { // result.AppendNull() // continue - //} + // } result.AppendString(str) } return nil @@ -2425,7 +2425,7 @@ func (b *builtinToBase64Sig) vecEvalString(input *chunk.Chunk, result *chunk.Col } newStr := base64.StdEncoding.EncodeToString([]byte(str)) - //A newline is added after each 76 characters of encoded output to divide long output into multiple lines. + // A newline is added after each 76 characters of encoded output to divide long output into multiple lines. count := len(newStr) if count > 76 { newStr = strings.Join(splitToSubN(newStr, 76), "\n") diff --git a/expression/builtin_time_test.go b/expression/builtin_time_test.go index 27de4e1cf9d5b..8e67dce4892b8 100644 --- a/expression/builtin_time_test.go +++ b/expression/builtin_time_test.go @@ -1612,8 +1612,8 @@ func (s *testEvaluatorSuite) TestWeekWithoutModeSig(c *C) { }{ {"2008-02-20", 7}, {"2000-12-31", 53}, - {"2000-12-31", 1}, //set default week mode - {"2005-12-3", 48}, //set default week mode + {"2000-12-31", 1}, // set default week mode + {"2005-12-3", 48}, // set default week mode {"2008-02-20", 7}, } @@ -1778,9 +1778,9 @@ func (s *testEvaluatorSuite) TestUnixTimestamp(c *C) { {0, types.NewStringDatum("1969-12-31 23:59:59.999999"), types.KindMysqlDecimal, "0"}, // Invalid timestamp {0, types.NewStringDatum("2038-01-19 03:14:08"), types.KindInt64, "0"}, // Invalid timestamp // Below tests irregular inputs. - //{0, types.NewIntDatum(0), types.KindInt64, "0"}, - //{0, types.NewIntDatum(-1), types.KindInt64, "0"}, - //{0, types.NewIntDatum(12345), types.KindInt64, "0"}, + // {0, types.NewIntDatum(0), types.KindInt64, "0"}, + // {0, types.NewIntDatum(-1), types.KindInt64, "0"}, + // {0, types.NewIntDatum(12345), types.KindInt64, "0"}, } for _, test := range tests { diff --git a/expression/builtin_time_vec_test.go b/expression/builtin_time_vec_test.go index 08bacb1a31517..44a5204567257 100644 --- a/expression/builtin_time_vec_test.go +++ b/expression/builtin_time_vec_test.go @@ -205,13 +205,13 @@ var vecBuiltinTimeCases = map[string][]vecExprBenchCase{ }, // This test case may fail due to the issue: https://github.com/pingcap/tidb/issues/13638. // We remove this case to stabilize CI, and will reopen this when we fix the issue above. - //ast.TimestampAdd: { - // { - // retEvalType: types.ETString, - // childrenTypes: []types.EvalType{types.ETString, types.ETInt, types.ETDatetime}, - // geners: []dataGenerator{&unitStrGener{newDefaultRandGen()}, nil, nil}, - // }, - //}, + // ast.TimestampAdd: { + // { + // retEvalType: types.ETString, + // childrenTypes: []types.EvalType{types.ETString, types.ETInt, types.ETDatetime}, + // geners: []dataGenerator{&unitStrGener{newDefaultRandGen()}, nil, nil}, + // }, + // }, ast.UnixTimestamp: { { retEvalType: types.ETInt, diff --git a/expression/distsql_builtin.go b/expression/distsql_builtin.go index 97f199885fd27..fc7feea6fd956 100644 --- a/expression/distsql_builtin.go +++ b/expression/distsql_builtin.go @@ -372,7 +372,7 @@ func getSignatureByPB(ctx sessionctx.Context, sigCode tipb.ScalarFuncSig, tp *ti f = &builtinLog2Sig{base} case tipb.ScalarFuncSig_Log10: f = &builtinLog10Sig{base} - //case tipb.ScalarFuncSig_Rand: + // case tipb.ScalarFuncSig_Rand: case tipb.ScalarFuncSig_RandWithSeedFirstGen: f = &builtinRandWithSeedFirstGenSig{base} case tipb.ScalarFuncSig_Pow: @@ -445,7 +445,7 @@ func getSignatureByPB(ctx sessionctx.Context, sigCode tipb.ScalarFuncSig, tp *ti f = &builtinTimeIsNullSig{base} case tipb.ScalarFuncSig_IntIsNull: f = &builtinIntIsNullSig{base} - //case tipb.ScalarFuncSig_JsonIsNull: + // case tipb.ScalarFuncSig_JsonIsNull: case tipb.ScalarFuncSig_BitAndSig: f = &builtinBitAndSig{base} case tipb.ScalarFuncSig_BitOrSig: @@ -488,23 +488,23 @@ func getSignatureByPB(ctx sessionctx.Context, sigCode tipb.ScalarFuncSig, tp *ti f = &builtinGetParamStringSig{base} case tipb.ScalarFuncSig_GetVar: f = &builtinGetStringVarSig{base} - //case tipb.ScalarFuncSig_RowSig: + // case tipb.ScalarFuncSig_RowSig: case tipb.ScalarFuncSig_SetVar: f = &builtinSetStringVarSig{base} - //case tipb.ScalarFuncSig_ValuesDecimal: - // f = &builtinValuesDecimalSig{base} - //case tipb.ScalarFuncSig_ValuesDuration: - // f = &builtinValuesDurationSig{base} - //case tipb.ScalarFuncSig_ValuesInt: - // f = &builtinValuesIntSig{base} - //case tipb.ScalarFuncSig_ValuesJSON: - // f = &builtinValuesJSONSig{base} - //case tipb.ScalarFuncSig_ValuesReal: - // f = &builtinValuesRealSig{base} - //case tipb.ScalarFuncSig_ValuesString: - // f = &builtinValuesStringSig{base} - //case tipb.ScalarFuncSig_ValuesTime: - // f = &builtinValuesTimeSig{base} + // case tipb.ScalarFuncSig_ValuesDecimal: + // f = &builtinValuesDecimalSig{base} + // case tipb.ScalarFuncSig_ValuesDuration: + // f = &builtinValuesDurationSig{base} + // case tipb.ScalarFuncSig_ValuesInt: + // f = &builtinValuesIntSig{base} + // case tipb.ScalarFuncSig_ValuesJSON: + // f = &builtinValuesJSONSig{base} + // case tipb.ScalarFuncSig_ValuesReal: + // f = &builtinValuesRealSig{base} + // case tipb.ScalarFuncSig_ValuesString: + // f = &builtinValuesStringSig{base} + // case tipb.ScalarFuncSig_ValuesTime: + // f = &builtinValuesTimeSig{base} case tipb.ScalarFuncSig_InInt: f = &builtinInIntSig{baseInSig: baseInSig{baseBuiltinFunc: base}} case tipb.ScalarFuncSig_InReal: @@ -561,10 +561,10 @@ func getSignatureByPB(ctx sessionctx.Context, sigCode tipb.ScalarFuncSig, tp *ti f = &builtinCaseWhenDurationSig{base} case tipb.ScalarFuncSig_CaseWhenJson: f = &builtinCaseWhenJSONSig{base} - //case tipb.ScalarFuncSig_AesDecrypt: - // f = &builtinAesDecryptSig{base} - //case tipb.ScalarFuncSig_AesEncrypt: - // f = &builtinAesEncryptSig{base} + // case tipb.ScalarFuncSig_AesDecrypt: + // f = &builtinAesDecryptSig{base} + // case tipb.ScalarFuncSig_AesEncrypt: + // f = &builtinAesEncryptSig{base} case tipb.ScalarFuncSig_Compress: f = &builtinCompressSig{base} case tipb.ScalarFuncSig_MD5: @@ -641,10 +641,10 @@ func getSignatureByPB(ctx sessionctx.Context, sigCode tipb.ScalarFuncSig, tp *ti f = &builtinUUIDSig{base} case tipb.ScalarFuncSig_LikeSig: f = &builtinLikeSig{base, nil, false, sync.Once{}} - //case tipb.ScalarFuncSig_RegexpSig: - // f = &builtinRegexpSig{base} - //case tipb.ScalarFuncSig_RegexpUTF8Sig: - // f = &builtinRegexpUTF8Sig{base} + // case tipb.ScalarFuncSig_RegexpSig: + // f = &builtinRegexpSig{base} + // case tipb.ScalarFuncSig_RegexpUTF8Sig: + // f = &builtinRegexpUTF8Sig{base} case tipb.ScalarFuncSig_JsonExtractSig: f = &builtinJSONExtractSig{base} case tipb.ScalarFuncSig_JsonUnquoteSig: @@ -673,12 +673,12 @@ func getSignatureByPB(ctx sessionctx.Context, sigCode tipb.ScalarFuncSig, tp *ti f = &builtinJSONArrayAppendSig{base} case tipb.ScalarFuncSig_JsonArrayInsertSig: f = &builtinJSONArrayInsertSig{base} - //case tipb.ScalarFuncSig_JsonMergePatchSig: + // case tipb.ScalarFuncSig_JsonMergePatchSig: case tipb.ScalarFuncSig_JsonMergePreserveSig: f = &builtinJSONMergeSig{base} case tipb.ScalarFuncSig_JsonContainsPathSig: f = &builtinJSONContainsPathSig{base} - //case tipb.ScalarFuncSig_JsonPrettySig: + // case tipb.ScalarFuncSig_JsonPrettySig: case tipb.ScalarFuncSig_JsonQuoteSig: f = &builtinJSONQuoteSig{base} case tipb.ScalarFuncSig_JsonSearchSig: @@ -699,8 +699,8 @@ func getSignatureByPB(ctx sessionctx.Context, sigCode tipb.ScalarFuncSig, tp *ti f = &builtinJSONValidOthersSig{base} case tipb.ScalarFuncSig_DateFormatSig: f = &builtinDateFormatSig{base} - //case tipb.ScalarFuncSig_DateLiteral: - // f = &builtinDateLiteralSig{base} + // case tipb.ScalarFuncSig_DateLiteral: + // f = &builtinDateLiteralSig{base} case tipb.ScalarFuncSig_DateDiff: f = &builtinDateDiffSig{base} case tipb.ScalarFuncSig_NullTimeDiff: @@ -773,8 +773,8 @@ func getSignatureByPB(ctx sessionctx.Context, sigCode tipb.ScalarFuncSig, tp *ti f = &builtinCurrentTime1ArgSig{base} case tipb.ScalarFuncSig_Time: f = &builtinTimeSig{base} - //case tipb.ScalarFuncSig_TimeLiteral: - // f = &builtinTimeLiteralSig{base} + // case tipb.ScalarFuncSig_TimeLiteral: + // f = &builtinTimeLiteralSig{base} case tipb.ScalarFuncSig_UTCDate: f = &builtinUTCDateSig{base} case tipb.ScalarFuncSig_UTCTimestampWithArg: @@ -831,8 +831,8 @@ func getSignatureByPB(ctx sessionctx.Context, sigCode tipb.ScalarFuncSig, tp *ti f = &builtinUnixTimestampIntSig{base} case tipb.ScalarFuncSig_UnixTimestampDec: f = &builtinUnixTimestampDecSig{base} - //case tipb.ScalarFuncSig_ConvertTz: - // f = &builtinConvertTzSig{base} + // case tipb.ScalarFuncSig_ConvertTz: + // f = &builtinConvertTzSig{base} case tipb.ScalarFuncSig_MakeDate: f = &builtinMakeDateSig{base} case tipb.ScalarFuncSig_MakeTime: @@ -857,12 +857,12 @@ func getSignatureByPB(ctx sessionctx.Context, sigCode tipb.ScalarFuncSig, tp *ti f = &builtinUTCTimeWithArgSig{base} case tipb.ScalarFuncSig_UTCTimeWithoutArg: f = &builtinUTCTimeWithoutArgSig{base} - //case tipb.ScalarFuncSig_Timestamp1Arg: - // f = &builtinTimestamp1ArgSig{base} - //case tipb.ScalarFuncSig_Timestamp2Args: - // f = &builtinTimestamp2ArgsSig{base} - //case tipb.ScalarFuncSig_TimestampLiteral: - // f = &builtinTimestampLiteralSig{base} + // case tipb.ScalarFuncSig_Timestamp1Arg: + // f = &builtinTimestamp1ArgSig{base} + // case tipb.ScalarFuncSig_Timestamp2Args: + // f = &builtinTimestamp2ArgsSig{base} + // case tipb.ScalarFuncSig_TimestampLiteral: + // f = &builtinTimestampLiteralSig{base} case tipb.ScalarFuncSig_LastDay: f = &builtinLastDaySig{base} case tipb.ScalarFuncSig_StrToDateDate: @@ -879,34 +879,34 @@ func getSignatureByPB(ctx sessionctx.Context, sigCode tipb.ScalarFuncSig, tp *ti f = &builtinExtractDatetimeSig{base} case tipb.ScalarFuncSig_ExtractDuration: f = &builtinExtractDurationSig{base} - //case tipb.ScalarFuncSig_AddDateStringString: - // f = &builtinAddDateStringStringSig{base} - //case tipb.ScalarFuncSig_AddDateStringInt: - // f = &builtinAddDateStringIntSig{base} - //case tipb.ScalarFuncSig_AddDateStringDecimal: - // f = &builtinAddDateStringDecimalSig{base} - //case tipb.ScalarFuncSig_AddDateIntString: - // f = &builtinAddDateIntStringSig{base} - //case tipb.ScalarFuncSig_AddDateIntInt: - // f = &builtinAddDateIntIntSig{base} - //case tipb.ScalarFuncSig_AddDateDatetimeString: - // f = &builtinAddDateDatetimeStringSig{base} - //case tipb.ScalarFuncSig_AddDateDatetimeInt: - // f = &builtinAddDateDatetimeIntSig{base} - //case tipb.ScalarFuncSig_SubDateStringString: - // f = &builtinSubDateStringStringSig{base} - //case tipb.ScalarFuncSig_SubDateStringInt: - // f = &builtinSubDateStringIntSig{base} - //case tipb.ScalarFuncSig_SubDateStringDecimal: - // f = &builtinSubDateStringDecimalSig{base} - //case tipb.ScalarFuncSig_SubDateIntString: - // f = &builtinSubDateIntStringSig{base} - //case tipb.ScalarFuncSig_SubDateIntInt: - // f = &builtinSubDateIntIntSig{base} - //case tipb.ScalarFuncSig_SubDateDatetimeString: - // f = &builtinSubDateDatetimeStringSig{base} - //case tipb.ScalarFuncSig_SubDateDatetimeInt: - // f = &builtinSubDateDatetimeIntSig{base} + // case tipb.ScalarFuncSig_AddDateStringString: + // f = &builtinAddDateStringStringSig{base} + // case tipb.ScalarFuncSig_AddDateStringInt: + // f = &builtinAddDateStringIntSig{base} + // case tipb.ScalarFuncSig_AddDateStringDecimal: + // f = &builtinAddDateStringDecimalSig{base} + // case tipb.ScalarFuncSig_AddDateIntString: + // f = &builtinAddDateIntStringSig{base} + // case tipb.ScalarFuncSig_AddDateIntInt: + // f = &builtinAddDateIntIntSig{base} + // case tipb.ScalarFuncSig_AddDateDatetimeString: + // f = &builtinAddDateDatetimeStringSig{base} + // case tipb.ScalarFuncSig_AddDateDatetimeInt: + // f = &builtinAddDateDatetimeIntSig{base} + // case tipb.ScalarFuncSig_SubDateStringString: + // f = &builtinSubDateStringStringSig{base} + // case tipb.ScalarFuncSig_SubDateStringInt: + // f = &builtinSubDateStringIntSig{base} + // case tipb.ScalarFuncSig_SubDateStringDecimal: + // f = &builtinSubDateStringDecimalSig{base} + // case tipb.ScalarFuncSig_SubDateIntString: + // f = &builtinSubDateIntStringSig{base} + // case tipb.ScalarFuncSig_SubDateIntInt: + // f = &builtinSubDateIntIntSig{base} + // case tipb.ScalarFuncSig_SubDateDatetimeString: + // f = &builtinSubDateDatetimeStringSig{base} + // case tipb.ScalarFuncSig_SubDateDatetimeInt: + // f = &builtinSubDateDatetimeIntSig{base} case tipb.ScalarFuncSig_FromDays: f = &builtinFromDaysSig{base} case tipb.ScalarFuncSig_TimeFormat: diff --git a/expression/distsql_builtin_test.go b/expression/distsql_builtin_test.go index 20ff67e5792f5..68951d28d3e98 100644 --- a/expression/distsql_builtin_test.go +++ b/expression/distsql_builtin_test.go @@ -577,11 +577,11 @@ func (s *testEvalSuite) TestEval(c *C) { toPBFieldType(newIntFieldType()), datumExpr(c, types.NewStringDatum("1")), datumExpr(c, types.NewStringDatum("1"))), types.NewIntDatum(1), }, - //{ - // scalarFunctionExpr(tipb.ScalarFuncSig_InTime, - // toPBFieldType(newIntFieldType()), datumExpr(c, types.NewTimeDatum(types.ZeroDate)), datumExpr(c, types.NewTimeDatum(types.ZeroDate))), - // types.NewIntDatum(1), - //}, + // { + // scalarFunctionExpr(tipb.ScalarFuncSig_InTime, + // toPBFieldType(newIntFieldType()), datumExpr(c, types.NewTimeDatum(types.ZeroDate)), datumExpr(c, types.NewTimeDatum(types.ZeroDate))), + // types.NewIntDatum(1), + // }, { scalarFunctionExpr(tipb.ScalarFuncSig_InDuration, toPBFieldType(newIntFieldType()), datumExpr(c, types.NewDurationDatum(newDuration(time.Second))), datumExpr(c, types.NewDurationDatum(newDuration(time.Second)))), diff --git a/expression/helper_test.go b/expression/helper_test.go index 369333e37a6e9..94a78dd7973ea 100644 --- a/expression/helper_test.go +++ b/expression/helper_test.go @@ -74,7 +74,7 @@ func (s *testExpressionSuite) TestGetTimeValue(c *C) { {ast.NewValueExpr(int64(0), "", ""), "0000-00-00 00:00:00"}, {ast.NewValueExpr(nil, "", ""), nil}, {&ast.FuncCallExpr{FnName: model.NewCIStr(ast.CurrentTimestamp)}, strings.ToUpper(ast.CurrentTimestamp)}, - //{&ast.UnaryOperationExpr{Op: opcode.Minus, V: ast.NewValueExpr(int64(0))}, "0000-00-00 00:00:00"}, + // {&ast.UnaryOperationExpr{Op: opcode.Minus, V: ast.NewValueExpr(int64(0))}, "0000-00-00 00:00:00"}, } for i, t := range tbl { @@ -97,7 +97,7 @@ func (s *testExpressionSuite) TestGetTimeValue(c *C) { {ast.NewValueExpr("2012-13-12 00:00:00", charset.CharsetUTF8MB4, charset.CollationUTF8MB4)}, {ast.NewValueExpr(int64(1), "", "")}, {&ast.FuncCallExpr{FnName: model.NewCIStr("xxx")}}, - //{&ast.UnaryOperationExpr{Op: opcode.Minus, V: ast.NewValueExpr(int64(1))}}, + // {&ast.UnaryOperationExpr{Op: opcode.Minus, V: ast.NewValueExpr(int64(1))}}, } for _, t := range errTbl { diff --git a/expression/integration_test.go b/expression/integration_test.go index 8c1a5d6c5825e..613f397403884 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -380,7 +380,7 @@ func (s *testIntegrationSuite2) TestMathBuiltin(c *C) { result = tk.MustQuery("select log10(NULL)") result.Check(testkit.Rows("")) - //for log + // for log result = tk.MustQuery("select log(0.0)") result.Check(testkit.Rows("")) result = tk.MustQuery("select log(100)") @@ -494,7 +494,7 @@ func (s *testIntegrationSuite2) TestMathBuiltin(c *C) { c.Assert(terr.Code(), Equals, errors.ErrCode(mysql.ErrDataOutOfRange)) c.Assert(rs.Close(), IsNil) - //for exp + // for exp result = tk.MustQuery("select exp(0), exp(1), exp(-1), exp(1.2), exp(NULL)") result.Check(testkit.Rows("1 2.718281828459045 0.36787944117144233 3.3201169227365472 ")) result = tk.MustQuery("select exp('tidb'), exp('1tidb')") @@ -1657,7 +1657,7 @@ func (s *testIntegrationSuite2) TestTimeBuiltin(c *C) { // result = tk.MustQuery("select time('2003-12-10-10 01:02:03.000123')") // result.Check(testkit.Rows("00:20:03") - //for hour + // for hour result = tk.MustQuery(`SELECT hour("12:13:14.123456"), hour("12:13:14.000010"), hour("272:59:55"), hour(020005), hour(null), hour("27aaaa2:59:55");`) result.Check(testkit.Rows("12 12 272 2 ")) @@ -1857,10 +1857,10 @@ func (s *testIntegrationSuite2) TestTimeBuiltin(c *C) { result.Check(testkit.Rows("0")) result = tk.MustQuery("SELECT UNIX_TIMESTAMP(0);") result.Check(testkit.Rows("0")) - //result = tk.MustQuery("SELECT UNIX_TIMESTAMP(-1);") - //result.Check(testkit.Rows("0")) - //result = tk.MustQuery("SELECT UNIX_TIMESTAMP(12345);") - //result.Check(testkit.Rows("0")) + // result = tk.MustQuery("SELECT UNIX_TIMESTAMP(-1);") + // result.Check(testkit.Rows("0")) + // result = tk.MustQuery("SELECT UNIX_TIMESTAMP(12345);") + // result.Check(testkit.Rows("0")) result = tk.MustQuery("SELECT UNIX_TIMESTAMP('2017-01-01')") result.Check(testkit.Rows("1483228800")) // Test different time zone. @@ -2131,7 +2131,7 @@ func (s *testIntegrationSuite2) TestTimeBuiltin(c *C) { {"\"2009-01-01\"", "6/4", "HOUR_MINUTE", "2009-01-04 12:20:00", "2008-12-28 11:40:00"}, {"\"2009-01-01\"", "6/0", "HOUR_MINUTE", "", ""}, {"\"1970-01-01 12:00:00\"", "CAST(6/4 AS DECIMAL(3,1))", "HOUR_MINUTE", "1970-01-01 13:05:00", "1970-01-01 10:55:00"}, - //for issue #8077 + // for issue #8077 {"\"2012-01-02\"", "\"prefix8\"", "HOUR", "2012-01-02 08:00:00", "2012-01-01 16:00:00"}, {"\"2012-01-02\"", "\"prefix8prefix\"", "HOUR", "2012-01-02 08:00:00", "2012-01-01 16:00:00"}, {"\"2012-01-02\"", "\"8:00\"", "HOUR", "2012-01-02 08:00:00", "2012-01-01 16:00:00"}, @@ -2316,7 +2316,7 @@ func (s *testIntegrationSuite) TestDatetimeOverflow(c *C) { } tk.MustQuery("select * from t1").Check(testkit.Rows(rows...)) - //Fix ISSUE 11256 + // Fix ISSUE 11256 tk.MustQuery(`select DATE_ADD('2000-04-13 07:17:02',INTERVAL -1465647104 YEAR);`).Check(testkit.Rows("")) tk.MustQuery(`select DATE_ADD('2008-11-23 22:47:31',INTERVAL 266076160 QUARTER);`).Check(testkit.Rows("")) tk.MustQuery(`select DATE_SUB('2000-04-13 07:17:02',INTERVAL 1465647104 YEAR);`).Check(testkit.Rows("")) @@ -3384,8 +3384,8 @@ func (s *testIntegrationSuite) TestArithmeticBuiltin(c *C) { c.Assert(terror.ErrorEqual(err, types.ErrOverflow), IsTrue) c.Assert(rs.Close(), IsNil) // FIXME: There is something wrong in showing float number. - //tk.MustQuery("select 1.797693134862315708145274237317043567981e+308 * 1").Check(testkit.Rows("1.7976931348623157e308")) - //tk.MustQuery("select 1.797693134862315708145274237317043567981e+308 * -1").Check(testkit.Rows("-1.7976931348623157e308")) + // tk.MustQuery("select 1.797693134862315708145274237317043567981e+308 * 1").Check(testkit.Rows("1.7976931348623157e308")) + // tk.MustQuery("select 1.797693134862315708145274237317043567981e+308 * -1").Check(testkit.Rows("-1.7976931348623157e308")) rs, err = tk.Exec("select 1.797693134862315708145274237317043567981e+308 * 1.1") c.Assert(err, IsNil) _, err = session.GetRows4Test(ctx, tk.Se, rs) diff --git a/meta/autoid/autoid_test.go b/meta/autoid/autoid_test.go index a7e3cf490fd78..fe6f9abba5030 100644 --- a/meta/autoid/autoid_test.go +++ b/meta/autoid/autoid_test.go @@ -451,7 +451,7 @@ func (*testSuite) TestConcurrentAlloc(c *C) { m[id] = struct{}{} mu.Unlock() - //test Alloc N + // test Alloc N N := rand.Uint64() % 100 min, max, err1 := alloc.Alloc(tblID, N, 1, 1) if err1 != nil { diff --git a/planner/cascades/transformation_rules.go b/planner/cascades/transformation_rules.go index 8528979a57d87..febea4689bc42 100644 --- a/planner/cascades/transformation_rules.go +++ b/planner/cascades/transformation_rules.go @@ -2260,7 +2260,7 @@ func (r *InjectProjectionBelowAgg) OnTransform(old *memo.ExprIter) (newExprs []* copyFuncs := make([]*aggregation.AggFuncDesc, 0, len(agg.AggFuncs)) for _, aggFunc := range agg.AggFuncs { copyFunc := aggFunc.Clone() - //WrapCastForAggArgs will modify AggFunc, so we should clone AggFunc. + // WrapCastForAggArgs will modify AggFunc, so we should clone AggFunc. copyFunc.WrapCastForAggArgs(agg.SCtx()) copyFuncs = append(copyFuncs, copyFunc) for _, arg := range copyFunc.Args { diff --git a/planner/core/fragment.go b/planner/core/fragment.go index fe53b06f222a8..3faaeea6f1586 100644 --- a/planner/core/fragment.go +++ b/planner/core/fragment.go @@ -26,7 +26,7 @@ import ( type Fragment struct { p PhysicalPlan - /// following field are filled during getPlanFragment. + // following field are filled during getPlanFragment. // TODO: Strictly speaking, not all plan fragment contain table scan. we can do this assumption until more plans are supported. TableScan *PhysicalTableScan // result physical table scan ExchangeReceivers []*PhysicalExchangeReceiver // data receivers diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index 37f1a8ee228b3..a67fe8c65e62b 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -1884,7 +1884,7 @@ func (a *havingWindowAndOrderbyExprResolver) Leave(n ast.Node) (node ast.Node, o // For SQLs like: // select a+1 from t having t.a; field := a.selectFields[index] - if field.Auxiliary { //having can't use auxiliary field + if field.Auxiliary { // having can't use auxiliary field index = -1 } } diff --git a/planner/core/logical_plans.go b/planner/core/logical_plans.go index cc5f90e473eb1..010ecb9e957e8 100644 --- a/planner/core/logical_plans.go +++ b/planner/core/logical_plans.go @@ -500,7 +500,7 @@ type DataSource struct { // handleCol represents the handle column for the datasource, either the // int primary key column or extra handle column. - //handleCol *expression.Column + // handleCol *expression.Column handleCols HandleCols // TblCols contains the original columns of table before being pruned, and it // is used for estimating table scan cost. diff --git a/planner/core/physical_plans.go b/planner/core/physical_plans.go index ee39657597167..d4013bfb24142 100644 --- a/planner/core/physical_plans.go +++ b/planner/core/physical_plans.go @@ -550,7 +550,7 @@ func ExpandVirtualColumn(columns []*model.ColumnInfo, schema *expression.Schema, return copyColumn } -//SetIsChildOfIndexLookUp is to set the bool if is a child of IndexLookUpReader +// SetIsChildOfIndexLookUp is to set the bool if is a child of IndexLookUpReader func (ts *PhysicalTableScan) SetIsChildOfIndexLookUp(isIsChildOfIndexLookUp bool) { ts.isChildOfIndexLookUp = isIsChildOfIndexLookUp } diff --git a/planner/core/rule_generate_column_substitute.go b/planner/core/rule_generate_column_substitute.go index 5b65cefb93fae..bc4a31e0b88e8 100644 --- a/planner/core/rule_generate_column_substitute.go +++ b/planner/core/rule_generate_column_substitute.go @@ -136,28 +136,28 @@ func (gc *gcSubstituter) substitute(ctx context.Context, lp LogicalPlan, exprToC } } // TODO: Uncomment these code after we support virtual generate column push down. - //case *LogicalAggregation: - // for _, aggFunc := range x.AggFuncs { - // for i := 0; i < len(aggFunc.Args); i++ { - // tp = aggFunc.Args[i].GetType().EvalType() - // for candidateExpr, column := range exprToColumn { - // if aggFunc.Args[i].Equal(lp.SCtx(), candidateExpr) && candidateExpr.GetType().EvalType() == tp && - // x.Schema().ColumnIndex(column) != -1 { - // aggFunc.Args[i] = column - // } - // } - // } - // } - // for i := 0; i < len(x.GroupByItems); i++ { - // tp = x.GroupByItems[i].GetType().EvalType() - // for candidateExpr, column := range exprToColumn { - // if x.GroupByItems[i].Equal(lp.SCtx(), candidateExpr) && candidateExpr.GetType().EvalType() == tp && - // x.Schema().ColumnIndex(column) != -1 { - // x.GroupByItems[i] = column - // x.groupByCols = append(x.groupByCols, column) - // } - // } - // } + // case *LogicalAggregation: + // for _, aggFunc := range x.AggFuncs { + // for i := 0; i < len(aggFunc.Args); i++ { + // tp = aggFunc.Args[i].GetType().EvalType() + // for candidateExpr, column := range exprToColumn { + // if aggFunc.Args[i].Equal(lp.SCtx(), candidateExpr) && candidateExpr.GetType().EvalType() == tp && + // x.Schema().ColumnIndex(column) != -1 { + // aggFunc.Args[i] = column + // } + // } + // } + // } + // for i := 0; i < len(x.GroupByItems); i++ { + // tp = x.GroupByItems[i].GetType().EvalType() + // for candidateExpr, column := range exprToColumn { + // if x.GroupByItems[i].Equal(lp.SCtx(), candidateExpr) && candidateExpr.GetType().EvalType() == tp && + // x.Schema().ColumnIndex(column) != -1 { + // x.GroupByItems[i] = column + // x.groupByCols = append(x.groupByCols, column) + // } + // } + // } } for _, child := range lp.Children() { gc.substitute(ctx, child, exprToColumn) diff --git a/planner/memo/group.go b/planner/memo/group.go index 2d9148701f0b6..d3c7af9010e9a 100644 --- a/planner/memo/group.go +++ b/planner/memo/group.go @@ -109,7 +109,7 @@ type Group struct { // by a transformation rule batch in a certain round. ExploreMark - //hasBuiltKeyInfo indicates whether this group has called `BuildKeyInfo`. + // hasBuiltKeyInfo indicates whether this group has called `BuildKeyInfo`. // BuildKeyInfo is lazily called when a rule needs information of // unique key or maxOneRow (in LogicalProp). For each Group, we only need // to collect these information once. diff --git a/privilege/privileges/privileges_test.go b/privilege/privileges/privileges_test.go index db2702c2955ac..8845f8a84b11e 100644 --- a/privilege/privileges/privileges_test.go +++ b/privilege/privileges/privileges_test.go @@ -763,11 +763,11 @@ func (s *testPrivilegeSuite) TestUseDB(c *C) { mustExec(c, se, "CREATE USER 'usesuper'") mustExec(c, se, "CREATE USER 'usenobody'") mustExec(c, se, "GRANT ALL ON *.* TO 'usesuper'") - //without grant option + // without grant option c.Assert(se.Auth(&auth.UserIdentity{Username: "usesuper", Hostname: "localhost", AuthUsername: "usesuper", AuthHostname: "%"}, nil, nil), IsTrue) _, e := se.Execute(context.Background(), "GRANT SELECT ON mysql.* TO 'usenobody'") c.Assert(e, NotNil) - //with grant option + // with grant option se = newSession(c, s.store, s.dbName) // high privileged user mustExec(c, se, "GRANT ALL ON *.* TO 'usesuper' WITH GRANT OPTION") diff --git a/sessionctx/binloginfo/binloginfo.go b/sessionctx/binloginfo/binloginfo.go index 712d8ccf96527..3a7f88517ffac 100644 --- a/sessionctx/binloginfo/binloginfo.go +++ b/sessionctx/binloginfo/binloginfo.go @@ -58,13 +58,13 @@ type BinlogInfo struct { type BinlogStatus int const ( - //BinlogStatusUnknown stands for unknown binlog status + // BinlogStatusUnknown stands for unknown binlog status BinlogStatusUnknown BinlogStatus = iota - //BinlogStatusOn stands for the binlog is enabled + // BinlogStatusOn stands for the binlog is enabled BinlogStatusOn - //BinlogStatusOff stands for the binlog is disabled + // BinlogStatusOff stands for the binlog is disabled BinlogStatusOff - //BinlogStatusSkipping stands for the binlog status + // BinlogStatusSkipping stands for the binlog status BinlogStatusSkipping ) diff --git a/sessionctx/stmtctx/stmtctx.go b/sessionctx/stmtctx/stmtctx.go index d6c2b962e7400..5ecaaa79a907a 100644 --- a/sessionctx/stmtctx/stmtctx.go +++ b/sessionctx/stmtctx/stmtctx.go @@ -699,7 +699,7 @@ func (sc *StatementContext) GetLockWaitStartTime() time.Time { return time.Unix(0, startTime) } -//CopTasksDetails collects some useful information of cop-tasks during execution. +// CopTasksDetails collects some useful information of cop-tasks during execution. type CopTasksDetails struct { NumCopTasks int diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index a186ce97152a7..b54b028e9a45e 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -1270,7 +1270,7 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { if !TiDBOptOn(skipIsolationLevelCheck) || err != nil { return returnErr } - //SET TRANSACTION ISOLATION LEVEL will affect two internal variables: + // SET TRANSACTION ISOLATION LEVEL will affect two internal variables: // 1. tx_isolation // 2. transaction_isolation // The following if condition is used to deduplicate two same warnings. diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 132dae867864c..a3366874fa35f 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -626,7 +626,7 @@ var ( ServerHostname, _ = os.Hostname() MaxOfMaxAllowedPacket uint64 = 1073741824 ExpensiveQueryTimeThreshold uint64 = DefTiDBExpensiveQueryTimeThreshold - MinExpensiveQueryTimeThreshold uint64 = 10 //10s + MinExpensiveQueryTimeThreshold uint64 = 10 // 10s CapturePlanBaseline = serverGlobalVariable{globalVal: BoolOff} DefExecutorConcurrency = 5 MemoryUsageAlarmRatio = atomic.NewFloat64(config.GetGlobalConfig().Performance.MemoryUsageAlarmRatio) diff --git a/sessionctx/variable/varsutil_test.go b/sessionctx/variable/varsutil_test.go index 899f06b41bf64..47d79df8752cd 100644 --- a/sessionctx/variable/varsutil_test.go +++ b/sessionctx/variable/varsutil_test.go @@ -173,8 +173,8 @@ func (s *testVarsutilSuite) TestVarsutil(c *C) { }{ {"Europe/Helsinki", "Europe/Helsinki", true, -2 * time.Hour, nil}, {"US/Eastern", "US/Eastern", true, 5 * time.Hour, nil}, - //TODO: Check it out and reopen this case. - //{"SYSTEM", "Local", false, 0}, + // TODO: Check it out and reopen this case. + // {"SYSTEM", "Local", false, 0}, {"+10:00", "", true, -10 * time.Hour, nil}, {"-6:00", "", true, 6 * time.Hour, nil}, {"+14:00", "", true, -14 * time.Hour, nil}, diff --git a/statistics/histogram.go b/statistics/histogram.go index 2961e783e3688..19c7e710d43c5 100644 --- a/statistics/histogram.go +++ b/statistics/histogram.go @@ -130,7 +130,7 @@ func (hg *Histogram) MemoryUsage() (sum int64) { if hg == nil { return } - //let the initial sum = 0 + // let the initial sum = 0 sum = hg.Bounds.MemoryUsage() - chunk.NewChunkWithCapacity([]*types.FieldType{hg.Tp}, 0).MemoryUsage() sum = sum + int64(cap(hg.Buckets)*int(unsafe.Sizeof(Bucket{}))) + int64(cap(hg.scalars)*int(unsafe.Sizeof(scalar{}))) diff --git a/store/mockstore/mocktikv/cluster.go b/store/mockstore/mocktikv/cluster.go index 9c14e52aeb35a..fb602201cb1f9 100644 --- a/store/mockstore/mocktikv/cluster.go +++ b/store/mockstore/mocktikv/cluster.go @@ -152,7 +152,7 @@ func (c *Cluster) CancelStore(storeID uint64) { c.Lock() defer c.Unlock() - //A store returns context.Cancelled Error when cancel is true. + // A store returns context.Cancelled Error when cancel is true. if store := c.stores[storeID]; store != nil { store.cancel = true } diff --git a/table/column.go b/table/column.go index 3924c2a656799..7a60696c53887 100644 --- a/table/column.go +++ b/table/column.go @@ -376,8 +376,8 @@ func NewColDesc(col *Column) *ColDesc { if mysql.HasAutoIncrementFlag(col.Flag) { extra = "auto_increment" } else if mysql.HasOnUpdateNowFlag(col.Flag) { - //in order to match the rules of mysql 8.0.16 version - //see https://github.com/pingcap/tidb/issues/10337 + // in order to match the rules of mysql 8.0.16 version + // see https://github.com/pingcap/tidb/issues/10337 extra = "DEFAULT_GENERATED on update CURRENT_TIMESTAMP" + OptionalFsp(&col.FieldType) } else if col.IsGenerated() { if col.GeneratedStored { diff --git a/tablecodec/tablecodec_test.go b/tablecodec/tablecodec_test.go index 0e3a9fb906bb2..a56151467d102 100644 --- a/tablecodec/tablecodec_test.go +++ b/tablecodec/tablecodec_test.go @@ -108,7 +108,7 @@ func (s *testTableCodecSuite) TestRowCodec(c *C) { } // colMap may contains more columns than encoded row. - //colMap[4] = types.NewFieldType(mysql.TypeFloat) + // colMap[4] = types.NewFieldType(mysql.TypeFloat) r, err = DecodeRowToDatumMap(bs, colMap, time.UTC) c.Assert(err, IsNil) c.Assert(r, NotNil) diff --git a/types/compare.go b/types/compare.go index 560631130f9d0..f9fb7f84054c5 100644 --- a/types/compare.go +++ b/types/compare.go @@ -42,7 +42,7 @@ func CompareUint64(x, y uint64) int { return 1 } -//VecCompareUU returns []int64 comparing the []uint64 x to []uint64 y +// VecCompareUU returns []int64 comparing the []uint64 x to []uint64 y func VecCompareUU(x, y []uint64, res []int64) { n := len(x) for i := 0; i < n; i++ { @@ -56,7 +56,7 @@ func VecCompareUU(x, y []uint64, res []int64) { } } -//VecCompareII returns []int64 comparing the []int64 x to []int64 y +// VecCompareII returns []int64 comparing the []int64 x to []int64 y func VecCompareII(x, y, res []int64) { n := len(x) for i := 0; i < n; i++ { @@ -70,7 +70,7 @@ func VecCompareII(x, y, res []int64) { } } -//VecCompareUI returns []int64 comparing the []uint64 x to []int64y +// VecCompareUI returns []int64 comparing the []uint64 x to []int64y func VecCompareUI(x []uint64, y, res []int64) { n := len(x) for i := 0; i < n; i++ { @@ -86,7 +86,7 @@ func VecCompareUI(x []uint64, y, res []int64) { } } -//VecCompareIU returns []int64 comparing the []int64 x to []uint64y +// VecCompareIU returns []int64 comparing the []int64 x to []uint64y func VecCompareIU(x []int64, y []uint64, res []int64) { n := len(x) for i := 0; i < n; i++ { diff --git a/types/convert_test.go b/types/convert_test.go index 4ffd57cd8fef7..2b6d04e5c1c46 100644 --- a/types/convert_test.go +++ b/types/convert_test.go @@ -746,7 +746,7 @@ func (s *testTypeConvertSuite) TestConvert(c *C) { signedAccept(c, mysql.TypeString, ZeroDatetime, "0000-00-00 00:00:00") signedAccept(c, mysql.TypeString, []byte("123"), "123") - //TODO add more tests + // TODO add more tests signedAccept(c, mysql.TypeNewDecimal, 123, "123") signedAccept(c, mysql.TypeNewDecimal, int64(123), "123") signedAccept(c, mysql.TypeNewDecimal, uint64(123), "123") diff --git a/types/field_type.go b/types/field_type.go index d46b570424676..246978eeb28aa 100644 --- a/types/field_type.go +++ b/types/field_type.go @@ -357,926 +357,926 @@ const ( var fieldTypeMergeRules = [fieldTypeNum][fieldTypeNum]byte{ /* mysql.TypeUnspecified -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeNewDecimal, mysql.TypeNewDecimal, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeNewDecimal, mysql.TypeNewDecimal, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeDouble, mysql.TypeDouble, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeNewDecimal, mysql.TypeVarchar, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeUnspecified, mysql.TypeUnspecified, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeNewDecimal, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeTiny -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeNewDecimal, mysql.TypeTiny, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeShort, mysql.TypeLong, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeFloat, mysql.TypeDouble, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeTiny, mysql.TypeVarchar, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeLonglong, mysql.TypeInt24, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeVarchar, mysql.TypeTiny, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeNewDecimal, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeShort -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeNewDecimal, mysql.TypeShort, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeShort, mysql.TypeLong, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeFloat, mysql.TypeDouble, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeShort, mysql.TypeVarchar, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeLonglong, mysql.TypeInt24, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeVarchar, mysql.TypeShort, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeNewDecimal, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeLong -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeNewDecimal, mysql.TypeLong, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeLong, mysql.TypeLong, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeDouble, mysql.TypeDouble, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeLong, mysql.TypeVarchar, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeLonglong, mysql.TypeLong, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeVarchar, mysql.TypeLong, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeNewDecimal, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeFloat -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeDouble, mysql.TypeFloat, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeFloat, mysql.TypeDouble, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeFloat, mysql.TypeDouble, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeFloat, mysql.TypeVarchar, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeFloat, mysql.TypeFloat, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeVarchar, mysql.TypeFloat, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeDouble, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeDouble -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeDouble, mysql.TypeDouble, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeDouble, mysql.TypeDouble, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeDouble, mysql.TypeDouble, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeDouble, mysql.TypeVarchar, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeDouble, mysql.TypeDouble, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeVarchar, mysql.TypeDouble, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeDouble, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeNull -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeNewDecimal, mysql.TypeTiny, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeShort, mysql.TypeLong, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeFloat, mysql.TypeDouble, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeNull, mysql.TypeTimestamp, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeLonglong, mysql.TypeLonglong, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeDate, mysql.TypeDuration, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeDatetime, mysql.TypeYear, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeNewDate, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeBit, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeJSON, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeNewDecimal, mysql.TypeEnum, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeSet, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeGeometry, }, /* mysql.TypeTimestamp -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeTimestamp, mysql.TypeTimestamp, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeDatetime, mysql.TypeDatetime, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeDatetime, mysql.TypeVarchar, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeNewDate, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeLonglong -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeNewDecimal, mysql.TypeLonglong, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeLonglong, mysql.TypeLonglong, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeDouble, mysql.TypeDouble, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeLonglong, mysql.TypeVarchar, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeLonglong, mysql.TypeLong, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeVarchar, mysql.TypeLonglong, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeNewDate, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeNewDecimal, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeInt24 -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeNewDecimal, mysql.TypeInt24, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeInt24, mysql.TypeLong, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeFloat, mysql.TypeDouble, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeInt24, mysql.TypeVarchar, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeLonglong, mysql.TypeInt24, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeVarchar, mysql.TypeInt24, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeNewDate, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeNewDecimal, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeDate -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeDate, mysql.TypeDatetime, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeDate, mysql.TypeDatetime, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeDatetime, mysql.TypeVarchar, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeNewDate, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeTime -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeDuration, mysql.TypeDatetime, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeDatetime, mysql.TypeDuration, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeDatetime, mysql.TypeVarchar, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeNewDate, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeDatetime -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeDatetime, mysql.TypeDatetime, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeDatetime, mysql.TypeDatetime, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeDatetime, mysql.TypeVarchar, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeNewDate, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeYear -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeUnspecified, mysql.TypeTiny, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeShort, mysql.TypeLong, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeFloat, mysql.TypeDouble, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeYear, mysql.TypeVarchar, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeLonglong, mysql.TypeInt24, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeVarchar, mysql.TypeYear, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeNewDecimal, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeNewDate -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeNewDate, mysql.TypeDatetime, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeNewDate, mysql.TypeDatetime, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeDatetime, mysql.TypeVarchar, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeNewDate, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeVarchar -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeVarchar, mysql.TypeVarchar, }, /* mysql.TypeBit -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeBit, mysql.TypeVarchar, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeBit, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeJSON -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNewFloat mysql.TypeDouble + // mysql.TypeNewFloat mysql.TypeDouble mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeJSON, mysql.TypeVarchar, - //mysql.TypeLongLONG mysql.TypeInt24 + // mysql.TypeLongLONG mysql.TypeInt24 mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDate MYSQL_TYPE_TIME + // mysql.TypeDate MYSQL_TYPE_TIME mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDatetime MYSQL_TYPE_YEAR + // mysql.TypeDatetime MYSQL_TYPE_YEAR mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeJSON, - //mysql.TypeNewDecimal MYSQL_TYPE_ENUM + // mysql.TypeNewDecimal MYSQL_TYPE_ENUM mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeLongBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeLongBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeLongBlob, mysql.TypeVarchar, - //mysql.TypeString MYSQL_TYPE_GEOMETRY + // mysql.TypeString MYSQL_TYPE_GEOMETRY mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeNewDecimal -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeNewDecimal, mysql.TypeNewDecimal, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeNewDecimal, mysql.TypeNewDecimal, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeDouble, mysql.TypeDouble, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeNewDecimal, mysql.TypeVarchar, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeNewDecimal, mysql.TypeNewDecimal, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeVarchar, mysql.TypeNewDecimal, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeNewDecimal, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeEnum -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeEnum, mysql.TypeVarchar, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeSet -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeSet, mysql.TypeVarchar, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeVarchar, }, /* mysql.TypeTinyBlob -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeTinyBlob, mysql.TypeTinyBlob, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeTinyBlob, mysql.TypeTinyBlob, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeTinyBlob, mysql.TypeTinyBlob, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeTinyBlob, mysql.TypeTinyBlob, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeTinyBlob, mysql.TypeTinyBlob, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeTinyBlob, mysql.TypeTinyBlob, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeTinyBlob, mysql.TypeTinyBlob, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeTinyBlob, mysql.TypeTinyBlob, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeTinyBlob, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeLongBlob, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeTinyBlob, mysql.TypeTinyBlob, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeTinyBlob, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeTinyBlob, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeTinyBlob, mysql.TypeTinyBlob, }, /* mysql.TypeMediumBlob -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeMediumBlob, mysql.TypeMediumBlob, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeMediumBlob, mysql.TypeMediumBlob, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeMediumBlob, mysql.TypeMediumBlob, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeMediumBlob, mysql.TypeMediumBlob, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeMediumBlob, mysql.TypeMediumBlob, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeMediumBlob, mysql.TypeMediumBlob, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeMediumBlob, mysql.TypeMediumBlob, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeMediumBlob, mysql.TypeMediumBlob, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeMediumBlob, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeLongBlob, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeMediumBlob, mysql.TypeMediumBlob, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeMediumBlob, mysql.TypeMediumBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeMediumBlob, mysql.TypeMediumBlob, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeMediumBlob, mysql.TypeMediumBlob, }, /* mysql.TypeLongBlob -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeLongBlob, mysql.TypeLongBlob, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeLongBlob, mysql.TypeLongBlob, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeLongBlob, mysql.TypeLongBlob, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeLongBlob, mysql.TypeLongBlob, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeLongBlob, mysql.TypeLongBlob, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeLongBlob, mysql.TypeLongBlob, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeLongBlob, mysql.TypeLongBlob, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeLongBlob, mysql.TypeLongBlob, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeLongBlob, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeLongBlob, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeLongBlob, mysql.TypeLongBlob, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeLongBlob, mysql.TypeLongBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeLongBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeLongBlob, mysql.TypeLongBlob, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeLongBlob, mysql.TypeLongBlob, }, /* mysql.TypeBlob -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeBlob, mysql.TypeBlob, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeBlob, mysql.TypeBlob, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeBlob, mysql.TypeBlob, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeBlob, mysql.TypeBlob, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeBlob, mysql.TypeBlob, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeBlob, mysql.TypeBlob, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeBlob, mysql.TypeBlob, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeBlob, mysql.TypeBlob, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeBlob, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeLongBlob, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeBlob, mysql.TypeBlob, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeBlob, mysql.TypeBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeBlob, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeBlob, mysql.TypeBlob, }, /* mysql.TypeVarString -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeVarchar, mysql.TypeVarchar, }, /* mysql.TypeString -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeString, mysql.TypeString, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeString, mysql.TypeString, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeString, mysql.TypeString, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeString, mysql.TypeString, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeString, mysql.TypeString, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeString, mysql.TypeString, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeString, mysql.TypeString, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeString, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeString, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeString, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeString, mysql.TypeString, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeString, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeString, }, /* mysql.TypeGeometry -> */ { - //mysql.TypeUnspecified mysql.TypeTiny + // mysql.TypeUnspecified mysql.TypeTiny mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeShort mysql.TypeLong + // mysql.TypeShort mysql.TypeLong mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeFloat mysql.TypeDouble + // mysql.TypeFloat mysql.TypeDouble mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNull mysql.TypeTimestamp + // mysql.TypeNull mysql.TypeTimestamp mysql.TypeGeometry, mysql.TypeVarchar, - //mysql.TypeLonglong mysql.TypeInt24 + // mysql.TypeLonglong mysql.TypeInt24 mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDate mysql.TypeTime + // mysql.TypeDate mysql.TypeTime mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeDatetime mysql.TypeYear + // mysql.TypeDatetime mysql.TypeYear mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeNewDate mysql.TypeVarchar + // mysql.TypeNewDate mysql.TypeVarchar mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeBit <16>-<244> + // mysql.TypeBit <16>-<244> mysql.TypeVarchar, - //mysql.TypeJSON + // mysql.TypeJSON mysql.TypeVarchar, - //mysql.TypeNewDecimal mysql.TypeEnum + // mysql.TypeNewDecimal mysql.TypeEnum mysql.TypeVarchar, mysql.TypeVarchar, - //mysql.TypeSet mysql.TypeTinyBlob + // mysql.TypeSet mysql.TypeTinyBlob mysql.TypeVarchar, mysql.TypeTinyBlob, - //mysql.TypeMediumBlob mysql.TypeLongBlob + // mysql.TypeMediumBlob mysql.TypeLongBlob mysql.TypeMediumBlob, mysql.TypeLongBlob, - //mysql.TypeBlob mysql.TypeVarString + // mysql.TypeBlob mysql.TypeVarString mysql.TypeBlob, mysql.TypeVarchar, - //mysql.TypeString mysql.TypeGeometry + // mysql.TypeString mysql.TypeGeometry mysql.TypeString, mysql.TypeGeometry, }, } diff --git a/types/json/binary.go b/types/json/binary.go index 076db6b1df7f0..b631b5c0de37e 100644 --- a/types/json/binary.go +++ b/types/json/binary.go @@ -145,7 +145,7 @@ func (bj BinaryJSON) marshalTo(buf []byte) ([]byte, error) { return buf, nil } -//IsZero return a boolean indicate whether BinaryJSON is Zero +// IsZero return a boolean indicate whether BinaryJSON is Zero func (bj BinaryJSON) IsZero() bool { isZero := false switch bj.TypeCode { diff --git a/types/json/binary_functions.go b/types/json/binary_functions.go index 3cccc8baa462c..f8d97308bd0b0 100644 --- a/types/json/binary_functions.go +++ b/types/json/binary_functions.go @@ -980,7 +980,7 @@ func (bj BinaryJSON) extractToCallback(pathExpr PathExpression, callbackFn extra elemCount := bj.GetElemCount() if currentLeg.arrayIndex == arrayIndexAsterisk { for i := 0; i < elemCount; i++ { - //buf = bj.arrayGetElem(i).extractTo(buf, subPathExpr) + // buf = bj.arrayGetElem(i).extractTo(buf, subPathExpr) path := fullpath.pushBackOneIndexLeg(i) stop, err = bj.arrayGetElem(i).extractToCallback(subPathExpr, callbackFn, path) if stop || err != nil { @@ -988,7 +988,7 @@ func (bj BinaryJSON) extractToCallback(pathExpr PathExpression, callbackFn extra } } } else if currentLeg.arrayIndex < elemCount { - //buf = bj.arrayGetElem(currentLeg.arrayIndex).extractTo(buf, subPathExpr) + // buf = bj.arrayGetElem(currentLeg.arrayIndex).extractTo(buf, subPathExpr) path := fullpath.pushBackOneIndexLeg(currentLeg.arrayIndex) stop, err = bj.arrayGetElem(currentLeg.arrayIndex).extractToCallback(subPathExpr, callbackFn, path) if stop || err != nil { @@ -999,7 +999,7 @@ func (bj BinaryJSON) extractToCallback(pathExpr PathExpression, callbackFn extra elemCount := bj.GetElemCount() if currentLeg.dotKey == "*" { for i := 0; i < elemCount; i++ { - //buf = bj.objectGetVal(i).extractTo(buf, subPathExpr) + // buf = bj.objectGetVal(i).extractTo(buf, subPathExpr) path := fullpath.pushBackOneKeyLeg(string(bj.objectGetKey(i))) stop, err = bj.objectGetVal(i).extractToCallback(subPathExpr, callbackFn, path) if stop || err != nil { @@ -1009,7 +1009,7 @@ func (bj BinaryJSON) extractToCallback(pathExpr PathExpression, callbackFn extra } else { child, ok := bj.objectSearchKey(hack.Slice(currentLeg.dotKey)) if ok { - //buf = child.extractTo(buf, subPathExpr) + // buf = child.extractTo(buf, subPathExpr) path := fullpath.pushBackOneKeyLeg(currentLeg.dotKey) stop, err = child.extractToCallback(subPathExpr, callbackFn, path) if stop || err != nil { @@ -1018,7 +1018,7 @@ func (bj BinaryJSON) extractToCallback(pathExpr PathExpression, callbackFn extra } } } else if currentLeg.typ == pathLegDoubleAsterisk { - //buf = bj.extractTo(buf, subPathExpr) + // buf = bj.extractTo(buf, subPathExpr) stop, err = bj.extractToCallback(subPathExpr, callbackFn, fullpath) if stop || err != nil { return @@ -1027,7 +1027,7 @@ func (bj BinaryJSON) extractToCallback(pathExpr PathExpression, callbackFn extra if bj.TypeCode == TypeCodeArray { elemCount := bj.GetElemCount() for i := 0; i < elemCount; i++ { - //buf = bj.arrayGetElem(i).extractTo(buf, pathExpr) + // buf = bj.arrayGetElem(i).extractTo(buf, pathExpr) path := fullpath.pushBackOneIndexLeg(i) stop, err = bj.arrayGetElem(i).extractToCallback(pathExpr, callbackFn, path) if stop || err != nil { @@ -1037,7 +1037,7 @@ func (bj BinaryJSON) extractToCallback(pathExpr PathExpression, callbackFn extra } else if bj.TypeCode == TypeCodeObject { elemCount := bj.GetElemCount() for i := 0; i < elemCount; i++ { - //buf = bj.objectGetVal(i).extractTo(buf, pathExpr) + // buf = bj.objectGetVal(i).extractTo(buf, pathExpr) path := fullpath.pushBackOneKeyLeg(string(bj.objectGetKey(i))) stop, err = bj.objectGetVal(i).extractToCallback(pathExpr, callbackFn, path) if stop || err != nil { diff --git a/util/chunk/chunk_test.go b/util/chunk/chunk_test.go index 2adb5f114ab29..184ad1f6a22a6 100644 --- a/util/chunk/chunk_test.go +++ b/util/chunk/chunk_test.go @@ -560,7 +560,7 @@ func (s *testChunkSuite) TestChunkMemoryUsage(c *check.C) { initCap := 10 chk := NewChunkWithCapacity(fieldTypes, initCap) - //cap(c.nullBitmap) + cap(c.offsets)*8 + cap(c.data) + cap(c.elemBuf) + // cap(c.nullBitmap) + cap(c.offsets)*8 + cap(c.data) + cap(c.elemBuf) colUsage := make([]int, len(fieldTypes)) colUsage[0] = (initCap+7)>>3 + 0 + initCap*4 + 4 colUsage[1] = (initCap+7)>>3 + (initCap+1)*8 + initCap*8 + 0 diff --git a/util/chunk/pool_test.go b/util/chunk/pool_test.go index e30f3bd6b256c..0cdc34a2ab96f 100644 --- a/util/chunk/pool_test.go +++ b/util/chunk/pool_test.go @@ -46,8 +46,8 @@ func (s *poolTestSuite) TestPoolGetChunk(c *check.C) { {Tp: mysql.TypeNewDecimal}, {Tp: mysql.TypeDouble}, {Tp: mysql.TypeLonglong}, - //{Tp: mysql.TypeTimestamp}, - //{Tp: mysql.TypeDatetime}, + // {Tp: mysql.TypeTimestamp}, + // {Tp: mysql.TypeDatetime}, } chk := pool.GetChunk(fieldTypes) @@ -59,15 +59,15 @@ func (s *poolTestSuite) TestPoolGetChunk(c *check.C) { c.Assert(len(chk.columns[3].elemBuf), check.Equals, getFixedLen(fieldTypes[3])) c.Assert(len(chk.columns[4].elemBuf), check.Equals, getFixedLen(fieldTypes[4])) c.Assert(len(chk.columns[5].elemBuf), check.Equals, getFixedLen(fieldTypes[5])) - //c.Assert(len(chk.columns[6].elemBuf), check.Equals, getFixedLen(fieldTypes[6])) - //c.Assert(len(chk.columns[7].elemBuf), check.Equals, getFixedLen(fieldTypes[7])) + // c.Assert(len(chk.columns[6].elemBuf), check.Equals, getFixedLen(fieldTypes[6])) + // c.Assert(len(chk.columns[7].elemBuf), check.Equals, getFixedLen(fieldTypes[7])) c.Assert(cap(chk.columns[2].data), check.Equals, initCap*getFixedLen(fieldTypes[2])) c.Assert(cap(chk.columns[3].data), check.Equals, initCap*getFixedLen(fieldTypes[3])) c.Assert(cap(chk.columns[4].data), check.Equals, initCap*getFixedLen(fieldTypes[4])) c.Assert(cap(chk.columns[5].data), check.Equals, initCap*getFixedLen(fieldTypes[5])) - //c.Assert(cap(chk.columns[6].data), check.Equals, initCap*getFixedLen(fieldTypes[6])) - //c.Assert(cap(chk.columns[7].data), check.Equals, initCap*getFixedLen(fieldTypes[7])) + // c.Assert(cap(chk.columns[6].data), check.Equals, initCap*getFixedLen(fieldTypes[6])) + // c.Assert(cap(chk.columns[7].data), check.Equals, initCap*getFixedLen(fieldTypes[7])) } func (s *poolTestSuite) TestPoolPutChunk(c *check.C) { diff --git a/util/collate/collate.go b/util/collate/collate.go index 5c251de625f0b..e4d3160890a73 100644 --- a/util/collate/collate.go +++ b/util/collate/collate.go @@ -175,10 +175,10 @@ func CollationID2Name(id int32) string { collation, err := charset.GetCollationByID(int(id)) if err != nil { // TODO(bb7133): fix repeating logs when the following code is uncommented. - //logutil.BgLogger().Warn( - // "Unable to get collation name from ID, use default collation instead.", - // zap.Int32("ID", id), - // zap.Stack("stack")) + // logutil.BgLogger().Warn( + // "Unable to get collation name from ID, use default collation instead.", + // zap.Int32("ID", id), + // zap.Stack("stack")) return mysql.DefaultCollationName } return collation.Name diff --git a/util/encrypt/crypt.go b/util/encrypt/crypt.go index 6b6b4c207b531..3531fada7c34f 100644 --- a/util/encrypt/crypt.go +++ b/util/encrypt/crypt.go @@ -106,7 +106,7 @@ func (sc *sqlCrypt) decode(str []byte, length int) { } } -//SQLDecode Function to handle the decode() function +// SQLDecode Function to handle the decode() function func SQLDecode(str string, password string) (string, error) { var sc sqlCrypt diff --git a/util/hint/hint_processor.go b/util/hint/hint_processor.go index 62e1e734f99fc..f95326d5d81a8 100644 --- a/util/hint/hint_processor.go +++ b/util/hint/hint_processor.go @@ -84,7 +84,7 @@ func ExtractTableHintsFromStmtNode(node ast.Node, sctx sessionctx.Context) []*as case *ast.DeleteStmt: return x.TableHints case *ast.InsertStmt: - //check duplicated hints + // check duplicated hints checkInsertStmtHintDuplicated(node, sctx) return x.TableHints case *ast.ExplainStmt: diff --git a/util/ranger/ranger_test.go b/util/ranger/ranger_test.go index 45a59cd32f665..9f00d6ddaa749 100644 --- a/util/ranger/ranger_test.go +++ b/util/ranger/ranger_test.go @@ -960,11 +960,11 @@ func (s *testRangerSuite) TestColumnRange(c *C) { resultStr: "[[-inf,1) (2,+inf]]", length: types.UnspecifiedLength, }, - //{ - // `a > null` will be converted to `castAsString(a) > null` which can not be extracted as access condition. - // exprStr: "a not between null and 0", - // resultStr[(0,+inf]] - //}, + // { + // `a > null` will be converted to `castAsString(a) > null` which can not be extracted as access condition. + // exprStr: "a not between null and 0", + // resultStr[(0,+inf]] + // }, { colPos: 0, exprStr: "a between 2 and 1", diff --git a/util/ranger/types.go b/util/ranger/types.go index 8fef4daf74181..20f7a1509a1ce 100644 --- a/util/ranger/types.go +++ b/util/ranger/types.go @@ -105,7 +105,7 @@ func (ran *Range) IsPointNullable(sc *stmtctx.StatementContext) bool { return !ran.LowExclude && !ran.HighExclude } -//IsFullRange check if the range is full scan range +// IsFullRange check if the range is full scan range func (ran *Range) IsFullRange() bool { if len(ran.LowVal) != len(ran.HighVal) { return false diff --git a/util/rowcodec/rowcodec_test.go b/util/rowcodec/rowcodec_test.go index d3f59f63126c8..cbab631375cbc 100644 --- a/util/rowcodec/rowcodec_test.go +++ b/util/rowcodec/rowcodec_test.go @@ -589,7 +589,7 @@ func (s *testSuite) TestNilAndDefault(c *C) { } } - //decode to chunk. + // decode to chunk. chk := chunk.New(fts, 1, 1) cDecoder := rowcodec.NewChunkDecoder(cols, []int64{-1}, ddf, sc.TimeZone) err = cDecoder.DecodeToChunk(newRow, kv.IntHandle(-1), chk) diff --git a/util/stmtsummary/statement_summary.go b/util/stmtsummary/statement_summary.go index f95f4f0fe8a86..ee096d9babe9c 100644 --- a/util/stmtsummary/statement_summary.go +++ b/util/stmtsummary/statement_summary.go @@ -781,7 +781,7 @@ func (ssElement *stmtSummaryByDigestElement) add(sei *StmtExecInfo, intervalSeco commitDetails.Mu.Unlock() } - //plan cache + // plan cache if sei.PlanInCache { ssElement.planInCache = true ssElement.planCacheHits += 1 diff --git a/util/stringutil/string_util.go b/util/stringutil/string_util.go index 53fc07dc27224..d4ef3166e0e3c 100644 --- a/util/stringutil/string_util.go +++ b/util/stringutil/string_util.go @@ -32,10 +32,10 @@ var ErrSyntax = errors.New("invalid syntax") // or character literal represented by the string s. // It returns four values: // -//1) value, the decoded Unicode code point or byte value; -//2) multibyte, a boolean indicating whether the decoded character requires a multibyte UTF-8 representation; -//3) tail, the remainder of the string after the character; and -//4) an error that will be nil if the character is syntactically valid. +// 1) value, the decoded Unicode code point or byte value; +// 2) multibyte, a boolean indicating whether the decoded character requires a multibyte UTF-8 representation; +// 3) tail, the remainder of the string after the character; and +// 4) an error that will be nil if the character is syntactically valid. // // The second argument, quote, specifies the type of literal being parsed // and therefore which escaped quote character is permitted. From d1d891bc6c35d569e2a3cb706e2f7f6dbb2dd02d Mon Sep 17 00:00:00 2001 From: tangenta Date: Wed, 9 Dec 2020 12:21:48 +0800 Subject: [PATCH 0409/1021] planner: refine the error message when split region by decimal column (#20543) --- executor/executor_test.go | 5 +++++ planner/core/planbuilder.go | 2 +- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index 09903f581eab1..2affecc1728c7 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -4699,6 +4699,11 @@ func (s *testSplitTable) TestClusterIndexSplitTableIntegration(c *C) { tk.MustExec("drop table t;") tk.MustExec("create table t (a int, b int, c int, d int, primary key(d, a, c));") tk.MustQuery("split table t by (0, 0, 0), (1, 2, 3), (65535, 65535, 65535);").Check(testkit.Rows("3 1")) + + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t (a varchar(255), b decimal, c int, primary key (a, b));") + errMsg = "[types:1265]Incorrect value: '' for column 'b'" + tk.MustGetErrMsg("split table t by ('aaa', '')", errMsg) } func (s *testSplitTable) TestClusterIndexShowTableRegion(c *C) { diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index 9bad6169aa178..540e77ee87bdd 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -2837,7 +2837,7 @@ func (b *PlanBuilder) convertValue(valueItem ast.ExprNode, mockTablePlan Logical } d, err = value.ConvertTo(b.ctx.GetSessionVars().StmtCtx, &col.FieldType) if err != nil { - if !types.ErrTruncated.Equal(err) && !types.ErrTruncatedWrongVal.Equal(err) { + if !types.ErrTruncated.Equal(err) && !types.ErrTruncatedWrongVal.Equal(err) && !types.ErrBadNumber.Equal(err) { return d, err } valStr, err1 := value.ToString() From bb0d86536a9986ac12e625620904bf22e836a566 Mon Sep 17 00:00:00 2001 From: JmPotato Date: Wed, 9 Dec 2020 12:35:48 +0800 Subject: [PATCH 0410/1021] doc/design: fix a typo of the README.md (#20590) Signed-off-by: JmPotato --- docs/design/README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/design/README.md b/docs/design/README.md index 793c7cf7e701b..5d71bbaa991f8 100644 --- a/docs/design/README.md +++ b/docs/design/README.md @@ -6,7 +6,7 @@ The design document provides a high-level description of the architecture and im Writing a design document can promote us to think deliberately and gather knowledge from others to get our job done better. An excellent design document is closely related to the success of our task. -## Proprosal Process +## Proposal Process 1. Before starting to write a design document, please [create a new issue](https://github.com/pingcap/tidb/issues/new/choose) for tracing the process of your design. 2. Create a new [Google Doc](https://docs.google.com/document/u/0/) to write the design document. Please refer to this [proposal template](./TEMPLATE.md). From 69b88e48d6b4314579ff53c53ebc84ffa13244d3 Mon Sep 17 00:00:00 2001 From: xufei Date: Wed, 9 Dec 2020 12:49:48 +0800 Subject: [PATCH 0411/1021] tests: add mpp mock test, part 1 (#21367) --- store/mockstore/unistore/client/client.go | 30 + .../unistore/cophandler/closure_exec.go | 611 ++++++++++++++++-- .../unistore/cophandler/cop_handler.go | 96 ++- .../unistore/cophandler/cop_handler_test.go | 2 +- store/mockstore/unistore/cophandler/mpp.go | 154 +++++ store/mockstore/unistore/rpc.go | 57 +- 6 files changed, 879 insertions(+), 71 deletions(-) create mode 100644 store/mockstore/unistore/client/client.go create mode 100644 store/mockstore/unistore/cophandler/mpp.go diff --git a/store/mockstore/unistore/client/client.go b/store/mockstore/unistore/client/client.go new file mode 100644 index 0000000000000..e81a09f7af654 --- /dev/null +++ b/store/mockstore/unistore/client/client.go @@ -0,0 +1,30 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package client + +import ( + "time" + + "github.com/pingcap/tidb/store/tikv/tikvrpc" + "golang.org/x/net/context" +) + +// Client is a client that sends RPC. +// This is same with tikv.Client, define again for avoid circle import. +type Client interface { + // Close should release all data. + Close() error + // SendRequest sends Request. + SendRequest(ctx context.Context, addr string, req *tikvrpc.Request, timeout time.Duration) (*tikvrpc.Response, error) +} diff --git a/store/mockstore/unistore/cophandler/closure_exec.go b/store/mockstore/unistore/cophandler/closure_exec.go index f3f8a999ea0ad..c0f79de205898 100644 --- a/store/mockstore/unistore/cophandler/closure_exec.go +++ b/store/mockstore/unistore/cophandler/closure_exec.go @@ -15,15 +15,19 @@ package cophandler import ( "bytes" + "context" "fmt" + "io" "math" "sort" + "sync" "time" "github.com/ngaut/unistore/tikv/dbreader" "github.com/ngaut/unistore/tikv/mvcc" "github.com/pingcap/errors" "github.com/pingcap/kvproto/pkg/kvrpcpb" + "github.com/pingcap/kvproto/pkg/mpp" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" @@ -32,12 +36,14 @@ import ( "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/sessionctx/stmtctx" + "github.com/pingcap/tidb/store/tikv/tikvrpc" "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/codec" mockpkg "github.com/pingcap/tidb/util/mock" "github.com/pingcap/tidb/util/rowcodec" + "github.com/pingcap/tidb/util/timeutil" "github.com/pingcap/tipb/go-tipb" ) @@ -62,14 +68,10 @@ func mapPkStatusToHandleStatus(pkStatus int) tablecodec.HandleStatus { return tablecodec.HandleDefault } -func getExecutorList(dagReq *tipb.DAGRequest) ([]*tipb.Executor, error) { - if len(dagReq.Executors) > 0 { - return dagReq.Executors, nil - } - // convert TiFlash executors tree to executor list +func getExecutorListFromRootExec(rootExec *tipb.Executor) ([]*tipb.Executor, error) { executors := make([]*tipb.Executor, 0, 3) - currentExec := dagReq.RootExecutor - for currentExec.Tp != tipb.ExecType_TypeTableScan { + currentExec := rootExec + for !isScanNode(currentExec) { executors = append(executors, currentExec) switch currentExec.Tp { case tipb.ExecType_TypeTopN: @@ -78,6 +80,8 @@ func getExecutorList(dagReq *tipb.DAGRequest) ([]*tipb.Executor, error) { currentExec = currentExec.Aggregation.Child case tipb.ExecType_TypeLimit: currentExec = currentExec.Limit.Child + case tipb.ExecType_TypeExchangeSender: + currentExec = currentExec.ExchangeSender.Child default: return nil, errors.New("unsupported executor type " + currentExec.Tp.String()) } @@ -89,36 +93,90 @@ func getExecutorList(dagReq *tipb.DAGRequest) ([]*tipb.Executor, error) { return executors, nil } -// buildClosureExecutor build a closureExecutor for the DAGRequest. -// Currently the composition of executors are: -// tableScan|indexScan [selection] [topN | limit | agg] -func buildClosureExecutor(dagCtx *dagContext, dagReq *tipb.DAGRequest) (*closureExecutor, error) { - ce, err := newClosureExecutor(dagCtx, dagReq) +func getExecutorList(dagReq *tipb.DAGRequest) ([]*tipb.Executor, error) { + if len(dagReq.Executors) > 0 { + return dagReq.Executors, nil + } + // convert TiFlash executors tree to executor list + return getExecutorListFromRootExec(dagReq.RootExecutor) +} + +func buildClosureExecutorForTiFlash(dagCtx *dagContext, rootExecutor *tipb.Executor, mppCtx *MPPCtx) (*closureExecutor, error) { + scanExec, err := getScanExecFromRootExec(rootExecutor) if err != nil { return nil, errors.Trace(err) } - executors, err1 := getExecutorList(dagReq) - if err1 != nil { - return nil, err1 + ce, err := newClosureExecutor(dagCtx, nil, scanExec, false, mppCtx) + if err != nil { + return nil, errors.Trace(err) + } + executors, err := getExecutorListFromRootExec(rootExecutor) + if err != nil { + return nil, errors.Trace(err) + } + err = buildClosureExecutorFromExecutorList(dagCtx, executors, ce, mppCtx) + if err != nil { + return nil, errors.Trace(err) + } + return ce, nil +} + +func buildClosureExecutorFromExecutorList(dagCtx *dagContext, executors []*tipb.Executor, ce *closureExecutor, mppCtx *MPPCtx) error { + if executors[len(executors)-1].Tp == tipb.ExecType_TypeExchangeSender { + ce.exchangeSenderCtx = &exchangeSenderCtx{exchangeSender: executors[len(executors)-1].ExchangeSender} + err := ce.exchangeSenderCtx.init(mppCtx) + if err != nil { + return err + } + } else { + ce.exchangeSenderCtx = nil + } + extraExecutorLength := 0 + if ce.exchangeSenderCtx != nil { + extraExecutorLength = 1 } scanExec := executors[0] if scanExec.Tp == tipb.ExecType_TypeTableScan { ce.processor = &tableScanProcessor{closureExecutor: ce} - } else { + } else if scanExec.Tp == tipb.ExecType_TypeIndexScan { ce.processor = &indexScanProcessor{closureExecutor: ce} + } else if scanExec.Tp == tipb.ExecType_TypeJoin || scanExec.Tp == tipb.ExecType_TypeExchangeReceiver { + ce.processor = &mockReaderScanProcessor{closureExecutor: ce} + } + outputFieldTypes := make([]*types.FieldType, 0, 1) + lastExecutor := executors[len(executors)-1-extraExecutorLength] + originalOutputFieldTypes := dagCtx.fieldTps + if lastExecutor.Tp == tipb.ExecType_TypeAggregation || lastExecutor.Tp == tipb.ExecType_TypeStreamAgg { + originalOutputFieldTypes = nil + for _, agg := range lastExecutor.Aggregation.AggFunc { + originalOutputFieldTypes = append(originalOutputFieldTypes, expression.PbTypeToFieldType(agg.FieldType)) + } + for _, gby := range lastExecutor.Aggregation.GroupBy { + originalOutputFieldTypes = append(originalOutputFieldTypes, expression.PbTypeToFieldType(gby.FieldType)) + } + } + if ce.outputOff != nil { + for _, idx := range ce.outputOff { + outputFieldTypes = append(outputFieldTypes, originalOutputFieldTypes[idx]) + } + } else { + for _, tp := range originalOutputFieldTypes { + outputFieldTypes = append(outputFieldTypes, tp) + } } - if len(executors) == 1 { - return ce, nil + if len(executors) == 1+extraExecutorLength { + ce.resultFieldType = outputFieldTypes + return nil } + var err error = nil if secondExec := executors[1]; secondExec.Tp == tipb.ExecType_TypeSelection { ce.selectionCtx.conditions, err = convertToExprs(ce.sc, ce.fieldTps, secondExec.Selection.Conditions) if err != nil { - return nil, errors.Trace(err) + return errors.Trace(err) } ce.selectionCtx.execDetail = new(execDetail) ce.processor = &selectionProcessor{closureExecutor: ce} } - lastExecutor := executors[len(executors)-1] switch lastExecutor.Tp { case tipb.ExecType_TypeLimit: ce.limit = int(lastExecutor.Limit.Limit) @@ -131,8 +189,33 @@ func buildClosureExecutor(dagCtx *dagContext, dagReq *tipb.DAGRequest) (*closure case tipb.ExecType_TypeSelection: ce.processor = &selectionProcessor{closureExecutor: ce} default: - panic("unknown executor type " + lastExecutor.Tp.String()) + panic("unsupported executor type " + lastExecutor.Tp.String()) } + if err != nil { + return err + } + ce.resultFieldType = outputFieldTypes + return nil +} + +// buildClosureExecutor build a closureExecutor for the DAGRequest. +// Currently the composition of executors are: +// tableScan|indexScan [selection] [topN | limit | agg] +func buildClosureExecutor(dagCtx *dagContext, dagReq *tipb.DAGRequest, mppCtx *MPPCtx) (*closureExecutor, error) { + scanExec, err := getScanExec(dagReq) + if err != nil { + return nil, err + } + ce, err := newClosureExecutor(dagCtx, dagReq.OutputOffsets, scanExec, dagReq.GetCollectRangeCounts(), mppCtx) + if err != nil { + return nil, errors.Trace(err) + } + executors, err1 := getExecutorList(dagReq) + if err1 != nil { + return nil, err1 + } + + err = buildClosureExecutorFromExecutorList(dagCtx, executors, ce, mppCtx) if err != nil { return nil, err } @@ -151,12 +234,19 @@ func convertToExprs(sc *stmtctx.StatementContext, fieldTps []*types.FieldType, p return exprs, nil } -func getScanExec(dagReq *tipb.DAGRequest) (*tipb.Executor, error) { - if len(dagReq.Executors) > 0 { - return dagReq.Executors[0], nil +func isScanNode(executor *tipb.Executor) bool { + switch executor.Tp { + case tipb.ExecType_TypeTableScan, tipb.ExecType_TypeExchangeReceiver, + tipb.ExecType_TypeIndexScan, tipb.ExecType_TypeJoin: + return true + default: + return false } - currentExec := dagReq.RootExecutor - for currentExec.Tp != tipb.ExecType_TypeTableScan { +} + +func getScanExecFromRootExec(rootExec *tipb.Executor) (*tipb.Executor, error) { + currentExec := rootExec + for !isScanNode(currentExec) { switch currentExec.Tp { case tipb.ExecType_TypeAggregation, tipb.ExecType_TypeStreamAgg: currentExec = currentExec.Aggregation.Child @@ -166,6 +256,8 @@ func getScanExec(dagReq *tipb.DAGRequest) (*tipb.Executor, error) { currentExec = currentExec.Selection.Child case tipb.ExecType_TypeTopN: currentExec = currentExec.TopN.Child + case tipb.ExecType_TypeExchangeSender: + currentExec = currentExec.ExchangeSender.Child default: return nil, errors.New("Unsupported DAG request") } @@ -173,30 +265,52 @@ func getScanExec(dagReq *tipb.DAGRequest) (*tipb.Executor, error) { return currentExec, nil } -func newClosureExecutor(dagCtx *dagContext, dagReq *tipb.DAGRequest) (*closureExecutor, error) { +func getScanExec(dagReq *tipb.DAGRequest) (*tipb.Executor, error) { + if len(dagReq.Executors) > 0 { + return dagReq.Executors[0], nil + } + return getScanExecFromRootExec(dagReq.RootExecutor) +} + +func newClosureExecutor(dagCtx *dagContext, outputOffsets []uint32, scanExec *tipb.Executor, collectRangeCounts bool, mppCtx *MPPCtx) (*closureExecutor, error) { e := &closureExecutor{ dagContext: dagCtx, - outputOff: dagReq.OutputOffsets, + outputOff: outputOffsets, startTS: dagCtx.startTS, limit: math.MaxInt64, } seCtx := mockpkg.NewContext() seCtx.GetSessionVars().StmtCtx = e.sc e.seCtx = seCtx - scanExec, err := getScanExec(dagReq) - if err != nil { - return nil, err - } switch scanExec.Tp { case tipb.ExecType_TypeTableScan: + dagCtx.setColumnInfo(scanExec.TblScan.Columns) + dagCtx.primaryCols = scanExec.TblScan.PrimaryColumnIds tblScan := scanExec.TblScan e.unique = true e.scanCtx.desc = tblScan.Desc + e.scanType = TableScan case tipb.ExecType_TypeIndexScan: + dagCtx.setColumnInfo(scanExec.IdxScan.Columns) idxScan := scanExec.IdxScan e.unique = idxScan.GetUnique() e.scanCtx.desc = idxScan.Desc e.initIdxScanCtx(idxScan) + e.scanType = IndexScan + case tipb.ExecType_TypeExchangeReceiver: + dagCtx.fillColumnInfo(scanExec.ExchangeReceiver.FieldTypes) + e.unique = false + e.scanCtx.desc = false + e.initExchangeScanCtx(scanExec.ExchangeReceiver, mppCtx) + e.scanType = ExchangeScan + case tipb.ExecType_TypeJoin: + e.unique = false + e.scanCtx.desc = false + err := e.initJoinScanCtx(dagCtx, scanExec.Join, mppCtx) + if err != nil { + return nil, errors.Trace(err) + } + e.scanType = JoinScan default: panic(fmt.Sprintf("unknown first executor type %s", scanExec.Tp)) } @@ -204,12 +318,12 @@ func newClosureExecutor(dagCtx *dagContext, dagReq *tipb.DAGRequest) (*closureEx if err != nil { return nil, errors.Trace(err) } - if dagReq.GetCollectRangeCounts() { + if collectRangeCounts { e.counts = make([]int64, len(ranges)) } e.kvRanges = ranges e.scanCtx.chk = chunk.NewChunkWithCapacity(e.fieldTps, 32) - if e.idxScanCtx == nil { + if e.scanType == TableScan { e.scanCtx.decoder, err = e.evalContext.newRowDecoder() if err != nil { return nil, errors.Trace(err) @@ -219,6 +333,68 @@ func newClosureExecutor(dagCtx *dagContext, dagReq *tipb.DAGRequest) (*closureEx return e, nil } +func (e *closureExecutor) initExchangeScanCtx(exchangeScan *tipb.ExchangeReceiver, mppCtx *MPPCtx) { + e.exchangeScanCtx = (&exchangeScanCtx{exchangeReceiver: exchangeScan, mppCtx: mppCtx}).init() +} + +func (e *closureExecutor) initJoinScanCtx(dagCtx *dagContext, join *tipb.Join, mppCtx *MPPCtx) error { + if join.JoinType != tipb.JoinType_TypeInnerJoin { + return errors.New("Only support Inner join right now") + } + if len(join.LeftJoinKeys) > 1 || len(join.RightJoinKeys) > 1 { + return errors.New("Only 1 join key is allowed right now") + } + if len(join.LeftConditions)+len(join.RightConditions)+len(join.OtherConditions) > 1 { + return errors.New("LeftCondition/RightConditions/OtherConditions is not supported right now") + } + e.joinScanCtx = new(joinScanCtx) + e.joinScanCtx.join = join + e.joinScanCtx.finalSchema = make([]*types.FieldType, 0) + e.joinScanCtx.innerIndex = int(join.InnerIdx) + + buildDagCtx := *dagCtx + buildDagCtx.evalContext = &evalContext{sc: dagCtx.sc} + var err error + e.joinScanCtx.buildExec, err = buildClosureExecutorForTiFlash(&buildDagCtx, join.Children[join.InnerIdx], mppCtx) + if err != nil { + return err + } + probeDagCtx := *dagCtx + probeDagCtx.evalContext = &evalContext{sc: dagCtx.sc} + e.joinScanCtx.probeExec, err = buildClosureExecutorForTiFlash(&probeDagCtx, join.Children[1-join.InnerIdx], mppCtx) + if err != nil { + return err + } + var buildKeys, probeKeys []expression.Expression + if join.InnerIdx == 0 { + buildKeys, err = convertToExprs(e.joinScanCtx.buildExec.sc, e.joinScanCtx.buildExec.resultFieldType, join.LeftJoinKeys) + if err != nil { + return errors.Trace(err) + } + probeKeys, err = convertToExprs(e.joinScanCtx.probeExec.sc, e.joinScanCtx.probeExec.resultFieldType, join.RightJoinKeys) + if err != nil { + return errors.Trace(err) + } + e.joinScanCtx.finalSchema = append(e.joinScanCtx.finalSchema, e.joinScanCtx.buildExec.resultFieldType...) + e.joinScanCtx.finalSchema = append(e.joinScanCtx.finalSchema, e.joinScanCtx.probeExec.resultFieldType...) + } else { + buildKeys, err = convertToExprs(e.joinScanCtx.buildExec.sc, e.joinScanCtx.buildExec.resultFieldType, join.RightJoinKeys) + if err != nil { + return errors.Trace(err) + } + probeKeys, err = convertToExprs(e.joinScanCtx.probeExec.sc, e.joinScanCtx.probeExec.resultFieldType, join.LeftJoinKeys) + if err != nil { + return errors.Trace(err) + } + e.joinScanCtx.finalSchema = append(e.joinScanCtx.finalSchema, e.joinScanCtx.probeExec.resultFieldType...) + e.joinScanCtx.finalSchema = append(e.joinScanCtx.finalSchema, e.joinScanCtx.buildExec.resultFieldType...) + } + e.joinScanCtx.buildKey = buildKeys[0].(*expression.Column) + e.joinScanCtx.probeKey = probeKeys[0].(*expression.Column) + dagCtx.fillColumnInfoFromTPs(e.joinScanCtx.finalSchema) + return nil +} + func (e *closureExecutor) initIdxScanCtx(idxScan *tipb.IndexScan) { e.idxScanCtx = new(idxScanCtx) e.idxScanCtx.columnLen = len(e.columnInfos) @@ -382,22 +558,41 @@ func (e *execDetail) buildSummary() *tipb.ExecutorExecutionSummary { } } +type scanType uint8 + +const ( + // TableScan means reading from a table by table scan + TableScan scanType = iota + // IndexScan means reading from a table by index scan + IndexScan + // JoinScan means reading from a join result + JoinScan + // ExchangeScan means reading from exchange client(used in MPP execution) + ExchangeScan +) + // closureExecutor is an execution engine that flatten the DAGRequest.Executors to a single closure `processor` that // process key/value pairs. We can define many closures for different kinds of requests, try to use the specially // optimized one for some frequently used query. type closureExecutor struct { *dagContext - outputOff []uint32 - seCtx sessionctx.Context - kvRanges []kv.KeyRange - startTS uint64 - ignoreLock bool - lockChecked bool - scanCtx scanCtx - idxScanCtx *idxScanCtx - selectionCtx selectionCtx - aggCtx aggCtx - topNCtx *topNCtx + outputOff []uint32 + resultFieldType []*types.FieldType + seCtx sessionctx.Context + kvRanges []kv.KeyRange + startTS uint64 + ignoreLock bool + lockChecked bool + scanType scanType + scanCtx scanCtx + idxScanCtx *idxScanCtx + joinScanCtx *joinScanCtx + exchangeScanCtx *exchangeScanCtx + selectionCtx selectionCtx + aggCtx aggCtx + topNCtx *topNCtx + exchangeSenderCtx *exchangeSenderCtx + mockReader *mockReader rowCount int unique bool @@ -410,6 +605,21 @@ type closureExecutor struct { counts []int64 } +func pbChunkToChunk(pbChk tipb.Chunk, chk *chunk.Chunk, fieldTypes []*types.FieldType) error { + rowsData := pbChk.RowsData + var err error + decoder := codec.NewDecoder(chk, timeutil.SystemLocation()) + for len(rowsData) > 0 { + for i := 0; i < len(fieldTypes); i++ { + rowsData, err = decoder.DecodeOne(rowsData, i, fieldTypes[i]) + if err != nil { + return err + } + } + } + return nil +} + type closureProcessor interface { dbreader.ScanProcessor Finish() error @@ -428,6 +638,199 @@ type scanCtx struct { execDetail *execDetail } +type joinScanCtx struct { + chk *chunk.Chunk + buildExec *closureExecutor + probeExec *closureExecutor + buildKey *expression.Column + probeKey *expression.Column + finalSchema []*types.FieldType + innerIndex int + join *tipb.Join +} + +func (joinCtx *joinScanCtx) doJoin() error { + buildPbChunks, err := joinCtx.buildExec.execute() + if err != nil { + return err + } + buildChunk := chunk.NewChunkWithCapacity(joinCtx.buildExec.fieldTps, 0) + for _, pbChunk := range buildPbChunks { + chk := chunk.NewChunkWithCapacity(joinCtx.buildExec.fieldTps, 0) + err = pbChunkToChunk(pbChunk, chk, joinCtx.buildExec.fieldTps) + if err != nil { + return err + } + buildChunk.Append(chk, 0, chk.NumRows()) + } + probePbChunks, err := joinCtx.probeExec.execute() + if err != nil { + return err + } + probeChunk := chunk.NewChunkWithCapacity(joinCtx.probeExec.fieldTps, 0) + for _, pbChunk := range probePbChunks { + chk := chunk.NewChunkWithCapacity(joinCtx.probeExec.fieldTps, 0) + err = pbChunkToChunk(pbChunk, chk, joinCtx.probeExec.fieldTps) + if err != nil { + return err + } + probeChunk.Append(chk, 0, chk.NumRows()) + } + // build hash table + hashMap := make(map[string][]int) + for i := 0; i < buildChunk.NumRows(); i++ { + keyColString := string(buildChunk.Column(joinCtx.buildKey.Index).GetRaw(i)) + if rowSet, ok := hashMap[keyColString]; ok { + rowSet = append(rowSet, i) + hashMap[keyColString] = rowSet + } else { + hashMap[keyColString] = []int{i} + } + } + joinCtx.chk = chunk.NewChunkWithCapacity(joinCtx.finalSchema, 0) + // probe + for i := 0; i < probeChunk.NumRows(); i++ { + if rowSet, ok := hashMap[string(probeChunk.Column(joinCtx.probeKey.Index).GetRaw(i))]; ok { + // construct output row + if joinCtx.innerIndex == 0 { + // build is child 0, probe is child 1 + for _, idx := range rowSet { + wide := joinCtx.chk.AppendRowByColIdxs(buildChunk.GetRow(idx), nil) + joinCtx.chk.AppendPartialRow(wide, probeChunk.GetRow(i)) + } + } else { + // build is child 1, probe is child 0 + for _, idx := range rowSet { + wide := joinCtx.chk.AppendRowByColIdxs(probeChunk.GetRow(i), nil) + joinCtx.chk.AppendPartialRow(wide, buildChunk.GetRow(idx)) + } + } + } + } + return nil +} + +type exchangeSenderCtx struct { + exchangeSender *tipb.ExchangeSender + tunnels []*ExchangerTunnel +} + +func (e *exchangeSenderCtx) init(mppCtx *MPPCtx) error { + for _, taskMeta := range e.exchangeSender.EncodedTaskMeta { + targetTask := new(mpp.TaskMeta) + err := targetTask.Unmarshal(taskMeta) + if err != nil { + return err + } + tunnel := &ExchangerTunnel{ + DataCh: make(chan *tipb.Chunk, 10), + sourceTask: mppCtx.TaskHandler.Meta, + targetTask: targetTask, + active: false, + ErrCh: make(chan error, 1), + } + e.tunnels = append(e.tunnels, tunnel) + err = mppCtx.TaskHandler.registerTunnel(tunnel) + if err != nil { + return err + } + } + return nil +} + +type exchangeScanCtx struct { + exchangeReceiver *tipb.ExchangeReceiver + fieldTypes []*types.FieldType + chk *chunk.Chunk + mppCtx *MPPCtx + lock sync.Mutex + wg sync.WaitGroup + err error +} + +func (e *exchangeScanCtx) init() *exchangeScanCtx { + for _, pbType := range e.exchangeReceiver.FieldTypes { + e.fieldTypes = append(e.fieldTypes, expression.FieldTypeFromPB(pbType)) + } + e.chk = chunk.NewChunkWithCapacity(e.fieldTypes, 0) + return e +} + +func (e *exchangeScanCtx) EstablishConnAndReceiveData(h *MPPTaskHandler, meta *mpp.TaskMeta) ([]*mpp.MPPDataPacket, error) { + req := &mpp.EstablishMPPConnectionRequest{ReceiverMeta: h.Meta, SenderMeta: meta} + rpcReq := tikvrpc.NewRequest(tikvrpc.CmdMPPConn, req, kvrpcpb.Context{}) + rpcResp, err := h.RPCClient.SendRequest(context.Background(), meta.Address, rpcReq, 3600*time.Second) + if err != nil { + return nil, errors.Trace(err) + } + + resp := rpcResp.Resp.(*tikvrpc.MPPStreamResponse) + + mppResponse := resp.MPPDataPacket + ret := make([]*mpp.MPPDataPacket, 0, 3) + for { + if mppResponse == nil { + return ret, nil + } + if mppResponse.Error != nil { + return nil, errors.New(mppResponse.Error.Msg) + } + ret = append(ret, mppResponse) + mppResponse, err = resp.Recv() + if err != nil { + if errors.Cause(err) == io.EOF { + return ret, nil + } + return nil, errors.Trace(err) + } + if mppResponse == nil { + return ret, nil + } + } +} + +func (e *exchangeScanCtx) runTunnelWorker(h *MPPTaskHandler, meta *mpp.TaskMeta) { + var ( + maxRetryTime = 3 + retryTime = 0 + err error + resp []*mpp.MPPDataPacket + ) + + for retryTime < maxRetryTime { + resp, err = e.EstablishConnAndReceiveData(h, meta) + if err == nil { + break + } + time.Sleep(1 * time.Second) + retryTime++ + } + if err != nil { + e.err = err + return + } + for _, mppData := range resp { + var selectResp tipb.SelectResponse + err = selectResp.Unmarshal(mppData.Data) + if err != nil { + e.err = err + return + } + for _, tipbChunk := range selectResp.Chunks { + chk := chunk.NewChunkWithCapacity(e.fieldTypes, 0) + err = pbChunkToChunk(tipbChunk, chk, e.fieldTypes) + if err != nil { + e.err = err + return + } + e.lock.Lock() + e.chk.Append(chk, 0, chk.NumRows()) + e.lock.Unlock() + } + } + e.wg.Done() +} + type idxScanCtx struct { pkStatus int columnLen int @@ -453,7 +856,66 @@ type topNCtx struct { execDetail *execDetail } +type mockReader struct { + chk *chunk.Chunk + currentIndex int +} + +func (e *closureExecutor) scanFromMockReader(startKey, endKey []byte, limit int, startTS uint64, proc dbreader.ScanProcessor) error { + var cnt int + for e.mockReader.currentIndex < e.mockReader.chk.NumRows() { + err := proc.Process(nil, nil) + if err != nil { + if err == dbreader.ScanBreak { + break + } + return errors.Trace(err) + } + cnt++ + if cnt >= limit { + break + } + } + return nil +} + func (e *closureExecutor) execute() ([]tipb.Chunk, error) { + if e.scanType == ExchangeScan || e.scanType == JoinScan { + // read from exchange client + e.mockReader = &mockReader{chk: nil, currentIndex: 0} + if e.scanType == ExchangeScan { + serverMetas := make([]*mpp.TaskMeta, 0, len(e.exchangeScanCtx.exchangeReceiver.EncodedTaskMeta)) + for _, encodedMeta := range e.exchangeScanCtx.exchangeReceiver.EncodedTaskMeta { + meta := new(mpp.TaskMeta) + err := meta.Unmarshal(encodedMeta) + if err != nil { + return nil, errors.Trace(err) + } + serverMetas = append(serverMetas, meta) + } + for _, meta := range serverMetas { + e.exchangeScanCtx.wg.Add(1) + go e.exchangeScanCtx.runTunnelWorker(e.exchangeScanCtx.mppCtx.TaskHandler, meta) + } + e.exchangeScanCtx.wg.Wait() + if e.exchangeScanCtx.err != nil { + return nil, e.exchangeScanCtx.err + } + e.mockReader.chk = e.exchangeScanCtx.chk + } else { + err := e.joinScanCtx.doJoin() + if err != nil { + return nil, err + } + e.mockReader.chk = e.joinScanCtx.chk + } + err := e.scanFromMockReader(nil, nil, math.MaxInt64, e.startTS, e.processor) + if err != nil { + return nil, errors.Trace(err) + } + err = e.processor.Finish() + return e.oldChunks, err + } err := e.checkRangeLock() if err != nil { return nil, errors.Trace(err) @@ -499,7 +961,7 @@ func (e *closureExecutor) execute() ([]tipb.Chunk, error) { } func (e *closureExecutor) isPointGetRange(ran kv.KeyRange) bool { - if len(e.primaryCols) > 0 { + if len(e.primaryCols) > 0 || e.exchangeScanCtx != nil || e.joinScanCtx != nil { return false } return e.unique && ran.IsPoint() @@ -583,7 +1045,19 @@ func (e *countColumnProcessor) Process(key, value []byte) error { } e.aggCtx.execDetail.update(begin, false) }(time.Now()) - if e.idxScanCtx != nil { + if e.mockReader != nil { + row := e.mockReader.chk.GetRow(e.mockReader.currentIndex) + isNull := false + if e.aggCtx.col.ColumnId < int64(e.mockReader.chk.NumCols()) { + isNull = row.IsNull(int(e.aggCtx.col.ColumnId)) + } else { + isNull = e.aggCtx.col.DefaultVal == nil + } + if !isNull { + e.rowCount++ + gotRow = true + } + } else if e.idxScanCtx != nil { values, _, err := tablecodec.CutIndexKeyNew(key, e.idxScanCtx.columnLen) if err != nil { return errors.Trace(err) @@ -638,7 +1112,31 @@ func (e *tableScanProcessor) Finish() error { return e.scanFinish() } +type mockReaderScanProcessor struct { + skipVal + *closureExecutor +} + +func (e *mockReaderScanProcessor) Process(key, value []byte) error { + if e.rowCount == e.limit { + return dbreader.ScanBreak + } + e.rowCount++ + err := e.mockReadScanProcessCore(key, value) + if e.scanCtx.chk.NumRows() == chunkMaxRows { + err = e.chunkToOldChunk(e.scanCtx.chk) + } + return err +} + +func (e *mockReaderScanProcessor) Finish() error { + return e.scanFinish() +} + func (e *closureExecutor) processCore(key, value []byte) error { + if e.mockReader != nil { + return e.mockReadScanProcessCore(key, value) + } if e.idxScanCtx != nil { return e.indexScanProcessCore(key, value) } @@ -706,6 +1204,12 @@ func (e *closureExecutor) copyError(err error) error { return ret } +func (e *closureExecutor) mockReadScanProcessCore(key, value []byte) error { + e.scanCtx.chk.AppendRow(e.mockReader.chk.GetRow(e.mockReader.currentIndex)) + e.mockReader.currentIndex++ + return nil +} + func (e *closureExecutor) tableScanProcessCore(key, value []byte) error { incRow := false defer func(begin time.Time) { @@ -782,9 +1286,16 @@ func (e *closureExecutor) chunkToOldChunk(chk *chunk.Chunk) error { var oldRow []types.Datum for i := 0; i < chk.NumRows(); i++ { oldRow = oldRow[:0] - for _, outputOff := range e.outputOff { - d := chk.GetRow(i).GetDatum(int(outputOff), e.fieldTps[outputOff]) - oldRow = append(oldRow, d) + if e.outputOff != nil { + for _, outputOff := range e.outputOff { + d := chk.GetRow(i).GetDatum(int(outputOff), e.fieldTps[outputOff]) + oldRow = append(oldRow, d) + } + } else { + for colIdx := 0; colIdx < chk.NumCols(); colIdx++ { + d := chk.GetRow(i).GetDatum(colIdx, e.fieldTps[colIdx]) + oldRow = append(oldRow, d) + } } var err error e.oldRowBuf, err = codec.EncodeValue(e.sc, e.oldRowBuf[:0], oldRow...) diff --git a/store/mockstore/unistore/cophandler/cop_handler.go b/store/mockstore/unistore/cophandler/cop_handler.go index 7f63a8734d9e4..ad29817a7805d 100644 --- a/store/mockstore/unistore/cophandler/cop_handler.go +++ b/store/mockstore/unistore/cophandler/cop_handler.go @@ -32,6 +32,7 @@ import ( "github.com/pingcap/tidb/expression/aggregation" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx/stmtctx" + "github.com/pingcap/tidb/store/mockstore/unistore/client" "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" @@ -41,11 +42,25 @@ import ( "github.com/pingcap/tipb/go-tipb" ) +// MPPCtx is the mpp execution context +type MPPCtx struct { + RPCClient client.Client + StoreAddr string + TaskHandler *MPPTaskHandler +} + // HandleCopRequest handles coprocessor request. func HandleCopRequest(dbReader *dbreader.DBReader, lockStore *lockstore.MemStore, req *coprocessor.Request) *coprocessor.Response { + return HandleCopRequestWithMPPCtx(dbReader, lockStore, req, nil) +} + +// HandleCopRequestWithMPPCtx handles coprocessor request, actually, this is the updated version for +// HandleCopRequest(after mpp test is supported), however, go does not support function overloading, +// I have to rename it to HandleCopRequestWithMPPCtx, once unistore is updated, HandleCopRequest will be deleted. +func HandleCopRequestWithMPPCtx(dbReader *dbreader.DBReader, lockStore *lockstore.MemStore, req *coprocessor.Request, mppCtx *MPPCtx) *coprocessor.Response { switch req.Tp { case kv.ReqTypeDAG: - return handleCopDAGRequest(dbReader, lockStore, req) + return handleCopDAGRequest(dbReader, lockStore, req, mppCtx) case kv.ReqTypeAnalyze: return handleCopAnalyzeRequest(dbReader, req) case kv.ReqTypeChecksum: @@ -65,7 +80,7 @@ type dagContext struct { } // handleCopDAGRequest handles coprocessor DAG request. -func handleCopDAGRequest(dbReader *dbreader.DBReader, lockStore *lockstore.MemStore, req *coprocessor.Request) (resp *coprocessor.Response) { +func handleCopDAGRequest(dbReader *dbreader.DBReader, lockStore *lockstore.MemStore, req *coprocessor.Request, mppCtx *MPPCtx) (resp *coprocessor.Response) { startTime := time.Now() resp = &coprocessor.Response{} failpoint.Inject("mockCopCacheInUnistore", func(cacheVersion failpoint.Value) { @@ -92,11 +107,46 @@ func handleCopDAGRequest(dbReader *dbreader.DBReader, lockStore *lockstore.MemSt resp.OtherError = err.Error() return resp } - closureExec, err := buildClosureExecutor(dagCtx, dagReq) + closureExec, err := buildClosureExecutor(dagCtx, dagReq, mppCtx) if err != nil { return buildResp(nil, nil, dagReq, err, dagCtx.sc.GetWarnings(), time.Since(startTime)) } chunks, err := closureExec.execute() + if closureExec.exchangeSenderCtx != nil { + defer func() { + for _, tunnel := range closureExec.exchangeSenderCtx.tunnels { + close(tunnel.DataCh) + close(tunnel.ErrCh) + } + }() + if err == nil && closureExec.exchangeSenderCtx.exchangeSender.Tp == tipb.ExchangeType_Hash { + err = errors.New("Unsupported exchange type") + } + // TODO: the target side may crash. We should check timeout here. + if err != nil { + switch closureExec.exchangeSenderCtx.exchangeSender.Tp { + case tipb.ExchangeType_Broadcast, tipb.ExchangeType_Hash: + for _, tunnel := range closureExec.exchangeSenderCtx.tunnels { + tunnel.ErrCh <- err + } + case tipb.ExchangeType_PassThrough: + closureExec.exchangeSenderCtx.tunnels[0].ErrCh <- err + } + } else { + for _, tipbChunk := range chunks { + switch closureExec.exchangeSenderCtx.exchangeSender.Tp { + case tipb.ExchangeType_Broadcast: + for _, tunnel := range closureExec.exchangeSenderCtx.tunnels { + tunnel.DataCh <- &tipbChunk + } + case tipb.ExchangeType_PassThrough: + closureExec.exchangeSenderCtx.tunnels[0].DataCh <- &tipbChunk + default: + } + } + } + return nil + } return buildResp(chunks, closureExec, dagReq, err, dagCtx.sc.GetWarnings(), time.Since(startTime)) } @@ -124,17 +174,6 @@ func buildDAG(reader *dbreader.DBReader, lockStore *lockstore.MemStore, req *cop startTS: req.StartTs, resolvedLocks: req.Context.ResolvedLocks, } - var scanExec *tipb.Executor = nil - scanExec, err = getScanExec(dagReq) - if err != nil { - return nil, nil, err - } - if scanExec.Tp == tipb.ExecType_TypeTableScan { - ctx.setColumnInfo(scanExec.TblScan.Columns) - ctx.primaryCols = scanExec.TblScan.PrimaryColumnIds - } else { - ctx.setColumnInfo(scanExec.IdxScan.Columns) - } return ctx, dagReq, err } @@ -178,7 +217,6 @@ func getTopNInfo(ctx *evalContext, topN *tipb.TopN) (heap *topNHeap, conds []exp } type evalContext struct { - colIDs map[int64]int columnInfos []*tipb.ColumnInfo fieldTps []*types.FieldType primaryCols []int64 @@ -189,12 +227,34 @@ func (e *evalContext) setColumnInfo(cols []*tipb.ColumnInfo) { e.columnInfos = make([]*tipb.ColumnInfo, len(cols)) copy(e.columnInfos, cols) - e.colIDs = make(map[int64]int, len(e.columnInfos)) e.fieldTps = make([]*types.FieldType, 0, len(e.columnInfos)) - for i, col := range e.columnInfos { + for _, col := range e.columnInfos { ft := fieldTypeFromPBColumn(col) e.fieldTps = append(e.fieldTps, ft) - e.colIDs[col.GetColumnId()] = i + } +} + +func (e *evalContext) fillColumnInfo(fieldTypes []*tipb.FieldType) { + e.columnInfos = make([]*tipb.ColumnInfo, 0, len(fieldTypes)) + e.fieldTps = make([]*types.FieldType, 0, len(fieldTypes)) + for i, pbType := range fieldTypes { + e.columnInfos = append(e.columnInfos, &tipb.ColumnInfo{ColumnId: int64(i), + Tp: pbType.Tp, Collation: pbType.Collate, ColumnLen: pbType.Flen, + Decimal: pbType.Decimal, Flag: int32(pbType.Flag)}) + // todo fill collate and charset field + e.fieldTps = append(e.fieldTps, &types.FieldType{Tp: byte(pbType.Tp), + Flag: uint(pbType.Flag), Flen: int(pbType.Flen), Decimal: int(pbType.Decimal)}) + } +} + +func (e *evalContext) fillColumnInfoFromTPs(fieldTypes []*types.FieldType) { + e.columnInfos = make([]*tipb.ColumnInfo, 0, len(fieldTypes)) + e.fieldTps = append(e.fieldTps, fieldTypes...) + for i, fieldType := range fieldTypes { + pbType := expression.ToPBFieldType(fieldType) + e.columnInfos = append(e.columnInfos, &tipb.ColumnInfo{ColumnId: int64(i), + Tp: pbType.Tp, Collation: pbType.Collate, ColumnLen: pbType.Flen, + Decimal: pbType.Decimal, Flag: int32(pbType.Flag)}) } } diff --git a/store/mockstore/unistore/cophandler/cop_handler_test.go b/store/mockstore/unistore/cophandler/cop_handler_test.go index 8b1eb6cb87a3b..100756c128d73 100644 --- a/store/mockstore/unistore/cophandler/cop_handler_test.go +++ b/store/mockstore/unistore/cophandler/cop_handler_test.go @@ -215,7 +215,7 @@ func newDagContext(store *testStore, keyRanges []kv.KeyRange, dagReq *tipb.DAGRe // return the result chunk data, rows count and err if occurs. func buildExecutorsAndExecute(dagRequest *tipb.DAGRequest, dagCtx *dagContext) ([]tipb.Chunk, int, error) { - closureExec, err := buildClosureExecutor(dagCtx, dagRequest) + closureExec, err := buildClosureExecutor(dagCtx, dagRequest, nil) if err != nil { return nil, 0, err } diff --git a/store/mockstore/unistore/cophandler/mpp.go b/store/mockstore/unistore/cophandler/mpp.go new file mode 100644 index 0000000000000..9fe72bf57d5c4 --- /dev/null +++ b/store/mockstore/unistore/cophandler/mpp.go @@ -0,0 +1,154 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package cophandler + +import ( + "context" + "time" + + "github.com/pingcap/errors" + "github.com/pingcap/kvproto/pkg/coprocessor" + "github.com/pingcap/kvproto/pkg/kvrpcpb" + "github.com/pingcap/kvproto/pkg/metapb" + "github.com/pingcap/kvproto/pkg/mpp" + "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/store/mockstore/unistore/client" + "github.com/pingcap/tidb/store/tikv/tikvrpc" + "github.com/pingcap/tipb/go-tipb" + "github.com/uber-go/atomic" +) + +const ( + // MPPErrTunnelNotFound means you can't find an expected tunnel. + MPPErrTunnelNotFound = iota + // MPPErrEstablishConnMultiTimes means we receive the Establish requests at least twice. + MPPErrEstablishConnMultiTimes +) + +const ( + taskInit int32 = iota + taskRunning + taskFailed + taskFinished +) + +// MPPTaskHandler exists in a single store. +type MPPTaskHandler struct { + // When a connect request comes, it contains server task (source) and client task (target), Exchanger dataCh set will find dataCh by client task. + TunnelSet map[int64]*ExchangerTunnel + + Meta *mpp.TaskMeta + RPCClient client.Client + + Status atomic.Int32 + Err error +} + +// HandleMPPDispatch handle DispatchTaskRequest +func (h *MPPTaskHandler) HandleMPPDispatch(ctx context.Context, req *mpp.DispatchTaskRequest, storeAddr string, storeID uint64) (*mpp.DispatchTaskResponse, error) { + // At first register task to store. + kvContext := kvrpcpb.Context{ + RegionId: req.Regions[0].RegionId, + RegionEpoch: req.Regions[0].RegionEpoch, + // this is a hack to reuse task id in kvContext to pass mpp task id + TaskId: uint64(h.Meta.TaskId), + Peer: &metapb.Peer{StoreId: storeID}, + } + copReq := &coprocessor.Request{ + Tp: kv.ReqTypeDAG, + Data: req.EncodedPlan, + StartTs: req.Meta.StartTs, + Context: &kvContext, + } + for _, regionMeta := range req.Regions { + copReq.Ranges = append(copReq.Ranges, regionMeta.Ranges...) + } + rpcReq := &tikvrpc.Request{ + Type: tikvrpc.CmdCop, + Req: copReq, + Context: kvContext, + } + go h.run(ctx, storeAddr, rpcReq, time.Hour) + return &mpp.DispatchTaskResponse{}, nil +} + +func (h *MPPTaskHandler) run(ctx context.Context, addr string, req *tikvrpc.Request, timeout time.Duration) { + h.Status.Store(taskRunning) + _, err := h.RPCClient.SendRequest(ctx, addr, req, timeout) + // TODO: Remove itself after execution is closed. + if err != nil { + h.Err = err + h.Status.Store(taskFailed) + } else { + h.Status.Store(taskFinished) + } +} + +// HandleEstablishConn handles EstablishMPPConnectionRequest +func (h *MPPTaskHandler) HandleEstablishConn(_ context.Context, req *mpp.EstablishMPPConnectionRequest) (*ExchangerTunnel, error) { + meta := req.ReceiverMeta + for i := 0; i < 10; i++ { + if tunnel, ok := h.TunnelSet[meta.TaskId]; ok { + return tunnel, nil + } + time.Sleep(time.Second) + } + return nil, errors.Errorf("cannot find client task %d registered in server task %d", meta.TaskId, req.SenderMeta.TaskId) +} + +func (h *MPPTaskHandler) registerTunnel(tunnel *ExchangerTunnel) error { + taskID := tunnel.targetTask.TaskId + _, ok := h.TunnelSet[taskID] + if ok { + return errors.Errorf("task id %d has been registered", taskID) + } + h.TunnelSet[taskID] = tunnel + return nil +} + +func (h *MPPTaskHandler) getAndActiveTunnel(req *mpp.EstablishMPPConnectionRequest) (*ExchangerTunnel, *mpp.Error, error) { + targetID := req.ReceiverMeta.TaskId + if tunnel, ok := h.TunnelSet[targetID]; ok { + if tunnel.active { + // We find the dataCh, but the dataCh has been used. + return nil, &mpp.Error{Code: MPPErrEstablishConnMultiTimes, Msg: "dataCh has been connected"}, nil + } + tunnel.active = true + return tunnel, nil, nil + } + // We dont find this dataCh, may be task not ready or have been deleted. + return nil, &mpp.Error{Code: MPPErrTunnelNotFound, Msg: "task not found, please wait for a while"}, nil +} + +// ExchangerTunnel contains a channel that can transfer data. +// Only One Sender and Receiver use this channel, so it's safe to close it by sender. +type ExchangerTunnel struct { + DataCh chan *tipb.Chunk + + sourceTask *mpp.TaskMeta // source task is nearer to the data source + targetTask *mpp.TaskMeta // target task is nearer to the client end , as tidb. + + active bool + ErrCh chan error +} + +// RecvChunk recive tipb chunk +func (tunnel *ExchangerTunnel) RecvChunk() (tipbChunk *tipb.Chunk, err error) { + tipbChunk = <-tunnel.DataCh + select { + case err = <-tunnel.ErrCh: + default: + } + return tipbChunk, err +} diff --git a/store/mockstore/unistore/rpc.go b/store/mockstore/unistore/rpc.go index 8244875729b3f..c1941616b4d37 100644 --- a/store/mockstore/unistore/rpc.go +++ b/store/mockstore/unistore/rpc.go @@ -31,6 +31,7 @@ import ( "github.com/pingcap/kvproto/pkg/errorpb" "github.com/pingcap/kvproto/pkg/kvrpcpb" "github.com/pingcap/kvproto/pkg/metapb" + "github.com/pingcap/kvproto/pkg/mpp" "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/store/tikv/tikvrpc" @@ -234,6 +235,10 @@ func (c *RPCClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.R } }) resp.Resp, err = c.handleBatchCop(ctx, req.BatchCop(), timeout) + case tikvrpc.CmdMPPConn: + resp.Resp, err = c.handleEstablishMPPConnection(ctx, req.EstablishMPPConn(), timeout) + case tikvrpc.CmdMPPTask: + resp.Resp, err = c.handleDispatchMPPTask(ctx, req.DispatchMPPTask()) case tikvrpc.CmdMvccGetByKey: resp.Resp, err = c.usSvr.MvccGetByKey(ctx, req.MvccGetByKey()) case tikvrpc.CmdMvccGetByStartTs: @@ -244,13 +249,13 @@ func (c *RPCClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.R resp.Resp, err = c.handleDebugGetRegionProperties(ctx, req.DebugGetRegionProperties()) return resp, err default: - err = errors.Errorf("unsupport this request type %v", req.Type) + err = errors.Errorf("not support this request type %v", req.Type) } if err != nil { return nil, err } var regErr *errorpb.Error = nil - if req.Type != tikvrpc.CmdBatchCop { + if req.Type != tikvrpc.CmdBatchCop && req.Type != tikvrpc.CmdMPPConn && req.Type != tikvrpc.CmdMPPTask { regErr, err = resp.GetRegionError() } if err != nil { @@ -277,6 +282,29 @@ func (c *RPCClient) handleCopStream(ctx context.Context, req *coprocessor.Reques }, nil } +func (c *RPCClient) handleEstablishMPPConnection(ctx context.Context, r *mpp.EstablishMPPConnectionRequest, timeout time.Duration) (*tikvrpc.MPPStreamResponse, error) { + mockServer := new(mockMPPConnectStreamServer) + err := c.usSvr.EstablishMPPConnection(r, mockServer) + if err != nil { + return nil, err + } + var mockClient = mockMPPConnectionClient{mppResponses: mockServer.mppResponses, idx: 0} + streamResp := &tikvrpc.MPPStreamResponse{Tikv_EstablishMPPConnectionClient: &mockClient} + _, cancel := context.WithCancel(ctx) + streamResp.Lease.Cancel = cancel + streamResp.Timeout = timeout + first, err := streamResp.Recv() + if err != nil { + return nil, errors.Trace(err) + } + streamResp.MPPDataPacket = first + return streamResp, nil +} + +func (c *RPCClient) handleDispatchMPPTask(ctx context.Context, r *mpp.DispatchTaskRequest) (*mpp.DispatchTaskResponse, error) { + return c.usSvr.DispatchMPPTask(ctx, r) +} + func (c *RPCClient) handleBatchCop(ctx context.Context, r *coprocessor.BatchRequest, timeout time.Duration) (*tikvrpc.BatchCopStreamResponse, error) { mockBatchCopServer := &mockBatchCoprocessorStreamServer{} err := c.usSvr.BatchCoprocessor(r, mockBatchCopServer) @@ -424,6 +452,21 @@ func (mock *mockBatchCopClient) Recv() (*coprocessor.BatchResponse, error) { return nil, io.EOF } +type mockMPPConnectionClient struct { + mockClientStream + mppResponses []*mpp.MPPDataPacket + idx int +} + +func (mock *mockMPPConnectionClient) Recv() (*mpp.MPPDataPacket, error) { + if mock.idx < len(mock.mppResponses) { + ret := mock.mppResponses[mock.idx] + mock.idx++ + return ret, nil + } + return nil, io.EOF +} + type mockServerStream struct{} func (mockServerStream) SetHeader(metadata.MD) error { return nil } @@ -442,3 +485,13 @@ func (mockBatchCopServer *mockBatchCoprocessorStreamServer) Send(response *copro mockBatchCopServer.batchResponses = append(mockBatchCopServer.batchResponses, response) return nil } + +type mockMPPConnectStreamServer struct { + mockServerStream + mppResponses []*mpp.MPPDataPacket +} + +func (mockMPPConnectStreamServer *mockMPPConnectStreamServer) Send(mppResponse *mpp.MPPDataPacket) error { + mockMPPConnectStreamServer.mppResponses = append(mockMPPConnectStreamServer.mppResponses, mppResponse) + return nil +} From 340ba78f0c25f1cee3b71be70b085b3fc4672dbb Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Wed, 9 Dec 2020 13:15:38 +0800 Subject: [PATCH 0412/1021] expression: fix compatibility behaviors in sec_to_time with MySQL (#21555) --- expression/builtin_time.go | 13 +++++++++---- expression/builtin_time_vec.go | 9 +++++++-- expression/integration_test.go | 13 +++++++++++++ 3 files changed, 29 insertions(+), 6 deletions(-) diff --git a/expression/builtin_time.go b/expression/builtin_time.go index be3e0767603b5..6f1ad3dec54ed 100644 --- a/expression/builtin_time.go +++ b/expression/builtin_time.go @@ -6092,9 +6092,9 @@ func (b *builtinSecToTimeSig) evalDuration(row chunk.Row) (types.Duration, bool, return types.Duration{}, isNull, err } var ( - hour int64 - minute int64 - second int64 + hour uint64 + minute uint64 + second uint64 demical float64 secondDemical float64 negative string @@ -6104,7 +6104,7 @@ func (b *builtinSecToTimeSig) evalDuration(row chunk.Row) (types.Duration, bool, negative = "-" secondsFloat = math.Abs(secondsFloat) } - seconds := int64(secondsFloat) + seconds := uint64(secondsFloat) demical = secondsFloat - float64(seconds) hour = seconds / 3600 @@ -6112,6 +6112,11 @@ func (b *builtinSecToTimeSig) evalDuration(row chunk.Row) (types.Duration, bool, hour = 838 minute = 59 second = 59 + demical = 0 + err = b.ctx.GetSessionVars().StmtCtx.HandleTruncate(errTruncatedWrongValue.GenWithStackByArgs("time", strconv.FormatFloat(secondsFloat, 'f', -1, 64))) + if err != nil { + return types.Duration{}, err != nil, err + } } else { minute = seconds % 3600 / 60 second = seconds % 60 diff --git a/expression/builtin_time_vec.go b/expression/builtin_time_vec.go index 9c56d149c37e3..498acce2870e8 100644 --- a/expression/builtin_time_vec.go +++ b/expression/builtin_time_vec.go @@ -1872,14 +1872,19 @@ func (b *builtinSecToTimeSig) vecEvalDuration(input *chunk.Chunk, result *chunk. negative = "-" secondsFloat = math.Abs(secondsFloat) } - seconds := int64(secondsFloat) + seconds := uint64(secondsFloat) demical := secondsFloat - float64(seconds) - var minute, second int64 + var minute, second uint64 hour := seconds / 3600 if hour > 838 { hour = 838 minute = 59 second = 59 + demical = 0 + err = b.ctx.GetSessionVars().StmtCtx.HandleTruncate(errTruncatedWrongValue.GenWithStackByArgs("time", strconv.FormatFloat(secondsFloat, 'f', -1, 64))) + if err != nil { + return err + } } else { minute = seconds % 3600 / 60 second = seconds % 60 diff --git a/expression/integration_test.go b/expression/integration_test.go index 613f397403884..fdf5aef94f1bd 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -8124,3 +8124,16 @@ func (s *testIntegrationSerialSuite) TestIssue20876(c *C) { tk.MustExec("analyze table t") tk.MustQuery("select * from t where a='#';").Check(testkit.Rows("# C 10")) } + +func (s *testSuite2) TestIssue12205(c *C) { + tk := testkit.NewTestKit(c, s.store) + + tk.MustExec("use test") + tk.MustExec("drop table if exists t12205;") + tk.MustExec("create table t12205(\n `col_varchar_64` varchar(64) DEFAULT NULL,\n `col_varchar_64_key` varchar(64) DEFAULT NULL\n);") + tk.MustExec("insert into t12205 values('-1038024704','-527892480');") + tk.MustQuery("select SEC_TO_TIME( ( `col_varchar_64` & `col_varchar_64_key` ) ),`col_varchar_64` & `col_varchar_64_key` from t12205; ").Check( + testkit.Rows("838:59:59 18446744072635875328")) + tk.MustQuery("show warnings;").Check( + testkit.Rows("Warning 1292 Truncated incorrect time value: '18446744072635875000'")) +} From b3f0f3cb746264be334bfd1a956cc89b77d7e808 Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Wed, 9 Dec 2020 14:08:47 +0800 Subject: [PATCH 0413/1021] Revert "statistics: introduce an interface for StatsCache (#20091)" (#21583) --- go.sum | 1 - statistics/handle/bootstrap.go | 2 +- statistics/handle/handle.go | 23 ++--- statistics/handle/handle_test.go | 1 + statistics/handle/statscache.go | 126 ++++++++------------------- statistics/handle/statscache_test.go | 6 +- 6 files changed, 58 insertions(+), 101 deletions(-) diff --git a/go.sum b/go.sum index 655bb519abeb1..d9e46d4b949de 100644 --- a/go.sum +++ b/go.sum @@ -625,7 +625,6 @@ github.com/pborman/getopt v0.0.0-20180729010549-6fdd0a2c7117/go.mod h1:85jBQOZwp github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic= github.com/pelletier/go-toml v1.3.0/go.mod h1:PN7xzY2wHTK0K9p34ErDQMlFxa51Fk0OUruD3k1mMwo= github.com/peterh/liner v1.0.1-0.20180619022028-8c1271fcf47f/go.mod h1:xIteQHvHuaLYG9IFj6mSxM0fCKrs34IrEQUhOYuGPHc= -github.com/petermattis/goid v0.0.0-20180202154549-b0b1615b78e5 h1:q2e307iGHPdTGp0hoxKjt1H5pDo6utceo3dQVK3I5XQ= github.com/petermattis/goid v0.0.0-20180202154549-b0b1615b78e5/go.mod h1:jvVRKCrJTQWu0XVbaOlby/2lO20uSCHEMzzplHXte1o= github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2 h1:JhzVVoYvbOACxoUmOs6V/G4D5nPVUW73rKvXxP4XUJc= github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2/go.mod h1:iIss55rKnNBTvrwdmkUpLnDpZoAHvWaiq5+iMmen4AE= diff --git a/statistics/handle/bootstrap.go b/statistics/handle/bootstrap.go index 82126c38c9628..b264a49a1e029 100644 --- a/statistics/handle/bootstrap.go +++ b/statistics/handle/bootstrap.go @@ -481,7 +481,7 @@ func (h *Handle) InitStats(is infoschema.InfoSchema) (err error) { if err != nil { return errors.Trace(err) } - h.statsCache.InitStatsCache(tables, version) + h.statsCache.initStatsCache(tables, version) return nil } diff --git a/statistics/handle/handle.go b/statistics/handle/handle.go index fc681bf7a88f7..7563a4bc37996 100644 --- a/statistics/handle/handle.go +++ b/statistics/handle/handle.go @@ -59,7 +59,7 @@ type Handle struct { // It can be read by multiple readers at the same time without acquiring lock, but it can be // written only after acquiring the lock. - statsCache StatsCache + statsCache *statsCache restrictedExec sqlexec.RestrictedSQLExecutor @@ -112,14 +112,10 @@ func NewHandle(ctx sessionctx.Context, lease time.Duration) (*Handle, error) { if exec, ok := ctx.(sqlexec.RestrictedSQLExecutor); ok { handle.restrictedExec = exec } - var err error - handle.statsCache, err = newStatsCacheWithMemCap(ctx.GetSessionVars().MemQuotaStatistics, defaultStatsCacheType) - if err != nil { - return nil, err - } + handle.statsCache = newStatsCache(ctx.GetSessionVars().MemQuotaStatistics) handle.mu.ctx = ctx handle.mu.rateMap = make(errorRateDeltaMap) - err = handle.RefreshVars() + err := handle.RefreshVars() if err != nil { return nil, err } @@ -236,14 +232,17 @@ func buildPartitionID2TableID(is infoschema.InfoSchema) map[int64]int64 { // GetMemConsumed returns the mem size of statscache consumed func (h *Handle) GetMemConsumed() (size int64) { - return h.statsCache.BytesConsumed() + h.statsCache.mu.Lock() + size = h.statsCache.memTracker.BytesConsumed() + h.statsCache.mu.Unlock() + return } // EraseTable4Test erase a table by ID and add new empty (with Meta) table. // ONLY used for test. func (h *Handle) EraseTable4Test(ID int64) { table, _ := h.statsCache.Lookup(ID) - h.statsCache.Update([]*statistics.Table{table.CopyWithoutBucketsAndCMS()}, nil, h.statsCache.GetVersion()) + h.statsCache.Insert(table.CopyWithoutBucketsAndCMS()) } // GetAllTableStatsMemUsage4Test get all the mem usage with true table. @@ -277,7 +276,10 @@ func (h *Handle) GetPartitionStats(tblInfo *model.TableInfo, pid int64) *statist // SetBytesLimit4Test sets the bytes limit for this tracker. "bytesLimit <= 0" means no limit. // Only used for test. func (h *Handle) SetBytesLimit4Test(bytesLimit int64) { - h.statsCache.SetBytesLimit(bytesLimit) + h.statsCache.mu.Lock() + h.statsCache.memTracker.SetBytesLimit(bytesLimit) + h.statsCache.memCapacity = bytesLimit + h.statsCache.mu.Unlock() } // CanRuntimePrune indicates whether tbl support runtime prune for table and first partition id. @@ -962,6 +964,7 @@ func (h *Handle) ReloadExtendedStatistics() error { tables := make([]*statistics.Table, 0, len(allTables)) for _, tbl := range allTables { t, err := h.extendedStatsFromStorage(reader, tbl.Copy(), tbl.PhysicalID, true) + if err != nil { return err } diff --git a/statistics/handle/handle_test.go b/statistics/handle/handle_test.go index acbc32d1ddce4..88f090d99dc01 100644 --- a/statistics/handle/handle_test.go +++ b/statistics/handle/handle_test.go @@ -134,6 +134,7 @@ func (s *testStatsSuite) TestStatsCacheMemTracker(c *C) { testKit.MustExec("analyze table t") statsTbl = do.StatsHandle().GetTableStats(tableInfo) + c.Assert(statsTbl.Pseudo, IsFalse) // If the new schema drop a column, the table stats can still work. diff --git a/statistics/handle/statscache.go b/statistics/handle/statscache.go index 932bdc4b2efde..38dd17038034b 100644 --- a/statistics/handle/statscache.go +++ b/statistics/handle/statscache.go @@ -15,7 +15,6 @@ package handle import ( "encoding/binary" - "errors" "sync" "github.com/pingcap/tidb/statistics" @@ -23,40 +22,8 @@ import ( "github.com/pingcap/tidb/util/memory" ) -// StatsCache is an interface for the collection of statistics. -type StatsCache interface { - Lookup(id int64) (*statistics.Table, bool) - Update(tables []*statistics.Table, deletedIDs []int64, newVersion uint64) - GetVersion() uint64 - InitStatsCache(tables map[int64]*statistics.Table, version uint64) - GetAll() []*statistics.Table - - // Interface below are used only for test. - Clear() - GetBytesLimit() int64 - SetBytesLimit(bytesLimit int64) - BytesConsumed() int64 -} - -type statsCacheType int8 - -const ( - simpleLRUCache statsCacheType = iota -) - -var defaultStatsCacheType = simpleLRUCache - -// newStatsCacheWithMemCap returns a new stats cache with memory capacity. -func newStatsCacheWithMemCap(memoryCapacity int64, tp statsCacheType) (StatsCache, error) { - switch tp { - case simpleLRUCache: - return newSimpleLRUStatsCache(memoryCapacity), nil - } - return nil, errors.New("wrong statsCache type") -} - -// simpleLRUStatsCache uses the simpleLRUCache to store the cache of statistics. -type simpleLRUStatsCache struct { +// statsCache caches table statistics. +type statsCache struct { mu sync.Mutex cache *kvcache.SimpleLRUCache memCapacity int64 @@ -72,35 +39,47 @@ func (key statsCacheKey) Hash() []byte { return buf } -func newSimpleLRUStatsCache(memoryCapacity int64) *simpleLRUStatsCache { - // since stats cache controls the memory usage by itself, set the capacity of +// newStatsCache returns a new statsCache with capacity maxMemoryLimit. +func newStatsCache(memoryLimit int64) *statsCache { + // Since newStatsCache controls the memory usage by itself, set the capacity of // the underlying LRUCache to max to close its memory control - cache := kvcache.NewSimpleLRUCache(uint(memoryCapacity), 0.1, 0) - c := simpleLRUStatsCache{ + cache := kvcache.NewSimpleLRUCache(uint(memoryLimit), 0.1, 0) + c := statsCache{ cache: cache, - memCapacity: memoryCapacity, - memTracker: memory.NewTracker(memory.LabelForStatsCache, memoryCapacity), + memCapacity: memoryLimit, + memTracker: memory.NewTracker(memory.LabelForStatsCache, -1), } return &c } -// SetBytesLimit sets the bytes limit for this tracker. -func (sc *simpleLRUStatsCache) SetBytesLimit(BytesLimit int64) { +// Clear clears the statsCache. +func (sc *statsCache) Clear() { + // Since newStatsCache controls the memory usage by itself, set the capacity of + // the underlying LRUCache to max to close its memory control sc.mu.Lock() defer sc.mu.Unlock() - sc.memTracker.SetBytesLimit(BytesLimit) - sc.memCapacity = BytesLimit + cache := kvcache.NewSimpleLRUCache(uint(sc.memCapacity), 0.1, 0) + sc.memTracker.ReplaceBytesUsed(0) + sc.cache = cache + sc.version = 0 } -// BytesConsumed returns the consumed memory usage value in bytes. -func (sc *simpleLRUStatsCache) BytesConsumed() int64 { +// GetAll get all the tables point. +func (sc *statsCache) GetAll() []*statistics.Table { sc.mu.Lock() defer sc.mu.Unlock() - return sc.memTracker.BytesConsumed() + values := sc.cache.GetAll() + tables := make([]*statistics.Table, 0) + for _, v := range values { + if t, ok := v.(*statistics.Table); ok && t != nil { + tables = append(tables, t) + } + } + return tables } // lookupUnsafe get table with id without Lock. -func (sc *simpleLRUStatsCache) lookupUnsafe(id int64) (*statistics.Table, bool) { +func (sc *statsCache) lookupUnsafe(id int64) (*statistics.Table, bool) { var key = statsCacheKey(id) value, hit := sc.cache.Get(key) if !hit { @@ -110,17 +89,8 @@ func (sc *simpleLRUStatsCache) lookupUnsafe(id int64) (*statistics.Table, bool) return table, true } -// Clear clears the cache -func (sc *simpleLRUStatsCache) Clear() { - sc.mu.Lock() - defer sc.mu.Unlock() - sc.version = 0 - sc.cache.DeleteAll() - sc.memTracker = memory.NewTracker(memory.LabelForStatsCache, sc.memCapacity) -} - // Lookup get table with id. -func (sc *simpleLRUStatsCache) Lookup(id int64) (*statistics.Table, bool) { +func (sc *statsCache) Lookup(id int64) (*statistics.Table, bool) { sc.mu.Lock() defer sc.mu.Unlock() return sc.lookupUnsafe(id) @@ -129,7 +99,7 @@ func (sc *simpleLRUStatsCache) Lookup(id int64) (*statistics.Table, bool) { // Insert inserts a new table to the statsCache. // If the memory consumption exceeds the capacity, remove the buckets and // CMSketch of the oldest cache and add metadata of it -func (sc *simpleLRUStatsCache) Insert(table *statistics.Table) { +func (sc *statsCache) Insert(table *statistics.Table) { if table == nil { return } @@ -153,34 +123,21 @@ func (sc *simpleLRUStatsCache) Insert(table *statistics.Table) { return } -// Erase removes a stateCache with physical id. -func (sc *simpleLRUStatsCache) Erase(deletedID int64) bool { +// Erase erase a stateCache with physical id. +func (sc *statsCache) Erase(deletedID int64) bool { table, hit := sc.lookupUnsafe(deletedID) if !hit { return false } + key := statsCacheKey(deletedID) sc.cache.Delete(key) sc.memTracker.Consume(-table.MemoryUsage()) return true } -// GetAll get all the tables point. -func (sc *simpleLRUStatsCache) GetAll() []*statistics.Table { - sc.mu.Lock() - defer sc.mu.Unlock() - values := sc.cache.GetAll() - tables := make([]*statistics.Table, 0, len(values)) - for _, v := range values { - if t, ok := v.(*statistics.Table); ok && t != nil { - tables = append(tables, t) - } - } - return tables -} - // Update updates the statistics table cache. -func (sc *simpleLRUStatsCache) Update(tables []*statistics.Table, deletedIDs []int64, newVersion uint64) { +func (sc *statsCache) Update(tables []*statistics.Table, deletedIDs []int64, newVersion uint64) { sc.mu.Lock() defer sc.mu.Unlock() if sc.version <= newVersion { @@ -194,22 +151,15 @@ func (sc *simpleLRUStatsCache) Update(tables []*statistics.Table, deletedIDs []i } } -// GetBytesLimit get the limits of memory. -func (sc *simpleLRUStatsCache) GetBytesLimit() int64 { - sc.mu.Lock() - defer sc.mu.Unlock() - return sc.memTracker.GetBytesLimit() -} - -func (sc *simpleLRUStatsCache) GetVersion() uint64 { +func (sc *statsCache) GetVersion() uint64 { sc.mu.Lock() defer sc.mu.Unlock() return sc.version } -// InitStatsCache should be called after the tables and their stats are initilazed -// using tables map and version to init statscache -func (sc *simpleLRUStatsCache) InitStatsCache(tables map[int64]*statistics.Table, version uint64) { +// initStatsCache should be invoked after the tables and their stats are initialized +// using tables map and version to init statsCache +func (sc *statsCache) initStatsCache(tables map[int64]*statistics.Table, version uint64) { sc.mu.Lock() defer sc.mu.Unlock() for _, tbl := range tables { diff --git a/statistics/handle/statscache_test.go b/statistics/handle/statscache_test.go index 11e62eae8c291..f2c5f3439ad19 100644 --- a/statistics/handle/statscache_test.go +++ b/statistics/handle/statscache_test.go @@ -45,7 +45,8 @@ func (s *testStatsSuite) TestStatsCacheMiniMemoryLimit(c *C) { // set new BytesLimit BytesLimit := int64(90000) - s.do.StatsHandle().SetBytesLimit4Test(BytesLimit) + do.StatsHandle().SetBytesLimit4Test(BytesLimit) + // create t2 and kick t1 of cache testKit.MustExec("create table t2 (c1 int, c2 int)") testKit.MustExec("insert into t2 values(1, 2)") do = s.do @@ -101,6 +102,7 @@ func (s *testStatsSuite) TestLoadHistWithLimit(c *C) { c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) testKit.MustExec("analyze table t2") c.Assert(BytesLimit >= h.GetMemConsumed(), IsTrue) + } func (s *testStatsSuite) TestLoadHistWithInvalidIndex(c *C) { @@ -209,6 +211,7 @@ func (s *testStatsSuite) TestManyTableChange(c *C) { for _, v := range statsTblnew.Indices { c.Assert(v.IsInvalid(&stmtctx.StatementContext{}, false), IsFalse) } + } } @@ -254,5 +257,6 @@ func (s *testStatsSuite) TestManyTableChangeWithQuery(c *C) { for _, v := range statsTblNew.Indices { c.Assert(v.IsInvalid(&stmtctx.StatementContext{}, false), IsFalse) } + } } From 6cd3c6574b8efbdeca7cdc5180e764a5d464dd62 Mon Sep 17 00:00:00 2001 From: Zhuomin Liu Date: Wed, 9 Dec 2020 14:27:17 +0800 Subject: [PATCH 0414/1021] expression: fix convert number base for hybrid type (#21554) Signed-off-by: lzmhhh123 --- expression/builtin_math.go | 34 +++++++++++++++++++++++---- expression/builtin_math_vec.go | 3 ++- expression/builtin_math_vec_test.go | 2 ++ expression/integration_test.go | 36 +++++++++++++++++++++++++++++ 4 files changed, 70 insertions(+), 5 deletions(-) diff --git a/expression/builtin_math.go b/expression/builtin_math.go index abef8821eff00..0fc139409c51e 100644 --- a/expression/builtin_math.go +++ b/expression/builtin_math.go @@ -26,6 +26,7 @@ import ( "sync" "github.com/cznic/mathutil" + "github.com/pingcap/parser/ast" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/types" @@ -1163,11 +1164,25 @@ func (b *builtinConvSig) Clone() builtinFunc { // evalString evals CONV(N,from_base,to_base). // See https://dev.mysql.com/doc/refman/5.7/en/mathematical-functions.html#function_conv. func (b *builtinConvSig) evalString(row chunk.Row) (res string, isNull bool, err error) { - str, isNull, err := b.args[0].EvalString(b.ctx, row) - if isNull || err != nil { - return res, isNull, err + var str string + switch x := b.args[0].(type) { + case *Constant: + if x.Value.Kind() == types.KindBinaryLiteral { + str = x.Value.GetBinaryLiteral().ToBitLiteralString(true) + } + case *ScalarFunction: + if x.FuncName.L == ast.Cast { + arg0 := x.GetArgs()[0] + if arg0.GetType().Hybrid() || IsBinaryLiteral(arg0) { + str, isNull, err = arg0.EvalString(b.ctx, row) + if isNull || err != nil { + return str, isNull, err + } + d := types.NewStringDatum(str) + str = d.GetBinaryLiteral().ToBitLiteralString(true) + } + } } - fromBase, isNull, err := b.args[1].EvalInt(b.ctx, row) if isNull || err != nil { return res, isNull, err @@ -1177,6 +1192,17 @@ func (b *builtinConvSig) evalString(row chunk.Row) (res string, isNull bool, err if isNull || err != nil { return res, isNull, err } + if len(str) == 0 { + str, isNull, err = b.args[0].EvalString(b.ctx, row) + if isNull || err != nil { + return res, isNull, err + } + } else { + str, isNull, err = b.conv(str[2:], 2, fromBase) + if err != nil { + return str, isNull, err + } + } return b.conv(str, fromBase, toBase) } func (b *builtinConvSig) conv(str string, fromBase, toBase int64) (res string, isNull bool, err error) { diff --git a/expression/builtin_math_vec.go b/expression/builtin_math_vec.go index b233c9c9acf09..b28b1a655ba79 100644 --- a/expression/builtin_math_vec.go +++ b/expression/builtin_math_vec.go @@ -1070,7 +1070,8 @@ func (b *builtinSignSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) er } func (b *builtinConvSig) vectorized() bool { - return true + // TODO: change the vecEval match hybrid type fixing. Then open the vectorized evaluation. + return false } func (b *builtinConvSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error { diff --git a/expression/builtin_math_vec_test.go b/expression/builtin_math_vec_test.go index fe240d053017f..66d79a0534e01 100644 --- a/expression/builtin_math_vec_test.go +++ b/expression/builtin_math_vec_test.go @@ -23,12 +23,14 @@ import ( ) var vecBuiltinMathCases = map[string][]vecExprBenchCase{ + /* TODO: Because of https://github.com/pingcap/tidb/issues/5817, we don't enable it now. ast.Conv: { { retEvalType: types.ETString, childrenTypes: []types.EvalType{types.ETString, types.ETInt, types.ETInt}, }, }, + */ ast.Sign: { {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETReal}}, }, diff --git a/expression/integration_test.go b/expression/integration_test.go index fdf5aef94f1bd..7efd9dd633aca 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -531,6 +531,42 @@ func (s *testIntegrationSuite2) TestMathBuiltin(c *C) { result.Check(testkit.Rows("")) result = tk.MustQuery("SELECT CONV('a', 37, 10);") result.Check(testkit.Rows("")) + result = tk.MustQuery("SELECT CONV(0x0020, 2, 2);") + result.Check(testkit.Rows("100000")) + result = tk.MustQuery("SELECT CONV(0b10, 16, 2)") + result.Check(testkit.Rows("10")) + result = tk.MustQuery("SELECT CONV(0b10, 16, 8)") + result.Check(testkit.Rows("2")) + tk.MustExec("drop table if exists bit") + tk.MustExec("create table bit(b bit(10))") + tk.MustExec(`INSERT INTO bit (b) VALUES + (0b0000010101), + (0b0000010101), + (NULL), + (0b0000000001), + (0b0000000000), + (0b1111111111), + (0b1111111111), + (0b1111111111), + (0b0000000000), + (0b0000000000), + (0b0000000000), + (0b0000000000), + (0b0000100000);`) + tk.MustQuery("select conv(b, 2, 2) from `bit`").Check(testkit.Rows( + "10101", + "10101", + "", + "1", + "0", + "1111111111", + "1111111111", + "1111111111", + "0", + "0", + "0", + "0", + "100000")) // for abs result = tk.MustQuery("SELECT ABS(-1);") From 5d9bb458150913ec7a58bb2858e258fca077990d Mon Sep 17 00:00:00 2001 From: sylzd Date: Wed, 9 Dec 2020 14:44:35 +0800 Subject: [PATCH 0415/1021] config: add tcp4only for lvs whitelist! (#21552) --- config/config.go | 3 +++ server/server.go | 6 +++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/config/config.go b/config/config.go index 536269a906fdb..a0e01f7841479 100644 --- a/config/config.go +++ b/config/config.go @@ -176,6 +176,9 @@ type Config struct { // where M is the element literal length and w is the number of bytes required for the maximum-length character in the character set. // See https://dev.mysql.com/doc/refman/8.0/en/string-type-syntax.html for more details. EnableEnumLengthLimit bool `toml:"enable-enum-length-limit" json:"enable-enum-length-limit"` + // EnableTCP4Only enables net.Listen("tcp4",...) + // Note that: it can make lvs with toa work and thus tidb can get real client ip. + EnableTCP4Only bool `toml:"enable-tcp4-only" json:"enable-tcp4-only"` } // UpdateTempStoragePath is to update the `TempStoragePath` if port/statusPort was changed diff --git a/server/server.go b/server/server.go index c3baca1e8f516..2bac944e89f03 100644 --- a/server/server.go +++ b/server/server.go @@ -245,7 +245,11 @@ func NewServer(cfg *config.Config, driver IDriver) (*Server, error) { if s.cfg.Host != "" && (s.cfg.Port != 0 || runInGoTest) { addr := fmt.Sprintf("%s:%d", s.cfg.Host, s.cfg.Port) - if s.listener, err = net.Listen("tcp", addr); err == nil { + tcpProto := "tcp" + if s.cfg.EnableTCP4Only { + tcpProto = "tcp4" + } + if s.listener, err = net.Listen(tcpProto, addr); err == nil { logutil.BgLogger().Info("server is running MySQL protocol", zap.String("addr", addr)) if cfg.Socket != "" { if s.socket, err = net.Listen("unix", s.cfg.Socket); err == nil { From 0eb8ff97bc1177fd9ac62f2d925eeec196211036 Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Wed, 9 Dec 2020 15:10:15 +0800 Subject: [PATCH 0416/1021] executor: open childExec during execution for UnionExec (#21561) --- executor/executor.go | 43 +++++++++++++++++++++++++++++++++++---- executor/executor_test.go | 30 +++++++++++++++++++++++++++ store/tikv/snapshot.go | 4 ++++ 3 files changed, 73 insertions(+), 4 deletions(-) diff --git a/executor/executor.go b/executor/executor.go index 706348f80ecb5..e03f6fe7e5697 100644 --- a/executor/executor.go +++ b/executor/executor.go @@ -28,6 +28,7 @@ import ( "github.com/cznic/mathutil" "github.com/opentracing/opentracing-go" "github.com/pingcap/errors" + "github.com/pingcap/failpoint" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/auth" "github.com/pingcap/parser/model" @@ -1439,6 +1440,12 @@ type UnionExec struct { results []*chunk.Chunk wg sync.WaitGroup initialized bool + mu struct { + *sync.Mutex + maxOpenedChildID int + } + + childInFlightForTest int32 } // unionWorkerResult stores the result for a union worker. @@ -1458,12 +1465,11 @@ func (e *UnionExec) waitAllFinished() { // Open implements the Executor Open interface. func (e *UnionExec) Open(ctx context.Context) error { - if err := e.baseExecutor.Open(ctx); err != nil { - return err - } e.stopFetchData.Store(false) e.initialized = false e.finished = make(chan struct{}) + e.mu.Mutex = &sync.Mutex{} + e.mu.maxOpenedChildID = -1 return nil } @@ -1509,6 +1515,19 @@ func (e *UnionExec) resultPuller(ctx context.Context, workerID int) { e.wg.Done() }() for childID := range e.childIDChan { + e.mu.Lock() + if childID > e.mu.maxOpenedChildID { + e.mu.maxOpenedChildID = childID + } + e.mu.Unlock() + if err := e.children[childID].Open(ctx); err != nil { + result.err = err + e.stopFetchData.Store(true) + e.resultPool <- result + } + failpoint.Inject("issue21441", func() { + atomic.AddInt32(&e.childInFlightForTest, 1) + }) for { if e.stopFetchData.Load().(bool) { return @@ -1523,12 +1542,20 @@ func (e *UnionExec) resultPuller(ctx context.Context, workerID int) { e.resourcePools[workerID] <- result.chk break } + failpoint.Inject("issue21441", func() { + if int(atomic.LoadInt32(&e.childInFlightForTest)) > e.concurrency { + panic("the count of child in flight is larger than e.concurrency unexpectedly") + } + }) e.resultPool <- result if result.err != nil { e.stopFetchData.Store(true) return } } + failpoint.Inject("issue21441", func() { + atomic.AddInt32(&e.childInFlightForTest, -1) + }) } } @@ -1567,7 +1594,15 @@ func (e *UnionExec) Close() error { for range e.childIDChan { } } - return e.baseExecutor.Close() + // We do not need to acquire the e.mu.Lock since all the resultPuller can be + // promised to exit when reaching here (e.childIDChan been closed). + var firstErr error + for i := 0; i <= e.mu.maxOpenedChildID; i++ { + if err := e.children[i].Close(); err != nil && firstErr == nil { + firstErr = err + } + } + return firstErr } // ResetContextOfStmt resets the StmtContext and session variables. diff --git a/executor/executor_test.go b/executor/executor_test.go index 2affecc1728c7..7f5055a1334ba 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -7067,6 +7067,36 @@ func (s *testSuite) TestOOMActionPriority(c *C) { c.Assert(action.GetPriority(), Equals, int64(memory.DefLogPriority)) } +func (s *testSerialSuite) TestIssue21441(c *C) { + failpoint.Enable("github.com/pingcap/tidb/executor/issue21441", `return`) + defer failpoint.Disable("github.com/pingcap/tidb/executor/issue21441") + + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int)") + tk.MustExec(`insert into t values(1),(2),(3)`) + tk.Se.GetSessionVars().InitChunkSize = 1 + tk.Se.GetSessionVars().MaxChunkSize = 1 + sql := ` +select a from t union all +select a from t union all +select a from t union all +select a from t union all +select a from t union all +select a from t union all +select a from t union all +select a from t` + tk.MustQuery(sql).Sort().Check(testkit.Rows( + "1", "1", "1", "1", "1", "1", "1", "1", + "2", "2", "2", "2", "2", "2", "2", "2", + "3", "3", "3", "3", "3", "3", "3", "3", + )) + + tk.MustQuery("select a from (" + sql + ") t order by a limit 4").Check(testkit.Rows("1", "1", "1", "1")) + tk.MustQuery("select a from (" + sql + ") t order by a limit 7, 4").Check(testkit.Rows("1", "2", "2", "2")) +} + func (s *testSuite) Test17780(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/store/tikv/snapshot.go b/store/tikv/snapshot.go index 05ddf49c033c9..c99a771ec64c5 100644 --- a/store/tikv/snapshot.go +++ b/store/tikv/snapshot.go @@ -502,9 +502,13 @@ func (s *tikvSnapshot) SetOption(opt kv.Option, val interface{}) { case kv.SnapshotTS: s.setSnapshotTS(val.(uint64)) case kv.ReplicaRead: + s.mu.Lock() s.replicaRead = val.(kv.ReplicaReadType) + s.mu.Unlock() case kv.TaskID: + s.mu.Lock() s.taskID = val.(uint64) + s.mu.Unlock() case kv.CollectRuntimeStats: s.mu.Lock() s.mu.stats = val.(*SnapshotRuntimeStats) From 7ea81021852c94e96f554c45e5f218adb8f83894 Mon Sep 17 00:00:00 2001 From: Rain Li Date: Wed, 9 Dec 2020 15:56:06 +0800 Subject: [PATCH 0417/1021] planner: Add table engine name check (#21110) --- ddl/error.go | 3 +++ errors.toml | 5 +++++ planner/core/preprocess.go | 32 ++++++++++++++++++++++++++++++-- planner/core/preprocess_test.go | 7 +++++++ 4 files changed, 45 insertions(+), 2 deletions(-) diff --git a/ddl/error.go b/ddl/error.go index 413117477de3f..044e9977b9b45 100644 --- a/ddl/error.go +++ b/ddl/error.go @@ -270,4 +270,7 @@ var ( // ErrTooLongValueForType is returned when the individual enum element length is too long. ErrTooLongValueForType = dbterror.ClassDDL.NewStd(mysql.ErrTooLongValueForType) + + // ErrUnknownEngine is returned when the table engine is unknown. + ErrUnknownEngine = dbterror.ClassDDL.NewStd(mysql.ErrUnknownStorageEngine) ) diff --git a/errors.toml b/errors.toml index 01f6e0e2d6646..09cbae1841c91 100644 --- a/errors.toml +++ b/errors.toml @@ -161,6 +161,11 @@ error = ''' Incorrect index name '%-.100s' ''' +["ddl:1286"] +error = ''' +Unknown storage engine '%s' +''' + ["ddl:1292"] error = ''' Truncated incorrect %-.64s value: '%-.128s' diff --git a/planner/core/preprocess.go b/planner/core/preprocess.go index 0204335fb0006..99844a1c27fdc 100644 --- a/planner/core/preprocess.go +++ b/planner/core/preprocess.go @@ -826,13 +826,41 @@ func checkIndexInfo(indexName string, IndexPartSpecifications []*ast.IndexPartSp // checkUnsupportedTableOptions checks if there exists unsupported table options func checkUnsupportedTableOptions(options []*ast.TableOption) error { + var err error = nil for _, option := range options { switch option.Tp { case ast.TableOptionUnion: - return ddl.ErrTableOptionUnionUnsupported + err = ddl.ErrTableOptionUnionUnsupported case ast.TableOptionInsertMethod: - return ddl.ErrTableOptionInsertMethodUnsupported + err = ddl.ErrTableOptionInsertMethodUnsupported + case ast.TableOptionEngine: + err = checkTableEngine(option.StrValue) } + if err != nil { + return err + } + } + return nil +} + +var mysqlValidTableEngineNames = map[string]struct{}{ + "archive": {}, + "blackhole": {}, + "csv": {}, + "example": {}, + "federated": {}, + "innodb": {}, + "memory": {}, + "merge": {}, + "mgr_myisam": {}, + "myisam": {}, + "ndb": {}, + "heap": {}, +} + +func checkTableEngine(engineName string) error { + if _, have := mysqlValidTableEngineNames[strings.ToLower(engineName)]; !have { + return ddl.ErrUnknownEngine.GenWithStackByArgs(engineName) } return nil } diff --git a/planner/core/preprocess_test.go b/planner/core/preprocess_test.go index e491d613c4ef5..394a3fe273f4c 100644 --- a/planner/core/preprocess_test.go +++ b/planner/core/preprocess_test.go @@ -272,6 +272,13 @@ func (s *testValidatorSuite) TestValidator(c *C) { {"CREATE INDEX `` on t (a);", true, errors.New("[ddl:1280]Incorrect index name ''")}, {"CREATE INDEX `` on t ((lower(a)));", true, errors.New("[ddl:1280]Incorrect index name ''")}, + // issue 21082 + {"CREATE TABLE t (a int) ENGINE=Unknown;", false, ddl.ErrUnknownEngine}, + {"CREATE TABLE t (a int) ENGINE=InnoDB;", false, nil}, + {"CREATE TABLE t (a int);", false, nil}, + {"ALTER TABLE t ENGINE=InnoDB;", false, nil}, + {"ALTER TABLE t ENGINE=Unknown;", false, ddl.ErrUnknownEngine}, + // issue 20295 // issue 11193 {"select cast(1.23 as decimal(65,65))", true, types.ErrTooBigScale.GenWithStackByArgs(65, "1.23", mysql.MaxDecimalScale)}, From 39f94f2bbcad57001d24dc94366540c6280ee0e9 Mon Sep 17 00:00:00 2001 From: ruoxi Date: Wed, 9 Dec 2020 16:45:22 +0800 Subject: [PATCH 0418/1021] expression: not evaluate time addition for timestamp with 2 args if 1st arg's year is zero (#21572) --- expression/builtin_time.go | 5 +++++ expression/builtin_time_test.go | 1 + expression/builtin_time_vec.go | 6 ++++++ expression/integration_test.go | 3 +++ 4 files changed, 15 insertions(+) diff --git a/expression/builtin_time.go b/expression/builtin_time.go index 6f1ad3dec54ed..3bdba8eca60fd 100644 --- a/expression/builtin_time.go +++ b/expression/builtin_time.go @@ -4951,6 +4951,11 @@ func (b *builtinTimestamp2ArgsSig) evalTime(row chunk.Row) (types.Time, bool, er if err != nil { return types.ZeroTime, true, handleInvalidTimeError(b.ctx, err) } + if tm.Year() == 0 { + // MySQL won't evaluate add for date with zero year. + // See https://github.com/mysql/mysql-server/blob/5.7/sql/item_timefunc.cc#L2805 + return types.ZeroTime, true, nil + } arg1, isNull, err := b.args[1].EvalString(b.ctx, row) if isNull || err != nil { return types.ZeroTime, isNull, err diff --git a/expression/builtin_time_test.go b/expression/builtin_time_test.go index 8e67dce4892b8..8f7c169847459 100644 --- a/expression/builtin_time_test.go +++ b/expression/builtin_time_test.go @@ -2058,6 +2058,7 @@ func (s *testEvaluatorSuite) TestTimestamp(c *C) { {[]types.Datum{types.NewStringDatum("2017-01-18"), types.NewStringDatum("12:30:59")}, "2017-01-18 12:30:59"}, {[]types.Datum{types.NewStringDatum("2017-01-18 01:01:01"), types.NewStringDatum("12:30:50")}, "2017-01-18 13:31:51"}, {[]types.Datum{types.NewStringDatum("2017-01-18 01:01:01"), types.NewStringDatum("838:59:59")}, "2017-02-22 00:01:00"}, + {[]types.Datum{types.NewStringDatum("0000-01-01"), types.NewStringDatum("1")}, ""}, {[]types.Datum{types.NewDecimalDatum(types.NewDecFromStringForTest("20170118123950.123"))}, "2017-01-18 12:39:50.123"}, {[]types.Datum{types.NewDecimalDatum(types.NewDecFromStringForTest("20170118123950.999"))}, "2017-01-18 12:39:50.999"}, diff --git a/expression/builtin_time_vec.go b/expression/builtin_time_vec.go index 498acce2870e8..36d11e15a77a2 100644 --- a/expression/builtin_time_vec.go +++ b/expression/builtin_time_vec.go @@ -2677,6 +2677,12 @@ func (b *builtinTimestamp2ArgsSig) vecEvalTime(input *chunk.Chunk, result *chunk result.SetNull(i, true) continue } + if tm.Year() == 0 { + // MySQL won't evaluate add for date with zero year. + // See https://github.com/mysql/mysql-server/blob/5.7/sql/item_timefunc.cc#L2805 + result.SetNull(i, true) + continue + } if !isDuration(arg1) { result.SetNull(i, true) diff --git a/expression/integration_test.go b/expression/integration_test.go index 7efd9dd633aca..6191f67054e7c 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -1520,6 +1520,9 @@ func (s *testIntegrationSuite2) TestTimeBuiltin(c *C) { result.Check(testkit.Rows("2003-12-31 00:00:00 2004-01-01 00:00:00")) result = tk.MustQuery("select timestamp(20170118123950.123), timestamp(20170118123950.999);") result.Check(testkit.Rows("2017-01-18 12:39:50.123 2017-01-18 12:39:50.999")) + // Issue https://github.com/pingcap/tidb/issues/20003 + result = tk.MustQuery("select timestamp(0.0001, 0.00001);") + result.Check(testkit.Rows("")) result = tk.MustQuery("select timestamp('2003-12-31', '01:01:01.01'), timestamp('2003-12-31 12:34', '01:01:01.01')," + " timestamp('2008-12-31','00:00:00.0'), timestamp('2008-12-31 00:00:00.000');") From 3b1e1027fda874aed4017f87b265a142dc054793 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=99=8E?= Date: Wed, 9 Dec 2020 17:23:20 +0800 Subject: [PATCH 0419/1021] expression, json: fix converting from string to decimal (#21592) --- ddl/column_type_change_test.go | 2 +- executor/executor_test.go | 9 +++++++++ types/convert.go | 27 +++++++++++++++++++++------ types/datum.go | 8 ++++---- 4 files changed, 35 insertions(+), 11 deletions(-) diff --git a/ddl/column_type_change_test.go b/ddl/column_type_change_test.go index 2dd1d143c7fb7..dcd376efffbad 100644 --- a/ddl/column_type_change_test.go +++ b/ddl/column_type_change_test.go @@ -1314,7 +1314,7 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromJsonToOthers(c *C) { tk.MustExec("alter table t modify ui decimal(20, 10)") tk.MustExec("alter table t modify f64 decimal(20, 10)") // MySQL will get "ERROR 1366 (HY000): Incorrect DECIMAL value: '0' for column '' at row -1". - tk.MustGetErrCode("alter table t modify str decimal(20, 10)", mysql.ErrTruncatedWrongValue) + tk.MustGetErrCode("alter table t modify str decimal(20, 10)", mysql.ErrBadNumber) tk.MustQuery("select * from t").Check(testkit.Rows("0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 -22.0000000000 22.0000000000 323232323.3232323500 \"json string\"")) // double diff --git a/executor/executor_test.go b/executor/executor_test.go index 7f5055a1334ba..1413104f3889b 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -7113,3 +7113,12 @@ func (s *testSuite) Test13004(c *C) { // see https://dev.mysql.com/doc/refman/5.6/en/date-and-time-literals.html, timestamp here actually produces a datetime tk.MustQuery("SELECT TIMESTAMP '9999-01-01 00:00:00'").Check(testkit.Rows("9999-01-01 00:00:00")) } + +func (s *testSuite) Test12178(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists ta") + tk.MustExec("create table ta(id decimal(60,2))") + tk.MustExec("insert into ta values (JSON_EXTRACT('{\"c\": \"1234567890123456789012345678901234567890123456789012345\"}', '$.c'))") + tk.MustQuery("select * from ta").Check(testkit.Rows("1234567890123456789012345678901234567890123456789012345.00")) +} diff --git a/types/convert.go b/types/convert.go index ae8cab0e4c0b5..eeeffd69ae421 100644 --- a/types/convert.go +++ b/types/convert.go @@ -633,16 +633,31 @@ func ConvertJSONToFloat(sc *stmtctx.StatementContext, j json.BinaryJSON) (float6 // ConvertJSONToDecimal casts JSON into decimal. func ConvertJSONToDecimal(sc *stmtctx.StatementContext, j json.BinaryJSON) (*MyDecimal, error) { + var err error = nil res := new(MyDecimal) - if j.TypeCode != json.TypeCodeString { - f64, err := ConvertJSONToFloat(sc, j) - if err != nil { - return res, errors.Trace(err) + switch j.TypeCode { + case json.TypeCodeObject, json.TypeCodeArray: + res = res.FromInt(0) + case json.TypeCodeLiteral: + switch j.Value[0] { + case json.LiteralNil, json.LiteralFalse: + res = res.FromInt(0) + default: + res = res.FromInt(1) } - err = res.FromFloat64(f64) + case json.TypeCodeInt64: + res = res.FromInt(j.GetInt64()) + case json.TypeCodeUint64: + res = res.FromUint(j.GetUint64()) + case json.TypeCodeFloat64: + err = res.FromFloat64(j.GetFloat64()) + case json.TypeCodeString: + err = res.FromString(j.GetString()) + } + err = sc.HandleTruncate(err) + if err != nil { return res, errors.Trace(err) } - err := sc.HandleTruncate(res.FromString(j.GetString())) return res, errors.Trace(err) } diff --git a/types/datum.go b/types/datum.go index 0f38e62681724..b20f2d2cfa468 100644 --- a/types/datum.go +++ b/types/datum.go @@ -1281,11 +1281,11 @@ func (d *Datum) convertToMysqlDecimal(sc *stmtctx.StatementContext, target *Fiel err = err1 dec.FromUint(val) case KindMysqlJSON: - f, err1 := ConvertJSONToFloat(sc, d.GetMysqlJSON()) + f, err1 := ConvertJSONToDecimal(sc, d.GetMysqlJSON()) if err1 != nil { return ret, errors.Trace(err1) } - err = dec.FromFloat64(f) + dec = f default: return invalidConv(d, target.Tp) } @@ -1621,11 +1621,11 @@ func ConvertDatumToDecimal(sc *stmtctx.StatementContext, d Datum) (*MyDecimal, e dec.FromUint(val) err = err1 case KindMysqlJSON: - f, err1 := ConvertJSONToFloat(sc, d.GetMysqlJSON()) + f, err1 := ConvertJSONToDecimal(sc, d.GetMysqlJSON()) if err1 != nil { return nil, errors.Trace(err1) } - err = dec.FromFloat64(f) + dec = f default: err = fmt.Errorf("can't convert %v to decimal", d.GetValue()) } From 11b766df54610ab351d86a14862aaaf0edb67663 Mon Sep 17 00:00:00 2001 From: wjHuang Date: Wed, 9 Dec 2020 17:49:03 +0800 Subject: [PATCH 0420/1021] expression: fix error "invalid time format: '{0 0 0 0 0 0 0}'" for timestampAdd (#21591) Signed-off-by: wjhuang2016 --- expression/builtin_time.go | 3 ++- expression/builtin_time_test.go | 1 + expression/builtin_time_vec.go | 4 +++- 3 files changed, 6 insertions(+), 2 deletions(-) diff --git a/expression/builtin_time.go b/expression/builtin_time.go index 3bdba8eca60fd..d435393595762 100644 --- a/expression/builtin_time.go +++ b/expression/builtin_time.go @@ -6693,7 +6693,8 @@ func (b *builtinTimestampAddSig) evalString(row chunk.Row) (string, bool, error) } tm1, err := arg.GoTime(time.Local) if err != nil { - return "", isNull, err + b.ctx.GetSessionVars().StmtCtx.AppendWarning(err) + return "", true, nil } var tb time.Time fsp := types.DefaultFsp diff --git a/expression/builtin_time_test.go b/expression/builtin_time_test.go index 8f7c169847459..1131cdb9b7515 100644 --- a/expression/builtin_time_test.go +++ b/expression/builtin_time_test.go @@ -2411,6 +2411,7 @@ func (s *testEvaluatorSuite) TestTimestampAdd(c *C) { {"MINUTE", 1, "2003-01-02", "2003-01-02 00:01:00"}, {"WEEK", 1, "2003-01-02 23:59:59", "2003-01-09 23:59:59"}, {"MICROSECOND", 1, 950501, "1995-05-01 00:00:00.000001"}, + {"DAY", 28768, 0, ""}, } fc := funcs[ast.TimestampAdd] diff --git a/expression/builtin_time_vec.go b/expression/builtin_time_vec.go index 36d11e15a77a2..2865a39b0239a 100644 --- a/expression/builtin_time_vec.go +++ b/expression/builtin_time_vec.go @@ -1668,7 +1668,9 @@ func (b *builtinTimestampAddSig) vecEvalString(input *chunk.Chunk, result *chunk tm1, err := arg.GoTime(time.Local) if err != nil { - return err + b.ctx.GetSessionVars().StmtCtx.AppendWarning(err) + result.AppendNull() + continue } var tb time.Time fsp := types.DefaultFsp From 037c3780b62f5e01078c5c86246839fd4126bd54 Mon Sep 17 00:00:00 2001 From: wjHuang Date: Wed, 9 Dec 2020 19:00:59 +0800 Subject: [PATCH 0421/1021] *: remove needless InInsertStmt (#19787) Signed-off-by: wjhuang2016 --- expression/builtin_cast.go | 4 ---- expression/builtin_other.go | 35 +++++++------------------------- expression/builtin_other_test.go | 11 ++-------- expression/integration_test.go | 10 +++++++++ 4 files changed, 19 insertions(+), 41 deletions(-) diff --git a/expression/builtin_cast.go b/expression/builtin_cast.go index ee9e7ae2b32e0..4f16aa60db002 100644 --- a/expression/builtin_cast.go +++ b/expression/builtin_cast.go @@ -1185,10 +1185,6 @@ func (b *builtinCastStringAsRealSig) evalReal(row chunk.Row) (res float64, isNul if isNull || err != nil { return res, isNull, err } - sctx := b.ctx.GetSessionVars().StmtCtx - if val == "" && (sctx.InInsertStmt || sctx.InUpdateStmt) { - return 0, false, nil - } sc := b.ctx.GetSessionVars().StmtCtx res, err = types.StrToFloat(sc, val, true) if err != nil { diff --git a/expression/builtin_other.go b/expression/builtin_other.go index 649bf2c230605..f8c7e139ec499 100644 --- a/expression/builtin_other.go +++ b/expression/builtin_other.go @@ -1085,12 +1085,9 @@ func (b *builtinValuesIntSig) Clone() builtinFunc { // evalInt evals a builtinValuesIntSig. // See https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values func (b *builtinValuesIntSig) evalInt(_ chunk.Row) (int64, bool, error) { - if !b.ctx.GetSessionVars().StmtCtx.InInsertStmt { - return 0, true, nil - } row := b.ctx.GetSessionVars().CurrInsertValues if row.IsEmpty() { - return 0, true, errors.New("Session current insert values is nil") + return 0, true, nil } if b.offset < row.Len() { if row.IsNull(b.offset) { @@ -1129,12 +1126,9 @@ func (b *builtinValuesRealSig) Clone() builtinFunc { // evalReal evals a builtinValuesRealSig. // See https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values func (b *builtinValuesRealSig) evalReal(_ chunk.Row) (float64, bool, error) { - if !b.ctx.GetSessionVars().StmtCtx.InInsertStmt { - return 0, true, nil - } row := b.ctx.GetSessionVars().CurrInsertValues if row.IsEmpty() { - return 0, true, errors.New("Session current insert values is nil") + return 0, true, nil } if b.offset < row.Len() { if row.IsNull(b.offset) { @@ -1163,12 +1157,9 @@ func (b *builtinValuesDecimalSig) Clone() builtinFunc { // evalDecimal evals a builtinValuesDecimalSig. // See https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values func (b *builtinValuesDecimalSig) evalDecimal(_ chunk.Row) (*types.MyDecimal, bool, error) { - if !b.ctx.GetSessionVars().StmtCtx.InInsertStmt { - return nil, true, nil - } row := b.ctx.GetSessionVars().CurrInsertValues if row.IsEmpty() { - return nil, true, errors.New("Session current insert values is nil") + return &types.MyDecimal{}, true, nil } if b.offset < row.Len() { if row.IsNull(b.offset) { @@ -1194,12 +1185,9 @@ func (b *builtinValuesStringSig) Clone() builtinFunc { // evalString evals a builtinValuesStringSig. // See https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values func (b *builtinValuesStringSig) evalString(_ chunk.Row) (string, bool, error) { - if !b.ctx.GetSessionVars().StmtCtx.InInsertStmt { - return "", true, nil - } row := b.ctx.GetSessionVars().CurrInsertValues if row.IsEmpty() { - return "", true, errors.New("Session current insert values is nil") + return "", true, nil } if b.offset >= row.Len() { return "", true, errors.Errorf("Session current insert values len %d and column's offset %v don't match", row.Len(), b.offset) @@ -1234,12 +1222,9 @@ func (b *builtinValuesTimeSig) Clone() builtinFunc { // evalTime evals a builtinValuesTimeSig. // See https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values func (b *builtinValuesTimeSig) evalTime(_ chunk.Row) (types.Time, bool, error) { - if !b.ctx.GetSessionVars().StmtCtx.InInsertStmt { - return types.ZeroTime, true, nil - } row := b.ctx.GetSessionVars().CurrInsertValues if row.IsEmpty() { - return types.ZeroTime, true, errors.New("Session current insert values is nil") + return types.ZeroTime, true, nil } if b.offset < row.Len() { if row.IsNull(b.offset) { @@ -1265,12 +1250,9 @@ func (b *builtinValuesDurationSig) Clone() builtinFunc { // evalDuration evals a builtinValuesDurationSig. // See https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values func (b *builtinValuesDurationSig) evalDuration(_ chunk.Row) (types.Duration, bool, error) { - if !b.ctx.GetSessionVars().StmtCtx.InInsertStmt { - return types.Duration{}, true, nil - } row := b.ctx.GetSessionVars().CurrInsertValues if row.IsEmpty() { - return types.Duration{}, true, errors.New("Session current insert values is nil") + return types.Duration{}, true, nil } if b.offset < row.Len() { if row.IsNull(b.offset) { @@ -1297,12 +1279,9 @@ func (b *builtinValuesJSONSig) Clone() builtinFunc { // evalJSON evals a builtinValuesJSONSig. // See https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_values func (b *builtinValuesJSONSig) evalJSON(_ chunk.Row) (json.BinaryJSON, bool, error) { - if !b.ctx.GetSessionVars().StmtCtx.InInsertStmt { - return json.BinaryJSON{}, true, nil - } row := b.ctx.GetSessionVars().CurrInsertValues if row.IsEmpty() { - return json.BinaryJSON{}, true, errors.New("Session current insert values is nil") + return json.BinaryJSON{}, true, nil } if b.offset < row.Len() { if row.IsNull(b.offset) { diff --git a/expression/builtin_other_test.go b/expression/builtin_other_test.go index b635f845b2944..d43e3438c5276 100644 --- a/expression/builtin_other_test.go +++ b/expression/builtin_other_test.go @@ -227,12 +227,6 @@ func (s *testEvaluatorSuite) TestGetVar(c *C) { } func (s *testEvaluatorSuite) TestValues(c *C) { - origin := s.ctx.GetSessionVars().StmtCtx.InInsertStmt - s.ctx.GetSessionVars().StmtCtx.InInsertStmt = false - defer func() { - s.ctx.GetSessionVars().StmtCtx.InInsertStmt = origin - }() - fc := &valuesFunctionClass{baseFunctionClass{ast.Values, 0, 0}, 1, types.NewFieldType(mysql.TypeVarchar)} _, err := fc.getFunction(s.ctx, s.datumsToConstants(types.MakeDatums(""))) c.Assert(err, ErrorMatches, "*Incorrect parameter count in the call to native function 'values'") @@ -246,11 +240,10 @@ func (s *testEvaluatorSuite) TestValues(c *C) { s.ctx.GetSessionVars().CurrInsertValues = chunk.MutRowFromDatums(types.MakeDatums("1")).ToRow() ret, err = evalBuiltinFunc(sig, chunk.Row{}) - c.Assert(err, IsNil) - c.Assert(ret.IsNull(), IsTrue) + c.Assert(err, NotNil) + c.Assert(err.Error(), Matches, "Session current insert values len.*") currInsertValues := types.MakeDatums("1", "2") - s.ctx.GetSessionVars().StmtCtx.InInsertStmt = true s.ctx.GetSessionVars().CurrInsertValues = chunk.MutRowFromDatums(currInsertValues).ToRow() ret, err = evalBuiltinFunc(sig, chunk.Row{}) c.Assert(err, IsNil) diff --git a/expression/integration_test.go b/expression/integration_test.go index 6191f67054e7c..d5f867e18b0cf 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7772,6 +7772,16 @@ func (s *testIntegrationSuite) TestIssue20180(c *C) { tk.MustQuery("select * from t where a > 1 and a = \"b\";").Check(testkit.Rows("b")) } +func (s *testIntegrationSuite) TestIssue20369(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t(a int);") + tk.MustExec("insert into t values (1);") + tk.MustExec("insert into t select values(a) from t;") + tk.MustQuery("select * from t").Check(testkit.Rows("1", "")) +} + func (s *testIntegrationSuite) TestIssue20730(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") From d0c9c5e03ddbd4487857c79e1ea00cce4c19d914 Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Wed, 9 Dec 2020 19:40:01 +0800 Subject: [PATCH 0422/1021] store: add RLock when reading tikvSnapshot.mu.stats (#21606) --- store/tikv/snapshot.go | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/store/tikv/snapshot.go b/store/tikv/snapshot.go index c99a771ec64c5..1cda645138bf9 100644 --- a/store/tikv/snapshot.go +++ b/store/tikv/snapshot.go @@ -269,12 +269,14 @@ func (s *tikvSnapshot) batchGetSingleRegion(bo *Backoffer, batch batchKeys, coll minCommitTSPushed: &s.minCommitTSPushed, Client: s.store.client, } + s.mu.RLock() if s.mu.stats != nil { cli.Stats = make(map[tikvrpc.CmdType]*RPCRuntimeStats) defer func() { s.mergeRegionRequestStats(cli.Stats) }() } + s.mu.RUnlock() pending := batch.keys for { @@ -411,12 +413,14 @@ func (s *tikvSnapshot) get(ctx context.Context, bo *Backoffer, k kv.Key) ([]byte Client: s.store.client, resolveLite: true, } + s.mu.RLock() if s.mu.stats != nil { cli.Stats = make(map[tikvrpc.CmdType]*RPCRuntimeStats) defer func() { s.mergeRegionRequestStats(cli.Stats) }() } + s.mu.RUnlock() req := tikvrpc.NewReplicaReadRequest(tikvrpc.CmdGet, &pb.GetRequest{ @@ -663,9 +667,12 @@ func prettyWriteKey(buf *bytes.Buffer, key []byte) { } func (s *tikvSnapshot) recordBackoffInfo(bo *Backoffer) { + s.mu.RLock() if s.mu.stats == nil || bo.totalSleep == 0 { + s.mu.RUnlock() return } + s.mu.RUnlock() s.mu.Lock() defer s.mu.Unlock() if s.mu.stats == nil { From 8dd5b0a0c4c5a9b927c4e87afa7b798ea5aba555 Mon Sep 17 00:00:00 2001 From: Zhuomin Liu Date: Wed, 9 Dec 2020 19:54:43 +0800 Subject: [PATCH 0423/1021] planner: do not propagate column eq with different column types (#21495) --- executor/executor_test.go | 10 ++++++++++ expression/constant_propagation.go | 3 +++ 2 files changed, 13 insertions(+) diff --git a/executor/executor_test.go b/executor/executor_test.go index 1413104f3889b..03c5a9d0fd363 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -7012,6 +7012,16 @@ func (s *testSuite) TestIssue20305(c *C) { tk.MustQuery("SELECT * FROM `t3` where y <= a").Check(testkit.Rows("2155 2156")) } +func (s *testSuite) TestIssue13953(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("CREATE TABLE `t` (`id` int(11) DEFAULT NULL, `tp_bigint` bigint(20) DEFAULT NULL )") + tk.MustExec("insert into t values(0,1),(1,9215570218099803537)") + tk.MustQuery("select A.tp_bigint,B.id from t A join t B on A.id < B.id * 16 where A.tp_bigint = B.id;").Check( + testkit.Rows("1 1")) +} + func (s *testSuite) TestZeroDateTimeCompatibility(c *C) { SQLs := []string{ `select YEAR(0000-00-00), YEAR("0000-00-00")`, diff --git a/expression/constant_propagation.go b/expression/constant_propagation.go index bddc5aa0a5079..d44fa533283fe 100644 --- a/expression/constant_propagation.go +++ b/expression/constant_propagation.go @@ -120,6 +120,9 @@ func validEqualCond(ctx sessionctx.Context, cond Expression) (*Column, *Constant // for 'a, b, sin(a) + cos(a) = 5', it returns 'true, false, returns sin(b) + cos(b) = 5' // for 'a, b, cast(a) < rand()', it returns 'false, true, cast(a) < rand()' func tryToReplaceCond(ctx sessionctx.Context, src *Column, tgt *Column, cond Expression, nullAware bool) (bool, bool, Expression) { + if src.RetType.Tp != tgt.RetType.Tp { + return false, false, cond + } sf, ok := cond.(*ScalarFunction) if !ok { return false, false, cond From 51fbf415c904ad77b2a4c29fbfb3ff513ed60f8c Mon Sep 17 00:00:00 2001 From: tangenta Date: Wed, 9 Dec 2020 22:16:50 +0800 Subject: [PATCH 0424/1021] executor: fix the KV decoding logic of memTableReader (#21575) --- executor/clustered_index_test.go | 16 +++++++++++++++- executor/mem_reader.go | 18 ++++++------------ 2 files changed, 21 insertions(+), 13 deletions(-) diff --git a/executor/clustered_index_test.go b/executor/clustered_index_test.go index dea6e9ce3b6e2..e226e90a76ea8 100644 --- a/executor/clustered_index_test.go +++ b/executor/clustered_index_test.go @@ -192,13 +192,27 @@ func (s *testClusteredSuite) TestClusteredWithOldRowFormat(c *C) { tk.MustExec("insert into t values ('b568004d-afad-11ea-8e4d-d651e3a981b7', 1, -1);") tk.MustQuery("select * from t use index(primary);").Check(testkit.Rows("b568004d-afad-11ea-8e4d-d651e3a981b7 1 -1")) + // Test for issue https://github.com/pingcap/tidb/issues/21568 + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t (c_int int, c_str varchar(40), c_decimal decimal(12, 6), primary key(c_str));") + tk.MustExec("begin;") + tk.MustExec("insert into t (c_int, c_str) values (13, 'dazzling torvalds'), (3, 'happy rhodes');") + tk.MustExec("delete from t where c_decimal <= 3.024 or (c_int, c_str) in ((5, 'happy saha'));") + // Test for issue https://github.com/pingcap/tidb/issues/21502. tk.MustExec("drop table if exists t;") tk.MustExec("create table t (c_int int, c_double double, c_decimal decimal(12, 6), primary key(c_decimal, c_double), unique key(c_int));") tk.MustExec("begin;") tk.MustExec("insert into t values (5, 55.068712, 8.256);") tk.MustExec("delete from t where c_int = 5;") - tk.MustExec("commit;") + + // Test for issue https://github.com/pingcap/tidb/issues/21568#issuecomment-741601887 + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t (c_int int, c_str varchar(40), c_timestamp timestamp, c_decimal decimal(12, 6), primary key(c_int, c_str), key(c_decimal));") + tk.MustExec("begin;") + tk.MustExec("insert into t values (11, 'abc', null, null);") + tk.MustExec("update t set c_str = upper(c_str) where c_decimal is null;") + tk.MustQuery("select * from t where c_decimal is null;").Check(testkit.Rows("11 ABC ")) } func (s *testClusteredSuite) TestIssue20002(c *C) { diff --git a/executor/mem_reader.go b/executor/mem_reader.go index 23256e0ad5991..ea9d84116aea2 100644 --- a/executor/mem_reader.go +++ b/executor/mem_reader.go @@ -284,9 +284,7 @@ func (m *memTableReader) getRowData(handle kv.Handle, value []byte) ([][]byte, e break } } - continue - } - if (pkIsHandle && mysql.HasPriKeyFlag(col.Flag)) || id == model.ExtraHandleID { + } else if (pkIsHandle && mysql.HasPriKeyFlag(col.Flag)) || id == model.ExtraHandleID { var handleDatum types.Datum if mysql.HasUnsignedFlag(col.Flag) { // PK column is Unsigned. @@ -433,16 +431,11 @@ func (m *memIndexLookUpReader) getMemRows() ([][]types.Datum, error) { Ft: rowcodec.FieldTypeFromModelColumn(col), }) } - handleColIDs := []int64{-1} - if tblInfo.IsCommonHandle { - handleColIDs = handleColIDs[:0] - pkIdx := tables.FindPrimaryIndex(tblInfo) - for _, idxCol := range pkIdx.Columns { - colID := tblInfo.Columns[idxCol.Offset].ID - handleColIDs = append(handleColIDs, colID) - } + pkColIDs := tables.TryGetCommonPkColumnIds(tblInfo) + if len(pkColIDs) == 0 { + pkColIDs = []int64{-1} } - rd := rowcodec.NewByteDecoder(colInfos, handleColIDs, nil, nil) + rd := rowcodec.NewByteDecoder(colInfos, pkColIDs, nil, nil) memTblReader := &memTableReader{ ctx: m.ctx, table: m.table.Meta(), @@ -452,6 +445,7 @@ func (m *memIndexLookUpReader) getMemRows() ([][]types.Datum, error) { addedRows: make([][]types.Datum, 0, len(handles)), retFieldTypes: m.retFieldTypes, colIDs: colIDs, + pkColIDs: pkColIDs, buffer: allocBuf{ handleBytes: make([]byte, 0, 16), rd: rd, From 9c3e106374afaac474a8681547c5ea697bec5008 Mon Sep 17 00:00:00 2001 From: kennytm Date: Thu, 10 Dec 2020 08:34:53 +0800 Subject: [PATCH 0425/1021] session: add default_week_format to builtinGlobalVariable (#21511) --- session/session.go | 1 + session/session_test.go | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/session/session.go b/session/session.go index a7c1b20a0df8f..82c872759f6cb 100644 --- a/session/session.go +++ b/session/session.go @@ -2209,6 +2209,7 @@ var builtinGlobalVariable = []string{ variable.InnodbLockWaitTimeout, variable.WindowingUseHighPrecision, variable.SQLSelectLimit, + variable.DefaultWeekFormat, /* TiDB specific global variables: */ variable.TiDBSkipASCIICheck, diff --git a/session/session_test.go b/session/session_test.go index 496cf4aec27f5..3133f76457249 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -3816,3 +3816,13 @@ func (s *testSessionSerialSuite) TestCoprocessorOOMAction(c *C) { se.Close() } } + +// TestDefaultWeekFormat checks for issue #21510. +func (s *testSessionSerialSuite) TestDefaultWeekFormat(c *C) { + tk1 := testkit.NewTestKitWithInit(c, s.store) + tk1.MustExec("set @@global.default_week_format = 4;") + defer tk1.MustExec("set @@global.default_week_format = default;") + + tk2 := testkit.NewTestKitWithInit(c, s.store) + tk2.MustQuery("select week('2020-02-02'), @@default_week_format, week('2020-02-02');").Check(testkit.Rows("6 4 6")) +} From 7007bb543b353fea36dda9692129af89c5f35baf Mon Sep 17 00:00:00 2001 From: crazycs Date: Thu, 10 Dec 2020 10:01:28 +0800 Subject: [PATCH 0426/1021] planner: move partition prune test from expression pkg to planner/core pkg (#21587) --- expression/integration_test.go | 2 +- .../core}/partition_pruner_test.go | 18 +++++++++--------- .../core}/testdata/partition_pruner_in.json | 0 .../core}/testdata/partition_pruner_out.json | 0 4 files changed, 10 insertions(+), 10 deletions(-) rename {expression => planner/core}/partition_pruner_test.go (95%) rename {expression => planner/core}/testdata/partition_pruner_in.json (100%) rename {expression => planner/core}/testdata/partition_pruner_out.json (100%) diff --git a/expression/integration_test.go b/expression/integration_test.go index d5f867e18b0cf..b7160483fbc2b 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -8174,7 +8174,7 @@ func (s *testIntegrationSerialSuite) TestIssue20876(c *C) { tk.MustQuery("select * from t where a='#';").Check(testkit.Rows("# C 10")) } -func (s *testSuite2) TestIssue12205(c *C) { +func (s *testIntegrationSuite) TestIssue12205(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/expression/partition_pruner_test.go b/planner/core/partition_pruner_test.go similarity index 95% rename from expression/partition_pruner_test.go rename to planner/core/partition_pruner_test.go index e4557b09bc124..26bf0a3c414ec 100644 --- a/expression/partition_pruner_test.go +++ b/planner/core/partition_pruner_test.go @@ -11,7 +11,7 @@ // See the License for the specific language governing permissions and // limitations under the License. -package expression_test +package core_test import ( "fmt" @@ -26,16 +26,16 @@ import ( "github.com/pingcap/tidb/util/testutil" ) -var _ = Suite(&testSuite2{}) +var _ = Suite(&testPartitionPruneSuit{}) -type testSuite2 struct { +type testPartitionPruneSuit struct { store kv.Storage dom *domain.Domain ctx sessionctx.Context testData testutil.TestData } -func (s *testSuite2) cleanEnv(c *C) { +func (s *testPartitionPruneSuit) cleanEnv(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test_partition") r := tk.MustQuery("show tables") @@ -45,7 +45,7 @@ func (s *testSuite2) cleanEnv(c *C) { } } -func (s *testSuite2) SetUpSuite(c *C) { +func (s *testPartitionPruneSuit) SetUpSuite(c *C) { var err error s.store, s.dom, err = newStoreWithBootstrap() c.Assert(err, IsNil) @@ -54,13 +54,13 @@ func (s *testSuite2) SetUpSuite(c *C) { c.Assert(err, IsNil) } -func (s *testSuite2) TearDownSuite(c *C) { +func (s *testPartitionPruneSuit) TearDownSuite(c *C) { c.Assert(s.testData.GenerateOutputIfNeeded(), IsNil) s.dom.Close() s.store.Close() } -func (s *testSuite2) TestHashPartitionPruner(c *C) { +func (s *testPartitionPruneSuit) TestHashPartitionPruner(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("create database test_partition") tk.MustExec("use test_partition") @@ -89,7 +89,7 @@ func (s *testSuite2) TestHashPartitionPruner(c *C) { } } -func (s *testSuite2) TestListPartitionPruner(c *C) { +func (s *testPartitionPruneSuit) TestListPartitionPruner(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("drop database if exists test_partition;") tk.MustExec("create database test_partition") @@ -156,7 +156,7 @@ func (s *testSuite2) TestListPartitionPruner(c *C) { } } -func (s *testSuite2) TestListColumnsPartitionPruner(c *C) { +func (s *testPartitionPruneSuit) TestListColumnsPartitionPruner(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("drop database if exists test_partition;") tk.MustExec("create database test_partition") diff --git a/expression/testdata/partition_pruner_in.json b/planner/core/testdata/partition_pruner_in.json similarity index 100% rename from expression/testdata/partition_pruner_in.json rename to planner/core/testdata/partition_pruner_in.json diff --git a/expression/testdata/partition_pruner_out.json b/planner/core/testdata/partition_pruner_out.json similarity index 100% rename from expression/testdata/partition_pruner_out.json rename to planner/core/testdata/partition_pruner_out.json From 009c4894e979d241d1b35f597115ffebd514ea50 Mon Sep 17 00:00:00 2001 From: crazycs Date: Thu, 10 Dec 2020 10:33:52 +0800 Subject: [PATCH 0427/1021] executor: make TestPointGetReadLock stable (#21624) Signed-off-by: crazycs520 --- executor/point_get_test.go | 2 ++ 1 file changed, 2 insertions(+) diff --git a/executor/point_get_test.go b/executor/point_get_test.go index cb408ea7bafaa..3a8f8754f702f 100644 --- a/executor/point_get_test.go +++ b/executor/point_get_test.go @@ -642,6 +642,8 @@ func (s *testPointGetSuite) TestPointGetReadLock(c *C) { c.Assert(ok, IsFalse) tk.MustExec("unlock tables") + // Force reload schema to ensure the cache is released. + c.Assert(s.dom.Reload(), IsNil) tk.MustExec("lock tables point read") rows = tk.MustQuery("explain analyze select * from point where id = 1").Rows() From f44c77371ed4e2d4671bc1fd666138b08be3483e Mon Sep 17 00:00:00 2001 From: crazycs Date: Thu, 10 Dec 2020 11:16:52 +0800 Subject: [PATCH 0428/1021] test: convert test to benchmard test to make ci stable (#21616) Signed-off-by: crazycs520 --- planner/core/plan_test.go | 23 +++++++++++------------ 1 file changed, 11 insertions(+), 12 deletions(-) diff --git a/planner/core/plan_test.go b/planner/core/plan_test.go index a8723fa081828..cdf61b0b56afc 100644 --- a/planner/core/plan_test.go +++ b/planner/core/plan_test.go @@ -17,7 +17,6 @@ import ( "bytes" "fmt" "strings" - "time" . "github.com/pingcap/check" "github.com/pingcap/parser/model" @@ -444,7 +443,7 @@ func (s *testPlanNormalize) TestNthPlanHint(c *C) { "Warning 1105 The parameter of nth_plan() is out of range.")) } -func (s *testPlanNormalize) TestDecodePlanPerformance(c *C) { +func (s *testPlanNormalize) BenchmarkDecodePlan(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") tk.MustExec("drop table if exists t") @@ -469,13 +468,14 @@ func (s *testPlanNormalize) TestDecodePlanPerformance(c *C) { // TODO: optimize the encode plan performance when encode plan with runtimeStats tk.Se.GetSessionVars().StmtCtx.RuntimeStatsColl = nil encodedPlanStr := core.EncodePlan(p) - start := time.Now() - _, err := plancodec.DecodePlan(encodedPlanStr) - c.Assert(err, IsNil) - c.Assert(time.Since(start).Seconds(), Less, 3.0) + c.ResetTimer() + for i := 0; i < c.N; i++ { + _, err := plancodec.DecodePlan(encodedPlanStr) + c.Assert(err, IsNil) + } } -func (s *testPlanNormalize) TestEncodePlanPerformance(c *C) { +func (s *testPlanNormalize) BenchmarkEncodePlan(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") tk.MustExec("drop table if exists th") @@ -492,9 +492,8 @@ func (s *testPlanNormalize) TestEncodePlanPerformance(c *C) { p, ok := info.Plan.(core.PhysicalPlan) c.Assert(ok, IsTrue) tk.Se.GetSessionVars().StmtCtx.RuntimeStatsColl = nil - start := time.Now() - encodedPlanStr := core.EncodePlan(p) - c.Assert(time.Since(start).Seconds(), Less, 10.0) - _, err := plancodec.DecodePlan(encodedPlanStr) - c.Assert(err, IsNil) + c.ResetTimer() + for i := 0; i < c.N; i++ { + core.EncodePlan(p) + } } From 8a3705ee404031ad9ad04a5b9587cb9ce6a6446e Mon Sep 17 00:00:00 2001 From: Xuhui Lu Date: Wed, 9 Dec 2020 19:34:52 -0800 Subject: [PATCH 0429/1021] expression: change the round rule for approximate value to `round to nearest even` (#21324) --- expression/builtin_cast_test.go | 4 ++-- expression/builtin_math_test.go | 2 ++ expression/builtin_time_test.go | 2 +- expression/integration_test.go | 2 +- types/convert_test.go | 2 +- types/etc_test.go | 8 ++++---- types/helper.go | 10 +++------- 7 files changed, 14 insertions(+), 16 deletions(-) diff --git a/expression/builtin_cast_test.go b/expression/builtin_cast_test.go index d5c6e6b055f00..c5cc870dedddb 100644 --- a/expression/builtin_cast_test.go +++ b/expression/builtin_cast_test.go @@ -488,8 +488,8 @@ func (s *testEvaluatorSuite) TestCastFuncSig(c *C) { // cast real as int. { &Column{RetType: types.NewFieldType(mysql.TypeDouble), Index: 0}, - 1, - chunk.MutRowFromDatums([]types.Datum{types.NewFloat64Datum(1)}), + 2, + chunk.MutRowFromDatums([]types.Datum{types.NewFloat64Datum(2.5)}), }, // cast Time as int. { diff --git a/expression/builtin_math_test.go b/expression/builtin_math_test.go index f9f7773c95ac8..a19bb7048f10c 100644 --- a/expression/builtin_math_test.go +++ b/expression/builtin_math_test.go @@ -431,6 +431,8 @@ func (s *testEvaluatorSuite) TestRound(c *C) { {[]interface{}{1.298, 1}, 1.3}, {[]interface{}{1.298}, 1}, {[]interface{}{1.298, 0}, 1}, + {[]interface{}{-1.5, 0}, -2}, + {[]interface{}{1.5, 0}, 2}, {[]interface{}{23.298, -1}, 20}, {[]interface{}{newDec("-1.23")}, newDec("-1")}, {[]interface{}{newDec("-1.23"), 1}, newDec("-1.2")}, diff --git a/expression/builtin_time_test.go b/expression/builtin_time_test.go index 1131cdb9b7515..0537261a40b8a 100644 --- a/expression/builtin_time_test.go +++ b/expression/builtin_time_test.go @@ -2156,7 +2156,7 @@ func (s *testEvaluatorSuite) TestMakeTime(c *C) { {[]interface{}{0, 58.4, 0}, "00:58:00"}, {[]interface{}{0, "58.4", 0}, "00:58:00"}, - {[]interface{}{0, 58.5, 1}, "00:59:01"}, + {[]interface{}{0, 58.5, 1}, "00:58:01"}, {[]interface{}{0, "58.5", 1}, "00:58:01"}, {[]interface{}{0, 59.5, 1}, nil}, {[]interface{}{0, "59.5", 1}, "00:59:01"}, diff --git a/expression/integration_test.go b/expression/integration_test.go index b7160483fbc2b..8d3ecf0891ded 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -595,7 +595,7 @@ func (s *testIntegrationSuite2) TestMathBuiltin(c *C) { // for round result = tk.MustQuery("SELECT ROUND(2.5), ROUND(-2.5), ROUND(25E-1);") - result.Check(testkit.Rows("3 -3 3")) // TODO: Should be 3 -3 2 + result.Check(testkit.Rows("3 -3 2")) result = tk.MustQuery("SELECT ROUND(2.5, NULL), ROUND(NULL, 4), ROUND(NULL, NULL), ROUND(NULL);") result.Check(testkit.Rows(" ")) result = tk.MustQuery("SELECT ROUND('123.4'), ROUND('123e-2');") diff --git a/types/convert_test.go b/types/convert_test.go index 2b6d04e5c1c46..5752199f5ceff 100644 --- a/types/convert_test.go +++ b/types/convert_test.go @@ -979,7 +979,7 @@ func (s *testTypeConvertSuite) TestConvertJSONToInt(c *C) { {`[]`, 0}, {`3`, 3}, {`-3`, -3}, - {`4.5`, 5}, + {`4.5`, 4}, {`true`, 1}, {`false`, 0}, {`null`, 0}, diff --git a/types/etc_test.go b/types/etc_test.go index 2fe5dbb885e9f..aa15804185ff5 100644 --- a/types/etc_test.go +++ b/types/etc_test.go @@ -137,14 +137,14 @@ func (s *testTypeEtcSuite) TestRoundFloat(c *C) { Input float64 Expect float64 }{ - {2.5, 3}, + {2.5, 2}, {1.5, 2}, - {0.5, 1}, + {0.5, 0}, {0.49999999999999997, 0}, {0, 0}, {-0.49999999999999997, 0}, - {-0.5, -1}, - {-2.5, -3}, + {-0.5, 0}, + {-2.5, -2}, {-1.5, -2}, } diff --git a/types/helper.go b/types/helper.go index 2c8d4b3c8f9f8..e0ea721c53a96 100644 --- a/types/helper.go +++ b/types/helper.go @@ -21,16 +21,12 @@ import ( "github.com/pingcap/errors" ) -// RoundFloat rounds float val to the nearest integer value with float64 format, like MySQL Round function. +// RoundFloat rounds float val to the nearest even integer value with float64 format, like MySQL Round function. // RoundFloat uses default rounding mode, see https://dev.mysql.com/doc/refman/5.7/en/precision-math-rounding.html -// so rounding use "round half away from zero". +// so rounding use "round to nearest even". // e.g, 1.5 -> 2, -1.5 -> -2. func RoundFloat(f float64) float64 { - if math.Abs(f) < 0.5 { - return 0 - } - - return math.Trunc(f + math.Copysign(0.5, f)) + return math.RoundToEven(f) } // Round rounds the argument f to dec decimal places. From 254ee2db2754284f7413396c68580038d213f51a Mon Sep 17 00:00:00 2001 From: Song Gao Date: Thu, 10 Dec 2020 11:47:38 +0800 Subject: [PATCH 0430/1021] store: support maintaining labels in Store (#21565) --- config/config.go | 5 ++ config/config_test.go | 2 + .../mockstore/mocktikv/cluster_manipulate.go | 14 +++- store/tikv/region_cache.go | 81 ++++++++++++++++--- store/tikv/region_cache_test.go | 28 +++++++ 5 files changed, 116 insertions(+), 14 deletions(-) diff --git a/config/config.go b/config/config.go index a0e01f7841479..f3be588ec2355 100644 --- a/config/config.go +++ b/config/config.go @@ -69,6 +69,8 @@ const ( DefStoreLivenessTimeout = "5s" // DefTxnScope is the default value for TxnScope DefTxnScope = "global" + // DefStoresRefreshInterval is the default value of StoresRefreshInterval + DefStoresRefreshInterval = 60 ) // Valid config maps @@ -176,6 +178,8 @@ type Config struct { // where M is the element literal length and w is the number of bytes required for the maximum-length character in the character set. // See https://dev.mysql.com/doc/refman/8.0/en/string-type-syntax.html for more details. EnableEnumLengthLimit bool `toml:"enable-enum-length-limit" json:"enable-enum-length-limit"` + // StoresRefreshInterval indicates the interval of refreshing stores info, the unit is second. + StoresRefreshInterval uint64 `toml:"stores-refresh-interval" json:"stores-refresh-interval"` // EnableTCP4Only enables net.Listen("tcp4",...) // Note that: it can make lvs with toa work and thus tidb can get real client ip. EnableTCP4Only bool `toml:"enable-tcp4-only" json:"enable-tcp4-only"` @@ -789,6 +793,7 @@ var defaultConf = Config{ DeprecateIntegerDisplayWidth: false, TxnScope: DefTxnScope, EnableEnumLengthLimit: true, + StoresRefreshInterval: DefStoresRefreshInterval, } var ( diff --git a/config/config_test.go b/config/config_test.go index 425bd348e7133..f13bb486f490d 100644 --- a/config/config_test.go +++ b/config/config_test.go @@ -196,6 +196,7 @@ skip-register-to-dashboard = true deprecate-integer-display-length = true txn-scope = "dc-1" enable-enum-length-limit = false +stores-refresh-interval = 30 [performance] txn-total-size-limit=2000 [tikv-client] @@ -273,6 +274,7 @@ spilled-file-encryption-method = "plaintext" c.Assert(conf.DeprecateIntegerDisplayWidth, Equals, true) c.Assert(conf.TxnScope, Equals, "dc-1") c.Assert(conf.EnableEnumLengthLimit, Equals, false) + c.Assert(conf.StoresRefreshInterval, Equals, uint64(30)) _, err = f.WriteString(` [log.file] diff --git a/store/mockstore/mocktikv/cluster_manipulate.go b/store/mockstore/mocktikv/cluster_manipulate.go index bc7a1121ff8da..11512521609f5 100644 --- a/store/mockstore/mocktikv/cluster_manipulate.go +++ b/store/mockstore/mocktikv/cluster_manipulate.go @@ -13,7 +13,11 @@ package mocktikv -import "fmt" +import ( + "fmt" + + "github.com/pingcap/kvproto/pkg/metapb" +) // BootstrapWithSingleStore initializes a Cluster with 1 Region and 1 Store. func BootstrapWithSingleStore(cluster *Cluster) (storeID, peerID, regionID uint64) { @@ -31,7 +35,13 @@ func BootstrapWithMultiStores(cluster *Cluster, n int) (storeIDs, peerIDs []uint leaderPeer = peerIDs[0] regionID = cluster.AllocID() for _, storeID := range storeIDs { - cluster.AddStore(storeID, fmt.Sprintf("store%d", storeID)) + labels := []*metapb.StoreLabel{ + { + Key: "id", + Value: fmt.Sprintf("%v", storeID), + }, + } + cluster.AddStore(storeID, fmt.Sprintf("store%d", storeID), labels...) } cluster.Bootstrap(regionID, storeIDs, peerIDs, leaderPeer) return diff --git a/store/tikv/region_cache.go b/store/tikv/region_cache.go index 79901a159190d..8bc435aa60c1a 100644 --- a/store/tikv/region_cache.go +++ b/store/tikv/region_cache.go @@ -28,6 +28,7 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/failpoint" "github.com/pingcap/kvproto/pkg/metapb" + "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/metrics" "github.com/pingcap/tidb/util" @@ -286,7 +287,8 @@ func NewRegionCache(pdClient pd.Client) *RegionCache { c.storeMu.stores = make(map[uint64]*Store) c.notifyCheckCh = make(chan struct{}, 1) c.closeCh = make(chan struct{}) - go c.asyncCheckAndResolveLoop() + interval := config.GetGlobalConfig().StoresRefreshInterval + go c.asyncCheckAndResolveLoop(time.Duration(interval) * time.Second) return c } @@ -296,7 +298,9 @@ func (c *RegionCache) Close() { } // asyncCheckAndResolveLoop with -func (c *RegionCache) asyncCheckAndResolveLoop() { +func (c *RegionCache) asyncCheckAndResolveLoop(interval time.Duration) { + ticker := time.NewTicker(interval) + defer ticker.Stop() var needCheckStores []*Store for { select { @@ -305,6 +309,18 @@ func (c *RegionCache) asyncCheckAndResolveLoop() { case <-c.notifyCheckCh: needCheckStores = needCheckStores[:0] c.checkAndResolve(needCheckStores) + case <-ticker.C: + // refresh store once a minute to update labels + var stores []*Store + c.storeMu.RLock() + stores = make([]*Store, 0, len(c.storeMu.stores)) + for _, s := range c.storeMu.stores { + stores = append(stores, s) + } + c.storeMu.RUnlock() + for _, store := range stores { + store.reResolve(c) + } } } } @@ -1130,6 +1146,18 @@ func (c *RegionCache) getStoreByStoreID(storeID uint64) (store *Store) { return } +func (c *RegionCache) getStoresByLabels(labels []*metapb.StoreLabel) []*Store { + c.storeMu.RLock() + defer c.storeMu.RUnlock() + s := make([]*Store, 0) + for _, store := range c.storeMu.stores { + if store.IsLabelsMatch(labels) { + s = append(s, store) + } + } + return s +} + // OnRegionEpochNotMatch removes the old region and inserts new regions into the cache. func (c *RegionCache) OnRegionEpochNotMatch(bo *Backoffer, ctx *RPCContext, currentRegions []*metapb.Region) error { // Find whether the region epoch in `ctx` is ahead of TiKV's. If so, backoff. @@ -1385,14 +1413,15 @@ func (r *Region) ContainsByEnd(key []byte) bool { // Store contains a kv process's address. type Store struct { - addr string // loaded store address - saddr string // loaded store status address - storeID uint64 // store's id - state uint64 // unsafe store storeState - resolveMutex sync.Mutex // protect pd from concurrent init requests - epoch uint32 // store fail epoch, see RegionStore.storeEpochs - storeType kv.StoreType // type of the store - tokenCount atomic2.Int64 // used store token count + addr string // loaded store address + saddr string // loaded store status address + storeID uint64 // store's id + state uint64 // unsafe store storeState + labels []*metapb.StoreLabel // stored store labels + resolveMutex sync.Mutex // protect pd from concurrent init requests + epoch uint32 // store fail epoch, see RegionStore.storeEpochs + storeType kv.StoreType // type of the store + tokenCount atomic2.Int64 // used store token count } type resolveState uint64 @@ -1439,6 +1468,7 @@ func (s *Store) initResolve(bo *Backoffer, c *RegionCache) (addr string, err err s.addr = addr s.saddr = store.GetStatusAddress() s.storeType = GetStoreTypeByMeta(store) + s.labels = store.GetLabels() retry: state = s.getResolveState() if state != unresolved { @@ -1491,9 +1521,9 @@ func (s *Store) reResolve(c *RegionCache) { storeType := GetStoreTypeByMeta(store) addr = store.GetAddress() - if s.addr != addr { + if s.addr != addr || !s.IsSameLabels(store.GetLabels()) { state := resolved - newStore := &Store{storeID: s.storeID, addr: addr, saddr: store.GetStatusAddress(), storeType: storeType} + newStore := &Store{storeID: s.storeID, addr: addr, saddr: store.GetStatusAddress(), storeType: storeType, labels: store.GetLabels()} newStore.state = *(*uint64)(&state) c.storeMu.Lock() c.storeMu.stores[newStore.storeID] = newStore @@ -1547,7 +1577,34 @@ retry: case notifyCheckCh <- struct{}{}: default: } +} + +// IsSameLabels returns whether the store have the same labels with target labels +func (s *Store) IsSameLabels(labels []*metapb.StoreLabel) bool { + if len(s.labels) != len(labels) { + return false + } + return s.IsLabelsMatch(labels) +} +// IsLabelsMatch return whether the store's labels match the target labels +func (s *Store) IsLabelsMatch(labels []*metapb.StoreLabel) bool { + if len(labels) < 1 { + return true + } + for _, targetLabel := range labels { + match := false + for _, label := range s.labels { + if targetLabel.Key == label.Key && targetLabel.Value == label.Value { + match = true + break + } + } + if !match { + return false + } + } + return true } type livenessState uint32 diff --git a/store/tikv/region_cache_test.go b/store/tikv/region_cache_test.go index c05c6b025139c..34da8c0dc1728 100644 --- a/store/tikv/region_cache_test.go +++ b/store/tikv/region_cache_test.go @@ -121,6 +121,34 @@ func (s *testRegionCacheSuite) getAddr(c *C, key []byte, replicaRead kv.ReplicaR return ctx.Addr } +func (s *testRegionCacheSuite) TestStoreLabels(c *C) { + testcases := []struct { + storeID uint64 + }{ + { + storeID: s.store1, + }, + { + storeID: s.store2, + }, + } + for _, testcase := range testcases { + c.Log(testcase.storeID) + store := s.cache.getStoreByStoreID(testcase.storeID) + _, err := store.initResolve(s.bo, s.cache) + c.Assert(err, IsNil) + labels := []*metapb.StoreLabel{ + { + Key: "id", + Value: fmt.Sprintf("%v", testcase.storeID), + }, + } + stores := s.cache.getStoresByLabels(labels) + c.Assert(len(stores), Equals, 1) + c.Assert(stores[0].labels, DeepEquals, labels) + } +} + func (s *testRegionCacheSuite) TestSimple(c *C) { seed := rand.Uint32() r := s.getRegion(c, []byte("a")) From fa3e45653f1cdc667e8b6fc2a4ddf1b0ad1d20a8 Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Thu, 10 Dec 2020 12:01:51 +0800 Subject: [PATCH 0431/1021] store: use RLock when reading snapshot.replicaRead snapshot.taskID (#21627) --- store/tikv/scan.go | 6 ++++-- store/tikv/snapshot.go | 33 ++++++++++++++++++--------------- 2 files changed, 22 insertions(+), 17 deletions(-) diff --git a/store/tikv/scan.go b/store/tikv/scan.go index edc991a4d7df7..d0f6b9cd2cc36 100644 --- a/store/tikv/scan.go +++ b/store/tikv/scan.go @@ -204,11 +204,13 @@ func (s *Scanner) getData(bo *Backoffer) error { sreq.EndKey = reqStartKey sreq.Reverse = true } - req := tikvrpc.NewReplicaReadRequest(tikvrpc.CmdScan, sreq, s.snapshot.replicaRead, &s.snapshot.replicaReadSeed, pb.Context{ + s.snapshot.mu.RLock() + req := tikvrpc.NewReplicaReadRequest(tikvrpc.CmdScan, sreq, s.snapshot.mu.replicaRead, &s.snapshot.replicaReadSeed, pb.Context{ Priority: s.snapshot.priority, NotFillCache: s.snapshot.notFillCache, - TaskId: s.snapshot.taskID, + TaskId: s.snapshot.mu.taskID, }) + s.snapshot.mu.RUnlock() resp, err := sender.SendReq(bo, req, loc.Region, ReadTimeoutMedium) if err != nil { return errors.Trace(err) diff --git a/store/tikv/snapshot.go b/store/tikv/snapshot.go index 1cda645138bf9..d727835971f58 100644 --- a/store/tikv/snapshot.go +++ b/store/tikv/snapshot.go @@ -61,9 +61,7 @@ type tikvSnapshot struct { syncLog bool keyOnly bool vars *kv.Variables - replicaRead kv.ReplicaReadType replicaReadSeed uint32 - taskID uint64 minCommitTSPushed // Cache the result of BatchGet. @@ -75,10 +73,12 @@ type tikvSnapshot struct { // It's OK as long as there are no zero-byte values in the protocol. mu struct { sync.RWMutex - hitCnt int64 - cached map[string][]byte - cachedSize int - stats *SnapshotRuntimeStats + hitCnt int64 + cached map[string][]byte + cachedSize int + stats *SnapshotRuntimeStats + replicaRead kv.ReplicaReadType + taskID uint64 } sampleStep uint32 } @@ -280,14 +280,16 @@ func (s *tikvSnapshot) batchGetSingleRegion(bo *Backoffer, batch batchKeys, coll pending := batch.keys for { + s.mu.RLock() req := tikvrpc.NewReplicaReadRequest(tikvrpc.CmdBatchGet, &pb.BatchGetRequest{ Keys: pending, Version: s.version.Ver, - }, s.replicaRead, &s.replicaReadSeed, pb.Context{ + }, s.mu.replicaRead, &s.replicaReadSeed, pb.Context{ Priority: s.priority, NotFillCache: s.notFillCache, - TaskId: s.taskID, + TaskId: s.mu.taskID, }) + s.mu.RUnlock() resp, _, _, err := cli.SendReqCtx(bo, req, batch.region, ReadTimeoutMedium, kv.TiKV, "") @@ -420,17 +422,16 @@ func (s *tikvSnapshot) get(ctx context.Context, bo *Backoffer, k kv.Key) ([]byte s.mergeRegionRequestStats(cli.Stats) }() } - s.mu.RUnlock() - req := tikvrpc.NewReplicaReadRequest(tikvrpc.CmdGet, &pb.GetRequest{ Key: k, Version: s.version.Ver, - }, s.replicaRead, &s.replicaReadSeed, pb.Context{ + }, s.mu.replicaRead, &s.replicaReadSeed, pb.Context{ Priority: s.priority, NotFillCache: s.notFillCache, - TaskId: s.taskID, + TaskId: s.mu.taskID, }) + s.mu.RUnlock() for { loc, err := s.store.regionCache.LocateKey(bo, k) if err != nil { @@ -507,11 +508,11 @@ func (s *tikvSnapshot) SetOption(opt kv.Option, val interface{}) { s.setSnapshotTS(val.(uint64)) case kv.ReplicaRead: s.mu.Lock() - s.replicaRead = val.(kv.ReplicaReadType) + s.mu.replicaRead = val.(kv.ReplicaReadType) s.mu.Unlock() case kv.TaskID: s.mu.Lock() - s.taskID = val.(uint64) + s.mu.taskID = val.(uint64) s.mu.Unlock() case kv.CollectRuntimeStats: s.mu.Lock() @@ -526,7 +527,9 @@ func (s *tikvSnapshot) SetOption(opt kv.Option, val interface{}) { func (s *tikvSnapshot) DelOption(opt kv.Option) { switch opt { case kv.ReplicaRead: - s.replicaRead = kv.ReplicaReadLeader + s.mu.Lock() + s.mu.replicaRead = kv.ReplicaReadLeader + s.mu.Unlock() case kv.CollectRuntimeStats: s.mu.Lock() s.mu.stats = nil From bc41e47360e87a56771ada8767ccc4fd9fcf64cb Mon Sep 17 00:00:00 2001 From: Yilin Chen Date: Thu, 10 Dec 2020 12:16:21 +0800 Subject: [PATCH 0432/1021] store/tikv: support fallback from async commit (take 2) (#21531) Signed-off-by: Yilin Chen --- go.mod | 4 +- go.sum | 8 +-- session/pessimistic_test.go | 8 +-- store/tikv/2pc_test.go | 2 +- store/tikv/async_commit_fail_test.go | 4 +- store/tikv/async_commit_test.go | 4 +- store/tikv/lock_resolver.go | 85 +++++++++++++++--------- store/tikv/lock_test.go | 98 ++++++++++++++++++++++++++-- store/tikv/prewrite.go | 10 +++ store/tikv/region_request_test.go | 4 ++ 10 files changed, 174 insertions(+), 53 deletions(-) diff --git a/go.mod b/go.mod index 62417ba2f098f..6b006e1dd6b03 100644 --- a/go.mod +++ b/go.mod @@ -32,7 +32,7 @@ require ( github.com/kr/text v0.2.0 // indirect github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7 github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef - github.com/ngaut/unistore v0.0.0-20201113064408-907e3fcf8e7d + github.com/ngaut/unistore v0.0.0-20201208082126-4766545aa5b5 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect github.com/opentracing/basictracer-go v1.0.0 github.com/opentracing/opentracing-go v1.1.0 @@ -45,7 +45,7 @@ require ( github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce github.com/pingcap/fn v0.0.0-20200306044125-d5540d389059 github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 - github.com/pingcap/kvproto v0.0.0-20201130052818-5dfa7b1325a3 + github.com/pingcap/kvproto v0.0.0-20201208043834-923c9609272c github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 github.com/pingcap/parser v0.0.0-20201203085211-44f6be1df1c4 github.com/pingcap/sysutil v0.0.0-20201130064824-f0c8aa6a6966 diff --git a/go.sum b/go.sum index d9e46d4b949de..f7203326d7dcb 100644 --- a/go.sum +++ b/go.sum @@ -590,8 +590,8 @@ github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7 h1:7KAv7KMGTTqSmYZtNdc github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7/go.mod h1:iWMfgwqYW+e8n5lC/jjNEhwcjbRDpl5NT7n2h+4UNcI= github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef h1:K0Fn+DoFqNqktdZtdV3bPQ/0cuYh2H4rkg0tytX/07k= github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef/go.mod h1:7WjlapSfwQyo6LNmIvEWzsW1hbBQfpUO4JWnuQRmva8= -github.com/ngaut/unistore v0.0.0-20201113064408-907e3fcf8e7d h1:hh0yCo0UtCuakNdkiRPaLHqzfgxacwUk6/pb9iJyJKU= -github.com/ngaut/unistore v0.0.0-20201113064408-907e3fcf8e7d/go.mod h1:ZR3NH+HzqfiYetwdoAivApnIy8iefPZHTMLfrFNm8g4= +github.com/ngaut/unistore v0.0.0-20201208082126-4766545aa5b5 h1:inEktZjWoqSSRB8P6Zkj8cgwnbaAiSObeisgr/36L8U= +github.com/ngaut/unistore v0.0.0-20201208082126-4766545aa5b5/go.mod h1:ZR3NH+HzqfiYetwdoAivApnIy8iefPZHTMLfrFNm8g4= github.com/nicksnyder/go-i18n v1.10.0/go.mod h1:HrK7VCrbOvQoUAQ7Vpy7i87N7JZZZ7R2xBGjv0j365Q= github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs= github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno= @@ -681,8 +681,8 @@ github.com/pingcap/kvproto v0.0.0-20200417092353-efbe03bcffbd/go.mod h1:IOdRDPLy github.com/pingcap/kvproto v0.0.0-20200420075417-e0c6e8842f22/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/kvproto v0.0.0-20200810113304-6157337686b1/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/kvproto v0.0.0-20201113092725-08f2872278eb/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= -github.com/pingcap/kvproto v0.0.0-20201130052818-5dfa7b1325a3 h1:cpYxg8ggZU3UhVVd4iafhzetjEl2xB1KVjuhEKOhmjU= -github.com/pingcap/kvproto v0.0.0-20201130052818-5dfa7b1325a3/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= +github.com/pingcap/kvproto v0.0.0-20201208043834-923c9609272c h1:RbI6VpxZjaVVkeuxzEKCxw20+FWtXiIhgM+mvzhTc8I= +github.com/pingcap/kvproto v0.0.0-20201208043834-923c9609272c/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/log v0.0.0-20191012051959-b742a5d432e9/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200117041106-d28c14d3b1cd/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200511115504-543df19646ad/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= diff --git a/session/pessimistic_test.go b/session/pessimistic_test.go index db9c5136b85cd..ada32ad2e68b1 100644 --- a/session/pessimistic_test.go +++ b/session/pessimistic_test.go @@ -2068,9 +2068,7 @@ func (s *testPessimisticSuite) TestAsyncCommitWithSchemaChange(c *C) { tk2.MustExec("alter table tk add index k2(c2)") }() c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/beforePrewrite", "1*sleep(1200)"), IsNil) - _ = tk.ExecToErr("commit") - // TODO: wait for https://github.com/pingcap/tidb/pull/21531 - // c.Assert(err, ErrorMatches, ".*commit TS \\d+ is too large") + tk.MustExec("commit") c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/beforePrewrite"), IsNil) tk3.MustExec("admin check table tk") } @@ -2123,9 +2121,7 @@ func (s *testPessimisticSuite) Test1PCWithSchemaChange(c *C) { tk2.MustExec("alter table tk add index k2(c2)") }() c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/beforePrewrite", "1*sleep(1000)"), IsNil) - _ = tk.ExecToErr("commit") - // TODO: Check the error after supporting falling back to 2PC in TiKV. - // c.Assert(err, IsNil) + tk.MustExec("commit") c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/beforePrewrite"), IsNil) tk3.MustExec("admin check table tk") } diff --git a/store/tikv/2pc_test.go b/store/tikv/2pc_test.go index 866342dfa081d..69ca6bcb63338 100644 --- a/store/tikv/2pc_test.go +++ b/store/tikv/2pc_test.go @@ -691,7 +691,7 @@ func (s *testCommitterSuite) TestPessimisticTTL(c *C) { lr := newLockResolver(s.store) bo := NewBackofferWithVars(context.Background(), getMaxBackoff, nil) - status, err := lr.getTxnStatus(bo, txn.startTS, key2, 0, txn.startTS, true) + status, err := lr.getTxnStatus(bo, txn.startTS, key2, 0, txn.startTS, true, false) c.Assert(err, IsNil) c.Assert(status.ttl, GreaterEqual, lockInfo.LockTtl) diff --git a/store/tikv/async_commit_fail_test.go b/store/tikv/async_commit_fail_test.go index de778b1a6e9ab..da2e4757ae32d 100644 --- a/store/tikv/async_commit_fail_test.go +++ b/store/tikv/async_commit_fail_test.go @@ -179,7 +179,7 @@ func (s *testAsyncCommitFailSuite) TestSecondaryListInPrimaryLock(c *C) { primary := txn.committer.primary() bo := NewBackofferWithVars(context.Background(), 5000, nil) - txnStatus, err := s.store.lockResolver.getTxnStatus(bo, txn.StartTS(), primary, 0, 0, false) + txnStatus, err := s.store.lockResolver.getTxnStatus(bo, txn.StartTS(), primary, 0, 0, false, false) c.Assert(err, IsNil) c.Assert(txnStatus.IsCommitted(), IsFalse) c.Assert(txnStatus.action, Equals, kvrpcpb.Action_NoAction) @@ -203,6 +203,8 @@ func (s *testAsyncCommitFailSuite) TestSecondaryListInPrimaryLock(c *C) { c.Assert(gotSecondaries, DeepEquals, expectedSecondaries) c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/asyncCommitDoNothing"), IsNil) + txn.committer.cleanup(context.Background()) + txn.committer.cleanWg.Wait() } test([]string{"a"}, []string{"a1"}) diff --git a/store/tikv/async_commit_test.go b/store/tikv/async_commit_test.go index eb2080d537dc3..7d7607a2f5cd2 100644 --- a/store/tikv/async_commit_test.go +++ b/store/tikv/async_commit_test.go @@ -208,7 +208,7 @@ func (s *testAsyncCommitSuite) TestCheckSecondaries(c *C) { c.Assert(err, IsNil) currentTS, err := s.store.oracle.GetTimestamp(context.Background(), &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) - status, err = s.store.lockResolver.getTxnStatus(s.bo, lock.TxnID, []byte("z"), currentTS, currentTS, true) + status, err = s.store.lockResolver.getTxnStatus(s.bo, lock.TxnID, []byte("z"), currentTS, currentTS, true, false) c.Assert(err, IsNil) c.Assert(status.IsCommitted(), IsTrue) c.Assert(status.CommitTS(), Equals, ts) @@ -234,7 +234,7 @@ func (s *testAsyncCommitSuite) TestCheckSecondaries(c *C) { atomic.StoreInt64(&gotCheckA, 1) resp = kvrpcpb.CheckSecondaryLocksResponse{ - Locks: []*kvrpcpb.LockInfo{{Key: []byte("a"), PrimaryLock: []byte("z"), LockVersion: ts}}, + Locks: []*kvrpcpb.LockInfo{{Key: []byte("a"), PrimaryLock: []byte("z"), LockVersion: ts, UseAsyncCommit: true}}, CommitTs: commitTs, } } else if bytes.Equal(k, []byte("i")) { diff --git a/store/tikv/lock_resolver.go b/store/tikv/lock_resolver.go index c3584afa9c484..33f69c09b0018 100644 --- a/store/tikv/lock_resolver.go +++ b/store/tikv/lock_resolver.go @@ -233,7 +233,7 @@ func (lr *LockResolver) BatchResolveLocks(bo *Backoffer, locks []*Lock, loc Regi tikvLockResolverCountWithExpired.Inc() // Use currentTS = math.MaxUint64 means rollback the txn, no matter the lock is expired or not! - status, err := lr.getTxnStatus(bo, l.TxnID, l.Primary, callerStartTS, math.MaxUint64, true) + status, err := lr.getTxnStatus(bo, l.TxnID, l.Primary, callerStartTS, math.MaxUint64, true, false) if err != nil { return false, err } @@ -242,11 +242,18 @@ func (lr *LockResolver) BatchResolveLocks(bo *Backoffer, locks []*Lock, loc Regi // Then we need to check the secondary locks to determine the final status of the transaction. if status.primaryLock != nil && status.primaryLock.UseAsyncCommit { resolveData, err := lr.checkAllSecondaries(bo, l, &status) - if err != nil { + if err == nil { + txnInfos[l.TxnID] = resolveData.commitTs + continue + } + if _, ok := errors.Cause(err).(*nonAsyncCommitLock); ok { + status, err = lr.getTxnStatus(bo, l.TxnID, l.Primary, callerStartTS, math.MaxUint64, true, true) + if err != nil { + return false, err + } + } else { return false, err } - txnInfos[l.TxnID] = resolveData.commitTs - continue } if status.ttl > 0 { @@ -344,12 +351,11 @@ func (lr *LockResolver) resolveLocks(bo *Backoffer, callerStartTS uint64, locks pushed = make([]uint64, 0, len(locks)) } - for _, l := range locks { - status, err := lr.getTxnStatusFromLock(bo, l, callerStartTS) + var resolve func(*Lock, bool) error + resolve = func(l *Lock, forceSyncCommit bool) error { + status, err := lr.getTxnStatusFromLock(bo, l, callerStartTS, forceSyncCommit) if err != nil { - msBeforeTxnExpired.update(0) - err = errors.Trace(err) - return msBeforeTxnExpired.value(), nil, err + return err } if status.ttl == 0 { @@ -361,17 +367,18 @@ func (lr *LockResolver) resolveLocks(bo *Backoffer, callerStartTS uint64, locks cleanTxns[l.TxnID] = cleanRegions } - if status.primaryLock != nil && status.primaryLock.UseAsyncCommit && !exists { + if status.primaryLock != nil && !forceSyncCommit && status.primaryLock.UseAsyncCommit && !exists { err = lr.resolveLockAsync(bo, l, status) + if _, ok := errors.Cause(err).(*nonAsyncCommitLock); ok { + err = resolve(l, true) + } } else if l.LockType == kvrpcpb.Op_PessimisticLock { err = lr.resolvePessimisticLock(bo, l, cleanRegions) } else { err = lr.resolveLock(bo, l, status, lite, cleanRegions) } if err != nil { - msBeforeTxnExpired.update(0) - err = errors.Trace(err) - return msBeforeTxnExpired.value(), nil, err + return err } } else { tikvLockResolverCountWithNotExpired.Inc() @@ -386,16 +393,26 @@ func (lr *LockResolver) resolveLocks(bo *Backoffer, callerStartTS uint64, locks // This could avoids the deadlock scene of two large transaction. if l.LockType != kvrpcpb.Op_PessimisticLock && l.TxnID > callerStartTS { tikvLockResolverCountWithWriteConflict.Inc() - return msBeforeTxnExpired.value(), nil, kv.ErrWriteConflict.GenWithStackByArgs(callerStartTS, l.TxnID, status.commitTS, l.Key) + return kv.ErrWriteConflict.GenWithStackByArgs(callerStartTS, l.TxnID, status.commitTS, l.Key) } } else { if status.action != kvrpcpb.Action_MinCommitTSPushed { pushFail = true - continue + return nil } pushed = append(pushed, l.TxnID) } } + return nil + } + + for _, l := range locks { + err := resolve(l, false) + if err != nil { + msBeforeTxnExpired.update(0) + err = errors.Trace(err) + return msBeforeTxnExpired.value(), nil, err + } } if pushFail { // If any of the lock fails to push minCommitTS, don't return the pushed array. @@ -451,14 +468,14 @@ func (lr *LockResolver) GetTxnStatus(txnID uint64, callerStartTS uint64, primary if err != nil { return status, err } - return lr.getTxnStatus(bo, txnID, primary, callerStartTS, currentTS, true) + return lr.getTxnStatus(bo, txnID, primary, callerStartTS, currentTS, true, false) } -func (lr *LockResolver) getTxnStatusFromLock(bo *Backoffer, l *Lock, callerStartTS uint64) (TxnStatus, error) { +func (lr *LockResolver) getTxnStatusFromLock(bo *Backoffer, l *Lock, callerStartTS uint64, forceSyncCommit bool) (TxnStatus, error) { var currentTS uint64 var err error var status TxnStatus - if l.UseAsyncCommit { + if l.UseAsyncCommit && !forceSyncCommit { // Async commit doesn't need the current ts since it uses the minCommitTS. currentTS = 0 // Set to 0 so as not to push forward min commit ts. @@ -481,7 +498,7 @@ func (lr *LockResolver) getTxnStatusFromLock(bo *Backoffer, l *Lock, callerStart time.Sleep(100 * time.Millisecond) }) for { - status, err = lr.getTxnStatus(bo, l.TxnID, l.Primary, callerStartTS, currentTS, rollbackIfNotExist) + status, err = lr.getTxnStatus(bo, l.TxnID, l.Primary, callerStartTS, currentTS, rollbackIfNotExist, forceSyncCommit) if err == nil { return status, nil } @@ -533,7 +550,8 @@ func (e txnNotFoundErr) Error() string { // getTxnStatus sends the CheckTxnStatus request to the TiKV server. // When rollbackIfNotExist is false, the caller should be careful with the txnNotFoundErr error. -func (lr *LockResolver) getTxnStatus(bo *Backoffer, txnID uint64, primary []byte, callerStartTS, currentTS uint64, rollbackIfNotExist bool) (TxnStatus, error) { +func (lr *LockResolver) getTxnStatus(bo *Backoffer, txnID uint64, primary []byte, + callerStartTS, currentTS uint64, rollbackIfNotExist bool, forceSyncCommit bool) (TxnStatus, error) { if s, ok := lr.getResolved(txnID); ok { return s, nil } @@ -556,6 +574,7 @@ func (lr *LockResolver) getTxnStatus(bo *Backoffer, txnID uint64, primary []byte CallerStartTs: callerStartTS, CurrentTs: currentTS, RollbackIfNotExist: rollbackIfNotExist, + ForceSyncCommit: forceSyncCommit, }) for { loc, err := lr.store.GetRegionCache().LocateKey(bo, primary) @@ -628,6 +647,12 @@ type asyncResolveData struct { missingLock bool } +type nonAsyncCommitLock struct{} + +func (*nonAsyncCommitLock) Error() string { + return "CheckSecondaryLocks receives a non-async-commit lock" +} + // addKeys adds the keys from locks to data, keeping other fields up to date. startTS and commitTS are for the // transaction being resolved. // @@ -671,7 +696,9 @@ func (data *asyncResolveData) addKeys(locks []*kvrpcpb.LockInfo, expected int, s logutil.BgLogger().Error("addLocks error", zap.Error(err)) return err } - + if !lockInfo.UseAsyncCommit { + return &nonAsyncCommitLock{} + } if !data.missingLock && lockInfo.MinCommitTs > data.commitTs { data.commitTs = lockInfo.MinCommitTs } @@ -786,28 +813,24 @@ func (lr *LockResolver) checkAllSecondaries(bo *Backoffer, l *Lock, status *TxnS } errChan := make(chan error, len(regions)) - + checkBo, cancel := bo.Fork() + defer cancel() for regionID, keys := range regions { curRegionID := regionID curKeys := keys go func() { - errChan <- lr.checkSecondaries(bo, l.TxnID, curKeys, curRegionID, &shared) + errChan <- lr.checkSecondaries(checkBo, l.TxnID, curKeys, curRegionID, &shared) }() } - var errs []string for range regions { - err1 := <-errChan - if err1 != nil { - errs = append(errs, err1.Error()) + err := <-errChan + if err != nil { + return nil, err } } - if len(errs) > 0 { - return nil, errors.Errorf("async commit recovery (sending CheckSecondaryLocks) finished with errors: %v", errs) - } - return &shared, nil } diff --git a/store/tikv/lock_test.go b/store/tikv/lock_test.go index 4de9f101e3929..2be3dfac5b823 100644 --- a/store/tikv/lock_test.go +++ b/store/tikv/lock_test.go @@ -288,7 +288,7 @@ func (s *testLockSuite) TestCheckTxnStatus(c *C) { bo := NewBackofferWithVars(context.Background(), PrewriteMaxBackoff, nil) resolver := newLockResolver(s.store) // Call getTxnStatus to check the lock status. - status, err := resolver.getTxnStatus(bo, txn.StartTS(), []byte("key"), currentTS, currentTS, true) + status, err := resolver.getTxnStatus(bo, txn.StartTS(), []byte("key"), currentTS, currentTS, true, false) c.Assert(err, IsNil) c.Assert(status.IsCommitted(), IsFalse) c.Assert(status.ttl, Greater, uint64(0)) @@ -310,7 +310,7 @@ func (s *testLockSuite) TestCheckTxnStatus(c *C) { // Then call getTxnStatus again and check the lock status. currentTS, err = o.GetTimestamp(context.Background(), &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) - status, err = newLockResolver(s.store).getTxnStatus(bo, txn.StartTS(), []byte("key"), currentTS, 0, true) + status, err = newLockResolver(s.store).getTxnStatus(bo, txn.StartTS(), []byte("key"), currentTS, 0, true, false) c.Assert(err, IsNil) c.Assert(status.ttl, Equals, uint64(0)) c.Assert(status.commitTS, Equals, uint64(0)) @@ -318,7 +318,7 @@ func (s *testLockSuite) TestCheckTxnStatus(c *C) { // Call getTxnStatus on a committed transaction. startTS, commitTS := s.putKV(c, []byte("a"), []byte("a")) - status, err = newLockResolver(s.store).getTxnStatus(bo, startTS, []byte("a"), currentTS, currentTS, true) + status, err = newLockResolver(s.store).getTxnStatus(bo, startTS, []byte("a"), currentTS, currentTS, true, false) c.Assert(err, IsNil) c.Assert(status.ttl, Equals, uint64(0)) c.Assert(status.commitTS, Equals, commitTS) @@ -346,7 +346,7 @@ func (s *testLockSuite) TestCheckTxnStatusNoWait(c *C) { resolver := newLockResolver(s.store) // Call getTxnStatus for the TxnNotFound case. - _, err = resolver.getTxnStatus(bo, txn.StartTS(), []byte("key"), currentTS, currentTS, false) + _, err = resolver.getTxnStatus(bo, txn.StartTS(), []byte("key"), currentTS, currentTS, false, false) c.Assert(err, NotNil) _, ok := errors.Cause(err).(txnNotFoundErr) c.Assert(ok, IsTrue) @@ -363,7 +363,7 @@ func (s *testLockSuite) TestCheckTxnStatusNoWait(c *C) { TTL: 100000, } // Call getTxnStatusFromLock to cover the retry logic. - status, err := resolver.getTxnStatusFromLock(bo, lock, currentTS) + status, err := resolver.getTxnStatusFromLock(bo, lock, currentTS, false) c.Assert(err, IsNil) c.Assert(status.ttl, Greater, uint64(0)) c.Assert(<-errCh, IsNil) @@ -378,7 +378,7 @@ func (s *testLockSuite) TestCheckTxnStatusNoWait(c *C) { TxnID: startTS, TTL: 1000, } - status, err = resolver.getTxnStatusFromLock(bo, lock, currentTS) + status, err = resolver.getTxnStatusFromLock(bo, lock, currentTS, false) c.Assert(err, IsNil) c.Assert(status.ttl, Equals, uint64(0)) c.Assert(status.commitTS, Equals, uint64(0)) @@ -585,3 +585,89 @@ func (s *testLockSuite) TestDeduplicateKeys(c *C) { c.Assert(out, Equals, "a b c") } } + +func (s *testLockSuite) prepareTxnFallenBackFromAsyncCommit(c *C) { + txn, err := s.store.Begin() + c.Assert(err, IsNil) + err = txn.Set([]byte("fb1"), []byte("1")) + c.Assert(err, IsNil) + err = txn.Set([]byte("fb2"), []byte("2")) + c.Assert(err, IsNil) + + committer, err := newTwoPhaseCommitterWithInit(txn.(*tikvTxn), 1) + c.Assert(err, IsNil) + c.Assert(committer.mutations.Len(), Equals, 2) + committer.lockTTL = 0 + committer.setAsyncCommit(true) + committer.maxCommitTS = committer.startTS + (100 << 18) // 100ms + + bo := NewBackoffer(context.Background(), PrewriteMaxBackoff) + err = committer.prewriteMutations(bo, committer.mutations.Slice(0, 1)) + c.Assert(err, IsNil) + c.Assert(committer.isAsyncCommit(), IsTrue) + + // Set an invalid maxCommitTS to produce MaxCommitTsTooLarge + committer.maxCommitTS = committer.startTS - 1 + err = committer.prewriteMutations(bo, committer.mutations.Slice(1, 2)) + c.Assert(err, IsNil) + c.Assert(committer.isAsyncCommit(), IsFalse) // Fallback due to MaxCommitTsTooLarge +} + +func (s *testLockSuite) TestCheckLocksFallenBackFromAsyncCommit(c *C) { + s.prepareTxnFallenBackFromAsyncCommit(c) + + lock := s.mustGetLock(c, []byte("fb1")) + c.Assert(lock.UseAsyncCommit, IsTrue) + bo := NewBackoffer(context.Background(), getMaxBackoff) + lr := newLockResolver(s.store) + status, err := lr.getTxnStatusFromLock(bo, lock, 0, false) + c.Assert(err, IsNil) + c.Assert(NewLock(status.primaryLock), DeepEquals, lock) + + _, err = lr.checkAllSecondaries(bo, lock, &status) + c.Assert(err.(*nonAsyncCommitLock), NotNil) + + status, err = lr.getTxnStatusFromLock(bo, lock, 0, true) + c.Assert(err, IsNil) + c.Assert(status.action, Equals, kvrpcpb.Action_TTLExpireRollback) + c.Assert(status.TTL(), Equals, uint64(0)) +} + +func (s *testLockSuite) TestResolveTxnFallenBackFromAsyncCommit(c *C) { + s.prepareTxnFallenBackFromAsyncCommit(c) + + lock := s.mustGetLock(c, []byte("fb1")) + c.Assert(lock.UseAsyncCommit, IsTrue) + bo := NewBackoffer(context.Background(), getMaxBackoff) + expire, pushed, err := newLockResolver(s.store).ResolveLocks(bo, 0, []*Lock{lock}) + c.Assert(err, IsNil) + c.Assert(expire, Equals, int64(0)) + c.Assert(len(pushed), Equals, 0) + + t3, err := s.store.Begin() + c.Assert(err, IsNil) + _, err = t3.Get(context.Background(), []byte("fb1")) + errMsgMustContain(c, err, "key not exist") + _, err = t3.Get(context.Background(), []byte("fb2")) + errMsgMustContain(c, err, "key not exist") +} + +func (s *testLockSuite) TestBatchResolveTxnFallenBackFromAsyncCommit(c *C) { + s.prepareTxnFallenBackFromAsyncCommit(c) + + lock := s.mustGetLock(c, []byte("fb1")) + c.Assert(lock.UseAsyncCommit, IsTrue) + bo := NewBackoffer(context.Background(), getMaxBackoff) + loc, err := s.store.regionCache.LocateKey(bo, []byte("fb1")) + c.Assert(err, IsNil) + ok, err := newLockResolver(s.store).BatchResolveLocks(bo, []*Lock{lock}, loc.Region) + c.Assert(err, IsNil) + c.Assert(ok, IsTrue) + + t3, err := s.store.Begin() + c.Assert(err, IsNil) + _, err = t3.Get(context.Background(), []byte("fb1")) + errMsgMustContain(c, err, "key not exist") + _, err = t3.Get(context.Background(), []byte("fb2")) + errMsgMustContain(c, err, "key not exist") +} diff --git a/store/tikv/prewrite.go b/store/tikv/prewrite.go index f20413118038e..bc1780f343e14 100644 --- a/store/tikv/prewrite.go +++ b/store/tikv/prewrite.go @@ -84,6 +84,12 @@ func (c *twoPhaseCommitter) buildPrewriteRequest(batch batchMutations, txnSize u MaxCommitTs: c.maxCommitTS, } + failpoint.Inject("invalidMaxCommitTS", func() { + if req.MaxCommitTs > 0 { + req.MaxCommitTs = minCommitTS - 1 + } + }) + if c.isAsyncCommit() { if batch.isPrimary { req.Secondaries = c.asyncSecondaries() @@ -158,10 +164,14 @@ func (action actionPrewrite) handleSingleBatch(c *twoPhaseCommitter, bo *Backoff if c.isOnePC() { if prewriteResp.OnePcCommitTs == 0 { + if prewriteResp.MinCommitTs != 0 { + return errors.Trace(errors.New("MinCommitTs must be 0 when 1pc falls back to 2pc")) + } logutil.Logger(bo.ctx).Warn("1pc failed and fallbacks to normal commit procedure", zap.Uint64("startTS", c.startTS)) tikvOnePCTxnCounterFallback.Inc() c.setOnePC(false) + c.setAsyncCommit(false) } else { // For 1PC, there's no racing to access to access `onePCCommmitTS` so it's safe // not to lock the mutex. diff --git a/store/tikv/region_request_test.go b/store/tikv/region_request_test.go index c8bd2315035ef..ce2c6e6bbb500 100644 --- a/store/tikv/region_request_test.go +++ b/store/tikv/region_request_test.go @@ -488,6 +488,10 @@ func (s *mockTikvGrpcServer) VerDeleteRange(context.Context, *kvrpcpb.VerDeleteR return nil, errors.New("unreachable") } +func (s *mockTikvGrpcServer) CheckLeader(context.Context, *kvrpcpb.CheckLeaderRequest) (*kvrpcpb.CheckLeaderResponse, error) { + return nil, errors.New("unreachable") +} + func (s *testRegionRequestToSingleStoreSuite) TestNoReloadRegionForGrpcWhenCtxCanceled(c *C) { // prepare a mock tikv grpc server addr := "localhost:56341" From c138941231053aee5a80d9a1a77fd156cfa9d967 Mon Sep 17 00:00:00 2001 From: wjHuang Date: Thu, 10 Dec 2020 14:34:52 +0800 Subject: [PATCH 0433/1021] expression: handle invalid argument for addtime and subtime function (#21600) Signed-off-by: wjhuang2016 --- expression/builtin_time.go | 38 +++++++++++++----------- expression/builtin_time_test.go | 14 +++++++-- expression/builtin_time_vec_generated.go | 32 +++++++++++++++++--- expression/generator/time_vec.go | 22 ++++++++++---- 4 files changed, 78 insertions(+), 28 deletions(-) diff --git a/expression/builtin_time.go b/expression/builtin_time.go index d435393595762..3cfe52bb7f987 100644 --- a/expression/builtin_time.go +++ b/expression/builtin_time.go @@ -5101,21 +5101,23 @@ func isDuration(str string) bool { } // strDatetimeAddDuration adds duration to datetime string, returns a string value. -func strDatetimeAddDuration(sc *stmtctx.StatementContext, d string, arg1 types.Duration) (string, error) { +func strDatetimeAddDuration(sc *stmtctx.StatementContext, d string, arg1 types.Duration) (result string, isNull bool, err error) { arg0, err := types.ParseTime(sc, d, mysql.TypeDatetime, types.MaxFsp) if err != nil { - return "", err + // Return a warning regardless of the sql_mode, this is compatible with MySQL. + sc.AppendWarning(err) + return "", true, nil } ret, err := arg0.Add(sc, arg1) if err != nil { - return "", err + return "", false, err } fsp := types.MaxFsp if ret.Microsecond() == 0 { fsp = types.MinFsp } ret.SetFsp(fsp) - return ret.String(), nil + return ret.String(), false, nil } // strDurationAddDuration adds duration to duration string, returns a string value. @@ -5136,14 +5138,16 @@ func strDurationAddDuration(sc *stmtctx.StatementContext, d string, arg1 types.D } // strDatetimeSubDuration subtracts duration from datetime string, returns a string value. -func strDatetimeSubDuration(sc *stmtctx.StatementContext, d string, arg1 types.Duration) (string, error) { +func strDatetimeSubDuration(sc *stmtctx.StatementContext, d string, arg1 types.Duration) (result string, isNull bool, err error) { arg0, err := types.ParseTime(sc, d, mysql.TypeDatetime, types.MaxFsp) if err != nil { - return "", err + // Return a warning regardless of the sql_mode, this is compatible with MySQL. + sc.AppendWarning(err) + return "", true, nil } arg1time, err := arg1.ConvertToTime(sc, uint8(types.GetFsp(arg1.String()))) if err != nil { - return "", err + return "", false, err } tmpDuration := arg0.Sub(sc, &arg1time) fsp := types.MaxFsp @@ -5152,10 +5156,10 @@ func strDatetimeSubDuration(sc *stmtctx.StatementContext, d string, arg1 types.D } resultDuration, err := tmpDuration.ConvertToTime(sc, mysql.TypeDatetime) if err != nil { - return "", err + return "", false, err } resultDuration.SetFsp(fsp) - return resultDuration.String(), nil + return resultDuration.String(), false, nil } // strDurationSubDuration subtracts duration from duration string, returns a string value. @@ -5456,8 +5460,8 @@ func (b *builtinAddStringAndDurationSig) evalString(row chunk.Row) (result strin } return result, false, nil } - result, err = strDatetimeAddDuration(sc, arg0, arg1) - return result, err != nil, err + result, isNull, err = strDatetimeAddDuration(sc, arg0, arg1) + return result, isNull, err } type builtinAddStringAndStringSig struct { @@ -5509,8 +5513,8 @@ func (b *builtinAddStringAndStringSig) evalString(row chunk.Row) (result string, } return result, false, nil } - result, err = strDatetimeAddDuration(sc, arg0, arg1) - return result, err != nil, err + result, isNull, err = strDatetimeAddDuration(sc, arg0, arg1) + return result, isNull, err } type builtinAddDateAndDurationSig struct { @@ -6331,8 +6335,8 @@ func (b *builtinSubStringAndDurationSig) evalString(row chunk.Row) (result strin } return result, false, nil } - result, err = strDatetimeSubDuration(sc, arg0, arg1) - return result, err != nil, err + result, isNull, err = strDatetimeSubDuration(sc, arg0, arg1) + return result, isNull, err } type builtinSubStringAndStringSig struct { @@ -6384,8 +6388,8 @@ func (b *builtinSubStringAndStringSig) evalString(row chunk.Row) (result string, } return result, false, nil } - result, err = strDatetimeSubDuration(sc, arg0, arg1) - return result, err != nil, err + result, isNull, err = strDatetimeSubDuration(sc, arg0, arg1) + return result, isNull, err } type builtinSubTimeStringNullSig struct { diff --git a/expression/builtin_time_test.go b/expression/builtin_time_test.go index 0537261a40b8a..3abeb73e4021a 100644 --- a/expression/builtin_time_test.go +++ b/expression/builtin_time_test.go @@ -915,6 +915,8 @@ func (s *testEvaluatorSuite) TestAddTimeSig(c *C) { {"2017-12-31 23:59:59", "1", "2018-01-01 00:00:00"}, {"2007-12-31 23:59:59.999999", "2 1:1:1.000002", "2008-01-03 01:01:01.000001"}, {"2018-08-16 20:21:01", "00:00:00.000001", "2018-08-16 20:21:01.000001"}, + {"1", "xxcvadfgasd", ""}, + {"xxcvadfgasd", "1", ""}, } fc := funcs[ast.AddTime] for _, t := range tbl { @@ -992,7 +994,10 @@ func (s *testEvaluatorSuite) TestAddTimeSig(c *C) { {types.CurrentTime(mysql.TypeTimestamp), "-32073", types.ErrTruncatedWrongVal}, {types.CurrentTime(mysql.TypeDate), "-32073", types.ErrTruncatedWrongVal}, {types.CurrentTime(mysql.TypeDatetime), "-32073", types.ErrTruncatedWrongVal}, + {"1", "xxcvadfgasd", types.ErrTruncatedWrongVal}, + {"xxcvadfgasd", "1", types.ErrTruncatedWrongVal}, } + beforeWarnCnt := int(s.ctx.GetSessionVars().StmtCtx.WarningCount()) for i, t := range tblWarning { tmpInput := types.NewDatum(t.Input) tmpInputDuration := types.NewDatum(t.InputDuration) @@ -1004,7 +1009,7 @@ func (s *testEvaluatorSuite) TestAddTimeSig(c *C) { c.Assert(result, Equals, "") c.Assert(d.IsNull(), Equals, true) warnings := s.ctx.GetSessionVars().StmtCtx.GetWarnings() - c.Assert(len(warnings), Equals, i+1) + c.Assert(len(warnings), Equals, i+1+beforeWarnCnt) c.Assert(terror.ErrorEqual(t.warning, warnings[i].Err), IsTrue, Commentf("err %v", warnings[i].Err)) } } @@ -1019,6 +1024,8 @@ func (s *testEvaluatorSuite) TestSubTimeSig(c *C) { {"110:00:00", "1 02:00:00", "84:00:00"}, {"2017-01-01 01:01:01.11", "01:01:01.11111", "2016-12-31 23:59:59.998890"}, {"2007-12-31 23:59:59.999999", "1 1:1:1.000002", "2007-12-30 22:58:58.999997"}, + {"1", "xxcvadfgasd", ""}, + {"xxcvadfgasd", "1", ""}, } fc := funcs[ast.SubTime] for _, t := range tbl { @@ -1084,7 +1091,10 @@ func (s *testEvaluatorSuite) TestSubTimeSig(c *C) { {types.CurrentTime(mysql.TypeTimestamp), "-32073", types.ErrTruncatedWrongVal}, {types.CurrentTime(mysql.TypeDate), "-32073", types.ErrTruncatedWrongVal}, {types.CurrentTime(mysql.TypeDatetime), "-32073", types.ErrTruncatedWrongVal}, + {"1", "xxcvadfgasd", types.ErrTruncatedWrongVal}, + {"xxcvadfgasd", "1", types.ErrTruncatedWrongVal}, } + beforeWarnCnt := int(s.ctx.GetSessionVars().StmtCtx.WarningCount()) for i, t := range tblWarning { tmpInput := types.NewDatum(t.Input) tmpInputDuration := types.NewDatum(t.InputDuration) @@ -1096,7 +1106,7 @@ func (s *testEvaluatorSuite) TestSubTimeSig(c *C) { c.Assert(result, Equals, "") c.Assert(d.IsNull(), Equals, true) warnings := s.ctx.GetSessionVars().StmtCtx.GetWarnings() - c.Assert(len(warnings), Equals, i+1) + c.Assert(len(warnings), Equals, i+1+beforeWarnCnt) c.Assert(terror.ErrorEqual(t.warning, warnings[i].Err), IsTrue, Commentf("err %v", warnings[i].Err)) } } diff --git a/expression/builtin_time_vec_generated.go b/expression/builtin_time_vec_generated.go index f9f5292597818..d440aaa1a01ad 100644 --- a/expression/builtin_time_vec_generated.go +++ b/expression/builtin_time_vec_generated.go @@ -318,6 +318,7 @@ func (b *builtinAddStringAndDurationSig) vecEvalString(input *chunk.Chunk, resul fsp1 := int8(b.args[1].GetType().Decimal) arg1Duration := types.Duration{Duration: arg1, Fsp: fsp1} var output string + var isNull bool if isDuration(arg0) { output, err = strDurationAddDuration(sc, arg0, arg1Duration) @@ -332,11 +333,16 @@ func (b *builtinAddStringAndDurationSig) vecEvalString(input *chunk.Chunk, resul } } else { - output, err = strDatetimeAddDuration(sc, arg0, arg1Duration) + output, isNull, err = strDatetimeAddDuration(sc, arg0, arg1Duration) if err != nil { return err } + if isNull { + sc.AppendWarning(err) + result.AppendNull() // fixed: false + continue + } } // commit result @@ -410,6 +416,7 @@ func (b *builtinAddStringAndStringSig) vecEvalString(input *chunk.Chunk, result } var output string + var isNull bool if isDuration(arg0) { output, err = strDurationAddDuration(sc, arg0, arg1Duration) @@ -424,11 +431,16 @@ func (b *builtinAddStringAndStringSig) vecEvalString(input *chunk.Chunk, result } } else { - output, err = strDatetimeAddDuration(sc, arg0, arg1Duration) + output, isNull, err = strDatetimeAddDuration(sc, arg0, arg1Duration) if err != nil { return err } + if isNull { + sc.AppendWarning(err) + result.AppendNull() // fixed: false + continue + } } // commit result @@ -930,6 +942,7 @@ func (b *builtinSubStringAndDurationSig) vecEvalString(input *chunk.Chunk, resul fsp1 := int8(b.args[1].GetType().Decimal) arg1Duration := types.Duration{Duration: arg1, Fsp: fsp1} var output string + var isNull bool if isDuration(arg0) { output, err = strDurationSubDuration(sc, arg0, arg1Duration) @@ -944,11 +957,16 @@ func (b *builtinSubStringAndDurationSig) vecEvalString(input *chunk.Chunk, resul } } else { - output, err = strDatetimeSubDuration(sc, arg0, arg1Duration) + output, isNull, err = strDatetimeSubDuration(sc, arg0, arg1Duration) if err != nil { return err } + if isNull { + sc.AppendWarning(err) + result.AppendNull() // fixed: false + continue + } } // commit result @@ -1022,6 +1040,7 @@ func (b *builtinSubStringAndStringSig) vecEvalString(input *chunk.Chunk, result } var output string + var isNull bool if isDuration(arg0) { output, err = strDurationSubDuration(sc, arg0, arg1Duration) @@ -1036,11 +1055,16 @@ func (b *builtinSubStringAndStringSig) vecEvalString(input *chunk.Chunk, result } } else { - output, err = strDatetimeSubDuration(sc, arg0, arg1Duration) + output, isNull, err = strDatetimeSubDuration(sc, arg0, arg1Duration) if err != nil { return err } + if isNull { + sc.AppendWarning(err) + result.AppendNull() // fixed: false + continue + } } // commit result diff --git a/expression/generator/time_vec.go b/expression/generator/time_vec.go index 7587a3a21f25f..b6c13dc1af760 100644 --- a/expression/generator/time_vec.go +++ b/expression/generator/time_vec.go @@ -182,7 +182,7 @@ func (b *{{.SigName}}) vecEval{{ .Output.TypeName }}(input *chunk.Chunk, result if err != nil { return err } - + {{ else if or (eq .SigName "builtinAddDatetimeAndStringSig") (eq .SigName "builtinSubDatetimeAndStringSig") }} {{ if eq $.FuncName "AddTime" }} {{ template "ConvertStringToDuration" . }} @@ -242,6 +242,7 @@ func (b *{{.SigName}}) vecEval{{ .Output.TypeName }}(input *chunk.Chunk, result fsp1 := int8(b.args[1].GetType().Decimal) arg1Duration := types.Duration{Duration: arg1, Fsp: fsp1} var output string + var isNull bool if isDuration(arg0) { {{ if eq $.FuncName "AddTime" }} output, err = strDurationAddDuration(sc, arg0, arg1Duration) @@ -258,17 +259,23 @@ func (b *{{.SigName}}) vecEval{{ .Output.TypeName }}(input *chunk.Chunk, result } } else { {{ if eq $.FuncName "AddTime" }} - output, err = strDatetimeAddDuration(sc, arg0, arg1Duration) + output, isNull, err = strDatetimeAddDuration(sc, arg0, arg1Duration) {{ else }} - output, err = strDatetimeSubDuration(sc, arg0, arg1Duration) + output, isNull, err = strDatetimeSubDuration(sc, arg0, arg1Duration) {{ end }} if err != nil { return err } + if isNull { + sc.AppendWarning(err) + {{ template "SetNull" . }} + continue + } } {{ else if or (eq .SigName "builtinAddStringAndStringSig") (eq .SigName "builtinSubStringAndStringSig") }} {{ template "ConvertStringToDuration" . }} var output string + var isNull bool if isDuration(arg0) { {{ if eq $.FuncName "AddTime" }} output, err = strDurationAddDuration(sc, arg0, arg1Duration) @@ -285,13 +292,18 @@ func (b *{{.SigName}}) vecEval{{ .Output.TypeName }}(input *chunk.Chunk, result } } else { {{ if eq $.FuncName "AddTime" }} - output, err = strDatetimeAddDuration(sc, arg0, arg1Duration) + output, isNull, err = strDatetimeAddDuration(sc, arg0, arg1Duration) {{ else }} - output, err = strDatetimeSubDuration(sc, arg0, arg1Duration) + output, isNull, err = strDatetimeSubDuration(sc, arg0, arg1Duration) {{ end }} if err != nil { return err } + if isNull { + sc.AppendWarning(err) + {{ template "SetNull" . }} + continue + } } {{ else if or (eq .SigName "builtinAddDateAndDurationSig") (eq .SigName "builtinSubDateAndDurationSig") }} fsp0 := int8(b.args[0].GetType().Decimal) From 687df7abc657cebea36c9e6868474b32b653fc10 Mon Sep 17 00:00:00 2001 From: lance6716 Date: Thu, 10 Dec 2020 15:04:52 +0800 Subject: [PATCH 0434/1021] ddl: fix unstable restartWorker test (#21633) --- ddl/ddl.go | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/ddl/ddl.go b/ddl/ddl.go index 164634be9b174..c15183a235d25 100644 --- a/ddl/ddl.go +++ b/ddl/ddl.go @@ -563,9 +563,8 @@ func (d *ddl) doDDLJob(ctx sessionctx.Context, job *model.Job) error { i++ ticker = updateTickerInterval(ticker, 10*d.lease, job, i) case <-d.ctx.Done(): - logutil.BgLogger().Error("[ddl] doDDLJob will quit because context done", zap.Error(d.ctx.Err())) - err = d.ctx.Err() - return err + logutil.BgLogger().Info("[ddl] doDDLJob will quit because context done") + return context.Canceled } historyJob, err = d.getHistoryDDLJob(jobID) From 836bf75f1bb15c9d4a0835d24afecc134b25cc5f Mon Sep 17 00:00:00 2001 From: Null not nil <67764674+nullnotnil@users.noreply.github.com> Date: Thu, 10 Dec 2020 00:18:21 -0700 Subject: [PATCH 0435/1021] server: check LOAD DATA is into a base table (#20924) --- server/conn.go | 4 +++- server/server_test.go | 11 +++++++++++ 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/server/conn.go b/server/conn.go index dd80298ff8281..6452e5bb91453 100644 --- a/server/conn.go +++ b/server/conn.go @@ -1287,7 +1287,9 @@ func (cc *clientConn) handleLoadData(ctx context.Context, loadDataInfo *executor if loadDataInfo == nil { return errors.New("load data info is empty") } - + if !loadDataInfo.Table.Meta().IsBaseTable() { + return errors.New("can only load data into base tables") + } err := cc.writeReq(ctx, loadDataInfo.Path) if err != nil { return err diff --git a/server/server_test.go b/server/server_test.go index 688bce2c8e5c6..1fa9b8d4a2db6 100644 --- a/server/server_test.go +++ b/server/server_test.go @@ -527,6 +527,17 @@ func (cli *testServerClient) runTestLoadData(c *C, server *Server) { }, "LoadData", func(dbt *DBTest) { dbt.mustExec("set @@tidb_dml_batch_size = 3") dbt.mustExec("create table test (a varchar(255), b varchar(255) default 'default value', c int not null auto_increment, primary key(c))") + dbt.mustExec("create view v1 as select 1") + dbt.mustExec("create sequence s1") + + // can't insert into views (in TiDB) or sequences. issue #20880 + _, err = dbt.db.Exec("load data local infile '/tmp/load_data_test.csv' into table v1") + dbt.Assert(err, NotNil) + dbt.Assert(err.Error(), Equals, "Error 1105: can only load data into base tables") + _, err = dbt.db.Exec("load data local infile '/tmp/load_data_test.csv' into table s1") + dbt.Assert(err, NotNil) + dbt.Assert(err.Error(), Equals, "Error 1105: can only load data into base tables") + rs, err1 := dbt.db.Exec("load data local infile '/tmp/load_data_test.csv' into table test") dbt.Assert(err1, IsNil) lastID, err1 := rs.LastInsertId() From e87d9d75d8ebed5f022f9301836996fe7444d6a2 Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Thu, 10 Dec 2020 15:33:22 +0800 Subject: [PATCH 0436/1021] session: set default connect collation to utf8mb4_bin (#21179) --- server/tidb_test.go | 24 ++++++++++++++++++++++++ sessionctx/variable/session.go | 6 +++--- 2 files changed, 27 insertions(+), 3 deletions(-) diff --git a/server/tidb_test.go b/server/tidb_test.go index 587011def7662..0b6e661e5fb51 100644 --- a/server/tidb_test.go +++ b/server/tidb_test.go @@ -42,6 +42,7 @@ import ( "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/store/mockstore" "github.com/pingcap/tidb/util" + "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/testkit" ) @@ -1000,6 +1001,29 @@ func (ts *tidbTestSuite) TestGracefulShutdown(c *C) { c.Assert(err, ErrorMatches, ".*connect: connection refused") } +func (ts *tidbTestSerialSuite) TestDefaultCharacterAndCollation(c *C) { + // issue #21194 + collate.SetNewCollationEnabledForTest(true) + defer collate.SetNewCollationEnabledForTest(false) + // 255 is the collation id of mysql client 8 default collation_connection + qctx, err := ts.tidbdrv.OpenCtx(uint64(0), 0, uint8(255), "test", nil) + c.Assert(err, IsNil) + testCase := []struct { + variable string + except string + }{ + {"collation_connection", "utf8mb4_bin"}, + {"character_set_connection", "utf8mb4"}, + {"character_set_client", "utf8mb4"}, + } + + for _, t := range testCase { + sVars, b := qctx.GetSessionVars().GetSystemVar(t.variable) + c.Assert(b, IsTrue) + c.Assert(sVars, Equals, t.except) + } +} + func (ts *tidbTestSuite) TestPessimisticInsertSelectForUpdate(c *C) { qctx, err := ts.tidbdrv.OpenCtx(uint64(0), 0, uint8(tmysql.DefaultCollationID), "test", nil) c.Assert(err, IsNil) diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index b54b028e9a45e..32ef90dbbd8e8 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -1544,7 +1544,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.systems[CollationServer] = coll.Name s.systems[CharacterSetServer] = coll.CharsetName } - case CharacterSetSystem, CharacterSetConnection, CharacterSetClient, CharacterSetResults, + val = coll.Name + case CharacterSetConnection, CharacterSetClient, CharacterSetResults, CharacterSetServer, CharsetDatabase, CharacterSetFilesystem: if val == "" { if name == CharacterSetResults { @@ -1568,9 +1569,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { case CharacterSetServer: s.systems[CollationServer] = coll s.systems[CharacterSetServer] = cht - default: - s.systems[name] = cht } + val = cht case TiDBSlowLogThreshold: atomic.StoreUint64(&config.GetGlobalConfig().Log.SlowThreshold, uint64(tidbOptInt64(val, logutil.DefaultSlowThreshold))) case TiDBRecordPlanInSlowLog: From 39d8fcc71b6d83a96defcbeafaf2c076583a8328 Mon Sep 17 00:00:00 2001 From: dongyan <34701401+dyzsr@users.noreply.github.com> Date: Thu, 10 Dec 2020 15:48:02 +0800 Subject: [PATCH 0437/1021] executor: fix value swapping and multi-updates in UPDATE statement (#20493) --- executor/builder.go | 6 + executor/executor_test.go | 6 +- executor/update.go | 184 ++++++++++++++++++---- executor/update_test.go | 93 +++++++++++ executor/write_test.go | 2 +- planner/core/common_plans.go | 2 + planner/core/integration_test.go | 17 +- planner/core/logical_plan_builder.go | 62 ++++++-- planner/core/point_get_plan.go | 3 +- planner/core/testdata/plan_suite_in.json | 4 +- planner/core/testdata/plan_suite_out.json | 4 +- 11 files changed, 328 insertions(+), 55 deletions(-) diff --git a/executor/builder.go b/executor/builder.go index a432f4483a46d..abfba93797fd3 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -1805,8 +1805,12 @@ func (b *executorBuilder) buildSplitRegion(v *plannercore.SplitRegion) Executor func (b *executorBuilder) buildUpdate(v *plannercore.Update) Executor { tblID2table := make(map[int64]table.Table, len(v.TblColPosInfos)) + multiUpdateOnSameTable := make(map[int64]bool) for _, info := range v.TblColPosInfos { tbl, _ := b.is.TableByID(info.TblID) + if _, ok := tblID2table[info.TblID]; ok { + multiUpdateOnSameTable[info.TblID] = true + } tblID2table[info.TblID] = tbl if len(v.PartitionedTable) > 0 { // The v.PartitionedTable collects the partitioned table. @@ -1834,6 +1838,8 @@ func (b *executorBuilder) buildUpdate(v *plannercore.Update) Executor { baseExecutor: base, OrderedList: v.OrderedList, allAssignmentsAreConstant: v.AllAssignmentsAreConstant, + virtualAssignmentsOffset: v.VirtualAssignmentsOffset, + multiUpdateOnSameTable: multiUpdateOnSameTable, tblID2table: tblID2table, tblColPosInfos: v.TblColPosInfos, } diff --git a/executor/executor_test.go b/executor/executor_test.go index 03c5a9d0fd363..3426b711fda45 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -1818,15 +1818,15 @@ func (s *testSuiteP1) TestMultiUpdate(c *C) { // Test UPDATE ... set_lists. tk.MustExec(`UPDATE test_mu SET b = 0, c = b WHERE a = 4`) result = tk.MustQuery(`SELECT * FROM test_mu ORDER BY a`) - result.Check(testkit.Rows(`1 7 2`, `4 0 0`, `7 8 9`)) + result.Check(testkit.Rows(`1 7 2`, `4 0 5`, `7 8 9`)) tk.MustExec(`UPDATE test_mu SET c = 8, b = c WHERE a = 4`) result = tk.MustQuery(`SELECT * FROM test_mu ORDER BY a`) - result.Check(testkit.Rows(`1 7 2`, `4 8 8`, `7 8 9`)) + result.Check(testkit.Rows(`1 7 2`, `4 5 8`, `7 8 9`)) tk.MustExec(`UPDATE test_mu SET c = b, b = c WHERE a = 7`) result = tk.MustQuery(`SELECT * FROM test_mu ORDER BY a`) - result.Check(testkit.Rows(`1 7 2`, `4 8 8`, `7 8 8`)) + result.Check(testkit.Rows(`1 7 2`, `4 5 8`, `7 9 8`)) } func (s *testSuiteP1) TestGeneratedColumnWrite(c *C) { diff --git a/executor/update.go b/executor/update.go index dbbca581dc64e..6e27b3fc99f31 100644 --- a/executor/update.go +++ b/executor/update.go @@ -36,10 +36,14 @@ type UpdateExec struct { OrderedList []*expression.Assignment - // updatedRowKeys is a map for unique (Table, handle) pair. + // updatedRowKeys is a map for unique (TableAlias, handle) pair. // The value is true if the row is changed, or false otherwise - updatedRowKeys map[int64]*kv.HandleMap + updatedRowKeys map[int]*kv.HandleMap tblID2table map[int64]table.Table + // mergedRowData is a map for unique (Table, handle) pair. + // The value is cached table row + mergedRowData map[int64]*kv.HandleMap + multiUpdateOnSameTable map[int64]bool matched uint64 // a counter of matched rows during update // tblColPosInfos stores relationship between column ordinal to its table handle. @@ -47,63 +51,139 @@ type UpdateExec struct { tblColPosInfos plannercore.TblColPosInfoSlice evalBuffer chunk.MutRow allAssignmentsAreConstant bool + virtualAssignmentsOffset int drained bool memTracker *memory.Tracker stats *runtimeStatsWithSnapshot + + handles []kv.Handle + updatable []bool + changed []bool + matches []bool + assignFlag []bool } -func (e *UpdateExec) exec(ctx context.Context, schema *expression.Schema, row, newData []types.Datum) error { - defer trace.StartRegion(ctx, "UpdateExec").End() - assignFlag, err := plannercore.GetUpdateColumns(e.ctx, e.OrderedList, schema.Len()) +// prepare `handles`, `updatable`, `changed` and `assignFlag` to avoid re-computations. +func (e *UpdateExec) prepare(ctx context.Context, schema *expression.Schema, row []types.Datum) (err error) { + e.assignFlag, err = plannercore.GetUpdateColumns(e.ctx, e.OrderedList, schema.Len()) if err != nil { return err } if e.updatedRowKeys == nil { - e.updatedRowKeys = make(map[int64]*kv.HandleMap) + e.updatedRowKeys = make(map[int]*kv.HandleMap) } + e.handles = e.handles[:0] + e.updatable = e.updatable[:0] + e.changed = e.changed[:0] + e.matches = e.matches[:0] for _, content := range e.tblColPosInfos { - tbl := e.tblID2table[content.TblID] - if e.updatedRowKeys[content.TblID] == nil { - e.updatedRowKeys[content.TblID] = kv.NewHandleMap() + if e.updatedRowKeys[content.Start] == nil { + e.updatedRowKeys[content.Start] = kv.NewHandleMap() } - var handle kv.Handle - handle, err = content.HandleCols.BuildHandleByDatums(row) + handle, err := content.HandleCols.BuildHandleByDatums(row) if err != nil { return err } + e.handles = append(e.handles, handle) - oldData := row[content.Start:content.End] - newTableData := newData[content.Start:content.End] updatable := false - flags := assignFlag[content.Start:content.End] + flags := e.assignFlag[content.Start:content.End] for _, flag := range flags { if flag { updatable = true break } } - if !updatable { + e.updatable = append(e.updatable, updatable) + + changed, ok := e.updatedRowKeys[content.Start].Get(handle) + if ok { + e.changed = append(e.changed, changed.(bool)) + e.matches = append(e.matches, false) + } else { + e.changed = append(e.changed, false) + e.matches = append(e.matches, true) + } + } + return nil +} + +func (e *UpdateExec) merge(ctx context.Context, row, newData []types.Datum, mergeGenerated bool) error { + if e.mergedRowData == nil { + e.mergedRowData = make(map[int64]*kv.HandleMap) + } + var mergedData []types.Datum + // merge updates from and into mergedRowData + for i, content := range e.tblColPosInfos { + if !e.multiUpdateOnSameTable[content.TblID] { + // No need to merge if not multi-updated + continue + } + if !e.updatable[i] { // If there's nothing to update, we can just skip current row continue } - var changed bool - v, ok := e.updatedRowKeys[content.TblID].Get(handle) - if !ok { - // Row is matched for the first time, increment `matched` counter - e.matched++ + if e.changed[i] { + // Each matched row is updated once, even if it matches the conditions multiple times. + continue + } + handle := e.handles[i] + flags := e.assignFlag[content.Start:content.End] + + if e.mergedRowData[content.TblID] == nil { + e.mergedRowData[content.TblID] = kv.NewHandleMap() + } + tbl := e.tblID2table[content.TblID] + oldData := row[content.Start:content.End] + newTableData := newData[content.Start:content.End] + if v, ok := e.mergedRowData[content.TblID].Get(handle); ok { + mergedData = v.([]types.Datum) + for i, flag := range flags { + if tbl.WritableCols()[i].IsGenerated() != mergeGenerated { + continue + } + mergedData[i].Copy(&oldData[i]) + if flag { + newTableData[i].Copy(&mergedData[i]) + } else { + mergedData[i].Copy(&newTableData[i]) + } + } } else { - changed = v.(bool) + mergedData = append([]types.Datum{}, newTableData...) + } + e.mergedRowData[content.TblID].Set(handle, mergedData) + } + return nil +} + +func (e *UpdateExec) exec(ctx context.Context, schema *expression.Schema, row, newData []types.Datum) error { + defer trace.StartRegion(ctx, "UpdateExec").End() + for i, content := range e.tblColPosInfos { + if !e.updatable[i] { + // If there's nothing to update, we can just skip current row + continue } - if changed { + if e.changed[i] { // Each matched row is updated once, even if it matches the conditions multiple times. continue } + if e.matches[i] { + // Row is matched for the first time, increment `matched` counter + e.matched++ + } + tbl := e.tblID2table[content.TblID] + handle := e.handles[i] + + oldData := row[content.Start:content.End] + newTableData := newData[content.Start:content.End] + flags := e.assignFlag[content.Start:content.End] // Update row changed, err1 := updateRecord(ctx, e.ctx, handle, oldData, newTableData, flags, tbl, false, e.memTracker) if err1 == nil { - e.updatedRowKeys[content.TblID].Set(handle, changed) + e.updatedRowKeys[content.Start].Set(handle, changed) continue } @@ -182,10 +262,31 @@ func (e *UpdateExec) updateRows(ctx context.Context) (int, error) { for rowIdx := 0; rowIdx < chk.NumRows(); rowIdx++ { chunkRow := chk.GetRow(rowIdx) datumRow := chunkRow.GetDatumRow(fields) - newRow, err1 := composeFunc(globalRowIdx, datumRow, colsInfo) - if err1 != nil { - return 0, err1 + // precomputes handles + if err := e.prepare(ctx, e.children[0].Schema(), datumRow); err != nil { + return 0, err } + // compose non-generated columns + newRow, err := composeFunc(globalRowIdx, datumRow, colsInfo) + if err != nil { + return 0, err + } + // merge non-generated columns + if err := e.merge(ctx, datumRow, newRow, false); err != nil { + return 0, err + } + if e.virtualAssignmentsOffset < len(e.OrderedList) { + // compose generated columns + newRow, err = e.composeGeneratedColumns(globalRowIdx, newRow, colsInfo) + if err != nil { + return 0, err + } + // merge generated columns + if err := e.merge(ctx, datumRow, newRow, true); err != nil { + return 0, err + } + } + // write to table if err := e.exec(ctx, e.children[0].Schema(), datumRow, newRow); err != nil { return 0, err } @@ -243,7 +344,7 @@ func (e *UpdateExec) fastComposeNewRow(rowIdx int, oldRow []types.Datum, cols [] func (e *UpdateExec) composeNewRow(rowIdx int, oldRow []types.Datum, cols []*table.Column) ([]types.Datum, error) { newRowData := types.CloneRow(oldRow) e.evalBuffer.SetDatums(newRowData...) - for _, assign := range e.OrderedList { + for _, assign := range e.OrderedList[:e.virtualAssignmentsOffset] { handleIdx, handleFound := e.tblColPosInfos.FindHandle(assign.Col.Index) if handleFound && e.canNotUpdate(oldRow[handleIdx]) { continue @@ -262,6 +363,35 @@ func (e *UpdateExec) composeNewRow(rowIdx int, oldRow []types.Datum, cols []*tab } } + val.Copy(&newRowData[assign.Col.Index]) + } + return newRowData, nil +} + +func (e *UpdateExec) composeGeneratedColumns(rowIdx int, newRowData []types.Datum, cols []*table.Column) ([]types.Datum, error) { + if e.allAssignmentsAreConstant { + return newRowData, nil + } + e.evalBuffer.SetDatums(newRowData...) + for _, assign := range e.OrderedList[e.virtualAssignmentsOffset:] { + handleIdx, handleFound := e.tblColPosInfos.FindHandle(assign.Col.Index) + if handleFound && e.canNotUpdate(newRowData[handleIdx]) { + continue + } + val, err := assign.Expr.Eval(e.evalBuffer.ToRow()) + if err = e.handleErr(assign.ColName, rowIdx, err); err != nil { + return nil, err + } + + // info of `_tidb_rowid` column is nil. + // No need to cast `_tidb_rowid` column value. + if cols[assign.Col.Index] != nil { + val, err = table.CastValue(e.ctx, val, cols[assign.Col.Index].ColumnInfo, false, false) + if err = e.handleErr(assign.ColName, rowIdx, err); err != nil { + return nil, err + } + } + val.Copy(&newRowData[assign.Col.Index]) e.evalBuffer.SetDatum(assign.Col.Index, val) } diff --git a/executor/update_test.go b/executor/update_test.go index b9a50d931f2e9..165bd00f3e011 100644 --- a/executor/update_test.go +++ b/executor/update_test.go @@ -235,6 +235,99 @@ func (s *testUpdateSuite) TestUpdateMultiDatabaseTable(c *C) { tk.MustExec("update t, test2.t set test.t.a=1") } +func (s *testUpdateSuite) TestUpdateSwapColumnValues(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1 (c_str varchar(40))") + tk.MustExec("create table t2 (c_str varchar(40))") + tk.MustExec("insert into t1 values ('Alice')") + tk.MustExec("insert into t2 values ('Bob')") + tk.MustQuery("select t1.c_str, t2.c_str from t1, t2 where t1.c_str <= t2.c_str").Check(testkit.Rows("Alice Bob")) + tk.MustExec("update t1, t2 set t1.c_str = t2.c_str, t2.c_str = t1.c_str where t1.c_str <= t2.c_str") + tk.MustQuery("select t1.c_str, t2.c_str from t1, t2 where t1.c_str <= t2.c_str").Check(testkit.Rows()) + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int, b int)") + tk.MustExec("insert into t values(1, 2)") + tk.MustQuery("select * from t").Check(testkit.Rows("1 2")) + tk.MustExec("update t set a=b, b=a") + tk.MustQuery("select * from t").Check(testkit.Rows("2 1")) + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int, b int)") + tk.MustExec("insert into t values (1,3)") + tk.MustQuery("select * from t").Check(testkit.Rows("1 3")) + tk.MustExec("update t set a=b, b=a") + tk.MustQuery("select * from t").Check(testkit.Rows("3 1")) + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int, b int, c int as (-a) virtual, d int as (-b) stored)") + tk.MustExec("insert into t(a, b) values (10, 11), (20, 22)") + tk.MustQuery("select * from t").Check(testkit.Rows("10 11 -10 -11", "20 22 -20 -22")) + tk.MustExec("update t set a=b, b=a") + tk.MustQuery("select * from t").Check(testkit.Rows("11 10 -11 -10", "22 20 -22 -20")) + tk.MustExec("update t set b=30, a=b") + tk.MustQuery("select * from t").Check(testkit.Rows("10 30 -10 -30", "20 30 -20 -30")) +} + +func (s *testUpdateSuite) TestMultiUpdateOnSameTable(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(x int, y int)") + tk.MustExec("insert into t values()") + tk.MustExec("update t t1, t t2 set t2.y=1, t1.x=2") + tk.MustQuery("select * from t").Check(testkit.Rows("2 1")) + tk.MustExec("update t t1, t t2 set t1.x=t2.y, t2.y=t1.x") + tk.MustQuery("select * from t").Check(testkit.Rows("1 2")) + + // Update generated columns + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(x int, y int, z int as (x+10) stored, w int as (y-10) virtual)") + tk.MustExec("insert into t(x, y) values(1, 2), (3, 4)") + tk.MustExec("update t t1, t t2 set t2.y=1, t1.x=2 where t1.x=1") + tk.MustQuery("select * from t").Check(testkit.Rows("2 1 12 -9", "3 1 13 -9")) + + tk.MustExec("update t t1, t t2 set t1.x=5, t2.y=t1.x where t1.x=3") + tk.MustQuery("select * from t").Check(testkit.Rows("2 3 12 -7", "5 3 15 -7")) + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int, b int, c int as (a+b) stored)") + tk.MustExec("insert into t(a, b) values (1, 2)") + tk.MustExec("update t t1, t t2 set t2.a=3") + tk.MustQuery("select * from t").Check(testkit.Rows("3 2 5")) + + tk.MustExec("update t t1, t t2 set t1.a=4, t2.b=5") + tk.MustQuery("select * from t").Check(testkit.Rows("4 5 9")) + + // Update primary keys + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int primary key)") + tk.MustExec("insert into t values (1), (2)") + tk.MustExec("update t set a=a+2") + tk.MustQuery("select * from t").Check(testkit.Rows("3", "4")) + tk.MustExec("update t m, t n set m.a = n.a+10 where m.a=n.a") + tk.MustQuery("select * from t").Check(testkit.Rows("13", "14")) + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int primary key, b int)") + tk.MustExec("insert into t values (1,3), (2,4)") + tk.MustGetErrMsg("update t m, t n set m.a = n.a+10, n.b = m.b+1 where m.a=n.a", + `[planner:1706]Primary key/partition key update is not allowed since the table is updated both as 'm' and 'n'.`) + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int, b int, c int, primary key(a, b))") + tk.MustExec("insert into t values (1,3,5), (2,4,6)") + tk.MustExec("update t m, t n set m.a = n.a+10, m.b = n.b+10 where m.a=n.a") + tk.MustQuery("select * from t").Check(testkit.Rows("11 13 5", "12 14 6")) + tk.MustExec("update t m, t n, t q set q.c=m.a+n.b, n.c = m.a+1, m.c = n.b+1 where m.b=n.b AND m.a=q.a") + tk.MustQuery("select * from t").Check(testkit.Rows("11 13 24", "12 14 26")) + tk.MustGetErrMsg("update t m, t n, t q set m.a = m.a+1, n.c = n.c-1, q.c = q.a+q.b where m.b=n.b and n.b=q.b", + `[planner:1706]Primary key/partition key update is not allowed since the table is updated both as 'm' and 'n'.`) +} + var _ = SerialSuites(&testSuite11{&baseTestSuite{}}) type testSuite11 struct { diff --git a/executor/write_test.go b/executor/write_test.go index 103c4ecc14de3..bd50ea262fdea 100644 --- a/executor/write_test.go +++ b/executor/write_test.go @@ -1435,7 +1435,7 @@ func (s *testSuite8) TestUpdate(c *C) { tk.MustQuery("select * from t").Check(testkit.Rows("1 2000-10-01 01:01:01 2017-01-01 10:10:10")) tk.MustExec("update t set t1 = '2017-10-01 10:10:11', t2 = date_add(t1, INTERVAL 10 MINUTE) where id = 1") tk.CheckLastMessage("Rows matched: 1 Changed: 1 Warnings: 0") - tk.MustQuery("select * from t").Check(testkit.Rows("1 2017-10-01 10:10:11 2017-10-01 10:20:11")) + tk.MustQuery("select * from t").Check(testkit.Rows("1 2017-10-01 10:10:11 2000-10-01 01:11:01")) // for issue #5132 tk.MustExec("CREATE TABLE `tt1` (" + diff --git a/planner/core/common_plans.go b/planner/core/common_plans.go index 224933520ecd1..2aec7a33dba32 100644 --- a/planner/core/common_plans.go +++ b/planner/core/common_plans.go @@ -735,6 +735,8 @@ type Update struct { AllAssignmentsAreConstant bool + VirtualAssignmentsOffset int + SelectPlan PhysicalPlan TblColPosInfos TblColPosInfoSlice diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index b3276b01989a8..2fb86100d7419 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1907,7 +1907,7 @@ func (s *testIntegrationSuite) TestIssue10448(c *C) { tk.MustQuery("select a from (select pk as a from t) t1 where a = 18446744073709551615").Check(testkit.Rows()) } -func (s *testIntegrationSuite) TestUpdateMultiUpdatePK(c *C) { +func (s *testIntegrationSuite) TestMultiUpdateOnPrimaryKey(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") @@ -1938,8 +1938,19 @@ func (s *testIntegrationSuite) TestUpdateMultiUpdatePK(c *C) { tk.MustExec(`UPDATE t m, t n SET m.b = m.b + 10, n.b = n.b + 10`) tk.MustQuery("SELECT * FROM t").Check(testkit.Rows("1 12")) - tk.MustExec(`UPDATE t m, t n SET m.a = m.a + 1, n.b = n.b + 10`) - tk.MustQuery("SELECT * FROM t").Check(testkit.Rows("2 12")) + tk.MustGetErrMsg(`UPDATE t m, t n SET m.a = m.a + 1, n.b = n.b + 10`, + `[planner:1706]Primary key/partition key update is not allowed since the table is updated both as 'm' and 'n'.`) + tk.MustGetErrMsg(`UPDATE t m, t n, t q SET m.a = m.a + 1, n.b = n.b + 10, q.b = q.b - 10`, + `[planner:1706]Primary key/partition key update is not allowed since the table is updated both as 'm' and 'n'.`) + tk.MustGetErrMsg(`UPDATE t m, t n, t q SET m.b = m.b + 1, n.a = n.a + 10, q.b = q.b - 10`, + `[planner:1706]Primary key/partition key update is not allowed since the table is updated both as 'm' and 'n'.`) + tk.MustGetErrMsg(`UPDATE t m, t n, t q SET m.b = m.b + 1, n.b = n.b + 10, q.a = q.a - 10`, + `[planner:1706]Primary key/partition key update is not allowed since the table is updated both as 'm' and 'q'.`) + tk.MustGetErrMsg(`UPDATE t q, t n, t m SET m.b = m.b + 1, n.b = n.b + 10, q.a = q.a - 10`, + `[planner:1706]Primary key/partition key update is not allowed since the table is updated both as 'q' and 'n'.`) + + tk.MustExec("update t m, t n set m.a = n.a+10 where m.a=n.a") + tk.MustQuery("select * from t").Check(testkit.Rows("11 12")) } func (s *testIntegrationSuite) TestUpdateSetDefault(c *C) { diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index a67fe8c65e62b..8f01fcdc34f8c 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -3799,6 +3799,7 @@ func (b *PlanBuilder) buildUpdate(ctx context.Context, update *ast.UpdateStmt) ( updt := Update{ OrderedList: orderedList, AllAssignmentsAreConstant: allAssignmentsAreConstant, + VirtualAssignmentsOffset: len(update.List), }.Init(b.ctx) updt.names = p.OutputNames() // We cannot apply projection elimination when building the subplan, because @@ -3840,34 +3841,45 @@ func GetUpdateColumns(ctx sessionctx.Context, orderedList []*expression.Assignme return assignFlag, nil } +type tblUpdateInfo struct { + name string + pkUpdated bool +} + func checkUpdateList(ctx sessionctx.Context, tblID2table map[int64]table.Table, updt *Update) error { assignFlags, err := GetUpdateColumns(ctx, updt.OrderedList, updt.SelectPlan.Schema().Len()) if err != nil { return err } - isPKUpdated := make(map[int64]model.CIStr) + updateFromOtherAlias := make(map[int64]tblUpdateInfo) for _, content := range updt.TblColPosInfos { tbl := tblID2table[content.TblID] flags := assignFlags[content.Start:content.End] - var updatePK bool + var update, updatePK bool for i, col := range tbl.WritableCols() { if flags[i] && col.State != model.StatePublic { return ErrUnknownColumn.GenWithStackByArgs(col.Name, clauseMsg[fieldList]) } - // Check for multi-updates on primary key, - // see https://dev.mysql.com/doc/mysql-errors/5.7/en/server-error-reference.html#error_er_multi_update_key_conflict - if !flags[i] { - continue - } - if col.IsPKHandleColumn(tbl.Meta()) || col.IsCommonHandleColumn(tbl.Meta()) { - updatePK = true + if flags[i] { + update = true + if mysql.HasPriKeyFlag(col.Flag) { + updatePK = true + } } } - if updatePK { - if otherTblName, ok := isPKUpdated[tbl.Meta().ID]; ok { - return ErrMultiUpdateKeyConflict.GenWithStackByArgs(otherTblName.O, updt.names[content.Start].TblName.O) + if update { + // Check for multi-updates on primary key, + // see https://dev.mysql.com/doc/mysql-errors/5.7/en/server-error-reference.html#error_er_multi_update_key_conflict + if otherTable, ok := updateFromOtherAlias[tbl.Meta().ID]; ok { + if otherTable.pkUpdated || updatePK { + return ErrMultiUpdateKeyConflict.GenWithStackByArgs(otherTable.name, updt.names[content.Start].TblName.O) + } + } else { + updateFromOtherAlias[tbl.Meta().ID] = tblUpdateInfo{ + name: updt.names[content.Start].TblName.O, + pkUpdated: updatePK, + } } - isPKUpdated[tbl.Meta().ID] = updt.names[content.Start].TblName } } return nil @@ -3954,6 +3966,7 @@ func (b *PlanBuilder) buildUpdateLists( } allAssignments := append(list, virtualAssignments...) + dependentColumnsModified := make(map[int64]bool) for i, assign := range allAssignments { var idx int var err error @@ -3979,6 +3992,10 @@ func (b *PlanBuilder) buildUpdateLists( expr.Name = assign.Column } newExpr, np, err = b.rewrite(ctx, assign.Expr, p, nil, false) + if err != nil { + return nil, nil, false, err + } + dependentColumnsModified[col.UniqueID] = true } else { // rewrite with generation expression rewritePreprocess := func(expr ast.Node) ast.Node { @@ -3994,9 +4011,22 @@ func (b *PlanBuilder) buildUpdateLists( } } newExpr, np, err = b.rewriteWithPreprocess(ctx, assign.Expr, p, nil, nil, false, rewritePreprocess) - } - if err != nil { - return nil, nil, false, err + if err != nil { + return nil, nil, false, err + } + // check if the column is modified + dependentColumns := expression.ExtractDependentColumns(newExpr) + var isModified bool + for _, col := range dependentColumns { + if dependentColumnsModified[col.UniqueID] { + isModified = true + break + } + } + // skip unmodified generated columns + if !isModified { + continue + } } if _, isConst := newExpr.(*expression.Constant); !isConst { allAssignmentsAreConstant = false diff --git a/planner/core/point_get_plan.go b/planner/core/point_get_plan.go index c62d1181e1ab2..95fef18b04d59 100644 --- a/planner/core/point_get_plan.go +++ b/planner/core/point_get_plan.go @@ -35,7 +35,7 @@ import ( "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/table/tables" "github.com/pingcap/tidb/types" - "github.com/pingcap/tidb/types/parser_driver" + driver "github.com/pingcap/tidb/types/parser_driver" "github.com/pingcap/tidb/util/math" "github.com/pingcap/tidb/util/plancodec" "github.com/pingcap/tidb/util/stringutil" @@ -1193,6 +1193,7 @@ func buildPointUpdatePlan(ctx sessionctx.Context, pointPlan PhysicalPlan, dbName }, }, AllAssignmentsAreConstant: allAssignmentsAreConstant, + VirtualAssignmentsOffset: len(orderedList), }.Init(ctx) updatePlan.names = pointPlan.OutputNames() return updatePlan diff --git a/planner/core/testdata/plan_suite_in.json b/planner/core/testdata/plan_suite_in.json index c7ef95cc9402b..957b7c1b3c1bf 100644 --- a/planner/core/testdata/plan_suite_in.json +++ b/planner/core/testdata/plan_suite_in.json @@ -250,8 +250,8 @@ // Test join hint for delete and update "delete /*+ TIDB_INLJ(t1, t2) */ t1 from t t1, t t2 where t1.c=t2.c", "delete /*+ TIDB_SMJ(t1, t2) */ from t1 using t t1, t t2 where t1.c=t2.c", - "update /*+ TIDB_SMJ(t1, t2) */ t t1, t t2 set t1.c=1, t2.a=1 where t1.a=t2.a", - "update /*+ TIDB_HJ(t1, t2) */ t t1, t t2 set t1.c=1, t2.a=1 where t1.a=t2.a", + "update /*+ TIDB_SMJ(t1, t2) */ t t1, t t2 set t1.c=1, t2.c=1 where t1.a=t2.a", + "update /*+ TIDB_HJ(t1, t2) */ t t1, t t2 set t1.c=1, t2.c=1 where t1.a=t2.a", // Test complex delete. "delete from t where b < 1 order by d limit 1", // Test simple delete. diff --git a/planner/core/testdata/plan_suite_out.json b/planner/core/testdata/plan_suite_out.json index 825cbbfc774d4..4a9173d53ac60 100644 --- a/planner/core/testdata/plan_suite_out.json +++ b/planner/core/testdata/plan_suite_out.json @@ -685,12 +685,12 @@ "Hints": "use_index(@`del_1` `test`.`t1` `c_d_e`), use_index(@`del_1` `test`.`t2` `c_d_e`), merge_join(@`del_1` `test`.`t1`)" }, { - "SQL": "update /*+ TIDB_SMJ(t1, t2) */ t t1, t t2 set t1.c=1, t2.a=1 where t1.a=t2.a", + "SQL": "update /*+ TIDB_SMJ(t1, t2) */ t t1, t t2 set t1.c=1, t2.c=1 where t1.a=t2.a", "Best": "MergeInnerJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)->Update", "Hints": "use_index(@`upd_1` `test`.`t1` ), use_index(@`upd_1` `test`.`t2` ), merge_join(@`upd_1` `test`.`t1`)" }, { - "SQL": "update /*+ TIDB_HJ(t1, t2) */ t t1, t t2 set t1.c=1, t2.a=1 where t1.a=t2.a", + "SQL": "update /*+ TIDB_HJ(t1, t2) */ t t1, t t2 set t1.c=1, t2.c=1 where t1.a=t2.a", "Best": "LeftHashJoin{TableReader(Table(t))->TableReader(Table(t))}(test.t.a,test.t.a)->Update", "Hints": "use_index(@`upd_1` `test`.`t1` ), use_index(@`upd_1` `test`.`t2` ), hash_join(@`upd_1` `test`.`t1`)" }, From b9c5aaf55290cfbb732084f03324864ba96ac78c Mon Sep 17 00:00:00 2001 From: Null not nil <67764674+nullnotnil@users.noreply.github.com> Date: Thu, 10 Dec 2020 01:01:51 -0700 Subject: [PATCH 0438/1021] planner: error by default for GROUP BY expr ASC|DESC (#21120) --- expression/integration_test.go | 27 +++++++++++++++++---------- planner/core/preprocess.go | 12 ++++++++++++ 2 files changed, 29 insertions(+), 10 deletions(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index 8d3ecf0891ded..5842396d885cc 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7553,21 +7553,28 @@ func (s *testIntegrationSerialSuite) TestIssue19116(c *C) { tk.MustQuery("select coercibility(1=1);").Check(testkit.Rows("5")) } -func (s *testIntegrationSerialSuite) TestIssue14448and19383(c *C) { +// issues 14448, 19383, 17734 +func (s *testIntegrationSerialSuite) TestNoopFunctions(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") tk.MustExec("DROP TABLE IF EXISTS t1") tk.MustExec("CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY)") tk.MustExec("INSERT INTO t1 VALUES (1),(2),(3)") - _, err := tk.Exec("SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 1") - message := `function SQL_CALC_FOUND_ROWS has only noop implementation in tidb now, use tidb_enable_noop_functions to enable these functions` - c.Assert(strings.Contains(err.Error(), message), IsTrue) - _, err = tk.Exec("SELECT * FROM t1 LOCK IN SHARE MODE") - message = `function LOCK IN SHARE MODE has only noop implementation in tidb now, use tidb_enable_noop_functions to enable these functions` - c.Assert(strings.Contains(err.Error(), message), IsTrue) - tk.MustExec("SET tidb_enable_noop_functions=1") - tk.MustExec("SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 1") - tk.MustExec("SELECT * FROM t1 LOCK IN SHARE MODE") + + message := `.* has only noop implementation in tidb now, use tidb_enable_noop_functions to enable these functions` + stmts := []string{ + "SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 1", + "SELECT * FROM t1 LOCK IN SHARE MODE", + "SELECT * FROM t1 GROUP BY a DESC", + "SELECT * FROM t1 GROUP BY a ASC", + } + for _, stmt := range stmts { + tk.MustExec("SET tidb_enable_noop_functions=1") + tk.MustExec(stmt) + tk.MustExec("SET tidb_enable_noop_functions=0") + _, err := tk.Exec(stmt) + c.Assert(err.Error(), Matches, message) + } } func (s *testIntegrationSerialSuite) TestIssue19315(c *C) { diff --git a/planner/core/preprocess.go b/planner/core/preprocess.go index 99844a1c27fdc..70e2ba75c5cb3 100644 --- a/planner/core/preprocess.go +++ b/planner/core/preprocess.go @@ -205,6 +205,8 @@ func (p *preprocessor) Enter(in ast.Node) (out ast.Node, skipChildren bool) { } case *ast.CreateStatisticsStmt, *ast.DropStatisticsStmt: p.checkStatisticsOpGrammar(in) + case *ast.GroupByClause: + p.checkGroupBy(node) default: p.flag &= ^parentIsJoin } @@ -706,6 +708,16 @@ func (p *preprocessor) checkCreateIndexGrammar(stmt *ast.CreateIndexStmt) { p.err = checkIndexInfo(stmt.IndexName, stmt.IndexPartSpecifications) } +func (p *preprocessor) checkGroupBy(stmt *ast.GroupByClause) { + enableNoopFuncs := p.ctx.GetSessionVars().EnableNoopFuncs + for _, item := range stmt.Items { + if !item.NullOrder && !enableNoopFuncs { + p.err = expression.ErrFunctionsNoopImpl.GenWithStackByArgs("GROUP BY expr ASC|DESC") + return + } + } +} + func (p *preprocessor) checkStatisticsOpGrammar(node ast.Node) { var statsName string switch stmt := node.(type) { From 21bf3b62022957c13386fee3800e544eb8502894 Mon Sep 17 00:00:00 2001 From: Arenatlx Date: Thu, 10 Dec 2020 16:26:00 +0800 Subject: [PATCH 0439/1021] ddl: add a switch for multi schema change & make it compatible with old test cases (#21533) --- ddl/ddl_api.go | 3 +++ session/bootstrap.go | 7 +++++++ session/session.go | 1 + sessionctx/variable/session.go | 6 ++++++ sessionctx/variable/sysvar.go | 1 + sessionctx/variable/tidb_vars.go | 4 ++++ 6 files changed, 22 insertions(+) diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 6135f9c8c204d..7d936842a1d82 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -2315,6 +2315,9 @@ func (d *ddl) AlterTable(ctx sessionctx.Context, ident ast.Ident, specs []*ast.A } if len(validSpecs) > 1 { + if !ctx.GetSessionVars().EnableChangeMultiSchema { + return errRunMultiSchemaChanges + } if isSameTypeMultiSpecs(validSpecs) { switch validSpecs[0].Tp { case ast.AlterTableAddColumns: diff --git a/session/bootstrap.go b/session/bootstrap.go index e0abf419351be..3722aaf668994 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -1335,6 +1335,13 @@ func doDMLWorks(s Session) { vVal = string(variable.DynamicOnly) } } + if v.Name == variable.TiDBEnableChangeMultiSchema { + vVal = variable.BoolOff + if flag.Lookup("test.v") != nil || flag.Lookup("check.v") != nil { + // enable change multi schema in test case for compatibility with old cases. + vVal = variable.BoolOn + } + } value := fmt.Sprintf(`("%s", "%s")`, strings.ToLower(k), vVal) values = append(values, value) } diff --git a/session/session.go b/session/session.go index 82c872759f6cb..34072792a2d1b 100644 --- a/session/session.go +++ b/session/session.go @@ -2283,6 +2283,7 @@ var builtinGlobalVariable = []string{ variable.TiDBEnableTelemetry, variable.TiDBShardAllocateStep, variable.TiDBEnableChangeColumnType, + variable.TiDBEnableChangeMultiSchema, variable.TiDBEnableAmendPessimisticTxn, variable.TiDBMemoryUsageAlarmRatio, variable.TiDBEnableRateLimitAction, diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 32ef90dbbd8e8..66bf237403f8d 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -572,6 +572,9 @@ type SessionVars struct { // EnableChangeColumnType is used to control whether to enable the change column type. EnableChangeColumnType bool + // EnableChangeMultiSchema is used to control whether to enable the multi schema change. + EnableChangeMultiSchema bool + // WaitSplitRegionFinish defines the split region behaviour is sync or async. WaitSplitRegionFinish bool @@ -907,6 +910,7 @@ func NewSessionVars() *SessionVars { EnableParallelApply: DefTiDBEnableParallelApply, ShardAllocateStep: DefTiDBShardAllocateStep, EnableChangeColumnType: DefTiDBChangeColumnType, + EnableChangeMultiSchema: DefTiDBChangeMultiSchema, EnableAmendPessimisticTxn: DefTiDBEnableAmendPessimisticTxn, PartitionPruneMode: *atomic2.NewString(DefTiDBPartitionPruneMode), TxnScope: config.GetGlobalConfig().TxnScope, @@ -1617,6 +1621,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.ShardAllocateStep = tidbOptInt64(val, DefTiDBShardAllocateStep) case TiDBEnableChangeColumnType: s.EnableChangeColumnType = TiDBOptOn(val) + case TiDBEnableChangeMultiSchema: + s.EnableChangeMultiSchema = TiDBOptOn(val) case TiDBEnableAmendPessimisticTxn: s.EnableAmendPessimisticTxn = TiDBOptOn(val) case TiDBTxnScope: diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index a91c9a8ec36bc..ace7948bb86c8 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1046,6 +1046,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TiDBDDLReorgPriority, Value: "PRIORITY_LOW"}, {Scope: ScopeGlobal, Name: TiDBMaxDeltaSchemaCount, Value: strconv.Itoa(DefTiDBMaxDeltaSchemaCount), Type: TypeUnsigned, MinValue: 100, MaxValue: 16384, AutoConvertOutOfRange: true}, {Scope: ScopeGlobal, Name: TiDBEnableChangeColumnType, Value: BoolToOnOff(DefTiDBChangeColumnType), Type: TypeBool}, + {Scope: ScopeGlobal, Name: TiDBEnableChangeMultiSchema, Value: BoolToOnOff(DefTiDBChangeMultiSchema), Type: TypeBool}, {Scope: ScopeSession, Name: TiDBForcePriority, Value: mysql.Priority2Str[DefTiDBForcePriority]}, {Scope: ScopeSession, Name: TiDBEnableRadixJoin, Value: BoolToOnOff(DefTiDBUseRadixJoin), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptJoinReorderThreshold, Value: strconv.Itoa(DefTiDBOptJoinReorderThreshold), Type: TypeUnsigned, MinValue: 0, MaxValue: 63}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index a3366874fa35f..eca34f02f22ae 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -351,6 +351,9 @@ const ( // TiDBEnableChangeColumnType is used to control whether to enable the change column type. TiDBEnableChangeColumnType = "tidb_enable_change_column_type" + // TiDBEnableChangeMultiSchema is used to control whether to enable the change multi schema. + TiDBEnableChangeMultiSchema = "tidb_enable_change_multi_schema" + // tidb_max_delta_schema_count defines the max length of deltaSchemaInfos. // deltaSchemaInfos is a queue that maintains the history of schema changes. TiDBMaxDeltaSchemaCount = "tidb_max_delta_schema_count" @@ -560,6 +563,7 @@ const ( DefTiDBDDLErrorCountLimit = 512 DefTiDBMaxDeltaSchemaCount = 1024 DefTiDBChangeColumnType = false + DefTiDBChangeMultiSchema = false DefTiDBHashAggPartialConcurrency = ConcurrencyUnset DefTiDBHashAggFinalConcurrency = ConcurrencyUnset DefTiDBWindowConcurrency = ConcurrencyUnset From 0e76bd3f0462f2fb9d877e220c44cdc14a8a907c Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Thu, 10 Dec 2020 16:47:21 +0800 Subject: [PATCH 0440/1021] table: fix create columns partition table failed when contain SQL key word (#21588) --- table/tables/partition.go | 8 ++++---- table/tables/partition_test.go | 11 +++++++++++ 2 files changed, 15 insertions(+), 4 deletions(-) diff --git a/table/tables/partition.go b/table/tables/partition.go index 323277e7960c6..b4a318d154d50 100644 --- a/table/tables/partition.go +++ b/table/tables/partition.go @@ -269,7 +269,7 @@ func rangePartitionString(pi *model.PartitionInfo) string { // partition by range columns (c1) if len(pi.Columns) == 1 { - return pi.Columns[0].L + return "`" + pi.Columns[0].L + "`" } // partition by range columns (c1, c2, ...) @@ -308,7 +308,7 @@ func generateRangePartitionExpr(ctx sessionctx.Context, pi *model.PartitionInfo, // build column offset. partExp := pi.Expr if len(pi.Columns) == 1 { - partExp = pi.Columns[0].L + partExp = "`" + pi.Columns[0].L + "`" } exprs, err := parseSimpleExprWithNames(p, ctx, partExp, schema, names) if err != nil { @@ -451,7 +451,7 @@ func generateListColumnsPartitionExprStr(ctx sessionctx.Context, pi *model.Parti if len(pi.Columns) == 0 { partStr = pi.Expr } else if len(pi.Columns) == 1 { - partStr = pi.Columns[0].L + partStr = "`" + pi.Columns[0].L + "`" } else { return generateMultiListColumnsPartitionExprStr(ctx, pi, schema, names, def, p) } @@ -501,7 +501,7 @@ func generateMultiListColumnsPartitionExprStr(ctx sessionctx.Context, pi *model. if i > 0 { partStr += "," } - partStr += col.L + partStr += "`" + col.L + "`" } fmt.Fprintf(&buf, "((%s) in (", partStr) for i, vs := range def.InValues { diff --git a/table/tables/partition_test.go b/table/tables/partition_test.go index 72b880736a961..4961a95d49264 100644 --- a/table/tables/partition_test.go +++ b/table/tables/partition_test.go @@ -518,3 +518,14 @@ func (ts *testSuite) TestHashPartitionInsertValue(c *C) { result := tk.MustQuery("SELECT * FROM t4 WHERE a = 1") result.Check(testkit.Rows("\x01 1")) } + +func (ts *testSuite) TestIssue21574(c *C) { + tk := testkit.NewTestKitWithInit(c, ts.store) + tk.MustExec("use test") + tk.MustExec("drop tables if exists t_21574") + tk.MustExec("create table t_21574 (`key` int, `table` int) partition by range columns (`key`) (partition p0 values less than (10));") + tk.MustExec("drop table t_21574") + tk.MustExec("create table t_21574 (`key` int, `table` int) partition by list columns (`key`) (partition p0 values in (10));") + tk.MustExec("drop table t_21574") + tk.MustExec("create table t_21574 (`key` int, `table` int) partition by list columns (`key`,`table`) (partition p0 values in ((1,1)));") +} From b4eee287af14a8a68dc849a10e1ab9753237b538 Mon Sep 17 00:00:00 2001 From: Yiding Cui Date: Thu, 10 Dec 2020 17:05:39 +0800 Subject: [PATCH 0441/1021] *: extract topn out of histogram correctly (#21007) Co-authored-by: Yuanjia Zhang --- executor/analyze.go | 92 ++++++++++------ executor/analyze_test.go | 68 +++++++++++- executor/builder.go | 6 ++ go.mod | 2 +- go.sum | 4 +- statistics/cmsketch.go | 101 +++++++++++++++--- statistics/feedback.go | 15 +++ statistics/handle/dump.go | 24 +++-- statistics/handle/dump_test.go | 2 +- statistics/handle/handle.go | 4 +- statistics/handle/statscache_test.go | 17 ++- statistics/handle/update.go | 14 ++- statistics/handle/update_test.go | 6 +- statistics/histogram.go | 67 +++++++++++- statistics/sample.go | 4 +- statistics/table.go | 2 +- store/mockstore/mocktikv/analyze.go | 2 +- .../mockstore/unistore/cophandler/analyze.go | 56 +++++++++- 18 files changed, 397 insertions(+), 89 deletions(-) diff --git a/executor/analyze.go b/executor/analyze.go index 89ad104574dbb..ece7a77ec26b6 100644 --- a/executor/analyze.go +++ b/executor/analyze.go @@ -112,7 +112,7 @@ func (e *AnalyzeExec) Next(ctx context.Context, req *chunk.Chunk) error { continue } for i, hg := range result.Hist { - err1 := statsHandle.SaveStatsToStorage(result.TableID.PersistID, result.Count, result.IsIndex, hg, result.Cms[i], result.TopNs[i], 1) + err1 := statsHandle.SaveStatsToStorage(result.TableID.PersistID, result.Count, result.IsIndex, hg, result.Cms[i], result.TopNs[i], result.StatsVer, 1) if err1 != nil { err = err1 logutil.Logger(ctx).Error("save stats to storage failed", zap.Error(err)) @@ -233,18 +233,26 @@ func analyzeIndexPushdown(idxExec *AnalyzeIndexExec) analyzeResult { if err != nil { return analyzeResult{Err: err, job: idxExec.job} } + var statsVer = statistics.Version1 + if idxExec.analyzePB.IdxReq.Version != nil { + statsVer = int(*idxExec.analyzePB.IdxReq.Version) + } result := analyzeResult{ - TableID: idxExec.tableID, - Hist: []*statistics.Histogram{hist}, - Cms: []*statistics.CMSketch{cms}, - TopNs: []*statistics.TopN{topN}, - IsIndex: 1, - job: idxExec.job, + TableID: idxExec.tableID, + Hist: []*statistics.Histogram{hist}, + Cms: []*statistics.CMSketch{cms}, + TopNs: []*statistics.TopN{topN}, + IsIndex: 1, + job: idxExec.job, + StatsVer: statsVer, } result.Count = hist.NullCount if hist.Len() > 0 { result.Count += hist.Buckets[hist.Len()-1].Count } + if topN.TotalCount() > 0 { + result.Count += int64(topN.TotalCount()) + } return result } @@ -320,8 +328,10 @@ func (e *AnalyzeIndexExec) buildStatsFromResult(result distsql.SelectResult, nee }) hist := &statistics.Histogram{} var cms *statistics.CMSketch + var topn *statistics.TopN if needCMS { cms = statistics.NewCMSketch(int32(e.opts[ast.AnalyzeOptCMSketchDepth]), int32(e.opts[ast.AnalyzeOptCMSketchWidth])) + topn = statistics.NewTopN(int(e.opts[ast.AnalyzeOptNumTopN])) } for { data, err := result.NextRaw(context.TODO()) @@ -346,19 +356,21 @@ func (e *AnalyzeIndexExec) buildStatsFromResult(result distsql.SelectResult, nee if resp.Cms == nil { logutil.Logger(context.TODO()).Warn("nil CMS in response", zap.String("table", e.idxInfo.Table.O), zap.String("index", e.idxInfo.Name.O)) } else { - cm, _ := statistics.CMSketchAndTopNFromProto(resp.Cms) + cm, tmpTopN := statistics.CMSketchAndTopNFromProto(resp.Cms) if err := cms.MergeCMSketch(cm); err != nil { return nil, nil, nil, err } + statistics.MergeTopN(topn, tmpTopN, cms, uint32(e.opts[ast.AnalyzeOptNumTopN]), false) } } } - topN := statistics.NewTopN(int(e.opts[ast.AnalyzeOptNumTopN])) - err := hist.ExtractTopN(cms, topN, len(e.idxInfo.Columns), uint32(e.opts[ast.AnalyzeOptNumTopN])) + if needCMS && topn.TotalCount() > 0 { + hist.RemoveIdxVals(topn.TopN) + } if needCMS && cms != nil { cms.CalcDefaultValForAnalyze(uint64(hist.NDV)) } - return hist, cms, topN, err + return hist, cms, topn, nil } func (e *AnalyzeIndexExec) buildStats(ranges []*ranger.Range, considerNull bool) (hist *statistics.Histogram, cms *statistics.CMSketch, topN *statistics.TopN, err error) { @@ -410,6 +422,7 @@ func analyzeColumnsPushdown(colExec *AnalyzeColumnsExec) analyzeResult { TopNs: topNs, ExtStats: extStats, job: colExec.job, + StatsVer: colExec.ctx.GetSessionVars().AnalyzeVersion, } hist := hists[0] result.Count = hist.NullCount @@ -609,13 +622,14 @@ func analyzeFastExec(exec *AnalyzeFastExec) []analyzeResult { if len(exec.idxsInfo) > 0 { for i := pkColCount + len(exec.colsInfo); i < len(hists); i++ { idxResult := analyzeResult{ - TableID: exec.tableID, - Hist: []*statistics.Histogram{hists[i]}, - Cms: []*statistics.CMSketch{cms[i]}, - TopNs: []*statistics.TopN{topNs[i]}, - IsIndex: 1, - Count: hists[i].NullCount, - job: exec.job, + TableID: exec.tableID, + Hist: []*statistics.Histogram{hists[i]}, + Cms: []*statistics.CMSketch{cms[i]}, + TopNs: []*statistics.TopN{topNs[i]}, + IsIndex: 1, + Count: hists[i].NullCount, + job: exec.job, + StatsVer: statistics.Version1, } if hists[i].Len() > 0 { idxResult.Count += hists[i].Buckets[hists[i].Len()-1].Count @@ -628,12 +642,13 @@ func analyzeFastExec(exec *AnalyzeFastExec) []analyzeResult { } hist := hists[0] colResult := analyzeResult{ - TableID: exec.tableID, - Hist: hists[:pkColCount+len(exec.colsInfo)], - Cms: cms[:pkColCount+len(exec.colsInfo)], - TopNs: topNs[:pkColCount+len(exec.colsInfo)], - Count: hist.NullCount, - job: exec.job, + TableID: exec.tableID, + Hist: hists[:pkColCount+len(exec.colsInfo)], + Cms: cms[:pkColCount+len(exec.colsInfo)], + TopNs: topNs[:pkColCount+len(exec.colsInfo)], + Count: hist.NullCount, + job: exec.job, + StatsVer: statistics.Version1, } if hist.Len() > 0 { colResult.Count += hist.Buckets[hist.Len()-1].Count @@ -1208,13 +1223,18 @@ func analyzeIndexIncremental(idxExec *analyzeIndexIncrementalExec) analyzeResult } cms.CalcDefaultValForAnalyze(uint64(hist.NDV)) } + var statsVer = statistics.Version1 + if idxExec.analyzePB.IdxReq.Version != nil { + statsVer = int(*idxExec.analyzePB.IdxReq.Version) + } result := analyzeResult{ - TableID: idxExec.tableID, - Hist: []*statistics.Histogram{hist}, - Cms: []*statistics.CMSketch{cms}, - TopNs: []*statistics.TopN{topN}, - IsIndex: 1, - job: idxExec.job, + TableID: idxExec.tableID, + Hist: []*statistics.Histogram{hist}, + Cms: []*statistics.CMSketch{cms}, + TopNs: []*statistics.TopN{topN}, + IsIndex: 1, + job: idxExec.job, + StatsVer: statsVer, } result.Count = hist.NullCount if hist.Len() > 0 { @@ -1248,11 +1268,12 @@ func analyzePKIncremental(colExec *analyzePKIncrementalExec) analyzeResult { return analyzeResult{Err: err, job: colExec.job} } result := analyzeResult{ - TableID: colExec.tableID, - Hist: []*statistics.Histogram{hist}, - Cms: []*statistics.CMSketch{nil}, - TopNs: []*statistics.TopN{nil}, - job: colExec.job, + TableID: colExec.tableID, + Hist: []*statistics.Histogram{hist}, + Cms: []*statistics.CMSketch{nil}, + TopNs: []*statistics.TopN{nil}, + job: colExec.job, + StatsVer: statistics.Version1, } if hist.Len() > 0 { result.Count += hist.Buckets[hist.Len()-1].Count @@ -1271,4 +1292,5 @@ type analyzeResult struct { IsIndex int Err error job *statistics.AnalyzeJob + StatsVer int } diff --git a/executor/analyze_test.go b/executor/analyze_test.go index 604e961a695af..b594bf7b72fa1 100644 --- a/executor/analyze_test.go +++ b/executor/analyze_test.go @@ -235,6 +235,58 @@ func (s *testSuite1) TestAnalyzeTooLongColumns(c *C) { c.Assert(tbl.Columns[1].TotColSize, Equals, int64(65559)) } +func (s *testSuite1) TestAnalyzeIndexExtractTopN(c *C) { + store, err := mockstore.NewMockStore() + c.Assert(err, IsNil) + defer store.Close() + var dom *domain.Domain + session.DisableStats4Test() + session.SetSchemaLease(0) + dom, err = session.BootstrapSession(store) + c.Assert(err, IsNil) + defer dom.Close() + tk := testkit.NewTestKit(c, store) + + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int, b int, index idx(a, b))") + tk.MustExec("insert into t values(1, 1), (1, 1), (1, 2), (1, 2)") + tk.MustExec("set @@session.tidb_analyze_version=2") + tk.MustExec("analyze table t with 10 cmsketch width") + + is := infoschema.GetInfoSchema(tk.Se.(sessionctx.Context)) + table, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) + c.Assert(err, IsNil) + tableInfo := table.Meta() + tbl := dom.StatsHandle().GetTableStats(tableInfo) + + // Construct TopN, should be (1, 1) -> 2 and (1, 2) -> 2 + cms := statistics.NewCMSketch(5, 10) + topn := statistics.NewTopN(2) + { + key1, err := codec.EncodeKey(tk.Se.GetSessionVars().StmtCtx, nil, types.NewIntDatum(1), types.NewIntDatum(1)) + c.Assert(err, IsNil) + topn.AppendTopN(key1, 2) + key2, err := codec.EncodeKey(tk.Se.GetSessionVars().StmtCtx, nil, types.NewIntDatum(1), types.NewIntDatum(2)) + c.Assert(err, IsNil) + topn.AppendTopN(key2, 2) + prefixKey, err := codec.EncodeKey(tk.Se.GetSessionVars().StmtCtx, nil, types.NewIntDatum(1)) + c.Assert(err, IsNil) + cms.InsertBytes(prefixKey) + cms.InsertBytes(prefixKey) + cms.InsertBytes(prefixKey) + cms.InsertBytes(prefixKey) + cms.CalcDefaultValForAnalyze(2) + } + for _, idx := range tbl.Indices { + ok, err := checkHistogram(tk.Se.GetSessionVars().StmtCtx, &idx.Histogram) + c.Assert(err, IsNil) + c.Assert(ok, IsTrue) + c.Assert(idx.CMSketch.Equal(cms), IsTrue) + c.Assert(idx.TopN.Equal(topn), IsTrue) + } +} + func (s *testFastAnalyze) TestAnalyzeFastSample(c *C) { var cls cluster.Cluster store, err := mockstore.NewMockStore( @@ -621,6 +673,7 @@ func (s *testSuite1) TestExtractTopN(c *C) { tk.MustExec("use test") tk.MustExec("drop table if exists t") tk.MustExec("create table t(a int primary key, b int, index index_b(b))") + tk.MustExec("set @@session.tidb_analyze_version=2") for i := 0; i < 10; i++ { tk.MustExec(fmt.Sprintf("insert into t values (%d, %d)", i, i)) } @@ -638,11 +691,22 @@ func (s *testSuite1) TestExtractTopN(c *C) { item := colStats.TopN.TopN[0] c.Assert(item.Count, Equals, uint64(11)) idxStats := tblStats.Indices[tblInfo.Indices[0].ID] - c.Assert(len(idxStats.TopN.TopN), Equals, 1) + c.Assert(len(idxStats.TopN.TopN), Equals, 10) idxItem := idxStats.TopN.TopN[0] c.Assert(idxItem.Count, Equals, uint64(11)) // The columns are: DBName, table name, column name, is index, value, count. - tk.MustQuery("show stats_topn").Sort().Check(testkit.Rows("test t b 0 0 11", "test t index_b 1 0 11")) + tk.MustQuery("show stats_topn").Sort().Check(testkit.Rows("test t b 0 0 11", + "test t index_b 1 0 11", + "test t index_b 1 1 1", + "test t index_b 1 2 1", + "test t index_b 1 3 1", + "test t index_b 1 4 1", + "test t index_b 1 5 1", + "test t index_b 1 6 1", + "test t index_b 1 7 1", + "test t index_b 1 8 1", + "test t index_b 1 9 1", + )) } func (s *testSuite1) TestHashInTopN(c *C) { diff --git a/executor/builder.go b/executor/builder.go index abfba93797fd3..d6d4506e7ad1d 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -1938,9 +1938,15 @@ func (b *executorBuilder) buildAnalyzeIndexPushdown(task plannercore.AnalyzeInde }, opts: opts, } + topNSize := new(int32) + *topNSize = int32(opts[ast.AnalyzeOptNumTopN]) + statsVersion := new(int32) + *statsVersion = int32(b.ctx.GetSessionVars().AnalyzeVersion) e.analyzePB.IdxReq = &tipb.AnalyzeIndexReq{ BucketSize: int64(opts[ast.AnalyzeOptNumBuckets]), NumColumns: int32(len(task.IndexInfo.Columns)), + TopNSize: topNSize, + Version: statsVersion, } if e.isCommonHandle && e.idxInfo.Primary { e.analyzePB.Tp = tipb.AnalyzeType_TypeCommonHandle diff --git a/go.mod b/go.mod index 6b006e1dd6b03..a068a99c9443a 100644 --- a/go.mod +++ b/go.mod @@ -51,7 +51,7 @@ require ( github.com/pingcap/sysutil v0.0.0-20201130064824-f0c8aa6a6966 github.com/pingcap/tidb-lightning v4.0.9-0.20201106041742-a1ac97827a27+incompatible github.com/pingcap/tidb-tools v4.0.9-0.20201127090955-2707c97b3853+incompatible - github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f + github.com/pingcap/tipb v0.0.0-20201209065231-aa39b1b86217 github.com/prometheus/client_golang v1.5.1 github.com/prometheus/client_model v0.2.0 github.com/prometheus/common v0.9.1 diff --git a/go.sum b/go.sum index f7203326d7dcb..3f227d0f1d2ca 100644 --- a/go.sum +++ b/go.sum @@ -711,8 +711,8 @@ github.com/pingcap/tidb-tools v4.0.9-0.20201127090955-2707c97b3853+incompatible github.com/pingcap/tidb-tools v4.0.9-0.20201127090955-2707c97b3853+incompatible/go.mod h1:XGdcy9+yqlDSEMTpOXnwf3hiTeqrV6MN/u1se9N8yIM= github.com/pingcap/tipb v0.0.0-20190428032612-535e1abaa330/go.mod h1:RtkHW8WbcNxj8lsbzjaILci01CtYnYbIkQhjyZWrWVI= github.com/pingcap/tipb v0.0.0-20200417094153-7316d94df1ee/go.mod h1:RtkHW8WbcNxj8lsbzjaILci01CtYnYbIkQhjyZWrWVI= -github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f h1:J+0TAI+7Hvebz4bM4GnRCRT4MpjYnUxbyi9ky5ZQUsU= -github.com/pingcap/tipb v0.0.0-20201026044621-45e60c77588f/go.mod h1:RtkHW8WbcNxj8lsbzjaILci01CtYnYbIkQhjyZWrWVI= +github.com/pingcap/tipb v0.0.0-20201209065231-aa39b1b86217 h1:Ophn4Ud/QHp1BH0FJOzbAVBW9Mw8BlX0gtWkK7ubDy0= +github.com/pingcap/tipb v0.0.0-20201209065231-aa39b1b86217/go.mod h1:RtkHW8WbcNxj8lsbzjaILci01CtYnYbIkQhjyZWrWVI= github.com/pingcap/tiup v1.2.3 h1:8OCQF7sHhT6VqE8pZU1JTSogPA90OFuWWM/B746x0YY= github.com/pingcap/tiup v1.2.3/go.mod h1:q8WzflNHjE1U49k2qstTL0clx2pKh8pkOzUFV4RTvQo= github.com/pkg/browser v0.0.0-20180916011732-0a3d74bf9ce4/go.mod h1:4OwLy04Bl9Ef3GJJCoec+30X3LQs/0/m4HFRt/2LUSA= diff --git a/statistics/cmsketch.go b/statistics/cmsketch.go index cc8d02e24cc75..864dafae104bb 100644 --- a/statistics/cmsketch.go +++ b/statistics/cmsketch.go @@ -145,7 +145,7 @@ func buildCMSAndTopN(helper *topNHelper, d, w int32, scaleRatio uint64, defaultV if cnt > 1 { rowCount = cnt * scaleRatio } - c.insertBytesByCount(data, rowCount) + c.InsertBytesByCount(data, rowCount) } return } @@ -188,11 +188,11 @@ func (c *TopN) updateTopNWithDelta(d []byte, delta uint64, increase bool) bool { // InsertBytes inserts the bytes value into the CM Sketch. func (c *CMSketch) InsertBytes(bytes []byte) { - c.insertBytesByCount(bytes, 1) + c.InsertBytesByCount(bytes, 1) } // InsertBytesByCount adds the bytes value into the TopN (if value already in TopN) or CM Sketch by delta, this does not updates c.defaultValue. -func (c *CMSketch) insertBytesByCount(bytes []byte, count uint64) { +func (c *CMSketch) InsertBytesByCount(bytes []byte, count uint64) { h1, h2 := murmur3.Sum128(bytes) c.count += count for i := range c.table { @@ -239,7 +239,8 @@ func (c *CMSketch) setValue(h1, h2 uint64, count uint64) { } } -func (c *CMSketch) subValue(h1, h2 uint64, count uint64) { +// SubValue remove a value from the CMSketch. +func (c *CMSketch) SubValue(h1, h2 uint64, count uint64) { c.count -= count for i := range c.table { j := (h1 + h2*uint64(i)) % uint64(c.width) @@ -304,10 +305,11 @@ func (c *CMSketch) queryHashValue(h1, h2 uint64) uint64 { } // MergeTopN merges the src TopN into the dst, and spilled values will be inserted into the CMSketch. -func MergeTopN(dst, src *TopN, c *CMSketch, numTop uint32, usingMax bool) { - if dst.TotalCount() == 0 || src.TotalCount() == 0 { - return +func MergeTopN(dst, src *TopN, c *CMSketch, numTop uint32, usingMax bool) []TopNMeta { + if dst.TotalCount()+src.TotalCount() == 0 { + return nil } + popedTopNPair := make([]TopNMeta, 0, 4) counter := make(map[hack.MutableString]uint64) for _, meta := range dst.TopN { counter[hack.String(meta.Encoded)] += meta.Count @@ -334,10 +336,12 @@ func MergeTopN(dst, src *TopN, c *CMSketch, numTop uint32, usingMax bool) { if cnt >= lastTopCnt { dst.AppendTopN(data, cnt) } else { - c.insertBytesByCount(data, cnt) + popedTopNPair = append(popedTopNPair, TopNMeta{Encoded: data, Count: cnt}) + c.InsertBytesByCount(data, cnt) } } dst.Sort() + return popedTopNPair } // MergeCMSketch merges two CM Sketch. @@ -380,15 +384,23 @@ func (c *CMSketch) MergeCMSketch4IncrementalAnalyze(rc *CMSketch, numTopN uint32 } // CMSketchToProto converts CMSketch to its protobuf representation. -func CMSketchToProto(c *CMSketch) *tipb.CMSketch { - protoSketch := &tipb.CMSketch{Rows: make([]*tipb.CMSketchRow, c.depth)} - for i := range c.table { - protoSketch.Rows[i] = &tipb.CMSketchRow{Counters: make([]uint32, c.width)} - for j := range c.table[i] { - protoSketch.Rows[i].Counters[j] = c.table[i][j] +func CMSketchToProto(c *CMSketch, topn *TopN) *tipb.CMSketch { + protoSketch := &tipb.CMSketch{} + if c != nil { + protoSketch.Rows = make([]*tipb.CMSketchRow, c.depth) + for i := range c.table { + protoSketch.Rows[i] = &tipb.CMSketchRow{Counters: make([]uint32, c.width)} + for j := range c.table[i] { + protoSketch.Rows[i].Counters[j] = c.table[i][j] + } + } + protoSketch.DefaultValue = c.defaultValue + } + if topn != nil { + for _, dataMeta := range topn.TopN { + protoSketch.TopN = append(protoSketch.TopN, &tipb.CMSketchTopN{Data: dataMeta.Encoded, Count: dataMeta.Count}) } } - protoSketch.DefaultValue = c.defaultValue return protoSketch } @@ -430,7 +442,7 @@ func EncodeCMSketchWithoutTopN(c *CMSketch) ([]byte, error) { if c == nil { return nil, nil } - p := CMSketchToProto(c) + p := CMSketchToProto(c, nil) p.TopN = nil protoData, err := p.Marshal() return protoData, err @@ -534,6 +546,9 @@ func (c *TopN) QueryTopN(d []byte) (uint64, bool) { } func (c *TopN) findTopN(d []byte) int { + if c == nil { + return -1 + } match := false idx := sort.Search(len(c.TopN), func(i int) bool { cmp := bytes.Compare(c.TopN[i].Encoded, d) @@ -548,8 +563,41 @@ func (c *TopN) findTopN(d []byte) int { return idx } +// LowerBound searches on the sorted top-n items, +// returns the smallest index i such that the value at element i is not less than `d`. +func (c *TopN) LowerBound(d []byte) (idx int, match bool) { + if c == nil { + return 0, false + } + idx = sort.Search(len(c.TopN), func(i int) bool { + cmp := bytes.Compare(c.TopN[i].Encoded, d) + if cmp == 0 { + match = true + } + return cmp >= 0 + }) + return idx, match +} + +// BetweenCount estimates the row count for interval [l, r). +func (c *TopN) BetweenCount(l, r []byte) uint64 { + if c == nil { + return 0 + } + lIdx, _ := c.LowerBound(l) + rIdx, _ := c.LowerBound(r) + ret := uint64(0) + for i := lIdx; i < rIdx; i++ { + ret += c.TopN[i].Count + } + return ret +} + // Sort sorts the topn items. func (c *TopN) Sort() { + if c == nil { + return + } sort.Slice(c.TopN, func(i, j int) bool { return bytes.Compare(c.TopN[i].Encoded, c.TopN[j].Encoded) < 0 }) @@ -567,6 +615,27 @@ func (c *TopN) TotalCount() uint64 { return total } +// Equal checks whether the two TopN are equal. +func (c *TopN) Equal(cc *TopN) bool { + if c == nil && cc == nil { + return true + } else if c == nil || cc == nil { + return false + } + if len(c.TopN) != len(cc.TopN) { + return false + } + for i := range c.TopN { + if !bytes.Equal(c.TopN[i].Encoded, cc.TopN[i].Encoded) { + return false + } + if c.TopN[i].Count != cc.TopN[i].Count { + return false + } + } + return true +} + // NewTopN creates the new TopN struct by the given size. func NewTopN(n int) *TopN { return &TopN{TopN: make([]TopNMeta, 0, n)} diff --git a/statistics/feedback.go b/statistics/feedback.go index 3526561a66f70..3e241338d7ee3 100644 --- a/statistics/feedback.go +++ b/statistics/feedback.go @@ -965,6 +965,21 @@ func SplitFeedbackByQueryType(feedbacks []Feedback) ([]Feedback, []Feedback) { return eqFB, ranFB } +// CleanRangeFeedbackByTopN will not update the part containing the TopN. +func CleanRangeFeedbackByTopN(feedbacks []Feedback, topN *TopN) []Feedback { + for i := len(feedbacks) - 1; i >= 0; i-- { + lIdx, lMatch := topN.LowerBound(feedbacks[i].Lower.GetBytes()) + rIdx, _ := topN.LowerBound(feedbacks[i].Upper.GetBytes()) + // If the LowerBound return the same result for the range's upper bound and lower bound and the lower one isn't matched, + // we can indicate that no top-n overlaps the feedback's ranges. + if lIdx == rIdx && !lMatch { + continue + } + feedbacks = append(feedbacks[:i], feedbacks[i+1:]...) + } + return feedbacks +} + // setNextValue sets the next value for the given datum. For types like float, // we do not set because it is not discrete and does not matter too much when estimating the scalar info. func setNextValue(d *types.Datum) { diff --git a/statistics/handle/dump.go b/statistics/handle/dump.go index 7576e5d78599a..2040ad0752030 100644 --- a/statistics/handle/dump.go +++ b/statistics/handle/dump.go @@ -96,18 +96,21 @@ type jsonColumn struct { TotColSize int64 `json:"tot_col_size"` LastUpdateVersion uint64 `json:"last_update_version"` Correlation float64 `json:"correlation"` + // StatsVer is a pointer here since the old version json file would not contain version information. + StatsVer *int64 `json:"stats_ver"` } -func dumpJSONCol(hist *statistics.Histogram, CMSketch *statistics.CMSketch) *jsonColumn { +func dumpJSONCol(hist *statistics.Histogram, CMSketch *statistics.CMSketch, topn *statistics.TopN, statsVer *int64) *jsonColumn { jsonCol := &jsonColumn{ Histogram: statistics.HistogramToProto(hist), NullCount: hist.NullCount, TotColSize: hist.TotColSize, LastUpdateVersion: hist.LastUpdateVersion, Correlation: hist.Correlation, + StatsVer: statsVer, } - if CMSketch != nil { - jsonCol.CMSketch = statistics.CMSketchToProto(CMSketch) + if CMSketch != nil || topn != nil { + jsonCol.CMSketch = statistics.CMSketchToProto(CMSketch, topn) } return jsonCol } @@ -160,11 +163,11 @@ func (h *Handle) tableStatsToJSON(dbName string, tableInfo *model.TableInfo, phy if err != nil { return nil, errors.Trace(err) } - jsonTbl.Columns[col.Info.Name.L] = dumpJSONCol(hist, col.CMSketch) + jsonTbl.Columns[col.Info.Name.L] = dumpJSONCol(hist, col.CMSketch, col.TopN, nil) } for _, idx := range tbl.Indices { - jsonTbl.Indices[idx.Info.Name.L] = dumpJSONCol(&idx.Histogram, idx.CMSketch) + jsonTbl.Indices[idx.Info.Name.L] = dumpJSONCol(&idx.Histogram, idx.CMSketch, idx.TopN, &idx.StatsVer) } jsonTbl.ExtStats = dumpJSONExtendedStats(tbl.ExtendedStats) return jsonTbl, nil @@ -205,13 +208,13 @@ func (h *Handle) loadStatsFromJSON(tableInfo *model.TableInfo, physicalID int64, } for _, col := range tbl.Columns { - err = h.SaveStatsToStorage(tbl.PhysicalID, tbl.Count, 0, &col.Histogram, col.CMSketch, col.TopN, 1) + err = h.SaveStatsToStorage(tbl.PhysicalID, tbl.Count, 0, &col.Histogram, col.CMSketch, col.TopN, 0, 1) if err != nil { return errors.Trace(err) } } for _, idx := range tbl.Indices { - err = h.SaveStatsToStorage(tbl.PhysicalID, tbl.Count, 1, &idx.Histogram, idx.CMSketch, idx.TopN, 1) + err = h.SaveStatsToStorage(tbl.PhysicalID, tbl.Count, 1, &idx.Histogram, idx.CMSketch, idx.TopN, int(idx.StatsVer), 1) if err != nil { return errors.Trace(err) } @@ -244,11 +247,18 @@ func TableStatsFromJSON(tableInfo *model.TableInfo, physicalID int64, jsonTbl *J hist := statistics.HistogramFromProto(jsonIdx.Histogram) hist.ID, hist.NullCount, hist.LastUpdateVersion, hist.Correlation = idxInfo.ID, jsonIdx.NullCount, jsonIdx.LastUpdateVersion, jsonIdx.Correlation cm, topN := statistics.CMSketchAndTopNFromProto(jsonIdx.CMSketch) + // If the statistics is loaded from a JSON without stats version, + // we set it to 1. + statsVer := int64(statistics.Version1) + if jsonIdx.StatsVer != nil { + statsVer = *jsonIdx.StatsVer + } idx := &statistics.Index{ Histogram: *hist, CMSketch: cm, TopN: topN, Info: idxInfo, + StatsVer: statsVer, } tbl.Indices[idx.ID] = idx } diff --git a/statistics/handle/dump_test.go b/statistics/handle/dump_test.go index a301611e47617..4b9052bd50a06 100644 --- a/statistics/handle/dump_test.go +++ b/statistics/handle/dump_test.go @@ -150,7 +150,7 @@ func (s *testStatsSuite) TestDumpCMSketchWithTopN(c *C) { cms, _, _, _ := statistics.NewCMSketchAndTopN(5, 2048, fakeData, 20, 100) stat := h.GetTableStats(tableInfo) - err = h.SaveStatsToStorage(tableInfo.ID, 1, 0, &stat.Columns[tableInfo.Columns[0].ID].Histogram, cms, nil, 1) + err = h.SaveStatsToStorage(tableInfo.ID, 1, 0, &stat.Columns[tableInfo.Columns[0].ID].Histogram, cms, nil, statistics.CurStatsVersion, 1) c.Assert(err, IsNil) c.Assert(h.Update(is), IsNil) diff --git a/statistics/handle/handle.go b/statistics/handle/handle.go index 7563a4bc37996..3c7ba5c23730f 100644 --- a/statistics/handle/handle.go +++ b/statistics/handle/handle.go @@ -644,7 +644,7 @@ func (h *Handle) extendedStatsFromStorage(reader *statsReader, table *statistics } // SaveStatsToStorage saves the stats to storage. -func (h *Handle) SaveStatsToStorage(tableID int64, count int64, isIndex int, hg *statistics.Histogram, cms *statistics.CMSketch, topN *statistics.TopN, isAnalyzed int64) (err error) { +func (h *Handle) SaveStatsToStorage(tableID int64, count int64, isIndex int, hg *statistics.Histogram, cms *statistics.CMSketch, topN *statistics.TopN, statsVersion int, isAnalyzed int64) (err error) { h.mu.Lock() defer h.mu.Unlock() ctx := context.TODO() @@ -685,7 +685,7 @@ func (h *Handle) SaveStatsToStorage(tableID int64, count int64, isIndex int, hg flag = statistics.AnalyzeFlag } sqls = append(sqls, fmt.Sprintf("replace into mysql.stats_histograms (table_id, is_index, hist_id, distinct_count, version, null_count, cm_sketch, tot_col_size, stats_ver, flag, correlation) values (%d, %d, %d, %d, %d, %d, X'%X', %d, %d, %d, %f)", - tableID, isIndex, hg.ID, hg.NDV, version, hg.NullCount, data, hg.TotColSize, statistics.CurStatsVersion, flag, hg.Correlation)) + tableID, isIndex, hg.ID, hg.NDV, version, hg.NullCount, data, hg.TotColSize, statsVersion, flag, hg.Correlation)) sqls = append(sqls, fmt.Sprintf("delete from mysql.stats_buckets where table_id = %d and is_index = %d and hist_id = %d", tableID, isIndex, hg.ID)) sc := h.mu.ctx.GetSessionVars().StmtCtx var lastAnalyzePos []byte diff --git a/statistics/handle/statscache_test.go b/statistics/handle/statscache_test.go index f2c5f3439ad19..e42ae806c18ed 100644 --- a/statistics/handle/statscache_test.go +++ b/statistics/handle/statscache_test.go @@ -116,6 +116,7 @@ func (s *testStatsSuite) TestLoadHistWithInvalidIndex(c *C) { h.SetBytesLimit4Test(BytesLimit) testKit.MustExec("use test") + testKit.MustExec("set @@session.tidb_analyze_version=2") testKit.MustExec("create table t1(c int)") testKit.MustExec("insert into t1 values(1),(2),(3),(4),(5)") c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) @@ -148,11 +149,17 @@ func (s *testStatsSuite) TestLoadHistWithInvalidIndex(c *C) { c.Assert(statsTbl1new.Indices[tbl1.Meta().Indices[0].ID].Len() > 0, IsTrue) c.Assert(statsTbl1new.Indices[tbl1.Meta().Indices[0].ID].String(), Equals, "index:1 ndv:5\n"+ - "num: 1 lower_bound: 1 upper_bound: 1 repeats: 1\n"+ - "num: 1 lower_bound: 2 upper_bound: 2 repeats: 1\n"+ - "num: 1 lower_bound: 3 upper_bound: 3 repeats: 1\n"+ - "num: 1 lower_bound: 4 upper_bound: 4 repeats: 1\n"+ - "num: 1 lower_bound: 5 upper_bound: 5 repeats: 1") + "num: 0 lower_bound: 1 upper_bound: 1 repeats: 0\n"+ + "num: 0 lower_bound: 2 upper_bound: 2 repeats: 0\n"+ + "num: 0 lower_bound: 3 upper_bound: 3 repeats: 0\n"+ + "num: 0 lower_bound: 4 upper_bound: 4 repeats: 0\n"+ + "num: 0 lower_bound: 5 upper_bound: 5 repeats: 0") + testKit.MustQuery("show stats_topn where table_name = 't1' and column_name = 'idx_t'").Sort().Check(testkit.Rows("test t1 idx_t 1 1 1", + "test t1 idx_t 1 2 1", + "test t1 idx_t 1 3 1", + "test t1 idx_t 1 4 1", + "test t1 idx_t 1 5 1", + )) c.Assert(statsTbl1new.Columns[tbl1.Meta().Columns[0].ID].String(), Equals, "column:1 ndv:5 totColSize:5\n"+ "num: 1 lower_bound: 1 upper_bound: 1 repeats: 1\n"+ "num: 1 lower_bound: 2 upper_bound: 2 repeats: 1\n"+ diff --git a/statistics/handle/update.go b/statistics/handle/update.go index 1a522418510e9..e5001f680345b 100644 --- a/statistics/handle/update.go +++ b/statistics/handle/update.go @@ -557,6 +557,10 @@ func (h *Handle) UpdateStatsByLocalFeedback(is infoschema.InfoSchema) { } newIdx := *idx eqFB, ranFB := statistics.SplitFeedbackByQueryType(fb.Feedback) + // For StatsVersion higher than Version1, the topn is extracted out of histogram. So we don't update the histogram if the feedback overlaps with some topn. + if idx.StatsVer >= statistics.Version2 { + ranFB = statistics.CleanRangeFeedbackByTopN(ranFB, idx.TopN) + } newIdx.CMSketch, newIdx.TopN = statistics.UpdateCMSketchAndTopN(idx.CMSketch, idx.TopN, eqFB) newIdx.Histogram = *statistics.UpdateHistogram(&idx.Histogram, &statistics.QueryFeedback{Feedback: ranFB}) newIdx.Histogram.PreCalculateScalar() @@ -699,8 +703,10 @@ func (h *Handle) handleSingleHistogramUpdate(is infoschema.InfoSchema, rows []ch var cms *statistics.CMSketch var hist *statistics.Histogram var topN *statistics.TopN + var statsVer int64 = statistics.Version1 if isIndex == 1 { idx, ok := tbl.Indices[histID] + statsVer = idx.StatsVer if ok && idx.Histogram.Len() > 0 { idxHist := idx.Histogram hist = &idxHist @@ -725,7 +731,7 @@ func (h *Handle) handleSingleHistogramUpdate(is infoschema.InfoSchema, rows []ch logutil.BgLogger().Debug("decode feedback failed", zap.Error(err)) } } - err = h.dumpStatsUpdateToKV(physicalTableID, isIndex, q, hist, cms, topN) + err = h.dumpStatsUpdateToKV(physicalTableID, isIndex, q, hist, cms, topN, statsVer) return errors.Trace(err) } @@ -744,9 +750,9 @@ func (h *Handle) deleteOutdatedFeedback(tableID, histID, isIndex int64) error { return nil } -func (h *Handle) dumpStatsUpdateToKV(tableID, isIndex int64, q *statistics.QueryFeedback, hist *statistics.Histogram, cms *statistics.CMSketch, topN *statistics.TopN) error { +func (h *Handle) dumpStatsUpdateToKV(tableID, isIndex int64, q *statistics.QueryFeedback, hist *statistics.Histogram, cms *statistics.CMSketch, topN *statistics.TopN, statsVersion int64) error { hist = statistics.UpdateHistogram(hist, q) - err := h.SaveStatsToStorage(tableID, -1, int(isIndex), hist, cms, topN, 0) + err := h.SaveStatsToStorage(tableID, -1, int(isIndex), hist, cms, topN, int(statsVersion), 0) metrics.UpdateStatsCounter.WithLabelValues(metrics.RetLabel(err)).Inc() return errors.Trace(err) } @@ -1163,7 +1169,7 @@ func (h *Handle) DumpFeedbackForIndex(q *statistics.QueryFeedback, t *statistics return nil } sc := &stmtctx.StatementContext{TimeZone: time.UTC} - if idx.CMSketch == nil || idx.StatsVer != statistics.Version1 { + if idx.CMSketch == nil || idx.StatsVer < statistics.Version1 { return h.DumpFeedbackToKV(q) } ranges, err := q.DecodeToRanges(true) diff --git a/statistics/handle/update_test.go b/statistics/handle/update_test.go index 67d1ef7a1b063..01f4bf5c797ff 100644 --- a/statistics/handle/update_test.go +++ b/statistics/handle/update_test.go @@ -743,7 +743,7 @@ func (s *testStatsSuite) TestQueryFeedback(c *C) { testKit.MustExec("use test") testKit.MustExec("create table t (a bigint(64), b bigint(64), primary key(a), index idx(b))") testKit.MustExec("insert into t values (1,2),(2,2),(4,5)") - testKit.MustExec("analyze table t") + testKit.MustExec("analyze table t with 0 topn") testKit.MustExec("insert into t values (3,4)") h := s.do.StatsHandle() @@ -994,7 +994,7 @@ func (s *testStatsSuite) TestUpdateStatsByLocalFeedback(c *C) { testKit.MustExec(`set @@tidb_partition_prune_mode='` + string(variable.StaticOnly) + `'`) testKit.MustExec("create table t (a bigint(64), b bigint(64), primary key(a), index idx(b))") testKit.MustExec("insert into t values (1,2),(2,2),(4,5)") - testKit.MustExec("analyze table t") + testKit.MustExec("analyze table t with 0 topn") testKit.MustExec("insert into t values (3,5)") h := s.do.StatsHandle() oriProbability := statistics.FeedbackProbability @@ -1504,7 +1504,7 @@ func (s *testStatsSuite) TestAbnormalIndexFeedback(c *C) { for i := 0; i < 20; i++ { testKit.MustExec(fmt.Sprintf("insert into t values (%d, %d)", i/5, i)) } - testKit.MustExec("analyze table t with 3 buckets") + testKit.MustExec("analyze table t with 3 buckets, 0 topn") testKit.MustExec("delete from t where a = 1") testKit.MustExec("delete from t where b > 10") is := s.do.InfoSchema() diff --git a/statistics/histogram.go b/statistics/histogram.go index 19c7e710d43c5..1ad443fb10b15 100644 --- a/statistics/histogram.go +++ b/statistics/histogram.go @@ -274,8 +274,10 @@ func HistogramEqual(a, b *Histogram, ignoreID bool) bool { // constants for stats version. These const can be used for solving compatibility issue. const ( - CurStatsVersion = Version1 + CurStatsVersion = Version2 + Version0 = 0 Version1 = 1 + Version2 = 2 ) // AnalyzeFlag is set when the statistics comes from analyze and has not been modified by feedback. @@ -321,6 +323,35 @@ func (hg *Histogram) BucketToString(bktID, idxCols int) string { return fmt.Sprintf("num: %d lower_bound: %s upper_bound: %s repeats: %d", hg.bucketCount(bktID), lowerVal, upperVal, hg.Buckets[bktID].Repeat) } +// RemoveIdxVals remove the given values from the histogram. +func (hg *Histogram) RemoveIdxVals(idxValCntPairs []TopNMeta) { + totalSubCnt := int64(0) + for bktIdx, pairIdx := 0, 0; bktIdx < hg.Len(); bktIdx++ { + for pairIdx < len(idxValCntPairs) { + // If the current val smaller than current bucket's lower bound, skip it. + cmpResult := bytes.Compare(hg.Bounds.Column(0).GetBytes(bktIdx*2), idxValCntPairs[pairIdx].Encoded) + if cmpResult > 0 { + continue + } + // If the current val bigger than current bucket's upper bound, break. + cmpResult = bytes.Compare(hg.Bounds.Column(0).GetBytes(bktIdx*2+1), idxValCntPairs[pairIdx].Encoded) + if cmpResult < 0 { + break + } + totalSubCnt += int64(idxValCntPairs[pairIdx].Count) + pairIdx++ + if cmpResult == 0 { + hg.Buckets[bktIdx].Repeat = 0 + break + } + } + hg.Buckets[bktIdx].Count -= totalSubCnt + if hg.Buckets[bktIdx].Count < 0 { + hg.Buckets[bktIdx].Count = 0 + } + } +} + // ToString gets the string representation for the histogram. func (hg *Histogram) ToString(idxCols int) string { strs := make([]string, 0, hg.Len()+1) @@ -441,6 +472,24 @@ func (hg *Histogram) mergeBuckets(bucketIdx int) { hg.Buckets = hg.Buckets[:curBuck] } +// GetIncreaseFactor get the increase factor to adjust the final estimated count when the table is modified. +func (idx *Index) GetIncreaseFactor(totalCount int64) float64 { + columnCount := idx.TotalRowCount() + if columnCount == 0 { + return 1.0 + } + return float64(totalCount) / columnCount +} + +// BetweenRowCount estimates the row count for interval [l, r). +func (idx *Index) BetweenRowCount(l, r types.Datum) float64 { + histBetweenCnt := idx.Histogram.BetweenRowCount(l, r) + if idx.StatsVer == Version1 { + return histBetweenCnt + } + return float64(idx.TopN.BetweenCount(l.GetBytes(), r.GetBytes())) + histBetweenCnt +} + // GetIncreaseFactor will return a factor of data increasing after the last analysis. func (hg *Histogram) GetIncreaseFactor(totalCount int64) float64 { columnCount := hg.TotalRowCount() @@ -910,6 +959,14 @@ func (idx *Index) String() string { return idx.Histogram.ToString(len(idx.Info.Columns)) } +// TotalRowCount returns the total count of this index. +func (idx *Index) TotalRowCount() float64 { + if idx.StatsVer == Version2 { + return idx.Histogram.TotalRowCount() + float64(idx.TopN.TotalCount()) + } + return idx.Histogram.TotalRowCount() +} + // HistogramNeededIndices stores the Index whose Histograms need to be loaded from physical kv layer. // Currently, we only load index/pk's Histogram from kv automatically. Columns' are loaded by needs. var HistogramNeededIndices = neededIndexMap{idxs: map[tableIndexID]struct{}{}} @@ -998,6 +1055,7 @@ func (idx *Index) GetRowCount(sc *stmtctx.StatementContext, indexRanges []*range continue } } + // The final interval is [low, high) if indexRange.LowExclude { lb = kv.Key(lb).PrefixNext() } @@ -1219,7 +1277,8 @@ type dataCnt struct { cnt uint64 } -func getIndexPrefixLens(data []byte, numCols int) (prefixLens []int, err error) { +// GetIndexPrefixLens returns an array representing +func GetIndexPrefixLens(data []byte, numCols int) (prefixLens []int, err error) { prefixLens = make([]int, 0, numCols) var colData []byte prefixLen := 0 @@ -1247,7 +1306,7 @@ func (hg *Histogram) ExtractTopN(cms *CMSketch, topN *TopN, numCols int, numTopN // Since our histogram are equal depth, they must occurs on the boundaries of buckets. for i := 0; i < hg.Bounds.NumRows(); i++ { data := hg.Bounds.GetRow(i).GetBytes(0) - prefixLens, err := getIndexPrefixLens(data, numCols) + prefixLens, err := GetIndexPrefixLens(data, numCols) if err != nil { return err } @@ -1272,7 +1331,7 @@ func (hg *Histogram) ExtractTopN(cms *CMSketch, topN *TopN, numCols int, numTopN for _, dataCnt := range dataCnts { h1, h2 := murmur3.Sum128(dataCnt.data) realCnt := cms.queryHashValue(h1, h2) - cms.subValue(h1, h2, realCnt) + cms.SubValue(h1, h2, realCnt) topN.AppendTopN(dataCnt.data, realCnt) } topN.Sort() diff --git a/statistics/sample.go b/statistics/sample.go index 17527c1bb816b..03ed05dd3f9d1 100644 --- a/statistics/sample.go +++ b/statistics/sample.go @@ -127,7 +127,7 @@ func SampleCollectorToProto(c *SampleCollector) *tipb.SampleCollector { TotalSize: &c.TotalSize, } if c.CMSketch != nil { - collector.CmSketch = CMSketchToProto(c.CMSketch) + collector.CmSketch = CMSketchToProto(c.CMSketch, nil) } for _, item := range c.Samples { collector.Samples = append(collector.Samples, item.Value.GetBytes()) @@ -319,7 +319,7 @@ func (c *SampleCollector) ExtractTopN(numTop uint32, sc *stmtctx.StatementContex if err != nil { return err } - cms.subValue(h1, h2, realCnt) + cms.SubValue(h1, h2, realCnt) c.TopN.AppendTopN(data, realCnt) } c.TopN.Sort() diff --git a/statistics/table.go b/statistics/table.go index 0d104084a4e55..e35cf44ed7c4b 100644 --- a/statistics/table.go +++ b/statistics/table.go @@ -428,7 +428,7 @@ func (coll *HistColl) GetRowCountByIndexRanges(sc *stmtctx.StatementContext, idx } var result float64 var err error - if idx.CMSketch != nil && idx.StatsVer == Version1 { + if idx.CMSketch != nil && idx.StatsVer != Version0 { result, err = coll.getIndexRowCount(sc, idxID, indexRanges) } else { result, err = idx.GetRowCount(sc, indexRanges, coll.ModifyCount) diff --git a/store/mockstore/mocktikv/analyze.go b/store/mockstore/mocktikv/analyze.go index 8027823818899..fa0d9384694c8 100644 --- a/store/mockstore/mocktikv/analyze.go +++ b/store/mockstore/mocktikv/analyze.go @@ -111,7 +111,7 @@ func (h *rpcHandler) handleAnalyzeIndexReq(req *coprocessor.Request, analyzeReq hg := statistics.HistogramToProto(statsBuilder.Hist()) var cm *tipb.CMSketch if cms != nil { - cm = statistics.CMSketchToProto(cms) + cm = statistics.CMSketchToProto(cms, nil) } data, err := proto.Marshal(&tipb.AnalyzeIndexResp{Hist: hg, Cms: cm}) if err != nil { diff --git a/store/mockstore/unistore/cophandler/analyze.go b/store/mockstore/unistore/cophandler/analyze.go index 47275b3d91b42..329335a70af5e 100644 --- a/store/mockstore/unistore/cophandler/analyze.go +++ b/store/mockstore/unistore/cophandler/analyze.go @@ -14,7 +14,9 @@ package cophandler import ( + "bytes" "math" + "sort" "time" "github.com/golang/protobuf/proto" @@ -34,6 +36,7 @@ import ( "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/rowcodec" "github.com/pingcap/tipb/go-tipb" + "github.com/twmb/murmur3" "golang.org/x/net/context" ) @@ -74,9 +77,17 @@ func handleCopAnalyzeRequest(dbReader *dbreader.DBReader, req *coprocessor.Reque } func handleAnalyzeIndexReq(dbReader *dbreader.DBReader, rans []kv.KeyRange, analyzeReq *tipb.AnalyzeReq, startTS uint64) (*coprocessor.Response, error) { + statsVer := int32(statistics.Version1) + if analyzeReq.IdxReq.Version != nil { + statsVer = *analyzeReq.IdxReq.Version + } processor := &analyzeIndexProcessor{ colLen: int(analyzeReq.IdxReq.NumColumns), statsBuilder: statistics.NewSortedBuilder(flagsToStatementContext(analyzeReq.Flags), analyzeReq.IdxReq.BucketSize, 0, types.NewFieldType(mysql.TypeBlob)), + statsVer: statsVer, + } + if analyzeReq.IdxReq.TopNSize != nil { + processor.topNCount = *analyzeReq.IdxReq.TopNSize } if analyzeReq.IdxReq.CmsketchDepth != nil && analyzeReq.IdxReq.CmsketchWidth != nil { processor.cms = statistics.NewCMSketch(*analyzeReq.IdxReq.CmsketchDepth, *analyzeReq.IdxReq.CmsketchWidth) @@ -87,10 +98,32 @@ func handleAnalyzeIndexReq(dbReader *dbreader.DBReader, rans []kv.KeyRange, anal return nil, err } } + if statsVer == statistics.Version2 { + if processor.topNCurValuePair.Count != 0 { + processor.topNValuePairs = append(processor.topNValuePairs, processor.topNCurValuePair) + } + sort.Slice(processor.topNValuePairs, func(i, j int) bool { + if processor.topNValuePairs[i].Count > processor.topNValuePairs[j].Count { + return true + } else if processor.topNValuePairs[i].Count < processor.topNValuePairs[j].Count { + return false + } + return bytes.Compare(processor.topNValuePairs[i].Encoded, processor.topNValuePairs[j].Encoded) < 0 + }) + if len(processor.topNValuePairs) > int(processor.topNCount) { + processor.topNValuePairs = processor.topNValuePairs[:processor.topNCount] + } + } hg := statistics.HistogramToProto(processor.statsBuilder.Hist()) var cm *tipb.CMSketch if processor.cms != nil { - cm = statistics.CMSketchToProto(processor.cms) + if statsVer == statistics.Version2 { + for _, valueCnt := range processor.topNValuePairs { + h1, h2 := murmur3.Sum128(valueCnt.Encoded) + processor.cms.SubValue(h1, h2, valueCnt.Count) + } + } + cm = statistics.CMSketchToProto(processor.cms, &statistics.TopN{TopN: processor.topNValuePairs}) } data, err := proto.Marshal(&tipb.AnalyzeIndexResp{Hist: hg, Cms: cm}) if err != nil { @@ -116,7 +149,7 @@ func handleAnalyzeCommonHandleReq(dbReader *dbreader.DBReader, rans []kv.KeyRang hg := statistics.HistogramToProto(processor.statsBuilder.Hist()) var cm *tipb.CMSketch if processor.cms != nil { - cm = statistics.CMSketchToProto(processor.cms) + cm = statistics.CMSketchToProto(processor.cms, nil) } data, err := proto.Marshal(&tipb.AnalyzeIndexResp{Hist: hg, Cms: cm}) if err != nil { @@ -132,20 +165,37 @@ type analyzeIndexProcessor struct { statsBuilder *statistics.SortedBuilder cms *statistics.CMSketch rowBuf []byte + + statsVer int32 + topNCount int32 + topNValuePairs []statistics.TopNMeta + topNCurValuePair statistics.TopNMeta } -func (p *analyzeIndexProcessor) Process(key, value []byte) error { +func (p *analyzeIndexProcessor) Process(key, _ []byte) error { values, _, err := tablecodec.CutIndexKeyNew(key, p.colLen) if err != nil { return err } p.rowBuf = p.rowBuf[:0] + for _, val := range values { p.rowBuf = append(p.rowBuf, val...) if p.cms != nil { p.cms.InsertBytes(p.rowBuf) } } + if p.statsVer == statistics.Version2 { + if bytes.Equal(p.topNCurValuePair.Encoded, p.rowBuf) { + p.topNCurValuePair.Count++ + } else { + if p.topNCurValuePair.Count > 0 { + p.topNValuePairs = append(p.topNValuePairs, p.topNCurValuePair) + } + p.topNCurValuePair.Encoded = safeCopy(p.rowBuf) + p.topNCurValuePair.Count = 1 + } + } rowData := safeCopy(p.rowBuf) err = p.statsBuilder.Iterate(types.NewBytesDatum(rowData)) if err != nil { From 2905b0defbb34e29e2b2d212ef68bd26a25c1df0 Mon Sep 17 00:00:00 2001 From: tiancaiamao Date: Thu, 10 Dec 2020 17:24:21 +0800 Subject: [PATCH 0442/1021] *: modify autoid allocator's Alloc() method, add context and tracing (#21617) --- executor/insert_common.go | 6 +-- meta/autoid/autoid.go | 11 ++++- meta/autoid/autoid_test.go | 95 ++++++++++++++++++++----------------- table/table.go | 4 +- table/tables/tables.go | 37 +++++++++------ table/tables/tables_test.go | 8 ++-- 6 files changed, 91 insertions(+), 70 deletions(-) diff --git a/executor/insert_common.go b/executor/insert_common.go index f97f6e41f9700..d32498c5648d3 100644 --- a/executor/insert_common.go +++ b/executor/insert_common.go @@ -859,7 +859,7 @@ func (e *InsertValues) adjustAutoRandomDatum(ctx context.Context, d types.Datum, if err != nil { return types.Datum{}, errors.Trace(err) } - recordID, err = e.allocAutoRandomID(&c.FieldType) + recordID, err = e.allocAutoRandomID(ctx, &c.FieldType) if err != nil { return types.Datum{}, err } @@ -879,12 +879,12 @@ func (e *InsertValues) adjustAutoRandomDatum(ctx context.Context, d types.Datum, } // allocAutoRandomID allocates a random id for primary key column. It assumes tableInfo.AutoRandomBits > 0. -func (e *InsertValues) allocAutoRandomID(fieldType *types.FieldType) (int64, error) { +func (e *InsertValues) allocAutoRandomID(ctx context.Context, fieldType *types.FieldType) (int64, error) { alloc := e.Table.Allocators(e.ctx).Get(autoid.AutoRandomType) tableInfo := e.Table.Meta() increment := e.ctx.GetSessionVars().AutoIncrementIncrement offset := e.ctx.GetSessionVars().AutoIncrementOffset - _, autoRandomID, err := alloc.Alloc(tableInfo.ID, 1, int64(increment), int64(offset)) + _, autoRandomID, err := alloc.Alloc(ctx, tableInfo.ID, 1, int64(increment), int64(offset)) if err != nil { return 0, err } diff --git a/meta/autoid/autoid.go b/meta/autoid/autoid.go index 3444537bda050..154692f7ee3c5 100644 --- a/meta/autoid/autoid.go +++ b/meta/autoid/autoid.go @@ -20,6 +20,7 @@ import ( "time" "github.com/cznic/mathutil" + "github.com/opentracing/opentracing-go" "github.com/pingcap/errors" "github.com/pingcap/failpoint" "github.com/pingcap/parser/model" @@ -105,7 +106,7 @@ type Allocator interface { // The returned range is (min, max]: // case increment=1 & offset=1: you can derive the ids like min+1, min+2... max. // case increment=x & offset=y: you firstly need to seek to firstID by `SeekToFirstAutoIDXXX`, then derive the IDs like firstID, firstID + increment * 2... in the caller. - Alloc(tableID int64, n uint64, increment, offset int64) (int64, int64, error) + Alloc(ctx context.Context, tableID int64, n uint64, increment, offset int64) (int64, int64, error) // AllocSeqCache allocs sequence batch value cached in table level（rather than in alloc), the returned range covering // the size of sequence cache with it's increment. The returned round indicates the sequence cycle times if it is with @@ -458,7 +459,13 @@ func NewAllocatorsFromTblInfo(store kv.Storage, schemaID int64, tblInfo *model.T // but actually we don't care about it, all we need is to calculate the new autoID corresponding to the // increment and offset at this time now. To simplify the rule is like (ID - offset) % increment = 0, // so the first autoID should be 9, then add increment to it to get 13. -func (alloc *allocator) Alloc(tableID int64, n uint64, increment, offset int64) (int64, int64, error) { +func (alloc *allocator) Alloc(ctx context.Context, tableID int64, n uint64, increment, offset int64) (int64, int64, error) { + if span := opentracing.SpanFromContext(ctx); span != nil && span.Tracer() != nil { + span1 := span.Tracer().StartSpan("autoid.Alloc", opentracing.ChildOf(span.Context())) + defer span1.Finish() + opentracing.ContextWithSpan(ctx, span1) + } + if tableID == 0 { return 0, 0, errInvalidTableID.GenWithStackByArgs("Invalid tableID") } diff --git a/meta/autoid/autoid_test.go b/meta/autoid/autoid_test.go index fe6f9abba5030..11a6a9bb98a59 100644 --- a/meta/autoid/autoid_test.go +++ b/meta/autoid/autoid_test.go @@ -14,6 +14,7 @@ package autoid_test import ( + "context" "fmt" "math" "math/rand" @@ -73,16 +74,17 @@ func (*testSuite) TestT(c *C) { alloc := autoid.NewAllocator(store, 1, false, autoid.RowIDAllocType) c.Assert(alloc, NotNil) + ctx := context.Background() globalAutoID, err := alloc.NextGlobalAutoID(1) c.Assert(err, IsNil) c.Assert(globalAutoID, Equals, int64(1)) - _, id, err := alloc.Alloc(1, 1, 1, 1) + _, id, err := alloc.Alloc(ctx, 1, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(1)) - _, id, err = alloc.Alloc(1, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 1, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(2)) - _, _, err = alloc.Alloc(0, 1, 1, 1) + _, _, err = alloc.Alloc(ctx, 0, 1, 1, 1) c.Assert(err, NotNil) globalAutoID, err = alloc.NextGlobalAutoID(1) c.Assert(err, IsNil) @@ -91,28 +93,28 @@ func (*testSuite) TestT(c *C) { // rebase err = alloc.Rebase(1, int64(1), true) c.Assert(err, IsNil) - _, id, err = alloc.Alloc(1, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 1, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(3)) err = alloc.Rebase(1, int64(3), true) c.Assert(err, IsNil) - _, id, err = alloc.Alloc(1, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 1, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(4)) err = alloc.Rebase(1, int64(10), true) c.Assert(err, IsNil) - _, id, err = alloc.Alloc(1, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 1, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(11)) err = alloc.Rebase(1, int64(3010), true) c.Assert(err, IsNil) - _, id, err = alloc.Alloc(1, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 1, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(3011)) alloc = autoid.NewAllocator(store, 1, false, autoid.RowIDAllocType) c.Assert(alloc, NotNil) - _, id, err = alloc.Alloc(1, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 1, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, autoid.GetStep()+1) @@ -120,7 +122,7 @@ func (*testSuite) TestT(c *C) { c.Assert(alloc, NotNil) err = alloc.Rebase(2, int64(1), false) c.Assert(err, IsNil) - _, id, err = alloc.Alloc(2, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 2, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(2)) @@ -132,19 +134,19 @@ func (*testSuite) TestT(c *C) { c.Assert(alloc, NotNil) err = alloc.Rebase(3, int64(3000), false) c.Assert(err, IsNil) - _, id, err = alloc.Alloc(3, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 3, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(3211)) err = alloc.Rebase(3, int64(6543), false) c.Assert(err, IsNil) - _, id, err = alloc.Alloc(3, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 3, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(6544)) // Test the MaxInt64 is the upper bound of `alloc` function but not `rebase`. err = alloc.Rebase(3, int64(math.MaxInt64-1), true) c.Assert(err, IsNil) - _, _, err = alloc.Alloc(3, 1, 1, 1) + _, _, err = alloc.Alloc(ctx, 3, 1, 1, 1) c.Assert(alloc, NotNil) err = alloc.Rebase(3, int64(math.MaxInt64), true) c.Assert(err, IsNil) @@ -155,18 +157,18 @@ func (*testSuite) TestT(c *C) { globalAutoID, err = alloc.NextGlobalAutoID(4) c.Assert(err, IsNil) c.Assert(globalAutoID, Equals, int64(1)) - min, max, err := alloc.Alloc(4, 1, 1, 1) + min, max, err := alloc.Alloc(ctx, 4, 1, 1, 1) c.Assert(err, IsNil) c.Assert(max-min, Equals, int64(1)) c.Assert(min+1, Equals, int64(1)) - min, max, err = alloc.Alloc(4, 2, 1, 1) + min, max, err = alloc.Alloc(ctx, 4, 2, 1, 1) c.Assert(err, IsNil) c.Assert(max-min, Equals, int64(2)) c.Assert(min+1, Equals, int64(2)) c.Assert(max, Equals, int64(3)) - min, max, err = alloc.Alloc(4, 100, 1, 1) + min, max, err = alloc.Alloc(ctx, 4, 100, 1, 1) c.Assert(err, IsNil) c.Assert(max-min, Equals, int64(100)) expected := int64(4) @@ -177,7 +179,7 @@ func (*testSuite) TestT(c *C) { err = alloc.Rebase(4, int64(1000), false) c.Assert(err, IsNil) - min, max, err = alloc.Alloc(4, 3, 1, 1) + min, max, err = alloc.Alloc(ctx, 4, 3, 1, 1) c.Assert(err, IsNil) c.Assert(max-min, Equals, int64(3)) c.Assert(min+1, Equals, int64(1001)) @@ -187,7 +189,7 @@ func (*testSuite) TestT(c *C) { lastRemainOne := alloc.End() err = alloc.Rebase(4, alloc.End()-2, false) c.Assert(err, IsNil) - min, max, err = alloc.Alloc(4, 5, 1, 1) + min, max, err = alloc.Alloc(ctx, 4, 5, 1, 1) c.Assert(err, IsNil) c.Assert(max-min, Equals, int64(5)) c.Assert(min+1, Greater, lastRemainOne) @@ -200,12 +202,12 @@ func (*testSuite) TestT(c *C) { offset := int64(100) c.Assert(err, IsNil) c.Assert(globalAutoID, Equals, int64(1)) - min, max, err = alloc.Alloc(5, 1, increment, offset) + min, max, err = alloc.Alloc(ctx, 5, 1, increment, offset) c.Assert(err, IsNil) c.Assert(min, Equals, int64(99)) c.Assert(max, Equals, int64(100)) - min, max, err = alloc.Alloc(5, 2, increment, offset) + min, max, err = alloc.Alloc(ctx, 5, 2, increment, offset) c.Assert(err, IsNil) c.Assert(max-min, Equals, int64(4)) c.Assert(max-min, Equals, autoid.CalcNeededBatchSize(100, 2, increment, offset, false)) @@ -213,7 +215,7 @@ func (*testSuite) TestT(c *C) { c.Assert(max, Equals, int64(104)) increment = int64(5) - min, max, err = alloc.Alloc(5, 3, increment, offset) + min, max, err = alloc.Alloc(ctx, 5, 3, increment, offset) c.Assert(err, IsNil) c.Assert(max-min, Equals, int64(11)) c.Assert(max-min, Equals, autoid.CalcNeededBatchSize(104, 3, increment, offset, false)) @@ -223,7 +225,7 @@ func (*testSuite) TestT(c *C) { c.Assert(firstID, Equals, int64(105)) increment = int64(15) - min, max, err = alloc.Alloc(5, 2, increment, offset) + min, max, err = alloc.Alloc(ctx, 5, 2, increment, offset) c.Assert(err, IsNil) c.Assert(max-min, Equals, int64(30)) c.Assert(max-min, Equals, autoid.CalcNeededBatchSize(115, 2, increment, offset, false)) @@ -233,7 +235,7 @@ func (*testSuite) TestT(c *C) { c.Assert(firstID, Equals, int64(130)) offset = int64(200) - min, max, err = alloc.Alloc(5, 2, increment, offset) + min, max, err = alloc.Alloc(ctx, 5, 2, increment, offset) c.Assert(err, IsNil) c.Assert(max-min, Equals, int64(16)) // offset-1 > base will cause alloc rebase to offset-1. @@ -275,16 +277,17 @@ func (*testSuite) TestUnsignedAutoid(c *C) { alloc := autoid.NewAllocator(store, 1, true, autoid.RowIDAllocType) c.Assert(alloc, NotNil) + ctx := context.Background() globalAutoID, err := alloc.NextGlobalAutoID(1) c.Assert(err, IsNil) c.Assert(globalAutoID, Equals, int64(1)) - _, id, err := alloc.Alloc(1, 1, 1, 1) + _, id, err := alloc.Alloc(ctx, 1, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(1)) - _, id, err = alloc.Alloc(1, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 1, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(2)) - _, _, err = alloc.Alloc(0, 1, 1, 1) + _, _, err = alloc.Alloc(ctx, 0, 1, 1, 1) c.Assert(err, NotNil) globalAutoID, err = alloc.NextGlobalAutoID(1) c.Assert(err, IsNil) @@ -293,28 +296,28 @@ func (*testSuite) TestUnsignedAutoid(c *C) { // rebase err = alloc.Rebase(1, int64(1), true) c.Assert(err, IsNil) - _, id, err = alloc.Alloc(1, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 1, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(3)) err = alloc.Rebase(1, int64(3), true) c.Assert(err, IsNil) - _, id, err = alloc.Alloc(1, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 1, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(4)) err = alloc.Rebase(1, int64(10), true) c.Assert(err, IsNil) - _, id, err = alloc.Alloc(1, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 1, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(11)) err = alloc.Rebase(1, int64(3010), true) c.Assert(err, IsNil) - _, id, err = alloc.Alloc(1, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 1, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(3011)) alloc = autoid.NewAllocator(store, 1, true, autoid.RowIDAllocType) c.Assert(alloc, NotNil) - _, id, err = alloc.Alloc(1, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 1, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, autoid.GetStep()+1) @@ -322,7 +325,7 @@ func (*testSuite) TestUnsignedAutoid(c *C) { c.Assert(alloc, NotNil) err = alloc.Rebase(2, int64(1), false) c.Assert(err, IsNil) - _, id, err = alloc.Alloc(2, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 2, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(2)) @@ -334,12 +337,12 @@ func (*testSuite) TestUnsignedAutoid(c *C) { c.Assert(alloc, NotNil) err = alloc.Rebase(3, int64(3000), false) c.Assert(err, IsNil) - _, id, err = alloc.Alloc(3, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 3, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(3211)) err = alloc.Rebase(3, int64(6543), false) c.Assert(err, IsNil) - _, id, err = alloc.Alloc(3, 1, 1, 1) + _, id, err = alloc.Alloc(ctx, 3, 1, 1, 1) c.Assert(err, IsNil) c.Assert(id, Equals, int64(6544)) @@ -348,7 +351,7 @@ func (*testSuite) TestUnsignedAutoid(c *C) { un := int64(n) err = alloc.Rebase(3, un, true) c.Assert(err, IsNil) - _, _, err = alloc.Alloc(3, 1, 1, 1) + _, _, err = alloc.Alloc(ctx, 3, 1, 1, 1) c.Assert(err, NotNil) un = int64(n + 1) err = alloc.Rebase(3, un, true) @@ -361,7 +364,7 @@ func (*testSuite) TestUnsignedAutoid(c *C) { c.Assert(err, IsNil) c.Assert(globalAutoID, Equals, int64(1)) - min, max, err := alloc.Alloc(4, 2, 1, 1) + min, max, err := alloc.Alloc(ctx, 4, 2, 1, 1) c.Assert(err, IsNil) c.Assert(max-min, Equals, int64(2)) c.Assert(min+1, Equals, int64(1)) @@ -369,7 +372,7 @@ func (*testSuite) TestUnsignedAutoid(c *C) { err = alloc.Rebase(4, int64(500), true) c.Assert(err, IsNil) - min, max, err = alloc.Alloc(4, 2, 1, 1) + min, max, err = alloc.Alloc(ctx, 4, 2, 1, 1) c.Assert(err, IsNil) c.Assert(max-min, Equals, int64(2)) c.Assert(min+1, Equals, int64(501)) @@ -378,7 +381,7 @@ func (*testSuite) TestUnsignedAutoid(c *C) { lastRemainOne := alloc.End() err = alloc.Rebase(4, alloc.End()-2, false) c.Assert(err, IsNil) - min, max, err = alloc.Alloc(4, 5, 1, 1) + min, max, err = alloc.Alloc(ctx, 4, 5, 1, 1) c.Assert(err, IsNil) c.Assert(max-min, Equals, int64(5)) c.Assert(min+1, Greater, lastRemainOne) @@ -393,7 +396,7 @@ func (*testSuite) TestUnsignedAutoid(c *C) { n = math.MaxUint64 - 100 offset := int64(n) - min, max, err = alloc.Alloc(5, 2, increment, offset) + min, max, err = alloc.Alloc(ctx, 5, 2, increment, offset) c.Assert(err, IsNil) c.Assert(uint64(min), Equals, uint64(math.MaxUint64-101)) c.Assert(uint64(max), Equals, uint64(math.MaxUint64-98)) @@ -434,9 +437,10 @@ func (*testSuite) TestConcurrentAlloc(c *C) { errCh := make(chan error, count) allocIDs := func() { + ctx := context.Background() alloc := autoid.NewAllocator(store, dbID, false, autoid.RowIDAllocType) for j := 0; j < int(autoid.GetStep())+5; j++ { - _, id, err1 := alloc.Alloc(tblID, 1, 1, 1) + _, id, err1 := alloc.Alloc(ctx, tblID, 1, 1, 1) if err1 != nil { errCh <- err1 break @@ -453,7 +457,7 @@ func (*testSuite) TestConcurrentAlloc(c *C) { // test Alloc N N := rand.Uint64() % 100 - min, max, err1 := alloc.Alloc(tblID, N, 1, 1) + min, max, err1 := alloc.Alloc(ctx, tblID, N, 1, 1) if err1 != nil { errCh <- err1 break @@ -509,11 +513,12 @@ func (*testSuite) TestRollbackAlloc(c *C) { }) c.Assert(err, IsNil) + ctx := context.Background() injectConf := new(kv.InjectionConfig) injectConf.SetCommitError(errors.New("injected")) injectedStore := kv.NewInjectedStore(store, injectConf) alloc := autoid.NewAllocator(injectedStore, 1, false, autoid.RowIDAllocType) - _, _, err = alloc.Alloc(2, 1, 1, 1) + _, _, err = alloc.Alloc(ctx, 2, 1, 1, 1) c.Assert(err, NotNil) c.Assert(alloc.Base(), Equals, int64(0)) c.Assert(alloc.End(), Equals, int64(0)) @@ -558,10 +563,11 @@ func BenchmarkAllocator_Alloc(b *testing.B) { if err != nil { return } + ctx := context.Background() alloc := autoid.NewAllocator(store, 1, false, autoid.RowIDAllocType) b.StartTimer() for i := 0; i < b.N; i++ { - alloc.Alloc(2, 1, 1, 1) + alloc.Alloc(ctx, 2, 1, 1, 1) } } @@ -866,12 +872,13 @@ func (*testSuite) TestAllocComputationIssue(c *C) { // Simulate the rest cache is not enough for next batch, assuming 10 & 13, batch size = 4. autoid.TestModifyBaseAndEndInjection(signedAlloc, 4, 6) + ctx := context.Background() // Here will recompute the new allocator batch size base on new base = 10, which will get 6. - min, max, err := unsignedAlloc.Alloc(1, 2, 3, 1) + min, max, err := unsignedAlloc.Alloc(ctx, 1, 2, 3, 1) c.Assert(err, IsNil) c.Assert(min, Equals, int64(10)) c.Assert(max, Equals, int64(16)) - min, max, err = signedAlloc.Alloc(2, 2, 3, 1) + min, max, err = signedAlloc.Alloc(ctx, 2, 2, 3, 1) c.Assert(err, IsNil) c.Assert(min, Equals, int64(7)) c.Assert(max, Equals, int64(13)) diff --git a/table/table.go b/table/table.go index cdcefe54f9b57..448f4b2620ed4 100644 --- a/table/table.go +++ b/table/table.go @@ -220,7 +220,7 @@ func AllocAutoIncrementValue(ctx context.Context, t Table, sctx sessionctx.Conte } increment := sctx.GetSessionVars().AutoIncrementIncrement offset := sctx.GetSessionVars().AutoIncrementOffset - _, max, err := t.Allocators(sctx).Get(autoid.RowIDAllocType).Alloc(t.Meta().ID, uint64(1), int64(increment), int64(offset)) + _, max, err := t.Allocators(sctx).Get(autoid.RowIDAllocType).Alloc(ctx, t.Meta().ID, uint64(1), int64(increment), int64(offset)) if err != nil { return 0, err } @@ -236,7 +236,7 @@ func AllocBatchAutoIncrementValue(ctx context.Context, t Table, sctx sessionctx. } increment = int64(sctx.GetSessionVars().AutoIncrementIncrement) offset := int64(sctx.GetSessionVars().AutoIncrementOffset) - min, max, err := t.Allocators(sctx).Get(autoid.RowIDAllocType).Alloc(t.Meta().ID, uint64(N), increment, offset) + min, max, err := t.Allocators(sctx).Get(autoid.RowIDAllocType).Alloc(ctx, t.Meta().ID, uint64(N), increment, offset) if err != nil { return min, max, err } diff --git a/table/tables/tables.go b/table/tables/tables.go index 5fa6df1b5b6e1..d62f6262ee35e 100644 --- a/table/tables/tables.go +++ b/table/tables/tables.go @@ -25,6 +25,7 @@ import ( "sync" "time" + "github.com/opentracing/opentracing-go" "github.com/pingcap/errors" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" @@ -600,6 +601,18 @@ func (t *TableCommon) AddRecord(sctx sessionctx.Context, r []types.Datum, opts . for _, fn := range opts { fn.ApplyOn(&opt) } + + var ctx context.Context + if opt.Ctx != nil { + ctx = opt.Ctx + if span := opentracing.SpanFromContext(ctx); span != nil && span.Tracer() != nil { + span1 := span.Tracer().StartSpan("table.AddRecord", opentracing.ChildOf(span.Context())) + defer span1.Finish() + ctx = opentracing.ContextWithSpan(ctx, span1) + } + } else { + ctx = context.Background() + } var hasRecordID bool cols := t.Cols() // opt.IsUpdate is a flag for update. @@ -641,13 +654,13 @@ func (t *TableCommon) AddRecord(sctx sessionctx.Context, r []types.Datum, opts . // following AddRecord() operation. // Make the IDs continuous benefit for the performance of TiKV. stmtCtx := sctx.GetSessionVars().StmtCtx - stmtCtx.BaseRowID, stmtCtx.MaxRowID, err = allocHandleIDs(sctx, t, uint64(opt.ReserveAutoID)) + stmtCtx.BaseRowID, stmtCtx.MaxRowID, err = allocHandleIDs(ctx, sctx, t, uint64(opt.ReserveAutoID)) if err != nil { return nil, err } } - recordID, err = AllocHandle(sctx, t) + recordID, err = AllocHandle(ctx, sctx, t) if err != nil { return nil, err } @@ -723,12 +736,6 @@ func (t *TableCommon) AddRecord(sctx sessionctx.Context, r []types.Datum, opts . value := writeBufs.RowValBuf var setPresume bool - var ctx context.Context - if opt.Ctx != nil { - ctx = opt.Ctx - } else { - ctx = context.Background() - } skipCheck := sctx.GetSessionVars().StmtCtx.BatchCheck if (t.meta.IsCommonHandle || t.meta.PKIsHandle) && !skipCheck && !opt.SkipHandleCheck { if sctx.GetSessionVars().LazyCheckKeyNotExists() { @@ -1282,9 +1289,9 @@ func GetColDefaultValue(ctx sessionctx.Context, col *table.Column, defaultVals [ // AllocHandle allocate a new handle. // A statement could reserve some ID in the statement context, try those ones first. -func AllocHandle(ctx sessionctx.Context, t table.Table) (kv.Handle, error) { - if ctx != nil { - if stmtCtx := ctx.GetSessionVars().StmtCtx; stmtCtx != nil { +func AllocHandle(ctx context.Context, sctx sessionctx.Context, t table.Table) (kv.Handle, error) { + if sctx != nil { + if stmtCtx := sctx.GetSessionVars().StmtCtx; stmtCtx != nil { // First try to alloc if the statement has reserved auto ID. if stmtCtx.BaseRowID < stmtCtx.MaxRowID { stmtCtx.BaseRowID += 1 @@ -1293,13 +1300,13 @@ func AllocHandle(ctx sessionctx.Context, t table.Table) (kv.Handle, error) { } } - _, rowID, err := allocHandleIDs(ctx, t, 1) + _, rowID, err := allocHandleIDs(ctx, sctx, t, 1) return kv.IntHandle(rowID), err } -func allocHandleIDs(ctx sessionctx.Context, t table.Table, n uint64) (int64, int64, error) { +func allocHandleIDs(ctx context.Context, sctx sessionctx.Context, t table.Table, n uint64) (int64, int64, error) { meta := t.Meta() - base, maxID, err := t.Allocators(ctx).Get(autoid.RowIDAllocType).Alloc(meta.ID, n, 1, 1) + base, maxID, err := t.Allocators(sctx).Get(autoid.RowIDAllocType).Alloc(ctx, meta.ID, n, 1, 1) if err != nil { return 0, 0, err } @@ -1315,7 +1322,7 @@ func allocHandleIDs(ctx sessionctx.Context, t table.Table, n uint64) (int64, int // shard = 0010000000000000000000000000000000000000000000000000000000000000 return 0, 0, autoid.ErrAutoincReadFailed } - txnCtx := ctx.GetSessionVars().TxnCtx + txnCtx := sctx.GetSessionVars().TxnCtx shard := txnCtx.GetShard(meta.ShardRowIDBits, autoid.RowIDBitLength, true, int(n)) base |= shard maxID |= shard diff --git a/table/tables/tables_test.go b/table/tables/tables_test.go index 50eef585e053c..d6f3823c8ec87 100644 --- a/table/tables/tables_test.go +++ b/table/tables/tables_test.go @@ -103,7 +103,7 @@ func (ts *testSuite) TestBasic(c *C) { c.Assert(err, IsNil) c.Assert(autoID, Greater, int64(0)) - handle, err := tables.AllocHandle(nil, tb) + handle, err := tables.AllocHandle(context.Background(), nil, tb) c.Assert(err, IsNil) c.Assert(handle.IntValue(), Greater, int64(0)) @@ -247,7 +247,7 @@ func (ts *testSuite) TestUniqueIndexMultipleNullEntries(c *C) { c.Assert(string(tb.RecordPrefix()), Not(Equals), "") c.Assert(tables.FindIndexByColName(tb, "b"), NotNil) - handle, err := tables.AllocHandle(nil, tb) + handle, err := tables.AllocHandle(context.Background(), nil, tb) c.Assert(err, IsNil) c.Assert(handle.IntValue(), Greater, int64(0)) @@ -388,14 +388,14 @@ func (ts *testSuite) TestTableFromMeta(c *C) { tk.MustExec("create table t_meta (a int) shard_row_id_bits = 15") tb, err = domain.GetDomain(tk.Se).InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("t_meta")) c.Assert(err, IsNil) - _, err = tables.AllocHandle(tk.Se, tb) + _, err = tables.AllocHandle(context.Background(), tk.Se, tb) c.Assert(err, IsNil) maxID := 1<<(64-15-1) - 1 err = tb.RebaseAutoID(tk.Se, int64(maxID), false, autoid.RowIDAllocType) c.Assert(err, IsNil) - _, err = tables.AllocHandle(tk.Se, tb) + _, err = tables.AllocHandle(context.Background(), tk.Se, tb) c.Assert(err, NotNil) } From c33e90a7aef495bb2e86311b4c62ee98f30ae864 Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Thu, 10 Dec 2020 19:27:52 +0800 Subject: [PATCH 0443/1021] ddl: make the system table visible in tableStorageStat (#21570) --- executor/infoschema_reader.go | 2 +- executor/infoschema_reader_test.go | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/executor/infoschema_reader.go b/executor/infoschema_reader.go index a29240980e88f..29aad45eaa609 100644 --- a/executor/infoschema_reader.go +++ b/executor/infoschema_reader.go @@ -1550,7 +1550,7 @@ func (e *tableStorageStatsRetriever) initialize(sctx sessionctx.Context) error { // Filter the sys or memory schema. for schema := range schemas { - if !util.IsMemOrSysDB(schema) { + if !util.IsMemDB(schema) { databases = append(databases, schema) } } diff --git a/executor/infoschema_reader_test.go b/executor/infoschema_reader_test.go index 8a4f16fa6c760..dde740ceb0687 100644 --- a/executor/infoschema_reader_test.go +++ b/executor/infoschema_reader_test.go @@ -821,8 +821,7 @@ func (s *testInfoschemaClusterTableSuite) TestTableStorageStats(c *C) { // Test it would get null set when get the sys schema. tk.MustQuery("select TABLE_NAME from information_schema.TABLE_STORAGE_STATS where TABLE_SCHEMA = 'information_schema';").Check([][]interface{}{}) - tk.MustQuery("select TABLE_NAME from information_schema.TABLE_STORAGE_STATS where TABLE_SCHEMA = 'mysql';").Check([][]interface{}{}) - tk.MustQuery("select TABLE_NAME from information_schema.TABLE_STORAGE_STATS where TABLE_SCHEMA in ('mysql', 'metrics_schema');").Check([][]interface{}{}) + tk.MustQuery("select TABLE_NAME from information_schema.TABLE_STORAGE_STATS where TABLE_SCHEMA in ('information_schema', 'metrics_schema');").Check([][]interface{}{}) tk.MustQuery("select TABLE_NAME from information_schema.TABLE_STORAGE_STATS where TABLE_SCHEMA = 'information_schema' and TABLE_NAME='schemata';").Check([][]interface{}{}) tk.MustExec("use test") @@ -838,6 +837,7 @@ func (s *testInfoschemaClusterTableSuite) TestTableStorageStats(c *C) { tk.MustQuery("select TABLE_SCHEMA, sum(TABLE_SIZE) from information_schema.TABLE_STORAGE_STATS where TABLE_SCHEMA = 'test' group by TABLE_SCHEMA;").Check(testkit.Rows( "test 2", )) + c.Assert(len(tk.MustQuery("select TABLE_NAME from information_schema.TABLE_STORAGE_STATS where TABLE_SCHEMA = 'mysql';").Rows()), Equals, 22) } func (s *testInfoschemaTableSuite) TestSequences(c *C) { From 052d7169553ef7c12e5204cde80c09a9303527aa Mon Sep 17 00:00:00 2001 From: cfzjywxk Date: Thu, 10 Dec 2020 21:16:21 +0800 Subject: [PATCH 0444/1021] test: stablize test case (#21643) --- session/pessimistic_test.go | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/session/pessimistic_test.go b/session/pessimistic_test.go index ada32ad2e68b1..c4ad972a08e5c 100644 --- a/session/pessimistic_test.go +++ b/session/pessimistic_test.go @@ -384,6 +384,11 @@ func (s *testPessimisticSuite) TestLockUnchangedRowKey(c *C) { } func (s *testPessimisticSuite) TestOptimisticConflicts(c *C) { + // To avoid the resolve lock request arrives earlier before heartbeat request while lock expires. + atomic.StoreUint64(&tikv.ManagedLockTTL, 1000) + defer func() { + atomic.StoreUint64(&tikv.ManagedLockTTL, 300) + }() tk := testkit.NewTestKitWithInit(c, s.store) tk2 := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("drop table if exists conflict") From 07b57065a8e07c0c279be61a758d2755db201064 Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Fri, 11 Dec 2020 14:02:35 +0800 Subject: [PATCH 0445/1021] planner: make TestPreferRangeScan stable (#21657) --- planner/core/integration_test.go | 31 ------------ planner/core/plan_test.go | 48 +++++++++++++++++++ .../testdata/plan_normalized_suite_in.json | 7 +++ .../testdata/plan_normalized_suite_out.json | 21 ++++++++ 4 files changed, 76 insertions(+), 31 deletions(-) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 2fb86100d7419..47fbb59517059 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1972,37 +1972,6 @@ func (s *testIntegrationSuite) TestUpdateSetDefault(c *C) { "[planner:3105]The value specified for generated column 'z' in table 'tt' is not allowed.") } -func (s *testIntegrationSerialSuite) TestPreferRangeScan(c *C) { - tk := testkit.NewTestKit(c, s.store) - tk.MustExec("use test") - tk.MustExec("drop table if exists test;") - tk.MustExec("create table test(`id` int(10) NOT NULL AUTO_INCREMENT,`name` varchar(50) NOT NULL DEFAULT 'tidb',`age` int(11) NOT NULL,`addr` varchar(50) DEFAULT 'The ocean of stars',PRIMARY KEY (`id`),KEY `idx_age` (`age`))") - tk.MustExec("insert into test(age) values(5);") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") - tk.MustExec("analyze table test;") - tk.MustExec("set session tidb_opt_prefer_range_scan=0") - tk.MustQuery("explain select * from test where age=5").Check(testkit.Rows( - "TableReader_7 2048.00 root data:Selection_6", - "└─Selection_6 2048.00 cop[tikv] eq(test.test.age, 5)", - " └─TableFullScan_5 2048.00 cop[tikv] table:test keep order:false")) - - tk.MustExec("set session tidb_opt_prefer_range_scan=1") - tk.MustQuery("explain select * from test where age=5").Check(testkit.Rows( - "IndexLookUp_7 2048.00 root ", - "├─IndexRangeScan_5(Build) 2048.00 cop[tikv] table:test, index:idx_age(age) range:[5,5], keep order:false", - "└─TableRowIDScan_6(Probe) 2048.00 cop[tikv] table:test keep order:false")) -} - func (s *testIntegrationSuite) TestCorrelatedColumnAggFuncPushDown(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") diff --git a/planner/core/plan_test.go b/planner/core/plan_test.go index cdf61b0b56afc..c7dc88607892b 100644 --- a/planner/core/plan_test.go +++ b/planner/core/plan_test.go @@ -58,6 +58,54 @@ func (s *testPlanNormalize) TearDownSuite(c *C) { testleak.AfterTest(c)() } +func (s *testPlanNormalize) TestPreferRangeScan(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists test;") + tk.MustExec("create table test(`id` int(10) NOT NULL AUTO_INCREMENT,`name` varchar(50) NOT NULL DEFAULT 'tidb',`age` int(11) NOT NULL,`addr` varchar(50) DEFAULT 'The ocean of stars',PRIMARY KEY (`id`),KEY `idx_age` (`age`))") + tk.MustExec("insert into test(age) values(5);") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("insert into test(name,age,addr) select name,age,addr from test;") + tk.MustExec("analyze table test;") + var input []string + var output []struct { + SQL string + Plan []string + } + s.testData.GetTestCases(c, &input, &output) + for i, tt := range input { + if i == 0 { + tk.MustExec("set session tidb_opt_prefer_range_scan=0") + } else if i == 1 { + tk.MustExec("set session tidb_opt_prefer_range_scan=1") + } + tk.Se.GetSessionVars().PlanID = 0 + tk.MustExec(tt) + info := tk.Se.ShowProcess() + c.Assert(info, NotNil) + p, ok := info.Plan.(core.Plan) + c.Assert(ok, IsTrue) + normalized, _ := core.NormalizePlan(p) + normalizedPlan, err := plancodec.DecodeNormalizedPlan(normalized) + normalizedPlanRows := getPlanRows(normalizedPlan) + c.Assert(err, IsNil) + s.testData.OnRecord(func() { + output[i].SQL = tt + output[i].Plan = normalizedPlanRows + }) + compareStringSlice(c, normalizedPlanRows, output[i].Plan) + } +} + func (s *testPlanNormalize) TestNormalizedPlan(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/planner/core/testdata/plan_normalized_suite_in.json b/planner/core/testdata/plan_normalized_suite_in.json index c468178f2f71d..3c3c9e7fe6169 100644 --- a/planner/core/testdata/plan_normalized_suite_in.json +++ b/planner/core/testdata/plan_normalized_suite_in.json @@ -32,6 +32,13 @@ "select * from t4 where a=20" ] }, + { + "name": "TestPreferRangeScan", + "cases": [ + "select * from test where age=5;", + "select * from test where age=5;" + ] + }, { "name": "TestNormalizedPlanForDiffStore", "cases": [ diff --git a/planner/core/testdata/plan_normalized_suite_out.json b/planner/core/testdata/plan_normalized_suite_out.json index bf73fa41d21cc..ef5c3e50f0a4d 100644 --- a/planner/core/testdata/plan_normalized_suite_out.json +++ b/planner/core/testdata/plan_normalized_suite_out.json @@ -234,6 +234,27 @@ } ] }, + { + "Name": "TestPreferRangeScan", + "Cases": [ + { + "SQL": "select * from test where age=5;", + "Plan": [ + " TableReader root ", + " └─Selection cop eq(test.test.age, ?)", + " └─TableScan cop table:test, range:[?,?], keep order:false" + ] + }, + { + "SQL": "select * from test where age=5;", + "Plan": [ + " IndexLookUp root ", + " ├─IndexScan cop table:test, index:idx_age(age), range:[?,?], keep order:false", + " └─TableScan cop table:test, keep order:false" + ] + } + ] + }, { "Name": "TestNormalizedPlanForDiffStore", "Cases": [ From 081ab5fb84658228e09ae3822232bbcaaa7422a1 Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Fri, 11 Dec 2020 14:26:51 +0800 Subject: [PATCH 0446/1021] expression: fix using tidb_decode_plan to decode plan and query in information_schema.slow_query returns error (#21648) --- expression/builtin_info.go | 5 ++++- expression/integration_test.go | 4 ++++ 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/expression/builtin_info.go b/expression/builtin_info.go index 993f4a869f954..5a431af3033de 100644 --- a/expression/builtin_info.go +++ b/expression/builtin_info.go @@ -803,7 +803,10 @@ func (b *builtinTiDBDecodePlanSig) evalString(row chunk.Row) (string, bool, erro return "", isNull, err } planTree, err := plancodec.DecodePlan(planString) - return planTree, false, err + if err != nil { + return planString, false, nil + } + return planTree, false, nil } type nextValFunctionClass struct { diff --git a/expression/integration_test.go b/expression/integration_test.go index 5842396d885cc..a99ac047b414d 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -4649,6 +4649,10 @@ func (s *testIntegrationSuite) TestTiDBDecodePlanFunc(c *C) { "\t └─IndexReader_28 \troot\t1 \tindex:Limit_27 \t1 \ttime:216.85µs, loops:1, rpc num: 1, rpc time:150.824µs, proc keys:0\t198 Bytes\tN/A\n" + "\t └─Limit_27 \tcop \t1 \toffset:0, count:1 \t1 \ttime:57.396µs, loops:2 \tN/A \tN/A\n" + "\t └─IndexScan_26\tcop \t1 \ttable:t, index:idx(a), range:(0,+inf], keep order:true, desc\t1 \ttime:56.661µs, loops:1 \tN/A \tN/A")) + + // Test issue16939 + tk.MustQuery("select tidb_decode_plan(query), time from information_schema.slow_query order by time desc limit 1;") + tk.MustQuery("select tidb_decode_plan('xxx')").Check(testkit.Rows("xxx")) } func (s *testIntegrationSuite) TestTiDBInternalFunc(c *C) { From 6e1c2ac8a234b5e8ce32d4a51b68242dee92b54f Mon Sep 17 00:00:00 2001 From: season Date: Fri, 11 Dec 2020 14:55:22 +0800 Subject: [PATCH 0447/1021] executor: fix LEAD and LAG's default value can not adapt to field type (#20747) --- executor/aggfuncs/builder.go | 21 ++++++++++++++------- expression/integration_test.go | 9 +++++++++ 2 files changed, 23 insertions(+), 7 deletions(-) diff --git a/executor/aggfuncs/builder.go b/executor/aggfuncs/builder.go index ea8b6ec6a97b6..877413c7300b1 100644 --- a/executor/aggfuncs/builder.go +++ b/executor/aggfuncs/builder.go @@ -94,9 +94,9 @@ func BuildWindowFunctions(ctx sessionctx.Context, windowFuncDesc *aggregation.Ag case ast.WindowFuncPercentRank: return buildPercenRank(ordinal, orderByCols) case ast.WindowFuncLead: - return buildLead(windowFuncDesc, ordinal) + return buildLead(ctx, windowFuncDesc, ordinal) case ast.WindowFuncLag: - return buildLag(windowFuncDesc, ordinal) + return buildLag(ctx, windowFuncDesc, ordinal) case ast.AggFuncMax: // The max/min aggFunc using in the window function will using the sliding window algo. return buildMaxMinInWindowFunction(windowFuncDesc, ordinal, true) @@ -692,7 +692,7 @@ func buildPercenRank(ordinal int, orderByCols []*expression.Column) AggFunc { return &percentRank{baseAggFunc: base, rowComparer: buildRowComparer(orderByCols)} } -func buildLeadLag(aggFuncDesc *aggregation.AggFuncDesc, ordinal int) baseLeadLag { +func buildLeadLag(ctx sessionctx.Context, aggFuncDesc *aggregation.AggFuncDesc, ordinal int) baseLeadLag { offset := uint64(1) if len(aggFuncDesc.Args) >= 2 { offset, _, _ = expression.GetUint64FromConstant(aggFuncDesc.Args[1]) @@ -701,6 +701,13 @@ func buildLeadLag(aggFuncDesc *aggregation.AggFuncDesc, ordinal int) baseLeadLag defaultExpr = expression.NewNull() if len(aggFuncDesc.Args) == 3 { defaultExpr = aggFuncDesc.Args[2] + switch et := defaultExpr.(type) { + case *expression.Constant: + res, err1 := et.Value.ConvertTo(ctx.GetSessionVars().StmtCtx, aggFuncDesc.RetTp) + if err1 == nil { + defaultExpr = &expression.Constant{Value: res, RetType: aggFuncDesc.RetTp} + } + } } base := baseAggFunc{ args: aggFuncDesc.Args, @@ -710,10 +717,10 @@ func buildLeadLag(aggFuncDesc *aggregation.AggFuncDesc, ordinal int) baseLeadLag return baseLeadLag{baseAggFunc: base, offset: offset, defaultExpr: defaultExpr, valueEvaluator: ve} } -func buildLead(aggFuncDesc *aggregation.AggFuncDesc, ordinal int) AggFunc { - return &lead{buildLeadLag(aggFuncDesc, ordinal)} +func buildLead(ctx sessionctx.Context, aggFuncDesc *aggregation.AggFuncDesc, ordinal int) AggFunc { + return &lead{buildLeadLag(ctx, aggFuncDesc, ordinal)} } -func buildLag(aggFuncDesc *aggregation.AggFuncDesc, ordinal int) AggFunc { - return &lag{buildLeadLag(aggFuncDesc, ordinal)} +func buildLag(ctx sessionctx.Context, aggFuncDesc *aggregation.AggFuncDesc, ordinal int) AggFunc { + return &lag{buildLeadLag(ctx, aggFuncDesc, ordinal)} } diff --git a/expression/integration_test.go b/expression/integration_test.go index a99ac047b414d..32f4f6726bdbe 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7783,6 +7783,15 @@ func (s *testIntegrationSuite) TestIssue20180(c *C) { tk.MustQuery("select * from t where a > 1 and a = \"b\";").Check(testkit.Rows("b")) } +func (s *testIntegrationSuite) TestIssue11755(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists lt;") + tk.MustExec("create table lt (d decimal(10, 4));") + tk.MustExec("insert into lt values(0.2),(0.2);") + tk.MustQuery("select LEAD(d,1,1) OVER(), LAG(d,1,1) OVER() from lt;").Check(testkit.Rows("0.2000 1.0000", "1.0000 0.2000")) +} + func (s *testIntegrationSuite) TestIssue20369(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") From 499a31f3c315d0cd3f1fc41b626140bd1eefabb0 Mon Sep 17 00:00:00 2001 From: Zhuomin Liu Date: Fri, 11 Dec 2020 15:37:16 +0800 Subject: [PATCH 0448/1021] server: fix float fmt returned to mysql client (#21660) --- expression/integration_test.go | 4 ++++ server/util.go | 4 ++-- server/util_test.go | 14 +++++++++++++- 3 files changed, 19 insertions(+), 3 deletions(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index 32f4f6726bdbe..a5fbf388f9736 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -606,6 +606,10 @@ func (s *testIntegrationSuite2) TestMathBuiltin(c *C) { result.Check(testkit.Rows("123 123.5 123.46 123.456 123.4560 120 100 0 0")) result = tk.MustQuery("SELECT ROUND(123456E-3, 0), ROUND(123456E-3, 1), ROUND(123456E-3, 2), ROUND(123456E-3, 3), ROUND(123456E-3, 4), ROUND(123456E-3, -1), ROUND(123456E-3, -2), ROUND(123456E-3, -3), ROUND(123456E-3, -4);") result.Check(testkit.Rows("123 123.5 123.46 123.456 123.456 120 100 0 0")) // TODO: Column 5 should be 123.4560 + result = tk.MustQuery("SELECT ROUND(1e14, 1), ROUND(1e15, 1), ROUND(1e308, 1)") + result.Check(testkit.Rows("100000000000000 1000000000000000 100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")) + result = tk.MustQuery("SELECT ROUND(1e-14, 1), ROUND(1e-15, 1), ROUND(1e-308, 1)") + result.Check(testkit.Rows("0 0 0")) // for truncate result = tk.MustQuery("SELECT truncate(123, -2), truncate(123, 2), truncate(123, 1), truncate(123, -1);") diff --git a/server/util.go b/server/util.go index b4034730b276b..27d739c83043f 100644 --- a/server/util.go +++ b/server/util.go @@ -371,9 +371,9 @@ func appendFormatFloat(in []byte, fVal float64, prec, bitSize int) []byte { } isEFormat := false if bitSize == 32 { - isEFormat = (prec == types.UnspecifiedLength && (float32(absVal) >= expFormatBig || (float32(absVal) != 0 && float32(absVal) < expFormatSmall))) + isEFormat = float32(absVal) >= expFormatBig || (float32(absVal) != 0 && float32(absVal) < expFormatSmall) } else { - isEFormat = (prec == types.UnspecifiedLength && (absVal >= expFormatBig || (absVal != 0 && absVal < expFormatSmall))) + isEFormat = absVal >= expFormatBig || (absVal != 0 && absVal < expFormatSmall) } var out []byte if isEFormat { diff --git a/server/util_test.go b/server/util_test.go index a8a7d68f5906d..1e1fe6d8e1115 100644 --- a/server/util_test.go +++ b/server/util_test.go @@ -333,7 +333,7 @@ func (s *testUtilSuite) TestAppendFormatFloat(c *C) { }, { 0.0000000000000009, - "0.000", + "9e-16", 3, 64, }, @@ -415,6 +415,18 @@ func (s *testUtilSuite) TestAppendFormatFloat(c *C) { -1, 64, }, + { + 1e14, + "100000000000000", + -1, + 64, + }, + { + 1e308, + "1e308", + -1, + 64, + }, } for _, t := range tests { c.Assert(string(appendFormatFloat(nil, t.fVal, t.prec, t.bitSize)), Equals, t.out) From b65e41d4715e8296a99b0cb28e371a20c3b3f9b0 Mon Sep 17 00:00:00 2001 From: Jack Yu Date: Fri, 11 Dec 2020 16:03:21 +0800 Subject: [PATCH 0449/1021] *: make TestPointGetReadLock stable (#21664) Signed-off-by: Shuaipeng Yu --- executor/point_get_test.go | 25 ++++++++++++++----------- 1 file changed, 14 insertions(+), 11 deletions(-) diff --git a/executor/point_get_test.go b/executor/point_get_test.go index 3a8f8754f702f..485dda78ee55b 100644 --- a/executor/point_get_test.go +++ b/executor/point_get_test.go @@ -598,7 +598,13 @@ func (s *testPointGetSuite) TestClusterIndexCBOPointGet(c *C) { } } -func (s *testPointGetSuite) TestPointGetReadLock(c *C) { +func (s *testSerialSuite) mustExecDDL(tk *testkit.TestKit, c *C, sql string) { + tk.MustExec(sql) + c.Assert(s.domain.Reload(), IsNil) +} + +func (s *testSerialSuite) TestPointGetReadLock(c *C) { + defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { conf.EnableTableLock = true }) @@ -607,7 +613,7 @@ func (s *testPointGetSuite) TestPointGetReadLock(c *C) { tk.MustExec("create table point (id int primary key, c int, d varchar(10), unique c_d (c, d))") tk.MustExec("insert point values (1, 1, 'a')") tk.MustExec("insert point values (2, 2, 'b')") - tk.MustExec("lock tables point read") + s.mustExecDDL(tk, c, "lock tables point read") rows := tk.MustQuery("explain analyze select * from point where id = 1").Rows() c.Assert(len(rows), Equals, 1) @@ -619,17 +625,15 @@ func (s *testPointGetSuite) TestPointGetReadLock(c *C) { explain = fmt.Sprintf("%v", rows[0]) ok := strings.Contains(explain, "num_rpc") c.Assert(ok, IsFalse) - tk.MustExec("unlock tables") + s.mustExecDDL(tk, c, "unlock tables") - // Force reload schema to ensure the cache is released. - c.Assert(s.dom.Reload(), IsNil) rows = tk.MustQuery("explain analyze select * from point where id = 1").Rows() c.Assert(len(rows), Equals, 1) explain = fmt.Sprintf("%v", rows[0]) c.Assert(explain, Matches, ".*num_rpc.*") // Test cache release after unlocking tables. - tk.MustExec("lock tables point read") + s.mustExecDDL(tk, c, "lock tables point read") rows = tk.MustQuery("explain analyze select * from point where id = 1").Rows() c.Assert(len(rows), Equals, 1) explain = fmt.Sprintf("%v", rows[0]) @@ -641,20 +645,19 @@ func (s *testPointGetSuite) TestPointGetReadLock(c *C) { ok = strings.Contains(explain, "num_rpc") c.Assert(ok, IsFalse) - tk.MustExec("unlock tables") - // Force reload schema to ensure the cache is released. - c.Assert(s.dom.Reload(), IsNil) - tk.MustExec("lock tables point read") + s.mustExecDDL(tk, c, "unlock tables") + s.mustExecDDL(tk, c, "lock tables point read") rows = tk.MustQuery("explain analyze select * from point where id = 1").Rows() c.Assert(len(rows), Equals, 1) explain = fmt.Sprintf("%v", rows[0]) c.Assert(explain, Matches, ".*num_rpc.*") - tk.MustExec("unlock tables") + s.mustExecDDL(tk, c, "unlock tables") } func (s *testPointGetSuite) TestPointGetWriteLock(c *C) { + defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { conf.EnableTableLock = true }) From 5435f215ee61ae94a025d717fcc912937d526c9f Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Fri, 11 Dec 2020 16:33:22 +0800 Subject: [PATCH 0450/1021] executor: add error trace to investigate unstable test Issue16696 (#21668) --- executor/sort_test.go | 5 +++++ util/chunk/disk.go | 5 +++-- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/executor/sort_test.go b/executor/sort_test.go index d1c20e2a6b7ca..32ded8ff0da71 100644 --- a/executor/sort_test.go +++ b/executor/sort_test.go @@ -21,6 +21,7 @@ import ( . "github.com/pingcap/check" "github.com/pingcap/failpoint" "github.com/pingcap/tidb/config" + "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/testkit" ) @@ -85,6 +86,10 @@ func (s *testSerialSuite1) TestIssue16696(c *C) { config.UpdateGlobal(func(conf *config.Config) { conf.OOMUseTmpStorage = true }) + alarmRatio := variable.MemoryUsageAlarmRatio.Load() + variable.MemoryUsageAlarmRatio.Store(0.0) + defer variable.MemoryUsageAlarmRatio.Store(alarmRatio) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/executor/testSortedRowContainerSpill", "return(true)"), IsNil) defer func() { c.Assert(failpoint.Disable("github.com/pingcap/tidb/executor/testSortedRowContainerSpill"), IsNil) diff --git a/util/chunk/disk.go b/util/chunk/disk.go index e2d5bf90c0cd8..c7962c9aa9e9d 100644 --- a/util/chunk/disk.go +++ b/util/chunk/disk.go @@ -21,6 +21,7 @@ import ( "strconv" "sync" + errors2 "github.com/pingcap/errors" "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/types" @@ -68,7 +69,7 @@ func (l *ListInDisk) initDiskFile() (err error) { } l.disk, err = ioutil.TempFile(config.GetGlobalConfig().TempStoragePath, defaultChunkListInDiskPath+strconv.Itoa(l.diskTracker.Label())) if err != nil { - return + return errors2.Trace(err) } var underlying io.WriteCloser = l.disk if config.GetGlobalConfig().Security.SpilledFileEncryptionMethod != config.SpilledFileEncryptionMethodPlaintext { @@ -116,7 +117,7 @@ func (l *ListInDisk) flush() (err error) { // after calling l.w.Close, we need to reopen it before reading rows. l.disk, err = os.Open(l.disk.Name()) if err != nil { - return + return errors2.Trace(err) } } return From 579022cdf38aafd5fdf4064e467e50dcf4e74722 Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Fri, 11 Dec 2020 16:47:52 +0800 Subject: [PATCH 0451/1021] expression, types: fix unexpected result from TIME() when fsp digits > 6 (#21652) --- expression/integration_test.go | 4 ++++ types/fsp.go | 4 +++- types/fsp_test.go | 12 ++++++------ types/time_test.go | 1 - 4 files changed, 13 insertions(+), 8 deletions(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index a5fbf388f9736..805010c0c796c 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -1700,6 +1700,10 @@ func (s *testIntegrationSuite2) TestTimeBuiltin(c *C) { // result = tk.MustQuery("select time('2003-12-10-10 01:02:03.000123')") // result.Check(testkit.Rows("00:20:03") + // Issue 20995 + result = tk.MustQuery("select time('0.1234567')") + result.Check(testkit.Rows("00:00:00.123457")) + // for hour result = tk.MustQuery(`SELECT hour("12:13:14.123456"), hour("12:13:14.000010"), hour("272:59:55"), hour(020005), hour(null), hour("27aaaa2:59:55");`) result.Check(testkit.Rows("12 12 272 2 ")) diff --git a/types/fsp.go b/types/fsp.go index 1059c9d5dd789..a3b15c61389b6 100644 --- a/types/fsp.go +++ b/types/fsp.go @@ -38,8 +38,10 @@ func CheckFsp(fsp int) (int8, error) { if fsp == int(UnspecifiedFsp) { return DefaultFsp, nil } - if fsp < int(MinFsp) || fsp > int(MaxFsp) { + if fsp < int(MinFsp) { return DefaultFsp, errors.Errorf("Invalid fsp %d", fsp) + } else if fsp > int(MaxFsp) { + return MaxFsp, nil } return int8(fsp), nil } diff --git a/types/fsp_test.go b/types/fsp_test.go index 0288dffeca737..f8e3b210b6300 100644 --- a/types/fsp_test.go +++ b/types/fsp_test.go @@ -43,16 +43,16 @@ func (s *FspTest) TestCheckFsp(c *C) { c.Assert(err, IsNil) obtained, err = CheckFsp(int(MaxFsp) + 1) - c.Assert(obtained, Equals, DefaultFsp) - c.Assert(err, ErrorMatches, "Invalid fsp "+strconv.Itoa(int(MaxFsp)+1)) + c.Assert(obtained, Equals, MaxFsp) + c.Assert(err, IsNil) obtained, err = CheckFsp(int(MaxFsp) + 2019) - c.Assert(obtained, Equals, DefaultFsp) - c.Assert(err, ErrorMatches, "Invalid fsp "+strconv.Itoa(int(MaxFsp)+2019)) + c.Assert(obtained, Equals, MaxFsp) + c.Assert(err, IsNil) obtained, err = CheckFsp(int(MaxFsp) + 4294967296) - c.Assert(obtained, Equals, DefaultFsp) - c.Assert(err, ErrorMatches, "Invalid fsp "+strconv.Itoa(int(MaxFsp)+4294967296)) + c.Assert(obtained, Equals, MaxFsp) + c.Assert(err, IsNil) obtained, err = CheckFsp(int(MaxFsp+MinFsp) / 2) c.Assert(obtained, Equals, (MaxFsp+MinFsp)/2) diff --git a/types/time_test.go b/types/time_test.go index 31003c74fce38..48b098bc5f663 100644 --- a/types/time_test.go +++ b/types/time_test.go @@ -484,7 +484,6 @@ func (s *testTimeSuite) TestTimeFsp(c *C) { Fsp int8 }{ {"00:00:00.1", -2}, - {"00:00:00.1", 7}, } for _, test := range errTable { From f0c6fa9c256d1cec786f0e90849dcff2218d97f1 Mon Sep 17 00:00:00 2001 From: Zhuomin Liu Date: Fri, 11 Dec 2020 17:13:21 +0800 Subject: [PATCH 0452/1021] expression: fix compatibility of extract day_time unit functions (#21601) Signed-off-by: lzmhhh123 --- cmd/explaintest/r/tpch.result | 6 ++--- expression/builtin_time.go | 36 +++++++++++++++++++++++++++-- expression/builtin_time_vec.go | 3 ++- expression/builtin_time_vec_test.go | 2 ++ expression/integration_test.go | 8 +++++++ types/time.go | 8 +++++++ types/time_test.go | 4 ++++ 7 files changed, 61 insertions(+), 6 deletions(-) diff --git a/cmd/explaintest/r/tpch.result b/cmd/explaintest/r/tpch.result index 4b8a8a827c95e..317fd2a184f30 100644 --- a/cmd/explaintest/r/tpch.result +++ b/cmd/explaintest/r/tpch.result @@ -446,7 +446,7 @@ id estRows task access object operator info Sort_22 769.96 root tpch.nation.n_name, tpch.nation.n_name, Column#50 └─Projection_24 769.96 root tpch.nation.n_name, tpch.nation.n_name, Column#50, Column#52 └─HashAgg_27 769.96 root group by:Column#50, tpch.nation.n_name, tpch.nation.n_name, funcs:sum(Column#51)->Column#52, funcs:firstrow(tpch.nation.n_name)->tpch.nation.n_name, funcs:firstrow(tpch.nation.n_name)->tpch.nation.n_name, funcs:firstrow(Column#50)->Column#50 - └─Projection_28 1957240.42 root tpch.nation.n_name, tpch.nation.n_name, extract(YEAR, tpch.lineitem.l_shipdate)->Column#50, mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#51 + └─Projection_28 1957240.42 root tpch.nation.n_name, tpch.nation.n_name, extract(YEAR, cast(tpch.lineitem.l_shipdate, var_string(10)))->Column#50, mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#51 └─HashJoin_40 1957240.42 root inner join, equal:[eq(tpch.customer.c_nationkey, tpch.nation.n_nationkey)], other cond:or(and(eq(tpch.nation.n_name, "JAPAN"), eq(tpch.nation.n_name, "INDIA")), and(eq(tpch.nation.n_name, "INDIA"), eq(tpch.nation.n_name, "JAPAN"))) ├─TableReader_94(Build) 2.00 root data:Selection_93 │ └─Selection_93 2.00 cop[tikv] or(eq(tpch.nation.n_name, "INDIA"), eq(tpch.nation.n_name, "JAPAN")) @@ -519,7 +519,7 @@ Sort_29 719.02 root Column#62 └─Projection_31 719.02 root Column#62, div(Column#64, Column#65)->Column#66 └─HashAgg_34 719.02 root group by:Column#78, funcs:sum(Column#75)->Column#64, funcs:sum(Column#76)->Column#65, funcs:firstrow(Column#77)->Column#62 └─Projection_123 563136.02 root case(eq(tpch.nation.n_name, INDIA), Column#63, 0)->Column#75, Column#63, Column#62, Column#62 - └─Projection_35 563136.02 root extract(YEAR, tpch.orders.o_orderdate)->Column#62, mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#63, tpch.nation.n_name + └─Projection_35 563136.02 root extract(YEAR, cast(tpch.orders.o_orderdate, var_string(10)))->Column#62, mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#63, tpch.nation.n_name └─HashJoin_45 563136.02 root inner join, equal:[eq(tpch.supplier.s_nationkey, tpch.nation.n_nationkey)] ├─TableReader_121(Build) 25.00 root data:TableFullScan_120 │ └─TableFullScan_120 25.00 cop[tikv] table:n2 keep order:false @@ -594,7 +594,7 @@ id estRows task access object operator info Sort_25 2406.00 root tpch.nation.n_name, Column#53:desc └─Projection_27 2406.00 root tpch.nation.n_name, Column#53, Column#55 └─HashAgg_30 2406.00 root group by:Column#53, tpch.nation.n_name, funcs:sum(Column#54)->Column#55, funcs:firstrow(tpch.nation.n_name)->tpch.nation.n_name, funcs:firstrow(Column#53)->Column#53 - └─Projection_31 241379546.70 root tpch.nation.n_name, extract(YEAR, tpch.orders.o_orderdate)->Column#53, minus(mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount)), mul(tpch.partsupp.ps_supplycost, tpch.lineitem.l_quantity))->Column#54 + └─Projection_31 241379546.70 root tpch.nation.n_name, extract(YEAR, cast(tpch.orders.o_orderdate, var_string(10)))->Column#53, minus(mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount)), mul(tpch.partsupp.ps_supplycost, tpch.lineitem.l_quantity))->Column#54 └─HashJoin_42 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)] ├─TableReader_117(Build) 75000000.00 root data:TableFullScan_116 │ └─TableFullScan_116 75000000.00 cop[tikv] table:orders keep order:false diff --git a/expression/builtin_time.go b/expression/builtin_time.go index 3cfe52bb7f987..370632aa7f177 100644 --- a/expression/builtin_time.go +++ b/expression/builtin_time.go @@ -2631,10 +2631,15 @@ func (c *extractFunctionClass) getFunction(ctx sessionctx.Context, args []Expres } var bf baseBuiltinFunc if isDatetimeUnit { - bf, err = newBaseBuiltinFuncWithTp(ctx, c.funcName, args, types.ETInt, types.ETString, types.ETDatetime) + decimalArg1 := int(types.MaxFsp) + if args[1].GetType().EvalType() != types.ETString { + decimalArg1 = 0 + } + bf, err = newBaseBuiltinFuncWithTp(ctx, c.funcName, args, types.ETInt, types.ETString, types.ETString) if err != nil { return nil, err } + bf.args[1].GetType().Decimal = decimalArg1 sig = &builtinExtractDatetimeSig{bf} sig.setPbCode(tipb.ScalarFuncSig_ExtractDatetime) } else { @@ -2665,11 +2670,38 @@ func (b *builtinExtractDatetimeSig) evalInt(row chunk.Row) (int64, bool, error) if isNull || err != nil { return 0, isNull, err } - dt, isNull, err := b.args[1].EvalTime(b.ctx, row) + dtStr, isNull, err := b.args[1].EvalString(b.ctx, row) if isNull || err != nil { return 0, isNull, err } + sc := b.ctx.GetSessionVars().StmtCtx + switch strings.ToUpper(unit) { + case "DAY_MICROSECOND", "DAY_SECOND", "DAY_MINUTE", "DAY_HOUR": + dur, err := types.ParseDuration(sc, dtStr, types.GetFsp(dtStr)) + if err != nil { + return 0, true, err + } + res, err := types.ExtractDurationNum(&dur, unit) + if err != nil { + return 0, true, err + } + dt, err := types.ParseDatetime(sc, dtStr) + if err != nil { + return res, false, nil + } + if dt.Hour() == dur.Hour() && dt.Minute() == dur.Minute() && dt.Second() == dur.Second() && dt.Year() > 0 { + res, err = types.ExtractDatetimeNum(&dt, unit) + } + return res, err != nil, err + } + dt, err := types.ParseDatetime(sc, dtStr) + if err != nil { + if !terror.ErrorEqual(err, types.ErrWrongValue) { + return 0, true, err + } + } if dt.IsZero() { + dt.SetFsp(int8(b.args[1].GetType().Decimal)) if b.ctx.GetSessionVars().SQLMode.HasNoZeroDateMode() { isNull, err := handleInvalidZeroTime(b.ctx, dt) return 0, isNull, err diff --git a/expression/builtin_time_vec.go b/expression/builtin_time_vec.go index 2865a39b0239a..063748a5c3a55 100644 --- a/expression/builtin_time_vec.go +++ b/expression/builtin_time_vec.go @@ -206,7 +206,8 @@ func (b *builtinSysDateWithoutFspSig) vecEvalTime(input *chunk.Chunk, result *ch } func (b *builtinExtractDatetimeSig) vectorized() bool { - return true + // TODO: to fix https://github.com/pingcap/tidb/issues/9716 in vectorized evaluation. + return false } func (b *builtinExtractDatetimeSig) vecEvalInt(input *chunk.Chunk, result *chunk.Column) error { diff --git a/expression/builtin_time_vec_test.go b/expression/builtin_time_vec_test.go index 44a5204567257..2e993bf8e2a42 100644 --- a/expression/builtin_time_vec_test.go +++ b/expression/builtin_time_vec_test.go @@ -548,6 +548,7 @@ var vecBuiltinTimeCases = map[string][]vecExprBenchCase{ ast.LastDay: { {retEvalType: types.ETDatetime, childrenTypes: []types.EvalType{types.ETDatetime}}, }, + /* TODO: to fix https://github.com/pingcap/tidb/issues/9716 in vectorized evaluation. ast.Extract: { {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString, types.ETDatetime}, geners: []dataGenerator{newDateTimeUnitStrGener(), nil}}, {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETString, types.ETDuration}, @@ -581,6 +582,7 @@ var vecBuiltinTimeCases = map[string][]vecExprBenchCase{ constants: []*Constant{{Value: types.NewStringDatum("HOUR_MINUTE"), RetType: types.NewFieldType(mysql.TypeString)}}, }, }, + */ ast.ConvertTz: { {retEvalType: types.ETDatetime, childrenTypes: []types.EvalType{types.ETDatetime, types.ETString, types.ETString}, geners: []dataGenerator{nil, newNullWrappedGener(0.2, &tzStrGener{}), newNullWrappedGener(0.2, &tzStrGener{})}}, diff --git a/expression/integration_test.go b/expression/integration_test.go index 805010c0c796c..2375153311772 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -2065,6 +2065,14 @@ func (s *testIntegrationSuite2) TestTimeBuiltin(c *C) { // for extract result = tk.MustQuery(`select extract(day from '800:12:12'), extract(hour from '800:12:12'), extract(month from 20170101), extract(day_second from '2017-01-01 12:12:12')`) result.Check(testkit.Rows("12 800 1 1121212")) + result = tk.MustQuery("select extract(day_microsecond from '2017-01-01 12:12:12'), extract(day_microsecond from '01 12:12:12'), extract(day_microsecond from '12:12:12'), extract(day_microsecond from '01 00:00:00.89')") + result.Check(testkit.Rows("1121212000000 361212000000 121212000000 240000890000")) + result = tk.MustQuery("select extract(day_second from '2017-01-01 12:12:12'), extract(day_second from '01 12:12:12'), extract(day_second from '12:12:12'), extract(day_second from '01 00:00:00.89')") + result.Check(testkit.Rows("1121212 361212 121212 240000")) + result = tk.MustQuery("select extract(day_minute from '2017-01-01 12:12:12'), extract(day_minute from '01 12:12:12'), extract(day_minute from '12:12:12'), extract(day_minute from '01 00:00:00.89')") + result.Check(testkit.Rows("11212 3612 1212 2400")) + result = tk.MustQuery("select extract(day_hour from '2017-01-01 12:12:12'), extract(day_hour from '01 12:12:12'), extract(day_hour from '12:12:12'), extract(day_hour from '01 00:00:00.89')") + result.Check(testkit.Rows("112 36 12 24")) // for adddate, subdate dateArithmeticalTests := []struct { diff --git a/types/time.go b/types/time.go index cd353153a5057..5e7c5fa8ae924 100644 --- a/types/time.go +++ b/types/time.go @@ -2175,6 +2175,14 @@ func ExtractDurationNum(d *Duration, unit string) (int64, error) { return int64(d.Hour())*10000 + int64(d.Minute())*100 + int64(d.Second()), nil case "HOUR_MINUTE": return int64(d.Hour())*100 + int64(d.Minute()), nil + case "DAY_MICROSECOND": + return int64(d.Hour()*10000+d.Minute()*100+d.Second())*1000000 + int64(d.MicroSecond()), nil + case "DAY_SECOND": + return int64(d.Hour())*10000 + int64(d.Minute())*100 + int64(d.Second()), nil + case "DAY_MINUTE": + return int64(d.Hour())*100 + int64(d.Minute()), nil + case "DAY_HOUR": + return int64(d.Hour()), nil default: return 0, errors.Errorf("invalid unit %s", unit) } diff --git a/types/time_test.go b/types/time_test.go index 48b098bc5f663..0befea3a77f1b 100644 --- a/types/time_test.go +++ b/types/time_test.go @@ -1562,6 +1562,10 @@ func (s *testTimeSuite) TestExtractDurationNum(c *C) { {"HOUR_MICROSECOND", 31536}, {"HOUR_SECOND", 0}, {"HOUR_MINUTE", 0}, + {"DAY_MICROSECOND", 31536}, + {"DAY_SECOND", 0}, + {"DAY_MINUTE", 0}, + {"DAY_HOUR", 0}, } for _, col := range tbl { From 43d9293be894b105b3172702bb1f6b3ba96118f6 Mon Sep 17 00:00:00 2001 From: Morgan Tocker Date: Fri, 11 Dec 2020 02:31:52 -0700 Subject: [PATCH 0453/1021] types, expression, codec: agg JSON values (#21656) --- expression/integration_test.go | 25 +++++++++++++++++++++++++ types/json/binary.go | 30 ++++++++++++++++++++++++++++++ util/codec/codec.go | 4 +--- 3 files changed, 56 insertions(+), 3 deletions(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index 2375153311772..15eb49a08d23e 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7931,6 +7931,31 @@ func (s *testIntegrationSuite) TestIssue17868(c *C) { tk.MustQuery("select col2 != 1 from t7").Check(testkit.Rows("1")) } +func (s *testIntegrationSuite) TestIssue10467(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists tx2;") + tk.MustExec("create table tx2 (col json);") + tk.MustExec(`insert into tx2 values (json_array("3")),(json_array("3")),(json_array("3")),(json_array("3"));`) + tk.MustExec(`insert into tx2 values (json_array(3.0));`) + tk.MustExec(`insert into tx2 values (json_array(3));`) + tk.MustExec(`insert into tx2 values (json_array(3.0));`) + tk.MustExec(`insert into tx2 values (json_array(-3));`) + tk.MustExec(`insert into tx2 values (json_array(-3.0));`) + tk.MustExec(`insert into tx2 values (json_array(922337203685477580));`) + tk.MustExec(`insert into tx2 values (json_array(922337203685477581)),(json_array(922337203685477581)),(json_array(922337203685477581)),(json_array(922337203685477581)),(json_array(922337203685477581));`) + + // TODO: in MySQL these values will hash the same because the first is stored as JSON type DECIMAL. + // Currently TiDB does not support JSON type DECIMAL. + // See: https://github.com/pingcap/tidb/issues/9988 + // insert into tx2 values (json_array(9223372036854775808.0)); + // insert into tx2 values (json_array(9223372036854775808)); + + // ordering by a JSON col is not supported in MySQL, and the order is a bit questionable in TiDB. + // sort by count for test result stability. + tk.MustQuery("select col, count(1) c from tx2 group by col order by c desc;").Check(testkit.Rows("[922337203685477581] 5", `["3"] 4`, "[3] 3", "[-3] 2", "[922337203685477580] 1")) +} + func (s *testIntegrationSerialSuite) TestCollationIndexJoin(c *C) { collate.SetNewCollationEnabledForTest(true) defer collate.SetNewCollationEnabledForTest(false) diff --git a/types/json/binary.go b/types/json/binary.go index b631b5c0de37e..eb31dd9eb2dab 100644 --- a/types/json/binary.go +++ b/types/json/binary.go @@ -428,6 +428,36 @@ func (bj *BinaryJSON) UnmarshalJSON(data []byte) error { return nil } +// HashValue converts certain JSON values for aggregate comparisons. +// For example int64(3) == float64(3.0) +func (bj BinaryJSON) HashValue(buf []byte) []byte { + switch bj.TypeCode { + case TypeCodeInt64: + // Convert to a FLOAT if no precision is lost. + // In the future, it will be better to convert to a DECIMAL value instead + // See: https://github.com/pingcap/tidb/issues/9988 + if bj.GetInt64() == int64(float64(bj.GetInt64())) { + buf = appendBinaryFloat64(buf, float64(bj.GetInt64())) + } else { + buf = append(buf, bj.Value...) + } + case TypeCodeArray: + elemCount := int(endian.Uint32(bj.Value)) + for i := 0; i < elemCount; i++ { + buf = bj.arrayGetElem(i).HashValue(buf) + } + case TypeCodeObject: + elemCount := int(endian.Uint32(bj.Value)) + for i := 0; i < elemCount; i++ { + buf = append(buf, bj.objectGetKey(i)...) + buf = bj.objectGetVal(i).HashValue(buf) + } + default: + buf = append(buf, bj.Value...) + } + return buf +} + // CreateBinary creates a BinaryJSON from interface. func CreateBinary(in interface{}) BinaryJSON { typeCode, buf, err := appendBinary(nil, in) diff --git a/util/codec/codec.go b/util/codec/codec.go index 8ede0bb67bf27..ab9d35cea5b45 100644 --- a/util/codec/codec.go +++ b/util/codec/codec.go @@ -1249,9 +1249,7 @@ func HashGroupKey(sc *stmtctx.StatementContext, n int, col *chunk.Column, buf [] buf[i] = append(buf[i], NilFlag) } else { buf[i] = append(buf[i], jsonFlag) - j := col.GetJSON(i) - buf[i] = append(buf[i], j.TypeCode) - buf[i] = append(buf[i], j.Value...) + buf[i] = col.GetJSON(i).HashValue(buf[i]) } } case types.ETString: From 087190a6e2aadf2bdbc89f01324e5b966b39ba56 Mon Sep 17 00:00:00 2001 From: Yifan Xu <30385241+xuyifangreeneyes@users.noreply.github.com> Date: Fri, 11 Dec 2020 17:53:21 +0800 Subject: [PATCH 0454/1021] unistore: fix index-out-of-range error when unistore executes TopN (#21672) --- executor/executor_test.go | 9 +++++++++ store/mockstore/unistore/cophandler/closure_exec.go | 8 ++++---- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index 3426b711fda45..2091c87f7539e 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -7132,3 +7132,12 @@ func (s *testSuite) Test12178(c *C) { tk.MustExec("insert into ta values (JSON_EXTRACT('{\"c\": \"1234567890123456789012345678901234567890123456789012345\"}', '$.c'))") tk.MustQuery("select * from ta").Check(testkit.Rows("1234567890123456789012345678901234567890123456789012345.00")) } + +func (s *testSuite) Test15492(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int, b int)") + tk.MustExec("insert into t values (2, 20), (1, 10), (3, 30)") + tk.MustQuery("select a + 1 as field1, a as field2 from t order by field1, field2 limit 2").Check(testkit.Rows("2 1", "3 2")) +} diff --git a/store/mockstore/unistore/cophandler/closure_exec.go b/store/mockstore/unistore/cophandler/closure_exec.go index c0f79de205898..ecf91870566dd 100644 --- a/store/mockstore/unistore/cophandler/closure_exec.go +++ b/store/mockstore/unistore/cophandler/closure_exec.go @@ -495,7 +495,7 @@ func buildTopNProcessor(e *closureExecutor, topN *tipb.TopN) error { ctx := &topNCtx{ heap: heap, orderByExprs: conds, - sortRow: e.newTopNSortRow(), + sortRow: newTopNSortRow(len(conds)), execDetail: new(execDetail), } @@ -1376,7 +1376,7 @@ func (e *topNProcessor) Process(key, value []byte) (err error) { if ctx.heap.tryToAddRow(ctx.sortRow) { ctx.sortRow.data[0] = safeCopy(key) ctx.sortRow.data[1] = safeCopy(value) - ctx.sortRow = e.newTopNSortRow() + ctx.sortRow = newTopNSortRow(len(ctx.orderByExprs)) } if ctx.heap.err == nil { gotRow = true @@ -1384,9 +1384,9 @@ func (e *topNProcessor) Process(key, value []byte) (err error) { return errors.Trace(ctx.heap.err) } -func (e *closureExecutor) newTopNSortRow() *sortRow { +func newTopNSortRow(numOrderByExprs int) *sortRow { return &sortRow{ - key: make([]types.Datum, len(e.evalContext.columnInfos)), + key: make([]types.Datum, numOrderByExprs), data: make([][]byte, 2), } } From 986b14991789f3a2c92b36130a82e3633bab61ab Mon Sep 17 00:00:00 2001 From: dongyan <34701401+dyzsr@users.noreply.github.com> Date: Fri, 11 Dec 2020 18:07:53 +0800 Subject: [PATCH 0455/1021] planner: report error when ORDER BY conflicts with DISTINCT (#21286) --- errno/errcode.go | 2 + errno/errname.go | 2 + errors.toml | 10 ++++ planner/core/errors.go | 2 + planner/core/integration_test.go | 40 ++++++++++++++ planner/core/logical_plan_builder.go | 81 ++++++++++++++++++++++++---- 6 files changed, 127 insertions(+), 10 deletions(-) diff --git a/errno/errcode.go b/errno/errcode.go index 176e14fb56f76..e698b65098737 100644 --- a/errno/errcode.go +++ b/errno/errcode.go @@ -824,6 +824,8 @@ const ( ErrInvalidFieldSize = 3013 ErrInvalidArgumentForLogarithm = 3020 ErrIncorrectType = 3064 + ErrFieldInOrderNotSelect = 3065 + ErrAggregateInOrderNotSelect = 3066 ErrInvalidJSONData = 3069 ErrGeneratedColumnFunctionIsNotAllowed = 3102 ErrUnsupportedAlterInplaceOnVirtualColumn = 3103 diff --git a/errno/errname.go b/errno/errname.go index ad429246eeac7..76eb745a1013c 100644 --- a/errno/errname.go +++ b/errno/errname.go @@ -836,6 +836,8 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrInvalidFieldSize: mysql.Message("Invalid size for column '%s'.", nil), ErrInvalidArgumentForLogarithm: mysql.Message("Invalid argument for logarithm", nil), ErrIncorrectType: mysql.Message("Incorrect type for argument %s in function %s.", nil), + ErrFieldInOrderNotSelect: mysql.Message("Expression #%d of ORDER BY clause is not in SELECT list, references column '%s' which is not in SELECT list; this is incompatible with %s", nil), + ErrAggregateInOrderNotSelect: mysql.Message("Expression #%d of ORDER BY clause is not in SELECT list, contains aggregate function; this is incompatible with %s", nil), ErrInvalidJSONData: mysql.Message("Invalid JSON data provided to function %s: %s", nil), ErrInvalidJSONText: mysql.Message("Invalid JSON text: %-.192s", nil), ErrInvalidJSONPath: mysql.Message("Invalid JSON path expression %s.", nil), diff --git a/errors.toml b/errors.toml index 09cbae1841c91..08aec827a4ba9 100644 --- a/errors.toml +++ b/errors.toml @@ -936,6 +936,16 @@ error = ''' Internal : %s ''' +["planner:3065"] +error = ''' +Expression #%d of ORDER BY clause is not in SELECT list, references column '%s' which is not in SELECT list; this is incompatible with %s +''' + +["planner:3066"] +error = ''' +Expression #%d of ORDER BY clause is not in SELECT list, contains aggregate function; this is incompatible with %s +''' + ["planner:3105"] error = ''' The value specified for generated column '%s' in table '%s' is not allowed. diff --git a/planner/core/errors.go b/planner/core/errors.go index 8231a0932c151..175a76c9a824e 100644 --- a/planner/core/errors.go +++ b/planner/core/errors.go @@ -35,6 +35,8 @@ var ( ErrWrongNumberOfColumnsInSelect = dbterror.ClassOptimizer.NewStd(mysql.ErrWrongNumberOfColumnsInSelect) ErrBadGeneratedColumn = dbterror.ClassOptimizer.NewStd(mysql.ErrBadGeneratedColumn) ErrFieldNotInGroupBy = dbterror.ClassOptimizer.NewStd(mysql.ErrFieldNotInGroupBy) + ErrFieldInOrderNotSelect = dbterror.ClassOptimizer.NewStd(mysql.ErrFieldInOrderNotSelect) + ErrAggregateInOrderNotSelect = dbterror.ClassOptimizer.NewStd(mysql.ErrAggregateInOrderNotSelect) ErrBadTable = dbterror.ClassOptimizer.NewStd(mysql.ErrBadTable) ErrKeyDoesNotExist = dbterror.ClassOptimizer.NewStd(mysql.ErrKeyDoesNotExist) ErrOperandColumns = dbterror.ClassOptimizer.NewStd(mysql.ErrOperandColumns) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 47fbb59517059..3233e753ae0c4 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1972,6 +1972,46 @@ func (s *testIntegrationSuite) TestUpdateSetDefault(c *C) { "[planner:3105]The value specified for generated column 'z' in table 'tt' is not allowed.") } +func (s *testIntegrationSuite) TestOrderByNotInSelectDistinct(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + + // #12442 + tk.MustExec("drop table if exists ttest") + tk.MustExec("create table ttest (v1 int, v2 int)") + tk.MustExec("insert into ttest values(1, 2), (4,6), (1, 7)") + + tk.MustGetErrMsg("select distinct v1 from ttest order by v2", + "[planner:3065]Expression #1 of ORDER BY clause is not in SELECT list, references column 'test.ttest.v2' which is not in SELECT list; this is incompatible with DISTINCT") + tk.MustGetErrMsg("select distinct v1+1 from ttest order by v1", + "[planner:3065]Expression #1 of ORDER BY clause is not in SELECT list, references column 'test.ttest.v1' which is not in SELECT list; this is incompatible with DISTINCT") + tk.MustGetErrMsg("select distinct v1+1 from ttest order by 1+v1", + "[planner:3065]Expression #1 of ORDER BY clause is not in SELECT list, references column 'test.ttest.v1' which is not in SELECT list; this is incompatible with DISTINCT") + tk.MustGetErrMsg("select distinct v1+1 from ttest order by v1+2", + "[planner:3065]Expression #1 of ORDER BY clause is not in SELECT list, references column 'test.ttest.v1' which is not in SELECT list; this is incompatible with DISTINCT") + tk.MustGetErrMsg("select distinct count(v1) from ttest group by v2 order by sum(v1)", + "[planner:3066]Expression #1 of ORDER BY clause is not in SELECT list, contains aggregate function; this is incompatible with DISTINCT") + tk.MustGetErrMsg("select distinct sum(v1)+1 from ttest group by v2 order by sum(v1)", + "[planner:3066]Expression #1 of ORDER BY clause is not in SELECT list, contains aggregate function; this is incompatible with DISTINCT") + + // Expressions in ORDER BY whole match some fields in DISTINCT. + tk.MustQuery("select distinct v1+1 from ttest order by v1+1").Check(testkit.Rows("2", "5")) + tk.MustQuery("select distinct count(v1) from ttest order by count(v1)").Check(testkit.Rows("3")) + tk.MustQuery("select distinct count(v1) from ttest group by v2 order by count(v1)").Check(testkit.Rows("1")) + tk.MustQuery("select distinct sum(v1) from ttest group by v2 order by sum(v1)").Check(testkit.Rows("1", "4")) + tk.MustQuery("select distinct v1, v2 from ttest order by 1, 2").Check(testkit.Rows("1 2", "1 7", "4 6")) + tk.MustQuery("select distinct v1, v2 from ttest order by 2, 1").Check(testkit.Rows("1 2", "4 6", "1 7")) + + // Referenced columns of expressions in ORDER BY whole match some fields in DISTINCT, + // both original expression and alias can be referenced. + tk.MustQuery("select distinct v1 from ttest order by v1+1").Check(testkit.Rows("1", "4")) + tk.MustQuery("select distinct v1, v2 from ttest order by v1+1, v2").Check(testkit.Rows("1 2", "1 7", "4 6")) + tk.MustQuery("select distinct v1+1 as z, v2 from ttest order by v1+1, z+v2").Check(testkit.Rows("2 2", "2 7", "5 6")) + tk.MustQuery("select distinct sum(v1) as z from ttest group by v2 order by z+1").Check(testkit.Rows("1", "4")) + tk.MustQuery("select distinct sum(v1)+1 from ttest group by v2 order by sum(v1)+1").Check(testkit.Rows("2", "5")) + tk.MustQuery("select distinct v1 as z from ttest order by v1+z").Check(testkit.Rows("1", "4")) +} + func (s *testIntegrationSuite) TestCorrelatedColumnAggFuncPushDown(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index 8f01fcdc34f8c..71dfefff8c09b 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -1118,10 +1118,11 @@ func findColFromNaturalUsingJoin(p LogicalPlan, col *expression.Column) (name *t } // buildProjection returns a Projection plan and non-aux columns length. -func (b *PlanBuilder) buildProjection(ctx context.Context, p LogicalPlan, fields []*ast.SelectField, mapper map[*ast.AggregateFuncExpr]int, windowMapper map[*ast.WindowFuncExpr]int, considerWindow bool, expandGenerateColumn bool) (LogicalPlan, int, error) { +func (b *PlanBuilder) buildProjection(ctx context.Context, p LogicalPlan, fields []*ast.SelectField, mapper map[*ast.AggregateFuncExpr]int, + windowMapper map[*ast.WindowFuncExpr]int, considerWindow bool, expandGenerateColumn bool) (LogicalPlan, []expression.Expression, int, error) { err := b.preprocessUserVarTypes(ctx, p, fields, mapper) if err != nil { - return nil, 0, err + return nil, nil, 0, err } b.optFlag |= flagEliminateProjection b.curClause = fieldList @@ -1151,7 +1152,7 @@ func (b *PlanBuilder) buildProjection(ctx context.Context, p LogicalPlan, fields proj.Exprs = append(proj.Exprs, expr) col, name, err := b.buildProjectionField(ctx, p, field, expr) if err != nil { - return nil, 0, err + return nil, nil, 0, err } schema.Append(col) newNames = append(newNames, name) @@ -1159,7 +1160,7 @@ func (b *PlanBuilder) buildProjection(ctx context.Context, p LogicalPlan, fields } newExpr, np, err := b.rewriteWithPreprocess(ctx, field.Expr, p, mapper, windowMapper, true, nil) if err != nil { - return nil, 0, err + return nil, nil, 0, err } // For window functions in the order by clause, we will append an field for it. @@ -1175,7 +1176,7 @@ func (b *PlanBuilder) buildProjection(ctx context.Context, p LogicalPlan, fields col, name, err := b.buildProjectionField(ctx, p, field, newExpr) if err != nil { - return nil, 0, err + return nil, nil, 0, err } schema.Append(col) newNames = append(newNames, name) @@ -1202,7 +1203,7 @@ func (b *PlanBuilder) buildProjection(ctx context.Context, p LogicalPlan, fields } } proj.SetChildren(p) - return proj, oldLen, nil + return proj, proj.Exprs, oldLen, nil } func (b *PlanBuilder) buildDistinct(child LogicalPlan, length int) (*LogicalAggregation, error) { @@ -1560,6 +1561,11 @@ func (t *itemTransformer) Leave(inNode ast.Node) (ast.Node, bool) { } func (b *PlanBuilder) buildSort(ctx context.Context, p LogicalPlan, byItems []*ast.ByItem, aggMapper map[*ast.AggregateFuncExpr]int, windowMapper map[*ast.WindowFuncExpr]int) (*LogicalSort, error) { + return b.buildSortWithCheck(ctx, p, byItems, aggMapper, windowMapper, nil, 0, false) +} + +func (b *PlanBuilder) buildSortWithCheck(ctx context.Context, p LogicalPlan, byItems []*ast.ByItem, aggMapper map[*ast.AggregateFuncExpr]int, windowMapper map[*ast.WindowFuncExpr]int, + projExprs []expression.Expression, oldLen int, hasDistinct bool) (*LogicalSort, error) { if _, isUnion := p.(*LogicalUnionAll); isUnion { b.curClause = globalOrderByClause } else { @@ -1568,7 +1574,7 @@ func (b *PlanBuilder) buildSort(ctx context.Context, p LogicalPlan, byItems []*a sort := LogicalSort{}.Init(b.ctx, b.getSelectOffset()) exprs := make([]*util.ByItems, 0, len(byItems)) transformer := &itemTransformer{} - for _, item := range byItems { + for i, item := range byItems { newExpr, _ := item.Expr.Accept(transformer) item.Expr = newExpr.(ast.ExprNode) it, np, err := b.rewriteWithPreprocess(ctx, item.Expr, p, aggMapper, windowMapper, true, nil) @@ -1576,6 +1582,14 @@ func (b *PlanBuilder) buildSort(ctx context.Context, p LogicalPlan, byItems []*a return nil, err } + // check whether ORDER BY items show up in SELECT DISTINCT fields, see #12442 + if hasDistinct && projExprs != nil { + err = b.checkOrderByInDistinct(item, i, it, p, projExprs, oldLen) + if err != nil { + return nil, err + } + } + p = np exprs = append(exprs, &util.ByItems{Expr: it, Desc: item.Desc}) } @@ -1584,6 +1598,48 @@ func (b *PlanBuilder) buildSort(ctx context.Context, p LogicalPlan, byItems []*a return sort, nil } +// checkOrderByInDistinct checks whether ORDER BY has conflicts with DISTINCT, see #12442 +func (b *PlanBuilder) checkOrderByInDistinct(byItem *ast.ByItem, idx int, expr expression.Expression, p LogicalPlan, originalExprs []expression.Expression, length int) error { + // Check if expressions in ORDER BY whole match some fields in DISTINCT. + // e.g. + // select distinct count(a) from t group by b order by count(a); ✔ + // select distinct a+1 from t order by a+1; ✔ + // select distinct a+1 from t order by a+2; ✗ + for j := 0; j < length; j++ { + // both check original expression & as name + if expr.Equal(b.ctx, originalExprs[j]) || expr.Equal(b.ctx, p.Schema().Columns[j]) { + return nil + } + } + + // Check if referenced columns of expressions in ORDER BY whole match some fields in DISTINCT, + // both original expression and alias can be referenced. + // e.g. + // select distinct a from t order by sin(a); ✔ + // select distinct a, b from t order by a+b; ✔ + // select distinct count(a), sum(a) from t group by b order by sum(a); ✔ + cols := expression.ExtractColumns(expr) +CheckReferenced: + for _, col := range cols { + for j := 0; j < length; j++ { + if col.Equal(b.ctx, originalExprs[j]) || col.Equal(b.ctx, p.Schema().Columns[j]) { + continue CheckReferenced + } + } + + // Failed cases + // e.g. + // select distinct sin(a) from t order by a; ✗ + // select distinct a from t order by a+b; ✗ + if _, ok := byItem.Expr.(*ast.AggregateFuncExpr); ok { + return ErrAggregateInOrderNotSelect.GenWithStackByArgs(idx+1, "DISTINCT") + } + // select distinct count(a) from t group by b order by sum(a); ✗ + return ErrFieldInOrderNotSelect.GenWithStackByArgs(idx+1, col.OrigName, "DISTINCT") + } + return nil +} + // getUintFromNode gets uint64 value from ast.Node. // For ordinary statement, node should be uint64 constant value. // For prepared statement, node is string. We should convert it to uint64. @@ -2823,6 +2879,7 @@ func (b *PlanBuilder) buildSelect(ctx context.Context, sel *ast.SelectStmt) (p L havingMap, orderMap, totalMap map[*ast.AggregateFuncExpr]int windowAggMap map[*ast.AggregateFuncExpr]int gbyCols []expression.Expression + projExprs []expression.Expression ) if sel.From != nil { @@ -2916,7 +2973,7 @@ func (b *PlanBuilder) buildSelect(ctx context.Context, sel *ast.SelectStmt) (p L var oldLen int // According to https://dev.mysql.com/doc/refman/8.0/en/window-functions-usage.html, // we can only process window functions after having clause, so `considerWindow` is false now. - p, oldLen, err = b.buildProjection(ctx, p, sel.Fields.Fields, totalMap, nil, false, sel.OrderBy != nil) + p, projExprs, oldLen, err = b.buildProjection(ctx, p, sel.Fields.Fields, totalMap, nil, false, sel.OrderBy != nil) if err != nil { return nil, err } @@ -2951,7 +3008,7 @@ func (b *PlanBuilder) buildSelect(ctx context.Context, sel *ast.SelectStmt) (p L return nil, err } // Now we build the window function fields. - p, oldLen, err = b.buildProjection(ctx, p, sel.Fields.Fields, windowAggMap, windowMapper, true, false) + p, projExprs, oldLen, err = b.buildProjection(ctx, p, sel.Fields.Fields, windowAggMap, windowMapper, true, false) if err != nil { return nil, err } @@ -2965,7 +3022,11 @@ func (b *PlanBuilder) buildSelect(ctx context.Context, sel *ast.SelectStmt) (p L } if sel.OrderBy != nil { - p, err = b.buildSort(ctx, p, sel.OrderBy.Items, orderMap, windowMapper) + if b.ctx.GetSessionVars().SQLMode.HasOnlyFullGroupBy() { + p, err = b.buildSortWithCheck(ctx, p, sel.OrderBy.Items, orderMap, windowMapper, projExprs, oldLen, sel.Distinct) + } else { + p, err = b.buildSort(ctx, p, sel.OrderBy.Items, orderMap, windowMapper) + } if err != nil { return nil, err } From 6f3f126deefc6c17a04899f390d97fcae8e9e820 Mon Sep 17 00:00:00 2001 From: wjHuang Date: Fri, 11 Dec 2020 18:27:21 +0800 Subject: [PATCH 0456/1021] types: fix restore error for backslash (#21666) Signed-off-by: wjhuang2016 --- ddl/db_test.go | 10 ++++++++++ types/parser_driver/value_expr.go | 4 +++- types/parser_driver/value_expr_test.go | 1 + 3 files changed, 14 insertions(+), 1 deletion(-) diff --git a/ddl/db_test.go b/ddl/db_test.go index 0afc8db1e741b..d3ff37666b374 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -3571,6 +3571,16 @@ func (s *testDBSuite3) TestGeneratedColumnDDL(c *C) { tk.MustExec(`alter table test_gv_ddl change column c cnew bigint`) result = tk.MustQuery(`DESC test_gv_ddl`) result.Check(testkit.Rows(`a int(11) YES `, `b bigint(20) YES VIRTUAL GENERATED`, `cnew bigint(20) YES `)) + + // Test generated column `\\`. + tk.MustExec("drop table if exists t") + tk.MustExec("CREATE TABLE t(c0 TEXT AS ('\\\\'));") + tk.MustExec("insert into t values ()") + tk.MustQuery("select * from t").Check(testkit.Rows("\\")) + tk.MustExec("drop table if exists t") + tk.MustExec("CREATE TABLE t(c0 TEXT AS ('a\\\\b\\\\c\\\\'))") + tk.MustExec("insert into t values ()") + tk.MustQuery("select * from t").Check(testkit.Rows("a\\b\\c\\")) } func (s *testDBSuite4) TestComment(c *C) { diff --git a/types/parser_driver/value_expr.go b/types/parser_driver/value_expr.go index 0018770e9b285..6d83b4db5bb16 100644 --- a/types/parser_driver/value_expr.go +++ b/types/parser_driver/value_expr.go @@ -17,6 +17,7 @@ import ( "fmt" "io" "strconv" + "strings" "github.com/pingcap/errors" "github.com/pingcap/parser/ast" @@ -100,7 +101,8 @@ func (n *ValueExpr) Restore(ctx *format.RestoreCtx) error { ctx.WritePlain("_") ctx.WriteKeyWord(n.Type.Charset) } - ctx.WriteString(n.GetString()) + // Replace '\' to '\\' regardless of sql_mode "NO_BACKSLASH_ESCAPES", which is the same as MySQL. + ctx.WriteString(strings.ReplaceAll(n.GetString(), "\\", "\\\\")) case types.KindBytes: ctx.WriteString(n.GetString()) case types.KindMysqlDecimal: diff --git a/types/parser_driver/value_expr_test.go b/types/parser_driver/value_expr_test.go index 40d949bbd67aa..f65d092e33a29 100644 --- a/types/parser_driver/value_expr_test.go +++ b/types/parser_driver/value_expr_test.go @@ -48,6 +48,7 @@ func (s *testValueExprRestoreSuite) TestValueExprRestore(c *C) { {types.NewDecimalDatum(types.NewDecFromInt(321)), "321"}, {types.NewDurationDatum(types.ZeroDuration), "'00:00:00'"}, {types.NewTimeDatum(types.ZeroDatetime), "'0000-00-00 00:00:00'"}, + {types.NewStringDatum("\\"), "'\\\\'"}, } // Run Test var sb strings.Builder From a02660e2dd3aa20835beec47a3dd73264879da10 Mon Sep 17 00:00:00 2001 From: crazycs Date: Fri, 11 Dec 2020 21:32:22 +0800 Subject: [PATCH 0457/1021] *: fix tiny bug and add more DML test for list partition table (#21423) Signed-off-by: crazycs520 --- executor/write_test.go | 535 ++++++++++++++++++++++++++++++++++++++ server/server_test.go | 236 +++++++++++++++++ server/tidb_test.go | 7 + table/tables/partition.go | 8 +- 4 files changed, 784 insertions(+), 2 deletions(-) diff --git a/executor/write_test.go b/executor/write_test.go index bd50ea262fdea..9e634629314c5 100644 --- a/executor/write_test.go +++ b/executor/write_test.go @@ -2968,6 +2968,541 @@ func (s *testSuite4) TestWriteListColumnsPartitionTable(c *C) { tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 a", "2 b")) } +// TestWriteListPartitionTable1 test for write list partition when the partition expression is simple. +func (s *testSuite4) TestWriteListPartitionTable1(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("drop table if exists t") + tk.MustExec(`create table t (id int, name varchar(10)) partition by list (id) ( + partition p0 values in (3,5,6,9,17), + partition p1 values in (1,2,10,11,19,20), + partition p2 values in (4,12,13,14,18), + partition p3 values in (7,8,15,16,null) + );`) + + // Test add unique index failed. + tk.MustExec("insert into t values (1, 'a'),(1,'b')") + _, err := tk.Exec("alter table t add unique index idx (id)") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry '1' for key 'idx'") + // Test add unique index success. + tk.MustExec("delete from t where name='b'") + tk.MustExec("alter table t add unique index idx (id)") + + // --------------------------Test insert--------------------------- + // Test insert 1 partition. + tk.MustExec("delete from t") + tk.MustExec("insert into t values (1, 'a'),(2,'b'),(10,'c')") + tk.MustQuery("select * from t partition(p1) order by id").Check(testkit.Rows("1 a", "2 b", "10 c")) + // Test insert multi-partitions. + tk.MustExec("delete from t") + tk.MustExec("insert into t values (1, 'a'),(3,'c'),(4,'e')") + tk.MustQuery("select * from t partition(p0) order by id").Check(testkit.Rows("3 c")) + tk.MustQuery("select * from t partition(p1) order by id").Check(testkit.Rows("1 a")) + tk.MustQuery("select * from t partition(p2) order by id").Check(testkit.Rows("4 e")) + tk.MustQuery("select * from t partition(p3) order by id").Check(testkit.Rows()) + // Test insert on duplicate. + tk.MustExec("insert into t values (1, 'd'), (3,'f'),(5,'g') on duplicate key update name='x'") + tk.MustQuery("select * from t partition(p0) order by id").Check(testkit.Rows("3 x", "5 g")) + tk.MustQuery("select * from t partition(p1) order by id").Check(testkit.Rows("1 x")) + tk.MustQuery("select * from t partition(p2) order by id").Check(testkit.Rows("4 e")) + tk.MustQuery("select * from t partition(p3) order by id").Check(testkit.Rows()) + // Test insert on duplicate error + _, err = tk.Exec("insert into t values (3, 'a'), (11,'x') on duplicate key update id=id+1") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry '4' for key 'idx'") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 x", "3 x", "4 e", "5 g")) + // Test insert ignore with duplicate + tk.MustExec("insert ignore into t values (1, 'b'), (5,'a'),(null,'y')") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1062 Duplicate entry '1' for key 'idx'", "Warning 1062 Duplicate entry '5' for key 'idx'")) + tk.MustQuery("select * from t partition(p0) order by id").Check(testkit.Rows("3 x", "5 g")) + tk.MustQuery("select * from t partition(p1) order by id").Check(testkit.Rows("1 x")) + tk.MustQuery("select * from t partition(p2) order by id").Check(testkit.Rows("4 e")) + tk.MustQuery("select * from t partition(p3) order by id").Check(testkit.Rows(" y")) + // Test insert ignore without duplicate + tk.MustExec("insert ignore into t values (15, 'a'),(17,'a')") + tk.MustQuery("select * from t partition(p0,p1,p2) order by id").Check(testkit.Rows("1 x", "3 x", "4 e", "5 g", "17 a")) + tk.MustQuery("select * from t partition(p3) order by id").Check(testkit.Rows(" y", "15 a")) + // Test insert meet no partition error. + _, err = tk.Exec("insert into t values (100, 'd')") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value 100") + + // --------------------------Test update--------------------------- + // Test update 1 partition. + tk.MustExec("delete from t") + tk.MustExec("insert into t values (1, 'a'),(2,'b'),(3,'c')") + tk.MustExec("update t set name='b' where id=2;") + tk.MustQuery("select * from t partition(p1)").Check(testkit.Rows("1 a", "2 b")) + tk.MustExec("update t set name='x' where id in (1,2)") + tk.MustQuery("select * from t partition(p1)").Check(testkit.Rows("1 x", "2 x")) + tk.MustExec("update t set name='y' where id < 3") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 y", "2 y", "3 c")) + // Test update meet duplicate error. + _, err = tk.Exec("update t set id=2 where id = 1") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry '2' for key 'idx'") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 y", "2 y", "3 c")) + + // Test update multi-partitions + tk.MustExec("update t set name='z' where id in (1,2,3);") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 z", "2 z", "3 z")) + tk.MustExec("update t set name='a' limit 3") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 a", "2 a", "3 a")) + tk.MustExec("update t set id=id*10 where id in (1,2)") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("3 a", "10 a", "20 a")) + // Test update meet duplicate error. + _, err = tk.Exec("update t set id=id+17 where id in (3,10)") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry '20' for key 'idx'") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("3 a", "10 a", "20 a")) + // Test update meet no partition error. + _, err = tk.Exec("update t set id=id*2 where id in (3,20)") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value 40") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("3 a", "10 a", "20 a")) + + // --------------------------Test replace--------------------------- + // Test replace 1 partition. + tk.MustExec("delete from t") + tk.MustExec("replace into t values (1, 'a'),(2,'b')") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 a", "2 b")) + // Test replace multi-partitions. + tk.MustExec("replace into t values (3, 'c'),(4,'d'),(7,'f')") + tk.MustQuery("select * from t partition(p0) order by id").Check(testkit.Rows("3 c")) + tk.MustQuery("select * from t partition(p1) order by id").Check(testkit.Rows("1 a", "2 b")) + tk.MustQuery("select * from t partition(p2) order by id").Check(testkit.Rows("4 d")) + tk.MustQuery("select * from t partition(p3) order by id").Check(testkit.Rows("7 f")) + // Test replace on duplicate. + tk.MustExec("replace into t values (1, 'x'),(7,'x')") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 x", "2 b", "3 c", "4 d", "7 x")) + // Test replace meet no partition error. + _, err = tk.Exec("replace into t values (10,'x'),(50,'x')") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value 50") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 x", "2 b", "3 c", "4 d", "7 x")) + + // --------------------------Test delete--------------------------- + // Test delete 1 partition. + tk.MustExec("delete from t where id = 3") + tk.MustQuery("select * from t partition(p0) order by id").Check(testkit.Rows()) + tk.MustExec("delete from t where id in (1,2)") + tk.MustQuery("select * from t partition(p1) order by id").Check(testkit.Rows()) + // Test delete multi-partitions. + tk.MustExec("delete from t where id in (4,7,10,11)") + tk.MustQuery("select * from t").Check(testkit.Rows()) + tk.MustExec("insert into t values (3, 'c'),(4,'d'),(7,'f')") + tk.MustExec("delete from t where id < 10") + tk.MustQuery("select * from t").Check(testkit.Rows()) + tk.MustExec("insert into t values (3, 'c'),(4,'d'),(7,'f')") + tk.MustExec("delete from t limit 3") + tk.MustQuery("select * from t").Check(testkit.Rows()) +} + +// TestWriteListPartitionTable2 test for write list partition when the partition expression is complicated and contain generated column. +func (s *testSuite4) TestWriteListPartitionTable2(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("drop table if exists t") + tk.MustExec(`create table t (id int, name varchar(10),b int generated always as (length(name)+1) virtual) + partition by list (id*2 + b*b + b*b - b*b*2 - abs(id)) ( + partition p0 values in (3,5,6,9,17), + partition p1 values in (1,2,10,11,19,20), + partition p2 values in (4,12,13,14,18), + partition p3 values in (7,8,15,16,null) + );`) + + // Test add unique index failed. + tk.MustExec("insert into t (id,name) values (1, 'a'),(1,'b')") + _, err := tk.Exec("alter table t add unique index idx (id,b)") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry '1-2' for key 'idx'") + // Test add unique index success. + tk.MustExec("delete from t where name='b'") + tk.MustExec("alter table t add unique index idx (id,b)") + + // --------------------------Test insert--------------------------- + // Test insert 1 partition. + tk.MustExec("delete from t") + tk.MustExec("insert into t (id,name) values (1, 'a'),(2,'b'),(10,'c')") + tk.MustQuery("select id,name from t partition(p1) order by id").Check(testkit.Rows("1 a", "2 b", "10 c")) + // Test insert multi-partitions. + tk.MustExec("delete from t") + tk.MustExec("insert into t (id,name) values (1, 'a'),(3,'c'),(4,'e')") + tk.MustQuery("select id,name from t partition(p0) order by id").Check(testkit.Rows("3 c")) + tk.MustQuery("select id,name from t partition(p1) order by id").Check(testkit.Rows("1 a")) + tk.MustQuery("select id,name from t partition(p2) order by id").Check(testkit.Rows("4 e")) + tk.MustQuery("select id,name from t partition(p3) order by id").Check(testkit.Rows()) + // Test insert on duplicate. + tk.MustExec("insert into t (id,name) values (1, 'd'), (3,'f'),(5,'g') on duplicate key update name='x'") + tk.MustQuery("select id,name from t partition(p0) order by id").Check(testkit.Rows("3 x", "5 g")) + tk.MustQuery("select id,name from t partition(p1) order by id").Check(testkit.Rows("1 x")) + tk.MustQuery("select id,name from t partition(p2) order by id").Check(testkit.Rows("4 e")) + tk.MustQuery("select id,name from t partition(p3) order by id").Check(testkit.Rows()) + // Test insert on duplicate error + _, err = tk.Exec("insert into t (id,name) values (3, 'a'), (11,'x') on duplicate key update id=id+1") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry '4-2' for key 'idx'") + tk.MustQuery("select id,name from t order by id").Check(testkit.Rows("1 x", "3 x", "4 e", "5 g")) + // Test insert ignore with duplicate + tk.MustExec("insert ignore into t (id,name) values (1, 'b'), (5,'a'),(null,'y')") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1062 Duplicate entry '1-2' for key 'idx'", "Warning 1062 Duplicate entry '5-2' for key 'idx'")) + tk.MustQuery("select id,name from t partition(p0) order by id").Check(testkit.Rows("3 x", "5 g")) + tk.MustQuery("select id,name from t partition(p1) order by id").Check(testkit.Rows("1 x")) + tk.MustQuery("select id,name from t partition(p2) order by id").Check(testkit.Rows("4 e")) + tk.MustQuery("select id,name from t partition(p3) order by id").Check(testkit.Rows(" y")) + // Test insert ignore without duplicate + tk.MustExec("insert ignore into t (id,name) values (15, 'a'),(17,'a')") + tk.MustQuery("select id,name from t partition(p0,p1,p2) order by id").Check(testkit.Rows("1 x", "3 x", "4 e", "5 g", "17 a")) + tk.MustQuery("select id,name from t partition(p3) order by id").Check(testkit.Rows(" y", "15 a")) + // Test insert meet no partition error. + _, err = tk.Exec("insert into t (id,name) values (100, 'd')") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value 100") + + // --------------------------Test update--------------------------- + // Test update 1 partition. + tk.MustExec("delete from t") + tk.MustExec("insert into t (id,name) values (1, 'a'),(2,'b'),(3,'c')") + tk.MustExec("update t set name='b' where id=2;") + tk.MustQuery("select id,name from t partition(p1)").Check(testkit.Rows("1 a", "2 b")) + tk.MustExec("update t set name='x' where id in (1,2)") + tk.MustQuery("select id,name from t partition(p1)").Check(testkit.Rows("1 x", "2 x")) + tk.MustExec("update t set name='y' where id < 3") + tk.MustQuery("select id,name from t order by id").Check(testkit.Rows("1 y", "2 y", "3 c")) + // Test update meet duplicate error. + _, err = tk.Exec("update t set id=2 where id = 1") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry '2-2' for key 'idx'") + tk.MustQuery("select id,name from t order by id").Check(testkit.Rows("1 y", "2 y", "3 c")) + + // Test update multi-partitions + tk.MustExec("update t set name='z' where id in (1,2,3);") + tk.MustQuery("select id,name from t order by id").Check(testkit.Rows("1 z", "2 z", "3 z")) + tk.MustExec("update t set name='a' limit 3") + tk.MustQuery("select id,name from t order by id").Check(testkit.Rows("1 a", "2 a", "3 a")) + tk.MustExec("update t set id=id*10 where id in (1,2)") + tk.MustQuery("select id,name from t order by id").Check(testkit.Rows("3 a", "10 a", "20 a")) + // Test update meet duplicate error. + _, err = tk.Exec("update t set id=id+17 where id in (3,10)") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry '20-2' for key 'idx'") + tk.MustQuery("select id,name from t order by id").Check(testkit.Rows("3 a", "10 a", "20 a")) + // Test update meet no partition error. + _, err = tk.Exec("update t set id=id*2 where id in (3,20)") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value 40") + tk.MustQuery("select id,name from t order by id").Check(testkit.Rows("3 a", "10 a", "20 a")) + + // --------------------------Test replace--------------------------- + // Test replace 1 partition. + tk.MustExec("delete from t") + tk.MustExec("replace into t (id,name) values (1, 'a'),(2,'b')") + tk.MustQuery("select id,name from t order by id").Check(testkit.Rows("1 a", "2 b")) + // Test replace multi-partitions. + tk.MustExec("replace into t (id,name) values (3, 'c'),(4,'d'),(7,'f')") + tk.MustQuery("select id,name from t partition(p0) order by id").Check(testkit.Rows("3 c")) + tk.MustQuery("select id,name from t partition(p1) order by id").Check(testkit.Rows("1 a", "2 b")) + tk.MustQuery("select id,name from t partition(p2) order by id").Check(testkit.Rows("4 d")) + tk.MustQuery("select id,name from t partition(p3) order by id").Check(testkit.Rows("7 f")) + // Test replace on duplicate. + tk.MustExec("replace into t (id,name) values (1, 'x'),(7,'x')") + tk.MustQuery("select id,name from t order by id").Check(testkit.Rows("1 x", "2 b", "3 c", "4 d", "7 x")) + // Test replace meet no partition error. + _, err = tk.Exec("replace into t (id,name) values (10,'x'),(50,'x')") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value 50") + tk.MustQuery("select id,name from t order by id").Check(testkit.Rows("1 x", "2 b", "3 c", "4 d", "7 x")) + + // --------------------------Test delete--------------------------- + // Test delete 1 partition. + tk.MustExec("delete from t where id = 3") + tk.MustQuery("select id,name from t partition(p0) order by id").Check(testkit.Rows()) + tk.MustExec("delete from t where id in (1,2)") + tk.MustQuery("select id,name from t partition(p1) order by id").Check(testkit.Rows()) + // Test delete multi-partitions. + tk.MustExec("delete from t where id in (4,7,10,11)") + tk.MustQuery("select id,name from t").Check(testkit.Rows()) + tk.MustExec("insert into t (id,name) values (3, 'c'),(4,'d'),(7,'f')") + tk.MustExec("delete from t where id < 10") + tk.MustQuery("select id,name from t").Check(testkit.Rows()) + tk.MustExec("insert into t (id,name) values (3, 'c'),(4,'d'),(7,'f')") + tk.MustExec("delete from t limit 3") + tk.MustQuery("select id,name from t").Check(testkit.Rows()) +} + +func (s *testSuite4) TestWriteListColumnsPartitionTable1(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("drop table if exists t") + tk.MustExec(`create table t (id int, name varchar(10)) partition by list columns (id) ( + partition p0 values in (3,5,6,9,17), + partition p1 values in (1,2,10,11,19,20), + partition p2 values in (4,12,13,14,18), + partition p3 values in (7,8,15,16,null) + );`) + + // Test add unique index failed. + tk.MustExec("insert into t values (1, 'a'),(1,'b')") + _, err := tk.Exec("alter table t add unique index idx (id)") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry '1' for key 'idx'") + // Test add unique index success. + tk.MustExec("delete from t where name='b'") + tk.MustExec("alter table t add unique index idx (id)") + + // --------------------------Test insert--------------------------- + // Test insert 1 partition. + tk.MustExec("delete from t") + tk.MustExec("insert into t values (1, 'a'),(2,'b'),(10,'c')") + tk.MustQuery("select * from t partition(p1) order by id").Check(testkit.Rows("1 a", "2 b", "10 c")) + // Test insert multi-partitions. + tk.MustExec("delete from t") + tk.MustExec("insert into t values (1, 'a'),(3,'c'),(4,'e')") + tk.MustQuery("select * from t partition(p0) order by id").Check(testkit.Rows("3 c")) + tk.MustQuery("select * from t partition(p1) order by id").Check(testkit.Rows("1 a")) + tk.MustQuery("select * from t partition(p2) order by id").Check(testkit.Rows("4 e")) + tk.MustQuery("select * from t partition(p3) order by id").Check(testkit.Rows()) + // Test insert on duplicate. + tk.MustExec("insert into t values (1, 'd'), (3,'f'),(5,'g') on duplicate key update name='x'") + tk.MustQuery("select * from t partition(p0) order by id").Check(testkit.Rows("3 x", "5 g")) + tk.MustQuery("select * from t partition(p1) order by id").Check(testkit.Rows("1 x")) + tk.MustQuery("select * from t partition(p2) order by id").Check(testkit.Rows("4 e")) + tk.MustQuery("select * from t partition(p3) order by id").Check(testkit.Rows()) + // Test insert on duplicate error + _, err = tk.Exec("insert into t values (3, 'a'), (11,'x') on duplicate key update id=id+1") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry '4' for key 'idx'") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 x", "3 x", "4 e", "5 g")) + // Test insert ignore with duplicate + tk.MustExec("insert ignore into t values (1, 'b'), (5,'a'),(null,'y')") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1062 Duplicate entry '1' for key 'idx'", "Warning 1062 Duplicate entry '5' for key 'idx'")) + tk.MustQuery("select * from t partition(p0) order by id").Check(testkit.Rows("3 x", "5 g")) + tk.MustQuery("select * from t partition(p1) order by id").Check(testkit.Rows("1 x")) + tk.MustQuery("select * from t partition(p2) order by id").Check(testkit.Rows("4 e")) + tk.MustQuery("select * from t partition(p3) order by id").Check(testkit.Rows(" y")) + // Test insert ignore without duplicate + tk.MustExec("insert ignore into t values (15, 'a'),(17,'a')") + tk.MustQuery("select * from t partition(p0,p1,p2) order by id").Check(testkit.Rows("1 x", "3 x", "4 e", "5 g", "17 a")) + tk.MustQuery("select * from t partition(p3) order by id").Check(testkit.Rows(" y", "15 a")) + // Test insert meet no partition error. + _, err = tk.Exec("insert into t values (100, 'd')") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value from column_list") + + // --------------------------Test update--------------------------- + // Test update 1 partition. + tk.MustExec("delete from t") + tk.MustExec("insert into t values (1, 'a'),(2,'b'),(3,'c')") + tk.MustExec("update t set name='b' where id=2;") + tk.MustQuery("select * from t partition(p1)").Check(testkit.Rows("1 a", "2 b")) + tk.MustExec("update t set name='x' where id in (1,2)") + tk.MustQuery("select * from t partition(p1)").Check(testkit.Rows("1 x", "2 x")) + tk.MustExec("update t set name='y' where id < 3") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 y", "2 y", "3 c")) + // Test update meet duplicate error. + _, err = tk.Exec("update t set id=2 where id = 1") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry '2' for key 'idx'") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 y", "2 y", "3 c")) + + // Test update multi-partitions + tk.MustExec("update t set name='z' where id in (1,2,3);") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 z", "2 z", "3 z")) + tk.MustExec("update t set name='a' limit 3") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 a", "2 a", "3 a")) + tk.MustExec("update t set id=id*10 where id in (1,2)") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("3 a", "10 a", "20 a")) + // Test update meet duplicate error. + _, err = tk.Exec("update t set id=id+17 where id in (3,10)") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry '20' for key 'idx'") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("3 a", "10 a", "20 a")) + // Test update meet no partition error. + _, err = tk.Exec("update t set id=id*2 where id in (3,20)") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value from column_list") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("3 a", "10 a", "20 a")) + + // --------------------------Test replace--------------------------- + // Test replace 1 partition. + tk.MustExec("delete from t") + tk.MustExec("replace into t values (1, 'a'),(2,'b')") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 a", "2 b")) + // Test replace multi-partitions. + tk.MustExec("replace into t values (3, 'c'),(4,'d'),(7,'f')") + tk.MustQuery("select * from t partition(p0) order by id").Check(testkit.Rows("3 c")) + tk.MustQuery("select * from t partition(p1) order by id").Check(testkit.Rows("1 a", "2 b")) + tk.MustQuery("select * from t partition(p2) order by id").Check(testkit.Rows("4 d")) + tk.MustQuery("select * from t partition(p3) order by id").Check(testkit.Rows("7 f")) + // Test replace on duplicate. + tk.MustExec("replace into t values (1, 'x'),(7,'x')") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 x", "2 b", "3 c", "4 d", "7 x")) + // Test replace meet no partition error. + _, err = tk.Exec("replace into t values (10,'x'),(100,'x')") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value from column_list") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("1 x", "2 b", "3 c", "4 d", "7 x")) + + // --------------------------Test delete--------------------------- + // Test delete 1 partition. + tk.MustExec("delete from t where id = 3") + tk.MustQuery("select * from t partition(p0) order by id").Check(testkit.Rows()) + tk.MustExec("delete from t where id in (1,2)") + tk.MustQuery("select * from t partition(p1) order by id").Check(testkit.Rows()) + // Test delete multi-partitions. + tk.MustExec("delete from t where id in (4,7,10,11)") + tk.MustQuery("select * from t").Check(testkit.Rows()) + tk.MustExec("insert into t values (3, 'c'),(4,'d'),(7,'f')") + tk.MustExec("delete from t where id < 10") + tk.MustQuery("select * from t").Check(testkit.Rows()) + tk.MustExec("insert into t values (3, 'c'),(4,'d'),(7,'f')") + tk.MustExec("delete from t limit 3") + tk.MustQuery("select * from t").Check(testkit.Rows()) +} + +// TestWriteListColumnsPartitionTable2 test for write list partition when the partition by multi-columns. +func (s *testSuite4) TestWriteListColumnsPartitionTable2(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("drop table if exists t") + tk.MustExec(`create table t (location varchar(10), id int, a int) partition by list columns (location,id) ( + partition p_west values in (('w', 1),('w', 2),('w', 3),('w', 4)), + partition p_east values in (('e', 5),('e', 6),('e', 7),('e', 8)), + partition p_north values in (('n', 9),('n',10),('n',11),('n',12)), + partition p_south values in (('s',13),('s',14),('s',15),('s',16)) + );`) + + // Test add unique index failed. + tk.MustExec("insert into t values ('w', 1, 1),('w', 1, 2)") + _, err := tk.Exec("alter table t add unique index idx (location,id)") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry 'w-1' for key 'idx'") + // Test add unique index success. + tk.MustExec("delete from t where a=2") + tk.MustExec("alter table t add unique index idx (location,id)") + + // --------------------------Test insert--------------------------- + // Test insert 1 partition. + tk.MustExec("delete from t") + tk.MustExec("insert into t values ('w', 1, 1),('w', 2, 2),('w', 3, 3)") + tk.MustQuery("select * from t partition(p_west) order by id").Check(testkit.Rows("w 1 1", "w 2 2", "w 3 3")) + // Test insert multi-partitions. + tk.MustExec("delete from t") + tk.MustExec("insert into t values ('w', 1, 1),('e', 5, 5),('n', 9, 9)") + tk.MustQuery("select * from t partition(p_west) order by id").Check(testkit.Rows("w 1 1")) + tk.MustQuery("select * from t partition(p_east) order by id").Check(testkit.Rows("e 5 5")) + tk.MustQuery("select * from t partition(p_north) order by id").Check(testkit.Rows("n 9 9")) + tk.MustQuery("select * from t partition(p_south) order by id").Check(testkit.Rows()) + // Test insert on duplicate. + tk.MustExec("insert into t values ('w', 1, 1) on duplicate key update a=a+1") + tk.MustQuery("select * from t partition(p_west) order by id").Check(testkit.Rows("w 1 2")) + // Test insert on duplicate and move from partition 1 to partition 2 + tk.MustExec("insert into t values ('w', 1, 1) on duplicate key update location='s', id=13") + tk.MustQuery("select * from t partition(p_south) order by id").Check(testkit.Rows("s 13 2")) + tk.MustQuery("select * from t partition(p_west) order by id").Check(testkit.Rows()) + // Test insert on duplicate error + tk.MustExec("insert into t values ('w', 2, 2), ('w', 1, 1)") + _, err = tk.Exec("insert into t values ('w', 2, 3) on duplicate key update id=1") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry 'w-1' for key 'idx'") + tk.MustQuery("select * from t partition(p_west) order by id").Check(testkit.Rows("w 1 1", "w 2 2")) + // Test insert ignore with duplicate + tk.MustExec("insert ignore into t values ('w', 2, 2), ('w', 3, 3), ('n', 10, 10)") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1062 Duplicate entry 'w-2' for key 'idx'")) + tk.MustQuery("select * from t partition(p_west) order by id").Check(testkit.Rows("w 1 1", "w 2 2", "w 3 3")) + tk.MustQuery("select * from t partition(p_north) order by id").Check(testkit.Rows("n 9 9", "n 10 10")) + // Test insert ignore without duplicate + tk.MustExec("insert ignore into t values ('w', 4, 4), ('s', 14, 14)") + tk.MustQuery("select * from t partition(p_west) order by id").Check(testkit.Rows("w 1 1", "w 2 2", "w 3 3", "w 4 4")) + tk.MustQuery("select * from t partition(p_south) order by id").Check(testkit.Rows("s 13 2", "s 14 14")) + // Test insert meet no partition error. + _, err = tk.Exec("insert into t values ('w', 5, 5)") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value from column_list") + _, err = tk.Exec("insert into t values ('s', 5, 5)") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value from column_list") + _, err = tk.Exec("insert into t values ('s', 100, 5)") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value from column_list") + _, err = tk.Exec("insert into t values ('x', 1, 5)") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value from column_list") + + // --------------------------Test update--------------------------- + // Test update 1 partition. + tk.MustExec("delete from t") + tk.MustExec("insert into t values ('w', 1, 1),('w', 2, 2),('w', 3, 3)") + tk.MustExec("update t set a=2 where a=1") + tk.MustQuery("select * from t partition(p_west) order by id").Check(testkit.Rows("w 1 2", "w 2 2", "w 3 3")) + tk.MustExec("update t set a=3 where location='w'") + tk.MustQuery("select * from t partition(p_west) order by id").Check(testkit.Rows("w 1 3", "w 2 3", "w 3 3")) + tk.MustExec("update t set a=4 where location='w' and id=1") + tk.MustQuery("select * from t partition(p_west) order by id").Check(testkit.Rows("w 1 4", "w 2 3", "w 3 3")) + tk.MustExec("update t set a=5 where id=1") + tk.MustQuery("select * from t partition(p_west) order by id").Check(testkit.Rows("w 1 5", "w 2 3", "w 3 3")) + tk.MustExec("update t set a=a+id where id>1") + tk.MustQuery("select * from t partition(p_west) order by id,a").Check(testkit.Rows("w 1 5", "w 2 5", "w 3 6")) + // Test update meet duplicate error. + _, err = tk.Exec("update t set id=id+1 where location='w' and id<2") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry 'w-2' for key 'idx'") + tk.MustQuery("select * from t partition(p_west) order by id,a").Check(testkit.Rows("w 1 5", "w 2 5", "w 3 6")) + + // Test update multi-partitions + tk.MustExec("delete from t") + tk.MustExec("insert into t values ('w', 1, 1), ('w', 2, 2), ('e', 8, 8),('n', 11, 11)") + tk.MustExec("update t set a=a+1 where id < 20") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("w 1 2", "w 2 3", "e 8 9", "n 11 12")) + tk.MustExec("update t set a=a+1 where location in ('w','s','n')") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("w 1 3", "w 2 4", "e 8 9", "n 11 13")) + tk.MustExec("update t set a=a+1 where location in ('w','s','n') and id in (1,3,5,7,8,9,11)") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("w 1 4", "w 2 4", "e 8 9", "n 11 14")) + tk.MustExec("update t set a=a+1 where location='n' and id=12") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("w 1 4", "w 2 4", "e 8 9", "n 11 14")) + tk.MustExec("update t set a=a+1 where location='n' and id=11") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("w 1 4", "w 2 4", "e 8 9", "n 11 15")) + // Test update meet duplicate error. + _, err = tk.Exec("update t set id=id+1 where location='w' and id in (1,2)") + c.Assert(err.Error(), Equals, "[kv:1062]Duplicate entry 'w-2' for key 'idx'") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("w 1 4", "w 2 4", "e 8 9", "n 11 15")) + // Test update meet no partition error. + _, err = tk.Exec("update t set id=id+3 where location='w' and id in (1,2)") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value from column_list") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("w 1 4", "w 2 4", "e 8 9", "n 11 15")) + // Test update that move from partition 1 to partition 2. + // TODO: fix this + tk.MustExec("update t set location='s', id=14 where location='e' and id=8") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("w 1 4", "w 2 4", "n 11 15", "s 14 9")) + + // --------------------------Test replace--------------------------- + // Test replace 1 partition. + tk.MustExec("delete from t") + tk.MustExec("replace into t values ('w', 1, 1),('w', 2, 2),('w', 3, 3)") + tk.MustQuery("select * from t partition(p_west) order by id").Check(testkit.Rows("w 1 1", "w 2 2", "w 3 3")) + // Test replace multi-partitions. + tk.MustExec("delete from t") + tk.MustExec("replace into t values ('w', 1, 1),('e', 5, 5),('n', 9, 9)") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("w 1 1", "e 5 5", "n 9 9")) + // Test replace on duplicate. + tk.MustExec("replace into t values ('w', 1, 2),('n', 10, 10)") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("w 1 2", "e 5 5", "n 9 9", "n 10 10")) + // Test replace meet no partition error. + _, err = tk.Exec("replace into t values ('w', 5, 5)") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value from column_list") + _, err = tk.Exec("replace into t values ('s', 5, 5)") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value from column_list") + _, err = tk.Exec("replace into t values ('s', 100, 5)") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value from column_list") + _, err = tk.Exec("replace into t values ('x', 1, 5)") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value from column_list") + + // --------------------------Test delete--------------------------- + // Test delete 1 partition. + tk.MustExec("delete from t where location='w' and id=2") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("w 1 2", "e 5 5", "n 9 9", "n 10 10")) + tk.MustExec("delete from t where location='w' and id=1") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("e 5 5", "n 9 9", "n 10 10")) + // Test delete multi-partitions. + tk.MustExec("delete from t where location in ('w','e','n') and id in (1,2,3,4,5,8,9)") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("n 10 10")) + tk.MustExec("delete from t where a=10") + tk.MustQuery("select * from t order by id").Check(testkit.Rows()) + tk.MustExec("replace into t values ('w', 1, 1),('e', 5, 5),('n', 11, 11)") + tk.MustExec("delete from t where id < 10") + tk.MustQuery("select * from t order by id").Check(testkit.Rows("n 11 11")) + tk.MustExec("delete from t limit 1") + tk.MustQuery("select * from t order by id").Check(testkit.Rows()) +} + +// TestWriteListColumnsPartitionTable2 test for write list partition when the partition by multi-columns. +func (s *testSuite4) TestWriteListPartitionTableIssue21437(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("drop table if exists t") + tk.MustExec(`create table t (a int) partition by list (a%10) (partition p0 values in (0,1));`) + _, err := tk.Exec("replace into t values (null)") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value NULL") +} + func (s *testSerialSuite) TestIssue20724(c *C) { collate.SetNewCollationEnabledForTest(true) defer collate.SetNewCollationEnabledForTest(false) diff --git a/server/server_test.go b/server/server_test.go index 1fa9b8d4a2db6..7fde397a257c4 100644 --- a/server/server_test.go +++ b/server/server_test.go @@ -14,6 +14,7 @@ package server import ( + "bytes" "database/sql" "encoding/json" "fmt" @@ -495,6 +496,241 @@ func (cli *testServerClient) runTestLoadDataForSlowLog(c *C, server *Server) { }) } +func (cli *testServerClient) prepareLoadDataFile(c *C, path string, rows ...string) { + fp, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600) + c.Assert(err, IsNil) + c.Assert(fp, NotNil) + defer func() { + err = fp.Close() + c.Assert(err, IsNil) + }() + for _, row := range rows { + fields := strings.Split(row, " ") + _, err = fp.WriteString(strings.Join(fields, "\t")) + _, err = fp.WriteString("\n") + } + c.Assert(err, IsNil) +} + +func (cli *testServerClient) runTestLoadDataForListPartition(c *C) { + path := "/tmp/load_data_list_partition.csv" + defer func() { + _ = os.Remove(path) + }() + + cli.runTestsOnNewDB(c, func(config *mysql.Config) { + config.AllowAllFiles = true + config.Params = map[string]string{"sql_mode": "''"} + }, "load_data_list_partition", func(dbt *DBTest) { + dbt.mustExec(`create table t (id int, name varchar(10), + unique index idx (id)) partition by list (id) ( + partition p0 values in (3,5,6,9,17), + partition p1 values in (1,2,10,11,19,20), + partition p2 values in (4,12,13,14,18), + partition p3 values in (7,8,15,16,null) + );`) + // Test load data into 1 partition. + cli.prepareLoadDataFile(c, path, "1 a", "2 b") + dbt.mustExec(fmt.Sprintf("load data local infile %q into table t", path)) + rows := dbt.mustQuery("select * from t partition(p1) order by id") + cli.checkRows(c, rows, "1 a", "2 b") + // Test load data into multi-partitions. + dbt.mustExec("delete from t") + cli.prepareLoadDataFile(c, path, "1 a", "3 c", "4 e") + dbt.mustExec(fmt.Sprintf("load data local infile %q into table t", path)) + rows = dbt.mustQuery("select * from t order by id") + cli.checkRows(c, rows, "1 a", "3 c", "4 e") + // Test load data meet duplicate error. + cli.prepareLoadDataFile(c, path, "1 x", "2 b", "2 x", "7 a") + dbt.mustExec(fmt.Sprintf("load data local infile %q into table t", path)) + rows = dbt.mustQuery("show warnings") + cli.checkRows(c, rows, + "Warning 1062 Duplicate entry '1' for key 'idx'", + "Warning 1062 Duplicate entry '2' for key 'idx'") + rows = dbt.mustQuery("select * from t order by id") + cli.checkRows(c, rows, "1 a", "2 b", "3 c", "4 e", "7 a") + // Test load data meet no partition error. + cli.prepareLoadDataFile(c, path, "5 a", "100 x") + _, err := dbt.db.Exec(fmt.Sprintf("load data local infile %q into table t", path)) + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "Error 1526: Table has no partition for value 100") + rows = dbt.mustQuery("select * from t order by id") + cli.checkRows(c, rows, "1 a", "2 b", "3 c", "4 e", "7 a") + }) +} + +func (cli *testServerClient) runTestLoadDataForListPartition2(c *C) { + path := "/tmp/load_data_list_partition.csv" + defer func() { + _ = os.Remove(path) + }() + + cli.runTestsOnNewDB(c, func(config *mysql.Config) { + config.AllowAllFiles = true + config.Params = map[string]string{"sql_mode": "''"} + }, "load_data_list_partition", func(dbt *DBTest) { + dbt.mustExec(`create table t (id int, name varchar(10),b int generated always as (length(name)+1) virtual, + unique index idx (id,b)) partition by list (id*2 + b*b + b*b - b*b*2 - abs(id)) ( + partition p0 values in (3,5,6,9,17), + partition p1 values in (1,2,10,11,19,20), + partition p2 values in (4,12,13,14,18), + partition p3 values in (7,8,15,16,null) + );`) + // Test load data into 1 partition. + cli.prepareLoadDataFile(c, path, "1 a", "2 b") + dbt.mustExec(fmt.Sprintf("load data local infile %q into table t (id,name)", path)) + rows := dbt.mustQuery("select id,name from t partition(p1) order by id") + cli.checkRows(c, rows, "1 a", "2 b") + // Test load data into multi-partitions. + dbt.mustExec("delete from t") + cli.prepareLoadDataFile(c, path, "1 a", "3 c", "4 e") + dbt.mustExec(fmt.Sprintf("load data local infile %q into table t (id,name)", path)) + rows = dbt.mustQuery("select id,name from t order by id") + cli.checkRows(c, rows, "1 a", "3 c", "4 e") + // Test load data meet duplicate error. + cli.prepareLoadDataFile(c, path, "1 x", "2 b", "2 x", "7 a") + dbt.mustExec(fmt.Sprintf("load data local infile %q into table t (id,name)", path)) + rows = dbt.mustQuery("show warnings") + cli.checkRows(c, rows, + "Warning 1062 Duplicate entry '1-2' for key 'idx'", + "Warning 1062 Duplicate entry '2-2' for key 'idx'") + rows = dbt.mustQuery("select id,name from t order by id") + cli.checkRows(c, rows, "1 a", "2 b", "3 c", "4 e", "7 a") + // Test load data meet no partition error. + cli.prepareLoadDataFile(c, path, "5 a", "100 x") + _, err := dbt.db.Exec(fmt.Sprintf("load data local infile %q into table t (id,name)", path)) + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "Error 1526: Table has no partition for value 100") + rows = dbt.mustQuery("select id,name from t order by id") + cli.checkRows(c, rows, "1 a", "2 b", "3 c", "4 e", "7 a") + }) +} + +func (cli *testServerClient) runTestLoadDataForListColumnPartition(c *C) { + path := "/tmp/load_data_list_partition.csv" + defer func() { + _ = os.Remove(path) + }() + + cli.runTestsOnNewDB(c, func(config *mysql.Config) { + config.AllowAllFiles = true + config.Params = map[string]string{"sql_mode": "''"} + }, "load_data_list_partition", func(dbt *DBTest) { + dbt.mustExec(`create table t (id int, name varchar(10), + unique index idx (id)) partition by list columns (id) ( + partition p0 values in (3,5,6,9,17), + partition p1 values in (1,2,10,11,19,20), + partition p2 values in (4,12,13,14,18), + partition p3 values in (7,8,15,16,null) + );`) + // Test load data into 1 partition. + cli.prepareLoadDataFile(c, path, "1 a", "2 b") + dbt.mustExec(fmt.Sprintf("load data local infile %q into table t", path)) + rows := dbt.mustQuery("select * from t partition(p1) order by id") + cli.checkRows(c, rows, "1 a", "2 b") + // Test load data into multi-partitions. + dbt.mustExec("delete from t") + cli.prepareLoadDataFile(c, path, "1 a", "3 c", "4 e") + dbt.mustExec(fmt.Sprintf("load data local infile %q into table t", path)) + rows = dbt.mustQuery("select * from t order by id") + cli.checkRows(c, rows, "1 a", "3 c", "4 e") + // Test load data meet duplicate error. + cli.prepareLoadDataFile(c, path, "1 x", "2 b", "2 x", "7 a") + dbt.mustExec(fmt.Sprintf("load data local infile %q into table t", path)) + rows = dbt.mustQuery("show warnings") + cli.checkRows(c, rows, + "Warning 1062 Duplicate entry '1' for key 'idx'", + "Warning 1062 Duplicate entry '2' for key 'idx'") + rows = dbt.mustQuery("select * from t order by id") + cli.checkRows(c, rows, "1 a", "2 b", "3 c", "4 e", "7 a") + // Test load data meet no partition error. + cli.prepareLoadDataFile(c, path, "5 a", "100 x") + _, err := dbt.db.Exec(fmt.Sprintf("load data local infile %q into table t", path)) + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "Error 1526: Table has no partition for value from column_list") + rows = dbt.mustQuery("select * from t order by id") + cli.checkRows(c, rows, "1 a", "2 b", "3 c", "4 e", "7 a") + }) +} + +func (cli *testServerClient) runTestLoadDataForListColumnPartition2(c *C) { + path := "/tmp/load_data_list_partition.csv" + defer func() { + _ = os.Remove(path) + }() + + cli.runTestsOnNewDB(c, func(config *mysql.Config) { + config.AllowAllFiles = true + config.Params = map[string]string{"sql_mode": "''"} + }, "load_data_list_partition", func(dbt *DBTest) { + dbt.mustExec(`create table t (location varchar(10), id int, a int, unique index idx (location,id)) partition by list columns (location,id) ( + partition p_west values in (('w', 1),('w', 2),('w', 3),('w', 4)), + partition p_east values in (('e', 5),('e', 6),('e', 7),('e', 8)), + partition p_north values in (('n', 9),('n',10),('n',11),('n',12)), + partition p_south values in (('s',13),('s',14),('s',15),('s',16)) + );`) + // Test load data into 1 partition. + cli.prepareLoadDataFile(c, path, "w 1 1", "w 2 2") + dbt.mustExec(fmt.Sprintf("load data local infile %q into table t", path)) + rows := dbt.mustQuery("select * from t partition(p_west) order by id") + cli.checkRows(c, rows, "w 1 1", "w 2 2") + // Test load data into multi-partitions. + dbt.mustExec("delete from t") + cli.prepareLoadDataFile(c, path, "w 1 1", "e 5 5", "n 9 9") + dbt.mustExec(fmt.Sprintf("load data local infile %q into table t", path)) + rows = dbt.mustQuery("select * from t order by id") + cli.checkRows(c, rows, "w 1 1", "e 5 5", "n 9 9") + // Test load data meet duplicate error. + cli.prepareLoadDataFile(c, path, "w 1 2", "w 2 2") + dbt.mustExec(fmt.Sprintf("load data local infile %q into table t", path)) + rows = dbt.mustQuery("show warnings") + cli.checkRows(c, rows, "Warning 1062 Duplicate entry 'w-1' for key 'idx'") + rows = dbt.mustQuery("select * from t order by id") + cli.checkRows(c, rows, "w 1 1", "w 2 2", "e 5 5", "n 9 9") + // Test load data meet no partition error. + cli.prepareLoadDataFile(c, path, "w 3 3", "w 5 5", "e 8 8") + _, err := dbt.db.Exec(fmt.Sprintf("load data local infile %q into table t", path)) + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "Error 1526: Table has no partition for value from column_list") + cli.prepareLoadDataFile(c, path, "x 1 1", "w 1 1") + _, err = dbt.db.Exec(fmt.Sprintf("load data local infile %q into table t", path)) + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "Error 1526: Table has no partition for value from column_list") + rows = dbt.mustQuery("select * from t order by id") + cli.checkRows(c, rows, "w 1 1", "w 2 2", "e 5 5", "n 9 9") + }) +} + +func (cli *testServerClient) checkRows(c *C, rows *sql.Rows, expectedRows ...string) { + buf := bytes.NewBuffer(nil) + result := make([]string, 0, 2) + for rows.Next() { + cols, err := rows.Columns() + c.Assert(err, IsNil) + rawResult := make([][]byte, len(cols)) + dest := make([]interface{}, len(cols)) + for i := range rawResult { + dest[i] = &rawResult[i] + } + + err = rows.Scan(dest...) + c.Assert(err, IsNil) + buf.Reset() + for i, raw := range rawResult { + if i > 0 { + buf.WriteString(" ") + } + if raw == nil { + buf.WriteString("") + } else { + buf.WriteString(string(raw)) + } + } + result = append(result, buf.String()) + } + c.Assert(strings.Join(result, "\n"), Equals, strings.Join(expectedRows, "\n")) +} + func (cli *testServerClient) runTestLoadData(c *C, server *Server) { // create a file and write data. path := "/tmp/load_data_test.csv" diff --git a/server/tidb_test.go b/server/tidb_test.go index 0b6e661e5fb51..a3e361e9a7a7e 100644 --- a/server/tidb_test.go +++ b/server/tidb_test.go @@ -148,6 +148,13 @@ func (ts *tidbTestSerialSuite) TestLoadData(c *C) { ts.runTestLoadDataForSlowLog(c, ts.server) } +func (ts *tidbTestSerialSuite) TestLoadDataListPartition(c *C) { + ts.runTestLoadDataForListPartition(c) + ts.runTestLoadDataForListPartition2(c) + ts.runTestLoadDataForListColumnPartition(c) + ts.runTestLoadDataForListColumnPartition2(c) +} + func (ts *tidbTestSerialSuite) TestExplainFor(c *C) { ts.runTestExplainForConn(c) } diff --git a/table/tables/partition.go b/table/tables/partition.go index b4a318d154d50..6483747aa283d 100644 --- a/table/tables/partition.go +++ b/table/tables/partition.go @@ -665,9 +665,13 @@ func (t *partitionedTable) locateListPartition(ctx sessionctx.Context, pi *model if pi.Expr != "" { e, err := expression.ParseSimpleExprWithTableInfo(ctx, pi.Expr, t.meta) if err == nil { - val, _, err := e.EvalInt(ctx, chunk.MutRowFromDatums(r).ToRow()) + val, isNull, err := e.EvalInt(ctx, chunk.MutRowFromDatums(r).ToRow()) if err == nil { - valueMsg = fmt.Sprintf("%d", val) + if isNull { + valueMsg = fmt.Sprintf("NULL") + } else { + valueMsg = fmt.Sprintf("%d", val) + } } } } else { From 06cd92e05f0dfff1a139c1e5baca2ee24fb387b2 Mon Sep 17 00:00:00 2001 From: Morgan Tocker Date: Sat, 12 Dec 2020 06:45:12 -0700 Subject: [PATCH 0458/1021] types, expression: handle uint64 correctly in JSON (#21621) --- expression/integration_test.go | 10 ++++++++++ types/json/binary.go | 36 +++++++++++++++++----------------- 2 files changed, 28 insertions(+), 18 deletions(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index 15eb49a08d23e..4a3cf222d0ca6 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7931,6 +7931,16 @@ func (s *testIntegrationSuite) TestIssue17868(c *C) { tk.MustQuery("select col2 != 1 from t7").Check(testkit.Rows("1")) } +func (s *testIntegrationSuite) TestIssue21619(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustQuery(`select CAST("9223372036854775808" as json)`).Check(testkit.Rows("9223372036854775808")) + tk.MustQuery(`select json_type(CAST("9223372036854775808" as json))`).Check(testkit.Rows("UNSIGNED INTEGER")) + tk.MustQuery(`select CAST(9223372036854775808 as json)`).Check(testkit.Rows("9223372036854775808")) + tk.MustQuery(`select json_type(CAST(9223372036854775808 as json))`).Check(testkit.Rows("UNSIGNED INTEGER")) + tk.MustQuery(`select CAST(-9223372036854775808 as json)`).Check(testkit.Rows("-9223372036854775808")) + tk.MustQuery(`select json_type(CAST(-9223372036854775808 as json))`).Check(testkit.Rows("INTEGER")) +} + func (s *testIntegrationSuite) TestIssue10467(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/types/json/binary.go b/types/json/binary.go index eb31dd9eb2dab..061d656e5cc13 100644 --- a/types/json/binary.go +++ b/types/json/binary.go @@ -540,29 +540,29 @@ func appendUint32(buf []byte, v uint32) []byte { } func appendBinaryNumber(buf []byte, x json.Number) (TypeCode, []byte, error) { - var typeCode TypeCode + // The type interpretation process is as follows: + // - Attempt float64 if it contains Ee. + // - Next attempt int64 + // - Then uint64 (valid in MySQL JSON, not in JSON decode library) + // - Then float64 + // - Return an error if strings.ContainsAny(string(x), "Ee.") { - typeCode = TypeCodeFloat64 f64, err := x.Float64() if err != nil { - return typeCode, nil, errors.Trace(err) - } - buf = appendBinaryFloat64(buf, f64) - } else { - typeCode = TypeCodeInt64 - i64, err := x.Int64() - if err != nil { - typeCode = TypeCodeFloat64 - f64, err := x.Float64() - if err != nil { - return typeCode, nil, errors.Trace(err) - } - buf = appendBinaryFloat64(buf, f64) - } else { - buf = appendBinaryUint64(buf, uint64(i64)) + return TypeCodeFloat64, nil, errors.Trace(err) } + return TypeCodeFloat64, appendBinaryFloat64(buf, f64), nil + } else if val, err := x.Int64(); err == nil { + return TypeCodeInt64, appendBinaryUint64(buf, uint64(val)), nil + } else if val, err := strconv.ParseUint(string(x), 10, 64); err == nil { + return TypeCodeUint64, appendBinaryUint64(buf, val), nil } - return typeCode, buf, nil + val, err := x.Float64() + if err == nil { + return TypeCodeFloat64, appendBinaryFloat64(buf, val), nil + } + var typeCode TypeCode + return typeCode, nil, errors.Trace(err) } func appendBinaryString(buf []byte, v string) []byte { From 6e7613fec3b4531f9149c3fde0e332f637e162af Mon Sep 17 00:00:00 2001 From: jackvin <30525741+jackwener@users.noreply.github.com> Date: Mon, 14 Dec 2020 10:59:52 +0800 Subject: [PATCH 0459/1021] expression: fix the error of parsing time (#21513) --- expression/builtin_time.go | 6 ++---- expression/builtin_time_test.go | 5 ++++- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/expression/builtin_time.go b/expression/builtin_time.go index 370632aa7f177..eb69bdebd8500 100644 --- a/expression/builtin_time.go +++ b/expression/builtin_time.go @@ -5852,10 +5852,8 @@ func (b *builtinMakeTimeSig) makeTime(hour int64, minute int64, second float64, hour = 838 overflow = true } - if hour == -838 || hour == 838 { - if second > 59 { - second = 59 - } + if (hour == -838 || hour == 838) && minute == 59 && second > 59 { + overflow = true } if overflow { minute = 59 diff --git a/expression/builtin_time_test.go b/expression/builtin_time_test.go index 3abeb73e4021a..77fe3ae06ea74 100644 --- a/expression/builtin_time_test.go +++ b/expression/builtin_time_test.go @@ -2180,7 +2180,10 @@ func (s *testEvaluatorSuite) TestMakeTime(c *C) { {[]interface{}{0, 0, 0}, "00:00:00"}, {[]interface{}{837, 59, 59.1}, "837:59:59.100000"}, - {[]interface{}{838, 59, 59.1}, "838:59:59.000000"}, + {[]interface{}{838, 0, 59.1}, "838:00:59.100000"}, + {[]interface{}{838, 50, 59.999}, "838:50:59.999000"}, + {[]interface{}{838, 58, 59.1}, "838:58:59.100000"}, + {[]interface{}{838, 58, 59.999}, "838:58:59.999000"}, {[]interface{}{838, 59, 59.1}, "838:59:59.000000"}, {[]interface{}{-838, 59, 59.1}, "-838:59:59.000000"}, {[]interface{}{1000, 1, 1}, "838:59:59"}, {[]interface{}{-1000, 1, 1.23}, "-838:59:59.000000"}, From 49b926ede766b316cc42bdf40d9ada37deb67968 Mon Sep 17 00:00:00 2001 From: dongyan <34701401+dyzsr@users.noreply.github.com> Date: Mon, 14 Dec 2020 14:33:17 +0800 Subject: [PATCH 0460/1021] planner: check for only_full_group_by in ORDER BY and HAVING (#21216) --- errno/errcode.go | 1 + errno/errname.go | 1 + errors.toml | 5 +++ planner/core/errors.go | 1 + planner/core/integration_test.go | 12 ++++++++ planner/core/logical_plan_builder.go | 46 +++++++++++++++++++++++----- 6 files changed, 58 insertions(+), 8 deletions(-) diff --git a/errno/errcode.go b/errno/errcode.go index e698b65098737..ecb29085b3a17 100644 --- a/errno/errcode.go +++ b/errno/errcode.go @@ -823,6 +823,7 @@ const ( ErrMaxExecTimeExceeded = 1907 ErrInvalidFieldSize = 3013 ErrInvalidArgumentForLogarithm = 3020 + ErrAggregateOrderNonAggQuery = 3029 ErrIncorrectType = 3064 ErrFieldInOrderNotSelect = 3065 ErrAggregateInOrderNotSelect = 3066 diff --git a/errno/errname.go b/errno/errname.go index 76eb745a1013c..367569dcd46f2 100644 --- a/errno/errname.go +++ b/errno/errname.go @@ -835,6 +835,7 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrUnresolvedHintName: mysql.Message("Unresolved name '%s' for %s hint", nil), ErrInvalidFieldSize: mysql.Message("Invalid size for column '%s'.", nil), ErrInvalidArgumentForLogarithm: mysql.Message("Invalid argument for logarithm", nil), + ErrAggregateOrderNonAggQuery: mysql.Message("Expression #%d of ORDER BY contains aggregate function and applies to the result of a non-aggregated query", nil), ErrIncorrectType: mysql.Message("Incorrect type for argument %s in function %s.", nil), ErrFieldInOrderNotSelect: mysql.Message("Expression #%d of ORDER BY clause is not in SELECT list, references column '%s' which is not in SELECT list; this is incompatible with %s", nil), ErrAggregateInOrderNotSelect: mysql.Message("Expression #%d of ORDER BY clause is not in SELECT list, contains aggregate function; this is incompatible with %s", nil), diff --git a/errors.toml b/errors.toml index 08aec827a4ba9..6c3506eaaa2d2 100644 --- a/errors.toml +++ b/errors.toml @@ -936,6 +936,11 @@ error = ''' Internal : %s ''' +["planner:3029"] +error = ''' +Expression #%d of ORDER BY contains aggregate function and applies to the result of a non-aggregated query +''' + ["planner:3065"] error = ''' Expression #%d of ORDER BY clause is not in SELECT list, references column '%s' which is not in SELECT list; this is incompatible with %s diff --git a/planner/core/errors.go b/planner/core/errors.go index 175a76c9a824e..01ebc13b1afa7 100644 --- a/planner/core/errors.go +++ b/planner/core/errors.go @@ -35,6 +35,7 @@ var ( ErrWrongNumberOfColumnsInSelect = dbterror.ClassOptimizer.NewStd(mysql.ErrWrongNumberOfColumnsInSelect) ErrBadGeneratedColumn = dbterror.ClassOptimizer.NewStd(mysql.ErrBadGeneratedColumn) ErrFieldNotInGroupBy = dbterror.ClassOptimizer.NewStd(mysql.ErrFieldNotInGroupBy) + ErrAggregateOrderNonAggQuery = dbterror.ClassOptimizer.NewStd(mysql.ErrAggregateOrderNonAggQuery) ErrFieldInOrderNotSelect = dbterror.ClassOptimizer.NewStd(mysql.ErrFieldInOrderNotSelect) ErrAggregateInOrderNotSelect = dbterror.ClassOptimizer.NewStd(mysql.ErrAggregateInOrderNotSelect) ErrBadTable = dbterror.ClassOptimizer.NewStd(mysql.ErrBadTable) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 3233e753ae0c4..71e37e4831bca 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1953,6 +1953,18 @@ func (s *testIntegrationSuite) TestMultiUpdateOnPrimaryKey(c *C) { tk.MustQuery("select * from t").Check(testkit.Rows("11 12")) } +func (s *testIntegrationSuite) TestOrderByHavingNotInSelect(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists ttest") + tk.MustExec("create table ttest (v1 int, v2 int)") + tk.MustExec("insert into ttest values(1, 2), (4,6), (1, 7)") + tk.MustGetErrMsg("select v1 from ttest order by count(v2)", + "[planner:3029]Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query") + tk.MustGetErrMsg("select v1 from ttest having count(v2)", + "[planner:8123]In aggregated query without GROUP BY, expression #1 of SELECT list contains nonaggregated column 'v1'; this is incompatible with sql_mode=only_full_group_by") +} + func (s *testIntegrationSuite) TestUpdateSetDefault(c *C) { // #20598 tk := testkit.NewTestKit(c, s.store) diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index 71dfefff8c09b..9247f42c917f3 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -2410,7 +2410,7 @@ func (b *PlanBuilder) checkOnlyFullGroupBy(p LogicalPlan, sel *ast.SelectStmt) ( if sel.GroupBy != nil { err = b.checkOnlyFullGroupByWithGroupClause(p, sel) } else { - err = b.checkOnlyFullGroupByWithOutGroupClause(p, sel.Fields.Fields) + err = b.checkOnlyFullGroupByWithOutGroupClause(p, sel) } return err } @@ -2484,9 +2484,10 @@ func (b *PlanBuilder) checkOnlyFullGroupByWithGroupClause(p LogicalPlan, sel *as return nil } -func (b *PlanBuilder) checkOnlyFullGroupByWithOutGroupClause(p LogicalPlan, fields []*ast.SelectField) error { +func (b *PlanBuilder) checkOnlyFullGroupByWithOutGroupClause(p LogicalPlan, sel *ast.SelectStmt) error { resolver := colResolverForOnlyFullGroupBy{} - for idx, field := range fields { + resolver.curClause = fieldList + for idx, field := range sel.Fields.Fields { resolver.exprIdx = idx field.Accept(&resolver) err := resolver.Check() @@ -2494,22 +2495,47 @@ func (b *PlanBuilder) checkOnlyFullGroupByWithOutGroupClause(p LogicalPlan, fiel return err } } + if resolver.firstNonAggCol != nil { + if sel.Having != nil { + sel.Having.Expr.Accept(&resolver) + err := resolver.Check() + if err != nil { + return err + } + } + if sel.OrderBy != nil { + resolver.curClause = orderByClause + for idx, byItem := range sel.OrderBy.Items { + resolver.exprIdx = idx + byItem.Expr.Accept(&resolver) + err := resolver.Check() + if err != nil { + return err + } + } + } + } return nil } // colResolverForOnlyFullGroupBy visits Expr tree to find out if an Expr tree is an aggregation function. // If so, find out the first column name that not in an aggregation function. type colResolverForOnlyFullGroupBy struct { - firstNonAggCol *ast.ColumnName - exprIdx int - firstNonAggColIdx int - hasAggFuncOrAnyValue bool + firstNonAggCol *ast.ColumnName + exprIdx int + firstNonAggColIdx int + hasAggFuncOrAnyValue bool + firstOrderByAggColIdx int + curClause clauseCode } func (c *colResolverForOnlyFullGroupBy) Enter(node ast.Node) (ast.Node, bool) { switch t := node.(type) { case *ast.AggregateFuncExpr: c.hasAggFuncOrAnyValue = true + if c.curClause == orderByClause { + c.firstOrderByAggColIdx = c.exprIdx + } return node, true case *ast.FuncCallExpr: // enable function `any_value` in aggregation even `ONLY_FULL_GROUP_BY` is set @@ -2534,7 +2560,11 @@ func (c *colResolverForOnlyFullGroupBy) Leave(node ast.Node) (ast.Node, bool) { func (c *colResolverForOnlyFullGroupBy) Check() error { if c.hasAggFuncOrAnyValue && c.firstNonAggCol != nil { - return ErrMixOfGroupFuncAndFields.GenWithStackByArgs(c.firstNonAggColIdx+1, c.firstNonAggCol.Name.O) + if c.curClause == fieldList { + return ErrMixOfGroupFuncAndFields.GenWithStackByArgs(c.firstNonAggColIdx+1, c.firstNonAggCol.Name.O) + } else if c.curClause == orderByClause { + return ErrAggregateOrderNonAggQuery.GenWithStackByArgs(c.firstOrderByAggColIdx + 1) + } } return nil } From 5acff8de7a17477a23ed3c4a472315554083ebc6 Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Mon, 14 Dec 2020 15:06:35 +0800 Subject: [PATCH 0461/1021] *: Revert "#19008" and "#18788" (#21599) --- config/config.go | 7 - config/config.toml.example | 4 - config/config_test.go | 2 - config/config_util_test.go | 3 +- executor/analyze_test.go | 4 +- executor/infoschema_reader_test.go | 4 +- executor/simple_test.go | 2 +- planner/core/cbo_test.go | 4 +- planner/core/find_best_task.go | 2 +- planner/core/planbuilder.go | 38 +++- sessionctx/variable/session.go | 6 +- sessionctx/variable/sysvar.go | 1 - sessionctx/variable/tidb_vars.go | 1 - sessionctx/variable/varsutil_test.go | 1 - statistics/handle/bootstrap.go | 253 ++++++------------------- statistics/handle/dump_test.go | 2 +- statistics/handle/handle.go | 189 +++++++++---------- statistics/handle/handle_test.go | 34 ++-- statistics/handle/statscache.go | 170 ----------------- statistics/handle/statscache_test.go | 269 --------------------------- statistics/handle/update.go | 14 +- statistics/handle/update_test.go | 4 +- statistics/histogram.go | 25 +-- statistics/selectivity_test.go | 2 +- statistics/table.go | 101 +--------- tidb-server/main.go | 1 - util/kvcache/simple_lru.go | 11 -- 27 files changed, 213 insertions(+), 941 deletions(-) delete mode 100644 statistics/handle/statscache.go delete mode 100644 statistics/handle/statscache_test.go diff --git a/config/config.go b/config/config.go index f3be588ec2355..afdb129e7568d 100644 --- a/config/config.go +++ b/config/config.go @@ -55,8 +55,6 @@ const ( DefIndexLimit = 64 // DefMaxOfIndexLimit is the maximum limitation of index on a single table for TiDB. DefMaxOfIndexLimit = 64 * 8 - // DefMinQuotaStatistics is the minimum statistic memory quota(in bytes). - DefMinQuotaStatistics = 32 << 30 // DefPort is the default port of TiDB DefPort = 4000 // DefStatusPort is the default status port of TiDB @@ -105,7 +103,6 @@ type Config struct { TempStoragePath string `toml:"tmp-storage-path" json:"tmp-storage-path"` OOMAction string `toml:"oom-action" json:"oom-action"` MemQuotaQuery int64 `toml:"mem-quota-query" json:"mem-quota-query"` - MemQuotaStatistics int64 `toml:"mem-quota-statistics" json:"mem-quota-statistics"` NestedLoopJoinCacheCapacity int64 `toml:"nested-loop-join-cache-capacity" json:"nested-loop-join-cache-capacity"` // TempStorageQuota describe the temporary storage Quota during query exector when OOMUseTmpStorage is enabled // If the quota exceed the capacity of the TempStoragePath, the tidb-server would exit with fatal error @@ -644,7 +641,6 @@ var defaultConf = Config{ TempStoragePath: tempStorageDirName, OOMAction: OOMActionCancel, MemQuotaQuery: 1 << 30, - MemQuotaStatistics: 32 << 30, NestedLoopJoinCacheCapacity: 20971520, EnableStreaming: false, EnableBatchDML: false, @@ -1002,9 +998,6 @@ func (c *Config) Valid() error { if c.PreparedPlanCache.MemoryGuardRatio < 0 || c.PreparedPlanCache.MemoryGuardRatio > 1 { return fmt.Errorf("memory-guard-ratio in [prepared-plan-cache] must be NOT less than 0 and more than 1") } - if c.MemQuotaStatistics < DefMinQuotaStatistics { - return fmt.Errorf("memory-quota-statistics should be greater than %dB", DefMinQuotaStatistics) - } if len(c.IsolationRead.Engines) < 1 { return fmt.Errorf("the number of [isolation-read]engines for isolation read should be at least 1") } diff --git a/config/config.toml.example b/config/config.toml.example index 068ce0ed42e81..9c40fbf24e304 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -34,10 +34,6 @@ token-limit = 1000 # The maximum memory available for a single SQL statement. Default: 1GB mem-quota-query = 1073741824 -# The maximum memory limitation for statistics. Default: 32GB -# This value must not be less than 32GB. -mem-quota-statistics = 34359738368 - # The maximum number available of a NLJ cache for a single SQL statement. Default: 20MB nested-loop-join-cache-capacity = 20971520 diff --git a/config/config_test.go b/config/config_test.go index f13bb486f490d..09465f8d2d54f 100644 --- a/config/config_test.go +++ b/config/config_test.go @@ -188,7 +188,6 @@ server-version = "test_version" repair-mode = true max-server-connections = 200 mem-quota-query = 10000 -mem-quota-statistics = 10000 nested-loop-join-cache-capacity = 100 max-index-length = 3080 index-limit = 70 @@ -261,7 +260,6 @@ spilled-file-encryption-method = "plaintext" c.Assert(conf.RepairMode, Equals, true) c.Assert(conf.MaxServerConnections, Equals, uint32(200)) c.Assert(conf.MemQuotaQuery, Equals, int64(10000)) - c.Assert(conf.MemQuotaStatistics, Equals, int64(10000)) c.Assert(conf.NestedLoopJoinCacheCapacity, Equals, int64(100)) c.Assert(conf.IsolationRead.Engines, DeepEquals, []string{"tiflash"}) c.Assert(conf.MaxIndexLength, Equals, 3080) diff --git a/config/config_util_test.go b/config/config_util_test.go index 1df11a8c5d5f8..7972fcf706000 100644 --- a/config/config_util_test.go +++ b/config/config_util_test.go @@ -56,7 +56,6 @@ func (s *testConfigSuite) TestMergeConfigItems(c *C) { newConf.Performance.PseudoEstimateRatio = 123 newConf.OOMAction = "panic" newConf.MemQuotaQuery = 123 - newConf.MemQuotaStatistics = 123 newConf.TiKVClient.StoreLimit = 123 // rejected @@ -67,7 +66,7 @@ func (s *testConfigSuite) TestMergeConfigItems(c *C) { as, rs := MergeConfigItems(oldConf, newConf) c.Assert(len(as), Equals, 10) - c.Assert(len(rs), Equals, 4) + c.Assert(len(rs), Equals, 3) for _, a := range as { _, ok := dynamicConfigItems[a] c.Assert(ok, IsTrue) diff --git a/executor/analyze_test.go b/executor/analyze_test.go index b594bf7b72fa1..0c26ef3de110c 100644 --- a/executor/analyze_test.go +++ b/executor/analyze_test.go @@ -197,14 +197,14 @@ func (s *testSuite1) TestAnalyzeParameters(c *C) { c.Assert(width, Equals, int32(4)) // Test very large cmsketch - tk.MustExec(fmt.Sprintf("analyze table t with %d cmsketch width, %d cmsketch depth", statistics.CMSketchSizeLimit, 1)) + tk.MustExec(fmt.Sprintf("analyze table t with %d cmsketch width, %d cmsketch depth", core.CMSketchSizeLimit, 1)) tbl = s.dom.StatsHandle().GetTableStats(tableInfo) col = tbl.Columns[1] c.Assert(col.Len(), Equals, 20) c.Assert(len(col.TopN.TopN), Equals, 1) width, depth = col.CMSketch.GetWidthAndDepth() c.Assert(depth, Equals, int32(1)) - c.Assert(width, Equals, int32(statistics.CMSketchSizeLimit)) + c.Assert(width, Equals, int32(core.CMSketchSizeLimit)) // Test very large cmsketch tk.MustExec("analyze table t with 20480 cmsketch width, 50 cmsketch depth") diff --git a/executor/infoschema_reader_test.go b/executor/infoschema_reader_test.go index dde740ceb0687..28b39ec16b838 100644 --- a/executor/infoschema_reader_test.go +++ b/executor/infoschema_reader_test.go @@ -365,7 +365,7 @@ func (s *testInfoschemaTableSerialSuite) TestDataForTableStatsField(c *C) { defer func() { executor.TableStatsCacheExpiry = oldExpiryTime }() do := s.dom h := do.StatsHandle() - h.Clear4Test() + h.Clear() is := do.InfoSchema() tk := testkit.NewTestKit(c, s.store) @@ -414,7 +414,7 @@ func (s *testInfoschemaTableSerialSuite) TestPartitionsTable(c *C) { defer func() { executor.TableStatsCacheExpiry = oldExpiryTime }() do := s.dom h := do.StatsHandle() - h.Clear4Test() + h.Clear() is := do.InfoSchema() tk := testkit.NewTestKit(c, s.store) diff --git a/executor/simple_test.go b/executor/simple_test.go index c47fa2cf459e3..cefce46c76368 100644 --- a/executor/simple_test.go +++ b/executor/simple_test.go @@ -600,7 +600,7 @@ func (s *testSuite3) TestDropStats(c *C) { c.Assert(err, IsNil) tableInfo := tbl.Meta() h := do.StatsHandle() - h.Clear4Test() + h.Clear() testKit.MustExec("analyze table t") statsTbl := h.GetTableStats(tableInfo) c.Assert(statsTbl.Pseudo, IsFalse) diff --git a/planner/core/cbo_test.go b/planner/core/cbo_test.go index e15bc395eb8b4..fc60c85817d40 100644 --- a/planner/core/cbo_test.go +++ b/planner/core/cbo_test.go @@ -496,7 +496,7 @@ func (s *testAnalyzeSuite) TestNullCount(c *C) { testKit.MustQuery(input[i]).Check(testkit.Rows(output[i]...)) } h := dom.StatsHandle() - h.Clear4Test() + h.Clear() c.Assert(h.Update(dom.InfoSchema()), IsNil) for i := 2; i < 4; i++ { s.testData.OnRecord(func() { @@ -552,7 +552,7 @@ func (s *testAnalyzeSuite) TestInconsistentEstimation(c *C) { tk.MustExec("analyze table t with 2 buckets") // Force using the histogram to estimate. tk.MustExec("update mysql.stats_histograms set stats_ver = 0") - dom.StatsHandle().Clear4Test() + dom.StatsHandle().Clear() dom.StatsHandle().Update(dom.InfoSchema()) // Using the histogram (a, b) to estimate `a = 5` will get 1.22, while using the CM Sketch to estimate // the `a = 5 and c = 5` will get 10, it is not consistent. diff --git a/planner/core/find_best_task.go b/planner/core/find_best_task.go index 71f53e30f3dd2..a5ed51788988c 100644 --- a/planner/core/find_best_task.go +++ b/planner/core/find_best_task.go @@ -1246,7 +1246,7 @@ func getColumnRangeCounts(sc *stmtctx.StatementContext, colID int64, ranges []*r for i, ran := range ranges { if idxID >= 0 { idxHist := histColl.Indices[idxID] - if idxHist == nil || idxHist.IsInvalid(sc, false) { + if idxHist == nil || idxHist.IsInvalid(false) { return nil, false } count, err = histColl.GetRowCountByIndexRanges(sc, idxID, []*ranger.Range{ran}) diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index 540e77ee87bdd..937c62ed77866 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -16,6 +16,7 @@ package core import ( "bytes" "context" + "encoding/binary" "fmt" "strings" "time" @@ -41,7 +42,7 @@ import ( "github.com/pingcap/tidb/store/tikv" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/types" - "github.com/pingcap/tidb/types/parser_driver" + driver "github.com/pingcap/tidb/types/parser_driver" util2 "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/execdetails" @@ -1705,25 +1706,44 @@ func (b *PlanBuilder) buildAnalyzeAllIndex(as *ast.AnalyzeTableStmt, opts map[as return p, nil } +// CMSketchSizeLimit indicates the size limit of CMSketch. +var CMSketchSizeLimit = kv.TxnEntrySizeLimit / binary.MaxVarintLen32 + +var analyzeOptionLimit = map[ast.AnalyzeOptionType]uint64{ + ast.AnalyzeOptNumBuckets: 1024, + ast.AnalyzeOptNumTopN: 1024, + ast.AnalyzeOptCMSketchWidth: CMSketchSizeLimit, + ast.AnalyzeOptCMSketchDepth: CMSketchSizeLimit, + ast.AnalyzeOptNumSamples: 100000, +} + +var analyzeOptionDefault = map[ast.AnalyzeOptionType]uint64{ + ast.AnalyzeOptNumBuckets: 256, + ast.AnalyzeOptNumTopN: 20, + ast.AnalyzeOptCMSketchWidth: 2048, + ast.AnalyzeOptCMSketchDepth: 5, + ast.AnalyzeOptNumSamples: 10000, +} + func handleAnalyzeOptions(opts []ast.AnalyzeOpt) (map[ast.AnalyzeOptionType]uint64, error) { - optMap := make(map[ast.AnalyzeOptionType]uint64, len(statistics.AnalyzeOptionDefault)) - for key, val := range statistics.AnalyzeOptionDefault { + optMap := make(map[ast.AnalyzeOptionType]uint64, len(analyzeOptionDefault)) + for key, val := range analyzeOptionDefault { optMap[key] = val } for _, opt := range opts { if opt.Type == ast.AnalyzeOptNumTopN { - if opt.Value > statistics.AnalyzeOptionLimit[opt.Type] { - return nil, errors.Errorf("value of analyze option %s should not larger than %d", ast.AnalyzeOptionString[opt.Type], statistics.AnalyzeOptionLimit[opt.Type]) + if opt.Value > analyzeOptionLimit[opt.Type] { + return nil, errors.Errorf("value of analyze option %s should not larger than %d", ast.AnalyzeOptionString[opt.Type], analyzeOptionLimit[opt.Type]) } } else { - if opt.Value == 0 || opt.Value > statistics.AnalyzeOptionLimit[opt.Type] { - return nil, errors.Errorf("value of analyze option %s should be positive and not larger than %d", ast.AnalyzeOptionString[opt.Type], statistics.AnalyzeOptionLimit[opt.Type]) + if opt.Value == 0 || opt.Value > analyzeOptionLimit[opt.Type] { + return nil, errors.Errorf("value of analyze option %s should be positive and not larger than %d", ast.AnalyzeOptionString[opt.Type], analyzeOptionLimit[opt.Type]) } } optMap[opt.Type] = opt.Value } - if optMap[ast.AnalyzeOptCMSketchWidth]*optMap[ast.AnalyzeOptCMSketchDepth] > statistics.CMSketchSizeLimit { - return nil, errors.Errorf("cm sketch size(depth * width) should not larger than %d", statistics.CMSketchSizeLimit) + if optMap[ast.AnalyzeOptCMSketchWidth]*optMap[ast.AnalyzeOptCMSketchDepth] > CMSketchSizeLimit { + return nil, errors.Errorf("cm sketch size(depth * width) should not larger than %d", CMSketchSizeLimit) } return optMap, nil } diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 66bf237403f8d..b423f8399be44 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -937,7 +937,6 @@ func NewSessionVars() *SessionVars { } vars.MemQuota = MemQuota{ MemQuotaQuery: config.GetGlobalConfig().MemQuotaQuery, - MemQuotaStatistics: config.GetGlobalConfig().MemQuotaStatistics, NestedLoopJoinCacheCapacity: config.GetGlobalConfig().NestedLoopJoinCacheCapacity, // The variables below do not take any effect anymore, it's remaining for compatibility. @@ -1419,8 +1418,6 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.InitChunkSize = tidbOptPositiveInt32(val, DefInitChunkSize) case TIDBMemQuotaQuery: s.MemQuotaQuery = tidbOptInt64(val, config.GetGlobalConfig().MemQuotaQuery) - case TIDBMemQuotaStatistics: - s.MemQuotaStatistics = tidbOptInt64(val, config.GetGlobalConfig().MemQuotaStatistics) case TIDBNestedLoopJoinCacheCapacity: s.NestedLoopJoinCacheCapacity = tidbOptInt64(val, config.GetGlobalConfig().NestedLoopJoinCacheCapacity) case TIDBMemQuotaHashJoin: @@ -1936,8 +1933,7 @@ func (c *Concurrency) UnionConcurrency() int { type MemQuota struct { // MemQuotaQuery defines the memory quota for a query. MemQuotaQuery int64 - // MemQuotaStatistics defines the memory quota for the statistic Cache. - MemQuotaStatistics int64 + // NestedLoopJoinCacheCapacity defines the memory capacity for apply cache. NestedLoopJoinCacheCapacity int64 diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index ace7948bb86c8..bbf75260218ac 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -999,7 +999,6 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableCascadesPlanner, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableIndexMerge, Value: BoolOff, Type: TypeBool}, {Scope: ScopeSession, Name: TIDBMemQuotaQuery, Value: strconv.FormatInt(config.GetGlobalConfig().MemQuotaQuery, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, - {Scope: ScopeGlobal, Name: TIDBMemQuotaStatistics, Value: strconv.FormatInt(config.GetGlobalConfig().MemQuotaStatistics, 10), Type: TypeInt, MinValue: int64(32 << 30), MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TIDBMemQuotaHashJoin, Value: strconv.FormatInt(DefTiDBMemQuotaHashJoin, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TIDBMemQuotaMergeJoin, Value: strconv.FormatInt(DefTiDBMemQuotaMergeJoin, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TIDBMemQuotaSort, Value: strconv.FormatInt(DefTiDBMemQuotaSort, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index eca34f02f22ae..48af16db9ea5e 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -97,7 +97,6 @@ const ( // The following session variables controls the memory quota during query execution. // "tidb_mem_quota_query": control the memory quota of a query. TIDBMemQuotaQuery = "tidb_mem_quota_query" // Bytes. - TIDBMemQuotaStatistics = "tidb_mem_quota_statistics" TIDBNestedLoopJoinCacheCapacity = "tidb_nested_loop_join_cache_capacity" // TODO: remove them below sometime, it should have only one Quota(TIDBMemQuotaQuery). TIDBMemQuotaHashJoin = "tidb_mem_quota_hashjoin" // Bytes. diff --git a/sessionctx/variable/varsutil_test.go b/sessionctx/variable/varsutil_test.go index 47d79df8752cd..43668179f3c1f 100644 --- a/sessionctx/variable/varsutil_test.go +++ b/sessionctx/variable/varsutil_test.go @@ -88,7 +88,6 @@ func (s *testVarsutilSuite) TestNewSessionVars(c *C) { c.Assert(vars.MaxChunkSize, Equals, DefMaxChunkSize) c.Assert(vars.DMLBatchSize, Equals, DefDMLBatchSize) c.Assert(vars.MemQuotaQuery, Equals, config.GetGlobalConfig().MemQuotaQuery) - c.Assert(vars.MemQuotaStatistics, Equals, config.GetGlobalConfig().MemQuotaStatistics) c.Assert(vars.MemQuotaHashJoin, Equals, int64(DefTiDBMemQuotaHashJoin)) c.Assert(vars.MemQuotaMergeJoin, Equals, int64(DefTiDBMemQuotaMergeJoin)) c.Assert(vars.MemQuotaSort, Equals, int64(DefTiDBMemQuotaSort)) diff --git a/statistics/handle/bootstrap.go b/statistics/handle/bootstrap.go index b264a49a1e029..12e4ec8c67f3a 100644 --- a/statistics/handle/bootstrap.go +++ b/statistics/handle/bootstrap.go @@ -15,12 +15,10 @@ package handle import ( "context" - "encoding/binary" "fmt" "github.com/cznic/mathutil" "github.com/pingcap/errors" - "github.com/pingcap/parser/ast" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" @@ -34,11 +32,7 @@ import ( "go.uber.org/zap" ) -// defaultCMSAndHistSize is the default statistics data size for one (CMSKetch + Histogram). -var defaultCMSAndHistSize = int64(statistics.AnalyzeOptionDefault[ast.AnalyzeOptCMSketchWidth]*statistics.AnalyzeOptionDefault[ast.AnalyzeOptCMSketchDepth]*binary.MaxVarintLen32) + - int64(statistics.AnalyzeOptionDefault[ast.AnalyzeOptNumBuckets]*2*binary.MaxVarintLen64) - -func (h *Handle) initStatsMeta4Chunk(is infoschema.InfoSchema, tables map[int64]*statistics.Table, iter *chunk.Iterator4Chunk) { +func (h *Handle) initStatsMeta4Chunk(is infoschema.InfoSchema, cache *statsCache, iter *chunk.Iterator4Chunk) { for row := iter.Begin(); row != iter.End(); row = iter.Next() { physicalID := row.GetInt64(1) table, ok := h.getTableByPhysicalID(is, physicalID) @@ -60,45 +54,43 @@ func (h *Handle) initStatsMeta4Chunk(is infoschema.InfoSchema, tables map[int64] Version: row.GetUint64(0), Name: getFullTableName(is, tableInfo), } - // Ignore the memory usage, it will be calculated later. - tables[tbl.PhysicalID] = tbl + cache.tables[physicalID] = tbl } } -func (h *Handle) initStatsMeta(is infoschema.InfoSchema) (map[int64]*statistics.Table, error) { +func (h *Handle) initStatsMeta(is infoschema.InfoSchema) (statsCache, error) { sql := "select HIGH_PRIORITY version, table_id, modify_count, count from mysql.stats_meta" rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) if len(rc) > 0 { defer terror.Call(rc[0].Close) } if err != nil { - return nil, errors.Trace(err) + return statsCache{}, errors.Trace(err) } - tables := make(map[int64]*statistics.Table) - + tables := statsCache{tables: make(map[int64]*statistics.Table)} req := rc[0].NewChunk() iter := chunk.NewIterator4Chunk(req) for { err := rc[0].Next(context.TODO(), req) if err != nil { - return nil, errors.Trace(err) + return statsCache{}, errors.Trace(err) } if req.NumRows() == 0 { break } - h.initStatsMeta4Chunk(is, tables, iter) + h.initStatsMeta4Chunk(is, &tables, iter) } return tables, nil } -func (h *Handle) initStatsHistograms4Chunk(is infoschema.InfoSchema, tables map[int64]*statistics.Table, iter *chunk.Iterator4Chunk) { +func (h *Handle) initStatsHistograms4Chunk(is infoschema.InfoSchema, cache *statsCache, iter *chunk.Iterator4Chunk) { for row := iter.Begin(); row != iter.End(); row = iter.Next() { - table, ok := tables[row.GetInt64(0)] + table, ok := cache.tables[row.GetInt64(0)] if !ok { continue } - id, ndv, nullCount, version, totColSize := row.GetInt64(2), row.GetInt64(3), row.GetInt64(5), row.GetUint64(4), row.GetInt64(6) - lastAnalyzePos := row.GetDatum(10, types.NewFieldType(mysql.TypeBlob)) + id, ndv, nullCount, version, totColSize := row.GetInt64(2), row.GetInt64(3), row.GetInt64(5), row.GetUint64(4), row.GetInt64(7) + lastAnalyzePos := row.GetDatum(11, types.NewFieldType(mysql.TypeBlob)) tbl, _ := h.getTableByPhysicalID(is, table.PhysicalID) if row.GetInt64(1) > 0 { var idxInfo *model.IndexInfo @@ -111,13 +103,19 @@ func (h *Handle) initStatsHistograms4Chunk(is infoschema.InfoSchema, tables map[ if idxInfo == nil { continue } - hist := statistics.NewHistogram(id, ndv, nullCount, version, types.NewFieldType(mysql.TypeBlob), 0, 0) + cms, topN, err := statistics.DecodeCMSketchAndTopN(row.GetBytes(6), nil) + if err != nil { + cms = nil + terror.Log(errors.Trace(err)) + } + hist := statistics.NewHistogram(id, ndv, nullCount, version, types.NewFieldType(mysql.TypeBlob), chunk.InitialCapacity, 0) index := &statistics.Index{ - Histogram: *hist, - PhysicalID: table.PhysicalID, - Info: idxInfo, - StatsVer: row.GetInt64(7), - Flag: row.GetInt64(9), + Histogram: *hist, + CMSketch: cms, + TopN: topN, + Info: idxInfo, + StatsVer: row.GetInt64(8), + Flag: row.GetInt64(10), } lastAnalyzePos.Copy(&index.LastAnalyzePos) table.Indices[hist.ID] = index @@ -133,14 +131,14 @@ func (h *Handle) initStatsHistograms4Chunk(is infoschema.InfoSchema, tables map[ continue } hist := statistics.NewHistogram(id, ndv, nullCount, version, &colInfo.FieldType, 0, totColSize) - hist.Correlation = row.GetFloat64(8) + hist.Correlation = row.GetFloat64(9) col := &statistics.Column{ Histogram: *hist, PhysicalID: table.PhysicalID, Info: colInfo, Count: nullCount, IsHandle: tbl.Meta().PKIsHandle && mysql.HasPriKeyFlag(colInfo.Flag), - Flag: row.GetInt64(9), + Flag: row.GetInt64(10), } lastAnalyzePos.Copy(&col.LastAnalyzePos) table.Columns[hist.ID] = col @@ -148,73 +146,8 @@ func (h *Handle) initStatsHistograms4Chunk(is infoschema.InfoSchema, tables map[ } } -// initStatsHistograms loads ALL the meta data except cm_sketch. -func (h *Handle) initStatsHistograms(is infoschema.InfoSchema, tables map[int64]*statistics.Table) error { - sql := "select HIGH_PRIORITY table_id, is_index, hist_id, distinct_count, version," + - " null_count, tot_col_size, stats_ver, correlation, flag, last_analyze_pos " + - "from mysql.stats_histograms" - rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) - if len(rc) > 0 { - defer terror.Call(rc[0].Close) - } - if err != nil { - return errors.Trace(err) - } - req := rc[0].NewChunk() - iter := chunk.NewIterator4Chunk(req) - for { - err := rc[0].Next(context.TODO(), req) - if err != nil { - return errors.Trace(err) - } - if req.NumRows() == 0 { - break - } - h.initStatsHistograms4Chunk(is, tables, iter) - } - return nil -} - -func (h *Handle) initCMSketch4Indices4Chunk(is infoschema.InfoSchema, tables map[int64]*statistics.Table, iter *chunk.Iterator4Chunk) { - for row := iter.Begin(); row != iter.End(); row = iter.Next() { - table, ok := tables[row.GetInt64(0)] - if !ok { - continue - } - id := row.GetInt64(2) - tbl, _ := h.getTableByPhysicalID(is, table.PhysicalID) - if row.GetInt64(1) > 0 { - var idxInfo *model.IndexInfo - for _, idx := range tbl.Meta().Indices { - if idx.ID == id { - idxInfo = idx - break - } - } - if idxInfo == nil { - continue - } - idx := table.Indices[id] - if idx == nil { - continue - } - cms, topN, err := statistics.DecodeCMSketchAndTopN(row.GetBytes(3), nil) - if err != nil { - cms = nil - terror.Log(errors.Trace(err)) - } - idx.CMSketch = cms - idx.TopN = topN - } - } -} - -func (h *Handle) initCMSketch4Indices(is infoschema.InfoSchema, tables map[int64]*statistics.Table) error { - // indcies should be loaded first - limitSize := h.mu.ctx.GetSessionVars().MemQuotaStatistics / defaultCMSAndHistSize - sql := "select HIGH_PRIORITY table_id, is_index, hist_id, cm_sketch " + - "from mysql.stats_histograms where is_index = 1 " + - fmt.Sprintf("order by table_id, hist_id limit %d", limitSize) +func (h *Handle) initStatsHistograms(is infoschema.InfoSchema, cache *statsCache) error { + sql := "select HIGH_PRIORITY table_id, is_index, hist_id, distinct_count, version, null_count, cm_sketch, tot_col_size, stats_ver, correlation, flag, last_analyze_pos from mysql.stats_histograms" rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) if len(rc) > 0 { defer terror.Call(rc[0].Close) @@ -232,20 +165,19 @@ func (h *Handle) initCMSketch4Indices(is infoschema.InfoSchema, tables map[int64 if req.NumRows() == 0 { break } - h.initCMSketch4Indices4Chunk(is, tables, iter) + h.initStatsHistograms4Chunk(is, cache, iter) } return nil } -func (h *Handle) initStatsTopN4Chunk(tables map[int64]*statistics.Table, iter *chunk.Iterator4Chunk) { +func (h *Handle) initStatsTopN4Chunk(cache *statsCache, iter *chunk.Iterator4Chunk) { affectedIndexes := make(map[int64]*statistics.Index) for row := iter.Begin(); row != iter.End(); row = iter.Next() { - table, ok := tables[row.GetInt64(0)] + table, ok := cache.tables[row.GetInt64(0)] if !ok { continue } idx, ok := table.Indices[row.GetInt64(1)] - // If idx.CMSketch == nil, the index is not loaded. if !ok || idx.CMSketch == nil { continue } @@ -262,59 +194,8 @@ func (h *Handle) initStatsTopN4Chunk(tables map[int64]*statistics.Table, iter *c } } -func (h *Handle) initStatsTopN(tables map[int64]*statistics.Table) error { - limitSize := (h.mu.ctx.GetSessionVars().MemQuotaStatistics / defaultCMSAndHistSize) * int64(statistics.AnalyzeOptionDefault[ast.AnalyzeOptNumTopN]) - sql := "select HIGH_PRIORITY table_id, hist_id, value, count " + - "from mysql.stats_top_n " + - fmt.Sprintf("where is_index = 1 order by table_id, hist_id limit %d", limitSize) - rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) - if len(rc) > 0 { - defer terror.Call(rc[0].Close) - } - if err != nil { - return errors.Trace(err) - } - req := rc[0].NewChunk() - iter := chunk.NewIterator4Chunk(req) - for { - err := rc[0].Next(context.TODO(), req) - if err != nil { - return errors.Trace(err) - } - if req.NumRows() == 0 { - break - } - h.initStatsTopN4Chunk(tables, iter) - } - return nil -} - -func initColumnCountMeta4Chunk(tables map[int64]*statistics.Table, iter *chunk.Iterator4Chunk) error { - for row := iter.Begin(); row != iter.End(); row = iter.Next() { - tableID, histID, decimalCount := row.GetInt64(0), row.GetInt64(1), row.GetMyDecimal(2) - table, ok := tables[tableID] - count, err := decimalCount.ToInt() - if !ok { - continue - } - if err != nil { - return err - } - column, ok := table.Columns[histID] - if !ok { - continue - } - column.Count += count - } - return nil -} - -// initColumnCount loads row count for each column. -func (h *Handle) initColumnCount(tables map[int64]*statistics.Table) (err error) { - sql := "select HIGH_PRIORITY table_id, hist_id, sum(count) " + - "from mysql.stats_buckets " + - "where is_index = 0 " + - "group by table_id, hist_id " +func (h *Handle) initStatsTopN(cache *statsCache) error { + sql := "select HIGH_PRIORITY table_id, hist_id, value, count from mysql.stats_top_n where is_index = 1" rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) if len(rc) > 0 { defer terror.Call(rc[0].Close) @@ -332,18 +213,15 @@ func (h *Handle) initColumnCount(tables map[int64]*statistics.Table) (err error) if req.NumRows() == 0 { break } - err = initColumnCountMeta4Chunk(tables, iter) - if err != nil { - return err - } + h.initStatsTopN4Chunk(cache, iter) } return nil } -func initStatsBuckets4Chunk(ctx sessionctx.Context, tables map[int64]*statistics.Table, iter *chunk.Iterator4Chunk) { +func initStatsBuckets4Chunk(ctx sessionctx.Context, cache *statsCache, iter *chunk.Iterator4Chunk) { for row := iter.Begin(); row != iter.End(); row = iter.Next() { tableID, isIndex, histID := row.GetInt64(0), row.GetInt64(1), row.GetInt64(2) - table, ok := tables[tableID] + table, ok := cache.tables[tableID] if !ok { continue } @@ -351,14 +229,18 @@ func initStatsBuckets4Chunk(ctx sessionctx.Context, tables map[int64]*statistics var hist *statistics.Histogram if isIndex > 0 { index, ok := table.Indices[histID] - if !ok || index.CMSketch == nil { + if !ok { continue } hist = &index.Histogram lower, upper = types.NewBytesDatum(row.GetBytes(5)), types.NewBytesDatum(row.GetBytes(6)) } else { column, ok := table.Columns[histID] - if !ok || !mysql.HasPriKeyFlag(column.Info.Flag) { + if !ok { + continue + } + column.Count += row.GetInt64(3) + if !mysql.HasPriKeyFlag(column.Info.Flag) { continue } hist = &column.Histogram @@ -380,14 +262,10 @@ func initStatsBuckets4Chunk(ctx sessionctx.Context, tables map[int64]*statistics } hist.AppendBucket(&lower, &upper, row.GetInt64(3), row.GetInt64(4)) } - } -func (h *Handle) initStatsBuckets(tables map[int64]*statistics.Table) (err error) { - limitSize := (h.mu.ctx.GetSessionVars().MemQuotaStatistics / defaultCMSAndHistSize) * int64(statistics.AnalyzeOptionDefault[ast.AnalyzeOptNumBuckets]) - sql := "select HIGH_PRIORITY table_id, is_index, hist_id, count, repeats, lower_bound," + - "upper_bound from mysql.stats_buckets " + - fmt.Sprintf("order by is_index desc, table_id, hist_id, bucket_id limit %d", limitSize) +func (h *Handle) initStatsBuckets(cache *statsCache) error { + sql := "select HIGH_PRIORITY table_id, is_index, hist_id, count, repeats, lower_bound, upper_bound from mysql.stats_buckets order by table_id, is_index, hist_id, bucket_id" rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) if len(rc) > 0 { defer terror.Call(rc[0].Close) @@ -397,31 +275,18 @@ func (h *Handle) initStatsBuckets(tables map[int64]*statistics.Table) (err error } req := rc[0].NewChunk() iter := chunk.NewIterator4Chunk(req) - var lastTableID int64 = -1 - var totalRowsCnt int64 for { err := rc[0].Next(context.TODO(), req) - totalRowsCnt += int64(req.NumRows()) if err != nil { return errors.Trace(err) } if req.NumRows() == 0 { - if limitSize <= totalRowsCnt && lastTableID != -1 { - // remove the stats buckets of the last table_id because it may - // not be loaded fully. - tables[lastTableID] = tables[lastTableID].CopyWithoutBucketsAndCMS() - } break } - lastTableID = req.GetRow(req.NumRows() - 1).GetInt64(0) - initStatsBuckets4Chunk(h.mu.ctx, tables, iter) + initStatsBuckets4Chunk(h.mu.ctx, cache, iter) } - return nil -} - -func (h *Handle) preCalcScalar4StatsBuckets(tables map[int64]*statistics.Table) (lastVersion uint64, err error) { - lastVersion = uint64(0) - for _, table := range tables { + lastVersion := uint64(0) + for _, table := range cache.tables { lastVersion = mathutil.MaxUint64(lastVersion, table.Version) for _, idx := range table.Indices { for i := 1; i < idx.Len(); i++ { @@ -436,7 +301,8 @@ func (h *Handle) preCalcScalar4StatsBuckets(tables map[int64]*statistics.Table) col.PreCalculateScalar() } } - return lastVersion, nil + cache.version = lastVersion + return nil } // InitStats will init the stats cache using full load strategy. @@ -453,35 +319,24 @@ func (h *Handle) InitStats(is infoschema.InfoSchema) (err error) { if err != nil { return err } - tables, err := h.initStatsMeta(is) - if err != nil { - return errors.Trace(err) - } - err = h.initStatsHistograms(is, tables) + cache, err := h.initStatsMeta(is) if err != nil { return errors.Trace(err) } - err = h.initCMSketch4Indices(is, tables) + err = h.initStatsHistograms(is, &cache) if err != nil { return errors.Trace(err) } - err = h.initStatsTopN(tables) + err = h.initStatsTopN(&cache) if err != nil { return err } - err = h.initColumnCount(tables) - if err != nil { - return errors.Trace(err) - } - err = h.initStatsBuckets(tables) - if err != nil { - return errors.Trace(err) - } - version, err := h.preCalcScalar4StatsBuckets(tables) + err = h.initStatsBuckets(&cache) if err != nil { return errors.Trace(err) } - h.statsCache.initStatsCache(tables, version) + cache.initMemoryUsage() + h.updateStatsCache(cache) return nil } diff --git a/statistics/handle/dump_test.go b/statistics/handle/dump_test.go index 4b9052bd50a06..e5b28a92ebd38 100644 --- a/statistics/handle/dump_test.go +++ b/statistics/handle/dump_test.go @@ -98,7 +98,7 @@ PARTITION BY RANGE ( a ) ( tk.MustExec("delete from mysql.stats_meta") tk.MustExec("delete from mysql.stats_histograms") tk.MustExec("delete from mysql.stats_buckets") - h.Clear4Test() + h.Clear() err = h.LoadStatsFromJSON(s.do.InfoSchema(), jsonTbl) c.Assert(err, IsNil) diff --git a/statistics/handle/handle.go b/statistics/handle/handle.go index 3c7ba5c23730f..09b634f4ea578 100644 --- a/statistics/handle/handle.go +++ b/statistics/handle/handle.go @@ -18,6 +18,7 @@ import ( "encoding/json" "fmt" "sync" + "sync/atomic" "time" "github.com/cznic/mathutil" @@ -39,11 +40,20 @@ import ( "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/logutil" + "github.com/pingcap/tidb/util/memory" "github.com/pingcap/tidb/util/sqlexec" atomic2 "go.uber.org/atomic" "go.uber.org/zap" ) +// statsCache caches the tables in memory for Handle. +type statsCache struct { + tables map[int64]*statistics.Table + // version is the latest version of cache. + version uint64 + memUsage int64 +} + // Handle can update stats info periodically. type Handle struct { mu struct { @@ -59,7 +69,11 @@ type Handle struct { // It can be read by multiple readers at the same time without acquiring lock, but it can be // written only after acquiring the lock. - statsCache *statsCache + statsCache struct { + sync.Mutex + atomic.Value + memTracker *memory.Tracker + } restrictedExec sqlexec.RestrictedSQLExecutor @@ -79,11 +93,13 @@ type Handle struct { idxUsageListHead *SessionIndexUsageCollector } -// Clear4Test the statsCache, only for test. -func (h *Handle) Clear4Test() { +// Clear the statsCache, only for test. +func (h *Handle) Clear() { h.mu.Lock() - h.SetBytesLimit4Test(h.mu.ctx.GetSessionVars().MemQuotaStatistics) - h.statsCache.Clear() + h.statsCache.Lock() + h.statsCache.Store(statsCache{tables: make(map[int64]*statistics.Table)}) + h.statsCache.memTracker = memory.NewTracker(memory.LabelForStatsCache, -1) + h.statsCache.Unlock() for len(h.ddlEventCh) > 0 { <-h.ddlEventCh } @@ -112,9 +128,10 @@ func NewHandle(ctx sessionctx.Context, lease time.Duration) (*Handle, error) { if exec, ok := ctx.(sqlexec.RestrictedSQLExecutor); ok { handle.restrictedExec = exec } - handle.statsCache = newStatsCache(ctx.GetSessionVars().MemQuotaStatistics) + handle.statsCache.memTracker = memory.NewTracker(memory.LabelForStatsCache, -1) handle.mu.ctx = ctx handle.mu.rateMap = make(errorRateDeltaMap) + handle.statsCache.Store(statsCache{tables: make(map[int64]*statistics.Table)}) err := handle.RefreshVars() if err != nil { return nil, err @@ -147,14 +164,15 @@ func DurationToTS(d time.Duration) uint64 { // Update reads stats meta from store and updates the stats map. func (h *Handle) Update(is infoschema.InfoSchema) error { - lastVersion := h.statsCache.GetVersion() + oldCache := h.statsCache.Load().(statsCache) + lastVersion := oldCache.version // We need this because for two tables, the smaller version may write later than the one with larger version. // Consider the case that there are two tables A and B, their version and commit time is (A0, A1) and (B0, B1), // and A0 < B0 < B1 < A1. We will first read the stats of B, and update the lastVersion to B0, but we cannot read // the table stats of A0 if we read stats that greater than lastVersion which is B0. // We can read the stats if the diff between commit time and version is less than three lease. offset := DurationToTS(3 * h.Lease()) - if lastVersion >= offset { + if oldCache.version >= offset { lastVersion = lastVersion - offset } else { lastVersion = 0 @@ -198,7 +216,7 @@ func (h *Handle) Update(is infoschema.InfoSchema) error { tbl.Name = getFullTableName(is, tableInfo) tables = append(tables, tbl) } - h.statsCache.Update(tables, deletedTableIDs, lastVersion) + h.updateStatsCache(oldCache.update(tables, deletedTableIDs, lastVersion)) return nil } @@ -232,30 +250,10 @@ func buildPartitionID2TableID(is infoschema.InfoSchema) map[int64]int64 { // GetMemConsumed returns the mem size of statscache consumed func (h *Handle) GetMemConsumed() (size int64) { - h.statsCache.mu.Lock() size = h.statsCache.memTracker.BytesConsumed() - h.statsCache.mu.Unlock() return } -// EraseTable4Test erase a table by ID and add new empty (with Meta) table. -// ONLY used for test. -func (h *Handle) EraseTable4Test(ID int64) { - table, _ := h.statsCache.Lookup(ID) - h.statsCache.Insert(table.CopyWithoutBucketsAndCMS()) -} - -// GetAllTableStatsMemUsage4Test get all the mem usage with true table. -// ONLY used for test. -func (h *Handle) GetAllTableStatsMemUsage4Test() int64 { - data := h.statsCache.GetAll() - allUsage := int64(0) - for _, t := range data { - allUsage += t.MemoryUsage() - } - return allUsage -} - // GetTableStats retrieves the statistics table from cache, and the cache will be updated by a goroutine. func (h *Handle) GetTableStats(tblInfo *model.TableInfo) *statistics.Table { return h.GetPartitionStats(tblInfo, tblInfo.ID) @@ -263,49 +261,72 @@ func (h *Handle) GetTableStats(tblInfo *model.TableInfo) *statistics.Table { // GetPartitionStats retrieves the partition stats from cache. func (h *Handle) GetPartitionStats(tblInfo *model.TableInfo, pid int64) *statistics.Table { - tbl, ok := h.statsCache.Lookup(pid) + statsCache := h.statsCache.Load().(statsCache) + tbl, ok := statsCache.tables[pid] if !ok { tbl = statistics.PseudoTable(tblInfo) tbl.PhysicalID = pid - h.statsCache.Update([]*statistics.Table{tbl}, nil, h.statsCache.GetVersion()) + h.updateStatsCache(statsCache.update([]*statistics.Table{tbl}, nil, statsCache.version)) return tbl } return tbl } -// SetBytesLimit4Test sets the bytes limit for this tracker. "bytesLimit <= 0" means no limit. -// Only used for test. -func (h *Handle) SetBytesLimit4Test(bytesLimit int64) { - h.statsCache.mu.Lock() - h.statsCache.memTracker.SetBytesLimit(bytesLimit) - h.statsCache.memCapacity = bytesLimit - h.statsCache.mu.Unlock() +func (h *Handle) updateStatsCache(newCache statsCache) { + h.statsCache.Lock() + oldCache := h.statsCache.Load().(statsCache) + if oldCache.version <= newCache.version { + h.statsCache.memTracker.Consume(newCache.memUsage - oldCache.memUsage) + h.statsCache.Store(newCache) + } + h.statsCache.Unlock() } -// CanRuntimePrune indicates whether tbl support runtime prune for table and first partition id. -func (h *Handle) CanRuntimePrune(tid, p0Id int64) bool { - if h == nil { - return false - } - if tid == p0Id { - return false - } - _, tblExists := h.statsCache.Lookup(tid) - if tblExists { - return true +func (sc statsCache) copy() statsCache { + newCache := statsCache{tables: make(map[int64]*statistics.Table, len(sc.tables)), + version: sc.version, + memUsage: sc.memUsage} + for k, v := range sc.tables { + newCache.tables[k] = v + } + return newCache +} + +//initMemoryUsage calc total memory usage of statsCache and set statsCache.memUsage +//should be called after the tables and their stats are initilazed +func (sc statsCache) initMemoryUsage() { + sum := int64(0) + for _, tb := range sc.tables { + sum += tb.MemoryUsage() + } + sc.memUsage = sum + return +} + +// update updates the statistics table cache using copy on write. +func (sc statsCache) update(tables []*statistics.Table, deletedIDs []int64, newVersion uint64) statsCache { + newCache := sc.copy() + newCache.version = newVersion + for _, tbl := range tables { + id := tbl.PhysicalID + if ptbl, ok := newCache.tables[id]; ok { + newCache.memUsage -= ptbl.MemoryUsage() + } + newCache.tables[id] = tbl + newCache.memUsage += tbl.MemoryUsage() } - _, partExists := h.statsCache.Lookup(p0Id) - if !partExists { - return true + for _, id := range deletedIDs { + if ptbl, ok := newCache.tables[id]; ok { + newCache.memUsage -= ptbl.MemoryUsage() + } + delete(newCache.tables, id) } - return false - + return newCache } // LoadNeededHistograms will load histograms for those needed columns. func (h *Handle) LoadNeededHistograms() (err error) { cols := statistics.HistogramNeededColumns.AllCols() - idxs := statistics.HistogramNeededIndices.AllIdxs() reader, err := h.getStatsReader(nil) if err != nil { return err @@ -319,7 +340,8 @@ func (h *Handle) LoadNeededHistograms() (err error) { }() for _, col := range cols { - tbl, ok := h.statsCache.Lookup(col.TableID) + statsCache := h.statsCache.Load().(statsCache) + tbl, ok := statsCache.tables[col.TableID] if !ok { continue } @@ -346,52 +368,21 @@ func (h *Handle) LoadNeededHistograms() (err error) { Count: int64(hg.TotalRowCount()), IsHandle: c.IsHandle, } - h.statsCache.Update([]*statistics.Table{tbl}, nil, h.statsCache.GetVersion()) + h.updateStatsCache(statsCache.update([]*statistics.Table{tbl}, nil, statsCache.version)) statistics.HistogramNeededColumns.Delete(col) } - - for _, pidx := range idxs { - tbl, ok := h.statsCache.Lookup(pidx.TableID) - if !ok { - continue - } - tbl = tbl.Copy() - idx, ok := tbl.Indices[pidx.IndexID] - if !ok || idx.Len() > 0 { - statistics.HistogramNeededIndices.Delete(pidx) - continue - } - hg, err := h.histogramFromStorage(reader, pidx.TableID, idx.ID, types.NewFieldType(mysql.TypeBlob), idx.NDV, 1, idx.LastUpdateVersion, idx.NullCount, 0, 0) - if err != nil { - return errors.Trace(err) - } - cms, topN, err := h.cmSketchAndTopNFromStorage(reader, pidx.TableID, 1, pidx.IndexID) - if err != nil { - return errors.Trace(err) - } - tbl.Indices[idx.ID] = &statistics.Index{ - Histogram: *hg, - CMSketch: cms, - TopN: topN, - PhysicalID: pidx.TableID, - Info: idx.Info, - StatsVer: idx.StatsVer, - Flag: idx.Flag, - } - h.statsCache.Update([]*statistics.Table{tbl}, nil, h.statsCache.GetVersion()) - statistics.HistogramNeededIndices.Delete(pidx) - } return nil } // LastUpdateVersion gets the last update version. func (h *Handle) LastUpdateVersion() uint64 { - return h.statsCache.GetVersion() + return h.statsCache.Load().(statsCache).version } // SetLastUpdateVersion sets the last update version. func (h *Handle) SetLastUpdateVersion(version uint64) { - h.statsCache.Update(nil, nil, version) + statsCache := h.statsCache.Load().(statsCache) + h.updateStatsCache(statsCache.update(nil, nil, version)) } // FlushStats flushes the cached stats update into store. @@ -451,7 +442,7 @@ func (h *Handle) indexStatsFromStorage(reader *statsReader, row chunk.Row, table if err != nil { return errors.Trace(err) } - idx = &statistics.Index{Histogram: *hg, CMSketch: cms, TopN: topN, Info: idxInfo, ErrorRate: errorRate, StatsVer: row.GetInt64(7), Flag: flag, PhysicalID: table.PhysicalID} + idx = &statistics.Index{Histogram: *hg, CMSketch: cms, TopN: topN, Info: idxInfo, ErrorRate: errorRate, StatsVer: row.GetInt64(7), Flag: flag} lastAnalyzePos.Copy(&idx.LastAnalyzePos) } break @@ -565,8 +556,7 @@ func (h *Handle) tableStatsFromStorage(tableInfo *model.TableInfo, physicalID in err = err1 } }() - table, ok := h.statsCache.Lookup(physicalID) - + table, ok := h.statsCache.Load().(statsCache).tables[physicalID] // If table stats is pseudo, we also need to copy it, since we will use the column stats when // the average error rate of it is small. if !ok || historyStatsExec != nil { @@ -960,11 +950,10 @@ func (h *Handle) ReloadExtendedStatistics() error { if err != nil { return err } - allTables := h.statsCache.GetAll() - tables := make([]*statistics.Table, 0, len(allTables)) - for _, tbl := range allTables { - t, err := h.extendedStatsFromStorage(reader, tbl.Copy(), tbl.PhysicalID, true) - + oldCache := h.statsCache.Load().(statsCache) + tables := make([]*statistics.Table, 0, len(oldCache.tables)) + for physicalID, tbl := range oldCache.tables { + t, err := h.extendedStatsFromStorage(reader, tbl.Copy(), physicalID, true) if err != nil { return err } @@ -975,7 +964,7 @@ func (h *Handle) ReloadExtendedStatistics() error { return err } // Note that this update may fail when the statsCache.version has been modified by others. - h.statsCache.Update(tables, nil, h.statsCache.GetVersion()) + h.updateStatsCache(oldCache.update(tables, nil, oldCache.version)) return nil } diff --git a/statistics/handle/handle_test.go b/statistics/handle/handle_test.go index 88f090d99dc01..f5e20f452df2e 100644 --- a/statistics/handle/handle_test.go +++ b/statistics/handle/handle_test.go @@ -53,7 +53,7 @@ func cleanEnv(c *C, store kv.Storage, do *domain.Domain) { tk.MustExec("delete from mysql.stats_buckets") tk.MustExec("delete from mysql.stats_extended") tk.MustExec("delete from mysql.schema_index_usage") - do.StatsHandle().Clear4Test() + do.StatsHandle().Clear() } func (s *testStatsSuite) TestStatsCache(c *C) { @@ -86,7 +86,7 @@ func (s *testStatsSuite) TestStatsCache(c *C) { // If the new schema drop a column, the table stats can still work. testKit.MustExec("alter table t drop column c2") is = do.InfoSchema() - do.StatsHandle().Clear4Test() + do.StatsHandle().Clear() do.StatsHandle().Update(is) statsTbl = do.StatsHandle().GetTableStats(tableInfo) c.Assert(statsTbl.Pseudo, IsFalse) @@ -95,7 +95,7 @@ func (s *testStatsSuite) TestStatsCache(c *C) { testKit.MustExec("alter table t add column c10 int") is = do.InfoSchema() - do.StatsHandle().Clear4Test() + do.StatsHandle().Clear() do.StatsHandle().Update(is) statsTbl = do.StatsHandle().GetTableStats(tableInfo) c.Assert(statsTbl.Pseudo, IsFalse) @@ -113,13 +113,10 @@ func (s *testStatsSuite) TestStatsCacheMemTracker(c *C) { c.Assert(err, IsNil) tableInfo := tbl.Meta() statsTbl := do.StatsHandle().GetTableStats(tableInfo) - c.Assert(statsTbl.Pseudo, IsTrue) - testKit.MustExec("analyze table t") - - statsTbl = do.StatsHandle().GetTableStats(tableInfo) c.Assert(statsTbl.MemoryUsage() > 0, IsTrue) - c.Assert(do.StatsHandle().GetAllTableStatsMemUsage4Test(), Equals, do.StatsHandle().GetMemConsumed()) + c.Assert(statsTbl.Pseudo, IsTrue) + testKit.MustExec("analyze table t") statsTbl = do.StatsHandle().GetTableStats(tableInfo) c.Assert(statsTbl.Pseudo, IsFalse) @@ -140,24 +137,21 @@ func (s *testStatsSuite) TestStatsCacheMemTracker(c *C) { // If the new schema drop a column, the table stats can still work. testKit.MustExec("alter table t drop column c2") is = do.InfoSchema() - do.StatsHandle().Clear4Test() + do.StatsHandle().Clear() do.StatsHandle().Update(is) statsTbl = do.StatsHandle().GetTableStats(tableInfo) - c.Assert(statsTbl.MemoryUsage() >= 0, IsTrue) - - c.Assert(do.StatsHandle().GetAllTableStatsMemUsage4Test(), Equals, do.StatsHandle().GetMemConsumed()) + c.Assert(statsTbl.MemoryUsage() > 0, IsTrue) c.Assert(statsTbl.Pseudo, IsFalse) // If the new schema add a column, the table stats can still work. testKit.MustExec("alter table t add column c10 int") is = do.InfoSchema() - do.StatsHandle().Clear4Test() + do.StatsHandle().Clear() do.StatsHandle().Update(is) statsTbl = do.StatsHandle().GetTableStats(tableInfo) c.Assert(statsTbl.Pseudo, IsFalse) - c.Assert(do.StatsHandle().GetAllTableStatsMemUsage4Test(), Equals, do.StatsHandle().GetMemConsumed()) } func assertTableEqual(c *C, a *statistics.Table, b *statistics.Table) { @@ -233,7 +227,7 @@ func (s *testStatsSuite) TestStatsStoreAndLoad(c *C) { testKit.MustExec("analyze table t") statsTbl1 := do.StatsHandle().GetTableStats(tableInfo) - do.StatsHandle().Clear4Test() + do.StatsHandle().Clear() do.StatsHandle().Update(is) statsTbl2 := do.StatsHandle().GetTableStats(tableInfo) c.Assert(statsTbl2.Pseudo, IsFalse) @@ -278,7 +272,7 @@ func (s *testStatsSuite) TestColumnIDs(c *C) { // Drop a column and the offset changed, testKit.MustExec("alter table t drop column c1") is = do.InfoSchema() - do.StatsHandle().Clear4Test() + do.StatsHandle().Clear() do.StatsHandle().Update(is) tbl, err = is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) c.Assert(err, IsNil) @@ -496,14 +490,14 @@ func (s *testStatsSuite) TestInitStats(c *C) { // `Lease` is not 0, so here we just change it. h.SetLease(time.Millisecond) - h.Clear4Test() + h.Clear() c.Assert(h.InitStats(is), IsNil) table0 := h.GetTableStats(tbl.Meta()) cols := table0.Columns c.Assert(cols[1].LastAnalyzePos.GetBytes()[0], Equals, uint8(0x36)) c.Assert(cols[2].LastAnalyzePos.GetBytes()[0], Equals, uint8(0x37)) c.Assert(cols[3].LastAnalyzePos.GetBytes()[0], Equals, uint8(0x38)) - h.Clear4Test() + h.Clear() c.Assert(h.Update(is), IsNil) table1 := h.GetTableStats(tbl.Meta()) assertTableEqual(c, table0, table1) @@ -689,7 +683,7 @@ func (s *testStatsSuite) TestExtendedStatsOps(c *C) { c.Assert(len(statsTbl.ExtendedStats.Stats), Equals, 0) tk.MustExec("update mysql.stats_extended set status = 1 where stats_name = 's1' and db = 'test'") - do.StatsHandle().Clear4Test() + do.StatsHandle().Clear() do.StatsHandle().Update(is) statsTbl = do.StatsHandle().GetTableStats(tableInfo) c.Assert(statsTbl, NotNil) @@ -729,7 +723,7 @@ func (s *testStatsSuite) TestAdminReloadStatistics(c *C) { c.Assert(len(statsTbl.ExtendedStats.Stats), Equals, 0) tk.MustExec("update mysql.stats_extended set status = 1 where stats_name = 's1' and db = 'test'") - do.StatsHandle().Clear4Test() + do.StatsHandle().Clear() do.StatsHandle().Update(is) statsTbl = do.StatsHandle().GetTableStats(tableInfo) c.Assert(statsTbl, NotNil) diff --git a/statistics/handle/statscache.go b/statistics/handle/statscache.go deleted file mode 100644 index 38dd17038034b..0000000000000 --- a/statistics/handle/statscache.go +++ /dev/null @@ -1,170 +0,0 @@ -// Copyright 2020 PingCAP, Inc. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// See the License for the specific language governing permissions and -// limitations under the License. - -package handle - -import ( - "encoding/binary" - "sync" - - "github.com/pingcap/tidb/statistics" - "github.com/pingcap/tidb/util/kvcache" - "github.com/pingcap/tidb/util/memory" -) - -// statsCache caches table statistics. -type statsCache struct { - mu sync.Mutex - cache *kvcache.SimpleLRUCache - memCapacity int64 - version uint64 - memTracker *memory.Tracker -} - -type statsCacheKey int64 - -func (key statsCacheKey) Hash() []byte { - var buf = make([]byte, 8) - binary.BigEndian.PutUint64(buf, uint64(key)) - return buf -} - -// newStatsCache returns a new statsCache with capacity maxMemoryLimit. -func newStatsCache(memoryLimit int64) *statsCache { - // Since newStatsCache controls the memory usage by itself, set the capacity of - // the underlying LRUCache to max to close its memory control - cache := kvcache.NewSimpleLRUCache(uint(memoryLimit), 0.1, 0) - c := statsCache{ - cache: cache, - memCapacity: memoryLimit, - memTracker: memory.NewTracker(memory.LabelForStatsCache, -1), - } - return &c -} - -// Clear clears the statsCache. -func (sc *statsCache) Clear() { - // Since newStatsCache controls the memory usage by itself, set the capacity of - // the underlying LRUCache to max to close its memory control - sc.mu.Lock() - defer sc.mu.Unlock() - cache := kvcache.NewSimpleLRUCache(uint(sc.memCapacity), 0.1, 0) - sc.memTracker.ReplaceBytesUsed(0) - sc.cache = cache - sc.version = 0 -} - -// GetAll get all the tables point. -func (sc *statsCache) GetAll() []*statistics.Table { - sc.mu.Lock() - defer sc.mu.Unlock() - values := sc.cache.GetAll() - tables := make([]*statistics.Table, 0) - for _, v := range values { - if t, ok := v.(*statistics.Table); ok && t != nil { - tables = append(tables, t) - } - } - return tables -} - -// lookupUnsafe get table with id without Lock. -func (sc *statsCache) lookupUnsafe(id int64) (*statistics.Table, bool) { - var key = statsCacheKey(id) - value, hit := sc.cache.Get(key) - if !hit { - return nil, false - } - table := value.(*statistics.Table) - return table, true -} - -// Lookup get table with id. -func (sc *statsCache) Lookup(id int64) (*statistics.Table, bool) { - sc.mu.Lock() - defer sc.mu.Unlock() - return sc.lookupUnsafe(id) -} - -// Insert inserts a new table to the statsCache. -// If the memory consumption exceeds the capacity, remove the buckets and -// CMSketch of the oldest cache and add metadata of it -func (sc *statsCache) Insert(table *statistics.Table) { - if table == nil { - return - } - var key = statsCacheKey(table.PhysicalID) - mem := table.MemoryUsage() - // We do not need to check whether mem > sc.memCapacity, because the lower - // bound of statistics is set, it's almost impossible the stats memory usage - // of one table exceeds the capacity. - for mem+sc.memTracker.BytesConsumed() > sc.memCapacity { - evictedKey, evictedValue, evicted := sc.cache.RemoveOldest() - if !evicted { - return - } - sc.memTracker.Consume(-evictedValue.(*statistics.Table).MemoryUsage()) - sc.cache.Put(evictedKey, evictedValue.(*statistics.Table).CopyWithoutBucketsAndCMS()) - } - // erase the old element since the value may be different from the existing one. - sc.Erase(table.PhysicalID) - sc.cache.Put(key, table) - sc.memTracker.Consume(mem) - return -} - -// Erase erase a stateCache with physical id. -func (sc *statsCache) Erase(deletedID int64) bool { - table, hit := sc.lookupUnsafe(deletedID) - if !hit { - return false - } - - key := statsCacheKey(deletedID) - sc.cache.Delete(key) - sc.memTracker.Consume(-table.MemoryUsage()) - return true -} - -// Update updates the statistics table cache. -func (sc *statsCache) Update(tables []*statistics.Table, deletedIDs []int64, newVersion uint64) { - sc.mu.Lock() - defer sc.mu.Unlock() - if sc.version <= newVersion { - sc.version = newVersion - for _, id := range deletedIDs { - sc.Erase(id) - } - for _, tbl := range tables { - sc.Insert(tbl) - } - } -} - -func (sc *statsCache) GetVersion() uint64 { - sc.mu.Lock() - defer sc.mu.Unlock() - return sc.version -} - -// initStatsCache should be invoked after the tables and their stats are initialized -// using tables map and version to init statsCache -func (sc *statsCache) initStatsCache(tables map[int64]*statistics.Table, version uint64) { - sc.mu.Lock() - defer sc.mu.Unlock() - for _, tbl := range tables { - sc.Insert(tbl) - } - sc.version = version - return -} diff --git a/statistics/handle/statscache_test.go b/statistics/handle/statscache_test.go deleted file mode 100644 index e42ae806c18ed..0000000000000 --- a/statistics/handle/statscache_test.go +++ /dev/null @@ -1,269 +0,0 @@ -// Copyright 2020 PingCAP, Inc. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// See the License for the specific language governing permissions and -// limitations under the License. - -package handle_test - -import ( - "fmt" - "time" - - . "github.com/pingcap/check" - "github.com/pingcap/parser/model" - "github.com/pingcap/tidb/sessionctx/stmtctx" - "github.com/pingcap/tidb/statistics/handle" - "github.com/pingcap/tidb/util/testkit" -) - -func (s *testStatsSuite) TestStatsCacheMiniMemoryLimit(c *C) { - defer cleanEnv(c, s.store, s.do) - testKit := testkit.NewTestKit(c, s.store) - testKit.MustExec("use test") - testKit.MustExec("create table t1 (c1 int, c2 int)") - testKit.MustExec("insert into t1 values(1, 2)") - do := s.do - is := do.InfoSchema() - tbl1, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t1")) - c.Assert(err, IsNil) - tableInfo1 := tbl1.Meta() - statsTbl1 := do.StatsHandle().GetTableStats(tableInfo1) - c.Assert(statsTbl1.Pseudo, IsTrue) - - testKit.MustExec("analyze table t1") - statsTbl1 = do.StatsHandle().GetTableStats(tableInfo1) - c.Assert(statsTbl1.Pseudo, IsFalse) - - // set new BytesLimit - BytesLimit := int64(90000) - - do.StatsHandle().SetBytesLimit4Test(BytesLimit) - // create t2 and kick t1 of cache - testKit.MustExec("create table t2 (c1 int, c2 int)") - testKit.MustExec("insert into t2 values(1, 2)") - do = s.do - is = do.InfoSchema() - tbl2, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t2")) - c.Assert(err, IsNil) - tableInfo2 := tbl2.Meta() - statsTbl2 := do.StatsHandle().GetTableStats(tableInfo2) - statsTbl1 = do.StatsHandle().GetTableStats(tableInfo1) - - c.Assert(statsTbl2.Pseudo, IsTrue) - testKit.MustExec("analyze table t2") - tbl2, err = is.TableByName(model.NewCIStr("test"), model.NewCIStr("t2")) - c.Assert(err, IsNil) - - statsTbl2 = do.StatsHandle().GetTableStats(tableInfo2) - c.Assert(statsTbl2.Pseudo, IsFalse) - - c.Assert(BytesLimit >= do.StatsHandle().GetMemConsumed(), IsTrue) -} - -func (s *testStatsSuite) TestLoadHistWithLimit(c *C) { - defer cleanEnv(c, s.store, s.do) - testKit := testkit.NewTestKit(c, s.store) - h := s.do.StatsHandle() - origLease := h.Lease() - h.SetLease(time.Second) - defer func() { h.SetLease(origLease) }() - BytesLimit := int64(300000) - h.SetBytesLimit4Test(BytesLimit) - - testKit.MustExec("use test") - testKit.MustExec("create table t1(c int)") - testKit.MustExec("insert into t1 values(1),(2),(3),(4),(5)") - c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) - testKit.MustExec("analyze table t1") - h.Clear4Test() - h.SetBytesLimit4Test(BytesLimit) - - c.Assert(h.Update(s.do.InfoSchema()), IsNil) - result := testKit.MustQuery("show stats_histograms where Table_name = 't1'") - c.Assert(len(result.Rows()), Equals, 0) - testKit.MustExec("explain select * from t1 where c = 1") - c.Assert(h.LoadNeededHistograms(), IsNil) - result = testKit.MustQuery("show stats_histograms where Table_name = 't1'") - c.Assert(len(result.Rows()), Equals, 1) - c.Assert(result.Rows()[0][9], Equals, "1") - c.Assert(BytesLimit >= h.GetMemConsumed(), IsTrue) - - // create new table - testKit.MustExec("create table t2(c int)") - testKit.MustExec("insert into t2 values(1),(2),(3),(4),(5)") - c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) - testKit.MustExec("analyze table t2") - c.Assert(BytesLimit >= h.GetMemConsumed(), IsTrue) - -} - -func (s *testStatsSuite) TestLoadHistWithInvalidIndex(c *C) { - defer cleanEnv(c, s.store, s.do) - testKit := testkit.NewTestKit(c, s.store) - h := s.do.StatsHandle() - origLease := h.Lease() - h.SetLease(time.Second) - defer func() { h.SetLease(origLease) }() - BytesLimit := int64(300000) - h.SetBytesLimit4Test(BytesLimit) - - testKit.MustExec("use test") - testKit.MustExec("set @@session.tidb_analyze_version=2") - testKit.MustExec("create table t1(c int)") - testKit.MustExec("insert into t1 values(1),(2),(3),(4),(5)") - c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) - testKit.MustExec("create index idx_t on t1(c)") - - testKit.MustExec("analyze table t1") - // update all information to statscache - c.Assert(h.Update(s.do.InfoSchema()), IsNil) - - tbl1, err := s.do.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr("t1")) - c.Assert(err, IsNil) - tableInfo1 := tbl1.Meta() - - // erase old table - h.EraseTable4Test(tbl1.Meta().ID) - - // add empty table - statsTbl1 := h.GetTableStats(tableInfo1) - c.Assert(statsTbl1.Indices[tbl1.Meta().Indices[0].ID].Len() == 0, IsTrue) - // load index - for _, v := range statsTbl1.Indices { - c.Assert(v.IsInvalid(&stmtctx.StatementContext{}, false), IsTrue) - } - for _, v := range statsTbl1.Columns { - c.Assert(v.IsInvalid(&stmtctx.StatementContext{}, false), IsTrue) - } - c.Assert(h.LoadNeededHistograms(), IsNil) - c.Assert(BytesLimit >= h.GetMemConsumed(), IsTrue) - statsTbl1new := h.GetTableStats(tableInfo1) - c.Assert(statsTbl1new.Indices[tbl1.Meta().Indices[0].ID].Len() > 0, IsTrue) - - c.Assert(statsTbl1new.Indices[tbl1.Meta().Indices[0].ID].String(), Equals, "index:1 ndv:5\n"+ - "num: 0 lower_bound: 1 upper_bound: 1 repeats: 0\n"+ - "num: 0 lower_bound: 2 upper_bound: 2 repeats: 0\n"+ - "num: 0 lower_bound: 3 upper_bound: 3 repeats: 0\n"+ - "num: 0 lower_bound: 4 upper_bound: 4 repeats: 0\n"+ - "num: 0 lower_bound: 5 upper_bound: 5 repeats: 0") - testKit.MustQuery("show stats_topn where table_name = 't1' and column_name = 'idx_t'").Sort().Check(testkit.Rows("test t1 idx_t 1 1 1", - "test t1 idx_t 1 2 1", - "test t1 idx_t 1 3 1", - "test t1 idx_t 1 4 1", - "test t1 idx_t 1 5 1", - )) - c.Assert(statsTbl1new.Columns[tbl1.Meta().Columns[0].ID].String(), Equals, "column:1 ndv:5 totColSize:5\n"+ - "num: 1 lower_bound: 1 upper_bound: 1 repeats: 1\n"+ - "num: 1 lower_bound: 2 upper_bound: 2 repeats: 1\n"+ - "num: 1 lower_bound: 3 upper_bound: 3 repeats: 1\n"+ - "num: 1 lower_bound: 4 upper_bound: 4 repeats: 1\n"+ - "num: 1 lower_bound: 5 upper_bound: 5 repeats: 1") -} - -func (s *testStatsSuite) TestManyTableChange(c *C) { - defer cleanEnv(c, s.store, s.do) - testKit := testkit.NewTestKit(c, s.store) - h := s.do.StatsHandle() - origLease := h.Lease() - h.SetLease(time.Second) - defer func() { h.SetLease(origLease) }() - - BytesLimit := int64(300000) - h.SetBytesLimit4Test(BytesLimit) - tableSize := 100 - testKit.MustExec("use test") - for i := 0; i <= tableSize; i++ { - testKit.MustExec(fmt.Sprintf("create table t%d(c int)", i)) - testKit.MustExec(fmt.Sprintf("insert into t%d values(1),(2),(3)", i)) - testKit.MustExec(fmt.Sprintf("analyze table t%d", i)) - } - - // update all information to statscache - c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) - - c.Assert(h.Update(s.do.InfoSchema()), IsNil) - for i := 0; i <= tableSize; i++ { - tableName := fmt.Sprintf("t%d", i) - tbl, err := s.do.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr(tableName)) - c.Assert(err, IsNil) - tableInfo := tbl.Meta() - - // add empty table - statsTbl := h.GetTableStats(tableInfo) - - // load indices and column - for _, v := range statsTbl.Indices { - v.IsInvalid(&stmtctx.StatementContext{}, false) - } - - for _, v := range statsTbl.Columns { - v.IsInvalid(&stmtctx.StatementContext{}, false) - } - c.Assert(h.LoadNeededHistograms(), IsNil) - c.Assert(BytesLimit >= h.GetMemConsumed(), IsTrue) - statsTblnew := h.GetTableStats(tableInfo) - c.Assert(statsTblnew.MemoryUsage() > 0, IsTrue) - - for _, v := range statsTblnew.Columns { - c.Assert(v.IsInvalid(&stmtctx.StatementContext{}, false), IsFalse) - } - for _, v := range statsTblnew.Indices { - c.Assert(v.IsInvalid(&stmtctx.StatementContext{}, false), IsFalse) - } - - } -} - -func (s *testStatsSuite) TestManyTableChangeWithQuery(c *C) { - defer cleanEnv(c, s.store, s.do) - testKit := testkit.NewTestKit(c, s.store) - h := s.do.StatsHandle() - origLease := h.Lease() - h.SetLease(time.Second) - defer func() { h.SetLease(origLease) }() - - BytesLimit := int64(300000) - h.SetBytesLimit4Test(BytesLimit) - tableSize := 100 - testKit.MustExec("use test") - for i := 0; i <= tableSize; i++ { - testKit.MustExec(fmt.Sprintf("create table t%d(a int,b int,index idx(b))", i)) - testKit.MustExec(fmt.Sprintf("insert into t%d values(1,2),(2,5),(3,5)", i)) - testKit.MustExec(fmt.Sprintf("analyze table t%d", i)) - } - - // update all information to statscache - c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) - - c.Assert(h.Update(s.do.InfoSchema()), IsNil) - for i := 0; i <= tableSize; i++ { - tableName := fmt.Sprintf("t%d", i) - tbl, err := s.do.InfoSchema().TableByName(model.NewCIStr("test"), model.NewCIStr(tableName)) - c.Assert(err, IsNil) - tableInfo := tbl.Meta() - testKit.MustQuery(fmt.Sprintf("select * from t%d use index(idx) where b <= 5", i)) - testKit.MustQuery(fmt.Sprintf("select * from t%d where a > 1", i)) - testKit.MustQuery(fmt.Sprintf("select * from t%d use index(idx) where b = 5", i)) - - c.Assert(h.LoadNeededHistograms(), IsNil) - c.Assert(BytesLimit >= h.GetMemConsumed(), IsTrue) - statsTblNew := h.GetTableStats(tableInfo) - c.Assert(statsTblNew.MemoryUsage() > 0, IsTrue) - - for _, v := range statsTblNew.Columns { - c.Assert(v.IsInvalid(&stmtctx.StatementContext{}, false), IsFalse) - } - for _, v := range statsTblNew.Indices { - c.Assert(v.IsInvalid(&stmtctx.StatementContext{}, false), IsFalse) - } - - } -} diff --git a/statistics/handle/update.go b/statistics/handle/update.go index e5001f680345b..7ac34a55ef260 100644 --- a/statistics/handle/update.go +++ b/statistics/handle/update.go @@ -333,7 +333,7 @@ func needDumpStatsDelta(h *Handle, id int64, item variable.TableDelta, currentTi if item.InitTime.IsZero() { item.InitTime = currentTime } - tbl, ok := h.statsCache.Lookup(id) + tbl, ok := h.statsCache.Load().(statsCache).tables[id] if !ok { // No need to dump if the stats is invalid. return false @@ -495,7 +495,7 @@ func (h *Handle) DumpStatsFeedbackToKV() error { if fb.Tp == statistics.PkType { err = h.DumpFeedbackToKV(fb) } else { - t, ok := h.statsCache.Lookup(fb.PhysicalID) + t, ok := h.statsCache.Load().(statsCache).tables[fb.PhysicalID] if ok { err = h.DumpFeedbackForIndex(fb, t) } @@ -580,7 +580,8 @@ func (h *Handle) UpdateStatsByLocalFeedback(is infoschema.InfoSchema) { newCol.Flag = statistics.ResetAnalyzeFlag(newCol.Flag) newTblStats.Columns[fb.Hist.ID] = &newCol } - h.statsCache.Update([]*statistics.Table{newTblStats}, nil, h.statsCache.GetVersion()) + oldCache := h.statsCache.Load().(statsCache) + h.updateStatsCache(oldCache.update([]*statistics.Table{newTblStats}, nil, oldCache.version)) } } } @@ -612,7 +613,8 @@ func (h *Handle) UpdateErrorRate(is infoschema.InfoSchema) { delete(h.mu.rateMap, id) } h.mu.Unlock() - h.statsCache.Update(tbls, nil, h.statsCache.GetVersion()) + oldCache := h.statsCache.Load().(statsCache) + h.updateStatsCache(oldCache.update(tbls, nil, oldCache.version)) } // HandleUpdateStats update the stats using feedback. @@ -1020,7 +1022,7 @@ func logForIndex(prefix string, t *statistics.Table, idx *statistics.Index, rang } func (h *Handle) logDetailedInfo(q *statistics.QueryFeedback) { - t, ok := h.statsCache.Lookup(q.PhysicalID) + t, ok := h.statsCache.Load().(statsCache).tables[q.PhysicalID] if !ok { return } @@ -1061,7 +1063,7 @@ func logForPK(prefix string, c *statistics.Column, ranges []*ranger.Range, actua // RecalculateExpectCount recalculates the expect row count if the origin row count is estimated by pseudo. func (h *Handle) RecalculateExpectCount(q *statistics.QueryFeedback) error { - t, ok := h.statsCache.Lookup(q.PhysicalID) + t, ok := h.statsCache.Load().(statsCache).tables[q.PhysicalID] if !ok { return nil } diff --git a/statistics/handle/update_test.go b/statistics/handle/update_test.go index 01f4bf5c797ff..6e8bd6f4aad61 100644 --- a/statistics/handle/update_test.go +++ b/statistics/handle/update_test.go @@ -532,7 +532,7 @@ func (s *testStatsSuite) TestTableAnalyzed(c *C) { statsTbl = h.GetTableStats(tableInfo) c.Assert(handle.TableAnalyzed(statsTbl), IsTrue) - h.Clear4Test() + h.Clear() oriLease := h.Lease() // set it to non-zero so we will use load by need strategy h.SetLease(1) @@ -1733,7 +1733,7 @@ func (s *testStatsSuite) TestLoadHistCorrelation(c *C) { testKit.MustExec("insert into t values(1),(2),(3),(4),(5)") c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) testKit.MustExec("analyze table t") - h.Clear4Test() + h.Clear() c.Assert(h.Update(s.do.InfoSchema()), IsNil) result := testKit.MustQuery("show stats_histograms where Table_name = 't'") c.Assert(len(result.Rows()), Equals, 0) diff --git a/statistics/histogram.go b/statistics/histogram.go index 1ad443fb10b15..1e1c6f8a87dae 100644 --- a/statistics/histogram.go +++ b/statistics/histogram.go @@ -130,10 +130,7 @@ func (hg *Histogram) MemoryUsage() (sum int64) { if hg == nil { return } - // let the initial sum = 0 - sum = hg.Bounds.MemoryUsage() - chunk.NewChunkWithCapacity([]*types.FieldType{hg.Tp}, 0).MemoryUsage() - sum = sum + int64(cap(hg.Buckets)*int(unsafe.Sizeof(Bucket{}))) + int64(cap(hg.scalars)*int(unsafe.Sizeof(scalar{}))) - + sum = hg.Bounds.MemoryUsage() + int64(cap(hg.Buckets)*int(unsafe.Sizeof(Bucket{}))) + int64(cap(hg.scalars)*int(unsafe.Sizeof(scalar{}))) return } @@ -951,7 +948,6 @@ type Index struct { StatsVer int64 // StatsVer is the version of the current stats, used to maintain compatibility Info *model.IndexInfo Flag int64 - PhysicalID int64 // PhysicalID for lazy load LastAnalyzePos types.Datum } @@ -967,22 +963,9 @@ func (idx *Index) TotalRowCount() float64 { return idx.Histogram.TotalRowCount() } -// HistogramNeededIndices stores the Index whose Histograms need to be loaded from physical kv layer. -// Currently, we only load index/pk's Histogram from kv automatically. Columns' are loaded by needs. -var HistogramNeededIndices = neededIndexMap{idxs: map[tableIndexID]struct{}{}} - -// IsInvalid checks if this Index is invalid. -// If this Index has histogram but not loaded yet, then we mark it -// as need Index. -func (idx *Index) IsInvalid(sc *stmtctx.StatementContext, collPseudo bool) bool { - if collPseudo && idx.NotAccurate() { - return true - } - if idx.NDV > 0 && idx.Len() == 0 && sc != nil { - sc.SetHistogramsNotLoad() - HistogramNeededIndices.insert(tableIndexID{TableID: idx.PhysicalID, IndexID: idx.Info.ID}) - } - return idx.TotalRowCount() == 0 || (idx.NDV > 0 && idx.Len() == 0) +// IsInvalid checks if this index is invalid. +func (idx *Index) IsInvalid(collPseudo bool) bool { + return (collPseudo && idx.NotAccurate()) || idx.TotalRowCount() == 0 } // MemoryUsage returns the total memory usage of a Histogram and CMSketch in Index. diff --git a/statistics/selectivity_test.go b/statistics/selectivity_test.go index 2b3fb3a3876c3..311285397fba1 100644 --- a/statistics/selectivity_test.go +++ b/statistics/selectivity_test.go @@ -147,7 +147,7 @@ func cleanEnv(c *C, store kv.Storage, do *domain.Domain) { tk.MustExec("delete from mysql.stats_meta") tk.MustExec("delete from mysql.stats_histograms") tk.MustExec("delete from mysql.stats_buckets") - do.StatsHandle().Clear4Test() + do.StatsHandle().Clear() } // generateIntDatum will generate a datum slice, every dimension is begin from 0, end with num - 1. diff --git a/statistics/table.go b/statistics/table.go index e35cf44ed7c4b..69694e5c5a3a1 100644 --- a/statistics/table.go +++ b/statistics/table.go @@ -14,7 +14,6 @@ package statistics import ( - "encoding/binary" "fmt" "math" "sort" @@ -23,7 +22,6 @@ import ( "github.com/cznic/mathutil" "github.com/pingcap/errors" - "github.com/pingcap/parser/ast" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/expression" @@ -58,27 +56,6 @@ const ( PseudoRowCount = 10000 ) -// CMSketchSizeLimit indicates the max size(width * depth) of a CMSketch. -var CMSketchSizeLimit = kv.TxnEntrySizeLimit / binary.MaxVarintLen32 - -// AnalyzeOptionLimit indicates the upper bound of some attribute. -var AnalyzeOptionLimit = map[ast.AnalyzeOptionType]uint64{ - ast.AnalyzeOptNumBuckets: 1024, - ast.AnalyzeOptNumTopN: 1024, - ast.AnalyzeOptCMSketchWidth: CMSketchSizeLimit, - ast.AnalyzeOptCMSketchDepth: CMSketchSizeLimit, - ast.AnalyzeOptNumSamples: 100000, -} - -// AnalyzeOptionDefault indicates the default values of some attributes. -var AnalyzeOptionDefault = map[ast.AnalyzeOptionType]uint64{ - ast.AnalyzeOptNumBuckets: 256, - ast.AnalyzeOptNumTopN: 20, - ast.AnalyzeOptCMSketchWidth: 2048, - ast.AnalyzeOptCMSketchDepth: 5, - ast.AnalyzeOptNumSamples: 10000, -} - // Table represents statistics for a table. type Table struct { HistColl @@ -182,48 +159,6 @@ func (t *Table) Copy() *Table { return nt } -// CopyWithoutBucketsAndCMS copies the current table only with metadata. -func (t *Table) CopyWithoutBucketsAndCMS() *Table { - newHistColl := HistColl{ - PhysicalID: t.PhysicalID, - HavePhysicalID: t.HavePhysicalID, - Count: t.Count, - Columns: make(map[int64]*Column, len(t.Columns)), - Indices: make(map[int64]*Index, len(t.Indices)), - Pseudo: t.Pseudo, - ModifyCount: t.ModifyCount, - } - for id, col := range t.Columns { - oldHg := &col.Histogram - newHg := NewHistogram(oldHg.ID, oldHg.NDV, oldHg.NullCount, oldHg.LastUpdateVersion, oldHg.Tp, 0, oldHg.TotColSize) - newHistColl.Columns[id] = &Column{ - Histogram: *newHg, - PhysicalID: col.PhysicalID, - Info: col.Info, - Count: col.Count, - IsHandle: col.IsHandle, - Flag: col.Flag, - } - } - for id, idx := range t.Indices { - oldHg := &idx.Histogram - newHg := NewHistogram(oldHg.ID, oldHg.NDV, oldHg.NullCount, oldHg.LastUpdateVersion, oldHg.Tp, 0, oldHg.TotColSize) - newHistColl.Indices[id] = &Index{ - Histogram: *newHg, - PhysicalID: idx.PhysicalID, - Info: idx.Info, - StatsVer: idx.StatsVer, - Flag: idx.Flag, - } - } - nt := &Table{ - HistColl: newHistColl, - Version: t.Version, - Name: t.Name, - } - return nt -} - // String implements Stringer interface. func (t *Table) String() string { strs := make([]string, 0, len(t.Columns)+1) @@ -300,40 +235,6 @@ func (n *neededColumnMap) Delete(col tableColumnID) { n.m.Unlock() } -type tableIndexID struct { - TableID int64 - IndexID int64 -} - -type neededIndexMap struct { - m sync.Mutex - idxs map[tableIndexID]struct{} -} - -// AllIdxs returns all the idx with an array -func (n *neededIndexMap) AllIdxs() []tableIndexID { - n.m.Lock() - keys := make([]tableIndexID, 0, len(n.idxs)) - for key := range n.idxs { - keys = append(keys, key) - } - n.m.Unlock() - return keys -} - -func (n *neededIndexMap) insert(idx tableIndexID) { - n.m.Lock() - n.idxs[idx] = struct{}{} - n.m.Unlock() -} - -// Delete delete a idx from idxs -func (n *neededIndexMap) Delete(idx tableIndexID) { - n.m.Lock() - delete(n.idxs, idx) - n.m.Unlock() -} - // RatioOfPseudoEstimate means if modifyCount / statsTblCount is greater than this ratio, we think the stats is invalid // and use pseudo estimation. var RatioOfPseudoEstimate = atomic.NewFloat64(0.7) @@ -419,7 +320,7 @@ func (coll *HistColl) GetRowCountByColumnRanges(sc *stmtctx.StatementContext, co // GetRowCountByIndexRanges estimates the row count by a slice of Range. func (coll *HistColl) GetRowCountByIndexRanges(sc *stmtctx.StatementContext, idxID int64, indexRanges []*ranger.Range) (float64, error) { idx := coll.Indices[idxID] - if idx == nil || idx.IsInvalid(sc, coll.Pseudo) { + if idx == nil || idx.IsInvalid(coll.Pseudo) { colsLen := -1 if idx != nil && idx.Info.Unique { colsLen = len(idx.Info.Columns) diff --git a/tidb-server/main.go b/tidb-server/main.go index a4469079e2b1b..7b273fd8abbc9 100644 --- a/tidb-server/main.go +++ b/tidb-server/main.go @@ -558,7 +558,6 @@ func setGlobalVars() { variable.SetSysVar(variable.TiDBForcePriority, mysql.Priority2Str[priority]) variable.SetSysVar(variable.TiDBOptDistinctAggPushDown, variable.BoolToOnOff(cfg.Performance.DistinctAggPushDown)) variable.SetSysVar(variable.TIDBMemQuotaQuery, strconv.FormatInt(cfg.MemQuotaQuery, 10)) - variable.SetSysVar(variable.TIDBMemQuotaStatistics, strconv.FormatInt(cfg.MemQuotaStatistics, 10)) variable.SetSysVar("lower_case_table_names", strconv.Itoa(cfg.LowerCaseTableNames)) variable.SetSysVar(variable.LogBin, variable.BoolToOnOff(config.GetGlobalConfig().Binlog.Enable)) variable.SetSysVar(variable.Port, fmt.Sprintf("%d", cfg.Port)) diff --git a/util/kvcache/simple_lru.go b/util/kvcache/simple_lru.go index 58c0cdb899d39..46e19ecc5c712 100644 --- a/util/kvcache/simple_lru.go +++ b/util/kvcache/simple_lru.go @@ -76,17 +76,6 @@ func NewSimpleLRUCache(capacity uint, guard float64, quota uint64) *SimpleLRUCac } } -// GetAll try to get all value. -func (l *SimpleLRUCache) GetAll() []interface{} { - values := make([]interface{}, 0) - for _, v := range l.elements { - if nv, ok := v.Value.(*cacheEntry); ok { - values = append(values, nv.value) - } - } - return values -} - // Get tries to find the corresponding value according to the given key. func (l *SimpleLRUCache) Get(key Key) (value Value, ok bool) { element, exists := l.elements[string(key.Hash())] From 3adc574cceb4561b63d42f04899ef33783b97355 Mon Sep 17 00:00:00 2001 From: Yongzheng Lai Date: Mon, 14 Dec 2020 15:40:17 +0800 Subject: [PATCH 0462/1021] expression: fix incompatible result of `JSON_SEARCH()` (#20164) --- expression/builtin_json_vec.go | 6 +++++- expression/integration_test.go | 13 +++++++++++++ 2 files changed, 18 insertions(+), 1 deletion(-) diff --git a/expression/builtin_json_vec.go b/expression/builtin_json_vec.go index db512fc81359f..953da67458040 100644 --- a/expression/builtin_json_vec.go +++ b/expression/builtin_json_vec.go @@ -448,10 +448,14 @@ func (b *builtinJSONSearchSig) vecEvalJSON(input *chunk.Chunk, result *chunk.Col pathExprs = append(pathExprs, pathExpr) } } - bj, _, err := jsonBuf.GetJSON(i).Search(containType, searchBuf.GetString(i), escape, pathExprs) + bj, isNull, err := jsonBuf.GetJSON(i).Search(containType, searchBuf.GetString(i), escape, pathExprs) if err != nil { return err } + if isNull { + result.AppendNull() + continue + } result.AppendJSON(bj) } return nil diff --git a/expression/integration_test.go b/expression/integration_test.go index 4a3cf222d0ca6..7e28108669098 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7875,6 +7875,19 @@ func (s *testIntegrationSerialSuite) TestIssue20608(c *C) { tk.MustQuery("select '䇇Հ' collate utf8mb4_bin like '___Հ';").Check(testkit.Rows("0")) } +func (s *testIntegrationSerialSuite) TestIssue20161(c *C) { + collate.SetNewCollationEnabledForTest(true) + defer collate.SetNewCollationEnabledForTest(false) + + tk := testkit.NewTestKit(c, s.store) + tk.MustExec(`use test;`) + tk.MustExec(`drop table if exists t;`) + tk.MustExec(`create table t(raw JSON);`) + tk.MustExec(`insert into t(raw) values('["a","ab"]'), ('["a"]'), (null);`) + tk.MustQuery(`SELECT JSON_SEARCH(raw,'one','c') FROM t;`). + Check(testkit.Rows("", "", "")) +} + func (s *testIntegrationSuite) TestIssue10462(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") From f08c5fc4a6fc3f293ead8035363a23dba6571e85 Mon Sep 17 00:00:00 2001 From: tangenta Date: Mon, 14 Dec 2020 16:25:17 +0800 Subject: [PATCH 0463/1021] planner: not pruning column used by union scan condition (#21640) --- planner/core/integration_test.go | 21 +++++++++++++++++++++ planner/core/rule_column_pruning.go | 2 ++ 2 files changed, 23 insertions(+) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 71e37e4831bca..e59e37ed84d3e 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -2034,3 +2034,24 @@ func (s *testIntegrationSuite) TestCorrelatedColumnAggFuncPushDown(c *C) { "1", )) } + +// Test for issue https://github.com/pingcap/tidb/issues/21607. +func (s *testIntegrationSuite) TestConditionColPruneInPhysicalUnionScan(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t (a int, b int);") + tk.MustExec("begin;") + tk.MustExec("insert into t values (1, 2);") + tk.MustQuery("select count(*) from t where b = 1 and b in (3);"). + Check(testkit.Rows("0")) + + tk.MustExec("drop table t;") + tk.MustExec("create table t (a int, b int as (a + 1), c int as (b + 1));") + tk.MustExec("begin;") + tk.MustExec("insert into t (a) values (1);") + tk.MustQuery("select count(*) from t where b = 1 and b in (3);"). + Check(testkit.Rows("0")) + tk.MustQuery("select count(*) from t where c = 1 and c in (3);"). + Check(testkit.Rows("0")) +} diff --git a/planner/core/rule_column_pruning.go b/planner/core/rule_column_pruning.go index 9b2a49c0292a3..59598fd05dfc2 100644 --- a/planner/core/rule_column_pruning.go +++ b/planner/core/rule_column_pruning.go @@ -219,6 +219,8 @@ func (p *LogicalUnionScan) PruneColumns(parentUsedCols []*expression.Column) err for i := 0; i < p.handleCols.NumCols(); i++ { parentUsedCols = append(parentUsedCols, p.handleCols.GetCol(i)) } + condCols := expression.ExtractColumnsFromExpressions(nil, p.conditions, nil) + parentUsedCols = append(parentUsedCols, condCols...) return p.children[0].PruneColumns(parentUsedCols) } From 3eaa63d679cdecc4950998eb1e3fa2750857924c Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Mon, 14 Dec 2020 17:02:55 +0800 Subject: [PATCH 0464/1021] expression: Fix unexpected panic when using IF function. (#21132) --- expression/integration_test.go | 9 +++++++++ expression/scalar_function.go | 8 +++++++- expression/typeinfer_test.go | 6 +++--- 3 files changed, 19 insertions(+), 4 deletions(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index 7e28108669098..d479970160f03 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7875,6 +7875,15 @@ func (s *testIntegrationSerialSuite) TestIssue20608(c *C) { tk.MustQuery("select '䇇Հ' collate utf8mb4_bin like '___Հ';").Check(testkit.Rows("0")) } +func (s *testIntegrationSuite2) TestIssue15847(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop view if exists t15847") + tk.MustExec("CREATE VIEW t15847(c0) AS SELECT NULL;") + tk.MustQuery("SELECT * FROM t15847 WHERE (NOT (IF(t15847.c0, NULL, NULL)));").Check(testkit.Rows()) + tk.MustExec("drop view if exists t15847") +} + func (s *testIntegrationSerialSuite) TestIssue20161(c *C) { collate.SetNewCollationEnabledForTest(true) defer collate.SetNewCollationEnabledForTest(false) diff --git a/expression/scalar_function.go b/expression/scalar_function.go index be788d17f130d..16aa6d948b7b5 100644 --- a/expression/scalar_function.go +++ b/expression/scalar_function.go @@ -203,7 +203,13 @@ func newFunctionImpl(ctx sessionctx.Context, fold int, funcName string, retType } funcArgs := make([]Expression, len(args)) copy(funcArgs, args) - typeInferForNull(funcArgs) + switch funcName { + case ast.If, ast.Ifnull, ast.Nullif: + // Do nothing. Because it will call InferType4ControlFuncs. + default: + typeInferForNull(funcArgs) + } + f, err := fc.getFunction(ctx, funcArgs) if err != nil { return nil, err diff --git a/expression/typeinfer_test.go b/expression/typeinfer_test.go index 2d366c00c2320..ccefbb5751ce1 100644 --- a/expression/typeinfer_test.go +++ b/expression/typeinfer_test.go @@ -1017,9 +1017,9 @@ func (s *testInferTypeSuite) createTestCase4CompareFuncs() []typeInferTestCase { {"nullif(c_float_d , 123)", mysql.TypeFloat, charset.CharsetBin, mysql.BinaryFlag, 12, types.UnspecifiedLength}, {"nullif(c_double_d , 123)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, 22, types.UnspecifiedLength}, {"nullif(c_decimal , 123)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 6, 3}, - {"nullif(c_datetime , 123)", mysql.TypeDatetime, charset.CharsetUTF8MB4, mysql.BinaryFlag, 22, 2}, - {"nullif(c_time_d , 123)", mysql.TypeDuration, charset.CharsetUTF8MB4, mysql.BinaryFlag, 10, 0}, - {"nullif(c_timestamp_d, 123)", mysql.TypeTimestamp, charset.CharsetUTF8MB4, mysql.BinaryFlag, 19, 0}, + {"nullif(c_datetime , 123)", mysql.TypeDatetime, charset.CharsetBin, mysql.BinaryFlag, 22, 2}, + {"nullif(c_time_d , 123)", mysql.TypeDuration, charset.CharsetBin, mysql.BinaryFlag, 10, 0}, + {"nullif(c_timestamp_d, 123)", mysql.TypeTimestamp, charset.CharsetBin, mysql.BinaryFlag, 19, 0}, {"nullif(c_char , 123)", mysql.TypeString, charset.CharsetUTF8MB4, 0, 20, types.UnspecifiedLength}, {"nullif(c_varchar , 123)", mysql.TypeVarchar, charset.CharsetUTF8MB4, 0, 20, types.UnspecifiedLength}, // TODO: tp should be TypeVarString {"nullif(c_text_d , 123)", mysql.TypeBlob, charset.CharsetUTF8MB4, 0, 65535, types.UnspecifiedLength}, // TODO: tp should be TypeMediumBlob From ca909c1bf9de343c40777a6687a4da85b3c70bef Mon Sep 17 00:00:00 2001 From: wjHuang Date: Mon, 14 Dec 2020 17:19:28 +0800 Subject: [PATCH 0465/1021] planner: fix the coercibility of the cast function (#21705) Signed-off-by: wjhuang2016 --- expression/collation.go | 2 +- expression/integration_test.go | 8 ++++++++ planner/core/expression_rewriter.go | 4 ++++ 3 files changed, 13 insertions(+), 1 deletion(-) diff --git a/expression/collation.go b/expression/collation.go index d8bae9f8c45c3..a7b1983a844d2 100644 --- a/expression/collation.go +++ b/expression/collation.go @@ -90,7 +90,7 @@ const ( CoercibilityExplicit Coercibility = 0 // CoercibilityNone is derived from the concatenation of two strings with different collations. CoercibilityNone Coercibility = 1 - // CoercibilityImplicit is derived from a column or a stored routine parameter or local variable. + // CoercibilityImplicit is derived from a column or a stored routine parameter or local variable or cast() function. CoercibilityImplicit Coercibility = 2 // CoercibilitySysconst is derived from a “system constant” (the string returned by functions such as USER() or VERSION()). CoercibilitySysconst Coercibility = 3 diff --git a/expression/integration_test.go b/expression/integration_test.go index d479970160f03..c945106030568 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -8279,3 +8279,11 @@ func (s *testIntegrationSuite) TestIssue12205(c *C) { tk.MustQuery("show warnings;").Check( testkit.Rows("Warning 1292 Truncated incorrect time value: '18446744072635875000'")) } + +func (s *testIntegrationSuite2) TestCastCoer(c *C) { + tk := testkit.NewTestKit(c, s.store) + + tk.MustQuery("select coercibility(binary('a'))").Check(testkit.Rows("2")) + tk.MustQuery("select coercibility(cast('a' as char(10)))").Check(testkit.Rows("2")) + tk.MustQuery("select coercibility(convert('abc', char(10)));").Check(testkit.Rows("2")) +} diff --git a/planner/core/expression_rewriter.go b/planner/core/expression_rewriter.go index d61eb5344e985..8f17360b3677d 100644 --- a/planner/core/expression_rewriter.go +++ b/planner/core/expression_rewriter.go @@ -1056,6 +1056,10 @@ func (er *expressionRewriter) Leave(originInNode ast.Node) (retNode ast.Node, ok return retNode, false } + if v.Tp.EvalType() == types.ETString { + arg.SetCoercibility(expression.CoercibilityImplicit) + } + er.ctxStack[len(er.ctxStack)-1] = expression.BuildCastFunction(er.sctx, arg, v.Tp) er.ctxNameStk[len(er.ctxNameStk)-1] = types.EmptyName case *ast.PatternLikeExpr: From d33b81b1ee69bd60a56e45f87774e76014720a6e Mon Sep 17 00:00:00 2001 From: Chengpeng Yan <41809508+Reminiscent@users.noreply.github.com> Date: Mon, 14 Dec 2020 17:41:25 +0800 Subject: [PATCH 0466/1021] planner: fix distinct push across projection when read partition table (#21060) --- planner/core/physical_plan_test.go | 3 +++ planner/core/rule_aggregation_push_down.go | 7 +++++- planner/core/testdata/plan_suite_in.json | 7 ++++-- planner/core/testdata/plan_suite_out.json | 29 ++++++++++++++++++++++ 4 files changed, 43 insertions(+), 3 deletions(-) diff --git a/planner/core/physical_plan_test.go b/planner/core/physical_plan_test.go index bf499ddbb213a..e9a61aefb33b1 100644 --- a/planner/core/physical_plan_test.go +++ b/planner/core/physical_plan_test.go @@ -1040,6 +1040,9 @@ func (s *testPlanSuite) doTestPushdownDistinct(c *C, vars, input []string, outpu PARTITION p1 VALUES LESS THAN (100) );`) + tk.MustExec("drop table if exists tc;") + tk.MustExec("CREATE TABLE `tc`(`timestamp` timestamp NULL DEFAULT NULL, KEY `idx_timestamp` (`timestamp`)) PARTITION BY RANGE ( UNIX_TIMESTAMP(`timestamp`) ) (PARTITION `p2020072312` VALUES LESS THAN (1595480400),PARTITION `p2020072313` VALUES LESS THAN (1595484000));") + tk.MustExec("drop table if exists ta") tk.MustExec("create table ta(a int);") tk.MustExec("insert into ta values(1), (1);") diff --git a/planner/core/rule_aggregation_push_down.go b/planner/core/rule_aggregation_push_down.go index 0eba09a777fca..81babc351970e 100644 --- a/planner/core/rule_aggregation_push_down.go +++ b/planner/core/rule_aggregation_push_down.go @@ -439,7 +439,12 @@ func (a *aggregationPushDownSolver) aggPushDown(p LogicalPlan) (_ LogicalPlan, e } projChild := proj.children[0] agg.SetChildren(projChild) - } else if union, ok1 := child.(*LogicalUnionAll); ok1 && p.SCtx().GetSessionVars().AllowAggPushDown { + // When the origin plan tree is `Aggregation->Projection->Union All->X`, we need to merge 'Aggregation' and 'Projection' first. + // And then push the new 'Aggregation' below the 'Union All' . + // The final plan tree should be 'Aggregation->Union All->Aggregation->X'. + child = projChild + } + if union, ok1 := child.(*LogicalUnionAll); ok1 && p.SCtx().GetSessionVars().AllowAggPushDown { err := a.tryAggPushDownForUnion(union, agg) if err != nil { return nil, err diff --git a/planner/core/testdata/plan_suite_in.json b/planner/core/testdata/plan_suite_in.json index 957b7c1b3c1bf..1faae0dea1076 100644 --- a/planner/core/testdata/plan_suite_in.json +++ b/planner/core/testdata/plan_suite_in.json @@ -561,7 +561,9 @@ "select count(distinct c) from t;", // should not use streamAgg because c is not in group by "select /*+ HASH_AGG(), AGG_TO_COP() */ sum(distinct b) from pt;", - "select /*+ HASH_AGG(), AGG_TO_COP() */ count(distinct a) from (select * from ta union all select * from tb) t;" + "select /*+ HASH_AGG(), AGG_TO_COP() */ count(distinct a) from (select * from ta union all select * from tb) t;", + + "select distinct DATE_FORMAT(timestamp, '%Y-%m-%d %H') as tt from tc ;" ] }, { @@ -584,7 +586,8 @@ "name": "TestPushdownDistinctEnableAggPushDownDisable", "cases": [ "select /*+ HASH_AGG(), AGG_TO_COP() */ sum(distinct b) from pt;", - "select /*+ HASH_AGG(), AGG_TO_COP() */ count(distinct a) from (select * from ta union all select * from tb) t;" + "select /*+ HASH_AGG(), AGG_TO_COP() */ count(distinct a) from (select * from ta union all select * from tb) t;", + "select distinct DATE_FORMAT(timestamp, '%Y-%m-%d %H') as tt from tc ;" ] }, { diff --git a/planner/core/testdata/plan_suite_out.json b/planner/core/testdata/plan_suite_out.json index 4a9173d53ac60..a1d2c72ad0295 100644 --- a/planner/core/testdata/plan_suite_out.json +++ b/planner/core/testdata/plan_suite_out.json @@ -1641,6 +1641,22 @@ "Result": [ "1" ] + }, + { + "SQL": "select distinct DATE_FORMAT(timestamp, '%Y-%m-%d %H') as tt from tc ;", + "Plan": [ + "HashAgg_13 16000.00 root group by:Column#5, funcs:firstrow(Column#6)->Column#3", + "└─PartitionUnion_14 16000.00 root ", + " ├─HashAgg_17 8000.00 root group by:Column#15, funcs:firstrow(Column#13)->Column#6, funcs:firstrow(Column#14)->Column#5", + " │ └─Projection_37 10000.00 root date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#13, date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#14, date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#15", + " │ └─TableReader_23 10000.00 root data:TableFullScan_22", + " │ └─TableFullScan_22 10000.00 cop[tikv] table:tc, partition:p2020072312 keep order:false, stats:pseudo", + " └─HashAgg_28 8000.00 root group by:Column#18, funcs:firstrow(Column#16)->Column#6, funcs:firstrow(Column#17)->Column#5", + " └─Projection_38 10000.00 root date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#16, date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#17, date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#18", + " └─TableReader_34 10000.00 root data:TableFullScan_33", + " └─TableFullScan_33 10000.00 cop[tikv] table:tc, partition:p2020072313 keep order:false, stats:pseudo" + ], + "Result": null } ] }, @@ -1808,6 +1824,19 @@ "Result": [ "1" ] + }, + { + "SQL": "select distinct DATE_FORMAT(timestamp, '%Y-%m-%d %H') as tt from tc ;", + "Plan": [ + "HashAgg_10 16000.00 root group by:Column#3, funcs:firstrow(Column#3)->Column#3", + "└─Projection_11 20000.00 root date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#3", + " └─PartitionUnion_12 20000.00 root ", + " ├─TableReader_14 10000.00 root data:TableFullScan_13", + " │ └─TableFullScan_13 10000.00 cop[tikv] table:tc, partition:p2020072312 keep order:false, stats:pseudo", + " └─TableReader_18 10000.00 root data:TableFullScan_17", + " └─TableFullScan_17 10000.00 cop[tikv] table:tc, partition:p2020072313 keep order:false, stats:pseudo" + ], + "Result": null } ] }, From dfbb69d33d02db0e474f61bf966f27173e808d83 Mon Sep 17 00:00:00 2001 From: Zhuomin Liu Date: Mon, 14 Dec 2020 17:55:54 +0800 Subject: [PATCH 0467/1021] types: fix compare object json type (#21703) Signed-off-by: lzmhhh123 --- expression/integration_test.go | 13 +++++++++++++ types/json/binary_functions.go | 21 ++++++++++++++++++--- 2 files changed, 31 insertions(+), 3 deletions(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index c945106030568..e6b4e0680fe14 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7934,6 +7934,19 @@ func (s *testIntegrationSuite) TestIssue10462(c *C) { tk.MustQuery("select json_array(is_ipv6('1a6b:8888:ff66:77ee:0000:1234:5678:bcde'))").Check(testkit.Rows("[true]")) } +func (s *testIntegrationSerialSuite) TestJsonObjectCompare(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + + tk.MustQuery("select json_object('k', -1) > json_object('k', 2)").Check(testkit.Rows("0")) + tk.MustQuery("select json_object('k', -1) < json_object('k', 2)").Check(testkit.Rows("1")) + + tk.MustExec("drop table if exists tx") + tk.MustExec("create table tx(a double, b int)") + tk.MustExec("insert into tx values (3.0, 3)") + tk.MustQuery("select json_object('k', a) = json_object('k', b) from tx").Check(testkit.Rows("1")) +} + func (s *testIntegrationSerialSuite) TestIssue21290(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/types/json/binary_functions.go b/types/json/binary_functions.go index f8d97308bd0b0..478aea2d2aded 100644 --- a/types/json/binary_functions.go +++ b/types/json/binary_functions.go @@ -729,9 +729,24 @@ func CompareBinary(left, right BinaryJSON) int { } cmp = leftCount - rightCount case TypeCodeObject: - // only equal is defined on two json objects. - // larger and smaller are not defined. - cmp = bytes.Compare(left.Value, right.Value) + // reference: + // https://github.com/mysql/mysql-server/blob/ee4455a33b10f1b1886044322e4893f587b319ed/sql/json_dom.cc#L2561 + leftCount, rightCount := left.GetElemCount(), right.GetElemCount() + cmp := compareInt64(int64(leftCount), int64(rightCount)) + if cmp != 0 { + return cmp + } + for i := 0; i < leftCount; i++ { + leftKey, rightKey := left.objectGetKey(i), right.objectGetKey(i) + cmp = bytes.Compare(leftKey, rightKey) + if cmp != 0 { + return cmp + } + cmp = CompareBinary(left.objectGetVal(i), right.objectGetVal(i)) + if cmp != 0 { + return cmp + } + } } } else { cmp = precedence1 - precedence2 From ab9cd019be921b4d7ece3cca883b7cac7796e314 Mon Sep 17 00:00:00 2001 From: wjHuang Date: Mon, 14 Dec 2020 20:52:44 +0800 Subject: [PATCH 0468/1021] *: make expression index as an experiment feature (#21721) Signed-off-by: wjhuang2016 --- cmd/explaintest/config.toml | 1 + config/config.go | 6 +++++- config/config.toml.example | 2 ++ config/config_test.go | 2 ++ ddl/db_change_test.go | 12 ++++++++++++ ddl/db_integration_test.go | 19 ++++++++++++++++++- ddl/db_partition_test.go | 3 +++ ddl/db_test.go | 10 +++------- ddl/ddl_api.go | 3 +++ executor/executor_test.go | 1 + executor/seqtest/seq_executor_test.go | 3 +++ 11 files changed, 53 insertions(+), 9 deletions(-) diff --git a/cmd/explaintest/config.toml b/cmd/explaintest/config.toml index 289b4ef48e71d..e35fc14acf709 100644 --- a/cmd/explaintest/config.toml +++ b/cmd/explaintest/config.toml @@ -10,3 +10,4 @@ status-host = "127.0.0.1" stats-lease = "0" [experimental] +allow-expression-index = true diff --git a/config/config.go b/config/config.go index afdb129e7568d..f28f7ad9fd480 100644 --- a/config/config.go +++ b/config/config.go @@ -623,6 +623,8 @@ type IsolationRead struct { // Experimental controls the features that are still experimental: their semantics, interfaces are subject to change. // Using these features in the production environment is not recommended. type Experimental struct { + // Whether enable creating expression index. + AllowsExpressionIndex bool `toml:"allow-expression-index" json:"allow-expression-index"` } var defaultConf = Config{ @@ -778,7 +780,9 @@ var defaultConf = Config{ IsolationRead: IsolationRead{ Engines: []string{"tikv", "tiflash", "tidb"}, }, - Experimental: Experimental{}, + Experimental: Experimental{ + AllowsExpressionIndex: false, + }, EnableCollectExecutionInfo: true, EnableTelemetry: true, Labels: make(map[string]string), diff --git a/config/config.toml.example b/config/config.toml.example index 9c40fbf24e304..7eab57a02dda9 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -483,6 +483,8 @@ history-size = 24 # experimental section controls the features that are still experimental: their semantics, # interfaces are subject to change, using these features in the production environment is not recommended. [experimental] +# enable creating expression index. +allow-expression-index = false # server level isolation read by engines and labels [isolation-read] diff --git a/config/config_test.go b/config/config_test.go index 09465f8d2d54f..a36c665ee2006 100644 --- a/config/config_test.go +++ b/config/config_test.go @@ -215,6 +215,7 @@ max-sql-length=1024 refresh-interval=100 history-size=100 [experimental] +allow-expression-index = true [isolation-read] engines = ["tiflash"] [labels] @@ -261,6 +262,7 @@ spilled-file-encryption-method = "plaintext" c.Assert(conf.MaxServerConnections, Equals, uint32(200)) c.Assert(conf.MemQuotaQuery, Equals, int64(10000)) c.Assert(conf.NestedLoopJoinCacheCapacity, Equals, int64(100)) + c.Assert(conf.Experimental.AllowsExpressionIndex, IsTrue) c.Assert(conf.IsolationRead.Engines, DeepEquals, []string{"tiflash"}) c.Assert(conf.MaxIndexLength, Equals, 3080) c.Assert(conf.IndexLimit, Equals, 70) diff --git a/ddl/db_change_test.go b/ddl/db_change_test.go index 7a31803d10bc6..ca39c4ff462af 100644 --- a/ddl/db_change_test.go +++ b/ddl/db_change_test.go @@ -99,6 +99,9 @@ func (s *testStateChangeSuiteBase) TearDownSuite(c *C) { // TestShowCreateTable tests the result of "show create table" when we are running "add index" or "add column". func (s *serialTestStateChangeSuite) TestShowCreateTable(c *C) { + config.UpdateGlobal(func(conf *config.Config) { + conf.Experimental.AllowsExpressionIndex = true + }) tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") tk.MustExec("create table t (id int)") @@ -729,6 +732,12 @@ func (s *testStateChangeSuite) TestDeleteOnly(c *C) { // TestDeleteOnlyForDropExpressionIndex tests for deleting data when the hidden column is delete-only state. func (s *serialTestStateChangeSuite) TestDeleteOnlyForDropExpressionIndex(c *C) { + originalVal := config.GetGlobalConfig().Experimental.AllowsExpressionIndex + config.GetGlobalConfig().Experimental.AllowsExpressionIndex = true + defer func() { + config.GetGlobalConfig().Experimental.AllowsExpressionIndex = originalVal + }() + _, err := s.se.Execute(context.Background(), "use test_db_state") c.Assert(err, IsNil) _, err = s.se.Execute(context.Background(), `create table tt (a int, b int)`) @@ -1067,6 +1076,9 @@ func (s *testStateChangeSuite) TestParallelAlterAddIndex(c *C) { } func (s *serialTestStateChangeSuite) TestParallelAlterAddExpressionIndex(c *C) { + config.UpdateGlobal(func(conf *config.Config) { + conf.Experimental.AllowsExpressionIndex = true + }) sql1 := "ALTER TABLE t add index expr_index_b((b+1));" sql2 := "CREATE INDEX expr_index_b ON t ((c+1));" f := func(c *C, err1, err2 error) { diff --git a/ddl/db_integration_test.go b/ddl/db_integration_test.go index abf2244a0887f..5bd002fa655d9 100644 --- a/ddl/db_integration_test.go +++ b/ddl/db_integration_test.go @@ -2157,6 +2157,9 @@ func (s *testIntegrationSuite3) TestParserIssue284(c *C) { } func (s *testIntegrationSuite7) TestAddExpressionIndex(c *C) { + config.UpdateGlobal(func(conf *config.Config) { + conf.Experimental.AllowsExpressionIndex = true + }) tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") tk.MustExec("drop table if exists t;") @@ -2207,13 +2210,21 @@ func (s *testIntegrationSuite7) TestAddExpressionIndex(c *C) { tk.MustExec("drop table if exists t") tk.MustExec("create table t(a int, key((a+1)), key((a+2)), key idx((a+3)), key((a+4)));") + + // Test experiment switch. + config.UpdateGlobal(func(conf *config.Config) { + conf.Experimental.AllowsExpressionIndex = false + }) + tk.MustGetErrMsg("create index d on t((a+1))", "[ddl:8200]Unsupported creating expression index without allow-expression-index in config") } func (s *testIntegrationSuite7) TestCreateExpressionIndexError(c *C) { - defer config.RestoreFunc()() + defer config.RestoreFunc() config.UpdateGlobal(func(conf *config.Config) { + conf.Experimental.AllowsExpressionIndex = true conf.AlterPrimaryKey = true }) + tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") tk.MustExec("drop table if exists t;") @@ -2252,6 +2263,9 @@ func (s *testIntegrationSuite7) TestCreateExpressionIndexError(c *C) { } func (s *testIntegrationSuite7) TestAddExpressionIndexOnPartition(c *C) { + config.UpdateGlobal(func(conf *config.Config) { + conf.Experimental.AllowsExpressionIndex = true + }) tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") tk.MustExec("drop table if exists t;") @@ -2382,6 +2396,9 @@ func (s *testIntegrationSuite3) TestCreateTableWithAutoIdCache(c *C) { } func (s *testIntegrationSuite4) TestAlterIndexVisibility(c *C) { + config.UpdateGlobal(func(conf *config.Config) { + conf.Experimental.AllowsExpressionIndex = true + }) tk := testkit.NewTestKit(c, s.store) tk.MustExec("create database if not exists alter_index_test") tk.MustExec("USE alter_index_test;") diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index 14fb2bcd204ba..74d1f2c536b1d 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -1888,6 +1888,9 @@ func (s *testIntegrationSuite4) TestExchangePartitionTableCompatiable(c *C) { } func (s *testIntegrationSuite7) TestExchangePartitionExpressIndex(c *C) { + config.UpdateGlobal(func(conf *config.Config) { + conf.Experimental.AllowsExpressionIndex = true + }) tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") tk.MustExec("drop table if exists pt1;") diff --git a/ddl/db_test.go b/ddl/db_test.go index d3ff37666b374..b4c11df1de218 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -313,6 +313,9 @@ func (s *testDBSuite2) TestAddUniqueIndexRollback(c *C) { } func (s *testSerialDBSuite) TestAddExpressionIndexRollback(c *C) { + config.UpdateGlobal(func(conf *config.Config) { + conf.Experimental.AllowsExpressionIndex = true + }) tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test_db") tk.MustExec("drop table if exists t1") @@ -1943,9 +1946,7 @@ func checkGlobalIndexRow(c *C, ctx sessionctx.Context, tblInfo *model.TableInfo, } func (s *testSerialDBSuite) TestAddGlobalIndex(c *C) { - defer config.RestoreFunc()() config.UpdateGlobal(func(conf *config.Config) { - conf.AlterPrimaryKey = true conf.EnableGlobalIndex = true }) tk := testkit.NewTestKit(c, s.store) @@ -2656,11 +2657,6 @@ func (s *testSerialDBSuite) TestCreateTable(c *C) { } func (s *testSerialDBSuite) TestRepairTable(c *C) { - // TODO: When AlterPrimaryKey is false, this test fails. Fix it later. - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { - conf.AlterPrimaryKey = true - }) c.Assert(failpoint.Enable("github.com/pingcap/tidb/infoschema/repairFetchCreateTable", `return(true)`), IsNil) defer func() { c.Assert(failpoint.Disable("github.com/pingcap/tidb/infoschema/repairFetchCreateTable"), IsNil) diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 7d936842a1d82..6095d1d80c773 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -4860,6 +4860,9 @@ func (d *ddl) CreateIndex(ctx sessionctx.Context, ti ast.Ident, keyType ast.Inde if err != nil { return err } + if len(hiddenCols) > 0 && !config.GetGlobalConfig().Experimental.AllowsExpressionIndex { + return ErrUnsupportedExpressionIndex + } if err = checkAddColumnTooManyColumns(len(t.Cols()) + len(hiddenCols)); err != nil { return errors.Trace(err) } diff --git a/executor/executor_test.go b/executor/executor_test.go index 2091c87f7539e..a0a7154d3327b 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -90,6 +90,7 @@ func TestT(t *testing.T) { conf.Log.SlowThreshold = 30000 // 30s conf.TiKVClient.AsyncCommit.SafeWindow = 0 conf.TiKVClient.AsyncCommit.AllowedClockDrift = 0 + conf.Experimental.AllowsExpressionIndex = true }) tmpDir := config.GetGlobalConfig().TempStoragePath _ = os.RemoveAll(tmpDir) // clean the uncleared temp file during the last run. diff --git a/executor/seqtest/seq_executor_test.go b/executor/seqtest/seq_executor_test.go index 46227cc8b9f01..e409fd7ea2773 100644 --- a/executor/seqtest/seq_executor_test.go +++ b/executor/seqtest/seq_executor_test.go @@ -177,6 +177,9 @@ func (s stats) Stats(vars *variable.SessionVars) (map[string]interface{}, error) } func (s *seqTestSuite) TestShow(c *C) { + config.UpdateGlobal(func(conf *config.Config) { + conf.Experimental.AllowsExpressionIndex = true + }) tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") From e8c5efcb247735d5cc0a8fa2575e648241b8f330 Mon Sep 17 00:00:00 2001 From: Chengpeng Yan <41809508+Reminiscent@users.noreply.github.com> Date: Tue, 15 Dec 2020 10:28:30 +0800 Subject: [PATCH 0469/1021] planner: fix partition pruning when condition exceeds the range of column type (#21173) --- util/ranger/ranger.go | 7 +- util/ranger/ranger_test.go | 37 ++++++ util/ranger/testdata/ranger_suite_in.json | 17 +++ util/ranger/testdata/ranger_suite_out.json | 141 +++++++++++++++++++++ 4 files changed, 200 insertions(+), 2 deletions(-) diff --git a/util/ranger/ranger.go b/util/ranger/ranger.go index 8edc9c775f438..3a1ab70c5ab0b 100644 --- a/util/ranger/ranger.go +++ b/util/ranger/ranger.go @@ -93,8 +93,11 @@ func convertPoint(sc *stmtctx.StatementContext, point point, tp *types.FieldType } casted, err := point.value.ConvertTo(sc, tp) if err != nil { - // see issue #20101: overflow when converting integer to year - if tp.Tp != mysql.TypeYear || !terror.ErrorEqual(err, types.ErrInvalidYear) { + if tp.Tp == mysql.TypeYear && terror.ErrorEqual(err, types.ErrInvalidYear) { + // see issue #20101: overflow when converting integer to year + } else if tp.Tp == mysql.TypeBit && terror.ErrorEqual(err, types.ErrDataTooLong) { + // see issue #19067: we should ignore the types.ErrDataTooLong when we convert value to TypeBit value + } else { return point, errors.Trace(err) } } diff --git a/util/ranger/ranger_test.go b/util/ranger/ranger_test.go index 9f00d6ddaa749..1799862f9c8d9 100644 --- a/util/ranger/ranger_test.go +++ b/util/ranger/ranger_test.go @@ -1366,6 +1366,43 @@ func (s *testRangerSuite) TestPrefixIndexMultiColDNF(c *C) { } } +func (s *testRangerSuite) TestIndexRangeForBit(c *C) { + defer testleak.AfterTest(c)() + dom, store, err := newDomainStoreWithBootstrap(c) + defer func() { + dom.Close() + store.Close() + }() + c.Assert(err, IsNil) + testKit := testkit.NewTestKit(c, store) + testKit.MustExec("use test;") + testKit.MustExec("drop table if exists t;") + testKit.MustExec("CREATE TABLE `t` (" + + "a bit(1) DEFAULT NULL," + + "b int(11) DEFAULT NULL" + + ") PARTITION BY HASH(a)" + + "PARTITIONS 3;") + testKit.MustExec("insert ignore into t values(-1, -1), (0, 0), (1, 1), (3, 3);") + testKit.MustExec("analyze table t;") + + var input []string + var output []struct { + SQL string + Plan []string + Result []string + } + s.testData.GetTestCases(c, &input, &output) + for i, tt := range input { + s.testData.OnRecord(func() { + output[i].SQL = tt + output[i].Plan = s.testData.ConvertRowsToStrings(testKit.MustQuery("explain " + tt).Rows()) + output[i].Result = s.testData.ConvertRowsToStrings(testKit.MustQuery(tt).Rows()) + }) + testKit.MustQuery("explain " + tt).Check(testkit.Rows(output[i].Plan...)) + testKit.MustQuery(tt).Check(testkit.Rows(output[i].Result...)) + } +} + func (s *testRangerSuite) TestIndexRangeForYear(c *C) { defer testleak.AfterTest(c)() dom, store, err := newDomainStoreWithBootstrap(c) diff --git a/util/ranger/testdata/ranger_suite_in.json b/util/ranger/testdata/ranger_suite_in.json index 98c802b1921b8..0bce297979386 100644 --- a/util/ranger/testdata/ranger_suite_in.json +++ b/util/ranger/testdata/ranger_suite_in.json @@ -67,5 +67,22 @@ "select * from t2 where t='aaaa';", "select * from t2 where t='aaaa' or t = 'a';" ] + }, + { + "name": "TestIndexRangeForBit", + "cases": [ + "select * from t;", + "select * from t where a = 0;", + "select * from t where a = 0 or a = 4;", + "select * from t where a = 1;", + "select * from t where a = -1;", + "select * from t where a = 3;", + "select * from t where a < 1;", + "select * from t where a < 3;", + "select * from t where a < -1;", + "select * from t where a > 0;", + "select * from t where a > -1;", + "select * from t where a > 3;" + ] } ] diff --git a/util/ranger/testdata/ranger_suite_out.json b/util/ranger/testdata/ranger_suite_out.json index 1cdfbbc9e276e..2a448461ce10d 100644 --- a/util/ranger/testdata/ranger_suite_out.json +++ b/util/ranger/testdata/ranger_suite_out.json @@ -385,5 +385,146 @@ ] } ] + }, + { + "Name": "TestIndexRangeForBit", + "Cases": [ + { + "SQL": "select * from t;", + "Plan": [ + "TableReader_5 4.00 root partition:all data:TableFullScan_4", + "└─TableFullScan_4 4.00 cop[tikv] table:t keep order:false" + ], + "Result": [ + "\u0000 0", + "\u0001 -1", + "\u0001 1", + "\u0001 3" + ] + }, + { + "SQL": "select * from t where a = 0;", + "Plan": [ + "Selection_5 3.20 root eq(test.t.a, 0)", + "└─TableReader_7 4.00 root partition:p0 data:TableFullScan_6", + " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + ], + "Result": [ + "\u0000 0" + ] + }, + { + "SQL": "select * from t where a = 0 or a = 4;", + "Plan": [ + "Selection_5 3.20 root or(eq(test.t.a, 0), eq(test.t.a, 4))", + "└─TableReader_7 4.00 root partition:p0 data:TableFullScan_6", + " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + ], + "Result": [ + "\u0000 0" + ] + }, + { + "SQL": "select * from t where a = 1;", + "Plan": [ + "Selection_5 3.20 root eq(test.t.a, 1)", + "└─TableReader_7 4.00 root partition:p1 data:TableFullScan_6", + " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + ], + "Result": [ + "\u0001 -1", + "\u0001 1", + "\u0001 3" + ] + }, + { + "SQL": "select * from t where a = -1;", + "Plan": [ + "Selection_5 3.20 root eq(test.t.a, -1)", + "└─TableReader_7 4.00 root partition:dual data:TableFullScan_6", + " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + ], + "Result": null + }, + { + "SQL": "select * from t where a = 3;", + "Plan": [ + "Selection_5 3.20 root eq(test.t.a, 3)", + "└─TableReader_7 4.00 root partition:dual data:TableFullScan_6", + " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + ], + "Result": null + }, + { + "SQL": "select * from t where a < 1;", + "Plan": [ + "Selection_5 3.20 root lt(test.t.a, 1)", + "└─TableReader_7 4.00 root partition:all data:TableFullScan_6", + " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + ], + "Result": [ + "\u0000 0" + ] + }, + { + "SQL": "select * from t where a < 3;", + "Plan": [ + "Selection_5 3.20 root lt(test.t.a, 3)", + "└─TableReader_7 4.00 root partition:all data:TableFullScan_6", + " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + ], + "Result": [ + "\u0000 0", + "\u0001 -1", + "\u0001 1", + "\u0001 3" + ] + }, + { + "SQL": "select * from t where a < -1;", + "Plan": [ + "Selection_5 3.20 root lt(test.t.a, -1)", + "└─TableReader_7 4.00 root partition:dual data:TableFullScan_6", + " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + ], + "Result": null + }, + { + "SQL": "select * from t where a > 0;", + "Plan": [ + "Selection_5 3.20 root gt(test.t.a, 0)", + "└─TableReader_7 4.00 root partition:all data:TableFullScan_6", + " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + ], + "Result": [ + "\u0001 -1", + "\u0001 1", + "\u0001 3" + ] + }, + { + "SQL": "select * from t where a > -1;", + "Plan": [ + "Selection_5 3.20 root gt(test.t.a, -1)", + "└─TableReader_7 4.00 root partition:all data:TableFullScan_6", + " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + ], + "Result": [ + "\u0000 0", + "\u0001 -1", + "\u0001 1", + "\u0001 3" + ] + }, + { + "SQL": "select * from t where a > 3;", + "Plan": [ + "Selection_5 3.20 root gt(test.t.a, 3)", + "└─TableReader_7 4.00 root partition:all data:TableFullScan_6", + " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + ], + "Result": null + } + ] } ] From 13465fe25a64306797a930c9b164e41dee6452f4 Mon Sep 17 00:00:00 2001 From: crazycs Date: Tue, 15 Dec 2020 11:22:24 +0800 Subject: [PATCH 0470/1021] test: add test for plan cache for query on list partition (#21698) Signed-off-by: crazycs520 --- planner/core/prepare_test.go | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/planner/core/prepare_test.go b/planner/core/prepare_test.go index 133cb6d1b8b99..d812f0e8cc76f 100644 --- a/planner/core/prepare_test.go +++ b/planner/core/prepare_test.go @@ -477,6 +477,42 @@ func (s *testPrepareSerialSuite) TestPrepareCacheForPartition(c *C) { tk.MustQuery("execute stmt6 using @id").Check(testkit.Rows("xyz")) tk.MustExec("set @id=17") tk.MustQuery("execute stmt6 using @id").Check(testkit.Rows("hij")) + + // Test for list partition + tk.MustExec("drop table if exists t_list_index") + tk.MustExec("create table t_list_index (id int, k int, c varchar(10), primary key(id)) partition by list (id*2-id) ( PARTITION p0 VALUES IN (1,2,3,4), PARTITION p1 VALUES IN (5,6,7,8),PARTITION p2 VALUES IN (9,10,11,12))") + tk.MustExec("insert into t_list_index values (1, 1, 'abc'), (5, 5, 'def'), (9, 9, 'xyz'), (12, 12, 'hij')") + tk.MustExec("prepare stmt7 from 'select c from t_list_index where id = ?'") + tk.MustExec("set @id=1") + tk.MustQuery("execute stmt7 using @id").Check(testkit.Rows("abc")) + tk.MustQuery("execute stmt7 using @id").Check(testkit.Rows("abc")) + tk.MustExec("set @id=5") + tk.MustQuery("execute stmt7 using @id").Check(testkit.Rows("def")) + tk.MustQuery("execute stmt7 using @id").Check(testkit.Rows("def")) + tk.MustExec("set @id=9") + tk.MustQuery("execute stmt7 using @id").Check(testkit.Rows("xyz")) + tk.MustExec("set @id=12") + tk.MustQuery("execute stmt7 using @id").Check(testkit.Rows("hij")) + tk.MustExec("set @id=100") + tk.MustQuery("execute stmt7 using @id").Check(testkit.Rows()) + + // Test for list columns partition + tk.MustExec("drop table if exists t_list_index") + tk.MustExec("create table t_list_index (id int, k int, c varchar(10), primary key(id)) partition by list columns (id) ( PARTITION p0 VALUES IN (1,2,3,4), PARTITION p1 VALUES IN (5,6,7,8),PARTITION p2 VALUES IN (9,10,11,12))") + tk.MustExec("insert into t_list_index values (1, 1, 'abc'), (5, 5, 'def'), (9, 9, 'xyz'), (12, 12, 'hij')") + tk.MustExec("prepare stmt8 from 'select c from t_list_index where id = ?'") + tk.MustExec("set @id=1") + tk.MustQuery("execute stmt8 using @id").Check(testkit.Rows("abc")) + tk.MustQuery("execute stmt8 using @id").Check(testkit.Rows("abc")) + tk.MustExec("set @id=5") + tk.MustQuery("execute stmt8 using @id").Check(testkit.Rows("def")) + tk.MustQuery("execute stmt8 using @id").Check(testkit.Rows("def")) + tk.MustExec("set @id=9") + tk.MustQuery("execute stmt8 using @id").Check(testkit.Rows("xyz")) + tk.MustExec("set @id=12") + tk.MustQuery("execute stmt8 using @id").Check(testkit.Rows("hij")) + tk.MustExec("set @id=100") + tk.MustQuery("execute stmt8 using @id").Check(testkit.Rows()) } } From 77d17073a59247166ea7763687173f14caba636c Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Tue, 15 Dec 2020 11:28:20 +0800 Subject: [PATCH 0471/1021] bindinfo: refine logs of SQL bind (#21351) Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com> --- bindinfo/handle.go | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/bindinfo/handle.go b/bindinfo/handle.go index fb5f529e92adc..5eb4f8c3f9b13 100644 --- a/bindinfo/handle.go +++ b/bindinfo/handle.go @@ -150,14 +150,14 @@ func (h *BindHandle) Update(fullLoad bool) (err error) { for _, row := range rows { hash, meta, err := h.newBindRecord(row) + if err != nil { + logutil.BgLogger().Debug("[sql-bind] failed to generate bind record from data row", zap.Error(err)) + continue + } // Update lastUpdateTime to the newest one. if meta.Bindings[0].UpdateTime.Compare(lastUpdateTime) > 0 { lastUpdateTime = meta.Bindings[0].UpdateTime } - if err != nil { - logutil.BgLogger().Info("update bindinfo failed", zap.Error(err)) - continue - } oldRecord := newCache.getBindRecord(hash, meta.OriginalSQL, meta.Db) newRecord := merge(oldRecord, meta).removeDeletedBindings() @@ -393,7 +393,7 @@ func (tmpMap *tmpBindRecordMap) flushToStore() { if bindRecord.updateTime.IsZero() { err := tmpMap.flushFunc(bindRecord.bindRecord) if err != nil { - logutil.BgLogger().Error("flush bind record failed", zap.Error(err)) + logutil.BgLogger().Debug("[sql-bind] flush bind record failed", zap.Error(err)) } bindRecord.updateTime = time.Now() continue @@ -606,7 +606,7 @@ func (h *BindHandle) CaptureBaselines() { for i := range sqls { stmt, err := parser4Capture.ParseOneStmt(sqls[i], "", "") if err != nil { - logutil.BgLogger().Debug("parse SQL failed", zap.String("SQL", sqls[i]), zap.Error(err)) + logutil.BgLogger().Debug("[sql-bind] parse SQL failed in baseline capture", zap.String("SQL", sqls[i]), zap.Error(err)) continue } if insertStmt, ok := stmt.(*ast.InsertStmt); ok && insertStmt.Select == nil { @@ -626,7 +626,7 @@ func (h *BindHandle) CaptureBaselines() { h.sctx.GetSessionVars().IsolationReadEngines = oriIsolationRead h.sctx.Unlock() if err != nil { - logutil.BgLogger().Debug("generate hints failed", zap.String("SQL", sqls[i]), zap.Error(err)) + logutil.BgLogger().Debug("[sql-bind] generate hints failed in baseline capture", zap.String("SQL", sqls[i]), zap.Error(err)) continue } bindSQL := GenerateBindSQL(context.TODO(), stmt, hints) @@ -644,7 +644,7 @@ func (h *BindHandle) CaptureBaselines() { // We don't need to pass the `sctx` because the BindSQL has been validated already. err = h.AddBindRecord(nil, &BindRecord{OriginalSQL: normalizedSQL, Db: dbName, Bindings: []Binding{binding}}) if err != nil { - logutil.BgLogger().Info("capture baseline failed", zap.String("SQL", sqls[i]), zap.Error(err)) + logutil.BgLogger().Debug("[sql-bind] add bind record failed in baseline capture", zap.String("SQL", sqls[i]), zap.Error(err)) } } } @@ -688,7 +688,7 @@ func GenerateBindSQL(ctx context.Context, stmtNode ast.StmtNode, planHint string restoreCtx := format.NewRestoreCtx(format.DefaultRestoreFlags, &sb) err := stmtNode.Restore(restoreCtx) if err != nil { - logutil.Logger(ctx).Warn("Restore SQL failed", zap.Error(err)) + logutil.Logger(ctx).Debug("[sql-bind] restore SQL failed when generating bind SQL", zap.Error(err)) } bindSQL := sb.String() switch n := stmtNode.(type) { @@ -718,7 +718,7 @@ func GenerateBindSQL(ctx context.Context, stmtNode ast.StmtNode, planHint string bindSQL = bindSQL[insertIdx:] return strings.Replace(bindSQL, "SELECT", fmt.Sprintf("SELECT /*+ %s*/", planHint), 1) } - logutil.Logger(ctx).Warn("Unexpected statement type") + logutil.Logger(ctx).Debug("[sql-bind] unexpected statement type when generating bind SQL", zap.Any("statement", stmtNode)) return "" } @@ -846,7 +846,7 @@ func (h *BindHandle) getRunningDuration(sctx sessionctx.Context, db, sql string, return time.Since(startTime), nil case <-timer.C: cancelFunc() - logutil.BgLogger().Warn("plan verification timed out", zap.Duration("timeElapsed", time.Since(startTime))) + logutil.BgLogger().Debug("[sql-bind] plan verification timed out", zap.Duration("timeElapsed", time.Since(startTime)), zap.String("query", sql)) } <-resultChan return -1, nil @@ -916,7 +916,7 @@ func (h *BindHandle) HandleEvolvePlanTask(sctx sessionctx.Context, adminEvolve b if verifyPlanTime == -1 || (float64(verifyPlanTime)*acceptFactor > float64(currentPlanTime)) { binding.Status = Rejected digestText, _ := parser.NormalizeDigest(binding.BindSQL) // for log desensitization - logutil.BgLogger().Warn("new plan rejected", + logutil.BgLogger().Debug("[sql-bind] new plan rejected", zap.Duration("currentPlanTime", currentPlanTime), zap.Duration("verifyPlanTime", verifyPlanTime), zap.String("digestText", digestText), From f5a3a38bfe6f8062cd9a78a649fec5a3855e2035 Mon Sep 17 00:00:00 2001 From: xufei Date: Tue, 15 Dec 2020 11:42:55 +0800 Subject: [PATCH 0472/1021] *: fix bug that broadcast join/MPP not compatible with clustered index (#21663) --- ddl/reorg.go | 10 ++++---- distsql/request_builder.go | 42 ++++++++++++++++----------------- distsql/request_builder_test.go | 2 +- executor/analyze.go | 9 ++----- executor/builder.go | 13 ++++------ executor/checksum.go | 9 +++++-- executor/mpp_gather.go | 12 ++++++---- executor/table_reader.go | 4 +--- planner/core/plan_to_pb.go | 5 +++- 9 files changed, 53 insertions(+), 53 deletions(-) diff --git a/ddl/reorg.go b/ddl/reorg.go index f2a3ff9362cc8..67e50381be1dc 100644 --- a/ddl/reorg.go +++ b/ddl/reorg.go @@ -408,13 +408,13 @@ func (dc *ddlCtx) buildDescTableScan(ctx context.Context, startTS uint64, tbl ta } var b distsql.RequestBuilder var builder *distsql.RequestBuilder - if !tbl.Meta().IsCommonHandle { - ranges := ranger.FullIntRange(false) - builder = b.SetTableRanges(tbl.GetPhysicalID(), ranges, nil) + var ranges []*ranger.Range + if tbl.Meta().IsCommonHandle { + ranges = ranger.FullNotNullRange() } else { - ranges := ranger.FullNotNullRange() - builder = b.SetCommonHandleRanges(sctx.GetSessionVars().StmtCtx, tbl.GetPhysicalID(), ranges) + ranges = ranger.FullIntRange(false) } + builder = b.SetHandleRanges(sctx.GetSessionVars().StmtCtx, tbl.GetPhysicalID(), tbl.Meta().IsCommonHandle, ranges, nil) builder.SetDAGRequest(dagPB). SetStartTS(startTS). SetKeepOrder(true). diff --git a/distsql/request_builder.go b/distsql/request_builder.go index 39fe8c7f1f2f8..8fe631b3bbff8 100644 --- a/distsql/request_builder.go +++ b/distsql/request_builder.go @@ -48,17 +48,10 @@ func (builder *RequestBuilder) SetMemTracker(tracker *memory.Tracker) *RequestBu return builder } -// SetTableRangesForTables sets "KeyRanges" for "kv.Request" by converting multiples "tableRanges" -// to "KeyRanges" firstly. -func (builder *RequestBuilder) SetTableRangesForTables(tids []int64, tableRanges []*ranger.Range, fb *statistics.QueryFeedback) *RequestBuilder { - if builder.err == nil { - builder.Request.KeyRanges = TablesRangesToKVRanges(tids, tableRanges, fb) - } - return builder -} - // SetTableRanges sets "KeyRanges" for "kv.Request" by converting "tableRanges" // to "KeyRanges" firstly. +// Note this function should be deleted or at least not exported, but currently +// br refers it, so have to keep it. func (builder *RequestBuilder) SetTableRanges(tid int64, tableRanges []*ranger.Range, fb *statistics.QueryFeedback) *RequestBuilder { if builder.err == nil { builder.Request.KeyRanges = TableRangesToKVRanges(tid, tableRanges, fb) @@ -84,20 +77,17 @@ func (builder *RequestBuilder) SetIndexRangesForTables(sc *stmtctx.StatementCont return builder } -// SetCommonHandleRanges sets "KeyRanges" for "kv.Request" by converting common handle range +// SetHandleRanges sets "KeyRanges" for "kv.Request" by converting table handle range // "ranges" to "KeyRanges" firstly. -func (builder *RequestBuilder) SetCommonHandleRanges(sc *stmtctx.StatementContext, tid int64, ranges []*ranger.Range) *RequestBuilder { - if builder.err == nil { - builder.Request.KeyRanges, builder.err = CommonHandleRangesToKVRanges(sc, []int64{tid}, ranges) - } - return builder +func (builder *RequestBuilder) SetHandleRanges(sc *stmtctx.StatementContext, tid int64, isCommonHandle bool, ranges []*ranger.Range, fb *statistics.QueryFeedback) *RequestBuilder { + return builder.SetHandleRangesForTables(sc, []int64{tid}, isCommonHandle, ranges, fb) } -// SetCommonHandleRangesForTables sets "KeyRanges" for "kv.Request" by converting common handle range +// SetHandleRangesForTables sets "KeyRanges" for "kv.Request" by converting table handle range // "ranges" to "KeyRanges" firstly for multiple tables. -func (builder *RequestBuilder) SetCommonHandleRangesForTables(sc *stmtctx.StatementContext, tid []int64, ranges []*ranger.Range) *RequestBuilder { +func (builder *RequestBuilder) SetHandleRangesForTables(sc *stmtctx.StatementContext, tid []int64, isCommonHandle bool, ranges []*ranger.Range, fb *statistics.QueryFeedback) *RequestBuilder { if builder.err == nil { - builder.Request.KeyRanges, builder.err = CommonHandleRangesToKVRanges(sc, tid, ranges) + builder.Request.KeyRanges, builder.err = TableHandleRangesToKVRanges(sc, tid, isCommonHandle, ranges, fb) } return builder } @@ -255,13 +245,23 @@ func (builder *RequestBuilder) SetTiDBServerID(serverID uint64) *RequestBuilder return builder } +// TableHandleRangesToKVRanges convert table handle ranges to "KeyRanges" for multiple tables. +func TableHandleRangesToKVRanges(sc *stmtctx.StatementContext, tid []int64, isCommonHandle bool, ranges []*ranger.Range, fb *statistics.QueryFeedback) ([]kv.KeyRange, error) { + if !isCommonHandle { + return tablesRangesToKVRanges(tid, ranges, fb), nil + } + return CommonHandleRangesToKVRanges(sc, tid, ranges) +} + // TableRangesToKVRanges converts table ranges to "KeyRange". +// Note this function should not be exported, but currently +// br refers to it, so have to keep it. func TableRangesToKVRanges(tid int64, ranges []*ranger.Range, fb *statistics.QueryFeedback) []kv.KeyRange { - return TablesRangesToKVRanges([]int64{tid}, ranges, fb) + return tablesRangesToKVRanges([]int64{tid}, ranges, fb) } -// TablesRangesToKVRanges converts table ranges to "KeyRange". -func TablesRangesToKVRanges(tids []int64, ranges []*ranger.Range, fb *statistics.QueryFeedback) []kv.KeyRange { +// tablesRangesToKVRanges converts table ranges to "KeyRange". +func tablesRangesToKVRanges(tids []int64, ranges []*ranger.Range, fb *statistics.QueryFeedback) []kv.KeyRange { if fb == nil || fb.Hist == nil { return tableRangesToKVRangesWithoutSplit(tids, ranges) } diff --git a/distsql/request_builder_test.go b/distsql/request_builder_test.go index 4fe2617efffe1..d97c34a853605 100644 --- a/distsql/request_builder_test.go +++ b/distsql/request_builder_test.go @@ -278,7 +278,7 @@ func (s *testSuite) TestRequestBuilder1(c *C) { }, } - actual, err := (&RequestBuilder{}).SetTableRanges(12, ranges, nil). + actual, err := (&RequestBuilder{}).SetHandleRanges(nil, 12, false, ranges, nil). SetDAGRequest(&tipb.DAGRequest{}). SetDesc(false). SetKeepOrder(false). diff --git a/executor/analyze.go b/executor/analyze.go index ece7a77ec26b6..091abb8575c74 100644 --- a/executor/analyze.go +++ b/executor/analyze.go @@ -278,7 +278,7 @@ func (e *AnalyzeIndexExec) fetchAnalyzeResult(ranges []*ranger.Range, isNullRang var builder distsql.RequestBuilder var kvReqBuilder *distsql.RequestBuilder if e.isCommonHandle && e.idxInfo.Primary { - kvReqBuilder = builder.SetCommonHandleRangesForTables(e.ctx.GetSessionVars().StmtCtx, e.tableID.CollectIDs, ranges) + kvReqBuilder = builder.SetHandleRangesForTables(e.ctx.GetSessionVars().StmtCtx, e.tableID.CollectIDs, true, ranges, nil) } else { kvReqBuilder = builder.SetIndexRangesForTables(e.ctx.GetSessionVars().StmtCtx, e.tableID.CollectIDs, e.idxInfo.ID, ranges) } @@ -469,12 +469,7 @@ func (e *AnalyzeColumnsExec) open(ranges []*ranger.Range) error { func (e *AnalyzeColumnsExec) buildResp(ranges []*ranger.Range) (distsql.SelectResult, error) { var builder distsql.RequestBuilder - var reqBuilder *distsql.RequestBuilder - if e.handleCols != nil && !e.handleCols.IsInt() { - reqBuilder = builder.SetCommonHandleRangesForTables(e.ctx.GetSessionVars().StmtCtx, e.tableID.CollectIDs, ranges) - } else { - reqBuilder = builder.SetTableRangesForTables(e.tableID.CollectIDs, ranges, nil) - } + reqBuilder := builder.SetHandleRangesForTables(e.ctx.GetSessionVars().StmtCtx, e.tableID.CollectIDs, e.handleCols != nil && !e.handleCols.IsInt(), ranges, nil) // Always set KeepOrder of the request to be true, in order to compute // correct `correlation` of columns. kvReq, err := reqBuilder. diff --git a/executor/builder.go b/executor/builder.go index d6d4506e7ad1d..845be050c7950 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -3337,16 +3337,11 @@ func (h kvRangeBuilderFromRangeAndPartition) buildKeyRange(int64) ([]kv.KeyRange for _, p := range h.partitions { pid := p.GetPhysicalID() meta := p.Meta() - if meta != nil && meta.IsCommonHandle { - kvRange, err := distsql.CommonHandleRangesToKVRanges(h.sctx.GetSessionVars().StmtCtx, []int64{pid}, h.ranges) - if err != nil { - return nil, err - } - ret = append(ret, kvRange...) - } else { - kvRange := distsql.TableRangesToKVRanges(pid, h.ranges, nil) - ret = append(ret, kvRange...) + kvRange, err := distsql.TableHandleRangesToKVRanges(h.sctx.GetSessionVars().StmtCtx, []int64{pid}, meta != nil && meta.IsCommonHandle, h.ranges, nil) + if err != nil { + return nil, err } + ret = append(ret, kvRange...) } return ret, nil } diff --git a/executor/checksum.go b/executor/checksum.go index 3f735b2838445..c6c28fe593754 100644 --- a/executor/checksum.go +++ b/executor/checksum.go @@ -233,10 +233,15 @@ func (c *checksumContext) buildTableRequest(ctx sessionctx.Context, tableID int6 Algorithm: tipb.ChecksumAlgorithm_Crc64_Xor, } - ranges := ranger.FullIntRange(false) + var ranges []*ranger.Range + if c.TableInfo.IsCommonHandle { + ranges = ranger.FullNotNullRange() + } else { + ranges = ranger.FullIntRange(false) + } var builder distsql.RequestBuilder - return builder.SetTableRanges(tableID, ranges, nil). + return builder.SetHandleRanges(ctx.GetSessionVars().StmtCtx, tableID, c.TableInfo.IsCommonHandle, ranges, nil). SetChecksumRequest(checksum). SetStartTS(c.StartTs). SetConcurrency(ctx.GetSessionVars().DistSQLScanConcurrency()). diff --git a/executor/mpp_gather.go b/executor/mpp_gather.go index aba6f9cd04e2b..668c8681f7b20 100644 --- a/executor/mpp_gather.go +++ b/executor/mpp_gather.go @@ -54,8 +54,9 @@ type MPPGather struct { } func (e *MPPGather) constructMPPTasksImpl(ctx context.Context, p *plannercore.Fragment) ([]*kv.MPPTask, error) { + isCommonHandle := p.TableScan.Table.IsCommonHandle if p.TableScan.Table.GetPartitionInfo() == nil { - return e.constructSinglePhysicalTable(ctx, p.TableScan.Table.ID, p.TableScan.Ranges) + return e.constructSinglePhysicalTable(ctx, p.TableScan.Table.ID, isCommonHandle, p.TableScan.Ranges) } tmp, _ := e.is.TableByID(p.TableScan.Table.ID) tbl := tmp.(table.PartitionedTable) @@ -65,7 +66,7 @@ func (e *MPPGather) constructMPPTasksImpl(ctx context.Context, p *plannercore.Fr } allTasks := make([]*kv.MPPTask, 0) for _, part := range partitions { - partTasks, err := e.constructSinglePhysicalTable(ctx, part.GetPhysicalID(), p.TableScan.Ranges) + partTasks, err := e.constructSinglePhysicalTable(ctx, part.GetPhysicalID(), isCommonHandle, p.TableScan.Ranges) if err != nil { return nil, errors.Trace(err) } @@ -75,8 +76,11 @@ func (e *MPPGather) constructMPPTasksImpl(ctx context.Context, p *plannercore.Fr } // single physical table means a table without partitions or a single partition in a partition table. -func (e *MPPGather) constructSinglePhysicalTable(ctx context.Context, tableID int64, ranges []*ranger.Range) ([]*kv.MPPTask, error) { - kvRanges := distsql.TableRangesToKVRanges(tableID, ranges, nil) +func (e *MPPGather) constructSinglePhysicalTable(ctx context.Context, tableID int64, isCommonHandle bool, ranges []*ranger.Range) ([]*kv.MPPTask, error) { + kvRanges, err := distsql.TableHandleRangesToKVRanges(e.ctx.GetSessionVars().StmtCtx, []int64{tableID}, isCommonHandle, ranges, nil) + if err != nil { + return nil, errors.Trace(err) + } req := &kv.MPPBuildTasksRequest{KeyRanges: kvRanges} metas, err := e.ctx.GetMPPClient().ConstructMPPTasks(ctx, req) if err != nil { diff --git a/executor/table_reader.go b/executor/table_reader.go index 3c5f7fade5ab1..4a73006eadb20 100644 --- a/executor/table_reader.go +++ b/executor/table_reader.go @@ -219,10 +219,8 @@ func (e *TableReaderExecutor) buildResp(ctx context.Context, ranges []*ranger.Ra return nil, err } reqBuilder = builder.SetKeyRanges(kvRange) - } else if e.table.Meta() != nil && e.table.Meta().IsCommonHandle { - reqBuilder = builder.SetCommonHandleRanges(e.ctx.GetSessionVars().StmtCtx, getPhysicalTableID(e.table), ranges) } else { - reqBuilder = builder.SetTableRanges(getPhysicalTableID(e.table), ranges, e.feedback) + reqBuilder = builder.SetHandleRanges(e.ctx.GetSessionVars().StmtCtx, getPhysicalTableID(e.table), e.table.Meta() != nil && e.table.Meta().IsCommonHandle, ranges, e.feedback) } kvReq, err := reqBuilder. SetDAGRequest(e.dagPB). diff --git a/planner/core/plan_to_pb.go b/planner/core/plan_to_pb.go index bc63e87e52773..8ae2f76b04ca1 100644 --- a/planner/core/plan_to_pb.go +++ b/planner/core/plan_to_pb.go @@ -159,7 +159,10 @@ func (p *PhysicalTableScan) ToPB(ctx sessionctx.Context, storeType kv.StoreType) executorID := "" if storeType == kv.TiFlash && p.IsGlobalRead { tsExec.NextReadEngine = tipb.EngineType_TiFlash - ranges := distsql.TableRangesToKVRanges(tsExec.TableId, p.Ranges, nil) + ranges, err := distsql.TableHandleRangesToKVRanges(ctx.GetSessionVars().StmtCtx, []int64{tsExec.TableId}, p.Table.IsCommonHandle, p.Ranges, nil) + if err != nil { + return nil, err + } for _, keyRange := range ranges { tsExec.Ranges = append(tsExec.Ranges, tipb.KeyRange{Low: keyRange.StartKey, High: keyRange.EndKey}) } From 8935ad1d802ccfa761704afa00423bd7066d8024 Mon Sep 17 00:00:00 2001 From: tiancaiamao Date: Tue, 15 Dec 2020 11:57:24 +0800 Subject: [PATCH 0473/1021] table/tables: fix a DATA RACE in a unit test case (#21733) --- table/tables/tables_test.go | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/table/tables/tables_test.go b/table/tables/tables_test.go index d6f3823c8ec87..af94704355cc2 100644 --- a/table/tables/tables_test.go +++ b/table/tables/tables_test.go @@ -663,14 +663,10 @@ func (ts *testSuite) TestConstraintCheckForUniqueIndex(c *C) { tk2.Exec("insert into ttt(k,c) values(3, 'tidb')") ch <- 2 }() + // Sleep 100ms for tk2 to execute, if it's not blocked, 2 should have been sent to the channel. time.Sleep(100 * time.Millisecond) ch <- 1 tk1.Exec("commit") - var isSession1 string - if 1 == <-ch { - isSession1 = "true" - } - c.Assert(isSession1, Equals, "true") - tk1.MustExec("rollback") - tk2.MustExec("rollback") + // The data in channel is 1 means tk2 is blocked, that's the expected behavior. + c.Assert(<-ch, Equals, 1) } From b0d9934fb05a0b61878eb72a0bd437388160c1b0 Mon Sep 17 00:00:00 2001 From: Zhuomin Liu Date: Tue, 15 Dec 2020 12:12:55 +0800 Subject: [PATCH 0474/1021] types: fix compare float64 with float64 in json (#21709) Signed-off-by: lzmhhh123 --- expression/integration_test.go | 7 +++++++ types/json/binary_functions.go | 12 +++++++++++- 2 files changed, 18 insertions(+), 1 deletion(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index e6b4e0680fe14..0d5753ba176a1 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -4404,6 +4404,13 @@ func (s *testIntegrationSuite) TestFuncJSON(c *C) { // #16267 tk.MustQuery(`select json_array(922337203685477580) = json_array(922337203685477581);`).Check(testkit.Rows("0")) + + // #10461 + tk.MustExec("drop table if exists tx1") + tk.MustExec("create table tx1(id int key, a double, b double, c double, d double)") + tk.MustExec("insert into tx1 values (1, 0.1, 0.2, 0.3, 0.0)") + tk.MustQuery("select a+b, c from tx1").Check(testkit.Rows("0.30000000000000004 0.3")) + tk.MustQuery("select json_array(a+b) = json_array(c) from tx1").Check(testkit.Rows("0")) } func (s *testIntegrationSuite) TestColumnInfoModified(c *C) { diff --git a/types/json/binary_functions.go b/types/json/binary_functions.go index 478aea2d2aded..30133c6e7b5ab 100644 --- a/types/json/binary_functions.go +++ b/types/json/binary_functions.go @@ -647,6 +647,16 @@ func compareInt64(x int64, y int64) int { return 1 } +func compareFloat64(x float64, y float64) int { + if x < y { + return -1 + } else if x == y { + return 0 + } + + return 1 +} + func compareUint64(x uint64, y uint64) int { if x < y { return -1 @@ -712,7 +722,7 @@ func CompareBinary(left, right BinaryJSON) int { case TypeCodeUint64: cmp = compareFloat64Uint64(left.GetFloat64(), right.GetUint64()) case TypeCodeFloat64: - cmp = compareFloat64PrecisionLoss(left.GetFloat64(), right.GetFloat64()) + cmp = compareFloat64(left.GetFloat64(), right.GetFloat64()) } case TypeCodeString: cmp = bytes.Compare(left.GetString(), right.GetString()) From 8829b462c412875c898244be4661b4af27ddec0a Mon Sep 17 00:00:00 2001 From: Song Gao Date: Tue, 15 Dec 2020 13:49:42 +0800 Subject: [PATCH 0475/1021] store: support select peers by label in GetTiKVRPCContext (#21634) --- store/mockstore/mocktikv/cluster.go | 29 ++++++++++ store/tikv/region_cache.go | 52 ++++++++++++----- store/tikv/region_cache_test.go | 90 +++++++++++++++++++++++++++++ 3 files changed, 158 insertions(+), 13 deletions(-) diff --git a/store/mockstore/mocktikv/cluster.go b/store/mockstore/mocktikv/cluster.go index fb602201cb1f9..555beee7f97d0 100644 --- a/store/mockstore/mocktikv/cluster.go +++ b/store/mockstore/mocktikv/cluster.go @@ -431,6 +431,13 @@ func (c *Cluster) ScheduleDelay(startTS, regionID uint64, dur time.Duration) { c.delayMu.Unlock() } +// UpdateStoreLabels merge the target and owned labels together +func (c *Cluster) UpdateStoreLabels(storeID uint64, labels []*metapb.StoreLabel) { + c.Lock() + defer c.Unlock() + c.stores[storeID].mergeLabels(labels) +} + func (c *Cluster) handleDelay(startTS, regionID uint64) { key := delayKey{startTS: startTS, regionID: regionID} c.delayMu.Lock() @@ -665,3 +672,25 @@ func newStore(storeID uint64, addr string, labels ...*metapb.StoreLabel) *Store }, } } + +func (s *Store) mergeLabels(labels []*metapb.StoreLabel) { + if len(s.meta.Labels) < 1 { + s.meta.Labels = labels + return + } + kv := make(map[string]string, len(s.meta.Labels)) + for _, label := range s.meta.Labels { + kv[label.Key] = label.Value + } + for _, label := range labels { + kv[label.Key] = label.Value + } + mergedLabels := make([]*metapb.StoreLabel, 0, len(kv)) + for k, v := range kv { + mergedLabels = append(mergedLabels, &metapb.StoreLabel{ + Key: k, + Value: v, + }) + } + s.meta.Labels = mergedLabels +} diff --git a/store/tikv/region_cache.go b/store/tikv/region_cache.go index 8bc435aa60c1a..e3e0898aa1c6a 100644 --- a/store/tikv/region_cache.go +++ b/store/tikv/region_cache.go @@ -141,7 +141,7 @@ func (r *RegionStore) clone() *RegionStore { } // return next follower store's index -func (r *RegionStore) follower(seed uint32) AccessIndex { +func (r *RegionStore) follower(seed uint32, op *storeSelectorOp) AccessIndex { l := uint32(r.accessStoreNum(TiKvOnly)) if l <= 1 { return r.workTiKVIdx @@ -153,7 +153,7 @@ func (r *RegionStore) follower(seed uint32) AccessIndex { followerIdx++ } storeIdx, s := r.accessStore(TiKvOnly, followerIdx) - if r.storeEpochs[storeIdx] == atomic.LoadUint32(&s.epoch) { + if r.storeEpochs[storeIdx] == atomic.LoadUint32(&s.epoch) && r.filterStoreCandidate(followerIdx, op) { return followerIdx } seed++ @@ -162,20 +162,28 @@ func (r *RegionStore) follower(seed uint32) AccessIndex { } // return next leader or follower store's index -func (r *RegionStore) kvPeer(seed uint32) AccessIndex { +func (r *RegionStore) kvPeer(seed uint32, op *storeSelectorOp) AccessIndex { candidates := make([]AccessIndex, 0, r.accessStoreNum(TiKvOnly)) for i := 0; i < r.accessStoreNum(TiKvOnly); i++ { storeIdx, s := r.accessStore(TiKvOnly, AccessIndex(i)) - if r.storeEpochs[storeIdx] != atomic.LoadUint32(&s.epoch) { + if r.storeEpochs[storeIdx] != atomic.LoadUint32(&s.epoch) || !r.filterStoreCandidate(AccessIndex(i), op) { continue } candidates = append(candidates, AccessIndex(i)) } - if len(candidates) == 0 { return r.workTiKVIdx } - return candidates[int32(seed)%int32(len(candidates))] + return candidates[seed%uint32(len(candidates))] +} + +func (r *RegionStore) filterStoreCandidate(aidx AccessIndex, op *storeSelectorOp) bool { + _, s := r.accessStore(TiKvOnly, aidx) + // filter label unmatched store + if !s.IsLabelsMatch(op.labels) { + return false + } + return true } // init initializes region after constructed. @@ -371,9 +379,23 @@ func (c *RPCContext) String() string { c.Region.GetID(), c.Meta, c.Peer, c.Addr, c.AccessIdx, c.AccessMode, runStoreType) } +type storeSelectorOp struct { + labels []*metapb.StoreLabel +} + +// StoreSelectorOption configures storeSelectorOp. +type StoreSelectorOption func(*storeSelectorOp) + +// WithMatchLabels indicates selecting stores with matched labels +func WithMatchLabels(labels []*metapb.StoreLabel) StoreSelectorOption { + return func(op *storeSelectorOp) { + op.labels = labels + } +} + // GetTiKVRPCContext returns RPCContext for a region. If it returns nil, the region // must be out of date and already dropped from cache. -func (c *RegionCache) GetTiKVRPCContext(bo *Backoffer, id RegionVerID, replicaRead kv.ReplicaReadType, followerStoreSeed uint32) (*RPCContext, error) { +func (c *RegionCache) GetTiKVRPCContext(bo *Backoffer, id RegionVerID, replicaRead kv.ReplicaReadType, followerStoreSeed uint32, opts ...StoreSelectorOption) (*RPCContext, error) { ts := time.Now().Unix() cachedRegion := c.getCachedRegionWithRLock(id) @@ -392,11 +414,15 @@ func (c *RegionCache) GetTiKVRPCContext(bo *Backoffer, id RegionVerID, replicaRe storeIdx int accessIdx AccessIndex ) + options := &storeSelectorOp{} + for _, op := range opts { + op(options) + } switch replicaRead { case kv.ReplicaReadFollower: - store, peer, accessIdx, storeIdx = cachedRegion.FollowerStorePeer(regionStore, followerStoreSeed) + store, peer, accessIdx, storeIdx = cachedRegion.FollowerStorePeer(regionStore, followerStoreSeed, options) case kv.ReplicaReadMixed: - store, peer, accessIdx, storeIdx = cachedRegion.AnyStorePeer(regionStore, followerStoreSeed) + store, peer, accessIdx, storeIdx = cachedRegion.AnyStorePeer(regionStore, followerStoreSeed, options) default: store, peer, accessIdx, storeIdx = cachedRegion.WorkStorePeer(regionStore) } @@ -1279,13 +1305,13 @@ func (r *Region) WorkStorePeer(rs *RegionStore) (store *Store, peer *metapb.Peer } // FollowerStorePeer returns a follower store with follower peer. -func (r *Region) FollowerStorePeer(rs *RegionStore, followerStoreSeed uint32) (store *Store, peer *metapb.Peer, accessIdx AccessIndex, storeIdx int) { - return r.getKvStorePeer(rs, rs.follower(followerStoreSeed)) +func (r *Region) FollowerStorePeer(rs *RegionStore, followerStoreSeed uint32, op *storeSelectorOp) (store *Store, peer *metapb.Peer, accessIdx AccessIndex, storeIdx int) { + return r.getKvStorePeer(rs, rs.follower(followerStoreSeed, op)) } // AnyStorePeer returns a leader or follower store with the associated peer. -func (r *Region) AnyStorePeer(rs *RegionStore, followerStoreSeed uint32) (store *Store, peer *metapb.Peer, accessIdx AccessIndex, storeIdx int) { - return r.getKvStorePeer(rs, rs.kvPeer(followerStoreSeed)) +func (r *Region) AnyStorePeer(rs *RegionStore, followerStoreSeed uint32, op *storeSelectorOp) (store *Store, peer *metapb.Peer, accessIdx AccessIndex, storeIdx int) { + return r.getKvStorePeer(rs, rs.kvPeer(followerStoreSeed, op)) } // RegionVerID is a unique ID that can identify a Region at a specific version. diff --git a/store/tikv/region_cache_test.go b/store/tikv/region_cache_test.go index 34da8c0dc1728..d6ccf125b2332 100644 --- a/store/tikv/region_cache_test.go +++ b/store/tikv/region_cache_test.go @@ -623,6 +623,96 @@ func (s *testRegionCacheSuite) TestSendFailedInMultipleNode(c *C) { c.Assert(ctxFollower1.Peer.Id, Not(Equals), ctxFollower2.Peer.Id) } +func (s *testRegionCacheSuite) TestLabelSelectorTiKVPeer(c *C) { + dc1Label := []*metapb.StoreLabel{ + { + Key: "zone", + Value: "dc-1", + }, + } + dc2Label := []*metapb.StoreLabel{ + { + Key: "zone", + Value: "dc-2", + }, + } + dc3Label := []*metapb.StoreLabel{ + { + Key: "zone", + Value: "dc-3", + }, + } + s.cluster.UpdateStoreLabels(s.store1, dc1Label) + s.cluster.UpdateStoreLabels(s.store2, dc2Label) + + store3 := s.cluster.AllocID() + peer3 := s.cluster.AllocID() + s.cluster.AddStore(store3, s.storeAddr(store3)) + s.cluster.AddPeer(s.region1, store3, peer3) + s.cluster.UpdateStoreLabels(store3, dc1Label) + // Region have 3 peer, leader located in dc-1, followers located in dc-1, dc-2 + loc, err := s.cache.LocateKey(s.bo, []byte("a")) + c.Assert(err, IsNil) + seed := rand.Uint32() + + testcases := []struct { + name string + t kv.ReplicaReadType + labels []*metapb.StoreLabel + expectStoreIDRange map[uint64]struct{} + }{ + { + name: "any Peer,located in dc-1", + t: kv.ReplicaReadMixed, + labels: dc1Label, + expectStoreIDRange: map[uint64]struct{}{ + s.store1: {}, + store3: {}, + }, + }, + { + name: "any Peer,located in dc-2", + t: kv.ReplicaReadMixed, + labels: dc2Label, + expectStoreIDRange: map[uint64]struct{}{ + s.store2: {}, + }, + }, + { + name: "only follower,located in dc-1", + t: kv.ReplicaReadFollower, + labels: dc1Label, + expectStoreIDRange: map[uint64]struct{}{ + store3: {}, + }, + }, + { + name: "only leader, shouldn't consider labels", + t: kv.ReplicaReadLeader, + labels: dc2Label, + expectStoreIDRange: map[uint64]struct{}{ + s.store1: {}, + }, + }, + { + name: "no label matching, fallback to leader", + t: kv.ReplicaReadMixed, + labels: dc3Label, + expectStoreIDRange: map[uint64]struct{}{ + s.store1: {}, + }, + }, + } + + for _, testcase := range testcases { + c.Log(testcase.name) + ctx, err := s.cache.GetTiKVRPCContext(s.bo, loc.Region, testcase.t, seed, WithMatchLabels(testcase.labels)) + c.Assert(err, IsNil) + _, exist := testcase.expectStoreIDRange[ctx.Store.storeID] + c.Assert(exist, Equals, true) + } +} + func (s *testRegionCacheSuite) TestSplit(c *C) { seed := rand.Uint32() r := s.getRegion(c, []byte("x")) From d878fe193b892396bd800baec01ffd2514ce28f6 Mon Sep 17 00:00:00 2001 From: Yuanjia Zhang Date: Tue, 15 Dec 2020 14:31:25 +0800 Subject: [PATCH 0476/1021] executor: introduce new variables to control Apply's behaviors and add more tests for it (#20844) --- config/config.go | 32 ++++++++++----------- config/config.toml.example | 3 -- config/config_test.go | 2 -- executor/apply_cache.go | 2 +- executor/apply_cache_test.go | 2 +- executor/builder.go | 2 +- executor/parallel_apply.go | 5 ++++ executor/parallel_apply_test.go | 39 ++++++++++++++++++++++++++ executor/set_test.go | 21 ++++++++++++++ planner/core/exhaust_physical_plans.go | 2 +- session/session.go | 2 ++ sessionctx/variable/session.go | 18 ++++-------- sessionctx/variable/session_test.go | 2 +- sessionctx/variable/sysvar.go | 2 +- sessionctx/variable/tidb_vars.go | 7 ++--- sessionctx/variable/varsutil.go | 3 +- sessionctx/variable/varsutil_test.go | 2 +- 17 files changed, 99 insertions(+), 47 deletions(-) diff --git a/config/config.go b/config/config.go index f28f7ad9fd480..f6b877fbf0f49 100644 --- a/config/config.go +++ b/config/config.go @@ -88,22 +88,21 @@ var ( // Config contains configuration options. type Config struct { - Host string `toml:"host" json:"host"` - AdvertiseAddress string `toml:"advertise-address" json:"advertise-address"` - Port uint `toml:"port" json:"port"` - Cors string `toml:"cors" json:"cors"` - Store string `toml:"store" json:"store"` - Path string `toml:"path" json:"path"` - Socket string `toml:"socket" json:"socket"` - Lease string `toml:"lease" json:"lease"` - RunDDL bool `toml:"run-ddl" json:"run-ddl"` - SplitTable bool `toml:"split-table" json:"split-table"` - TokenLimit uint `toml:"token-limit" json:"token-limit"` - OOMUseTmpStorage bool `toml:"oom-use-tmp-storage" json:"oom-use-tmp-storage"` - TempStoragePath string `toml:"tmp-storage-path" json:"tmp-storage-path"` - OOMAction string `toml:"oom-action" json:"oom-action"` - MemQuotaQuery int64 `toml:"mem-quota-query" json:"mem-quota-query"` - NestedLoopJoinCacheCapacity int64 `toml:"nested-loop-join-cache-capacity" json:"nested-loop-join-cache-capacity"` + Host string `toml:"host" json:"host"` + AdvertiseAddress string `toml:"advertise-address" json:"advertise-address"` + Port uint `toml:"port" json:"port"` + Cors string `toml:"cors" json:"cors"` + Store string `toml:"store" json:"store"` + Path string `toml:"path" json:"path"` + Socket string `toml:"socket" json:"socket"` + Lease string `toml:"lease" json:"lease"` + RunDDL bool `toml:"run-ddl" json:"run-ddl"` + SplitTable bool `toml:"split-table" json:"split-table"` + TokenLimit uint `toml:"token-limit" json:"token-limit"` + OOMUseTmpStorage bool `toml:"oom-use-tmp-storage" json:"oom-use-tmp-storage"` + TempStoragePath string `toml:"tmp-storage-path" json:"tmp-storage-path"` + OOMAction string `toml:"oom-action" json:"oom-action"` + MemQuotaQuery int64 `toml:"mem-quota-query" json:"mem-quota-query"` // TempStorageQuota describe the temporary storage Quota during query exector when OOMUseTmpStorage is enabled // If the quota exceed the capacity of the TempStoragePath, the tidb-server would exit with fatal error TempStorageQuota int64 `toml:"tmp-storage-quota" json:"tmp-storage-quota"` // Bytes @@ -643,7 +642,6 @@ var defaultConf = Config{ TempStoragePath: tempStorageDirName, OOMAction: OOMActionCancel, MemQuotaQuery: 1 << 30, - NestedLoopJoinCacheCapacity: 20971520, EnableStreaming: false, EnableBatchDML: false, CheckMb4ValueInUTF8: true, diff --git a/config/config.toml.example b/config/config.toml.example index 7eab57a02dda9..f06f85359f2f8 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -34,9 +34,6 @@ token-limit = 1000 # The maximum memory available for a single SQL statement. Default: 1GB mem-quota-query = 1073741824 -# The maximum number available of a NLJ cache for a single SQL statement. Default: 20MB -nested-loop-join-cache-capacity = 20971520 - # Controls whether to enable the temporary storage for some operators when a single SQL statement exceeds the memory quota specified by mem-quota-query. oom-use-tmp-storage = true diff --git a/config/config_test.go b/config/config_test.go index a36c665ee2006..dd57c6f18f4fa 100644 --- a/config/config_test.go +++ b/config/config_test.go @@ -188,7 +188,6 @@ server-version = "test_version" repair-mode = true max-server-connections = 200 mem-quota-query = 10000 -nested-loop-join-cache-capacity = 100 max-index-length = 3080 index-limit = 70 skip-register-to-dashboard = true @@ -261,7 +260,6 @@ spilled-file-encryption-method = "plaintext" c.Assert(conf.RepairMode, Equals, true) c.Assert(conf.MaxServerConnections, Equals, uint32(200)) c.Assert(conf.MemQuotaQuery, Equals, int64(10000)) - c.Assert(conf.NestedLoopJoinCacheCapacity, Equals, int64(100)) c.Assert(conf.Experimental.AllowsExpressionIndex, IsTrue) c.Assert(conf.IsolationRead.Engines, DeepEquals, []string{"tiflash"}) c.Assert(conf.MaxIndexLength, Equals, 3080) diff --git a/executor/apply_cache.go b/executor/apply_cache.go index 1c3ff0b742b1f..eab8e24f6768d 100644 --- a/executor/apply_cache.go +++ b/executor/apply_cache.go @@ -48,7 +48,7 @@ func newApplyCache(ctx sessionctx.Context) (*applyCache, error) { cache := kvcache.NewSimpleLRUCache(mathutil.MaxUint, 0.1, 0) c := applyCache{ cache: cache, - memCapacity: ctx.GetSessionVars().NestedLoopJoinCacheCapacity, + memCapacity: ctx.GetSessionVars().MemQuotaApplyCache, memTracker: memory.NewTracker(memory.LabelForApplyCache, -1), } return &c, nil diff --git a/executor/apply_cache_test.go b/executor/apply_cache_test.go index 131d2b0e0d885..5c8af4b44b3a1 100644 --- a/executor/apply_cache_test.go +++ b/executor/apply_cache_test.go @@ -31,7 +31,7 @@ type testApplyCacheSuite struct { func (s *testApplyCacheSuite) TestApplyCache(c *C) { ctx := mock.NewContext() - ctx.GetSessionVars().NestedLoopJoinCacheCapacity = 100 + ctx.GetSessionVars().MemQuotaApplyCache = 100 applyCache, err := newApplyCache(ctx) c.Assert(err, IsNil) diff --git a/executor/builder.go b/executor/builder.go index 845be050c7950..a2ea15b4438af 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -1712,7 +1712,7 @@ func (b *executorBuilder) buildApply(v *plannercore.PhysicalApply) Executor { joiners: joiners, corCols: corCols, concurrency: v.Concurrency, - useCache: true, + useCache: v.CanUseCache, } } return serialExec diff --git a/executor/parallel_apply.go b/executor/parallel_apply.go index 4b3fb46118c72..8c215e0bddb60 100644 --- a/executor/parallel_apply.go +++ b/executor/parallel_apply.go @@ -20,6 +20,7 @@ import ( "sync/atomic" "github.com/pingcap/errors" + "github.com/pingcap/failpoint" "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/util/chunk" @@ -196,6 +197,7 @@ func (e *ParallelNestedLoopApplyExec) outerWorker(ctx context.Context) { var selected []bool var err error for { + failpoint.Inject("parallelApplyOuterWorkerPanic", nil) chk := newFirstChunk(e.outerExec) if err := Next(ctx, e.outerExec, chk); err != nil { e.putResult(nil, err) @@ -233,6 +235,7 @@ func (e *ParallelNestedLoopApplyExec) innerWorker(ctx context.Context, id int) { case <-e.exit: return } + failpoint.Inject("parallelApplyInnerWorkerPanic", nil) err := e.fillInnerChunk(ctx, id, chk) if err == nil && chk.NumRows() == 0 { // no more data, this goroutine can exit return @@ -276,6 +279,7 @@ func (e *ParallelNestedLoopApplyExec) fetchAllInners(ctx context.Context, id int } if e.useCache { // look up the cache atomic.AddInt64(&e.cacheAccessCounter, 1) + failpoint.Inject("parallelApplyGetCachePanic", nil) value, err := e.cache.Get(key) if err != nil { return err @@ -322,6 +326,7 @@ func (e *ParallelNestedLoopApplyExec) fetchAllInners(ctx context.Context, id int } if e.useCache { // update the cache + failpoint.Inject("parallelApplySetCachePanic", nil) if _, err := e.cache.Set(key, e.innerList[id]); err != nil { return err } diff --git a/executor/parallel_apply_test.go b/executor/parallel_apply_test.go index bc43dfcdf3adb..48c743860d92b 100644 --- a/executor/parallel_apply_test.go +++ b/executor/parallel_apply_test.go @@ -18,6 +18,7 @@ import ( "strings" . "github.com/pingcap/check" + "github.com/pingcap/failpoint" "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/testkit" @@ -548,12 +549,50 @@ func (s *testSuite) TestApplyCacheRatio(c *C) { // 10% tk.MustExec("insert into t1 values (1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6), (7, 7), (8, 8), (9, 9), (1, 1)") c.Assert(checkRatio("10.000%"), IsTrue) + tk.MustExec("set tidb_mem_quota_apply_cache = 0") + c.Assert(checkRatio(""), IsFalse) + tk.MustExec("set tidb_mem_quota_apply_cache = 33554432") + // 20% tk.MustExec("truncate t1") tk.MustExec("insert into t1 values (1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6), (7, 7), (8, 8), (2, 2), (1, 1)") c.Assert(checkRatio("20.000%"), IsTrue) + tk.MustExec("set tidb_mem_quota_apply_cache = 0") + c.Assert(checkRatio(""), IsFalse) + tk.MustExec("set tidb_mem_quota_apply_cache = 33554432") // 50% tk.MustExec("truncate t1") tk.MustExec("insert into t1 values (1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (1, 1), (2, 2), (3, 3), (4, 4), (5, 5)") c.Assert(checkRatio("50.000%"), IsTrue) + tk.MustExec("set tidb_mem_quota_apply_cache = 0") + c.Assert(checkRatio(""), IsFalse) +} + +func (s *testSuite) TestApplyGoroutinePanic(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("set tidb_enable_parallel_apply=true") + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a int, b int)") + tk.MustExec("create table t2(a int, b int)") + tk.MustExec("insert into t1 values (1, 1), (1, 1), (2, 2), (2, 3), (2, 3), (1, 1), (1, 1), (2, 2), (2, 3), (2, 3)") + tk.MustExec("insert into t2 values (2, 2), (3,3), (-1, 1), (5, 4), (2, 2), (3,3), (-1, 1), (5, 4)") + + // no panic + sql := "select (select count(*) from t2 where t2.a > t1.a and t2.b > t1.a) from t1" + checkApplyPlan(c, tk, sql, 1) + tk.MustQuery(sql).Sort().Check(testkit.Rows("4", "4", "4", "4", "4", "4", "6", "6", "6", "6")) + + // panic in a inner worker + c.Assert(failpoint.Enable("github.com/pingcap/tidb/executor/parallelApplyInnerWorkerPanic", "panic"), IsNil) + err := tk.QueryToErr(sql) + c.Assert(err, NotNil) // verify errors are not be ignored + c.Assert(failpoint.Disable("github.com/pingcap/tidb/executor/parallelApplyInnerWorkerPanic"), IsNil) + + for _, panicName := range []string{"parallelApplyInnerWorkerPanic", "parallelApplyOuterWorkerPanic", "parallelApplyGetCachePanic", "parallelApplySetCachePanic"} { + panicPath := fmt.Sprintf("github.com/pingcap/tidb/executor/%v", panicName) + c.Assert(failpoint.Enable(panicPath, "panic"), IsNil) + err := tk.QueryToErr(sql) + c.Assert(err, NotNil) // verify errors are not be ignored + c.Assert(failpoint.Disable(panicPath), IsNil) + } } diff --git a/executor/set_test.go b/executor/set_test.go index 78d0b31fb9d5b..3381acac33ca0 100644 --- a/executor/set_test.go +++ b/executor/set_test.go @@ -449,6 +449,27 @@ func (s *testSerialSuite1) TestSetVar(c *C) { _, err = tk.Exec("set tidb_enable_parallel_apply=-1") c.Assert(terror.ErrorEqual(err, variable.ErrWrongValueForVar), IsTrue) + // test for tidb_mem_quota_apply_cache + defVal := fmt.Sprintf("%v", variable.DefTiDBMemQuotaApplyCache) + tk.MustQuery(`select @@tidb_mem_quota_apply_cache`).Check(testkit.Rows(defVal)) + tk.MustExec(`set global tidb_mem_quota_apply_cache = 1`) + tk.MustQuery(`select @@global.tidb_mem_quota_apply_cache`).Check(testkit.Rows("1")) + tk.MustExec(`set global tidb_mem_quota_apply_cache = 0`) + tk.MustQuery(`select @@global.tidb_mem_quota_apply_cache`).Check(testkit.Rows("0")) + tk.MustExec(`set tidb_mem_quota_apply_cache = 123`) + tk.MustQuery(`select @@global.tidb_mem_quota_apply_cache`).Check(testkit.Rows("0")) + tk.MustQuery(`select @@tidb_mem_quota_apply_cache`).Check(testkit.Rows("123")) + + // test for tidb_enable_parallel_apply + tk.MustQuery(`select @@tidb_enable_parallel_apply`).Check(testkit.Rows("0")) + tk.MustExec(`set global tidb_enable_parallel_apply = 1`) + tk.MustQuery(`select @@global.tidb_enable_parallel_apply`).Check(testkit.Rows("1")) + tk.MustExec(`set global tidb_enable_parallel_apply = 0`) + tk.MustQuery(`select @@global.tidb_enable_parallel_apply`).Check(testkit.Rows("0")) + tk.MustExec(`set tidb_enable_parallel_apply=1`) + tk.MustQuery(`select @@global.tidb_enable_parallel_apply`).Check(testkit.Rows("0")) + tk.MustQuery(`select @@tidb_enable_parallel_apply`).Check(testkit.Rows("1")) + tk.MustQuery(`select @@session.tidb_general_log;`).Check(testkit.Rows("0")) tk.MustQuery(`show variables like 'tidb_general_log';`).Check(testkit.Rows("tidb_general_log OFF")) tk.MustExec("set tidb_general_log = 1") diff --git a/planner/core/exhaust_physical_plans.go b/planner/core/exhaust_physical_plans.go index 8c4c6ad5a82b5..4cea140dd2dd6 100644 --- a/planner/core/exhaust_physical_plans.go +++ b/planner/core/exhaust_physical_plans.go @@ -1898,7 +1898,7 @@ func (la *LogicalApply) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([ } var canUseCache bool - if cacheHitRatio > 0.1 && la.ctx.GetSessionVars().NestedLoopJoinCacheCapacity > 0 { + if cacheHitRatio > 0.1 && la.ctx.GetSessionVars().MemQuotaApplyCache > 0 { canUseCache = true } else { canUseCache = false diff --git a/session/session.go b/session/session.go index 34072792a2d1b..131da380b4c47 100644 --- a/session/session.go +++ b/session/session.go @@ -2285,6 +2285,8 @@ var builtinGlobalVariable = []string{ variable.TiDBEnableChangeColumnType, variable.TiDBEnableChangeMultiSchema, variable.TiDBEnableAmendPessimisticTxn, + variable.TiDBMemQuotaApplyCache, + variable.TiDBEnableParallelApply, variable.TiDBMemoryUsageAlarmRatio, variable.TiDBEnableRateLimitAction, variable.TiDBEnableAsyncCommit, diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index b423f8399be44..b028368311856 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -936,8 +936,8 @@ func NewSessionVars() *SessionVars { ExecutorConcurrency: DefExecutorConcurrency, } vars.MemQuota = MemQuota{ - MemQuotaQuery: config.GetGlobalConfig().MemQuotaQuery, - NestedLoopJoinCacheCapacity: config.GetGlobalConfig().NestedLoopJoinCacheCapacity, + MemQuotaQuery: config.GetGlobalConfig().MemQuotaQuery, + MemQuotaApplyCache: DefTiDBMemQuotaApplyCache, // The variables below do not take any effect anymore, it's remaining for compatibility. // TODO: remove them in v4.1 @@ -947,7 +947,6 @@ func NewSessionVars() *SessionVars { MemQuotaTopn: DefTiDBMemQuotaTopn, MemQuotaIndexLookupReader: DefTiDBMemQuotaIndexLookupReader, MemQuotaIndexLookupJoin: DefTiDBMemQuotaIndexLookupJoin, - MemQuotaNestedLoopApply: DefTiDBMemQuotaNestedLoopApply, MemQuotaDistSQL: DefTiDBMemQuotaDistSQL, } vars.BatchSize = BatchSize{ @@ -1418,8 +1417,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.InitChunkSize = tidbOptPositiveInt32(val, DefInitChunkSize) case TIDBMemQuotaQuery: s.MemQuotaQuery = tidbOptInt64(val, config.GetGlobalConfig().MemQuotaQuery) - case TIDBNestedLoopJoinCacheCapacity: - s.NestedLoopJoinCacheCapacity = tidbOptInt64(val, config.GetGlobalConfig().NestedLoopJoinCacheCapacity) + case TiDBMemQuotaApplyCache: + s.MemQuotaApplyCache = tidbOptInt64(val, DefTiDBMemQuotaApplyCache) case TIDBMemQuotaHashJoin: s.MemQuotaHashJoin = tidbOptInt64(val, DefTiDBMemQuotaHashJoin) case TIDBMemQuotaMergeJoin: @@ -1432,8 +1431,6 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.MemQuotaIndexLookupReader = tidbOptInt64(val, DefTiDBMemQuotaIndexLookupReader) case TIDBMemQuotaIndexLookupJoin: s.MemQuotaIndexLookupJoin = tidbOptInt64(val, DefTiDBMemQuotaIndexLookupJoin) - case TIDBMemQuotaNestedLoopApply: - s.MemQuotaNestedLoopApply = tidbOptInt64(val, DefTiDBMemQuotaNestedLoopApply) case TiDBGeneralLog: ProcessGeneralLog.Store(TiDBOptOn(val)) case TiDBPProfSQLCPU: @@ -1933,9 +1930,8 @@ func (c *Concurrency) UnionConcurrency() int { type MemQuota struct { // MemQuotaQuery defines the memory quota for a query. MemQuotaQuery int64 - - // NestedLoopJoinCacheCapacity defines the memory capacity for apply cache. - NestedLoopJoinCacheCapacity int64 + // MemQuotaApplyCache defines the memory capacity for apply cache. + MemQuotaApplyCache int64 // The variables below do not take any effect anymore, it's remaining for compatibility. // TODO: remove them in v4.1 @@ -1951,8 +1947,6 @@ type MemQuota struct { MemQuotaIndexLookupReader int64 // MemQuotaIndexLookupJoin defines the memory quota for a index lookup join executor. MemQuotaIndexLookupJoin int64 - // MemQuotaNestedLoopApply defines the memory quota for a nested loop apply executor. - MemQuotaNestedLoopApply int64 // MemQuotaDistSQL defines the memory quota for all operators in DistSQL layer like co-processor and selectResult. MemQuotaDistSQL int64 } diff --git a/sessionctx/variable/session_test.go b/sessionctx/variable/session_test.go index 504fdf7c6c5d1..132c1326c3aa7 100644 --- a/sessionctx/variable/session_test.go +++ b/sessionctx/variable/session_test.go @@ -53,7 +53,7 @@ func (*testSessionSuite) TestSetSystemVariable(c *C) { {variable.TIDBMemQuotaTopn, "1024", false}, {variable.TIDBMemQuotaIndexLookupReader, "1024", false}, {variable.TIDBMemQuotaIndexLookupJoin, "1024", false}, - {variable.TIDBMemQuotaNestedLoopApply, "1024", false}, + {variable.TiDBMemQuotaApplyCache, "1024", false}, {variable.TiDBEnableStmtSummary, "1", false}, } for _, t := range tests { diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index bbf75260218ac..9c13dfa7cb04a 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1005,7 +1005,6 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TIDBMemQuotaTopn, Value: strconv.FormatInt(DefTiDBMemQuotaTopn, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TIDBMemQuotaIndexLookupReader, Value: strconv.FormatInt(DefTiDBMemQuotaIndexLookupReader, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TIDBMemQuotaIndexLookupJoin, Value: strconv.FormatInt(DefTiDBMemQuotaIndexLookupJoin, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, - {Scope: ScopeSession, Name: TIDBMemQuotaNestedLoopApply, Value: strconv.FormatInt(DefTiDBMemQuotaNestedLoopApply, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TiDBEnableStreaming, Value: BoolOff, Type: TypeBool}, {Scope: ScopeSession, Name: TiDBEnableChunkRPC, Value: BoolOn, Type: TypeBool}, @@ -1019,6 +1018,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBMergeJoinConcurrency, Value: strconv.Itoa(DefTiDBMergeJoinConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBStreamAggConcurrency, Value: strconv.Itoa(DefTiDBStreamAggConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableParallelApply, Value: BoolToOnOff(DefTiDBEnableParallelApply), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBMemQuotaApplyCache, Value: strconv.Itoa(DefTiDBMemQuotaApplyCache)}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBBackoffLockFast, Value: strconv.Itoa(kv.DefBackoffLockFast), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBBackOffWeight, Value: strconv.Itoa(kv.DefBackOffWeight), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBRetryLimit, Value: strconv.Itoa(DefTiDBRetryLimit), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 48af16db9ea5e..749d8358f9646 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -96,8 +96,8 @@ const ( // The following session variables controls the memory quota during query execution. // "tidb_mem_quota_query": control the memory quota of a query. - TIDBMemQuotaQuery = "tidb_mem_quota_query" // Bytes. - TIDBNestedLoopJoinCacheCapacity = "tidb_nested_loop_join_cache_capacity" + TIDBMemQuotaQuery = "tidb_mem_quota_query" // Bytes. + TiDBMemQuotaApplyCache = "tidb_mem_quota_apply_cache" // TODO: remove them below sometime, it should have only one Quota(TIDBMemQuotaQuery). TIDBMemQuotaHashJoin = "tidb_mem_quota_hashjoin" // Bytes. TIDBMemQuotaMergeJoin = "tidb_mem_quota_mergejoin" // Bytes. @@ -105,7 +105,6 @@ const ( TIDBMemQuotaTopn = "tidb_mem_quota_topn" // Bytes. TIDBMemQuotaIndexLookupReader = "tidb_mem_quota_indexlookupreader" // Bytes. TIDBMemQuotaIndexLookupJoin = "tidb_mem_quota_indexlookupjoin" // Bytes. - TIDBMemQuotaNestedLoopApply = "tidb_mem_quota_nestedloopapply" // Bytes. // tidb_general_log is used to log every query in the server in info level. TiDBGeneralLog = "tidb_general_log" @@ -536,13 +535,13 @@ const ( DefDMLBatchSize = 0 DefMaxPreparedStmtCount = -1 DefWaitTimeout = 0 + DefTiDBMemQuotaApplyCache = 32 << 20 // 32MB. DefTiDBMemQuotaHashJoin = 32 << 30 // 32GB. DefTiDBMemQuotaMergeJoin = 32 << 30 // 32GB. DefTiDBMemQuotaSort = 32 << 30 // 32GB. DefTiDBMemQuotaTopn = 32 << 30 // 32GB. DefTiDBMemQuotaIndexLookupReader = 32 << 30 // 32GB. DefTiDBMemQuotaIndexLookupJoin = 32 << 30 // 32GB. - DefTiDBMemQuotaNestedLoopApply = 32 << 30 // 32GB. DefTiDBMemQuotaDistSQL = 32 << 30 // 32GB. DefTiDBGeneralLog = false DefTiDBPProfSQLCPU = 0 diff --git a/sessionctx/variable/varsutil.go b/sessionctx/variable/varsutil.go index 721985eaa617a..32bc603ca527f 100644 --- a/sessionctx/variable/varsutil.go +++ b/sessionctx/variable/varsutil.go @@ -285,8 +285,7 @@ func CheckDeprecationSetSystemVar(s *SessionVars, name string) { s.StmtCtx.AppendWarning(errWarnDeprecatedSyntax.FastGenByArgs(name, TiDBExecutorConcurrency)) case TIDBMemQuotaHashJoin, TIDBMemQuotaMergeJoin, TIDBMemQuotaSort, TIDBMemQuotaTopn, - TIDBMemQuotaIndexLookupReader, TIDBMemQuotaIndexLookupJoin, - TIDBMemQuotaNestedLoopApply: + TIDBMemQuotaIndexLookupReader, TIDBMemQuotaIndexLookupJoin: s.StmtCtx.AppendWarning(errWarnDeprecatedSyntax.FastGenByArgs(name, TIDBMemQuotaQuery)) } } diff --git a/sessionctx/variable/varsutil_test.go b/sessionctx/variable/varsutil_test.go index 43668179f3c1f..0e10bcb23d52c 100644 --- a/sessionctx/variable/varsutil_test.go +++ b/sessionctx/variable/varsutil_test.go @@ -94,7 +94,7 @@ func (s *testVarsutilSuite) TestNewSessionVars(c *C) { c.Assert(vars.MemQuotaTopn, Equals, int64(DefTiDBMemQuotaTopn)) c.Assert(vars.MemQuotaIndexLookupReader, Equals, int64(DefTiDBMemQuotaIndexLookupReader)) c.Assert(vars.MemQuotaIndexLookupJoin, Equals, int64(DefTiDBMemQuotaIndexLookupJoin)) - c.Assert(vars.MemQuotaNestedLoopApply, Equals, int64(DefTiDBMemQuotaNestedLoopApply)) + c.Assert(vars.MemQuotaApplyCache, Equals, int64(DefTiDBMemQuotaApplyCache)) c.Assert(vars.EnableRadixJoin, Equals, DefTiDBUseRadixJoin) c.Assert(vars.AllowWriteRowID, Equals, DefOptWriteRowID) c.Assert(vars.TiDBOptJoinReorderThreshold, Equals, DefTiDBOptJoinReorderThreshold) From 1a4817869cf488ad79dc0ddaecdeb0f2555f5c43 Mon Sep 17 00:00:00 2001 From: ThySinner Date: Tue, 15 Dec 2020 15:02:25 +0800 Subject: [PATCH 0477/1021] planner/cascades: add rule `TransformJoinCondToSel` (#20460) (#21078) --- .../testdata/integration_suite_in.json | 3 +- .../testdata/integration_suite_out.json | 269 ++++++++++-------- .../transformation_rules_suite_in.json | 3 +- .../transformation_rules_suite_out.json | 35 ++- planner/cascades/transformation_rules.go | 202 ++++++++----- planner/cascades/transformation_rules_test.go | 3 + planner/core/rule_predicate_push_down.go | 22 +- 7 files changed, 331 insertions(+), 206 deletions(-) diff --git a/planner/cascades/testdata/integration_suite_in.json b/planner/cascades/testdata/integration_suite_in.json index 2aabcbf039913..b4f563265813c 100644 --- a/planner/cascades/testdata/integration_suite_in.json +++ b/planner/cascades/testdata/integration_suite_in.json @@ -109,7 +109,8 @@ "select t1.a, t1.b from t1 left join t2 on t1.a = t2.a where t1.a > 2 and t2.b > 200", "select t2.a, t2.b from t1 right join t2 on t1.a = t2.a where t1.a > 2 and t2.b > 200", "select t1.a, t1.b from t1, t2 where t1.a = t2.a order by t1.a", - "select * from t1 join t2 on t1.a = t2.a" + "select * from t1 join t2 on t1.a = t2.a", + "select * from t1 join t2 on t1.a = t2.a and t1.a > 2" ] }, { diff --git a/planner/cascades/testdata/integration_suite_out.json b/planner/cascades/testdata/integration_suite_out.json index a0b190c9e7844..846b2d22b91db 100644 --- a/planner/cascades/testdata/integration_suite_out.json +++ b/planner/cascades/testdata/integration_suite_out.json @@ -273,11 +273,11 @@ { "SQL": "select max(a.a) from t a left join t b on a.a = b.a", "Plan": [ - "HashAgg_33 1.00 root funcs:max(test.t.a)->Column#5", - "└─Limit_35 1.00 root offset:0, count:1", - " └─TableReader_40 1.00 root data:Limit_41", - " └─Limit_41 1.00 cop[tikv] offset:0, count:1", - " └─TableFullScan_39 1.00 cop[tikv] table:a keep order:true, desc, stats:pseudo" + "HashAgg_36 1.00 root funcs:max(test.t.a)->Column#5", + "└─Limit_38 1.00 root offset:0, count:1", + " └─TableReader_43 1.00 root data:Limit_44", + " └─Limit_44 1.00 cop[tikv] offset:0, count:1", + " └─TableFullScan_42 1.00 cop[tikv] table:a keep order:true, desc, stats:pseudo" ], "Result": [ "4" @@ -286,10 +286,10 @@ { "SQL": "select avg(a.b) from t a left join t b on a.a = b.a", "Plan": [ - "HashAgg_16 1.00 root funcs:avg(Column#6, Column#7)->Column#5", - "└─TableReader_17 1.00 root data:HashAgg_18", - " └─HashAgg_18 1.00 cop[tikv] funcs:count(test.t.b)->Column#6, funcs:sum(test.t.b)->Column#7", - " └─TableFullScan_15 10000.00 cop[tikv] table:a keep order:false, stats:pseudo" + "HashAgg_17 1.00 root funcs:avg(Column#6, Column#7)->Column#5", + "└─TableReader_18 1.00 root data:HashAgg_19", + " └─HashAgg_19 1.00 cop[tikv] funcs:count(test.t.b)->Column#6, funcs:sum(test.t.b)->Column#7", + " └─TableFullScan_16 10000.00 cop[tikv] table:a keep order:false, stats:pseudo" ], "Result": [ "27.5000" @@ -298,9 +298,9 @@ { "SQL": "select t1.a, max(t1.b) from t as t1 left join (select * from t) as t2 on t1.a = t2.a and t1.b = 3 group by t1.a order by a", "Plan": [ - "Projection_14 10000.00 root test.t.a, cast(test.t.b, int(11))->Column#5", - "└─TableReader_15 10000.00 root data:TableFullScan_16", - " └─TableFullScan_16 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo" + "Projection_15 10000.00 root test.t.a, cast(test.t.b, int(11))->Column#5", + "└─TableReader_16 10000.00 root data:TableFullScan_17", + " └─TableFullScan_17 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo" ], "Result": [ "1 11", @@ -312,9 +312,9 @@ { "SQL": "select t1.a, sum(distinct t1.b) from t as t1 left join (select * from t) as t2 on t1.b = t2.b group by t1.a order by a", "Plan": [ - "Projection_13 10000.00 root test.t.a, cast(test.t.b, decimal(32,0) BINARY)->Column#5", - "└─TableReader_14 10000.00 root data:TableFullScan_15", - " └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo" + "Projection_15 10000.00 root test.t.a, cast(test.t.b, decimal(32,0) BINARY)->Column#5", + "└─TableReader_16 10000.00 root data:TableFullScan_17", + " └─TableFullScan_17 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo" ], "Result": [ "1 11", @@ -326,9 +326,9 @@ { "SQL": "select t2.a, max(t2.b) from t as t1 right join (select * from t) as t2 on t1.a = t2.a group by t2.a order by a", "Plan": [ - "Projection_14 10000.00 root test.t.a, cast(test.t.b, int(11))->Column#5", - "└─TableReader_15 10000.00 root data:TableFullScan_16", - " └─TableFullScan_16 10000.00 cop[tikv] table:t keep order:true, stats:pseudo" + "Projection_15 10000.00 root test.t.a, cast(test.t.b, int(11))->Column#5", + "└─TableReader_16 10000.00 root data:TableFullScan_17", + " └─TableFullScan_17 10000.00 cop[tikv] table:t keep order:true, stats:pseudo" ], "Result": [ "1 11", @@ -340,9 +340,9 @@ { "SQL": "select t3.a, max(t3.b) from (select t1.a, t1.b from t as t1 left join t as t2 on t1.b = t2.b) t3 group by t3.a order by a", "Plan": [ - "Projection_13 10000.00 root test.t.a, cast(test.t.b, int(11))->Column#5", - "└─TableReader_14 10000.00 root data:TableFullScan_15", - " └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo" + "Projection_18 10000.00 root test.t.a, cast(test.t.b, int(11))->Column#5", + "└─TableReader_19 10000.00 root data:TableFullScan_20", + " └─TableFullScan_20 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo" ], "Result": [ "1 11", @@ -808,8 +808,8 @@ { "SQL": "select t1.a, t1.b from t as t1 left join t as t2 on t1.a = t2.a and t1.b = 3 order by a", "Plan": [ - "TableReader_24 12500.00 root data:TableFullScan_25", - "└─TableFullScan_25 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo" + "TableReader_26 12500.00 root data:TableFullScan_27", + "└─TableFullScan_27 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo" ], "Result": [ "1 11", @@ -915,12 +915,12 @@ { "SQL": "select t1.a, t1.b from t1, t2 where t1.a = t2.a and t1.a > 2", "Plan": [ - "Projection_16 4166.67 root test.t1.a, test.t1.b", - "└─MergeJoin_19 4166.67 root inner join, left key:test.t1.a, right key:test.t2.a", - " ├─TableReader_27(Build) 3333.33 root data:TableRangeScan_28", - " │ └─TableRangeScan_28 3333.33 cop[tikv] table:t2 range:(2,+inf], keep order:true, stats:pseudo", - " └─TableReader_24(Probe) 3333.33 root data:TableRangeScan_25", - " └─TableRangeScan_25 3333.33 cop[tikv] table:t1 range:(2,+inf], keep order:true, stats:pseudo" + "Projection_18 4166.67 root test.t1.a, test.t1.b", + "└─MergeJoin_21 4166.67 root inner join, left key:test.t1.a, right key:test.t2.a", + " ├─TableReader_29(Build) 3333.33 root data:TableRangeScan_30", + " │ └─TableRangeScan_30 3333.33 cop[tikv] table:t2 range:(2,+inf], keep order:true, stats:pseudo", + " └─TableReader_26(Probe) 3333.33 root data:TableRangeScan_27", + " └─TableRangeScan_27 3333.33 cop[tikv] table:t1 range:(2,+inf], keep order:true, stats:pseudo" ], "Result": [ "3 33" @@ -929,13 +929,13 @@ { "SQL": "select t1.a, t1.b from t1, t2 where t1.a > t2.a and t2.b > 200", "Plan": [ - "Projection_12 80000000.00 root test.t1.a, test.t1.b", - "└─HashJoin_14 80000000.00 root CARTESIAN inner join, other cond:gt(test.t1.a, test.t2.a)", - " ├─TableReader_17(Build) 8000.00 root data:Selection_18", - " │ └─Selection_18 8000.00 cop[tikv] gt(test.t2.b, 200)", - " │ └─TableFullScan_19 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", - " └─TableReader_15(Probe) 10000.00 root data:TableFullScan_16", - " └─TableFullScan_16 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + "Projection_14 80000000.00 root test.t1.a, test.t1.b", + "└─HashJoin_16 80000000.00 root CARTESIAN inner join, other cond:gt(test.t1.a, test.t2.a)", + " ├─TableReader_19(Build) 8000.00 root data:Selection_20", + " │ └─Selection_20 8000.00 cop[tikv] gt(test.t2.b, 200)", + " │ └─TableFullScan_21 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_17(Probe) 10000.00 root data:TableFullScan_18", + " └─TableFullScan_18 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" ], "Result": [ "3 33", @@ -946,13 +946,13 @@ { "SQL": "select t1.a, t1.b from t1 left join t2 on t1.a = t2.a where t1.a > 2 and t2.b > 200", "Plan": [ - "Projection_17 3333.33 root test.t1.a, test.t1.b", - "└─Selection_18 3333.33 root gt(test.t2.b, 200)", - " └─MergeJoin_21 4166.67 root left outer join, left key:test.t1.a, right key:test.t2.a", - " ├─TableReader_29(Build) 3333.33 root data:TableRangeScan_30", - " │ └─TableRangeScan_30 3333.33 cop[tikv] table:t2 range:(2,+inf], keep order:true, stats:pseudo", - " └─TableReader_26(Probe) 3333.33 root data:TableRangeScan_27", - " └─TableRangeScan_27 3333.33 cop[tikv] table:t1 range:(2,+inf], keep order:true, stats:pseudo" + "Projection_20 3333.33 root test.t1.a, test.t1.b", + "└─Selection_21 3333.33 root gt(test.t2.b, 200)", + " └─MergeJoin_24 4166.67 root left outer join, left key:test.t1.a, right key:test.t2.a", + " ├─TableReader_32(Build) 3333.33 root data:TableRangeScan_33", + " │ └─TableRangeScan_33 3333.33 cop[tikv] table:t2 range:(2,+inf], keep order:true, stats:pseudo", + " └─TableReader_29(Probe) 3333.33 root data:TableRangeScan_30", + " └─TableRangeScan_30 3333.33 cop[tikv] table:t1 range:(2,+inf], keep order:true, stats:pseudo" ], "Result": [ "3 33" @@ -961,14 +961,14 @@ { "SQL": "select t2.a, t2.b from t1 right join t2 on t1.a = t2.a where t1.a > 2 and t2.b > 200", "Plan": [ - "Projection_13 8000.00 root test.t2.a, test.t2.b", - "└─Selection_14 8000.00 root gt(test.t1.a, 2)", - " └─MergeJoin_17 10000.00 root right outer join, left key:test.t1.a, right key:test.t2.a", - " ├─TableReader_23(Build) 10000.00 root data:TableFullScan_24", - " │ └─TableFullScan_24 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo", - " └─TableReader_26(Probe) 8000.00 root data:Selection_27", - " └─Selection_27 8000.00 cop[tikv] gt(test.t2.b, 200)", - " └─TableFullScan_28 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo" + "Projection_16 8000.00 root test.t2.a, test.t2.b", + "└─Selection_17 8000.00 root gt(test.t1.a, 2)", + " └─MergeJoin_20 10000.00 root right outer join, left key:test.t1.a, right key:test.t2.a", + " ├─TableReader_26(Build) 10000.00 root data:TableFullScan_27", + " │ └─TableFullScan_27 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo", + " └─TableReader_29(Probe) 8000.00 root data:Selection_30", + " └─Selection_30 8000.00 cop[tikv] gt(test.t2.b, 200)", + " └─TableFullScan_31 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo" ], "Result": [ "3 333" @@ -977,12 +977,12 @@ { "SQL": "select t1.a, t1.b from t1, t2 where t1.a = t2.a order by t1.a", "Plan": [ - "Projection_12 12500.00 root test.t1.a, test.t1.b", - "└─MergeJoin_13 12500.00 root inner join, left key:test.t1.a, right key:test.t2.a", - " ├─TableReader_19(Build) 10000.00 root data:TableFullScan_20", - " │ └─TableFullScan_20 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo", - " └─TableReader_14(Probe) 10000.00 root data:TableFullScan_15", - " └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo" + "Projection_14 12500.00 root test.t1.a, test.t1.b", + "└─MergeJoin_15 12500.00 root inner join, left key:test.t1.a, right key:test.t2.a", + " ├─TableReader_21(Build) 10000.00 root data:TableFullScan_22", + " │ └─TableFullScan_22 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo", + " └─TableReader_16(Probe) 10000.00 root data:TableFullScan_17", + " └─TableFullScan_17 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo" ], "Result": [ "1 11", @@ -993,17 +993,30 @@ { "SQL": "select * from t1 join t2 on t1.a = t2.a", "Plan": [ - "MergeJoin_11 12500.00 root inner join, left key:test.t1.a, right key:test.t2.a", - "├─TableReader_19(Build) 10000.00 root data:TableFullScan_20", - "│ └─TableFullScan_20 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo", - "└─TableReader_16(Probe) 10000.00 root data:TableFullScan_17", - " └─TableFullScan_17 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo" + "MergeJoin_13 12500.00 root inner join, left key:test.t1.a, right key:test.t2.a", + "├─TableReader_21(Build) 10000.00 root data:TableFullScan_22", + "│ └─TableFullScan_22 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo", + "└─TableReader_18(Probe) 10000.00 root data:TableFullScan_19", + " └─TableFullScan_19 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo" ], "Result": [ "1 11 1 111", "2 22 2 222", "3 33 3 333" ] + }, + { + "SQL": "select * from t1 join t2 on t1.a = t2.a and t1.a > 2", + "Plan": [ + "MergeJoin_19 4166.67 root inner join, left key:test.t1.a, right key:test.t2.a", + "├─TableReader_27(Build) 3333.33 root data:TableRangeScan_28", + "│ └─TableRangeScan_28 3333.33 cop[tikv] table:t2 range:(2,+inf], keep order:true, stats:pseudo", + "└─TableReader_24(Probe) 3333.33 root data:TableRangeScan_25", + " └─TableRangeScan_25 3333.33 cop[tikv] table:t1 range:(2,+inf], keep order:true, stats:pseudo" + ], + "Result": [ + "3 33 3 333" + ] } ] }, @@ -1062,11 +1075,11 @@ { "SQL": "select a from t1 where exists(select 1 from t2 where t1.a = t2.a)", "Plan": [ - "MergeJoin_27 10000.00 root semi join, left key:test.t1.a, right key:test.t2.a", - "├─TableReader_32(Build) 10000.00 root data:TableFullScan_33", - "│ └─TableFullScan_33 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo", - "└─TableReader_29(Probe) 10000.00 root data:TableFullScan_30", - " └─TableFullScan_30 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo" + "MergeJoin_30 10000.00 root semi join, left key:test.t1.a, right key:test.t2.a", + "├─TableReader_35(Build) 10000.00 root data:TableFullScan_36", + "│ └─TableFullScan_36 10000.00 cop[tikv] table:t2 keep order:true, stats:pseudo", + "└─TableReader_32(Probe) 10000.00 root data:TableFullScan_33", + " └─TableFullScan_33 10000.00 cop[tikv] table:t1 keep order:true, stats:pseudo" ], "Result": [ "1", @@ -1205,14 +1218,14 @@ { "SQL": "select /*+ HASH_JOIN(t1) */ t1.b, t2.b from t1, t2 where t1.a = t2.a;", "Plan": [ - "Projection_14 10000.00 root test.t1.b, test.t2.b", - "└─HashJoin_15 10000.00 root inner join, equal:[eq(test.t1.a, test.t2.a)]", - " ├─TableReader_17(Build) 8000.00 root data:Selection_18", - " │ └─Selection_18 8000.00 cop[tikv] not(isnull(test.t1.a))", - " │ └─TableFullScan_19 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", - " └─TableReader_20(Probe) 8000.00 root data:Selection_21", - " └─Selection_21 8000.00 cop[tikv] not(isnull(test.t2.a))", - " └─TableFullScan_22 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + "Projection_20 10000.00 root test.t1.b, test.t2.b", + "└─HashJoin_21 10000.00 root inner join, equal:[eq(test.t1.a, test.t2.a)]", + " ├─TableReader_23(Build) 8000.00 root data:Selection_24", + " │ └─Selection_24 8000.00 cop[tikv] not(isnull(test.t1.a)), not(isnull(test.t1.a))", + " │ └─TableFullScan_25 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + " └─TableReader_26(Probe) 8000.00 root data:Selection_27", + " └─Selection_27 8000.00 cop[tikv] not(isnull(test.t2.a)), not(isnull(test.t2.a))", + " └─TableFullScan_28 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" ], "Result": [ "1 1" @@ -1221,11 +1234,13 @@ { "SQL": "select /*+ HASH_JOIN(t1) */ t1.b, t2.b from t1 inner join t2 on t1.a = t2.a;", "Plan": [ - "HashJoin_9 12500.00 root inner join, equal:[eq(test.t1.a, test.t2.a)]", - "├─TableReader_11(Build) 10000.00 root data:TableFullScan_12", - "│ └─TableFullScan_12 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", - "└─TableReader_13(Probe) 10000.00 root data:TableFullScan_14", - " └─TableFullScan_14 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + "HashJoin_19 10000.00 root inner join, equal:[eq(test.t1.a, test.t2.a)]", + "├─TableReader_21(Build) 8000.00 root data:Selection_22", + "│ └─Selection_22 8000.00 cop[tikv] not(isnull(test.t1.a)), not(isnull(test.t1.a))", + "│ └─TableFullScan_23 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─TableReader_24(Probe) 8000.00 root data:Selection_25", + " └─Selection_25 8000.00 cop[tikv] not(isnull(test.t2.a)), not(isnull(test.t2.a))", + " └─TableFullScan_26 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" ], "Result": [ "1 1" @@ -1234,11 +1249,12 @@ { "SQL": "select /*+ HASH_JOIN(t1) */ t1.b, t2.b from t1 left outer join t2 on t1.a = t2.a;", "Plan": [ - "HashJoin_10 12500.00 root left outer join, equal:[eq(test.t1.a, test.t2.a)]", - "├─TableReader_13(Build) 10000.00 root data:TableFullScan_14", - "│ └─TableFullScan_14 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", - "└─TableReader_11(Probe) 10000.00 root data:TableFullScan_12", - " └─TableFullScan_12 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + "HashJoin_16 10000.00 root left outer join, equal:[eq(test.t1.a, test.t2.a)]", + "├─TableReader_19(Build) 8000.00 root data:Selection_20", + "│ └─Selection_20 8000.00 cop[tikv] not(isnull(test.t2.a)), not(isnull(test.t2.a))", + "│ └─TableFullScan_21 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + "└─TableReader_17(Probe) 10000.00 root data:TableFullScan_18", + " └─TableFullScan_18 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" ], "Result": [ "1 1", @@ -1248,11 +1264,12 @@ { "SQL": "select /*+ HASH_JOIN(t1) */ t1.b, t2.b from t1 right outer join t2 on t1.a = t2.a;", "Plan": [ - "HashJoin_9 12500.00 root right outer join, equal:[eq(test.t1.a, test.t2.a)]", - "├─TableReader_11(Build) 10000.00 root data:TableFullScan_12", - "│ └─TableFullScan_12 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", - "└─TableReader_13(Probe) 10000.00 root data:TableFullScan_14", - " └─TableFullScan_14 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + "HashJoin_15 10000.00 root right outer join, equal:[eq(test.t1.a, test.t2.a)]", + "├─TableReader_17(Build) 8000.00 root data:Selection_18", + "│ └─Selection_18 8000.00 cop[tikv] not(isnull(test.t1.a)), not(isnull(test.t1.a))", + "│ └─TableFullScan_19 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─TableReader_20(Probe) 10000.00 root data:TableFullScan_21", + " └─TableFullScan_21 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" ], "Result": [ "1 1", @@ -1262,12 +1279,12 @@ { "SQL": "select 1 from (select /*+ HASH_JOIN(t1) */ t1.a in (select t2.a from t2) from t1) x;", "Plan": [ - "Projection_17 10000.00 root 1->Column#8", - "└─HashJoin_18 10000.00 root CARTESIAN left outer semi join, other cond:eq(test.t1.a, test.t2.a)", - " ├─IndexReader_25(Build) 10000.00 root index:IndexFullScan_26", - " │ └─IndexFullScan_26 10000.00 cop[tikv] table:t2, index:idx_a(a) keep order:false, stats:pseudo", - " └─IndexReader_21(Probe) 10000.00 root index:IndexFullScan_22", - " └─IndexFullScan_22 10000.00 cop[tikv] table:t1, index:idx_a(a) keep order:false, stats:pseudo" + "Projection_18 10000.00 root 1->Column#8", + "└─HashJoin_19 10000.00 root CARTESIAN left outer semi join, other cond:eq(test.t1.a, test.t2.a)", + " ├─IndexReader_26(Build) 10000.00 root index:IndexFullScan_27", + " │ └─IndexFullScan_27 10000.00 cop[tikv] table:t2, index:idx_a(a) keep order:false, stats:pseudo", + " └─IndexReader_22(Probe) 10000.00 root index:IndexFullScan_23", + " └─IndexFullScan_23 10000.00 cop[tikv] table:t1, index:idx_a(a) keep order:false, stats:pseudo" ], "Result": [ "1", @@ -1277,12 +1294,12 @@ { "SQL": "select 1 from (select /*+ HASH_JOIN(t1) */ t1.a not in (select t2.a from t2) from t1) x;", "Plan": [ - "Projection_17 10000.00 root 1->Column#8", - "└─HashJoin_18 10000.00 root CARTESIAN anti left outer semi join, other cond:eq(test.t1.a, test.t2.a)", - " ├─IndexReader_25(Build) 10000.00 root index:IndexFullScan_26", - " │ └─IndexFullScan_26 10000.00 cop[tikv] table:t2, index:idx_a(a) keep order:false, stats:pseudo", - " └─IndexReader_21(Probe) 10000.00 root index:IndexFullScan_22", - " └─IndexFullScan_22 10000.00 cop[tikv] table:t1, index:idx_a(a) keep order:false, stats:pseudo" + "Projection_18 10000.00 root 1->Column#8", + "└─HashJoin_19 10000.00 root CARTESIAN anti left outer semi join, other cond:eq(test.t1.a, test.t2.a)", + " ├─IndexReader_26(Build) 10000.00 root index:IndexFullScan_27", + " │ └─IndexFullScan_27 10000.00 cop[tikv] table:t2, index:idx_a(a) keep order:false, stats:pseudo", + " └─IndexReader_22(Probe) 10000.00 root index:IndexFullScan_23", + " └─IndexFullScan_23 10000.00 cop[tikv] table:t1, index:idx_a(a) keep order:false, stats:pseudo" ], "Result": [ "1", @@ -1292,11 +1309,13 @@ { "SQL": "select /*+ INL_JOIN(t1) */ t1.b, t2.b from t1 inner join t2 on t1.a = t2.a;", "Plan": [ - "HashJoin_9 12500.00 root inner join, equal:[eq(test.t1.a, test.t2.a)]", - "├─TableReader_11(Build) 10000.00 root data:TableFullScan_12", - "│ └─TableFullScan_12 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", - "└─TableReader_13(Probe) 10000.00 root data:TableFullScan_14", - " └─TableFullScan_14 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + "HashJoin_19 10000.00 root inner join, equal:[eq(test.t1.a, test.t2.a)]", + "├─TableReader_21(Build) 8000.00 root data:Selection_22", + "│ └─Selection_22 8000.00 cop[tikv] not(isnull(test.t1.a)), not(isnull(test.t1.a))", + "│ └─TableFullScan_23 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─TableReader_24(Probe) 8000.00 root data:Selection_25", + " └─Selection_25 8000.00 cop[tikv] not(isnull(test.t2.a)), not(isnull(test.t2.a))", + " └─TableFullScan_26 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" ], "Result": [ "1 1" @@ -1305,11 +1324,13 @@ { "SQL": "select /*+ INL_HASH_JOIN(t1) */ t1.b, t2.b from t1 inner join t2 on t1.a = t2.a;", "Plan": [ - "HashJoin_9 12500.00 root inner join, equal:[eq(test.t1.a, test.t2.a)]", - "├─TableReader_11(Build) 10000.00 root data:TableFullScan_12", - "│ └─TableFullScan_12 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", - "└─TableReader_13(Probe) 10000.00 root data:TableFullScan_14", - " └─TableFullScan_14 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + "HashJoin_19 10000.00 root inner join, equal:[eq(test.t1.a, test.t2.a)]", + "├─TableReader_21(Build) 8000.00 root data:Selection_22", + "│ └─Selection_22 8000.00 cop[tikv] not(isnull(test.t1.a)), not(isnull(test.t1.a))", + "│ └─TableFullScan_23 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─TableReader_24(Probe) 8000.00 root data:Selection_25", + " └─Selection_25 8000.00 cop[tikv] not(isnull(test.t2.a)), not(isnull(test.t2.a))", + " └─TableFullScan_26 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" ], "Result": [ "1 1" @@ -1318,11 +1339,13 @@ { "SQL": "select /*+ INL_MERGE_JOIN(t1) */ t1.b, t2.b from t1 inner join t2 on t1.a = t2.a;", "Plan": [ - "HashJoin_9 12500.00 root inner join, equal:[eq(test.t1.a, test.t2.a)]", - "├─TableReader_11(Build) 10000.00 root data:TableFullScan_12", - "│ └─TableFullScan_12 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", - "└─TableReader_13(Probe) 10000.00 root data:TableFullScan_14", - " └─TableFullScan_14 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + "HashJoin_19 10000.00 root inner join, equal:[eq(test.t1.a, test.t2.a)]", + "├─TableReader_21(Build) 8000.00 root data:Selection_22", + "│ └─Selection_22 8000.00 cop[tikv] not(isnull(test.t1.a)), not(isnull(test.t1.a))", + "│ └─TableFullScan_23 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─TableReader_24(Probe) 8000.00 root data:Selection_25", + " └─Selection_25 8000.00 cop[tikv] not(isnull(test.t2.a)), not(isnull(test.t2.a))", + " └─TableFullScan_26 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" ], "Result": [ "1 1" @@ -1331,11 +1354,13 @@ { "SQL": "select /*+ MERGE_JOIN(t1, t2) */ t1.b, t2.b from t1 inner join t2 on t1.a = t2.a;", "Plan": [ - "HashJoin_9 12500.00 root inner join, equal:[eq(test.t1.a, test.t2.a)]", - "├─TableReader_12(Build) 10000.00 root data:TableFullScan_13", - "│ └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", - "└─TableReader_14(Probe) 10000.00 root data:TableFullScan_15", - " └─TableFullScan_15 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + "HashJoin_19 10000.00 root inner join, equal:[eq(test.t1.a, test.t2.a)]", + "├─TableReader_22(Build) 8000.00 root data:Selection_23", + "│ └─Selection_23 8000.00 cop[tikv] not(isnull(test.t1.a)), not(isnull(test.t1.a))", + "│ └─TableFullScan_24 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─TableReader_25(Probe) 8000.00 root data:Selection_26", + " └─Selection_26 8000.00 cop[tikv] not(isnull(test.t2.a)), not(isnull(test.t2.a))", + " └─TableFullScan_27 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" ], "Result": [ "1 1" diff --git a/planner/cascades/testdata/transformation_rules_suite_in.json b/planner/cascades/testdata/transformation_rules_suite_in.json index 5a9351e3501bc..708ab631b8109 100644 --- a/planner/cascades/testdata/transformation_rules_suite_in.json +++ b/planner/cascades/testdata/transformation_rules_suite_in.json @@ -18,7 +18,8 @@ "select t1.a, t1.b from t t1, t t2 where t1.a = t2.a and t1.a = 10 and t2.a = 5", "select a, b from ((select a, b from t) union all(select c as a, d as b from t)) as t1 where a > 1", "select a, b from (select a, b, min(a) over(partition by b) as min_a from t)as tt where a < 10 and b > 10 and b = min_a", - "select b, c from (select b, c from t where b > 1 and c > 1) as t1 where b > 2 and c > 2" + "select b, c from (select b, c from t where b > 1 and c > 1) as t1 where b > 2 and c > 2", + "select * from t t1 join t t2 on t1.a = t2.a and t1.a > 2" ] }, { diff --git a/planner/cascades/testdata/transformation_rules_suite_out.json b/planner/cascades/testdata/transformation_rules_suite_out.json index 7f4d933048652..5821fae6ad4dd 100644 --- a/planner/cascades/testdata/transformation_rules_suite_out.json +++ b/planner/cascades/testdata/transformation_rules_suite_out.json @@ -132,19 +132,19 @@ "Group#0 Schema:[test.t.a,test.t.b,test.t.b]", " Projection_5 input:[Group#1], test.t.a, test.t.b, test.t.b", "Group#1 Schema:[test.t.a,test.t.b,test.t.a,test.t.b]", - " Join_3 input:[Group#2,Group#3], inner join, equal:[eq(test.t.a, test.t.a) eq(test.t.b, test.t.b)], other cond:gt(test.t.a, test.t.b)", + " Join_9 input:[Group#2,Group#3], inner join, equal:[eq(test.t.a, test.t.a) eq(test.t.b, test.t.b)], other cond:gt(test.t.a, test.t.b)", "Group#2 Schema:[test.t.a,test.t.b]", - " TiKVSingleGather_9 input:[Group#4], table:t1", + " TiKVSingleGather_15 input:[Group#4], table:t1", "Group#4 Schema:[test.t.a,test.t.b]", - " Selection_12 input:[Group#5], gt(test.t.a, test.t.b), gt(test.t.b, 10)", + " Selection_18 input:[Group#5], gt(test.t.a, test.t.b), gt(test.t.a, test.t.b), gt(test.t.b, 10)", "Group#5 Schema:[test.t.a,test.t.b]", - " TableScan_11 table:t1, pk col:test.t.a, cond:[gt(test.t.a, 10)]", + " TableScan_17 table:t1, pk col:test.t.a, cond:[gt(test.t.a, 10)]", "Group#3 Schema:[test.t.a,test.t.b]", - " TiKVSingleGather_14 input:[Group#6], table:t2", + " TiKVSingleGather_20 input:[Group#6], table:t2", "Group#6 Schema:[test.t.a,test.t.b]", - " Selection_17 input:[Group#7], gt(test.t.a, test.t.b), gt(test.t.b, 10)", + " Selection_23 input:[Group#7], gt(test.t.a, test.t.b), gt(test.t.a, test.t.b), gt(test.t.b, 10)", "Group#7 Schema:[test.t.a,test.t.b]", - " TableScan_16 table:t2, pk col:test.t.a, cond:[gt(test.t.a, 10)]" + " TableScan_22 table:t2, pk col:test.t.a, cond:[gt(test.t.a, 10)]" ] }, { @@ -153,7 +153,7 @@ "Group#0 Schema:[test.t.a,test.t.b]", " Projection_5 input:[Group#1], test.t.a, test.t.b", "Group#1 Schema:[test.t.a,test.t.b,test.t.a]", - " TableDual_6 rowcount:0" + " TableDual_7 rowcount:0" ] }, { @@ -217,7 +217,7 @@ "Group#0 Schema:[test.t.a,test.t.b]", " Projection_5 input:[Group#1], test.t.a, test.t.b", "Group#1 Schema:[test.t.a,test.t.b,test.t.a]", - " TableDual_6 rowcount:0" + " TableDual_7 rowcount:0" ] }, { @@ -287,6 +287,23 @@ "Group#4 Schema:[test.t.b,test.t.c]", " TableScan_8 table:t" ] + }, + { + "SQL": "select * from t t1 join t t2 on t1.a = t2.a and t1.a > 2", + "Result": [ + "Group#0 Schema:[test.t.a,test.t.b,test.t.c,test.t.d,test.t.e,test.t.c_str,test.t.d_str,test.t.e_str,test.t.f,test.t.g,test.t.h,test.t.i_date,test.t.a,test.t.b,test.t.c,test.t.d,test.t.e,test.t.c_str,test.t.d_str,test.t.e_str,test.t.f,test.t.g,test.t.h,test.t.i_date]", + " Projection_4 input:[Group#1], test.t.a, test.t.b, test.t.c, test.t.d, test.t.e, test.t.c_str, test.t.d_str, test.t.e_str, test.t.f, test.t.g, test.t.h, test.t.i_date, test.t.a, test.t.b, test.t.c, test.t.d, test.t.e, test.t.c_str, test.t.d_str, test.t.e_str, test.t.f, test.t.g, test.t.h, test.t.i_date", + "Group#1 Schema:[test.t.a,test.t.b,test.t.c,test.t.d,test.t.e,test.t.c_str,test.t.d_str,test.t.e_str,test.t.f,test.t.g,test.t.h,test.t.i_date,test.t.a,test.t.b,test.t.c,test.t.d,test.t.e,test.t.c_str,test.t.d_str,test.t.e_str,test.t.f,test.t.g,test.t.h,test.t.i_date]", + " Join_5 input:[Group#2,Group#3], inner join, equal:[eq(test.t.a, test.t.a)]", + "Group#2 Schema:[test.t.a,test.t.b,test.t.c,test.t.d,test.t.e,test.t.c_str,test.t.d_str,test.t.e_str,test.t.f,test.t.g,test.t.h,test.t.i_date]", + " TiKVSingleGather_9 input:[Group#4], table:t1", + "Group#4 Schema:[test.t.a,test.t.b,test.t.c,test.t.d,test.t.e,test.t.c_str,test.t.d_str,test.t.e_str,test.t.f,test.t.g,test.t.h,test.t.i_date]", + " TableScan_11 table:t1, pk col:test.t.a, cond:[gt(test.t.a, 2)]", + "Group#3 Schema:[test.t.a,test.t.b,test.t.c,test.t.d,test.t.e,test.t.c_str,test.t.d_str,test.t.e_str,test.t.f,test.t.g,test.t.h,test.t.i_date]", + " TiKVSingleGather_13 input:[Group#5], table:t2", + "Group#5 Schema:[test.t.a,test.t.b,test.t.c,test.t.d,test.t.e,test.t.c_str,test.t.d_str,test.t.e_str,test.t.f,test.t.g,test.t.h,test.t.i_date]", + " TableScan_15 table:t2, pk col:test.t.a, cond:[gt(test.t.a, 2)]" + ] } ] }, diff --git a/planner/cascades/transformation_rules.go b/planner/cascades/transformation_rules.go index febea4689bc42..357e3dc3a92f2 100644 --- a/planner/cascades/transformation_rules.go +++ b/planner/cascades/transformation_rules.go @@ -103,6 +103,9 @@ var TiDBLayerOptimizationBatch = TransformationRuleBatch{ NewRuleTransformApplyToJoin(), NewRulePullSelectionUpApply(), }, + memo.OperandJoin: { + NewRuleTransformJoinCondToSel(), + }, } // TiKVLayerOptimizationBatch does the optimization related to TiKV layer. @@ -835,72 +838,40 @@ func (r *PushLimitDownUnionAll) OnTransform(old *memo.ExprIter) (newExprs []*mem return []*memo.GroupExpr{newLimitExpr}, true, false, nil } -// PushSelDownJoin pushes Selection through Join. -type PushSelDownJoin struct { - baseRule +type pushDownJoin struct { } -// NewRulePushSelDownJoin creates a new Transformation PushSelDownJoin. -// The pattern of this rule is `Selection -> Join`. -func NewRulePushSelDownJoin() Transformation { - rule := &PushSelDownJoin{} - rule.pattern = memo.BuildPattern( - memo.OperandSelection, - memo.EngineTiDBOnly, - memo.NewPattern(memo.OperandJoin, memo.EngineTiDBOnly), - ) - return rule -} - -// Match implements Transformation interface. -func (r *PushSelDownJoin) Match(expr *memo.ExprIter) bool { - return !expr.GetExpr().HasAppliedRule(r) -} - -// buildChildSelectionGroup builds a new childGroup if the pushed down condition is not empty. -func buildChildSelectionGroup( - oldSel *plannercore.LogicalSelection, - conditions []expression.Expression, - childGroup *memo.Group) *memo.Group { - if len(conditions) == 0 { - return childGroup - } - newSel := plannercore.LogicalSelection{Conditions: conditions}.Init(oldSel.SCtx(), oldSel.SelectBlockOffset()) - groupExpr := memo.NewGroupExpr(newSel) - groupExpr.SetChildren(childGroup) - newChild := memo.NewGroupWithSchema(groupExpr, childGroup.Prop.Schema) - return newChild -} - -// OnTransform implements Transformation interface. -// This rule tries to pushes the Selection through Join. Besides, this rule fulfills the `XXXConditions` field of Join. -func (r *PushSelDownJoin) OnTransform(old *memo.ExprIter) (newExprs []*memo.GroupExpr, eraseOld bool, eraseAll bool, err error) { - sel := old.GetExpr().ExprNode.(*plannercore.LogicalSelection) - joinExpr := old.Children[0].GetExpr() - // TODO: we need to create a new LogicalJoin here. - join := joinExpr.ExprNode.(*plannercore.LogicalJoin) - sctx := sel.SCtx() - leftGroup := old.Children[0].GetExpr().Children[0] - rightGroup := old.Children[0].GetExpr().Children[1] +func (r *pushDownJoin) predicatePushDown( + sctx sessionctx.Context, + predicates []expression.Expression, + join *plannercore.LogicalJoin, + leftSchema *expression.Schema, + rightSchema *expression.Schema, +) ( + leftCond []expression.Expression, + rightCond []expression.Expression, + remainCond []expression.Expression, + dual plannercore.LogicalPlan, +) { var equalCond []*expression.ScalarFunction - var leftPushCond, rightPushCond, otherCond, leftCond, rightCond, remainCond []expression.Expression + var leftPushCond, rightPushCond, otherCond []expression.Expression switch join.JoinType { case plannercore.SemiJoin, plannercore.InnerJoin: tempCond := make([]expression.Expression, 0, - len(join.LeftConditions)+len(join.RightConditions)+len(join.EqualConditions)+len(join.OtherConditions)+len(sel.Conditions)) + len(join.LeftConditions)+len(join.RightConditions)+len(join.EqualConditions)+len(join.OtherConditions)+len(predicates)) tempCond = append(tempCond, join.LeftConditions...) tempCond = append(tempCond, join.RightConditions...) tempCond = append(tempCond, expression.ScalarFuncs2Exprs(join.EqualConditions)...) tempCond = append(tempCond, join.OtherConditions...) - tempCond = append(tempCond, sel.Conditions...) + tempCond = append(tempCond, predicates...) tempCond = expression.ExtractFiltersFromDNFs(sctx, tempCond) tempCond = expression.PropagateConstant(sctx, tempCond) // Return table dual when filter is constant false or null. dual := plannercore.Conds2TableDual(join, tempCond) if dual != nil { - return []*memo.GroupExpr{memo.NewGroupExpr(dual)}, false, true, nil + return leftCond, rightCond, remainCond, dual } - equalCond, leftPushCond, rightPushCond, otherCond = join.ExtractOnCondition(tempCond, leftGroup.Prop.Schema, rightGroup.Prop.Schema, true, true) + equalCond, leftPushCond, rightPushCond, otherCond = join.ExtractOnCondition(tempCond, leftSchema, rightSchema, true, true) join.LeftConditions = nil join.RightConditions = nil join.EqualConditions = equalCond @@ -921,28 +892,28 @@ func (r *PushSelDownJoin) OnTransform(old *memo.ExprIter) (newExprs []*memo.Grou join.LeftConditions = nil join.RightConditions = nil join.OtherConditions = nil - remainCond = make([]expression.Expression, len(sel.Conditions)) - copy(remainCond, sel.Conditions) + remainCond = make([]expression.Expression, len(predicates)) + copy(remainCond, predicates) nullSensitive := join.JoinType == plannercore.AntiLeftOuterSemiJoin || join.JoinType == plannercore.LeftOuterSemiJoin if join.JoinType == plannercore.RightOuterJoin { - joinConds, remainCond = expression.PropConstOverOuterJoin(join.SCtx(), joinConds, remainCond, rightGroup.Prop.Schema, leftGroup.Prop.Schema, nullSensitive) + joinConds, remainCond = expression.PropConstOverOuterJoin(join.SCtx(), joinConds, remainCond, rightSchema, leftSchema, nullSensitive) } else { - joinConds, remainCond = expression.PropConstOverOuterJoin(join.SCtx(), joinConds, remainCond, leftGroup.Prop.Schema, rightGroup.Prop.Schema, nullSensitive) + joinConds, remainCond = expression.PropConstOverOuterJoin(join.SCtx(), joinConds, remainCond, leftSchema, rightSchema, nullSensitive) } - eq, left, right, other := join.ExtractOnCondition(joinConds, leftGroup.Prop.Schema, rightGroup.Prop.Schema, false, false) + eq, left, right, other := join.ExtractOnCondition(joinConds, leftSchema, rightSchema, false, false) join.AppendJoinConds(eq, left, right, other) // Return table dual when filter is constant false or null. dual := plannercore.Conds2TableDual(join, remainCond) if dual != nil { - return []*memo.GroupExpr{memo.NewGroupExpr(dual)}, false, true, nil + return leftCond, rightCond, remainCond, dual } if join.JoinType == plannercore.RightOuterJoin { remainCond = expression.ExtractFiltersFromDNFs(join.SCtx(), remainCond) // Only derive right where condition, because left where condition cannot be pushed down - equalCond, leftPushCond, rightPushCond, otherCond = join.ExtractOnCondition(remainCond, leftGroup.Prop.Schema, rightGroup.Prop.Schema, false, true) + equalCond, leftPushCond, rightPushCond, otherCond = join.ExtractOnCondition(remainCond, leftSchema, rightSchema, false, true) rightCond = rightPushCond // Handle join conditions, only derive left join condition, because right join condition cannot be pushed down - derivedLeftJoinCond, _ := plannercore.DeriveOtherConditions(join, true, false) + derivedLeftJoinCond, _ := plannercore.DeriveOtherConditions(join, leftSchema, rightSchema, true, false) leftCond = append(join.LeftConditions, derivedLeftJoinCond...) join.LeftConditions = nil remainCond = append(expression.ScalarFuncs2Exprs(equalCond), otherCond...) @@ -950,10 +921,10 @@ func (r *PushSelDownJoin) OnTransform(old *memo.ExprIter) (newExprs []*memo.Grou } else { remainCond = expression.ExtractFiltersFromDNFs(join.SCtx(), remainCond) // Only derive left where condition, because right where condition cannot be pushed down - equalCond, leftPushCond, rightPushCond, otherCond = join.ExtractOnCondition(remainCond, leftGroup.Prop.Schema, rightGroup.Prop.Schema, true, false) + equalCond, leftPushCond, rightPushCond, otherCond = join.ExtractOnCondition(remainCond, leftSchema, rightSchema, true, false) leftCond = leftPushCond - // Handle join conditions, only derive left join condition, because right join condition cannot be pushed down - _, derivedRightJoinCond := plannercore.DeriveOtherConditions(join, false, true) + // Handle join conditions, only derive right join condition, because left join condition cannot be pushed down + _, derivedRightJoinCond := plannercore.DeriveOtherConditions(join, leftSchema, rightSchema, false, true) rightCond = append(join.RightConditions, derivedRightJoinCond...) join.RightConditions = nil remainCond = append(expression.ScalarFuncs2Exprs(equalCond), otherCond...) @@ -964,10 +935,68 @@ func (r *PushSelDownJoin) OnTransform(old *memo.ExprIter) (newExprs []*memo.Grou } leftCond = expression.RemoveDupExprs(sctx, leftCond) rightCond = expression.RemoveDupExprs(sctx, rightCond) + + return +} + +// PushSelDownJoin pushes Selection through Join. +type PushSelDownJoin struct { + baseRule + pushDownJoin +} + +// NewRulePushSelDownJoin creates a new Transformation PushSelDownJoin. +// The pattern of this rule is `Selection -> Join`. +func NewRulePushSelDownJoin() Transformation { + rule := &PushSelDownJoin{} + rule.pattern = memo.BuildPattern( + memo.OperandSelection, + memo.EngineTiDBOnly, + memo.NewPattern(memo.OperandJoin, memo.EngineTiDBOnly), + ) + return rule +} + +// Match implements Transformation interface. +func (r *PushSelDownJoin) Match(expr *memo.ExprIter) bool { + return !expr.GetExpr().HasAppliedRule(r) +} + +// buildChildSelectionGroup builds a new childGroup if the pushed down condition is not empty. +func buildChildSelectionGroup( + sctx sessionctx.Context, + blockOffset int, + conditions []expression.Expression, + childGroup *memo.Group) *memo.Group { + if len(conditions) == 0 { + return childGroup + } + newSel := plannercore.LogicalSelection{Conditions: conditions}.Init(sctx, blockOffset) + groupExpr := memo.NewGroupExpr(newSel) + groupExpr.SetChildren(childGroup) + newChild := memo.NewGroupWithSchema(groupExpr, childGroup.Prop.Schema) + return newChild +} + +// OnTransform implements Transformation interface. +// This rule tries to pushes the Selection through Join. Besides, this rule fulfills the `XXXConditions` field of Join. +func (r *PushSelDownJoin) OnTransform(old *memo.ExprIter) (newExprs []*memo.GroupExpr, eraseOld bool, eraseAll bool, err error) { + sel := old.GetExpr().ExprNode.(*plannercore.LogicalSelection) + joinExpr := old.Children[0].GetExpr() + join := joinExpr.ExprNode.(*plannercore.LogicalJoin) + newJoin := join.Shallow() + sctx := sel.SCtx() + leftGroup := old.Children[0].GetExpr().Children[0] + rightGroup := old.Children[0].GetExpr().Children[1] + leftCond, rightCond, remainCond, dual := r.predicatePushDown(sctx, sel.Conditions, newJoin, leftGroup.Prop.Schema, rightGroup.Prop.Schema) + if dual != nil { + return []*memo.GroupExpr{memo.NewGroupExpr(dual)}, true, true, nil + } + // TODO: Update EqualConditions like what we have done in the method join.updateEQCond() before. - leftGroup = buildChildSelectionGroup(sel, leftCond, leftGroup) - rightGroup = buildChildSelectionGroup(sel, rightCond, rightGroup) - newJoinExpr := memo.NewGroupExpr(join) + leftGroup = buildChildSelectionGroup(sctx, sel.SelectBlockOffset(), leftCond, leftGroup) + rightGroup = buildChildSelectionGroup(sctx, sel.SelectBlockOffset(), rightCond, rightGroup) + newJoinExpr := memo.NewGroupExpr(newJoin) newJoinExpr.SetChildren(leftGroup, rightGroup) if len(remainCond) > 0 { newSel := plannercore.LogicalSelection{Conditions: remainCond}.Init(sctx, sel.SelectBlockOffset()) @@ -980,6 +1009,51 @@ func (r *PushSelDownJoin) OnTransform(old *memo.ExprIter) (newExprs []*memo.Grou return []*memo.GroupExpr{newJoinExpr}, true, false, nil } +// TransformJoinCondToSel convert Join(len(cond) > 0) to Join-->(Sel, Sel). +type TransformJoinCondToSel struct { + baseRule + pushDownJoin +} + +// NewRuleTransformJoinCondToSel creates a new Transformation TransformJoinCondToSel. +// The pattern of this rule is: `Join`. +func NewRuleTransformJoinCondToSel() Transformation { + rule := &TransformJoinCondToSel{} + rule.pattern = memo.NewPattern(memo.OperandJoin, memo.EngineTiDBOnly) + return rule +} + +// Match implements Transformation interface. +func (r *TransformJoinCondToSel) Match(expr *memo.ExprIter) bool { + if expr.GetExpr().HasAppliedRule(r) { + return false + } + join := expr.GetExpr().ExprNode.(*plannercore.LogicalJoin) + return len(join.EqualConditions) > 0 || len(join.LeftConditions) > 0 || + len(join.RightConditions) > 0 || len(join.OtherConditions) > 0 +} + +// OnTransform implements Transformation interface. +// This rule tries to transform Join conditions to Selection. Besides, this rule fulfills the `XXXConditions` field of Join. +func (r *TransformJoinCondToSel) OnTransform(old *memo.ExprIter) (newExprs []*memo.GroupExpr, eraseOld bool, eraseAll bool, err error) { + join := old.GetExpr().ExprNode.(*plannercore.LogicalJoin) + newJoin := join.Shallow() + sctx := join.SCtx() + leftGroup := old.GetExpr().Children[0] + rightGroup := old.GetExpr().Children[1] + leftCond, rightCond, _, dual := r.predicatePushDown(sctx, []expression.Expression{}, newJoin, leftGroup.Prop.Schema, rightGroup.Prop.Schema) + if dual != nil { + return []*memo.GroupExpr{memo.NewGroupExpr(dual)}, true, true, nil + } + // TODO: Update EqualConditions like what we have done in the method join.updateEQCond() before. + leftGroup = buildChildSelectionGroup(sctx, join.SelectBlockOffset(), leftCond, leftGroup) + rightGroup = buildChildSelectionGroup(sctx, join.SelectBlockOffset(), rightCond, rightGroup) + newJoinExpr := memo.NewGroupExpr(newJoin) + newJoinExpr.SetChildren(leftGroup, rightGroup) + newJoinExpr.AddAppliedRule(r) + return []*memo.GroupExpr{newJoinExpr}, true, false, nil +} + // PushSelDownUnionAll pushes selection through union all. type PushSelDownUnionAll struct { baseRule diff --git a/planner/cascades/transformation_rules_test.go b/planner/cascades/transformation_rules_test.go index feae5eca355d1..2f3d0240cbcee 100644 --- a/planner/cascades/transformation_rules_test.go +++ b/planner/cascades/transformation_rules_test.go @@ -127,6 +127,9 @@ func (s *testTransformationRuleSuite) TestPredicatePushDown(c *C) { NewRulePushSelDownWindow(), NewRuleMergeAdjacentSelection(), }, + memo.OperandJoin: { + NewRuleTransformJoinCondToSel(), + }, }, TransformationRuleBatch{ // TiKV layer memo.OperandSelection: { diff --git a/planner/core/rule_predicate_push_down.go b/planner/core/rule_predicate_push_down.go index d7d39391107e7..2b8862d8ae3a5 100644 --- a/planner/core/rule_predicate_push_down.go +++ b/planner/core/rule_predicate_push_down.go @@ -128,7 +128,8 @@ func (p *LogicalJoin) PredicatePushDown(predicates []expression.Expression) (ret equalCond, leftPushCond, rightPushCond, otherCond = p.extractOnCondition(predicates, true, false) leftCond = leftPushCond // Handle join conditions, only derive right join condition, because left join condition cannot be pushed down - _, derivedRightJoinCond := DeriveOtherConditions(p, false, true) + _, derivedRightJoinCond := DeriveOtherConditions( + p, p.children[0].Schema(), p.children[1].Schema(), false, true) rightCond = append(p.RightConditions, derivedRightJoinCond...) p.RightConditions = nil ret = append(expression.ScalarFuncs2Exprs(equalCond), otherCond...) @@ -145,7 +146,8 @@ func (p *LogicalJoin) PredicatePushDown(predicates []expression.Expression) (ret equalCond, leftPushCond, rightPushCond, otherCond = p.extractOnCondition(predicates, false, true) rightCond = rightPushCond // Handle join conditions, only derive left join condition, because right join condition cannot be pushed down - derivedLeftJoinCond, _ := DeriveOtherConditions(p, true, false) + derivedLeftJoinCond, _ := DeriveOtherConditions( + p, p.children[0].Schema(), p.children[1].Schema(), true, false) leftCond = append(p.LeftConditions, derivedLeftJoinCond...) p.LeftConditions = nil ret = append(expression.ScalarFuncs2Exprs(equalCond), otherCond...) @@ -444,23 +446,25 @@ func (p *LogicalMaxOneRow) PredicatePushDown(predicates []expression.Expression) // DeriveOtherConditions given a LogicalJoin, check the OtherConditions to see if we can derive more // conditions for left/right child pushdown. -func DeriveOtherConditions(p *LogicalJoin, deriveLeft bool, deriveRight bool) (leftCond []expression.Expression, - rightCond []expression.Expression) { - leftPlan, rightPlan := p.children[0], p.children[1] +func DeriveOtherConditions( + p *LogicalJoin, leftSchema *expression.Schema, rightSchema *expression.Schema, + deriveLeft bool, deriveRight bool) ( + leftCond []expression.Expression, rightCond []expression.Expression) { + isOuterSemi := (p.JoinType == LeftOuterSemiJoin) || (p.JoinType == AntiLeftOuterSemiJoin) for _, expr := range p.OtherConditions { if deriveLeft { - leftRelaxedCond := expression.DeriveRelaxedFiltersFromDNF(expr, leftPlan.Schema()) + leftRelaxedCond := expression.DeriveRelaxedFiltersFromDNF(expr, leftSchema) if leftRelaxedCond != nil { leftCond = append(leftCond, leftRelaxedCond) } - notNullExpr := deriveNotNullExpr(expr, leftPlan.Schema()) + notNullExpr := deriveNotNullExpr(expr, leftSchema) if notNullExpr != nil { leftCond = append(leftCond, notNullExpr) } } if deriveRight { - rightRelaxedCond := expression.DeriveRelaxedFiltersFromDNF(expr, rightPlan.Schema()) + rightRelaxedCond := expression.DeriveRelaxedFiltersFromDNF(expr, rightSchema) if rightRelaxedCond != nil { rightCond = append(rightCond, rightRelaxedCond) } @@ -474,7 +478,7 @@ func DeriveOtherConditions(p *LogicalJoin, deriveLeft bool, deriveRight bool) (l if isOuterSemi { continue } - notNullExpr := deriveNotNullExpr(expr, rightPlan.Schema()) + notNullExpr := deriveNotNullExpr(expr, rightSchema) if notNullExpr != nil { rightCond = append(rightCond, notNullExpr) } From 8435b282962263fed966ae17da662b384dbe2516 Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Tue, 15 Dec 2020 15:18:55 +0800 Subject: [PATCH 0478/1021] expression: fix compatibility behaviors in round() with MySQL (#21690) --- expression/builtin_math.go | 8 ++++++++ expression/integration_test.go | 11 +++++++++++ 2 files changed, 19 insertions(+) diff --git a/expression/builtin_math.go b/expression/builtin_math.go index 0fc139409c51e..fdfb5584b3c37 100644 --- a/expression/builtin_math.go +++ b/expression/builtin_math.go @@ -274,6 +274,14 @@ func (c *roundFunctionClass) getFunction(ctx sessionctx.Context, args []Expressi bf.tp.Flen = argFieldTp.Flen bf.tp.Decimal = calculateDecimal4RoundAndTruncate(ctx, args, argTp) + if bf.tp.Decimal != types.UnspecifiedLength { + if argFieldTp.Decimal != types.UnspecifiedLength { + decimalDelta := bf.tp.Decimal - argFieldTp.Decimal + bf.tp.Flen += mathutil.Max(decimalDelta, 0) + } else { + bf.tp.Flen = argFieldTp.Flen + bf.tp.Decimal + } + } var sig builtinFunc if len(args) > 1 { diff --git a/expression/integration_test.go b/expression/integration_test.go index 0d5753ba176a1..413113ce03e03 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -8307,3 +8307,14 @@ func (s *testIntegrationSuite2) TestCastCoer(c *C) { tk.MustQuery("select coercibility(cast('a' as char(10)))").Check(testkit.Rows("2")) tk.MustQuery("select coercibility(convert('abc', char(10)));").Check(testkit.Rows("2")) } + +func (s *testIntegrationSuite) TestIssue12209(c *C) { + tk := testkit.NewTestKit(c, s.store) + + tk.MustExec("use test") + tk.MustExec("drop table if exists t12209;") + tk.MustExec("create table t12209(a bigint(20));") + tk.MustExec("insert into t12209 values(1);") + tk.MustQuery("select `a` DIV ( ROUND( ( SCHEMA() ), '1978-05-18 03:35:52.043591' ) ) from `t12209`;").Check( + testkit.Rows("")) +} From 1c6b40582b79f68b3c13ccc8af7978d66c057e9e Mon Sep 17 00:00:00 2001 From: Han Fei Date: Tue, 15 Dec 2020 15:35:54 +0800 Subject: [PATCH 0479/1021] store/tikv: batch cop avoids to retry too many times. (#21499) --- store/tikv/batch_coprocessor.go | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/store/tikv/batch_coprocessor.go b/store/tikv/batch_coprocessor.go index c3dfe72ccd559..87b1ce5fe81d8 100644 --- a/store/tikv/batch_coprocessor.go +++ b/store/tikv/batch_coprocessor.go @@ -126,12 +126,10 @@ func buildBatchCopTasks(bo *Backoffer, cache *RegionCache, ranges *copRanges, st // of date and already be cleaned up. We should retry and generate new tasks. if rpcCtx == nil { needRetry = true - err = bo.Backoff(BoRegionMiss, errors.New("Cannot find region or TiFlash peer")) - logutil.BgLogger().Info("retry for TiFlash peer or region missing", zap.Uint64("region id", task.region.GetID())) - if err != nil { - return nil, errors.Trace(err) - } - break + logutil.BgLogger().Info("retry for TiFlash peer with region missing", zap.Uint64("region id", task.region.GetID())) + // Probably all the regions are invalid. Make the loop continue and mark all the regions invalid. + // Then `splitRegion` will reloads these regions. + continue } if batchCop, ok := storeTaskMap[rpcCtx.Addr]; ok { batchCop.copTasks = append(batchCop.copTasks, copTaskAndRPCContext{task: task, ctx: rpcCtx}) @@ -145,6 +143,11 @@ func buildBatchCopTasks(bo *Backoffer, cache *RegionCache, ranges *copRanges, st } } if needRetry { + // Backoff once for each retry. + err = bo.Backoff(BoRegionMiss, errors.New("Cannot find region with TiFlash peer")) + if err != nil { + return nil, errors.Trace(err) + } continue } for _, task := range storeTaskMap { From e01a1422377c466a68c33cc7f0b593653eb00d9e Mon Sep 17 00:00:00 2001 From: Chengpeng Yan <41809508+Reminiscent@users.noreply.github.com> Date: Tue, 15 Dec 2020 15:50:56 +0800 Subject: [PATCH 0480/1021] planner: fix the fail when we compare multi fields in the subquery (#21699) --- planner/core/expression_rewriter.go | 2 ++ planner/core/expression_rewriter_test.go | 34 ++++++++++++++++++++++++ 2 files changed, 36 insertions(+) diff --git a/planner/core/expression_rewriter.go b/planner/core/expression_rewriter.go index 8f17360b3677d..da112128b40ed 100644 --- a/planner/core/expression_rewriter.go +++ b/planner/core/expression_rewriter.go @@ -530,6 +530,7 @@ func (er *expressionRewriter) handleCompareSubquery(ctx context.Context, v *ast. er.handleEQAll(lexpr, rexpr, np) } else { // `a = any(subq)` will be rewriten as `a in (subq)`. + er.asScalar = true er.buildSemiApplyFromEqualSubq(np, lexpr, rexpr, false) if er.err != nil { return v, true @@ -538,6 +539,7 @@ func (er *expressionRewriter) handleCompareSubquery(ctx context.Context, v *ast. } else if v.Op == opcode.NE { if v.All { // `a != all(subq)` will be rewriten as `a not in (subq)`. + er.asScalar = true er.buildSemiApplyFromEqualSubq(np, lexpr, rexpr, true) if er.err != nil { return v, true diff --git a/planner/core/expression_rewriter_test.go b/planner/core/expression_rewriter_test.go index 2f2801697fe0f..874aba58f7686 100644 --- a/planner/core/expression_rewriter_test.go +++ b/planner/core/expression_rewriter_test.go @@ -343,3 +343,37 @@ func (s *testExpressionRewriterSuite) TestIssue17652(c *C) { tk.MustQuery("select ifnull(max(x), 0) from t").Check( testkit.Rows("9999999703771440633")) } + +func (s *testExpressionRewriterSuite) TestCompareMultiFieldsInSubquery(c *C) { + defer testleak.AfterTest(c)() + store, dom, err := newStoreWithBootstrap() + c.Assert(err, IsNil) + tk := testkit.NewTestKit(c, store) + defer func() { + dom.Close() + store.Close() + }() + tk.MustExec("use test;") + tk.MustExec("drop table if exists t1, t2, t3, t4;") + tk.MustExec("CREATE TABLE t1(c1 int, c2 int);") + tk.MustExec("CREATE TABLE t2(c1 int, c2 int);") + tk.MustExec("CREATE TABLE t3(c1 int, c2 int);") + tk.MustExec("CREATE TABLE t4(c1 int, c2 int);") + tk.MustExec("INSERT INTO t1 VALUES (0, 0), (NULL, NULL);") + tk.MustExec("INSERT INTO t2 VALUES (0, 0), (NULL, NULL);") + tk.MustExec("INSERT INTO t3 VALUES (1, 2);") + // issue #13551 and #21674 + tk.MustQuery("SELECT * FROM t2 WHERE (SELECT c1, c2 FROM t2 LIMIT 1) = ANY (SELECT c1, c2 FROM t1);").Check(testkit.Rows("0 0", " ")) + tk.MustQuery("SELECT * FROM t2 WHERE (SELECT c1 FROM t2 LIMIT 1) = ANY (SELECT c1 FROM t1);").Check(testkit.Rows("0 0", " ")) + tk.MustQuery("SELECT * FROM t2 WHERE (SELECT c1, c2 FROM t2 order by c1 LIMIT 1) = ANY (SELECT c1, c2 FROM t1);").Check(testkit.Rows()) + + tk.MustQuery("SELECT * FROM t3 WHERE (SELECT c1 FROM t3 LIMIT 1) != ALL(SELECT c1 FROM t4);").Check(testkit.Rows("1 2")) + tk.MustQuery("SELECT * FROM t3 WHERE (SELECT c1, c2 FROM t3 LIMIT 1) != ALL(SELECT c1, c2 FROM t4);").Check(testkit.Rows("1 2")) + tk.MustExec("INSERT INTO t4 VALUES (1, 3);") + tk.MustQuery("SELECT * FROM t3 WHERE (SELECT c1 FROM t3 LIMIT 1) != ALL(SELECT c1 FROM t4);").Check(testkit.Rows()) + tk.MustQuery("SELECT * FROM t3 WHERE (SELECT c1, c2 FROM t3 LIMIT 1) != ALL(SELECT c1, c2 FROM t4);").Check(testkit.Rows("1 2")) + tk.MustExec("INSERT INTO t4 VALUES (1, 2);") + tk.MustQuery("SELECT * FROM t3 WHERE (SELECT c1 FROM t3 LIMIT 1) != ALL(SELECT c1 FROM t4);").Check(testkit.Rows()) + tk.MustQuery("SELECT * FROM t3 WHERE (SELECT c1, c2 FROM t3 LIMIT 1) != ALL(SELECT c1, c2 FROM t4);").Check(testkit.Rows()) + +} From 41eb5949247e60220ae6e7500c683337cd695d2b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=99=8E?= Date: Tue, 15 Dec 2020 16:06:54 +0800 Subject: [PATCH 0481/1021] expression: handle hybrid field types for where clause (#21724) --- executor/executor_test.go | 12 ++++++++++++ expression/expression.go | 36 ++++++++++++++++++++++++++---------- 2 files changed, 38 insertions(+), 10 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index a0a7154d3327b..2be54177cc9a2 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -7142,3 +7142,15 @@ func (s *testSuite) Test15492(c *C) { tk.MustExec("insert into t values (2, 20), (1, 10), (3, 30)") tk.MustQuery("select a + 1 as field1, a as field2 from t order by field1, field2 limit 2").Check(testkit.Rows("2 1", "3 2")) } + +func (s *testSuite) Test12201(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists e") + tk.MustExec("create table e (e enum('a', 'b'))") + tk.MustExec("insert into e values ('a'), ('b')") + tk.MustQuery("select * from e where case 1 when 0 then e end").Check(testkit.Rows()) + tk.MustQuery("select * from e where case 1 when 1 then e end").Check(testkit.Rows("a", "b")) + tk.MustQuery("select * from e where case e when 1 then e end").Check(testkit.Rows("a")) + tk.MustQuery("select * from e where case 1 when e then e end").Check(testkit.Rows("a")) +} diff --git a/expression/expression.go b/expression/expression.go index 33e0210adb19b..29aee092a42b4 100644 --- a/expression/expression.go +++ b/expression/expression.go @@ -331,10 +331,8 @@ func VecEvalBool(ctx sessionctx.Context, exprList CNFExprs, input *chunk.Chunk, isZero := allocZeroSlice(n) defer deallocateZeroSlice(isZero) for _, expr := range exprList { - eType := expr.GetType().EvalType() - if expr.GetType().Hybrid() { - eType = types.ETInt - } + tp := expr.GetType() + eType := tp.EvalType() buf, err := globalColumnAllocator.get(eType, n) if err != nil { return nil, nil, err @@ -344,7 +342,7 @@ func VecEvalBool(ctx sessionctx.Context, exprList CNFExprs, input *chunk.Chunk, return nil, nil, err } - err = toBool(ctx.GetSessionVars().StmtCtx, eType, buf, sel, isZero) + err = toBool(ctx.GetSessionVars().StmtCtx, tp, buf, sel, isZero) if err != nil { return nil, nil, err } @@ -384,7 +382,8 @@ func VecEvalBool(ctx sessionctx.Context, exprList CNFExprs, input *chunk.Chunk, return selected, nulls, nil } -func toBool(sc *stmtctx.StatementContext, eType types.EvalType, buf *chunk.Column, sel []int, isZero []int8) error { +func toBool(sc *stmtctx.StatementContext, tp *types.FieldType, buf *chunk.Column, sel []int, isZero []int8) error { + eType := tp.EvalType() switch eType { case types.ETInt: i64s := buf.Int64s() @@ -443,11 +442,28 @@ func toBool(sc *stmtctx.StatementContext, eType types.EvalType, buf *chunk.Colum if buf.IsNull(i) { isZero[i] = -1 } else { - iVal, err := types.StrToFloat(sc, buf.GetString(i), false) - if err != nil { - return err + var fVal float64 + var err error + sVal := buf.GetString(i) + if tp.Hybrid() { + switch tp.Tp { + case mysql.TypeEnum, mysql.TypeSet: + fVal = float64(len(sVal)) + case mysql.TypeBit: + var bl types.BinaryLiteral = buf.GetBytes(i) + iVal, err := bl.ToInt(sc) + if err != nil { + return err + } + fVal = float64(iVal) + } + } else { + fVal, err = types.StrToFloat(sc, sVal, false) + if err != nil { + return err + } } - if iVal == 0 { + if fVal == 0 { isZero[i] = 0 } else { isZero[i] = 1 From 5c19b8236f9ff36144d1afea23d0cab5b93065d1 Mon Sep 17 00:00:00 2001 From: Null not nil <67764674+nullnotnil@users.noreply.github.com> Date: Tue, 15 Dec 2020 01:44:54 -0700 Subject: [PATCH 0482/1021] expression: handle tp.flen overflow in to_base64 function (#20947) --- expression/builtin_string.go | 2 +- expression/builtin_string_vec.go | 3 +-- expression/integration_test.go | 13 +++++++++++++ 3 files changed, 15 insertions(+), 3 deletions(-) diff --git a/expression/builtin_string.go b/expression/builtin_string.go index 744e135b394fb..44406b801d426 100644 --- a/expression/builtin_string.go +++ b/expression/builtin_string.go @@ -3549,7 +3549,7 @@ func (b *builtinToBase64Sig) evalString(row chunk.Row) (d string, isNull bool, e return "", true, nil } if b.tp.Flen == -1 || b.tp.Flen > mysql.MaxBlobWidth { - return "", true, nil + b.tp.Flen = mysql.MaxBlobWidth } // encode diff --git a/expression/builtin_string_vec.go b/expression/builtin_string_vec.go index f66d692e0495a..76fd31b658361 100644 --- a/expression/builtin_string_vec.go +++ b/expression/builtin_string_vec.go @@ -2420,8 +2420,7 @@ func (b *builtinToBase64Sig) vecEvalString(input *chunk.Chunk, result *chunk.Col result.AppendNull() continue } else if b.tp.Flen == -1 || b.tp.Flen > mysql.MaxBlobWidth { - result.AppendNull() - continue + b.tp.Flen = mysql.MaxBlobWidth } newStr := base64.StdEncoding.EncodeToString([]byte(str)) diff --git a/expression/integration_test.go b/expression/integration_test.go index 413113ce03e03..f577401b63681 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7787,6 +7787,19 @@ func (s *testIntegrationSuite) TestIssue11645(c *C) { tk.MustQuery(`SELECT DATE_ADD('0001-01-02 00:00:00', INTERVAL -8785 HOUR);`).Check(testkit.Rows("0000-00-00 23:00:00")) } +func (s *testIntegrationSuite) TestIssue14349(c *C) { + defer s.cleanEnv(c) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("drop table if exists papers;") + tk.MustExec("create table papers(title text, content longtext)") + tk.MustExec("insert into papers values('title', 'content')") + tk.MustQuery(`select to_base64(title), to_base64(content) from papers;`).Check(testkit.Rows("dGl0bGU= Y29udGVudA==")) + tk.MustExec("set tidb_enable_vectorized_expression = 0;") + tk.MustQuery(`select to_base64(title), to_base64(content) from papers;`).Check(testkit.Rows("dGl0bGU= Y29udGVudA==")) + tk.MustExec("set tidb_enable_vectorized_expression = 1;") +} + func (s *testIntegrationSuite) TestIssue20180(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") From 25daaee0c0192b4a107d2988c08bd5a2ea1e6435 Mon Sep 17 00:00:00 2001 From: Arenatlx Date: Tue, 15 Dec 2020 17:00:15 +0800 Subject: [PATCH 0483/1021] add switch for point get cache (#21669) --- executor/point_get.go | 26 ++++++++++++++------------ executor/point_get_test.go | 6 ++++++ session/session.go | 1 + sessionctx/variable/session.go | 6 ++++++ sessionctx/variable/sysvar.go | 1 + sessionctx/variable/tidb_vars.go | 4 ++++ 6 files changed, 32 insertions(+), 12 deletions(-) diff --git a/executor/point_get.go b/executor/point_get.go index 50bcef37cd8fb..5161feea4981d 100644 --- a/executor/point_get.go +++ b/executor/point_get.go @@ -350,21 +350,23 @@ func (e *PointGetExecutor) get(ctx context.Context, key kv.Key) ([]byte, error) lock := e.tblInfo.Lock if lock != nil && (lock.Tp == model.TableLockRead || lock.Tp == model.TableLockReadOnly) { - cacheDB := e.ctx.GetStore().GetMemCache() - val = cacheDB.Get(ctx, e.tblInfo.ID, key) - // key does not exist then get from snapshot and set to cache - if val == nil { - val, err = e.snapshot.Get(ctx, key) - if err != nil { - return nil, err - } + if e.ctx.GetSessionVars().EnablePointGetCache { + cacheDB := e.ctx.GetStore().GetMemCache() + val = cacheDB.Get(ctx, e.tblInfo.ID, key) + // key does not exist then get from snapshot and set to cache + if val == nil { + val, err = e.snapshot.Get(ctx, key) + if err != nil { + return nil, err + } - err := cacheDB.Set(e.tblInfo.ID, key, val) - if err != nil { - return nil, err + err = cacheDB.Set(e.tblInfo.ID, key, val) + if err != nil { + return nil, err + } } + return val, nil } - return val, nil } // if not read lock or table was unlock then snapshot get return e.snapshot.Get(ctx, key) diff --git a/executor/point_get_test.go b/executor/point_get_test.go index 485dda78ee55b..9976ef6136b95 100644 --- a/executor/point_get_test.go +++ b/executor/point_get_test.go @@ -610,6 +610,12 @@ func (s *testSerialSuite) TestPointGetReadLock(c *C) { }) tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") + + tk.Se.GetSessionVars().EnablePointGetCache = true + defer func() { + tk.Se.GetSessionVars().EnablePointGetCache = false + }() + tk.MustExec("create table point (id int primary key, c int, d varchar(10), unique c_d (c, d))") tk.MustExec("insert point values (1, 1, 'a')") tk.MustExec("insert point values (2, 2, 'b')") diff --git a/session/session.go b/session/session.go index 131da380b4c47..3b357994d79d9 100644 --- a/session/session.go +++ b/session/session.go @@ -2284,6 +2284,7 @@ var builtinGlobalVariable = []string{ variable.TiDBShardAllocateStep, variable.TiDBEnableChangeColumnType, variable.TiDBEnableChangeMultiSchema, + variable.TiDBEnablePointGetCache, variable.TiDBEnableAmendPessimisticTxn, variable.TiDBMemQuotaApplyCache, variable.TiDBEnableParallelApply, diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index b028368311856..bbcfe825988a6 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -575,6 +575,9 @@ type SessionVars struct { // EnableChangeMultiSchema is used to control whether to enable the multi schema change. EnableChangeMultiSchema bool + // EnablePointGetCache is used to cache value for point get for read only scenario. + EnablePointGetCache bool + // WaitSplitRegionFinish defines the split region behaviour is sync or async. WaitSplitRegionFinish bool @@ -911,6 +914,7 @@ func NewSessionVars() *SessionVars { ShardAllocateStep: DefTiDBShardAllocateStep, EnableChangeColumnType: DefTiDBChangeColumnType, EnableChangeMultiSchema: DefTiDBChangeMultiSchema, + EnablePointGetCache: DefTiDBPointGetCache, EnableAmendPessimisticTxn: DefTiDBEnableAmendPessimisticTxn, PartitionPruneMode: *atomic2.NewString(DefTiDBPartitionPruneMode), TxnScope: config.GetGlobalConfig().TxnScope, @@ -1617,6 +1621,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.EnableChangeColumnType = TiDBOptOn(val) case TiDBEnableChangeMultiSchema: s.EnableChangeMultiSchema = TiDBOptOn(val) + case TiDBEnablePointGetCache: + s.EnablePointGetCache = TiDBOptOn(val) case TiDBEnableAmendPessimisticTxn: s.EnableAmendPessimisticTxn = TiDBOptOn(val) case TiDBTxnScope: diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 9c13dfa7cb04a..54da13b1876ee 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1046,6 +1046,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: TiDBMaxDeltaSchemaCount, Value: strconv.Itoa(DefTiDBMaxDeltaSchemaCount), Type: TypeUnsigned, MinValue: 100, MaxValue: 16384, AutoConvertOutOfRange: true}, {Scope: ScopeGlobal, Name: TiDBEnableChangeColumnType, Value: BoolToOnOff(DefTiDBChangeColumnType), Type: TypeBool}, {Scope: ScopeGlobal, Name: TiDBEnableChangeMultiSchema, Value: BoolToOnOff(DefTiDBChangeMultiSchema), Type: TypeBool}, + {Scope: ScopeGlobal, Name: TiDBEnablePointGetCache, Value: BoolToOnOff(DefTiDBPointGetCache), Type: TypeBool}, {Scope: ScopeSession, Name: TiDBForcePriority, Value: mysql.Priority2Str[DefTiDBForcePriority]}, {Scope: ScopeSession, Name: TiDBEnableRadixJoin, Value: BoolToOnOff(DefTiDBUseRadixJoin), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptJoinReorderThreshold, Value: strconv.Itoa(DefTiDBOptJoinReorderThreshold), Type: TypeUnsigned, MinValue: 0, MaxValue: 63}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 749d8358f9646..a67dcabdc73de 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -352,6 +352,9 @@ const ( // TiDBEnableChangeMultiSchema is used to control whether to enable the change multi schema. TiDBEnableChangeMultiSchema = "tidb_enable_change_multi_schema" + // TiDBEnablePointGetCache is used to control whether to enable the point get cache for special scenario. + TiDBEnablePointGetCache = "tidb_enable_point_get_cache" + // tidb_max_delta_schema_count defines the max length of deltaSchemaInfos. // deltaSchemaInfos is a queue that maintains the history of schema changes. TiDBMaxDeltaSchemaCount = "tidb_max_delta_schema_count" @@ -562,6 +565,7 @@ const ( DefTiDBMaxDeltaSchemaCount = 1024 DefTiDBChangeColumnType = false DefTiDBChangeMultiSchema = false + DefTiDBPointGetCache = false DefTiDBHashAggPartialConcurrency = ConcurrencyUnset DefTiDBHashAggFinalConcurrency = ConcurrencyUnset DefTiDBWindowConcurrency = ConcurrencyUnset From 67d66d68f2b2b2c9fc2d9450e7c6225a7bccea15 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=99=8E?= Date: Tue, 15 Dec 2020 17:33:55 +0800 Subject: [PATCH 0484/1021] expression: fix casting year 0 to string 0000 (#21469) --- executor/executor_test.go | 9 +++++++++ expression/builtin_cast.go | 6 +++++- expression/builtin_cast_vec.go | 7 ++++++- 3 files changed, 20 insertions(+), 2 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index 2be54177cc9a2..d18b47ab9dc14 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -7119,6 +7119,15 @@ func (s *testSuite) Test17780(c *C) { tk.MustQuery("select count(*) from t0 where c0 = 0").Check(testkit.Rows("0")) } +func (s *testSuite) TestIssue9918(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a year)") + tk.MustExec("insert into t values(0)") + tk.MustQuery("select cast(a as char) from t").Check(testkit.Rows("0000")) +} + func (s *testSuite) Test13004(c *C) { tk := testkit.NewTestKit(c, s.store) // see https://dev.mysql.com/doc/refman/5.6/en/date-and-time-literals.html, timestamp here actually produces a datetime diff --git a/expression/builtin_cast.go b/expression/builtin_cast.go index 4f16aa60db002..d64e83928b1e6 100644 --- a/expression/builtin_cast.go +++ b/expression/builtin_cast.go @@ -546,11 +546,15 @@ func (b *builtinCastIntAsStringSig) evalString(row chunk.Row) (res string, isNul if isNull || err != nil { return res, isNull, err } - if !mysql.HasUnsignedFlag(b.args[0].GetType().Flag) { + tp := b.args[0].GetType() + if !mysql.HasUnsignedFlag(tp.Flag) { res = strconv.FormatInt(val, 10) } else { res = strconv.FormatUint(uint64(val), 10) } + if tp.Tp == mysql.TypeYear && res == "0" { + res = "0000" + } res, err = types.ProduceStrWithSpecifiedTp(res, b.tp, b.ctx.GetSessionVars().StmtCtx, false) if err != nil { return res, false, err diff --git a/expression/builtin_cast_vec.go b/expression/builtin_cast_vec.go index 47214e5a0f5af..f42eb9f1cc58e 100644 --- a/expression/builtin_cast_vec.go +++ b/expression/builtin_cast_vec.go @@ -636,7 +636,9 @@ func (b *builtinCastIntAsStringSig) vecEvalString(input *chunk.Chunk, result *ch return err } - isUnsigned := mysql.HasUnsignedFlag(b.args[0].GetType().Flag) + tp := b.args[0].GetType() + isUnsigned := mysql.HasUnsignedFlag(tp.Flag) + isYearType := tp.Tp == mysql.TypeYear result.ReserveString(n) i64s := buf.Int64s() for i := 0; i < n; i++ { @@ -650,6 +652,9 @@ func (b *builtinCastIntAsStringSig) vecEvalString(input *chunk.Chunk, result *ch } else { str = strconv.FormatUint(uint64(i64s[i]), 10) } + if isYearType && str == "0" { + str = "0000" + } str, err = types.ProduceStrWithSpecifiedTp(str, b.tp, b.ctx.GetSessionVars().StmtCtx, false) if err != nil { return err From 3cbfec31d9dc10ef4d0a5ba8f8f14bf37611e4ae Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Tue, 15 Dec 2020 18:27:23 +0800 Subject: [PATCH 0485/1021] *: add a switch for extended stats to disable the feature by default (#21716) --- executor/set_test.go | 9 +++++++++ executor/simple.go | 9 +++++++++ executor/simple_test.go | 2 ++ session/session.go | 1 + sessionctx/variable/session.go | 6 ++++++ sessionctx/variable/sysvar.go | 1 + sessionctx/variable/tidb_vars.go | 3 +++ statistics/handle/dump_test.go | 1 + statistics/handle/gc_test.go | 1 + statistics/handle/handle_test.go | 16 ++++++++++++++++ 10 files changed, 49 insertions(+) diff --git a/executor/set_test.go b/executor/set_test.go index 3381acac33ca0..f8c12775bf55d 100644 --- a/executor/set_test.go +++ b/executor/set_test.go @@ -486,6 +486,15 @@ func (s *testSerialSuite1) TestSetVar(c *C) { tk.MustQuery(`show variables like 'tidb_general_log';`).Check(testkit.Rows("tidb_general_log OFF")) c.Assert(tk.ExecToErr("set tidb_general_log = abc"), NotNil) c.Assert(tk.ExecToErr("set tidb_general_log = 123"), NotNil) + + tk.MustExec("SET SESSION tidb_enable_extended_stats = on") + tk.MustQuery("select @@session.tidb_enable_extended_stats").Check(testkit.Rows("1")) + tk.MustExec("SET SESSION tidb_enable_extended_stats = off") + tk.MustQuery("select @@session.tidb_enable_extended_stats").Check(testkit.Rows("0")) + tk.MustExec("SET GLOBAL tidb_enable_extended_stats = on") + tk.MustQuery("select @@global.tidb_enable_extended_stats").Check(testkit.Rows("1")) + tk.MustExec("SET GLOBAL tidb_enable_extended_stats = off") + tk.MustQuery("select @@global.tidb_enable_extended_stats").Check(testkit.Rows("0")) } func (s *testSuite5) TestTruncateIncorrectIntSessionVar(c *C) { diff --git a/executor/simple.go b/executor/simple.go index 1203bcd1ebdf3..09db4a10a67ef 100644 --- a/executor/simple.go +++ b/executor/simple.go @@ -1262,6 +1262,9 @@ func asyncDelayShutdown(p *os.Process, delay time.Duration) { } func (e *SimpleExec) executeCreateStatistics(s *ast.CreateStatisticsStmt) (err error) { + if !e.ctx.GetSessionVars().EnableExtendedStats { + return errors.New("Extended statistics feature is not generally available now, and tidb_enable_extended_stats is OFF") + } // Not support Cardinality and Dependency statistics type for now. if s.StatsType == ast.StatsTypeCardinality || s.StatsType == ast.StatsTypeDependency { return dbterror.ClassOptimizer.NewStd(mysql.ErrInternal).GenWithStack("Cardinality and Dependency statistics types are not supported") @@ -1302,6 +1305,9 @@ func (e *SimpleExec) executeCreateStatistics(s *ast.CreateStatisticsStmt) (err e } func (e *SimpleExec) executeDropStatistics(s *ast.DropStatisticsStmt) error { + if !e.ctx.GetSessionVars().EnableExtendedStats { + return errors.New("Extended statistics feature is not generally available now, and tidb_enable_extended_stats is OFF") + } db := e.ctx.GetSessionVars().CurrentDB if db == "" { return core.ErrNoDB @@ -1315,5 +1321,8 @@ func (e *SimpleExec) executeAdminReloadStatistics(s *ast.AdminStmt) error { if s.Tp != ast.AdminReloadStatistics { return dbterror.ClassOptimizer.NewStd(mysql.ErrInternal).GenWithStack("This AdminStmt is not ADMIN RELOAD STATISTICS") } + if !e.ctx.GetSessionVars().EnableExtendedStats { + return errors.New("Extended statistics feature is not generally available now, and tidb_enable_extended_stats is OFF") + } return domain.GetDomain(e.ctx).StatsHandle().ReloadExtendedStatistics() } diff --git a/executor/simple_test.go b/executor/simple_test.go index cefce46c76368..00869bcf6ea04 100644 --- a/executor/simple_test.go +++ b/executor/simple_test.go @@ -763,6 +763,8 @@ func (s *testSuite3) TestExtendedStatsPrivileges(c *C) { defer se.Close() c.Assert(se.Auth(&auth.UserIdentity{Username: "u1", Hostname: "%"}, nil, nil), IsTrue) ctx := context.Background() + _, err = se.Execute(ctx, "set session tidb_enable_extended_stats = on") + c.Assert(err, IsNil) _, err = se.Execute(ctx, "create statistics s1(correlation) on test.t(a,b)") c.Assert(err, NotNil) c.Assert(err.Error(), Equals, "[planner:1142]CREATE STATISTICS command denied to user 'u1'@'%' for table 't'") diff --git a/session/session.go b/session/session.go index 3b357994d79d9..3a27feac86417 100644 --- a/session/session.go +++ b/session/session.go @@ -2274,6 +2274,7 @@ var builtinGlobalVariable = []string{ variable.TiDBCapturePlanBaseline, variable.TiDBUsePlanBaselines, variable.TiDBEvolvePlanBaselines, + variable.TiDBEnableExtendedStats, variable.TiDBIsolationReadEngines, variable.TiDBStoreLimit, variable.TiDBAllowAutoRandExplicitInsert, diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index bbcfe825988a6..0cc8a1b730f48 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -669,6 +669,9 @@ type SessionVars struct { // EvolvePlanBaselines indicates whether we will evolve the plan baselines. EvolvePlanBaselines bool + // EnableExtendedStats indicates whether we enable the extended statistics feature. + EnableExtendedStats bool + // Unexported fields should be accessed and set through interfaces like GetReplicaRead() and SetReplicaRead(). // allowInSubqToJoinAndAgg can be set to false to forbid rewriting the semi join to inner join with agg. @@ -897,6 +900,7 @@ func NewSessionVars() *SessionVars { AllowRemoveAutoInc: DefTiDBAllowRemoveAutoInc, UsePlanBaselines: DefTiDBUsePlanBaselines, EvolvePlanBaselines: DefTiDBEvolvePlanBaselines, + EnableExtendedStats: false, IsolationReadEngines: make(map[kv.StoreType]struct{}), LockWaitTimeout: DefInnodbLockWaitTimeout * 1000, MetricSchemaStep: DefTiDBMetricSchemaStep, @@ -1511,6 +1515,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.UsePlanBaselines = TiDBOptOn(val) case TiDBEvolvePlanBaselines: s.EvolvePlanBaselines = TiDBOptOn(val) + case TiDBEnableExtendedStats: + s.EnableExtendedStats = TiDBOptOn(val) case TiDBIsolationReadEngines: s.IsolationReadEngines = make(map[kv.StoreType]struct{}) for _, engine := range strings.Split(val, ",") { diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 54da13b1876ee..2b97549270a73 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1069,6 +1069,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBCapturePlanBaseline, Value: BoolOff, Type: TypeBool, AllowEmptyAll: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBUsePlanBaselines, Value: BoolToOnOff(DefTiDBUsePlanBaselines), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEvolvePlanBaselines, Value: BoolToOnOff(DefTiDBEvolvePlanBaselines), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableExtendedStats, Value: BoolToOnOff(false), Type: TypeBool}, {Scope: ScopeGlobal, Name: TiDBEvolvePlanTaskMaxTime, Value: strconv.Itoa(DefTiDBEvolvePlanTaskMaxTime), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeGlobal, Name: TiDBEvolvePlanTaskStartTime, Value: DefTiDBEvolvePlanTaskStartTime, Type: TypeTime}, {Scope: ScopeGlobal, Name: TiDBEvolvePlanTaskEndTime, Value: DefTiDBEvolvePlanTaskEndTime, Type: TypeTime}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index a67dcabdc73de..991c74f097d49 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -435,6 +435,9 @@ const ( // TiDBEvolvePlanBaselines indicates whether the evolution of plan baselines is enabled. TiDBEvolvePlanBaselines = "tidb_evolve_plan_baselines" + // TiDBEnableExtendedStats indicates whether the extended statistics feature is enabled. + TiDBEnableExtendedStats = "tidb_enable_extended_stats" + // TiDBIsolationReadEngines indicates the tidb only read from the stores whose engine type is involved in IsolationReadEngines. // Now, only support TiKV and TiFlash. TiDBIsolationReadEngines = "tidb_isolation_read_engines" diff --git a/statistics/handle/dump_test.go b/statistics/handle/dump_test.go index e5b28a92ebd38..fc25c63d1f92d 100644 --- a/statistics/handle/dump_test.go +++ b/statistics/handle/dump_test.go @@ -188,6 +188,7 @@ func (s *testStatsSuite) TestDumpPseudoColumns(c *C) { func (s *testStatsSuite) TestDumpExtendedStats(c *C) { defer cleanEnv(c, s.store, s.do) tk := testkit.NewTestKit(c, s.store) + tk.MustExec("set session tidb_enable_extended_stats = on") tk.MustExec("use test") tk.MustExec("drop table if exists t") tk.MustExec("create table t(a int, b int)") diff --git a/statistics/handle/gc_test.go b/statistics/handle/gc_test.go index 63b9013561b69..127d43fbf3d8b 100644 --- a/statistics/handle/gc_test.go +++ b/statistics/handle/gc_test.go @@ -96,6 +96,7 @@ func (s *testStatsSuite) TestGCPartition(c *C) { func (s *testStatsSuite) TestGCExtendedStats(c *C) { defer cleanEnv(c, s.store, s.do) testKit := testkit.NewTestKit(c, s.store) + testKit.MustExec("set session tidb_enable_extended_stats = on") testKit.MustExec("use test") testKit.MustExec("create table t(a int, b int, c int)") testKit.MustExec("insert into t values (1,1,1),(2,2,2),(3,3,3)") diff --git a/statistics/handle/handle_test.go b/statistics/handle/handle_test.go index f5e20f452df2e..dd031b157c126 100644 --- a/statistics/handle/handle_test.go +++ b/statistics/handle/handle_test.go @@ -643,9 +643,23 @@ func (s *testStatsSuite) TestCorrelation(c *C) { c.Assert(result.Rows()[0][9], Equals, "0") } +func (s *testStatsSuite) TestExtendedStatsDefaultSwitch(c *C) { + defer cleanEnv(c, s.store, s.do) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("create table t(a int primary key, b int, c int, d int)") + err := tk.ExecToErr("create statistics s1(correlation) on t(b,c)") + c.Assert(err.Error(), Equals, "Extended statistics feature is not generally available now, and tidb_enable_extended_stats is OFF") + err = tk.ExecToErr("drop statistics s1") + c.Assert(err.Error(), Equals, "Extended statistics feature is not generally available now, and tidb_enable_extended_stats is OFF") + err = tk.ExecToErr("admin reload statistics") + c.Assert(err.Error(), Equals, "Extended statistics feature is not generally available now, and tidb_enable_extended_stats is OFF") +} + func (s *testStatsSuite) TestExtendedStatsOps(c *C) { defer cleanEnv(c, s.store, s.do) tk := testkit.NewTestKit(c, s.store) + tk.MustExec("set session tidb_enable_extended_stats = on") err := tk.ExecToErr("drop statistics s1") c.Assert(err.Error(), Equals, "[planner:1046]No database selected") tk.MustExec("use test") @@ -703,6 +717,7 @@ func (s *testStatsSuite) TestExtendedStatsOps(c *C) { func (s *testStatsSuite) TestAdminReloadStatistics(c *C) { defer cleanEnv(c, s.store, s.do) tk := testkit.NewTestKit(c, s.store) + tk.MustExec("set session tidb_enable_extended_stats = on") tk.MustExec("use test") tk.MustExec("create table t(a int primary key, b int, c int, d int)") tk.MustExec("insert into t values(1,1,5,1),(2,2,4,2),(3,3,3,3),(4,4,2,4),(5,5,1,5)") @@ -745,6 +760,7 @@ func (s *testStatsSuite) TestAdminReloadStatistics(c *C) { func (s *testStatsSuite) TestCorrelationStatsCompute(c *C) { defer cleanEnv(c, s.store, s.do) tk := testkit.NewTestKit(c, s.store) + tk.MustExec("set session tidb_enable_extended_stats = on") tk.MustExec("use test") tk.MustExec("create table t(a int, b int, c int)") tk.MustExec("insert into t values(1,1,5),(2,2,4),(3,3,3),(4,4,2),(5,5,1)") From 7fac2ba027aee70cad4f4a307240ef5b7e6a64f8 Mon Sep 17 00:00:00 2001 From: crazycs Date: Tue, 15 Dec 2020 21:06:35 +0800 Subject: [PATCH 0486/1021] ddl: add more ddl test for list partition (#21693) Signed-off-by: crazycs520 --- ddl/db_partition_test.go | 104 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 104 insertions(+) diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index 74d1f2c536b1d..27c7502adc012 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -14,6 +14,7 @@ package ddl_test import ( + "bytes" "context" "fmt" "math" @@ -532,6 +533,35 @@ create table log_message_1 ( partition p1 values less than (20));`) } +func (s *testIntegrationSuite1) TestDisableTablePartition(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("set @@session.tidb_enable_table_partition = 0") + tk.MustExec("drop table if exists t") + tk.MustExec(`create table t (id int) partition by list (id) ( + partition p0 values in (1,2),partition p1 values in (3,4));`) + tbl := testGetTableByName(c, tk.Se, "test", "t") + c.Assert(tbl.Meta().Partition, IsNil) + _, err := tk.Exec(`alter table t add partition ( + partition p4 values in (7), + partition p5 values in (8,9));`) + c.Assert(ddl.ErrPartitionMgmtOnNonpartitioned.Equal(err), IsTrue) + tk.MustExec("insert into t values (1),(3),(5),(100),(null)") +} + +func (s *testIntegrationSuite1) generatePartitionTableByNum(num int) string { + buf := bytes.NewBuffer(make([]byte, 0, 1024*1024)) + buf.WriteString("create table t (id int) partition by list (id) (") + for i := 0; i < num; i++ { + if i > 0 { + buf.WriteString(",") + } + buf.WriteString(fmt.Sprintf("partition p%v values in (%v)", i, i)) + } + buf.WriteString(")") + return buf.String() +} + func (s *testIntegrationSuite1) TestCreateTableWithListPartition(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") @@ -627,6 +657,10 @@ func (s *testIntegrationSuite1) TestCreateTableWithListPartition(c *C) { );`, ddl.ErrUniqueKeyNeedAllFieldsInPf, }, + { + s.generatePartitionTableByNum(ddl.PartitionCountLimit + 1), + ddl.ErrTooManyPartitions, + }, } for i, t := range cases { _, err := tk.Exec(t.sql) @@ -654,6 +688,7 @@ func (s *testIntegrationSuite1) TestCreateTableWithListPartition(c *C) { "create table t (a bigint) partition by list (a) (partition p0 values in (to_seconds('2020-09-28 17:03:38'),to_seconds('2020-09-28 17:03:39')));", "create table t (a datetime) partition by list (to_seconds(a)) (partition p0 values in (to_seconds('2020-09-28 17:03:38'),to_seconds('2020-09-28 17:03:39')));", "create table t (a int, b int generated always as (a+1) virtual) partition by list (b + 1) (partition p0 values in (1));", + s.generatePartitionTableByNum(ddl.PartitionCountLimit), } for _, sql := range validCases { @@ -917,6 +952,9 @@ func (s *testIntegrationSuite5) TestAlterTableAddPartitionByList(c *C) { {"alter table t add partition (partition p6 values in ('a'))", ddl.ErrValuesIsNotIntType, }, + {"alter table t add partition (partition p5 values in (10),partition p6 values in (7))", + ddl.ErrSameNamePartition, + }, } for i, t := range errorCases { @@ -1050,7 +1088,9 @@ func (s *testIntegrationSuite5) TestAlterTableDropPartitionByList(c *C) { partition p1 values in (3,4), partition p3 values in (5,null) );`) + tk.MustExec(`insert into t values (1),(3),(5),(null)`) tk.MustExec(`alter table t drop partition p1`) + tk.MustQuery("select * from t").Check(testkit.Rows("1", "5", "")) ctx := tk.Se.(sessionctx.Context) is := domain.GetDomain(ctx).InfoSchema() tbl, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) @@ -1068,6 +1108,7 @@ func (s *testIntegrationSuite5) TestAlterTableDropPartitionByList(c *C) { sql := "alter table t drop partition p10;" tk.MustGetErrCode(sql, tmysql.ErrDropPartitionNonExistent) tk.MustExec(`alter table t drop partition p3`) + tk.MustQuery("select * from t").Check(testkit.Rows("1")) sql = "alter table t drop partition p0;" tk.MustGetErrCode(sql, tmysql.ErrDropLastPartition) } @@ -1081,7 +1122,9 @@ func (s *testIntegrationSuite5) TestAlterTableDropPartitionByListColumns(c *C) { partition p1 values in ((3,'a'),(4,'b')), partition p3 values in ((5,'a'),(null,null)) );`) + tk.MustExec(`insert into t values (1,'a'),(3,'a'),(5,'a'),(null,null)`) tk.MustExec(`alter table t drop partition p1`) + tk.MustQuery("select * from t").Check(testkit.Rows("1 a", "5 a", " ")) ctx := tk.Se.(sessionctx.Context) is := domain.GetDomain(ctx).InfoSchema() tbl, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) @@ -1101,10 +1144,71 @@ func (s *testIntegrationSuite5) TestAlterTableDropPartitionByListColumns(c *C) { sql := "alter table t drop partition p10;" tk.MustGetErrCode(sql, tmysql.ErrDropPartitionNonExistent) tk.MustExec(`alter table t drop partition p3`) + tk.MustQuery("select * from t").Check(testkit.Rows("1 a")) sql = "alter table t drop partition p0;" tk.MustGetErrCode(sql, tmysql.ErrDropLastPartition) } +func (s *testIntegrationSuite5) TestAlterTableTruncatePartitionByList(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("drop table if exists t;") + tk.MustExec(`create table t (id int) partition by list (id) ( + partition p0 values in (1,2), + partition p1 values in (3,4), + partition p3 values in (5,null) + );`) + tk.MustExec(`insert into t values (1),(3),(5),(null)`) + oldTbl := testGetTableByName(c, tk.Se, "test", "t") + tk.MustExec(`alter table t truncate partition p1`) + tk.MustQuery("select * from t").Check(testkit.Rows("1", "5", "")) + tbl := testGetTableByName(c, tk.Se, "test", "t") + c.Assert(tbl.Meta().Partition, NotNil) + part := tbl.Meta().Partition + c.Assert(part.Type == model.PartitionTypeList, IsTrue) + c.Assert(part.Definitions, HasLen, 3) + c.Assert(part.Definitions[1].InValues, DeepEquals, [][]string{{"3"}, {"4"}}) + c.Assert(part.Definitions[1].Name, Equals, model.NewCIStr("p1")) + c.Assert(part.Definitions[1].ID == oldTbl.Meta().Partition.Definitions[1].ID, IsFalse) + + sql := "alter table t truncate partition p10;" + tk.MustGetErrCode(sql, tmysql.ErrUnknownPartition) + tk.MustExec(`alter table t truncate partition p3`) + tk.MustQuery("select * from t").Check(testkit.Rows("1")) + tk.MustExec(`alter table t truncate partition p0`) + tk.MustQuery("select * from t").Check(testkit.Rows()) +} + +func (s *testIntegrationSuite5) TestAlterTableTruncatePartitionByListColumns(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test;") + tk.MustExec("drop table if exists t;") + tk.MustExec(`create table t (id int, name varchar(10)) partition by list columns (id,name) ( + partition p0 values in ((1,'a'),(2,'b')), + partition p1 values in ((3,'a'),(4,'b')), + partition p3 values in ((5,'a'),(null,null)) + );`) + tk.MustExec(`insert into t values (1,'a'),(3,'a'),(5,'a'),(null,null)`) + oldTbl := testGetTableByName(c, tk.Se, "test", "t") + tk.MustExec(`alter table t truncate partition p1`) + tk.MustQuery("select * from t").Check(testkit.Rows("1 a", "5 a", " ")) + tbl := testGetTableByName(c, tk.Se, "test", "t") + c.Assert(tbl.Meta().Partition, NotNil) + part := tbl.Meta().Partition + c.Assert(part.Type == model.PartitionTypeList, IsTrue) + c.Assert(part.Definitions, HasLen, 3) + c.Assert(part.Definitions[1].InValues, DeepEquals, [][]string{{"3", `"a"`}, {"4", `"b"`}}) + c.Assert(part.Definitions[1].Name, Equals, model.NewCIStr("p1")) + c.Assert(part.Definitions[1].ID == oldTbl.Meta().Partition.Definitions[1].ID, IsFalse) + + sql := "alter table t truncate partition p10;" + tk.MustGetErrCode(sql, tmysql.ErrUnknownPartition) + tk.MustExec(`alter table t truncate partition p3`) + tk.MustQuery("select * from t").Check(testkit.Rows("1 a")) + tk.MustExec(`alter table t truncate partition p0`) + tk.MustQuery("select * from t").Check(testkit.Rows()) +} + func (s *testIntegrationSuite3) TestCreateTableWithKeyPartition(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") From e90b93098c4ea4ed2e43dca3f300842a15f40b6b Mon Sep 17 00:00:00 2001 From: Null not nil <67764674+nullnotnil@users.noreply.github.com> Date: Tue, 15 Dec 2020 20:56:35 -0700 Subject: [PATCH 0487/1021] server: cleanup authswitchrequest (#20970) --- go.mod | 2 +- go.sum | 4 ++-- server/conn.go | 10 +++++----- 3 files changed, 8 insertions(+), 8 deletions(-) diff --git a/go.mod b/go.mod index a068a99c9443a..04f56a518597d 100644 --- a/go.mod +++ b/go.mod @@ -47,7 +47,7 @@ require ( github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20201208043834-923c9609272c github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 - github.com/pingcap/parser v0.0.0-20201203085211-44f6be1df1c4 + github.com/pingcap/parser v0.0.0-20201203152619-33293d112894 github.com/pingcap/sysutil v0.0.0-20201130064824-f0c8aa6a6966 github.com/pingcap/tidb-lightning v4.0.9-0.20201106041742-a1ac97827a27+incompatible github.com/pingcap/tidb-tools v4.0.9-0.20201127090955-2707c97b3853+incompatible diff --git a/go.sum b/go.sum index 3f227d0f1d2ca..21c8a54bfd078 100644 --- a/go.sum +++ b/go.sum @@ -690,8 +690,8 @@ github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 h1:M+DNpOu/I3uDmwee6vc github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/parser v0.0.0-20190506092653-e336082eb825/go.mod h1:1FNvfp9+J0wvc4kl8eGNh7Rqrxveg15jJoWo/a0uHwA= github.com/pingcap/parser v0.0.0-20200422082501-7329d80eaf2c/go.mod h1:9v0Edh8IbgjGYW2ArJr19E+bvL8zKahsFp+ixWeId+4= -github.com/pingcap/parser v0.0.0-20201203085211-44f6be1df1c4 h1:D1JuGq6UWQbqknDa6VI/6S9+i9PTrGmGe0qBChqHE7k= -github.com/pingcap/parser v0.0.0-20201203085211-44f6be1df1c4/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= +github.com/pingcap/parser v0.0.0-20201203152619-33293d112894 h1:l3j4Ys9EkfvfE89Xylowoe9ncPy/0ajUtZs3MiQphac= +github.com/pingcap/parser v0.0.0-20201203152619-33293d112894/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= github.com/pingcap/pd v2.1.5+incompatible/go.mod h1:nD3+EoYes4+aNNODO99ES59V83MZSI+dFbhyr667a0E= github.com/pingcap/pd/v4 v4.0.0-rc.1.0.20200422143320-428acd53eba2/go.mod h1:s+utZtXDznOiL24VK0qGmtoHjjXNsscJx3m1n8cC56s= github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= diff --git a/server/conn.go b/server/conn.go index 6452e5bb91453..7df21dd5f759f 100644 --- a/server/conn.go +++ b/server/conn.go @@ -199,10 +199,10 @@ func (cc *clientConn) String() string { // the client to switch, so lets ask for mysql_native_password // https://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::AuthSwitchRequest func (cc *clientConn) authSwitchRequest(ctx context.Context) ([]byte, error) { - enclen := 1 + len("mysql_native_password") + 1 + len(cc.salt) + 1 + enclen := 1 + len(mysql.AuthNativePassword) + 1 + len(cc.salt) + 1 data := cc.alloc.AllocWithLen(4, enclen) - data = append(data, 0xfe) // switch request - data = append(data, []byte("mysql_native_password")...) + data = append(data, mysql.AuthSwitchRequest) // switch request + data = append(data, []byte(mysql.AuthNativePassword)...) data = append(data, byte(0x00)) // requires null data = append(data, cc.salt...) data = append(data, 0) @@ -332,7 +332,7 @@ func (cc *clientConn) writeInitialHandshake(ctx context.Context) error { data = append(data, cc.salt[8:]...) data = append(data, 0) // auth-plugin name - data = append(data, []byte("mysql_native_password")...) + data = append(data, []byte(mysql.AuthNativePassword)...) data = append(data, 0) err := cc.writePacket(data) if err != nil { @@ -628,7 +628,7 @@ func (cc *clientConn) readOptionalSSLRequestAndHandshakeResponse(ctx context.Con } // switching from other methods should work, but not tested - if resp.AuthPlugin == "caching_sha2_password" { + if resp.AuthPlugin == mysql.AuthCachingSha2Password { resp.Auth, err = cc.authSwitchRequest(ctx) if err != nil { logutil.Logger(ctx).Warn("attempt to send auth switch request packet failed", zap.Error(err)) From 291d0b8ee62d1689e267baf099d880dc95dcf874 Mon Sep 17 00:00:00 2001 From: cfzjywxk Date: Wed, 16 Dec 2020 13:34:04 +0800 Subject: [PATCH 0488/1021] txn: disable amend by default on master (#21829) --- ddl/db_test.go | 3 +-- session/pessimistic_test.go | 14 +++++++++++--- session/session_test.go | 2 ++ sessionctx/variable/tidb_vars.go | 2 +- 4 files changed, 15 insertions(+), 6 deletions(-) diff --git a/ddl/db_test.go b/ddl/db_test.go index b4c11df1de218..a7cdf60b79ce5 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -5970,6 +5970,7 @@ func (s *testDBSuite1) TestAlterTableWithValidation(c *C) { func (s *testSerialDBSuite) TestCommitTxnWithIndexChange(c *C) { // Prepare work. tk := testkit.NewTestKit(c, s.store) + tk.MustExec("set tidb_enable_amend_pessimistic_txn = 1;") tk.MustExec("drop database if exists test_db") tk.MustExec("create database test_db") tk.MustExec("use test_db") @@ -6041,7 +6042,6 @@ func (s *testSerialDBSuite) TestCommitTxnWithIndexChange(c *C) { false, model.StateNone}, // Test unique index - /* TODO unique index is not supported now. {[]string{"insert into t1 values(3, 30, 300)", "insert into t1 values(4, 40, 400)", "insert into t2 values(11, 11, 11)", @@ -6085,7 +6085,6 @@ func (s *testSerialDBSuite) TestCommitTxnWithIndexChange(c *C) { {"1 10 100", "2 20 200"}}, true, model.StateWriteOnly}, - */ } tk.MustQuery("select * from t1;").Check(testkit.Rows("1 10 100", "2 20 200")) diff --git a/session/pessimistic_test.go b/session/pessimistic_test.go index c4ad972a08e5c..009393a0fe91b 100644 --- a/session/pessimistic_test.go +++ b/session/pessimistic_test.go @@ -1598,6 +1598,7 @@ func (s *testPessimisticSuite) TestPessimisticTxnWithDDLAddDropColumn(c *C) { // tk2 starts a pessimistic transaction and make some changes on table t1. // tk executes some ddl statements add/drop column on table t1. + tk.MustExec("set tidb_enable_amend_pessimistic_txn = 1;") tk.MustExec("begin pessimistic") tk.MustExec("update t1 set c2 = c1 * 10") tk2.MustExec("alter table t1 add column c3 int after c1") @@ -1612,6 +1613,7 @@ func (s *testPessimisticSuite) TestPessimisticTxnWithDDLAddDropColumn(c *C) { tk.MustExec("commit") tk.MustQuery("select * from t1").Check(testkit.Rows("1", "2", "5")) } + func (s *testPessimisticSuite) TestPessimisticTxnWithDDLChangeColumn(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk2 := testkit.NewTestKitWithInit(c, s.store) @@ -1624,6 +1626,7 @@ func (s *testPessimisticSuite) TestPessimisticTxnWithDDLChangeColumn(c *C) { tk.MustExec("insert t1 values (1, 77, 'a'), (2, 88, 'b')") // Extend column field length is acceptable. + tk.MustExec("set tidb_enable_amend_pessimistic_txn = 1;") tk.MustExec("begin pessimistic") tk.MustExec("update t1 set c2 = c1 * 10") tk2.MustExec("alter table t1 modify column c2 bigint") @@ -1892,6 +1895,7 @@ func (s *testPessimisticSuite) TestAmendTxnVariable(c *C) { tk3.MustExec("set tidb_enable_amend_pessimistic_txn = 0;") tk3.MustExec("begin pessimistic") tk3.MustExec("insert into t1 values(3, 3, 3)") + tk.MustExec("set tidb_enable_amend_pessimistic_txn = 1;") tk.MustExec("begin pessimistic") tk.MustExec("insert into t1 values(4, 4, 4)") tk2.MustExec("alter table t1 add column new_col int") @@ -1899,6 +1903,7 @@ func (s *testPessimisticSuite) TestAmendTxnVariable(c *C) { c.Assert(err, NotNil) tk.MustExec("commit") tk2.MustQuery("select * from t1").Check(testkit.Rows("1 1 1 ", "2 2 2 ", "4 4 4 ")) + tk.MustExec("set tidb_enable_amend_pessimistic_txn = 0;") // Set off the global variable. tk2.MustExec("set global tidb_enable_amend_pessimistic_txn = 0;") @@ -1916,9 +1921,6 @@ func (s *testPessimisticSuite) TestAmendTxnVariable(c *C) { tk2.MustExec("alter table t1 add column new_col2 int") tk4.MustExec("commit") tk2.MustQuery("select * from t1").Check(testkit.Rows("1 1 1 ", "2 2 2 ", "4 4 4 ", "5 5 5 ")) - - // Restore. - tk2.MustExec("set global tidb_enable_amend_pessimistic_txn = 1;") } func (s *testPessimisticSuite) TestSelectForUpdateWaitSeconds(c *C) { @@ -2032,6 +2034,9 @@ func (s *testPessimisticSuite) TestAsyncCommitWithSchemaChange(c *C) { tk.MustExec("insert into tk values(1, 1, 1)") tk2 := s.newAsyncCommitTestKitWithInit(c) tk3 := s.newAsyncCommitTestKitWithInit(c) + tk.MustExec("set tidb_enable_amend_pessimistic_txn = 1;") + tk2.MustExec("set tidb_enable_amend_pessimistic_txn = 1;") + tk3.MustExec("set tidb_enable_amend_pessimistic_txn = 1;") // The txn tk writes something but with failpoint the primary key is not committed. tk.MustExec("begin pessimistic") @@ -2097,6 +2102,9 @@ func (s *testPessimisticSuite) Test1PCWithSchemaChange(c *C) { tk.MustExec("drop table if exists tk") tk.MustExec("create table tk (c1 int primary key, c2 int)") tk.MustExec("insert into tk values (1, 1)") + tk.MustExec("set tidb_enable_amend_pessimistic_txn = 1;") + tk2.MustExec("set tidb_enable_amend_pessimistic_txn = 1;") + tk3.MustExec("set tidb_enable_amend_pessimistic_txn = 1;") tk.MustExec("begin pessimistic") tk.MustExec("insert into tk values(2, 2)") diff --git a/session/session_test.go b/session/session_test.go index 3133f76457249..fb7906731e1b4 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -2140,6 +2140,8 @@ func (s *testSchemaSuite) TestRetrySchemaChangeForEmptyChange(c *C) { tk.MustExec("insert into t1 values (1)") tk.MustExec("commit") + // TODO remove this enable after fixing table delta map. + tk.MustExec("set tidb_enable_amend_pessimistic_txn = 1") tk.MustExec("begin pessimistic") tk1.MustExec("alter table t add k int") tk.MustExec("select * from t for update") diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 991c74f097d49..a221bbc22db7d 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -607,7 +607,7 @@ const ( DefTiDBShardAllocateStep = math.MaxInt64 DefTiDBEnableTelemetry = true DefTiDBEnableParallelApply = false - DefTiDBEnableAmendPessimisticTxn = true + DefTiDBEnableAmendPessimisticTxn = false DefTiDBPartitionPruneMode = "static-only" DefTiDBEnableRateLimitAction = true DefTiDBEnableAsyncCommit = false From 9f095242b586fdf1cc3725db7d690c26a81d7a86 Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Wed, 16 Dec 2020 15:01:35 +0800 Subject: [PATCH 0489/1021] exeutor: add a switch for memory tracker in aggregate (#21597) --- executor/aggregate.go | 8 ++++++-- executor/executor_test.go | 19 +++++++++++++++++++ session/session.go | 1 + sessionctx/variable/session.go | 5 +++++ sessionctx/variable/sysvar.go | 1 + sessionctx/variable/tidb_vars.go | 4 ++++ 6 files changed, 36 insertions(+), 2 deletions(-) diff --git a/executor/aggregate.go b/executor/aggregate.go index dcc2cb96e9ae5..d89a04073ee37 100644 --- a/executor/aggregate.go +++ b/executor/aggregate.go @@ -251,7 +251,9 @@ func (e *HashAggExec) Open(ctx context.Context) error { e.prepared = false e.memTracker = memory.NewTracker(e.id, -1) - e.memTracker.AttachTo(e.ctx.GetSessionVars().StmtCtx.MemTracker) + if e.ctx.GetSessionVars().TrackAggregateMemoryUsage { + e.memTracker.AttachTo(e.ctx.GetSessionVars().StmtCtx.MemTracker) + } if e.isUnparallelExec { e.initForUnparallelExec() @@ -1015,7 +1017,9 @@ func (e *StreamAggExec) Open(ctx context.Context) error { // bytesLimit <= 0 means no limit, for now we just track the memory footprint e.memTracker = memory.NewTracker(e.id, -1) - e.memTracker.AttachTo(e.ctx.GetSessionVars().StmtCtx.MemTracker) + if e.ctx.GetSessionVars().TrackAggregateMemoryUsage { + e.memTracker.AttachTo(e.ctx.GetSessionVars().StmtCtx.MemTracker) + } e.memTracker.Consume(e.childResult.MemoryUsage()) return nil } diff --git a/executor/executor_test.go b/executor/executor_test.go index d18b47ab9dc14..1eb5427357134 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -7152,6 +7152,25 @@ func (s *testSuite) Test15492(c *C) { tk.MustQuery("select a + 1 as field1, a as field2 from t order by field1, field2 limit 2").Check(testkit.Rows("2 1", "3 2")) } +func (s testSuite) TestTrackAggMemoryUsage(c *C) { + tk := testkit.NewTestKit(c, s.store) + + tk.MustExec("use test") + tk.MustExec("create table t(a int)") + tk.MustExec("insert into t values(1)") + + tk.MustExec("set tidb_track_aggregate_memory_usage = off;") + rows := tk.MustQuery("explain analyze select /*+ HASH_AGG() */ sum(a) from t").Rows() + c.Assert(rows[0][7], Equals, "N/A") + rows = tk.MustQuery("explain analyze select /*+ STREAM_AGG() */ sum(a) from t").Rows() + c.Assert(rows[0][7], Equals, "N/A") + tk.MustExec("set tidb_track_aggregate_memory_usage = on;") + rows = tk.MustQuery("explain analyze select /*+ HASH_AGG() */ sum(a) from t").Rows() + c.Assert(rows[0][7], Not(Equals), "N/A") + rows = tk.MustQuery("explain analyze select /*+ STREAM_AGG() */ sum(a) from t").Rows() + c.Assert(rows[0][7], Not(Equals), "N/A") +} + func (s *testSuite) Test12201(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/session/session.go b/session/session.go index 3a27feac86417..21d98b0a10662 100644 --- a/session/session.go +++ b/session/session.go @@ -2295,6 +2295,7 @@ var builtinGlobalVariable = []string{ variable.TiDBEnable1PC, variable.TiDBGuaranteeExternalConsistency, variable.TiDBAnalyzeVersion, + variable.TiDBTrackAggregateMemoryUsage, } var ( diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 0cc8a1b730f48..c94297ef8dfcf 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -773,6 +773,9 @@ type SessionVars struct { // AnalyzeVersion indicates how TiDB collect and use analyzed statistics. AnalyzeVersion int + + // TrackAggregateMemoryUsage indicates whether to track the memory usage of aggregate function. + TrackAggregateMemoryUsage bool } // CheckAndGetTxnScope will return the transaction scope we should use in the current session. @@ -1645,6 +1648,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.GuaranteeExternalConsistency = TiDBOptOn(val) case TiDBAnalyzeVersion: s.AnalyzeVersion = tidbOptPositiveInt32(val, DefTiDBAnalyzeVersion) + case TiDBTrackAggregateMemoryUsage: + s.TrackAggregateMemoryUsage = TiDBOptOn(val) } s.systems[name] = val return nil diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 2b97549270a73..44e1e100fb18c 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1159,6 +1159,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnable1PC, Value: BoolToOnOff(DefTiDBEnable1PC), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBGuaranteeExternalConsistency, Value: BoolToOnOff(DefTiDBGuaranteeExternalConsistency), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBAnalyzeVersion, Value: strconv.Itoa(DefTiDBAnalyzeVersion), Type: TypeInt, MinValue: 1, MaxValue: 2}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBTrackAggregateMemoryUsage, Value: BoolToOnOff(DefTiDBTrackAggregateMemoryUsage), Type: TypeBool}, } // SynonymsSysVariables is synonyms of system variables. diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index a221bbc22db7d..dd8089c6b2c48 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -495,6 +495,9 @@ const ( // TiDBAnalyzeVersion indicates the how tidb collects the analyzed statistics and how use to it. TiDBAnalyzeVersion = "tidb_analyze_version" + + // TiDBTrackAggregateMemoryUsage indicates whether track the memory usage of aggregate function. + TiDBTrackAggregateMemoryUsage = "tidb_track_aggregate_memory_usage" ) // Default TiDB system variable values. @@ -614,6 +617,7 @@ const ( DefTiDBEnable1PC = false DefTiDBGuaranteeExternalConsistency = false DefTiDBAnalyzeVersion = 1 + DefTiDBTrackAggregateMemoryUsage = false ) // Process global variables. From 608cc51d277f325efdfb0cde8a0851c96750288e Mon Sep 17 00:00:00 2001 From: dongyan <34701401+dyzsr@users.noreply.github.com> Date: Wed, 16 Dec 2020 16:53:35 +0800 Subject: [PATCH 0490/1021] types: report error for json object with key length >= 65536 (#21779) --- errno/errcode.go | 1 + errno/errname.go | 2 ++ errors.toml | 5 +++++ types/json/binary.go | 5 ++++- types/json/binary_functions.go | 36 +++++++++++++++++++++++++++++----- types/json/binary_test.go | 13 +++++++++++- types/json/constants.go | 2 ++ 7 files changed, 57 insertions(+), 7 deletions(-) diff --git a/errno/errcode.go b/errno/errcode.go index ecb29085b3a17..d62fac7114930 100644 --- a/errno/errcode.go +++ b/errno/errcode.go @@ -989,6 +989,7 @@ const ( ErrBRIEImportFailed = 8126 ErrBRIEExportFailed = 8127 ErrInvalidTableSample = 8128 + ErrJSONObjectKeyTooLong = 8129 // Error codes used by TiDB ddl package ErrUnsupportedDDLOperation = 8200 diff --git a/errno/errname.go b/errno/errname.go index 367569dcd46f2..20e9b2f595d90 100644 --- a/errno/errname.go +++ b/errno/errname.go @@ -1032,6 +1032,8 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrInvalidTableSample: mysql.Message("Invalid TABLESAMPLE: %s", nil), + ErrJSONObjectKeyTooLong: mysql.Message("TiDB does not yet support JSON objects with the key length >= 65536", nil), + ErrInvalidPlacementSpec: mysql.Message("Invalid placement policy '%s': %s", nil), ErrPlacementPolicyCheck: mysql.Message("Placement policy didn't meet the constraint, reason: %s", nil), diff --git a/errors.toml b/errors.toml index 6c3506eaaa2d2..d1ac96c61e276 100644 --- a/errors.toml +++ b/errors.toml @@ -1556,6 +1556,11 @@ error = ''' invalid week mode format: '%v' ''' +["types:8129"] +error = ''' +TiDB does not yet support JSON objects with the key length >= 65536 +''' + ["variable:1193"] error = ''' Unknown system variable '%-.64s' diff --git a/types/json/binary.go b/types/json/binary.go index 061d656e5cc13..80647dabe7e85 100644 --- a/types/json/binary.go +++ b/types/json/binary.go @@ -402,7 +402,7 @@ func ParseBinaryFromString(s string) (bj BinaryJSON, err error) { err = ErrInvalidJSONText.GenWithStackByArgs("The document root must not be followed by other values.") return } - if err = bj.UnmarshalJSON(data); err != nil { + if err = bj.UnmarshalJSON(data); err != nil && !ErrJSONObjectKeyTooLong.Equal(err) { err = ErrInvalidJSONText.GenWithStackByArgs(err) } return @@ -653,6 +653,9 @@ func appendBinaryObject(buf []byte, x map[string]interface{}) ([]byte, error) { keyEntryOff := keyEntryBegin + i*keyEntrySize keyOff := len(buf) - docOff keyLen := uint32(len(field.key)) + if keyLen > math.MaxUint16 { + return nil, ErrJSONObjectKeyTooLong + } endian.PutUint32(buf[keyEntryOff:], uint32(keyOff)) endian.PutUint16(buf[keyEntryOff+keyLenOff:], uint16(keyLen)) buf = append(buf, field.key...) diff --git a/types/json/binary_functions.go b/types/json/binary_functions.go index 30133c6e7b5ab..9f76ffb5d3d44 100644 --- a/types/json/binary_functions.go +++ b/types/json/binary_functions.go @@ -18,6 +18,7 @@ import ( "encoding/binary" "encoding/hex" "fmt" + "math" "sort" "unicode/utf8" @@ -316,7 +317,7 @@ func buildBinaryElements(buf []byte, entryStart int, elems []BinaryJSON) []byte return buf } -func buildBinaryObject(keys [][]byte, elems []BinaryJSON) BinaryJSON { +func buildBinaryObject(keys [][]byte, elems []BinaryJSON) (BinaryJSON, error) { totalSize := headerSize + len(elems)*(keyEntrySize+valEntrySize) for i, elem := range elems { if elem.TypeCode != TypeCodeLiteral { @@ -328,13 +329,16 @@ func buildBinaryObject(keys [][]byte, elems []BinaryJSON) BinaryJSON { endian.PutUint32(buf, uint32(len(elems))) endian.PutUint32(buf[dataSizeOff:], uint32(totalSize)) for i, key := range keys { + if len(key) > math.MaxUint16 { + return BinaryJSON{}, ErrJSONObjectKeyTooLong + } endian.PutUint32(buf[headerSize+i*keyEntrySize:], uint32(len(buf))) endian.PutUint16(buf[headerSize+i*keyEntrySize+keyLenOff:], uint16(len(key))) buf = append(buf, key...) } entryStart := headerSize + len(elems)*keyEntrySize buf = buildBinaryElements(buf, entryStart, elems) - return BinaryJSON{TypeCode: TypeCodeObject, Value: buf} + return BinaryJSON{TypeCode: TypeCodeObject, Value: buf}, nil } // Modify modifies a JSON object by insert, replace or set. @@ -362,6 +366,9 @@ func (bj BinaryJSON) Modify(pathExprList []PathExpression, values []BinaryJSON, case ModifySet: bj = modifier.set(pathExpr, value) } + if modifier.err != nil { + return BinaryJSON{}, modifier.err + } } return bj, nil } @@ -422,6 +429,9 @@ func (bj BinaryJSON) Remove(pathExprList []PathExpression) (BinaryJSON, error) { } modifer := &binaryModifier{bj: bj} bj = modifer.remove(pathExpr) + if modifer.err != nil { + return BinaryJSON{}, modifer.err + } } return bj, nil } @@ -430,6 +440,7 @@ type binaryModifier struct { bj BinaryJSON modifyPtr *byte modifyValue BinaryJSON + err error } func (bm *binaryModifier) set(path PathExpression, newBj BinaryJSON) BinaryJSON { @@ -441,6 +452,9 @@ func (bm *binaryModifier) set(path PathExpression, newBj BinaryJSON) BinaryJSON return bm.rebuild() } bm.doInsert(path, newBj) + if bm.err != nil { + return BinaryJSON{} + } return bm.rebuild() } @@ -462,6 +476,9 @@ func (bm *binaryModifier) insert(path PathExpression, newBj BinaryJSON) BinaryJS return bm.bj } bm.doInsert(path, newBj) + if bm.err != nil { + return BinaryJSON{} + } return bm.rebuild() } @@ -512,7 +529,8 @@ func (bm *binaryModifier) doInsert(path PathExpression, newBj BinaryJSON) { keys = append(keys, insertKey) elems = append(elems, newBj) } - bm.modifyValue = buildBinaryObject(keys, elems) + bm.modifyValue, bm.err = buildBinaryObject(keys, elems) + return } func (bm *binaryModifier) remove(path PathExpression) BinaryJSON { @@ -522,6 +540,9 @@ func (bm *binaryModifier) remove(path PathExpression) BinaryJSON { return bm.bj } bm.doRemove(path) + if bm.err != nil { + return BinaryJSON{} + } return bm.rebuild() } @@ -563,7 +584,8 @@ func (bm *binaryModifier) doRemove(path PathExpression) { elems = append(elems, parentBj.objectGetVal(i)) } } - bm.modifyValue = buildBinaryObject(keys, elems) + bm.modifyValue, bm.err = buildBinaryObject(keys, elems) + return } // rebuild merges the old and the modified JSON into a new BinaryJSON @@ -836,7 +858,11 @@ func mergeBinaryObject(objects []BinaryJSON) BinaryJSON { for i, key := range keys { values[i] = keyValMap[string(key)] } - return buildBinaryObject(keys, values) + binaryObject, err := buildBinaryObject(keys, values) + if err != nil { + panic("mergeBinaryObject should never panic, please contact the TiDB team for help") + } + return binaryObject } // PeekBytesAsJSON trys to peek some bytes from b, until diff --git a/types/json/binary_test.go b/types/json/binary_test.go index c557839febb64..bd375746a046c 100644 --- a/types/json/binary_test.go +++ b/types/json/binary_test.go @@ -15,6 +15,7 @@ package json import ( "math" + "strings" "testing" . "github.com/pingcap/check" @@ -351,7 +352,7 @@ func BenchmarkBinaryMarshal(b *testing.B) { b.SetBytes(int64(len(benchStr))) bj, _ := ParseBinaryFromString(benchStr) for i := 0; i < b.N; i++ { - bj.MarshalJSON() + _, _ = bj.MarshalJSON() } } @@ -405,6 +406,16 @@ func (s *testJSONSuite) TestGetKeys(c *C) { c.Assert(parsedBJ.GetKeys().String(), Equals, "[]") parsedBJ = mustParseBinaryFromString(c, "{}") c.Assert(parsedBJ.GetKeys().String(), Equals, "[]") + + b := strings.Builder{} + b.WriteString("{\"") + for i := 0; i < 65536; i++ { + b.WriteByte('a') + } + b.WriteString("\": 1}") + parsedBJ, err := ParseBinaryFromString(b.String()) + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "[types:8129]TiDB does not yet support JSON objects with the key length >= 65536") } func (s *testJSONSuite) TestBinaryJSONDepth(c *C) { diff --git a/types/json/constants.go b/types/json/constants.go index bb375884847cd..e0184b7301bbe 100644 --- a/types/json/constants.go +++ b/types/json/constants.go @@ -221,6 +221,8 @@ var ( ErrInvalidJSONPathArrayCell = dbterror.ClassJSON.NewStd(mysql.ErrInvalidJSONPathArrayCell) // ErrUnsupportedSecondArgumentType means unsupported second argument type in json_objectagg ErrUnsupportedSecondArgumentType = dbterror.ClassJSON.NewStd(mysql.ErrUnsupportedSecondArgumentType) + // ErrJSONObjectKeyTooLong means JSON object with key length >= 65536 which is not yet supported. + ErrJSONObjectKeyTooLong = dbterror.ClassTypes.NewStdErr(mysql.ErrJSONObjectKeyTooLong, mysql.MySQLErrName[mysql.ErrJSONObjectKeyTooLong]) ) // json_contains_path function type choices From 040a03229e97ea2407766571d9a30f420ce33cf0 Mon Sep 17 00:00:00 2001 From: xufei Date: Wed, 16 Dec 2020 20:03:35 +0800 Subject: [PATCH 0491/1021] test: fix potential data race in mpp mock test (#21836) --- store/mockstore/unistore/cophandler/mpp.go | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/store/mockstore/unistore/cophandler/mpp.go b/store/mockstore/unistore/cophandler/mpp.go index 9fe72bf57d5c4..8bfdd2ed3aefc 100644 --- a/store/mockstore/unistore/cophandler/mpp.go +++ b/store/mockstore/unistore/cophandler/mpp.go @@ -15,6 +15,7 @@ package cophandler import ( "context" + "sync" "time" "github.com/pingcap/errors" @@ -46,7 +47,8 @@ const ( // MPPTaskHandler exists in a single store. type MPPTaskHandler struct { // When a connect request comes, it contains server task (source) and client task (target), Exchanger dataCh set will find dataCh by client task. - TunnelSet map[int64]*ExchangerTunnel + tunnelSetLock sync.Mutex + TunnelSet map[int64]*ExchangerTunnel Meta *mpp.TaskMeta RPCClient client.Client @@ -99,7 +101,10 @@ func (h *MPPTaskHandler) run(ctx context.Context, addr string, req *tikvrpc.Requ func (h *MPPTaskHandler) HandleEstablishConn(_ context.Context, req *mpp.EstablishMPPConnectionRequest) (*ExchangerTunnel, error) { meta := req.ReceiverMeta for i := 0; i < 10; i++ { - if tunnel, ok := h.TunnelSet[meta.TaskId]; ok { + h.tunnelSetLock.Lock() + tunnel, ok := h.TunnelSet[meta.TaskId] + h.tunnelSetLock.Unlock() + if ok { return tunnel, nil } time.Sleep(time.Second) @@ -109,6 +114,8 @@ func (h *MPPTaskHandler) HandleEstablishConn(_ context.Context, req *mpp.Establi func (h *MPPTaskHandler) registerTunnel(tunnel *ExchangerTunnel) error { taskID := tunnel.targetTask.TaskId + h.tunnelSetLock.Lock() + defer h.tunnelSetLock.Unlock() _, ok := h.TunnelSet[taskID] if ok { return errors.Errorf("task id %d has been registered", taskID) From a5a3aeb2b8e10a1dd0cbfc32f92b80af9dd4437c Mon Sep 17 00:00:00 2001 From: Chengpeng Yan <41809508+Reminiscent@users.noreply.github.com> Date: Thu, 17 Dec 2020 10:19:56 +0800 Subject: [PATCH 0492/1021] planner: construct the EqOrIn condition based on the column (#21812) --- util/ranger/detacher.go | 2 +- util/ranger/ranger.go | 22 ++++++---------------- util/ranger/ranger_test.go | 16 ++++++++++++++++ 3 files changed, 23 insertions(+), 17 deletions(-) diff --git a/util/ranger/detacher.go b/util/ranger/detacher.go index f87201cd0477d..51fc68f1615b2 100644 --- a/util/ranger/detacher.go +++ b/util/ranger/detacher.go @@ -388,7 +388,7 @@ func ExtractEqAndInCondition(sctx sessionctx.Context, conditions []expression.Ex } continue } - accesses[i] = points2EqOrInCond(sctx, points[i], mergedAccesses[i]) + accesses[i] = points2EqOrInCond(sctx, points[i], cols[i]) newConditions = append(newConditions, accesses[i]) } for i, cond := range accesses { diff --git a/util/ranger/ranger.go b/util/ranger/ranger.go index 3a1ab70c5ab0b..2f815237f82dc 100644 --- a/util/ranger/ranger.go +++ b/util/ranger/ranger.go @@ -525,25 +525,15 @@ func newFieldType(tp *types.FieldType) *types.FieldType { } // points2EqOrInCond constructs a 'EQUAL' or 'IN' scalar function based on the -// 'points'. The target column is extracted from the 'expr'. +// 'points'. `col` is the target column to construct the Equal or In condition. // NOTE: -// 1. 'expr' must be either 'EQUAL' or 'IN' function. -// 2. 'points' should not be empty. -func points2EqOrInCond(ctx sessionctx.Context, points []point, expr expression.Expression) expression.Expression { +// 1. 'points' should not be empty. +func points2EqOrInCond(ctx sessionctx.Context, points []point, col *expression.Column) expression.Expression { // len(points) cannot be 0 here, since we impose early termination in ExtractEqAndInCondition - sf, _ := expr.(*expression.ScalarFunction) // Constant and Column args should have same RetType, simply get from first arg - retType := sf.GetArgs()[0].GetType() + retType := col.GetType() args := make([]expression.Expression, 0, len(points)/2) - if sf.FuncName.L == ast.EQ { - if c, ok := sf.GetArgs()[0].(*expression.Column); ok { - args = append(args, c) - } else if c, ok := sf.GetArgs()[1].(*expression.Column); ok { - args = append(args, c) - } - } else { - args = append(args, sf.GetArgs()[0]) - } + args = append(args, col) for i := 0; i < len(points); i = i + 2 { value := &expression.Constant{ Value: points[i].value, @@ -555,7 +545,7 @@ func points2EqOrInCond(ctx sessionctx.Context, points []point, expr expression.E if len(args) > 2 { funcName = ast.In } - return expression.NewFunctionInternal(ctx, funcName, sf.GetType(), args...) + return expression.NewFunctionInternal(ctx, funcName, col.GetType(), args...) } // DetachCondAndBuildRangeForPartition will detach the index filters from table filters. diff --git a/util/ranger/ranger_test.go b/util/ranger/ranger_test.go index 1799862f9c8d9..4a604c10e958a 100644 --- a/util/ranger/ranger_test.go +++ b/util/ranger/ranger_test.go @@ -816,6 +816,22 @@ func (s *testRangerSuite) TestColumnRange(c *C) { resultStr string length int }{ + { + colPos: 0, + exprStr: "(a = 2 or a = 2) and (a = 2 or a = 2)", + accessConds: "[or(eq(test.t.a, 2), eq(test.t.a, 2)) or(eq(test.t.a, 2), eq(test.t.a, 2))]", + filterConds: "[]", + resultStr: "[[2,2]]", + length: types.UnspecifiedLength, + }, + { + colPos: 0, + exprStr: "(a = 2 or a = 1) and (a = 3 or a = 4)", + accessConds: "[or(eq(test.t.a, 2), eq(test.t.a, 1)) or(eq(test.t.a, 3), eq(test.t.a, 4))]", + filterConds: "[]", + resultStr: "[]", + length: types.UnspecifiedLength, + }, { colPos: 0, exprStr: "a = 1 and b > 1", From f6885c5d6d8ef16f170e4d0740cbe8ca137d673e Mon Sep 17 00:00:00 2001 From: Arenatlx Date: Thu, 17 Dec 2020 10:39:31 +0800 Subject: [PATCH 0493/1021] ddl: add atomic value with element for async read by daemon-worker in reorg job (#21605) --- ddl/column.go | 4 ++++ ddl/reorg.go | 28 +++++++++++++++++++++------- ddl/reorg_test.go | 2 +- 3 files changed, 26 insertions(+), 8 deletions(-) diff --git a/ddl/column.go b/ddl/column.go index 5c01bf153b233..784cb14290a65 100644 --- a/ddl/column.go +++ b/ddl/column.go @@ -1119,6 +1119,10 @@ func (w *worker) updateColumnAndIndexes(t table.Table, oldCol, col *model.Column reorgInfo.StartKey, reorgInfo.EndKey = originalStartHandle, originalEndHandle } + // Update the element in the reorgCtx to keep the atomic access for daemon-worker. + w.reorgCtx.setCurrentElement(reorgInfo.elements[i+1]) + + // Update the element in the reorgInfo for updating the reorg meta below. reorgInfo.currElement = reorgInfo.elements[i+1] // Write the reorg info to store so the whole reorganize process can recover from panic. err := reorgInfo.UpdateReorgMeta(reorgInfo.StartKey) diff --git a/ddl/reorg.go b/ddl/reorg.go index 67e50381be1dc..1fcba343445d1 100644 --- a/ddl/reorg.go +++ b/ddl/reorg.go @@ -66,6 +66,10 @@ type reorgCtx struct { doneKey atomic.Value // nullable kv.Key + // element is used to record the current element in the reorg process, it can be + // accessed by reorg-worker and daemon-worker concurrently. + element atomic.Value + // warnings is used to store the warnings when doing the reorg job under // a certain SQL Mode. mu struct { @@ -123,6 +127,10 @@ func (rc *reorgCtx) setNextKey(doneKey kv.Key) { rc.doneKey.Store(nullableKey{key: doneKey}) } +func (rc *reorgCtx) setCurrentElement(element *meta.Element) { + rc.element.Store(element) +} + func (rc *reorgCtx) mergeWarnings(warnings map[errors.ErrorID]*terror.Error, warningsCount map[errors.ErrorID]int64) { if len(warnings) == 0 || len(warningsCount) == 0 { return @@ -143,10 +151,11 @@ func (rc *reorgCtx) increaseRowCount(count int64) { atomic.AddInt64(&rc.rowCount, count) } -func (rc *reorgCtx) getRowCountAndKey() (int64, kv.Key) { +func (rc *reorgCtx) getRowCountAndKey() (int64, kv.Key, *meta.Element) { row := atomic.LoadInt64(&rc.rowCount) h, _ := (rc.doneKey.Load()).(nullableKey) - return row, h.key + element, _ := (rc.element.Load()).(*meta.Element) + return row, h.key, element } func (rc *reorgCtx) clean() { @@ -185,6 +194,7 @@ func (w *worker) runReorgJob(t *meta.Meta, reorgInfo *reorgInfo, tblInfo *model. // initial reorgCtx w.reorgCtx.setRowCount(job.GetRowCount()) w.reorgCtx.setNextKey(reorgInfo.StartKey) + w.reorgCtx.setCurrentElement(reorgInfo.currElement) w.reorgCtx.mu.warnings = make(map[errors.ErrorID]*terror.Error) w.reorgCtx.mu.warningsCount = make(map[errors.ErrorID]int64) go func() { @@ -206,7 +216,7 @@ func (w *worker) runReorgJob(t *meta.Meta, reorgInfo *reorgInfo, tblInfo *model. // wait reorganization job done or timeout select { case err := <-w.reorgCtx.doneCh: - rowCount, _ := w.reorgCtx.getRowCountAndKey() + rowCount, _, _ := w.reorgCtx.getRowCountAndKey() logutil.BgLogger().Info("[ddl] run reorg job done", zap.Int64("handled rows", rowCount)) // Update a job's RowCount. job.SetRowCount(rowCount) @@ -237,7 +247,7 @@ func (w *worker) runReorgJob(t *meta.Meta, reorgInfo *reorgInfo, tblInfo *model. // We return errWaitReorgTimeout here too, so that outer loop will break. return errWaitReorgTimeout case <-time.After(waitTimeout): - rowCount, doneKey := w.reorgCtx.getRowCountAndKey() + rowCount, doneKey, currentElement := w.reorgCtx.getRowCountAndKey() // Update a job's RowCount. job.SetRowCount(rowCount) updateBackfillProgress(w, reorgInfo, tblInfo, rowCount) @@ -246,12 +256,16 @@ func (w *worker) runReorgJob(t *meta.Meta, reorgInfo *reorgInfo, tblInfo *model. w.mergeWarningsIntoJob(job) w.reorgCtx.resetWarnings() + // Update a reorgInfo's handle. - err := t.UpdateDDLReorgStartHandle(job, reorgInfo.currElement, doneKey) + // Since daemon-worker is triggered by timer to store the info half-way. + // you should keep these infos is read-only (like job) / atomic (like doneKey & element) / concurrent safe. + err := t.UpdateDDLReorgStartHandle(job, currentElement, doneKey) + logutil.BgLogger().Info("[ddl] run reorg job wait timeout", zap.Duration("waitTime", waitTimeout), - zap.ByteString("elementType", reorgInfo.currElement.TypeKey), - zap.Int64("elementID", reorgInfo.currElement.ID), + zap.ByteString("elementType", currentElement.TypeKey), + zap.Int64("elementID", currentElement.ID), zap.Int64("totalAddedRowCount", rowCount), zap.String("doneKey", tryDecodeToHandleString(doneKey)), zap.Error(err)) diff --git a/ddl/reorg_test.go b/ddl/reorg_test.go index f0c97be9740de..7e44e5cad02b1 100644 --- a/ddl/reorg_test.go +++ b/ddl/reorg_test.go @@ -116,7 +116,7 @@ func (s *testDDLSuite) TestReorg(c *C) { c.Assert(err1, IsNil) c.Assert(info.StartKey, DeepEquals, kv.Key(handle.Encoded())) c.Assert(info.currElement, DeepEquals, e) - _, doneHandle := d.generalWorker().reorgCtx.getRowCountAndKey() + _, doneHandle, _ := d.generalWorker().reorgCtx.getRowCountAndKey() c.Assert(doneHandle, IsNil) break } From a42aa31dc9957a1189d8cb68b45fcbb54f702e31 Mon Sep 17 00:00:00 2001 From: crazycs Date: Thu, 17 Dec 2020 11:19:35 +0800 Subject: [PATCH 0494/1021] executor: add auto_random, auto_increment, generated column, global index test for list (columns) partition (#21725) Signed-off-by: crazycs520 --- executor/write_test.go | 271 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 271 insertions(+) diff --git a/executor/write_test.go b/executor/write_test.go index 9e634629314c5..520d08df4542a 100644 --- a/executor/write_test.go +++ b/executor/write_test.go @@ -17,11 +17,13 @@ import ( "context" "errors" "fmt" + "strconv" "sync" . "github.com/pingcap/check" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" + "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/executor" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/planner/core" @@ -29,6 +31,7 @@ import ( "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/store/mockstore" + "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/table/tables" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/collate" @@ -3503,6 +3506,274 @@ func (s *testSuite4) TestWriteListPartitionTableIssue21437(c *C) { c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value NULL") } +func (s *testSuite4) TestListPartitionWithAutoRandom(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("drop table if exists t") + tk.MustExec(`create table t (a bigint key auto_random (3), b int) partition by list (a%5) (partition p0 values in (0,1,2), partition p1 values in (3,4));`) + tk.MustExec("set @@allow_auto_random_explicit_insert = true") + tk.MustExec("replace into t values (1,1)") + result := []string{"1"} + for i := 2; i < 100; i++ { + sql := fmt.Sprintf("insert into t (b) values (%v)", i) + tk.MustExec(sql) + result = append(result, strconv.Itoa(i)) + } + tk.MustQuery("select b from t order by b").Check(testkit.Rows(result...)) + tk.MustExec("update t set b=b+1 where a=1") + tk.MustQuery("select b from t where a=1").Check(testkit.Rows("2")) + tk.MustExec("update t set b=b+1 where a<2") + tk.MustQuery("select b from t where a<2").Check(testkit.Rows("3")) + tk.MustExec("insert into t values (1, 1) on duplicate key update b=b+1") + tk.MustQuery("select b from t where a=1").Check(testkit.Rows("4")) +} + +func (s *testSuite4) TestListPartitionWithAutoIncrement(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("drop table if exists t") + tk.MustExec(`create table t (a bigint key auto_increment, b int) partition by list (a%5) (partition p0 values in (0,1,2), partition p1 values in (3,4));`) + tk.MustExec("set @@allow_auto_random_explicit_insert = true") + tk.MustExec("replace into t values (1,1)") + result := []string{"1"} + for i := 2; i < 100; i++ { + sql := fmt.Sprintf("insert into t (b) values (%v)", i) + tk.MustExec(sql) + result = append(result, strconv.Itoa(i)) + } + tk.MustQuery("select b from t order by b").Check(testkit.Rows(result...)) + tk.MustExec("update t set b=b+1 where a=1") + tk.MustQuery("select b from t where a=1").Check(testkit.Rows("2")) + tk.MustExec("update t set b=b+1 where a<2") + tk.MustQuery("select b from t where a<2").Check(testkit.Rows("3")) + tk.MustExec("insert into t values (1, 1) on duplicate key update b=b+1") + tk.MustQuery("select b from t where a=1").Check(testkit.Rows("4")) +} + +func (s *testSuite4) TestListPartitionWithGeneratedColumn(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@session.tidb_enable_table_partition = 1") + // Test for generated column with bigint type. + tableDefs := []string{ + // Test for virtual generated column for list partition + `create table t (a bigint, b bigint GENERATED ALWAYS AS (3*a - 2*a) VIRTUAL, index idx(a)) partition by list (5*b - 4*b) (partition p0 values in (1,2,3,4,5), partition p1 values in (6,7,8,9,10));`, + // Test for stored generated column for list partition + `create table t (a bigint, b bigint GENERATED ALWAYS AS (3*a - 2*a) STORED, index idx(a)) partition by list (5*b - 4*b) (partition p0 values in (1,2,3,4,5), partition p1 values in (6,7,8,9,10));`, + // Test for virtual generated column for list columns partition + `create table t (a bigint, b bigint GENERATED ALWAYS AS (3*a - 2*a) VIRTUAL, index idx(a)) partition by list columns(b) (partition p0 values in (1,2,3,4,5), partition p1 values in (6,7,8,9,10));`, + // Test for stored generated column for list columns partition + `create table t (a bigint, b bigint GENERATED ALWAYS AS (3*a - 2*a) STORED, index idx(a)) partition by list columns(b) (partition p0 values in (1,2,3,4,5), partition p1 values in (6,7,8,9,10));`, + } + for _, tbl := range tableDefs { + tk.MustExec("drop table if exists t") + tk.MustExec(tbl) + // Test for insert + tk.MustExec("insert into t (a) values (1),(3),(5),(7),(9)") + tk.MustQuery("select a from t partition (p0) order by a").Check(testkit.Rows("1", "3", "5")) + tk.MustQuery("select a from t partition (p1) order by a").Check(testkit.Rows("7", "9")) + tk.MustQuery("select * from t where a = 1").Check(testkit.Rows("1 1")) + // Test for update + tk.MustExec("update t set a=a+1 where a = 1") + tk.MustQuery("select a from t partition (p0) order by a").Check(testkit.Rows("2", "3", "5")) + tk.MustQuery("select a from t partition (p1) order by a").Check(testkit.Rows("7", "9")) + tk.MustQuery("select * from t where a = 1").Check(testkit.Rows()) + tk.MustQuery("select * from t where a = 2").Check(testkit.Rows("2 2")) + // Test for delete + tk.MustExec("delete from t where a>10") + tk.MustQuery("select count(1) from t").Check(testkit.Rows("5")) + tk.MustExec("delete from t where a=9") + tk.MustQuery("select a from t partition (p1) order by a").Check(testkit.Rows("7")) + tk.MustQuery("select count(1) from t").Check(testkit.Rows("4")) + + // Test for insert meet no partition error + _, err := tk.Exec("insert into t (a) values (11)") + c.Assert(table.ErrNoPartitionForGivenValue.Equal(err), IsTrue) + // Test for update meet no partition error + _, err = tk.Exec("update t set a=a+10 where a = 2") + c.Assert(table.ErrNoPartitionForGivenValue.Equal(err), IsTrue) + } +} + +func (s *testSuite4) TestListPartitionWithGeneratedColumn1(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@session.tidb_enable_table_partition = 1") + // Test for generated column with year type. + tableDefs := []string{ + // Test for virtual generated column for list partition + `create table t (a year, b year GENERATED ALWAYS AS (3*a - 2*a) VIRTUAL, index idx(a)) partition by list (1 + b - 1) (partition p0 values in (2001,2002,2003,2004,2005), partition p1 values in (2006,2007,2008,2009));`, + // Test for stored generated column for list partition + `create table t (a year, b year GENERATED ALWAYS AS (3*a - 2*a) STORED, index idx(a)) partition by list (1 + b - 1) (partition p0 values in (2001,2002,2003,2004,2005), partition p1 values in (2006,2007,2008,2009));`, + } + for _, tbl := range tableDefs { + tk.MustExec("drop table if exists t") + tk.MustExec(tbl) + // Test for insert + tk.MustExec("insert into t (a) values (1),(3),(5),(7),(9)") + tk.MustQuery("select a from t partition (p0) order by a").Check(testkit.Rows("2001", "2003", "2005")) + tk.MustQuery("select a from t partition (p1) order by a").Check(testkit.Rows("2007", "2009")) + tk.MustQuery("select * from t where a = 1").Check(testkit.Rows("2001 2001")) + // Test for update + tk.MustExec("update t set a=a+1 where a = 1") + tk.MustQuery("select a from t partition (p0) order by a").Check(testkit.Rows("2002", "2003", "2005")) + tk.MustQuery("select a from t partition (p1) order by a").Check(testkit.Rows("2007", "2009")) + tk.MustQuery("select * from t where a = 1").Check(testkit.Rows()) + tk.MustQuery("select * from t where a = 2").Check(testkit.Rows("2002 2002")) + // Test for delete + tk.MustExec("delete from t where a>10") + tk.MustQuery("select count(1) from t").Check(testkit.Rows("5")) + tk.MustExec("delete from t where a=9") + tk.MustQuery("select a from t partition (p1) order by a").Check(testkit.Rows("2007")) + tk.MustQuery("select count(1) from t").Check(testkit.Rows("4")) + + // Test for insert meet no partition error + _, err := tk.Exec("insert into t (a) values (11)") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value 2011") + // Test for update meet no partition error + _, err = tk.Exec("update t set a=a+10 where a = 2") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value 2012") + + tk.MustExec("delete from t") + + // Test for insert + tk.MustExec("insert into t (a) values (2001),(2003),(2005),(2007),(2009)") + tk.MustQuery("select a from t partition (p0) order by a").Check(testkit.Rows("2001", "2003", "2005")) + tk.MustQuery("select a from t partition (p1) order by a").Check(testkit.Rows("2007", "2009")) + tk.MustQuery("select * from t where a = 2001").Check(testkit.Rows("2001 2001")) + // Test for update + tk.MustExec("update t set a=a+1 where a = 2001") + tk.MustQuery("select a from t partition (p0) order by a").Check(testkit.Rows("2002", "2003", "2005")) + tk.MustQuery("select a from t partition (p1) order by a").Check(testkit.Rows("2007", "2009")) + tk.MustQuery("select * from t where a = 2001").Check(testkit.Rows()) + tk.MustQuery("select * from t where a = 2002").Check(testkit.Rows("2002 2002")) + // Test for delete + tk.MustExec("delete from t where a>2010") + tk.MustQuery("select count(1) from t").Check(testkit.Rows("5")) + tk.MustExec("delete from t where a=2009") + tk.MustQuery("select a from t partition (p1) order by a").Check(testkit.Rows("2007")) + tk.MustQuery("select count(1) from t").Check(testkit.Rows("4")) + + // Test for insert meet no partition error + _, err = tk.Exec("insert into t (a) values (2011)") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value 2011") + // Test for update meet no partition error + _, err = tk.Exec("update t set a=a+10 where a = 2002") + c.Assert(err.Error(), Equals, "[table:1526]Table has no partition for value 2012") + } +} + +func (s *testSuite4) TestListPartitionWithGeneratedColumn2(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tableDefs := []string{ + // Test for virtual generated column for datetime type in list partition. + `create table t (a datetime, b bigint GENERATED ALWAYS AS (to_seconds(a)) VIRTUAL, index idx(a)) partition by list (1 + b - 1) ( + partition p0 values in (to_seconds('2020-09-28 17:03:38'),to_seconds('2020-09-28 17:03:39')), + partition p1 values in (to_seconds('2020-09-28 17:03:40'),to_seconds('2020-09-28 17:03:41')));`, + // Test for stored generated column for datetime type in list partition. + `create table t (a datetime, b bigint GENERATED ALWAYS AS (to_seconds(a)) STORED, index idx(a)) partition by list (1 + b - 1) ( + partition p0 values in (to_seconds('2020-09-28 17:03:38'),to_seconds('2020-09-28 17:03:39')), + partition p1 values in (to_seconds('2020-09-28 17:03:40'),to_seconds('2020-09-28 17:03:41')));`, + // Test for virtual generated column for timestamp type in list partition. + `create table t (a timestamp, b bigint GENERATED ALWAYS AS (to_seconds(a)) VIRTUAL, index idx(a)) partition by list (1 + b - 1) ( + partition p0 values in (to_seconds('2020-09-28 17:03:38'),to_seconds('2020-09-28 17:03:39')), + partition p1 values in (to_seconds('2020-09-28 17:03:40'),to_seconds('2020-09-28 17:03:41')));`, + // Test for stored generated column for timestamp type in list partition. + `create table t (a timestamp, b bigint GENERATED ALWAYS AS (to_seconds(a)) STORED, index idx(a)) partition by list (1 + b - 1) ( + partition p0 values in (to_seconds('2020-09-28 17:03:38'),to_seconds('2020-09-28 17:03:39')), + partition p1 values in (to_seconds('2020-09-28 17:03:40'),to_seconds('2020-09-28 17:03:41')));`, + // Test for virtual generated column for timestamp type in list columns partition. + `create table t (a timestamp, b bigint GENERATED ALWAYS AS (to_seconds(a)) VIRTUAL, index idx(a)) partition by list columns(b) ( + partition p0 values in (to_seconds('2020-09-28 17:03:38'),to_seconds('2020-09-28 17:03:39')), + partition p1 values in (to_seconds('2020-09-28 17:03:40'),to_seconds('2020-09-28 17:03:41')));`, + // Test for stored generated column for timestamp type in list columns partition. + `create table t (a timestamp, b bigint GENERATED ALWAYS AS (to_seconds(a)) STORED, index idx(a)) partition by list columns(b) ( + partition p0 values in (to_seconds('2020-09-28 17:03:38'),to_seconds('2020-09-28 17:03:39')), + partition p1 values in (to_seconds('2020-09-28 17:03:40'),to_seconds('2020-09-28 17:03:41')));`, + } + for _, tbl := range tableDefs { + tk.MustExec("drop table if exists t") + tk.MustExec(tbl) + tk.MustExec("insert into t (a) values ('2020-09-28 17:03:38'),('2020-09-28 17:03:40')") + tk.MustQuery("select a from t partition (p0)").Check(testkit.Rows("2020-09-28 17:03:38")) + tk.MustQuery("select a from t where a = '2020-09-28 17:03:40'").Check(testkit.Rows("2020-09-28 17:03:40")) + tk.MustExec("update t set a='2020-09-28 17:03:41' where a = '2020-09-28 17:03:38'") + tk.MustQuery("select a from t partition (p0)").Check(testkit.Rows()) + tk.MustQuery("select a from t partition (p1) order by a").Check(testkit.Rows("2020-09-28 17:03:40", "2020-09-28 17:03:41")) + } +} + +func (s *testSuite4) TestListColumnsPartitionWithGeneratedColumn(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@session.tidb_enable_table_partition = 1") + // Test for generated column with substr expression. + tableDefs := []string{ + // Test for virtual generated column + `create table t (a varchar(10), b varchar(1) GENERATED ALWAYS AS (substr(a,1,1)) VIRTUAL, index idx(a)) partition by list columns(b) (partition p0 values in ('a','c'), partition p1 values in ('b','d'));`, + // Test for stored generated column + `create table t (a varchar(10), b varchar(1) GENERATED ALWAYS AS (substr(a,1,1)) STORED, index idx(a)) partition by list columns(b) (partition p0 values in ('a','c'), partition p1 values in ('b','d'));`, + } + for _, tbl := range tableDefs { + tk.MustExec("drop table if exists t") + tk.MustExec(tbl) + tk.MustExec("insert into t (a) values ('aaa'),('abc'),('acd')") + tk.MustQuery("select a from t partition (p0) order by a").Check(testkit.Rows("aaa", "abc", "acd")) + tk.MustQuery("select * from t where a = 'abc' order by a").Check(testkit.Rows("abc a")) + tk.MustExec("update t set a='bbb' where a = 'aaa'") + tk.MustQuery("select a from t partition (p0) order by a").Check(testkit.Rows("abc", "acd")) + tk.MustQuery("select a from t partition (p1) order by a").Check(testkit.Rows("bbb")) + tk.MustQuery("select * from t where a = 'bbb' order by a").Check(testkit.Rows("bbb b")) + } +} + +func (s *testSerialSuite2) TestListColumnsPartitionWithGlobalIndex(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@session.tidb_enable_table_partition = 1") + // Test generated column with global index + restoreConfig := config.RestoreFunc() + defer restoreConfig() + config.UpdateGlobal(func(conf *config.Config) { + conf.EnableGlobalIndex = true + }) + tableDefs := []string{ + // Test for virtual generated column with global index + `create table t (a varchar(10), b varchar(1) GENERATED ALWAYS AS (substr(a,1,1)) VIRTUAL) partition by list columns(b) (partition p0 values in ('a','c'), partition p1 values in ('b','d'));`, + // Test for stored generated column with global index + `create table t (a varchar(10), b varchar(1) GENERATED ALWAYS AS (substr(a,1,1)) STORED) partition by list columns(b) (partition p0 values in ('a','c'), partition p1 values in ('b','d'));`, + } + for _, tbl := range tableDefs { + tk.MustExec("drop table if exists t") + tk.MustExec(tbl) + tk.MustExec("alter table t add unique index (a)") + tk.MustExec("insert into t (a) values ('aaa'),('abc'),('acd')") + tk.MustQuery("select a from t partition (p0) order by a").Check(testkit.Rows("aaa", "abc", "acd")) + tk.MustQuery("select * from t where a = 'abc' order by a").Check(testkit.Rows("abc a")) + tk.MustExec("update t set a='bbb' where a = 'aaa'") + tk.MustExec("admin check table t") + tk.MustQuery("select a from t order by a").Check(testkit.Rows("abc", "acd", "bbb")) + // TODO: fix below test. + //tk.MustQuery("select a from t partition (p0) order by a").Check(testkit.Rows("abc", "acd")) + //tk.MustQuery("select a from t partition (p1) order by a").Check(testkit.Rows("bbb")) + tk.MustQuery("select * from t where a = 'bbb' order by a").Check(testkit.Rows("bbb b")) + // Test insert meet duplicate error. + _, err := tk.Exec("insert into t (a) values ('abc')") + c.Assert(err, NotNil) + // Test insert on duplicate update + tk.MustExec("insert into t (a) values ('abc') on duplicate key update a='bbc'") + tk.MustQuery("select a from t order by a").Check(testkit.Rows("acd", "bbb", "bbc")) + tk.MustQuery("select * from t where a = 'bbc'").Check(testkit.Rows("bbc b")) + // TODO: fix below test. + //tk.MustQuery("select a from t partition (p0) order by a").Check(testkit.Rows("acd")) + //tk.MustQuery("select a from t partition (p1) order by a").Check(testkit.Rows("bbb", "bbc")) + } +} + func (s *testSerialSuite) TestIssue20724(c *C) { collate.SetNewCollationEnabledForTest(true) defer collate.SetNewCollationEnabledForTest(false) From 46fa1628896fce4e30d990b9508479bc7e3add2b Mon Sep 17 00:00:00 2001 From: Zhuomin Liu Date: Thu, 17 Dec 2020 13:44:05 +0800 Subject: [PATCH 0495/1021] expression: do not report error when got unknown locale (#21818) Signed-off-by: lzmhhh123 --- expression/builtin_string.go | 4 +++- expression/builtin_string_test.go | 10 ++++++---- expression/builtin_string_vec.go | 18 ++++++++---------- expression/integration_test.go | 10 +++------- 4 files changed, 20 insertions(+), 22 deletions(-) diff --git a/expression/builtin_string.go b/expression/builtin_string.go index 44406b801d426..a626330500d3b 100644 --- a/expression/builtin_string.go +++ b/expression/builtin_string.go @@ -3370,8 +3370,10 @@ func (b *builtinFormatWithLocaleSig) evalString(row chunk.Row) (string, bool, er } if isNull { b.ctx.GetSessionVars().StmtCtx.AppendWarning(errUnknownLocale.GenWithStackByArgs("NULL")) - locale = "en_US" + } else if !strings.EqualFold(locale, "en_US") { // TODO: support other locales. + b.ctx.GetSessionVars().StmtCtx.AppendWarning(errUnknownLocale.GenWithStackByArgs(locale)) } + locale = "en_US" formatString, err := mysql.GetLocaleFormatFunction(locale)(x, d) return formatString, false, err } diff --git a/expression/builtin_string_test.go b/expression/builtin_string_test.go index 497dca21872fd..57eb867ab6498 100644 --- a/expression/builtin_string_test.go +++ b/expression/builtin_string_test.go @@ -1770,13 +1770,13 @@ func (s *testEvaluatorSuite) TestFormat(c *C) { precision interface{} locale string ret interface{} - }{-12332.123456, -4, "zh_CN", nil} + }{-12332.123456, -4, "zh_CN", "-12,332"} formatTests3 := struct { number interface{} precision interface{} locale string ret interface{} - }{"-12332.123456", "4", "de_GE", nil} + }{"-12332.123456", "4", "de_GE", "-12,332.1235"} formatTests4 := struct { number interface{} precision interface{} @@ -1835,8 +1835,10 @@ func (s *testEvaluatorSuite) TestFormat(c *C) { c.Assert(err, IsNil) c.Assert(r4, testutil.DatumEquals, types.NewDatum(formatTests4.ret)) warnings := s.ctx.GetSessionVars().StmtCtx.GetWarnings() - c.Assert(len(warnings), Equals, 1) - c.Assert(terror.ErrorEqual(errUnknownLocale, warnings[0].Err), IsTrue) + c.Assert(len(warnings), Equals, 3) + for i := 0; i < 3; i++ { + c.Assert(terror.ErrorEqual(errUnknownLocale, warnings[i].Err), IsTrue) + } s.ctx.GetSessionVars().StmtCtx.SetWarnings([]stmtctx.SQLWarn{}) } diff --git a/expression/builtin_string_vec.go b/expression/builtin_string_vec.go index 76fd31b658361..c5511cc2cdeb9 100644 --- a/expression/builtin_string_vec.go +++ b/expression/builtin_string_vec.go @@ -2864,16 +2864,15 @@ func formatDecimal(sctx sessionctx.Context, xBuf *chunk.Column, dInt64s []int64, d = formatMaxDecimals } - var locale string + locale := "en_US" if localeBuf == nil { // FORMAT(x, d) - locale = "en_US" } else if localeBuf.IsNull(i) { // FORMAT(x, d, NULL) sctx.GetSessionVars().StmtCtx.AppendWarning(errUnknownLocale.GenWithStackByArgs("NULL")) - locale = "en_US" - } else { - locale = localeBuf.GetString(i) + } else if !strings.EqualFold(localeBuf.GetString(i), "en_US") { + // TODO: support other locales. + sctx.GetSessionVars().StmtCtx.AppendWarning(errUnknownLocale.GenWithStackByArgs(localeBuf.GetString(i))) } xStr := roundFormatArgs(x.String(), int(d)) @@ -2905,16 +2904,15 @@ func formatReal(sctx sessionctx.Context, xBuf *chunk.Column, dInt64s []int64, re d = formatMaxDecimals } - var locale string + locale := "en_US" if localeBuf == nil { // FORMAT(x, d) - locale = "en_US" } else if localeBuf.IsNull(i) { // FORMAT(x, d, NULL) sctx.GetSessionVars().StmtCtx.AppendWarning(errUnknownLocale.GenWithStackByArgs("NULL")) - locale = "en_US" - } else { - locale = localeBuf.GetString(i) + } else if !strings.EqualFold(localeBuf.GetString(i), "en_US") { + // TODO: support other locales. + sctx.GetSessionVars().StmtCtx.AppendWarning(errUnknownLocale.GenWithStackByArgs(localeBuf.GetString(i))) } xStr := roundFormatArgs(strconv.FormatFloat(x, 'f', -1, 64), int(d)) diff --git a/expression/integration_test.go b/expression/integration_test.go index f577401b63681..c612fa7b5c8b6 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -714,7 +714,6 @@ func (s *testIntegrationSuite2) TestStringBuiltin(c *C) { defer s.cleanEnv(c) tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") - ctx := context.Background() var err error // for length @@ -1110,12 +1109,9 @@ func (s *testIntegrationSuite2) TestStringBuiltin(c *C) { result.Check(testkit.Rows("12,332.1000 12,332 12,332.20")) result = tk.MustQuery(`select format(NULL, 4), format(12332.2, NULL);`) result.Check(testkit.Rows(" ")) - rs, err := tk.Exec(`select format(12332.2, 2,'es_EC');`) - c.Assert(err, IsNil) - _, err = session.GetRows4Test(ctx, tk.Se, rs) - c.Assert(err, NotNil) - c.Assert(err.Error(), Matches, "not support for the specific locale") - c.Assert(rs.Close(), IsNil) + result = tk.MustQuery(`select format(12332.2, 2,'es_EC');`) + result.Check(testkit.Rows("12,332.20")) + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1649 Unknown locale: 'es_EC'")) // for field result = tk.MustQuery(`select field(1, 2, 1), field(1, 0, NULL), field(1, NULL, 2, 1), field(NULL, 1, 2, NULL);`) From 556ccccdeb83e043748207b16449fbd83e1eaf87 Mon Sep 17 00:00:00 2001 From: ruoxi Date: Thu, 17 Dec 2020 14:52:04 +0800 Subject: [PATCH 0496/1021] expression: add implicit eval int and real for function dayname (#21806) --- expression/builtin_cast.go | 45 +++++++++++++++++++++++++--------- expression/builtin_cast_vec.go | 12 +++++++++ expression/expression.go | 39 ++++++++++++++++++++++++++--- expression/integration_test.go | 15 ++++++++++++ 4 files changed, 95 insertions(+), 16 deletions(-) diff --git a/expression/builtin_cast.go b/expression/builtin_cast.go index d64e83928b1e6..ba8aaaf03d0d8 100644 --- a/expression/builtin_cast.go +++ b/expression/builtin_cast.go @@ -1137,6 +1137,12 @@ func (b *builtinCastStringAsIntSig) evalInt(row chunk.Row) (res int64, isNull bo if b.args[0].GetType().Hybrid() || IsBinaryLiteral(b.args[0]) { return b.args[0].EvalInt(b.ctx, row) } + + // Take the implicit evalInt path if possible. + if CanImplicitEvalInt(b.args[0]) { + return b.args[0].EvalInt(b.ctx, row) + } + val, isNull, err := b.args[0].EvalString(b.ctx, row) if isNull || err != nil { return res, isNull, err @@ -1185,6 +1191,12 @@ func (b *builtinCastStringAsRealSig) evalReal(row chunk.Row) (res float64, isNul if IsBinaryLiteral(b.args[0]) { return b.args[0].EvalReal(b.ctx, row) } + + // Take the implicit evalReal path if possible. + if CanImplicitEvalReal(b.args[0]) { + return b.args[0].EvalReal(b.ctx, row) + } + val, isNull, err := b.args[0].EvalString(b.ctx, row) if isNull || err != nil { return res, isNull, err @@ -1745,18 +1757,31 @@ func (i inCastContext) String() string { // @see BuildCastFunction4Union const inUnionCastContext inCastContext = 0 -// hasSpecialCast checks if this expr has its own special cast function. -// for example(#9713): when doing arithmetic using results of function DayName, -// "Monday" should be regarded as 0, "Tuesday" should be regarded as 1 and so on. -func hasSpecialCast(ctx sessionctx.Context, expr Expression, tp *types.FieldType) bool { +// CanImplicitEvalInt represents the builtin functions that have an implicit path to evaluate as integer, +// regardless of the type that type inference decides it to be. +// This is a nasty way to match the weird behavior of MySQL functions like `dayname()` being implicitly evaluated as integer. +// See https://github.com/mysql/mysql-server/blob/ee4455a33b10f1b1886044322e4893f587b319ed/sql/item_timefunc.h#L423 for details. +func CanImplicitEvalInt(expr Expression) bool { switch f := expr.(type) { case *ScalarFunction: switch f.FuncName.L { case ast.DayName: - switch tp.EvalType() { - case types.ETInt, types.ETReal: - return true - } + return true + } + } + return false +} + +// CanImplicitEvalReal represents the builtin functions that have an implicit path to evaluate as real, +// regardless of the type that type inference decides it to be. +// This is a nasty way to match the weird behavior of MySQL functions like `dayname()` being implicitly evaluated as real. +// See https://github.com/mysql/mysql-server/blob/ee4455a33b10f1b1886044322e4893f587b319ed/sql/item_timefunc.h#L423 for details. +func CanImplicitEvalReal(expr Expression) bool { + switch f := expr.(type) { + case *ScalarFunction: + switch f.FuncName.L { + case ast.DayName: + return true } } return false @@ -1774,10 +1799,6 @@ func BuildCastFunction4Union(ctx sessionctx.Context, expr Expression, tp *types. // BuildCastFunction builds a CAST ScalarFunction from the Expression. func BuildCastFunction(ctx sessionctx.Context, expr Expression, tp *types.FieldType) (res Expression) { - if hasSpecialCast(ctx, expr, tp) { - return expr - } - var fc functionClass switch tp.EvalType() { case types.ETInt: diff --git a/expression/builtin_cast_vec.go b/expression/builtin_cast_vec.go index f42eb9f1cc58e..27282460d9e4c 100644 --- a/expression/builtin_cast_vec.go +++ b/expression/builtin_cast_vec.go @@ -852,6 +852,12 @@ func (b *builtinCastStringAsIntSig) vecEvalInt(input *chunk.Chunk, result *chunk if b.args[0].GetType().Hybrid() || IsBinaryLiteral(b.args[0]) { return b.args[0].VecEvalInt(b.ctx, input, result) } + + // Take the implicit evalInt path if possible. + if CanImplicitEvalInt(b.args[0]) { + return b.args[0].VecEvalInt(b.ctx, input, result) + } + result.ResizeInt64(n, false) buf, err := b.bufAllocator.get(types.ETString, n) if err != nil { @@ -1557,6 +1563,12 @@ func (b *builtinCastStringAsRealSig) vecEvalReal(input *chunk.Chunk, result *chu if IsBinaryLiteral(b.args[0]) { return b.args[0].VecEvalReal(b.ctx, input, result) } + + // Take the implicit evalReal path if possible. + if CanImplicitEvalReal(b.args[0]) { + return b.args[0].VecEvalReal(b.ctx, input, result) + } + n := input.NumRows() buf, err := b.bufAllocator.get(types.ETString, n) if err != nil { diff --git a/expression/expression.go b/expression/expression.go index 29aee092a42b4..646534f05c6e2 100644 --- a/expression/expression.go +++ b/expression/expression.go @@ -333,16 +333,24 @@ func VecEvalBool(ctx sessionctx.Context, exprList CNFExprs, input *chunk.Chunk, for _, expr := range exprList { tp := expr.GetType() eType := tp.EvalType() + if CanImplicitEvalReal(expr) { + eType = types.ETReal + } buf, err := globalColumnAllocator.get(eType, n) if err != nil { return nil, nil, err } - if err := EvalExpr(ctx, expr, eType, input, buf); err != nil { + // Take the implicit evalReal path if possible. + if CanImplicitEvalReal(expr) { + if err := implicitEvalReal(ctx, expr, input, buf); err != nil { + return nil, nil, err + } + } else if err := EvalExpr(ctx, expr, eType, input, buf); err != nil { return nil, nil, err } - err = toBool(ctx.GetSessionVars().StmtCtx, tp, buf, sel, isZero) + err = toBool(ctx.GetSessionVars().StmtCtx, tp, eType, buf, sel, isZero) if err != nil { return nil, nil, err } @@ -382,8 +390,7 @@ func VecEvalBool(ctx sessionctx.Context, exprList CNFExprs, input *chunk.Chunk, return selected, nulls, nil } -func toBool(sc *stmtctx.StatementContext, tp *types.FieldType, buf *chunk.Column, sel []int, isZero []int8) error { - eType := tp.EvalType() +func toBool(sc *stmtctx.StatementContext, tp *types.FieldType, eType types.EvalType, buf *chunk.Column, sel []int, isZero []int8) error { switch eType { case types.ETInt: i64s := buf.Int64s() @@ -499,6 +506,30 @@ func toBool(sc *stmtctx.StatementContext, tp *types.FieldType, buf *chunk.Column return nil } +func implicitEvalReal(ctx sessionctx.Context, expr Expression, input *chunk.Chunk, result *chunk.Column) (err error) { + if expr.Vectorized() && ctx.GetSessionVars().EnableVectorizedExpression { + err = expr.VecEvalReal(ctx, input, result) + } else { + ind, n := 0, input.NumRows() + iter := chunk.NewIterator4Chunk(input) + result.ResizeFloat64(n, false) + f64s := result.Float64s() + for it := iter.Begin(); it != iter.End(); it = iter.Next() { + value, isNull, err := expr.EvalReal(ctx, it) + if err != nil { + return err + } + if isNull { + result.SetNull(ind, isNull) + } else { + f64s[ind] = value + } + ind++ + } + } + return +} + // EvalExpr evaluates this expr according to its type. // And it selects the method for evaluating expression based on // the environment variables and whether the expression can be vectorized. diff --git a/expression/integration_test.go b/expression/integration_test.go index c612fa7b5c8b6..fd926064dc31b 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -1965,6 +1965,21 @@ func (s *testIntegrationSuite2) TestTimeBuiltin(c *C) { "Warning|1292|Incorrect datetime value: '0000-00-00 00:00:00.000000'", "Warning|1292|Incorrect datetime value: '0000-01-00 00:00:00.000000'", "Warning|1292|Incorrect datetime value: '0000-01-00 00:00:00.000000'")) + // for dayname implicit cast to boolean and real + result = tk.MustQuery(`select 1 from dual where dayname('2016-03-07')`) + result.Check(testkit.Rows()) + result = tk.MustQuery(`select 1 from dual where dayname('2016-03-07') is true`) + result.Check(testkit.Rows()) + result = tk.MustQuery(`select 1 from dual where dayname('2016-03-07') is false`) + result.Check(testkit.Rows("1")) + result = tk.MustQuery(`select 1 from dual where dayname('2016-03-08')`) + result.Check(testkit.Rows("1")) + result = tk.MustQuery(`select 1 from dual where dayname('2016-03-08') is true`) + result.Check(testkit.Rows("1")) + result = tk.MustQuery(`select 1 from dual where dayname('2016-03-08') is false`) + result.Check(testkit.Rows()) + result = tk.MustQuery(`select cast(dayname("2016-03-07") as double), cast(dayname("2016-03-08") as double)`) + result.Check(testkit.Rows("0 1")) // for sec_to_time result = tk.MustQuery("select sec_to_time(NULL)") From b25f62dce6a09dd1358dfd9cd6b529421378ba08 Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Thu, 17 Dec 2020 15:16:57 +0800 Subject: [PATCH 0497/1021] expression: fix compatibility behaviors in time_format with MySQL (#21559) --- expression/builtin_cast.go | 3 +++ expression/builtin_cast_vec.go | 3 +++ expression/integration_test.go | 11 +++++++++++ types/convert.go | 2 +- 4 files changed, 18 insertions(+), 1 deletion(-) diff --git a/expression/builtin_cast.go b/expression/builtin_cast.go index ba8aaaf03d0d8..4185717ee9dbe 100644 --- a/expression/builtin_cast.go +++ b/expression/builtin_cast.go @@ -608,6 +608,9 @@ func (b *builtinCastIntAsDurationSig) evalDuration(row chunk.Row) (res types.Dur if types.ErrOverflow.Equal(err) { err = b.ctx.GetSessionVars().StmtCtx.HandleOverflow(err, err) } + if types.ErrTruncatedWrongVal.Equal(err) { + err = b.ctx.GetSessionVars().StmtCtx.HandleTruncate(err) + } return res, true, err } return dur, false, err diff --git a/expression/builtin_cast_vec.go b/expression/builtin_cast_vec.go index 27282460d9e4c..f6a77ffd10f0d 100644 --- a/expression/builtin_cast_vec.go +++ b/expression/builtin_cast_vec.go @@ -48,6 +48,9 @@ func (b *builtinCastIntAsDurationSig) vecEvalDuration(input *chunk.Chunk, result if types.ErrOverflow.Equal(err) { err = b.ctx.GetSessionVars().StmtCtx.HandleOverflow(err, err) } + if types.ErrTruncatedWrongVal.Equal(err) { + err = b.ctx.GetSessionVars().StmtCtx.HandleTruncate(err) + } if err != nil { return err } diff --git a/expression/integration_test.go b/expression/integration_test.go index fd926064dc31b..c4b79dd4dbfc1 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -8324,6 +8324,17 @@ func (s *testIntegrationSuite) TestIssue12205(c *C) { testkit.Rows("Warning 1292 Truncated incorrect time value: '18446744072635875000'")) } +func (s *testSuite) TestIssue12206(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t12206;") + tk.MustExec("create table t12206(\n `col_tinyint_unsigned` tinyint(3) unsigned DEFAULT NULL,\n `col_double_unsigned` double unsigned DEFAULT NULL,\n `col_year_key` year(4) DEFAULT NULL\n);") + tk.MustExec("insert into t12206 values(73,0,0000);") + tk.MustQuery("SELECT TIME_FORMAT( `col_tinyint_unsigned`, ( IFNULL( `col_double_unsigned`, `col_year_key` ) ) ) AS field1 FROM `t12206`;").Check( + testkit.Rows("")) + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1292 Truncated incorrect time value: '73'")) +} + func (s *testIntegrationSuite2) TestCastCoer(c *C) { tk := testkit.NewTestKit(c, s.store) diff --git a/types/convert.go b/types/convert.go index eeeffd69ae421..44f84b998689d 100644 --- a/types/convert.go +++ b/types/convert.go @@ -353,7 +353,7 @@ func NumberToDuration(number int64, fsp int8) (Duration, error) { } if number/10000 > TimeMaxHour || number%100 >= 60 || (number/100)%100 >= 60 { - return ZeroDuration, errors.Trace(ErrWrongValue.GenWithStackByArgs(TimeStr, strconv.FormatInt(number, 10))) + return ZeroDuration, errors.Trace(ErrTruncatedWrongVal.GenWithStackByArgs(TimeStr, strconv.FormatInt(number, 10))) } dur := NewDuration(int(number/10000), int((number/100)%100), int(number%100), 0, fsp) if neg { From ce704c8f895d32ed945c1b814cc669820c288e09 Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Thu, 17 Dec 2020 17:05:50 +0800 Subject: [PATCH 0498/1021] config, ddl: make `TableColumnCountLimit` configurable or be compatible with MySQL (#21612) --- config/config.go | 9 +++++++++ config/config_test.go | 14 ++++++++++++++ ddl/column.go | 3 ++- ddl/db_integration_test.go | 8 ++++---- ddl/ddl.go | 3 --- ddl/ddl_api.go | 2 +- 6 files changed, 30 insertions(+), 9 deletions(-) diff --git a/config/config.go b/config/config.go index f6b877fbf0f49..6a47e5261a8a8 100644 --- a/config/config.go +++ b/config/config.go @@ -65,6 +65,10 @@ const ( DefStatusHost = "0.0.0.0" // DefStoreLivenessTimeout is the default value for store liveness timeout. DefStoreLivenessTimeout = "5s" + // Def TableColumnCountLimit is limit of the number of columns in a table + DefTableColumnCountLimit = 1017 + // Def TableColumnCountLimit is maximum limitation of the number of columns in a table + DefMaxOfTableColumnCountLimit = 4096 // DefTxnScope is the default value for TxnScope DefTxnScope = "global" // DefStoresRefreshInterval is the default value of StoresRefreshInterval @@ -127,6 +131,7 @@ type Config struct { CheckMb4ValueInUTF8 bool `toml:"check-mb4-value-in-utf8" json:"check-mb4-value-in-utf8"` MaxIndexLength int `toml:"max-index-length" json:"max-index-length"` IndexLimit int `toml:"index-limit" json:"index-limit"` + TableColumnCountLimit uint32 `toml:"table-column-count-limit" json:"table-column-count-limit"` GracefulWaitBeforeShutdown int `toml:"graceful-wait-before-shutdown" json:"graceful-wait-before-shutdown"` // AlterPrimaryKey is used to control alter primary key feature. AlterPrimaryKey bool `toml:"alter-primary-key" json:"alter-primary-key"` @@ -647,6 +652,7 @@ var defaultConf = Config{ CheckMb4ValueInUTF8: true, MaxIndexLength: 3072, IndexLimit: 64, + TableColumnCountLimit: 1017, AlterPrimaryKey: false, TreatOldVersionUTF8AsUTF8MB4: true, EnableTableLock: false, @@ -958,6 +964,9 @@ func (c *Config) Valid() error { if c.OOMAction != OOMActionLog && c.OOMAction != OOMActionCancel { return fmt.Errorf("unsupported OOMAction %v, TiDB only supports [%v, %v]", c.OOMAction, OOMActionLog, OOMActionCancel) } + if c.TableColumnCountLimit < DefTableColumnCountLimit || c.TableColumnCountLimit > DefMaxOfTableColumnCountLimit { + return fmt.Errorf("table-column-limit should be [%d, %d]", DefIndexLimit, DefMaxOfTableColumnCountLimit) + } // lower_case_table_names is allowed to be 0, 1, 2 if c.LowerCaseTableNames < 0 || c.LowerCaseTableNames > 2 { diff --git a/config/config_test.go b/config/config_test.go index dd57c6f18f4fa..1629188a73b0c 100644 --- a/config/config_test.go +++ b/config/config_test.go @@ -190,6 +190,7 @@ max-server-connections = 200 mem-quota-query = 10000 max-index-length = 3080 index-limit = 70 +table-column-count-limit = 4000 skip-register-to-dashboard = true deprecate-integer-display-length = true txn-scope = "dc-1" @@ -264,6 +265,7 @@ spilled-file-encryption-method = "plaintext" c.Assert(conf.IsolationRead.Engines, DeepEquals, []string{"tiflash"}) c.Assert(conf.MaxIndexLength, Equals, 3080) c.Assert(conf.IndexLimit, Equals, 70) + c.Assert(conf.TableColumnCountLimit, Equals, uint32(4000)) c.Assert(conf.SkipRegisterToDashboard, Equals, true) c.Assert(len(conf.Labels), Equals, 2) c.Assert(conf.Labels["foo"], Equals, "bar") @@ -486,6 +488,18 @@ func (s *testConfigSuite) TestIndexLimit(c *C) { checkValid(DefMaxOfIndexLimit+1, false) } +func (s *testConfigSuite) TestTableColumnCountLimit(c *C) { + conf := NewConfig() + checkValid := func(tableColumnLimit int, shouldBeValid bool) { + conf.TableColumnCountLimit = uint32(tableColumnLimit) + c.Assert(conf.Valid() == nil, Equals, shouldBeValid) + } + checkValid(DefTableColumnCountLimit, true) + checkValid(DefTableColumnCountLimit-1, false) + checkValid(DefMaxOfTableColumnCountLimit, true) + checkValid(DefMaxOfTableColumnCountLimit+1, false) +} + func (s *testConfigSuite) TestParsePath(c *C) { etcdAddrs, disableGC, err := ParsePath("tikv://node1:2379,node2:2379") c.Assert(err, IsNil) diff --git a/ddl/column.go b/ddl/column.go index 784cb14290a65..adfd3521ded36 100644 --- a/ddl/column.go +++ b/ddl/column.go @@ -28,6 +28,7 @@ import ( "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" + "github.com/pingcap/tidb/config" ddlutil "github.com/pingcap/tidb/ddl/util" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/kv" @@ -1607,7 +1608,7 @@ func allocateColumnID(tblInfo *model.TableInfo) int64 { } func checkAddColumnTooManyColumns(colNum int) error { - if uint32(colNum) > atomic.LoadUint32(&TableColumnCountLimit) { + if uint32(colNum) > atomic.LoadUint32(&config.GetGlobalConfig().TableColumnCountLimit) { return errTooManyFields } return nil diff --git a/ddl/db_integration_test.go b/ddl/db_integration_test.go index 5bd002fa655d9..e6852eac6e20a 100644 --- a/ddl/db_integration_test.go +++ b/ddl/db_integration_test.go @@ -1348,11 +1348,11 @@ func (s *testIntegrationSuite6) TestCreateTableTooLarge(c *C) { sql += ");" tk.MustGetErrCode(sql, errno.ErrTooManyFields) - originLimit := atomic.LoadUint32(&ddl.TableColumnCountLimit) - atomic.StoreUint32(&ddl.TableColumnCountLimit, uint32(cnt*4)) + originLimit := config.GetGlobalConfig().TableColumnCountLimit + atomic.StoreUint32(&config.GetGlobalConfig().TableColumnCountLimit, uint32(cnt*4)) _, err := tk.Exec(sql) c.Assert(kv.ErrEntryTooLarge.Equal(err), IsTrue, Commentf("err:%v", err)) - atomic.StoreUint32(&ddl.TableColumnCountLimit, originLimit) + atomic.StoreUint32(&config.GetGlobalConfig().TableColumnCountLimit, originLimit) } func (s *testIntegrationSuite8) TestCreateTableTooManyIndexes(c *C) { @@ -1472,7 +1472,7 @@ func (s *testIntegrationSuite3) TestResolveCharset(c *C) { func (s *testIntegrationSuite6) TestAddColumnTooMany(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") - count := int(atomic.LoadUint32(&ddl.TableColumnCountLimit) - 1) + count := int(atomic.LoadUint32(&config.GetGlobalConfig().TableColumnCountLimit) - 1) var cols []string for i := 0; i < count; i++ { cols = append(cols, fmt.Sprintf("a%d int", i)) diff --git a/ddl/ddl.go b/ddl/ddl.go index c15183a235d25..0e51aede2b970 100644 --- a/ddl/ddl.go +++ b/ddl/ddl.go @@ -78,9 +78,6 @@ const ( ) var ( - // TableColumnCountLimit is limit of the number of columns in a table. - // It's exported for testing. - TableColumnCountLimit = uint32(512) // TableIndexCountLimit is limit of the number of indexes in a table. TableIndexCountLimit = uint32(64) // EnableSplitTableRegion is a flag to decide whether to split a new region for diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 6095d1d80c773..f488730206871 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -1111,7 +1111,7 @@ func checkTooLongColumn(cols []*model.ColumnInfo) error { } func checkTooManyColumns(colDefs []*model.ColumnInfo) error { - if uint32(len(colDefs)) > atomic.LoadUint32(&TableColumnCountLimit) { + if uint32(len(colDefs)) > atomic.LoadUint32(&config.GetGlobalConfig().TableColumnCountLimit) { return errTooManyFields } return nil From 259a89ade27d11c89a09c011ad939d101f6327d8 Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Thu, 17 Dec 2020 18:41:15 +0800 Subject: [PATCH 0499/1021] executor: set StmtType correctly in SummaryStmt for failed queries (#21855) Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com> --- executor/adapter.go | 4 ++++ executor/executor_test.go | 25 +++++++++++++++++++++++++ 2 files changed, 29 insertions(+) diff --git a/executor/adapter.go b/executor/adapter.go index 9608609acd6c3..1cb792f49f53e 100644 --- a/executor/adapter.go +++ b/executor/adapter.go @@ -1021,6 +1021,10 @@ func (a *ExecStmt) SummaryStmt(succ bool) { return } stmtCtx := sessVars.StmtCtx + // Make sure StmtType is filled even if succ is false. + if stmtCtx.StmtType == "" { + stmtCtx.StmtType = GetStmtLabel(a.StmtNode) + } normalizedSQL, digest := stmtCtx.SQLDigest() costTime := time.Since(sessVars.StartTime) + sessVars.DurationParse diff --git a/executor/executor_test.go b/executor/executor_test.go index 1eb5427357134..d773a98077869 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -34,6 +34,7 @@ import ( "github.com/pingcap/failpoint" pb "github.com/pingcap/kvproto/pkg/kvrpcpb" "github.com/pingcap/parser" + "github.com/pingcap/parser/auth" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" @@ -5134,6 +5135,30 @@ func (s *testSuiteP2) TestUnsignedFeedback(c *C) { c.Assert(result.Rows()[2][6], Equals, "range:[0,+inf], keep order:false") } +func (s *testSuite) TestSummaryFailedUpdate(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int, b int as(-a))") + tk.MustExec("insert into t(a) values(1), (3), (7)") + sm := &mockSessionManager1{ + PS: make([]*util.ProcessInfo, 0), + } + tk.Se.SetSessionManager(sm) + s.domain.ExpensiveQueryHandle().SetSessionManager(sm) + defer config.RestoreFunc()() + config.UpdateGlobal(func(conf *config.Config) { + conf.OOMAction = config.OOMActionCancel + }) + c.Assert(tk.Se.Auth(&auth.UserIdentity{Username: "root", Hostname: "%"}, nil, nil), IsTrue) + tk.MustExec("set @@tidb_mem_quota_query=1") + err := tk.ExecToErr("update t set t.a = t.a - 1 where t.a in (select a from t where a < 4)") + c.Assert(err, NotNil) + c.Assert(err.Error(), Matches, "Out Of Memory Quota!.*") + tk.MustExec("set @@tidb_mem_quota_query=1000000000") + tk.MustQuery("select stmt_type from information_schema.statements_summary where digest_text = 'update t set t . a = t . a - ? where t . a in ( select a from t where a < ? )'").Check(testkit.Rows("Update")) +} + func (s *testSuite) TestOOMPanicAction(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") From 5825c56764b14b4372a2466b2365c146a9ce2a8c Mon Sep 17 00:00:00 2001 From: Jack Yu Date: Thu, 17 Dec 2020 19:14:35 +0800 Subject: [PATCH 0500/1021] *: fix invalid txn with DDL (#21837) Signed-off-by: Shuaipeng Yu --- executor/ddl_test.go | 11 +++++++++++ session/session.go | 15 --------------- session/tidb.go | 16 ++++++++++++++++ 3 files changed, 27 insertions(+), 15 deletions(-) diff --git a/executor/ddl_test.go b/executor/ddl_test.go index 2a54e6173f041..1526813d13844 100644 --- a/executor/ddl_test.go +++ b/executor/ddl_test.go @@ -75,6 +75,17 @@ func (s *testSuite6) TestInTxnExecDDLFail(c *C) { result.Check(testkit.Rows("1")) } +func (s *testSuite6) TestInTxnExecDDLInvalid(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t (c_int int, c_str varchar(40));") + tk.MustExec("insert into t values (1, 'quizzical hofstadter');") + tk.MustExec("begin;") + _ = tk.MustQuery("select c_int from t where c_str is not null for update;") + tk.MustExec("alter table t add index idx_4 (c_str);") +} + func (s *testSuite6) TestCreateTable(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/session/session.go b/session/session.go index 21d98b0a10662..a5ca67173788a 100644 --- a/session/session.go +++ b/session/session.go @@ -1309,21 +1309,6 @@ func runStmt(ctx context.Context, se *session, s sqlexec.Statement) (rs sqlexec. } rs, err = s.Exec(ctx) sessVars.TxnCtx.StatementCount++ - if !s.IsReadOnly(sessVars) { - // All the history should be added here. - if err == nil && sessVars.TxnCtx.CouldRetry { - GetHistory(se).Add(s, sessVars.StmtCtx) - } - - // Handle the stmt commit/rollback. - if se.txn.Valid() { - if err != nil { - se.StmtRollback() - } else { - se.StmtCommit() - } - } - } if rs != nil { return &execStmtResult{ RecordSet: rs, diff --git a/session/tidb.go b/session/tidb.go index 18945e8183f95..fbce6dfb63011 100644 --- a/session/tidb.go +++ b/session/tidb.go @@ -197,6 +197,22 @@ func recordAbortTxnDuration(sessVars *variable.SessionVars) { } func finishStmt(ctx context.Context, se *session, meetsErr error, sql sqlexec.Statement) error { + sessVars := se.sessionVars + if !sql.IsReadOnly(sessVars) { + // All the history should be added here. + if meetsErr == nil && sessVars.TxnCtx.CouldRetry { + GetHistory(se).Add(sql, sessVars.StmtCtx) + } + + // Handle the stmt commit/rollback. + if se.txn.Valid() { + if meetsErr != nil { + se.StmtRollback() + } else { + se.StmtCommit() + } + } + } err := autoCommitAfterStmt(ctx, se, meetsErr, sql) if se.txn.pending() { // After run statement finish, txn state is still pending means the From 91ec971961ceb7c3b3cd3dd1fcf6d9e2286adfff Mon Sep 17 00:00:00 2001 From: MyonKeminta <9948422+MyonKeminta@users.noreply.github.com> Date: Thu, 17 Dec 2020 19:29:35 +0800 Subject: [PATCH 0501/1021] session: Support getting last query info for test purpose (#21557) Signed-off-by: MyonKeminta --- executor/executor_test.go | 59 ++++++++++++++++++++++++++++++++ session/session.go | 15 ++++++++ sessionctx/variable/session.go | 11 ++++++ sessionctx/variable/sysvar.go | 3 +- sessionctx/variable/tidb_vars.go | 3 ++ sessionctx/variable/varsutil.go | 6 ++++ 6 files changed, 96 insertions(+), 1 deletion(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index d773a98077869..1f06bd03bae44 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -2949,6 +2949,65 @@ func (s *testSuite) TestTiDBLastTxnInfo(c *C) { c.Assert(terror.ErrorEqual(err, variable.ErrReadOnly), IsTrue, Commentf("err %v", err)) } +func (s *testSuite) TestTiDBLastQueryInfo(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int primary key, v int)") + tk.MustQuery("select json_extract(@@tidb_last_query_info, '$.start_ts'), json_extract(@@tidb_last_query_info, '$.start_ts')").Check(testkit.Rows("0 0")) + + toUint64 := func(str interface{}) uint64 { + res, err := strconv.ParseUint(str.(string), 10, 64) + c.Assert(err, IsNil) + return res + } + + tk.MustExec("select * from t") + rows := tk.MustQuery("select json_extract(@@tidb_last_query_info, '$.start_ts'), json_extract(@@tidb_last_query_info, '$.for_update_ts')").Rows() + c.Assert(toUint64(rows[0][0]), Greater, uint64(0)) + c.Assert(rows[0][0], Equals, rows[0][1]) + + tk.MustExec("insert into t values (1, 10)") + rows = tk.MustQuery("select json_extract(@@tidb_last_query_info, '$.start_ts'), json_extract(@@tidb_last_query_info, '$.for_update_ts')").Rows() + c.Assert(toUint64(rows[0][0]), Greater, uint64(0)) + c.Assert(rows[0][0], Equals, rows[0][1]) + // tidb_last_txn_info is still valid after checking query info. + rows = tk.MustQuery("select json_extract(@@tidb_last_txn_info, '$.start_ts'), json_extract(@@tidb_last_txn_info, '$.commit_ts')").Rows() + c.Assert(toUint64(rows[0][0]), Greater, uint64(0)) + c.Assert(rows[0][0].(string), Less, rows[0][1].(string)) + + tk.MustExec("begin pessimistic") + tk.MustExec("select * from t") + rows = tk.MustQuery("select json_extract(@@tidb_last_query_info, '$.start_ts'), json_extract(@@tidb_last_query_info, '$.for_update_ts')").Rows() + c.Assert(toUint64(rows[0][0]), Greater, uint64(0)) + c.Assert(rows[0][0], Equals, rows[0][1]) + + tk2 := testkit.NewTestKit(c, s.store) + tk2.MustExec("use test") + tk2.MustExec("update t set v = 11 where a = 1") + + tk.MustExec("select * from t") + rows = tk.MustQuery("select json_extract(@@tidb_last_query_info, '$.start_ts'), json_extract(@@tidb_last_query_info, '$.for_update_ts')").Rows() + c.Assert(toUint64(rows[0][0]), Greater, uint64(0)) + c.Assert(rows[0][0], Equals, rows[0][1]) + + tk.MustExec("update t set v = 12 where a = 1") + rows = tk.MustQuery("select json_extract(@@tidb_last_query_info, '$.start_ts'), json_extract(@@tidb_last_query_info, '$.for_update_ts')").Rows() + c.Assert(toUint64(rows[0][0]), Greater, uint64(0)) + c.Assert(toUint64(rows[0][0]), Less, toUint64(rows[0][1])) + + tk.MustExec("commit") + + tk.MustExec("set transaction isolation level read committed") + tk.MustExec("begin pessimistic") + tk.MustExec("select * from t") + rows = tk.MustQuery("select json_extract(@@tidb_last_query_info, '$.start_ts'), json_extract(@@tidb_last_query_info, '$.for_update_ts')").Rows() + c.Assert(toUint64(rows[0][0]), Greater, uint64(0)) + c.Assert(toUint64(rows[0][0]), Less, toUint64(rows[0][1])) + + tk.MustExec("rollback") +} + func (s *testSuite) TestSelectForUpdate(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/session/session.go b/session/session.go index a5ca67173788a..3a2c661262cb5 100644 --- a/session/session.go +++ b/session/session.go @@ -1301,6 +1301,21 @@ func runStmt(ctx context.Context, se *session, s sqlexec.Statement) (rs sqlexec. } sessVars := se.sessionVars + + // Record diagnostic information for DML statements + if _, ok := s.(*executor.ExecStmt).StmtNode.(ast.DMLNode); ok { + defer func() { + sessVars.LastQueryInfo = variable.QueryInfo{ + TxnScope: sessVars.TxnScope, + StartTS: sessVars.TxnCtx.StartTS, + ForUpdateTS: sessVars.TxnCtx.GetForUpdateTS(), + } + if err != nil { + sessVars.LastQueryInfo.ErrMsg = err.Error() + } + }() + } + // Save origTxnCtx here to avoid it reset in the transaction retry. origTxnCtx := sessVars.TxnCtx err = se.checkTxnAborted(s) diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index c94297ef8dfcf..039887cac2510 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -754,6 +754,9 @@ type SessionVars struct { // LastTxnInfo keeps track the info of last committed transaction. LastTxnInfo kv.TxnInfo + // LastQueryInfo keeps track the info of last query. + LastQueryInfo QueryInfo + // PartitionPruneMode indicates how and when to prune partitions. PartitionPruneMode atomic2.String @@ -2316,3 +2319,11 @@ func (s *SessionVars) SlowLogFormat(logItems *SlowQueryLogItems) string { func writeSlowLogItem(buf *bytes.Buffer, key, value string) { buf.WriteString(SlowLogRowPrefixStr + key + SlowLogSpaceMarkStr + value + "\n") } + +// QueryInfo represents the information of last executed query. It's used to expose information for test purpose. +type QueryInfo struct { + TxnScope string `json:"txn_scope"` + StartTS uint64 `json:"start_ts"` + ForUpdateTS uint64 `json:"for_update_ts"` + ErrMsg string `json:"error,omitempty"` +} diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 44e1e100fb18c..46c365f6fe100 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -986,7 +986,8 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TiDBBatchCommit, Value: BoolToOnOff(DefBatchCommit), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBDMLBatchSize, Value: strconv.Itoa(DefDMLBatchSize), Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64}, {Scope: ScopeSession, Name: TiDBCurrentTS, Value: strconv.Itoa(DefCurretTS)}, - {Scope: ScopeSession, Name: TiDBLastTxnInfo, Value: strconv.Itoa(DefCurretTS)}, + {Scope: ScopeSession, Name: TiDBLastTxnInfo, Value: strconv.Itoa(DefCurretTS), ReadOnly: true}, + {Scope: ScopeSession, Name: TiDBLastQueryInfo, Value: strconv.Itoa(DefCurretTS), ReadOnly: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBMaxChunkSize, Value: strconv.Itoa(DefMaxChunkSize), Type: TypeUnsigned, MinValue: maxChunkSizeLowerBound, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowBatchCop, Value: strconv.Itoa(DefTiDBAllowBatchCop), Type: TypeInt, MinValue: 0, MaxValue: 2, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { if normalizedValue == "0" && vars.AllowBCJ { diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index dd8089c6b2c48..940796582e2a8 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -73,6 +73,9 @@ const ( // TiDBLastTxnInfo is used to get the last transaction info within the current session. TiDBLastTxnInfo = "tidb_last_txn_info" + // TiDBLastTxnInfo is used to get the last query info within the current session. + TiDBLastQueryInfo = "tidb_last_query_info" + // tidb_config is a read-only variable that shows the config of the current server. TiDBConfig = "tidb_config" diff --git a/sessionctx/variable/varsutil.go b/sessionctx/variable/varsutil.go index 32bc603ca527f..3c22e1b769e3c 100644 --- a/sessionctx/variable/varsutil.go +++ b/sessionctx/variable/varsutil.go @@ -126,6 +126,12 @@ func GetSessionOnlySysVars(s *SessionVars, key string) (string, bool, error) { return "", true, err } return string(info), true, nil + case TiDBLastQueryInfo: + info, err := json.Marshal(s.LastQueryInfo) + if err != nil { + return "", true, err + } + return string(info), true, nil case TiDBGeneralLog: return BoolToOnOff(ProcessGeneralLog.Load()), true, nil case TiDBPProfSQLCPU: From f363bffd86809f8f87d014c13b03478bd7c0f7c5 Mon Sep 17 00:00:00 2001 From: wangyufan Date: Thu, 17 Dec 2020 19:44:33 +0800 Subject: [PATCH 0502/1021] mocktikv: select count result differs between tikv and mocktikv (#21166) --- expression/integration_test.go | 2 ++ store/mockstore/unistore/cophandler/closure_exec.go | 9 +++++++++ 2 files changed, 11 insertions(+) diff --git a/expression/integration_test.go b/expression/integration_test.go index c4b79dd4dbfc1..bb8a92f54dab3 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -3788,6 +3788,8 @@ func (s *testIntegrationSuite) TestAggregationBuiltin(c *C) { result.Check(testkit.Rows("0")) result = tk.MustQuery("select bit_and(a) from t") result.Check(testkit.Rows("18446744073709551615")) + result = tk.MustQuery("select count(1) from (select count(1) from t) as t1") + result.Check(testkit.Rows("1")) } func (s *testIntegrationSuite) TestAggregationBuiltinBitOr(c *C) { diff --git a/store/mockstore/unistore/cophandler/closure_exec.go b/store/mockstore/unistore/cophandler/closure_exec.go index ecf91870566dd..144ecbd1cf22e 100644 --- a/store/mockstore/unistore/cophandler/closure_exec.go +++ b/store/mockstore/unistore/cophandler/closure_exec.go @@ -1501,6 +1501,15 @@ func (e *hashAggProcessor) Finish() error { e.oldRowBuf = append(e.oldRowBuf, gk...) e.oldChunks = appendRow(e.oldChunks, e.oldRowBuf, i) } + if e.aggCtx.execDetail.numIterations == 0 && e.aggCtx.execDetail.numProducedRows == 0 && + len(e.aggCtxsMap) == 0 && len(e.outputOff) == 1 { + for _, exec := range e.dagReq.GetExecutors() { + if exec.Tp == tipb.ExecType_TypeStreamAgg { + e.aggCtx.execDetail.updateOnlyRows(1) + e.oldChunks = appendRow(e.oldChunks, make([]byte, 1), 0) + } + } + } return nil } From efc07599610a22b79b0253ae93dbbbd21bb49150 Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Thu, 17 Dec 2020 20:48:34 +0800 Subject: [PATCH 0503/1021] *: add enable-global-kill with default value FALSE (#21859) --- config/config.go | 4 ++++ config/config.toml.example | 6 ++++++ config/config_util.go | 1 + domain/domain.go | 26 +++++++++++++----------- executor/simple.go | 16 ++++++++++++++- executor/simple_test.go | 11 +++++++++- infoschema/tables.go | 2 +- tests/globalkilltest/config.toml | 2 ++ tests/globalkilltest/global_kill_test.go | 2 ++ util/processinfo_test.go | 8 ++++++++ 10 files changed, 63 insertions(+), 15 deletions(-) create mode 100644 tests/globalkilltest/config.toml diff --git a/config/config.go b/config/config.go index 6a47e5261a8a8..eb9500124b09f 100644 --- a/config/config.go +++ b/config/config.go @@ -126,6 +126,7 @@ type Config struct { ProxyProtocol ProxyProtocol `toml:"proxy-protocol" json:"proxy-protocol"` TiKVClient TiKVClient `toml:"tikv-client" json:"tikv-client"` Binlog Binlog `toml:"binlog" json:"binlog"` + CompatibleKillQuery bool `toml:"compatible-kill-query" json:"compatible-kill-query"` Plugin Plugin `toml:"plugin" json:"plugin"` PessimisticTxn PessimisticTxn `toml:"pessimistic-txn" json:"pessimistic-txn"` CheckMb4ValueInUTF8 bool `toml:"check-mb4-value-in-utf8" json:"check-mb4-value-in-utf8"` @@ -629,6 +630,8 @@ type IsolationRead struct { type Experimental struct { // Whether enable creating expression index. AllowsExpressionIndex bool `toml:"allow-expression-index" json:"allow-expression-index"` + // Whether enable global kill. + EnableGlobalKill bool `toml:"enable-global-kill" json:"enable-global-kill"` } var defaultConf = Config{ @@ -786,6 +789,7 @@ var defaultConf = Config{ }, Experimental: Experimental{ AllowsExpressionIndex: false, + EnableGlobalKill: false, }, EnableCollectExecutionInfo: true, EnableTelemetry: true, diff --git a/config/config.toml.example b/config/config.toml.example index f06f85359f2f8..1890e3284b8a7 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -57,6 +57,10 @@ enable-batch-dml = false # Set system variable 'lower_case_table_names' lower-case-table-names = 2 +# Make "kill query" behavior compatible with MySQL. It's not recommend to +# turn on this option when TiDB server is behind a proxy. +compatible-kill-query = false + # Make SIGTERM wait N seconds before starting the shutdown procedure. This is designed for when TiDB is behind a proxy/load balancer. # The health check will fail immediately but the server will not start shutting down until the time has elapsed. graceful-wait-before-shutdown = 0 @@ -482,6 +486,8 @@ history-size = 24 [experimental] # enable creating expression index. allow-expression-index = false +# enable global kill. +enable-global-kill = false # server level isolation read by engines and labels [isolation-read] diff --git a/config/config_util.go b/config/config_util.go index 9734fe595d313..6922437cf1bcb 100644 --- a/config/config_util.go +++ b/config/config_util.go @@ -61,6 +61,7 @@ var ( "CheckMb4ValueInUTF8": {}, "EnableStreaming": {}, "TxnLocalLatches.Capacity": {}, + "CompatibleKillQuery": {}, "TreatOldVersionUTF8AsUTF8MB4": {}, "OpenTracing.Enable": {}, "PreparedPlanCache.Enabled": {}, diff --git a/domain/domain.go b/domain/domain.go index 6da3cac831030..e1fd6c7a89b41 100644 --- a/domain/domain.go +++ b/domain/domain.go @@ -765,20 +765,22 @@ func (do *Domain) Init(ddlLease time.Duration, sysFactory func(*Domain) (pools.R return err } - if do.etcdClient != nil { - err := do.acquireServerID(ctx) - if err != nil { - logutil.BgLogger().Error("acquire serverID failed", zap.Error(err)) - do.isLostConnectionToPD.Set(1) // will retry in `do.serverIDKeeper` + if config.GetGlobalConfig().Experimental.EnableGlobalKill { + if do.etcdClient != nil { + err := do.acquireServerID(ctx) + if err != nil { + logutil.BgLogger().Error("acquire serverID failed", zap.Error(err)) + do.isLostConnectionToPD.Set(1) // will retry in `do.serverIDKeeper` + } else { + do.isLostConnectionToPD.Set(0) + } + + do.wg.Add(1) + go do.serverIDKeeper() } else { - do.isLostConnectionToPD.Set(0) + // set serverID for standalone deployment to enable 'KILL'. + atomic.StoreUint64(&do.serverID, serverIDForStandalone) } - - do.wg.Add(1) - go do.serverIDKeeper() - } else { - // set serverID for standalone deployment to enable 'KILL'. - atomic.StoreUint64(&do.serverID, serverIDForStandalone) } do.info, err = infosync.GlobalInfoSyncerInit(ctx, do.ddl.GetID(), do.ServerID, do.etcdClient, skipRegisterToDashboard) diff --git a/executor/simple.go b/executor/simple.go index 09db4a10a67ef..dd999892efd84 100644 --- a/executor/simple.go +++ b/executor/simple.go @@ -1081,11 +1081,25 @@ func (e *SimpleExec) executeSetPwd(s *ast.SetPwdStmt) error { } func (e *SimpleExec) executeKillStmt(ctx context.Context, s *ast.KillStmt) error { + if !config.GetGlobalConfig().Experimental.EnableGlobalKill { + conf := config.GetGlobalConfig() + if s.TiDBExtension || conf.CompatibleKillQuery { + sm := e.ctx.GetSessionManager() + if sm == nil { + return nil + } + sm.Kill(s.ConnectionID, s.Query) + } else { + err := errors.New("Invalid operation. Please use 'KILL TIDB [CONNECTION | QUERY] connectionID' instead") + e.ctx.GetSessionVars().StmtCtx.AppendWarning(err) + } + return nil + } + sm := e.ctx.GetSessionManager() if sm == nil { return nil } - if e.IsFromRemote { logutil.BgLogger().Info("Killing connection in current instance redirected from remote TiDB", zap.Uint64("connID", s.ConnectionID), zap.Bool("query", s.Query), zap.String("sourceAddr", e.ctx.GetSessionVars().SourceAddr.IP.String())) diff --git a/executor/simple_test.go b/executor/simple_test.go index 00869bcf6ea04..c20b7402d0371 100644 --- a/executor/simple_test.go +++ b/executor/simple_test.go @@ -518,10 +518,18 @@ func (s *testSuite3) TestKillStmt(c *C) { serverID: 0, } tk.Se.SetSessionManager(sm) + tk.MustExec("kill 1") + result := tk.MustQuery("show warnings") + result.Check(testkit.Rows("Warning 1105 Invalid operation. Please use 'KILL TIDB [CONNECTION | QUERY] connectionID' instead")) + + originCfg := config.GetGlobalConfig() + newCfg := *originCfg + newCfg.Experimental.EnableGlobalKill = true + config.StoreGlobalConfig(&newCfg) // ZERO serverID, treated as truncated. tk.MustExec("kill 1") - result := tk.MustQuery("show warnings") + result = tk.MustQuery("show warnings") result.Check(testkit.Rows("Warning 1105 Kill failed: Received a 32bits truncated ConnectionID, expect 64bits. Please execute 'KILL [CONNECTION | QUERY] ConnectionID' to send a Kill without truncating ConnectionID.")) // truncated @@ -541,6 +549,7 @@ func (s *testSuite3) TestKillStmt(c *C) { result = tk.MustQuery("show warnings") result.Check(testkit.Rows()) + config.StoreGlobalConfig(originCfg) // remote kill is tested in `tests/globalkilltest` } diff --git a/infoschema/tables.go b/infoschema/tables.go index 4369469513d86..2d6f529103dbf 100644 --- a/infoschema/tables.go +++ b/infoschema/tables.go @@ -971,7 +971,7 @@ var tableClusterInfoCols = []columnInfo{ {name: "GIT_HASH", tp: mysql.TypeVarchar, size: 64}, {name: "START_TIME", tp: mysql.TypeVarchar, size: 32}, {name: "UPTIME", tp: mysql.TypeVarchar, size: 32}, - {name: "SERVER_ID", tp: mysql.TypeLonglong, size: 21}, + {name: "SERVER_ID", tp: mysql.TypeLonglong, size: 21, comment: "invalid if the configuration item `enable-global-kill` is set to FALSE"}, } var tableTableTiFlashReplicaCols = []columnInfo{ diff --git a/tests/globalkilltest/config.toml b/tests/globalkilltest/config.toml new file mode 100644 index 0000000000000..a7421047275ed --- /dev/null +++ b/tests/globalkilltest/config.toml @@ -0,0 +1,2 @@ +[experimental] +enable-global-kill=true diff --git a/tests/globalkilltest/global_kill_test.go b/tests/globalkilltest/global_kill_test.go index 0f481eaa24cbd..f314cac87298a 100644 --- a/tests/globalkilltest/global_kill_test.go +++ b/tests/globalkilltest/global_kill_test.go @@ -118,6 +118,7 @@ func (s *TestGlobalKillSuite) startTiDBWithoutPD(port int, statusPort int) (cmd fmt.Sprintf("-P=%d", port), fmt.Sprintf("--status=%d", statusPort), fmt.Sprintf("--log-file=%s/tidb%d.log", *tmpPath, port)) + fmt.Sprintf("--config=%s", "./config.toml") log.Infof("starting tidb: %v", cmd) err = cmd.Start() if err != nil { @@ -135,6 +136,7 @@ func (s *TestGlobalKillSuite) startTiDBWithPD(port int, statusPort int, pdPath s fmt.Sprintf("-P=%d", port), fmt.Sprintf("--status=%d", statusPort), fmt.Sprintf("--log-file=%s/tidb%d.log", *tmpPath, port)) + fmt.Sprintf("--config=%s", "./config.toml") log.Infof("starting tidb: %v", cmd) err = cmd.Start() if err != nil { diff --git a/util/processinfo_test.go b/util/processinfo_test.go index e00fccf3f988b..bd0b9f8f396c7 100644 --- a/util/processinfo_test.go +++ b/util/processinfo_test.go @@ -15,6 +15,7 @@ package util_test import ( . "github.com/pingcap/check" + "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/util" ) @@ -30,6 +31,13 @@ func (s *testProcessInfoSuite) TearDownSuite(c *C) { } func (s *testProcessInfoSuite) TestGlobalConnID(c *C) { + originCfg := config.GetGlobalConfig() + newCfg := *originCfg + newCfg.Experimental.EnableGlobalKill = true + config.StoreGlobalConfig(&newCfg) + defer func() { + config.StoreGlobalConfig(originCfg) + }() connID := util.GlobalConnID{ Is64bits: true, ServerID: 1001, From 31673c8e92dde02408a9b899d2002cf232cb43d3 Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Fri, 18 Dec 2020 03:51:35 +0800 Subject: [PATCH 0504/1021] bindinfo: sync concurrent ops on mysql.bind_info from multiple tidb instances (#21629) --- bindinfo/bind_test.go | 4 +- bindinfo/cache.go | 2 + bindinfo/handle.go | 161 ++++++++++++++++++++++++------------------ session/bootstrap.go | 42 ++++++++--- session/session.go | 2 +- 5 files changed, 128 insertions(+), 83 deletions(-) diff --git a/bindinfo/bind_test.go b/bindinfo/bind_test.go index e85ac5fba683d..c02ba6eb51964 100644 --- a/bindinfo/bind_test.go +++ b/bindinfo/bind_test.go @@ -139,7 +139,7 @@ func (s *testSuite) TearDownTest(c *C) { } func (s *testSuite) cleanBindingEnv(tk *testkit.TestKit) { - tk.MustExec("truncate table mysql.bind_info") + tk.MustExec("delete from mysql.bind_info where source != 'builtin'") s.domain.BindHandle().Clear() } @@ -1304,7 +1304,7 @@ func (s *testSuite) TestEvolveInvalidBindings(c *C) { // Manufacture a rejected binding by hacking mysql.bind_info. tk.MustExec("insert into mysql.bind_info values('select * from t where a > ?', 'select /*+ USE_INDEX(t,idx_a) */ * from t where a > 10', 'test', 'rejected', '2000-01-01 09:00:00', '2000-01-01 09:00:00', '', '','" + bindinfo.Manual + "')") - tk.MustQuery("select bind_sql, status from mysql.bind_info").Sort().Check(testkit.Rows( + tk.MustQuery("select bind_sql, status from mysql.bind_info where source != 'builtin'").Sort().Check(testkit.Rows( "select /*+ USE_INDEX(t) */ * from t where a > 10 using", "select /*+ USE_INDEX(t,idx_a) */ * from t where a > 10 rejected", )) diff --git a/bindinfo/cache.go b/bindinfo/cache.go index a7f216d7ca951..d0857bcd10288 100644 --- a/bindinfo/cache.go +++ b/bindinfo/cache.go @@ -42,6 +42,8 @@ const ( Capture = "capture" // Evolve indicates the binding is evolved by TiDB from old bindings. Evolve = "evolve" + // Builtin indicates the binding is a builtin record for internal locking purpose. It is also the status for the builtin binding. + Builtin = "builtin" ) // Binding stores the basic bind hint info. diff --git a/bindinfo/handle.go b/bindinfo/handle.go index 5eb4f8c3f9b13..60fc03a058d6f 100644 --- a/bindinfo/handle.go +++ b/bindinfo/handle.go @@ -33,7 +33,6 @@ import ( "github.com/pingcap/tidb/metrics" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/sessionctx/variable" - "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/types" driver "github.com/pingcap/tidb/types/parser_driver" "github.com/pingcap/tidb/util/chunk" @@ -94,6 +93,8 @@ const ( OwnerKey = "/tidb/bindinfo/owner" // Prompt is the prompt for bindinfo owner manager. Prompt = "bindinfo" + // BuiltinPseudoSQL4BindLock is used to simulate LOCK TABLE for mysql.bind_info. + BuiltinPseudoSQL4BindLock = "builtin_pseudo_sql_for_bind_lock" ) type bindRecordUpdate struct { @@ -123,7 +124,6 @@ func NewBindHandle(ctx sessionctx.Context) *BindHandle { func (h *BindHandle) Update(fullLoad bool) (err error) { h.bindInfo.Lock() lastUpdateTime := h.bindInfo.lastUpdateTime - h.bindInfo.Unlock() sql := "select original_sql, bind_sql, default_db, status, create_time, update_time, charset, collation, source from mysql.bind_info" if !fullLoad { @@ -136,11 +136,10 @@ func (h *BindHandle) Update(fullLoad bool) (err error) { // uses another background session. rows, _, err := h.sctx.Context.(sqlexec.RestrictedSQLExecutor).ExecRestrictedSQL(sql) if err != nil { + h.bindInfo.Unlock() return err } - // Make sure there is only one goroutine writes the cache. - h.bindInfo.Lock() newCache := h.bindInfo.Value.Load().(cache).copy() defer func() { h.bindInfo.lastUpdateTime = lastUpdateTime @@ -149,6 +148,10 @@ func (h *BindHandle) Update(fullLoad bool) (err error) { }() for _, row := range rows { + // Skip the builtin record which is designed for binding synchronization. + if row.GetString(0) == BuiltinPseudoSQL4BindLock { + continue + } hash, meta, err := h.newBindRecord(row) if err != nil { logutil.BgLogger().Debug("[sql-bind] failed to generate bind record from data row", zap.Error(err)) @@ -179,65 +182,51 @@ func (h *BindHandle) CreateBindRecord(sctx sessionctx.Context, record *BindRecor return err } - exec, _ := h.sctx.Context.(sqlexec.SQLExecutor) + h.bindInfo.Lock() h.sctx.Lock() - _, err = exec.ExecuteInternal(context.TODO(), "BEGIN") - if err != nil { + defer func() { h.sctx.Unlock() + h.bindInfo.Unlock() + }() + exec, _ := h.sctx.Context.(sqlexec.SQLExecutor) + _, err = exec.ExecuteInternal(context.TODO(), "BEGIN PESSIMISTIC") + if err != nil { return } - normalizedSQL := parser.DigestNormalized(record.OriginalSQL) - oldRecord := h.GetBindRecord(normalizedSQL, record.OriginalSQL, record.Db) - defer func() { if err != nil { _, err1 := exec.ExecuteInternal(context.TODO(), "ROLLBACK") - h.sctx.Unlock() terror.Log(err1) return } _, err = exec.ExecuteInternal(context.TODO(), "COMMIT") - h.sctx.Unlock() if err != nil { return } - // Make sure there is only one goroutine writes the cache and uses parser. - h.bindInfo.Lock() - if oldRecord != nil { - h.removeBindRecord(normalizedSQL, oldRecord) - } - h.appendBindRecord(normalizedSQL, record) - h.bindInfo.Unlock() + sqlDigest := parser.DigestNormalized(record.OriginalSQL) + h.setBindRecord(sqlDigest, record) }() - var txn kv.Transaction - txn, err = h.sctx.Context.Txn(true) + // Lock mysql.bind_info to synchronize with CreateBindRecord / AddBindRecord / DropBindRecord on other tidb instances. + if err = h.lockBindInfoTable(); err != nil { + return err + } + // Binding recreation should physically delete previous bindings. + _, err = exec.ExecuteInternal(context.TODO(), h.deleteBindInfoSQL(record.OriginalSQL, record.Db, "")) if err != nil { return err } - now := types.NewTime(types.FromGoTime(oracle.GetTimeFromTS(txn.StartTS())), mysql.TypeTimestamp, 3) - if oldRecord != nil { - for _, binding := range oldRecord.Bindings { - // Binding recreation should physically delete previous bindings, since marking them as deleted may - // cause unexpected binding caches if there are concurrent CREATE BINDING on multiple tidb instances, - // because the record with `using` status is not guaranteed to have larger update_time than those records - // with `deleted` status. - _, err = exec.ExecuteInternal(context.TODO(), h.deleteBindInfoSQL(record.OriginalSQL, record.Db, binding.BindSQL)) - if err != nil { - return err - } - } - } + now := types.NewTime(types.FromGoTime(time.Now()), mysql.TypeTimestamp, 3) for i := range record.Bindings { record.Bindings[i].CreateTime = now record.Bindings[i].UpdateTime = now - // insert the BindRecord to the storage. + // Insert the BindRecord to the storage. _, err = exec.ExecuteInternal(context.TODO(), h.insertBindInfoSQL(record.OriginalSQL, record.Db, record.Bindings[i])) if err != nil { return err @@ -267,40 +256,37 @@ func (h *BindHandle) AddBindRecord(sctx sessionctx.Context, record *BindRecord) } } - exec, _ := h.sctx.Context.(sqlexec.SQLExecutor) + h.bindInfo.Lock() h.sctx.Lock() - _, err = exec.ExecuteInternal(context.TODO(), "BEGIN") - if err != nil { + defer func() { h.sctx.Unlock() + h.bindInfo.Unlock() + }() + exec, _ := h.sctx.Context.(sqlexec.SQLExecutor) + _, err = exec.ExecuteInternal(context.TODO(), "BEGIN PESSIMISTIC") + if err != nil { return } defer func() { if err != nil { _, err1 := exec.ExecuteInternal(context.TODO(), "ROLLBACK") - h.sctx.Unlock() terror.Log(err1) return } _, err = exec.ExecuteInternal(context.TODO(), "COMMIT") - h.sctx.Unlock() if err != nil { return } - // Make sure there is only one goroutine writes the cache and uses parser. - h.bindInfo.Lock() h.appendBindRecord(parser.DigestNormalized(record.OriginalSQL), record) - h.bindInfo.Unlock() }() - var txn kv.Transaction - txn, err = h.sctx.Context.Txn(true) - if err != nil { + // Lock mysql.bind_info to synchronize with CreateBindRecord / AddBindRecord / DropBindRecord on other tidb instances. + if err = h.lockBindInfoTable(); err != nil { return err } - if duplicateBinding != nil { _, err = exec.ExecuteInternal(context.TODO(), h.deleteBindInfoSQL(record.OriginalSQL, record.Db, duplicateBinding.BindSQL)) if err != nil { @@ -308,7 +294,7 @@ func (h *BindHandle) AddBindRecord(sctx sessionctx.Context, record *BindRecord) } } - now := types.NewTime(types.FromGoTime(oracle.GetTimeFromTS(txn.StartTS())), mysql.TypeTimestamp, 3) + now := types.NewTime(types.FromGoTime(time.Now()), mysql.TypeTimestamp, 3) for i := range record.Bindings { if duplicateBinding != nil { record.Bindings[i].CreateTime = duplicateBinding.CreateTime @@ -317,7 +303,7 @@ func (h *BindHandle) AddBindRecord(sctx sessionctx.Context, record *BindRecord) } record.Bindings[i].UpdateTime = now - // insert the BindRecord to the storage. + // Insert the BindRecord to the storage. _, err = exec.ExecuteInternal(context.TODO(), h.insertBindInfoSQL(record.OriginalSQL, record.Db, record.Bindings[i])) if err != nil { return err @@ -328,25 +314,27 @@ func (h *BindHandle) AddBindRecord(sctx sessionctx.Context, record *BindRecord) // DropBindRecord drops a BindRecord to the storage and BindRecord int the cache. func (h *BindHandle) DropBindRecord(originalSQL, db string, binding *Binding) (err error) { - exec, _ := h.sctx.Context.(sqlexec.SQLExecutor) + h.bindInfo.Lock() h.sctx.Lock() - _, err = exec.ExecuteInternal(context.TODO(), "BEGIN") - if err != nil { + defer func() { h.sctx.Unlock() - return + h.bindInfo.Unlock() + }() + exec, _ := h.sctx.Context.(sqlexec.SQLExecutor) + _, err = exec.ExecuteInternal(context.TODO(), "BEGIN PESSIMISTIC") + if err != nil { + return err } - + var deleteRows int defer func() { if err != nil { _, err1 := exec.ExecuteInternal(context.TODO(), "ROLLBACK") - h.sctx.Unlock() terror.Log(err1) return } _, err = exec.ExecuteInternal(context.TODO(), "COMMIT") - h.sctx.Unlock() - if err != nil { + if err != nil || deleteRows == 0 { return } @@ -354,18 +342,15 @@ func (h *BindHandle) DropBindRecord(originalSQL, db string, binding *Binding) (e if binding != nil { record.Bindings = append(record.Bindings, *binding) } - // Make sure there is only one goroutine writes the cache and uses parser. - h.bindInfo.Lock() h.removeBindRecord(parser.DigestNormalized(originalSQL), record) - h.bindInfo.Unlock() }() - txn, err1 := h.sctx.Context.Txn(true) - if err1 != nil { - return err1 + // Lock mysql.bind_info to synchronize with CreateBindRecord / AddBindRecord / DropBindRecord on other tidb instances. + if err = h.lockBindInfoTable(); err != nil { + return } - updateTs := types.NewTime(types.FromGoTime(oracle.GetTimeFromTS(txn.StartTS())), mysql.TypeTimestamp, 3) + updateTs := types.NewTime(types.FromGoTime(time.Now()), mysql.TypeTimestamp, 3) bindSQL := "" if binding != nil { @@ -373,6 +358,20 @@ func (h *BindHandle) DropBindRecord(originalSQL, db string, binding *Binding) (e } _, err = exec.ExecuteInternal(context.TODO(), h.logicalDeleteBindInfoSQL(originalSQL, db, updateTs, bindSQL)) + deleteRows = int(h.sctx.Context.GetSessionVars().StmtCtx.AffectedRows()) + return err +} + +// lockBindInfoTable simulates `LOCK TABLE mysql.bind_info WRITE` by acquiring a pessimistic lock on a +// special builtin row of mysql.bind_info. Note that this function must be called with h.sctx.Lock() held. +// We can replace this implementation to normal `LOCK TABLE mysql.bind_info WRITE` if that feature is +// generally available later. +// This lock would enforce the CREATE / DROP GLOBAL BINDING statements to be executed sequentially, +// even if they come from different tidb instances. +func (h *BindHandle) lockBindInfoTable() error { + // h.sctx already locked. + exec, _ := h.sctx.Context.(sqlexec.SQLExecutor) + _, err := exec.ExecuteInternal(context.TODO(), h.lockBindInfoSQL()) return err } @@ -483,6 +482,16 @@ func (h *BindHandle) newBindRecord(row chunk.Row) (string, *BindRecord, error) { return hash, bindRecord, err } +// setBindRecord sets the BindRecord to the cache, if there already exists a BindRecord, +// it will be overridden. +func (h *BindHandle) setBindRecord(hash string, meta *BindRecord) { + newCache := h.bindInfo.Value.Load().(cache).copy() + oldRecord := newCache.getBindRecord(hash, meta.OriginalSQL, meta.Db) + newCache.setBindRecord(hash, meta) + h.bindInfo.Value.Store(newCache) + updateMetrics(metrics.ScopeGlobal, oldRecord, meta, false) +} + // appendBindRecord addes the BindRecord to the cache, all the stale BindRecords are // removed from the cache after this operation. func (h *BindHandle) appendBindRecord(hash string, meta *BindRecord) { @@ -565,12 +574,15 @@ func (c cache) getBindRecord(hash, normdOrigSQL, db string) *BindRecord { } func (h *BindHandle) deleteBindInfoSQL(normdOrigSQL, db, bindSQL string) string { - return fmt.Sprintf( - `DELETE FROM mysql.bind_info WHERE original_sql=%s AND default_db=%s AND bind_sql=%s`, + sql := fmt.Sprintf( + `DELETE FROM mysql.bind_info WHERE original_sql=%s AND default_db=%s`, expression.Quote(normdOrigSQL), expression.Quote(db), - expression.Quote(bindSQL), ) + if bindSQL == "" { + return sql + } + return sql + fmt.Sprintf(` and bind_sql = %s`, expression.Quote(bindSQL)) } func (h *BindHandle) insertBindInfoSQL(orignalSQL string, db string, info Binding) string { @@ -587,12 +599,21 @@ func (h *BindHandle) insertBindInfoSQL(orignalSQL string, db string, info Bindin ) } +// lockBindInfoSQL simulates LOCK TABLE by updating a same row in each pessimistic transaction. +func (h *BindHandle) lockBindInfoSQL() string { + return fmt.Sprintf("UPDATE mysql.bind_info SET source=%s WHERE original_sql=%s", + expression.Quote(Builtin), + expression.Quote(BuiltinPseudoSQL4BindLock)) +} + func (h *BindHandle) logicalDeleteBindInfoSQL(originalSQL, db string, updateTs types.Time, bindingSQL string) string { - sql := fmt.Sprintf(`UPDATE mysql.bind_info SET status=%s,update_time=%s WHERE original_sql=%s and default_db=%s`, + updateTsStr := updateTs.String() + sql := fmt.Sprintf(`UPDATE mysql.bind_info SET status=%s,update_time=%s WHERE original_sql=%s and default_db=%s and update_time<%s`, expression.Quote(deleted), - expression.Quote(updateTs.String()), + expression.Quote(updateTsStr), expression.Quote(originalSQL), - expression.Quote(db)) + expression.Quote(db), + expression.Quote(updateTsStr)) if bindingSQL == "" { return sql } diff --git a/session/bootstrap.go b/session/bootstrap.go index 3722aaf668994..9c913aef2da8c 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -31,6 +31,7 @@ import ( "github.com/pingcap/parser/auth" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" + "github.com/pingcap/tidb/bindinfo" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/ddl" "github.com/pingcap/tidb/domain" @@ -234,15 +235,15 @@ const ( // CreateBindInfoTable stores the sql bind info which is used to update globalBindCache. CreateBindInfoTable = `CREATE TABLE IF NOT EXISTS mysql.bind_info ( - original_sql TEXT NOT NULL , - bind_sql TEXT NOT NULL , - default_db TEXT NOT NULL, - status TEXT NOT NULL, - create_time TIMESTAMP(3) NOT NULL, - update_time TIMESTAMP(3) NOT NULL, - charset TEXT NOT NULL, - collation TEXT NOT NULL, - source VARCHAR(10) NOT NULL DEFAULT 'unknown', + original_sql TEXT NOT NULL, + bind_sql TEXT NOT NULL, + default_db TEXT NOT NULL, + status TEXT NOT NULL, + create_time TIMESTAMP(3) NOT NULL, + update_time TIMESTAMP(3) NOT NULL, + charset TEXT NOT NULL, + collation TEXT NOT NULL, + source VARCHAR(10) NOT NULL DEFAULT 'unknown', INDEX sql_index(original_sql(1024),default_db(1024)) COMMENT "accelerate the speed when add global binding query", INDEX time_index(update_time) COMMENT "accelerate the speed when querying with last update time" ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;` @@ -437,6 +438,8 @@ const ( version55 = 55 // version56 fixes the bug that upgradeToVer49 would be missed when upgrading from v4.0 to a new version version56 = 56 + // version57 fixes the bug of concurrent create / drop binding + version57 = 57 ) var ( @@ -497,6 +500,7 @@ var ( upgradeToVer54, upgradeToVer55, upgradeToVer56, + upgradeToVer57, } ) @@ -1228,6 +1232,24 @@ func upgradeToVer56(s Session, ver int64) { doReentrantDDL(s, CreateStatsExtended) } +func upgradeToVer57(s Session, ver int64) { + if ver >= version57 { + return + } + insertBuiltinBindInfoRow(s) +} + +func initBindInfoTable(s Session) { + mustExecute(s, CreateBindInfoTable) + insertBuiltinBindInfoRow(s) +} + +func insertBuiltinBindInfoRow(s Session) { + sql := fmt.Sprintf(`INSERT HIGH_PRIORITY INTO mysql.bind_info VALUES ("%s", "%s", "mysql", "%s", "0000-00-00 00:00:00", "0000-00-00 00:00:00", "", "", "%s")`, + bindinfo.BuiltinPseudoSQL4BindLock, bindinfo.BuiltinPseudoSQL4BindLock, bindinfo.Builtin, bindinfo.Builtin) + mustExecute(s, sql) +} + func writeMemoryQuotaQuery(s Session) { comment := "memory_quota_query is 32GB by default in v3.0.x, 1GB by default in v4.0.x" sql := fmt.Sprintf(`INSERT HIGH_PRIORITY INTO %s.%s VALUES ("%s", '%d', '%s') ON DUPLICATE KEY UPDATE VARIABLE_VALUE='%d'`, @@ -1291,7 +1313,7 @@ func doDDLWorks(s Session) { // Create default_roles table. mustExecute(s, CreateDefaultRolesTable) // Create bind_info table. - mustExecute(s, CreateBindInfoTable) + initBindInfoTable(s) // Create stats_topn_store table. mustExecute(s, CreateStatsTopNTable) // Create expr_pushdown_blacklist table. diff --git a/session/session.go b/session/session.go index 3a2c661262cb5..f886e1bc6f82b 100644 --- a/session/session.go +++ b/session/session.go @@ -2133,7 +2133,7 @@ func CreateSessionWithDomain(store kv.Storage, dom *domain.Domain) (*session, er const ( notBootstrapped = 0 - currentBootstrapVersion = version56 + currentBootstrapVersion = version57 ) func getStoreBootstrapVersion(store kv.Storage) int64 { From b74e8b5cb861af4fa5059d2d08d44f851eab870f Mon Sep 17 00:00:00 2001 From: Arenatlx <314806019@qq.com> Date: Fri, 18 Dec 2020 10:22:35 +0800 Subject: [PATCH 0505/1021] ddl: add a switch for alter partition alter placement (#21833) Signed-off-by: AilinKid <314806019@qq.com> --- ddl/ddl_api.go | 6 +++++- ddl/placement_sql_test.go | 35 ++++++++++++++++++++++++++++---- session/session.go | 1 + sessionctx/variable/session.go | 6 ++++++ sessionctx/variable/sysvar.go | 1 + sessionctx/variable/tidb_vars.go | 4 ++++ 6 files changed, 48 insertions(+), 5 deletions(-) diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index f488730206871..0ce4b907edfce 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -2430,7 +2430,11 @@ func (d *ddl) AlterTable(ctx sessionctx.Context, ident ast.Ident, specs []*ast.A isAlterTable := true err = d.RenameTable(ctx, ident, newIdent, isAlterTable) case ast.AlterTableAlterPartition: - err = d.AlterTablePartition(ctx, ident, spec) + if ctx.GetSessionVars().EnableAlterPlacement { + err = d.AlterTablePartition(ctx, ident, spec) + } else { + err = errors.New("alter partition alter placement is experimental and it is switched off by tidb_enable_alter_placement") + } case ast.AlterTablePartition: // Prevent silent succeed if user executes ALTER TABLE x PARTITION BY ... err = errors.New("alter table partition is unsupported") diff --git a/ddl/placement_sql_test.go b/ddl/placement_sql_test.go index 4b324cc569218..b09621ce0aeb8 100644 --- a/ddl/placement_sql_test.go +++ b/ddl/placement_sql_test.go @@ -29,7 +29,12 @@ func (s *testDBSuite1) TestAlterTableAlterPartition(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") tk.MustExec("drop table if exists t1") - defer tk.MustExec("drop table if exists t1") + + tk.Se.GetSessionVars().EnableAlterPlacement = true + defer func() { + tk.MustExec("drop table if exists t1") + tk.Se.GetSessionVars().EnableAlterPlacement = false + }() tk.MustExec(`create table t1 (c int) PARTITION BY RANGE (c) ( @@ -290,7 +295,11 @@ add placement policy func (s *testDBSuite1) TestPlacementPolicyCache(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") - defer tk.MustExec("drop table if exists t1") + tk.Se.GetSessionVars().EnableAlterPlacement = true + defer func() { + tk.MustExec("drop table if exists t1") + tk.Se.GetSessionVars().EnableAlterPlacement = false + }() initTable := func() []string { bundles := make(map[string]*placement.Bundle) @@ -333,7 +342,11 @@ func (s *testSerialDBSuite) TestTxnScopeConstraint(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") tk.MustExec("drop table if exists t1") - defer tk.MustExec("drop table if exists t1") + tk.Se.GetSessionVars().EnableAlterPlacement = true + defer func() { + tk.MustExec("drop table if exists t1") + tk.Se.GetSessionVars().EnableAlterPlacement = false + }() tk.MustExec(`create table t1 (c int) PARTITION BY RANGE (c) ( @@ -474,7 +487,11 @@ func (s *testDBSuite1) TestAbortTxnIfPlacementChanged(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") tk.MustExec("drop table if exists tp1") - defer tk.MustExec("drop table if exists tp1") + tk.Se.GetSessionVars().EnableAlterPlacement = true + defer func() { + tk.MustExec("drop table if exists tp1") + tk.Se.GetSessionVars().EnableAlterPlacement = false + }() tk.MustExec(`create table tp1 (c int) PARTITION BY RANGE (c) ( @@ -485,6 +502,11 @@ PARTITION BY RANGE (c) ( c.Assert(err, IsNil) tk1 := testkit.NewTestKitWithSession(c, s.store, se1) tk1.MustExec("use test") + + tk1.Se.GetSessionVars().EnableAlterPlacement = true + defer func() { + tk1.Se.GetSessionVars().EnableAlterPlacement = false + }() _, err = tk.Exec(`alter table tp1 alter partition p0 add placement policy constraints='["+ zone = sh "]' @@ -529,6 +551,11 @@ func (s *testDBSuite1) TestGlobalTxnState(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") + tk.Se.GetSessionVars().EnableAlterPlacement = true + defer func() { + tk.Se.GetSessionVars().EnableAlterPlacement = false + }() + tk.MustExec(`create table t1 (c int) PARTITION BY RANGE (c) ( PARTITION p0 VALUES LESS THAN (6), diff --git a/session/session.go b/session/session.go index f886e1bc6f82b..c18f3fedd1e63 100644 --- a/session/session.go +++ b/session/session.go @@ -2286,6 +2286,7 @@ var builtinGlobalVariable = []string{ variable.TiDBEnableChangeColumnType, variable.TiDBEnableChangeMultiSchema, variable.TiDBEnablePointGetCache, + variable.TiDBEnableAlterPlacement, variable.TiDBEnableAmendPessimisticTxn, variable.TiDBMemQuotaApplyCache, variable.TiDBEnableParallelApply, diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 039887cac2510..029f08b97b6cb 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -578,6 +578,9 @@ type SessionVars struct { // EnablePointGetCache is used to cache value for point get for read only scenario. EnablePointGetCache bool + // EnableAlterPlacement indicates whether a user can alter table partition placement rules. + EnableAlterPlacement bool + // WaitSplitRegionFinish defines the split region behaviour is sync or async. WaitSplitRegionFinish bool @@ -925,6 +928,7 @@ func NewSessionVars() *SessionVars { EnableChangeColumnType: DefTiDBChangeColumnType, EnableChangeMultiSchema: DefTiDBChangeMultiSchema, EnablePointGetCache: DefTiDBPointGetCache, + EnableAlterPlacement: DefTiDBEnableAlterPlacement, EnableAmendPessimisticTxn: DefTiDBEnableAmendPessimisticTxn, PartitionPruneMode: *atomic2.NewString(DefTiDBPartitionPruneMode), TxnScope: config.GetGlobalConfig().TxnScope, @@ -1635,6 +1639,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.EnableChangeMultiSchema = TiDBOptOn(val) case TiDBEnablePointGetCache: s.EnablePointGetCache = TiDBOptOn(val) + case TiDBEnableAlterPlacement: + s.EnableAlterPlacement = TiDBOptOn(val) case TiDBEnableAmendPessimisticTxn: s.EnableAmendPessimisticTxn = TiDBOptOn(val) case TiDBTxnScope: diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 46c365f6fe100..b95ffa99fc90c 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1048,6 +1048,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: TiDBEnableChangeColumnType, Value: BoolToOnOff(DefTiDBChangeColumnType), Type: TypeBool}, {Scope: ScopeGlobal, Name: TiDBEnableChangeMultiSchema, Value: BoolToOnOff(DefTiDBChangeMultiSchema), Type: TypeBool}, {Scope: ScopeGlobal, Name: TiDBEnablePointGetCache, Value: BoolToOnOff(DefTiDBPointGetCache), Type: TypeBool}, + {Scope: ScopeGlobal, Name: TiDBEnableAlterPlacement, Value: BoolToOnOff(DefTiDBEnableAlterPlacement), Type: TypeBool}, {Scope: ScopeSession, Name: TiDBForcePriority, Value: mysql.Priority2Str[DefTiDBForcePriority]}, {Scope: ScopeSession, Name: TiDBEnableRadixJoin, Value: BoolToOnOff(DefTiDBUseRadixJoin), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptJoinReorderThreshold, Value: strconv.Itoa(DefTiDBOptJoinReorderThreshold), Type: TypeUnsigned, MinValue: 0, MaxValue: 63}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 940796582e2a8..40c71aa7c2a1e 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -358,6 +358,9 @@ const ( // TiDBEnablePointGetCache is used to control whether to enable the point get cache for special scenario. TiDBEnablePointGetCache = "tidb_enable_point_get_cache" + // TiDBEnableAlterPlacement is used to control whether to enable alter table partition. + TiDBEnableAlterPlacement = "tidb_enable_alter_placement" + // tidb_max_delta_schema_count defines the max length of deltaSchemaInfos. // deltaSchemaInfos is a queue that maintains the history of schema changes. TiDBMaxDeltaSchemaCount = "tidb_max_delta_schema_count" @@ -575,6 +578,7 @@ const ( DefTiDBChangeColumnType = false DefTiDBChangeMultiSchema = false DefTiDBPointGetCache = false + DefTiDBEnableAlterPlacement = false DefTiDBHashAggPartialConcurrency = ConcurrencyUnset DefTiDBHashAggFinalConcurrency = ConcurrencyUnset DefTiDBWindowConcurrency = ConcurrencyUnset From aa6f585b4148427b38b1b4abd7f3addc13258066 Mon Sep 17 00:00:00 2001 From: Xuhui Lu Date: Thu, 17 Dec 2020 18:46:05 -0800 Subject: [PATCH 0506/1021] expression: add annotations to inform user to import planner/core to initalize expression.RewriteAstExpr and expression.EvalAstExpr (#21789) --- expression/expression.go | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/expression/expression.go b/expression/expression.go index 646534f05c6e2..d4c9b70781319 100644 --- a/expression/expression.go +++ b/expression/expression.go @@ -48,9 +48,13 @@ const ( ) // EvalAstExpr evaluates ast expression directly. +// Note: initialized in planner/core +// import expression and planner/core together to use EvalAstExpr var EvalAstExpr func(sctx sessionctx.Context, expr ast.ExprNode) (types.Datum, error) // RewriteAstExpr rewrites ast expression directly. +// Note: initialized in planner/core +// import expression and planner/core together to use EvalAstExpr var RewriteAstExpr func(sctx sessionctx.Context, expr ast.ExprNode, schema *Schema, names types.NameSlice) (Expression, error) // VecExpr contains all vectorized evaluation methods. From fd587c3552a603ce91d9a969e0c5ff92e29636d8 Mon Sep 17 00:00:00 2001 From: Zhuomin Liu Date: Fri, 18 Dec 2020 11:05:05 +0800 Subject: [PATCH 0507/1021] session: add a switch for index merge join (#21830) Signed-off-by: lzmhhh123 --- cmd/explaintest/r/explain_complex.result | 24 +++++++------- .../r/explain_complex_stats.result | 11 +++---- cmd/explaintest/r/explain_easy.result | 12 +++---- cmd/explaintest/r/subquery.result | 6 ++-- cmd/explaintest/r/topn_push_down.result | 11 +++---- cmd/explaintest/r/tpch.result | 32 +++++++++---------- executor/executor_test.go | 3 +- executor/explainfor_test.go | 26 +++++---------- planner/core/exhaust_physical_plans.go | 18 +++++++++-- planner/core/testdata/analyze_suite_out.json | 6 ++-- planner/core/testdata/plan_suite_out.json | 10 +++--- planner/core/testdata/stats_suite_out.json | 10 +++--- session/session.go | 1 + sessionctx/variable/session.go | 6 ++++ sessionctx/variable/sysvar.go | 1 + sessionctx/variable/tidb_vars.go | 4 +++ util/ranger/testdata/ranger_suite_out.json | 10 +++--- 17 files changed, 102 insertions(+), 89 deletions(-) diff --git a/cmd/explaintest/r/explain_complex.result b/cmd/explaintest/r/explain_complex.result index a24054cbae871..7cfab6673d3bf 100644 --- a/cmd/explaintest/r/explain_complex.result +++ b/cmd/explaintest/r/explain_complex.result @@ -152,15 +152,15 @@ explain select dt.id as id, dt.aid as aid, dt.pt as pt, dt.dic as dic, dt.cm as id estRows task access object operator info Projection_10 0.01 root test.dt.id, test.dt.aid, test.dt.pt, test.dt.dic, test.dt.cm, test.rr.gid, test.rr.acd, test.rr.t, test.dt.p1, test.dt.p2, test.dt.p3, test.dt.p4, test.dt.p5, test.dt.p6_md5, test.dt.p7_md5 └─Limit_13 0.01 root offset:0, count:2000 - └─IndexMergeJoin_43 0.01 root inner join, inner:IndexLookUp_41, outer key:test.rr.aid, test.rr.dic, inner key:test.dt.aid, test.dt.dic + └─IndexJoin_34 0.01 root inner join, inner:IndexLookUp_33, outer key:test.rr.aid, test.rr.dic, inner key:test.dt.aid, test.dt.dic, equal cond:eq(test.rr.aid, test.dt.aid), eq(test.rr.dic, test.dt.dic) ├─TableReader_61(Build) 3.33 root data:Selection_60 │ └─Selection_60 3.33 cop[tikv] eq(test.rr.pt, "ios"), gt(test.rr.t, 1478185592) │ └─TableFullScan_59 10000.00 cop[tikv] table:rr keep order:false, stats:pseudo - └─IndexLookUp_41(Probe) 0.00 root - ├─Selection_39(Build) 1.00 cop[tikv] not(isnull(test.dt.dic)) - │ └─IndexRangeScan_37 1.00 cop[tikv] table:dt, index:aid(aid, dic) range: decided by [eq(test.dt.aid, test.rr.aid) eq(test.dt.dic, test.rr.dic)], keep order:true, stats:pseudo - └─Selection_40(Probe) 0.00 cop[tikv] eq(test.dt.bm, 0), eq(test.dt.pt, "ios"), gt(test.dt.t, 1478185592) - └─TableRowIDScan_38 1.00 cop[tikv] table:dt keep order:false, stats:pseudo + └─IndexLookUp_33(Probe) 0.00 root + ├─Selection_31(Build) 1.00 cop[tikv] not(isnull(test.dt.dic)) + │ └─IndexRangeScan_29 1.00 cop[tikv] table:dt, index:aid(aid, dic) range: decided by [eq(test.dt.aid, test.rr.aid) eq(test.dt.dic, test.rr.dic)], keep order:false, stats:pseudo + └─Selection_32(Probe) 0.00 cop[tikv] eq(test.dt.bm, 0), eq(test.dt.pt, "ios"), gt(test.dt.t, 1478185592) + └─TableRowIDScan_30 1.00 cop[tikv] table:dt keep order:false, stats:pseudo explain select pc,cr,count(DISTINCT uid) as pay_users,count(oid) as pay_times,sum(am) as am from pp where ps=2 and ppt>=1478188800 and ppt<1478275200 and pi in ('510017','520017') and uid in ('18089709','18090780') group by pc,cr; id estRows task access object operator info Projection_5 1.00 root test.pp.pc, test.pp.cr, Column#22, Column#23, Column#24 @@ -247,16 +247,16 @@ Sort_10 1.00 root test.org_department.left_value └─HashAgg_15 1.00 root group by:test.org_department.id, funcs:firstrow(test.org_department.id)->test.org_department.id, funcs:firstrow(test.org_department.ctx)->test.org_department.ctx, funcs:firstrow(test.org_department.name)->test.org_department.name, funcs:firstrow(test.org_department.left_value)->test.org_department.left_value, funcs:firstrow(test.org_department.right_value)->test.org_department.right_value, funcs:firstrow(test.org_department.depth)->test.org_department.depth, funcs:firstrow(test.org_department.leader_id)->test.org_department.leader_id, funcs:firstrow(test.org_department.status)->test.org_department.status, funcs:firstrow(test.org_department.created_on)->test.org_department.created_on, funcs:firstrow(test.org_department.updated_on)->test.org_department.updated_on └─Selection_22 0.01 root or(eq(test.org_employee_position.user_id, 62), or(eq(test.org_department.id, 20), eq(test.org_department.id, 20))) └─HashJoin_24 0.02 root left outer join, equal:[eq(test.org_position.id, test.org_employee_position.position_id)] - ├─IndexMergeJoin_42(Build) 0.01 root left outer join, inner:IndexLookUp_40, outer key:test.org_department.id, inner key:test.org_position.department_id + ├─IndexJoin_33(Build) 0.01 root left outer join, inner:IndexLookUp_32, outer key:test.org_department.id, inner key:test.org_position.department_id, equal cond:eq(test.org_department.id, test.org_position.department_id) │ ├─IndexLookUp_62(Build) 0.01 root │ │ ├─IndexRangeScan_59(Build) 10.00 cop[tikv] table:d, index:org_department_ctx_index(ctx) range:[1,1], keep order:false, stats:pseudo │ │ └─Selection_61(Probe) 0.01 cop[tikv] eq(test.org_department.status, 1000) │ │ └─TableRowIDScan_60 10.00 cop[tikv] table:d keep order:false, stats:pseudo - │ └─IndexLookUp_40(Probe) 1.25 root - │ ├─Selection_38(Build) 1250.00 cop[tikv] not(isnull(test.org_position.department_id)) - │ │ └─IndexRangeScan_36 1251.25 cop[tikv] table:p, index:org_position_department_id_index(department_id) range: decided by [eq(test.org_position.department_id, test.org_department.id)], keep order:true, stats:pseudo - │ └─Selection_39(Probe) 1.25 cop[tikv] eq(test.org_position.status, 1000) - │ └─TableRowIDScan_37 1250.00 cop[tikv] table:p keep order:false, stats:pseudo + │ └─IndexLookUp_32(Probe) 1.25 root + │ ├─Selection_30(Build) 1250.00 cop[tikv] not(isnull(test.org_position.department_id)) + │ │ └─IndexRangeScan_28 1251.25 cop[tikv] table:p, index:org_position_department_id_index(department_id) range: decided by [eq(test.org_position.department_id, test.org_department.id)], keep order:false, stats:pseudo + │ └─Selection_31(Probe) 1.25 cop[tikv] eq(test.org_position.status, 1000) + │ └─TableRowIDScan_29 1250.00 cop[tikv] table:p keep order:false, stats:pseudo └─TableReader_72(Probe) 9.99 root data:Selection_71 └─Selection_71 9.99 cop[tikv] eq(test.org_employee_position.status, 1000), not(isnull(test.org_employee_position.position_id)) └─TableFullScan_70 10000.00 cop[tikv] table:ep keep order:false, stats:pseudo diff --git a/cmd/explaintest/r/explain_complex_stats.result b/cmd/explaintest/r/explain_complex_stats.result index 7d015e0b5170a..aed18d787a36c 100644 --- a/cmd/explaintest/r/explain_complex_stats.result +++ b/cmd/explaintest/r/explain_complex_stats.result @@ -159,15 +159,14 @@ explain select dt.id as id, dt.aid as aid, dt.pt as pt, dt.dic as dic, dt.cm as id estRows task access object operator info Projection_10 428.32 root test.dt.id, test.dt.aid, test.dt.pt, test.dt.dic, test.dt.cm, test.rr.gid, test.rr.acd, test.rr.t, test.dt.p1, test.dt.p2, test.dt.p3, test.dt.p4, test.dt.p5, test.dt.p6_md5, test.dt.p7_md5 └─Limit_13 428.32 root offset:0, count:2000 - └─IndexMergeJoin_28 428.32 root inner join, inner:Projection_26, outer key:test.dt.aid, test.dt.dic, inner key:test.rr.aid, test.rr.dic + └─IndexJoin_19 428.32 root inner join, inner:IndexLookUp_18, outer key:test.dt.aid, test.dt.dic, inner key:test.rr.aid, test.rr.dic, equal cond:eq(test.dt.aid, test.rr.aid), eq(test.dt.dic, test.rr.dic) ├─TableReader_58(Build) 428.32 root data:Selection_57 │ └─Selection_57 428.32 cop[tikv] eq(test.dt.bm, 0), eq(test.dt.pt, "ios"), gt(test.dt.t, 1478185592), not(isnull(test.dt.dic)) │ └─TableRangeScan_56 2000.00 cop[tikv] table:dt range:[0,+inf], keep order:false - └─Projection_26(Probe) 1.00 root test.rr.aid, test.rr.pt, test.rr.dic, test.rr.gid, test.rr.acd, test.rr.t - └─IndexLookUp_25 1.00 root - ├─IndexRangeScan_22(Build) 1.00 cop[tikv] table:rr, index:PRIMARY(aid, dic) range: decided by [eq(test.rr.aid, test.dt.aid) eq(test.rr.dic, test.dt.dic)], keep order:true - └─Selection_24(Probe) 1.00 cop[tikv] eq(test.rr.pt, "ios"), gt(test.rr.t, 1478185592) - └─TableRowIDScan_23 1.00 cop[tikv] table:rr keep order:false + └─IndexLookUp_18(Probe) 1.00 root + ├─IndexRangeScan_15(Build) 1.00 cop[tikv] table:rr, index:PRIMARY(aid, dic) range: decided by [eq(test.rr.aid, test.dt.aid) eq(test.rr.dic, test.dt.dic)], keep order:false + └─Selection_17(Probe) 1.00 cop[tikv] eq(test.rr.pt, "ios"), gt(test.rr.t, 1478185592) + └─TableRowIDScan_16 1.00 cop[tikv] table:rr keep order:false explain select pc,cr,count(DISTINCT uid) as pay_users,count(oid) as pay_times,sum(am) as am from pp where ps=2 and ppt>=1478188800 and ppt<1478275200 and pi in ('510017','520017') and uid in ('18089709','18090780') group by pc,cr; id estRows task access object operator info Projection_5 207.86 root test.pp.pc, test.pp.cr, Column#22, Column#23, Column#24 diff --git a/cmd/explaintest/r/explain_easy.result b/cmd/explaintest/r/explain_easy.result index c2f177b20f85d..647ceadb2a7db 100644 --- a/cmd/explaintest/r/explain_easy.result +++ b/cmd/explaintest/r/explain_easy.result @@ -323,11 +323,11 @@ Projection_11 10000.00 root Column#11 ├─TableReader_15(Build) 10000.00 root data:TableFullScan_14 │ └─TableFullScan_14 10000.00 cop[tikv] table:t keep order:false, stats:pseudo └─StreamAgg_20(Probe) 1.00 root funcs:count(1)->Column#10 - └─IndexMergeJoin_46 12.50 root inner join, inner:TableReader_41, outer key:test.t.a, inner key:test.t.a + └─IndexJoin_42 12.50 root inner join, inner:TableReader_39, outer key:test.t.a, inner key:test.t.a, equal cond:eq(test.t.a, test.t.a) ├─IndexReader_33(Build) 10.00 root index:IndexRangeScan_32 │ └─IndexRangeScan_32 10.00 cop[tikv] table:s, index:idx(b) range: decided by [eq(test.t.b, test.t.a)], keep order:false, stats:pseudo - └─TableReader_41(Probe) 1.00 root data:TableRangeScan_40 - └─TableRangeScan_40 1.00 cop[tikv] table:t1 range: decided by [test.t.a], keep order:true, stats:pseudo + └─TableReader_39(Probe) 1.00 root data:TableRangeScan_38 + └─TableRangeScan_38 1.00 cop[tikv] table:t1 range: decided by [test.t.a], keep order:false, stats:pseudo explain select t.c in (select count(*) from t s use index(idx), t t1 where s.b = t.a and s.c = t1.a) from t; id estRows task access object operator info Projection_11 10000.00 root Column#11 @@ -335,13 +335,13 @@ Projection_11 10000.00 root Column#11 ├─TableReader_15(Build) 10000.00 root data:TableFullScan_14 │ └─TableFullScan_14 10000.00 cop[tikv] table:t keep order:false, stats:pseudo └─StreamAgg_20(Probe) 1.00 root funcs:count(1)->Column#10 - └─IndexMergeJoin_48 12.49 root inner join, inner:TableReader_43, outer key:test.t.c, inner key:test.t.a + └─IndexJoin_44 12.49 root inner join, inner:TableReader_41, outer key:test.t.c, inner key:test.t.a, equal cond:eq(test.t.c, test.t.a) ├─IndexLookUp_35(Build) 9.99 root │ ├─IndexRangeScan_32(Build) 10.00 cop[tikv] table:s, index:idx(b) range: decided by [eq(test.t.b, test.t.a)], keep order:false, stats:pseudo │ └─Selection_34(Probe) 9.99 cop[tikv] not(isnull(test.t.c)) │ └─TableRowIDScan_33 10.00 cop[tikv] table:s keep order:false, stats:pseudo - └─TableReader_43(Probe) 1.00 root data:TableRangeScan_42 - └─TableRangeScan_42 1.00 cop[tikv] table:t1 range: decided by [test.t.c], keep order:true, stats:pseudo + └─TableReader_41(Probe) 1.00 root data:TableRangeScan_40 + └─TableRangeScan_40 1.00 cop[tikv] table:t1 range: decided by [test.t.c], keep order:false, stats:pseudo insert into t values(1, 1, 1), (2, 2 ,2), (3, 3, 3), (4, 3, 4),(5,3,5); analyze table t; explain select t.c in (select count(*) from t s, t t1 where s.b = t.a and s.b = 3 and s.a = t1.a) from t; diff --git a/cmd/explaintest/r/subquery.result b/cmd/explaintest/r/subquery.result index 68285589bed12..27680c1b536fa 100644 --- a/cmd/explaintest/r/subquery.result +++ b/cmd/explaintest/r/subquery.result @@ -22,11 +22,11 @@ Projection_11 5.00 root Column#14 ├─TableReader_15(Build) 5.00 root data:TableFullScan_14 │ └─TableFullScan_14 5.00 cop[tikv] table:t keep order:false └─StreamAgg_22(Probe) 1.00 root funcs:count(1)->Column#13 - └─IndexMergeJoin_31 0.50 root inner join, inner:TableReader_26, outer key:test.t.a, inner key:test.t.a + └─IndexJoin_27 0.50 root inner join, inner:TableReader_24, outer key:test.t.a, inner key:test.t.a, equal cond:eq(test.t.a, test.t.a) ├─IndexReader_35(Build) 1.00 root index:IndexRangeScan_34 │ └─IndexRangeScan_34 1.00 cop[tikv] table:s, index:idx(b, c, d) range: decided by [eq(test.t.b, 1) eq(test.t.c, 1) eq(test.t.d, test.t.a)], keep order:false - └─TableReader_26(Probe) 1.00 root data:TableRangeScan_25 - └─TableRangeScan_25 1.00 cop[tikv] table:t1 range: decided by [test.t.a], keep order:true + └─TableReader_24(Probe) 1.00 root data:TableRangeScan_23 + └─TableRangeScan_23 1.00 cop[tikv] table:t1 range: decided by [test.t.a], keep order:false drop table if exists t; create table t(a int, b int, c int); explain select a from t t1 where t1.a = (select max(t2.a) from t t2 where t1.b=t2.b and t1.c=t2.b); diff --git a/cmd/explaintest/r/topn_push_down.result b/cmd/explaintest/r/topn_push_down.result index c98a4085ec755..b750ec9b3b3c6 100644 --- a/cmd/explaintest/r/topn_push_down.result +++ b/cmd/explaintest/r/topn_push_down.result @@ -170,17 +170,16 @@ id estRows task access object operator info Limit_19 0.00 root offset:0, count:5 └─IndexJoin_118 0.00 root left outer join, inner:IndexReader_117, outer key:test.tr.id, inner key:test.p.relate_id, equal cond:eq(test.tr.id, test.p.relate_id) ├─TopN_127(Build) 0.00 root test.te.expect_time, offset:0, count:5 - │ └─IndexMergeJoin_53 0.00 root inner join, inner:Projection_51, outer key:test.tr.id, inner key:test.te.trade_id + │ └─IndexJoin_44 0.00 root inner join, inner:IndexLookUp_43, outer key:test.tr.id, inner key:test.te.trade_id, equal cond:eq(test.tr.id, test.te.trade_id) │ ├─IndexLookUp_98(Build) 0.00 root │ │ ├─Selection_96(Build) 0.00 cop[tikv] eq(test.tr.business_type, 18), eq(test.tr.trade_type, 1) │ │ │ └─IndexRangeScan_94 10.00 cop[tikv] table:tr, index:idx_shop_identy_trade_status_business_type(shop_identy, trade_status, business_type, trade_pay_status, trade_type, delivery_type, source, biz_date) range:[810094178,810094178], keep order:false, stats:pseudo │ │ └─Selection_97(Probe) 0.00 cop[tikv] eq(test.tr.brand_identy, 32314), eq(test.tr.domain_type, 2) │ │ └─TableRowIDScan_95 0.00 cop[tikv] table:tr keep order:false, stats:pseudo - │ └─Projection_51(Probe) 1.25 root test.te.trade_id, test.te.expect_time - │ └─IndexLookUp_50 1.25 root - │ ├─IndexRangeScan_47(Build) 50.00 cop[tikv] table:te, index:idx_trade_id(trade_id) range: decided by [eq(test.te.trade_id, test.tr.id)], keep order:true, stats:pseudo - │ └─Selection_49(Probe) 1.25 cop[tikv] ge(test.te.expect_time, 2018-04-23 00:00:00.000000), le(test.te.expect_time, 2018-04-23 23:59:59.000000) - │ └─TableRowIDScan_48 50.00 cop[tikv] table:te keep order:false, stats:pseudo + │ └─IndexLookUp_43(Probe) 1.25 root + │ ├─IndexRangeScan_40(Build) 50.00 cop[tikv] table:te, index:idx_trade_id(trade_id) range: decided by [eq(test.te.trade_id, test.tr.id)], keep order:false, stats:pseudo + │ └─Selection_42(Probe) 1.25 cop[tikv] ge(test.te.expect_time, 2018-04-23 00:00:00.000000), le(test.te.expect_time, 2018-04-23 23:59:59.000000) + │ └─TableRowIDScan_41 50.00 cop[tikv] table:te keep order:false, stats:pseudo └─IndexReader_117(Probe) 1.25 root index:Selection_116 └─Selection_116 1.25 cop[tikv] not(isnull(test.p.relate_id)) └─IndexRangeScan_115 1.25 cop[tikv] table:p, index:payment_relate_id(relate_id) range: decided by [eq(test.p.relate_id, test.tr.id)], keep order:false, stats:pseudo diff --git a/cmd/explaintest/r/tpch.result b/cmd/explaintest/r/tpch.result index 317fd2a184f30..fc93eec4041b5 100644 --- a/cmd/explaintest/r/tpch.result +++ b/cmd/explaintest/r/tpch.result @@ -454,7 +454,7 @@ Sort_22 769.96 root tpch.nation.n_name, tpch.nation.n_name, Column#50 └─HashJoin_51(Probe) 24465505.20 root inner join, equal:[eq(tpch.orders.o_custkey, tpch.customer.c_custkey)] ├─TableReader_91(Build) 7500000.00 root data:TableFullScan_90 │ └─TableFullScan_90 7500000.00 cop[tikv] table:customer keep order:false - └─IndexMergeJoin_62(Probe) 24465505.20 root inner join, inner:TableReader_57, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey + └─IndexJoin_58(Probe) 24465505.20 root inner join, inner:TableReader_55, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey) ├─HashJoin_66(Build) 24465505.20 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] │ ├─HashJoin_79(Build) 40000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] │ │ ├─TableReader_84(Build) 2.00 root data:Selection_83 @@ -465,8 +465,8 @@ Sort_22 769.96 root tpch.nation.n_name, tpch.nation.n_name, Column#50 │ └─TableReader_87(Probe) 91446230.29 root data:Selection_86 │ └─Selection_86 91446230.29 cop[tikv] ge(tpch.lineitem.l_shipdate, 1995-01-01 00:00:00.000000), le(tpch.lineitem.l_shipdate, 1996-12-31 00:00:00.000000) │ └─TableFullScan_85 300005811.00 cop[tikv] table:lineitem keep order:false - └─TableReader_57(Probe) 1.00 root data:TableRangeScan_56 - └─TableRangeScan_56 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:true + └─TableReader_55(Probe) 1.00 root data:TableRangeScan_54 + └─TableRangeScan_54 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:false /* Q8 National Market Share Query This query determines how the market share of a given nation within a given region has changed over two years for @@ -769,12 +769,12 @@ Sort_9 1.00 root tpch.lineitem.l_shipmode └─Projection_11 1.00 root tpch.lineitem.l_shipmode, Column#27, Column#28 └─HashAgg_14 1.00 root group by:Column#40, funcs:sum(Column#37)->Column#27, funcs:sum(Column#38)->Column#28, funcs:firstrow(Column#39)->tpch.lineitem.l_shipmode └─Projection_54 10023369.01 root cast(case(or(eq(tpch.orders.o_orderpriority, 1-URGENT), eq(tpch.orders.o_orderpriority, 2-HIGH)), 1, 0), decimal(22,0) BINARY)->Column#37, cast(case(and(ne(tpch.orders.o_orderpriority, 1-URGENT), ne(tpch.orders.o_orderpriority, 2-HIGH)), 1, 0), decimal(22,0) BINARY)->Column#38, tpch.lineitem.l_shipmode, tpch.lineitem.l_shipmode - └─IndexMergeJoin_24 10023369.01 root inner join, inner:TableReader_19, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey + └─IndexJoin_20 10023369.01 root inner join, inner:TableReader_17, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey) ├─TableReader_50(Build) 10023369.01 root data:Selection_49 │ └─Selection_49 10023369.01 cop[tikv] ge(tpch.lineitem.l_receiptdate, 1997-01-01 00:00:00.000000), in(tpch.lineitem.l_shipmode, "RAIL", "FOB"), lt(tpch.lineitem.l_commitdate, tpch.lineitem.l_receiptdate), lt(tpch.lineitem.l_receiptdate, 1998-01-01), lt(tpch.lineitem.l_shipdate, tpch.lineitem.l_commitdate) │ └─TableFullScan_48 300005811.00 cop[tikv] table:lineitem keep order:false - └─TableReader_19(Probe) 1.00 root data:TableRangeScan_18 - └─TableRangeScan_18 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:true + └─TableReader_17(Probe) 1.00 root data:TableRangeScan_16 + └─TableRangeScan_16 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:false /* Q13 Customer Distribution Query This query seeks relationships between customers and the size of their orders. @@ -840,12 +840,12 @@ id estRows task access object operator info Projection_8 1.00 root div(mul(100.00, Column#27), Column#28)->Column#29 └─StreamAgg_13 1.00 root funcs:sum(Column#31)->Column#27, funcs:sum(Column#32)->Column#28 └─Projection_41 4121984.49 root case(like(tpch.part.p_type, PROMO%, 92), mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount)), 0)->Column#31, mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#32 - └─IndexMergeJoin_38 4121984.49 root inner join, inner:TableReader_33, outer key:tpch.lineitem.l_partkey, inner key:tpch.part.p_partkey + └─IndexJoin_34 4121984.49 root inner join, inner:TableReader_31, outer key:tpch.lineitem.l_partkey, inner key:tpch.part.p_partkey, equal cond:eq(tpch.lineitem.l_partkey, tpch.part.p_partkey) ├─TableReader_27(Build) 4121984.49 root data:Selection_26 │ └─Selection_26 4121984.49 cop[tikv] ge(tpch.lineitem.l_shipdate, 1996-12-01 00:00:00.000000), lt(tpch.lineitem.l_shipdate, 1997-01-01) │ └─TableFullScan_25 300005811.00 cop[tikv] table:lineitem keep order:false - └─TableReader_33(Probe) 1.00 root data:TableRangeScan_32 - └─TableRangeScan_32 1.00 cop[tikv] table:part range: decided by [tpch.lineitem.l_partkey], keep order:true + └─TableReader_31(Probe) 1.00 root data:TableRangeScan_30 + └─TableRangeScan_30 1.00 cop[tikv] table:part range: decided by [tpch.lineitem.l_partkey], keep order:false /* Q15 Top Supplier Query This query determines the top supplier so it can be rewarded, given more business, or identified for special recognition. @@ -933,12 +933,12 @@ Sort_13 14.41 root Column#23:desc, tpch.part.p_brand, tpch.part.p_type, tpch.pa ├─TableReader_66(Build) 400000.00 root data:Selection_65 │ └─Selection_65 400000.00 cop[tikv] like(tpch.supplier.s_comment, "%Customer%Complaints%", 92) │ └─TableFullScan_64 500000.00 cop[tikv] table:supplier keep order:false - └─IndexMergeJoin_38(Probe) 4829985.30 root inner join, inner:IndexReader_36, outer key:tpch.part.p_partkey, inner key:tpch.partsupp.ps_partkey + └─IndexHashJoin_34(Probe) 4829985.30 root inner join, inner:IndexReader_31, outer key:tpch.part.p_partkey, inner key:tpch.partsupp.ps_partkey, equal cond:eq(tpch.part.p_partkey, tpch.partsupp.ps_partkey) ├─TableReader_59(Build) 1200618.43 root data:Selection_58 │ └─Selection_58 1200618.43 cop[tikv] in(tpch.part.p_size, 48, 19, 12, 4, 41, 7, 21, 39), ne(tpch.part.p_brand, "Brand#34"), not(like(tpch.part.p_type, "LARGE BRUSHED%", 92)) │ └─TableFullScan_57 10000000.00 cop[tikv] table:part keep order:false - └─IndexReader_36(Probe) 4.02 root index:IndexRangeScan_35 - └─IndexRangeScan_35 4.02 cop[tikv] table:partsupp, index:PRIMARY(PS_PARTKEY, PS_SUPPKEY) range: decided by [eq(tpch.partsupp.ps_partkey, tpch.part.p_partkey)], keep order:true + └─IndexReader_31(Probe) 4.02 root index:IndexRangeScan_30 + └─IndexRangeScan_30 4.02 cop[tikv] table:partsupp, index:PRIMARY(PS_PARTKEY, PS_SUPPKEY) range: decided by [eq(tpch.partsupp.ps_partkey, tpch.part.p_partkey)], keep order:false /* Q17 Small-Quantity-Order Revenue Query This query determines how much average yearly revenue would be lost if orders were no longer filled for small @@ -1220,7 +1220,7 @@ Projection_25 100.00 root tpch.supplier.s_name, Column#72 └─HashAgg_34 12800.00 root group by:tpch.supplier.s_name, funcs:count(1)->Column#72, funcs:firstrow(tpch.supplier.s_name)->tpch.supplier.s_name └─IndexHashJoin_42 7828961.66 root anti semi join, inner:IndexLookUp_39, outer key:tpch.lineitem.l_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey), other cond:ne(tpch.lineitem.l_suppkey, tpch.lineitem.l_suppkey) ├─IndexHashJoin_82(Build) 9786202.08 root semi join, inner:IndexLookUp_79, outer key:tpch.lineitem.l_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey), other cond:ne(tpch.lineitem.l_suppkey, tpch.lineitem.l_suppkey), ne(tpch.lineitem.l_suppkey, tpch.supplier.s_suppkey) - │ ├─IndexMergeJoin_101(Build) 12232752.60 root inner join, inner:TableReader_96, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey + │ ├─IndexJoin_97(Build) 12232752.60 root inner join, inner:TableReader_93, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey) │ │ ├─HashJoin_105(Build) 12232752.60 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] │ │ │ ├─HashJoin_118(Build) 20000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] │ │ │ │ ├─TableReader_123(Build) 1.00 root data:Selection_122 @@ -1231,9 +1231,9 @@ Projection_25 100.00 root tpch.supplier.s_name, Column#72 │ │ │ └─TableReader_126(Probe) 240004648.80 root data:Selection_125 │ │ │ └─Selection_125 240004648.80 cop[tikv] gt(tpch.lineitem.l_receiptdate, tpch.lineitem.l_commitdate) │ │ │ └─TableFullScan_124 300005811.00 cop[tikv] table:l1 keep order:false - │ │ └─TableReader_96(Probe) 0.49 root data:Selection_95 - │ │ └─Selection_95 0.49 cop[tikv] eq(tpch.orders.o_orderstatus, "F") - │ │ └─TableRangeScan_94 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:true + │ │ └─TableReader_93(Probe) 0.49 root data:Selection_92 + │ │ └─Selection_92 0.49 cop[tikv] eq(tpch.orders.o_orderstatus, "F") + │ │ └─TableRangeScan_91 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:false │ └─IndexLookUp_79(Probe) 4.05 root │ ├─IndexRangeScan_77(Build) 4.05 cop[tikv] table:l2, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey)], keep order:false │ └─TableRowIDScan_78(Probe) 4.05 cop[tikv] table:l2 keep order:false diff --git a/executor/executor_test.go b/executor/executor_test.go index 1f06bd03bae44..44c6541cb2e4f 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -3990,7 +3990,8 @@ func (s *testSuite3) TestIndexJoinTableDualPanic(c *C) { tk.MustExec("drop table if exists a") tk.MustExec("create table a (f1 int, f2 varchar(32), primary key (f1))") tk.MustExec("insert into a (f1,f2) values (1,'a'), (2,'b'), (3,'c')") - tk.MustQuery("select a.* from a inner join (select 1 as k1,'k2-1' as k2) as k on a.f1=k.k1;"). + // TODO here: index join cause the data race of txn. + tk.MustQuery("select /*+ inl_merge_join(a) */ a.* from a inner join (select 1 as k1,'k2-1' as k2) as k on a.f1=k.k1;"). Check(testkit.Rows("1 a")) } diff --git a/executor/explainfor_test.go b/executor/explainfor_test.go index d8915604eb442..6779a1860e1f1 100644 --- a/executor/explainfor_test.go +++ b/executor/explainfor_test.go @@ -19,6 +19,7 @@ import ( "fmt" "math" "strconv" + "strings" "sync" . "github.com/pingcap/check" @@ -459,15 +460,10 @@ func (s *testPrepareSerialSuite) TestPointGetUserVarPlanCache(c *C) { ps := []*util.ProcessInfo{tkProcess} tk.Se.SetSessionManager(&mockSessionManager1{PS: ps}) // t2 should use PointGet. - tk.MustQuery(fmt.Sprintf("explain for connection %d", tkProcess.ID)).Check(testkit.Rows( - "Projection_7 1.00 root test.t1.a, test.t1.b, test.t2.a, test.t2.b", - "└─IndexMergeJoin_19 1.00 root inner join, inner:TableReader_14, outer key:test.t2.a, inner key:test.t1.a", - " ├─Selection_41(Build) 0.80 root not(isnull(test.t2.a))", - " │ └─Point_Get_40 1.00 root table:t2, index:idx_a(a) ", - " └─TableReader_14(Probe) 0.00 root data:Selection_13", - " └─Selection_13 0.00 cop[tikv] eq(test.t1.a, 1)", - " └─TableRangeScan_12 1.00 cop[tikv] table:t1 range: decided by [test.t2.a], keep order:true, stats:pseudo", - )) + rows := tk.MustQuery(fmt.Sprintf("explain for connection %d", tkProcess.ID)).Rows() + c.Assert(strings.Contains(fmt.Sprintf("%v", rows[3][0]), "Point_Get"), IsTrue) + c.Assert(strings.Contains(fmt.Sprintf("%v", rows[3][3]), "table:t2"), IsTrue) + tk.MustExec("set @a=2") tk.MustQuery("execute stmt using @a").Check(testkit.Rows( "2 4 2 2", @@ -476,15 +472,9 @@ func (s *testPrepareSerialSuite) TestPointGetUserVarPlanCache(c *C) { ps = []*util.ProcessInfo{tkProcess} tk.Se.SetSessionManager(&mockSessionManager1{PS: ps}) // t2 should use PointGet, range is changed to [2,2]. - tk.MustQuery(fmt.Sprintf("explain for connection %d", tkProcess.ID)).Check(testkit.Rows( - "Projection_7 1.00 root test.t1.a, test.t1.b, test.t2.a, test.t2.b", - "└─IndexMergeJoin_19 1.00 root inner join, inner:TableReader_14, outer key:test.t2.a, inner key:test.t1.a", - " ├─Selection_41(Build) 0.80 root not(isnull(test.t2.a))", - " │ └─Point_Get_40 1.00 root table:t2, index:idx_a(a) ", - " └─TableReader_14(Probe) 0.00 root data:Selection_13", - " └─Selection_13 0.00 cop[tikv] eq(test.t1.a, 2)", - " └─TableRangeScan_12 1.00 cop[tikv] table:t1 range: decided by [test.t2.a], keep order:true, stats:pseudo", - )) + rows = tk.MustQuery(fmt.Sprintf("explain for connection %d", tkProcess.ID)).Rows() + c.Assert(strings.Contains(fmt.Sprintf("%v", rows[3][0]), "Point_Get"), IsTrue) + c.Assert(strings.Contains(fmt.Sprintf("%v", rows[3][3]), "table:t2"), IsTrue) tk.MustQuery("execute stmt using @a").Check(testkit.Rows( "2 4 2 2", )) diff --git a/planner/core/exhaust_physical_plans.go b/planner/core/exhaust_physical_plans.go index 4cea140dd2dd6..d4d35b2ad22c6 100644 --- a/planner/core/exhaust_physical_plans.go +++ b/planner/core/exhaust_physical_plans.go @@ -1462,6 +1462,18 @@ func (ijHelper *indexJoinBuildHelper) buildTemplateRange(matchedKeyCnt int, eqAn return ranges, false, nil } +func filterIndexJoinBySessionVars(sc sessionctx.Context, indexJoins []PhysicalPlan) []PhysicalPlan { + if sc.GetSessionVars().EnableIndexMergeJoin { + return indexJoins + } + for i := len(indexJoins) - 1; i >= 0; i-- { + if _, ok := indexJoins[i].(*PhysicalIndexMergeJoin); ok { + indexJoins = append(indexJoins[:i], indexJoins[i+1:]...) + } + } + return indexJoins +} + // tryToGetIndexJoin will get index join by hints. If we can generate a valid index join by hint, the second return value // will be true, which means we force to choose this index join. Otherwise we will select a join algorithm with min-cost. func (p *LogicalJoin) tryToGetIndexJoin(prop *property.PhysicalProperty) (indexJoins []PhysicalPlan, canForced bool) { @@ -1554,7 +1566,7 @@ func (p *LogicalJoin) tryToGetIndexJoin(prop *property.PhysicalProperty) (indexJ } switch { case len(forcedLeftOuterJoins) == 0 && !supportRightOuter: - return allLeftOuterJoins, false + return filterIndexJoinBySessionVars(p.ctx, allLeftOuterJoins), false case len(forcedLeftOuterJoins) != 0 && (!supportRightOuter || (forceLeftOuter && !forceRightOuter)): return forcedLeftOuterJoins, true } @@ -1580,7 +1592,7 @@ func (p *LogicalJoin) tryToGetIndexJoin(prop *property.PhysicalProperty) (indexJ } switch { case len(forcedRightOuterJoins) == 0 && !supportLeftOuter: - return allRightOuterJoins, false + return filterIndexJoinBySessionVars(p.ctx, allRightOuterJoins), false case len(forcedRightOuterJoins) != 0 && (!supportLeftOuter || (forceRightOuter && !forceLeftOuter)): return forcedRightOuterJoins, true } @@ -1592,7 +1604,7 @@ func (p *LogicalJoin) tryToGetIndexJoin(prop *property.PhysicalProperty) (indexJ if canForced { return append(forcedLeftOuterJoins, forcedRightOuterJoins...), true } - return append(allLeftOuterJoins, allRightOuterJoins...), false + return filterIndexJoinBySessionVars(p.ctx, append(allLeftOuterJoins, allRightOuterJoins...)), false } // LogicalJoin can generates hash join, index join and sort merge join. diff --git a/planner/core/testdata/analyze_suite_out.json b/planner/core/testdata/analyze_suite_out.json index 994ad6b67e179..32d4cb6b49e15 100644 --- a/planner/core/testdata/analyze_suite_out.json +++ b/planner/core/testdata/analyze_suite_out.json @@ -47,13 +47,13 @@ ], "Plan": [ "Limit_17 1.00 root offset:0, count:1", - "└─IndexMergeJoin_72 1.00 root left outer semi join, inner:IndexReader_70, outer key:test.t.a, inner key:test.t.b", + "└─IndexJoin_66 1.00 root left outer semi join, inner:IndexReader_65, outer key:test.t.a, inner key:test.t.b, equal cond:eq(test.t.a, test.t.b)", " ├─TopN_29(Build) 1.00 root test.t.a, offset:0, count:1", " │ └─IndexReader_37 1.00 root index:TopN_36", " │ └─TopN_36 1.00 cop[tikv] test.t.a, offset:0, count:1", " │ └─IndexRangeScan_35 6.00 cop[tikv] table:t1, index:idx_bc(b, c) range:[-inf,6], keep order:false", - " └─IndexReader_70(Probe) 1.04 root index:IndexRangeScan_69", - " └─IndexRangeScan_69 1.04 cop[tikv] table:t2, index:idx_bc(b, c) range: decided by [eq(test.t.b, test.t.a)], keep order:true" + " └─IndexReader_65(Probe) 1.04 root index:IndexRangeScan_64", + " └─IndexRangeScan_64 1.04 cop[tikv] table:t2, index:idx_bc(b, c) range: decided by [eq(test.t.b, test.t.a)], keep order:false" ] }, { diff --git a/planner/core/testdata/plan_suite_out.json b/planner/core/testdata/plan_suite_out.json index a1d2c72ad0295..e05bdbb0d1495 100644 --- a/planner/core/testdata/plan_suite_out.json +++ b/planner/core/testdata/plan_suite_out.json @@ -357,7 +357,7 @@ }, { "SQL": "select * from (select * from t use index() order by b) t left join t t1 on t.a=t1.a limit 10", - "Best": "IndexMergeJoin{TableReader(Table(t)->TopN([test.t.b],0,10))->TopN([test.t.b],0,10)->TableReader(Table(t))}(test.t.a,test.t.a)->Limit" + "Best": "IndexJoin{TableReader(Table(t)->TopN([test.t.b],0,10))->TopN([test.t.b],0,10)->TableReader(Table(t))}(test.t.a,test.t.a)->Limit" }, { "SQL": "select * from ((SELECT 1 a,3 b) UNION (SELECT 2,1) ORDER BY (SELECT 2)) t order by a,b", @@ -422,11 +422,11 @@ }, { "SQL": "select * from t t1 left join t t2 on t1.b = t2.a where 1 = 1 limit 1", - "Best": "IndexMergeJoin{TableReader(Table(t)->Limit)->Limit->TableReader(Table(t))}(test.t.b,test.t.a)->Limit" + "Best": "IndexJoin{TableReader(Table(t)->Limit)->Limit->TableReader(Table(t))}(test.t.b,test.t.a)->Limit" }, { "SQL": "select * from t t1 join t t2 on t1.b = t2.a and t1.c = 1 and t1.d = 1 and t1.e = 1 order by t1.a limit 1", - "Best": "IndexMergeJoin{PointGet(Index(t.c_d_e)[KindInt64 1 KindInt64 1 KindInt64 1])->TableReader(Table(t))}(test.t.b,test.t.a)->TopN([test.t.a],0,1)" + "Best": "IndexJoin{PointGet(Index(t.c_d_e)[KindInt64 1 KindInt64 1 KindInt64 1])->TableReader(Table(t))}(test.t.b,test.t.a)->TopN([test.t.a],0,1)" }, { "SQL": "select * from t t1 join t t2 on t1.b = t2.b join t t3 on t1.b = t3.b", @@ -442,7 +442,7 @@ }, { "SQL": "select * from t t1 join t t2 on t1.a = t2.a join t t3 on t1.a = t3.a and t1.b = 1 and t3.c = 1", - "Best": "IndexMergeJoin{IndexMergeJoin{TableReader(Table(t)->Sel([eq(test.t.b, 1)]))->IndexLookUp(Index(t.c_d_e)[[1,1]], Table(t))}(test.t.a,test.t.a)->TableReader(Table(t))}(test.t.a,test.t.a)->Projection" + "Best": "IndexJoin{IndexJoin{TableReader(Table(t)->Sel([eq(test.t.b, 1)]))->IndexLookUp(Index(t.c_d_e)[[1,1]], Table(t))}(test.t.a,test.t.a)->TableReader(Table(t))}(test.t.a,test.t.a)->Projection" }, { "SQL": "select * from t where t.c in (select b from t s where s.a = t.a)", @@ -1398,7 +1398,7 @@ "Cases": [ { "SQL": "select t1.a, (select count(t2.a) from t t2 where t2.g in (select t3.d from t t3 where t3.c = t1.a)) as agg_col from t t1;", - "Best": "Apply{IndexReader(Index(t.f)[[NULL,+inf]])->IndexMergeJoin{IndexReader(Index(t.c_d_e)[[NULL,+inf]]->HashAgg)->HashAgg->IndexReader(Index(t.g)[[NULL,+inf]])}(test.t.d,test.t.g)}->HashAgg" + "Best": "Apply{IndexReader(Index(t.f)[[NULL,+inf]])->IndexJoin{IndexReader(Index(t.c_d_e)[[NULL,+inf]]->HashAgg)->HashAgg->IndexReader(Index(t.g)[[NULL,+inf]])}(test.t.d,test.t.g)}->HashAgg" } ] }, diff --git a/planner/core/testdata/stats_suite_out.json b/planner/core/testdata/stats_suite_out.json index b6c9168cbd008..9cc3a77c388c2 100644 --- a/planner/core/testdata/stats_suite_out.json +++ b/planner/core/testdata/stats_suite_out.json @@ -143,11 +143,11 @@ { "SQL": "select * from t1, t2 where t1.a = t2.a and t1.b = t2.b", "Plan": [ - "IndexMergeJoin_17 4.00 root inner join, inner:IndexReader_15, outer key:test.t1.a, test.t1.b, inner key:test.t2.a, test.t2.b", - "├─TableReader_34(Build) 4.00 root data:TableFullScan_33", - "│ └─TableFullScan_33 4.00 cop[tikv] table:t1 keep order:false", - "└─IndexReader_15(Probe) 1.00 root index:IndexRangeScan_14", - " └─IndexRangeScan_14 1.00 cop[tikv] table:t2, index:a(a, b) range: decided by [eq(test.t2.a, test.t1.a) eq(test.t2.b, test.t1.b)], keep order:true" + "MergeJoin_8 4.00 root inner join, left key:test.t1.a, test.t1.b, right key:test.t2.a, test.t2.b", + "├─IndexReader_32(Build) 9.00 root index:IndexFullScan_31", + "│ └─IndexFullScan_31 9.00 cop[tikv] table:t2, index:a(a, b) keep order:true", + "└─IndexReader_30(Probe) 4.00 root index:IndexFullScan_29", + " └─IndexFullScan_29 4.00 cop[tikv] table:t1, index:a(a, b) keep order:true" ] }, { diff --git a/session/session.go b/session/session.go index c18f3fedd1e63..6e949d423de54 100644 --- a/session/session.go +++ b/session/session.go @@ -2296,6 +2296,7 @@ var builtinGlobalVariable = []string{ variable.TiDBEnable1PC, variable.TiDBGuaranteeExternalConsistency, variable.TiDBAnalyzeVersion, + variable.TiDBEnableIndexMergeJoin, variable.TiDBTrackAggregateMemoryUsage, } diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 029f08b97b6cb..9388a8c29de9b 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -780,6 +780,9 @@ type SessionVars struct { // AnalyzeVersion indicates how TiDB collect and use analyzed statistics. AnalyzeVersion int + // EnableIndexMergeJoin indicates whether to enable index merge join. + EnableIndexMergeJoin bool + // TrackAggregateMemoryUsage indicates whether to track the memory usage of aggregate function. TrackAggregateMemoryUsage bool } @@ -937,6 +940,7 @@ func NewSessionVars() *SessionVars { Enable1PC: DefTiDBEnable1PC, GuaranteeExternalConsistency: DefTiDBGuaranteeExternalConsistency, AnalyzeVersion: DefTiDBAnalyzeVersion, + EnableIndexMergeJoin: DefTiDBEnableIndexMergeJoin, } vars.KVVars = kv.NewVariables(&vars.Killed) vars.Concurrency = Concurrency{ @@ -1657,6 +1661,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.GuaranteeExternalConsistency = TiDBOptOn(val) case TiDBAnalyzeVersion: s.AnalyzeVersion = tidbOptPositiveInt32(val, DefTiDBAnalyzeVersion) + case TiDBEnableIndexMergeJoin: + s.EnableIndexMergeJoin = TiDBOptOn(val) case TiDBTrackAggregateMemoryUsage: s.TrackAggregateMemoryUsage = TiDBOptOn(val) } diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index b95ffa99fc90c..ebaaa4632fb6b 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1161,6 +1161,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnable1PC, Value: BoolToOnOff(DefTiDBEnable1PC), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBGuaranteeExternalConsistency, Value: BoolToOnOff(DefTiDBGuaranteeExternalConsistency), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBAnalyzeVersion, Value: strconv.Itoa(DefTiDBAnalyzeVersion), Type: TypeInt, MinValue: 1, MaxValue: 2}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableIndexMergeJoin, Value: BoolToOnOff(DefTiDBEnableIndexMergeJoin), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBTrackAggregateMemoryUsage, Value: BoolToOnOff(DefTiDBTrackAggregateMemoryUsage), Type: TypeBool}, } diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 40c71aa7c2a1e..d75bc93793a82 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -502,6 +502,9 @@ const ( // TiDBAnalyzeVersion indicates the how tidb collects the analyzed statistics and how use to it. TiDBAnalyzeVersion = "tidb_analyze_version" + // TiDBEnableIndexMergeJoin indicates whether to enable index merge join. + TiDBEnableIndexMergeJoin = "tidb_enable_index_merge_join" + // TiDBTrackAggregateMemoryUsage indicates whether track the memory usage of aggregate function. TiDBTrackAggregateMemoryUsage = "tidb_track_aggregate_memory_usage" ) @@ -624,6 +627,7 @@ const ( DefTiDBEnable1PC = false DefTiDBGuaranteeExternalConsistency = false DefTiDBAnalyzeVersion = 1 + DefTiDBEnableIndexMergeJoin = false DefTiDBTrackAggregateMemoryUsage = false ) diff --git a/util/ranger/testdata/ranger_suite_out.json b/util/ranger/testdata/ranger_suite_out.json index 2a448461ce10d..0e6947af373d1 100644 --- a/util/ranger/testdata/ranger_suite_out.json +++ b/util/ranger/testdata/ranger_suite_out.json @@ -10,11 +10,11 @@ " ├─TableReader_15(Build) 2.00 root data:TableFullScan_14", " │ └─TableFullScan_14 2.00 cop[tikv] table:t keep order:false", " └─StreamAgg_20(Probe) 1.00 root funcs:count(1)->Column#16", - " └─IndexMergeJoin_46 2.00 root inner join, inner:TableReader_41, outer key:test.t.a, inner key:test.t.a", - " ├─IndexReader_33(Build) 2.00 root index:IndexRangeScan_32", - " │ └─IndexRangeScan_32 2.00 cop[tikv] table:s, index:idx(b, c, d) range: decided by [eq(test.t.b, 1) in(test.t.c, 1, 2) eq(test.t.d, test.t.a)], keep order:false", - " └─TableReader_41(Probe) 1.00 root data:TableRangeScan_40", - " └─TableRangeScan_40 1.00 cop[tikv] table:t1 range: decided by [test.t.a], keep order:true" + " └─HashJoin_47 2.00 root inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─TableReader_35(Build) 2.00 root data:TableFullScan_34", + " │ └─TableFullScan_34 2.00 cop[tikv] table:t1 keep order:false", + " └─IndexReader_33(Probe) 2.00 root index:IndexRangeScan_32", + " └─IndexRangeScan_32 2.00 cop[tikv] table:s, index:idx(b, c, d) range: decided by [eq(test.t.b, 1) in(test.t.c, 1, 2) eq(test.t.d, test.t.a)], keep order:false" ] }, { From 36fbde4fd47524a3af33b5bc9b163cd207f1a623 Mon Sep 17 00:00:00 2001 From: zhouqiang Date: Fri, 18 Dec 2020 12:09:35 +0800 Subject: [PATCH 0508/1021] *: Add start cluster in run-tests.sh in globalkilltest (#21851) --- tests/globalkilltest/run-tests.sh | 28 +++++++++++++++++++++++++--- 1 file changed, 25 insertions(+), 3 deletions(-) diff --git a/tests/globalkilltest/run-tests.sh b/tests/globalkilltest/run-tests.sh index 8c9a71b4a0b0c..70ff6467fd382 100755 --- a/tests/globalkilltest/run-tests.sh +++ b/tests/globalkilltest/run-tests.sh @@ -36,9 +36,6 @@ function help_message() --tidb_status_port : First TiDB server status listening port. port ~ port+2 will be used. Defaults to "8000". - --pd : PD client path, ip:port list seperated by comma. - Defaults to "127.0.0.1:2379". - --pd_proxy_port : PD proxy port. PD proxy is used to simulate lost connection between TiDB and PD. Defaults to "3379". @@ -55,6 +52,24 @@ function help_message() ' } +function start_cluster() +{ + ${PD} --name=pd --data-dir=pd &>pd.log & + sleep 10 + + ${TIKV} --pd=127.0.0.1:2379 -s tikv --addr=0.0.0.0:20160 --advertise-addr=127.0.0.1:20160 &>tikv.log & + sleep 10 +} + +function clean_cluster() +{ + set +e + killall -9 -r tidb-server + killall -9 -r tikv-server + killall -9 -r pd-server + set -e +} + function go_tests() { go test -args $* @@ -69,5 +84,12 @@ while getopts "h" opt; do esac done +clean_cluster + +start_cluster + go_tests + +clean_cluster + echo "globalkilltest end" From 3c74651eda39cae8b2ddf399f508991d7d4c2155 Mon Sep 17 00:00:00 2001 From: Yifan Xu <30385241+xuyifangreeneyes@users.noreply.github.com> Date: Thu, 17 Dec 2020 23:07:04 -0600 Subject: [PATCH 0509/1021] planner: allow a nonaggregate column not named in GROUP BY clause when this column is limited to single value (#21838) --- planner/core/integration_test.go | 14 +++ planner/core/logical_plan_builder.go | 149 +++++++++++++++++---------- 2 files changed, 108 insertions(+), 55 deletions(-) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index e59e37ed84d3e..4cdb9104f20c7 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -2055,3 +2055,17 @@ func (s *testIntegrationSuite) TestConditionColPruneInPhysicalUnionScan(c *C) { tk.MustQuery("select count(*) from t where c = 1 and c in (3);"). Check(testkit.Rows("0")) } + +// Test for issue https://github.com/pingcap/tidb/issues/18320 +func (s *testIntegrationSuite) TestNonaggregateColumnWithSingleValueInOnlyFullGroupByMode(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int, b int, c int)") + tk.MustExec("insert into t values (1, 2, 3), (4, 5, 6), (7, 8, 9)") + tk.MustQuery("select a, count(b) from t where a = 1").Check(testkit.Rows("1 1")) + tk.MustQuery("select a, count(b) from t where a = 10").Check(testkit.Rows(" 0")) + tk.MustQuery("select a, c, sum(b) from t where a = 1 group by c").Check(testkit.Rows("1 3 2")) + tk.MustGetErrMsg("select a from t where a = 1 order by count(b)", "[planner:3029]Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query") + tk.MustQuery("select a from t where a = 1 having count(b) > 0").Check(testkit.Rows("1")) +} diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index 9247f42c917f3..a94913ff6443c 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -2283,7 +2283,7 @@ func checkColFuncDepend( p LogicalPlan, name *types.FieldName, tblInfo *model.TableInfo, - gbyColNames map[*types.FieldName]struct{}, + gbyOrSingleValueColNames map[*types.FieldName]struct{}, whereDependNames, joinDependNames map[*types.FieldName]*types.FieldName, ) bool { for _, index := range tblInfo.Indices { @@ -2308,16 +2308,16 @@ func checkColFuncDepend( break } iName := p.OutputNames()[iIdx] - if _, ok := gbyColNames[iName]; ok { + if _, ok := gbyOrSingleValueColNames[iName]; ok { continue } if wCol, ok := whereDependNames[iName]; ok { - if _, ok = gbyColNames[wCol]; ok { + if _, ok = gbyOrSingleValueColNames[wCol]; ok { continue } } if jCol, ok := joinDependNames[iName]; ok { - if _, ok = gbyColNames[jCol]; ok { + if _, ok = gbyOrSingleValueColNames[jCol]; ok { continue } } @@ -2346,16 +2346,16 @@ func checkColFuncDepend( break } pCol := p.OutputNames()[pIdx] - if _, ok := gbyColNames[pCol]; ok { + if _, ok := gbyOrSingleValueColNames[pCol]; ok { continue } if wCol, ok := whereDependNames[pCol]; ok { - if _, ok = gbyColNames[wCol]; ok { + if _, ok = gbyOrSingleValueColNames[wCol]; ok { continue } } if jCol, ok := joinDependNames[pCol]; ok { - if _, ok = gbyColNames[jCol]; ok { + if _, ok = gbyOrSingleValueColNames[jCol]; ok { continue } } @@ -2371,14 +2371,14 @@ type ErrExprLoc struct { Loc string } -func checkExprInGroupBy( +func checkExprInGroupByOrIsSingleValue( p LogicalPlan, expr ast.ExprNode, offset int, loc string, - gbyColNames map[*types.FieldName]struct{}, + gbyOrSingleValueColNames map[*types.FieldName]struct{}, gbyExprs []ast.ExprNode, - notInGbyColNames map[*types.FieldName]ErrExprLoc, + notInGbyOrSingleValueColNames map[*types.FieldName]ErrExprLoc, ) { if _, ok := expr.(*ast.AggregateFuncExpr); ok { return @@ -2400,8 +2400,8 @@ func checkExprInGroupBy( colMap := make(map[*types.FieldName]struct{}, len(p.Schema().Columns)) allColFromExprNode(p, expr, colMap) for col := range colMap { - if _, ok := gbyColNames[col]; !ok { - notInGbyColNames[col] = ErrExprLoc{Offset: offset, Loc: loc} + if _, ok := gbyOrSingleValueColNames[col]; !ok { + notInGbyOrSingleValueColNames[col] = ErrExprLoc{Offset: offset, Loc: loc} } } } @@ -2415,28 +2415,55 @@ func (b *PlanBuilder) checkOnlyFullGroupBy(p LogicalPlan, sel *ast.SelectStmt) ( return err } +func addGbyOrSingleValueColName(p LogicalPlan, colName *ast.ColumnName, gbyOrSingleValueColNames map[*types.FieldName]struct{}) { + idx, err := expression.FindFieldName(p.OutputNames(), colName) + if err != nil || idx < 0 { + return + } + gbyOrSingleValueColNames[p.OutputNames()[idx]] = struct{}{} +} + +func extractSingeValueColNamesFromWhere(p LogicalPlan, where ast.ExprNode, gbyOrSingleValueColNames map[*types.FieldName]struct{}) { + whereConditions := splitWhere(where) + for _, cond := range whereConditions { + binOpExpr, ok := cond.(*ast.BinaryOperationExpr) + if !ok || binOpExpr.Op != opcode.EQ { + continue + } + if colExpr, ok := binOpExpr.L.(*ast.ColumnNameExpr); ok { + if _, ok := binOpExpr.R.(ast.ValueExpr); ok { + addGbyOrSingleValueColName(p, colExpr.Name, gbyOrSingleValueColNames) + } + } else if colExpr, ok := binOpExpr.R.(*ast.ColumnNameExpr); ok { + if _, ok := binOpExpr.L.(ast.ValueExpr); ok { + addGbyOrSingleValueColName(p, colExpr.Name, gbyOrSingleValueColNames) + } + } + } +} + func (b *PlanBuilder) checkOnlyFullGroupByWithGroupClause(p LogicalPlan, sel *ast.SelectStmt) error { - gbyColNames := make(map[*types.FieldName]struct{}, len(sel.Fields.Fields)) + gbyOrSingleValueColNames := make(map[*types.FieldName]struct{}, len(sel.Fields.Fields)) gbyExprs := make([]ast.ExprNode, 0, len(sel.Fields.Fields)) for _, byItem := range sel.GroupBy.Items { expr := getInnerFromParenthesesAndUnaryPlus(byItem.Expr) if colExpr, ok := expr.(*ast.ColumnNameExpr); ok { - idx, err := expression.FindFieldName(p.OutputNames(), colExpr.Name) - if err != nil || idx < 0 { - continue - } - gbyColNames[p.OutputNames()[idx]] = struct{}{} + addGbyOrSingleValueColName(p, colExpr.Name, gbyOrSingleValueColNames) } else { gbyExprs = append(gbyExprs, expr) } } + // MySQL permits a nonaggregate column not named in a GROUP BY clause when ONLY_FULL_GROUP_BY SQL mode is enabled, + // provided that this column is limited to a single value. + // See https://dev.mysql.com/doc/refman/5.7/en/group-by-handling.html for details. + extractSingeValueColNamesFromWhere(p, sel.Where, gbyOrSingleValueColNames) - notInGbyColNames := make(map[*types.FieldName]ErrExprLoc, len(sel.Fields.Fields)) + notInGbyOrSingleValueColNames := make(map[*types.FieldName]ErrExprLoc, len(sel.Fields.Fields)) for offset, field := range sel.Fields.Fields { if field.Auxiliary { continue } - checkExprInGroupBy(p, getInnerFromParenthesesAndUnaryPlus(field.Expr), offset, ErrExprInSelect, gbyColNames, gbyExprs, notInGbyColNames) + checkExprInGroupByOrIsSingleValue(p, getInnerFromParenthesesAndUnaryPlus(field.Expr), offset, ErrExprInSelect, gbyOrSingleValueColNames, gbyExprs, notInGbyOrSingleValueColNames) } if sel.OrderBy != nil { @@ -2451,17 +2478,17 @@ func (b *PlanBuilder) checkOnlyFullGroupByWithGroupClause(p LogicalPlan, sel *as continue } } - checkExprInGroupBy(p, item.Expr, offset, ErrExprInOrderBy, gbyColNames, gbyExprs, notInGbyColNames) + checkExprInGroupByOrIsSingleValue(p, item.Expr, offset, ErrExprInOrderBy, gbyOrSingleValueColNames, gbyExprs, notInGbyOrSingleValueColNames) } } - if len(notInGbyColNames) == 0 { + if len(notInGbyOrSingleValueColNames) == 0 { return nil } whereDepends := buildWhereFuncDepend(p, sel.Where) joinDepends := buildJoinFuncDepend(p, sel.From.TableRefs) - tblMap := make(map[*model.TableInfo]struct{}, len(notInGbyColNames)) - for name, errExprLoc := range notInGbyColNames { + tblMap := make(map[*model.TableInfo]struct{}, len(notInGbyOrSingleValueColNames)) + for name, errExprLoc := range notInGbyOrSingleValueColNames { tblInfo := tblInfoFromCol(sel.From.TableRefs, name) if tblInfo == nil { continue @@ -2469,7 +2496,7 @@ func (b *PlanBuilder) checkOnlyFullGroupByWithGroupClause(p LogicalPlan, sel *as if _, ok := tblMap[tblInfo]; ok { continue } - if checkColFuncDepend(p, name, tblInfo, gbyColNames, whereDepends, joinDepends) { + if checkColFuncDepend(p, name, tblInfo, gbyOrSingleValueColNames, whereDepends, joinDepends) { tblMap[tblInfo] = struct{}{} continue } @@ -2485,45 +2512,69 @@ func (b *PlanBuilder) checkOnlyFullGroupByWithGroupClause(p LogicalPlan, sel *as } func (b *PlanBuilder) checkOnlyFullGroupByWithOutGroupClause(p LogicalPlan, sel *ast.SelectStmt) error { - resolver := colResolverForOnlyFullGroupBy{} + resolver := colResolverForOnlyFullGroupBy{ + firstOrderByAggColIdx: -1, + } resolver.curClause = fieldList for idx, field := range sel.Fields.Fields { resolver.exprIdx = idx field.Accept(&resolver) - err := resolver.Check() - if err != nil { - return err - } } - if resolver.firstNonAggCol != nil { + if len(resolver.nonAggCols) > 0 { if sel.Having != nil { sel.Having.Expr.Accept(&resolver) - err := resolver.Check() - if err != nil { - return err - } } if sel.OrderBy != nil { resolver.curClause = orderByClause for idx, byItem := range sel.OrderBy.Items { resolver.exprIdx = idx byItem.Expr.Accept(&resolver) - err := resolver.Check() - if err != nil { - return err - } } } } + if resolver.firstOrderByAggColIdx != -1 && len(resolver.nonAggCols) > 0 { + // SQL like `select a from t where a = 1 order by count(b)` is illegal. + return ErrAggregateOrderNonAggQuery.GenWithStackByArgs(resolver.firstOrderByAggColIdx + 1) + } + if !resolver.hasAggFuncOrAnyValue || len(resolver.nonAggCols) == 0 { + return nil + } + singleValueColNames := make(map[*types.FieldName]struct{}, len(sel.Fields.Fields)) + extractSingeValueColNamesFromWhere(p, sel.Where, singleValueColNames) + whereDepends := buildWhereFuncDepend(p, sel.Where) + joinDepends := buildJoinFuncDepend(p, sel.From.TableRefs) + tblMap := make(map[*model.TableInfo]struct{}, len(resolver.nonAggCols)) + for i, colName := range resolver.nonAggCols { + idx, err := expression.FindFieldName(p.OutputNames(), colName) + if err != nil || idx < 0 { + return ErrMixOfGroupFuncAndFields.GenWithStackByArgs(resolver.nonAggColIdxs[i]+1, colName.Name.O) + } + fieldName := p.OutputNames()[idx] + if _, ok := singleValueColNames[fieldName]; ok { + continue + } + tblInfo := tblInfoFromCol(sel.From.TableRefs, fieldName) + if tblInfo == nil { + continue + } + if _, ok := tblMap[tblInfo]; ok { + continue + } + if checkColFuncDepend(p, fieldName, tblInfo, singleValueColNames, whereDepends, joinDepends) { + tblMap[tblInfo] = struct{}{} + continue + } + return ErrMixOfGroupFuncAndFields.GenWithStackByArgs(resolver.nonAggColIdxs[i]+1, colName.Name.O) + } return nil } // colResolverForOnlyFullGroupBy visits Expr tree to find out if an Expr tree is an aggregation function. // If so, find out the first column name that not in an aggregation function. type colResolverForOnlyFullGroupBy struct { - firstNonAggCol *ast.ColumnName + nonAggCols []*ast.ColumnName exprIdx int - firstNonAggColIdx int + nonAggColIdxs []int hasAggFuncOrAnyValue bool firstOrderByAggColIdx int curClause clauseCode @@ -2544,9 +2595,8 @@ func (c *colResolverForOnlyFullGroupBy) Enter(node ast.Node) (ast.Node, bool) { return node, true } case *ast.ColumnNameExpr: - if c.firstNonAggCol == nil { - c.firstNonAggCol, c.firstNonAggColIdx = t.Name, c.exprIdx - } + c.nonAggCols = append(c.nonAggCols, t.Name) + c.nonAggColIdxs = append(c.nonAggColIdxs, c.exprIdx) return node, true case *ast.SubqueryExpr: return node, true @@ -2558,17 +2608,6 @@ func (c *colResolverForOnlyFullGroupBy) Leave(node ast.Node) (ast.Node, bool) { return node, true } -func (c *colResolverForOnlyFullGroupBy) Check() error { - if c.hasAggFuncOrAnyValue && c.firstNonAggCol != nil { - if c.curClause == fieldList { - return ErrMixOfGroupFuncAndFields.GenWithStackByArgs(c.firstNonAggColIdx+1, c.firstNonAggCol.Name.O) - } else if c.curClause == orderByClause { - return ErrAggregateOrderNonAggQuery.GenWithStackByArgs(c.firstOrderByAggColIdx + 1) - } - } - return nil -} - type colNameResolver struct { p LogicalPlan names map[*types.FieldName]struct{} From 6c0bd107313c6ebb7dd6214705e8ec206c9421d1 Mon Sep 17 00:00:00 2001 From: Andrewmatilde <32479514+Andrewmatilde@users.noreply.github.com> Date: Fri, 18 Dec 2020 13:22:07 +0800 Subject: [PATCH 0510/1021] store/tikv/oracle : add GetStaleTimestamp to get generate a timestamp which represents for the timestamp prevSecond secs ago. (#21713) Signed-off-by: Andrewmatilde --- store/mockoracle/oracle.go | 7 ++++ store/tikv/oracle/oracle.go | 1 + store/tikv/oracle/oracles/export_test.go | 8 ++++ store/tikv/oracle/oracles/local.go | 7 ++++ store/tikv/oracle/oracles/pd.go | 52 +++++++++++++++++++++++- store/tikv/oracle/oracles/pd_test.go | 36 ++++++++++++++++ 6 files changed, 109 insertions(+), 2 deletions(-) diff --git a/store/mockoracle/oracle.go b/store/mockoracle/oracle.go index 3e242f548a340..840123b29c30e 100644 --- a/store/mockoracle/oracle.go +++ b/store/mockoracle/oracle.go @@ -71,6 +71,13 @@ func (o *MockOracle) GetTimestamp(ctx context.Context, _ *oracle.Option) (uint64 return ts, nil } +// GetStaleTimestamp implements oracle.Oracle interface. +func (o *MockOracle) GetStaleTimestamp(ctx context.Context, prevSecond uint64) (ts uint64, err error) { + physical := oracle.GetPhysical(time.Now().Add(-time.Second * time.Duration(prevSecond))) + ts = oracle.ComposeTS(physical, 0) + return ts, nil +} + type mockOracleFuture struct { o *MockOracle ctx context.Context diff --git a/store/tikv/oracle/oracle.go b/store/tikv/oracle/oracle.go index c49412c3110d5..c9e5f549ae549 100644 --- a/store/tikv/oracle/oracle.go +++ b/store/tikv/oracle/oracle.go @@ -33,6 +33,7 @@ type Oracle interface { GetTimestampAsync(ctx context.Context, opt *Option) Future GetLowResolutionTimestamp(ctx context.Context, opt *Option) (uint64, error) GetLowResolutionTimestampAsync(ctx context.Context, opt *Option) Future + GetStaleTimestamp(ctx context.Context, prevSecond uint64) (uint64, error) IsExpired(lockTimestamp, TTL uint64, opt *Option) bool UntilExpired(lockTimeStamp, TTL uint64, opt *Option) int64 Close() diff --git a/store/tikv/oracle/oracles/export_test.go b/store/tikv/oracle/oracles/export_test.go index 3a6ceb965420e..8e459de0d5ded 100644 --- a/store/tikv/oracle/oracles/export_test.go +++ b/store/tikv/oracle/oracles/export_test.go @@ -55,3 +55,11 @@ func SetEmptyPDOracleLastTs(oc oracle.Oracle, ts uint64) { atomic.StoreUint64(lastTSPointer, ts) } } + +// SetEmptyPDOracleLastTs exports PD oracle's global last ts to test. +func SetEmptyPDOracleLastArrivalTs(oc oracle.Oracle, ts uint64) { + switch o := oc.(type) { + case *pdOracle: + o.setLastArrivalTS(ts) + } +} diff --git a/store/tikv/oracle/oracles/local.go b/store/tikv/oracle/oracles/local.go index aaaba70f2a11b..9c0ef4fa75f8a 100644 --- a/store/tikv/oracle/oracles/local.go +++ b/store/tikv/oracle/oracles/local.go @@ -78,6 +78,13 @@ func (l *localOracle) GetLowResolutionTimestampAsync(ctx context.Context, opt *o return l.GetTimestampAsync(ctx, opt) } +// GetStaleTimestamp return physical +func (l *localOracle) GetStaleTimestamp(ctx context.Context, prevSecond uint64) (ts uint64, err error) { + physical := oracle.GetPhysical(time.Now().Add(-time.Second * time.Duration(prevSecond))) + ts = oracle.ComposeTS(physical, 0) + return ts, nil +} + type future struct { ctx context.Context l *localOracle diff --git a/store/tikv/oracle/oracles/pd.go b/store/tikv/oracle/oracles/pd.go index 116f6d200d14b..717dda143eae6 100644 --- a/store/tikv/oracle/oracles/pd.go +++ b/store/tikv/oracle/oracles/pd.go @@ -35,8 +35,9 @@ const slowDist = 30 * time.Millisecond type pdOracle struct { c pd.Client // txn_scope (string) -> lastTSPointer (*uint64) - lastTSMap sync.Map - quit chan struct{} + lastTSMap sync.Map + lastArrivalTS uint64 + quit chan struct{} } // NewPdOracle create an Oracle that uses a pd client source. @@ -76,7 +77,9 @@ func (o *pdOracle) GetTimestamp(ctx context.Context, opt *oracle.Option) (uint64 if err != nil { return 0, errors.Trace(err) } + tsArrival := o.getArrivalTimestamp(ctx) o.setLastTS(ts, opt.TxnScope) + o.setLastArrivalTS(tsArrival) return ts, nil } @@ -131,6 +134,10 @@ func (o *pdOracle) getTimestamp(ctx context.Context, txnScope string) (uint64, e return oracle.ComposeTS(physical, logical), nil } +func (o *pdOracle) getArrivalTimestamp(ctx context.Context) uint64 { + return oracle.ComposeTS(oracle.GetPhysical(time.Now()), 0) +} + func (o *pdOracle) setLastTS(ts uint64, txnScope string) { if txnScope == "" { txnScope = oracle.GlobalTxnScope @@ -231,3 +238,44 @@ func (o *pdOracle) GetLowResolutionTimestampAsync(ctx context.Context, opt *orac err: nil, } } + +func (o *pdOracle) getStaleTimestamp(ctx context.Context, prevSecond uint64) (uint64, error) { + ts, ok := o.getLastTS(oracle.GlobalTxnScope) + if !ok { + return 0, errors.Errorf("get stale timestamp fail, invalid txnScope = %s", oracle.GlobalTxnScope) + } + tsArrival, ok := o.getLastArrivalTS() + if !ok { + return 0, errors.Errorf("get last arrival timestamp fail, invalid txnScope = %s", oracle.GlobalTxnScope) + } + arrivalTime := oracle.GetTimeFromTS(tsArrival) + physicalTime := oracle.GetTimeFromTS(ts) + if uint64(physicalTime.Unix()) <= prevSecond { + return 0, errors.Errorf("invalid prevSecond %v", prevSecond) + } + + staleTime := physicalTime.Add(-arrivalTime.Sub(time.Now().Add(-time.Duration(prevSecond) * time.Second))) + + return oracle.ComposeTS(oracle.GetPhysical(staleTime), 0), nil +} + +// GetStaleTimestamp generate a TSO which represents for the TSO prevSecond secs ago. +func (o *pdOracle) GetStaleTimestamp(ctx context.Context, prevSecond uint64) (ts uint64, err error) { + ts, err = o.getStaleTimestamp(ctx, prevSecond) + if err != nil { + return 0, errors.Trace(err) + } + return ts, nil +} + +func (o *pdOracle) setLastArrivalTS(ts uint64) { + atomic.StoreUint64(&o.lastArrivalTS, ts) +} + +func (o *pdOracle) getLastArrivalTS() (uint64, bool) { + ts := atomic.LoadUint64(&o.lastArrivalTS) + if ts > 0 { + return ts, true + } + return 0, false +} diff --git a/store/tikv/oracle/oracles/pd_test.go b/store/tikv/oracle/oracles/pd_test.go index 1cd6aa8646075..c9f1406b6dfbb 100644 --- a/store/tikv/oracle/oracles/pd_test.go +++ b/store/tikv/oracle/oracles/pd_test.go @@ -14,6 +14,7 @@ package oracles_test import ( + "context" "testing" "time" @@ -37,3 +38,38 @@ func TestPDOracle_UntilExpired(t *testing.T) { t.Errorf("waitTs shoulb be %d but got %d", int64(lockAfter+lockExp), waitTs) } } + +func TestPdOracle_GetStaleTimestamp(t *testing.T) { + o := oracles.NewEmptyPDOracle() + start := time.Now() + oracles.SetEmptyPDOracleLastTs(o, oracle.ComposeTS(oracle.GetPhysical(start), 0)) + oracles.SetEmptyPDOracleLastArrivalTs(o, oracle.ComposeTS(oracle.GetPhysical(start), 0)) + ts, err := o.GetStaleTimestamp(context.Background(), 10) + if err != nil { + t.Errorf("%v\n", err) + } + + duration := start.Sub(oracle.GetTimeFromTS(ts)) + if duration > 12*time.Second || duration < 8*time.Second { + t.Errorf("stable TS have accuracy err, expect: %d +-2, obtain: %d", 10, duration) + } + + _, err = o.GetStaleTimestamp(context.Background(), 1e12) + if err == nil { + t.Errorf("expect exceed err but get nil") + } + + for i := uint64(3); i < 1e9; i += i/100 + 1 { + start = time.Now() + oracles.SetEmptyPDOracleLastTs(o, oracle.ComposeTS(oracle.GetPhysical(start), 0)) + oracles.SetEmptyPDOracleLastArrivalTs(o, oracle.ComposeTS(oracle.GetPhysical(start), 0)) + ts, err = o.GetStaleTimestamp(context.Background(), i) + if err != nil { + t.Errorf("%v\n", err) + } + duration = start.Sub(oracle.GetTimeFromTS(ts)) + if duration > time.Duration(i+2)*time.Second || duration < time.Duration(i-2)*time.Second { + t.Errorf("stable TS have accuracy err, expect: %d +-2, obtain: %d", i, duration) + } + } +} From 25a94e5f2c5ed210495b3e4b60b0964b01951faf Mon Sep 17 00:00:00 2001 From: Win-Man <825895587@qq.com> Date: Fri, 18 Dec 2020 13:46:05 +0800 Subject: [PATCH 0511/1021] expression:truncate decimal value instead of return error (#21691) --- expression/integration_test.go | 17 +++++++++++++++++ types/mydecimal_test.go | 1 + types/parser_driver/value_expr.go | 3 +++ 3 files changed, 21 insertions(+) diff --git a/expression/integration_test.go b/expression/integration_test.go index bb8a92f54dab3..901857343d955 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -8326,6 +8326,23 @@ func (s *testIntegrationSuite) TestIssue12205(c *C) { testkit.Rows("Warning 1292 Truncated incorrect time value: '18446744072635875000'")) } +func (s *testIntegrationSuite) TestIssue11333(c *C) { + defer s.cleanEnv(c) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t;") + tk.MustExec("drop table if exists t1;") + tk.MustExec("create table t(col1 decimal);") + tk.MustExec(" insert into t values(0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000);") + tk.MustQuery(`select * from t;`).Check(testkit.Rows("0")) + tk.MustExec("create table t1(col1 decimal(65,30));") + tk.MustExec(" insert into t1 values(0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000);") + tk.MustQuery(`select * from t1;`).Check(testkit.Rows("0.000000000000000000000000000000")) + tk.MustQuery(`select 0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000;`).Check(testkit.Rows("0.000000000000000000000000000000000000000000000000000000000000000000000000")) + tk.MustQuery(`select 0.0000000000000000000000000000000000000000000000000000000000000000000000012;`).Check(testkit.Rows("0.000000000000000000000000000000000000000000000000000000000000000000000001")) + tk.MustQuery(`select 0.000000000000000000000000000000000000000000000000000000000000000000000001;`).Check(testkit.Rows("0.000000000000000000000000000000000000000000000000000000000000000000000001")) +} + func (s *testSuite) TestIssue12206(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/types/mydecimal_test.go b/types/mydecimal_test.go index 4b4a31f4f6411..215d12bbb0747 100644 --- a/types/mydecimal_test.go +++ b/types/mydecimal_test.go @@ -508,6 +508,7 @@ func (s *testMyDecimalSerialSuite) TestFromString(c *C) { {"1e 1dddd ", "10", ErrTruncated}, {"1e - 1", "1", ErrTruncated}, {"1e -1", "0.1", nil}, + {"0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", "0.000000000000000000000000000000000000000000000000000000000000000000000000", ErrTruncated}, } for _, ca := range tests { var dec MyDecimal diff --git a/types/parser_driver/value_expr.go b/types/parser_driver/value_expr.go index 6d83b4db5bb16..27816e74f3785 100644 --- a/types/parser_driver/value_expr.go +++ b/types/parser_driver/value_expr.go @@ -46,6 +46,9 @@ func init() { ast.NewDecimal = func(str string) (interface{}, error) { dec := new(types.MyDecimal) err := dec.FromString(hack.Slice(str)) + if err == types.ErrTruncated { + err = nil + } return dec, err } ast.NewHexLiteral = func(str string) (interface{}, error) { From 8036e5f18535d4ad0bcd6ab7905facecc7574a53 Mon Sep 17 00:00:00 2001 From: wjHuang Date: Fri, 18 Dec 2020 14:17:04 +0800 Subject: [PATCH 0512/1021] ddl: check the switch when creating a table with expression index (#21811) Signed-off-by: wjhuang2016 --- ddl/db_integration_test.go | 1 + ddl/ddl_api.go | 6 +++--- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/ddl/db_integration_test.go b/ddl/db_integration_test.go index e6852eac6e20a..2ac8ab3684d0c 100644 --- a/ddl/db_integration_test.go +++ b/ddl/db_integration_test.go @@ -2216,6 +2216,7 @@ func (s *testIntegrationSuite7) TestAddExpressionIndex(c *C) { conf.Experimental.AllowsExpressionIndex = false }) tk.MustGetErrMsg("create index d on t((a+1))", "[ddl:8200]Unsupported creating expression index without allow-expression-index in config") + tk.MustGetErrMsg("create table t(a int, key ((a+1)));", "[ddl:8200]Unsupported creating expression index without allow-expression-index in config") } func (s *testIntegrationSuite7) TestCreateExpressionIndexError(c *C) { diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 0ce4b907edfce..c9d86273c7f5e 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -4813,6 +4813,9 @@ func buildHiddenColumnInfo(ctx sessionctx.Context, indexPartSpecifications []*as idxPart.Expr = nil hiddenCols = append(hiddenCols, colInfo) } + if len(hiddenCols) > 0 && !config.GetGlobalConfig().Experimental.AllowsExpressionIndex { + return nil, ErrUnsupportedExpressionIndex + } return hiddenCols, nil } @@ -4864,9 +4867,6 @@ func (d *ddl) CreateIndex(ctx sessionctx.Context, ti ast.Ident, keyType ast.Inde if err != nil { return err } - if len(hiddenCols) > 0 && !config.GetGlobalConfig().Experimental.AllowsExpressionIndex { - return ErrUnsupportedExpressionIndex - } if err = checkAddColumnTooManyColumns(len(t.Cols()) + len(hiddenCols)); err != nil { return errors.Trace(err) } From 003c42a2c7d877cc6fa4bdaa3ea6de748ff73a8b Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Fri, 18 Dec 2020 14:37:06 +0800 Subject: [PATCH 0513/1021] planner: bypass the DNF restriction if index merge hint is specified (#20799) --- planner/core/integration_test.go | 33 ++++++++++++++++--- planner/core/stats.go | 10 +++--- .../core/testdata/integration_suite_in.json | 7 ++++ .../core/testdata/integration_suite_out.json | 24 ++++++++++++++ 4 files changed, 66 insertions(+), 8 deletions(-) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 4cdb9104f20c7..ffafdc9512332 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -857,6 +857,28 @@ func (s *testIntegrationSuite) TestIndexMerge(c *C) { } } +func (s *testIntegrationSuite) TestIndexMergeHint4CNF(c *C) { + tk := testkit.NewTestKit(c, s.store) + + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(id int primary key, a int, b int, c int, key(a), key(b), key(c))") + + var input []string + var output []struct { + SQL string + Plan []string + } + s.testData.GetTestCases(c, &input, &output) + for i, tt := range input { + s.testData.OnRecord(func() { + output[i].SQL = tt + output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows()) + }) + tk.MustQuery(tt).Check(testkit.Rows(output[i].Plan...)) + } +} + func (s *testIntegrationSuite) TestInvisibleIndex(c *C) { tk := testkit.NewTestKit(c, s.store) @@ -1266,11 +1288,14 @@ func (s *testIntegrationSerialSuite) TestIndexMerge(c *C) { tk.MustExec("drop table if exists t") tk.MustExec("create table t (a int, b int, unique key(a), unique key(b))") tk.MustQuery("desc select /*+ use_index_merge(t) */ * from t where a =1 or (b=1 and b+2>1)").Check(testkit.Rows( - "TableReader_7 8000.00 root data:Selection_6", - "└─Selection_6 8000.00 cop[tikv] or(eq(test.t.a, 1), and(eq(test.t.b, 1), 1))", - " └─TableFullScan_5 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", + "Projection_4 8000.00 root test.t.a, test.t.b", + "└─IndexMerge_9 2.00 root ", + " ├─IndexRangeScan_5(Build) 1.00 cop[tikv] table:t, index:a(a) range:[1,1], keep order:false, stats:pseudo", + " ├─Selection_7(Build) 0.80 cop[tikv] 1", + " │ └─IndexRangeScan_6 1.00 cop[tikv] table:t, index:b(b) range:[1,1], keep order:false, stats:pseudo", + " └─TableRowIDScan_8(Probe) 2.00 cop[tikv] table:t keep order:false, stats:pseudo", )) - tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 IndexMerge is inapplicable or disabled")) + tk.MustQuery("show warnings").Check(testkit.Rows()) tk.MustQuery("desc select /*+ use_index_merge(t) */ * from t where a =1 or (b=1 and length(b)=1)").Check(testkit.Rows( "Projection_4 1.80 root test.t.a, test.t.b", diff --git a/planner/core/stats.go b/planner/core/stats.go index 41284219d5255..1e77480b8fe8e 100644 --- a/planner/core/stats.go +++ b/planner/core/stats.go @@ -312,10 +312,12 @@ func (ds *DataSource) DeriveStats(childStats []*property.StatsInfo, selfSchema * sessionAndStmtPermission := (ds.ctx.GetSessionVars().GetEnableIndexMerge() || len(ds.indexMergeHints) > 0) && !ds.ctx.GetSessionVars().StmtCtx.NoIndexMergeHint // If there is an index path, we current do not consider `IndexMergePath`. needConsiderIndexMerge := true - for i := 1; i < len(ds.possibleAccessPaths); i++ { - if len(ds.possibleAccessPaths[i].AccessConds) != 0 { - needConsiderIndexMerge = false - break + if len(ds.indexMergeHints) == 0 { + for i := 1; i < len(ds.possibleAccessPaths); i++ { + if len(ds.possibleAccessPaths[i].AccessConds) != 0 { + needConsiderIndexMerge = false + break + } } } if isPossibleIdxMerge && sessionAndStmtPermission && needConsiderIndexMerge && isReadOnlyTxn { diff --git a/planner/core/testdata/integration_suite_in.json b/planner/core/testdata/integration_suite_in.json index 526554fbba174..918c70e7830fd 100644 --- a/planner/core/testdata/integration_suite_in.json +++ b/planner/core/testdata/integration_suite_in.json @@ -71,6 +71,13 @@ "explain select /*+ USE_INDEX_MERGE(t, a, b, c) */ * from t where 1 or t.a = 1 or t.b = 2" ] }, + { + "name": "TestIndexMergeHint4CNF", + "cases": [ + "explain select * from t where b = 1 and (a = 1 or c = 1)", + "explain select /*+ USE_INDEX_MERGE(t, a, c) */ * from t where b = 1 and (a = 1 or c = 1)" + ] + }, { "name": "TestSubqueryWithTopN", "cases": [ diff --git a/planner/core/testdata/integration_suite_out.json b/planner/core/testdata/integration_suite_out.json index b516069fa2f91..9243534ef3042 100644 --- a/planner/core/testdata/integration_suite_out.json +++ b/planner/core/testdata/integration_suite_out.json @@ -291,6 +291,30 @@ } ] }, + { + "Name": "TestIndexMergeHint4CNF", + "Cases": [ + { + "SQL": "explain select * from t where b = 1 and (a = 1 or c = 1)", + "Plan": [ + "IndexLookUp_11 0.02 root ", + "├─IndexRangeScan_8(Build) 10.00 cop[tikv] table:t, index:b(b) range:[1,1], keep order:false, stats:pseudo", + "└─Selection_10(Probe) 0.02 cop[tikv] or(eq(test.t.a, 1), eq(test.t.c, 1))", + " └─TableRowIDScan_9 10.00 cop[tikv] table:t keep order:false, stats:pseudo" + ] + }, + { + "SQL": "explain select /*+ USE_INDEX_MERGE(t, a, c) */ * from t where b = 1 and (a = 1 or c = 1)", + "Plan": [ + "IndexMerge_9 0.02 root ", + "├─IndexRangeScan_5(Build) 10.00 cop[tikv] table:t, index:a(a) range:[1,1], keep order:false, stats:pseudo", + "├─IndexRangeScan_6(Build) 10.00 cop[tikv] table:t, index:c(c) range:[1,1], keep order:false, stats:pseudo", + "└─Selection_8(Probe) 0.02 cop[tikv] eq(test.t.b, 1)", + " └─TableRowIDScan_7 19.99 cop[tikv] table:t keep order:false, stats:pseudo" + ] + } + ] + }, { "Name": "TestSubqueryWithTopN", "Cases": [ From f687ebd91ce0c73077c483def5c67bb0c3d49ad9 Mon Sep 17 00:00:00 2001 From: dongyan <34701401+dyzsr@users.noreply.github.com> Date: Fri, 18 Dec 2020 14:51:35 +0800 Subject: [PATCH 0514/1021] planner: fix correlated aggregates which should be evaluated in outer query (#21431) --- cmd/explaintest/r/explain_easy.result | 68 +++- cmd/explaintest/r/tpch.result | 8 +- cmd/explaintest/t/explain_easy.test | 8 + executor/testdata/agg_suite_out.json | 8 +- planner/cascades/stringer_test.go | 2 +- .../testdata/integration_suite_out.json | 4 +- .../cascades/testdata/stringer_suite_out.json | 2 +- planner/core/expression_rewriter.go | 19 +- planner/core/integration_test.go | 80 ++++ planner/core/logical_plan_builder.go | 373 ++++++++++++++++-- planner/core/logical_plan_test.go | 51 ++- planner/core/planbuilder.go | 20 +- planner/core/testdata/plan_suite_out.json | 4 +- .../testdata/plan_suite_unexported_out.json | 8 +- planner/core/util.go | 13 +- 15 files changed, 601 insertions(+), 67 deletions(-) diff --git a/cmd/explaintest/r/explain_easy.result b/cmd/explaintest/r/explain_easy.result index 647ceadb2a7db..5d1a713f46431 100644 --- a/cmd/explaintest/r/explain_easy.result +++ b/cmd/explaintest/r/explain_easy.result @@ -651,9 +651,9 @@ drop table if exists t; create table t(a int, b int, c int); explain select * from (select * from t order by (select 2)) t order by a, b; id estRows task access object operator info -Sort_12 10000.00 root test.t.a, test.t.b -└─TableReader_18 10000.00 root data:TableFullScan_17 - └─TableFullScan_17 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +Sort_13 10000.00 root test.t.a, test.t.b +└─TableReader_19 10000.00 root data:TableFullScan_18 + └─TableFullScan_18 10000.00 cop[tikv] table:t keep order:false, stats:pseudo explain select * from (select * from t order by c) t order by a, b; id estRows task access object operator info Sort_6 10000.00 root test.t.a, test.t.b @@ -784,3 +784,65 @@ Update_4 N/A root N/A ├─IndexRangeScan_9(Build) 0.10 cop[tikv] table:t, index:a(a, b) range:[0xFA34E1093CB428485734E3917F000000 "xb",0xFA34E1093CB428485734E3917F000000 "xb"], keep order:false, stats:pseudo └─TableRowIDScan_10(Probe) 0.10 cop[tikv] table:t keep order:false, stats:pseudo drop table if exists t; +create table t(a int, b int); +explain select (select count(n.a) from t) from t n; +id estRows task access object operator info +Projection_9 1.00 root Column#8 +└─Apply_11 1.00 root CARTESIAN left outer join + ├─StreamAgg_23(Build) 1.00 root funcs:count(Column#13)->Column#7 + │ └─TableReader_24 1.00 root data:StreamAgg_15 + │ └─StreamAgg_15 1.00 cop[tikv] funcs:count(test.t.a)->Column#13 + │ └─TableFullScan_22 10000.00 cop[tikv] table:n keep order:false, stats:pseudo + └─MaxOneRow_27(Probe) 1.00 root + └─Projection_28 2.00 root Column#7 + └─TableReader_30 2.00 root data:TableFullScan_29 + └─TableFullScan_29 2.00 cop[tikv] table:t keep order:false, stats:pseudo +explain select (select sum((select count(a)))) from t; +id estRows task access object operator info +Projection_23 1.00 root Column#7 +└─Apply_25 1.00 root CARTESIAN left outer join + ├─StreamAgg_37(Build) 1.00 root funcs:count(Column#15)->Column#5 + │ └─TableReader_38 1.00 root data:StreamAgg_29 + │ └─StreamAgg_29 1.00 cop[tikv] funcs:count(test.t.a)->Column#15 + │ └─TableFullScan_36 10000.00 cop[tikv] table:t keep order:false, stats:pseudo + └─HashAgg_43(Probe) 1.00 root funcs:sum(Column#12)->Column#7 + └─HashJoin_44 1.00 root CARTESIAN left outer join + ├─HashAgg_49(Build) 1.00 root group by:1, funcs:sum(Column#16)->Column#12 + │ └─Projection_54 1.00 root cast(Column#6, decimal(42,0) BINARY)->Column#16 + │ └─MaxOneRow_50 1.00 root + │ └─Projection_51 1.00 root Column#5 + │ └─TableDual_52 1.00 root rows:1 + └─TableDual_46(Probe) 1.00 root rows:1 +explain select count(a) from t group by b order by (select count(a)); +id estRows task access object operator info +Sort_12 8000.00 root Column#4 +└─HashJoin_14 8000.00 root CARTESIAN left outer join + ├─TableDual_24(Build) 1.00 root rows:1 + └─HashAgg_20(Probe) 8000.00 root group by:test.t.b, funcs:count(Column#8)->Column#4 + └─TableReader_21 8000.00 root data:HashAgg_16 + └─HashAgg_16 8000.00 cop[tikv] group by:test.t.b, funcs:count(test.t.a)->Column#8 + └─TableFullScan_19 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +explain select (select sum(count(a))) from t; +id estRows task access object operator info +Projection_11 1.00 root Column#5 +└─Apply_13 1.00 root CARTESIAN left outer join + ├─StreamAgg_25(Build) 1.00 root funcs:count(Column#8)->Column#4 + │ └─TableReader_26 1.00 root data:StreamAgg_17 + │ └─StreamAgg_17 1.00 cop[tikv] funcs:count(test.t.a)->Column#8 + │ └─TableFullScan_24 10000.00 cop[tikv] table:t keep order:false, stats:pseudo + └─StreamAgg_32(Probe) 1.00 root funcs:sum(Column#9)->Column#5 + └─Projection_39 1.00 root cast(Column#4, decimal(42,0) BINARY)->Column#9 + └─TableDual_37 1.00 root rows:1 +explain select sum(a), (select sum(a)), count(a) from t group by b order by (select count(a)); +id estRows task access object operator info +Projection_16 8000.00 root Column#4, Column#4, Column#5 +└─Sort_17 8000.00 root Column#5 + └─HashJoin_19 8000.00 root CARTESIAN left outer join + ├─TableDual_33(Build) 1.00 root rows:1 + └─HashJoin_21(Probe) 8000.00 root CARTESIAN left outer join + ├─TableDual_31(Build) 1.00 root rows:1 + └─HashAgg_27(Probe) 8000.00 root group by:test.t.b, funcs:sum(Column#13)->Column#4, funcs:count(Column#14)->Column#5 + └─TableReader_28 8000.00 root data:HashAgg_23 + └─HashAgg_23 8000.00 cop[tikv] group by:test.t.b, funcs:sum(test.t.a)->Column#13, funcs:count(test.t.a)->Column#14 + └─TableFullScan_26 10000.00 cop[tikv] table:t keep order:false, stats:pseudo +drop table if exists t; diff --git a/cmd/explaintest/r/tpch.result b/cmd/explaintest/r/tpch.result index fc93eec4041b5..344fbf0b1145a 100644 --- a/cmd/explaintest/r/tpch.result +++ b/cmd/explaintest/r/tpch.result @@ -711,10 +711,10 @@ and n_name = 'MOZAMBIQUE' order by value desc; id estRows task access object operator info -Projection_57 1304801.67 root tpch.partsupp.ps_partkey, Column#18 -└─Sort_58 1304801.67 root Column#18:desc - └─Selection_60 1304801.67 root gt(Column#18, NULL) - └─HashAgg_63 1631002.09 root group by:Column#44, funcs:sum(Column#42)->Column#18, funcs:firstrow(Column#43)->tpch.partsupp.ps_partkey +Projection_57 1304801.67 root tpch.partsupp.ps_partkey, Column#35 +└─Sort_58 1304801.67 root Column#35:desc + └─Selection_60 1304801.67 root gt(Column#35, NULL) + └─HashAgg_63 1631002.09 root group by:Column#44, funcs:sum(Column#42)->Column#35, funcs:firstrow(Column#43)->tpch.partsupp.ps_partkey └─Projection_89 1631002.09 root mul(tpch.partsupp.ps_supplycost, cast(tpch.partsupp.ps_availqty, decimal(20,0) BINARY))->Column#42, tpch.partsupp.ps_partkey, tpch.partsupp.ps_partkey └─HashJoin_67 1631002.09 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.partsupp.ps_suppkey)] ├─HashJoin_80(Build) 20000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] diff --git a/cmd/explaintest/t/explain_easy.test b/cmd/explaintest/t/explain_easy.test index 930f097d9d2b3..a01179dd3ddbe 100644 --- a/cmd/explaintest/t/explain_easy.test +++ b/cmd/explaintest/t/explain_easy.test @@ -210,3 +210,11 @@ create table t(a binary(16) not null, b varchar(2) default null, c varchar(100) explain select * from t where a=x'FA34E1093CB428485734E3917F000000' and b='xb'; explain update t set c = 'ssss' where a=x'FA34E1093CB428485734E3917F000000' and b='xb'; drop table if exists t; + +create table t(a int, b int); +explain select (select count(n.a) from t) from t n; +explain select (select sum((select count(a)))) from t; +explain select count(a) from t group by b order by (select count(a)); +explain select (select sum(count(a))) from t; +explain select sum(a), (select sum(a)), count(a) from t group by b order by (select count(a)); +drop table if exists t; diff --git a/executor/testdata/agg_suite_out.json b/executor/testdata/agg_suite_out.json index e08615e35c570..441920b1756f7 100644 --- a/executor/testdata/agg_suite_out.json +++ b/executor/testdata/agg_suite_out.json @@ -49,21 +49,21 @@ "Name": "TestIssue12759HashAggCalledByApply", "Cases": [ [ - "Projection_28 1.00 root Column#3, Column#6, Column#9, Column#12", + "Projection_28 1.00 root Column#9, Column#10, Column#11, Column#12", "└─Apply_30 1.00 root CARTESIAN left outer join", " ├─Apply_32(Build) 1.00 root CARTESIAN left outer join", " │ ├─Apply_34(Build) 1.00 root CARTESIAN left outer join", - " │ │ ├─HashAgg_39(Build) 1.00 root funcs:sum(Column#22)->Column#3, funcs:firstrow(Column#23)->test.test.a", + " │ │ ├─HashAgg_39(Build) 1.00 root funcs:sum(Column#22)->Column#9, funcs:firstrow(Column#23)->test.test.a", " │ │ │ └─TableReader_40 1.00 root data:HashAgg_35", " │ │ │ └─HashAgg_35 1.00 cop[tikv] funcs:sum(test.test.a)->Column#22, funcs:firstrow(test.test.a)->Column#23", " │ │ │ └─TableFullScan_38 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo", - " │ │ └─Projection_43(Probe) 1.00 root ->Column#6", + " │ │ └─Projection_43(Probe) 1.00 root ->Column#10", " │ │ └─Limit_44 1.00 root offset:0, count:1", " │ │ └─TableReader_50 1.00 root data:Limit_49", " │ │ └─Limit_49 1.00 cop[tikv] offset:0, count:1", " │ │ └─Selection_48 1.00 cop[tikv] eq(test.test.a, test.test.a)", " │ │ └─TableFullScan_47 1000.00 cop[tikv] table:test keep order:false, stats:pseudo", - " │ └─Projection_54(Probe) 1.00 root ->Column#9", + " │ └─Projection_54(Probe) 1.00 root ->Column#11", " │ └─Limit_55 1.00 root offset:0, count:1", " │ └─TableReader_61 1.00 root data:Limit_60", " │ └─Limit_60 1.00 cop[tikv] offset:0, count:1", diff --git a/planner/cascades/stringer_test.go b/planner/cascades/stringer_test.go index 85314983548c9..c9a64772d8145 100644 --- a/planner/cascades/stringer_test.go +++ b/planner/cascades/stringer_test.go @@ -86,6 +86,6 @@ func (s *testStringerSuite) TestGroupStringer(c *C) { output[i].SQL = sql output[i].Result = ToString(group) }) - c.Assert(ToString(group), DeepEquals, output[i].Result) + c.Assert(ToString(group), DeepEquals, output[i].Result, Commentf("case:%v, sql:%s", i, sql)) } } diff --git a/planner/cascades/testdata/integration_suite_out.json b/planner/cascades/testdata/integration_suite_out.json index 846b2d22b91db..23d2f08ab2bfa 100644 --- a/planner/cascades/testdata/integration_suite_out.json +++ b/planner/cascades/testdata/integration_suite_out.json @@ -1048,10 +1048,10 @@ { "SQL": "select sum(a), (select t1.a from t1 where t1.a = t2.a limit 1), (select t1.b from t1 where t1.b = t2.b limit 1) from t2", "Plan": [ - "Projection_30 1.00 root Column#3, test.t1.a, test.t1.b", + "Projection_30 1.00 root Column#7, test.t1.a, test.t1.b", "└─Apply_32 1.00 root CARTESIAN left outer join", " ├─Apply_34(Build) 1.00 root CARTESIAN left outer join", - " │ ├─HashAgg_39(Build) 1.00 root funcs:sum(Column#8)->Column#3, funcs:firstrow(Column#9)->test.t2.a, funcs:firstrow(Column#10)->test.t2.b", + " │ ├─HashAgg_39(Build) 1.00 root funcs:sum(Column#8)->Column#7, funcs:firstrow(Column#9)->test.t2.a, funcs:firstrow(Column#10)->test.t2.b", " │ │ └─TableReader_40 1.00 root data:HashAgg_41", " │ │ └─HashAgg_41 1.00 cop[tikv] funcs:sum(test.t2.a)->Column#8, funcs:firstrow(test.t2.a)->Column#9, funcs:firstrow(test.t2.b)->Column#10", " │ │ └─TableFullScan_38 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", diff --git a/planner/cascades/testdata/stringer_suite_out.json b/planner/cascades/testdata/stringer_suite_out.json index b1d595ded9090..4a3335854ac88 100644 --- a/planner/cascades/testdata/stringer_suite_out.json +++ b/planner/cascades/testdata/stringer_suite_out.json @@ -290,7 +290,7 @@ "SQL": "select a = (select a from t t2 where t1.b = t2.b order by a limit 1) from t t1", "Result": [ "Group#0 Schema:[Column#25]", - " Projection_2 input:[Group#1], eq(test.t.a, test.t.a)->Column#25", + " Projection_3 input:[Group#1], eq(test.t.a, test.t.a)->Column#25", "Group#1 Schema:[test.t.a,test.t.b,test.t.a]", " Apply_9 input:[Group#2,Group#3], left outer join", "Group#2 Schema:[test.t.a,test.t.b], UniqueKey:[test.t.a]", diff --git a/planner/core/expression_rewriter.go b/planner/core/expression_rewriter.go index da112128b40ed..db54e4b1d9cea 100644 --- a/planner/core/expression_rewriter.go +++ b/planner/core/expression_rewriter.go @@ -339,11 +339,24 @@ func (er *expressionRewriter) Enter(inNode ast.Node) (ast.Node, bool) { if er.aggrMap != nil { index, ok = er.aggrMap[v] } - if !ok { - er.err = ErrInvalidGroupFuncUse + if ok { + // index < 0 indicates this is a correlated aggregate belonging to outer query, + // for which a correlated column will be created later, so we append a null constant + // as a temporary result expression. + if index < 0 { + er.ctxStackAppend(expression.NewNull(), types.EmptyName) + } else { + // index >= 0 indicates this is a regular aggregate column + er.ctxStackAppend(er.schema.Columns[index], er.names[index]) + } return inNode, true } - er.ctxStackAppend(er.schema.Columns[index], er.names[index]) + // replace correlated aggregate in sub-query with its corresponding correlated column + if col, ok := er.b.correlatedAggMapper[v]; ok { + er.ctxStackAppend(col, types.EmptyName) + return inNode, true + } + er.err = ErrInvalidGroupFuncUse return inNode, true case *ast.ColumnNameExpr: if index, ok := er.b.colMapper[v]; ok { diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index ffafdc9512332..2c0bd3b097104 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -2049,6 +2049,86 @@ func (s *testIntegrationSuite) TestOrderByNotInSelectDistinct(c *C) { tk.MustQuery("select distinct v1 as z from ttest order by v1+z").Check(testkit.Rows("1", "4")) } +func (s *testIntegrationSuite) TestCorrelatedAggregate(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + + // #18350 + tk.MustExec("DROP TABLE IF EXISTS tab, tab2") + tk.MustExec("CREATE TABLE tab(i INT)") + tk.MustExec("CREATE TABLE tab2(j INT)") + tk.MustExec("insert into tab values(1),(2),(3)") + tk.MustExec("insert into tab2 values(1),(2),(3),(15)") + tk.MustQuery(`SELECT m.i, + (SELECT COUNT(n.j) + FROM tab2 WHERE j=15) AS o + FROM tab m, tab2 n GROUP BY 1 order by m.i`).Check(testkit.Rows("1 4", "2 4", "3 4")) + tk.MustQuery(`SELECT + (SELECT COUNT(n.j) + FROM tab2 WHERE j=15) AS o + FROM tab m, tab2 n order by m.i`).Check(testkit.Rows("12")) + + // #17748 + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1 (a int, b int)") + tk.MustExec("create table t2 (m int, n int)") + tk.MustExec("insert into t1 values (2,2), (2,2), (3,3), (3,3), (3,3), (4,4)") + tk.MustExec("insert into t2 values (1,11), (2,22), (3,32), (4,44), (4,44)") + tk.MustExec("set @@sql_mode='TRADITIONAL'") + + tk.MustQuery(`select count(*) c, a, + ( select group_concat(count(a)) from t2 where m = a ) + from t1 group by a order by a`). + Check(testkit.Rows("2 2 2", "3 3 3", "1 4 1,1")) + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int, b int)") + tk.MustExec("insert into t values (1,1),(2,1),(2,2),(3,1),(3,2),(3,3)") + + // Sub-queries in SELECT fields + // from SELECT fields + tk.MustQuery("select (select count(a)) from t").Check(testkit.Rows("6")) + tk.MustQuery("select (select (select (select count(a)))) from t").Check(testkit.Rows("6")) + tk.MustQuery("select (select (select count(n.a)) from t m order by count(m.b)) from t n").Check(testkit.Rows("6")) + // from WHERE + tk.MustQuery("select (select count(n.a) from t where count(n.a)=3) from t n").Check(testkit.Rows("")) + tk.MustQuery("select (select count(a) from t where count(distinct n.a)=3) from t n").Check(testkit.Rows("6")) + // from HAVING + tk.MustQuery("select (select count(n.a) from t having count(n.a)=6 limit 1) from t n").Check(testkit.Rows("6")) + tk.MustQuery("select (select count(n.a) from t having count(distinct n.b)=3 limit 1) from t n").Check(testkit.Rows("6")) + tk.MustQuery("select (select sum(distinct n.a) from t having count(distinct n.b)=3 limit 1) from t n").Check(testkit.Rows("6")) + tk.MustQuery("select (select sum(distinct n.a) from t having count(distinct n.b)=6 limit 1) from t n").Check(testkit.Rows("")) + // from ORDER BY + tk.MustQuery("select (select count(n.a) from t order by count(n.b) limit 1) from t n").Check(testkit.Rows("6")) + tk.MustQuery("select (select count(distinct n.b) from t order by count(n.b) limit 1) from t n").Check(testkit.Rows("3")) + // from TableRefsClause + tk.MustQuery("select (select cnt from (select count(a) cnt) s) from t").Check(testkit.Rows("6")) + tk.MustQuery("select (select count(cnt) from (select count(a) cnt) s) from t").Check(testkit.Rows("1")) + // from sub-query inside aggregate + tk.MustQuery("select (select sum((select count(a)))) from t").Check(testkit.Rows("6")) + tk.MustQuery("select (select sum((select count(a))+sum(a))) from t").Check(testkit.Rows("20")) + // from GROUP BY + tk.MustQuery("select (select count(a) from t group by count(n.a)) from t n").Check(testkit.Rows("6")) + tk.MustQuery("select (select count(distinct a) from t group by count(n.a)) from t n").Check(testkit.Rows("3")) + + // Sub-queries in HAVING + tk.MustQuery("select sum(a) from t having (select count(a)) = 0").Check(testkit.Rows()) + tk.MustQuery("select sum(a) from t having (select count(a)) > 0").Check(testkit.Rows("14")) + + // Sub-queries in ORDER BY + tk.MustQuery("select count(a) from t group by b order by (select count(a))").Check(testkit.Rows("1", "2", "3")) + tk.MustQuery("select count(a) from t group by b order by (select -count(a))").Check(testkit.Rows("3", "2", "1")) + + // Nested aggregate (correlated aggregate inside aggregate) + tk.MustQuery("select (select sum(count(a))) from t").Check(testkit.Rows("6")) + tk.MustQuery("select (select sum(sum(a))) from t").Check(testkit.Rows("14")) + + // Combining aggregates + tk.MustQuery("select count(a), (select count(a)) from t").Check(testkit.Rows("6 6")) + tk.MustQuery("select sum(distinct b), count(a), (select count(a)), (select cnt from (select sum(distinct b) as cnt) n) from t"). + Check(testkit.Rows("6 6 6 6")) +} + func (s *testIntegrationSuite) TestCorrelatedColumnAggFuncPushDown(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index a94913ff6443c..e92482190b414 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -162,7 +162,8 @@ func (a *aggOrderByResolver) Leave(inNode ast.Node) (ast.Node, bool) { return inNode, true } -func (b *PlanBuilder) buildAggregation(ctx context.Context, p LogicalPlan, aggFuncList []*ast.AggregateFuncExpr, gbyItems []expression.Expression) (LogicalPlan, map[int]int, error) { +func (b *PlanBuilder) buildAggregation(ctx context.Context, p LogicalPlan, aggFuncList []*ast.AggregateFuncExpr, gbyItems []expression.Expression, + correlatedAggMap map[*ast.AggregateFuncExpr]int) (LogicalPlan, map[int]int, error) { b.optFlag |= flagBuildKeyInfo b.optFlag |= flagPushDownAgg // We may apply aggregation eliminate optimization. @@ -222,23 +223,40 @@ func (b *PlanBuilder) buildAggregation(ctx context.Context, p LogicalPlan, aggFu newFunc.OrderByItems = append(newFunc.OrderByItems, &util.ByItems{Expr: newByItem, Desc: byItem.Desc}) } } + // combine identical aggregate functions combined := false - for j, oldFunc := range plan4Agg.AggFuncs { + for j := 0; j < i; j++ { + oldFunc := plan4Agg.AggFuncs[aggIndexMap[j]] if oldFunc.Equal(b.ctx, newFunc) { - aggIndexMap[i] = j + aggIndexMap[i] = aggIndexMap[j] combined = true + if _, ok := correlatedAggMap[aggFunc]; ok { + if _, ok = b.correlatedAggMapper[aggFuncList[j]]; !ok { + b.correlatedAggMapper[aggFuncList[j]] = &expression.CorrelatedColumn{ + Column: *schema4Agg.Columns[aggIndexMap[j]], + } + } + b.correlatedAggMapper[aggFunc] = b.correlatedAggMapper[aggFuncList[j]] + } break } } + // create new columns for aggregate functions which show up first if !combined { position := len(plan4Agg.AggFuncs) aggIndexMap[i] = position plan4Agg.AggFuncs = append(plan4Agg.AggFuncs, newFunc) - schema4Agg.Append(&expression.Column{ + column := expression.Column{ UniqueID: b.ctx.GetSessionVars().AllocPlanColumnID(), RetType: newFunc.RetTp, - }) + } + schema4Agg.Append(&column) names = append(names, types.EmptyName) + if _, ok := correlatedAggMap[aggFunc]; ok { + b.correlatedAggMapper[aggFunc] = &expression.CorrelatedColumn{ + Column: column, + } + } } } for i, col := range p.Schema().Columns { @@ -267,6 +285,34 @@ func (b *PlanBuilder) buildAggregation(ctx context.Context, p LogicalPlan, aggFu return plan4Agg, aggIndexMap, nil } +func (b *PlanBuilder) buildTableRefsWithCache(ctx context.Context, from *ast.TableRefsClause) (p LogicalPlan, err error) { + return b.buildTableRefs(ctx, from, true) +} + +func (b *PlanBuilder) buildTableRefs(ctx context.Context, from *ast.TableRefsClause, useCache bool) (p LogicalPlan, err error) { + if from == nil { + p = b.buildTableDual() + return + } + if !useCache { + return b.buildResultSetNode(ctx, from.TableRefs) + } + var ok bool + p, ok = b.cachedResultSetNodes[from.TableRefs] + if ok { + m := b.cachedHandleHelperMap[from.TableRefs] + b.handleHelper.pushMap(m) + return + } + p, err = b.buildResultSetNode(ctx, from.TableRefs) + if err != nil { + return nil, err + } + b.cachedResultSetNodes[from.TableRefs] = p + b.cachedHandleHelperMap[from.TableRefs] = b.handleHelper.tailMap() + return +} + func (b *PlanBuilder) buildResultSetNode(ctx context.Context, node ast.ResultSetNode) (p LogicalPlan, err error) { switch x := node.(type) { case *ast.Join: @@ -2034,8 +2080,8 @@ func (b *PlanBuilder) resolveHavingAndOrderBy(sel *ast.SelectStmt, p LogicalPlan return havingAggMapper, extractor.aggMapper, nil } -func (b *PlanBuilder) extractAggFuncs(fields []*ast.SelectField) ([]*ast.AggregateFuncExpr, map[*ast.AggregateFuncExpr]int) { - extractor := &AggregateFuncExtractor{} +func (b *PlanBuilder) extractAggFuncsInSelectFields(fields []*ast.SelectField) ([]*ast.AggregateFuncExpr, map[*ast.AggregateFuncExpr]int) { + extractor := &AggregateFuncExtractor{skipAggMap: b.correlatedAggMapper} for _, f := range fields { n, _ := f.Expr.Accept(extractor) f.Expr = n.(ast.ExprNode) @@ -2049,6 +2095,38 @@ func (b *PlanBuilder) extractAggFuncs(fields []*ast.SelectField) ([]*ast.Aggrega return aggList, totalAggMapper } +func (b *PlanBuilder) extractAggFuncsInByItems(byItems []*ast.ByItem) []*ast.AggregateFuncExpr { + extractor := &AggregateFuncExtractor{skipAggMap: b.correlatedAggMapper} + for _, f := range byItems { + n, _ := f.Expr.Accept(extractor) + f.Expr = n.(ast.ExprNode) + } + return extractor.AggFuncs +} + +// extractCorrelatedAggFuncs extracts correlated aggregates which belong to outer query from aggregate function list. +func (b *PlanBuilder) extractCorrelatedAggFuncs(ctx context.Context, p LogicalPlan, aggFuncs []*ast.AggregateFuncExpr) (outer []*ast.AggregateFuncExpr, err error) { + corCols := make([]*expression.CorrelatedColumn, 0, len(aggFuncs)) + cols := make([]*expression.Column, 0, len(aggFuncs)) + aggMapper := make(map[*ast.AggregateFuncExpr]int) + for _, agg := range aggFuncs { + for _, arg := range agg.Args { + expr, _, err := b.rewrite(ctx, arg, p, aggMapper, true) + if err != nil { + return nil, err + } + corCols = append(corCols, expression.ExtractCorColumns(expr)...) + cols = append(cols, expression.ExtractColumns(expr)...) + } + if len(corCols) > 0 && len(cols) == 0 { + outer = append(outer, agg) + } + aggMapper[agg] = -1 + corCols, cols = corCols[:0], cols[:0] + } + return +} + // resolveWindowFunction will process window functions and resolve the columns that don't exist in select fields. func (b *PlanBuilder) resolveWindowFunction(sel *ast.SelectStmt, p LogicalPlan) ( map[*ast.AggregateFuncExpr]int, error) { @@ -2094,15 +2172,232 @@ func (b *PlanBuilder) resolveWindowFunction(sel *ast.SelectStmt, p LogicalPlan) return extractor.aggMapper, nil } +// correlatedAggregateResolver visits Expr tree. +// It finds and collects all correlated aggregates which should be evaluated in the outer query. +type correlatedAggregateResolver struct { + ctx context.Context + err error + b *PlanBuilder + outerPlan LogicalPlan + + // correlatedAggFuncs stores aggregate functions which belong to outer query + correlatedAggFuncs []*ast.AggregateFuncExpr +} + +// Enter implements Visitor interface. +func (r *correlatedAggregateResolver) Enter(n ast.Node) (ast.Node, bool) { + switch v := n.(type) { + case *ast.SelectStmt: + if r.outerPlan != nil { + outerSchema := r.outerPlan.Schema() + r.b.outerSchemas = append(r.b.outerSchemas, outerSchema) + r.b.outerNames = append(r.b.outerNames, r.outerPlan.OutputNames()) + } + r.err = r.resolveSelect(v) + return n, true + } + return n, false +} + +// resolveSelect finds and collects correlated aggregates within the SELECT stmt. +// It resolves and builds FROM clause first to get a source plan, from which we can decide +// whether a column is correlated or not. +// Then it collects correlated aggregate from SELECT fields (including sub-queries), HAVING, +// ORDER BY, WHERE & GROUP BY. +// Finally it restore the original SELECT stmt. +func (r *correlatedAggregateResolver) resolveSelect(sel *ast.SelectStmt) (err error) { + // collect correlated aggregate from sub-queries inside FROM clause. + useCache, err := r.collectFromTableRefs(r.ctx, sel.From) + if err != nil { + return err + } + // we cannot use cache if there are correlated aggregates inside FROM clause, + // since the plan we are building now is not correct and need to be rebuild later. + p, err := r.b.buildTableRefs(r.ctx, sel.From, useCache) + if err != nil { + return err + } + + // similar to process in PlanBuilder.buildSelect + originalFields := sel.Fields.Fields + sel.Fields.Fields, err = r.b.unfoldWildStar(p, sel.Fields.Fields) + if err != nil { + return err + } + if r.b.capFlag&canExpandAST != 0 { + originalFields = sel.Fields.Fields + } + + hasWindowFuncField := r.b.detectSelectWindow(sel) + if hasWindowFuncField { + _, err = r.b.resolveWindowFunction(sel, p) + if err != nil { + return err + } + } + + _, _, err = r.b.resolveHavingAndOrderBy(sel, p) + if err != nil { + return err + } + + // find and collect correlated aggregates recursively in sub-queries + _, err = r.b.resolveCorrelatedAggregates(r.ctx, sel, p) + if err != nil { + return err + } + + // collect from SELECT fields, HAVING, ORDER BY and window functions + if r.b.detectSelectAgg(sel) { + err = r.collectFromSelectFields(p, sel.Fields.Fields) + if err != nil { + return err + } + } + + // collect from WHERE + err = r.collectFromWhere(p, sel.Where) + if err != nil { + return err + } + + // collect from GROUP BY + err = r.collectFromGroupBy(p, sel.GroupBy) + if err != nil { + return err + } + + // restore the sub-query + sel.Fields.Fields = originalFields + r.b.handleHelper.popMap() + return nil +} + +func (r *correlatedAggregateResolver) collectFromTableRefs(ctx context.Context, from *ast.TableRefsClause) (canCache bool, err error) { + if from == nil { + return true, nil + } + subResolver := &correlatedAggregateResolver{ + ctx: r.ctx, + b: r.b, + } + _, ok := from.TableRefs.Accept(subResolver) + if !ok { + return false, subResolver.err + } + if len(subResolver.correlatedAggFuncs) == 0 { + return true, nil + } + r.correlatedAggFuncs = append(r.correlatedAggFuncs, subResolver.correlatedAggFuncs...) + return false, nil +} + +func (r *correlatedAggregateResolver) collectFromSelectFields(p LogicalPlan, fields []*ast.SelectField) error { + aggList, _ := r.b.extractAggFuncsInSelectFields(fields) + r.b.curClause = fieldList + outerAggFuncs, err := r.b.extractCorrelatedAggFuncs(r.ctx, p, aggList) + if err != nil { + return nil + } + r.correlatedAggFuncs = append(r.correlatedAggFuncs, outerAggFuncs...) + return nil +} + +func (r *correlatedAggregateResolver) collectFromGroupBy(p LogicalPlan, groupBy *ast.GroupByClause) error { + if groupBy == nil { + return nil + } + aggList := r.b.extractAggFuncsInByItems(groupBy.Items) + r.b.curClause = groupByClause + outerAggFuncs, err := r.b.extractCorrelatedAggFuncs(r.ctx, p, aggList) + if err != nil { + return nil + } + r.correlatedAggFuncs = append(r.correlatedAggFuncs, outerAggFuncs...) + return nil +} + +func (r *correlatedAggregateResolver) collectFromWhere(p LogicalPlan, where ast.ExprNode) error { + if where == nil { + return nil + } + extractor := &AggregateFuncExtractor{skipAggMap: r.b.correlatedAggMapper} + _, _ = where.Accept(extractor) + r.b.curClause = whereClause + outerAggFuncs, err := r.b.extractCorrelatedAggFuncs(r.ctx, p, extractor.AggFuncs) + if err != nil { + return err + } + r.correlatedAggFuncs = append(r.correlatedAggFuncs, outerAggFuncs...) + return nil +} + +// Leave implements Visitor interface. +func (r *correlatedAggregateResolver) Leave(n ast.Node) (ast.Node, bool) { + switch n.(type) { + case *ast.SelectStmt: + if r.outerPlan != nil { + r.b.outerSchemas = r.b.outerSchemas[0 : len(r.b.outerSchemas)-1] + r.b.outerNames = r.b.outerNames[0 : len(r.b.outerNames)-1] + } + } + return n, true +} + +// resolveCorrelatedAggregates finds and collects all correlated aggregates which should be evaluated +// in the outer query from all the sub-queries inside SELECT fields. +func (b *PlanBuilder) resolveCorrelatedAggregates(ctx context.Context, sel *ast.SelectStmt, p LogicalPlan) (map[*ast.AggregateFuncExpr]int, error) { + resolver := &correlatedAggregateResolver{ + ctx: ctx, + b: b, + outerPlan: p, + } + correlatedAggList := make([]*ast.AggregateFuncExpr, 0) + for _, field := range sel.Fields.Fields { + _, ok := field.Expr.Accept(resolver) + if !ok { + return nil, resolver.err + } + correlatedAggList = append(correlatedAggList, resolver.correlatedAggFuncs...) + } + if sel.Having != nil { + _, ok := sel.Having.Expr.Accept(resolver) + if !ok { + return nil, resolver.err + } + correlatedAggList = append(correlatedAggList, resolver.correlatedAggFuncs...) + } + if sel.OrderBy != nil { + for _, item := range sel.OrderBy.Items { + _, ok := item.Expr.Accept(resolver) + if !ok { + return nil, resolver.err + } + correlatedAggList = append(correlatedAggList, resolver.correlatedAggFuncs...) + } + } + correlatedAggMap := make(map[*ast.AggregateFuncExpr]int) + for _, aggFunc := range correlatedAggList { + correlatedAggMap[aggFunc] = len(sel.Fields.Fields) + sel.Fields.Fields = append(sel.Fields.Fields, &ast.SelectField{ + Auxiliary: true, + Expr: aggFunc, + AsName: model.NewCIStr(fmt.Sprintf("sel_subq_agg_%d", len(sel.Fields.Fields))), + }) + } + return correlatedAggMap, nil +} + // gbyResolver resolves group by items from select fields. type gbyResolver struct { - ctx sessionctx.Context - fields []*ast.SelectField - schema *expression.Schema - names []*types.FieldName - err error - inExpr bool - isParam bool + ctx sessionctx.Context + fields []*ast.SelectField + schema *expression.Schema + names []*types.FieldName + err error + inExpr bool + isParam bool + skipAggMap map[*ast.AggregateFuncExpr]*expression.CorrelatedColumn exprDepth int // exprDepth is the depth of current expression in expression tree. } @@ -2130,7 +2425,7 @@ func (g *gbyResolver) Enter(inNode ast.Node) (ast.Node, bool) { } func (g *gbyResolver) Leave(inNode ast.Node) (ast.Node, bool) { - extractor := &AggregateFuncExtractor{} + extractor := &AggregateFuncExtractor{skipAggMap: g.skipAggMap} switch v := inNode.(type) { case *ast.ColumnNameExpr: idx, err := expression.FindFieldName(g.names, v.Name) @@ -2644,10 +2939,11 @@ func (b *PlanBuilder) resolveGbyExprs(ctx context.Context, p LogicalPlan, gby *a b.curClause = groupByClause exprs := make([]expression.Expression, 0, len(gby.Items)) resolver := &gbyResolver{ - ctx: b.ctx, - fields: fields, - schema: p.Schema(), - names: p.OutputNames(), + ctx: b.ctx, + fields: fields, + schema: p.Schema(), + names: p.OutputNames(), + skipAggMap: b.correlatedAggMapper, } for _, item := range gby.Items { resolver.inExpr = false @@ -2947,17 +3243,17 @@ func (b *PlanBuilder) buildSelect(ctx context.Context, sel *ast.SelectStmt) (p L aggFuncs []*ast.AggregateFuncExpr havingMap, orderMap, totalMap map[*ast.AggregateFuncExpr]int windowAggMap map[*ast.AggregateFuncExpr]int + correlatedAggMap map[*ast.AggregateFuncExpr]int gbyCols []expression.Expression projExprs []expression.Expression ) - if sel.From != nil { - p, err = b.buildResultSetNode(ctx, sel.From.TableRefs) - if err != nil { - return nil, err - } - } else { - p = b.buildTableDual() + // For sub-queries, the FROM clause may have already been built in outer query when resolving correlated aggregates. + // If the ResultSetNode inside FROM clause has nothing to do with correlated aggregates, we can simply get the + // existing ResultSetNode from the cache. + p, err = b.buildTableRefsWithCache(ctx, sel.From) + if err != nil { + return nil, err } originalFields := sel.Fields.Fields @@ -3001,6 +3297,15 @@ func (b *PlanBuilder) buildSelect(ctx context.Context, sel *ast.SelectStmt) (p L return nil, err } + // We have to resolve correlated aggregate inside sub-queries before building aggregation and building projection, + // for instance, count(a) inside the sub-query of "select (select count(a)) from t" should be evaluated within + // the context of the outer query. So we have to extract such aggregates from sub-queries and put them into + // SELECT field list. + correlatedAggMap, err = b.resolveCorrelatedAggregates(ctx, sel, p) + if err != nil { + return nil, err + } + // b.allNames will be used in evalDefaultExpr(). Default function is special because it needs to find the // corresponding column name, but does not need the value in the column. // For example, select a from t order by default(b), the column b will not be in select fields. Also because @@ -3028,14 +3333,22 @@ func (b *PlanBuilder) buildSelect(ctx context.Context, sel *ast.SelectStmt) (p L hasAgg := b.detectSelectAgg(sel) if hasAgg { - aggFuncs, totalMap = b.extractAggFuncs(sel.Fields.Fields) + aggFuncs, totalMap = b.extractAggFuncsInSelectFields(sel.Fields.Fields) + // len(aggFuncs) == 0 and sel.GroupBy == nil indicates that all the aggregate functions inside the SELECT fields + // are actually correlated aggregates from the outer query, which have already been built in the outer query. + // The only thing we need to do is to find them from b.correlatedAggMap in buildProjection. + if len(aggFuncs) == 0 && sel.GroupBy == nil { + hasAgg = false + } + } + if hasAgg { var aggIndexMap map[int]int - p, aggIndexMap, err = b.buildAggregation(ctx, p, aggFuncs, gbyCols) + p, aggIndexMap, err = b.buildAggregation(ctx, p, aggFuncs, gbyCols, correlatedAggMap) if err != nil { return nil, err } - for k, v := range totalMap { - totalMap[k] = aggIndexMap[v] + for agg, idx := range totalMap { + totalMap[agg] = aggIndexMap[idx] } } diff --git a/planner/core/logical_plan_test.go b/planner/core/logical_plan_test.go index b839f1e8e75d0..51526f3a1b6a2 100644 --- a/planner/core/logical_plan_test.go +++ b/planner/core/logical_plan_test.go @@ -538,7 +538,7 @@ func (s *testPlanSuite) TestColumnPruning(c *C) { ctx := context.Background() for i, tt := range input { - comment := Commentf("for %s", tt) + comment := Commentf("case:%v sql:\"%s\"", i, tt) stmt, err := s.ParseOneStmt(tt, "", "") c.Assert(err, IsNil, comment) @@ -618,7 +618,7 @@ func (s *testPlanSuite) checkDataSourceCols(p LogicalPlan, c *C, ans map[int][]s ans[p.ID()] = make([]string, p.Schema().Len()) }) colList, ok := ans[p.ID()] - c.Assert(ok, IsTrue, Commentf("For %v %T ID %d Not found", comment, v, p.ID())) + c.Assert(ok, IsTrue, Commentf("For %s %T ID %d Not found", comment.CheckCommentString(), v, p.ID())) c.Assert(len(p.Schema().Columns), Equals, len(colList), comment) for i, col := range p.Schema().Columns { s.testData.OnRecord(func() { @@ -1656,3 +1656,50 @@ func (s *testPlanSuite) TestSimplyOuterJoinWithOnlyOuterExpr(c *C) { // previous wrong JoinType is InnerJoin c.Assert(join.JoinType, Equals, RightOuterJoin) } + +func (s *testPlanSuite) TestResolvingCorrelatedAggregate(c *C) { + defer testleak.AfterTest(c)() + tests := []struct { + sql string + best string + }{ + { + sql: "select (select count(a)) from t", + best: "Apply{DataScan(t)->Aggr(count(test.t.a))->Dual->Projection->MaxOneRow}->Projection", + }, + { + sql: "select (select count(n.a) from t) from t n", + best: "Apply{DataScan(n)->Aggr(count(test.t.a))->DataScan(t)->Projection->MaxOneRow}->Projection", + }, + { + sql: "select (select sum(count(a))) from t", + best: "Apply{DataScan(t)->Aggr(count(test.t.a))->Dual->Aggr(sum(Column#13))->MaxOneRow}->Projection", + }, + { + sql: "select (select sum(count(n.a)) from t) from t n", + best: "Apply{DataScan(n)->Aggr(count(test.t.a))->DataScan(t)->Aggr(sum(Column#25))->MaxOneRow}->Projection", + }, + { + sql: "select (select cnt from (select count(a) as cnt) n) from t", + best: "Apply{DataScan(t)->Aggr(count(test.t.a))->Dual->Projection->MaxOneRow}->Projection", + }, + { + sql: "select sum(a), sum(a), count(a), (select count(a)) from t", + best: "Apply{DataScan(t)->Aggr(sum(test.t.a),count(test.t.a))->Dual->Projection->MaxOneRow}->Projection", + }, + } + + ctx := context.TODO() + for i, tt := range tests { + comment := Commentf("case:%v sql:%s", i, tt.sql) + stmt, err := s.ParseOneStmt(tt.sql, "", "") + c.Assert(err, IsNil, comment) + err = Preprocess(s.ctx, stmt, s.is) + c.Assert(err, IsNil, comment) + p, _, err := BuildLogicalPlan(ctx, s.ctx, stmt, s.is) + c.Assert(err, IsNil, comment) + p, err = logicalOptimize(context.TODO(), flagBuildKeyInfo|flagEliminateProjection|flagPrunColumns|flagPrunColumnsAgain, p.(LogicalPlan)) + c.Assert(err, IsNil, comment) + c.Assert(ToString(p), Equals, tt.best, comment) + } +} diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index 937c62ed77866..90b68ce8f9e73 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -458,6 +458,13 @@ type PlanBuilder struct { // isSampling indicates whether the query is sampling. isSampling bool + + // correlatedAggMapper stores columns for correlated aggregates which should be evaluated in outer query. + correlatedAggMapper map[*ast.AggregateFuncExpr]*expression.CorrelatedColumn + + // cache ResultSetNodes and HandleHelperMap to avoid rebuilding. + cachedResultSetNodes map[*ast.Join]LogicalPlan + cachedHandleHelperMap map[*ast.Join]map[int64][]HandleCols } type handleColHelper struct { @@ -563,11 +570,14 @@ func NewPlanBuilder(sctx sessionctx.Context, is infoschema.InfoSchema, processor sctx.GetSessionVars().PlannerSelectBlockAsName = make([]ast.HintTable, processor.MaxSelectStmtOffset()+1) } return &PlanBuilder{ - ctx: sctx, - is: is, - colMapper: make(map[*ast.ColumnNameExpr]int), - handleHelper: &handleColHelper{id2HandleMapStack: make([]map[int64][]HandleCols, 0)}, - hintProcessor: processor, + ctx: sctx, + is: is, + colMapper: make(map[*ast.ColumnNameExpr]int), + handleHelper: &handleColHelper{id2HandleMapStack: make([]map[int64][]HandleCols, 0)}, + hintProcessor: processor, + correlatedAggMapper: make(map[*ast.AggregateFuncExpr]*expression.CorrelatedColumn), + cachedResultSetNodes: make(map[*ast.Join]LogicalPlan), + cachedHandleHelperMap: make(map[*ast.Join]map[int64][]HandleCols), }, savedBlockNames } diff --git a/planner/core/testdata/plan_suite_out.json b/planner/core/testdata/plan_suite_out.json index e05bdbb0d1495..5bc03c8308576 100644 --- a/planner/core/testdata/plan_suite_out.json +++ b/planner/core/testdata/plan_suite_out.json @@ -2115,12 +2115,12 @@ { "SQL": "select 1 from (select /*+ HASH_JOIN(t1) */ t1.a in (select t2.a from t2) from t1) x;", "Plan": "LeftHashJoin{IndexReader(Index(t1.idx_a)[[NULL,+inf]])->IndexReader(Index(t2.idx_a)[[NULL,+inf]])}->Projection", - "Hints": "use_index(@`sel_2` `test`.`t1` `idx_a`), use_index(@`sel_3` `test`.`t2` `idx_a`), hash_join(@`sel_2` `test`.`t1`)" + "Hints": "use_index(@`sel_2` `test`.`t1` `idx_a`), use_index(@`sel_2` `test`.`t2` `idx_a`), hash_join(@`sel_2` `test`.`t1`)" }, { "SQL": "select 1 from (select /*+ HASH_JOIN(t1) */ t1.a not in (select t2.a from t2) from t1) x;", "Plan": "LeftHashJoin{IndexReader(Index(t1.idx_a)[[NULL,+inf]])->IndexReader(Index(t2.idx_a)[[NULL,+inf]])}->Projection", - "Hints": "use_index(@`sel_2` `test`.`t1` `idx_a`), use_index(@`sel_3` `test`.`t2` `idx_a`), hash_join(@`sel_2` `test`.`t1`)" + "Hints": "use_index(@`sel_2` `test`.`t1` `idx_a`), use_index(@`sel_2` `test`.`t2` `idx_a`), hash_join(@`sel_2` `test`.`t1`)" }, { "SQL": "select /*+ INL_JOIN(t1) */ t1.b, t2.b from t1 inner join t2 on t1.a = t2.a;", diff --git a/planner/core/testdata/plan_suite_unexported_out.json b/planner/core/testdata/plan_suite_unexported_out.json index 768ec614672dc..5cd8b648a930e 100644 --- a/planner/core/testdata/plan_suite_unexported_out.json +++ b/planner/core/testdata/plan_suite_unexported_out.json @@ -101,7 +101,7 @@ "Cases": [ "Join{DataScan(t)->DataScan(s)}(test.t.a,test.t.a)->Projection", "Join{DataScan(t)->Aggr(count(test.t.c),firstrow(test.t.a))->DataScan(s)}(test.t.a,test.t.a)->Projection->Projection", - "Join{DataScan(t)->Aggr(count(test.t.c),firstrow(test.t.a))->DataScan(s)}(test.t.a,test.t.a)->Aggr(firstrow(Column#13),count(test.t.b))->Projection->Projection", + "Join{DataScan(t)->Aggr(count(test.t.c),firstrow(test.t.a))->DataScan(s)}(test.t.a,test.t.a)->Aggr(firstrow(Column#25),count(test.t.b))->Projection->Projection", "Apply{DataScan(t)->DataScan(s)->Sel([eq(test.t.a, test.t.a)])->Aggr(count(test.t.b))}->Projection", "Join{DataScan(t)->DataScan(s)->Aggr(count(test.t.b),firstrow(test.t.a))}(test.t.a,test.t.a)->Projection->Projection->Projection", "Join{Join{DataScan(t1)->DataScan(t2)}->DataScan(s)->Aggr(count(test.t.b),firstrow(test.t.a))}(test.t.a,test.t.a)->Projection->Projection->Projection", @@ -661,7 +661,7 @@ "1": [ "test.t.a" ], - "3": [ + "2": [ "test.t.a", "test.t.b" ] @@ -676,7 +676,7 @@ "test.t.a", "test.t.b" ], - "3": [ + "2": [ "test.t.b" ] }, @@ -684,7 +684,7 @@ "1": [ "test.t.a" ], - "3": [ + "2": [ "test.t.b" ] }, diff --git a/planner/core/util.go b/planner/core/util.go index c2904236185ca..4815e7cee6b26 100644 --- a/planner/core/util.go +++ b/planner/core/util.go @@ -28,9 +28,11 @@ import ( ) // AggregateFuncExtractor visits Expr tree. -// It converts ColunmNameExpr to AggregateFuncExpr and collects AggregateFuncExpr. +// It collects AggregateFuncExpr from AST Node. type AggregateFuncExtractor struct { - inAggregateFuncExpr bool + // skipAggMap stores correlated aggregate functions which have been built in outer query, + // so extractor in sub-query will skip these aggregate functions. + skipAggMap map[*ast.AggregateFuncExpr]*expression.CorrelatedColumn // AggFuncs is the collected AggregateFuncExprs. AggFuncs []*ast.AggregateFuncExpr } @@ -38,8 +40,6 @@ type AggregateFuncExtractor struct { // Enter implements Visitor interface. func (a *AggregateFuncExtractor) Enter(n ast.Node) (ast.Node, bool) { switch n.(type) { - case *ast.AggregateFuncExpr: - a.inAggregateFuncExpr = true case *ast.SelectStmt, *ast.SetOprStmt: return n, true } @@ -50,8 +50,9 @@ func (a *AggregateFuncExtractor) Enter(n ast.Node) (ast.Node, bool) { func (a *AggregateFuncExtractor) Leave(n ast.Node) (ast.Node, bool) { switch v := n.(type) { case *ast.AggregateFuncExpr: - a.inAggregateFuncExpr = false - a.AggFuncs = append(a.AggFuncs, v) + if _, ok := a.skipAggMap[v]; !ok { + a.AggFuncs = append(a.AggFuncs, v) + } } return n, true } From 6e2bc8fe01f51c3df005b716e2e5496a2beb762f Mon Sep 17 00:00:00 2001 From: Arenatlx <314806019@qq.com> Date: Fri, 18 Dec 2020 15:29:50 +0800 Subject: [PATCH 0515/1021] ddl: filter the feature switches in show variables (#21873) --- executor/show.go | 6 ++++++ executor/show_test.go | 10 ++++++++++ sessionctx/variable/tidb_vars.go | 13 +++++++++++++ 3 files changed, 29 insertions(+) diff --git a/executor/show.go b/executor/show.go index d182c9ff31d60..6349ddf40b71c 100644 --- a/executor/show.go +++ b/executor/show.go @@ -660,6 +660,9 @@ func (e *ShowExec) fetchShowVariables() (err error) { // otherwise, fetch the value from table `mysql.Global_Variables`. for _, v := range variable.GetSysVars() { if v.Scope != variable.ScopeSession { + if variable.FilterImplicitFeatureSwitch(v) { + continue + } value, err = variable.GetGlobalSystemVar(sessionVars, v.Name) if err != nil { return errors.Trace(err) @@ -674,6 +677,9 @@ func (e *ShowExec) fetchShowVariables() (err error) { // If it is a session only variable, use the default value defined in code, // otherwise, fetch the value from table `mysql.Global_Variables`. for _, v := range variable.GetSysVars() { + if variable.FilterImplicitFeatureSwitch(v) { + continue + } value, err = variable.GetSessionSystemVar(sessionVars, v.Name) if err != nil { return errors.Trace(err) diff --git a/executor/show_test.go b/executor/show_test.go index 1c6aeb1fa1ab3..9536258d23be9 100644 --- a/executor/show_test.go +++ b/executor/show_test.go @@ -1173,6 +1173,9 @@ func (s *testSuite5) TestShowVar(c *C) { tk := testkit.NewTestKit(c, s.store) var showSQL string for _, v := range variable.GetSysVars() { + if variable.FilterImplicitFeatureSwitch(v) { + continue + } // When ScopeSession only. `show global variables` must return empty. if v.Scope == variable.ScopeSession { showSQL = "show variables like '" + v.Name + "'" @@ -1190,6 +1193,13 @@ func (s *testSuite5) TestShowVar(c *C) { c.Check(res.Rows(), HasLen, 1) } } + // Test for switch variable which shouldn't seen by users. + for _, one := range variable.FeatureSwitchVariables { + res := tk.MustQuery("show variables like '" + one + "'") + c.Check(res.Rows(), HasLen, 0) + res = tk.MustQuery("show global variables like '" + one + "'") + c.Check(res.Rows(), HasLen, 0) + } } func (s *testSuite5) TestIssue19507(c *C) { diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index d75bc93793a82..84216c32a913a 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -655,3 +655,16 @@ var ( DefExecutorConcurrency = 5 MemoryUsageAlarmRatio = atomic.NewFloat64(config.GetGlobalConfig().Performance.MemoryUsageAlarmRatio) ) + +// FeatureSwitchVariables is used to filter result of show variables, these switches should be turn blind to users. +var FeatureSwitchVariables = []string{TiDBEnableChangeColumnType, TiDBEnablePointGetCache, TiDBEnableAlterPlacement, TiDBEnableChangeMultiSchema} + +// FilterImplicitFeatureSwitch is used to filter result of show variables, these switches should be turn blind to users. +func FilterImplicitFeatureSwitch(sysVar *SysVar) bool { + for _, one := range FeatureSwitchVariables { + if one == sysVar.Name { + return true + } + } + return false +} From f6c8de385e2141cacabcf6bf24ce134ee795621b Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Fri, 18 Dec 2020 15:59:24 +0800 Subject: [PATCH 0516/1021] session: check character set value valid when set global variable (#21609) --- executor/set_test.go | 15 ++++++++++++++ sessionctx/variable/sysvar.go | 39 +++++++++++++++++++++++++++++------ 2 files changed, 48 insertions(+), 6 deletions(-) diff --git a/executor/set_test.go b/executor/set_test.go index f8c12775bf55d..e753c3c35ca53 100644 --- a/executor/set_test.go +++ b/executor/set_test.go @@ -487,6 +487,21 @@ func (s *testSerialSuite1) TestSetVar(c *C) { c.Assert(tk.ExecToErr("set tidb_general_log = abc"), NotNil) c.Assert(tk.ExecToErr("set tidb_general_log = 123"), NotNil) + tk.MustExec(`SET @@character_set_results = NULL;`) + tk.MustQuery(`select @@character_set_results;`).Check(testkit.Rows("")) + + varList := []string{"character_set_server", "character_set_client", "character_set_filesystem", "character_set_database"} + for _, v := range varList { + tk.MustGetErrCode(fmt.Sprintf("SET @@global.%s = @global_start_value;", v), mysql.ErrWrongValueForVar) + tk.MustGetErrCode(fmt.Sprintf("SET @@%s = @global_start_value;", v), mysql.ErrWrongValueForVar) + tk.MustGetErrCode(fmt.Sprintf("SET @@%s = NULL;", v), mysql.ErrWrongValueForVar) + tk.MustGetErrCode(fmt.Sprintf("SET @@%s = \"\";", v), mysql.ErrWrongValueForVar) + tk.MustGetErrMsg(fmt.Sprintf("SET @@%s = \"somecharset\";", v), "Unknown charset somecharset") + // we do not support set character_set_xxx or collation_xxx to a collation id. + tk.MustGetErrMsg(fmt.Sprintf("SET @@global.%s = 46;", v), "Unknown charset 46") + tk.MustGetErrMsg(fmt.Sprintf("SET @@%s = 46;", v), "Unknown charset 46") + } + tk.MustExec("SET SESSION tidb_enable_extended_stats = on") tk.MustQuery("select @@session.tidb_enable_extended_stats").Check(testkit.Rows("1")) tk.MustExec("SET SESSION tidb_enable_extended_stats = off") diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index ebaaa4632fb6b..eb671039293b4 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -24,6 +24,7 @@ import ( "github.com/cznic/mathutil" "github.com/pingcap/errors" + "github.com/pingcap/parser/charset" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" @@ -387,6 +388,17 @@ func int32ToBoolStr(i int32) string { return BoolOff } +func checkCharacterValid(normalizedValue string, argName string) (string, error) { + if normalizedValue == "" { + return normalizedValue, errors.Trace(ErrWrongValueForVar.GenWithStackByArgs(argName, "NULL")) + } + cht, _, err := charset.GetCharsetInfo(normalizedValue) + if err != nil { + return normalizedValue, errors.Trace(err) + } + return cht, nil +} + // we only support MySQL now var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: "gtid_mode", Value: BoolOff, Type: TypeBool}, @@ -582,7 +594,9 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: "timestamp", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: QueryCacheWlockInvalidate, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: "sql_buffer_result", Value: BoolOff, IsHintUpdatable: true}, - {Scope: ScopeGlobal | ScopeSession, Name: "character_set_filesystem", Value: "binary"}, + {Scope: ScopeGlobal | ScopeSession, Name: "character_set_filesystem", Value: "binary", Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + return checkCharacterValid(normalizedValue, "character_set_filesystem") + }}, {Scope: ScopeGlobal | ScopeSession, Name: CollationDatabase, Value: mysql.DefaultCollationName, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { if _, err := collate.GetCollationByName(normalizedValue); err != nil { return normalizedValue, errors.Trace(err) @@ -610,7 +624,9 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeNone, Name: "performance_schema_max_stage_classes", Value: "150"}, {Scope: ScopeGlobal, Name: "innodb_purge_batch_size", Value: "300"}, {Scope: ScopeNone, Name: "have_profiling", Value: "NO"}, - {Scope: ScopeGlobal | ScopeSession, Name: "character_set_client", Value: mysql.DefaultCharset}, + {Scope: ScopeGlobal | ScopeSession, Name: "character_set_client", Value: mysql.DefaultCharset, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + return checkCharacterValid(normalizedValue, "character_set_client") + }}, {Scope: ScopeGlobal, Name: InnodbBufferPoolDumpNow, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeGlobal, Name: RelayLogPurge, Value: BoolOn, Type: TypeBool}, {Scope: ScopeGlobal, Name: "ndb_distribution", Value: ""}, @@ -681,7 +697,12 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: BinlogDirectNonTransactionalUpdates, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal, Name: "innodb_change_buffering", Value: "all"}, {Scope: ScopeGlobal | ScopeSession, Name: SQLBigSelects, Value: BoolOn, Type: TypeBool, IsHintUpdatable: true}, - {Scope: ScopeGlobal | ScopeSession, Name: CharacterSetResults, Value: mysql.DefaultCharset}, + {Scope: ScopeGlobal | ScopeSession, Name: CharacterSetResults, Value: mysql.DefaultCharset, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + if normalizedValue == "" { + return normalizedValue, nil + } + return checkCharacterValid(normalizedValue, "") + }}, {Scope: ScopeGlobal, Name: "innodb_max_purge_lag_delay", Value: "0"}, {Scope: ScopeGlobal | ScopeSession, Name: "session_track_schema", Value: ""}, {Scope: ScopeGlobal, Name: "innodb_io_capacity_max", Value: "2000"}, @@ -811,7 +832,9 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: "max_points_in_geometry", Value: "65536", IsHintUpdatable: true}, {Scope: ScopeGlobal, Name: "innodb_stats_sample_pages", Value: "8"}, {Scope: ScopeGlobal | ScopeSession, Name: "profiling_history_size", Value: "15"}, - {Scope: ScopeGlobal | ScopeSession, Name: "character_set_database", Value: mysql.DefaultCharset}, + {Scope: ScopeGlobal | ScopeSession, Name: "character_set_database", Value: mysql.DefaultCharset, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + return checkCharacterValid(normalizedValue, "character_set_database") + }}, {Scope: ScopeNone, Name: "have_symlink", Value: "YES"}, {Scope: ScopeGlobal | ScopeSession, Name: "storage_engine", Value: "InnoDB"}, {Scope: ScopeGlobal | ScopeSession, Name: "sql_log_off", Value: "0"}, @@ -901,10 +924,14 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal, Name: Flush, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: "eq_range_index_dive_limit", Value: "200", IsHintUpdatable: true}, {Scope: ScopeNone, Name: "performance_schema_events_stages_history_size", Value: "10"}, - {Scope: ScopeGlobal | ScopeSession, Name: "character_set_connection", Value: mysql.DefaultCharset}, + {Scope: ScopeGlobal | ScopeSession, Name: "character_set_connection", Value: mysql.DefaultCharset, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + return checkCharacterValid(normalizedValue, "character_set_connection") + }}, {Scope: ScopeGlobal, Name: MyISAMUseMmap, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, {Scope: ScopeGlobal | ScopeSession, Name: "ndb_join_pushdown", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: CharacterSetServer, Value: mysql.DefaultCharset}, + {Scope: ScopeGlobal | ScopeSession, Name: CharacterSetServer, Value: mysql.DefaultCharset, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + return checkCharacterValid(normalizedValue, CharacterSetServer) + }}, {Scope: ScopeGlobal, Name: "validate_password_special_char_count", Value: "1"}, {Scope: ScopeNone, Name: "performance_schema_max_thread_instances", Value: "402"}, {Scope: ScopeGlobal | ScopeSession, Name: "ndbinfo_show_hidden", Value: ""}, From 503819bb4189b89e29afb5d0af42aece388bb0cd Mon Sep 17 00:00:00 2001 From: cfzjywxk Date: Fri, 18 Dec 2020 16:14:35 +0800 Subject: [PATCH 0517/1021] txn: change resolve cache logic (#21844) --- go.mod | 6 +-- go.sum | 14 ++--- store/mockstore/mocktikv/mock_tikv_test.go | 16 +++--- store/mockstore/mocktikv/mvcc.go | 2 +- store/mockstore/mocktikv/mvcc_leveldb.go | 22 ++++++-- store/mockstore/mocktikv/rpc.go | 2 +- store/tikv/2pc_test.go | 63 ++++++++++++++-------- store/tikv/async_commit_fail_test.go | 2 +- store/tikv/async_commit_test.go | 2 +- store/tikv/lock_resolver.go | 57 +++++++++++++++----- store/tikv/lock_test.go | 8 +-- 11 files changed, 128 insertions(+), 66 deletions(-) diff --git a/go.mod b/go.mod index 04f56a518597d..5d5735b782b12 100644 --- a/go.mod +++ b/go.mod @@ -32,7 +32,7 @@ require ( github.com/kr/text v0.2.0 // indirect github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7 github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef - github.com/ngaut/unistore v0.0.0-20201208082126-4766545aa5b5 + github.com/ngaut/unistore v0.0.0-20201217024625-f53801ce8d4f github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect github.com/opentracing/basictracer-go v1.0.0 github.com/opentracing/opentracing-go v1.1.0 @@ -45,7 +45,7 @@ require ( github.com/pingcap/failpoint v0.0.0-20200702092429-9f69995143ce github.com/pingcap/fn v0.0.0-20200306044125-d5540d389059 github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 - github.com/pingcap/kvproto v0.0.0-20201208043834-923c9609272c + github.com/pingcap/kvproto v0.0.0-20201215060142-f3dafca4c7fd github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 github.com/pingcap/parser v0.0.0-20201203152619-33293d112894 github.com/pingcap/sysutil v0.0.0-20201130064824-f0c8aa6a6966 @@ -82,7 +82,7 @@ require ( gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b // indirect gopkg.in/natefinch/lumberjack.v2 v2.0.0 gopkg.in/yaml.v2 v2.3.0 // indirect - honnef.co/go/tools v0.0.1-2020.1.6 // indirect + honnef.co/go/tools v0.1.0 // indirect modernc.org/mathutil v1.1.1 // indirect sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0 sourcegraph.com/sourcegraph/appdash-data v0.0.0-20151005221446-73f23eafcf67 diff --git a/go.sum b/go.sum index 21c8a54bfd078..960ac4fbd8bae 100644 --- a/go.sum +++ b/go.sum @@ -590,8 +590,8 @@ github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7 h1:7KAv7KMGTTqSmYZtNdc github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7/go.mod h1:iWMfgwqYW+e8n5lC/jjNEhwcjbRDpl5NT7n2h+4UNcI= github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef h1:K0Fn+DoFqNqktdZtdV3bPQ/0cuYh2H4rkg0tytX/07k= github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef/go.mod h1:7WjlapSfwQyo6LNmIvEWzsW1hbBQfpUO4JWnuQRmva8= -github.com/ngaut/unistore v0.0.0-20201208082126-4766545aa5b5 h1:inEktZjWoqSSRB8P6Zkj8cgwnbaAiSObeisgr/36L8U= -github.com/ngaut/unistore v0.0.0-20201208082126-4766545aa5b5/go.mod h1:ZR3NH+HzqfiYetwdoAivApnIy8iefPZHTMLfrFNm8g4= +github.com/ngaut/unistore v0.0.0-20201217024625-f53801ce8d4f h1:U3HZchmjtkfNbPgphbgB7wEiYRzllX85J70J2MoMyFo= +github.com/ngaut/unistore v0.0.0-20201217024625-f53801ce8d4f/go.mod h1:ZR3NH+HzqfiYetwdoAivApnIy8iefPZHTMLfrFNm8g4= github.com/nicksnyder/go-i18n v1.10.0/go.mod h1:HrK7VCrbOvQoUAQ7Vpy7i87N7JZZZ7R2xBGjv0j365Q= github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs= github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno= @@ -681,8 +681,8 @@ github.com/pingcap/kvproto v0.0.0-20200417092353-efbe03bcffbd/go.mod h1:IOdRDPLy github.com/pingcap/kvproto v0.0.0-20200420075417-e0c6e8842f22/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/kvproto v0.0.0-20200810113304-6157337686b1/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/kvproto v0.0.0-20201113092725-08f2872278eb/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= -github.com/pingcap/kvproto v0.0.0-20201208043834-923c9609272c h1:RbI6VpxZjaVVkeuxzEKCxw20+FWtXiIhgM+mvzhTc8I= -github.com/pingcap/kvproto v0.0.0-20201208043834-923c9609272c/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= +github.com/pingcap/kvproto v0.0.0-20201215060142-f3dafca4c7fd h1:/F/tTc0987bAsSJ2i9EGPRWGP85Dz5ldLlCklgbRZr4= +github.com/pingcap/kvproto v0.0.0-20201215060142-f3dafca4c7fd/go.mod h1:IOdRDPLyda8GX2hE/jO7gqaCV/PNFh8BZQCQZXfIOqI= github.com/pingcap/log v0.0.0-20191012051959-b742a5d432e9/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200117041106-d28c14d3b1cd/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/log v0.0.0-20200511115504-543df19646ad/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= @@ -1204,9 +1204,9 @@ golang.org/x/tools v0.0.0-20200224181240-023911ca70b2/go.mod h1:TB2adYChydJhpapK golang.org/x/tools v0.0.0-20200225230052-807dcd883420/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28= golang.org/x/tools v0.0.0-20200325010219-a49f79bcc224/go.mod h1:Sl4aGygMT6LrqrWclx+PTx3U+LnKx/seiNR+3G19Ar8= golang.org/x/tools v0.0.0-20200325203130-f53864d0dba1/go.mod h1:Sl4aGygMT6LrqrWclx+PTx3U+LnKx/seiNR+3G19Ar8= -golang.org/x/tools v0.0.0-20200410194907-79a7a3126eef/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/tools v0.0.0-20200422205258-72e4a01eba43/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/tools v0.0.0-20200527183253-8e7acdbce89d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= +golang.org/x/tools v0.0.0-20200609164405-eb789aa7ce50/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/tools v0.0.0-20200820010801-b793a1359eac h1:DugppSxw0LSF8lcjaODPJZoDzq0ElTGskTst3ZaBkHI= golang.org/x/tools v0.0.0-20200820010801-b793a1359eac/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= @@ -1332,8 +1332,8 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k= honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k= -honnef.co/go/tools v0.0.1-2020.1.6 h1:W18jzjh8mfPez+AwGLxmOImucz/IFjpNlrKVnaj2YVc= -honnef.co/go/tools v0.0.1-2020.1.6/go.mod h1:pyyisuGw24ruLjrr1ddx39WE0y9OooInRzEYLhQB2YY= +honnef.co/go/tools v0.1.0 h1:AWNL1W1i7f0wNZ8VwOKNJ0sliKvOF/adn0EHenfUh+c= +honnef.co/go/tools v0.1.0/go.mod h1:XtegFAyX/PfluP4921rXU5IkjkqBCDnUq4W8VCIoKvM= k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I= modernc.org/b v1.0.0/go.mod h1:uZWcZfRj1BpYzfN9JTerzlNUnnPsV9O2ZA8JsRcubNg= modernc.org/db v1.0.0/go.mod h1:kYD/cO29L/29RM0hXYl4i3+Q5VojL31kTUVpVJDw0s8= diff --git a/store/mockstore/mocktikv/mock_tikv_test.go b/store/mockstore/mocktikv/mock_tikv_test.go index 5444c8ddcc828..7ddcf8f360cb3 100644 --- a/store/mockstore/mocktikv/mock_tikv_test.go +++ b/store/mockstore/mocktikv/mock_tikv_test.go @@ -689,21 +689,21 @@ func (s *testMVCCLevelDB) TestCheckTxnStatus(c *C) { startTS := uint64(5 << 18) s.mustPrewriteWithTTLOK(c, putMutations("pk", "val"), "pk", startTS, 666) - ttl, commitTS, action, err := s.store.CheckTxnStatus([]byte("pk"), startTS, startTS+100, 666, false) + ttl, commitTS, action, err := s.store.CheckTxnStatus([]byte("pk"), startTS, startTS+100, 666, false, false) c.Assert(err, IsNil) c.Assert(ttl, Equals, uint64(666)) c.Assert(commitTS, Equals, uint64(0)) c.Assert(action, Equals, kvrpcpb.Action_MinCommitTSPushed) // MaxUint64 as callerStartTS shouldn't update minCommitTS but return Action_MinCommitTSPushed. - ttl, commitTS, action, err = s.store.CheckTxnStatus([]byte("pk"), startTS, math.MaxUint64, 666, false) + ttl, commitTS, action, err = s.store.CheckTxnStatus([]byte("pk"), startTS, math.MaxUint64, 666, false, false) c.Assert(err, IsNil) c.Assert(ttl, Equals, uint64(666)) c.Assert(commitTS, Equals, uint64(0)) c.Assert(action, Equals, kvrpcpb.Action_MinCommitTSPushed) s.mustCommitOK(c, [][]byte{[]byte("pk")}, startTS, startTS+101) - ttl, commitTS, _, err = s.store.CheckTxnStatus([]byte("pk"), startTS, 0, 666, false) + ttl, commitTS, _, err = s.store.CheckTxnStatus([]byte("pk"), startTS, 0, 666, false, false) c.Assert(err, IsNil) c.Assert(ttl, Equals, uint64(0)) c.Assert(commitTS, Equals, startTS+101) @@ -711,7 +711,7 @@ func (s *testMVCCLevelDB) TestCheckTxnStatus(c *C) { s.mustPrewriteWithTTLOK(c, putMutations("pk1", "val"), "pk1", startTS, 666) s.mustRollbackOK(c, [][]byte{[]byte("pk1")}, startTS) - ttl, commitTS, action, err = s.store.CheckTxnStatus([]byte("pk1"), startTS, 0, 666, false) + ttl, commitTS, action, err = s.store.CheckTxnStatus([]byte("pk1"), startTS, 0, 666, false, false) c.Assert(err, IsNil) c.Assert(ttl, Equals, uint64(0)) c.Assert(commitTS, Equals, uint64(0)) @@ -719,21 +719,21 @@ func (s *testMVCCLevelDB) TestCheckTxnStatus(c *C) { s.mustPrewriteWithTTLOK(c, putMutations("pk2", "val"), "pk2", startTS, 666) currentTS := uint64(777 << 18) - ttl, commitTS, action, err = s.store.CheckTxnStatus([]byte("pk2"), startTS, 0, currentTS, false) + ttl, commitTS, action, err = s.store.CheckTxnStatus([]byte("pk2"), startTS, 0, currentTS, false, false) c.Assert(err, IsNil) c.Assert(ttl, Equals, uint64(0)) c.Assert(commitTS, Equals, uint64(0)) c.Assert(action, Equals, kvrpcpb.Action_TTLExpireRollback) // Cover the TxnNotFound case. - _, _, _, err = s.store.CheckTxnStatus([]byte("txnNotFound"), 5, 0, 666, false) + _, _, _, err = s.store.CheckTxnStatus([]byte("txnNotFound"), 5, 0, 666, false, false) c.Assert(err, NotNil) notFound, ok := errors.Cause(err).(*ErrTxnNotFound) c.Assert(ok, IsTrue) c.Assert(notFound.StartTs, Equals, uint64(5)) c.Assert(string(notFound.PrimaryKey), Equals, "txnNotFound") - ttl, commitTS, action, err = s.store.CheckTxnStatus([]byte("txnNotFound"), 5, 0, 666, true) + ttl, commitTS, action, err = s.store.CheckTxnStatus([]byte("txnNotFound"), 5, 0, 666, true, false) c.Assert(err, IsNil) c.Assert(ttl, Equals, uint64(0)) c.Assert(commitTS, Equals, uint64(0)) @@ -753,7 +753,7 @@ func (s *testMVCCLevelDB) TestCheckTxnStatus(c *C) { func (s *testMVCCLevelDB) TestRejectCommitTS(c *C) { s.mustPrewriteOK(c, putMutations("x", "A"), "x", 5) // Push the minCommitTS - _, _, _, err := s.store.CheckTxnStatus([]byte("x"), 5, 100, 100, false) + _, _, _, err := s.store.CheckTxnStatus([]byte("x"), 5, 100, 100, false, false) c.Assert(err, IsNil) err = s.store.Commit([][]byte{[]byte("x")}, 5, 10) e, ok := errors.Cause(err).(*ErrCommitTSExpired) diff --git a/store/mockstore/mocktikv/mvcc.go b/store/mockstore/mocktikv/mvcc.go index c02c3d718349e..b5ebf92e98ed3 100644 --- a/store/mockstore/mocktikv/mvcc.go +++ b/store/mockstore/mocktikv/mvcc.go @@ -269,7 +269,7 @@ type MVCCStore interface { BatchResolveLock(startKey, endKey []byte, txnInfos map[uint64]uint64) error GC(startKey, endKey []byte, safePoint uint64) error DeleteRange(startKey, endKey []byte) error - CheckTxnStatus(primaryKey []byte, lockTS uint64, startTS, currentTS uint64, rollbackIfNotFound bool) (uint64, uint64, kvrpcpb.Action, error) + CheckTxnStatus(primaryKey []byte, lockTS uint64, startTS, currentTS uint64, rollbackIfNotFound bool, resolvingPessimisticLock bool) (uint64, uint64, kvrpcpb.Action, error) Close() error } diff --git a/store/mockstore/mocktikv/mvcc_leveldb.go b/store/mockstore/mocktikv/mvcc_leveldb.go index e1f191009f806..57327deac8045 100644 --- a/store/mockstore/mocktikv/mvcc_leveldb.go +++ b/store/mockstore/mocktikv/mvcc_leveldb.go @@ -1122,7 +1122,7 @@ func (mvcc *MVCCLevelDB) Cleanup(key []byte, startTS, currentTS uint64) error { // callerStartTS is the start ts of reader transaction. // currentTS is the current ts, but it may be inaccurate. Just use it to check TTL. func (mvcc *MVCCLevelDB) CheckTxnStatus(primaryKey []byte, lockTS, callerStartTS, currentTS uint64, - rollbackIfNotExist bool) (ttl uint64, commitTS uint64, action kvrpcpb.Action, err error) { + rollbackIfNotExist bool, resolvingPessimisticLock bool) (ttl uint64, commitTS uint64, action kvrpcpb.Action, err error) { mvcc.mu.Lock() defer mvcc.mu.Unlock() @@ -1151,15 +1151,24 @@ func (mvcc *MVCCLevelDB) CheckTxnStatus(primaryKey []byte, lockTS, callerStartTS // If the lock has already outdated, clean up it. if uint64(oracle.ExtractPhysical(lock.startTS))+lock.ttl < uint64(oracle.ExtractPhysical(currentTS)) { - if err = rollbackLock(batch, primaryKey, lockTS); err != nil { - err = errors.Trace(err) - return + if resolvingPessimisticLock && lock.op == kvrpcpb.Op_PessimisticLock { + action = kvrpcpb.Action_TTLExpirePessimisticRollback + if err = pessimisticRollbackKey(mvcc.db, batch, primaryKey, lock.startTS, lock.forUpdateTS); err != nil { + err = errors.Trace(err) + return + } + } else { + action = kvrpcpb.Action_TTLExpireRollback + if err = rollbackLock(batch, primaryKey, lockTS); err != nil { + err = errors.Trace(err) + return + } } if err = mvcc.db.Write(batch, nil); err != nil { err = errors.Trace(err) return } - return 0, 0, kvrpcpb.Action_TTLExpireRollback, nil + return 0, 0, action, nil } // If the caller_start_ts is MaxUint64, it's a point get in the autocommit transaction. @@ -1225,6 +1234,9 @@ func (mvcc *MVCCLevelDB) CheckTxnStatus(primaryKey []byte, lockTS, callerStartTS // written before the primary lock. if rollbackIfNotExist { + if resolvingPessimisticLock { + return 0, 0, kvrpcpb.Action_LockNotExistDoNothing, nil + } // Write rollback record, but not delete the lock on the primary key. There may exist lock which has // different lock.startTS with input lockTS, for example the primary key could be already // locked by the caller transaction, deleting this key will mistakenly delete the lock on diff --git a/store/mockstore/mocktikv/rpc.go b/store/mockstore/mocktikv/rpc.go index 8bd3aa6c3ae20..7986881e61839 100644 --- a/store/mockstore/mocktikv/rpc.go +++ b/store/mockstore/mocktikv/rpc.go @@ -396,7 +396,7 @@ func (h *rpcHandler) handleKvCheckTxnStatus(req *kvrpcpb.CheckTxnStatusRequest) panic("KvCheckTxnStatus: key not in region") } var resp kvrpcpb.CheckTxnStatusResponse - ttl, commitTS, action, err := h.mvccStore.CheckTxnStatus(req.GetPrimaryKey(), req.GetLockTs(), req.GetCallerStartTs(), req.GetCurrentTs(), req.GetRollbackIfNotExist()) + ttl, commitTS, action, err := h.mvccStore.CheckTxnStatus(req.GetPrimaryKey(), req.GetLockTs(), req.GetCallerStartTs(), req.GetCurrentTs(), req.GetRollbackIfNotExist(), req.ResolvingPessimisticLock) if err != nil { resp.Error = convertToKeyError(err) } else { diff --git a/store/tikv/2pc_test.go b/store/tikv/2pc_test.go index 69ca6bcb63338..bbb2ed7a58fcc 100644 --- a/store/tikv/2pc_test.go +++ b/store/tikv/2pc_test.go @@ -31,6 +31,7 @@ import ( pb "github.com/pingcap/kvproto/pkg/kvrpcpb" "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/store/mockstore/cluster" "github.com/pingcap/tidb/store/mockstore/mocktikv" "github.com/pingcap/tidb/store/tikv/oracle" @@ -691,7 +692,7 @@ func (s *testCommitterSuite) TestPessimisticTTL(c *C) { lr := newLockResolver(s.store) bo := NewBackofferWithVars(context.Background(), getMaxBackoff, nil) - status, err := lr.getTxnStatus(bo, txn.startTS, key2, 0, txn.startTS, true, false) + status, err := lr.getTxnStatus(bo, txn.startTS, key2, 0, txn.startTS, true, false, nil) c.Assert(err, IsNil) c.Assert(status.ttl, GreaterEqual, lockInfo.LockTtl) @@ -924,38 +925,55 @@ func (s *testCommitterSuite) getLockInfo(c *C, key []byte) *kvrpcpb.LockInfo { func (s *testCommitterSuite) TestPkNotFound(c *C) { atomic.StoreUint64(&ManagedLockTTL, 100) // 100ms defer atomic.StoreUint64(&ManagedLockTTL, 3000) // restore default value - // k1 is the primary lock of txn1 + ctx := context.Background() + // k1 is the primary lock of txn1. k1 := kv.Key("k1") - // k2 is a secondary lock of txn1 and a key txn2 wants to lock + // k2 is a secondary lock of txn1 and a key txn2 wants to lock. k2 := kv.Key("k2") k3 := kv.Key("k3") txn1 := s.begin(c) txn1.SetOption(kv.Pessimistic, true) - // lock the primary key + // lock the primary key. lockCtx := &kv.LockCtx{ForUpdateTS: txn1.startTS, WaitStartTime: time.Now()} - err := txn1.LockKeys(context.Background(), lockCtx, k1) + err := txn1.LockKeys(ctx, lockCtx, k1) c.Assert(err, IsNil) - // lock the secondary key + // lock the secondary key. lockCtx = &kv.LockCtx{ForUpdateTS: txn1.startTS, WaitStartTime: time.Now()} - err = txn1.LockKeys(context.Background(), lockCtx, k2) + err = txn1.LockKeys(ctx, lockCtx, k2, k3) c.Assert(err, IsNil) - // Stop txn ttl manager and remove primary key, like tidb server crashes and the priamry key lock does not exists actually, - // while the secondary lock operation succeeded - bo := NewBackofferWithVars(context.Background(), pessimisticLockMaxBackoff, nil) + // while the secondary lock operation succeeded. txn1.committer.ttlManager.close() - err = txn1.committer.pessimisticRollbackMutations(bo, &PlainMutations{keys: [][]byte{k1}}) + + var status TxnStatus + bo := NewBackofferWithVars(ctx, pessimisticLockMaxBackoff, nil) + lockKey2 := &Lock{ + Key: k2, + Primary: k1, + TxnID: txn1.startTS, + TTL: 0, // let the primary lock k1 expire doing check. + TxnSize: txnCommitBatchSize, + LockType: kvrpcpb.Op_PessimisticLock, + LockForUpdateTS: txn1.startTS, + } + status, err = s.store.lockResolver.getTxnStatusFromLock(bo, lockKey2, variable.GoTimeToTS(time.Now().Add(200*time.Millisecond)), false) c.Assert(err, IsNil) + c.Assert(status.Action(), Equals, kvrpcpb.Action_TTLExpirePessimisticRollback) - // Txn2 tries to lock the secondary key k2, dead loop if the left secondary lock by txn1 not resolved + // Txn2 tries to lock the secondary key k2, there should be no dead loop. + // Since the resolving key k2 is a pessimistic lock, no rollback record should be written, and later lock + // and the other secondary key k3 should succeed if there is no fail point enabled. + status, err = s.store.lockResolver.getTxnStatusFromLock(bo, lockKey2, variable.GoTimeToTS(time.Now().Add(200*time.Millisecond)), false) + c.Assert(err, IsNil) + c.Assert(status.Action(), Equals, kvrpcpb.Action_LockNotExistDoNothing) txn2 := s.begin(c) txn2.SetOption(kv.Pessimistic, true) lockCtx = &kv.LockCtx{ForUpdateTS: txn2.startTS, WaitStartTime: time.Now()} - err = txn2.LockKeys(context.Background(), lockCtx, k2) + err = txn2.LockKeys(ctx, lockCtx, k2) c.Assert(err, IsNil) - // Using smaller forUpdateTS cannot rollback this lock, other lock will fail + // Pessimistic rollback using smaller forUpdateTS does not take effect. lockKey3 := &Lock{ Key: k3, Primary: k1, @@ -968,17 +986,20 @@ func (s *testCommitterSuite) TestPkNotFound(c *C) { cleanTxns := make(map[RegionVerID]struct{}) err = s.store.lockResolver.resolvePessimisticLock(bo, lockKey3, cleanTxns) c.Assert(err, IsNil) - lockCtx = &kv.LockCtx{ForUpdateTS: txn1.startTS, WaitStartTime: time.Now()} - err = txn1.LockKeys(context.Background(), lockCtx, k3) + err = txn1.LockKeys(ctx, lockCtx, k3) c.Assert(err, IsNil) + + // After disable fail point, the rollbackIfNotExist flag will be set, and the resolve should succeed. In this + // case, the returned action of TxnStatus should be LockNotExistDoNothing, and lock on k3 could be resolved. txn3 := s.begin(c) txn3.SetOption(kv.Pessimistic, true) - lockCtx = &kv.LockCtx{ForUpdateTS: txn1.startTS - 1, WaitStartTime: time.Now(), LockWaitTime: kv.LockNoWait} - c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/txnNotFoundRetTTL", "return"), IsNil) - err = txn3.LockKeys(context.Background(), lockCtx, k3) - c.Assert(err.Error(), Equals, ErrLockAcquireFailAndNoWaitSet.Error()) - c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/txnNotFoundRetTTL"), IsNil) + lockCtx = &kv.LockCtx{ForUpdateTS: txn3.startTS, WaitStartTime: time.Now(), LockWaitTime: kv.LockNoWait} + err = txn3.LockKeys(ctx, lockCtx, k3) + c.Assert(err, IsNil) + status, err = s.store.lockResolver.getTxnStatusFromLock(bo, lockKey3, variable.GoTimeToTS(time.Now().Add(200*time.Millisecond)), false) + c.Assert(err, IsNil) + c.Assert(status.Action(), Equals, kvrpcpb.Action_LockNotExistDoNothing) } func (s *testCommitterSuite) TestPessimisticLockPrimary(c *C) { diff --git a/store/tikv/async_commit_fail_test.go b/store/tikv/async_commit_fail_test.go index da2e4757ae32d..7145ec8a7ebd4 100644 --- a/store/tikv/async_commit_fail_test.go +++ b/store/tikv/async_commit_fail_test.go @@ -179,7 +179,7 @@ func (s *testAsyncCommitFailSuite) TestSecondaryListInPrimaryLock(c *C) { primary := txn.committer.primary() bo := NewBackofferWithVars(context.Background(), 5000, nil) - txnStatus, err := s.store.lockResolver.getTxnStatus(bo, txn.StartTS(), primary, 0, 0, false, false) + txnStatus, err := s.store.lockResolver.getTxnStatus(bo, txn.StartTS(), primary, 0, 0, false, false, nil) c.Assert(err, IsNil) c.Assert(txnStatus.IsCommitted(), IsFalse) c.Assert(txnStatus.action, Equals, kvrpcpb.Action_NoAction) diff --git a/store/tikv/async_commit_test.go b/store/tikv/async_commit_test.go index 7d7607a2f5cd2..fec30f72ab93c 100644 --- a/store/tikv/async_commit_test.go +++ b/store/tikv/async_commit_test.go @@ -208,7 +208,7 @@ func (s *testAsyncCommitSuite) TestCheckSecondaries(c *C) { c.Assert(err, IsNil) currentTS, err := s.store.oracle.GetTimestamp(context.Background(), &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) - status, err = s.store.lockResolver.getTxnStatus(s.bo, lock.TxnID, []byte("z"), currentTS, currentTS, true, false) + status, err = s.store.lockResolver.getTxnStatus(s.bo, lock.TxnID, []byte("z"), currentTS, currentTS, true, false, nil) c.Assert(err, IsNil) c.Assert(status.IsCommitted(), IsTrue) c.Assert(status.CommitTS(), Equals, ts) diff --git a/store/tikv/lock_resolver.go b/store/tikv/lock_resolver.go index 33f69c09b0018..255d7b1a656bc 100644 --- a/store/tikv/lock_resolver.go +++ b/store/tikv/lock_resolver.go @@ -137,6 +137,30 @@ func (s TxnStatus) TTL() uint64 { return s.ttl } // Action returns what the CheckTxnStatus request have done to the transaction. func (s TxnStatus) Action() kvrpcpb.Action { return s.action } +// StatusCacheable checks whether the transaction status is certain.True will be +// returned if its status is certain: +// If transaction is already committed, the result could be cached. +// Otherwise: +// If l.LockType is pessimistic lock type: +// - if its primary lock is pessimistic too, the check txn status result should not be cached. +// - if its primary lock is prewrite lock type, the check txn status could be cached. +// If l.lockType is prewrite lock type: +// - always cache the check txn status result. +// For prewrite locks, their primary keys should ALWAYS be the correct one and will NOT change. +func (s TxnStatus) StatusCacheable() bool { + if s.IsCommitted() { + return true + } + if s.ttl == 0 { + if s.action == kvrpcpb.Action_NoAction || + s.action == kvrpcpb.Action_LockNotExistRollback || + s.action == kvrpcpb.Action_TTLExpireRollback { + return true + } + } + return false +} + // By default, locks after 3000ms is considered unusual (the client created the // lock might be dead). Other client may cleanup this kind of lock. // For locks created recently, we will do backoff and retry. @@ -233,7 +257,7 @@ func (lr *LockResolver) BatchResolveLocks(bo *Backoffer, locks []*Lock, loc Regi tikvLockResolverCountWithExpired.Inc() // Use currentTS = math.MaxUint64 means rollback the txn, no matter the lock is expired or not! - status, err := lr.getTxnStatus(bo, l.TxnID, l.Primary, callerStartTS, math.MaxUint64, true, false) + status, err := lr.getTxnStatus(bo, l.TxnID, l.Primary, callerStartTS, math.MaxUint64, true, false, l) if err != nil { return false, err } @@ -247,7 +271,7 @@ func (lr *LockResolver) BatchResolveLocks(bo *Backoffer, locks []*Lock, loc Regi continue } if _, ok := errors.Cause(err).(*nonAsyncCommitLock); ok { - status, err = lr.getTxnStatus(bo, l.TxnID, l.Primary, callerStartTS, math.MaxUint64, true, true) + status, err = lr.getTxnStatus(bo, l.TxnID, l.Primary, callerStartTS, math.MaxUint64, true, true, l) if err != nil { return false, err } @@ -468,7 +492,7 @@ func (lr *LockResolver) GetTxnStatus(txnID uint64, callerStartTS uint64, primary if err != nil { return status, err } - return lr.getTxnStatus(bo, txnID, primary, callerStartTS, currentTS, true, false) + return lr.getTxnStatus(bo, txnID, primary, callerStartTS, currentTS, true, false, nil) } func (lr *LockResolver) getTxnStatusFromLock(bo *Backoffer, l *Lock, callerStartTS uint64, forceSyncCommit bool) (TxnStatus, error) { @@ -498,7 +522,7 @@ func (lr *LockResolver) getTxnStatusFromLock(bo *Backoffer, l *Lock, callerStart time.Sleep(100 * time.Millisecond) }) for { - status, err = lr.getTxnStatus(bo, l.TxnID, l.Primary, callerStartTS, currentTS, rollbackIfNotExist, forceSyncCommit) + status, err = lr.getTxnStatus(bo, l.TxnID, l.Primary, callerStartTS, currentTS, rollbackIfNotExist, forceSyncCommit, l) if err == nil { return status, nil } @@ -526,11 +550,12 @@ func (lr *LockResolver) getTxnStatusFromLock(bo *Backoffer, l *Lock, callerStart zap.Stringer("lock str", l)) if l.LockType == kvrpcpb.Op_PessimisticLock { failpoint.Inject("txnExpireRetTTL", func() { - failpoint.Return(TxnStatus{ttl: l.TTL, action: kvrpcpb.Action_NoAction}, + failpoint.Return(TxnStatus{action: kvrpcpb.Action_LockNotExistDoNothing}, errors.New("error txn not found and lock expired")) }) - return TxnStatus{}, nil } + // For pessimistic lock resolving, if the primary lock dose not exist and rollbackIfNotExist is true, + // The Action_LockNotExistDoNothing will be returned as the status. rollbackIfNotExist = true } else { if l.LockType == kvrpcpb.Op_PessimisticLock { @@ -551,7 +576,7 @@ func (e txnNotFoundErr) Error() string { // getTxnStatus sends the CheckTxnStatus request to the TiKV server. // When rollbackIfNotExist is false, the caller should be careful with the txnNotFoundErr error. func (lr *LockResolver) getTxnStatus(bo *Backoffer, txnID uint64, primary []byte, - callerStartTS, currentTS uint64, rollbackIfNotExist bool, forceSyncCommit bool) (TxnStatus, error) { + callerStartTS, currentTS uint64, rollbackIfNotExist bool, forceSyncCommit bool, lockInfo *Lock) (TxnStatus, error) { if s, ok := lr.getResolved(txnID); ok { return s, nil } @@ -568,13 +593,15 @@ func (lr *LockResolver) getTxnStatus(bo *Backoffer, txnID uint64, primary []byte // 2.3 No lock -- pessimistic lock rollback, concurrence prewrite. var status TxnStatus + resolvingPessimisticLock := lockInfo != nil && lockInfo.LockType == kvrpcpb.Op_PessimisticLock req := tikvrpc.NewRequest(tikvrpc.CmdCheckTxnStatus, &kvrpcpb.CheckTxnStatusRequest{ - PrimaryKey: primary, - LockTs: txnID, - CallerStartTs: callerStartTS, - CurrentTs: currentTS, - RollbackIfNotExist: rollbackIfNotExist, - ForceSyncCommit: forceSyncCommit, + PrimaryKey: primary, + LockTs: txnID, + CallerStartTs: callerStartTS, + CurrentTs: currentTS, + RollbackIfNotExist: rollbackIfNotExist, + ForceSyncCommit: forceSyncCommit, + ResolvingPessimisticLock: resolvingPessimisticLock, }) for { loc, err := lr.store.GetRegionCache().LocateKey(bo, primary) @@ -627,7 +654,9 @@ func (lr *LockResolver) getTxnStatus(bo *Backoffer, txnID uint64, primary []byte } status.commitTS = cmdResp.CommitVersion - lr.saveResolved(txnID, status) + if status.StatusCacheable() { + lr.saveResolved(txnID, status) + } } return status, nil diff --git a/store/tikv/lock_test.go b/store/tikv/lock_test.go index 2be3dfac5b823..cfaa57e33218f 100644 --- a/store/tikv/lock_test.go +++ b/store/tikv/lock_test.go @@ -288,7 +288,7 @@ func (s *testLockSuite) TestCheckTxnStatus(c *C) { bo := NewBackofferWithVars(context.Background(), PrewriteMaxBackoff, nil) resolver := newLockResolver(s.store) // Call getTxnStatus to check the lock status. - status, err := resolver.getTxnStatus(bo, txn.StartTS(), []byte("key"), currentTS, currentTS, true, false) + status, err := resolver.getTxnStatus(bo, txn.StartTS(), []byte("key"), currentTS, currentTS, true, false, nil) c.Assert(err, IsNil) c.Assert(status.IsCommitted(), IsFalse) c.Assert(status.ttl, Greater, uint64(0)) @@ -310,7 +310,7 @@ func (s *testLockSuite) TestCheckTxnStatus(c *C) { // Then call getTxnStatus again and check the lock status. currentTS, err = o.GetTimestamp(context.Background(), &oracle.Option{TxnScope: oracle.GlobalTxnScope}) c.Assert(err, IsNil) - status, err = newLockResolver(s.store).getTxnStatus(bo, txn.StartTS(), []byte("key"), currentTS, 0, true, false) + status, err = newLockResolver(s.store).getTxnStatus(bo, txn.StartTS(), []byte("key"), currentTS, 0, true, false, nil) c.Assert(err, IsNil) c.Assert(status.ttl, Equals, uint64(0)) c.Assert(status.commitTS, Equals, uint64(0)) @@ -318,7 +318,7 @@ func (s *testLockSuite) TestCheckTxnStatus(c *C) { // Call getTxnStatus on a committed transaction. startTS, commitTS := s.putKV(c, []byte("a"), []byte("a")) - status, err = newLockResolver(s.store).getTxnStatus(bo, startTS, []byte("a"), currentTS, currentTS, true, false) + status, err = newLockResolver(s.store).getTxnStatus(bo, startTS, []byte("a"), currentTS, currentTS, true, false, nil) c.Assert(err, IsNil) c.Assert(status.ttl, Equals, uint64(0)) c.Assert(status.commitTS, Equals, commitTS) @@ -346,7 +346,7 @@ func (s *testLockSuite) TestCheckTxnStatusNoWait(c *C) { resolver := newLockResolver(s.store) // Call getTxnStatus for the TxnNotFound case. - _, err = resolver.getTxnStatus(bo, txn.StartTS(), []byte("key"), currentTS, currentTS, false, false) + _, err = resolver.getTxnStatus(bo, txn.StartTS(), []byte("key"), currentTS, currentTS, false, false, nil) c.Assert(err, NotNil) _, ok := errors.Cause(err).(txnNotFoundErr) c.Assert(ok, IsTrue) From e9b11b72a37ae747b259e6b963405ad70c645818 Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Fri, 18 Dec 2020 16:29:35 +0800 Subject: [PATCH 0518/1021] util: fix bad number error with DISTINCT when dividing long decimals (#21783) --- executor/executor_test.go | 5 +++++ util/codec/decimal.go | 4 ++++ 2 files changed, 9 insertions(+) diff --git a/executor/executor_test.go b/executor/executor_test.go index 44c6541cb2e4f..d6df3e1c53ace 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -7267,3 +7267,8 @@ func (s *testSuite) Test12201(c *C) { tk.MustQuery("select * from e where case e when 1 then e end").Check(testkit.Rows("a")) tk.MustQuery("select * from e where case 1 when e then e end").Check(testkit.Rows("a")) } + +func (s *testSuite) TestIssue15563(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustQuery("select distinct 0.7544678906163867 / 0.68234634;").Check(testkit.Rows("1.10569639842486251190")) +} diff --git a/util/codec/decimal.go b/util/codec/decimal.go index 54e649007b3e0..92cdb04f2f662 100644 --- a/util/codec/decimal.go +++ b/util/codec/decimal.go @@ -16,6 +16,7 @@ package codec import ( "github.com/pingcap/errors" "github.com/pingcap/failpoint" + "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/types" ) @@ -24,6 +25,9 @@ func EncodeDecimal(b []byte, dec *types.MyDecimal, precision, frac int) ([]byte, if precision == 0 { precision, frac = dec.PrecisionAndFrac() } + if frac > mysql.MaxDecimalScale { + frac = mysql.MaxDecimalScale + } b = append(b, byte(precision), byte(frac)) b, err := dec.WriteBin(precision, frac, b) return b, errors.Trace(err) From b232a23e7ad3122348bcee1d7f354cf3793a61e4 Mon Sep 17 00:00:00 2001 From: Ling Jin Date: Fri, 18 Dec 2020 17:19:30 +0800 Subject: [PATCH 0519/1021] expression, types: fix datetime and year comparison error (#20233) --- expression/builtin_cast.go | 8 +++++++- expression/builtin_cast_vec.go | 10 +++++++++- expression/builtin_compare.go | 3 +++ expression/integration_test.go | 35 ++++++++++++++++++++++++++++++++++ types/time.go | 11 +++++++++++ 5 files changed, 65 insertions(+), 2 deletions(-) diff --git a/expression/builtin_cast.go b/expression/builtin_cast.go index 4185717ee9dbe..9f55331f2fd46 100644 --- a/expression/builtin_cast.go +++ b/expression/builtin_cast.go @@ -577,7 +577,13 @@ func (b *builtinCastIntAsTimeSig) evalTime(row chunk.Row) (res types.Time, isNul if isNull || err != nil { return res, isNull, err } - res, err = types.ParseTimeFromNum(b.ctx.GetSessionVars().StmtCtx, val, b.tp.Tp, int8(b.tp.Decimal)) + + if b.args[0].GetType().Tp == mysql.TypeYear { + res, err = types.ParseTimeFromYear(b.ctx.GetSessionVars().StmtCtx, val) + } else { + res, err = types.ParseTimeFromNum(b.ctx.GetSessionVars().StmtCtx, val, b.tp.Tp, int8(b.tp.Decimal)) + } + if err != nil { return types.ZeroTime, true, handleInvalidTimeError(b.ctx, err) } diff --git a/expression/builtin_cast_vec.go b/expression/builtin_cast_vec.go index f6a77ffd10f0d..4ec1d138f8f41 100644 --- a/expression/builtin_cast_vec.go +++ b/expression/builtin_cast_vec.go @@ -376,11 +376,19 @@ func (b *builtinCastIntAsTimeSig) vecEvalTime(input *chunk.Chunk, result *chunk. i64s := buf.Int64s() stmt := b.ctx.GetSessionVars().StmtCtx fsp := int8(b.tp.Decimal) + + var tm types.Time for i := 0; i < n; i++ { if buf.IsNull(i) { continue } - tm, err := types.ParseTimeFromNum(stmt, i64s[i], b.tp.Tp, fsp) + + if b.args[0].GetType().Tp == mysql.TypeYear { + tm, err = types.ParseTimeFromYear(stmt, i64s[i]) + } else { + tm, err = types.ParseTimeFromNum(stmt, i64s[i], b.tp.Tp, fsp) + } + if err != nil { if err = handleInvalidTimeError(b.ctx, err); err != nil { return err diff --git a/expression/builtin_compare.go b/expression/builtin_compare.go index 5c73e0e070793..b6655fb8a5df7 100644 --- a/expression/builtin_compare.go +++ b/expression/builtin_compare.go @@ -1059,6 +1059,9 @@ func getBaseCmpType(lhs, rhs types.EvalType, lft, rft *types.FieldType) types.Ev } else if ((lhs == types.ETInt || lft.Hybrid()) || lhs == types.ETDecimal) && ((rhs == types.ETInt || rft.Hybrid()) || rhs == types.ETDecimal) { return types.ETDecimal + } else if types.IsTemporalWithDate(lft.Tp) && rft.Tp == mysql.TypeYear || + lft.Tp == mysql.TypeYear && types.IsTemporalWithDate(rft.Tp) { + return types.ETDatetime } return types.ETReal } diff --git a/expression/integration_test.go b/expression/integration_test.go index 901857343d955..9944506dc15a2 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -7131,6 +7131,41 @@ func (s *testIntegrationSuite) TestIssue16505(c *C) { tk.MustExec("drop table t;") } +func (s *testIntegrationSuite) TestIssue20121(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + // testcase for Datetime vs Year + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a datetime, b year)") + tk.MustExec("insert into t values('2000-05-03 16:44:44', 2018)") + tk.MustExec("insert into t values('2020-10-01 11:11:11', 2000)") + tk.MustExec("insert into t values('2020-10-01 11:11:11', 2070)") + tk.MustExec("insert into t values('2020-10-01 11:11:11', 1999)") + + tk.MustQuery("select * from t where t.a < t.b").Check(testkit.Rows("2000-05-03 16:44:44 2018", "2020-10-01 11:11:11 2070")) + tk.MustQuery("select * from t where t.a > t.b").Check(testkit.Rows("2020-10-01 11:11:11 2000", "2020-10-01 11:11:11 1999")) + + // testcase for Date vs Year + tk.MustExec("drop table if exists tt") + tk.MustExec("create table tt(a date, b year)") + tk.MustExec("insert into tt values('2019-11-11', 2000)") + tk.MustExec("insert into tt values('2019-11-11', 2020)") + tk.MustExec("insert into tt values('2019-11-11', 2022)") + + tk.MustQuery("select * from tt where tt.a > tt.b").Check(testkit.Rows("2019-11-11 2000")) + tk.MustQuery("select * from tt where tt.a < tt.b").Check(testkit.Rows("2019-11-11 2020", "2019-11-11 2022")) + + // testcase for Timestamp vs Year + tk.MustExec("drop table if exists ttt") + tk.MustExec("create table ttt(a timestamp, b year)") + tk.MustExec("insert into ttt values('2019-11-11 11:11:11', 2019)") + tk.MustExec("insert into ttt values('2019-11-11 11:11:11', 2000)") + tk.MustExec("insert into ttt values('2019-11-11 11:11:11', 2022)") + + tk.MustQuery("select * from ttt where ttt.a > ttt.b").Check(testkit.Rows("2019-11-11 11:11:11 2019", "2019-11-11 11:11:11 2000")) + tk.MustQuery("select * from ttt where ttt.a < ttt.b").Check(testkit.Rows("2019-11-11 11:11:11 2022")) +} + func (s *testIntegrationSuite) TestIssue16779(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/types/time.go b/types/time.go index 5e7c5fa8ae924..485b49734d3af 100644 --- a/types/time.go +++ b/types/time.go @@ -1950,6 +1950,17 @@ func ParseDate(sc *stmtctx.StatementContext, str string) (Time, error) { return ParseTime(sc, str, mysql.TypeDate, MinFsp) } +// ParseTimeFromYear parse a `YYYY` formed year to corresponded Datetime type. +// Note: the invoker must promise the `year` is in the range [MinYear, MaxYear]. +func ParseTimeFromYear(sc *stmtctx.StatementContext, year int64) (Time, error) { + if year == 0 { + return NewTime(ZeroCoreTime, mysql.TypeDate, DefaultFsp), nil + } + + dt := FromDate(int(year), 0, 0, 0, 0, 0, 0) + return NewTime(dt, mysql.TypeDatetime, DefaultFsp), nil +} + // ParseTimeFromNum parses a formatted int64, // returns the value which type is tp. func ParseTimeFromNum(sc *stmtctx.StatementContext, num int64, tp byte, fsp int8) (Time, error) { From dd3087ffb9bca011dba39e6b6a57702d3a6982ab Mon Sep 17 00:00:00 2001 From: cfzjywxk Date: Fri, 18 Dec 2020 18:45:04 +0800 Subject: [PATCH 0520/1021] server: redact some error code, part(2/3) (#20591) --- errno/errname.go | 10 +++++----- util/dbterror/terror_test.go | 26 ++++++++++++++++++++++---- 2 files changed, 27 insertions(+), 9 deletions(-) diff --git a/errno/errname.go b/errno/errname.go index 20e9b2f595d90..c802e5653df59 100644 --- a/errno/errname.go +++ b/errno/errname.go @@ -482,7 +482,7 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrForeignServerDoesntExist: mysql.Message("The foreign server name you are trying to reference does not exist. Data source : %-.64s", nil), ErrIllegalHaCreateOption: mysql.Message("Table storage engine '%-.64s' does not support the create option '%.64s'", nil), ErrPartitionRequiresValues: mysql.Message("Syntax : %-.64s PARTITIONING requires definition of VALUES %-.64s for each partition", nil), - ErrPartitionWrongValues: mysql.Message("Only %-.64s PARTITIONING can use VALUES %-.64s in partition definition", nil), + ErrPartitionWrongValues: mysql.Message("Only %-.64s PARTITIONING can use VALUES %-.64s in partition definition", []int{1}), ErrPartitionMaxvalue: mysql.Message("MAXVALUE can only be used in last partition definition", nil), ErrPartitionSubpartition: mysql.Message("Subpartitions can only be hash partitions and by key", nil), ErrPartitionSubpartMix: mysql.Message("Must define subpartitions on all partitions if on one partition", nil), @@ -506,7 +506,7 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrCantCreateHandlerFile: mysql.Message("Failed to create specific handler file", nil), ErrBlobFieldInPartFunc: mysql.Message("A BLOB field is not allowed in partition function", nil), ErrUniqueKeyNeedAllFieldsInPf: mysql.Message("A %-.192s must include all columns in the table's partitioning function", nil), - ErrNoParts: mysql.Message("Number of %-.64s = 0 is not an allowed value", nil), + ErrNoParts: mysql.Message("Number of %-.64s = 0 is not an allowed value", []int{0}), ErrPartitionMgmtOnNonpartitioned: mysql.Message("Partition management on a not partitioned table is not possible", nil), ErrForeignKeyOnPartitioned: mysql.Message("Foreign key clause is not yet supported in conjunction with partitioning", nil), ErrDropPartitionNonExistent: mysql.Message("Error in list of partitions to %-.64s", nil), @@ -527,8 +527,8 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrPartState: mysql.Message("Partition state cannot be defined from CREATE/ALTER TABLE", nil), ErrLimitedPartRange: mysql.Message("The %-.64s handler only supports 32 bit integers in VALUES", nil), ErrPluginIsNotLoaded: mysql.Message("Plugin '%-.192s' is not loaded", nil), - ErrWrongValue: mysql.Message("Incorrect %-.32s value: '%-.128s'", nil), - ErrNoPartitionForGivenValue: mysql.Message("Table has no partition for value %-.64s", nil), + ErrWrongValue: mysql.Message("Incorrect %-.32s value: '%-.128s'", []int{1}), + ErrNoPartitionForGivenValue: mysql.Message("Table has no partition for value %-.64s", []int{0}), ErrFilegroupOptionOnlyOnce: mysql.Message("It is not allowed to specify %s more than once", nil), ErrCreateFilegroupFailed: mysql.Message("Failed to create %s", nil), ErrDropFilegroupFailed: mysql.Message("Failed to drop %s", nil), @@ -672,7 +672,7 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrSpatialMustHaveGeomCol: mysql.Message("A SPATIAL index may only contain a geometrical type column", nil), ErrTooLongIndexComment: mysql.Message("Comment for index '%-.64s' is too long (max = %d)", nil), ErrLockAborted: mysql.Message("Wait on a lock was aborted due to a pending exclusive lock", nil), - ErrDataOutOfRange: mysql.Message("%s value is out of range in '%s'", nil), + ErrDataOutOfRange: mysql.Message("%s value is out of range in '%s'", []int{1}), ErrWrongSpvarTypeInLimit: mysql.Message("A variable of a non-integer based type in LIMIT clause", nil), ErrBinlogUnsafeMultipleEnginesAndSelfLoggingEngine: mysql.Message("Mixing self-logging and non-self-logging engines in a statement is unsafe.", nil), ErrBinlogUnsafeMixedStatement: mysql.Message("Statement accesses nontransactional table as well as transactional or temporary table, and writes to any of them.", nil), diff --git a/util/dbterror/terror_test.go b/util/dbterror/terror_test.go index d00ce61e17ec6..736fd958cfe74 100644 --- a/util/dbterror/terror_test.go +++ b/util/dbterror/terror_test.go @@ -14,6 +14,7 @@ package dbterror import ( + "fmt" "strings" "testing" @@ -30,14 +31,31 @@ var _ = Suite(&testkSuite{}) type testkSuite struct{} +func genErrMsg(pattern string, a ...interface{}) string { + return fmt.Sprintf(pattern, a...) +} + func (s *testkSuite) TestErrorRedact(c *C) { original := errors.RedactLogEnabled.Load() errors.RedactLogEnabled.Store(true) defer func() { errors.RedactLogEnabled.Store(original) }() class := ErrClass{} - err := class.NewStd(errno.ErrDupEntry).GenWithStackByArgs("sensitive_data", "no_sensitive") - c.Assert(strings.Contains(err.Error(), "?"), IsTrue) - c.Assert(strings.Contains(err.Error(), "no_sensitive"), IsTrue) - c.Assert(strings.Contains(err.Error(), "sensitive_data"), IsFalse) + + NoSensitiveValue := "no_sensitive" + SensitiveData := "sensitive_data" + QuestionMark := "?" + + err := class.NewStd(errno.ErrDupEntry).GenWithStackByArgs(SensitiveData, NoSensitiveValue) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrDupEntry].Raw, QuestionMark, NoSensitiveValue)), IsTrue) + err = class.NewStd(errno.ErrPartitionWrongValues).GenWithStackByArgs(NoSensitiveValue, SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrPartitionWrongValues].Raw, NoSensitiveValue, QuestionMark)), IsTrue) + err = class.NewStd(errno.ErrNoParts).GenWithStackByArgs(SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrNoParts].Raw, QuestionMark)), IsTrue) + err = class.NewStd(errno.ErrWrongValue).GenWithStackByArgs(NoSensitiveValue, SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrWrongValue].Raw, NoSensitiveValue, QuestionMark)), IsTrue) + err = class.NewStd(errno.ErrNoPartitionForGivenValue).GenWithStackByArgs(SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrNoPartitionForGivenValue].Raw, QuestionMark)), IsTrue) + err = class.NewStd(errno.ErrDataOutOfRange).GenWithStackByArgs(NoSensitiveValue, SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrDataOutOfRange].Raw, NoSensitiveValue, QuestionMark)), IsTrue) } From 8792bf862e10ddd4bcca05a78ebe2f93b4de1ce8 Mon Sep 17 00:00:00 2001 From: Feng Liyuan Date: Fri, 18 Dec 2020 19:08:34 +0800 Subject: [PATCH 0521/1021] server: redact some error code, part(1/3) (#21864) --- errno/errname.go | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/errno/errname.go b/errno/errname.go index c802e5653df59..ff67050f750d0 100644 --- a/errno/errname.go +++ b/errno/errname.go @@ -265,7 +265,7 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrZlibZMem: mysql.Message("ZLIB: Not enough memory", nil), ErrZlibZBuf: mysql.Message("ZLIB: Not enough room in the output buffer (probably, length of uncompressed data was corrupted)", nil), ErrZlibZData: mysql.Message("ZLIB: Input data corrupted", nil), - ErrCutValueGroupConcat: mysql.Message("Some rows were cut by GROUPCONCAT(%s)", nil), + ErrCutValueGroupConcat: mysql.Message("Some rows were cut by GROUPCONCAT(%s)", []int{0}), ErrWarnTooFewRecords: mysql.Message("Row %d doesn't contain data for all columns", nil), ErrWarnTooManyRecords: mysql.Message("Row %d was truncated; it contained more data than there were input columns", nil), ErrWarnNullToNotnull: mysql.Message("Column set to default value; NULL supplied to NOT NULL column '%s' at row %d", nil), @@ -293,8 +293,8 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrNonUpdatableTable: mysql.Message("The target table %-.100s of the %s is not updatable", nil), ErrFeatureDisabled: mysql.Message("The '%s' feature is disabled; you need MySQL built with '%s' to have it working", nil), ErrOptionPreventsStatement: mysql.Message("The MySQL server is running with the %s option so it cannot execute this statement", nil), - ErrDuplicatedValueInType: mysql.Message("Column '%-.100s' has duplicated value '%-.64s' in %s", nil), - ErrTruncatedWrongValue: mysql.Message("Truncated incorrect %-.64s value: '%-.128s'", nil), + ErrDuplicatedValueInType: mysql.Message("Column '%-.100s' has duplicated value '%-.64s' in %s", []int{1}), + ErrTruncatedWrongValue: mysql.Message("Truncated incorrect %-.64s value: '%-.128s'", []int{1}), ErrTooMuchAutoTimestampCols: mysql.Message("Incorrect table definition; there can be only one TIMESTAMP column with CURRENTTIMESTAMP in DEFAULT or ON UPDATE clause", nil), ErrInvalidOnUpdate: mysql.Message("Invalid ON UPDATE clause for '%-.192s' column", nil), ErrUnsupportedPs: mysql.Message("This command is not supported in the prepared statement protocol yet", nil), @@ -302,7 +302,7 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrGetTemporaryErrmsg: mysql.Message("Got temporary error %d '%-.100s' from %s", nil), ErrUnknownTimeZone: mysql.Message("Unknown or incorrect time zone: '%-.64s'", nil), ErrWarnInvalidTimestamp: mysql.Message("Invalid TIMESTAMP value in column '%s' at row %d", nil), - ErrInvalidCharacterString: mysql.Message("Invalid %s character string: '%.64s'", nil), + ErrInvalidCharacterString: mysql.Message("Invalid %s character string: '%.64s'", []int{1}), ErrWarnAllowedPacketOverflowed: mysql.Message("Result of %s() was larger than max_allowed_packet (%d) - truncated", nil), ErrConflictingDeclarations: mysql.Message("Conflicting declarations: '%s%s' and '%s%s'", nil), ErrSpNoRecursiveCreate: mysql.Message("Can't create a %s from within another stored routine", nil), @@ -368,8 +368,8 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrTrgNoSuchRowInTrg: mysql.Message("There is no %s row in %s trigger", nil), ErrNoDefaultForField: mysql.Message("Field '%-.192s' doesn't have a default value", nil), ErrDivisionByZero: mysql.Message("Division by 0", nil), - ErrTruncatedWrongValueForField: mysql.Message("Incorrect %-.32s value: '%-.128s' for column '%.192s' at row %d", nil), - ErrIllegalValueForType: mysql.Message("Illegal %s '%-.192s' value found during parsing", nil), + ErrTruncatedWrongValueForField: mysql.Message("Incorrect %-.32s value: '%-.128s' for column '%.192s' at row %d", []int{0, 1}), + ErrIllegalValueForType: mysql.Message("Illegal %s '%-.192s' value found during parsing", []int{1}), ErrViewNonupdCheck: mysql.Message("CHECK OPTION on non-updatable view '%-.192s.%-.192s'", nil), ErrViewCheckFailed: mysql.Message("CHECK OPTION failed '%-.192s.%-.192s'", nil), ErrProcaccessDenied: mysql.Message("%-.16s command denied to user '%-.48s'@'%-.64s' for routine '%-.192s'", nil), From 1a9852f85f7b90b013cafdd136260367203a29c0 Mon Sep 17 00:00:00 2001 From: bb7133 Date: Sat, 19 Dec 2020 18:21:34 +0800 Subject: [PATCH 0522/1021] *: redact some error code, part(3/3) (#21866) --- errno/errname.go | 16 ++++++++-------- kv/error.go | 4 ++-- util/dbterror/terror_test.go | 29 +++++++++++++++++++++++++++++ 3 files changed, 39 insertions(+), 10 deletions(-) diff --git a/errno/errname.go b/errno/errname.go index ff67050f750d0..be3a7787cd0e5 100644 --- a/errno/errname.go +++ b/errno/errname.go @@ -821,7 +821,7 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrIdentCausesTooLongPath: mysql.Message("Long database name and identifier for object resulted in path length exceeding %d characters. Path: '%s'.", nil), ErrAlterOperationNotSupportedReasonNotNull: mysql.Message("cannot silently convert NULL values, as required in this SQLMODE", nil), ErrMustChangePasswordLogin: mysql.Message("Your password has expired. To log in you must change it using a client that supports expired passwords.", nil), - ErrRowInWrongPartition: mysql.Message("Found a row in wrong partition %s", nil), + ErrRowInWrongPartition: mysql.Message("Found a row in wrong partition %s", []int{0}), ErrGeneratedColumnFunctionIsNotAllowed: mysql.Message("Expression of generated column '%s' contains a disallowed function.", nil), ErrGeneratedColumnRowValueIsNotAllowed: mysql.Message("Expression of generated column '%s' cannot refer to a row value", nil), ErrUnsupportedAlterInplaceOnVirtualColumn: mysql.Message("INPLACE ADD or DROP of virtual columns cannot be combined with other ALTER TABLE actions.", nil), @@ -840,7 +840,7 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrFieldInOrderNotSelect: mysql.Message("Expression #%d of ORDER BY clause is not in SELECT list, references column '%s' which is not in SELECT list; this is incompatible with %s", nil), ErrAggregateInOrderNotSelect: mysql.Message("Expression #%d of ORDER BY clause is not in SELECT list, contains aggregate function; this is incompatible with %s", nil), ErrInvalidJSONData: mysql.Message("Invalid JSON data provided to function %s: %s", nil), - ErrInvalidJSONText: mysql.Message("Invalid JSON text: %-.192s", nil), + ErrInvalidJSONText: mysql.Message("Invalid JSON text: %-.192s", []int{0}), ErrInvalidJSONPath: mysql.Message("Invalid JSON path expression %s.", nil), ErrInvalidTypeForJSON: mysql.Message("Invalid data type for JSON data in argument %d to function %s; a JSON string or JSON type is required.", nil), ErrInvalidJSONPathWildcard: mysql.Message("In this situation, path expressions may not contain the * and ** tokens.", nil), @@ -928,7 +928,7 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrUnsupportedReloadPluginVar: mysql.Message("Reload plugin with different sysVar is unsupported %v", nil), ErrTableLocked: mysql.Message("Table '%s' was locked in %s by %v", nil), ErrNotExist: mysql.Message("Error: key not exist", nil), - ErrTxnRetryable: mysql.Message("Error: KV error safe to retry %s ", nil), + ErrTxnRetryable: mysql.Message("Error: KV error safe to retry %s ", []int{0}), ErrCannotSetNilValue: mysql.Message("can not set nil value", nil), ErrInvalidTxn: mysql.Message("invalid transaction", nil), ErrEntryTooLarge: mysql.Message("entry too large, the max entry size is %d, the size of data is %d", nil), @@ -940,13 +940,13 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrCastNegIntAsUnsigned: mysql.Message("Cast to unsigned converted negative integer to it's positive complement", nil), ErrInvalidYearFormat: mysql.Message("invalid year format", nil), ErrInvalidYear: mysql.Message("invalid year", nil), - ErrIncorrectDatetimeValue: mysql.Message("Incorrect datetime value: '%s'", nil), - ErrInvalidTimeFormat: mysql.Message("invalid time format: '%v'", nil), + ErrIncorrectDatetimeValue: mysql.Message("Incorrect datetime value: '%s'", []int{0}), + ErrInvalidTimeFormat: mysql.Message("invalid time format: '%v'", []int{0}), ErrInvalidWeekModeFormat: mysql.Message("invalid week mode format: '%v'", nil), ErrFieldGetDefaultFailed: mysql.Message("Field '%s' get default value fail", nil), - ErrIndexOutBound: mysql.Message("Index column %s offset out of bound, offset: %d, row: %v", nil), + ErrIndexOutBound: mysql.Message("Index column %s offset out of bound, offset: %d, row: %v", []int{2}), ErrUnsupportedOp: mysql.Message("operation not supported", nil), - ErrRowNotFound: mysql.Message("can not find the row: %s", nil), + ErrRowNotFound: mysql.Message("can not find the row: %s", []int{0}), ErrTableStateCantNone: mysql.Message("table %s can't be in none state", nil), ErrColumnStateCantNone: mysql.Message("column %s can't be in none state", nil), ErrColumnStateNonPublic: mysql.Message("can not use non-public column", nil), @@ -1046,7 +1046,7 @@ var MySQLErrName = map[uint16]*mysql.ErrMessage{ ErrResolveLockTimeout: mysql.Message("Resolve lock timeout", nil), ErrRegionUnavailable: mysql.Message("Region is unavailable", nil), ErrGCTooEarly: mysql.Message("GC life time is shorter than transaction duration, transaction starts at %v, GC safe point is %v", nil), - ErrWriteConflict: mysql.Message("Write conflict, txnStartTS=%d, conflictStartTS=%d, conflictCommitTS=%d, key=%s", nil), + ErrWriteConflict: mysql.Message("Write conflict, txnStartTS=%d, conflictStartTS=%d, conflictCommitTS=%d, key=%s", []int{3}), ErrTiKVStoreLimit: mysql.Message("Store token is up to the limit, store id = %d", nil), ErrPrometheusAddrIsNotSet: mysql.Message("Prometheus address is not set in PD and etcd", nil), ErrTiKVStaleCommand: mysql.Message("TiKV server reports stale command", nil), diff --git a/kv/error.go b/kv/error.go index 470646bfe50e8..32c76e3bfa8d8 100644 --- a/kv/error.go +++ b/kv/error.go @@ -32,7 +32,7 @@ var ( // When using TiKV as the storage node, the error is returned ONLY when lock not found (txnLockNotFound) in Commit, // subject to change it in the future. ErrTxnRetryable = dbterror.ClassKV.NewStdErr(mysql.ErrTxnRetryable, - pmysql.Message(mysql.MySQLErrName[mysql.ErrTxnRetryable].Raw+TxnRetryableMark, nil)) + pmysql.Message(mysql.MySQLErrName[mysql.ErrTxnRetryable].Raw+TxnRetryableMark, []int{0})) // ErrCannotSetNilValue is the error when sets an empty value. ErrCannotSetNilValue = dbterror.ClassKV.NewStd(mysql.ErrCannotSetNilValue) // ErrInvalidTxn is the error when commits or rollbacks in an invalid transaction. @@ -47,7 +47,7 @@ var ( ErrNotImplemented = dbterror.ClassKV.NewStd(mysql.ErrNotImplemented) // ErrWriteConflict is the error when the commit meets an write conflict error. ErrWriteConflict = dbterror.ClassKV.NewStdErr(mysql.ErrWriteConflict, - pmysql.Message(mysql.MySQLErrName[mysql.ErrWriteConflict].Raw+" "+TxnRetryableMark, nil)) + pmysql.Message(mysql.MySQLErrName[mysql.ErrWriteConflict].Raw+" "+TxnRetryableMark, []int{3})) // ErrWriteConflictInTiDB is the error when the commit meets an write conflict error when local latch is enabled. ErrWriteConflictInTiDB = dbterror.ClassKV.NewStdErr(mysql.ErrWriteConflictInTiDB, pmysql.Message(mysql.MySQLErrName[mysql.ErrWriteConflictInTiDB].Raw+" "+TxnRetryableMark, nil)) diff --git a/util/dbterror/terror_test.go b/util/dbterror/terror_test.go index 736fd958cfe74..2f1c23506d70e 100644 --- a/util/dbterror/terror_test.go +++ b/util/dbterror/terror_test.go @@ -48,6 +48,19 @@ func (s *testkSuite) TestErrorRedact(c *C) { err := class.NewStd(errno.ErrDupEntry).GenWithStackByArgs(SensitiveData, NoSensitiveValue) c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrDupEntry].Raw, QuestionMark, NoSensitiveValue)), IsTrue) + err = class.NewStd(errno.ErrCutValueGroupConcat).GenWithStackByArgs(SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrCutValueGroupConcat].Raw, QuestionMark)), IsTrue) + err = class.NewStd(errno.ErrDuplicatedValueInType).GenWithStackByArgs(NoSensitiveValue, SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrDuplicatedValueInType].Raw, NoSensitiveValue, QuestionMark)), IsTrue) + err = class.NewStd(errno.ErrTruncatedWrongValue).GenWithStackByArgs(NoSensitiveValue, SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrTruncatedWrongValue].Raw, NoSensitiveValue, QuestionMark)), IsTrue) + err = class.NewStd(errno.ErrInvalidCharacterString).FastGenByArgs(NoSensitiveValue, SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrInvalidCharacterString].Raw, NoSensitiveValue, QuestionMark)), IsTrue) + err = class.NewStd(errno.ErrTruncatedWrongValueForField).FastGenByArgs(SensitiveData, SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrTruncatedWrongValueForField].Raw, QuestionMark, QuestionMark)), IsTrue) + err = class.NewStd(errno.ErrIllegalValueForType).FastGenByArgs(NoSensitiveValue, SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrIllegalValueForType].Raw, NoSensitiveValue, QuestionMark)), IsTrue) + err = class.NewStd(errno.ErrPartitionWrongValues).GenWithStackByArgs(NoSensitiveValue, SensitiveData) c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrPartitionWrongValues].Raw, NoSensitiveValue, QuestionMark)), IsTrue) err = class.NewStd(errno.ErrNoParts).GenWithStackByArgs(SensitiveData) @@ -58,4 +71,20 @@ func (s *testkSuite) TestErrorRedact(c *C) { c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrNoPartitionForGivenValue].Raw, QuestionMark)), IsTrue) err = class.NewStd(errno.ErrDataOutOfRange).GenWithStackByArgs(NoSensitiveValue, SensitiveData) c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrDataOutOfRange].Raw, NoSensitiveValue, QuestionMark)), IsTrue) + + err = class.NewStd(errno.ErrRowInWrongPartition).GenWithStackByArgs(SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrRowInWrongPartition].Raw, QuestionMark)), IsTrue) + err = class.NewStd(errno.ErrInvalidJSONText).GenWithStackByArgs(SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrInvalidJSONText].Raw, QuestionMark)), IsTrue) + err = class.NewStd(errno.ErrTxnRetryable).GenWithStackByArgs(SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrTxnRetryable].Raw, QuestionMark)), IsTrue) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrTxnRetryable].Raw, QuestionMark)), IsTrue) + err = class.NewStd(errno.ErrIncorrectDatetimeValue).GenWithStackByArgs(SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrIncorrectDatetimeValue].Raw, QuestionMark)), IsTrue) + err = class.NewStd(errno.ErrInvalidTimeFormat).GenWithStackByArgs(SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrInvalidTimeFormat].Raw, QuestionMark)), IsTrue) + err = class.NewStd(errno.ErrRowNotFound).GenWithStackByArgs(SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrRowNotFound].Raw, QuestionMark)), IsTrue) + err = class.NewStd(errno.ErrWriteConflict).GenWithStackByArgs(NoSensitiveValue, NoSensitiveValue, NoSensitiveValue, SensitiveData) + c.Assert(strings.Contains(err.Error(), genErrMsg(errno.MySQLErrName[errno.ErrWriteConflict].Raw, NoSensitiveValue, NoSensitiveValue, NoSensitiveValue, QuestionMark)), IsTrue) } From 5cb50070bd09941abbc9f7b813a8bc94b891afaa Mon Sep 17 00:00:00 2001 From: wjHuang Date: Mon, 21 Dec 2020 15:06:33 +0800 Subject: [PATCH 0523/1021] planner: fix union doesn't handle collate correctly (#21854) Signed-off-by: wjhuang2016 --- executor/testdata/executor_suite_out.json | 28 +++++++++++------------ expression/integration_test.go | 13 +++++++++++ planner/core/logical_plan_builder.go | 7 ++++-- 3 files changed, 31 insertions(+), 17 deletions(-) diff --git a/executor/testdata/executor_suite_out.json b/executor/testdata/executor_suite_out.json index bcf5edca85f36..f65bea0722da9 100644 --- a/executor/testdata/executor_suite_out.json +++ b/executor/testdata/executor_suite_out.json @@ -338,13 +338,13 @@ "SQL": "select * from t1 union all select * from t2 union all select * from t3", "Plan": [ "Union_11 30000.00 root ", - "├─Projection_12 10000.00 root test.t1.a, cast(test.t1.b, varbinary(30) BINARY)->Column#11", + "├─Projection_12 10000.00 root test.t1.a, cast(test.t1.b, varchar(30) BINARY CHARACTER SET utf8mb4 COLLATE utf8mb4_bin)->Column#11", "│ └─TableReader_14 10000.00 root data:TableFullScan_13", "│ └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", - "├─Projection_15 10000.00 root test.t2.a, cast(test.t2.b, varbinary(30) BINARY)->Column#11", + "├─Projection_15 10000.00 root test.t2.a, cast(test.t2.b, varchar(30) BINARY CHARACTER SET utf8mb4 COLLATE utf8mb4_bin)->Column#11", "│ └─TableReader_17 10000.00 root data:TableFullScan_16", "│ └─TableFullScan_16 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", - "└─Projection_18 10000.00 root test.t3.a, cast(test.t3.b, varbinary(30) BINARY)->Column#11", + "└─Projection_18 10000.00 root test.t3.a, cast(test.t3.b, varchar(30) BINARY CHARACTER SET utf8mb4 COLLATE utf8mb4_bin)->Column#11", " └─TableReader_20 10000.00 root data:TableFullScan_19", " └─TableFullScan_19 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" ], @@ -370,12 +370,11 @@ "│ └─TableFullScan_24 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo", "└─HashAgg_15(Probe) 16000.00 root group by:Column#10, Column#11, funcs:firstrow(Column#10)->Column#10, funcs:firstrow(Column#11)->Column#11", " └─Union_16 20000.00 root ", - " ├─Projection_17 10000.00 root test.t1.a, cast(test.t1.b, varbinary(20))->Column#11", + " ├─Projection_17 10000.00 root test.t1.a, cast(test.t1.b, varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin)->Column#11", " │ └─TableReader_19 10000.00 root data:TableFullScan_18", " │ └─TableFullScan_18 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", - " └─Projection_20 10000.00 root test.t2.a, cast(test.t2.b, varbinary(20))->Column#11", - " └─TableReader_22 10000.00 root data:TableFullScan_21", - " └─TableFullScan_21 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + " └─TableReader_22 10000.00 root data:TableFullScan_21", + " └─TableFullScan_21 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" ], "Res": [ "1 1", @@ -407,16 +406,15 @@ "SQL": "select * from t1 union all select * from t2 intersect select * from t3", "Plan": [ "Union_12 16400.00 root ", - "├─Projection_13 10000.00 root test.t1.a, cast(test.t1.b, varbinary(20))->Column#11", + "├─Projection_13 10000.00 root test.t1.a, cast(test.t1.b, varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin)->Column#11", "│ └─TableReader_15 10000.00 root data:TableFullScan_14", "│ └─TableFullScan_14 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", - "└─Projection_16 6400.00 root test.t2.a, cast(test.t2.b, varbinary(20))->Column#11", - " └─HashJoin_17 6400.00 root semi join, equal:[nulleq(test.t2.a, test.t3.a)], other cond:nulleq(cast(test.t2.b), cast(test.t3.b))", - " ├─TableReader_27(Build) 10000.00 root data:TableFullScan_26", - " │ └─TableFullScan_26 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo", - " └─HashAgg_20(Probe) 8000.00 root group by:test.t2.a, test.t2.b, funcs:firstrow(test.t2.a)->test.t2.a, funcs:firstrow(test.t2.b)->test.t2.b", - " └─TableReader_25 10000.00 root data:TableFullScan_24", - " └─TableFullScan_24 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + "└─HashJoin_17 6400.00 root semi join, equal:[nulleq(test.t2.a, test.t3.a)], other cond:nulleq(cast(test.t2.b), cast(test.t3.b))", + " ├─TableReader_27(Build) 10000.00 root data:TableFullScan_26", + " │ └─TableFullScan_26 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo", + " └─HashAgg_20(Probe) 8000.00 root group by:test.t2.a, test.t2.b, funcs:firstrow(test.t2.a)->test.t2.a, funcs:firstrow(test.t2.b)->test.t2.b", + " └─TableReader_25 10000.00 root data:TableFullScan_24", + " └─TableFullScan_24 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" ], "Res": [ "1 1", diff --git a/expression/integration_test.go b/expression/integration_test.go index 9944506dc15a2..60347cbe59c09 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -8407,3 +8407,16 @@ func (s *testIntegrationSuite) TestIssue12209(c *C) { tk.MustQuery("select `a` DIV ( ROUND( ( SCHEMA() ), '1978-05-18 03:35:52.043591' ) ) from `t12209`;").Check( testkit.Rows("")) } + +func (s *testIntegrationSerialSuite) TestCollationUnion(c *C) { + // For issue 19694. + tk := testkit.NewTestKit(c, s.store) + + tk.MustQuery("select cast('2010-09-09' as date) a union select '2010-09-09 ' order by a;").Check(testkit.Rows("2010-09-09", "2010-09-09 ")) + res := tk.MustQuery("select cast('2010-09-09' as date) a union select '2010-09-09 ';") + c.Check(len(res.Rows()), Equals, 2) + collate.SetNewCollationEnabledForTest(true) + defer collate.SetNewCollationEnabledForTest(false) + res = tk.MustQuery("select cast('2010-09-09' as date) a union select '2010-09-09 ';") + c.Check(len(res.Rows()), Equals, 1) +} diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index e92482190b414..ca58d6762f8be 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -1281,6 +1281,7 @@ func (b *PlanBuilder) buildDistinct(child LogicalPlan, length int) (*LogicalAggr } // unionJoinFieldType finds the type which can carry the given types in Union. +// Note that unionJoinFieldType doesn't handle charset and collation, caller need to handle it by itself. func unionJoinFieldType(a, b *types.FieldType) *types.FieldType { resultTp := types.NewFieldType(types.MergeFieldType(a.Tp, b.Tp)) // This logic will be intelligible when it is associated with the buildProjection4Union logic. @@ -1297,8 +1298,6 @@ func unionJoinFieldType(a, b *types.FieldType) *types.FieldType { if resultTp.EvalType() != types.ETInt && (a.EvalType() == types.ETInt || b.EvalType() == types.ETInt) && resultTp.Flen < mysql.MaxIntWidth { resultTp.Flen = mysql.MaxIntWidth } - resultTp.Charset = a.Charset - resultTp.Collate = a.Collate expression.SetBinFlagOrBinStr(b, resultTp) return resultTp } @@ -1309,11 +1308,15 @@ func (b *PlanBuilder) buildProjection4Union(ctx context.Context, u *LogicalUnion // Infer union result types by its children's schema. for i, col := range u.children[0].Schema().Columns { + tmpExprs := make([]expression.Expression, 0, len(u.Children())) + tmpExprs = append(tmpExprs, col) resultTp := col.RetType for j := 1; j < len(u.children); j++ { + tmpExprs = append(tmpExprs, u.children[j].Schema().Columns[i]) childTp := u.children[j].Schema().Columns[i].RetType resultTp = unionJoinFieldType(resultTp, childTp) } + resultTp.Charset, resultTp.Collate = expression.DeriveCollationFromExprs(b.ctx, tmpExprs...) names = append(names, &types.FieldName{ColName: u.children[0].OutputNames()[i].ColName}) unionCols = append(unionCols, &expression.Column{ RetType: resultTp, From ce5ce53fa90bfbef6619b9f0c0bfbe18e28f0c9d Mon Sep 17 00:00:00 2001 From: Song Gao Date: Mon, 21 Dec 2020 15:30:30 +0800 Subject: [PATCH 0524/1021] ddl, distsql: Support forbiding cross txnScope query all *Reader Executor (#21650) --- ddl/placement_sql_test.go | 2 + distsql/request_builder.go | 62 ++++++++++++++++- executor/builder.go | 14 ++++ executor/distsql.go | 14 ++++ executor/index_merge_reader.go | 8 ++- executor/table_reader.go | 7 ++ expression/integration_test.go | 119 +++++++++++++++++++++++++++++++++ infoschema/infoschema.go | 3 + session/session_test.go | 80 ++++++++-------------- util/mock/context.go | 8 +++ 10 files changed, 263 insertions(+), 54 deletions(-) diff --git a/ddl/placement_sql_test.go b/ddl/placement_sql_test.go index b09621ce0aeb8..be6fb2bb343a0 100644 --- a/ddl/placement_sql_test.go +++ b/ddl/placement_sql_test.go @@ -550,6 +550,8 @@ add placement policy func (s *testDBSuite1) TestGlobalTxnState(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") + tk.MustExec("drop table if exists t1") + defer tk.MustExec("drop table if exists t1") tk.Se.GetSessionVars().EnableAlterPlacement = true defer func() { diff --git a/distsql/request_builder.go b/distsql/request_builder.go index 8fe631b3bbff8..0f65458efffd0 100644 --- a/distsql/request_builder.go +++ b/distsql/request_builder.go @@ -14,14 +14,18 @@ package distsql import ( + "fmt" "math" + "github.com/pingcap/errors" "github.com/pingcap/parser/mysql" + "github.com/pingcap/tidb/ddl/placement" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/statistics" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/codec" @@ -34,11 +38,18 @@ import ( // It is called before we issue a kv request by "Select". type RequestBuilder struct { kv.Request - err error + // txnScope indicates the value of txn_scope + txnScope string + bundles map[string]*placement.Bundle + err error } // Build builds a "kv.Request". func (builder *RequestBuilder) Build() (*kv.Request, error) { + err := builder.verifyTxnScope() + if err != nil { + builder.err = err + } return &builder.Request, builder.err } @@ -225,6 +236,12 @@ func (builder *RequestBuilder) SetFromSessionVars(sv *variable.SessionVars) *Req return builder } +// SetTxnScope sets "TxnScope" flag for "kv.Request". +func (builder *RequestBuilder) SetTxnScope(scope string) *RequestBuilder { + builder.txnScope = scope + return builder +} + // SetStreaming sets "Streaming" flag for "kv.Request". func (builder *RequestBuilder) SetStreaming(streaming bool) *RequestBuilder { builder.Request.Streaming = streaming @@ -245,6 +262,49 @@ func (builder *RequestBuilder) SetTiDBServerID(serverID uint64) *RequestBuilder return builder } +// SetFromInfoSchema sets the following fields from infoSchema: +// "bundles" +func (builder *RequestBuilder) SetFromInfoSchema(is infoschema.InfoSchema) *RequestBuilder { + if is == nil { + return builder + } + builder.bundles = is.RuleBundles() + return builder +} + +func (builder *RequestBuilder) verifyTxnScope() error { + if builder.txnScope == "" { + builder.txnScope = oracle.GlobalTxnScope + } + if builder.txnScope == oracle.GlobalTxnScope || len(builder.bundles) < 1 { + return nil + } + visitTableID := make(map[int64]struct{}) + for _, keyRange := range builder.Request.KeyRanges { + tableID := tablecodec.DecodeTableID(keyRange.StartKey) + if tableID > 0 { + visitTableID[tableID] = struct{}{} + } else { + return errors.New("requestBuilder can't decode tableID from keyRange") + } + } + + for tableID := range visitTableID { + bundle, ok := builder.bundles[placement.GroupID(tableID)] + if !ok { + continue + } + dc, ok := placement.GetLeaderDCByBundle(bundle, placement.DCLabelKey) + if !ok { + continue + } + if dc != builder.txnScope { + return fmt.Errorf("table %v can not be read by %v txn_scope", tableID, builder.txnScope) + } + } + return nil +} + // TableHandleRangesToKVRanges convert table handle ranges to "KeyRanges" for multiple tables. func TableHandleRangesToKVRanges(sc *stmtctx.StatementContext, tid []int64, isCommonHandle bool, ranges []*ranger.Range, fb *statistics.QueryFeedback) ([]kv.KeyRange, error) { if !isCommonHandle { diff --git a/executor/builder.go b/executor/builder.go index a2ea15b4438af..1b497af57a429 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -42,6 +42,7 @@ import ( "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/statistics" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/table/tables" "github.com/pingcap/tidb/types" @@ -3351,6 +3352,10 @@ func (builder *dataReaderBuilder) buildTableReaderBase(ctx context.Context, e *T if err != nil { return nil, err } + txn, err := e.ctx.Txn(false) + if err != nil { + return nil, err + } kvReq, err := reqBuilderWithRange. SetDAGRequest(e.dagPB). SetStartTS(startTS). @@ -3358,6 +3363,8 @@ func (builder *dataReaderBuilder) buildTableReaderBase(ctx context.Context, e *T SetKeepOrder(e.keepOrder). SetStreaming(e.streaming). SetFromSessionVars(e.ctx.GetSessionVars()). + SetTxnScope(extractTxnScope(txn)). + SetFromInfoSchema(infoschema.GetInfoSchema(e.ctx)). Build() if err != nil { return nil, err @@ -3962,3 +3969,10 @@ func (b *executorBuilder) buildTableSample(v *plannercore.PhysicalTableSample) * } return e } + +func extractTxnScope(txn kv.Transaction) string { + if txn == nil || txn.GetUnionStore() == nil { + return oracle.GlobalTxnScope + } + return txn.GetUnionStore().GetOption(kv.TxnScope).(string) +} diff --git a/executor/distsql.go b/executor/distsql.go index c92b36c6a9595..9e29b0ede67f4 100644 --- a/executor/distsql.go +++ b/executor/distsql.go @@ -34,6 +34,7 @@ import ( "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/distsql" "github.com/pingcap/tidb/expression" + "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/kv" plannercore "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/sessionctx" @@ -324,6 +325,10 @@ func (e *IndexReaderExecutor) open(ctx context.Context, kvRanges []kv.KeyRange) e.memTracker = memory.NewTracker(e.id, -1) e.memTracker.AttachTo(e.ctx.GetSessionVars().StmtCtx.MemTracker) + txn, err := e.ctx.Txn(false) + if err != nil { + return err + } var builder distsql.RequestBuilder kvReq, err := builder.SetKeyRanges(kvRanges). SetDAGRequest(e.dagPB). @@ -333,6 +338,9 @@ func (e *IndexReaderExecutor) open(ctx context.Context, kvRanges []kv.KeyRange) SetStreaming(e.streaming). SetFromSessionVars(e.ctx.GetSessionVars()). SetMemTracker(e.memTracker). + // FIXME: add unit test to cover this case + SetTxnScope(extractTxnScope(txn)). + SetFromInfoSchema(infoschema.GetInfoSchema(e.ctx)). Build() if err != nil { e.feedback.Invalidate() @@ -512,6 +520,10 @@ func (e *IndexLookUpExecutor) startIndexWorker(ctx context.Context, kvRanges []k } tracker := memory.NewTracker(memory.LabelForIndexWorker, -1) tracker.AttachTo(e.memTracker) + txn, err := e.ctx.Txn(false) + if err != nil { + return err + } var builder distsql.RequestBuilder kvReq, err := builder.SetKeyRanges(kvRanges). SetDAGRequest(e.dagPB). @@ -521,6 +533,8 @@ func (e *IndexLookUpExecutor) startIndexWorker(ctx context.Context, kvRanges []k SetStreaming(e.indexStreaming). SetFromSessionVars(e.ctx.GetSessionVars()). SetMemTracker(tracker). + SetTxnScope(extractTxnScope(txn)). + SetFromInfoSchema(infoschema.GetInfoSchema(e.ctx)). Build() if err != nil { return err diff --git a/executor/index_merge_reader.go b/executor/index_merge_reader.go index 6fd911f727b22..c34ce8d009846 100644 --- a/executor/index_merge_reader.go +++ b/executor/index_merge_reader.go @@ -30,6 +30,7 @@ import ( "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/distsql" "github.com/pingcap/tidb/expression" + "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/kv" plannercore "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/sessionctx" @@ -197,7 +198,10 @@ func (e *IndexMergeReaderExecutor) startPartialIndexWorker(ctx context.Context, collExec := true e.dagPBs[workID].CollectExecutionSummaries = &collExec } - + txn, err := e.ctx.Txn(false) + if err != nil { + return err + } var builder distsql.RequestBuilder kvReq, err := builder.SetKeyRanges(keyRange). SetDAGRequest(e.dagPBs[workID]). @@ -207,6 +211,8 @@ func (e *IndexMergeReaderExecutor) startPartialIndexWorker(ctx context.Context, SetStreaming(e.partialStreamings[workID]). SetFromSessionVars(e.ctx.GetSessionVars()). SetMemTracker(e.memTracker). + SetTxnScope(extractTxnScope(txn)). + SetFromInfoSchema(infoschema.GetInfoSchema(e.ctx)). Build() if err != nil { return err diff --git a/executor/table_reader.go b/executor/table_reader.go index 4a73006eadb20..6f0c0848b5ef4 100644 --- a/executor/table_reader.go +++ b/executor/table_reader.go @@ -21,6 +21,7 @@ import ( "github.com/pingcap/parser/model" "github.com/pingcap/tidb/distsql" "github.com/pingcap/tidb/expression" + "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/kv" plannercore "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/sessionctx" @@ -222,6 +223,10 @@ func (e *TableReaderExecutor) buildResp(ctx context.Context, ranges []*ranger.Ra } else { reqBuilder = builder.SetHandleRanges(e.ctx.GetSessionVars().StmtCtx, getPhysicalTableID(e.table), e.table.Meta() != nil && e.table.Meta().IsCommonHandle, ranges, e.feedback) } + txn, err := e.ctx.Txn(false) + if err != nil { + return nil, err + } kvReq, err := reqBuilder. SetDAGRequest(e.dagPB). SetStartTS(e.startTS). @@ -232,6 +237,8 @@ func (e *TableReaderExecutor) buildResp(ctx context.Context, ranges []*ranger.Ra SetMemTracker(e.memTracker). SetStoreType(e.storeType). SetAllowBatchCop(e.batchCop). + SetTxnScope(extractTxnScope(txn)). + SetFromInfoSchema(infoschema.GetInfoSchema(e.ctx)). Build() if err != nil { return nil, err diff --git a/expression/integration_test.go b/expression/integration_test.go index 60347cbe59c09..a53745e51f758 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -30,6 +30,7 @@ import ( "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" + "github.com/pingcap/tidb/ddl/placement" "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/kv" @@ -39,6 +40,7 @@ import ( "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/store/mockstore" "github.com/pingcap/tidb/table" + "github.com/pingcap/tidb/table/tables" "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/codec" @@ -8408,6 +8410,123 @@ func (s *testIntegrationSuite) TestIssue12209(c *C) { testkit.Rows("")) } +func (s *testIntegrationSuite) TestCrossDCQuery(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + + tk.MustExec(`create table t1 (c int primary key, d int,e int,index idx_d(d),index idx_e(e)) +PARTITION BY RANGE (c) ( + PARTITION p0 VALUES LESS THAN (6), + PARTITION p1 VALUES LESS THAN (11) +);`) + + tk.MustExec(`insert into t1 (c,d,e) values (1,1,1);`) + tk.MustExec(`insert into t1 (c,d,e) values (2,3,5);`) + tk.MustExec(`insert into t1 (c,d,e) values (3,5,7);`) + + bundles := make(map[string]*placement.Bundle) + is := s.dom.InfoSchema() + is.MockBundles(bundles) + + tb, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t1")) + c.Assert(err, IsNil) + setBundle := func(parName, dc string) { + pid, err := tables.FindPartitionByName(tb.Meta(), parName) + c.Assert(err, IsNil) + groupID := placement.GroupID(pid) + oldBundle := &placement.Bundle{ + ID: groupID, + Rules: []*placement.Rule{ + { + GroupID: groupID, + Role: placement.Leader, + Count: 1, + LabelConstraints: []placement.LabelConstraint{ + { + Key: placement.DCLabelKey, + Op: placement.In, + Values: []string{dc}, + }, + }, + }, + }, + } + bundles[groupID] = placement.BuildPlacementCopyBundle(oldBundle, pid) + } + setBundle("p0", "sh") + setBundle("p1", "bj") + + testcases := []struct { + name string + txnScope string + sql string + expectErr error + }{ + // FIXME: block by https://github.com/pingcap/tidb/issues/21872 + //{ + // name: "cross dc read to sh by holding bj, IndexReader", + // txnScope: "bj", + // sql: "select /*+ USE_INDEX(t1, idx_d) */ d from t1 where c < 5 and d < 1;", + // expectErr: fmt.Errorf(".*can not be read by.*"), + //}, + { + name: "cross dc read to sh by holding bj, IndexLookUp", + txnScope: "bj", + sql: "select * from t1 use index (idx_d) where c < 5 and d < 5;", + expectErr: fmt.Errorf(".*can not be read by.*"), + }, + { + name: "cross dc read to sh by holding bj, IndexMerge", + txnScope: "bj", + sql: "select /*+ USE_INDEX_MERGE(t1, idx_d, idx_e) */ * from t1 where c <5 and (d =5 or e=5);", + expectErr: fmt.Errorf(".*can not be read by.*"), + }, + { + name: "cross dc read to sh by holding bj, TableReader", + txnScope: "bj", + sql: "select * from t1 where c < 6", + expectErr: fmt.Errorf(".*can not be read by.*"), + }, + { + name: "cross dc read to global by holding bj", + txnScope: "bj", + sql: "select * from t1", + expectErr: fmt.Errorf(".*can not be read by.*"), + }, + { + name: "read sh dc by holding sh", + txnScope: "sh", + sql: "select * from t1 where c < 6", + expectErr: nil, + }, + { + name: "read sh dc by holding global", + txnScope: "global", + sql: "select * from t1 where c < 6", + expectErr: nil, + }, + } + for _, testcase := range testcases { + c.Log(testcase.name) + _, err = tk.Exec(fmt.Sprintf("set @@txn_scope='%v'", testcase.txnScope)) + c.Assert(err, IsNil) + res, err := tk.Exec(testcase.sql) + _, resErr := session.GetRows4Test(context.Background(), tk.Se, res) + var checkErr error + if err != nil { + checkErr = err + } else { + checkErr = resErr + } + if testcase.expectErr != nil { + c.Assert(checkErr, NotNil) + c.Assert(checkErr.Error(), Matches, ".*can not be read by.*") + } else { + c.Assert(checkErr, IsNil) + } + } +} + func (s *testIntegrationSerialSuite) TestCollationUnion(c *C) { // For issue 19694. tk := testkit.NewTestKit(c, s.store) diff --git a/infoschema/infoschema.go b/infoschema/infoschema.go index 46d955a5b9ac4..eb1a2d2f85426 100644 --- a/infoschema/infoschema.go +++ b/infoschema/infoschema.go @@ -396,6 +396,9 @@ func GetInfoSchemaBySessionVars(sessVar *variable.SessionVars) InfoSchema { is = snap.(InfoSchema) logutil.BgLogger().Info("use snapshot schema", zap.Uint64("conn", sessVar.ConnectionID), zap.Int64("schemaVersion", is.SchemaMetaVersion())) } else { + if sessVar.TxnCtx == nil || sessVar.TxnCtx.InfoSchema == nil { + return nil + } is = sessVar.TxnCtx.InfoSchema.(InfoSchema) } return is diff --git a/session/session_test.go b/session/session_test.go index fb7906731e1b4..11a8393274dae 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -3284,49 +3284,31 @@ PARTITION BY RANGE (c) ( is.MockBundles(bundles) tb, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t1")) c.Assert(err, IsNil) - partDefs := tb.Meta().GetPartitionInfo().Definitions - for _, def := range partDefs { - if def.Name.String() == "p0" { - groupID := placement.GroupID(def.ID) - bundles[groupID] = &placement.Bundle{ - ID: groupID, - Rules: []*placement.Rule{ - { - GroupID: groupID, - Role: placement.Leader, - Count: 1, - LabelConstraints: []placement.LabelConstraint{ - { - Key: placement.DCLabelKey, - Op: placement.In, - Values: []string{"dc-1"}, - }, - }, - }, - }, - } - } else if def.Name.String() == "p1" { - groupID := placement.GroupID(def.ID) - bundles[groupID] = &placement.Bundle{ - ID: groupID, - Rules: []*placement.Rule{ - { - GroupID: groupID, - Role: placement.Leader, - Count: 1, - LabelConstraints: []placement.LabelConstraint{ - { - Key: placement.DCLabelKey, - Op: placement.In, - Values: []string{"dc-2"}, - }, + setBundle := func(parName, dc string) { + pid, err := tables.FindPartitionByName(tb.Meta(), parName) + c.Assert(err, IsNil) + groupID := placement.GroupID(pid) + oldBundle := &placement.Bundle{ + ID: groupID, + Rules: []*placement.Rule{ + { + GroupID: groupID, + Role: placement.Leader, + Count: 1, + LabelConstraints: []placement.LabelConstraint{ + { + Key: placement.DCLabelKey, + Op: placement.In, + Values: []string{dc}, }, }, }, - } - + }, } + bundles[groupID] = placement.BuildPlacementCopyBundle(oldBundle, pid) } + setBundle("p0", "dc-1") + setBundle("p1", "dc-2") // set txn_scope to global tk.MustExec(fmt.Sprintf("set @@session.txn_scope = '%s';", oracle.GlobalTxnScope)) @@ -3358,41 +3340,35 @@ PARTITION BY RANGE (c) ( result.Check(testkit.Rows("dc-1")) // test local txn tk.MustExec("insert into t1 (c) values (1)") // in dc-1 with dc-1 scope - result = tk.MustQuery("select * from t1") - c.Assert(len(result.Rows()), Equals, 4) + result = tk.MustQuery("select * from t1 where c < 100") + c.Assert(len(result.Rows()), Equals, 3) tk.MustExec("begin") txn, err = tk.Se.Txn(true) c.Assert(err, IsNil) c.Assert(txn.GetUnionStore().GetOption(kv.TxnScope), Equals, "dc-1") c.Assert(txn.Valid(), IsTrue) tk.MustExec("insert into t1 (c) values (1)") // in dc-1 with dc-1 scope - result = tk.MustQuery("select * from t1") - c.Assert(len(result.Rows()), Equals, 5) + result = tk.MustQuery("select * from t1 where c < 100") + c.Assert(len(result.Rows()), Equals, 4) c.Assert(txn.Valid(), IsTrue) tk.MustExec("commit") - result = tk.MustQuery("select * from t1") - c.Assert(len(result.Rows()), Equals, 5) + result = tk.MustQuery("select * from t1 where c < 100") + c.Assert(len(result.Rows()), Equals, 4) // test wrong scope local txn _, err = tk.Exec("insert into t1 (c) values (101)") // in dc-2 with dc-1 scope c.Assert(err.Error(), Matches, ".*out of txn_scope.*") - result = tk.MustQuery("select * from t1") - c.Assert(len(result.Rows()), Equals, 5) + result = tk.MustQuery("select * from t1 where c < 100") + c.Assert(len(result.Rows()), Equals, 4) tk.MustExec("begin") txn, err = tk.Se.Txn(true) c.Assert(err, IsNil) c.Assert(txn.GetUnionStore().GetOption(kv.TxnScope), Equals, "dc-1") c.Assert(txn.Valid(), IsTrue) tk.MustExec("insert into t1 (c) values (101)") // in dc-2 with dc-1 scope - result = tk.MustQuery("select * from t1") - c.Assert(len(result.Rows()), Equals, 6) c.Assert(txn.Valid(), IsTrue) _, err = tk.Exec("commit") - result = tk.MustQuery("select * from t1") - c.Assert(len(result.Rows()), Equals, 5) c.Assert(err.Error(), Matches, ".*out of txn_scope.*") - result = tk.MustQuery("select * from t1") - c.Assert(len(result.Rows()), Equals, 5) } func (s *testSessionSuite2) TestSetEnableRateLimitAction(c *C) { diff --git a/util/mock/context.go b/util/mock/context.go index 6a23720cac247..f8ace752d97c6 100644 --- a/util/mock/context.go +++ b/util/mock/context.go @@ -57,6 +57,14 @@ func (txn *wrapTxn) Valid() bool { return txn.Transaction != nil && txn.Transaction.Valid() } +// GetUnionStore implements GetUnionStore +func (txn *wrapTxn) GetUnionStore() kv.UnionStore { + if txn.Transaction == nil { + return nil + } + return txn.Transaction.GetUnionStore() +} + // Execute implements sqlexec.SQLExecutor Execute interface. func (c *Context) Execute(ctx context.Context, sql string) ([]sqlexec.RecordSet, error) { return nil, errors.Errorf("Not Support.") From e573ed64a60ed4884520c0f54d9252a070ddcae8 Mon Sep 17 00:00:00 2001 From: lance6716 Date: Mon, 21 Dec 2020 16:07:31 +0800 Subject: [PATCH 0525/1021] bootstrap: add mysql.user columns for parser#1121 (#21856) --- session/bootstrap.go | 18 ++++++++++++++++-- session/bootstrap_test.go | 4 ++-- tests/globalkilltest/global_kill_test.go | 4 ++-- 3 files changed, 20 insertions(+), 6 deletions(-) diff --git a/session/bootstrap.go b/session/bootstrap.go index 9c913aef2da8c..dd5ae8b8bf941 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -80,7 +80,9 @@ const ( Reload_priv ENUM('N','Y') NOT NULL DEFAULT 'N', FILE_priv ENUM('N','Y') NOT NULL DEFAULT 'N', Config_priv ENUM('N','Y') NOT NULL DEFAULT 'N', - Create_Tablespace_Priv ENUM('N','Y') NOT NULL DEFAULT 'N', + Create_Tablespace_Priv ENUM('N','Y') NOT NULL DEFAULT 'N', + Repl_slave_priv ENUM('N','Y') NOT NULL DEFAULT 'N', + Repl_client_priv ENUM('N','Y') NOT NULL DEFAULT 'N', PRIMARY KEY (Host, User));` // CreateGlobalPrivTable is the SQL statement creates Global scope privilege table in system db. CreateGlobalPrivTable = "CREATE TABLE IF NOT EXISTS mysql.global_priv (" + @@ -440,6 +442,8 @@ const ( version56 = 56 // version57 fixes the bug of concurrent create / drop binding version57 = 57 + // version58 add `Repl_client_priv` and `Repl_slave_priv` to `mysql.user` + version58 = 58 ) var ( @@ -501,6 +505,7 @@ var ( upgradeToVer55, upgradeToVer56, upgradeToVer57, + upgradeToVer58, } ) @@ -1250,6 +1255,15 @@ func insertBuiltinBindInfoRow(s Session) { mustExecute(s, sql) } +func upgradeToVer58(s Session, ver int64) { + if ver >= version58 { + return + } + doReentrantDDL(s, "ALTER TABLE mysql.user ADD COLUMN `Repl_slave_priv` ENUM('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N' AFTER `Execute_priv`", infoschema.ErrColumnExists) + doReentrantDDL(s, "ALTER TABLE mysql.user ADD COLUMN `Repl_client_priv` ENUM('N','Y') CHARACTER SET utf8 NOT NULL DEFAULT 'N' AFTER `Repl_slave_priv`", infoschema.ErrColumnExists) + mustExecute(s, "UPDATE HIGH_PRIORITY mysql.user SET Repl_slave_priv='Y',Repl_client_priv='Y'") +} + func writeMemoryQuotaQuery(s Session) { comment := "memory_quota_query is 32GB by default in v3.0.x, 1GB by default in v4.0.x" sql := fmt.Sprintf(`INSERT HIGH_PRIORITY INTO %s.%s VALUES ("%s", '%d', '%s') ON DUPLICATE KEY UPDATE VARIABLE_VALUE='%d'`, @@ -1333,7 +1347,7 @@ func doDMLWorks(s Session) { // Insert a default user with empty password. mustExecute(s, `INSERT HIGH_PRIORITY INTO mysql.user VALUES - ("%", "root", "", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "N", "Y", "Y", "Y", "Y", "Y")`) + ("%", "root", "", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "N", "Y", "Y", "Y", "Y", "Y", "Y", "Y")`) // Init global system variables table. values := make([]string, 0, len(variable.GetSysVars())) diff --git a/session/bootstrap_test.go b/session/bootstrap_test.go index 9bcc842e54d97..27f7359920328 100644 --- a/session/bootstrap_test.go +++ b/session/bootstrap_test.go @@ -54,7 +54,7 @@ func (s *testBootstrapSuite) TestBootstrap(c *C) { c.Assert(err, IsNil) c.Assert(req.NumRows() == 0, IsFalse) datums := statistics.RowToDatums(req.GetRow(0), r.Fields()) - match(c, datums, `%`, "root", []byte(""), "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "N", "Y", "Y", "Y", "Y", "Y") + match(c, datums, `%`, "root", []byte(""), "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "N", "Y", "Y", "Y", "Y", "Y", "Y", "Y") c.Assert(se.Auth(&auth.UserIdentity{Username: "root", Hostname: "anyhost"}, []byte(""), []byte("")), IsTrue) mustExecSQL(c, se, "USE test;") @@ -159,7 +159,7 @@ func (s *testBootstrapSuite) TestBootstrapWithError(c *C) { c.Assert(req.NumRows() == 0, IsFalse) row := req.GetRow(0) datums := statistics.RowToDatums(row, r.Fields()) - match(c, datums, `%`, "root", []byte(""), "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "N", "Y", "Y", "Y", "Y", "Y") + match(c, datums, `%`, "root", []byte(""), "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "Y", "N", "Y", "Y", "Y", "Y", "Y", "Y", "Y") c.Assert(r.Close(), IsNil) mustExecSQL(c, se, "USE test;") diff --git a/tests/globalkilltest/global_kill_test.go b/tests/globalkilltest/global_kill_test.go index f314cac87298a..8576b4b3bdc72 100644 --- a/tests/globalkilltest/global_kill_test.go +++ b/tests/globalkilltest/global_kill_test.go @@ -118,7 +118,7 @@ func (s *TestGlobalKillSuite) startTiDBWithoutPD(port int, statusPort int) (cmd fmt.Sprintf("-P=%d", port), fmt.Sprintf("--status=%d", statusPort), fmt.Sprintf("--log-file=%s/tidb%d.log", *tmpPath, port)) - fmt.Sprintf("--config=%s", "./config.toml") + fmt.Sprintf("--config=%s", "./config.toml") log.Infof("starting tidb: %v", cmd) err = cmd.Start() if err != nil { @@ -136,7 +136,7 @@ func (s *TestGlobalKillSuite) startTiDBWithPD(port int, statusPort int, pdPath s fmt.Sprintf("-P=%d", port), fmt.Sprintf("--status=%d", statusPort), fmt.Sprintf("--log-file=%s/tidb%d.log", *tmpPath, port)) - fmt.Sprintf("--config=%s", "./config.toml") + fmt.Sprintf("--config=%s", "./config.toml") log.Infof("starting tidb: %v", cmd) err = cmd.Start() if err != nil { From f9092ad3fd8732b8f08494ad8180e7b82166d1f3 Mon Sep 17 00:00:00 2001 From: Zhuomin Liu Date: Mon, 21 Dec 2020 16:21:30 +0800 Subject: [PATCH 0526/1021] executor: generated column make overflow error as warning when no strict sql mode (#21879) Signed-off-by: lzmhhh123 --- executor/insert_common.go | 2 +- executor/write_test.go | 8 ++++++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/executor/insert_common.go b/executor/insert_common.go index d32498c5648d3..88c31937cf8d3 100644 --- a/executor/insert_common.go +++ b/executor/insert_common.go @@ -596,7 +596,7 @@ func (e *InsertValues) fillRow(ctx context.Context, row []types.Datum, hasValue for i, gCol := range gCols { colIdx := gCol.ColumnInfo.Offset val, err := e.GenExprs[i].Eval(chunk.MutRowFromDatums(row).ToRow()) - if e.handleErr(gCol, &val, 0, err) != nil { + if e.ctx.GetSessionVars().StmtCtx.HandleTruncate(err) != nil { return nil, err } row[colIdx], err = table.CastValue(e.ctx, val, gCol.ToInfo(), false, false) diff --git a/executor/write_test.go b/executor/write_test.go index 520d08df4542a..699e56ac46a58 100644 --- a/executor/write_test.go +++ b/executor/write_test.go @@ -1076,6 +1076,14 @@ func (s *testSuite2) TestGeneratedColumnForInsert(c *C) { tk.MustExec(`insert into t (k) values (1), (2)`) tk.MustExec(`replace into t (k) values (1), (2)`) tk.MustQuery(`select * from t`).Check(testkit.Rows("2 3 1", "3 4 2")) + + // For issue 14340 + tk.MustExec(`drop table if exists t1`) + tk.MustExec(`create table t1(f1 json, f2 real as (cast(f1 as decimal(2,1))))`) + tk.MustGetErrMsg(`INSERT INTO t1 (f1) VALUES (CAST(1000 AS JSON))`, "[types:1690]DECIMAL value is out of range in '(2, 1)'") + tk.MustExec(`set @@sql_mode = ''`) + tk.MustExec(`INSERT INTO t1 (f1) VALUES (CAST(1000 AS JSON))`) + tk.MustQuery(`select * from t1`).Check(testkit.Rows("1000 9.9")) } func (s *testSuite4) TestPartitionedTableReplace(c *C) { From 1265a115f6c207ae2d2fa9cf6bfe56e7c14bed7f Mon Sep 17 00:00:00 2001 From: Yuyang Date: Mon, 21 Dec 2020 17:07:00 +0800 Subject: [PATCH 0527/1021] chunk: fix min/max for enum/set is incompatible with MySQL (#21566) --- executor/aggfuncs/aggfunc_test.go | 4 +-- executor/aggfuncs/func_first_row_test.go | 14 ++++----- executor/aggfuncs/func_max_min.go | 8 ++--- executor/aggfuncs/func_max_min_test.go | 19 ++++++----- executor/executor_test.go | 40 ++++++++++++++++++++++++ planner/core/rule_max_min_eliminate.go | 7 +++++ 6 files changed, 69 insertions(+), 23 deletions(-) diff --git a/executor/aggfuncs/aggfunc_test.go b/executor/aggfuncs/aggfunc_test.go index d04ee889e4524..cc40c4273ad80 100644 --- a/executor/aggfuncs/aggfunc_test.go +++ b/executor/aggfuncs/aggfunc_test.go @@ -576,13 +576,13 @@ func getDataGenFunc(ft *types.FieldType) func(i int) types.Datum { case mysql.TypeJSON: return func(i int) types.Datum { return types.NewDatum(json.CreateBinary(int64(i))) } case mysql.TypeEnum: - elems := []string{"a", "b", "c", "d", "e"} + elems := []string{"e", "d", "c", "b", "a"} return func(i int) types.Datum { e, _ := types.ParseEnumValue(elems, uint64(i+1)) return types.NewCollateMysqlEnumDatum(e, ft.Collate) } case mysql.TypeSet: - elems := []string{"a", "b", "c", "d", "e"} + elems := []string{"e", "d", "c", "b", "a"} return func(i int) types.Datum { e, _ := types.ParseSetValue(elems, uint64(i+1)) return types.NewMysqlSetDatum(e, ft.Collate) diff --git a/executor/aggfuncs/func_first_row_test.go b/executor/aggfuncs/func_first_row_test.go index ef4ba12a9222a..03dc2e5da6729 100644 --- a/executor/aggfuncs/func_first_row_test.go +++ b/executor/aggfuncs/func_first_row_test.go @@ -27,12 +27,12 @@ import ( ) func (s *testSuite) TestMergePartialResult4FirstRow(c *C) { - elems := []string{"a", "b", "c", "d", "e"} - enumA, _ := types.ParseEnum(elems, "a", mysql.DefaultCollationName) - enumC, _ := types.ParseEnum(elems, "c", mysql.DefaultCollationName) + elems := []string{"e", "d", "c", "b", "a"} + enumC, _ := types.ParseEnumName(elems, "c", mysql.DefaultCollationName) + enumE, _ := types.ParseEnumName(elems, "e", mysql.DefaultCollationName) - setA, _ := types.ParseSet(elems, "a", mysql.DefaultCollationName) - setAB, _ := types.ParseSet(elems, "a,b", mysql.DefaultCollationName) + setED, _ := types.ParseSetName(elems, "e,d", mysql.DefaultCollationName) + setE, _ := types.ParseSetName(elems, "e", mysql.DefaultCollationName) tests := []aggTest{ buildAggTester(ast.AggFuncFirstRow, mysql.TypeLonglong, 5, 0, 2, 0), @@ -43,8 +43,8 @@ func (s *testSuite) TestMergePartialResult4FirstRow(c *C) { buildAggTester(ast.AggFuncFirstRow, mysql.TypeDate, 5, types.TimeFromDays(365), types.TimeFromDays(367), types.TimeFromDays(365)), buildAggTester(ast.AggFuncFirstRow, mysql.TypeDuration, 5, types.Duration{Duration: time.Duration(0)}, types.Duration{Duration: time.Duration(2)}, types.Duration{Duration: time.Duration(0)}), buildAggTester(ast.AggFuncFirstRow, mysql.TypeJSON, 5, json.CreateBinary(int64(0)), json.CreateBinary(int64(2)), json.CreateBinary(int64(0))), - buildAggTester(ast.AggFuncFirstRow, mysql.TypeEnum, 5, enumA, enumC, enumA), - buildAggTester(ast.AggFuncFirstRow, mysql.TypeSet, 5, setA, setAB, setA), + buildAggTester(ast.AggFuncFirstRow, mysql.TypeEnum, 5, enumE, enumC, enumE), + buildAggTester(ast.AggFuncFirstRow, mysql.TypeSet, 5, setE, setED, setE), } for _, test := range tests { s.testMergePartialResult(c, test) diff --git a/executor/aggfuncs/func_max_min.go b/executor/aggfuncs/func_max_min.go index e1ac741ae4ce3..07e2e9eadca28 100644 --- a/executor/aggfuncs/func_max_min.go +++ b/executor/aggfuncs/func_max_min.go @@ -1360,7 +1360,7 @@ func (e *maxMin4Enum) UpdatePartialResult(sctx sessionctx.Context, rowsInGroup [ continue } en := d.GetMysqlEnum() - if e.isMax && en.Value > p.val.Value || !e.isMax && en.Value < p.val.Value { + if e.isMax && en.Name > p.val.Name || !e.isMax && en.Name < p.val.Name { oldMem := len(p.val.Name) newMem := len(en.Name) memDelta += int64(newMem - oldMem) @@ -1379,7 +1379,7 @@ func (e *maxMin4Enum) MergePartialResult(sctx sessionctx.Context, src, dst Parti *p2 = *p1 return 0, nil } - if e.isMax && p1.val.Value > p2.val.Value || !e.isMax && p1.val.Value < p2.val.Value { + if e.isMax && p1.val.Name > p2.val.Name || !e.isMax && p1.val.Name < p2.val.Name { p2.val, p2.isNull = p1.val, false } return 0, nil @@ -1427,7 +1427,7 @@ func (e *maxMin4Set) UpdatePartialResult(sctx sessionctx.Context, rowsInGroup [] continue } s := d.GetMysqlSet() - if e.isMax && s.Value > p.val.Value || !e.isMax && s.Value < p.val.Value { + if e.isMax && s.Name > p.val.Name || !e.isMax && s.Name < p.val.Name { oldMem := len(p.val.Name) newMem := len(s.Name) memDelta += int64(newMem - oldMem) @@ -1446,7 +1446,7 @@ func (e *maxMin4Set) MergePartialResult(sctx sessionctx.Context, src, dst Partia *p2 = *p1 return 0, nil } - if e.isMax && p1.val.Value > p2.val.Value || !e.isMax && p1.val.Value < p2.val.Value { + if e.isMax && p1.val.Name > p2.val.Name || !e.isMax && p1.val.Name < p2.val.Name { p2.val, p2.isNull = p1.val, false } return 0, nil diff --git a/executor/aggfuncs/func_max_min_test.go b/executor/aggfuncs/func_max_min_test.go index 2de17444af1e8..98406b8722a4b 100644 --- a/executor/aggfuncs/func_max_min_test.go +++ b/executor/aggfuncs/func_max_min_test.go @@ -66,7 +66,7 @@ func maxMinUpdateMemDeltaGens(srcChk *chunk.Chunk, dataType *types.FieldType, is if i == 0 { memDeltas[i] = int64(len(curVal.Name)) preEnumVal = curVal - } else if isMax && curVal.Value > preEnumVal.Value || !isMax && curVal.Value < preEnumVal.Value { + } else if isMax && curVal.Name > preEnumVal.Name || !isMax && curVal.Name < preEnumVal.Name { memDeltas[i] = int64(len(curVal.Name)) - int64(len(preEnumVal.Name)) preEnumVal = curVal } @@ -75,7 +75,7 @@ func maxMinUpdateMemDeltaGens(srcChk *chunk.Chunk, dataType *types.FieldType, is if i == 0 { memDeltas[i] = int64(len(curVal.Name)) preSetVal = curVal - } else if isMax && curVal.Value > preSetVal.Value || !isMax && curVal.Value < preSetVal.Value { + } else if isMax && curVal.Name > preSetVal.Name || !isMax && curVal.Name < preSetVal.Name { memDeltas[i] = int64(len(curVal.Name)) - int64(len(preSetVal.Name)) preSetVal = curVal } @@ -93,14 +93,13 @@ func minUpdateMemDeltaGens(srcChk *chunk.Chunk, dataType *types.FieldType) (memD } func (s *testSuite) TestMergePartialResult4MaxMin(c *C) { - elems := []string{"a", "b", "c", "d", "e"} + elems := []string{"e", "d", "c", "b", "a"} enumA, _ := types.ParseEnum(elems, "a", mysql.DefaultCollationName) enumC, _ := types.ParseEnum(elems, "c", mysql.DefaultCollationName) enumE, _ := types.ParseEnum(elems, "e", mysql.DefaultCollationName) - setA, _ := types.ParseSet(elems, "a", mysql.DefaultCollationName) // setA.Value == 1 - setAB, _ := types.ParseSet(elems, "a,b", mysql.DefaultCollationName) // setAB.Value == 3 - setAC, _ := types.ParseSet(elems, "a,c", mysql.DefaultCollationName) // setAC.Value == 5 + setC, _ := types.ParseSet(elems, "c", mysql.DefaultCollationName) // setC.Value == 4 + setED, _ := types.ParseSet(elems, "e,d", mysql.DefaultCollationName) // setED.Value == 3 unsignedType := types.NewFieldType(mysql.TypeLonglong) unsignedType.Flag |= mysql.UnsignedFlag @@ -114,8 +113,8 @@ func (s *testSuite) TestMergePartialResult4MaxMin(c *C) { buildAggTester(ast.AggFuncMax, mysql.TypeDate, 5, types.TimeFromDays(369), types.TimeFromDays(369), types.TimeFromDays(369)), buildAggTester(ast.AggFuncMax, mysql.TypeDuration, 5, types.Duration{Duration: time.Duration(4)}, types.Duration{Duration: time.Duration(4)}, types.Duration{Duration: time.Duration(4)}), buildAggTester(ast.AggFuncMax, mysql.TypeJSON, 5, json.CreateBinary(int64(4)), json.CreateBinary(int64(4)), json.CreateBinary(int64(4))), - buildAggTester(ast.AggFuncMax, mysql.TypeEnum, 5, enumE, enumE, enumE), - buildAggTester(ast.AggFuncMax, mysql.TypeSet, 5, setAC, setAC, setAC), + buildAggTester(ast.AggFuncMax, mysql.TypeEnum, 5, enumE, enumC, enumE), + buildAggTester(ast.AggFuncMax, mysql.TypeSet, 5, setED, setED, setED), buildAggTester(ast.AggFuncMin, mysql.TypeLonglong, 5, 0, 2, 0), buildAggTesterWithFieldType(ast.AggFuncMin, unsignedType, 5, 0, 2, 0), @@ -126,8 +125,8 @@ func (s *testSuite) TestMergePartialResult4MaxMin(c *C) { buildAggTester(ast.AggFuncMin, mysql.TypeDate, 5, types.TimeFromDays(365), types.TimeFromDays(367), types.TimeFromDays(365)), buildAggTester(ast.AggFuncMin, mysql.TypeDuration, 5, types.Duration{Duration: time.Duration(0)}, types.Duration{Duration: time.Duration(2)}, types.Duration{Duration: time.Duration(0)}), buildAggTester(ast.AggFuncMin, mysql.TypeJSON, 5, json.CreateBinary(int64(0)), json.CreateBinary(int64(2)), json.CreateBinary(int64(0))), - buildAggTester(ast.AggFuncMin, mysql.TypeEnum, 5, enumA, enumC, enumA), - buildAggTester(ast.AggFuncMin, mysql.TypeSet, 5, setA, setAB, setA), + buildAggTester(ast.AggFuncMin, mysql.TypeEnum, 5, enumA, enumA, enumA), + buildAggTester(ast.AggFuncMin, mysql.TypeSet, 5, setC, setC, setC), } for _, test := range tests { s.testMergePartialResult(c, test) diff --git a/executor/executor_test.go b/executor/executor_test.go index d6df3e1c53ace..1d825e71037db 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -7268,6 +7268,46 @@ func (s *testSuite) Test12201(c *C) { tk.MustQuery("select * from e where case 1 when e then e end").Check(testkit.Rows("a")) } +func (s *testSuite) TestIssue21451(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (en enum('c', 'b', 'a'));") + tk.MustExec("insert into t values ('a'), ('b'), ('c');") + tk.MustQuery("select max(en) from t;").Check(testkit.Rows("c")) + tk.MustQuery("select min(en) from t;").Check(testkit.Rows("a")) + tk.MustQuery("select * from t order by en;").Check(testkit.Rows("c", "b", "a")) + + tk.MustExec("drop table t") + tk.MustExec("create table t(s set('c', 'b', 'a'));") + tk.MustExec("insert into t values ('a'), ('b'), ('c');") + tk.MustQuery("select max(s) from t;").Check(testkit.Rows("c")) + tk.MustQuery("select min(s) from t;").Check(testkit.Rows("a")) + + tk.MustExec("drop table t") + tk.MustExec("create table t(id int, en enum('c', 'b', 'a'))") + tk.MustExec("insert into t values (1, 'a'),(2, 'b'), (3, 'c'), (1, 'c');") + tk.MustQuery("select id, max(en) from t where id=1 group by id;").Check(testkit.Rows("1 c")) + tk.MustQuery("select id, min(en) from t where id=1 group by id;").Check(testkit.Rows("1 a")) + tk.MustExec("drop table t") + + tk.MustExec("create table t(id int, s set('c', 'b', 'a'));") + tk.MustExec("insert into t values (1, 'a'),(2, 'b'), (3, 'c'), (1, 'c');") + tk.MustQuery("select id, max(s) from t where id=1 group by id;").Check(testkit.Rows("1 c")) + tk.MustQuery("select id, min(s) from t where id=1 group by id;").Check(testkit.Rows("1 a")) + + tk.MustExec("drop table t") + tk.MustExec("create table t(e enum('e','d','c','b','a'))") + tk.MustExec("insert into t values ('e'),('d'),('c'),('b'),('a');") + tk.MustQuery("select * from t order by e limit 1;").Check(testkit.Rows("e")) + + tk.MustExec("drop table t") + tk.MustExec("create table t(s set('e', 'd', 'c', 'b', 'a'))") + tk.MustExec("insert into t values ('e'),('d'),('c'),('b'),('a');") + tk.MustQuery("select * from t order by s limit 1;").Check(testkit.Rows("e")) + tk.MustExec("drop table t") +} + func (s *testSuite) TestIssue15563(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustQuery("select distinct 0.7544678906163867 / 0.68234634;").Check(testkit.Rows("1.10569639842486251190")) diff --git a/planner/core/rule_max_min_eliminate.go b/planner/core/rule_max_min_eliminate.go index 29619f083b6eb..b50c1129d0f49 100644 --- a/planner/core/rule_max_min_eliminate.go +++ b/planner/core/rule_max_min_eliminate.go @@ -210,6 +210,13 @@ func (a *maxMinEliminator) eliminateMaxMin(p LogicalPlan) LogicalPlan { return agg } } + // Limit+Sort operators are sorted by value, but ENUM/SET field types are sorted by name. + cols := agg.GetUsedCols() + for _, col := range cols { + if col.RetType.Tp == mysql.TypeEnum || col.RetType.Tp == mysql.TypeSet { + return agg + } + } if len(agg.AggFuncs) == 1 { // If there is only one aggFunc, we don't need to guarantee that the child of it is a data // source, or whether the sort can be eliminated. This transformation won't be worse than previous. From e8fb3eab2c2a3632096f01fbd0277eb5dc8295ba Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=AC=A7=E5=86=B0?= <32380374+ou-bing@users.noreply.github.com> Date: Mon, 21 Dec 2020 17:51:31 +0800 Subject: [PATCH 0528/1021] expression: modify the mean result of time type (#21514) --- expression/aggregation/base_func.go | 3 +++ expression/integration_test.go | 12 ++++++++++++ 2 files changed, 15 insertions(+) diff --git a/expression/aggregation/base_func.go b/expression/aggregation/base_func.go index 746f786d904cc..98011197cbed7 100644 --- a/expression/aggregation/base_func.go +++ b/expression/aggregation/base_func.go @@ -223,6 +223,9 @@ func (a *baseFuncDesc) typeInfer4Avg(ctx sessionctx.Context) { case mysql.TypeDouble, mysql.TypeFloat: a.RetTp = types.NewFieldType(mysql.TypeDouble) a.RetTp.Flen, a.RetTp.Decimal = mysql.MaxRealWidth, a.Args[0].GetType().Decimal + case mysql.TypeDate, mysql.TypeDuration, mysql.TypeDatetime, mysql.TypeTimestamp: + a.RetTp = types.NewFieldType(mysql.TypeDouble) + a.RetTp.Flen, a.RetTp.Decimal = mysql.MaxRealWidth, 4 default: a.RetTp = types.NewFieldType(mysql.TypeDouble) a.RetTp.Flen, a.RetTp.Decimal = mysql.MaxRealWidth, types.UnspecifiedLength diff --git a/expression/integration_test.go b/expression/integration_test.go index a53745e51f758..afb904b48bd8a 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -8350,6 +8350,18 @@ func (s *testIntegrationSerialSuite) TestIssue20876(c *C) { tk.MustQuery("select * from t where a='#';").Check(testkit.Rows("# C 10")) } +// The actual results do not agree with the test results, It should be modified after the test suite is updated +func (s *testIntegrationSuite) TestIssue17726(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t0") + tk.MustExec("create table t0 (c1 DATE, c2 TIME, c3 DATETIME, c4 TIMESTAMP)") + tk.MustExec("insert into t0 values ('1000-01-01', '-838:59:59', '1000-01-01 00:00:00', '1970-01-01 08:00:01')") + tk.MustExec("insert into t0 values ('9999-12-31', '838:59:59', '9999-12-31 23:59:59', '2038-01-19 11:14:07')") + result := tk.MustQuery("select avg(c1), avg(c2), avg(c3), avg(c4) from t0") + result.Check(testkit.Rows("54995666 0 54995666117979.5 20040110095704")) +} + func (s *testIntegrationSuite) TestIssue12205(c *C) { tk := testkit.NewTestKit(c, s.store) From 0bffd79fe9099f4a57b7fbe66c8812fb0b26f050 Mon Sep 17 00:00:00 2001 From: Name1e5s Date: Tue, 22 Dec 2020 10:35:09 +0800 Subject: [PATCH 0529/1021] *: update gopsutil dependency to fix build on freebsd (#21687) --- go.mod | 2 +- go.sum | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/go.mod b/go.mod index 5d5735b782b12..f5e8e39c2a34a 100644 --- a/go.mod +++ b/go.mod @@ -55,7 +55,7 @@ require ( github.com/prometheus/client_golang v1.5.1 github.com/prometheus/client_model v0.2.0 github.com/prometheus/common v0.9.1 - github.com/shirou/gopsutil v2.20.3+incompatible + github.com/shirou/gopsutil v2.20.6+incompatible github.com/sirupsen/logrus v1.6.0 github.com/soheilhy/cmux v0.1.4 github.com/stretchr/testify v1.6.1 // indirect diff --git a/go.sum b/go.sum index 960ac4fbd8bae..002eeb21f5dfe 100644 --- a/go.sum +++ b/go.sum @@ -785,6 +785,8 @@ github.com/sergi/go-diff v1.0.1-0.20180205163309-da645544ed44/go.mod h1:0CfEIISq github.com/shirou/gopsutil v2.19.10+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA= github.com/shirou/gopsutil v2.20.3+incompatible h1:0JVooMPsT7A7HqEYdydp/OfjSOYSjhXV7w1hkKj/NPQ= github.com/shirou/gopsutil v2.20.3+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA= +github.com/shirou/gopsutil v2.20.6+incompatible h1:P37G9YH8M4vqkKcwBosp+URN5O8Tay67D2MbR361ioY= +github.com/shirou/gopsutil v2.20.6+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA= github.com/shirou/w32 v0.0.0-20160930032740-bb4de0191aa4/go.mod h1:qsXQc7+bwAM3Q1u/4XEfrquwF8Lw7D7y5cD8CuHnfIc= github.com/shopspring/decimal v0.0.0-20180709203117-cd690d0c9e24/go.mod h1:M+9NzErvs504Cn4c5DxATwIqPbtswREoFCre64PpcG4= github.com/shopspring/decimal v0.0.0-20191125035519-b054a8dfd10d/go.mod h1:M+9NzErvs504Cn4c5DxATwIqPbtswREoFCre64PpcG4= From 32d8cad845d6ad2f5465f233b46244657918db6f Mon Sep 17 00:00:00 2001 From: Zhuomin Liu Date: Tue, 22 Dec 2020 11:27:02 +0800 Subject: [PATCH 0530/1021] server: double type column from table should ignore its decimal (#21788) Signed-off-by: lzmhhh123 --- cmd/explaintest/r/select.result | 15 +++++++++++++++ cmd/explaintest/t/select.test | 15 +++++++++++++++ server/util.go | 4 ++-- 3 files changed, 32 insertions(+), 2 deletions(-) diff --git a/cmd/explaintest/r/select.result b/cmd/explaintest/r/select.result index 25e6695818f1e..35e45ec95028d 100644 --- a/cmd/explaintest/r/select.result +++ b/cmd/explaintest/r/select.result @@ -472,3 +472,18 @@ Projection_7 10000.00 root minus(Column#5, test.t.x)->Column#7 └─Sort_11 10000.00 root test.t.i └─TableReader_10 10000.00 root data:TableRangeScan_9 └─TableRangeScan_9 10000.00 cop[tikv] table:t range:[0,+inf], keep order:false, stats:pseudo +create table precise_types ( +a BIGINT UNSIGNED NOT NULL, +b BIGINT NOT NULL, +c DECIMAL(21,1) NOT NULL, +d DOUBLE(21,1) NOT NULL +); +insert into precise_types values ( +18446744073709551614, +-9223372036854775806, +99999999999999999999, +18446744073709551614 +); +SELECT a, b, c, d FROM precise_types; +a b c d +18446744073709551614 -9223372036854775806 99999999999999999999.0 1.8446744073709552e19 diff --git a/cmd/explaintest/t/select.test b/cmd/explaintest/t/select.test index 79284b70dcc77..1b02de574b068 100644 --- a/cmd/explaintest/t/select.test +++ b/cmd/explaintest/t/select.test @@ -229,3 +229,18 @@ CREATE TABLE t (id int(10) unsigned NOT NULL AUTO_INCREMENT, PRIMARY KEY (`id`) ); explain select row_number() over( partition by i ) - x as rnk from t; + +# for issue 21692 +create table precise_types ( + a BIGINT UNSIGNED NOT NULL, + b BIGINT NOT NULL, + c DECIMAL(21,1) NOT NULL, + d DOUBLE(21,1) NOT NULL +); +insert into precise_types values ( + 18446744073709551614, + -9223372036854775806, + 99999999999999999999, + 18446744073709551614 +); +SELECT a, b, c, d FROM precise_types; diff --git a/server/util.go b/server/util.go index 27d739c83043f..561f352513a9d 100644 --- a/server/util.go +++ b/server/util.go @@ -308,14 +308,14 @@ func dumpTextRow(buffer []byte, columns []*ColumnInfo, row chunk.Row) ([]byte, e buffer = dumpLengthEncodedString(buffer, tmp) case mysql.TypeFloat: prec := -1 - if columns[i].Decimal > 0 && int(col.Decimal) != mysql.NotFixedDec { + if columns[i].Decimal > 0 && int(col.Decimal) != mysql.NotFixedDec && col.Table == "" { prec = int(col.Decimal) } tmp = appendFormatFloat(tmp[:0], float64(row.GetFloat32(i)), prec, 32) buffer = dumpLengthEncodedString(buffer, tmp) case mysql.TypeDouble: prec := types.UnspecifiedLength - if col.Decimal > 0 && int(col.Decimal) != mysql.NotFixedDec { + if col.Decimal > 0 && int(col.Decimal) != mysql.NotFixedDec && col.Table == "" { prec = int(col.Decimal) } tmp = appendFormatFloat(tmp[:0], row.GetFloat64(i), prec, 64) From cf806f60e4a4c6a257f439a8b7cf0e051839cc7a Mon Sep 17 00:00:00 2001 From: Yifan Xu <30385241+xuyifangreeneyes@users.noreply.github.com> Date: Tue, 22 Dec 2020 00:07:54 -0600 Subject: [PATCH 0531/1021] util/ranger: convert range condition like `x >= 2 and x <= 2` to point condition `x = 2` (#21809) --- cmd/explaintest/r/partition_pruning.result | 6 +- planner/core/integration_test.go | 38 +++++ .../core/testdata/integration_suite_in.json | 9 ++ .../core/testdata/integration_suite_out.json | 37 +++++ planner/core/testdata/plan_suite_out.json | 4 +- util/ranger/detacher.go | 141 ++++++++++++++++-- 6 files changed, 220 insertions(+), 15 deletions(-) diff --git a/cmd/explaintest/r/partition_pruning.result b/cmd/explaintest/r/partition_pruning.result index fd5930d18ae1b..21874c477253b 100644 --- a/cmd/explaintest/r/partition_pruning.result +++ b/cmd/explaintest/r/partition_pruning.result @@ -2172,9 +2172,9 @@ IndexLookUp_10 250.00 root partition:all └─TableRowIDScan_9(Probe) 250.00 cop[tikv] table:t2 keep order:false, stats:pseudo explain select * from t2 where b > 5 and b < 7; id estRows task access object operator info -IndexLookUp_10 250.00 root partition:all -├─IndexRangeScan_8(Build) 250.00 cop[tikv] table:t2, index:b(b) range:(5,7), keep order:false, stats:pseudo -└─TableRowIDScan_9(Probe) 250.00 cop[tikv] table:t2 keep order:false, stats:pseudo +IndexLookUp_10 312.50 root partition:all +├─IndexRangeScan_8(Build) 312.50 cop[tikv] table:t2, index:b(b) range:[6,6], keep order:false, stats:pseudo +└─TableRowIDScan_9(Probe) 312.50 cop[tikv] table:t2 keep order:false, stats:pseudo explain select * from t2 where b > 0 and b < 5; id estRows task access object operator info IndexLookUp_10 250.00 root partition:all diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 2c0bd3b097104..ab15ce17411ef 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -2174,3 +2174,41 @@ func (s *testIntegrationSuite) TestNonaggregateColumnWithSingleValueInOnlyFullGr tk.MustGetErrMsg("select a from t where a = 1 order by count(b)", "[planner:3029]Expression #1 of ORDER BY contains aggregate function and applies to the result of a non-aggregated query") tk.MustQuery("select a from t where a = 1 having count(b) > 0").Check(testkit.Rows("1")) } + +func (s *testIntegrationSuite) TestConvertRangeToPoint(c *C) { + tk := testkit.NewTestKit(c, s.store) + + tk.MustExec("use test") + tk.MustExec("drop table if exists t0") + tk.MustExec("create table t0 (a int, b int, index(a, b))") + tk.MustExec("insert into t0 values (1, 1)") + tk.MustExec("insert into t0 values (2, 2)") + tk.MustExec("insert into t0 values (2, 2)") + tk.MustExec("insert into t0 values (2, 2)") + tk.MustExec("insert into t0 values (2, 2)") + tk.MustExec("insert into t0 values (2, 2)") + tk.MustExec("insert into t0 values (3, 3)") + + tk.MustExec("drop table if exists t1") + tk.MustExec("create table t1 (a int, b int, c int, index(a, b, c))") + + tk.MustExec("drop table if exists t2") + tk.MustExec("create table t2 (a float, b float, index(a, b))") + + tk.MustExec("drop table if exists t3") + tk.MustExec("create table t3 (a char(10), b char(10), c char(10), index(a, b, c))") + + var input []string + var output []struct { + SQL string + Plan []string + } + s.testData.GetTestCases(c, &input, &output) + for i, tt := range input { + s.testData.OnRecord(func() { + output[i].SQL = tt + output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows()) + }) + tk.MustQuery(tt).Check(testkit.Rows(output[i].Plan...)) + } +} diff --git a/planner/core/testdata/integration_suite_in.json b/planner/core/testdata/integration_suite_in.json index 918c70e7830fd..4525e01818612 100644 --- a/planner/core/testdata/integration_suite_in.json +++ b/planner/core/testdata/integration_suite_in.json @@ -233,5 +233,14 @@ "select approx_percentile(a, 10*10) from t", "select approx_percentile(a, 50) from t group by b order by b" ] + }, + { + "name": "TestConvertRangeToPoint", + "cases": [ + "explain select * from t0 where a > 1 and a < 3 order by b limit 2", + "explain select * from t1 where a >= 2 and a <= 2 and b = 2 and c > 2", + "explain select * from t2 where a >= 2.5 and a <= 2.5 order by b limit 2", + "explain select * from t3 where a >= 'a' and a <= 'a' and b = 'b' and c > 'c'" + ] } ] diff --git a/planner/core/testdata/integration_suite_out.json b/planner/core/testdata/integration_suite_out.json index 9243534ef3042..caa9ef14acc03 100644 --- a/planner/core/testdata/integration_suite_out.json +++ b/planner/core/testdata/integration_suite_out.json @@ -1311,5 +1311,42 @@ ] } ] + }, + { + "Name": "TestConvertRangeToPoint", + "Cases": [ + { + "SQL": "explain select * from t0 where a > 1 and a < 3 order by b limit 2", + "Plan": [ + "Limit_11 2.00 root offset:0, count:2", + "└─IndexReader_21 2.00 root index:Limit_20", + " └─Limit_20 2.00 cop[tikv] offset:0, count:2", + " └─IndexRangeScan_19 2.50 cop[tikv] table:t0, index:a(a, b) range:[2,2], keep order:true, stats:pseudo" + ] + }, + { + "SQL": "explain select * from t1 where a >= 2 and a <= 2 and b = 2 and c > 2", + "Plan": [ + "IndexReader_6 0.33 root index:IndexRangeScan_5", + "└─IndexRangeScan_5 0.33 cop[tikv] table:t1, index:a(a, b, c) range:(2 2 2,2 2 +inf], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "explain select * from t2 where a >= 2.5 and a <= 2.5 order by b limit 2", + "Plan": [ + "Limit_11 2.00 root offset:0, count:2", + "└─IndexReader_21 2.00 root index:Limit_20", + " └─Limit_20 2.00 cop[tikv] offset:0, count:2", + " └─IndexRangeScan_19 2.00 cop[tikv] table:t2, index:a(a, b) range:[2.5,2.5], keep order:true, stats:pseudo" + ] + }, + { + "SQL": "explain select * from t3 where a >= 'a' and a <= 'a' and b = 'b' and c > 'c'", + "Plan": [ + "IndexReader_6 0.33 root index:IndexRangeScan_5", + "└─IndexRangeScan_5 0.33 cop[tikv] table:t3, index:a(a, b, c) range:(\"a\" \"b\" \"c\",\"a\" \"b\" +inf], keep order:false, stats:pseudo" + ] + } + ] } ] diff --git a/planner/core/testdata/plan_suite_out.json b/planner/core/testdata/plan_suite_out.json index 5bc03c8308576..abb9c760d7709 100644 --- a/planner/core/testdata/plan_suite_out.json +++ b/planner/core/testdata/plan_suite_out.json @@ -261,7 +261,7 @@ }, { "SQL": "select * from t where (t.c > 0 and t.c < 2) or (t.c > 4 and t.c < 6) or (t.c > 8 and t.c < 10) or (t.c > 12 and t.c < 14) or (t.c > 16 and t.c < 18)", - "Best": "IndexLookUp(Index(t.c_d_e)[(0,2) (4,6) (8,10) (12,14) (16,18)], Table(t))" + "Best": "IndexLookUp(Index(t.c_d_e)[[1,1] [5,5] [9,9] [13,13] [17,17]], Table(t))" }, { "SQL": "select * from t where (t.c > 0 and t.c < 1) or (t.c > 2 and t.c < 3) or (t.c > 4 and t.c < 5) or (t.c > 6 and t.c < 7) or (t.c > 9 and t.c < 10)", @@ -971,7 +971,7 @@ }, { "SQL": "select a from t where c in (1, 2, 3) and (d > 2 and d < 4 or d > 5 and d < 7)", - "Best": "IndexReader(Index(t.c_d_e)[(1 2,1 4) (1 5,1 7) (2 2,2 4) (2 5,2 7) (3 2,3 4) (3 5,3 7)])->Projection" + "Best": "IndexReader(Index(t.c_d_e)[[1 3,1 3] [1 6,1 6] [2 3,2 3] [2 6,2 6] [3 3,3 3] [3 6,3 6]])->Projection" }, { "SQL": "select a from t where c in (1, 2, 3)", diff --git a/util/ranger/detacher.go b/util/ranger/detacher.go index 51fc68f1615b2..4ff50a5c8a377 100644 --- a/util/ranger/detacher.go +++ b/util/ranger/detacher.go @@ -14,11 +14,14 @@ package ranger import ( + "math" + "github.com/pingcap/errors" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/model" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/collate" @@ -90,10 +93,11 @@ func detachColumnDNFConditions(sctx sessionctx.Context, conditions []expression. return accessConditions, hasResidualConditions } -// getEqOrInColOffset checks if the expression is a eq function that one side is constant and another is column or an +// getPotentialEqOrInColOffset checks if the expression is a eq/le/ge/lt/gt function that one side is constant and another is column or an // in function which is `column in (constant list)`. // If so, it will return the offset of this column in the slice, otherwise return -1 for not found. -func getEqOrInColOffset(expr expression.Expression, cols []*expression.Column) int { +// Since combining `x >= 2` and `x <= 2` can lead to an eq condition `x = 2`, we take le/ge/lt/gt into consideration. +func getPotentialEqOrInColOffset(expr expression.Expression, cols []*expression.Column) int { f, ok := expr.(*expression.ScalarFunction) if !ok { return -1 @@ -104,7 +108,7 @@ func getEqOrInColOffset(expr expression.Expression, cols []*expression.Column) i dnfItems := expression.FlattenDNFConditions(f) offset := int(-1) for _, dnfItem := range dnfItems { - curOffset := getEqOrInColOffset(dnfItem, cols) + curOffset := getPotentialEqOrInColOffset(dnfItem, cols) if curOffset == -1 { return -1 } @@ -114,11 +118,14 @@ func getEqOrInColOffset(expr expression.Expression, cols []*expression.Column) i offset = curOffset } return offset - case ast.EQ, ast.NullEQ: + case ast.EQ, ast.NullEQ, ast.LE, ast.GE, ast.LT, ast.GT: if c, ok := f.GetArgs()[0].(*expression.Column); ok { if c.RetType.EvalType() == types.ETString && !collate.CompatibleCollate(c.RetType.Collate, collation) { return -1 } + if (f.FuncName.L == ast.LT || f.FuncName.L == ast.GT) && c.RetType.EvalType() != types.ETInt { + return -1 + } if constVal, ok := f.GetArgs()[1].(*expression.Constant); ok { val, err := constVal.Eval(chunk.Row{}) if err != nil || val.IsNull() { @@ -137,6 +144,9 @@ func getEqOrInColOffset(expr expression.Expression, cols []*expression.Column) i if c.RetType.EvalType() == types.ETString && !collate.CompatibleCollate(c.RetType.Collate, collation) { return -1 } + if (f.FuncName.L == ast.LT || f.FuncName.L == ast.GT) && c.RetType.EvalType() != types.ETInt { + return -1 + } if constVal, ok := f.GetArgs()[0].(*expression.Constant); ok { val, err := constVal.Eval(chunk.Row{}) if err != nil || val.IsNull() { @@ -345,6 +355,97 @@ func (d *rangeDetacher) detachCNFCondAndBuildRangeForIndex(conditions []expressi return res, nil } +// excludeToIncludeForIntPoint converts `(i` to `[i+1` and `i)` to `i-1]` if `i` is integer. +// For example, if p is `(3`, i.e., point { value: int(3), excl: true, start: true }, it is equal to `[4`, i.e., point { value: int(4), excl: false, start: true }. +// Similarly, if p is `8)`, i.e., point { value: int(8), excl: true, start: false}, it is equal to `7]`, i.e., point { value: int(7), excl: false, start: false }. +// If return value is nil, it means p is unsatisfiable. For example, `(MaxInt64` is unsatisfiable. +func excludeToIncludeForIntPoint(p *point) *point { + if !p.excl { + return p + } + if p.value.Kind() == types.KindInt64 { + val := p.value.GetInt64() + if p.start { + if val == math.MaxInt64 { + return nil + } + p.value.SetInt64(val + 1) + p.excl = false + } else { + if val == math.MinInt64 { + return nil + } + p.value.SetInt64(val - 1) + p.excl = false + } + } else if p.value.Kind() == types.KindUint64 { + val := p.value.GetUint64() + if p.start { + if val == math.MaxUint64 { + return nil + } + p.value.SetUint64(val + 1) + p.excl = false + } else { + if val == 0 { + return nil + } + p.value.SetUint64(val - 1) + p.excl = false + } + } + return p +} + +// If there exists an interval whose length is large than 0, return nil. Otherwise remove all unsatisfiable intervals +// and return array of single point intervals. +func allSinglePoints(sc *stmtctx.StatementContext, points []point) []point { + pos := 0 + for i := 0; i < len(points); i += 2 { + // Remove unsatisfiable interval. For example, (MaxInt64, +inf) and (-inf, MinInt64) is unsatisfiable. + left := excludeToIncludeForIntPoint(&points[i]) + if left == nil { + continue + } + right := excludeToIncludeForIntPoint(&points[i+1]) + if right == nil { + continue + } + // If interval is not a single point, just return nil. + if !left.start || right.start || left.excl || right.excl { + return nil + } + cmp, err := left.value.CompareDatum(sc, &right.value) + if err != nil || cmp != 0 { + return nil + } + // If interval is a single point, add it back to array. + points[pos] = *left + points[pos+1] = *right + pos += 2 + } + return points[:pos] +} + +func allEqOrIn(expr expression.Expression) bool { + f, ok := expr.(*expression.ScalarFunction) + if !ok { + return false + } + switch f.FuncName.L { + case ast.LogicOr: + for _, arg := range f.GetArgs() { + if !allEqOrIn(arg) { + return false + } + } + return true + case ast.EQ, ast.NullEQ, ast.In: + return true + } + return false +} + // ExtractEqAndInCondition will split the given condition into three parts by the information of index columns and their lengths. // accesses: The condition will be used to build range. // filters: filters is the part that some access conditions need to be evaluate again since it's only the prefix part of char column. @@ -359,10 +460,11 @@ func ExtractEqAndInCondition(sctx sessionctx.Context, conditions []expression.Ex points := make([][]point, len(cols)) mergedAccesses := make([]expression.Expression, len(cols)) newConditions := make([]expression.Expression, 0, len(conditions)) - for _, cond := range conditions { - offset := getEqOrInColOffset(cond, cols) + offsets := make([]int, len(conditions)) + for i, cond := range conditions { + offset := getPotentialEqOrInColOffset(cond, cols) + offsets[i] = offset if offset == -1 { - newConditions = append(newConditions, cond) continue } if accesses[offset] == nil { @@ -384,12 +486,31 @@ func ExtractEqAndInCondition(sctx sessionctx.Context, conditions []expression.Ex for i, ma := range mergedAccesses { if ma == nil { if accesses[i] != nil { - newConditions = append(newConditions, accesses[i]) + if allEqOrIn(accesses[i]) { + newConditions = append(newConditions, accesses[i]) + } else { + accesses[i] = nil + } } continue } - accesses[i] = points2EqOrInCond(sctx, points[i], cols[i]) - newConditions = append(newConditions, accesses[i]) + points[i] = allSinglePoints(sctx.GetSessionVars().StmtCtx, points[i]) + if points[i] == nil { + // There exists an interval whose length is larger than 0 + accesses[i] = nil + } else if len(points[i]) == 0 { + // Early termination if false expression found + return nil, nil, nil, true + } else { + // All Intervals are single points + accesses[i] = points2EqOrInCond(sctx, points[i], cols[i]) + newConditions = append(newConditions, accesses[i]) + } + } + for i, offset := range offsets { + if offset == -1 || accesses[offset] == nil { + newConditions = append(newConditions, conditions[i]) + } } for i, cond := range accesses { if cond == nil { From dd0dc46d5edbb06e036d0ab877359488eef45ce0 Mon Sep 17 00:00:00 2001 From: Iosmanthus Teng Date: Tue, 22 Dec 2020 14:58:31 +0800 Subject: [PATCH 0532/1021] expression: fix type infer for tidb's builtin compare(least and greatest) (#21150) Signed-off-by: iosmanthus --- expression/builtin_compare.go | 178 +++++++++++++++++----------- expression/builtin_compare_test.go | 19 ++- expression/builtin_compare_vec.go | 91 ++++++-------- expression/errors.go | 4 +- expression/integration_test.go | 6 +- planner/core/expression_rewriter.go | 2 +- planner/core/expression_test.go | 1 + types/field_type.go | 4 + 8 files changed, 172 insertions(+), 133 deletions(-) diff --git a/expression/builtin_compare.go b/expression/builtin_compare.go index b6655fb8a5df7..e2696356e28ca 100644 --- a/expression/builtin_compare.go +++ b/expression/builtin_compare.go @@ -15,6 +15,7 @@ package expression import ( "math" + "strings" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/mysql" @@ -367,53 +368,67 @@ func (b *builtinCoalesceJSONSig) evalJSON(row chunk.Row) (res json.BinaryJSON, i return res, isNull, err } -// temporalWithDateAsNumEvalType makes DATE, DATETIME, TIMESTAMP pretend to be numbers rather than strings. -func temporalWithDateAsNumEvalType(argTp *types.FieldType) (argEvalType types.EvalType, isStr bool, isTemporalWithDate bool) { - argEvalType = argTp.EvalType() - isStr, isTemporalWithDate = argEvalType.IsStringKind(), types.IsTemporalWithDate(argTp.Tp) - if !isTemporalWithDate { - return +func aggregateType(args []Expression) *types.FieldType { + fieldTypes := make([]*types.FieldType, len(args)) + for i := range fieldTypes { + fieldTypes[i] = args[i].GetType() } - if argTp.Decimal > 0 { - argEvalType = types.ETDecimal - } else { - argEvalType = types.ETInt - } - return + return types.AggFieldType(fieldTypes) } -// GetCmpTp4MinMax gets compare type for GREATEST and LEAST and BETWEEN -func GetCmpTp4MinMax(args []Expression) (argTp types.EvalType) { - datetimeFound, isAllStr := false, true - cmpEvalType, isStr, isTemporalWithDate := temporalWithDateAsNumEvalType(args[0].GetType()) - if !isStr { - isAllStr = false +// ResolveType4Between resolves eval type for between expression. +func ResolveType4Between(args [3]Expression) types.EvalType { + cmpTp := args[0].GetType().EvalType() + for i := 1; i < 3; i++ { + cmpTp = getBaseCmpType(cmpTp, args[i].GetType().EvalType(), nil, nil) } - if isTemporalWithDate { - datetimeFound = true - } - lft := args[0].GetType() - for i := range args { - rft := args[i].GetType() - var tp types.EvalType - tp, isStr, isTemporalWithDate = temporalWithDateAsNumEvalType(rft) - if isTemporalWithDate { - datetimeFound = true + + hasTemporal := false + if cmpTp == types.ETString { + for _, arg := range args { + if types.IsTypeTemporal(arg.GetType().Tp) { + hasTemporal = true + break + } } - if !isStr { - isAllStr = false + if hasTemporal { + cmpTp = types.ETDatetime } - cmpEvalType = getBaseCmpType(cmpEvalType, tp, lft, rft) - lft = rft } - argTp = cmpEvalType - if cmpEvalType.IsStringKind() { - argTp = types.ETString + + return cmpTp +} + +// resolveType4Extremum gets compare type for GREATEST and LEAST and BETWEEN (mainly for datetime). +func resolveType4Extremum(args []Expression) types.EvalType { + aggType := aggregateType(args) + + var temporalItem *types.FieldType + if aggType.EvalType().IsStringKind() { + for i := range args { + item := args[i].GetType() + if types.IsTemporalWithDate(item.Tp) { + temporalItem = item + } + } + + if !types.IsTemporalWithDate(aggType.Tp) && temporalItem != nil { + aggType.Tp = temporalItem.Tp + } + // TODO: String charset, collation checking are needed. } - if isAllStr && datetimeFound { - argTp = types.ETDatetime + return aggType.EvalType() +} + +// unsupportedJSONComparison reports warnings while there is a JSON type in least/greatest function's arguments +func unsupportedJSONComparison(ctx sessionctx.Context, args []Expression) { + for _, arg := range args { + tp := arg.GetType().Tp + if tp == mysql.TypeJSON { + ctx.GetSessionVars().StmtCtx.AppendWarning(errUnsupportedJSONComparison) + break + } } - return argTp } type greatestFunctionClass struct { @@ -424,10 +439,14 @@ func (c *greatestFunctionClass) getFunction(ctx sessionctx.Context, args []Expre if err = c.verifyArgs(args); err != nil { return nil, err } - tp, cmpAsDatetime := GetCmpTp4MinMax(args), false - if tp == types.ETDatetime { + tp := resolveType4Extremum(args) + cmpAsDatetime := false + if tp == types.ETDatetime || tp == types.ETTimestamp { cmpAsDatetime = true tp = types.ETString + } else if tp == types.ETJson { + unsupportedJSONComparison(ctx, args) + tp = types.ETString } argTps := make([]types.EvalType, len(args)) for i := range args { @@ -453,7 +472,7 @@ func (c *greatestFunctionClass) getFunction(ctx sessionctx.Context, args []Expre case types.ETString: sig = &builtinGreatestStringSig{bf} sig.setPbCode(tipb.ScalarFuncSig_GreatestString) - case types.ETDatetime: + case types.ETDatetime, types.ETTimestamp: sig = &builtinGreatestTimeSig{bf} sig.setPbCode(tipb.ScalarFuncSig_GreatestTime) } @@ -592,30 +611,39 @@ func (b *builtinGreatestTimeSig) Clone() builtinFunc { // evalString evals a builtinGreatestTimeSig. // See http://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#function_greatest -func (b *builtinGreatestTimeSig) evalString(row chunk.Row) (_ string, isNull bool, err error) { +func (b *builtinGreatestTimeSig) evalString(row chunk.Row) (res string, isNull bool, err error) { var ( - v string - t types.Time + strRes string + timeRes types.Time ) - max := types.ZeroDatetime sc := b.ctx.GetSessionVars().StmtCtx for i := 0; i < len(b.args); i++ { - v, isNull, err = b.args[i].EvalString(b.ctx, row) + v, isNull, err := b.args[i].EvalString(b.ctx, row) if isNull || err != nil { return "", true, err } - t, err = types.ParseDatetime(sc, v) + t, err := types.ParseDatetime(sc, v) if err != nil { if err = handleInvalidTimeError(b.ctx, err); err != nil { return v, true, err } - continue + } else { + v = t.String() + } + // In MySQL, if the compare result is zero, than we will try to use the string comparison result + if i == 0 || strings.Compare(v, strRes) > 0 { + strRes = v } - if t.Compare(max) > 0 { - max = t + if i == 0 || t.Compare(timeRes) > 0 { + timeRes = t } } - return max.String(), false, nil + if timeRes.IsZero() { + res = strRes + } else { + res = timeRes.String() + } + return res, false, nil } type leastFunctionClass struct { @@ -626,10 +654,14 @@ func (c *leastFunctionClass) getFunction(ctx sessionctx.Context, args []Expressi if err = c.verifyArgs(args); err != nil { return nil, err } - tp, cmpAsDatetime := GetCmpTp4MinMax(args), false + tp := resolveType4Extremum(args) + cmpAsDatetime := false if tp == types.ETDatetime { cmpAsDatetime = true tp = types.ETString + } else if tp == types.ETJson { + unsupportedJSONComparison(ctx, args) + tp = types.ETString } argTps := make([]types.EvalType, len(args)) for i := range args { @@ -796,32 +828,36 @@ func (b *builtinLeastTimeSig) Clone() builtinFunc { // See http://dev.mysql.com/doc/refman/5.7/en/comparison-operators.html#functionleast func (b *builtinLeastTimeSig) evalString(row chunk.Row) (res string, isNull bool, err error) { var ( - v string - t types.Time + // timeRes will be converted to a strRes only when the arguments is a valid datetime value. + strRes string // Record the strRes of each arguments. + timeRes types.Time // Record the time representation of a valid arguments. ) - min := types.NewTime(types.MaxDatetime, mysql.TypeDatetime, types.MaxFsp) - findInvalidTime := false sc := b.ctx.GetSessionVars().StmtCtx for i := 0; i < len(b.args); i++ { - v, isNull, err = b.args[i].EvalString(b.ctx, row) + v, isNull, err := b.args[i].EvalString(b.ctx, row) if isNull || err != nil { return "", true, err } - t, err = types.ParseDatetime(sc, v) + t, err := types.ParseDatetime(sc, v) if err != nil { if err = handleInvalidTimeError(b.ctx, err); err != nil { return v, true, err - } else if !findInvalidTime { - res = v - findInvalidTime = true } + } else { + v = t.String() + } + if i == 0 || strings.Compare(v, strRes) < 0 { + strRes = v } - if t.Compare(min) < 0 { - min = t + if i == 0 || t.Compare(timeRes) < 0 { + timeRes = t } } - if !findInvalidTime { - res = min.String() + + if timeRes.IsZero() { + res = strRes + } else { + res = timeRes.String() } return res, false, nil } @@ -1042,7 +1078,7 @@ type compareFunctionClass struct { // getBaseCmpType gets the EvalType that the two args will be treated as when comparing. func getBaseCmpType(lhs, rhs types.EvalType, lft, rft *types.FieldType) types.EvalType { - if lft.Tp == mysql.TypeUnspecified || rft.Tp == mysql.TypeUnspecified { + if lft != nil && rft != nil && (lft.Tp == mysql.TypeUnspecified || rft.Tp == mysql.TypeUnspecified) { if lft.Tp == rft.Tp { return types.ETString } @@ -1054,13 +1090,13 @@ func getBaseCmpType(lhs, rhs types.EvalType, lft, rft *types.FieldType) types.Ev } if lhs.IsStringKind() && rhs.IsStringKind() { return types.ETString - } else if (lhs == types.ETInt || lft.Hybrid()) && (rhs == types.ETInt || rft.Hybrid()) { + } else if (lhs == types.ETInt || (lft != nil && lft.Hybrid())) && (rhs == types.ETInt || (rft != nil && rft.Hybrid())) { return types.ETInt - } else if ((lhs == types.ETInt || lft.Hybrid()) || lhs == types.ETDecimal) && - ((rhs == types.ETInt || rft.Hybrid()) || rhs == types.ETDecimal) { + } else if ((lhs == types.ETInt || (lft != nil && lft.Hybrid())) || lhs == types.ETDecimal) && + ((rhs == types.ETInt || (rft != nil && rft.Hybrid())) || rhs == types.ETDecimal) { return types.ETDecimal - } else if types.IsTemporalWithDate(lft.Tp) && rft.Tp == mysql.TypeYear || - lft.Tp == mysql.TypeYear && types.IsTemporalWithDate(rft.Tp) { + } else if lft != nil && rft != nil && (types.IsTemporalWithDate(lft.Tp) && rft.Tp == mysql.TypeYear || + lft.Tp == mysql.TypeYear && types.IsTemporalWithDate(rft.Tp)) { return types.ETDatetime } return types.ETReal diff --git a/expression/builtin_compare_test.go b/expression/builtin_compare_test.go index 5acfad1a950c8..da3a698353979 100644 --- a/expression/builtin_compare_test.go +++ b/expression/builtin_compare_test.go @@ -258,7 +258,8 @@ func (s *testEvaluatorSuite) TestIntervalFunc(c *C) { } } -func (s *testEvaluatorSuite) TestGreatestLeastFuncs(c *C) { +// greatest/least function is compatible with MySQL 8.0 +func (s *testEvaluatorSuite) TestGreatestLeastFunc(c *C) { sc := s.ctx.GetSessionVars().StmtCtx originIgnoreTruncate := sc.IgnoreTruncate sc.IgnoreTruncate = true @@ -283,7 +284,7 @@ func (s *testEvaluatorSuite) TestGreatestLeastFuncs(c *C) { }, { []interface{}{"123a", "b", "c", 12}, - float64(123), float64(0), false, false, + "c", "12", false, false, }, { []interface{}{tm, "123"}, @@ -291,15 +292,15 @@ func (s *testEvaluatorSuite) TestGreatestLeastFuncs(c *C) { }, { []interface{}{tm, 123}, - curTimeInt, int64(123), false, false, + curTimeString, "123", false, false, }, { []interface{}{tm, "invalid_time_1", "invalid_time_2", tmWithFsp}, - curTimeWithFspString, "invalid_time_1", false, false, + curTimeWithFspString, curTimeString, false, false, }, { []interface{}{tm, "invalid_time_2", "invalid_time_1", tmWithFsp}, - curTimeWithFspString, "invalid_time_2", false, false, + curTimeWithFspString, curTimeString, false, false, }, { []interface{}{tm, "invalid_time", nil, tmWithFsp}, @@ -317,6 +318,14 @@ func (s *testEvaluatorSuite) TestGreatestLeastFuncs(c *C) { []interface{}{errors.New("must error"), 123}, nil, nil, false, true, }, + { + []interface{}{794755072.0, 4556, "2000-01-09"}, + "794755072", "2000-01-09", false, false, + }, + { + []interface{}{905969664.0, 4556, "1990-06-16 17:22:56.005534"}, + "905969664", "1990-06-16 17:22:56.005534", false, false, + }, } { f0, err := newFunctionForTest(s.ctx, ast.Greatest, s.primitiveValsToConstants(t.args)...) c.Assert(err, IsNil) diff --git a/expression/builtin_compare_vec.go b/expression/builtin_compare_vec.go index 6b65f6c1a5ce6..d6cdc42065b29 100644 --- a/expression/builtin_compare_vec.go +++ b/expression/builtin_compare_vec.go @@ -14,6 +14,8 @@ package expression import ( + "strings" + "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" @@ -633,47 +635,46 @@ func (b *builtinGreatestTimeSig) vectorized() bool { } func (b *builtinGreatestTimeSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error { + sc := b.ctx.GetSessionVars().StmtCtx n := input.NumRows() - dst, err := b.bufAllocator.get(types.ETTimestamp, n) - if err != nil { - return err - } - defer b.bufAllocator.put(dst) - sc := b.ctx.GetSessionVars().StmtCtx - dst.ResizeTime(n, false) - dstTimes := dst.Times() - for i := 0; i < n; i++ { - dstTimes[i] = types.ZeroDatetime - } - var argTime types.Time + dstStrings := make([]string, n) + // TODO: use Column.MergeNulls instead, however, it doesn't support var-length type currently. + dstNullMap := make([]bool, n) + for j := 0; j < len(b.args); j++ { if err := b.args[j].VecEvalString(b.ctx, input, result); err != nil { return err } for i := 0; i < n; i++ { - if result.IsNull(i) || dst.IsNull(i) { - dst.SetNull(i, true) + if dstNullMap[i] = dstNullMap[i] || result.IsNull(i); dstNullMap[i] { continue } - argTime, err = types.ParseDatetime(sc, result.GetString(i)) + + // NOTE: can't use Column.GetString because it returns an unsafe string, copy the row instead. + argTimeStr := string(result.GetBytes(i)) + + argTime, err := types.ParseDatetime(sc, argTimeStr) if err != nil { if err = handleInvalidTimeError(b.ctx, err); err != nil { return err } - continue + } else { + argTimeStr = argTime.String() } - if argTime.Compare(dstTimes[i]) > 0 { - dstTimes[i] = argTime + if j == 0 || strings.Compare(argTimeStr, dstStrings[i]) > 0 { + dstStrings[i] = argTimeStr } } } + + // Aggregate the NULL and String value into result result.ReserveString(n) for i := 0; i < n; i++ { - if dst.IsNull(i) { + if dstNullMap[i] { result.AppendNull() } else { - result.AppendString(dstTimes[i].String()) + result.AppendString(dstStrings[i]) } } return nil @@ -719,60 +720,46 @@ func (b *builtinLeastTimeSig) vectorized() bool { } func (b *builtinLeastTimeSig) vecEvalString(input *chunk.Chunk, result *chunk.Column) error { - n := input.NumRows() - dst, err := b.bufAllocator.get(types.ETTimestamp, n) - if err != nil { - return err - } - defer b.bufAllocator.put(dst) - sc := b.ctx.GetSessionVars().StmtCtx - dst.ResizeTime(n, false) - dstTimes := dst.Times() - for i := 0; i < n; i++ { - dstTimes[i] = types.NewTime(types.MaxDatetime, mysql.TypeDatetime, types.DefaultFsp) - } - var argTime types.Time + n := input.NumRows() - findInvalidTime := make([]bool, n) - invalidValue := make([]string, n) + dstStrings := make([]string, n) + // TODO: use Column.MergeNulls instead, however, it doesn't support var-length type currently. + dstNullMap := make([]bool, n) for j := 0; j < len(b.args); j++ { if err := b.args[j].VecEvalString(b.ctx, input, result); err != nil { return err } - dst.MergeNulls(result) for i := 0; i < n; i++ { - if dst.IsNull(i) { + if dstNullMap[i] = dstNullMap[i] || result.IsNull(i); dstNullMap[i] { continue } - argTime, err = types.ParseDatetime(sc, result.GetString(i)) + + // NOTE: can't use Column.GetString because it returns an unsafe string, copy the row instead. + argTimeStr := string(result.GetBytes(i)) + + argTime, err := types.ParseDatetime(sc, argTimeStr) if err != nil { if err = handleInvalidTimeError(b.ctx, err); err != nil { return err - } else if !findInvalidTime[i] { - // Make a deep copy here. - // Otherwise invalidValue will internally change with result. - invalidValue[i] = string(result.GetBytes(i)) - findInvalidTime[i] = true } - continue + } else { + argTimeStr = argTime.String() } - if argTime.Compare(dstTimes[i]) < 0 { - dstTimes[i] = argTime + if j == 0 || strings.Compare(argTimeStr, dstStrings[i]) < 0 { + dstStrings[i] = argTimeStr } } } + + // Aggregate the NULL and String value into result result.ReserveString(n) for i := 0; i < n; i++ { - if dst.IsNull(i) { + if dstNullMap[i] { result.AppendNull() - continue - } - if findInvalidTime[i] { - result.AppendString(invalidValue[i]) } else { - result.AppendString(dstTimes[i].String()) + result.AppendString(dstStrings[i]) } } return nil diff --git a/expression/errors.go b/expression/errors.go index 071b861d010ab..b469efb0874f4 100644 --- a/expression/errors.go +++ b/expression/errors.go @@ -50,7 +50,9 @@ var ( errNonUniq = dbterror.ClassExpression.NewStd(mysql.ErrNonUniq) // Sequence usage privilege check. - errSequenceAccessDenied = dbterror.ClassExpression.NewStd(mysql.ErrTableaccessDenied) + errSequenceAccessDenied = dbterror.ClassExpression.NewStd(mysql.ErrTableaccessDenied) + errUnsupportedJSONComparison = dbterror.ClassExpression.NewStdErr(mysql.ErrNotSupportedYet, + pmysql.Message("comparison of JSON in the LEAST and GREATEST operators", nil)) ) // handleInvalidTimeError reports error or warning depend on the context. diff --git a/expression/integration_test.go b/expression/integration_test.go index afb904b48bd8a..72326c2b7f245 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -3712,8 +3712,8 @@ func (s *testIntegrationSuite) TestCompareBuiltin(c *C) { // for greatest result = tk.MustQuery(`select greatest(1, 2, 3), greatest("a", "b", "c"), greatest(1.1, 1.2, 1.3), greatest("123a", 1, 2)`) - result.Check(testkit.Rows("3 c 1.3 123")) - tk.MustQuery("show warnings").Check(testutil.RowsWithSep("|", "Warning|1292|Truncated incorrect FLOAT value: '123a'")) + result.Check(testkit.Rows("3 c 1.3 2")) + tk.MustQuery("show warnings").Check(testkit.Rows()) result = tk.MustQuery(`select greatest(cast("2017-01-01" as datetime), "123", "234", cast("2018-01-01" as date)), greatest(cast("2017-01-01" as date), "123", null)`) // todo: MySQL returns "2018-01-01 " result.Check(testkit.Rows("2018-01-01 00:00:00 ")) @@ -3721,7 +3721,7 @@ func (s *testIntegrationSuite) TestCompareBuiltin(c *C) { // for least result = tk.MustQuery(`select least(1, 2, 3), least("a", "b", "c"), least(1.1, 1.2, 1.3), least("123a", 1, 2)`) result.Check(testkit.Rows("1 a 1.1 1")) - tk.MustQuery("show warnings").Check(testutil.RowsWithSep("|", "Warning|1292|Truncated incorrect FLOAT value: '123a'")) + tk.MustQuery("show warnings").Check(testkit.Rows()) result = tk.MustQuery(`select least(cast("2017-01-01" as datetime), "123", "234", cast("2018-01-01" as date)), least(cast("2017-01-01" as date), "123", null)`) result.Check(testkit.Rows("123 ")) tk.MustQuery("show warnings").Check(testutil.RowsWithSep("|", "Warning|1292|Incorrect time value: '123'", "Warning|1292|Incorrect time value: '234'", "Warning|1292|Incorrect time value: '123'")) diff --git a/planner/core/expression_rewriter.go b/planner/core/expression_rewriter.go index db54e4b1d9cea..65e4982241bf0 100644 --- a/planner/core/expression_rewriter.go +++ b/planner/core/expression_rewriter.go @@ -1545,7 +1545,7 @@ func (er *expressionRewriter) wrapExpWithCast() (expr, lexp, rexp expression.Exp stkLen := len(er.ctxStack) expr, lexp, rexp = er.ctxStack[stkLen-3], er.ctxStack[stkLen-2], er.ctxStack[stkLen-1] var castFunc func(sessionctx.Context, expression.Expression) expression.Expression - switch expression.GetCmpTp4MinMax([]expression.Expression{expr, lexp, rexp}) { + switch expression.ResolveType4Between([3]expression.Expression{expr, lexp, rexp}) { case types.ETInt: castFunc = expression.WrapWithCastAsInt case types.ETReal: diff --git a/planner/core/expression_test.go b/planner/core/expression_test.go index 0f19b800a52ed..4461db382b47a 100644 --- a/planner/core/expression_test.go +++ b/planner/core/expression_test.go @@ -72,6 +72,7 @@ func (s *testExpressionSuite) TestBetween(c *C) { {exprStr: "1 not between 2 and 3", resultStr: "1"}, {exprStr: "'2001-04-10 12:34:56' between cast('2001-01-01 01:01:01' as datetime) and '01-05-01'", resultStr: "1"}, {exprStr: "20010410123456 between cast('2001-01-01 01:01:01' as datetime) and 010501", resultStr: "0"}, + {exprStr: "20010410123456 between cast('2001-01-01 01:01:01' as datetime) and 20010501123456", resultStr: "1"}, } s.runTests(c, tests) } diff --git a/types/field_type.go b/types/field_type.go index 246978eeb28aa..e36b8e7166316 100644 --- a/types/field_type.go +++ b/types/field_type.go @@ -99,6 +99,10 @@ func AggFieldType(tps []*FieldType) *FieldType { } } + if mysql.HasUnsignedFlag(currType.Flag) && !isMixedSign { + currType.Flag |= mysql.UnsignedFlag + } + return &currType } From 56d3f6b4713e385632bec5c968741f8f7aaec7bc Mon Sep 17 00:00:00 2001 From: Song Gao Date: Tue, 22 Dec 2020 15:31:31 +0800 Subject: [PATCH 0533/1021] executor: support forbiding cross dc read for pointGet (#21840) --- distsql/request_builder.go | 30 ++++++++++++++++++-------- executor/point_get.go | 39 ++++++++++++++++++++++++++++++++++ expression/integration_test.go | 13 ++++++++++++ session/session.go | 2 +- 4 files changed, 74 insertions(+), 10 deletions(-) diff --git a/distsql/request_builder.go b/distsql/request_builder.go index 0f65458efffd0..bc3dc2386a420 100644 --- a/distsql/request_builder.go +++ b/distsql/request_builder.go @@ -290,15 +290,8 @@ func (builder *RequestBuilder) verifyTxnScope() error { } for tableID := range visitTableID { - bundle, ok := builder.bundles[placement.GroupID(tableID)] - if !ok { - continue - } - dc, ok := placement.GetLeaderDCByBundle(bundle, placement.DCLabelKey) - if !ok { - continue - } - if dc != builder.txnScope { + valid := VerifyTxnScope(builder.txnScope, tableID, builder.bundles) + if !valid { return fmt.Errorf("table %v can not be read by %v txn_scope", tableID, builder.txnScope) } } @@ -522,6 +515,25 @@ func CommonHandleRangesToKVRanges(sc *stmtctx.StatementContext, tids []int64, ra return krs, nil } +// VerifyTxnScope verify whether the txnScope and visited physical table break the leader rule's dcLocation. +func VerifyTxnScope(txnScope string, physicalTableID int64, bundles map[string]*placement.Bundle) bool { + if txnScope == "" || txnScope == oracle.GlobalTxnScope { + return true + } + bundle, ok := bundles[placement.GroupID(physicalTableID)] + if !ok { + return true + } + leaderDC, ok := placement.GetLeaderDCByBundle(bundle, placement.DCLabelKey) + if !ok { + return true + } + if leaderDC != txnScope { + return false + } + return true +} + func indexRangesToKVWithoutSplit(sc *stmtctx.StatementContext, tids []int64, idxID int64, ranges []*ranger.Range) ([]kv.KeyRange, error) { krs := make([]kv.KeyRange, 0, len(ranges)) for _, ran := range ranges { diff --git a/executor/point_get.go b/executor/point_get.go index 5161feea4981d..966113c2d5974 100644 --- a/executor/point_get.go +++ b/executor/point_get.go @@ -15,16 +15,21 @@ package executor import ( "context" + "fmt" "github.com/pingcap/errors" "github.com/pingcap/failpoint" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" + "github.com/pingcap/tidb/ddl" + "github.com/pingcap/tidb/distsql" "github.com/pingcap/tidb/expression" + "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/kv" plannercore "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/store/tikv" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/table/tables" "github.com/pingcap/tidb/tablecodec" @@ -128,6 +133,9 @@ func (e *PointGetExecutor) Open(context.Context) error { } else { e.snapshot = e.ctx.GetStore().GetSnapshot(kv.Version{Ver: snapshotTS}) } + if err := e.verifyTxnScope(); err != nil { + return err + } if e.runtimeStats != nil { snapshotStats := &tikv.SnapshotRuntimeStats{} e.stats = &runtimeStatsWithSnapshot{ @@ -372,6 +380,37 @@ func (e *PointGetExecutor) get(ctx context.Context, key kv.Key) ([]byte, error) return e.snapshot.Get(ctx, key) } +func (e *PointGetExecutor) verifyTxnScope() error { + txnScope := e.txn.GetUnionStore().GetOption(kv.TxnScope).(string) + if txnScope == "" || txnScope == oracle.GlobalTxnScope { + return nil + } + var tblID int64 + var tblName string + var partName string + is := infoschema.GetInfoSchema(e.ctx) + if e.partInfo != nil { + tblID = e.partInfo.ID + tblInfo, _, partInfo := is.FindTableByPartitionID(tblID) + tblName = tblInfo.Meta().Name.String() + partName = partInfo.Name.String() + } else { + tblID = e.tblInfo.ID + tblInfo, _ := is.TableByID(tblID) + tblName = tblInfo.Meta().Name.String() + } + valid := distsql.VerifyTxnScope(txnScope, tblID, is.RuleBundles()) + if valid { + return nil + } + if len(partName) > 0 { + return ddl.ErrInvalidPlacementPolicyCheck.GenWithStackByArgs( + fmt.Sprintf("table %v's partition %v can not be read by %v txn_scope", tblName, partName, txnScope)) + } + return ddl.ErrInvalidPlacementPolicyCheck.GenWithStackByArgs( + fmt.Sprintf("table %v can not be read by %v txn_scope", tblName, txnScope)) +} + // EncodeUniqueIndexKey encodes a unique index key. func EncodeUniqueIndexKey(ctx sessionctx.Context, tblInfo *model.TableInfo, idxInfo *model.IndexInfo, idxVals []types.Datum, tID int64) (_ []byte, err error) { encodedIdxVals, err := EncodeUniqueIndexValuesForKey(ctx, tblInfo, idxInfo, idxVals) diff --git a/expression/integration_test.go b/expression/integration_test.go index 72326c2b7f245..b61a8400a0a4c 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -8481,6 +8481,19 @@ PARTITION BY RANGE (c) ( // sql: "select /*+ USE_INDEX(t1, idx_d) */ d from t1 where c < 5 and d < 1;", // expectErr: fmt.Errorf(".*can not be read by.*"), //}, + // FIXME: block by https://github.com/pingcap/tidb/issues/21847 + //{ + // name: "cross dc read to sh by holding bj, BatchPointGet", + // txnScope: "bj", + // sql: "select * from t1 where c in (1,2,3,4);", + // expectErr: fmt.Errorf(".*can not be read by.*"), + //}, + { + name: "cross dc read to sh by holding bj, PointGet", + txnScope: "bj", + sql: "select * from t1 where c = 1", + expectErr: fmt.Errorf(".*can not be read by.*"), + }, { name: "cross dc read to sh by holding bj, IndexLookUp", txnScope: "bj", diff --git a/session/session.go b/session/session.go index 6e949d423de54..88a625775a6ab 100644 --- a/session/session.go +++ b/session/session.go @@ -2422,7 +2422,7 @@ func (s *session) InitTxnWithStartTS(startTS uint64) error { } // no need to get txn from txnFutureCh since txn should init with startTs - txn, err := s.store.BeginWithStartTS(oracle.GlobalTxnScope, startTS) + txn, err := s.store.BeginWithStartTS(s.GetSessionVars().CheckAndGetTxnScope(), startTS) if err != nil { return err } From 7b76edcfe14aecf2413654b1e13c3f1f972b2085 Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Tue, 22 Dec 2020 16:21:59 +0800 Subject: [PATCH 0534/1021] *: support baseline capture for prepared statements (#21271) --- bindinfo/bind_test.go | 52 ++++++++++++++++++++++ bindinfo/cache.go | 18 +++++--- bindinfo/handle.go | 45 +++++++------------ executor/adapter.go | 23 +++++++--- planner/optimize.go | 2 +- sessionctx/stmtctx/stmtctx.go | 11 +++++ util/hint/hint_processor.go | 10 ++--- util/stmtsummary/statement_summary.go | 45 +++++++++++++++---- util/stmtsummary/statement_summary_test.go | 22 +++++---- 9 files changed, 162 insertions(+), 66 deletions(-) diff --git a/bindinfo/bind_test.go b/bindinfo/bind_test.go index c02ba6eb51964..95c14ababd3f4 100644 --- a/bindinfo/bind_test.go +++ b/bindinfo/bind_test.go @@ -970,6 +970,36 @@ func (s *testSuite) TestCaptureBaselinesDefaultDB(c *C) { c.Assert(len(tk.Se.GetSessionVars().StmtCtx.IndexNames), Equals, 0) } +func (s *testSuite) TestCapturePreparedStmt(c *C) { + tk := testkit.NewTestKit(c, s.store) + s.cleanBindingEnv(tk) + stmtsummary.StmtSummaryByDigestMap.Clear() + c.Assert(tk.Se.Auth(&auth.UserIdentity{Username: "root", Hostname: "%"}, nil, nil), IsTrue) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int, b int, c int, key idx_b(b), key idx_c(c))") + c.Assert(tk.MustUseIndex("select * from t where b = 1 and c > 1", "idx_b(b)"), IsTrue) + tk.MustExec("prepare stmt from 'select /*+ use_index(t,idx_c) */ * from t where b = ? and c > ?'") + tk.MustExec("set @p = 1") + tk.MustExec("execute stmt using @p, @p") + tk.MustExec("execute stmt using @p, @p") + + tk.MustQuery("show global bindings").Check(testkit.Rows()) + tk.MustExec("admin capture bindings") + rows := tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 1) + c.Assert(rows[0][0], Equals, "select * from t where b = ? and c > ?") + c.Assert(rows[0][1], Equals, "SELECT /*+ use_index(@`sel_1` `test`.`t` `idx_c`)*/ * FROM `t` WHERE `b`=? AND `c`>?") + + c.Assert(tk.MustUseIndex("select /*+ use_index(t,idx_b) */ * from t where b = 1 and c > 1", "idx_c(c)"), IsTrue) + tk.MustExec("admin flush bindings") + tk.MustExec("admin evolve bindings") + rows = tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 1) + c.Assert(rows[0][0], Equals, "select * from t where b = ? and c > ?") + c.Assert(rows[0][1], Equals, "SELECT /*+ use_index(@`sel_1` `test`.`t` `idx_c`)*/ * FROM `t` WHERE `b`=? AND `c`>?") +} + func (s *testSuite) TestDropSingleBindings(c *C) { tk := testkit.NewTestKit(c, s.store) s.cleanBindingEnv(tk) @@ -1753,3 +1783,25 @@ func (s *testSuite) TestDMLIndexHintBind(c *C) { c.Assert(tk.Se.GetSessionVars().StmtCtx.IndexNames[0], Equals, "t:idx_c") c.Assert(tk.MustUseIndex("delete from t where b = 1 and c > 1", "idx_c(c)"), IsTrue) } + +func (s *testSuite) TestCapturedBindingCharset(c *C) { + tk := testkit.NewTestKit(c, s.store) + s.cleanBindingEnv(tk) + stmtsummary.StmtSummaryByDigestMap.Clear() + c.Assert(tk.Se.Auth(&auth.UserIdentity{Username: "root", Hostname: "%"}, nil, nil), IsTrue) + tk.MustExec("use test") + tk.MustExec("create table t(name varchar(25), index idx(name))") + + tk.MustExec("set character_set_connection = 'ascii'") + tk.MustExec("update t set name = 'hello' where name <= 'abc'") + tk.MustExec("update t set name = 'hello' where name <= 'abc'") + tk.MustExec("set character_set_connection = 'utf8mb4'") + tk.MustExec("admin capture bindings") + rows := tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 1) + c.Assert(rows[0][0], Equals, "update t set name = ? where name <= ?") + c.Assert(rows[0][1], Equals, "UPDATE /*+ use_index(@`upd_1` `test`.`t` `idx`)*/ `t` SET `name`=_ASCII'hello' WHERE `name`<=_ASCII'abc'") + // Charset and Collation are empty now, they are not used currently. + c.Assert(rows[0][6], Equals, "") + c.Assert(rows[0][7], Equals, "") +} diff --git a/bindinfo/cache.go b/bindinfo/cache.go index d0857bcd10288..c6a02cf101d81 100644 --- a/bindinfo/cache.go +++ b/bindinfo/cache.go @@ -120,16 +120,20 @@ func (br *BindRecord) prepareHints(sctx sessionctx.Context) error { if (bind.Hint != nil && bind.ID != "") || bind.Status == deleted { continue } - if sctx != nil { - _, err := getHintsForSQL(sctx, bind.BindSQL) - if err != nil { - return err - } - } - hintsSet, warns, err := hint.ParseHintsSet(p, bind.BindSQL, bind.Charset, bind.Collation, br.Db) + hintsSet, stmt, warns, err := hint.ParseHintsSet(p, bind.BindSQL, bind.Charset, bind.Collation, br.Db) if err != nil { return err } + if sctx != nil { + paramChecker := ¶mMarkerChecker{} + stmt.Accept(paramChecker) + if !paramChecker.hasParamMarker { + _, err = getHintsForSQL(sctx, bind.BindSQL) + if err != nil { + return err + } + } + } hintsStr, err := hintsSet.Restore() if err != nil { return err diff --git a/bindinfo/handle.go b/bindinfo/handle.go index 60fc03a058d6f..0456e0b69a7cb 100644 --- a/bindinfo/handle.go +++ b/bindinfo/handle.go @@ -29,7 +29,6 @@ import ( "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/expression" - "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/metrics" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/sessionctx/variable" @@ -623,34 +622,22 @@ func (h *BindHandle) logicalDeleteBindInfoSQL(originalSQL, db string, updateTs t // CaptureBaselines is used to automatically capture plan baselines. func (h *BindHandle) CaptureBaselines() { parser4Capture := parser.New() - schemas, sqls := stmtsummary.StmtSummaryByDigestMap.GetMoreThanOnceBindableStmt() - for i := range sqls { - stmt, err := parser4Capture.ParseOneStmt(sqls[i], "", "") + bindableStmts := stmtsummary.StmtSummaryByDigestMap.GetMoreThanOnceBindableStmt() + for _, bindableStmt := range bindableStmts { + stmt, err := parser4Capture.ParseOneStmt(bindableStmt.Query, bindableStmt.Charset, bindableStmt.Collation) if err != nil { - logutil.BgLogger().Debug("[sql-bind] parse SQL failed in baseline capture", zap.String("SQL", sqls[i]), zap.Error(err)) + logutil.BgLogger().Debug("[sql-bind] parse SQL failed in baseline capture", zap.String("SQL", bindableStmt.Query), zap.Error(err)) continue } if insertStmt, ok := stmt.(*ast.InsertStmt); ok && insertStmt.Select == nil { continue } - normalizedSQL, digest := parser.NormalizeDigest(sqls[i]) - dbName := utilparser.GetDefaultDB(stmt, schemas[i]) + normalizedSQL, digest := parser.NormalizeDigest(bindableStmt.Query) + dbName := utilparser.GetDefaultDB(stmt, bindableStmt.Schema) if r := h.GetBindRecord(digest, normalizedSQL, dbName); r != nil && r.HasUsingBinding() { continue } - h.sctx.Lock() - h.sctx.GetSessionVars().CurrentDB = schemas[i] - oriIsolationRead := h.sctx.GetSessionVars().IsolationReadEngines - // TODO: support all engines plan hint in capture baselines. - h.sctx.GetSessionVars().IsolationReadEngines = map[kv.StoreType]struct{}{kv.TiKV: {}} - hints, err := getHintsForSQL(h.sctx.Context, sqls[i]) - h.sctx.GetSessionVars().IsolationReadEngines = oriIsolationRead - h.sctx.Unlock() - if err != nil { - logutil.BgLogger().Debug("[sql-bind] generate hints failed in baseline capture", zap.String("SQL", sqls[i]), zap.Error(err)) - continue - } - bindSQL := GenerateBindSQL(context.TODO(), stmt, hints) + bindSQL := GenerateBindSQL(context.TODO(), stmt, bindableStmt.PlanHint, true) if bindSQL == "" { continue } @@ -665,7 +652,7 @@ func (h *BindHandle) CaptureBaselines() { // We don't need to pass the `sctx` because the BindSQL has been validated already. err = h.AddBindRecord(nil, &BindRecord{OriginalSQL: normalizedSQL, Db: dbName, Bindings: []Binding{binding}}) if err != nil { - logutil.BgLogger().Debug("[sql-bind] add bind record failed in baseline capture", zap.String("SQL", sqls[i]), zap.Error(err)) + logutil.BgLogger().Debug("[sql-bind] add bind record failed in baseline capture", zap.String("SQL", bindableStmt.Query), zap.Error(err)) } } } @@ -690,17 +677,19 @@ func getHintsForSQL(sctx sessionctx.Context, sql string) (string, error) { } // GenerateBindSQL generates binding sqls from stmt node and plan hints. -func GenerateBindSQL(ctx context.Context, stmtNode ast.StmtNode, planHint string) string { +func GenerateBindSQL(ctx context.Context, stmtNode ast.StmtNode, planHint string, captured bool) string { // If would be nil for very simple cases such as point get, we do not need to evolve for them. if planHint == "" { return "" } - paramChecker := ¶mMarkerChecker{} - stmtNode.Accept(paramChecker) - // We need to evolve on current sql, but we cannot restore values for paramMarkers yet, - // so just ignore them now. - if paramChecker.hasParamMarker { - return "" + if !captured { + paramChecker := ¶mMarkerChecker{} + stmtNode.Accept(paramChecker) + // We need to evolve on current sql, but we cannot restore values for paramMarkers yet, + // so just ignore them now. + if paramChecker.hasParamMarker { + return "" + } } // We need to evolve plan based on the current sql, not the original sql which may have different parameters. // So here we would remove the hint and inject the current best plan hint. diff --git a/executor/adapter.go b/executor/adapter.go index 1cb792f49f53e..4e1a817fc0112 100644 --- a/executor/adapter.go +++ b/executor/adapter.go @@ -46,6 +46,7 @@ import ( "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/execdetails" + "github.com/pingcap/tidb/util/hint" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/memory" "github.com/pingcap/tidb/util/plancodec" @@ -974,7 +975,7 @@ func getPlanTree(sctx sessionctx.Context, p plannercore.Plan) string { if atomic.LoadUint32(&cfg.Log.RecordPlanInSlowLog) == 0 { return "" } - planTree := getEncodedPlan(sctx, p) + planTree, _ := getEncodedPlan(sctx, p, false, nil) if len(planTree) == 0 { return planTree } @@ -992,14 +993,23 @@ func getPlanDigest(sctx sessionctx.Context, p plannercore.Plan) (normalized, pla return } -// getEncodedPlan uses to get encoded plan. -func getEncodedPlan(sctx sessionctx.Context, p plannercore.Plan) (encodedPlan string) { +// getEncodedPlan gets the encoded plan, and generates the hint string if indicated. +func getEncodedPlan(sctx sessionctx.Context, p plannercore.Plan, genHint bool, n ast.StmtNode) (encodedPlan, hintStr string) { encodedPlan = sctx.GetSessionVars().StmtCtx.GetEncodedPlan() + hintStr = sctx.GetSessionVars().StmtCtx.GetPlanHint() if len(encodedPlan) > 0 { return } encodedPlan = plannercore.EncodePlan(p) sctx.GetSessionVars().StmtCtx.SetEncodedPlan(encodedPlan) + if genHint { + hints := plannercore.GenHintsFromPhysicalPlan(p) + if n != nil { + hints = append(hints, hint.ExtractTableHintsFromStmtNode(n, nil)...) + } + hintStr = hint.RestoreOptimizerHints(hints) + sctx.GetSessionVars().StmtCtx.SetPlanHint(hintStr) + } return } @@ -1027,6 +1037,7 @@ func (a *ExecStmt) SummaryStmt(succ bool) { } normalizedSQL, digest := stmtCtx.SQLDigest() costTime := time.Since(sessVars.StartTime) + sessVars.DurationParse + charset, collation := sessVars.GetCharsetInfo() var prevSQL, prevSQLDigest string if _, ok := a.StmtNode.(*ast.CommitStmt); ok { @@ -1040,8 +1051,8 @@ func (a *ExecStmt) SummaryStmt(succ bool) { sessVars.SetPrevStmtDigest(digest) // No need to encode every time, so encode lazily. - planGenerator := func() string { - return getEncodedPlan(a.Ctx, a.Plan) + planGenerator := func() (string, string) { + return getEncodedPlan(a.Ctx, a.Plan, !sessVars.InRestrictedSQL, a.StmtNode) } // Generating plan digest is slow, only generate it once if it's 'Point_Get'. // If it's a point get, different SQLs leads to different plans, so SQL digest @@ -1070,6 +1081,8 @@ func (a *ExecStmt) SummaryStmt(succ bool) { stmtExecInfo := &stmtsummary.StmtExecInfo{ SchemaName: strings.ToLower(sessVars.CurrentDB), OriginalSQL: sql, + Charset: charset, + Collation: collation, NormalizedSQL: normalizedSQL, Digest: digest, PrevSQL: prevSQL, diff --git a/planner/optimize.go b/planner/optimize.go index 997b8b2ca080c..7dd10aed04d48 100644 --- a/planner/optimize.go +++ b/planner/optimize.go @@ -364,7 +364,7 @@ func handleInvalidBindRecord(ctx context.Context, sctx sessionctx.Context, level } func handleEvolveTasks(ctx context.Context, sctx sessionctx.Context, br *bindinfo.BindRecord, stmtNode ast.StmtNode, planHint string) { - bindSQL := bindinfo.GenerateBindSQL(ctx, stmtNode, planHint) + bindSQL := bindinfo.GenerateBindSQL(ctx, stmtNode, planHint, false) if bindSQL == "" { return } diff --git a/sessionctx/stmtctx/stmtctx.go b/sessionctx/stmtctx/stmtctx.go index 5ecaaa79a907a..e3ab0e56ac0da 100644 --- a/sessionctx/stmtctx/stmtctx.go +++ b/sessionctx/stmtctx/stmtctx.go @@ -147,6 +147,7 @@ type StatementContext struct { planNormalized string planDigest string encodedPlan string + planHint string Tables []TableEntry PointExec bool // for point update cached execution, Constant expression need to set "paramMarker" lockWaitStartTime int64 // LockWaitStartTime stores the pessimistic lock wait start time @@ -238,6 +239,16 @@ func (sc *StatementContext) SetEncodedPlan(encodedPlan string) { sc.encodedPlan = encodedPlan } +// GetPlanHint gets the hint string generated from the plan. +func (sc *StatementContext) GetPlanHint() string { + return sc.planHint +} + +// SetPlanHint sets the hint for the plan. +func (sc *StatementContext) SetPlanHint(hint string) { + sc.planHint = hint +} + // TableEntry presents table in db. type TableEntry struct { DB string diff --git a/util/hint/hint_processor.go b/util/hint/hint_processor.go index f95326d5d81a8..079ab079e64ec 100644 --- a/util/hint/hint_processor.go +++ b/util/hint/hint_processor.go @@ -251,13 +251,13 @@ func BindHint(stmt ast.StmtNode, hintsSet *HintsSet) ast.StmtNode { } // ParseHintsSet parses a SQL string, then collects and normalizes the HintsSet. -func ParseHintsSet(p *parser.Parser, sql, charset, collation, db string) (*HintsSet, []error, error) { +func ParseHintsSet(p *parser.Parser, sql, charset, collation, db string) (*HintsSet, ast.StmtNode, []error, error) { stmtNodes, warns, err := p.Parse(sql, charset, collation) if err != nil { - return nil, nil, err + return nil, nil, nil, err } if len(stmtNodes) != 1 { - return nil, nil, errors.New(fmt.Sprintf("bind_sql must be a single statement: %s", sql)) + return nil, nil, nil, errors.New(fmt.Sprintf("bind_sql must be a single statement: %s", sql)) } hs := CollectHint(stmtNodes[0]) processor := &BlockHintProcessor{} @@ -272,7 +272,7 @@ func ParseHintsSet(p *parser.Parser, sql, charset, collation, db string) (*Hints offset := processor.GetHintOffset(tblHint.QBName, hintNodeType, i+1) if offset < 0 || !processor.checkTableQBName(tblHint.Tables, hintNodeType) { hintStr := RestoreTableOptimizerHint(tblHint) - return nil, nil, errors.New(fmt.Sprintf("Unknown query block name in hint %s", hintStr)) + return nil, nil, nil, errors.New(fmt.Sprintf("Unknown query block name in hint %s", hintStr)) } tblHint.QBName = GenerateQBName(hintNodeType, offset) for i, tbl := range tblHint.Tables { @@ -284,7 +284,7 @@ func ParseHintsSet(p *parser.Parser, sql, charset, collation, db string) (*Hints } hs.tableHints[i] = newHints } - return hs, extractHintWarns(warns), nil + return hs, stmtNodes[0], extractHintWarns(warns), nil } func extractHintWarns(warns []error) []error { diff --git a/util/stmtsummary/statement_summary.go b/util/stmtsummary/statement_summary.go index ee096d9babe9c..be6b5bcd1eb18 100644 --- a/util/stmtsummary/statement_summary.go +++ b/util/stmtsummary/statement_summary.go @@ -104,8 +104,11 @@ type stmtSummaryByDigestElement struct { endTime int64 // basic sampleSQL string + charset string + collation string prevSQL string samplePlan string + planHint string indexNames []string execCount int64 sumErrors int @@ -200,11 +203,13 @@ type stmtSummaryByDigestElement struct { type StmtExecInfo struct { SchemaName string OriginalSQL string + Charset string + Collation string NormalizedSQL string Digest string PrevSQL string PrevSQLDigest string - PlanGenerator func() string + PlanGenerator func() (string, string) PlanDigest string PlanDigestGen func() string User string @@ -350,14 +355,23 @@ func (ssMap *stmtSummaryByDigestMap) ToHistoryDatum(user *auth.UserIdentity, isS return rows } +// BindableStmt is a wrapper struct for a statement that is extracted from statements_summary and can be +// created binding on. +type BindableStmt struct { + Schema string + Query string + PlanHint string + Charset string + Collation string +} + // GetMoreThanOnceBindableStmt gets users' select/update/delete SQLs that occurred more than once. -func (ssMap *stmtSummaryByDigestMap) GetMoreThanOnceBindableStmt() ([]string, []string) { +func (ssMap *stmtSummaryByDigestMap) GetMoreThanOnceBindableStmt() []*BindableStmt { ssMap.Lock() values := ssMap.summaryMap.Values() ssMap.Unlock() - schemas := make([]string, 0, len(values)) - sqls := make([]string, 0, len(values)) + stmts := make([]*BindableStmt, 0, len(values)) for _, value := range values { ssbd := value.(*stmtSummaryByDigest) func() { @@ -370,15 +384,26 @@ func (ssMap *stmtSummaryByDigestMap) GetMoreThanOnceBindableStmt() ([]string, [] // Empty auth users means that it is an internal queries. if len(ssElement.authUsers) > 0 && (ssbd.history.Len() > 1 || ssElement.execCount > 1) { - schemas = append(schemas, ssbd.schemaName) - sqls = append(sqls, ssElement.sampleSQL) + stmt := &BindableStmt{ + Schema: ssbd.schemaName, + Query: ssElement.sampleSQL, + PlanHint: ssElement.planHint, + Charset: ssElement.charset, + Collation: ssElement.collation, + } + // If it is SQL command prepare / execute, the ssElement.sampleSQL is `execute ...`, we should get the original select query. + // If it is binary protocol prepare / execute, ssbd.normalizedSQL should be same as ssElement.sampleSQL. + if ssElement.prepared { + stmt.Query = ssbd.normalizedSQL + } + stmts = append(stmts, stmt) } ssElement.Unlock() } } }() } - return schemas, sqls + return stmts } // SetEnabled enables or disables statement summary in global(cluster) or session(server) scope. @@ -595,13 +620,17 @@ func (ssbd *stmtSummaryByDigest) collectHistorySummaries(historySize int) []*stm func newStmtSummaryByDigestElement(sei *StmtExecInfo, beginTime int64, intervalSeconds int64) *stmtSummaryByDigestElement { // sampleSQL / authUsers(sampleUser) / samplePlan / prevSQL / indexNames store the values shown at the first time, // because it compacts performance to update every time. + samplePlan, planHint := sei.PlanGenerator() ssElement := &stmtSummaryByDigestElement{ beginTime: beginTime, sampleSQL: formatSQL(sei.OriginalSQL), + charset: sei.Charset, + collation: sei.Collation, // PrevSQL is already truncated to cfg.Log.QueryLogMaxLen. prevSQL: sei.PrevSQL, // samplePlan needs to be decoded so it can't be truncated. - samplePlan: sei.PlanGenerator(), + samplePlan: samplePlan, + planHint: planHint, indexNames: sei.StmtCtx.IndexNames, minLatency: sei.TotalLatency, firstSeen: sei.StartTime, diff --git a/util/stmtsummary/statement_summary_test.go b/util/stmtsummary/statement_summary_test.go index c71099c9617b4..cf842a73b93be 100644 --- a/util/stmtsummary/statement_summary_test.go +++ b/util/stmtsummary/statement_summary_test.go @@ -38,8 +38,8 @@ type testStmtSummarySuite struct { ssMap *stmtSummaryByDigestMap } -func emptyPlanGenerator() string { - return "" +func emptyPlanGenerator() (string, string) { + return "", "" } func fakePlanDigestGenerator() string { @@ -75,11 +75,12 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) { digest: stmtExecInfo1.Digest, planDigest: stmtExecInfo1.PlanDigest, } + samplePlan, _ := stmtExecInfo1.PlanGenerator() expectedSummaryElement := stmtSummaryByDigestElement{ beginTime: now + 60, endTime: now + 1860, sampleSQL: stmtExecInfo1.OriginalSQL, - samplePlan: stmtExecInfo1.PlanGenerator(), + samplePlan: samplePlan, indexNames: stmtExecInfo1.StmtCtx.IndexNames, execCount: 1, sumLatency: stmtExecInfo1.TotalLatency, @@ -921,22 +922,19 @@ func (s *testStmtSummarySuite) TestGetMoreThanOnceBindableStmt(c *C) { stmtExecInfo1.NormalizedSQL = "insert ?" stmtExecInfo1.StmtCtx.StmtType = "Insert" s.ssMap.AddStatement(stmtExecInfo1) - schemas, sqls := s.ssMap.GetMoreThanOnceBindableStmt() - c.Assert(len(schemas), Equals, 0) - c.Assert(len(sqls), Equals, 0) + stmts := s.ssMap.GetMoreThanOnceBindableStmt() + c.Assert(len(stmts), Equals, 0) stmtExecInfo1.NormalizedSQL = "select ?" stmtExecInfo1.Digest = "digest1" stmtExecInfo1.StmtCtx.StmtType = "Select" s.ssMap.AddStatement(stmtExecInfo1) - schemas, sqls = s.ssMap.GetMoreThanOnceBindableStmt() - c.Assert(len(schemas), Equals, 0) - c.Assert(len(sqls), Equals, 0) + stmts = s.ssMap.GetMoreThanOnceBindableStmt() + c.Assert(len(stmts), Equals, 0) s.ssMap.AddStatement(stmtExecInfo1) - schemas, sqls = s.ssMap.GetMoreThanOnceBindableStmt() - c.Assert(len(schemas), Equals, 1) - c.Assert(len(sqls), Equals, 1) + stmts = s.ssMap.GetMoreThanOnceBindableStmt() + c.Assert(len(stmts), Equals, 1) } // Test `formatBackoffTypes`. From d44e123395e55077884480cd41d8af3ba87501f3 Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Tue, 22 Dec 2020 16:43:26 +0800 Subject: [PATCH 0535/1021] planner: prevent agg push down if it is in the outer child of apply (#21902) --- .../r/access_path_selection.result | 10 +- cmd/explaintest/r/explain_complex.result | 94 ++-- .../r/explain_complex_stats.result | 58 +- cmd/explaintest/r/explain_easy.result | 367 ++++++------ cmd/explaintest/r/explain_join_stats.result | 34 +- cmd/explaintest/r/select.result | 10 +- cmd/explaintest/r/subquery.result | 12 +- cmd/explaintest/r/tpch.result | 532 +++++++++--------- executor/executor_test.go | 4 +- executor/join_test.go | 66 +-- executor/testdata/agg_suite_out.json | 44 +- executor/testdata/executor_suite_out.json | 90 +-- expression/integration_test.go | 6 +- planner/core/exhaust_physical_plans.go | 31 +- planner/core/integration_test.go | 16 +- planner/core/logical_plans.go | 4 + planner/core/testdata/analyze_suite_out.json | 28 +- .../integration_serial_suite_out.json | 244 ++++---- .../core/testdata/integration_suite_out.json | 64 +-- .../core/testdata/partition_pruner_out.json | 64 +-- planner/core/testdata/plan_suite_out.json | 34 +- planner/core/testdata/stats_suite_out.json | 112 ++-- util/ranger/testdata/ranger_suite_out.json | 12 +- 23 files changed, 977 insertions(+), 959 deletions(-) diff --git a/cmd/explaintest/r/access_path_selection.result b/cmd/explaintest/r/access_path_selection.result index 5b569d0a8e528..70b20e745905d 100644 --- a/cmd/explaintest/r/access_path_selection.result +++ b/cmd/explaintest/r/access_path_selection.result @@ -31,11 +31,11 @@ Projection_6 3333.33 root test.access_path_selection.a, test.access_path_select └─TableFullScan_11 10000.00 cop[tikv] table:access_path_selection keep order:true, stats:pseudo explain select max(_tidb_rowid) from access_path_selection; id estRows task access object operator info -StreamAgg_13 1.00 root funcs:max(test.access_path_selection._tidb_rowid)->Column#4 -└─Limit_17 1.00 root offset:0, count:1 - └─TableReader_27 1.00 root data:Limit_26 - └─Limit_26 1.00 cop[tikv] offset:0, count:1 - └─TableFullScan_25 1.25 cop[tikv] table:access_path_selection keep order:true, desc, stats:pseudo +StreamAgg_10 1.00 root funcs:max(test.access_path_selection._tidb_rowid)->Column#4 +└─Limit_14 1.00 root offset:0, count:1 + └─TableReader_24 1.00 root data:Limit_23 + └─Limit_23 1.00 cop[tikv] offset:0, count:1 + └─TableFullScan_22 1.25 cop[tikv] table:access_path_selection keep order:true, desc, stats:pseudo explain select count(1) from access_path_selection; id estRows task access object operator info StreamAgg_28 1.00 root funcs:count(Column#18)->Column#4 diff --git a/cmd/explaintest/r/explain_complex.result b/cmd/explaintest/r/explain_complex.result index 7cfab6673d3bf..c6e48c1b1d832 100644 --- a/cmd/explaintest/r/explain_complex.result +++ b/cmd/explaintest/r/explain_complex.result @@ -117,16 +117,16 @@ explain select gad.id as gid,sdk.id as sid,gad.aid as aid,gad.cm as cm,sdk.dic a id estRows task access object operator info Projection_13 1.00 root test.st.id, test.dd.id, test.st.aid, test.st.cm, test.dd.dic, test.dd.ip, test.dd.t, test.st.p1, test.st.p2, test.st.p3, test.st.p4, test.st.p5, test.st.p6_md5, test.st.p7_md5, test.st.ext, test.st.t └─Limit_16 1.00 root offset:0, count:2500 - └─HashAgg_19 1.00 root group by:test.dd.dic, test.st.aid, funcs:firstrow(test.st.id)->test.st.id, funcs:firstrow(test.st.aid)->test.st.aid, funcs:firstrow(test.st.cm)->test.st.cm, funcs:firstrow(test.st.p1)->test.st.p1, funcs:firstrow(test.st.p2)->test.st.p2, funcs:firstrow(test.st.p3)->test.st.p3, funcs:firstrow(test.st.p4)->test.st.p4, funcs:firstrow(test.st.p5)->test.st.p5, funcs:firstrow(test.st.p6_md5)->test.st.p6_md5, funcs:firstrow(test.st.p7_md5)->test.st.p7_md5, funcs:firstrow(test.st.ext)->test.st.ext, funcs:firstrow(test.st.t)->test.st.t, funcs:firstrow(test.dd.id)->test.dd.id, funcs:firstrow(test.dd.dic)->test.dd.dic, funcs:firstrow(test.dd.ip)->test.dd.ip, funcs:firstrow(test.dd.t)->test.dd.t - └─HashJoin_33 0.00 root inner join, equal:[eq(test.dd.aid, test.st.aid) eq(test.dd.ip, test.st.ip)], other cond:gt(test.dd.t, test.st.t) - ├─IndexLookUp_51(Build) 0.00 root - │ ├─IndexRangeScan_48(Build) 3333.33 cop[tikv] table:dd, index:t(t) range:(1478143908,+inf], keep order:false, stats:pseudo - │ └─Selection_50(Probe) 0.00 cop[tikv] eq(test.dd.bm, 0), eq(test.dd.pt, "android"), not(isnull(test.dd.ip)) - │ └─TableRowIDScan_49 3333.33 cop[tikv] table:dd keep order:false, stats:pseudo - └─IndexLookUp_40(Probe) 3.33 root - ├─IndexRangeScan_37(Build) 3333.33 cop[tikv] table:gad, index:t(t) range:(1478143908,+inf], keep order:false, stats:pseudo - └─Selection_39(Probe) 3.33 cop[tikv] eq(test.st.pt, "android"), not(isnull(test.st.ip)) - └─TableRowIDScan_38 3333.33 cop[tikv] table:gad keep order:false, stats:pseudo + └─HashAgg_17 1.00 root group by:test.dd.dic, test.st.aid, funcs:firstrow(test.st.id)->test.st.id, funcs:firstrow(test.st.aid)->test.st.aid, funcs:firstrow(test.st.cm)->test.st.cm, funcs:firstrow(test.st.p1)->test.st.p1, funcs:firstrow(test.st.p2)->test.st.p2, funcs:firstrow(test.st.p3)->test.st.p3, funcs:firstrow(test.st.p4)->test.st.p4, funcs:firstrow(test.st.p5)->test.st.p5, funcs:firstrow(test.st.p6_md5)->test.st.p6_md5, funcs:firstrow(test.st.p7_md5)->test.st.p7_md5, funcs:firstrow(test.st.ext)->test.st.ext, funcs:firstrow(test.st.t)->test.st.t, funcs:firstrow(test.dd.id)->test.dd.id, funcs:firstrow(test.dd.dic)->test.dd.dic, funcs:firstrow(test.dd.ip)->test.dd.ip, funcs:firstrow(test.dd.t)->test.dd.t + └─HashJoin_31 0.00 root inner join, equal:[eq(test.dd.aid, test.st.aid) eq(test.dd.ip, test.st.ip)], other cond:gt(test.dd.t, test.st.t) + ├─IndexLookUp_49(Build) 0.00 root + │ ├─IndexRangeScan_46(Build) 3333.33 cop[tikv] table:dd, index:t(t) range:(1478143908,+inf], keep order:false, stats:pseudo + │ └─Selection_48(Probe) 0.00 cop[tikv] eq(test.dd.bm, 0), eq(test.dd.pt, "android"), not(isnull(test.dd.ip)) + │ └─TableRowIDScan_47 3333.33 cop[tikv] table:dd keep order:false, stats:pseudo + └─IndexLookUp_38(Probe) 3.33 root + ├─IndexRangeScan_35(Build) 3333.33 cop[tikv] table:gad, index:t(t) range:(1478143908,+inf], keep order:false, stats:pseudo + └─Selection_37(Probe) 3.33 cop[tikv] eq(test.st.pt, "android"), not(isnull(test.st.ip)) + └─TableRowIDScan_36 3333.33 cop[tikv] table:gad keep order:false, stats:pseudo explain select gad.id as gid,sdk.id as sid,gad.aid as aid,gad.cm as cm,sdk.dic as dic,sdk.ip as ip, sdk.t as t, gad.p1 as p1, gad.p2 as p2, gad.p3 as p3, gad.p4 as p4, gad.p5 as p5, gad.p6_md5 as p6, gad.p7_md5 as p7, gad.ext as ext from st gad join dd sdk on gad.aid = sdk.aid and gad.dic = sdk.mac and gad.t < sdk.t where gad.t > 1477971479 and gad.bm = 0 and gad.pt = 'ios' and gad.dit = 'mac' and sdk.t > 1477971479 and sdk.bm = 0 and sdk.pt = 'ios' limit 3000; id estRows task access object operator info Projection_10 0.00 root test.st.id, test.dd.id, test.st.aid, test.st.cm, test.dd.dic, test.dd.ip, test.dd.t, test.st.p1, test.st.p2, test.st.p3, test.st.p4, test.st.p5, test.st.p6_md5, test.st.p7_md5, test.st.ext @@ -180,27 +180,27 @@ CREATE TABLE `tbl_008` (`a` int, `b` int); CREATE TABLE `tbl_009` (`a` int, `b` int); explain select sum(a) from (select * from tbl_001 union all select * from tbl_002 union all select * from tbl_003 union all select * from tbl_004 union all select * from tbl_005 union all select * from tbl_006 union all select * from tbl_007 union all select * from tbl_008 union all select * from tbl_009) x group by b; id estRows task access object operator info -HashAgg_34 72000.00 root group by:Column#32, funcs:sum(Column#31)->Column#30 -└─Projection_63 90000.00 root cast(Column#28, decimal(32,0) BINARY)->Column#31, Column#29 - └─Union_35 90000.00 root - ├─TableReader_38 10000.00 root data:TableFullScan_37 - │ └─TableFullScan_37 10000.00 cop[tikv] table:tbl_001 keep order:false, stats:pseudo - ├─TableReader_41 10000.00 root data:TableFullScan_40 - │ └─TableFullScan_40 10000.00 cop[tikv] table:tbl_002 keep order:false, stats:pseudo - ├─TableReader_44 10000.00 root data:TableFullScan_43 - │ └─TableFullScan_43 10000.00 cop[tikv] table:tbl_003 keep order:false, stats:pseudo - ├─TableReader_47 10000.00 root data:TableFullScan_46 - │ └─TableFullScan_46 10000.00 cop[tikv] table:tbl_004 keep order:false, stats:pseudo - ├─TableReader_50 10000.00 root data:TableFullScan_49 - │ └─TableFullScan_49 10000.00 cop[tikv] table:tbl_005 keep order:false, stats:pseudo - ├─TableReader_53 10000.00 root data:TableFullScan_52 - │ └─TableFullScan_52 10000.00 cop[tikv] table:tbl_006 keep order:false, stats:pseudo - ├─TableReader_56 10000.00 root data:TableFullScan_55 - │ └─TableFullScan_55 10000.00 cop[tikv] table:tbl_007 keep order:false, stats:pseudo - ├─TableReader_59 10000.00 root data:TableFullScan_58 - │ └─TableFullScan_58 10000.00 cop[tikv] table:tbl_008 keep order:false, stats:pseudo - └─TableReader_62 10000.00 root data:TableFullScan_61 - └─TableFullScan_61 10000.00 cop[tikv] table:tbl_009 keep order:false, stats:pseudo +HashAgg_32 72000.00 root group by:Column#32, funcs:sum(Column#31)->Column#30 +└─Projection_61 90000.00 root cast(Column#28, decimal(32,0) BINARY)->Column#31, Column#29 + └─Union_33 90000.00 root + ├─TableReader_36 10000.00 root data:TableFullScan_35 + │ └─TableFullScan_35 10000.00 cop[tikv] table:tbl_001 keep order:false, stats:pseudo + ├─TableReader_39 10000.00 root data:TableFullScan_38 + │ └─TableFullScan_38 10000.00 cop[tikv] table:tbl_002 keep order:false, stats:pseudo + ├─TableReader_42 10000.00 root data:TableFullScan_41 + │ └─TableFullScan_41 10000.00 cop[tikv] table:tbl_003 keep order:false, stats:pseudo + ├─TableReader_45 10000.00 root data:TableFullScan_44 + │ └─TableFullScan_44 10000.00 cop[tikv] table:tbl_004 keep order:false, stats:pseudo + ├─TableReader_48 10000.00 root data:TableFullScan_47 + │ └─TableFullScan_47 10000.00 cop[tikv] table:tbl_005 keep order:false, stats:pseudo + ├─TableReader_51 10000.00 root data:TableFullScan_50 + │ └─TableFullScan_50 10000.00 cop[tikv] table:tbl_006 keep order:false, stats:pseudo + ├─TableReader_54 10000.00 root data:TableFullScan_53 + │ └─TableFullScan_53 10000.00 cop[tikv] table:tbl_007 keep order:false, stats:pseudo + ├─TableReader_57 10000.00 root data:TableFullScan_56 + │ └─TableFullScan_56 10000.00 cop[tikv] table:tbl_008 keep order:false, stats:pseudo + └─TableReader_60 10000.00 root data:TableFullScan_59 + └─TableFullScan_59 10000.00 cop[tikv] table:tbl_009 keep order:false, stats:pseudo CREATE TABLE org_department ( id int(11) NOT NULL AUTO_INCREMENT, ctx int(11) DEFAULT '0' COMMENT 'organization id', @@ -244,19 +244,19 @@ UNIQUE KEY org_employee_position_pk (hotel_id,user_id,position_id) explain SELECT d.id, d.ctx, d.name, d.left_value, d.right_value, d.depth, d.leader_id, d.status, d.created_on, d.updated_on FROM org_department AS d LEFT JOIN org_position AS p ON p.department_id = d.id AND p.status = 1000 LEFT JOIN org_employee_position AS ep ON ep.position_id = p.id AND ep.status = 1000 WHERE (d.ctx = 1 AND (ep.user_id = 62 OR d.id = 20 OR d.id = 20) AND d.status = 1000) GROUP BY d.id ORDER BY d.left_value; id estRows task access object operator info Sort_10 1.00 root test.org_department.left_value -└─HashAgg_15 1.00 root group by:test.org_department.id, funcs:firstrow(test.org_department.id)->test.org_department.id, funcs:firstrow(test.org_department.ctx)->test.org_department.ctx, funcs:firstrow(test.org_department.name)->test.org_department.name, funcs:firstrow(test.org_department.left_value)->test.org_department.left_value, funcs:firstrow(test.org_department.right_value)->test.org_department.right_value, funcs:firstrow(test.org_department.depth)->test.org_department.depth, funcs:firstrow(test.org_department.leader_id)->test.org_department.leader_id, funcs:firstrow(test.org_department.status)->test.org_department.status, funcs:firstrow(test.org_department.created_on)->test.org_department.created_on, funcs:firstrow(test.org_department.updated_on)->test.org_department.updated_on - └─Selection_22 0.01 root or(eq(test.org_employee_position.user_id, 62), or(eq(test.org_department.id, 20), eq(test.org_department.id, 20))) - └─HashJoin_24 0.02 root left outer join, equal:[eq(test.org_position.id, test.org_employee_position.position_id)] - ├─IndexJoin_33(Build) 0.01 root left outer join, inner:IndexLookUp_32, outer key:test.org_department.id, inner key:test.org_position.department_id, equal cond:eq(test.org_department.id, test.org_position.department_id) - │ ├─IndexLookUp_62(Build) 0.01 root - │ │ ├─IndexRangeScan_59(Build) 10.00 cop[tikv] table:d, index:org_department_ctx_index(ctx) range:[1,1], keep order:false, stats:pseudo - │ │ └─Selection_61(Probe) 0.01 cop[tikv] eq(test.org_department.status, 1000) - │ │ └─TableRowIDScan_60 10.00 cop[tikv] table:d keep order:false, stats:pseudo - │ └─IndexLookUp_32(Probe) 1.25 root - │ ├─Selection_30(Build) 1250.00 cop[tikv] not(isnull(test.org_position.department_id)) - │ │ └─IndexRangeScan_28 1251.25 cop[tikv] table:p, index:org_position_department_id_index(department_id) range: decided by [eq(test.org_position.department_id, test.org_department.id)], keep order:false, stats:pseudo - │ └─Selection_31(Probe) 1.25 cop[tikv] eq(test.org_position.status, 1000) - │ └─TableRowIDScan_29 1250.00 cop[tikv] table:p keep order:false, stats:pseudo - └─TableReader_72(Probe) 9.99 root data:Selection_71 - └─Selection_71 9.99 cop[tikv] eq(test.org_employee_position.status, 1000), not(isnull(test.org_employee_position.position_id)) - └─TableFullScan_70 10000.00 cop[tikv] table:ep keep order:false, stats:pseudo +└─HashAgg_13 1.00 root group by:test.org_department.id, funcs:firstrow(test.org_department.id)->test.org_department.id, funcs:firstrow(test.org_department.ctx)->test.org_department.ctx, funcs:firstrow(test.org_department.name)->test.org_department.name, funcs:firstrow(test.org_department.left_value)->test.org_department.left_value, funcs:firstrow(test.org_department.right_value)->test.org_department.right_value, funcs:firstrow(test.org_department.depth)->test.org_department.depth, funcs:firstrow(test.org_department.leader_id)->test.org_department.leader_id, funcs:firstrow(test.org_department.status)->test.org_department.status, funcs:firstrow(test.org_department.created_on)->test.org_department.created_on, funcs:firstrow(test.org_department.updated_on)->test.org_department.updated_on + └─Selection_17 0.01 root or(eq(test.org_employee_position.user_id, 62), or(eq(test.org_department.id, 20), eq(test.org_department.id, 20))) + └─HashJoin_19 0.02 root left outer join, equal:[eq(test.org_position.id, test.org_employee_position.position_id)] + ├─IndexJoin_28(Build) 0.01 root left outer join, inner:IndexLookUp_27, outer key:test.org_department.id, inner key:test.org_position.department_id, equal cond:eq(test.org_department.id, test.org_position.department_id) + │ ├─IndexLookUp_57(Build) 0.01 root + │ │ ├─IndexRangeScan_54(Build) 10.00 cop[tikv] table:d, index:org_department_ctx_index(ctx) range:[1,1], keep order:false, stats:pseudo + │ │ └─Selection_56(Probe) 0.01 cop[tikv] eq(test.org_department.status, 1000) + │ │ └─TableRowIDScan_55 10.00 cop[tikv] table:d keep order:false, stats:pseudo + │ └─IndexLookUp_27(Probe) 1.25 root + │ ├─Selection_25(Build) 1250.00 cop[tikv] not(isnull(test.org_position.department_id)) + │ │ └─IndexRangeScan_23 1251.25 cop[tikv] table:p, index:org_position_department_id_index(department_id) range: decided by [eq(test.org_position.department_id, test.org_department.id)], keep order:false, stats:pseudo + │ └─Selection_26(Probe) 1.25 cop[tikv] eq(test.org_position.status, 1000) + │ └─TableRowIDScan_24 1250.00 cop[tikv] table:p keep order:false, stats:pseudo + └─TableReader_67(Probe) 9.99 root data:Selection_66 + └─Selection_66 9.99 cop[tikv] eq(test.org_employee_position.status, 1000), not(isnull(test.org_employee_position.position_id)) + └─TableFullScan_65 10000.00 cop[tikv] table:ep keep order:false, stats:pseudo diff --git a/cmd/explaintest/r/explain_complex_stats.result b/cmd/explaintest/r/explain_complex_stats.result index aed18d787a36c..6e3dfda2b90ba 100644 --- a/cmd/explaintest/r/explain_complex_stats.result +++ b/cmd/explaintest/r/explain_complex_stats.result @@ -127,14 +127,14 @@ explain select gad.id as gid,sdk.id as sid,gad.aid as aid,gad.cm as cm,sdk.dic a id estRows task access object operator info Projection_13 424.00 root test.st.id, test.dd.id, test.st.aid, test.st.cm, test.dd.dic, test.dd.ip, test.dd.t, test.st.p1, test.st.p2, test.st.p3, test.st.p4, test.st.p5, test.st.p6_md5, test.st.p7_md5, test.st.ext, test.st.t └─Limit_16 424.00 root offset:0, count:2500 - └─HashAgg_19 424.00 root group by:test.dd.dic, test.st.aid, funcs:firstrow(test.st.id)->test.st.id, funcs:firstrow(test.st.aid)->test.st.aid, funcs:firstrow(test.st.cm)->test.st.cm, funcs:firstrow(test.st.p1)->test.st.p1, funcs:firstrow(test.st.p2)->test.st.p2, funcs:firstrow(test.st.p3)->test.st.p3, funcs:firstrow(test.st.p4)->test.st.p4, funcs:firstrow(test.st.p5)->test.st.p5, funcs:firstrow(test.st.p6_md5)->test.st.p6_md5, funcs:firstrow(test.st.p7_md5)->test.st.p7_md5, funcs:firstrow(test.st.ext)->test.st.ext, funcs:firstrow(test.st.t)->test.st.t, funcs:firstrow(test.dd.id)->test.dd.id, funcs:firstrow(test.dd.dic)->test.dd.dic, funcs:firstrow(test.dd.ip)->test.dd.ip, funcs:firstrow(test.dd.t)->test.dd.t - └─HashJoin_33 424.00 root inner join, equal:[eq(test.st.aid, test.dd.aid) eq(test.st.ip, test.dd.ip)], other cond:gt(test.dd.t, test.st.t) - ├─TableReader_36(Build) 424.00 root data:Selection_35 - │ └─Selection_35 424.00 cop[tikv] eq(test.st.bm, 0), eq(test.st.pt, "android"), gt(test.st.t, 1478143908), not(isnull(test.st.ip)) - │ └─TableRangeScan_34 1999.00 cop[tikv] table:gad range:[0,+inf], keep order:false - └─TableReader_43(Probe) 455.80 root data:Selection_42 - └─Selection_42 455.80 cop[tikv] eq(test.dd.bm, 0), eq(test.dd.pt, "android"), gt(test.dd.t, 1478143908), not(isnull(test.dd.ip)), not(isnull(test.dd.t)) - └─TableRangeScan_41 2000.00 cop[tikv] table:dd range:[0,+inf], keep order:false + └─HashAgg_17 424.00 root group by:test.dd.dic, test.st.aid, funcs:firstrow(test.st.id)->test.st.id, funcs:firstrow(test.st.aid)->test.st.aid, funcs:firstrow(test.st.cm)->test.st.cm, funcs:firstrow(test.st.p1)->test.st.p1, funcs:firstrow(test.st.p2)->test.st.p2, funcs:firstrow(test.st.p3)->test.st.p3, funcs:firstrow(test.st.p4)->test.st.p4, funcs:firstrow(test.st.p5)->test.st.p5, funcs:firstrow(test.st.p6_md5)->test.st.p6_md5, funcs:firstrow(test.st.p7_md5)->test.st.p7_md5, funcs:firstrow(test.st.ext)->test.st.ext, funcs:firstrow(test.st.t)->test.st.t, funcs:firstrow(test.dd.id)->test.dd.id, funcs:firstrow(test.dd.dic)->test.dd.dic, funcs:firstrow(test.dd.ip)->test.dd.ip, funcs:firstrow(test.dd.t)->test.dd.t + └─HashJoin_31 424.00 root inner join, equal:[eq(test.st.aid, test.dd.aid) eq(test.st.ip, test.dd.ip)], other cond:gt(test.dd.t, test.st.t) + ├─TableReader_34(Build) 424.00 root data:Selection_33 + │ └─Selection_33 424.00 cop[tikv] eq(test.st.bm, 0), eq(test.st.pt, "android"), gt(test.st.t, 1478143908), not(isnull(test.st.ip)) + │ └─TableRangeScan_32 1999.00 cop[tikv] table:gad range:[0,+inf], keep order:false + └─TableReader_41(Probe) 455.80 root data:Selection_40 + └─Selection_40 455.80 cop[tikv] eq(test.dd.bm, 0), eq(test.dd.pt, "android"), gt(test.dd.t, 1478143908), not(isnull(test.dd.ip)), not(isnull(test.dd.t)) + └─TableRangeScan_39 2000.00 cop[tikv] table:dd range:[0,+inf], keep order:false explain select gad.id as gid,sdk.id as sid,gad.aid as aid,gad.cm as cm,sdk.dic as dic,sdk.ip as ip, sdk.t as t, gad.p1 as p1, gad.p2 as p2, gad.p3 as p3, gad.p4 as p4, gad.p5 as p5, gad.p6_md5 as p6, gad.p7_md5 as p7, gad.ext as ext from st gad join dd sdk on gad.aid = sdk.aid and gad.dic = sdk.mac and gad.t < sdk.t where gad.t > 1477971479 and gad.bm = 0 and gad.pt = 'ios' and gad.dit = 'mac' and sdk.t > 1477971479 and sdk.bm = 0 and sdk.pt = 'ios' limit 3000; id estRows task access object operator info Projection_10 170.34 root test.st.id, test.dd.id, test.st.aid, test.st.cm, test.dd.dic, test.dd.ip, test.dd.t, test.st.p1, test.st.p2, test.st.p3, test.st.p4, test.st.p5, test.st.p6_md5, test.st.p7_md5, test.st.ext @@ -204,24 +204,24 @@ CREATE TABLE tbl_009 (a int, b int); load stats 's/explain_complex_stats_tbl_009.json'; explain select sum(a) from (select * from tbl_001 union all select * from tbl_002 union all select * from tbl_003 union all select * from tbl_004 union all select * from tbl_005 union all select * from tbl_006 union all select * from tbl_007 union all select * from tbl_008 union all select * from tbl_009) x group by b; id estRows task access object operator info -HashAgg_34 18000.00 root group by:Column#32, funcs:sum(Column#31)->Column#30 -└─Projection_63 18000.00 root cast(Column#28, decimal(32,0) BINARY)->Column#31, Column#29 - └─Union_35 18000.00 root - ├─TableReader_38 2000.00 root data:TableFullScan_37 - │ └─TableFullScan_37 2000.00 cop[tikv] table:tbl_001 keep order:false - ├─TableReader_41 2000.00 root data:TableFullScan_40 - │ └─TableFullScan_40 2000.00 cop[tikv] table:tbl_002 keep order:false - ├─TableReader_44 2000.00 root data:TableFullScan_43 - │ └─TableFullScan_43 2000.00 cop[tikv] table:tbl_003 keep order:false - ├─TableReader_47 2000.00 root data:TableFullScan_46 - │ └─TableFullScan_46 2000.00 cop[tikv] table:tbl_004 keep order:false - ├─TableReader_50 2000.00 root data:TableFullScan_49 - │ └─TableFullScan_49 2000.00 cop[tikv] table:tbl_005 keep order:false - ├─TableReader_53 2000.00 root data:TableFullScan_52 - │ └─TableFullScan_52 2000.00 cop[tikv] table:tbl_006 keep order:false - ├─TableReader_56 2000.00 root data:TableFullScan_55 - │ └─TableFullScan_55 2000.00 cop[tikv] table:tbl_007 keep order:false - ├─TableReader_59 2000.00 root data:TableFullScan_58 - │ └─TableFullScan_58 2000.00 cop[tikv] table:tbl_008 keep order:false - └─TableReader_62 2000.00 root data:TableFullScan_61 - └─TableFullScan_61 2000.00 cop[tikv] table:tbl_009 keep order:false +HashAgg_32 18000.00 root group by:Column#32, funcs:sum(Column#31)->Column#30 +└─Projection_61 18000.00 root cast(Column#28, decimal(32,0) BINARY)->Column#31, Column#29 + └─Union_33 18000.00 root + ├─TableReader_36 2000.00 root data:TableFullScan_35 + │ └─TableFullScan_35 2000.00 cop[tikv] table:tbl_001 keep order:false + ├─TableReader_39 2000.00 root data:TableFullScan_38 + │ └─TableFullScan_38 2000.00 cop[tikv] table:tbl_002 keep order:false + ├─TableReader_42 2000.00 root data:TableFullScan_41 + │ └─TableFullScan_41 2000.00 cop[tikv] table:tbl_003 keep order:false + ├─TableReader_45 2000.00 root data:TableFullScan_44 + │ └─TableFullScan_44 2000.00 cop[tikv] table:tbl_004 keep order:false + ├─TableReader_48 2000.00 root data:TableFullScan_47 + │ └─TableFullScan_47 2000.00 cop[tikv] table:tbl_005 keep order:false + ├─TableReader_51 2000.00 root data:TableFullScan_50 + │ └─TableFullScan_50 2000.00 cop[tikv] table:tbl_006 keep order:false + ├─TableReader_54 2000.00 root data:TableFullScan_53 + │ └─TableFullScan_53 2000.00 cop[tikv] table:tbl_007 keep order:false + ├─TableReader_57 2000.00 root data:TableFullScan_56 + │ └─TableFullScan_56 2000.00 cop[tikv] table:tbl_008 keep order:false + └─TableReader_60 2000.00 root data:TableFullScan_59 + └─TableFullScan_59 2000.00 cop[tikv] table:tbl_009 keep order:false diff --git a/cmd/explaintest/r/explain_easy.result b/cmd/explaintest/r/explain_easy.result index 5d1a713f46431..5f3717ce25c79 100644 --- a/cmd/explaintest/r/explain_easy.result +++ b/cmd/explaintest/r/explain_easy.result @@ -90,13 +90,13 @@ Selection_6 0.33 root gt(test.t1.c2, 1) └─Point_Get_5 1.00 root table:t1 handle:1 explain select sum(t1.c1 in (select c1 from t2)) from t1; id estRows task access object operator info -StreamAgg_12 1.00 root funcs:sum(Column#10)->Column#8 -└─Projection_23 10000.00 root cast(Column#7, decimal(65,0) BINARY)->Column#10 - └─HashJoin_22 10000.00 root CARTESIAN left outer semi join, other cond:eq(test.t1.c1, test.t2.c1) - ├─IndexReader_21(Build) 10000.00 root index:IndexFullScan_20 - │ └─IndexFullScan_20 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:false, stats:pseudo - └─TableReader_15(Probe) 10000.00 root data:TableFullScan_14 - └─TableFullScan_14 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +StreamAgg_9 1.00 root funcs:sum(Column#10)->Column#8 +└─Projection_20 10000.00 root cast(Column#7, decimal(65,0) BINARY)->Column#10 + └─HashJoin_19 10000.00 root CARTESIAN left outer semi join, other cond:eq(test.t1.c1, test.t2.c1) + ├─IndexReader_18(Build) 10000.00 root index:IndexFullScan_17 + │ └─IndexFullScan_17 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:false, stats:pseudo + └─TableReader_12(Probe) 10000.00 root data:TableFullScan_11 + └─TableFullScan_11 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo explain select c1 from t1 where c1 in (select c2 from t2); id estRows task access object operator info HashJoin_19 9990.00 root inner join, equal:[eq(test.t1.c1, test.t2.c2)] @@ -162,29 +162,29 @@ TableReader_5 10000.00 root data:TableFullScan_4 explain select c1 from t2 union select c1 from t2 union all select c1 from t2; id estRows task access object operator info Union_17 26000.00 root -├─HashAgg_21 16000.00 root group by:Column#10, funcs:firstrow(Column#12)->Column#10 -│ └─Union_22 16000.00 root -│ ├─StreamAgg_27 8000.00 root group by:test.t2.c1, funcs:firstrow(test.t2.c1)->Column#12, funcs:firstrow(test.t2.c1)->Column#10 -│ │ └─IndexReader_40 10000.00 root index:IndexFullScan_39 -│ │ └─IndexFullScan_39 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:true, stats:pseudo -│ └─StreamAgg_45 8000.00 root group by:test.t2.c1, funcs:firstrow(test.t2.c1)->Column#12, funcs:firstrow(test.t2.c1)->Column#10 -│ └─IndexReader_58 10000.00 root index:IndexFullScan_57 -│ └─IndexFullScan_57 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:true, stats:pseudo -└─IndexReader_63 10000.00 root index:IndexFullScan_62 - └─IndexFullScan_62 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:false, stats:pseudo +├─HashAgg_19 16000.00 root group by:Column#10, funcs:firstrow(Column#12)->Column#10 +│ └─Union_20 16000.00 root +│ ├─StreamAgg_25 8000.00 root group by:test.t2.c1, funcs:firstrow(test.t2.c1)->Column#12, funcs:firstrow(test.t2.c1)->Column#10 +│ │ └─IndexReader_38 10000.00 root index:IndexFullScan_37 +│ │ └─IndexFullScan_37 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:true, stats:pseudo +│ └─StreamAgg_43 8000.00 root group by:test.t2.c1, funcs:firstrow(test.t2.c1)->Column#12, funcs:firstrow(test.t2.c1)->Column#10 +│ └─IndexReader_56 10000.00 root index:IndexFullScan_55 +│ └─IndexFullScan_55 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:true, stats:pseudo +└─IndexReader_61 10000.00 root index:IndexFullScan_60 + └─IndexFullScan_60 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:false, stats:pseudo explain select c1 from t2 union all select c1 from t2 union select c1 from t2; id estRows task access object operator info -HashAgg_18 24000.00 root group by:Column#10, funcs:firstrow(Column#11)->Column#10 -└─Union_19 24000.00 root - ├─StreamAgg_24 8000.00 root group by:test.t2.c1, funcs:firstrow(test.t2.c1)->Column#11, funcs:firstrow(test.t2.c1)->Column#10 - │ └─IndexReader_37 10000.00 root index:IndexFullScan_36 - │ └─IndexFullScan_36 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:true, stats:pseudo - ├─StreamAgg_42 8000.00 root group by:test.t2.c1, funcs:firstrow(test.t2.c1)->Column#11, funcs:firstrow(test.t2.c1)->Column#10 - │ └─IndexReader_55 10000.00 root index:IndexFullScan_54 - │ └─IndexFullScan_54 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:true, stats:pseudo - └─StreamAgg_60 8000.00 root group by:test.t2.c1, funcs:firstrow(test.t2.c1)->Column#11, funcs:firstrow(test.t2.c1)->Column#10 - └─IndexReader_73 10000.00 root index:IndexFullScan_72 - └─IndexFullScan_72 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:true, stats:pseudo +HashAgg_16 24000.00 root group by:Column#10, funcs:firstrow(Column#11)->Column#10 +└─Union_17 24000.00 root + ├─StreamAgg_22 8000.00 root group by:test.t2.c1, funcs:firstrow(test.t2.c1)->Column#11, funcs:firstrow(test.t2.c1)->Column#10 + │ └─IndexReader_35 10000.00 root index:IndexFullScan_34 + │ └─IndexFullScan_34 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:true, stats:pseudo + ├─StreamAgg_40 8000.00 root group by:test.t2.c1, funcs:firstrow(test.t2.c1)->Column#11, funcs:firstrow(test.t2.c1)->Column#10 + │ └─IndexReader_53 10000.00 root index:IndexFullScan_52 + │ └─IndexFullScan_52 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:true, stats:pseudo + └─StreamAgg_58 8000.00 root group by:test.t2.c1, funcs:firstrow(test.t2.c1)->Column#11, funcs:firstrow(test.t2.c1)->Column#10 + └─IndexReader_71 10000.00 root index:IndexFullScan_70 + └─IndexFullScan_70 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:true, stats:pseudo select * from information_schema.tidb_indexes where table_name='t4'; TABLE_SCHEMA TABLE_NAME NON_UNIQUE KEY_NAME SEQ_IN_INDEX COLUMN_NAME SUB_PART INDEX_COMMENT Expression INDEX_ID IS_VISIBLE test t4 0 PRIMARY 1 a NULL NULL 0 YES @@ -193,12 +193,12 @@ test t4 1 idx 2 b NULL NULL 1 YES test t4 1 expr_idx 1 NULL NULL (`a` + `b` + 1) 2 YES explain select count(1) from (select count(1) from (select * from t1 where c3 = 100) k) k2; id estRows task access object operator info -StreamAgg_13 1.00 root funcs:count(1)->Column#5 -└─StreamAgg_28 1.00 root funcs:firstrow(Column#9)->Column#7 - └─TableReader_29 1.00 root data:StreamAgg_17 - └─StreamAgg_17 1.00 cop[tikv] funcs:firstrow(1)->Column#9 - └─Selection_27 10.00 cop[tikv] eq(test.t1.c3, 100) - └─TableFullScan_26 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +StreamAgg_10 1.00 root funcs:count(1)->Column#5 +└─StreamAgg_25 1.00 root funcs:firstrow(Column#9)->Column#7 + └─TableReader_26 1.00 root data:StreamAgg_14 + └─StreamAgg_14 1.00 cop[tikv] funcs:firstrow(1)->Column#9 + └─Selection_24 10.00 cop[tikv] eq(test.t1.c3, 100) + └─TableFullScan_23 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo explain select 1 from (select count(c2), count(c3) from t1) k; id estRows task access object operator info Projection_5 1.00 root 1->Column#6 @@ -208,27 +208,27 @@ Projection_5 1.00 root 1->Column#6 └─TableFullScan_19 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo explain select count(1) from (select max(c2), count(c3) as m from t1) k; id estRows task access object operator info -StreamAgg_11 1.00 root funcs:count(1)->Column#6 -└─StreamAgg_27 1.00 root funcs:firstrow(Column#13)->Column#8 - └─TableReader_28 1.00 root data:StreamAgg_15 - └─StreamAgg_15 1.00 cop[tikv] funcs:firstrow(1)->Column#13 - └─TableFullScan_25 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +StreamAgg_8 1.00 root funcs:count(1)->Column#6 +└─StreamAgg_24 1.00 root funcs:firstrow(Column#13)->Column#8 + └─TableReader_25 1.00 root data:StreamAgg_12 + └─StreamAgg_12 1.00 cop[tikv] funcs:firstrow(1)->Column#13 + └─TableFullScan_22 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo explain select count(1) from (select count(c2) from t1 group by c3) k; id estRows task access object operator info -StreamAgg_11 1.00 root funcs:count(1)->Column#5 -└─HashAgg_22 8000.00 root group by:test.t1.c3, funcs:firstrow(1)->Column#7 - └─TableReader_19 10000.00 root data:TableFullScan_18 - └─TableFullScan_18 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +StreamAgg_8 1.00 root funcs:count(1)->Column#5 +└─HashAgg_19 8000.00 root group by:test.t1.c3, funcs:firstrow(1)->Column#7 + └─TableReader_16 10000.00 root data:TableFullScan_15 + └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo set @@session.tidb_opt_insubq_to_join_and_agg=0; explain select sum(t1.c1 in (select c1 from t2)) from t1; id estRows task access object operator info -StreamAgg_12 1.00 root funcs:sum(Column#10)->Column#8 -└─Projection_23 10000.00 root cast(Column#7, decimal(65,0) BINARY)->Column#10 - └─HashJoin_22 10000.00 root CARTESIAN left outer semi join, other cond:eq(test.t1.c1, test.t2.c1) - ├─IndexReader_21(Build) 10000.00 root index:IndexFullScan_20 - │ └─IndexFullScan_20 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:false, stats:pseudo - └─TableReader_15(Probe) 10000.00 root data:TableFullScan_14 - └─TableFullScan_14 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +StreamAgg_9 1.00 root funcs:sum(Column#10)->Column#8 +└─Projection_20 10000.00 root cast(Column#7, decimal(65,0) BINARY)->Column#10 + └─HashJoin_19 10000.00 root CARTESIAN left outer semi join, other cond:eq(test.t1.c1, test.t2.c1) + ├─IndexReader_18(Build) 10000.00 root index:IndexFullScan_17 + │ └─IndexFullScan_17 10000.00 cop[tikv] table:t2, index:c1(c1) keep order:false, stats:pseudo + └─TableReader_12(Probe) 10000.00 root data:TableFullScan_11 + └─TableFullScan_11 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo explain select 1 in (select c2 from t2) from t1; id estRows task access object operator info HashJoin_7 10000.00 root CARTESIAN left outer semi join, other cond:eq(1, test.t2.c2) @@ -238,40 +238,40 @@ HashJoin_7 10000.00 root CARTESIAN left outer semi join, other cond:eq(1, test. └─TableFullScan_8 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo explain select sum(6 in (select c2 from t2)) from t1; id estRows task access object operator info -StreamAgg_12 1.00 root funcs:sum(Column#10)->Column#8 -└─Projection_21 10000.00 root cast(Column#7, decimal(65,0) BINARY)->Column#10 - └─HashJoin_20 10000.00 root CARTESIAN left outer semi join, other cond:eq(6, test.t2.c2) - ├─TableReader_19(Build) 10000.00 root data:TableFullScan_18 - │ └─TableFullScan_18 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo - └─TableReader_15(Probe) 10000.00 root data:TableFullScan_14 - └─TableFullScan_14 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +StreamAgg_9 1.00 root funcs:sum(Column#10)->Column#8 +└─Projection_18 10000.00 root cast(Column#7, decimal(65,0) BINARY)->Column#10 + └─HashJoin_17 10000.00 root CARTESIAN left outer semi join, other cond:eq(6, test.t2.c2) + ├─TableReader_16(Build) 10000.00 root data:TableFullScan_15 + │ └─TableFullScan_15 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo + └─TableReader_12(Probe) 10000.00 root data:TableFullScan_11 + └─TableFullScan_11 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo explain format="dot" select sum(t1.c1 in (select c1 from t2)) from t1; dot contents -digraph StreamAgg_12 { -subgraph cluster12{ +digraph StreamAgg_9 { +subgraph cluster9{ node [style=filled, color=lightgrey] color=black label = "root" -"StreamAgg_12" -> "Projection_23" -"Projection_23" -> "HashJoin_22" -"HashJoin_22" -> "TableReader_15" -"HashJoin_22" -> "IndexReader_21" +"StreamAgg_9" -> "Projection_20" +"Projection_20" -> "HashJoin_19" +"HashJoin_19" -> "TableReader_12" +"HashJoin_19" -> "IndexReader_18" } -subgraph cluster14{ +subgraph cluster11{ node [style=filled, color=lightgrey] color=black label = "cop" -"TableFullScan_14" +"TableFullScan_11" } -subgraph cluster20{ +subgraph cluster17{ node [style=filled, color=lightgrey] color=black label = "cop" -"IndexFullScan_20" +"IndexFullScan_17" } -"TableReader_15" -> "TableFullScan_14" -"IndexReader_21" -> "IndexFullScan_20" +"TableReader_12" -> "TableFullScan_11" +"IndexReader_18" -> "IndexFullScan_17" } explain format="dot" select 1 in (select c2 from t2) from t1; @@ -310,38 +310,38 @@ Projection_11 10000.00 root Column#11 └─Apply_13 10000.00 root CARTESIAN left outer semi join, other cond:eq(test.t.c, Column#10) ├─TableReader_15(Build) 10000.00 root data:TableFullScan_14 │ └─TableFullScan_14 10000.00 cop[tikv] table:t keep order:false, stats:pseudo - └─StreamAgg_20(Probe) 1.00 root funcs:count(1)->Column#10 - └─MergeJoin_54 12.50 root inner join, left key:test.t.a, right key:test.t.a - ├─TableReader_49(Build) 1.00 root data:TableRangeScan_48 - │ └─TableRangeScan_48 1.00 cop[tikv] table:t1 range: decided by [eq(test.t.a, test.t.a)], keep order:true, stats:pseudo - └─TableReader_47(Probe) 1.00 root data:TableRangeScan_46 - └─TableRangeScan_46 1.00 cop[tikv] table:s range: decided by [eq(test.t.a, test.t.a)], keep order:true, stats:pseudo + └─StreamAgg_17(Probe) 1.00 root funcs:count(1)->Column#10 + └─MergeJoin_51 12.50 root inner join, left key:test.t.a, right key:test.t.a + ├─TableReader_46(Build) 1.00 root data:TableRangeScan_45 + │ └─TableRangeScan_45 1.00 cop[tikv] table:t1 range: decided by [eq(test.t.a, test.t.a)], keep order:true, stats:pseudo + └─TableReader_44(Probe) 1.00 root data:TableRangeScan_43 + └─TableRangeScan_43 1.00 cop[tikv] table:s range: decided by [eq(test.t.a, test.t.a)], keep order:true, stats:pseudo explain select t.c in (select count(*) from t s use index(idx), t t1 where s.b = t.a and s.a = t1.a) from t; id estRows task access object operator info Projection_11 10000.00 root Column#11 └─Apply_13 10000.00 root CARTESIAN left outer semi join, other cond:eq(test.t.c, Column#10) ├─TableReader_15(Build) 10000.00 root data:TableFullScan_14 │ └─TableFullScan_14 10000.00 cop[tikv] table:t keep order:false, stats:pseudo - └─StreamAgg_20(Probe) 1.00 root funcs:count(1)->Column#10 - └─IndexJoin_42 12.50 root inner join, inner:TableReader_39, outer key:test.t.a, inner key:test.t.a, equal cond:eq(test.t.a, test.t.a) - ├─IndexReader_33(Build) 10.00 root index:IndexRangeScan_32 - │ └─IndexRangeScan_32 10.00 cop[tikv] table:s, index:idx(b) range: decided by [eq(test.t.b, test.t.a)], keep order:false, stats:pseudo - └─TableReader_39(Probe) 1.00 root data:TableRangeScan_38 - └─TableRangeScan_38 1.00 cop[tikv] table:t1 range: decided by [test.t.a], keep order:false, stats:pseudo + └─StreamAgg_17(Probe) 1.00 root funcs:count(1)->Column#10 + └─IndexJoin_39 12.50 root inner join, inner:TableReader_36, outer key:test.t.a, inner key:test.t.a, equal cond:eq(test.t.a, test.t.a) + ├─IndexReader_30(Build) 10.00 root index:IndexRangeScan_29 + │ └─IndexRangeScan_29 10.00 cop[tikv] table:s, index:idx(b) range: decided by [eq(test.t.b, test.t.a)], keep order:false, stats:pseudo + └─TableReader_36(Probe) 1.00 root data:TableRangeScan_35 + └─TableRangeScan_35 1.00 cop[tikv] table:t1 range: decided by [test.t.a], keep order:false, stats:pseudo explain select t.c in (select count(*) from t s use index(idx), t t1 where s.b = t.a and s.c = t1.a) from t; id estRows task access object operator info Projection_11 10000.00 root Column#11 └─Apply_13 10000.00 root CARTESIAN left outer semi join, other cond:eq(test.t.c, Column#10) ├─TableReader_15(Build) 10000.00 root data:TableFullScan_14 │ └─TableFullScan_14 10000.00 cop[tikv] table:t keep order:false, stats:pseudo - └─StreamAgg_20(Probe) 1.00 root funcs:count(1)->Column#10 - └─IndexJoin_44 12.49 root inner join, inner:TableReader_41, outer key:test.t.c, inner key:test.t.a, equal cond:eq(test.t.c, test.t.a) - ├─IndexLookUp_35(Build) 9.99 root - │ ├─IndexRangeScan_32(Build) 10.00 cop[tikv] table:s, index:idx(b) range: decided by [eq(test.t.b, test.t.a)], keep order:false, stats:pseudo - │ └─Selection_34(Probe) 9.99 cop[tikv] not(isnull(test.t.c)) - │ └─TableRowIDScan_33 10.00 cop[tikv] table:s keep order:false, stats:pseudo - └─TableReader_41(Probe) 1.00 root data:TableRangeScan_40 - └─TableRangeScan_40 1.00 cop[tikv] table:t1 range: decided by [test.t.c], keep order:false, stats:pseudo + └─StreamAgg_17(Probe) 1.00 root funcs:count(1)->Column#10 + └─IndexJoin_41 12.49 root inner join, inner:TableReader_38, outer key:test.t.c, inner key:test.t.a, equal cond:eq(test.t.c, test.t.a) + ├─IndexLookUp_32(Build) 9.99 root + │ ├─IndexRangeScan_29(Build) 10.00 cop[tikv] table:s, index:idx(b) range: decided by [eq(test.t.b, test.t.a)], keep order:false, stats:pseudo + │ └─Selection_31(Probe) 9.99 cop[tikv] not(isnull(test.t.c)) + │ └─TableRowIDScan_30 10.00 cop[tikv] table:s keep order:false, stats:pseudo + └─TableReader_38(Probe) 1.00 root data:TableRangeScan_37 + └─TableRangeScan_37 1.00 cop[tikv] table:t1 range: decided by [test.t.c], keep order:false, stats:pseudo insert into t values(1, 1, 1), (2, 2 ,2), (3, 3, 3), (4, 3, 4),(5,3,5); analyze table t; explain select t.c in (select count(*) from t s, t t1 where s.b = t.a and s.b = 3 and s.a = t1.a) from t; @@ -350,42 +350,42 @@ Projection_11 5.00 root Column#11 └─Apply_13 5.00 root CARTESIAN left outer semi join, other cond:eq(test.t.c, Column#10) ├─TableReader_15(Build) 5.00 root data:TableFullScan_14 │ └─TableFullScan_14 5.00 cop[tikv] table:t keep order:false - └─StreamAgg_20(Probe) 1.00 root funcs:count(1)->Column#10 - └─MergeJoin_62 2.40 root inner join, left key:test.t.a, right key:test.t.a - ├─TableReader_52(Build) 4.00 root data:Selection_51 - │ └─Selection_51 4.00 cop[tikv] eq(3, test.t.a) - │ └─TableFullScan_50 5.00 cop[tikv] table:t1 keep order:true - └─IndexReader_49(Probe) 2.40 root index:Selection_48 - └─Selection_48 2.40 cop[tikv] eq(3, test.t.a) - └─IndexRangeScan_47 3.00 cop[tikv] table:s, index:idx(b) range:[3,3], keep order:true + └─StreamAgg_17(Probe) 1.00 root funcs:count(1)->Column#10 + └─MergeJoin_59 2.40 root inner join, left key:test.t.a, right key:test.t.a + ├─TableReader_49(Build) 4.00 root data:Selection_48 + │ └─Selection_48 4.00 cop[tikv] eq(3, test.t.a) + │ └─TableFullScan_47 5.00 cop[tikv] table:t1 keep order:true + └─IndexReader_46(Probe) 2.40 root index:Selection_45 + └─Selection_45 2.40 cop[tikv] eq(3, test.t.a) + └─IndexRangeScan_44 3.00 cop[tikv] table:s, index:idx(b) range:[3,3], keep order:true explain select t.c in (select count(*) from t s left join t t1 on s.a = t1.a where 3 = t.a and s.b = 3) from t; id estRows task access object operator info Projection_10 5.00 root Column#11 └─Apply_12 5.00 root CARTESIAN left outer semi join, other cond:eq(test.t.c, Column#10) ├─TableReader_14(Build) 5.00 root data:TableFullScan_13 │ └─TableFullScan_13 5.00 cop[tikv] table:t keep order:false - └─StreamAgg_19(Probe) 1.00 root funcs:count(1)->Column#10 - └─MergeJoin_50 2.40 root left outer join, left key:test.t.a, right key:test.t.a - ├─TableReader_40(Build) 4.00 root data:Selection_39 - │ └─Selection_39 4.00 cop[tikv] eq(3, test.t.a) - │ └─TableFullScan_38 5.00 cop[tikv] table:t1 keep order:true - └─IndexReader_37(Probe) 2.40 root index:Selection_36 - └─Selection_36 2.40 cop[tikv] eq(3, test.t.a) - └─IndexRangeScan_35 3.00 cop[tikv] table:s, index:idx(b) range:[3,3], keep order:true + └─StreamAgg_16(Probe) 1.00 root funcs:count(1)->Column#10 + └─MergeJoin_47 2.40 root left outer join, left key:test.t.a, right key:test.t.a + ├─TableReader_37(Build) 4.00 root data:Selection_36 + │ └─Selection_36 4.00 cop[tikv] eq(3, test.t.a) + │ └─TableFullScan_35 5.00 cop[tikv] table:t1 keep order:true + └─IndexReader_34(Probe) 2.40 root index:Selection_33 + └─Selection_33 2.40 cop[tikv] eq(3, test.t.a) + └─IndexRangeScan_32 3.00 cop[tikv] table:s, index:idx(b) range:[3,3], keep order:true explain select t.c in (select count(*) from t s right join t t1 on s.a = t1.a where 3 = t.a and t1.b = 3) from t; id estRows task access object operator info Projection_10 5.00 root Column#11 └─Apply_12 5.00 root CARTESIAN left outer semi join, other cond:eq(test.t.c, Column#10) ├─TableReader_14(Build) 5.00 root data:TableFullScan_13 │ └─TableFullScan_13 5.00 cop[tikv] table:t keep order:false - └─StreamAgg_19(Probe) 1.00 root funcs:count(1)->Column#10 - └─MergeJoin_49 2.40 root right outer join, left key:test.t.a, right key:test.t.a - ├─TableReader_36(Build) 4.00 root data:Selection_35 - │ └─Selection_35 4.00 cop[tikv] eq(3, test.t.a) - │ └─TableFullScan_34 5.00 cop[tikv] table:s keep order:true - └─IndexReader_39(Probe) 2.40 root index:Selection_38 - └─Selection_38 2.40 cop[tikv] eq(3, test.t.a) - └─IndexRangeScan_37 3.00 cop[tikv] table:t1, index:idx(b) range:[3,3], keep order:true + └─StreamAgg_16(Probe) 1.00 root funcs:count(1)->Column#10 + └─MergeJoin_46 2.40 root right outer join, left key:test.t.a, right key:test.t.a + ├─TableReader_33(Build) 4.00 root data:Selection_32 + │ └─Selection_32 4.00 cop[tikv] eq(3, test.t.a) + │ └─TableFullScan_31 5.00 cop[tikv] table:s keep order:true + └─IndexReader_36(Probe) 2.40 root index:Selection_35 + └─Selection_35 2.40 cop[tikv] eq(3, test.t.a) + └─IndexRangeScan_34 3.00 cop[tikv] table:t1, index:idx(b) range:[3,3], keep order:true drop table if exists t; create table t(a int unsigned); explain select t.a = '123455' from t; @@ -497,18 +497,18 @@ PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin; EXPLAIN SELECT COUNT(1) FROM (SELECT COALESCE(b.region_name, '不详') region_name, SUM(a.registration_num) registration_num FROM (SELECT stat_date, show_date, region_id, 0 registration_num FROM test01 WHERE period = 1 AND stat_date >= 20191202 AND stat_date <= 20191202 UNION ALL SELECT stat_date, show_date, region_id, registration_num registration_num FROM test01 WHERE period = 1 AND stat_date >= 20191202 AND stat_date <= 20191202) a LEFT JOIN test02 b ON a.region_id = b.id WHERE registration_num > 0 AND a.stat_date >= '20191202' AND a.stat_date <= '20191202' GROUP BY a.stat_date , a.show_date , COALESCE(b.region_name, '不详') ) JLS; id estRows task access object operator info -StreamAgg_22 1.00 root funcs:count(1)->Column#22 -└─HashAgg_48 8000.00 root group by:Column#32, Column#33, Column#34, funcs:firstrow(1)->Column#31 - └─Projection_49 10000.01 root Column#14, Column#15, coalesce(test.test02.region_name, 不详)->Column#34 - └─HashJoin_35 10000.01 root left outer join, equal:[eq(Column#16, test.test02.id)] - ├─TableReader_45(Build) 10000.00 root data:TableFullScan_44 - │ └─TableFullScan_44 10000.00 cop[tikv] table:b keep order:false, stats:pseudo - └─Union_37(Probe) 8000.01 root - ├─TableDual_39 8000.00 root rows:0 - └─Projection_40 0.01 root test.test01.stat_date, test.test01.show_date, test.test01.region_id - └─TableReader_43 0.01 root data:Selection_42 - └─Selection_42 0.01 cop[tikv] eq(test.test01.period, 1), ge(test.test01.stat_date, 20191202), ge(test.test01.stat_date, 20191202), gt(cast(test.test01.registration_num), 0), le(test.test01.stat_date, 20191202), le(test.test01.stat_date, 20191202) - └─TableFullScan_41 10000.00 cop[tikv] table:test01 keep order:false, stats:pseudo +StreamAgg_19 1.00 root funcs:count(1)->Column#22 +└─HashAgg_41 8000.00 root group by:Column#32, Column#33, Column#34, funcs:firstrow(1)->Column#31 + └─Projection_42 10000.01 root Column#14, Column#15, coalesce(test.test02.region_name, 不详)->Column#34 + └─HashJoin_30 10000.01 root left outer join, equal:[eq(Column#16, test.test02.id)] + ├─TableReader_40(Build) 10000.00 root data:TableFullScan_39 + │ └─TableFullScan_39 10000.00 cop[tikv] table:b keep order:false, stats:pseudo + └─Union_32(Probe) 8000.01 root + ├─TableDual_34 8000.00 root rows:0 + └─Projection_35 0.01 root test.test01.stat_date, test.test01.show_date, test.test01.region_id + └─TableReader_38 0.01 root data:Selection_37 + └─Selection_37 0.01 cop[tikv] eq(test.test01.period, 1), ge(test.test01.stat_date, 20191202), ge(test.test01.stat_date, 20191202), gt(cast(test.test01.registration_num), 0), le(test.test01.stat_date, 20191202), le(test.test01.stat_date, 20191202) + └─TableFullScan_36 10000.00 cop[tikv] table:test01 keep order:false, stats:pseudo drop table if exists t; create table t(a int, nb int not null, nc int not null); explain select ifnull(a, 0) from t; @@ -583,16 +583,16 @@ Projection_12 10000.00 root Column#14 └─Apply_14 10000.00 root left outer semi join, equal:[eq(test.t.nc, Column#13)] ├─TableReader_16(Build) 10000.00 root data:TableFullScan_15 │ └─TableFullScan_15 10000.00 cop[tikv] table:t keep order:false, stats:pseudo - └─HashAgg_19(Probe) 1.00 root funcs:count(Column#15)->Column#13 - └─HashJoin_20 9.99 root inner join, equal:[eq(test.t.a, test.t.a)] - ├─HashAgg_30(Build) 7.99 root group by:test.t.a, funcs:count(Column#16)->Column#15, funcs:firstrow(test.t.a)->test.t.a - │ └─TableReader_31 7.99 root data:HashAgg_25 - │ └─HashAgg_25 7.99 cop[tikv] group by:test.t.a, funcs:count(1)->Column#16 - │ └─Selection_29 9.99 cop[tikv] eq(test.t.a, test.t.a), not(isnull(test.t.a)) - │ └─TableFullScan_28 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo - └─TableReader_24(Probe) 9.99 root data:Selection_23 - └─Selection_23 9.99 cop[tikv] eq(test.t.a, test.t.a), not(isnull(test.t.a)) - └─TableFullScan_22 10000.00 cop[tikv] table:s keep order:false, stats:pseudo + └─HashAgg_17(Probe) 1.00 root funcs:count(Column#15)->Column#13 + └─HashJoin_18 9.99 root inner join, equal:[eq(test.t.a, test.t.a)] + ├─HashAgg_28(Build) 7.99 root group by:test.t.a, funcs:count(Column#16)->Column#15, funcs:firstrow(test.t.a)->test.t.a + │ └─TableReader_29 7.99 root data:HashAgg_23 + │ └─HashAgg_23 7.99 cop[tikv] group by:test.t.a, funcs:count(1)->Column#16 + │ └─Selection_27 9.99 cop[tikv] eq(test.t.a, test.t.a), not(isnull(test.t.a)) + │ └─TableFullScan_26 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─TableReader_22(Probe) 9.99 root data:Selection_21 + └─Selection_21 9.99 cop[tikv] eq(test.t.a, test.t.a), not(isnull(test.t.a)) + └─TableFullScan_20 10000.00 cop[tikv] table:s keep order:false, stats:pseudo explain select * from t ta left outer join t tb on ta.nb = tb.nb and ta.a > 1 where ifnull(tb.a, 1) or tb.a is null; id estRows task access object operator info Selection_7 10000.00 root or(ifnull(test.t.a, 1), isnull(test.t.a)) @@ -616,16 +616,16 @@ Projection_12 10000.00 root Column#14 └─Apply_14 10000.00 root CARTESIAN left outer semi join, other cond:eq(ifnull(test.t.a, 1), Column#13) ├─TableReader_16(Build) 10000.00 root data:TableFullScan_15 │ └─TableFullScan_15 10000.00 cop[tikv] table:t keep order:false, stats:pseudo - └─HashAgg_19(Probe) 1.00 root funcs:count(Column#15)->Column#13 - └─HashJoin_20 9.99 root inner join, equal:[eq(test.t.a, test.t.a)] - ├─HashAgg_30(Build) 7.99 root group by:test.t.a, funcs:count(Column#16)->Column#15, funcs:firstrow(test.t.a)->test.t.a - │ └─TableReader_31 7.99 root data:HashAgg_25 - │ └─HashAgg_25 7.99 cop[tikv] group by:test.t.a, funcs:count(1)->Column#16 - │ └─Selection_29 9.99 cop[tikv] eq(test.t.a, test.t.a), not(isnull(test.t.a)) - │ └─TableFullScan_28 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo - └─TableReader_24(Probe) 9.99 root data:Selection_23 - └─Selection_23 9.99 cop[tikv] eq(test.t.a, test.t.a), not(isnull(test.t.a)) - └─TableFullScan_22 10000.00 cop[tikv] table:s keep order:false, stats:pseudo + └─HashAgg_17(Probe) 1.00 root funcs:count(Column#15)->Column#13 + └─HashJoin_18 9.99 root inner join, equal:[eq(test.t.a, test.t.a)] + ├─HashAgg_28(Build) 7.99 root group by:test.t.a, funcs:count(Column#16)->Column#15, funcs:firstrow(test.t.a)->test.t.a + │ └─TableReader_29 7.99 root data:HashAgg_23 + │ └─HashAgg_23 7.99 cop[tikv] group by:test.t.a, funcs:count(1)->Column#16 + │ └─Selection_27 9.99 cop[tikv] eq(test.t.a, test.t.a), not(isnull(test.t.a)) + │ └─TableFullScan_26 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo + └─TableReader_22(Probe) 9.99 root data:Selection_21 + └─Selection_21 9.99 cop[tikv] eq(test.t.a, test.t.a), not(isnull(test.t.a)) + └─TableFullScan_20 10000.00 cop[tikv] table:s keep order:false, stats:pseudo drop table if exists t; create table t(a int); explain select * from t where _tidb_rowid = 0; @@ -665,21 +665,21 @@ set @@session.tidb_opt_insubq_to_join_and_agg=1; explain SELECT 0 AS a FROM dual UNION SELECT 1 AS a FROM dual ORDER BY a; id estRows task access object operator info Sort_13 2.00 root Column#3 -└─HashAgg_17 2.00 root group by:Column#3, funcs:firstrow(Column#6)->Column#3 - └─Union_18 2.00 root - ├─HashAgg_19 1.00 root group by:1, funcs:firstrow(0)->Column#6, funcs:firstrow(0)->Column#3 - │ └─TableDual_22 1.00 root rows:1 - └─HashAgg_25 1.00 root group by:1, funcs:firstrow(1)->Column#6, funcs:firstrow(1)->Column#3 - └─TableDual_28 1.00 root rows:1 +└─HashAgg_15 2.00 root group by:Column#3, funcs:firstrow(Column#6)->Column#3 + └─Union_16 2.00 root + ├─HashAgg_17 1.00 root group by:1, funcs:firstrow(0)->Column#6, funcs:firstrow(0)->Column#3 + │ └─TableDual_18 1.00 root rows:1 + └─HashAgg_19 1.00 root group by:1, funcs:firstrow(1)->Column#6, funcs:firstrow(1)->Column#3 + └─TableDual_20 1.00 root rows:1 explain SELECT 0 AS a FROM dual UNION (SELECT 1 AS a FROM dual ORDER BY a); id estRows task access object operator info -HashAgg_15 2.00 root group by:Column#3, funcs:firstrow(Column#6)->Column#3 -└─Union_16 2.00 root - ├─HashAgg_17 1.00 root group by:1, funcs:firstrow(0)->Column#6, funcs:firstrow(0)->Column#3 - │ └─TableDual_20 1.00 root rows:1 - └─StreamAgg_27 1.00 root group by:Column#2, funcs:firstrow(Column#2)->Column#6, funcs:firstrow(Column#2)->Column#3 - └─Projection_32 1.00 root 1->Column#2 - └─TableDual_33 1.00 root rows:1 +HashAgg_13 2.00 root group by:Column#3, funcs:firstrow(Column#6)->Column#3 +└─Union_14 2.00 root + ├─HashAgg_15 1.00 root group by:1, funcs:firstrow(0)->Column#6, funcs:firstrow(0)->Column#3 + │ └─TableDual_16 1.00 root rows:1 + └─StreamAgg_18 1.00 root group by:Column#2, funcs:firstrow(Column#2)->Column#6, funcs:firstrow(Column#2)->Column#3 + └─Projection_23 1.00 root 1->Column#2 + └─TableDual_24 1.00 root rows:1 create table t (i int key, j int, unique key (i, j)); begin; insert into t values (1, 1); @@ -789,30 +789,28 @@ explain select (select count(n.a) from t) from t n; id estRows task access object operator info Projection_9 1.00 root Column#8 └─Apply_11 1.00 root CARTESIAN left outer join - ├─StreamAgg_23(Build) 1.00 root funcs:count(Column#13)->Column#7 - │ └─TableReader_24 1.00 root data:StreamAgg_15 - │ └─StreamAgg_15 1.00 cop[tikv] funcs:count(test.t.a)->Column#13 - │ └─TableFullScan_22 10000.00 cop[tikv] table:n keep order:false, stats:pseudo - └─MaxOneRow_27(Probe) 1.00 root - └─Projection_28 2.00 root Column#7 - └─TableReader_30 2.00 root data:TableFullScan_29 - └─TableFullScan_29 2.00 cop[tikv] table:t keep order:false, stats:pseudo + ├─StreamAgg_13(Build) 1.00 root funcs:count(test.t.a)->Column#7 + │ └─TableReader_17 10000.00 root data:TableFullScan_16 + │ └─TableFullScan_16 10000.00 cop[tikv] table:n keep order:false, stats:pseudo + └─MaxOneRow_18(Probe) 1.00 root + └─Projection_19 2.00 root Column#7 + └─TableReader_21 2.00 root data:TableFullScan_20 + └─TableFullScan_20 2.00 cop[tikv] table:t keep order:false, stats:pseudo explain select (select sum((select count(a)))) from t; id estRows task access object operator info Projection_23 1.00 root Column#7 └─Apply_25 1.00 root CARTESIAN left outer join - ├─StreamAgg_37(Build) 1.00 root funcs:count(Column#15)->Column#5 - │ └─TableReader_38 1.00 root data:StreamAgg_29 - │ └─StreamAgg_29 1.00 cop[tikv] funcs:count(test.t.a)->Column#15 - │ └─TableFullScan_36 10000.00 cop[tikv] table:t keep order:false, stats:pseudo - └─HashAgg_43(Probe) 1.00 root funcs:sum(Column#12)->Column#7 - └─HashJoin_44 1.00 root CARTESIAN left outer join - ├─HashAgg_49(Build) 1.00 root group by:1, funcs:sum(Column#16)->Column#12 - │ └─Projection_54 1.00 root cast(Column#6, decimal(42,0) BINARY)->Column#16 - │ └─MaxOneRow_50 1.00 root - │ └─Projection_51 1.00 root Column#5 - │ └─TableDual_52 1.00 root rows:1 - └─TableDual_46(Probe) 1.00 root rows:1 + ├─StreamAgg_27(Build) 1.00 root funcs:count(test.t.a)->Column#5 + │ └─TableReader_31 10000.00 root data:TableFullScan_30 + │ └─TableFullScan_30 10000.00 cop[tikv] table:t keep order:false, stats:pseudo + └─HashAgg_32(Probe) 1.00 root funcs:sum(Column#12)->Column#7 + └─HashJoin_33 1.00 root CARTESIAN left outer join + ├─HashAgg_36(Build) 1.00 root group by:1, funcs:sum(Column#14)->Column#12 + │ └─Projection_41 1.00 root cast(Column#6, decimal(42,0) BINARY)->Column#14 + │ └─MaxOneRow_37 1.00 root + │ └─Projection_38 1.00 root Column#5 + │ └─TableDual_39 1.00 root rows:1 + └─TableDual_35(Probe) 1.00 root rows:1 explain select count(a) from t group by b order by (select count(a)); id estRows task access object operator info Sort_12 8000.00 root Column#4 @@ -826,13 +824,12 @@ explain select (select sum(count(a))) from t; id estRows task access object operator info Projection_11 1.00 root Column#5 └─Apply_13 1.00 root CARTESIAN left outer join - ├─StreamAgg_25(Build) 1.00 root funcs:count(Column#8)->Column#4 - │ └─TableReader_26 1.00 root data:StreamAgg_17 - │ └─StreamAgg_17 1.00 cop[tikv] funcs:count(test.t.a)->Column#8 - │ └─TableFullScan_24 10000.00 cop[tikv] table:t keep order:false, stats:pseudo - └─StreamAgg_32(Probe) 1.00 root funcs:sum(Column#9)->Column#5 - └─Projection_39 1.00 root cast(Column#4, decimal(42,0) BINARY)->Column#9 - └─TableDual_37 1.00 root rows:1 + ├─StreamAgg_15(Build) 1.00 root funcs:count(test.t.a)->Column#4 + │ └─TableReader_19 10000.00 root data:TableFullScan_18 + │ └─TableFullScan_18 10000.00 cop[tikv] table:t keep order:false, stats:pseudo + └─StreamAgg_21(Probe) 1.00 root funcs:sum(Column#7)->Column#5 + └─Projection_24 1.00 root cast(Column#4, decimal(42,0) BINARY)->Column#7 + └─TableDual_23 1.00 root rows:1 explain select sum(a), (select sum(a)), count(a) from t group by b order by (select count(a)); id estRows task access object operator info Projection_16 8000.00 root Column#4, Column#4, Column#5 diff --git a/cmd/explaintest/r/explain_join_stats.result b/cmd/explaintest/r/explain_join_stats.result index 723df63732dbe..220bc1ffbaa62 100644 --- a/cmd/explaintest/r/explain_join_stats.result +++ b/cmd/explaintest/r/explain_join_stats.result @@ -6,22 +6,22 @@ create table lo(a int(11) NOT NULL AUTO_INCREMENT, PRIMARY KEY (a)) ENGINE=InnoD load stats 's/explain_join_stats_lo.json'; explain select count(*) from e, lo where lo.a=e.a and e.b=22336; id estRows task access object operator info -StreamAgg_13 1.00 root funcs:count(1)->Column#5 -└─HashJoin_89 19977.00 root inner join, equal:[eq(test.lo.a, test.e.a)] - ├─TableReader_50(Build) 250.00 root data:TableFullScan_49 - │ └─TableFullScan_49 250.00 cop[tikv] table:lo keep order:false - └─IndexLookUp_61(Probe) 19977.00 root - ├─IndexRangeScan_58(Build) 19977.00 cop[tikv] table:e, index:idx_b(b) range:[22336,22336], keep order:false - └─Selection_60(Probe) 19977.00 cop[tikv] not(isnull(test.e.a)) - └─TableRowIDScan_59 19977.00 cop[tikv] table:e keep order:false +StreamAgg_10 1.00 root funcs:count(1)->Column#5 +└─HashJoin_86 19977.00 root inner join, equal:[eq(test.lo.a, test.e.a)] + ├─TableReader_47(Build) 250.00 root data:TableFullScan_46 + │ └─TableFullScan_46 250.00 cop[tikv] table:lo keep order:false + └─IndexLookUp_58(Probe) 19977.00 root + ├─IndexRangeScan_55(Build) 19977.00 cop[tikv] table:e, index:idx_b(b) range:[22336,22336], keep order:false + └─Selection_57(Probe) 19977.00 cop[tikv] not(isnull(test.e.a)) + └─TableRowIDScan_56 19977.00 cop[tikv] table:e keep order:false explain select /*+ TIDB_INLJ(e) */ count(*) from e, lo where lo.a=e.a and e.b=22336; id estRows task access object operator info -StreamAgg_12 1.00 root funcs:count(1)->Column#5 -└─IndexJoin_56 19977.00 root inner join, inner:IndexLookUp_55, outer key:test.lo.a, inner key:test.e.a, equal cond:eq(test.lo.a, test.e.a) - ├─TableReader_40(Build) 250.00 root data:TableFullScan_39 - │ └─TableFullScan_39 250.00 cop[tikv] table:lo keep order:false - └─IndexLookUp_55(Probe) 79.91 root - ├─Selection_53(Build) 4080.00 cop[tikv] not(isnull(test.e.a)) - │ └─IndexRangeScan_51 4080.00 cop[tikv] table:e, index:idx_a(a) range: decided by [eq(test.e.a, test.lo.a)], keep order:false - └─Selection_54(Probe) 79.91 cop[tikv] eq(test.e.b, 22336) - └─TableRowIDScan_52 4080.00 cop[tikv] table:e keep order:false +StreamAgg_9 1.00 root funcs:count(1)->Column#5 +└─IndexJoin_53 19977.00 root inner join, inner:IndexLookUp_52, outer key:test.lo.a, inner key:test.e.a, equal cond:eq(test.lo.a, test.e.a) + ├─TableReader_37(Build) 250.00 root data:TableFullScan_36 + │ └─TableFullScan_36 250.00 cop[tikv] table:lo keep order:false + └─IndexLookUp_52(Probe) 79.91 root + ├─Selection_50(Build) 4080.00 cop[tikv] not(isnull(test.e.a)) + │ └─IndexRangeScan_48 4080.00 cop[tikv] table:e, index:idx_a(a) range: decided by [eq(test.e.a, test.lo.a)], keep order:false + └─Selection_51(Probe) 79.91 cop[tikv] eq(test.e.b, 22336) + └─TableRowIDScan_49 4080.00 cop[tikv] table:e keep order:false diff --git a/cmd/explaintest/r/select.result b/cmd/explaintest/r/select.result index 35e45ec95028d..4af76052fd1df 100644 --- a/cmd/explaintest/r/select.result +++ b/cmd/explaintest/r/select.result @@ -266,11 +266,11 @@ count(a) insert t values(0,0,0); explain select distinct b from t group by a; id estRows task access object operator info -HashAgg_7 8000.00 root group by:test.t.b, funcs:firstrow(test.t.b)->test.t.b -└─StreamAgg_22 8000.00 root group by:test.t.a, funcs:firstrow(Column#9)->test.t.b - └─IndexReader_23 8000.00 root index:StreamAgg_11 - └─StreamAgg_11 8000.00 cop[tikv] group by:test.t.a, funcs:firstrow(test.t.b)->Column#9 - └─IndexFullScan_21 10000.00 cop[tikv] table:t, index:idx(a, b, c) keep order:true, stats:pseudo +HashAgg_5 8000.00 root group by:test.t.b, funcs:firstrow(test.t.b)->test.t.b +└─StreamAgg_20 8000.00 root group by:test.t.a, funcs:firstrow(Column#9)->test.t.b + └─IndexReader_21 8000.00 root index:StreamAgg_9 + └─StreamAgg_9 8000.00 cop[tikv] group by:test.t.a, funcs:firstrow(test.t.b)->Column#9 + └─IndexFullScan_19 10000.00 cop[tikv] table:t, index:idx(a, b, c) keep order:true, stats:pseudo select distinct b from t group by a; b 0 diff --git a/cmd/explaintest/r/subquery.result b/cmd/explaintest/r/subquery.result index 27680c1b536fa..70be19b02f394 100644 --- a/cmd/explaintest/r/subquery.result +++ b/cmd/explaintest/r/subquery.result @@ -21,12 +21,12 @@ Projection_11 5.00 root Column#14 └─Apply_13 5.00 root CARTESIAN left outer semi join, other cond:eq(test.t.c, Column#13) ├─TableReader_15(Build) 5.00 root data:TableFullScan_14 │ └─TableFullScan_14 5.00 cop[tikv] table:t keep order:false - └─StreamAgg_22(Probe) 1.00 root funcs:count(1)->Column#13 - └─IndexJoin_27 0.50 root inner join, inner:TableReader_24, outer key:test.t.a, inner key:test.t.a, equal cond:eq(test.t.a, test.t.a) - ├─IndexReader_35(Build) 1.00 root index:IndexRangeScan_34 - │ └─IndexRangeScan_34 1.00 cop[tikv] table:s, index:idx(b, c, d) range: decided by [eq(test.t.b, 1) eq(test.t.c, 1) eq(test.t.d, test.t.a)], keep order:false - └─TableReader_24(Probe) 1.00 root data:TableRangeScan_23 - └─TableRangeScan_23 1.00 cop[tikv] table:t1 range: decided by [test.t.a], keep order:false + └─StreamAgg_19(Probe) 1.00 root funcs:count(1)->Column#13 + └─IndexJoin_24 0.50 root inner join, inner:TableReader_21, outer key:test.t.a, inner key:test.t.a, equal cond:eq(test.t.a, test.t.a) + ├─IndexReader_32(Build) 1.00 root index:IndexRangeScan_31 + │ └─IndexRangeScan_31 1.00 cop[tikv] table:s, index:idx(b, c, d) range: decided by [eq(test.t.b, 1) eq(test.t.c, 1) eq(test.t.d, test.t.a)], keep order:false + └─TableReader_21(Probe) 1.00 root data:TableRangeScan_20 + └─TableRangeScan_20 1.00 cop[tikv] table:t1 range: decided by [test.t.a], keep order:false drop table if exists t; create table t(a int, b int, c int); explain select a from t t1 where t1.a = (select max(t2.a) from t t2 where t1.b=t2.b and t1.c=t2.b); diff --git a/cmd/explaintest/r/tpch.result b/cmd/explaintest/r/tpch.result index 344fbf0b1145a..b262f10d827d9 100644 --- a/cmd/explaintest/r/tpch.result +++ b/cmd/explaintest/r/tpch.result @@ -202,19 +202,19 @@ Projection_37 100.00 root tpch.supplier.s_acctbal, tpch.supplier.s_name, tpch.n │ └─TableReader_85(Probe) 40000000.00 root data:TableFullScan_84 │ └─TableFullScan_84 40000000.00 cop[tikv] table:partsupp keep order:false └─Selection_89(Probe) 6524008.35 root not(isnull(Column#50)) - └─HashAgg_92 8155010.44 root group by:tpch.partsupp.ps_partkey, funcs:min(tpch.partsupp.ps_supplycost)->Column#50, funcs:firstrow(tpch.partsupp.ps_partkey)->tpch.partsupp.ps_partkey - └─HashJoin_96 8155010.44 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.partsupp.ps_suppkey)] - ├─HashJoin_98(Build) 100000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ ├─HashJoin_111(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] - │ │ ├─TableReader_116(Build) 1.00 root data:Selection_115 - │ │ │ └─Selection_115 1.00 cop[tikv] eq(tpch.region.r_name, "ASIA") - │ │ │ └─TableFullScan_114 5.00 cop[tikv] table:region keep order:false - │ │ └─TableReader_113(Probe) 25.00 root data:TableFullScan_112 - │ │ └─TableFullScan_112 25.00 cop[tikv] table:nation keep order:false - │ └─TableReader_118(Probe) 500000.00 root data:TableFullScan_117 - │ └─TableFullScan_117 500000.00 cop[tikv] table:supplier keep order:false - └─TableReader_120(Probe) 40000000.00 root data:TableFullScan_119 - └─TableFullScan_119 40000000.00 cop[tikv] table:partsupp keep order:false + └─HashAgg_90 8155010.44 root group by:tpch.partsupp.ps_partkey, funcs:min(tpch.partsupp.ps_supplycost)->Column#50, funcs:firstrow(tpch.partsupp.ps_partkey)->tpch.partsupp.ps_partkey + └─HashJoin_93 8155010.44 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.partsupp.ps_suppkey)] + ├─HashJoin_95(Build) 100000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ ├─HashJoin_108(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] + │ │ ├─TableReader_113(Build) 1.00 root data:Selection_112 + │ │ │ └─Selection_112 1.00 cop[tikv] eq(tpch.region.r_name, "ASIA") + │ │ │ └─TableFullScan_111 5.00 cop[tikv] table:region keep order:false + │ │ └─TableReader_110(Probe) 25.00 root data:TableFullScan_109 + │ │ └─TableFullScan_109 25.00 cop[tikv] table:nation keep order:false + │ └─TableReader_115(Probe) 500000.00 root data:TableFullScan_114 + │ └─TableFullScan_114 500000.00 cop[tikv] table:supplier keep order:false + └─TableReader_117(Probe) 40000000.00 root data:TableFullScan_116 + └─TableFullScan_116 40000000.00 cop[tikv] table:partsupp keep order:false /* Q3 Shipping Priority Query This query retrieves the 10 unshipped orders with the highest value. @@ -251,19 +251,19 @@ limit 10; id estRows task access object operator info Projection_14 10.00 root tpch.lineitem.l_orderkey, Column#35, tpch.orders.o_orderdate, tpch.orders.o_shippriority └─TopN_17 10.00 root Column#35:desc, tpch.orders.o_orderdate, offset:0, count:10 - └─HashAgg_23 40252367.98 root group by:Column#48, Column#49, Column#50, funcs:sum(Column#44)->Column#35, funcs:firstrow(Column#45)->tpch.orders.o_orderdate, funcs:firstrow(Column#46)->tpch.orders.o_shippriority, funcs:firstrow(Column#47)->tpch.lineitem.l_orderkey - └─Projection_81 91515927.49 root mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#44, tpch.orders.o_orderdate, tpch.orders.o_shippriority, tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey, tpch.orders.o_orderdate, tpch.orders.o_shippriority - └─HashJoin_40 91515927.49 root inner join, equal:[eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey)] - ├─HashJoin_71(Build) 22592975.51 root inner join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] - │ ├─TableReader_77(Build) 1498236.00 root data:Selection_76 - │ │ └─Selection_76 1498236.00 cop[tikv] eq(tpch.customer.c_mktsegment, "AUTOMOBILE") - │ │ └─TableFullScan_75 7500000.00 cop[tikv] table:customer keep order:false - │ └─TableReader_74(Probe) 36870000.00 root data:Selection_73 - │ └─Selection_73 36870000.00 cop[tikv] lt(tpch.orders.o_orderdate, 1995-03-13 00:00:00.000000) - │ └─TableFullScan_72 75000000.00 cop[tikv] table:orders keep order:false - └─TableReader_80(Probe) 163047704.27 root data:Selection_79 - └─Selection_79 163047704.27 cop[tikv] gt(tpch.lineitem.l_shipdate, 1995-03-13 00:00:00.000000) - └─TableFullScan_78 300005811.00 cop[tikv] table:lineitem keep order:false + └─HashAgg_21 40252367.98 root group by:Column#48, Column#49, Column#50, funcs:sum(Column#44)->Column#35, funcs:firstrow(Column#45)->tpch.orders.o_orderdate, funcs:firstrow(Column#46)->tpch.orders.o_shippriority, funcs:firstrow(Column#47)->tpch.lineitem.l_orderkey + └─Projection_79 91515927.49 root mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#44, tpch.orders.o_orderdate, tpch.orders.o_shippriority, tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey, tpch.orders.o_orderdate, tpch.orders.o_shippriority + └─HashJoin_38 91515927.49 root inner join, equal:[eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey)] + ├─HashJoin_69(Build) 22592975.51 root inner join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] + │ ├─TableReader_75(Build) 1498236.00 root data:Selection_74 + │ │ └─Selection_74 1498236.00 cop[tikv] eq(tpch.customer.c_mktsegment, "AUTOMOBILE") + │ │ └─TableFullScan_73 7500000.00 cop[tikv] table:customer keep order:false + │ └─TableReader_72(Probe) 36870000.00 root data:Selection_71 + │ └─Selection_71 36870000.00 cop[tikv] lt(tpch.orders.o_orderdate, 1995-03-13 00:00:00.000000) + │ └─TableFullScan_70 75000000.00 cop[tikv] table:orders keep order:false + └─TableReader_78(Probe) 163047704.27 root data:Selection_77 + └─Selection_77 163047704.27 cop[tikv] gt(tpch.lineitem.l_shipdate, 1995-03-13 00:00:00.000000) + └─TableFullScan_76 300005811.00 cop[tikv] table:lineitem keep order:false /* Q4 Order Priority Checking Query This query determines how well the order priority system is working and gives an assessment of customer satisfaction. @@ -296,15 +296,15 @@ o_orderpriority; id estRows task access object operator info Sort_10 1.00 root tpch.orders.o_orderpriority └─Projection_12 1.00 root tpch.orders.o_orderpriority, Column#27 - └─HashAgg_15 1.00 root group by:tpch.orders.o_orderpriority, funcs:count(1)->Column#27, funcs:firstrow(tpch.orders.o_orderpriority)->tpch.orders.o_orderpriority - └─IndexHashJoin_23 2340750.00 root semi join, inner:IndexLookUp_20, outer key:tpch.orders.o_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey) - ├─TableReader_42(Build) 2925937.50 root data:Selection_41 - │ └─Selection_41 2925937.50 cop[tikv] ge(tpch.orders.o_orderdate, 1995-01-01 00:00:00.000000), lt(tpch.orders.o_orderdate, 1995-04-01) - │ └─TableFullScan_40 75000000.00 cop[tikv] table:orders keep order:false - └─IndexLookUp_20(Probe) 4.05 root - ├─IndexRangeScan_17(Build) 5.06 cop[tikv] table:lineitem, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)], keep order:false - └─Selection_19(Probe) 4.05 cop[tikv] lt(tpch.lineitem.l_commitdate, tpch.lineitem.l_receiptdate) - └─TableRowIDScan_18 5.06 cop[tikv] table:lineitem keep order:false + └─HashAgg_13 1.00 root group by:tpch.orders.o_orderpriority, funcs:count(1)->Column#27, funcs:firstrow(tpch.orders.o_orderpriority)->tpch.orders.o_orderpriority + └─IndexHashJoin_21 2340750.00 root semi join, inner:IndexLookUp_18, outer key:tpch.orders.o_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey) + ├─TableReader_40(Build) 2925937.50 root data:Selection_39 + │ └─Selection_39 2925937.50 cop[tikv] ge(tpch.orders.o_orderdate, 1995-01-01 00:00:00.000000), lt(tpch.orders.o_orderdate, 1995-04-01) + │ └─TableFullScan_38 75000000.00 cop[tikv] table:orders keep order:false + └─IndexLookUp_18(Probe) 4.05 root + ├─IndexRangeScan_15(Build) 5.06 cop[tikv] table:lineitem, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)], keep order:false + └─Selection_17(Probe) 4.05 cop[tikv] lt(tpch.lineitem.l_commitdate, tpch.lineitem.l_receiptdate) + └─TableRowIDScan_16 5.06 cop[tikv] table:lineitem keep order:false /* Q5 Local Supplier Volume Query This query lists the revenue volume done through local suppliers. @@ -344,27 +344,27 @@ revenue desc; id estRows task access object operator info Sort_23 5.00 root Column#49:desc └─Projection_25 5.00 root tpch.nation.n_name, Column#49 - └─HashAgg_28 5.00 root group by:Column#52, funcs:sum(Column#50)->Column#49, funcs:firstrow(Column#51)->tpch.nation.n_name - └─Projection_85 11822812.50 root mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#50, tpch.nation.n_name, tpch.nation.n_name - └─HashJoin_37 11822812.50 root inner join, equal:[eq(tpch.supplier.s_nationkey, tpch.customer.c_nationkey) eq(tpch.orders.o_custkey, tpch.customer.c_custkey)] - ├─TableReader_83(Build) 7500000.00 root data:TableFullScan_82 - │ └─TableFullScan_82 7500000.00 cop[tikv] table:customer keep order:false - └─HashJoin_51(Probe) 11822812.50 root inner join, equal:[eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)] - ├─TableReader_81(Build) 11822812.50 root data:Selection_80 - │ └─Selection_80 11822812.50 cop[tikv] ge(tpch.orders.o_orderdate, 1994-01-01 00:00:00.000000), lt(tpch.orders.o_orderdate, 1995-01-01) - │ └─TableFullScan_79 75000000.00 cop[tikv] table:orders keep order:false - └─HashJoin_54(Probe) 61163763.01 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] - ├─HashJoin_56(Build) 100000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ ├─HashJoin_69(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] - │ │ ├─TableReader_74(Build) 1.00 root data:Selection_73 - │ │ │ └─Selection_73 1.00 cop[tikv] eq(tpch.region.r_name, "MIDDLE EAST") - │ │ │ └─TableFullScan_72 5.00 cop[tikv] table:region keep order:false - │ │ └─TableReader_71(Probe) 25.00 root data:TableFullScan_70 - │ │ └─TableFullScan_70 25.00 cop[tikv] table:nation keep order:false - │ └─TableReader_76(Probe) 500000.00 root data:TableFullScan_75 - │ └─TableFullScan_75 500000.00 cop[tikv] table:supplier keep order:false - └─TableReader_78(Probe) 300005811.00 root data:TableFullScan_77 - └─TableFullScan_77 300005811.00 cop[tikv] table:lineitem keep order:false + └─HashAgg_26 5.00 root group by:Column#52, funcs:sum(Column#50)->Column#49, funcs:firstrow(Column#51)->tpch.nation.n_name + └─Projection_83 11822812.50 root mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#50, tpch.nation.n_name, tpch.nation.n_name + └─HashJoin_35 11822812.50 root inner join, equal:[eq(tpch.supplier.s_nationkey, tpch.customer.c_nationkey) eq(tpch.orders.o_custkey, tpch.customer.c_custkey)] + ├─TableReader_81(Build) 7500000.00 root data:TableFullScan_80 + │ └─TableFullScan_80 7500000.00 cop[tikv] table:customer keep order:false + └─HashJoin_49(Probe) 11822812.50 root inner join, equal:[eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)] + ├─TableReader_79(Build) 11822812.50 root data:Selection_78 + │ └─Selection_78 11822812.50 cop[tikv] ge(tpch.orders.o_orderdate, 1994-01-01 00:00:00.000000), lt(tpch.orders.o_orderdate, 1995-01-01) + │ └─TableFullScan_77 75000000.00 cop[tikv] table:orders keep order:false + └─HashJoin_52(Probe) 61163763.01 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] + ├─HashJoin_54(Build) 100000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ ├─HashJoin_67(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] + │ │ ├─TableReader_72(Build) 1.00 root data:Selection_71 + │ │ │ └─Selection_71 1.00 cop[tikv] eq(tpch.region.r_name, "MIDDLE EAST") + │ │ │ └─TableFullScan_70 5.00 cop[tikv] table:region keep order:false + │ │ └─TableReader_69(Probe) 25.00 root data:TableFullScan_68 + │ │ └─TableFullScan_68 25.00 cop[tikv] table:nation keep order:false + │ └─TableReader_74(Probe) 500000.00 root data:TableFullScan_73 + │ └─TableFullScan_73 500000.00 cop[tikv] table:supplier keep order:false + └─TableReader_76(Probe) 300005811.00 root data:TableFullScan_75 + └─TableFullScan_75 300005811.00 cop[tikv] table:lineitem keep order:false /* Q6 Forecasting Revenue Change Query This query quantifies the amount of revenue increase that would have resulted from eliminating certain companywide @@ -445,28 +445,28 @@ l_year; id estRows task access object operator info Sort_22 769.96 root tpch.nation.n_name, tpch.nation.n_name, Column#50 └─Projection_24 769.96 root tpch.nation.n_name, tpch.nation.n_name, Column#50, Column#52 - └─HashAgg_27 769.96 root group by:Column#50, tpch.nation.n_name, tpch.nation.n_name, funcs:sum(Column#51)->Column#52, funcs:firstrow(tpch.nation.n_name)->tpch.nation.n_name, funcs:firstrow(tpch.nation.n_name)->tpch.nation.n_name, funcs:firstrow(Column#50)->Column#50 - └─Projection_28 1957240.42 root tpch.nation.n_name, tpch.nation.n_name, extract(YEAR, cast(tpch.lineitem.l_shipdate, var_string(10)))->Column#50, mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#51 - └─HashJoin_40 1957240.42 root inner join, equal:[eq(tpch.customer.c_nationkey, tpch.nation.n_nationkey)], other cond:or(and(eq(tpch.nation.n_name, "JAPAN"), eq(tpch.nation.n_name, "INDIA")), and(eq(tpch.nation.n_name, "INDIA"), eq(tpch.nation.n_name, "JAPAN"))) - ├─TableReader_94(Build) 2.00 root data:Selection_93 - │ └─Selection_93 2.00 cop[tikv] or(eq(tpch.nation.n_name, "INDIA"), eq(tpch.nation.n_name, "JAPAN")) - │ └─TableFullScan_92 25.00 cop[tikv] table:n2 keep order:false - └─HashJoin_51(Probe) 24465505.20 root inner join, equal:[eq(tpch.orders.o_custkey, tpch.customer.c_custkey)] - ├─TableReader_91(Build) 7500000.00 root data:TableFullScan_90 - │ └─TableFullScan_90 7500000.00 cop[tikv] table:customer keep order:false - └─IndexJoin_58(Probe) 24465505.20 root inner join, inner:TableReader_55, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey) - ├─HashJoin_66(Build) 24465505.20 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] - │ ├─HashJoin_79(Build) 40000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ │ ├─TableReader_84(Build) 2.00 root data:Selection_83 - │ │ │ └─Selection_83 2.00 cop[tikv] or(eq(tpch.nation.n_name, "JAPAN"), eq(tpch.nation.n_name, "INDIA")) - │ │ │ └─TableFullScan_82 25.00 cop[tikv] table:n1 keep order:false - │ │ └─TableReader_81(Probe) 500000.00 root data:TableFullScan_80 - │ │ └─TableFullScan_80 500000.00 cop[tikv] table:supplier keep order:false - │ └─TableReader_87(Probe) 91446230.29 root data:Selection_86 - │ └─Selection_86 91446230.29 cop[tikv] ge(tpch.lineitem.l_shipdate, 1995-01-01 00:00:00.000000), le(tpch.lineitem.l_shipdate, 1996-12-31 00:00:00.000000) - │ └─TableFullScan_85 300005811.00 cop[tikv] table:lineitem keep order:false - └─TableReader_55(Probe) 1.00 root data:TableRangeScan_54 - └─TableRangeScan_54 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:false + └─HashAgg_25 769.96 root group by:Column#50, tpch.nation.n_name, tpch.nation.n_name, funcs:sum(Column#51)->Column#52, funcs:firstrow(tpch.nation.n_name)->tpch.nation.n_name, funcs:firstrow(tpch.nation.n_name)->tpch.nation.n_name, funcs:firstrow(Column#50)->Column#50 + └─Projection_26 1957240.42 root tpch.nation.n_name, tpch.nation.n_name, extract(YEAR, cast(tpch.lineitem.l_shipdate, var_string(10)))->Column#50, mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#51 + └─HashJoin_38 1957240.42 root inner join, equal:[eq(tpch.customer.c_nationkey, tpch.nation.n_nationkey)], other cond:or(and(eq(tpch.nation.n_name, "JAPAN"), eq(tpch.nation.n_name, "INDIA")), and(eq(tpch.nation.n_name, "INDIA"), eq(tpch.nation.n_name, "JAPAN"))) + ├─TableReader_92(Build) 2.00 root data:Selection_91 + │ └─Selection_91 2.00 cop[tikv] or(eq(tpch.nation.n_name, "INDIA"), eq(tpch.nation.n_name, "JAPAN")) + │ └─TableFullScan_90 25.00 cop[tikv] table:n2 keep order:false + └─HashJoin_49(Probe) 24465505.20 root inner join, equal:[eq(tpch.orders.o_custkey, tpch.customer.c_custkey)] + ├─TableReader_89(Build) 7500000.00 root data:TableFullScan_88 + │ └─TableFullScan_88 7500000.00 cop[tikv] table:customer keep order:false + └─IndexJoin_56(Probe) 24465505.20 root inner join, inner:TableReader_53, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey) + ├─HashJoin_64(Build) 24465505.20 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] + │ ├─HashJoin_77(Build) 40000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ │ ├─TableReader_82(Build) 2.00 root data:Selection_81 + │ │ │ └─Selection_81 2.00 cop[tikv] or(eq(tpch.nation.n_name, "JAPAN"), eq(tpch.nation.n_name, "INDIA")) + │ │ │ └─TableFullScan_80 25.00 cop[tikv] table:n1 keep order:false + │ │ └─TableReader_79(Probe) 500000.00 root data:TableFullScan_78 + │ │ └─TableFullScan_78 500000.00 cop[tikv] table:supplier keep order:false + │ └─TableReader_85(Probe) 91446230.29 root data:Selection_84 + │ └─Selection_84 91446230.29 cop[tikv] ge(tpch.lineitem.l_shipdate, 1995-01-01 00:00:00.000000), le(tpch.lineitem.l_shipdate, 1996-12-31 00:00:00.000000) + │ └─TableFullScan_83 300005811.00 cop[tikv] table:lineitem keep order:false + └─TableReader_53(Probe) 1.00 root data:TableRangeScan_52 + └─TableRangeScan_52 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:false /* Q8 National Market Share Query This query determines how the market share of a given nation within a given region has changed over two years for @@ -517,36 +517,36 @@ o_year; id estRows task access object operator info Sort_29 719.02 root Column#62 └─Projection_31 719.02 root Column#62, div(Column#64, Column#65)->Column#66 - └─HashAgg_34 719.02 root group by:Column#78, funcs:sum(Column#75)->Column#64, funcs:sum(Column#76)->Column#65, funcs:firstrow(Column#77)->Column#62 - └─Projection_123 563136.02 root case(eq(tpch.nation.n_name, INDIA), Column#63, 0)->Column#75, Column#63, Column#62, Column#62 - └─Projection_35 563136.02 root extract(YEAR, cast(tpch.orders.o_orderdate, var_string(10)))->Column#62, mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#63, tpch.nation.n_name - └─HashJoin_45 563136.02 root inner join, equal:[eq(tpch.supplier.s_nationkey, tpch.nation.n_nationkey)] - ├─TableReader_121(Build) 25.00 root data:TableFullScan_120 - │ └─TableFullScan_120 25.00 cop[tikv] table:n2 keep order:false - └─HashJoin_56(Probe) 563136.02 root inner join, equal:[eq(tpch.lineitem.l_suppkey, tpch.supplier.s_suppkey)] - ├─TableReader_119(Build) 500000.00 root data:TableFullScan_118 - │ └─TableFullScan_118 500000.00 cop[tikv] table:supplier keep order:false - └─HashJoin_69(Probe) 563136.02 root inner join, equal:[eq(tpch.lineitem.l_partkey, tpch.part.p_partkey)] - ├─TableReader_117(Build) 61674.00 root data:Selection_116 - │ └─Selection_116 61674.00 cop[tikv] eq(tpch.part.p_type, "SMALL PLATED COPPER") - │ └─TableFullScan_115 10000000.00 cop[tikv] table:part keep order:false - └─IndexHashJoin_77(Probe) 90788402.51 root inner join, inner:IndexLookUp_74, outer key:tpch.orders.o_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey) - ├─HashJoin_87(Build) 22413367.93 root inner join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] - │ ├─HashJoin_89(Build) 1500000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.customer.c_nationkey)] - │ │ ├─HashJoin_102(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] - │ │ │ ├─TableReader_107(Build) 1.00 root data:Selection_106 - │ │ │ │ └─Selection_106 1.00 cop[tikv] eq(tpch.region.r_name, "ASIA") - │ │ │ │ └─TableFullScan_105 5.00 cop[tikv] table:region keep order:false - │ │ │ └─TableReader_104(Probe) 25.00 root data:TableFullScan_103 - │ │ │ └─TableFullScan_103 25.00 cop[tikv] table:n1 keep order:false - │ │ └─TableReader_109(Probe) 7500000.00 root data:TableFullScan_108 - │ │ └─TableFullScan_108 7500000.00 cop[tikv] table:customer keep order:false - │ └─TableReader_112(Probe) 22413367.93 root data:Selection_111 - │ └─Selection_111 22413367.93 cop[tikv] ge(tpch.orders.o_orderdate, 1995-01-01 00:00:00.000000), le(tpch.orders.o_orderdate, 1996-12-31 00:00:00.000000) - │ └─TableFullScan_110 75000000.00 cop[tikv] table:orders keep order:false - └─IndexLookUp_74(Probe) 4.05 root - ├─IndexRangeScan_72(Build) 4.05 cop[tikv] table:lineitem, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)], keep order:false - └─TableRowIDScan_73(Probe) 4.05 cop[tikv] table:lineitem keep order:false + └─HashAgg_32 719.02 root group by:Column#78, funcs:sum(Column#75)->Column#64, funcs:sum(Column#76)->Column#65, funcs:firstrow(Column#77)->Column#62 + └─Projection_121 563136.02 root case(eq(tpch.nation.n_name, INDIA), Column#63, 0)->Column#75, Column#63, Column#62, Column#62 + └─Projection_33 563136.02 root extract(YEAR, cast(tpch.orders.o_orderdate, var_string(10)))->Column#62, mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#63, tpch.nation.n_name + └─HashJoin_43 563136.02 root inner join, equal:[eq(tpch.supplier.s_nationkey, tpch.nation.n_nationkey)] + ├─TableReader_119(Build) 25.00 root data:TableFullScan_118 + │ └─TableFullScan_118 25.00 cop[tikv] table:n2 keep order:false + └─HashJoin_54(Probe) 563136.02 root inner join, equal:[eq(tpch.lineitem.l_suppkey, tpch.supplier.s_suppkey)] + ├─TableReader_117(Build) 500000.00 root data:TableFullScan_116 + │ └─TableFullScan_116 500000.00 cop[tikv] table:supplier keep order:false + └─HashJoin_67(Probe) 563136.02 root inner join, equal:[eq(tpch.lineitem.l_partkey, tpch.part.p_partkey)] + ├─TableReader_115(Build) 61674.00 root data:Selection_114 + │ └─Selection_114 61674.00 cop[tikv] eq(tpch.part.p_type, "SMALL PLATED COPPER") + │ └─TableFullScan_113 10000000.00 cop[tikv] table:part keep order:false + └─IndexHashJoin_75(Probe) 90788402.51 root inner join, inner:IndexLookUp_72, outer key:tpch.orders.o_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey) + ├─HashJoin_85(Build) 22413367.93 root inner join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] + │ ├─HashJoin_87(Build) 1500000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.customer.c_nationkey)] + │ │ ├─HashJoin_100(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] + │ │ │ ├─TableReader_105(Build) 1.00 root data:Selection_104 + │ │ │ │ └─Selection_104 1.00 cop[tikv] eq(tpch.region.r_name, "ASIA") + │ │ │ │ └─TableFullScan_103 5.00 cop[tikv] table:region keep order:false + │ │ │ └─TableReader_102(Probe) 25.00 root data:TableFullScan_101 + │ │ │ └─TableFullScan_101 25.00 cop[tikv] table:n1 keep order:false + │ │ └─TableReader_107(Probe) 7500000.00 root data:TableFullScan_106 + │ │ └─TableFullScan_106 7500000.00 cop[tikv] table:customer keep order:false + │ └─TableReader_110(Probe) 22413367.93 root data:Selection_109 + │ └─Selection_109 22413367.93 cop[tikv] ge(tpch.orders.o_orderdate, 1995-01-01 00:00:00.000000), le(tpch.orders.o_orderdate, 1996-12-31 00:00:00.000000) + │ └─TableFullScan_108 75000000.00 cop[tikv] table:orders keep order:false + └─IndexLookUp_72(Probe) 4.05 root + ├─IndexRangeScan_70(Build) 4.05 cop[tikv] table:lineitem, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)], keep order:false + └─TableRowIDScan_71(Probe) 4.05 cop[tikv] table:lineitem keep order:false /* Q9 Product Type Profit Measure Query This query determines how much profit is made on a given line of parts, broken out by supplier nation and year. @@ -593,26 +593,26 @@ o_year desc; id estRows task access object operator info Sort_25 2406.00 root tpch.nation.n_name, Column#53:desc └─Projection_27 2406.00 root tpch.nation.n_name, Column#53, Column#55 - └─HashAgg_30 2406.00 root group by:Column#53, tpch.nation.n_name, funcs:sum(Column#54)->Column#55, funcs:firstrow(tpch.nation.n_name)->tpch.nation.n_name, funcs:firstrow(Column#53)->Column#53 - └─Projection_31 241379546.70 root tpch.nation.n_name, extract(YEAR, cast(tpch.orders.o_orderdate, var_string(10)))->Column#53, minus(mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount)), mul(tpch.partsupp.ps_supplycost, tpch.lineitem.l_quantity))->Column#54 - └─HashJoin_42 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)] - ├─TableReader_117(Build) 75000000.00 root data:TableFullScan_116 - │ └─TableFullScan_116 75000000.00 cop[tikv] table:orders keep order:false - └─HashJoin_77(Probe) 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_suppkey, tpch.partsupp.ps_suppkey) eq(tpch.lineitem.l_partkey, tpch.partsupp.ps_partkey)] - ├─TableReader_115(Build) 40000000.00 root data:TableFullScan_114 - │ └─TableFullScan_114 40000000.00 cop[tikv] table:partsupp keep order:false - └─HashJoin_90(Probe) 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_partkey, tpch.part.p_partkey)] - ├─TableReader_113(Build) 8000000.00 root data:Selection_112 - │ └─Selection_112 8000000.00 cop[tikv] like(tpch.part.p_name, "%dim%", 92) - │ └─TableFullScan_111 10000000.00 cop[tikv] table:part keep order:false - └─HashJoin_93(Probe) 300005811.00 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] - ├─HashJoin_104(Build) 500000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ ├─TableReader_108(Build) 25.00 root data:TableFullScan_107 - │ │ └─TableFullScan_107 25.00 cop[tikv] table:nation keep order:false - │ └─TableReader_106(Probe) 500000.00 root data:TableFullScan_105 - │ └─TableFullScan_105 500000.00 cop[tikv] table:supplier keep order:false - └─TableReader_110(Probe) 300005811.00 root data:TableFullScan_109 - └─TableFullScan_109 300005811.00 cop[tikv] table:lineitem keep order:false + └─HashAgg_28 2406.00 root group by:Column#53, tpch.nation.n_name, funcs:sum(Column#54)->Column#55, funcs:firstrow(tpch.nation.n_name)->tpch.nation.n_name, funcs:firstrow(Column#53)->Column#53 + └─Projection_29 241379546.70 root tpch.nation.n_name, extract(YEAR, cast(tpch.orders.o_orderdate, var_string(10)))->Column#53, minus(mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount)), mul(tpch.partsupp.ps_supplycost, tpch.lineitem.l_quantity))->Column#54 + └─HashJoin_40 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)] + ├─TableReader_115(Build) 75000000.00 root data:TableFullScan_114 + │ └─TableFullScan_114 75000000.00 cop[tikv] table:orders keep order:false + └─HashJoin_75(Probe) 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_suppkey, tpch.partsupp.ps_suppkey) eq(tpch.lineitem.l_partkey, tpch.partsupp.ps_partkey)] + ├─TableReader_113(Build) 40000000.00 root data:TableFullScan_112 + │ └─TableFullScan_112 40000000.00 cop[tikv] table:partsupp keep order:false + └─HashJoin_88(Probe) 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_partkey, tpch.part.p_partkey)] + ├─TableReader_111(Build) 8000000.00 root data:Selection_110 + │ └─Selection_110 8000000.00 cop[tikv] like(tpch.part.p_name, "%dim%", 92) + │ └─TableFullScan_109 10000000.00 cop[tikv] table:part keep order:false + └─HashJoin_91(Probe) 300005811.00 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] + ├─HashJoin_102(Build) 500000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ ├─TableReader_106(Build) 25.00 root data:TableFullScan_105 + │ │ └─TableFullScan_105 25.00 cop[tikv] table:nation keep order:false + │ └─TableReader_104(Probe) 500000.00 root data:TableFullScan_103 + │ └─TableFullScan_103 500000.00 cop[tikv] table:supplier keep order:false + └─TableReader_108(Probe) 300005811.00 root data:TableFullScan_107 + └─TableFullScan_107 300005811.00 cop[tikv] table:lineitem keep order:false /* Q10 Returned Item Reporting Query The query identifies customers who might be having problems with the parts that are shipped to them. @@ -659,22 +659,22 @@ limit 20; id estRows task access object operator info Projection_17 20.00 root tpch.customer.c_custkey, tpch.customer.c_name, Column#39, tpch.customer.c_acctbal, tpch.nation.n_name, tpch.customer.c_address, tpch.customer.c_phone, tpch.customer.c_comment └─TopN_20 20.00 root Column#39:desc, offset:0, count:20 - └─HashAgg_26 3017307.69 root group by:Column#53, Column#54, Column#55, Column#56, Column#57, Column#58, Column#59, funcs:sum(Column#45)->Column#39, funcs:firstrow(Column#46)->tpch.customer.c_custkey, funcs:firstrow(Column#47)->tpch.customer.c_name, funcs:firstrow(Column#48)->tpch.customer.c_address, funcs:firstrow(Column#49)->tpch.customer.c_phone, funcs:firstrow(Column#50)->tpch.customer.c_acctbal, funcs:firstrow(Column#51)->tpch.customer.c_comment, funcs:firstrow(Column#52)->tpch.nation.n_name - └─Projection_67 12222016.17 root mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#45, tpch.customer.c_custkey, tpch.customer.c_name, tpch.customer.c_address, tpch.customer.c_phone, tpch.customer.c_acctbal, tpch.customer.c_comment, tpch.nation.n_name, tpch.customer.c_custkey, tpch.customer.c_name, tpch.customer.c_acctbal, tpch.customer.c_phone, tpch.nation.n_name, tpch.customer.c_address, tpch.customer.c_comment - └─IndexHashJoin_34 12222016.17 root inner join, inner:IndexLookUp_31, outer key:tpch.orders.o_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey) - ├─HashJoin_44(Build) 3017307.69 root inner join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] - │ ├─TableReader_63(Build) 3017307.69 root data:Selection_62 - │ │ └─Selection_62 3017307.69 cop[tikv] ge(tpch.orders.o_orderdate, 1993-08-01 00:00:00.000000), lt(tpch.orders.o_orderdate, 1993-11-01) - │ │ └─TableFullScan_61 75000000.00 cop[tikv] table:orders keep order:false - │ └─HashJoin_56(Probe) 7500000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.customer.c_nationkey)] - │ ├─TableReader_60(Build) 25.00 root data:TableFullScan_59 - │ │ └─TableFullScan_59 25.00 cop[tikv] table:nation keep order:false - │ └─TableReader_58(Probe) 7500000.00 root data:TableFullScan_57 - │ └─TableFullScan_57 7500000.00 cop[tikv] table:customer keep order:false - └─IndexLookUp_31(Probe) 4.05 root - ├─IndexRangeScan_28(Build) 16.44 cop[tikv] table:lineitem, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)], keep order:false - └─Selection_30(Probe) 4.05 cop[tikv] eq(tpch.lineitem.l_returnflag, "R") - └─TableRowIDScan_29 16.44 cop[tikv] table:lineitem keep order:false + └─HashAgg_24 3017307.69 root group by:Column#53, Column#54, Column#55, Column#56, Column#57, Column#58, Column#59, funcs:sum(Column#45)->Column#39, funcs:firstrow(Column#46)->tpch.customer.c_custkey, funcs:firstrow(Column#47)->tpch.customer.c_name, funcs:firstrow(Column#48)->tpch.customer.c_address, funcs:firstrow(Column#49)->tpch.customer.c_phone, funcs:firstrow(Column#50)->tpch.customer.c_acctbal, funcs:firstrow(Column#51)->tpch.customer.c_comment, funcs:firstrow(Column#52)->tpch.nation.n_name + └─Projection_65 12222016.17 root mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#45, tpch.customer.c_custkey, tpch.customer.c_name, tpch.customer.c_address, tpch.customer.c_phone, tpch.customer.c_acctbal, tpch.customer.c_comment, tpch.nation.n_name, tpch.customer.c_custkey, tpch.customer.c_name, tpch.customer.c_acctbal, tpch.customer.c_phone, tpch.nation.n_name, tpch.customer.c_address, tpch.customer.c_comment + └─IndexHashJoin_32 12222016.17 root inner join, inner:IndexLookUp_29, outer key:tpch.orders.o_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey) + ├─HashJoin_42(Build) 3017307.69 root inner join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] + │ ├─TableReader_61(Build) 3017307.69 root data:Selection_60 + │ │ └─Selection_60 3017307.69 cop[tikv] ge(tpch.orders.o_orderdate, 1993-08-01 00:00:00.000000), lt(tpch.orders.o_orderdate, 1993-11-01) + │ │ └─TableFullScan_59 75000000.00 cop[tikv] table:orders keep order:false + │ └─HashJoin_54(Probe) 7500000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.customer.c_nationkey)] + │ ├─TableReader_58(Build) 25.00 root data:TableFullScan_57 + │ │ └─TableFullScan_57 25.00 cop[tikv] table:nation keep order:false + │ └─TableReader_56(Probe) 7500000.00 root data:TableFullScan_55 + │ └─TableFullScan_55 7500000.00 cop[tikv] table:customer keep order:false + └─IndexLookUp_29(Probe) 4.05 root + ├─IndexRangeScan_26(Build) 16.44 cop[tikv] table:lineitem, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)], keep order:false + └─Selection_28(Probe) 4.05 cop[tikv] eq(tpch.lineitem.l_returnflag, "R") + └─TableRowIDScan_27 16.44 cop[tikv] table:lineitem keep order:false /* Q11 Important Stock Identification Query This query finds the most important subset of suppliers' stock in a given nation. @@ -711,20 +711,20 @@ and n_name = 'MOZAMBIQUE' order by value desc; id estRows task access object operator info -Projection_57 1304801.67 root tpch.partsupp.ps_partkey, Column#35 -└─Sort_58 1304801.67 root Column#35:desc - └─Selection_60 1304801.67 root gt(Column#35, NULL) - └─HashAgg_63 1631002.09 root group by:Column#44, funcs:sum(Column#42)->Column#35, funcs:firstrow(Column#43)->tpch.partsupp.ps_partkey - └─Projection_89 1631002.09 root mul(tpch.partsupp.ps_supplycost, cast(tpch.partsupp.ps_availqty, decimal(20,0) BINARY))->Column#42, tpch.partsupp.ps_partkey, tpch.partsupp.ps_partkey - └─HashJoin_67 1631002.09 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.partsupp.ps_suppkey)] - ├─HashJoin_80(Build) 20000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ ├─TableReader_85(Build) 1.00 root data:Selection_84 - │ │ └─Selection_84 1.00 cop[tikv] eq(tpch.nation.n_name, "MOZAMBIQUE") - │ │ └─TableFullScan_83 25.00 cop[tikv] table:nation keep order:false - │ └─TableReader_82(Probe) 500000.00 root data:TableFullScan_81 - │ └─TableFullScan_81 500000.00 cop[tikv] table:supplier keep order:false - └─TableReader_87(Probe) 40000000.00 root data:TableFullScan_86 - └─TableFullScan_86 40000000.00 cop[tikv] table:partsupp keep order:false +Projection_54 1304801.67 root tpch.partsupp.ps_partkey, Column#35 +└─Sort_55 1304801.67 root Column#35:desc + └─Selection_57 1304801.67 root gt(Column#35, NULL) + └─HashAgg_58 1631002.09 root group by:Column#44, funcs:sum(Column#42)->Column#35, funcs:firstrow(Column#43)->tpch.partsupp.ps_partkey + └─Projection_83 1631002.09 root mul(tpch.partsupp.ps_supplycost, cast(tpch.partsupp.ps_availqty, decimal(20,0) BINARY))->Column#42, tpch.partsupp.ps_partkey, tpch.partsupp.ps_partkey + └─HashJoin_61 1631002.09 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.partsupp.ps_suppkey)] + ├─HashJoin_74(Build) 20000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ ├─TableReader_79(Build) 1.00 root data:Selection_78 + │ │ └─Selection_78 1.00 cop[tikv] eq(tpch.nation.n_name, "MOZAMBIQUE") + │ │ └─TableFullScan_77 25.00 cop[tikv] table:nation keep order:false + │ └─TableReader_76(Probe) 500000.00 root data:TableFullScan_75 + │ └─TableFullScan_75 500000.00 cop[tikv] table:supplier keep order:false + └─TableReader_81(Probe) 40000000.00 root data:TableFullScan_80 + └─TableFullScan_80 40000000.00 cop[tikv] table:partsupp keep order:false /* Q12 Shipping Modes and Order Priority Query This query determines whether selecting less expensive modes of shipping is negatively affecting the critical-priority @@ -767,14 +767,14 @@ l_shipmode; id estRows task access object operator info Sort_9 1.00 root tpch.lineitem.l_shipmode └─Projection_11 1.00 root tpch.lineitem.l_shipmode, Column#27, Column#28 - └─HashAgg_14 1.00 root group by:Column#40, funcs:sum(Column#37)->Column#27, funcs:sum(Column#38)->Column#28, funcs:firstrow(Column#39)->tpch.lineitem.l_shipmode - └─Projection_54 10023369.01 root cast(case(or(eq(tpch.orders.o_orderpriority, 1-URGENT), eq(tpch.orders.o_orderpriority, 2-HIGH)), 1, 0), decimal(22,0) BINARY)->Column#37, cast(case(and(ne(tpch.orders.o_orderpriority, 1-URGENT), ne(tpch.orders.o_orderpriority, 2-HIGH)), 1, 0), decimal(22,0) BINARY)->Column#38, tpch.lineitem.l_shipmode, tpch.lineitem.l_shipmode - └─IndexJoin_20 10023369.01 root inner join, inner:TableReader_17, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey) - ├─TableReader_50(Build) 10023369.01 root data:Selection_49 - │ └─Selection_49 10023369.01 cop[tikv] ge(tpch.lineitem.l_receiptdate, 1997-01-01 00:00:00.000000), in(tpch.lineitem.l_shipmode, "RAIL", "FOB"), lt(tpch.lineitem.l_commitdate, tpch.lineitem.l_receiptdate), lt(tpch.lineitem.l_receiptdate, 1998-01-01), lt(tpch.lineitem.l_shipdate, tpch.lineitem.l_commitdate) - │ └─TableFullScan_48 300005811.00 cop[tikv] table:lineitem keep order:false - └─TableReader_17(Probe) 1.00 root data:TableRangeScan_16 - └─TableRangeScan_16 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:false + └─HashAgg_12 1.00 root group by:Column#40, funcs:sum(Column#37)->Column#27, funcs:sum(Column#38)->Column#28, funcs:firstrow(Column#39)->tpch.lineitem.l_shipmode + └─Projection_52 10023369.01 root cast(case(or(eq(tpch.orders.o_orderpriority, 1-URGENT), eq(tpch.orders.o_orderpriority, 2-HIGH)), 1, 0), decimal(22,0) BINARY)->Column#37, cast(case(and(ne(tpch.orders.o_orderpriority, 1-URGENT), ne(tpch.orders.o_orderpriority, 2-HIGH)), 1, 0), decimal(22,0) BINARY)->Column#38, tpch.lineitem.l_shipmode, tpch.lineitem.l_shipmode + └─IndexJoin_18 10023369.01 root inner join, inner:TableReader_15, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey) + ├─TableReader_48(Build) 10023369.01 root data:Selection_47 + │ └─Selection_47 10023369.01 cop[tikv] ge(tpch.lineitem.l_receiptdate, 1997-01-01 00:00:00.000000), in(tpch.lineitem.l_shipmode, "RAIL", "FOB"), lt(tpch.lineitem.l_commitdate, tpch.lineitem.l_receiptdate), lt(tpch.lineitem.l_receiptdate, 1998-01-01), lt(tpch.lineitem.l_shipdate, tpch.lineitem.l_commitdate) + │ └─TableFullScan_46 300005811.00 cop[tikv] table:lineitem keep order:false + └─TableReader_15(Probe) 1.00 root data:TableRangeScan_14 + └─TableRangeScan_14 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:false /* Q13 Customer Distribution Query This query seeks relationships between customers and the size of their orders. @@ -807,14 +807,14 @@ c_count desc; id estRows task access object operator info Sort_9 7500000.00 root Column#19:desc, Column#18:desc └─Projection_11 7500000.00 root Column#18, Column#19 - └─HashAgg_14 7500000.00 root group by:Column#18, funcs:count(1)->Column#19, funcs:firstrow(Column#18)->Column#18 - └─HashAgg_17 7500000.00 root group by:tpch.customer.c_custkey, funcs:count(tpch.orders.o_orderkey)->Column#18 - └─HashJoin_21 60000000.00 root left outer join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] - ├─TableReader_23(Build) 7500000.00 root data:TableFullScan_22 - │ └─TableFullScan_22 7500000.00 cop[tikv] table:customer keep order:false - └─TableReader_26(Probe) 60000000.00 root data:Selection_25 - └─Selection_25 60000000.00 cop[tikv] not(like(tpch.orders.o_comment, "%pending%deposits%", 92)) - └─TableFullScan_24 75000000.00 cop[tikv] table:orders keep order:false + └─HashAgg_12 7500000.00 root group by:Column#18, funcs:count(1)->Column#19, funcs:firstrow(Column#18)->Column#18 + └─HashAgg_13 7500000.00 root group by:tpch.customer.c_custkey, funcs:count(tpch.orders.o_orderkey)->Column#18 + └─HashJoin_16 60000000.00 root left outer join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] + ├─TableReader_18(Build) 7500000.00 root data:TableFullScan_17 + │ └─TableFullScan_17 7500000.00 cop[tikv] table:customer keep order:false + └─TableReader_21(Probe) 60000000.00 root data:Selection_20 + └─Selection_20 60000000.00 cop[tikv] not(like(tpch.orders.o_comment, "%pending%deposits%", 92)) + └─TableFullScan_19 75000000.00 cop[tikv] table:orders keep order:false /* Q14 Promotion Effect Query This query monitors the market response to a promotion such as TV advertisements or a special campaign. @@ -838,14 +838,14 @@ and l_shipdate >= '1996-12-01' and l_shipdate < date_add('1996-12-01', interval '1' month); id estRows task access object operator info Projection_8 1.00 root div(mul(100.00, Column#27), Column#28)->Column#29 -└─StreamAgg_13 1.00 root funcs:sum(Column#31)->Column#27, funcs:sum(Column#32)->Column#28 - └─Projection_41 4121984.49 root case(like(tpch.part.p_type, PROMO%, 92), mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount)), 0)->Column#31, mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#32 - └─IndexJoin_34 4121984.49 root inner join, inner:TableReader_31, outer key:tpch.lineitem.l_partkey, inner key:tpch.part.p_partkey, equal cond:eq(tpch.lineitem.l_partkey, tpch.part.p_partkey) - ├─TableReader_27(Build) 4121984.49 root data:Selection_26 - │ └─Selection_26 4121984.49 cop[tikv] ge(tpch.lineitem.l_shipdate, 1996-12-01 00:00:00.000000), lt(tpch.lineitem.l_shipdate, 1997-01-01) - │ └─TableFullScan_25 300005811.00 cop[tikv] table:lineitem keep order:false - └─TableReader_31(Probe) 1.00 root data:TableRangeScan_30 - └─TableRangeScan_30 1.00 cop[tikv] table:part range: decided by [tpch.lineitem.l_partkey], keep order:false +└─StreamAgg_10 1.00 root funcs:sum(Column#31)->Column#27, funcs:sum(Column#32)->Column#28 + └─Projection_38 4121984.49 root case(like(tpch.part.p_type, PROMO%, 92), mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount)), 0)->Column#31, mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#32 + └─IndexJoin_31 4121984.49 root inner join, inner:TableReader_28, outer key:tpch.lineitem.l_partkey, inner key:tpch.part.p_partkey, equal cond:eq(tpch.lineitem.l_partkey, tpch.part.p_partkey) + ├─TableReader_24(Build) 4121984.49 root data:Selection_23 + │ └─Selection_23 4121984.49 cop[tikv] ge(tpch.lineitem.l_shipdate, 1996-12-01 00:00:00.000000), lt(tpch.lineitem.l_shipdate, 1997-01-01) + │ └─TableFullScan_22 300005811.00 cop[tikv] table:lineitem keep order:false + └─TableReader_28(Probe) 1.00 root data:TableRangeScan_27 + └─TableRangeScan_27 1.00 cop[tikv] table:part range: decided by [tpch.lineitem.l_partkey], keep order:false /* Q15 Top Supplier Query This query determines the top supplier so it can be rewarded, given more business, or identified for special recognition. @@ -969,18 +969,18 @@ l_partkey = p_partkey ); id estRows task access object operator info Projection_16 1.00 root div(Column#46, 7.0)->Column#47 -└─StreamAgg_21 1.00 root funcs:sum(tpch.lineitem.l_extendedprice)->Column#46 - └─HashJoin_53 293773.83 root inner join, equal:[eq(tpch.part.p_partkey, tpch.lineitem.l_partkey)], other cond:lt(tpch.lineitem.l_quantity, mul(0.2, Column#44)) - ├─HashJoin_37(Build) 293773.83 root inner join, equal:[eq(tpch.part.p_partkey, tpch.lineitem.l_partkey)] - │ ├─TableReader_42(Build) 9736.49 root data:Selection_41 - │ │ └─Selection_41 9736.49 cop[tikv] eq(tpch.part.p_brand, "Brand#44"), eq(tpch.part.p_container, "WRAP PKG") - │ │ └─TableFullScan_40 10000000.00 cop[tikv] table:part keep order:false - │ └─TableReader_39(Probe) 300005811.00 root data:TableFullScan_38 - │ └─TableFullScan_38 300005811.00 cop[tikv] table:lineitem keep order:false - └─HashAgg_47(Probe) 9943040.00 root group by:tpch.lineitem.l_partkey, funcs:avg(Column#50, Column#51)->Column#44, funcs:firstrow(tpch.lineitem.l_partkey)->tpch.lineitem.l_partkey - └─TableReader_48 9943040.00 root data:HashAgg_43 - └─HashAgg_43 9943040.00 cop[tikv] group by:tpch.lineitem.l_partkey, funcs:count(tpch.lineitem.l_quantity)->Column#50, funcs:sum(tpch.lineitem.l_quantity)->Column#51 - └─TableFullScan_46 300005811.00 cop[tikv] table:lineitem keep order:false +└─StreamAgg_18 1.00 root funcs:sum(tpch.lineitem.l_extendedprice)->Column#46 + └─HashJoin_50 293773.83 root inner join, equal:[eq(tpch.part.p_partkey, tpch.lineitem.l_partkey)], other cond:lt(tpch.lineitem.l_quantity, mul(0.2, Column#44)) + ├─HashJoin_34(Build) 293773.83 root inner join, equal:[eq(tpch.part.p_partkey, tpch.lineitem.l_partkey)] + │ ├─TableReader_39(Build) 9736.49 root data:Selection_38 + │ │ └─Selection_38 9736.49 cop[tikv] eq(tpch.part.p_brand, "Brand#44"), eq(tpch.part.p_container, "WRAP PKG") + │ │ └─TableFullScan_37 10000000.00 cop[tikv] table:part keep order:false + │ └─TableReader_36(Probe) 300005811.00 root data:TableFullScan_35 + │ └─TableFullScan_35 300005811.00 cop[tikv] table:lineitem keep order:false + └─HashAgg_44(Probe) 9943040.00 root group by:tpch.lineitem.l_partkey, funcs:avg(Column#50, Column#51)->Column#44, funcs:firstrow(tpch.lineitem.l_partkey)->tpch.lineitem.l_partkey + └─TableReader_45 9943040.00 root data:HashAgg_40 + └─HashAgg_40 9943040.00 cop[tikv] group by:tpch.lineitem.l_partkey, funcs:count(tpch.lineitem.l_quantity)->Column#50, funcs:sum(tpch.lineitem.l_quantity)->Column#51 + └─TableFullScan_43 300005811.00 cop[tikv] table:lineitem keep order:false /* Q18 Large Volume Customer Query The Large Volume Customer Query ranks customers based on their having placed a large quantity order. Large @@ -1026,21 +1026,21 @@ limit 100; id estRows task access object operator info Projection_24 100.00 root tpch.customer.c_name, tpch.customer.c_custkey, tpch.orders.o_orderkey, tpch.orders.o_orderdate, tpch.orders.o_totalprice, Column#54 └─TopN_27 100.00 root tpch.orders.o_totalprice:desc, tpch.orders.o_orderdate, offset:0, count:100 - └─HashAgg_33 59251097.60 root group by:tpch.customer.c_custkey, tpch.customer.c_name, tpch.orders.o_orderdate, tpch.orders.o_orderkey, tpch.orders.o_totalprice, funcs:sum(tpch.lineitem.l_quantity)->Column#54, funcs:firstrow(tpch.customer.c_custkey)->tpch.customer.c_custkey, funcs:firstrow(tpch.customer.c_name)->tpch.customer.c_name, funcs:firstrow(tpch.orders.o_orderkey)->tpch.orders.o_orderkey, funcs:firstrow(tpch.orders.o_totalprice)->tpch.orders.o_totalprice, funcs:firstrow(tpch.orders.o_orderdate)->tpch.orders.o_orderdate - └─HashJoin_48 240004648.80 root inner join, equal:[eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey)] - ├─HashJoin_72(Build) 59251097.60 root inner join, equal:[eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey)] - │ ├─Selection_89(Build) 59251097.60 root gt(Column#52, 314) - │ │ └─HashAgg_96 74063872.00 root group by:tpch.lineitem.l_orderkey, funcs:sum(Column#66)->Column#52, funcs:firstrow(tpch.lineitem.l_orderkey)->tpch.lineitem.l_orderkey - │ │ └─TableReader_97 74063872.00 root data:HashAgg_90 - │ │ └─HashAgg_90 74063872.00 cop[tikv] group by:tpch.lineitem.l_orderkey, funcs:sum(tpch.lineitem.l_quantity)->Column#66 - │ │ └─TableFullScan_95 300005811.00 cop[tikv] table:lineitem keep order:false - │ └─HashJoin_84(Probe) 75000000.00 root inner join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] - │ ├─TableReader_88(Build) 7500000.00 root data:TableFullScan_87 - │ │ └─TableFullScan_87 7500000.00 cop[tikv] table:customer keep order:false - │ └─TableReader_86(Probe) 75000000.00 root data:TableFullScan_85 - │ └─TableFullScan_85 75000000.00 cop[tikv] table:orders keep order:false - └─TableReader_101(Probe) 300005811.00 root data:TableFullScan_100 - └─TableFullScan_100 300005811.00 cop[tikv] table:lineitem keep order:false + └─HashAgg_31 59251097.60 root group by:tpch.customer.c_custkey, tpch.customer.c_name, tpch.orders.o_orderdate, tpch.orders.o_orderkey, tpch.orders.o_totalprice, funcs:sum(tpch.lineitem.l_quantity)->Column#54, funcs:firstrow(tpch.customer.c_custkey)->tpch.customer.c_custkey, funcs:firstrow(tpch.customer.c_name)->tpch.customer.c_name, funcs:firstrow(tpch.orders.o_orderkey)->tpch.orders.o_orderkey, funcs:firstrow(tpch.orders.o_totalprice)->tpch.orders.o_totalprice, funcs:firstrow(tpch.orders.o_orderdate)->tpch.orders.o_orderdate + └─HashJoin_46 240004648.80 root inner join, equal:[eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey)] + ├─HashJoin_70(Build) 59251097.60 root inner join, equal:[eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey)] + │ ├─Selection_87(Build) 59251097.60 root gt(Column#52, 314) + │ │ └─HashAgg_94 74063872.00 root group by:tpch.lineitem.l_orderkey, funcs:sum(Column#66)->Column#52, funcs:firstrow(tpch.lineitem.l_orderkey)->tpch.lineitem.l_orderkey + │ │ └─TableReader_95 74063872.00 root data:HashAgg_88 + │ │ └─HashAgg_88 74063872.00 cop[tikv] group by:tpch.lineitem.l_orderkey, funcs:sum(tpch.lineitem.l_quantity)->Column#66 + │ │ └─TableFullScan_93 300005811.00 cop[tikv] table:lineitem keep order:false + │ └─HashJoin_82(Probe) 75000000.00 root inner join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] + │ ├─TableReader_86(Build) 7500000.00 root data:TableFullScan_85 + │ │ └─TableFullScan_85 7500000.00 cop[tikv] table:customer keep order:false + │ └─TableReader_84(Probe) 75000000.00 root data:TableFullScan_83 + │ └─TableFullScan_83 75000000.00 cop[tikv] table:orders keep order:false + └─TableReader_99(Probe) 300005811.00 root data:TableFullScan_98 + └─TableFullScan_98 300005811.00 cop[tikv] table:lineitem keep order:false /* Q19 Discounted Revenue Query The Discounted Revenue Query reports the gross discounted revenue attributed to the sale of selected parts handled @@ -1087,15 +1087,15 @@ and l_shipmode in ('AIR', 'AIR REG') and l_shipinstruct = 'DELIVER IN PERSON' ); id estRows task access object operator info -StreamAgg_13 1.00 root funcs:sum(Column#28)->Column#27 -└─Projection_46 733887.82 root mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#28 - └─HashJoin_45 733887.82 root inner join, equal:[eq(tpch.part.p_partkey, tpch.lineitem.l_partkey)], other cond:or(and(and(eq(tpch.part.p_brand, "Brand#52"), in(tpch.part.p_container, "SM CASE", "SM BOX", "SM PACK", "SM PKG")), and(ge(tpch.lineitem.l_quantity, 4), and(le(tpch.lineitem.l_quantity, 14), le(tpch.part.p_size, 5)))), or(and(and(eq(tpch.part.p_brand, "Brand#11"), in(tpch.part.p_container, "MED BAG", "MED BOX", "MED PKG", "MED PACK")), and(ge(tpch.lineitem.l_quantity, 18), and(le(tpch.lineitem.l_quantity, 28), le(tpch.part.p_size, 10)))), and(and(eq(tpch.part.p_brand, "Brand#51"), in(tpch.part.p_container, "LG CASE", "LG BOX", "LG PACK", "LG PKG")), and(ge(tpch.lineitem.l_quantity, 29), and(le(tpch.lineitem.l_quantity, 39), le(tpch.part.p_size, 15)))))) - ├─TableReader_32(Build) 24323.12 root data:Selection_31 - │ └─Selection_31 24323.12 cop[tikv] ge(tpch.part.p_size, 1), or(and(eq(tpch.part.p_brand, "Brand#52"), and(in(tpch.part.p_container, "SM CASE", "SM BOX", "SM PACK", "SM PKG"), le(tpch.part.p_size, 5))), or(and(eq(tpch.part.p_brand, "Brand#11"), and(in(tpch.part.p_container, "MED BAG", "MED BOX", "MED PKG", "MED PACK"), le(tpch.part.p_size, 10))), and(eq(tpch.part.p_brand, "Brand#51"), and(in(tpch.part.p_container, "LG CASE", "LG BOX", "LG PACK", "LG PKG"), le(tpch.part.p_size, 15))))) - │ └─TableFullScan_30 10000000.00 cop[tikv] table:part keep order:false - └─TableReader_29(Probe) 6286493.79 root data:Selection_28 - └─Selection_28 6286493.79 cop[tikv] eq(tpch.lineitem.l_shipinstruct, "DELIVER IN PERSON"), in(tpch.lineitem.l_shipmode, "AIR", "AIR REG"), or(and(ge(tpch.lineitem.l_quantity, 4), le(tpch.lineitem.l_quantity, 14)), or(and(ge(tpch.lineitem.l_quantity, 18), le(tpch.lineitem.l_quantity, 28)), and(ge(tpch.lineitem.l_quantity, 29), le(tpch.lineitem.l_quantity, 39)))) - └─TableFullScan_27 300005811.00 cop[tikv] table:lineitem keep order:false +StreamAgg_10 1.00 root funcs:sum(Column#28)->Column#27 +└─Projection_43 733887.82 root mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#28 + └─HashJoin_42 733887.82 root inner join, equal:[eq(tpch.part.p_partkey, tpch.lineitem.l_partkey)], other cond:or(and(and(eq(tpch.part.p_brand, "Brand#52"), in(tpch.part.p_container, "SM CASE", "SM BOX", "SM PACK", "SM PKG")), and(ge(tpch.lineitem.l_quantity, 4), and(le(tpch.lineitem.l_quantity, 14), le(tpch.part.p_size, 5)))), or(and(and(eq(tpch.part.p_brand, "Brand#11"), in(tpch.part.p_container, "MED BAG", "MED BOX", "MED PKG", "MED PACK")), and(ge(tpch.lineitem.l_quantity, 18), and(le(tpch.lineitem.l_quantity, 28), le(tpch.part.p_size, 10)))), and(and(eq(tpch.part.p_brand, "Brand#51"), in(tpch.part.p_container, "LG CASE", "LG BOX", "LG PACK", "LG PKG")), and(ge(tpch.lineitem.l_quantity, 29), and(le(tpch.lineitem.l_quantity, 39), le(tpch.part.p_size, 15)))))) + ├─TableReader_29(Build) 24323.12 root data:Selection_28 + │ └─Selection_28 24323.12 cop[tikv] ge(tpch.part.p_size, 1), or(and(eq(tpch.part.p_brand, "Brand#52"), and(in(tpch.part.p_container, "SM CASE", "SM BOX", "SM PACK", "SM PKG"), le(tpch.part.p_size, 5))), or(and(eq(tpch.part.p_brand, "Brand#11"), and(in(tpch.part.p_container, "MED BAG", "MED BOX", "MED PKG", "MED PACK"), le(tpch.part.p_size, 10))), and(eq(tpch.part.p_brand, "Brand#51"), and(in(tpch.part.p_container, "LG CASE", "LG BOX", "LG PACK", "LG PKG"), le(tpch.part.p_size, 15))))) + │ └─TableFullScan_27 10000000.00 cop[tikv] table:part keep order:false + └─TableReader_26(Probe) 6286493.79 root data:Selection_25 + └─Selection_25 6286493.79 cop[tikv] eq(tpch.lineitem.l_shipinstruct, "DELIVER IN PERSON"), in(tpch.lineitem.l_shipmode, "AIR", "AIR REG"), or(and(ge(tpch.lineitem.l_quantity, 4), le(tpch.lineitem.l_quantity, 14)), or(and(ge(tpch.lineitem.l_quantity, 18), le(tpch.lineitem.l_quantity, 28)), and(ge(tpch.lineitem.l_quantity, 29), le(tpch.lineitem.l_quantity, 39)))) + └─TableFullScan_24 300005811.00 cop[tikv] table:lineitem keep order:false /* Q20 Potential Part Promotion Query The Potential Part Promotion Query identifies suppliers in a particular nation having selected parts that may be candidates @@ -1151,21 +1151,21 @@ Sort_28 20000.00 root tpch.supplier.s_name │ │ └─TableFullScan_48 25.00 cop[tikv] table:nation keep order:false │ └─TableReader_47(Probe) 500000.00 root data:TableFullScan_46 │ └─TableFullScan_46 500000.00 cop[tikv] table:supplier keep order:false - └─HashAgg_53(Probe) 257492.04 root group by:tpch.partsupp.ps_suppkey, funcs:firstrow(tpch.partsupp.ps_suppkey)->tpch.partsupp.ps_suppkey - └─Projection_54 257492.04 root tpch.partsupp.ps_suppkey - └─Selection_55 257492.04 root gt(cast(tpch.partsupp.ps_availqty), mul(0.5, Column#44)) - └─HashAgg_58 321865.05 root group by:tpch.partsupp.ps_partkey, tpch.partsupp.ps_suppkey, funcs:firstrow(tpch.partsupp.ps_suppkey)->tpch.partsupp.ps_suppkey, funcs:firstrow(tpch.partsupp.ps_availqty)->tpch.partsupp.ps_availqty, funcs:sum(tpch.lineitem.l_quantity)->Column#44 - └─HashJoin_62 9711455.06 root left outer join, equal:[eq(tpch.partsupp.ps_partkey, tpch.lineitem.l_partkey) eq(tpch.partsupp.ps_suppkey, tpch.lineitem.l_suppkey)] - ├─IndexHashJoin_69(Build) 321865.05 root inner join, inner:IndexLookUp_66, outer key:tpch.part.p_partkey, inner key:tpch.partsupp.ps_partkey, equal cond:eq(tpch.part.p_partkey, tpch.partsupp.ps_partkey) - │ ├─TableReader_98(Build) 80007.93 root data:Selection_97 - │ │ └─Selection_97 80007.93 cop[tikv] like(tpch.part.p_name, "green%", 92) - │ │ └─TableFullScan_96 10000000.00 cop[tikv] table:part keep order:false - │ └─IndexLookUp_66(Probe) 4.02 root - │ ├─IndexRangeScan_64(Build) 4.02 cop[tikv] table:partsupp, index:PRIMARY(PS_PARTKEY, PS_SUPPKEY) range: decided by [eq(tpch.partsupp.ps_partkey, tpch.part.p_partkey)], keep order:false - │ └─TableRowIDScan_65(Probe) 4.02 cop[tikv] table:partsupp keep order:false - └─TableReader_103(Probe) 44189356.65 root data:Selection_102 - └─Selection_102 44189356.65 cop[tikv] ge(tpch.lineitem.l_shipdate, 1993-01-01 00:00:00.000000), lt(tpch.lineitem.l_shipdate, 1994-01-01) - └─TableFullScan_101 300005811.00 cop[tikv] table:lineitem keep order:false + └─HashAgg_51(Probe) 257492.04 root group by:tpch.partsupp.ps_suppkey, funcs:firstrow(tpch.partsupp.ps_suppkey)->tpch.partsupp.ps_suppkey + └─Projection_52 257492.04 root tpch.partsupp.ps_suppkey + └─Selection_53 257492.04 root gt(cast(tpch.partsupp.ps_availqty), mul(0.5, Column#44)) + └─HashAgg_54 321865.05 root group by:tpch.partsupp.ps_partkey, tpch.partsupp.ps_suppkey, funcs:firstrow(tpch.partsupp.ps_suppkey)->tpch.partsupp.ps_suppkey, funcs:firstrow(tpch.partsupp.ps_availqty)->tpch.partsupp.ps_availqty, funcs:sum(tpch.lineitem.l_quantity)->Column#44 + └─HashJoin_57 9711455.06 root left outer join, equal:[eq(tpch.partsupp.ps_partkey, tpch.lineitem.l_partkey) eq(tpch.partsupp.ps_suppkey, tpch.lineitem.l_suppkey)] + ├─IndexHashJoin_64(Build) 321865.05 root inner join, inner:IndexLookUp_61, outer key:tpch.part.p_partkey, inner key:tpch.partsupp.ps_partkey, equal cond:eq(tpch.part.p_partkey, tpch.partsupp.ps_partkey) + │ ├─TableReader_93(Build) 80007.93 root data:Selection_92 + │ │ └─Selection_92 80007.93 cop[tikv] like(tpch.part.p_name, "green%", 92) + │ │ └─TableFullScan_91 10000000.00 cop[tikv] table:part keep order:false + │ └─IndexLookUp_61(Probe) 4.02 root + │ ├─IndexRangeScan_59(Build) 4.02 cop[tikv] table:partsupp, index:PRIMARY(PS_PARTKEY, PS_SUPPKEY) range: decided by [eq(tpch.partsupp.ps_partkey, tpch.part.p_partkey)], keep order:false + │ └─TableRowIDScan_60(Probe) 4.02 cop[tikv] table:partsupp keep order:false + └─TableReader_98(Probe) 44189356.65 root data:Selection_97 + └─Selection_97 44189356.65 cop[tikv] ge(tpch.lineitem.l_shipdate, 1993-01-01 00:00:00.000000), lt(tpch.lineitem.l_shipdate, 1994-01-01) + └─TableFullScan_96 300005811.00 cop[tikv] table:lineitem keep order:false /* Q21 Suppliers Who Kept Orders Waiting Query This query identifies certain suppliers who were not able to ship required parts in a timely manner. @@ -1217,30 +1217,30 @@ limit 100; id estRows task access object operator info Projection_25 100.00 root tpch.supplier.s_name, Column#72 └─TopN_28 100.00 root Column#72:desc, tpch.supplier.s_name, offset:0, count:100 - └─HashAgg_34 12800.00 root group by:tpch.supplier.s_name, funcs:count(1)->Column#72, funcs:firstrow(tpch.supplier.s_name)->tpch.supplier.s_name - └─IndexHashJoin_42 7828961.66 root anti semi join, inner:IndexLookUp_39, outer key:tpch.lineitem.l_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey), other cond:ne(tpch.lineitem.l_suppkey, tpch.lineitem.l_suppkey) - ├─IndexHashJoin_82(Build) 9786202.08 root semi join, inner:IndexLookUp_79, outer key:tpch.lineitem.l_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey), other cond:ne(tpch.lineitem.l_suppkey, tpch.lineitem.l_suppkey), ne(tpch.lineitem.l_suppkey, tpch.supplier.s_suppkey) - │ ├─IndexJoin_97(Build) 12232752.60 root inner join, inner:TableReader_93, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey) - │ │ ├─HashJoin_105(Build) 12232752.60 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] - │ │ │ ├─HashJoin_118(Build) 20000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ │ │ │ ├─TableReader_123(Build) 1.00 root data:Selection_122 - │ │ │ │ │ └─Selection_122 1.00 cop[tikv] eq(tpch.nation.n_name, "EGYPT") - │ │ │ │ │ └─TableFullScan_121 25.00 cop[tikv] table:nation keep order:false - │ │ │ │ └─TableReader_120(Probe) 500000.00 root data:TableFullScan_119 - │ │ │ │ └─TableFullScan_119 500000.00 cop[tikv] table:supplier keep order:false - │ │ │ └─TableReader_126(Probe) 240004648.80 root data:Selection_125 - │ │ │ └─Selection_125 240004648.80 cop[tikv] gt(tpch.lineitem.l_receiptdate, tpch.lineitem.l_commitdate) - │ │ │ └─TableFullScan_124 300005811.00 cop[tikv] table:l1 keep order:false - │ │ └─TableReader_93(Probe) 0.49 root data:Selection_92 - │ │ └─Selection_92 0.49 cop[tikv] eq(tpch.orders.o_orderstatus, "F") - │ │ └─TableRangeScan_91 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:false - │ └─IndexLookUp_79(Probe) 4.05 root - │ ├─IndexRangeScan_77(Build) 4.05 cop[tikv] table:l2, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey)], keep order:false - │ └─TableRowIDScan_78(Probe) 4.05 cop[tikv] table:l2 keep order:false - └─IndexLookUp_39(Probe) 4.05 root - ├─IndexRangeScan_36(Build) 5.06 cop[tikv] table:l3, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey)], keep order:false - └─Selection_38(Probe) 4.05 cop[tikv] gt(tpch.lineitem.l_receiptdate, tpch.lineitem.l_commitdate) - └─TableRowIDScan_37 5.06 cop[tikv] table:l3 keep order:false + └─HashAgg_32 12800.00 root group by:tpch.supplier.s_name, funcs:count(1)->Column#72, funcs:firstrow(tpch.supplier.s_name)->tpch.supplier.s_name + └─IndexHashJoin_40 7828961.66 root anti semi join, inner:IndexLookUp_37, outer key:tpch.lineitem.l_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey), other cond:ne(tpch.lineitem.l_suppkey, tpch.lineitem.l_suppkey) + ├─IndexHashJoin_80(Build) 9786202.08 root semi join, inner:IndexLookUp_77, outer key:tpch.lineitem.l_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey), other cond:ne(tpch.lineitem.l_suppkey, tpch.lineitem.l_suppkey), ne(tpch.lineitem.l_suppkey, tpch.supplier.s_suppkey) + │ ├─IndexJoin_95(Build) 12232752.60 root inner join, inner:TableReader_91, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey) + │ │ ├─HashJoin_103(Build) 12232752.60 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] + │ │ │ ├─HashJoin_116(Build) 20000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ │ │ │ ├─TableReader_121(Build) 1.00 root data:Selection_120 + │ │ │ │ │ └─Selection_120 1.00 cop[tikv] eq(tpch.nation.n_name, "EGYPT") + │ │ │ │ │ └─TableFullScan_119 25.00 cop[tikv] table:nation keep order:false + │ │ │ │ └─TableReader_118(Probe) 500000.00 root data:TableFullScan_117 + │ │ │ │ └─TableFullScan_117 500000.00 cop[tikv] table:supplier keep order:false + │ │ │ └─TableReader_124(Probe) 240004648.80 root data:Selection_123 + │ │ │ └─Selection_123 240004648.80 cop[tikv] gt(tpch.lineitem.l_receiptdate, tpch.lineitem.l_commitdate) + │ │ │ └─TableFullScan_122 300005811.00 cop[tikv] table:l1 keep order:false + │ │ └─TableReader_91(Probe) 0.49 root data:Selection_90 + │ │ └─Selection_90 0.49 cop[tikv] eq(tpch.orders.o_orderstatus, "F") + │ │ └─TableRangeScan_89 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:false + │ └─IndexLookUp_77(Probe) 4.05 root + │ ├─IndexRangeScan_75(Build) 4.05 cop[tikv] table:l2, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey)], keep order:false + │ └─TableRowIDScan_76(Probe) 4.05 cop[tikv] table:l2 keep order:false + └─IndexLookUp_37(Probe) 4.05 root + ├─IndexRangeScan_34(Build) 5.06 cop[tikv] table:l3, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey)], keep order:false + └─Selection_36(Probe) 4.05 cop[tikv] gt(tpch.lineitem.l_receiptdate, tpch.lineitem.l_commitdate) + └─TableRowIDScan_35 5.06 cop[tikv] table:l3 keep order:false /* Q22 Global Sales Opportunity Query The Global Sales Opportunity Query identifies geographies where there are customers who may be likely to make a @@ -1290,12 +1290,12 @@ cntrycode; id estRows task access object operator info Sort_39 1.00 root Column#27 └─Projection_41 1.00 root Column#27, Column#28, Column#29 - └─HashAgg_44 1.00 root group by:Column#27, funcs:count(1)->Column#28, funcs:sum(tpch.customer.c_acctbal)->Column#29, funcs:firstrow(Column#27)->Column#27 - └─Projection_45 0.00 root substring(tpch.customer.c_phone, 1, 2)->Column#27, tpch.customer.c_acctbal - └─HashJoin_46 0.00 root anti semi join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] - ├─TableReader_52(Build) 75000000.00 root data:TableFullScan_51 - │ └─TableFullScan_51 75000000.00 cop[tikv] table:orders keep order:false - └─Selection_50(Probe) 0.00 root in(substring(tpch.customer.c_phone, 1, 2), "20", "40", "22", "30", "39", "42", "21") - └─TableReader_49 0.00 root data:Selection_48 - └─Selection_48 0.00 cop[tikv] gt(tpch.customer.c_acctbal, NULL) - └─TableFullScan_47 7500000.00 cop[tikv] table:customer keep order:false + └─HashAgg_42 1.00 root group by:Column#27, funcs:count(1)->Column#28, funcs:sum(tpch.customer.c_acctbal)->Column#29, funcs:firstrow(Column#27)->Column#27 + └─Projection_43 0.00 root substring(tpch.customer.c_phone, 1, 2)->Column#27, tpch.customer.c_acctbal + └─HashJoin_44 0.00 root anti semi join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] + ├─TableReader_50(Build) 75000000.00 root data:TableFullScan_49 + │ └─TableFullScan_49 75000000.00 cop[tikv] table:orders keep order:false + └─Selection_48(Probe) 0.00 root in(substring(tpch.customer.c_phone, 1, 2), "20", "40", "22", "30", "39", "42", "21") + └─TableReader_47 0.00 root data:Selection_46 + └─Selection_46 0.00 cop[tikv] gt(tpch.customer.c_acctbal, NULL) + └─TableFullScan_45 7500000.00 cop[tikv] table:customer keep order:false diff --git a/executor/executor_test.go b/executor/executor_test.go index 1d825e71037db..610e374e22569 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6442,7 +6442,7 @@ func (s *testSuiteP2) TestApplyCache(c *C) { tk.MustExec("insert into t values (1),(1),(1),(1),(1),(1),(1),(1),(1);") tk.MustExec("analyze table t;") result := tk.MustQuery("explain analyze SELECT count(1) FROM (SELECT (SELECT min(a) FROM t as t2 WHERE t2.a > t1.a) AS a from t as t1) t;") - c.Assert(result.Rows()[1][0], Equals, "└─Apply_41") + c.Assert(result.Rows()[1][0], Equals, "└─Apply_38") var ( ind int flag bool @@ -6462,7 +6462,7 @@ func (s *testSuiteP2) TestApplyCache(c *C) { tk.MustExec("insert into t values (1),(2),(3),(4),(5),(6),(7),(8),(9);") tk.MustExec("analyze table t;") result = tk.MustQuery("explain analyze SELECT count(1) FROM (SELECT (SELECT min(a) FROM t as t2 WHERE t2.a > t1.a) AS a from t as t1) t;") - c.Assert(result.Rows()[1][0], Equals, "└─Apply_41") + c.Assert(result.Rows()[1][0], Equals, "└─Apply_38") flag = false value = (result.Rows()[1][5]).(string) for ind = 0; ind < len(value)-5; ind++ { diff --git a/executor/join_test.go b/executor/join_test.go index e0a0798a02960..9fd3016640b2e 100644 --- a/executor/join_test.go +++ b/executor/join_test.go @@ -1308,41 +1308,41 @@ func (s *testSuiteJoin1) TestIndexLookupJoin(c *C) { tk.MustExec("analyze table s;") tk.MustQuery("desc select /*+ TIDB_INLJ(s) */ count(*) from t join s use index(idx) on s.a = t.a and s.b < t.b").Check(testkit.Rows( - "HashAgg_9 1.00 root funcs:count(1)->Column#6", - "└─IndexJoin_16 64.00 root inner join, inner:IndexReader_15, outer key:test.t.a, inner key:test.s.a, equal cond:eq(test.t.a, test.s.a), other cond:lt(test.s.b, test.t.b)", - " ├─TableReader_26(Build) 64.00 root data:Selection_25", - " │ └─Selection_25 64.00 cop[tikv] not(isnull(test.t.b))", - " │ └─TableFullScan_24 64.00 cop[tikv] table:t keep order:false", - " └─IndexReader_15(Probe) 1.00 root index:Selection_14", - " └─Selection_14 1.00 cop[tikv] not(isnull(test.s.a)), not(isnull(test.s.b))", - " └─IndexRangeScan_13 1.00 cop[tikv] table:s, index:idx(a, b) range: decided by [eq(test.s.a, test.t.a) lt(test.s.b, test.t.b)], keep order:false")) + "HashAgg_7 1.00 root funcs:count(1)->Column#6", + "└─IndexJoin_13 64.00 root inner join, inner:IndexReader_12, outer key:test.t.a, inner key:test.s.a, equal cond:eq(test.t.a, test.s.a), other cond:lt(test.s.b, test.t.b)", + " ├─TableReader_23(Build) 64.00 root data:Selection_22", + " │ └─Selection_22 64.00 cop[tikv] not(isnull(test.t.b))", + " │ └─TableFullScan_21 64.00 cop[tikv] table:t keep order:false", + " └─IndexReader_12(Probe) 1.00 root index:Selection_11", + " └─Selection_11 1.00 cop[tikv] not(isnull(test.s.a)), not(isnull(test.s.b))", + " └─IndexRangeScan_10 1.00 cop[tikv] table:s, index:idx(a, b) range: decided by [eq(test.s.a, test.t.a) lt(test.s.b, test.t.b)], keep order:false")) tk.MustQuery("select /*+ TIDB_INLJ(s) */ count(*) from t join s use index(idx) on s.a = t.a and s.b < t.b").Check(testkit.Rows("64")) tk.MustExec("set @@tidb_index_lookup_join_concurrency=1;") tk.MustQuery("select /*+ TIDB_INLJ(s) */ count(*) from t join s use index(idx) on s.a = t.a and s.b < t.b").Check(testkit.Rows("64")) tk.MustQuery("desc select /*+ INL_MERGE_JOIN(s) */ count(*) from t join s use index(idx) on s.a = t.a and s.b < t.b").Check(testkit.Rows( - "HashAgg_9 1.00 root funcs:count(1)->Column#6", - "└─IndexMergeJoin_23 64.00 root inner join, inner:IndexReader_21, outer key:test.t.a, inner key:test.s.a, other cond:lt(test.s.b, test.t.b)", - " ├─TableReader_26(Build) 64.00 root data:Selection_25", - " │ └─Selection_25 64.00 cop[tikv] not(isnull(test.t.b))", - " │ └─TableFullScan_24 64.00 cop[tikv] table:t keep order:false", - " └─IndexReader_21(Probe) 1.00 root index:Selection_20", - " └─Selection_20 1.00 cop[tikv] not(isnull(test.s.a)), not(isnull(test.s.b))", - " └─IndexRangeScan_19 1.00 cop[tikv] table:s, index:idx(a, b) range: decided by [eq(test.s.a, test.t.a) lt(test.s.b, test.t.b)], keep order:true", + "HashAgg_7 1.00 root funcs:count(1)->Column#6", + "└─IndexMergeJoin_20 64.00 root inner join, inner:IndexReader_18, outer key:test.t.a, inner key:test.s.a, other cond:lt(test.s.b, test.t.b)", + " ├─TableReader_23(Build) 64.00 root data:Selection_22", + " │ └─Selection_22 64.00 cop[tikv] not(isnull(test.t.b))", + " │ └─TableFullScan_21 64.00 cop[tikv] table:t keep order:false", + " └─IndexReader_18(Probe) 1.00 root index:Selection_17", + " └─Selection_17 1.00 cop[tikv] not(isnull(test.s.a)), not(isnull(test.s.b))", + " └─IndexRangeScan_16 1.00 cop[tikv] table:s, index:idx(a, b) range: decided by [eq(test.s.a, test.t.a) lt(test.s.b, test.t.b)], keep order:true", )) tk.MustQuery("select /*+ INL_MERGE_JOIN(s) */ count(*) from t join s use index(idx) on s.a = t.a and s.b < t.b").Check(testkit.Rows("64")) tk.MustExec("set @@tidb_index_lookup_join_concurrency=1;") tk.MustQuery("select /*+ INL_MERGE_JOIN(s) */ count(*) from t join s use index(idx) on s.a = t.a and s.b < t.b").Check(testkit.Rows("64")) tk.MustQuery("desc select /*+ INL_HASH_JOIN(s) */ count(*) from t join s use index(idx) on s.a = t.a and s.b < t.b").Check(testkit.Rows( - "HashAgg_9 1.00 root funcs:count(1)->Column#6", - "└─IndexHashJoin_18 64.00 root inner join, inner:IndexReader_15, outer key:test.t.a, inner key:test.s.a, equal cond:eq(test.t.a, test.s.a), other cond:lt(test.s.b, test.t.b)", - " ├─TableReader_26(Build) 64.00 root data:Selection_25", - " │ └─Selection_25 64.00 cop[tikv] not(isnull(test.t.b))", - " │ └─TableFullScan_24 64.00 cop[tikv] table:t keep order:false", - " └─IndexReader_15(Probe) 1.00 root index:Selection_14", - " └─Selection_14 1.00 cop[tikv] not(isnull(test.s.a)), not(isnull(test.s.b))", - " └─IndexRangeScan_13 1.00 cop[tikv] table:s, index:idx(a, b) range: decided by [eq(test.s.a, test.t.a) lt(test.s.b, test.t.b)], keep order:false", + "HashAgg_7 1.00 root funcs:count(1)->Column#6", + "└─IndexHashJoin_15 64.00 root inner join, inner:IndexReader_12, outer key:test.t.a, inner key:test.s.a, equal cond:eq(test.t.a, test.s.a), other cond:lt(test.s.b, test.t.b)", + " ├─TableReader_23(Build) 64.00 root data:Selection_22", + " │ └─Selection_22 64.00 cop[tikv] not(isnull(test.t.b))", + " │ └─TableFullScan_21 64.00 cop[tikv] table:t keep order:false", + " └─IndexReader_12(Probe) 1.00 root index:Selection_11", + " └─Selection_11 1.00 cop[tikv] not(isnull(test.s.a)), not(isnull(test.s.b))", + " └─IndexRangeScan_10 1.00 cop[tikv] table:s, index:idx(a, b) range: decided by [eq(test.s.a, test.t.a) lt(test.s.b, test.t.b)], keep order:false", )) tk.MustQuery("select /*+ INL_HASH_JOIN(s) */ count(*) from t join s use index(idx) on s.a = t.a and s.b < t.b").Check(testkit.Rows("64")) tk.MustExec("set @@tidb_index_lookup_join_concurrency=1;") @@ -1428,15 +1428,15 @@ func (s *testSuiteJoinSerial) TestIndexNestedLoopHashJoin(c *C) { " └─TableRowIDScan_13 3.00 cop[tikv] table:l2 keep order:false")) tk.MustQuery("select * from t l1 where exists ( select * from t l2 where l2.l_orderkey = l1.l_orderkey and l2.l_suppkey <> l1.l_suppkey )order by `l_orderkey`,`l_linenumber`;").Check(testkit.Rows("0 0 0 0", "0 1 0 1", "0 2 0 0", "1 0 1 0", "1 1 1 1", "1 2 1 0", "2 0 0 0", "2 1 0 1", "2 2 0 0")) tk.MustQuery("desc select count(*) from t l1 where exists ( select * from t l2 where l2.l_orderkey = l1.l_orderkey and l2.l_suppkey <> l1.l_suppkey );").Check(testkit.Rows( - "StreamAgg_14 1.00 root funcs:count(1)->Column#11", - "└─IndexHashJoin_29 7.20 root semi join, inner:IndexLookUp_27, outer key:test.t.l_orderkey, inner key:test.t.l_orderkey, equal cond:eq(test.t.l_orderkey, test.t.l_orderkey), other cond:ne(test.t.l_suppkey, test.t.l_suppkey)", - " ├─TableReader_23(Build) 9.00 root data:Selection_22", - " │ └─Selection_22 9.00 cop[tikv] not(isnull(test.t.l_suppkey))", - " │ └─TableFullScan_21 9.00 cop[tikv] table:l1 keep order:false", - " └─IndexLookUp_27(Probe) 3.00 root ", - " ├─IndexRangeScan_24(Build) 3.00 cop[tikv] table:l2, index:PRIMARY(l_orderkey, l_linenumber) range: decided by [eq(test.t.l_orderkey, test.t.l_orderkey)], keep order:false", - " └─Selection_26(Probe) 3.00 cop[tikv] not(isnull(test.t.l_suppkey))", - " └─TableRowIDScan_25 3.00 cop[tikv] table:l2 keep order:false")) + "StreamAgg_11 1.00 root funcs:count(1)->Column#11", + "└─IndexHashJoin_26 7.20 root semi join, inner:IndexLookUp_24, outer key:test.t.l_orderkey, inner key:test.t.l_orderkey, equal cond:eq(test.t.l_orderkey, test.t.l_orderkey), other cond:ne(test.t.l_suppkey, test.t.l_suppkey)", + " ├─TableReader_20(Build) 9.00 root data:Selection_19", + " │ └─Selection_19 9.00 cop[tikv] not(isnull(test.t.l_suppkey))", + " │ └─TableFullScan_18 9.00 cop[tikv] table:l1 keep order:false", + " └─IndexLookUp_24(Probe) 3.00 root ", + " ├─IndexRangeScan_21(Build) 3.00 cop[tikv] table:l2, index:PRIMARY(l_orderkey, l_linenumber) range: decided by [eq(test.t.l_orderkey, test.t.l_orderkey)], keep order:false", + " └─Selection_23(Probe) 3.00 cop[tikv] not(isnull(test.t.l_suppkey))", + " └─TableRowIDScan_22 3.00 cop[tikv] table:l2 keep order:false")) tk.MustQuery("select count(*) from t l1 where exists ( select * from t l2 where l2.l_orderkey = l1.l_orderkey and l2.l_suppkey <> l1.l_suppkey );").Check(testkit.Rows("9")) tk.MustExec("DROP TABLE IF EXISTS t, s") diff --git a/executor/testdata/agg_suite_out.json b/executor/testdata/agg_suite_out.json index 441920b1756f7..c427dda6316ef 100644 --- a/executor/testdata/agg_suite_out.json +++ b/executor/testdata/agg_suite_out.json @@ -53,28 +53,28 @@ "└─Apply_30 1.00 root CARTESIAN left outer join", " ├─Apply_32(Build) 1.00 root CARTESIAN left outer join", " │ ├─Apply_34(Build) 1.00 root CARTESIAN left outer join", - " │ │ ├─HashAgg_39(Build) 1.00 root funcs:sum(Column#22)->Column#9, funcs:firstrow(Column#23)->test.test.a", - " │ │ │ └─TableReader_40 1.00 root data:HashAgg_35", - " │ │ │ └─HashAgg_35 1.00 cop[tikv] funcs:sum(test.test.a)->Column#22, funcs:firstrow(test.test.a)->Column#23", - " │ │ │ └─TableFullScan_38 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo", - " │ │ └─Projection_43(Probe) 1.00 root ->Column#10", - " │ │ └─Limit_44 1.00 root offset:0, count:1", - " │ │ └─TableReader_50 1.00 root data:Limit_49", - " │ │ └─Limit_49 1.00 cop[tikv] offset:0, count:1", - " │ │ └─Selection_48 1.00 cop[tikv] eq(test.test.a, test.test.a)", - " │ │ └─TableFullScan_47 1000.00 cop[tikv] table:test keep order:false, stats:pseudo", - " │ └─Projection_54(Probe) 1.00 root ->Column#11", - " │ └─Limit_55 1.00 root offset:0, count:1", - " │ └─TableReader_61 1.00 root data:Limit_60", - " │ └─Limit_60 1.00 cop[tikv] offset:0, count:1", - " │ └─Selection_59 1.00 cop[tikv] eq(test.test.a, test.test.a)", - " │ └─TableFullScan_58 1000.00 cop[tikv] table:test keep order:false, stats:pseudo", - " └─Projection_65(Probe) 1.00 root ->Column#12", - " └─Limit_66 1.00 root offset:0, count:1", - " └─TableReader_72 1.00 root data:Limit_71", - " └─Limit_71 1.00 cop[tikv] offset:0, count:1", - " └─Selection_70 1.00 cop[tikv] eq(test.test.a, test.test.a)", - " └─TableFullScan_69 1000.00 cop[tikv] table:test keep order:false, stats:pseudo" + " │ │ ├─HashAgg_35(Build) 1.00 root funcs:sum(Column#22)->Column#9, funcs:firstrow(Column#23)->test.test.a", + " │ │ │ └─Projection_71 10000.00 root cast(test.test.a, decimal(32,0) BINARY)->Column#22, test.test.a", + " │ │ │ └─TableReader_37 10000.00 root data:TableFullScan_36", + " │ │ │ └─TableFullScan_36 10000.00 cop[tikv] table:tt keep order:false, stats:pseudo", + " │ │ └─Projection_38(Probe) 1.00 root ->Column#10", + " │ │ └─Limit_39 1.00 root offset:0, count:1", + " │ │ └─TableReader_45 1.00 root data:Limit_44", + " │ │ └─Limit_44 1.00 cop[tikv] offset:0, count:1", + " │ │ └─Selection_43 1.00 cop[tikv] eq(test.test.a, test.test.a)", + " │ │ └─TableFullScan_42 1000.00 cop[tikv] table:test keep order:false, stats:pseudo", + " │ └─Projection_49(Probe) 1.00 root ->Column#11", + " │ └─Limit_50 1.00 root offset:0, count:1", + " │ └─TableReader_56 1.00 root data:Limit_55", + " │ └─Limit_55 1.00 cop[tikv] offset:0, count:1", + " │ └─Selection_54 1.00 cop[tikv] eq(test.test.a, test.test.a)", + " │ └─TableFullScan_53 1000.00 cop[tikv] table:test keep order:false, stats:pseudo", + " └─Projection_60(Probe) 1.00 root ->Column#12", + " └─Limit_61 1.00 root offset:0, count:1", + " └─TableReader_67 1.00 root data:Limit_66", + " └─Limit_66 1.00 cop[tikv] offset:0, count:1", + " └─Selection_65 1.00 cop[tikv] eq(test.test.a, test.test.a)", + " └─TableFullScan_64 1000.00 cop[tikv] table:test keep order:false, stats:pseudo" ] ] } diff --git a/executor/testdata/executor_suite_out.json b/executor/testdata/executor_suite_out.json index f65bea0722da9..e9185af59cfe2 100644 --- a/executor/testdata/executor_suite_out.json +++ b/executor/testdata/executor_suite_out.json @@ -5,12 +5,12 @@ { "SQL": "select * from t3 union select * from t1", "Plan": [ - "HashAgg_11 16000.00 root group by:Column#5, funcs:firstrow(Column#5)->Column#5", - "└─Union_12 20000.00 root ", - " ├─TableReader_15 10000.00 root data:TableFullScan_14", - " │ └─TableFullScan_14 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo", - " └─TableReader_18 10000.00 root data:TableFullScan_17", - " └─TableFullScan_17 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + "HashAgg_9 16000.00 root group by:Column#5, funcs:firstrow(Column#5)->Column#5", + "└─Union_10 20000.00 root ", + " ├─TableReader_13 10000.00 root data:TableFullScan_12", + " │ └─TableFullScan_12 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo", + " └─TableReader_16 10000.00 root data:TableFullScan_15", + " └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" ], "Res": [ "1", @@ -100,14 +100,14 @@ "SQL": "select * from t1 union all select * from t2 except select * from t3", "Plan": [ "HashJoin_12 12800.00 root anti semi join, equal:[nulleq(Column#7, test.t3.a)]", - "├─TableReader_25(Build) 10000.00 root data:TableFullScan_24", - "│ └─TableFullScan_24 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo", - "└─HashAgg_15(Probe) 16000.00 root group by:Column#7, funcs:firstrow(Column#7)->Column#7", - " └─Union_16 20000.00 root ", - " ├─TableReader_19 10000.00 root data:TableFullScan_18", - " │ └─TableFullScan_18 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", - " └─TableReader_22 10000.00 root data:TableFullScan_21", - " └─TableFullScan_21 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + "├─TableReader_23(Build) 10000.00 root data:TableFullScan_22", + "│ └─TableFullScan_22 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo", + "└─HashAgg_13(Probe) 16000.00 root group by:Column#7, funcs:firstrow(Column#7)->Column#7", + " └─Union_14 20000.00 root ", + " ├─TableReader_17 10000.00 root data:TableFullScan_16", + " │ └─TableFullScan_16 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + " └─TableReader_20 10000.00 root data:TableFullScan_19", + " └─TableFullScan_19 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" ], "Res": [ "1", @@ -220,15 +220,15 @@ { "SQL": "select * from t1 union (select * from t2 union all select * from t3)", "Plan": [ - "HashAgg_16 24000.00 root group by:Column#8, funcs:firstrow(Column#8)->Column#8", - "└─Union_17 30000.00 root ", - " ├─TableReader_20 10000.00 root data:TableFullScan_19", - " │ └─TableFullScan_19 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", - " └─Union_22 20000.00 root ", - " ├─TableReader_25 10000.00 root data:TableFullScan_24", - " │ └─TableFullScan_24 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", - " └─TableReader_28 10000.00 root data:TableFullScan_27", - " └─TableFullScan_27 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" + "HashAgg_14 24000.00 root group by:Column#8, funcs:firstrow(Column#8)->Column#8", + "└─Union_15 30000.00 root ", + " ├─TableReader_18 10000.00 root data:TableFullScan_17", + " │ └─TableFullScan_17 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + " └─Union_20 20000.00 root ", + " ├─TableReader_23 10000.00 root data:TableFullScan_22", + " │ └─TableFullScan_22 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_26 10000.00 root data:TableFullScan_25", + " └─TableFullScan_25 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo" ], "Res": [ "1", @@ -241,12 +241,12 @@ "SQL": "(select * from t1 intersect select * from t1) except (select * from t2 union select * from t3)", "Plan": [ "HashJoin_18 5120.00 root anti semi join, equal:[nulleq(test.t1.a, Column#9)]", - "├─HashAgg_33(Build) 16000.00 root group by:Column#9, funcs:firstrow(Column#9)->Column#9", - "│ └─Union_34 20000.00 root ", - "│ ├─TableReader_37 10000.00 root data:TableFullScan_36", - "│ │ └─TableFullScan_36 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", - "│ └─TableReader_40 10000.00 root data:TableFullScan_39", - "│ └─TableFullScan_39 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo", + "├─HashAgg_31(Build) 16000.00 root group by:Column#9, funcs:firstrow(Column#9)->Column#9", + "│ └─Union_32 20000.00 root ", + "│ ├─TableReader_35 10000.00 root data:TableFullScan_34", + "│ │ └─TableFullScan_34 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + "│ └─TableReader_38 10000.00 root data:TableFullScan_37", + "│ └─TableFullScan_37 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo", "└─HashJoin_20(Probe) 6400.00 root semi join, equal:[nulleq(test.t1.a, test.t1.a)]", " ├─TableReader_30(Build) 10000.00 root data:TableFullScan_29", " │ └─TableFullScan_29 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", @@ -264,13 +264,13 @@ { "SQL": "select * from t3 union select * from t1", "Plan": [ - "HashAgg_11 16000.00 root group by:Column#7, Column#8, funcs:firstrow(Column#7)->Column#7, funcs:firstrow(Column#8)->Column#8", - "└─Union_12 20000.00 root ", - " ├─TableReader_15 10000.00 root data:TableFullScan_14", - " │ └─TableFullScan_14 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo", - " └─Projection_16 10000.00 root test.t1.a, cast(test.t1.b, decimal(30,10) BINARY)->Column#8", - " └─TableReader_18 10000.00 root data:TableFullScan_17", - " └─TableFullScan_17 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + "HashAgg_9 16000.00 root group by:Column#7, Column#8, funcs:firstrow(Column#7)->Column#7, funcs:firstrow(Column#8)->Column#8", + "└─Union_10 20000.00 root ", + " ├─TableReader_13 10000.00 root data:TableFullScan_12", + " │ └─TableFullScan_12 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo", + " └─Projection_14 10000.00 root test.t1.a, cast(test.t1.b, decimal(30,10) BINARY)->Column#8", + " └─TableReader_16 10000.00 root data:TableFullScan_15", + " └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" ], "Res": [ "1 1.0000000000", @@ -366,15 +366,15 @@ "SQL": "select * from t1 union all select * from t2 except select * from t3", "Plan": [ "HashJoin_12 12800.00 root anti semi join, equal:[nulleq(Column#10, test.t3.a)], other cond:nulleq(cast(Column#11), cast(test.t3.b))", - "├─TableReader_25(Build) 10000.00 root data:TableFullScan_24", - "│ └─TableFullScan_24 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo", - "└─HashAgg_15(Probe) 16000.00 root group by:Column#10, Column#11, funcs:firstrow(Column#10)->Column#10, funcs:firstrow(Column#11)->Column#11", - " └─Union_16 20000.00 root ", - " ├─Projection_17 10000.00 root test.t1.a, cast(test.t1.b, varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin)->Column#11", - " │ └─TableReader_19 10000.00 root data:TableFullScan_18", - " │ └─TableFullScan_18 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", - " └─TableReader_22 10000.00 root data:TableFullScan_21", - " └─TableFullScan_21 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + "├─TableReader_23(Build) 10000.00 root data:TableFullScan_22", + "│ └─TableFullScan_22 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo", + "└─HashAgg_13(Probe) 16000.00 root group by:Column#10, Column#11, funcs:firstrow(Column#10)->Column#10, funcs:firstrow(Column#11)->Column#11", + " └─Union_14 20000.00 root ", + " ├─Projection_15 10000.00 root test.t1.a, cast(test.t1.b, varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin)->Column#11", + " │ └─TableReader_17 10000.00 root data:TableFullScan_16", + " │ └─TableFullScan_16 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + " └─TableReader_20 10000.00 root data:TableFullScan_19", + " └─TableFullScan_19 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" ], "Res": [ "1 1", diff --git a/expression/integration_test.go b/expression/integration_test.go index b61a8400a0a4c..6881742a4d602 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -5242,9 +5242,9 @@ func (s *testIntegrationSuite) TestTimestampDatumEncode(c *C) { tk.MustExec(`create table t (a bigint primary key, b timestamp)`) tk.MustExec(`insert into t values (1, "2019-04-29 11:56:12")`) tk.MustQuery(`explain select * from t where b = (select max(b) from t)`).Check(testkit.Rows( - "TableReader_43 10.00 root data:Selection_42", - "└─Selection_42 10.00 cop[tikv] eq(test.t.b, 2019-04-29 11:56:12)", - " └─TableFullScan_41 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", + "TableReader_40 10.00 root data:Selection_39", + "└─Selection_39 10.00 cop[tikv] eq(test.t.b, 2019-04-29 11:56:12)", + " └─TableFullScan_38 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", )) tk.MustQuery(`select * from t where b = (select max(b) from t)`).Check(testkit.Rows(`1 2019-04-29 11:56:12`)) } diff --git a/planner/core/exhaust_physical_plans.go b/planner/core/exhaust_physical_plans.go index d4d35b2ad22c6..f700435624d0e 100644 --- a/planner/core/exhaust_physical_plans.go +++ b/planner/core/exhaust_physical_plans.go @@ -1896,6 +1896,7 @@ func (la *LogicalApply) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([ if !prop.AllColsFromSchema(la.children[0].Schema()) || prop.IsFlashProp() { // for convenient, we don't pass through any prop return nil, true } + disableAggPushDownToCop(la.children[0]) join := la.GetHashJoin(prop) var columns []*expression.Column for _, colColumn := range la.CorCols { @@ -1929,6 +1930,15 @@ func (la *LogicalApply) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([ return []PhysicalPlan{apply}, true } +func disableAggPushDownToCop(p LogicalPlan) { + for _, child := range p.Children() { + disableAggPushDownToCop(child) + } + if agg, ok := p.(*LogicalAggregation); ok { + agg.noCopPushDown = true + } +} + func (p *LogicalWindow) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([]PhysicalPlan, bool) { if prop.IsFlashProp() { return nil, true @@ -1962,7 +1972,7 @@ func (la *LogicalAggregation) canPushToCop() bool { // TODO: develop this function after supporting push several tasks to coprecessor and supporting Projection to coprocessor. _, ok := la.children[0].(*DataSource) - return ok + return ok && !la.noCopPushDown } func (la *LogicalAggregation) getEnforcedStreamAggs(prop *property.PhysicalProperty) []PhysicalPlan { @@ -2056,16 +2066,17 @@ func (la *LogicalAggregation) getStreamAggs(prop *property.PhysicalProperty) []P if la.HasDistinct() { // TODO: remove AllowDistinctAggPushDown after the cost estimation of distinct pushdown is implemented. // If AllowDistinctAggPushDown is set to true, we should not consider RootTask. - if !la.canPushToCop() || !la.ctx.GetSessionVars().AllowDistinctAggPushDown { + if !la.ctx.GetSessionVars().AllowDistinctAggPushDown { taskTypes = []property.TaskType{property.RootTaskType} - } else { - if !la.distinctArgsMeetsProperty() { - continue - } + } else if !la.distinctArgsMeetsProperty() { + continue } } else if !la.aggHints.preferAggToCop { taskTypes = append(taskTypes, property.RootTaskType) } + if !la.canPushToCop() { + taskTypes = []property.TaskType{property.RootTaskType} + } for _, taskTp := range taskTypes { copiedChildProperty := new(property.PhysicalProperty) *copiedChildProperty = *childProp // It's ok to not deep copy the "cols" field. @@ -2091,6 +2102,9 @@ func (la *LogicalAggregation) getHashAggs(prop *property.PhysicalProperty) []Phy if !prop.IsEmpty() { return nil } + if prop.IsFlashProp() && !la.canPushToCop() { + return nil + } hashAggs := make([]PhysicalPlan, 0, len(prop.GetAllPossibleChildTaskTypes())) taskTypes := []property.TaskType{property.CopSingleReadTaskType, property.CopDoubleReadTaskType} if la.ctx.GetSessionVars().AllowBCJ { @@ -2099,7 +2113,7 @@ func (la *LogicalAggregation) getHashAggs(prop *property.PhysicalProperty) []Phy if la.HasDistinct() { // TODO: remove AllowDistinctAggPushDown after the cost estimation of distinct pushdown is implemented. // If AllowDistinctAggPushDown is set to true, we should not consider RootTask. - if !la.canPushToCop() || !la.ctx.GetSessionVars().AllowDistinctAggPushDown { + if !la.ctx.GetSessionVars().AllowDistinctAggPushDown { taskTypes = []property.TaskType{property.RootTaskType} } } else if !la.aggHints.preferAggToCop { @@ -2108,6 +2122,9 @@ func (la *LogicalAggregation) getHashAggs(prop *property.PhysicalProperty) []Phy if prop.IsFlashProp() { taskTypes = []property.TaskType{prop.TaskTp} } + if !la.canPushToCop() { + taskTypes = []property.TaskType{property.RootTaskType} + } for _, taskTp := range taskTypes { agg := NewPhysicalHashAgg(la, la.stats.ScaleByExpectCnt(prop.ExpectedCnt), &property.PhysicalProperty{ExpectedCnt: math.MaxFloat64, TaskTp: taskTp}) agg.SetSchema(la.schema.Clone()) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index ab15ce17411ef..b70ebc55b3e88 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1021,14 +1021,14 @@ func (s *testIntegrationSuite) TestApproxCountDistinctInPartitionTable(c *C) { tk.MustExec("set session tidb_opt_agg_push_down=1") tk.MustExec(`set @@tidb_partition_prune_mode='` + string(variable.StaticOnly) + `'`) tk.MustQuery("explain select approx_count_distinct(a), b from t group by b order by b desc").Check(testkit.Rows("Sort_12 16000.00 root test.t.b:desc", - "└─HashAgg_17 16000.00 root group by:test.t.b, funcs:approx_count_distinct(Column#5)->Column#4, funcs:firstrow(Column#6)->test.t.b", - " └─PartitionUnion_18 16000.00 root ", - " ├─HashAgg_19 8000.00 root group by:test.t.b, funcs:approx_count_distinct(test.t.a)->Column#5, funcs:firstrow(test.t.b)->Column#6, funcs:firstrow(test.t.b)->test.t.b", - " │ └─TableReader_23 10000.00 root data:TableFullScan_22", - " │ └─TableFullScan_22 10000.00 cop[tikv] table:t, partition:p0 keep order:false, stats:pseudo", - " └─HashAgg_26 8000.00 root group by:test.t.b, funcs:approx_count_distinct(test.t.a)->Column#5, funcs:firstrow(test.t.b)->Column#6, funcs:firstrow(test.t.b)->test.t.b", - " └─TableReader_30 10000.00 root data:TableFullScan_29", - " └─TableFullScan_29 10000.00 cop[tikv] table:t, partition:p1 keep order:false, stats:pseudo")) + "└─HashAgg_15 16000.00 root group by:test.t.b, funcs:approx_count_distinct(Column#5)->Column#4, funcs:firstrow(Column#6)->test.t.b", + " └─PartitionUnion_16 16000.00 root ", + " ├─HashAgg_17 8000.00 root group by:test.t.b, funcs:approx_count_distinct(test.t.a)->Column#5, funcs:firstrow(test.t.b)->Column#6, funcs:firstrow(test.t.b)->test.t.b", + " │ └─TableReader_21 10000.00 root data:TableFullScan_20", + " │ └─TableFullScan_20 10000.00 cop[tikv] table:t, partition:p0 keep order:false, stats:pseudo", + " └─HashAgg_24 8000.00 root group by:test.t.b, funcs:approx_count_distinct(test.t.a)->Column#5, funcs:firstrow(test.t.b)->Column#6, funcs:firstrow(test.t.b)->test.t.b", + " └─TableReader_28 10000.00 root data:TableFullScan_27", + " └─TableFullScan_27 10000.00 cop[tikv] table:t, partition:p1 keep order:false, stats:pseudo")) tk.MustQuery("select approx_count_distinct(a), b from t group by b order by b desc").Check(testkit.Rows("1 2", "3 1")) } diff --git a/planner/core/logical_plans.go b/planner/core/logical_plans.go index 010ecb9e957e8..5f0731ce29d40 100644 --- a/planner/core/logical_plans.go +++ b/planner/core/logical_plans.go @@ -313,6 +313,10 @@ type LogicalAggregation struct { possibleProperties [][]*expression.Column inputCount float64 // inputCount is the input count of this plan. + + // noCopPushDown indicates if planner must not push this agg down to coprocessor. + // It is true when the agg is in the outer child tree of apply. + noCopPushDown bool } // HasDistinct shows whether LogicalAggregation has functions with distinct. diff --git a/planner/core/testdata/analyze_suite_out.json b/planner/core/testdata/analyze_suite_out.json index 32d4cb6b49e15..009c1a5fcc948 100644 --- a/planner/core/testdata/analyze_suite_out.json +++ b/planner/core/testdata/analyze_suite_out.json @@ -268,14 +268,14 @@ "└─Apply_13 10.00 root CARTESIAN left outer semi join, other cond:eq(test.t.c, Column#13)", " ├─TableReader_15(Build) 10.00 root data:TableFullScan_14", " │ └─TableFullScan_14 10.00 cop[tikv] table:t keep order:false", - " └─StreamAgg_22(Probe) 1.00 root funcs:count(1)->Column#13", - " └─HashJoin_23 1.00 root inner join, equal:[eq(test.t.a, test.t.a)]", - " ├─TableReader_33(Build) 1.00 root data:Selection_32", - " │ └─Selection_32 1.00 cop[tikv] eq(test.t.a, test.t.a), not(isnull(test.t.a))", - " │ └─TableFullScan_31 10.00 cop[tikv] table:t1 keep order:false", - " └─TableReader_27(Probe) 1.00 root data:Selection_26", - " └─Selection_26 1.00 cop[tikv] eq(test.t.a, test.t.a), not(isnull(test.t.a))", - " └─TableFullScan_25 10.00 cop[tikv] table:s keep order:false" + " └─StreamAgg_19(Probe) 1.00 root funcs:count(1)->Column#13", + " └─HashJoin_20 1.00 root inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─TableReader_30(Build) 1.00 root data:Selection_29", + " │ └─Selection_29 1.00 cop[tikv] eq(test.t.a, test.t.a), not(isnull(test.t.a))", + " │ └─TableFullScan_28 10.00 cop[tikv] table:t1 keep order:false", + " └─TableReader_24(Probe) 1.00 root data:Selection_23", + " └─Selection_23 1.00 cop[tikv] eq(test.t.a, test.t.a), not(isnull(test.t.a))", + " └─TableFullScan_22 10.00 cop[tikv] table:s keep order:false" ], [ "Projection_8 10.00 root Column#9", @@ -296,12 +296,12 @@ { "SQL": "explain select max(e) from t where a='T3382' and b='ECO' and c='TOPIC' and d='23660fa1ace9455cb7f3ee831e14a342'", "Plan": [ - "StreamAgg_14 1.00 root funcs:max(test.t.e)->Column#7", - "└─TopN_17 0.00 root test.t.e:desc, offset:0, count:1", - " └─IndexLookUp_49 0.00 root ", - " ├─IndexRangeScan_46(Build) 0.00 cop[tikv] table:t, index:idx2(a, c) range:[\"T3382\" \"TOPIC\",\"T3382\" \"TOPIC\"], keep order:false", - " └─Selection_48(Probe) 0.00 cop[tikv] eq(test.t.b, \"ECO\"), eq(test.t.d, \"23660fa1ace9455cb7f3ee831e14a342\"), not(isnull(test.t.e))", - " └─TableRowIDScan_47 0.00 cop[tikv] table:t keep order:false" + "StreamAgg_11 1.00 root funcs:max(test.t.e)->Column#7", + "└─TopN_14 0.00 root test.t.e:desc, offset:0, count:1", + " └─IndexLookUp_46 0.00 root ", + " ├─IndexRangeScan_43(Build) 0.00 cop[tikv] table:t, index:idx2(a, c) range:[\"T3382\" \"TOPIC\",\"T3382\" \"TOPIC\"], keep order:false", + " └─Selection_45(Probe) 0.00 cop[tikv] eq(test.t.b, \"ECO\"), eq(test.t.d, \"23660fa1ace9455cb7f3ee831e14a342\"), not(isnull(test.t.e))", + " └─TableRowIDScan_44 0.00 cop[tikv] table:t keep order:false" ] } ] diff --git a/planner/core/testdata/integration_serial_suite_out.json b/planner/core/testdata/integration_serial_suite_out.json index 937afcb4cc61e..1ae750d177e2d 100644 --- a/planner/core/testdata/integration_serial_suite_out.json +++ b/planner/core/testdata/integration_serial_suite_out.json @@ -48,198 +48,198 @@ { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t, d1_t where fact_t.d1_k = d1_t.d1_k", "Plan": [ - "HashAgg_24 1.00 root funcs:count(Column#12)->Column#11", - "└─TableReader_25 1.00 root data:HashAgg_10", - " └─HashAgg_10 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_15 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", - " ├─Selection_23(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", - " │ └─TableFullScan_22 2.00 cop[tiflash] table:d1_t keep order:false, global read", - " └─Selection_21(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", - " └─TableFullScan_20 8.00 cop[tiflash] table:fact_t keep order:false" + "HashAgg_20 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_21 1.00 root data:HashAgg_8", + " └─HashAgg_8 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_11 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + " ├─Selection_19(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_18 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─Selection_17(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_16 8.00 cop[tiflash] table:fact_t keep order:false" ] }, { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t,d2_t,d3_t) */ count(*) from fact_t, d1_t, d2_t, d3_t where fact_t.d1_k = d1_t.d1_k and fact_t.d2_k = d2_t.d2_k and fact_t.d3_k = d3_t.d3_k", "Plan": [ - "HashAgg_44 1.00 root funcs:count(Column#18)->Column#17", - "└─TableReader_45 1.00 root data:HashAgg_14", - " └─HashAgg_14 1.00 cop[tiflash] funcs:count(1)->Column#18", - " └─BroadcastJoin_19 8.00 cop[tiflash] inner join, left key:test.fact_t.d3_k, right key:test.d3_t.d3_k", - " ├─Selection_43(Build) 2.00 cop[tiflash] not(isnull(test.d3_t.d3_k))", - " │ └─TableFullScan_42 2.00 cop[tiflash] table:d3_t keep order:false, global read", - " └─BroadcastJoin_33(Probe) 8.00 cop[tiflash] inner join, left key:test.fact_t.d2_k, right key:test.d2_t.d2_k", - " ├─Selection_29(Build) 2.00 cop[tiflash] not(isnull(test.d2_t.d2_k))", - " │ └─TableFullScan_28 2.00 cop[tiflash] table:d2_t keep order:false, global read", - " └─BroadcastJoin_37(Probe) 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", - " ├─Selection_27(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", - " │ └─TableFullScan_26 2.00 cop[tiflash] table:d1_t keep order:false, global read", - " └─Selection_41(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k)), not(isnull(test.fact_t.d2_k)), not(isnull(test.fact_t.d3_k))", - " └─TableFullScan_40 8.00 cop[tiflash] table:fact_t keep order:false" + "HashAgg_40 1.00 root funcs:count(Column#18)->Column#17", + "└─TableReader_41 1.00 root data:HashAgg_12", + " └─HashAgg_12 1.00 cop[tiflash] funcs:count(1)->Column#18", + " └─BroadcastJoin_15 8.00 cop[tiflash] inner join, left key:test.fact_t.d3_k, right key:test.d3_t.d3_k", + " ├─Selection_39(Build) 2.00 cop[tiflash] not(isnull(test.d3_t.d3_k))", + " │ └─TableFullScan_38 2.00 cop[tiflash] table:d3_t keep order:false, global read", + " └─BroadcastJoin_29(Probe) 8.00 cop[tiflash] inner join, left key:test.fact_t.d2_k, right key:test.d2_t.d2_k", + " ├─Selection_25(Build) 2.00 cop[tiflash] not(isnull(test.d2_t.d2_k))", + " │ └─TableFullScan_24 2.00 cop[tiflash] table:d2_t keep order:false, global read", + " └─BroadcastJoin_33(Probe) 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + " ├─Selection_23(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_22 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─Selection_37(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k)), not(isnull(test.fact_t.d2_k)), not(isnull(test.fact_t.d3_k))", + " └─TableFullScan_36 8.00 cop[tiflash] table:fact_t keep order:false" ] }, { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t), broadcast_join_local(d1_t) */ count(*) from fact_t, d1_t where fact_t.d1_k = d1_t.d1_k", "Plan": [ - "HashAgg_19 1.00 root funcs:count(Column#12)->Column#11", - "└─TableReader_20 1.00 root data:HashAgg_10", - " └─HashAgg_10 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_14 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", - " ├─Selection_18(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", - " │ └─TableFullScan_17 2.00 cop[tiflash] table:d1_t keep order:false", - " └─Selection_16(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", - " └─TableFullScan_15 8.00 cop[tiflash] table:fact_t keep order:false, global read" + "HashAgg_15 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_16 1.00 root data:HashAgg_8", + " └─HashAgg_8 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_10 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + " ├─Selection_14(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_13 2.00 cop[tiflash] table:d1_t keep order:false", + " └─Selection_12(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_11 8.00 cop[tiflash] table:fact_t keep order:false, global read" ] }, { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t,d2_t,d3_t), broadcast_join_local(d2_t) */ count(*) from fact_t, d1_t, d2_t, d3_t where fact_t.d1_k = d1_t.d1_k and fact_t.d2_k = d2_t.d2_k and fact_t.d3_k = d3_t.d3_k", "Plan": [ - "HashAgg_30 1.00 root funcs:count(Column#18)->Column#17", - "└─TableReader_31 1.00 root data:HashAgg_14", - " └─HashAgg_14 1.00 cop[tiflash] funcs:count(1)->Column#18", - " └─BroadcastJoin_18 8.00 cop[tiflash] inner join, left key:test.fact_t.d3_k, right key:test.d3_t.d3_k", - " ├─Selection_29(Build) 2.00 cop[tiflash] not(isnull(test.d3_t.d3_k))", - " │ └─TableFullScan_28 2.00 cop[tiflash] table:d3_t keep order:false, global read", - " └─BroadcastJoin_19(Probe) 8.00 cop[tiflash] inner join, left key:test.fact_t.d2_k, right key:test.d2_t.d2_k", - " ├─Selection_27(Build) 2.00 cop[tiflash] not(isnull(test.d2_t.d2_k))", - " │ └─TableFullScan_26 2.00 cop[tiflash] table:d2_t keep order:false", - " └─BroadcastJoin_20(Probe) 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", - " ├─Selection_25(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", - " │ └─TableFullScan_24 2.00 cop[tiflash] table:d1_t keep order:false, global read", - " └─Selection_23(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k)), not(isnull(test.fact_t.d2_k)), not(isnull(test.fact_t.d3_k))", - " └─TableFullScan_22 8.00 cop[tiflash] table:fact_t keep order:false, global read" + "HashAgg_26 1.00 root funcs:count(Column#18)->Column#17", + "└─TableReader_27 1.00 root data:HashAgg_12", + " └─HashAgg_12 1.00 cop[tiflash] funcs:count(1)->Column#18", + " └─BroadcastJoin_14 8.00 cop[tiflash] inner join, left key:test.fact_t.d3_k, right key:test.d3_t.d3_k", + " ├─Selection_25(Build) 2.00 cop[tiflash] not(isnull(test.d3_t.d3_k))", + " │ └─TableFullScan_24 2.00 cop[tiflash] table:d3_t keep order:false, global read", + " └─BroadcastJoin_15(Probe) 8.00 cop[tiflash] inner join, left key:test.fact_t.d2_k, right key:test.d2_t.d2_k", + " ├─Selection_23(Build) 2.00 cop[tiflash] not(isnull(test.d2_t.d2_k))", + " │ └─TableFullScan_22 2.00 cop[tiflash] table:d2_t keep order:false", + " └─BroadcastJoin_16(Probe) 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + " ├─Selection_21(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_20 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─Selection_19(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k)), not(isnull(test.fact_t.d2_k)), not(isnull(test.fact_t.d3_k))", + " └─TableFullScan_18 8.00 cop[tiflash] table:fact_t keep order:false, global read" ] }, { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k", "Plan": [ - "HashAgg_17 1.00 root funcs:count(Column#12)->Column#11", - "└─TableReader_18 1.00 root data:HashAgg_9", - " └─HashAgg_9 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_13 8.00 cop[tiflash] left outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", - " ├─Selection_16(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", - " │ └─TableFullScan_15 2.00 cop[tiflash] table:d1_t keep order:false, global read", - " └─TableFullScan_14(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" + "HashAgg_13 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_14 1.00 root data:HashAgg_7", + " └─HashAgg_7 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_9 8.00 cop[tiflash] left outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + " ├─Selection_12(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_11 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─TableFullScan_10(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" ] }, { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k", "Plan": [ - "HashAgg_17 1.00 root funcs:count(Column#12)->Column#11", - "└─TableReader_18 1.00 root data:HashAgg_9", - " └─HashAgg_9 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_13 8.00 cop[tiflash] right outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", - " ├─TableFullScan_16(Build) 2.00 cop[tiflash] table:d1_t keep order:false", - " └─Selection_15(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", - " └─TableFullScan_14 8.00 cop[tiflash] table:fact_t keep order:false, global read" + "HashAgg_13 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_14 1.00 root data:HashAgg_7", + " └─HashAgg_7 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_9 8.00 cop[tiflash] right outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + " ├─TableFullScan_12(Build) 2.00 cop[tiflash] table:d1_t keep order:false", + " └─Selection_11(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_10 8.00 cop[tiflash] table:fact_t keep order:false, global read" ] }, { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col1 > d1_t.value", "Plan": [ - "HashAgg_23 1.00 root funcs:count(Column#12)->Column#11", - "└─TableReader_24 1.00 root data:HashAgg_9", - " └─HashAgg_9 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_14 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, other cond:gt(test.fact_t.col1, test.d1_t.value)", - " ├─Selection_22(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", - " │ └─TableFullScan_21 2.00 cop[tiflash] table:d1_t keep order:false, global read", - " └─Selection_20(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", - " └─TableFullScan_19 8.00 cop[tiflash] table:fact_t keep order:false" + "HashAgg_19 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_20 1.00 root data:HashAgg_7", + " └─HashAgg_7 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_10 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, other cond:gt(test.fact_t.col1, test.d1_t.value)", + " ├─Selection_18(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", + " │ └─TableFullScan_17 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─Selection_16(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_15 8.00 cop[tiflash] table:fact_t keep order:false" ] }, { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col1 > 10", "Plan": [ - "HashAgg_17 1.00 root funcs:count(Column#12)->Column#11", - "└─TableReader_18 1.00 root data:HashAgg_9", - " └─HashAgg_9 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_13 8.00 cop[tiflash] left outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, left cond:[gt(test.fact_t.col1, 10)]", - " ├─Selection_16(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", - " │ └─TableFullScan_15 2.00 cop[tiflash] table:d1_t keep order:false, global read", - " └─TableFullScan_14(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" + "HashAgg_13 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_14 1.00 root data:HashAgg_7", + " └─HashAgg_7 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_9 8.00 cop[tiflash] left outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, left cond:[gt(test.fact_t.col1, 10)]", + " ├─Selection_12(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_11 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─TableFullScan_10(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" ] }, { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col2 > 10 and fact_t.col1 > d1_t.value", "Plan": [ - "HashAgg_17 1.00 root funcs:count(Column#12)->Column#11", - "└─TableReader_18 1.00 root data:HashAgg_9", - " └─HashAgg_9 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_13 8.00 cop[tiflash] left outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, left cond:[gt(test.fact_t.col2, 10)], other cond:gt(test.fact_t.col1, test.d1_t.value)", - " ├─Selection_16(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", - " │ └─TableFullScan_15 2.00 cop[tiflash] table:d1_t keep order:false, global read", - " └─TableFullScan_14(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" + "HashAgg_13 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_14 1.00 root data:HashAgg_7", + " └─HashAgg_7 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_9 8.00 cop[tiflash] left outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, left cond:[gt(test.fact_t.col2, 10)], other cond:gt(test.fact_t.col1, test.d1_t.value)", + " ├─Selection_12(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", + " │ └─TableFullScan_11 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─TableFullScan_10(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" ] }, { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k and d1_t.value > 10", "Plan": [ - "HashAgg_17 1.00 root funcs:count(Column#12)->Column#11", - "└─TableReader_18 1.00 root data:HashAgg_9", - " └─HashAgg_9 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_13 8.00 cop[tiflash] right outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, right cond:gt(test.d1_t.value, 10)", - " ├─TableFullScan_16(Build) 2.00 cop[tiflash] table:d1_t keep order:false", - " └─Selection_15(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", - " └─TableFullScan_14 8.00 cop[tiflash] table:fact_t keep order:false, global read" + "HashAgg_13 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_14 1.00 root data:HashAgg_7", + " └─HashAgg_7 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_9 8.00 cop[tiflash] right outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, right cond:gt(test.d1_t.value, 10)", + " ├─TableFullScan_12(Build) 2.00 cop[tiflash] table:d1_t keep order:false", + " └─Selection_11(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_10 8.00 cop[tiflash] table:fact_t keep order:false, global read" ] }, { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k and d1_t.value > 10 and fact_t.col1 > d1_t.value", "Plan": [ - "HashAgg_17 1.00 root funcs:count(Column#12)->Column#11", - "└─TableReader_18 1.00 root data:HashAgg_9", - " └─HashAgg_9 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_13 8.00 cop[tiflash] right outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, right cond:gt(test.d1_t.value, 10), other cond:gt(test.fact_t.col1, test.d1_t.value)", - " ├─Selection_15(Build) 8.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", - " │ └─TableFullScan_14 8.00 cop[tiflash] table:fact_t keep order:false, global read", - " └─TableFullScan_16(Probe) 2.00 cop[tiflash] table:d1_t keep order:false" + "HashAgg_13 1.00 root funcs:count(Column#12)->Column#11", + "└─TableReader_14 1.00 root data:HashAgg_7", + " └─HashAgg_7 1.00 cop[tiflash] funcs:count(1)->Column#12", + " └─BroadcastJoin_9 8.00 cop[tiflash] right outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, right cond:gt(test.d1_t.value, 10), other cond:gt(test.fact_t.col1, test.d1_t.value)", + " ├─Selection_11(Build) 8.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", + " │ └─TableFullScan_10 8.00 cop[tiflash] table:fact_t keep order:false, global read", + " └─TableFullScan_12(Probe) 2.00 cop[tiflash] table:d1_t keep order:false" ] }, { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t where exists (select 1 from d1_t where d1_k = fact_t.d1_k)", "Plan": [ - "HashAgg_21 1.00 root funcs:count(Column#13)->Column#12", - "└─TableReader_22 1.00 root data:HashAgg_12", - " └─HashAgg_12 1.00 cop[tiflash] funcs:count(1)->Column#13", - " └─BroadcastJoin_16 6.40 cop[tiflash] semi join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", - " ├─Selection_20(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", - " │ └─TableFullScan_19 2.00 cop[tiflash] table:d1_t keep order:false, global read", - " └─Selection_18(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", - " └─TableFullScan_17 8.00 cop[tiflash] table:fact_t keep order:false" + "HashAgg_24 1.00 root funcs:count(Column#13)->Column#12", + "└─TableReader_25 1.00 root data:HashAgg_10", + " └─HashAgg_10 1.00 cop[tiflash] funcs:count(1)->Column#13", + " └─BroadcastJoin_12 6.40 cop[tiflash] semi join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + " ├─Selection_17(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_16 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─Selection_15(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_14 8.00 cop[tiflash] table:fact_t keep order:false" ] }, { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t where exists (select 1 from d1_t where d1_k = fact_t.d1_k and value > fact_t.col1)", "Plan": [ - "HashAgg_21 1.00 root funcs:count(Column#13)->Column#12", - "└─TableReader_22 1.00 root data:HashAgg_12", - " └─HashAgg_12 1.00 cop[tiflash] funcs:count(1)->Column#13", - " └─BroadcastJoin_16 6.40 cop[tiflash] semi join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, other cond:gt(test.d1_t.value, test.fact_t.col1)", - " ├─Selection_20(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", - " │ └─TableFullScan_19 2.00 cop[tiflash] table:d1_t keep order:false, global read", - " └─Selection_18(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", - " └─TableFullScan_17 8.00 cop[tiflash] table:fact_t keep order:false" + "HashAgg_24 1.00 root funcs:count(Column#13)->Column#12", + "└─TableReader_25 1.00 root data:HashAgg_10", + " └─HashAgg_10 1.00 cop[tiflash] funcs:count(1)->Column#13", + " └─BroadcastJoin_12 6.40 cop[tiflash] semi join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, other cond:gt(test.d1_t.value, test.fact_t.col1)", + " ├─Selection_17(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", + " │ └─TableFullScan_16 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─Selection_15(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_14 8.00 cop[tiflash] table:fact_t keep order:false" ] }, { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t where not exists (select 1 from d1_t where d1_k = fact_t.d1_k)", "Plan": [ - "HashAgg_19 1.00 root funcs:count(Column#13)->Column#12", - "└─TableReader_20 1.00 root data:HashAgg_12", - " └─HashAgg_12 1.00 cop[tiflash] funcs:count(1)->Column#13", - " └─BroadcastJoin_16 6.40 cop[tiflash] anti semi join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", - " ├─TableFullScan_18(Build) 2.00 cop[tiflash] table:d1_t keep order:false, global read", - " └─TableFullScan_17(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" + "HashAgg_20 1.00 root funcs:count(Column#13)->Column#12", + "└─TableReader_21 1.00 root data:HashAgg_10", + " └─HashAgg_10 1.00 cop[tiflash] funcs:count(1)->Column#13", + " └─BroadcastJoin_12 6.40 cop[tiflash] anti semi join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + " ├─TableFullScan_15(Build) 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─TableFullScan_14(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" ] }, { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t where not exists (select 1 from d1_t where d1_k = fact_t.d1_k and value > fact_t.col1)", "Plan": [ - "HashAgg_19 1.00 root funcs:count(Column#13)->Column#12", - "└─TableReader_20 1.00 root data:HashAgg_12", - " └─HashAgg_12 1.00 cop[tiflash] funcs:count(1)->Column#13", - " └─BroadcastJoin_16 6.40 cop[tiflash] anti semi join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, other cond:gt(test.d1_t.value, test.fact_t.col1)", - " ├─TableFullScan_18(Build) 2.00 cop[tiflash] table:d1_t keep order:false, global read", - " └─TableFullScan_17(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" + "HashAgg_20 1.00 root funcs:count(Column#13)->Column#12", + "└─TableReader_21 1.00 root data:HashAgg_10", + " └─HashAgg_10 1.00 cop[tiflash] funcs:count(1)->Column#13", + " └─BroadcastJoin_12 6.40 cop[tiflash] anti semi join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, other cond:gt(test.d1_t.value, test.fact_t.col1)", + " ├─TableFullScan_15(Build) 2.00 cop[tiflash] table:d1_t keep order:false, global read", + " └─TableFullScan_14(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" ] } ] diff --git a/planner/core/testdata/integration_suite_out.json b/planner/core/testdata/integration_suite_out.json index caa9ef14acc03..016af2817a3dc 100644 --- a/planner/core/testdata/integration_suite_out.json +++ b/planner/core/testdata/integration_suite_out.json @@ -100,50 +100,50 @@ { "SQL": "explain (select max(a) from t) union (select min(a) from t)", "Plan": [ - "HashAgg_19 2.00 root group by:Column#5, funcs:firstrow(Column#5)->Column#5", - "└─Union_20 2.00 root ", - " ├─StreamAgg_26 1.00 root funcs:max(test.t.a)->Column#2", - " │ └─Limit_30 1.00 root offset:0, count:1", - " │ └─TableReader_40 1.00 root data:Limit_39", - " │ └─Limit_39 1.00 cop[tikv] offset:0, count:1", - " │ └─TableFullScan_38 1.00 cop[tikv] table:t keep order:true, desc, stats:pseudo", - " └─StreamAgg_48 1.00 root funcs:min(test.t.a)->Column#4", - " └─Limit_52 1.00 root offset:0, count:1", - " └─TableReader_62 1.00 root data:Limit_61", - " └─Limit_61 1.00 cop[tikv] offset:0, count:1", - " └─TableFullScan_60 1.00 cop[tikv] table:t keep order:true, stats:pseudo" + "HashAgg_17 2.00 root group by:Column#5, funcs:firstrow(Column#5)->Column#5", + "└─Union_18 2.00 root ", + " ├─StreamAgg_21 1.00 root funcs:max(test.t.a)->Column#2", + " │ └─Limit_25 1.00 root offset:0, count:1", + " │ └─TableReader_35 1.00 root data:Limit_34", + " │ └─Limit_34 1.00 cop[tikv] offset:0, count:1", + " │ └─TableFullScan_33 1.00 cop[tikv] table:t keep order:true, desc, stats:pseudo", + " └─StreamAgg_40 1.00 root funcs:min(test.t.a)->Column#4", + " └─Limit_44 1.00 root offset:0, count:1", + " └─TableReader_54 1.00 root data:Limit_53", + " └─Limit_53 1.00 cop[tikv] offset:0, count:1", + " └─TableFullScan_52 1.00 cop[tikv] table:t keep order:true, stats:pseudo" ] }, { "SQL": "explain select min(a), max(a) from cluster_index_t", "Plan": [ "HashJoin_16 1.00 root CARTESIAN inner join", - "├─StreamAgg_43(Build) 1.00 root funcs:max(test.cluster_index_t.a)->Column#5", - "│ └─Limit_47 1.00 root offset:0, count:1", - "│ └─TableReader_57 1.00 root data:Limit_56", - "│ └─Limit_56 1.00 cop[tikv] offset:0, count:1", - "│ └─TableFullScan_55 1.00 cop[tikv] table:cluster_index_t keep order:true, desc, stats:pseudo", - "└─StreamAgg_22(Probe) 1.00 root funcs:min(test.cluster_index_t.a)->Column#4", - " └─Limit_26 1.00 root offset:0, count:1", - " └─TableReader_36 1.00 root data:Limit_35", - " └─Limit_35 1.00 cop[tikv] offset:0, count:1", - " └─TableFullScan_34 1.00 cop[tikv] table:cluster_index_t keep order:true, stats:pseudo" + "├─StreamAgg_37(Build) 1.00 root funcs:max(test.cluster_index_t.a)->Column#5", + "│ └─Limit_41 1.00 root offset:0, count:1", + "│ └─TableReader_51 1.00 root data:Limit_50", + "│ └─Limit_50 1.00 cop[tikv] offset:0, count:1", + "│ └─TableFullScan_49 1.00 cop[tikv] table:cluster_index_t keep order:true, desc, stats:pseudo", + "└─StreamAgg_19(Probe) 1.00 root funcs:min(test.cluster_index_t.a)->Column#4", + " └─Limit_23 1.00 root offset:0, count:1", + " └─TableReader_33 1.00 root data:Limit_32", + " └─Limit_32 1.00 cop[tikv] offset:0, count:1", + " └─TableFullScan_31 1.00 cop[tikv] table:cluster_index_t keep order:true, stats:pseudo" ] }, { "SQL": "explain select min(b), max(b) from cluster_index_t where a = 1", "Plan": [ "HashJoin_19 1.00 root CARTESIAN inner join", - "├─StreamAgg_46(Build) 1.00 root funcs:max(test.cluster_index_t.b)->Column#5", - "│ └─Limit_50 1.00 root offset:0, count:1", - "│ └─TableReader_60 1.00 root data:Limit_59", - "│ └─Limit_59 1.00 cop[tikv] offset:0, count:1", - "│ └─TableRangeScan_58 1.00 cop[tikv] table:cluster_index_t range:[1,1], keep order:true, desc, stats:pseudo", - "└─StreamAgg_25(Probe) 1.00 root funcs:min(test.cluster_index_t.b)->Column#4", - " └─Limit_29 1.00 root offset:0, count:1", - " └─TableReader_39 1.00 root data:Limit_38", - " └─Limit_38 1.00 cop[tikv] offset:0, count:1", - " └─TableRangeScan_37 1.00 cop[tikv] table:cluster_index_t range:[1,1], keep order:true, stats:pseudo" + "├─StreamAgg_40(Build) 1.00 root funcs:max(test.cluster_index_t.b)->Column#5", + "│ └─Limit_44 1.00 root offset:0, count:1", + "│ └─TableReader_54 1.00 root data:Limit_53", + "│ └─Limit_53 1.00 cop[tikv] offset:0, count:1", + "│ └─TableRangeScan_52 1.00 cop[tikv] table:cluster_index_t range:[1,1], keep order:true, desc, stats:pseudo", + "└─StreamAgg_22(Probe) 1.00 root funcs:min(test.cluster_index_t.b)->Column#4", + " └─Limit_26 1.00 root offset:0, count:1", + " └─TableReader_36 1.00 root data:Limit_35", + " └─Limit_35 1.00 cop[tikv] offset:0, count:1", + " └─TableRangeScan_34 1.00 cop[tikv] table:cluster_index_t range:[1,1], keep order:true, stats:pseudo" ] }, { diff --git a/planner/core/testdata/partition_pruner_out.json b/planner/core/testdata/partition_pruner_out.json index 589537a2e5288..653d492b22a8f 100644 --- a/planner/core/testdata/partition_pruner_out.json +++ b/planner/core/testdata/partition_pruner_out.json @@ -684,14 +684,14 @@ ], "Plan": [ "Sort_12 16.00 root Column#10", - "└─HashAgg_16 16.00 root group by:Column#10, Column#11, Column#9, funcs:firstrow(Column#9)->Column#9, funcs:firstrow(Column#10)->Column#10, funcs:firstrow(Column#11)->Column#11", - " └─Union_17 20.00 root ", - " ├─TableReader_21 10.00 root partition:p1 data:Selection_20", - " │ └─Selection_20 10.00 cop[tikv] eq(test_partition.t1.a, 6)", - " │ └─TableFullScan_19 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", - " └─TableReader_25 10.00 root partition:p0 data:Selection_24", - " └─Selection_24 10.00 cop[tikv] eq(test_partition.t1.a, 1)", - " └─TableFullScan_23 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + "└─HashAgg_14 16.00 root group by:Column#10, Column#11, Column#9, funcs:firstrow(Column#9)->Column#9, funcs:firstrow(Column#10)->Column#10, funcs:firstrow(Column#11)->Column#11", + " └─Union_15 20.00 root ", + " ├─TableReader_19 10.00 root partition:p1 data:Selection_18", + " │ └─Selection_18 10.00 cop[tikv] eq(test_partition.t1.a, 6)", + " │ └─TableFullScan_17 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + " └─TableReader_23 10.00 root partition:p0 data:Selection_22", + " └─Selection_22 10.00 cop[tikv] eq(test_partition.t1.a, 1)", + " └─TableFullScan_21 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" ] }, { @@ -748,14 +748,14 @@ "1" ], "Plan": [ - "StreamAgg_13 1.00 root funcs:count(1)->Column#9", - "└─HashJoin_46 4.00 root inner join, equal:[eq(test_partition.t6.b, test_partition.t5.b)]", - " ├─IndexReader_33(Build) 4.00 root partition:p0,p1 index:Selection_32", - " │ └─Selection_32 4.00 cop[tikv] not(isnull(test_partition.t5.b))", - " │ └─IndexRangeScan_31 4.00 cop[tikv] table:t5, index:a(a, b) range:[1 1,1 1], [1 6,1 6], [6 1,6 1], [6 6,6 6], keep order:false, stats:pseudo", - " └─IndexReader_30(Probe) 4.00 root partition:p0 index:Selection_29", - " └─Selection_29 4.00 cop[tikv] not(isnull(test_partition.t6.b))", - " └─IndexRangeScan_28 4.00 cop[tikv] table:t6, index:a(a, b) range:[1 1,1 1], [1 6,1 6], [2 1,2 1], [2 6,2 6], keep order:false, stats:pseudo" + "StreamAgg_10 1.00 root funcs:count(1)->Column#9", + "└─HashJoin_43 4.00 root inner join, equal:[eq(test_partition.t6.b, test_partition.t5.b)]", + " ├─IndexReader_30(Build) 4.00 root partition:p0,p1 index:Selection_29", + " │ └─Selection_29 4.00 cop[tikv] not(isnull(test_partition.t5.b))", + " │ └─IndexRangeScan_28 4.00 cop[tikv] table:t5, index:a(a, b) range:[1 1,1 1], [1 6,1 6], [6 1,6 1], [6 6,6 6], keep order:false, stats:pseudo", + " └─IndexReader_27(Probe) 4.00 root partition:p0 index:Selection_26", + " └─Selection_26 4.00 cop[tikv] not(isnull(test_partition.t6.b))", + " └─IndexRangeScan_25 4.00 cop[tikv] table:t6, index:a(a, b) range:[1 1,1 1], [1 6,1 6], [2 1,2 1], [2 6,2 6], keep order:false, stats:pseudo" ] }, { @@ -764,14 +764,14 @@ "1" ], "Plan": [ - "StreamAgg_12 1.00 root funcs:count(1)->Column#9", - "└─IndexJoin_34 4.00 root inner join, inner:IndexReader_33, outer key:test_partition.t6.b, inner key:test_partition.t5.b, equal cond:eq(test_partition.t6.b, test_partition.t5.b)", - " ├─IndexReader_27(Build) 4.00 root partition:p0 index:Selection_26", - " │ └─Selection_26 4.00 cop[tikv] not(isnull(test_partition.t6.b))", - " │ └─IndexRangeScan_25 4.00 cop[tikv] table:t6, index:a(a, b) range:[1 1,1 1], [1 6,1 6], [2 1,2 1], [2 6,2 6], keep order:false, stats:pseudo", - " └─IndexReader_33(Probe) 1.25 root partition:p0,p1 index:Selection_32", - " └─Selection_32 1.25 cop[tikv] in(test_partition.t5.b, 1, 6), not(isnull(test_partition.t5.b))", - " └─IndexRangeScan_31 625.00 cop[tikv] table:t5, index:a(a, b) range: decided by [eq(test_partition.t5.b, test_partition.t6.b) in(test_partition.t5.a, 1, 6)], keep order:false, stats:pseudo" + "StreamAgg_9 1.00 root funcs:count(1)->Column#9", + "└─IndexJoin_31 4.00 root inner join, inner:IndexReader_30, outer key:test_partition.t6.b, inner key:test_partition.t5.b, equal cond:eq(test_partition.t6.b, test_partition.t5.b)", + " ├─IndexReader_24(Build) 4.00 root partition:p0 index:Selection_23", + " │ └─Selection_23 4.00 cop[tikv] not(isnull(test_partition.t6.b))", + " │ └─IndexRangeScan_22 4.00 cop[tikv] table:t6, index:a(a, b) range:[1 1,1 1], [1 6,1 6], [2 1,2 1], [2 6,2 6], keep order:false, stats:pseudo", + " └─IndexReader_30(Probe) 1.25 root partition:p0,p1 index:Selection_29", + " └─Selection_29 1.25 cop[tikv] in(test_partition.t5.b, 1, 6), not(isnull(test_partition.t5.b))", + " └─IndexRangeScan_28 625.00 cop[tikv] table:t5, index:a(a, b) range: decided by [eq(test_partition.t5.b, test_partition.t6.b) in(test_partition.t5.a, 1, 6)], keep order:false, stats:pseudo" ] }, { @@ -780,14 +780,14 @@ "1" ], "Plan": [ - "StreamAgg_12 1.00 root funcs:count(1)->Column#9", - "└─IndexHashJoin_36 4.00 root inner join, inner:IndexReader_33, outer key:test_partition.t6.b, inner key:test_partition.t5.b, equal cond:eq(test_partition.t6.b, test_partition.t5.b)", - " ├─IndexReader_27(Build) 4.00 root partition:p0 index:Selection_26", - " │ └─Selection_26 4.00 cop[tikv] not(isnull(test_partition.t6.b))", - " │ └─IndexRangeScan_25 4.00 cop[tikv] table:t6, index:a(a, b) range:[1 1,1 1], [1 6,1 6], [2 1,2 1], [2 6,2 6], keep order:false, stats:pseudo", - " └─IndexReader_33(Probe) 1.25 root partition:p0,p1 index:Selection_32", - " └─Selection_32 1.25 cop[tikv] in(test_partition.t5.b, 1, 6), not(isnull(test_partition.t5.b))", - " └─IndexRangeScan_31 625.00 cop[tikv] table:t5, index:a(a, b) range: decided by [eq(test_partition.t5.b, test_partition.t6.b) in(test_partition.t5.a, 1, 6)], keep order:false, stats:pseudo" + "StreamAgg_9 1.00 root funcs:count(1)->Column#9", + "└─IndexHashJoin_33 4.00 root inner join, inner:IndexReader_30, outer key:test_partition.t6.b, inner key:test_partition.t5.b, equal cond:eq(test_partition.t6.b, test_partition.t5.b)", + " ├─IndexReader_24(Build) 4.00 root partition:p0 index:Selection_23", + " │ └─Selection_23 4.00 cop[tikv] not(isnull(test_partition.t6.b))", + " │ └─IndexRangeScan_22 4.00 cop[tikv] table:t6, index:a(a, b) range:[1 1,1 1], [1 6,1 6], [2 1,2 1], [2 6,2 6], keep order:false, stats:pseudo", + " └─IndexReader_30(Probe) 1.25 root partition:p0,p1 index:Selection_29", + " └─Selection_29 1.25 cop[tikv] in(test_partition.t5.b, 1, 6), not(isnull(test_partition.t5.b))", + " └─IndexRangeScan_28 625.00 cop[tikv] table:t5, index:a(a, b) range: decided by [eq(test_partition.t5.b, test_partition.t6.b) in(test_partition.t5.a, 1, 6)], keep order:false, stats:pseudo" ] }, { diff --git a/planner/core/testdata/plan_suite_out.json b/planner/core/testdata/plan_suite_out.json index abb9c760d7709..adca4a5dc32c4 100644 --- a/planner/core/testdata/plan_suite_out.json +++ b/planner/core/testdata/plan_suite_out.json @@ -1645,16 +1645,16 @@ { "SQL": "select distinct DATE_FORMAT(timestamp, '%Y-%m-%d %H') as tt from tc ;", "Plan": [ - "HashAgg_13 16000.00 root group by:Column#5, funcs:firstrow(Column#6)->Column#3", - "└─PartitionUnion_14 16000.00 root ", - " ├─HashAgg_17 8000.00 root group by:Column#15, funcs:firstrow(Column#13)->Column#6, funcs:firstrow(Column#14)->Column#5", - " │ └─Projection_37 10000.00 root date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#13, date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#14, date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#15", - " │ └─TableReader_23 10000.00 root data:TableFullScan_22", - " │ └─TableFullScan_22 10000.00 cop[tikv] table:tc, partition:p2020072312 keep order:false, stats:pseudo", - " └─HashAgg_28 8000.00 root group by:Column#18, funcs:firstrow(Column#16)->Column#6, funcs:firstrow(Column#17)->Column#5", - " └─Projection_38 10000.00 root date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#16, date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#17, date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#18", - " └─TableReader_34 10000.00 root data:TableFullScan_33", - " └─TableFullScan_33 10000.00 cop[tikv] table:tc, partition:p2020072313 keep order:false, stats:pseudo" + "HashAgg_11 16000.00 root group by:Column#5, funcs:firstrow(Column#6)->Column#3", + "└─PartitionUnion_12 16000.00 root ", + " ├─HashAgg_15 8000.00 root group by:Column#15, funcs:firstrow(Column#13)->Column#6, funcs:firstrow(Column#14)->Column#5", + " │ └─Projection_35 10000.00 root date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#13, date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#14, date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#15", + " │ └─TableReader_21 10000.00 root data:TableFullScan_20", + " │ └─TableFullScan_20 10000.00 cop[tikv] table:tc, partition:p2020072312 keep order:false, stats:pseudo", + " └─HashAgg_26 8000.00 root group by:Column#18, funcs:firstrow(Column#16)->Column#6, funcs:firstrow(Column#17)->Column#5", + " └─Projection_36 10000.00 root date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#16, date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#17, date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#18", + " └─TableReader_32 10000.00 root data:TableFullScan_31", + " └─TableFullScan_31 10000.00 cop[tikv] table:tc, partition:p2020072313 keep order:false, stats:pseudo" ], "Result": null } @@ -1828,13 +1828,13 @@ { "SQL": "select distinct DATE_FORMAT(timestamp, '%Y-%m-%d %H') as tt from tc ;", "Plan": [ - "HashAgg_10 16000.00 root group by:Column#3, funcs:firstrow(Column#3)->Column#3", - "└─Projection_11 20000.00 root date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#3", - " └─PartitionUnion_12 20000.00 root ", - " ├─TableReader_14 10000.00 root data:TableFullScan_13", - " │ └─TableFullScan_13 10000.00 cop[tikv] table:tc, partition:p2020072312 keep order:false, stats:pseudo", - " └─TableReader_18 10000.00 root data:TableFullScan_17", - " └─TableFullScan_17 10000.00 cop[tikv] table:tc, partition:p2020072313 keep order:false, stats:pseudo" + "HashAgg_8 16000.00 root group by:Column#3, funcs:firstrow(Column#3)->Column#3", + "└─Projection_9 20000.00 root date_format(test.tc.timestamp, %Y-%m-%d %H)->Column#3", + " └─PartitionUnion_10 20000.00 root ", + " ├─TableReader_12 10000.00 root data:TableFullScan_11", + " │ └─TableFullScan_11 10000.00 cop[tikv] table:tc, partition:p2020072312 keep order:false, stats:pseudo", + " └─TableReader_16 10000.00 root data:TableFullScan_15", + " └─TableFullScan_15 10000.00 cop[tikv] table:tc, partition:p2020072313 keep order:false, stats:pseudo" ], "Result": null } diff --git a/planner/core/testdata/stats_suite_out.json b/planner/core/testdata/stats_suite_out.json index 9cc3a77c388c2..b53c82a162093 100644 --- a/planner/core/testdata/stats_suite_out.json +++ b/planner/core/testdata/stats_suite_out.json @@ -170,93 +170,93 @@ { "SQL": "select count(c3) from (select a as c1, b as c2, a+1 as c3 from t1) as tmp group by c2, c1", "Plan": [ - "StreamAgg_10 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#4)->Column#5", - "└─Projection_16 4.00 root test.t1.a, test.t1.b, plus(test.t1.a, 1)->Column#4", - " └─IndexReader_18 4.00 root index:IndexFullScan_17", - " └─IndexFullScan_17 4.00 cop[tikv] table:t1, index:a(a, b) keep order:true" + "StreamAgg_7 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#4)->Column#5", + "└─Projection_13 4.00 root test.t1.a, test.t1.b, plus(test.t1.a, 1)->Column#4", + " └─IndexReader_15 4.00 root index:IndexFullScan_14", + " └─IndexFullScan_14 4.00 cop[tikv] table:t1, index:a(a, b) keep order:true" ] }, { "SQL": "select count(tmp.cmp) from (select t1.a as a, t1.b as b, (t1.b > (select t2.b from t2 where t2.a = t1.a)) as cmp from t1) tmp group by tmp.a, tmp.b", "Plan": [ - "StreamAgg_15 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#7)->Column#8", - "└─Projection_26 4.00 root test.t1.a, test.t1.b, gt(test.t1.b, test.t2.b)->Column#7", - " └─Apply_28 4.00 root CARTESIAN left outer join", - " ├─IndexReader_30(Build) 4.00 root index:IndexFullScan_29", - " │ └─IndexFullScan_29 4.00 cop[tikv] table:t1, index:a(a, b) keep order:true", - " └─MaxOneRow_23(Probe) 1.00 root ", - " └─IndexReader_25 2.00 root index:IndexRangeScan_24", - " └─IndexRangeScan_24 2.00 cop[tikv] table:t2, index:a(a, b) range: decided by [eq(test.t2.a, test.t1.a)], keep order:false" + "StreamAgg_12 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#7)->Column#8", + "└─Projection_23 4.00 root test.t1.a, test.t1.b, gt(test.t1.b, test.t2.b)->Column#7", + " └─Apply_25 4.00 root CARTESIAN left outer join", + " ├─IndexReader_27(Build) 4.00 root index:IndexFullScan_26", + " │ └─IndexFullScan_26 4.00 cop[tikv] table:t1, index:a(a, b) keep order:true", + " └─MaxOneRow_20(Probe) 1.00 root ", + " └─IndexReader_22 2.00 root index:IndexRangeScan_21", + " └─IndexRangeScan_21 2.00 cop[tikv] table:t2, index:a(a, b) range: decided by [eq(test.t2.a, test.t1.a)], keep order:false" ] }, { "SQL": "select count(tmp.cmp) from (select t1.a as a, t1.b as b, (t1.b in (select t2.b from t2 where t2.a = t1.a limit 3)) as cmp from t1) tmp group by tmp.a, tmp.b", "Plan": [ - "StreamAgg_17 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#7)->Column#8", - "└─Apply_33 4.00 root left outer semi join, equal:[eq(test.t1.b, test.t2.b)]", - " ├─IndexReader_35(Build) 4.00 root index:IndexFullScan_34", - " │ └─IndexFullScan_34 4.00 cop[tikv] table:t1, index:a(a, b) keep order:true", - " └─Limit_24(Probe) 3.00 root offset:0, count:3", - " └─IndexReader_29 3.00 root index:Limit_28", - " └─Limit_28 3.00 cop[tikv] offset:0, count:3", - " └─IndexRangeScan_27 3.00 cop[tikv] table:t2, index:a(a, b) range: decided by [eq(test.t2.a, test.t1.a)], keep order:false" + "StreamAgg_14 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#7)->Column#8", + "└─Apply_30 4.00 root left outer semi join, equal:[eq(test.t1.b, test.t2.b)]", + " ├─IndexReader_32(Build) 4.00 root index:IndexFullScan_31", + " │ └─IndexFullScan_31 4.00 cop[tikv] table:t1, index:a(a, b) keep order:true", + " └─Limit_21(Probe) 3.00 root offset:0, count:3", + " └─IndexReader_26 3.00 root index:Limit_25", + " └─Limit_25 3.00 cop[tikv] offset:0, count:3", + " └─IndexRangeScan_24 3.00 cop[tikv] table:t2, index:a(a, b) range: decided by [eq(test.t2.a, test.t1.a)], keep order:false" ] }, { "SQL": "select count(tmp.cmp) from (select t1.a as a, t1.b as b, (t1.b not in (select t2.b from t2 where t2.a = t1.a limit 3)) as cmp from t1) tmp group by tmp.a, tmp.b", "Plan": [ - "StreamAgg_17 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#7)->Column#8", - "└─Apply_33 4.00 root anti left outer semi join, equal:[eq(test.t1.b, test.t2.b)]", - " ├─IndexReader_35(Build) 4.00 root index:IndexFullScan_34", - " │ └─IndexFullScan_34 4.00 cop[tikv] table:t1, index:a(a, b) keep order:true", - " └─Limit_24(Probe) 3.00 root offset:0, count:3", - " └─IndexReader_29 3.00 root index:Limit_28", - " └─Limit_28 3.00 cop[tikv] offset:0, count:3", - " └─IndexRangeScan_27 3.00 cop[tikv] table:t2, index:a(a, b) range: decided by [eq(test.t2.a, test.t1.a)], keep order:false" + "StreamAgg_14 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#7)->Column#8", + "└─Apply_30 4.00 root anti left outer semi join, equal:[eq(test.t1.b, test.t2.b)]", + " ├─IndexReader_32(Build) 4.00 root index:IndexFullScan_31", + " │ └─IndexFullScan_31 4.00 cop[tikv] table:t1, index:a(a, b) keep order:true", + " └─Limit_21(Probe) 3.00 root offset:0, count:3", + " └─IndexReader_26 3.00 root index:Limit_25", + " └─Limit_25 3.00 cop[tikv] offset:0, count:3", + " └─IndexRangeScan_24 3.00 cop[tikv] table:t2, index:a(a, b) range: decided by [eq(test.t2.a, test.t1.a)], keep order:false" ] }, { "SQL": "select count(1) from t1 left join t2 on t1.a = t2.a group by t1.a, t1.b", "Plan": [ - "HashAgg_9 4.00 root group by:test.t1.a, test.t1.b, funcs:count(1)->Column#7", - "└─HashJoin_23 12.00 root left outer join, equal:[eq(test.t1.a, test.t2.a)]", - " ├─TableReader_29(Build) 4.00 root data:TableFullScan_28", - " │ └─TableFullScan_28 4.00 cop[tikv] table:t1 keep order:false", - " └─TableReader_33(Probe) 9.00 root data:TableFullScan_32", - " └─TableFullScan_32 9.00 cop[tikv] table:t2 keep order:false" + "HashAgg_7 4.00 root group by:test.t1.a, test.t1.b, funcs:count(1)->Column#7", + "└─HashJoin_20 12.00 root left outer join, equal:[eq(test.t1.a, test.t2.a)]", + " ├─TableReader_26(Build) 4.00 root data:TableFullScan_25", + " │ └─TableFullScan_25 4.00 cop[tikv] table:t1 keep order:false", + " └─TableReader_30(Probe) 9.00 root data:TableFullScan_29", + " └─TableFullScan_29 9.00 cop[tikv] table:t2 keep order:false" ] }, { "SQL": "select count(1) from t1 right join t2 on t1.a = t2.a group by t2.a, t2.b", "Plan": [ - "HashAgg_9 9.00 root group by:test.t2.a, test.t2.b, funcs:count(1)->Column#7", - "└─HashJoin_22 12.00 root right outer join, equal:[eq(test.t1.a, test.t2.a)]", - " ├─TableReader_33(Build) 4.00 root data:TableFullScan_32", - " │ └─TableFullScan_32 4.00 cop[tikv] table:t1 keep order:false", - " └─TableReader_29(Probe) 9.00 root data:TableFullScan_28", - " └─TableFullScan_28 9.00 cop[tikv] table:t2 keep order:false" + "HashAgg_7 9.00 root group by:test.t2.a, test.t2.b, funcs:count(1)->Column#7", + "└─HashJoin_19 12.00 root right outer join, equal:[eq(test.t1.a, test.t2.a)]", + " ├─TableReader_30(Build) 4.00 root data:TableFullScan_29", + " │ └─TableFullScan_29 4.00 cop[tikv] table:t1 keep order:false", + " └─TableReader_26(Probe) 9.00 root data:TableFullScan_25", + " └─TableFullScan_25 9.00 cop[tikv] table:t2 keep order:false" ] }, { "SQL": "select count(tmp.cmp) from (select t1.a as a, t1.b as b, (t1.b in (select t2.b from t2 where t2.a > t1.a)) as cmp from t1) tmp group by tmp.a, tmp.b", "Plan": [ - "HashAgg_12 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#7)->Column#8", - "└─HashJoin_15 4.00 root left outer semi join, equal:[eq(test.t1.b, test.t2.b)], other cond:gt(test.t2.a, test.t1.a)", - " ├─TableReader_21(Build) 9.00 root data:TableFullScan_20", - " │ └─TableFullScan_20 9.00 cop[tikv] table:t2 keep order:false", - " └─TableReader_17(Probe) 4.00 root data:TableFullScan_16", - " └─TableFullScan_16 4.00 cop[tikv] table:t1 keep order:false" + "HashAgg_10 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#7)->Column#8", + "└─HashJoin_12 4.00 root left outer semi join, equal:[eq(test.t1.b, test.t2.b)], other cond:gt(test.t2.a, test.t1.a)", + " ├─TableReader_18(Build) 9.00 root data:TableFullScan_17", + " │ └─TableFullScan_17 9.00 cop[tikv] table:t2 keep order:false", + " └─TableReader_14(Probe) 4.00 root data:TableFullScan_13", + " └─TableFullScan_13 4.00 cop[tikv] table:t1 keep order:false" ] }, { "SQL": "select count(tmp.cmp) from (select t1.a as a, t1.b as b, (t1.b not in (select t2.b from t2 where t2.a > t1.a)) as cmp from t1) tmp group by tmp.a, tmp.b", "Plan": [ - "HashAgg_12 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#7)->Column#8", - "└─HashJoin_15 4.00 root anti left outer semi join, equal:[eq(test.t1.b, test.t2.b)], other cond:gt(test.t2.a, test.t1.a)", - " ├─TableReader_21(Build) 9.00 root data:TableFullScan_20", - " │ └─TableFullScan_20 9.00 cop[tikv] table:t2 keep order:false", - " └─TableReader_17(Probe) 4.00 root data:TableFullScan_16", - " └─TableFullScan_16 4.00 cop[tikv] table:t1 keep order:false" + "HashAgg_10 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#7)->Column#8", + "└─HashJoin_12 4.00 root anti left outer semi join, equal:[eq(test.t1.b, test.t2.b)], other cond:gt(test.t2.a, test.t1.a)", + " ├─TableReader_18(Build) 9.00 root data:TableFullScan_17", + " │ └─TableFullScan_17 9.00 cop[tikv] table:t2 keep order:false", + " └─TableReader_14(Probe) 4.00 root data:TableFullScan_13", + " └─TableFullScan_13 4.00 cop[tikv] table:t1 keep order:false" ] }, { @@ -274,10 +274,10 @@ { "SQL": "select count(tmp.a_sum) from (select t1.a as a, t1.b as b, sum(a) over() as a_sum from t1) tmp group by tmp.a, tmp.b", "Plan": [ - "HashAgg_11 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#5)->Column#6", - "└─Window_12 4.00 root sum(cast(test.t1.a, decimal(32,0) BINARY))->Column#5 over()", - " └─TableReader_14 4.00 root data:TableFullScan_13", - " └─TableFullScan_13 4.00 cop[tikv] table:t1 keep order:false" + "HashAgg_9 4.00 root group by:test.t1.a, test.t1.b, funcs:count(Column#5)->Column#6", + "└─Window_10 4.00 root sum(cast(test.t1.a, decimal(32,0) BINARY))->Column#5 over()", + " └─TableReader_12 4.00 root data:TableFullScan_11", + " └─TableFullScan_11 4.00 cop[tikv] table:t1 keep order:false" ] } ] diff --git a/util/ranger/testdata/ranger_suite_out.json b/util/ranger/testdata/ranger_suite_out.json index 0e6947af373d1..4e04474b8d3b7 100644 --- a/util/ranger/testdata/ranger_suite_out.json +++ b/util/ranger/testdata/ranger_suite_out.json @@ -9,12 +9,12 @@ "└─Apply_13 2.00 root CARTESIAN left outer semi join, other cond:eq(test.t.e, Column#16)", " ├─TableReader_15(Build) 2.00 root data:TableFullScan_14", " │ └─TableFullScan_14 2.00 cop[tikv] table:t keep order:false", - " └─StreamAgg_20(Probe) 1.00 root funcs:count(1)->Column#16", - " └─HashJoin_47 2.00 root inner join, equal:[eq(test.t.a, test.t.a)]", - " ├─TableReader_35(Build) 2.00 root data:TableFullScan_34", - " │ └─TableFullScan_34 2.00 cop[tikv] table:t1 keep order:false", - " └─IndexReader_33(Probe) 2.00 root index:IndexRangeScan_32", - " └─IndexRangeScan_32 2.00 cop[tikv] table:s, index:idx(b, c, d) range: decided by [eq(test.t.b, 1) in(test.t.c, 1, 2) eq(test.t.d, test.t.a)], keep order:false" + " └─StreamAgg_17(Probe) 1.00 root funcs:count(1)->Column#16", + " └─HashJoin_44 2.00 root inner join, equal:[eq(test.t.a, test.t.a)]", + " ├─TableReader_32(Build) 2.00 root data:TableFullScan_31", + " │ └─TableFullScan_31 2.00 cop[tikv] table:t1 keep order:false", + " └─IndexReader_30(Probe) 2.00 root index:IndexRangeScan_29", + " └─IndexRangeScan_29 2.00 cop[tikv] table:s, index:idx(b, c, d) range: decided by [eq(test.t.b, 1) in(test.t.c, 1, 2) eq(test.t.d, test.t.a)], keep order:false" ] }, { From 01a39ae67102d5ebf6d5d9424f41001a4764fcb9 Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Tue, 22 Dec 2020 17:03:59 +0800 Subject: [PATCH 0536/1021] expression: fix wrong type inferring for ceiling function. (#21920) --- ddl/db_partition_test.go | 2 ++ expression/builtin_math.go | 6 ++---- expression/builtin_math_vec_test.go | 6 +++--- expression/typeinfer_test.go | 14 +++++++------- 4 files changed, 14 insertions(+), 14 deletions(-) diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index 27c7502adc012..0b8e4adbba08b 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -355,6 +355,8 @@ func (s *testIntegrationSuite2) TestCreateTableWithHashPartition(c *C) { // Fix create partition table using extract() function as partition key. tk.MustExec("create table t2 (a date, b datetime) partition by hash (EXTRACT(YEAR_MONTH FROM a)) partitions 7") + tk.MustExec("create table t3 (a int, b int) partition by hash(ceiling(a-b)) partitions 10") + tk.MustExec("create table t4 (a int, b int) partition by hash(floor(a-b)) partitions 10") } func (s *testIntegrationSuite7) TestCreateTableWithRangeColumnPartition(c *C) { diff --git a/expression/builtin_math.go b/expression/builtin_math.go index fdfb5584b3c37..c2a33c4fd86f6 100644 --- a/expression/builtin_math.go +++ b/expression/builtin_math.go @@ -643,9 +643,7 @@ func getEvalTp4FloorAndCeil(arg Expression) (retTp, argTp types.EvalType) { retTp, argTp = types.ETInt, fieldTp.EvalType() switch argTp { case types.ETInt: - if fieldTp.Tp == mysql.TypeLonglong { - retTp = types.ETDecimal - } + retTp = types.ETInt case types.ETDecimal: if fieldTp.Flen-fieldTp.Decimal > mysql.MaxIntWidth-2 { // len(math.MaxInt64) - 1 retTp = types.ETDecimal @@ -659,7 +657,7 @@ func getEvalTp4FloorAndCeil(arg Expression) (retTp, argTp types.EvalType) { // setFlag4FloorAndCeil sets return flag of FLOOR and CEIL. func setFlag4FloorAndCeil(tp *types.FieldType, arg Expression) { fieldTp := arg.GetType() - if (fieldTp.Tp == mysql.TypeLong || fieldTp.Tp == mysql.TypeNewDecimal) && mysql.HasUnsignedFlag(fieldTp.Flag) { + if (fieldTp.Tp == mysql.TypeLong || fieldTp.Tp == mysql.TypeLonglong || fieldTp.Tp == mysql.TypeNewDecimal) && mysql.HasUnsignedFlag(fieldTp.Flag) { tp.Flag |= mysql.UnsignedFlag } // TODO: when argument type is timestamp, add not null flag. diff --git a/expression/builtin_math_vec_test.go b/expression/builtin_math_vec_test.go index 66d79a0534e01..5c9f8aa4dd010 100644 --- a/expression/builtin_math_vec_test.go +++ b/expression/builtin_math_vec_test.go @@ -101,15 +101,15 @@ var vecBuiltinMathCases = map[string][]vecExprBenchCase{ {retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETReal}, geners: nil}, {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt}, childrenFieldTypes: []*types.FieldType{{Tp: mysql.TypeInt24}}, geners: nil}, {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETDecimal}, geners: nil}, - {retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETInt}, geners: nil}, - {retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETInt}, childrenFieldTypes: []*types.FieldType{{Tp: mysql.TypeLonglong, Flag: mysql.UnsignedFlag}}, geners: nil}, + {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt}, geners: nil}, + {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt}, childrenFieldTypes: []*types.FieldType{{Tp: mysql.TypeLonglong, Flag: mysql.UnsignedFlag}}, geners: nil}, {retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETDecimal}, childrenFieldTypes: []*types.FieldType{{Tp: mysql.TypeNewDecimal, Flen: 32, Decimal: 2}}, geners: nil}, }, ast.Ceil: { {retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETReal}, geners: nil}, {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt}, childrenFieldTypes: []*types.FieldType{{Tp: mysql.TypeInt24}}, geners: nil}, {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETDecimal}, geners: nil}, - {retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETInt}, geners: nil}, + {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt}, geners: nil}, {retEvalType: types.ETDecimal, childrenTypes: []types.EvalType{types.ETDecimal}, childrenFieldTypes: []*types.FieldType{{Tp: mysql.TypeNewDecimal, Flen: 32, Decimal: 2}}, geners: nil}, }, ast.PI: { diff --git a/expression/typeinfer_test.go b/expression/typeinfer_test.go index ccefbb5751ce1..f5abbd9f4657f 100644 --- a/expression/typeinfer_test.go +++ b/expression/typeinfer_test.go @@ -522,8 +522,8 @@ func (s *testInferTypeSuite) createTestCase4MathFuncs() []typeInferTestCase { {"floor(c_int_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 11, 0}, {"floor(c_uint_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.UnsignedFlag | mysql.BinaryFlag, 10, 0}, - {"floor(c_bigint_d)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 20, 0}, // TODO: Flen should be 17 - {"floor(c_ubigint_d)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 20, 0}, // TODO: Flen should be 17 + {"floor(c_bigint_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 20, 0}, // TODO: Flen should be 17 + {"floor(c_ubigint_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.UnsignedFlag | mysql.BinaryFlag, 20, 0}, // TODO: Flen should be 17 {"floor(c_decimal)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 6, 0}, {"floor(c_udecimal)", mysql.TypeLonglong, charset.CharsetBin, mysql.UnsignedFlag | mysql.BinaryFlag, 10, 0}, {"floor(c_double_d)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, 22, 0}, @@ -535,13 +535,13 @@ func (s *testInferTypeSuite) createTestCase4MathFuncs() []typeInferTestCase { {"floor(c_time_d)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, 0}, {"floor(c_enum)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, 0}, {"floor(c_text_d)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, 0}, - {"floor(18446744073709551615)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 20, 0}, + {"floor(18446744073709551615)", mysql.TypeLonglong, charset.CharsetBin, mysql.UnsignedFlag | mysql.BinaryFlag, 20, 0}, {"floor(18446744073709551615.1)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 22, 0}, {"ceil(c_int_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 11, 0}, {"ceil(c_uint_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.UnsignedFlag | mysql.BinaryFlag, 10, 0}, - {"ceil(c_bigint_d)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 20, 0}, // TODO: Flen should be 17 - {"ceil(c_ubigint_d)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 20, 0}, // TODO: Flen should be 17 + {"ceil(c_bigint_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 20, 0}, // TODO: Flen should be 17 + {"ceil(c_ubigint_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.UnsignedFlag | mysql.BinaryFlag, 20, 0}, // TODO: Flen should be 17 {"ceil(c_decimal)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 6, 0}, {"floor(c_udecimal)", mysql.TypeLonglong, charset.CharsetBin, mysql.UnsignedFlag | mysql.BinaryFlag, 10, 0}, {"ceil(c_double_d)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, 22, 0}, @@ -553,7 +553,7 @@ func (s *testInferTypeSuite) createTestCase4MathFuncs() []typeInferTestCase { {"ceil(c_time_d)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, 0}, {"ceil(c_enum)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, 0}, {"ceil(c_text_d)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, 0}, - {"ceil(18446744073709551615)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 20, 0}, + {"ceil(18446744073709551615)", mysql.TypeLonglong, charset.CharsetBin, mysql.UnsignedFlag | mysql.BinaryFlag, 20, 0}, {"ceil(18446744073709551615.1)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 22, 0}, {"ceiling(c_int_d)", mysql.TypeLonglong, charset.CharsetBin, mysql.BinaryFlag, 11, 0}, @@ -564,7 +564,7 @@ func (s *testInferTypeSuite) createTestCase4MathFuncs() []typeInferTestCase { {"ceiling(c_time_d)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, 0}, {"ceiling(c_enum)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, 0}, {"ceiling(c_text_d)", mysql.TypeDouble, charset.CharsetBin, mysql.BinaryFlag, mysql.MaxRealWidth, 0}, - {"ceiling(18446744073709551615)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 20, 0}, + {"ceiling(18446744073709551615)", mysql.TypeLonglong, charset.CharsetBin, mysql.UnsignedFlag | mysql.BinaryFlag, 20, 0}, {"ceiling(18446744073709551615.1)", mysql.TypeNewDecimal, charset.CharsetBin, mysql.BinaryFlag, 22, 0}, {"conv(c_char, c_int_d, c_int_d)", mysql.TypeVarString, charset.CharsetUTF8MB4, 0, 64, types.UnspecifiedLength}, From db7757602f45e3f68f304dc3ed974c70275f0861 Mon Sep 17 00:00:00 2001 From: cfzjywxk Date: Tue, 22 Dec 2020 17:20:00 +0800 Subject: [PATCH 0537/1021] txn: add pessimistic retry logic for amend pessimistic lock phase (#21925) --- session/pessimistic_test.go | 39 +++++++++++++++++++++++++++++++++ store/tikv/2pc.go | 43 +++++++++++++++++++++++++++++-------- 2 files changed, 73 insertions(+), 9 deletions(-) diff --git a/session/pessimistic_test.go b/session/pessimistic_test.go index 009393a0fe91b..36f5dc1693708 100644 --- a/session/pessimistic_test.go +++ b/session/pessimistic_test.go @@ -2220,4 +2220,43 @@ func (s *testPessimisticSuite) TestAmendForUniqueIndex(c *C) { tk.MustExec("commit") tk2.MustExec("admin check table t") */ + + // Test pessimistic retry for unique index amend. + tk2.MustExec("drop table if exists t;") + tk2.MustExec("create table t (id int key, c int);") + tk2.MustExec("insert into t (id, c) values (1, 1), (2, 2);") + tk.MustExec("begin pessimistic") + tk2.MustExec("alter table t add unique index uk(c)") + tk.MustExec("insert into t values(3, 5)") + tk.MustExec("update t set c = 4 where c = 2") + errCh := make(chan error, 1) + go func() { + var err error + err = tk2.ExecToErr("begin pessimistic") + if err != nil { + errCh <- err + return + } + err = tk2.ExecToErr("insert into t values(5, 5)") + if err != nil { + errCh <- err + return + } + err = tk2.ExecToErr("delete from t where id = 5") + if err != nil { + errCh <- err + return + } + // let commit in tk start. + errCh <- err + time.Sleep(time.Millisecond * 100) + err = tk2.ExecToErr("commit") + errCh <- err + }() + err = <-errCh + c.Assert(err, Equals, nil) + tk.MustExec("commit") + tk2.MustExec("admin check table t") + err = <-errCh + c.Assert(err, Equals, nil) } diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index 9180ca86700f7..4d138ce6d01c0 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -1337,20 +1337,45 @@ func (c *twoPhaseCommitter) amendPessimisticLock(ctx context.Context, addMutatio c.doingAmend = true defer func() { c.doingAmend = false }() if keysNeedToLock.Len() > 0 { - pessimisticLockBo := NewBackofferWithVars(ctx, pessimisticLockMaxBackoff, c.txn.vars) lCtx := &kv.LockCtx{ - ForUpdateTS: c.forUpdateTS, - LockWaitTime: kv.LockNoWait, + Killed: c.lockCtx.Killed, + ForUpdateTS: c.forUpdateTS, + LockWaitTime: c.lockCtx.LockWaitTime, + WaitStartTime: time.Now(), + } + tryTimes := uint(0) + retryLimit := config.GetGlobalConfig().PessimisticTxn.MaxRetryCount + var err error + for tryTimes < retryLimit { + pessimisticLockBo := NewBackofferWithVars(ctx, pessimisticLockMaxBackoff, c.txn.vars) + err = c.pessimisticLockMutations(pessimisticLockBo, lCtx, &keysNeedToLock) + if err != nil { + // KeysNeedToLock won't change, so don't async rollback pessimistic locks here for write conflict. + if terror.ErrorEqual(kv.ErrWriteConflict, err) { + newForUpdateTSVer, err := c.store.CurrentVersion(oracle.GlobalTxnScope) + if err != nil { + return errors.Trace(err) + } + lCtx.ForUpdateTS = newForUpdateTSVer.Ver + c.forUpdateTS = newForUpdateTSVer.Ver + logutil.Logger(ctx).Info("amend pessimistic lock pessimistic retry lock", + zap.Uint("tryTimes", tryTimes), zap.Uint64("startTS", c.startTS), + zap.Uint64("newForUpdateTS", c.forUpdateTS)) + tryTimes++ + continue + } + logutil.Logger(ctx).Warn("amend pessimistic lock has failed", zap.Error(err), zap.Uint64("txnStartTS", c.startTS)) + return err + } + logutil.Logger(ctx).Info("amend pessimistic lock finished", zap.Uint64("startTS", c.startTS), + zap.Uint64("forUpdateTS", c.forUpdateTS), zap.Int("keys", keysNeedToLock.Len())) + break } - err := c.pessimisticLockMutations(pessimisticLockBo, lCtx, &keysNeedToLock) if err != nil { - logutil.Logger(ctx).Warn("amend pessimistic lock has failed", zap.Error(err), zap.Uint64("txnStartTS", c.startTS)) + logutil.Logger(ctx).Warn("amend pessimistic lock failed after retry", + zap.Uint("tryTimes", tryTimes), zap.Uint64("startTS", c.startTS)) return err } - logutil.Logger(ctx).Info("amendPessimisticLock finished", - zap.Uint64("startTs", c.startTS), - zap.Uint64("forUpdateTS", c.forUpdateTS), - zap.Int("keys", keysNeedToLock.Len())) } return nil } From c843da98b76859989fda10a238269308b945f3c2 Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Tue, 22 Dec 2020 19:16:56 +0800 Subject: [PATCH 0538/1021] bindinfo: enforce default_db to lower case for SQL bind operations (#21861) --- bindinfo/bind_test.go | 86 ++++++++++++++++++++++++++++++++++++++ bindinfo/handle.go | 11 +++-- bindinfo/session_handle.go | 3 ++ 3 files changed, 96 insertions(+), 4 deletions(-) diff --git a/bindinfo/bind_test.go b/bindinfo/bind_test.go index 95c14ababd3f4..6326bc2b85b54 100644 --- a/bindinfo/bind_test.go +++ b/bindinfo/bind_test.go @@ -943,6 +943,92 @@ func (s *testSuite) TestCaptureDBCaseSensitivity(c *C) { c.Assert(rows[0][8], Equals, "manual") } +func (s *testSuite) TestBaselineDBLowerCase(c *C) { + tk := testkit.NewTestKit(c, s.store) + s.cleanBindingEnv(tk) + stmtsummary.StmtSummaryByDigestMap.Clear() + tk.MustExec("drop database if exists SPM") + tk.MustExec("create database SPM") + tk.MustExec("use SPM") + tk.MustExec("create table t(a int, b int)") + c.Assert(tk.Se.Auth(&auth.UserIdentity{Username: "root", Hostname: "%"}, nil, nil), IsTrue) + tk.MustExec("update t set a = a + 1") + tk.MustExec("update t set a = a + 1") + tk.MustExec("admin capture bindings") + rows := tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 1) + c.Assert(rows[0][0], Equals, "update t set a = a + ?") + // default_db should have lower case. + c.Assert(rows[0][2], Equals, "spm") + tk.MustExec("drop global binding for update t set a = a + 1") + rows = tk.MustQuery("show global bindings").Rows() + // DROP GLOBAL BINGING should remove the binding even if we are in SPM database. + c.Assert(len(rows), Equals, 0) + + tk.MustExec("create global binding for select * from t using select * from t") + rows = tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 1) + c.Assert(rows[0][0], Equals, "select * from t") + // default_db should have lower case. + c.Assert(rows[0][2], Equals, "spm") + tk.MustExec("drop global binding for select * from t") + rows = tk.MustQuery("show global bindings").Rows() + // DROP GLOBAL BINGING should remove the binding even if we are in SPM database. + c.Assert(len(rows), Equals, 0) + + tk.MustExec("create session binding for select * from t using select * from t") + rows = tk.MustQuery("show session bindings").Rows() + c.Assert(len(rows), Equals, 1) + c.Assert(rows[0][0], Equals, "select * from t") + // default_db should have lower case. + c.Assert(rows[0][2], Equals, "spm") + tk.MustExec("drop session binding for select * from t") + rows = tk.MustQuery("show session bindings").Rows() + // DROP SESSION BINGING should remove the binding even if we are in SPM database. + c.Assert(len(rows), Equals, 0) + + s.cleanBindingEnv(tk) + // Simulate existing bindings with upper case default_db. + tk.MustExec("insert into mysql.bind_info values('select * from t', 'select * from t', 'SPM', 'using', '2000-01-01 09:00:00', '2000-01-01 09:00:00', '', '','" + + bindinfo.Manual + "')") + tk.MustQuery("select original_sql, default_db from mysql.bind_info where original_sql = 'select * from t'").Check(testkit.Rows( + "select * from t SPM", + )) + tk.MustExec("admin reload bindings") + rows = tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 1) + c.Assert(rows[0][0], Equals, "select * from t") + // default_db should have lower case. + c.Assert(rows[0][2], Equals, "spm") + tk.MustExec("drop global binding for select * from t") + rows = tk.MustQuery("show global bindings").Rows() + // DROP GLOBAL BINGING should remove the binding even if we are in SPM database. + c.Assert(len(rows), Equals, 0) + + s.cleanBindingEnv(tk) + // Simulate existing bindings with upper case default_db. + tk.MustExec("insert into mysql.bind_info values('select * from t', 'select * from t', 'SPM', 'using', '2000-01-01 09:00:00', '2000-01-01 09:00:00', '', '','" + + bindinfo.Manual + "')") + tk.MustQuery("select original_sql, default_db from mysql.bind_info where original_sql = 'select * from t'").Check(testkit.Rows( + "select * from t SPM", + )) + tk.MustExec("admin reload bindings") + rows = tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 1) + c.Assert(rows[0][0], Equals, "select * from t") + // default_db should have lower case. + c.Assert(rows[0][2], Equals, "spm") + tk.MustExec("create global binding for select * from t using select * from t") + rows = tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 1) + c.Assert(rows[0][0], Equals, "select * from t") + // default_db should have lower case. + c.Assert(rows[0][2], Equals, "spm") + tk.MustQuery("select original_sql, default_db, status from mysql.bind_info where original_sql = 'select * from t'").Check(testkit.Rows( + "select * from t spm using", + )) +} + func (s *testSuite) TestCaptureBaselinesDefaultDB(c *C) { tk := testkit.NewTestKit(c, s.store) s.cleanBindingEnv(tk) diff --git a/bindinfo/handle.go b/bindinfo/handle.go index 0456e0b69a7cb..93d226367e1e7 100644 --- a/bindinfo/handle.go +++ b/bindinfo/handle.go @@ -181,6 +181,7 @@ func (h *BindHandle) CreateBindRecord(sctx sessionctx.Context, record *BindRecor return err } + record.Db = strings.ToLower(record.Db) h.bindInfo.Lock() h.sctx.Lock() defer func() { @@ -241,6 +242,7 @@ func (h *BindHandle) AddBindRecord(sctx sessionctx.Context, record *BindRecord) return err } + record.Db = strings.ToLower(record.Db) oldRecord := h.GetBindRecord(parser.DigestNormalized(record.OriginalSQL), record.OriginalSQL, record.Db) var duplicateBinding *Binding if oldRecord != nil { @@ -313,6 +315,7 @@ func (h *BindHandle) AddBindRecord(sctx sessionctx.Context, record *BindRecord) // DropBindRecord drops a BindRecord to the storage and BindRecord int the cache. func (h *BindHandle) DropBindRecord(originalSQL, db string, binding *Binding) (err error) { + db = strings.ToLower(db) h.bindInfo.Lock() h.sctx.Lock() defer func() { @@ -470,7 +473,7 @@ func (h *BindHandle) newBindRecord(row chunk.Row) (string, *BindRecord, error) { } bindRecord := &BindRecord{ OriginalSQL: row.GetString(0), - Db: row.GetString(2), + Db: strings.ToLower(row.GetString(2)), Bindings: []Binding{hint}, } hash := parser.DigestNormalized(bindRecord.OriginalSQL) @@ -565,7 +568,7 @@ func copyBindRecordUpdateMap(oldMap map[string]*bindRecordUpdate) map[string]*bi func (c cache) getBindRecord(hash, normdOrigSQL, db string) *BindRecord { bindRecords := c[hash] for _, bindRecord := range bindRecords { - if bindRecord.OriginalSQL == normdOrigSQL && strings.EqualFold(bindRecord.Db, db) { + if bindRecord.OriginalSQL == normdOrigSQL && bindRecord.Db == db { return bindRecord } } @@ -574,7 +577,7 @@ func (c cache) getBindRecord(hash, normdOrigSQL, db string) *BindRecord { func (h *BindHandle) deleteBindInfoSQL(normdOrigSQL, db, bindSQL string) string { sql := fmt.Sprintf( - `DELETE FROM mysql.bind_info WHERE original_sql=%s AND default_db=%s`, + `DELETE FROM mysql.bind_info WHERE original_sql=%s AND LOWER(default_db)=%s`, expression.Quote(normdOrigSQL), expression.Quote(db), ) @@ -607,7 +610,7 @@ func (h *BindHandle) lockBindInfoSQL() string { func (h *BindHandle) logicalDeleteBindInfoSQL(originalSQL, db string, updateTs types.Time, bindingSQL string) string { updateTsStr := updateTs.String() - sql := fmt.Sprintf(`UPDATE mysql.bind_info SET status=%s,update_time=%s WHERE original_sql=%s and default_db=%s and update_time<%s`, + sql := fmt.Sprintf(`UPDATE mysql.bind_info SET status=%s,update_time=%s WHERE original_sql=%s and LOWER(default_db)=%s and update_time<%s`, expression.Quote(deleted), expression.Quote(updateTsStr), expression.Quote(originalSQL), diff --git a/bindinfo/session_handle.go b/bindinfo/session_handle.go index a594e3270a53a..dc196ccadde39 100644 --- a/bindinfo/session_handle.go +++ b/bindinfo/session_handle.go @@ -14,6 +14,7 @@ package bindinfo import ( + "strings" "time" "github.com/pingcap/parser" @@ -51,6 +52,7 @@ func (h *SessionHandle) CreateBindRecord(sctx sessionctx.Context, record *BindRe if err != nil { return err } + record.Db = strings.ToLower(record.Db) now := types.NewTime(types.FromGoTime(time.Now().In(sctx.GetSessionVars().StmtCtx.TimeZone)), mysql.TypeTimestamp, 3) for i := range record.Bindings { record.Bindings[i].CreateTime = now @@ -64,6 +66,7 @@ func (h *SessionHandle) CreateBindRecord(sctx sessionctx.Context, record *BindRe // DropBindRecord drops a BindRecord in the cache. func (h *SessionHandle) DropBindRecord(originalSQL, db string, binding *Binding) error { + db = strings.ToLower(db) oldRecord := h.GetBindRecord(originalSQL, db) var newRecord *BindRecord record := &BindRecord{OriginalSQL: originalSQL, Db: db} From 392043ae151e1771a8d5077b3c09a2290b265311 Mon Sep 17 00:00:00 2001 From: crazycs Date: Tue, 22 Dec 2020 19:59:27 +0800 Subject: [PATCH 0539/1021] fix cop stats string display when there is only 1 rpc (#21901) --- distsql/distsql_test.go | 11 +++++++++++ distsql/select_result.go | 14 +++++++------- 2 files changed, 18 insertions(+), 7 deletions(-) diff --git a/distsql/distsql_test.go b/distsql/distsql_test.go index 4ee7a84f93b9f..e28e35046dc8a 100644 --- a/distsql/distsql_test.go +++ b/distsql/distsql_test.go @@ -191,6 +191,17 @@ func (s *testSuite) TestSelectResultRuntimeStats(c *C) { c.Assert(stats.String(), Equals, expect) // Test for idempotence. c.Assert(stats.String(), Equals, expect) + + s1 = &selectResultRuntimeStats{ + copRespTime: []time.Duration{time.Second}, + procKeys: []int64{100}, + backoffSleep: map[string]time.Duration{"RegionMiss": time.Millisecond}, + totalProcessTime: time.Second, + totalWaitTime: time.Second, + rpcStat: tikv.NewRegionRequestRuntimeStats(), + } + expect = "cop_task: {num: 1, max: 1s, proc_keys: 100, tot_proc: 1s, tot_wait: 1s, copr_cache_hit_ratio: 0.00}, backoff{RegionMiss: 1ms}" + c.Assert(s1.String(), Equals, expect) } func (s *testSuite) createSelectStreaming(batch, totalRows int, c *C) (*streamResult, []*types.FieldType) { diff --git a/distsql/select_result.go b/distsql/select_result.go index d9ebf879881e2..5e1278a188493 100644 --- a/distsql/select_result.go +++ b/distsql/select_result.go @@ -435,13 +435,13 @@ func (s *selectResultRuntimeStats) String() string { buf.WriteString(", p95_proc_keys: ") buf.WriteString(strconv.FormatInt(keyP95, 10)) } - if s.totalProcessTime > 0 { - buf.WriteString(", tot_proc: ") - buf.WriteString(execdetails.FormatDuration(s.totalProcessTime)) - if s.totalWaitTime > 0 { - buf.WriteString(", tot_wait: ") - buf.WriteString(execdetails.FormatDuration(s.totalWaitTime)) - } + } + if s.totalProcessTime > 0 { + buf.WriteString(", tot_proc: ") + buf.WriteString(execdetails.FormatDuration(s.totalProcessTime)) + if s.totalWaitTime > 0 { + buf.WriteString(", tot_wait: ") + buf.WriteString(execdetails.FormatDuration(s.totalWaitTime)) } } copRPC := rpcStat.Stats[tikvrpc.CmdCop] From 49791bc3f5f859b8e6216bcf49a18f1e4bc2221e Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Wed, 23 Dec 2020 10:53:30 +0800 Subject: [PATCH 0540/1021] expression: do not rewrite `like` to `=` if new collation is enabled (#21893) --- expression/integration_test.go | 13 +++++++++++++ planner/core/expression_rewriter.go | 4 ++-- util/ranger/ranger_test.go | 8 ++++---- 3 files changed, 19 insertions(+), 6 deletions(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index 6881742a4d602..f8cdf73721f7b 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -8375,6 +8375,19 @@ func (s *testIntegrationSuite) TestIssue12205(c *C) { testkit.Rows("Warning 1292 Truncated incorrect time value: '18446744072635875000'")) } +func (s *testIntegrationSerialSuite) TestLikeWithCollation(c *C) { + tk := testkit.NewTestKit(c, s.store) + collate.SetNewCollationEnabledForTest(true) + defer collate.SetNewCollationEnabledForTest(false) + + tk.MustQuery(`select 'a' like 'A' collate utf8mb4_unicode_ci;`).Check(testkit.Rows("1")) + tk.MustGetErrMsg(`select 'a' collate utf8mb4_bin like 'A' collate utf8mb4_unicode_ci;`, "[expression:1270]Illegal mix of collations (utf8mb4_bin,EXPLICIT), (utf8mb4_unicode_ci,EXPLICIT), (utf8mb4_bin,NUMERIC) for operation 'like'") + tk.MustQuery(`select '😛' collate utf8mb4_general_ci like '😋';`).Check(testkit.Rows("1")) + tk.MustQuery(`select '😛' collate utf8mb4_general_ci = '😋';`).Check(testkit.Rows("1")) + tk.MustQuery(`select '😛' collate utf8mb4_unicode_ci like '😋';`).Check(testkit.Rows("0")) + tk.MustQuery(`select '😛' collate utf8mb4_unicode_ci = '😋';`).Check(testkit.Rows("1")) +} + func (s *testIntegrationSuite) TestIssue11333(c *C) { defer s.cleanEnv(c) tk := testkit.NewTestKit(c, s.store) diff --git a/planner/core/expression_rewriter.go b/planner/core/expression_rewriter.go index 65e4982241bf0..e4d776d28a936 100644 --- a/planner/core/expression_rewriter.go +++ b/planner/core/expression_rewriter.go @@ -1482,8 +1482,8 @@ func (er *expressionRewriter) patternLikeToExpression(v *ast.PatternLikeExpr) { var function expression.Expression fieldType := &types.FieldType{} isPatternExactMatch := false - // Treat predicate 'like' the same way as predicate '=' when it is an exact match. - if patExpression, ok := er.ctxStack[l-1].(*expression.Constant); ok { + // Treat predicate 'like' the same way as predicate '=' when it is an exact match and new collation is not enabled. + if patExpression, ok := er.ctxStack[l-1].(*expression.Constant); ok && !collate.NewCollationEnabled() { patString, isNull, err := patExpression.EvalString(nil, chunk.Row{}) if err != nil { er.err = err diff --git a/util/ranger/ranger_test.go b/util/ranger/ranger_test.go index 4a604c10e958a..9cf7754161a9a 100644 --- a/util/ranger/ranger_test.go +++ b/util/ranger/ranger_test.go @@ -377,14 +377,14 @@ create table t( { indexPos: 0, exprStr: "a LIKE 'abc'", - accessConds: "[eq(test.t.a, abc)]", + accessConds: "[like(test.t.a, abc, 92)]", filterConds: "[]", resultStr: "[[\"abc\",\"abc\"]]", }, { indexPos: 0, exprStr: `a LIKE "ab\_c"`, - accessConds: "[eq(test.t.a, ab_c)]", + accessConds: "[like(test.t.a, ab\\_c, 92)]", filterConds: "[]", resultStr: "[[\"ab_c\",\"ab_c\"]]", }, @@ -398,14 +398,14 @@ create table t( { indexPos: 0, exprStr: `a LIKE '\%a'`, - accessConds: "[eq(test.t.a, %a)]", + accessConds: "[like(test.t.a, \\%a, 92)]", filterConds: "[]", resultStr: `[["%a","%a"]]`, }, { indexPos: 0, exprStr: `a LIKE "\\"`, - accessConds: "[eq(test.t.a, \\)]", + accessConds: "[like(test.t.a, \\, 92)]", filterConds: "[]", resultStr: "[[\"\\\",\"\\\"]]", }, From 1f16f74bd92fc8f99e12deea5aeec4479a23d4a5 Mon Sep 17 00:00:00 2001 From: crazycs Date: Wed, 23 Dec 2020 11:21:53 +0800 Subject: [PATCH 0541/1021] planner: add special partition pruner for list columns partition (#21577) --- executor/partition_table_test.go | 41 +- planner/core/partition_pruner_test.go | 264 ++++- planner/core/rule_partition_processor.go | 249 ++++- .../core/testdata/partition_pruner_in.json | 234 ++++- .../core/testdata/partition_pruner_out.json | 959 +++++++++++++++++- table/tables/partition.go | 504 ++++++--- 6 files changed, 2028 insertions(+), 223 deletions(-) diff --git a/executor/partition_table_test.go b/executor/partition_table_test.go index e358ee49a55e3..7170bde8ad20f 100644 --- a/executor/partition_table_test.go +++ b/executor/partition_table_test.go @@ -56,19 +56,34 @@ partition p2 values less than (10))`) func (s *partitionTableSuite) TestPartitionIndexJoin(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) - tk.MustExec("drop table if exists p, t") - tk.MustExec(`create table p (id int, c int, key i_id(id), key i_c(c)) partition by range (c) ( -partition p0 values less than (4), -partition p1 values less than (7), -partition p2 values less than (10))`) - tk.MustExec("create table t (id int)") - tk.MustExec("insert into p values (3,3), (4,4), (6,6), (9,9)") - tk.MustExec("insert into t values (4), (9)") - - // Build indexLookUp in index join - tk.MustQuery("select /*+ INL_JOIN(p) */ * from p, t where p.id = t.id").Sort().Check(testkit.Rows("4 4 4", "9 9 9")) - // Build index reader in index join - tk.MustQuery("select /*+ INL_JOIN(p) */ p.id from p, t where p.id = t.id").Check(testkit.Rows("4", "9")) + for i := 0; i < 3; i++ { + tk.MustExec("drop table if exists p, t") + if i == 0 { + // Test for range partition + tk.MustExec(`create table p (id int, c int, key i_id(id), key i_c(c)) partition by range (c) ( + partition p0 values less than (4), + partition p1 values less than (7), + partition p2 values less than (10))`) + } else if i == 1 { + // Test for list partition + tk.MustExec(`create table p (id int, c int, key i_id(id), key i_c(c)) partition by list (c) ( + partition p0 values in (1,2,3,4), + partition p1 values in (5,6,7), + partition p2 values in (8, 9,10))`) + } else { + // Test for hash partition + tk.MustExec(`create table p (id int, c int, key i_id(id), key i_c(c)) partition by hash(c) partitions 5;`) + } + + tk.MustExec("create table t (id int)") + tk.MustExec("insert into p values (3,3), (4,4), (6,6), (9,9)") + tk.MustExec("insert into t values (4), (9)") + + // Build indexLookUp in index join + tk.MustQuery("select /*+ INL_JOIN(p) */ * from p, t where p.id = t.id").Sort().Check(testkit.Rows("4 4 4", "9 9 9")) + // Build index reader in index join + tk.MustQuery("select /*+ INL_JOIN(p) */ p.id from p, t where p.id = t.id").Check(testkit.Rows("4", "9")) + } } func (s *partitionTableSuite) TestPartitionUnionScanIndexJoin(c *C) { diff --git a/planner/core/partition_pruner_test.go b/planner/core/partition_pruner_test.go index 26bf0a3c414ec..f8fe34768d49e 100644 --- a/planner/core/partition_pruner_test.go +++ b/planner/core/partition_pruner_test.go @@ -14,7 +14,10 @@ package core_test import ( + "bytes" "fmt" + "math/rand" + "sort" "strings" . "github.com/pingcap/check" @@ -166,6 +169,16 @@ func (s *testPartitionPruneSuit) TestListColumnsPartitionPruner(c *C) { tk.MustExec("insert into t1 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,10,null)") tk.MustExec("insert into t2 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)") + // tk1 use to test partition table with index. + tk1 := testkit.NewTestKit(c, s.store) + tk1.MustExec("drop database if exists test_partition_1;") + tk1.MustExec("create database test_partition_1") + tk1.MustExec("use test_partition_1") + tk1.MustExec("create table t1 (id int, a int, b int, unique key (a,b,id)) partition by list columns (b,a) (partition p0 values in ((1,1),(2,2),(3,3),(4,4),(5,5)), partition p1 values in ((6,6),(7,7),(8,8),(9,9),(10,10),(null,10)));") + tk1.MustExec("create table t2 (id int, a int, b int, unique key (a,b,id)) partition by list columns (id,a,b) (partition p0 values in ((1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5)), partition p1 values in ((6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)));") + tk1.MustExec("insert into t1 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,10,null)") + tk1.MustExec("insert into t2 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)") + // tk2 use to compare the result with normal table. tk2 := testkit.NewTestKit(c, s.store) tk2.MustExec("drop database if exists test_partition_2;") @@ -176,28 +189,257 @@ func (s *testPartitionPruneSuit) TestListColumnsPartitionPruner(c *C) { tk2.MustExec("insert into t1 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,10,null)") tk2.MustExec("insert into t2 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)") - var input []string - var output []struct { + var input []struct { SQL string - Result []string - Plan []string + Pruner string + } + var output []struct { + SQL string + Result []string + Plan []string + IndexPlan []string } s.testData.GetTestCases(c, &input, &output) valid := false for i, tt := range input { + // Test for table without index. + plan := tk.MustQuery("explain " + tt.SQL) + planTree := s.testData.ConvertRowsToStrings(plan.Rows()) + // Test for table with index. + indexPlan := tk1.MustQuery("explain " + tt.SQL) + indexPlanTree := s.testData.ConvertRowsToStrings(indexPlan.Rows()) s.testData.OnRecord(func() { - output[i].SQL = tt - output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows()) - output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery("explain " + tt).Rows()) + output[i].SQL = tt.SQL + output[i].Result = s.testData.ConvertRowsToStrings(tk.MustQuery(tt.SQL).Rows()) + // Test for table without index. + output[i].Plan = planTree + // Test for table with index. + output[i].IndexPlan = indexPlanTree }) - tk.MustQuery("explain " + tt).Check(testkit.Rows(output[i].Plan...)) - result := tk.MustQuery(tt) + // compare the plan. + plan.Check(testkit.Rows(output[i].Plan...)) + indexPlan.Check(testkit.Rows(output[i].IndexPlan...)) + + // compare the pruner information. + s.checkPrunePartitionInfo(c, tt.SQL, tt.Pruner, planTree) + s.checkPrunePartitionInfo(c, tt.SQL, tt.Pruner, indexPlanTree) + + // compare the result. + result := tk.MustQuery(tt.SQL) + idxResult := tk1.MustQuery(tt.SQL) + result.Check(idxResult.Rows()) result.Check(testkit.Rows(output[i].Result...)) + // If the query doesn't specified the partition, compare the result with normal table - if !strings.Contains(tt, "partition(") { - result.Check(tk2.MustQuery(tt).Rows()) + if !strings.Contains(tt.SQL, "partition(") { + result.Check(tk2.MustQuery(tt.SQL).Rows()) valid = true } } c.Assert(valid, IsTrue) } + +func (s *testPartitionPruneSuit) checkPrunePartitionInfo(c *C, query string, infos1 string, plan []string) { + infos2 := s.getPartitionInfoFromPlan(plan) + c.Assert(infos1, Equals, infos2, Commentf("the query is: %v, the plan is:\n%v", query, strings.Join(plan, "\n"))) +} + +type testTablePartitionInfo struct { + Table string + Partitions string +} + +// getPartitionInfoFromPlan uses to extract table partition information from the plan tree string. Here is an example, the plan is like below: +// "Projection_7 80.00 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t2.id, test_partition.t2.a, test_partition.t2.b", +// "└─HashJoin_9 80.00 root CARTESIAN inner join", +// " ├─TableReader_12(Build) 8.00 root partition:p1 data:Selection_11", +// " │ └─Selection_11 8.00 cop[tikv] 1, eq(test_partition.t2.b, 6), in(test_partition.t2.a, 6, 7, 8)", +// " │ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", +// " └─TableReader_15(Probe) 10.00 root partition:p0 data:Selection_14", +// " └─Selection_14 10.00 cop[tikv] 1, eq(test_partition.t1.a, 5)", +// " └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" +// +// The return table partition info is: t1: p0; t2: p1 +func (s *testPartitionPruneSuit) getPartitionInfoFromPlan(plan []string) string { + infos := make([]testTablePartitionInfo, 0, 2) + info := testTablePartitionInfo{} + for _, row := range plan { + partitions := s.getFieldValue("partition:", row) + if partitions != "" { + info.Partitions = partitions + continue + } + tbl := s.getFieldValue("table:", row) + if tbl != "" { + info.Table = tbl + infos = append(infos, info) + } + } + sort.Slice(infos, func(i, j int) bool { + if infos[i].Table != infos[j].Table { + return infos[i].Table < infos[j].Table + } + return infos[i].Partitions < infos[j].Partitions + }) + buf := bytes.NewBuffer(nil) + for i, info := range infos { + if i > 0 { + buf.WriteString("; ") + } + buf.WriteString(fmt.Sprintf("%v: %v", info.Table, info.Partitions)) + } + return buf.String() +} + +func (s *testPartitionPruneSuit) getFieldValue(prefix, row string) string { + if idx := strings.Index(row, prefix); idx > 0 { + start := idx + len(prefix) + end := strings.Index(row[start:], " ") + if end > 0 { + value := row[start : start+end] + value = strings.Trim(value, ",") + return value + } + } + return "" +} + +func (s *testPartitionPruneSuit) TestListColumnsPartitionPrunerRandom(c *C) { + tk := testkit.NewTestKit(c, s.store) + for count := 0; count < 5; count++ { + partitionNum := rand.Intn(10) + 1 + valueNum := rand.Intn(10) + 1 + condNum := 20 + + partitionDefs := make([][]string, partitionNum) + for id := 0; id < valueNum; id++ { + for a := 0; a < valueNum; a++ { + for b := 0; b < valueNum; b++ { + idx := rand.Intn(partitionNum) + partitionDefs[idx] = append(partitionDefs[idx], fmt.Sprintf("(%v,%v,%v)", b, id, a)) + } + } + } + validIdx := 0 + for _, def := range partitionDefs { + if len(def) > 0 { + partitionDefs[validIdx] = def + validIdx++ + } + } + partitionDefs = partitionDefs[:validIdx] + createSQL := bytes.NewBuffer(make([]byte, 0, 1024*1024)) + // Generate table definition. + colNames := []string{"id", "a", "b"} + createSQL.WriteString("create table t1 (id int, a int, b int") + // Generate Index definition. + if rand.Int()%2 == 0 { + createSQL.WriteString(", index (") + n := rand.Intn(len(colNames)) + 1 + cols := map[string]struct{}{} + for i := 0; i < n; i++ { + col := colNames[rand.Intn(len(colNames))] + cols[col] = struct{}{} + } + cnt := 0 + for col := range cols { + if cnt > 0 { + createSQL.WriteString(",") + } + createSQL.WriteString(col) + cnt++ + } + createSQL.WriteString(")") + } + createSQL.WriteString(" ) partition by list columns (b, id, a) (") + + for i := range partitionDefs { + if i > 0 { + createSQL.WriteString(",") + } + createSQL.WriteString(fmt.Sprintf("partition p%v values in (", i)) + for idx, v := range partitionDefs[i] { + if idx > 0 { + createSQL.WriteString(",") + } + createSQL.WriteString(v) + } + createSQL.WriteString(")") + } + createSQL.WriteString(")") + + // Create table. + tk.MustExec("drop database if exists test_partition;") + tk.MustExec("create database test_partition") + tk.MustExec("use test_partition") + tk.MustExec(createSQL.String()) + + tk1 := testkit.NewTestKit(c, s.store) + tk1.MustExec("drop database if exists test_partition_1;") + tk1.MustExec("create database test_partition_1") + tk1.MustExec("use test_partition_1") + tk1.MustExec("create table t1 (id int, a int, b int)") + + // prepare data. + for _, def := range partitionDefs { + insert := fmt.Sprintf("insert into t1 (b,id,a) values %v", strings.Join(def, ",")) + tk.MustExec(insert) + tk1.MustExec(insert) + + // Test query without condition + query := fmt.Sprintf("select * from t1 order by id,a,b") + tk.MustQuery(query).Check(tk1.MustQuery(query).Rows()) + } + + // Test for single column condition. + for i := 0; i < valueNum+1; i++ { + query := fmt.Sprintf("select * from t1 where id = %v order by id,a,b", i) + tk.MustQuery(query).Check(tk1.MustQuery(query).Rows()) + query = fmt.Sprintf("select * from t1 where a = %v order by id,a,b", i) + tk.MustQuery(query).Check(tk1.MustQuery(query).Rows()) + query = fmt.Sprintf("select * from t1 where b = %v order by id,a,b", i) + tk.MustQuery(query).Check(tk1.MustQuery(query).Rows()) + } + // Test for multi-columns condition. + genCond := func() string { + col := colNames[rand.Intn(len(colNames))] + value := rand.Intn(valueNum + 2) + switch rand.Int() % 3 { + case 0: + return fmt.Sprintf(" %v = %v ", col, value) + case 1: + return fmt.Sprintf(" %v = %v ", value, col) + default: + buf := bytes.NewBuffer(nil) + buf.WriteString(fmt.Sprintf(" %v in (", col)) + n := rand.Intn(valueNum+5) + 1 + for i := 0; i < n; i++ { + if i > 0 { + buf.WriteString(",") + } + value := rand.Intn(valueNum + 2) + buf.WriteString(fmt.Sprintf("%v", value)) + } + buf.WriteString(")") + return buf.String() + } + } + for i := 0; i < 500; i++ { + condCnt := rand.Intn(condNum) + 1 + query := bytes.NewBuffer(nil) + query.WriteString("select * from t1 where ") + for j := 0; j < condCnt; j++ { + if j > 0 { + if rand.Int()%2 == 0 { + query.WriteString(" and ") + } else { + query.WriteString(" or ") + } + } + query.WriteString(genCond()) + } + query.WriteString(" order by id,a,b") + tk.MustQuery(query.String()).Check(tk1.MustQuery(query.String()).Rows()) + } + } +} diff --git a/planner/core/rule_partition_processor.go b/planner/core/rule_partition_processor.go index bbe9d22e88d45..3d2ed5bf4425b 100644 --- a/planner/core/rule_partition_processor.go +++ b/planner/core/rule_partition_processor.go @@ -224,14 +224,19 @@ func (s *partitionProcessor) processHashPartition(ds *DataSource, pi *model.Part return tableDual, nil } -func (s *partitionProcessor) findUsedListPartitions(ctx sessionctx.Context, tbl table.Table, partitionNames []model.CIStr, - conds []expression.Expression) ([]int, error) { - pi := tbl.Meta().Partition - partExpr, err := tbl.(partitionTable).PartitionExpr() - if err != nil { - return nil, err - } +// listPartitionPruner uses to prune partition for list partition. +type listPartitionPruner struct { + *partitionProcessor + ctx sessionctx.Context + pi *model.PartitionInfo + partitionNames []model.CIStr + colIDToUniqueID map[int64]int64 + fullRange map[int]struct{} + listPrune *tables.ForListPruning +} +func newListPartitionPruner(ctx sessionctx.Context, tbl table.Table, partitionNames []model.CIStr, + s *partitionProcessor, conds []expression.Expression, pruneList *tables.ForListPruning) *listPartitionPruner { colIDToUniqueID := make(map[int64]int64) for _, cond := range conds { condCols := expression.ExtractColumns(cond) @@ -239,58 +244,230 @@ func (s *partitionProcessor) findUsedListPartitions(ctx sessionctx.Context, tbl colIDToUniqueID[c.ID] = c.UniqueID } } + fullRange := make(map[int]struct{}) + fullRange[FullRange] = struct{}{} + return &listPartitionPruner{ + partitionProcessor: s, + ctx: ctx, + pi: tbl.Meta().Partition, + partitionNames: partitionNames, + colIDToUniqueID: colIDToUniqueID, + fullRange: fullRange, + listPrune: pruneList, + } +} + +func (l *listPartitionPruner) locatePartition(cond expression.Expression) (tables.ListPartitionLocation, bool, error) { + switch sf := cond.(type) { + case *expression.Constant: + b, err := sf.Value.ToBool(l.ctx.GetSessionVars().StmtCtx) + if err == nil && b == 0 { + // A constant false expression. + return nil, false, nil + } + case *expression.ScalarFunction: + switch sf.FuncName.L { + case ast.LogicOr: + dnfItems := expression.FlattenDNFConditions(sf) + return l.locatePartitionByDNFCondition(dnfItems) + case ast.LogicAnd: + cnfItems := expression.FlattenCNFConditions(sf) + return l.locatePartitionByCNFCondition(cnfItems) + } + return l.locatePartitionByColumn(sf) + } + return nil, true, nil +} + +func (l *listPartitionPruner) locatePartitionByCNFCondition(conds []expression.Expression) (tables.ListPartitionLocation, bool, error) { + if len(conds) == 0 { + return nil, true, nil + } + countFull := 0 + helper := tables.NewListPartitionLocationHelper() + for _, cond := range conds { + cnfLoc, isFull, err := l.locatePartition(cond) + if err != nil { + return nil, false, err + } + if isFull { + countFull++ + continue + } + if cnfLoc.IsEmpty() { + // No partition for intersection, just return 0 partition. + return nil, false, nil + } + if !helper.Intersect(cnfLoc) { + return nil, false, nil + } + } + if countFull == len(conds) { + return nil, true, nil + } + return helper.GetLocation(), false, nil +} + +func (l *listPartitionPruner) locatePartitionByDNFCondition(conds []expression.Expression) (tables.ListPartitionLocation, bool, error) { + if len(conds) == 0 { + return nil, true, nil + } + helper := tables.NewListPartitionLocationHelper() + for _, cond := range conds { + dnfLoc, isFull, err := l.locatePartition(cond) + if err != nil || isFull { + return nil, isFull, err + } + helper.Union(dnfLoc) + } + return helper.GetLocation(), false, nil +} + +// locatePartitionByColumn uses to locate partition by the one of the list columns value. +// Such as: partition by list columns(a,b) (partition p0 values in ((1,1),(2,2)), partition p1 values in ((6,6),(7,7))); +// and if the condition is `a=1`, then we can use `a=1` and the expression `(a in (1,2))` to locate partition `p0`. +func (l *listPartitionPruner) locatePartitionByColumn(cond *expression.ScalarFunction) (tables.ListPartitionLocation, bool, error) { + condCols := expression.ExtractColumns(cond) + if len(condCols) != 1 { + return nil, true, nil + } + var colPrune *tables.ForListColumnPruning + for _, cp := range l.listPrune.ColPrunes { + if cp.ExprCol.ID == condCols[0].ID { + colPrune = cp + } + } + if colPrune == nil { + return nil, true, nil + } + return l.locateColumnPartitionsByCondition(cond, colPrune) +} + +func (l *listPartitionPruner) locateColumnPartitionsByCondition(cond expression.Expression, colPrune *tables.ForListColumnPruning) (tables.ListPartitionLocation, bool, error) { + ranges, err := l.detachCondAndBuildRange([]expression.Expression{cond}, colPrune.ExprCol) + if err != nil { + return nil, false, err + } + + sc := l.ctx.GetSessionVars().StmtCtx + helper := tables.NewListPartitionLocationHelper() + for _, r := range ranges { + if r.IsPointNullable(sc) { + if len(r.HighVal) != 1 { + return nil, true, nil + } + location, err := colPrune.LocatePartition(sc, r.HighVal[0]) + if err != nil { + return nil, false, err + } + if len(l.partitionNames) > 0 { + for _, pg := range location { + if l.findByName(l.partitionNames, l.pi.Definitions[pg.PartIdx].Name.L) { + helper.UnionPartitionGroup(pg) + } + } + } else { + helper.Union(location) + } + } else { + return nil, true, nil + } + } + return helper.GetLocation(), false, nil +} - pruneList := partExpr.ForListPruning - cols := make([]*expression.Column, 0, len(pruneList.ExprCols)) - colLen := make([]int, 0, len(pruneList.ExprCols)) - for _, c := range pruneList.ExprCols { +func (l *listPartitionPruner) detachCondAndBuildRange(conds []expression.Expression, exprCols ...*expression.Column) ([]*ranger.Range, error) { + cols := make([]*expression.Column, 0, len(exprCols)) + colLen := make([]int, 0, len(exprCols)) + for _, c := range exprCols { c = c.Clone().(*expression.Column) - if uniqueID, ok := colIDToUniqueID[c.ID]; ok { + if uniqueID, ok := l.colIDToUniqueID[c.ID]; ok { c.UniqueID = uniqueID } cols = append(cols, c) colLen = append(colLen, types.UnspecifiedLength) } - detachedResult, err := ranger.DetachCondAndBuildRangeForPartition(ctx, conds, cols, colLen) + detachedResult, err := ranger.DetachCondAndBuildRangeForPartition(l.ctx, conds, cols, colLen) + if err != nil { + return nil, err + } + return detachedResult.Ranges, nil +} + +func (l *listPartitionPruner) findUsedListColumnsPartitions(conds []expression.Expression) (map[int]struct{}, error) { + if len(conds) == 0 { + return l.fullRange, nil + } + location, isFull, err := l.locatePartitionByCNFCondition(conds) if err != nil { return nil, err } + if isFull { + return l.fullRange, nil + } + used := make(map[int]struct{}, len(location)) + for _, pg := range location { + used[pg.PartIdx] = struct{}{} + } + return used, nil +} - ranges := detachedResult.Ranges +func (l *listPartitionPruner) findUsedListPartitions(conds []expression.Expression) (map[int]struct{}, error) { + if len(conds) == 0 { + return l.fullRange, nil + } + exprCols := l.listPrune.PruneExprCols + pruneExpr := l.listPrune.PruneExpr + ranges, err := l.detachCondAndBuildRange(conds, exprCols...) + if err != nil { + return nil, err + } used := make(map[int]struct{}, len(ranges)) for _, r := range ranges { - if r.IsPointNullable(ctx.GetSessionVars().StmtCtx) { - if !r.HighVal[0].IsNull() { - if len(r.HighVal) != len(cols) { - used[FullRange] = struct{}{} - break - } + if r.IsPointNullable(l.ctx.GetSessionVars().StmtCtx) { + if len(r.HighVal) != len(exprCols) && !r.HighVal[0].IsNull() { + // For the list partition, if the first argument is null, + // then the list partition expression should also be null. + return l.fullRange, nil } - found := int64(-1) - row := chunk.MutRowFromDatums(r.HighVal).ToRow() - for j, expr := range pruneList.Exprs { - ret, _, err := expr.EvalInt(ctx, row) - if err != nil { - return nil, err - } - if ret > 0 { - found = int64(j) - break - } + value, isNull, err := pruneExpr.EvalInt(l.ctx, chunk.MutRowFromDatums(r.HighVal).ToRow()) + if err != nil { + return nil, err } - if found == -1 { + partitionIdx := l.listPrune.LocatePartition(value, isNull) + if partitionIdx == -1 { continue } - if len(partitionNames) > 0 && !s.findByName(partitionNames, pi.Definitions[found].Name.L) { + if len(l.partitionNames) > 0 && !l.findByName(l.partitionNames, l.pi.Definitions[partitionIdx].Name.L) { continue } - used[int(found)] = struct{}{} + used[partitionIdx] = struct{}{} } else { - used[FullRange] = struct{}{} - break + return l.fullRange, nil } } + return used, nil +} + +func (s *partitionProcessor) findUsedListPartitions(ctx sessionctx.Context, tbl table.Table, partitionNames []model.CIStr, + conds []expression.Expression) ([]int, error) { + pi := tbl.Meta().Partition + partExpr, err := tbl.(partitionTable).PartitionExpr() + if err != nil { + return nil, err + } + + listPruner := newListPartitionPruner(ctx, tbl, partitionNames, s, conds, partExpr.ForListPruning) + var used map[int]struct{} + if partExpr.ForListPruning.ColPrunes == nil { + used, err = listPruner.findUsedListPartitions(conds) + } else { + used, err = listPruner.findUsedListColumnsPartitions(conds) + } + if err != nil { + return nil, err + } if _, ok := used[FullRange]; ok { or := partitionRangeOR{partitionRange{0, len(pi.Definitions)}} return s.convertToIntSlice(or, pi, partitionNames), nil diff --git a/planner/core/testdata/partition_pruner_in.json b/planner/core/testdata/partition_pruner_in.json index 6ac61ad9cda1e..567e7fb0f57cd 100644 --- a/planner/core/testdata/partition_pruner_in.json +++ b/planner/core/testdata/partition_pruner_in.json @@ -86,16 +86,230 @@ { "name": "TestListColumnsPartitionPruner", "cases": [ - "select * from t1 where a = 1 or b = 2", - "select * from t1 where a = 1 and b = 2", - "select * from t1 where a = 1 and b = 1", - "select * from t1 where a in (1,2,3) or b in (4,5,6)", - "select * from t1 where a in (1,2,3) and b in (4,5,6)", - "select * from t1 where a in (1,2,3) and b in (3,4,6)", - "select * from t1 where ( a=1 and b=1) or (a=6 and b=6)", - "select * from t1 where a = 100 and b = 100", - "select * from t1 join t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3 and t1.b in (3,5)) and t2.a in (6,7,8) and t2.b=7 and t2.id=7", - "select * from t1 left join t2 on true where (t1.a=1 or t1.a = 3 and t1.b in (3,5)) and t2.a in (6,7,8) and t2.b=7 and t2.id = 7" + { + "SQL": "select * from t1 order by id,a", + "Pruner": "t1: all" + }, + { + "SQL": "select count(1) from t1 order by id,a", + "Pruner": "t1: all" + }, + { + "SQL": "select * from t1 where a = 1 or b = 2", + "Pruner": "t1: p0" + }, + { + "SQL": "select count(1) from t1 where a = 1 or b = 2", + "Pruner": "t1: p0" + }, + { + "SQL": "select * from t1 where a = 1 and b = 2", + "Pruner": "t1: dual" + }, + { + "SQL": "select count(1) from t1 where a = 1 and b = 2", + "Pruner": "t1: dual" + }, + { + "SQL": "select * from t1 where a = 1 and b = 1", + "Pruner": "t1: p0" + }, + { + "SQL": "select * from t1 where a in (1,2,3) or b in (4,5,6)", + "Pruner": "t1: p0,p1" + }, + { + "SQL": "select * from t1 where a in (1,2,3) and b in (4,5,6)", + "Pruner": "t1: dual" + }, + { + "SQL": "select * from t1 where a in (1,2,3) and b in (3,4,6)", + "Pruner": "t1: p0" + }, + { + "SQL": "select * from t1 where a in (1,2,3) and b in (1,2,3)", + "Pruner": "t1: p0" + }, + { + "SQL": "select * from t1 where a in (1,2,3) or b in (1,2,3)", + "Pruner": "t1: p0" + }, + { + "SQL": "select * from t1 where ( a=1 and b=1) or (a=6 and b=6)", + "Pruner": "t1: p0,p1" + }, + { + "SQL": "select * from t1 where a = 100 and b = 100", + "Pruner": "t1: dual" + }, + { + "SQL": "select * from t1 join t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3 and t1.b in (3,5)) and t2.a in (6,7,8) and t2.b=7 and t2.id=7", + "Pruner": "t1: p0; t2: p1" + }, + { + "SQL": "select * from t1 left join t2 on true where (t1.a=1 or t1.a = 3 and t1.b in (3,5)) and t2.a in (6,7,8) and t2.b=7 and t2.id = 7 order by t1.id,t1.a", + "Pruner": "t1: p0; t2: p1" + }, + { + "SQL": "select * from t1 where a = 1", + "Pruner": "t1: p0" + }, + { + "SQL": "select * from t1 where b = 1", + "Pruner": "t1: p0" + }, + { + "SQL": "select * from t1 where b is null", + "Pruner": "t1: p1" + }, + { + "SQL": "select * from t1 where a is null", + "Pruner": "t1: dual" + }, + { + "SQL": "select * from t1 where a = 1 or b = 2", + "Pruner": "t1: p0" + }, + { + "SQL": "select * from t1 where a = 1 or (a = 2 and b = 2) or ((a,b) in ((4,4),(5,5)))", + "Pruner": "t1: p0" + }, + { + "SQL": "select * from t1 where a = 1 or (a is null and b = 10)", + "Pruner": "t1: p0" + }, + { + "SQL": "select * from t1 where a = 1 or (a = 10 and b is null)", + "Pruner": "t1: p0,p1" + }, + { + "SQL": "select * from t1 where a = 8 or (a = 10 and b is null)", + "Pruner": "t1: p1" + }, + { + "SQL": "select * from t1 where a = 1 and false", + "Pruner": "" + }, + { + "SQL": "select * from t1 where a = 1 and true", + "Pruner": "t1: p0" + }, + { + "SQL": "select * from t1 where a = 1 or false", + "Pruner": "t1: p0" + }, + { + "SQL": "select * from t1 where a = 1 or true order by id,a", + "Pruner": "t1: all" + }, + { + "SQL": "select * from t1 where a = 1 or b in (100,200)", + "Pruner": "t1: p0" + }, + { + "SQL": "select * from t1 where a = 100 or b in (1,2)", + "Pruner": "t1: p0" + }, + { + "SQL": "select * from t1 where a = 100 or b in (1,6)", + "Pruner": "t1: p0,p1" + }, + { + "SQL": "select * from t1 where a = 100 or b in (100,200)", + "Pruner": "t1: dual" + }, + { + "SQL": "select * from t1 where a in (1,6) or b in (1,2) or (a=3 and b =3)", + "Pruner": "t1: p0,p1" + }, + { + "SQL": "select * from t1 where a in (1,6)", + "Pruner": "t1: p0,p1" + }, + { + "SQL": "select * from t1 where a in (1,6) or (a=3 and b =3)", + "Pruner": "t1: p0,p1" + }, + { + "SQL": "select * from t1 where a in (1,6) and (a=3 and b =3)", + "Pruner": "" + }, + { + "SQL": "select * from t1 where a = 1 and (b=6 or a=6)", + "Pruner": "t1: dual" + }, + { + "SQL": "select * from t1 where a = 100 and (b=200 or a=200)", + "Pruner": "t1: dual" + }, + { + "SQL": "select * from t1 where a = 1 or (a+b=3)", + "Pruner": "t1: all" + }, + { + "SQL": "select * from t1 where id = 1 or id=2", + "Pruner": "t1: all" + }, + { + "SQL": "select * from t1 where id = 1 and a=1", + "Pruner": "t1: p0" + }, + { + "SQL": "select * from t1 partition(p1) where a = 1 or b = 2", + "Pruner": "t1: dual" + }, + { + "SQL": "select * from t1 join t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3) and (t2.a = 6 and t2.b = 6)", + "Pruner": "t1: p0; t2: p1" + }, + { + "SQL": "select * from t1 join t1 as t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3) and (t2.a = 6 and t2.b = 6)", + "Pruner": "t1: p0; t2: p1" + }, + { + "SQL": "select * from t1 where t1.a in (select b from t2 where a in (1,2)) order by a", + "Pruner": "t1: all; t2: p0" + }, + { + "SQL": "select * from t1 where t1.a in (select b from t1 where a in (1,2)) order by a", + "Pruner": "t1: all; t1: p0" + }, + { + "SQL": "select * from t1 left join t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3) and t2.a in (6,7,8)", + "Pruner": "t1: p0; t2: p1" + }, + { + "SQL": "select * from t1 right join t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3) and t2.a in (1,2,3)", + "Pruner": "t1: p0; t2: p0" + }, + { + "SQL": "select * from t1 join t2 on true where t1.a=5 and t2.a in (6,7,8) and t2.b = 6", + "Pruner": "t1: p0; t2: p1" + }, + { + "SQL": "select count(*) from t1 join t2 on t1.b = t2.b where t1.a in (1,2) and t2.a in (1,6) and t1.b in (1,6)", + "Pruner": "t1: p0; t2: p0,p1" + }, + { + "SQL": "select /*+ INL_JOIN(t2,t1) */ count(*) from t2 join t1 on t2.b = t1.b where t2.a in (1,2) and t1.a in (1,6) and t1.b in (1,6)", + "Pruner": "t1: p0,p1; t2: p0" + }, + { + "SQL": "select /*+ INL_HASH_JOIN(t1,t2) */ count(*) from t2 join t1 on t2.b = t1.b where t2.a in (1,2) and t1.a in (1,6) and t1.b in (6,1)", + "Pruner": "t1: p0,p1; t2: p0" + }, + { + "SQL": "select /*+ INL_HASH_JOIN(t1,t2) */ count(*) from t2 join t1 on t2.b = t1.b where t2.a in (1,2) and t1.a in (1,6) and t1.b in (100,9,6)", + "Pruner": "t1: p1; t2: dual" + }, + { + "SQL": "select /*+ INL_HASH_JOIN(t1,t2) */ count(*) from t2 join t1 on t2.b = t1.b where t2.a in (1,2) and t1.a in (1,6) and t1.b in (100,9,6,1)", + "Pruner": "t1: p0,p1; t2: p0" + }, + { + "SQL": "select * from t1 where a in (1,2,3) union select * from t1 where b in (6,7,8) order by a", + "Pruner": "t1: p0; t1: p1" + } ] } ] diff --git a/planner/core/testdata/partition_pruner_out.json b/planner/core/testdata/partition_pruner_out.json index 653d492b22a8f..7b5e19d7c5620 100644 --- a/planner/core/testdata/partition_pruner_out.json +++ b/planner/core/testdata/partition_pruner_out.json @@ -809,6 +809,54 @@ { "Name": "TestListColumnsPartitionPruner", "Cases": [ + { + "SQL": "select * from t1 order by id,a", + "Result": [ + " 10 ", + "1 1 1", + "2 2 2", + "3 3 3", + "4 4 4", + "5 5 5", + "6 6 6", + "7 7 7", + "8 8 8", + "9 9 9", + "10 10 10" + ], + "Plan": [ + "Sort_4 10000.00 root test_partition.t1.id, test_partition.t1.a", + "└─TableReader_8 10000.00 root partition:all data:TableFullScan_7", + " └─TableFullScan_7 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "Sort_4 10000.00 root test_partition_1.t1.id, test_partition_1.t1.a", + "└─IndexReader_10 10000.00 root partition:all index:IndexFullScan_9", + " └─IndexFullScan_9 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select count(1) from t1 order by id,a", + "Result": [ + "11" + ], + "Plan": [ + "Projection_6 1.00 root Column#5", + "└─Sort_7 1.00 root test_partition.t1.id, test_partition.t1.a", + " └─StreamAgg_20 1.00 root funcs:count(Column#10)->Column#5, funcs:firstrow(Column#11)->test_partition.t1.id, funcs:firstrow(Column#12)->test_partition.t1.a", + " └─TableReader_21 1.00 root partition:all data:StreamAgg_12", + " └─StreamAgg_12 1.00 cop[tikv] funcs:count(1)->Column#10, funcs:firstrow(test_partition.t1.id)->Column#11, funcs:firstrow(test_partition.t1.a)->Column#12", + " └─TableFullScan_19 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "Projection_6 1.00 root Column#5", + "└─Sort_7 1.00 root test_partition_1.t1.id, test_partition_1.t1.a", + " └─StreamAgg_24 1.00 root funcs:count(Column#13)->Column#5, funcs:firstrow(Column#14)->test_partition_1.t1.id, funcs:firstrow(Column#15)->test_partition_1.t1.a", + " └─IndexReader_25 1.00 root partition:all index:StreamAgg_12", + " └─StreamAgg_12 1.00 cop[tikv] funcs:count(1)->Column#13, funcs:firstrow(test_partition_1.t1.id)->Column#14, funcs:firstrow(test_partition_1.t1.a)->Column#15", + " └─IndexFullScan_23 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" + ] + }, { "SQL": "select * from t1 where a = 1 or b = 2", "Result": [ @@ -816,9 +864,34 @@ "2 2 2" ], "Plan": [ - "TableReader_7 19.99 root partition:all data:Selection_6", + "TableReader_7 19.99 root partition:p0 data:Selection_6", "└─Selection_6 19.99 cop[tikv] or(eq(test_partition.t1.a, 1), eq(test_partition.t1.b, 2))", " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_10 19.99 root partition:p0 index:Selection_9", + "└─Selection_9 19.99 cop[tikv] or(eq(test_partition_1.t1.a, 1), eq(test_partition_1.t1.b, 2))", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select count(1) from t1 where a = 1 or b = 2", + "Result": [ + "2" + ], + "Plan": [ + "StreamAgg_20 1.00 root funcs:count(Column#7)->Column#5", + "└─TableReader_21 1.00 root partition:p0 data:StreamAgg_9", + " └─StreamAgg_9 1.00 cop[tikv] funcs:count(1)->Column#7", + " └─Selection_19 19.99 cop[tikv] or(eq(test_partition.t1.a, 1), eq(test_partition.t1.b, 2))", + " └─TableFullScan_18 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "StreamAgg_27 1.00 root funcs:count(Column#10)->Column#5", + "└─IndexReader_28 1.00 root partition:p0 index:StreamAgg_9", + " └─StreamAgg_9 1.00 cop[tikv] funcs:count(1)->Column#10", + " └─Selection_26 19.99 cop[tikv] or(eq(test_partition_1.t1.a, 1), eq(test_partition_1.t1.b, 2))", + " └─IndexFullScan_25 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" ] }, { @@ -828,6 +901,27 @@ "TableReader_7 0.01 root partition:dual data:Selection_6", "└─Selection_6 0.01 cop[tikv] eq(test_partition.t1.a, 1), eq(test_partition.t1.b, 2)", " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 0.10 root partition:dual index:IndexRangeScan_5", + "└─IndexRangeScan_5 0.10 cop[tikv] table:t1, index:a(a, b, id) range:[1 2,1 2], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select count(1) from t1 where a = 1 and b = 2", + "Result": [ + "0" + ], + "Plan": [ + "StreamAgg_10 1.00 root funcs:count(1)->Column#5", + "└─TableReader_17 0.01 root partition:dual data:Selection_16", + " └─Selection_16 0.01 cop[tikv] eq(test_partition.t1.a, 1), eq(test_partition.t1.b, 2)", + " └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "StreamAgg_10 1.00 root funcs:count(1)->Column#5", + "└─IndexReader_15 0.10 root partition:dual index:IndexRangeScan_14", + " └─IndexRangeScan_14 0.10 cop[tikv] table:t1, index:a(a, b, id) range:[1 2,1 2], keep order:false, stats:pseudo" ] }, { @@ -839,6 +933,10 @@ "TableReader_7 0.01 root partition:p0 data:Selection_6", "└─Selection_6 0.01 cop[tikv] eq(test_partition.t1.a, 1), eq(test_partition.t1.b, 1)", " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 0.10 root partition:p0 index:IndexRangeScan_5", + "└─IndexRangeScan_5 0.10 cop[tikv] table:t1, index:a(a, b, id) range:[1 1,1 1], keep order:false, stats:pseudo" ] }, { @@ -852,9 +950,14 @@ "6 6 6" ], "Plan": [ - "TableReader_7 59.91 root partition:all data:Selection_6", + "TableReader_7 59.91 root partition:p0,p1 data:Selection_6", "└─Selection_6 59.91 cop[tikv] or(in(test_partition.t1.a, 1, 2, 3), in(test_partition.t1.b, 4, 5, 6))", " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_10 59.91 root partition:p0,p1 index:Selection_9", + "└─Selection_9 59.91 cop[tikv] or(in(test_partition_1.t1.a, 1, 2, 3), in(test_partition_1.t1.b, 4, 5, 6))", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" ] }, { @@ -864,6 +967,10 @@ "TableReader_7 0.09 root partition:dual data:Selection_6", "└─Selection_6 0.09 cop[tikv] in(test_partition.t1.a, 1, 2, 3), in(test_partition.t1.b, 4, 5, 6)", " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 0.90 root partition:dual index:IndexRangeScan_5", + "└─IndexRangeScan_5 0.90 cop[tikv] table:t1, index:a(a, b, id) range:[1 4,1 4], [1 5,1 5], [1 6,1 6], [2 4,2 4], [2 5,2 5], [2 6,2 6], [3 4,3 4], [3 5,3 5], [3 6,3 6], keep order:false, stats:pseudo" ] }, { @@ -875,6 +982,45 @@ "TableReader_7 0.09 root partition:p0 data:Selection_6", "└─Selection_6 0.09 cop[tikv] in(test_partition.t1.a, 1, 2, 3), in(test_partition.t1.b, 3, 4, 6)", " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 0.90 root partition:p0 index:IndexRangeScan_5", + "└─IndexRangeScan_5 0.90 cop[tikv] table:t1, index:a(a, b, id) range:[1 3,1 3], [1 4,1 4], [1 6,1 6], [2 3,2 3], [2 4,2 4], [2 6,2 6], [3 3,3 3], [3 4,3 4], [3 6,3 6], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a in (1,2,3) and b in (1,2,3)", + "Result": [ + "1 1 1", + "2 2 2", + "3 3 3" + ], + "Plan": [ + "TableReader_7 0.09 root partition:p0 data:Selection_6", + "└─Selection_6 0.09 cop[tikv] in(test_partition.t1.a, 1, 2, 3), in(test_partition.t1.b, 1, 2, 3)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 0.90 root partition:p0 index:IndexRangeScan_5", + "└─IndexRangeScan_5 0.90 cop[tikv] table:t1, index:a(a, b, id) range:[1 1,1 1], [1 2,1 2], [1 3,1 3], [2 1,2 1], [2 2,2 2], [2 3,2 3], [3 1,3 1], [3 2,3 2], [3 3,3 3], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a in (1,2,3) or b in (1,2,3)", + "Result": [ + "1 1 1", + "2 2 2", + "3 3 3" + ], + "Plan": [ + "TableReader_7 59.91 root partition:p0 data:Selection_6", + "└─Selection_6 59.91 cop[tikv] or(in(test_partition.t1.a, 1, 2, 3), in(test_partition.t1.b, 1, 2, 3))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_10 59.91 root partition:p0 index:Selection_9", + "└─Selection_9 59.91 cop[tikv] or(in(test_partition_1.t1.a, 1, 2, 3), in(test_partition_1.t1.b, 1, 2, 3))", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" ] }, { @@ -887,6 +1033,10 @@ "TableReader_7 0.02 root partition:p0,p1 data:Selection_6", "└─Selection_6 0.02 cop[tikv] or(and(eq(test_partition.t1.a, 1), eq(test_partition.t1.b, 1)), and(eq(test_partition.t1.a, 6), eq(test_partition.t1.b, 6)))", " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 0.20 root partition:p0,p1 index:IndexRangeScan_5", + "└─IndexRangeScan_5 0.20 cop[tikv] table:t1, index:a(a, b, id) range:[1 1,1 1], [6 6,6 6], keep order:false, stats:pseudo" ] }, { @@ -896,6 +1046,10 @@ "TableReader_7 0.01 root partition:dual data:Selection_6", "└─Selection_6 0.01 cop[tikv] eq(test_partition.t1.a, 100), eq(test_partition.t1.b, 100)", " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 0.10 root partition:dual index:IndexRangeScan_5", + "└─IndexRangeScan_5 0.10 cop[tikv] table:t1, index:a(a, b, id) range:[100 100,100 100], keep order:false, stats:pseudo" ] }, { @@ -907,25 +1061,808 @@ " ├─TableReader_12(Build) 0.00 root partition:p1 data:Selection_11", " │ └─Selection_11 0.00 cop[tikv] eq(test_partition.t2.b, 7), eq(test_partition.t2.id, 7), in(test_partition.t2.a, 6, 7, 8)", " │ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", - " └─TableReader_15(Probe) 0.01 root partition:all data:Selection_14", + " └─TableReader_15(Probe) 0.01 root partition:p0 data:Selection_14", " └─Selection_14 0.01 cop[tikv] eq(test_partition.t1.id, 7), or(eq(test_partition.t1.a, 1), and(eq(test_partition.t1.a, 3), in(test_partition.t1.b, 3, 5)))", " └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "HashJoin_9 0.03 root CARTESIAN inner join", + "├─IndexReader_12(Build) 0.01 root partition:p0 index:Selection_11", + "│ └─Selection_11 0.01 cop[tikv] eq(test_partition_1.t1.id, 7), or(eq(test_partition_1.t1.a, 1), and(eq(test_partition_1.t1.a, 3), in(test_partition_1.t1.b, 3, 5)))", + "│ └─IndexRangeScan_10 20.00 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], [3,3], keep order:false, stats:pseudo", + "└─IndexReader_14(Probe) 3.00 root partition:p1 index:IndexRangeScan_13", + " └─IndexRangeScan_13 3.00 cop[tikv] table:t2, index:a(a, b, id) range:[6 7 7,6 7 7], [7 7 7,7 7 7], [8 7 7,8 7 7], keep order:false, stats:pseudo" ] }, { - "SQL": "select * from t1 left join t2 on true where (t1.a=1 or t1.a = 3 and t1.b in (3,5)) and t2.a in (6,7,8) and t2.b=7 and t2.id = 7", + "SQL": "select * from t1 left join t2 on true where (t1.a=1 or t1.a = 3 and t1.b in (3,5)) and t2.a in (6,7,8) and t2.b=7 and t2.id = 7 order by t1.id,t1.a", "Result": [ "1 1 1 7 7 7", "3 3 3 7 7 7" ], "Plan": [ - "HashJoin_7 80.16 root CARTESIAN inner join", - "├─TableReader_14(Build) 8.00 root partition:p1 data:Selection_13", - "│ └─Selection_13 8.00 cop[tikv] 1, eq(test_partition.t2.b, 7), eq(test_partition.t2.id, 7), in(test_partition.t2.a, 6, 7, 8)", - "│ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", - "└─TableReader_11(Probe) 10.02 root partition:all data:Selection_10", - " └─Selection_10 10.02 cop[tikv] 1, or(eq(test_partition.t1.a, 1), and(eq(test_partition.t1.a, 3), in(test_partition.t1.b, 3, 5)))", - " └─TableFullScan_9 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + "Sort_7 80.16 root test_partition.t1.id, test_partition.t1.a", + "└─HashJoin_10 80.16 root CARTESIAN inner join", + " ├─TableReader_17(Build) 8.00 root partition:p1 data:Selection_16", + " │ └─Selection_16 8.00 cop[tikv] 1, eq(test_partition.t2.b, 7), eq(test_partition.t2.id, 7), in(test_partition.t2.a, 6, 7, 8)", + " │ └─TableFullScan_15 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_14(Probe) 10.02 root partition:p0 data:Selection_13", + " └─Selection_13 10.02 cop[tikv] 1, or(eq(test_partition.t1.a, 1), and(eq(test_partition.t1.a, 3), in(test_partition.t1.b, 3, 5)))", + " └─TableFullScan_12 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "Sort_7 0.05 root test_partition_1.t1.id, test_partition_1.t1.a", + "└─HashJoin_11 0.05 root CARTESIAN inner join", + " ├─IndexReader_14(Build) 0.02 root partition:p0 index:Selection_13", + " │ └─Selection_13 0.02 cop[tikv] or(eq(test_partition_1.t1.a, 1), and(eq(test_partition_1.t1.a, 3), in(test_partition_1.t1.b, 3, 5)))", + " │ └─IndexRangeScan_12 20.00 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], [3,3], keep order:false, stats:pseudo", + " └─IndexReader_17(Probe) 2.40 root partition:p1 index:Selection_16", + " └─Selection_16 2.40 cop[tikv] 1", + " └─IndexRangeScan_15 3.00 cop[tikv] table:t2, index:a(a, b, id) range:[6 7 7,6 7 7], [7 7 7,7 7 7], [8 7 7,8 7 7], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 1", + "Result": [ + "1 1 1" + ], + "Plan": [ + "TableReader_7 10.00 root partition:p0 data:Selection_6", + "└─Selection_6 10.00 cop[tikv] eq(test_partition.t1.a, 1)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 10.00 root partition:p0 index:IndexRangeScan_5", + "└─IndexRangeScan_5 10.00 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where b = 1", + "Result": [ + "1 1 1" + ], + "Plan": [ + "TableReader_7 10.00 root partition:p0 data:Selection_6", + "└─Selection_6 10.00 cop[tikv] eq(test_partition.t1.b, 1)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_10 10.00 root partition:p0 index:Selection_9", + "└─Selection_9 10.00 cop[tikv] eq(test_partition_1.t1.b, 1)", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where b is null", + "Result": [ + " 10 " + ], + "Plan": [ + "TableReader_7 10.00 root partition:p1 data:Selection_6", + "└─Selection_6 10.00 cop[tikv] isnull(test_partition.t1.b)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_10 10.00 root partition:p1 index:Selection_9", + "└─Selection_9 10.00 cop[tikv] isnull(test_partition_1.t1.b)", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a is null", + "Result": null, + "Plan": [ + "TableReader_7 10.00 root partition:dual data:Selection_6", + "└─Selection_6 10.00 cop[tikv] isnull(test_partition.t1.a)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 10.00 root partition:dual index:IndexRangeScan_5", + "└─IndexRangeScan_5 10.00 cop[tikv] table:t1, index:a(a, b, id) range:[NULL,NULL], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 1 or b = 2", + "Result": [ + "1 1 1", + "2 2 2" + ], + "Plan": [ + "TableReader_7 19.99 root partition:p0 data:Selection_6", + "└─Selection_6 19.99 cop[tikv] or(eq(test_partition.t1.a, 1), eq(test_partition.t1.b, 2))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_10 19.99 root partition:p0 index:Selection_9", + "└─Selection_9 19.99 cop[tikv] or(eq(test_partition_1.t1.a, 1), eq(test_partition_1.t1.b, 2))", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 1 or (a = 2 and b = 2) or ((a,b) in ((4,4),(5,5)))", + "Result": [ + "1 1 1", + "2 2 2", + "4 4 4", + "5 5 5" + ], + "Plan": [ + "TableReader_7 10.03 root partition:p0 data:Selection_6", + "└─Selection_6 10.03 cop[tikv] or(or(eq(test_partition.t1.a, 1), and(eq(test_partition.t1.a, 2), eq(test_partition.t1.b, 2))), or(and(eq(test_partition.t1.a, 4), eq(test_partition.t1.b, 4)), and(eq(test_partition.t1.a, 5), eq(test_partition.t1.b, 5))))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 10.30 root partition:p0 index:IndexRangeScan_5", + "└─IndexRangeScan_5 10.30 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], [2 2,2 2], [4 4,4 4], [5 5,5 5], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 1 or (a is null and b = 10)", + "Result": [ + "1 1 1" + ], + "Plan": [ + "TableReader_7 10.01 root partition:p0 data:Selection_6", + "└─Selection_6 10.01 cop[tikv] or(eq(test_partition.t1.a, 1), and(isnull(test_partition.t1.a), eq(test_partition.t1.b, 10)))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_7 16.00 root partition:p0 index:Selection_6", + "└─Selection_6 16.00 cop[tikv] or(eq(test_partition_1.t1.a, 1), and(isnull(test_partition_1.t1.a), eq(test_partition_1.t1.b, 10)))", + " └─IndexRangeScan_5 20.00 cop[tikv] table:t1, index:a(a, b, id) range:[NULL,NULL], [1,1], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 1 or (a = 10 and b is null)", + "Result": [ + "1 1 1", + " 10 " + ], + "Plan": [ + "TableReader_7 10.01 root partition:p0,p1 data:Selection_6", + "└─Selection_6 10.01 cop[tikv] or(eq(test_partition.t1.a, 1), and(eq(test_partition.t1.a, 10), isnull(test_partition.t1.b)))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 10.10 root partition:p0,p1 index:IndexRangeScan_5", + "└─IndexRangeScan_5 10.10 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], [10 NULL,10 NULL], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 8 or (a = 10 and b is null)", + "Result": [ + "8 8 8", + " 10 " + ], + "Plan": [ + "TableReader_7 10.01 root partition:p1 data:Selection_6", + "└─Selection_6 10.01 cop[tikv] or(eq(test_partition.t1.a, 8), and(eq(test_partition.t1.a, 10), isnull(test_partition.t1.b)))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 10.10 root partition:p1 index:IndexRangeScan_5", + "└─IndexRangeScan_5 10.10 cop[tikv] table:t1, index:a(a, b, id) range:[8,8], [10 NULL,10 NULL], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 1 and false", + "Result": null, + "Plan": [ + "TableDual_6 0.00 root rows:0" + ], + "IndexPlan": [ + "TableDual_6 0.00 root rows:0" + ] + }, + { + "SQL": "select * from t1 where a = 1 and true", + "Result": [ + "1 1 1" + ], + "Plan": [ + "TableReader_7 10.00 root partition:p0 data:Selection_6", + "└─Selection_6 10.00 cop[tikv] eq(test_partition.t1.a, 1)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 10.00 root partition:p0 index:IndexRangeScan_5", + "└─IndexRangeScan_5 10.00 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 1 or false", + "Result": [ + "1 1 1" + ], + "Plan": [ + "TableReader_7 10.00 root partition:p0 data:Selection_6", + "└─Selection_6 10.00 cop[tikv] or(eq(test_partition.t1.a, 1), 0)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 10.00 root partition:p0 index:IndexRangeScan_5", + "└─IndexRangeScan_5 10.00 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 1 or true order by id,a", + "Result": [ + " 10 ", + "1 1 1", + "2 2 2", + "3 3 3", + "4 4 4", + "5 5 5", + "6 6 6", + "7 7 7", + "8 8 8", + "9 9 9", + "10 10 10" + ], + "Plan": [ + "Sort_5 10000.00 root test_partition.t1.id, test_partition.t1.a", + "└─TableReader_10 10000.00 root partition:all data:Selection_9", + " └─Selection_9 10000.00 cop[tikv] or(eq(test_partition.t1.a, 1), 1)", + " └─TableFullScan_8 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "Sort_5 10000.00 root test_partition_1.t1.id, test_partition_1.t1.a", + "└─IndexReader_9 10000.00 root partition:all index:IndexFullScan_8", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 1 or b in (100,200)", + "Result": [ + "1 1 1" + ], + "Plan": [ + "TableReader_7 29.98 root partition:p0 data:Selection_6", + "└─Selection_6 29.98 cop[tikv] or(eq(test_partition.t1.a, 1), in(test_partition.t1.b, 100, 200))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_10 29.98 root partition:p0 index:Selection_9", + "└─Selection_9 29.98 cop[tikv] or(eq(test_partition_1.t1.a, 1), in(test_partition_1.t1.b, 100, 200))", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 100 or b in (1,2)", + "Result": [ + "1 1 1", + "2 2 2" + ], + "Plan": [ + "TableReader_7 29.98 root partition:p0 data:Selection_6", + "└─Selection_6 29.98 cop[tikv] or(eq(test_partition.t1.a, 100), in(test_partition.t1.b, 1, 2))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_10 29.98 root partition:p0 index:Selection_9", + "└─Selection_9 29.98 cop[tikv] or(eq(test_partition_1.t1.a, 100), in(test_partition_1.t1.b, 1, 2))", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 100 or b in (1,6)", + "Result": [ + "1 1 1", + "6 6 6" + ], + "Plan": [ + "TableReader_7 29.98 root partition:p0,p1 data:Selection_6", + "└─Selection_6 29.98 cop[tikv] or(eq(test_partition.t1.a, 100), in(test_partition.t1.b, 1, 6))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_10 29.98 root partition:p0,p1 index:Selection_9", + "└─Selection_9 29.98 cop[tikv] or(eq(test_partition_1.t1.a, 100), in(test_partition_1.t1.b, 1, 6))", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 100 or b in (100,200)", + "Result": null, + "Plan": [ + "TableReader_7 29.98 root partition:dual data:Selection_6", + "└─Selection_6 29.98 cop[tikv] or(eq(test_partition.t1.a, 100), in(test_partition.t1.b, 100, 200))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_10 29.98 root partition:dual index:Selection_9", + "└─Selection_9 29.98 cop[tikv] or(eq(test_partition_1.t1.a, 100), in(test_partition_1.t1.b, 100, 200))", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a in (1,6) or b in (1,2) or (a=3 and b =3)", + "Result": [ + "1 1 1", + "2 2 2", + "3 3 3", + "6 6 6" + ], + "Plan": [ + "TableReader_7 39.97 root partition:p0,p1 data:Selection_6", + "└─Selection_6 39.97 cop[tikv] or(in(test_partition.t1.a, 1, 6), or(in(test_partition.t1.b, 1, 2), and(eq(test_partition.t1.a, 3), eq(test_partition.t1.b, 3))))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_10 40.06 root partition:p0,p1 index:Selection_9", + "└─Selection_9 40.06 cop[tikv] or(in(test_partition_1.t1.a, 1, 6), or(in(test_partition_1.t1.b, 1, 2), and(eq(test_partition_1.t1.a, 3), eq(test_partition_1.t1.b, 3))))", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a in (1,6)", + "Result": [ + "1 1 1", + "6 6 6" + ], + "Plan": [ + "TableReader_7 20.00 root partition:p0,p1 data:Selection_6", + "└─Selection_6 20.00 cop[tikv] in(test_partition.t1.a, 1, 6)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 20.00 root partition:p0,p1 index:IndexRangeScan_5", + "└─IndexRangeScan_5 20.00 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], [6,6], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a in (1,6) or (a=3 and b =3)", + "Result": [ + "1 1 1", + "3 3 3", + "6 6 6" + ], + "Plan": [ + "TableReader_7 20.01 root partition:p0,p1 data:Selection_6", + "└─Selection_6 20.01 cop[tikv] or(in(test_partition.t1.a, 1, 6), and(eq(test_partition.t1.a, 3), eq(test_partition.t1.b, 3)))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 20.10 root partition:p0,p1 index:IndexRangeScan_5", + "└─IndexRangeScan_5 20.10 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], [3 3,3 3], [6,6], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a in (1,6) and (a=3 and b =3)", + "Result": null, + "Plan": [ + "TableDual_5 8000.00 root rows:0" + ], + "IndexPlan": [ + "TableDual_5 8000.00 root rows:0" + ] + }, + { + "SQL": "select * from t1 where a = 1 and (b=6 or a=6)", + "Result": null, + "Plan": [ + "TableReader_7 0.01 root partition:dual data:Selection_6", + "└─Selection_6 0.01 cop[tikv] eq(test_partition.t1.a, 1), or(eq(test_partition.t1.b, 6), 0)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 0.10 root partition:dual index:IndexRangeScan_5", + "└─IndexRangeScan_5 0.10 cop[tikv] table:t1, index:a(a, b, id) range:[1 6,1 6], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 100 and (b=200 or a=200)", + "Result": null, + "Plan": [ + "TableReader_7 0.01 root partition:dual data:Selection_6", + "└─Selection_6 0.01 cop[tikv] eq(test_partition.t1.a, 100), or(eq(test_partition.t1.b, 200), 0)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_6 0.10 root partition:dual index:IndexRangeScan_5", + "└─IndexRangeScan_5 0.10 cop[tikv] table:t1, index:a(a, b, id) range:[100 200,100 200], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a = 1 or (a+b=3)", + "Result": [ + "1 1 1" + ], + "Plan": [ + "TableReader_7 8002.00 root partition:all data:Selection_6", + "└─Selection_6 8002.00 cop[tikv] or(eq(test_partition.t1.a, 1), eq(plus(test_partition.t1.a, test_partition.t1.b), 3))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_10 8002.00 root partition:all index:Selection_9", + "└─Selection_9 8002.00 cop[tikv] or(eq(test_partition_1.t1.a, 1), eq(plus(test_partition_1.t1.a, test_partition_1.t1.b), 3))", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where id = 1 or id=2", + "Result": [ + "1 1 1", + "2 2 2" + ], + "Plan": [ + "TableReader_7 20.00 root partition:all data:Selection_6", + "└─Selection_6 20.00 cop[tikv] or(eq(test_partition.t1.id, 1), eq(test_partition.t1.id, 2))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_10 20.00 root partition:all index:Selection_9", + "└─Selection_9 20.00 cop[tikv] or(eq(test_partition_1.t1.id, 1), eq(test_partition_1.t1.id, 2))", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where id = 1 and a=1", + "Result": [ + "1 1 1" + ], + "Plan": [ + "TableReader_7 0.01 root partition:p0 data:Selection_6", + "└─Selection_6 0.01 cop[tikv] eq(test_partition.t1.a, 1), eq(test_partition.t1.id, 1)", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_7 0.01 root partition:p0 index:Selection_6", + "└─Selection_6 0.01 cop[tikv] eq(test_partition_1.t1.id, 1)", + " └─IndexRangeScan_5 10.00 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 partition(p1) where a = 1 or b = 2", + "Result": null, + "Plan": [ + "TableReader_7 19.99 root partition:dual data:Selection_6", + "└─Selection_6 19.99 cop[tikv] or(eq(test_partition.t1.a, 1), eq(test_partition.t1.b, 2))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "IndexReader_10 19.99 root partition:dual index:Selection_9", + "└─Selection_9 19.99 cop[tikv] or(eq(test_partition_1.t1.a, 1), eq(test_partition_1.t1.b, 2))", + " └─IndexFullScan_8 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 join t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3) and (t2.a = 6 and t2.b = 6)", + "Result": null, + "Plan": [ + "Projection_7 0.01 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t2.id, test_partition.t2.a, test_partition.t2.b", + "└─HashJoin_9 0.01 root inner join, equal:[eq(test_partition.t2.id, test_partition.t1.id)]", + " ├─TableReader_12(Build) 0.01 root partition:p1 data:Selection_11", + " │ └─Selection_11 0.01 cop[tikv] eq(test_partition.t2.a, 6), eq(test_partition.t2.b, 6), not(isnull(test_partition.t2.id))", + " │ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_15(Probe) 19.98 root partition:p0 data:Selection_14", + " └─Selection_14 19.98 cop[tikv] not(isnull(test_partition.t1.id)), or(eq(test_partition.t1.a, 1), eq(test_partition.t1.a, 3))", + " └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "Projection_7 1.25 root test_partition_1.t1.id, test_partition_1.t1.a, test_partition_1.t1.b, test_partition_1.t2.id, test_partition_1.t2.a, test_partition_1.t2.b", + "└─HashJoin_15 1.25 root inner join, equal:[eq(test_partition_1.t2.id, test_partition_1.t1.id)]", + " ├─IndexReader_20(Build) 1.00 root partition:p1 index:IndexRangeScan_19", + " │ └─IndexRangeScan_19 1.00 cop[tikv] table:t2, index:a(a, b, id) range:[6 6 -inf,6 6 +inf], keep order:false, stats:pseudo", + " └─IndexReader_18(Probe) 19.98 root partition:p0 index:Selection_17", + " └─Selection_17 19.98 cop[tikv] not(isnull(test_partition_1.t1.id))", + " └─IndexRangeScan_16 20.00 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], [3,3], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 join t1 as t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3) and (t2.a = 6 and t2.b = 6)", + "Result": null, + "Plan": [ + "Projection_7 0.01 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t1.id, test_partition.t1.a, test_partition.t1.b", + "└─HashJoin_9 0.01 root inner join, equal:[eq(test_partition.t1.id, test_partition.t1.id)]", + " ├─TableReader_12(Build) 0.01 root partition:p1 data:Selection_11", + " │ └─Selection_11 0.01 cop[tikv] eq(test_partition.t1.a, 6), eq(test_partition.t1.b, 6), not(isnull(test_partition.t1.id))", + " │ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_15(Probe) 19.98 root partition:p0 data:Selection_14", + " └─Selection_14 19.98 cop[tikv] not(isnull(test_partition.t1.id)), or(eq(test_partition.t1.a, 1), eq(test_partition.t1.a, 3))", + " └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "Projection_7 1.25 root test_partition_1.t1.id, test_partition_1.t1.a, test_partition_1.t1.b, test_partition_1.t1.id, test_partition_1.t1.a, test_partition_1.t1.b", + "└─HashJoin_15 1.25 root inner join, equal:[eq(test_partition_1.t1.id, test_partition_1.t1.id)]", + " ├─IndexReader_20(Build) 1.00 root partition:p1 index:IndexRangeScan_19", + " │ └─IndexRangeScan_19 1.00 cop[tikv] table:t2, index:a(a, b, id) range:[6 6 -inf,6 6 +inf], keep order:false, stats:pseudo", + " └─IndexReader_18(Probe) 19.98 root partition:p0 index:Selection_17", + " └─Selection_17 19.98 cop[tikv] not(isnull(test_partition_1.t1.id))", + " └─IndexRangeScan_16 20.00 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], [3,3], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where t1.a in (select b from t2 where a in (1,2)) order by a", + "Result": [ + "1 1 1", + "2 2 2" + ], + "Plan": [ + "Sort_11 19.98 root test_partition.t1.a", + "└─HashJoin_15 19.98 root inner join, equal:[eq(test_partition.t2.b, test_partition.t1.a)]", + " ├─HashAgg_21(Build) 15.98 root group by:test_partition.t2.b, funcs:firstrow(test_partition.t2.b)->test_partition.t2.b", + " │ └─TableReader_22 15.98 root partition:p0 data:HashAgg_16", + " │ └─HashAgg_16 15.98 cop[tikv] group by:test_partition.t2.b, ", + " │ └─Selection_20 19.98 cop[tikv] in(test_partition.t2.a, 1, 2), not(isnull(test_partition.t2.b))", + " │ └─TableFullScan_19 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_28(Probe) 9990.00 root partition:all data:Selection_27", + " └─Selection_27 9990.00 cop[tikv] not(isnull(test_partition.t1.a))", + " └─TableFullScan_26 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "Sort_11 199.80 root test_partition_1.t1.a", + "└─IndexJoin_17 199.80 root inner join, inner:IndexReader_16, outer key:test_partition_1.t2.b, inner key:test_partition_1.t1.a, equal cond:eq(test_partition_1.t2.b, test_partition_1.t1.a)", + " ├─HashAgg_26(Build) 159.84 root group by:test_partition_1.t2.b, funcs:firstrow(test_partition_1.t2.b)->test_partition_1.t2.b", + " │ └─IndexReader_27 159.84 root partition:p0 index:HashAgg_22", + " │ └─HashAgg_22 159.84 cop[tikv] group by:test_partition_1.t2.b, ", + " │ └─IndexRangeScan_25 199.80 cop[tikv] table:t2, index:a(a, b, id) range:[1 -inf,1 +inf], [2 -inf,2 +inf], keep order:false, stats:pseudo", + " └─IndexReader_16(Probe) 1.25 root partition:all index:Selection_15", + " └─Selection_15 1.25 cop[tikv] not(isnull(test_partition_1.t1.a))", + " └─IndexRangeScan_14 1.25 cop[tikv] table:t1, index:a(a, b, id) range: decided by [eq(test_partition_1.t1.a, test_partition_1.t2.b)], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where t1.a in (select b from t1 where a in (1,2)) order by a", + "Result": [ + "1 1 1", + "2 2 2" + ], + "Plan": [ + "Sort_11 19.98 root test_partition.t1.a", + "└─HashJoin_15 19.98 root inner join, equal:[eq(test_partition.t1.b, test_partition.t1.a)]", + " ├─HashAgg_21(Build) 15.98 root group by:test_partition.t1.b, funcs:firstrow(test_partition.t1.b)->test_partition.t1.b", + " │ └─TableReader_22 15.98 root partition:p0 data:HashAgg_16", + " │ └─HashAgg_16 15.98 cop[tikv] group by:test_partition.t1.b, ", + " │ └─Selection_20 19.98 cop[tikv] in(test_partition.t1.a, 1, 2), not(isnull(test_partition.t1.b))", + " │ └─TableFullScan_19 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + " └─TableReader_28(Probe) 9990.00 root partition:all data:Selection_27", + " └─Selection_27 9990.00 cop[tikv] not(isnull(test_partition.t1.a))", + " └─TableFullScan_26 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "Sort_11 199.80 root test_partition_1.t1.a", + "└─IndexJoin_17 199.80 root inner join, inner:IndexReader_16, outer key:test_partition_1.t1.b, inner key:test_partition_1.t1.a, equal cond:eq(test_partition_1.t1.b, test_partition_1.t1.a)", + " ├─HashAgg_26(Build) 159.84 root group by:test_partition_1.t1.b, funcs:firstrow(test_partition_1.t1.b)->test_partition_1.t1.b", + " │ └─IndexReader_27 159.84 root partition:p0 index:HashAgg_22", + " │ └─HashAgg_22 159.84 cop[tikv] group by:test_partition_1.t1.b, ", + " │ └─IndexRangeScan_25 199.80 cop[tikv] table:t1, index:a(a, b, id) range:[1 -inf,1 +inf], [2 -inf,2 +inf], keep order:false, stats:pseudo", + " └─IndexReader_16(Probe) 1.25 root partition:all index:Selection_15", + " └─Selection_15 1.25 cop[tikv] not(isnull(test_partition_1.t1.a))", + " └─IndexRangeScan_14 1.25 cop[tikv] table:t1, index:a(a, b, id) range: decided by [eq(test_partition_1.t1.a, test_partition_1.t1.b)], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 left join t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3) and t2.a in (6,7,8)", + "Result": null, + "Plan": [ + "HashJoin_8 24.98 root inner join, equal:[eq(test_partition.t1.id, test_partition.t2.id)]", + "├─TableReader_11(Build) 19.98 root partition:p0 data:Selection_10", + "│ └─Selection_10 19.98 cop[tikv] not(isnull(test_partition.t1.id)), or(eq(test_partition.t1.a, 1), eq(test_partition.t1.a, 3))", + "│ └─TableFullScan_9 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─TableReader_14(Probe) 29.97 root partition:p1 data:Selection_13", + " └─Selection_13 29.97 cop[tikv] in(test_partition.t2.a, 6, 7, 8), not(isnull(test_partition.t2.id))", + " └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "HashJoin_8 24.98 root inner join, equal:[eq(test_partition_1.t1.id, test_partition_1.t2.id)]", + "├─IndexReader_11(Build) 19.98 root partition:p0 index:Selection_10", + "│ └─Selection_10 19.98 cop[tikv] not(isnull(test_partition_1.t1.id))", + "│ └─IndexRangeScan_9 20.00 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], [3,3], keep order:false, stats:pseudo", + "└─IndexReader_14(Probe) 29.97 root partition:p1 index:Selection_13", + " └─Selection_13 29.97 cop[tikv] not(isnull(test_partition_1.t2.id))", + " └─IndexRangeScan_12 30.00 cop[tikv] table:t2, index:a(a, b, id) range:[6,6], [7,7], [8,8], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 right join t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3) and t2.a in (1,2,3)", + "Result": [ + "1 1 1 1 1 1", + "3 3 3 3 3 3" + ], + "Plan": [ + "HashJoin_8 24.98 root inner join, equal:[eq(test_partition.t1.id, test_partition.t2.id)]", + "├─TableReader_11(Build) 19.98 root partition:p0 data:Selection_10", + "│ └─Selection_10 19.98 cop[tikv] not(isnull(test_partition.t1.id)), or(eq(test_partition.t1.a, 1), eq(test_partition.t1.a, 3))", + "│ └─TableFullScan_9 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + "└─TableReader_14(Probe) 29.97 root partition:p0 data:Selection_13", + " └─Selection_13 29.97 cop[tikv] in(test_partition.t2.a, 1, 2, 3), not(isnull(test_partition.t2.id))", + " └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "HashJoin_8 24.98 root inner join, equal:[eq(test_partition_1.t1.id, test_partition_1.t2.id)]", + "├─IndexReader_11(Build) 19.98 root partition:p0 index:Selection_10", + "│ └─Selection_10 19.98 cop[tikv] not(isnull(test_partition_1.t1.id))", + "│ └─IndexRangeScan_9 20.00 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], [3,3], keep order:false, stats:pseudo", + "└─IndexReader_14(Probe) 29.97 root partition:p0 index:Selection_13", + " └─Selection_13 29.97 cop[tikv] not(isnull(test_partition_1.t2.id))", + " └─IndexRangeScan_12 30.00 cop[tikv] table:t2, index:a(a, b, id) range:[1,1], [2,2], [3,3], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 join t2 on true where t1.a=5 and t2.a in (6,7,8) and t2.b = 6", + "Result": [ + "5 5 5 6 6 6" + ], + "Plan": [ + "Projection_7 80.00 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t2.id, test_partition.t2.a, test_partition.t2.b", + "└─HashJoin_9 80.00 root CARTESIAN inner join", + " ├─TableReader_12(Build) 8.00 root partition:p1 data:Selection_11", + " │ └─Selection_11 8.00 cop[tikv] 1, eq(test_partition.t2.b, 6), in(test_partition.t2.a, 6, 7, 8)", + " │ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_15(Probe) 10.00 root partition:p0 data:Selection_14", + " └─Selection_14 10.00 cop[tikv] 1, eq(test_partition.t1.a, 5)", + " └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "Projection_7 300.00 root test_partition_1.t1.id, test_partition_1.t1.a, test_partition_1.t1.b, test_partition_1.t2.id, test_partition_1.t2.a, test_partition_1.t2.b", + "└─HashJoin_9 300.00 root CARTESIAN inner join", + " ├─IndexReader_11(Build) 3.00 root partition:p1 index:IndexRangeScan_10", + " │ └─IndexRangeScan_10 3.00 cop[tikv] table:t2, index:a(a, b, id) range:[6 6 NULL,6 6 +inf], [7 6 NULL,7 6 +inf], [8 6 NULL,8 6 +inf], keep order:false, stats:pseudo", + " └─IndexReader_13(Probe) 100.00 root partition:p0 index:IndexRangeScan_12", + " └─IndexRangeScan_12 100.00 cop[tikv] table:t1, index:a(a, b, id) range:[5 NULL,5 +inf], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select count(*) from t1 join t2 on t1.b = t2.b where t1.a in (1,2) and t2.a in (1,6) and t1.b in (1,6)", + "Result": [ + "1" + ], + "Plan": [ + "StreamAgg_10 1.00 root funcs:count(1)->Column#9", + "└─HashJoin_11 0.00 root inner join, equal:[eq(test_partition.t1.b, test_partition.t2.b)]", + " ├─TableReader_18(Build) 0.04 root partition:p0,p1 data:Selection_17", + " │ └─Selection_17 0.04 cop[tikv] in(test_partition.t2.a, 1, 6), in(test_partition.t2.b, 1, 6), not(isnull(test_partition.t2.b))", + " │ └─TableFullScan_16 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_15(Probe) 0.04 root partition:p0 data:Selection_14", + " └─Selection_14 0.04 cop[tikv] in(test_partition.t1.a, 1, 2), in(test_partition.t1.b, 1, 6), not(isnull(test_partition.t1.b))", + " └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "StreamAgg_10 1.00 root funcs:count(1)->Column#9", + "└─HashJoin_23 0.10 root inner join, equal:[eq(test_partition_1.t1.b, test_partition_1.t2.b)]", + " ├─IndexReader_30(Build) 0.40 root partition:p0,p1 index:Selection_29", + " │ └─Selection_29 0.40 cop[tikv] not(isnull(test_partition_1.t2.b))", + " │ └─IndexRangeScan_28 0.40 cop[tikv] table:t2, index:a(a, b, id) range:[1 1,1 1], [1 6,1 6], [6 1,6 1], [6 6,6 6], keep order:false, stats:pseudo", + " └─IndexReader_27(Probe) 0.40 root partition:p0 index:Selection_26", + " └─Selection_26 0.40 cop[tikv] not(isnull(test_partition_1.t1.b))", + " └─IndexRangeScan_25 0.40 cop[tikv] table:t1, index:a(a, b, id) range:[1 1,1 1], [1 6,1 6], [2 1,2 1], [2 6,2 6], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select /*+ INL_JOIN(t2,t1) */ count(*) from t2 join t1 on t2.b = t1.b where t2.a in (1,2) and t1.a in (1,6) and t1.b in (1,6)", + "Result": [ + "1" + ], + "Plan": [ + "StreamAgg_9 1.00 root funcs:count(1)->Column#9", + "└─HashJoin_10 0.00 root inner join, equal:[eq(test_partition.t2.b, test_partition.t1.b)]", + " ├─TableReader_17(Build) 0.04 root partition:p0,p1 data:Selection_16", + " │ └─Selection_16 0.04 cop[tikv] in(test_partition.t1.a, 1, 6), in(test_partition.t1.b, 1, 6), not(isnull(test_partition.t1.b))", + " │ └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + " └─TableReader_14(Probe) 0.04 root partition:p0 data:Selection_13", + " └─Selection_13 0.04 cop[tikv] in(test_partition.t2.a, 1, 2), in(test_partition.t2.b, 1, 6), not(isnull(test_partition.t2.b))", + " └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "StreamAgg_9 1.00 root funcs:count(1)->Column#9", + "└─IndexJoin_13 0.10 root inner join, inner:IndexReader_12, outer key:test_partition_1.t2.b, inner key:test_partition_1.t1.b, equal cond:eq(test_partition_1.t2.b, test_partition_1.t1.b)", + " ├─IndexReader_24(Build) 0.40 root partition:p0 index:Selection_23", + " │ └─Selection_23 0.40 cop[tikv] not(isnull(test_partition_1.t2.b))", + " │ └─IndexRangeScan_22 0.40 cop[tikv] table:t2, index:a(a, b, id) range:[1 1,1 1], [1 6,1 6], [2 1,2 1], [2 6,2 6], keep order:false, stats:pseudo", + " └─IndexReader_12(Probe) 0.32 root partition:p0,p1 index:Selection_11", + " └─Selection_11 0.32 cop[tikv] in(test_partition_1.t1.b, 1, 6), not(isnull(test_partition_1.t1.b))", + " └─IndexRangeScan_10 160.00 cop[tikv] table:t1, index:a(a, b, id) range: decided by [eq(test_partition_1.t1.b, test_partition_1.t2.b) in(test_partition_1.t1.a, 1, 6)], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select /*+ INL_HASH_JOIN(t1,t2) */ count(*) from t2 join t1 on t2.b = t1.b where t2.a in (1,2) and t1.a in (1,6) and t1.b in (6,1)", + "Result": [ + "1" + ], + "Plan": [ + "StreamAgg_9 1.00 root funcs:count(1)->Column#9", + "└─HashJoin_10 0.00 root inner join, equal:[eq(test_partition.t2.b, test_partition.t1.b)]", + " ├─TableReader_17(Build) 0.04 root partition:p0,p1 data:Selection_16", + " │ └─Selection_16 0.04 cop[tikv] in(test_partition.t1.a, 1, 6), in(test_partition.t1.b, 6, 1), not(isnull(test_partition.t1.b))", + " │ └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + " └─TableReader_14(Probe) 0.04 root partition:p0 data:Selection_13", + " └─Selection_13 0.04 cop[tikv] in(test_partition.t2.a, 1, 2), in(test_partition.t2.b, 6, 1), not(isnull(test_partition.t2.b))", + " └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "StreamAgg_9 1.00 root funcs:count(1)->Column#9", + "└─IndexHashJoin_15 0.10 root inner join, inner:IndexReader_12, outer key:test_partition_1.t2.b, inner key:test_partition_1.t1.b, equal cond:eq(test_partition_1.t2.b, test_partition_1.t1.b)", + " ├─IndexReader_24(Build) 0.40 root partition:p0 index:Selection_23", + " │ └─Selection_23 0.40 cop[tikv] not(isnull(test_partition_1.t2.b))", + " │ └─IndexRangeScan_22 0.40 cop[tikv] table:t2, index:a(a, b, id) range:[1 1,1 1], [1 6,1 6], [2 1,2 1], [2 6,2 6], keep order:false, stats:pseudo", + " └─IndexReader_12(Probe) 0.32 root partition:p0,p1 index:Selection_11", + " └─Selection_11 0.32 cop[tikv] in(test_partition_1.t1.b, 6, 1), not(isnull(test_partition_1.t1.b))", + " └─IndexRangeScan_10 160.00 cop[tikv] table:t1, index:a(a, b, id) range: decided by [eq(test_partition_1.t1.b, test_partition_1.t2.b) in(test_partition_1.t1.a, 1, 6)], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select /*+ INL_HASH_JOIN(t1,t2) */ count(*) from t2 join t1 on t2.b = t1.b where t2.a in (1,2) and t1.a in (1,6) and t1.b in (100,9,6)", + "Result": [ + "0" + ], + "Plan": [ + "StreamAgg_9 1.00 root funcs:count(1)->Column#9", + "└─HashJoin_10 0.00 root inner join, equal:[eq(test_partition.t2.b, test_partition.t1.b)]", + " ├─TableReader_17(Build) 0.06 root partition:p1 data:Selection_16", + " │ └─Selection_16 0.06 cop[tikv] in(test_partition.t1.a, 1, 6), in(test_partition.t1.b, 100, 9, 6), not(isnull(test_partition.t1.b))", + " │ └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + " └─TableReader_14(Probe) 0.06 root partition:dual data:Selection_13", + " └─Selection_13 0.06 cop[tikv] in(test_partition.t2.a, 1, 2), in(test_partition.t2.b, 100, 9, 6), not(isnull(test_partition.t2.b))", + " └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "StreamAgg_9 1.00 root funcs:count(1)->Column#9", + "└─IndexHashJoin_15 0.23 root inner join, inner:IndexReader_12, outer key:test_partition_1.t2.b, inner key:test_partition_1.t1.b, equal cond:eq(test_partition_1.t2.b, test_partition_1.t1.b)", + " ├─IndexReader_24(Build) 0.60 root partition:dual index:Selection_23", + " │ └─Selection_23 0.60 cop[tikv] not(isnull(test_partition_1.t2.b))", + " │ └─IndexRangeScan_22 0.60 cop[tikv] table:t2, index:a(a, b, id) range:[1 6,1 6], [1 9,1 9], [1 100,1 100], [2 6,2 6], [2 9,2 9], [2 100,2 100], keep order:false, stats:pseudo", + " └─IndexReader_12(Probe) 0.48 root partition:p1 index:Selection_11", + " └─Selection_11 0.48 cop[tikv] in(test_partition_1.t1.b, 100, 9, 6), not(isnull(test_partition_1.t1.b))", + " └─IndexRangeScan_10 160.00 cop[tikv] table:t1, index:a(a, b, id) range: decided by [eq(test_partition_1.t1.b, test_partition_1.t2.b) in(test_partition_1.t1.a, 1, 6)], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select /*+ INL_HASH_JOIN(t1,t2) */ count(*) from t2 join t1 on t2.b = t1.b where t2.a in (1,2) and t1.a in (1,6) and t1.b in (100,9,6,1)", + "Result": [ + "1" + ], + "Plan": [ + "StreamAgg_9 1.00 root funcs:count(1)->Column#9", + "└─HashJoin_10 0.01 root inner join, equal:[eq(test_partition.t2.b, test_partition.t1.b)]", + " ├─TableReader_17(Build) 0.08 root partition:p0,p1 data:Selection_16", + " │ └─Selection_16 0.08 cop[tikv] in(test_partition.t1.a, 1, 6), in(test_partition.t1.b, 100, 9, 6, 1), not(isnull(test_partition.t1.b))", + " │ └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + " └─TableReader_14(Probe) 0.08 root partition:p0 data:Selection_13", + " └─Selection_13 0.08 cop[tikv] in(test_partition.t2.a, 1, 2), in(test_partition.t2.b, 100, 9, 6, 1), not(isnull(test_partition.t2.b))", + " └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "StreamAgg_9 1.00 root funcs:count(1)->Column#9", + "└─IndexHashJoin_15 0.41 root inner join, inner:IndexReader_12, outer key:test_partition_1.t2.b, inner key:test_partition_1.t1.b, equal cond:eq(test_partition_1.t2.b, test_partition_1.t1.b)", + " ├─IndexReader_24(Build) 0.80 root partition:p0 index:Selection_23", + " │ └─Selection_23 0.80 cop[tikv] not(isnull(test_partition_1.t2.b))", + " │ └─IndexRangeScan_22 0.80 cop[tikv] table:t2, index:a(a, b, id) range:[1 1,1 1], [1 6,1 6], [1 9,1 9], [1 100,1 100], [2 1,2 1], [2 6,2 6], [2 9,2 9], [2 100,2 100], keep order:false, stats:pseudo", + " └─IndexReader_12(Probe) 0.64 root partition:p0,p1 index:Selection_11", + " └─Selection_11 0.64 cop[tikv] in(test_partition_1.t1.b, 100, 9, 6, 1), not(isnull(test_partition_1.t1.b))", + " └─IndexRangeScan_10 160.00 cop[tikv] table:t1, index:a(a, b, id) range: decided by [eq(test_partition_1.t1.b, test_partition_1.t2.b) in(test_partition_1.t1.a, 1, 6)], keep order:false, stats:pseudo" + ] + }, + { + "SQL": "select * from t1 where a in (1,2,3) union select * from t1 where b in (6,7,8) order by a", + "Result": [ + "1 1 1", + "2 2 2", + "3 3 3", + "6 6 6", + "7 7 7", + "8 8 8" + ], + "Plan": [ + "Sort_12 48.00 root Column#10", + "└─HashAgg_14 48.00 root group by:Column#10, Column#11, Column#9, funcs:firstrow(Column#9)->Column#9, funcs:firstrow(Column#10)->Column#10, funcs:firstrow(Column#11)->Column#11", + " └─Union_15 60.00 root ", + " ├─TableReader_19 30.00 root partition:p0 data:Selection_18", + " │ └─Selection_18 30.00 cop[tikv] in(test_partition.t1.a, 1, 2, 3)", + " │ └─TableFullScan_17 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + " └─TableReader_23 30.00 root partition:p1 data:Selection_22", + " └─Selection_22 30.00 cop[tikv] in(test_partition.t1.b, 6, 7, 8)", + " └─TableFullScan_21 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ], + "IndexPlan": [ + "Sort_12 48.00 root Column#10", + "└─HashAgg_14 48.00 root group by:Column#10, Column#11, Column#9, funcs:firstrow(Column#9)->Column#9, funcs:firstrow(Column#10)->Column#10, funcs:firstrow(Column#11)->Column#11", + " └─Union_15 60.00 root ", + " ├─IndexReader_18 30.00 root partition:p0 index:IndexRangeScan_17", + " │ └─IndexRangeScan_17 30.00 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], [2,2], [3,3], keep order:false, stats:pseudo", + " └─IndexReader_25 30.00 root partition:p1 index:Selection_24", + " └─Selection_24 30.00 cop[tikv] in(test_partition_1.t1.b, 6, 7, 8)", + " └─IndexFullScan_23 10000.00 cop[tikv] table:t1, index:a(a, b, id) keep order:false, stats:pseudo" ] } ] diff --git a/table/tables/partition.go b/table/tables/partition.go index 6483747aa283d..c0502e45b36e7 100644 --- a/table/tables/partition.go +++ b/table/tables/partition.go @@ -31,11 +31,13 @@ import ( "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/chunk" + "github.com/pingcap/tidb/util/codec" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/mock" "go.uber.org/zap" @@ -117,7 +119,7 @@ func newPartitionExpr(tblInfo *model.TableInfo) (*PartitionExpr, error) { case model.PartitionTypeHash: return generateHashPartitionExpr(ctx, pi, columns, names) case model.PartitionTypeList: - return generateListPartitionExpr(ctx, pi, columns, names) + return generateListPartitionExpr(ctx, tblInfo, columns, names) } panic("cannot reach here") } @@ -199,8 +201,169 @@ func parseSimpleExprWithNames(p *parser.Parser, ctx sessionctx.Context, exprStr // ForListPruning is used for list partition pruning. type ForListPruning struct { - Exprs []expression.Expression - ExprCols []*expression.Column + // LocateExpr uses to locate list partition by row. + LocateExpr expression.Expression + // PruneExpr uses to prune list partition in partition pruner. + PruneExpr expression.Expression + // PruneExprCols is the columns of PruneExpr, it has removed the duplicate columns. + PruneExprCols []*expression.Column + // valueMap is column value -> partition idx, uses to locate list partition. + valueMap map[int64]int + // nullPartitionIdx is the partition idx for null value. + nullPartitionIdx int + + // For list columns partition pruning + ColPrunes []*ForListColumnPruning +} + +// ForListColumnPruning is used for list columns partition pruning. +type ForListColumnPruning struct { + ExprCol *expression.Column + valueTp *types.FieldType + valueMap map[string]ListPartitionLocation +} + +// ListPartitionGroup indicate the group index of the column value in a partition. +type ListPartitionGroup struct { + // Such as: list columns (a,b) (partition p0 values in ((1,5),(1,6))); + // For the column a which value is 1, the ListPartitionGroup is: + // ListPartitionGroup { + // PartIdx: 0, // 0 is the partition p0 index in all partitions. + // GroupIdxs: []int{0,1}, // p0 has 2 value group: (1,5) and (1,6), and they both contain the column a where value is 1; + // } // the value of GroupIdxs `0,1` is the index of the value group that contain the column a which value is 1. + PartIdx int + GroupIdxs []int +} + +// ListPartitionLocation indicate the partition location for the column value in list columns partition. +// Here is an example: +// Suppose the list columns partition is: list columns (a,b) (partition p0 values in ((1,5),(1,6)), partition p1 values in ((1,7),(9,9))); +// How to express the location of the column a which value is 1? +// For the column a which value is 1, both partition p0 and p1 contain the column a which value is 1. +// In partition p0, both value group0 (1,5) and group1 (1,6) are contain the column a which value is 1. +// In partition p1, value group0 (1,7) contains the column a which value is 1. +// So, the ListPartitionLocation of column a which value is 1 is: +// []ListPartitionGroup{ +// { +// PartIdx: 0, // `0` is the partition p0 index in all partitions. +// GroupIdxs: []int{0, 1} // `0,1` is the index of the value group0, group1. +// }, +// { +// PartIdx: 1, // `1` is the partition p1 index in all partitions. +// GroupIdxs: []int{0} // `0` is the index of the value group0. +// }, +// } +type ListPartitionLocation []ListPartitionGroup + +// IsEmpty returns true if the ListPartitionLocation is empty. +func (ps ListPartitionLocation) IsEmpty() bool { + for _, pg := range ps { + if len(pg.GroupIdxs) > 0 { + return false + } + } + return true +} + +func (ps ListPartitionLocation) findByPartitionIdx(partIdx int) int { + for i, p := range ps { + if p.PartIdx == partIdx { + return i + } + } + return -1 +} + +type listPartitionLocationHelper struct { + initialized bool + location ListPartitionLocation +} + +// NewListPartitionLocationHelper returns a new listPartitionLocationHelper. +func NewListPartitionLocationHelper() *listPartitionLocationHelper { + return &listPartitionLocationHelper{} +} + +// GetLocation gets the list partition location. +func (p *listPartitionLocationHelper) GetLocation() ListPartitionLocation { + return p.location +} + +// UnionPartitionGroup unions with the list-partition-value-group. +func (p *listPartitionLocationHelper) UnionPartitionGroup(pg ListPartitionGroup) { + idx := p.location.findByPartitionIdx(pg.PartIdx) + if idx < 0 { + // copy the group idx. + groupIdxs := make([]int, len(pg.GroupIdxs)) + copy(groupIdxs, pg.GroupIdxs) + p.location = append(p.location, ListPartitionGroup{ + PartIdx: pg.PartIdx, + GroupIdxs: groupIdxs, + }) + return + } + p.location[idx].union(pg) +} + +// Union unions with the other location. +func (p *listPartitionLocationHelper) Union(location ListPartitionLocation) { + for _, pg := range location { + p.UnionPartitionGroup(pg) + } +} + +// Intersect intersect with other location. +func (p *listPartitionLocationHelper) Intersect(location ListPartitionLocation) bool { + if !p.initialized { + p.initialized = true + p.location = make([]ListPartitionGroup, 0, len(location)) + p.location = append(p.location, location...) + return true + } + currPgs := p.location + var remainPgs []ListPartitionGroup + for _, pg := range location { + idx := currPgs.findByPartitionIdx(pg.PartIdx) + if idx < 0 { + continue + } + if !currPgs[idx].intersect(pg) { + continue + } + remainPgs = append(remainPgs, currPgs[idx]) + } + p.location = remainPgs + return len(remainPgs) > 0 +} + +func (pg *ListPartitionGroup) intersect(otherPg ListPartitionGroup) bool { + if pg.PartIdx != otherPg.PartIdx { + return false + } + var groupIdxs []int + for _, gidx := range otherPg.GroupIdxs { + if pg.findGroupIdx(gidx) { + groupIdxs = append(groupIdxs, gidx) + } + } + pg.GroupIdxs = groupIdxs + return len(groupIdxs) > 0 +} + +func (pg *ListPartitionGroup) union(otherPg ListPartitionGroup) { + if pg.PartIdx != otherPg.PartIdx { + return + } + pg.GroupIdxs = append(pg.GroupIdxs, otherPg.GroupIdxs...) +} + +func (pg *ListPartitionGroup) findGroupIdx(groupIdx int) bool { + for _, gidx := range pg.GroupIdxs { + if gidx == groupIdx { + return true + } + } + return false } // ForRangePruning is used for range partition pruning. @@ -387,157 +550,237 @@ func extractListPartitionExprColumns(ctx sessionctx.Context, pi *model.Partition for _, col := range cols { if findIdxByColUniqueID(deDupCols, col) < 0 { c := col.Clone().(*expression.Column) - c.Index = len(deDupCols) deDupCols = append(deDupCols, c) } } return deDupCols, offset, nil } -func generateListPartitionExpr(ctx sessionctx.Context, pi *model.PartitionInfo, +func generateListPartitionExpr(ctx sessionctx.Context, tblInfo *model.TableInfo, columns []*expression.Column, names types.NameSlice) (*PartitionExpr, error) { // The caller should assure partition info is not nil. - locateExprs := make([]expression.Expression, 0, len(pi.Definitions)) - pruneExprs := make([]expression.Expression, 0, len(pi.Definitions)) - schema := expression.NewSchema(columns...) + pi := tblInfo.GetPartitionInfo() exprCols, offset, err := extractListPartitionExprColumns(ctx, pi, columns, names) if err != nil { return nil, err } - p := parser.New() - for _, def := range pi.Definitions { - exprStr, err := generateListPartitionExprStr(ctx, pi, schema, names, &def, p) - if err != nil { - return nil, err - } - expr, err := parseSimpleExprWithNames(p, ctx, exprStr, schema, names) - if err != nil { - // If it got an error here, ddl may hang forever, so this error log is important. - logutil.BgLogger().Error("wrong table partition expression", zap.String("expression", exprStr), zap.Error(err)) - return nil, errors.Trace(err) - } - locateExprs = append(locateExprs, expr) - pruneExpr := expr.Clone() - cols := expression.ExtractColumns(pruneExpr) - for _, c := range cols { - idx := findIdxByColUniqueID(exprCols, c) - if idx < 0 { - panic("should never happen") - } - c.Index = idx - } - - pruneExprs = append(pruneExprs, pruneExpr) + listPrune := &ForListPruning{} + if len(pi.Columns) == 0 { + err = listPrune.buildListPruner(ctx, tblInfo, exprCols, columns, names) + } else { + err = listPrune.buildListColumnsPruner(ctx, tblInfo, columns, names) + } + if err != nil { + return nil, err } ret := &PartitionExpr{ - InValues: locateExprs, - ForListPruning: &ForListPruning{Exprs: pruneExprs, ExprCols: exprCols}, + ForListPruning: listPrune, ColumnOffset: offset, } return ret, nil } -func generateListPartitionExprStr(ctx sessionctx.Context, pi *model.PartitionInfo, - schema *expression.Schema, names types.NameSlice, def *model.PartitionDefinition, p *parser.Parser) (string, error) { - if len(pi.Columns) < 2 { - return generateListColumnsPartitionExprStr(ctx, pi, schema, names, def, p) +func (lp *ForListPruning) buildListPruner(ctx sessionctx.Context, tblInfo *model.TableInfo, exprCols []*expression.Column, + columns []*expression.Column, names types.NameSlice) error { + pi := tblInfo.GetPartitionInfo() + schema := expression.NewSchema(columns...) + p := parser.New() + expr, err := parseSimpleExprWithNames(p, ctx, pi.Expr, schema, names) + if err != nil { + // If it got an error here, ddl may hang forever, so this error log is important. + logutil.BgLogger().Error("wrong table partition expression", zap.String("expression", pi.Expr), zap.Error(err)) + return errors.Trace(err) + } + // Since need to change the column index of the expresion, clone the expression first. + lp.LocateExpr = expr.Clone() + lp.PruneExprCols = exprCols + lp.PruneExpr = expr.Clone() + cols := expression.ExtractColumns(lp.PruneExpr) + for _, c := range cols { + idx := findIdxByColUniqueID(exprCols, c) + if idx < 0 { + return table.ErrUnknownColumn.GenWithStackByArgs(c.OrigName) + } + c.Index = idx + } + err = lp.buildListPartitionValueMap(ctx, tblInfo, schema, names, p) + if err != nil { + return err } - return generateMultiListColumnsPartitionExprStr(ctx, pi, schema, names, def, p) + return nil } -func generateListColumnsPartitionExprStr(ctx sessionctx.Context, pi *model.PartitionInfo, - schema *expression.Schema, names types.NameSlice, def *model.PartitionDefinition, p *parser.Parser) (string, error) { - var partStr string - if len(pi.Columns) == 0 { - partStr = pi.Expr - } else if len(pi.Columns) == 1 { - partStr = "`" + pi.Columns[0].L + "`" - } else { - return generateMultiListColumnsPartitionExprStr(ctx, pi, schema, names, def, p) - } - var buf, nullCondBuf bytes.Buffer - fmt.Fprintf(&buf, "(%s in (", partStr) - for i, vs := range def.InValues { - if i > 0 { - buf.WriteByte(',') - } - buf.WriteString(vs[0]) - } - buf.WriteString("))") - for _, vs := range def.InValues { - nullCondBuf.Reset() - hasNull := false - for i, value := range vs { - expr, err := parseSimpleExprWithNames(p, ctx, value, schema, names) +func (lp *ForListPruning) buildListColumnsPruner(ctx sessionctx.Context, tblInfo *model.TableInfo, + columns []*expression.Column, names types.NameSlice) error { + pi := tblInfo.GetPartitionInfo() + schema := expression.NewSchema(columns...) + p := parser.New() + colPrunes := make([]*ForListColumnPruning, 0, len(pi.Columns)) + for colIdx := range pi.Columns { + colInfo := model.FindColumnInfo(tblInfo.Columns, pi.Columns[colIdx].L) + if colInfo == nil { + return table.ErrUnknownColumn.GenWithStackByArgs(pi.Columns[colIdx].L) + } + idx := expression.FindFieldNameIdxByColName(names, pi.Columns[colIdx].L) + if idx < 0 { + return table.ErrUnknownColumn.GenWithStackByArgs(pi.Columns[colIdx].L) + } + colPrune := &ForListColumnPruning{ + ExprCol: columns[idx], + valueTp: &colInfo.FieldType, + valueMap: make(map[string]ListPartitionLocation), + } + err := colPrune.buildPartitionValueMap(ctx, tblInfo, colIdx, schema, names, p) + if err != nil { + return err + } + colPrunes = append(colPrunes, colPrune) + } + lp.ColPrunes = colPrunes + return nil +} + +// buildListPartitionValueMap builds list partition value map. +// The map is column value -> partition index. +// colIdx is the column index in the list columns. +func (lp *ForListPruning) buildListPartitionValueMap(ctx sessionctx.Context, tblInfo *model.TableInfo, + schema *expression.Schema, names types.NameSlice, p *parser.Parser) error { + pi := tblInfo.GetPartitionInfo() + lp.valueMap = map[int64]int{} + lp.nullPartitionIdx = -1 + for partitionIdx, def := range pi.Definitions { + for _, vs := range def.InValues { + expr, err := parseSimpleExprWithNames(p, ctx, vs[0], schema, names) if err != nil { - return "", errors.Trace(err) + return errors.Trace(err) } - v, err := expr.Eval(chunk.Row{}) + v, isNull, err := expr.EvalInt(ctx, chunk.Row{}) if err != nil { - return "", errors.Trace(err) - } - if i > 0 { - nullCondBuf.WriteString(" and ") + return errors.Trace(err) } - if v.IsNull() { - hasNull = true - fmt.Fprintf(&nullCondBuf, "%s is null", partStr) - } else { - fmt.Fprintf(&nullCondBuf, "%s = %s", partStr, value) + if isNull { + lp.nullPartitionIdx = partitionIdx + continue } - } - if hasNull { - fmt.Fprintf(&buf, " or (%s) ", nullCondBuf.String()) + lp.valueMap[v] = partitionIdx } } - return buf.String(), nil + return nil } -func generateMultiListColumnsPartitionExprStr(ctx sessionctx.Context, pi *model.PartitionInfo, - schema *expression.Schema, names types.NameSlice, def *model.PartitionDefinition, p *parser.Parser) (string, error) { - var buf, nullCondBuf bytes.Buffer - var partStr string - for i, col := range pi.Columns { - if i > 0 { - partStr += "," - } - partStr += "`" + col.L + "`" +// LocatePartition locates partition by the column value +func (lp *ForListPruning) LocatePartition(value int64, isNull bool) int { + if isNull { + return lp.nullPartitionIdx } - fmt.Fprintf(&buf, "((%s) in (", partStr) - for i, vs := range def.InValues { - if i > 0 { - buf.WriteByte(',') + partitionIdx, ok := lp.valueMap[value] + if !ok { + return -1 + } + return partitionIdx +} + +func (lp *ForListPruning) locateListPartitionByRow(ctx sessionctx.Context, r []types.Datum) (int, error) { + value, isNull, err := lp.LocateExpr.EvalInt(ctx, chunk.MutRowFromDatums(r).ToRow()) + if err != nil { + return -1, errors.Trace(err) + } + idx := lp.LocatePartition(value, isNull) + if idx >= 0 { + return idx, nil + } + if isNull { + return -1, table.ErrNoPartitionForGivenValue.GenWithStackByArgs("NULL") + } + return -1, table.ErrNoPartitionForGivenValue.GenWithStackByArgs(strconv.FormatInt(value, 10)) +} + +func (lp *ForListPruning) locateListColumnsPartitionByRow(ctx sessionctx.Context, r []types.Datum) (int, error) { + helper := NewListPartitionLocationHelper() + sc := ctx.GetSessionVars().StmtCtx + for _, colPrune := range lp.ColPrunes { + location, err := colPrune.LocatePartition(sc, r[colPrune.ExprCol.Index]) + if err != nil { + return -1, errors.Trace(err) + } + if !helper.Intersect(location) { + break } - fmt.Fprintf(&buf, "(%s)", strings.Join(vs, ",")) } - buf.WriteString("))") - for _, vs := range def.InValues { - nullCondBuf.Reset() - hasNull := false - for i, value := range vs { - expr, err := parseSimpleExprWithNames(p, ctx, value, schema, names) - if err != nil { - return "", errors.Trace(err) - } - v, err := expr.Eval(chunk.Row{}) + location := helper.GetLocation() + if location.IsEmpty() { + return -1, table.ErrNoPartitionForGivenValue.GenWithStackByArgs("from column_list") + } + return location[0].PartIdx, nil +} + +// buildListPartitionValueMap builds list columns partition value map for the specified column. +// colIdx is the specified column index in the list columns. +func (lp *ForListColumnPruning) buildPartitionValueMap(ctx sessionctx.Context, tblInfo *model.TableInfo, colIdx int, + schema *expression.Schema, names types.NameSlice, p *parser.Parser) error { + pi := tblInfo.GetPartitionInfo() + sc := ctx.GetSessionVars().StmtCtx + for partitionIdx, def := range pi.Definitions { + for groupIdx, vs := range def.InValues { + keyBytes, err := lp.genConstExprKey(ctx, sc, vs[colIdx], schema, names, p) if err != nil { - return "", errors.Trace(err) + return errors.Trace(err) } - if i > 0 { - nullCondBuf.WriteString(" and ") - } - if v.IsNull() { - hasNull = true - fmt.Fprintf(&nullCondBuf, "%s is null", pi.Columns[i]) - } else { - fmt.Fprintf(&nullCondBuf, "%s = %s", pi.Columns[i], value) + key := string(keyBytes) + location, ok := lp.valueMap[key] + if ok { + idx := location.findByPartitionIdx(partitionIdx) + if idx != -1 { + location[idx].GroupIdxs = append(location[idx].GroupIdxs, groupIdx) + continue + } } + location = append(location, ListPartitionGroup{ + PartIdx: partitionIdx, + GroupIdxs: []int{groupIdx}, + }) + lp.valueMap[key] = location } - if hasNull { - fmt.Fprintf(&buf, " or (%s) ", nullCondBuf.String()) - } } - return buf.String(), nil + return nil +} + +func (lp *ForListColumnPruning) genConstExprKey(ctx sessionctx.Context, sc *stmtctx.StatementContext, exprStr string, + schema *expression.Schema, names types.NameSlice, p *parser.Parser) ([]byte, error) { + expr, err := parseSimpleExprWithNames(p, ctx, exprStr, schema, names) + if err != nil { + return nil, errors.Trace(err) + } + v, err := expr.Eval(chunk.Row{}) + if err != nil { + return nil, errors.Trace(err) + } + key, err := lp.genKey(sc, v) + if err != nil { + return nil, errors.Trace(err) + } + return key, nil +} + +func (lp *ForListColumnPruning) genKey(sc *stmtctx.StatementContext, v types.Datum) ([]byte, error) { + v, err := v.ConvertTo(sc, lp.valueTp) + if err != nil { + return nil, errors.Trace(err) + } + return codec.EncodeKey(sc, nil, v) +} + +// LocatePartition locates partition by the column value +func (lp *ForListColumnPruning) LocatePartition(sc *stmtctx.StatementContext, v types.Datum) (ListPartitionLocation, error) { + key, err := lp.genKey(sc, v) + if err != nil { + return nil, errors.Trace(err) + } + location, ok := lp.valueMap[string(key)] + if !ok { + return nil, nil + } + return location, nil } func generateHashPartitionExpr(ctx sessionctx.Context, pi *model.PartitionInfo, @@ -651,34 +894,11 @@ func (t *partitionedTable) locateRangeColumnPartition(ctx sessionctx.Context, pi } func (t *partitionedTable) locateListPartition(ctx sessionctx.Context, pi *model.PartitionInfo, r []types.Datum) (int, error) { - for i, expr := range t.partitionExpr.InValues { - ret, _, err := expr.EvalInt(ctx, chunk.MutRowFromDatums(r).ToRow()) - if err != nil { - return 0, errors.Trace(err) - } - if ret > 0 { - return i, nil - } - } - // The data does not belong to any of the partition returns `table has no partition for value %s`. - var valueMsg string - if pi.Expr != "" { - e, err := expression.ParseSimpleExprWithTableInfo(ctx, pi.Expr, t.meta) - if err == nil { - val, isNull, err := e.EvalInt(ctx, chunk.MutRowFromDatums(r).ToRow()) - if err == nil { - if isNull { - valueMsg = fmt.Sprintf("NULL") - } else { - valueMsg = fmt.Sprintf("%d", val) - } - } - } - } else { - // When the table is partitioned by list columns. - valueMsg = "from column_list" + lp := t.partitionExpr.ForListPruning + if len(lp.ColPrunes) == 0 { + return lp.locateListPartitionByRow(ctx, r) } - return 0, table.ErrNoPartitionForGivenValue.GenWithStackByArgs(valueMsg) + return lp.locateListColumnsPartitionByRow(ctx, r) } func (t *partitionedTable) locateRangePartition(ctx sessionctx.Context, pi *model.PartitionInfo, r []types.Datum) (int, error) { From c3576fa0f00d81ee0d395656b4e06a88fd89a8ca Mon Sep 17 00:00:00 2001 From: Zhuomin Liu Date: Wed, 23 Dec 2020 11:26:06 +0800 Subject: [PATCH 0542/1021] planner: fix unknown columns in join using below agg (#21922) Signed-off-by: lzmhhh123 --- executor/join_test.go | 13 +++++++++++-- planner/core/logical_plan_builder.go | 16 ++++++++++++++++ 2 files changed, 27 insertions(+), 2 deletions(-) diff --git a/executor/join_test.go b/executor/join_test.go index 9fd3016640b2e..944c14c853116 100644 --- a/executor/join_test.go +++ b/executor/join_test.go @@ -629,12 +629,12 @@ func (s *testSuiteJoin1) TestUsing(c *C) { tk.MustQuery("select t1.*, t2.* from t1 join t1 t2 using(a)").Check(testkit.Rows("1 1")) tk.MustQuery("select * from t1 join t1 t2 using(a)").Check(testkit.Rows("1")) - // For issue18992 + // For issue 18992 tk.MustExec("drop table t") tk.MustExec("CREATE TABLE t ( a varchar(55) NOT NULL, b varchar(55) NOT NULL, c int(11) DEFAULT NULL, d int(11) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;") tk.MustExec("update t t1 join t t2 using(a,b) set t1.c=t2.d;") - // For issue20467 + // For issue 20467 tk.MustExec(`DROP TABLE if exists t1,t2,t3,t4,t5`) tk.MustExec(`CREATE TABLE t1 (a INT, b INT)`) tk.MustExec(`CREATE TABLE t2 (a INT, b INT)`) @@ -643,6 +643,15 @@ func (s *testSuiteJoin1) TestUsing(c *C) { tk.MustExec(`INSERT INTO t2 VALUES (1,1)`) tk.MustExec(`INSERT INTO t3 VALUES (1,1)`) tk.MustGetErrMsg(`SELECT * FROM t1 JOIN (t2 JOIN t3 USING (b)) USING (a)`, "[planner:1052]Column 'a' in from clause is ambiguous") + + // For issue 6712 + tk.MustExec("drop table if exists t1,t2") + tk.MustExec("create table t1 (t1 int , t0 int)") + tk.MustExec("create table t2 (t2 int, t0 int)") + tk.MustExec("insert into t1 select 11, 1") + tk.MustExec("insert into t2 select 22, 1") + tk.MustQuery("select t1.t0, t2.t0 from t1 join t2 using(t0) group by t1.t0").Check(testkit.Rows("1 1")) + tk.MustQuery("select t1.t0, t2.t0 from t1 join t2 using(t0) having t1.t0 > 0").Check(testkit.Rows("1 1")) } func (s *testSuiteWithData) TestNaturalJoin(c *C) { diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index ca58d6762f8be..ee1f009740a9b 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -270,6 +270,22 @@ func (b *PlanBuilder) buildAggregation(ctx context.Context, p LogicalPlan, aggFu schema4Agg.Append(newCol) names = append(names, p.OutputNames()[i]) } + if join, isJoin := p.(*LogicalJoin); isJoin && join.redundantSchema != nil { + for i, col := range join.redundantSchema.Columns { + if p.Schema().Contains(col) { + continue + } + newFunc, err := aggregation.NewAggFuncDesc(b.ctx, ast.AggFuncFirstRow, []expression.Expression{col}, false) + if err != nil { + return nil, nil, err + } + plan4Agg.AggFuncs = append(plan4Agg.AggFuncs, newFunc) + newCol, _ := col.Clone().(*expression.Column) + newCol.RetType = newFunc.RetTp + schema4Agg.Append(newCol) + names = append(names, join.redundantNames[i]) + } + } hasGroupBy := len(gbyItems) > 0 for i, aggFunc := range plan4Agg.AggFuncs { err := aggFunc.UpdateNotNullFlag4RetType(hasGroupBy, allAggsFirstRow) From e172656e3704d29afac143d0de292ec9d8d4e9be Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E8=99=8E?= Date: Wed, 23 Dec 2020 11:54:17 +0800 Subject: [PATCH 0543/1021] expression: fix comparing json with string (#21903) --- executor/executor_test.go | 25 +++++++++++++++++++++++++ expression/builtin_other.go | 3 +++ 2 files changed, 28 insertions(+) diff --git a/executor/executor_test.go b/executor/executor_test.go index 610e374e22569..e2da65a81ce3e 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -7228,6 +7228,31 @@ func (s *testSuite) Test12178(c *C) { tk.MustQuery("select * from ta").Check(testkit.Rows("1234567890123456789012345678901234567890123456789012345.00")) } +func (s *testSuite) Test11883(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t1") + tk.MustExec("create table t1 (f1 json)") + tk.MustExec("insert into t1(f1) values ('\"asd\"'),('\"asdf\"'),('\"asasas\"')") + tk.MustQuery("select f1 from t1 where json_extract(f1,\"$\") in (\"asd\",\"asasas\",\"asdf\")").Check(testkit.Rows("\"asd\"", "\"asdf\"", "\"asasas\"")) + tk.MustQuery("select f1 from t1 where json_extract(f1, '$') = 'asd'").Check(testkit.Rows("\"asd\"")) + // MySQL produces empty row for the following SQL, I doubt it should be MySQL's bug. + tk.MustQuery("select f1 from t1 where case json_extract(f1,\"$\") when \"asd\" then 1 else 0 end").Check(testkit.Rows("\"asd\"")) + tk.MustExec("delete from t1") + tk.MustExec("insert into t1 values ('{\"a\": 1}')") + // the first value in the tuple should be interpreted as string instead of JSON, so no row will be returned + tk.MustQuery("select f1 from t1 where f1 in ('{\"a\": 1}', 'asdf', 'asdf')").Check(testkit.Rows()) + // and if we explicitly cast it into a JSON value, the check will pass + tk.MustQuery("select f1 from t1 where f1 in (cast('{\"a\": 1}' as JSON), 'asdf', 'asdf')").Check(testkit.Rows("{\"a\": 1}")) + tk.MustQuery("select json_extract('\"asd\"', '$') = 'asd'").Check(testkit.Rows("1")) + tk.MustQuery("select json_extract('\"asd\"', '$') <=> 'asd'").Check(testkit.Rows("1")) + tk.MustQuery("select json_extract('\"asd\"', '$') <> 'asd'").Check(testkit.Rows("0")) + tk.MustQuery("select json_extract('{\"f\": 1.0}', '$.f') = 1.0").Check(testkit.Rows("1")) + tk.MustQuery("select json_extract('{\"f\": 1.0}', '$.f') = '1.0'").Check(testkit.Rows("0")) + tk.MustQuery("select json_extract('{\"n\": 1}', '$') = '{\"n\": 1}'").Check(testkit.Rows("0")) + tk.MustQuery("select json_extract('{\"n\": 1}', '$') <> '{\"n\": 1}'").Check(testkit.Rows("1")) +} + func (s *testSuite) Test15492(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/expression/builtin_other.go b/expression/builtin_other.go index f8c7e139ec499..9f4573d715d5b 100644 --- a/expression/builtin_other.go +++ b/expression/builtin_other.go @@ -93,6 +93,9 @@ func (c *inFunctionClass) getFunction(ctx sessionctx.Context, args []Expression) if err != nil { return nil, err } + for i := 1; i < len(args); i++ { + DisableParseJSONFlag4Expr(args[i]) + } bf.tp.Flen = 1 switch args[0].GetType().EvalType() { case types.ETInt: From 0370fbf6a3890fc658c1cccc42b28f33c2656872 Mon Sep 17 00:00:00 2001 From: Zhi Qi <30543181+LittleFall@users.noreply.github.com> Date: Wed, 23 Dec 2020 12:59:48 +0800 Subject: [PATCH 0544/1021] types: Regard `TypeNewDecimal` as not a `hasVariantFieldLength` type. (#21849) --- executor/seqtest/prepared_test.go | 32 +++++++++++++++++++++++++------ types/field_type.go | 2 +- 2 files changed, 27 insertions(+), 7 deletions(-) diff --git a/executor/seqtest/prepared_test.go b/executor/seqtest/prepared_test.go index 7cdeed02a9afe..ea076bde98397 100644 --- a/executor/seqtest/prepared_test.go +++ b/executor/seqtest/prepared_test.go @@ -716,19 +716,39 @@ func (s *seqTestSuite) TestPreparedIssue8644(c *C) { c.Assert(err, IsNil) tk.MustExec("use test") + tk.MustExec("drop table if exists t") tk.MustExec("create table t(data mediumblob)") - - tk.MustExec(`prepare stmt1 from 'insert t (data) values (?)'`) - + tk.MustExec(`prepare stmt from 'insert t (data) values (?)'`) tk.MustExec(`set @a = 'a'`) - tk.MustExec(`execute stmt1 using @a;`) - + tk.MustExec(`execute stmt using @a;`) tk.MustExec(`set @b = 'aaaaaaaaaaaaaaaaaa'`) - tk.MustExec(`execute stmt1 using @b;`) + tk.MustExec(`execute stmt using @b;`) r := tk.MustQuery(`select * from t`) r.Check(testkit.Rows("a", "aaaaaaaaaaaaaaaaaa")) + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(data decimal)") + tk.MustExec(`prepare stmt from 'insert t (data) values (?)'`) + tk.MustExec(`set @a = '1'`) + tk.MustExec(`execute stmt using @a;`) + tk.MustExec(`set @b = '11111.11111'`) // '.11111' will be truncated. + tk.MustExec(`execute stmt using @b;`) + + r = tk.MustQuery(`select * from t`) + r.Check(testkit.Rows("1", "11111")) + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(data decimal(10,3));") + tk.MustExec("prepare stmt from 'insert t (data) values (?)';") + tk.MustExec("set @a = 1.1;") + tk.MustExec("execute stmt using @a;") + tk.MustExec("set @b = 11.11;") + tk.MustExec("execute stmt using @b;") + + r = tk.MustQuery(`select * from t`) + r.Check(testkit.Rows("1.100", "11.110")) } } diff --git a/types/field_type.go b/types/field_type.go index e36b8e7166316..476b99be546a8 100644 --- a/types/field_type.go +++ b/types/field_type.go @@ -189,7 +189,7 @@ func DefaultParamTypeForValue(value interface{}, tp *FieldType) { func hasVariantFieldLength(tp *FieldType) bool { switch tp.Tp { case mysql.TypeLonglong, mysql.TypeVarString, mysql.TypeDouble, mysql.TypeBlob, - mysql.TypeBit, mysql.TypeDuration, mysql.TypeNewDecimal, mysql.TypeEnum, mysql.TypeSet: + mysql.TypeBit, mysql.TypeDuration, mysql.TypeEnum, mysql.TypeSet: return true } return false From 9ef7246d29d103bbf5e4af12d5d3e06cbce533f6 Mon Sep 17 00:00:00 2001 From: Song Gao Date: Wed, 23 Dec 2020 15:34:30 +0800 Subject: [PATCH 0545/1021] executor: fix data race in extractTxnScope (#21929) --- distsql/request_builder.go | 7 +------ executor/adapter.go | 2 +- executor/builder.go | 13 ------------- executor/distsql.go | 11 ----------- executor/index_merge_reader.go | 5 ----- executor/table_reader.go | 5 ----- planner/core/cbo_test.go | 2 +- session/session.go | 6 ++++-- session/session_test.go | 6 +++--- sessionctx/variable/session.go | 2 ++ 10 files changed, 12 insertions(+), 47 deletions(-) diff --git a/distsql/request_builder.go b/distsql/request_builder.go index bc3dc2386a420..b7df616cb592c 100644 --- a/distsql/request_builder.go +++ b/distsql/request_builder.go @@ -233,12 +233,7 @@ func (builder *RequestBuilder) SetFromSessionVars(sv *variable.SessionVars) *Req } else { builder.Request.SchemaVar = sv.TxnCtx.SchemaVersion } - return builder -} - -// SetTxnScope sets "TxnScope" flag for "kv.Request". -func (builder *RequestBuilder) SetTxnScope(scope string) *RequestBuilder { - builder.txnScope = scope + builder.txnScope = sv.TxnCtx.TxnScope return builder } diff --git a/executor/adapter.go b/executor/adapter.go index 4e1a817fc0112..0a7c6952c792c 100644 --- a/executor/adapter.go +++ b/executor/adapter.go @@ -607,7 +607,7 @@ func UpdateForUpdateTS(seCtx sessionctx.Context, newForUpdateTS uint64) error { if newForUpdateTS == 0 { // Because the ForUpdateTS is used for the snapshot for reading data in DML. // We can avoid allocating a global TSO here to speed it up by using the local TSO. - version, err := seCtx.GetStore().CurrentVersion(txn.GetUnionStore().GetOption(kv.TxnScope).(string)) + version, err := seCtx.GetStore().CurrentVersion(seCtx.GetSessionVars().TxnCtx.TxnScope) if err != nil { return err } diff --git a/executor/builder.go b/executor/builder.go index 1b497af57a429..ff9d593645cc3 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -42,7 +42,6 @@ import ( "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/statistics" - "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/table/tables" "github.com/pingcap/tidb/types" @@ -3352,10 +3351,6 @@ func (builder *dataReaderBuilder) buildTableReaderBase(ctx context.Context, e *T if err != nil { return nil, err } - txn, err := e.ctx.Txn(false) - if err != nil { - return nil, err - } kvReq, err := reqBuilderWithRange. SetDAGRequest(e.dagPB). SetStartTS(startTS). @@ -3363,7 +3358,6 @@ func (builder *dataReaderBuilder) buildTableReaderBase(ctx context.Context, e *T SetKeepOrder(e.keepOrder). SetStreaming(e.streaming). SetFromSessionVars(e.ctx.GetSessionVars()). - SetTxnScope(extractTxnScope(txn)). SetFromInfoSchema(infoschema.GetInfoSchema(e.ctx)). Build() if err != nil { @@ -3969,10 +3963,3 @@ func (b *executorBuilder) buildTableSample(v *plannercore.PhysicalTableSample) * } return e } - -func extractTxnScope(txn kv.Transaction) string { - if txn == nil || txn.GetUnionStore() == nil { - return oracle.GlobalTxnScope - } - return txn.GetUnionStore().GetOption(kv.TxnScope).(string) -} diff --git a/executor/distsql.go b/executor/distsql.go index 9e29b0ede67f4..1f6fe6a581fe3 100644 --- a/executor/distsql.go +++ b/executor/distsql.go @@ -325,10 +325,6 @@ func (e *IndexReaderExecutor) open(ctx context.Context, kvRanges []kv.KeyRange) e.memTracker = memory.NewTracker(e.id, -1) e.memTracker.AttachTo(e.ctx.GetSessionVars().StmtCtx.MemTracker) - txn, err := e.ctx.Txn(false) - if err != nil { - return err - } var builder distsql.RequestBuilder kvReq, err := builder.SetKeyRanges(kvRanges). SetDAGRequest(e.dagPB). @@ -338,8 +334,6 @@ func (e *IndexReaderExecutor) open(ctx context.Context, kvRanges []kv.KeyRange) SetStreaming(e.streaming). SetFromSessionVars(e.ctx.GetSessionVars()). SetMemTracker(e.memTracker). - // FIXME: add unit test to cover this case - SetTxnScope(extractTxnScope(txn)). SetFromInfoSchema(infoschema.GetInfoSchema(e.ctx)). Build() if err != nil { @@ -520,10 +514,6 @@ func (e *IndexLookUpExecutor) startIndexWorker(ctx context.Context, kvRanges []k } tracker := memory.NewTracker(memory.LabelForIndexWorker, -1) tracker.AttachTo(e.memTracker) - txn, err := e.ctx.Txn(false) - if err != nil { - return err - } var builder distsql.RequestBuilder kvReq, err := builder.SetKeyRanges(kvRanges). SetDAGRequest(e.dagPB). @@ -533,7 +523,6 @@ func (e *IndexLookUpExecutor) startIndexWorker(ctx context.Context, kvRanges []k SetStreaming(e.indexStreaming). SetFromSessionVars(e.ctx.GetSessionVars()). SetMemTracker(tracker). - SetTxnScope(extractTxnScope(txn)). SetFromInfoSchema(infoschema.GetInfoSchema(e.ctx)). Build() if err != nil { diff --git a/executor/index_merge_reader.go b/executor/index_merge_reader.go index c34ce8d009846..53035511df0c9 100644 --- a/executor/index_merge_reader.go +++ b/executor/index_merge_reader.go @@ -198,10 +198,6 @@ func (e *IndexMergeReaderExecutor) startPartialIndexWorker(ctx context.Context, collExec := true e.dagPBs[workID].CollectExecutionSummaries = &collExec } - txn, err := e.ctx.Txn(false) - if err != nil { - return err - } var builder distsql.RequestBuilder kvReq, err := builder.SetKeyRanges(keyRange). SetDAGRequest(e.dagPBs[workID]). @@ -211,7 +207,6 @@ func (e *IndexMergeReaderExecutor) startPartialIndexWorker(ctx context.Context, SetStreaming(e.partialStreamings[workID]). SetFromSessionVars(e.ctx.GetSessionVars()). SetMemTracker(e.memTracker). - SetTxnScope(extractTxnScope(txn)). SetFromInfoSchema(infoschema.GetInfoSchema(e.ctx)). Build() if err != nil { diff --git a/executor/table_reader.go b/executor/table_reader.go index 6f0c0848b5ef4..d6e4147363580 100644 --- a/executor/table_reader.go +++ b/executor/table_reader.go @@ -223,10 +223,6 @@ func (e *TableReaderExecutor) buildResp(ctx context.Context, ranges []*ranger.Ra } else { reqBuilder = builder.SetHandleRanges(e.ctx.GetSessionVars().StmtCtx, getPhysicalTableID(e.table), e.table.Meta() != nil && e.table.Meta().IsCommonHandle, ranges, e.feedback) } - txn, err := e.ctx.Txn(false) - if err != nil { - return nil, err - } kvReq, err := reqBuilder. SetDAGRequest(e.dagPB). SetStartTS(e.startTS). @@ -237,7 +233,6 @@ func (e *TableReaderExecutor) buildResp(ctx context.Context, ranges []*ranger.Ra SetMemTracker(e.memTracker). SetStoreType(e.storeType). SetAllowBatchCop(e.batchCop). - SetTxnScope(extractTxnScope(txn)). SetFromInfoSchema(infoschema.GetInfoSchema(e.ctx)). Build() if err != nil { diff --git a/planner/core/cbo_test.go b/planner/core/cbo_test.go index fc60c85817d40..7c3b428763d32 100644 --- a/planner/core/cbo_test.go +++ b/planner/core/cbo_test.go @@ -772,7 +772,7 @@ func (s *testAnalyzeSuite) TestIssue9805(c *C) { ) `) // Test when both tables are empty, EXPLAIN ANALYZE for IndexLookUp would not panic. - tk.MustExec("explain analyze select /*+ TIDB_INLJ(t2) */ t1.id, t2.a from t1 join t2 on t1.a = t2.d where t1.b = 't2' and t1.d = 4") + tk.MustQuery("explain analyze select /*+ TIDB_INLJ(t2) */ t1.id, t2.a from t1 join t2 on t1.a = t2.d where t1.b = 't2' and t1.d = 4") } func (s *testAnalyzeSuite) TestLimitCrossEstimation(c *C) { diff --git a/session/session.go b/session/session.go index 88a625775a6ab..ea676a65eb37f 100644 --- a/session/session.go +++ b/session/session.go @@ -1623,7 +1623,7 @@ func (s *session) isTxnRetryable() bool { func (s *session) NewTxn(ctx context.Context) error { if s.txn.Valid() { txnID := s.txn.StartTS() - txnScope := s.txn.GetUnionStore().GetOption(kv.TxnScope).(string) + txnScope := s.GetSessionVars().TxnCtx.TxnScope err := s.CommitTxn(ctx) if err != nil { return err @@ -1651,6 +1651,7 @@ func (s *session) NewTxn(ctx context.Context) error { CreateTime: time.Now(), StartTS: txn.StartTS(), ShardStep: int(s.sessionVars.ShardAllocateStep), + TxnScope: s.sessionVars.CheckAndGetTxnScope(), } return nil } @@ -2380,6 +2381,7 @@ func (s *session) PrepareTxnCtx(ctx context.Context) { SchemaVersion: is.SchemaMetaVersion(), CreateTime: time.Now(), ShardStep: int(s.sessionVars.ShardAllocateStep), + TxnScope: s.GetSessionVars().CheckAndGetTxnScope(), } if !s.sessionVars.IsAutocommit() || s.sessionVars.RetryInfo.Retrying { if s.sessionVars.TxnMode == ast.Pessimistic { @@ -2519,7 +2521,7 @@ func (s *session) recordOnTransactionExecution(err error, counter int, duration func (s *session) checkPlacementPolicyBeforeCommit() error { var err error // Get the txnScope of the transaction we're going to commit. - txnScope := s.txn.GetUnionStore().GetOption(kv.TxnScope) + txnScope := s.GetSessionVars().TxnCtx.TxnScope if txnScope == "" { txnScope = oracle.GlobalTxnScope } diff --git a/session/session_test.go b/session/session_test.go index 11a8393274dae..bc278cf315076 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -3321,7 +3321,7 @@ PARTITION BY RANGE (c) ( tk.MustExec("begin") txn, err := tk.Se.Txn(true) c.Assert(err, IsNil) - c.Assert(txn.GetUnionStore().GetOption(kv.TxnScope), Equals, oracle.GlobalTxnScope) + c.Assert(tk.Se.GetSessionVars().TxnCtx.TxnScope, Equals, oracle.GlobalTxnScope) c.Assert(txn.Valid(), IsTrue) tk.MustExec("insert into t1 (c) values (1)") // in dc-1 with global scope result = tk.MustQuery("select * from t1") @@ -3345,7 +3345,7 @@ PARTITION BY RANGE (c) ( tk.MustExec("begin") txn, err = tk.Se.Txn(true) c.Assert(err, IsNil) - c.Assert(txn.GetUnionStore().GetOption(kv.TxnScope), Equals, "dc-1") + c.Assert(tk.Se.GetSessionVars().TxnCtx.TxnScope, Equals, "dc-1") c.Assert(txn.Valid(), IsTrue) tk.MustExec("insert into t1 (c) values (1)") // in dc-1 with dc-1 scope result = tk.MustQuery("select * from t1 where c < 100") @@ -3363,7 +3363,7 @@ PARTITION BY RANGE (c) ( tk.MustExec("begin") txn, err = tk.Se.Txn(true) c.Assert(err, IsNil) - c.Assert(txn.GetUnionStore().GetOption(kv.TxnScope), Equals, "dc-1") + c.Assert(tk.Se.GetSessionVars().TxnCtx.TxnScope, Equals, "dc-1") c.Assert(txn.Valid(), IsTrue) tk.MustExec("insert into t1 (c) values (101)") // in dc-2 with dc-1 scope c.Assert(txn.Valid(), IsTrue) diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 9388a8c29de9b..6dd4c2e1c3622 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -165,6 +165,8 @@ type TransactionContext struct { Isolation string LockExpire uint32 ForUpdate uint32 + // TxnScope indicates the value of txn_scope + TxnScope string // TableDeltaMap lock to prevent potential data race tdmLock sync.Mutex From 5f3bb760d4d4333c71a07efd8f942c4196a2e107 Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Wed, 23 Dec 2020 15:49:29 +0800 Subject: [PATCH 0546/1021] planner: add plancodec id for all type TableScan/IndexScan. (#21935) --- infoschema/tables_test.go | 33 +-- planner/core/explain.go | 31 ++- .../testdata/plan_normalized_suite_out.json | 196 +++++++++--------- util/plancodec/id.go | 35 ++++ util/plancodec/id_test.go | 7 + 5 files changed, 178 insertions(+), 124 deletions(-) diff --git a/infoschema/tables_test.go b/infoschema/tables_test.go index 899f51d638fcc..b492e4324b013 100644 --- a/infoschema/tables_test.go +++ b/infoschema/tables_test.go @@ -1010,10 +1010,10 @@ func (s *testTableSuite) TestStmtSummaryTable(c *C) { max_prewrite_regions, avg_affected_rows, query_sample_text, plan from information_schema.statements_summary where digest_text like 'select * from t%'`, - ).Check(testkit.Rows("Select test test.t t:k 1 2 0 0 0 0 0 0 0 0 0 select * from t where a=2 \tid \ttask \testRows\toperator info\n" + - "\tIndexLookUp_10\troot \t100 \t\n" + - "\t├─IndexScan_8 \tcop[tikv]\t100 \ttable:t, index:k(a), range:[2,2], keep order:false, stats:pseudo\n" + - "\t└─TableScan_9 \tcop[tikv]\t100 \ttable:t, keep order:false, stats:pseudo")) + ).Check(testkit.Rows("Select test test.t t:k 1 2 0 0 0 0 0 0 0 0 0 select * from t where a=2 \tid \ttask \testRows\toperator info\n" + + "\tIndexLookUp_10 \troot \t100 \t\n" + + "\t├─IndexRangeScan_8\tcop[tikv]\t100 \ttable:t, index:k(a), range:[2,2], keep order:false, stats:pseudo\n" + + "\t└─TableRowIDScan_9\tcop[tikv]\t100 \ttable:t, keep order:false, stats:pseudo")) // select ... order by tk.MustQuery(`select stmt_type, schema_name, table_names, index_names, exec_count, sum_cop_task_num, avg_total_keys, @@ -1031,10 +1031,11 @@ func (s *testTableSuite) TestStmtSummaryTable(c *C) { max_prewrite_regions, avg_affected_rows, query_sample_text, plan from information_schema.statements_summary where digest_text like 'select * from t%'`, - ).Check(testkit.Rows("Select test test.t t:k 2 4 0 0 0 0 0 0 0 0 0 select * from t where a=2 \tid \ttask \testRows\toperator info\n" + - "\tIndexLookUp_10\troot \t100 \t\n" + - "\t├─IndexScan_8 \tcop[tikv]\t100 \ttable:t, index:k(a), range:[2,2], keep order:false, stats:pseudo\n" + - "\t└─TableScan_9 \tcop[tikv]\t100 \ttable:t, keep order:false, stats:pseudo")) + ).Check(testkit.Rows( + "Select test test.t t:k 2 4 0 0 0 0 0 0 0 0 0 select * from t where a=2 \tid \ttask \testRows\toperator info\n" + + "\tIndexLookUp_10 \troot \t100 \t\n" + + "\t├─IndexRangeScan_8\tcop[tikv]\t100 \ttable:t, index:k(a), range:[2,2], keep order:false, stats:pseudo\n" + + "\t└─TableRowIDScan_9\tcop[tikv]\t100 \ttable:t, keep order:false, stats:pseudo")) // Disable it again. tk.MustExec("set global tidb_enable_stmt_summary = false") @@ -1081,10 +1082,10 @@ func (s *testTableSuite) TestStmtSummaryTable(c *C) { max_prewrite_regions, avg_affected_rows, query_sample_text, plan from information_schema.statements_summary where digest_text like 'select * from t%'`, - ).Check(testkit.Rows("Select test test.t t:k 1 2 0 0 0 0 0 0 0 0 0 select * from t where a=2 \tid \ttask \testRows\toperator info\n" + - "\tIndexLookUp_10\troot \t1000 \t\n" + - "\t├─IndexScan_8 \tcop[tikv]\t1000 \ttable:t, index:k(a), range:[2,2], keep order:false, stats:pseudo\n" + - "\t└─TableScan_9 \tcop[tikv]\t1000 \ttable:t, keep order:false, stats:pseudo")) + ).Check(testkit.Rows("Select test test.t t:k 1 2 0 0 0 0 0 0 0 0 0 select * from t where a=2 \tid \ttask \testRows\toperator info\n" + + "\tIndexLookUp_10 \troot \t1000 \t\n" + + "\t├─IndexRangeScan_8\tcop[tikv]\t1000 \ttable:t, index:k(a), range:[2,2], keep order:false, stats:pseudo\n" + + "\t└─TableRowIDScan_9\tcop[tikv]\t1000 \ttable:t, keep order:false, stats:pseudo")) // Disable it in global scope. tk.MustExec("set global tidb_enable_stmt_summary = false") @@ -1100,10 +1101,10 @@ func (s *testTableSuite) TestStmtSummaryTable(c *C) { max_prewrite_regions, avg_affected_rows, query_sample_text, plan from information_schema.statements_summary where digest_text like 'select * from t%'`, - ).Check(testkit.Rows("Select test test.t t:k 2 4 0 0 0 0 0 0 0 0 0 select * from t where a=2 \tid \ttask \testRows\toperator info\n" + - "\tIndexLookUp_10\troot \t1000 \t\n" + - "\t├─IndexScan_8 \tcop[tikv]\t1000 \ttable:t, index:k(a), range:[2,2], keep order:false, stats:pseudo\n" + - "\t└─TableScan_9 \tcop[tikv]\t1000 \ttable:t, keep order:false, stats:pseudo")) + ).Check(testkit.Rows("Select test test.t t:k 2 4 0 0 0 0 0 0 0 0 0 select * from t where a=2 \tid \ttask \testRows\toperator info\n" + + "\tIndexLookUp_10 \troot \t1000 \t\n" + + "\t├─IndexRangeScan_8\tcop[tikv]\t1000 \ttable:t, index:k(a), range:[2,2], keep order:false, stats:pseudo\n" + + "\t└─TableRowIDScan_9\tcop[tikv]\t1000 \ttable:t, keep order:false, stats:pseudo")) // Unset session variable. tk.MustExec("set session tidb_enable_stmt_summary = ''") diff --git a/planner/core/explain.go b/planner/core/explain.go index 0940e6b4281ea..f487200d73672 100644 --- a/planner/core/explain.go +++ b/planner/core/explain.go @@ -30,6 +30,7 @@ import ( "github.com/pingcap/tidb/statistics" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/types" + "github.com/pingcap/tidb/util/plancodec" "github.com/pingcap/tidb/util/stringutil" ) @@ -57,13 +58,18 @@ func (p *PhysicalLock) ExplainInfo() string { // ExplainID overrides the ExplainID in order to match different range. func (p *PhysicalIndexScan) ExplainID() fmt.Stringer { return stringutil.MemoizeStr(func() string { - if p.isFullScan() { - return "IndexFullScan_" + strconv.Itoa(p.id) - } - return "IndexRangeScan_" + strconv.Itoa(p.id) + return p.TP() + "_" + strconv.Itoa(p.id) }) } +// TP overrides the TP in order to match different range. +func (p *PhysicalIndexScan) TP() string { + if p.isFullScan() { + return plancodec.TypeIndexFullScan + } + return plancodec.TypeIndexRangeScan +} + // ExplainInfo implements Plan interface. func (p *PhysicalIndexScan) ExplainInfo() string { return p.AccessObject(false) + ", " + p.OperatorInfo(false) @@ -165,15 +171,20 @@ func (p *PhysicalIndexScan) isFullScan() bool { // ExplainID overrides the ExplainID in order to match different range. func (p *PhysicalTableScan) ExplainID() fmt.Stringer { return stringutil.MemoizeStr(func() string { - if p.isChildOfIndexLookUp { - return "TableRowIDScan_" + strconv.Itoa(p.id) - } else if p.isFullScan() { - return "TableFullScan_" + strconv.Itoa(p.id) - } - return "TableRangeScan_" + strconv.Itoa(p.id) + return p.TP() + "_" + strconv.Itoa(p.id) }) } +// TP overrides the TP in order to match different range. +func (p *PhysicalTableScan) TP() string { + if p.isChildOfIndexLookUp { + return plancodec.TypeTableRowIDScan + } else if p.isFullScan() { + return plancodec.TypeTableFullScan + } + return plancodec.TypeTableRangeScan +} + // ExplainInfo implements Plan interface. func (p *PhysicalTableScan) ExplainInfo() string { return p.AccessObject(false) + ", " + p.OperatorInfo(false) diff --git a/planner/core/testdata/plan_normalized_suite_out.json b/planner/core/testdata/plan_normalized_suite_out.json index ef5c3e50f0a4d..9c7c085610dd9 100644 --- a/planner/core/testdata/plan_normalized_suite_out.json +++ b/planner/core/testdata/plan_normalized_suite_out.json @@ -5,22 +5,22 @@ { "SQL": "select * from t1;", "Plan": [ - " TableReader root ", - " └─TableScan cop table:t1, range:[?,?], keep order:false" + " TableReader root ", + " └─TableFullScan cop table:t1, range:[?,?], keep order:false" ] }, { "SQL": "select * from t1 where a<1;", "Plan": [ - " TableReader root ", - " └─TableScan cop table:t1, range:[?,?], keep order:false" + " TableReader root ", + " └─TableRangeScan cop table:t1, range:[?,?], keep order:false" ] }, { "SQL": "select * from t1 where a>1", "Plan": [ - " TableReader root ", - " └─TableScan cop table:t1, range:[?,?], keep order:false" + " TableReader root ", + " └─TableRangeScan cop table:t1, range:[?,?], keep order:false" ] }, { @@ -38,97 +38,97 @@ { "SQL": "select * from t1 where b=1", "Plan": [ - " IndexLookUp root ", - " ├─IndexScan cop table:t1, index:b(b), range:[?,?], keep order:false", - " └─TableScan cop table:t1, keep order:false" + " IndexLookUp root ", + " ├─IndexRangeScan cop table:t1, index:b(b), range:[?,?], keep order:false", + " └─TableRowIDScan cop table:t1, keep order:false" ] }, { "SQL": "select a+1,b+2 from t1 use index(b) where b=3", "Plan": [ - " Projection root plus(test.t1.a, ?), plus(test.t1.b, ?)", - " └─IndexReader root index:IndexRangeScan_5", - " └─IndexScan cop table:t1, index:b(b), range:[?,?], keep order:false" + " Projection root plus(test.t1.a, ?), plus(test.t1.b, ?)", + " └─IndexReader root index:IndexRangeScan_5", + " └─IndexRangeScan cop table:t1, index:b(b), range:[?,?], keep order:false" ] }, { "SQL": "select * from t1 where t1.b > 1 and t1.a in (select sum(t2.b) from t2 where t2.a=t1.a and t2.b is not null)", "Plan": [ - " Projection root test.t1.a, test.t1.b, test.t1.c", - " └─Apply root semi join, equal:eq(?, ?)", - " ├─Projection root cast(test.t1.a), test.t1.a, test.t1.b, test.t1.c", - " │ └─TableReader root ", - " │ └─Selection cop gt(test.t1.b, ?)", - " │ └─TableScan cop table:t1, range:[?,?], keep order:false", - " └─StreamAgg root funcs:sum(?)->?", - " └─TableReader root ", - " └─StreamAgg cop funcs:sum(test.t2.b)->?", - " └─Selection cop not(isnull(test.t2.b))", - " └─TableScan cop table:t2, range: decided by eq(test.t2.a, test.t1.a), keep order:false" + " Projection root test.t1.a, test.t1.b, test.t1.c", + " └─Apply root semi join, equal:eq(?, ?)", + " ├─Projection root cast(test.t1.a), test.t1.a, test.t1.b, test.t1.c", + " │ └─TableReader root ", + " │ └─Selection cop gt(test.t1.b, ?)", + " │ └─TableFullScan cop table:t1, range:[?,?], keep order:false", + " └─StreamAgg root funcs:sum(?)->?", + " └─TableReader root ", + " └─StreamAgg cop funcs:sum(test.t2.b)->?", + " └─Selection cop not(isnull(test.t2.b))", + " └─TableRangeScan cop table:t2, range: decided by eq(test.t2.a, test.t1.a), keep order:false" ] }, { "SQL": "SELECT * from t1 where a!=1 order by c limit 1", "Plan": [ - " TopN root test.t1.c", - " └─TableReader root ", - " └─TopN cop test.t1.c", - " └─TableScan cop table:t1, range:[?,?], keep order:false" + " TopN root test.t1.c", + " └─TableReader root ", + " └─TopN cop test.t1.c", + " └─TableRangeScan cop table:t1, range:[?,?], keep order:false" ] }, { "SQL": "SELECT /*+ TIDB_SMJ(t1, t2) */ * from t1, t2 where t1.a = t2.a and t1.c>1;", "Plan": [ - " MergeJoin root inner join, left key:test.t1.a, right key:test.t2.a", - " ├─TableReader root ", - " │ └─Selection cop gt(test.t1.c, ?)", - " │ └─TableScan cop table:t1, range:[?,?], keep order:true", - " └─TableReader root ", - " └─TableScan cop table:t2, range:[?,?], keep order:true" + " MergeJoin root inner join, left key:test.t1.a, right key:test.t2.a", + " ├─TableReader root ", + " │ └─Selection cop gt(test.t1.c, ?)", + " │ └─TableFullScan cop table:t1, range:[?,?], keep order:true", + " └─TableReader root ", + " └─TableFullScan cop table:t2, range:[?,?], keep order:true" ] }, { "SQL": "SELECT /*+ TIDB_INLJ(t1, t2) */ * from t1, t2 where t1.a = t2.a and t1.c>1;", "Plan": [ - " IndexJoin root inner join, inner:TableReader, outer key:test.t1.a, inner key:test.t2.a, equal cond:eq(test.t1.a, test.t2.a)", - " ├─TableReader root ", - " │ └─Selection cop gt(test.t1.c, ?)", - " │ └─TableScan cop table:t1, range:[?,?], keep order:false", - " └─TableReader root ", - " └─TableScan cop table:t2, range: decided by [test.t1.a], keep order:false" + " IndexJoin root inner join, inner:TableReader, outer key:test.t1.a, inner key:test.t2.a, equal cond:eq(test.t1.a, test.t2.a)", + " ├─TableReader root ", + " │ └─Selection cop gt(test.t1.c, ?)", + " │ └─TableFullScan cop table:t1, range:[?,?], keep order:false", + " └─TableReader root ", + " └─TableRangeScan cop table:t2, range: decided by [test.t1.a], keep order:false" ] }, { "SQL": "SELECT /*+ TIDB_HJ(t1, t2) */ * from t1, t2 where t1.a = t2.a and t1.c>1;", "Plan": [ - " HashJoin root inner join, equal:eq(test.t1.a, test.t2.a)", - " ├─TableReader root ", - " │ └─Selection cop gt(test.t1.c, ?)", - " │ └─TableScan cop table:t1, range:[?,?], keep order:false", - " └─TableReader root ", - " └─TableScan cop table:t2, range:[?,?], keep order:false" + " HashJoin root inner join, equal:eq(test.t1.a, test.t2.a)", + " ├─TableReader root ", + " │ └─Selection cop gt(test.t1.c, ?)", + " │ └─TableFullScan cop table:t1, range:[?,?], keep order:false", + " └─TableReader root ", + " └─TableFullScan cop table:t2, range:[?,?], keep order:false" ] }, { "SQL": "SELECT /*+ TIDB_HJ(t1, t2) */ * from t1, t2 where t1.a = t2.a and t1.c>1;", "Plan": [ - " HashJoin root inner join, equal:eq(test.t1.a, test.t2.a)", - " ├─TableReader root ", - " │ └─Selection cop gt(test.t1.c, ?)", - " │ └─TableScan cop table:t1, range:[?,?], keep order:false", - " └─TableReader root ", - " └─TableScan cop table:t2, range:[?,?], keep order:false" + " HashJoin root inner join, equal:eq(test.t1.a, test.t2.a)", + " ├─TableReader root ", + " │ └─Selection cop gt(test.t1.c, ?)", + " │ └─TableFullScan cop table:t1, range:[?,?], keep order:false", + " └─TableReader root ", + " └─TableFullScan cop table:t2, range:[?,?], keep order:false" ] }, { "SQL": "SELECT /*+ TIDB_INLJ(t1, t2) */ * from t1, t2 where t1.a = t2.a and t1.c>1;", "Plan": [ - " IndexJoin root inner join, inner:TableReader, outer key:test.t1.a, inner key:test.t2.a, equal cond:eq(test.t1.a, test.t2.a)", - " ├─TableReader root ", - " │ └─Selection cop gt(test.t1.c, ?)", - " │ └─TableScan cop table:t1, range:[?,?], keep order:false", - " └─TableReader root ", - " └─TableScan cop table:t2, range: decided by [test.t1.a], keep order:false" + " IndexJoin root inner join, inner:TableReader, outer key:test.t1.a, inner key:test.t2.a, equal cond:eq(test.t1.a, test.t2.a)", + " ├─TableReader root ", + " │ └─Selection cop gt(test.t1.c, ?)", + " │ └─TableFullScan cop table:t1, range:[?,?], keep order:false", + " └─TableReader root ", + " └─TableRangeScan cop table:t2, range: decided by [test.t1.a], keep order:false" ] }, { @@ -151,39 +151,39 @@ { "SQL": "insert into t1 select * from t2 where t2.a>0 and t2.b!=0", "Plan": [ - " TableReader root ", - " └─Selection cop ne(test.t2.b, ?)", - " └─TableScan cop table:t2, range:[?,?], keep order:false" + " TableReader root ", + " └─Selection cop ne(test.t2.b, ?)", + " └─TableRangeScan cop table:t2, range:[?,?], keep order:false" ] }, { "SQL": "update t1 set a=a+1", "Plan": [ - " TableReader root ", - " └─TableScan cop table:t1, range:[?,?], keep order:false" + " TableReader root ", + " └─TableFullScan cop table:t1, range:[?,?], keep order:false" ] }, { "SQL": "update t1 set a=a+1 where a>0", "Plan": [ - " TableReader root ", - " └─TableScan cop table:t1, range:[?,?], keep order:false" + " TableReader root ", + " └─TableRangeScan cop table:t1, range:[?,?], keep order:false" ] }, { "SQL": "delete from t1", "Plan": [ - " TableReader root ", - " └─TableScan cop table:t1, range:[?,?], keep order:false" + " TableReader root ", + " └─TableFullScan cop table:t1, range:[?,?], keep order:false" ] }, { "SQL": "delete from t1 where a>0 and b=1 and c!=2", "Plan": [ - " IndexLookUp root ", - " ├─IndexScan cop table:t1, index:b(b), range:[?,?], keep order:false", - " └─Selection cop ne(test.t1.c, ?)", - " └─TableScan cop table:t1, keep order:false" + " IndexLookUp root ", + " ├─IndexRangeScan cop table:t1, index:b(b), range:[?,?], keep order:false", + " └─Selection cop ne(test.t1.c, ?)", + " └─TableRowIDScan cop table:t1, keep order:false" ] }, { @@ -219,17 +219,17 @@ { "SQL": "select * from t4 where a=10", "Plan": [ - " IndexLookUp root ", - " ├─IndexScan cop table:t4, partition:?, index:a(a), range:[?,?], keep order:false", - " └─TableScan cop table:t4, partition:?, keep order:false" + " IndexLookUp root ", + " ├─IndexRangeScan cop table:t4, partition:?, index:a(a), range:[?,?], keep order:false", + " └─TableRowIDScan cop table:t4, partition:?, keep order:false" ] }, { "SQL": "select * from t4 where a=20", "Plan": [ - " IndexLookUp root ", - " ├─IndexScan cop table:t4, partition:?, index:a(a), range:[?,?], keep order:false", - " └─TableScan cop table:t4, partition:?, keep order:false" + " IndexLookUp root ", + " ├─IndexRangeScan cop table:t4, partition:?, index:a(a), range:[?,?], keep order:false", + " └─TableRowIDScan cop table:t4, partition:?, keep order:false" ] } ] @@ -240,17 +240,17 @@ { "SQL": "select * from test where age=5;", "Plan": [ - " TableReader root ", - " └─Selection cop eq(test.test.age, ?)", - " └─TableScan cop table:test, range:[?,?], keep order:false" + " TableReader root ", + " └─Selection cop eq(test.test.age, ?)", + " └─TableFullScan cop table:test, range:[?,?], keep order:false" ] }, { "SQL": "select * from test where age=5;", "Plan": [ - " IndexLookUp root ", - " ├─IndexScan cop table:test, index:idx_age(age), range:[?,?], keep order:false", - " └─TableScan cop table:test, keep order:false" + " IndexLookUp root ", + " ├─IndexRangeScan cop table:test, index:idx_age(age), range:[?,?], keep order:false", + " └─TableRowIDScan cop table:test, keep order:false" ] } ] @@ -259,35 +259,35 @@ "Name": "TestNormalizedPlanForDiffStore", "Cases": [ { - "Digest": "63eab1c93f586cf9fbe71cbfa4ad212aadb019e3e477f2f6257d00d35e045980", + "Digest": "f970a867275a8e8878e3b0a7960a3d15e7fecda7cf31957ba2624b0afd91ddee", "Plan": [ - " TableReader root ", - " └─TableScan cop[tiflash] table:t1, range:[?,?], keep order:false" + " TableReader root ", + " └─TableFullScan cop[tiflash] table:t1, range:[?,?], keep order:false" ] }, { - "Digest": "6dc9f1500bbea92b2446d58c1510bca2e78f0e9a6c721c76495b0cf6bfc95faa", + "Digest": "70e316e5e20fbf2e292b74bfffe36219c403212e6ccd33f9c9c578f415e06743", "Plan": [ - " TableReader root ", - " └─TableScan cop table:t1, range:[?,?], keep order:false" + " TableReader root ", + " └─TableFullScan cop table:t1, range:[?,?], keep order:false" ] }, { - "Digest": "03f12d0f634596922b6ba2edab8d6565a36bc2264cea9613adeb506e32d6b901", + "Digest": "35da54afee3417b46607d9d836b9e3aea3a450537980d65abedda63498298784", "Plan": [ - " Projection root plus(test.t1.a, test.t1.b)", - " └─TableReader root ", - " └─Selection cop[tiflash] lt(plus(test.t1.a, test.t1.b), ?)", - " └─TableScan cop[tiflash] table:t1, range:[?,?], keep order:false" + " Projection root plus(test.t1.a, test.t1.b)", + " └─TableReader root ", + " └─Selection cop[tiflash] lt(plus(test.t1.a, test.t1.b), ?)", + " └─TableFullScan cop[tiflash] table:t1, range:[?,?], keep order:false" ] }, { - "Digest": "5f2f4343d1cf9bbd0893f78c01657307fdebadacbd0b9e60e4b5cca27656b739", + "Digest": "1065484bc4851767a2f412aa2133603defd7569bd09d83b70627c62cfb7dd0fa", "Plan": [ - " Projection root plus(test.t1.a, test.t1.b)", - " └─TableReader root ", - " └─Selection cop lt(plus(test.t1.a, test.t1.b), ?)", - " └─TableScan cop table:t1, range:[?,?], keep order:false" + " Projection root plus(test.t1.a, test.t1.b)", + " └─TableReader root ", + " └─Selection cop lt(plus(test.t1.a, test.t1.b), ?)", + " └─TableFullScan cop table:t1, range:[?,?], keep order:false" ] } ] diff --git a/util/plancodec/id.go b/util/plancodec/id.go index 5d59787e6a4f6..68dea6681cb36 100644 --- a/util/plancodec/id.go +++ b/util/plancodec/id.go @@ -112,6 +112,16 @@ const ( TypeLoadData = "LoadData" // TypeTableSample is the type of TableSample. TypeTableSample = "TableSample" + // TypeTableFullScan is the type of TableFullScan. + TypeTableFullScan = "TableFullScan" + // TypeTableRangeScan is the type of TableRangeScan. + TypeTableRangeScan = "TableRangeScan" + // TypeTableRowIDScan is the type of TableRowIDScan. + TypeTableRowIDScan = "TableRowIDScan" + // TypeIndexFullScan is the type of IndexFullScan. + TypeIndexFullScan = "IndexFullScan" + // TypeIndexRangeScan is the type of IndexRangeScan. + TypeIndexRangeScan = "IndexRangeScan" ) // plan id. @@ -159,6 +169,11 @@ const ( typeDataSourceID int = 40 typeLoadDataID int = 41 typeTableSampleID int = 42 + typeTableFullScan int = 43 + typeTableRangeScan int = 44 + typeTableRowIDScan int = 45 + typeIndexFullScan int = 46 + typeIndexRangeScan int = 47 ) // TypeStringToPhysicalID converts the plan type string to plan id. @@ -248,6 +263,16 @@ func TypeStringToPhysicalID(tp string) int { return typeLoadDataID case TypeTableSample: return typeTableSampleID + case TypeTableFullScan: + return typeTableFullScan + case TypeTableRangeScan: + return typeTableRangeScan + case TypeTableRowIDScan: + return typeTableRowIDScan + case TypeIndexFullScan: + return typeIndexFullScan + case TypeIndexRangeScan: + return typeIndexRangeScan } // Should never reach here. return 0 @@ -336,6 +361,16 @@ func PhysicalIDToTypeString(id int) string { return TypeClusterMemTableReader case typeLoadDataID: return TypeLoadData + case typeTableFullScan: + return TypeTableFullScan + case typeTableRangeScan: + return TypeTableRangeScan + case typeTableRowIDScan: + return TypeTableRowIDScan + case typeIndexFullScan: + return TypeIndexFullScan + case typeIndexRangeScan: + return TypeIndexRangeScan } // Should never reach here. diff --git a/util/plancodec/id_test.go b/util/plancodec/id_test.go index 3c008eb609659..feed5f1f0685a 100644 --- a/util/plancodec/id_test.go +++ b/util/plancodec/id_test.go @@ -70,4 +70,11 @@ func (s *testPlanIDSuite) TestPlanIDChanged(c *C) { c.Assert(typeBatchPointGet, Equals, 38) c.Assert(typeClusterMemTableReader, Equals, 39) c.Assert(typeDataSourceID, Equals, 40) + c.Assert(typeLoadDataID, Equals, 41) + c.Assert(typeTableSampleID, Equals, 42) + c.Assert(typeTableFullScan, Equals, 43) + c.Assert(typeTableRangeScan, Equals, 44) + c.Assert(typeTableRowIDScan, Equals, 45) + c.Assert(typeIndexFullScan, Equals, 46) + c.Assert(typeIndexRangeScan, Equals, 47) } From 4ec9b9c128a8561fe8287790305f9e84d679b030 Mon Sep 17 00:00:00 2001 From: gauss1314 Date: Wed, 23 Dec 2020 16:04:29 +0800 Subject: [PATCH 0547/1021] expression: fix functions format_bytes and format_nano_time incorrectly use varbinary (#15416) --- expression/builtin_info.go | 4 ++-- expression/integration_test.go | 6 ++++++ 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/expression/builtin_info.go b/expression/builtin_info.go index 5a431af3033de..e4edd56f95f6e 100644 --- a/expression/builtin_info.go +++ b/expression/builtin_info.go @@ -989,7 +989,7 @@ func (c *formatBytesFunctionClass) getFunction(ctx sessionctx.Context, args []Ex if err != nil { return nil, err } - bf.tp.Flag |= mysql.UnsignedFlag + bf.tp.Charset, bf.tp.Collate = ctx.GetSessionVars().GetCharsetInfo() sig := &builtinFormatBytesSig{bf} return sig, nil } @@ -1026,7 +1026,7 @@ func (c *formatNanoTimeFunctionClass) getFunction(ctx sessionctx.Context, args [ if err != nil { return nil, err } - bf.tp.Flag |= mysql.UnsignedFlag + bf.tp.Charset, bf.tp.Collate = ctx.GetSessionVars().GetCharsetInfo() sig := &builtinFormatNanoTimeSig{bf} return sig, nil } diff --git a/expression/integration_test.go b/expression/integration_test.go index f8cdf73721f7b..f9af68fe5cf24 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -5918,6 +5918,12 @@ func (s *testIntegrationSuite) TestIssue14146(c *C) { tk.MustQuery("select * from tt").Check(testkit.Rows("")) } +func (s *testIntegrationSuite) TestIssue15346(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustQuery("select collation(format_bytes(1024)) != 'binary';").Check(testkit.Rows("1")) + tk.MustQuery("select collation(format_nano_time(234)) != 'binary';").Check(testkit.Rows("1")) +} + func (s *testIntegrationSerialSuite) TestCacheRegexpr(c *C) { tk := testkit.NewTestKit(c, s.store) orgEnable := plannercore.PreparedPlanCacheEnabled() From 3e5c56eccf8d2544e1f002764379411ea356b293 Mon Sep 17 00:00:00 2001 From: luxinle Date: Wed, 23 Dec 2020 16:18:29 +0800 Subject: [PATCH 0548/1021] range: fix overflow value access index (#21805) --- util/ranger/points.go | 49 +++++++++++++++++++++++++++++++++ util/ranger/ranger_test.go | 55 +++++++++++++++++++++++++++++++++++--- 2 files changed, 101 insertions(+), 3 deletions(-) diff --git a/util/ranger/points.go b/util/ranger/points.go index bfd1587d3973b..3e20e3f96fc7b 100644 --- a/util/ranger/points.go +++ b/util/ranger/points.go @@ -270,6 +270,11 @@ func (r *builder) buildFormBinOp(expr *expression.ScalarFunction) []point { return nil } + value, op, isValidRange = handleBoundCol(ft, value, op) + if !isValidRange { + return nil + } + switch op { case ast.NullEQ: if value.IsNull() { @@ -340,6 +345,50 @@ func handleUnsignedCol(ft *types.FieldType, val types.Datum, op string) (types.D return val, op, false } +// handleBoundCol handles the case when column meets overflow value. +// The three returned values are: fixed constant value, fixed operator, and a boolean +// which indicates whether the range is valid or not. +func handleBoundCol(ft *types.FieldType, val types.Datum, op string) (types.Datum, string, bool) { + isUnsigned := mysql.HasUnsignedFlag(ft.Flag) + isNegative := val.Kind() == types.KindInt64 && val.GetInt64() < 0 + if isUnsigned { + return val, op, true + } + + switch ft.Tp { + case mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24, mysql.TypeLong, mysql.TypeLonglong: + if !isNegative && val.GetUint64() > math.MaxInt64 { + switch op { + case ast.GT, ast.GE: + return val, op, false + case ast.NE, ast.LE, ast.LT: + op = ast.LE + val = types.NewIntDatum(math.MaxInt64) + } + } + case mysql.TypeFloat: + if val.GetFloat64() > math.MaxFloat32 { + switch op { + case ast.GT, ast.GE: + return val, op, false + case ast.NE, ast.LE, ast.LT: + op = ast.LE + val = types.NewFloat32Datum(math.MaxFloat32) + } + } else if val.GetFloat64() < -math.MaxFloat32 { + switch op { + case ast.LE, ast.LT: + return val, op, false + case ast.GT, ast.GE, ast.NE: + op = ast.GE + val = types.NewFloat32Datum(-math.MaxFloat32) + } + } + } + + return val, op, true +} + func (r *builder) buildFromIsTrue(expr *expression.ScalarFunction, isNot int, keepNull bool) []point { if isNot == 1 { if keepNull { diff --git a/util/ranger/ranger_test.go b/util/ranger/ranger_test.go index 9cf7754161a9a..e66a28f5982bf 100644 --- a/util/ranger/ranger_test.go +++ b/util/ranger/ranger_test.go @@ -654,7 +654,7 @@ create table t( } // for issue #6661 -func (s *testRangerSuite) TestIndexRangeForUnsigned(c *C) { +func (s *testRangerSuite) TestIndexRangeForUnsignedAndOverflow(c *C) { defer testleak.AfterTest(c)() dom, store, err := newDomainStoreWithBootstrap(c) defer func() { @@ -665,8 +665,21 @@ func (s *testRangerSuite) TestIndexRangeForUnsigned(c *C) { testKit := testkit.NewTestKit(c, store) testKit.MustExec("use test") testKit.MustExec("drop table if exists t") - testKit.MustExec("create table t (a smallint(5) unsigned,key (a) ,decimal_unsigned decimal unsigned,key (decimal_unsigned), float_unsigned float unsigned,key(float_unsigned), double_unsigned double unsigned,key(double_unsigned))") - + testKit.MustExec(` +create table t( + a smallint(5) unsigned, + decimal_unsigned decimal unsigned, + float_unsigned float unsigned, + double_unsigned double unsigned, + col_int bigint, + col_float float, + index idx_a(a), + index idx_decimal_unsigned(decimal_unsigned), + index idx_float_unsigned(float_unsigned), + index idx_double_unsigned(double_unsigned), + index idx_int(col_int), + index idx_float(col_float) +)`) tests := []struct { indexPos int exprStr string @@ -763,6 +776,42 @@ func (s *testRangerSuite) TestIndexRangeForUnsigned(c *C) { filterConds: "[]", resultStr: "[[0,+inf]]", }, + // test for overflow value access index + { + indexPos: 4, + exprStr: "col_int != 9223372036854775808", + accessConds: "[ne(test.t.col_int, 9223372036854775808)]", + filterConds: "[]", + resultStr: "[[-inf,+inf]]", + }, + { + indexPos: 4, + exprStr: "col_int > 9223372036854775808", + accessConds: "[gt(test.t.col_int, 9223372036854775808)]", + filterConds: "[]", + resultStr: "[]", + }, + { + indexPos: 4, + exprStr: "col_int < 9223372036854775808", + accessConds: "[lt(test.t.col_int, 9223372036854775808)]", + filterConds: "[]", + resultStr: "[[-inf,+inf]]", + }, + { + indexPos: 5, + exprStr: "col_float > 1000000000000000000000000000000000000000", + accessConds: "[gt(test.t.col_float, 1e+39)]", + filterConds: "[]", + resultStr: "[]", + }, + { + indexPos: 5, + exprStr: "col_float < -1000000000000000000000000000000000000000", + accessConds: "[lt(test.t.col_float, -1e+39)]", + filterConds: "[]", + resultStr: "[]", + }, } ctx := context.Background() From 4f44c0db21eb4e3530bf90cb46f416f82a631ab6 Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Wed, 23 Dec 2020 16:32:59 +0800 Subject: [PATCH 0549/1021] tidb-server: throw error when starting with multi advertise address (#21603) --- tidb-server/main.go | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/tidb-server/main.go b/tidb-server/main.go index 7b273fd8abbc9..7144701f6491d 100644 --- a/tidb-server/main.go +++ b/tidb-server/main.go @@ -417,6 +417,11 @@ func overrideConfig(cfg *config.Config) { cfg.Host = *host } if actualFlags[nmAdvertiseAddress] { + var err error + if len(strings.Split(*advertiseAddress, " ")) > 1 { + err = errors.Errorf("Only support one advertise-address") + } + terror.MustNil(err) cfg.AdvertiseAddress = *advertiseAddress } if len(cfg.AdvertiseAddress) == 0 && cfg.Host == "0.0.0.0" { From b112c3c9a39463ef72cd274040398f1615e4d626 Mon Sep 17 00:00:00 2001 From: erwadba Date: Wed, 23 Dec 2020 16:47:59 +0800 Subject: [PATCH 0550/1021] types: Add a limitation about float data type (#20929) --- executor/insert_test.go | 7 ++++++- types/datum.go | 8 +++++++- 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/executor/insert_test.go b/executor/insert_test.go index 4616c08ba03ea..64900d507286e 100644 --- a/executor/insert_test.go +++ b/executor/insert_test.go @@ -1032,12 +1032,17 @@ func (s *testSuite3) TestDMLCast(c *C) { func (s *testSuite3) TestInsertFloatOverflow(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") - tk.MustExec(`drop table if exists t;`) + tk.MustExec(`drop table if exists t,t1;`) tk.MustExec("create table t(col1 FLOAT, col2 FLOAT(10,2), col3 DOUBLE, col4 DOUBLE(10,2), col5 DECIMAL, col6 DECIMAL(10,2));") _, err := tk.Exec("insert into t values (-3.402823466E+68, -34028234.6611, -1.7976931348623157E+308, -17976921.34, -9999999999, -99999999.99);") c.Assert(err.Error(), Equals, "[types:1264]Out of range value for column 'col1' at row 1") _, err = tk.Exec("insert into t values (-34028234.6611, -3.402823466E+68, -1.7976931348623157E+308, -17976921.34, -9999999999, -99999999.99);") c.Assert(err.Error(), Equals, "[types:1264]Out of range value for column 'col2' at row 1") + tk.Exec("create table t1(id1 float,id2 float)") + tk.Exec("insert ignore into t1 values(999999999999999999999999999999999999999,-999999999999999999999999999999999999999)") + tk.MustQuery("select @@warning_count").Check(testutil.RowsWithSep("|", "2")) + tk.MustQuery("select convert(id1,decimal(65)),convert(id2,decimal(65)) from t1").Check(testkit.Rows("340282346638528860000000000000000000000 -340282346638528860000000000000000000000")) + tk.MustExec("drop table if exists t,t1") } // There is a potential issue in MySQL: when the value of auto_increment_offset is greater diff --git a/types/datum.go b/types/datum.go index b20f2d2cfa468..e02648240eb44 100644 --- a/types/datum.go +++ b/types/datum.go @@ -902,9 +902,15 @@ func ProduceFloatWithSpecifiedTp(f float64, target *FieldType, sc *stmtctx.State return f, errors.Trace(err) } } - if (mysql.HasUnsignedFlag(target.Flag) && f < 0) || (target.Tp == mysql.TypeFloat && (f > math.MaxFloat32 || f < -math.MaxFloat32)) { + if mysql.HasUnsignedFlag(target.Flag) && f < 0 { return 0, overflow(f, target.Tp) } + if target.Tp == mysql.TypeFloat && (f > math.MaxFloat32 || f < -math.MaxFloat32) { + if f > 0 { + return math.MaxFloat32, overflow(f, target.Tp) + } + return -math.MaxFloat32, overflow(f, target.Tp) + } return f, nil } From 4135fa313f635dfb6c33df4c6922c96f0b7e2ad9 Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Wed, 23 Dec 2020 17:03:59 +0800 Subject: [PATCH 0551/1021] planner: generate correct query block name and offset for update / delete (#21823) --- bindinfo/bind_test.go | 20 ++++++++++ planner/core/hints.go | 26 ++++++++----- planner/core/logical_plan_builder.go | 29 +++++++------- planner/core/planbuilder.go | 4 +- util/hint/hint_processor.go | 56 ++++++++++++++++------------ 5 files changed, 85 insertions(+), 50 deletions(-) diff --git a/bindinfo/bind_test.go b/bindinfo/bind_test.go index 6326bc2b85b54..e37ac4c111edc 100644 --- a/bindinfo/bind_test.go +++ b/bindinfo/bind_test.go @@ -1891,3 +1891,23 @@ func (s *testSuite) TestCapturedBindingCharset(c *C) { c.Assert(rows[0][6], Equals, "") c.Assert(rows[0][7], Equals, "") } + +func (s *testSuite) TestUpdateSubqueryCapture(c *C) { + tk := testkit.NewTestKit(c, s.store) + s.cleanBindingEnv(tk) + tk.MustExec("use test") + tk.MustExec("drop table if exists t1, t2") + tk.MustExec("create table t1(a int, b int, c int, key idx_b(b))") + tk.MustExec("create table t2(a int, b int)") + stmtsummary.StmtSummaryByDigestMap.Clear() + c.Assert(tk.Se.Auth(&auth.UserIdentity{Username: "root", Hostname: "%"}, nil, nil), IsTrue) + tk.MustExec("update t1 set b = 1 where b = 2 and (a in (select a from t2 where b = 1) or c in (select a from t2 where b = 1))") + tk.MustExec("update t1 set b = 1 where b = 2 and (a in (select a from t2 where b = 1) or c in (select a from t2 where b = 1))") + tk.MustExec("admin capture bindings") + rows := tk.MustQuery("show global bindings").Rows() + c.Assert(len(rows), Equals, 1) + bindSQL := "UPDATE /*+ use_index(@`upd_1` `test`.`t1` `idx_b`), use_index(@`sel_1` `test`.`t2` ), hash_join(@`upd_1` `test`.`t1`), use_index(@`sel_2` `test`.`t2` )*/ `t1` SET `b`=1 WHERE `b`=2 AND (`a` IN (SELECT `a` FROM `t2` WHERE `b`=1) OR `c` IN (SELECT `a` FROM `t2` WHERE `b`=1))" + c.Assert(rows[0][1], Equals, bindSQL) + tk.MustExec(bindSQL) + c.Assert(tk.Se.GetSessionVars().StmtCtx.GetWarnings(), HasLen, 0) +} diff --git a/planner/core/hints.go b/planner/core/hints.go index 898b7d44ddb2b..2707609b0bde7 100644 --- a/planner/core/hints.go +++ b/planner/core/hints.go @@ -96,11 +96,15 @@ func getJoinHints(sctx sessionctx.Context, joinType string, parentOffset int, no } else { dbName, tableName = extractTableAsName(child) } - if tableName == nil { + if tableName == nil || tableName.L == "" { + continue + } + qbName, err := utilhint.GenerateQBName(nodeType, blockOffset) + if err != nil { continue } res = append(res, &ast.TableOptimizerHint{ - QBName: utilhint.GenerateQBName(nodeType, blockOffset), + QBName: qbName, HintName: model.NewCIStr(joinType), Tables: []ast.HintTable{{DBName: *dbName, TableName: *tableName}}, }) @@ -116,17 +120,21 @@ func genHintsFromPhysicalPlan(p PhysicalPlan, nodeType utilhint.NodeType) (res [ for _, child := range p.Children() { res = append(res, genHintsFromPhysicalPlan(child, nodeType)...) } + qbName, err := utilhint.GenerateQBName(nodeType, p.SelectBlockOffset()) + if err != nil { + return res + } switch pp := p.(type) { case *PhysicalTableReader: tbl := pp.TablePlans[0].(*PhysicalTableScan) res = append(res, &ast.TableOptimizerHint{ - QBName: utilhint.GenerateQBName(nodeType, pp.blockOffset), + QBName: qbName, HintName: model.NewCIStr(HintUseIndex), Tables: []ast.HintTable{{DBName: tbl.DBName, TableName: getTableName(tbl.Table.Name, tbl.TableAsName)}}, }) if tbl.StoreType == kv.TiFlash { res = append(res, &ast.TableOptimizerHint{ - QBName: utilhint.GenerateQBName(nodeType, pp.blockOffset), + QBName: qbName, HintName: model.NewCIStr(HintReadFromStorage), HintData: model.NewCIStr(kv.TiFlash.Name()), Tables: []ast.HintTable{{DBName: tbl.DBName, TableName: getTableName(tbl.Table.Name, tbl.TableAsName)}}, @@ -135,7 +143,7 @@ func genHintsFromPhysicalPlan(p PhysicalPlan, nodeType utilhint.NodeType) (res [ case *PhysicalIndexLookUpReader: index := pp.IndexPlans[0].(*PhysicalIndexScan) res = append(res, &ast.TableOptimizerHint{ - QBName: utilhint.GenerateQBName(nodeType, pp.blockOffset), + QBName: qbName, HintName: model.NewCIStr(HintUseIndex), Tables: []ast.HintTable{{DBName: index.DBName, TableName: getTableName(index.Table.Name, index.TableAsName)}}, Indexes: []model.CIStr{index.Index.Name}, @@ -143,7 +151,7 @@ func genHintsFromPhysicalPlan(p PhysicalPlan, nodeType utilhint.NodeType) (res [ case *PhysicalIndexReader: index := pp.IndexPlans[0].(*PhysicalIndexScan) res = append(res, &ast.TableOptimizerHint{ - QBName: utilhint.GenerateQBName(nodeType, pp.blockOffset), + QBName: qbName, HintName: model.NewCIStr(HintUseIndex), Tables: []ast.HintTable{{DBName: index.DBName, TableName: getTableName(index.Table.Name, index.TableAsName)}}, Indexes: []model.CIStr{index.Index.Name}, @@ -163,19 +171,19 @@ func genHintsFromPhysicalPlan(p PhysicalPlan, nodeType utilhint.NodeType) (res [ } } res = append(res, &ast.TableOptimizerHint{ - QBName: utilhint.GenerateQBName(nodeType, pp.blockOffset), + QBName: qbName, HintName: model.NewCIStr(HintIndexMerge), Tables: []ast.HintTable{{TableName: getTableName(tableName, tableAsName)}}, Indexes: Indexs, }) case *PhysicalHashAgg: res = append(res, &ast.TableOptimizerHint{ - QBName: utilhint.GenerateQBName(nodeType, pp.blockOffset), + QBName: qbName, HintName: model.NewCIStr(HintHashAgg), }) case *PhysicalStreamAgg: res = append(res, &ast.TableOptimizerHint{ - QBName: utilhint.GenerateQBName(nodeType, pp.blockOffset), + QBName: qbName, HintName: model.NewCIStr(HintStreamAgg), }) case *PhysicalMergeJoin: diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index ee1f009740a9b..33531ac24f144 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -50,7 +50,6 @@ import ( driver "github.com/pingcap/tidb/types/parser_driver" util2 "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/chunk" - utilhint "github.com/pingcap/tidb/util/hint" "github.com/pingcap/tidb/util/plancodec" "github.com/pingcap/tidb/util/set" ) @@ -3052,8 +3051,8 @@ func (b *PlanBuilder) pushHintWithoutTableWarning(hint *ast.TableOptimizerHint) b.ctx.GetSessionVars().StmtCtx.AppendWarning(ErrInternal.GenWithStack(errMsg)) } -func (b *PlanBuilder) pushTableHints(hints []*ast.TableOptimizerHint, nodeType utilhint.NodeType, currentLevel int) { - hints = b.hintProcessor.GetCurrentStmtHints(hints, nodeType, currentLevel) +func (b *PlanBuilder) pushTableHints(hints []*ast.TableOptimizerHint, currentLevel int) { + hints = b.hintProcessor.GetCurrentStmtHints(hints, currentLevel) var ( sortMergeTables, INLJTables, INLHJTables, INLMJTables, hashJoinTables, BCTables, BCJPreferLocalTables []hintTableInfo indexHintList, indexMergeHintList []indexHintInfo @@ -3075,19 +3074,19 @@ func (b *PlanBuilder) pushTableHints(hints []*ast.TableOptimizerHint, nodeType u switch hint.HintName.L { case TiDBMergeJoin, HintSMJ: - sortMergeTables = append(sortMergeTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, nodeType, currentLevel)...) + sortMergeTables = append(sortMergeTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, currentLevel)...) case TiDBBroadCastJoin, HintBCJ: - BCTables = append(BCTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, nodeType, currentLevel)...) + BCTables = append(BCTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, currentLevel)...) case HintBCJPreferLocal: - BCJPreferLocalTables = append(BCJPreferLocalTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, nodeType, currentLevel)...) + BCJPreferLocalTables = append(BCJPreferLocalTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, currentLevel)...) case TiDBIndexNestedLoopJoin, HintINLJ: - INLJTables = append(INLJTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, nodeType, currentLevel)...) + INLJTables = append(INLJTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, currentLevel)...) case HintINLHJ: - INLHJTables = append(INLHJTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, nodeType, currentLevel)...) + INLHJTables = append(INLHJTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, currentLevel)...) case HintINLMJ: - INLMJTables = append(INLMJTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, nodeType, currentLevel)...) + INLMJTables = append(INLMJTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, currentLevel)...) case TiDBHashJoin, HintHJ: - hashJoinTables = append(hashJoinTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, nodeType, currentLevel)...) + hashJoinTables = append(hashJoinTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, currentLevel)...) case HintHashAgg: aggHints.preferAggType |= preferHashAgg case HintStreamAgg: @@ -3127,9 +3126,9 @@ func (b *PlanBuilder) pushTableHints(hints []*ast.TableOptimizerHint, nodeType u case HintReadFromStorage: switch hint.HintData.(model.CIStr).L { case HintTiFlash: - tiflashTables = append(tiflashTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, nodeType, currentLevel)...) + tiflashTables = append(tiflashTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, currentLevel)...) case HintTiKV: - tikvTables = append(tikvTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, nodeType, currentLevel)...) + tikvTables = append(tikvTables, tableNames2HintTableInfo(b.ctx, hint.HintName.L, hint.Tables, b.hintProcessor, currentLevel)...) } case HintIndexMerge: dbName := hint.Tables[0].DBName @@ -3241,7 +3240,7 @@ func (b *PlanBuilder) TableHints() *tableHintInfo { func (b *PlanBuilder) buildSelect(ctx context.Context, sel *ast.SelectStmt) (p LogicalPlan, err error) { b.pushSelectOffset(sel.QueryBlockOffset) - b.pushTableHints(sel.TableHints, utilhint.TypeSelect, sel.QueryBlockOffset) + b.pushTableHints(sel.TableHints, sel.QueryBlockOffset) defer func() { b.popSelectOffset() // table hints are only visible in the current SELECT statement. @@ -4169,7 +4168,7 @@ func buildColumns2Handle( func (b *PlanBuilder) buildUpdate(ctx context.Context, update *ast.UpdateStmt) (Plan, error) { b.pushSelectOffset(0) - b.pushTableHints(update.TableHints, utilhint.TypeUpdate, 0) + b.pushTableHints(update.TableHints, 0) defer func() { b.popSelectOffset() // table hints are only visible in the current UPDATE statement. @@ -4520,7 +4519,7 @@ func extractDefaultExpr(node ast.ExprNode) *ast.DefaultExpr { func (b *PlanBuilder) buildDelete(ctx context.Context, delete *ast.DeleteStmt) (Plan, error) { b.pushSelectOffset(0) - b.pushTableHints(delete.TableHints, utilhint.TypeDelete, 0) + b.pushTableHints(delete.TableHints, 0) defer func() { b.popSelectOffset() // table hints are only visible in the current DELETE statement. diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index 90b68ce8f9e73..54ff5e1e2edcf 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -152,7 +152,7 @@ func (tr *QueryTimeRange) Condition() string { return fmt.Sprintf("where time>='%s' and time<='%s'", tr.From.Format(MetricTableTimeFormat), tr.To.Format(MetricTableTimeFormat)) } -func tableNames2HintTableInfo(ctx sessionctx.Context, hintName string, hintTables []ast.HintTable, p *hint.BlockHintProcessor, nodeType hint.NodeType, currentOffset int) []hintTableInfo { +func tableNames2HintTableInfo(ctx sessionctx.Context, hintName string, hintTables []ast.HintTable, p *hint.BlockHintProcessor, currentOffset int) []hintTableInfo { if len(hintTables) == 0 { return nil } @@ -164,7 +164,7 @@ func tableNames2HintTableInfo(ctx sessionctx.Context, hintName string, hintTable dbName: hintTable.DBName, tblName: hintTable.TableName, partitions: hintTable.PartitionList, - selectOffset: p.GetHintOffset(hintTable.QBName, nodeType, currentOffset), + selectOffset: p.GetHintOffset(hintTable.QBName, currentOffset), } if tableInfo.dbName.L == "" { tableInfo.dbName = defaultDBName diff --git a/util/hint/hint_processor.go b/util/hint/hint_processor.go index 079ab079e64ec..0cf43f7d01e33 100644 --- a/util/hint/hint_processor.go +++ b/util/hint/hint_processor.go @@ -262,19 +262,26 @@ func ParseHintsSet(p *parser.Parser, sql, charset, collation, db string) (*Hints hs := CollectHint(stmtNodes[0]) processor := &BlockHintProcessor{} stmtNodes[0].Accept(processor) - hintNodeType := nodeType4Stmt(stmtNodes[0]) + topNodeType := nodeType4Stmt(stmtNodes[0]) for i, tblHints := range hs.tableHints { newHints := make([]*ast.TableOptimizerHint, 0, len(tblHints)) + curOffset := i + 1 + if topNodeType == TypeDelete || topNodeType == TypeUpdate { + curOffset = curOffset - 1 + } for _, tblHint := range tblHints { if tblHint.HintName.L == hintQBName { continue } - offset := processor.GetHintOffset(tblHint.QBName, hintNodeType, i+1) - if offset < 0 || !processor.checkTableQBName(tblHint.Tables, hintNodeType) { + offset := processor.GetHintOffset(tblHint.QBName, curOffset) + if offset < 0 || !processor.checkTableQBName(tblHint.Tables) { hintStr := RestoreTableOptimizerHint(tblHint) return nil, nil, nil, errors.New(fmt.Sprintf("Unknown query block name in hint %s", hintStr)) } - tblHint.QBName = GenerateQBName(hintNodeType, offset) + tblHint.QBName, err = GenerateQBName(topNodeType, offset) + if err != nil { + return nil, nil, nil, err + } for i, tbl := range tblHint.Tables { if tbl.DBName.String() == "" { tblHint.Tables[i].DBName = model.NewCIStr(db) @@ -401,9 +408,9 @@ func nodeType4Stmt(node ast.StmtNode) NodeType { return TypeInvalid } -// getBlockName finds the offset of query block name. It use 0 as offset for top level update or delete, +// getBlockName finds the offset of query block name. It uses 0 as offset for top level update or delete, // -1 for invalid block name. -func (p *BlockHintProcessor) getBlockOffset(blockName model.CIStr, nodeType NodeType) int { +func (p *BlockHintProcessor) getBlockOffset(blockName model.CIStr) int { if p.QbNameMap != nil { level, ok := p.QbNameMap[blockName.L] if ok { @@ -411,13 +418,10 @@ func (p *BlockHintProcessor) getBlockOffset(blockName model.CIStr, nodeType Node } } // Handle the default query block name. - if nodeType == TypeUpdate && blockName.L == defaultUpdateBlockName { + if blockName.L == defaultUpdateBlockName || blockName.L == defaultDeleteBlockName { return 0 } - if nodeType == TypeDelete && blockName.L == defaultDeleteBlockName { - return 0 - } - if nodeType == TypeSelect && strings.HasPrefix(blockName.L, defaultSelectBlockPrefix) { + if strings.HasPrefix(blockName.L, defaultSelectBlockPrefix) { suffix := blockName.L[len(defaultSelectBlockPrefix):] level, err := strconv.ParseInt(suffix, 10, 64) if err != nil || level > int64(p.selectStmtOffset) { @@ -429,16 +433,16 @@ func (p *BlockHintProcessor) getBlockOffset(blockName model.CIStr, nodeType Node } // GetHintOffset gets the offset of stmt that the hints take effects. -func (p *BlockHintProcessor) GetHintOffset(qbName model.CIStr, nodeType NodeType, currentOffset int) int { +func (p *BlockHintProcessor) GetHintOffset(qbName model.CIStr, currentOffset int) int { if qbName.L != "" { - return p.getBlockOffset(qbName, nodeType) + return p.getBlockOffset(qbName) } return currentOffset } -func (p *BlockHintProcessor) checkTableQBName(tables []ast.HintTable, nodeType NodeType) bool { +func (p *BlockHintProcessor) checkTableQBName(tables []ast.HintTable) bool { for _, table := range tables { - if table.QBName.L != "" && p.getBlockOffset(table.QBName, nodeType) < 0 { + if table.QBName.L != "" && p.getBlockOffset(table.QBName) < 0 { return false } } @@ -446,7 +450,7 @@ func (p *BlockHintProcessor) checkTableQBName(tables []ast.HintTable, nodeType N } // GetCurrentStmtHints extracts all hints that take effects at current stmt. -func (p *BlockHintProcessor) GetCurrentStmtHints(hints []*ast.TableOptimizerHint, nodeType NodeType, currentOffset int) []*ast.TableOptimizerHint { +func (p *BlockHintProcessor) GetCurrentStmtHints(hints []*ast.TableOptimizerHint, currentOffset int) []*ast.TableOptimizerHint { if p.QbHints == nil { p.QbHints = make(map[int][]*ast.TableOptimizerHint) } @@ -454,8 +458,8 @@ func (p *BlockHintProcessor) GetCurrentStmtHints(hints []*ast.TableOptimizerHint if hint.HintName.L == hintQBName { continue } - offset := p.GetHintOffset(hint.QBName, nodeType, currentOffset) - if offset < 0 || !p.checkTableQBName(hint.Tables, nodeType) { + offset := p.GetHintOffset(hint.QBName, currentOffset) + if offset < 0 || !p.checkTableQBName(hint.Tables) { hintStr := RestoreTableOptimizerHint(hint) p.Ctx.GetSessionVars().StmtCtx.AppendWarning(errors.New(fmt.Sprintf("Hint %s is ignored due to unknown query block name", hintStr))) continue @@ -466,11 +470,15 @@ func (p *BlockHintProcessor) GetCurrentStmtHints(hints []*ast.TableOptimizerHint } // GenerateQBName builds QBName from offset. -func GenerateQBName(nodeType NodeType, blockOffset int) model.CIStr { - if nodeType == TypeDelete && (blockOffset == 0 || blockOffset == 1) { - return model.NewCIStr(defaultDeleteBlockName) - } else if nodeType == TypeUpdate && (blockOffset == 0 || blockOffset == 1) { - return model.NewCIStr(defaultUpdateBlockName) +func GenerateQBName(nodeType NodeType, blockOffset int) (model.CIStr, error) { + if blockOffset == 0 { + if nodeType == TypeDelete { + return model.NewCIStr(defaultDeleteBlockName), nil + } + if nodeType == TypeUpdate { + return model.NewCIStr(defaultUpdateBlockName), nil + } + return model.NewCIStr(""), errors.New(fmt.Sprintf("Unexpected NodeType %d when block offset is 0", nodeType)) } - return model.NewCIStr(fmt.Sprintf("%s%d", defaultSelectBlockPrefix, blockOffset)) + return model.NewCIStr(fmt.Sprintf("%s%d", defaultSelectBlockPrefix, blockOffset)), nil } From 0735a0c9242290db631c81e1a43ada8f09c41151 Mon Sep 17 00:00:00 2001 From: lysu Date: Wed, 23 Dec 2020 17:19:29 +0800 Subject: [PATCH 0552/1021] executor: fix `insert ignore` into not exists partition (#21904) Signed-off-by: lysu --- executor/batch_checker.go | 10 +++++++++- executor/executor.go | 1 + executor/insert.go | 6 ++++++ executor/insert_common.go | 3 +++ executor/write_test.go | 4 ++++ sessionctx/stmtctx/stmtctx.go | 1 + 6 files changed, 24 insertions(+), 1 deletion(-) diff --git a/executor/batch_checker.go b/executor/batch_checker.go index aaa28b82e77b3..f5e1ca98fc3d6 100644 --- a/executor/batch_checker.go +++ b/executor/batch_checker.go @@ -19,6 +19,8 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/parser/model" + "github.com/pingcap/parser/terror" + "github.com/pingcap/tidb/errno" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx" @@ -41,7 +43,8 @@ type toBeCheckedRow struct { handleKey *keyValueWithDupInfo uniqueKeys []*keyValueWithDupInfo // t is the table or partition this row belongs to. - t table.Table + t table.Table + ignored bool } // encodeNewRow encodes a new row to value. @@ -101,6 +104,11 @@ func getKeysNeedCheckOneRow(ctx sessionctx.Context, t table.Table, row []types.D if p, ok := t.(table.PartitionedTable); ok { t, err = p.GetPartitionByRow(ctx, row) if err != nil { + if terr, ok := errors.Cause(err).(*terror.Error); ctx.GetSessionVars().StmtCtx.IgnoreNoPartition && ok && terr.Code() == errno.ErrNoPartitionForGivenValue { + ctx.GetSessionVars().StmtCtx.AppendWarning(err) + result = append(result, toBeCheckedRow{ignored: true}) + return result, nil + } return nil, err } } diff --git a/executor/executor.go b/executor/executor.go index e03f6fe7e5697..79ebae9a64f3a 100644 --- a/executor/executor.go +++ b/executor/executor.go @@ -1670,6 +1670,7 @@ func ResetContextOfStmt(ctx sessionctx.Context, s ast.StmtNode) (err error) { // but should not make DupKeyAsWarning or BadNullAsWarning, sc.DupKeyAsWarning = stmt.IgnoreErr sc.BadNullAsWarning = stmt.IgnoreErr + sc.IgnoreNoPartition = stmt.IgnoreErr sc.TruncateAsWarning = !vars.StrictSQLMode || stmt.IgnoreErr sc.DividedByZeroAsWarning = !vars.StrictSQLMode || stmt.IgnoreErr sc.AllowInvalidDate = vars.SQLMode.HasAllowInvalidDatesMode() diff --git a/executor/insert.go b/executor/insert.go index f77e15dfc11ee..ff4d23fa0a628 100644 --- a/executor/insert.go +++ b/executor/insert.go @@ -119,6 +119,9 @@ func prefetchUniqueIndices(ctx context.Context, txn kv.Transaction, rows []toBeC nKeys := 0 for _, r := range rows { + if r.ignored { + continue + } if r.handleKey != nil { nKeys++ } @@ -126,6 +129,9 @@ func prefetchUniqueIndices(ctx context.Context, txn kv.Transaction, rows []toBeC } batchKeys := make([]kv.Key, 0, nKeys) for _, r := range rows { + if r.ignored { + continue + } if r.handleKey != nil { batchKeys = append(batchKeys, r.handleKey.newKey) } diff --git a/executor/insert_common.go b/executor/insert_common.go index 88c31937cf8d3..364c1887746e2 100644 --- a/executor/insert_common.go +++ b/executor/insert_common.go @@ -970,6 +970,9 @@ func (e *InsertValues) batchCheckAndInsert(ctx context.Context, rows [][]types.D // append warnings and get no duplicated error rows for i, r := range toBeCheckedRows { + if r.ignored { + continue + } skip := false if r.handleKey != nil { _, err := txn.Get(ctx, r.handleKey.newKey) diff --git a/executor/write_test.go b/executor/write_test.go index 699e56ac46a58..c0a5a40613b5f 100644 --- a/executor/write_test.go +++ b/executor/write_test.go @@ -574,6 +574,10 @@ commit;` tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1048 Column 'i' cannot be null")) testSQL = `select * from badnull` tk.MustQuery(testSQL).Check(testkit.Rows("0")) + + tk.MustExec("create table tp (id int) partition by range (id) (partition p0 values less than (1), partition p1 values less than(2))") + tk.MustExec("insert ignore into tp values (1), (3)") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1526 Table has no partition for value 3")) } func (s *testSuite8) TestInsertOnDup(c *C) { diff --git a/sessionctx/stmtctx/stmtctx.go b/sessionctx/stmtctx/stmtctx.go index e3ab0e56ac0da..506f8d00fefd8 100644 --- a/sessionctx/stmtctx/stmtctx.go +++ b/sessionctx/stmtctx/stmtctx.go @@ -80,6 +80,7 @@ type StatementContext struct { BatchCheck bool InNullRejectCheck bool AllowInvalidDate bool + IgnoreNoPartition bool // mu struct holds variables that change during execution. mu struct { From 34b4e9a0334bc9de99b8ed2babee516b8bb07178 Mon Sep 17 00:00:00 2001 From: Morgan Tocker Date: Wed, 23 Dec 2020 02:40:37 -0700 Subject: [PATCH 0553/1021] planner, privilege: check for table not exists (#21776) --- planner/core/preprocess.go | 89 +++++++++++++++++++++++-- privilege/privileges/privileges_test.go | 42 ++++++++++++ 2 files changed, 127 insertions(+), 4 deletions(-) diff --git a/planner/core/preprocess.go b/planner/core/preprocess.go index 70e2ba75c5cb3..68e9e28fe3911 100644 --- a/planner/core/preprocess.go +++ b/planner/core/preprocess.go @@ -28,6 +28,7 @@ import ( "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/meta/autoid" + "github.com/pingcap/tidb/privilege" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/types" driver "github.com/pingcap/tidb/types/parser_driver" @@ -109,10 +110,11 @@ const ( // preprocessor is an ast.Visitor that preprocess // ast Nodes parsed from parser. type preprocessor struct { - is infoschema.InfoSchema - ctx sessionctx.Context - err error - flag preprocessorFlag + is infoschema.InfoSchema + ctx sessionctx.Context + err error + flag preprocessorFlag + stmtTp byte // tableAliasInJoin is a stack that keeps the table alias names for joins. // len(tableAliasInJoin) may bigger than 1 because the left/right child of join may be subquery that contains `JOIN` @@ -121,45 +123,66 @@ type preprocessor struct { func (p *preprocessor) Enter(in ast.Node) (out ast.Node, skipChildren bool) { switch node := in.(type) { + case *ast.DeleteStmt: + p.stmtTp = TypeDelete + case *ast.SelectStmt: + p.stmtTp = TypeSelect + case *ast.UpdateStmt: + p.stmtTp = TypeUpdate + case *ast.InsertStmt: + p.stmtTp = TypeInsert case *ast.CreateTableStmt: + p.stmtTp = TypeCreate p.flag |= inCreateOrDropTable p.resolveCreateTableStmt(node) p.checkCreateTableGrammar(node) case *ast.CreateViewStmt: + p.stmtTp = TypeCreate p.flag |= inCreateOrDropTable p.checkCreateViewGrammar(node) p.checkCreateViewWithSelectGrammar(node) case *ast.DropTableStmt: p.flag |= inCreateOrDropTable + p.stmtTp = TypeDrop p.checkDropTableGrammar(node) case *ast.RenameTableStmt: + p.stmtTp = TypeRename p.flag |= inCreateOrDropTable p.checkRenameTableGrammar(node) case *ast.CreateIndexStmt: + p.stmtTp = TypeCreate p.checkCreateIndexGrammar(node) case *ast.AlterTableStmt: + p.stmtTp = TypeAlter p.resolveAlterTableStmt(node) p.checkAlterTableGrammar(node) case *ast.CreateDatabaseStmt: + p.stmtTp = TypeCreate p.checkCreateDatabaseGrammar(node) case *ast.AlterDatabaseStmt: + p.stmtTp = TypeAlter p.checkAlterDatabaseGrammar(node) case *ast.DropDatabaseStmt: + p.stmtTp = TypeDrop p.checkDropDatabaseGrammar(node) case *ast.ShowStmt: + p.stmtTp = TypeShow p.resolveShowStmt(node) case *ast.SetOprSelectList: p.checkSetOprSelectList(node) case *ast.DeleteTableList: + p.stmtTp = TypeDelete return in, true case *ast.Join: p.checkNonUniqTableAlias(node) case *ast.CreateBindingStmt: + p.stmtTp = TypeCreate EraseLastSemicolon(node.OriginNode) EraseLastSemicolon(node.HintedNode) p.checkBindGrammar(node.OriginNode, node.HintedNode) return in, true case *ast.DropBindingStmt: + p.stmtTp = TypeDrop EraseLastSemicolon(node.OriginNode) if node.HintedNode != nil { EraseLastSemicolon(node.HintedNode) @@ -172,13 +195,16 @@ func (p *preprocessor) Enter(in ast.Node) (out ast.Node, skipChildren bool) { // table not exists error. But recover table statement is use to recover the dropped table. So skip children here. return in, true case *ast.RepairTableStmt: + p.stmtTp = TypeRepair // The RepairTable should consist of the logic for creating tables and renaming tables. p.flag |= inRepairTable p.checkRepairTableGrammar(node) case *ast.CreateSequenceStmt: + p.stmtTp = TypeCreate p.flag |= inCreateOrDropTable p.resolveCreateSequenceStmt(node) case *ast.DropSequenceStmt: + p.stmtTp = TypeDrop p.flag |= inCreateOrDropTable p.checkDropSequenceGrammar(node) case *ast.FuncCastExpr: @@ -204,6 +230,7 @@ func (p *preprocessor) Enter(in ast.Node) (out ast.Node, skipChildren bool) { } } case *ast.CreateStatisticsStmt, *ast.DropStatisticsStmt: + p.stmtTp = TypeCreate p.checkStatisticsOpGrammar(in) case *ast.GroupByClause: p.checkGroupBy(node) @@ -234,6 +261,18 @@ const ( TypeUpdate // TypeInsert for InsertStmt. TypeInsert + // TypeDrop for DropStmt + TypeDrop + // TypeCreate for CreateStmt + TypeCreate + // TypeAlter for AlterStmt + TypeAlter + // TypeRename for RenameStmt + TypeRename + // TypeRepair for RepairStmt + TypeRepair + // TypeShow for ShowStmt + TypeShow ) func bindableStmtType(node ast.StmtNode) byte { @@ -1024,6 +1063,32 @@ func (p *preprocessor) checkContainDotColumn(stmt *ast.CreateTableStmt) { } } +func (p *preprocessor) stmtType() string { + + switch p.stmtTp { + case TypeDelete: + return "DELETE" + case TypeUpdate: + return "UPDATE" + case TypeInsert: + return "INSERT" + case TypeDrop: + return "DROP" + case TypeCreate: + return "CREATE" + case TypeAlter: + return "ALTER" + case TypeRename: + return "DROP, ALTER" + case TypeRepair: + return "SELECT, INSERT" + case TypeShow: + return "SHOW" + default: + return "SELECT" // matches Select and uncaught cases. + } +} + func (p *preprocessor) handleTableName(tn *ast.TableName) { if tn.Schema.L == "" { currentDB := p.ctx.GetSessionVars().CurrentDB @@ -1054,6 +1119,22 @@ func (p *preprocessor) handleTableName(tn *ast.TableName) { table, err := p.is.TableByName(tn.Schema, tn.Name) if err != nil { + // We should never leak that the table doesn't exist (i.e. attach ErrTableNotExists) + // unless we know that the user has permissions to it, should it exist. + // By checking here, this makes all SELECT/SHOW/INSERT/UPDATE/DELETE statements safe. + currentUser, activeRoles := p.ctx.GetSessionVars().User, p.ctx.GetSessionVars().ActiveRoles + if pm := privilege.GetPrivilegeManager(p.ctx); pm != nil { + if !pm.RequestVerification(activeRoles, tn.Schema.L, tn.Name.O, "", mysql.AllPrivMask) { + u := currentUser.Username + h := currentUser.Hostname + if currentUser.AuthHostname != "" { + u = currentUser.AuthUsername + h = currentUser.AuthHostname + } + p.err = ErrTableaccessDenied.GenWithStackByArgs(p.stmtType(), u, h, tn.Name.O) + return + } + } p.err = err return } diff --git a/privilege/privileges/privileges_test.go b/privilege/privileges/privileges_test.go index 8845f8a84b11e..96c3eb34053af 100644 --- a/privilege/privileges/privileges_test.go +++ b/privilege/privileges/privileges_test.go @@ -984,6 +984,48 @@ func (s *testPrivilegeSuite) TestAdminCommand(c *C) { c.Assert(err, IsNil) } +func (s *testPrivilegeSuite) TestTableNotExistNoPermissions(c *C) { + se := newSession(c, s.store, s.dbName) + c.Assert(se.Auth(&auth.UserIdentity{Username: "root", Hostname: "localhost"}, nil, nil), IsTrue) + mustExec(c, se, `CREATE USER 'testnotexist'@'localhost';`) + mustExec(c, se, `CREATE DATABASE dbexists`) + mustExec(c, se, `CREATE TABLE dbexists.t1 (a int)`) + + c.Assert(se.Auth(&auth.UserIdentity{Username: "testnotexist", Hostname: "localhost"}, nil, nil), IsTrue) + + tests := []struct { + stmt string + stmtType string + }{ + { + "SELECT * FROM %s.%s", + "SELECT", + }, + { + "SHOW CREATE TABLE %s.%s", + "SHOW", + }, + { + "DELETE FROM %s.%s", + "DELETE", + }, + } + + for _, t := range tests { + + _, err1 := se.Execute(context.Background(), fmt.Sprintf(t.stmt, "dbexists", "t1")) + _, err2 := se.Execute(context.Background(), fmt.Sprintf(t.stmt, "dbnotexists", "t1")) + + // Check the error is the same whether table exists or not. + c.Assert(terror.ErrorEqual(err1, err2), IsTrue) + + // Check it is permission denied, not not found. + c.Assert(err2.Error(), Equals, fmt.Sprintf("[planner:1142]%s command denied to user 'testnotexist'@'localhost' for table 't1'", t.stmtType)) + + } + +} + func (s *testPrivilegeSuite) TestLoadDataPrivilege(c *C) { // Create file. path := "/tmp/load_data_priv.csv" From 61e068a4d6b17f87125162ef2b833c11521af77a Mon Sep 17 00:00:00 2001 From: Yifan Xu <30385241+xuyifangreeneyes@users.noreply.github.com> Date: Wed, 23 Dec 2020 03:55:59 -0600 Subject: [PATCH 0554/1021] executor: throw error when prepared statement is execute, deallocate or prepare (#21962) --- executor/prepared.go | 3 ++- executor/prepared_test.go | 11 +++++++++++ 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/executor/prepared.go b/executor/prepared.go index 76676dc52c0d9..8bc1753c181f9 100644 --- a/executor/prepared.go +++ b/executor/prepared.go @@ -147,7 +147,8 @@ func (e *PrepareExec) Next(ctx context.Context, req *chunk.Chunk) error { return ErrPrepareDDL } - if _, ok := stmt.(*ast.LoadDataStmt); ok { + switch stmt.(type) { + case *ast.LoadDataStmt, *ast.PrepareStmt, *ast.ExecuteStmt, *ast.DeallocateStmt: return ErrUnsupportedPs } diff --git a/executor/prepared_test.go b/executor/prepared_test.go index 1dd5beafde5bf..db9c68072b571 100644 --- a/executor/prepared_test.go +++ b/executor/prepared_test.go @@ -22,6 +22,7 @@ import ( . "github.com/pingcap/check" "github.com/pingcap/parser/auth" "github.com/pingcap/parser/model" + "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/domain" plannercore "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/session" @@ -50,6 +51,16 @@ func (s *testSuite1) TestPreparedDDL(c *C) { tk.MustExec("prepare stmt from 'create table t (id int, KEY id (id))'") } +// TestUnsupportedStmtForPrepare is related to https://github.com/pingcap/tidb/issues/17412 +func (s *testSuite1) TestUnsupportedStmtForPrepare(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec(`prepare stmt0 from "create table t0(a int primary key)"`) + tk.MustGetErrCode(`prepare stmt1 from "execute stmt0"`, mysql.ErrUnsupportedPs) + tk.MustGetErrCode(`prepare stmt2 from "deallocate prepare stmt0"`, mysql.ErrUnsupportedPs) + tk.MustGetErrCode(`prepare stmt4 from "prepare stmt3 from 'create table t1(a int, b int)'"`, mysql.ErrUnsupportedPs) +} + func (s *testSuite1) TestIgnorePlanCache(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") From f2a88ffa4ba34f9c88e90a0b5965fc1a4ec8f3c6 Mon Sep 17 00:00:00 2001 From: dongyan <34701401+dyzsr@users.noreply.github.com> Date: Wed, 23 Dec 2020 18:14:30 +0800 Subject: [PATCH 0555/1021] planner: report error for invalid window specs which are not used (#21083) --- planner/core/integration_test.go | 15 ++++ planner/core/logical_plan_builder.go | 126 +++++++++++++++++++-------- planner/core/planbuilder.go | 4 + 3 files changed, 109 insertions(+), 36 deletions(-) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index b70ebc55b3e88..defbbf0d7e1ba 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -2049,6 +2049,21 @@ func (s *testIntegrationSuite) TestOrderByNotInSelectDistinct(c *C) { tk.MustQuery("select distinct v1 as z from ttest order by v1+z").Check(testkit.Rows("1", "4")) } +func (s *testIntegrationSuite) TestInvalidNamedWindowSpec(c *C) { + // #12356 + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("DROP TABLE IF EXISTS temptest") + tk.MustExec("create table temptest (val int, val1 int)") + tk.MustQuery("SELECT val FROM temptest WINDOW w AS (ORDER BY val RANGE 1 PRECEDING)").Check(testkit.Rows()) + tk.MustGetErrMsg("SELECT val FROM temptest WINDOW w AS (ORDER BY val, val1 RANGE 1 PRECEDING)", + "[planner:3587]Window 'w' with RANGE N PRECEDING/FOLLOWING frame requires exactly one ORDER BY expression, of numeric or temporal type") + tk.MustGetErrMsg("select val1, avg(val1) as a from temptest group by val1 window w as (order by a)", + "[planner:1054]Unknown column 'a' in 'window order by'") + tk.MustGetErrMsg("select val1, avg(val1) as a from temptest group by val1 window w as (partition by a)", + "[planner:1054]Unknown column 'a' in 'window partition by'") +} + func (s *testIntegrationSuite) TestCorrelatedAggregate(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index 33531ac24f144..6fc35a6157e9a 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -1870,6 +1870,17 @@ type havingWindowAndOrderbyExprResolver struct { outerSchemas []*expression.Schema outerNames [][]*types.FieldName curClause clauseCode + prevClause []clauseCode +} + +func (a *havingWindowAndOrderbyExprResolver) pushCurClause(newClause clauseCode) { + a.prevClause = append(a.prevClause, a.curClause) + a.curClause = newClause +} + +func (a *havingWindowAndOrderbyExprResolver) popCurClause() { + a.curClause = a.prevClause[len(a.prevClause)-1] + a.prevClause = a.prevClause[:len(a.prevClause)-1] } // Enter implements Visitor interface. @@ -1886,6 +1897,12 @@ func (a *havingWindowAndOrderbyExprResolver) Enter(n ast.Node) (node ast.Node, s // Enter a new context, skip it. // For example: select sum(c) + c + exists(select c from t) from t; return n, true + case *ast.PartitionByClause: + a.pushCurClause(partitionByClause) + case *ast.OrderByClause: + if a.inWindowSpec { + a.pushCurClause(windowOrderByClause) + } default: a.inExpr = true } @@ -1966,6 +1983,12 @@ func (a *havingWindowAndOrderbyExprResolver) Leave(n ast.Node) (node ast.Node, o } case *ast.WindowSpec: a.inWindowSpec = false + case *ast.PartitionByClause: + a.popCurClause() + case *ast.OrderByClause: + if a.inWindowSpec { + a.popCurClause() + } case *ast.ColumnNameExpr: resolveFieldsFirst := true if a.inAggFunc || a.inWindowFunc || a.inWindowSpec || (a.curClause == orderByClause && a.inExpr) || a.curClause == fieldList { @@ -2018,7 +2041,8 @@ func (a *havingWindowAndOrderbyExprResolver) Leave(n ast.Node) (node ast.Node, o var err error index, err = a.resolveFromPlan(v, a.p) _ = err - if index == -1 && a.curClause != fieldList { + if index == -1 && a.curClause != fieldList && + a.curClause != windowOrderByClause && a.curClause != partitionByClause { index, a.err = resolveFromSelectFields(v, a.selectFields, false) if index != -1 && a.curClause == havingClause && ast.HasWindowFlag(a.selectFields[index].Expr) { a.err = ErrWindowInvalidWindowFuncAliasUse.GenWithStackByArgs(v.Name.Name.O) @@ -3392,7 +3416,7 @@ func (b *PlanBuilder) buildSelect(ctx context.Context, sel *ast.SelectStmt) (p L } var windowMapper map[*ast.WindowFuncExpr]int - if hasWindowFuncField { + if hasWindowFuncField || sel.WindowSpecs != nil { windowFuncs := extractWindowFuncs(sel.Fields.Fields) // we need to check the func args first before we check the window spec err := b.checkWindowFuncArgs(ctx, p, windowFuncs, windowAggMap) @@ -3407,10 +3431,14 @@ func (b *PlanBuilder) buildSelect(ctx context.Context, sel *ast.SelectStmt) (p L if err != nil { return nil, err } - // Now we build the window function fields. - p, projExprs, oldLen, err = b.buildProjection(ctx, p, sel.Fields.Fields, windowAggMap, windowMapper, true, false) - if err != nil { - return nil, err + // `hasWindowFuncField == false` means there's only unused named window specs without window functions. + // In such case plan `p` is not changed, so we don't have to build another projection. + if hasWindowFuncField { + // Now we build the window function fields. + p, projExprs, oldLen, err = b.buildProjection(ctx, p, sel.Fields.Fields, windowAggMap, windowMapper, true, false) + if err != nil { + return nil, err + } } } @@ -5087,7 +5115,16 @@ func (b *PlanBuilder) buildWindowFunctions(ctx context.Context, p LogicalPlan, g if err != nil { return nil, nil, err } - err = b.checkOriginWindowSpecs(funcs, orderBy) + if len(funcs) == 0 { + // len(funcs) == 0 indicates this an unused named window spec, + // so we just check for its validity and don't have to build plan for it. + err := b.checkOriginWindowSpec(spec, orderBy) + if err != nil { + return nil, nil, err + } + continue + } + err = b.checkOriginWindowFuncs(funcs, orderBy) if err != nil { return nil, nil, err } @@ -5132,9 +5169,9 @@ func (b *PlanBuilder) buildWindowFunctions(ctx context.Context, p LogicalPlan, g return p, windowMap, nil } -// checkOriginWindowSpecs checks the validation for origin window specifications for a group of functions. -// Because of the grouped specification is different from it, we should especially check them before build window frame. -func (b *PlanBuilder) checkOriginWindowSpecs(funcs []*ast.WindowFuncExpr, orderByItems []property.SortItem) error { +// checkOriginWindowFuncs checks the validity for original window specifications for a group of functions. +// Because the grouped specification is different from them, we should especially check them before build window frame. +func (b *PlanBuilder) checkOriginWindowFuncs(funcs []*ast.WindowFuncExpr, orderByItems []property.SortItem) error { for _, f := range funcs { if f.IgnoreNull { return ErrNotSupportedYet.GenWithStackByArgs("IGNORE NULLS") @@ -5149,38 +5186,46 @@ func (b *PlanBuilder) checkOriginWindowSpecs(funcs []*ast.WindowFuncExpr, orderB if f.Spec.Name.L != "" { spec = b.windowSpecs[f.Spec.Name.L] } - if spec.Frame == nil { - continue - } - if spec.Frame.Type == ast.Groups { - return ErrNotSupportedYet.GenWithStackByArgs("GROUPS") - } - start, end := spec.Frame.Extent.Start, spec.Frame.Extent.End - if start.Type == ast.Following && start.UnBounded { - return ErrWindowFrameStartIllegal.GenWithStackByArgs(getWindowName(spec.Name.O)) - } - if end.Type == ast.Preceding && end.UnBounded { - return ErrWindowFrameEndIllegal.GenWithStackByArgs(getWindowName(spec.Name.O)) - } - if start.Type == ast.Following && (end.Type == ast.Preceding || end.Type == ast.CurrentRow) { - return ErrWindowFrameIllegal.GenWithStackByArgs(getWindowName(spec.Name.O)) - } - if (start.Type == ast.Following || start.Type == ast.CurrentRow) && end.Type == ast.Preceding { - return ErrWindowFrameIllegal.GenWithStackByArgs(getWindowName(spec.Name.O)) - } - - err := b.checkOriginWindowFrameBound(&start, spec, orderByItems) - if err != nil { - return err - } - err = b.checkOriginWindowFrameBound(&end, spec, orderByItems) - if err != nil { + if err := b.checkOriginWindowSpec(spec, orderByItems); err != nil { return err } } return nil } +// checkOriginWindowSpec checks the validity for given window specification. +func (b *PlanBuilder) checkOriginWindowSpec(spec *ast.WindowSpec, orderByItems []property.SortItem) error { + if spec.Frame == nil { + return nil + } + if spec.Frame.Type == ast.Groups { + return ErrNotSupportedYet.GenWithStackByArgs("GROUPS") + } + start, end := spec.Frame.Extent.Start, spec.Frame.Extent.End + if start.Type == ast.Following && start.UnBounded { + return ErrWindowFrameStartIllegal.GenWithStackByArgs(getWindowName(spec.Name.O)) + } + if end.Type == ast.Preceding && end.UnBounded { + return ErrWindowFrameEndIllegal.GenWithStackByArgs(getWindowName(spec.Name.O)) + } + if start.Type == ast.Following && (end.Type == ast.Preceding || end.Type == ast.CurrentRow) { + return ErrWindowFrameIllegal.GenWithStackByArgs(getWindowName(spec.Name.O)) + } + if (start.Type == ast.Following || start.Type == ast.CurrentRow) && end.Type == ast.Preceding { + return ErrWindowFrameIllegal.GenWithStackByArgs(getWindowName(spec.Name.O)) + } + + err := b.checkOriginWindowFrameBound(&start, spec, orderByItems) + if err != nil { + return err + } + err = b.checkOriginWindowFrameBound(&end, spec, orderByItems) + if err != nil { + return err + } + return nil +} + func (b *PlanBuilder) checkOriginWindowFrameBound(bound *ast.FrameBound, spec *ast.WindowSpec, orderByItems []property.SortItem) error { if bound.Type == ast.CurrentRow || bound.UnBounded { return nil @@ -5300,6 +5345,15 @@ func (b *PlanBuilder) groupWindowFuncs(windowFuncs []*ast.WindowFuncExpr) (map[* groupedWindow[updatedSpec] = append(groupedWindow[updatedSpec], windowFunc) } } + // Unused window specs should also be checked in b.buildWindowFunctions, + // so we add them to `groupedWindow` with empty window functions. + for _, spec := range b.windowSpecs { + if _, ok := groupedWindow[spec]; !ok { + if _, ok = updatedSpecMap[spec.Name.L]; !ok { + groupedWindow[spec] = nil + } + } + } return groupedWindow, nil } diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index 54ff5e1e2edcf..5115f35a03974 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -373,6 +373,8 @@ const ( showStatement globalOrderByClause expressionClause + windowOrderByClause + partitionByClause ) var clauseMsg = map[clauseCode]string{ @@ -386,6 +388,8 @@ var clauseMsg = map[clauseCode]string{ showStatement: "show statement", globalOrderByClause: "global ORDER clause", expressionClause: "expression", + windowOrderByClause: "window order by", + partitionByClause: "window partition by", } type capFlagType = uint64 From d6ebb3707d4a475c60b9f65766730f55c240a6c5 Mon Sep 17 00:00:00 2001 From: Yiding Cui Date: Wed, 23 Dec 2020 19:49:00 +0800 Subject: [PATCH 0556/1021] config: disable statistics feedback by default (#21923) --- config/config.go | 2 +- config/config.toml.example | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/config/config.go b/config/config.go index eb9500124b09f..4f6630da06268 100644 --- a/config/config.go +++ b/config/config.go @@ -702,7 +702,7 @@ var defaultConf = Config{ StatsLease: "3s", RunAutoAnalyze: true, StmtCountLimit: 5000, - FeedbackProbability: 0.05, + FeedbackProbability: 0.0, QueryFeedbackLimit: 512, PseudoEstimateRatio: 0.8, ForcePriority: "NO_PRIORITY", diff --git a/config/config.toml.example b/config/config.toml.example index 1890e3284b8a7..45732755de468 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -257,7 +257,7 @@ stats-lease = "3s" run-auto-analyze = true # Probability to use the query feedback to update stats, 0.0 or 1.0 for always false/true. -feedback-probability = 0.05 +feedback-probability = 0.0 # The max number of query feedback that cache in memory. query-feedback-limit = 512 From 5aebcee5cf580e2a1cafa3a1224dd512690b9919 Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Wed, 23 Dec 2020 20:09:00 +0800 Subject: [PATCH 0557/1021] executor, session, sessionctx: fix the error message of read-only variable is corrupted (#21948) --- executor/executor_test.go | 4 ++-- executor/set_test.go | 4 ++-- session/session_test.go | 6 ++++++ sessionctx/variable/session.go | 2 -- sessionctx/variable/sysvar.go | 6 +++--- sessionctx/variable/varsutil_test.go | 2 +- 6 files changed, 14 insertions(+), 10 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index e2da65a81ce3e..d3276c151bbcc 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -2892,7 +2892,7 @@ func (s *testSuite) TestTiDBCurrentTS(c *C) { tk.MustQuery("select @@tidb_current_ts").Check(testkit.Rows("0")) _, err = tk.Exec("set @@tidb_current_ts = '1'") - c.Assert(terror.ErrorEqual(err, variable.ErrReadOnly), IsTrue, Commentf("err %v", err)) + c.Assert(terror.ErrorEqual(err, variable.ErrIncorrectScope), IsTrue, Commentf("err %v", err)) } func (s *testSuite) TestTiDBLastTxnInfo(c *C) { @@ -2946,7 +2946,7 @@ func (s *testSuite) TestTiDBLastTxnInfo(c *C) { c.Assert(strings.Contains(err.Error(), rows7[0][1].(string)), IsTrue) _, err = tk.Exec("set @@tidb_last_txn_info = '{}'") - c.Assert(terror.ErrorEqual(err, variable.ErrReadOnly), IsTrue, Commentf("err %v", err)) + c.Assert(terror.ErrorEqual(err, variable.ErrIncorrectScope), IsTrue, Commentf("err %v", err)) } func (s *testSuite) TestTiDBLastQueryInfo(c *C) { diff --git a/executor/set_test.go b/executor/set_test.go index e753c3c35ca53..aa7b312529b6d 100644 --- a/executor/set_test.go +++ b/executor/set_test.go @@ -755,10 +755,10 @@ func (s *testSuite5) TestValidateSetVar(c *C) { result.Check(testkit.Rows("7")) _, err = tk.Exec("set @@error_count = 0") - c.Assert(terror.ErrorEqual(err, variable.ErrReadOnly), IsTrue, Commentf("err %v", err)) + c.Assert(terror.ErrorEqual(err, variable.ErrIncorrectScope), IsTrue, Commentf("err %v", err)) _, err = tk.Exec("set @@warning_count = 0") - c.Assert(terror.ErrorEqual(err, variable.ErrReadOnly), IsTrue, Commentf("err %v", err)) + c.Assert(terror.ErrorEqual(err, variable.ErrIncorrectScope), IsTrue, Commentf("err %v", err)) tk.MustExec("set time_zone='SySTeM'") result = tk.MustQuery("select @@time_zone;") diff --git a/session/session_test.go b/session/session_test.go index bc278cf315076..811a3f6f11919 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -3804,3 +3804,9 @@ func (s *testSessionSerialSuite) TestDefaultWeekFormat(c *C) { tk2 := testkit.NewTestKitWithInit(c, s.store) tk2.MustQuery("select week('2020-02-02'), @@default_week_format, week('2020-02-02');").Check(testkit.Rows("6 4 6")) } + +func (s *testSessionSerialSuite) TestIssue21944(c *C) { + tk1 := testkit.NewTestKitWithInit(c, s.store) + _, err := tk1.Exec("set @@tidb_current_ts=1;") + c.Assert(err.Error(), Equals, "[variable:1238]Variable 'tidb_current_ts' is a read only variable") +} diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 6dd4c2e1c3622..8d091f3db0e25 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -1433,8 +1433,6 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.BatchCommit = TiDBOptOn(val) case TiDBDMLBatchSize: s.DMLBatchSize = int(tidbOptInt64(val, DefOptCorrelationExpFactor)) - case TiDBCurrentTS, TiDBLastTxnInfo, TiDBConfig: - return ErrReadOnly case TiDBMaxChunkSize: s.MaxChunkSize = tidbOptPositiveInt32(val, DefMaxChunkSize) case TiDBInitChunkSize: diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index eb671039293b4..7b65bb3d06867 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -107,7 +107,7 @@ type SysVar struct { func (sv *SysVar) ValidateFromType(vars *SessionVars, value string, scope ScopeFlag) (string, error) { // Some sysvars are read-only. Attempting to set should always fail. if sv.ReadOnly || sv.Scope == ScopeNone { - return value, ErrReadOnly.GenWithStackByArgs(sv.Name) + return value, ErrIncorrectScope.GenWithStackByArgs(sv.Name, "read only") } // The string "DEFAULT" is a special keyword in MySQL, which restores // the compiled sysvar value. In which case we can skip further validation. @@ -1012,7 +1012,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TiDBBatchDelete, Value: BoolToOnOff(DefBatchDelete), Type: TypeBool}, {Scope: ScopeSession, Name: TiDBBatchCommit, Value: BoolToOnOff(DefBatchCommit), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBDMLBatchSize, Value: strconv.Itoa(DefDMLBatchSize), Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64}, - {Scope: ScopeSession, Name: TiDBCurrentTS, Value: strconv.Itoa(DefCurretTS)}, + {Scope: ScopeSession, Name: TiDBCurrentTS, Value: strconv.Itoa(DefCurretTS), ReadOnly: true}, {Scope: ScopeSession, Name: TiDBLastTxnInfo, Value: strconv.Itoa(DefCurretTS), ReadOnly: true}, {Scope: ScopeSession, Name: TiDBLastQueryInfo, Value: strconv.Itoa(DefCurretTS), ReadOnly: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBMaxChunkSize, Value: strconv.Itoa(DefMaxChunkSize), Type: TypeUnsigned, MinValue: maxChunkSizeLowerBound, MaxValue: math.MaxUint64}, @@ -1066,7 +1066,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TiDBGeneralLog, Value: BoolToOnOff(DefTiDBGeneralLog), Type: TypeBool}, {Scope: ScopeSession, Name: TiDBPProfSQLCPU, Value: strconv.Itoa(DefTiDBPProfSQLCPU), Type: TypeInt, MinValue: 0, MaxValue: 1}, {Scope: ScopeSession, Name: TiDBDDLSlowOprThreshold, Value: strconv.Itoa(DefTiDBDDLSlowOprThreshold)}, - {Scope: ScopeSession, Name: TiDBConfig, Value: ""}, + {Scope: ScopeSession, Name: TiDBConfig, Value: "", ReadOnly: true}, {Scope: ScopeGlobal, Name: TiDBDDLReorgWorkerCount, Value: strconv.Itoa(DefTiDBDDLReorgWorkerCount), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64}, {Scope: ScopeGlobal, Name: TiDBDDLReorgBatchSize, Value: strconv.Itoa(DefTiDBDDLReorgBatchSize), Type: TypeUnsigned, MinValue: int64(MinDDLReorgBatchSize), MaxValue: uint64(MaxDDLReorgBatchSize), AutoConvertOutOfRange: true}, {Scope: ScopeGlobal, Name: TiDBDDLErrorCountLimit, Value: strconv.Itoa(DefTiDBDDLErrorCountLimit), Type: TypeUnsigned, MinValue: 0, MaxValue: uint64(math.MaxInt64), AutoConvertOutOfRange: true}, diff --git a/sessionctx/variable/varsutil_test.go b/sessionctx/variable/varsutil_test.go index 0e10bcb23d52c..f8e49d6f2ff67 100644 --- a/sessionctx/variable/varsutil_test.go +++ b/sessionctx/variable/varsutil_test.go @@ -246,7 +246,7 @@ func (s *testVarsutilSuite) TestVarsutil(c *C) { // Test case for TiDBConfig session variable. err = SetSessionSystemVar(v, TiDBConfig, types.NewStringDatum("abc")) - c.Assert(terror.ErrorEqual(err, ErrReadOnly), IsTrue) + c.Assert(terror.ErrorEqual(err, ErrIncorrectScope), IsTrue) val, err = GetSessionSystemVar(v, TiDBConfig) c.Assert(err, IsNil) bVal, err := json.MarshalIndent(config.GetGlobalConfig(), "", "\t") From 8f81ec150d1c9898bd06a20ad2b52f028066c989 Mon Sep 17 00:00:00 2001 From: xhe Date: Wed, 23 Dec 2020 22:49:29 +0800 Subject: [PATCH 0558/1021] ddl: inherit placement rules from the parent (#21910) Signed-off-by: xhe --- ddl/ddl_api.go | 18 ++++------ ddl/ddl_worker.go | 2 +- ddl/partition.go | 2 +- ddl/placement/const.go | 8 +++-- infoschema/infoschema.go | 26 ++++++++++++++ infoschema/infoschema_test.go | 68 +++++++++++++++++++++++++++++++++++ 6 files changed, 109 insertions(+), 15 deletions(-) diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index c9d86273c7f5e..152677111dcf2 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -2431,7 +2431,7 @@ func (d *ddl) AlterTable(ctx sessionctx.Context, ident ast.Ident, specs []*ast.A err = d.RenameTable(ctx, ident, newIdent, isAlterTable) case ast.AlterTableAlterPartition: if ctx.GetSessionVars().EnableAlterPlacement { - err = d.AlterTablePartition(ctx, ident, spec) + err = d.AlterTableAlterPartition(ctx, ident, spec) } else { err = errors.New("alter partition alter placement is experimental and it is switched off by tidb_enable_alter_placement") } @@ -5792,7 +5792,7 @@ func buildPlacementSpecs(bundle *placement.Bundle, specs []*ast.PlacementSpec) ( return bundle, nil } -func (d *ddl) AlterTablePartition(ctx sessionctx.Context, ident ast.Ident, spec *ast.AlterTableSpec) (err error) { +func (d *ddl) AlterTableAlterPartition(ctx sessionctx.Context, ident ast.Ident, spec *ast.AlterTableSpec) (err error) { schema, tb, err := d.getSchemaAndTableByIdent(ctx, ident) if err != nil { return errors.Trace(err) @@ -5808,14 +5808,9 @@ func (d *ddl) AlterTablePartition(ctx sessionctx.Context, ident ast.Ident, spec return errors.Trace(err) } - pid := placement.GroupID(partitionID) + oldBundle := infoschema.GetBundle(d.infoHandle.Get(), []int64{partitionID, meta.ID, schema.ID}) - oldBundle, ok := d.infoHandle.Get().BundleByName(pid) - if !ok { - oldBundle = &placement.Bundle{ID: pid} - } else { - oldBundle = oldBundle.Clone() - } + oldBundle.ID = placement.GroupID(partitionID) bundle, err := buildPlacementSpecs(oldBundle, spec.PlacementSpecs) if err != nil { @@ -5842,15 +5837,16 @@ func (d *ddl) AlterTablePartition(ctx sessionctx.Context, ident ast.Ident, spec if cnt <= 0 { continue } - bundle.Rules = append(newRules, &placement.Rule{ + newRules = append(newRules, &placement.Rule{ GroupID: bundle.ID, - ID: "default", + ID: string(role), Role: role, Count: cnt, StartKeyHex: startKey, EndKeyHex: endKey, }) } + bundle.Rules = newRules if len(bundle.Rules) == 0 { bundle.Index = 0 bundle.Override = false diff --git a/ddl/ddl_worker.go b/ddl/ddl_worker.go index f8d278384f662..5723d2bfd6d69 100644 --- a/ddl/ddl_worker.go +++ b/ddl/ddl_worker.go @@ -689,7 +689,7 @@ func (w *worker) runDDLJob(d *ddlCtx, t *meta.Meta, job *model.Job) (ver int64, case model.ActionAlterIndexVisibility: ver, err = onAlterIndexVisibility(t, job) case model.ActionAlterTableAlterPartition: - ver, err = onAlterTablePartition(t, job) + ver, err = onAlterTableAlterPartition(t, job) case model.ActionAlterSequence: ver, err = onAlterSequence(t, job) case model.ActionRenameTables: diff --git a/ddl/partition.go b/ddl/partition.go index a5f4bab3c3880..f047d1daf8456 100644 --- a/ddl/partition.go +++ b/ddl/partition.go @@ -1607,7 +1607,7 @@ func truncateTableByReassignPartitionIDs(t *meta.Meta, tblInfo *model.TableInfo) return nil } -func onAlterTablePartition(t *meta.Meta, job *model.Job) (ver int64, err error) { +func onAlterTableAlterPartition(t *meta.Meta, job *model.Job) (ver int64, err error) { var partitionID int64 bundle := &placement.Bundle{} err = job.DecodeArgs(&partitionID, bundle) diff --git a/ddl/placement/const.go b/ddl/placement/const.go index d90763d91e97e..cde8dee4d023e 100644 --- a/ddl/placement/const.go +++ b/ddl/placement/const.go @@ -13,8 +13,12 @@ package placement -// BundleIDPrefix is the bundle prefix of all rules from TiDB_DDL statements. -const BundleIDPrefix = "TiDB_DDL_" +const ( + // BundleIDPrefix is the bundle prefix of all rule bundles from TiDB_DDL statements. + BundleIDPrefix = "TiDB_DDL_" + // PDBundleID is the bundle name of pd, the default bundle for all regions. + PDBundleID = "pd" +) const ( // RuleIndexDefault is the default index for a rule, check Rule.Index. diff --git a/infoschema/infoschema.go b/infoschema/infoschema.go index eb1a2d2f85426..d01e42d76871d 100644 --- a/infoschema/infoschema.go +++ b/infoschema/infoschema.go @@ -416,3 +416,29 @@ func (is *infoSchema) RuleBundles() map[string]*placement.Bundle { func (is *infoSchema) MockBundles(ruleBundleMap map[string]*placement.Bundle) { is.ruleBundleMap = ruleBundleMap } + +// GetBundle get the first available bundle by array of IDs, possibbly fallback to the default. +// If fallback to the default, only rules applied to all regions(empty keyrange) will be returned. +// If the default bundle is unavailable, an empty bundle with an GroupID(ids[0]) is returned. +func GetBundle(h InfoSchema, ids []int64) *placement.Bundle { + for _, id := range ids { + b, ok := h.BundleByName(placement.GroupID(id)) + if ok { + return b.Clone() + } + } + + b, ok := h.BundleByName(placement.PDBundleID) + if ok { + newRules := b.Rules[:0] + for _, rule := range b.Rules { + if rule.StartKeyHex == "" && rule.EndKeyHex == "" { + newRules = append(newRules, rule.Clone()) + } + } + b.Rules = newRules + return b + } + + return &placement.Bundle{ID: placement.GroupID(ids[0])} +} diff --git a/infoschema/infoschema_test.go b/infoschema/infoschema_test.go index 5c2e9241c066a..38cb62a786daf 100644 --- a/infoschema/infoschema_test.go +++ b/infoschema/infoschema_test.go @@ -21,6 +21,7 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" + "github.com/pingcap/tidb/ddl/placement" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/meta" @@ -337,3 +338,70 @@ func genGlobalID(store kv.Storage) (int64, error) { }) return globalID, errors.Trace(err) } + +func (*testSuite) TestGetBundle(c *C) { + defer testleak.AfterTest(c)() + store, err := mockstore.NewMockStore() + c.Assert(err, IsNil) + defer store.Close() + + handle := infoschema.NewHandle(store) + builder, err := infoschema.NewBuilder(handle).InitWithDBInfos(nil, nil, 0) + c.Assert(err, IsNil) + builder.Build() + + is := handle.Get() + + bundles := make(map[string]*placement.Bundle) + is.MockBundles(bundles) + + bundle := &placement.Bundle{ + ID: placement.PDBundleID, + Rules: []*placement.Rule{ + { + GroupID: placement.PDBundleID, + ID: "default", + Role: "voter", + Count: 3, + }, + }, + } + bundles[placement.PDBundleID] = bundle + + b := infoschema.GetBundle(is, []int64{}) + c.Assert(b, DeepEquals, bundle) + + ptID := placement.GroupID(3) + bundle = &placement.Bundle{ + ID: ptID, + Rules: []*placement.Rule{ + { + GroupID: ptID, + ID: "default", + Role: "voter", + Count: 4, + }, + }, + } + bundles[ptID] = bundle + + b = infoschema.GetBundle(is, []int64{2, 3}) + c.Assert(b, DeepEquals, bundle) + + ptID = placement.GroupID(1) + bundle = &placement.Bundle{ + ID: ptID, + Rules: []*placement.Rule{ + { + GroupID: ptID, + ID: "default", + Role: "voter", + Count: 4, + }, + }, + } + bundles[ptID] = bundle + + b = infoschema.GetBundle(is, []int64{1, 2, 3}) + c.Assert(b, DeepEquals, bundle) +} From 213942149427cd443bf13e54c482afafb66a284c Mon Sep 17 00:00:00 2001 From: JmPotato Date: Thu, 24 Dec 2020 10:10:59 +0800 Subject: [PATCH 0559/1021] session: use ExecuteInternal to execute the bootstrap SQLs (#21979) Signed-off-by: JmPotato --- session/bootstrap.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/session/bootstrap.go b/session/bootstrap.go index dd5ae8b8bf941..4df5d2c269694 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -1421,7 +1421,7 @@ func doDMLWorks(s Session) { } func mustExecute(s Session, sql string) { - _, err := s.Execute(context.Background(), sql) + _, err := s.ExecuteInternal(context.Background(), sql) if err != nil { debug.PrintStack() logutil.BgLogger().Fatal("mustExecute error", zap.Error(err)) From 01b8cdc6e06120ec9b237f2065852050f5475121 Mon Sep 17 00:00:00 2001 From: Ping Yu Date: Thu, 24 Dec 2020 11:02:03 +0800 Subject: [PATCH 0560/1021] test: fix globalkilltest (#21987) --- tests/globalkilltest/global_kill_test.go | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/tests/globalkilltest/global_kill_test.go b/tests/globalkilltest/global_kill_test.go index 8576b4b3bdc72..cab00699366c9 100644 --- a/tests/globalkilltest/global_kill_test.go +++ b/tests/globalkilltest/global_kill_test.go @@ -117,8 +117,8 @@ func (s *TestGlobalKillSuite) startTiDBWithoutPD(port int, statusPort int) (cmd fmt.Sprintf("--path=%s/mocktikv", *tmpPath), fmt.Sprintf("-P=%d", port), fmt.Sprintf("--status=%d", statusPort), - fmt.Sprintf("--log-file=%s/tidb%d.log", *tmpPath, port)) - fmt.Sprintf("--config=%s", "./config.toml") + fmt.Sprintf("--log-file=%s/tidb%d.log", *tmpPath, port), + fmt.Sprintf("--config=%s", "./config.toml")) log.Infof("starting tidb: %v", cmd) err = cmd.Start() if err != nil { @@ -135,8 +135,8 @@ func (s *TestGlobalKillSuite) startTiDBWithPD(port int, statusPort int, pdPath s fmt.Sprintf("--path=%s", pdPath), fmt.Sprintf("-P=%d", port), fmt.Sprintf("--status=%d", statusPort), - fmt.Sprintf("--log-file=%s/tidb%d.log", *tmpPath, port)) - fmt.Sprintf("--config=%s", "./config.toml") + fmt.Sprintf("--log-file=%s/tidb%d.log", *tmpPath, port), + fmt.Sprintf("--config=%s", "./config.toml")) log.Infof("starting tidb: %v", cmd) err = cmd.Start() if err != nil { From d337bf4cd4529f079641abe76960d4aa280cceb5 Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Thu, 24 Dec 2020 11:48:32 +0800 Subject: [PATCH 0561/1021] parser: update parser and add test for parse identifier (#21908) --- expression/integration_test.go | 18 ++++++++++++++++++ go.mod | 2 +- go.sum | 4 ++-- 3 files changed, 21 insertions(+), 3 deletions(-) diff --git a/expression/integration_test.go b/expression/integration_test.go index f9af68fe5cf24..d11c45cc8862f 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -8381,6 +8381,24 @@ func (s *testIntegrationSuite) TestIssue12205(c *C) { testkit.Rows("Warning 1292 Truncated incorrect time value: '18446744072635875000'")) } +func (s *testIntegrationSuite) TestIssue21677(c *C) { + tk := testkit.NewTestKit(c, s.store) + + tk.MustExec("use test") + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t(1e int);") + tk.MustExec("insert into t values (1);") + tk.MustQuery("select t.1e from test.t;").Check(testkit.Rows("1")) + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t(99e int, r10 int);") + tk.MustExec("insert into t values (1, 10), (2, 2);") + tk.MustQuery("select 99e+r10 from t;").Check(testkit.Rows("11", "4")) + tk.MustQuery("select .78$123;").Check(testkit.Rows("0.78")) + tk.MustGetErrCode("select .78$421+1;", mysql.ErrParse) + tk.MustQuery("select t. `r10` > 3 from t;").Check(testkit.Rows("1", "0")) + tk.MustQuery("select * from t where t. `r10` > 3;").Check(testkit.Rows("1 10")) +} + func (s *testIntegrationSerialSuite) TestLikeWithCollation(c *C) { tk := testkit.NewTestKit(c, s.store) collate.SetNewCollationEnabledForTest(true) diff --git a/go.mod b/go.mod index f5e8e39c2a34a..d4655aaf30620 100644 --- a/go.mod +++ b/go.mod @@ -47,7 +47,7 @@ require ( github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20201215060142-f3dafca4c7fd github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 - github.com/pingcap/parser v0.0.0-20201203152619-33293d112894 + github.com/pingcap/parser v0.0.0-20201222091346-02c8ff27d0bc github.com/pingcap/sysutil v0.0.0-20201130064824-f0c8aa6a6966 github.com/pingcap/tidb-lightning v4.0.9-0.20201106041742-a1ac97827a27+incompatible github.com/pingcap/tidb-tools v4.0.9-0.20201127090955-2707c97b3853+incompatible diff --git a/go.sum b/go.sum index 002eeb21f5dfe..e232bce4478f9 100644 --- a/go.sum +++ b/go.sum @@ -690,8 +690,8 @@ github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 h1:M+DNpOu/I3uDmwee6vc github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/parser v0.0.0-20190506092653-e336082eb825/go.mod h1:1FNvfp9+J0wvc4kl8eGNh7Rqrxveg15jJoWo/a0uHwA= github.com/pingcap/parser v0.0.0-20200422082501-7329d80eaf2c/go.mod h1:9v0Edh8IbgjGYW2ArJr19E+bvL8zKahsFp+ixWeId+4= -github.com/pingcap/parser v0.0.0-20201203152619-33293d112894 h1:l3j4Ys9EkfvfE89Xylowoe9ncPy/0ajUtZs3MiQphac= -github.com/pingcap/parser v0.0.0-20201203152619-33293d112894/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= +github.com/pingcap/parser v0.0.0-20201222091346-02c8ff27d0bc h1:oMXIY64IM3ie/sJSnR3aGs7YdyWs4sman+8CLiZOgec= +github.com/pingcap/parser v0.0.0-20201222091346-02c8ff27d0bc/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= github.com/pingcap/pd v2.1.5+incompatible/go.mod h1:nD3+EoYes4+aNNODO99ES59V83MZSI+dFbhyr667a0E= github.com/pingcap/pd/v4 v4.0.0-rc.1.0.20200422143320-428acd53eba2/go.mod h1:s+utZtXDznOiL24VK0qGmtoHjjXNsscJx3m1n8cC56s= github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= From 092a01a0a43462c93c29efdc8a8c9158a7868021 Mon Sep 17 00:00:00 2001 From: Zhou Kunqin <25057648+time-and-fate@users.noreply.github.com> Date: Thu, 24 Dec 2020 13:56:30 +0800 Subject: [PATCH 0562/1021] statistics, executor: refactor statistics on columns (#21817) --- executor/analyze.go | 65 +++++++++--- executor/analyze_test.go | 11 +- executor/builder.go | 3 +- statistics/analyze_jobs.go | 12 +++ statistics/builder.go | 179 ++++++++++++++++++++++++++++++--- statistics/handle/dump.go | 11 +- statistics/handle/dump_test.go | 2 +- statistics/handle/handle.go | 42 +++++++- statistics/histogram.go | 130 +++++++++++++++++++++--- statistics/statistics_test.go | 26 ++++- statistics/table.go | 5 +- 11 files changed, 431 insertions(+), 55 deletions(-) diff --git a/executor/analyze.go b/executor/analyze.go index 091abb8575c74..58d84dc459d3a 100644 --- a/executor/analyze.go +++ b/executor/analyze.go @@ -199,7 +199,9 @@ func (e *AnalyzeExec) analyzeWorker(taskCh <-chan *analyzeTask, resultCh chan<- switch task.taskType { case colTask: task.colExec.job = task.job - resultCh <- analyzeColumnsPushdown(task.colExec) + for _, result := range analyzeColumnsPushdown(task.colExec) { + resultCh <- result + } case idxTask: task.idxExec.job = task.job resultCh <- analyzeIndexPushdown(task.idxExec) @@ -400,7 +402,7 @@ func (e *AnalyzeIndexExec) buildStats(ranges []*ranger.Range, considerNull bool) return hist, cms, topN, nil } -func analyzeColumnsPushdown(colExec *AnalyzeColumnsExec) analyzeResult { +func analyzeColumnsPushdown(colExec *AnalyzeColumnsExec) []analyzeResult { var ranges []*ranger.Range if hc := colExec.handleCols; hc != nil { if hc.IsInt() { @@ -413,7 +415,31 @@ func analyzeColumnsPushdown(colExec *AnalyzeColumnsExec) analyzeResult { } hists, cms, topNs, extStats, err := colExec.buildStats(ranges, true) if err != nil { - return analyzeResult{Err: err, job: colExec.job} + return []analyzeResult{{Err: err, job: colExec.job}} + } + + if hasPkHist(colExec.handleCols) { + PKresult := analyzeResult{ + TableID: colExec.tableID, + Hist: hists[:1], + Cms: cms[:1], + TopNs: topNs[:1], + ExtStats: nil, + job: nil, + StatsVer: statistics.Version1, + } + PKresult.Count = int64(PKresult.Hist[0].TotalRowCount()) + restResult := analyzeResult{ + TableID: colExec.tableID, + Hist: hists[1:], + Cms: cms[1:], + TopNs: topNs[1:], + ExtStats: extStats, + job: colExec.job, + StatsVer: colExec.analyzeVer, + } + restResult.Count = PKresult.Count + return []analyzeResult{PKresult, restResult} } result := analyzeResult{ TableID: colExec.tableID, @@ -422,14 +448,13 @@ func analyzeColumnsPushdown(colExec *AnalyzeColumnsExec) analyzeResult { TopNs: topNs, ExtStats: extStats, job: colExec.job, - StatsVer: colExec.ctx.GetSessionVars().AnalyzeVersion, + StatsVer: colExec.analyzeVer, } - hist := hists[0] - result.Count = hist.NullCount - if hist.Len() > 0 { - result.Count += hist.Buckets[hist.Len()-1].Count + result.Count = int64(result.Hist[0].TotalRowCount()) + if result.StatsVer == statistics.Version2 { + result.Count += int64(topNs[0].TotalCount()) } - return result + return []analyzeResult{result} } // AnalyzeColumnsExec represents Analyze columns push down executor. @@ -444,6 +469,7 @@ type AnalyzeColumnsExec struct { resultHandler *tableResultHandler opts map[ast.AnalyzeOptionType]uint64 job *statistics.AnalyzeJob + analyzeVer int } func (e *AnalyzeColumnsExec) open(ranges []*ranger.Range) error { @@ -555,11 +581,14 @@ func (e *AnalyzeColumnsExec) buildStats(ranges []*ranger.Range, needExtStats boo topNs = append(topNs, nil) } for i, col := range e.colsInfo { - err := collectors[i].ExtractTopN(uint32(e.opts[ast.AnalyzeOptNumTopN]), e.ctx.GetSessionVars().StmtCtx, &col.FieldType, timeZone) - if err != nil { - return nil, nil, nil, nil, err + if e.analyzeVer < 2 { + // In analyze version 2, we don't collect TopN this way. We will collect TopN from samples in `BuildColumnHistAndTopN()` below. + err := collectors[i].ExtractTopN(uint32(e.opts[ast.AnalyzeOptNumTopN]), e.ctx.GetSessionVars().StmtCtx, &col.FieldType, timeZone) + if err != nil { + return nil, nil, nil, nil, err + } + topNs = append(topNs, collectors[i].TopN) } - topNs = append(topNs, collectors[i].TopN) for j, s := range collectors[i].Samples { collectors[i].Samples[j].Ordinal = j collectors[i].Samples[j].Value, err = tablecodec.DecodeColumnValue(s.Value.GetBytes(), &col.FieldType, timeZone) @@ -572,7 +601,15 @@ func (e *AnalyzeColumnsExec) buildStats(ranges []*ranger.Range, needExtStats boo collectors[i].Samples[j].Value.SetBytes(collectors[i].Samples[j].Value.GetBytes()) } } - hg, err := statistics.BuildColumn(e.ctx, int64(e.opts[ast.AnalyzeOptNumBuckets]), col.ID, collectors[i], &col.FieldType) + var hg *statistics.Histogram + var err error + var topn *statistics.TopN + if e.analyzeVer < 2 { + hg, err = statistics.BuildColumn(e.ctx, int64(e.opts[ast.AnalyzeOptNumBuckets]), col.ID, collectors[i], &col.FieldType) + } else { + hg, topn, err = statistics.BuildColumnHistAndTopN(e.ctx, int(e.opts[ast.AnalyzeOptNumBuckets]), int(e.opts[ast.AnalyzeOptNumTopN]), col.ID, collectors[i], &col.FieldType) + topNs = append(topNs, topn) + } if err != nil { return nil, nil, nil, nil, err } diff --git a/executor/analyze_test.go b/executor/analyze_test.go index 0c26ef3de110c..f8fdf69f56be5 100644 --- a/executor/analyze_test.go +++ b/executor/analyze_test.go @@ -687,7 +687,7 @@ func (s *testSuite1) TestExtractTopN(c *C) { tblInfo := table.Meta() tblStats := s.dom.StatsHandle().GetTableStats(tblInfo) colStats := tblStats.Columns[tblInfo.Columns[1].ID] - c.Assert(len(colStats.TopN.TopN), Equals, 1) + c.Assert(len(colStats.TopN.TopN), Equals, 10) item := colStats.TopN.TopN[0] c.Assert(item.Count, Equals, uint64(11)) idxStats := tblStats.Indices[tblInfo.Indices[0].ID] @@ -696,6 +696,15 @@ func (s *testSuite1) TestExtractTopN(c *C) { c.Assert(idxItem.Count, Equals, uint64(11)) // The columns are: DBName, table name, column name, is index, value, count. tk.MustQuery("show stats_topn").Sort().Check(testkit.Rows("test t b 0 0 11", + "test t b 0 1 1", + "test t b 0 2 1", + "test t b 0 3 1", + "test t b 0 4 1", + "test t b 0 5 1", + "test t b 0 6 1", + "test t b 0 7 1", + "test t b 0 8 1", + "test t b 0 9 1", "test t index_b 1 0 11", "test t index_b 1 1 1", "test t index_b 1 2 1", diff --git a/executor/builder.go b/executor/builder.go index ff9d593645cc3..b9cf470980c10 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -2020,7 +2020,8 @@ func (b *executorBuilder) buildAnalyzeColumnsPushdown(task plannercore.AnalyzeCo Flags: sc.PushDownFlags(), TimeZoneOffset: offset, }, - opts: opts, + opts: opts, + analyzeVer: b.ctx.GetSessionVars().AnalyzeVersion, } depth := int32(opts[ast.AnalyzeOptCMSketchDepth]) width := int32(opts[ast.AnalyzeOptCMSketchWidth]) diff --git a/statistics/analyze_jobs.go b/statistics/analyze_jobs.go index ded4b7d66225d..18fe32c4e3d3a 100644 --- a/statistics/analyze_jobs.go +++ b/statistics/analyze_jobs.go @@ -92,6 +92,9 @@ func GetAllAnalyzeJobs() []*AnalyzeJob { // Start marks status of the analyze job as running and update the start time. func (job *AnalyzeJob) Start() { + if job == nil { + return + } job.Mutex.Lock() job.State = running now := time.Now() @@ -102,6 +105,9 @@ func (job *AnalyzeJob) Start() { // Update updates the row count of analyze job. func (job *AnalyzeJob) Update(rowCount int64) { + if job == nil { + return + } job.Mutex.Lock() job.RowCount += rowCount job.updateTime = time.Now() @@ -110,6 +116,9 @@ func (job *AnalyzeJob) Update(rowCount int64) { // Finish update the status of analyze job to finished or failed according to `meetError`. func (job *AnalyzeJob) Finish(meetError bool) { + if job == nil { + return + } job.Mutex.Lock() if meetError { job.State = failed @@ -121,6 +130,9 @@ func (job *AnalyzeJob) Finish(meetError bool) { } func (job *AnalyzeJob) getUpdateTime() time.Time { + if job == nil { + return time.Time{} + } job.Mutex.Lock() defer job.Mutex.Unlock() return job.updateTime diff --git a/statistics/builder.go b/statistics/builder.go index 45ae0a5678c3f..0c2182bc7c7af 100644 --- a/statistics/builder.go +++ b/statistics/builder.go @@ -14,10 +14,13 @@ package statistics import ( + "bytes" + "github.com/pingcap/errors" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/types" + "github.com/pingcap/tidb/util/codec" ) // SortedBuilder is used to build histograms for PK and index. @@ -116,26 +119,38 @@ func BuildColumnHist(ctx sessionctx.Context, numBuckets, id int64, collector *Sa } hg := NewHistogram(id, ndv, nullCount, 0, tp, int(numBuckets), collector.TotalSize) + corrXYSum, err := buildHist(sc, hg, samples, count, ndv, numBuckets) + if err != nil { + return nil, err + } + hg.Correlation = calcCorrelation(int64(len(samples)), corrXYSum) + return hg, nil +} + +// buildHist builds histogram from samples and other information. +// It stores the built histogram in hg and return corrXYSum used for calculating the correlation. +func buildHist(sc *stmtctx.StatementContext, hg *Histogram, samples []*SampleItem, count, ndv, numBuckets int64) (corrXYSum float64, err error) { sampleNum := int64(len(samples)) // As we use samples to build the histogram, the bucket number and repeat should multiply a factor. - sampleFactor := float64(count) / float64(len(samples)) + sampleFactor := float64(count) / float64(sampleNum) + ndvFactor := float64(count) / float64(ndv) + if ndvFactor > sampleFactor { + ndvFactor = sampleFactor + } // Since bucket count is increased by sampleFactor, so the actual max values per bucket is // floor(valuesPerBucket/sampleFactor)*sampleFactor, which may less than valuesPerBucket, // thus we need to add a sampleFactor to avoid building too many buckets. valuesPerBucket := float64(count)/float64(numBuckets) + sampleFactor - ndvFactor := float64(count) / float64(hg.NDV) - if ndvFactor > sampleFactor { - ndvFactor = sampleFactor - } + bucketIdx := 0 var lastCount int64 - var corrXYSum float64 + corrXYSum = float64(0) hg.AppendBucket(&samples[0].Value, &samples[0].Value, int64(sampleFactor), int64(ndvFactor)) for i := int64(1); i < sampleNum; i++ { corrXYSum += float64(i) * float64(samples[i].Ordinal) cmp, err := hg.GetUpper(bucketIdx).CompareDatum(sc, &samples[i].Value) if err != nil { - return nil, errors.Trace(err) + return 0, errors.Trace(err) } totalCount := float64(i+1) * sampleFactor if cmp == 0 { @@ -143,7 +158,7 @@ func BuildColumnHist(ctx sessionctx.Context, numBuckets, id int64, collector *Sa // a same value only stored in a single bucket, we do not increase bucketIdx even if it exceeds // valuesPerBucket. hg.Buckets[bucketIdx].Count = int64(totalCount) - if float64(hg.Buckets[bucketIdx].Repeat) == ndvFactor { + if hg.Buckets[bucketIdx].Repeat == int64(ndvFactor) { hg.Buckets[bucketIdx].Repeat = int64(2 * sampleFactor) } else { hg.Buckets[bucketIdx].Repeat += int64(sampleFactor) @@ -158,12 +173,15 @@ func BuildColumnHist(ctx sessionctx.Context, numBuckets, id int64, collector *Sa hg.AppendBucket(&samples[i].Value, &samples[i].Value, int64(totalCount), int64(ndvFactor)) } } - // Compute column order correlation with handle. + return corrXYSum, nil +} + +// calcCorrelation computes column order correlation with the handle. +func calcCorrelation(sampleNum int64, corrXYSum float64) float64 { if sampleNum == 1 { - hg.Correlation = 1 - return hg, nil + return 1 } - // X means the ordinal of the item in original sequence, Y means the oridnal of the item in the + // X means the ordinal of the item in original sequence, Y means the ordinal of the item in the // sorted sequence, we know that X and Y value sets are both: // 0, 1, ..., sampleNum-1 // we can simply compute sum(X) = sum(Y) = @@ -176,11 +194,144 @@ func BuildColumnHist(ctx sessionctx.Context, numBuckets, id int64, collector *Sa itemsCount := float64(sampleNum) corrXSum := (itemsCount - 1) * itemsCount / 2.0 corrX2Sum := (itemsCount - 1) * itemsCount * (2*itemsCount - 1) / 6.0 - hg.Correlation = (itemsCount*corrXYSum - corrXSum*corrXSum) / (itemsCount*corrX2Sum - corrXSum*corrXSum) - return hg, nil + return (itemsCount*corrXYSum - corrXSum*corrXSum) / (itemsCount*corrX2Sum - corrXSum*corrXSum) } // BuildColumn builds histogram from samples for column. func BuildColumn(ctx sessionctx.Context, numBuckets, id int64, collector *SampleCollector, tp *types.FieldType) (*Histogram, error) { return BuildColumnHist(ctx, numBuckets, id, collector, tp, collector.Count, collector.FMSketch.NDV(), collector.NullCount) } + +// BuildColumnHistAndTopN build a histogram and TopN for a column from samples. +func BuildColumnHistAndTopN(ctx sessionctx.Context, numBuckets, numTopN int, id int64, collector *SampleCollector, tp *types.FieldType) (*Histogram, *TopN, error) { + count := collector.Count + ndv := collector.FMSketch.NDV() + nullCount := collector.NullCount + if ndv > count { + ndv = count + } + if count == 0 || len(collector.Samples) == 0 { + return NewHistogram(id, ndv, nullCount, 0, tp, 0, collector.TotalSize), nil, nil + } + sc := ctx.GetSessionVars().StmtCtx + samples := collector.Samples + samples, err := SortSampleItems(sc, samples) + if err != nil { + return nil, nil, err + } + hg := NewHistogram(id, ndv, nullCount, 0, tp, numBuckets, collector.TotalSize) + + sampleNum := int64(len(samples)) + // As we use samples to build the histogram, the bucket number and repeat should multiply a factor. + sampleFactor := float64(count) / float64(len(samples)) + + // Step1: collect topn from samples + + // the topNList is always sorted by count from more to less + topNList := make([]TopNMeta, 0, numTopN) + cur, err := codec.EncodeKey(ctx.GetSessionVars().StmtCtx, nil, samples[0].Value) + if err != nil { + return nil, nil, errors.Trace(err) + } + curCnt := float64(0) + var corrXYSum float64 + + // Iterate through the samples + for i := int64(0); i < sampleNum; i++ { + corrXYSum += float64(i) * float64(samples[i].Ordinal) + + sampleBytes, err := codec.EncodeKey(ctx.GetSessionVars().StmtCtx, nil, samples[i].Value) + if err != nil { + return nil, nil, errors.Trace(err) + } + // case 1, this value is equal to the last one: current count++ + if bytes.Equal(cur, sampleBytes) { + curCnt += 1 + continue + } + // case 2, meet a different value: counting for the "current" is complete + // case 2-1, now topn is empty: append the "current" count directly + if len(topNList) == 0 { + topNList = append(topNList, TopNMeta{Encoded: cur, Count: uint64(curCnt)}) + cur, curCnt = sampleBytes, 1 + continue + } + // case 2-2, now topn is full, and the "current" count is less than the least count in the topn: no need to insert the "current" + if len(topNList) >= numTopN && uint64(curCnt) <= topNList[len(topNList)-1].Count { + cur, curCnt = sampleBytes, 1 + continue + } + // case 2-3, now topn is not full, or the "current" count is larger than the least count in the topn: need to find a slot to insert the "current" + j := len(topNList) + for ; j > 0; j-- { + if uint64(curCnt) < topNList[j-1].Count { + break + } + } + topNList = append(topNList, TopNMeta{}) + copy(topNList[j+1:], topNList[j:]) + topNList[j] = TopNMeta{Encoded: cur, Count: uint64(curCnt)} + if len(topNList) > numTopN { + topNList = topNList[:numTopN] + } + cur, curCnt = sampleBytes, 1 + } + + // Handle the counting for the last value. Basically equal to the case 2 above. + // now topn is empty: append the "current" count directly + if len(topNList) == 0 { + topNList = append(topNList, TopNMeta{Encoded: cur, Count: uint64(curCnt)}) + } else if len(topNList) < numTopN || uint64(curCnt) > topNList[len(topNList)-1].Count { + // now topn is not full, or the "current" count is larger than the least count in the topn: need to find a slot to insert the "current" + j := len(topNList) + for ; j > 0; j-- { + if uint64(curCnt) < topNList[j-1].Count { + break + } + } + topNList = append(topNList, TopNMeta{}) + copy(topNList[j+1:], topNList[j:]) + topNList[j] = TopNMeta{Encoded: cur, Count: uint64(curCnt)} + if len(topNList) > numTopN { + topNList = topNList[:numTopN] + } + } + + // Step2: exclude topn from samples + for i := int64(0); i < int64(len(samples)); i++ { + sampleBytes, err := codec.EncodeKey(ctx.GetSessionVars().StmtCtx, nil, samples[i].Value) + if err != nil { + return nil, nil, errors.Trace(err) + } + for j := 0; j < len(topNList); j++ { + if bytes.Equal(sampleBytes, topNList[j].Encoded) { + // find the same value in topn: need to skip over this value in samples + copy(samples[i:], samples[uint64(i)+topNList[j].Count:]) + samples = samples[:uint64(len(samples))-topNList[j].Count] + i-- + continue + } + } + } + + for i := 0; i < len(topNList); i++ { + topNList[i].Count *= uint64(sampleFactor) + } + topn := &TopN{TopN: topNList} + + if uint64(count) <= topn.TotalCount() || int(hg.NDV) <= len(topn.TopN) { + // TopN includes all sample data + return hg, topn, nil + } + + // Step3: build histogram with the rest samples + if len(samples) > 0 { + _, err = buildHist(sc, hg, samples, count-int64(topn.TotalCount()), ndv-int64(len(topn.TopN)), int64(numBuckets)) + if err != nil { + return nil, nil, err + } + } + + hg.Correlation = calcCorrelation(int64(len(samples)), corrXYSum) + return hg, topn, nil +} diff --git a/statistics/handle/dump.go b/statistics/handle/dump.go index 2040ad0752030..006a6d1dc2711 100644 --- a/statistics/handle/dump.go +++ b/statistics/handle/dump.go @@ -163,7 +163,7 @@ func (h *Handle) tableStatsToJSON(dbName string, tableInfo *model.TableInfo, phy if err != nil { return nil, errors.Trace(err) } - jsonTbl.Columns[col.Info.Name.L] = dumpJSONCol(hist, col.CMSketch, col.TopN, nil) + jsonTbl.Columns[col.Info.Name.L] = dumpJSONCol(hist, col.CMSketch, col.TopN, &col.StatsVer) } for _, idx := range tbl.Indices { @@ -208,7 +208,7 @@ func (h *Handle) loadStatsFromJSON(tableInfo *model.TableInfo, physicalID int64, } for _, col := range tbl.Columns { - err = h.SaveStatsToStorage(tbl.PhysicalID, tbl.Count, 0, &col.Histogram, col.CMSketch, col.TopN, 0, 1) + err = h.SaveStatsToStorage(tbl.PhysicalID, tbl.Count, 0, &col.Histogram, col.CMSketch, col.TopN, int(col.StatsVer), 1) if err != nil { return errors.Trace(err) } @@ -278,6 +278,12 @@ func TableStatsFromJSON(tableInfo *model.TableInfo, physicalID int64, jsonTbl *J } cm, topN := statistics.CMSketchAndTopNFromProto(jsonCol.CMSketch) hist.ID, hist.NullCount, hist.LastUpdateVersion, hist.TotColSize, hist.Correlation = colInfo.ID, jsonCol.NullCount, jsonCol.LastUpdateVersion, jsonCol.TotColSize, jsonCol.Correlation + // If the statistics is loaded from a JSON without stats version, + // we set it to 1. + statsVer := int64(statistics.Version1) + if jsonCol.StatsVer != nil { + statsVer = *jsonCol.StatsVer + } col := &statistics.Column{ PhysicalID: physicalID, Histogram: *hist, @@ -286,6 +292,7 @@ func TableStatsFromJSON(tableInfo *model.TableInfo, physicalID int64, jsonTbl *J Info: colInfo, Count: count, IsHandle: tableInfo.PKIsHandle && mysql.HasPriKeyFlag(colInfo.Flag), + StatsVer: statsVer, } tbl.Columns[col.ID] = col } diff --git a/statistics/handle/dump_test.go b/statistics/handle/dump_test.go index fc25c63d1f92d..d80294f03bf14 100644 --- a/statistics/handle/dump_test.go +++ b/statistics/handle/dump_test.go @@ -150,7 +150,7 @@ func (s *testStatsSuite) TestDumpCMSketchWithTopN(c *C) { cms, _, _, _ := statistics.NewCMSketchAndTopN(5, 2048, fakeData, 20, 100) stat := h.GetTableStats(tableInfo) - err = h.SaveStatsToStorage(tableInfo.ID, 1, 0, &stat.Columns[tableInfo.Columns[0].ID].Histogram, cms, nil, statistics.CurStatsVersion, 1) + err = h.SaveStatsToStorage(tableInfo.ID, 1, 0, &stat.Columns[tableInfo.Columns[0].ID].Histogram, cms, nil, statistics.Version2, 1) c.Assert(err, IsNil) c.Assert(h.Update(is), IsNil) diff --git a/statistics/handle/handle.go b/statistics/handle/handle.go index 09b634f4ea578..7d880464cc036 100644 --- a/statistics/handle/handle.go +++ b/statistics/handle/handle.go @@ -359,6 +359,14 @@ func (h *Handle) LoadNeededHistograms() (err error) { if err != nil { return errors.Trace(err) } + selSQL := fmt.Sprintf("select stats_ver from mysql.stats_histograms where is_index = 0 and table_id = %d and hist_id = %d", col.TableID, col.ColumnID) + rows, _, err := reader.read(selSQL) + if err != nil { + return errors.Trace(err) + } + if len(rows) == 0 { + logutil.BgLogger().Error("fail to get stats version for this histogram", zap.Int64("table_id", col.TableID), zap.Int64("hist_id", col.ColumnID)) + } tbl.Columns[c.ID] = &statistics.Column{ PhysicalID: col.TableID, Histogram: *hg, @@ -367,7 +375,9 @@ func (h *Handle) LoadNeededHistograms() (err error) { TopN: topN, Count: int64(hg.TotalRowCount()), IsHandle: c.IsHandle, + StatsVer: rows[0].GetInt64(0), } + tbl.Columns[c.ID].Count = int64(tbl.Columns[c.ID].TotalRowCount()) h.updateStatsCache(statsCache.update([]*statistics.Table{tbl}, nil, statsCache.version)) statistics.HistogramNeededColumns.Delete(col) } @@ -461,6 +471,7 @@ func (h *Handle) columnStatsFromStorage(reader *statsReader, row chunk.Row, tabl histVer := row.GetUint64(4) nullCount := row.GetInt64(5) totColSize := row.GetInt64(6) + statsVer := row.GetInt64(7) correlation := row.GetFloat64(9) lastAnalyzePos := row.GetDatum(10, types.NewFieldType(mysql.TypeBlob)) col := table.Columns[histID] @@ -486,7 +497,7 @@ func (h *Handle) columnStatsFromStorage(reader *statsReader, row chunk.Row, tabl (col == nil || col.Len() == 0 && col.LastUpdateVersion < histVer) && !loadAll if notNeedLoad { - count, err := h.columnCountFromStorage(reader, table.PhysicalID, histID) + count, err := h.columnCountFromStorage(reader, table.PhysicalID, histID, statsVer) if err != nil { return errors.Trace(err) } @@ -522,7 +533,9 @@ func (h *Handle) columnStatsFromStorage(reader *statsReader, row chunk.Row, tabl ErrorRate: errorRate, IsHandle: tableInfo.PKIsHandle && mysql.HasPriKeyFlag(colInfo.Flag), Flag: flag, + StatsVer: statsVer, } + col.Count = int64(col.TotalRowCount()) lastAnalyzePos.Copy(&col.LastAnalyzePos) break } @@ -766,8 +779,8 @@ func (h *Handle) histogramFromStorage(reader *statsReader, tableID int64, colID return hg, nil } -func (h *Handle) columnCountFromStorage(reader *statsReader, tableID, colID int64) (int64, error) { - selSQL := fmt.Sprintf("select sum(count) from mysql.stats_buckets where table_id = %d and is_index = %d and hist_id = %d", tableID, 0, colID) +func (h *Handle) columnCountFromStorage(reader *statsReader, tableID, colID, statsVer int64) (int64, error) { + selSQL := fmt.Sprintf("select sum(count) from mysql.stats_buckets where table_id = %d and is_index = 0 and hist_id = %d", tableID, colID) rows, _, err := reader.read(selSQL) if err != nil { return 0, errors.Trace(err) @@ -775,7 +788,28 @@ func (h *Handle) columnCountFromStorage(reader *statsReader, tableID, colID int6 if rows[0].IsNull(0) { return 0, nil } - return rows[0].GetMyDecimal(0).ToInt() + count, err := rows[0].GetMyDecimal(0).ToInt() + if err != nil { + return 0, errors.Trace(err) + } + if statsVer == statistics.Version2 { + // Before stats ver 2, histogram represents all data in this column. + // In stats ver 2, histogram + TopN represent all data in this column. + // So we need to add TopN total count here. + selSQL = fmt.Sprintf("select sum(count) from mysql.stats_top_n where table_id = %d and is_index = 0 and hist_id = %d", tableID, colID) + rows, _, err = reader.read(selSQL) + if err != nil { + return 0, errors.Trace(err) + } + if !rows[0].IsNull(0) { + topNCount, err := rows[0].GetMyDecimal(0).ToInt() + if err != nil { + return 0, errors.Trace(err) + } + count += topNCount + } + } + return count, err } func (h *Handle) statsMetaByTableIDFromStorage(tableID int64, historyStatsExec sqlexec.RestrictedSQLExecutor) (version uint64, modifyCount, count int64, err error) { diff --git a/statistics/histogram.go b/statistics/histogram.go index 1e1c6f8a87dae..070590c33fc0f 100644 --- a/statistics/histogram.go +++ b/statistics/histogram.go @@ -271,10 +271,20 @@ func HistogramEqual(a, b *Histogram, ignoreID bool) bool { // constants for stats version. These const can be used for solving compatibility issue. const ( - CurStatsVersion = Version2 - Version0 = 0 - Version1 = 1 - Version2 = 2 + Version0 = 0 + // In Version1 + // Column stats: CM Sketch is built in TiKV using full data. Histogram is built from samples. TopN is extracted from CM Sketch. + // TopN + CM Sketch represent all data. Histogram also represents all data. + // Index stats: CM Sketch and Histogram is built in TiKV using full data. TopN is extracted from histogram. Then values covered by TopN is removed from CM Sketch. + // TopN + CM Sketch represent all data. Histogram also represents all data. + // Int PK column stats is always Version1 because it only has histogram built from full data. + // Fast analyze is always Version1 currently. + Version1 = 1 + // In Version2 + // Column stats: CM Sketch is not used. TopN and Histogram are built from samples. TopN + Histogram represent all data. + // Index stats: CM SKetch is not used. TopN and Histograms are built in TiKV using full data. NDV is also collected for each bucket in histogram. + // Then values covered by TopN is removed from Histogram. TopN + Histogram represent all data. + Version2 = 2 ) // AnalyzeFlag is set when the statistics comes from analyze and has not been modified by feedback. @@ -434,6 +444,23 @@ func (hg *Histogram) BetweenRowCount(a, b types.Datum) float64 { return lessCountB - lessCountA } +// BetweenRowCount estimates the row count for interval [l, r). +func (c *Column) BetweenRowCount(sc *stmtctx.StatementContext, l, r types.Datum) (float64, error) { + histBetweenCnt := c.Histogram.BetweenRowCount(l, r) + if c.StatsVer <= Version1 { + return histBetweenCnt, nil + } + lBytes, err := codec.EncodeKey(sc, nil, l) + if err != nil { + return 0, errors.Trace(err) + } + rBytes, err := codec.EncodeKey(sc, nil, r) + if err != nil { + return 0, errors.Trace(err) + } + return float64(c.TopN.BetweenCount(lBytes, rBytes)) + histBetweenCnt, nil +} + // TotalRowCount returns the total count of this histogram. func (hg *Histogram) TotalRowCount() float64 { return hg.notNullCount() + float64(hg.NullCount) @@ -808,12 +835,38 @@ type Column struct { ErrorRate Flag int64 LastAnalyzePos types.Datum + StatsVer int64 // StatsVer is the version of the current stats, used to maintain compatibility } func (c *Column) String() string { return c.Histogram.ToString(0) } +// TotalRowCount returns the total count of this column. +func (c *Column) TotalRowCount() float64 { + if c.StatsVer == Version2 { + return c.Histogram.TotalRowCount() + float64(c.TopN.TotalCount()) + } + return c.Histogram.TotalRowCount() +} + +func (c *Column) notNullCount() float64 { + if c.StatsVer == Version2 { + return c.Histogram.notNullCount() + float64(c.TopN.TotalCount()) + } + return c.Histogram.notNullCount() +} + +// GetIncreaseFactor get the increase factor to adjust the final estimated count when the table is modified. +func (c *Column) GetIncreaseFactor(totalCount int64) float64 { + columnCount := c.TotalRowCount() + if columnCount == 0 { + // avoid dividing by 0 + return 1.0 + } + return float64(totalCount) / columnCount +} + // MemoryUsage returns the total memory usage of Histogram and CMSketch in Column. // We ignore the size of other metadata in Column func (c *Column) MemoryUsage() (sum int64) { @@ -834,29 +887,71 @@ func (c *Column) IsInvalid(sc *stmtctx.StatementContext, collPseudo bool) bool { if collPseudo && c.NotAccurate() { return true } - if c.NDV > 0 && c.Len() == 0 && sc != nil { + if c.NDV > 0 && c.notNullCount() == 0 && sc != nil { sc.SetHistogramsNotLoad() HistogramNeededColumns.insert(tableColumnID{TableID: c.PhysicalID, ColumnID: c.Info.ID}) } - return c.TotalRowCount() == 0 || (c.NDV > 0 && c.Len() == 0) + return c.TotalRowCount() == 0 || (c.NDV > 0 && c.notNullCount() == 0) } func (c *Column) equalRowCount(sc *stmtctx.StatementContext, val types.Datum, modifyCount int64) (float64, error) { if val.IsNull() { return float64(c.NullCount), nil } - // All the values are null. - if c.Histogram.Bounds.NumRows() == 0 { - return 0.0, nil + if c.StatsVer < Version2 { + // All the values are null. + if c.Histogram.Bounds.NumRows() == 0 { + return 0.0, nil + } + if c.NDV > 0 && c.outOfRange(val) { + return outOfRangeEQSelectivity(c.NDV, modifyCount, int64(c.TotalRowCount())) * c.TotalRowCount(), nil + } + if c.CMSketch != nil { + count, err := queryValue(sc, c.CMSketch, c.TopN, val) + return float64(count), errors.Trace(err) + } + return c.Histogram.equalRowCount(val), nil } - if c.NDV > 0 && c.outOfRange(val) { - return outOfRangeEQSelectivity(c.NDV, modifyCount, int64(c.TotalRowCount())) * c.TotalRowCount(), nil + // Stats version == 2 + // 1. try to find this value in TopN + if c.TopN != nil { + valBytes, err := codec.EncodeKey(sc, nil, val) + if err != nil { + return 0, errors.Trace(err) + } + rowcount, ok := c.QueryTopN(valBytes) + if ok { + return float64(rowcount), nil + } } - if c.CMSketch != nil { - count, err := queryValue(sc, c.CMSketch, c.TopN, val) - return float64(count), errors.Trace(err) + // 2. try to find this value in bucket.repeats(the last value in every bucket) + index, match := c.Histogram.Bounds.LowerBound(0, &val) + if index%2 == 1 && match { + return float64(c.Histogram.Buckets[index/2].Repeat), nil } - return c.Histogram.equalRowCount(val), nil + if match { + cmp := chunk.GetCompareFunc(c.Histogram.Tp) + if cmp(c.Histogram.Bounds.GetRow(index), 0, c.Histogram.Bounds.GetRow(index+1), 0) == 0 { + return float64(c.Histogram.Buckets[index/2].Repeat), nil + } + } + // 3. use uniform distribution assumption for the rest + cnt := c.Histogram.notNullCount() + for _, bkt := range c.Histogram.Buckets { + if cnt <= float64(bkt.Repeat) { + return 0, nil + } + cnt -= float64(bkt.Repeat) + } + topNLen := int64(0) + if c.TopN != nil { + topNLen = int64(len(c.TopN.TopN)) + } + ndv := c.NDV - topNLen - int64(len(c.Histogram.Buckets)) + if ndv <= 0 { + return 0, nil + } + return cnt / float64(ndv), nil } // GetColumnRowCount estimates the row count by a slice of Range. @@ -905,7 +1000,10 @@ func (c *Column) GetColumnRowCount(sc *stmtctx.StatementContext, ranges []*range continue } // The interval case. - cnt := c.BetweenRowCount(lowVal, highVal) + cnt, err := c.BetweenRowCount(sc, lowVal, highVal) + if err != nil { + return 0, err + } if (c.outOfRange(lowVal) && !lowVal.IsNull()) || c.outOfRange(highVal) { cnt += outOfRangeEQSelectivity(outOfRangeBetweenRate, modifyCount, int64(c.TotalRowCount())) * c.TotalRowCount() } diff --git a/statistics/statistics_test.go b/statistics/statistics_test.go index 326fae923a078..d7d6aa6bb2226 100644 --- a/statistics/statistics_test.go +++ b/statistics/statistics_test.go @@ -242,6 +242,7 @@ func checkRepeats(c *C, hg *Histogram) { func (s *testStatisticsSuite) TestBuild(c *C) { bucketCount := int64(256) + topNCount := 20 ctx := mock.NewContext() sc := ctx.GetSessionVars().StmtCtx sketch, _, err := buildFMSketch(sc, s.rc.(*recordSet).data, 1000) @@ -275,7 +276,30 @@ func (s *testStatisticsSuite) TestBuild(c *C) { count = col.BetweenRowCount(types.NewIntDatum(3000), types.NewIntDatum(3500)) c.Check(int(count), Equals, 4994) count = col.lessRowCount(types.NewIntDatum(1)) - c.Check(int(count), Equals, 9) + c.Check(int(count), Equals, 5) + + colv2, topnv2, err := BuildColumnHistAndTopN(ctx, int(bucketCount), topNCount, 2, collector, types.NewFieldType(mysql.TypeLonglong)) + c.Check(err, IsNil) + c.Check(topnv2.TopN, NotNil) + expectedTopNCount := []uint64{9990, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30} + for i, meta := range topnv2.TopN { + c.Check(meta.Count, Equals, expectedTopNCount[i]) + } + c.Check(colv2.Len(), Equals, 256) + count = colv2.lessRowCount(types.NewIntDatum(1000)) + c.Check(int(count), Equals, 325) + count = colv2.lessRowCount(types.NewIntDatum(2000)) + c.Check(int(count), Equals, 9430) + count = colv2.greaterRowCount(types.NewIntDatum(2000)) + c.Check(int(count), Equals, 80008) + count = colv2.lessRowCount(types.NewIntDatum(200000000)) + c.Check(int(count), Equals, 89440) + count = colv2.greaterRowCount(types.NewIntDatum(200000000)) + c.Check(count, Equals, 0.0) + count = colv2.BetweenRowCount(types.NewIntDatum(3000), types.NewIntDatum(3500)) + c.Check(int(count), Equals, 4995) + count = colv2.lessRowCount(types.NewIntDatum(1)) + c.Check(int(count), Equals, 0) builder := SampleBuilder{ Sc: mock.NewContext().GetSessionVars().StmtCtx, diff --git a/statistics/table.go b/statistics/table.go index 69694e5c5a3a1..42d82016b478e 100644 --- a/statistics/table.go +++ b/statistics/table.go @@ -271,7 +271,10 @@ func (t *Table) ColumnBetweenRowCount(sc *stmtctx.StatementContext, a, b types.D if !ok || c.IsInvalid(sc, t.Pseudo) { return float64(t.Count) / pseudoBetweenRate } - count := c.BetweenRowCount(a, b) + count, err := c.BetweenRowCount(sc, a, b) + if err != nil { + return 0 + } if a.IsNull() { count += float64(c.NullCount) } From be29d7e054adb78344add01a7e112814e3ffbcfe Mon Sep 17 00:00:00 2001 From: Arenatlx <314806019@qq.com> Date: Thu, 24 Dec 2020 15:43:30 +0800 Subject: [PATCH 0563/1021] ddl: fix db_test failure caused by domain reload delay under a high overload (#21928) Signed-off-by: AilinKid <314806019@qq.com> --- ddl/callback.go | 9 ++++++++- ddl/callback_test.go | 15 +++++++++++++++ ddl/db_change_test.go | 8 +------- ddl/db_test.go | 4 +--- ddl/ddl.go | 14 ++++++++++++-- ddl/ddl_worker.go | 7 +++++++ domain/domain.go | 9 +++++++++ 7 files changed, 53 insertions(+), 13 deletions(-) diff --git a/ddl/callback.go b/ddl/callback.go index af2b4856e8c1d..758740527f0bc 100644 --- a/ddl/callback.go +++ b/ddl/callback.go @@ -37,8 +37,10 @@ func (bi *BaseInterceptor) OnGetInfoSchema(ctx sessionctx.Context, is infoschema // Callback is used for DDL. type Callback interface { - // OnChanged is called after schema is changed. + // OnChanged is called after a ddl statement is finished. OnChanged(err error) error + // OnSchemaStateChange is called after a schema state is changed. + OnSchemaStateChanged() // OnJobRunBefore is called before running job. OnJobRunBefore(job *model.Job) // OnJobUpdated is called after the running job is updated. @@ -56,6 +58,11 @@ func (c *BaseCallback) OnChanged(err error) error { return err } +// OnSchemaStateChanged implements Callback interface. +func (c *BaseCallback) OnSchemaStateChanged() { + // Nothing to do. +} + // OnJobRunBefore implements Callback.OnJobRunBefore interface. func (c *BaseCallback) OnJobRunBefore(job *model.Job) { // Nothing to do. diff --git a/ddl/callback_test.go b/ddl/callback_test.go index 7f01cb626d62c..80ec643de54e3 100644 --- a/ddl/callback_test.go +++ b/ddl/callback_test.go @@ -40,6 +40,9 @@ func (ti *TestInterceptor) OnGetInfoSchema(ctx sessionctx.Context, is infoschema type TestDDLCallback struct { *BaseCallback + // We recommended to pass the domain parameter to the test ddl callback, it will ensure + // domain to reload schema before your ddl stepping into the next state change. + Do DomainReloader onJobRunBefore func(*model.Job) OnJobRunBeforeExported func(*model.Job) @@ -48,6 +51,14 @@ type TestDDLCallback struct { onWatched func(ctx context.Context) } +func (tc *TestDDLCallback) OnSchemaStateChanged() { + if tc.Do != nil { + if err := tc.Do.Reload(); err != nil { + log.Warn("reload failed on schema state changed", zap.Error(err)) + } + } +} + func (tc *TestDDLCallback) OnJobRunBefore(job *model.Job) { log.Info("on job run before", zap.String("job", job.String())) if tc.OnJobRunBeforeExported != nil { @@ -92,3 +103,7 @@ func (s *testDDLSuite) TestCallback(c *C) { cb.OnJobUpdated(nil) cb.OnWatched(context.TODO()) } + +type DomainReloader interface { + Reload() error +} diff --git a/ddl/db_change_test.go b/ddl/db_change_test.go index ca39c4ff462af..d87fc6406d26f 100644 --- a/ddl/db_change_test.go +++ b/ddl/db_change_test.go @@ -67,11 +67,6 @@ type testStateChangeSuiteBase struct { preSQL string } -func forceReloadDomain(sess session.Session) { - dom := domain.GetDomain(sess) - dom.Reload() -} - func (s *testStateChangeSuiteBase) SetUpSuite(c *C) { s.lease = 200 * time.Millisecond ddl.SetWaitTimeWhenErrorOccurred(1 * time.Microsecond) @@ -822,7 +817,7 @@ func (s *testStateChangeSuiteBase) runTestInSchemaState(c *C, state model.Schema _, err = s.se.Execute(context.Background(), "drop stats t") c.Assert(err, IsNil) - callback := &ddl.TestDDLCallback{} + callback := &ddl.TestDDLCallback{Do: s.dom} prevState := model.StateNone var checkErr error times := 0 @@ -838,7 +833,6 @@ func (s *testStateChangeSuiteBase) runTestInSchemaState(c *C, state model.Schema if job.SchemaState != state { return } - forceReloadDomain(se) for _, sqlWithErr := range sqlWithErrs { _, err = se.Execute(context.Background(), sqlWithErr.sql) if !terror.ErrorEqual(err, sqlWithErr.expectErr) { diff --git a/ddl/db_test.go b/ddl/db_test.go index a7cdf60b79ce5..6d7fab25f5985 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -2079,7 +2079,6 @@ LOOP: case <-ticker.C: // delete some rows, and add some data for i := num; i < num+step; i++ { - forceReloadDomain(tk.Se) n := rand.Intn(num) tk.MustExec("begin") tk.MustExec("delete from t2 where c1 = ?", n) @@ -4217,7 +4216,7 @@ func (s *testDBSuite2) TestTransactionOnAddDropColumn(c *C) { originHook := s.dom.DDL().GetHook() defer s.dom.DDL().(ddl.DDLForTest).SetHook(originHook) - hook := &ddl.TestDDLCallback{} + hook := &ddl.TestDDLCallback{Do: s.dom} var checkErr error hook.OnJobRunBeforeExported = func(job *model.Job) { if checkErr != nil { @@ -4718,7 +4717,6 @@ func (s *testSerialDBSuite) TestModifyColumnCharset(c *C) { tk.MustExec("create table t_mcc(a varchar(8) charset utf8, b varchar(8) charset utf8)") defer s.mustExec(tk, c, "drop table t_mcc;") - forceReloadDomain(tk.Se) result := tk.MustQuery(`show create table t_mcc`) result.Check(testkit.Rows( "t_mcc CREATE TABLE `t_mcc` (\n" + diff --git a/ddl/ddl.go b/ddl/ddl.go index 0e51aede2b970..0a9266802a898 100644 --- a/ddl/ddl.go +++ b/ddl/ddl.go @@ -19,6 +19,7 @@ package ddl import ( "context" + "flag" "fmt" "sync" "time" @@ -394,9 +395,7 @@ func (d *ddl) close() { // GetLease implements DDL.GetLease interface. func (d *ddl) GetLease() time.Duration { - d.m.RLock() lease := d.lease - d.m.RUnlock() return lease } @@ -667,3 +666,14 @@ type RecoverInfo struct { CurAutoIncID int64 CurAutoRandID int64 } + +var ( + // RunInGoTest is used to identify whether ddl in running in the test. + RunInGoTest bool +) + +func init() { + if flag.Lookup("test.v") != nil || flag.Lookup("check.v") != nil { + RunInGoTest = true + } +} diff --git a/ddl/ddl_worker.go b/ddl/ddl_worker.go index 5723d2bfd6d69..4719d5b7c35e7 100644 --- a/ddl/ddl_worker.go +++ b/ddl/ddl_worker.go @@ -516,6 +516,13 @@ func (w *worker) handleDDLJobQueue(d *ddlCtx) error { w.waitSchemaChanged(ctx, d, waitTime, schemaVer, job) cancel() + if RunInGoTest { + // d.mu.hook is initialed from domain / test callback, which will force the owner host update schema diff synchronously. + d.mu.RLock() + d.mu.hook.OnSchemaStateChanged() + d.mu.RUnlock() + } + d.mu.RLock() d.mu.hook.OnJobUpdated(job) d.mu.RUnlock() diff --git a/domain/domain.go b/domain/domain.go index e1fd6c7a89b41..dd60effb3cbaa 100644 --- a/domain/domain.go +++ b/domain/domain.go @@ -653,6 +653,7 @@ type ddlCallback struct { do *Domain } +// OnChanged overrides ddl Callback interface. func (c *ddlCallback) OnChanged(err error) error { if err != nil { return err @@ -667,6 +668,14 @@ func (c *ddlCallback) OnChanged(err error) error { return nil } +// OnSchemaStateChange overrides the ddl Callback interface. +func (c *ddlCallback) OnSchemaStateChanged() { + err := c.do.Reload() + if err != nil { + logutil.BgLogger().Error("domain callback failed on schema state changed", zap.Error(err)) + } +} + const resourceIdleTimeout = 3 * time.Minute // resources in the ResourcePool will be recycled after idleTimeout // NewDomain creates a new domain. Should not create multiple domains for the same store. From 38792204f961622ecfacd6c6aee711bbebf2d07b Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Thu, 24 Dec 2020 16:09:30 +0800 Subject: [PATCH 0564/1021] executor, session, sessionctx: make last_plan_from_cache and last_plan_from_binding read-only (#21953) --- executor/set.go | 8 -------- session/session_test.go | 9 +++++++++ sessionctx/variable/sysvar.go | 4 ++-- sessionctx/variable/varsutil_test.go | 12 ++---------- 4 files changed, 13 insertions(+), 20 deletions(-) diff --git a/executor/set.go b/executor/set.go index f1944bc1e69db..503871fbe4a55 100644 --- a/executor/set.go +++ b/executor/set.go @@ -180,14 +180,6 @@ func (e *SetExecutor) setSysVariable(name string, v *expression.VarAssignment) e if name == variable.TxnIsolationOneShot && sessionVars.InTxn() { return errors.Trace(ErrCantChangeTxCharacteristics) } - if name == variable.TiDBFoundInPlanCache { - sessionVars.StmtCtx.AppendWarning(fmt.Errorf("Set operation for '%s' will not take effect", variable.TiDBFoundInPlanCache)) - return nil - } - if name == variable.TiDBFoundInBinding { - sessionVars.StmtCtx.AppendWarning(fmt.Errorf("Set operation for '%s' will not take effect", variable.TiDBFoundInBinding)) - return nil - } err = variable.SetSessionSystemVar(sessionVars, name, value) if err != nil { return err diff --git a/session/session_test.go b/session/session_test.go index 811a3f6f11919..4fcf91414c187 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -3810,3 +3810,12 @@ func (s *testSessionSerialSuite) TestIssue21944(c *C) { _, err := tk1.Exec("set @@tidb_current_ts=1;") c.Assert(err.Error(), Equals, "[variable:1238]Variable 'tidb_current_ts' is a read only variable") } + +func (s *testSessionSerialSuite) TestIssue21943(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + _, err := tk.Exec("set @@last_plan_from_binding='123';") + c.Assert(err.Error(), Equals, "[variable:1238]Variable 'last_plan_from_binding' is a read only variable") + + _, err = tk.Exec("set @@last_plan_from_cache='123';") + c.Assert(err.Error(), Equals, "[variable:1238]Variable 'last_plan_from_cache' is a read only variable") +} diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 7b65bb3d06867..eb57e10f8b4e1 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -1131,8 +1131,8 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TiDBEnableSlowLog, Value: BoolToOnOff(logutil.DefaultTiDBEnableSlowLog), Type: TypeBool}, {Scope: ScopeSession, Name: TiDBQueryLogMaxLen, Value: strconv.Itoa(logutil.DefaultQueryLogMaxLen), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TiDBCheckMb4ValueInUTF8, Value: BoolToOnOff(config.GetGlobalConfig().CheckMb4ValueInUTF8), Type: TypeBool}, - {Scope: ScopeSession, Name: TiDBFoundInPlanCache, Value: BoolToOnOff(DefTiDBFoundInPlanCache), Type: TypeBool}, - {Scope: ScopeSession, Name: TiDBFoundInBinding, Value: BoolToOnOff(DefTiDBFoundInBinding), Type: TypeBool}, + {Scope: ScopeSession, Name: TiDBFoundInPlanCache, Value: BoolToOnOff(DefTiDBFoundInPlanCache), Type: TypeBool, ReadOnly: true}, + {Scope: ScopeSession, Name: TiDBFoundInBinding, Value: BoolToOnOff(DefTiDBFoundInBinding), Type: TypeBool, ReadOnly: true}, {Scope: ScopeSession, Name: TiDBEnableCollectExecutionInfo, Value: BoolToOnOff(DefTiDBEnableCollectExecutionInfo), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowAutoRandExplicitInsert, Value: BoolToOnOff(DefTiDBAllowAutoRandExplicitInsert), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableClusteredIndex, Value: BoolToOnOff(DefTiDBEnableClusteredIndex), Type: TypeBool}, diff --git a/sessionctx/variable/varsutil_test.go b/sessionctx/variable/varsutil_test.go index f8e49d6f2ff67..c5b56363c3338 100644 --- a/sessionctx/variable/varsutil_test.go +++ b/sessionctx/variable/varsutil_test.go @@ -466,18 +466,10 @@ func (s *testVarsutilSuite) TestVarsutil(c *C) { c.Assert(err, ErrorMatches, ".*Incorrect argument type to variable 'tidb_stmt_summary_max_sql_length'") err = SetSessionSystemVar(v, TiDBFoundInPlanCache, types.NewStringDatum("1")) - c.Assert(err, IsNil) - val, err = GetSessionSystemVar(v, TiDBFoundInPlanCache) - c.Assert(err, IsNil) - c.Assert(val, Equals, "OFF") - c.Assert(v.systems[TiDBFoundInPlanCache], Equals, "ON") + c.Assert(err, ErrorMatches, ".*]Variable 'last_plan_from_cache' is a read only variable") err = SetSessionSystemVar(v, TiDBFoundInBinding, types.NewStringDatum("1")) - c.Assert(err, IsNil) - val, err = GetSessionSystemVar(v, TiDBFoundInBinding) - c.Assert(err, IsNil) - c.Assert(val, Equals, "OFF") - c.Assert(v.systems[TiDBFoundInBinding], Equals, "ON") + c.Assert(err, ErrorMatches, ".*]Variable 'last_plan_from_binding' is a read only variable") err = SetSessionSystemVar(v, TiDBEnableChangeColumnType, types.NewStringDatum("ON")) c.Assert(err, IsNil) From db31b29d630286ced7b8f140a40e6d50e9a111d3 Mon Sep 17 00:00:00 2001 From: Chengpeng Yan <41809508+Reminiscent@users.noreply.github.com> Date: Thu, 24 Dec 2020 16:25:44 +0800 Subject: [PATCH 0565/1021] ddl: add the `not` expression check when creating a partition table (#21497) --- ddl/db_partition_test.go | 16 +++++++++++++ ddl/partition.go | 45 +++++++++++------------------------ expression/function_traits.go | 45 +++++++++++++++++++++++++++++++++++ 3 files changed, 75 insertions(+), 31 deletions(-) diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index 0b8e4adbba08b..895d81b8b2cb7 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -505,6 +505,22 @@ create table log_message_1 ( "partition p1 values less than ('G'));", ddl.ErrRangeNotIncreasing, }, + { + "CREATE TABLE t1(c0 INT) PARTITION BY HASH((NOT c0)) PARTITIONS 2;", + ddl.ErrPartitionFunctionIsNotAllowed, + }, + { + "CREATE TABLE t1(c0 INT) PARTITION BY HASH((!c0)) PARTITIONS 2;", + ddl.ErrPartitionFunctionIsNotAllowed, + }, + { + "CREATE TABLE t1(c0 INT) PARTITION BY LIST((NOT c0)) (partition p0 values in (0), partition p1 values in (1));", + ddl.ErrPartitionFunctionIsNotAllowed, + }, + { + "CREATE TABLE t1(c0 INT) PARTITION BY LIST((!c0)) (partition p0 values in (0), partition p1 values in (1));", + ddl.ErrPartitionFunctionIsNotAllowed, + }, } for i, t := range cases { _, err := tk.Exec(t.sql) diff --git a/ddl/partition.go b/ddl/partition.go index f047d1daf8456..2ac0e41e00412 100644 --- a/ddl/partition.go +++ b/ddl/partition.go @@ -30,7 +30,6 @@ import ( "github.com/pingcap/parser/format" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" - "github.com/pingcap/parser/opcode" "github.com/pingcap/tidb/ddl/placement" "github.com/pingcap/tidb/ddl/util" "github.com/pingcap/tidb/domain/infosync" @@ -43,6 +42,7 @@ import ( "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" + driver "github.com/pingcap/tidb/types/parser_driver" tidbutil "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/collate" @@ -384,7 +384,7 @@ func buildHashPartitionDefinitions(_ sessionctx.Context, defs []*ast.PartitionDe func buildListPartitionDefinitions(ctx sessionctx.Context, defs []*ast.PartitionDefinition, tbInfo *model.TableInfo) ([]model.PartitionDefinition, error) { definitions := make([]model.PartitionDefinition, 0, len(defs)) - exprChecker := newPartitionExprChecker(ctx, nil, checkPartitionExprAllowed, checkPartitionExprFuncAllowed) + exprChecker := newPartitionExprChecker(ctx, nil, checkPartitionExprAllowed) for _, def := range defs { if err := def.Clause.Validate(model.PartitionTypeList, len(tbInfo.Partition.Columns)); err != nil { return nil, err @@ -448,7 +448,7 @@ func collectColumnsType(tbInfo *model.TableInfo) []types.FieldType { func buildRangePartitionDefinitions(ctx sessionctx.Context, defs []*ast.PartitionDefinition, tbInfo *model.TableInfo) ([]model.PartitionDefinition, error) { definitions := make([]model.PartitionDefinition, 0, len(defs)) - exprChecker := newPartitionExprChecker(ctx, nil, checkPartitionExprAllowed, checkPartitionExprFuncAllowed) + exprChecker := newPartitionExprChecker(ctx, nil, checkPartitionExprAllowed) for _, def := range defs { if err := def.Clause.Validate(model.PartitionTypeRange, len(tbInfo.Partition.Columns)); err != nil { return nil, err @@ -595,7 +595,7 @@ func checkPartitionFuncValid(ctx sessionctx.Context, tblInfo *model.TableInfo, e if expr == nil { return nil } - exprChecker := newPartitionExprChecker(ctx, tblInfo, checkPartitionExprArgs, checkPartitionExprAllowed, checkPartitionExprFuncAllowed) + exprChecker := newPartitionExprChecker(ctx, tblInfo, checkPartitionExprArgs, checkPartitionExprAllowed) expr.Accept(exprChecker) if exprChecker.err != nil { return errors.Trace(exprChecker.err) @@ -1707,37 +1707,20 @@ func (p *partitionExprChecker) extractColumns(_ sessionctx.Context, _ *model.Tab func checkPartitionExprAllowed(_ sessionctx.Context, _ *model.TableInfo, e ast.ExprNode) error { switch v := e.(type) { - case *ast.FuncCastExpr, *ast.CaseExpr, *ast.SubqueryExpr, *ast.WindowFuncExpr, *ast.RowExpr, *ast.DefaultExpr, *ast.ValuesExpr, - *ast.SetCollationExpr: - return errors.Trace(ErrPartitionFunctionIsNotAllowed) + case *ast.FuncCallExpr: + if _, ok := expression.AllowedPartitionFuncMap[v.FnName.L]; ok { + return nil + } case *ast.BinaryOperationExpr: - // The DIV operator (opcode.IntDiv) is also supported; the / operator ( opcode.Div ) is not permitted. - // see https://dev.mysql.com/doc/refman/5.7/en/partitioning-limitations.html - switch v.Op { - case opcode.Or, opcode.And, opcode.Xor, opcode.LeftShift, opcode.RightShift, opcode.BitNeg, opcode.Div: - return errors.Trace(ErrPartitionFunctionIsNotAllowed) + if _, ok := expression.AllowedPartition4BinaryOpMap[v.Op]; ok { + return nil } case *ast.UnaryOperationExpr: - if v.Op == opcode.BitNeg { - return errors.Trace(ErrPartitionFunctionIsNotAllowed) + if _, ok := expression.AllowedPartition4UnaryOpMap[v.Op]; ok { + return nil } - } - return nil -} - -func checkPartitionExprFuncAllowed(_ sessionctx.Context, _ *model.TableInfo, e ast.ExprNode) error { - expr, ok := e.(*ast.FuncCallExpr) - if !ok { - return nil - } - allowedFuncMap := map[string]struct{}{ - ast.ToDays: {}, ast.ToSeconds: {}, ast.DayOfMonth: {}, ast.Month: {}, ast.DayOfYear: {}, - ast.Quarter: {}, ast.YearWeek: {}, ast.Year: {}, ast.Weekday: {}, ast.DayOfWeek: {}, ast.Day: {}, - ast.Hour: {}, ast.Minute: {}, ast.Second: {}, ast.TimeToSec: {}, ast.MicroSecond: {}, - ast.UnixTimestamp: {}, ast.FromDays: {}, ast.Extract: {}, ast.Abs: {}, ast.Ceiling: {}, - ast.DateDiff: {}, ast.Floor: {}, ast.Mod: {}, - } - if _, ok := allowedFuncMap[expr.FnName.L]; ok { + case *ast.ColumnNameExpr, *ast.ParenthesesExpr, *driver.ValueExpr, *ast.MaxValueExpr, + *ast.TimeUnitExpr: return nil } return errors.Trace(ErrPartitionFunctionIsNotAllowed) diff --git a/expression/function_traits.go b/expression/function_traits.go index d0d9d62910be1..7bf2730a6f360 100644 --- a/expression/function_traits.go +++ b/expression/function_traits.go @@ -15,6 +15,7 @@ package expression import ( "github.com/pingcap/parser/ast" + "github.com/pingcap/parser/opcode" ) // UnCacheableFunctions stores functions which can not be cached to plan cache. @@ -133,6 +134,50 @@ var DeferredFunctions = map[string]struct{}{ ast.UTCDate: {}, } +// AllowedPartitionFuncMap stores functions which can be used in the partition expression. +var AllowedPartitionFuncMap = map[string]struct{}{ + ast.ToDays: {}, + ast.ToSeconds: {}, + ast.DayOfMonth: {}, + ast.Month: {}, + ast.DayOfYear: {}, + ast.Quarter: {}, + ast.YearWeek: {}, + ast.Year: {}, + ast.Weekday: {}, + ast.DayOfWeek: {}, + ast.Day: {}, + ast.Hour: {}, + ast.Minute: {}, + ast.Second: {}, + ast.TimeToSec: {}, + ast.MicroSecond: {}, + ast.UnixTimestamp: {}, + ast.FromDays: {}, + ast.Extract: {}, + ast.Abs: {}, + ast.Ceiling: {}, + ast.DateDiff: {}, + ast.Floor: {}, + ast.Mod: {}, +} + +// AllowedPartition4BinaryOpMap store the operator for Binary Expr +// See https://dev.mysql.com/doc/refman/5.7/en/partitioning-limitations.html for more details +var AllowedPartition4BinaryOpMap = map[opcode.Op]struct{}{ + opcode.Plus: {}, + opcode.Minus: {}, + opcode.Mul: {}, + opcode.IntDiv: {}, + opcode.Mod: {}, +} + +// AllowedPartition4UnaryOpMap store the operator for Unary Expr +var AllowedPartition4UnaryOpMap = map[opcode.Op]struct{}{ + opcode.Plus: {}, + opcode.Minus: {}, +} + // inequalFunctions stores functions which cannot be propagated from column equal condition. var inequalFunctions = map[string]struct{}{ ast.IsNull: {}, From 9c5f1bd083a4bc72dd61397dac6dfbf9e85e2ec4 Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Thu, 24 Dec 2020 17:12:59 +0800 Subject: [PATCH 0566/1021] executor: fix unstable test Issue16696 (#22009) --- util/disk/tempDir_test.go | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/util/disk/tempDir_test.go b/util/disk/tempDir_test.go index 5df72c9caabc5..019f122f22da8 100644 --- a/util/disk/tempDir_test.go +++ b/util/disk/tempDir_test.go @@ -14,6 +14,7 @@ package disk import ( + "io/ioutil" "os" "sync" "testing" @@ -23,6 +24,12 @@ import ( ) func TestT(t *testing.T) { + path, _ := ioutil.TempDir("", "tmp-storage-disk-pkg") + config.UpdateGlobal(func(conf *config.Config) { + conf.TempStoragePath = path + }) + _ = os.RemoveAll(path) // clean the uncleared temp file during the last run. + _ = os.MkdirAll(path, 0755) check.TestingT(t) } From 1db18807f2ea90813bc3d3ee5e87126bbe5c0f74 Mon Sep 17 00:00:00 2001 From: Song Gao Date: Thu, 24 Dec 2020 18:17:29 +0800 Subject: [PATCH 0567/1021] oracle: support txnScope for GetStaleTimestamp (#21967) --- store/mockoracle/oracle.go | 2 +- store/tikv/oracle/oracle.go | 2 +- store/tikv/oracle/oracles/export_test.go | 7 +-- store/tikv/oracle/oracles/local.go | 2 +- store/tikv/oracle/oracles/pd.go | 69 +++++++++++++++--------- store/tikv/oracle/oracles/pd_test.go | 8 ++- 6 files changed, 54 insertions(+), 36 deletions(-) diff --git a/store/mockoracle/oracle.go b/store/mockoracle/oracle.go index 840123b29c30e..f3f12622759e1 100644 --- a/store/mockoracle/oracle.go +++ b/store/mockoracle/oracle.go @@ -72,7 +72,7 @@ func (o *MockOracle) GetTimestamp(ctx context.Context, _ *oracle.Option) (uint64 } // GetStaleTimestamp implements oracle.Oracle interface. -func (o *MockOracle) GetStaleTimestamp(ctx context.Context, prevSecond uint64) (ts uint64, err error) { +func (o *MockOracle) GetStaleTimestamp(ctx context.Context, txnScope string, prevSecond uint64) (ts uint64, err error) { physical := oracle.GetPhysical(time.Now().Add(-time.Second * time.Duration(prevSecond))) ts = oracle.ComposeTS(physical, 0) return ts, nil diff --git a/store/tikv/oracle/oracle.go b/store/tikv/oracle/oracle.go index c9e5f549ae549..dff1c01f62afd 100644 --- a/store/tikv/oracle/oracle.go +++ b/store/tikv/oracle/oracle.go @@ -33,7 +33,7 @@ type Oracle interface { GetTimestampAsync(ctx context.Context, opt *Option) Future GetLowResolutionTimestamp(ctx context.Context, opt *Option) (uint64, error) GetLowResolutionTimestampAsync(ctx context.Context, opt *Option) Future - GetStaleTimestamp(ctx context.Context, prevSecond uint64) (uint64, error) + GetStaleTimestamp(ctx context.Context, txnScope string, prevSecond uint64) (uint64, error) IsExpired(lockTimestamp, TTL uint64, opt *Option) bool UntilExpired(lockTimeStamp, TTL uint64, opt *Option) int64 Close() diff --git a/store/tikv/oracle/oracles/export_test.go b/store/tikv/oracle/oracles/export_test.go index 8e459de0d5ded..baee7bf80a04d 100644 --- a/store/tikv/oracle/oracles/export_test.go +++ b/store/tikv/oracle/oracles/export_test.go @@ -54,12 +54,13 @@ func SetEmptyPDOracleLastTs(oc oracle.Oracle, ts uint64) { lastTSPointer := lastTSInterface.(*uint64) atomic.StoreUint64(lastTSPointer, ts) } + setEmptyPDOracleLastArrivalTs(oc, ts) } -// SetEmptyPDOracleLastTs exports PD oracle's global last ts to test. -func SetEmptyPDOracleLastArrivalTs(oc oracle.Oracle, ts uint64) { +// setEmptyPDOracleLastArrivalTs exports PD oracle's global last ts to test. +func setEmptyPDOracleLastArrivalTs(oc oracle.Oracle, ts uint64) { switch o := oc.(type) { case *pdOracle: - o.setLastArrivalTS(ts) + o.setLastArrivalTS(ts, oracle.GlobalTxnScope) } } diff --git a/store/tikv/oracle/oracles/local.go b/store/tikv/oracle/oracles/local.go index 9c0ef4fa75f8a..4fcd7cbc51d78 100644 --- a/store/tikv/oracle/oracles/local.go +++ b/store/tikv/oracle/oracles/local.go @@ -79,7 +79,7 @@ func (l *localOracle) GetLowResolutionTimestampAsync(ctx context.Context, opt *o } // GetStaleTimestamp return physical -func (l *localOracle) GetStaleTimestamp(ctx context.Context, prevSecond uint64) (ts uint64, err error) { +func (l *localOracle) GetStaleTimestamp(ctx context.Context, txnScope string, prevSecond uint64) (ts uint64, err error) { physical := oracle.GetPhysical(time.Now().Add(-time.Second * time.Duration(prevSecond))) ts = oracle.ComposeTS(physical, 0) return ts, nil diff --git a/store/tikv/oracle/oracles/pd.go b/store/tikv/oracle/oracles/pd.go index 717dda143eae6..ac0e3c775aa0c 100644 --- a/store/tikv/oracle/oracles/pd.go +++ b/store/tikv/oracle/oracles/pd.go @@ -35,9 +35,10 @@ const slowDist = 30 * time.Millisecond type pdOracle struct { c pd.Client // txn_scope (string) -> lastTSPointer (*uint64) - lastTSMap sync.Map - lastArrivalTS uint64 - quit chan struct{} + lastTSMap sync.Map + // txn_scope (string) -> lastArrivalTSPointer (*uint64) + lastArrivalTSMap sync.Map + quit chan struct{} } // NewPdOracle create an Oracle that uses a pd client source. @@ -77,9 +78,7 @@ func (o *pdOracle) GetTimestamp(ctx context.Context, opt *oracle.Option) (uint64 if err != nil { return 0, errors.Trace(err) } - tsArrival := o.getArrivalTimestamp(ctx) o.setLastTS(ts, opt.TxnScope) - o.setLastArrivalTS(tsArrival) return ts, nil } @@ -134,7 +133,7 @@ func (o *pdOracle) getTimestamp(ctx context.Context, txnScope string) (uint64, e return oracle.ComposeTS(physical, logical), nil } -func (o *pdOracle) getArrivalTimestamp(ctx context.Context) uint64 { +func (o *pdOracle) getArrivalTimestamp() uint64 { return oracle.ComposeTS(oracle.GetPhysical(time.Now()), 0) } @@ -147,6 +146,27 @@ func (o *pdOracle) setLastTS(ts uint64, txnScope string) { lastTSInterface, _ = o.lastTSMap.LoadOrStore(txnScope, new(uint64)) } lastTSPointer := lastTSInterface.(*uint64) + for { + lastTS := atomic.LoadUint64(lastTSPointer) + if ts <= lastTS { + return + } + if atomic.CompareAndSwapUint64(lastTSPointer, lastTS, ts) { + break + } + } + o.setLastArrivalTS(o.getArrivalTimestamp(), txnScope) +} + +func (o *pdOracle) setLastArrivalTS(ts uint64, txnScope string) { + if txnScope == "" { + txnScope = oracle.GlobalTxnScope + } + lastTSInterface, ok := o.lastArrivalTSMap.Load(txnScope) + if !ok { + lastTSInterface, _ = o.lastArrivalTSMap.LoadOrStore(txnScope, new(uint64)) + } + lastTSPointer := lastTSInterface.(*uint64) for { lastTS := atomic.LoadUint64(lastTSPointer) if ts <= lastTS { @@ -169,6 +189,17 @@ func (o *pdOracle) getLastTS(txnScope string) (uint64, bool) { return atomic.LoadUint64(lastTSInterface.(*uint64)), true } +func (o *pdOracle) getLastArrivalTS(txnScope string) (uint64, bool) { + if txnScope == "" { + txnScope = oracle.GlobalTxnScope + } + lastArrivalTSInterface, ok := o.lastArrivalTSMap.Load(txnScope) + if !ok { + return 0, false + } + return atomic.LoadUint64(lastArrivalTSInterface.(*uint64)), true +} + func (o *pdOracle) updateTS(ctx context.Context, interval time.Duration) { ticker := time.NewTicker(interval) defer ticker.Stop() @@ -239,16 +270,16 @@ func (o *pdOracle) GetLowResolutionTimestampAsync(ctx context.Context, opt *orac } } -func (o *pdOracle) getStaleTimestamp(ctx context.Context, prevSecond uint64) (uint64, error) { - ts, ok := o.getLastTS(oracle.GlobalTxnScope) +func (o *pdOracle) getStaleTimestamp(txnScope string, prevSecond uint64) (uint64, error) { + ts, ok := o.getLastTS(txnScope) if !ok { return 0, errors.Errorf("get stale timestamp fail, invalid txnScope = %s", oracle.GlobalTxnScope) } - tsArrival, ok := o.getLastArrivalTS() + arrivalTS, ok := o.getLastArrivalTS(txnScope) if !ok { - return 0, errors.Errorf("get last arrival timestamp fail, invalid txnScope = %s", oracle.GlobalTxnScope) + return 0, errors.Errorf("get stale arrival timestamp fail, invalid txnScope = %s", oracle.GlobalTxnScope) } - arrivalTime := oracle.GetTimeFromTS(tsArrival) + arrivalTime := oracle.GetTimeFromTS(arrivalTS) physicalTime := oracle.GetTimeFromTS(ts) if uint64(physicalTime.Unix()) <= prevSecond { return 0, errors.Errorf("invalid prevSecond %v", prevSecond) @@ -260,22 +291,10 @@ func (o *pdOracle) getStaleTimestamp(ctx context.Context, prevSecond uint64) (ui } // GetStaleTimestamp generate a TSO which represents for the TSO prevSecond secs ago. -func (o *pdOracle) GetStaleTimestamp(ctx context.Context, prevSecond uint64) (ts uint64, err error) { - ts, err = o.getStaleTimestamp(ctx, prevSecond) +func (o *pdOracle) GetStaleTimestamp(ctx context.Context, txnScope string, prevSecond uint64) (ts uint64, err error) { + ts, err = o.getStaleTimestamp(txnScope, prevSecond) if err != nil { return 0, errors.Trace(err) } return ts, nil } - -func (o *pdOracle) setLastArrivalTS(ts uint64) { - atomic.StoreUint64(&o.lastArrivalTS, ts) -} - -func (o *pdOracle) getLastArrivalTS() (uint64, bool) { - ts := atomic.LoadUint64(&o.lastArrivalTS) - if ts > 0 { - return ts, true - } - return 0, false -} diff --git a/store/tikv/oracle/oracles/pd_test.go b/store/tikv/oracle/oracles/pd_test.go index c9f1406b6dfbb..1d3c4b0b413e8 100644 --- a/store/tikv/oracle/oracles/pd_test.go +++ b/store/tikv/oracle/oracles/pd_test.go @@ -43,8 +43,7 @@ func TestPdOracle_GetStaleTimestamp(t *testing.T) { o := oracles.NewEmptyPDOracle() start := time.Now() oracles.SetEmptyPDOracleLastTs(o, oracle.ComposeTS(oracle.GetPhysical(start), 0)) - oracles.SetEmptyPDOracleLastArrivalTs(o, oracle.ComposeTS(oracle.GetPhysical(start), 0)) - ts, err := o.GetStaleTimestamp(context.Background(), 10) + ts, err := o.GetStaleTimestamp(context.Background(), oracle.GlobalTxnScope, 10) if err != nil { t.Errorf("%v\n", err) } @@ -54,7 +53,7 @@ func TestPdOracle_GetStaleTimestamp(t *testing.T) { t.Errorf("stable TS have accuracy err, expect: %d +-2, obtain: %d", 10, duration) } - _, err = o.GetStaleTimestamp(context.Background(), 1e12) + _, err = o.GetStaleTimestamp(context.Background(), oracle.GlobalTxnScope, 1e12) if err == nil { t.Errorf("expect exceed err but get nil") } @@ -62,8 +61,7 @@ func TestPdOracle_GetStaleTimestamp(t *testing.T) { for i := uint64(3); i < 1e9; i += i/100 + 1 { start = time.Now() oracles.SetEmptyPDOracleLastTs(o, oracle.ComposeTS(oracle.GetPhysical(start), 0)) - oracles.SetEmptyPDOracleLastArrivalTs(o, oracle.ComposeTS(oracle.GetPhysical(start), 0)) - ts, err = o.GetStaleTimestamp(context.Background(), i) + ts, err = o.GetStaleTimestamp(context.Background(), oracle.GlobalTxnScope, i) if err != nil { t.Errorf("%v\n", err) } From 47ef48b854c0a94789e6cf409bff216770aa02e3 Mon Sep 17 00:00:00 2001 From: crazycs Date: Thu, 24 Dec 2020 20:20:29 +0800 Subject: [PATCH 0568/1021] planner/codec: fix issue of decode plan error cause by without escape special char (#21937) Signed-off-by: crazycs520 --- expression/explain.go | 10 ++++++++++ infoschema/tables_test.go | 6 ++++++ util/plancodec/codec.go | 6 ++++++ util/stmtsummary/statement_summary.go | 2 +- 4 files changed, 23 insertions(+), 1 deletion(-) diff --git a/expression/explain.go b/expression/explain.go index 1bfe29827aacd..296b1c9de28d9 100644 --- a/expression/explain.go +++ b/expression/explain.go @@ -95,6 +95,16 @@ func ExplainExpressionList(exprs []Expression, schema *Schema) string { switch expr.(type) { case *Column, *CorrelatedColumn: builder.WriteString(expr.String()) + case *Constant: + v := expr.String() + length := 64 + if len(v) < length { + builder.WriteString(v) + } else { + builder.WriteString(fmt.Sprintf("%s(len:%d)", v[:length], len(v))) + } + builder.WriteString("->") + builder.WriteString(schema.Columns[i].String()) default: builder.WriteString(expr.String()) builder.WriteString("->") diff --git a/infoschema/tables_test.go b/infoschema/tables_test.go index b492e4324b013..35fad3f8d0ef9 100644 --- a/infoschema/tables_test.go +++ b/infoschema/tables_test.go @@ -1277,6 +1277,12 @@ func (s *testTableSuite) TestStmtSummaryInternalQuery(c *C) { where digest_text like "select original_sql , bind_sql , default_db , status%"`).Check(testkit.Rows( "select original_sql , bind_sql , default_db , status , create_time , update_time , charset , collation , source from mysql . bind_info" + " where update_time > ? order by update_time")) + + // Test for issue #21642. + tk.MustQuery(`select tidb_version()`) + rows := tk.MustQuery(`select plan from information_schema.statements_summary + where digest_text like "select tidb_version%"`).Rows() + c.Assert(strings.Contains(rows[0][0].(string), "Projection"), IsTrue) } // Test error count and warning count. diff --git a/util/plancodec/codec.go b/util/plancodec/codec.go index 8b928589d80a6..e7568493fed94 100644 --- a/util/plancodec/codec.go +++ b/util/plancodec/codec.go @@ -315,6 +315,7 @@ func decodePlanInfo(str string) (*planInfo, error) { // EncodePlanNode is used to encode the plan to a string. func EncodePlanNode(depth, pid int, planType string, rowCount float64, taskTypeInfo, explainInfo, actRows, analyzeInfo, memoryInfo, diskInfo string, buf *bytes.Buffer) { + explainInfo = escapeString(explainInfo) buf.WriteString(strconv.Itoa(depth)) buf.WriteByte(separator) buf.WriteString(encodeID(planType, pid)) @@ -342,6 +343,11 @@ func EncodePlanNode(depth, pid int, planType string, rowCount float64, buf.WriteByte(lineBreaker) } +func escapeString(s string) string { + s = strings.Replace(s, string([]byte{separator}), "\\t", -1) + return strings.Replace(s, string([]byte{lineBreaker}), "\\n", -1) +} + // NormalizePlanNode is used to normalize the plan to a string. func NormalizePlanNode(depth int, planType string, taskTypeInfo string, explainInfo string, buf *bytes.Buffer) { buf.WriteString(strconv.Itoa(depth)) diff --git a/util/stmtsummary/statement_summary.go b/util/stmtsummary/statement_summary.go index be6b5bcd1eb18..96d26052e83c8 100644 --- a/util/stmtsummary/statement_summary.go +++ b/util/stmtsummary/statement_summary.go @@ -857,7 +857,7 @@ func (ssElement *stmtSummaryByDigestElement) toDatum(ssbd *stmtSummaryByDigest) plan, err := plancodec.DecodePlan(ssElement.samplePlan) if err != nil { - logutil.BgLogger().Error("decode plan in statement summary failed", zap.String("plan", ssElement.samplePlan), zap.Error(err)) + logutil.BgLogger().Error("decode plan in statement summary failed", zap.String("plan", ssElement.samplePlan), zap.String("query", ssElement.sampleSQL), zap.Error(err)) plan = "" } From 4fdc99b8dda4bba102e3bf946fdf16fb7261bd18 Mon Sep 17 00:00:00 2001 From: lance6716 Date: Fri, 25 Dec 2020 11:20:59 +0800 Subject: [PATCH 0569/1021] session: fix didn't change current version in #21856 (#22011) --- session/bootstrap.go | 3 +++ session/session.go | 3 +-- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/session/bootstrap.go b/session/bootstrap.go index 4df5d2c269694..cabcf61e42440 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -444,6 +444,9 @@ const ( version57 = 57 // version58 add `Repl_client_priv` and `Repl_slave_priv` to `mysql.user` version58 = 58 + + // please make sure this is the largest version + currentBootstrapVersion = version58 ) var ( diff --git a/session/session.go b/session/session.go index ea676a65eb37f..e483605ca1809 100644 --- a/session/session.go +++ b/session/session.go @@ -2133,8 +2133,7 @@ func CreateSessionWithDomain(store kv.Storage, dom *domain.Domain) (*session, er } const ( - notBootstrapped = 0 - currentBootstrapVersion = version57 + notBootstrapped = 0 ) func getStoreBootstrapVersion(store kv.Storage) int64 { From c3e54962d124f25a6b50a7014e1f19111fc533a3 Mon Sep 17 00:00:00 2001 From: wjHuang Date: Fri, 25 Dec 2020 11:44:00 +0800 Subject: [PATCH 0570/1021] executor: fix a bug that can not insert null into a not null column in the empty SQL mode (#21237) Signed-off-by: wjhuang2016 --- executor/executor.go | 4 ++-- executor/executor_test.go | 6 +++--- executor/insert_common.go | 4 ---- executor/write_test.go | 4 ++-- expression/integration_test.go | 11 +++++++++++ table/column.go | 8 ++++---- 6 files changed, 22 insertions(+), 15 deletions(-) diff --git a/executor/executor.go b/executor/executor.go index 79ebae9a64f3a..def3d8ec33205 100644 --- a/executor/executor.go +++ b/executor/executor.go @@ -1667,9 +1667,9 @@ func ResetContextOfStmt(ctx sessionctx.Context, s ast.StmtNode) (err error) { sc.InInsertStmt = true // For insert statement (not for update statement), disabling the StrictSQLMode // should make TruncateAsWarning and DividedByZeroAsWarning, - // but should not make DupKeyAsWarning or BadNullAsWarning, + // but should not make DupKeyAsWarning. sc.DupKeyAsWarning = stmt.IgnoreErr - sc.BadNullAsWarning = stmt.IgnoreErr + sc.BadNullAsWarning = !vars.StrictSQLMode || stmt.IgnoreErr sc.IgnoreNoPartition = stmt.IgnoreErr sc.TruncateAsWarning = !vars.StrictSQLMode || stmt.IgnoreErr sc.DividedByZeroAsWarning = !vars.StrictSQLMode || stmt.IgnoreErr diff --git a/executor/executor_test.go b/executor/executor_test.go index d3276c151bbcc..7ac916b5e5939 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -2175,14 +2175,14 @@ func (s *testSuiteP2) TestSQLMode(c *C) { tk.MustExec("set sql_mode = ''") tk.MustExec("insert t values ()") tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1364 Field 'a' doesn't have a default value")) - _, err = tk.Exec("insert t values (null)") - c.Check(err, NotNil) + tk.MustExec("insert t values (null)") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1048 Column 'a' cannot be null")) tk.MustExec("insert ignore t values (null)") tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1048 Column 'a' cannot be null")) tk.MustExec("insert t select null") tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1048 Column 'a' cannot be null")) tk.MustExec("insert t values (1000)") - tk.MustQuery("select * from t order by a").Check(testkit.Rows("0", "0", "0", "127")) + tk.MustQuery("select * from t order by a").Check(testkit.Rows("0", "0", "0", "0", "127")) tk.MustExec("insert tdouble values (10.23)") tk.MustQuery("select * from tdouble").Check(testkit.Rows("9.99")) diff --git a/executor/insert_common.go b/executor/insert_common.go index 364c1887746e2..a59171280d7dd 100644 --- a/executor/insert_common.go +++ b/executor/insert_common.go @@ -419,10 +419,6 @@ func insertRowsFromSelect(ctx context.Context, base insertCommon) error { rows := make([][]types.Datum, 0, chk.Capacity()) sessVars := e.ctx.GetSessionVars() - if !sessVars.StrictSQLMode { - // If StrictSQLMode is disabled and it is a insert-select statement, it also handle BadNullAsWarning. - sessVars.StmtCtx.BadNullAsWarning = true - } batchSize := sessVars.DMLBatchSize batchInsert := sessVars.BatchInsert && !sessVars.InTxn() && config.GetGlobalConfig().EnableBatchDML && batchSize > 0 memUsageOfRows := int64(0) diff --git a/executor/write_test.go b/executor/write_test.go index c0a5a40613b5f..43e158b0b41f8 100644 --- a/executor/write_test.go +++ b/executor/write_test.go @@ -740,8 +740,8 @@ commit;` tk.MustQuery(`SELECT * FROM t1 order by f1;`).Check(testkit.Rows("1 0", "2 2")) tk.MustExec(`SET sql_mode='';`) - _, err = tk.Exec(`INSERT t1 VALUES (1, 1) ON DUPLICATE KEY UPDATE f2 = null;`) - c.Assert(err, NotNil) + tk.MustExec(`INSERT t1 VALUES (1, 1) ON DUPLICATE KEY UPDATE f2 = null;`) + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1048 Column 'f2' cannot be null")) tk.MustQuery(`SELECT * FROM t1 order by f1;`).Check(testkit.Rows("1 0", "2 2")) } diff --git a/expression/integration_test.go b/expression/integration_test.go index d11c45cc8862f..b3242e1027c74 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -3134,6 +3134,17 @@ func (s *testIntegrationSuite2) TestBuiltin(c *C) { result.Check(testkit.Rows("0")) } +func (s *testIntegrationSuite2) TestIssue11648(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (id int NOT NULL DEFAULT 8);") + tk.MustExec("SET sql_mode = '';") + tk.MustExec("insert into t values (1), (NULL), (2);") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1048 Column 'id' cannot be null")) + tk.MustQuery("select * from t").Check(testkit.Rows("1", "0", "2")) +} + func (s *testIntegrationSuite) TestInfoBuiltin(c *C) { defer s.cleanEnv(c) tk := testkit.NewTestKit(c, s.store) diff --git a/table/column.go b/table/column.go index 7a60696c53887..13ad3e21d6d29 100644 --- a/table/column.go +++ b/table/column.go @@ -583,14 +583,14 @@ func getColDefaultValueFromNil(ctx sessionctx.Context, col *model.ColumnInfo) (t } vars := ctx.GetSessionVars() sc := vars.StmtCtx - if sc.BadNullAsWarning { - sc.AppendWarning(ErrColumnCantNull.FastGenByArgs(col.Name)) - return GetZeroValue(col), nil - } if !vars.StrictSQLMode { sc.AppendWarning(ErrNoDefaultValue.FastGenByArgs(col.Name)) return GetZeroValue(col), nil } + if sc.BadNullAsWarning { + sc.AppendWarning(ErrColumnCantNull.FastGenByArgs(col.Name)) + return GetZeroValue(col), nil + } return types.Datum{}, ErrNoDefaultValue.FastGenByArgs(col.Name) } From edce3b75adaba60008cd662d05b3c8e70a633417 Mon Sep 17 00:00:00 2001 From: xufei Date: Fri, 25 Dec 2020 13:46:40 +0800 Subject: [PATCH 0571/1021] tests: add mpp mock test, part 2 (#21631) --- executor/tiflash_test.go | 28 +++++++++++++++++++ .../unistore/cophandler/cop_handler.go | 2 +- store/mockstore/unistore/mock.go | 1 + store/mockstore/unistore/rpc.go | 18 +++++++----- 4 files changed, 41 insertions(+), 8 deletions(-) diff --git a/executor/tiflash_test.go b/executor/tiflash_test.go index 7a2184c295672..6549baca4e180 100644 --- a/executor/tiflash_test.go +++ b/executor/tiflash_test.go @@ -92,3 +92,31 @@ func (s *tiflashTestSuite) TestReadPartitionTable(c *C) { tk.MustQuery("select /*+ STREAM_AGG() */ count(*) from t").Check(testkit.Rows("6")) tk.MustExec("commit") } + +func (s *tiflashTestSuite) TestMppExecution(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(a int not null primary key, b int not null)") + tk.MustExec("alter table t set tiflash replica 1") + tb := testGetTableByName(c, tk.Se, "test", "t") + err := domain.GetDomain(tk.Se).DDL().UpdateTableReplicaInfo(tk.Se, tb.Meta().ID, true) + c.Assert(err, IsNil) + tk.MustExec("insert into t values(1,0)") + tk.MustExec("insert into t values(2,0)") + tk.MustExec("insert into t values(3,0)") + + tk.MustExec("create table t1(a int not null primary key, b int not null)") + tk.MustExec("alter table t1 set tiflash replica 1") + tb = testGetTableByName(c, tk.Se, "test", "t1") + err = domain.GetDomain(tk.Se).DDL().UpdateTableReplicaInfo(tk.Se, tb.Meta().ID, true) + c.Assert(err, IsNil) + tk.MustExec("insert into t1 values(1,0)") + tk.MustExec("insert into t1 values(2,0)") + tk.MustExec("insert into t1 values(3,0)") + + tk.MustExec("set @@session.tidb_isolation_read_engines=\"tiflash\"") + tk.MustExec("set @@session.tidb_allow_mpp=ON") + tk.MustExec("set @@session.tidb_opt_broadcast_join=ON") + tk.MustQuery("select count(*) from t1 , t where t1.a = t.a").Check(testkit.Rows("3")) +} diff --git a/store/mockstore/unistore/cophandler/cop_handler.go b/store/mockstore/unistore/cophandler/cop_handler.go index ad29817a7805d..67328f4f8dc43 100644 --- a/store/mockstore/unistore/cophandler/cop_handler.go +++ b/store/mockstore/unistore/cophandler/cop_handler.go @@ -56,7 +56,7 @@ func HandleCopRequest(dbReader *dbreader.DBReader, lockStore *lockstore.MemStore // HandleCopRequestWithMPPCtx handles coprocessor request, actually, this is the updated version for // HandleCopRequest(after mpp test is supported), however, go does not support function overloading, -// I have to rename it to HandleCopRequestWithMPPCtx, once unistore is updated, HandleCopRequest will be deleted. +// I have to rename it to HandleCopRequestWithMPPCtx. func HandleCopRequestWithMPPCtx(dbReader *dbreader.DBReader, lockStore *lockstore.MemStore, req *coprocessor.Request, mppCtx *MPPCtx) *coprocessor.Response { switch req.Tp { case kv.ReqTypeDAG: diff --git a/store/mockstore/unistore/mock.go b/store/mockstore/unistore/mock.go index 8db4b3757ab9c..4fc64d5a48beb 100644 --- a/store/mockstore/unistore/mock.go +++ b/store/mockstore/unistore/mock.go @@ -65,6 +65,7 @@ func New(path string) (*RPCClient, pd.Client, *Cluster, error) { persistent: persistent, rawHandler: newRawHandler(), } + srv.RPCClient = client pdClient := newPDClient(pd) return client, pdClient, cluster, nil diff --git a/store/mockstore/unistore/rpc.go b/store/mockstore/unistore/rpc.go index c1941616b4d37..0a9e465a20623 100644 --- a/store/mockstore/unistore/rpc.go +++ b/store/mockstore/unistore/rpc.go @@ -83,8 +83,12 @@ func (c *RPCClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.R return nil, context.Canceled } + storeID, err := c.usSvr.GetStoreIdByAddr(addr) + if err != nil { + return nil, err + } + resp := &tikvrpc.Response{} - var err error switch req.Type { case tikvrpc.CmdGet: resp.Resp, err = c.usSvr.KvGet(ctx, req.Get()) @@ -236,9 +240,9 @@ func (c *RPCClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.R }) resp.Resp, err = c.handleBatchCop(ctx, req.BatchCop(), timeout) case tikvrpc.CmdMPPConn: - resp.Resp, err = c.handleEstablishMPPConnection(ctx, req.EstablishMPPConn(), timeout) + resp.Resp, err = c.handleEstablishMPPConnection(ctx, req.EstablishMPPConn(), timeout, storeID) case tikvrpc.CmdMPPTask: - resp.Resp, err = c.handleDispatchMPPTask(ctx, req.DispatchMPPTask()) + resp.Resp, err = c.handleDispatchMPPTask(ctx, req.DispatchMPPTask(), storeID) case tikvrpc.CmdMvccGetByKey: resp.Resp, err = c.usSvr.MvccGetByKey(ctx, req.MvccGetByKey()) case tikvrpc.CmdMvccGetByStartTs: @@ -282,9 +286,9 @@ func (c *RPCClient) handleCopStream(ctx context.Context, req *coprocessor.Reques }, nil } -func (c *RPCClient) handleEstablishMPPConnection(ctx context.Context, r *mpp.EstablishMPPConnectionRequest, timeout time.Duration) (*tikvrpc.MPPStreamResponse, error) { +func (c *RPCClient) handleEstablishMPPConnection(ctx context.Context, r *mpp.EstablishMPPConnectionRequest, timeout time.Duration, storeID uint64) (*tikvrpc.MPPStreamResponse, error) { mockServer := new(mockMPPConnectStreamServer) - err := c.usSvr.EstablishMPPConnection(r, mockServer) + err := c.usSvr.EstablishMPPConnectionWithStoreId(r, mockServer, storeID) if err != nil { return nil, err } @@ -301,8 +305,8 @@ func (c *RPCClient) handleEstablishMPPConnection(ctx context.Context, r *mpp.Est return streamResp, nil } -func (c *RPCClient) handleDispatchMPPTask(ctx context.Context, r *mpp.DispatchTaskRequest) (*mpp.DispatchTaskResponse, error) { - return c.usSvr.DispatchMPPTask(ctx, r) +func (c *RPCClient) handleDispatchMPPTask(ctx context.Context, r *mpp.DispatchTaskRequest, storeID uint64) (*mpp.DispatchTaskResponse, error) { + return c.usSvr.DispatchMPPTaskWithStoreId(ctx, r, storeID) } func (c *RPCClient) handleBatchCop(ctx context.Context, r *coprocessor.BatchRequest, timeout time.Duration) (*tikvrpc.BatchCopStreamResponse, error) { From 27071f14d796492e50bed6729fa07d30ee9d57f2 Mon Sep 17 00:00:00 2001 From: tangenta Date: Fri, 25 Dec 2020 15:44:07 +0800 Subject: [PATCH 0572/1021] session/bootstrap: disable clustered index by default (#21777) --- executor/explainfor_test.go | 1 + executor/sample_test.go | 2 ++ planner/core/point_get_plan_test.go | 2 ++ session/bootstrap.go | 3 --- statistics/selectivity_test.go | 1 + util/ranger/ranger_test.go | 2 ++ 6 files changed, 8 insertions(+), 3 deletions(-) diff --git a/executor/explainfor_test.go b/executor/explainfor_test.go index 6779a1860e1f1..52a4513709fef 100644 --- a/executor/explainfor_test.go +++ b/executor/explainfor_test.go @@ -445,6 +445,7 @@ func (s *testPrepareSerialSuite) TestPointGetUserVarPlanCache(c *C) { tk.MustExec("use test") tk.MustExec("set @@tidb_enable_collect_execution_info=0;") + tk.MustExec("set @@tidb_enable_clustered_index=1;") tk.MustExec("drop table if exists t1") tk.MustExec("CREATE TABLE t1 (a BIGINT, b VARCHAR(40), PRIMARY KEY (a, b))") tk.MustExec("INSERT INTO t1 VALUES (1,'3'),(2,'4')") diff --git a/executor/sample_test.go b/executor/sample_test.go index 3c005ea888fd2..56d29c9689b61 100644 --- a/executor/sample_test.go +++ b/executor/sample_test.go @@ -72,6 +72,7 @@ func (s *testTableSampleSuite) initSampleTest(c *C) *testkit.TestKit { func (s *testTableSampleSuite) TestTableSampleBasic(c *C) { tk := s.initSampleTest(c) tk.MustExec("create table t (a int);") + tk.MustExec("set @@tidb_enable_clustered_index=1;") tk.MustQuery("select * from t tablesample regions();").Check(testkit.Rows()) tk.MustExec("insert into t values (0), (1000), (2000);") @@ -121,6 +122,7 @@ func (s *testTableSampleSuite) TestTableSampleMultiRegions(c *C) { func (s *testTableSampleSuite) TestTableSampleSchema(c *C) { tk := s.initSampleTest(c) + tk.MustExec("set @@tidb_enable_clustered_index = 1;") // Clustered index tk.MustExec("create table t (a varchar(255) primary key, b bigint);") tk.MustExec("insert into t values ('b', 100), ('y', 100);") diff --git a/planner/core/point_get_plan_test.go b/planner/core/point_get_plan_test.go index d763548914fd4..625189eed8013 100644 --- a/planner/core/point_get_plan_test.go +++ b/planner/core/point_get_plan_test.go @@ -393,6 +393,7 @@ func (s *testPointGetSuite) TestBatchPointGetPartition(c *C) { c.Assert(err, IsNil) tk.MustExec("use test") + tk.MustExec("set @@tidb_enable_clustered_index=1;") tk.MustExec("drop table if exists t") tk.MustExec("create table t(a int primary key, b int) PARTITION BY HASH(a) PARTITIONS 4") tk.MustExec("insert into t values (1, 1), (2, 2), (3, 3), (4, 4)") @@ -567,6 +568,7 @@ func (s *testPointGetSuite) TestBatchPointGetWithInvisibleIndex(c *C) { func (s *testPointGetSuite) TestCBOShouldNotUsePointGet(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") + tk.MustExec("set @@tidb_enable_clustered_index=1;") tk.MustExec("drop tables if exists t1, t2, t3, t4, t5") tk.MustExec("create table t1(id varchar(20) primary key)") tk.MustExec("create table t2(id varchar(20), unique(id))") diff --git a/session/bootstrap.go b/session/bootstrap.go index cabcf61e42440..e38ec39cd411b 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -1364,9 +1364,6 @@ func doDMLWorks(s Session) { if v.Name == variable.TiDBRowFormatVersion { vVal = strconv.Itoa(variable.DefTiDBRowFormatV2) } - if v.Name == variable.TiDBEnableClusteredIndex { - vVal = variable.BoolOn - } if v.Name == variable.TiDBPartitionPruneMode { vVal = string(variable.StaticOnly) if flag.Lookup("test.v") != nil || flag.Lookup("check.v") != nil || config.CheckTableBeforeDrop { diff --git a/statistics/selectivity_test.go b/statistics/selectivity_test.go index 311285397fba1..394bcc93378a9 100644 --- a/statistics/selectivity_test.go +++ b/statistics/selectivity_test.go @@ -606,6 +606,7 @@ func (s *testStatsSuite) TestUniqCompEqualEst(c *C) { defer cleanEnv(c, s.store, s.do) testKit := testkit.NewTestKit(c, s.store) testKit.MustExec("use test") + testKit.MustExec("set @@tidb_enable_clustered_index=1;") testKit.MustExec("drop table if exists t") testKit.MustExec("create table t(a int, b int, primary key(a, b))") testKit.MustExec("insert into t values(1,1),(1,2),(1,3),(1,4),(1,5),(1,6),(1,7),(1,8),(1,9),(1,10)") diff --git a/util/ranger/ranger_test.go b/util/ranger/ranger_test.go index e66a28f5982bf..f7c400b01cbba 100644 --- a/util/ranger/ranger_test.go +++ b/util/ranger/ranger_test.go @@ -1339,6 +1339,7 @@ func (s *testRangerSuite) TestCompIndexMultiColDNF1(c *C) { c.Assert(err, IsNil) testKit := testkit.NewTestKit(c, store) testKit.MustExec("use test") + testKit.MustExec("set @@tidb_enable_clustered_index=1;") testKit.MustExec("drop table if exists t") testKit.MustExec("create table t(a int, b int, c int, primary key(a,b));") testKit.MustExec("insert into t values(1,1,1),(2,2,3)") @@ -1372,6 +1373,7 @@ func (s *testRangerSuite) TestCompIndexMultiColDNF2(c *C) { c.Assert(err, IsNil) testKit := testkit.NewTestKit(c, store) testKit.MustExec("use test") + testKit.MustExec("set @@tidb_enable_clustered_index=1;") testKit.MustExec("drop table if exists t") testKit.MustExec("create table t(a int, b int, c int, primary key(a,b,c));") testKit.MustExec("insert into t values(1,1,1),(2,2,3)") From 3e2ff1d16ce5a802efb28111aadcd3e12878ac3a Mon Sep 17 00:00:00 2001 From: zhaoxugang <956308585@qq.com> Date: Fri, 25 Dec 2020 16:50:11 +0800 Subject: [PATCH 0573/1021] expression: fix different types compare error (#21338) --- expression/builtin_compare.go | 2 ++ expression/integration_test.go | 13 +++++++++++++ 2 files changed, 15 insertions(+) diff --git a/expression/builtin_compare.go b/expression/builtin_compare.go index e2696356e28ca..5053454731c0d 100644 --- a/expression/builtin_compare.go +++ b/expression/builtin_compare.go @@ -1092,6 +1092,8 @@ func getBaseCmpType(lhs, rhs types.EvalType, lft, rft *types.FieldType) types.Ev return types.ETString } else if (lhs == types.ETInt || (lft != nil && lft.Hybrid())) && (rhs == types.ETInt || (rft != nil && rft.Hybrid())) { return types.ETInt + } else if (lhs == types.ETDecimal && rhs == types.ETString) || (lhs == types.ETString && rhs == types.ETDecimal) { + return types.ETReal } else if ((lhs == types.ETInt || (lft != nil && lft.Hybrid())) || lhs == types.ETDecimal) && ((rhs == types.ETInt || (rft != nil && rft.Hybrid())) || rhs == types.ETDecimal) { return types.ETDecimal diff --git a/expression/integration_test.go b/expression/integration_test.go index b3242e1027c74..c61ac3f38fbd0 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -8392,6 +8392,19 @@ func (s *testIntegrationSuite) TestIssue12205(c *C) { testkit.Rows("Warning 1292 Truncated incorrect time value: '18446744072635875000'")) } +// for issue 20128 +func (s *testIntegrationSerialSuite) TestIssue20128(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t(b enum('a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z') DEFAULT NULL, c decimal(40,20));") + tk.MustExec("insert into t values('z', 19.18040000000000000000);") + tk.MustExec("insert into t values('z', 26.18040000000000000000);") + tk.MustExec("insert into t values('z', 25.18040000000000000000);") + tk.MustQuery("select * from t where t.b > t.c;").Check(testkit.Rows("z 19.18040000000000000000", "z 25.18040000000000000000")) + tk.MustQuery("select * from t where t.b < t.c;").Check(testkit.Rows("z 26.18040000000000000000")) +} + func (s *testIntegrationSuite) TestIssue21677(c *C) { tk := testkit.NewTestKit(c, s.store) From 933e456bebd7211fe82ffaaaec27147392b5e792 Mon Sep 17 00:00:00 2001 From: tangenta Date: Sat, 26 Dec 2020 15:26:02 +0800 Subject: [PATCH 0574/1021] executor: disallow split table region by null values (#20496) --- errors.toml | 5 +++++ executor/executor_test.go | 5 +++++ expression/integration_test.go | 18 ++++++++++++++++-- planner/core/errors.go | 1 + planner/core/expression_rewriter.go | 14 ++++++++++++-- planner/core/planbuilder.go | 3 +++ 6 files changed, 42 insertions(+), 4 deletions(-) diff --git a/errors.toml b/errors.toml index d1ac96c61e276..ece8fae9df897 100644 --- a/errors.toml +++ b/errors.toml @@ -781,6 +781,11 @@ error = ''' No database selected ''' +["planner:1048"] +error = ''' +Column '%-.192s' cannot be null +''' + ["planner:1051"] error = ''' Unknown table '%-.100s' diff --git a/executor/executor_test.go b/executor/executor_test.go index 7ac916b5e5939..c66fa04fd93a2 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -4749,6 +4749,11 @@ func (s *testSplitTable) TestClusterIndexSplitTableIntegration(c *C) { errMsg = "Split table region num exceeded the limit 1000" tk.MustGetErrMsg("split table t between ('aaa', 0.0) and ('aaa', 0.1) regions 100000;", errMsg) + // Split on null values. + errMsg = "[planner:1048]Column 'a' cannot be null" + tk.MustGetErrMsg("split table t between (null, null) and (null, null) regions 1000;", errMsg) + tk.MustGetErrMsg("split table t by (null, null);", errMsg) + // Success. tk.MustExec("split table t between ('aaa', 0.0) and ('aaa', 100.0) regions 10;") tk.MustExec("split table t by ('aaa', 0.0), ('aaa', 20.0), ('aaa', 100.0);") diff --git a/expression/integration_test.go b/expression/integration_test.go index c61ac3f38fbd0..8cb88e5fc4348 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -4748,11 +4748,18 @@ func (s *testIntegrationSuite) TestTiDBInternalFunc(c *C) { } // split table t by ('bbbb', 10, '2020-01-01'); data := []types.Datum{types.NewStringDatum("bbbb"), types.NewIntDatum(10), types.NewTimeDatum(getTime(2020, 1, 1, mysql.TypeDatetime))} - sql := fmt.Sprintf("select tidb_decode_key( '%s' )", buildCommonKeyFromData(tbl.Meta().ID, data)) + hexKey := buildCommonKeyFromData(tbl.Meta().ID, data) + sql := fmt.Sprintf("select tidb_decode_key( '%s' )", hexKey) result = tk.MustQuery(sql) rs := fmt.Sprintf(`{"handle":{"a":"bbbb","b":"10","c":"2020-01-01 00:00:00"},"table_id":%d}`, tbl.Meta().ID) result.Check(testkit.Rows(rs)) + // split table t by ('bbbb', 10, null); + data = []types.Datum{types.NewStringDatum("bbbb"), types.NewIntDatum(10), types.NewDatum(nil)} + hexKey = buildCommonKeyFromData(tbl.Meta().ID, data) + sql = fmt.Sprintf("select tidb_decode_key( '%s' )", hexKey) + tk.MustQuery(sql).Check(testkit.Rows(hexKey)) + tk.MustExec("drop table if exists t;") tk.MustExec("create table t (a varchar(255), b int, c datetime, index idx(a, b, c));") dom = domain.GetDomain(tk.Se) @@ -4768,11 +4775,18 @@ func (s *testIntegrationSuite) TestTiDBInternalFunc(c *C) { } // split table t index idx by ('aaaaa', 100, '2000-01-01'); data = []types.Datum{types.NewStringDatum("aaaaa"), types.NewIntDatum(100), types.NewTimeDatum(getTime(2000, 1, 1, mysql.TypeDatetime))} - hexKey := buildIndexKeyFromData(tbl.Meta().ID, tbl.Indices()[0].Meta().ID, data) + hexKey = buildIndexKeyFromData(tbl.Meta().ID, tbl.Indices()[0].Meta().ID, data) sql = fmt.Sprintf("select tidb_decode_key( '%s' )", hexKey) result = tk.MustQuery(sql) rs = fmt.Sprintf(`{"index_id":1,"index_vals":{"a":"aaaaa","b":"100","c":"2000-01-01 00:00:00"},"table_id":%d}`, tbl.Meta().ID) result.Check(testkit.Rows(rs)) + // split table t index idx by (null, null, null); + data = []types.Datum{types.NewDatum(nil), types.NewDatum(nil), types.NewDatum(nil)} + hexKey = buildIndexKeyFromData(tbl.Meta().ID, tbl.Indices()[0].Meta().ID, data) + sql = fmt.Sprintf("select tidb_decode_key( '%s' )", hexKey) + result = tk.MustQuery(sql) + rs = fmt.Sprintf(`{"index_id":1,"index_vals":{"a":null,"b":null,"c":null},"table_id":%d}`, tbl.Meta().ID) + result.Check(testkit.Rows(rs)) } func newStoreWithBootstrap() (kv.Storage, *domain.Domain, error) { diff --git a/planner/core/errors.go b/planner/core/errors.go index 01ebc13b1afa7..3b74485b96f29 100644 --- a/planner/core/errors.go +++ b/planner/core/errors.go @@ -90,4 +90,5 @@ var ( ErrWarnConflictingHint = dbterror.ClassOptimizer.NewStd(mysql.ErrWarnConflictingHint) // Since we cannot know if user logged in with a password, use message of ErrAccessDeniedNoPassword instead ErrAccessDenied = dbterror.ClassOptimizer.NewStdErr(mysql.ErrAccessDenied, mysql.MySQLErrName[mysql.ErrAccessDeniedNoPassword]) + ErrBadNull = dbterror.ClassOptimizer.NewStd(mysql.ErrBadNull) ) diff --git a/planner/core/expression_rewriter.go b/planner/core/expression_rewriter.go index e4d776d28a936..1c8477992e408 100644 --- a/planner/core/expression_rewriter.go +++ b/planner/core/expression_rewriter.go @@ -1943,6 +1943,9 @@ func decodeRecordKey(key []byte, tableID int64, tbl table.Table, loc *time.Locat handleColIDs = append(handleColIDs, tblInfo.Columns[col.Offset].ID) } + if len(handleColIDs) != handle.NumCols() { + return "", errors.Trace(errors.Errorf("primary key length not match handle columns number in key")) + } datumMap, err := tablecodec.DecodeHandleToDatumMap(handle, handleColIDs, cols, loc, nil) if err != nil { return "", errors.Trace(err) @@ -1951,7 +1954,7 @@ func decodeRecordKey(key []byte, tableID int64, tbl table.Table, loc *time.Locat ret["table_id"] = tableID handleRet := make(map[string]interface{}) for colID, dt := range datumMap { - dtStr, err := dt.ToString() + dtStr, err := datumToJSONObject(&dt) if err != nil { return "", errors.Trace(err) } @@ -2030,7 +2033,7 @@ func decodeIndexKey(key []byte, tableID int64, tbl table.Table, loc *time.Locati ret["index_id"] = indexID idxValMap := make(map[string]interface{}, len(targetIndex.Columns)) for i := 0; i < len(targetIndex.Columns); i++ { - dtStr, err := ds[i].ToString() + dtStr, err := datumToJSONObject(&ds[i]) if err != nil { return "", errors.Trace(err) } @@ -2057,3 +2060,10 @@ func decodeIndexKey(key []byte, tableID int64, tbl table.Table, loc *time.Locati } return string(retStr), nil } + +func datumToJSONObject(d *types.Datum) (interface{}, error) { + if d.IsNull() { + return nil, nil + } + return d.ToString() +} diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index 5115f35a03974..4ff313d402487 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -2976,6 +2976,9 @@ func convertValueListToData(valueList []ast.ExprNode, handleColInfos []*model.Co if err != nil { return nil, err } + if convertedDatum.IsNull() { + return nil, ErrBadNull.GenWithStackByArgs(handleColInfos[i].Name.O) + } data = append(data, convertedDatum) } return data, nil From 5e67a597ccdd8220f40d69bc601f1b664949f885 Mon Sep 17 00:00:00 2001 From: Han Fei Date: Mon, 28 Dec 2020 15:14:15 +0800 Subject: [PATCH 0575/1021] planner, store/tikv, executor:Support shuffled hash join and refine codes (#20894) --- executor/builder.go | 4 +- executor/mpp_gather.go | 88 +-- executor/partition_table.go | 2 + planner/core/common_plans.go | 2 - planner/core/exhaust_physical_plans.go | 140 ++++- planner/core/explain.go | 62 +- planner/core/find_best_task.go | 62 +- planner/core/fragment.go | 119 ++-- planner/core/hints.go | 2 - planner/core/initialize.go | 25 +- planner/core/integration_test.go | 112 ++++ planner/core/physical_plans.go | 82 +-- planner/core/plan.go | 8 +- planner/core/plan_to_pb.go | 69 ++- planner/core/planbuilder.go | 2 +- planner/core/resolve_indices.go | 43 -- planner/core/stringer.go | 13 + planner/core/task.go | 276 ++++++--- .../testdata/integration_serial_suite_in.json | 39 ++ .../integration_serial_suite_out.json | 551 +++++++++++++++++- planner/property/physical_property.go | 57 +- planner/property/task_type.go | 5 + session/session.go | 2 + sessionctx/variable/session.go | 16 +- sessionctx/variable/sysvar.go | 2 + sessionctx/variable/tidb_vars.go | 10 + store/tikv/mpp.go | 44 +- util/plancodec/id.go | 2 - 28 files changed, 1392 insertions(+), 447 deletions(-) diff --git a/executor/builder.go b/executor/builder.go index b9cf470980c10..e297ef0fd5afd 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -79,6 +79,7 @@ type executorBuilder struct { snapshotTSCached bool err error // err is set when there is error happened during Executor building process. hasLock bool + mppTaskID int64 } func newExecutorBuilder(ctx sessionctx.Context, is infoschema.InfoSchema) *executorBuilder { @@ -2497,7 +2498,7 @@ func (e *TableReaderExecutor) setBatchCop(v *plannercore.PhysicalTableReader) { case 1: for _, p := range v.TablePlans { switch p.(type) { - case *plannercore.PhysicalHashAgg, *plannercore.PhysicalStreamAgg, *plannercore.PhysicalTopN, *plannercore.PhysicalBroadCastJoin: + case *plannercore.PhysicalHashAgg, *plannercore.PhysicalStreamAgg, *plannercore.PhysicalTopN, *plannercore.PhysicalHashJoin: e.batchCop = true } } @@ -2580,6 +2581,7 @@ func (b *executorBuilder) buildMPPGather(v *plannercore.PhysicalTableReader) Exe is: b.is, originalPlan: v.GetTablePlan(), startTS: startTs, + allocTaskID: &b.mppTaskID, } return gather } diff --git a/executor/mpp_gather.go b/executor/mpp_gather.go index 668c8681f7b20..89bac509a6179 100644 --- a/executor/mpp_gather.go +++ b/executor/mpp_gather.go @@ -22,21 +22,16 @@ import ( "github.com/pingcap/tidb/kv" plannercore "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/sessionctx" - "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/util/chunk" - "github.com/pingcap/tidb/util/ranger" "github.com/pingcap/tipb/go-tipb" ) -// Currently we only use mpp for broadcast join. func useMPPExecution(ctx sessionctx.Context, tr *plannercore.PhysicalTableReader) bool { if !ctx.GetSessionVars().AllowMPPExecution { return false } - if tr.StoreType != kv.TiFlash { - return false - } - return true + _, ok := tr.GetTablePlan().(*plannercore.PhysicalExchangeSender) + return ok } // MPPGather dispatch MPP tasks and read data from root tasks. @@ -47,59 +42,18 @@ type MPPGather struct { originalPlan plannercore.PhysicalPlan startTS uint64 - allocTaskID int64 + allocTaskID *int64 mppReqs []*kv.MPPDispatchRequest respIter distsql.SelectResult } -func (e *MPPGather) constructMPPTasksImpl(ctx context.Context, p *plannercore.Fragment) ([]*kv.MPPTask, error) { - isCommonHandle := p.TableScan.Table.IsCommonHandle - if p.TableScan.Table.GetPartitionInfo() == nil { - return e.constructSinglePhysicalTable(ctx, p.TableScan.Table.ID, isCommonHandle, p.TableScan.Ranges) - } - tmp, _ := e.is.TableByID(p.TableScan.Table.ID) - tbl := tmp.(table.PartitionedTable) - partitions, err := partitionPruning(e.ctx, tbl, p.TableScan.PartitionInfo.PruningConds, p.TableScan.PartitionInfo.PartitionNames, p.TableScan.PartitionInfo.Columns, p.TableScan.PartitionInfo.ColumnNames) - if err != nil { - return nil, errors.Trace(err) - } - allTasks := make([]*kv.MPPTask, 0) - for _, part := range partitions { - partTasks, err := e.constructSinglePhysicalTable(ctx, part.GetPhysicalID(), isCommonHandle, p.TableScan.Ranges) - if err != nil { - return nil, errors.Trace(err) - } - allTasks = append(allTasks, partTasks...) - } - return allTasks, nil -} - -// single physical table means a table without partitions or a single partition in a partition table. -func (e *MPPGather) constructSinglePhysicalTable(ctx context.Context, tableID int64, isCommonHandle bool, ranges []*ranger.Range) ([]*kv.MPPTask, error) { - kvRanges, err := distsql.TableHandleRangesToKVRanges(e.ctx.GetSessionVars().StmtCtx, []int64{tableID}, isCommonHandle, ranges, nil) - if err != nil { - return nil, errors.Trace(err) - } - req := &kv.MPPBuildTasksRequest{KeyRanges: kvRanges} - metas, err := e.ctx.GetMPPClient().ConstructMPPTasks(ctx, req) - if err != nil { - return nil, errors.Trace(err) - } - tasks := make([]*kv.MPPTask, 0, len(metas)) - for _, meta := range metas { - e.allocTaskID++ - tasks = append(tasks, &kv.MPPTask{Meta: meta, ID: e.allocTaskID, StartTs: e.startTS, TableID: tableID}) - } - return tasks, nil -} - func (e *MPPGather) appendMPPDispatchReq(pf *plannercore.Fragment, tasks []*kv.MPPTask, isRoot bool) error { dagReq, _, err := constructDAGReq(e.ctx, []plannercore.PhysicalPlan{pf.ExchangeSender}, kv.TiFlash) if err != nil { return errors.Trace(err) } - for i := range pf.Schema().Columns { + for i := range pf.ExchangeSender.Schema().Columns { dagReq.OutputOffsets = append(dagReq.OutputOffsets, uint32(i)) } if !isRoot { @@ -127,40 +81,28 @@ func (e *MPPGather) appendMPPDispatchReq(pf *plannercore.Fragment, tasks []*kv.M } e.mppReqs = append(e.mppReqs, req) } - return nil -} - -func (e *MPPGather) constructMPPTasks(ctx context.Context, pf *plannercore.Fragment, isRoot bool) ([]*kv.MPPTask, error) { - tasks, err := e.constructMPPTasksImpl(ctx, pf) - if err != nil { - return nil, errors.Trace(err) - } - - for _, client := range pf.ExchangeReceivers { - client.ChildPf.ExchangeSender.Tasks = tasks - client.Tasks, err = e.constructMPPTasks(ctx, client.ChildPf, false) + for _, r := range pf.ExchangeReceivers { + err = e.appendMPPDispatchReq(r.ChildPf, r.Tasks, false) if err != nil { - return nil, errors.Trace(err) + return errors.Trace(err) } } - err = e.appendMPPDispatchReq(pf, tasks, isRoot) - if err != nil { - return nil, errors.Trace(err) - } - return tasks, nil + return nil } // Open decides the task counts and locations and generate exchange operators for every plan fragment. // Then dispatch tasks to tiflash stores. If any task fails, it would cancel the rest tasks. -// TODO: We should retry when the request fails for pure rpc error. -func (e *MPPGather) Open(ctx context.Context) error { +func (e *MPPGather) Open(ctx context.Context) (err error) { // TODO: Move the construct tasks logic to planner, so we can see the explain results. - rootPf := plannercore.GetRootPlanFragments(e.ctx, e.originalPlan, e.startTS) - _, err := e.constructMPPTasks(ctx, rootPf, true) + sender := e.originalPlan.(*plannercore.PhysicalExchangeSender) + rootTasks, err := plannercore.GenerateRootMPPTasks(e.ctx, e.startTS, sender, e.allocTaskID) + if err != nil { + return errors.Trace(err) + } + err = e.appendMPPDispatchReq(sender.Fragment, rootTasks, true) if err != nil { return errors.Trace(err) } - e.respIter, err = distsql.DispatchMPPTasks(ctx, e.ctx, e.mppReqs, e.retFieldTypes) if err != nil { return errors.Trace(err) diff --git a/executor/partition_table.go b/executor/partition_table.go index 46836de7db58d..957a2ea5133d4 100644 --- a/executor/partition_table.go +++ b/executor/partition_table.go @@ -187,6 +187,8 @@ func updateExecutorTableID(ctx context.Context, exec *tipb.Executor, partitionID child = exec.Limit.Child case tipb.ExecType_TypeExchangeSender: child = exec.ExchangeSender.Child + case tipb.ExecType_TypeExchangeReceiver: + child = nil case tipb.ExecType_TypeJoin: child = exec.Join.Children[1-exec.Join.InnerIdx] default: diff --git a/planner/core/common_plans.go b/planner/core/common_plans.go index 2aec7a33dba32..bc1c65b3cdd8b 100644 --- a/planner/core/common_plans.go +++ b/planner/core/common_plans.go @@ -1033,8 +1033,6 @@ func (e *Explain) explainPlanInRowFormat(p Plan, taskType, driverSide, indent st buildSide = plan.InnerChildIdx ^ 1 case *PhysicalIndexHashJoin: buildSide = plan.InnerChildIdx ^ 1 - case *PhysicalBroadCastJoin: - buildSide = plan.InnerChildIdx } if buildSide != -1 { diff --git a/planner/core/exhaust_physical_plans.go b/planner/core/exhaust_physical_plans.go index f700435624d0e..434b578038800 100644 --- a/planner/core/exhaust_physical_plans.go +++ b/planner/core/exhaust_physical_plans.go @@ -945,7 +945,7 @@ func (p *LogicalJoin) constructInnerTableScanTask( } selStats := ts.stats.Scale(selectivity) ts.addPushedDownSelection(copTask, selStats) - t := finishCopTask(ds.ctx, copTask).(*rootTask) + t := copTask.convertToRootTask(ds.ctx) reader := t.p t.p = p.constructInnerUnionScan(us, reader) return t @@ -1079,7 +1079,7 @@ func (p *LogicalJoin) constructInnerIndexScanTask( cop.cst = tmpPath.CountAfterAccess * rowSize * sessVars.ScanFactor finalStats := ds.tableStats.ScaleByExpectCnt(rowCount) is.addPushedDownSelection(cop, ds, tmpPath, finalStats) - t := finishCopTask(ds.ctx, cop).(*rootTask) + t := cop.convertToRootTask(ds.ctx) reader := t.p t.p = p.constructInnerUnionScan(us, reader) return t @@ -1607,6 +1607,29 @@ func (p *LogicalJoin) tryToGetIndexJoin(prop *property.PhysicalProperty) (indexJ return filterIndexJoinBySessionVars(p.ctx, append(allLeftOuterJoins, allRightOuterJoins...)), false } +func checkChildFitBC(p Plan) bool { + if p.statsInfo().HistColl == nil { + return p.statsInfo().Count() < p.SCtx().GetSessionVars().BroadcastJoinThresholdCount + } + avg := p.statsInfo().HistColl.GetAvgRowSize(p.SCtx(), p.Schema().Columns, false, false) + sz := avg * float64(p.statsInfo().Count()) + return sz < float64(p.SCtx().GetSessionVars().BroadcastJoinThresholdSize) +} + +// If we can use mpp broadcast join, that's our first choice. + +func (p *LogicalJoin) shouldUseMPPBCJ() bool { + if p.ctx.GetSessionVars().BroadcastJoinThresholdSize == 0 || p.ctx.GetSessionVars().BroadcastJoinThresholdCount == 0 { + return p.ctx.GetSessionVars().AllowBCJ + } + if p.JoinType == LeftOuterJoin || p.JoinType == SemiJoin || p.JoinType == AntiSemiJoin { + return checkChildFitBC(p.children[1]) + } else if p.JoinType == RightOuterJoin { + return checkChildFitBC(p.children[0]) + } + return checkChildFitBC(p.children[0]) || checkChildFitBC(p.children[1]) +} + // LogicalJoin can generates hash join, index join and sort merge join. // Firstly we check the hint, if hint is figured by user, we force to choose the corresponding physical plan. // If the hint is not matched, it will get other candidates. @@ -1622,8 +1645,22 @@ func (p *LogicalJoin) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([]P if prop.IsFlashProp() && ((p.preferJoinType&preferBCJoin) == 0 && p.preferJoinType > 0) { return nil, false } + if prop.PartitionTp == property.BroadcastType { + return nil, false + } joins := make([]PhysicalPlan, 0, 8) - if p.ctx.GetSessionVars().AllowBCJ { + if p.ctx.GetSessionVars().AllowMPPExecution { + if p.shouldUseMPPBCJ() { + mppJoins := p.tryToGetMppHashJoin(prop, true) + if (p.preferJoinType & preferBCJoin) > 0 { + return mppJoins, true + } + joins = append(joins, mppJoins...) + } else { + mppJoins := p.tryToGetMppHashJoin(prop, false) + joins = append(joins, mppJoins...) + } + } else if p.ctx.GetSessionVars().AllowBCJ { broadCastJoins := p.tryToGetBroadCastJoin(prop) if (p.preferJoinType & preferBCJoin) > 0 { return broadCastJoins, true @@ -1661,6 +1698,95 @@ func (p *LogicalJoin) exhaustPhysicalPlans(prop *property.PhysicalProperty) ([]P return joins, true } +func (p *LogicalJoin) tryToGetMppHashJoin(prop *property.PhysicalProperty, useBCJ bool) []PhysicalPlan { + if !prop.IsEmpty() { + return nil + } + if prop.TaskTp != property.RootTaskType && prop.TaskTp != property.MppTaskType { + return nil + } + + if (p.JoinType != InnerJoin && p.JoinType != LeftOuterJoin && p.JoinType != RightOuterJoin && p.JoinType != SemiJoin && p.JoinType != AntiSemiJoin) || len(p.EqualConditions) == 0 { + return nil + } + + lkeys, rkeys, _, nullEQ := p.GetJoinKeys() + if nullEQ { + return nil + } + // check match property + baseJoin := basePhysicalJoin{ + JoinType: p.JoinType, + LeftConditions: p.LeftConditions, + RightConditions: p.RightConditions, + OtherConditions: p.OtherConditions, + DefaultValues: p.DefaultValues, + LeftJoinKeys: lkeys, + RightJoinKeys: rkeys, + } + // It indicates which side is the build side. + preferredBuildIndex := 0 + if p.JoinType == InnerJoin { + if p.children[0].statsInfo().Count() > p.children[1].statsInfo().Count() { + preferredBuildIndex = 1 + } + } else if p.JoinType == SemiJoin || p.JoinType == AntiSemiJoin || p.JoinType == LeftOuterJoin { + preferredBuildIndex = 1 + } + baseJoin.InnerChildIdx = preferredBuildIndex + childrenProps := make([]*property.PhysicalProperty, 2) + if useBCJ { + childrenProps[preferredBuildIndex] = &property.PhysicalProperty{TaskTp: property.MppTaskType, ExpectedCnt: math.MaxFloat64, PartitionTp: property.BroadcastType, Enforced: true} + expCnt := math.MaxFloat64 + if prop.ExpectedCnt < p.stats.RowCount { + expCntScale := prop.ExpectedCnt / p.stats.RowCount + expCnt = p.children[1-preferredBuildIndex].statsInfo().RowCount * expCntScale + } + if prop.PartitionTp == property.HashType { + hashKeys := rkeys + if preferredBuildIndex == 1 { + hashKeys = lkeys + } + if matches := prop.IsSubsetOf(hashKeys); len(matches) != 0 { + childrenProps[1-preferredBuildIndex] = &property.PhysicalProperty{TaskTp: property.MppTaskType, ExpectedCnt: expCnt, PartitionTp: property.HashType, PartitionCols: prop.PartitionCols} + } else { + return nil + } + } else { + childrenProps[1-preferredBuildIndex] = &property.PhysicalProperty{TaskTp: property.MppTaskType, ExpectedCnt: expCnt, PartitionTp: property.AnyType} + } + } else { + if prop.PartitionTp == property.HashType { + var matches []int + if matches = prop.IsSubsetOf(lkeys); len(matches) == 0 { + matches = prop.IsSubsetOf(rkeys) + } + if len(matches) == 0 { + return nil + } + lkeys = chooseSubsetOfJoinKeys(lkeys, matches) + rkeys = chooseSubsetOfJoinKeys(rkeys, matches) + } + childrenProps[0] = &property.PhysicalProperty{TaskTp: property.MppTaskType, ExpectedCnt: math.MaxFloat64, PartitionTp: property.HashType, PartitionCols: lkeys, Enforced: true} + childrenProps[1] = &property.PhysicalProperty{TaskTp: property.MppTaskType, ExpectedCnt: math.MaxFloat64, PartitionTp: property.HashType, PartitionCols: rkeys, Enforced: true} + } + join := PhysicalHashJoin{ + basePhysicalJoin: baseJoin, + Concurrency: uint(p.ctx.GetSessionVars().CopTiFlashConcurrencyFactor), + EqualConditions: p.EqualConditions, + storeTp: kv.TiFlash, + }.Init(p.ctx, p.stats.ScaleByExpectCnt(prop.ExpectedCnt), p.blockOffset, childrenProps...) + return []PhysicalPlan{join} +} + +func chooseSubsetOfJoinKeys(keys []*expression.Column, matches []int) []*expression.Column { + newKeys := make([]*expression.Column, 0, len(matches)) + for _, id := range matches { + newKeys = append(newKeys, keys[id]) + } + return newKeys +} + func (p *LogicalJoin) tryToGetBroadCastJoin(prop *property.PhysicalProperty) []PhysicalPlan { if !prop.IsEmpty() { return nil @@ -1755,9 +1881,11 @@ func (p *LogicalJoin) tryToGetBroadCastJoinByPreferGlobalIdx(prop *property.Phys childrenReqProps[1-baseJoin.InnerChildIdx].ExpectedCnt = p.children[1-baseJoin.InnerChildIdx].statsInfo().RowCount * expCntScale } - join := PhysicalBroadCastJoin{ + join := PhysicalHashJoin{ basePhysicalJoin: baseJoin, + Concurrency: uint(p.ctx.GetSessionVars().CopTiFlashConcurrencyFactor), EqualConditions: p.EqualConditions, + storeTp: kv.TiFlash, globalChildIndex: preferredGlobalIndex, }.Init(p.ctx, p.stats.ScaleByExpectCnt(prop.ExpectedCnt), p.blockOffset, childrenReqProps...) return []PhysicalPlan{join} @@ -2110,6 +2238,10 @@ func (la *LogicalAggregation) getHashAggs(prop *property.PhysicalProperty) []Phy if la.ctx.GetSessionVars().AllowBCJ { taskTypes = append(taskTypes, property.CopTiFlashLocalReadTaskType) } + // TODO: We haven't supported the agg algo with repartition. + if la.ctx.GetSessionVars().AllowMPPExecution { + taskTypes = append(taskTypes, property.MppTaskType) + } if la.HasDistinct() { // TODO: remove AllowDistinctAggPushDown after the cost estimation of distinct pushdown is implemented. // If AllowDistinctAggPushDown is set to true, we should not consider RootTask. diff --git a/planner/core/explain.go b/planner/core/explain.go index f487200d73672..fae801dbcb0de 100644 --- a/planner/core/explain.go +++ b/planner/core/explain.go @@ -32,6 +32,7 @@ import ( "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/plancodec" "github.com/pingcap/tidb/util/stringutil" + "github.com/pingcap/tipb/go-tipb" ) // A plan is dataAccesser means it can access underlying data. @@ -657,52 +658,6 @@ func (p *PhysicalMergeJoin) ExplainNormalizedInfo() string { return p.explainInfo(true) } -// ExplainInfo implements Plan interface. -func (p *PhysicalBroadCastJoin) ExplainInfo() string { - return p.explainInfo(false) -} - -// ExplainNormalizedInfo implements Plan interface. -func (p *PhysicalBroadCastJoin) ExplainNormalizedInfo() string { - return p.explainInfo(true) -} - -func (p *PhysicalBroadCastJoin) explainInfo(normalized bool) string { - sortedExplainExpressionList := expression.SortedExplainExpressionList - if normalized { - sortedExplainExpressionList = expression.SortedExplainNormalizedExpressionList - } - - buffer := new(bytes.Buffer) - - buffer.WriteString(p.JoinType.String()) - - if len(p.LeftJoinKeys) > 0 { - fmt.Fprintf(buffer, ", left key:%s", - expression.ExplainColumnList(p.LeftJoinKeys)) - } - if len(p.RightJoinKeys) > 0 { - fmt.Fprintf(buffer, ", right key:%s", - expression.ExplainColumnList(p.RightJoinKeys)) - } - if len(p.LeftConditions) > 0 { - if normalized { - fmt.Fprintf(buffer, ", left cond:%s", expression.SortedExplainNormalizedExpressionList(p.LeftConditions)) - } else { - fmt.Fprintf(buffer, ", left cond:%s", p.LeftConditions) - } - } - if len(p.RightConditions) > 0 { - fmt.Fprintf(buffer, ", right cond:%s", - sortedExplainExpressionList(p.RightConditions)) - } - if len(p.OtherConditions) > 0 { - fmt.Fprintf(buffer, ", other cond:%s", - sortedExplainExpressionList(p.OtherConditions)) - } - return buffer.String() -} - // ExplainInfo implements Plan interface. func (p *PhysicalTopN) ExplainInfo() string { buffer := bytes.NewBufferString("") @@ -897,6 +852,21 @@ func (p *DataSource) ExplainInfo() string { return buffer.String() } +// ExplainInfo implements Plan interface. +func (p *PhysicalExchangeSender) ExplainInfo() string { + buffer := bytes.NewBufferString("ExchangeType: ") + switch p.ExchangeType { + case tipb.ExchangeType_PassThrough: + fmt.Fprintf(buffer, "PassThrough") + case tipb.ExchangeType_Broadcast: + fmt.Fprintf(buffer, "Broadcast") + case tipb.ExchangeType_Hash: + fmt.Fprintf(buffer, "HashPartition") + fmt.Fprintf(buffer, ", Hash Cols: %s", expression.ExplainColumnList(p.HashCols)) + } + return buffer.String() +} + // ExplainInfo implements Plan interface. func (p *LogicalUnionScan) ExplainInfo() string { buffer := bytes.NewBufferString("") diff --git a/planner/core/find_best_task.go b/planner/core/find_best_task.go index a5ed51788988c..782a1d5cfdabc 100644 --- a/planner/core/find_best_task.go +++ b/planner/core/find_best_task.go @@ -243,10 +243,8 @@ func (p *baseLogicalPlan) enumeratePhysicalPlans4Task(physicalPlans []PhysicalPl // Combine best child tasks with parent physical plan. curTask := pp.attach2Task(childTasks...) - if prop.IsFlashProp() { - if _, ok := curTask.(*copTask); !ok { - continue - } + if _, ok := curTask.(*mppTask); ok && prop.TaskTp == property.RootTaskType { + curTask = curTask.convertToRootTask(p.ctx) } // Enforce curTask property @@ -291,8 +289,8 @@ func (p *baseLogicalPlan) findBestTask(prop *property.PhysicalProperty, planCoun return bestTask, 1, nil } - if prop.TaskTp != property.RootTaskType && prop.TaskTp != property.CopTiFlashLocalReadTaskType && prop.TaskTp != property.CopTiFlashGlobalReadTaskType { - // Currently all plan cannot totally push down. + if prop.TaskTp != property.RootTaskType && !prop.IsFlashProp() { + // Currently all plan cannot totally push down to TiKV. p.storeTask(prop, invalidTask) return invalidTask, 0, nil } @@ -302,7 +300,6 @@ func (p *baseLogicalPlan) findBestTask(prop *property.PhysicalProperty, planCoun // prop should be read only because its cached hashcode might be not consistent // when it is changed. So we clone a new one for the temporary changes. newProp := prop.Clone() - newProp.Enforced = prop.Enforced var plansFitsProp, plansNeedEnforce []PhysicalPlan var hintWorksWithProp bool // Maybe the plan can satisfy the required property, @@ -320,6 +317,8 @@ func (p *baseLogicalPlan) findBestTask(prop *property.PhysicalProperty, planCoun // try to get the task with an enforced sort. newProp.SortItems = []property.SortItem{} newProp.ExpectedCnt = math.MaxFloat64 + newProp.PartitionCols = nil + newProp.PartitionTp = property.AnyType var hintCanWork bool plansNeedEnforce, hintCanWork = p.self.exhaustPhysicalPlans(newProp) if hintCanWork && !hintWorksWithProp { @@ -333,8 +332,7 @@ func (p *baseLogicalPlan) findBestTask(prop *property.PhysicalProperty, planCoun // work anyway, we give up `plansNeedEnforce` for efficiency, plansNeedEnforce = nil } - newProp.SortItems = prop.SortItems - newProp.ExpectedCnt = prop.ExpectedCnt + newProp = prop } newProp.Enforced = false @@ -618,7 +616,7 @@ func (ds *DataSource) findBestTask(prop *property.PhysicalProperty, planCounter var cnt int64 // If prop.enforced is true, the prop.cols need to be set nil for ds.findBestTask. // Before function return, reset it for enforcing task prop and storing map. - oldPropCols := prop.SortItems + oldProp := prop.Clone() if prop.Enforced { // First, get the bestTask without enforced prop prop.Enforced = false @@ -634,13 +632,16 @@ func (ds *DataSource) findBestTask(prop *property.PhysicalProperty, planCounter } // Next, get the bestTask with enforced prop prop.SortItems = []property.SortItem{} + prop.PartitionTp = property.AnyType + } else if prop.PartitionTp != property.AnyType { + return invalidTask, 0, nil } defer func() { if err != nil { return } if prop.Enforced { - prop.SortItems = oldPropCols + prop = oldProp t = enforceProperty(prop, t, ds.basePlan.ctx) } ds.storeTask(prop, t) @@ -826,7 +827,7 @@ func (ds *DataSource) convertToIndexMergeScan(prop *property.PhysicalProperty, c cop.tablePlan = ts cop.idxMergePartPlans = scans cop.cst = totalCost - task = finishCopTask(ds.ctx, cop) + task = cop.convertToRootTask(ds.ctx) return task, nil } @@ -1043,7 +1044,7 @@ func (ds *DataSource) convertToIndexScan(prop *property.PhysicalProperty, candid finalStats := ds.stats.ScaleByExpectCnt(prop.ExpectedCnt) is.addPushedDownSelection(cop, ds, path, finalStats) if prop.TaskTp == property.RootTaskType { - task = finishCopTask(ds.ctx, task) + task = task.convertToRootTask(ds.ctx) } else if _, ok := task.(*rootTask); ok { return invalidTask, nil } @@ -1472,6 +1473,19 @@ func (ds *DataSource) convertToTableScan(prop *property.PhysicalProperty, candid return invalidTask, nil } ts, cost, _ := ds.getOriginalPhysicalTableScan(prop, candidate.path, candidate.isMatchProp) + if prop.TaskTp == property.MppTaskType { + if prop.PartitionTp != property.AnyType { + return &mppTask{}, nil + } + mppTask := &mppTask{ + p: ts, + cst: cost, + partTp: property.AnyType, + ts: ts, + } + mppTask = ts.addPushedDownSelectionToMppTask(mppTask, ds.stats) + return mppTask, nil + } copTask := &copTask{ tablePlan: ts, indexPlanFinished: true, @@ -1498,7 +1512,7 @@ func (ds *DataSource) convertToTableScan(prop *property.PhysicalProperty, candid return invalidTask, nil } if prop.TaskTp == property.RootTaskType { - task = finishCopTask(ds.ctx, task) + task = task.convertToRootTask(ds.ctx) } else if _, ok := task.(*rootTask); ok { return invalidTask, nil } @@ -1670,6 +1684,26 @@ func (ds *DataSource) convertToBatchPointGet(prop *property.PhysicalProperty, ca return rTsk } +func (ts *PhysicalTableScan) addPushedDownSelectionToMppTask(mpp *mppTask, stats *property.StatsInfo) *mppTask { + filterCondition, rootTaskConds := SplitSelCondsWithVirtualColumn(ts.filterCondition) + var newRootConds []expression.Expression + filterCondition, newRootConds = expression.PushDownExprs(ts.ctx.GetSessionVars().StmtCtx, filterCondition, ts.ctx.GetClient(), ts.StoreType) + rootTaskConds = append(rootTaskConds, newRootConds...) + if len(rootTaskConds) > 0 { + return &mppTask{} + } + ts.filterCondition = filterCondition + // Add filter condition to table plan now. + sessVars := ts.ctx.GetSessionVars() + if len(ts.filterCondition) > 0 { + mpp.cst += mpp.count() * sessVars.CopCPUFactor + sel := PhysicalSelection{Conditions: ts.filterCondition}.Init(ts.ctx, stats, ts.blockOffset) + sel.SetChildren(ts) + mpp.p = sel + } + return mpp +} + func (ts *PhysicalTableScan) addPushedDownSelection(copTask *copTask, stats *property.StatsInfo) { ts.filterCondition, copTask.rootTaskConds = SplitSelCondsWithVirtualColumn(ts.filterCondition) var newRootConds []expression.Expression diff --git a/planner/core/fragment.go b/planner/core/fragment.go index 3faaeea6f1586..231ec6f1ee8f1 100644 --- a/planner/core/fragment.go +++ b/planner/core/fragment.go @@ -14,20 +14,20 @@ package core import ( - "github.com/pingcap/tidb/expression" + "context" + + "github.com/pingcap/errors" + "github.com/pingcap/tidb/distsql" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx" - "github.com/pingcap/tidb/util/plancodec" - "github.com/pingcap/tipb/go-tipb" + "github.com/pingcap/tidb/util/logutil" + "go.uber.org/zap" ) // Fragment is cut from the whole pushed-down plan by network communication. // Communication by pfs are always through shuffling / broadcasting / passing through. type Fragment struct { - p PhysicalPlan - // following field are filled during getPlanFragment. - // TODO: Strictly speaking, not all plan fragment contain table scan. we can do this assumption until more plans are supported. TableScan *PhysicalTableScan // result physical table scan ExchangeReceivers []*PhysicalExchangeReceiver // data receivers @@ -35,56 +35,81 @@ type Fragment struct { ExchangeSender *PhysicalExchangeSender // data exporter } -// Schema is the output schema of the current plan fragment. -func (f *Fragment) Schema() *expression.Schema { - return f.p.Schema() +type mppTaskGenerator struct { + ctx sessionctx.Context + startTS uint64 + allocTaskID *int64 +} + +// GenerateRootMPPTasks generate all mpp tasks and return root ones. +func GenerateRootMPPTasks(ctx sessionctx.Context, startTs uint64, sender *PhysicalExchangeSender, allocTaskID *int64) ([]*kv.MPPTask, error) { + g := &mppTaskGenerator{ctx: ctx, startTS: startTs, allocTaskID: allocTaskID} + return g.generateMPPTasks(sender) } -// GetRootPlanFragments will cut and generate all the plan fragments which is divided by network communication. -// Then return the root plan fragment. -func GetRootPlanFragments(ctx sessionctx.Context, p PhysicalPlan, startTS uint64) *Fragment { +func (e *mppTaskGenerator) generateMPPTasks(s *PhysicalExchangeSender) ([]*kv.MPPTask, error) { + logutil.BgLogger().Info("Mpp will generate tasks", zap.String("plan", ToString(s))) tidbTask := &kv.MPPTask{ - StartTs: startTS, + StartTs: e.startTS, ID: -1, } - rootPf := &Fragment{ - p: p, - ExchangeSender: &PhysicalExchangeSender{ExchangeType: tipb.ExchangeType_PassThrough, Tasks: []*kv.MPPTask{tidbTask}}, + rootTasks, err := e.generateMPPTasksForFragment(s.Fragment) + if err != nil { + return nil, errors.Trace(err) } - rootPf.ExchangeSender.InitBasePlan(ctx, plancodec.TypeExchangeSender) - rootPf.ExchangeSender.SetChildren(rootPf.p) - getPlanFragments(ctx, p, rootPf) - return rootPf + s.Tasks = []*kv.MPPTask{tidbTask} + return rootTasks, nil } -// getPlanFragment passes the plan and which fragment the plan belongs to, then walk through the plan recursively. -// When we found an edge can be cut, we will add exchange operators and construct new fragment. -func getPlanFragments(ctx sessionctx.Context, p PhysicalPlan, pf *Fragment) { - switch x := p.(type) { - case *PhysicalTableScan: - x.IsGlobalRead = false - pf.TableScan = x - case *PhysicalBroadCastJoin: - // This is a fragment cutter. So we replace broadcast side with a exchangerClient - bcChild := x.Children()[x.InnerChildIdx] - exchangeSender := &PhysicalExchangeSender{ExchangeType: tipb.ExchangeType_Broadcast} - exchangeSender.InitBasePlan(ctx, plancodec.TypeExchangeSender) - npf := &Fragment{p: bcChild, ExchangeSender: exchangeSender} - exchangeSender.SetChildren(npf.p) - - exchangeReceivers := &PhysicalExchangeReceiver{ - ChildPf: npf, +func (e *mppTaskGenerator) generateMPPTasksForFragment(f *Fragment) (tasks []*kv.MPPTask, err error) { + for _, r := range f.ExchangeReceivers { + r.Tasks, err = e.generateMPPTasksForFragment(r.ChildPf) + if err != nil { + return nil, errors.Trace(err) } - exchangeReceivers.InitBasePlan(ctx, plancodec.TypeExchangeReceiver) - x.Children()[x.InnerChildIdx] = exchangeReceivers - pf.ExchangeReceivers = append(pf.ExchangeReceivers, exchangeReceivers) + } + if f.TableScan != nil { + tasks, err = e.constructMPPTasksImpl(context.Background(), f.TableScan) + } else { + tasks, err = e.constructMPPTasksImpl(context.Background(), nil) + } + if err != nil { + return nil, errors.Trace(err) + } + if len(tasks) == 0 { + return nil, errors.New("cannot find mpp task") + } + for _, r := range f.ExchangeReceivers { + s := r.ChildPf.ExchangeSender + s.Tasks = tasks + } + for _, task := range tasks { + logutil.BgLogger().Info("Dispatch mpp task", zap.Uint64("timestamp", task.StartTs), zap.Int64("ID", task.ID), zap.String("address", task.Meta.GetAddress()), zap.String("plan", ToString(f.ExchangeSender))) + } + return tasks, nil +} - // For the inner side of join, we use a new plan fragment. - getPlanFragments(ctx, bcChild, npf) - getPlanFragments(ctx, x.Children()[1-x.InnerChildIdx], pf) - default: - if len(x.Children()) > 0 { - getPlanFragments(ctx, x.Children()[0], pf) - } +// single physical table means a table without partitions or a single partition in a partition table. +func (e *mppTaskGenerator) constructMPPTasksImpl(ctx context.Context, ts *PhysicalTableScan) ([]*kv.MPPTask, error) { + var kvRanges []kv.KeyRange + var err error + var tableID int64 = -1 + if ts != nil { + tableID = ts.Table.ID + kvRanges, err = distsql.TableHandleRangesToKVRanges(e.ctx.GetSessionVars().StmtCtx, []int64{tableID}, ts.Table.IsCommonHandle, ts.Ranges, nil) + } + if err != nil { + return nil, errors.Trace(err) + } + req := &kv.MPPBuildTasksRequest{KeyRanges: kvRanges} + metas, err := e.ctx.GetMPPClient().ConstructMPPTasks(ctx, req) + if err != nil { + return nil, errors.Trace(err) + } + tasks := make([]*kv.MPPTask, 0, len(metas)) + for _, meta := range metas { + *e.allocTaskID++ + tasks = append(tasks, &kv.MPPTask{Meta: meta, ID: *e.allocTaskID, StartTs: e.startTS, TableID: tableID}) } + return tasks, nil } diff --git a/planner/core/hints.go b/planner/core/hints.go index 2707609b0bde7..b8928b742fa94 100644 --- a/planner/core/hints.go +++ b/planner/core/hints.go @@ -188,8 +188,6 @@ func genHintsFromPhysicalPlan(p PhysicalPlan, nodeType utilhint.NodeType) (res [ }) case *PhysicalMergeJoin: res = append(res, getJoinHints(p.SCtx(), HintSMJ, p.SelectBlockOffset(), nodeType, pp.children...)...) - case *PhysicalBroadCastJoin: - res = append(res, getJoinHints(p.SCtx(), HintBCJ, p.SelectBlockOffset(), nodeType, pp.children...)...) case *PhysicalHashJoin: res = append(res, getJoinHints(p.SCtx(), HintHJ, p.SelectBlockOffset(), nodeType, pp.children...)...) case *PhysicalIndexJoin: diff --git a/planner/core/initialize.go b/planner/core/initialize.go index 1c657a4903d80..94e8adf8aa9b6 100644 --- a/planner/core/initialize.go +++ b/planner/core/initialize.go @@ -324,16 +324,6 @@ func (p PhysicalHashJoin) Init(ctx sessionctx.Context, stats *property.StatsInfo return &p } -// Init initializes BatchPointGetPlan. -func (p PhysicalBroadCastJoin) Init(ctx sessionctx.Context, stats *property.StatsInfo, offset int, props ...*property.PhysicalProperty) *PhysicalBroadCastJoin { - tp := plancodec.TypeBroadcastJoin - p.basePhysicalPlan = newBasePhysicalPlan(ctx, tp, &p, offset) - p.childrenReqProps = props - p.stats = stats - return &p - -} - // Init initializes PhysicalMergeJoin. func (p PhysicalMergeJoin) Init(ctx sessionctx.Context, stats *property.StatsInfo, offset int) *PhysicalMergeJoin { p.basePhysicalPlan = newBasePhysicalPlan(ctx, plancodec.TypeMergeJoin, &p, offset) @@ -490,9 +480,18 @@ func (p PointGetPlan) Init(ctx sessionctx.Context, stats *property.StatsInfo, of return &p } -// InitBasePlan only assigns type and context. -func (p *PhysicalExchangerBase) InitBasePlan(ctx sessionctx.Context, tp string) { - p.basePlan = newBasePlan(ctx, tp, 0) +// Init only assigns type and context. +func (p PhysicalExchangeSender) Init(ctx sessionctx.Context, stats *property.StatsInfo) *PhysicalExchangeSender { + p.basePlan = newBasePlan(ctx, plancodec.TypeExchangeSender, 0) + p.stats = stats + return &p +} + +// Init only assigns type and context. +func (p PhysicalExchangeReceiver) Init(ctx sessionctx.Context, stats *property.StatsInfo) *PhysicalExchangeReceiver { + p.basePlan = newBasePlan(ctx, plancodec.TypeExchangeReceiver, 0) + p.stats = stats + return &p } func flattenTreePlan(plan PhysicalPlan, plans []PhysicalPlan) []PhysicalPlan { diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index defbbf0d7e1ba..40dfb63da0718 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -355,6 +355,118 @@ func (s *testIntegrationSerialSuite) TestSelPushDownTiFlash(c *C) { res.Check(testkit.Rows(output[i].Plan...)) } } +func (s *testIntegrationSerialSuite) TestMPPJoin(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists d1_t") + tk.MustExec("create table d1_t(d1_k int, value int)") + tk.MustExec("insert into d1_t values(1,2),(2,3)") + tk.MustExec("analyze table d1_t") + tk.MustExec("drop table if exists d2_t") + tk.MustExec("create table d2_t(d2_k decimal(10,2), value int)") + tk.MustExec("insert into d2_t values(10.11,2),(10.12,3)") + tk.MustExec("analyze table d2_t") + tk.MustExec("drop table if exists d3_t") + tk.MustExec("create table d3_t(d3_k date, value int)") + tk.MustExec("insert into d3_t values(date'2010-01-01',2),(date'2010-01-02',3)") + tk.MustExec("analyze table d3_t") + tk.MustExec("drop table if exists fact_t") + tk.MustExec("create table fact_t(d1_k int, d2_k decimal(10,2), d3_k date, col1 int, col2 int, col3 int)") + tk.MustExec("insert into fact_t values(1,10.11,date'2010-01-01',1,2,3),(1,10.11,date'2010-01-02',1,2,3),(1,10.12,date'2010-01-01',1,2,3),(1,10.12,date'2010-01-02',1,2,3)") + tk.MustExec("insert into fact_t values(2,10.11,date'2010-01-01',1,2,3),(2,10.11,date'2010-01-02',1,2,3),(2,10.12,date'2010-01-01',1,2,3),(2,10.12,date'2010-01-02',1,2,3)") + tk.MustExec("analyze table fact_t") + + // Create virtual tiflash replica info. + dom := domain.GetDomain(tk.Se) + is := dom.InfoSchema() + db, exists := is.SchemaByName(model.NewCIStr("test")) + c.Assert(exists, IsTrue) + for _, tblInfo := range db.Tables { + if tblInfo.Name.L == "fact_t" || tblInfo.Name.L == "d1_t" || tblInfo.Name.L == "d2_t" || tblInfo.Name.L == "d3_t" { + tblInfo.TiFlashReplica = &model.TiFlashReplicaInfo{ + Count: 1, + Available: true, + } + } + } + + tk.MustExec("set @@session.tidb_isolation_read_engines = 'tiflash'") + tk.MustExec("set @@session.tidb_allow_mpp = 1") + var input []string + var output []struct { + SQL string + Plan []string + } + s.testData.GetTestCases(c, &input, &output) + for i, tt := range input { + s.testData.OnRecord(func() { + output[i].SQL = tt + output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows()) + }) + res := tk.MustQuery(tt) + res.Check(testkit.Rows(output[i].Plan...)) + } +} + +func (s *testIntegrationSerialSuite) TestMPPShuffledJoin(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists d1_t") + tk.MustExec("create table d1_t(d1_k int, value int)") + tk.MustExec("insert into d1_t values(1,2),(2,3)") + tk.MustExec("insert into d1_t values(1,2),(2,3)") + tk.MustExec("analyze table d1_t") + tk.MustExec("drop table if exists d2_t") + tk.MustExec("create table d2_t(d2_k decimal(10,2), value int)") + tk.MustExec("insert into d2_t values(10.11,2),(10.12,3)") + tk.MustExec("insert into d2_t values(10.11,2),(10.12,3)") + tk.MustExec("analyze table d2_t") + tk.MustExec("drop table if exists d3_t") + tk.MustExec("create table d3_t(d3_k date, value int)") + tk.MustExec("insert into d3_t values(date'2010-01-01',2),(date'2010-01-02',3)") + tk.MustExec("insert into d3_t values(date'2010-01-01',2),(date'2010-01-02',3)") + tk.MustExec("analyze table d3_t") + tk.MustExec("drop table if exists fact_t") + tk.MustExec("create table fact_t(d1_k int, d2_k decimal(10,2), d3_k date, col1 int, col2 int, col3 int)") + tk.MustExec("insert into fact_t values(1,10.11,date'2010-01-01',1,2,3),(1,10.11,date'2010-01-02',1,2,3),(1,10.12,date'2010-01-01',1,2,3),(1,10.12,date'2010-01-02',1,2,3)") + tk.MustExec("insert into fact_t values(2,10.11,date'2010-01-01',1,2,3),(2,10.11,date'2010-01-02',1,2,3),(2,10.12,date'2010-01-01',1,2,3),(2,10.12,date'2010-01-02',1,2,3)") + tk.MustExec("insert into fact_t values(2,10.11,date'2010-01-01',1,2,3),(2,10.11,date'2010-01-02',1,2,3),(2,10.12,date'2010-01-01',1,2,3),(2,10.12,date'2010-01-02',1,2,3)") + tk.MustExec("insert into fact_t values(2,10.11,date'2010-01-01',1,2,3),(2,10.11,date'2010-01-02',1,2,3),(2,10.12,date'2010-01-01',1,2,3),(2,10.12,date'2010-01-02',1,2,3)") + tk.MustExec("analyze table fact_t") + + // Create virtual tiflash replica info. + dom := domain.GetDomain(tk.Se) + is := dom.InfoSchema() + db, exists := is.SchemaByName(model.NewCIStr("test")) + c.Assert(exists, IsTrue) + for _, tblInfo := range db.Tables { + if tblInfo.Name.L == "fact_t" || tblInfo.Name.L == "d1_t" || tblInfo.Name.L == "d2_t" || tblInfo.Name.L == "d3_t" { + tblInfo.TiFlashReplica = &model.TiFlashReplicaInfo{ + Count: 1, + Available: true, + } + } + } + + tk.MustExec("set @@session.tidb_isolation_read_engines = 'tiflash'") + tk.MustExec("set @@session.tidb_allow_mpp = 1") + tk.MustExec("set @@session.tidb_broadcast_join_threshold_size = 1") + tk.MustExec("set @@session.tidb_broadcast_join_threshold_count = 1") + var input []string + var output []struct { + SQL string + Plan []string + } + s.testData.GetTestCases(c, &input, &output) + for i, tt := range input { + s.testData.OnRecord(func() { + output[i].SQL = tt + output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows()) + }) + res := tk.MustQuery(tt) + res.Check(testkit.Rows(output[i].Plan...)) + } +} func (s *testIntegrationSerialSuite) TestBroadcastJoin(c *C) { tk := testkit.NewTestKit(c, s.store) diff --git a/planner/core/physical_plans.go b/planner/core/physical_plans.go index d4013bfb24142..4497f3aa879c7 100644 --- a/planner/core/physical_plans.go +++ b/planner/core/physical_plans.go @@ -54,7 +54,6 @@ var ( _ PhysicalPlan = &PhysicalStreamAgg{} _ PhysicalPlan = &PhysicalApply{} _ PhysicalPlan = &PhysicalIndexJoin{} - _ PhysicalPlan = &PhysicalBroadCastJoin{} _ PhysicalPlan = &PhysicalHashJoin{} _ PhysicalPlan = &PhysicalMergeJoin{} _ PhysicalPlan = &PhysicalUnionScan{} @@ -105,7 +104,7 @@ func (p *PhysicalTableReader) GetTableScan() *PhysicalTableScan { } else if chCnt == 1 { curPlan = curPlan.Children()[0] } else { - join := curPlan.(*PhysicalBroadCastJoin) + join := curPlan.(*PhysicalHashJoin) curPlan = join.children[1-join.globalChildIndex] } } @@ -721,6 +720,10 @@ type PhysicalHashJoin struct { // use the outer table to build a hash table when the outer table is smaller. UseOuterToBuild bool + + // on which store the join executes. + storeTp kv.StoreType + globalChildIndex int } // Clone implements PhysicalPlan interface. @@ -841,90 +844,23 @@ type PhysicalMergeJoin struct { Desc bool } -// PhysicalBroadCastJoin only works for TiFlash Engine, which broadcast the small table to every replica of probe side of tables. -type PhysicalBroadCastJoin struct { - basePhysicalJoin - EqualConditions []*expression.ScalarFunction - globalChildIndex int -} - -// PhysicalExchangerBase is the common part of Exchanger and ExchangerClient. -type PhysicalExchangerBase struct { - basePhysicalPlan -} - // PhysicalExchangeReceiver accepts connection and receives data passively. type PhysicalExchangeReceiver struct { - PhysicalExchangerBase + basePhysicalPlan Tasks []*kv.MPPTask ChildPf *Fragment } -// ToPB generates the pb structure. -func (e *PhysicalExchangeReceiver) ToPB(ctx sessionctx.Context, storeType kv.StoreType) (*tipb.Executor, error) { - encodedTask := make([][]byte, 0, len(e.Tasks)) - - for _, task := range e.Tasks { - encodedStr, err := task.ToPB().Marshal() - if err != nil { - return nil, errors.Trace(err) - } - encodedTask = append(encodedTask, encodedStr) - } - - fieldTypes := make([]*tipb.FieldType, 0, len(e.ChildPf.Schema().Columns)) - for _, column := range e.ChildPf.Schema().Columns { - fieldTypes = append(fieldTypes, expression.ToPBFieldType(column.RetType)) - } - ecExec := &tipb.ExchangeReceiver{ - EncodedTaskMeta: encodedTask, - FieldTypes: fieldTypes, - } - executorID := e.ExplainID().String() - return &tipb.Executor{ - Tp: tipb.ExecType_TypeExchangeReceiver, - ExchangeReceiver: ecExec, - ExecutorId: &executorID, - }, nil -} - // PhysicalExchangeSender dispatches data to upstream tasks. That means push mode processing, type PhysicalExchangeSender struct { - PhysicalExchangerBase + basePhysicalPlan Tasks []*kv.MPPTask ExchangeType tipb.ExchangeType -} - -// ToPB generates the pb structure. -func (e *PhysicalExchangeSender) ToPB(ctx sessionctx.Context, storeType kv.StoreType) (*tipb.Executor, error) { - child, err := e.Children()[0].ToPB(ctx, kv.TiFlash) - if err != nil { - return nil, errors.Trace(err) - } + HashCols []*expression.Column - encodedTask := make([][]byte, 0, len(e.Tasks)) - - for _, task := range e.Tasks { - encodedStr, err := task.ToPB().Marshal() - if err != nil { - return nil, errors.Trace(err) - } - encodedTask = append(encodedTask, encodedStr) - } - - ecExec := &tipb.ExchangeSender{ - Tp: e.ExchangeType, - EncodedTaskMeta: encodedTask, - Child: child, - } - executorID := e.ExplainID().String() - return &tipb.Executor{ - Tp: tipb.ExecType_TypeExchangeSender, - ExchangeSender: ecExec, - ExecutorId: &executorID, - }, nil + Fragment *Fragment } // Clone implements PhysicalPlan interface. diff --git a/planner/core/plan.go b/planner/core/plan.go index 7bb178f85df17..08cf8fcd873c9 100644 --- a/planner/core/plan.go +++ b/planner/core/plan.go @@ -67,10 +67,16 @@ type Plan interface { } func enforceProperty(p *property.PhysicalProperty, tsk task, ctx sessionctx.Context) task { + if p.TaskTp == property.MppTaskType { + if mpp, ok := tsk.(*mppTask); ok && !mpp.invalid() { + return mpp.enforceExchanger(p) + } + return &mppTask{} + } if p.IsEmpty() || tsk.plan() == nil { return tsk } - tsk = finishCopTask(ctx, tsk) + tsk = tsk.convertToRootTask(ctx) sortReqProp := &property.PhysicalProperty{TaskTp: property.RootTaskType, SortItems: p.SortItems, ExpectedCnt: math.MaxFloat64} sort := PhysicalSort{ByItems: make([]*util.ByItems, 0, len(p.SortItems))}.Init(ctx, tsk.plan().statsInfo(), tsk.plan().SelectBlockOffset(), sortReqProp) for _, col := range p.SortItems { diff --git a/planner/core/plan_to_pb.go b/planner/core/plan_to_pb.go index 8ae2f76b04ca1..385ab9aadfbaf 100644 --- a/planner/core/plan_to_pb.go +++ b/planner/core/plan_to_pb.go @@ -198,6 +198,73 @@ func findColumnInfoByID(infos []*model.ColumnInfo, id int64) *model.ColumnInfo { return nil } +// ToPB generates the pb structure. +func (e *PhysicalExchangeSender) ToPB(ctx sessionctx.Context, storeType kv.StoreType) (*tipb.Executor, error) { + child, err := e.Children()[0].ToPB(ctx, kv.TiFlash) + if err != nil { + return nil, errors.Trace(err) + } + + encodedTask := make([][]byte, 0, len(e.Tasks)) + + for _, task := range e.Tasks { + encodedStr, err := task.ToPB().Marshal() + if err != nil { + return nil, errors.Trace(err) + } + encodedTask = append(encodedTask, encodedStr) + } + + hashCols := make([]expression.Expression, 0, len(e.HashCols)) + for _, col := range e.HashCols { + hashCols = append(hashCols, col) + } + hashColPb, err := expression.ExpressionsToPBList(ctx.GetSessionVars().StmtCtx, hashCols, ctx.GetClient()) + if err != nil { + return nil, errors.Trace(err) + } + ecExec := &tipb.ExchangeSender{ + Tp: e.ExchangeType, + EncodedTaskMeta: encodedTask, + PartitionKeys: hashColPb, + Child: child, + } + executorID := e.ExplainID().String() + return &tipb.Executor{ + Tp: tipb.ExecType_TypeExchangeSender, + ExchangeSender: ecExec, + ExecutorId: &executorID, + }, nil +} + +// ToPB generates the pb structure. +func (e *PhysicalExchangeReceiver) ToPB(ctx sessionctx.Context, storeType kv.StoreType) (*tipb.Executor, error) { + encodedTask := make([][]byte, 0, len(e.Tasks)) + + for _, task := range e.Tasks { + encodedStr, err := task.ToPB().Marshal() + if err != nil { + return nil, errors.Trace(err) + } + encodedTask = append(encodedTask, encodedStr) + } + + fieldTypes := make([]*tipb.FieldType, 0, len(e.Schema().Columns)) + for _, column := range e.Schema().Columns { + fieldTypes = append(fieldTypes, expression.ToPBFieldType(column.RetType)) + } + ecExec := &tipb.ExchangeReceiver{ + EncodedTaskMeta: encodedTask, + FieldTypes: fieldTypes, + } + executorID := e.ExplainID().String() + return &tipb.Executor{ + Tp: tipb.ExecType_TypeExchangeReceiver, + ExchangeReceiver: ecExec, + ExecutorId: &executorID, + }, nil +} + // ToPB implements PhysicalPlan ToPB interface. func (p *PhysicalIndexScan) ToPB(ctx sessionctx.Context, _ kv.StoreType) (*tipb.Executor, error) { columns := make([]*model.ColumnInfo, 0, p.schema.Len()) @@ -231,7 +298,7 @@ func (p *PhysicalIndexScan) ToPB(ctx sessionctx.Context, _ kv.StoreType) (*tipb. } // ToPB implements PhysicalPlan ToPB interface. -func (p *PhysicalBroadCastJoin) ToPB(ctx sessionctx.Context, storeType kv.StoreType) (*tipb.Executor, error) { +func (p *PhysicalHashJoin) ToPB(ctx sessionctx.Context, storeType kv.StoreType) (*tipb.Executor, error) { sc := ctx.GetSessionVars().StmtCtx client := ctx.GetClient() leftJoinKeys := make([]expression.Expression, 0, len(p.LeftJoinKeys)) diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index 4ff313d402487..bcacb08366887 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -1276,7 +1276,7 @@ func (b *PlanBuilder) buildPhysicalIndexLookUpReader(ctx context.Context, dbName extraHandleCol: extraCol, commonHandleCols: commonCols, } - rootT := finishCopTask(b.ctx, cop).(*rootTask) + rootT := cop.convertToRootTask(b.ctx) if err := rootT.p.ResolveIndices(); err != nil { return nil, err } diff --git a/planner/core/resolve_indices.go b/planner/core/resolve_indices.go index e3168f2900e14..569dda5d431b7 100644 --- a/planner/core/resolve_indices.go +++ b/planner/core/resolve_indices.go @@ -113,49 +113,6 @@ func (p *PhysicalHashJoin) ResolveIndices() (err error) { return } -// ResolveIndices implements Plan interface. -func (p *PhysicalBroadCastJoin) ResolveIndices() (err error) { - err = p.physicalSchemaProducer.ResolveIndices() - if err != nil { - return err - } - lSchema := p.children[0].Schema() - rSchema := p.children[1].Schema() - for i, col := range p.LeftJoinKeys { - newKey, err := col.ResolveIndices(lSchema) - if err != nil { - return err - } - p.LeftJoinKeys[i] = newKey.(*expression.Column) - } - for i, col := range p.RightJoinKeys { - newKey, err := col.ResolveIndices(rSchema) - if err != nil { - return err - } - p.RightJoinKeys[i] = newKey.(*expression.Column) - } - for i, expr := range p.LeftConditions { - p.LeftConditions[i], err = expr.ResolveIndices(lSchema) - if err != nil { - return err - } - } - for i, expr := range p.RightConditions { - p.RightConditions[i], err = expr.ResolveIndices(rSchema) - if err != nil { - return err - } - } - for i, expr := range p.OtherConditions { - p.OtherConditions[i], err = expr.ResolveIndices(expression.MergeSchema(lSchema, rSchema)) - if err != nil { - return err - } - } - return -} - // ResolveIndices implements Plan interface. func (p *PhysicalMergeJoin) ResolveIndices() (err error) { err = p.physicalSchemaProducer.ResolveIndices() diff --git a/planner/core/stringer.go b/planner/core/stringer.go index a7a5e02e95873..3b62bd439f8aa 100644 --- a/planner/core/stringer.go +++ b/planner/core/stringer.go @@ -37,6 +37,7 @@ func toString(in Plan, strs []string, idxs []int) ([]string, []int) { for _, c := range x.Children() { strs, idxs = toString(c, strs, idxs) } + case *PhysicalExchangeReceiver: // do nothing case PhysicalPlan: if len(x.Children()) > 1 { idxs = append(idxs, len(strs)) @@ -282,6 +283,18 @@ func toString(in Plan, strs []string, idxs []int) ([]string, []int) { } else { str += fmt.Sprintf("Handle(%s.%s)%v)", x.TblInfo.Name.L, x.TblInfo.GetPkName().L, x.Handles) } + case *PhysicalExchangeReceiver: + str = fmt.Sprintf("Recv(") + for _, task := range x.Tasks { + str += fmt.Sprintf("%d, ", task.ID) + } + str = fmt.Sprintf(")") + case *PhysicalExchangeSender: + str = fmt.Sprintf("Send(") + for _, task := range x.Tasks { + str += fmt.Sprintf("%d, ", task.ID) + } + str = fmt.Sprintf(")") default: str = fmt.Sprintf("%T", in) } diff --git a/planner/core/task.go b/planner/core/task.go index 65e846d0d6f4b..024d5dcee7b40 100644 --- a/planner/core/task.go +++ b/planner/core/task.go @@ -30,6 +30,13 @@ import ( "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/plancodec" + "github.com/pingcap/tipb/go-tipb" +) + +var ( + _ task = &copTask{} + _ task = &rootTask{} + _ task = &mppTask{} ) // task is a new version of `PhysicalPlanInfo`. It stores cost information for a task. @@ -41,6 +48,7 @@ type task interface { copy() task plan() PhysicalPlan invalid() bool + convertToRootTask(ctx sessionctx.Context) *rootTask } // copTask is a task that runs in a distributed kv store. @@ -167,7 +175,7 @@ func (t *copTask) getStoreType() kv.StoreType { } func (p *basePhysicalPlan) attach2Task(tasks ...task) task { - t := finishCopTask(p.ctx, tasks[0].copy()) + t := tasks[0].convertToRootTask(p.ctx) return attachPlan2Task(p.self, t) } @@ -186,8 +194,8 @@ func (p *PhysicalUnionScan) attach2Task(tasks ...task) task { } func (p *PhysicalApply) attach2Task(tasks ...task) task { - lTask := finishCopTask(p.ctx, tasks[0].copy()) - rTask := finishCopTask(p.ctx, tasks[1].copy()) + lTask := tasks[0].convertToRootTask(p.ctx) + rTask := tasks[1].convertToRootTask(p.ctx) p.SetChildren(lTask.plan(), rTask.plan()) p.schema = BuildPhysicalJoinSchema(p.JoinType, p) return &rootTask{ @@ -225,7 +233,7 @@ func (p *PhysicalApply) GetCost(lCount, rCount, lCost, rCost float64) float64 { func (p *PhysicalIndexMergeJoin) attach2Task(tasks ...task) task { innerTask := p.innerTask - outerTask := finishCopTask(p.ctx, tasks[1-p.InnerChildIdx].copy()) + outerTask := tasks[1-p.InnerChildIdx].convertToRootTask(p.ctx) if p.InnerChildIdx == 1 { p.SetChildren(outerTask.plan(), innerTask.plan()) } else { @@ -302,7 +310,7 @@ func (p *PhysicalIndexMergeJoin) GetCost(outerTask, innerTask task) float64 { func (p *PhysicalIndexHashJoin) attach2Task(tasks ...task) task { innerTask := p.innerTask - outerTask := finishCopTask(p.ctx, tasks[1-p.InnerChildIdx].copy()) + outerTask := tasks[1-p.InnerChildIdx].convertToRootTask(p.ctx) if p.InnerChildIdx == 1 { p.SetChildren(outerTask.plan(), innerTask.plan()) } else { @@ -377,7 +385,7 @@ func (p *PhysicalIndexHashJoin) GetCost(outerTask, innerTask task) float64 { func (p *PhysicalIndexJoin) attach2Task(tasks ...task) task { innerTask := p.innerTask - outerTask := finishCopTask(p.ctx, tasks[1-p.InnerChildIdx].copy()) + outerTask := tasks[1-p.InnerChildIdx].convertToRootTask(p.ctx) if p.InnerChildIdx == 1 { p.SetChildren(outerTask.plan(), innerTask.plan()) } else { @@ -465,7 +473,7 @@ func (p *PhysicalHashJoin) GetCost(lCnt, rCnt float64) float64 { oomUseTmpStorage := config.GetGlobalConfig().OOMUseTmpStorage memQuota := sessVars.StmtCtx.MemTracker.GetBytesLimit() // sessVars.MemQuotaQuery && hint rowSize := getAvgRowSize(build.statsInfo(), build.Schema()) - spill := oomUseTmpStorage && memQuota > 0 && rowSize*buildCnt > float64(memQuota) + spill := oomUseTmpStorage && memQuota > 0 && rowSize*buildCnt > float64(memQuota) && p.storeTp != kv.TiFlash // Cost of building hash table. cpuCost := buildCnt * sessVars.CPUFactor memoryCost := buildCnt * sessVars.MemoryFactor @@ -532,8 +540,11 @@ func (p *PhysicalHashJoin) GetCost(lCnt, rCnt float64) float64 { } func (p *PhysicalHashJoin) attach2Task(tasks ...task) task { - lTask := finishCopTask(p.ctx, tasks[0].copy()) - rTask := finishCopTask(p.ctx, tasks[1].copy()) + if p.storeTp == kv.TiFlash { + return p.attach2TaskForTiFlash(tasks...) + } + lTask := tasks[0].convertToRootTask(p.ctx) + rTask := tasks[1].convertToRootTask(p.ctx) p.SetChildren(lTask.plan(), rTask.plan()) task := &rootTask{ p: p, @@ -542,54 +553,37 @@ func (p *PhysicalHashJoin) attach2Task(tasks ...task) task { return task } -// GetCost computes cost of broadcast join operator itself. -func (p *PhysicalBroadCastJoin) GetCost(lCnt, rCnt float64) float64 { - buildCnt, probeCnt := lCnt, rCnt - if p.InnerChildIdx == 1 { - buildCnt, probeCnt = rCnt, lCnt - } - sessVars := p.ctx.GetSessionVars() - // Cost of building hash table. - cpuCost := buildCnt * sessVars.CopCPUFactor - memoryCost := buildCnt * sessVars.MemoryFactor - // Number of matched row pairs regarding the equal join conditions. - helper := &fullJoinRowCountHelper{ - cartesian: false, - leftProfile: p.children[0].statsInfo(), - rightProfile: p.children[1].statsInfo(), - leftJoinKeys: p.LeftJoinKeys, - rightJoinKeys: p.RightJoinKeys, - leftSchema: p.children[0].Schema(), - rightSchema: p.children[1].Schema(), - } - numPairs := helper.estimate() - if p.JoinType == SemiJoin || p.JoinType == AntiSemiJoin || p.JoinType == LeftOuterSemiJoin || p.JoinType == AntiLeftOuterSemiJoin { - if len(p.OtherConditions) > 0 { - numPairs *= 0.5 - } else { - numPairs = 0 - } - } - probeCost := numPairs * sessVars.CopCPUFactor - if len(p.LeftConditions)+len(p.RightConditions) > 0 { - probeCost *= SelectionFactor - probeCost += probeCnt * sessVars.CPUFactor +func (p *PhysicalHashJoin) attach2TaskForMpp(tasks ...task) task { + lTask, lok := tasks[0].(*mppTask) + rTask, rok := tasks[1].(*mppTask) + if !lok || !rok { + return invalidTask } - // should divided by the concurrency in tiflash, which should be the number of core in tiflash nodes. - probeCost /= float64(sessVars.CopTiFlashConcurrencyFactor) - cpuCost += probeCost + p.SetChildren(lTask.plan(), rTask.plan()) + p.schema = BuildPhysicalJoinSchema(p.JoinType, p) + lCost := lTask.cost() + rCost := rTask.cost() - // todo since TiFlash join is significant faster than TiDB join, maybe - // need to add a variable like 'tiflash_accelerate_factor', and divide - // the final cost by that factor - return cpuCost + memoryCost + outerTask := tasks[1-p.InnerChildIdx].(*mppTask) + receivers := make([]*PhysicalExchangeReceiver, 0) + receivers = append(receivers, lTask.receivers...) + receivers = append(receivers, rTask.receivers...) + task := &mppTask{ + cst: lCost + rCost + p.GetCost(lTask.count(), rTask.count()), + p: p, + partTp: outerTask.partTp, + hashCols: outerTask.hashCols, + ts: outerTask.ts, + receivers: receivers, + } + return task } -func (p *PhysicalBroadCastJoin) attach2Task(tasks ...task) task { +func (p *PhysicalHashJoin) attach2TaskForTiFlash(tasks ...task) task { lTask, lok := tasks[0].(*copTask) rTask, rok := tasks[1].(*copTask) - if !lok || !rok || (lTask.getStoreType() != kv.TiFlash && rTask.getStoreType() != kv.TiFlash) { - return invalidTask + if !lok || !rok { + return p.attach2TaskForMpp(tasks...) } p.SetChildren(lTask.plan(), rTask.plan()) p.schema = BuildPhysicalJoinSchema(p.JoinType, p) @@ -659,8 +653,8 @@ func (p *PhysicalMergeJoin) GetCost(lCnt, rCnt float64) float64 { } func (p *PhysicalMergeJoin) attach2Task(tasks ...task) task { - lTask := finishCopTask(p.ctx, tasks[0].copy()) - rTask := finishCopTask(p.ctx, tasks[1].copy()) + lTask := tasks[0].convertToRootTask(p.ctx) + rTask := tasks[1].convertToRootTask(p.ctx) p.SetChildren(lTask.plan(), rTask.plan()) return &rootTask{ p: p, @@ -720,12 +714,16 @@ func buildIndexLookUpTask(ctx sessionctx.Context, t *copTask) *rootTask { return newTask } -// finishCopTask means we close the coprocessor task and create a root task. -func finishCopTask(ctx sessionctx.Context, task task) task { - t, ok := task.(*copTask) - if !ok { - return task - } +func (t *rootTask) convertToRootTask(_ sessionctx.Context) *rootTask { + return t.copy().(*rootTask) +} + +func (t *copTask) convertToRootTask(ctx sessionctx.Context) *rootTask { + // copy one to avoid changing itself. + return t.copy().(*copTask).convertToRootTaskImpl(ctx) +} + +func (t *copTask) convertToRootTaskImpl(ctx sessionctx.Context) *rootTask { sessVars := ctx.GetSessionVars() // copTasks are run in parallel, to make the estimated cost closer to execution time, we amortize // the cost to cop iterator workers. According to `CopClient::Send`, the concurrency @@ -744,7 +742,7 @@ func finishCopTask(ctx sessionctx.Context, task task) task { if len(tp.Children()) == 1 { tp = tp.Children()[0] } else { - join := tp.(*PhysicalBroadCastJoin) + join := tp.(*PhysicalHashJoin) tp = join.children[1-join.InnerChildIdx] } } @@ -784,7 +782,7 @@ func finishCopTask(ctx sessionctx.Context, task task) task { if len(tp.Children()) == 1 { tp = tp.Children()[0] } else { - join := tp.(*PhysicalBroadCastJoin) + join := tp.(*PhysicalHashJoin) tp = join.children[1-join.InnerChildIdx] } } @@ -873,7 +871,7 @@ func (p *PhysicalLimit) attach2Task(tasks ...task) task { // Don't use clone() so that Limit and its children share the same schema. Otherwise the virtual generated column may not be resolved right. pushedDownLimit.SetSchema(pushedDownLimit.children[0].Schema()) } - t = finishCopTask(p.ctx, cop) + t = cop.convertToRootTask(p.ctx) sunk = p.sinkIntoIndexLookUp(t) } if sunk { @@ -1025,10 +1023,9 @@ func (p *PhysicalTopN) attach2Task(tasks ...task) task { } copTask.addCost(pushedDownTopN.GetCost(inputCount, false)) } - rootTask := finishCopTask(p.ctx, t) + rootTask := t.convertToRootTask(p.ctx) rootTask.addCost(p.GetCost(rootTask.count(), true)) - rootTask = attachPlan2Task(p, rootTask) - return rootTask + return attachPlan2Task(p, rootTask) } // GetCost computes the cost of projection operator itself. @@ -1045,11 +1042,8 @@ func (p *PhysicalProjection) GetCost(count float64) float64 { } func (p *PhysicalProjection) attach2Task(tasks ...task) task { - t := tasks[0].copy() - if copTask, ok := t.(*copTask); ok { - // TODO: support projection push down. - t = finishCopTask(p.ctx, copTask) - } + // TODO: support projection push down. + var t task = tasks[0].convertToRootTask(p.ctx) t = attachPlan2Task(p, t) t.addCost(p.GetCost(t.count())) return t @@ -1060,7 +1054,7 @@ func (p *PhysicalUnionAll) attach2Task(tasks ...task) task { childPlans := make([]PhysicalPlan, 0, len(tasks)) var childMaxCost float64 for _, task := range tasks { - task = finishCopTask(p.ctx, task) + task = task.convertToRootTask(p.ctx) childCost := task.cost() if childCost > childMaxCost { childMaxCost = childCost @@ -1076,10 +1070,9 @@ func (p *PhysicalUnionAll) attach2Task(tasks ...task) task { func (sel *PhysicalSelection) attach2Task(tasks ...task) task { sessVars := sel.ctx.GetSessionVars() - t := finishCopTask(sel.ctx, tasks[0].copy()) + t := tasks[0].convertToRootTask(sel.ctx) t.addCost(t.count() * sessVars.CPUFactor) - t = attachPlan2Task(sel, t) - return t + return attachPlan2Task(sel, t) } // CheckAggCanPushCop checks whether the aggFuncs and groupByItems can @@ -1405,7 +1398,7 @@ func (p *PhysicalStreamAgg) attach2Task(tasks ...task) task { // The `extraHandleCol` is added if the double read needs to keep order. So we just use it to decided // whether the following plan is double read with order reserved. if cop.extraHandleCol != nil || len(cop.rootTaskConds) > 0 { - t = finishCopTask(p.ctx, cop) + t = cop.convertToRootTask(p.ctx) inputRows = t.count() attachPlan2Task(p, t) } else { @@ -1422,7 +1415,7 @@ func (p *PhysicalStreamAgg) attach2Task(tasks ...task) task { } cop.addCost(p.GetCost(inputRows, false)) } - t = finishCopTask(p.ctx, cop) + t = cop.convertToRootTask(p.ctx) inputRows = t.count() attachPlan2Task(finalAgg, t) } @@ -1490,14 +1483,23 @@ func (p *PhysicalHashAgg) attach2Task(tasks ...task) task { // column may be independent of the column used for region distribution, so a closer // estimation of network cost for hash aggregation may multiply the number of // regions involved in the `partialAgg`, which is unknown however. - t = finishCopTask(p.ctx, cop) + t = cop.convertToRootTask(p.ctx) inputRows = t.count() attachPlan2Task(finalAgg, t) } else { - t = finishCopTask(p.ctx, cop) + t = cop.convertToRootTask(p.ctx) inputRows = t.count() attachPlan2Task(p, t) } + } else if mpp, ok := t.(*mppTask); ok { + partialAgg, finalAgg := p.newPartialAggregate(kv.TiFlash) + if partialAgg != nil { + partialAgg.SetChildren(mpp.p) + mpp.p = partialAgg + } + t = mpp.convertToRootTask(p.ctx) + inputRows = t.count() + attachPlan2Task(finalAgg, t) } else { attachPlan2Task(p, t) } @@ -1541,3 +1543,121 @@ func (p *PhysicalHashAgg) GetCost(inputRows float64, isRoot bool) float64 { memoryCost += inputRows * distinctFactor * sessVars.MemoryFactor * float64(numDistinctFunc) return cpuCost + memoryCost } + +// mppTask can not : +// 1. keep order +// 2. support double read +// 3. consider virtual columns. +// 4. TODO: partition prune after close +type mppTask struct { + p PhysicalPlan + cst float64 + + partTp property.PartitionType + hashCols []*expression.Column + + ts *PhysicalTableScan + receivers []*PhysicalExchangeReceiver +} + +func (t *mppTask) count() float64 { + return t.p.statsInfo().RowCount +} + +func (t *mppTask) addCost(cst float64) { + t.cst += cst +} + +func (t *mppTask) cost() float64 { + return t.cst +} + +func (t *mppTask) copy() task { + nt := *t + return &nt +} + +func (t *mppTask) plan() PhysicalPlan { + return t.p +} + +func (t *mppTask) invalid() bool { + return t.p == nil +} + +func (t *mppTask) convertToRootTask(ctx sessionctx.Context) *rootTask { + return t.copy().(*mppTask).convertToRootTaskImpl(ctx) +} + +func (t *mppTask) convertToRootTaskImpl(ctx sessionctx.Context) *rootTask { + sender := PhysicalExchangeSender{ + ExchangeType: tipb.ExchangeType_PassThrough, + }.Init(ctx, t.p.statsInfo()) + sender.SetChildren(t.p) + sender.Fragment = &Fragment{ExchangeReceivers: t.receivers, ExchangeSender: sender, TableScan: t.ts} + + p := PhysicalTableReader{ + tablePlan: sender, + StoreType: kv.TiFlash, + }.Init(ctx, t.p.SelectBlockOffset()) + p.stats = t.p.statsInfo() + return &rootTask{ + p: p, + cst: t.cst / 20, // TODO: This is tricky because mpp doesn't run in a coprocessor way. + } +} + +func (t *mppTask) needEnforce(prop *property.PhysicalProperty) bool { + switch prop.PartitionTp { + case property.AnyType: + return false + case property.BroadcastType: + return true + default: + if t.partTp != property.HashType { + return true + } + // TODO: consider equalivant class + if len(prop.PartitionCols) != len(t.hashCols) { + return true + } + for i, col := range prop.PartitionCols { + if !col.Equal(nil, t.hashCols[i]) { + return true + } + } + return false + } +} + +func (t *mppTask) enforceExchanger(prop *property.PhysicalProperty) *mppTask { + if len(prop.SortItems) != 0 { + return &mppTask{} + } + if !t.needEnforce(prop) { + return t + } + return t.copy().(*mppTask).enforceExchangerImpl(prop) +} + +func (t *mppTask) enforceExchangerImpl(prop *property.PhysicalProperty) *mppTask { + ctx := t.p.SCtx() + sender := PhysicalExchangeSender{ + ExchangeType: tipb.ExchangeType(prop.PartitionTp), + HashCols: prop.PartitionCols, + }.Init(ctx, t.p.statsInfo()) + sender.SetChildren(t.p) + f := &Fragment{ExchangeSender: sender, TableScan: t.ts, ExchangeReceivers: t.receivers} + sender.Fragment = f + receiver := PhysicalExchangeReceiver{ + ChildPf: f, + }.Init(ctx, t.p.statsInfo()) + receiver.SetChildren(sender) + return &mppTask{ + p: receiver, + cst: t.cst, + partTp: prop.PartitionTp, + hashCols: prop.PartitionCols, + receivers: []*PhysicalExchangeReceiver{receiver}, + } +} diff --git a/planner/core/testdata/integration_serial_suite_in.json b/planner/core/testdata/integration_serial_suite_in.json index 0fc61327cc393..8b5cf78316eba 100644 --- a/planner/core/testdata/integration_serial_suite_in.json +++ b/planner/core/testdata/integration_serial_suite_in.json @@ -8,6 +8,45 @@ "explain select * from t where b > 'a' order by b limit 2" ] }, + { + "name": "TestMPPJoin", + "cases": [ + "explain select count(*) from fact_t, d1_t where fact_t.d1_k = d1_t.d1_k", + "explain select count(*) from fact_t, d1_t, d2_t, d3_t where fact_t.d1_k = d1_t.d1_k and fact_t.d2_k = d2_t.d2_k and fact_t.d3_k = d3_t.d3_k", + "explain select count(*) from fact_t, d1_t where fact_t.d1_k = d1_t.d1_k", + "explain select count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k", + "explain select count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k", + "explain select count(*) from fact_t join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col1 > d1_t.value", + "explain select count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col1 > 10", + "explain select count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col2 > 10 and fact_t.col1 > d1_t.value", + "explain select count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k and d1_t.value > 10", + "explain select count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k and d1_t.value > 10 and fact_t.col1 > d1_t.value", + "explain select count(*) from fact_t where exists (select 1 from d1_t where d1_k = fact_t.d1_k)", + "explain select count(*) from fact_t where exists (select 1 from d1_t where d1_k = fact_t.d1_k and value > fact_t.col1)", + "explain select count(*) from fact_t where not exists (select 1 from d1_t where d1_k = fact_t.d1_k)", + "explain select count(*) from fact_t where not exists (select 1 from d1_t where d1_k = fact_t.d1_k and value > fact_t.col1)" + ] + }, + { + "name": "TestMPPShuffledJoin", + "cases": [ + "explain select count(*) from fact_t, d1_t where fact_t.d1_k = d1_t.d1_k", + "explain select count(*) from fact_t, d1_t, d2_t, d3_t where fact_t.d1_k = d1_t.d1_k and fact_t.d2_k = d2_t.d2_k and fact_t.d3_k = d3_t.d3_k", + "explain select count(*) from fact_t, d1_t where fact_t.d1_k = d1_t.d1_k", + "explain select count(*) from fact_t, d1_t, d2_t, d3_t where fact_t.d1_k = d1_t.d1_k and fact_t.d1_k = d2_t.value and fact_t.d1_k = d3_t.value", + "explain select count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k", + "explain select count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k", + "explain select count(*) from fact_t join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col1 > d1_t.value", + "explain select count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col1 > 10", + "explain select count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col2 > 10 and fact_t.col1 > d1_t.value", + "explain select count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k and d1_t.value > 10", + "explain select count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k and d1_t.value > 10 and fact_t.col1 > d1_t.value", + "explain select count(*) from fact_t where exists (select 1 from d1_t where d1_k = fact_t.d1_k)", + "explain select count(*) from fact_t where exists (select 1 from d1_t where d1_k = fact_t.d1_k and value > fact_t.col1)", + "explain select count(*) from fact_t where not exists (select 1 from d1_t where d1_k = fact_t.d1_k)", + "explain select count(*) from fact_t where not exists (select 1 from d1_t where d1_k = fact_t.d1_k and value > fact_t.col1)" + ] + }, { "name": "TestBroadcastJoin", "cases": [ diff --git a/planner/core/testdata/integration_serial_suite_out.json b/planner/core/testdata/integration_serial_suite_out.json index 1ae750d177e2d..4e186a268a946 100644 --- a/planner/core/testdata/integration_serial_suite_out.json +++ b/planner/core/testdata/integration_serial_suite_out.json @@ -42,6 +42,495 @@ } ] }, + { + "Name": "TestMPPJoin", + "Cases": [ + { + "SQL": "explain select count(*) from fact_t, d1_t where fact_t.d1_k = d1_t.d1_k", + "Plan": [ + "StreamAgg_10 1.00 root funcs:count(1)->Column#11", + "└─TableReader_32 8.00 root data:ExchangeSender_31", + " └─ExchangeSender_31 8.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_28 8.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", + " ├─ExchangeReceiver_17(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_16 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_15 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_14 2.00 cop[tiflash] table:d1_t keep order:false", + " └─Selection_19(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_18 8.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t, d1_t, d2_t, d3_t where fact_t.d1_k = d1_t.d1_k and fact_t.d2_k = d2_t.d2_k and fact_t.d3_k = d3_t.d3_k", + "Plan": [ + "StreamAgg_17 1.00 root funcs:count(1)->Column#17", + "└─TableReader_65 8.00 root data:ExchangeSender_64", + " └─ExchangeSender_64 8.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_61 8.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d3_k, test.d3_t.d3_k)]", + " ├─ExchangeReceiver_36(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_35 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_34 2.00 cop[tiflash] not(isnull(test.d3_t.d3_k))", + " │ └─TableFullScan_33 2.00 cop[tiflash] table:d3_t keep order:false", + " └─HashJoin_21(Probe) 8.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d2_k, test.d2_t.d2_k)]", + " ├─ExchangeReceiver_32(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_31 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_30 2.00 cop[tiflash] not(isnull(test.d2_t.d2_k))", + " │ └─TableFullScan_29 2.00 cop[tiflash] table:d2_t keep order:false", + " └─HashJoin_22(Probe) 8.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", + " ├─ExchangeReceiver_26(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_25 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_24 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_23 2.00 cop[tiflash] table:d1_t keep order:false", + " └─Selection_28(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k)), not(isnull(test.fact_t.d2_k)), not(isnull(test.fact_t.d3_k))", + " └─TableFullScan_27 8.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t, d1_t where fact_t.d1_k = d1_t.d1_k", + "Plan": [ + "StreamAgg_10 1.00 root funcs:count(1)->Column#11", + "└─TableReader_32 8.00 root data:ExchangeSender_31", + " └─ExchangeSender_31 8.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_28 8.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", + " ├─ExchangeReceiver_17(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_16 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_15 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_14 2.00 cop[tiflash] table:d1_t keep order:false", + " └─Selection_19(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_18 8.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k", + "Plan": [ + "StreamAgg_8 1.00 root funcs:count(1)->Column#11", + "└─TableReader_28 8.00 root data:ExchangeSender_27", + " └─ExchangeSender_27 8.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_24 8.00 cop[tiflash] left outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)]", + " ├─ExchangeReceiver_16(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_15 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_14 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_13 2.00 cop[tiflash] table:d1_t keep order:false", + " └─TableFullScan_12(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k", + "Plan": [ + "StreamAgg_8 1.00 root funcs:count(1)->Column#11", + "└─TableReader_28 8.00 root data:ExchangeSender_27", + " └─ExchangeSender_27 8.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_24 8.00 cop[tiflash] right outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)]", + " ├─ExchangeReceiver_15(Build) 8.00 cop[tiflash] ", + " │ └─ExchangeSender_14 8.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_13 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " │ └─TableFullScan_12 8.00 cop[tiflash] table:fact_t keep order:false", + " └─TableFullScan_16(Probe) 2.00 cop[tiflash] table:d1_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col1 > d1_t.value", + "Plan": [ + "StreamAgg_9 1.00 root funcs:count(1)->Column#11", + "└─TableReader_31 8.00 root data:ExchangeSender_30", + " └─ExchangeSender_30 8.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_27 8.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)], other cond:gt(test.fact_t.col1, test.d1_t.value)", + " ├─ExchangeReceiver_16(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_15 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_14 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", + " │ └─TableFullScan_13 2.00 cop[tiflash] table:d1_t keep order:false", + " └─Selection_18(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_17 8.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col1 > 10", + "Plan": [ + "StreamAgg_8 1.00 root funcs:count(1)->Column#11", + "└─TableReader_28 8.00 root data:ExchangeSender_27", + " └─ExchangeSender_27 8.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_24 8.00 cop[tiflash] left outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], left cond:[gt(test.fact_t.col1, 10)]", + " ├─ExchangeReceiver_16(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_15 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_14 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_13 2.00 cop[tiflash] table:d1_t keep order:false", + " └─TableFullScan_12(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col2 > 10 and fact_t.col1 > d1_t.value", + "Plan": [ + "StreamAgg_8 1.00 root funcs:count(1)->Column#11", + "└─TableReader_28 8.00 root data:ExchangeSender_27", + " └─ExchangeSender_27 8.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_24 8.00 cop[tiflash] left outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], left cond:[gt(test.fact_t.col2, 10)], other cond:gt(test.fact_t.col1, test.d1_t.value)", + " ├─ExchangeReceiver_16(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_15 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_14 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", + " │ └─TableFullScan_13 2.00 cop[tiflash] table:d1_t keep order:false", + " └─TableFullScan_12(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k and d1_t.value > 10", + "Plan": [ + "StreamAgg_8 1.00 root funcs:count(1)->Column#11", + "└─TableReader_28 8.00 root data:ExchangeSender_27", + " └─ExchangeSender_27 8.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_24 8.00 cop[tiflash] right outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], right cond:gt(test.d1_t.value, 10)", + " ├─ExchangeReceiver_15(Build) 8.00 cop[tiflash] ", + " │ └─ExchangeSender_14 8.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_13 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " │ └─TableFullScan_12 8.00 cop[tiflash] table:fact_t keep order:false", + " └─TableFullScan_16(Probe) 2.00 cop[tiflash] table:d1_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k and d1_t.value > 10 and fact_t.col1 > d1_t.value", + "Plan": [ + "StreamAgg_8 1.00 root funcs:count(1)->Column#11", + "└─TableReader_28 8.00 root data:ExchangeSender_27", + " └─ExchangeSender_27 8.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_24 8.00 cop[tiflash] right outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], right cond:gt(test.d1_t.value, 10), other cond:gt(test.fact_t.col1, test.d1_t.value)", + " ├─ExchangeReceiver_15(Build) 8.00 cop[tiflash] ", + " │ └─ExchangeSender_14 8.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_13 8.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", + " │ └─TableFullScan_12 8.00 cop[tiflash] table:fact_t keep order:false", + " └─TableFullScan_16(Probe) 2.00 cop[tiflash] table:d1_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t where exists (select 1 from d1_t where d1_k = fact_t.d1_k)", + "Plan": [ + "StreamAgg_11 1.00 root funcs:count(1)->Column#12", + "└─TableReader_31 6.40 root data:ExchangeSender_30", + " └─ExchangeSender_30 6.40 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_28 6.40 cop[tiflash] semi join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)]", + " ├─ExchangeReceiver_19(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_18 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_17 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_16 2.00 cop[tiflash] table:d1_t keep order:false", + " └─Selection_15(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_14 8.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t where exists (select 1 from d1_t where d1_k = fact_t.d1_k and value > fact_t.col1)", + "Plan": [ + "StreamAgg_11 1.00 root funcs:count(1)->Column#12", + "└─TableReader_31 6.40 root data:ExchangeSender_30", + " └─ExchangeSender_30 6.40 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_28 6.40 cop[tiflash] semi join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], other cond:gt(test.d1_t.value, test.fact_t.col1)", + " ├─ExchangeReceiver_19(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_18 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_17 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", + " │ └─TableFullScan_16 2.00 cop[tiflash] table:d1_t keep order:false", + " └─Selection_15(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_14 8.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t where not exists (select 1 from d1_t where d1_k = fact_t.d1_k)", + "Plan": [ + "StreamAgg_11 1.00 root funcs:count(1)->Column#12", + "└─TableReader_27 6.40 root data:ExchangeSender_26", + " └─ExchangeSender_26 6.40 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_24 6.40 cop[tiflash] anti semi join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)]", + " ├─ExchangeReceiver_17(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_16 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─TableFullScan_15 2.00 cop[tiflash] table:d1_t keep order:false", + " └─TableFullScan_14(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t where not exists (select 1 from d1_t where d1_k = fact_t.d1_k and value > fact_t.col1)", + "Plan": [ + "StreamAgg_11 1.00 root funcs:count(1)->Column#12", + "└─TableReader_27 6.40 root data:ExchangeSender_26", + " └─ExchangeSender_26 6.40 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_24 6.40 cop[tiflash] anti semi join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], other cond:gt(test.d1_t.value, test.fact_t.col1)", + " ├─ExchangeReceiver_17(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_16 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─TableFullScan_15 2.00 cop[tiflash] table:d1_t keep order:false", + " └─TableFullScan_14(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" + ] + } + ] + }, + { + "Name": "TestMPPShuffledJoin", + "Cases": [ + { + "SQL": "explain select count(*) from fact_t, d1_t where fact_t.d1_k = d1_t.d1_k", + "Plan": [ + "HashAgg_9 1.00 root funcs:count(1)->Column#11", + "└─TableReader_23 32.00 root data:ExchangeSender_22", + " └─ExchangeSender_22 32.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_11 32.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", + " ├─ExchangeReceiver_17(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_16 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " │ └─Selection_15 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_14 4.00 cop[tiflash] table:d1_t keep order:false", + " └─ExchangeReceiver_21(Probe) 16.00 cop[tiflash] ", + " └─ExchangeSender_20 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " └─Selection_19 16.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_18 16.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t, d1_t, d2_t, d3_t where fact_t.d1_k = d1_t.d1_k and fact_t.d2_k = d2_t.d2_k and fact_t.d3_k = d3_t.d3_k", + "Plan": [ + "HashAgg_16 1.00 root funcs:count(1)->Column#17", + "└─TableReader_44 128.00 root data:ExchangeSender_43", + " └─ExchangeSender_43 128.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_18 128.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d3_k, test.d3_t.d3_k)]", + " ├─ExchangeReceiver_42(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_41 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d3_t.d3_k", + " │ └─Selection_40 4.00 cop[tiflash] not(isnull(test.d3_t.d3_k))", + " │ └─TableFullScan_39 4.00 cop[tiflash] table:d3_t keep order:false", + " └─ExchangeReceiver_38(Probe) 64.00 cop[tiflash] ", + " └─ExchangeSender_37 64.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d3_k", + " └─HashJoin_21 64.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d2_k, test.d2_t.d2_k)]", + " ├─ExchangeReceiver_36(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_35 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d2_t.d2_k", + " │ └─Selection_34 4.00 cop[tiflash] not(isnull(test.d2_t.d2_k))", + " │ └─TableFullScan_33 4.00 cop[tiflash] table:d2_t keep order:false", + " └─ExchangeReceiver_32(Probe) 32.00 cop[tiflash] ", + " └─ExchangeSender_31 32.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d2_k", + " └─HashJoin_22 32.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", + " ├─ExchangeReceiver_26(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_25 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " │ └─Selection_24 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_23 4.00 cop[tiflash] table:d1_t keep order:false", + " └─ExchangeReceiver_30(Probe) 16.00 cop[tiflash] ", + " └─ExchangeSender_29 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " └─Selection_28 16.00 cop[tiflash] not(isnull(test.fact_t.d1_k)), not(isnull(test.fact_t.d2_k)), not(isnull(test.fact_t.d3_k))", + " └─TableFullScan_27 16.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t, d1_t where fact_t.d1_k = d1_t.d1_k", + "Plan": [ + "HashAgg_9 1.00 root funcs:count(1)->Column#11", + "└─TableReader_23 32.00 root data:ExchangeSender_22", + " └─ExchangeSender_22 32.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_11 32.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", + " ├─ExchangeReceiver_17(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_16 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " │ └─Selection_15 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_14 4.00 cop[tiflash] table:d1_t keep order:false", + " └─ExchangeReceiver_21(Probe) 16.00 cop[tiflash] ", + " └─ExchangeSender_20 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " └─Selection_19 16.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_18 16.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t, d1_t, d2_t, d3_t where fact_t.d1_k = d1_t.d1_k and fact_t.d1_k = d2_t.value and fact_t.d1_k = d3_t.value", + "Plan": [ + "HashAgg_16 1.00 root funcs:count(1)->Column#17", + "└─TableReader_42 128.00 root data:ExchangeSender_41", + " └─ExchangeSender_41 128.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_18 128.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d1_k, test.d3_t.value)]", + " ├─ExchangeReceiver_40(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_39 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d3_t.value", + " │ └─Selection_38 4.00 cop[tiflash] not(isnull(test.d3_t.value))", + " │ └─TableFullScan_37 4.00 cop[tiflash] table:d3_t keep order:false", + " └─HashJoin_21(Probe) 64.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d1_k, test.d2_t.value)]", + " ├─ExchangeReceiver_36(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_35 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d2_t.value", + " │ └─Selection_34 4.00 cop[tiflash] not(isnull(test.d2_t.value))", + " │ └─TableFullScan_33 4.00 cop[tiflash] table:d2_t keep order:false", + " └─HashJoin_23(Probe) 32.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", + " ├─ExchangeReceiver_28(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_27 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " │ └─Selection_26 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_25 4.00 cop[tiflash] table:d1_t keep order:false", + " └─ExchangeReceiver_32(Probe) 16.00 cop[tiflash] ", + " └─ExchangeSender_31 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " └─Selection_30 16.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_29 16.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k", + "Plan": [ + "HashAgg_7 1.00 root funcs:count(1)->Column#11", + "└─TableReader_20 32.00 root data:ExchangeSender_19", + " └─ExchangeSender_19 32.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_9 32.00 cop[tiflash] left outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)]", + " ├─ExchangeReceiver_18(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_17 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " │ └─Selection_16 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_15 4.00 cop[tiflash] table:d1_t keep order:false", + " └─ExchangeReceiver_14(Probe) 16.00 cop[tiflash] ", + " └─ExchangeSender_13 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " └─TableFullScan_12 16.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k", + "Plan": [ + "HashAgg_7 1.00 root funcs:count(1)->Column#11", + "└─TableReader_20 32.00 root data:ExchangeSender_19", + " └─ExchangeSender_19 32.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_9 32.00 cop[tiflash] right outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)]", + " ├─ExchangeReceiver_15(Build) 16.00 cop[tiflash] ", + " │ └─ExchangeSender_14 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " │ └─Selection_13 16.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " │ └─TableFullScan_12 16.00 cop[tiflash] table:fact_t keep order:false", + " └─ExchangeReceiver_18(Probe) 4.00 cop[tiflash] ", + " └─ExchangeSender_17 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " └─TableFullScan_16 4.00 cop[tiflash] table:d1_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col1 > d1_t.value", + "Plan": [ + "HashAgg_8 1.00 root funcs:count(1)->Column#11", + "└─TableReader_22 32.00 root data:ExchangeSender_21", + " └─ExchangeSender_21 32.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_10 32.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)], other cond:gt(test.fact_t.col1, test.d1_t.value)", + " ├─ExchangeReceiver_16(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_15 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " │ └─Selection_14 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", + " │ └─TableFullScan_13 4.00 cop[tiflash] table:d1_t keep order:false", + " └─ExchangeReceiver_20(Probe) 16.00 cop[tiflash] ", + " └─ExchangeSender_19 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " └─Selection_18 16.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_17 16.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col1 > 10", + "Plan": [ + "HashAgg_7 1.00 root funcs:count(1)->Column#11", + "└─TableReader_20 32.00 root data:ExchangeSender_19", + " └─ExchangeSender_19 32.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_9 32.00 cop[tiflash] left outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], left cond:[gt(test.fact_t.col1, 10)]", + " ├─ExchangeReceiver_18(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_17 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " │ └─Selection_16 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_15 4.00 cop[tiflash] table:d1_t keep order:false", + " └─ExchangeReceiver_14(Probe) 16.00 cop[tiflash] ", + " └─ExchangeSender_13 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " └─TableFullScan_12 16.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t left join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col2 > 10 and fact_t.col1 > d1_t.value", + "Plan": [ + "HashAgg_7 1.00 root funcs:count(1)->Column#11", + "└─TableReader_20 32.00 root data:ExchangeSender_19", + " └─ExchangeSender_19 32.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_9 32.00 cop[tiflash] left outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], left cond:[gt(test.fact_t.col2, 10)], other cond:gt(test.fact_t.col1, test.d1_t.value)", + " ├─ExchangeReceiver_18(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_17 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " │ └─Selection_16 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", + " │ └─TableFullScan_15 4.00 cop[tiflash] table:d1_t keep order:false", + " └─ExchangeReceiver_14(Probe) 16.00 cop[tiflash] ", + " └─ExchangeSender_13 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " └─TableFullScan_12 16.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k and d1_t.value > 10", + "Plan": [ + "HashAgg_7 1.00 root funcs:count(1)->Column#11", + "└─TableReader_20 32.00 root data:ExchangeSender_19", + " └─ExchangeSender_19 32.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_9 32.00 cop[tiflash] right outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], right cond:gt(test.d1_t.value, 10)", + " ├─ExchangeReceiver_15(Build) 16.00 cop[tiflash] ", + " │ └─ExchangeSender_14 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " │ └─Selection_13 16.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " │ └─TableFullScan_12 16.00 cop[tiflash] table:fact_t keep order:false", + " └─ExchangeReceiver_18(Probe) 4.00 cop[tiflash] ", + " └─ExchangeSender_17 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " └─TableFullScan_16 4.00 cop[tiflash] table:d1_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t right join d1_t on fact_t.d1_k = d1_t.d1_k and d1_t.value > 10 and fact_t.col1 > d1_t.value", + "Plan": [ + "HashAgg_7 1.00 root funcs:count(1)->Column#11", + "└─TableReader_20 32.00 root data:ExchangeSender_19", + " └─ExchangeSender_19 32.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_9 32.00 cop[tiflash] right outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], right cond:gt(test.d1_t.value, 10), other cond:gt(test.fact_t.col1, test.d1_t.value)", + " ├─ExchangeReceiver_15(Build) 16.00 cop[tiflash] ", + " │ └─ExchangeSender_14 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " │ └─Selection_13 16.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", + " │ └─TableFullScan_12 16.00 cop[tiflash] table:fact_t keep order:false", + " └─ExchangeReceiver_18(Probe) 4.00 cop[tiflash] ", + " └─ExchangeSender_17 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " └─TableFullScan_16 4.00 cop[tiflash] table:d1_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t where exists (select 1 from d1_t where d1_k = fact_t.d1_k)", + "Plan": [ + "StreamAgg_11 1.00 root funcs:count(1)->Column#12", + "└─TableReader_33 12.80 root data:ExchangeSender_32", + " └─ExchangeSender_32 12.80 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_30 12.80 cop[tiflash] semi join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)]", + " ├─ExchangeReceiver_21(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_20 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " │ └─Selection_19 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_18 4.00 cop[tiflash] table:d1_t keep order:false", + " └─ExchangeReceiver_17(Probe) 16.00 cop[tiflash] ", + " └─ExchangeSender_16 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " └─Selection_15 16.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_14 16.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t where exists (select 1 from d1_t where d1_k = fact_t.d1_k and value > fact_t.col1)", + "Plan": [ + "StreamAgg_11 1.00 root funcs:count(1)->Column#12", + "└─TableReader_33 12.80 root data:ExchangeSender_32", + " └─ExchangeSender_32 12.80 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_30 12.80 cop[tiflash] semi join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], other cond:gt(test.d1_t.value, test.fact_t.col1)", + " ├─ExchangeReceiver_21(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_20 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " │ └─Selection_19 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", + " │ └─TableFullScan_18 4.00 cop[tiflash] table:d1_t keep order:false", + " └─ExchangeReceiver_17(Probe) 16.00 cop[tiflash] ", + " └─ExchangeSender_16 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " └─Selection_15 16.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_14 16.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t where not exists (select 1 from d1_t where d1_k = fact_t.d1_k)", + "Plan": [ + "StreamAgg_11 1.00 root funcs:count(1)->Column#12", + "└─TableReader_29 12.80 root data:ExchangeSender_28", + " └─ExchangeSender_28 12.80 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_26 12.80 cop[tiflash] anti semi join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)]", + " ├─ExchangeReceiver_19(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_18 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " │ └─TableFullScan_17 4.00 cop[tiflash] table:d1_t keep order:false", + " └─ExchangeReceiver_16(Probe) 16.00 cop[tiflash] ", + " └─ExchangeSender_15 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " └─TableFullScan_14 16.00 cop[tiflash] table:fact_t keep order:false" + ] + }, + { + "SQL": "explain select count(*) from fact_t where not exists (select 1 from d1_t where d1_k = fact_t.d1_k and value > fact_t.col1)", + "Plan": [ + "StreamAgg_11 1.00 root funcs:count(1)->Column#12", + "└─TableReader_29 12.80 root data:ExchangeSender_28", + " └─ExchangeSender_28 12.80 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_26 12.80 cop[tiflash] anti semi join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], other cond:gt(test.d1_t.value, test.fact_t.col1)", + " ├─ExchangeReceiver_19(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_18 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " │ └─TableFullScan_17 4.00 cop[tiflash] table:d1_t keep order:false", + " └─ExchangeReceiver_16(Probe) 16.00 cop[tiflash] ", + " └─ExchangeSender_15 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " └─TableFullScan_14 16.00 cop[tiflash] table:fact_t keep order:false" + ] + } + ] + }, { "Name": "TestBroadcastJoin", "Cases": [ @@ -51,7 +540,7 @@ "HashAgg_20 1.00 root funcs:count(Column#12)->Column#11", "└─TableReader_21 1.00 root data:HashAgg_8", " └─HashAgg_8 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_11 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + " └─HashJoin_11 8.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)]", " ├─Selection_19(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", " │ └─TableFullScan_18 2.00 cop[tiflash] table:d1_t keep order:false, global read", " └─Selection_17(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", @@ -64,13 +553,13 @@ "HashAgg_40 1.00 root funcs:count(Column#18)->Column#17", "└─TableReader_41 1.00 root data:HashAgg_12", " └─HashAgg_12 1.00 cop[tiflash] funcs:count(1)->Column#18", - " └─BroadcastJoin_15 8.00 cop[tiflash] inner join, left key:test.fact_t.d3_k, right key:test.d3_t.d3_k", + " └─HashJoin_15 8.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d3_k, test.d3_t.d3_k)]", " ├─Selection_39(Build) 2.00 cop[tiflash] not(isnull(test.d3_t.d3_k))", " │ └─TableFullScan_38 2.00 cop[tiflash] table:d3_t keep order:false, global read", - " └─BroadcastJoin_29(Probe) 8.00 cop[tiflash] inner join, left key:test.fact_t.d2_k, right key:test.d2_t.d2_k", + " └─HashJoin_29(Probe) 8.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d2_k, test.d2_t.d2_k)]", " ├─Selection_25(Build) 2.00 cop[tiflash] not(isnull(test.d2_t.d2_k))", " │ └─TableFullScan_24 2.00 cop[tiflash] table:d2_t keep order:false, global read", - " └─BroadcastJoin_33(Probe) 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + " └─HashJoin_33(Probe) 8.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)]", " ├─Selection_23(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", " │ └─TableFullScan_22 2.00 cop[tiflash] table:d1_t keep order:false, global read", " └─Selection_37(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k)), not(isnull(test.fact_t.d2_k)), not(isnull(test.fact_t.d3_k))", @@ -83,7 +572,7 @@ "HashAgg_15 1.00 root funcs:count(Column#12)->Column#11", "└─TableReader_16 1.00 root data:HashAgg_8", " └─HashAgg_8 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_10 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + " └─HashJoin_10 8.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)]", " ├─Selection_14(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", " │ └─TableFullScan_13 2.00 cop[tiflash] table:d1_t keep order:false", " └─Selection_12(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", @@ -96,13 +585,13 @@ "HashAgg_26 1.00 root funcs:count(Column#18)->Column#17", "└─TableReader_27 1.00 root data:HashAgg_12", " └─HashAgg_12 1.00 cop[tiflash] funcs:count(1)->Column#18", - " └─BroadcastJoin_14 8.00 cop[tiflash] inner join, left key:test.fact_t.d3_k, right key:test.d3_t.d3_k", + " └─HashJoin_14 8.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d3_k, test.d3_t.d3_k)]", " ├─Selection_25(Build) 2.00 cop[tiflash] not(isnull(test.d3_t.d3_k))", " │ └─TableFullScan_24 2.00 cop[tiflash] table:d3_t keep order:false, global read", - " └─BroadcastJoin_15(Probe) 8.00 cop[tiflash] inner join, left key:test.fact_t.d2_k, right key:test.d2_t.d2_k", + " └─HashJoin_15(Probe) 8.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d2_k, test.d2_t.d2_k)]", " ├─Selection_23(Build) 2.00 cop[tiflash] not(isnull(test.d2_t.d2_k))", " │ └─TableFullScan_22 2.00 cop[tiflash] table:d2_t keep order:false", - " └─BroadcastJoin_16(Probe) 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + " └─HashJoin_16(Probe) 8.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)]", " ├─Selection_21(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", " │ └─TableFullScan_20 2.00 cop[tiflash] table:d1_t keep order:false, global read", " └─Selection_19(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k)), not(isnull(test.fact_t.d2_k)), not(isnull(test.fact_t.d3_k))", @@ -115,7 +604,7 @@ "HashAgg_13 1.00 root funcs:count(Column#12)->Column#11", "└─TableReader_14 1.00 root data:HashAgg_7", " └─HashAgg_7 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_9 8.00 cop[tiflash] left outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + " └─HashJoin_9 8.00 cop[tiflash] left outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)]", " ├─Selection_12(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", " │ └─TableFullScan_11 2.00 cop[tiflash] table:d1_t keep order:false, global read", " └─TableFullScan_10(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" @@ -127,7 +616,7 @@ "HashAgg_13 1.00 root funcs:count(Column#12)->Column#11", "└─TableReader_14 1.00 root data:HashAgg_7", " └─HashAgg_7 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_9 8.00 cop[tiflash] right outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", + " └─HashJoin_9 8.00 cop[tiflash] right outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)]", " ├─TableFullScan_12(Build) 2.00 cop[tiflash] table:d1_t keep order:false", " └─Selection_11(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", " └─TableFullScan_10 8.00 cop[tiflash] table:fact_t keep order:false, global read" @@ -139,7 +628,7 @@ "HashAgg_19 1.00 root funcs:count(Column#12)->Column#11", "└─TableReader_20 1.00 root data:HashAgg_7", " └─HashAgg_7 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_10 8.00 cop[tiflash] inner join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, other cond:gt(test.fact_t.col1, test.d1_t.value)", + " └─HashJoin_10 8.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], other cond:gt(test.fact_t.col1, test.d1_t.value)", " ├─Selection_18(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", " │ └─TableFullScan_17 2.00 cop[tiflash] table:d1_t keep order:false, global read", " └─Selection_16(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", @@ -152,7 +641,7 @@ "HashAgg_13 1.00 root funcs:count(Column#12)->Column#11", "└─TableReader_14 1.00 root data:HashAgg_7", " └─HashAgg_7 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_9 8.00 cop[tiflash] left outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, left cond:[gt(test.fact_t.col1, 10)]", + " └─HashJoin_9 8.00 cop[tiflash] left outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], left cond:[gt(test.fact_t.col1, 10)]", " ├─Selection_12(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", " │ └─TableFullScan_11 2.00 cop[tiflash] table:d1_t keep order:false, global read", " └─TableFullScan_10(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" @@ -164,7 +653,7 @@ "HashAgg_13 1.00 root funcs:count(Column#12)->Column#11", "└─TableReader_14 1.00 root data:HashAgg_7", " └─HashAgg_7 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_9 8.00 cop[tiflash] left outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, left cond:[gt(test.fact_t.col2, 10)], other cond:gt(test.fact_t.col1, test.d1_t.value)", + " └─HashJoin_9 8.00 cop[tiflash] left outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], left cond:[gt(test.fact_t.col2, 10)], other cond:gt(test.fact_t.col1, test.d1_t.value)", " ├─Selection_12(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", " │ └─TableFullScan_11 2.00 cop[tiflash] table:d1_t keep order:false, global read", " └─TableFullScan_10(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" @@ -176,7 +665,7 @@ "HashAgg_13 1.00 root funcs:count(Column#12)->Column#11", "└─TableReader_14 1.00 root data:HashAgg_7", " └─HashAgg_7 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_9 8.00 cop[tiflash] right outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, right cond:gt(test.d1_t.value, 10)", + " └─HashJoin_9 8.00 cop[tiflash] right outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], right cond:gt(test.d1_t.value, 10)", " ├─TableFullScan_12(Build) 2.00 cop[tiflash] table:d1_t keep order:false", " └─Selection_11(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", " └─TableFullScan_10 8.00 cop[tiflash] table:fact_t keep order:false, global read" @@ -188,7 +677,7 @@ "HashAgg_13 1.00 root funcs:count(Column#12)->Column#11", "└─TableReader_14 1.00 root data:HashAgg_7", " └─HashAgg_7 1.00 cop[tiflash] funcs:count(1)->Column#12", - " └─BroadcastJoin_9 8.00 cop[tiflash] right outer join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, right cond:gt(test.d1_t.value, 10), other cond:gt(test.fact_t.col1, test.d1_t.value)", + " └─HashJoin_9 8.00 cop[tiflash] right outer join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], right cond:gt(test.d1_t.value, 10), other cond:gt(test.fact_t.col1, test.d1_t.value)", " ├─Selection_11(Build) 8.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", " │ └─TableFullScan_10 8.00 cop[tiflash] table:fact_t keep order:false, global read", " └─TableFullScan_12(Probe) 2.00 cop[tiflash] table:d1_t keep order:false" @@ -197,14 +686,14 @@ { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t where exists (select 1 from d1_t where d1_k = fact_t.d1_k)", "Plan": [ - "HashAgg_24 1.00 root funcs:count(Column#13)->Column#12", - "└─TableReader_25 1.00 root data:HashAgg_10", - " └─HashAgg_10 1.00 cop[tiflash] funcs:count(1)->Column#13", - " └─BroadcastJoin_12 6.40 cop[tiflash] semi join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", - " ├─Selection_17(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", - " │ └─TableFullScan_16 2.00 cop[tiflash] table:d1_t keep order:false, global read", - " └─Selection_15(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", - " └─TableFullScan_14 8.00 cop[tiflash] table:fact_t keep order:false" + "HashAgg_10 1.00 root funcs:count(1)->Column#12", + "└─HashJoin_13 6.40 root semi join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)]", + " ├─TableReader_23(Build) 2.00 root data:Selection_22", + " │ └─Selection_22 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_21 2.00 cop[tiflash] table:d1_t keep order:false", + " └─TableReader_20(Probe) 8.00 root data:Selection_19", + " └─Selection_19 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_18 8.00 cop[tiflash] table:fact_t keep order:false" ] }, { @@ -213,7 +702,7 @@ "HashAgg_24 1.00 root funcs:count(Column#13)->Column#12", "└─TableReader_25 1.00 root data:HashAgg_10", " └─HashAgg_10 1.00 cop[tiflash] funcs:count(1)->Column#13", - " └─BroadcastJoin_12 6.40 cop[tiflash] semi join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, other cond:gt(test.d1_t.value, test.fact_t.col1)", + " └─HashJoin_12 6.40 cop[tiflash] semi join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], other cond:gt(test.d1_t.value, test.fact_t.col1)", " ├─Selection_17(Build) 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", " │ └─TableFullScan_16 2.00 cop[tiflash] table:d1_t keep order:false, global read", " └─Selection_15(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", @@ -223,12 +712,12 @@ { "SQL": "explain select /*+ broadcast_join(fact_t,d1_t) */ count(*) from fact_t where not exists (select 1 from d1_t where d1_k = fact_t.d1_k)", "Plan": [ - "HashAgg_20 1.00 root funcs:count(Column#13)->Column#12", - "└─TableReader_21 1.00 root data:HashAgg_10", - " └─HashAgg_10 1.00 cop[tiflash] funcs:count(1)->Column#13", - " └─BroadcastJoin_12 6.40 cop[tiflash] anti semi join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k", - " ├─TableFullScan_15(Build) 2.00 cop[tiflash] table:d1_t keep order:false, global read", - " └─TableFullScan_14(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" + "HashAgg_10 1.00 root funcs:count(1)->Column#12", + "└─HashJoin_13 6.40 root anti semi join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)]", + " ├─TableReader_19(Build) 2.00 root data:TableFullScan_18", + " │ └─TableFullScan_18 2.00 cop[tiflash] table:d1_t keep order:false", + " └─TableReader_17(Probe) 8.00 root data:TableFullScan_16", + " └─TableFullScan_16 8.00 cop[tiflash] table:fact_t keep order:false" ] }, { @@ -237,7 +726,7 @@ "HashAgg_20 1.00 root funcs:count(Column#13)->Column#12", "└─TableReader_21 1.00 root data:HashAgg_10", " └─HashAgg_10 1.00 cop[tiflash] funcs:count(1)->Column#13", - " └─BroadcastJoin_12 6.40 cop[tiflash] anti semi join, left key:test.fact_t.d1_k, right key:test.d1_t.d1_k, other cond:gt(test.d1_t.value, test.fact_t.col1)", + " └─HashJoin_12 6.40 cop[tiflash] anti semi join, equal:[eq(test.fact_t.d1_k, test.d1_t.d1_k)], other cond:gt(test.d1_t.value, test.fact_t.col1)", " ├─TableFullScan_15(Build) 2.00 cop[tiflash] table:d1_t keep order:false, global read", " └─TableFullScan_14(Probe) 8.00 cop[tiflash] table:fact_t keep order:false" ] diff --git a/planner/property/physical_property.go b/planner/property/physical_property.go index a1201e46a94a6..c5c47e452f353 100644 --- a/planner/property/physical_property.go +++ b/planner/property/physical_property.go @@ -30,6 +30,18 @@ type SortItem struct { Desc bool } +// PartitionType is the way to partition during mpp data exchanging. +type PartitionType int + +const ( + // AnyType will not require any special partition types. + AnyType PartitionType = iota + // BroadcastType requires current task to broadcast its data. + BroadcastType + // HashType requires current task to shuffle its data according to some columns. + HashType +) + // PhysicalProperty stands for the required physical property by parents. // It contains the orders and the task types. type PhysicalProperty struct { @@ -56,6 +68,12 @@ type PhysicalProperty struct { // whether need to enforce property. Enforced bool + + // If the partition type is hash, the data should be reshuffled by partition cols. + PartitionCols []*expression.Column + + // which types the exchange sender belongs to, only take effects when it's a mpp task. + PartitionTp PartitionType } // NewPhysicalProperty builds property from columns. @@ -77,6 +95,28 @@ func SortItemsFromCols(cols []*expression.Column, desc bool) []SortItem { return items } +// IsSubsetOf check if the keys can match the needs of partition. +func (p *PhysicalProperty) IsSubsetOf(keys []*expression.Column) []int { + if len(p.PartitionCols) > len(keys) { + return nil + } + matches := make([]int, 0, len(keys)) + for _, partCol := range p.PartitionCols { + found := false + for i, key := range keys { + if partCol.Equal(nil, key) { + found = true + matches = append(matches, i) + break + } + } + if !found { + return nil + } + } + return matches +} + // AllColsFromSchema checks whether all the columns needed by this physical // property can be found in the given schema. func (p *PhysicalProperty) AllColsFromSchema(schema *expression.Schema) bool { @@ -90,7 +130,7 @@ func (p *PhysicalProperty) AllColsFromSchema(schema *expression.Schema) bool { // IsFlashProp return true if this physical property is only allowed to generate flash related task func (p *PhysicalProperty) IsFlashProp() bool { - return p.TaskTp == CopTiFlashLocalReadTaskType || p.TaskTp == CopTiFlashGlobalReadTaskType + return p.TaskTp == CopTiFlashLocalReadTaskType || p.TaskTp == CopTiFlashGlobalReadTaskType || p.TaskTp == MppTaskType } // GetAllPossibleChildTaskTypes enumrates the possible types of tasks for children. @@ -142,6 +182,12 @@ func (p *PhysicalProperty) HashCode() []byte { p.hashcode = codec.EncodeInt(p.hashcode, 0) } } + if p.TaskTp == MppTaskType { + p.hashcode = codec.EncodeInt(p.hashcode, int64(p.PartitionTp)) + for _, col := range p.PartitionCols { + p.hashcode = append(p.hashcode, col.HashCode(nil)...) + } + } return p.hashcode } @@ -156,9 +202,12 @@ func (p *PhysicalProperty) String() string { // for children nodes. func (p *PhysicalProperty) Clone() *PhysicalProperty { prop := &PhysicalProperty{ - SortItems: p.SortItems, - TaskTp: p.TaskTp, - ExpectedCnt: p.ExpectedCnt, + SortItems: p.SortItems, + TaskTp: p.TaskTp, + ExpectedCnt: p.ExpectedCnt, + Enforced: p.Enforced, + PartitionTp: p.PartitionTp, + PartitionCols: p.PartitionCols, } return prop } diff --git a/planner/property/task_type.go b/planner/property/task_type.go index 3f91509ca710b..3e60947f4b02d 100644 --- a/planner/property/task_type.go +++ b/planner/property/task_type.go @@ -38,6 +38,9 @@ const ( // type is CopTiFlashGlobalReadTaskType, all its children prop's task type is // CopTiFlashGlobalReadTaskType CopTiFlashGlobalReadTaskType + + // MppTaskType stands for task that would run on Mpp nodes, currently meaning the tiflash node. + MppTaskType ) // String implements fmt.Stringer interface. @@ -53,6 +56,8 @@ func (t TaskType) String() string { return "copTiFlashLocalReadTask" case CopTiFlashGlobalReadTaskType: return "copTiFlashGlobalReadTask" + case MppTaskType: + return "mppTask" } return "UnknownTaskType" } diff --git a/session/session.go b/session/session.go index e483605ca1809..5e0e14da550d3 100644 --- a/session/session.go +++ b/session/session.go @@ -2263,6 +2263,8 @@ var builtinGlobalVariable = []string{ variable.TiDBAllowBatchCop, variable.TiDBAllowMPPExecution, variable.TiDBOptBCJ, + variable.TiDBBCJThresholdSize, + variable.TiDBBCJThresholdCount, variable.TiDBRowFormatVersion, variable.TiDBEnableStmtSummary, variable.TiDBStmtSummaryInternalQuery, diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 8d091f3db0e25..26b7dbf70ea02 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -473,7 +473,6 @@ type SessionVars struct { // AllowDistinctAggPushDown can be set true to allow agg with distinct push down to tikv/tiflash. AllowDistinctAggPushDown bool - // AllowWriteRowID can be set to false to forbid write data to _tidb_rowid. // This variable is currently not recommended to be turned on. AllowWriteRowID bool @@ -487,6 +486,15 @@ type SessionVars struct { // TiDBAllowAutoRandExplicitInsert indicates whether explicit insertion on auto_random column is allowed. AllowAutoRandExplicitInsert bool + // BroadcastJoinThresholdSize is used to limit the size of smaller table. + // It's unit is bytes, if the size of small table is larger than it, we will not use bcj. + BroadcastJoinThresholdSize int64 + + // BroadcastJoinThresholdCount is used to limit the total count of smaller table. + // If we can't estimate the size of one side of join child, we will check if its row number exceeds this limitation. + BroadcastJoinThresholdCount int64 + + // AllowWriteRowID can be set to false to forbid write data to _tidb_rowid. // CorrelationThreshold is the guard to enable row count estimation using column order correlation. CorrelationThreshold float64 @@ -882,6 +890,8 @@ func NewSessionVars() *SessionVars { StmtCtx: new(stmtctx.StatementContext), AllowAggPushDown: false, AllowBCJ: false, + BroadcastJoinThresholdSize: DefBroadcastJoinThresholdSize, + BroadcastJoinThresholdCount: DefBroadcastJoinThresholdSize, OptimizerSelectivityLevel: DefTiDBOptimizerSelectivityLevel, RetryLimit: DefTiDBRetryLimit, DisableTxnAutoRetry: DefTiDBDisableTxnAutoRetry, @@ -1355,6 +1365,10 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.AllowAggPushDown = TiDBOptOn(val) case TiDBOptBCJ: s.AllowBCJ = TiDBOptOn(val) + case TiDBBCJThresholdSize: + s.BroadcastJoinThresholdSize = tidbOptInt64(val, DefBroadcastJoinThresholdSize) + case TiDBBCJThresholdCount: + s.BroadcastJoinThresholdCount = tidbOptInt64(val, DefBroadcastJoinThresholdCount) case TiDBOptDistinctAggPushDown: s.AllowDistinctAggPushDown = TiDBOptOn(val) case TiDBOptWriteRowID: diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index eb57e10f8b4e1..790113d61309a 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -970,6 +970,8 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TiDBTxnScope, Value: config.GetGlobalConfig().TxnScope}, /* TiDB specific variables */ {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowMPPExecution, Type: TypeBool, Value: BoolToOnOff(DefTiDBAllowMPPExecution)}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBBCJThresholdCount, Value: strconv.Itoa(DefBroadcastJoinThresholdCount), Type: TypeInt, MinValue: 0, MaxValue: math.MaxInt64}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBBCJThresholdSize, Value: strconv.Itoa(DefBroadcastJoinThresholdSize), Type: TypeInt, MinValue: 0, MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TiDBSnapshot, Value: ""}, {Scope: ScopeSession, Name: TiDBOptAggPushDown, Value: BoolToOnOff(DefOptAggPushDown), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBOptBCJ, Value: BoolToOnOff(DefOptBCJ), Type: TypeBool, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 84216c32a913a..673eba2b8b23d 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -51,6 +51,14 @@ const ( // tidb_opt_distinct_agg_push_down is used to decide whether agg with distinct should be pushed to tikv/tiflash. TiDBOptDistinctAggPushDown = "tidb_opt_distinct_agg_push_down" + // tidb_broadcast_join_threshold_size is used to limit the size of small table for mpp broadcast join. + // It's unit is bytes, if the size of small table is larger than it, we will not use bcj. + TiDBBCJThresholdSize = "tidb_broadcast_join_threshold_size" + + // tidb_broadcast_join_threshold_count is used to limit the count of small table for mpp broadcast join. + // If we can't estimate the size of one side of join child, we will check if its row number exceeds this limitation. + TiDBBCJThresholdCount = "tidb_broadcast_join_threshold_count" + // tidb_opt_write_row_id is used to enable/disable the operations of insert、replace and update to _tidb_rowid. TiDBOptWriteRowID = "tidb_opt_write_row_id" @@ -568,6 +576,8 @@ const ( DefTiDBConstraintCheckInPlace = false DefTiDBHashJoinConcurrency = ConcurrencyUnset DefTiDBProjectionConcurrency = ConcurrencyUnset + DefBroadcastJoinThresholdSize = 100 * 1024 * 1024 + DefBroadcastJoinThresholdCount = 10 * 1024 DefTiDBOptimizerSelectivityLevel = 0 DefTiDBAllowBatchCop = 1 DefTiDBAllowMPPExecution = false diff --git a/store/tikv/mpp.go b/store/tikv/mpp.go index 03af56ea2c6d8..d9685d07fa84f 100644 --- a/store/tikv/mpp.go +++ b/store/tikv/mpp.go @@ -41,10 +41,26 @@ func (c *batchCopTask) GetAddress() string { return c.storeAddr } +func (c *MPPClient) selectAllTiFlashStore() []kv.MPPTaskMeta { + resultTasks := make([]kv.MPPTaskMeta, 0) + c.store.regionCache.storeMu.RLock() + for _, st := range c.store.regionCache.storeMu.stores { + if st.storeType == kv.TiFlash { + task := &batchCopTask{storeAddr: st.addr, cmdType: tikvrpc.CmdMPPTask} + resultTasks = append(resultTasks, task) + } + } + c.store.regionCache.storeMu.RUnlock() + return resultTasks +} + // ConstructMPPTasks receives ScheduleRequest, which are actually collects of kv ranges. We allocates MPPTaskMeta for them and returns. func (c *MPPClient) ConstructMPPTasks(ctx context.Context, req *kv.MPPBuildTasksRequest) ([]kv.MPPTaskMeta, error) { ctx = context.WithValue(ctx, txnStartKey, req.StartTS) bo := NewBackofferWithVars(ctx, copBuildTaskMaxBackoff, nil) + if req.KeyRanges == nil { + return c.selectAllTiFlashStore(), nil + } tasks, err := buildBatchCopTasks(bo, c.store.regionCache, &copRanges{mid: req.KeyRanges}, kv.TiFlash) if err != nil { return nil, errors.Trace(err) @@ -134,7 +150,6 @@ func (m *mppIterator) handleDispatchReq(ctx context.Context, bo *Backoffer, req defer func() { m.wg.Done() }() - sender := NewRegionBatchRequestSender(m.store.regionCache, m.store.client) var regionInfos []*coprocessor.RegionInfo originalTask := req.Meta.(*batchCopTask) for _, task := range originalTask.copTasks { @@ -164,21 +179,30 @@ func (m *mppIterator) handleDispatchReq(ctx context.Context, bo *Backoffer, req wrappedReq.StoreTp = kv.TiFlash // TODO: Handle dispatch task response correctly, including retry logic and cancel logic. - rpcResp, _, _, err := sender.sendStreamReqToAddr(bo, originalTask.copTasks, wrappedReq, ReadTimeoutMedium) + var rpcResp *tikvrpc.Response + var err error + // If copTasks is not empty, we should send request according to region distribution. + // Or else it's the task without region, which always happens in high layer task without table. + // In that case + if len(originalTask.copTasks) != 0 { + sender := NewRegionBatchRequestSender(m.store.regionCache, m.store.client) + rpcResp, _, _, err = sender.sendStreamReqToAddr(bo, originalTask.copTasks, wrappedReq, ReadTimeoutMedium) + // No matter what the rpc error is, we won't retry the mpp dispatch tasks. + // TODO: If we want to retry, we must redo the plan fragment cutting and task scheduling. + // That's a hard job but we can try it in the future. + if sender.rpcError != nil { + m.sendError(sender.rpcError) + return + } + } else { + rpcResp, err = m.store.client.SendRequest(ctx, originalTask.storeAddr, wrappedReq, ReadTimeoutMedium) + } if err != nil { m.sendError(err) return } - // No matter what the rpc error is, we won't retry the mpp dispatch tasks. - // TODO: If we want to retry, we must redo the plan fragment cutting and task scheduling. - // That's a hard job but we can try it in the future. - if sender.rpcError != nil { - m.sendError(sender.rpcError) - return - } - realResp := rpcResp.Resp.(*mpp.DispatchTaskResponse) if realResp.Error != nil { diff --git a/util/plancodec/id.go b/util/plancodec/id.go index 68dea6681cb36..01c675c54a025 100644 --- a/util/plancodec/id.go +++ b/util/plancodec/id.go @@ -52,8 +52,6 @@ const ( TypeLimit = "Limit" // TypeHashJoin is the type of hash join. TypeHashJoin = "HashJoin" - // TypeBroadcastJoin is the type of broad cast join. - TypeBroadcastJoin = "BroadcastJoin" // TypeExchangeSender is the type of mpp exchanger sender. TypeExchangeSender = "ExchangeSender" // TypeExchangeReceiver is the type of mpp exchanger receiver. From b1bd2856cabe55b90ef0009fe6bae943a25c5f72 Mon Sep 17 00:00:00 2001 From: crazycs Date: Tue, 29 Dec 2020 09:56:18 +0800 Subject: [PATCH 0576/1021] config: disable list partition by default since it's an experimental feature (#22045) --- ddl/db_partition_test.go | 32 ++++++++++++++++++--------- ddl/partition.go | 19 ++++++++-------- executor/executor_test.go | 2 +- executor/infoschema_reader_test.go | 1 + executor/partition_table_test.go | 1 + executor/show_test.go | 1 + executor/write_test.go | 28 +++++++++++------------ planner/core/partition_pruner_test.go | 4 ++++ server/server_test.go | 4 ++++ session/session_test.go | 2 ++ sessionctx/variable/sysvar.go | 4 +++- sessionctx/variable/tidb_vars.go | 5 +++-- 12 files changed, 65 insertions(+), 38 deletions(-) diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index 895d81b8b2cb7..f575494e96885 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -365,7 +365,7 @@ func (s *testIntegrationSuite7) TestCreateTableWithRangeColumnPartition(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") tk.MustExec("drop table if exists log_message_1;") - tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec(` create table log_message_1 ( add_time datetime not null default '2000-01-01 00:00:00', @@ -554,17 +554,19 @@ create table log_message_1 ( func (s *testIntegrationSuite1) TestDisableTablePartition(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") - tk.MustExec("set @@session.tidb_enable_table_partition = 0") - tk.MustExec("drop table if exists t") - tk.MustExec(`create table t (id int) partition by list (id) ( + for _, v := range []string{"'AUTO'", "'OFF'", "0", "'ON'"} { + tk.MustExec("set @@session.tidb_enable_table_partition = " + v) + tk.MustExec("drop table if exists t") + tk.MustExec(`create table t (id int) partition by list (id) ( partition p0 values in (1,2),partition p1 values in (3,4));`) - tbl := testGetTableByName(c, tk.Se, "test", "t") - c.Assert(tbl.Meta().Partition, IsNil) - _, err := tk.Exec(`alter table t add partition ( + tbl := testGetTableByName(c, tk.Se, "test", "t") + c.Assert(tbl.Meta().Partition, IsNil) + _, err := tk.Exec(`alter table t add partition ( partition p4 values in (7), partition p5 values in (8,9));`) - c.Assert(ddl.ErrPartitionMgmtOnNonpartitioned.Equal(err), IsTrue) - tk.MustExec("insert into t values (1),(3),(5),(100),(null)") + c.Assert(ddl.ErrPartitionMgmtOnNonpartitioned.Equal(err), IsTrue) + tk.MustExec("insert into t values (1),(3),(5),(100),(null)") + } } func (s *testIntegrationSuite1) generatePartitionTableByNum(num int) string { @@ -583,7 +585,7 @@ func (s *testIntegrationSuite1) generatePartitionTableByNum(num int) string { func (s *testIntegrationSuite1) TestCreateTableWithListPartition(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") - tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec("drop table if exists t") type errorCase struct { sql string @@ -723,7 +725,7 @@ func (s *testIntegrationSuite1) TestCreateTableWithListPartition(c *C) { func (s *testIntegrationSuite1) TestCreateTableWithListColumnsPartition(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") - tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec("drop table if exists t") type errorCase struct { sql string @@ -921,6 +923,7 @@ func (s *testIntegrationSuite5) TestAlterTableAddPartitionByList(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") tk.MustExec("drop table if exists t;") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec(`create table t (id int) partition by list (id) ( partition p0 values in (1,2), partition p1 values in (3,4), @@ -1035,6 +1038,7 @@ func (s *testIntegrationSuite5) TestAlterTableAddPartitionByListColumns(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") tk.MustExec("drop table if exists t;") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec(`create table t (id int, name varchar(10)) partition by list columns (id,name) ( partition p0 values in ((1,'a'),(2,'b')), partition p1 values in ((3,'a'),(4,'b')), @@ -1101,6 +1105,7 @@ func (s *testIntegrationSuite5) TestAlterTableDropPartitionByList(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") tk.MustExec("drop table if exists t;") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec(`create table t (id int) partition by list (id) ( partition p0 values in (1,2), partition p1 values in (3,4), @@ -1135,6 +1140,7 @@ func (s *testIntegrationSuite5) TestAlterTableDropPartitionByListColumns(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") tk.MustExec("drop table if exists t;") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec(`create table t (id int, name varchar(10)) partition by list columns (id,name) ( partition p0 values in ((1,'a'),(2,'b')), partition p1 values in ((3,'a'),(4,'b')), @@ -1171,6 +1177,7 @@ func (s *testIntegrationSuite5) TestAlterTableTruncatePartitionByList(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") tk.MustExec("drop table if exists t;") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec(`create table t (id int) partition by list (id) ( partition p0 values in (1,2), partition p1 values in (3,4), @@ -1201,6 +1208,7 @@ func (s *testIntegrationSuite5) TestAlterTableTruncatePartitionByListColumns(c * tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") tk.MustExec("drop table if exists t;") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec(`create table t (id int, name varchar(10)) partition by list columns (id,name) ( partition p0 values in ((1,'a'),(2,'b')), partition p1 values in ((3,'a'),(4,'b')), @@ -3290,6 +3298,7 @@ func (s *testIntegrationSuite7) TestAddPartitionForTableWithWrongType(c *C) { func (s *testIntegrationSuite7) TestPartitionListWithTimeType(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test;") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec("create table t_list1(a date) partition by list columns (a) (partition p0 values in ('2010-02-02', '20180203'), partition p1 values in ('20200202'));") tk.MustExec("insert into t_list1(a) values (20180203);") tk.MustQuery(`select * from t_list1 partition (p0);`).Check(testkit.Rows("2018-02-03")) @@ -3300,6 +3309,7 @@ func (s *testIntegrationSuite7) TestPartitionListWithNewCollation(c *C) { defer collate.SetNewCollationEnabledForTest(false) tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test;") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustGetErrCode(`create table t (a char(10) collate utf8mb4_general_ci) partition by list columns (a) (partition p0 values in ('a', 'A'));`, mysql.ErrMultipleDefConstInListPart) tk.MustExec("create table t11(a char(10) collate utf8mb4_general_ci) partition by list columns (a) (partition p0 values in ('a', 'b'), partition p1 values in ('C', 'D'));") tk.MustExec("insert into t11(a) values ('A'), ('c'), ('C'), ('d'), ('B');") diff --git a/ddl/partition.go b/ddl/partition.go index 2ac0e41e00412..606c98b290f82 100644 --- a/ddl/partition.go +++ b/ddl/partition.go @@ -38,6 +38,7 @@ import ( "github.com/pingcap/tidb/meta" "github.com/pingcap/tidb/metrics" "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/store/tikv" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/tablecodec" @@ -287,8 +288,9 @@ func buildTablePartitionInfo(ctx sessionctx.Context, s *ast.PartitionOptions, tb } var enable bool - // When tidb_enable_table_partition is 'on' or 'auto'. - if s.Tp == model.PartitionTypeRange { + switch s.Tp { + case model.PartitionTypeRange: + // When tidb_enable_table_partition is 'on' or 'auto'. if s.Sub == nil { // Partition by range expression is enabled by default. if s.ColumnNames == nil { @@ -299,16 +301,15 @@ func buildTablePartitionInfo(ctx sessionctx.Context, s *ast.PartitionOptions, tb enable = true } } - } - // Partition by hash is enabled by default. - // Note that linear hash is not enabled. - if s.Tp == model.PartitionTypeHash { + case model.PartitionTypeHash: + // Partition by hash is enabled by default. + // Note that linear hash is not enabled. if !s.Linear && s.Sub == nil { enable = true } - } - if s.Tp == model.PartitionTypeList { - enable = true + case model.PartitionTypeList: + // Partition by list is enabled only when tidb_enable_table_partition is 'nightly'. + enable = strings.EqualFold(ctx.GetSessionVars().EnableTablePartition, variable.Nightly) } if !enable { diff --git a/executor/executor_test.go b/executor/executor_test.go index c66fa04fd93a2..014d1271942ab 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -4268,7 +4268,7 @@ func (s *testSuiteP1) TestSelectPartition(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec(`use test`) tk.MustExec(`drop table if exists th, tr, tl`) - tk.MustExec("set @@session.tidb_enable_table_partition = '1';") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly;") tk.MustExec(`create table th (a int, b int) partition by hash(a) partitions 3;`) tk.MustExec(`create table tr (a int, b int) partition by range (a) ( diff --git a/executor/infoschema_reader_test.go b/executor/infoschema_reader_test.go index 28b39ec16b838..b24d22ab4de19 100644 --- a/executor/infoschema_reader_test.go +++ b/executor/infoschema_reader_test.go @@ -463,6 +463,7 @@ func (s *testInfoschemaTableSerialSuite) TestPartitionsTable(c *C) { tk.MustQuery("select PARTITION_NAME,PARTITION_METHOD,PARTITION_EXPRESSION from information_schema.partitions where table_name = 'test_partitions1';").Check(testkit.Rows("p0 RANGE COLUMNS id", "p1 RANGE COLUMNS id", "p2 RANGE COLUMNS id")) tk.MustExec("DROP TABLE test_partitions1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec("create table test_partitions (a int) partition by list (a) (partition p0 values in (1), partition p1 values in (2));") tk.MustQuery("select PARTITION_NAME,PARTITION_METHOD,PARTITION_EXPRESSION from information_schema.partitions where table_name = 'test_partitions';").Check(testkit.Rows("p0 LIST `a`", "p1 LIST `a`")) tk.MustExec("drop table test_partitions") diff --git a/executor/partition_table_test.go b/executor/partition_table_test.go index 7170bde8ad20f..2efcfe1a2fcfa 100644 --- a/executor/partition_table_test.go +++ b/executor/partition_table_test.go @@ -57,6 +57,7 @@ partition p2 values less than (10))`) func (s *partitionTableSuite) TestPartitionIndexJoin(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) for i := 0; i < 3; i++ { + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec("drop table if exists p, t") if i == 0 { // Test for range partition diff --git a/executor/show_test.go b/executor/show_test.go index 9536258d23be9..6113cfa86fa6c 100644 --- a/executor/show_test.go +++ b/executor/show_test.go @@ -821,6 +821,7 @@ func (s *testSuite5) TestShowCreateTable(c *C) { // Test show list partition table tk.MustExec(`DROP TABLE IF EXISTS t`) + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec(`create table t (id int, name varchar(10), unique index idx (id)) partition by list (id) ( partition p0 values in (3,5,6,9,17), partition p1 values in (1,2,10,11,19,20), diff --git a/executor/write_test.go b/executor/write_test.go index 43e158b0b41f8..17af4b3e09868 100644 --- a/executor/write_test.go +++ b/executor/write_test.go @@ -2890,7 +2890,7 @@ from t order by c_str;`).Check(testkit.Rows("10")) func (s *testSuite4) TestWriteListPartitionTable(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test") - tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec("drop table if exists t") tk.MustExec(`create table t (id int, name varchar(10), unique index idx (id)) partition by list (id) ( partition p0 values in (3,5,6,9,17), @@ -2938,7 +2938,7 @@ func (s *testSuite4) TestWriteListPartitionTable(c *C) { func (s *testSuite4) TestWriteListColumnsPartitionTable(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test") - tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec("drop table if exists t") tk.MustExec(`create table t (id int, name varchar(10), unique index idx (id)) partition by list columns (id) ( partition p0 values in (3,5,6,9,17), @@ -2987,7 +2987,7 @@ func (s *testSuite4) TestWriteListColumnsPartitionTable(c *C) { func (s *testSuite4) TestWriteListPartitionTable1(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test") - tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec("drop table if exists t") tk.MustExec(`create table t (id int, name varchar(10)) partition by list (id) ( partition p0 values in (3,5,6,9,17), @@ -3112,7 +3112,7 @@ func (s *testSuite4) TestWriteListPartitionTable1(c *C) { func (s *testSuite4) TestWriteListPartitionTable2(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test") - tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec("drop table if exists t") tk.MustExec(`create table t (id int, name varchar(10),b int generated always as (length(name)+1) virtual) partition by list (id*2 + b*b + b*b - b*b*2 - abs(id)) ( @@ -3237,7 +3237,7 @@ func (s *testSuite4) TestWriteListPartitionTable2(c *C) { func (s *testSuite4) TestWriteListColumnsPartitionTable1(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test") - tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec("drop table if exists t") tk.MustExec(`create table t (id int, name varchar(10)) partition by list columns (id) ( partition p0 values in (3,5,6,9,17), @@ -3362,7 +3362,7 @@ func (s *testSuite4) TestWriteListColumnsPartitionTable1(c *C) { func (s *testSuite4) TestWriteListColumnsPartitionTable2(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test") - tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec("drop table if exists t") tk.MustExec(`create table t (location varchar(10), id int, a int) partition by list columns (location,id) ( partition p_west values in (('w', 1),('w', 2),('w', 3),('w', 4)), @@ -3511,7 +3511,7 @@ func (s *testSuite4) TestWriteListColumnsPartitionTable2(c *C) { func (s *testSuite4) TestWriteListPartitionTableIssue21437(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test") - tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec("drop table if exists t") tk.MustExec(`create table t (a int) partition by list (a%10) (partition p0 values in (0,1));`) _, err := tk.Exec("replace into t values (null)") @@ -3521,7 +3521,7 @@ func (s *testSuite4) TestWriteListPartitionTableIssue21437(c *C) { func (s *testSuite4) TestListPartitionWithAutoRandom(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test") - tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec("drop table if exists t") tk.MustExec(`create table t (a bigint key auto_random (3), b int) partition by list (a%5) (partition p0 values in (0,1,2), partition p1 values in (3,4));`) tk.MustExec("set @@allow_auto_random_explicit_insert = true") @@ -3544,7 +3544,7 @@ func (s *testSuite4) TestListPartitionWithAutoRandom(c *C) { func (s *testSuite4) TestListPartitionWithAutoIncrement(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test") - tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec("drop table if exists t") tk.MustExec(`create table t (a bigint key auto_increment, b int) partition by list (a%5) (partition p0 values in (0,1,2), partition p1 values in (3,4));`) tk.MustExec("set @@allow_auto_random_explicit_insert = true") @@ -3567,7 +3567,7 @@ func (s *testSuite4) TestListPartitionWithAutoIncrement(c *C) { func (s *testSuite4) TestListPartitionWithGeneratedColumn(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test") - tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") // Test for generated column with bigint type. tableDefs := []string{ // Test for virtual generated column for list partition @@ -3612,7 +3612,7 @@ func (s *testSuite4) TestListPartitionWithGeneratedColumn(c *C) { func (s *testSuite4) TestListPartitionWithGeneratedColumn1(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test") - tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") // Test for generated column with year type. tableDefs := []string{ // Test for virtual generated column for list partition @@ -3680,7 +3680,7 @@ func (s *testSuite4) TestListPartitionWithGeneratedColumn1(c *C) { func (s *testSuite4) TestListPartitionWithGeneratedColumn2(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test") - tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tableDefs := []string{ // Test for virtual generated column for datetime type in list partition. `create table t (a datetime, b bigint GENERATED ALWAYS AS (to_seconds(a)) VIRTUAL, index idx(a)) partition by list (1 + b - 1) ( @@ -3722,7 +3722,7 @@ func (s *testSuite4) TestListPartitionWithGeneratedColumn2(c *C) { func (s *testSuite4) TestListColumnsPartitionWithGeneratedColumn(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test") - tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") // Test for generated column with substr expression. tableDefs := []string{ // Test for virtual generated column @@ -3746,7 +3746,7 @@ func (s *testSuite4) TestListColumnsPartitionWithGeneratedColumn(c *C) { func (s *testSerialSuite2) TestListColumnsPartitionWithGlobalIndex(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) tk.MustExec("use test") - tk.MustExec("set @@session.tidb_enable_table_partition = 1") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") // Test generated column with global index restoreConfig := config.RestoreFunc() defer restoreConfig() diff --git a/planner/core/partition_pruner_test.go b/planner/core/partition_pruner_test.go index f8fe34768d49e..064bff95eb91c 100644 --- a/planner/core/partition_pruner_test.go +++ b/planner/core/partition_pruner_test.go @@ -98,6 +98,7 @@ func (s *testPartitionPruneSuit) TestListPartitionPruner(c *C) { tk.MustExec("create database test_partition") tk.MustExec("use test_partition") tk.MustExec("set @@tidb_enable_clustered_index=0;") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec("create table t1 (id int, a int, b int ) partition by list ( a ) (partition p0 values in (1,2,3,4,5), partition p1 values in (6,7,8,9,10,null));") tk.MustExec("create table t2 (a int, id int, b int) partition by list (a*3 + b - 2*a - b) (partition p0 values in (1,2,3,4,5), partition p1 values in (6,7,8,9,10,null));") tk.MustExec("create table t3 (b int, id int, a int) partition by list columns (a) (partition p0 values in (1,2,3,4,5), partition p1 values in (6,7,8,9,10,null));") @@ -164,6 +165,7 @@ func (s *testPartitionPruneSuit) TestListColumnsPartitionPruner(c *C) { tk.MustExec("drop database if exists test_partition;") tk.MustExec("create database test_partition") tk.MustExec("use test_partition") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec("create table t1 (id int, a int, b int) partition by list columns (b,a) (partition p0 values in ((1,1),(2,2),(3,3),(4,4),(5,5)), partition p1 values in ((6,6),(7,7),(8,8),(9,9),(10,10),(null,10)));") tk.MustExec("create table t2 (id int, a int, b int) partition by list columns (id,a,b) (partition p0 values in ((1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5)), partition p1 values in ((6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)));") tk.MustExec("insert into t1 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,10,null)") @@ -174,6 +176,7 @@ func (s *testPartitionPruneSuit) TestListColumnsPartitionPruner(c *C) { tk1.MustExec("drop database if exists test_partition_1;") tk1.MustExec("create database test_partition_1") tk1.MustExec("use test_partition_1") + tk1.MustExec("set @@session.tidb_enable_table_partition = nightly") tk1.MustExec("create table t1 (id int, a int, b int, unique key (a,b,id)) partition by list columns (b,a) (partition p0 values in ((1,1),(2,2),(3,3),(4,4),(5,5)), partition p1 values in ((6,6),(7,7),(8,8),(9,9),(10,10),(null,10)));") tk1.MustExec("create table t2 (id int, a int, b int, unique key (a,b,id)) partition by list columns (id,a,b) (partition p0 values in ((1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5)), partition p1 values in ((6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,null,null)));") tk1.MustExec("insert into t1 (id,a,b) values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,6,6),(7,7,7),(8,8,8),(9,9,9),(10,10,10),(null,10,null)") @@ -372,6 +375,7 @@ func (s *testPartitionPruneSuit) TestListColumnsPartitionPrunerRandom(c *C) { tk.MustExec("drop database if exists test_partition;") tk.MustExec("create database test_partition") tk.MustExec("use test_partition") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") tk.MustExec(createSQL.String()) tk1 := testkit.NewTestKit(c, s.store) diff --git a/server/server_test.go b/server/server_test.go index 7fde397a257c4..0568c8714ee10 100644 --- a/server/server_test.go +++ b/server/server_test.go @@ -522,6 +522,7 @@ func (cli *testServerClient) runTestLoadDataForListPartition(c *C) { config.AllowAllFiles = true config.Params = map[string]string{"sql_mode": "''"} }, "load_data_list_partition", func(dbt *DBTest) { + dbt.mustExec("set @@session.tidb_enable_table_partition = nightly") dbt.mustExec(`create table t (id int, name varchar(10), unique index idx (id)) partition by list (id) ( partition p0 values in (3,5,6,9,17), @@ -569,6 +570,7 @@ func (cli *testServerClient) runTestLoadDataForListPartition2(c *C) { config.AllowAllFiles = true config.Params = map[string]string{"sql_mode": "''"} }, "load_data_list_partition", func(dbt *DBTest) { + dbt.mustExec("set @@session.tidb_enable_table_partition = nightly") dbt.mustExec(`create table t (id int, name varchar(10),b int generated always as (length(name)+1) virtual, unique index idx (id,b)) partition by list (id*2 + b*b + b*b - b*b*2 - abs(id)) ( partition p0 values in (3,5,6,9,17), @@ -616,6 +618,7 @@ func (cli *testServerClient) runTestLoadDataForListColumnPartition(c *C) { config.AllowAllFiles = true config.Params = map[string]string{"sql_mode": "''"} }, "load_data_list_partition", func(dbt *DBTest) { + dbt.mustExec("set @@session.tidb_enable_table_partition = nightly") dbt.mustExec(`create table t (id int, name varchar(10), unique index idx (id)) partition by list columns (id) ( partition p0 values in (3,5,6,9,17), @@ -663,6 +666,7 @@ func (cli *testServerClient) runTestLoadDataForListColumnPartition2(c *C) { config.AllowAllFiles = true config.Params = map[string]string{"sql_mode": "''"} }, "load_data_list_partition", func(dbt *DBTest) { + dbt.mustExec("set @@session.tidb_enable_table_partition = nightly") dbt.mustExec(`create table t (location varchar(10), id int, a int, unique index idx (location,id)) partition by list columns (location,id) ( partition p_west values in (('w', 1),('w', 2),('w', 3),('w', 4)), partition p_east values in (('e', 5),('e', 6),('e', 7),('e', 8)), diff --git a/session/session_test.go b/session/session_test.go index 4fcf91414c187..d4d793d3c0c66 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -2697,6 +2697,8 @@ func (s *testSessionSuite2) TestCommitRetryCount(c *C) { func (s *testSessionSuite3) TestEnablePartition(c *C) { tk := testkit.NewTestKitWithInit(c, s.store) + tk.MustExec("set tidb_enable_table_partition=nightly") + tk.MustQuery("show variables like 'tidb_enable_table_partition'").Check(testkit.Rows("tidb_enable_table_partition NIGHTLY")) tk.MustExec("set tidb_enable_table_partition=off") tk.MustQuery("show variables like 'tidb_enable_table_partition'").Check(testkit.Rows("tidb_enable_table_partition OFF")) diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 790113d61309a..65ec0033e087e 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -67,6 +67,8 @@ const ( BoolOff = "OFF" // BoolOn is the canonical string representation of a boolean true. BoolOn = "ON" + // Nightly indicate the nightly version. + Nightly = "NIGHTLY" ) // SysVar is for system variable. @@ -1039,7 +1041,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TiDBEnableChunkRPC, Value: BoolOn, Type: TypeBool}, {Scope: ScopeSession, Name: TxnIsolationOneShot, Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableTablePartition, Value: BoolOn, Type: TypeEnum, PossibleValues: []string{BoolOff, BoolOn, "AUTO"}}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableTablePartition, Value: BoolOn, Type: TypeEnum, PossibleValues: []string{BoolOff, BoolOn, "AUTO", Nightly}}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBHashJoinConcurrency, Value: strconv.Itoa(DefTiDBHashJoinConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBProjectionConcurrency, Value: strconv.Itoa(DefTiDBProjectionConcurrency), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBHashAggPartialConcurrency, Value: strconv.Itoa(DefTiDBHashAggPartialConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 673eba2b8b23d..d7782abc314f5 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -145,8 +145,9 @@ const ( TiDBRowFormatVersion = "tidb_row_format_version" // tidb_enable_table_partition is used to control table partition feature. - // The valid value include auto/on/off: - // on or auto: enable table partition if the partition type is implemented. + // The valid value include auto/on/off/nightly: + // on or auto: enable range/hash partition table. + // nightly: enable table partition if the partition type is implemented. // off: always disable table partition. TiDBEnableTablePartition = "tidb_enable_table_partition" From 3ba64be69ff55cf32b317998b21250d5e73baa28 Mon Sep 17 00:00:00 2001 From: xhe Date: Tue, 29 Dec 2020 11:35:44 +0800 Subject: [PATCH 0577/1021] ddl: report error if there is no rule to drop (#22005) Signed-off-by: xhe --- ddl/ddl_api.go | 6 ++++++ ddl/placement_rule_test.go | 41 +++++++++++++++++++++----------------- ddl/placement_sql_test.go | 22 ++++++++++++++++++-- 3 files changed, 49 insertions(+), 20 deletions(-) diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 152677111dcf2..0240d5147a03e 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -5751,6 +5751,7 @@ func buildPlacementSpecs(bundle *placement.Bundle, specs []*ast.PlacementSpec) ( } if spec.Tp == ast.PlacementAlter || spec.Tp == ast.PlacementDrop { + origLen := len(bundle.Rules) newRules := bundle.Rules[:0] for _, r := range bundle.Rules { if r.Role != role { @@ -5761,6 +5762,11 @@ func buildPlacementSpecs(bundle *placement.Bundle, specs []*ast.PlacementSpec) ( // alter == drop + add new rules if spec.Tp == ast.PlacementDrop { + // error if no rules will be dropped + if len(bundle.Rules) == origLen { + err = errors.Errorf("no rule of role '%s' to drop", role) + break + } continue } } diff --git a/ddl/placement_rule_test.go b/ddl/placement_rule_test.go index 37760c521e62f..4c40dcbf91ba1 100644 --- a/ddl/placement_rule_test.go +++ b/ddl/placement_rule_test.go @@ -177,10 +177,6 @@ func (s *testPlacementSuite) TestPlacementBuild(c *C) { Role: ast.PlacementRoleLearner, Tp: ast.PlacementDrop, }, - { - Role: ast.PlacementRoleVoter, - Tp: ast.PlacementDrop, - }, }, bundle: &placement.Bundle{Rules: []*placement.Rule{ {Role: placement.Learner}, @@ -188,32 +184,40 @@ func (s *testPlacementSuite) TestPlacementBuild(c *C) { {Role: placement.Learner}, {Role: placement.Voter}, }}, - output: []*placement.Rule{}, + output: []*placement.Rule{ + {Role: placement.Voter}, + {Role: placement.Voter}, + }, }, { input: []*ast.PlacementSpec{ { - Role: ast.PlacementRoleLearner, - Tp: ast.PlacementAdd, - Replicas: 3, - Constraints: `["+ zone=sh", "-zone = bj"]`, + Role: ast.PlacementRoleLearner, + Tp: ast.PlacementDrop, }, { Role: ast.PlacementRoleVoter, Tp: ast.PlacementDrop, }, }, - output: []*placement.Rule{ + bundle: &placement.Bundle{Rules: []*placement.Rule{ + {Role: placement.Learner}, + {Role: placement.Voter}, + {Role: placement.Learner}, + {Role: placement.Voter}, + }}, + output: []*placement.Rule{}, + }, + + { + input: []*ast.PlacementSpec{ { - Role: placement.Learner, - Count: 3, - LabelConstraints: []placement.LabelConstraint{ - {Key: "zone", Op: "in", Values: []string{"sh"}}, - {Key: "zone", Op: "notIn", Values: []string{"bj"}}, - }, + Role: ast.PlacementRoleLearner, + Tp: ast.PlacementDrop, }, }, + err: ".*no rule of role 'learner' to drop.*", }, } for i, t := range tests { @@ -224,7 +228,8 @@ func (s *testPlacementSuite) TestPlacementBuild(c *C) { bundle = t.bundle } out, err := buildPlacementSpecs(bundle, t.input) - if err == nil { + if t.err == "" { + c.Assert(err, IsNil) expected, err := json.Marshal(t.output) c.Assert(err, IsNil) got, err := json.Marshal(out.Rules) @@ -241,7 +246,7 @@ func (s *testPlacementSuite) TestPlacementBuild(c *C) { c.Assert(found, IsTrue, Commentf("%d test\nexpected %s\nbut got %s", i, expected, got)) } } else { - c.Assert(err.Error(), ErrorMatches, t.err) + c.Assert(err, ErrorMatches, t.err) } } } diff --git a/ddl/placement_sql_test.go b/ddl/placement_sql_test.go index be6fb2bb343a0..f3bfc1c1b9c60 100644 --- a/ddl/placement_sql_test.go +++ b/ddl/placement_sql_test.go @@ -44,8 +44,21 @@ PARTITION BY RANGE (c) ( PARTITION p3 VALUES LESS THAN (21) );`) + is := s.dom.InfoSchema() + bundles := make(map[string]*placement.Bundle) + is.MockBundles(bundles) + + tb, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t1")) + c.Assert(err, IsNil) + partDefs := tb.Meta().GetPartitionInfo().Definitions + p0ID := placement.GroupID(partDefs[0].ID) + bundles[p0ID] = &placement.Bundle{ + ID: p0ID, + Rules: []*placement.Rule{{Role: placement.Leader, Count: 1}}, + } + // normal cases - _, err := tk.Exec(`alter table t1 alter partition p0 + _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy constraints='["+zone=sh"]' role=follower @@ -92,6 +105,11 @@ drop placement policy role=leader`) c.Assert(err, IsNil) + _, err = tk.Exec(`alter table t1 alter partition p0 +drop placement policy + role=follower`) + c.Assert(err, NotNil) + // multiple statements _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy @@ -150,7 +168,7 @@ drop placement policy role=leader, drop placement policy role=leader`) - c.Assert(err, IsNil) + c.Assert(err, NotNil) _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy From 5886c4b6f686f540c367d1eee5cd62fcc27afd07 Mon Sep 17 00:00:00 2001 From: xhe Date: Tue, 29 Dec 2020 11:50:13 +0800 Subject: [PATCH 0578/1021] ddl: check illegal placement label constraint (#22015) Signed-off-by: xhe --- ddl/ddl_api.go | 8 ++- ddl/placement/utils.go | 32 +++++++++++- ddl/placement_rule_test.go | 99 ++++++++++++++++++++++++++++++++++++++ ddl/placement_sql_test.go | 6 +-- 4 files changed, 136 insertions(+), 9 deletions(-) diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 0240d5147a03e..291e7ad77b9d9 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -5688,21 +5688,19 @@ func buildPlacementSpecReplicasAndConstraint(replicas uint64, cnstr string) ([]* ruleCnt := int(replicas) for labels, cnt := range constraints { if cnt <= 0 { - err = errors.Errorf("count should be positive, but got %d", cnt) - break + return rules, errors.Errorf("count should be positive, but got %d", cnt) } if replicas != 0 { ruleCnt -= cnt if ruleCnt < 0 { - err = errors.Errorf("REPLICAS should be larger or equal to the number of total replicas, but got %d", replicas) - break + return rules, errors.Errorf("REPLICAS should be larger or equal to the number of total replicas, but got %d", replicas) } } labelConstraints, err := placement.CheckLabelConstraints(strings.Split(strings.TrimSpace(labels), ",")) if err != nil { - break + return rules, err } rules = append(rules, &placement.Rule{ Count: cnt, diff --git a/ddl/placement/utils.go b/ddl/placement/utils.go index 451044641bb15..ec5f9e4ab5986 100644 --- a/ddl/placement/utils.go +++ b/ddl/placement/utils.go @@ -70,7 +70,37 @@ func CheckLabelConstraints(labels []string) ([]LabelConstraint, error) { if err != nil { return constraints, err } - constraints = append(constraints, label) + + pass := true + + for _, cnst := range constraints { + if label.Key == cnst.Key { + sameOp := label.Op == cnst.Op + sameVal := label.Values[0] == cnst.Values[0] + // no following cases: + // 1. duplicated constraint + // 2. no instance can meet: +dc=sh, -dc=sh + // 3. can not match multiple instances: +dc=sh, +dc=bj + if sameOp && sameVal { + pass = false + break + } else if (!sameOp && sameVal) || (sameOp && !sameVal && label.Op == In) { + s1, err := label.Restore() + if err != nil { + s1 = err.Error() + } + s2, err := cnst.Restore() + if err != nil { + s2 = err.Error() + } + return constraints, errors.Errorf("conflicting constraints '%s' and '%s'", s1, s2) + } + } + } + + if pass { + constraints = append(constraints, label) + } } return constraints, nil } diff --git a/ddl/placement_rule_test.go b/ddl/placement_rule_test.go index 4c40dcbf91ba1..8b719bd76ccdb 100644 --- a/ddl/placement_rule_test.go +++ b/ddl/placement_rule_test.go @@ -41,6 +41,105 @@ func (s *testPlacementSuite) TestPlacementBuild(c *C) { output: []*placement.Rule{}, }, + { + input: []*ast.PlacementSpec{{ + Role: ast.PlacementRoleVoter, + Tp: ast.PlacementAdd, + Replicas: 3, + Constraints: `["+zone=sh", "+zone=sh"]`, + }}, + output: []*placement.Rule{ + { + Role: placement.Voter, + Count: 3, + LabelConstraints: []placement.LabelConstraint{ + {Key: "zone", Op: "in", Values: []string{"sh"}}, + }, + }, + }, + }, + + { + input: []*ast.PlacementSpec{{ + Role: ast.PlacementRoleVoter, + Tp: ast.PlacementAdd, + Replicas: 3, + Constraints: `["+zone=sh", "-zone=sh"]`, + }}, + err: ".*conflicting constraints.*", + }, + + { + input: []*ast.PlacementSpec{{ + Role: ast.PlacementRoleVoter, + Tp: ast.PlacementAdd, + Replicas: 3, + Constraints: `["+zone=sh", "+zone=bj"]`, + }}, + err: ".*conflicting constraints.*", + }, + + { + input: []*ast.PlacementSpec{{ + Role: ast.PlacementRoleVoter, + Tp: ast.PlacementAdd, + Constraints: `{"+zone=sh,+zone=sh": 2, "+zone=sh": 1}`, + }}, + output: []*placement.Rule{ + { + Role: placement.Voter, + Count: 1, + LabelConstraints: []placement.LabelConstraint{ + {Key: "zone", Op: "in", Values: []string{"sh"}}, + }, + }, + { + Role: placement.Voter, + Count: 2, + LabelConstraints: []placement.LabelConstraint{ + {Key: "zone", Op: "in", Values: []string{"sh"}}, + }, + }, + }, + }, + + { + input: []*ast.PlacementSpec{{ + Role: ast.PlacementRoleVoter, + Tp: ast.PlacementAdd, + Constraints: `{"+zone=sh,-zone=sh": 2, "+zone=sh": 1}`, + }}, + err: ".*conflicting constraints.*", + }, + + { + input: []*ast.PlacementSpec{{ + Role: ast.PlacementRoleVoter, + Tp: ast.PlacementAdd, + Constraints: `{"+zone=sh,+zone=bj": 2, "+zone=sh": 1}`, + }}, + err: ".*conflicting constraints.*", + }, + + { + input: []*ast.PlacementSpec{{ + Role: ast.PlacementRoleVoter, + Tp: ast.PlacementAdd, + Replicas: 3, + Constraints: `["- zone=sh", "-zone = bj"]`, + }}, + output: []*placement.Rule{ + { + Role: placement.Voter, + Count: 3, + LabelConstraints: []placement.LabelConstraint{ + {Key: "zone", Op: "notIn", Values: []string{"sh"}}, + {Key: "zone", Op: "notIn", Values: []string{"bj"}}, + }, + }, + }, + }, + { input: []*ast.PlacementSpec{{ Role: ast.PlacementRoleVoter, diff --git a/ddl/placement_sql_test.go b/ddl/placement_sql_test.go index f3bfc1c1b9c60..ffabd62704883 100644 --- a/ddl/placement_sql_test.go +++ b/ddl/placement_sql_test.go @@ -128,7 +128,7 @@ add placement policy role=follower replicas=3, add placement policy - constraints='{"+zone=sh,+zone=bj":1,"+zone=sh,+zone=bj":1}' + constraints='{"+zone=sh,-zone=bj":1,"+zone=sh,-zone=bj":1}' role=follower replicas=3`) c.Assert(err, IsNil) @@ -154,7 +154,7 @@ add placement policy role=follower replicas=3, add placement policy - constraints='{"+zone=sh,+zone=bj":1,"+zone=sh,+zone=bj":1}' + constraints='{"+zone=sh,-zone=bj":1,"+zone=sh,-zone=bj":1}' role=follower replicas=3, alter placement policy @@ -172,7 +172,7 @@ drop placement policy _, err = tk.Exec(`alter table t1 alter partition p0 add placement policy - constraints='{"+zone=sh,+zone=bj":1,"+zone=sh,+zone=bj":1}' + constraints='{"+zone=sh,-zone=bj":1,"+zone=sh,-zone=bj":1}' role=voter replicas=3, drop placement policy From fa952307bfc8a0352f385c0abae9803aafeefc8d Mon Sep 17 00:00:00 2001 From: Rain Li Date: Tue, 29 Dec 2020 14:35:13 +0800 Subject: [PATCH 0579/1021] ddl: fix default decimal Flen value (#22036) --- ddl/db_test.go | 35 +++++++++++++++++++++++++++++++++++ planner/core/preprocess.go | 6 ++++++ 2 files changed, 41 insertions(+) diff --git a/ddl/db_test.go b/ddl/db_test.go index 6d7fab25f5985..5a06cbaa61567 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -6489,3 +6489,38 @@ func (s *testDBSuite4) TestUnsupportedAlterTableOption(c *C) { tk.MustExec("create table t(a char(10) not null,b char(20)) shard_row_id_bits=6;") tk.MustGetErrCode("alter table t pre_split_regions=6;", errno.ErrUnsupportedDDLOperation) } + +func (s *testDBSuite4) TestCreateTableWithDecimalWithDoubleZero(c *C) { + tk := testkit.NewTestKit(c, s.store) + + checkType := func(db, table, field string) { + ctx := tk.Se.(sessionctx.Context) + is := domain.GetDomain(ctx).InfoSchema() + tableInfo, err := is.TableByName(model.NewCIStr(db), model.NewCIStr(table)) + c.Assert(err, IsNil) + tblInfo := tableInfo.Meta() + for _, col := range tblInfo.Columns { + if col.Name.L == field { + c.Assert(col.Flen, Equals, 10) + } + } + } + + tk.MustExec("use test") + tk.MustExec("drop table if exists tt") + tk.MustExec("create table tt(d decimal(0, 0))") + checkType("test", "tt", "d") + + tk.MustExec("drop table tt") + tk.MustExec("create table tt(a int)") + tk.MustExec("alter table tt add column d decimal(0, 0)") + checkType("test", "tt", "d") + + /* + Currently not support change column to decimal + tk.MustExec("drop table tt") + tk.MustExec("create table tt(d int)") + tk.MustExec("alter table tt change column d d decimal(0, 0)") + checkType("test", "tt", "d") + */ +} diff --git a/planner/core/preprocess.go b/planner/core/preprocess.go index 68e9e28fe3911..5fd78a2d59f95 100644 --- a/planner/core/preprocess.go +++ b/planner/core/preprocess.go @@ -992,6 +992,12 @@ func checkColumn(colDef *ast.ColumnDef) error { if tp.Flen > mysql.MaxDecimalWidth { return types.ErrTooBigPrecision.GenWithStackByArgs(tp.Flen, colDef.Name.Name.O, mysql.MaxDecimalWidth) } + + // If decimal and flen all equals 0, just set flen to default value. + if tp.Decimal == 0 && tp.Flen == 0 { + defaultFlen, _ := mysql.GetDefaultFieldLengthAndDecimal(mysql.TypeNewDecimal) + tp.Flen = defaultFlen + } case mysql.TypeBit: if tp.Flen <= 0 { return types.ErrInvalidFieldSize.GenWithStackByArgs(colDef.Name.Name.O) From cdd391ba742688f1c44cf00dcc6462da5029535c Mon Sep 17 00:00:00 2001 From: 0xflotus <0xflotus@gmail.com> Date: Tue, 29 Dec 2020 08:26:50 +0100 Subject: [PATCH 0580/1021] docs: fix small errors (#22059) --- docs/design/2019-11-18-tidb-with-wasm.md | 6 +++--- docs/design/2020-03-12-invisible-index.md | 4 ++-- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/docs/design/2019-11-18-tidb-with-wasm.md b/docs/design/2019-11-18-tidb-with-wasm.md index 34a0a78f7d481..edfc5284aff51 100644 --- a/docs/design/2019-11-18-tidb-with-wasm.md +++ b/docs/design/2019-11-18-tidb-with-wasm.md @@ -34,7 +34,7 @@ a corresponding assembly language, and an interface to interact with the hosting main goal is to enable applications with high performance requirements to run on web pages. Of course, its instruction format is also designed to be able to run on other platforms. -The WebAssembly virtual machine has better performance than JavaScript because WebAsembly's binary +The WebAssembly virtual machine has better performance than JavaScript because WebAssembly's binary format file has a more compact instruction structure, similar to ELF files (the most commonly used binary instruction format on Unix systems, which is parsed by the loader and loaded into memory for execution). WebAssembly is compiled into memory for execution by a specific runtime. The most common @@ -100,13 +100,13 @@ the file name format is: - *_GOARCH - *_GOOS_GOARCH -So the only thing we need do is to add *_wasm.go, and mock an implemention based on the implemention for other platforms. +So the only thing we need do is to add *_wasm.go, and mock an implementation based on the implementation for other platforms. For case 2, the solution is same as case 1, because we can modify the third-party code directly. For case 3 and case 4, we can’t modify the code directly. There are 3 solutions: -- Open issues for these repos, and ask their owners to support WebAseembly +- Open issues for these repos, and ask their owners to support WebAssembly - Advantage: we don’t need to do it ourselves, and we can keep up with upstream - Disadvantage: some repos have been archived, and some are no longer maintained, nobody will reply our issue - Clone these repos to pingcap org and modify their code, then switch the reference of TiDB to the new repos. diff --git a/docs/design/2020-03-12-invisible-index.md b/docs/design/2020-03-12-invisible-index.md index e44cfcd07abfd..ef77b1ed0fefc 100644 --- a/docs/design/2020-03-12-invisible-index.md +++ b/docs/design/2020-03-12-invisible-index.md @@ -65,7 +65,7 @@ Another solution for implement invisible indexes is: Indicate invisibility by DD ## Compatibility and Migration Plan -This the a new feature and it's absolutly compatible with old TiDB versions, also, it does not impact any data migration. +This the a new feature and it's absolutely compatible with old TiDB versions, also, it does not impact any data migration. The syntax and functions are basically compatible with MySQL expect: When use invisible index in `SQL Hint`, and set `use_invisible_indexes = false`, MySQL allow use the invisible index. @@ -76,7 +76,7 @@ The syntax and functions are basically compatible with MySQL expect: - Add syntax support in parser - Add a new column `IS_VISIBLE` in `information_schema.statistics` - Add a new column `VISIBLE` in `SHOW INDEX FROM table` statement -- Show invisiable column infomations in `SHOW CREATE TABLE` statement +- Show invisible column information in `SHOW CREATE TABLE` statement - Add `use_invisible_indexes` in system variable `@@optimizer_switch` - Add new error message `ERROR 3522 (HY000): A primary key index cannot be invisible` - Ignore invisible index in optimizer and add unit tests From 2c429bdc0a4c7c285114dbfcc07a89940c6afba8 Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Tue, 29 Dec 2020 15:41:10 +0800 Subject: [PATCH 0581/1021] ddl, planner: fix no failure in modifing and creating column DOUBLE(0,0) (#22039) --- ddl/db_integration_test.go | 13 +++++++++++++ planner/core/preprocess.go | 2 +- 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/ddl/db_integration_test.go b/ddl/db_integration_test.go index 2ac8ab3684d0c..8c65a22c52871 100644 --- a/ddl/db_integration_test.go +++ b/ddl/db_integration_test.go @@ -2666,3 +2666,16 @@ func (s *testIntegrationSuite7) TestDuplicateErrorMessage(c *C) { } } } + +func (s *testIntegrationSuite3) TestIssue22028(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t;") + _, err := tk.Exec("create table t(a double(0, 0));") + c.Assert(err.Error(), Equals, "[types:1439]Display width out of range for column 'a' (max = 255)") + + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t(a double);") + _, err = tk.Exec("ALTER TABLE t MODIFY COLUMN a DOUBLE(0,0);") + c.Assert(err.Error(), Equals, "[types:1439]Display width out of range for column 'a' (max = 255)") +} diff --git a/planner/core/preprocess.go b/planner/core/preprocess.go index 5fd78a2d59f95..8c722ef9451d6 100644 --- a/planner/core/preprocess.go +++ b/planner/core/preprocess.go @@ -970,7 +970,7 @@ func checkColumn(colDef *ast.ColumnDef) error { if tp.Decimal > mysql.MaxFloatingTypeScale { return types.ErrTooBigScale.GenWithStackByArgs(tp.Decimal, colDef.Name.Name.O, mysql.MaxFloatingTypeScale) } - if tp.Flen > mysql.MaxFloatingTypeWidth { + if tp.Flen > mysql.MaxFloatingTypeWidth || tp.Flen == 0 { return types.ErrTooBigDisplayWidth.GenWithStackByArgs(colDef.Name.Name.O, mysql.MaxFloatingTypeWidth) } } From 3e64072c3c34b46011486af7a791f9b7ed626732 Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Tue, 29 Dec 2020 16:06:54 +0800 Subject: [PATCH 0582/1021] ddl, planner, types: add M>=D checking for decimal column definition with default value (#21845) --- ddl/db_integration_test.go | 8 ++++++++ planner/core/preprocess.go | 6 ++++++ 2 files changed, 14 insertions(+) diff --git a/ddl/db_integration_test.go b/ddl/db_integration_test.go index 8c65a22c52871..3b6c31ccd2eb0 100644 --- a/ddl/db_integration_test.go +++ b/ddl/db_integration_test.go @@ -2679,3 +2679,11 @@ func (s *testIntegrationSuite3) TestIssue22028(c *C) { _, err = tk.Exec("ALTER TABLE t MODIFY COLUMN a DOUBLE(0,0);") c.Assert(err.Error(), Equals, "[types:1439]Display width out of range for column 'a' (max = 255)") } + +func (s *testIntegrationSuite3) TestIssue21835(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t;") + _, err := tk.Exec("create table t( col decimal(1,2) not null default 0);") + c.Assert(err.Error(), Equals, "[types:1427]For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column 'col').") +} diff --git a/planner/core/preprocess.go b/planner/core/preprocess.go index 8c722ef9451d6..78b639e15e764 100644 --- a/planner/core/preprocess.go +++ b/planner/core/preprocess.go @@ -973,6 +973,9 @@ func checkColumn(colDef *ast.ColumnDef) error { if tp.Flen > mysql.MaxFloatingTypeWidth || tp.Flen == 0 { return types.ErrTooBigDisplayWidth.GenWithStackByArgs(colDef.Name.Name.O, mysql.MaxFloatingTypeWidth) } + if tp.Flen < tp.Decimal { + return types.ErrMBiggerThanD.GenWithStackByArgs(colDef.Name.Name.O) + } } case mysql.TypeSet: if len(tp.Elems) > mysql.MaxTypeSetMembers { @@ -993,6 +996,9 @@ func checkColumn(colDef *ast.ColumnDef) error { return types.ErrTooBigPrecision.GenWithStackByArgs(tp.Flen, colDef.Name.Name.O, mysql.MaxDecimalWidth) } + if tp.Flen < tp.Decimal { + return types.ErrMBiggerThanD.GenWithStackByArgs(colDef.Name.Name.O) + } // If decimal and flen all equals 0, just set flen to default value. if tp.Decimal == 0 && tp.Flen == 0 { defaultFlen, _ := mysql.GetDefaultFieldLengthAndDecimal(mysql.TypeNewDecimal) From 97f8bea90e8fa6423fb311e9ba684acc2ab4a71c Mon Sep 17 00:00:00 2001 From: Yifan Xu <30385241+xuyifangreeneyes@users.noreply.github.com> Date: Tue, 29 Dec 2020 02:26:00 -0600 Subject: [PATCH 0583/1021] planner: fix incorrect range for prefix index range scan (#22037) --- util/ranger/ranger.go | 24 +++++++++++-- util/ranger/ranger_test.go | 73 +++++++++++++++++++++++++++++++++++++- 2 files changed, 94 insertions(+), 3 deletions(-) diff --git a/util/ranger/ranger.go b/util/ranger/ranger.go index 2f815237f82dc..3f2fdfc1ed800 100644 --- a/util/ranger/ranger.go +++ b/util/ranger/ranger.go @@ -291,7 +291,10 @@ func buildColumnRange(accessConditions []expression.Expression, sc *stmtctx.Stat } if colLen != types.UnspecifiedLength { for _, ran := range ranges { - if CutDatumByPrefixLen(&ran.LowVal[0], colLen, tp) { + // If the length of the last column of LowVal is equal to the prefix length, LowExclude should be set false. + // For example, `col_varchar > 'xx'` should be converted to range [xx, +inf) when the prefix index length of + // `col_varchar` is 2. Otherwise we would miss values like 'xxx' if we execute (xx, +inf) index range scan. + if CutDatumByPrefixLen(&ran.LowVal[0], colLen, tp) || ReachPrefixLen(&ran.LowVal[0], colLen, tp) { ran.LowExclude = false } if CutDatumByPrefixLen(&ran.HighVal[0], colLen, tp) { @@ -460,7 +463,10 @@ func fixPrefixColRange(ranges []*Range, lengths []int, tp []*types.FieldType) bo CutDatumByPrefixLen(&ran.LowVal[i], lengths[i], tp[i]) } lowCut := CutDatumByPrefixLen(&ran.LowVal[lowTail], lengths[lowTail], tp[lowTail]) - if lowCut { + // If the length of the last column of LowVal is equal to the prefix length, LowExclude should be set false. + // For example, `col_varchar > 'xx'` should be converted to range [xx, +inf) when the prefix index length of + // `col_varchar` is 2. Otherwise we would miss values like 'xxx' if we execute (xx, +inf) index range scan. + if lowCut || ReachPrefixLen(&ran.LowVal[lowTail], lengths[lowTail], tp[lowTail]) { ran.LowExclude = false } highTail := len(ran.HighVal) - 1 @@ -503,6 +509,20 @@ func CutDatumByPrefixLen(v *types.Datum, length int, tp *types.FieldType) bool { return false } +// ReachPrefixLen checks whether the length of v is equal to the prefix length. +func ReachPrefixLen(v *types.Datum, length int, tp *types.FieldType) bool { + if v.Kind() == types.KindString || v.Kind() == types.KindBytes { + colCharset := tp.Charset + colValue := v.GetBytes() + isUTF8Charset := colCharset == charset.CharsetUTF8 || colCharset == charset.CharsetUTF8MB4 + if isUTF8Charset { + return length != types.UnspecifiedLength && utf8.RuneCount(colValue) == length + } + return length != types.UnspecifiedLength && len(colValue) == length + } + return false +} + // We cannot use the FieldType of column directly. e.g. the column a is int32 and we have a > 1111111111111111111. // Obviously the constant is bigger than MaxInt32, so we will get overflow error if we use the FieldType of column a. func newFieldType(tp *types.FieldType) *types.FieldType { diff --git a/util/ranger/ranger_test.go b/util/ranger/ranger_test.go index f7c400b01cbba..f0dd53451ab1a 100644 --- a/util/ranger/ranger_test.go +++ b/util/ranger/ranger_test.go @@ -582,7 +582,7 @@ create table t( exprStr: `d < "你好" || d > "你好"`, accessConds: "[or(lt(test.t.d, 你好), gt(test.t.d, 你好))]", filterConds: "[or(lt(test.t.d, 你好), gt(test.t.d, 你好))]", - resultStr: "[[-inf,\"你好\") (\"你好\",+inf]]", + resultStr: "[[-inf,+inf]]", }, { indexPos: 2, @@ -1628,3 +1628,74 @@ func (s *testRangerSuite) TestIndexRangeForYear(c *C) { c.Assert(got, Equals, tt.resultStr, Commentf("different for expr %s", tt.exprStr)) } } + +// For https://github.com/pingcap/tidb/issues/22032 +func (s *testRangerSuite) TestPrefixIndexRangeScan(c *C) { + defer testleak.AfterTest(c)() + dom, store, err := newDomainStoreWithBootstrap(c) + defer func() { + dom.Close() + store.Close() + }() + c.Assert(err, IsNil) + testKit := testkit.NewTestKit(c, store) + + testKit.MustExec("use test") + testKit.MustExec("drop table if exists t") + testKit.MustExec("create table t (a varchar(50), b varchar(50), index idx_a(a(2)), index idx_ab(a(2), b(2)))") + testKit.MustExec("insert into t values ('aa', 'bb'), ('aaa', 'bbb')") + testKit.MustQuery("select * from t use index (idx_a) where a > 'aa'").Check(testkit.Rows("aaa bbb")) + testKit.MustQuery("select * from t use index (idx_ab) where a = 'aaa' and b > 'bb' and b < 'cc'").Check(testkit.Rows("aaa bbb")) + + tests := []struct { + indexPos int + exprStr string + accessConds string + filterConds string + resultStr string + }{ + { + indexPos: 0, + exprStr: "a > 'aa'", + accessConds: "[gt(test.t.a, aa)]", + filterConds: "[gt(test.t.a, aa)]", + resultStr: "[[\"aa\",+inf]]", + }, + { + indexPos: 1, + exprStr: "a = 'aaa' and b > 'bb' and b < 'cc'", + accessConds: "[eq(test.t.a, aaa) gt(test.t.b, bb) lt(test.t.b, cc)]", + filterConds: "[eq(test.t.a, aaa) gt(test.t.b, bb) lt(test.t.b, cc)]", + resultStr: "[[\"aa\" \"bb\",\"aa\" \"cc\")]", + }, + } + + ctx := context.Background() + for _, tt := range tests { + sql := "select * from t where " + tt.exprStr + sctx := testKit.Se.(sessionctx.Context) + stmts, err := session.Parse(sctx, sql) + c.Assert(err, IsNil, Commentf("error %v, for expr %s", err, tt.exprStr)) + c.Assert(stmts, HasLen, 1) + is := domain.GetDomain(sctx).InfoSchema() + err = plannercore.Preprocess(sctx, stmts[0], is) + c.Assert(err, IsNil, Commentf("error %v, for resolve name, expr %s", err, tt.exprStr)) + p, _, err := plannercore.BuildLogicalPlan(ctx, sctx, stmts[0], is) + c.Assert(err, IsNil, Commentf("error %v, for build plan, expr %s", err, tt.exprStr)) + selection := p.(plannercore.LogicalPlan).Children()[0].(*plannercore.LogicalSelection) + tbl := selection.Children()[0].(*plannercore.DataSource).TableInfo() + c.Assert(selection, NotNil, Commentf("expr:%v", tt.exprStr)) + conds := make([]expression.Expression, len(selection.Conditions)) + for i, cond := range selection.Conditions { + conds[i] = expression.PushDownNot(sctx, cond) + } + cols, lengths := expression.IndexInfo2PrefixCols(tbl.Columns, selection.Schema().Columns, tbl.Indices[tt.indexPos]) + c.Assert(cols, NotNil) + res, err := ranger.DetachCondAndBuildRangeForIndex(sctx, conds, cols, lengths) + c.Assert(err, IsNil) + c.Assert(fmt.Sprintf("%s", res.AccessConds), Equals, tt.accessConds, Commentf("wrong access conditions for expr: %s", tt.exprStr)) + c.Assert(fmt.Sprintf("%s", res.RemainedConds), Equals, tt.filterConds, Commentf("wrong filter conditions for expr: %s", tt.exprStr)) + got := fmt.Sprintf("%v", res.Ranges) + c.Assert(got, Equals, tt.resultStr, Commentf("different for expr %s", tt.exprStr)) + } +} From 0217a00191eba9fbdf974f3ae48143fd6ffb9ee2 Mon Sep 17 00:00:00 2001 From: JmPotato Date: Tue, 29 Dec 2020 17:03:16 +0800 Subject: [PATCH 0584/1021] session: add more Local Txn tests (#22020) Signed-off-by: JmPotato --- session/session_test.go | 76 ++++++++++++++++++++++++++++++++--------- 1 file changed, 60 insertions(+), 16 deletions(-) diff --git a/session/session_test.go b/session/session_test.go index d4d793d3c0c66..bb59291b4244a 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -3272,7 +3272,6 @@ func (s *testSessionSuite2) TestGlobalAndLocalTxn(c *C) { return } tk := testkit.NewTestKitWithInit(c, s.store) - tk.MustExec("use test") tk.MustExec("drop table if exists t1;") defer tk.MustExec("drop table if exists t1") tk.MustExec(`create table t1 (c int) @@ -3316,61 +3315,106 @@ PARTITION BY RANGE (c) ( tk.MustExec(fmt.Sprintf("set @@session.txn_scope = '%s';", oracle.GlobalTxnScope)) result := tk.MustQuery("select @@txn_scope;") result.Check(testkit.Rows(oracle.GlobalTxnScope)) - // test global txn - tk.MustExec("insert into t1 (c) values (1)") // in dc-1 with global scope - result = tk.MustQuery("select * from t1") + + // test global txn auto commit + tk.MustExec("insert into t1 (c) values (1)") // write dc-1 with global scope + result = tk.MustQuery("select * from t1") // read dc-1 and dc-2 with global scope c.Assert(len(result.Rows()), Equals, 1) + + // begin and commit with global txn scope tk.MustExec("begin") txn, err := tk.Se.Txn(true) c.Assert(err, IsNil) c.Assert(tk.Se.GetSessionVars().TxnCtx.TxnScope, Equals, oracle.GlobalTxnScope) c.Assert(txn.Valid(), IsTrue) - tk.MustExec("insert into t1 (c) values (1)") // in dc-1 with global scope - result = tk.MustQuery("select * from t1") + tk.MustExec("insert into t1 (c) values (1)") // write dc-1 with global scope + result = tk.MustQuery("select * from t1") // read dc-1 and dc-2 with global scope c.Assert(len(result.Rows()), Equals, 2) c.Assert(txn.Valid(), IsTrue) tk.MustExec("commit") result = tk.MustQuery("select * from t1") c.Assert(len(result.Rows()), Equals, 2) - tk.MustExec("insert into t1 (c) values (101)") // in dc-2 with global scope + + // begin and rollback with global txn scope + tk.MustExec("begin") + txn, err = tk.Se.Txn(true) + c.Assert(err, IsNil) + c.Assert(tk.Se.GetSessionVars().TxnCtx.TxnScope, Equals, oracle.GlobalTxnScope) + c.Assert(txn.Valid(), IsTrue) + tk.MustExec("insert into t1 (c) values (101)") // write dc-2 with global scope + result = tk.MustQuery("select * from t1") // read dc-1 and dc-2 with global scope + c.Assert(len(result.Rows()), Equals, 3) + c.Assert(txn.Valid(), IsTrue) + tk.MustExec("rollback") result = tk.MustQuery("select * from t1") + c.Assert(len(result.Rows()), Equals, 2) + + tk.MustExec("insert into t1 (c) values (101)") // write dc-2 with global scope + result = tk.MustQuery("select * from t1") // read dc-1 and dc-2 with global scope c.Assert(len(result.Rows()), Equals, 3) // set txn_scope to local tk.MustExec("set @@session.txn_scope = 'dc-1';") result = tk.MustQuery("select @@txn_scope;") result.Check(testkit.Rows("dc-1")) - // test local txn - tk.MustExec("insert into t1 (c) values (1)") // in dc-1 with dc-1 scope - result = tk.MustQuery("select * from t1 where c < 100") + + // test local txn auto commit + tk.MustExec("insert into t1 (c) values (1)") // write dc-1 with dc-1 scope + result = tk.MustQuery("select * from t1 where c < 100") // read dc-1 with dc-1 scope c.Assert(len(result.Rows()), Equals, 3) + + // begin and commit with dc-1 txn scope tk.MustExec("begin") txn, err = tk.Se.Txn(true) c.Assert(err, IsNil) c.Assert(tk.Se.GetSessionVars().TxnCtx.TxnScope, Equals, "dc-1") c.Assert(txn.Valid(), IsTrue) - tk.MustExec("insert into t1 (c) values (1)") // in dc-1 with dc-1 scope - result = tk.MustQuery("select * from t1 where c < 100") + tk.MustExec("insert into t1 (c) values (1)") // write dc-1 with dc-1 scope + result = tk.MustQuery("select * from t1 where c < 100") // read dc-1 with dc-1 scope c.Assert(len(result.Rows()), Equals, 4) c.Assert(txn.Valid(), IsTrue) tk.MustExec("commit") result = tk.MustQuery("select * from t1 where c < 100") c.Assert(len(result.Rows()), Equals, 4) - // test wrong scope local txn - _, err = tk.Exec("insert into t1 (c) values (101)") // in dc-2 with dc-1 scope - c.Assert(err.Error(), Matches, ".*out of txn_scope.*") + // begin and rollback with dc-1 txn scope + tk.MustExec("begin") + txn, err = tk.Se.Txn(true) + c.Assert(err, IsNil) + c.Assert(tk.Se.GetSessionVars().TxnCtx.TxnScope, Equals, "dc-1") + c.Assert(txn.Valid(), IsTrue) + tk.MustExec("insert into t1 (c) values (1)") // write dc-1 with dc-1 scope + result = tk.MustQuery("select * from t1 where c < 100") // read dc-1 with dc-1 scope + c.Assert(len(result.Rows()), Equals, 5) + c.Assert(txn.Valid(), IsTrue) + tk.MustExec("rollback") result = tk.MustQuery("select * from t1 where c < 100") c.Assert(len(result.Rows()), Equals, 4) + + // test wrong scope local txn auto commit + _, err = tk.Exec("insert into t1 (c) values (101)") // write dc-2 with dc-1 scope + c.Assert(err.Error(), Matches, ".*out of txn_scope.*") + err = tk.ExecToErr("select * from t1 where c > 100") // read dc-2 with dc-1 scope + c.Assert(err.Error(), Matches, ".*can not be read by.*") + + // begin and commit reading & writing the data in dc-2 with dc-1 txn scope tk.MustExec("begin") txn, err = tk.Se.Txn(true) c.Assert(err, IsNil) c.Assert(tk.Se.GetSessionVars().TxnCtx.TxnScope, Equals, "dc-1") c.Assert(txn.Valid(), IsTrue) - tk.MustExec("insert into t1 (c) values (101)") // in dc-2 with dc-1 scope + tk.MustExec("insert into t1 (c) values (101)") // write dc-2 with dc-1 scope + err = tk.ExecToErr("select * from t1 where c > 100") // read dc-2 with dc-1 scope + c.Assert(err.Error(), Matches, ".*can not be read by.*") + tk.MustExec("insert into t1 (c) values (99)") // write dc-1 with dc-1 scope + result = tk.MustQuery("select * from t1 where c < 100") // read dc-1 with dc-1 scope + c.Assert(len(result.Rows()), Equals, 5) c.Assert(txn.Valid(), IsTrue) _, err = tk.Exec("commit") c.Assert(err.Error(), Matches, ".*out of txn_scope.*") + // Won't read the value 99 because the previous commit failed + result = tk.MustQuery("select * from t1 where c < 100") // read dc-1 with dc-1 scope + c.Assert(len(result.Rows()), Equals, 4) } func (s *testSessionSuite2) TestSetEnableRateLimitAction(c *C) { From 5756bf81469232e405aaba6fc95e7d9bb910b4cd Mon Sep 17 00:00:00 2001 From: xhe Date: Wed, 30 Dec 2020 11:13:14 +0800 Subject: [PATCH 0585/1021] ddl: fix inconsistent rule cache (#22051) Signed-off-by: xhe --- infoschema/infoschema.go | 11 +++++++---- infoschema/infoschema_test.go | 14 +++++++++++++- 2 files changed, 20 insertions(+), 5 deletions(-) diff --git a/infoschema/infoschema.go b/infoschema/infoschema.go index d01e42d76871d..4e2643ba3f1ae 100644 --- a/infoschema/infoschema.go +++ b/infoschema/infoschema.go @@ -428,17 +428,20 @@ func GetBundle(h InfoSchema, ids []int64) *placement.Bundle { } } + newRules := []*placement.Rule{} + b, ok := h.BundleByName(placement.PDBundleID) if ok { - newRules := b.Rules[:0] for _, rule := range b.Rules { if rule.StartKeyHex == "" && rule.EndKeyHex == "" { newRules = append(newRules, rule.Clone()) } } - b.Rules = newRules - return b } - return &placement.Bundle{ID: placement.GroupID(ids[0])} + id := int64(-1) + if len(ids) > 0 { + id = ids[0] + } + return &placement.Bundle{ID: placement.GroupID(id), Rules: newRules} } diff --git a/infoschema/infoschema_test.go b/infoschema/infoschema_test.go index 38cb62a786daf..578d149e7382c 100644 --- a/infoschema/infoschema_test.go +++ b/infoschema/infoschema_test.go @@ -369,7 +369,11 @@ func (*testSuite) TestGetBundle(c *C) { bundles[placement.PDBundleID] = bundle b := infoschema.GetBundle(is, []int64{}) - c.Assert(b, DeepEquals, bundle) + c.Assert(b.Rules, DeepEquals, bundle.Rules) + + // bundle itself is cloned + b.ID = "test" + c.Assert(bundle.ID, Equals, placement.PDBundleID) ptID := placement.GroupID(3) bundle = &placement.Bundle{ @@ -388,6 +392,10 @@ func (*testSuite) TestGetBundle(c *C) { b = infoschema.GetBundle(is, []int64{2, 3}) c.Assert(b, DeepEquals, bundle) + // bundle itself is cloned + b.ID = "test" + c.Assert(bundle.ID, Equals, ptID) + ptID = placement.GroupID(1) bundle = &placement.Bundle{ ID: ptID, @@ -404,4 +412,8 @@ func (*testSuite) TestGetBundle(c *C) { b = infoschema.GetBundle(is, []int64{1, 2, 3}) c.Assert(b, DeepEquals, bundle) + + // bundle itself is cloned + b.ID = "test" + c.Assert(bundle.ID, Equals, ptID) } From 795e88ae93a2eafa7b636400da5e9a089ac07c01 Mon Sep 17 00:00:00 2001 From: lysu Date: Wed, 30 Dec 2020 11:27:44 +0800 Subject: [PATCH 0586/1021] executor: fix signed cluster index behavior (#22085) Signed-off-by: lysu --- executor/analyze.go | 2 +- executor/distsql.go | 4 ++-- executor/executor_test.go | 16 ++++++++++++++++ executor/table_reader.go | 2 +- 4 files changed, 20 insertions(+), 4 deletions(-) diff --git a/executor/analyze.go b/executor/analyze.go index 58d84dc459d3a..c0837bf5e07a0 100644 --- a/executor/analyze.go +++ b/executor/analyze.go @@ -474,7 +474,7 @@ type AnalyzeColumnsExec struct { func (e *AnalyzeColumnsExec) open(ranges []*ranger.Range) error { e.resultHandler = &tableResultHandler{} - firstPartRanges, secondPartRanges := splitRanges(ranges, true, false) + firstPartRanges, secondPartRanges := splitRanges(ranges, true, false, !hasPkHist(e.handleCols)) firstResult, err := e.buildResp(firstPartRanges) if err != nil { return err diff --git a/executor/distsql.go b/executor/distsql.go index 1f6fe6a581fe3..b8d4e0caf2e9f 100644 --- a/executor/distsql.go +++ b/executor/distsql.go @@ -144,8 +144,8 @@ func handleIsExtra(col *expression.Column) bool { return false } -func splitRanges(ranges []*ranger.Range, keepOrder bool, desc bool) ([]*ranger.Range, []*ranger.Range) { - if len(ranges) == 0 || ranges[0].LowVal[0].Kind() == types.KindInt64 { +func splitRanges(ranges []*ranger.Range, keepOrder bool, desc bool, isCommonHandle bool) ([]*ranger.Range, []*ranger.Range) { + if isCommonHandle || len(ranges) == 0 || ranges[0].LowVal[0].Kind() == types.KindInt64 { return ranges, nil } idx := sort.Search(len(ranges), func(i int) bool { return ranges[i].HighVal[0].GetUint64() > math.MaxInt64 }) diff --git a/executor/executor_test.go b/executor/executor_test.go index 014d1271942ab..f578ef47e1d08 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -3577,6 +3577,22 @@ func (s *testSuite) TestUnsignedPk(c *C) { tk.MustQuery("select * from t use index(idx) where b = 1 order by b, a").Check(testkit.Rows("1 1", "9223372036854775808 1")) } +func (s *testSuite) TestSignedCommonHandle(c *C) { + tk := testkit.NewTestKitWithInit(c, s.store) + + tk.MustExec("set @@tidb_enable_clustered_index=1") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(k1 int, k2 int, primary key(k1, k2))") + tk.MustExec("insert into t(k1, k2) value(-100, 1), (-50, 1), (0, 0), (1, 1), (3, 3)") + tk.MustQuery("select k1 from t order by k1").Check(testkit.Rows("-100", "-50", "0", "1", "3")) + tk.MustQuery("select k1 from t order by k1 desc").Check(testkit.Rows("3", "1", "0", "-50", "-100")) + tk.MustQuery("select k1 from t where k1 < -51").Check(testkit.Rows("-100")) + tk.MustQuery("select k1 from t where k1 < -1").Check(testkit.Rows("-100", "-50")) + tk.MustQuery("select k1 from t where k1 <= 0").Check(testkit.Rows("-100", "-50", "0")) + tk.MustQuery("select k1 from t where k1 < 2").Check(testkit.Rows("-100", "-50", "0", "1")) + tk.MustQuery("select k1 from t where k1 < -1 and k1 > -90").Check(testkit.Rows("-50")) +} + func (s *testSuite) TestIssue5666(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("set @@profiling=1") diff --git a/executor/table_reader.go b/executor/table_reader.go index d6e4147363580..60e07362e724b 100644 --- a/executor/table_reader.go +++ b/executor/table_reader.go @@ -155,7 +155,7 @@ func (e *TableReaderExecutor) Open(ctx context.Context) error { e.feedback.Invalidate() } } - firstPartRanges, secondPartRanges := splitRanges(e.ranges, e.keepOrder, e.desc) + firstPartRanges, secondPartRanges := splitRanges(e.ranges, e.keepOrder, e.desc, e.table.Meta() != nil && e.table.Meta().IsCommonHandle) firstResult, err := e.buildResp(ctx, firstPartRanges) if err != nil { e.feedback.Invalidate() From 499e0cdc709970bdd05bc6e372c42356f3284d7f Mon Sep 17 00:00:00 2001 From: ekexium Date: Wed, 30 Dec 2020 14:31:14 +0800 Subject: [PATCH 0587/1021] store: disable async commit in local txn (#21995) Signed-off-by: ekexium --- store/tikv/1pc_test.go | 24 ++++++++++++++++++++++++ store/tikv/2pc.go | 12 ++++++++++++ store/tikv/async_commit_test.go | 25 +++++++++++++++++++++++++ 3 files changed, 61 insertions(+) diff --git a/store/tikv/1pc_test.go b/store/tikv/1pc_test.go index 2aa34d07f34d1..159049b0f2fd8 100644 --- a/store/tikv/1pc_test.go +++ b/store/tikv/1pc_test.go @@ -245,3 +245,27 @@ func (s *testOnePCSuite) Test1PCExternalConsistency(c *C) { commitTS2 := t2.(*tikvTxn).committer.commitTS c.Assert(commitTS2, Less, commitTS1) } + +func (s *testOnePCSuite) Test1PCWithMultiDC(c *C) { + // It requires setting placement rules to run with TiKV + if *WithTiKV { + return + } + + localTxn := s.begin1PC(c) + err := localTxn.Set([]byte("a"), []byte("a1")) + localTxn.SetOption(kv.TxnScope, "bj") + c.Assert(err, IsNil) + ctx := context.WithValue(context.Background(), sessionctx.ConnID, uint64(1)) + err = localTxn.Commit(ctx) + c.Assert(err, IsNil) + c.Assert(localTxn.committer.isOnePC(), IsFalse) + + globalTxn := s.begin1PC(c) + err = globalTxn.Set([]byte("b"), []byte("b1")) + globalTxn.SetOption(kv.TxnScope, oracle.GlobalTxnScope) + c.Assert(err, IsNil) + err = globalTxn.Commit(ctx) + c.Assert(err, IsNil) + c.Assert(globalTxn.committer.isOnePC(), IsTrue) +} diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index 4d138ce6d01c0..0ab4fa1aaf953 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -931,6 +931,12 @@ func sendTxnHeartBeat(bo *Backoffer, store *tikvStore, primary []byte, startTS, // checkAsyncCommit checks if async commit protocol is available for current transaction commit, true is returned if possible. func (c *twoPhaseCommitter) checkAsyncCommit() bool { + // Disable async commit in local transactions + txnScopeOption := c.txn.us.GetOption(kv.TxnScope) + if txnScopeOption == nil || txnScopeOption.(string) != oracle.GlobalTxnScope { + return false + } + enableAsyncCommitOption := c.txn.us.GetOption(kv.EnableAsyncCommit) enableAsyncCommit := enableAsyncCommitOption != nil && enableAsyncCommitOption.(bool) asyncCommitCfg := config.GetGlobalConfig().TiKVClient.AsyncCommit @@ -953,6 +959,12 @@ func (c *twoPhaseCommitter) checkAsyncCommit() bool { // checkOnePC checks if 1PC protocol is available for current transaction. func (c *twoPhaseCommitter) checkOnePC() bool { + // Disable 1PC in local transactions + txnScopeOption := c.txn.us.GetOption(kv.TxnScope) + if txnScopeOption == nil || txnScopeOption.(string) != oracle.GlobalTxnScope { + return false + } + enable1PCOption := c.txn.us.GetOption(kv.Enable1PC) return c.connID > 0 && !c.shouldWriteBinlog() && enable1PCOption != nil && enable1PCOption.(bool) } diff --git a/store/tikv/async_commit_test.go b/store/tikv/async_commit_test.go index fec30f72ab93c..ff296b33bf5e3 100644 --- a/store/tikv/async_commit_test.go +++ b/store/tikv/async_commit_test.go @@ -386,6 +386,31 @@ func (s *testAsyncCommitSuite) TestAsyncCommitExternalConsistency(c *C) { c.Assert(commitTS2, Less, commitTS1) } +// TestAsyncCommitWithMultiDC tests that async commit can only be enabled in global transactions +func (s *testAsyncCommitSuite) TestAsyncCommitWithMultiDC(c *C) { + // It requires setting placement rules to run with TiKV + if *WithTiKV { + return + } + + localTxn := s.beginAsyncCommit(c) + err := localTxn.Set([]byte("a"), []byte("a1")) + localTxn.SetOption(kv.TxnScope, "bj") + c.Assert(err, IsNil) + ctx := context.WithValue(context.Background(), sessionctx.ConnID, uint64(1)) + err = localTxn.Commit(ctx) + c.Assert(err, IsNil) + c.Assert(localTxn.committer.isAsyncCommit(), IsFalse) + + globalTxn := s.beginAsyncCommit(c) + err = globalTxn.Set([]byte("b"), []byte("b1")) + globalTxn.SetOption(kv.TxnScope, oracle.GlobalTxnScope) + c.Assert(err, IsNil) + err = globalTxn.Commit(ctx) + c.Assert(err, IsNil) + c.Assert(globalTxn.committer.isAsyncCommit(), IsTrue) +} + type mockResolveClient struct { inner Client onResolveLock func(*kvrpcpb.ResolveLockRequest) (*tikvrpc.Response, error) From d9d693fb43ef1737fa40c2957d2cc42d25be073c Mon Sep 17 00:00:00 2001 From: jiyfhust Date: Wed, 30 Dec 2020 14:49:14 +0800 Subject: [PATCH 0588/1021] select into outfile `untime error: index out of range` (#22038) --- executor/select_into.go | 4 +++- executor/select_into_test.go | 10 ++++++++++ 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/executor/select_into.go b/executor/select_into.go index 9541ce98eefea..7709a66970023 100644 --- a/executor/select_into.go +++ b/executor/select_into.go @@ -170,7 +170,9 @@ func (s *SelectIntoExec) dumpToOutfile() error { } else { s.fieldBuf = strconv.AppendInt(s.fieldBuf, row.GetInt64(j), 10) } - case mysql.TypeFloat, mysql.TypeDouble: + case mysql.TypeFloat: + s.realBuf, s.fieldBuf = DumpRealOutfile(s.realBuf, s.fieldBuf, float64(row.GetFloat32(j)), col.RetType) + case mysql.TypeDouble: s.realBuf, s.fieldBuf = DumpRealOutfile(s.realBuf, s.fieldBuf, row.GetFloat64(j), col.RetType) case mysql.TypeNewDecimal: s.fieldBuf = append(s.fieldBuf, row.GetMyDecimal(j).String()...) diff --git a/executor/select_into_test.go b/executor/select_into_test.go index 41ba595c89a69..9d93b8adafddf 100644 --- a/executor/select_into_test.go +++ b/executor/select_into_test.go @@ -85,6 +85,16 @@ func (s *testSuite1) TestSelectIntoOutfileTypes(c *C) { tk.MustExec(fmt.Sprintf("SELECT * FROM t INTO OUTFILE %q", outfile)) cmpAndRm(`0 1 +`, outfile, c) + + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (id float(16,2)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin") + tk.MustExec("insert into t values (3.4), (1), (10.1), (2.00)") + tk.MustExec(fmt.Sprintf("SELECT * FROM t ORDER BY id INTO OUTFILE %q", outfile)) + cmpAndRm(`1.00 +2.00 +3.40 +10.10 `, outfile, c) } From f2a68ee28ae45cd7dcf1d95f9ebda6642bc4625d Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Wed, 30 Dec 2020 16:44:13 +0800 Subject: [PATCH 0589/1021] executor: fix `update ignore` into not exists partition (#21984) --- executor/executor.go | 1 + executor/write.go | 10 ++++++++++ executor/write_test.go | 13 +++++++++++++ 3 files changed, 24 insertions(+) diff --git a/executor/executor.go b/executor/executor.go index def3d8ec33205..28b3bcb146fc5 100644 --- a/executor/executor.go +++ b/executor/executor.go @@ -1766,6 +1766,7 @@ func ResetUpdateStmtCtx(sc *stmtctx.StatementContext, stmt *ast.UpdateStmt, vars sc.AllowInvalidDate = vars.SQLMode.HasAllowInvalidDatesMode() sc.IgnoreZeroInDate = !vars.SQLMode.HasNoZeroInDateMode() || !vars.SQLMode.HasNoZeroDateMode() || !vars.StrictSQLMode || stmt.IgnoreErr || sc.AllowInvalidDate sc.Priority = stmt.Priority + sc.IgnoreNoPartition = stmt.IgnoreErr } // FillVirtualColumnValue will calculate the virtual column value by evaluating generated diff --git a/executor/write.go b/executor/write.go index 3918cf1ad27a4..08ea3d454613f 100644 --- a/executor/write.go +++ b/executor/write.go @@ -18,9 +18,12 @@ import ( "strings" "github.com/opentracing/opentracing-go" + "github.com/pingcap/errors" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/charset" "github.com/pingcap/parser/mysql" + "github.com/pingcap/parser/terror" + "github.com/pingcap/tidb/errno" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/meta/autoid" @@ -192,6 +195,9 @@ func updateRecord(ctx context.Context, sctx sessionctx.Context, h kv.Handle, old // If the new handle exists, this will avoid to remove the record. err = tables.CheckHandleExists(ctx, sctx, t, newHandle, newData) if err != nil { + if terr, ok := errors.Cause(err).(*terror.Error); sctx.GetSessionVars().StmtCtx.IgnoreNoPartition && ok && terr.Code() == errno.ErrNoPartitionForGivenValue { + return false, nil + } return false, err } } @@ -214,8 +220,12 @@ func updateRecord(ctx context.Context, sctx sessionctx.Context, h kv.Handle, old } else { // Update record to new value and update index. if err = t.UpdateRecord(ctx, sctx, h, oldData, newData, modified); err != nil { + if terr, ok := errors.Cause(err).(*terror.Error); sctx.GetSessionVars().StmtCtx.IgnoreNoPartition && ok && terr.Code() == errno.ErrNoPartitionForGivenValue { + return false, nil + } return false, err } + if onDup { sc.AddAffectedRows(2) } else { diff --git a/executor/write_test.go b/executor/write_test.go index 17af4b3e09868..13d0128c03c1c 100644 --- a/executor/write_test.go +++ b/executor/write_test.go @@ -1444,6 +1444,19 @@ func (s *testSuite8) TestUpdate(c *C) { r.Check(testkit.Rows("Warning 1062 Duplicate entry '1' for key 'I_uniq'")) tk.MustQuery("select * from t").Check(testkit.Rows("1", "2")) + // test issue21965 + tk.MustExec("drop table if exists t;") + tk.MustExec("set @@session.tidb_enable_table_partition = nightly") + tk.MustExec("create table t (a int) partition by list (a) (partition p0 values in (0,1));") + tk.MustExec("insert ignore into t values (1);") + tk.MustExec("update ignore t set a=2 where a=1;") + tk.CheckLastMessage("Rows matched: 1 Changed: 0 Warnings: 0") + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t (a int key) partition by list (a) (partition p0 values in (0,1));") + tk.MustExec("insert ignore into t values (1);") + tk.MustExec("update ignore t set a=2 where a=1;") + tk.CheckLastMessage("Rows matched: 1 Changed: 0 Warnings: 0") + tk.MustExec("drop table if exists t") tk.MustExec("create table t(id integer auto_increment, t1 datetime, t2 datetime, primary key (id))") tk.MustExec("insert into t(t1, t2) values('2000-10-01 01:01:01', '2017-01-01 10:10:10')") From 8144e1395d43e30828cbde98e55d33638b0c6713 Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Wed, 30 Dec 2020 17:02:44 +0800 Subject: [PATCH 0590/1021] *:Adapt ScanDetailV2 in KvGet and KvBatchGet Response (#21562) --- distsql/select_result.go | 12 +- distsql/select_result_test.go | 2 +- executor/adapter.go | 4 +- executor/explainfor_test.go | 2 +- sessionctx/stmtctx/stmtctx.go | 42 +++-- sessionctx/stmtctx/stmtctx_test.go | 6 +- sessionctx/variable/session_test.go | 8 +- store/tikv/coprocessor.go | 29 ++- store/tikv/snapshot.go | 34 ++++ store/tikv/snapshot_test.go | 33 ++++ util/execdetails/execdetails.go | 194 ++++++++++++++------- util/execdetails/execdetails_test.go | 38 ++-- util/stmtsummary/statement_summary.go | 56 +++--- util/stmtsummary/statement_summary_test.go | 82 +++++---- 14 files changed, 346 insertions(+), 196 deletions(-) diff --git a/distsql/select_result.go b/distsql/select_result.go index 5e1278a188493..9e59d725c7532 100644 --- a/distsql/select_result.go +++ b/distsql/select_result.go @@ -282,8 +282,8 @@ func (r *selectResult) updateCopRuntimeStats(ctx context.Context, copStats *tikv } r.stats.mergeCopRuntimeStats(copStats, respTime) - if copStats.CopDetail != nil && len(r.copPlanIDs) > 0 { - r.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.RecordCopDetail(r.copPlanIDs[len(r.copPlanIDs)-1], copStats.CopDetail) + if copStats.ScanDetail != nil && len(r.copPlanIDs) > 0 { + r.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.RecordScanDetail(r.copPlanIDs[len(r.copPlanIDs)-1], copStats.ScanDetail) } for i, detail := range r.selectResp.GetExecutionSummaries() { @@ -348,8 +348,8 @@ type selectResultRuntimeStats struct { func (s *selectResultRuntimeStats) mergeCopRuntimeStats(copStats *tikv.CopRuntimeStats, respTime time.Duration) { s.copRespTime = append(s.copRespTime, respTime) - if copStats.CopDetail != nil { - s.procKeys = append(s.procKeys, copStats.CopDetail.ProcessedKeys) + if copStats.ScanDetail != nil { + s.procKeys = append(s.procKeys, copStats.ScanDetail.ProcessedKeys) } else { s.procKeys = append(s.procKeys, 0) } @@ -357,8 +357,8 @@ func (s *selectResultRuntimeStats) mergeCopRuntimeStats(copStats *tikv.CopRuntim for k, v := range copStats.BackoffSleep { s.backoffSleep[k] += v } - s.totalProcessTime += copStats.ProcessTime - s.totalWaitTime += copStats.WaitTime + s.totalProcessTime += copStats.TimeDetail.ProcessTime + s.totalWaitTime += copStats.TimeDetail.WaitTime s.rpcStat.Merge(copStats.RegionRequestRuntimeStats) if copStats.CoprCacheHit { s.CoprCacheHitNum++ diff --git a/distsql/select_result_test.go b/distsql/select_result_test.go index 1e6d86fba9248..fac153332121c 100644 --- a/distsql/select_result_test.go +++ b/distsql/select_result_test.go @@ -47,5 +47,5 @@ func (s *testSuite) TestUpdateCopRuntimeStats(c *C) { c.Assert(ctx.GetSessionVars().StmtCtx.RuntimeStatsColl, NotNil) c.Assert(len(sr.selectResp.GetExecutionSummaries()), Equals, len(sr.copPlanIDs)) sr.updateCopRuntimeStats(context.Background(), &tikv.CopRuntimeStats{ExecDetails: execdetails.ExecDetails{CalleeAddress: "callee"}}, 0) - c.Assert(ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.GetCopStats(1234).String(), Equals, "tikv_task:{time:1ns, loops:1}") + c.Assert(ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.GetCopStats(1234).String(), Equals, "tikv_task:{time:1ns, loops:1}, scan_detail: {total_process_keys: 0, total_keys: 0, rocksdb: {delete_skipped_count: 0, key_skipped_count: 0, block: {cache_hit_count: 0, read_count: 0, read_byte: 0 Bytes}}}") } diff --git a/executor/adapter.go b/executor/adapter.go index 0a7c6952c792c..1427603a91b64 100644 --- a/executor/adapter.go +++ b/executor/adapter.go @@ -945,8 +945,8 @@ func (a *ExecStmt) LogSlowQuery(txnTS uint64, succ bool, hasMoreResults bool) { } else { logutil.SlowQueryLogger.Warn(sessVars.SlowLogFormat(slowItems)) metrics.TotalQueryProcHistogram.Observe(costTime.Seconds()) - metrics.TotalCopProcHistogram.Observe(execDetail.ProcessTime.Seconds()) - metrics.TotalCopWaitHistogram.Observe(execDetail.WaitTime.Seconds()) + metrics.TotalCopProcHistogram.Observe(execDetail.TimeDetail.ProcessTime.Seconds()) + metrics.TotalCopWaitHistogram.Observe(execDetail.TimeDetail.WaitTime.Seconds()) var userString string if sessVars.User != nil { userString = sessVars.User.String() diff --git a/executor/explainfor_test.go b/executor/explainfor_test.go index 52a4513709fef..4a0eddb9a8b98 100644 --- a/executor/explainfor_test.go +++ b/executor/explainfor_test.go @@ -112,7 +112,7 @@ func (s *testSerialSuite) TestExplainFor(c *C) { } c.Assert(buf.String(), Matches, ""+ "TableReader_5 10000.00 0 root time:.*, loops:1, cop_task: {num:.*, max:.*, proc_keys: 0, rpc_num: 1, rpc_time:.*} data:TableFullScan_4 N/A N/A\n"+ - "└─TableFullScan_4 10000.00 0 cop.* table:t1 tikv_task:{time:.*, loops:0} keep order:false, stats:pseudo N/A N/A") + "└─TableFullScan_4 10000.00 0 cop.* table:t1 tikv_task:{time:.*, loops:0}, scan_detail:.* keep order:false, stats:pseudo N/A N/A") } tkRoot.MustQuery("select * from t1;") check() diff --git a/sessionctx/stmtctx/stmtctx.go b/sessionctx/stmtctx/stmtctx.go index 506f8d00fefd8..94e0ce6f9ea1e 100644 --- a/sessionctx/stmtctx/stmtctx.go +++ b/sessionctx/stmtctx/stmtctx.go @@ -519,11 +519,10 @@ func (sc *StatementContext) MergeExecDetails(details *execdetails.ExecDetails, c defer sc.mu.Unlock() if details != nil { sc.mu.execDetails.CopTime += details.CopTime - sc.mu.execDetails.ProcessTime += details.ProcessTime - sc.mu.execDetails.WaitTime += details.WaitTime sc.mu.execDetails.BackoffTime += details.BackoffTime sc.mu.execDetails.RequestCount++ - sc.MergeCopDetails(details.CopDetail) + sc.MergeScanDetail(details.ScanDetail) + sc.MergeTimeDetail(details.TimeDetail) sc.mu.allExecDetails = append(sc.mu.allExecDetails, details) } if commitDetails != nil { @@ -535,17 +534,22 @@ func (sc *StatementContext) MergeExecDetails(details *execdetails.ExecDetails, c } } -// MergeCopDetails merges cop details into self. -func (sc *StatementContext) MergeCopDetails(copDetails *execdetails.CopDetails) { - // Currently TiFlash cop task does not fill copDetails, so need to skip it if copDetails is nil - if copDetails == nil { +// MergeScanDetail merges scan details into self. +func (sc *StatementContext) MergeScanDetail(scanDetail *execdetails.ScanDetail) { + // Currently TiFlash cop task does not fill scanDetail, so need to skip it if scanDetail is nil + if scanDetail == nil { return } - if sc.mu.execDetails.CopDetail == nil { - sc.mu.execDetails.CopDetail = copDetails - } else { - sc.mu.execDetails.CopDetail.Merge(copDetails) + if sc.mu.execDetails.ScanDetail == nil { + sc.mu.execDetails.ScanDetail = &execdetails.ScanDetail{} } + sc.mu.execDetails.ScanDetail.Merge(scanDetail) +} + +// MergeTimeDetail merges time details into self. +func (sc *StatementContext) MergeTimeDetail(timeDetail execdetails.TimeDetail) { + sc.mu.execDetails.TimeDetail.ProcessTime += timeDetail.ProcessTime + sc.mu.execDetails.TimeDetail.WaitTime += timeDetail.WaitTime } // MergeLockKeysExecDetails merges lock keys execution details into self. @@ -632,21 +636,21 @@ func (sc *StatementContext) CopTasksDetails() *CopTasksDetails { if n == 0 { return d } - d.AvgProcessTime = sc.mu.execDetails.ProcessTime / time.Duration(n) - d.AvgWaitTime = sc.mu.execDetails.WaitTime / time.Duration(n) + d.AvgProcessTime = sc.mu.execDetails.TimeDetail.ProcessTime / time.Duration(n) + d.AvgWaitTime = sc.mu.execDetails.TimeDetail.WaitTime / time.Duration(n) sort.Slice(sc.mu.allExecDetails, func(i, j int) bool { - return sc.mu.allExecDetails[i].ProcessTime < sc.mu.allExecDetails[j].ProcessTime + return sc.mu.allExecDetails[i].TimeDetail.ProcessTime < sc.mu.allExecDetails[j].TimeDetail.ProcessTime }) - d.P90ProcessTime = sc.mu.allExecDetails[n*9/10].ProcessTime - d.MaxProcessTime = sc.mu.allExecDetails[n-1].ProcessTime + d.P90ProcessTime = sc.mu.allExecDetails[n*9/10].TimeDetail.ProcessTime + d.MaxProcessTime = sc.mu.allExecDetails[n-1].TimeDetail.ProcessTime d.MaxProcessAddress = sc.mu.allExecDetails[n-1].CalleeAddress sort.Slice(sc.mu.allExecDetails, func(i, j int) bool { - return sc.mu.allExecDetails[i].WaitTime < sc.mu.allExecDetails[j].WaitTime + return sc.mu.allExecDetails[i].TimeDetail.WaitTime < sc.mu.allExecDetails[j].TimeDetail.WaitTime }) - d.P90WaitTime = sc.mu.allExecDetails[n*9/10].WaitTime - d.MaxWaitTime = sc.mu.allExecDetails[n-1].WaitTime + d.P90WaitTime = sc.mu.allExecDetails[n*9/10].TimeDetail.WaitTime + d.MaxWaitTime = sc.mu.allExecDetails[n-1].TimeDetail.WaitTime d.MaxWaitAddress = sc.mu.allExecDetails[n-1].CalleeAddress // calculate backoff details diff --git a/sessionctx/stmtctx/stmtctx_test.go b/sessionctx/stmtctx/stmtctx_test.go index c786d5e10fcbf..cd0a51800a471 100644 --- a/sessionctx/stmtctx/stmtctx_test.go +++ b/sessionctx/stmtctx/stmtctx_test.go @@ -37,10 +37,12 @@ func (s *stmtctxSuit) TestCopTasksDetails(c *C) { for i := 0; i < 100; i++ { d := &execdetails.ExecDetails{ CalleeAddress: fmt.Sprintf("%v", i+1), - ProcessTime: time.Second * time.Duration(i+1), - WaitTime: time.Millisecond * time.Duration(i+1), BackoffSleep: make(map[string]time.Duration), BackoffTimes: make(map[string]int), + TimeDetail: execdetails.TimeDetail{ + ProcessTime: time.Second * time.Duration(i+1), + WaitTime: time.Millisecond * time.Duration(i+1), + }, } for _, backoff := range backoffs { d.BackoffSleep[backoff] = time.Millisecond * 100 * time.Duration(i+1) diff --git a/sessionctx/variable/session_test.go b/sessionctx/variable/session_test.go index 132c1326c3aa7..417e434ce781b 100644 --- a/sessionctx/variable/session_test.go +++ b/sessionctx/variable/session_test.go @@ -136,14 +136,16 @@ func (*testSessionSuite) TestSlowLogFormat(c *C) { txnTS := uint64(406649736972468225) costTime := time.Second execDetail := execdetails.ExecDetails{ - ProcessTime: time.Second * time.Duration(2), - WaitTime: time.Minute, BackoffTime: time.Millisecond, RequestCount: 2, - CopDetail: &execdetails.CopDetails{ + ScanDetail: &execdetails.ScanDetail{ ProcessedKeys: 20001, TotalKeys: 10000, }, + TimeDetail: execdetails.TimeDetail{ + ProcessTime: time.Second * time.Duration(2), + WaitTime: time.Minute, + }, } statsInfos := make(map[string]uint64) statsInfos["t1"] = 0 diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go index 4d25194cf4764..d2803997b3e9f 100644 --- a/store/tikv/coprocessor.go +++ b/store/tikv/coprocessor.go @@ -1163,38 +1163,29 @@ func (worker *copIteratorWorker) handleCopResponse(bo *Backoffer, rpcCtx *RPCCon resp.detail.CalleeAddress = rpcCtx.Addr } resp.respTime = costTime + sd := &execdetails.ScanDetail{} + td := execdetails.TimeDetail{} if pbDetails := resp.pbResp.ExecDetailsV2; pbDetails != nil { // Take values in `ExecDetailsV2` first. if timeDetail := pbDetails.TimeDetail; timeDetail != nil { - resp.detail.WaitTime = time.Duration(timeDetail.WaitWallTimeMs) * time.Millisecond - resp.detail.ProcessTime = time.Duration(timeDetail.ProcessWallTimeMs) * time.Millisecond + td.MergeFromTimeDetail(timeDetail) } if scanDetailV2 := pbDetails.ScanDetailV2; scanDetailV2 != nil { - copDetail := &execdetails.CopDetails{ - ProcessedKeys: int64(scanDetailV2.ProcessedVersions), - TotalKeys: int64(scanDetailV2.TotalVersions), - RocksdbDeleteSkippedCount: scanDetailV2.RocksdbDeleteSkippedCount, - RocksdbKeySkippedCount: scanDetailV2.RocksdbKeySkippedCount, - RocksdbBlockCacheHitCount: scanDetailV2.RocksdbBlockCacheHitCount, - RocksdbBlockReadCount: scanDetailV2.RocksdbBlockReadCount, - RocksdbBlockReadByte: scanDetailV2.RocksdbBlockReadByte, - } - resp.detail.CopDetail = copDetail + sd.MergeFromScanDetailV2(scanDetailV2) } } else if pbDetails := resp.pbResp.ExecDetails; pbDetails != nil { if timeDetail := pbDetails.TimeDetail; timeDetail != nil { - resp.detail.WaitTime = time.Duration(timeDetail.WaitWallTimeMs) * time.Millisecond - resp.detail.ProcessTime = time.Duration(timeDetail.ProcessWallTimeMs) * time.Millisecond + td.MergeFromTimeDetail(timeDetail) } if scanDetail := pbDetails.ScanDetail; scanDetail != nil { if scanDetail.Write != nil { - resp.detail.CopDetail = &execdetails.CopDetails{ - ProcessedKeys: scanDetail.Write.Processed, - TotalKeys: scanDetail.Write.Total, - } + sd.ProcessedKeys = scanDetail.Write.Processed + sd.TotalKeys = scanDetail.Write.Total } } } + resp.detail.ScanDetail = sd + resp.detail.TimeDetail = td if resp.pbResp.IsCacheHit { if cacheValue == nil { return nil, errors.New("Internal error: received illegal TiKV response") @@ -1207,7 +1198,7 @@ func (worker *copIteratorWorker) handleCopResponse(bo *Backoffer, rpcCtx *RPCCon } else { // Cache not hit or cache hit but not valid: update the cache if the response can be cached. if cacheKey != nil && resp.pbResp.CanBeCached && resp.pbResp.CacheLastVersion > 0 { - if worker.store.coprCache.CheckResponseAdmission(resp.pbResp.Data.Size(), resp.detail.ProcessTime) { + if worker.store.coprCache.CheckResponseAdmission(resp.pbResp.Data.Size(), resp.detail.TimeDetail.ProcessTime) { data := make([]byte, len(resp.pbResp.Data)) copy(data, resp.pbResp.Data) diff --git a/store/tikv/snapshot.go b/store/tikv/snapshot.go index d727835971f58..d6b7867b50211 100644 --- a/store/tikv/snapshot.go +++ b/store/tikv/snapshot.go @@ -339,6 +339,9 @@ func (s *tikvSnapshot) batchGetSingleRegion(bo *Backoffer, batch batchKeys, coll locks = append(locks, lock) } } + if batchGetResp.ExecDetailsV2 != nil { + s.mergeExecDetail(batchGetResp.ExecDetailsV2) + } if len(lockedKeys) > 0 { msBeforeExpired, err := cli.ResolveLocks(bo, s.version.Ver, locks) if err != nil { @@ -456,6 +459,9 @@ func (s *tikvSnapshot) get(ctx context.Context, bo *Backoffer, k kv.Key) ([]byte return nil, errors.Trace(ErrBodyMissing) } cmdGetResp := resp.Resp.(*pb.GetResponse) + if cmdGetResp.ExecDetailsV2 != nil { + s.mergeExecDetail(cmdGetResp.ExecDetailsV2) + } val := cmdGetResp.GetValue() if keyErr := cmdGetResp.GetError(); keyErr != nil { lock, err := extractLockFromKeyErr(keyErr) @@ -478,6 +484,22 @@ func (s *tikvSnapshot) get(ctx context.Context, bo *Backoffer, k kv.Key) ([]byte } } +func (s *tikvSnapshot) mergeExecDetail(detail *pb.ExecDetailsV2) { + s.mu.Lock() + defer s.mu.Unlock() + if detail == nil || s.mu.stats == nil { + return + } + if s.mu.stats.scanDetail == nil { + s.mu.stats.scanDetail = &execdetails.ScanDetail{} + } + if s.mu.stats.timeDetail == nil { + s.mu.stats.timeDetail = &execdetails.TimeDetail{} + } + s.mu.stats.scanDetail.MergeFromScanDetailV2(detail.ScanDetailV2) + s.mu.stats.timeDetail.MergeFromTimeDetail(detail.TimeDetail) +} + // Iter return a list of key-value pair after `k`. func (s *tikvSnapshot) Iter(k kv.Key, upperBound kv.Key) (kv.Iterator, error) { scanner, err := newScanner(s, k, upperBound, scanBatchSize, false) @@ -720,6 +742,8 @@ type SnapshotRuntimeStats struct { rpcStats RegionRequestRuntimeStats backoffSleepMS map[backoffType]int backoffTimes map[backoffType]int + scanDetail *execdetails.ScanDetail + timeDetail *execdetails.TimeDetail } // Tp implements the RuntimeStats interface. @@ -788,5 +812,15 @@ func (rs *SnapshotRuntimeStats) String() string { d := time.Duration(ms) * time.Millisecond buf.WriteString(fmt.Sprintf("%s_backoff:{num:%d, total_time:%s}", k.String(), v, execdetails.FormatDuration(d))) } + timeDetail := rs.timeDetail.String() + if timeDetail != "" { + buf.WriteString(", ") + buf.WriteString(timeDetail) + } + scanDetail := rs.scanDetail.String() + if scanDetail != "" { + buf.WriteString(", ") + buf.WriteString(scanDetail) + } return buf.String() } diff --git a/store/tikv/snapshot_test.go b/store/tikv/snapshot_test.go index 5dafa6deb3655..402fd34888a57 100644 --- a/store/tikv/snapshot_test.go +++ b/store/tikv/snapshot_test.go @@ -317,4 +317,37 @@ func (s *testSnapshotSuite) TestSnapshotRuntimeStats(c *C) { snapshot.recordBackoffInfo(bo) expect := "Get:{num_rpc:4, total_time:2s},txnLockFast_backoff:{num:2, total_time:60ms}" c.Assert(snapshot.mu.stats.String(), Equals, expect) + detail := &pb.ExecDetailsV2{ + TimeDetail: &pb.TimeDetail{ + WaitWallTimeMs: 100, + ProcessWallTimeMs: 100, + }, + ScanDetailV2: &pb.ScanDetailV2{ + ProcessedVersions: 10, + TotalVersions: 15, + RocksdbBlockReadCount: 20, + RocksdbBlockReadByte: 15, + RocksdbDeleteSkippedCount: 5, + RocksdbKeySkippedCount: 1, + RocksdbBlockCacheHitCount: 10, + }, + } + snapshot.mergeExecDetail(detail) + expect = "Get:{num_rpc:4, total_time:2s},txnLockFast_backoff:{num:2, total_time:60ms}, " + + "total_process_time: 100ms, total_wait_time: 100ms, " + + "scan_detail: {total_process_keys: 10, " + + "total_keys: 15, " + + "rocksdb: {delete_skipped_count: 5, " + + "key_skipped_count: 1, " + + "block: {cache_hit_count: 10, read_count: 20, read_byte: 15 Bytes}}}" + c.Assert(snapshot.mu.stats.String(), Equals, expect) + snapshot.mergeExecDetail(detail) + expect = "Get:{num_rpc:4, total_time:2s},txnLockFast_backoff:{num:2, total_time:60ms}, " + + "total_process_time: 200ms, total_wait_time: 200ms, " + + "scan_detail: {total_process_keys: 20, " + + "total_keys: 30, " + + "rocksdb: {delete_skipped_count: 10, " + + "key_skipped_count: 2, " + + "block: {cache_hit_count: 20, read_count: 40, read_byte: 30 Bytes}}}" + c.Assert(snapshot.mu.stats.String(), Equals, expect) } diff --git a/util/execdetails/execdetails.go b/util/execdetails/execdetails.go index 633654486a36b..969de4dcbc43f 100644 --- a/util/execdetails/execdetails.go +++ b/util/execdetails/execdetails.go @@ -24,6 +24,7 @@ import ( "sync/atomic" "time" + "github.com/pingcap/kvproto/pkg/kvrpcpb" "github.com/pingcap/tidb/util/memory" "github.com/pingcap/tipb/go-tipb" "go.uber.org/zap" @@ -44,8 +45,6 @@ var ( type ExecDetails struct { CalleeAddress string CopTime time.Duration - ProcessTime time.Duration - WaitTime time.Duration BackoffTime time.Duration LockKeysDuration time.Duration BackoffSleep map[string]time.Duration @@ -53,7 +52,8 @@ type ExecDetails struct { RequestCount int CommitDetail *CommitDetails LockKeysDetail *LockKeysDetails - CopDetail *CopDetails + ScanDetail *ScanDetail + TimeDetail TimeDetail } type stmtExecDetailKeyType struct{} @@ -169,8 +169,49 @@ func (ld *LockKeysDetails) Clone() *LockKeysDetails { return lock } -// CopDetails contains coprocessor detail information. -type CopDetails struct { +// TimeDetail contains coprocessor time detail information. +type TimeDetail struct { + // WaitWallTimeMs is the off-cpu wall time which is elapsed in TiKV side. Usually this includes queue waiting time and + // other kind of waitings in series. + ProcessTime time.Duration + // Off-cpu and on-cpu wall time elapsed to actually process the request payload. It does not + // include `wait_wall_time`. + // This field is very close to the CPU time in most cases. Some wait time spend in RocksDB + // cannot be excluded for now, like Mutex wait time, which is included in this field, so that + // this field is called wall time instead of CPU time. + WaitTime time.Duration +} + +// String implements the fmt.Stringer interface. +func (td *TimeDetail) String() string { + if td == nil { + return "" + } + buf := bytes.NewBuffer(make([]byte, 0, 16)) + if td.ProcessTime > 0 { + buf.WriteString("total_process_time: ") + buf.WriteString(FormatDuration(td.ProcessTime)) + } + if td.WaitTime > 0 { + if buf.Len() > 0 { + buf.WriteString(", ") + } + buf.WriteString("total_wait_time: ") + buf.WriteString(FormatDuration(td.WaitTime)) + } + return buf.String() +} + +// MergeFromTimeDetail merges time detail from pb into itself. +func (td *TimeDetail) MergeFromTimeDetail(timeDetail *kvrpcpb.TimeDetail) { + if timeDetail != nil { + td.WaitTime += time.Duration(timeDetail.WaitWallTimeMs) * time.Millisecond + td.ProcessTime += time.Duration(timeDetail.ProcessWallTimeMs) * time.Millisecond + } +} + +// ScanDetail contains coprocessor scan detail information. +type ScanDetail struct { // TotalKeys is the approximate number of MVCC keys meet during scanning. It includes // deleted versions, but does not include RocksDB tombstone keys. TotalKeys int64 @@ -191,15 +232,55 @@ type CopDetails struct { RocksdbBlockReadByte uint64 } -// Merge merges lock keys execution details into self. -func (cd *CopDetails) Merge(copDetails *CopDetails) { - cd.TotalKeys += copDetails.TotalKeys - cd.ProcessedKeys += copDetails.ProcessedKeys - cd.RocksdbDeleteSkippedCount += copDetails.RocksdbDeleteSkippedCount - cd.RocksdbKeySkippedCount += copDetails.RocksdbKeySkippedCount - cd.RocksdbBlockCacheHitCount += copDetails.RocksdbBlockCacheHitCount - cd.RocksdbBlockReadCount += copDetails.RocksdbBlockReadCount - cd.RocksdbBlockReadByte += copDetails.RocksdbBlockReadByte +// Merge merges scan detail execution details into self. +func (sd *ScanDetail) Merge(scanDetail *ScanDetail) { + atomic.AddInt64(&sd.TotalKeys, scanDetail.TotalKeys) + atomic.AddInt64(&sd.ProcessedKeys, scanDetail.ProcessedKeys) + atomic.AddUint64(&sd.RocksdbDeleteSkippedCount, scanDetail.RocksdbDeleteSkippedCount) + atomic.AddUint64(&sd.RocksdbKeySkippedCount, scanDetail.RocksdbKeySkippedCount) + atomic.AddUint64(&sd.RocksdbBlockCacheHitCount, scanDetail.RocksdbBlockCacheHitCount) + atomic.AddUint64(&sd.RocksdbBlockReadCount, scanDetail.RocksdbBlockReadCount) + atomic.AddUint64(&sd.RocksdbBlockReadByte, scanDetail.RocksdbBlockReadByte) +} + +// String implements the fmt.Stringer interface. +func (sd *ScanDetail) String() string { + if sd == nil { + return "" + } + buf := bytes.NewBuffer(make([]byte, 0, 16)) + buf.WriteString("scan_detail: {") + buf.WriteString("total_process_keys: ") + buf.WriteString(strconv.FormatInt(sd.ProcessedKeys, 10)) + buf.WriteString(", total_keys: ") + buf.WriteString(strconv.FormatInt(sd.TotalKeys, 10)) + buf.WriteString(", rocksdb: {") + buf.WriteString("delete_skipped_count: ") + buf.WriteString(strconv.FormatUint(sd.RocksdbDeleteSkippedCount, 10)) + buf.WriteString(", key_skipped_count: ") + buf.WriteString(strconv.FormatUint(sd.RocksdbKeySkippedCount, 10)) + buf.WriteString(", block: {") + buf.WriteString("cache_hit_count: ") + buf.WriteString(strconv.FormatUint(sd.RocksdbBlockCacheHitCount, 10)) + buf.WriteString(", read_count: ") + buf.WriteString(strconv.FormatUint(sd.RocksdbBlockReadCount, 10)) + buf.WriteString(", read_byte: ") + buf.WriteString(memory.FormatBytes(int64(sd.RocksdbBlockReadByte))) + buf.WriteString("}}}") + return buf.String() +} + +// MergeFromScanDetailV2 merges scan detail from pb into itself. +func (sd *ScanDetail) MergeFromScanDetailV2(scanDetail *kvrpcpb.ScanDetailV2) { + if scanDetail != nil { + sd.TotalKeys += int64(scanDetail.TotalVersions) + sd.ProcessedKeys += int64(scanDetail.ProcessedVersions) + sd.RocksdbDeleteSkippedCount += scanDetail.RocksdbDeleteSkippedCount + sd.RocksdbKeySkippedCount += scanDetail.RocksdbKeySkippedCount + sd.RocksdbBlockCacheHitCount += scanDetail.RocksdbBlockCacheHitCount + sd.RocksdbBlockReadCount += scanDetail.RocksdbBlockReadCount + sd.RocksdbBlockReadByte += scanDetail.RocksdbBlockReadByte + } } const ( @@ -261,11 +342,11 @@ func (d ExecDetails) String() string { if d.CopTime > 0 { parts = append(parts, CopTimeStr+": "+strconv.FormatFloat(d.CopTime.Seconds(), 'f', -1, 64)) } - if d.ProcessTime > 0 { - parts = append(parts, ProcessTimeStr+": "+strconv.FormatFloat(d.ProcessTime.Seconds(), 'f', -1, 64)) + if d.TimeDetail.ProcessTime > 0 { + parts = append(parts, ProcessTimeStr+": "+strconv.FormatFloat(d.TimeDetail.ProcessTime.Seconds(), 'f', -1, 64)) } - if d.WaitTime > 0 { - parts = append(parts, WaitTimeStr+": "+strconv.FormatFloat(d.WaitTime.Seconds(), 'f', -1, 64)) + if d.TimeDetail.WaitTime > 0 { + parts = append(parts, WaitTimeStr+": "+strconv.FormatFloat(d.TimeDetail.WaitTime.Seconds(), 'f', -1, 64)) } if d.BackoffTime > 0 { parts = append(parts, BackoffTimeStr+": "+strconv.FormatFloat(d.BackoffTime.Seconds(), 'f', -1, 64)) @@ -320,28 +401,28 @@ func (d ExecDetails) String() string { parts = append(parts, TxnRetryStr+": "+strconv.FormatInt(int64(commitDetails.TxnRetry), 10)) } } - copDetails := d.CopDetail - if copDetails != nil { - if copDetails.ProcessedKeys > 0 { - parts = append(parts, ProcessKeysStr+": "+strconv.FormatInt(copDetails.ProcessedKeys, 10)) + scanDetail := d.ScanDetail + if scanDetail != nil { + if scanDetail.ProcessedKeys > 0 { + parts = append(parts, ProcessKeysStr+": "+strconv.FormatInt(scanDetail.ProcessedKeys, 10)) } - if copDetails.TotalKeys > 0 { - parts = append(parts, TotalKeysStr+": "+strconv.FormatInt(copDetails.TotalKeys, 10)) + if scanDetail.TotalKeys > 0 { + parts = append(parts, TotalKeysStr+": "+strconv.FormatInt(scanDetail.TotalKeys, 10)) } - if copDetails.RocksdbDeleteSkippedCount > 0 { - parts = append(parts, RocksdbDeleteSkippedCountStr+": "+strconv.FormatUint(copDetails.RocksdbDeleteSkippedCount, 10)) + if scanDetail.RocksdbDeleteSkippedCount > 0 { + parts = append(parts, RocksdbDeleteSkippedCountStr+": "+strconv.FormatUint(scanDetail.RocksdbDeleteSkippedCount, 10)) } - if copDetails.RocksdbKeySkippedCount > 0 { - parts = append(parts, RocksdbKeySkippedCountStr+": "+strconv.FormatUint(copDetails.RocksdbKeySkippedCount, 10)) + if scanDetail.RocksdbKeySkippedCount > 0 { + parts = append(parts, RocksdbKeySkippedCountStr+": "+strconv.FormatUint(scanDetail.RocksdbKeySkippedCount, 10)) } - if copDetails.RocksdbBlockCacheHitCount > 0 { - parts = append(parts, RocksdbBlockCacheHitCountStr+": "+strconv.FormatUint(copDetails.RocksdbBlockCacheHitCount, 10)) + if scanDetail.RocksdbBlockCacheHitCount > 0 { + parts = append(parts, RocksdbBlockCacheHitCountStr+": "+strconv.FormatUint(scanDetail.RocksdbBlockCacheHitCount, 10)) } - if copDetails.RocksdbBlockReadCount > 0 { - parts = append(parts, RocksdbBlockReadCountStr+": "+strconv.FormatUint(copDetails.RocksdbBlockReadCount, 10)) + if scanDetail.RocksdbBlockReadCount > 0 { + parts = append(parts, RocksdbBlockReadCountStr+": "+strconv.FormatUint(scanDetail.RocksdbBlockReadCount, 10)) } - if copDetails.RocksdbBlockReadByte > 0 { - parts = append(parts, RocksdbBlockReadByteStr+": "+strconv.FormatUint(copDetails.RocksdbBlockReadByte, 10)) + if scanDetail.RocksdbBlockReadByte > 0 { + parts = append(parts, RocksdbBlockReadByteStr+": "+strconv.FormatUint(scanDetail.RocksdbBlockReadByte, 10)) } } return strings.Join(parts, " ") @@ -353,11 +434,11 @@ func (d ExecDetails) ToZapFields() (fields []zap.Field) { if d.CopTime > 0 { fields = append(fields, zap.String(strings.ToLower(CopTimeStr), strconv.FormatFloat(d.CopTime.Seconds(), 'f', -1, 64)+"s")) } - if d.ProcessTime > 0 { - fields = append(fields, zap.String(strings.ToLower(ProcessTimeStr), strconv.FormatFloat(d.ProcessTime.Seconds(), 'f', -1, 64)+"s")) + if d.TimeDetail.ProcessTime > 0 { + fields = append(fields, zap.String(strings.ToLower(ProcessTimeStr), strconv.FormatFloat(d.TimeDetail.ProcessTime.Seconds(), 'f', -1, 64)+"s")) } - if d.WaitTime > 0 { - fields = append(fields, zap.String(strings.ToLower(WaitTimeStr), strconv.FormatFloat(d.WaitTime.Seconds(), 'f', -1, 64)+"s")) + if d.TimeDetail.WaitTime > 0 { + fields = append(fields, zap.String(strings.ToLower(WaitTimeStr), strconv.FormatFloat(d.TimeDetail.WaitTime.Seconds(), 'f', -1, 64)+"s")) } if d.BackoffTime > 0 { fields = append(fields, zap.String(strings.ToLower(BackoffTimeStr), strconv.FormatFloat(d.BackoffTime.Seconds(), 'f', -1, 64)+"s")) @@ -365,11 +446,11 @@ func (d ExecDetails) ToZapFields() (fields []zap.Field) { if d.RequestCount > 0 { fields = append(fields, zap.String(strings.ToLower(RequestCountStr), strconv.FormatInt(int64(d.RequestCount), 10))) } - if d.CopDetail != nil && d.CopDetail.TotalKeys > 0 { - fields = append(fields, zap.String(strings.ToLower(TotalKeysStr), strconv.FormatInt(d.CopDetail.TotalKeys, 10))) + if d.ScanDetail != nil && d.ScanDetail.TotalKeys > 0 { + fields = append(fields, zap.String(strings.ToLower(TotalKeysStr), strconv.FormatInt(d.ScanDetail.TotalKeys, 10))) } - if d.CopDetail != nil && d.CopDetail.ProcessedKeys > 0 { - fields = append(fields, zap.String(strings.ToLower(ProcessKeysStr), strconv.FormatInt(d.CopDetail.ProcessedKeys, 10))) + if d.ScanDetail != nil && d.ScanDetail.ProcessedKeys > 0 { + fields = append(fields, zap.String(strings.ToLower(ProcessKeysStr), strconv.FormatInt(d.ScanDetail.ProcessedKeys, 10))) } commitDetails := d.CommitDetail if commitDetails != nil { @@ -425,7 +506,7 @@ type CopRuntimeStats struct { // same tikv-server instance. We have to use a list to maintain all tasks // executed on each instance. stats map[string][]*BasicRuntimeStats - copDetails *CopDetails + scanDetail *ScanDetail } // RecordOneCopTask records a specific cop tasks's execution detail. @@ -488,16 +569,9 @@ func (crs *CopRuntimeStats) String() string { FormatDuration(procTimes[n-1]), FormatDuration(procTimes[0]), FormatDuration(procTimes[n*4/5]), FormatDuration(procTimes[n*19/20]), totalIters, totalTasks)) } - if detail := crs.copDetails; detail != nil { - crs.writeField(buf, "total_keys", detail.TotalKeys) - crs.writeField(buf, "processed_keys", detail.ProcessedKeys) - buf.WriteString(", rocksdb: {") - crs.writeField(buf, "delete_skipped_count", int64(detail.RocksdbDeleteSkippedCount)) - crs.writeField(buf, "key_skipped_count", int64(detail.RocksdbKeySkippedCount)) - crs.writeField(buf, "block_cache_hit_count", int64(detail.RocksdbBlockCacheHitCount)) - crs.writeField(buf, "block_read_count", int64(detail.RocksdbBlockReadCount)) - crs.writeFieldValue(buf, "block_read", memory.FormatBytes(int64(detail.RocksdbBlockReadByte))) - buf.WriteByte('}') + if detail := crs.scanDetail; detail != nil { + buf.WriteString(", ") + buf.WriteString(detail.String()) } return buf.String() } @@ -715,7 +789,10 @@ func (e *RuntimeStatsColl) GetCopStats(planID int) *CopRuntimeStats { defer e.mu.Unlock() copStats, ok := e.copStats[planID] if !ok { - copStats = &CopRuntimeStats{stats: make(map[string][]*BasicRuntimeStats)} + copStats = &CopRuntimeStats{ + stats: make(map[string][]*BasicRuntimeStats), + scanDetail: &ScanDetail{}, + } e.copStats[planID] = copStats } return copStats @@ -742,13 +819,10 @@ func (e *RuntimeStatsColl) RecordOneCopTask(planID int, address string, summary copStats.RecordOneCopTask(address, summary) } -// RecordCopDetail records a specific cop tasks's cop detail. -func (e *RuntimeStatsColl) RecordCopDetail(planID int, detail *CopDetails) { +// RecordScanDetail records a specific cop tasks's cop detail. +func (e *RuntimeStatsColl) RecordScanDetail(planID int, detail *ScanDetail) { copStats := e.GetCopStats(planID) - if copStats.copDetails == nil { - copStats.copDetails = &CopDetails{} - } - copStats.copDetails.Merge(detail) + copStats.scanDetail.Merge(detail) } // ExistsRootStats checks if the planID exists in the rootStats collection. diff --git a/util/execdetails/execdetails_test.go b/util/execdetails/execdetails_test.go index e00beca076419..0e09548682881 100644 --- a/util/execdetails/execdetails_test.go +++ b/util/execdetails/execdetails_test.go @@ -32,8 +32,6 @@ func TestT(t *testing.T) { func TestString(t *testing.T) { detail := &ExecDetails{ CopTime: time.Second + 3*time.Millisecond, - ProcessTime: 2*time.Second + 5*time.Millisecond, - WaitTime: time.Second, BackoffTime: time.Second, RequestCount: 1, CommitDetail: &CommitDetails{ @@ -59,7 +57,7 @@ func TestString(t *testing.T) { PrewriteRegionNum: 1, TxnRetry: 1, }, - CopDetail: &CopDetails{ + ScanDetail: &ScanDetail{ ProcessedKeys: 10, TotalKeys: 100, RocksdbDeleteSkippedCount: 1, @@ -68,6 +66,10 @@ func TestString(t *testing.T) { RocksdbBlockReadCount: 1, RocksdbBlockReadByte: 100, }, + TimeDetail: TimeDetail{ + ProcessTime: 2*time.Second + 5*time.Millisecond, + WaitTime: time.Second, + }, } expected := "Cop_time: 1.003 Process_time: 2.005 Wait_time: 1 Backoff_time: 1 Request_count: 1 Prewrite_time: 1 Commit_time: 1 " + "Get_commit_ts_time: 1 Commit_backoff_time: 1 Backoff_types: [backoff1 backoff2] Resolve_lock_time: 1 Local_latch_wait_time: 1 Write_keys: 1 Write_size: 1 Prewrite_region: 1 Txn_retry: 1 " + @@ -100,7 +102,7 @@ func TestCopRuntimeStats(t *testing.T) { stats.RecordOneCopTask(tableScanID, "8.8.8.9", mockExecutorExecutionSummary(2, 2, 2)) stats.RecordOneCopTask(aggID, "8.8.8.8", mockExecutorExecutionSummary(3, 3, 3)) stats.RecordOneCopTask(aggID, "8.8.8.9", mockExecutorExecutionSummary(4, 4, 4)) - copDetails := &CopDetails{ + scanDetail := &ScanDetail{ TotalKeys: 15, ProcessedKeys: 10, RocksdbDeleteSkippedCount: 5, @@ -109,13 +111,13 @@ func TestCopRuntimeStats(t *testing.T) { RocksdbBlockReadCount: 20, RocksdbBlockReadByte: 100, } - stats.RecordCopDetail(tableScanID, copDetails) + stats.RecordScanDetail(tableScanID, scanDetail) if stats.ExistsCopStats(tableScanID) != true { t.Fatal("exist") } cop := stats.GetCopStats(tableScanID) - if cop.String() != "tikv_task:{proc max:2ns, min:1ns, p80:2ns, p95:2ns, iters:3, tasks:2}, total_keys: 15, "+ - "processed_keys: 10, rocksdb: {delete_skipped_count: 5, key_skipped_count: 1, block_cache_hit_count: 10, block_read_count: 20, block_read: 100 Bytes}" { + if cop.String() != "tikv_task:{proc max:2ns, min:1ns, p80:2ns, p95:2ns, iters:3, tasks:2}, "+ + "scan_detail: {total_process_keys: 10, total_keys: 15, rocksdb: {delete_skipped_count: 5, key_skipped_count: 1, block: {cache_hit_count: 10, read_count: 20, read_byte: 100 Bytes}}}" { t.Fatalf(cop.String()) } copStats := cop.stats["8.8.8.8"] @@ -128,7 +130,8 @@ func TestCopRuntimeStats(t *testing.T) { t.Fatalf("cop stats string is not expect, got: %v", copStats[0].String()) } - if stats.GetCopStats(aggID).String() != "tikv_task:{proc max:4ns, min:3ns, p80:4ns, p95:4ns, iters:7, tasks:2}" { + if stats.GetCopStats(aggID).String() != "tikv_task:{proc max:4ns, min:3ns, p80:4ns, p95:4ns, iters:7, tasks:2}, "+ + "scan_detail: {total_process_keys: 0, total_keys: 0, rocksdb: {delete_skipped_count: 0, key_skipped_count: 0, block: {cache_hit_count: 0, read_count: 0, read_byte: 0 Bytes}}}" { t.Fatal("agg") } rootStats := stats.GetRootStats(tableReaderID) @@ -139,12 +142,12 @@ func TestCopRuntimeStats(t *testing.T) { t.Fatal("table_reader not exists") } - cop.copDetails.ProcessedKeys = 0 - cop.copDetails.RocksdbKeySkippedCount = 0 - cop.copDetails.RocksdbBlockReadCount = 0 + cop.scanDetail.ProcessedKeys = 0 + cop.scanDetail.RocksdbKeySkippedCount = 0 + cop.scanDetail.RocksdbBlockReadCount = 0 // Print all fields even though the value of some fields is 0. - if cop.String() != "tikv_task:{proc max:1s, min:2ns, p80:1s, p95:1s, iters:4, tasks:2}, total_keys: 15, "+ - "processed_keys: 0, rocksdb: {delete_skipped_count: 5, key_skipped_count: 0, block_cache_hit_count: 10, block_read_count: 0, block_read: 100 Bytes}" { + if cop.String() != "tikv_task:{proc max:1s, min:2ns, p80:1s, p95:1s, iters:4, tasks:2}, "+ + "scan_detail: {total_process_keys: 0, total_keys: 15, rocksdb: {delete_skipped_count: 5, key_skipped_count: 0, block: {cache_hit_count: 10, read_count: 0, read_byte: 100 Bytes}}}" { t.Fatalf(cop.String()) } } @@ -158,7 +161,7 @@ func TestCopRuntimeStatsForTiFlash(t *testing.T) { stats.RecordOneCopTask(aggID, "8.8.8.9", mockExecutorExecutionSummaryForTiFlash(2, 2, 2, "tablescan_"+strconv.Itoa(tableScanID))) stats.RecordOneCopTask(tableScanID, "8.8.8.8", mockExecutorExecutionSummaryForTiFlash(3, 3, 3, "aggregation_"+strconv.Itoa(aggID))) stats.RecordOneCopTask(tableScanID, "8.8.8.9", mockExecutorExecutionSummaryForTiFlash(4, 4, 4, "aggregation_"+strconv.Itoa(aggID))) - copDetails := &CopDetails{ + scanDetail := &ScanDetail{ TotalKeys: 10, ProcessedKeys: 10, RocksdbDeleteSkippedCount: 10, @@ -167,13 +170,13 @@ func TestCopRuntimeStatsForTiFlash(t *testing.T) { RocksdbBlockReadCount: 10, RocksdbBlockReadByte: 100, } - stats.RecordCopDetail(tableScanID, copDetails) + stats.RecordScanDetail(tableScanID, scanDetail) if stats.ExistsCopStats(tableScanID) != true { t.Fatal("exist") } cop := stats.GetCopStats(tableScanID) if cop.String() != "tikv_task:{proc max:2ns, min:1ns, p80:2ns, p95:2ns, iters:3, tasks:2}"+ - ", total_keys: 10, processed_keys: 10, rocksdb: {delete_skipped_count: 10, key_skipped_count: 1, block_cache_hit_count: 10, block_read_count: 10, block_read: 100 Bytes}" { + ", scan_detail: {total_process_keys: 10, total_keys: 10, rocksdb: {delete_skipped_count: 10, key_skipped_count: 1, block: {cache_hit_count: 10, read_count: 10, read_byte: 100 Bytes}}}" { t.Fatal(cop.String()) } copStats := cop.stats["8.8.8.8"] @@ -186,7 +189,8 @@ func TestCopRuntimeStatsForTiFlash(t *testing.T) { t.Fatalf("cop stats string is not expect, got: %v", copStats[0].String()) } - if stats.GetCopStats(aggID).String() != "tikv_task:{proc max:4ns, min:3ns, p80:4ns, p95:4ns, iters:7, tasks:2}" { + if stats.GetCopStats(aggID).String() != "tikv_task:{proc max:4ns, min:3ns, p80:4ns, p95:4ns, iters:7, tasks:2}, "+ + "scan_detail: {total_process_keys: 0, total_keys: 0, rocksdb: {delete_skipped_count: 0, key_skipped_count: 0, block: {cache_hit_count: 0, read_count: 0, read_byte: 0 Bytes}}}" { t.Fatal("agg") } rootStats := stats.GetRootStats(tableReaderID) diff --git a/util/stmtsummary/statement_summary.go b/util/stmtsummary/statement_summary.go index 96d26052e83c8..6258c2343c2eb 100644 --- a/util/stmtsummary/statement_summary.go +++ b/util/stmtsummary/statement_summary.go @@ -711,47 +711,47 @@ func (ssElement *stmtSummaryByDigestElement) add(sei *StmtExecInfo, intervalSeco } // TiKV - ssElement.sumProcessTime += sei.ExecDetail.ProcessTime - if sei.ExecDetail.ProcessTime > ssElement.maxProcessTime { - ssElement.maxProcessTime = sei.ExecDetail.ProcessTime + ssElement.sumProcessTime += sei.ExecDetail.TimeDetail.ProcessTime + if sei.ExecDetail.TimeDetail.ProcessTime > ssElement.maxProcessTime { + ssElement.maxProcessTime = sei.ExecDetail.TimeDetail.ProcessTime } - ssElement.sumWaitTime += sei.ExecDetail.WaitTime - if sei.ExecDetail.WaitTime > ssElement.maxWaitTime { - ssElement.maxWaitTime = sei.ExecDetail.WaitTime + ssElement.sumWaitTime += sei.ExecDetail.TimeDetail.WaitTime + if sei.ExecDetail.TimeDetail.WaitTime > ssElement.maxWaitTime { + ssElement.maxWaitTime = sei.ExecDetail.TimeDetail.WaitTime } ssElement.sumBackoffTime += sei.ExecDetail.BackoffTime if sei.ExecDetail.BackoffTime > ssElement.maxBackoffTime { ssElement.maxBackoffTime = sei.ExecDetail.BackoffTime } - if sei.ExecDetail.CopDetail != nil { - ssElement.sumTotalKeys += sei.ExecDetail.CopDetail.TotalKeys - if sei.ExecDetail.CopDetail.TotalKeys > ssElement.maxTotalKeys { - ssElement.maxTotalKeys = sei.ExecDetail.CopDetail.TotalKeys + if sei.ExecDetail.ScanDetail != nil { + ssElement.sumTotalKeys += sei.ExecDetail.ScanDetail.TotalKeys + if sei.ExecDetail.ScanDetail.TotalKeys > ssElement.maxTotalKeys { + ssElement.maxTotalKeys = sei.ExecDetail.ScanDetail.TotalKeys } - ssElement.sumProcessedKeys += sei.ExecDetail.CopDetail.ProcessedKeys - if sei.ExecDetail.CopDetail.ProcessedKeys > ssElement.maxProcessedKeys { - ssElement.maxProcessedKeys = sei.ExecDetail.CopDetail.ProcessedKeys + ssElement.sumProcessedKeys += sei.ExecDetail.ScanDetail.ProcessedKeys + if sei.ExecDetail.ScanDetail.ProcessedKeys > ssElement.maxProcessedKeys { + ssElement.maxProcessedKeys = sei.ExecDetail.ScanDetail.ProcessedKeys } - ssElement.sumRocksdbDeleteSkippedCount += sei.ExecDetail.CopDetail.RocksdbDeleteSkippedCount - if sei.ExecDetail.CopDetail.RocksdbDeleteSkippedCount > ssElement.maxRocksdbDeleteSkippedCount { - ssElement.maxRocksdbDeleteSkippedCount = sei.ExecDetail.CopDetail.RocksdbDeleteSkippedCount + ssElement.sumRocksdbDeleteSkippedCount += sei.ExecDetail.ScanDetail.RocksdbDeleteSkippedCount + if sei.ExecDetail.ScanDetail.RocksdbDeleteSkippedCount > ssElement.maxRocksdbDeleteSkippedCount { + ssElement.maxRocksdbDeleteSkippedCount = sei.ExecDetail.ScanDetail.RocksdbDeleteSkippedCount } - ssElement.sumRocksdbKeySkippedCount += sei.ExecDetail.CopDetail.RocksdbKeySkippedCount - if sei.ExecDetail.CopDetail.RocksdbKeySkippedCount > ssElement.maxRocksdbKeySkippedCount { - ssElement.maxRocksdbKeySkippedCount = sei.ExecDetail.CopDetail.RocksdbKeySkippedCount + ssElement.sumRocksdbKeySkippedCount += sei.ExecDetail.ScanDetail.RocksdbKeySkippedCount + if sei.ExecDetail.ScanDetail.RocksdbKeySkippedCount > ssElement.maxRocksdbKeySkippedCount { + ssElement.maxRocksdbKeySkippedCount = sei.ExecDetail.ScanDetail.RocksdbKeySkippedCount } - ssElement.sumRocksdbBlockCacheHitCount += sei.ExecDetail.CopDetail.RocksdbBlockCacheHitCount - if sei.ExecDetail.CopDetail.RocksdbBlockCacheHitCount > ssElement.maxRocksdbBlockCacheHitCount { - ssElement.maxRocksdbBlockCacheHitCount = sei.ExecDetail.CopDetail.RocksdbBlockCacheHitCount + ssElement.sumRocksdbBlockCacheHitCount += sei.ExecDetail.ScanDetail.RocksdbBlockCacheHitCount + if sei.ExecDetail.ScanDetail.RocksdbBlockCacheHitCount > ssElement.maxRocksdbBlockCacheHitCount { + ssElement.maxRocksdbBlockCacheHitCount = sei.ExecDetail.ScanDetail.RocksdbBlockCacheHitCount } - ssElement.sumRocksdbBlockReadCount += sei.ExecDetail.CopDetail.RocksdbBlockReadCount - if sei.ExecDetail.CopDetail.RocksdbBlockReadCount > ssElement.maxRocksdbBlockReadCount { - ssElement.maxRocksdbBlockReadCount = sei.ExecDetail.CopDetail.RocksdbBlockReadCount + ssElement.sumRocksdbBlockReadCount += sei.ExecDetail.ScanDetail.RocksdbBlockReadCount + if sei.ExecDetail.ScanDetail.RocksdbBlockReadCount > ssElement.maxRocksdbBlockReadCount { + ssElement.maxRocksdbBlockReadCount = sei.ExecDetail.ScanDetail.RocksdbBlockReadCount } - ssElement.sumRocksdbBlockReadByte += sei.ExecDetail.CopDetail.RocksdbBlockReadByte - if sei.ExecDetail.CopDetail.RocksdbBlockReadByte > ssElement.maxRocksdbBlockReadByte { - ssElement.maxRocksdbBlockReadByte = sei.ExecDetail.CopDetail.RocksdbBlockReadByte + ssElement.sumRocksdbBlockReadByte += sei.ExecDetail.ScanDetail.RocksdbBlockReadByte + if sei.ExecDetail.ScanDetail.RocksdbBlockReadByte > ssElement.maxRocksdbBlockReadByte { + ssElement.maxRocksdbBlockReadByte = sei.ExecDetail.ScanDetail.RocksdbBlockReadByte } } diff --git a/util/stmtsummary/statement_summary_test.go b/util/stmtsummary/statement_summary_test.go index cf842a73b93be..f85ed2e881767 100644 --- a/util/stmtsummary/statement_summary_test.go +++ b/util/stmtsummary/statement_summary_test.go @@ -95,16 +95,16 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) { maxCopProcessAddress: stmtExecInfo1.CopTasks.MaxProcessAddress, maxCopWaitTime: stmtExecInfo1.CopTasks.MaxWaitTime, maxCopWaitAddress: stmtExecInfo1.CopTasks.MaxWaitAddress, - sumProcessTime: stmtExecInfo1.ExecDetail.ProcessTime, - maxProcessTime: stmtExecInfo1.ExecDetail.ProcessTime, - sumWaitTime: stmtExecInfo1.ExecDetail.WaitTime, - maxWaitTime: stmtExecInfo1.ExecDetail.WaitTime, + sumProcessTime: stmtExecInfo1.ExecDetail.TimeDetail.ProcessTime, + maxProcessTime: stmtExecInfo1.ExecDetail.TimeDetail.ProcessTime, + sumWaitTime: stmtExecInfo1.ExecDetail.TimeDetail.WaitTime, + maxWaitTime: stmtExecInfo1.ExecDetail.TimeDetail.WaitTime, sumBackoffTime: stmtExecInfo1.ExecDetail.BackoffTime, maxBackoffTime: stmtExecInfo1.ExecDetail.BackoffTime, - sumTotalKeys: stmtExecInfo1.ExecDetail.CopDetail.TotalKeys, - maxTotalKeys: stmtExecInfo1.ExecDetail.CopDetail.TotalKeys, - sumProcessedKeys: stmtExecInfo1.ExecDetail.CopDetail.ProcessedKeys, - maxProcessedKeys: stmtExecInfo1.ExecDetail.CopDetail.ProcessedKeys, + sumTotalKeys: stmtExecInfo1.ExecDetail.ScanDetail.TotalKeys, + maxTotalKeys: stmtExecInfo1.ExecDetail.ScanDetail.TotalKeys, + sumProcessedKeys: stmtExecInfo1.ExecDetail.ScanDetail.ProcessedKeys, + maxProcessedKeys: stmtExecInfo1.ExecDetail.ScanDetail.ProcessedKeys, sumGetCommitTsTime: stmtExecInfo1.ExecDetail.CommitDetail.GetCommitTsTime, maxGetCommitTsTime: stmtExecInfo1.ExecDetail.CommitDetail.GetCommitTsTime, sumPrewriteTime: stmtExecInfo1.ExecDetail.CommitDetail.PrewriteTime, @@ -176,8 +176,6 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) { }, ExecDetail: &execdetails.ExecDetails{ CalleeAddress: "202", - ProcessTime: 1500, - WaitTime: 150, BackoffTime: 180, RequestCount: 20, CommitDetail: &execdetails.CommitDetails{ @@ -198,7 +196,7 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) { PrewriteRegionNum: 100, TxnRetry: 10, }, - CopDetail: &execdetails.CopDetails{ + ScanDetail: &execdetails.ScanDetail{ TotalKeys: 6000, ProcessedKeys: 1500, RocksdbDeleteSkippedCount: 100, @@ -207,6 +205,10 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) { RocksdbBlockReadCount: 10, RocksdbBlockReadByte: 1000, }, + TimeDetail: execdetails.TimeDetail{ + ProcessTime: 1500, + WaitTime: 150, + }, }, StmtCtx: &stmtctx.StatementContext{ StmtType: "Select", @@ -231,16 +233,16 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) { expectedSummaryElement.maxCopProcessAddress = stmtExecInfo2.CopTasks.MaxProcessAddress expectedSummaryElement.maxCopWaitTime = stmtExecInfo2.CopTasks.MaxWaitTime expectedSummaryElement.maxCopWaitAddress = stmtExecInfo2.CopTasks.MaxWaitAddress - expectedSummaryElement.sumProcessTime += stmtExecInfo2.ExecDetail.ProcessTime - expectedSummaryElement.maxProcessTime = stmtExecInfo2.ExecDetail.ProcessTime - expectedSummaryElement.sumWaitTime += stmtExecInfo2.ExecDetail.WaitTime - expectedSummaryElement.maxWaitTime = stmtExecInfo2.ExecDetail.WaitTime + expectedSummaryElement.sumProcessTime += stmtExecInfo2.ExecDetail.TimeDetail.ProcessTime + expectedSummaryElement.maxProcessTime = stmtExecInfo2.ExecDetail.TimeDetail.ProcessTime + expectedSummaryElement.sumWaitTime += stmtExecInfo2.ExecDetail.TimeDetail.WaitTime + expectedSummaryElement.maxWaitTime = stmtExecInfo2.ExecDetail.TimeDetail.WaitTime expectedSummaryElement.sumBackoffTime += stmtExecInfo2.ExecDetail.BackoffTime expectedSummaryElement.maxBackoffTime = stmtExecInfo2.ExecDetail.BackoffTime - expectedSummaryElement.sumTotalKeys += stmtExecInfo2.ExecDetail.CopDetail.TotalKeys - expectedSummaryElement.maxTotalKeys = stmtExecInfo2.ExecDetail.CopDetail.TotalKeys - expectedSummaryElement.sumProcessedKeys += stmtExecInfo2.ExecDetail.CopDetail.ProcessedKeys - expectedSummaryElement.maxProcessedKeys = stmtExecInfo2.ExecDetail.CopDetail.ProcessedKeys + expectedSummaryElement.sumTotalKeys += stmtExecInfo2.ExecDetail.ScanDetail.TotalKeys + expectedSummaryElement.maxTotalKeys = stmtExecInfo2.ExecDetail.ScanDetail.TotalKeys + expectedSummaryElement.sumProcessedKeys += stmtExecInfo2.ExecDetail.ScanDetail.ProcessedKeys + expectedSummaryElement.maxProcessedKeys = stmtExecInfo2.ExecDetail.ScanDetail.ProcessedKeys expectedSummaryElement.sumGetCommitTsTime += stmtExecInfo2.ExecDetail.CommitDetail.GetCommitTsTime expectedSummaryElement.maxGetCommitTsTime = stmtExecInfo2.ExecDetail.CommitDetail.GetCommitTsTime expectedSummaryElement.sumPrewriteTime += stmtExecInfo2.ExecDetail.CommitDetail.PrewriteTime @@ -301,8 +303,6 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) { }, ExecDetail: &execdetails.ExecDetails{ CalleeAddress: "302", - ProcessTime: 150, - WaitTime: 15, BackoffTime: 18, RequestCount: 2, CommitDetail: &execdetails.CommitDetails{ @@ -323,7 +323,7 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) { PrewriteRegionNum: 10, TxnRetry: 1, }, - CopDetail: &execdetails.CopDetails{ + ScanDetail: &execdetails.ScanDetail{ TotalKeys: 600, ProcessedKeys: 150, RocksdbDeleteSkippedCount: 100, @@ -332,6 +332,10 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) { RocksdbBlockReadCount: 10, RocksdbBlockReadByte: 1000, }, + TimeDetail: execdetails.TimeDetail{ + ProcessTime: 150, + WaitTime: 15, + }, }, StmtCtx: &stmtctx.StatementContext{ StmtType: "Select", @@ -350,11 +354,11 @@ func (s *testStmtSummarySuite) TestAddStatement(c *C) { expectedSummaryElement.sumParseLatency += stmtExecInfo3.ParseLatency expectedSummaryElement.sumCompileLatency += stmtExecInfo3.CompileLatency expectedSummaryElement.sumNumCopTasks += int64(stmtExecInfo3.CopTasks.NumCopTasks) - expectedSummaryElement.sumProcessTime += stmtExecInfo3.ExecDetail.ProcessTime - expectedSummaryElement.sumWaitTime += stmtExecInfo3.ExecDetail.WaitTime + expectedSummaryElement.sumProcessTime += stmtExecInfo3.ExecDetail.TimeDetail.ProcessTime + expectedSummaryElement.sumWaitTime += stmtExecInfo3.ExecDetail.TimeDetail.WaitTime expectedSummaryElement.sumBackoffTime += stmtExecInfo3.ExecDetail.BackoffTime - expectedSummaryElement.sumTotalKeys += stmtExecInfo3.ExecDetail.CopDetail.TotalKeys - expectedSummaryElement.sumProcessedKeys += stmtExecInfo3.ExecDetail.CopDetail.ProcessedKeys + expectedSummaryElement.sumTotalKeys += stmtExecInfo3.ExecDetail.ScanDetail.TotalKeys + expectedSummaryElement.sumProcessedKeys += stmtExecInfo3.ExecDetail.ScanDetail.ProcessedKeys expectedSummaryElement.sumGetCommitTsTime += stmtExecInfo3.ExecDetail.CommitDetail.GetCommitTsTime expectedSummaryElement.sumPrewriteTime += stmtExecInfo3.ExecDetail.CommitDetail.PrewriteTime expectedSummaryElement.sumCommitTime += stmtExecInfo3.ExecDetail.CommitDetail.CommitTime @@ -555,8 +559,6 @@ func generateAnyExecInfo() *StmtExecInfo { }, ExecDetail: &execdetails.ExecDetails{ CalleeAddress: "129", - ProcessTime: 500, - WaitTime: 50, BackoffTime: 80, RequestCount: 10, CommitDetail: &execdetails.CommitDetails{ @@ -577,7 +579,7 @@ func generateAnyExecInfo() *StmtExecInfo { PrewriteRegionNum: 20, TxnRetry: 2, }, - CopDetail: &execdetails.CopDetails{ + ScanDetail: &execdetails.ScanDetail{ TotalKeys: 1000, ProcessedKeys: 500, RocksdbDeleteSkippedCount: 100, @@ -586,6 +588,10 @@ func generateAnyExecInfo() *StmtExecInfo { RocksdbBlockReadCount: 10, RocksdbBlockReadByte: 1000, }, + TimeDetail: execdetails.TimeDetail{ + ProcessTime: 500, + WaitTime: 50, + }, }, StmtCtx: &stmtctx.StatementContext{ StmtType: "Select", @@ -621,15 +627,15 @@ func (s *testStmtSummarySuite) TestToDatum(c *C) { int64(stmtExecInfo1.ParseLatency), int64(stmtExecInfo1.ParseLatency), int64(stmtExecInfo1.CompileLatency), int64(stmtExecInfo1.CompileLatency), stmtExecInfo1.CopTasks.NumCopTasks, int64(stmtExecInfo1.CopTasks.MaxProcessTime), stmtExecInfo1.CopTasks.MaxProcessAddress, int64(stmtExecInfo1.CopTasks.MaxWaitTime), - stmtExecInfo1.CopTasks.MaxWaitAddress, int64(stmtExecInfo1.ExecDetail.ProcessTime), int64(stmtExecInfo1.ExecDetail.ProcessTime), - int64(stmtExecInfo1.ExecDetail.WaitTime), int64(stmtExecInfo1.ExecDetail.WaitTime), int64(stmtExecInfo1.ExecDetail.BackoffTime), - int64(stmtExecInfo1.ExecDetail.BackoffTime), stmtExecInfo1.ExecDetail.CopDetail.TotalKeys, stmtExecInfo1.ExecDetail.CopDetail.TotalKeys, - stmtExecInfo1.ExecDetail.CopDetail.ProcessedKeys, stmtExecInfo1.ExecDetail.CopDetail.ProcessedKeys, - int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbDeleteSkippedCount), int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbDeleteSkippedCount), - int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbKeySkippedCount), int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbKeySkippedCount), - int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbBlockCacheHitCount), int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbBlockCacheHitCount), - int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbBlockReadCount), int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbBlockReadCount), - int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbBlockReadByte), int64(stmtExecInfo1.ExecDetail.CopDetail.RocksdbBlockReadByte), + stmtExecInfo1.CopTasks.MaxWaitAddress, int64(stmtExecInfo1.ExecDetail.TimeDetail.ProcessTime), int64(stmtExecInfo1.ExecDetail.TimeDetail.ProcessTime), + int64(stmtExecInfo1.ExecDetail.TimeDetail.WaitTime), int64(stmtExecInfo1.ExecDetail.TimeDetail.WaitTime), int64(stmtExecInfo1.ExecDetail.BackoffTime), + int64(stmtExecInfo1.ExecDetail.BackoffTime), stmtExecInfo1.ExecDetail.ScanDetail.TotalKeys, stmtExecInfo1.ExecDetail.ScanDetail.TotalKeys, + stmtExecInfo1.ExecDetail.ScanDetail.ProcessedKeys, stmtExecInfo1.ExecDetail.ScanDetail.ProcessedKeys, + int64(stmtExecInfo1.ExecDetail.ScanDetail.RocksdbDeleteSkippedCount), int64(stmtExecInfo1.ExecDetail.ScanDetail.RocksdbDeleteSkippedCount), + int64(stmtExecInfo1.ExecDetail.ScanDetail.RocksdbKeySkippedCount), int64(stmtExecInfo1.ExecDetail.ScanDetail.RocksdbKeySkippedCount), + int64(stmtExecInfo1.ExecDetail.ScanDetail.RocksdbBlockCacheHitCount), int64(stmtExecInfo1.ExecDetail.ScanDetail.RocksdbBlockCacheHitCount), + int64(stmtExecInfo1.ExecDetail.ScanDetail.RocksdbBlockReadCount), int64(stmtExecInfo1.ExecDetail.ScanDetail.RocksdbBlockReadCount), + int64(stmtExecInfo1.ExecDetail.ScanDetail.RocksdbBlockReadByte), int64(stmtExecInfo1.ExecDetail.ScanDetail.RocksdbBlockReadByte), int64(stmtExecInfo1.ExecDetail.CommitDetail.PrewriteTime), int64(stmtExecInfo1.ExecDetail.CommitDetail.PrewriteTime), int64(stmtExecInfo1.ExecDetail.CommitDetail.CommitTime), int64(stmtExecInfo1.ExecDetail.CommitDetail.CommitTime), int64(stmtExecInfo1.ExecDetail.CommitDetail.GetCommitTsTime), int64(stmtExecInfo1.ExecDetail.CommitDetail.GetCommitTsTime), From d754770e509aaede0ec238b7087ee65bd72598b7 Mon Sep 17 00:00:00 2001 From: Yuanjia Zhang Date: Wed, 30 Dec 2020 17:39:36 +0800 Subject: [PATCH 0591/1021] executor: fix incompatible escape behaviors in `select into outfile` (#22100) --- executor/select_into.go | 8 +++++++- executor/select_into_test.go | 20 ++++++++++++++++++++ 2 files changed, 27 insertions(+), 1 deletion(-) diff --git a/executor/select_into.go b/executor/select_into.go index 7709a66970023..2c65712b216e4 100644 --- a/executor/select_into.go +++ b/executor/select_into.go @@ -193,7 +193,13 @@ func (s *SelectIntoExec) dumpToOutfile() error { case mysql.TypeJSON: s.fieldBuf = append(s.fieldBuf, row.GetJSON(j).String()...) } - s.lineBuf = append(s.lineBuf, s.escapeField(s.fieldBuf)...) + + switch col.GetType().EvalType() { + case types.ETString, types.ETJson: + s.lineBuf = append(s.lineBuf, s.escapeField(s.fieldBuf)...) + default: + s.lineBuf = append(s.lineBuf, s.fieldBuf...) + } if (encloseFlag && !encloseOpt) || (encloseFlag && encloseOpt && s.considerEncloseOpt(et)) { s.lineBuf = append(s.lineBuf, encloseByte) diff --git a/executor/select_into_test.go b/executor/select_into_test.go index 9d93b8adafddf..4d9e4861a0496 100644 --- a/executor/select_into_test.go +++ b/executor/select_into_test.go @@ -246,3 +246,23 @@ func (s *testSuite1) TestDumpReal(c *C) { c.Assert(string(buf), Equals, testCase.result) } } + +func (s *testSuite1) TestEscapeType(c *C) { + outfile := randomSelectFilePath("TestEscapeType") + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec(`create table t ( + a int, + b double, + c varchar(10), + d blob, + e json, + f set('1', '2', '3'), + g enum('1', '2', '3'))`) + tk.MustExec(`insert into t values (1, 1, "1", "1", '{"key": 1}', "1", "1")`) + + tk.MustExec(fmt.Sprintf("select * from t into outfile '%v' fields terminated by ',' escaped by '1'", outfile)) + cmpAndRm(`1,1,11,11,{"key": 11},11,11 +`, outfile, c) +} From 273d6dba9aef0c195640cadf4fe437d8281b1653 Mon Sep 17 00:00:00 2001 From: Shenjun Ma Date: Wed, 30 Dec 2020 19:59:13 +0800 Subject: [PATCH 0592/1021] planner: check if columns count matches for batch point get in TryFastPlan (#22044) Signed-off-by: Shenjun Ma --- planner/core/integration_test.go | 19 ++++++++++++++ planner/core/logical_plan_test.go | 42 +++++++++++++++++++++++++++++++ planner/core/point_get_plan.go | 8 ++++++ 3 files changed, 69 insertions(+) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index 40dfb63da0718..c36cf1d6377c6 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -2339,3 +2339,22 @@ func (s *testIntegrationSuite) TestConvertRangeToPoint(c *C) { tk.MustQuery(tt).Check(testkit.Rows(output[i].Plan...)) } } + +func (s *testIntegrationSuite) TestIssue22040(c *C) { + // #22040 + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t (a int, b int, primary key(a,b))") + // valid case + tk.MustExec("select * from t where (a,b) in ((1,2),(1,2))") + // invalid case, column count doesn't match + { + err := tk.ExecToErr("select * from t where (a,b) in (1,2)") + c.Assert(errors.Cause(err), FitsTypeOf, expression.ErrOperandColumns) + } + { + err := tk.ExecToErr("select * from t where (a,b) in ((1,2),1)") + c.Assert(errors.Cause(err), FitsTypeOf, expression.ErrOperandColumns) + } +} diff --git a/planner/core/logical_plan_test.go b/planner/core/logical_plan_test.go index 51526f3a1b6a2..d350477bddfb1 100644 --- a/planner/core/logical_plan_test.go +++ b/planner/core/logical_plan_test.go @@ -1703,3 +1703,45 @@ func (s *testPlanSuite) TestResolvingCorrelatedAggregate(c *C) { c.Assert(ToString(p), Equals, tt.best, comment) } } + +func (s *testPlanSuite) TestFastPathInvalidBatchPointGet(c *C) { + // #22040 + defer testleak.AfterTest(c)() + tt := []struct { + sql string + fastPlan bool + }{ + { + // column count doesn't match, not use idx + sql: "select * from t where (a,b) in ((1,2),1)", + fastPlan: false, + }, + { + // column count doesn't match, not use idx + sql: "select * from t where (a,b) in (1,2)", + fastPlan: false, + }, + { + // column count doesn't match, use idx + sql: "select * from t where (f,g) in ((1,2),1)", + fastPlan: false, + }, + { + // column count doesn't match, use idx + sql: "select * from t where (f,g) in (1,2)", + fastPlan: false, + }, + } + for i, tc := range tt { + comment := Commentf("case:%v sql:%s", i, tc.sql) + stmt, err := s.ParseOneStmt(tc.sql, "", "") + c.Assert(err, IsNil, comment) + c.Assert(Preprocess(s.ctx, stmt, s.is), IsNil, comment) + plan := TryFastPlan(s.ctx, stmt) + if tc.fastPlan { + c.Assert(plan, NotNil) + } else { + c.Assert(plan, IsNil) + } + } +} diff --git a/planner/core/point_get_plan.go b/planner/core/point_get_plan.go index 95fef18b04d59..abbd1ca8fdd32 100644 --- a/planner/core/point_get_plan.go +++ b/planner/core/point_get_plan.go @@ -619,11 +619,19 @@ func newBatchPointGetPlan( } } case *driver.ValueExpr: + // if any item is `ValueExpr` type, `Expr` should contain only one column, + // otherwise column count doesn't match and no plan can be built. + if len(whereColNames) != 1 { + return nil + } if !checkCanConvertInPointGet(colInfos[0], x.Datum) { return nil } values = []types.Datum{x.Datum} case *driver.ParamMarkerExpr: + if len(whereColNames) != 1 { + return nil + } if !checkCanConvertInPointGet(colInfos[0], x.Datum) { return nil } From fb4426b675393cbe4ba534ca680209d3f1fa3987 Mon Sep 17 00:00:00 2001 From: crazycs Date: Wed, 30 Dec 2020 20:13:43 +0800 Subject: [PATCH 0593/1021] executor: avoid log duplicate index name in slow-log (#22057) Signed-off-by: crazycs520 --- executor/adapter.go | 28 +++++++++++++++++++++++----- executor/executor_test.go | 25 +++++++++++++++++++++++++ 2 files changed, 48 insertions(+), 5 deletions(-) diff --git a/executor/adapter.go b/executor/adapter.go index 1427603a91b64..2de4d28214634 100644 --- a/executor/adapter.go +++ b/executor/adapter.go @@ -14,6 +14,7 @@ package executor import ( + "bytes" "context" "fmt" "math" @@ -884,12 +885,25 @@ func (a *ExecStmt) LogSlowQuery(txnTS uint64, succ bool, hasMoreResults bool) { sql = FormatSQL(a.Text, sessVars.PreparedParams) } - var tableIDs, indexNames string - if len(sessVars.StmtCtx.TableIDs) > 0 { - tableIDs = strings.Replace(fmt.Sprintf("%v", sessVars.StmtCtx.TableIDs), " ", ",", -1) - } + var indexNames string if len(sessVars.StmtCtx.IndexNames) > 0 { - indexNames = strings.Replace(fmt.Sprintf("%v", sessVars.StmtCtx.IndexNames), " ", ",", -1) + // remove duplicate index. + idxMap := make(map[string]struct{}) + buf := bytes.NewBuffer(make([]byte, 0, 4)) + buf.WriteByte('[') + for _, idx := range sessVars.StmtCtx.IndexNames { + _, ok := idxMap[idx] + if ok { + continue + } + idxMap[idx] = struct{}{} + if buf.Len() > 1 { + buf.WriteByte(',') + } + buf.WriteString(idx) + } + buf.WriteByte(']') + indexNames = buf.String() } var stmtDetail execdetails.StmtExecDetails stmtDetailRaw := a.GoCtx.Value(execdetails.StmtExecDetailKey) @@ -951,6 +965,10 @@ func (a *ExecStmt) LogSlowQuery(txnTS uint64, succ bool, hasMoreResults bool) { if sessVars.User != nil { userString = sessVars.User.String() } + var tableIDs string + if len(sessVars.StmtCtx.TableIDs) > 0 { + tableIDs = strings.Replace(fmt.Sprintf("%v", sessVars.StmtCtx.TableIDs), " ", ",", -1) + } domain.GetDomain(a.Ctx).LogSlowQuery(&domain.SlowQueryInfo{ SQL: sql.String(), Digest: digest, diff --git a/executor/executor_test.go b/executor/executor_test.go index f578ef47e1d08..27382a64d3d9c 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6556,6 +6556,31 @@ func (s *testSlowQuery) TestSlowQuerySensitiveQuery(c *C) { )) } +func (s *testSlowQuery) TestLogSlowLogIndex(c *C) { + tk := testkit.NewTestKit(c, s.store) + f, err := ioutil.TempFile("", "tidb-slow-*.log") + c.Assert(err, IsNil) + f.Close() + + defer config.RestoreFunc()() + config.UpdateGlobal(func(conf *config.Config) { + conf.Log.SlowQueryFile = f.Name() + }) + err = logutil.InitLogger(config.GetGlobalConfig().Log.ToLogConfig()) + c.Assert(err, IsNil) + + tk.MustExec("use test") + tk.MustExec("create table t (a int, b int,index idx(a));") + tk.MustExec("set tidb_slow_log_threshold=0;") + tk.MustQuery("select * from t use index (idx) where a in (1) union select * from t use index (idx) where a in (2,3);") + tk.MustExec("set tidb_slow_log_threshold=300;") + tk.MustQuery("select index_names from `information_schema`.`slow_query` " + + "where query like 'select%union%' limit 1"). + Check(testkit.Rows( + "[t:idx]", + )) +} + func (s *testSlowQuery) TestSlowQuery(c *C) { tk := testkit.NewTestKit(c, s.store) From c40d7833b8e96143b2da6a41413d1b765e69c342 Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Wed, 30 Dec 2020 21:14:14 +0800 Subject: [PATCH 0594/1021] config, session: promise the compatibility of oom-action when upgrading (#22102) --- config/config.go | 7 ++++ session/bootstrap.go | 34 +++++++++++++-- session/bootstrap_test.go | 87 +++++++++++++++++++++++++++++++++++++++ session/session.go | 24 +++++++++++ 4 files changed, 149 insertions(+), 3 deletions(-) diff --git a/config/config.go b/config/config.go index 4f6630da06268..e68fb195ef64f 100644 --- a/config/config.go +++ b/config/config.go @@ -853,6 +853,10 @@ func isAllDeprecatedConfigItems(items []string) bool { // is set by the user. var IsMemoryQuotaQuerySetByUser bool +// IsOOMActionSetByUser indicates whether the config item mem-action is set by +// the user. +var IsOOMActionSetByUser bool + // InitializeConfig initialize the global config handler. // The function enforceCmdArgs is used to merge the config file with command arguments: // For example, if you start TiDB by the command "./tidb-server --port=3000", the port number should be @@ -911,6 +915,9 @@ func (c *Config) Load(confFile string) error { if metaData.IsDefined("mem-quota-query") { IsMemoryQuotaQuerySetByUser = true } + if metaData.IsDefined("oom-action") { + IsOOMActionSetByUser = true + } if len(c.ServerVersion) > 0 { mysql.ServerVersion = c.ServerVersion } diff --git a/session/bootstrap.go b/session/bootstrap.go index e38ec39cd411b..c94d2e2527459 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -368,6 +368,9 @@ const ( // The variable name in mysql.tidb table and it records the default value of // mem-quota-query when upgrade from v3.0.x to v4.0.9+. tidbDefMemoryQuotaQuery = "default_memory_quota_query" + // The variable name in mysql.tidb table and it records the default value of + // oom-action when upgrade from v3.0.x to v4.0.11+. + tidbDefOOMAction = "default_oom_action" // Const for TiDB server version 2. version2 = 2 version3 = 3 @@ -434,7 +437,7 @@ const ( version52 = 52 // version53 introduce Global variable tidb_enable_strict_double_type_check version53 = 53 - // version54 writes a variable `mem_quota_query` to mysql.tidb if it's a cluster upgraded from v3.0.x to v4.0.9. + // version54 writes a variable `mem_quota_query` to mysql.tidb if it's a cluster upgraded from v3.0.x to v4.0.9+. version54 = 54 // version55 fixes the bug that upgradeToVer48 would be missed when upgrading from v4.0 to a new version version55 = 55 @@ -444,9 +447,11 @@ const ( version57 = 57 // version58 add `Repl_client_priv` and `Repl_slave_priv` to `mysql.user` version58 = 58 + // version59 add writes a variable `oom-action` to mysql.tidb if it's a cluster upgraded from v3.0.x to v4.0.11+. + version59 = 59 // please make sure this is the largest version - currentBootstrapVersion = version58 + currentBootstrapVersion = version59 ) var ( @@ -509,6 +514,7 @@ var ( upgradeToVer56, upgradeToVer57, upgradeToVer58, + upgradeToVer59, } ) @@ -1267,13 +1273,35 @@ func upgradeToVer58(s Session, ver int64) { mustExecute(s, "UPDATE HIGH_PRIORITY mysql.user SET Repl_slave_priv='Y',Repl_client_priv='Y'") } +func upgradeToVer59(s Session, ver int64) { + if ver >= version59 { + return + } + // The oom-action default value is log by default in v3.0, and cancel by + // default in v4.0.11+. + // If a cluster is upgraded from v3.0.x (bootstrapVer <= version59) to + // v4.0.11+, we'll write the default value to mysql.tidb. Thus we can get + // the default value of oom-action, and promise the compatibility even if + // the tidb-server restarts. + // If it's a newly deployed cluster, we do not need to write the value into + // mysql.tidb, since no compatibility problem will happen. + writeOOMAction(s) +} + func writeMemoryQuotaQuery(s Session) { - comment := "memory_quota_query is 32GB by default in v3.0.x, 1GB by default in v4.0.x" + comment := "memory_quota_query is 32GB by default in v3.0.x, 1GB by default in v4.0.x+" sql := fmt.Sprintf(`INSERT HIGH_PRIORITY INTO %s.%s VALUES ("%s", '%d', '%s') ON DUPLICATE KEY UPDATE VARIABLE_VALUE='%d'`, mysql.SystemDB, mysql.TiDBTable, tidbDefMemoryQuotaQuery, 32<<30, comment, 32<<30) mustExecute(s, sql) } +func writeOOMAction(s Session) { + comment := "oom-action is `log` by default in v3.0.x, `cancel` by default in v4.0.11+" + sql := fmt.Sprintf(`INSERT HIGH_PRIORITY INTO %s.%s VALUES ("%s", '%s', '%s') ON DUPLICATE KEY UPDATE VARIABLE_VALUE='%s'`, + mysql.SystemDB, mysql.TiDBTable, tidbDefOOMAction, config.OOMActionLog, comment, config.OOMActionLog) + mustExecute(s, sql) +} + // updateBootstrapVer updates bootstrap version variable in mysql.TiDB table. func updateBootstrapVer(s Session) { // Update bootstrap version. diff --git a/session/bootstrap_test.go b/session/bootstrap_test.go index 27f7359920328..75a8b49f947a0 100644 --- a/session/bootstrap_test.go +++ b/session/bootstrap_test.go @@ -20,6 +20,7 @@ import ( . "github.com/pingcap/check" "github.com/pingcap/parser" "github.com/pingcap/parser/auth" + "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/meta" @@ -271,6 +272,92 @@ func (s *testBootstrapSuite) TestUpgrade(c *C) { c.Assert(r.Close(), IsNil) } +func (s *testBootstrapSuite) TestIssue17979_1(c *C) { + oomAction := config.GetGlobalConfig().OOMAction + defer func() { + config.UpdateGlobal(func(conf *config.Config) { + conf.OOMAction = oomAction + }) + }() + ctx := context.Background() + defer testleak.AfterTest(c)() + store, _ := newStoreWithBootstrap(c, s.dbName) + defer store.Close() + + // test issue 20900, upgrade from v3.0 to v4.0.11+ + seV3 := newSession(c, store, s.dbName) + txn, err := store.Begin() + c.Assert(err, IsNil) + m := meta.NewMeta(txn) + err = m.FinishBootstrap(int64(58)) + c.Assert(err, IsNil) + err = txn.Commit(context.Background()) + c.Assert(err, IsNil) + mustExecSQL(c, seV3, "update mysql.tidb set variable_value='58' where variable_name='tidb_server_version'") + mustExecSQL(c, seV3, "delete from mysql.tidb where variable_name='default_oom_action'") + mustExecSQL(c, seV3, "commit") + unsetStoreBootstrapped(store.UUID()) + ver, err := getBootstrapVersion(seV3) + c.Assert(err, IsNil) + c.Assert(ver, Equals, int64(58)) + + domV4, err := BootstrapSession(store) + c.Assert(err, IsNil) + defer domV4.Close() + seV4 := newSession(c, store, s.dbName) + ver, err = getBootstrapVersion(seV4) + c.Assert(err, IsNil) + c.Assert(ver, Equals, int64(currentBootstrapVersion)) + r := mustExecSQL(c, seV4, "select variable_value from mysql.tidb where variable_name='default_oom_action'") + req := r.NewChunk() + r.Next(ctx, req) + c.Assert(req.GetRow(0).GetString(0), Equals, "log") + c.Assert(config.GetGlobalConfig().OOMAction, Equals, config.OOMActionLog) +} + +func (s *testBootstrapSuite) TestIssue17979_2(c *C) { + oomAction := config.GetGlobalConfig().OOMAction + defer func() { + config.UpdateGlobal(func(conf *config.Config) { + conf.OOMAction = oomAction + }) + }() + ctx := context.Background() + defer testleak.AfterTest(c)() + store, _ := newStoreWithBootstrap(c, s.dbName) + defer store.Close() + + // test issue 20900, upgrade from v4.0.11 to v4.0.11 + seV3 := newSession(c, store, s.dbName) + txn, err := store.Begin() + c.Assert(err, IsNil) + m := meta.NewMeta(txn) + err = m.FinishBootstrap(int64(59)) + c.Assert(err, IsNil) + err = txn.Commit(context.Background()) + c.Assert(err, IsNil) + mustExecSQL(c, seV3, "update mysql.tidb set variable_value=59 where variable_name='tidb_server_version'") + mustExecSQL(c, seV3, "delete from mysql.tidb where variable_name='default_iim_action'") + mustExecSQL(c, seV3, "commit") + unsetStoreBootstrapped(store.UUID()) + ver, err := getBootstrapVersion(seV3) + c.Assert(err, IsNil) + c.Assert(ver, Equals, int64(59)) + + domV4, err := BootstrapSession(store) + c.Assert(err, IsNil) + defer domV4.Close() + seV4 := newSession(c, store, s.dbName) + ver, err = getBootstrapVersion(seV4) + c.Assert(err, IsNil) + c.Assert(ver, Equals, int64(currentBootstrapVersion)) + r := mustExecSQL(c, seV4, "select variable_value from mysql.tidb where variable_name='default_oom_action'") + req := r.NewChunk() + r.Next(ctx, req) + c.Assert(req.NumRows(), Equals, 0) + c.Assert(config.GetGlobalConfig().OOMAction, Equals, config.OOMActionCancel) +} + func (s *testBootstrapSuite) TestIssue20900_1(c *C) { ctx := context.Background() defer testleak.AfterTest(c)() diff --git a/session/session.go b/session/session.go index 5e0e14da550d3..e68349518f84a 100644 --- a/session/session.go +++ b/session/session.go @@ -1894,6 +1894,21 @@ func loadDefMemQuotaQuery(se *session) (int64, error) { return 32 << 30, nil } +func loadDefOOMAction(se *session) (string, error) { + defOOMAction, err := loadParameter(se, tidbDefOOMAction) + if err != nil { + if err == errResultIsEmpty { + return config.GetGlobalConfig().OOMAction, nil + } + return config.GetGlobalConfig().OOMAction, err + } + if defOOMAction != config.OOMActionLog { + logutil.BgLogger().Warn("Unexpected value of 'default_oom_action' in 'mysql.tidb', use 'log' instead", + zap.String("value", defOOMAction)) + } + return defOOMAction, nil +} + var ( errResultIsEmpty = dbterror.ClassExecutor.NewStd(errno.ErrResultIsEmpty) ) @@ -1975,6 +1990,15 @@ func BootstrapSession(store kv.Storage) (*domain.Domain, error) { config.StoreGlobalConfig(&newCfg) variable.SetSysVar(variable.TIDBMemQuotaQuery, strconv.FormatInt(newCfg.MemQuotaQuery, 10)) } + newOOMAction, err := loadDefOOMAction(se) + if err != nil { + return nil, err + } + if !config.IsOOMActionSetByUser { + config.UpdateGlobal(func(conf *config.Config) { + conf.OOMAction = newOOMAction + }) + } dom := domain.GetDomain(se) dom.InitExpensiveQueryHandle() From dad3b5e87d21caf29bd7f0c7d968cd410e7a5cdd Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Wed, 30 Dec 2020 22:13:13 +0800 Subject: [PATCH 0595/1021] util: add cache for mem info in container (#22109) --- util/memory/meminfo.go | 81 +++++++++++++++++++++++++++++++++++++++--- 1 file changed, 77 insertions(+), 4 deletions(-) diff --git a/util/memory/meminfo.go b/util/memory/meminfo.go index d08ccec9d4c50..831202d816a35 100644 --- a/util/memory/meminfo.go +++ b/util/memory/meminfo.go @@ -17,6 +17,8 @@ import ( "io/ioutil" "strconv" "strings" + "sync" + "time" "github.com/shirou/gopsutil/mem" ) @@ -29,14 +31,30 @@ var MemUsed func() (uint64, error) // MemTotalNormal returns the total amount of RAM on this system in non-container environment. func MemTotalNormal() (uint64, error) { + total, t := memLimit.get() + if time.Since(t) < 60*time.Second { + return total, nil + } v, err := mem.VirtualMemory() - return v.Total, err + if err != nil { + return v.Total, err + } + memLimit.set(v.Total, time.Now()) + return v.Total, nil } // MemUsedNormal returns the total used amount of RAM on this system in non-container environment. func MemUsedNormal() (uint64, error) { + used, t := memUsage.get() + if time.Since(t) < 500*time.Millisecond { + return used, nil + } v, err := mem.VirtualMemory() - return v.Used, err + if err != nil { + return v.Used, err + } + memUsage.set(v.Used, time.Now()) + return v.Used, nil } const ( @@ -45,14 +63,57 @@ const ( selfCGroupPath = "/proc/self/cgroup" ) +type memInfoCache struct { + *sync.RWMutex + mem uint64 + updateTime time.Time +} + +func (c *memInfoCache) get() (mem uint64, t time.Time) { + c.RLock() + defer c.RUnlock() + mem, t = c.mem, c.updateTime + return +} + +func (c *memInfoCache) set(mem uint64, t time.Time) { + c.Lock() + defer c.Unlock() + c.mem, c.updateTime = mem, t +} + +// expiration time is 60s +var memLimit *memInfoCache + +// expiration time is 500ms +var memUsage *memInfoCache + // MemTotalCGroup returns the total amount of RAM on this system in container environment. func MemTotalCGroup() (uint64, error) { - return readUint(cGroupMemLimitPath) + mem, t := memLimit.get() + if time.Since(t) < 60*time.Second { + return mem, nil + } + mem, err := readUint(cGroupMemLimitPath) + if err != nil { + return mem, err + } + memLimit.set(mem, time.Now()) + return mem, nil } // MemUsedCGroup returns the total used amount of RAM on this system in container environment. func MemUsedCGroup() (uint64, error) { - return readUint(cGroupMemUsagePath) + mem, t := memUsage.get() + if time.Since(t) < 500*time.Millisecond { + return mem, nil + } + mem, err := readUint(cGroupMemUsagePath) + if err != nil { + return mem, err + } + memUsage.set(mem, time.Now()) + return mem, nil } func init() { @@ -63,6 +124,18 @@ func init() { MemTotal = MemTotalNormal MemUsed = MemUsedNormal } + memLimit = &memInfoCache{ + RWMutex: &sync.RWMutex{}, + } + memUsage = &memInfoCache{ + RWMutex: &sync.RWMutex{}, + } + _, err := MemTotal() + if err != nil { + } + _, err = MemUsed() + if err != nil { + } } func inContainer() bool { From f1805f3deebd41e0806f2931a2183bef09281a7f Mon Sep 17 00:00:00 2001 From: HuaiyuXu <391585975@qq.com> Date: Thu, 31 Dec 2020 13:39:49 +0800 Subject: [PATCH 0596/1021] planner: avoid using index_merge when there are multiple table filters (#22122) --- planner/core/integration_test.go | 48 ++++++++++++++++--- planner/core/stats.go | 10 ++++ .../core/testdata/integration_suite_in.json | 6 +++ .../core/testdata/integration_suite_out.json | 15 ++++++ 4 files changed, 72 insertions(+), 7 deletions(-) diff --git a/planner/core/integration_test.go b/planner/core/integration_test.go index c36cf1d6377c6..255edbe26d76f 100644 --- a/planner/core/integration_test.go +++ b/planner/core/integration_test.go @@ -1429,13 +1429,10 @@ func (s *testIntegrationSerialSuite) TestIndexMerge(c *C) { tk.MustQuery("show warnings").Check(testkit.Rows()) tk.MustQuery("desc select /*+ use_index_merge(t) */ * from t where (a=1 and length(b)=1) or (b=1 and length(a)=1)").Check(testkit.Rows( - "Projection_4 1.60 root test.t.a, test.t.b", - "└─IndexMerge_9 1.60 root ", - " ├─IndexRangeScan_5(Build) 1.00 cop[tikv] table:t, index:a(a) range:[1,1], keep order:false, stats:pseudo", - " ├─IndexRangeScan_6(Build) 1.00 cop[tikv] table:t, index:b(b) range:[1,1], keep order:false, stats:pseudo", - " └─Selection_8(Probe) 1.60 cop[tikv] eq(length(cast(test.t.a)), 1), eq(length(cast(test.t.b)), 1)", - " └─TableRowIDScan_7 2.00 cop[tikv] table:t keep order:false, stats:pseudo")) - tk.MustQuery("show warnings").Check(testkit.Rows()) + "TableReader_7 1.60 root data:Selection_6", + "└─Selection_6 1.60 cop[tikv] or(and(eq(test.t.a, 1), eq(length(cast(test.t.b)), 1)), and(eq(test.t.b, 1), eq(length(cast(test.t.a)), 1)))", + " └─TableFullScan_5 10000.00 cop[tikv] table:t keep order:false, stats:pseudo")) + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 IndexMerge is inapplicable or disabled")) } func (s *testIntegrationSerialSuite) TestIssue16407(c *C) { @@ -2358,3 +2355,40 @@ func (s *testIntegrationSuite) TestIssue22040(c *C) { c.Assert(errors.Cause(err), FitsTypeOf, expression.ErrOperandColumns) } } + +func (s *testIntegrationSuite) TestIssue22105(c *C) { + tk := testkit.NewTestKit(c, s.store) + + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec(`CREATE TABLE t1 ( + key1 int(11) NOT NULL, + key2 int(11) NOT NULL, + key3 int(11) NOT NULL, + key4 int(11) NOT NULL, + key5 int(11) DEFAULT NULL, + key6 int(11) DEFAULT NULL, + key7 int(11) NOT NULL, + key8 int(11) NOT NULL, + KEY i1 (key1), + KEY i2 (key2), + KEY i3 (key3), + KEY i4 (key4), + KEY i5 (key5), + KEY i6 (key6) +) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin`) + + var input []string + var output []struct { + SQL string + Plan []string + } + s.testData.GetTestCases(c, &input, &output) + for i, tt := range input { + s.testData.OnRecord(func() { + output[i].SQL = tt + output[i].Plan = s.testData.ConvertRowsToStrings(tk.MustQuery(tt).Rows()) + }) + tk.MustQuery(tt).Check(testkit.Rows(output[i].Plan...)) + } +} diff --git a/planner/core/stats.go b/planner/core/stats.go index 1e77480b8fe8e..ebe7e4f046417 100644 --- a/planner/core/stats.go +++ b/planner/core/stats.go @@ -426,6 +426,9 @@ func (ds *DataSource) generateIndexMergeOrPaths() { } if len(partialPaths) > 1 { possiblePath := ds.buildIndexMergeOrPath(partialPaths, i) + if possiblePath == nil { + return + } accessConds := make([]expression.Expression, 0, len(partialPaths)) for _, p := range partialPaths { @@ -554,8 +557,15 @@ func (ds *DataSource) buildIndexMergeOrPath(partialPaths []*util.AccessPath, cur indexMergePath := &util.AccessPath{PartialIndexPaths: partialPaths} indexMergePath.TableFilters = append(indexMergePath.TableFilters, ds.pushedDownConds[:current]...) indexMergePath.TableFilters = append(indexMergePath.TableFilters, ds.pushedDownConds[current+1:]...) + tableFilterCnt := 0 for _, path := range partialPaths { + // IndexMerge should not be used when the SQL is like 'select x from t WHERE (key1=1 AND key2=2) OR (key1=4 AND key3=6);'. + // Check issue https://github.com/pingcap/tidb/issues/22105 for details. if len(path.TableFilters) > 0 { + tableFilterCnt++ + if tableFilterCnt > 1 { + return nil + } indexMergePath.TableFilters = append(indexMergePath.TableFilters, path.TableFilters...) } } diff --git a/planner/core/testdata/integration_suite_in.json b/planner/core/testdata/integration_suite_in.json index 4525e01818612..c01d844bc2a0c 100644 --- a/planner/core/testdata/integration_suite_in.json +++ b/planner/core/testdata/integration_suite_in.json @@ -242,5 +242,11 @@ "explain select * from t2 where a >= 2.5 and a <= 2.5 order by b limit 2", "explain select * from t3 where a >= 'a' and a <= 'a' and b = 'b' and c > 'c'" ] + }, + { + "name": "TestIssue22105", + "cases": [ + "explain SELECT /*+ use_index_merge(t1)*/ COUNT(*) FROM t1 WHERE (key4=42 AND key6 IS NOT NULL) OR (key1=4 AND key3=6)" + ] } ] diff --git a/planner/core/testdata/integration_suite_out.json b/planner/core/testdata/integration_suite_out.json index 016af2817a3dc..e7388c9e58140 100644 --- a/planner/core/testdata/integration_suite_out.json +++ b/planner/core/testdata/integration_suite_out.json @@ -1348,5 +1348,20 @@ ] } ] + }, + { + "Name": "TestIssue22105", + "Cases": [ + { + "SQL": "explain SELECT /*+ use_index_merge(t1)*/ COUNT(*) FROM t1 WHERE (key4=42 AND key6 IS NOT NULL) OR (key1=4 AND key3=6)", + "Plan": [ + "StreamAgg_20 1.00 root funcs:count(Column#12)->Column#10", + "└─TableReader_21 1.00 root data:StreamAgg_9", + " └─StreamAgg_9 1.00 cop[tikv] funcs:count(1)->Column#12", + " └─Selection_19 10.00 cop[tikv] or(and(eq(test.t1.key4, 42), not(isnull(test.t1.key6))), and(eq(test.t1.key1, 4), eq(test.t1.key3, 6)))", + " └─TableFullScan_18 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + ] + } + ] } ] From 857e3da6ebc17d1c17e4f150fa21c6c474456f1a Mon Sep 17 00:00:00 2001 From: Yiding Cui Date: Thu, 31 Dec 2020 14:51:14 +0800 Subject: [PATCH 0597/1021] planner: join reorder should not change the order of output columns (#16852) --- cmd/explaintest/r/explain_complex.result | 25 +- cmd/explaintest/r/explain_easy.result | 16 +- cmd/explaintest/r/explain_join_stats.result | 16 +- cmd/explaintest/r/generated_columns.result | 16 +- cmd/explaintest/r/index_join.result | 16 +- cmd/explaintest/r/tpch.result | 562 +++++++++--------- planner/core/rule_join_reorder.go | 16 + planner/core/testdata/analyze_suite_out.json | 16 +- .../integration_serial_suite_out.json | 268 ++++----- .../core/testdata/integration_suite_out.json | 36 +- .../core/testdata/partition_pruner_out.json | 212 +++---- .../testdata/plan_suite_unexported_out.json | 8 +- planner/core/testdata/point_get_plan_out.json | 10 +- 13 files changed, 621 insertions(+), 596 deletions(-) diff --git a/cmd/explaintest/r/explain_complex.result b/cmd/explaintest/r/explain_complex.result index c6e48c1b1d832..ecf514b459405 100644 --- a/cmd/explaintest/r/explain_complex.result +++ b/cmd/explaintest/r/explain_complex.result @@ -115,18 +115,19 @@ Projection_7 53.00 root test.dt.ds, test.dt.p1, test.dt.p2, test.dt.p3, test.dt └─TableRowIDScan_14 2650.00 cop[tikv] table:dt keep order:false, stats:pseudo explain select gad.id as gid,sdk.id as sid,gad.aid as aid,gad.cm as cm,sdk.dic as dic,sdk.ip as ip, sdk.t as t, gad.p1 as p1, gad.p2 as p2, gad.p3 as p3, gad.p4 as p4, gad.p5 as p5, gad.p6_md5 as p6, gad.p7_md5 as p7, gad.ext as ext, gad.t as gtime from st gad join (select id, aid, pt, dic, ip, t from dd where pt = 'android' and bm = 0 and t > 1478143908) sdk on gad.aid = sdk.aid and gad.ip = sdk.ip and sdk.t > gad.t where gad.t > 1478143908 and gad.pt = 'android' group by gad.aid, sdk.dic limit 2500; id estRows task access object operator info -Projection_13 1.00 root test.st.id, test.dd.id, test.st.aid, test.st.cm, test.dd.dic, test.dd.ip, test.dd.t, test.st.p1, test.st.p2, test.st.p3, test.st.p4, test.st.p5, test.st.p6_md5, test.st.p7_md5, test.st.ext, test.st.t -└─Limit_16 1.00 root offset:0, count:2500 - └─HashAgg_17 1.00 root group by:test.dd.dic, test.st.aid, funcs:firstrow(test.st.id)->test.st.id, funcs:firstrow(test.st.aid)->test.st.aid, funcs:firstrow(test.st.cm)->test.st.cm, funcs:firstrow(test.st.p1)->test.st.p1, funcs:firstrow(test.st.p2)->test.st.p2, funcs:firstrow(test.st.p3)->test.st.p3, funcs:firstrow(test.st.p4)->test.st.p4, funcs:firstrow(test.st.p5)->test.st.p5, funcs:firstrow(test.st.p6_md5)->test.st.p6_md5, funcs:firstrow(test.st.p7_md5)->test.st.p7_md5, funcs:firstrow(test.st.ext)->test.st.ext, funcs:firstrow(test.st.t)->test.st.t, funcs:firstrow(test.dd.id)->test.dd.id, funcs:firstrow(test.dd.dic)->test.dd.dic, funcs:firstrow(test.dd.ip)->test.dd.ip, funcs:firstrow(test.dd.t)->test.dd.t - └─HashJoin_31 0.00 root inner join, equal:[eq(test.dd.aid, test.st.aid) eq(test.dd.ip, test.st.ip)], other cond:gt(test.dd.t, test.st.t) - ├─IndexLookUp_49(Build) 0.00 root - │ ├─IndexRangeScan_46(Build) 3333.33 cop[tikv] table:dd, index:t(t) range:(1478143908,+inf], keep order:false, stats:pseudo - │ └─Selection_48(Probe) 0.00 cop[tikv] eq(test.dd.bm, 0), eq(test.dd.pt, "android"), not(isnull(test.dd.ip)) - │ └─TableRowIDScan_47 3333.33 cop[tikv] table:dd keep order:false, stats:pseudo - └─IndexLookUp_38(Probe) 3.33 root - ├─IndexRangeScan_35(Build) 3333.33 cop[tikv] table:gad, index:t(t) range:(1478143908,+inf], keep order:false, stats:pseudo - └─Selection_37(Probe) 3.33 cop[tikv] eq(test.st.pt, "android"), not(isnull(test.st.ip)) - └─TableRowIDScan_36 3333.33 cop[tikv] table:gad keep order:false, stats:pseudo +Projection_14 1.00 root test.st.id, test.dd.id, test.st.aid, test.st.cm, test.dd.dic, test.dd.ip, test.dd.t, test.st.p1, test.st.p2, test.st.p3, test.st.p4, test.st.p5, test.st.p6_md5, test.st.p7_md5, test.st.ext, test.st.t +└─Limit_17 1.00 root offset:0, count:2500 + └─HashAgg_18 1.00 root group by:test.dd.dic, test.st.aid, funcs:firstrow(test.st.id)->test.st.id, funcs:firstrow(test.st.aid)->test.st.aid, funcs:firstrow(test.st.cm)->test.st.cm, funcs:firstrow(test.st.p1)->test.st.p1, funcs:firstrow(test.st.p2)->test.st.p2, funcs:firstrow(test.st.p3)->test.st.p3, funcs:firstrow(test.st.p4)->test.st.p4, funcs:firstrow(test.st.p5)->test.st.p5, funcs:firstrow(test.st.p6_md5)->test.st.p6_md5, funcs:firstrow(test.st.p7_md5)->test.st.p7_md5, funcs:firstrow(test.st.ext)->test.st.ext, funcs:firstrow(test.st.t)->test.st.t, funcs:firstrow(test.dd.id)->test.dd.id, funcs:firstrow(test.dd.dic)->test.dd.dic, funcs:firstrow(test.dd.ip)->test.dd.ip, funcs:firstrow(test.dd.t)->test.dd.t + └─Projection_19 0.00 root test.st.id, test.st.aid, test.st.cm, test.st.p1, test.st.p2, test.st.p3, test.st.p4, test.st.p5, test.st.p6_md5, test.st.p7_md5, test.st.ext, test.st.t, test.dd.id, test.dd.dic, test.dd.ip, test.dd.t + └─HashJoin_33 0.00 root inner join, equal:[eq(test.dd.aid, test.st.aid) eq(test.dd.ip, test.st.ip)], other cond:gt(test.dd.t, test.st.t) + ├─IndexLookUp_51(Build) 0.00 root + │ ├─IndexRangeScan_48(Build) 3333.33 cop[tikv] table:dd, index:t(t) range:(1478143908,+inf], keep order:false, stats:pseudo + │ └─Selection_50(Probe) 0.00 cop[tikv] eq(test.dd.bm, 0), eq(test.dd.pt, "android"), not(isnull(test.dd.ip)) + │ └─TableRowIDScan_49 3333.33 cop[tikv] table:dd keep order:false, stats:pseudo + └─IndexLookUp_40(Probe) 3.33 root + ├─IndexRangeScan_37(Build) 3333.33 cop[tikv] table:gad, index:t(t) range:(1478143908,+inf], keep order:false, stats:pseudo + └─Selection_39(Probe) 3.33 cop[tikv] eq(test.st.pt, "android"), not(isnull(test.st.ip)) + └─TableRowIDScan_38 3333.33 cop[tikv] table:gad keep order:false, stats:pseudo explain select gad.id as gid,sdk.id as sid,gad.aid as aid,gad.cm as cm,sdk.dic as dic,sdk.ip as ip, sdk.t as t, gad.p1 as p1, gad.p2 as p2, gad.p3 as p3, gad.p4 as p4, gad.p5 as p5, gad.p6_md5 as p6, gad.p7_md5 as p7, gad.ext as ext from st gad join dd sdk on gad.aid = sdk.aid and gad.dic = sdk.mac and gad.t < sdk.t where gad.t > 1477971479 and gad.bm = 0 and gad.pt = 'ios' and gad.dit = 'mac' and sdk.t > 1477971479 and sdk.bm = 0 and sdk.pt = 'ios' limit 3000; id estRows task access object operator info Projection_10 0.00 root test.st.id, test.dd.id, test.st.aid, test.st.cm, test.dd.dic, test.dd.ip, test.dd.t, test.st.p1, test.st.p2, test.st.p3, test.st.p4, test.st.p5, test.st.p6_md5, test.st.p7_md5, test.st.ext diff --git a/cmd/explaintest/r/explain_easy.result b/cmd/explaintest/r/explain_easy.result index 5f3717ce25c79..a09eb8f220456 100644 --- a/cmd/explaintest/r/explain_easy.result +++ b/cmd/explaintest/r/explain_easy.result @@ -431,14 +431,14 @@ id estRows task access object operator info TableDual_5 8000.00 root rows:0 explain select * from t t1 join t t2 where t1.b = t2.b and t2.b is null; id estRows task access object operator info -Projection_7 0.00 root test.t.a, test.t.b, test.t.a, test.t.b -└─HashJoin_9 0.00 root inner join, equal:[eq(test.t.b, test.t.b)] - ├─TableReader_12(Build) 0.00 root data:Selection_11 - │ └─Selection_11 0.00 cop[tikv] isnull(test.t.b), not(isnull(test.t.b)) - │ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo - └─TableReader_18(Probe) 9990.00 root data:Selection_17 - └─Selection_17 9990.00 cop[tikv] not(isnull(test.t.b)) - └─TableFullScan_16 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo +Projection_9 0.00 root test.t.a, test.t.b, test.t.a, test.t.b +└─HashJoin_11 0.00 root inner join, equal:[eq(test.t.b, test.t.b)] + ├─TableReader_14(Build) 0.00 root data:Selection_13 + │ └─Selection_13 0.00 cop[tikv] isnull(test.t.b), not(isnull(test.t.b)) + │ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo + └─TableReader_20(Probe) 9990.00 root data:Selection_19 + └─Selection_19 9990.00 cop[tikv] not(isnull(test.t.b)) + └─TableFullScan_18 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo explain select * from t t1 where not exists (select * from t t2 where t1.b = t2.b); id estRows task access object operator info HashJoin_9 8000.00 root anti semi join, equal:[eq(test.t.b, test.t.b)] diff --git a/cmd/explaintest/r/explain_join_stats.result b/cmd/explaintest/r/explain_join_stats.result index 220bc1ffbaa62..9adcde39268fb 100644 --- a/cmd/explaintest/r/explain_join_stats.result +++ b/cmd/explaintest/r/explain_join_stats.result @@ -6,14 +6,14 @@ create table lo(a int(11) NOT NULL AUTO_INCREMENT, PRIMARY KEY (a)) ENGINE=InnoD load stats 's/explain_join_stats_lo.json'; explain select count(*) from e, lo where lo.a=e.a and e.b=22336; id estRows task access object operator info -StreamAgg_10 1.00 root funcs:count(1)->Column#5 -└─HashJoin_86 19977.00 root inner join, equal:[eq(test.lo.a, test.e.a)] - ├─TableReader_47(Build) 250.00 root data:TableFullScan_46 - │ └─TableFullScan_46 250.00 cop[tikv] table:lo keep order:false - └─IndexLookUp_58(Probe) 19977.00 root - ├─IndexRangeScan_55(Build) 19977.00 cop[tikv] table:e, index:idx_b(b) range:[22336,22336], keep order:false - └─Selection_57(Probe) 19977.00 cop[tikv] not(isnull(test.e.a)) - └─TableRowIDScan_56 19977.00 cop[tikv] table:e keep order:false +StreamAgg_11 1.00 root funcs:count(1)->Column#5 +└─HashJoin_89 19977.00 root inner join, equal:[eq(test.lo.a, test.e.a)] + ├─TableReader_49(Build) 250.00 root data:TableFullScan_48 + │ └─TableFullScan_48 250.00 cop[tikv] table:lo keep order:false + └─IndexLookUp_60(Probe) 19977.00 root + ├─IndexRangeScan_57(Build) 19977.00 cop[tikv] table:e, index:idx_b(b) range:[22336,22336], keep order:false + └─Selection_59(Probe) 19977.00 cop[tikv] not(isnull(test.e.a)) + └─TableRowIDScan_58 19977.00 cop[tikv] table:e keep order:false explain select /*+ TIDB_INLJ(e) */ count(*) from e, lo where lo.a=e.a and e.b=22336; id estRows task access object operator info StreamAgg_9 1.00 root funcs:count(1)->Column#5 diff --git a/cmd/explaintest/r/generated_columns.result b/cmd/explaintest/r/generated_columns.result index 77585086bb35b..6e38b46d65c35 100644 --- a/cmd/explaintest/r/generated_columns.result +++ b/cmd/explaintest/r/generated_columns.result @@ -82,14 +82,14 @@ IndexJoin_26 5.00 root inner join, inner:IndexLookUp_25, outer key:test.sgc2.a, └─TableRowIDScan_23(Probe) 5.00 cop[tikv] table:sgc1 keep order:false EXPLAIN SELECT * from sgc1 join sgc2 on sgc1.a=sgc2.a; id estRows task access object operator info -Projection_6 5.00 root test.sgc1.j1, test.sgc1.j2, test.sgc1.a, test.sgc1.b, test.sgc2.j1, test.sgc2.j2, test.sgc2.a, test.sgc2.b -└─HashJoin_38 5.00 root inner join, equal:[eq(test.sgc2.a, test.sgc1.a)] - ├─TableReader_57(Build) 1.00 root data:Selection_56 - │ └─Selection_56 1.00 cop[tikv] not(isnull(test.sgc2.a)) - │ └─TableFullScan_55 1.00 cop[tikv] table:sgc2 keep order:false - └─TableReader_66(Probe) 5.00 root data:Selection_65 - └─Selection_65 5.00 cop[tikv] not(isnull(test.sgc1.a)) - └─TableFullScan_64 5.00 cop[tikv] table:sgc1 keep order:false +Projection_8 5.00 root test.sgc1.j1, test.sgc1.j2, test.sgc1.a, test.sgc1.b, test.sgc2.j1, test.sgc2.j2, test.sgc2.a, test.sgc2.b +└─HashJoin_40 5.00 root inner join, equal:[eq(test.sgc2.a, test.sgc1.a)] + ├─TableReader_59(Build) 1.00 root data:Selection_58 + │ └─Selection_58 1.00 cop[tikv] not(isnull(test.sgc2.a)) + │ └─TableFullScan_57 1.00 cop[tikv] table:sgc2 keep order:false + └─TableReader_68(Probe) 5.00 root data:Selection_67 + └─Selection_67 5.00 cop[tikv] not(isnull(test.sgc1.a)) + └─TableFullScan_66 5.00 cop[tikv] table:sgc1 keep order:false DROP TABLE IF EXISTS sgc3; CREATE TABLE sgc3 ( j JSON, diff --git a/cmd/explaintest/r/index_join.result b/cmd/explaintest/r/index_join.result index 418d5b7e6fb98..1e8bf6fae7985 100644 --- a/cmd/explaintest/r/index_join.result +++ b/cmd/explaintest/r/index_join.result @@ -18,14 +18,14 @@ IndexJoin_25 5.00 root inner join, inner:IndexLookUp_24, outer key:test.t2.a, i └─TableRowIDScan_22(Probe) 5.00 cop[tikv] table:t1 keep order:false explain select * from t1 join t2 on t1.a=t2.a; id estRows task access object operator info -Projection_6 5.00 root test.t1.a, test.t1.b, test.t2.a, test.t2.b -└─HashJoin_37 5.00 root inner join, equal:[eq(test.t2.a, test.t1.a)] - ├─TableReader_48(Build) 1.00 root data:Selection_47 - │ └─Selection_47 1.00 cop[tikv] not(isnull(test.t2.a)) - │ └─TableFullScan_46 1.00 cop[tikv] table:t2 keep order:false - └─TableReader_54(Probe) 5.00 root data:Selection_53 - └─Selection_53 5.00 cop[tikv] not(isnull(test.t1.a)) - └─TableFullScan_52 5.00 cop[tikv] table:t1 keep order:false +Projection_8 5.00 root test.t1.a, test.t1.b, test.t2.a, test.t2.b +└─HashJoin_39 5.00 root inner join, equal:[eq(test.t2.a, test.t1.a)] + ├─TableReader_50(Build) 1.00 root data:Selection_49 + │ └─Selection_49 1.00 cop[tikv] not(isnull(test.t2.a)) + │ └─TableFullScan_48 1.00 cop[tikv] table:t2 keep order:false + └─TableReader_56(Probe) 5.00 root data:Selection_55 + └─Selection_55 5.00 cop[tikv] not(isnull(test.t1.a)) + └─TableFullScan_54 5.00 cop[tikv] table:t1 keep order:false drop table if exists t1, t2; create table t1(a int not null, b int not null); create table t2(a int not null, b int not null, key a(a)); diff --git a/cmd/explaintest/r/tpch.result b/cmd/explaintest/r/tpch.result index b262f10d827d9..dc128cda72392 100644 --- a/cmd/explaintest/r/tpch.result +++ b/cmd/explaintest/r/tpch.result @@ -182,39 +182,40 @@ s_name, p_partkey limit 100; id estRows task access object operator info -Projection_37 100.00 root tpch.supplier.s_acctbal, tpch.supplier.s_name, tpch.nation.n_name, tpch.part.p_partkey, tpch.part.p_mfgr, tpch.supplier.s_address, tpch.supplier.s_phone, tpch.supplier.s_comment -└─TopN_40 100.00 root tpch.supplier.s_acctbal:desc, tpch.nation.n_name, tpch.supplier.s_name, tpch.part.p_partkey, offset:0, count:100 - └─HashJoin_45 155496.00 root inner join, equal:[eq(tpch.part.p_partkey, tpch.partsupp.ps_partkey) eq(tpch.partsupp.ps_supplycost, Column#50)] - ├─HashJoin_58(Build) 155496.00 root inner join, equal:[eq(tpch.partsupp.ps_partkey, tpch.part.p_partkey)] - │ ├─TableReader_88(Build) 155496.00 root data:Selection_87 - │ │ └─Selection_87 155496.00 cop[tikv] eq(tpch.part.p_size, 30), like(tpch.part.p_type, "%STEEL", 92) - │ │ └─TableFullScan_86 10000000.00 cop[tikv] table:part keep order:false - │ └─HashJoin_61(Probe) 8155010.44 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.partsupp.ps_suppkey)] - │ ├─HashJoin_63(Build) 100000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ │ ├─HashJoin_76(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] - │ │ │ ├─TableReader_81(Build) 1.00 root data:Selection_80 - │ │ │ │ └─Selection_80 1.00 cop[tikv] eq(tpch.region.r_name, "ASIA") - │ │ │ │ └─TableFullScan_79 5.00 cop[tikv] table:region keep order:false - │ │ │ └─TableReader_78(Probe) 25.00 root data:TableFullScan_77 - │ │ │ └─TableFullScan_77 25.00 cop[tikv] table:nation keep order:false - │ │ └─TableReader_83(Probe) 500000.00 root data:TableFullScan_82 - │ │ └─TableFullScan_82 500000.00 cop[tikv] table:supplier keep order:false - │ └─TableReader_85(Probe) 40000000.00 root data:TableFullScan_84 - │ └─TableFullScan_84 40000000.00 cop[tikv] table:partsupp keep order:false - └─Selection_89(Probe) 6524008.35 root not(isnull(Column#50)) - └─HashAgg_90 8155010.44 root group by:tpch.partsupp.ps_partkey, funcs:min(tpch.partsupp.ps_supplycost)->Column#50, funcs:firstrow(tpch.partsupp.ps_partkey)->tpch.partsupp.ps_partkey - └─HashJoin_93 8155010.44 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.partsupp.ps_suppkey)] - ├─HashJoin_95(Build) 100000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ ├─HashJoin_108(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] - │ │ ├─TableReader_113(Build) 1.00 root data:Selection_112 - │ │ │ └─Selection_112 1.00 cop[tikv] eq(tpch.region.r_name, "ASIA") - │ │ │ └─TableFullScan_111 5.00 cop[tikv] table:region keep order:false - │ │ └─TableReader_110(Probe) 25.00 root data:TableFullScan_109 - │ │ └─TableFullScan_109 25.00 cop[tikv] table:nation keep order:false - │ └─TableReader_115(Probe) 500000.00 root data:TableFullScan_114 - │ └─TableFullScan_114 500000.00 cop[tikv] table:supplier keep order:false - └─TableReader_117(Probe) 40000000.00 root data:TableFullScan_116 - └─TableFullScan_116 40000000.00 cop[tikv] table:partsupp keep order:false +Projection_39 100.00 root tpch.supplier.s_acctbal, tpch.supplier.s_name, tpch.nation.n_name, tpch.part.p_partkey, tpch.part.p_mfgr, tpch.supplier.s_address, tpch.supplier.s_phone, tpch.supplier.s_comment +└─TopN_42 100.00 root tpch.supplier.s_acctbal:desc, tpch.nation.n_name, tpch.supplier.s_name, tpch.part.p_partkey, offset:0, count:100 + └─Projection_46 155496.00 root tpch.part.p_partkey, tpch.part.p_mfgr, tpch.supplier.s_name, tpch.supplier.s_address, tpch.supplier.s_phone, tpch.supplier.s_acctbal, tpch.supplier.s_comment, tpch.nation.n_name + └─HashJoin_48 155496.00 root inner join, equal:[eq(tpch.part.p_partkey, tpch.partsupp.ps_partkey) eq(tpch.partsupp.ps_supplycost, Column#50)] + ├─HashJoin_61(Build) 155496.00 root inner join, equal:[eq(tpch.partsupp.ps_partkey, tpch.part.p_partkey)] + │ ├─TableReader_91(Build) 155496.00 root data:Selection_90 + │ │ └─Selection_90 155496.00 cop[tikv] eq(tpch.part.p_size, 30), like(tpch.part.p_type, "%STEEL", 92) + │ │ └─TableFullScan_89 10000000.00 cop[tikv] table:part keep order:false + │ └─HashJoin_64(Probe) 8155010.44 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.partsupp.ps_suppkey)] + │ ├─HashJoin_66(Build) 100000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ │ ├─HashJoin_79(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] + │ │ │ ├─TableReader_84(Build) 1.00 root data:Selection_83 + │ │ │ │ └─Selection_83 1.00 cop[tikv] eq(tpch.region.r_name, "ASIA") + │ │ │ │ └─TableFullScan_82 5.00 cop[tikv] table:region keep order:false + │ │ │ └─TableReader_81(Probe) 25.00 root data:TableFullScan_80 + │ │ │ └─TableFullScan_80 25.00 cop[tikv] table:nation keep order:false + │ │ └─TableReader_86(Probe) 500000.00 root data:TableFullScan_85 + │ │ └─TableFullScan_85 500000.00 cop[tikv] table:supplier keep order:false + │ └─TableReader_88(Probe) 40000000.00 root data:TableFullScan_87 + │ └─TableFullScan_87 40000000.00 cop[tikv] table:partsupp keep order:false + └─Selection_92(Probe) 6524008.35 root not(isnull(Column#50)) + └─HashAgg_93 8155010.44 root group by:tpch.partsupp.ps_partkey, funcs:min(tpch.partsupp.ps_supplycost)->Column#50, funcs:firstrow(tpch.partsupp.ps_partkey)->tpch.partsupp.ps_partkey + └─HashJoin_97 8155010.44 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.partsupp.ps_suppkey)] + ├─HashJoin_99(Build) 100000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ ├─HashJoin_112(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] + │ │ ├─TableReader_117(Build) 1.00 root data:Selection_116 + │ │ │ └─Selection_116 1.00 cop[tikv] eq(tpch.region.r_name, "ASIA") + │ │ │ └─TableFullScan_115 5.00 cop[tikv] table:region keep order:false + │ │ └─TableReader_114(Probe) 25.00 root data:TableFullScan_113 + │ │ └─TableFullScan_113 25.00 cop[tikv] table:nation keep order:false + │ └─TableReader_119(Probe) 500000.00 root data:TableFullScan_118 + │ └─TableFullScan_118 500000.00 cop[tikv] table:supplier keep order:false + └─TableReader_121(Probe) 40000000.00 root data:TableFullScan_120 + └─TableFullScan_120 40000000.00 cop[tikv] table:partsupp keep order:false /* Q3 Shipping Priority Query This query retrieves the 10 unshipped orders with the highest value. @@ -342,29 +343,30 @@ n_name order by revenue desc; id estRows task access object operator info -Sort_23 5.00 root Column#49:desc -└─Projection_25 5.00 root tpch.nation.n_name, Column#49 - └─HashAgg_26 5.00 root group by:Column#52, funcs:sum(Column#50)->Column#49, funcs:firstrow(Column#51)->tpch.nation.n_name - └─Projection_83 11822812.50 root mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#50, tpch.nation.n_name, tpch.nation.n_name - └─HashJoin_35 11822812.50 root inner join, equal:[eq(tpch.supplier.s_nationkey, tpch.customer.c_nationkey) eq(tpch.orders.o_custkey, tpch.customer.c_custkey)] - ├─TableReader_81(Build) 7500000.00 root data:TableFullScan_80 - │ └─TableFullScan_80 7500000.00 cop[tikv] table:customer keep order:false - └─HashJoin_49(Probe) 11822812.50 root inner join, equal:[eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)] - ├─TableReader_79(Build) 11822812.50 root data:Selection_78 - │ └─Selection_78 11822812.50 cop[tikv] ge(tpch.orders.o_orderdate, 1994-01-01 00:00:00.000000), lt(tpch.orders.o_orderdate, 1995-01-01) - │ └─TableFullScan_77 75000000.00 cop[tikv] table:orders keep order:false - └─HashJoin_52(Probe) 61163763.01 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] - ├─HashJoin_54(Build) 100000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ ├─HashJoin_67(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] - │ │ ├─TableReader_72(Build) 1.00 root data:Selection_71 - │ │ │ └─Selection_71 1.00 cop[tikv] eq(tpch.region.r_name, "MIDDLE EAST") - │ │ │ └─TableFullScan_70 5.00 cop[tikv] table:region keep order:false - │ │ └─TableReader_69(Probe) 25.00 root data:TableFullScan_68 - │ │ └─TableFullScan_68 25.00 cop[tikv] table:nation keep order:false - │ └─TableReader_74(Probe) 500000.00 root data:TableFullScan_73 - │ └─TableFullScan_73 500000.00 cop[tikv] table:supplier keep order:false - └─TableReader_76(Probe) 300005811.00 root data:TableFullScan_75 - └─TableFullScan_75 300005811.00 cop[tikv] table:lineitem keep order:false +Sort_24 5.00 root Column#49:desc +└─Projection_26 5.00 root tpch.nation.n_name, Column#49 + └─HashAgg_27 5.00 root group by:Column#52, funcs:sum(Column#50)->Column#49, funcs:firstrow(Column#51)->tpch.nation.n_name + └─Projection_85 11822812.50 root mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#50, tpch.nation.n_name, tpch.nation.n_name + └─Projection_28 11822812.50 root tpch.lineitem.l_extendedprice, tpch.lineitem.l_discount, tpch.nation.n_name + └─HashJoin_37 11822812.50 root inner join, equal:[eq(tpch.supplier.s_nationkey, tpch.customer.c_nationkey) eq(tpch.orders.o_custkey, tpch.customer.c_custkey)] + ├─TableReader_83(Build) 7500000.00 root data:TableFullScan_82 + │ └─TableFullScan_82 7500000.00 cop[tikv] table:customer keep order:false + └─HashJoin_51(Probe) 11822812.50 root inner join, equal:[eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)] + ├─TableReader_81(Build) 11822812.50 root data:Selection_80 + │ └─Selection_80 11822812.50 cop[tikv] ge(tpch.orders.o_orderdate, 1994-01-01 00:00:00.000000), lt(tpch.orders.o_orderdate, 1995-01-01) + │ └─TableFullScan_79 75000000.00 cop[tikv] table:orders keep order:false + └─HashJoin_54(Probe) 61163763.01 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] + ├─HashJoin_56(Build) 100000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ ├─HashJoin_69(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] + │ │ ├─TableReader_74(Build) 1.00 root data:Selection_73 + │ │ │ └─Selection_73 1.00 cop[tikv] eq(tpch.region.r_name, "MIDDLE EAST") + │ │ │ └─TableFullScan_72 5.00 cop[tikv] table:region keep order:false + │ │ └─TableReader_71(Probe) 25.00 root data:TableFullScan_70 + │ │ └─TableFullScan_70 25.00 cop[tikv] table:nation keep order:false + │ └─TableReader_76(Probe) 500000.00 root data:TableFullScan_75 + │ └─TableFullScan_75 500000.00 cop[tikv] table:supplier keep order:false + └─TableReader_78(Probe) 300005811.00 root data:TableFullScan_77 + └─TableFullScan_77 300005811.00 cop[tikv] table:lineitem keep order:false /* Q6 Forecasting Revenue Change Query This query quantifies the amount of revenue increase that would have resulted from eliminating certain companywide @@ -443,30 +445,31 @@ supp_nation, cust_nation, l_year; id estRows task access object operator info -Sort_22 769.96 root tpch.nation.n_name, tpch.nation.n_name, Column#50 -└─Projection_24 769.96 root tpch.nation.n_name, tpch.nation.n_name, Column#50, Column#52 - └─HashAgg_25 769.96 root group by:Column#50, tpch.nation.n_name, tpch.nation.n_name, funcs:sum(Column#51)->Column#52, funcs:firstrow(tpch.nation.n_name)->tpch.nation.n_name, funcs:firstrow(tpch.nation.n_name)->tpch.nation.n_name, funcs:firstrow(Column#50)->Column#50 - └─Projection_26 1957240.42 root tpch.nation.n_name, tpch.nation.n_name, extract(YEAR, cast(tpch.lineitem.l_shipdate, var_string(10)))->Column#50, mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#51 - └─HashJoin_38 1957240.42 root inner join, equal:[eq(tpch.customer.c_nationkey, tpch.nation.n_nationkey)], other cond:or(and(eq(tpch.nation.n_name, "JAPAN"), eq(tpch.nation.n_name, "INDIA")), and(eq(tpch.nation.n_name, "INDIA"), eq(tpch.nation.n_name, "JAPAN"))) - ├─TableReader_92(Build) 2.00 root data:Selection_91 - │ └─Selection_91 2.00 cop[tikv] or(eq(tpch.nation.n_name, "INDIA"), eq(tpch.nation.n_name, "JAPAN")) - │ └─TableFullScan_90 25.00 cop[tikv] table:n2 keep order:false - └─HashJoin_49(Probe) 24465505.20 root inner join, equal:[eq(tpch.orders.o_custkey, tpch.customer.c_custkey)] - ├─TableReader_89(Build) 7500000.00 root data:TableFullScan_88 - │ └─TableFullScan_88 7500000.00 cop[tikv] table:customer keep order:false - └─IndexJoin_56(Probe) 24465505.20 root inner join, inner:TableReader_53, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey) - ├─HashJoin_64(Build) 24465505.20 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] - │ ├─HashJoin_77(Build) 40000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ │ ├─TableReader_82(Build) 2.00 root data:Selection_81 - │ │ │ └─Selection_81 2.00 cop[tikv] or(eq(tpch.nation.n_name, "JAPAN"), eq(tpch.nation.n_name, "INDIA")) - │ │ │ └─TableFullScan_80 25.00 cop[tikv] table:n1 keep order:false - │ │ └─TableReader_79(Probe) 500000.00 root data:TableFullScan_78 - │ │ └─TableFullScan_78 500000.00 cop[tikv] table:supplier keep order:false - │ └─TableReader_85(Probe) 91446230.29 root data:Selection_84 - │ └─Selection_84 91446230.29 cop[tikv] ge(tpch.lineitem.l_shipdate, 1995-01-01 00:00:00.000000), le(tpch.lineitem.l_shipdate, 1996-12-31 00:00:00.000000) - │ └─TableFullScan_83 300005811.00 cop[tikv] table:lineitem keep order:false - └─TableReader_53(Probe) 1.00 root data:TableRangeScan_52 - └─TableRangeScan_52 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:false +Sort_23 769.96 root tpch.nation.n_name, tpch.nation.n_name, Column#50 +└─Projection_25 769.96 root tpch.nation.n_name, tpch.nation.n_name, Column#50, Column#52 + └─HashAgg_26 769.96 root group by:Column#50, tpch.nation.n_name, tpch.nation.n_name, funcs:sum(Column#51)->Column#52, funcs:firstrow(tpch.nation.n_name)->tpch.nation.n_name, funcs:firstrow(tpch.nation.n_name)->tpch.nation.n_name, funcs:firstrow(Column#50)->Column#50 + └─Projection_27 1957240.42 root tpch.nation.n_name, tpch.nation.n_name, extract(YEAR, cast(tpch.lineitem.l_shipdate, var_string(10)))->Column#50, mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#51 + └─Projection_28 1957240.42 root tpch.lineitem.l_extendedprice, tpch.lineitem.l_discount, tpch.lineitem.l_shipdate, tpch.nation.n_name, tpch.nation.n_name + └─HashJoin_40 1957240.42 root inner join, equal:[eq(tpch.customer.c_nationkey, tpch.nation.n_nationkey)], other cond:or(and(eq(tpch.nation.n_name, "JAPAN"), eq(tpch.nation.n_name, "INDIA")), and(eq(tpch.nation.n_name, "INDIA"), eq(tpch.nation.n_name, "JAPAN"))) + ├─TableReader_94(Build) 2.00 root data:Selection_93 + │ └─Selection_93 2.00 cop[tikv] or(eq(tpch.nation.n_name, "INDIA"), eq(tpch.nation.n_name, "JAPAN")) + │ └─TableFullScan_92 25.00 cop[tikv] table:n2 keep order:false + └─HashJoin_51(Probe) 24465505.20 root inner join, equal:[eq(tpch.orders.o_custkey, tpch.customer.c_custkey)] + ├─TableReader_91(Build) 7500000.00 root data:TableFullScan_90 + │ └─TableFullScan_90 7500000.00 cop[tikv] table:customer keep order:false + └─IndexJoin_58(Probe) 24465505.20 root inner join, inner:TableReader_55, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey) + ├─HashJoin_66(Build) 24465505.20 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] + │ ├─HashJoin_79(Build) 40000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ │ ├─TableReader_84(Build) 2.00 root data:Selection_83 + │ │ │ └─Selection_83 2.00 cop[tikv] or(eq(tpch.nation.n_name, "JAPAN"), eq(tpch.nation.n_name, "INDIA")) + │ │ │ └─TableFullScan_82 25.00 cop[tikv] table:n1 keep order:false + │ │ └─TableReader_81(Probe) 500000.00 root data:TableFullScan_80 + │ │ └─TableFullScan_80 500000.00 cop[tikv] table:supplier keep order:false + │ └─TableReader_87(Probe) 91446230.29 root data:Selection_86 + │ └─Selection_86 91446230.29 cop[tikv] ge(tpch.lineitem.l_shipdate, 1995-01-01 00:00:00.000000), le(tpch.lineitem.l_shipdate, 1996-12-31 00:00:00.000000) + │ └─TableFullScan_85 300005811.00 cop[tikv] table:lineitem keep order:false + └─TableReader_55(Probe) 1.00 root data:TableRangeScan_54 + └─TableRangeScan_54 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:false /* Q8 National Market Share Query This query determines how the market share of a given nation within a given region has changed over two years for @@ -515,38 +518,39 @@ o_year order by o_year; id estRows task access object operator info -Sort_29 719.02 root Column#62 -└─Projection_31 719.02 root Column#62, div(Column#64, Column#65)->Column#66 - └─HashAgg_32 719.02 root group by:Column#78, funcs:sum(Column#75)->Column#64, funcs:sum(Column#76)->Column#65, funcs:firstrow(Column#77)->Column#62 - └─Projection_121 563136.02 root case(eq(tpch.nation.n_name, INDIA), Column#63, 0)->Column#75, Column#63, Column#62, Column#62 - └─Projection_33 563136.02 root extract(YEAR, cast(tpch.orders.o_orderdate, var_string(10)))->Column#62, mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#63, tpch.nation.n_name - └─HashJoin_43 563136.02 root inner join, equal:[eq(tpch.supplier.s_nationkey, tpch.nation.n_nationkey)] - ├─TableReader_119(Build) 25.00 root data:TableFullScan_118 - │ └─TableFullScan_118 25.00 cop[tikv] table:n2 keep order:false - └─HashJoin_54(Probe) 563136.02 root inner join, equal:[eq(tpch.lineitem.l_suppkey, tpch.supplier.s_suppkey)] - ├─TableReader_117(Build) 500000.00 root data:TableFullScan_116 - │ └─TableFullScan_116 500000.00 cop[tikv] table:supplier keep order:false - └─HashJoin_67(Probe) 563136.02 root inner join, equal:[eq(tpch.lineitem.l_partkey, tpch.part.p_partkey)] - ├─TableReader_115(Build) 61674.00 root data:Selection_114 - │ └─Selection_114 61674.00 cop[tikv] eq(tpch.part.p_type, "SMALL PLATED COPPER") - │ └─TableFullScan_113 10000000.00 cop[tikv] table:part keep order:false - └─IndexHashJoin_75(Probe) 90788402.51 root inner join, inner:IndexLookUp_72, outer key:tpch.orders.o_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey) - ├─HashJoin_85(Build) 22413367.93 root inner join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] - │ ├─HashJoin_87(Build) 1500000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.customer.c_nationkey)] - │ │ ├─HashJoin_100(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] - │ │ │ ├─TableReader_105(Build) 1.00 root data:Selection_104 - │ │ │ │ └─Selection_104 1.00 cop[tikv] eq(tpch.region.r_name, "ASIA") - │ │ │ │ └─TableFullScan_103 5.00 cop[tikv] table:region keep order:false - │ │ │ └─TableReader_102(Probe) 25.00 root data:TableFullScan_101 - │ │ │ └─TableFullScan_101 25.00 cop[tikv] table:n1 keep order:false - │ │ └─TableReader_107(Probe) 7500000.00 root data:TableFullScan_106 - │ │ └─TableFullScan_106 7500000.00 cop[tikv] table:customer keep order:false - │ └─TableReader_110(Probe) 22413367.93 root data:Selection_109 - │ └─Selection_109 22413367.93 cop[tikv] ge(tpch.orders.o_orderdate, 1995-01-01 00:00:00.000000), le(tpch.orders.o_orderdate, 1996-12-31 00:00:00.000000) - │ └─TableFullScan_108 75000000.00 cop[tikv] table:orders keep order:false - └─IndexLookUp_72(Probe) 4.05 root - ├─IndexRangeScan_70(Build) 4.05 cop[tikv] table:lineitem, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)], keep order:false - └─TableRowIDScan_71(Probe) 4.05 cop[tikv] table:lineitem keep order:false +Sort_30 719.02 root Column#62 +└─Projection_32 719.02 root Column#62, div(Column#64, Column#65)->Column#66 + └─HashAgg_33 719.02 root group by:Column#78, funcs:sum(Column#75)->Column#64, funcs:sum(Column#76)->Column#65, funcs:firstrow(Column#77)->Column#62 + └─Projection_123 563136.02 root case(eq(tpch.nation.n_name, INDIA), Column#63, 0)->Column#75, Column#63, Column#62, Column#62 + └─Projection_34 563136.02 root extract(YEAR, cast(tpch.orders.o_orderdate, var_string(10)))->Column#62, mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#63, tpch.nation.n_name + └─Projection_35 563136.02 root tpch.lineitem.l_extendedprice, tpch.lineitem.l_discount, tpch.orders.o_orderdate, tpch.nation.n_name + └─HashJoin_45 563136.02 root inner join, equal:[eq(tpch.supplier.s_nationkey, tpch.nation.n_nationkey)] + ├─TableReader_121(Build) 25.00 root data:TableFullScan_120 + │ └─TableFullScan_120 25.00 cop[tikv] table:n2 keep order:false + └─HashJoin_56(Probe) 563136.02 root inner join, equal:[eq(tpch.lineitem.l_suppkey, tpch.supplier.s_suppkey)] + ├─TableReader_119(Build) 500000.00 root data:TableFullScan_118 + │ └─TableFullScan_118 500000.00 cop[tikv] table:supplier keep order:false + └─HashJoin_69(Probe) 563136.02 root inner join, equal:[eq(tpch.lineitem.l_partkey, tpch.part.p_partkey)] + ├─TableReader_117(Build) 61674.00 root data:Selection_116 + │ └─Selection_116 61674.00 cop[tikv] eq(tpch.part.p_type, "SMALL PLATED COPPER") + │ └─TableFullScan_115 10000000.00 cop[tikv] table:part keep order:false + └─IndexHashJoin_77(Probe) 90788402.51 root inner join, inner:IndexLookUp_74, outer key:tpch.orders.o_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey) + ├─HashJoin_87(Build) 22413367.93 root inner join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] + │ ├─HashJoin_89(Build) 1500000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.customer.c_nationkey)] + │ │ ├─HashJoin_102(Build) 5.00 root inner join, equal:[eq(tpch.region.r_regionkey, tpch.nation.n_regionkey)] + │ │ │ ├─TableReader_107(Build) 1.00 root data:Selection_106 + │ │ │ │ └─Selection_106 1.00 cop[tikv] eq(tpch.region.r_name, "ASIA") + │ │ │ │ └─TableFullScan_105 5.00 cop[tikv] table:region keep order:false + │ │ │ └─TableReader_104(Probe) 25.00 root data:TableFullScan_103 + │ │ │ └─TableFullScan_103 25.00 cop[tikv] table:n1 keep order:false + │ │ └─TableReader_109(Probe) 7500000.00 root data:TableFullScan_108 + │ │ └─TableFullScan_108 7500000.00 cop[tikv] table:customer keep order:false + │ └─TableReader_112(Probe) 22413367.93 root data:Selection_111 + │ └─Selection_111 22413367.93 cop[tikv] ge(tpch.orders.o_orderdate, 1995-01-01 00:00:00.000000), le(tpch.orders.o_orderdate, 1996-12-31 00:00:00.000000) + │ └─TableFullScan_110 75000000.00 cop[tikv] table:orders keep order:false + └─IndexLookUp_74(Probe) 4.05 root + ├─IndexRangeScan_72(Build) 4.05 cop[tikv] table:lineitem, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)], keep order:false + └─TableRowIDScan_73(Probe) 4.05 cop[tikv] table:lineitem keep order:false /* Q9 Product Type Profit Measure Query This query determines how much profit is made on a given line of parts, broken out by supplier nation and year. @@ -591,28 +595,29 @@ order by nation, o_year desc; id estRows task access object operator info -Sort_25 2406.00 root tpch.nation.n_name, Column#53:desc -└─Projection_27 2406.00 root tpch.nation.n_name, Column#53, Column#55 - └─HashAgg_28 2406.00 root group by:Column#53, tpch.nation.n_name, funcs:sum(Column#54)->Column#55, funcs:firstrow(tpch.nation.n_name)->tpch.nation.n_name, funcs:firstrow(Column#53)->Column#53 - └─Projection_29 241379546.70 root tpch.nation.n_name, extract(YEAR, cast(tpch.orders.o_orderdate, var_string(10)))->Column#53, minus(mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount)), mul(tpch.partsupp.ps_supplycost, tpch.lineitem.l_quantity))->Column#54 - └─HashJoin_40 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)] - ├─TableReader_115(Build) 75000000.00 root data:TableFullScan_114 - │ └─TableFullScan_114 75000000.00 cop[tikv] table:orders keep order:false - └─HashJoin_75(Probe) 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_suppkey, tpch.partsupp.ps_suppkey) eq(tpch.lineitem.l_partkey, tpch.partsupp.ps_partkey)] - ├─TableReader_113(Build) 40000000.00 root data:TableFullScan_112 - │ └─TableFullScan_112 40000000.00 cop[tikv] table:partsupp keep order:false - └─HashJoin_88(Probe) 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_partkey, tpch.part.p_partkey)] - ├─TableReader_111(Build) 8000000.00 root data:Selection_110 - │ └─Selection_110 8000000.00 cop[tikv] like(tpch.part.p_name, "%dim%", 92) - │ └─TableFullScan_109 10000000.00 cop[tikv] table:part keep order:false - └─HashJoin_91(Probe) 300005811.00 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] - ├─HashJoin_102(Build) 500000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ ├─TableReader_106(Build) 25.00 root data:TableFullScan_105 - │ │ └─TableFullScan_105 25.00 cop[tikv] table:nation keep order:false - │ └─TableReader_104(Probe) 500000.00 root data:TableFullScan_103 - │ └─TableFullScan_103 500000.00 cop[tikv] table:supplier keep order:false - └─TableReader_108(Probe) 300005811.00 root data:TableFullScan_107 - └─TableFullScan_107 300005811.00 cop[tikv] table:lineitem keep order:false +Sort_26 2406.00 root tpch.nation.n_name, Column#53:desc +└─Projection_28 2406.00 root tpch.nation.n_name, Column#53, Column#55 + └─HashAgg_29 2406.00 root group by:Column#53, tpch.nation.n_name, funcs:sum(Column#54)->Column#55, funcs:firstrow(tpch.nation.n_name)->tpch.nation.n_name, funcs:firstrow(Column#53)->Column#53 + └─Projection_30 241379546.70 root tpch.nation.n_name, extract(YEAR, cast(tpch.orders.o_orderdate, var_string(10)))->Column#53, minus(mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount)), mul(tpch.partsupp.ps_supplycost, tpch.lineitem.l_quantity))->Column#54 + └─Projection_31 241379546.70 root tpch.lineitem.l_quantity, tpch.lineitem.l_extendedprice, tpch.lineitem.l_discount, tpch.partsupp.ps_supplycost, tpch.orders.o_orderdate, tpch.nation.n_name + └─HashJoin_42 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)] + ├─TableReader_117(Build) 75000000.00 root data:TableFullScan_116 + │ └─TableFullScan_116 75000000.00 cop[tikv] table:orders keep order:false + └─HashJoin_77(Probe) 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_suppkey, tpch.partsupp.ps_suppkey) eq(tpch.lineitem.l_partkey, tpch.partsupp.ps_partkey)] + ├─TableReader_115(Build) 40000000.00 root data:TableFullScan_114 + │ └─TableFullScan_114 40000000.00 cop[tikv] table:partsupp keep order:false + └─HashJoin_90(Probe) 241379546.70 root inner join, equal:[eq(tpch.lineitem.l_partkey, tpch.part.p_partkey)] + ├─TableReader_113(Build) 8000000.00 root data:Selection_112 + │ └─Selection_112 8000000.00 cop[tikv] like(tpch.part.p_name, "%dim%", 92) + │ └─TableFullScan_111 10000000.00 cop[tikv] table:part keep order:false + └─HashJoin_93(Probe) 300005811.00 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] + ├─HashJoin_104(Build) 500000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ ├─TableReader_108(Build) 25.00 root data:TableFullScan_107 + │ │ └─TableFullScan_107 25.00 cop[tikv] table:nation keep order:false + │ └─TableReader_106(Probe) 500000.00 root data:TableFullScan_105 + │ └─TableFullScan_105 500000.00 cop[tikv] table:supplier keep order:false + └─TableReader_110(Probe) 300005811.00 root data:TableFullScan_109 + └─TableFullScan_109 300005811.00 cop[tikv] table:lineitem keep order:false /* Q10 Returned Item Reporting Query The query identifies customers who might be having problems with the parts that are shipped to them. @@ -657,24 +662,25 @@ order by revenue desc limit 20; id estRows task access object operator info -Projection_17 20.00 root tpch.customer.c_custkey, tpch.customer.c_name, Column#39, tpch.customer.c_acctbal, tpch.nation.n_name, tpch.customer.c_address, tpch.customer.c_phone, tpch.customer.c_comment -└─TopN_20 20.00 root Column#39:desc, offset:0, count:20 - └─HashAgg_24 3017307.69 root group by:Column#53, Column#54, Column#55, Column#56, Column#57, Column#58, Column#59, funcs:sum(Column#45)->Column#39, funcs:firstrow(Column#46)->tpch.customer.c_custkey, funcs:firstrow(Column#47)->tpch.customer.c_name, funcs:firstrow(Column#48)->tpch.customer.c_address, funcs:firstrow(Column#49)->tpch.customer.c_phone, funcs:firstrow(Column#50)->tpch.customer.c_acctbal, funcs:firstrow(Column#51)->tpch.customer.c_comment, funcs:firstrow(Column#52)->tpch.nation.n_name - └─Projection_65 12222016.17 root mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#45, tpch.customer.c_custkey, tpch.customer.c_name, tpch.customer.c_address, tpch.customer.c_phone, tpch.customer.c_acctbal, tpch.customer.c_comment, tpch.nation.n_name, tpch.customer.c_custkey, tpch.customer.c_name, tpch.customer.c_acctbal, tpch.customer.c_phone, tpch.nation.n_name, tpch.customer.c_address, tpch.customer.c_comment - └─IndexHashJoin_32 12222016.17 root inner join, inner:IndexLookUp_29, outer key:tpch.orders.o_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey) - ├─HashJoin_42(Build) 3017307.69 root inner join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] - │ ├─TableReader_61(Build) 3017307.69 root data:Selection_60 - │ │ └─Selection_60 3017307.69 cop[tikv] ge(tpch.orders.o_orderdate, 1993-08-01 00:00:00.000000), lt(tpch.orders.o_orderdate, 1993-11-01) - │ │ └─TableFullScan_59 75000000.00 cop[tikv] table:orders keep order:false - │ └─HashJoin_54(Probe) 7500000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.customer.c_nationkey)] - │ ├─TableReader_58(Build) 25.00 root data:TableFullScan_57 - │ │ └─TableFullScan_57 25.00 cop[tikv] table:nation keep order:false - │ └─TableReader_56(Probe) 7500000.00 root data:TableFullScan_55 - │ └─TableFullScan_55 7500000.00 cop[tikv] table:customer keep order:false - └─IndexLookUp_29(Probe) 4.05 root - ├─IndexRangeScan_26(Build) 16.44 cop[tikv] table:lineitem, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)], keep order:false - └─Selection_28(Probe) 4.05 cop[tikv] eq(tpch.lineitem.l_returnflag, "R") - └─TableRowIDScan_27 16.44 cop[tikv] table:lineitem keep order:false +Projection_18 20.00 root tpch.customer.c_custkey, tpch.customer.c_name, Column#39, tpch.customer.c_acctbal, tpch.nation.n_name, tpch.customer.c_address, tpch.customer.c_phone, tpch.customer.c_comment +└─TopN_21 20.00 root Column#39:desc, offset:0, count:20 + └─HashAgg_25 3017307.69 root group by:Column#53, Column#54, Column#55, Column#56, Column#57, Column#58, Column#59, funcs:sum(Column#45)->Column#39, funcs:firstrow(Column#46)->tpch.customer.c_custkey, funcs:firstrow(Column#47)->tpch.customer.c_name, funcs:firstrow(Column#48)->tpch.customer.c_address, funcs:firstrow(Column#49)->tpch.customer.c_phone, funcs:firstrow(Column#50)->tpch.customer.c_acctbal, funcs:firstrow(Column#51)->tpch.customer.c_comment, funcs:firstrow(Column#52)->tpch.nation.n_name + └─Projection_67 12222016.17 root mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#45, tpch.customer.c_custkey, tpch.customer.c_name, tpch.customer.c_address, tpch.customer.c_phone, tpch.customer.c_acctbal, tpch.customer.c_comment, tpch.nation.n_name, tpch.customer.c_custkey, tpch.customer.c_name, tpch.customer.c_acctbal, tpch.customer.c_phone, tpch.nation.n_name, tpch.customer.c_address, tpch.customer.c_comment + └─Projection_26 12222016.17 root tpch.customer.c_custkey, tpch.customer.c_name, tpch.customer.c_address, tpch.customer.c_phone, tpch.customer.c_acctbal, tpch.customer.c_comment, tpch.lineitem.l_extendedprice, tpch.lineitem.l_discount, tpch.nation.n_name + └─IndexHashJoin_34 12222016.17 root inner join, inner:IndexLookUp_31, outer key:tpch.orders.o_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey) + ├─HashJoin_44(Build) 3017307.69 root inner join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] + │ ├─TableReader_63(Build) 3017307.69 root data:Selection_62 + │ │ └─Selection_62 3017307.69 cop[tikv] ge(tpch.orders.o_orderdate, 1993-08-01 00:00:00.000000), lt(tpch.orders.o_orderdate, 1993-11-01) + │ │ └─TableFullScan_61 75000000.00 cop[tikv] table:orders keep order:false + │ └─HashJoin_56(Probe) 7500000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.customer.c_nationkey)] + │ ├─TableReader_60(Build) 25.00 root data:TableFullScan_59 + │ │ └─TableFullScan_59 25.00 cop[tikv] table:nation keep order:false + │ └─TableReader_58(Probe) 7500000.00 root data:TableFullScan_57 + │ └─TableFullScan_57 7500000.00 cop[tikv] table:customer keep order:false + └─IndexLookUp_31(Probe) 4.05 root + ├─IndexRangeScan_28(Build) 16.44 cop[tikv] table:lineitem, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey)], keep order:false + └─Selection_30(Probe) 4.05 cop[tikv] eq(tpch.lineitem.l_returnflag, "R") + └─TableRowIDScan_29 16.44 cop[tikv] table:lineitem keep order:false /* Q11 Important Stock Identification Query This query finds the most important subset of suppliers' stock in a given nation. @@ -711,20 +717,20 @@ and n_name = 'MOZAMBIQUE' order by value desc; id estRows task access object operator info -Projection_54 1304801.67 root tpch.partsupp.ps_partkey, Column#35 -└─Sort_55 1304801.67 root Column#35:desc - └─Selection_57 1304801.67 root gt(Column#35, NULL) - └─HashAgg_58 1631002.09 root group by:Column#44, funcs:sum(Column#42)->Column#35, funcs:firstrow(Column#43)->tpch.partsupp.ps_partkey - └─Projection_83 1631002.09 root mul(tpch.partsupp.ps_supplycost, cast(tpch.partsupp.ps_availqty, decimal(20,0) BINARY))->Column#42, tpch.partsupp.ps_partkey, tpch.partsupp.ps_partkey - └─HashJoin_61 1631002.09 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.partsupp.ps_suppkey)] - ├─HashJoin_74(Build) 20000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ ├─TableReader_79(Build) 1.00 root data:Selection_78 - │ │ └─Selection_78 1.00 cop[tikv] eq(tpch.nation.n_name, "MOZAMBIQUE") - │ │ └─TableFullScan_77 25.00 cop[tikv] table:nation keep order:false - │ └─TableReader_76(Probe) 500000.00 root data:TableFullScan_75 - │ └─TableFullScan_75 500000.00 cop[tikv] table:supplier keep order:false - └─TableReader_81(Probe) 40000000.00 root data:TableFullScan_80 - └─TableFullScan_80 40000000.00 cop[tikv] table:partsupp keep order:false +Projection_58 1304801.67 root tpch.partsupp.ps_partkey, Column#35 +└─Sort_59 1304801.67 root Column#35:desc + └─Selection_61 1304801.67 root gt(Column#35, NULL) + └─HashAgg_62 1631002.09 root group by:Column#44, funcs:sum(Column#42)->Column#35, funcs:firstrow(Column#43)->tpch.partsupp.ps_partkey + └─Projection_89 1631002.09 root mul(tpch.partsupp.ps_supplycost, cast(tpch.partsupp.ps_availqty, decimal(20,0) BINARY))->Column#42, tpch.partsupp.ps_partkey, tpch.partsupp.ps_partkey + └─HashJoin_66 1631002.09 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.partsupp.ps_suppkey)] + ├─HashJoin_79(Build) 20000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ ├─TableReader_84(Build) 1.00 root data:Selection_83 + │ │ └─Selection_83 1.00 cop[tikv] eq(tpch.nation.n_name, "MOZAMBIQUE") + │ │ └─TableFullScan_82 25.00 cop[tikv] table:nation keep order:false + │ └─TableReader_81(Probe) 500000.00 root data:TableFullScan_80 + │ └─TableFullScan_80 500000.00 cop[tikv] table:supplier keep order:false + └─TableReader_86(Probe) 40000000.00 root data:TableFullScan_85 + └─TableFullScan_85 40000000.00 cop[tikv] table:partsupp keep order:false /* Q12 Shipping Modes and Order Priority Query This query determines whether selecting less expensive modes of shipping is negatively affecting the critical-priority @@ -765,16 +771,17 @@ l_shipmode order by l_shipmode; id estRows task access object operator info -Sort_9 1.00 root tpch.lineitem.l_shipmode -└─Projection_11 1.00 root tpch.lineitem.l_shipmode, Column#27, Column#28 - └─HashAgg_12 1.00 root group by:Column#40, funcs:sum(Column#37)->Column#27, funcs:sum(Column#38)->Column#28, funcs:firstrow(Column#39)->tpch.lineitem.l_shipmode - └─Projection_52 10023369.01 root cast(case(or(eq(tpch.orders.o_orderpriority, 1-URGENT), eq(tpch.orders.o_orderpriority, 2-HIGH)), 1, 0), decimal(22,0) BINARY)->Column#37, cast(case(and(ne(tpch.orders.o_orderpriority, 1-URGENT), ne(tpch.orders.o_orderpriority, 2-HIGH)), 1, 0), decimal(22,0) BINARY)->Column#38, tpch.lineitem.l_shipmode, tpch.lineitem.l_shipmode - └─IndexJoin_18 10023369.01 root inner join, inner:TableReader_15, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey) - ├─TableReader_48(Build) 10023369.01 root data:Selection_47 - │ └─Selection_47 10023369.01 cop[tikv] ge(tpch.lineitem.l_receiptdate, 1997-01-01 00:00:00.000000), in(tpch.lineitem.l_shipmode, "RAIL", "FOB"), lt(tpch.lineitem.l_commitdate, tpch.lineitem.l_receiptdate), lt(tpch.lineitem.l_receiptdate, 1998-01-01), lt(tpch.lineitem.l_shipdate, tpch.lineitem.l_commitdate) - │ └─TableFullScan_46 300005811.00 cop[tikv] table:lineitem keep order:false - └─TableReader_15(Probe) 1.00 root data:TableRangeScan_14 - └─TableRangeScan_14 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:false +Sort_10 1.00 root tpch.lineitem.l_shipmode +└─Projection_12 1.00 root tpch.lineitem.l_shipmode, Column#27, Column#28 + └─HashAgg_13 1.00 root group by:Column#40, funcs:sum(Column#37)->Column#27, funcs:sum(Column#38)->Column#28, funcs:firstrow(Column#39)->tpch.lineitem.l_shipmode + └─Projection_54 10023369.01 root cast(case(or(eq(tpch.orders.o_orderpriority, 1-URGENT), eq(tpch.orders.o_orderpriority, 2-HIGH)), 1, 0), decimal(22,0) BINARY)->Column#37, cast(case(and(ne(tpch.orders.o_orderpriority, 1-URGENT), ne(tpch.orders.o_orderpriority, 2-HIGH)), 1, 0), decimal(22,0) BINARY)->Column#38, tpch.lineitem.l_shipmode, tpch.lineitem.l_shipmode + └─Projection_14 10023369.01 root tpch.orders.o_orderpriority, tpch.lineitem.l_shipmode + └─IndexJoin_20 10023369.01 root inner join, inner:TableReader_17, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey) + ├─TableReader_50(Build) 10023369.01 root data:Selection_49 + │ └─Selection_49 10023369.01 cop[tikv] ge(tpch.lineitem.l_receiptdate, 1997-01-01 00:00:00.000000), in(tpch.lineitem.l_shipmode, "RAIL", "FOB"), lt(tpch.lineitem.l_commitdate, tpch.lineitem.l_receiptdate), lt(tpch.lineitem.l_receiptdate, 1998-01-01), lt(tpch.lineitem.l_shipdate, tpch.lineitem.l_commitdate) + │ └─TableFullScan_48 300005811.00 cop[tikv] table:lineitem keep order:false + └─TableReader_17(Probe) 1.00 root data:TableRangeScan_16 + └─TableRangeScan_16 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:false /* Q13 Customer Distribution Query This query seeks relationships between customers and the size of their orders. @@ -926,19 +933,20 @@ p_brand, p_type, p_size; id estRows task access object operator info -Sort_13 14.41 root Column#23:desc, tpch.part.p_brand, tpch.part.p_type, tpch.part.p_size -└─Projection_15 14.41 root tpch.part.p_brand, tpch.part.p_type, tpch.part.p_size, Column#23 - └─HashAgg_16 14.41 root group by:tpch.part.p_brand, tpch.part.p_size, tpch.part.p_type, funcs:count(distinct tpch.partsupp.ps_suppkey)->Column#23, funcs:firstrow(tpch.part.p_brand)->tpch.part.p_brand, funcs:firstrow(tpch.part.p_type)->tpch.part.p_type, funcs:firstrow(tpch.part.p_size)->tpch.part.p_size - └─HashJoin_28 3863988.24 root anti semi join, equal:[eq(tpch.partsupp.ps_suppkey, tpch.supplier.s_suppkey)] - ├─TableReader_66(Build) 400000.00 root data:Selection_65 - │ └─Selection_65 400000.00 cop[tikv] like(tpch.supplier.s_comment, "%Customer%Complaints%", 92) - │ └─TableFullScan_64 500000.00 cop[tikv] table:supplier keep order:false - └─IndexHashJoin_34(Probe) 4829985.30 root inner join, inner:IndexReader_31, outer key:tpch.part.p_partkey, inner key:tpch.partsupp.ps_partkey, equal cond:eq(tpch.part.p_partkey, tpch.partsupp.ps_partkey) - ├─TableReader_59(Build) 1200618.43 root data:Selection_58 - │ └─Selection_58 1200618.43 cop[tikv] in(tpch.part.p_size, 48, 19, 12, 4, 41, 7, 21, 39), ne(tpch.part.p_brand, "Brand#34"), not(like(tpch.part.p_type, "LARGE BRUSHED%", 92)) - │ └─TableFullScan_57 10000000.00 cop[tikv] table:part keep order:false - └─IndexReader_31(Probe) 4.02 root index:IndexRangeScan_30 - └─IndexRangeScan_30 4.02 cop[tikv] table:partsupp, index:PRIMARY(PS_PARTKEY, PS_SUPPKEY) range: decided by [eq(tpch.partsupp.ps_partkey, tpch.part.p_partkey)], keep order:false +Sort_14 14.41 root Column#23:desc, tpch.part.p_brand, tpch.part.p_type, tpch.part.p_size +└─Projection_16 14.41 root tpch.part.p_brand, tpch.part.p_type, tpch.part.p_size, Column#23 + └─HashAgg_17 14.41 root group by:tpch.part.p_brand, tpch.part.p_size, tpch.part.p_type, funcs:count(distinct tpch.partsupp.ps_suppkey)->Column#23, funcs:firstrow(tpch.part.p_brand)->tpch.part.p_brand, funcs:firstrow(tpch.part.p_type)->tpch.part.p_type, funcs:firstrow(tpch.part.p_size)->tpch.part.p_size + └─HashJoin_29 3863988.24 root anti semi join, equal:[eq(tpch.partsupp.ps_suppkey, tpch.supplier.s_suppkey)] + ├─TableReader_68(Build) 400000.00 root data:Selection_67 + │ └─Selection_67 400000.00 cop[tikv] like(tpch.supplier.s_comment, "%Customer%Complaints%", 92) + │ └─TableFullScan_66 500000.00 cop[tikv] table:supplier keep order:false + └─Projection_30(Probe) 4829985.30 root tpch.partsupp.ps_suppkey, tpch.part.p_brand, tpch.part.p_type, tpch.part.p_size + └─IndexHashJoin_36 4829985.30 root inner join, inner:IndexReader_33, outer key:tpch.part.p_partkey, inner key:tpch.partsupp.ps_partkey, equal cond:eq(tpch.part.p_partkey, tpch.partsupp.ps_partkey) + ├─TableReader_61(Build) 1200618.43 root data:Selection_60 + │ └─Selection_60 1200618.43 cop[tikv] in(tpch.part.p_size, 48, 19, 12, 4, 41, 7, 21, 39), ne(tpch.part.p_brand, "Brand#34"), not(like(tpch.part.p_type, "LARGE BRUSHED%", 92)) + │ └─TableFullScan_59 10000000.00 cop[tikv] table:part keep order:false + └─IndexReader_33(Probe) 4.02 root index:IndexRangeScan_32 + └─IndexRangeScan_32 4.02 cop[tikv] table:partsupp, index:PRIMARY(PS_PARTKEY, PS_SUPPKEY) range: decided by [eq(tpch.partsupp.ps_partkey, tpch.part.p_partkey)], keep order:false /* Q17 Small-Quantity-Order Revenue Query This query determines how much average yearly revenue would be lost if orders were no longer filled for small @@ -968,19 +976,19 @@ where l_partkey = p_partkey ); id estRows task access object operator info -Projection_16 1.00 root div(Column#46, 7.0)->Column#47 -└─StreamAgg_18 1.00 root funcs:sum(tpch.lineitem.l_extendedprice)->Column#46 - └─HashJoin_50 293773.83 root inner join, equal:[eq(tpch.part.p_partkey, tpch.lineitem.l_partkey)], other cond:lt(tpch.lineitem.l_quantity, mul(0.2, Column#44)) - ├─HashJoin_34(Build) 293773.83 root inner join, equal:[eq(tpch.part.p_partkey, tpch.lineitem.l_partkey)] - │ ├─TableReader_39(Build) 9736.49 root data:Selection_38 - │ │ └─Selection_38 9736.49 cop[tikv] eq(tpch.part.p_brand, "Brand#44"), eq(tpch.part.p_container, "WRAP PKG") - │ │ └─TableFullScan_37 10000000.00 cop[tikv] table:part keep order:false - │ └─TableReader_36(Probe) 300005811.00 root data:TableFullScan_35 - │ └─TableFullScan_35 300005811.00 cop[tikv] table:lineitem keep order:false - └─HashAgg_44(Probe) 9943040.00 root group by:tpch.lineitem.l_partkey, funcs:avg(Column#50, Column#51)->Column#44, funcs:firstrow(tpch.lineitem.l_partkey)->tpch.lineitem.l_partkey - └─TableReader_45 9943040.00 root data:HashAgg_40 - └─HashAgg_40 9943040.00 cop[tikv] group by:tpch.lineitem.l_partkey, funcs:count(tpch.lineitem.l_quantity)->Column#50, funcs:sum(tpch.lineitem.l_quantity)->Column#51 - └─TableFullScan_43 300005811.00 cop[tikv] table:lineitem keep order:false +Projection_17 1.00 root div(Column#46, 7.0)->Column#47 +└─StreamAgg_19 1.00 root funcs:sum(tpch.lineitem.l_extendedprice)->Column#46 + └─HashJoin_53 293773.83 root inner join, equal:[eq(tpch.part.p_partkey, tpch.lineitem.l_partkey)], other cond:lt(tpch.lineitem.l_quantity, mul(0.2, Column#44)) + ├─HashJoin_36(Build) 293773.83 root inner join, equal:[eq(tpch.part.p_partkey, tpch.lineitem.l_partkey)] + │ ├─TableReader_41(Build) 9736.49 root data:Selection_40 + │ │ └─Selection_40 9736.49 cop[tikv] eq(tpch.part.p_brand, "Brand#44"), eq(tpch.part.p_container, "WRAP PKG") + │ │ └─TableFullScan_39 10000000.00 cop[tikv] table:part keep order:false + │ └─TableReader_38(Probe) 300005811.00 root data:TableFullScan_37 + │ └─TableFullScan_37 300005811.00 cop[tikv] table:lineitem keep order:false + └─HashAgg_46(Probe) 9943040.00 root group by:tpch.lineitem.l_partkey, funcs:avg(Column#50, Column#51)->Column#44, funcs:firstrow(tpch.lineitem.l_partkey)->tpch.lineitem.l_partkey + └─TableReader_47 9943040.00 root data:HashAgg_42 + └─HashAgg_42 9943040.00 cop[tikv] group by:tpch.lineitem.l_partkey, funcs:count(tpch.lineitem.l_quantity)->Column#50, funcs:sum(tpch.lineitem.l_quantity)->Column#51 + └─TableFullScan_45 300005811.00 cop[tikv] table:lineitem keep order:false /* Q18 Large Volume Customer Query The Large Volume Customer Query ranks customers based on their having placed a large quantity order. Large @@ -1024,23 +1032,23 @@ o_totalprice desc, o_orderdate limit 100; id estRows task access object operator info -Projection_24 100.00 root tpch.customer.c_name, tpch.customer.c_custkey, tpch.orders.o_orderkey, tpch.orders.o_orderdate, tpch.orders.o_totalprice, Column#54 -└─TopN_27 100.00 root tpch.orders.o_totalprice:desc, tpch.orders.o_orderdate, offset:0, count:100 - └─HashAgg_31 59251097.60 root group by:tpch.customer.c_custkey, tpch.customer.c_name, tpch.orders.o_orderdate, tpch.orders.o_orderkey, tpch.orders.o_totalprice, funcs:sum(tpch.lineitem.l_quantity)->Column#54, funcs:firstrow(tpch.customer.c_custkey)->tpch.customer.c_custkey, funcs:firstrow(tpch.customer.c_name)->tpch.customer.c_name, funcs:firstrow(tpch.orders.o_orderkey)->tpch.orders.o_orderkey, funcs:firstrow(tpch.orders.o_totalprice)->tpch.orders.o_totalprice, funcs:firstrow(tpch.orders.o_orderdate)->tpch.orders.o_orderdate - └─HashJoin_46 240004648.80 root inner join, equal:[eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey)] - ├─HashJoin_70(Build) 59251097.60 root inner join, equal:[eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey)] - │ ├─Selection_87(Build) 59251097.60 root gt(Column#52, 314) - │ │ └─HashAgg_94 74063872.00 root group by:tpch.lineitem.l_orderkey, funcs:sum(Column#66)->Column#52, funcs:firstrow(tpch.lineitem.l_orderkey)->tpch.lineitem.l_orderkey - │ │ └─TableReader_95 74063872.00 root data:HashAgg_88 - │ │ └─HashAgg_88 74063872.00 cop[tikv] group by:tpch.lineitem.l_orderkey, funcs:sum(tpch.lineitem.l_quantity)->Column#66 - │ │ └─TableFullScan_93 300005811.00 cop[tikv] table:lineitem keep order:false - │ └─HashJoin_82(Probe) 75000000.00 root inner join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] - │ ├─TableReader_86(Build) 7500000.00 root data:TableFullScan_85 - │ │ └─TableFullScan_85 7500000.00 cop[tikv] table:customer keep order:false - │ └─TableReader_84(Probe) 75000000.00 root data:TableFullScan_83 - │ └─TableFullScan_83 75000000.00 cop[tikv] table:orders keep order:false - └─TableReader_99(Probe) 300005811.00 root data:TableFullScan_98 - └─TableFullScan_98 300005811.00 cop[tikv] table:lineitem keep order:false +Projection_25 100.00 root tpch.customer.c_name, tpch.customer.c_custkey, tpch.orders.o_orderkey, tpch.orders.o_orderdate, tpch.orders.o_totalprice, Column#54 +└─TopN_28 100.00 root tpch.orders.o_totalprice:desc, tpch.orders.o_orderdate, offset:0, count:100 + └─HashAgg_32 59251097.60 root group by:tpch.customer.c_custkey, tpch.customer.c_name, tpch.orders.o_orderdate, tpch.orders.o_orderkey, tpch.orders.o_totalprice, funcs:sum(tpch.lineitem.l_quantity)->Column#54, funcs:firstrow(tpch.customer.c_custkey)->tpch.customer.c_custkey, funcs:firstrow(tpch.customer.c_name)->tpch.customer.c_name, funcs:firstrow(tpch.orders.o_orderkey)->tpch.orders.o_orderkey, funcs:firstrow(tpch.orders.o_totalprice)->tpch.orders.o_totalprice, funcs:firstrow(tpch.orders.o_orderdate)->tpch.orders.o_orderdate + └─HashJoin_48 240004648.80 root inner join, equal:[eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey)] + ├─HashJoin_72(Build) 59251097.60 root inner join, equal:[eq(tpch.orders.o_orderkey, tpch.lineitem.l_orderkey)] + │ ├─Selection_89(Build) 59251097.60 root gt(Column#52, 314) + │ │ └─HashAgg_96 74063872.00 root group by:tpch.lineitem.l_orderkey, funcs:sum(Column#66)->Column#52, funcs:firstrow(tpch.lineitem.l_orderkey)->tpch.lineitem.l_orderkey + │ │ └─TableReader_97 74063872.00 root data:HashAgg_90 + │ │ └─HashAgg_90 74063872.00 cop[tikv] group by:tpch.lineitem.l_orderkey, funcs:sum(tpch.lineitem.l_quantity)->Column#66 + │ │ └─TableFullScan_95 300005811.00 cop[tikv] table:lineitem keep order:false + │ └─HashJoin_84(Probe) 75000000.00 root inner join, equal:[eq(tpch.customer.c_custkey, tpch.orders.o_custkey)] + │ ├─TableReader_88(Build) 7500000.00 root data:TableFullScan_87 + │ │ └─TableFullScan_87 7500000.00 cop[tikv] table:customer keep order:false + │ └─TableReader_86(Probe) 75000000.00 root data:TableFullScan_85 + │ └─TableFullScan_85 75000000.00 cop[tikv] table:orders keep order:false + └─TableReader_101(Probe) 300005811.00 root data:TableFullScan_100 + └─TableFullScan_100 300005811.00 cop[tikv] table:lineitem keep order:false /* Q19 Discounted Revenue Query The Discounted Revenue Query reports the gross discounted revenue attributed to the sale of selected parts handled @@ -1087,15 +1095,15 @@ and l_shipmode in ('AIR', 'AIR REG') and l_shipinstruct = 'DELIVER IN PERSON' ); id estRows task access object operator info -StreamAgg_10 1.00 root funcs:sum(Column#28)->Column#27 -└─Projection_43 733887.82 root mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#28 - └─HashJoin_42 733887.82 root inner join, equal:[eq(tpch.part.p_partkey, tpch.lineitem.l_partkey)], other cond:or(and(and(eq(tpch.part.p_brand, "Brand#52"), in(tpch.part.p_container, "SM CASE", "SM BOX", "SM PACK", "SM PKG")), and(ge(tpch.lineitem.l_quantity, 4), and(le(tpch.lineitem.l_quantity, 14), le(tpch.part.p_size, 5)))), or(and(and(eq(tpch.part.p_brand, "Brand#11"), in(tpch.part.p_container, "MED BAG", "MED BOX", "MED PKG", "MED PACK")), and(ge(tpch.lineitem.l_quantity, 18), and(le(tpch.lineitem.l_quantity, 28), le(tpch.part.p_size, 10)))), and(and(eq(tpch.part.p_brand, "Brand#51"), in(tpch.part.p_container, "LG CASE", "LG BOX", "LG PACK", "LG PKG")), and(ge(tpch.lineitem.l_quantity, 29), and(le(tpch.lineitem.l_quantity, 39), le(tpch.part.p_size, 15)))))) - ├─TableReader_29(Build) 24323.12 root data:Selection_28 - │ └─Selection_28 24323.12 cop[tikv] ge(tpch.part.p_size, 1), or(and(eq(tpch.part.p_brand, "Brand#52"), and(in(tpch.part.p_container, "SM CASE", "SM BOX", "SM PACK", "SM PKG"), le(tpch.part.p_size, 5))), or(and(eq(tpch.part.p_brand, "Brand#11"), and(in(tpch.part.p_container, "MED BAG", "MED BOX", "MED PKG", "MED PACK"), le(tpch.part.p_size, 10))), and(eq(tpch.part.p_brand, "Brand#51"), and(in(tpch.part.p_container, "LG CASE", "LG BOX", "LG PACK", "LG PKG"), le(tpch.part.p_size, 15))))) - │ └─TableFullScan_27 10000000.00 cop[tikv] table:part keep order:false - └─TableReader_26(Probe) 6286493.79 root data:Selection_25 - └─Selection_25 6286493.79 cop[tikv] eq(tpch.lineitem.l_shipinstruct, "DELIVER IN PERSON"), in(tpch.lineitem.l_shipmode, "AIR", "AIR REG"), or(and(ge(tpch.lineitem.l_quantity, 4), le(tpch.lineitem.l_quantity, 14)), or(and(ge(tpch.lineitem.l_quantity, 18), le(tpch.lineitem.l_quantity, 28)), and(ge(tpch.lineitem.l_quantity, 29), le(tpch.lineitem.l_quantity, 39)))) - └─TableFullScan_24 300005811.00 cop[tikv] table:lineitem keep order:false +StreamAgg_11 1.00 root funcs:sum(Column#28)->Column#27 +└─Projection_46 733887.82 root mul(tpch.lineitem.l_extendedprice, minus(1, tpch.lineitem.l_discount))->Column#28 + └─HashJoin_45 733887.82 root inner join, equal:[eq(tpch.part.p_partkey, tpch.lineitem.l_partkey)], other cond:or(and(and(eq(tpch.part.p_brand, "Brand#52"), in(tpch.part.p_container, "SM CASE", "SM BOX", "SM PACK", "SM PKG")), and(ge(tpch.lineitem.l_quantity, 4), and(le(tpch.lineitem.l_quantity, 14), le(tpch.part.p_size, 5)))), or(and(and(eq(tpch.part.p_brand, "Brand#11"), in(tpch.part.p_container, "MED BAG", "MED BOX", "MED PKG", "MED PACK")), and(ge(tpch.lineitem.l_quantity, 18), and(le(tpch.lineitem.l_quantity, 28), le(tpch.part.p_size, 10)))), and(and(eq(tpch.part.p_brand, "Brand#51"), in(tpch.part.p_container, "LG CASE", "LG BOX", "LG PACK", "LG PKG")), and(ge(tpch.lineitem.l_quantity, 29), and(le(tpch.lineitem.l_quantity, 39), le(tpch.part.p_size, 15)))))) + ├─TableReader_31(Build) 24323.12 root data:Selection_30 + │ └─Selection_30 24323.12 cop[tikv] ge(tpch.part.p_size, 1), or(and(eq(tpch.part.p_brand, "Brand#52"), and(in(tpch.part.p_container, "SM CASE", "SM BOX", "SM PACK", "SM PKG"), le(tpch.part.p_size, 5))), or(and(eq(tpch.part.p_brand, "Brand#11"), and(in(tpch.part.p_container, "MED BAG", "MED BOX", "MED PKG", "MED PACK"), le(tpch.part.p_size, 10))), and(eq(tpch.part.p_brand, "Brand#51"), and(in(tpch.part.p_container, "LG CASE", "LG BOX", "LG PACK", "LG PKG"), le(tpch.part.p_size, 15))))) + │ └─TableFullScan_29 10000000.00 cop[tikv] table:part keep order:false + └─TableReader_28(Probe) 6286493.79 root data:Selection_27 + └─Selection_27 6286493.79 cop[tikv] eq(tpch.lineitem.l_shipinstruct, "DELIVER IN PERSON"), in(tpch.lineitem.l_shipmode, "AIR", "AIR REG"), or(and(ge(tpch.lineitem.l_quantity, 4), le(tpch.lineitem.l_quantity, 14)), or(and(ge(tpch.lineitem.l_quantity, 18), le(tpch.lineitem.l_quantity, 28)), and(ge(tpch.lineitem.l_quantity, 29), le(tpch.lineitem.l_quantity, 39)))) + └─TableFullScan_26 300005811.00 cop[tikv] table:lineitem keep order:false /* Q20 Potential Part Promotion Query The Potential Part Promotion Query identifies suppliers in a particular nation having selected parts that may be candidates @@ -1143,29 +1151,29 @@ and n_name = 'ALGERIA' order by s_name; id estRows task access object operator info -Sort_28 20000.00 root tpch.supplier.s_name -└─HashJoin_32 20000.00 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.partsupp.ps_suppkey)] - ├─HashJoin_45(Build) 20000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ ├─TableReader_50(Build) 1.00 root data:Selection_49 - │ │ └─Selection_49 1.00 cop[tikv] eq(tpch.nation.n_name, "ALGERIA") - │ │ └─TableFullScan_48 25.00 cop[tikv] table:nation keep order:false - │ └─TableReader_47(Probe) 500000.00 root data:TableFullScan_46 - │ └─TableFullScan_46 500000.00 cop[tikv] table:supplier keep order:false - └─HashAgg_51(Probe) 257492.04 root group by:tpch.partsupp.ps_suppkey, funcs:firstrow(tpch.partsupp.ps_suppkey)->tpch.partsupp.ps_suppkey - └─Projection_52 257492.04 root tpch.partsupp.ps_suppkey - └─Selection_53 257492.04 root gt(cast(tpch.partsupp.ps_availqty), mul(0.5, Column#44)) - └─HashAgg_54 321865.05 root group by:tpch.partsupp.ps_partkey, tpch.partsupp.ps_suppkey, funcs:firstrow(tpch.partsupp.ps_suppkey)->tpch.partsupp.ps_suppkey, funcs:firstrow(tpch.partsupp.ps_availqty)->tpch.partsupp.ps_availqty, funcs:sum(tpch.lineitem.l_quantity)->Column#44 - └─HashJoin_57 9711455.06 root left outer join, equal:[eq(tpch.partsupp.ps_partkey, tpch.lineitem.l_partkey) eq(tpch.partsupp.ps_suppkey, tpch.lineitem.l_suppkey)] - ├─IndexHashJoin_64(Build) 321865.05 root inner join, inner:IndexLookUp_61, outer key:tpch.part.p_partkey, inner key:tpch.partsupp.ps_partkey, equal cond:eq(tpch.part.p_partkey, tpch.partsupp.ps_partkey) - │ ├─TableReader_93(Build) 80007.93 root data:Selection_92 - │ │ └─Selection_92 80007.93 cop[tikv] like(tpch.part.p_name, "green%", 92) - │ │ └─TableFullScan_91 10000000.00 cop[tikv] table:part keep order:false - │ └─IndexLookUp_61(Probe) 4.02 root - │ ├─IndexRangeScan_59(Build) 4.02 cop[tikv] table:partsupp, index:PRIMARY(PS_PARTKEY, PS_SUPPKEY) range: decided by [eq(tpch.partsupp.ps_partkey, tpch.part.p_partkey)], keep order:false - │ └─TableRowIDScan_60(Probe) 4.02 cop[tikv] table:partsupp keep order:false - └─TableReader_98(Probe) 44189356.65 root data:Selection_97 - └─Selection_97 44189356.65 cop[tikv] ge(tpch.lineitem.l_shipdate, 1993-01-01 00:00:00.000000), lt(tpch.lineitem.l_shipdate, 1994-01-01) - └─TableFullScan_96 300005811.00 cop[tikv] table:lineitem keep order:false +Sort_30 20000.00 root tpch.supplier.s_name +└─HashJoin_35 20000.00 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.partsupp.ps_suppkey)] + ├─HashJoin_48(Build) 20000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ ├─TableReader_53(Build) 1.00 root data:Selection_52 + │ │ └─Selection_52 1.00 cop[tikv] eq(tpch.nation.n_name, "ALGERIA") + │ │ └─TableFullScan_51 25.00 cop[tikv] table:nation keep order:false + │ └─TableReader_50(Probe) 500000.00 root data:TableFullScan_49 + │ └─TableFullScan_49 500000.00 cop[tikv] table:supplier keep order:false + └─HashAgg_54(Probe) 257492.04 root group by:tpch.partsupp.ps_suppkey, funcs:firstrow(tpch.partsupp.ps_suppkey)->tpch.partsupp.ps_suppkey + └─Projection_55 257492.04 root tpch.partsupp.ps_suppkey + └─Selection_56 257492.04 root gt(cast(tpch.partsupp.ps_availqty), mul(0.5, Column#44)) + └─HashAgg_57 321865.05 root group by:tpch.partsupp.ps_partkey, tpch.partsupp.ps_suppkey, funcs:firstrow(tpch.partsupp.ps_suppkey)->tpch.partsupp.ps_suppkey, funcs:firstrow(tpch.partsupp.ps_availqty)->tpch.partsupp.ps_availqty, funcs:sum(tpch.lineitem.l_quantity)->Column#44 + └─HashJoin_60 9711455.06 root left outer join, equal:[eq(tpch.partsupp.ps_partkey, tpch.lineitem.l_partkey) eq(tpch.partsupp.ps_suppkey, tpch.lineitem.l_suppkey)] + ├─IndexHashJoin_68(Build) 321865.05 root inner join, inner:IndexLookUp_65, outer key:tpch.part.p_partkey, inner key:tpch.partsupp.ps_partkey, equal cond:eq(tpch.part.p_partkey, tpch.partsupp.ps_partkey) + │ ├─TableReader_97(Build) 80007.93 root data:Selection_96 + │ │ └─Selection_96 80007.93 cop[tikv] like(tpch.part.p_name, "green%", 92) + │ │ └─TableFullScan_95 10000000.00 cop[tikv] table:part keep order:false + │ └─IndexLookUp_65(Probe) 4.02 root + │ ├─IndexRangeScan_63(Build) 4.02 cop[tikv] table:partsupp, index:PRIMARY(PS_PARTKEY, PS_SUPPKEY) range: decided by [eq(tpch.partsupp.ps_partkey, tpch.part.p_partkey)], keep order:false + │ └─TableRowIDScan_64(Probe) 4.02 cop[tikv] table:partsupp keep order:false + └─TableReader_102(Probe) 44189356.65 root data:Selection_101 + └─Selection_101 44189356.65 cop[tikv] ge(tpch.lineitem.l_shipdate, 1993-01-01 00:00:00.000000), lt(tpch.lineitem.l_shipdate, 1994-01-01) + └─TableFullScan_100 300005811.00 cop[tikv] table:lineitem keep order:false /* Q21 Suppliers Who Kept Orders Waiting Query This query identifies certain suppliers who were not able to ship required parts in a timely manner. @@ -1215,32 +1223,32 @@ numwait desc, s_name limit 100; id estRows task access object operator info -Projection_25 100.00 root tpch.supplier.s_name, Column#72 -└─TopN_28 100.00 root Column#72:desc, tpch.supplier.s_name, offset:0, count:100 - └─HashAgg_32 12800.00 root group by:tpch.supplier.s_name, funcs:count(1)->Column#72, funcs:firstrow(tpch.supplier.s_name)->tpch.supplier.s_name - └─IndexHashJoin_40 7828961.66 root anti semi join, inner:IndexLookUp_37, outer key:tpch.lineitem.l_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey), other cond:ne(tpch.lineitem.l_suppkey, tpch.lineitem.l_suppkey) - ├─IndexHashJoin_80(Build) 9786202.08 root semi join, inner:IndexLookUp_77, outer key:tpch.lineitem.l_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey), other cond:ne(tpch.lineitem.l_suppkey, tpch.lineitem.l_suppkey), ne(tpch.lineitem.l_suppkey, tpch.supplier.s_suppkey) - │ ├─IndexJoin_95(Build) 12232752.60 root inner join, inner:TableReader_91, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey) - │ │ ├─HashJoin_103(Build) 12232752.60 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] - │ │ │ ├─HashJoin_116(Build) 20000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] - │ │ │ │ ├─TableReader_121(Build) 1.00 root data:Selection_120 - │ │ │ │ │ └─Selection_120 1.00 cop[tikv] eq(tpch.nation.n_name, "EGYPT") - │ │ │ │ │ └─TableFullScan_119 25.00 cop[tikv] table:nation keep order:false - │ │ │ │ └─TableReader_118(Probe) 500000.00 root data:TableFullScan_117 - │ │ │ │ └─TableFullScan_117 500000.00 cop[tikv] table:supplier keep order:false - │ │ │ └─TableReader_124(Probe) 240004648.80 root data:Selection_123 - │ │ │ └─Selection_123 240004648.80 cop[tikv] gt(tpch.lineitem.l_receiptdate, tpch.lineitem.l_commitdate) - │ │ │ └─TableFullScan_122 300005811.00 cop[tikv] table:l1 keep order:false - │ │ └─TableReader_91(Probe) 0.49 root data:Selection_90 - │ │ └─Selection_90 0.49 cop[tikv] eq(tpch.orders.o_orderstatus, "F") - │ │ └─TableRangeScan_89 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:false - │ └─IndexLookUp_77(Probe) 4.05 root - │ ├─IndexRangeScan_75(Build) 4.05 cop[tikv] table:l2, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey)], keep order:false - │ └─TableRowIDScan_76(Probe) 4.05 cop[tikv] table:l2 keep order:false - └─IndexLookUp_37(Probe) 4.05 root - ├─IndexRangeScan_34(Build) 5.06 cop[tikv] table:l3, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey)], keep order:false - └─Selection_36(Probe) 4.05 cop[tikv] gt(tpch.lineitem.l_receiptdate, tpch.lineitem.l_commitdate) - └─TableRowIDScan_35 5.06 cop[tikv] table:l3 keep order:false +Projection_26 100.00 root tpch.supplier.s_name, Column#72 +└─TopN_29 100.00 root Column#72:desc, tpch.supplier.s_name, offset:0, count:100 + └─HashAgg_33 12800.00 root group by:tpch.supplier.s_name, funcs:count(1)->Column#72, funcs:firstrow(tpch.supplier.s_name)->tpch.supplier.s_name + └─IndexHashJoin_41 7828961.66 root anti semi join, inner:IndexLookUp_38, outer key:tpch.lineitem.l_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey), other cond:ne(tpch.lineitem.l_suppkey, tpch.lineitem.l_suppkey) + ├─IndexHashJoin_82(Build) 9786202.08 root semi join, inner:IndexLookUp_79, outer key:tpch.lineitem.l_orderkey, inner key:tpch.lineitem.l_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey), other cond:ne(tpch.lineitem.l_suppkey, tpch.lineitem.l_suppkey), ne(tpch.lineitem.l_suppkey, tpch.supplier.s_suppkey) + │ ├─IndexJoin_98(Build) 12232752.60 root inner join, inner:TableReader_94, outer key:tpch.lineitem.l_orderkey, inner key:tpch.orders.o_orderkey, equal cond:eq(tpch.lineitem.l_orderkey, tpch.orders.o_orderkey) + │ │ ├─HashJoin_106(Build) 12232752.60 root inner join, equal:[eq(tpch.supplier.s_suppkey, tpch.lineitem.l_suppkey)] + │ │ │ ├─HashJoin_119(Build) 20000.00 root inner join, equal:[eq(tpch.nation.n_nationkey, tpch.supplier.s_nationkey)] + │ │ │ │ ├─TableReader_124(Build) 1.00 root data:Selection_123 + │ │ │ │ │ └─Selection_123 1.00 cop[tikv] eq(tpch.nation.n_name, "EGYPT") + │ │ │ │ │ └─TableFullScan_122 25.00 cop[tikv] table:nation keep order:false + │ │ │ │ └─TableReader_121(Probe) 500000.00 root data:TableFullScan_120 + │ │ │ │ └─TableFullScan_120 500000.00 cop[tikv] table:supplier keep order:false + │ │ │ └─TableReader_127(Probe) 240004648.80 root data:Selection_126 + │ │ │ └─Selection_126 240004648.80 cop[tikv] gt(tpch.lineitem.l_receiptdate, tpch.lineitem.l_commitdate) + │ │ │ └─TableFullScan_125 300005811.00 cop[tikv] table:l1 keep order:false + │ │ └─TableReader_94(Probe) 0.49 root data:Selection_93 + │ │ └─Selection_93 0.49 cop[tikv] eq(tpch.orders.o_orderstatus, "F") + │ │ └─TableRangeScan_92 1.00 cop[tikv] table:orders range: decided by [tpch.lineitem.l_orderkey], keep order:false + │ └─IndexLookUp_79(Probe) 4.05 root + │ ├─IndexRangeScan_77(Build) 4.05 cop[tikv] table:l2, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey)], keep order:false + │ └─TableRowIDScan_78(Probe) 4.05 cop[tikv] table:l2 keep order:false + └─IndexLookUp_38(Probe) 4.05 root + ├─IndexRangeScan_35(Build) 5.06 cop[tikv] table:l3, index:PRIMARY(L_ORDERKEY, L_LINENUMBER) range: decided by [eq(tpch.lineitem.l_orderkey, tpch.lineitem.l_orderkey)], keep order:false + └─Selection_37(Probe) 4.05 cop[tikv] gt(tpch.lineitem.l_receiptdate, tpch.lineitem.l_commitdate) + └─TableRowIDScan_36 5.06 cop[tikv] table:l3 keep order:false /* Q22 Global Sales Opportunity Query The Global Sales Opportunity Query identifies geographies where there are customers who may be likely to make a diff --git a/planner/core/rule_join_reorder.go b/planner/core/rule_join_reorder.go index acaf32e354fcb..3ef15e989467c 100644 --- a/planner/core/rule_join_reorder.go +++ b/planner/core/rule_join_reorder.go @@ -73,6 +73,7 @@ func (s *joinReOrderSolver) optimizeRecursive(ctx sessionctx.Context, p LogicalP ctx: ctx, otherConds: otherConds, } + originalSchema := p.Schema() if len(curJoinGroup) > ctx.GetSessionVars().TiDBOptJoinReorderThreshold { groupSolver := &joinReorderGreedySolver{ baseSingleGroupJoinOrderSolver: baseGroupSolver, @@ -89,6 +90,21 @@ func (s *joinReOrderSolver) optimizeRecursive(ctx sessionctx.Context, p LogicalP if err != nil { return nil, err } + schemaChanged := false + for i, col := range p.Schema().Columns { + if !col.Equal(nil, originalSchema.Columns[i]) { + schemaChanged = true + break + } + } + if schemaChanged { + proj := LogicalProjection{ + Exprs: expression.Column2Exprs(originalSchema.Columns), + }.Init(p.SCtx(), p.SelectBlockOffset()) + proj.SetSchema(originalSchema) + proj.SetChildren(p) + p = proj + } return p, nil } newChildren := make([]LogicalPlan, 0, len(p.Children())) diff --git a/planner/core/testdata/analyze_suite_out.json b/planner/core/testdata/analyze_suite_out.json index 009c1a5fcc948..d1f032da31822 100644 --- a/planner/core/testdata/analyze_suite_out.json +++ b/planner/core/testdata/analyze_suite_out.json @@ -157,14 +157,14 @@ "explain select * from t t1 join t t2 where t1.b = t2.b and t2.b is null" ], "Plan": [ - "Projection_7 0.00 root test.t.a, test.t.b, test.t.a, test.t.b", - "└─HashJoin_9 0.00 root inner join, equal:[eq(test.t.b, test.t.b)]", - " ├─TableReader_12(Build) 0.00 root data:Selection_11", - " │ └─Selection_11 0.00 cop[tikv] isnull(test.t.b), not(isnull(test.t.b))", - " │ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", - " └─TableReader_18(Probe) 9990.00 root data:Selection_17", - " └─Selection_17 9990.00 cop[tikv] not(isnull(test.t.b))", - " └─TableFullScan_16 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + "Projection_9 0.00 root test.t.a, test.t.b, test.t.a, test.t.b", + "└─HashJoin_11 0.00 root inner join, equal:[eq(test.t.b, test.t.b)]", + " ├─TableReader_14(Build) 0.00 root data:Selection_13", + " │ └─Selection_13 0.00 cop[tikv] isnull(test.t.b), not(isnull(test.t.b))", + " │ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_20(Probe) 9990.00 root data:Selection_19", + " └─Selection_19 9990.00 cop[tikv] not(isnull(test.t.b))", + " └─TableFullScan_18 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" ] } ] diff --git a/planner/core/testdata/integration_serial_suite_out.json b/planner/core/testdata/integration_serial_suite_out.json index 4e186a268a946..ff95dd2edb3bf 100644 --- a/planner/core/testdata/integration_serial_suite_out.json +++ b/planner/core/testdata/integration_serial_suite_out.json @@ -48,56 +48,56 @@ { "SQL": "explain select count(*) from fact_t, d1_t where fact_t.d1_k = d1_t.d1_k", "Plan": [ - "StreamAgg_10 1.00 root funcs:count(1)->Column#11", - "└─TableReader_32 8.00 root data:ExchangeSender_31", - " └─ExchangeSender_31 8.00 cop[tiflash] ExchangeType: PassThrough", - " └─HashJoin_28 8.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", - " ├─ExchangeReceiver_17(Build) 2.00 cop[tiflash] ", - " │ └─ExchangeSender_16 2.00 cop[tiflash] ExchangeType: Broadcast", - " │ └─Selection_15 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", - " │ └─TableFullScan_14 2.00 cop[tiflash] table:d1_t keep order:false", - " └─Selection_19(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", - " └─TableFullScan_18 8.00 cop[tiflash] table:fact_t keep order:false" + "StreamAgg_11 1.00 root funcs:count(1)->Column#11", + "└─TableReader_35 8.00 root data:ExchangeSender_34", + " └─ExchangeSender_34 8.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_31 8.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", + " ├─ExchangeReceiver_19(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_18 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_17 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_16 2.00 cop[tiflash] table:d1_t keep order:false", + " └─Selection_21(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_20 8.00 cop[tiflash] table:fact_t keep order:false" ] }, { "SQL": "explain select count(*) from fact_t, d1_t, d2_t, d3_t where fact_t.d1_k = d1_t.d1_k and fact_t.d2_k = d2_t.d2_k and fact_t.d3_k = d3_t.d3_k", "Plan": [ - "StreamAgg_17 1.00 root funcs:count(1)->Column#17", - "└─TableReader_65 8.00 root data:ExchangeSender_64", - " └─ExchangeSender_64 8.00 cop[tiflash] ExchangeType: PassThrough", - " └─HashJoin_61 8.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d3_k, test.d3_t.d3_k)]", - " ├─ExchangeReceiver_36(Build) 2.00 cop[tiflash] ", - " │ └─ExchangeSender_35 2.00 cop[tiflash] ExchangeType: Broadcast", - " │ └─Selection_34 2.00 cop[tiflash] not(isnull(test.d3_t.d3_k))", - " │ └─TableFullScan_33 2.00 cop[tiflash] table:d3_t keep order:false", - " └─HashJoin_21(Probe) 8.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d2_k, test.d2_t.d2_k)]", - " ├─ExchangeReceiver_32(Build) 2.00 cop[tiflash] ", - " │ └─ExchangeSender_31 2.00 cop[tiflash] ExchangeType: Broadcast", - " │ └─Selection_30 2.00 cop[tiflash] not(isnull(test.d2_t.d2_k))", - " │ └─TableFullScan_29 2.00 cop[tiflash] table:d2_t keep order:false", - " └─HashJoin_22(Probe) 8.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", - " ├─ExchangeReceiver_26(Build) 2.00 cop[tiflash] ", - " │ └─ExchangeSender_25 2.00 cop[tiflash] ExchangeType: Broadcast", - " │ └─Selection_24 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", - " │ └─TableFullScan_23 2.00 cop[tiflash] table:d1_t keep order:false", - " └─Selection_28(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k)), not(isnull(test.fact_t.d2_k)), not(isnull(test.fact_t.d3_k))", - " └─TableFullScan_27 8.00 cop[tiflash] table:fact_t keep order:false" + "StreamAgg_18 1.00 root funcs:count(1)->Column#17", + "└─TableReader_68 8.00 root data:ExchangeSender_67", + " └─ExchangeSender_67 8.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_64 8.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d3_k, test.d3_t.d3_k)]", + " ├─ExchangeReceiver_38(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_37 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_36 2.00 cop[tiflash] not(isnull(test.d3_t.d3_k))", + " │ └─TableFullScan_35 2.00 cop[tiflash] table:d3_t keep order:false", + " └─HashJoin_23(Probe) 8.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d2_k, test.d2_t.d2_k)]", + " ├─ExchangeReceiver_34(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_33 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_32 2.00 cop[tiflash] not(isnull(test.d2_t.d2_k))", + " │ └─TableFullScan_31 2.00 cop[tiflash] table:d2_t keep order:false", + " └─HashJoin_24(Probe) 8.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", + " ├─ExchangeReceiver_28(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_27 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_26 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_25 2.00 cop[tiflash] table:d1_t keep order:false", + " └─Selection_30(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k)), not(isnull(test.fact_t.d2_k)), not(isnull(test.fact_t.d3_k))", + " └─TableFullScan_29 8.00 cop[tiflash] table:fact_t keep order:false" ] }, { "SQL": "explain select count(*) from fact_t, d1_t where fact_t.d1_k = d1_t.d1_k", "Plan": [ - "StreamAgg_10 1.00 root funcs:count(1)->Column#11", - "└─TableReader_32 8.00 root data:ExchangeSender_31", - " └─ExchangeSender_31 8.00 cop[tiflash] ExchangeType: PassThrough", - " └─HashJoin_28 8.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", - " ├─ExchangeReceiver_17(Build) 2.00 cop[tiflash] ", - " │ └─ExchangeSender_16 2.00 cop[tiflash] ExchangeType: Broadcast", - " │ └─Selection_15 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", - " │ └─TableFullScan_14 2.00 cop[tiflash] table:d1_t keep order:false", - " └─Selection_19(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", - " └─TableFullScan_18 8.00 cop[tiflash] table:fact_t keep order:false" + "StreamAgg_11 1.00 root funcs:count(1)->Column#11", + "└─TableReader_35 8.00 root data:ExchangeSender_34", + " └─ExchangeSender_34 8.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_31 8.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", + " ├─ExchangeReceiver_19(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_18 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_17 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_16 2.00 cop[tiflash] table:d1_t keep order:false", + " └─Selection_21(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_20 8.00 cop[tiflash] table:fact_t keep order:false" ] }, { @@ -131,16 +131,16 @@ { "SQL": "explain select count(*) from fact_t join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col1 > d1_t.value", "Plan": [ - "StreamAgg_9 1.00 root funcs:count(1)->Column#11", - "└─TableReader_31 8.00 root data:ExchangeSender_30", - " └─ExchangeSender_30 8.00 cop[tiflash] ExchangeType: PassThrough", - " └─HashJoin_27 8.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)], other cond:gt(test.fact_t.col1, test.d1_t.value)", - " ├─ExchangeReceiver_16(Build) 2.00 cop[tiflash] ", - " │ └─ExchangeSender_15 2.00 cop[tiflash] ExchangeType: Broadcast", - " │ └─Selection_14 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", - " │ └─TableFullScan_13 2.00 cop[tiflash] table:d1_t keep order:false", - " └─Selection_18(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", - " └─TableFullScan_17 8.00 cop[tiflash] table:fact_t keep order:false" + "StreamAgg_10 1.00 root funcs:count(1)->Column#11", + "└─TableReader_34 8.00 root data:ExchangeSender_33", + " └─ExchangeSender_33 8.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_30 8.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)], other cond:gt(test.fact_t.col1, test.d1_t.value)", + " ├─ExchangeReceiver_18(Build) 2.00 cop[tiflash] ", + " │ └─ExchangeSender_17 2.00 cop[tiflash] ExchangeType: Broadcast", + " │ └─Selection_16 2.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", + " │ └─TableFullScan_15 2.00 cop[tiflash] table:d1_t keep order:false", + " └─Selection_20(Probe) 8.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_19 8.00 cop[tiflash] table:fact_t keep order:false" ] }, { @@ -263,93 +263,93 @@ { "SQL": "explain select count(*) from fact_t, d1_t where fact_t.d1_k = d1_t.d1_k", "Plan": [ - "HashAgg_9 1.00 root funcs:count(1)->Column#11", - "└─TableReader_23 32.00 root data:ExchangeSender_22", - " └─ExchangeSender_22 32.00 cop[tiflash] ExchangeType: PassThrough", - " └─HashJoin_11 32.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", - " ├─ExchangeReceiver_17(Build) 4.00 cop[tiflash] ", - " │ └─ExchangeSender_16 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", - " │ └─Selection_15 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", - " │ └─TableFullScan_14 4.00 cop[tiflash] table:d1_t keep order:false", - " └─ExchangeReceiver_21(Probe) 16.00 cop[tiflash] ", - " └─ExchangeSender_20 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", - " └─Selection_19 16.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", - " └─TableFullScan_18 16.00 cop[tiflash] table:fact_t keep order:false" + "HashAgg_10 1.00 root funcs:count(1)->Column#11", + "└─TableReader_25 32.00 root data:ExchangeSender_24", + " └─ExchangeSender_24 32.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_13 32.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", + " ├─ExchangeReceiver_19(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_18 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " │ └─Selection_17 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_16 4.00 cop[tiflash] table:d1_t keep order:false", + " └─ExchangeReceiver_23(Probe) 16.00 cop[tiflash] ", + " └─ExchangeSender_22 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " └─Selection_21 16.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_20 16.00 cop[tiflash] table:fact_t keep order:false" ] }, { "SQL": "explain select count(*) from fact_t, d1_t, d2_t, d3_t where fact_t.d1_k = d1_t.d1_k and fact_t.d2_k = d2_t.d2_k and fact_t.d3_k = d3_t.d3_k", "Plan": [ - "HashAgg_16 1.00 root funcs:count(1)->Column#17", - "└─TableReader_44 128.00 root data:ExchangeSender_43", - " └─ExchangeSender_43 128.00 cop[tiflash] ExchangeType: PassThrough", - " └─HashJoin_18 128.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d3_k, test.d3_t.d3_k)]", - " ├─ExchangeReceiver_42(Build) 4.00 cop[tiflash] ", - " │ └─ExchangeSender_41 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d3_t.d3_k", - " │ └─Selection_40 4.00 cop[tiflash] not(isnull(test.d3_t.d3_k))", - " │ └─TableFullScan_39 4.00 cop[tiflash] table:d3_t keep order:false", - " └─ExchangeReceiver_38(Probe) 64.00 cop[tiflash] ", - " └─ExchangeSender_37 64.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d3_k", - " └─HashJoin_21 64.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d2_k, test.d2_t.d2_k)]", - " ├─ExchangeReceiver_36(Build) 4.00 cop[tiflash] ", - " │ └─ExchangeSender_35 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d2_t.d2_k", - " │ └─Selection_34 4.00 cop[tiflash] not(isnull(test.d2_t.d2_k))", - " │ └─TableFullScan_33 4.00 cop[tiflash] table:d2_t keep order:false", - " └─ExchangeReceiver_32(Probe) 32.00 cop[tiflash] ", - " └─ExchangeSender_31 32.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d2_k", - " └─HashJoin_22 32.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", - " ├─ExchangeReceiver_26(Build) 4.00 cop[tiflash] ", - " │ └─ExchangeSender_25 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", - " │ └─Selection_24 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", - " │ └─TableFullScan_23 4.00 cop[tiflash] table:d1_t keep order:false", - " └─ExchangeReceiver_30(Probe) 16.00 cop[tiflash] ", - " └─ExchangeSender_29 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", - " └─Selection_28 16.00 cop[tiflash] not(isnull(test.fact_t.d1_k)), not(isnull(test.fact_t.d2_k)), not(isnull(test.fact_t.d3_k))", - " └─TableFullScan_27 16.00 cop[tiflash] table:fact_t keep order:false" + "HashAgg_17 1.00 root funcs:count(1)->Column#17", + "└─TableReader_46 128.00 root data:ExchangeSender_45", + " └─ExchangeSender_45 128.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_20 128.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d3_k, test.d3_t.d3_k)]", + " ├─ExchangeReceiver_44(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_43 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d3_t.d3_k", + " │ └─Selection_42 4.00 cop[tiflash] not(isnull(test.d3_t.d3_k))", + " │ └─TableFullScan_41 4.00 cop[tiflash] table:d3_t keep order:false", + " └─ExchangeReceiver_40(Probe) 64.00 cop[tiflash] ", + " └─ExchangeSender_39 64.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d3_k", + " └─HashJoin_23 64.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d2_k, test.d2_t.d2_k)]", + " ├─ExchangeReceiver_38(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_37 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d2_t.d2_k", + " │ └─Selection_36 4.00 cop[tiflash] not(isnull(test.d2_t.d2_k))", + " │ └─TableFullScan_35 4.00 cop[tiflash] table:d2_t keep order:false", + " └─ExchangeReceiver_34(Probe) 32.00 cop[tiflash] ", + " └─ExchangeSender_33 32.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d2_k", + " └─HashJoin_24 32.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", + " ├─ExchangeReceiver_28(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_27 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " │ └─Selection_26 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_25 4.00 cop[tiflash] table:d1_t keep order:false", + " └─ExchangeReceiver_32(Probe) 16.00 cop[tiflash] ", + " └─ExchangeSender_31 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " └─Selection_30 16.00 cop[tiflash] not(isnull(test.fact_t.d1_k)), not(isnull(test.fact_t.d2_k)), not(isnull(test.fact_t.d3_k))", + " └─TableFullScan_29 16.00 cop[tiflash] table:fact_t keep order:false" ] }, { "SQL": "explain select count(*) from fact_t, d1_t where fact_t.d1_k = d1_t.d1_k", "Plan": [ - "HashAgg_9 1.00 root funcs:count(1)->Column#11", - "└─TableReader_23 32.00 root data:ExchangeSender_22", - " └─ExchangeSender_22 32.00 cop[tiflash] ExchangeType: PassThrough", - " └─HashJoin_11 32.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", - " ├─ExchangeReceiver_17(Build) 4.00 cop[tiflash] ", - " │ └─ExchangeSender_16 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", - " │ └─Selection_15 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", - " │ └─TableFullScan_14 4.00 cop[tiflash] table:d1_t keep order:false", - " └─ExchangeReceiver_21(Probe) 16.00 cop[tiflash] ", - " └─ExchangeSender_20 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", - " └─Selection_19 16.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", - " └─TableFullScan_18 16.00 cop[tiflash] table:fact_t keep order:false" + "HashAgg_10 1.00 root funcs:count(1)->Column#11", + "└─TableReader_25 32.00 root data:ExchangeSender_24", + " └─ExchangeSender_24 32.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_13 32.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", + " ├─ExchangeReceiver_19(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_18 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " │ └─Selection_17 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_16 4.00 cop[tiflash] table:d1_t keep order:false", + " └─ExchangeReceiver_23(Probe) 16.00 cop[tiflash] ", + " └─ExchangeSender_22 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " └─Selection_21 16.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_20 16.00 cop[tiflash] table:fact_t keep order:false" ] }, { "SQL": "explain select count(*) from fact_t, d1_t, d2_t, d3_t where fact_t.d1_k = d1_t.d1_k and fact_t.d1_k = d2_t.value and fact_t.d1_k = d3_t.value", "Plan": [ - "HashAgg_16 1.00 root funcs:count(1)->Column#17", - "└─TableReader_42 128.00 root data:ExchangeSender_41", - " └─ExchangeSender_41 128.00 cop[tiflash] ExchangeType: PassThrough", - " └─HashJoin_18 128.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d1_k, test.d3_t.value)]", - " ├─ExchangeReceiver_40(Build) 4.00 cop[tiflash] ", - " │ └─ExchangeSender_39 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d3_t.value", - " │ └─Selection_38 4.00 cop[tiflash] not(isnull(test.d3_t.value))", - " │ └─TableFullScan_37 4.00 cop[tiflash] table:d3_t keep order:false", - " └─HashJoin_21(Probe) 64.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d1_k, test.d2_t.value)]", - " ├─ExchangeReceiver_36(Build) 4.00 cop[tiflash] ", - " │ └─ExchangeSender_35 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d2_t.value", - " │ └─Selection_34 4.00 cop[tiflash] not(isnull(test.d2_t.value))", - " │ └─TableFullScan_33 4.00 cop[tiflash] table:d2_t keep order:false", - " └─HashJoin_23(Probe) 32.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", - " ├─ExchangeReceiver_28(Build) 4.00 cop[tiflash] ", - " │ └─ExchangeSender_27 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", - " │ └─Selection_26 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", - " │ └─TableFullScan_25 4.00 cop[tiflash] table:d1_t keep order:false", - " └─ExchangeReceiver_32(Probe) 16.00 cop[tiflash] ", - " └─ExchangeSender_31 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", - " └─Selection_30 16.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", - " └─TableFullScan_29 16.00 cop[tiflash] table:fact_t keep order:false" + "HashAgg_17 1.00 root funcs:count(1)->Column#17", + "└─TableReader_44 128.00 root data:ExchangeSender_43", + " └─ExchangeSender_43 128.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_20 128.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d1_k, test.d3_t.value)]", + " ├─ExchangeReceiver_42(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_41 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d3_t.value", + " │ └─Selection_40 4.00 cop[tiflash] not(isnull(test.d3_t.value))", + " │ └─TableFullScan_39 4.00 cop[tiflash] table:d3_t keep order:false", + " └─HashJoin_23(Probe) 64.00 cop[tiflash] inner join, equal:[eq(test.fact_t.d1_k, test.d2_t.value)]", + " ├─ExchangeReceiver_38(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_37 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d2_t.value", + " │ └─Selection_36 4.00 cop[tiflash] not(isnull(test.d2_t.value))", + " │ └─TableFullScan_35 4.00 cop[tiflash] table:d2_t keep order:false", + " └─HashJoin_25(Probe) 32.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)]", + " ├─ExchangeReceiver_30(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_29 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " │ └─Selection_28 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k))", + " │ └─TableFullScan_27 4.00 cop[tiflash] table:d1_t keep order:false", + " └─ExchangeReceiver_34(Probe) 16.00 cop[tiflash] ", + " └─ExchangeSender_33 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " └─Selection_32 16.00 cop[tiflash] not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_31 16.00 cop[tiflash] table:fact_t keep order:false" ] }, { @@ -387,18 +387,18 @@ { "SQL": "explain select count(*) from fact_t join d1_t on fact_t.d1_k = d1_t.d1_k and fact_t.col1 > d1_t.value", "Plan": [ - "HashAgg_8 1.00 root funcs:count(1)->Column#11", - "└─TableReader_22 32.00 root data:ExchangeSender_21", - " └─ExchangeSender_21 32.00 cop[tiflash] ExchangeType: PassThrough", - " └─HashJoin_10 32.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)], other cond:gt(test.fact_t.col1, test.d1_t.value)", - " ├─ExchangeReceiver_16(Build) 4.00 cop[tiflash] ", - " │ └─ExchangeSender_15 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", - " │ └─Selection_14 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", - " │ └─TableFullScan_13 4.00 cop[tiflash] table:d1_t keep order:false", - " └─ExchangeReceiver_20(Probe) 16.00 cop[tiflash] ", - " └─ExchangeSender_19 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", - " └─Selection_18 16.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", - " └─TableFullScan_17 16.00 cop[tiflash] table:fact_t keep order:false" + "HashAgg_9 1.00 root funcs:count(1)->Column#11", + "└─TableReader_24 32.00 root data:ExchangeSender_23", + " └─ExchangeSender_23 32.00 cop[tiflash] ExchangeType: PassThrough", + " └─HashJoin_12 32.00 cop[tiflash] inner join, equal:[eq(test.d1_t.d1_k, test.fact_t.d1_k)], other cond:gt(test.fact_t.col1, test.d1_t.value)", + " ├─ExchangeReceiver_18(Build) 4.00 cop[tiflash] ", + " │ └─ExchangeSender_17 4.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.d1_t.d1_k", + " │ └─Selection_16 4.00 cop[tiflash] not(isnull(test.d1_t.d1_k)), not(isnull(test.d1_t.value))", + " │ └─TableFullScan_15 4.00 cop[tiflash] table:d1_t keep order:false", + " └─ExchangeReceiver_22(Probe) 16.00 cop[tiflash] ", + " └─ExchangeSender_21 16.00 cop[tiflash] ExchangeType: HashPartition, Hash Cols: test.fact_t.d1_k", + " └─Selection_20 16.00 cop[tiflash] not(isnull(test.fact_t.col1)), not(isnull(test.fact_t.d1_k))", + " └─TableFullScan_19 16.00 cop[tiflash] table:fact_t keep order:false" ] }, { diff --git a/planner/core/testdata/integration_suite_out.json b/planner/core/testdata/integration_suite_out.json index e7388c9e58140..b7ce27422bf5a 100644 --- a/planner/core/testdata/integration_suite_out.json +++ b/planner/core/testdata/integration_suite_out.json @@ -352,16 +352,16 @@ { "SQL": "desc select * from (select b+b as x from t) t1, t t2 where t1.x=t2.b order by t1.x limit 1", "Plan": [ - "Projection_11 1.00 root Column#4, test.t.a, test.t.b", - "└─TopN_14 1.00 root Column#4, offset:0, count:1", - " └─HashJoin_18 10000.00 root inner join, equal:[eq(test.t.b, Column#4)]", - " ├─Projection_23(Build) 8000.00 root plus(test.t.b, test.t.b)->Column#4", - " │ └─TableReader_26 8000.00 root data:Selection_25", - " │ └─Selection_25 8000.00 cop[tikv] not(isnull(plus(test.t.b, test.t.b)))", - " │ └─TableFullScan_24 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", - " └─TableReader_22(Probe) 9990.00 root data:Selection_21", - " └─Selection_21 9990.00 cop[tikv] not(isnull(test.t.b))", - " └─TableFullScan_20 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" + "TopN_15 1.00 root Column#4, offset:0, count:1", + "└─Projection_19 10000.00 root Column#4, test.t.a, test.t.b", + " └─HashJoin_20 10000.00 root inner join, equal:[eq(test.t.b, Column#4)]", + " ├─Projection_25(Build) 8000.00 root plus(test.t.b, test.t.b)->Column#4", + " │ └─TableReader_28 8000.00 root data:Selection_27", + " │ └─Selection_27 8000.00 cop[tikv] not(isnull(plus(test.t.b, test.t.b)))", + " │ └─TableFullScan_26 10000.00 cop[tikv] table:t keep order:false, stats:pseudo", + " └─TableReader_24(Probe) 9990.00 root data:Selection_23", + " └─Selection_23 9990.00 cop[tikv] not(isnull(test.t.b))", + " └─TableFullScan_22 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo" ] } ] @@ -427,14 +427,14 @@ { "SQL": "desc select /*+ INL_MERGE_JOIN(t2)*/ t1.a, t2.a from t t1, t t2 ,t t3 where t1.a = t2.a and t3.a=t2.a", "Plan": [ - "HashJoin_21 15625.00 root inner join, equal:[eq(test.t.a, test.t.a)]", - "├─TableReader_60(Build) 10000.00 root data:TableFullScan_59", - "│ └─TableFullScan_59 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo", - "└─IndexMergeJoin_58(Probe) 12500.00 root inner join, inner:TableReader_53, outer key:test.t.a, inner key:test.t.a", - " ├─TableReader_45(Build) 10000.00 root data:TableFullScan_44", - " │ └─TableFullScan_44 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", - " └─TableReader_53(Probe) 1.00 root data:TableRangeScan_52", - " └─TableRangeScan_52 1.00 cop[tikv] table:t2 range: decided by [test.t.a], keep order:true, stats:pseudo" + "HashJoin_23 15625.00 root inner join, equal:[eq(test.t.a, test.t.a)]", + "├─TableReader_62(Build) 10000.00 root data:TableFullScan_61", + "│ └─TableFullScan_61 10000.00 cop[tikv] table:t3 keep order:false, stats:pseudo", + "└─IndexMergeJoin_60(Probe) 12500.00 root inner join, inner:TableReader_55, outer key:test.t.a, inner key:test.t.a", + " ├─TableReader_47(Build) 10000.00 root data:TableFullScan_46", + " │ └─TableFullScan_46 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + " └─TableReader_55(Probe) 1.00 root data:TableRangeScan_54", + " └─TableRangeScan_54 1.00 cop[tikv] table:t2 range: decided by [test.t.a], keep order:true, stats:pseudo" ], "Warnings": [] }, diff --git a/planner/core/testdata/partition_pruner_out.json b/planner/core/testdata/partition_pruner_out.json index 7b5e19d7c5620..20bb213e736e1 100644 --- a/planner/core/testdata/partition_pruner_out.json +++ b/planner/core/testdata/partition_pruner_out.json @@ -626,14 +626,14 @@ "SQL": "select * from t1 join t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3) and (t2.a = 6 and t2.b = 6)", "Result": null, "Plan": [ - "Projection_7 0.01 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t2.a, test_partition.t2.id, test_partition.t2.b", - "└─HashJoin_9 0.01 root inner join, equal:[eq(test_partition.t2.id, test_partition.t1.id)]", - " ├─TableReader_12(Build) 0.01 root partition:p1 data:Selection_11", - " │ └─Selection_11 0.01 cop[tikv] eq(test_partition.t2.a, 6), eq(test_partition.t2.b, 6), not(isnull(test_partition.t2.id))", - " │ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", - " └─TableReader_15(Probe) 19.98 root partition:p0 data:Selection_14", - " └─Selection_14 19.98 cop[tikv] not(isnull(test_partition.t1.id)), or(eq(test_partition.t1.a, 1), eq(test_partition.t1.a, 3))", - " └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + "Projection_9 0.01 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t2.a, test_partition.t2.id, test_partition.t2.b", + "└─HashJoin_11 0.01 root inner join, equal:[eq(test_partition.t2.id, test_partition.t1.id)]", + " ├─TableReader_14(Build) 0.01 root partition:p1 data:Selection_13", + " │ └─Selection_13 0.01 cop[tikv] eq(test_partition.t2.a, 6), eq(test_partition.t2.b, 6), not(isnull(test_partition.t2.id))", + " │ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_17(Probe) 19.98 root partition:p0 data:Selection_16", + " └─Selection_16 19.98 cop[tikv] not(isnull(test_partition.t1.id)), or(eq(test_partition.t1.a, 1), eq(test_partition.t1.a, 3))", + " └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" ] }, { @@ -666,14 +666,14 @@ "SQL": "select * from t1 join t2 on true where t1.a=5 and t2.a in (6,7,8) and t1.a-t2.a=1 and t2.b = 6", "Result": null, "Plan": [ - "Projection_7 80.00 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t2.a, test_partition.t2.id, test_partition.t2.b", - "└─HashJoin_9 80.00 root CARTESIAN inner join", - " ├─TableReader_12(Build) 8.00 root partition:p1 data:Selection_11", - " │ └─Selection_11 8.00 cop[tikv] 1, eq(minus(5, test_partition.t2.a), 1), eq(test_partition.t2.b, 6), in(test_partition.t2.a, 6, 7, 8)", - " │ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", - " └─TableReader_15(Probe) 10.00 root partition:p0 data:Selection_14", - " └─Selection_14 10.00 cop[tikv] 1, eq(test_partition.t1.a, 5)", - " └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + "Projection_9 80.00 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t2.a, test_partition.t2.id, test_partition.t2.b", + "└─HashJoin_11 80.00 root CARTESIAN inner join", + " ├─TableReader_14(Build) 8.00 root partition:p1 data:Selection_13", + " │ └─Selection_13 8.00 cop[tikv] 1, eq(minus(5, test_partition.t2.a), 1), eq(test_partition.t2.b, 6), in(test_partition.t2.a, 6, 7, 8)", + " │ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_17(Probe) 10.00 root partition:p0 data:Selection_16", + " └─Selection_16 10.00 cop[tikv] 1, eq(test_partition.t1.a, 5)", + " └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" ] }, { @@ -1056,14 +1056,14 @@ "SQL": "select * from t1 join t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3 and t1.b in (3,5)) and t2.a in (6,7,8) and t2.b=7 and t2.id=7", "Result": null, "Plan": [ - "Projection_7 0.00 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t2.id, test_partition.t2.a, test_partition.t2.b", - "└─HashJoin_9 0.00 root CARTESIAN inner join", - " ├─TableReader_12(Build) 0.00 root partition:p1 data:Selection_11", - " │ └─Selection_11 0.00 cop[tikv] eq(test_partition.t2.b, 7), eq(test_partition.t2.id, 7), in(test_partition.t2.a, 6, 7, 8)", - " │ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", - " └─TableReader_15(Probe) 0.01 root partition:p0 data:Selection_14", - " └─Selection_14 0.01 cop[tikv] eq(test_partition.t1.id, 7), or(eq(test_partition.t1.a, 1), and(eq(test_partition.t1.a, 3), in(test_partition.t1.b, 3, 5)))", - " └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + "Projection_9 0.00 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t2.id, test_partition.t2.a, test_partition.t2.b", + "└─HashJoin_11 0.00 root CARTESIAN inner join", + " ├─TableReader_14(Build) 0.00 root partition:p1 data:Selection_13", + " │ └─Selection_13 0.00 cop[tikv] eq(test_partition.t2.b, 7), eq(test_partition.t2.id, 7), in(test_partition.t2.a, 6, 7, 8)", + " │ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_17(Probe) 0.01 root partition:p0 data:Selection_16", + " └─Selection_16 0.01 cop[tikv] eq(test_partition.t1.id, 7), or(eq(test_partition.t1.a, 1), and(eq(test_partition.t1.a, 3), in(test_partition.t1.b, 3, 5)))", + " └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" ], "IndexPlan": [ "HashJoin_9 0.03 root CARTESIAN inner join", @@ -1530,46 +1530,46 @@ "SQL": "select * from t1 join t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3) and (t2.a = 6 and t2.b = 6)", "Result": null, "Plan": [ - "Projection_7 0.01 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t2.id, test_partition.t2.a, test_partition.t2.b", - "└─HashJoin_9 0.01 root inner join, equal:[eq(test_partition.t2.id, test_partition.t1.id)]", - " ├─TableReader_12(Build) 0.01 root partition:p1 data:Selection_11", - " │ └─Selection_11 0.01 cop[tikv] eq(test_partition.t2.a, 6), eq(test_partition.t2.b, 6), not(isnull(test_partition.t2.id))", - " │ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", - " └─TableReader_15(Probe) 19.98 root partition:p0 data:Selection_14", - " └─Selection_14 19.98 cop[tikv] not(isnull(test_partition.t1.id)), or(eq(test_partition.t1.a, 1), eq(test_partition.t1.a, 3))", - " └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + "Projection_9 0.01 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t2.id, test_partition.t2.a, test_partition.t2.b", + "└─HashJoin_11 0.01 root inner join, equal:[eq(test_partition.t2.id, test_partition.t1.id)]", + " ├─TableReader_14(Build) 0.01 root partition:p1 data:Selection_13", + " │ └─Selection_13 0.01 cop[tikv] eq(test_partition.t2.a, 6), eq(test_partition.t2.b, 6), not(isnull(test_partition.t2.id))", + " │ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_17(Probe) 19.98 root partition:p0 data:Selection_16", + " └─Selection_16 19.98 cop[tikv] not(isnull(test_partition.t1.id)), or(eq(test_partition.t1.a, 1), eq(test_partition.t1.a, 3))", + " └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" ], "IndexPlan": [ - "Projection_7 1.25 root test_partition_1.t1.id, test_partition_1.t1.a, test_partition_1.t1.b, test_partition_1.t2.id, test_partition_1.t2.a, test_partition_1.t2.b", - "└─HashJoin_15 1.25 root inner join, equal:[eq(test_partition_1.t2.id, test_partition_1.t1.id)]", - " ├─IndexReader_20(Build) 1.00 root partition:p1 index:IndexRangeScan_19", - " │ └─IndexRangeScan_19 1.00 cop[tikv] table:t2, index:a(a, b, id) range:[6 6 -inf,6 6 +inf], keep order:false, stats:pseudo", - " └─IndexReader_18(Probe) 19.98 root partition:p0 index:Selection_17", - " └─Selection_17 19.98 cop[tikv] not(isnull(test_partition_1.t1.id))", - " └─IndexRangeScan_16 20.00 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], [3,3], keep order:false, stats:pseudo" + "Projection_9 1.25 root test_partition_1.t1.id, test_partition_1.t1.a, test_partition_1.t1.b, test_partition_1.t2.id, test_partition_1.t2.a, test_partition_1.t2.b", + "└─HashJoin_17 1.25 root inner join, equal:[eq(test_partition_1.t2.id, test_partition_1.t1.id)]", + " ├─IndexReader_22(Build) 1.00 root partition:p1 index:IndexRangeScan_21", + " │ └─IndexRangeScan_21 1.00 cop[tikv] table:t2, index:a(a, b, id) range:[6 6 -inf,6 6 +inf], keep order:false, stats:pseudo", + " └─IndexReader_20(Probe) 19.98 root partition:p0 index:Selection_19", + " └─Selection_19 19.98 cop[tikv] not(isnull(test_partition_1.t1.id))", + " └─IndexRangeScan_18 20.00 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], [3,3], keep order:false, stats:pseudo" ] }, { "SQL": "select * from t1 join t1 as t2 on t1.id = t2.id where (t1.a=1 or t1.a = 3) and (t2.a = 6 and t2.b = 6)", "Result": null, "Plan": [ - "Projection_7 0.01 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t1.id, test_partition.t1.a, test_partition.t1.b", - "└─HashJoin_9 0.01 root inner join, equal:[eq(test_partition.t1.id, test_partition.t1.id)]", - " ├─TableReader_12(Build) 0.01 root partition:p1 data:Selection_11", - " │ └─Selection_11 0.01 cop[tikv] eq(test_partition.t1.a, 6), eq(test_partition.t1.b, 6), not(isnull(test_partition.t1.id))", - " │ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", - " └─TableReader_15(Probe) 19.98 root partition:p0 data:Selection_14", - " └─Selection_14 19.98 cop[tikv] not(isnull(test_partition.t1.id)), or(eq(test_partition.t1.a, 1), eq(test_partition.t1.a, 3))", - " └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + "Projection_9 0.01 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t1.id, test_partition.t1.a, test_partition.t1.b", + "└─HashJoin_11 0.01 root inner join, equal:[eq(test_partition.t1.id, test_partition.t1.id)]", + " ├─TableReader_14(Build) 0.01 root partition:p1 data:Selection_13", + " │ └─Selection_13 0.01 cop[tikv] eq(test_partition.t1.a, 6), eq(test_partition.t1.b, 6), not(isnull(test_partition.t1.id))", + " │ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_17(Probe) 19.98 root partition:p0 data:Selection_16", + " └─Selection_16 19.98 cop[tikv] not(isnull(test_partition.t1.id)), or(eq(test_partition.t1.a, 1), eq(test_partition.t1.a, 3))", + " └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" ], "IndexPlan": [ - "Projection_7 1.25 root test_partition_1.t1.id, test_partition_1.t1.a, test_partition_1.t1.b, test_partition_1.t1.id, test_partition_1.t1.a, test_partition_1.t1.b", - "└─HashJoin_15 1.25 root inner join, equal:[eq(test_partition_1.t1.id, test_partition_1.t1.id)]", - " ├─IndexReader_20(Build) 1.00 root partition:p1 index:IndexRangeScan_19", - " │ └─IndexRangeScan_19 1.00 cop[tikv] table:t2, index:a(a, b, id) range:[6 6 -inf,6 6 +inf], keep order:false, stats:pseudo", - " └─IndexReader_18(Probe) 19.98 root partition:p0 index:Selection_17", - " └─Selection_17 19.98 cop[tikv] not(isnull(test_partition_1.t1.id))", - " └─IndexRangeScan_16 20.00 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], [3,3], keep order:false, stats:pseudo" + "Projection_9 1.25 root test_partition_1.t1.id, test_partition_1.t1.a, test_partition_1.t1.b, test_partition_1.t1.id, test_partition_1.t1.a, test_partition_1.t1.b", + "└─HashJoin_17 1.25 root inner join, equal:[eq(test_partition_1.t1.id, test_partition_1.t1.id)]", + " ├─IndexReader_22(Build) 1.00 root partition:p1 index:IndexRangeScan_21", + " │ └─IndexRangeScan_21 1.00 cop[tikv] table:t2, index:a(a, b, id) range:[6 6 -inf,6 6 +inf], keep order:false, stats:pseudo", + " └─IndexReader_20(Probe) 19.98 root partition:p0 index:Selection_19", + " └─Selection_19 19.98 cop[tikv] not(isnull(test_partition_1.t1.id))", + " └─IndexRangeScan_18 20.00 cop[tikv] table:t1, index:a(a, b, id) range:[1,1], [3,3], keep order:false, stats:pseudo" ] }, { @@ -1579,27 +1579,27 @@ "2 2 2" ], "Plan": [ - "Sort_11 19.98 root test_partition.t1.a", - "└─HashJoin_15 19.98 root inner join, equal:[eq(test_partition.t2.b, test_partition.t1.a)]", - " ├─HashAgg_21(Build) 15.98 root group by:test_partition.t2.b, funcs:firstrow(test_partition.t2.b)->test_partition.t2.b", - " │ └─TableReader_22 15.98 root partition:p0 data:HashAgg_16", - " │ └─HashAgg_16 15.98 cop[tikv] group by:test_partition.t2.b, ", - " │ └─Selection_20 19.98 cop[tikv] in(test_partition.t2.a, 1, 2), not(isnull(test_partition.t2.b))", - " │ └─TableFullScan_19 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", - " └─TableReader_28(Probe) 9990.00 root partition:all data:Selection_27", - " └─Selection_27 9990.00 cop[tikv] not(isnull(test_partition.t1.a))", - " └─TableFullScan_26 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + "Sort_12 19.98 root test_partition.t1.a", + "└─HashJoin_17 19.98 root inner join, equal:[eq(test_partition.t2.b, test_partition.t1.a)]", + " ├─HashAgg_23(Build) 15.98 root group by:test_partition.t2.b, funcs:firstrow(test_partition.t2.b)->test_partition.t2.b", + " │ └─TableReader_24 15.98 root partition:p0 data:HashAgg_18", + " │ └─HashAgg_18 15.98 cop[tikv] group by:test_partition.t2.b, ", + " │ └─Selection_22 19.98 cop[tikv] in(test_partition.t2.a, 1, 2), not(isnull(test_partition.t2.b))", + " │ └─TableFullScan_21 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_30(Probe) 9990.00 root partition:all data:Selection_29", + " └─Selection_29 9990.00 cop[tikv] not(isnull(test_partition.t1.a))", + " └─TableFullScan_28 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" ], "IndexPlan": [ - "Sort_11 199.80 root test_partition_1.t1.a", - "└─IndexJoin_17 199.80 root inner join, inner:IndexReader_16, outer key:test_partition_1.t2.b, inner key:test_partition_1.t1.a, equal cond:eq(test_partition_1.t2.b, test_partition_1.t1.a)", - " ├─HashAgg_26(Build) 159.84 root group by:test_partition_1.t2.b, funcs:firstrow(test_partition_1.t2.b)->test_partition_1.t2.b", - " │ └─IndexReader_27 159.84 root partition:p0 index:HashAgg_22", - " │ └─HashAgg_22 159.84 cop[tikv] group by:test_partition_1.t2.b, ", - " │ └─IndexRangeScan_25 199.80 cop[tikv] table:t2, index:a(a, b, id) range:[1 -inf,1 +inf], [2 -inf,2 +inf], keep order:false, stats:pseudo", - " └─IndexReader_16(Probe) 1.25 root partition:all index:Selection_15", - " └─Selection_15 1.25 cop[tikv] not(isnull(test_partition_1.t1.a))", - " └─IndexRangeScan_14 1.25 cop[tikv] table:t1, index:a(a, b, id) range: decided by [eq(test_partition_1.t1.a, test_partition_1.t2.b)], keep order:false, stats:pseudo" + "Sort_12 199.80 root test_partition_1.t1.a", + "└─IndexJoin_19 199.80 root inner join, inner:IndexReader_18, outer key:test_partition_1.t2.b, inner key:test_partition_1.t1.a, equal cond:eq(test_partition_1.t2.b, test_partition_1.t1.a)", + " ├─HashAgg_28(Build) 159.84 root group by:test_partition_1.t2.b, funcs:firstrow(test_partition_1.t2.b)->test_partition_1.t2.b", + " │ └─IndexReader_29 159.84 root partition:p0 index:HashAgg_24", + " │ └─HashAgg_24 159.84 cop[tikv] group by:test_partition_1.t2.b, ", + " │ └─IndexRangeScan_27 199.80 cop[tikv] table:t2, index:a(a, b, id) range:[1 -inf,1 +inf], [2 -inf,2 +inf], keep order:false, stats:pseudo", + " └─IndexReader_18(Probe) 1.25 root partition:all index:Selection_17", + " └─Selection_17 1.25 cop[tikv] not(isnull(test_partition_1.t1.a))", + " └─IndexRangeScan_16 1.25 cop[tikv] table:t1, index:a(a, b, id) range: decided by [eq(test_partition_1.t1.a, test_partition_1.t2.b)], keep order:false, stats:pseudo" ] }, { @@ -1609,27 +1609,27 @@ "2 2 2" ], "Plan": [ - "Sort_11 19.98 root test_partition.t1.a", - "└─HashJoin_15 19.98 root inner join, equal:[eq(test_partition.t1.b, test_partition.t1.a)]", - " ├─HashAgg_21(Build) 15.98 root group by:test_partition.t1.b, funcs:firstrow(test_partition.t1.b)->test_partition.t1.b", - " │ └─TableReader_22 15.98 root partition:p0 data:HashAgg_16", - " │ └─HashAgg_16 15.98 cop[tikv] group by:test_partition.t1.b, ", - " │ └─Selection_20 19.98 cop[tikv] in(test_partition.t1.a, 1, 2), not(isnull(test_partition.t1.b))", - " │ └─TableFullScan_19 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", - " └─TableReader_28(Probe) 9990.00 root partition:all data:Selection_27", - " └─Selection_27 9990.00 cop[tikv] not(isnull(test_partition.t1.a))", - " └─TableFullScan_26 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + "Sort_12 19.98 root test_partition.t1.a", + "└─HashJoin_17 19.98 root inner join, equal:[eq(test_partition.t1.b, test_partition.t1.a)]", + " ├─HashAgg_23(Build) 15.98 root group by:test_partition.t1.b, funcs:firstrow(test_partition.t1.b)->test_partition.t1.b", + " │ └─TableReader_24 15.98 root partition:p0 data:HashAgg_18", + " │ └─HashAgg_18 15.98 cop[tikv] group by:test_partition.t1.b, ", + " │ └─Selection_22 19.98 cop[tikv] in(test_partition.t1.a, 1, 2), not(isnull(test_partition.t1.b))", + " │ └─TableFullScan_21 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo", + " └─TableReader_30(Probe) 9990.00 root partition:all data:Selection_29", + " └─Selection_29 9990.00 cop[tikv] not(isnull(test_partition.t1.a))", + " └─TableFullScan_28 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" ], "IndexPlan": [ - "Sort_11 199.80 root test_partition_1.t1.a", - "└─IndexJoin_17 199.80 root inner join, inner:IndexReader_16, outer key:test_partition_1.t1.b, inner key:test_partition_1.t1.a, equal cond:eq(test_partition_1.t1.b, test_partition_1.t1.a)", - " ├─HashAgg_26(Build) 159.84 root group by:test_partition_1.t1.b, funcs:firstrow(test_partition_1.t1.b)->test_partition_1.t1.b", - " │ └─IndexReader_27 159.84 root partition:p0 index:HashAgg_22", - " │ └─HashAgg_22 159.84 cop[tikv] group by:test_partition_1.t1.b, ", - " │ └─IndexRangeScan_25 199.80 cop[tikv] table:t1, index:a(a, b, id) range:[1 -inf,1 +inf], [2 -inf,2 +inf], keep order:false, stats:pseudo", - " └─IndexReader_16(Probe) 1.25 root partition:all index:Selection_15", - " └─Selection_15 1.25 cop[tikv] not(isnull(test_partition_1.t1.a))", - " └─IndexRangeScan_14 1.25 cop[tikv] table:t1, index:a(a, b, id) range: decided by [eq(test_partition_1.t1.a, test_partition_1.t1.b)], keep order:false, stats:pseudo" + "Sort_12 199.80 root test_partition_1.t1.a", + "└─IndexJoin_19 199.80 root inner join, inner:IndexReader_18, outer key:test_partition_1.t1.b, inner key:test_partition_1.t1.a, equal cond:eq(test_partition_1.t1.b, test_partition_1.t1.a)", + " ├─HashAgg_28(Build) 159.84 root group by:test_partition_1.t1.b, funcs:firstrow(test_partition_1.t1.b)->test_partition_1.t1.b", + " │ └─IndexReader_29 159.84 root partition:p0 index:HashAgg_24", + " │ └─HashAgg_24 159.84 cop[tikv] group by:test_partition_1.t1.b, ", + " │ └─IndexRangeScan_27 199.80 cop[tikv] table:t1, index:a(a, b, id) range:[1 -inf,1 +inf], [2 -inf,2 +inf], keep order:false, stats:pseudo", + " └─IndexReader_18(Probe) 1.25 root partition:all index:Selection_17", + " └─Selection_17 1.25 cop[tikv] not(isnull(test_partition_1.t1.a))", + " └─IndexRangeScan_16 1.25 cop[tikv] table:t1, index:a(a, b, id) range: decided by [eq(test_partition_1.t1.a, test_partition_1.t1.b)], keep order:false, stats:pseudo" ] }, { @@ -1685,22 +1685,22 @@ "5 5 5 6 6 6" ], "Plan": [ - "Projection_7 80.00 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t2.id, test_partition.t2.a, test_partition.t2.b", - "└─HashJoin_9 80.00 root CARTESIAN inner join", - " ├─TableReader_12(Build) 8.00 root partition:p1 data:Selection_11", - " │ └─Selection_11 8.00 cop[tikv] 1, eq(test_partition.t2.b, 6), in(test_partition.t2.a, 6, 7, 8)", - " │ └─TableFullScan_10 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", - " └─TableReader_15(Probe) 10.00 root partition:p0 data:Selection_14", - " └─Selection_14 10.00 cop[tikv] 1, eq(test_partition.t1.a, 5)", - " └─TableFullScan_13 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" + "Projection_9 80.00 root test_partition.t1.id, test_partition.t1.a, test_partition.t1.b, test_partition.t2.id, test_partition.t2.a, test_partition.t2.b", + "└─HashJoin_11 80.00 root CARTESIAN inner join", + " ├─TableReader_14(Build) 8.00 root partition:p1 data:Selection_13", + " │ └─Selection_13 8.00 cop[tikv] 1, eq(test_partition.t2.b, 6), in(test_partition.t2.a, 6, 7, 8)", + " │ └─TableFullScan_12 10000.00 cop[tikv] table:t2 keep order:false, stats:pseudo", + " └─TableReader_17(Probe) 10.00 root partition:p0 data:Selection_16", + " └─Selection_16 10.00 cop[tikv] 1, eq(test_partition.t1.a, 5)", + " └─TableFullScan_15 10000.00 cop[tikv] table:t1 keep order:false, stats:pseudo" ], "IndexPlan": [ - "Projection_7 300.00 root test_partition_1.t1.id, test_partition_1.t1.a, test_partition_1.t1.b, test_partition_1.t2.id, test_partition_1.t2.a, test_partition_1.t2.b", - "└─HashJoin_9 300.00 root CARTESIAN inner join", - " ├─IndexReader_11(Build) 3.00 root partition:p1 index:IndexRangeScan_10", - " │ └─IndexRangeScan_10 3.00 cop[tikv] table:t2, index:a(a, b, id) range:[6 6 NULL,6 6 +inf], [7 6 NULL,7 6 +inf], [8 6 NULL,8 6 +inf], keep order:false, stats:pseudo", - " └─IndexReader_13(Probe) 100.00 root partition:p0 index:IndexRangeScan_12", - " └─IndexRangeScan_12 100.00 cop[tikv] table:t1, index:a(a, b, id) range:[5 NULL,5 +inf], keep order:false, stats:pseudo" + "Projection_9 300.00 root test_partition_1.t1.id, test_partition_1.t1.a, test_partition_1.t1.b, test_partition_1.t2.id, test_partition_1.t2.a, test_partition_1.t2.b", + "└─HashJoin_11 300.00 root CARTESIAN inner join", + " ├─IndexReader_13(Build) 3.00 root partition:p1 index:IndexRangeScan_12", + " │ └─IndexRangeScan_12 3.00 cop[tikv] table:t2, index:a(a, b, id) range:[6 6 NULL,6 6 +inf], [7 6 NULL,7 6 +inf], [8 6 NULL,8 6 +inf], keep order:false, stats:pseudo", + " └─IndexReader_15(Probe) 100.00 root partition:p0 index:IndexRangeScan_14", + " └─IndexRangeScan_14 100.00 cop[tikv] table:t1, index:a(a, b, id) range:[5 NULL,5 +inf], keep order:false, stats:pseudo" ] }, { diff --git a/planner/core/testdata/plan_suite_unexported_out.json b/planner/core/testdata/plan_suite_unexported_out.json index 5cd8b648a930e..74f7b8e797e31 100644 --- a/planner/core/testdata/plan_suite_unexported_out.json +++ b/planner/core/testdata/plan_suite_unexported_out.json @@ -947,10 +947,10 @@ "Name": "TestJoinReOrder", "Cases": [ "Join{Join{Join{Join{DataScan(t1)->DataScan(t2)}(test.t.a,test.t.b)->DataScan(t3)}(test.t.a,test.t.b)->DataScan(t4)}(test.t.c,test.t.a)(test.t.c,test.t.d)->Join{DataScan(t5)->DataScan(t6)}(test.t.d,test.t.d)}->Projection", - "Join{Join{Join{Join{DataScan(t1)->DataScan(t8)}(test.t.a,test.t.a)->DataScan(t2)}->Join{DataScan(t3)->DataScan(t4)}}->Join{Join{DataScan(t5)->DataScan(t6)}->DataScan(t7)}}->Projection", - "Join{Join{Join{Join{DataScan(t5)->DataScan(t1)}(test.t.a,test.t.a)->DataScan(t2)}(test.t.a,test.t.a)->DataScan(t3)}(test.t.a,test.t.a)(test.t.a,test.t.a)->DataScan(t4)}(test.t.a,test.t.a)(test.t.a,test.t.a)(test.t.a,test.t.a)->Projection", - "Join{Join{Join{DataScan(t3)->DataScan(t1)}->Join{DataScan(t2)->DataScan(t4)}}->DataScan(t5)}->Projection", - "Apply{DataScan(o)->Join{Join{DataScan(t1)->DataScan(t3)}(test.t.a,test.t.a)->DataScan(t2)}(test.t.a,test.t.a)->Projection}->Projection", + "Join{Join{Join{Join{DataScan(t1)->DataScan(t8)}(test.t.a,test.t.a)->DataScan(t2)}->Join{DataScan(t3)->DataScan(t4)}}->Join{Join{DataScan(t5)->DataScan(t6)}->DataScan(t7)}}->Projection->Projection", + "Join{Join{Join{Join{DataScan(t5)->DataScan(t1)}(test.t.a,test.t.a)->DataScan(t2)}(test.t.a,test.t.a)->DataScan(t3)}(test.t.a,test.t.a)(test.t.a,test.t.a)->DataScan(t4)}(test.t.a,test.t.a)(test.t.a,test.t.a)(test.t.a,test.t.a)->Projection->Projection", + "Join{Join{Join{DataScan(t3)->DataScan(t1)}->Join{DataScan(t2)->DataScan(t4)}}->DataScan(t5)}->Projection->Projection", + "Apply{DataScan(o)->Join{Join{DataScan(t1)->DataScan(t3)}(test.t.a,test.t.a)->DataScan(t2)}(test.t.a,test.t.a)->Projection->Projection}->Projection", "Apply{DataScan(o)->Join{Join{DataScan(t1)->DataScan(t2)}->DataScan(t3)}->Projection}->Projection" ] }, diff --git a/planner/core/testdata/point_get_plan_out.json b/planner/core/testdata/point_get_plan_out.json index bb35328b747e7..6b73e36437a2e 100644 --- a/planner/core/testdata/point_get_plan_out.json +++ b/planner/core/testdata/point_get_plan_out.json @@ -45,11 +45,11 @@ { "SQL": "select * from t t1 join t t2 on t1.a = t2.a where t1.a = '4' and (t2.b, t2.c) in ((1,1),(2,2))", "Plan": [ - "Projection_7 0.00 root test.t.a, test.t.b, test.t.c, test.t.d, test.t.a, test.t.b, test.t.c, test.t.d", - "└─HashJoin_9 0.00 root CARTESIAN inner join", - " ├─Selection_11(Build) 0.00 root or(and(eq(test.t.b, 1), eq(test.t.c, 1)), and(eq(test.t.b, 2), eq(test.t.c, 2)))", - " │ └─Point_Get_10 1.00 root table:t, index:PRIMARY(a) ", - " └─Point_Get_12(Probe) 1.00 root table:t, index:PRIMARY(a) " + "Projection_9 0.00 root test.t.a, test.t.b, test.t.c, test.t.d, test.t.a, test.t.b, test.t.c, test.t.d", + "└─HashJoin_11 0.00 root CARTESIAN inner join", + " ├─Selection_13(Build) 0.00 root or(and(eq(test.t.b, 1), eq(test.t.c, 1)), and(eq(test.t.b, 2), eq(test.t.c, 2)))", + " │ └─Point_Get_12 1.00 root table:t, index:PRIMARY(a) ", + " └─Point_Get_14(Probe) 1.00 root table:t, index:PRIMARY(a) " ], "Res": [ "4 1 1 4 4 1 1 4" From f8bef9b952e9a5e5679f6c38c374727e18630234 Mon Sep 17 00:00:00 2001 From: Song Gao Date: Thu, 31 Dec 2020 16:28:33 +0800 Subject: [PATCH 0598/1021] session, distsql: make local transaction error msg user-friendly (#22052) --- ddl/placement_sql_test.go | 2 +- distsql/request_builder.go | 32 +++++++++++++++++++++-------- session/session.go | 37 ++++++++++++++++++++++++++-------- sessionctx/variable/session.go | 4 ++-- 4 files changed, 56 insertions(+), 19 deletions(-) diff --git a/ddl/placement_sql_test.go b/ddl/placement_sql_test.go index ffabd62704883..919be371c62c5 100644 --- a/ddl/placement_sql_test.go +++ b/ddl/placement_sql_test.go @@ -448,7 +448,7 @@ PARTITION BY RANGE (c) ( name: "insert into PARTITION p1 with local txnScope", sql: "insert into t1 (c) values (10)", txnScope: "bj", - err: fmt.Errorf(".*don't have placement policies with txn_scope.*"), + err: fmt.Errorf(".*doesn't have placement policies with txn_scope.*"), }, { name: "insert into PARTITION p1 with global txnScope", diff --git a/distsql/request_builder.go b/distsql/request_builder.go index b7df616cb592c..71f7c8b05dffd 100644 --- a/distsql/request_builder.go +++ b/distsql/request_builder.go @@ -40,7 +40,7 @@ type RequestBuilder struct { kv.Request // txnScope indicates the value of txn_scope txnScope string - bundles map[string]*placement.Bundle + is infoschema.InfoSchema err error } @@ -263,7 +263,7 @@ func (builder *RequestBuilder) SetFromInfoSchema(is infoschema.InfoSchema) *Requ if is == nil { return builder } - builder.bundles = is.RuleBundles() + builder.is = is return builder } @@ -271,23 +271,39 @@ func (builder *RequestBuilder) verifyTxnScope() error { if builder.txnScope == "" { builder.txnScope = oracle.GlobalTxnScope } - if builder.txnScope == oracle.GlobalTxnScope || len(builder.bundles) < 1 { + if builder.txnScope == oracle.GlobalTxnScope || builder.is == nil { return nil } - visitTableID := make(map[int64]struct{}) + visitPhysicalTableID := make(map[int64]struct{}) for _, keyRange := range builder.Request.KeyRanges { tableID := tablecodec.DecodeTableID(keyRange.StartKey) if tableID > 0 { - visitTableID[tableID] = struct{}{} + visitPhysicalTableID[tableID] = struct{}{} } else { return errors.New("requestBuilder can't decode tableID from keyRange") } } - for tableID := range visitTableID { - valid := VerifyTxnScope(builder.txnScope, tableID, builder.bundles) + bundles := builder.is.RuleBundles() + for phyTableID := range visitPhysicalTableID { + valid := VerifyTxnScope(builder.txnScope, phyTableID, bundles) if !valid { - return fmt.Errorf("table %v can not be read by %v txn_scope", tableID, builder.txnScope) + var tblName string + var partName string + tblInfo, _, partInfo := builder.is.FindTableByPartitionID(phyTableID) + if tblInfo != nil && partInfo != nil { + tblName = tblInfo.Meta().Name.String() + partName = partInfo.Name.String() + } else { + tblInfo, _ = builder.is.TableByID(phyTableID) + tblName = tblInfo.Meta().Name.String() + } + err := fmt.Errorf("table %v can not be read by %v txn_scope", tblName, builder.txnScope) + if len(partName) > 0 { + err = fmt.Errorf("table %v's partition %v can not be read by %v txn_scope", + tblName, partName, builder.txnScope) + } + return err } } return nil diff --git a/session/session.go b/session/session.go index e68349518f84a..38bc00b801957 100644 --- a/session/session.go +++ b/session/session.go @@ -2554,22 +2554,43 @@ func (s *session) checkPlacementPolicyBeforeCommit() error { is := infoschema.GetInfoSchema(s) deltaMap := s.GetSessionVars().TxnCtx.TableDeltaMap for physicalTableID := range deltaMap { + var tableName string + var partitionName string + tblInfo, _, partInfo := is.FindTableByPartitionID(physicalTableID) + if tblInfo != nil && partInfo != nil { + tableName = tblInfo.Meta().Name.String() + partitionName = partInfo.Name.String() + } else { + tblInfo, _ := is.TableByID(physicalTableID) + tableName = tblInfo.Meta().Name.String() + } bundle, ok := is.BundleByName(placement.GroupID(physicalTableID)) if !ok { - err = ddl.ErrInvalidPlacementPolicyCheck.GenWithStackByArgs( - fmt.Sprintf("table or partition %v don't have placement policies with txn_scope %v", - physicalTableID, txnScope)) + errMsg := fmt.Sprintf("table %v doesn't have placement policies with txn_scope %v", + tableName, txnScope) + if len(partitionName) > 0 { + errMsg = fmt.Sprintf("table %v's partition %v doesn't have placement policies with txn_scope %v", + tableName, partitionName, txnScope) + } + err = ddl.ErrInvalidPlacementPolicyCheck.GenWithStackByArgs(errMsg) break } dcLocation, ok := placement.GetLeaderDCByBundle(bundle, placement.DCLabelKey) if !ok { - err = ddl.ErrInvalidPlacementPolicyCheck.GenWithStackByArgs( - fmt.Sprintf("table or partition %v's leader placement policy is not defined", physicalTableID)) + errMsg := fmt.Sprintf("table %v's leader placement policy is not defined", tableName) + if len(partitionName) > 0 { + errMsg = fmt.Sprintf("table %v's partition %v's leader placement policy is not defined", tableName, partitionName) + } + err = ddl.ErrInvalidPlacementPolicyCheck.GenWithStackByArgs(errMsg) break } if dcLocation != txnScope { - err = ddl.ErrInvalidPlacementPolicyCheck.GenWithStackByArgs( - fmt.Sprintf("table or partition %v's leader location %v is out of txn_scope %v", physicalTableID, dcLocation, txnScope)) + errMsg := fmt.Sprintf("table %v's leader location %v is out of txn_scope %v", tableName, dcLocation, txnScope) + if len(partitionName) > 0 { + errMsg = fmt.Sprintf("table %v's partition %v's leader location %v is out of txn_scope %v", + tableName, partitionName, dcLocation, txnScope) + } + err = ddl.ErrInvalidPlacementPolicyCheck.GenWithStackByArgs(errMsg) break } // FIXME: currently we assume the physicalTableID is the partition ID. In future, we should consider the situation @@ -2581,7 +2602,7 @@ func (s *session) checkPlacementPolicyBeforeCommit() error { state := tblInfo.Partition.GetStateByID(partitionID) if state == model.StateGlobalTxnOnly { err = ddl.ErrInvalidPlacementPolicyCheck.GenWithStackByArgs( - fmt.Sprintf("Partition %s of table %s can not be written by local transactions when its placement policy is being altered", + fmt.Sprintf("partition %s of table %s can not be written by local transactions when its placement policy is being altered", tblInfo.Name, partitionDefInfo.Name)) break } diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 26b7dbf70ea02..b7e9464b91b67 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -145,8 +145,8 @@ type TransactionContext struct { shardRand *rand.Rand // TableDeltaMap is used in the schema validator for DDL changes in one table not to block others. - // It's also used in the statistias updating. - // Note: for the partitionted table, it stores all the partition IDs. + // It's also used in the statistics updating. + // Note: for the partitioned table, it stores all the partition IDs. TableDeltaMap map[int64]TableDelta // unchangedRowKeys is used to store the unchanged rows that needs to lock for pessimistic transaction. From 56ef0ab2a611f37ed33cab2a8a7f83471f2954f5 Mon Sep 17 00:00:00 2001 From: crazycs Date: Thu, 31 Dec 2020 17:35:15 +0800 Subject: [PATCH 0599/1021] executor: improve the runtime stats of index lookup reader (#21982) Signed-off-by: crazycs520 --- executor/distsql.go | 66 ++++++++++++++++++++++----------------- executor/distsql_test.go | 14 +++++---- executor/executor_test.go | 2 +- 3 files changed, 46 insertions(+), 36 deletions(-) diff --git a/executor/distsql.go b/executor/distsql.go index b8d4e0caf2e9f..32da2d7fe3e5c 100644 --- a/executor/distsql.go +++ b/executor/distsql.go @@ -436,7 +436,6 @@ func (e *IndexLookUpExecutor) Open(ctx context.Context) error { e.feedback.Invalidate() return err } - e.initRuntimeStats() err = e.open(ctx) if err != nil { e.feedback.Invalidate() @@ -449,6 +448,7 @@ func (e *IndexLookUpExecutor) open(ctx context.Context) error { // instead of in function "Open", because this "IndexLookUpExecutor" may be // constructed by a "IndexLookUpJoin" and "Open" will not be called in that // situation. + e.initRuntimeStats() e.memTracker = memory.NewTracker(e.id, -1) e.memTracker.AttachTo(e.ctx.GetSessionVars().StmtCtx.MemTracker) @@ -694,10 +694,8 @@ func (e *IndexLookUpExecutor) initRuntimeStats() { if e.runtimeStats != nil { if e.stats == nil { e.stats = &IndexLookUpRunTimeStats{ - IndexScan: 0, - TableRowScan: 0, - TableTaskNum: 0, - Concurrency: e.ctx.GetSessionVars().IndexLookupConcurrency(), + indexScanBasicStats: &execdetails.BasicRuntimeStats{}, + Concurrency: e.ctx.GetSessionVars().IndexLookupConcurrency(), } e.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.RegisterStats(e.id, e.stats) } @@ -761,16 +759,15 @@ func (w *indexWorker) fetchHandles(ctx context.Context, result distsql.SelectRes retTps := w.idxLookup.getRetTpsByHandle() chk := chunk.NewChunkWithCapacity(retTps, w.idxLookup.maxChunkSize) idxID := w.idxLookup.getIndexPlanRootID() - var basicStats *execdetails.BasicRuntimeStats if w.idxLookup.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl != nil { - if idxID != w.idxLookup.id { - basicStats = &execdetails.BasicRuntimeStats{} - w.idxLookup.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.RegisterStats(idxID, basicStats) + if idxID != w.idxLookup.id && w.idxLookup.stats != nil { + w.idxLookup.ctx.GetSessionVars().StmtCtx.RuntimeStatsColl.RegisterStats(idxID, w.idxLookup.stats.indexScanBasicStats) } } for { startTime := time.Now() handles, retChunk, scannedKeys, err := w.extractTaskHandles(ctx, chk, result, count) + finishFetch := time.Now() if err != nil { doneCh := make(chan error, 1) doneCh <- err @@ -784,9 +781,7 @@ func (w *indexWorker) fetchHandles(ctx context.Context, result distsql.SelectRes return count, nil } task := w.buildTableTask(handles, retChunk) - if w.idxLookup.stats != nil { - atomic.AddInt64(&w.idxLookup.stats.IndexScan, int64(time.Since(startTime))) - } + finishBuild := time.Now() select { case <-ctx.Done(): return count, nil @@ -795,8 +790,10 @@ func (w *indexWorker) fetchHandles(ctx context.Context, result distsql.SelectRes case w.workCh <- task: w.resultCh <- task } - if basicStats != nil { - basicStats.Record(time.Since(startTime), chk.NumRows()) + if w.idxLookup.stats != nil { + atomic.AddInt64(&w.idxLookup.stats.FetchHandle, int64(finishFetch.Sub(startTime))) + atomic.AddInt64(&w.idxLookup.stats.TaskWait, int64(time.Since(finishBuild))) + atomic.AddInt64(&w.idxLookup.stats.FetchHandleTotal, int64(time.Since(startTime))) } } } @@ -829,10 +826,14 @@ func (w *indexWorker) extractTaskHandles(ctx context.Context, chk *chunk.Chunk, } } chk.SetRequiredRows(requiredRows, w.maxChunkSize) + startTime := time.Now() err = errors.Trace(idxResult.Next(ctx, chk)) if err != nil { return handles, nil, scannedKeys, err } + if w.idxLookup.stats != nil { + w.idxLookup.stats.indexScanBasicStats.Record(time.Since(startTime), chk.NumRows()) + } if chk.NumRows() == 0 { return handles, retChk, scannedKeys, nil } @@ -1002,39 +1003,44 @@ func (e *IndexLookUpExecutor) getHandle(row chunk.Row, handleIdx []int, // IndexLookUpRunTimeStats record the indexlookup runtime stat type IndexLookUpRunTimeStats struct { - IndexScan int64 - TableRowScan int64 - TableTaskNum int64 - Concurrency int + // indexScanBasicStats uses to record basic runtime stats for index scan. + indexScanBasicStats *execdetails.BasicRuntimeStats + FetchHandleTotal int64 + FetchHandle int64 + TaskWait int64 + TableRowScan int64 + TableTaskNum int64 + Concurrency int } func (e *IndexLookUpRunTimeStats) String() string { var buf bytes.Buffer - indexScan := atomic.LoadInt64(&e.IndexScan) + fetchHandle := atomic.LoadInt64(&e.FetchHandleTotal) + indexScan := atomic.LoadInt64(&e.FetchHandle) + taskWait := atomic.LoadInt64(&e.TaskWait) tableScan := atomic.LoadInt64(&e.TableRowScan) tableTaskNum := atomic.LoadInt64(&e.TableTaskNum) concurrency := e.Concurrency if indexScan != 0 { - buf.WriteString(fmt.Sprintf("index_task: %s", execdetails.FormatDuration(time.Duration(indexScan)))) + buf.WriteString(fmt.Sprintf("index_task: {total_time: %s, fetch_handle: %s, build: %s, wait: %s}", + execdetails.FormatDuration(time.Duration(fetchHandle)), + execdetails.FormatDuration(time.Duration(indexScan)), + execdetails.FormatDuration(time.Duration(fetchHandle-indexScan-taskWait)), + execdetails.FormatDuration(time.Duration(taskWait)))) } if tableScan != 0 { if buf.Len() > 0 { buf.WriteByte(',') } - buf.WriteString(fmt.Sprintf(" table_task: {num: %d, concurrency: %d, time: %s}", tableTaskNum, concurrency, execdetails.FormatDuration(time.Duration(tableScan)))) + buf.WriteString(fmt.Sprintf(" table_task: {total_time: %v, num: %d, concurrency: %d}", execdetails.FormatDuration(time.Duration(tableScan)), tableTaskNum, concurrency)) } return buf.String() } // Clone implements the RuntimeStats interface. func (e *IndexLookUpRunTimeStats) Clone() execdetails.RuntimeStats { - newRs := &IndexLookUpRunTimeStats{ - IndexScan: e.IndexScan, - TableRowScan: e.TableRowScan, - TableTaskNum: e.TableTaskNum, - Concurrency: e.Concurrency, - } - return newRs + newRs := *e + return &newRs } // Merge implements the RuntimeStats interface. @@ -1043,7 +1049,9 @@ func (e *IndexLookUpRunTimeStats) Merge(other execdetails.RuntimeStats) { if !ok { return } - e.IndexScan += tmp.IndexScan + e.FetchHandleTotal += tmp.FetchHandleTotal + e.FetchHandle += tmp.FetchHandle + e.TaskWait += tmp.TaskWait e.TableRowScan += tmp.TableRowScan e.TableTaskNum += tmp.TableTaskNum e.Concurrency += tmp.Concurrency diff --git a/executor/distsql_test.go b/executor/distsql_test.go index 5a48d2e69a621..e8116d8a85c5f 100644 --- a/executor/distsql_test.go +++ b/executor/distsql_test.go @@ -259,15 +259,17 @@ func (s *testSuite3) TestPushLimitDownIndexLookUpReader(c *C) { func (s *testSuite3) TestIndexLookUpStats(c *C) { stats := &executor.IndexLookUpRunTimeStats{ - IndexScan: int64(2 * time.Second), - TableRowScan: int64(2 * time.Second), - TableTaskNum: 2, - Concurrency: 1, + FetchHandleTotal: int64(5 * time.Second), + FetchHandle: int64(2 * time.Second), + TaskWait: int64(2 * time.Second), + TableRowScan: int64(2 * time.Second), + TableTaskNum: 2, + Concurrency: 1, } - c.Assert(stats.String(), Equals, "index_task: 2s, table_task: {num: 2, concurrency: 1, time: 2s}") + c.Assert(stats.String(), Equals, "index_task: {total_time: 5s, fetch_handle: 2s, build: 1s, wait: 2s}, table_task: {total_time: 2s, num: 2, concurrency: 1}") c.Assert(stats.String(), Equals, stats.Clone().String()) stats.Merge(stats.Clone()) - c.Assert(stats.String(), Equals, "index_task: 4s, table_task: {num: 4, concurrency: 2, time: 4s}") + c.Assert(stats.String(), Equals, "index_task: {total_time: 10s, fetch_handle: 4s, build: 2s, wait: 4s}, table_task: {total_time: 4s, num: 4, concurrency: 2}") } func (s *testSuite3) TestIndexLookUpGetResultChunk(c *C) { diff --git a/executor/executor_test.go b/executor/executor_test.go index 27382a64d3d9c..44ea606ed40ca 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6685,7 +6685,7 @@ func (s *testSerialSuite1) TestIndexLookupRuntimeStats(c *C) { rows := tk.MustQuery(sql).Rows() c.Assert(len(rows), Equals, 3) explain := fmt.Sprintf("%v", rows[0]) - c.Assert(explain, Matches, ".*time:.*loops:.*index_task:.*table_task: {num.*concurrency.*time.*}.*") + c.Assert(explain, Matches, ".*time:.*loops:.*index_task:.*table_task: {total_time.*num.*concurrency.*}.*") indexExplain := fmt.Sprintf("%v", rows[1]) tableExplain := fmt.Sprintf("%v", rows[2]) c.Assert(indexExplain, Matches, ".*time:.*loops:.*cop_task:.*") From eae64e40fee5976dc8d22ab5ad27b3f0cdba8a67 Mon Sep 17 00:00:00 2001 From: Song Gao Date: Thu, 31 Dec 2020 22:08:14 +0800 Subject: [PATCH 0600/1021] executor: support exact staleness begin statement (#21897) --- executor/executor_test.go | 61 ++++++++++++++++++++++++++++++++++ executor/simple.go | 55 +++++++++++++++++++++++++++++- kv/interface_mock_test.go | 5 +++ kv/kv.go | 4 +++ session/session.go | 51 ++++++++++++++++++++++++++++ sessionctx/context.go | 11 ++++++ sessionctx/variable/session.go | 9 +++-- store/tikv/kv.go | 21 ++++++++++++ store/tikv/txn.go | 9 +++++ util/mock/context.go | 5 +++ util/mock/store.go | 5 +++ 11 files changed, 232 insertions(+), 4 deletions(-) diff --git a/executor/executor_test.go b/executor/executor_test.go index 44ea606ed40ca..df524954fec68 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -7383,3 +7383,64 @@ func (s *testSuite) TestIssue15563(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustQuery("select distinct 0.7544678906163867 / 0.68234634;").Check(testkit.Rows("1.10569639842486251190")) } + +func (s *testSuite) TestStalenessTransaction(c *C) { + testcases := []struct { + name string + preSQL string + sql string + IsStaleness bool + expectPhysicalTS int64 + preSec int64 + }{ + { + name: "TimestampBoundReadTimestamp", + preSQL: "begin", + sql: `START TRANSACTION READ ONLY WITH TIMESTAMP BOUND READ TIMESTAMP '2020-09-06 00:00:00';`, + IsStaleness: true, + expectPhysicalTS: 1599321600000, + }, + { + name: "TimestampBoundExactStaleness", + preSQL: "begin", + sql: `START TRANSACTION READ ONLY WITH TIMESTAMP BOUND EXACT STALENESS '00:00:20';`, + IsStaleness: true, + preSec: 20, + }, + { + name: "TimestampBoundExactStaleness", + preSQL: `START TRANSACTION READ ONLY WITH TIMESTAMP BOUND READ TIMESTAMP '2020-09-06 00:00:00';`, + sql: `START TRANSACTION READ ONLY WITH TIMESTAMP BOUND EXACT STALENESS '00:00:20';`, + IsStaleness: true, + preSec: 20, + }, + { + name: "begin", + preSQL: `START TRANSACTION READ ONLY WITH TIMESTAMP BOUND READ TIMESTAMP '2020-09-06 00:00:00';`, + sql: "begin", + IsStaleness: false, + }, + } + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + for _, testcase := range testcases { + c.Log(testcase.name) + tk.MustExec(testcase.preSQL) + tk.MustExec(testcase.sql) + if testcase.expectPhysicalTS > 0 { + c.Assert(oracle.ExtractPhysical(tk.Se.GetSessionVars().TxnCtx.StartTS), Equals, testcase.expectPhysicalTS) + } else if testcase.preSec > 0 { + curSec := time.Now().Unix() + startTS := oracle.ExtractPhysical(tk.Se.GetSessionVars().TxnCtx.StartTS) + c.Assert(startTS, Greater, (curSec-testcase.preSec-2)*1000) + c.Assert(startTS, Less, (curSec-testcase.preSec+2)*1000) + } else if !testcase.IsStaleness { + curSec := time.Now().Unix() + startTS := oracle.ExtractPhysical(tk.Se.GetSessionVars().TxnCtx.StartTS) + c.Assert(curSec*1000-startTS, Less, time.Second/time.Millisecond) + c.Assert(startTS-curSec*1000, Less, time.Second/time.Millisecond) + } + c.Assert(tk.Se.GetSessionVars().TxnCtx.IsStaleness, Equals, testcase.IsStaleness) + tk.MustExec("commit") + } +} diff --git a/executor/simple.go b/executor/simple.go index dd999892efd84..665be9061eac8 100644 --- a/executor/simple.go +++ b/executor/simple.go @@ -37,7 +37,10 @@ import ( "github.com/pingcap/tidb/privilege" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/sessionctx/variable" + "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/table" + "github.com/pingcap/tidb/types" + driver "github.com/pingcap/tidb/types/parser_driver" "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/dbterror" @@ -557,10 +560,17 @@ func (e *SimpleExec) executeUse(s *ast.UseStmt) error { } func (e *SimpleExec) executeBegin(ctx context.Context, s *ast.BeginStmt) error { + // If `START TRANSACTION READ ONLY WITH TIMESTAMP BOUND` is the first statement in TxnCtx, we should + // always create a new Txn instead of reusing it. + if s.ReadOnly && s.Bound != nil { + return e.executeStartTransactionReadOnlyWithTimestampBound(ctx, s) + } // If BEGIN is the first statement in TxnCtx, we can reuse the existing transaction, without the // need to call NewTxn, which commits the existing transaction and begins a new one. + // If the last un-committed/un-rollback transaction is a time-bounded read-only transaction, we should + // always create a new transaction. txnCtx := e.ctx.GetSessionVars().TxnCtx - if txnCtx.History != nil { + if txnCtx.History != nil || txnCtx.IsStaleness { err := e.ctx.NewTxn(ctx) if err != nil { return err @@ -588,6 +598,49 @@ func (e *SimpleExec) executeBegin(ctx context.Context, s *ast.BeginStmt) error { return nil } +func (e *SimpleExec) executeStartTransactionReadOnlyWithTimestampBound(ctx context.Context, s *ast.BeginStmt) error { + opt := sessionctx.StalenessTxnOption{} + opt.Mode = s.Bound.Mode + switch s.Bound.Mode { + case ast.TimestampBoundReadTimestamp: + // TODO: support funcCallExpr in future + v, ok := s.Bound.Timestamp.(*driver.ValueExpr) + if !ok { + return errors.New("Invalid value for Bound Timestamp") + } + t, err := types.ParseTime(e.ctx.GetSessionVars().StmtCtx, v.GetString(), v.GetType().Tp, types.GetFsp(v.GetString())) + if err != nil { + return err + } + gt, err := t.GoTime(e.ctx.GetSessionVars().TimeZone) + if err != nil { + return err + } + startTS := oracle.ComposeTS(gt.Unix()*1000, 0) + opt.StartTS = startTS + case ast.TimestampBoundExactStaleness: + // TODO: support funcCallExpr in future + v, ok := s.Bound.Timestamp.(*driver.ValueExpr) + if !ok { + return errors.New("Invalid value for Bound Timestamp") + } + d, err := types.ParseDuration(e.ctx.GetSessionVars().StmtCtx, v.GetString(), types.GetFsp(v.GetString())) + if err != nil { + return err + } + opt.PrevSec = uint64(d.Seconds()) + } + err := e.ctx.NewTxnWithStalenessOption(ctx, opt) + if err != nil { + return err + } + // With START TRANSACTION, autocommit remains disabled until you end + // the transaction with COMMIT or ROLLBACK. The autocommit mode then + // reverts to its previous state. + e.ctx.GetSessionVars().SetStatusFlag(mysql.ServerStatusInTrans, true) + return nil +} + func (e *SimpleExec) executeRevokeRole(s *ast.RevokeRoleStmt) error { for _, role := range s.Roles { exists, err := userExists(e.ctx, role.Username, role.Hostname) diff --git a/kv/interface_mock_test.go b/kv/interface_mock_test.go index 348a37b72901a..c2114bd1e722a 100644 --- a/kv/interface_mock_test.go +++ b/kv/interface_mock_test.go @@ -162,6 +162,11 @@ func (s *mockStorage) BeginWithStartTS(txnScope string, startTS uint64) (Transac return s.Begin() } +// BeginWithExactStaleness begins transaction with given exact staleness +func (s *mockStorage) BeginWithExactStaleness(txnScope string, prevSec uint64) (Transaction, error) { + return s.Begin() +} + func (s *mockStorage) GetSnapshot(ver Version) Snapshot { return &mockSnapshot{ store: newMemDB(), diff --git a/kv/kv.go b/kv/kv.go index c43435d0e5210..b46f2b0a1e959 100644 --- a/kv/kv.go +++ b/kv/kv.go @@ -66,6 +66,8 @@ const ( GuaranteeExternalConsistency // TxnScope indicates which @@txn_scope this transaction will work with. TxnScope + // StalenessReadOnly indicates whether the transaction is staleness read only transaction + IsStalenessReadOnly ) // Priority value for transaction priority. @@ -464,6 +466,8 @@ type Storage interface { BeginWithTxnScope(txnScope string) (Transaction, error) // BeginWithStartTS begins transaction with given txnScope and startTS. BeginWithStartTS(txnScope string, startTS uint64) (Transaction, error) + // BeginWithStalenessTS begins transaction with given staleness + BeginWithExactStaleness(txnScope string, prevSec uint64) (Transaction, error) // GetSnapshot gets a snapshot that is able to read any data which data is <= ver. // if ver is MaxVersion or > current max committed version, we will use current version for this snapshot. GetSnapshot(ver Version) Snapshot diff --git a/session/session.go b/session/session.go index 38bc00b801957..2d2d17c383745 100644 --- a/session/session.go +++ b/session/session.go @@ -1651,6 +1651,7 @@ func (s *session) NewTxn(ctx context.Context) error { CreateTime: time.Now(), StartTS: txn.StartTS(), ShardStep: int(s.sessionVars.ShardAllocateStep), + IsStaleness: false, TxnScope: s.sessionVars.CheckAndGetTxnScope(), } return nil @@ -2462,6 +2463,56 @@ func (s *session) InitTxnWithStartTS(startTS uint64) error { return nil } +// NewTxnWithStalenessOption create a transaction with Staleness option +func (s *session) NewTxnWithStalenessOption(ctx context.Context, option sessionctx.StalenessTxnOption) error { + if s.txn.Valid() { + txnID := s.txn.StartTS() + txnScope := s.txn.GetUnionStore().GetOption(kv.TxnScope).(string) + err := s.CommitTxn(ctx) + if err != nil { + return err + } + vars := s.GetSessionVars() + logutil.Logger(ctx).Info("InitTxnWithExactStaleness() inside a transaction auto commit", + zap.Int64("schemaVersion", vars.TxnCtx.SchemaVersion), + zap.Uint64("txnStartTS", txnID), + zap.String("txnScope", txnScope)) + } + var txn kv.Transaction + var err error + txnScope := s.GetSessionVars().TxnScope + switch option.Mode { + case ast.TimestampBoundReadTimestamp: + txn, err = s.store.BeginWithStartTS(txnScope, option.StartTS) + if err != nil { + return err + } + case ast.TimestampBoundExactStaleness: + txn, err = s.store.BeginWithExactStaleness(txnScope, option.PrevSec) + if err != nil { + return err + } + default: + // For unsupported staleness txn cases, fallback to NewTxn + return s.NewTxn(ctx) + } + txn.SetVars(s.sessionVars.KVVars) + txn.SetOption(kv.IsStalenessReadOnly, true) + txn.SetOption(kv.TxnScope, txnScope) + s.txn.changeInvalidToValid(txn) + is := domain.GetDomain(s).InfoSchema() + s.sessionVars.TxnCtx = &variable.TransactionContext{ + InfoSchema: is, + SchemaVersion: is.SchemaMetaVersion(), + CreateTime: time.Now(), + StartTS: txn.StartTS(), + ShardStep: int(s.sessionVars.ShardAllocateStep), + IsStaleness: true, + TxnScope: txnScope, + } + return nil +} + // GetStore gets the store of session. func (s *session) GetStore() kv.Storage { return s.store diff --git a/sessionctx/context.go b/sessionctx/context.go index ea0e8cf2c410c..f720a1bcd044c 100644 --- a/sessionctx/context.go +++ b/sessionctx/context.go @@ -17,6 +17,7 @@ import ( "context" "fmt" + "github.com/pingcap/parser/ast" "github.com/pingcap/parser/model" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/owner" @@ -71,6 +72,9 @@ type Context interface { // It should be called right before we builds an executor. InitTxnWithStartTS(startTS uint64) error + // NewTxnWithStalenessOption initializes a transaction with StalenessTxnOption + NewTxnWithStalenessOption(ctx context.Context, option StalenessTxnOption) error + // GetStore returns the store of session. GetStore() kv.Storage @@ -144,3 +148,10 @@ var ConnID = connIDCtxKeyType{} func SetCommitCtx(ctx context.Context, sessCtx Context) context.Context { return context.WithValue(ctx, ConnID, sessCtx.GetSessionVars().ConnectionID) } + +// StalenessTxnOption represents available options for the InitTxnWithStaleness +type StalenessTxnOption struct { + Mode ast.TimestampBoundMode + PrevSec uint64 + StartTS uint64 +} diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index b7e9464b91b67..cafb9bc6b79ef 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -162,9 +162,11 @@ type TransactionContext struct { StatementCount int CouldRetry bool IsPessimistic bool - Isolation string - LockExpire uint32 - ForUpdate uint32 + // IsStaleness indicates whether the txn is read only staleness txn. + IsStaleness bool + Isolation string + LockExpire uint32 + ForUpdate uint32 // TxnScope indicates the value of txn_scope TxnScope string @@ -268,6 +270,7 @@ func (tc *TransactionContext) Cleanup() { tc.TableDeltaMap = nil tc.tdmLock.Unlock() tc.pessimisticLockCache = nil + tc.IsStaleness = false } // ClearDelta clears the delta map. diff --git a/store/tikv/kv.go b/store/tikv/kv.go index 472ed4162e596..ee3d58f88a954 100644 --- a/store/tikv/kv.go +++ b/store/tikv/kv.go @@ -345,6 +345,14 @@ func (s *tikvStore) BeginWithStartTS(txnScope string, startTS uint64) (kv.Transa return txn, nil } +func (s *tikvStore) BeginWithExactStaleness(txnScope string, prevSec uint64) (kv.Transaction, error) { + txn, err := newTiKVTxnWithExactStaleness(s, txnScope, prevSec) + if err != nil { + return nil, errors.Trace(err) + } + return txn, nil +} + func (s *tikvStore) GetSnapshot(ver kv.Version) kv.Snapshot { snapshot := newTiKVSnapshot(s, ver, s.nextReplicaReadSeed()) return snapshot @@ -422,6 +430,19 @@ func (s *tikvStore) getTimestampWithRetry(bo *Backoffer, txnScope string) (uint6 } } +func (s *tikvStore) getStalenessTimestamp(bo *Backoffer, txnScope string, prevSec uint64) (uint64, error) { + for { + startTS, err := s.oracle.GetStaleTimestamp(bo.ctx, txnScope, prevSec) + if err == nil { + return startTS, nil + } + err = bo.Backoff(BoPDRPC, errors.Errorf("get staleness timestamp failed: %v", err)) + if err != nil { + return 0, errors.Trace(err) + } + } +} + func (s *tikvStore) nextReplicaReadSeed() uint32 { return atomic.AddUint32(&s.replicaReadSeed, 1) } diff --git a/store/tikv/txn.go b/store/tikv/txn.go index 87a17947da8da..efc43f3730243 100644 --- a/store/tikv/txn.go +++ b/store/tikv/txn.go @@ -113,6 +113,15 @@ func newTiKVTxnWithStartTS(store *tikvStore, txnScope string, startTS uint64, re return newTiKVTxn, nil } +func newTiKVTxnWithExactStaleness(store *tikvStore, txnScope string, prevSec uint64) (*tikvTxn, error) { + bo := NewBackofferWithVars(context.Background(), tsoMaxBackoff, nil) + startTS, err := store.getStalenessTimestamp(bo, txnScope, prevSec) + if err != nil { + return nil, errors.Trace(err) + } + return newTiKVTxnWithStartTS(store, txnScope, startTS, store.nextReplicaReadSeed()) +} + type assertionPair struct { key kv.Key assertion kv.AssertionType diff --git a/util/mock/context.go b/util/mock/context.go index f8ace752d97c6..633c6afa34c1f 100644 --- a/util/mock/context.go +++ b/util/mock/context.go @@ -200,6 +200,11 @@ func (c *Context) InitTxnWithStartTS(startTS uint64) error { return nil } +// NewTxnWithStalenessOption implements the sessionctx.Context interface. +func (c *Context) NewTxnWithStalenessOption(ctx context.Context, option sessionctx.StalenessTxnOption) error { + return c.NewTxn(ctx) +} + // GetStore gets the store of session. func (c *Context) GetStore() kv.Storage { return c.Store diff --git a/util/mock/store.go b/util/mock/store.go index 9fe0e762d261c..6139fcb9ea1e1 100644 --- a/util/mock/store.go +++ b/util/mock/store.go @@ -45,6 +45,11 @@ func (s *Store) BeginWithStartTS(txnScope string, startTS uint64) (kv.Transactio return s.Begin() } +// BeginWithExactStaleness implements kv.Storage interface +func (s *Store) BeginWithExactStaleness(txnScope string, prevSec uint64) (kv.Transaction, error) { + return s.Begin() +} + // GetSnapshot implements kv.Storage interface. func (s *Store) GetSnapshot(ver kv.Version) kv.Snapshot { return nil } From 16f53257ca14b2a6a179f56d3a7e4fa762f9da1e Mon Sep 17 00:00:00 2001 From: tiancaiamao Date: Mon, 4 Jan 2021 10:10:45 +0800 Subject: [PATCH 0601/1021] store: trace `loadRegion` to see the PD region cache loading (#22092) --- store/mockstore/unistore.go | 4 ++++ store/tikv/region_cache.go | 28 ++++++++++++++++++++++++---- util/execdetails/pd_interceptor.go | 2 +- 3 files changed, 29 insertions(+), 5 deletions(-) diff --git a/store/mockstore/unistore.go b/store/mockstore/unistore.go index 0e9e2cd44ff4d..9bcaa3d1d04ec 100644 --- a/store/mockstore/unistore.go +++ b/store/mockstore/unistore.go @@ -18,6 +18,7 @@ import ( "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/store/mockstore/unistore" "github.com/pingcap/tidb/store/tikv" + "github.com/pingcap/tidb/util/execdetails" ) func newUnistore(opts *mockOptions) (kv.Storage, error) { @@ -26,6 +27,9 @@ func newUnistore(opts *mockOptions) (kv.Storage, error) { return nil, errors.Trace(err) } opts.clusterInspector(cluster) + pdClient = execdetails.InterceptedPDClient{ + Client: pdClient, + } return tikv.NewTestTiKVStore(client, pdClient, opts.clientHijacker, opts.pdClientHijacker, opts.txnLocalLatches) } diff --git a/store/tikv/region_cache.go b/store/tikv/region_cache.go index e3e0898aa1c6a..3b982f1f8b44d 100644 --- a/store/tikv/region_cache.go +++ b/store/tikv/region_cache.go @@ -25,6 +25,7 @@ import ( "github.com/gogo/protobuf/proto" "github.com/google/btree" + "github.com/opentracing/opentracing-go" "github.com/pingcap/errors" "github.com/pingcap/failpoint" "github.com/pingcap/kvproto/pkg/metapb" @@ -967,6 +968,13 @@ func filterUnavailablePeers(region *pd.Region) { // If the given key is the end key of the region that you want, you may set the second argument to true. This is useful // when processing in reverse order. func (c *RegionCache) loadRegion(bo *Backoffer, key []byte, isEndKey bool) (*Region, error) { + ctx := bo.ctx + if span := opentracing.SpanFromContext(ctx); span != nil && span.Tracer() != nil { + span1 := span.Tracer().StartSpan("loadRegion", opentracing.ChildOf(span.Context())) + defer span1.Finish() + ctx = opentracing.ContextWithSpan(ctx, span1) + } + var backoffErr error searchPrev := false for { @@ -979,9 +987,9 @@ func (c *RegionCache) loadRegion(bo *Backoffer, key []byte, isEndKey bool) (*Reg var reg *pd.Region var err error if searchPrev { - reg, err = c.pdClient.GetPrevRegion(bo.ctx, key) + reg, err = c.pdClient.GetPrevRegion(ctx, key) } else { - reg, err = c.pdClient.GetRegion(bo.ctx, key) + reg, err = c.pdClient.GetRegion(ctx, key) } if err != nil { tikvRegionCacheCounterWithGetRegionError.Inc() @@ -1018,6 +1026,12 @@ func (c *RegionCache) loadRegion(bo *Backoffer, key []byte, isEndKey bool) (*Reg // loadRegionByID loads region from pd client, and picks the first peer as leader. func (c *RegionCache) loadRegionByID(bo *Backoffer, regionID uint64) (*Region, error) { + ctx := bo.ctx + if span := opentracing.SpanFromContext(ctx); span != nil && span.Tracer() != nil { + span1 := span.Tracer().StartSpan("loadRegionByID", opentracing.ChildOf(span.Context())) + defer span1.Finish() + ctx = opentracing.ContextWithSpan(ctx, span1) + } var backoffErr error for { if backoffErr != nil { @@ -1026,7 +1040,7 @@ func (c *RegionCache) loadRegionByID(bo *Backoffer, regionID uint64) (*Region, e return nil, errors.Trace(err) } } - reg, err := c.pdClient.GetRegionByID(bo.ctx, regionID) + reg, err := c.pdClient.GetRegionByID(ctx, regionID) if err != nil { tikvRegionCacheCounterWithGetRegionByIDError.Inc() } else { @@ -1061,6 +1075,12 @@ func (c *RegionCache) scanRegions(bo *Backoffer, startKey, endKey []byte, limit if limit == 0 { return nil, nil } + ctx := bo.ctx + if span := opentracing.SpanFromContext(ctx); span != nil && span.Tracer() != nil { + span1 := span.Tracer().StartSpan("scanRegions", opentracing.ChildOf(span.Context())) + defer span1.Finish() + ctx = opentracing.ContextWithSpan(ctx, span1) + } var backoffErr error for { @@ -1070,7 +1090,7 @@ func (c *RegionCache) scanRegions(bo *Backoffer, startKey, endKey []byte, limit return nil, errors.Trace(err) } } - regionsInfo, err := c.pdClient.ScanRegions(bo.ctx, startKey, endKey, limit) + regionsInfo, err := c.pdClient.ScanRegions(ctx, startKey, endKey, limit) if err != nil { tikvRegionCacheCounterWithScanRegionsError.Inc() backoffErr = errors.Errorf( diff --git a/util/execdetails/pd_interceptor.go b/util/execdetails/pd_interceptor.go index ad046ad13b6f1..11ca15a382f2f 100644 --- a/util/execdetails/pd_interceptor.go +++ b/util/execdetails/pd_interceptor.go @@ -84,7 +84,7 @@ func (m InterceptedPDClient) GetRegion(ctx context.Context, key []byte) (*pd.Reg // GetPrevRegion implements pd.Client#GetPrevRegion. func (m InterceptedPDClient) GetPrevRegion(ctx context.Context, key []byte) (*pd.Region, error) { start := time.Now() - r, err := m.Client.GetRegion(ctx, key) + r, err := m.Client.GetPrevRegion(ctx, key) recordPDWaitTime(ctx, start) return r, err } From 9cb4fb38d844204b7acba35f1784405c86476dbc Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Mon, 4 Jan 2021 11:26:14 +0800 Subject: [PATCH 0602/1021] expression: return correct results for user variables of datetime type (#22078) --- expression/builtin_other.go | 13 ++++++++++++- expression/builtin_other_vec.go | 6 +++++- expression/integration_test.go | 9 +++++++++ 3 files changed, 26 insertions(+), 2 deletions(-) diff --git a/expression/builtin_other.go b/expression/builtin_other.go index 9f4573d715d5b..513dab9f206ad 100644 --- a/expression/builtin_other.go +++ b/expression/builtin_other.go @@ -906,7 +906,18 @@ func (b *builtinGetStringVarSig) evalString(row chunk.Row) (string, bool, error) sessionVars.UsersLock.RLock() defer sessionVars.UsersLock.RUnlock() if v, ok := sessionVars.Users[varName]; ok { - return v.GetString(), false, nil + // We cannot use v.GetString() here, because the datum may be in KindMysqlTime, which + // stores the data in datum.x. + // This seems controversial with https://dev.mysql.com/doc/refman/8.0/en/user-variables.html: + // > User variables can be assigned a value from a limited set of data types: integer, decimal, + // > floating-point, binary or nonbinary string, or NULL value. + // However, MySQL actually does support query like `set @p = now()`, so we should not assume the datum stored + // must be of one of the following types: string, decimal, int, float. + res, err := v.ToString() + if err != nil { + return "", false, err + } + return res, false, nil } return "", true, nil } diff --git a/expression/builtin_other_vec.go b/expression/builtin_other_vec.go index 557f8ac87ae2e..17f2ce12bcb0f 100644 --- a/expression/builtin_other_vec.go +++ b/expression/builtin_other_vec.go @@ -348,7 +348,11 @@ func (b *builtinGetStringVarSig) vecEvalString(input *chunk.Chunk, result *chunk } varName := strings.ToLower(buf0.GetString(i)) if v, ok := sessionVars.Users[varName]; ok { - result.AppendString(v.GetString()) + res, err := v.ToString() + if err != nil { + return err + } + result.AppendString(res) continue } result.AppendNull() diff --git a/expression/integration_test.go b/expression/integration_test.go index 8cb88e5fc4348..0d2e1fa86694a 100644 --- a/expression/integration_test.go +++ b/expression/integration_test.go @@ -8393,6 +8393,15 @@ func (s *testIntegrationSuite) TestIssue17726(c *C) { result.Check(testkit.Rows("54995666 0 54995666117979.5 20040110095704")) } +func (s *testIntegrationSuite) TestDatetimeUserVariable(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("set @p = now()") + tk.MustExec("set @@tidb_enable_vectorized_expression = false") + c.Check(tk.MustQuery("select @p").Rows()[0][0] != "", IsTrue) + tk.MustExec("set @@tidb_enable_vectorized_expression = true") + c.Check(tk.MustQuery("select @p").Rows()[0][0] != "", IsTrue) +} + func (s *testIntegrationSuite) TestIssue12205(c *C) { tk := testkit.NewTestKit(c, s.store) From 960dab54445e33fecad010c2c8d586d755b9dc73 Mon Sep 17 00:00:00 2001 From: Yuyang Date: Mon, 4 Jan 2021 12:49:43 +0800 Subject: [PATCH 0603/1021] executor:return warning when load data meet no partition for incompatiable mysql,but err and abort (#22042) --- executor/executor.go | 2 ++ server/server_test.go | 50 +++++++++++++++++++++++++------------------ 2 files changed, 31 insertions(+), 21 deletions(-) diff --git a/executor/executor.go b/executor/executor.go index 28b3bcb146fc5..c28cdaeab53c5 100644 --- a/executor/executor.go +++ b/executor/executor.go @@ -1684,6 +1684,8 @@ func ResetContextOfStmt(ctx sessionctx.Context, s ast.StmtNode) (err error) { sc.BadNullAsWarning = true sc.TruncateAsWarning = !vars.StrictSQLMode sc.InLoadDataStmt = true + // return warning instead of error when load data meet no partition for value + sc.IgnoreNoPartition = true case *ast.SelectStmt: sc.InSelectStmt = true diff --git a/server/server_test.go b/server/server_test.go index 0568c8714ee10..8b35b110dfbbd 100644 --- a/server/server_test.go +++ b/server/server_test.go @@ -550,13 +550,14 @@ func (cli *testServerClient) runTestLoadDataForListPartition(c *C) { "Warning 1062 Duplicate entry '2' for key 'idx'") rows = dbt.mustQuery("select * from t order by id") cli.checkRows(c, rows, "1 a", "2 b", "3 c", "4 e", "7 a") - // Test load data meet no partition error. + // Test load data meet no partition warning. cli.prepareLoadDataFile(c, path, "5 a", "100 x") _, err := dbt.db.Exec(fmt.Sprintf("load data local infile %q into table t", path)) - c.Assert(err, NotNil) - c.Assert(err.Error(), Equals, "Error 1526: Table has no partition for value 100") + c.Assert(err, IsNil) + rows = dbt.mustQuery("show warnings") + cli.checkRows(c, rows, "Warning 1526 Table has no partition for value 100") rows = dbt.mustQuery("select * from t order by id") - cli.checkRows(c, rows, "1 a", "2 b", "3 c", "4 e", "7 a") + cli.checkRows(c, rows, "1 a", "2 b", "3 c", "4 e", "5 a", "7 a") }) } @@ -598,13 +599,14 @@ func (cli *testServerClient) runTestLoadDataForListPartition2(c *C) { "Warning 1062 Duplicate entry '2-2' for key 'idx'") rows = dbt.mustQuery("select id,name from t order by id") cli.checkRows(c, rows, "1 a", "2 b", "3 c", "4 e", "7 a") - // Test load data meet no partition error. + // Test load data meet no partition warning. cli.prepareLoadDataFile(c, path, "5 a", "100 x") _, err := dbt.db.Exec(fmt.Sprintf("load data local infile %q into table t (id,name)", path)) - c.Assert(err, NotNil) - c.Assert(err.Error(), Equals, "Error 1526: Table has no partition for value 100") + c.Assert(err, IsNil) + rows = dbt.mustQuery("show warnings") + cli.checkRows(c, rows, "Warning 1526 Table has no partition for value 100") rows = dbt.mustQuery("select id,name from t order by id") - cli.checkRows(c, rows, "1 a", "2 b", "3 c", "4 e", "7 a") + cli.checkRows(c, rows, "1 a", "2 b", "3 c", "4 e", "5 a", "7 a") }) } @@ -646,13 +648,14 @@ func (cli *testServerClient) runTestLoadDataForListColumnPartition(c *C) { "Warning 1062 Duplicate entry '2' for key 'idx'") rows = dbt.mustQuery("select * from t order by id") cli.checkRows(c, rows, "1 a", "2 b", "3 c", "4 e", "7 a") - // Test load data meet no partition error. + // Test load data meet no partition warning. cli.prepareLoadDataFile(c, path, "5 a", "100 x") _, err := dbt.db.Exec(fmt.Sprintf("load data local infile %q into table t", path)) - c.Assert(err, NotNil) - c.Assert(err.Error(), Equals, "Error 1526: Table has no partition for value from column_list") - rows = dbt.mustQuery("select * from t order by id") - cli.checkRows(c, rows, "1 a", "2 b", "3 c", "4 e", "7 a") + c.Assert(err, IsNil) + rows = dbt.mustQuery("show warnings") + cli.checkRows(c, rows, "Warning 1526 Table has no partition for value from column_list") + rows = dbt.mustQuery("select id,name from t order by id") + cli.checkRows(c, rows, "1 a", "2 b", "3 c", "4 e", "5 a", "7 a") }) } @@ -686,22 +689,27 @@ func (cli *testServerClient) runTestLoadDataForListColumnPartition2(c *C) { cli.checkRows(c, rows, "w 1 1", "e 5 5", "n 9 9") // Test load data meet duplicate error. cli.prepareLoadDataFile(c, path, "w 1 2", "w 2 2") - dbt.mustExec(fmt.Sprintf("load data local infile %q into table t", path)) + _, err := dbt.db.Exec(fmt.Sprintf("load data local infile %q into table t", path)) + c.Assert(err, IsNil) rows = dbt.mustQuery("show warnings") cli.checkRows(c, rows, "Warning 1062 Duplicate entry 'w-1' for key 'idx'") rows = dbt.mustQuery("select * from t order by id") cli.checkRows(c, rows, "w 1 1", "w 2 2", "e 5 5", "n 9 9") - // Test load data meet no partition error. + // Test load data meet no partition warning. cli.prepareLoadDataFile(c, path, "w 3 3", "w 5 5", "e 8 8") - _, err := dbt.db.Exec(fmt.Sprintf("load data local infile %q into table t", path)) - c.Assert(err, NotNil) - c.Assert(err.Error(), Equals, "Error 1526: Table has no partition for value from column_list") + _, err = dbt.db.Exec(fmt.Sprintf("load data local infile %q into table t", path)) + c.Assert(err, IsNil) + rows = dbt.mustQuery("show warnings") + cli.checkRows(c, rows, "Warning 1526 Table has no partition for value from column_list") cli.prepareLoadDataFile(c, path, "x 1 1", "w 1 1") _, err = dbt.db.Exec(fmt.Sprintf("load data local infile %q into table t", path)) - c.Assert(err, NotNil) - c.Assert(err.Error(), Equals, "Error 1526: Table has no partition for value from column_list") + c.Assert(err, IsNil) + rows = dbt.mustQuery("show warnings") + cli.checkRows(c, rows, + "Warning 1526 Table has no partition for value from column_list", + "Warning 1062 Duplicate entry 'w-1' for key 'idx'") rows = dbt.mustQuery("select * from t order by id") - cli.checkRows(c, rows, "w 1 1", "w 2 2", "e 5 5", "n 9 9") + cli.checkRows(c, rows, "w 1 1", "w 2 2", "w 3 3", "e 5 5", "e 8 8", "n 9 9") }) } From afcf63763b82178d4cd24cab451a9cf1ac974dd0 Mon Sep 17 00:00:00 2001 From: xiongjiwei Date: Mon, 4 Jan 2021 13:05:15 +0800 Subject: [PATCH 0604/1021] ddl: check datediff args in partition expression (#22054) --- ddl/db_partition_test.go | 20 +++++++ ddl/partition.go | 125 +++++++++++++++++++++++---------------- 2 files changed, 95 insertions(+), 50 deletions(-) diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index f575494e96885..30e8c6822f510 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -521,6 +521,26 @@ create table log_message_1 ( "CREATE TABLE t1(c0 INT) PARTITION BY LIST((!c0)) (partition p0 values in (0), partition p1 values in (1));", ddl.ErrPartitionFunctionIsNotAllowed, }, + { + "CREATE TABLE t1 (a TIME, b DATE) PARTITION BY range(DATEDIFF(a, b)) (partition p1 values less than (20));", + ddl.ErrWrongExprInPartitionFunc, + }, + { + "CREATE TABLE t1 (a DATE, b VARCHAR(10)) PARTITION BY range(DATEDIFF(a, b)) (partition p1 values less than (20));", + ddl.ErrWrongExprInPartitionFunc, + }, + { + "create table t1 (a bigint unsigned) partition by list (a) (partition p0 values in (10, 20, 30, -1));", + ddl.ErrWrongTypeColumnValue, + }, + { + "CREATE TABLE new (a TIMESTAMP NOT NULL PRIMARY KEY) PARTITION BY RANGE (a % 2) (PARTITION p VALUES LESS THAN (20080819));", + ddl.ErrWrongExprInPartitionFunc, + }, + { + "CREATE TABLE new (a TIMESTAMP NOT NULL PRIMARY KEY) PARTITION BY RANGE (a+2) (PARTITION p VALUES LESS THAN (20080819));", + ddl.ErrWrongExprInPartitionFunc, + }, } for i, t := range cases { _, err := tk.Exec(t.sql) diff --git a/ddl/partition.go b/ddl/partition.go index 606c98b290f82..85c43d9c3cb08 100644 --- a/ddl/partition.go +++ b/ddl/partition.go @@ -50,6 +50,7 @@ import ( "github.com/pingcap/tidb/util/hack" "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tidb/util/sqlexec" + "github.com/tikv/pd/pkg/slice" "go.uber.org/zap" ) @@ -399,7 +400,7 @@ func buildListPartitionDefinitions(ctx sessionctx.Context, defs []*ast.Partition } } else { for _, vs := range clause.Values { - if err := checkPartitionValuesIsInt(ctx, def, vs); err != nil { + if err := checkPartitionValuesIsInt(ctx, def, vs, tbInfo); err != nil { return nil, err } } @@ -460,7 +461,7 @@ func buildRangePartitionDefinitions(ctx sessionctx.Context, defs []*ast.Partitio return nil, err } } else { - if err := checkPartitionValuesIsInt(ctx, def, clause.Exprs); err != nil { + if err := checkPartitionValuesIsInt(ctx, def, clause.Exprs, tbInfo); err != nil { return nil, err } } @@ -490,7 +491,11 @@ func buildRangePartitionDefinitions(ctx sessionctx.Context, defs []*ast.Partitio return definitions, nil } -func checkPartitionValuesIsInt(ctx sessionctx.Context, def *ast.PartitionDefinition, exprs []ast.ExprNode) error { +func checkPartitionValuesIsInt(ctx sessionctx.Context, def *ast.PartitionDefinition, exprs []ast.ExprNode, tbInfo *model.TableInfo) error { + tp := types.NewFieldType(mysql.TypeLonglong) + if isRangePartitionColUnsignedBigint(tbInfo.Columns, tbInfo.Partition) { + tp.Flag |= mysql.UnsignedFlag + } for _, exp := range exprs { if _, ok := exp.(*ast.MaxValueExpr); ok { continue @@ -504,6 +509,10 @@ func checkPartitionValuesIsInt(ctx sessionctx.Context, def *ast.PartitionDefinit default: return ErrValuesIsNotIntType.GenWithStackByArgs(def.Name) } + _, err = val.ConvertTo(ctx.GetSessionVars().StmtCtx, tp) + if err != nil { + return ErrWrongTypeColumnValue.GenWithStackByArgs() + } } return nil @@ -610,11 +619,7 @@ func checkPartitionFuncValid(ctx sessionctx.Context, tblInfo *model.TableInfo, e // checkResultOK derives from https://github.com/mysql/mysql-server/blob/5.7/sql/item_timefunc // For partition tables, mysql do not support Constant, random or timezone-dependent expressions // Based on mysql code to check whether field is valid, every time related type has check_valid_arguments_processor function. -func checkResultOK(ok bool, err error) error { - if err != nil { - return err - } - +func checkResultOK(ok bool) error { if !ok { return errors.Trace(ErrWrongExprInPartitionFunc) } @@ -1706,7 +1711,7 @@ func (p *partitionExprChecker) extractColumns(_ sessionctx.Context, _ *model.Tab return nil } -func checkPartitionExprAllowed(_ sessionctx.Context, _ *model.TableInfo, e ast.ExprNode) error { +func checkPartitionExprAllowed(_ sessionctx.Context, tb *model.TableInfo, e ast.ExprNode) error { switch v := e.(type) { case *ast.FuncCallExpr: if _, ok := expression.AllowedPartitionFuncMap[v.FnName.L]; ok { @@ -1714,11 +1719,11 @@ func checkPartitionExprAllowed(_ sessionctx.Context, _ *model.TableInfo, e ast.E } case *ast.BinaryOperationExpr: if _, ok := expression.AllowedPartition4BinaryOpMap[v.Op]; ok { - return nil + return errors.Trace(checkNoTimestampArgs(tb, v.L, v.R)) } case *ast.UnaryOperationExpr: if _, ok := expression.AllowedPartition4UnaryOpMap[v.Op]; ok { - return nil + return errors.Trace(checkNoTimestampArgs(tb, v.V)) } case *ast.ColumnNameExpr, *ast.ParenthesesExpr, *driver.ValueExpr, *ast.MaxValueExpr, *ast.TimeUnitExpr: @@ -1732,36 +1737,39 @@ func checkPartitionExprArgs(_ sessionctx.Context, tblInfo *model.TableInfo, e as if !ok { return nil } + argsType, err := collectArgsType(tblInfo, expr.Args...) + if err != nil { + return errors.Trace(err) + } switch expr.FnName.L { case ast.ToDays, ast.ToSeconds, ast.DayOfMonth, ast.Month, ast.DayOfYear, ast.Quarter, ast.YearWeek, ast.Year, ast.Weekday, ast.DayOfWeek, ast.Day: - return errors.Trace(checkResultOK(hasDateArgs(tblInfo, expr))) + return errors.Trace(checkResultOK(hasDateArgs(argsType...))) case ast.Hour, ast.Minute, ast.Second, ast.TimeToSec, ast.MicroSecond: - return errors.Trace(checkResultOK(hasTimeArgs(tblInfo, expr))) + return errors.Trace(checkResultOK(hasTimeArgs(argsType...))) case ast.UnixTimestamp: - return errors.Trace(checkResultOK(hasTimestampArgs(tblInfo, expr))) + return errors.Trace(checkResultOK(hasTimestampArgs(argsType...))) case ast.FromDays: - if err := checkResultOK(hasDateArgs(tblInfo, expr)); err != nil { - return errors.Trace(err) - } - return errors.Trace(checkResultOK(hasTimeArgs(tblInfo, expr))) + return errors.Trace(checkResultOK(hasDateArgs(argsType...) || hasTimeArgs(argsType...))) case ast.Extract: switch expr.Args[0].(*ast.TimeUnitExpr).Unit { case ast.TimeUnitYear, ast.TimeUnitYearMonth, ast.TimeUnitQuarter, ast.TimeUnitMonth, ast.TimeUnitDay: - return errors.Trace(checkResultOK(hasDateArgs(tblInfo, expr))) + return errors.Trace(checkResultOK(hasDateArgs(argsType...))) case ast.TimeUnitDayMicrosecond, ast.TimeUnitDayHour, ast.TimeUnitDayMinute, ast.TimeUnitDaySecond: - return errors.Trace(checkResultOK(hasDatetimeArgs(tblInfo, expr))) + return errors.Trace(checkResultOK(hasDatetimeArgs(argsType...))) case ast.TimeUnitHour, ast.TimeUnitHourMinute, ast.TimeUnitHourSecond, ast.TimeUnitMinute, ast.TimeUnitMinuteSecond, ast.TimeUnitSecond, ast.TimeUnitMicrosecond, ast.TimeUnitHourMicrosecond, ast.TimeUnitMinuteMicrosecond, ast.TimeUnitSecondMicrosecond: - return errors.Trace(checkResultOK(hasTimeArgs(tblInfo, expr))) + return errors.Trace(checkResultOK(hasTimeArgs(argsType...))) default: return errors.Trace(ErrWrongExprInPartitionFunc) } - case ast.Abs, ast.Ceiling, ast.DateDiff, ast.Floor, ast.Mod: - has, err := hasTimestampArgs(tblInfo, expr) - if err != nil { - return errors.Trace(err) - } + case ast.DateDiff: + return errors.Trace(checkResultOK(slice.AllOf(argsType, func(i int) bool { + return hasDateArgs(argsType[i]) + }))) + + case ast.Abs, ast.Ceiling, ast.Floor, ast.Mod: + has := hasTimestampArgs(argsType...) if has { return errors.Trace(ErrWrongExprInPartitionFunc) } @@ -1769,37 +1777,54 @@ func checkPartitionExprArgs(_ sessionctx.Context, tblInfo *model.TableInfo, e as return nil } -func hasDateArgs(tblInfo *model.TableInfo, expr *ast.FuncCallExpr) (bool, error) { - return hasSpecifyArgs(tblInfo, expr, mysql.TypeDate, mysql.TypeDatetime) +func collectArgsType(tblInfo *model.TableInfo, exprs ...ast.ExprNode) ([]byte, error) { + ts := make([]byte, 0, len(exprs)) + for _, arg := range exprs { + col, ok := arg.(*ast.ColumnNameExpr) + if !ok { + continue + } + columnInfo := findColumnByName(col.Name.Name.L, tblInfo) + if columnInfo == nil { + return nil, errors.Trace(ErrBadField.GenWithStackByArgs(col.Name.Name.L, "partition function")) + } + ts = append(ts, columnInfo.Tp) + } + + return ts, nil } -func hasTimeArgs(tblInfo *model.TableInfo, expr *ast.FuncCallExpr) (bool, error) { - return hasSpecifyArgs(tblInfo, expr, mysql.TypeDuration, mysql.TypeDatetime) +func hasDateArgs(argsType ...byte) bool { + return slice.AnyOf(argsType, func(i int) bool { + return argsType[i] == mysql.TypeDate || argsType[i] == mysql.TypeDatetime + }) } -func hasTimestampArgs(tblInfo *model.TableInfo, expr *ast.FuncCallExpr) (bool, error) { - return hasSpecifyArgs(tblInfo, expr, mysql.TypeTimestamp) +func hasTimeArgs(argsType ...byte) bool { + return slice.AnyOf(argsType, func(i int) bool { + return argsType[i] == mysql.TypeDuration || argsType[i] == mysql.TypeDatetime + }) } -func hasDatetimeArgs(tblInfo *model.TableInfo, expr *ast.FuncCallExpr) (bool, error) { - return hasSpecifyArgs(tblInfo, expr, mysql.TypeDatetime) +func hasTimestampArgs(argsType ...byte) bool { + return slice.AnyOf(argsType, func(i int) bool { + return argsType[i] == mysql.TypeTimestamp + }) } -func hasSpecifyArgs(tblInfo *model.TableInfo, expr *ast.FuncCallExpr, ts ...byte) (bool, error) { - for _, arg := range expr.Args { - col, ok := arg.(*ast.ColumnNameExpr) - if !ok { - continue - } - columnInfo := findColumnByName(col.Name.Name.L, tblInfo) - if columnInfo == nil { - return false, errors.Trace(ErrBadField.GenWithStackByArgs(col.Name.Name.L, "partition function")) - } - for _, t := range ts { - if columnInfo.Tp == t { - return true, nil - } - } +func hasDatetimeArgs(argsType ...byte) bool { + return slice.AnyOf(argsType, func(i int) bool { + return argsType[i] == mysql.TypeDatetime + }) +} + +func checkNoTimestampArgs(tbInfo *model.TableInfo, exprs ...ast.ExprNode) error { + argsType, err := collectArgsType(tbInfo, exprs...) + if err != nil { + return err } - return false, nil + if hasTimestampArgs(argsType...) { + return errors.Trace(ErrWrongExprInPartitionFunc) + } + return nil } From b45fa8b891b80376b37ab39759730310a182ae5a Mon Sep 17 00:00:00 2001 From: tiancaiamao Date: Mon, 4 Jan 2021 13:50:15 +0800 Subject: [PATCH 0605/1021] metrics,planner: add 'pseudo estimation' reason in the metrics (#21911) --- metrics/grafana/tidb.json | 4 ++-- metrics/stats.go | 4 ++-- planner/core/logical_plan_builder.go | 8 +++++++- 3 files changed, 11 insertions(+), 5 deletions(-) diff --git a/metrics/grafana/tidb.json b/metrics/grafana/tidb.json index 9e5f74c037c48..cb0ddebe2c91a 100644 --- a/metrics/grafana/tidb.json +++ b/metrics/grafana/tidb.json @@ -9673,10 +9673,10 @@ "steppedLine": false, "targets": [ { - "expr": "sum(rate(tidb_statistics_pseudo_estimation_total[1m]))", + "expr": "sum(rate(tidb_statistics_pseudo_estimation_total[30s])) by (type)", "format": "time_series", "intervalFactor": 2, - "legendFormat": "Pseudo OPS", + "legendFormat": "{{type}}", "refId": "A", "step": 30 } diff --git a/metrics/stats.go b/metrics/stats.go index 25e219a97da11..b1143531d6114 100644 --- a/metrics/stats.go +++ b/metrics/stats.go @@ -45,13 +45,13 @@ var ( Buckets: prometheus.ExponentialBuckets(0.01, 2, 14), }) - PseudoEstimation = prometheus.NewCounter( + PseudoEstimation = prometheus.NewCounterVec( prometheus.CounterOpts{ Namespace: "tidb", Subsystem: "statistics", Name: "pseudo_estimation_total", Help: "Counter of pseudo estimation caused by outdated stats.", - }) + }, []string{LblType}) DumpFeedbackCounter = prometheus.NewCounterVec( prometheus.CounterOpts{ diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go index 6fc35a6157e9a..ed4a5336d736c 100644 --- a/planner/core/logical_plan_builder.go +++ b/planner/core/logical_plan_builder.go @@ -3497,6 +3497,11 @@ func (ds *DataSource) newExtraHandleSchemaCol() *expression.Column { } } +var ( + pseudoEstimationNotAvailable = metrics.PseudoEstimation.WithLabelValues("nodata") + pseudoEstimationOutdate = metrics.PseudoEstimation.WithLabelValues("outdate") +) + // getStatsTable gets statistics information for a table specified by "tableID". // A pseudo statistics table is returned in any of the following scenario: // 1. tidb-server started and statistics handle has not been initialized. @@ -3519,6 +3524,7 @@ func getStatsTable(ctx sessionctx.Context, tblInfo *model.TableInfo, pid int64) // 2. table row count from statistics is zero. if statsTbl.Count == 0 { + pseudoEstimationNotAvailable.Inc() return statistics.PseudoTable(tblInfo) } @@ -3527,7 +3533,7 @@ func getStatsTable(ctx sessionctx.Context, tblInfo *model.TableInfo, pid int64) tbl := *statsTbl tbl.Pseudo = true statsTbl = &tbl - metrics.PseudoEstimation.Inc() + pseudoEstimationOutdate.Inc() } return statsTbl } From 7f25d4f0cc7d062a9b7a612e2006dfe7afd82a5e Mon Sep 17 00:00:00 2001 From: Zijie Lu Date: Mon, 4 Jan 2021 14:23:06 +0800 Subject: [PATCH 0606/1021] executor, infoschema, planner: optimize query cluster_slow_query (#20750) --- executor/coprocessor.go | 2 +- executor/executor_test.go | 138 ++++++++-- executor/infoschema_reader_test.go | 6 +- executor/slow_query.go | 249 +++++++++++++++---- executor/slow_query_test.go | 183 ++++++++++++-- infoschema/tables.go | 39 ++- planner/core/find_best_task.go | 5 + planner/core/memtable_predicate_extractor.go | 77 +++++- planner/core/pb_to_plan.go | 22 +- planner/core/point_get_plan.go | 7 + 10 files changed, 615 insertions(+), 113 deletions(-) diff --git a/executor/coprocessor.go b/executor/coprocessor.go index 32eb421d041d0..25959e5454655 100644 --- a/executor/coprocessor.go +++ b/executor/coprocessor.go @@ -161,7 +161,7 @@ func (h *CoprocessorDAGHandler) buildDAGExecutor(req *coprocessor.Request) (Exec h.dagReq = dagReq is := h.sctx.GetSessionVars().TxnCtx.InfoSchema.(infoschema.InfoSchema) // Build physical plan. - bp := core.NewPBPlanBuilder(h.sctx, is) + bp := core.NewPBPlanBuilder(h.sctx, is, req.Ranges) plan, err := bp.Build(dagReq.Executors) if err != nil { return nil, errors.Trace(err) diff --git a/executor/executor_test.go b/executor/executor_test.go index df524954fec68..c18655cd9b5e1 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -6057,14 +6057,6 @@ func (s *testSuiteP1) TestPrepareLoadData(c *C) { } func (s *testClusterTableSuite) TestSlowQuery(c *C) { - writeFile := func(file string, data string) { - f, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0644) - c.Assert(err, IsNil) - _, err = f.Write([]byte(data)) - c.Assert(f.Close(), IsNil) - c.Assert(err, IsNil) - } - logData0 := "" logData1 := ` # Time: 2020-02-15T18:00:01.000000+08:00 @@ -6084,23 +6076,18 @@ select 6;` logData4 := ` # Time: 2020-05-14T19:03:54.314615176+08:00 select 7;` + logData := []string{logData0, logData1, logData2, logData3, logData4} fileName0 := "tidb-slow-2020-02-14T19-04-05.01.log" fileName1 := "tidb-slow-2020-02-15T19-04-05.01.log" fileName2 := "tidb-slow-2020-02-16T19-04-05.01.log" fileName3 := "tidb-slow-2020-02-17T18-00-05.01.log" fileName4 := "tidb-slow.log" - writeFile(fileName0, logData0) - writeFile(fileName1, logData1) - writeFile(fileName2, logData2) - writeFile(fileName3, logData3) - writeFile(fileName4, logData4) + fileNames := []string{fileName0, fileName1, fileName2, fileName3, fileName4} + + prepareLogs(c, logData, fileNames) defer func() { - os.Remove(fileName0) - os.Remove(fileName1) - os.Remove(fileName2) - os.Remove(fileName3) - os.Remove(fileName4) + removeFiles(fileNames) }() tk := testkit.NewTestKitWithInit(c, s.store) loc, err := time.LoadLocation("Asia/Shanghai") @@ -6173,6 +6160,121 @@ select 7;` } } +func (s *testClusterTableSuite) TestIssue20236(c *C) { + logData0 := "" + logData1 := ` +# Time: 2020-02-15T18:00:01.000000+08:00 +select 1; +# Time: 2020-02-15T19:00:05.000000+08:00 +select 2; +# Time: 2020-02-15T20:00:05.000000+08:00` + logData2 := `select 3; +# Time: 2020-02-16T18:00:01.000000+08:00 +select 4; +# Time: 2020-02-16T18:00:05.000000+08:00 +select 5;` + logData3 := ` +# Time: 2020-02-16T19:00:00.000000+08:00 +select 6; +# Time: 2020-02-17T18:00:05.000000+08:00 +select 7; +# Time: 2020-02-17T19:00:00.000000+08:00` + logData4 := `select 8; +# Time: 2020-02-17T20:00:00.000000+08:00 +select 9 +# Time: 2020-05-14T19:03:54.314615176+08:00 +select 10;` + logData := []string{logData0, logData1, logData2, logData3, logData4} + + fileName0 := "tidb-slow-2020-02-14T19-04-05.01.log" + fileName1 := "tidb-slow-2020-02-15T19-04-05.01.log" + fileName2 := "tidb-slow-2020-02-16T19-04-05.01.log" + fileName3 := "tidb-slow-2020-02-17T18-00-05.01.log" + fileName4 := "tidb-slow.log" + fileNames := []string{fileName0, fileName1, fileName2, fileName3, fileName4} + prepareLogs(c, logData, fileNames) + defer func() { + removeFiles(fileNames) + }() + tk := testkit.NewTestKitWithInit(c, s.store) + loc, err := time.LoadLocation("Asia/Shanghai") + c.Assert(err, IsNil) + tk.Se.GetSessionVars().TimeZone = loc + tk.MustExec("use information_schema") + cases := []struct { + prepareSQL string + sql string + result []string + }{ + { + prepareSQL: "set @@time_zone = '+08:00'", + sql: "select time from cluster_slow_query where time > '2020-02-17 12:00:05.000000' and time < '2020-05-14 20:00:00.000000'", + result: []string{"2020-02-17 18:00:05.000000", "2020-02-17 19:00:00.000000", "2020-05-14 19:03:54.314615"}, + }, + { + prepareSQL: "set @@time_zone = '+08:00'", + sql: "select time from cluster_slow_query where time > '2020-02-17 12:00:05.000000' and time < '2020-05-14 20:00:00.000000' order by time desc", + result: []string{"2020-05-14 19:03:54.314615", "2020-02-17 19:00:00.000000", "2020-02-17 18:00:05.000000"}, + }, + { + prepareSQL: "set @@time_zone = '+08:00'", + sql: "select time from cluster_slow_query where (time > '2020-02-15 18:00:00' and time < '2020-02-15 20:01:00') or (time > '2020-02-17 18:00:00' and time < '2020-05-14 20:00:00') order by time", + result: []string{"2020-02-15 18:00:01.000000", "2020-02-15 19:00:05.000000", "2020-02-17 18:00:05.000000", "2020-02-17 19:00:00.000000", "2020-05-14 19:03:54.314615"}, + }, + { + prepareSQL: "set @@time_zone = '+08:00'", + sql: "select time from cluster_slow_query where (time > '2020-02-15 18:00:00' and time < '2020-02-15 20:01:00') or (time > '2020-02-17 18:00:00' and time < '2020-05-14 20:00:00') order by time desc", + result: []string{"2020-05-14 19:03:54.314615", "2020-02-17 19:00:00.000000", "2020-02-17 18:00:05.000000", "2020-02-15 19:00:05.000000", "2020-02-15 18:00:01.000000"}, + }, + { + prepareSQL: "set @@time_zone = '+08:00'", + sql: "select count(*) from cluster_slow_query where time > '2020-02-15 18:00:00.000000' and time < '2020-05-14 20:00:00.000000' order by time desc", + result: []string{"9"}, + }, + { + prepareSQL: "set @@time_zone = '+08:00'", + sql: "select count(*) from cluster_slow_query where (time > '2020-02-16 18:00:00' and time < '2020-05-14 20:00:00') or (time > '2020-02-17 18:00:00' and time < '2020-05-17 20:00:00')", + result: []string{"6"}, + }, + { + prepareSQL: "set @@time_zone = '+08:00'", + sql: "select count(*) from cluster_slow_query where time > '2020-02-16 18:00:00.000000' and time < '2020-02-17 20:00:00.000000' order by time desc", + result: []string{"5"}, + }, + { + prepareSQL: "set @@time_zone = '+08:00'", + sql: "select time from cluster_slow_query where time > '2020-02-16 18:00:00.000000' and time < '2020-05-14 20:00:00.000000' order by time desc limit 3", + result: []string{"2020-05-14 19:03:54.314615", "2020-02-17 19:00:00.000000", "2020-02-17 18:00:05.000000"}, + }, + } + for _, cas := range cases { + if len(cas.prepareSQL) > 0 { + tk.MustExec(cas.prepareSQL) + } + tk.MustQuery(cas.sql).Check(testutil.RowsWithSep("|", cas.result...)) + } +} + +func prepareLogs(c *C, logData []string, fileNames []string) { + writeFile := func(file string, data string) { + f, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0644) + c.Assert(err, IsNil) + _, err = f.Write([]byte(data)) + c.Assert(f.Close(), IsNil) + c.Assert(err, IsNil) + } + + for i, log := range logData { + writeFile(fileNames[i], log) + } +} + +func removeFiles(fileNames []string) { + for _, fileName := range fileNames { + os.Remove(fileName) + } +} + func (s *testSuite1) TestIssue15718(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") diff --git a/executor/infoschema_reader_test.go b/executor/infoschema_reader_test.go index b24d22ab4de19..456af7b53afbd 100644 --- a/executor/infoschema_reader_test.go +++ b/executor/infoschema_reader_test.go @@ -283,7 +283,7 @@ func (s *testInfoschemaTableSuite) TestKeyColumnUsage(c *C) { Username: "key_column_tester", Hostname: "127.0.0.1", }, nil, nil), IsTrue) - keyColumnTester.MustQuery("select * from information_schema.KEY_COLUMN_USAGE;").Check([][]interface{}{}) + keyColumnTester.MustQuery("select * from information_schema.KEY_COLUMN_USAGE where TABLE_NAME != 'CLUSTER_SLOW_QUERY';").Check([][]interface{}{}) // test the privilege of user with privilege of mysql.gc_delete_range for information_schema.table_constraints tk.MustExec("CREATE ROLE r_stats_meta ;") @@ -303,7 +303,7 @@ func (s *testInfoschemaTableSuite) TestUserPrivileges(c *C) { Username: "constraints_tester", Hostname: "127.0.0.1", }, nil, nil), IsTrue) - constraintsTester.MustQuery("select * from information_schema.TABLE_CONSTRAINTS;").Check([][]interface{}{}) + constraintsTester.MustQuery("select * from information_schema.TABLE_CONSTRAINTS WHERE TABLE_NAME != 'CLUSTER_SLOW_QUERY';").Check([][]interface{}{}) // test the privilege of user with privilege of mysql.gc_delete_range for information_schema.table_constraints tk.MustExec("CREATE ROLE r_gc_delete_range ;") @@ -321,7 +321,7 @@ func (s *testInfoschemaTableSuite) TestUserPrivileges(c *C) { Username: "tester1", Hostname: "127.0.0.1", }, nil, nil), IsTrue) - tk1.MustQuery("select * from information_schema.STATISTICS;").Check([][]interface{}{}) + tk1.MustQuery("select * from information_schema.STATISTICS WHERE TABLE_NAME != 'CLUSTER_SLOW_QUERY';").Check([][]interface{}{}) // test the privilege of user with some privilege for information_schema tk.MustExec("create user tester2") diff --git a/executor/slow_query.go b/executor/slow_query.go index efb1abcbac1ae..c6a5f8872f0e3 100755 --- a/executor/slow_query.go +++ b/executor/slow_query.go @@ -62,8 +62,8 @@ type slowQueryRetriever struct { fileLine int checker *slowLogChecker - parsedSlowLogCh chan parsedSlowLog - stats *slowQueryRuntimeStats + taskList chan slowLogTask + stats *slowQueryRuntimeStats } func (e *slowQueryRetriever) retrieve(ctx context.Context, sctx sessionctx.Context) ([][]types.Datum, error) { @@ -108,14 +108,33 @@ func (e *slowQueryRetriever) initialize(ctx context.Context, sctx sessionctx.Con e.stats = &slowQueryRuntimeStats{} if e.extractor != nil { e.checker.enableTimeCheck = e.extractor.Enable - e.checker.startTime = types.NewTime(types.FromGoTime(e.extractor.StartTime), mysql.TypeDatetime, types.MaxFsp) - e.checker.endTime = types.NewTime(types.FromGoTime(e.extractor.EndTime), mysql.TypeDatetime, types.MaxFsp) + for _, tr := range e.extractor.TimeRanges { + startTime := types.NewTime(types.FromGoTime(tr.StartTime), mysql.TypeDatetime, types.MaxFsp) + endTime := types.NewTime(types.FromGoTime(tr.EndTime), mysql.TypeDatetime, types.MaxFsp) + timeRange := &timeRange{ + startTime: startTime, + endTime: endTime, + } + e.checker.timeRanges = append(e.checker.timeRanges, timeRange) + } + } else { + e.extractor = &plannercore.SlowQueryExtractor{} } e.initialized = true e.files, err = e.getAllFiles(ctx, sctx, sctx.GetSessionVars().SlowQueryFile) + if e.extractor.Desc { + e.reverseLogFiles() + } return err } +func (e *slowQueryRetriever) reverseLogFiles() { + for i := 0; i < len(e.files)/2; i++ { + j := len(e.files) - i - 1 + e.files[i], e.files[j] = e.files[j], e.files[i] + } +} + func (e *slowQueryRetriever) close() error { for _, f := range e.files { err := f.file.Close() @@ -148,10 +167,26 @@ func (e *slowQueryRetriever) getNextFile() *os.File { return file } +func (e *slowQueryRetriever) getPreviousFile() *os.File { + fileIdx := e.fileIdx + // fileIdx refer to the next file which should be read + // so we need to set fileIdx to fileIdx - 2 to get the previous file. + fileIdx = fileIdx - 2 + if fileIdx < 0 { + return nil + } + file := e.files[fileIdx].file + _, err := file.Seek(0, io.SeekStart) + if err != nil { + return nil + } + return file +} + func (e *slowQueryRetriever) parseDataForSlowLog(ctx context.Context, sctx sessionctx.Context) { file := e.getNextFile() if file == nil { - close(e.parsedSlowLogCh) + close(e.taskList) return } reader := bufio.NewReader(file) @@ -160,19 +195,20 @@ func (e *slowQueryRetriever) parseDataForSlowLog(ctx context.Context, sctx sessi func (e *slowQueryRetriever) dataForSlowLog(ctx context.Context) ([][]types.Datum, bool, error) { var ( - slowLog parsedSlowLog - ok bool + task slowLogTask + ok bool ) for { select { - case slowLog, ok = <-e.parsedSlowLogCh: + case task, ok = <-e.taskList: case <-ctx.Done(): return nil, false, ctx.Err() } if !ok { return nil, true, nil } - rows, err := slowLog.rows, slowLog.err + result := <-task.resultCh + rows, err := result.rows, result.err if err != nil { return nil, false, err } @@ -193,8 +229,12 @@ type slowLogChecker struct { user *auth.UserIdentity // Below fields is used to check slow log time valid. enableTimeCheck bool - startTime types.Time - endTime types.Time + timeRanges []*timeRange +} + +type timeRange struct { + startTime types.Time + endTime types.Time } func (sc *slowLogChecker) hasPrivilege(userName string) bool { @@ -202,10 +242,12 @@ func (sc *slowLogChecker) hasPrivilege(userName string) bool { } func (sc *slowLogChecker) isTimeValid(t types.Time) bool { - if sc.enableTimeCheck && (t.Compare(sc.startTime) < 0 || t.Compare(sc.endTime) > 0) { - return false + for _, tr := range sc.timeRanges { + if sc.enableTimeCheck && (t.Compare(tr.startTime) >= 0 && t.Compare(tr.endTime) <= 0) { + return true + } } - return true + return !sc.enableTimeCheck } func getOneLine(reader *bufio.Reader) ([]byte, error) { @@ -243,7 +285,13 @@ type offset struct { length int } -func (e *slowQueryRetriever) getBatchLog(ctx context.Context, reader *bufio.Reader, offset *offset, num int) ([]string, error) { +type slowLogTask struct { + resultCh chan parsedSlowLog +} + +type slowLogBlock []string + +func (e *slowQueryRetriever) getBatchLog(ctx context.Context, reader *bufio.Reader, offset *offset, num int) ([][]string, error) { var line string log := make([]string, 0, num) var err error @@ -259,13 +307,13 @@ func (e *slowQueryRetriever) getBatchLog(ctx context.Context, reader *bufio.Read e.fileLine = 0 file := e.getNextFile() if file == nil { - return log, nil + return [][]string{log}, nil } offset.length = len(log) reader.Reset(file) continue } - return log, err + return [][]string{log}, err } line = string(hack.String(lineByte)) log = append(log, line) @@ -277,11 +325,98 @@ func (e *slowQueryRetriever) getBatchLog(ctx context.Context, reader *bufio.Read } } } - return log, err + return [][]string{log}, err +} + +func (e *slowQueryRetriever) getBatchLogForReversedScan(ctx context.Context, reader *bufio.Reader, offset *offset, num int) ([][]string, error) { + // reader maybe change when read previous file. + inputReader := reader + defer func() { + file := e.getNextFile() + if file != nil { + inputReader.Reset(file) + } + }() + var line string + var logs []slowLogBlock + var log []string + var err error + hasStartFlag := false + scanPreviousFile := false + for { + if isCtxDone(ctx) { + return nil, ctx.Err() + } + e.fileLine++ + lineByte, err := getOneLine(reader) + if err != nil { + if err == io.EOF { + if len(log) == 0 { + decomposedSlowLogTasks := decomposeToSlowLogTasks(logs, num) + offset.length = len(decomposedSlowLogTasks) + return decomposedSlowLogTasks, nil + } + e.fileLine = 0 + file := e.getPreviousFile() + if file == nil { + return decomposeToSlowLogTasks(logs, num), nil + } + reader = bufio.NewReader(file) + scanPreviousFile = true + continue + } + return nil, err + } + line = string(hack.String(lineByte)) + if !hasStartFlag && strings.HasPrefix(line, variable.SlowLogStartPrefixStr) { + hasStartFlag = true + } + if hasStartFlag { + log = append(log, line) + if strings.HasSuffix(line, variable.SlowLogSQLSuffixStr) { + if strings.HasPrefix(line, "use") || strings.HasPrefix(line, variable.SlowLogRowPrefixStr) { + continue + } + logs = append(logs, log) + if scanPreviousFile { + break + } + log = make([]string, 0, 8) + hasStartFlag = false + } + } + } + return decomposeToSlowLogTasks(logs, num), err +} + +func decomposeToSlowLogTasks(logs []slowLogBlock, num int) [][]string { + if len(logs) == 0 { + return nil + } + + //In reversed scan, We should reverse the blocks. + last := len(logs) - 1 + for i := 0; i < len(logs)/2; i++ { + logs[i], logs[last-i] = logs[last-i], logs[i] + } + + decomposedSlowLogTasks := make([][]string, 0) + log := make([]string, 0, num*len(logs[0])) + for i := range logs { + log = append(log, logs[i]...) + if i > 0 && i%num == 0 { + decomposedSlowLogTasks = append(decomposedSlowLogTasks, log) + log = make([]string, 0, len(log)) + } + } + if len(log) > 0 { + decomposedSlowLogTasks = append(decomposedSlowLogTasks, log) + } + return decomposedSlowLogTasks } func (e *slowQueryRetriever) parseSlowLog(ctx context.Context, sctx sessionctx.Context, reader *bufio.Reader, logNum int) { - defer close(e.parsedSlowLogCh) + defer close(e.taskList) var wg sync.WaitGroup offset := offset{offset: 0, length: 0} // To limit the num of go routine @@ -293,40 +428,54 @@ func (e *slowQueryRetriever) parseSlowLog(ctx context.Context, sctx sessionctx.C defer close(ch) for { startTime := time.Now() - log, err := e.getBatchLog(ctx, reader, &offset, logNum) + var logs [][]string + var err error + if !e.extractor.Desc { + logs, err = e.getBatchLog(ctx, reader, &offset, logNum) + } else { + logs, err = e.getBatchLogForReversedScan(ctx, reader, &offset, logNum) + } if err != nil { - e.sendParsedSlowLogCh(ctx, parsedSlowLog{nil, err}) - break + t := slowLogTask{} + t.resultCh = make(chan parsedSlowLog, 1) + e.taskList <- t + e.sendParsedSlowLogCh(ctx, t, parsedSlowLog{nil, err}) } - if len(log) == 0 { + if len(logs) == 0 || len(logs[0]) == 0 { break } if e.stats != nil { e.stats.readFile += time.Since(startTime) } - start := offset - wg.Add(1) - ch <- 1 - go func() { - defer wg.Done() - result, err := e.parseLog(ctx, sctx, log, start) - e.sendParsedSlowLogCh(ctx, parsedSlowLog{result, err}) - <-ch - }() - offset.offset = e.fileLine - offset.length = 0 - select { - case <-ctx.Done(): - break - default: + for i := range logs { + log := logs[i] + t := slowLogTask{} + t.resultCh = make(chan parsedSlowLog, 1) + start := offset + wg.Add(1) + ch <- 1 + e.taskList <- t + go func() { + defer wg.Done() + result, err := e.parseLog(ctx, sctx, log, start) + e.sendParsedSlowLogCh(ctx, t, parsedSlowLog{result, err}) + <-ch + }() + offset.offset = e.fileLine + offset.length = 0 + select { + case <-ctx.Done(): + return + default: + } } } wg.Wait() } -func (e *slowQueryRetriever) sendParsedSlowLogCh(ctx context.Context, re parsedSlowLog) { +func (e *slowQueryRetriever) sendParsedSlowLogCh(ctx context.Context, t slowLogTask, re parsedSlowLog) { select { - case e.parsedSlowLogCh <- re: + case t.resultCh <- re: case <-ctx.Done(): return } @@ -881,7 +1030,14 @@ func (e *slowQueryRetriever) getAllFiles(ctx context.Context, sctx sessionctx.Co return handleErr(err) } start := types.NewTime(types.FromGoTime(fileStartTime), mysql.TypeDatetime, types.MaxFsp) - if start.Compare(e.checker.endTime) > 0 { + notInAllTimeRanges := true + for _, tr := range e.checker.timeRanges { + if start.Compare(tr.endTime) <= 0 { + notInAllTimeRanges = false + break + } + } + if notInAllTimeRanges { return nil } @@ -891,7 +1047,14 @@ func (e *slowQueryRetriever) getAllFiles(ctx context.Context, sctx sessionctx.Co return handleErr(err) } end := types.NewTime(types.FromGoTime(fileEndTime), mysql.TypeDatetime, types.MaxFsp) - if end.Compare(e.checker.startTime) < 0 { + inTimeRanges := false + for _, tr := range e.checker.timeRanges { + if !(start.Compare(tr.endTime) > 0 || end.Compare(tr.startTime) < 0) { + inTimeRanges = true + break + } + } + if !inTimeRanges { return nil } _, err = file.Seek(0, io.SeekStart) @@ -1087,6 +1250,6 @@ func readLastLines(ctx context.Context, file *os.File, endCursor int64) ([]strin } func (e *slowQueryRetriever) initializeAsyncParsing(ctx context.Context, sctx sessionctx.Context) { - e.parsedSlowLogCh = make(chan parsedSlowLog, 100) + e.taskList = make(chan slowLogTask, 100) go e.parseDataForSlowLog(ctx, sctx) } diff --git a/executor/slow_query_test.go b/executor/slow_query_test.go index 88b36b967a6fb..607d0bae5d59b 100644 --- a/executor/slow_query_test.go +++ b/executor/slow_query_test.go @@ -17,7 +17,6 @@ import ( "bufio" "bytes" "context" - "io" "os" "strings" "time" @@ -34,14 +33,17 @@ import ( ) func parseLog(retriever *slowQueryRetriever, sctx sessionctx.Context, reader *bufio.Reader, logNum int) ([][]types.Datum, error) { - retriever.parsedSlowLogCh = make(chan parsedSlowLog, 100) + retriever.taskList = make(chan slowLogTask, 100) ctx := context.Background() - retriever.parseSlowLog(ctx, sctx, reader, logNum) - slowLog := <-retriever.parsedSlowLogCh - rows, err := slowLog.rows, slowLog.err - if err == io.EOF { - err = nil + retriever.parseSlowLog(ctx, sctx, reader, 64) + task, ok := <-retriever.taskList + if !ok { + return nil, nil } + var rows [][]types.Datum + var err error + result := <-task.resultCh + rows, err = result.rows, result.err return rows, err } @@ -294,8 +296,8 @@ select * from t;`) slowLog = bytes.NewBufferString( `# Time: 2019-05-12-11:23:29.614327491 +0800 # Txn_start_ts: 405888132465033227# +select * from t; `) - scanner = bufio.NewReader(slowLog) _, err = parseSlowLog(ctx, scanner, 64) c.Assert(err, IsNil) @@ -306,14 +308,6 @@ select * from t;`) } func (s *testExecSuite) TestSlowQueryRetriever(c *C) { - writeFile := func(file string, data string) { - f, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0644) - c.Assert(err, IsNil) - _, err = f.Write([]byte(data)) - c.Assert(f.Close(), IsNil) - c.Assert(err, IsNil) - } - logData0 := "" logData1 := ` # Time: 2020-02-15T18:00:01.000000+08:00 @@ -332,20 +326,16 @@ select 5; select 6; # Time: 2020-04-15T18:00:05.299063744+08:00 select 7;` + logData := []string{logData0, logData1, logData2, logData3} fileName0 := "tidb-slow-2020-02-14T19-04-05.01.log" fileName1 := "tidb-slow-2020-02-15T19-04-05.01.log" fileName2 := "tidb-slow-2020-02-16T19-04-05.01.log" fileName3 := "tidb-slow.log" - writeFile(fileName0, logData0) - writeFile(fileName1, logData1) - writeFile(fileName2, logData2) - writeFile(fileName3, logData3) + fileNames := []string{fileName0, fileName1, fileName2, fileName3} + prepareLogs(c, logData, fileNames) defer func() { - os.Remove(fileName0) - os.Remove(fileName1) - os.Remove(fileName2) - os.Remove(fileName3) + removeFiles(fileNames) }() cases := []struct { @@ -445,9 +435,7 @@ select 7;` c.Assert(err, IsNil) endTime, err := ParseTime(cas.endTime) c.Assert(err, IsNil) - extractor.StartTime = startTime - extractor.EndTime = endTime - + extractor.TimeRanges = []*plannercore.TimeRange{{StartTime: startTime, EndTime: endTime}} } retriever := &slowQueryRetriever{extractor: extractor} err := retriever.initialize(context.Background(), sctx) @@ -471,3 +459,144 @@ select 7;` c.Assert(retriever.close(), IsNil) } } + +func (s *testExecSuite) TestBatchLogForReversedScan(c *C) { + logData0 := "" + logData1 := ` +# Time: 2020-02-15T18:00:01.000000+08:00 +select 1; +# Time: 2020-02-15T19:00:05.000000+08:00 +select 2; +# Time: 2020-02-15T20:00:05.000000+08:00` + logData2 := `select 3; +# Time: 2020-02-16T18:00:01.000000+08:00 +select 4; +# Time: 2020-02-16T18:00:05.000000+08:00 +select 5;` + logData3 := ` +# Time: 2020-02-16T19:00:00.000000+08:00 +select 6; +# Time: 2020-02-17T18:00:05.000000+08:00 +select 7; +# Time: 2020-04-15T18:00:05.299063744+08:00` + logData4 := `select 8; +# Time: 2020-04-15T19:00:05.299063744+08:00 +select 9;` + logData := []string{logData0, logData1, logData2, logData3, logData4} + + fileName0 := "tidb-slow-2020-02-14T19-04-05.01.log" + fileName1 := "tidb-slow-2020-02-15T19-04-05.01.log" + fileName2 := "tidb-slow-2020-02-16T19-04-05.01.log" + fileName3 := "tidb-slow-2020-02-17T19-04-05.01.log" + fileName4 := "tidb-slow.log" + fileNames := []string{fileName0, fileName1, fileName2, fileName3, fileName4} + prepareLogs(c, logData, fileNames) + defer func() { + removeFiles(fileNames) + }() + + cases := []struct { + startTime string + endTime string + files []string + logs [][]string + }{ + { + startTime: "2020-02-15T18:00:00.000000+08:00", + endTime: "2020-02-15T19:00:00.000000+08:00", + files: []string{fileName1}, + logs: [][]string{ + {"# Time: 2020-02-15T19:00:05.000000+08:00", + "select 2;", + "# Time: 2020-02-15T18:00:01.000000+08:00", + "select 1;"}, + }, + }, + { + startTime: "2020-02-15T20:00:05.000000+08:00", + endTime: "2020-02-17T19:00:00.000000+08:00", + files: []string{fileName1, fileName2, fileName3}, + logs: [][]string{ + {"# Time: 2020-02-17T18:00:05.000000+08:00", + "select 7;", + "# Time: 2020-02-16T19:00:00.000000+08:00", + "select 6;", + "# Time: 2020-02-16T18:00:05.000000+08:00", + "select 5;", + "# Time: 2020-02-16T18:00:01.000000+08:00", + "select 4;", + "# Time: 2020-02-16T18:00:01.000000+08:00", + "select 3;"}, + }, + }, + { + startTime: "2020-02-16T19:00:00.000000+08:00", + endTime: "2020-04-15T20:00:00.000000+08:00", + files: []string{fileName3, fileName4}, + logs: [][]string{ + {"# Time: 2020-04-15T19:00:05.299063744+08:00", + "select 9;", + "Time: 2020-04-15T18:00:05.299063744+08:00", + "select 8;", + "# Time: 2020-02-17T18:00:05.000000+08:00", + "select 7;", + "# Time: 2020-02-16T19:00:00.000000+08:00", + "select 6;"}, + }, + }, + } + + loc, err := time.LoadLocation("Asia/Shanghai") + c.Assert(err, IsNil) + sctx := mock.NewContext() + sctx.GetSessionVars().TimeZone = loc + sctx.GetSessionVars().SlowQueryFile = fileName3 + for i, cas := range cases { + extractor := &plannercore.SlowQueryExtractor{Enable: (len(cas.startTime) > 0 && len(cas.endTime) > 0), Desc: true} + if extractor.Enable { + startTime, err := ParseTime(cas.startTime) + c.Assert(err, IsNil) + endTime, err := ParseTime(cas.endTime) + c.Assert(err, IsNil) + extractor.TimeRanges = []*plannercore.TimeRange{{StartTime: startTime, EndTime: endTime}} + } + retriever := &slowQueryRetriever{extractor: extractor} + sctx.GetSessionVars().SlowQueryFile = fileName4 + err := retriever.initialize(context.Background(), sctx) + c.Assert(err, IsNil) + comment := Commentf("case id: %v", i) + c.Assert(retriever.files, HasLen, len(cas.files), comment) + if len(retriever.files) > 0 { + reader := bufio.NewReader(retriever.files[0].file) + offset := &offset{length: 0, offset: 0} + rows, err := retriever.getBatchLogForReversedScan(context.Background(), reader, offset, 3) + c.Assert(err, IsNil) + for _, row := range rows { + for j, log := range row { + c.Assert(log, Equals, cas.logs[0][j], comment) + } + } + } + c.Assert(retriever.close(), IsNil) + } +} + +func prepareLogs(c *C, logData []string, fileNames []string) { + writeFile := func(file string, data string) { + f, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0644) + c.Assert(err, IsNil) + _, err = f.Write([]byte(data)) + c.Assert(f.Close(), IsNil) + c.Assert(err, IsNil) + } + + for i, log := range logData { + writeFile(fileNames[i], log) + } +} + +func removeFiles(fileNames []string) { + for _, fileName := range fileNames { + os.Remove(fileName) + } +} diff --git a/infoschema/tables.go b/infoschema/tables.go index 2d6f529103dbf..197c20bae30c1 100644 --- a/infoschema/tables.go +++ b/infoschema/tables.go @@ -261,19 +261,40 @@ func buildColumnInfo(col columnInfo) *model.ColumnInfo { func buildTableMeta(tableName string, cs []columnInfo) *model.TableInfo { cols := make([]*model.ColumnInfo, 0, len(cs)) - for _, c := range cs { - cols = append(cols, buildColumnInfo(c)) - } - for i, col := range cols { - col.Offset = i - } - return &model.TableInfo{ + primaryIndices := make([]*model.IndexInfo, 0, 1) + tblInfo := &model.TableInfo{ Name: model.NewCIStr(tableName), - Columns: cols, State: model.StatePublic, Charset: mysql.DefaultCharset, Collate: mysql.DefaultCollationName, } + for offset, c := range cs { + if tblInfo.Name.O == ClusterTableSlowLog && mysql.HasPriKeyFlag(c.flag) { + switch c.tp { + case mysql.TypeLong, mysql.TypeLonglong, + mysql.TypeTiny, mysql.TypeShort, mysql.TypeInt24: + tblInfo.PKIsHandle = true + default: + tblInfo.IsCommonHandle = true + index := &model.IndexInfo{ + Name: model.NewCIStr("primary"), + State: model.StatePublic, + Primary: true, + Unique: true, + Columns: []*model.IndexColumn{ + {Name: model.NewCIStr(c.name), Offset: offset, Length: types.UnspecifiedLength}}, + } + primaryIndices = append(primaryIndices, index) + tblInfo.Indices = primaryIndices + } + } + cols = append(cols, buildColumnInfo(c)) + } + for i, col := range cols { + col.Offset = i + } + tblInfo.Columns = cols + return tblInfo } var schemataCols = []columnInfo{ @@ -719,7 +740,7 @@ var tableTiDBIndexesCols = []columnInfo{ } var slowQueryCols = []columnInfo{ - {name: variable.SlowLogTimeStr, tp: mysql.TypeTimestamp, size: 26, decimal: 6}, + {name: variable.SlowLogTimeStr, tp: mysql.TypeTimestamp, size: 26, decimal: 6, flag: mysql.PriKeyFlag | mysql.NotNullFlag | mysql.BinaryFlag}, {name: variable.SlowLogTxnStartTSStr, tp: mysql.TypeLonglong, size: 20, flag: mysql.UnsignedFlag}, {name: variable.SlowLogUserStr, tp: mysql.TypeVarchar, size: 64}, {name: variable.SlowLogHostStr, tp: mysql.TypeVarchar, size: 64}, diff --git a/planner/core/find_best_task.go b/planner/core/find_best_task.go index 782a1d5cfdabc..da1480236914e 100644 --- a/planner/core/find_best_task.go +++ b/planner/core/find_best_task.go @@ -27,6 +27,7 @@ import ( "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/statistics" "github.com/pingcap/tidb/types" + tidbutil "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/logutil" @@ -1546,6 +1547,10 @@ func (ds *DataSource) convertToPointGet(prop *property.PhysicalProperty, candida return invalidTask } + if tidbutil.IsMemDB(ds.DBName.L) { + return invalidTask + } + accessCnt := math.Min(candidate.path.CountAfterAccess, float64(1)) pointGetPlan := PointGetPlan{ ctx: ds.ctx, diff --git a/planner/core/memtable_predicate_extractor.go b/planner/core/memtable_predicate_extractor.go index 6dece6b36f9a7..870875c311a7c 100644 --- a/planner/core/memtable_predicate_extractor.go +++ b/planner/core/memtable_predicate_extractor.go @@ -24,12 +24,18 @@ import ( "time" "github.com/cznic/mathutil" + "github.com/pingcap/kvproto/pkg/coprocessor" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/expression" "github.com/pingcap/tidb/infoschema" + "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx" + "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" + "github.com/pingcap/tidb/util/chunk" + "github.com/pingcap/tidb/util/codec" + "github.com/pingcap/tidb/util/rowcodec" "github.com/pingcap/tidb/util/set" "github.com/pingcap/tidb/util/stringutil" "github.com/pingcap/tipb/go-tipb" @@ -936,12 +942,18 @@ type SlowQueryExtractor struct { extractHelper SkipRequest bool - StartTime time.Time - EndTime time.Time + TimeRanges []*TimeRange // Enable is true means the executor should use the time range to locate the slow-log file that need to be parsed. // Enable is false, means the executor should keep the behavior compatible with before, which is only parse the // current slow-log file. Enable bool + Desc bool +} + +// TimeRange is used to check whether a given log should be extracted. +type TimeRange struct { + StartTime time.Time + EndTime time.Time } // Extract implements the MemTablePredicateExtractor Extract interface @@ -953,7 +965,7 @@ func (e *SlowQueryExtractor) Extract( ) []expression.Expression { remained, startTime, endTime := e.extractTimeRange(ctx, schema, names, predicates, "time", ctx.GetSessionVars().StmtCtx.TimeZone) e.setTimeRange(startTime, endTime) - e.SkipRequest = e.Enable && e.StartTime.After(e.EndTime) + e.SkipRequest = e.Enable && e.TimeRanges[0].StartTime.After(e.TimeRanges[0].EndTime) if e.SkipRequest { return nil } @@ -978,10 +990,63 @@ func (e *SlowQueryExtractor) setTimeRange(start, end int64) { if end == 0 { endTime = startTime.Add(defaultSlowQueryDuration) } - e.StartTime, e.EndTime = startTime, endTime + timeRange := &TimeRange{ + StartTime: startTime, + EndTime: endTime, + } + e.TimeRanges = append(e.TimeRanges, timeRange) e.Enable = true } +func (e *SlowQueryExtractor) buildTimeRangeFromKeyRange(keyRanges []*coprocessor.KeyRange) error { + for _, kr := range keyRanges { + startTime, err := e.decodeBytesToTime(kr.Start) + if err != nil { + return err + } + endTime, err := e.decodeBytesToTime(kr.End) + if err != nil { + return err + } + e.setTimeRange(startTime, endTime) + } + return nil +} + +func (e *SlowQueryExtractor) decodeBytesToTime(bs []byte) (int64, error) { + if len(bs) >= tablecodec.RecordRowKeyLen { + t, err := tablecodec.DecodeRowKey(bs) + if err != nil { + return 0, nil + } + return e.decodeToTime(t) + } + return 0, nil +} + +func (e *SlowQueryExtractor) decodeToTime(handle kv.Handle) (int64, error) { + tp := types.NewFieldType(mysql.TypeDatetime) + col := rowcodec.ColInfo{ID: 0, Ft: tp} + chk := chunk.NewChunkWithCapacity([]*types.FieldType{tp}, 1) + coder := codec.NewDecoder(chk, nil) + _, err := coder.DecodeOne(handle.EncodedCol(0), 0, col.Ft) + if err != nil { + return 0, err + } + datum := chk.GetRow(0).GetDatum(0, tp) + mysqlTime := (&datum).GetMysqlTime() + timestampInNano := time.Date(mysqlTime.Year(), + time.Month(mysqlTime.Month()), + mysqlTime.Day(), + mysqlTime.Hour(), + mysqlTime.Minute(), + mysqlTime.Second(), + mysqlTime.Microsecond()*1000, + time.UTC, + ).UnixNano() + return timestampInNano, err +} + // TableStorageStatsExtractor is used to extract some predicates of `disk_usage`. type TableStorageStatsExtractor struct { extractHelper @@ -1040,8 +1105,8 @@ func (e *SlowQueryExtractor) explainInfo(p *PhysicalMemTable) string { if !e.Enable { return fmt.Sprintf("only search in the current '%v' file", p.ctx.GetSessionVars().SlowQueryFile) } - startTime := e.StartTime.In(p.ctx.GetSessionVars().StmtCtx.TimeZone) - endTime := e.EndTime.In(p.ctx.GetSessionVars().StmtCtx.TimeZone) + startTime := e.TimeRanges[0].StartTime.In(p.ctx.GetSessionVars().StmtCtx.TimeZone) + endTime := e.TimeRanges[0].EndTime.In(p.ctx.GetSessionVars().StmtCtx.TimeZone) return fmt.Sprintf("start_time:%v, end_time:%v", types.NewTime(types.FromGoTime(startTime), mysql.TypeDatetime, types.MaxFsp).String(), types.NewTime(types.FromGoTime(endTime), mysql.TypeDatetime, types.MaxFsp).String()) diff --git a/planner/core/pb_to_plan.go b/planner/core/pb_to_plan.go index e624bb96374c8..3cfaf6708affe 100644 --- a/planner/core/pb_to_plan.go +++ b/planner/core/pb_to_plan.go @@ -17,6 +17,7 @@ import ( "strings" "github.com/pingcap/errors" + "github.com/pingcap/kvproto/pkg/coprocessor" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/model" "github.com/pingcap/tidb/expression" @@ -31,14 +32,15 @@ import ( // PBPlanBuilder uses to build physical plan from dag protocol buffers. type PBPlanBuilder struct { - sctx sessionctx.Context - tps []*types.FieldType - is infoschema.InfoSchema + sctx sessionctx.Context + tps []*types.FieldType + is infoschema.InfoSchema + ranges []*coprocessor.KeyRange } // NewPBPlanBuilder creates a new pb plan builder. -func NewPBPlanBuilder(sctx sessionctx.Context, is infoschema.InfoSchema) *PBPlanBuilder { - return &PBPlanBuilder{sctx: sctx, is: is} +func NewPBPlanBuilder(sctx sessionctx.Context, is infoschema.InfoSchema, ranges []*coprocessor.KeyRange) *PBPlanBuilder { + return &PBPlanBuilder{sctx: sctx, is: is, ranges: ranges} } // Build builds physical plan from dag protocol buffers. @@ -107,7 +109,15 @@ func (b *PBPlanBuilder) pbToTableScan(e *tipb.Executor) (PhysicalPlan, error) { }.Init(b.sctx, &property.StatsInfo{}, 0) p.SetSchema(schema) if strings.ToUpper(p.Table.Name.O) == infoschema.ClusterTableSlowLog { - p.Extractor = &SlowQueryExtractor{} + extractor := &SlowQueryExtractor{} + extractor.Desc = tblScan.Desc + if b.ranges != nil { + err := extractor.buildTimeRangeFromKeyRange(b.ranges) + if err != nil { + return nil, err + } + } + p.Extractor = extractor } return p, nil } diff --git a/planner/core/point_get_plan.go b/planner/core/point_get_plan.go index abbd1ca8fdd32..83bd72fd0c2bb 100644 --- a/planner/core/point_get_plan.go +++ b/planner/core/point_get_plan.go @@ -36,6 +36,7 @@ import ( "github.com/pingcap/tidb/table/tables" "github.com/pingcap/tidb/types" driver "github.com/pingcap/tidb/types/parser_driver" + tidbutil "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/math" "github.com/pingcap/tidb/util/plancodec" "github.com/pingcap/tidb/util/stringutil" @@ -424,6 +425,9 @@ func TryFastPlan(ctx sessionctx.Context, node ast.Node) (p Plan) { if checkFastPlanPrivilege(ctx, fp.dbName, fp.TblInfo.Name.L, mysql.SelectPriv) != nil { return } + if tidbutil.IsMemDB(fp.dbName) { + return nil + } fp.Lock, fp.LockWaitTime = getLockWaitTime(ctx, x.LockInfo) p = fp return @@ -432,6 +436,9 @@ func TryFastPlan(ctx sessionctx.Context, node ast.Node) (p Plan) { if checkFastPlanPrivilege(ctx, fp.dbName, fp.TblInfo.Name.L, mysql.SelectPriv) != nil { return nil } + if tidbutil.IsMemDB(fp.dbName) { + return nil + } if fp.IsTableDual { tableDual := PhysicalTableDual{} tableDual.names = fp.outputNames From 57cd6947311c66049734632786fb0da7a3cddbaf Mon Sep 17 00:00:00 2001 From: Shenghui Wu <793703860@qq.com> Date: Mon, 4 Jan 2021 14:46:15 +0800 Subject: [PATCH 0607/1021] session: set process info before building plan (#22101) --- session/session.go | 10 +++++++++- session/session_test.go | 18 ++++++++++++++++++ 2 files changed, 27 insertions(+), 1 deletion(-) diff --git a/session/session.go b/session/session.go index 2d2d17c383745..17f82e9983b67 100644 --- a/session/session.go +++ b/session/session.go @@ -1115,16 +1115,20 @@ func (s *session) SetProcessInfo(sql string, t time.Time, command byte, maxExecu MaxExecutionTime: maxExecutionTime, RedactSQL: s.sessionVars.EnableRedactLog, } + oldPi := s.ShowProcess() if p == nil { // Store the last valid plan when the current plan is nil. // This is for `explain for connection` statement has the ability to query the last valid plan. - oldPi := s.ShowProcess() if oldPi != nil && oldPi.Plan != nil && len(oldPi.PlanExplainRows) > 0 { pi.Plan = oldPi.Plan pi.PlanExplainRows = oldPi.PlanExplainRows pi.RuntimeStatsColl = oldPi.RuntimeStatsColl } } + // We set process info before building plan, so we extended execution time. + if oldPi != nil && oldPi.Info == pi.Info { + pi.Time = oldPi.Time + } _, pi.Digest = s.sessionVars.StmtCtx.SQLDigest() // DO NOT reset the currentPlan to nil until this query finishes execution, otherwise reentrant calls // of SetProcessInfo would override Plan and PlanExplainRows to nil. @@ -1227,6 +1231,10 @@ func (s *session) ExecuteStmt(ctx context.Context, stmtNode ast.StmtNode) (sqlex return nil, err } + // Uncorrelated subqueries will execute once when building plan, so we reset process info before building plan. + cmd32 := atomic.LoadUint32(&s.GetSessionVars().CommandValue) + s.SetProcessInfo(stmtNode.Text(), time.Now(), byte(cmd32), 0) + // Transform abstract syntax tree to a physical plan(stored in executor.ExecStmt). compiler := executor.Compiler{Ctx: s} stmt, err := compiler.Compile(ctx, stmtNode) diff --git a/session/session_test.go b/session/session_test.go index bb59291b4244a..467e2d85a189c 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -3865,3 +3865,21 @@ func (s *testSessionSerialSuite) TestIssue21943(c *C) { _, err = tk.Exec("set @@last_plan_from_cache='123';") c.Assert(err.Error(), Equals, "[variable:1238]Variable 'last_plan_from_cache' is a read only variable") } + +func (s *testSessionSerialSuite) TestProcessInfoIssue22068(c *C) { + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("create table t(a int)") + wg := sync.WaitGroup{} + wg.Add(1) + go func() { + tk.MustQuery("select 1 from t where a = (select sleep(5));").Check(testkit.Rows()) + wg.Done() + }() + time.Sleep(2 * time.Second) + pi := tk.Se.ShowProcess() + c.Assert(pi, NotNil) + c.Assert(pi.Info, Equals, "select 1 from t where a = (select sleep(5));") + c.Assert(pi.Plan, IsNil) + wg.Wait() +} From 0ddf74b19df1425be1069a5412e7d75216f8c40e Mon Sep 17 00:00:00 2001 From: rebelice Date: Mon, 4 Jan 2021 16:22:45 +0800 Subject: [PATCH 0608/1021] statistics: no more counting feedback if it is invalid (#21712) --- session/session.go | 4 ++ statistics/handle/update_test.go | 63 ++++++++++++++++++++++++++++++++ 2 files changed, 67 insertions(+) diff --git a/session/session.go b/session/session.go index 17f82e9983b67..95c4c4a2ce52e 100644 --- a/session/session.go +++ b/session/session.go @@ -62,6 +62,7 @@ import ( "github.com/pingcap/tidb/sessionctx/binloginfo" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/sessionctx/variable" + "github.com/pingcap/tidb/statistics" "github.com/pingcap/tidb/statistics/handle" "github.com/pingcap/tidb/store/tikv" "github.com/pingcap/tidb/store/tikv/oracle" @@ -353,6 +354,9 @@ func (s *session) GetSessionManager() util.SessionManager { } func (s *session) StoreQueryFeedback(feedback interface{}) { + if fb, ok := feedback.(*statistics.QueryFeedback); !ok || fb == nil || !fb.Valid { + return + } if s.statsCollector != nil { do, err := GetDomain(s.store) if err != nil { diff --git a/statistics/handle/update_test.go b/statistics/handle/update_test.go index 6e8bd6f4aad61..34889cc4aa536 100644 --- a/statistics/handle/update_test.go +++ b/statistics/handle/update_test.go @@ -17,6 +17,7 @@ import ( "fmt" "math" "os" + "strconv" "strings" "time" @@ -26,6 +27,7 @@ import ( "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/metrics" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/statistics" @@ -36,6 +38,7 @@ import ( "github.com/pingcap/tidb/util/ranger" "github.com/pingcap/tidb/util/testkit" "github.com/pingcap/tidb/util/testleak" + dto "github.com/prometheus/client_model/go" "go.uber.org/zap" "go.uber.org/zap/zapcore" ) @@ -1784,3 +1787,63 @@ func (s *testStatsSuite) BenchmarkHandleAutoAnalyze(c *C) { h.HandleAutoAnalyze(is) } } + +// subtraction parses the number for counter and returns new - old. +// string for counter will be `label: counter: ` +func subtraction(newMetric *dto.Metric, oldMetric *dto.Metric) int { + newStr := newMetric.String() + oldStr := oldMetric.String() + newIdx := strings.LastIndex(newStr, ":") + newNum, _ := strconv.Atoi(newStr[newIdx+1 : len(newStr)-3]) + oldIdx := strings.LastIndex(oldStr, ":") + oldNum, _ := strconv.Atoi(oldStr[oldIdx+1 : len(oldStr)-3]) + return newNum - oldNum +} + +func (s *testStatsSuite) TestDisableFeedback(c *C) { + defer cleanEnv(c, s.store, s.do) + testKit := testkit.NewTestKit(c, s.store) + + oriProbability := statistics.FeedbackProbability + defer func() { + statistics.FeedbackProbability = oriProbability + }() + statistics.FeedbackProbability.Store(0.0) + oldNum := &dto.Metric{} + metrics.StoreQueryFeedbackCounter.WithLabelValues(metrics.LblOK).Write(oldNum) + testKit.MustExec("use test") + testKit.MustExec("create table t (a int, b int, index idx_a(a))") + testKit.MustExec("insert into t values (1, 1), (2, 2), (3, 3), (5, 5)") + testKit.MustExec("analyze table t with 0 topn") + for i := 0; i < 20; i++ { + testKit.MustQuery("select /*+ use_index(t, idx_a) */ * from t where a < 4") + } + + newNum := &dto.Metric{} + metrics.StoreQueryFeedbackCounter.WithLabelValues(metrics.LblOK).Write(newNum) + c.Assert(subtraction(newNum, oldNum), Equals, 0) +} + +func (s *testStatsSuite) TestFeedbackCounter(c *C) { + defer cleanEnv(c, s.store, s.do) + testKit := testkit.NewTestKit(c, s.store) + + oriProbability := statistics.FeedbackProbability + defer func() { + statistics.FeedbackProbability = oriProbability + }() + statistics.FeedbackProbability.Store(1) + oldNum := &dto.Metric{} + metrics.StoreQueryFeedbackCounter.WithLabelValues(metrics.LblOK).Write(oldNum) + testKit.MustExec("use test") + testKit.MustExec("create table t (a int, b int, index idx_a(a))") + testKit.MustExec("insert into t values (1, 1), (2, 2), (3, 3), (5, 5)") + testKit.MustExec("analyze table t with 0 topn") + for i := 0; i < 20; i++ { + testKit.MustQuery("select /*+ use_index(t, idx_a) */ * from t where a < 4") + } + + newNum := &dto.Metric{} + metrics.StoreQueryFeedbackCounter.WithLabelValues(metrics.LblOK).Write(newNum) + c.Assert(subtraction(newNum, oldNum), Equals, 20) +} From 536dfdfe2f727b5dfb6bddb889150c3b235172ef Mon Sep 17 00:00:00 2001 From: tangenta Date: Mon, 4 Jan 2021 16:37:15 +0800 Subject: [PATCH 0609/1021] executor: always decode the value first and then the handle (#22073) --- executor/builder.go | 2 +- executor/clustered_index_test.go | 24 ++++++++++++++++++++++++ executor/executor_test.go | 1 + util/rowcodec/decoder.go | 14 ++++++++++---- 4 files changed, 36 insertions(+), 5 deletions(-) diff --git a/executor/builder.go b/executor/builder.go index e297ef0fd5afd..2958525d15f97 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -963,7 +963,7 @@ func (b *executorBuilder) buildUnionScanFromReader(reader Executor, v *plannerco } return x } - // If reader is union, it means a partitiont table and we should transfer as above. + // If reader is union, it means a partition table and we should transfer as above. if x, ok := reader.(*UnionExec); ok { for i, child := range x.children { x.children[i] = b.buildUnionScanFromReader(child, v) diff --git a/executor/clustered_index_test.go b/executor/clustered_index_test.go index e226e90a76ea8..db1e0e636a4ae 100644 --- a/executor/clustered_index_test.go +++ b/executor/clustered_index_test.go @@ -17,10 +17,12 @@ import ( . "github.com/pingcap/check" "github.com/pingcap/tidb/errno" "github.com/pingcap/tidb/store/tikv" + "github.com/pingcap/tidb/util/collate" "github.com/pingcap/tidb/util/testkit" ) type testClusteredSuite struct{ *baseTestSuite } +type testClusteredSerialSuite struct{ *testClusteredSuite } func (s *testClusteredSuite) SetUpTest(c *C) { } @@ -184,6 +186,28 @@ func (s *testClusteredSuite) TestClusteredPrefixingPrimaryKey(c *C) { tk.MustExec("admin check table t;") } +// Test for union scan in prefixed clustered index table. +// See https://github.com/pingcap/tidb/issues/22069. +func (s *testClusteredSerialSuite) TestClusteredUnionScanOnPrefixingPrimaryKey(c *C) { + originCollate := collate.NewCollationEnabled() + collate.SetNewCollationEnabledForTest(false) + defer collate.SetNewCollationEnabledForTest(originCollate) + tk := s.newTK(c) + tk.MustExec("drop table if exists t;") + tk.MustExec("create table t (col_1 varchar(255), col_2 tinyint, primary key idx_1 (col_1(1)));") + tk.MustExec("insert into t values ('aaaaa', -38);") + tk.MustExec("insert into t values ('bbbbb', -48);") + + tk.MustExec("begin PESSIMISTIC;") + tk.MustExec("update t set col_2 = 47 where col_1 in ('aaaaa') order by col_1,col_2;") + tk.MustQuery("select * from t;").Check(testkit.Rows("aaaaa 47", "bbbbb -48")) + tk.MustGetErrCode("insert into t values ('bb', 0);", errno.ErrDupEntry) + tk.MustGetErrCode("insert into t values ('aa', 0);", errno.ErrDupEntry) + tk.MustExec("commit;") + tk.MustQuery("select * from t;").Check(testkit.Rows("aaaaa 47", "bbbbb -48")) + tk.MustExec("admin check table t;") +} + func (s *testClusteredSuite) TestClusteredWithOldRowFormat(c *C) { tk := s.newTK(c) tk.Se.GetSessionVars().RowEncoder.Enable = false diff --git a/executor/executor_test.go b/executor/executor_test.go index c18655cd9b5e1..debf33f3103c4 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -119,6 +119,7 @@ var _ = Suite(&testSuite6{&baseTestSuite{}}) var _ = Suite(&testSuite7{&baseTestSuite{}}) var _ = Suite(&testSuite8{&baseTestSuite{}}) var _ = Suite(&testClusteredSuite{&baseTestSuite{}}) +var _ = SerialSuites(&testClusteredSerialSuite{&testClusteredSuite{&baseTestSuite{}}}) var _ = SerialSuites(&testShowStatsSuite{&baseTestSuite{}}) var _ = Suite(&testBypassSuite{}) var _ = Suite(&testUpdateSuite{}) diff --git a/util/rowcodec/decoder.go b/util/rowcodec/decoder.go index b9476eb794985..8400991b563ba 100644 --- a/util/rowcodec/decoder.go +++ b/util/rowcodec/decoder.go @@ -222,6 +222,9 @@ func (decoder *ChunkDecoder) DecodeToChunk(rowData []byte, handle kv.Handle, chk continue } + // Only try to decode handle when there is no corresponding column in the value. + // This is because the information in handle may be incomplete in some cases. + // For example, prefixed clustered index like 'primary key(col1(1))' only store the leftmost 1 char in the handle. if decoder.tryAppendHandleColumn(colIdx, col, handle, chk) { continue } @@ -385,10 +388,6 @@ func (decoder *BytesDecoder) decodeToBytesInternal(outputOffset map[int64]int, h tp := fieldType2Flag(col.Ft.Tp, col.Ft.Flag&mysql.UnsignedFlag == 0) colID := col.ID offset := outputOffset[colID] - if decoder.tryDecodeHandle(values, offset, col, handle, cacheBytes) { - continue - } - idx, isNil, notFound := r.findColID(colID) if !notFound && !isNil { val := r.getData(idx) @@ -396,6 +395,13 @@ func (decoder *BytesDecoder) decodeToBytesInternal(outputOffset map[int64]int, h continue } + // Only try to decode handle when there is no corresponding column in the value. + // This is because the information in handle may be incomplete in some cases. + // For example, prefixed clustered index like 'primary key(col1(1))' only store the leftmost 1 char in the handle. + if decoder.tryDecodeHandle(values, offset, col, handle, cacheBytes) { + continue + } + if isNil { values[offset] = []byte{NilFlag} continue From 76054200b6340f064e25046038d1ac1fdbe7e4ff Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Mon, 4 Jan 2021 17:57:24 +0800 Subject: [PATCH 0610/1021] statistics: redesign the schema for `mysql.stats_extended` (#22033) Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com> --- executor/simple.go | 4 +- session/bootstrap.go | 20 +++++++--- statistics/handle/dump.go | 12 ++---- statistics/handle/gc.go | 8 ++-- statistics/handle/gc_test.go | 22 +++++------ statistics/handle/handle.go | 68 ++++++++++++++++++-------------- statistics/handle/handle_test.go | 41 ++++++++++--------- statistics/table.go | 16 +++----- 8 files changed, 97 insertions(+), 94 deletions(-) diff --git a/executor/simple.go b/executor/simple.go index 665be9061eac8..8e46aee85aac6 100644 --- a/executor/simple.go +++ b/executor/simple.go @@ -1368,7 +1368,7 @@ func (e *SimpleExec) executeCreateStatistics(s *ast.CreateStatisticsStmt) (err e // Call utilities of statistics.Handle to modify system tables instead of doing DML directly, // because locking in Handle can guarantee the correctness of `version` in system tables. - return domain.GetDomain(e.ctx).StatsHandle().InsertExtendedStats(s.StatsName, s.Table.Schema.L, colIDs, int(s.StatsType), tblInfo.ID, s.IfNotExists) + return domain.GetDomain(e.ctx).StatsHandle().InsertExtendedStats(s.StatsName, colIDs, int(s.StatsType), tblInfo.ID, s.IfNotExists) } func (e *SimpleExec) executeDropStatistics(s *ast.DropStatisticsStmt) error { @@ -1381,7 +1381,7 @@ func (e *SimpleExec) executeDropStatistics(s *ast.DropStatisticsStmt) error { } // Call utilities of statistics.Handle to modify system tables instead of doing DML directly, // because locking in Handle can guarantee the correctness of `version` in system tables. - return domain.GetDomain(e.ctx).StatsHandle().MarkExtendedStatsDeleted(s.StatsName, db, -1) + return domain.GetDomain(e.ctx).StatsHandle().MarkExtendedStatsDeleted(s.StatsName, -1) } func (e *SimpleExec) executeAdminReloadStatistics(s *ast.AdminStmt) error { diff --git a/session/bootstrap.go b/session/bootstrap.go index c94d2e2527459..c1a766d00432e 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -293,16 +293,14 @@ const ( // CreateStatsExtended stores the registered extended statistics. CreateStatsExtended = `CREATE TABLE IF NOT EXISTS mysql.stats_extended ( - stats_name varchar(32) NOT NULL, - db varchar(32) NOT NULL, + name varchar(32) NOT NULL, type tinyint(4) NOT NULL, table_id bigint(64) NOT NULL, column_ids varchar(32) NOT NULL, - scalar_stats double DEFAULT NULL, - blob_stats blob DEFAULT NULL, + stats blob DEFAULT NULL, version bigint(64) unsigned NOT NULL, status tinyint(4) NOT NULL, - PRIMARY KEY(stats_name, db), + PRIMARY KEY(name, table_id), KEY idx_1 (table_id, status, version), KEY idx_2 (status, version) );` @@ -449,9 +447,11 @@ const ( version58 = 58 // version59 add writes a variable `oom-action` to mysql.tidb if it's a cluster upgraded from v3.0.x to v4.0.11+. version59 = 59 + // version60 redesigns `mysql.stats_extended` + version60 = 60 // please make sure this is the largest version - currentBootstrapVersion = version59 + currentBootstrapVersion = version60 ) var ( @@ -1288,6 +1288,14 @@ func upgradeToVer59(s Session, ver int64) { writeOOMAction(s) } +func upgradeToVer60(s Session, ver int64) { + if ver >= version60 { + return + } + mustExecute(s, "DROP TABLE IF EXISTS mysql.stats_extended") + doReentrantDDL(s, CreateStatsExtended) +} + func writeMemoryQuotaQuery(s Session) { comment := "memory_quota_query is 32GB by default in v3.0.x, 1GB by default in v4.0.x+" sql := fmt.Sprintf(`INSERT HIGH_PRIORITY INTO %s.%s VALUES ("%s", '%d', '%s') ON DUPLICATE KEY UPDATE VARIABLE_VALUE='%d'`, diff --git a/statistics/handle/dump.go b/statistics/handle/dump.go index 006a6d1dc2711..cb77193f67305 100644 --- a/statistics/handle/dump.go +++ b/statistics/handle/dump.go @@ -42,7 +42,6 @@ type JSONTable struct { type jsonExtendedStats struct { StatsName string `json:"stats_name"` - DB string `json:"db"` ColIDs []int64 `json:"cols"` Tp uint8 `json:"type"` ScalarVals float64 `json:"scalar_vals"` @@ -54,10 +53,9 @@ func dumpJSONExtendedStats(statsColl *statistics.ExtendedStatsColl) []*jsonExten return nil } stats := make([]*jsonExtendedStats, 0, len(statsColl.Stats)) - for key, item := range statsColl.Stats { + for name, item := range statsColl.Stats { js := &jsonExtendedStats{ - StatsName: key.StatsName, - DB: key.DB, + StatsName: name, ColIDs: item.ColIDs, Tp: item.Tp, ScalarVals: item.ScalarVals, @@ -74,17 +72,13 @@ func extendedStatsFromJSON(statsColl []*jsonExtendedStats) *statistics.ExtendedS } stats := statistics.NewExtendedStatsColl() for _, js := range statsColl { - key := statistics.ExtendedStatsKey{ - StatsName: js.StatsName, - DB: js.DB, - } item := &statistics.ExtendedStatsItem{ ColIDs: js.ColIDs, Tp: js.Tp, ScalarVals: js.ScalarVals, StringVals: js.StringVals, } - stats.Stats[key] = item + stats.Stats[js.StatsName] = item } return stats } diff --git a/statistics/handle/gc.go b/statistics/handle/gc.go index 65f978c82c7b0..232940c051d35 100644 --- a/statistics/handle/gc.go +++ b/statistics/handle/gc.go @@ -96,7 +96,7 @@ func (h *Handle) gcTableStats(is infoschema.InfoSchema, physicalID int64) error } } // Mark records in mysql.stats_extended as `deleted`. - sql = fmt.Sprintf("select stats_name, db, column_ids from mysql.stats_extended where table_id = %d and status in (%d, %d)", physicalID, StatsStatusAnalyzed, StatsStatusInited) + sql = fmt.Sprintf("select name, column_ids from mysql.stats_extended where table_id = %d and status in (%d, %d)", physicalID, StatsStatusAnalyzed, StatsStatusInited) rows, _, err = h.restrictedExec.ExecRestrictedSQL(sql) if err != nil { return errors.Trace(err) @@ -105,7 +105,7 @@ func (h *Handle) gcTableStats(is infoschema.InfoSchema, physicalID int64) error return nil } for _, row := range rows { - statsName, db, strColIDs := row.GetString(0), row.GetString(1), row.GetString(2) + statsName, strColIDs := row.GetString(0), row.GetString(1) var colIDs []int64 err = json.Unmarshal([]byte(strColIDs), &colIDs) if err != nil { @@ -121,9 +121,9 @@ func (h *Handle) gcTableStats(is infoschema.InfoSchema, physicalID int64) error } } if !found { - err = h.MarkExtendedStatsDeleted(statsName, db, physicalID) + err = h.MarkExtendedStatsDeleted(statsName, physicalID) if err != nil { - logutil.BgLogger().Debug("update stats_extended status failed", zap.String("stats_name", statsName), zap.String("db", db), zap.Error(err)) + logutil.BgLogger().Debug("update stats_extended status failed", zap.String("stats_name", statsName), zap.Error(err)) return errors.Trace(err) } break diff --git a/statistics/handle/gc_test.go b/statistics/handle/gc_test.go index 127d43fbf3d8b..44fa53558d2f0 100644 --- a/statistics/handle/gc_test.go +++ b/statistics/handle/gc_test.go @@ -104,26 +104,26 @@ func (s *testStatsSuite) TestGCExtendedStats(c *C) { testKit.MustExec("create statistics s2(correlation) on t(b,c)") testKit.MustExec("analyze table t") - testKit.MustQuery("select stats_name, db, type, column_ids, scalar_stats, blob_stats, status from mysql.stats_extended").Sort().Check(testkit.Rows( - "s1 test 2 [1,2] 1 1", - "s2 test 2 [2,3] 1 1", + testKit.MustQuery("select name, type, column_ids, stats, status from mysql.stats_extended").Sort().Check(testkit.Rows( + "s1 2 [1,2] 1.000000 1", + "s2 2 [2,3] 1.000000 1", )) testKit.MustExec("alter table t drop column a") - testKit.MustQuery("select stats_name, db, type, column_ids, scalar_stats, blob_stats, status from mysql.stats_extended").Sort().Check(testkit.Rows( - "s1 test 2 [1,2] 1 1", - "s2 test 2 [2,3] 1 1", + testKit.MustQuery("select name, type, column_ids, stats, status from mysql.stats_extended").Sort().Check(testkit.Rows( + "s1 2 [1,2] 1.000000 1", + "s2 2 [2,3] 1.000000 1", )) h := s.do.StatsHandle() h.SetLastUpdateVersion(math.MaxUint64) ddlLease := time.Duration(0) c.Assert(h.GCStats(s.do.InfoSchema(), ddlLease), IsNil) - testKit.MustQuery("select stats_name, db, type, column_ids, scalar_stats, blob_stats, status from mysql.stats_extended").Check(testkit.Rows( - "s2 test 2 [2,3] 1 1", + testKit.MustQuery("select name, type, column_ids, stats, status from mysql.stats_extended").Check(testkit.Rows( + "s2 2 [2,3] 1.000000 1", )) testKit.MustExec("drop table t") - testKit.MustQuery("select stats_name, db, type, column_ids, scalar_stats, blob_stats, status from mysql.stats_extended").Check(testkit.Rows( - "s2 test 2 [2,3] 1 1", + testKit.MustQuery("select name, type, column_ids, stats, status from mysql.stats_extended").Check(testkit.Rows( + "s2 2 [2,3] 1.000000 1", )) c.Assert(h.GCStats(s.do.InfoSchema(), ddlLease), IsNil) - testKit.MustQuery("select stats_name, db, type, column_ids, scalar_stats, blob_stats, status from mysql.stats_extended").Check(testkit.Rows()) + testKit.MustQuery("select name, type, column_ids, stats, status from mysql.stats_extended").Check(testkit.Rows()) } diff --git a/statistics/handle/handle.go b/statistics/handle/handle.go index 7d880464cc036..dd88e1f7a6289 100644 --- a/statistics/handle/handle.go +++ b/statistics/handle/handle.go @@ -17,6 +17,7 @@ import ( "context" "encoding/json" "fmt" + "strconv" "sync" "sync/atomic" "time" @@ -613,33 +614,40 @@ func (h *Handle) extendedStatsFromStorage(reader *statsReader, table *statistics } else { table.ExtendedStats = statistics.NewExtendedStatsColl() } - sql := fmt.Sprintf("select stats_name, db, status, type, column_ids, scalar_stats, blob_stats, version from mysql.stats_extended where table_id = %d and status in (%d, %d) and version > %d", physicalID, StatsStatusAnalyzed, StatsStatusDeleted, lastVersion) + sql := fmt.Sprintf("select name, status, type, column_ids, stats, version from mysql.stats_extended where table_id = %d and status in (%d, %d) and version > %d", physicalID, StatsStatusAnalyzed, StatsStatusDeleted, lastVersion) rows, _, err := reader.read(sql) if err != nil || len(rows) == 0 { return table, nil } for _, row := range rows { - lastVersion = mathutil.MaxUint64(lastVersion, row.GetUint64(7)) - key := statistics.ExtendedStatsKey{ - StatsName: row.GetString(0), - DB: row.GetString(1), - } - status := uint8(row.GetInt64(2)) + lastVersion = mathutil.MaxUint64(lastVersion, row.GetUint64(5)) + name := row.GetString(0) + status := uint8(row.GetInt64(1)) if status == StatsStatusDeleted { - delete(table.ExtendedStats.Stats, key) + delete(table.ExtendedStats.Stats, name) } else { item := &statistics.ExtendedStatsItem{ - Tp: uint8(row.GetInt64(3)), - ScalarVals: row.GetFloat64(5), - StringVals: row.GetString(6), + Tp: uint8(row.GetInt64(2)), } - colIDs := row.GetString(4) + colIDs := row.GetString(3) err := json.Unmarshal([]byte(colIDs), &item.ColIDs) if err != nil { logutil.BgLogger().Error("[stats] decode column IDs failed", zap.String("column_ids", colIDs), zap.Error(err)) return nil, err } - table.ExtendedStats.Stats[key] = item + statsStr := row.GetString(4) + if item.Tp == ast.StatsTypeCardinality || item.Tp == ast.StatsTypeCorrelation { + if statsStr != "" { + item.ScalarVals, err = strconv.ParseFloat(statsStr, 64) + if err != nil { + logutil.BgLogger().Error("[stats] parse scalar stats failed", zap.String("stats", statsStr), zap.Error(err)) + return nil, err + } + } + } else { + item.StringVals = statsStr + } + table.ExtendedStats.Stats[name] = item } } table.ExtendedStats.LastUpdateVersion = lastVersion @@ -912,7 +920,7 @@ const ( ) // InsertExtendedStats inserts a record into mysql.stats_extended and update version in mysql.stats_meta. -func (h *Handle) InsertExtendedStats(statsName, db string, colIDs []int64, tp int, tableID int64, ifNotExists bool) (err error) { +func (h *Handle) InsertExtendedStats(statsName string, colIDs []int64, tp int, tableID int64, ifNotExists bool) (err error) { bytes, err := json.Marshal(colIDs) if err != nil { return errors.Trace(err) @@ -934,7 +942,7 @@ func (h *Handle) InsertExtendedStats(statsName, db string, colIDs []int64, tp in return errors.Trace(err) } version := txn.StartTS() - sql := fmt.Sprintf("INSERT INTO mysql.stats_extended(stats_name, db, type, table_id, column_ids, version, status) VALUES ('%s', '%s', %d, %d, '%s', %d, %d)", statsName, db, tp, tableID, strColIDs, version, StatsStatusInited) + sql := fmt.Sprintf("INSERT INTO mysql.stats_extended(name, type, table_id, column_ids, version, status) VALUES ('%s', %d, %d, '%s', %d, %d)", statsName, tp, tableID, strColIDs, version, StatsStatusInited) _, err = exec.Execute(ctx, sql) // Key exists, but `if not exists` is specified, so we ignore this error. if kv.ErrKeyExists.Equal(err) && ifNotExists { @@ -944,9 +952,10 @@ func (h *Handle) InsertExtendedStats(statsName, db string, colIDs []int64, tp in } // MarkExtendedStatsDeleted update the status of mysql.stats_extended to be `deleted` and the version of mysql.stats_meta. -func (h *Handle) MarkExtendedStatsDeleted(statsName, db string, tableID int64) (err error) { +func (h *Handle) MarkExtendedStatsDeleted(statsName string, tableID int64) (err error) { + // TODO remove this if branch after supporting ALTER TABLE DROP STATISTICS. if tableID < 0 { - sql := fmt.Sprintf("SELECT table_id FROM mysql.stats_extended WHERE stats_name = '%s' and db = '%s'", statsName, db) + sql := fmt.Sprintf("SELECT table_id FROM mysql.stats_extended WHERE name = '%s'", statsName) rows, _, err := h.restrictedExec.ExecRestrictedSQL(sql) if err != nil { return errors.Trace(err) @@ -973,7 +982,7 @@ func (h *Handle) MarkExtendedStatsDeleted(statsName, db string, tableID int64) ( } version := txn.StartTS() sqls := make([]string, 2) - sqls[0] = fmt.Sprintf("UPDATE mysql.stats_extended SET version = %d, status = %d WHERE stats_name = '%s' and db = '%s'", version, StatsStatusDeleted, statsName, db) + sqls[0] = fmt.Sprintf("UPDATE mysql.stats_extended SET version = %d, status = %d WHERE name = '%s' and table_id = %d", version, StatsStatusDeleted, statsName, tableID) sqls[1] = fmt.Sprintf("UPDATE mysql.stats_meta SET version = %d WHERE table_id = %d", version, tableID) return execSQLs(ctx, exec, sqls) } @@ -1004,7 +1013,7 @@ func (h *Handle) ReloadExtendedStatistics() error { // BuildExtendedStats build extended stats for column groups if needed based on the column samples. func (h *Handle) BuildExtendedStats(tableID int64, cols []*model.ColumnInfo, collectors []*statistics.SampleCollector) (*statistics.ExtendedStatsColl, error) { - sql := fmt.Sprintf("SELECT stats_name, db, type, column_ids FROM mysql.stats_extended WHERE table_id = %d and status in (%d, %d)", tableID, StatsStatusAnalyzed, StatsStatusInited) + sql := fmt.Sprintf("SELECT name, type, column_ids FROM mysql.stats_extended WHERE table_id = %d and status in (%d, %d)", tableID, StatsStatusAnalyzed, StatsStatusInited) rows, _, err := h.restrictedExec.ExecRestrictedSQL(sql) if err != nil { return nil, errors.Trace(err) @@ -1014,12 +1023,9 @@ func (h *Handle) BuildExtendedStats(tableID int64, cols []*model.ColumnInfo, col } statsColl := statistics.NewExtendedStatsColl() for _, row := range rows { - key := statistics.ExtendedStatsKey{ - StatsName: row.GetString(0), - DB: row.GetString(1), - } - item := &statistics.ExtendedStatsItem{Tp: uint8(row.GetInt64(2))} - colIDs := row.GetString(3) + name := row.GetString(0) + item := &statistics.ExtendedStatsItem{Tp: uint8(row.GetInt64(1))} + colIDs := row.GetString(2) err := json.Unmarshal([]byte(colIDs), &item.ColIDs) if err != nil { logutil.BgLogger().Error("invalid column_ids in mysql.stats_extended, skip collecting extended stats for this row", zap.String("column_ids", colIDs), zap.Error(err)) @@ -1027,7 +1033,7 @@ func (h *Handle) BuildExtendedStats(tableID int64, cols []*model.ColumnInfo, col } item = h.fillExtendedStatsItemVals(item, cols, collectors) if item != nil { - statsColl.Stats[key] = item + statsColl.Stats[name] = item } } if len(statsColl.Stats) == 0 { @@ -1129,19 +1135,21 @@ func (h *Handle) SaveExtendedStatsToStorage(tableID int64, extStats *statistics. } version := txn.StartTS() sqls := make([]string, 0, 1+len(extStats.Stats)) - for key, item := range extStats.Stats { + for name, item := range extStats.Stats { bytes, err := json.Marshal(item.ColIDs) if err != nil { return errors.Trace(err) } strColIDs := string(bytes) + var statsStr string switch item.Tp { case ast.StatsTypeCardinality, ast.StatsTypeCorrelation: - // If isLoad is true, it's INSERT; otherwise, it's UPDATE. - sqls = append(sqls, fmt.Sprintf("replace into mysql.stats_extended values ('%s', '%s', %d, %d, '%s', %f, null, %d, %d)", key.StatsName, key.DB, item.Tp, tableID, strColIDs, item.ScalarVals, version, StatsStatusAnalyzed)) + statsStr = fmt.Sprintf("%f", item.ScalarVals) case ast.StatsTypeDependency: - sqls = append(sqls, fmt.Sprintf("replace into mysql.stats_extended values ('%s', '%s', %d, %d, '%s', null, '%s', %d, %d)", key.StatsName, key.DB, item.Tp, tableID, strColIDs, item.StringVals, version, StatsStatusAnalyzed)) + statsStr = item.StringVals } + // If isLoad is true, it's INSERT; otherwise, it's UPDATE. + sqls = append(sqls, fmt.Sprintf("replace into mysql.stats_extended values ('%s', %d, %d, '%s', '%s', %d, %d)", name, item.Tp, tableID, strColIDs, statsStr, version, StatsStatusAnalyzed)) } if !isLoad { sqls = append(sqls, fmt.Sprintf("UPDATE mysql.stats_meta SET version = %d WHERE table_id = %d", version, tableID)) diff --git a/statistics/handle/handle_test.go b/statistics/handle/handle_test.go index dd031b157c126..a62d8524482f4 100644 --- a/statistics/handle/handle_test.go +++ b/statistics/handle/handle_test.go @@ -676,14 +676,14 @@ func (s *testStatsSuite) TestExtendedStatsOps(c *C) { tk.MustQuery("show warnings").Check(testkit.Rows( "Warning 1105 No need to create correlation statistics on the integer primary key column", )) - tk.MustQuery("select type, column_ids, scalar_stats, blob_stats, status from mysql.stats_extended where stats_name = 's1' and db = 'test'").Check(testkit.Rows()) + tk.MustQuery("select type, column_ids, stats, status from mysql.stats_extended where name = 's1'").Check(testkit.Rows()) err = tk.ExecToErr("create statistics s1(correlation) on t(b,c,d)") c.Assert(err.Error(), Equals, "[planner:1815]Only support Correlation and Dependency statistics types on 2 columns") - tk.MustQuery("select type, column_ids, scalar_stats, blob_stats, status from mysql.stats_extended where stats_name = 's1' and db = 'test'").Check(testkit.Rows()) + tk.MustQuery("select type, column_ids, stats, status from mysql.stats_extended where name = 's1'").Check(testkit.Rows()) tk.MustExec("create statistics s1(correlation) on t(b,c)") - tk.MustQuery("select type, column_ids, scalar_stats, blob_stats, status from mysql.stats_extended where stats_name = 's1' and db = 'test'").Check(testkit.Rows( - "2 [2,3] 0", + tk.MustQuery("select type, column_ids, stats, status from mysql.stats_extended where name = 's1'").Check(testkit.Rows( + "2 [2,3] 0", )) do := s.do is := do.InfoSchema() @@ -696,7 +696,7 @@ func (s *testStatsSuite) TestExtendedStatsOps(c *C) { c.Assert(statsTbl.ExtendedStats, NotNil) c.Assert(len(statsTbl.ExtendedStats.Stats), Equals, 0) - tk.MustExec("update mysql.stats_extended set status = 1 where stats_name = 's1' and db = 'test'") + tk.MustExec("update mysql.stats_extended set status = 1 where name = 's1'") do.StatsHandle().Clear() do.StatsHandle().Update(is) statsTbl = do.StatsHandle().GetTableStats(tableInfo) @@ -705,8 +705,8 @@ func (s *testStatsSuite) TestExtendedStatsOps(c *C) { c.Assert(len(statsTbl.ExtendedStats.Stats), Equals, 1) tk.MustExec("drop statistics s1") - tk.MustQuery("select type, column_ids, scalar_stats, blob_stats, status from mysql.stats_extended where stats_name = 's1' and db = 'test'").Check(testkit.Rows( - "2 [2,3] 2", + tk.MustQuery("select type, column_ids, stats, status from mysql.stats_extended where name = 's1'").Check(testkit.Rows( + "2 [2,3] 2", )) do.StatsHandle().Update(is) statsTbl = do.StatsHandle().GetTableStats(tableInfo) @@ -723,8 +723,8 @@ func (s *testStatsSuite) TestAdminReloadStatistics(c *C) { tk.MustExec("insert into t values(1,1,5,1),(2,2,4,2),(3,3,3,3),(4,4,2,4),(5,5,1,5)") tk.MustExec("analyze table t") tk.MustExec("create statistics s1(correlation) on t(b,c)") - tk.MustQuery("select type, column_ids, scalar_stats, blob_stats, status from mysql.stats_extended where stats_name = 's1' and db = 'test'").Check(testkit.Rows( - "2 [2,3] 0", + tk.MustQuery("select type, column_ids, stats, status from mysql.stats_extended where name = 's1'").Check(testkit.Rows( + "2 [2,3] 0", )) do := s.do is := do.InfoSchema() @@ -737,7 +737,7 @@ func (s *testStatsSuite) TestAdminReloadStatistics(c *C) { c.Assert(statsTbl.ExtendedStats, NotNil) c.Assert(len(statsTbl.ExtendedStats.Stats), Equals, 0) - tk.MustExec("update mysql.stats_extended set status = 1 where stats_name = 's1' and db = 'test'") + tk.MustExec("update mysql.stats_extended set status = 1 where name = 's1'") do.StatsHandle().Clear() do.StatsHandle().Update(is) statsTbl = do.StatsHandle().GetTableStats(tableInfo) @@ -745,7 +745,7 @@ func (s *testStatsSuite) TestAdminReloadStatistics(c *C) { c.Assert(statsTbl.ExtendedStats, NotNil) c.Assert(len(statsTbl.ExtendedStats.Stats), Equals, 1) - tk.MustExec("delete from mysql.stats_extended where stats_name = 's1' and db = 'test'") + tk.MustExec("delete from mysql.stats_extended where name = 's1'") do.StatsHandle().Update(is) statsTbl = do.StatsHandle().GetTableStats(tableInfo) c.Assert(statsTbl.ExtendedStats, NotNil) @@ -765,12 +765,12 @@ func (s *testStatsSuite) TestCorrelationStatsCompute(c *C) { tk.MustExec("create table t(a int, b int, c int)") tk.MustExec("insert into t values(1,1,5),(2,2,4),(3,3,3),(4,4,2),(5,5,1)") tk.MustExec("analyze table t") - tk.MustQuery("select type, column_ids, scalar_stats, blob_stats, status from mysql.stats_extended").Check(testkit.Rows()) + tk.MustQuery("select type, column_ids, stats, status from mysql.stats_extended").Check(testkit.Rows()) tk.MustExec("create statistics s1(correlation) on t(a,b)") tk.MustExec("create statistics s2(correlation) on t(a,c)") - tk.MustQuery("select type, column_ids, scalar_stats, blob_stats, status from mysql.stats_extended").Sort().Check(testkit.Rows( - "2 [1,2] 0", - "2 [1,3] 0", + tk.MustQuery("select type, column_ids, stats, status from mysql.stats_extended").Sort().Check(testkit.Rows( + "2 [1,2] 0", + "2 [1,3] 0", )) do := s.do is := do.InfoSchema() @@ -784,9 +784,9 @@ func (s *testStatsSuite) TestCorrelationStatsCompute(c *C) { c.Assert(len(statsTbl.ExtendedStats.Stats), Equals, 0) tk.MustExec("analyze table t") - tk.MustQuery("select type, column_ids, scalar_stats, blob_stats, status from mysql.stats_extended").Sort().Check(testkit.Rows( - "2 [1,2] 1 1", - "2 [1,3] -1 1", + tk.MustQuery("select type, column_ids, stats, status from mysql.stats_extended").Sort().Check(testkit.Rows( + "2 [1,2] 1.000000 1", + "2 [1,3] -1.000000 1", )) do.StatsHandle().Update(is) statsTbl = do.StatsHandle().GetTableStats(tableInfo) @@ -794,9 +794,8 @@ func (s *testStatsSuite) TestCorrelationStatsCompute(c *C) { c.Assert(statsTbl.ExtendedStats, NotNil) c.Assert(len(statsTbl.ExtendedStats.Stats), Equals, 2) foundS1, foundS2 := false, false - for key, item := range statsTbl.ExtendedStats.Stats { - c.Assert(key.DB, Equals, "test") - switch key.StatsName { + for name, item := range statsTbl.ExtendedStats.Stats { + switch name { case "s1": foundS1 = true c.Assert(item.ScalarVals, Equals, float64(1)) diff --git a/statistics/table.go b/statistics/table.go index 42d82016b478e..220d7dc0e162c 100644 --- a/statistics/table.go +++ b/statistics/table.go @@ -64,12 +64,6 @@ type Table struct { ExtendedStats *ExtendedStatsColl } -// ExtendedStatsKey is the key for cached item of a mysql.stats_extended record. -type ExtendedStatsKey struct { - StatsName string - DB string -} - // ExtendedStatsItem is the cached item of a mysql.stats_extended record. type ExtendedStatsItem struct { ColIDs []int64 @@ -80,13 +74,13 @@ type ExtendedStatsItem struct { // ExtendedStatsColl is a collection of cached items for mysql.stats_extended records. type ExtendedStatsColl struct { - Stats map[ExtendedStatsKey]*ExtendedStatsItem + Stats map[string]*ExtendedStatsItem LastUpdateVersion uint64 } // NewExtendedStatsColl allocate an ExtendedStatsColl struct. func NewExtendedStatsColl() *ExtendedStatsColl { - return &ExtendedStatsColl{Stats: make(map[ExtendedStatsKey]*ExtendedStatsItem)} + return &ExtendedStatsColl{Stats: make(map[string]*ExtendedStatsItem)} } // HistColl is a collection of histogram. It collects enough information for plan to calculate the selectivity. @@ -148,11 +142,11 @@ func (t *Table) Copy() *Table { } if t.ExtendedStats != nil { newExtStatsColl := &ExtendedStatsColl{ - Stats: make(map[ExtendedStatsKey]*ExtendedStatsItem), + Stats: make(map[string]*ExtendedStatsItem), LastUpdateVersion: t.ExtendedStats.LastUpdateVersion, } - for key, item := range t.ExtendedStats.Stats { - newExtStatsColl.Stats[key] = item + for name, item := range t.ExtendedStats.Stats { + newExtStatsColl.Stats[name] = item } nt.ExtendedStats = newExtStatsColl } From 7c817195688833291fcabf01b0ab372170f19347 Mon Sep 17 00:00:00 2001 From: Lenshood <7877221+LENSHOOD@users.noreply.github.com> Date: Mon, 4 Jan 2021 18:48:23 +0800 Subject: [PATCH 0611/1021] types: refine JSON conversion, throw err when object/array convert to integer/float/decimal (#21826) --- ddl/column_type_change_test.go | 42 ++++++++++++++--------------- expression/builtin_cast_vec_test.go | 5 ++-- types/convert.go | 10 +++---- types/convert_test.go | 10 +++++-- types/datum.go | 11 -------- 5 files changed, 37 insertions(+), 41 deletions(-) diff --git a/ddl/column_type_change_test.go b/ddl/column_type_change_test.go index dcd376efffbad..b012f8447022a 100644 --- a/ddl/column_type_change_test.go +++ b/ddl/column_type_change_test.go @@ -1208,9 +1208,9 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromJsonToOthers(c *C) { reset(tk) tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '{"obj": 100}' for column 'obj' at row 1". - tk.MustExec("alter table t modify obj tinyint") + tk.MustGetErrCode("alter table t modify obj tinyint", mysql.ErrTruncatedWrongValue) // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '[-1, 0, 1]' for column 'arr' at row 1". - tk.MustExec("alter table t modify arr tinyint") + tk.MustGetErrCode("alter table t modify arr tinyint", mysql.ErrTruncatedWrongValue) // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'null' for column 'nil' at row 1". tk.MustExec("alter table t modify nil tinyint") // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'true' for column 't' at row 1". @@ -1222,15 +1222,15 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromJsonToOthers(c *C) { tk.MustGetErrCode("alter table t modify f64 tinyint", mysql.ErrDataOutOfRange) // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '"json string"' for column 'str' at row 1". tk.MustGetErrCode("alter table t modify str tinyint", mysql.ErrTruncatedWrongValue) - tk.MustQuery("select * from t").Check(testkit.Rows("0 0 0 1 0 -22 22 323232323.32323235 \"json string\"")) + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] 0 1 0 -22 22 323232323.32323235 \"json string\"")) // int reset(tk) tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '{"obj": 100}' for column 'obj' at row 1". - tk.MustExec("alter table t modify obj int") + tk.MustGetErrCode("alter table t modify obj int", mysql.ErrTruncatedWrongValue) // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '[-1, 0, 1]' for column 'arr' at row 1". - tk.MustExec("alter table t modify arr int") + tk.MustGetErrCode("alter table t modify arr int", mysql.ErrTruncatedWrongValue) // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'null' for column 'nil' at row 1". tk.MustExec("alter table t modify nil int") // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'true' for column 't' at row 1". @@ -1242,15 +1242,15 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromJsonToOthers(c *C) { tk.MustExec("alter table t modify f64 int") // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '"json string"' for column 'str' at row 1". tk.MustGetErrCode("alter table t modify str int", mysql.ErrTruncatedWrongValue) - tk.MustQuery("select * from t").Check(testkit.Rows("0 0 0 1 0 -22 22 323232323 \"json string\"")) + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] 0 1 0 -22 22 323232323 \"json string\"")) // bigint reset(tk) tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '{"obj": 100}' for column 'obj' at row 1". - tk.MustExec("alter table t modify obj bigint") + tk.MustGetErrCode("alter table t modify obj bigint", mysql.ErrTruncatedWrongValue) // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '[-1, 0, 1]' for column 'arr' at row 1". - tk.MustExec("alter table t modify arr bigint") + tk.MustGetErrCode("alter table t modify arr bigint", mysql.ErrTruncatedWrongValue) // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'null' for column 'nil' at row 1". tk.MustExec("alter table t modify nil bigint") // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'true' for column 't' at row 1". @@ -1262,15 +1262,15 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromJsonToOthers(c *C) { tk.MustExec("alter table t modify f64 bigint") // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '"json string"' for column 'str' at row 1". tk.MustGetErrCode("alter table t modify str bigint", mysql.ErrTruncatedWrongValue) - tk.MustQuery("select * from t").Check(testkit.Rows("0 0 0 1 0 -22 22 323232323 \"json string\"")) + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] 0 1 0 -22 22 323232323 \"json string\"")) // unsigned bigint reset(tk) tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '{"obj": 100}' for column 'obj' at row 1". - tk.MustExec("alter table t modify obj bigint unsigned") + tk.MustGetErrCode("alter table t modify obj bigint unsigned", mysql.ErrTruncatedWrongValue) // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '[-1, 0, 1]' for column 'arr' at row 1". - tk.MustExec("alter table t modify arr bigint unsigned") + tk.MustGetErrCode("alter table t modify arr bigint unsigned", mysql.ErrTruncatedWrongValue) // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'null' for column 'nil' at row 1". tk.MustExec("alter table t modify nil bigint unsigned") // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: 'true' for column 't' at row 1". @@ -1283,7 +1283,7 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromJsonToOthers(c *C) { tk.MustExec("alter table t modify f64 bigint unsigned") // MySQL will get "ERROR 1366 (HY000) Incorrect integer value: '"json string"' for column 'str' at row 1". tk.MustGetErrCode("alter table t modify str bigint unsigned", mysql.ErrTruncatedWrongValue) - tk.MustQuery("select * from t").Check(testkit.Rows("0 0 0 1 0 -22 22 323232323 \"json string\"")) + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] 0 1 0 -22 22 323232323 \"json string\"")) // bit reset(tk) @@ -1303,9 +1303,9 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromJsonToOthers(c *C) { reset(tk) tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") // MySQL will get "ERROR 3156 (22001) Invalid JSON value for CAST to DECIMAL from column obj at row 1". - tk.MustExec("alter table t modify obj decimal(20, 10)") + tk.MustGetErrCode("alter table t modify obj decimal(20, 10)", mysql.ErrTruncatedWrongValue) // MySQL will get "ERROR 3156 (22001) Invalid JSON value for CAST to DECIMAL from column arr at row 1". - tk.MustExec("alter table t modify arr decimal(20, 10)") + tk.MustGetErrCode("alter table t modify arr decimal(20, 10)", mysql.ErrTruncatedWrongValue) // MySQL will get "ERROR 3156 (22001) Invalid JSON value for CAST to DECIMAL from column nil at row 1". tk.MustExec("alter table t modify nil decimal(20, 10)") tk.MustExec("alter table t modify t decimal(20, 10)") @@ -1315,15 +1315,15 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromJsonToOthers(c *C) { tk.MustExec("alter table t modify f64 decimal(20, 10)") // MySQL will get "ERROR 1366 (HY000): Incorrect DECIMAL value: '0' for column '' at row -1". tk.MustGetErrCode("alter table t modify str decimal(20, 10)", mysql.ErrBadNumber) - tk.MustQuery("select * from t").Check(testkit.Rows("0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 -22.0000000000 22.0000000000 323232323.3232323500 \"json string\"")) + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] 0.0000000000 1.0000000000 0.0000000000 -22.0000000000 22.0000000000 323232323.3232323500 \"json string\"")) // double reset(tk) tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '-22', '22', '323232323.3232323232', '\"json string\"')") // MySQL will get "ERROR 1265 (01000): Data truncated for column 'obj' at row 1". - tk.MustExec("alter table t modify obj double") + tk.MustGetErrCode("alter table t modify obj double", mysql.ErrTruncatedWrongValue) // MySQL will get "ERROR 1265 (01000): Data truncated for column 'arr' at row 1". - tk.MustExec("alter table t modify arr double") + tk.MustGetErrCode("alter table t modify arr double", mysql.ErrTruncatedWrongValue) // MySQL will get "ERROR 1265 (01000): Data truncated for column 'nil' at row 1". tk.MustExec("alter table t modify nil double") // MySQL will get "ERROR 1265 (01000): Data truncated for column 't' at row 1". @@ -1335,7 +1335,7 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromJsonToOthers(c *C) { tk.MustExec("alter table t modify f64 double") // MySQL will get "ERROR 1265 (01000): Data truncated for column 'str' at row 1". tk.MustGetErrCode("alter table t modify str double", mysql.ErrTruncatedWrongValue) - tk.MustQuery("select * from t").Check(testkit.Rows("0 0 0 1 0 -22 22 323232323.32323235 \"json string\"")) + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] 0 1 0 -22 22 323232323.32323235 \"json string\"")) // To string data types. // char @@ -1528,9 +1528,9 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromJsonToOthers(c *C) { reset(tk) tk.MustExec("insert into t values ('{\"obj\": 100}', '[-1, 0, 1]', 'null', 'true', 'false', '2020', '91', '9', '\"2020\"')") // MySQL will get "ERROR 1366 (HY000): Incorrect integer value: '{"obj": 100}' for column 'obj' at row 1". - tk.MustExec("alter table t modify obj year") + tk.MustGetErrCode("alter table t modify obj year", mysql.ErrTruncatedWrongValue) // MySQL will get "ERROR 1366 (HY000): Incorrect integer value: '[-1, 0, 1]' for column 'arr' at row 11". - tk.MustExec("alter table t modify arr year") + tk.MustGetErrCode("alter table t modify arr year", mysql.ErrTruncatedWrongValue) // MySQL will get "ERROR 1366 (HY000): Incorrect integer value: 'null' for column 'nil' at row 1". tk.MustExec("alter table t modify nil year") // MySQL will get "ERROR 1366 (HY000): Incorrect integer value: 'true' for column 't' at row 1". @@ -1542,7 +1542,7 @@ func (s *testColumnTypeChangeSuite) TestColumnTypeChangeFromJsonToOthers(c *C) { tk.MustExec("alter table t modify f64 year") // MySQL will get "ERROR 1366 (HY000): Incorrect integer value: '"2020"' for column 'str' at row 1". tk.MustExec("alter table t modify str year") - tk.MustQuery("select * from t").Check(testkit.Rows("0 0 0 2001 0 2020 1991 2009 2020")) + tk.MustQuery("select * from t").Check(testkit.Rows("{\"obj\": 100} [-1, 0, 1] 0 2001 0 2020 1991 2009 2020")) } // TestRowFormat is used to close issue #21391, the encoded row in column type change should be aware of the new row format. diff --git a/expression/builtin_cast_vec_test.go b/expression/builtin_cast_vec_test.go index 1b402c624a249..4cbcfd9aa1a1b 100644 --- a/expression/builtin_cast_vec_test.go +++ b/expression/builtin_cast_vec_test.go @@ -16,6 +16,7 @@ package expression import ( "math" "math/rand" + "strconv" "testing" "time" @@ -37,7 +38,7 @@ var vecBuiltinCastCases = map[string][]vecExprBenchCase{ {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETInt}}, {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETReal}}, {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETDecimal}}, - {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETJson}}, + {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETJson}, geners: []dataGenerator{&constJSONGener{strconv.Itoa(rand.Int())}}}, {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETDatetime}}, {retEvalType: types.ETInt, childrenTypes: []types.EvalType{types.ETDuration}}, { @@ -55,7 +56,7 @@ var vecBuiltinCastCases = map[string][]vecExprBenchCase{ {retEvalType: types.ETDuration, childrenTypes: []types.EvalType{types.ETReal}, geners: []dataGenerator{newRandDurReal()}}, {retEvalType: types.ETDuration, childrenTypes: []types.EvalType{types.ETDecimal}, geners: []dataGenerator{newRandDurDecimal()}}, {retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETReal}}, - {retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETJson}}, + {retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETJson}, geners: []dataGenerator{newDecimalJSONGener(0)}}, {retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETDecimal}}, {retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETString}, geners: []dataGenerator{newRealStringGener()}}, {retEvalType: types.ETReal, childrenTypes: []types.EvalType{types.ETDatetime}}, diff --git a/types/convert.go b/types/convert.go index 44f84b998689d..ee32a73a30f1d 100644 --- a/types/convert.go +++ b/types/convert.go @@ -392,7 +392,7 @@ func getValidIntPrefix(sc *stmtctx.StatementContext, str string, isFuncCast bool valid = "0" } if validLen == 0 || validLen != len(str) { - return valid, errors.Trace(handleTruncateError(sc, ErrTruncatedWrongVal.GenWithStackByArgs("INTEGER", str))) + return valid, errors.Trace(sc.HandleTruncate(ErrTruncatedWrongVal.GenWithStackByArgs("INTEGER", str))) } return valid, nil } @@ -552,7 +552,7 @@ func ConvertJSONToInt64(sc *stmtctx.StatementContext, j json.BinaryJSON, unsigne func ConvertJSONToInt(sc *stmtctx.StatementContext, j json.BinaryJSON, unsigned bool, tp byte) (int64, error) { switch j.TypeCode { case json.TypeCodeObject, json.TypeCodeArray: - return 0, nil + return 0, sc.HandleTruncate(ErrTruncatedWrongVal.GenWithStackByArgs("INTEGER", j.String())) case json.TypeCodeLiteral: switch j.Value[0] { case json.LiteralNil, json.LiteralFalse: @@ -610,7 +610,7 @@ func ConvertJSONToInt(sc *stmtctx.StatementContext, j json.BinaryJSON, unsigned func ConvertJSONToFloat(sc *stmtctx.StatementContext, j json.BinaryJSON) (float64, error) { switch j.TypeCode { case json.TypeCodeObject, json.TypeCodeArray: - return 0, nil + return 0, sc.HandleTruncate(ErrTruncatedWrongVal.GenWithStackByArgs("FLOAT", j.String())) case json.TypeCodeLiteral: switch j.Value[0] { case json.LiteralNil, json.LiteralFalse: @@ -637,7 +637,7 @@ func ConvertJSONToDecimal(sc *stmtctx.StatementContext, j json.BinaryJSON) (*MyD res := new(MyDecimal) switch j.TypeCode { case json.TypeCodeObject, json.TypeCodeArray: - res = res.FromInt(0) + err = ErrTruncatedWrongVal.GenWithStackByArgs("DECIMAL", j.String()) case json.TypeCodeLiteral: switch j.Value[0] { case json.LiteralNil, json.LiteralFalse: @@ -710,7 +710,7 @@ func getValidFloatPrefix(sc *stmtctx.StatementContext, s string, isFuncCast bool valid = "0" } if validLen == 0 || validLen != len(s) { - err = errors.Trace(handleTruncateError(sc, ErrTruncatedWrongVal.GenWithStackByArgs("FLOAT", s))) + err = errors.Trace(sc.HandleTruncate(ErrTruncatedWrongVal.GenWithStackByArgs("FLOAT", s))) } return valid, err } diff --git a/types/convert_test.go b/types/convert_test.go index 5752199f5ceff..1015972b095ba 100644 --- a/types/convert_test.go +++ b/types/convert_test.go @@ -281,6 +281,14 @@ func (s *testTypeConvertSuite) TestConvertType(c *C) { c.Assert(err, IsNil) _, err = Convert(bj2, ft) c.Assert(err, NotNil) + bj3, err := json.ParseBinaryFromString("{\"key\": 99}") + c.Assert(err, IsNil) + _, err = Convert(bj3, ft) + c.Assert(err, NotNil) + bj4, err := json.ParseBinaryFromString("[99, 0, 1]") + c.Assert(err, IsNil) + _, err = Convert(bj4, ft) + c.Assert(err, NotNil) // For enum ft = NewFieldType(mysql.TypeEnum) @@ -1028,8 +1036,6 @@ func (s *testTypeConvertSuite) TestConvertJSONToDecimal(c *C) { In string Out *MyDecimal }{ - {`{}`, NewDecFromStringForTest("0")}, - {`[]`, NewDecFromStringForTest("0")}, {`3`, NewDecFromStringForTest("3")}, {`-3`, NewDecFromStringForTest("-3")}, {`4.5`, NewDecFromStringForTest("4.5")}, diff --git a/types/datum.go b/types/datum.go index e02648240eb44..2de808aafa398 100644 --- a/types/datum.go +++ b/types/datum.go @@ -2019,17 +2019,6 @@ func (ds *datumsSorter) Swap(i, j int) { ds.datums[i], ds.datums[j] = ds.datums[j], ds.datums[i] } -func handleTruncateError(sc *stmtctx.StatementContext, err error) error { - if sc.IgnoreTruncate { - return nil - } - if !sc.TruncateAsWarning { - return err - } - sc.AppendWarning(err) - return nil -} - // DatumsToString converts several datums to formatted string. func DatumsToString(datums []Datum, handleSpecialValue bool) (string, error) { strs := make([]string, 0, len(datums)) From 5d27db31d0f9df017873f4d95f80be21dafb3f60 Mon Sep 17 00:00:00 2001 From: Morgan Tocker Date: Mon, 4 Jan 2021 20:10:45 -0700 Subject: [PATCH 0612/1021] variable: move noop sysvars to separate file (#22058) --- sessionctx/variable/noop.go | 505 ++++++++++++++++++++++++++++++++ sessionctx/variable/sysvar.go | 533 ++-------------------------------- 2 files changed, 536 insertions(+), 502 deletions(-) create mode 100644 sessionctx/variable/noop.go diff --git a/sessionctx/variable/noop.go b/sessionctx/variable/noop.go new file mode 100644 index 0000000000000..28f98813daa28 --- /dev/null +++ b/sessionctx/variable/noop.go @@ -0,0 +1,505 @@ +// Copyright 2020 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package variable + +import ( + "math" +) + +// The following sysVars are noops. +// Some applications will depend on certain variables to be present or settable, +// for example query_cache_time. These are included for MySQL compatibility, +// but changing them has no effect on behavior. + +var noopSysVars = []*SysVar{ + {Scope: ScopeGlobal, Name: ConnectTimeout, Value: "10", Type: TypeUnsigned, MinValue: 2, MaxValue: secondsPerYear, AutoConvertOutOfRange: true}, + {Scope: ScopeGlobal | ScopeSession, Name: QueryCacheWlockInvalidate, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: "sql_buffer_result", Value: BoolOff, IsHintUpdatable: true}, + {Scope: ScopeGlobal, Name: MyISAMUseMmap, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: "gtid_mode", Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: FlushTime, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: secondsPerYear, AutoConvertOutOfRange: true}, + {Scope: ScopeNone, Name: "performance_schema_max_mutex_classes", Value: "200"}, + {Scope: ScopeGlobal | ScopeSession, Name: LowPriorityUpdates, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: SessionTrackGtids, Value: BoolOff, Type: TypeEnum, PossibleValues: []string{BoolOff, "OWN_GTID", "ALL_GTIDS"}}, + {Scope: ScopeGlobal | ScopeSession, Name: "ndbinfo_max_rows", Value: ""}, + {Scope: ScopeGlobal | ScopeSession, Name: "ndb_index_stat_option", Value: ""}, + {Scope: ScopeGlobal | ScopeSession, Name: OldPasswords, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: 2, AutoConvertOutOfRange: true}, + {Scope: ScopeNone, Name: "innodb_version", Value: "5.6.25"}, + {Scope: ScopeGlobal | ScopeSession, Name: BigTables, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeNone, Name: "skip_external_locking", Value: "1"}, + {Scope: ScopeNone, Name: "innodb_sync_array_size", Value: "1"}, + {Scope: ScopeSession, Name: "rand_seed2", Value: ""}, + {Scope: ScopeGlobal, Name: ValidatePasswordCheckUserName, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: ValidatePasswordNumberCount, Value: "1", Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true}, + {Scope: ScopeSession, Name: "gtid_next", Value: ""}, + {Scope: ScopeGlobal, Name: "ndb_show_foreign_key_mock_tables", Value: ""}, + {Scope: ScopeNone, Name: "multi_range_count", Value: "256"}, + {Scope: ScopeGlobal | ScopeSession, Name: "binlog_error_action", Value: "IGNORE_ERROR"}, + {Scope: ScopeGlobal | ScopeSession, Name: "default_storage_engine", Value: "InnoDB"}, + {Scope: ScopeNone, Name: "ft_query_expansion_limit", Value: "20"}, + {Scope: ScopeGlobal, Name: MaxConnectErrors, Value: "100", Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true}, + {Scope: ScopeGlobal, Name: SyncBinlog, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: 4294967295, AutoConvertOutOfRange: true}, + {Scope: ScopeNone, Name: "max_digest_length", Value: "1024"}, + {Scope: ScopeNone, Name: "innodb_force_load_corrupted", Value: "0"}, + {Scope: ScopeNone, Name: "performance_schema_max_table_handles", Value: "4000"}, + {Scope: ScopeGlobal, Name: InnodbFastShutdown, Value: "1", Type: TypeUnsigned, MinValue: 0, MaxValue: 2, AutoConvertOutOfRange: true}, + {Scope: ScopeNone, Name: "ft_max_word_len", Value: "84"}, + {Scope: ScopeGlobal, Name: "log_backward_compatible_user_definitions", Value: ""}, + {Scope: ScopeNone, Name: "lc_messages_dir", Value: "/usr/local/mysql-5.6.25-osx10.8-x86_64/share/"}, + {Scope: ScopeGlobal, Name: "ft_boolean_syntax", Value: "+ -><()~*:\"\"&|"}, + {Scope: ScopeGlobal, Name: TableDefinitionCache, Value: "-1", Type: TypeUnsigned, MinValue: 400, MaxValue: 524288, AutoConvertOutOfRange: true}, + {Scope: ScopeNone, Name: SkipNameResolve, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeNone, Name: "performance_schema_max_file_handles", Value: "32768"}, + {Scope: ScopeSession, Name: "transaction_allow_batching", Value: ""}, + {Scope: ScopeNone, Name: "performance_schema_max_statement_classes", Value: "168"}, + {Scope: ScopeGlobal, Name: "server_id", Value: "0"}, + {Scope: ScopeGlobal, Name: "innodb_flushing_avg_loops", Value: "30"}, + {Scope: ScopeGlobal | ScopeSession, Name: TmpTableSize, Value: "16777216", Type: TypeUnsigned, MinValue: 1024, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true, IsHintUpdatable: true}, + {Scope: ScopeGlobal, Name: "innodb_max_purge_lag", Value: "0"}, + {Scope: ScopeGlobal | ScopeSession, Name: "preload_buffer_size", Value: "32768"}, + {Scope: ScopeGlobal, Name: CheckProxyUsers, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeNone, Name: "have_query_cache", Value: "YES"}, + {Scope: ScopeGlobal, Name: "innodb_flush_log_at_timeout", Value: "1"}, + {Scope: ScopeGlobal, Name: "innodb_max_undo_log_size", Value: ""}, + {Scope: ScopeGlobal | ScopeSession, Name: "range_alloc_block_size", Value: "4096", IsHintUpdatable: true}, + {Scope: ScopeNone, Name: "have_rtree_keys", Value: "YES"}, + {Scope: ScopeGlobal, Name: "innodb_old_blocks_pct", Value: "37"}, + {Scope: ScopeGlobal, Name: "innodb_file_format", Value: "Antelope"}, + {Scope: ScopeGlobal, Name: "innodb_compression_failure_threshold_pct", Value: "5"}, + {Scope: ScopeNone, Name: "performance_schema_events_waits_history_long_size", Value: "10000"}, + {Scope: ScopeGlobal, Name: "innodb_checksum_algorithm", Value: "innodb"}, + {Scope: ScopeNone, Name: "innodb_ft_sort_pll_degree", Value: "2"}, + {Scope: ScopeNone, Name: "thread_stack", Value: "262144"}, + {Scope: ScopeGlobal, Name: "relay_log_info_repository", Value: "FILE"}, + {Scope: ScopeGlobal, Name: SuperReadOnly, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: "max_delayed_threads", Value: "20"}, + {Scope: ScopeNone, Name: "protocol_version", Value: "10"}, + {Scope: ScopeGlobal | ScopeSession, Name: "new", Value: BoolOff}, + {Scope: ScopeGlobal | ScopeSession, Name: "myisam_sort_buffer_size", Value: "8388608"}, + {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_trace_offset", Value: "-1"}, + {Scope: ScopeGlobal, Name: InnodbBufferPoolDumpAtShutdown, Value: "0"}, + {Scope: ScopeGlobal | ScopeSession, Name: SQLNotes, Value: "1"}, + {Scope: ScopeGlobal, Name: InnodbCmpPerIndexEnabled, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: "innodb_ft_server_stopword_table", Value: ""}, + {Scope: ScopeNone, Name: "performance_schema_max_file_instances", Value: "7693"}, + {Scope: ScopeNone, Name: "log_output", Value: "FILE"}, + {Scope: ScopeGlobal, Name: "binlog_group_commit_sync_delay", Value: ""}, + {Scope: ScopeGlobal, Name: "binlog_group_commit_sync_no_delay_count", Value: ""}, + {Scope: ScopeNone, Name: "have_crypt", Value: "YES"}, + {Scope: ScopeGlobal, Name: "innodb_log_write_ahead_size", Value: ""}, + {Scope: ScopeNone, Name: "innodb_log_group_home_dir", Value: "./"}, + {Scope: ScopeNone, Name: "performance_schema_events_statements_history_size", Value: "10"}, + {Scope: ScopeGlobal, Name: GeneralLog, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "validate_password_dictionary_file", Value: ""}, + {Scope: ScopeGlobal, Name: BinlogOrderCommits, Value: BoolOn, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "key_cache_division_limit", Value: "100"}, + {Scope: ScopeGlobal | ScopeSession, Name: "max_insert_delayed_threads", Value: "20"}, + {Scope: ScopeNone, Name: "performance_schema_session_connect_attrs_size", Value: "512"}, + {Scope: ScopeGlobal, Name: "innodb_max_dirty_pages_pct", Value: "75"}, + {Scope: ScopeGlobal, Name: InnodbFilePerTable, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: InnodbLogCompressedPages, Value: "1"}, + {Scope: ScopeNone, Name: "skip_networking", Value: "0"}, + {Scope: ScopeGlobal, Name: "innodb_monitor_reset", Value: ""}, + {Scope: ScopeNone, Name: "have_ssl", Value: "DISABLED"}, + {Scope: ScopeNone, Name: "have_openssl", Value: "DISABLED"}, + {Scope: ScopeNone, Name: "ssl_ca", Value: ""}, + {Scope: ScopeNone, Name: "ssl_cert", Value: ""}, + {Scope: ScopeNone, Name: "ssl_key", Value: ""}, + {Scope: ScopeNone, Name: "ssl_cipher", Value: ""}, + {Scope: ScopeNone, Name: "tls_version", Value: "TLSv1,TLSv1.1,TLSv1.2"}, + {Scope: ScopeGlobal, Name: InnodbPrintAllDeadlocks, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeNone, Name: "innodb_autoinc_lock_mode", Value: "1"}, + {Scope: ScopeGlobal, Name: "key_buffer_size", Value: "8388608"}, + {Scope: ScopeGlobal, Name: "host_cache_size", Value: "279"}, + {Scope: ScopeGlobal, Name: DelayKeyWrite, Value: BoolOn, Type: TypeEnum, PossibleValues: []string{BoolOff, BoolOn, "ALL"}}, + {Scope: ScopeNone, Name: "metadata_locks_cache_size", Value: "1024"}, + {Scope: ScopeNone, Name: "innodb_force_recovery", Value: "0"}, + {Scope: ScopeGlobal, Name: "innodb_file_format_max", Value: "Antelope"}, + {Scope: ScopeGlobal | ScopeSession, Name: "debug", Value: ""}, + {Scope: ScopeGlobal, Name: "log_warnings", Value: "1"}, + {Scope: ScopeGlobal, Name: OfflineMode, Value: "0", Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: InnodbStrictMode, Value: "1", Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: "innodb_rollback_segments", Value: "128"}, + {Scope: ScopeGlobal | ScopeSession, Name: "join_buffer_size", Value: "262144", IsHintUpdatable: true}, + {Scope: ScopeNone, Name: "innodb_mirrored_log_groups", Value: "1"}, + {Scope: ScopeGlobal, Name: "max_binlog_size", Value: "1073741824"}, + {Scope: ScopeGlobal, Name: "concurrent_insert", Value: "AUTO"}, + {Scope: ScopeGlobal, Name: InnodbAdaptiveHashIndex, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: InnodbFtEnableStopword, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: "general_log_file", Value: "/usr/local/mysql/data/localhost.log"}, + {Scope: ScopeGlobal | ScopeSession, Name: InnodbSupportXA, Value: "1"}, + {Scope: ScopeGlobal, Name: "innodb_compression_level", Value: "6"}, + {Scope: ScopeNone, Name: "innodb_file_format_check", Value: "1"}, + {Scope: ScopeNone, Name: "myisam_mmap_size", Value: "18446744073709551615"}, + {Scope: ScopeNone, Name: "innodb_buffer_pool_instances", Value: "8"}, + {Scope: ScopeGlobal | ScopeSession, Name: BlockEncryptionMode, Value: "aes-128-ecb"}, + {Scope: ScopeGlobal | ScopeSession, Name: "max_length_for_sort_data", Value: "1024", IsHintUpdatable: true}, + {Scope: ScopeNone, Name: "character_set_system", Value: "utf8"}, + {Scope: ScopeGlobal | ScopeSession, Name: InteractiveTimeout, Value: "28800", Type: TypeUnsigned, MinValue: 1, MaxValue: secondsPerYear, AutoConvertOutOfRange: true}, + {Scope: ScopeGlobal, Name: InnodbOptimizeFullTextOnly, Value: "0"}, + {Scope: ScopeNone, Name: "character_sets_dir", Value: "/usr/local/mysql-5.6.25-osx10.8-x86_64/share/charsets/"}, + {Scope: ScopeGlobal | ScopeSession, Name: QueryCacheType, Value: BoolOff, Type: TypeEnum, PossibleValues: []string{BoolOff, BoolOn, "DEMAND"}}, + {Scope: ScopeNone, Name: "innodb_rollback_on_timeout", Value: "0"}, + {Scope: ScopeGlobal | ScopeSession, Name: "query_alloc_block_size", Value: "8192"}, + {Scope: ScopeGlobal | ScopeSession, Name: InitConnect, Value: ""}, + {Scope: ScopeNone, Name: "have_compress", Value: "YES"}, + {Scope: ScopeNone, Name: "thread_concurrency", Value: "10"}, + {Scope: ScopeGlobal | ScopeSession, Name: "query_prealloc_size", Value: "8192"}, + {Scope: ScopeNone, Name: "relay_log_space_limit", Value: "0"}, + {Scope: ScopeGlobal | ScopeSession, Name: MaxUserConnections, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: 4294967295, AutoConvertOutOfRange: true}, + {Scope: ScopeNone, Name: "performance_schema_max_thread_classes", Value: "50"}, + {Scope: ScopeGlobal, Name: "innodb_api_trx_level", Value: "0"}, + {Scope: ScopeNone, Name: "disconnect_on_expired_password", Value: "1"}, + {Scope: ScopeNone, Name: "performance_schema_max_file_classes", Value: "50"}, + {Scope: ScopeGlobal, Name: "expire_logs_days", Value: "0"}, + {Scope: ScopeGlobal | ScopeSession, Name: BinlogRowQueryLogEvents, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "default_password_lifetime", Value: ""}, + {Scope: ScopeNone, Name: "pid_file", Value: "/usr/local/mysql/data/localhost.pid"}, + {Scope: ScopeNone, Name: "innodb_undo_tablespaces", Value: "0"}, + {Scope: ScopeGlobal, Name: InnodbStatusOutputLocks, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeNone, Name: "performance_schema_accounts_size", Value: "100"}, + {Scope: ScopeGlobal | ScopeSession, Name: "max_error_count", Value: "64", IsHintUpdatable: true}, + {Scope: ScopeGlobal, Name: "max_write_lock_count", Value: "18446744073709551615"}, + {Scope: ScopeNone, Name: "performance_schema_max_socket_instances", Value: "322"}, + {Scope: ScopeNone, Name: "performance_schema_max_table_instances", Value: "12500"}, + {Scope: ScopeGlobal, Name: "innodb_stats_persistent_sample_pages", Value: "20"}, + {Scope: ScopeGlobal, Name: "show_compatibility_56", Value: ""}, + {Scope: ScopeNone, Name: "innodb_open_files", Value: "2000"}, + {Scope: ScopeGlobal, Name: "innodb_spin_wait_delay", Value: "6"}, + {Scope: ScopeGlobal, Name: "thread_cache_size", Value: "9"}, + {Scope: ScopeGlobal, Name: LogSlowAdminStatements, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeNone, Name: "innodb_checksums", Type: TypeBool, Value: BoolOn}, + {Scope: ScopeNone, Name: "ft_stopword_file", Value: "(built-in)"}, + {Scope: ScopeGlobal, Name: "innodb_max_dirty_pages_pct_lwm", Value: "0"}, + {Scope: ScopeGlobal, Name: LogQueriesNotUsingIndexes, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: "max_heap_table_size", Value: "16777216", IsHintUpdatable: true}, + {Scope: ScopeGlobal | ScopeSession, Name: "div_precision_increment", Value: "4", IsHintUpdatable: true}, + {Scope: ScopeGlobal, Name: "innodb_lru_scan_depth", Value: "1024"}, + {Scope: ScopeGlobal, Name: "innodb_purge_rseg_truncate_frequency", Value: ""}, + {Scope: ScopeGlobal | ScopeSession, Name: SQLAutoIsNull, Value: BoolOff, Type: TypeBool, IsHintUpdatable: true}, + {Scope: ScopeNone, Name: "innodb_api_enable_binlog", Value: "0"}, + {Scope: ScopeGlobal | ScopeSession, Name: "innodb_ft_user_stopword_table", Value: ""}, + {Scope: ScopeNone, Name: "server_id_bits", Value: "32"}, + {Scope: ScopeGlobal, Name: "innodb_log_checksum_algorithm", Value: ""}, + {Scope: ScopeNone, Name: "innodb_buffer_pool_load_at_startup", Value: "1"}, + {Scope: ScopeGlobal | ScopeSession, Name: "sort_buffer_size", Value: "262144", IsHintUpdatable: true}, + {Scope: ScopeGlobal, Name: "innodb_flush_neighbors", Value: "1"}, + {Scope: ScopeNone, Name: "innodb_use_sys_malloc", Value: "1"}, + {Scope: ScopeSession, Name: PluginLoad, Value: ""}, + {Scope: ScopeSession, Name: PluginDir, Value: "/data/deploy/plugin"}, + {Scope: ScopeNone, Name: "performance_schema_max_socket_classes", Value: "10"}, + {Scope: ScopeNone, Name: "performance_schema_max_stage_classes", Value: "150"}, + {Scope: ScopeGlobal, Name: "innodb_purge_batch_size", Value: "300"}, + {Scope: ScopeNone, Name: "have_profiling", Value: "NO"}, + {Scope: ScopeGlobal, Name: InnodbBufferPoolDumpNow, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: RelayLogPurge, Value: BoolOn, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "ndb_distribution", Value: ""}, + {Scope: ScopeGlobal, Name: "myisam_data_pointer_size", Value: "6"}, + {Scope: ScopeGlobal, Name: "ndb_optimization_delay", Value: ""}, + {Scope: ScopeGlobal, Name: "innodb_ft_num_word_optimize", Value: "2000"}, + {Scope: ScopeGlobal | ScopeSession, Name: "max_join_size", Value: "18446744073709551615", IsHintUpdatable: true}, + {Scope: ScopeNone, Name: CoreFile, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: "max_seeks_for_key", Value: "18446744073709551615", IsHintUpdatable: true}, + {Scope: ScopeNone, Name: "innodb_log_buffer_size", Value: "8388608"}, + {Scope: ScopeGlobal, Name: "delayed_insert_timeout", Value: "300"}, + {Scope: ScopeGlobal, Name: "max_relay_log_size", Value: "0"}, + {Scope: ScopeGlobal | ScopeSession, Name: MaxSortLength, Value: "1024", Type: TypeUnsigned, MinValue: 4, MaxValue: 8388608, AutoConvertOutOfRange: true, IsHintUpdatable: true}, + {Scope: ScopeNone, Name: "metadata_locks_hash_instances", Value: "8"}, + {Scope: ScopeGlobal, Name: "ndb_eventbuffer_free_percent", Value: ""}, + {Scope: ScopeNone, Name: "large_files_support", Value: "1"}, + {Scope: ScopeGlobal, Name: "binlog_max_flush_queue_time", Value: "0"}, + {Scope: ScopeGlobal, Name: "innodb_fill_factor", Value: ""}, + {Scope: ScopeGlobal, Name: "log_syslog_facility", Value: ""}, + {Scope: ScopeNone, Name: "innodb_ft_min_token_size", Value: "3"}, + {Scope: ScopeGlobal | ScopeSession, Name: "transaction_write_set_extraction", Value: ""}, + {Scope: ScopeGlobal | ScopeSession, Name: "ndb_blob_write_batch_bytes", Value: ""}, + {Scope: ScopeGlobal, Name: "automatic_sp_privileges", Value: "1"}, + {Scope: ScopeGlobal, Name: "innodb_flush_sync", Value: ""}, + {Scope: ScopeNone, Name: "performance_schema_events_statements_history_long_size", Value: "10000"}, + {Scope: ScopeGlobal, Name: "innodb_monitor_disable", Value: ""}, + {Scope: ScopeNone, Name: "innodb_doublewrite", Value: "1"}, + {Scope: ScopeNone, Name: "log_bin_use_v1_row_events", Value: "0"}, + {Scope: ScopeSession, Name: "innodb_optimize_point_storage", Value: ""}, + {Scope: ScopeNone, Name: "innodb_api_disable_rowlock", Value: "0"}, + {Scope: ScopeGlobal, Name: "innodb_adaptive_flushing_lwm", Value: "10"}, + {Scope: ScopeNone, Name: "innodb_log_files_in_group", Value: "2"}, + {Scope: ScopeGlobal, Name: InnodbBufferPoolLoadNow, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeNone, Name: "performance_schema_max_rwlock_classes", Value: "40"}, + {Scope: ScopeNone, Name: "binlog_gtid_simple_recovery", Value: "1"}, + {Scope: ScopeNone, Name: "performance_schema_digests_size", Value: "10000"}, + {Scope: ScopeGlobal | ScopeSession, Name: Profiling, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeSession, Name: "rand_seed1", Value: ""}, + {Scope: ScopeGlobal, Name: "sha256_password_proxy_users", Value: ""}, + {Scope: ScopeGlobal | ScopeSession, Name: SQLQuoteShowCreate, Value: BoolOn, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: "binlogging_impossible_mode", Value: "IGNORE_ERROR"}, + {Scope: ScopeGlobal | ScopeSession, Name: QueryCacheSize, Value: "1048576"}, + {Scope: ScopeGlobal, Name: "innodb_stats_transient_sample_pages", Value: "8"}, + {Scope: ScopeGlobal, Name: InnodbStatsOnMetadata, Value: "0"}, + {Scope: ScopeNone, Name: "server_uuid", Value: "00000000-0000-0000-0000-000000000000"}, + {Scope: ScopeNone, Name: "open_files_limit", Value: "5000"}, + {Scope: ScopeGlobal | ScopeSession, Name: "ndb_force_send", Value: ""}, + {Scope: ScopeNone, Name: "skip_show_database", Value: "0"}, + {Scope: ScopeGlobal, Name: "log_timestamps", Value: ""}, + {Scope: ScopeNone, Name: "version_compile_machine", Value: "x86_64"}, + {Scope: ScopeGlobal, Name: "event_scheduler", Value: BoolOff}, + {Scope: ScopeGlobal | ScopeSession, Name: "ndb_deferred_constraints", Value: ""}, + {Scope: ScopeGlobal, Name: "log_syslog_include_pid", Value: ""}, + {Scope: ScopeSession, Name: "last_insert_id", Value: ""}, + {Scope: ScopeNone, Name: "innodb_ft_cache_size", Value: "8000000"}, + {Scope: ScopeGlobal, Name: InnodbDisableSortFileCache, Value: "0"}, + {Scope: ScopeGlobal, Name: "log_error_verbosity", Value: ""}, + {Scope: ScopeNone, Name: "performance_schema_hosts_size", Value: "100"}, + {Scope: ScopeGlobal, Name: "innodb_replication_delay", Value: "0"}, + {Scope: ScopeGlobal, Name: SlowQueryLog, Value: "0"}, + {Scope: ScopeSession, Name: "debug_sync", Value: ""}, + {Scope: ScopeGlobal, Name: InnodbStatsAutoRecalc, Value: "1"}, + {Scope: ScopeGlobal | ScopeSession, Name: "lc_messages", Value: "en_US"}, + {Scope: ScopeGlobal | ScopeSession, Name: "bulk_insert_buffer_size", Value: "8388608", IsHintUpdatable: true}, + {Scope: ScopeGlobal | ScopeSession, Name: BinlogDirectNonTransactionalUpdates, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "innodb_change_buffering", Value: "all"}, + {Scope: ScopeGlobal | ScopeSession, Name: SQLBigSelects, Value: BoolOn, Type: TypeBool, IsHintUpdatable: true}, + {Scope: ScopeGlobal, Name: "innodb_max_purge_lag_delay", Value: "0"}, + {Scope: ScopeGlobal | ScopeSession, Name: "session_track_schema", Value: ""}, + {Scope: ScopeGlobal, Name: "innodb_io_capacity_max", Value: "2000"}, + {Scope: ScopeGlobal, Name: "innodb_autoextend_increment", Value: "64"}, + {Scope: ScopeGlobal | ScopeSession, Name: "binlog_format", Value: "STATEMENT"}, + {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_trace", Value: "enabled=off,one_line=off"}, + {Scope: ScopeGlobal | ScopeSession, Name: "read_rnd_buffer_size", Value: "262144", IsHintUpdatable: true}, + {Scope: ScopeGlobal | ScopeSession, Name: NetWriteTimeout, Value: "60"}, + {Scope: ScopeGlobal, Name: InnodbBufferPoolLoadAbort, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal | ScopeSession, Name: "transaction_prealloc_size", Value: "4096"}, + {Scope: ScopeNone, Name: "performance_schema_setup_objects_size", Value: "100"}, + {Scope: ScopeGlobal, Name: "sync_relay_log", Value: "10000"}, + {Scope: ScopeGlobal, Name: "innodb_ft_result_cache_limit", Value: "2000000000"}, + {Scope: ScopeNone, Name: "innodb_sort_buffer_size", Value: "1048576"}, + {Scope: ScopeGlobal, Name: "innodb_ft_enable_diag_print", Type: TypeBool, Value: BoolOff}, + {Scope: ScopeNone, Name: "thread_handling", Value: "one-thread-per-connection"}, + {Scope: ScopeGlobal, Name: "stored_program_cache", Value: "256"}, + {Scope: ScopeNone, Name: "performance_schema_max_mutex_instances", Value: "15906"}, + {Scope: ScopeGlobal, Name: "innodb_adaptive_max_sleep_delay", Value: "150000"}, + {Scope: ScopeNone, Name: "large_pages", Value: BoolOff}, + {Scope: ScopeGlobal | ScopeSession, Name: "session_track_system_variables", Value: ""}, + {Scope: ScopeGlobal, Name: "innodb_change_buffer_max_size", Value: "25"}, + {Scope: ScopeGlobal, Name: LogBinTrustFunctionCreators, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeNone, Name: "innodb_write_io_threads", Value: "4"}, + {Scope: ScopeGlobal, Name: "mysql_native_password_proxy_users", Value: ""}, + {Scope: ScopeGlobal, Name: serverReadOnly, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeNone, Name: "large_page_size", Value: "0"}, + {Scope: ScopeNone, Name: "table_open_cache_instances", Value: "1"}, + {Scope: ScopeGlobal, Name: InnodbStatsPersistent, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal | ScopeSession, Name: "session_track_state_change", Value: ""}, + {Scope: ScopeNone, Name: OptimizerSwitch, Value: "index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on,index_condition_pushdown=on,mrr=on,mrr_cost_based=on,block_nested_loop=on,batched_key_access=off,materialization=on,semijoin=on,loosescan=on,firstmatch=on,subquery_materialization_cost_based=on,use_index_extensions=on", IsHintUpdatable: true}, + {Scope: ScopeGlobal, Name: "delayed_queue_size", Value: "1000"}, + {Scope: ScopeNone, Name: "innodb_read_only", Value: "0"}, + {Scope: ScopeNone, Name: "datetime_format", Value: "%Y-%m-%d %H:%i:%s"}, + {Scope: ScopeGlobal, Name: "log_syslog", Value: ""}, + {Scope: ScopeGlobal | ScopeSession, Name: "transaction_alloc_block_size", Value: "8192"}, + {Scope: ScopeGlobal, Name: "innodb_large_prefix", Type: TypeBool, Value: BoolOff}, + {Scope: ScopeNone, Name: "performance_schema_max_cond_classes", Value: "80"}, + {Scope: ScopeGlobal, Name: "innodb_io_capacity", Value: "200"}, + {Scope: ScopeGlobal, Name: "max_binlog_cache_size", Value: "18446744073709547520"}, + {Scope: ScopeGlobal | ScopeSession, Name: "ndb_index_stat_enable", Value: ""}, + {Scope: ScopeGlobal, Name: "executed_gtids_compression_period", Value: ""}, + {Scope: ScopeNone, Name: "time_format", Value: "%H:%i:%s"}, + {Scope: ScopeGlobal | ScopeSession, Name: OldAlterTable, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: "long_query_time", Value: "10.000000"}, + {Scope: ScopeNone, Name: "innodb_use_native_aio", Value: "0"}, + {Scope: ScopeGlobal, Name: "log_throttle_queries_not_using_indexes", Value: "0"}, + {Scope: ScopeNone, Name: "locked_in_memory", Value: "0"}, + {Scope: ScopeNone, Name: "innodb_api_enable_mdl", Value: "0"}, + {Scope: ScopeGlobal, Name: "binlog_cache_size", Value: "32768"}, + {Scope: ScopeGlobal, Name: "innodb_compression_pad_pct_max", Value: "50"}, + {Scope: ScopeGlobal, Name: InnodbCommitConcurrency, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: 1000, AutoConvertOutOfRange: true}, + {Scope: ScopeNone, Name: "ft_min_word_len", Value: "4"}, + {Scope: ScopeGlobal, Name: EnforceGtidConsistency, Value: BoolOff, Type: TypeEnum, PossibleValues: []string{BoolOff, BoolOn, "WARN"}}, + {Scope: ScopeGlobal, Name: SecureAuth, Value: BoolOn, Type: TypeBool, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + if TiDBOptOn(normalizedValue) { + return BoolOn, nil + } + return normalizedValue, ErrWrongValueForVar.GenWithStackByArgs(SecureAuth, originalValue) + }}, + {Scope: ScopeNone, Name: "max_tmp_tables", Value: "32"}, + {Scope: ScopeGlobal, Name: InnodbRandomReadAhead, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal | ScopeSession, Name: UniqueChecks, Value: BoolOn, Type: TypeBool, IsHintUpdatable: true}, + {Scope: ScopeGlobal, Name: "internal_tmp_disk_storage_engine", Value: ""}, + {Scope: ScopeGlobal | ScopeSession, Name: "myisam_repair_threads", Value: "1"}, + {Scope: ScopeGlobal, Name: "ndb_eventbuffer_max_alloc", Value: ""}, + {Scope: ScopeGlobal, Name: "innodb_read_ahead_threshold", Value: "56"}, + {Scope: ScopeGlobal, Name: "key_cache_block_size", Value: "1024"}, + {Scope: ScopeNone, Name: "ndb_recv_thread_cpu_mask", Value: ""}, + {Scope: ScopeGlobal, Name: "gtid_purged", Value: ""}, + {Scope: ScopeGlobal, Name: "max_binlog_stmt_cache_size", Value: "18446744073709547520"}, + {Scope: ScopeGlobal | ScopeSession, Name: "lock_wait_timeout", Value: "31536000"}, + {Scope: ScopeGlobal | ScopeSession, Name: "read_buffer_size", Value: "131072", IsHintUpdatable: true}, + {Scope: ScopeNone, Name: "innodb_read_io_threads", Value: "4"}, + {Scope: ScopeGlobal | ScopeSession, Name: MaxSpRecursionDepth, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: 255, AutoConvertOutOfRange: true}, + {Scope: ScopeNone, Name: "ignore_builtin_innodb", Value: "0"}, + {Scope: ScopeGlobal, Name: "slow_query_log_file", Value: "/usr/local/mysql/data/localhost-slow.log"}, + {Scope: ScopeGlobal, Name: "innodb_thread_sleep_delay", Value: "10000"}, + {Scope: ScopeNone, Name: "license", Value: "Apache License 2.0"}, + {Scope: ScopeGlobal, Name: "innodb_ft_aux_table", Value: ""}, + {Scope: ScopeGlobal | ScopeSession, Name: SQLWarnings, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: KeepFilesOnCreate, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeNone, Name: "innodb_data_file_path", Value: "ibdata1:12M:autoextend"}, + {Scope: ScopeNone, Name: "performance_schema_setup_actors_size", Value: "100"}, + {Scope: ScopeNone, Name: "innodb_additional_mem_pool_size", Value: "8388608"}, + {Scope: ScopeNone, Name: "log_error", Value: "/usr/local/mysql/data/localhost.err"}, + {Scope: ScopeGlobal, Name: "binlog_stmt_cache_size", Value: "32768"}, + {Scope: ScopeNone, Name: "relay_log_info_file", Value: "relay-log.info"}, + {Scope: ScopeNone, Name: "innodb_ft_total_cache_size", Value: "640000000"}, + {Scope: ScopeNone, Name: "performance_schema_max_rwlock_instances", Value: "9102"}, + {Scope: ScopeGlobal, Name: "table_open_cache", Value: "2000"}, + {Scope: ScopeNone, Name: "performance_schema_events_stages_history_long_size", Value: "10000"}, + {Scope: ScopeSession, Name: "insert_id", Value: ""}, + {Scope: ScopeGlobal | ScopeSession, Name: "default_tmp_storage_engine", Value: "InnoDB", IsHintUpdatable: true}, + {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_search_depth", Value: "62", IsHintUpdatable: true}, + {Scope: ScopeGlobal | ScopeSession, Name: "max_points_in_geometry", Value: "65536", IsHintUpdatable: true}, + {Scope: ScopeGlobal, Name: "innodb_stats_sample_pages", Value: "8"}, + {Scope: ScopeGlobal | ScopeSession, Name: "profiling_history_size", Value: "15"}, + {Scope: ScopeNone, Name: "have_symlink", Value: "YES"}, + {Scope: ScopeGlobal | ScopeSession, Name: "storage_engine", Value: "InnoDB"}, + {Scope: ScopeGlobal | ScopeSession, Name: "sql_log_off", Value: "0"}, + // In MySQL, the default value of `explicit_defaults_for_timestamp` is `0`. + // But In TiDB, it's set to `1` to be consistent with TiDB timestamp behavior. + // See: https://github.com/pingcap/tidb/pull/6068 for details + {Scope: ScopeNone, Name: "explicit_defaults_for_timestamp", Value: BoolOn, Type: TypeBool}, + {Scope: ScopeNone, Name: "performance_schema_events_waits_history_size", Value: "10"}, + {Scope: ScopeGlobal, Name: "log_syslog_tag", Value: ""}, + {Scope: ScopeGlobal, Name: "innodb_undo_log_truncate", Value: ""}, + {Scope: ScopeSession, Name: "innodb_create_intrinsic", Value: ""}, + {Scope: ScopeGlobal, Name: "gtid_executed_compression_period", Value: ""}, + {Scope: ScopeGlobal, Name: "ndb_log_empty_epochs", Value: ""}, + {Scope: ScopeNone, Name: "have_geometry", Value: "YES"}, + {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_trace_max_mem_size", Value: "16384"}, + {Scope: ScopeGlobal | ScopeSession, Name: "net_retry_count", Value: "10"}, + {Scope: ScopeSession, Name: "ndb_table_no_logging", Value: ""}, + {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_trace_features", Value: "greedy_search=on,range_optimizer=on,dynamic_range=on,repeated_subselect=on"}, + {Scope: ScopeGlobal, Name: "innodb_flush_log_at_trx_commit", Value: "1"}, + {Scope: ScopeGlobal, Name: "rewriter_enabled", Value: ""}, + {Scope: ScopeGlobal, Name: "query_cache_min_res_unit", Value: "4096"}, + {Scope: ScopeGlobal | ScopeSession, Name: "updatable_views_with_limit", Value: "YES", IsHintUpdatable: true}, + {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_prune_level", Value: "1", IsHintUpdatable: true}, + {Scope: ScopeGlobal | ScopeSession, Name: "completion_type", Value: "NO_CHAIN"}, + {Scope: ScopeGlobal, Name: "binlog_checksum", Value: "CRC32"}, + {Scope: ScopeNone, Name: "report_port", Value: "3306"}, + {Scope: ScopeGlobal | ScopeSession, Name: ShowOldTemporals, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "query_cache_limit", Value: "1048576"}, + {Scope: ScopeGlobal, Name: "innodb_buffer_pool_size", Value: "134217728"}, + {Scope: ScopeGlobal, Name: InnodbAdaptiveFlushing, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeGlobal, Name: "innodb_monitor_enable", Value: ""}, + {Scope: ScopeNone, Name: "date_format", Value: "%Y-%m-%d"}, + {Scope: ScopeGlobal, Name: "innodb_buffer_pool_filename", Value: "ib_buffer_pool"}, + {Scope: ScopeGlobal, Name: "slow_launch_time", Value: "2"}, + {Scope: ScopeGlobal | ScopeSession, Name: "ndb_use_transactions", Value: ""}, + {Scope: ScopeNone, Name: "innodb_purge_threads", Value: "1"}, + {Scope: ScopeGlobal, Name: "innodb_concurrency_tickets", Value: "5000"}, + {Scope: ScopeGlobal, Name: "innodb_monitor_reset_all", Value: ""}, + {Scope: ScopeNone, Name: "performance_schema_users_size", Value: "100"}, + {Scope: ScopeGlobal, Name: "ndb_log_updated_only", Value: ""}, + {Scope: ScopeNone, Name: "basedir", Value: "/usr/local/mysql"}, + {Scope: ScopeGlobal, Name: "innodb_old_blocks_time", Value: "1000"}, + {Scope: ScopeGlobal, Name: "innodb_stats_method", Value: "nulls_equal"}, + {Scope: ScopeGlobal, Name: LocalInFile, Value: BoolOn, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: "myisam_stats_method", Value: "nulls_unequal"}, + {Scope: ScopeNone, Name: "version_compile_os", Value: "osx10.8"}, + {Scope: ScopeNone, Name: "relay_log_recovery", Value: "0"}, + {Scope: ScopeNone, Name: "old", Value: "0"}, + {Scope: ScopeGlobal | ScopeSession, Name: InnodbTableLocks, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeNone, Name: PerformanceSchema, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeNone, Name: "myisam_recover_options", Value: BoolOff}, + {Scope: ScopeGlobal | ScopeSession, Name: NetBufferLength, Value: "16384"}, + {Scope: ScopeGlobal | ScopeSession, Name: "binlog_row_image", Value: "FULL"}, + {Scope: ScopeNone, Name: "innodb_locks_unsafe_for_binlog", Value: "0"}, + {Scope: ScopeSession, Name: "rbr_exec_mode", Value: ""}, + {Scope: ScopeGlobal, Name: "myisam_max_sort_file_size", Value: "9223372036853727232"}, + {Scope: ScopeNone, Name: "back_log", Value: "80"}, + {Scope: ScopeSession, Name: "pseudo_thread_id", Value: ""}, + {Scope: ScopeNone, Name: "have_dynamic_loading", Value: "YES"}, + {Scope: ScopeGlobal, Name: "rewriter_verbose", Value: ""}, + {Scope: ScopeGlobal, Name: "innodb_undo_logs", Value: "128"}, + {Scope: ScopeNone, Name: "performance_schema_max_cond_instances", Value: "3504"}, + {Scope: ScopeGlobal, Name: "delayed_insert_limit", Value: "100"}, + {Scope: ScopeGlobal, Name: Flush, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: "eq_range_index_dive_limit", Value: "200", IsHintUpdatable: true}, + {Scope: ScopeNone, Name: "performance_schema_events_stages_history_size", Value: "10"}, + {Scope: ScopeGlobal | ScopeSession, Name: "ndb_join_pushdown", Value: ""}, + {Scope: ScopeGlobal, Name: "validate_password_special_char_count", Value: "1"}, + {Scope: ScopeNone, Name: "performance_schema_max_thread_instances", Value: "402"}, + {Scope: ScopeGlobal | ScopeSession, Name: "ndbinfo_show_hidden", Value: ""}, + {Scope: ScopeGlobal | ScopeSession, Name: "net_read_timeout", Value: "30"}, + {Scope: ScopeNone, Name: "innodb_page_size", Value: "16384"}, + {Scope: ScopeNone, Name: "innodb_log_file_size", Value: "50331648"}, + {Scope: ScopeGlobal, Name: "sync_relay_log_info", Value: "10000"}, + {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_trace_limit", Value: "1"}, + {Scope: ScopeNone, Name: "innodb_ft_max_token_size", Value: "84"}, + {Scope: ScopeGlobal, Name: ValidatePasswordLength, Value: "8", Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true}, + {Scope: ScopeGlobal, Name: "ndb_log_binlog_index", Value: ""}, + {Scope: ScopeGlobal, Name: "innodb_api_bk_commit_interval", Value: "5"}, + {Scope: ScopeNone, Name: "innodb_undo_directory", Value: "."}, + {Scope: ScopeNone, Name: "bind_address", Value: "*"}, + {Scope: ScopeGlobal, Name: "innodb_sync_spin_loops", Value: "30"}, + {Scope: ScopeGlobal | ScopeSession, Name: SQLSafeUpdates, Value: BoolOff, Type: TypeBool, IsHintUpdatable: true}, + {Scope: ScopeNone, Name: "tmpdir", Value: "/var/tmp/"}, + {Scope: ScopeGlobal, Name: "innodb_thread_concurrency", Value: "0"}, + {Scope: ScopeGlobal, Name: "innodb_buffer_pool_dump_pct", Value: ""}, + {Scope: ScopeGlobal | ScopeSession, Name: "lc_time_names", Value: "en_US"}, + {Scope: ScopeGlobal | ScopeSession, Name: "max_statement_time", Value: ""}, + {Scope: ScopeGlobal | ScopeSession, Name: EndMarkersInJSON, Value: BoolOff, Type: TypeBool, IsHintUpdatable: true}, + {Scope: ScopeGlobal, Name: AvoidTemporalUpgrade, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "key_cache_age_threshold", Value: "300"}, + {Scope: ScopeGlobal, Name: InnodbStatusOutput, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeSession, Name: "identity", Value: ""}, + {Scope: ScopeGlobal | ScopeSession, Name: "min_examined_row_limit", Value: "0"}, + {Scope: ScopeGlobal, Name: "sync_frm", Type: TypeBool, Value: BoolOn}, + {Scope: ScopeGlobal, Name: "innodb_online_alter_log_max_size", Value: "134217728"}, + {Scope: ScopeGlobal | ScopeSession, Name: "information_schema_stats_expiry", Value: "86400"}, + {Scope: ScopeGlobal, Name: ThreadPoolSize, Value: "16", Type: TypeUnsigned, MinValue: 1, MaxValue: 64, AutoConvertOutOfRange: true}, + {Scope: ScopeNone, Name: "lower_case_file_system", Value: "1"}, + // for compatibility purpose, we should leave them alone. + // TODO: Follow the Terminology Updates of MySQL after their changes arrived. + // https://mysqlhighavailability.com/mysql-terminology-updates/ + {Scope: ScopeSession, Name: PseudoSlaveMode, Value: "", Type: TypeInt}, + {Scope: ScopeGlobal, Name: "slave_pending_jobs_size_max", Value: "16777216"}, + {Scope: ScopeGlobal, Name: "slave_transaction_retries", Value: "10"}, + {Scope: ScopeGlobal, Name: "slave_checkpoint_period", Value: "300"}, + {Scope: ScopeGlobal, Name: MasterVerifyChecksum, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_trace_level", Value: ""}, + {Scope: ScopeGlobal, Name: "master_info_repository", Value: "FILE"}, + {Scope: ScopeGlobal, Name: "rpl_stop_slave_timeout", Value: "31536000"}, + {Scope: ScopeGlobal, Name: "slave_net_timeout", Value: "3600"}, + {Scope: ScopeGlobal, Name: "sync_master_info", Value: "10000"}, + {Scope: ScopeGlobal, Name: "init_slave", Value: ""}, + {Scope: ScopeGlobal, Name: SlaveCompressedProtocol, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "rpl_semi_sync_slave_trace_level", Value: ""}, + {Scope: ScopeGlobal, Name: LogSlowSlaveStatements, Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "slave_checkpoint_group", Value: "512"}, + {Scope: ScopeNone, Name: "slave_load_tmpdir", Value: "/var/tmp/"}, + {Scope: ScopeGlobal, Name: "slave_parallel_type", Value: ""}, + {Scope: ScopeGlobal, Name: "slave_parallel_workers", Value: "0"}, + {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_timeout", Value: "10000", Type: TypeInt}, + {Scope: ScopeNone, Name: "slave_skip_errors", Value: BoolOff}, + {Scope: ScopeGlobal, Name: "sql_slave_skip_counter", Value: "0"}, + {Scope: ScopeGlobal, Name: "rpl_semi_sync_slave_enabled", Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_enabled", Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "slave_preserve_commit_order", Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "slave_exec_mode", Value: "STRICT"}, + {Scope: ScopeNone, Name: "log_slave_updates", Value: BoolOff, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_wait_point", Value: "AFTER_SYNC", Type: TypeEnum, PossibleValues: []string{"AFTER_SYNC", "AFTER_COMMIT"}}, + {Scope: ScopeGlobal, Name: "slave_sql_verify_checksum", Value: BoolOn, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "slave_max_allowed_packet", Value: "1073741824"}, + {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_wait_for_slave_count", Value: "1", Type: TypeInt, MinValue: 1, MaxValue: 65535}, + {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_wait_no_slave", Value: BoolOn, Type: TypeBool}, + {Scope: ScopeGlobal, Name: "slave_rows_search_algorithms", Value: "TABLE_SCAN,INDEX_SCAN"}, + {Scope: ScopeGlobal, Name: SlaveAllowBatching, Value: BoolOff, Type: TypeBool}, +} diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 65ec0033e087e..5eaf578cdd8ea 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -372,6 +372,9 @@ func init() { for _, v := range defaultSysVars { RegisterSysVar(v) } + for _, v := range noopSysVars { + RegisterSysVar(v) + } initSynonymsSysVariables() } @@ -401,59 +404,11 @@ func checkCharacterValid(normalizedValue string, argName string) (string, error) return cht, nil } -// we only support MySQL now var defaultSysVars = []*SysVar{ - {Scope: ScopeGlobal, Name: "gtid_mode", Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal, Name: FlushTime, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: secondsPerYear, AutoConvertOutOfRange: true}, - {Scope: ScopeNone, Name: "performance_schema_max_mutex_classes", Value: "200"}, - {Scope: ScopeGlobal | ScopeSession, Name: LowPriorityUpdates, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: SessionTrackGtids, Value: BoolOff, Type: TypeEnum, PossibleValues: []string{BoolOff, "OWN_GTID", "ALL_GTIDS"}}, - {Scope: ScopeGlobal | ScopeSession, Name: "ndbinfo_max_rows", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: "ndb_index_stat_option", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: OldPasswords, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: 2, AutoConvertOutOfRange: true}, - {Scope: ScopeNone, Name: "innodb_version", Value: "5.6.25"}, {Scope: ScopeGlobal, Name: MaxConnections, Value: "151", Type: TypeUnsigned, MinValue: 1, MaxValue: 100000, AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal | ScopeSession, Name: BigTables, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeNone, Name: "skip_external_locking", Value: "1"}, - {Scope: ScopeNone, Name: "innodb_sync_array_size", Value: "1"}, - {Scope: ScopeSession, Name: "rand_seed2", Value: ""}, - {Scope: ScopeGlobal, Name: ValidatePasswordCheckUserName, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal, Name: ValidatePasswordNumberCount, Value: "1", Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true}, - {Scope: ScopeSession, Name: "gtid_next", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: SQLSelectLimit, Value: "18446744073709551615", Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal, Name: "ndb_show_foreign_key_mock_tables", Value: ""}, - {Scope: ScopeNone, Name: "multi_range_count", Value: "256"}, {Scope: ScopeGlobal | ScopeSession, Name: DefaultWeekFormat, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: 7, AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal | ScopeSession, Name: "binlog_error_action", Value: "IGNORE_ERROR"}, - {Scope: ScopeGlobal | ScopeSession, Name: "default_storage_engine", Value: "InnoDB"}, - {Scope: ScopeNone, Name: "ft_query_expansion_limit", Value: "20"}, - {Scope: ScopeGlobal, Name: MaxConnectErrors, Value: "100", Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal, Name: SyncBinlog, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: 4294967295, AutoConvertOutOfRange: true}, - {Scope: ScopeNone, Name: "max_digest_length", Value: "1024"}, - {Scope: ScopeNone, Name: "innodb_force_load_corrupted", Value: "0"}, - {Scope: ScopeNone, Name: "performance_schema_max_table_handles", Value: "4000"}, - {Scope: ScopeGlobal, Name: InnodbFastShutdown, Value: "1", Type: TypeUnsigned, MinValue: 0, MaxValue: 2, AutoConvertOutOfRange: true}, - {Scope: ScopeNone, Name: "ft_max_word_len", Value: "84"}, - {Scope: ScopeGlobal, Name: "log_backward_compatible_user_definitions", Value: ""}, - {Scope: ScopeNone, Name: "lc_messages_dir", Value: "/usr/local/mysql-5.6.25-osx10.8-x86_64/share/"}, - {Scope: ScopeGlobal, Name: "ft_boolean_syntax", Value: "+ -><()~*:\"\"&|"}, - {Scope: ScopeGlobal, Name: TableDefinitionCache, Value: "-1", Type: TypeUnsigned, MinValue: 400, MaxValue: 524288, AutoConvertOutOfRange: true}, - {Scope: ScopeNone, Name: SkipNameResolve, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeNone, Name: "performance_schema_max_file_handles", Value: "32768"}, - {Scope: ScopeSession, Name: "transaction_allow_batching", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: SQLModeVar, Value: mysql.DefaultSQLMode, IsHintUpdatable: true}, - {Scope: ScopeNone, Name: "performance_schema_max_statement_classes", Value: "168"}, - {Scope: ScopeGlobal, Name: "server_id", Value: "0"}, - {Scope: ScopeGlobal, Name: "innodb_flushing_avg_loops", Value: "30"}, - {Scope: ScopeGlobal | ScopeSession, Name: TmpTableSize, Value: "16777216", Type: TypeUnsigned, MinValue: 1024, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true, IsHintUpdatable: true}, - {Scope: ScopeGlobal, Name: "innodb_max_purge_lag", Value: "0"}, - {Scope: ScopeGlobal | ScopeSession, Name: "preload_buffer_size", Value: "32768"}, - {Scope: ScopeGlobal, Name: CheckProxyUsers, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeNone, Name: "have_query_cache", Value: "YES"}, - {Scope: ScopeGlobal, Name: "innodb_flush_log_at_timeout", Value: "1"}, - {Scope: ScopeGlobal, Name: "innodb_max_undo_log_size", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: "range_alloc_block_size", Value: "4096", IsHintUpdatable: true}, - {Scope: ScopeGlobal, Name: ConnectTimeout, Value: "10", Type: TypeUnsigned, MinValue: 2, MaxValue: secondsPerYear, AutoConvertOutOfRange: true}, {Scope: ScopeGlobal | ScopeSession, Name: MaxExecutionTime, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true, IsHintUpdatable: true}, {Scope: ScopeGlobal | ScopeSession, Name: CollationServer, Value: mysql.DefaultCollationName, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { if _, err := collate.GetCollationByName(normalizedValue); err != nil { @@ -461,40 +416,7 @@ var defaultSysVars = []*SysVar{ } return normalizedValue, nil }}, - {Scope: ScopeNone, Name: "have_rtree_keys", Value: "YES"}, - {Scope: ScopeGlobal, Name: "innodb_old_blocks_pct", Value: "37"}, - {Scope: ScopeGlobal, Name: "innodb_file_format", Value: "Antelope"}, - {Scope: ScopeGlobal, Name: "innodb_compression_failure_threshold_pct", Value: "5"}, - {Scope: ScopeNone, Name: "performance_schema_events_waits_history_long_size", Value: "10000"}, - {Scope: ScopeGlobal, Name: "innodb_checksum_algorithm", Value: "innodb"}, - {Scope: ScopeNone, Name: "innodb_ft_sort_pll_degree", Value: "2"}, - {Scope: ScopeNone, Name: "thread_stack", Value: "262144"}, - {Scope: ScopeGlobal, Name: "relay_log_info_repository", Value: "FILE"}, {Scope: ScopeGlobal | ScopeSession, Name: SQLLogBin, Value: BoolOn, Type: TypeBool}, - {Scope: ScopeGlobal, Name: SuperReadOnly, Value: "0", Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: "max_delayed_threads", Value: "20"}, - {Scope: ScopeNone, Name: "protocol_version", Value: "10"}, - {Scope: ScopeGlobal | ScopeSession, Name: "new", Value: BoolOff}, - {Scope: ScopeGlobal | ScopeSession, Name: "myisam_sort_buffer_size", Value: "8388608"}, - {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_trace_offset", Value: "-1"}, - {Scope: ScopeGlobal, Name: InnodbBufferPoolDumpAtShutdown, Value: "0"}, - {Scope: ScopeGlobal | ScopeSession, Name: SQLNotes, Value: "1"}, - {Scope: ScopeGlobal, Name: InnodbCmpPerIndexEnabled, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeGlobal, Name: "innodb_ft_server_stopword_table", Value: ""}, - {Scope: ScopeNone, Name: "performance_schema_max_file_instances", Value: "7693"}, - {Scope: ScopeNone, Name: "log_output", Value: "FILE"}, - {Scope: ScopeGlobal, Name: "binlog_group_commit_sync_delay", Value: ""}, - {Scope: ScopeGlobal, Name: "binlog_group_commit_sync_no_delay_count", Value: ""}, - {Scope: ScopeNone, Name: "have_crypt", Value: "YES"}, - {Scope: ScopeGlobal, Name: "innodb_log_write_ahead_size", Value: ""}, - {Scope: ScopeNone, Name: "innodb_log_group_home_dir", Value: "./"}, - {Scope: ScopeNone, Name: "performance_schema_events_statements_history_size", Value: "10"}, - {Scope: ScopeGlobal, Name: GeneralLog, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal, Name: "validate_password_dictionary_file", Value: ""}, - {Scope: ScopeGlobal, Name: BinlogOrderCommits, Value: BoolOn, Type: TypeBool}, - {Scope: ScopeGlobal, Name: "key_cache_division_limit", Value: "100"}, - {Scope: ScopeGlobal | ScopeSession, Name: "max_insert_delayed_threads", Value: "20"}, - {Scope: ScopeNone, Name: "performance_schema_session_connect_attrs_size", Value: "512"}, {Scope: ScopeGlobal | ScopeSession, Name: TimeZone, Value: "SYSTEM", IsHintUpdatable: true, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { if strings.EqualFold(normalizedValue, "SYSTEM") { return "SYSTEM", nil @@ -502,22 +424,7 @@ var defaultSysVars = []*SysVar{ _, err := parseTimeZone(normalizedValue) return normalizedValue, err }}, - {Scope: ScopeGlobal, Name: "innodb_max_dirty_pages_pct", Value: "75"}, - {Scope: ScopeGlobal, Name: InnodbFilePerTable, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeGlobal, Name: InnodbLogCompressedPages, Value: "1"}, - {Scope: ScopeNone, Name: "skip_networking", Value: "0"}, - {Scope: ScopeGlobal, Name: "innodb_monitor_reset", Value: ""}, - {Scope: ScopeNone, Name: "have_ssl", Value: "DISABLED"}, - {Scope: ScopeNone, Name: "have_openssl", Value: "DISABLED"}, - {Scope: ScopeNone, Name: "ssl_ca", Value: ""}, - {Scope: ScopeNone, Name: "ssl_cert", Value: ""}, - {Scope: ScopeNone, Name: "ssl_key", Value: ""}, - {Scope: ScopeNone, Name: "ssl_cipher", Value: ""}, - {Scope: ScopeNone, Name: "tls_version", Value: "TLSv1,TLSv1.1,TLSv1.2"}, - {Scope: ScopeNone, Name: "system_time_zone", Value: "CST"}, - {Scope: ScopeGlobal, Name: InnodbPrintAllDeadlocks, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeNone, Name: "innodb_autoinc_lock_mode", Value: "1"}, - {Scope: ScopeGlobal, Name: "key_buffer_size", Value: "8388608"}, + {Scope: ScopeNone, Name: SystemTimeZone, Value: "CST"}, {Scope: ScopeGlobal | ScopeSession, Name: ForeignKeyChecks, Value: BoolOff, Type: TypeBool, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { if TiDBOptOn(normalizedValue) { // TiDB does not yet support foreign keys. @@ -529,75 +436,10 @@ var defaultSysVars = []*SysVar{ } return normalizedValue, ErrWrongValueForVar.GenWithStackByArgs(ForeignKeyChecks, originalValue) }}, - {Scope: ScopeGlobal, Name: "host_cache_size", Value: "279"}, - {Scope: ScopeGlobal, Name: DelayKeyWrite, Value: BoolOn, Type: TypeEnum, PossibleValues: []string{BoolOff, BoolOn, "ALL"}}, - {Scope: ScopeNone, Name: "metadata_locks_cache_size", Value: "1024"}, - {Scope: ScopeNone, Name: "innodb_force_recovery", Value: "0"}, - {Scope: ScopeGlobal, Name: "innodb_file_format_max", Value: "Antelope"}, - {Scope: ScopeGlobal | ScopeSession, Name: "debug", Value: ""}, - {Scope: ScopeGlobal, Name: "log_warnings", Value: "1"}, - {Scope: ScopeGlobal, Name: OfflineMode, Value: "0", Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: InnodbStrictMode, Value: "1", Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeGlobal, Name: "innodb_rollback_segments", Value: "128"}, - {Scope: ScopeGlobal | ScopeSession, Name: "join_buffer_size", Value: "262144", IsHintUpdatable: true}, - {Scope: ScopeNone, Name: "innodb_mirrored_log_groups", Value: "1"}, - {Scope: ScopeGlobal, Name: "max_binlog_size", Value: "1073741824"}, - {Scope: ScopeGlobal, Name: "concurrent_insert", Value: "AUTO"}, - {Scope: ScopeGlobal, Name: InnodbAdaptiveHashIndex, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeGlobal, Name: InnodbFtEnableStopword, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeGlobal, Name: "general_log_file", Value: "/usr/local/mysql/data/localhost.log"}, - {Scope: ScopeGlobal | ScopeSession, Name: InnodbSupportXA, Value: "1"}, - {Scope: ScopeGlobal, Name: "innodb_compression_level", Value: "6"}, - {Scope: ScopeNone, Name: "innodb_file_format_check", Value: "1"}, - {Scope: ScopeNone, Name: "myisam_mmap_size", Value: "18446744073709551615"}, - {Scope: ScopeNone, Name: "innodb_buffer_pool_instances", Value: "8"}, - {Scope: ScopeGlobal | ScopeSession, Name: BlockEncryptionMode, Value: "aes-128-ecb"}, - {Scope: ScopeGlobal | ScopeSession, Name: "max_length_for_sort_data", Value: "1024", IsHintUpdatable: true}, - {Scope: ScopeNone, Name: "character_set_system", Value: "utf8"}, - {Scope: ScopeGlobal | ScopeSession, Name: InteractiveTimeout, Value: "28800", Type: TypeUnsigned, MinValue: 1, MaxValue: secondsPerYear, AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal, Name: InnodbOptimizeFullTextOnly, Value: "0"}, - {Scope: ScopeNone, Name: "character_sets_dir", Value: "/usr/local/mysql-5.6.25-osx10.8-x86_64/share/charsets/"}, - {Scope: ScopeGlobal | ScopeSession, Name: QueryCacheType, Value: BoolOff, Type: TypeEnum, PossibleValues: []string{BoolOff, BoolOn, "DEMAND"}}, - {Scope: ScopeNone, Name: "innodb_rollback_on_timeout", Value: "0"}, - {Scope: ScopeGlobal | ScopeSession, Name: "query_alloc_block_size", Value: "8192"}, - {Scope: ScopeGlobal | ScopeSession, Name: InitConnect, Value: ""}, - {Scope: ScopeNone, Name: "have_compress", Value: "YES"}, - {Scope: ScopeNone, Name: "thread_concurrency", Value: "10"}, - {Scope: ScopeGlobal | ScopeSession, Name: "query_prealloc_size", Value: "8192"}, - {Scope: ScopeNone, Name: "relay_log_space_limit", Value: "0"}, - {Scope: ScopeGlobal | ScopeSession, Name: MaxUserConnections, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: 4294967295, AutoConvertOutOfRange: true}, - {Scope: ScopeNone, Name: "performance_schema_max_thread_classes", Value: "50"}, - {Scope: ScopeGlobal, Name: "innodb_api_trx_level", Value: "0"}, - {Scope: ScopeNone, Name: "disconnect_on_expired_password", Value: "1"}, - {Scope: ScopeNone, Name: "performance_schema_max_file_classes", Value: "50"}, - {Scope: ScopeGlobal, Name: "expire_logs_days", Value: "0"}, - {Scope: ScopeGlobal | ScopeSession, Name: BinlogRowQueryLogEvents, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal, Name: "default_password_lifetime", Value: ""}, - {Scope: ScopeNone, Name: "pid_file", Value: "/usr/local/mysql/data/localhost.pid"}, - {Scope: ScopeNone, Name: "innodb_undo_tablespaces", Value: "0"}, - {Scope: ScopeGlobal, Name: InnodbStatusOutputLocks, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeNone, Name: "performance_schema_accounts_size", Value: "100"}, - {Scope: ScopeGlobal | ScopeSession, Name: "max_error_count", Value: "64", IsHintUpdatable: true}, - {Scope: ScopeGlobal, Name: "max_write_lock_count", Value: "18446744073709551615"}, - {Scope: ScopeNone, Name: "performance_schema_max_socket_instances", Value: "322"}, - {Scope: ScopeNone, Name: "performance_schema_max_table_instances", Value: "12500"}, - {Scope: ScopeGlobal, Name: "innodb_stats_persistent_sample_pages", Value: "20"}, - {Scope: ScopeGlobal, Name: "show_compatibility_56", Value: ""}, - {Scope: ScopeNone, Name: "innodb_open_files", Value: "2000"}, - {Scope: ScopeGlobal, Name: "innodb_spin_wait_delay", Value: "6"}, - {Scope: ScopeGlobal, Name: "thread_cache_size", Value: "9"}, - {Scope: ScopeGlobal, Name: LogSlowAdminStatements, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeNone, Name: "innodb_checksums", Type: TypeBool, Value: BoolOn}, - {Scope: ScopeNone, Name: "hostname", Value: ServerHostname}, - {Scope: ScopeGlobal | ScopeSession, Name: "auto_increment_offset", Value: "1"}, - {Scope: ScopeNone, Name: "ft_stopword_file", Value: "(built-in)"}, - {Scope: ScopeGlobal, Name: "innodb_max_dirty_pages_pct_lwm", Value: "0"}, - {Scope: ScopeGlobal, Name: LogQueriesNotUsingIndexes, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeSession, Name: "timestamp", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: QueryCacheWlockInvalidate, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: "sql_buffer_result", Value: BoolOff, IsHintUpdatable: true}, - {Scope: ScopeGlobal | ScopeSession, Name: "character_set_filesystem", Value: "binary", Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { - return checkCharacterValid(normalizedValue, "character_set_filesystem") + {Scope: ScopeNone, Name: Hostname, Value: ServerHostname}, + {Scope: ScopeSession, Name: Timestamp, Value: ""}, + {Scope: ScopeGlobal | ScopeSession, Name: CharacterSetFilesystem, Value: "binary", Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + return checkCharacterValid(normalizedValue, CharacterSetFilesystem) }}, {Scope: ScopeGlobal | ScopeSession, Name: CollationDatabase, Value: mysql.DefaultCollationName, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { if _, err := collate.GetCollationByName(normalizedValue); err != nil { @@ -607,114 +449,19 @@ var defaultSysVars = []*SysVar{ }}, {Scope: ScopeGlobal | ScopeSession, Name: AutoIncrementIncrement, Value: strconv.FormatInt(DefAutoIncrementIncrement, 10), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint16, AutoConvertOutOfRange: true}, {Scope: ScopeGlobal | ScopeSession, Name: AutoIncrementOffset, Value: strconv.FormatInt(DefAutoIncrementOffset, 10), Type: TypeUnsigned, MinValue: 1, MaxValue: math.MaxUint16, AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal | ScopeSession, Name: "max_heap_table_size", Value: "16777216", IsHintUpdatable: true}, - {Scope: ScopeGlobal | ScopeSession, Name: "div_precision_increment", Value: "4", IsHintUpdatable: true}, - {Scope: ScopeGlobal, Name: "innodb_lru_scan_depth", Value: "1024"}, - {Scope: ScopeGlobal, Name: "innodb_purge_rseg_truncate_frequency", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: SQLAutoIsNull, Value: BoolOff, Type: TypeBool, IsHintUpdatable: true}, - {Scope: ScopeNone, Name: "innodb_api_enable_binlog", Value: "0"}, - {Scope: ScopeGlobal | ScopeSession, Name: "innodb_ft_user_stopword_table", Value: ""}, - {Scope: ScopeNone, Name: "server_id_bits", Value: "32"}, - {Scope: ScopeGlobal, Name: "innodb_log_checksum_algorithm", Value: ""}, - {Scope: ScopeNone, Name: "innodb_buffer_pool_load_at_startup", Value: "1"}, - {Scope: ScopeGlobal | ScopeSession, Name: "sort_buffer_size", Value: "262144", IsHintUpdatable: true}, - {Scope: ScopeGlobal, Name: "innodb_flush_neighbors", Value: "1"}, - {Scope: ScopeNone, Name: "innodb_use_sys_malloc", Value: "1"}, - {Scope: ScopeSession, Name: PluginLoad, Value: ""}, - {Scope: ScopeSession, Name: PluginDir, Value: "/data/deploy/plugin"}, - {Scope: ScopeNone, Name: "performance_schema_max_socket_classes", Value: "10"}, - {Scope: ScopeNone, Name: "performance_schema_max_stage_classes", Value: "150"}, - {Scope: ScopeGlobal, Name: "innodb_purge_batch_size", Value: "300"}, - {Scope: ScopeNone, Name: "have_profiling", Value: "NO"}, - {Scope: ScopeGlobal | ScopeSession, Name: "character_set_client", Value: mysql.DefaultCharset, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { - return checkCharacterValid(normalizedValue, "character_set_client") + {Scope: ScopeGlobal | ScopeSession, Name: CharacterSetClient, Value: mysql.DefaultCharset, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + return checkCharacterValid(normalizedValue, CharacterSetClient) }}, - {Scope: ScopeGlobal, Name: InnodbBufferPoolDumpNow, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeGlobal, Name: RelayLogPurge, Value: BoolOn, Type: TypeBool}, - {Scope: ScopeGlobal, Name: "ndb_distribution", Value: ""}, - {Scope: ScopeGlobal, Name: "myisam_data_pointer_size", Value: "6"}, - {Scope: ScopeGlobal, Name: "ndb_optimization_delay", Value: ""}, - {Scope: ScopeGlobal, Name: "innodb_ft_num_word_optimize", Value: "2000"}, - {Scope: ScopeGlobal | ScopeSession, Name: "max_join_size", Value: "18446744073709551615", IsHintUpdatable: true}, - {Scope: ScopeNone, Name: CoreFile, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: "max_seeks_for_key", Value: "18446744073709551615", IsHintUpdatable: true}, - {Scope: ScopeNone, Name: "innodb_log_buffer_size", Value: "8388608"}, - {Scope: ScopeGlobal, Name: "delayed_insert_timeout", Value: "300"}, - {Scope: ScopeGlobal, Name: "max_relay_log_size", Value: "0"}, - {Scope: ScopeGlobal | ScopeSession, Name: MaxSortLength, Value: "1024", Type: TypeUnsigned, MinValue: 4, MaxValue: 8388608, AutoConvertOutOfRange: true, IsHintUpdatable: true}, - {Scope: ScopeNone, Name: "metadata_locks_hash_instances", Value: "8"}, - {Scope: ScopeGlobal, Name: "ndb_eventbuffer_free_percent", Value: ""}, - {Scope: ScopeNone, Name: "large_files_support", Value: "1"}, - {Scope: ScopeGlobal, Name: "binlog_max_flush_queue_time", Value: "0"}, - {Scope: ScopeGlobal, Name: "innodb_fill_factor", Value: ""}, - {Scope: ScopeGlobal, Name: "log_syslog_facility", Value: ""}, - {Scope: ScopeNone, Name: "innodb_ft_min_token_size", Value: "3"}, - {Scope: ScopeGlobal | ScopeSession, Name: "transaction_write_set_extraction", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: "ndb_blob_write_batch_bytes", Value: ""}, - {Scope: ScopeGlobal, Name: "automatic_sp_privileges", Value: "1"}, - {Scope: ScopeGlobal, Name: "innodb_flush_sync", Value: ""}, - {Scope: ScopeNone, Name: "performance_schema_events_statements_history_long_size", Value: "10000"}, - {Scope: ScopeGlobal, Name: "innodb_monitor_disable", Value: ""}, - {Scope: ScopeNone, Name: "innodb_doublewrite", Value: "1"}, - {Scope: ScopeNone, Name: "log_bin_use_v1_row_events", Value: "0"}, - {Scope: ScopeSession, Name: "innodb_optimize_point_storage", Value: ""}, - {Scope: ScopeNone, Name: "innodb_api_disable_rowlock", Value: "0"}, - {Scope: ScopeGlobal, Name: "innodb_adaptive_flushing_lwm", Value: "10"}, - {Scope: ScopeNone, Name: "innodb_log_files_in_group", Value: "2"}, - {Scope: ScopeGlobal, Name: InnodbBufferPoolLoadNow, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeNone, Name: "performance_schema_max_rwlock_classes", Value: "40"}, - {Scope: ScopeNone, Name: "binlog_gtid_simple_recovery", Value: "1"}, {Scope: ScopeNone, Name: Port, Value: "4000"}, - {Scope: ScopeNone, Name: "performance_schema_digests_size", Value: "10000"}, - {Scope: ScopeGlobal | ScopeSession, Name: Profiling, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeNone, Name: "lower_case_table_names", Value: "2"}, - {Scope: ScopeSession, Name: "rand_seed1", Value: ""}, - {Scope: ScopeGlobal, Name: "sha256_password_proxy_users", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: SQLQuoteShowCreate, Value: BoolOn, Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: "binlogging_impossible_mode", Value: "IGNORE_ERROR"}, - {Scope: ScopeGlobal | ScopeSession, Name: QueryCacheSize, Value: "1048576"}, - {Scope: ScopeGlobal, Name: "innodb_stats_transient_sample_pages", Value: "8"}, - {Scope: ScopeGlobal, Name: InnodbStatsOnMetadata, Value: "0"}, - {Scope: ScopeNone, Name: "server_uuid", Value: "00000000-0000-0000-0000-000000000000"}, - {Scope: ScopeNone, Name: "open_files_limit", Value: "5000"}, - {Scope: ScopeGlobal | ScopeSession, Name: "ndb_force_send", Value: ""}, - {Scope: ScopeNone, Name: "skip_show_database", Value: "0"}, - {Scope: ScopeGlobal, Name: "log_timestamps", Value: ""}, - {Scope: ScopeNone, Name: "version_compile_machine", Value: "x86_64"}, - {Scope: ScopeGlobal, Name: "event_scheduler", Value: BoolOff}, - {Scope: ScopeGlobal | ScopeSession, Name: "ndb_deferred_constraints", Value: ""}, - {Scope: ScopeGlobal, Name: "log_syslog_include_pid", Value: ""}, - {Scope: ScopeSession, Name: "last_insert_id", Value: ""}, - {Scope: ScopeNone, Name: "innodb_ft_cache_size", Value: "8000000"}, + {Scope: ScopeNone, Name: LowerCaseTableNames, Value: "2"}, {Scope: ScopeNone, Name: LogBin, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal, Name: InnodbDisableSortFileCache, Value: "0"}, - {Scope: ScopeGlobal, Name: "log_error_verbosity", Value: ""}, - {Scope: ScopeNone, Name: "performance_schema_hosts_size", Value: "100"}, - {Scope: ScopeGlobal, Name: "innodb_replication_delay", Value: "0"}, - {Scope: ScopeGlobal, Name: SlowQueryLog, Value: "0"}, - {Scope: ScopeSession, Name: "debug_sync", Value: ""}, - {Scope: ScopeGlobal, Name: InnodbStatsAutoRecalc, Value: "1"}, - {Scope: ScopeGlobal | ScopeSession, Name: "lc_messages", Value: "en_US"}, - {Scope: ScopeGlobal | ScopeSession, Name: "bulk_insert_buffer_size", Value: "8388608", IsHintUpdatable: true}, - {Scope: ScopeGlobal | ScopeSession, Name: BinlogDirectNonTransactionalUpdates, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal, Name: "innodb_change_buffering", Value: "all"}, - {Scope: ScopeGlobal | ScopeSession, Name: SQLBigSelects, Value: BoolOn, Type: TypeBool, IsHintUpdatable: true}, {Scope: ScopeGlobal | ScopeSession, Name: CharacterSetResults, Value: mysql.DefaultCharset, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { if normalizedValue == "" { return normalizedValue, nil } return checkCharacterValid(normalizedValue, "") }}, - {Scope: ScopeGlobal, Name: "innodb_max_purge_lag_delay", Value: "0"}, - {Scope: ScopeGlobal | ScopeSession, Name: "session_track_schema", Value: ""}, - {Scope: ScopeGlobal, Name: "innodb_io_capacity_max", Value: "2000"}, - {Scope: ScopeGlobal, Name: "innodb_autoextend_increment", Value: "64"}, - {Scope: ScopeGlobal | ScopeSession, Name: "binlog_format", Value: "STATEMENT"}, - {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_trace", Value: "enabled=off,one_line=off"}, - {Scope: ScopeGlobal | ScopeSession, Name: "read_rnd_buffer_size", Value: "262144", IsHintUpdatable: true}, - {Scope: ScopeNone, Name: "version_comment", Value: "TiDB Server (Apache License 2.0) " + versioninfo.TiDBEdition + " Edition, MySQL 5.7 compatible"}, - {Scope: ScopeGlobal | ScopeSession, Name: NetWriteTimeout, Value: "60"}, - {Scope: ScopeGlobal, Name: InnodbBufferPoolLoadAbort, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, + {Scope: ScopeNone, Name: VersionComment, Value: "TiDB Server (Apache License 2.0) " + versioninfo.TiDBEdition + " Edition, MySQL 5.7 compatible"}, {Scope: ScopeGlobal | ScopeSession, Name: TxnIsolation, Value: "REPEATABLE-READ", Type: TypeEnum, PossibleValues: []string{"READ-UNCOMMITTED", "READ-COMMITTED", "REPEATABLE-READ", "SERIALIZABLE"}, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { if normalizedValue == "SERIALIZABLE" || normalizedValue == "READ-UNCOMMITTED" { if skipIsolationLevelCheck, err := GetSessionSystemVar(vars, TiDBSkipIsolationLevelCheck); err != nil { @@ -743,164 +490,17 @@ var defaultSysVars = []*SysVar{ } return normalizedValue, nil }}, - {Scope: ScopeGlobal | ScopeSession, Name: "transaction_prealloc_size", Value: "4096"}, - {Scope: ScopeNone, Name: "performance_schema_setup_objects_size", Value: "100"}, - {Scope: ScopeGlobal, Name: "sync_relay_log", Value: "10000"}, - {Scope: ScopeGlobal, Name: "innodb_ft_result_cache_limit", Value: "2000000000"}, - {Scope: ScopeNone, Name: "innodb_sort_buffer_size", Value: "1048576"}, - {Scope: ScopeGlobal, Name: "innodb_ft_enable_diag_print", Type: TypeBool, Value: BoolOff}, - {Scope: ScopeNone, Name: "thread_handling", Value: "one-thread-per-connection"}, - {Scope: ScopeGlobal, Name: "stored_program_cache", Value: "256"}, - {Scope: ScopeNone, Name: "performance_schema_max_mutex_instances", Value: "15906"}, - {Scope: ScopeGlobal, Name: "innodb_adaptive_max_sleep_delay", Value: "150000"}, - {Scope: ScopeNone, Name: "large_pages", Value: BoolOff}, - {Scope: ScopeGlobal | ScopeSession, Name: "session_track_system_variables", Value: ""}, - {Scope: ScopeGlobal, Name: "innodb_change_buffer_max_size", Value: "25"}, - {Scope: ScopeGlobal, Name: LogBinTrustFunctionCreators, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeNone, Name: "innodb_write_io_threads", Value: "4"}, - {Scope: ScopeGlobal, Name: "mysql_native_password_proxy_users", Value: ""}, - {Scope: ScopeGlobal, Name: serverReadOnly, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeNone, Name: "large_page_size", Value: "0"}, - {Scope: ScopeNone, Name: "table_open_cache_instances", Value: "1"}, - {Scope: ScopeGlobal, Name: InnodbStatsPersistent, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeGlobal | ScopeSession, Name: "session_track_state_change", Value: ""}, - {Scope: ScopeNone, Name: OptimizerSwitch, Value: "index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on,index_condition_pushdown=on,mrr=on,mrr_cost_based=on,block_nested_loop=on,batched_key_access=off,materialization=on,semijoin=on,loosescan=on,firstmatch=on,subquery_materialization_cost_based=on,use_index_extensions=on", IsHintUpdatable: true}, - {Scope: ScopeGlobal, Name: "delayed_queue_size", Value: "1000"}, - {Scope: ScopeNone, Name: "innodb_read_only", Value: "0"}, - {Scope: ScopeNone, Name: "datetime_format", Value: "%Y-%m-%d %H:%i:%s"}, - {Scope: ScopeGlobal, Name: "log_syslog", Value: ""}, - {Scope: ScopeNone, Name: "version", Value: mysql.ServerVersion}, - {Scope: ScopeGlobal | ScopeSession, Name: "transaction_alloc_block_size", Value: "8192"}, - {Scope: ScopeGlobal, Name: "innodb_large_prefix", Type: TypeBool, Value: BoolOff}, - {Scope: ScopeNone, Name: "performance_schema_max_cond_classes", Value: "80"}, - {Scope: ScopeGlobal, Name: "innodb_io_capacity", Value: "200"}, - {Scope: ScopeGlobal, Name: "max_binlog_cache_size", Value: "18446744073709547520"}, - {Scope: ScopeGlobal | ScopeSession, Name: "ndb_index_stat_enable", Value: ""}, - {Scope: ScopeGlobal, Name: "executed_gtids_compression_period", Value: ""}, - {Scope: ScopeNone, Name: "time_format", Value: "%H:%i:%s"}, - {Scope: ScopeGlobal | ScopeSession, Name: OldAlterTable, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: "long_query_time", Value: "10.000000"}, - {Scope: ScopeNone, Name: "innodb_use_native_aio", Value: "0"}, - {Scope: ScopeGlobal, Name: "log_throttle_queries_not_using_indexes", Value: "0"}, - {Scope: ScopeNone, Name: "locked_in_memory", Value: "0"}, - {Scope: ScopeNone, Name: "innodb_api_enable_mdl", Value: "0"}, - {Scope: ScopeGlobal, Name: "binlog_cache_size", Value: "32768"}, - {Scope: ScopeGlobal, Name: "innodb_compression_pad_pct_max", Value: "50"}, - {Scope: ScopeGlobal, Name: InnodbCommitConcurrency, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: 1000, AutoConvertOutOfRange: true}, - {Scope: ScopeNone, Name: "ft_min_word_len", Value: "4"}, - {Scope: ScopeGlobal, Name: EnforceGtidConsistency, Value: BoolOff, Type: TypeEnum, PossibleValues: []string{BoolOff, BoolOn, "WARN"}}, - {Scope: ScopeGlobal, Name: SecureAuth, Value: BoolOn, Type: TypeBool, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { - if TiDBOptOn(normalizedValue) { - return BoolOn, nil - } - return normalizedValue, ErrWrongValueForVar.GenWithStackByArgs(SecureAuth, originalValue) - }}, - {Scope: ScopeNone, Name: "max_tmp_tables", Value: "32"}, - {Scope: ScopeGlobal, Name: InnodbRandomReadAhead, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeGlobal | ScopeSession, Name: UniqueChecks, Value: BoolOn, Type: TypeBool, IsHintUpdatable: true}, - {Scope: ScopeGlobal, Name: "internal_tmp_disk_storage_engine", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: "myisam_repair_threads", Value: "1"}, - {Scope: ScopeGlobal, Name: "ndb_eventbuffer_max_alloc", Value: ""}, - {Scope: ScopeGlobal, Name: "innodb_read_ahead_threshold", Value: "56"}, - {Scope: ScopeGlobal, Name: "key_cache_block_size", Value: "1024"}, - {Scope: ScopeNone, Name: "ndb_recv_thread_cpu_mask", Value: ""}, - {Scope: ScopeGlobal, Name: "gtid_purged", Value: ""}, - {Scope: ScopeGlobal, Name: "max_binlog_stmt_cache_size", Value: "18446744073709547520"}, - {Scope: ScopeGlobal | ScopeSession, Name: "lock_wait_timeout", Value: "31536000"}, - {Scope: ScopeGlobal | ScopeSession, Name: "read_buffer_size", Value: "131072", IsHintUpdatable: true}, - {Scope: ScopeNone, Name: "innodb_read_io_threads", Value: "4"}, - {Scope: ScopeGlobal | ScopeSession, Name: MaxSpRecursionDepth, Value: "0", Type: TypeUnsigned, MinValue: 0, MaxValue: 255, AutoConvertOutOfRange: true}, - {Scope: ScopeNone, Name: "ignore_builtin_innodb", Value: "0"}, - {Scope: ScopeGlobal, Name: "slow_query_log_file", Value: "/usr/local/mysql/data/localhost-slow.log"}, - {Scope: ScopeGlobal, Name: "innodb_thread_sleep_delay", Value: "10000"}, - {Scope: ScopeNone, Name: "license", Value: "Apache License 2.0"}, - {Scope: ScopeGlobal, Name: "innodb_ft_aux_table", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: SQLWarnings, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: KeepFilesOnCreate, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeNone, Name: "innodb_data_file_path", Value: "ibdata1:12M:autoextend"}, - {Scope: ScopeNone, Name: "performance_schema_setup_actors_size", Value: "100"}, - {Scope: ScopeNone, Name: "innodb_additional_mem_pool_size", Value: "8388608"}, - {Scope: ScopeNone, Name: "log_error", Value: "/usr/local/mysql/data/localhost.err"}, - {Scope: ScopeGlobal, Name: "binlog_stmt_cache_size", Value: "32768"}, - {Scope: ScopeNone, Name: "relay_log_info_file", Value: "relay-log.info"}, - {Scope: ScopeNone, Name: "innodb_ft_total_cache_size", Value: "640000000"}, - {Scope: ScopeNone, Name: "performance_schema_max_rwlock_instances", Value: "9102"}, - {Scope: ScopeGlobal, Name: "table_open_cache", Value: "2000"}, - {Scope: ScopeNone, Name: "performance_schema_events_stages_history_long_size", Value: "10000"}, + {Scope: ScopeNone, Name: Version, Value: mysql.ServerVersion}, {Scope: ScopeGlobal | ScopeSession, Name: AutoCommit, Value: BoolOn, Type: TypeBool}, - {Scope: ScopeSession, Name: "insert_id", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: "default_tmp_storage_engine", Value: "InnoDB", IsHintUpdatable: true}, - {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_search_depth", Value: "62", IsHintUpdatable: true}, - {Scope: ScopeGlobal | ScopeSession, Name: "max_points_in_geometry", Value: "65536", IsHintUpdatable: true}, - {Scope: ScopeGlobal, Name: "innodb_stats_sample_pages", Value: "8"}, - {Scope: ScopeGlobal | ScopeSession, Name: "profiling_history_size", Value: "15"}, - {Scope: ScopeGlobal | ScopeSession, Name: "character_set_database", Value: mysql.DefaultCharset, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { - return checkCharacterValid(normalizedValue, "character_set_database") + {Scope: ScopeGlobal | ScopeSession, Name: CharsetDatabase, Value: mysql.DefaultCharset, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + return checkCharacterValid(normalizedValue, CharsetDatabase) }}, - {Scope: ScopeNone, Name: "have_symlink", Value: "YES"}, - {Scope: ScopeGlobal | ScopeSession, Name: "storage_engine", Value: "InnoDB"}, - {Scope: ScopeGlobal | ScopeSession, Name: "sql_log_off", Value: "0"}, - // In MySQL, the default value of `explicit_defaults_for_timestamp` is `0`. - // But In TiDB, it's set to `1` to be consistent with TiDB timestamp behavior. - // See: https://github.com/pingcap/tidb/pull/6068 for details - {Scope: ScopeNone, Name: "explicit_defaults_for_timestamp", Value: BoolOn, Type: TypeBool}, - {Scope: ScopeNone, Name: "performance_schema_events_waits_history_size", Value: "10"}, - {Scope: ScopeGlobal, Name: "log_syslog_tag", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: TxReadOnly, Value: "0"}, {Scope: ScopeGlobal | ScopeSession, Name: TransactionReadOnly, Value: "0"}, - {Scope: ScopeGlobal, Name: "innodb_undo_log_truncate", Value: ""}, - {Scope: ScopeSession, Name: "innodb_create_intrinsic", Value: ""}, - {Scope: ScopeGlobal, Name: "gtid_executed_compression_period", Value: ""}, - {Scope: ScopeGlobal, Name: "ndb_log_empty_epochs", Value: ""}, {Scope: ScopeGlobal, Name: MaxPreparedStmtCount, Value: strconv.FormatInt(DefMaxPreparedStmtCount, 10), Type: TypeInt, MinValue: -1, MaxValue: 1048576, AutoConvertOutOfRange: true}, - {Scope: ScopeNone, Name: "have_geometry", Value: "YES"}, - {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_trace_max_mem_size", Value: "16384"}, - {Scope: ScopeGlobal | ScopeSession, Name: "net_retry_count", Value: "10"}, - {Scope: ScopeSession, Name: "ndb_table_no_logging", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_trace_features", Value: "greedy_search=on,range_optimizer=on,dynamic_range=on,repeated_subselect=on"}, - {Scope: ScopeGlobal, Name: "innodb_flush_log_at_trx_commit", Value: "1"}, - {Scope: ScopeGlobal, Name: "rewriter_enabled", Value: ""}, - {Scope: ScopeGlobal, Name: "query_cache_min_res_unit", Value: "4096"}, - {Scope: ScopeGlobal | ScopeSession, Name: "updatable_views_with_limit", Value: "YES", IsHintUpdatable: true}, - {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_prune_level", Value: "1", IsHintUpdatable: true}, - {Scope: ScopeGlobal | ScopeSession, Name: "completion_type", Value: "NO_CHAIN"}, - {Scope: ScopeGlobal, Name: "binlog_checksum", Value: "CRC32"}, - {Scope: ScopeNone, Name: "report_port", Value: "3306"}, - {Scope: ScopeGlobal | ScopeSession, Name: ShowOldTemporals, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal, Name: "query_cache_limit", Value: "1048576"}, - {Scope: ScopeGlobal, Name: "innodb_buffer_pool_size", Value: "134217728"}, - {Scope: ScopeGlobal, Name: InnodbAdaptiveFlushing, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeNone, Name: "datadir", Value: "/usr/local/mysql/data/"}, + {Scope: ScopeNone, Name: DataDir, Value: "/usr/local/mysql/data/"}, {Scope: ScopeGlobal | ScopeSession, Name: WaitTimeout, Value: strconv.FormatInt(DefWaitTimeout, 10), Type: TypeUnsigned, MinValue: 0, MaxValue: 31536000, AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal, Name: "innodb_monitor_enable", Value: ""}, - {Scope: ScopeNone, Name: "date_format", Value: "%Y-%m-%d"}, - {Scope: ScopeGlobal, Name: "innodb_buffer_pool_filename", Value: "ib_buffer_pool"}, - {Scope: ScopeGlobal, Name: "slow_launch_time", Value: "2"}, - {Scope: ScopeGlobal | ScopeSession, Name: "ndb_use_transactions", Value: ""}, - {Scope: ScopeNone, Name: "innodb_purge_threads", Value: "1"}, - {Scope: ScopeGlobal, Name: "innodb_concurrency_tickets", Value: "5000"}, - {Scope: ScopeGlobal, Name: "innodb_monitor_reset_all", Value: ""}, - {Scope: ScopeNone, Name: "performance_schema_users_size", Value: "100"}, - {Scope: ScopeGlobal, Name: "ndb_log_updated_only", Value: ""}, - {Scope: ScopeNone, Name: "basedir", Value: "/usr/local/mysql"}, - {Scope: ScopeGlobal, Name: "innodb_old_blocks_time", Value: "1000"}, - {Scope: ScopeGlobal, Name: "innodb_stats_method", Value: "nulls_equal"}, {Scope: ScopeGlobal | ScopeSession, Name: InnodbLockWaitTimeout, Value: strconv.FormatInt(DefInnodbLockWaitTimeout, 10), Type: TypeUnsigned, MinValue: 1, MaxValue: 1073741824, AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal, Name: LocalInFile, Value: BoolOn, Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: "myisam_stats_method", Value: "nulls_unequal"}, - {Scope: ScopeNone, Name: "version_compile_os", Value: "osx10.8"}, - {Scope: ScopeNone, Name: "relay_log_recovery", Value: "0"}, - {Scope: ScopeNone, Name: "old", Value: "0"}, - {Scope: ScopeGlobal | ScopeSession, Name: InnodbTableLocks, Value: BoolOn, Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeNone, Name: PerformanceSchema, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeNone, Name: "myisam_recover_options", Value: BoolOff}, - {Scope: ScopeGlobal | ScopeSession, Name: NetBufferLength, Value: "16384"}, - {Scope: ScopeGlobal | ScopeSession, Name: "binlog_row_image", Value: "FULL"}, - {Scope: ScopeNone, Name: "innodb_locks_unsafe_for_binlog", Value: "0"}, - {Scope: ScopeSession, Name: "rbr_exec_mode", Value: ""}, - {Scope: ScopeGlobal, Name: "myisam_max_sort_file_size", Value: "9223372036853727232"}, - {Scope: ScopeNone, Name: "back_log", Value: "80"}, - {Scope: ScopeNone, Name: "lower_case_file_system", Value: "1"}, {Scope: ScopeGlobal | ScopeSession, Name: GroupConcatMaxLen, Value: "1024", AutoConvertOutOfRange: true, IsHintUpdatable: true, Type: TypeUnsigned, MinValue: 4, MaxValue: math.MaxUint64, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { // https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_group_concat_max_len // Minimum Value 4 @@ -916,58 +516,16 @@ var defaultSysVars = []*SysVar{ } return normalizedValue, nil }}, - {Scope: ScopeSession, Name: "pseudo_thread_id", Value: ""}, - {Scope: ScopeNone, Name: "socket", Value: "/tmp/myssock"}, - {Scope: ScopeNone, Name: "have_dynamic_loading", Value: "YES"}, - {Scope: ScopeGlobal, Name: "rewriter_verbose", Value: ""}, - {Scope: ScopeGlobal, Name: "innodb_undo_logs", Value: "128"}, - {Scope: ScopeNone, Name: "performance_schema_max_cond_instances", Value: "3504"}, - {Scope: ScopeGlobal, Name: "delayed_insert_limit", Value: "100"}, - {Scope: ScopeGlobal, Name: Flush, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: "eq_range_index_dive_limit", Value: "200", IsHintUpdatable: true}, - {Scope: ScopeNone, Name: "performance_schema_events_stages_history_size", Value: "10"}, - {Scope: ScopeGlobal | ScopeSession, Name: "character_set_connection", Value: mysql.DefaultCharset, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { - return checkCharacterValid(normalizedValue, "character_set_connection") + {Scope: ScopeNone, Name: Socket, Value: "/tmp/myssock"}, + {Scope: ScopeGlobal | ScopeSession, Name: CharacterSetConnection, Value: mysql.DefaultCharset, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { + return checkCharacterValid(normalizedValue, CharacterSetConnection) }}, - {Scope: ScopeGlobal, Name: MyISAMUseMmap, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeGlobal | ScopeSession, Name: "ndb_join_pushdown", Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: CharacterSetServer, Value: mysql.DefaultCharset, Validation: func(vars *SessionVars, normalizedValue string, originalValue string, scope ScopeFlag) (string, error) { return checkCharacterValid(normalizedValue, CharacterSetServer) }}, - {Scope: ScopeGlobal, Name: "validate_password_special_char_count", Value: "1"}, - {Scope: ScopeNone, Name: "performance_schema_max_thread_instances", Value: "402"}, - {Scope: ScopeGlobal | ScopeSession, Name: "ndbinfo_show_hidden", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: "net_read_timeout", Value: "30"}, - {Scope: ScopeNone, Name: "innodb_page_size", Value: "16384"}, {Scope: ScopeGlobal | ScopeSession, Name: MaxAllowedPacket, Value: "67108864", Type: TypeUnsigned, MinValue: 1024, MaxValue: MaxOfMaxAllowedPacket, AutoConvertOutOfRange: true}, - {Scope: ScopeNone, Name: "innodb_log_file_size", Value: "50331648"}, - {Scope: ScopeGlobal, Name: "sync_relay_log_info", Value: "10000"}, - {Scope: ScopeGlobal | ScopeSession, Name: "optimizer_trace_limit", Value: "1"}, - {Scope: ScopeNone, Name: "innodb_ft_max_token_size", Value: "84"}, - {Scope: ScopeGlobal, Name: ValidatePasswordLength, Value: "8", Type: TypeUnsigned, MinValue: 0, MaxValue: math.MaxUint64, AutoConvertOutOfRange: true}, - {Scope: ScopeGlobal, Name: "ndb_log_binlog_index", Value: ""}, - {Scope: ScopeGlobal, Name: "innodb_api_bk_commit_interval", Value: "5"}, - {Scope: ScopeNone, Name: "innodb_undo_directory", Value: "."}, - {Scope: ScopeNone, Name: "bind_address", Value: "*"}, - {Scope: ScopeGlobal, Name: "innodb_sync_spin_loops", Value: "30"}, - {Scope: ScopeGlobal | ScopeSession, Name: SQLSafeUpdates, Value: BoolOff, Type: TypeBool, IsHintUpdatable: true}, - {Scope: ScopeNone, Name: "tmpdir", Value: "/var/tmp/"}, - {Scope: ScopeGlobal, Name: "innodb_thread_concurrency", Value: "0"}, - {Scope: ScopeGlobal, Name: "innodb_buffer_pool_dump_pct", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: "lc_time_names", Value: "en_US"}, - {Scope: ScopeGlobal | ScopeSession, Name: "max_statement_time", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: EndMarkersInJSON, Value: BoolOff, Type: TypeBool, IsHintUpdatable: true}, - {Scope: ScopeGlobal, Name: AvoidTemporalUpgrade, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal, Name: "key_cache_age_threshold", Value: "300"}, - {Scope: ScopeGlobal, Name: InnodbStatusOutput, Value: BoolOff, Type: TypeBool, AutoConvertNegativeBool: true}, - {Scope: ScopeSession, Name: "identity", Value: ""}, - {Scope: ScopeGlobal | ScopeSession, Name: "min_examined_row_limit", Value: "0"}, - {Scope: ScopeGlobal, Name: "sync_frm", Type: TypeBool, Value: BoolOn}, - {Scope: ScopeGlobal, Name: "innodb_online_alter_log_max_size", Value: "134217728"}, {Scope: ScopeSession, Name: WarningCount, Value: "0", ReadOnly: true}, {Scope: ScopeSession, Name: ErrorCount, Value: "0", ReadOnly: true}, - {Scope: ScopeGlobal | ScopeSession, Name: "information_schema_stats_expiry", Value: "86400"}, - {Scope: ScopeGlobal, Name: ThreadPoolSize, Value: "16", Type: TypeUnsigned, MinValue: 1, MaxValue: 64, AutoConvertOutOfRange: true}, {Scope: ScopeGlobal | ScopeSession, Name: WindowingUseHighPrecision, Value: BoolOn, Type: TypeBool, IsHintUpdatable: true}, {Scope: ScopeSession, Name: TiDBTxnScope, Value: config.GetGlobalConfig().TxnScope}, /* TiDB specific variables */ @@ -1027,7 +585,6 @@ var defaultSysVars = []*SysVar{ return normalizedValue, nil }}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBInitChunkSize, Value: strconv.Itoa(DefInitChunkSize), Type: TypeUnsigned, MinValue: 1, MaxValue: initChunkSizeUpperBound}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableCascadesPlanner, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableIndexMerge, Value: BoolOff, Type: TypeBool}, {Scope: ScopeSession, Name: TIDBMemQuotaQuery, Value: strconv.FormatInt(config.GetGlobalConfig().MemQuotaQuery, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, @@ -1039,7 +596,6 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: TIDBMemQuotaIndexLookupJoin, Value: strconv.FormatInt(DefTiDBMemQuotaIndexLookupJoin, 10), Type: TypeInt, MinValue: -1, MaxValue: math.MaxInt64}, {Scope: ScopeSession, Name: TiDBEnableStreaming, Value: BoolOff, Type: TypeBool}, {Scope: ScopeSession, Name: TiDBEnableChunkRPC, Value: BoolOn, Type: TypeBool}, - {Scope: ScopeSession, Name: TxnIsolationOneShot, Value: ""}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableTablePartition, Value: BoolOn, Type: TypeEnum, PossibleValues: []string{BoolOff, BoolOn, "AUTO", Nightly}}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBHashJoinConcurrency, Value: strconv.Itoa(DefTiDBHashJoinConcurrency), Type: TypeInt, MinValue: 1, MaxValue: math.MaxInt64, AllowAutoValue: true}, @@ -1064,7 +620,6 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableVectorizedExpression, Value: BoolToOnOff(DefEnableVectorizedExpression), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableFastAnalyze, Value: BoolToOnOff(DefTiDBUseFastAnalyze), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBSkipIsolationLevelCheck, Value: BoolToOnOff(DefTiDBSkipIsolationLevelCheck), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableRateLimitAction, Value: BoolToOnOff(DefTiDBEnableRateLimitAction), Type: TypeBool}, /* The following variable is defined as session scope but is actually server scope. */ {Scope: ScopeSession, Name: TiDBGeneralLog, Value: BoolToOnOff(DefTiDBGeneralLog), Type: TypeBool}, @@ -1151,43 +706,6 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBShardAllocateStep, Value: strconv.Itoa(DefTiDBShardAllocateStep), Type: TypeInt, MinValue: 1, MaxValue: uint64(math.MaxInt64), AutoConvertOutOfRange: true}, {Scope: ScopeGlobal, Name: TiDBEnableTelemetry, Value: BoolToOnOff(DefTiDBEnableTelemetry), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableAmendPessimisticTxn, Value: BoolToOnOff(DefTiDBEnableAmendPessimisticTxn), Type: TypeBool}, - - // for compatibility purpose, we should leave them alone. - // TODO: Follow the Terminology Updates of MySQL after their changes arrived. - // https://mysqlhighavailability.com/mysql-terminology-updates/ - {Scope: ScopeSession, Name: PseudoSlaveMode, Value: "", Type: TypeInt}, - {Scope: ScopeGlobal, Name: "slave_pending_jobs_size_max", Value: "16777216"}, - {Scope: ScopeGlobal, Name: "slave_transaction_retries", Value: "10"}, - {Scope: ScopeGlobal, Name: "slave_checkpoint_period", Value: "300"}, - {Scope: ScopeGlobal, Name: MasterVerifyChecksum, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_trace_level", Value: ""}, - {Scope: ScopeGlobal, Name: "master_info_repository", Value: "FILE"}, - {Scope: ScopeGlobal, Name: "rpl_stop_slave_timeout", Value: "31536000"}, - {Scope: ScopeGlobal, Name: "slave_net_timeout", Value: "3600"}, - {Scope: ScopeGlobal, Name: "sync_master_info", Value: "10000"}, - {Scope: ScopeGlobal, Name: "init_slave", Value: ""}, - {Scope: ScopeGlobal, Name: SlaveCompressedProtocol, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal, Name: "rpl_semi_sync_slave_trace_level", Value: ""}, - {Scope: ScopeGlobal, Name: LogSlowSlaveStatements, Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal, Name: "slave_checkpoint_group", Value: "512"}, - {Scope: ScopeNone, Name: "slave_load_tmpdir", Value: "/var/tmp/"}, - {Scope: ScopeGlobal, Name: "slave_parallel_type", Value: ""}, - {Scope: ScopeGlobal, Name: "slave_parallel_workers", Value: "0"}, - {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_timeout", Value: "10000", Type: TypeInt}, - {Scope: ScopeNone, Name: "slave_skip_errors", Value: BoolOff}, - {Scope: ScopeGlobal, Name: "sql_slave_skip_counter", Value: "0"}, - {Scope: ScopeGlobal, Name: "rpl_semi_sync_slave_enabled", Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_enabled", Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal, Name: "slave_preserve_commit_order", Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal, Name: "slave_exec_mode", Value: "STRICT"}, - {Scope: ScopeNone, Name: "log_slave_updates", Value: BoolOff, Type: TypeBool}, - {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_wait_point", Value: "AFTER_SYNC", Type: TypeEnum, PossibleValues: []string{"AFTER_SYNC", "AFTER_COMMIT"}}, - {Scope: ScopeGlobal, Name: "slave_sql_verify_checksum", Value: BoolOn, Type: TypeBool}, - {Scope: ScopeGlobal, Name: "slave_max_allowed_packet", Value: "1073741824"}, - {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_wait_for_slave_count", Value: "1", Type: TypeInt, MinValue: 1, MaxValue: 65535}, - {Scope: ScopeGlobal, Name: "rpl_semi_sync_master_wait_no_slave", Value: BoolOn, Type: TypeBool}, - {Scope: ScopeGlobal, Name: "slave_rows_search_algorithms", Value: "TABLE_SCAN,INDEX_SCAN"}, - {Scope: ScopeGlobal, Name: SlaveAllowBatching, Value: BoolOff, Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableAsyncCommit, Value: BoolToOnOff(DefTiDBEnableAsyncCommit), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnable1PC, Value: BoolToOnOff(DefTiDBEnable1PC), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBGuaranteeExternalConsistency, Value: BoolToOnOff(DefTiDBGuaranteeExternalConsistency), Type: TypeBool}, @@ -1258,6 +776,8 @@ const ( DelayKeyWrite = "delay_key_write" // EndMarkersInJSON is the name for 'end_markers_in_json' system variable. EndMarkersInJSON = "end_markers_in_json" + // Hostname is the name for 'hostname' system variable. + Hostname = "hostname" // InnodbCommitConcurrency is the name for 'innodb_commit_concurrency' system variable. InnodbCommitConcurrency = "innodb_commit_concurrency" // InnodbFastShutdown is the name for 'innodb_fast_shutdown' system variable. @@ -1284,6 +804,8 @@ const ( PseudoSlaveMode = "pseudo_slave_mode" // LowPriorityUpdates is the name for 'low_priority_updates' system variable. LowPriorityUpdates = "low_priority_updates" + // LowerCaseTableNames is the name for 'lower_case_table_names' system variable. + LowerCaseTableNames = "lower_case_table_names" // SessionTrackGtids is the name for 'session_track_gtids' system variable. SessionTrackGtids = "session_track_gtids" // OldPasswords is the name for 'old_passwords' system variable. @@ -1308,6 +830,8 @@ const ( TableDefinitionCache = "table_definition_cache" // TmpTableSize is the name for 'tmp_table_size' system variable. TmpTableSize = "tmp_table_size" + // Timestamp is the name for 'timestamp' system variable. + Timestamp = "timestamp" // ConnectTimeout is the name for 'connect_timeout' system variable. ConnectTimeout = "connect_timeout" // SyncBinlog is the name for 'sync_binlog' system variable. @@ -1320,6 +844,10 @@ const ( ValidatePasswordNumberCount = "validate_password_number_count" // ValidatePasswordLength is the name of 'validate_password_length' system variable. ValidatePasswordLength = "validate_password_length" + // Version is the name of 'version' system variable. + Version = "version" + // VersionComment is the name of 'version_comment' system variable. + VersionComment = "version_comment" // PluginDir is the name of 'plugin_dir' system variable. PluginDir = "plugin_dir" // PluginLoad is the name of 'plugin_load' system variable. @@ -1442,7 +970,6 @@ const ( InnodbTableLocks = "innodb_table_locks" // InnodbStatusOutput is the name for 'innodb_status_output' system variable. InnodbStatusOutput = "innodb_status_output" - // NetBufferLength is the name for 'net_buffer_length' system variable. NetBufferLength = "net_buffer_length" // QueryCacheSize is the name of 'query_cache_size' system variable. @@ -1469,6 +996,8 @@ const ( WindowingUseHighPrecision = "windowing_use_high_precision" // OptimizerSwitch is the name of 'optimizer_switch' system variable. OptimizerSwitch = "optimizer_switch" + // SystemTimeZone is the name of 'system_time_zone' system variable. + SystemTimeZone = "system_time_zone" ) // GlobalVarAccessor is the interface for accessing global scope system and status variables. From e541a7342893d620623b60fe2071686e93aff802 Mon Sep 17 00:00:00 2001 From: YangKeao Date: Tue, 5 Jan 2021 12:01:45 +0800 Subject: [PATCH 0613/1021] docs: fix typo in proposal template (#22161) --- docs/design/TEMPLATE.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/design/TEMPLATE.md b/docs/design/TEMPLATE.md index df3656bced0a6..a974dfada4887 100644 --- a/docs/design/TEMPLATE.md +++ b/docs/design/TEMPLATE.md @@ -48,7 +48,7 @@ A discussion of alternate approaches and the trade-offs, advantages, and disadva - What is the impact of not doing this? --> -## Compatibility and Mirgration Plan +## Compatibility and Migration Plan s2) // In normal scan order, all data before s1 is consumed, so the remain ranges should be [s1 --> r2) [r3 --> r4) // In reverse scan order, all data after s2 is consumed, so the remain ranges should be [r1 --> r2) [r3 --> s2) -func (worker *copIteratorWorker) calculateRemain(ranges *copRanges, split *coprocessor.KeyRange, desc bool) *copRanges { +func (worker *copIteratorWorker) calculateRemain(ranges *KeyRanges, split *coprocessor.KeyRange, desc bool) *KeyRanges { if desc { - left, _ := ranges.split(split.End) + left, _ := ranges.Split(split.End) return left } - _, right := ranges.split(split.Start) + _, right := ranges.Split(split.Start) return right } diff --git a/store/tikv/coprocessor_test.go b/store/tikv/coprocessor_test.go index 49fd9c9b434df..902de9da0c6a6 100644 --- a/store/tikv/coprocessor_test.go +++ b/store/tikv/coprocessor_test.go @@ -242,15 +242,14 @@ func buildKeyRanges(keys ...string) []kv.KeyRange { return ranges } -func buildCopRanges(keys ...string) *copRanges { - ranges := buildKeyRanges(keys...) - return &copRanges{mid: ranges} +func buildCopRanges(keys ...string) *KeyRanges { + return NewKeyRanges(buildKeyRanges(keys...)) } func (s *testCoprocessorSuite) taskEqual(c *C, task *copTask, regionID uint64, keys ...string) { c.Assert(task.region.id, Equals, regionID) - for i := 0; i < task.ranges.len(); i++ { - r := task.ranges.at(i) + for i := 0; i < task.ranges.Len(); i++ { + r := task.ranges.At(i) c.Assert(string(r.StartKey), Equals, keys[2*i]) c.Assert(string(r.EndKey), Equals, keys[2*i+1]) } @@ -264,93 +263,20 @@ func (s *testCoprocessorSuite) rangeEqual(c *C, ranges []kv.KeyRange, keys ...st } } -func (s *testCoprocessorSuite) TestCopRanges(c *C) { - ranges := []kv.KeyRange{ - {StartKey: []byte("a"), EndKey: []byte("b")}, - {StartKey: []byte("c"), EndKey: []byte("d")}, - {StartKey: []byte("e"), EndKey: []byte("f")}, - } - - s.checkEqual(c, &copRanges{mid: ranges}, ranges, true) - s.checkEqual(c, &copRanges{first: &ranges[0], mid: ranges[1:]}, ranges, true) - s.checkEqual(c, &copRanges{mid: ranges[:2], last: &ranges[2]}, ranges, true) - s.checkEqual(c, &copRanges{first: &ranges[0], mid: ranges[1:2], last: &ranges[2]}, ranges, true) -} - -func (s *testCoprocessorSuite) checkEqual(c *C, copRanges *copRanges, ranges []kv.KeyRange, slice bool) { - c.Assert(copRanges.len(), Equals, len(ranges)) +func (s *testCoprocessorSuite) checkEqual(c *C, copRanges *KeyRanges, ranges []kv.KeyRange, slice bool) { + c.Assert(copRanges.Len(), Equals, len(ranges)) for i := range ranges { - c.Assert(copRanges.at(i), DeepEquals, ranges[i]) + c.Assert(copRanges.At(i), DeepEquals, ranges[i]) } if slice { - for i := 0; i <= copRanges.len(); i++ { - for j := i; j <= copRanges.len(); j++ { - s.checkEqual(c, copRanges.slice(i, j), ranges[i:j], false) + for i := 0; i <= copRanges.Len(); i++ { + for j := i; j <= copRanges.Len(); j++ { + s.checkEqual(c, copRanges.Slice(i, j), ranges[i:j], false) } } } } -func (s *testCoprocessorSuite) TestCopRangeSplit(c *C) { - first := &kv.KeyRange{StartKey: []byte("a"), EndKey: []byte("b")} - mid := []kv.KeyRange{ - {StartKey: []byte("c"), EndKey: []byte("d")}, - {StartKey: []byte("e"), EndKey: []byte("g")}, - {StartKey: []byte("l"), EndKey: []byte("o")}, - } - last := &kv.KeyRange{StartKey: []byte("q"), EndKey: []byte("t")} - left := true - right := false - - // input range: [c-d) [e-g) [l-o) - ranges := &copRanges{mid: mid} - s.testSplit(c, ranges, right, - splitCase{"c", buildCopRanges("c", "d", "e", "g", "l", "o")}, - splitCase{"d", buildCopRanges("e", "g", "l", "o")}, - splitCase{"f", buildCopRanges("f", "g", "l", "o")}, - ) - - // input range: [a-b) [c-d) [e-g) [l-o) - ranges = &copRanges{first: first, mid: mid} - s.testSplit(c, ranges, right, - splitCase{"a", buildCopRanges("a", "b", "c", "d", "e", "g", "l", "o")}, - splitCase{"c", buildCopRanges("c", "d", "e", "g", "l", "o")}, - splitCase{"m", buildCopRanges("m", "o")}, - ) - - // input range: [a-b) [c-d) [e-g) [l-o) [q-t) - ranges = &copRanges{first: first, mid: mid, last: last} - s.testSplit(c, ranges, right, - splitCase{"f", buildCopRanges("f", "g", "l", "o", "q", "t")}, - splitCase{"h", buildCopRanges("l", "o", "q", "t")}, - splitCase{"r", buildCopRanges("r", "t")}, - ) - - // input range: [c-d) [e-g) [l-o) - ranges = &copRanges{mid: mid} - s.testSplit(c, ranges, left, - splitCase{"m", buildCopRanges("c", "d", "e", "g", "l", "m")}, - splitCase{"g", buildCopRanges("c", "d", "e", "g")}, - splitCase{"g", buildCopRanges("c", "d", "e", "g")}, - ) - - // input range: [a-b) [c-d) [e-g) [l-o) - ranges = &copRanges{first: first, mid: mid} - s.testSplit(c, ranges, left, - splitCase{"d", buildCopRanges("a", "b", "c", "d")}, - splitCase{"d", buildCopRanges("a", "b", "c", "d")}, - splitCase{"o", buildCopRanges("a", "b", "c", "d", "e", "g", "l", "o")}, - ) - - // input range: [a-b) [c-d) [e-g) [l-o) [q-t) - ranges = &copRanges{first: first, mid: mid, last: last} - s.testSplit(c, ranges, left, - splitCase{"o", buildCopRanges("a", "b", "c", "d", "e", "g", "l", "o")}, - splitCase{"p", buildCopRanges("a", "b", "c", "d", "e", "g", "l", "o")}, - splitCase{"t", buildCopRanges("a", "b", "c", "d", "e", "g", "l", "o", "q", "t")}, - ) -} - func (s *testCoprocessorSuite) TestRateLimit(c *C) { done := make(chan struct{}, 1) rl := newRateLimit(1) @@ -376,20 +302,3 @@ func (s *testCoprocessorSuite) TestRateLimit(c *C) { rl.putToken() <-sig } - -type splitCase struct { - key string - *copRanges -} - -func (s *testCoprocessorSuite) testSplit(c *C, ranges *copRanges, checkLeft bool, cases ...splitCase) { - for _, t := range cases { - left, right := ranges.split([]byte(t.key)) - expect := t.copRanges - if checkLeft { - s.checkEqual(c, left, expect.mid, false) - } else { - s.checkEqual(c, right, expect.mid, false) - } - } -} diff --git a/store/tikv/key_ranges.go b/store/tikv/key_ranges.go new file mode 100644 index 0000000000000..fd52496634240 --- /dev/null +++ b/store/tikv/key_ranges.go @@ -0,0 +1,210 @@ +// Copyright 2021 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package tikv + +import ( + "bytes" + "fmt" + "sort" + + "github.com/pingcap/errors" + "github.com/pingcap/kvproto/pkg/coprocessor" + "github.com/pingcap/tidb/kv" +) + +// KeyRanges is like []kv.KeyRange, but may has extra elements at head/tail. +// It's for avoiding alloc big slice during build copTask. +type KeyRanges struct { + first *kv.KeyRange + mid []kv.KeyRange + last *kv.KeyRange +} + +// NewKeyRanges constructs a KeyRanges instance. +func NewKeyRanges(ranges []kv.KeyRange) *KeyRanges { + return &KeyRanges{mid: ranges} +} + +func (r *KeyRanges) String() string { + var s string + r.Do(func(ran *kv.KeyRange) { + s += fmt.Sprintf("[%q, %q]", ran.StartKey, ran.EndKey) + }) + return s +} + +// Len returns the count of ranges. +func (r *KeyRanges) Len() int { + var l int + if r.first != nil { + l++ + } + l += len(r.mid) + if r.last != nil { + l++ + } + return l +} + +// At returns the range at the ith position. +func (r *KeyRanges) At(i int) kv.KeyRange { + if r.first != nil { + if i == 0 { + return *r.first + } + i-- + } + if i < len(r.mid) { + return r.mid[i] + } + return *r.last +} + +// Slice returns the sub ranges [from, to). +func (r *KeyRanges) Slice(from, to int) *KeyRanges { + var ran KeyRanges + if r.first != nil { + if from == 0 && to > 0 { + ran.first = r.first + } + if from > 0 { + from-- + } + if to > 0 { + to-- + } + } + if to <= len(r.mid) { + ran.mid = r.mid[from:to] + } else { + if from <= len(r.mid) { + ran.mid = r.mid[from:] + } + if from < to { + ran.last = r.last + } + } + return &ran +} + +// Do applies a functions to all ranges. +func (r *KeyRanges) Do(f func(ran *kv.KeyRange)) { + if r.first != nil { + f(r.first) + } + for _, ran := range r.mid { + f(&ran) + } + if r.last != nil { + f(r.last) + } +} + +// Split ranges into (left, right) by key. +func (r *KeyRanges) Split(key []byte) (*KeyRanges, *KeyRanges) { + n := sort.Search(r.Len(), func(i int) bool { + cur := r.At(i) + return len(cur.EndKey) == 0 || bytes.Compare(cur.EndKey, key) > 0 + }) + // If a range p contains the key, it will split to 2 parts. + if n < r.Len() { + p := r.At(n) + if bytes.Compare(key, p.StartKey) > 0 { + left := r.Slice(0, n) + left.last = &kv.KeyRange{StartKey: p.StartKey, EndKey: key} + right := r.Slice(n+1, r.Len()) + right.first = &kv.KeyRange{StartKey: key, EndKey: p.EndKey} + return left, right + } + } + return r.Slice(0, n), r.Slice(n, r.Len()) +} + +// ToPBRanges converts ranges to wire type. +func (r *KeyRanges) ToPBRanges() []*coprocessor.KeyRange { + ranges := make([]*coprocessor.KeyRange, 0, r.Len()) + r.Do(func(ran *kv.KeyRange) { + ranges = append(ranges, &coprocessor.KeyRange{ + Start: ran.StartKey, + End: ran.EndKey, + }) + }) + return ranges +} + +// SplitRegionRanges get the split ranges from pd region. +func SplitRegionRanges(bo *Backoffer, cache *RegionCache, keyRanges []kv.KeyRange) ([]kv.KeyRange, error) { + ranges := NewKeyRanges(keyRanges) + + var ret []kv.KeyRange + appendRange := func(regionWithRangeInfo *KeyLocation, ranges *KeyRanges) { + for i := 0; i < ranges.Len(); i++ { + ret = append(ret, ranges.At(i)) + } + } + + err := SplitKeyRanges(bo, cache, ranges, appendRange) + if err != nil { + return nil, errors.Trace(err) + } + return ret, nil +} + +// SplitKeyRanges splits KeyRanges by the regions info from cache. +func SplitKeyRanges(bo *Backoffer, cache *RegionCache, ranges *KeyRanges, fn func(regionWithRangeInfo *KeyLocation, ranges *KeyRanges)) error { + for ranges.Len() > 0 { + loc, err := cache.LocateKey(bo, ranges.At(0).StartKey) + if err != nil { + return errors.Trace(err) + } + + // Iterate to the first range that is not complete in the region. + var i int + for ; i < ranges.Len(); i++ { + r := ranges.At(i) + if !(loc.Contains(r.EndKey) || bytes.Equal(loc.EndKey, r.EndKey)) { + break + } + } + // All rest ranges belong to the same region. + if i == ranges.Len() { + fn(loc, ranges) + break + } + + r := ranges.At(i) + if loc.Contains(r.StartKey) { + // Part of r is not in the region. We need to split it. + taskRanges := ranges.Slice(0, i) + taskRanges.last = &kv.KeyRange{ + StartKey: r.StartKey, + EndKey: loc.EndKey, + } + fn(loc, taskRanges) + + ranges = ranges.Slice(i+1, ranges.Len()) + ranges.first = &kv.KeyRange{ + StartKey: loc.EndKey, + EndKey: r.EndKey, + } + } else { + // rs[i] is not in the region. + taskRanges := ranges.Slice(0, i) + fn(loc, taskRanges) + ranges = ranges.Slice(i, ranges.Len()) + } + } + + return nil +} diff --git a/store/tikv/key_ranges_test.go b/store/tikv/key_ranges_test.go new file mode 100644 index 0000000000000..c3243f4324f36 --- /dev/null +++ b/store/tikv/key_ranges_test.go @@ -0,0 +1,128 @@ +// Copyright 2021 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package tikv + +import ( + . "github.com/pingcap/check" + "github.com/pingcap/tidb/kv" +) + +type testKeyRangesSuite struct { +} + +var _ = Suite(&testKeyRangesSuite{}) + +func (s *testKeyRangesSuite) TestCopRanges(c *C) { + ranges := []kv.KeyRange{ + {StartKey: []byte("a"), EndKey: []byte("b")}, + {StartKey: []byte("c"), EndKey: []byte("d")}, + {StartKey: []byte("e"), EndKey: []byte("f")}, + } + + s.checkEqual(c, &KeyRanges{mid: ranges}, ranges, true) + s.checkEqual(c, &KeyRanges{first: &ranges[0], mid: ranges[1:]}, ranges, true) + s.checkEqual(c, &KeyRanges{mid: ranges[:2], last: &ranges[2]}, ranges, true) + s.checkEqual(c, &KeyRanges{first: &ranges[0], mid: ranges[1:2], last: &ranges[2]}, ranges, true) +} + +func (s *testKeyRangesSuite) TestCopRangeSplit(c *C) { + first := &kv.KeyRange{StartKey: []byte("a"), EndKey: []byte("b")} + mid := []kv.KeyRange{ + {StartKey: []byte("c"), EndKey: []byte("d")}, + {StartKey: []byte("e"), EndKey: []byte("g")}, + {StartKey: []byte("l"), EndKey: []byte("o")}, + } + last := &kv.KeyRange{StartKey: []byte("q"), EndKey: []byte("t")} + left := true + right := false + + // input range: [c-d) [e-g) [l-o) + ranges := &KeyRanges{mid: mid} + s.testSplit(c, ranges, right, + splitCase{"c", buildCopRanges("c", "d", "e", "g", "l", "o")}, + splitCase{"d", buildCopRanges("e", "g", "l", "o")}, + splitCase{"f", buildCopRanges("f", "g", "l", "o")}, + ) + + // input range: [a-b) [c-d) [e-g) [l-o) + ranges = &KeyRanges{first: first, mid: mid} + s.testSplit(c, ranges, right, + splitCase{"a", buildCopRanges("a", "b", "c", "d", "e", "g", "l", "o")}, + splitCase{"c", buildCopRanges("c", "d", "e", "g", "l", "o")}, + splitCase{"m", buildCopRanges("m", "o")}, + ) + + // input range: [a-b) [c-d) [e-g) [l-o) [q-t) + ranges = &KeyRanges{first: first, mid: mid, last: last} + s.testSplit(c, ranges, right, + splitCase{"f", buildCopRanges("f", "g", "l", "o", "q", "t")}, + splitCase{"h", buildCopRanges("l", "o", "q", "t")}, + splitCase{"r", buildCopRanges("r", "t")}, + ) + + // input range: [c-d) [e-g) [l-o) + ranges = &KeyRanges{mid: mid} + s.testSplit(c, ranges, left, + splitCase{"m", buildCopRanges("c", "d", "e", "g", "l", "m")}, + splitCase{"g", buildCopRanges("c", "d", "e", "g")}, + splitCase{"g", buildCopRanges("c", "d", "e", "g")}, + ) + + // input range: [a-b) [c-d) [e-g) [l-o) + ranges = &KeyRanges{first: first, mid: mid} + s.testSplit(c, ranges, left, + splitCase{"d", buildCopRanges("a", "b", "c", "d")}, + splitCase{"d", buildCopRanges("a", "b", "c", "d")}, + splitCase{"o", buildCopRanges("a", "b", "c", "d", "e", "g", "l", "o")}, + ) + + // input range: [a-b) [c-d) [e-g) [l-o) [q-t) + ranges = &KeyRanges{first: first, mid: mid, last: last} + s.testSplit(c, ranges, left, + splitCase{"o", buildCopRanges("a", "b", "c", "d", "e", "g", "l", "o")}, + splitCase{"p", buildCopRanges("a", "b", "c", "d", "e", "g", "l", "o")}, + splitCase{"t", buildCopRanges("a", "b", "c", "d", "e", "g", "l", "o", "q", "t")}, + ) +} + +func (s *testKeyRangesSuite) checkEqual(c *C, copRanges *KeyRanges, ranges []kv.KeyRange, slice bool) { + c.Assert(copRanges.Len(), Equals, len(ranges)) + for i := range ranges { + c.Assert(copRanges.At(i), DeepEquals, ranges[i]) + } + if slice { + for i := 0; i <= copRanges.Len(); i++ { + for j := i; j <= copRanges.Len(); j++ { + s.checkEqual(c, copRanges.Slice(i, j), ranges[i:j], false) + } + } + } +} + +type splitCase struct { + key string + *KeyRanges +} + +func (s *testKeyRangesSuite) testSplit(c *C, ranges *KeyRanges, checkLeft bool, cases ...splitCase) { + for _, t := range cases { + left, right := ranges.Split([]byte(t.key)) + expect := t.KeyRanges + if checkLeft { + s.checkEqual(c, left, expect.mid, false) + } else { + s.checkEqual(c, right, expect.mid, false) + } + } +} diff --git a/store/tikv/mpp.go b/store/tikv/mpp.go index 3c5fd1479ec9d..73bfb64d1fc35 100644 --- a/store/tikv/mpp.go +++ b/store/tikv/mpp.go @@ -61,7 +61,7 @@ func (c *MPPClient) ConstructMPPTasks(ctx context.Context, req *kv.MPPBuildTasks if req.KeyRanges == nil { return c.selectAllTiFlashStore(), nil } - tasks, err := buildBatchCopTasks(bo, c.store.regionCache, &copRanges{mid: req.KeyRanges}, kv.TiFlash) + tasks, err := buildBatchCopTasks(bo, c.store.regionCache, NewKeyRanges(req.KeyRanges), kv.TiFlash) if err != nil { return nil, errors.Trace(err) } @@ -172,7 +172,7 @@ func (m *mppIterator) handleDispatchReq(ctx context.Context, bo *Backoffer, req ConfVer: task.task.region.confVer, Version: task.task.region.ver, }, - Ranges: task.task.ranges.toPBRanges(), + Ranges: task.task.ranges.ToPBRanges(), }) } From 4e471d7cb1b9bc7ce9355d033b76f02ade998153 Mon Sep 17 00:00:00 2001 From: xhe Date: Sat, 30 Jan 2021 07:24:44 +0800 Subject: [PATCH 0740/1021] *: move new api out of session package (#22591) Signed-off-by: xhe --- session/session.go | 10 +++++++--- session/session_test.go | 20 +++++++++++++++----- {session => util/sqlexec}/utils.go | 4 +--- {session => util/sqlexec}/utils_test.go | 9 +++++++-- 4 files changed, 30 insertions(+), 13 deletions(-) rename {session => util/sqlexec}/utils.go (98%) rename {session => util/sqlexec}/utils_test.go (98%) diff --git a/session/session.go b/session/session.go index 395147cf74cec..a7b90b7e9f8b2 100644 --- a/session/session.go +++ b/session/session.go @@ -1350,10 +1350,14 @@ func (s *session) Parse(ctx context.Context, sql string) ([]ast.StmtNode, error) } // ParseWithParams parses a query string, with arguments, to raw ast.StmtNode. +// Note that it will not do escaping if no variable arguments are passed. func (s *session) ParseWithParams(ctx context.Context, sql string, args ...interface{}) (ast.StmtNode, error) { - sql, err := EscapeSQL(sql, args...) - if err != nil { - return nil, err + var err error + if len(args) > 0 { + sql, err = sqlexec.EscapeSQL(sql, args...) + if err != nil { + return nil, err + } } internal := s.isInternal() diff --git a/session/session_test.go b/session/session_test.go index bdb01ec475e1a..9d356dddf0e0e 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -4166,25 +4166,35 @@ func (s *testSessionSerialSuite) TestParseWithParams(c *C) { defer func() { se.GetSessionVars().InRestrictedSQL = origin }() - _, err := exec.ParseWithParams(context.Background(), "SELECT 4") + _, err := exec.ParseWithParams(context.TODO(), "SELECT 4") c.Assert(err, IsNil) // test charset attack - stmts, err := exec.ParseWithParams(context.Background(), "SELECT * FROM test WHERE name = %? LIMIT 1", "\xbf\x27 OR 1=1 /*") + stmt, err := exec.ParseWithParams(context.TODO(), "SELECT * FROM test WHERE name = %? LIMIT 1", "\xbf\x27 OR 1=1 /*") c.Assert(err, IsNil) var sb strings.Builder ctx := format.NewRestoreCtx(0, &sb) - err = stmts.Restore(ctx) + err = stmt.Restore(ctx) c.Assert(err, IsNil) // FIXME: well... so the restore function is vulnerable... c.Assert(sb.String(), Equals, "SELECT * FROM test WHERE name=_utf8mb4\xbf' OR 1=1 /* LIMIT 1") // test invalid sql - _, err = exec.ParseWithParams(context.Background(), "SELECT") + _, err = exec.ParseWithParams(context.TODO(), "SELECT") c.Assert(err, ErrorMatches, ".*You have an error in your SQL syntax.*") // test invalid arguments to escape - _, err = exec.ParseWithParams(context.Background(), "SELECT %?") + _, err = exec.ParseWithParams(context.TODO(), "SELECT %?, %?", 3) c.Assert(err, ErrorMatches, "missing arguments.*") + + // test noescape + stmt, err = exec.ParseWithParams(context.TODO(), "SELECT 3") + c.Assert(err, IsNil) + + sb.Reset() + ctx = format.NewRestoreCtx(0, &sb) + err = stmt.Restore(ctx) + c.Assert(err, IsNil) + c.Assert(sb.String(), Equals, "SELECT 3") } diff --git a/session/utils.go b/util/sqlexec/utils.go similarity index 98% rename from session/utils.go rename to util/sqlexec/utils.go index 67788d5d53a4f..44262f40aba51 100644 --- a/session/utils.go +++ b/util/sqlexec/utils.go @@ -11,7 +11,7 @@ // See the License for the specific language governing permissions and // limitations under the License. -package session +package sqlexec import ( "encoding/json" @@ -187,7 +187,6 @@ func EscapeSQL(sql string, args ...interface{}) (string, error) { buf = escapeStringBackslash(buf, v) buf = append(buf, '\'') case []string: - buf = append(buf, '(') for i, k := range v { if i > 0 { buf = append(buf, ',') @@ -196,7 +195,6 @@ func EscapeSQL(sql string, args ...interface{}) (string, error) { buf = escapeStringBackslash(buf, k) buf = append(buf, '\'') } - buf = append(buf, ')') default: return "", errors.Errorf("unsupported %d-th argument: %v", argPos, arg) } diff --git a/session/utils_test.go b/util/sqlexec/utils_test.go similarity index 98% rename from session/utils_test.go rename to util/sqlexec/utils_test.go index f7d754418c019..accd25358d499 100644 --- a/session/utils_test.go +++ b/util/sqlexec/utils_test.go @@ -11,16 +11,21 @@ // See the License for the specific language governing permissions and // limitations under the License. -package session +package sqlexec import ( "encoding/json" + "testing" "time" . "github.com/pingcap/check" "github.com/pingcap/tidb/util/hack" ) +func TestT(t *testing.T) { + TestingT(t) +} + var _ = Suite(&testUtilsSuite{}) type testUtilsSuite struct{} @@ -306,7 +311,7 @@ func (s *testUtilsSuite) TestEscapeSQL(c *C) { name: "string slice", input: "select %?", params: []interface{}{[]string{"33", "44"}}, - output: "select ('33','44')", + output: "select '33','44'", }, { name: "raw json", From 109ad453031aa69124230cea4a5e0bb565d7783a Mon Sep 17 00:00:00 2001 From: Yiding Cui Date: Mon, 1 Feb 2021 11:18:44 +0800 Subject: [PATCH 0741/1021] statistics: fix bug when bootstrap version 2 stats (#22608) --- statistics/handle/bootstrap.go | 58 ++++++++++++++++++++++++++------ statistics/handle/handle_test.go | 30 +++++++++++++++++ 2 files changed, 78 insertions(+), 10 deletions(-) diff --git a/statistics/handle/bootstrap.go b/statistics/handle/bootstrap.go index 12e4ec8c67f3a..24a15c88fd491 100644 --- a/statistics/handle/bootstrap.go +++ b/statistics/handle/bootstrap.go @@ -23,7 +23,6 @@ import ( "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/infoschema" - "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/statistics" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" @@ -85,7 +84,8 @@ func (h *Handle) initStatsMeta(is infoschema.InfoSchema) (statsCache, error) { func (h *Handle) initStatsHistograms4Chunk(is infoschema.InfoSchema, cache *statsCache, iter *chunk.Iterator4Chunk) { for row := iter.Begin(); row != iter.End(); row = iter.Next() { - table, ok := cache.tables[row.GetInt64(0)] + tblID, statsVer := row.GetInt64(0), row.GetInt64(8) + table, ok := cache.tables[tblID] if !ok { continue } @@ -114,7 +114,7 @@ func (h *Handle) initStatsHistograms4Chunk(is infoschema.InfoSchema, cache *stat CMSketch: cms, TopN: topN, Info: idxInfo, - StatsVer: row.GetInt64(8), + StatsVer: statsVer, Flag: row.GetInt64(10), } lastAnalyzePos.Copy(&index.LastAnalyzePos) @@ -130,15 +130,26 @@ func (h *Handle) initStatsHistograms4Chunk(is infoschema.InfoSchema, cache *stat if colInfo == nil { continue } + var topnCount int64 + // If this is stats of the Version2, we need to consider the topn's count as well. + // See the comments of Version2 for more details. + if statsVer == statistics.Version2 { + var err error + topnCount, err = h.initTopNCountSum(tblID, id) + if err != nil { + terror.Log(err) + } + } hist := statistics.NewHistogram(id, ndv, nullCount, version, &colInfo.FieldType, 0, totColSize) hist.Correlation = row.GetFloat64(9) col := &statistics.Column{ Histogram: *hist, PhysicalID: table.PhysicalID, Info: colInfo, - Count: nullCount, + Count: nullCount + topnCount, IsHandle: tbl.Meta().PKIsHandle && mysql.HasPriKeyFlag(colInfo.Flag), Flag: row.GetInt64(10), + StatsVer: statsVer, } lastAnalyzePos.Copy(&col.LastAnalyzePos) table.Columns[hist.ID] = col @@ -218,7 +229,7 @@ func (h *Handle) initStatsTopN(cache *statsCache) error { return nil } -func initStatsBuckets4Chunk(ctx sessionctx.Context, cache *statsCache, iter *chunk.Iterator4Chunk) { +func (h *Handle) initStatsBuckets4Chunk(cache *statsCache, iter *chunk.Iterator4Chunk) { for row := iter.Begin(); row != iter.End(); row = iter.Next() { tableID, isIndex, histID := row.GetInt64(0), row.GetInt64(1), row.GetInt64(2) table, ok := cache.tables[tableID] @@ -246,26 +257,53 @@ func initStatsBuckets4Chunk(ctx sessionctx.Context, cache *statsCache, iter *chu hist = &column.Histogram d := types.NewBytesDatum(row.GetBytes(5)) var err error - lower, err = d.ConvertTo(ctx.GetSessionVars().StmtCtx, &column.Info.FieldType) + lower, err = d.ConvertTo(h.mu.ctx.GetSessionVars().StmtCtx, &column.Info.FieldType) if err != nil { logutil.BgLogger().Debug("decode bucket lower bound failed", zap.Error(err)) delete(table.Columns, histID) continue } d = types.NewBytesDatum(row.GetBytes(6)) - upper, err = d.ConvertTo(ctx.GetSessionVars().StmtCtx, &column.Info.FieldType) + upper, err = d.ConvertTo(h.mu.ctx.GetSessionVars().StmtCtx, &column.Info.FieldType) if err != nil { logutil.BgLogger().Debug("decode bucket upper bound failed", zap.Error(err)) delete(table.Columns, histID) continue } } - hist.AppendBucket(&lower, &upper, row.GetInt64(3), row.GetInt64(4)) + hist.AppendBucketWithNDV(&lower, &upper, row.GetInt64(3), row.GetInt64(4), row.GetInt64(7)) + } +} + +func (h *Handle) initTopNCountSum(tableID, colID int64) (int64, error) { + // Before stats ver 2, histogram represents all data in this column. + // In stats ver 2, histogram + TopN represent all data in this column. + // So we need to add TopN total count here. + selSQL := fmt.Sprintf("select sum(count) from mysql.stats_top_n where table_id = %d and is_index = 0 and hist_id = %d", tableID, colID) + rs, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), selSQL) + if len(rs) > 0 { + defer terror.Call(rs[0].Close) + } + if err != nil { + return 0, err + } + req := rs[0].NewChunk() + iter := chunk.NewIterator4Chunk(req) + for { + err := rs[0].Next(context.TODO(), req) + if err != nil { + return 0, err + } + if req.NumRows() == 0 { + break + } + return iter.Begin().GetMyDecimal(0).ToInt() } + return 0, nil } func (h *Handle) initStatsBuckets(cache *statsCache) error { - sql := "select HIGH_PRIORITY table_id, is_index, hist_id, count, repeats, lower_bound, upper_bound from mysql.stats_buckets order by table_id, is_index, hist_id, bucket_id" + sql := "select HIGH_PRIORITY table_id, is_index, hist_id, count, repeats, lower_bound, upper_bound, ndv from mysql.stats_buckets order by table_id, is_index, hist_id, bucket_id" rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) if len(rc) > 0 { defer terror.Call(rc[0].Close) @@ -283,7 +321,7 @@ func (h *Handle) initStatsBuckets(cache *statsCache) error { if req.NumRows() == 0 { break } - initStatsBuckets4Chunk(h.mu.ctx, cache, iter) + h.initStatsBuckets4Chunk(cache, iter) } lastVersion := uint64(0) for _, table := range cache.tables { diff --git a/statistics/handle/handle_test.go b/statistics/handle/handle_test.go index 6b145cca4d4ed..95417de2332b8 100644 --- a/statistics/handle/handle_test.go +++ b/statistics/handle/handle_test.go @@ -507,6 +507,36 @@ func (s *testStatsSuite) TestInitStats(c *C) { h.SetLease(0) } +func (s *testStatsSuite) TestInitStatsVer2(c *C) { + defer cleanEnv(c, s.store, s.do) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("set @@session.tidb_analyze_version=2") + tk.MustExec("create table t(a int, b int, c int, index idx(a), index idxab(a, b))") + tk.MustExec("insert into t values(1, 1, 1), (2, 2, 2), (3, 3, 3), (4, 4, 4), (4, 4, 4), (4, 4, 4)") + tk.MustExec("analyze table t with 2 topn, 3 buckets") + h := s.do.StatsHandle() + is := s.do.InfoSchema() + tbl, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) + c.Assert(err, IsNil) + // `Update` will not use load by need strategy when `Lease` is 0, and `InitStats` is only called when + // `Lease` is not 0, so here we just change it. + h.SetLease(time.Millisecond) + + h.Clear() + c.Assert(h.InitStats(is), IsNil) + table0 := h.GetTableStats(tbl.Meta()) + cols := table0.Columns + c.Assert(cols[1].LastAnalyzePos.GetBytes()[0], Equals, uint8(0x33)) + c.Assert(cols[2].LastAnalyzePos.GetBytes()[0], Equals, uint8(0x33)) + c.Assert(cols[3].LastAnalyzePos.GetBytes()[0], Equals, uint8(0x33)) + h.Clear() + c.Assert(h.Update(is), IsNil) + table1 := h.GetTableStats(tbl.Meta()) + assertTableEqual(c, table0, table1) + h.SetLease(0) +} + func (s *testStatsSuite) TestLoadStats(c *C) { defer cleanEnv(c, s.store, s.do) testKit := testkit.NewTestKit(c, s.store) From 7ca1629d1a5114c8bfad40562a59de7327de72fd Mon Sep 17 00:00:00 2001 From: Morgan Tocker Date: Sun, 31 Jan 2021 23:05:27 -0700 Subject: [PATCH 0742/1021] *: refactor ExecuteInternal to return single resultset (#22546) --- bindinfo/handle.go | 23 +++++------ executor/analyze.go | 16 +++---- session/bootstrap.go | 12 +++--- session/session.go | 55 ++++++++++--------------- store/tikv/gcworker/gc_worker.go | 8 ++-- util/mock/context.go | 6 +-- util/sqlexec/restricted_sql_executor.go | 3 +- 7 files changed, 53 insertions(+), 70 deletions(-) diff --git a/bindinfo/handle.go b/bindinfo/handle.go index 1f52bf5ed2dd7..77574e80c4a32 100644 --- a/bindinfo/handle.go +++ b/bindinfo/handle.go @@ -661,16 +661,16 @@ func (h *BindHandle) CaptureBaselines() { func getHintsForSQL(sctx sessionctx.Context, sql string) (string, error) { origVals := sctx.GetSessionVars().UsePlanBaselines sctx.GetSessionVars().UsePlanBaselines = false - recordSets, err := sctx.(sqlexec.SQLExecutor).ExecuteInternal(context.TODO(), fmt.Sprintf("explain format='hint' %s", sql)) + rs, err := sctx.(sqlexec.SQLExecutor).ExecuteInternal(context.TODO(), fmt.Sprintf("explain format='hint' %s", sql)) sctx.GetSessionVars().UsePlanBaselines = origVals - if len(recordSets) > 0 { - defer terror.Log(recordSets[0].Close()) + if rs != nil { + defer terror.Call(rs.Close) } if err != nil { return "", err } - chk := recordSets[0].NewChunk() - err = recordSets[0].Next(context.TODO(), chk) + chk := rs.NewChunk() + err = rs.Next(context.TODO(), chk) if err != nil { return "", err } @@ -873,23 +873,22 @@ func runSQL(ctx context.Context, sctx sessionctx.Context, sql string, resultChan resultChan <- fmt.Errorf("run sql panicked: %v", string(buf)) } }() - recordSets, err := sctx.(sqlexec.SQLExecutor).ExecuteInternal(ctx, sql) + rs, err := sctx.(sqlexec.SQLExecutor).ExecuteInternal(ctx, sql) if err != nil { - if len(recordSets) > 0 { - terror.Call(recordSets[0].Close) + if rs != nil { + terror.Call(rs.Close) } resultChan <- err return } - recordSet := recordSets[0] - chk := recordSets[0].NewChunk() + chk := rs.NewChunk() for { - err = recordSet.Next(ctx, chk) + err = rs.Next(ctx, chk) if err != nil || chk.NumRows() == 0 { break } } - terror.Call(recordSets[0].Close) + terror.Call(rs.Close) resultChan <- err } diff --git a/executor/analyze.go b/executor/analyze.go index a5ce368901f0d..2b8209d753d22 100644 --- a/executor/analyze.go +++ b/executor/analyze.go @@ -758,22 +758,18 @@ func (e *AnalyzeFastExec) calculateEstimateSampleStep() (err error) { if len(partition) > 0 { sql += partition } - var recordSets []sqlexec.RecordSet - recordSets, err = e.ctx.(sqlexec.SQLExecutor).ExecuteInternal(context.TODO(), sql) + var rs sqlexec.RecordSet + rs, err = e.ctx.(sqlexec.SQLExecutor).ExecuteInternal(context.TODO(), sql) if err != nil { return } - if len(recordSets) == 0 { + if rs == nil { err = errors.Trace(errors.Errorf("empty record set")) return } - defer func() { - for _, r := range recordSets { - terror.Call(r.Close) - } - }() - chk := recordSets[0].NewChunk() - err = recordSets[0].Next(context.TODO(), chk) + defer terror.Call(rs.Close) + chk := rs.NewChunk() + err = rs.Next(context.TODO(), chk) if err != nil { return } diff --git a/session/bootstrap.go b/session/bootstrap.go index 9d95fc9884bab..14f1e21c4904a 100644 --- a/session/bootstrap.go +++ b/session/bootstrap.go @@ -1325,8 +1325,8 @@ func upgradeToVer61(s Session, ver int64) { mustExecute(s, "COMMIT") }() mustExecute(s, h.LockBindInfoSQL()) - var recordSets []sqlexec.RecordSet - recordSets, err = s.ExecuteInternal(context.Background(), + var rs sqlexec.RecordSet + rs, err = s.ExecuteInternal(context.Background(), `SELECT bind_sql, default_db, status, create_time, charset, collation, source FROM mysql.bind_info WHERE source != 'builtin' @@ -1334,15 +1334,15 @@ func upgradeToVer61(s Session, ver int64) { if err != nil { logutil.BgLogger().Fatal("upgradeToVer61 error", zap.Error(err)) } - if len(recordSets) > 0 { - defer terror.Call(recordSets[0].Close) + if rs != nil { + defer terror.Call(rs.Close) } - req := recordSets[0].NewChunk() + req := rs.NewChunk() iter := chunk.NewIterator4Chunk(req) p := parser.New() now := types.NewTime(types.FromGoTime(time.Now()), mysql.TypeTimestamp, 3) for { - err = recordSets[0].Next(context.TODO(), req) + err = rs.Next(context.TODO(), req) if err != nil { logutil.BgLogger().Fatal("upgradeToVer61 error", zap.Error(err)) } diff --git a/session/session.go b/session/session.go index a7b90b7e9f8b2..fc4794fcb1a15 100644 --- a/session/session.go +++ b/session/session.go @@ -123,13 +123,14 @@ type Session interface { LastInsertID() uint64 // LastInsertID is the last inserted auto_increment ID. LastMessage() string // LastMessage is the info message that may be generated by last command AffectedRows() uint64 // Affected rows by latest executed stmt. - // Execute is deprecated, use ExecuteStmt() instead. + // Execute is deprecated, and only used by plugins. Use ExecuteStmt() instead. Execute(context.Context, string) ([]sqlexec.RecordSet, error) // Execute a sql statement. + // ExecuteStmt executes a parsed statement. ExecuteStmt(context.Context, ast.StmtNode) (sqlexec.RecordSet, error) // Parse is deprecated, use ParseWithParams() instead. Parse(ctx context.Context, sql string) ([]ast.StmtNode, error) // ExecuteInternal is a helper around ParseWithParams() and ExecuteStmt(). It is not allowed to execute multiple statements. - ExecuteInternal(context.Context, string, ...interface{}) ([]sqlexec.RecordSet, error) + ExecuteInternal(context.Context, string, ...interface{}) (sqlexec.RecordSet, error) String() string // String is used to debug. CommitTxn(context.Context) error RollbackTxn(context.Context) @@ -899,37 +900,22 @@ func (s *session) ExecRestrictedSQLWithSnapshot(sql string) ([]chunk.Row, []*ast func execRestrictedSQL(ctx context.Context, se *session, sql string) ([]chunk.Row, []*ast.ResultField, error) { ctx = context.WithValue(ctx, execdetails.StmtExecDetailKey, &execdetails.StmtExecDetails{}) startTime := time.Now() - recordSets, err := se.ExecuteInternal(ctx, sql) - defer func() { - for _, rs := range recordSets { - closeErr := rs.Close() - if closeErr != nil && err == nil { - err = closeErr - } - } - }() - if err != nil { + rs, err := se.ExecuteInternal(ctx, sql) + if rs != nil { + defer terror.Call(rs.Close) + } + if err != nil || rs == nil { return nil, nil, err } - var ( - rows []chunk.Row - fields []*ast.ResultField - ) // Execute all recordset, take out the first one as result. - for i, rs := range recordSets { - tmp, err := drainRecordSet(ctx, se, rs) - if err != nil { - return nil, nil, err - } - - if i == 0 { - rows = tmp - fields = rs.Fields() - } + rows, err := drainRecordSet(ctx, se, rs) + if err != nil { + return nil, nil, err } + metrics.QueryDurationHistogram.WithLabelValues(metrics.LblInternal).Observe(time.Since(startTime).Seconds()) - return rows, fields, err + return rows, rs.Fields(), err } func createSessionFunc(store kv.Storage) pools.Factory { @@ -1259,7 +1245,7 @@ func (s *session) SetProcessInfo(sql string, t time.Time, command byte, maxExecu s.processInfo.Store(&pi) } -func (s *session) ExecuteInternal(ctx context.Context, sql string, args ...interface{}) (recordSets []sqlexec.RecordSet, err error) { +func (s *session) ExecuteInternal(ctx context.Context, sql string, args ...interface{}) (rs sqlexec.RecordSet, err error) { origin := s.sessionVars.InRestrictedSQL s.sessionVars.InRestrictedSQL = true defer func() { @@ -1278,7 +1264,7 @@ func (s *session) ExecuteInternal(ctx context.Context, sql string, args ...inter return nil, err } - rs, err := s.ExecuteStmt(ctx, stmtNode) + rs, err = s.ExecuteStmt(ctx, stmtNode) if err != nil { s.sessionVars.StmtCtx.AppendError(err) } @@ -1286,9 +1272,10 @@ func (s *session) ExecuteInternal(ctx context.Context, sql string, args ...inter return nil, err } - return []sqlexec.RecordSet{rs}, err + return rs, err } +// Execute is deprecated, we can remove it as soon as plugins are migrated. func (s *session) Execute(ctx context.Context, sql string) (recordSets []sqlexec.RecordSet, err error) { if span := opentracing.SpanFromContext(ctx); span != nil && span.Tracer() != nil { span1 := span.Tracer().StartSpan("session.Execute", opentracing.ChildOf(span.Context())) @@ -2224,18 +2211,18 @@ var ( // loadParameter loads read-only parameter from mysql.tidb func loadParameter(se *session, name string) (string, error) { sql := "select variable_value from mysql.tidb where variable_name = '" + name + "'" - rss, errLoad := se.Execute(context.Background(), sql) + rs, errLoad := se.ExecuteInternal(context.Background(), sql) if errLoad != nil { return "", errLoad } // the record of mysql.tidb under where condition: variable_name = $name should shall only be one. defer func() { - if err := rss[0].Close(); err != nil { + if err := rs.Close(); err != nil { logutil.BgLogger().Error("close result set error", zap.Error(err)) } }() - req := rss[0].NewChunk() - if err := rss[0].Next(context.Background(), req); err != nil { + req := rs.NewChunk() + if err := rs.Next(context.Background(), req); err != nil { return "", err } if req.NumRows() == 0 { diff --git a/store/tikv/gcworker/gc_worker.go b/store/tikv/gcworker/gc_worker.go index 4cde4b08a0cb6..43f50c9422748 100644 --- a/store/tikv/gcworker/gc_worker.go +++ b/store/tikv/gcworker/gc_worker.go @@ -1760,14 +1760,14 @@ func (w *GCWorker) loadValueFromSysTable(key string) (string, error) { se := createSession(w.store) defer se.Close() rs, err := se.ExecuteInternal(ctx, `SELECT HIGH_PRIORITY (variable_value) FROM mysql.tidb WHERE variable_name=%? FOR UPDATE`, key) - if len(rs) > 0 { - defer terror.Call(rs[0].Close) + if rs != nil { + defer terror.Call(rs.Close) } if err != nil { return "", errors.Trace(err) } - req := rs[0].NewChunk() - err = rs[0].Next(ctx, req) + req := rs.NewChunk() + err = rs.Next(ctx, req) if err != nil { return "", errors.Trace(err) } diff --git a/util/mock/context.go b/util/mock/context.go index daafb0c1a244c..8f87caefcc2c1 100644 --- a/util/mock/context.go +++ b/util/mock/context.go @@ -67,12 +67,12 @@ func (txn *wrapTxn) GetUnionStore() kv.UnionStore { // Execute implements sqlexec.SQLExecutor Execute interface. func (c *Context) Execute(ctx context.Context, sql string) ([]sqlexec.RecordSet, error) { - return nil, errors.Errorf("Not Support.") + return nil, errors.Errorf("Not Supported.") } // ExecuteInternal implements sqlexec.SQLExecutor ExecuteInternal interface. -func (c *Context) ExecuteInternal(ctx context.Context, sql string, args ...interface{}) ([]sqlexec.RecordSet, error) { - return nil, errors.Errorf("Not Support.") +func (c *Context) ExecuteInternal(ctx context.Context, sql string, args ...interface{}) (sqlexec.RecordSet, error) { + return nil, errors.Errorf("Not Supported.") } type mockDDLOwnerChecker struct{} diff --git a/util/sqlexec/restricted_sql_executor.go b/util/sqlexec/restricted_sql_executor.go index 5a07c6a04622f..a1d8d5421a803 100644 --- a/util/sqlexec/restricted_sql_executor.go +++ b/util/sqlexec/restricted_sql_executor.go @@ -86,9 +86,10 @@ func ExecOptionWithSnapshot(snapshot uint64) OptionFuncAlias { // For example, privilege/privileges package need execute SQL, if it use // session.Session.Execute, then privilege/privileges and tidb would become a circle. type SQLExecutor interface { + // Execute is only used by plugins. It can be removed soon. Execute(ctx context.Context, sql string) ([]RecordSet, error) // ExecuteInternal means execute sql as the internal sql. - ExecuteInternal(ctx context.Context, sql string, args ...interface{}) ([]RecordSet, error) + ExecuteInternal(ctx context.Context, sql string, args ...interface{}) (RecordSet, error) } // SQLParser is an interface provides parsing sql statement. From 843e03996b10d3b849f935218a0c1a80d7f0e854 Mon Sep 17 00:00:00 2001 From: Kenan Yao Date: Mon, 1 Feb 2021 14:44:17 +0800 Subject: [PATCH 0743/1021] *: do not report error for prepared stmt execution if tidb_snapshot is set (#22568) --- executor/builder.go | 8 +++--- planner/core/cache.go | 3 --- planner/core/cache_test.go | 2 +- planner/core/prepare_test.go | 51 ++++++++++++++++++++++++++++++++++++ 4 files changed, 56 insertions(+), 8 deletions(-) diff --git a/executor/builder.go b/executor/builder.go index fd264189449f1..e22a3224e67dc 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -1384,11 +1384,11 @@ func (b *executorBuilder) getSnapshotTS() (uint64, error) { } snapshotTS := b.ctx.GetSessionVars().SnapshotTS - txn, err := b.ctx.Txn(true) - if err != nil { - return 0, err - } if snapshotTS == 0 { + txn, err := b.ctx.Txn(true) + if err != nil { + return 0, err + } snapshotTS = txn.StartTS() } b.snapshotTS = snapshotTS diff --git a/planner/core/cache.go b/planner/core/cache.go index d2c8a0b2ee7a3..93e8ba5ec49df 100644 --- a/planner/core/cache.go +++ b/planner/core/cache.go @@ -66,7 +66,6 @@ type pstmtPlanCacheKey struct { database string connID uint64 pstmtID uint32 - snapshot uint64 schemaVersion int64 sqlMode mysql.SQLMode timezoneOffset int @@ -89,7 +88,6 @@ func (key *pstmtPlanCacheKey) Hash() []byte { key.hash = append(key.hash, dbBytes...) key.hash = codec.EncodeInt(key.hash, int64(key.connID)) key.hash = codec.EncodeInt(key.hash, int64(key.pstmtID)) - key.hash = codec.EncodeInt(key.hash, int64(key.snapshot)) key.hash = codec.EncodeInt(key.hash, key.schemaVersion) key.hash = codec.EncodeInt(key.hash, int64(key.sqlMode)) key.hash = codec.EncodeInt(key.hash, int64(key.timezoneOffset)) @@ -133,7 +131,6 @@ func NewPSTMTPlanCacheKey(sessionVars *variable.SessionVars, pstmtID uint32, sch database: sessionVars.CurrentDB, connID: sessionVars.ConnectionID, pstmtID: pstmtID, - snapshot: sessionVars.SnapshotTS, schemaVersion: schemaVersion, sqlMode: sessionVars.SQLMode, timezoneOffset: timezoneOffset, diff --git a/planner/core/cache_test.go b/planner/core/cache_test.go index e95b21c3174b2..262497e50a24e 100644 --- a/planner/core/cache_test.go +++ b/planner/core/cache_test.go @@ -39,5 +39,5 @@ func (s *testCacheSuite) SetUpSuite(c *C) { func (s *testCacheSuite) TestCacheKey(c *C) { defer testleak.AfterTest(c)() key := NewPSTMTPlanCacheKey(s.ctx.GetSessionVars(), 1, 1) - c.Assert(key.Hash(), DeepEquals, []byte{0x74, 0x65, 0x73, 0x74, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x74, 0x69, 0x64, 0x62, 0x74, 0x69, 0x6b, 0x76, 0x74, 0x69, 0x66, 0x6c, 0x61, 0x73, 0x68, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}) + c.Assert(key.Hash(), DeepEquals, []byte{0x74, 0x65, 0x73, 0x74, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x74, 0x69, 0x64, 0x62, 0x74, 0x69, 0x6b, 0x76, 0x74, 0x69, 0x66, 0x6c, 0x61, 0x73, 0x68, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}) } diff --git a/planner/core/prepare_test.go b/planner/core/prepare_test.go index b193793c1e845..a451b26b7dce0 100644 --- a/planner/core/prepare_test.go +++ b/planner/core/prepare_test.go @@ -15,6 +15,7 @@ package core_test import ( "context" + "fmt" "math" "strconv" "time" @@ -921,3 +922,53 @@ func (s *testPrepareSerialSuite) TestPrepareCacheWithJoinTable(c *C) { tk.MustQuery("execute stmt using @a").Check(testkit.Rows()) tk.MustQuery("execute stmt using @b").Check(testkit.Rows("a ")) } + +func (s *testPlanSerialSuite) TestPlanCacheSnapshot(c *C) { + store, _, err := newStoreWithBootstrap() + c.Assert(err, IsNil) + tk := testkit.NewTestKit(c, store) + orgEnable := core.PreparedPlanCacheEnabled() + defer func() { + store.Close() + core.SetPreparedPlanCache(orgEnable) + }() + core.SetPreparedPlanCache(true) + + tk.Se, err = session.CreateSession4TestWithOpt(store, &session.Opt{ + PreparedPlanCache: kvcache.NewSimpleLRUCache(100, 0.1, math.MaxUint64), + }) + c.Assert(err, IsNil) + + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(id int)") + tk.MustExec("insert into t values (1),(2),(3),(4)") + + // For mocktikv, safe point is not initialized, we manually insert it for snapshot to use. + timeSafe := time.Now().Add(-48 * 60 * 60 * time.Second).Format("20060102-15:04:05 -0700 MST") + safePointSQL := `INSERT HIGH_PRIORITY INTO mysql.tidb VALUES ('tikv_gc_safe_point', '%[1]s', '') + ON DUPLICATE KEY + UPDATE variable_value = '%[1]s'` + tk.MustExec(fmt.Sprintf(safePointSQL, timeSafe)) + + tk.MustExec("prepare stmt from 'select * from t where id=?'") + tk.MustExec("set @p = 1") + tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0")) + tk.MustQuery("execute stmt using @p").Check(testkit.Rows("1")) + tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0")) + tk.MustQuery("execute stmt using @p").Check(testkit.Rows("1")) + tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1")) + + // Record the current tso. + tk.MustExec("begin") + tso := tk.Se.GetSessionVars().TxnCtx.StartTS + tk.MustExec("rollback") + c.Assert(tso > 0, IsTrue) + // Insert one more row with id = 1. + tk.MustExec("insert into t values (1)") + + tk.MustExec(fmt.Sprintf("set @@tidb_snapshot = '%d'", tso)) + tk.MustQuery("select * from t where id = 1").Check(testkit.Rows("1")) + tk.MustQuery("execute stmt using @p").Check(testkit.Rows("1")) + tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1")) +} From 579421f6e02ab5cdde3344aa25815725a1561f12 Mon Sep 17 00:00:00 2001 From: disksing Date: Mon, 1 Feb 2021 03:18:39 -0600 Subject: [PATCH 0744/1021] store/tikv: export types (#22645) Co-authored-by: Shirly --- kv/kv.go | 2 +- store/tikv/2pc.go | 4 +- store/tikv/2pc_test.go | 6 +- store/tikv/async_commit_test.go | 6 +- store/tikv/backoff_test.go | 4 +- store/tikv/batch_coprocessor.go | 2 +- store/tikv/client.go | 30 ++++---- store/tikv/client_batch.go | 2 +- store/tikv/client_fail_test.go | 2 +- store/tikv/client_test.go | 4 +- store/tikv/coprocessor.go | 6 +- store/tikv/coprocessor_test.go | 6 +- store/tikv/delete_range_test.go | 4 +- store/tikv/isolation_test.go | 4 +- store/tikv/kv.go | 120 +++++++++++++++++++----------- store/tikv/lock_resolver.go | 2 +- store/tikv/lock_test.go | 4 +- store/tikv/mpp.go | 4 +- store/tikv/pd_codec.go | 15 ++-- store/tikv/prewrite_test.go | 4 +- store/tikv/range_task_test.go | 4 +- store/tikv/rawkv.go | 2 +- store/tikv/region_cache.go | 2 +- store/tikv/region_cache_test.go | 4 +- store/tikv/region_request_test.go | 8 +- store/tikv/safepoint_test.go | 4 +- store/tikv/scan_mock_test.go | 4 +- store/tikv/scan_test.go | 4 +- store/tikv/snapshot.go | 4 +- store/tikv/snapshot_fail_test.go | 4 +- store/tikv/snapshot_test.go | 4 +- store/tikv/split_region.go | 14 ++-- store/tikv/split_test.go | 4 +- store/tikv/store_test.go | 4 +- store/tikv/test_util.go | 4 +- store/tikv/ticlient_test.go | 4 +- store/tikv/txn.go | 8 +- 37 files changed, 177 insertions(+), 136 deletions(-) diff --git a/kv/kv.go b/kv/kv.go index b46f2b0a1e959..52e23dc7f49d7 100644 --- a/kv/kv.go +++ b/kv/kv.go @@ -473,7 +473,7 @@ type Storage interface { GetSnapshot(ver Version) Snapshot // GetClient gets a client instance. GetClient() Client - // GetClient gets a mpp client instance. + // GetMPPClient gets a mpp client instance. GetMPPClient() MPPClient // Close store Close() error diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index 7ed738c0a2c71..00ebec6525e4d 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -77,7 +77,7 @@ func metricsTag(action string) string { // twoPhaseCommitter executes a two-phase commit protocol. type twoPhaseCommitter struct { - store *tikvStore + store *KVStore txn *tikvTxn startTS uint64 mutations *memBufferMutations @@ -921,7 +921,7 @@ func (tm *ttlManager) keepAlive(c *twoPhaseCommitter) { } } -func sendTxnHeartBeat(bo *Backoffer, store *tikvStore, primary []byte, startTS, ttl uint64) (uint64, error) { +func sendTxnHeartBeat(bo *Backoffer, store *KVStore, primary []byte, startTS, ttl uint64) (uint64, error) { req := tikvrpc.NewRequest(tikvrpc.CmdTxnHeartBeat, &pb.TxnHeartBeatRequest{ PrimaryLock: primary, StartVersion: startTS, diff --git a/store/tikv/2pc_test.go b/store/tikv/2pc_test.go index 37f95a10ecd8c..070b7caa2f1af 100644 --- a/store/tikv/2pc_test.go +++ b/store/tikv/2pc_test.go @@ -41,7 +41,7 @@ import ( type testCommitterSuite struct { OneByOneSuite cluster cluster.Cluster - store *tikvStore + store *KVStore } var _ = SerialSuites(&testCommitterSuite{}) @@ -59,9 +59,9 @@ func (s *testCommitterSuite) SetUpTest(c *C) { mocktikv.BootstrapWithMultiRegions(cluster, []byte("a"), []byte("b"), []byte("c")) s.cluster = cluster client := mocktikv.NewRPCClient(cluster, mvccStore) - pdCli := &codecPDClient{mocktikv.NewPDClient(cluster)} + pdCli := &CodecPDClient{mocktikv.NewPDClient(cluster)} spkv := NewMockSafePointKV() - store, err := newTikvStore("mocktikv-store", pdCli, spkv, client, false, nil) + store, err := NewKVStore("mocktikv-store", pdCli, spkv, client, false, nil) store.EnableTxnLocalLatches(1024000) c.Assert(err, IsNil) diff --git a/store/tikv/async_commit_test.go b/store/tikv/async_commit_test.go index 0ddf067d2020a..71d28cddbf8de 100644 --- a/store/tikv/async_commit_test.go +++ b/store/tikv/async_commit_test.go @@ -35,12 +35,12 @@ import ( // testAsyncCommitSuite and testAsyncCommitFailSuite. type testAsyncCommitCommon struct { cluster cluster.Cluster - store *tikvStore + store *KVStore } func (s *testAsyncCommitCommon) setUpTest(c *C) { if *WithTiKV { - s.store = NewTestStore(c).(*tikvStore) + s.store = NewTestStore(c).(*KVStore) return } @@ -51,7 +51,7 @@ func (s *testAsyncCommitCommon) setUpTest(c *C) { store, err := NewTestTiKVStore(client, pdClient, nil, nil, 0) c.Assert(err, IsNil) - s.store = store.(*tikvStore) + s.store = store.(*KVStore) } func (s *testAsyncCommitCommon) putAlphabets(c *C, enableAsyncCommit bool) { diff --git a/store/tikv/backoff_test.go b/store/tikv/backoff_test.go index c8037674b3aaf..549351fd5f68d 100644 --- a/store/tikv/backoff_test.go +++ b/store/tikv/backoff_test.go @@ -22,13 +22,13 @@ import ( type testBackoffSuite struct { OneByOneSuite - store *tikvStore + store *KVStore } var _ = Suite(&testBackoffSuite{}) func (s *testBackoffSuite) SetUpTest(c *C) { - s.store = NewTestStore(c).(*tikvStore) + s.store = NewTestStore(c).(*KVStore) } func (s *testBackoffSuite) TearDownTest(c *C) { diff --git a/store/tikv/batch_coprocessor.go b/store/tikv/batch_coprocessor.go index 89bedd82069c5..e84ff3d982503 100644 --- a/store/tikv/batch_coprocessor.go +++ b/store/tikv/batch_coprocessor.go @@ -199,7 +199,7 @@ func (c *CopClient) sendBatch(ctx context.Context, req *kv.Request, vars *kv.Var type batchCopIterator struct { clientHelper - store *tikvStore + store *KVStore req *kv.Request finishCh chan struct{} diff --git a/store/tikv/client.go b/store/tikv/client.go index d08f06e26d53a..d42ace78562d0 100644 --- a/store/tikv/client.go +++ b/store/tikv/client.go @@ -220,11 +220,11 @@ func (a *connArray) Close() { close(a.done) } -// rpcClient is RPC client struct. +// RPCClient is RPC client struct. // TODO: Add flow control between RPC clients in TiDB ond RPC servers in TiKV. // Since we use shared client connection to communicate to the same TiKV, it's possible // that there are too many concurrent requests which overload the service of TiKV. -type rpcClient struct { +type RPCClient struct { sync.RWMutex conns map[string]*connArray @@ -240,8 +240,9 @@ type rpcClient struct { dialTimeout time.Duration } -func newRPCClient(security config.Security, opts ...func(c *rpcClient)) *rpcClient { - cli := &rpcClient{ +// NewRPCClient creates a client that manages connections and rpc calls with tikv-servers. +func NewRPCClient(security config.Security, opts ...func(c *RPCClient)) *RPCClient { + cli := &RPCClient{ conns: make(map[string]*connArray), security: security, dialTimeout: dialTimeout, @@ -254,10 +255,10 @@ func newRPCClient(security config.Security, opts ...func(c *rpcClient)) *rpcClie // NewTestRPCClient is for some external tests. func NewTestRPCClient(security config.Security) Client { - return newRPCClient(security) + return NewRPCClient(security) } -func (c *rpcClient) getConnArray(addr string, enableBatch bool, opt ...func(cfg *config.TiKVClient)) (*connArray, error) { +func (c *RPCClient) getConnArray(addr string, enableBatch bool, opt ...func(cfg *config.TiKVClient)) (*connArray, error) { c.RLock() if c.isClosed { c.RUnlock() @@ -275,7 +276,7 @@ func (c *rpcClient) getConnArray(addr string, enableBatch bool, opt ...func(cfg return array, nil } -func (c *rpcClient) createConnArray(addr string, enableBatch bool, opts ...func(cfg *config.TiKVClient)) (*connArray, error) { +func (c *RPCClient) createConnArray(addr string, enableBatch bool, opts ...func(cfg *config.TiKVClient)) (*connArray, error) { c.Lock() defer c.Unlock() array, ok := c.conns[addr] @@ -294,7 +295,7 @@ func (c *rpcClient) createConnArray(addr string, enableBatch bool, opts ...func( return array, nil } -func (c *rpcClient) closeConns() { +func (c *RPCClient) closeConns() { c.Lock() if !c.isClosed { c.isClosed = true @@ -313,7 +314,7 @@ type sendReqHistCacheKey struct { id uint64 } -func (c *rpcClient) updateTiKVSendReqHistogram(req *tikvrpc.Request, start time.Time) { +func (c *RPCClient) updateTiKVSendReqHistogram(req *tikvrpc.Request, start time.Time) { key := sendReqHistCacheKey{ req.Type, req.Context.GetPeer().GetStoreId(), @@ -331,7 +332,7 @@ func (c *rpcClient) updateTiKVSendReqHistogram(req *tikvrpc.Request, start time. } // SendRequest sends a Request to server and receives Response. -func (c *rpcClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.Request, timeout time.Duration) (*tikvrpc.Response, error) { +func (c *RPCClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.Request, timeout time.Duration) (*tikvrpc.Response, error) { if span := opentracing.SpanFromContext(ctx); span != nil && span.Tracer() != nil { span1 := span.Tracer().StartSpan(fmt.Sprintf("rpcClient.SendRequest, region ID: %d, type: %s", req.RegionId, req.Type), opentracing.ChildOf(span.Context())) defer span1.Finish() @@ -401,7 +402,7 @@ func (c *rpcClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.R return tikvrpc.CallRPC(ctx1, client, req) } -func (c *rpcClient) getCopStreamResponse(ctx context.Context, client tikvpb.TikvClient, req *tikvrpc.Request, timeout time.Duration, connArray *connArray) (*tikvrpc.Response, error) { +func (c *RPCClient) getCopStreamResponse(ctx context.Context, client tikvpb.TikvClient, req *tikvrpc.Request, timeout time.Duration, connArray *connArray) (*tikvrpc.Response, error) { // Coprocessor streaming request. // Use context to support timeout for grpc streaming client. ctx1, cancel := context.WithCancel(ctx) @@ -436,7 +437,7 @@ func (c *rpcClient) getCopStreamResponse(ctx context.Context, client tikvpb.Tikv } -func (c *rpcClient) getBatchCopStreamResponse(ctx context.Context, client tikvpb.TikvClient, req *tikvrpc.Request, timeout time.Duration, connArray *connArray) (*tikvrpc.Response, error) { +func (c *RPCClient) getBatchCopStreamResponse(ctx context.Context, client tikvpb.TikvClient, req *tikvrpc.Request, timeout time.Duration, connArray *connArray) (*tikvrpc.Response, error) { // Coprocessor streaming request. // Use context to support timeout for grpc streaming client. ctx1, cancel := context.WithCancel(ctx) @@ -470,7 +471,7 @@ func (c *rpcClient) getBatchCopStreamResponse(ctx context.Context, client tikvpb return resp, nil } -func (c *rpcClient) getMPPStreamResponse(ctx context.Context, client tikvpb.TikvClient, req *tikvrpc.Request, timeout time.Duration, connArray *connArray) (*tikvrpc.Response, error) { +func (c *RPCClient) getMPPStreamResponse(ctx context.Context, client tikvpb.TikvClient, req *tikvrpc.Request, timeout time.Duration, connArray *connArray) (*tikvrpc.Response, error) { // MPP streaming request. // Use context to support timeout for grpc streaming client. ctx1, cancel := context.WithCancel(ctx) @@ -503,7 +504,8 @@ func (c *rpcClient) getMPPStreamResponse(ctx context.Context, client tikvpb.Tikv return resp, nil } -func (c *rpcClient) Close() error { +// Close closes all connections. +func (c *RPCClient) Close() error { // TODO: add a unit test for SendRequest After Closed c.closeConns() return nil diff --git a/store/tikv/client_batch.go b/store/tikv/client_batch.go index 019344cf3d3dc..ccee82c26361d 100644 --- a/store/tikv/client_batch.go +++ b/store/tikv/client_batch.go @@ -645,7 +645,7 @@ func sendBatchRequest( } } -func (c *rpcClient) recycleIdleConnArray() { +func (c *RPCClient) recycleIdleConnArray() { var addrs []string c.RLock() for _, conn := range c.conns { diff --git a/store/tikv/client_fail_test.go b/store/tikv/client_fail_test.go index ead60079eb582..cadf1dbe06f6e 100644 --- a/store/tikv/client_fail_test.go +++ b/store/tikv/client_fail_test.go @@ -47,7 +47,7 @@ func (s *testClientFailSuite) TestPanicInRecvLoop(c *C) { defer server.Stop() addr := fmt.Sprintf("%s:%d", "127.0.0.1", port) - rpcClient := newRPCClient(config.Security{}, func(c *rpcClient) { + rpcClient := NewRPCClient(config.Security{}, func(c *RPCClient) { c.dialTimeout = time.Second / 3 }) diff --git a/store/tikv/client_test.go b/store/tikv/client_test.go index 1b50f598b9b2d..628a3f421cbaf 100644 --- a/store/tikv/client_test.go +++ b/store/tikv/client_test.go @@ -57,7 +57,7 @@ func (s *testClientSerialSuite) TestConn(c *C) { maxBatchSize := tidbcfg.GetGlobalConfig().TiKVClient.MaxBatchSize setMaxBatchSize(0) - client := newRPCClient(config.Security{}) + client := NewRPCClient(config.Security{}) addr := "127.0.0.1:6379" conn1, err := client.getConnArray(addr, true) @@ -115,7 +115,7 @@ func (s *testClientSuite) TestSendWhenReconnect(c *C) { server, port := startMockTikvService() c.Assert(port > 0, IsTrue) - rpcClient := newRPCClient(config.Security{}) + rpcClient := NewRPCClient(config.Security{}) addr := fmt.Sprintf("%s:%d", "127.0.0.1", port) conn, err := rpcClient.getConnArray(addr, true) c.Assert(err, IsNil) diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go index 42f3b435307b3..adc5a5f41fcec 100644 --- a/store/tikv/coprocessor.go +++ b/store/tikv/coprocessor.go @@ -53,7 +53,7 @@ var ( // CopClient is coprocessor client. type CopClient struct { kv.RequestTypeSupportedChecker - store *tikvStore + store *KVStore replicaReadSeed uint32 } @@ -219,7 +219,7 @@ func reverseTasks(tasks []*copTask) { } type copIterator struct { - store *tikvStore + store *KVStore req *kv.Request concurrency int finishCh chan struct{} @@ -258,7 +258,7 @@ type copIterator struct { type copIteratorWorker struct { taskCh <-chan *copTask wg *sync.WaitGroup - store *tikvStore + store *KVStore req *kv.Request respChan chan<- *copResponse finishCh <-chan struct{} diff --git a/store/tikv/coprocessor_test.go b/store/tikv/coprocessor_test.go index 902de9da0c6a6..de2070de8b834 100644 --- a/store/tikv/coprocessor_test.go +++ b/store/tikv/coprocessor_test.go @@ -33,7 +33,7 @@ func (s *testCoprocessorSuite) TestBuildTasks(c *C) { // <- 0 -> <- 1 -> <- 2 -> <- 3 -> cluster := mocktikv.NewCluster(mocktikv.MustNewMVCCStore()) _, regionIDs, _ := mocktikv.BootstrapWithMultiRegions(cluster, []byte("g"), []byte("n"), []byte("t")) - pdCli := &codecPDClient{mocktikv.NewPDClient(cluster)} + pdCli := &CodecPDClient{mocktikv.NewPDClient(cluster)} cache := NewRegionCache(pdCli) defer cache.Close() @@ -150,7 +150,7 @@ func (s *testCoprocessorSuite) TestSplitRegionRanges(c *C) { // <- 0 -> <- 1 -> <- 2 -> <- 3 -> cluster := mocktikv.NewCluster(mocktikv.MustNewMVCCStore()) mocktikv.BootstrapWithMultiRegions(cluster, []byte("g"), []byte("n"), []byte("t")) - pdCli := &codecPDClient{mocktikv.NewPDClient(cluster)} + pdCli := &CodecPDClient{mocktikv.NewPDClient(cluster)} cache := NewRegionCache(pdCli) defer cache.Close() @@ -203,7 +203,7 @@ func (s *testCoprocessorSuite) TestRebuild(c *C) { // <- 0 -> <- 1 -> cluster := mocktikv.NewCluster(mocktikv.MustNewMVCCStore()) storeID, regionIDs, peerIDs := mocktikv.BootstrapWithMultiRegions(cluster, []byte("m")) - pdCli := &codecPDClient{mocktikv.NewPDClient(cluster)} + pdCli := &CodecPDClient{mocktikv.NewPDClient(cluster)} cache := NewRegionCache(pdCli) defer cache.Close() bo := NewBackofferWithVars(context.Background(), 3000, nil) diff --git a/store/tikv/delete_range_test.go b/store/tikv/delete_range_test.go index bf14d221617fe..3aa4b68f722fa 100644 --- a/store/tikv/delete_range_test.go +++ b/store/tikv/delete_range_test.go @@ -27,7 +27,7 @@ import ( type testDeleteRangeSuite struct { OneByOneSuite cluster cluster.Cluster - store *tikvStore + store *KVStore } var _ = Suite(&testDeleteRangeSuite{}) @@ -50,7 +50,7 @@ func (s *testDeleteRangeSuite) SetUpTest(c *C) { // ) // c.Assert(err, IsNil) - s.store = store.(*tikvStore) + s.store = store.(*KVStore) } func (s *testDeleteRangeSuite) TearDownTest(c *C) { diff --git a/store/tikv/isolation_test.go b/store/tikv/isolation_test.go index d8dd333201cde..c098ebb10b2e1 100644 --- a/store/tikv/isolation_test.go +++ b/store/tikv/isolation_test.go @@ -30,14 +30,14 @@ import ( // The test suite takes too long under the race detector. type testIsolationSuite struct { OneByOneSuite - store *tikvStore + store *KVStore } var _ = Suite(&testIsolationSuite{}) func (s *testIsolationSuite) SetUpSuite(c *C) { s.OneByOneSuite.SetUpSuite(c) - s.store = NewTestStore(c).(*tikvStore) + s.store = NewTestStore(c).(*KVStore) } func (s *testIsolationSuite) TearDownSuite(c *C) { diff --git a/store/tikv/kv.go b/store/tikv/kv.go index fde4e84a50cfa..dfd5574487fcf 100644 --- a/store/tikv/kv.go +++ b/store/tikv/kv.go @@ -46,7 +46,7 @@ import ( type storeCache struct { sync.Mutex - cache map[string]*tikvStore + cache map[string]*KVStore } var mc storeCache @@ -118,7 +118,7 @@ func (d Driver) Open(path string) (kv.Storage, error) { } coprCacheConfig := &tidbcfg.GetGlobalConfig().TiKVClient.CoprCache - s, err := newTikvStore(uuid, &codecPDClient{pdCli}, spkv, newRPCClient(security), !disableGC, coprCacheConfig) + s, err := NewKVStore(uuid, &CodecPDClient{pdCli}, spkv, NewRPCClient(security), !disableGC, coprCacheConfig) if err != nil { return nil, errors.Trace(err) } @@ -142,7 +142,8 @@ type EtcdBackend interface { // update oracle's lastTS every 2000ms. var oracleUpdateInterval = 2000 -type tikvStore struct { +// KVStore contains methods to interact with a TiKV cluster. +type KVStore struct { clusterID uint64 uuid string oracle oracle.Oracle @@ -168,14 +169,16 @@ type tikvStore struct { memCache kv.MemManager // this is used to query from memory } -func (s *tikvStore) UpdateSPCache(cachedSP uint64, cachedTime time.Time) { +// UpdateSPCache updates cached safepoint. +func (s *KVStore) UpdateSPCache(cachedSP uint64, cachedTime time.Time) { s.spMutex.Lock() s.safePoint = cachedSP s.spTime = cachedTime s.spMutex.Unlock() } -func (s *tikvStore) CheckVisibility(startTime uint64) error { +// CheckVisibility checks if it is safe to read using given ts. +func (s *KVStore) CheckVisibility(startTime uint64) error { s.spMutex.RLock() cachedSafePoint := s.safePoint cachedTime := s.spTime @@ -195,12 +198,13 @@ func (s *tikvStore) CheckVisibility(startTime uint64) error { return nil } -func newTikvStore(uuid string, pdClient pd.Client, spkv SafePointKV, client Client, enableGC bool, coprCacheConfig *config.CoprocessorCache) (*tikvStore, error) { +// NewKVStore creates a new TiKV store instance. +func NewKVStore(uuid string, pdClient pd.Client, spkv SafePointKV, client Client, enableGC bool, coprCacheConfig *config.CoprocessorCache) (*KVStore, error) { o, err := oracles.NewPdOracle(pdClient, time.Duration(oracleUpdateInterval)*time.Millisecond) if err != nil { return nil, errors.Trace(err) } - store := &tikvStore{ + store := &KVStore{ clusterID: pdClient.GetClusterID(context.TODO()), uuid: uuid, oracle: o, @@ -229,12 +233,14 @@ func newTikvStore(uuid string, pdClient pd.Client, spkv SafePointKV, client Clie return store, nil } -func (s *tikvStore) EnableTxnLocalLatches(size uint) { +// EnableTxnLocalLatches enables txn latch. It should be called before using +// the store to serve any requests. +func (s *KVStore) EnableTxnLocalLatches(size uint) { s.txnLatches = latch.NewScheduler(size) } // IsLatchEnabled is used by mockstore.TestConfig. -func (s *tikvStore) IsLatchEnabled() bool { +func (s *KVStore) IsLatchEnabled() bool { return s.txnLatches != nil } @@ -242,7 +248,8 @@ var ( ldflagGetEtcdAddrsFromConfig = "0" // 1:Yes, otherwise:No ) -func (s *tikvStore) EtcdAddrs() ([]string, error) { +// EtcdAddrs returns etcd server addresses. +func (s *KVStore) EtcdAddrs() ([]string, error) { if s.etcdAddrs == nil { return nil, nil } @@ -284,12 +291,13 @@ func (s *tikvStore) EtcdAddrs() ([]string, error) { } } -func (s *tikvStore) TLSConfig() *tls.Config { +// TLSConfig returns the tls config to connect to etcd. +func (s *KVStore) TLSConfig() *tls.Config { return s.tlsConfig } // StartGCWorker starts GC worker, it's called in BootstrapSession, don't call this function more than once. -func (s *tikvStore) StartGCWorker() error { +func (s *KVStore) StartGCWorker() error { if !s.enableGC || NewGCHandlerFunc == nil { return nil } @@ -303,7 +311,7 @@ func (s *tikvStore) StartGCWorker() error { return nil } -func (s *tikvStore) runSafePointChecker() { +func (s *KVStore) runSafePointChecker() { d := gcSafePointUpdateInterval for { select { @@ -324,11 +332,14 @@ func (s *tikvStore) runSafePointChecker() { } } -func (s *tikvStore) Begin() (kv.Transaction, error) { +// Begin a global transaction. +func (s *KVStore) Begin() (kv.Transaction, error) { return s.BeginWithTxnScope(oracle.GlobalTxnScope) } -func (s *tikvStore) BeginWithTxnScope(txnScope string) (kv.Transaction, error) { +// BeginWithTxnScope begins a transaction with the given txnScope (local or +// global) +func (s *KVStore) BeginWithTxnScope(txnScope string) (kv.Transaction, error) { txn, err := newTiKVTxn(s, txnScope) if err != nil { return nil, errors.Trace(err) @@ -337,7 +348,7 @@ func (s *tikvStore) BeginWithTxnScope(txnScope string) (kv.Transaction, error) { } // BeginWithStartTS begins a transaction with startTS. -func (s *tikvStore) BeginWithStartTS(txnScope string, startTS uint64) (kv.Transaction, error) { +func (s *KVStore) BeginWithStartTS(txnScope string, startTS uint64) (kv.Transaction, error) { txn, err := newTiKVTxnWithStartTS(s, txnScope, startTS, s.nextReplicaReadSeed()) if err != nil { return nil, errors.Trace(err) @@ -345,7 +356,8 @@ func (s *tikvStore) BeginWithStartTS(txnScope string, startTS uint64) (kv.Transa return txn, nil } -func (s *tikvStore) BeginWithExactStaleness(txnScope string, prevSec uint64) (kv.Transaction, error) { +// BeginWithExactStaleness begins transaction with given staleness +func (s *KVStore) BeginWithExactStaleness(txnScope string, prevSec uint64) (kv.Transaction, error) { txn, err := newTiKVTxnWithExactStaleness(s, txnScope, prevSec) if err != nil { return nil, errors.Trace(err) @@ -353,12 +365,15 @@ func (s *tikvStore) BeginWithExactStaleness(txnScope string, prevSec uint64) (kv return txn, nil } -func (s *tikvStore) GetSnapshot(ver kv.Version) kv.Snapshot { +// GetSnapshot gets a snapshot that is able to read any data which data is <= ver. +// if ver is MaxVersion or > current max committed version, we will use current version for this snapshot. +func (s *KVStore) GetSnapshot(ver kv.Version) kv.Snapshot { snapshot := newTiKVSnapshot(s, ver, s.nextReplicaReadSeed()) return snapshot } -func (s *tikvStore) Close() error { +// Close store +func (s *KVStore) Close() error { mc.Lock() defer mc.Unlock() @@ -388,11 +403,13 @@ func (s *tikvStore) Close() error { return nil } -func (s *tikvStore) UUID() string { +// UUID return a unique ID which represents a Storage. +func (s *KVStore) UUID() string { return s.uuid } -func (s *tikvStore) CurrentVersion(txnScope string) (kv.Version, error) { +// CurrentVersion returns current max committed version with the given txnScope (local or global). +func (s *KVStore) CurrentVersion(txnScope string) (kv.Version, error) { bo := NewBackofferWithVars(context.Background(), tsoMaxBackoff, nil) startTS, err := s.getTimestampWithRetry(bo, txnScope) if err != nil { @@ -401,9 +418,9 @@ func (s *tikvStore) CurrentVersion(txnScope string) (kv.Version, error) { return kv.NewVersion(startTS), nil } -func (s *tikvStore) getTimestampWithRetry(bo *Backoffer, txnScope string) (uint64, error) { +func (s *KVStore) getTimestampWithRetry(bo *Backoffer, txnScope string) (uint64, error) { if span := opentracing.SpanFromContext(bo.ctx); span != nil && span.Tracer() != nil { - span1 := span.Tracer().StartSpan("tikvStore.getTimestampWithRetry", opentracing.ChildOf(span.Context())) + span1 := span.Tracer().StartSpan("TiKVStore.getTimestampWithRetry", opentracing.ChildOf(span.Context())) defer span1.Finish() bo.ctx = opentracing.ContextWithSpan(bo.ctx, span1) } @@ -430,7 +447,7 @@ func (s *tikvStore) getTimestampWithRetry(bo *Backoffer, txnScope string) (uint6 } } -func (s *tikvStore) getStalenessTimestamp(bo *Backoffer, txnScope string, prevSec uint64) (uint64, error) { +func (s *KVStore) getStalenessTimestamp(bo *Backoffer, txnScope string, prevSec uint64) (uint64, error) { for { startTS, err := s.oracle.GetStaleTimestamp(bo.ctx, txnScope, prevSec) if err == nil { @@ -443,85 +460,102 @@ func (s *tikvStore) getStalenessTimestamp(bo *Backoffer, txnScope string, prevSe } } -func (s *tikvStore) nextReplicaReadSeed() uint32 { +func (s *KVStore) nextReplicaReadSeed() uint32 { return atomic.AddUint32(&s.replicaReadSeed, 1) } -func (s *tikvStore) GetClient() kv.Client { +// GetClient gets a client instance. +func (s *KVStore) GetClient() kv.Client { return &CopClient{ store: s, replicaReadSeed: s.nextReplicaReadSeed(), } } -func (s *tikvStore) GetMPPClient() kv.MPPClient { +// GetMPPClient gets a mpp client instance. +func (s *KVStore) GetMPPClient() kv.MPPClient { return &MPPClient{ store: s, } } -func (s *tikvStore) GetOracle() oracle.Oracle { +// GetOracle gets a timestamp oracle client. +func (s *KVStore) GetOracle() oracle.Oracle { return s.oracle } -func (s *tikvStore) Name() string { +// Name gets the name of the storage engine +func (s *KVStore) Name() string { return "TiKV" } -func (s *tikvStore) Describe() string { +// Describe returns of brief introduction of the storage +func (s *KVStore) Describe() string { return "TiKV is a distributed transactional key-value database" } -func (s *tikvStore) ShowStatus(ctx context.Context, key string) (interface{}, error) { +// ShowStatus returns the specified status of the storage +func (s *KVStore) ShowStatus(ctx context.Context, key string) (interface{}, error) { return nil, kv.ErrNotImplemented } -func (s *tikvStore) SupportDeleteRange() (supported bool) { +// SupportDeleteRange gets the storage support delete range or not. +func (s *KVStore) SupportDeleteRange() (supported bool) { return !s.mock } -func (s *tikvStore) SendReq(bo *Backoffer, req *tikvrpc.Request, regionID RegionVerID, timeout time.Duration) (*tikvrpc.Response, error) { +// SendReq sends a request to region. +func (s *KVStore) SendReq(bo *Backoffer, req *tikvrpc.Request, regionID RegionVerID, timeout time.Duration) (*tikvrpc.Response, error) { sender := NewRegionRequestSender(s.regionCache, s.client) return sender.SendReq(bo, req, regionID, timeout) } -func (s *tikvStore) GetRegionCache() *RegionCache { +// GetRegionCache returns the region cache instance. +func (s *KVStore) GetRegionCache() *RegionCache { return s.regionCache } -func (s *tikvStore) GetLockResolver() *LockResolver { +// GetLockResolver returns the lock resolver instance. +func (s *KVStore) GetLockResolver() *LockResolver { return s.lockResolver } -func (s *tikvStore) GetGCHandler() GCHandler { +// GetGCHandler returns the GC worker instance. +func (s *KVStore) GetGCHandler() GCHandler { return s.gcWorker } -func (s *tikvStore) Closed() <-chan struct{} { +// Closed returns a channel that indicates if the store is closed. +func (s *KVStore) Closed() <-chan struct{} { return s.closed } -func (s *tikvStore) GetSafePointKV() SafePointKV { +// GetSafePointKV returns the kv store that used for safepoint. +func (s *KVStore) GetSafePointKV() SafePointKV { return s.kv } -func (s *tikvStore) SetOracle(oracle oracle.Oracle) { +// SetOracle resets the oracle instance. +func (s *KVStore) SetOracle(oracle oracle.Oracle) { s.oracle = oracle } -func (s *tikvStore) SetTiKVClient(client Client) { +// SetTiKVClient resets the client instance. +func (s *KVStore) SetTiKVClient(client Client) { s.client = client } -func (s *tikvStore) GetTiKVClient() (client Client) { +// GetTiKVClient gets the client instance. +func (s *KVStore) GetTiKVClient() (client Client) { return s.client } -func (s *tikvStore) GetMemCache() kv.MemManager { +// GetMemCache return memory mamager of the storage +func (s *KVStore) GetMemCache() kv.MemManager { return s.memCache } func init() { - mc.cache = make(map[string]*tikvStore) + mc.cache = make(map[string]*KVStore) rand.Seed(time.Now().UnixNano()) } diff --git a/store/tikv/lock_resolver.go b/store/tikv/lock_resolver.go index 079ac0733cadb..19175314cc1e7 100644 --- a/store/tikv/lock_resolver.go +++ b/store/tikv/lock_resolver.go @@ -110,7 +110,7 @@ func NewLockResolver(etcdAddrs []string, security config.Security, opts ...pd.Cl return nil, errors.Trace(err) } - s, err := newTikvStore(uuid, &codecPDClient{pdCli}, spkv, newRPCClient(security), false, nil) + s, err := NewKVStore(uuid, &CodecPDClient{pdCli}, spkv, NewRPCClient(security), false, nil) if err != nil { return nil, errors.Trace(err) } diff --git a/store/tikv/lock_test.go b/store/tikv/lock_test.go index cfaa57e33218f..d7f21ffce0827 100644 --- a/store/tikv/lock_test.go +++ b/store/tikv/lock_test.go @@ -35,13 +35,13 @@ import ( type testLockSuite struct { OneByOneSuite - store *tikvStore + store *KVStore } var _ = Suite(&testLockSuite{}) func (s *testLockSuite) SetUpTest(c *C) { - s.store = NewTestStore(c).(*tikvStore) + s.store = NewTestStore(c).(*KVStore) } func (s *testLockSuite) TearDownTest(c *C) { diff --git a/store/tikv/mpp.go b/store/tikv/mpp.go index 73bfb64d1fc35..48b378c6259da 100644 --- a/store/tikv/mpp.go +++ b/store/tikv/mpp.go @@ -33,7 +33,7 @@ import ( // MPPClient servers MPP requests. type MPPClient struct { - store *tikvStore + store *KVStore } // GetAddress returns the network address. @@ -117,7 +117,7 @@ func (m *mppResponse) RespTime() time.Duration { } type mppIterator struct { - store *tikvStore + store *KVStore tasks []*kv.MPPDispatchRequest finishCh chan struct{} diff --git a/store/tikv/pd_codec.go b/store/tikv/pd_codec.go index 1f29cf38c6c1a..7962080ce8055 100644 --- a/store/tikv/pd_codec.go +++ b/store/tikv/pd_codec.go @@ -22,19 +22,22 @@ import ( pd "github.com/tikv/pd/client" ) -type codecPDClient struct { +// CodecPDClient wraps a PD Client to decode the encoded keys in region meta. +type CodecPDClient struct { pd.Client } // GetRegion encodes the key before send requests to pd-server and decodes the // returned StartKey && EndKey from pd-server. -func (c *codecPDClient) GetRegion(ctx context.Context, key []byte) (*pd.Region, error) { +func (c *CodecPDClient) GetRegion(ctx context.Context, key []byte) (*pd.Region, error) { encodedKey := codec.EncodeBytes([]byte(nil), key) region, err := c.Client.GetRegion(ctx, encodedKey) return processRegionResult(region, err) } -func (c *codecPDClient) GetPrevRegion(ctx context.Context, key []byte) (*pd.Region, error) { +// GetPrevRegion encodes the key before send requests to pd-server and decodes the +// returned StartKey && EndKey from pd-server. +func (c *CodecPDClient) GetPrevRegion(ctx context.Context, key []byte) (*pd.Region, error) { encodedKey := codec.EncodeBytes([]byte(nil), key) region, err := c.Client.GetPrevRegion(ctx, encodedKey) return processRegionResult(region, err) @@ -42,12 +45,14 @@ func (c *codecPDClient) GetPrevRegion(ctx context.Context, key []byte) (*pd.Regi // GetRegionByID encodes the key before send requests to pd-server and decodes the // returned StartKey && EndKey from pd-server. -func (c *codecPDClient) GetRegionByID(ctx context.Context, regionID uint64) (*pd.Region, error) { +func (c *CodecPDClient) GetRegionByID(ctx context.Context, regionID uint64) (*pd.Region, error) { region, err := c.Client.GetRegionByID(ctx, regionID) return processRegionResult(region, err) } -func (c *codecPDClient) ScanRegions(ctx context.Context, startKey []byte, endKey []byte, limit int) ([]*pd.Region, error) { +// ScanRegions encodes the key before send requests to pd-server and decodes the +// returned StartKey && EndKey from pd-server. +func (c *CodecPDClient) ScanRegions(ctx context.Context, startKey []byte, endKey []byte, limit int) ([]*pd.Region, error) { startKey = codec.EncodeBytes([]byte(nil), startKey) if len(endKey) > 0 { endKey = codec.EncodeBytes([]byte(nil), endKey) diff --git a/store/tikv/prewrite_test.go b/store/tikv/prewrite_test.go index 48336eeb8cfab..7a8befdc01d63 100644 --- a/store/tikv/prewrite_test.go +++ b/store/tikv/prewrite_test.go @@ -20,7 +20,7 @@ import ( ) type testPrewriteSuite struct { - store *tikvStore + store *KVStore } var _ = Suite(&testPrewriteSuite{}) @@ -31,7 +31,7 @@ func (s *testPrewriteSuite) SetUpTest(c *C) { unistore.BootstrapWithSingleStore(cluster) store, err := NewTestTiKVStore(client, pdClient, nil, nil, 0) c.Assert(err, IsNil) - s.store = store.(*tikvStore) + s.store = store.(*KVStore) } func (s *testPrewriteSuite) TestSetMinCommitTSInAsyncCommit(c *C) { diff --git a/store/tikv/range_task_test.go b/store/tikv/range_task_test.go index e72e148fce1db..a0abc203e73b5 100644 --- a/store/tikv/range_task_test.go +++ b/store/tikv/range_task_test.go @@ -28,7 +28,7 @@ import ( type testRangeTaskSuite struct { OneByOneSuite cluster cluster.Cluster - store *tikvStore + store *KVStore testRanges []kv.KeyRange expectedRanges [][]kv.KeyRange @@ -77,7 +77,7 @@ func (s *testRangeTaskSuite) SetUpTest(c *C) { // }), // ) // c.Assert(err, IsNil) - s.store = store.(*tikvStore) + s.store = store.(*KVStore) s.testRanges = []kv.KeyRange{ makeRange("", ""), diff --git a/store/tikv/rawkv.go b/store/tikv/rawkv.go index 5542df6ec8738..72fbd3a408b93 100644 --- a/store/tikv/rawkv.go +++ b/store/tikv/rawkv.go @@ -76,7 +76,7 @@ func NewRawKVClient(pdAddrs []string, security config.Security, opts ...pd.Clien clusterID: pdCli.GetClusterID(context.TODO()), regionCache: NewRegionCache(pdCli), pdClient: pdCli, - rpcClient: newRPCClient(security), + rpcClient: NewRPCClient(security), }, nil } diff --git a/store/tikv/region_cache.go b/store/tikv/region_cache.go index 99028a58161b9..9d9f0895e8cf3 100644 --- a/store/tikv/region_cache.go +++ b/store/tikv/region_cache.go @@ -1227,7 +1227,7 @@ func (c *RegionCache) OnRegionEpochNotMatch(bo *Backoffer, ctx *RPCContext, curr needInvalidateOld := true // If the region epoch is not ahead of TiKV's, replace region meta in region cache. for _, meta := range currentRegions { - if _, ok := c.pdClient.(*codecPDClient); ok { + if _, ok := c.pdClient.(*CodecPDClient); ok { var err error if meta, err = decodeRegionMetaKeyWithShallowCopy(meta); err != nil { return errors.Errorf("newRegion's range key is not encoded: %v, %v", meta, err) diff --git a/store/tikv/region_cache_test.go b/store/tikv/region_cache_test.go index d6ccf125b2332..3fd8119453d19 100644 --- a/store/tikv/region_cache_test.go +++ b/store/tikv/region_cache_test.go @@ -53,7 +53,7 @@ func (s *testRegionCacheSuite) SetUpTest(c *C) { s.store2 = storeIDs[1] s.peer1 = peerIDs[0] s.peer2 = peerIDs[1] - pdCli := &codecPDClient{mocktikv.NewPDClient(s.cluster)} + pdCli := &CodecPDClient{mocktikv.NewPDClient(s.cluster)} s.cache = NewRegionCache(pdCli) s.bo = NewBackofferWithVars(context.Background(), 5000, nil) } @@ -781,7 +781,7 @@ func (s *testRegionCacheSuite) TestReconnect(c *C) { func (s *testRegionCacheSuite) TestRegionEpochAheadOfTiKV(c *C) { // Create a separated region cache to do this test. - pdCli := &codecPDClient{mocktikv.NewPDClient(s.cluster)} + pdCli := &CodecPDClient{mocktikv.NewPDClient(s.cluster)} cache := NewRegionCache(pdCli) defer cache.Close() diff --git a/store/tikv/region_request_test.go b/store/tikv/region_request_test.go index 534f68cca73d8..555049d18242a 100644 --- a/store/tikv/region_request_test.go +++ b/store/tikv/region_request_test.go @@ -65,7 +65,7 @@ var _ = Suite(&testRegionRequestToThreeStoresSuite{}) func (s *testRegionRequestToSingleStoreSuite) SetUpTest(c *C) { s.cluster = mocktikv.NewCluster(mocktikv.MustNewMVCCStore()) s.store, s.peer, s.region = mocktikv.BootstrapWithSingleStore(s.cluster) - pdCli := &codecPDClient{mocktikv.NewPDClient(s.cluster)} + pdCli := &CodecPDClient{mocktikv.NewPDClient(s.cluster)} s.cache = NewRegionCache(pdCli) s.bo = NewNoopBackoff(context.Background()) s.mvccStore = mocktikv.MustNewMVCCStore() @@ -76,7 +76,7 @@ func (s *testRegionRequestToSingleStoreSuite) SetUpTest(c *C) { func (s *testRegionRequestToThreeStoresSuite) SetUpTest(c *C) { s.cluster = mocktikv.NewCluster(mocktikv.MustNewMVCCStore()) s.storeIDs, s.peerIDs, s.regionID, s.leaderPeer = mocktikv.BootstrapWithMultiStores(s.cluster, 3) - pdCli := &codecPDClient{mocktikv.NewPDClient(s.cluster)} + pdCli := &CodecPDClient{mocktikv.NewPDClient(s.cluster)} s.cache = NewRegionCache(pdCli) s.bo = NewNoopBackoff(context.Background()) s.mvccStore = mocktikv.MustNewMVCCStore() @@ -507,7 +507,7 @@ func (s *testRegionRequestToSingleStoreSuite) TestNoReloadRegionForGrpcWhenCtxCa wg.Done() }() - client := newRPCClient(config.Security{}) + client := NewRPCClient(config.Security{}) sender := NewRegionRequestSender(s.cache, client) req := tikvrpc.NewRequest(tikvrpc.CmdRawPut, &kvrpcpb.RawPutRequest{ Key: []byte("key"), @@ -524,7 +524,7 @@ func (s *testRegionRequestToSingleStoreSuite) TestNoReloadRegionForGrpcWhenCtxCa // Just for covering error code = codes.Canceled. client1 := &cancelContextClient{ - Client: newRPCClient(config.Security{}), + Client: NewRPCClient(config.Security{}), redirectAddr: addr, } sender = NewRegionRequestSender(s.cache, client1) diff --git a/store/tikv/safepoint_test.go b/store/tikv/safepoint_test.go index e61a2c7ff20e6..2c9227159e10f 100644 --- a/store/tikv/safepoint_test.go +++ b/store/tikv/safepoint_test.go @@ -26,7 +26,7 @@ import ( type testSafePointSuite struct { OneByOneSuite - store *tikvStore + store *KVStore prefix string } @@ -34,7 +34,7 @@ var _ = Suite(&testSafePointSuite{}) func (s *testSafePointSuite) SetUpSuite(c *C) { s.OneByOneSuite.SetUpSuite(c) - s.store = NewTestStore(c).(*tikvStore) + s.store = NewTestStore(c).(*KVStore) s.prefix = fmt.Sprintf("seek_%d", time.Now().Unix()) } diff --git a/store/tikv/scan_mock_test.go b/store/tikv/scan_mock_test.go index f7f2628d63e61..da965eb0c92e9 100644 --- a/store/tikv/scan_mock_test.go +++ b/store/tikv/scan_mock_test.go @@ -27,7 +27,7 @@ type testScanMockSuite struct { var _ = Suite(&testScanMockSuite{}) func (s *testScanMockSuite) TestScanMultipleRegions(c *C) { - store := NewTestStore(c).(*tikvStore) + store := NewTestStore(c).(*KVStore) defer store.Close() txn, err := store.Begin() @@ -60,7 +60,7 @@ func (s *testScanMockSuite) TestScanMultipleRegions(c *C) { } func (s *testScanMockSuite) TestReverseScan(c *C) { - store := NewTestStore(c).(*tikvStore) + store := NewTestStore(c).(*KVStore) defer store.Close() txn, err := store.Begin() diff --git a/store/tikv/scan_test.go b/store/tikv/scan_test.go index 1e77240bbf821..edb03c39e78e5 100644 --- a/store/tikv/scan_test.go +++ b/store/tikv/scan_test.go @@ -29,7 +29,7 @@ import ( type testScanSuite struct { OneByOneSuite - store *tikvStore + store *KVStore recordPrefix []byte rowNums []int ctx context.Context @@ -39,7 +39,7 @@ var _ = SerialSuites(&testScanSuite{}) func (s *testScanSuite) SetUpSuite(c *C) { s.OneByOneSuite.SetUpSuite(c) - s.store = NewTestStore(c).(*tikvStore) + s.store = NewTestStore(c).(*KVStore) s.recordPrefix = tablecodec.GenTableRecordPrefix(1) s.rowNums = append(s.rowNums, 1, scanBatchSize, scanBatchSize+1, scanBatchSize*3) // Avoid using async commit logic. diff --git a/store/tikv/snapshot.go b/store/tikv/snapshot.go index 28bbabd1b2f20..f4221048b1ea6 100644 --- a/store/tikv/snapshot.go +++ b/store/tikv/snapshot.go @@ -53,7 +53,7 @@ var ( // tikvSnapshot implements the kv.Snapshot interface. type tikvSnapshot struct { - store *tikvStore + store *KVStore version kv.Version isolationLevel kv.IsoLevel priority pb.CommandPri @@ -84,7 +84,7 @@ type tikvSnapshot struct { } // newTiKVSnapshot creates a snapshot of an TiKV store. -func newTiKVSnapshot(store *tikvStore, ver kv.Version, replicaReadSeed uint32) *tikvSnapshot { +func newTiKVSnapshot(store *KVStore, ver kv.Version, replicaReadSeed uint32) *tikvSnapshot { // Sanity check for snapshot version. if ver.Ver >= math.MaxInt64 && ver.Ver != math.MaxUint64 { err := errors.Errorf("try to get snapshot with a large ts %d", ver.Ver) diff --git a/store/tikv/snapshot_fail_test.go b/store/tikv/snapshot_fail_test.go index 2ee4048b84085..0fc4196973d68 100644 --- a/store/tikv/snapshot_fail_test.go +++ b/store/tikv/snapshot_fail_test.go @@ -24,7 +24,7 @@ import ( type testSnapshotFailSuite struct { OneByOneSuite - store *tikvStore + store *KVStore } var _ = SerialSuites(&testSnapshotFailSuite{}) @@ -36,7 +36,7 @@ func (s *testSnapshotFailSuite) SetUpSuite(c *C) { unistore.BootstrapWithSingleStore(cluster) store, err := NewTestTiKVStore(client, pdClient, nil, nil, 0) c.Assert(err, IsNil) - s.store = store.(*tikvStore) + s.store = store.(*KVStore) } func (s *testSnapshotFailSuite) TearDownSuite(c *C) { diff --git a/store/tikv/snapshot_test.go b/store/tikv/snapshot_test.go index 5d610bb2d7d5f..f8e859647f2f5 100644 --- a/store/tikv/snapshot_test.go +++ b/store/tikv/snapshot_test.go @@ -31,7 +31,7 @@ import ( type testSnapshotSuite struct { OneByOneSuite - store *tikvStore + store *KVStore prefix string rowNums []int } @@ -40,7 +40,7 @@ var _ = Suite(&testSnapshotSuite{}) func (s *testSnapshotSuite) SetUpSuite(c *C) { s.OneByOneSuite.SetUpSuite(c) - s.store = NewTestStore(c).(*tikvStore) + s.store = NewTestStore(c).(*KVStore) s.prefix = fmt.Sprintf("snapshot_%d", time.Now().Unix()) s.rowNums = append(s.rowNums, 1, 100, 191) } diff --git a/store/tikv/split_region.go b/store/tikv/split_region.go index 3caa77d4bce42..0357e55a26a4a 100644 --- a/store/tikv/split_region.go +++ b/store/tikv/split_region.go @@ -38,7 +38,7 @@ func equalRegionStartKey(key, regionStartKey []byte) bool { return bytes.Equal(key, regionStartKey) } -func (s *tikvStore) splitBatchRegionsReq(bo *Backoffer, keys [][]byte, scatter bool, tableID *int64) (*tikvrpc.Response, error) { +func (s *KVStore) splitBatchRegionsReq(bo *Backoffer, keys [][]byte, scatter bool, tableID *int64) (*tikvrpc.Response, error) { // equalRegionStartKey is used to filter split keys. // If the split key is equal to the start key of the region, then the key has been split, we need to skip the split key. groups, _, err := s.regionCache.GroupKeysByRegion(bo, keys, equalRegionStartKey) @@ -106,7 +106,7 @@ func (s *tikvStore) splitBatchRegionsReq(bo *Backoffer, keys [][]byte, scatter b return &tikvrpc.Response{Resp: srResp}, errors.Trace(err) } -func (s *tikvStore) batchSendSingleRegion(bo *Backoffer, batch batch, scatter bool, tableID *int64) singleBatchResp { +func (s *KVStore) batchSendSingleRegion(bo *Backoffer, batch batch, scatter bool, tableID *int64) singleBatchResp { if val, err := MockSplitRegionTimeout.Eval(); err == nil { if val.(bool) { if _, ok := bo.ctx.Deadline(); ok { @@ -192,7 +192,7 @@ func (s *tikvStore) batchSendSingleRegion(bo *Backoffer, batch batch, scatter bo } // SplitRegions splits regions by splitKeys. -func (s *tikvStore) SplitRegions(ctx context.Context, splitKeys [][]byte, scatter bool, tableID *int64) (regionIDs []uint64, err error) { +func (s *KVStore) SplitRegions(ctx context.Context, splitKeys [][]byte, scatter bool, tableID *int64) (regionIDs []uint64, err error) { bo := NewBackofferWithVars(ctx, int(math.Min(float64(len(splitKeys))*splitRegionBackoff, maxSplitRegionsBackoff)), nil) resp, err := s.splitBatchRegionsReq(bo, splitKeys, scatter, tableID) regionIDs = make([]uint64, 0, len(splitKeys)) @@ -206,7 +206,7 @@ func (s *tikvStore) SplitRegions(ctx context.Context, splitKeys [][]byte, scatte return regionIDs, errors.Trace(err) } -func (s *tikvStore) scatterRegion(bo *Backoffer, regionID uint64, tableID *int64) error { +func (s *KVStore) scatterRegion(bo *Backoffer, regionID uint64, tableID *int64) error { logutil.BgLogger().Info("start scatter region", zap.Uint64("regionID", regionID)) for { @@ -235,7 +235,7 @@ func (s *tikvStore) scatterRegion(bo *Backoffer, regionID uint64, tableID *int64 return nil } -func (s *tikvStore) preSplitRegion(ctx context.Context, group groupedMutations) bool { +func (s *KVStore) preSplitRegion(ctx context.Context, group groupedMutations) bool { splitKeys := make([][]byte, 0, 4) preSplitSizeThresholdVal := atomic.LoadUint32(&preSplitSizeThreshold) @@ -275,7 +275,7 @@ func (s *tikvStore) preSplitRegion(ctx context.Context, group groupedMutations) // WaitScatterRegionFinish implements SplittableStore interface. // backOff is the back off time of the wait scatter region.(Milliseconds) // if backOff <= 0, the default wait scatter back off time will be used. -func (s *tikvStore) WaitScatterRegionFinish(ctx context.Context, regionID uint64, backOff int) error { +func (s *KVStore) WaitScatterRegionFinish(ctx context.Context, regionID uint64, backOff int) error { if backOff <= 0 { backOff = waitScatterRegionFinishBackoff } @@ -320,7 +320,7 @@ func (s *tikvStore) WaitScatterRegionFinish(ctx context.Context, regionID uint64 } // CheckRegionInScattering uses to check whether scatter region finished. -func (s *tikvStore) CheckRegionInScattering(regionID uint64) (bool, error) { +func (s *KVStore) CheckRegionInScattering(regionID uint64) (bool, error) { bo := NewBackofferWithVars(context.Background(), locateRegionMaxBackoff, nil) for { resp, err := s.pdClient.GetOperator(context.Background(), regionID) diff --git a/store/tikv/split_test.go b/store/tikv/split_test.go index 07225f2307359..33428ae6ebca1 100644 --- a/store/tikv/split_test.go +++ b/store/tikv/split_test.go @@ -25,7 +25,7 @@ import ( type testSplitSuite struct { OneByOneSuite cluster cluster.Cluster - store *tikvStore + store *KVStore bo *Backoffer } @@ -47,7 +47,7 @@ func (s *testSplitSuite) SetUpTest(c *C) { // }), // ) // c.Assert(err, IsNil) - s.store = store.(*tikvStore) + s.store = store.(*KVStore) s.bo = NewBackofferWithVars(context.Background(), 5000, nil) } diff --git a/store/tikv/store_test.go b/store/tikv/store_test.go index 394c93782aa99..a044615c23874 100644 --- a/store/tikv/store_test.go +++ b/store/tikv/store_test.go @@ -43,14 +43,14 @@ type testStoreSerialSuite struct { type testStoreSuiteBase struct { OneByOneSuite - store *tikvStore + store *KVStore } var _ = Suite(&testStoreSuite{}) var _ = SerialSuites(&testStoreSerialSuite{}) func (s *testStoreSuiteBase) SetUpTest(c *C) { - s.store = NewTestStore(c).(*tikvStore) + s.store = NewTestStore(c).(*KVStore) } func (s *testStoreSuiteBase) TearDownTest(c *C) { diff --git a/store/tikv/test_util.go b/store/tikv/test_util.go index fe1409683b21b..69ce6e89861a0 100644 --- a/store/tikv/test_util.go +++ b/store/tikv/test_util.go @@ -27,7 +27,7 @@ func NewTestTiKVStore(client Client, pdClient pd.Client, clientHijack func(Clien client = clientHijack(client) } - pdCli := pd.Client(&codecPDClient{pdClient}) + pdCli := pd.Client(&CodecPDClient{pdClient}) if pdClientHijack != nil { pdCli = pdClientHijack(pdCli) } @@ -35,7 +35,7 @@ func NewTestTiKVStore(client Client, pdClient pd.Client, clientHijack func(Clien // Make sure the uuid is unique. uid := uuid.New().String() spkv := NewMockSafePointKV() - tikvStore, err := newTikvStore(uid, pdCli, spkv, client, false, &config.GetGlobalConfig().TiKVClient.CoprCache) + tikvStore, err := NewKVStore(uid, pdCli, spkv, client, false, &config.GetGlobalConfig().TiKVClient.CoprCache) if txnLocalLatches > 0 { tikvStore.EnableTxnLocalLatches(txnLocalLatches) diff --git a/store/tikv/ticlient_test.go b/store/tikv/ticlient_test.go index f5e7ec21b4e99..2c395d513cf5c 100644 --- a/store/tikv/ticlient_test.go +++ b/store/tikv/ticlient_test.go @@ -75,7 +75,7 @@ func clearStorage(store kv.Storage) error { type testTiclientSuite struct { OneByOneSuite - store *tikvStore + store *KVStore // prefix is prefix of each key in this test. It is used for table isolation, // or it may pollute other data. prefix string @@ -85,7 +85,7 @@ var _ = Suite(&testTiclientSuite{}) func (s *testTiclientSuite) SetUpSuite(c *C) { s.OneByOneSuite.SetUpSuite(c) - s.store = NewTestStore(c).(*tikvStore) + s.store = NewTestStore(c).(*KVStore) s.prefix = fmt.Sprintf("ticlient_%d", time.Now().Unix()) } diff --git a/store/tikv/txn.go b/store/tikv/txn.go index 0b33aec3613ff..f1065b66cfd6c 100644 --- a/store/tikv/txn.go +++ b/store/tikv/txn.go @@ -60,7 +60,7 @@ type SchemaAmender interface { type tikvTxn struct { snapshot *tikvSnapshot us kv.UnionStore - store *tikvStore // for connection to region. + store *KVStore // for connection to region. startTS uint64 startTime time.Time // Monotonic timestamp for recording txn time consuming. commitTS uint64 @@ -88,7 +88,7 @@ type tikvTxn struct { commitCallback func(info kv.TxnInfo, err error) } -func newTiKVTxn(store *tikvStore, txnScope string) (*tikvTxn, error) { +func newTiKVTxn(store *KVStore, txnScope string) (*tikvTxn, error) { bo := NewBackofferWithVars(context.Background(), tsoMaxBackoff, nil) startTS, err := store.getTimestampWithRetry(bo, txnScope) if err != nil { @@ -98,7 +98,7 @@ func newTiKVTxn(store *tikvStore, txnScope string) (*tikvTxn, error) { } // newTiKVTxnWithStartTS creates a txn with startTS. -func newTiKVTxnWithStartTS(store *tikvStore, txnScope string, startTS uint64, replicaReadSeed uint32) (*tikvTxn, error) { +func newTiKVTxnWithStartTS(store *KVStore, txnScope string, startTS uint64, replicaReadSeed uint32) (*tikvTxn, error) { ver := kv.NewVersion(startTS) snapshot := newTiKVSnapshot(store, ver, replicaReadSeed) newTiKVTxn := &tikvTxn{ @@ -114,7 +114,7 @@ func newTiKVTxnWithStartTS(store *tikvStore, txnScope string, startTS uint64, re return newTiKVTxn, nil } -func newTiKVTxnWithExactStaleness(store *tikvStore, txnScope string, prevSec uint64) (*tikvTxn, error) { +func newTiKVTxnWithExactStaleness(store *KVStore, txnScope string, prevSec uint64) (*tikvTxn, error) { bo := NewBackofferWithVars(context.Background(), tsoMaxBackoff, nil) startTS, err := store.getStalenessTimestamp(bo, txnScope, prevSec) if err != nil { From 85a96694b030074961833efbc2ad4341eb4ff2ba Mon Sep 17 00:00:00 2001 From: Shirly Date: Mon, 1 Feb 2021 18:08:47 +0800 Subject: [PATCH 0745/1021] store/tikv:remove tidb/config from store/tikv (#22606) Signed-off-by: shirly --- config/config.go | 120 +++++++++++--------------- config/config_test.go | 13 --- store/mockstore/tikv_test.go | 7 +- store/tikv/2pc.go | 10 +-- store/tikv/2pc_test.go | 25 ++++-- store/tikv/client.go | 9 +- store/tikv/client_test.go | 7 +- store/tikv/config/config.go | 144 +++++++++++++++++++++++++++++++ store/tikv/config/config_test.go | 33 +++++++ store/tikv/kv.go | 17 ++-- store/tikv/prewrite.go | 2 +- store/tikv/region_cache.go | 2 +- store/tikv/test_util.go | 2 +- 13 files changed, 274 insertions(+), 117 deletions(-) create mode 100644 store/tikv/config/config.go create mode 100644 store/tikv/config/config_test.go diff --git a/config/config.go b/config/config.go index 8766c88b2c132..b5c8b33527f34 100644 --- a/config/config.go +++ b/config/config.go @@ -17,7 +17,6 @@ import ( "encoding/base64" "encoding/json" "fmt" - "net/url" "os" "os/user" "path/filepath" @@ -66,8 +65,6 @@ const ( DefMaxOfTableColumnCountLimit = 4096 // DefTxnScope is the default value for TxnScope DefTxnScope = "global" - // DefStoresRefreshInterval is the default value of StoresRefreshInterval - DefStoresRefreshInterval = 60 ) // Valid config maps @@ -104,10 +101,10 @@ type Config struct { MemQuotaQuery int64 `toml:"mem-quota-query" json:"mem-quota-query"` // TempStorageQuota describe the temporary storage Quota during query exector when OOMUseTmpStorage is enabled // If the quota exceed the capacity of the TempStoragePath, the tidb-server would exit with fatal error - TempStorageQuota int64 `toml:"tmp-storage-quota" json:"tmp-storage-quota"` // Bytes - EnableStreaming bool `toml:"enable-streaming" json:"enable-streaming"` - EnableBatchDML bool `toml:"enable-batch-dml" json:"enable-batch-dml"` - TxnLocalLatches TxnLocalLatches `toml:"-" json:"-"` + TempStorageQuota int64 `toml:"tmp-storage-quota" json:"tmp-storage-quota"` // Bytes + EnableStreaming bool `toml:"enable-streaming" json:"enable-streaming"` + EnableBatchDML bool `toml:"enable-batch-dml" json:"enable-batch-dml"` + TxnLocalLatches tikvcfg.TxnLocalLatches `toml:"-" json:"-"` // Set sys variable lower-case-table-names, ref: https://dev.mysql.com/doc/refman/5.7/en/identifier-case-sensitivity.html. // TODO: We actually only support mode 2, which keeps the original case, but the comparison is case-insensitive. LowerCaseTableNames int `toml:"lower-case-table-names" json:"lower-case-table-names"` @@ -119,7 +116,7 @@ type Config struct { PreparedPlanCache PreparedPlanCache `toml:"prepared-plan-cache" json:"prepared-plan-cache"` OpenTracing OpenTracing `toml:"opentracing" json:"opentracing"` ProxyProtocol ProxyProtocol `toml:"proxy-protocol" json:"proxy-protocol"` - PDClient PDClient `toml:"pd-client" json:"pd-client"` + PDClient tikvcfg.PDClient `toml:"pd-client" json:"pd-client"` TiKVClient tikvcfg.TiKVClient `toml:"tikv-client" json:"tikv-client"` Binlog Binlog `toml:"binlog" json:"binlog"` CompatibleKillQuery bool `toml:"compatible-kill-query" json:"compatible-kill-query"` @@ -193,6 +190,22 @@ func (c *Config) UpdateTempStoragePath() { } } +func (c *Config) getTiKVConfig() *tikvcfg.Config { + return &tikvcfg.Config{ + CommitterConcurrency: c.Performance.CommitterConcurrency, + MaxTxnTTL: c.Performance.MaxTxnTTL, + ServerMemoryQuota: defTiKVCfg.ServerMemoryQuota, + TiKVClient: c.TiKVClient, + Security: c.Security.ClusterSecurity(), + PDClient: c.PDClient, + PessimisticTxn: tikvcfg.PessimisticTxn{MaxRetryCount: c.PessimisticTxn.MaxRetryCount}, + TxnLocalLatches: c.TxnLocalLatches, + StoresRefreshInterval: c.StoresRefreshInterval, + OpenTracingEnable: c.OpenTracing.Enable, + Path: c.Path, + } +} + func encodeDefTempStorageDir(tempDir string, host, statusHost string, port, statusPort uint) string { dirName := base64.URLEncoding.EncodeToString([]byte(fmt.Sprintf("%v:%v/%v:%v", host, port, statusHost, statusPort))) var osUID string @@ -413,12 +426,6 @@ type PlanCache struct { Shards uint `toml:"shards" json:"shards"` } -// TxnLocalLatches is the TxnLocalLatches section of the config. -type TxnLocalLatches struct { - Enabled bool `toml:"-" json:"-"` - Capacity uint `toml:"-" json:"-"` -} - // PreparedPlanCache is the PreparedPlanCache section of the config. type PreparedPlanCache struct { Enabled bool `toml:"enabled" json:"enabled"` @@ -463,12 +470,6 @@ type ProxyProtocol struct { HeaderTimeout uint `toml:"header-timeout" json:"header-timeout"` } -// PDClient is the config for PD client. -type PDClient struct { - // PDServerTimeout is the max time which PD client will wait for the PD server in seconds. - PDServerTimeout uint `toml:"pd-server-timeout" json:"pd-server-timeout"` -} - // Binlog is the config for binlog. type Binlog struct { Enable bool `toml:"enable" json:"enable"` @@ -482,18 +483,25 @@ type Binlog struct { Strategy string `toml:"strategy" json:"strategy"` } -// Plugin is the config for plugin -type Plugin struct { - Dir string `toml:"dir" json:"dir"` - Load string `toml:"load" json:"load"` -} - // PessimisticTxn is the config for pessimistic transaction. type PessimisticTxn struct { // The max count of retry for a single statement in a pessimistic transaction. MaxRetryCount uint `toml:"max-retry-count" json:"max-retry-count"` } +// DefaultPessimisticTxn returns the default configuration for PessimisticTxn +func DefaultPessimisticTxn() PessimisticTxn { + return PessimisticTxn{ + MaxRetryCount: 256, + } +} + +// Plugin is the config for plugin +type Plugin struct { + Dir string `toml:"dir" json:"dir"` + Load string `toml:"load" json:"load"` +} + // StmtSummary is the config for statement summary. type StmtSummary struct { // Enable statement summary or not. @@ -525,6 +533,7 @@ type Experimental struct { EnableGlobalKill bool `toml:"enable-global-kill" json:"enable-global-kill"` } +var defTiKVCfg = tikvcfg.DefaultConfig() var defaultConf = Config{ Host: DefHost, AdvertiseAddress: "", @@ -555,13 +564,10 @@ var defaultConf = Config{ RepairMode: false, RepairTableList: []string{}, MaxServerConnections: 0, - TxnLocalLatches: TxnLocalLatches{ - Enabled: false, - Capacity: 0, - }, - LowerCaseTableNames: 2, - GracefulWaitBeforeShutdown: 0, - ServerVersion: "", + TxnLocalLatches: defTiKVCfg.TxnLocalLatches, + LowerCaseTableNames: 2, + GracefulWaitBeforeShutdown: 0, + ServerVersion: "", Log: Log{ Level: "info", Format: "text", @@ -601,8 +607,8 @@ var defaultConf = Config{ TxnEntrySizeLimit: DefTxnEntrySizeLimit, TxnTotalSizeLimit: DefTxnTotalSizeLimit, DistinctAggPushDown: false, - CommitterConcurrency: 16, - MaxTxnTTL: 60 * 60 * 1000, // 1hour + CommitterConcurrency: defTiKVCfg.CommitterConcurrency, + MaxTxnTTL: defTiKVCfg.MaxTxnTTL, // 1hour MemProfileInterval: "1m", // TODO: set indexUsageSyncLease to 60s. IndexUsageSyncLease: "0s", @@ -625,17 +631,13 @@ var defaultConf = Config{ }, Reporter: OpenTracingReporter{}, }, - PDClient: PDClient{ - PDServerTimeout: 3, - }, - TiKVClient: tikvcfg.DefaultTiKVClient(), + PDClient: defTiKVCfg.PDClient, + TiKVClient: defTiKVCfg.TiKVClient, Binlog: Binlog{ WriteTimeout: "15s", Strategy: "range", }, - PessimisticTxn: PessimisticTxn{ - MaxRetryCount: 256, - }, + PessimisticTxn: DefaultPessimisticTxn(), StmtSummary: StmtSummary{ Enable: true, EnableInternalQuery: false, @@ -661,7 +663,7 @@ var defaultConf = Config{ DeprecateIntegerDisplayWidth: false, TxnScope: DefTxnScope, EnableEnumLengthLimit: true, - StoresRefreshInterval: DefStoresRefreshInterval, + StoresRefreshInterval: defTiKVCfg.StoresRefreshInterval, } var ( @@ -684,6 +686,8 @@ func GetGlobalConfig() *Config { // StoreGlobalConfig stores a new config to the globalConf. It mostly uses in the test to avoid some data races. func StoreGlobalConfig(config *Config) { globalConf.Store(config) + cfg := *config.getTiKVConfig() + tikvcfg.StoreGlobalConfig(&cfg) } var deprecatedConfig = map[string]struct{}{ @@ -844,8 +848,9 @@ func (c *Config) Valid() error { return fmt.Errorf("lower-case-table-names should be 0 or 1 or 2") } - if c.TxnLocalLatches.Enabled && c.TxnLocalLatches.Capacity == 0 { - return fmt.Errorf("txn-local-latches.capacity can not be 0") + // txn-local-latches + if err := c.TxnLocalLatches.Valid(); err != nil { + return err } // For tikvclient. @@ -979,28 +984,3 @@ const ( OOMActionCancel = "cancel" OOMActionLog = "log" ) - -// ParsePath parses this path. -func ParsePath(path string) (etcdAddrs []string, disableGC bool, err error) { - var u *url.URL - u, err = url.Parse(path) - if err != nil { - err = errors.Trace(err) - return - } - if strings.ToLower(u.Scheme) != "tikv" { - err = errors.Errorf("Uri scheme expected [tikv] but found [%s]", u.Scheme) - logutil.BgLogger().Error("parsePath error", zap.Error(err)) - return - } - switch strings.ToLower(u.Query().Get("disableGC")) { - case "true": - disableGC = true - case "false", "": - default: - err = errors.New("disableGC flag should be true/false") - return - } - etcdAddrs = strings.Split(u.Host, ",") - return -} diff --git a/config/config_test.go b/config/config_test.go index 51b8b39d13680..2e1285122e9e2 100644 --- a/config/config_test.go +++ b/config/config_test.go @@ -501,19 +501,6 @@ func (s *testConfigSuite) TestTableColumnCountLimit(c *C) { checkValid(DefMaxOfTableColumnCountLimit+1, false) } -func (s *testConfigSuite) TestParsePath(c *C) { - etcdAddrs, disableGC, err := ParsePath("tikv://node1:2379,node2:2379") - c.Assert(err, IsNil) - c.Assert(etcdAddrs, DeepEquals, []string{"node1:2379", "node2:2379"}) - c.Assert(disableGC, IsFalse) - - _, _, err = ParsePath("tikv://node1:2379") - c.Assert(err, IsNil) - _, disableGC, err = ParsePath("tikv://node1:2379?disableGC=true") - c.Assert(err, IsNil) - c.Assert(disableGC, IsTrue) -} - func (s *testConfigSuite) TestEncodeDefTempStorageDir(c *C) { tests := []struct { host string diff --git a/store/mockstore/tikv_test.go b/store/mockstore/tikv_test.go index 038c41e0da380..ef69860e52c00 100644 --- a/store/mockstore/tikv_test.go +++ b/store/mockstore/tikv_test.go @@ -17,7 +17,8 @@ import ( "testing" . "github.com/pingcap/check" - "github.com/pingcap/tidb/config" + tidbcfg "github.com/pingcap/tidb/config" + "github.com/pingcap/tidb/store/tikv/config" ) func TestT(t *testing.T) { @@ -31,7 +32,7 @@ func (s testSuite) SetUpSuite(c *C) {} var _ = Suite(testSuite{}) func (s testSuite) TestConfig(c *C) { - config.UpdateGlobal(func(conf *config.Config) { + tidbcfg.UpdateGlobal(func(conf *tidbcfg.Config) { conf.TxnLocalLatches = config.TxnLocalLatches{ Enabled: true, Capacity: 10240, @@ -48,7 +49,7 @@ func (s testSuite) TestConfig(c *C) { c.Assert(store.(LatchEnableChecker).IsLatchEnabled(), IsTrue) store.Close() - config.UpdateGlobal(func(conf *config.Config) { + tidbcfg.UpdateGlobal(func(conf *tidbcfg.Config) { conf.TxnLocalLatches = config.TxnLocalLatches{ Enabled: false, Capacity: 10240, diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index 00ebec6525e4d..5509d5d62cbba 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -32,9 +32,9 @@ import ( "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" - "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx/binloginfo" + "github.com/pingcap/tidb/store/tikv/config" "github.com/pingcap/tidb/store/tikv/logutil" "github.com/pingcap/tidb/store/tikv/metrics" "github.com/pingcap/tidb/store/tikv/oracle" @@ -809,8 +809,8 @@ func (c *twoPhaseCommitter) doActionOnBatches(bo *Backoffer, action twoPhaseComm // If the rate limit is too high, tikv will report service is busy. // If the rate limit is too low, we can't full utilize the tikv's throughput. // TODO: Find a self-adaptive way to control the rate limit here. - if rateLim > config.GetGlobalConfig().Performance.CommitterConcurrency { - rateLim = config.GetGlobalConfig().Performance.CommitterConcurrency + if rateLim > config.GetGlobalConfig().CommitterConcurrency { + rateLim = config.GetGlobalConfig().CommitterConcurrency } batchExecutor := newBatchExecutor(rateLim, c, action, bo) err := batchExecutor.process(batches) @@ -888,13 +888,13 @@ func (tm *ttlManager) keepAlive(c *twoPhaseCommitter) { } uptime := uint64(oracle.ExtractPhysical(now) - oracle.ExtractPhysical(c.startTS)) - if uptime > config.GetGlobalConfig().Performance.MaxTxnTTL { + if uptime > config.GetGlobalConfig().MaxTxnTTL { // Checks maximum lifetime for the ttlManager, so when something goes wrong // the key will not be locked forever. logutil.Logger(bo.ctx).Info("ttlManager live up to its lifetime", zap.Uint64("txnStartTS", c.startTS), zap.Uint64("uptime", uptime), - zap.Uint64("maxTxnTTL", config.GetGlobalConfig().Performance.MaxTxnTTL)) + zap.Uint64("maxTxnTTL", config.GetGlobalConfig().MaxTxnTTL)) metrics.TiKVTTLLifeTimeReachCounter.Inc() // the pessimistic locks may expire if the ttl manager has timed out, set `LockExpired` flag // so that this transaction could only commit or rollback with no more statement executions diff --git a/store/tikv/2pc_test.go b/store/tikv/2pc_test.go index 070b7caa2f1af..8bfb02471863e 100644 --- a/store/tikv/2pc_test.go +++ b/store/tikv/2pc_test.go @@ -29,10 +29,10 @@ import ( "github.com/pingcap/failpoint" "github.com/pingcap/kvproto/pkg/kvrpcpb" pb "github.com/pingcap/kvproto/pkg/kvrpcpb" - "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/store/mockstore/cluster" "github.com/pingcap/tidb/store/mockstore/mocktikv" + "github.com/pingcap/tidb/store/tikv/config" "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/store/tikv/tikvrpc" "github.com/pingcap/tidb/tablecodec" @@ -1297,9 +1297,24 @@ func (s *testCommitterSuite) TestAsyncCommit(c *C) { }) } +func updateGlobalConfig(f func(conf *config.Config)) { + g := config.GetGlobalConfig() + newConf := *g + f(&newConf) + config.StoreGlobalConfig(&newConf) +} + +// restoreFunc gets a function that restore the config to the current value. +func restoreGlobalConfFunc() (restore func()) { + g := config.GetGlobalConfig() + return func() { + config.StoreGlobalConfig(g) + } +} + func (s *testCommitterSuite) TestAsyncCommitCheck(c *C) { - defer config.RestoreFunc()() - config.UpdateGlobal(func(conf *config.Config) { + defer restoreGlobalConfFunc()() + updateGlobalConfig(func(conf *config.Config) { conf.TiKVClient.AsyncCommit.KeysLimit = 16 conf.TiKVClient.AsyncCommit.TotalKeySizeLimit = 64 }) @@ -1317,12 +1332,12 @@ func (s *testCommitterSuite) TestAsyncCommitCheck(c *C) { c.Assert(err, IsNil) c.Assert(committer.checkAsyncCommit(), IsTrue) - config.UpdateGlobal(func(conf *config.Config) { + updateGlobalConfig(func(conf *config.Config) { conf.TiKVClient.AsyncCommit.KeysLimit = 15 }) c.Assert(committer.checkAsyncCommit(), IsFalse) - config.UpdateGlobal(func(conf *config.Config) { + updateGlobalConfig(func(conf *config.Config) { conf.TiKVClient.AsyncCommit.KeysLimit = 20 conf.TiKVClient.AsyncCommit.TotalKeySizeLimit = 63 }) diff --git a/store/tikv/client.go b/store/tikv/client.go index d42ace78562d0..910ee19bad5f3 100644 --- a/store/tikv/client.go +++ b/store/tikv/client.go @@ -33,7 +33,6 @@ import ( "github.com/pingcap/kvproto/pkg/mpp" "github.com/pingcap/kvproto/pkg/tikvpb" "github.com/pingcap/parser/terror" - tidbcfg "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" tidbmetrics "github.com/pingcap/tidb/metrics" "github.com/pingcap/tidb/store/tikv/config" @@ -120,12 +119,12 @@ func (a *connArray) Init(addr string, security config.Security, idleNotify *uint opt = grpc.WithTransportCredentials(credentials.NewTLS(tlsConfig)) } - cfg := tidbcfg.GetGlobalConfig() + cfg := config.GetGlobalConfig() var ( unaryInterceptor grpc.UnaryClientInterceptor streamInterceptor grpc.StreamClientInterceptor ) - if cfg.OpenTracing.Enable { + if cfg.OpenTracingEnable { unaryInterceptor = grpc_opentracing.UnaryClientInterceptor() streamInterceptor = grpc_opentracing.StreamClientInterceptor() } @@ -282,7 +281,7 @@ func (c *RPCClient) createConnArray(addr string, enableBatch bool, opts ...func( array, ok := c.conns[addr] if !ok { var err error - client := tidbcfg.GetGlobalConfig().TiKVClient + client := config.GetGlobalConfig().TiKVClient for _, opt := range opts { opt(&client) } @@ -366,7 +365,7 @@ func (c *RPCClient) SendRequest(ctx context.Context, addr string, req *tikvrpc.R // TiDB RPC server supports batch RPC, but batch connection will send heart beat, It's not necessary since // request to TiDB is not high frequency. - if tidbcfg.GetGlobalConfig().TiKVClient.MaxBatchSize > 0 && enableBatch { + if config.GetGlobalConfig().TiKVClient.MaxBatchSize > 0 && enableBatch { if batchReq := req.ToBatchCommandsRequest(); batchReq != nil { defer trace.StartRegion(ctx, req.Type.String()).End() return sendBatchRequest(ctx, addr, connArray.batchConn, batchReq, timeout) diff --git a/store/tikv/client_test.go b/store/tikv/client_test.go index 628a3f421cbaf..1ce1326731fd4 100644 --- a/store/tikv/client_test.go +++ b/store/tikv/client_test.go @@ -25,7 +25,6 @@ import ( "github.com/pingcap/kvproto/pkg/kvrpcpb" "github.com/pingcap/kvproto/pkg/metapb" "github.com/pingcap/kvproto/pkg/tikvpb" - tidbcfg "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/store/tikv/config" "github.com/pingcap/tidb/store/tikv/tikvrpc" ) @@ -48,13 +47,13 @@ var _ = SerialSuites(&testClientFailSuite{}) var _ = SerialSuites(&testClientSerialSuite{}) func setMaxBatchSize(size uint) { - newConf := tidbcfg.NewConfig() + newConf := config.DefaultConfig() newConf.TiKVClient.MaxBatchSize = size - tidbcfg.StoreGlobalConfig(newConf) + config.StoreGlobalConfig(&newConf) } func (s *testClientSerialSuite) TestConn(c *C) { - maxBatchSize := tidbcfg.GetGlobalConfig().TiKVClient.MaxBatchSize + maxBatchSize := config.GetGlobalConfig().TiKVClient.MaxBatchSize setMaxBatchSize(0) client := NewRPCClient(config.Security{}) diff --git a/store/tikv/config/config.go b/store/tikv/config/config.go new file mode 100644 index 0000000000000..ee08e1bab4922 --- /dev/null +++ b/store/tikv/config/config.go @@ -0,0 +1,144 @@ +// Copyright 2021 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package config + +import ( + "fmt" + "net/url" + "strings" + "sync/atomic" + + "github.com/pingcap/errors" + "github.com/pingcap/tidb/store/tikv/logutil" + "go.uber.org/zap" +) + +var ( + globalConf atomic.Value +) + +const ( + // DefStoresRefreshInterval is the default value of StoresRefreshInterval + DefStoresRefreshInterval = 60 +) + +// Config contains configuration options. +type Config struct { + CommitterConcurrency int + MaxTxnTTL uint64 + ServerMemoryQuota uint64 + TiKVClient TiKVClient + Security Security + PDClient PDClient + PessimisticTxn PessimisticTxn + TxnLocalLatches TxnLocalLatches + // StoresRefreshInterval indicates the interval of refreshing stores info, the unit is second. + StoresRefreshInterval uint64 + OpenTracingEnable bool + Path string +} + +// DefaultConfig returns the default configuration. +func DefaultConfig() Config { + return Config{ + CommitterConcurrency: 16, + MaxTxnTTL: 60 * 60 * 1000, // 1hour + ServerMemoryQuota: 0, + TiKVClient: DefaultTiKVClient(), + PDClient: DefaultPDClient(), + TxnLocalLatches: DefaultTxnLocalLatches(), + StoresRefreshInterval: DefStoresRefreshInterval, + OpenTracingEnable: false, + Path: "", + } +} + +// PDClient is the config for PD client. +type PDClient struct { + // PDServerTimeout is the max time which PD client will wait for the PD server in seconds. + PDServerTimeout uint `toml:"pd-server-timeout" json:"pd-server-timeout"` +} + +// DefaultPDClient returns the default configuration for PDClient +func DefaultPDClient() PDClient { + return PDClient{ + PDServerTimeout: 3, + } +} + +// TxnLocalLatches is the TxnLocalLatches section of the config. +type TxnLocalLatches struct { + Enabled bool `toml:"-" json:"-"` + Capacity uint `toml:"-" json:"-"` +} + +// DefaultTxnLocalLatches returns the default configuration for TxnLocalLatches +func DefaultTxnLocalLatches() TxnLocalLatches { + return TxnLocalLatches{ + Enabled: false, + Capacity: 0, + } +} + +// Valid returns true if the configuration is valid. +func (c *TxnLocalLatches) Valid() error { + if c.Enabled && c.Capacity == 0 { + return fmt.Errorf("txn-local-latches.capacity can not be 0") + } + return nil +} + +// PessimisticTxn is the config for pessimistic transaction. +type PessimisticTxn struct { + // The max count of retry for a single statement in a pessimistic transaction. + MaxRetryCount uint `toml:"max-retry-count" json:"max-retry-count"` +} + +// GetGlobalConfig returns the global configuration for this server. +// It should store configuration from command line and configuration file. +// Other parts of the system can read the global configuration use this function. +func GetGlobalConfig() *Config { + return globalConf.Load().(*Config) +} + +// StoreGlobalConfig stores a new config to the globalConf. It mostly uses in the test to avoid some data races. +func StoreGlobalConfig(config *Config) { + globalConf.Store(config) +} + +// ParsePath parses this path. +// Path example: tikv://etcd-node1:port,etcd-node2:port?cluster=1&disableGC=false +func ParsePath(path string) (etcdAddrs []string, disableGC bool, err error) { + var u *url.URL + u, err = url.Parse(path) + if err != nil { + err = errors.Trace(err) + return + } + if strings.ToLower(u.Scheme) != "tikv" { + err = errors.Errorf("Uri scheme expected [tikv] but found [%s]", u.Scheme) + logutil.BgLogger().Error("parsePath error", zap.Error(err)) + return + } + switch strings.ToLower(u.Query().Get("disableGC")) { + case "true": + disableGC = true + case "false", "": + default: + err = errors.New("disableGC flag should be true/false") + return + } + etcdAddrs = strings.Split(u.Host, ",") + return +} diff --git a/store/tikv/config/config_test.go b/store/tikv/config/config_test.go new file mode 100644 index 0000000000000..c8fc674fcd973 --- /dev/null +++ b/store/tikv/config/config_test.go @@ -0,0 +1,33 @@ +// Copyright 2017 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package config + +import ( + . "github.com/pingcap/check" +) + +var _ = SerialSuites(&testConfigSuite{}) + +func (s *testConfigSuite) TestParsePath(c *C) { + etcdAddrs, disableGC, err := ParsePath("tikv://node1:2379,node2:2379") + c.Assert(err, IsNil) + c.Assert(etcdAddrs, DeepEquals, []string{"node1:2379", "node2:2379"}) + c.Assert(disableGC, IsFalse) + + _, _, err = ParsePath("tikv://node1:2379") + c.Assert(err, IsNil) + _, disableGC, err = ParsePath("tikv://node1:2379?disableGC=true") + c.Assert(err, IsNil) + c.Assert(disableGC, IsTrue) +} diff --git a/store/tikv/kv.go b/store/tikv/kv.go index dfd5574487fcf..bfc5062469936 100644 --- a/store/tikv/kv.go +++ b/store/tikv/kv.go @@ -27,7 +27,6 @@ import ( "github.com/opentracing/opentracing-go" "github.com/pingcap/errors" "github.com/pingcap/failpoint" - tidbcfg "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/store/tikv/config" "github.com/pingcap/tidb/store/tikv/latch" @@ -56,7 +55,7 @@ type Driver struct { } func createEtcdKV(addrs []string, tlsConfig *tls.Config) (*clientv3.Client, error) { - cfg := tidbcfg.GetGlobalConfig() + cfg := config.GetGlobalConfig() cli, err := clientv3.New(clientv3.Config{ Endpoints: addrs, AutoSyncInterval: 30 * time.Second, @@ -76,11 +75,11 @@ func createEtcdKV(addrs []string, tlsConfig *tls.Config) (*clientv3.Client, erro func (d Driver) Open(path string) (kv.Storage, error) { mc.Lock() defer mc.Unlock() - security := tidbcfg.GetGlobalConfig().Security.ClusterSecurity() - pdConfig := tidbcfg.GetGlobalConfig().PDClient - tikvConfig := tidbcfg.GetGlobalConfig().TiKVClient - txnLocalLatches := tidbcfg.GetGlobalConfig().TxnLocalLatches - etcdAddrs, disableGC, err := tidbcfg.ParsePath(path) + security := config.GetGlobalConfig().Security + pdConfig := config.GetGlobalConfig().PDClient + tikvConfig := config.GetGlobalConfig().TiKVClient + txnLocalLatches := config.GetGlobalConfig().TxnLocalLatches + etcdAddrs, disableGC, err := config.ParsePath(path) if err != nil { return nil, errors.Trace(err) } @@ -117,7 +116,7 @@ func (d Driver) Open(path string) (kv.Storage, error) { return nil, errors.Trace(err) } - coprCacheConfig := &tidbcfg.GetGlobalConfig().TiKVClient.CoprCache + coprCacheConfig := &config.GetGlobalConfig().TiKVClient.CoprCache s, err := NewKVStore(uuid, &CodecPDClient{pdCli}, spkv, NewRPCClient(security), !disableGC, coprCacheConfig) if err != nil { return nil, errors.Trace(err) @@ -257,7 +256,7 @@ func (s *KVStore) EtcdAddrs() ([]string, error) { if ldflagGetEtcdAddrsFromConfig == "1" { // For automated test purpose. // To manipulate connection to etcd by mandatorily setting path to a proxy. - cfg := tidbcfg.GetGlobalConfig() + cfg := config.GetGlobalConfig() return strings.Split(cfg.Path, ","), nil } diff --git a/store/tikv/prewrite.go b/store/tikv/prewrite.go index 4b5b7985b42b2..4ce995ccae223 100644 --- a/store/tikv/prewrite.go +++ b/store/tikv/prewrite.go @@ -23,7 +23,7 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/failpoint" pb "github.com/pingcap/kvproto/pkg/kvrpcpb" - "github.com/pingcap/tidb/config" + "github.com/pingcap/tidb/store/tikv/config" "github.com/pingcap/tidb/store/tikv/logutil" "github.com/pingcap/tidb/store/tikv/metrics" "github.com/pingcap/tidb/store/tikv/tikvrpc" diff --git a/store/tikv/region_cache.go b/store/tikv/region_cache.go index 9d9f0895e8cf3..0ea528f8d5a0b 100644 --- a/store/tikv/region_cache.go +++ b/store/tikv/region_cache.go @@ -29,9 +29,9 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/failpoint" "github.com/pingcap/kvproto/pkg/metapb" - "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/ddl/placement" "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/store/tikv/config" "github.com/pingcap/tidb/store/tikv/logutil" "github.com/pingcap/tidb/store/tikv/metrics" "github.com/pingcap/tidb/util" diff --git a/store/tikv/test_util.go b/store/tikv/test_util.go index 69ce6e89861a0..1a3f7fdd9fe86 100644 --- a/store/tikv/test_util.go +++ b/store/tikv/test_util.go @@ -16,8 +16,8 @@ package tikv import ( "github.com/google/uuid" "github.com/pingcap/errors" - "github.com/pingcap/tidb/config" "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/store/tikv/config" pd "github.com/tikv/pd/client" ) From ee876397ac020a6b164d56b4a448b61c4641acf3 Mon Sep 17 00:00:00 2001 From: Han Fei Date: Mon, 1 Feb 2021 19:06:42 +0800 Subject: [PATCH 0746/1021] unistore/cophandler: change the logic of mpp execution in unit test. (#22428) --- Makefile | 4 +- executor/mpp_gather.go | 3 + executor/tiflash_test.go | 21 +- go.mod | 2 +- go.sum | 4 +- planner/core/fragment.go | 3 - planner/core/stringer.go | 4 +- .../mockstore/unistore/cophandler/analyze.go | 2 +- .../unistore/cophandler/closure_exec.go | 382 +----------- .../unistore/cophandler/cop_handler.go | 66 +- .../unistore/cophandler/cop_handler_test.go | 2 +- store/mockstore/unistore/cophandler/mpp.go | 294 ++++++++- .../mockstore/unistore/cophandler/mpp_exec.go | 577 ++++++++++++++++++ store/mockstore/unistore/rpc.go | 4 +- 14 files changed, 935 insertions(+), 433 deletions(-) create mode 100644 store/mockstore/unistore/cophandler/mpp_exec.go diff --git a/Makefile b/Makefile index 64b6f9e4126da..49b4a98125ac8 100644 --- a/Makefile +++ b/Makefile @@ -123,7 +123,7 @@ gotest: failpoint-enable ifeq ("$(TRAVIS_COVERAGE)", "1") @echo "Running in TRAVIS_COVERAGE mode." $(GO) get github.com/go-playground/overalls - @export log_level=error; \ + @export log_level=info; \ $(OVERALLS) -project=github.com/pingcap/tidb \ -covermode=count \ -ignore='.git,vendor,cmd,docs,tests,LICENSES' \ @@ -132,7 +132,7 @@ ifeq ("$(TRAVIS_COVERAGE)", "1") || { $(FAILPOINT_DISABLE); exit 1; } else @echo "Running in native mode." - @export log_level=fatal; export TZ='Asia/Shanghai'; \ + @export log_level=info; export TZ='Asia/Shanghai'; \ $(GOTEST) -ldflags '$(TEST_LDFLAGS)' $(EXTRA_TEST_ARGS) -cover $(PACKAGES) -check.p true -check.timeout 4s || { $(FAILPOINT_DISABLE); exit 1; } endif @$(FAILPOINT_DISABLE) diff --git a/executor/mpp_gather.go b/executor/mpp_gather.go index f088ac83698fa..5c04a6b65371e 100644 --- a/executor/mpp_gather.go +++ b/executor/mpp_gather.go @@ -23,7 +23,9 @@ import ( plannercore "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/util/chunk" + "github.com/pingcap/tidb/util/logutil" "github.com/pingcap/tipb/go-tipb" + "go.uber.org/zap" ) func useMPPExecution(ctx sessionctx.Context, tr *plannercore.PhysicalTableReader) bool { @@ -70,6 +72,7 @@ func (e *MPPGather) appendMPPDispatchReq(pf *plannercore.Fragment, tasks []*kv.M if err != nil { return errors.Trace(err) } + logutil.BgLogger().Info("Dispatch mpp task", zap.Uint64("timestamp", mppTask.StartTs), zap.Int64("ID", mppTask.ID), zap.String("address", mppTask.Meta.GetAddress()), zap.String("plan", plannercore.ToString(pf.ExchangeSender))) req := &kv.MPPDispatchRequest{ Data: pbData, Meta: mppTask.Meta, diff --git a/executor/tiflash_test.go b/executor/tiflash_test.go index 6549baca4e180..a20fef2ed2e18 100644 --- a/executor/tiflash_test.go +++ b/executor/tiflash_test.go @@ -118,5 +118,24 @@ func (s *tiflashTestSuite) TestMppExecution(c *C) { tk.MustExec("set @@session.tidb_isolation_read_engines=\"tiflash\"") tk.MustExec("set @@session.tidb_allow_mpp=ON") tk.MustExec("set @@session.tidb_opt_broadcast_join=ON") - tk.MustQuery("select count(*) from t1 , t where t1.a = t.a").Check(testkit.Rows("3")) + for i := 0; i < 20; i++ { + // test if it is stable. + tk.MustQuery("select count(*) from t1 , t where t1.a = t.a").Check(testkit.Rows("3")) + } + // test multi-way join + tk.MustExec("create table t2(a int not null primary key, b int not null)") + tk.MustExec("alter table t2 set tiflash replica 1") + tb = testGetTableByName(c, tk.Se, "test", "t2") + err = domain.GetDomain(tk.Se).DDL().UpdateTableReplicaInfo(tk.Se, tb.Meta().ID, true) + c.Assert(err, IsNil) + + tk.MustExec("insert into t2 values(1,0)") + tk.MustExec("insert into t2 values(2,0)") + tk.MustExec("insert into t2 values(3,0)") + tk.MustQuery("select count(*) from t1 , t, t2 where t1.a = t.a and t2.a = t.a").Check(testkit.Rows("3")) + + // test avg + tk.MustQuery("select avg(t1.a) from t1 , t where t1.a = t.a").Check(testkit.Rows("2.0000")) + // test proj and selection + tk.MustQuery("select count(*) from (select a * 2 as a from t1) t1 , (select b + 4 as a from t)t where t1.a = t.a").Check(testkit.Rows("3")) } diff --git a/go.mod b/go.mod index 7b022a73dbaec..0c25926f9cba7 100644 --- a/go.mod +++ b/go.mod @@ -31,7 +31,7 @@ require ( github.com/kr/text v0.2.0 // indirect github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7 github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef - github.com/ngaut/unistore v0.0.0-20201217024625-f53801ce8d4f + github.com/ngaut/unistore v0.0.0-20210201072520-a1a5525d7218 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect github.com/opentracing/basictracer-go v1.0.0 github.com/opentracing/opentracing-go v1.1.0 diff --git a/go.sum b/go.sum index 0ab9339753cc3..2050d944d0160 100644 --- a/go.sum +++ b/go.sum @@ -556,8 +556,8 @@ github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7 h1:7KAv7KMGTTqSmYZtNdc github.com/ngaut/pools v0.0.0-20180318154953-b7bc8c42aac7/go.mod h1:iWMfgwqYW+e8n5lC/jjNEhwcjbRDpl5NT7n2h+4UNcI= github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef h1:K0Fn+DoFqNqktdZtdV3bPQ/0cuYh2H4rkg0tytX/07k= github.com/ngaut/sync2 v0.0.0-20141008032647-7a24ed77b2ef/go.mod h1:7WjlapSfwQyo6LNmIvEWzsW1hbBQfpUO4JWnuQRmva8= -github.com/ngaut/unistore v0.0.0-20201217024625-f53801ce8d4f h1:U3HZchmjtkfNbPgphbgB7wEiYRzllX85J70J2MoMyFo= -github.com/ngaut/unistore v0.0.0-20201217024625-f53801ce8d4f/go.mod h1:ZR3NH+HzqfiYetwdoAivApnIy8iefPZHTMLfrFNm8g4= +github.com/ngaut/unistore v0.0.0-20210201072520-a1a5525d7218 h1:q7sDtYh4i9kKAR7sOlaksKfKFd7NUxtrIX51U01YviM= +github.com/ngaut/unistore v0.0.0-20210201072520-a1a5525d7218/go.mod h1:ZR3NH+HzqfiYetwdoAivApnIy8iefPZHTMLfrFNm8g4= github.com/nicksnyder/go-i18n v1.10.0/go.mod h1:HrK7VCrbOvQoUAQ7Vpy7i87N7JZZZ7R2xBGjv0j365Q= github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs= github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno= diff --git a/planner/core/fragment.go b/planner/core/fragment.go index 1e0cc8559fd0b..fdb22c969c269 100644 --- a/planner/core/fragment.go +++ b/planner/core/fragment.go @@ -83,9 +83,6 @@ func (e *mppTaskGenerator) generateMPPTasksForFragment(f *Fragment) (tasks []*kv s := r.ChildPf.ExchangeSender s.TargetTasks = tasks } - for _, task := range tasks { - logutil.BgLogger().Info("Dispatch mpp task", zap.Uint64("timestamp", task.StartTs), zap.Int64("ID", task.ID), zap.String("address", task.Meta.GetAddress()), zap.String("plan", ToString(f.ExchangeSender))) - } f.ExchangeSender.Tasks = tasks return tasks, nil } diff --git a/planner/core/stringer.go b/planner/core/stringer.go index 7c4e526971901..4c63f6ff244b9 100644 --- a/planner/core/stringer.go +++ b/planner/core/stringer.go @@ -288,13 +288,13 @@ func toString(in Plan, strs []string, idxs []int) ([]string, []int) { for _, task := range x.Tasks { str += fmt.Sprintf("%d, ", task.ID) } - str = fmt.Sprintf(")") + str += fmt.Sprintf(")") case *PhysicalExchangeSender: str = fmt.Sprintf("Send(") for _, task := range x.TargetTasks { str += fmt.Sprintf("%d, ", task.ID) } - str = fmt.Sprintf(")") + str += fmt.Sprintf(")") default: str = fmt.Sprintf("%T", in) } diff --git a/store/mockstore/unistore/cophandler/analyze.go b/store/mockstore/unistore/cophandler/analyze.go index f2e980023163b..b11e1467c07b7 100644 --- a/store/mockstore/unistore/cophandler/analyze.go +++ b/store/mockstore/unistore/cophandler/analyze.go @@ -262,7 +262,7 @@ func handleAnalyzeColumnsReq(dbReader *dbreader.DBReader, rans []kv.KeyRange, an if len(analyzeReq.ColReq.PrimaryColumnIds) > 0 { evalCtx.primaryCols = analyzeReq.ColReq.PrimaryColumnIds } - decoder, err := evalCtx.newRowDecoder() + decoder, err := newRowDecoder(evalCtx.columnInfos, evalCtx.fieldTps, evalCtx.primaryCols, evalCtx.sc.TimeZone) if err != nil { return nil, err } diff --git a/store/mockstore/unistore/cophandler/closure_exec.go b/store/mockstore/unistore/cophandler/closure_exec.go index 58e20d393a63c..fc0751bacad50 100644 --- a/store/mockstore/unistore/cophandler/closure_exec.go +++ b/store/mockstore/unistore/cophandler/closure_exec.go @@ -15,19 +15,15 @@ package cophandler import ( "bytes" - "context" "fmt" - "io" "math" "sort" - "sync" "time" "github.com/ngaut/unistore/tikv/dbreader" "github.com/ngaut/unistore/tikv/mvcc" "github.com/pingcap/errors" "github.com/pingcap/kvproto/pkg/kvrpcpb" - "github.com/pingcap/kvproto/pkg/mpp" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" @@ -36,7 +32,6 @@ import ( "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/sessionctx/stmtctx" - "github.com/pingcap/tidb/store/tikv/tikvrpc" "github.com/pingcap/tidb/tablecodec" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/chunk" @@ -101,12 +96,12 @@ func getExecutorList(dagReq *tipb.DAGRequest) ([]*tipb.Executor, error) { return getExecutorListFromRootExec(dagReq.RootExecutor) } -func buildClosureExecutorForTiFlash(dagCtx *dagContext, rootExecutor *tipb.Executor, mppCtx *MPPCtx) (*closureExecutor, error) { +func buildClosureExecutorForTiFlash(dagCtx *dagContext, rootExecutor *tipb.Executor) (*closureExecutor, error) { scanExec, err := getScanExecFromRootExec(rootExecutor) if err != nil { return nil, errors.Trace(err) } - ce, err := newClosureExecutor(dagCtx, nil, scanExec, false, mppCtx) + ce, err := newClosureExecutor(dagCtx, nil, scanExec, false) if err != nil { return nil, errors.Trace(err) } @@ -114,27 +109,14 @@ func buildClosureExecutorForTiFlash(dagCtx *dagContext, rootExecutor *tipb.Execu if err != nil { return nil, errors.Trace(err) } - err = buildClosureExecutorFromExecutorList(dagCtx, executors, ce, mppCtx) + err = buildClosureExecutorFromExecutorList(dagCtx, executors, ce) if err != nil { return nil, errors.Trace(err) } return ce, nil } -func buildClosureExecutorFromExecutorList(dagCtx *dagContext, executors []*tipb.Executor, ce *closureExecutor, mppCtx *MPPCtx) error { - if executors[len(executors)-1].Tp == tipb.ExecType_TypeExchangeSender { - ce.exchangeSenderCtx = &exchangeSenderCtx{exchangeSender: executors[len(executors)-1].ExchangeSender} - err := ce.exchangeSenderCtx.init(mppCtx) - if err != nil { - return err - } - } else { - ce.exchangeSenderCtx = nil - } - extraExecutorLength := 0 - if ce.exchangeSenderCtx != nil { - extraExecutorLength = 1 - } +func buildClosureExecutorFromExecutorList(dagCtx *dagContext, executors []*tipb.Executor, ce *closureExecutor) error { scanExec := executors[0] if scanExec.Tp == tipb.ExecType_TypeTableScan { ce.processor = &tableScanProcessor{closureExecutor: ce} @@ -144,7 +126,7 @@ func buildClosureExecutorFromExecutorList(dagCtx *dagContext, executors []*tipb. ce.processor = &mockReaderScanProcessor{closureExecutor: ce} } outputFieldTypes := make([]*types.FieldType, 0, 1) - lastExecutor := executors[len(executors)-1-extraExecutorLength] + lastExecutor := executors[len(executors)-1] originalOutputFieldTypes := dagCtx.fieldTps if lastExecutor.Tp == tipb.ExecType_TypeAggregation || lastExecutor.Tp == tipb.ExecType_TypeStreamAgg { originalOutputFieldTypes = nil @@ -164,7 +146,7 @@ func buildClosureExecutorFromExecutorList(dagCtx *dagContext, executors []*tipb. outputFieldTypes = append(outputFieldTypes, tp) } } - if len(executors) == 1+extraExecutorLength { + if len(executors) == 1 { ce.resultFieldType = outputFieldTypes return nil } @@ -201,12 +183,12 @@ func buildClosureExecutorFromExecutorList(dagCtx *dagContext, executors []*tipb. // buildClosureExecutor build a closureExecutor for the DAGRequest. // Currently the composition of executors are: // tableScan|indexScan [selection] [topN | limit | agg] -func buildClosureExecutor(dagCtx *dagContext, dagReq *tipb.DAGRequest, mppCtx *MPPCtx) (*closureExecutor, error) { +func buildClosureExecutor(dagCtx *dagContext, dagReq *tipb.DAGRequest) (*closureExecutor, error) { scanExec, err := getScanExec(dagReq) if err != nil { return nil, err } - ce, err := newClosureExecutor(dagCtx, dagReq.OutputOffsets, scanExec, dagReq.GetCollectRangeCounts(), mppCtx) + ce, err := newClosureExecutor(dagCtx, dagReq.OutputOffsets, scanExec, dagReq.GetCollectRangeCounts()) if err != nil { return nil, errors.Trace(err) } @@ -215,7 +197,7 @@ func buildClosureExecutor(dagCtx *dagContext, dagReq *tipb.DAGRequest, mppCtx *M return nil, err1 } - err = buildClosureExecutorFromExecutorList(dagCtx, executors, ce, mppCtx) + err = buildClosureExecutorFromExecutorList(dagCtx, executors, ce) if err != nil { return nil, err } @@ -272,7 +254,7 @@ func getScanExec(dagReq *tipb.DAGRequest) (*tipb.Executor, error) { return getScanExecFromRootExec(dagReq.RootExecutor) } -func newClosureExecutor(dagCtx *dagContext, outputOffsets []uint32, scanExec *tipb.Executor, collectRangeCounts bool, mppCtx *MPPCtx) (*closureExecutor, error) { +func newClosureExecutor(dagCtx *dagContext, outputOffsets []uint32, scanExec *tipb.Executor, collectRangeCounts bool) (*closureExecutor, error) { e := &closureExecutor{ dagContext: dagCtx, outputOff: outputOffsets, @@ -301,20 +283,6 @@ func newClosureExecutor(dagCtx *dagContext, outputOffsets []uint32, scanExec *ti e.idxScanCtx.prevVals = make([][]byte, e.idxScanCtx.columnLen) } e.scanType = IndexScan - case tipb.ExecType_TypeExchangeReceiver: - dagCtx.fillColumnInfo(scanExec.ExchangeReceiver.FieldTypes) - e.unique = false - e.scanCtx.desc = false - e.initExchangeScanCtx(scanExec.ExchangeReceiver, mppCtx) - e.scanType = ExchangeScan - case tipb.ExecType_TypeJoin: - e.unique = false - e.scanCtx.desc = false - err := e.initJoinScanCtx(dagCtx, scanExec.Join, mppCtx) - if err != nil { - return nil, errors.Trace(err) - } - e.scanType = JoinScan default: panic(fmt.Sprintf("unknown first executor type %s", scanExec.Tp)) } @@ -329,7 +297,7 @@ func newClosureExecutor(dagCtx *dagContext, outputOffsets []uint32, scanExec *ti e.kvRanges = ranges e.scanCtx.chk = chunk.NewChunkWithCapacity(e.fieldTps, 32) if e.scanType == TableScan { - e.scanCtx.decoder, err = e.evalContext.newRowDecoder() + e.scanCtx.decoder, err = newRowDecoder(e.evalContext.columnInfos, e.evalContext.fieldTps, e.evalContext.primaryCols, e.evalContext.sc.TimeZone) if err != nil { return nil, errors.Trace(err) } @@ -338,68 +306,6 @@ func newClosureExecutor(dagCtx *dagContext, outputOffsets []uint32, scanExec *ti return e, nil } -func (e *closureExecutor) initExchangeScanCtx(exchangeScan *tipb.ExchangeReceiver, mppCtx *MPPCtx) { - e.exchangeScanCtx = (&exchangeScanCtx{exchangeReceiver: exchangeScan, mppCtx: mppCtx}).init() -} - -func (e *closureExecutor) initJoinScanCtx(dagCtx *dagContext, join *tipb.Join, mppCtx *MPPCtx) error { - if join.JoinType != tipb.JoinType_TypeInnerJoin { - return errors.New("Only support Inner join right now") - } - if len(join.LeftJoinKeys) > 1 || len(join.RightJoinKeys) > 1 { - return errors.New("Only 1 join key is allowed right now") - } - if len(join.LeftConditions)+len(join.RightConditions)+len(join.OtherConditions) > 1 { - return errors.New("LeftCondition/RightConditions/OtherConditions is not supported right now") - } - e.joinScanCtx = new(joinScanCtx) - e.joinScanCtx.join = join - e.joinScanCtx.finalSchema = make([]*types.FieldType, 0) - e.joinScanCtx.innerIndex = int(join.InnerIdx) - - buildDagCtx := *dagCtx - buildDagCtx.evalContext = &evalContext{sc: dagCtx.sc} - var err error - e.joinScanCtx.buildExec, err = buildClosureExecutorForTiFlash(&buildDagCtx, join.Children[join.InnerIdx], mppCtx) - if err != nil { - return err - } - probeDagCtx := *dagCtx - probeDagCtx.evalContext = &evalContext{sc: dagCtx.sc} - e.joinScanCtx.probeExec, err = buildClosureExecutorForTiFlash(&probeDagCtx, join.Children[1-join.InnerIdx], mppCtx) - if err != nil { - return err - } - var buildKeys, probeKeys []expression.Expression - if join.InnerIdx == 0 { - buildKeys, err = convertToExprs(e.joinScanCtx.buildExec.sc, e.joinScanCtx.buildExec.resultFieldType, join.LeftJoinKeys) - if err != nil { - return errors.Trace(err) - } - probeKeys, err = convertToExprs(e.joinScanCtx.probeExec.sc, e.joinScanCtx.probeExec.resultFieldType, join.RightJoinKeys) - if err != nil { - return errors.Trace(err) - } - e.joinScanCtx.finalSchema = append(e.joinScanCtx.finalSchema, e.joinScanCtx.buildExec.resultFieldType...) - e.joinScanCtx.finalSchema = append(e.joinScanCtx.finalSchema, e.joinScanCtx.probeExec.resultFieldType...) - } else { - buildKeys, err = convertToExprs(e.joinScanCtx.buildExec.sc, e.joinScanCtx.buildExec.resultFieldType, join.RightJoinKeys) - if err != nil { - return errors.Trace(err) - } - probeKeys, err = convertToExprs(e.joinScanCtx.probeExec.sc, e.joinScanCtx.probeExec.resultFieldType, join.LeftJoinKeys) - if err != nil { - return errors.Trace(err) - } - e.joinScanCtx.finalSchema = append(e.joinScanCtx.finalSchema, e.joinScanCtx.probeExec.resultFieldType...) - e.joinScanCtx.finalSchema = append(e.joinScanCtx.finalSchema, e.joinScanCtx.buildExec.resultFieldType...) - } - e.joinScanCtx.buildKey = buildKeys[0].(*expression.Column) - e.joinScanCtx.probeKey = probeKeys[0].(*expression.Column) - dagCtx.fillColumnInfoFromTPs(e.joinScanCtx.finalSchema) - return nil -} - func (e *closureExecutor) initIdxScanCtx(idxScan *tipb.IndexScan) { e.idxScanCtx = new(idxScanCtx) e.idxScanCtx.columnLen = len(e.columnInfos) @@ -570,10 +476,6 @@ const ( TableScan scanType = iota // IndexScan means reading from a table by index scan IndexScan - // JoinScan means reading from a join result - JoinScan - // ExchangeScan means reading from exchange client(used in MPP execution) - ExchangeScan ) // closureExecutor is an execution engine that flatten the DAGRequest.Executors to a single closure `processor` that @@ -581,23 +483,20 @@ const ( // optimized one for some frequently used query. type closureExecutor struct { *dagContext - outputOff []uint32 - resultFieldType []*types.FieldType - seCtx sessionctx.Context - kvRanges []kv.KeyRange - startTS uint64 - ignoreLock bool - lockChecked bool - scanType scanType - scanCtx scanCtx - idxScanCtx *idxScanCtx - joinScanCtx *joinScanCtx - exchangeScanCtx *exchangeScanCtx - selectionCtx selectionCtx - aggCtx aggCtx - topNCtx *topNCtx - exchangeSenderCtx *exchangeSenderCtx - mockReader *mockReader + outputOff []uint32 + resultFieldType []*types.FieldType + seCtx sessionctx.Context + kvRanges []kv.KeyRange + startTS uint64 + ignoreLock bool + lockChecked bool + scanType scanType + scanCtx scanCtx + idxScanCtx *idxScanCtx + selectionCtx selectionCtx + aggCtx aggCtx + topNCtx *topNCtx + mockReader *mockReader rowCount int unique bool @@ -645,199 +544,6 @@ type scanCtx struct { execDetail *execDetail } -type joinScanCtx struct { - chk *chunk.Chunk - buildExec *closureExecutor - probeExec *closureExecutor - buildKey *expression.Column - probeKey *expression.Column - finalSchema []*types.FieldType - innerIndex int - join *tipb.Join -} - -func (joinCtx *joinScanCtx) doJoin() error { - buildPbChunks, err := joinCtx.buildExec.execute() - if err != nil { - return err - } - buildChunk := chunk.NewChunkWithCapacity(joinCtx.buildExec.fieldTps, 0) - for _, pbChunk := range buildPbChunks { - chk := chunk.NewChunkWithCapacity(joinCtx.buildExec.fieldTps, 0) - err = pbChunkToChunk(pbChunk, chk, joinCtx.buildExec.fieldTps) - if err != nil { - return err - } - buildChunk.Append(chk, 0, chk.NumRows()) - } - probePbChunks, err := joinCtx.probeExec.execute() - if err != nil { - return err - } - probeChunk := chunk.NewChunkWithCapacity(joinCtx.probeExec.fieldTps, 0) - for _, pbChunk := range probePbChunks { - chk := chunk.NewChunkWithCapacity(joinCtx.probeExec.fieldTps, 0) - err = pbChunkToChunk(pbChunk, chk, joinCtx.probeExec.fieldTps) - if err != nil { - return err - } - probeChunk.Append(chk, 0, chk.NumRows()) - } - // build hash table - hashMap := make(map[string][]int) - for i := 0; i < buildChunk.NumRows(); i++ { - keyColString := string(buildChunk.Column(joinCtx.buildKey.Index).GetRaw(i)) - if rowSet, ok := hashMap[keyColString]; ok { - rowSet = append(rowSet, i) - hashMap[keyColString] = rowSet - } else { - hashMap[keyColString] = []int{i} - } - } - joinCtx.chk = chunk.NewChunkWithCapacity(joinCtx.finalSchema, 0) - // probe - for i := 0; i < probeChunk.NumRows(); i++ { - if rowSet, ok := hashMap[string(probeChunk.Column(joinCtx.probeKey.Index).GetRaw(i))]; ok { - // construct output row - if joinCtx.innerIndex == 0 { - // build is child 0, probe is child 1 - for _, idx := range rowSet { - wide := joinCtx.chk.AppendRowByColIdxs(buildChunk.GetRow(idx), nil) - joinCtx.chk.AppendPartialRow(wide, probeChunk.GetRow(i)) - } - } else { - // build is child 1, probe is child 0 - for _, idx := range rowSet { - wide := joinCtx.chk.AppendRowByColIdxs(probeChunk.GetRow(i), nil) - joinCtx.chk.AppendPartialRow(wide, buildChunk.GetRow(idx)) - } - } - } - } - return nil -} - -type exchangeSenderCtx struct { - exchangeSender *tipb.ExchangeSender - tunnels []*ExchangerTunnel -} - -func (e *exchangeSenderCtx) init(mppCtx *MPPCtx) error { - for _, taskMeta := range e.exchangeSender.EncodedTaskMeta { - targetTask := new(mpp.TaskMeta) - err := targetTask.Unmarshal(taskMeta) - if err != nil { - return err - } - tunnel := &ExchangerTunnel{ - DataCh: make(chan *tipb.Chunk, 10), - sourceTask: mppCtx.TaskHandler.Meta, - targetTask: targetTask, - active: false, - ErrCh: make(chan error, 1), - } - e.tunnels = append(e.tunnels, tunnel) - err = mppCtx.TaskHandler.registerTunnel(tunnel) - if err != nil { - return err - } - } - return nil -} - -type exchangeScanCtx struct { - exchangeReceiver *tipb.ExchangeReceiver - fieldTypes []*types.FieldType - chk *chunk.Chunk - mppCtx *MPPCtx - lock sync.Mutex - wg sync.WaitGroup - err error -} - -func (e *exchangeScanCtx) init() *exchangeScanCtx { - for _, pbType := range e.exchangeReceiver.FieldTypes { - e.fieldTypes = append(e.fieldTypes, expression.FieldTypeFromPB(pbType)) - } - e.chk = chunk.NewChunkWithCapacity(e.fieldTypes, 0) - return e -} - -func (e *exchangeScanCtx) EstablishConnAndReceiveData(h *MPPTaskHandler, meta *mpp.TaskMeta) ([]*mpp.MPPDataPacket, error) { - req := &mpp.EstablishMPPConnectionRequest{ReceiverMeta: h.Meta, SenderMeta: meta} - rpcReq := tikvrpc.NewRequest(tikvrpc.CmdMPPConn, req, kvrpcpb.Context{}) - rpcResp, err := h.RPCClient.SendRequest(context.Background(), meta.Address, rpcReq, 3600*time.Second) - if err != nil { - return nil, errors.Trace(err) - } - - resp := rpcResp.Resp.(*tikvrpc.MPPStreamResponse) - - mppResponse := resp.MPPDataPacket - ret := make([]*mpp.MPPDataPacket, 0, 3) - for { - if mppResponse == nil { - return ret, nil - } - if mppResponse.Error != nil { - return nil, errors.New(mppResponse.Error.Msg) - } - ret = append(ret, mppResponse) - mppResponse, err = resp.Recv() - if err != nil { - if errors.Cause(err) == io.EOF { - return ret, nil - } - return nil, errors.Trace(err) - } - if mppResponse == nil { - return ret, nil - } - } -} - -func (e *exchangeScanCtx) runTunnelWorker(h *MPPTaskHandler, meta *mpp.TaskMeta) { - var ( - maxRetryTime = 3 - retryTime = 0 - err error - resp []*mpp.MPPDataPacket - ) - - for retryTime < maxRetryTime { - resp, err = e.EstablishConnAndReceiveData(h, meta) - if err == nil { - break - } - time.Sleep(1 * time.Second) - retryTime++ - } - if err != nil { - e.err = err - return - } - for _, mppData := range resp { - var selectResp tipb.SelectResponse - err = selectResp.Unmarshal(mppData.Data) - if err != nil { - e.err = err - return - } - for _, tipbChunk := range selectResp.Chunks { - chk := chunk.NewChunkWithCapacity(e.fieldTypes, 0) - err = pbChunkToChunk(tipbChunk, chk, e.fieldTypes) - if err != nil { - e.err = err - return - } - e.lock.Lock() - e.chk.Append(chk, 0, chk.NumRows()) - e.lock.Unlock() - } - } - e.wg.Done() -} - type idxScanCtx struct { pkStatus int columnLen int @@ -889,42 +595,6 @@ func (e *closureExecutor) scanFromMockReader(startKey, endKey []byte, limit int, } func (e *closureExecutor) execute() ([]tipb.Chunk, error) { - if e.scanType == ExchangeScan || e.scanType == JoinScan { - // read from exchange client - e.mockReader = &mockReader{chk: nil, currentIndex: 0} - if e.scanType == ExchangeScan { - serverMetas := make([]*mpp.TaskMeta, 0, len(e.exchangeScanCtx.exchangeReceiver.EncodedTaskMeta)) - for _, encodedMeta := range e.exchangeScanCtx.exchangeReceiver.EncodedTaskMeta { - meta := new(mpp.TaskMeta) - err := meta.Unmarshal(encodedMeta) - if err != nil { - return nil, errors.Trace(err) - } - serverMetas = append(serverMetas, meta) - } - for _, meta := range serverMetas { - e.exchangeScanCtx.wg.Add(1) - go e.exchangeScanCtx.runTunnelWorker(e.exchangeScanCtx.mppCtx.TaskHandler, meta) - } - e.exchangeScanCtx.wg.Wait() - if e.exchangeScanCtx.err != nil { - return nil, e.exchangeScanCtx.err - } - e.mockReader.chk = e.exchangeScanCtx.chk - } else { - err := e.joinScanCtx.doJoin() - if err != nil { - return nil, err - } - e.mockReader.chk = e.joinScanCtx.chk - } - err := e.scanFromMockReader(nil, nil, math.MaxInt64, e.startTS, e.processor) - if err != nil { - return nil, errors.Trace(err) - } - err = e.processor.Finish() - return e.oldChunks, err - } err := e.checkRangeLock() if err != nil { return nil, errors.Trace(err) @@ -973,7 +643,7 @@ func (e *closureExecutor) execute() ([]tipb.Chunk, error) { } func (e *closureExecutor) isPointGetRange(ran kv.KeyRange) bool { - if len(e.primaryCols) > 0 || e.exchangeScanCtx != nil || e.joinScanCtx != nil { + if len(e.primaryCols) > 0 { return false } return e.unique && ran.IsPoint() diff --git a/store/mockstore/unistore/cophandler/cop_handler.go b/store/mockstore/unistore/cophandler/cop_handler.go index 1355aadb20fb9..728602a49e4b8 100644 --- a/store/mockstore/unistore/cophandler/cop_handler.go +++ b/store/mockstore/unistore/cophandler/cop_handler.go @@ -60,7 +60,10 @@ func HandleCopRequest(dbReader *dbreader.DBReader, lockStore *lockstore.MemStore func HandleCopRequestWithMPPCtx(dbReader *dbreader.DBReader, lockStore *lockstore.MemStore, req *coprocessor.Request, mppCtx *MPPCtx) *coprocessor.Response { switch req.Tp { case kv.ReqTypeDAG: - return handleCopDAGRequest(dbReader, lockStore, req, mppCtx) + if mppCtx != nil && mppCtx.TaskHandler != nil { + return handleMPPDAGReq(dbReader, req, mppCtx) + } + return handleCopDAGRequest(dbReader, lockStore, req) case kv.ReqTypeAnalyze: return handleCopAnalyzeRequest(dbReader, req) case kv.ReqTypeChecksum: @@ -80,7 +83,7 @@ type dagContext struct { } // handleCopDAGRequest handles coprocessor DAG request. -func handleCopDAGRequest(dbReader *dbreader.DBReader, lockStore *lockstore.MemStore, req *coprocessor.Request, mppCtx *MPPCtx) (resp *coprocessor.Response) { +func handleCopDAGRequest(dbReader *dbreader.DBReader, lockStore *lockstore.MemStore, req *coprocessor.Request) (resp *coprocessor.Response) { startTime := time.Now() resp = &coprocessor.Response{} failpoint.Inject("mockCopCacheInUnistore", func(cacheVersion failpoint.Value) { @@ -107,46 +110,11 @@ func handleCopDAGRequest(dbReader *dbreader.DBReader, lockStore *lockstore.MemSt resp.OtherError = err.Error() return resp } - closureExec, err := buildClosureExecutor(dagCtx, dagReq, mppCtx) + closureExec, err := buildClosureExecutor(dagCtx, dagReq) if err != nil { return buildResp(nil, nil, nil, dagReq, err, dagCtx.sc.GetWarnings(), time.Since(startTime)) } chunks, err := closureExec.execute() - if closureExec.exchangeSenderCtx != nil { - defer func() { - for _, tunnel := range closureExec.exchangeSenderCtx.tunnels { - close(tunnel.DataCh) - close(tunnel.ErrCh) - } - }() - if err == nil && closureExec.exchangeSenderCtx.exchangeSender.Tp == tipb.ExchangeType_Hash { - err = errors.New("Unsupported exchange type") - } - // TODO: the target side may crash. We should check timeout here. - if err != nil { - switch closureExec.exchangeSenderCtx.exchangeSender.Tp { - case tipb.ExchangeType_Broadcast, tipb.ExchangeType_Hash: - for _, tunnel := range closureExec.exchangeSenderCtx.tunnels { - tunnel.ErrCh <- err - } - case tipb.ExchangeType_PassThrough: - closureExec.exchangeSenderCtx.tunnels[0].ErrCh <- err - } - } else { - for _, tipbChunk := range chunks { - switch closureExec.exchangeSenderCtx.exchangeSender.Tp { - case tipb.ExchangeType_Broadcast: - for _, tunnel := range closureExec.exchangeSenderCtx.tunnels { - tunnel.DataCh <- &tipbChunk - } - case tipb.ExchangeType_PassThrough: - closureExec.exchangeSenderCtx.tunnels[0].DataCh <- &tipbChunk - default: - } - } - } - return nil - } return buildResp(chunks, closureExec, closureExec.ndvs, dagReq, err, dagCtx.sc.GetWarnings(), time.Since(startTime)) } @@ -258,14 +226,14 @@ func (e *evalContext) fillColumnInfoFromTPs(fieldTypes []*types.FieldType) { } } -func (e *evalContext) newRowDecoder() (*rowcodec.ChunkDecoder, error) { +func newRowDecoder(columnInfos []*tipb.ColumnInfo, fieldTps []*types.FieldType, primaryCols []int64, timeZone *time.Location) (*rowcodec.ChunkDecoder, error) { var ( pkCols []int64 - cols = make([]rowcodec.ColInfo, 0, len(e.columnInfos)) + cols = make([]rowcodec.ColInfo, 0, len(columnInfos)) ) - for i := range e.columnInfos { - info := e.columnInfos[i] - ft := e.fieldTps[i] + for i := range columnInfos { + info := columnInfos[i] + ft := fieldTps[i] col := rowcodec.ColInfo{ ID: info.ColumnId, Ft: ft, @@ -277,26 +245,26 @@ func (e *evalContext) newRowDecoder() (*rowcodec.ChunkDecoder, error) { } } if len(pkCols) == 0 { - if e.primaryCols != nil { - pkCols = e.primaryCols + if primaryCols != nil { + pkCols = primaryCols } else { pkCols = []int64{0} } } def := func(i int, chk *chunk.Chunk) error { - info := e.columnInfos[i] + info := columnInfos[i] if info.PkHandle || len(info.DefaultVal) == 0 { chk.AppendNull(i) return nil } - decoder := codec.NewDecoder(chk, e.sc.TimeZone) - _, err := decoder.DecodeOne(info.DefaultVal, i, e.fieldTps[i]) + decoder := codec.NewDecoder(chk, timeZone) + _, err := decoder.DecodeOne(info.DefaultVal, i, fieldTps[i]) if err != nil { return err } return nil } - return rowcodec.NewChunkDecoder(cols, pkCols, def, e.sc.TimeZone), nil + return rowcodec.NewChunkDecoder(cols, pkCols, def, timeZone), nil } // decodeRelatedColumnVals decodes data to Datum slice according to the row information. diff --git a/store/mockstore/unistore/cophandler/cop_handler_test.go b/store/mockstore/unistore/cophandler/cop_handler_test.go index 100756c128d73..8b1eb6cb87a3b 100644 --- a/store/mockstore/unistore/cophandler/cop_handler_test.go +++ b/store/mockstore/unistore/cophandler/cop_handler_test.go @@ -215,7 +215,7 @@ func newDagContext(store *testStore, keyRanges []kv.KeyRange, dagReq *tipb.DAGRe // return the result chunk data, rows count and err if occurs. func buildExecutorsAndExecute(dagRequest *tipb.DAGRequest, dagCtx *dagContext) ([]tipb.Chunk, int, error) { - closureExec, err := buildClosureExecutor(dagCtx, dagRequest, nil) + closureExec, err := buildClosureExecutor(dagCtx, dagRequest) if err != nil { return nil, 0, err } diff --git a/store/mockstore/unistore/cophandler/mpp.go b/store/mockstore/unistore/cophandler/mpp.go index 8bfdd2ed3aefc..994038a5f8c30 100644 --- a/store/mockstore/unistore/cophandler/mpp.go +++ b/store/mockstore/unistore/cophandler/mpp.go @@ -18,14 +18,20 @@ import ( "sync" "time" + "github.com/golang/protobuf/proto" + "github.com/ngaut/unistore/tikv/dbreader" "github.com/pingcap/errors" "github.com/pingcap/kvproto/pkg/coprocessor" "github.com/pingcap/kvproto/pkg/kvrpcpb" "github.com/pingcap/kvproto/pkg/metapb" "github.com/pingcap/kvproto/pkg/mpp" + "github.com/pingcap/tidb/expression" + "github.com/pingcap/tidb/expression/aggregation" "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/store/mockstore/unistore/client" "github.com/pingcap/tidb/store/tikv/tikvrpc" + "github.com/pingcap/tidb/util/chunk" "github.com/pingcap/tipb/go-tipb" "github.com/uber-go/atomic" ) @@ -44,6 +50,270 @@ const ( taskFinished ) +type mppExecBuilder struct { + sc *stmtctx.StatementContext + dbReader *dbreader.DBReader + req *coprocessor.Request + mppCtx *MPPCtx + dagReq *tipb.DAGRequest +} + +func (b *mppExecBuilder) buildMPPTableScan(pb *tipb.TableScan) (*tableScanExec, error) { + ranges, err := extractKVRanges(b.dbReader.StartKey, b.dbReader.EndKey, b.req.Ranges, false) + if err != nil { + return nil, errors.Trace(err) + } + ts := &tableScanExec{ + baseMPPExec: baseMPPExec{sc: b.sc, mppCtx: b.mppCtx}, + startTS: b.req.StartTs, + kvRanges: ranges, + dbReader: b.dbReader, + } + for _, col := range pb.Columns { + ft := fieldTypeFromPBColumn(col) + ts.fieldTypes = append(ts.fieldTypes, ft) + } + ts.decoder, err = newRowDecoder(pb.Columns, ts.fieldTypes, pb.PrimaryColumnIds, b.sc.TimeZone) + return ts, err +} + +func (b *mppExecBuilder) buildMPPExchangeSender(pb *tipb.ExchangeSender) (*exchSenderExec, error) { + child, err := b.buildMPPExecutor(pb.Child) + if err != nil { + return nil, err + } + + e := &exchSenderExec{ + baseMPPExec: baseMPPExec{ + sc: b.sc, + mppCtx: b.mppCtx, + children: []mppExec{child}, + fieldTypes: child.getFieldTypes(), + }, + } + + for _, taskMeta := range pb.EncodedTaskMeta { + targetTask := new(mpp.TaskMeta) + err := targetTask.Unmarshal(taskMeta) + if err != nil { + return nil, err + } + tunnel := &ExchangerTunnel{ + DataCh: make(chan *tipb.Chunk, 10), + sourceTask: b.mppCtx.TaskHandler.Meta, + targetTask: targetTask, + connectedCh: make(chan struct{}), + ErrCh: make(chan error, 1), + } + e.tunnels = append(e.tunnels, tunnel) + err = b.mppCtx.TaskHandler.registerTunnel(tunnel) + if err != nil { + return nil, err + } + } + e.outputOffsets = b.dagReq.OutputOffsets + return e, nil +} + +func (b *mppExecBuilder) buildMPPExchangeReceiver(pb *tipb.ExchangeReceiver) (*exchRecvExec, error) { + e := &exchRecvExec{ + baseMPPExec: baseMPPExec{ + sc: b.sc, + mppCtx: b.mppCtx, + }, + exchangeReceiver: pb, + } + + for _, pbType := range pb.FieldTypes { + e.fieldTypes = append(e.fieldTypes, expression.FieldTypeFromPB(pbType)) + } + return e, nil +} + +func (b *mppExecBuilder) buildMPPJoin(pb *tipb.Join, children []*tipb.Executor) (*joinExec, error) { + e := &joinExec{ + baseMPPExec: baseMPPExec{ + sc: b.sc, + mppCtx: b.mppCtx, + }, + Join: pb, + hashMap: make(map[string][]chunk.Row), + buildSideIdx: pb.InnerIdx, + } + leftCh, err := b.buildMPPExecutor(children[0]) + if err != nil { + return nil, errors.Trace(err) + } + rightCh, err := b.buildMPPExecutor(children[1]) + if err != nil { + return nil, errors.Trace(err) + } + // because the field type is immutable, so this kind of appending is safe. + e.fieldTypes = append(leftCh.getFieldTypes(), rightCh.getFieldTypes()...) + if pb.InnerIdx == 1 { + e.probeChild = leftCh + e.buildChild = rightCh + probeExpr, err := expression.PBToExpr(pb.LeftJoinKeys[0], leftCh.getFieldTypes(), b.sc) + if err != nil { + return nil, errors.Trace(err) + } + e.probeKey = probeExpr.(*expression.Column) + buildExpr, err := expression.PBToExpr(pb.RightJoinKeys[0], rightCh.getFieldTypes(), b.sc) + if err != nil { + return nil, errors.Trace(err) + } + e.buildKey = buildExpr.(*expression.Column) + } else { + e.probeChild = rightCh + e.buildChild = leftCh + buildExpr, err := expression.PBToExpr(pb.LeftJoinKeys[0], leftCh.getFieldTypes(), b.sc) + if err != nil { + return nil, errors.Trace(err) + } + e.buildKey = buildExpr.(*expression.Column) + probeExpr, err := expression.PBToExpr(pb.RightJoinKeys[0], rightCh.getFieldTypes(), b.sc) + if err != nil { + return nil, errors.Trace(err) + } + e.probeKey = probeExpr.(*expression.Column) + } + return e, nil +} + +func (b *mppExecBuilder) buildMPPProj(proj *tipb.Projection) (*projExec, error) { + e := &projExec{} + + chExec, err := b.buildMPPExecutor(proj.Child) + if err != nil { + return nil, errors.Trace(err) + } + e.children = []mppExec{chExec} + + for _, pbExpr := range proj.Exprs { + expr, err := expression.PBToExpr(pbExpr, chExec.getFieldTypes(), b.sc) + if err != nil { + return nil, errors.Trace(err) + } + e.exprs = append(e.exprs, expr) + e.fieldTypes = append(e.fieldTypes, expr.GetType()) + } + return e, nil +} + +func (b *mppExecBuilder) buildMPPSel(sel *tipb.Selection) (*selExec, error) { + chExec, err := b.buildMPPExecutor(sel.Child) + if err != nil { + return nil, errors.Trace(err) + } + e := &selExec{ + baseMPPExec: baseMPPExec{ + fieldTypes: chExec.getFieldTypes(), + sc: b.sc, + mppCtx: b.mppCtx, + children: []mppExec{chExec}, + }, + } + + for _, pbExpr := range sel.Conditions { + expr, err := expression.PBToExpr(pbExpr, chExec.getFieldTypes(), b.sc) + if err != nil { + return nil, errors.Trace(err) + } + e.conditions = append(e.conditions, expr) + } + return e, nil +} + +func (b *mppExecBuilder) buildMPPAgg(agg *tipb.Aggregation) (*aggExec, error) { + e := &aggExec{ + groups: make(map[string]struct{}), + aggCtxsMap: make(map[string][]*aggregation.AggEvaluateContext), + processed: false, + } + + chExec, err := b.buildMPPExecutor(agg.Child) + if err != nil { + return nil, errors.Trace(err) + } + e.children = []mppExec{chExec} + for _, aggFunc := range agg.AggFunc { + ft := expression.PbTypeToFieldType(aggFunc.FieldType) + e.fieldTypes = append(e.fieldTypes, ft) + aggExpr, err := aggregation.NewDistAggFunc(aggFunc, chExec.getFieldTypes(), b.sc) + if err != nil { + return nil, errors.Trace(err) + } + e.aggExprs = append(e.aggExprs, aggExpr) + } + + for _, gby := range agg.GroupBy { + ft := expression.PbTypeToFieldType(gby.FieldType) + e.fieldTypes = append(e.fieldTypes, ft) + gbyExpr, err := expression.PBToExpr(gby, chExec.getFieldTypes(), b.sc) + if err != nil { + return nil, errors.Trace(err) + } + e.groupByExprs = append(e.groupByExprs, gbyExpr) + } + return e, nil +} + +func (b *mppExecBuilder) buildMPPExecutor(exec *tipb.Executor) (mppExec, error) { + switch exec.Tp { + case tipb.ExecType_TypeTableScan: + ts := exec.TblScan + return b.buildMPPTableScan(ts) + case tipb.ExecType_TypeExchangeReceiver: + rec := exec.ExchangeReceiver + return b.buildMPPExchangeReceiver(rec) + case tipb.ExecType_TypeExchangeSender: + send := exec.ExchangeSender + return b.buildMPPExchangeSender(send) + case tipb.ExecType_TypeJoin: + join := exec.Join + return b.buildMPPJoin(join, join.Children) + case tipb.ExecType_TypeAggregation: + agg := exec.Aggregation + return b.buildMPPAgg(agg) + case tipb.ExecType_TypeProjection: + return b.buildMPPProj(exec.Projection) + case tipb.ExecType_TypeSelection: + return b.buildMPPSel(exec.Selection) + default: + return nil, errors.Errorf("Do not support executor %s", exec.Tp.String()) + } +} + +// handleMPPDAGReq handles a cop request that is converted from mpp request. +// It returns nothing. Real data will return by stream rpc. +func handleMPPDAGReq(dbReader *dbreader.DBReader, req *coprocessor.Request, mppCtx *MPPCtx) *coprocessor.Response { + dagReq := new(tipb.DAGRequest) + err := proto.Unmarshal(req.Data, dagReq) + if err != nil { + return &coprocessor.Response{OtherError: err.Error()} + } + builder := mppExecBuilder{ + dbReader: dbReader, + req: req, + mppCtx: mppCtx, + sc: flagsToStatementContext(dagReq.Flags), + dagReq: dagReq, + } + mppExec, err := builder.buildMPPExecutor(dagReq.RootExecutor) + if err != nil { + return &coprocessor.Response{OtherError: err.Error()} + } + err = mppExec.open() + if err != nil { + return &coprocessor.Response{OtherError: err.Error()} + } + _, err = mppExec.next() + if err != nil { + return &coprocessor.Response{OtherError: err.Error()} + } + return &coprocessor.Response{} +} + // MPPTaskHandler exists in a single store. type MPPTaskHandler struct { // When a connect request comes, it contains server task (source) and client task (target), Exchanger dataCh set will find dataCh by client task. @@ -101,10 +371,8 @@ func (h *MPPTaskHandler) run(ctx context.Context, addr string, req *tikvrpc.Requ func (h *MPPTaskHandler) HandleEstablishConn(_ context.Context, req *mpp.EstablishMPPConnectionRequest) (*ExchangerTunnel, error) { meta := req.ReceiverMeta for i := 0; i < 10; i++ { - h.tunnelSetLock.Lock() - tunnel, ok := h.TunnelSet[meta.TaskId] - h.tunnelSetLock.Unlock() - if ok { + tunnel, err := h.getAndActiveTunnel(req) + if err == nil { return tunnel, nil } time.Sleep(time.Second) @@ -124,18 +392,16 @@ func (h *MPPTaskHandler) registerTunnel(tunnel *ExchangerTunnel) error { return nil } -func (h *MPPTaskHandler) getAndActiveTunnel(req *mpp.EstablishMPPConnectionRequest) (*ExchangerTunnel, *mpp.Error, error) { +func (h *MPPTaskHandler) getAndActiveTunnel(req *mpp.EstablishMPPConnectionRequest) (*ExchangerTunnel, *mpp.Error) { targetID := req.ReceiverMeta.TaskId + h.tunnelSetLock.Lock() + defer h.tunnelSetLock.Unlock() if tunnel, ok := h.TunnelSet[targetID]; ok { - if tunnel.active { - // We find the dataCh, but the dataCh has been used. - return nil, &mpp.Error{Code: MPPErrEstablishConnMultiTimes, Msg: "dataCh has been connected"}, nil - } - tunnel.active = true - return tunnel, nil, nil + close(tunnel.connectedCh) + return tunnel, nil } // We dont find this dataCh, may be task not ready or have been deleted. - return nil, &mpp.Error{Code: MPPErrTunnelNotFound, Msg: "task not found, please wait for a while"}, nil + return nil, &mpp.Error{Code: MPPErrTunnelNotFound, Msg: "task not found, please wait for a while"} } // ExchangerTunnel contains a channel that can transfer data. @@ -146,8 +412,8 @@ type ExchangerTunnel struct { sourceTask *mpp.TaskMeta // source task is nearer to the data source targetTask *mpp.TaskMeta // target task is nearer to the client end , as tidb. - active bool - ErrCh chan error + connectedCh chan struct{} + ErrCh chan error } // RecvChunk recive tipb chunk diff --git a/store/mockstore/unistore/cophandler/mpp_exec.go b/store/mockstore/unistore/cophandler/mpp_exec.go new file mode 100644 index 0000000000000..7cc8e2ac60558 --- /dev/null +++ b/store/mockstore/unistore/cophandler/mpp_exec.go @@ -0,0 +1,577 @@ +// Copyright 2021 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package cophandler + +import ( + "context" + "io" + "math" + "sync" + "time" + + "github.com/ngaut/unistore/tikv/dbreader" + "github.com/pingcap/errors" + "github.com/pingcap/kvproto/pkg/kvrpcpb" + "github.com/pingcap/kvproto/pkg/mpp" + "github.com/pingcap/tidb/expression" + "github.com/pingcap/tidb/expression/aggregation" + "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/sessionctx/stmtctx" + "github.com/pingcap/tidb/store/tikv/tikvrpc" + "github.com/pingcap/tidb/tablecodec" + "github.com/pingcap/tidb/types" + "github.com/pingcap/tidb/util/chunk" + "github.com/pingcap/tidb/util/codec" + "github.com/pingcap/tidb/util/rowcodec" + "github.com/pingcap/tipb/go-tipb" +) + +// mpp executor that only servers for mpp execution +type mppExec interface { + open() error + next() (*chunk.Chunk, error) + getFieldTypes() []*types.FieldType +} + +type baseMPPExec struct { + sc *stmtctx.StatementContext + + mppCtx *MPPCtx + + children []mppExec + + fieldTypes []*types.FieldType +} + +func (b *baseMPPExec) getFieldTypes() []*types.FieldType { + return b.fieldTypes +} + +type tableScanExec struct { + baseMPPExec + + kvRanges []kv.KeyRange + startTS uint64 + dbReader *dbreader.DBReader + + chunks []*chunk.Chunk + chkIdx int + + decoder *rowcodec.ChunkDecoder +} + +func (e *tableScanExec) SkipValue() bool { return false } + +func (e *tableScanExec) Process(key, value []byte) error { + handle, err := tablecodec.DecodeRowKey(key) + if err != nil { + return errors.Trace(err) + } + chk := chunk.NewChunkWithCapacity(e.fieldTypes, 0) + err = e.decoder.DecodeToChunk(value, handle, chk) + e.chunks = append(e.chunks, chk) + if err != nil { + return errors.Trace(err) + } + return nil +} + +func (e *tableScanExec) open() error { + for _, ran := range e.kvRanges { + err := e.dbReader.Scan(ran.StartKey, ran.EndKey, math.MaxInt64, e.startTS, e) + if err != nil { + return errors.Trace(err) + } + } + return nil +} + +func (e *tableScanExec) next() (*chunk.Chunk, error) { + if e.chkIdx < len(e.chunks) { + e.chkIdx++ + return e.chunks[e.chkIdx-1], nil + } + return nil, nil +} + +type exchSenderExec struct { + baseMPPExec + + exchangeSender *tipb.ExchangeSender + tunnels []*ExchangerTunnel + outputOffsets []uint32 +} + +func (e *exchSenderExec) open() error { + return e.children[0].open() +} + +func (e *exchSenderExec) toTiPBChunk(chk *chunk.Chunk) ([]tipb.Chunk, error) { + var oldRow []types.Datum + oldChunks := make([]tipb.Chunk, 0) + for i := 0; i < chk.NumRows(); i++ { + oldRow = oldRow[:0] + for _, outputOff := range e.outputOffsets { + d := chk.GetRow(i).GetDatum(int(outputOff), e.fieldTypes[outputOff]) + oldRow = append(oldRow, d) + } + var err error + var oldRowBuf []byte + oldRowBuf, err = codec.EncodeValue(e.sc, oldRowBuf[:0], oldRow...) + if err != nil { + return nil, errors.Trace(err) + } + oldChunks = appendRow(oldChunks, oldRowBuf, i) + } + return oldChunks, nil +} + +func (e *exchSenderExec) next() (*chunk.Chunk, error) { + defer func() { + for _, tunnel := range e.tunnels { + <-tunnel.connectedCh + close(tunnel.ErrCh) + close(tunnel.DataCh) + } + }() + for { + chk, err := e.children[0].next() + if err != nil { + for _, tunnel := range e.tunnels { + tunnel.ErrCh <- err + } + return nil, nil + } else if chk != nil { + for _, tunnel := range e.tunnels { + tipbChunks, err := e.toTiPBChunk(chk) + if err != nil { + for _, tunnel := range e.tunnels { + tunnel.ErrCh <- err + } + return nil, nil + } + for _, tipbChunk := range tipbChunks { + tunnel.DataCh <- &tipbChunk + } + } + } else { + return nil, nil + } + } +} + +type exchRecvExec struct { + baseMPPExec + + exchangeReceiver *tipb.ExchangeReceiver + chk *chunk.Chunk + lock sync.Mutex + wg sync.WaitGroup + err error +} + +func (e *exchRecvExec) open() error { + e.chk = chunk.NewChunkWithCapacity(e.fieldTypes, 0) + serverMetas := make([]*mpp.TaskMeta, 0, len(e.exchangeReceiver.EncodedTaskMeta)) + for _, encodedMeta := range e.exchangeReceiver.EncodedTaskMeta { + meta := new(mpp.TaskMeta) + err := meta.Unmarshal(encodedMeta) + if err != nil { + return errors.Trace(err) + } + serverMetas = append(serverMetas, meta) + } + for _, meta := range serverMetas { + e.wg.Add(1) + go e.runTunnelWorker(e.mppCtx.TaskHandler, meta) + } + e.wg.Wait() + return e.err +} + +func (e *exchRecvExec) next() (*chunk.Chunk, error) { + if e.chk != nil { + defer func() { + e.chk = nil + }() + } + return e.chk, nil +} + +func (e *exchRecvExec) EstablishConnAndReceiveData(h *MPPTaskHandler, meta *mpp.TaskMeta) ([]*mpp.MPPDataPacket, error) { + req := &mpp.EstablishMPPConnectionRequest{ReceiverMeta: h.Meta, SenderMeta: meta} + rpcReq := tikvrpc.NewRequest(tikvrpc.CmdMPPConn, req, kvrpcpb.Context{}) + rpcResp, err := h.RPCClient.SendRequest(context.Background(), meta.Address, rpcReq, 3600*time.Second) + if err != nil { + return nil, errors.Trace(err) + } + + resp := rpcResp.Resp.(*tikvrpc.MPPStreamResponse) + + mppResponse := resp.MPPDataPacket + ret := make([]*mpp.MPPDataPacket, 0, 3) + for { + if mppResponse == nil { + return ret, nil + } + if mppResponse.Error != nil { + return nil, errors.New(mppResponse.Error.Msg) + } + ret = append(ret, mppResponse) + mppResponse, err = resp.Recv() + if err != nil { + if errors.Cause(err) == io.EOF { + return ret, nil + } + return nil, errors.Trace(err) + } + if mppResponse == nil { + return ret, nil + } + } +} + +func (e *exchRecvExec) runTunnelWorker(h *MPPTaskHandler, meta *mpp.TaskMeta) { + defer func() { + e.wg.Done() + }() + + var ( + err error + resp []*mpp.MPPDataPacket + ) + + resp, err = e.EstablishConnAndReceiveData(h, meta) + if err != nil { + e.err = err + return + } + for _, mppData := range resp { + var selectResp tipb.SelectResponse + err = selectResp.Unmarshal(mppData.Data) + if err != nil { + e.err = err + return + } + for _, tipbChunk := range selectResp.Chunks { + chk := chunk.NewChunkWithCapacity(e.fieldTypes, 0) + err = pbChunkToChunk(tipbChunk, chk, e.fieldTypes) + if err != nil { + e.err = err + return + } + e.lock.Lock() + e.chk.Append(chk, 0, chk.NumRows()) + e.lock.Unlock() + } + } +} + +// TODO: Let the join support conditions / multiple keys +type joinExec struct { + baseMPPExec + + *tipb.Join + + hashMap map[string][]chunk.Row + + buildKey *expression.Column + probeKey *expression.Column + + buildSideIdx int64 + + built bool + + buildChild mppExec + probeChild mppExec + + idx int + reservedRows []chunk.Row +} + +func (e *joinExec) buildHashTable() error { + for { + chk, err := e.buildChild.next() + if err != nil { + return errors.Trace(err) + } + if chk == nil { + return nil + } + rows := chk.NumRows() + for i := 0; i < rows; i++ { + row := chk.GetRow(i) + keyCol := row.GetDatum(e.buildKey.Index, e.buildChild.getFieldTypes()[e.buildKey.Index]) + key, err := keyCol.ToString() + if err != nil { + return errors.Trace(err) + } + if rowSet, ok := e.hashMap[key]; ok { + rowSet = append(rowSet, row) + e.hashMap[key] = rowSet + } else { + e.hashMap[key] = []chunk.Row{row} + } + } + } +} + +func (e *joinExec) fetchRows() (bool, error) { + chk, err := e.probeChild.next() + if err != nil { + return false, errors.Trace(err) + } + if chk == nil { + return true, nil + } + e.idx = 0 + e.reservedRows = make([]chunk.Row, 0) + chkSize := chk.NumRows() + for i := 0; i < chkSize; i++ { + row := chk.GetRow(i) + i++ + keyCol := row.GetDatum(e.probeKey.Index, e.probeChild.getFieldTypes()[e.probeKey.Index]) + key, err := keyCol.ToString() + if err != nil { + return false, errors.Trace(err) + } + if rowSet, ok := e.hashMap[key]; ok { + for _, matched := range rowSet { + newRow := chunk.MutRowFromTypes(e.fieldTypes) + if e.buildSideIdx == 0 { + newRow.ShallowCopyPartialRow(0, matched) + newRow.ShallowCopyPartialRow(matched.Len(), row) + } else { + newRow.ShallowCopyPartialRow(0, row) + newRow.ShallowCopyPartialRow(row.Len(), matched) + } + e.reservedRows = append(e.reservedRows, newRow.ToRow()) + } + } + } + return false, nil +} + +func (e *joinExec) open() error { + err := e.buildChild.open() + if err != nil { + return errors.Trace(err) + } + err = e.probeChild.open() + if err != nil { + return errors.Trace(err) + } + err = e.buildHashTable() + return errors.Trace(err) +} + +func (e *joinExec) next() (*chunk.Chunk, error) { + for { + if e.idx < len(e.reservedRows) { + idx := e.idx + e.idx++ + return e.reservedRows[idx].Chunk(), nil + } + eof, err := e.fetchRows() + if err != nil { + return nil, errors.Trace(err) + } + if eof { + return nil, nil + } + } +} + +type aggExec struct { + baseMPPExec + + aggExprs []aggregation.Aggregation + groupByExprs []expression.Expression + groups map[string]struct{} + groupKeys [][]byte + aggCtxsMap map[string][]*aggregation.AggEvaluateContext + + processed bool +} + +func (e *aggExec) open() error { + return e.children[0].open() +} + +func (e *aggExec) getGroupKey(row chunk.Row) ([]byte, error) { + length := len(e.groupByExprs) + if length == 0 { + return nil, nil + } + key := make([]byte, 0, 32) + for _, item := range e.groupByExprs { + v, err := item.Eval(row) + if err != nil { + return nil, errors.Trace(err) + } + b, err := codec.EncodeValue(e.sc, nil, v) + if err != nil { + return nil, errors.Trace(err) + } + key = append(key, b...) + } + return key, nil +} + +func (e *aggExec) getContexts(groupKey []byte) []*aggregation.AggEvaluateContext { + aggCtxs, ok := e.aggCtxsMap[string(groupKey)] + if !ok { + aggCtxs = make([]*aggregation.AggEvaluateContext, 0, len(e.aggExprs)) + for _, agg := range e.aggExprs { + aggCtxs = append(aggCtxs, agg.CreateContext(e.sc)) + } + e.aggCtxsMap[string(groupKey)] = aggCtxs + } + return aggCtxs +} + +func (e *aggExec) processAllRows() (*chunk.Chunk, error) { + for { + chk, err := e.children[0].next() + if err != nil { + return nil, errors.Trace(err) + } + if chk == nil { + break + } + rows := chk.NumRows() + for i := 0; i < rows; i++ { + row := chk.GetRow(i) + gk, err := e.getGroupKey(row) + if err != nil { + return nil, errors.Trace(err) + } + if _, ok := e.groups[string(gk)]; !ok { + e.groups[string(gk)] = struct{}{} + e.groupKeys = append(e.groupKeys, gk) + } + + aggCtxs := e.getContexts(gk) + for i, agg := range e.aggExprs { + err = agg.Update(aggCtxs[i], e.sc, row) + if err != nil { + return nil, errors.Trace(err) + } + } + } + } + + chk := chunk.NewChunkWithCapacity(e.fieldTypes, 0) + + for _, gk := range e.groupKeys { + newRow := chunk.MutRowFromTypes(e.fieldTypes) + aggCtxs := e.getContexts(gk) + for i, agg := range e.aggExprs { + partialResults := agg.GetPartialResult(aggCtxs[i]) + newRow.SetDatum(i, partialResults[0]) + } + chk.AppendRow(newRow.ToRow()) + } + return chk, nil +} + +func (e *aggExec) next() (*chunk.Chunk, error) { + if !e.processed { + e.processed = true + return e.processAllRows() + } + return nil, nil +} + +type selExec struct { + baseMPPExec + + conditions []expression.Expression +} + +func (e *selExec) open() error { + return e.children[0].open() +} + +func (e *selExec) next() (*chunk.Chunk, error) { + chk, err := e.children[0].next() + if err != nil { + return nil, errors.Trace(err) + } + if chk == nil { + return nil, nil + } + for rows := chk.NumRows() - 1; rows >= 0; rows-- { + row := chk.GetRow(rows) + for _, cond := range e.conditions { + d, err := cond.Eval(row) + if err != nil { + return nil, errors.Trace(err) + } + + var passCheck bool + if d.IsNull() { + passCheck = false + } else { + isBool, err := d.ToBool(e.sc) + if err != nil { + return nil, errors.Trace(err) + } + isBool, err = expression.HandleOverflowOnSelection(e.sc, isBool, err) + if err != nil { + return nil, errors.Trace(err) + } + passCheck = isBool != 0 + } + if !passCheck { + chk.TruncateTo(rows) + break + } + } + } + return chk, nil +} + +type projExec struct { + baseMPPExec + exprs []expression.Expression +} + +func (e *projExec) open() error { + return e.children[0].open() +} + +func (e *projExec) next() (*chunk.Chunk, error) { + chk, err := e.children[0].next() + if err != nil { + return nil, errors.Trace(err) + } + if chk == nil { + return nil, nil + } + newChunk := chunk.NewChunkWithCapacity(e.fieldTypes, 10) + for i := 0; i < chk.NumRows(); i++ { + row := chk.GetRow(i) + newRow := chunk.MutRowFromTypes(e.fieldTypes) + for i, expr := range e.exprs { + d, err := expr.Eval(row) + if err != nil { + return nil, errors.Trace(err) + } + newRow.SetDatum(i, d) + } + newChunk.AppendRow(newRow.ToRow()) + } + return newChunk, nil +} diff --git a/store/mockstore/unistore/rpc.go b/store/mockstore/unistore/rpc.go index 0a9e465a20623..fe88a286d3c2c 100644 --- a/store/mockstore/unistore/rpc.go +++ b/store/mockstore/unistore/rpc.go @@ -299,7 +299,9 @@ func (c *RPCClient) handleEstablishMPPConnection(ctx context.Context, r *mpp.Est streamResp.Timeout = timeout first, err := streamResp.Recv() if err != nil { - return nil, errors.Trace(err) + if errors.Cause(err) != io.EOF { + return nil, errors.Trace(err) + } } streamResp.MPPDataPacket = first return streamResp, nil From d57231205fb3c215347ad0fa25616b8f155a9ce0 Mon Sep 17 00:00:00 2001 From: Arenatlx <314806019@qq.com> Date: Tue, 2 Feb 2021 14:24:44 +0800 Subject: [PATCH 0747/1021] cmd: migrate the Execute interface to ExecuteInternal in cmd package (#22647) Signed-off-by: AilinKid <314806019@qq.com> --- cmd/benchdb/main.go | 35 +++++++++++++++++------------------ cmd/ddltest/column_test.go | 10 +++++----- cmd/ddltest/ddl_test.go | 6 +++--- 3 files changed, 25 insertions(+), 26 deletions(-) diff --git a/cmd/benchdb/main.go b/cmd/benchdb/main.go index 1eebcc3b62cea..a12c5523936ee 100644 --- a/cmd/benchdb/main.go +++ b/cmd/benchdb/main.go @@ -97,7 +97,7 @@ func newBenchDB() *benchDB { terror.MustNil(err) se, err := session.CreateSession(store) terror.MustNil(err) - _, err = se.Execute(context.Background(), "use test") + _, err = se.ExecuteInternal(context.Background(), "use test") terror.MustNil(err) return &benchDB{ @@ -106,10 +106,11 @@ func newBenchDB() *benchDB { } } -func (ut *benchDB) mustExec(sql string) { - rss, err := ut.session.Execute(context.Background(), sql) +func (ut *benchDB) mustExec(sql string, args ...interface{}) { + // executeInternal only return one resultSet for this. + rs, err := ut.session.ExecuteInternal(context.Background(), sql, args...) defer func() { - for _, rs := range rss { + if rs != nil { err = rs.Close() if err != nil { log.Fatal(err.Error()) @@ -120,9 +121,8 @@ func (ut *benchDB) mustExec(sql string) { log.Fatal(err.Error()) return } - if len(rss) > 0 { + if rs != nil { ctx := context.Background() - rs := rss[0] req := rs.NewChunk() for { err := rs.Next(ctx, req) @@ -179,7 +179,7 @@ func (ut *benchDB) mustParseSpec(s string) (start, end, count int) { func (ut *benchDB) createTable() { cLog("create table") - createSQL := "CREATE TABLE IF NOT EXISTS " + *tableName + ` ( + createSQL := `CREATE TABLE IF NOT EXISTS %n ( id bigint(20) NOT NULL, name varchar(32) NOT NULL, exp bigint(20) NOT NULL DEFAULT '0', @@ -187,12 +187,12 @@ func (ut *benchDB) createTable() { PRIMARY KEY (id), UNIQUE KEY name (name) )` - ut.mustExec(createSQL) + ut.mustExec(createSQL, *tableName) } func (ut *benchDB) truncateTable() { cLog("truncate table") - ut.mustExec("truncate table " + *tableName) + ut.mustExec("truncate table %n", *tableName) } func (ut *benchDB) runCountTimes(name string, count int, f func()) { @@ -234,9 +234,8 @@ func (ut *benchDB) insertRows(spec string) { break } rand.Read(buf) - insetQuery := fmt.Sprintf("insert %s (id, name, data) values (%d, '%d', '%x')", - *tableName, id, id, buf) - ut.mustExec(insetQuery) + insertQuery := "insert %n (id, name, data) values(%?, %?, %?)" + ut.mustExec(insertQuery, *tableName, id, id, buf) id++ } ut.mustExec("commit") @@ -254,8 +253,8 @@ func (ut *benchDB) updateRandomRows(spec string) { break } id := rand.Intn(end-start) + start - updateQuery := fmt.Sprintf("update %s set exp = exp + 1 where id = %d", *tableName, id) - ut.mustExec(updateQuery) + updateQuery := "update %n set exp = exp + 1 where id = %?" + ut.mustExec(updateQuery, *tableName, id) runCount++ } ut.mustExec("commit") @@ -266,8 +265,8 @@ func (ut *benchDB) updateRangeRows(spec string) { start, end, count := ut.mustParseSpec(spec) ut.runCountTimes("update-range", count, func() { ut.mustExec("begin") - updateQuery := fmt.Sprintf("update %s set exp = exp + 1 where id >= %d and id < %d", *tableName, start, end) - ut.mustExec(updateQuery) + updateQuery := "update %n set exp = exp + 1 where id >= %? and id < %?" + ut.mustExec(updateQuery, *tableName, start, end) ut.mustExec("commit") }) } @@ -275,8 +274,8 @@ func (ut *benchDB) updateRangeRows(spec string) { func (ut *benchDB) selectRows(spec string) { start, end, count := ut.mustParseSpec(spec) ut.runCountTimes("select", count, func() { - selectQuery := fmt.Sprintf("select * from %s where id >= %d and id < %d", *tableName, start, end) - ut.mustExec(selectQuery) + selectQuery := "select * from %n where id >= %? and id < %?" + ut.mustExec(selectQuery, *tableName, start, end) }) } diff --git a/cmd/ddltest/column_test.go b/cmd/ddltest/column_test.go index adfd7dfe3c866..c29d271ea0b2e 100644 --- a/cmd/ddltest/column_test.go +++ b/cmd/ddltest/column_test.go @@ -211,15 +211,15 @@ func (s *TestDDLSuite) TestCommitWhenSchemaChanged(c *C) { s1, err := session.CreateSession(s.store) c.Assert(err, IsNil) ctx := goctx.Background() - _, err = s1.Execute(ctx, "use test_ddl") + _, err = s1.ExecuteInternal(ctx, "use test_ddl") c.Assert(err, IsNil) - s1.Execute(ctx, "begin") - s1.Execute(ctx, "insert into test_commit values (3, 3)") + s1.ExecuteInternal(ctx, "begin") + s1.ExecuteInternal(ctx, "insert into test_commit values (3, 3)") s.mustExec(c, "alter table test_commit drop column b") // When this transaction commit, it will find schema already changed. - s1.Execute(ctx, "insert into test_commit values (4, 4)") - _, err = s1.Execute(ctx, "commit") + s1.ExecuteInternal(ctx, "insert into test_commit values (4, 4)") + _, err = s1.ExecuteInternal(ctx, "commit") c.Assert(terror.ErrorEqual(err, plannercore.ErrWrongValueCountOnRow), IsTrue, Commentf("err %v", err)) } diff --git a/cmd/ddltest/ddl_test.go b/cmd/ddltest/ddl_test.go index 9226946f67718..c15058d8da76a 100644 --- a/cmd/ddltest/ddl_test.go +++ b/cmd/ddltest/ddl_test.go @@ -116,7 +116,7 @@ func (s *TestDDLSuite) SetUpSuite(c *C) { s.ctx = s.s.(sessionctx.Context) goCtx := goctx.Background() - _, err = s.s.Execute(goCtx, "create database if not exists test_ddl") + _, err = s.s.ExecuteInternal(goCtx, "create database if not exists test_ddl") c.Assert(err, IsNil) s.Bootstrap(c) @@ -131,7 +131,7 @@ func (s *TestDDLSuite) SetUpSuite(c *C) { s.dom, err = session.BootstrapSession(s.store) c.Assert(err, IsNil) s.ctx = s.s.(sessionctx.Context) - _, err = s.s.Execute(goCtx, "use test_ddl") + _, err = s.s.ExecuteInternal(goCtx, "use test_ddl") c.Assert(err, IsNil) addEnvPath("..") @@ -450,7 +450,7 @@ func (s *TestDDLSuite) getServer() *server { func (s *TestDDLSuite) runDDL(sql string) chan error { done := make(chan error, 1) go func() { - _, err := s.s.Execute(goctx.Background(), sql) + _, err := s.s.ExecuteInternal(goctx.Background(), sql) // We must wait 2 * lease time to guarantee all servers update the schema. if err == nil { time.Sleep(time.Duration(*lease) * time.Second * 2) From 44641c32825b57b98c685c18c57ceed27c94af60 Mon Sep 17 00:00:00 2001 From: Chengpeng Yan <41809508+Reminiscent@users.noreply.github.com> Date: Tue, 2 Feb 2021 15:39:44 +0800 Subject: [PATCH 0748/1021] planner: change the content of AnalyzeTableID to build global-stats (#22554) --- executor/analyze.go | 79 ++++++++-------- executor/analyze_test.go | 4 +- executor/builder.go | 10 +- planner/core/cbo_test.go | 1 + planner/core/common_plans.go | 48 ++++------ planner/core/planbuilder.go | 77 +++++----------- planner/core/testdata/analyze_suite_out.json | 4 +- util/ranger/ranger_test.go | 2 + util/ranger/testdata/ranger_suite_out.json | 97 +++++++++++++------- 9 files changed, 156 insertions(+), 166 deletions(-) diff --git a/executor/analyze.go b/executor/analyze.go index 2b8209d753d22..b9c799f55b72f 100644 --- a/executor/analyze.go +++ b/executor/analyze.go @@ -111,8 +111,9 @@ func (e *AnalyzeExec) Next(ctx context.Context, req *chunk.Chunk) error { result.job.Finish(true) continue } + statisticsID := result.TableID.GetStatisticsID() for i, hg := range result.Hist { - err1 := statsHandle.SaveStatsToStorage(result.TableID.PersistID, result.Count, result.IsIndex, hg, result.Cms[i], result.TopNs[i], result.StatsVer, 1) + err1 := statsHandle.SaveStatsToStorage(statisticsID, result.Count, result.IsIndex, hg, result.Cms[i], result.TopNs[i], result.StatsVer, 1) if err1 != nil { err = err1 logutil.Logger(ctx).Error("save stats to storage failed", zap.Error(err)) @@ -120,7 +121,7 @@ func (e *AnalyzeExec) Next(ctx context.Context, req *chunk.Chunk) error { continue } } - if err1 := statsHandle.SaveExtendedStatsToStorage(result.TableID.PersistID, result.ExtStats, false); err1 != nil { + if err1 := statsHandle.SaveExtendedStatsToStorage(statisticsID, result.ExtStats, false); err1 != nil { err = err1 logutil.Logger(ctx).Error("save extended stats to storage failed", zap.Error(err)) result.job.Finish(true) @@ -280,9 +281,9 @@ func (e *AnalyzeIndexExec) fetchAnalyzeResult(ranges []*ranger.Range, isNullRang var builder distsql.RequestBuilder var kvReqBuilder *distsql.RequestBuilder if e.isCommonHandle && e.idxInfo.Primary { - kvReqBuilder = builder.SetHandleRangesForTables(e.ctx.GetSessionVars().StmtCtx, e.tableID.CollectIDs, true, ranges, nil) + kvReqBuilder = builder.SetHandleRangesForTables(e.ctx.GetSessionVars().StmtCtx, []int64{e.tableID.GetStatisticsID()}, true, ranges, nil) } else { - kvReqBuilder = builder.SetIndexRangesForTables(e.ctx.GetSessionVars().StmtCtx, e.tableID.CollectIDs, e.idxInfo.ID, ranges) + kvReqBuilder = builder.SetIndexRangesForTables(e.ctx.GetSessionVars().StmtCtx, []int64{e.tableID.GetStatisticsID()}, e.idxInfo.ID, ranges) } kvReq, err := kvReqBuilder. SetAnalyzeRequest(e.analyzePB). @@ -499,7 +500,7 @@ func (e *AnalyzeColumnsExec) open(ranges []*ranger.Range) error { func (e *AnalyzeColumnsExec) buildResp(ranges []*ranger.Range) (distsql.SelectResult, error) { var builder distsql.RequestBuilder - reqBuilder := builder.SetHandleRangesForTables(e.ctx.GetSessionVars().StmtCtx, e.tableID.CollectIDs, e.handleCols != nil && !e.handleCols.IsInt(), ranges, nil) + reqBuilder := builder.SetHandleRangesForTables(e.ctx.GetSessionVars().StmtCtx, []int64{e.tableID.GetStatisticsID()}, e.handleCols != nil && !e.handleCols.IsInt(), ranges, nil) // Always set KeepOrder of the request to be true, in order to compute // correct `correlation` of columns. kvReq, err := reqBuilder. @@ -623,7 +624,7 @@ func (e *AnalyzeColumnsExec) buildStats(ranges []*ranger.Range, needExtStats boo } if needExtStats { statsHandle := domain.GetDomain(e.ctx).StatsHandle() - extStats, err = statsHandle.BuildExtendedStats(e.tableID.PersistID, e.colsInfo, collectors) + extStats, err = statsHandle.BuildExtendedStats(e.tableID.GetStatisticsID(), e.colsInfo, collectors) if err != nil { return nil, nil, nil, nil, err } @@ -719,7 +720,7 @@ type AnalyzeFastExec struct { } func (e *AnalyzeFastExec) calculateEstimateSampleStep() (err error) { - sql := fmt.Sprintf("select flag from mysql.stats_histograms where table_id = %d;", e.tableID.PersistID) + sql := fmt.Sprintf("select flag from mysql.stats_histograms where table_id = %d;", e.tableID.GetStatisticsID()) var rows []chunk.Row rows, _, err = e.ctx.(sqlexec.RestrictedSQLExecutor).ExecRestrictedSQL(sql) if err != nil { @@ -728,7 +729,7 @@ func (e *AnalyzeFastExec) calculateEstimateSampleStep() (err error) { var historyRowCount uint64 hasBeenAnalyzed := len(rows) != 0 && rows[0].GetInt64(0) == statistics.AnalyzeFlag if hasBeenAnalyzed { - historyRowCount = uint64(domain.GetDomain(e.ctx).StatsHandle().GetPartitionStats(e.tblInfo, e.tableID.PersistID).Count) + historyRowCount = uint64(domain.GetDomain(e.ctx).StatsHandle().GetPartitionStats(e.tblInfo, e.tableID.GetStatisticsID()).Count) } else { dbInfo, ok := domain.GetDomain(e.ctx).InfoSchema().SchemaByTable(e.tblInfo) if !ok { @@ -745,10 +746,11 @@ func (e *AnalyzeFastExec) calculateEstimateSampleStep() (err error) { err = rollbackFn() } }() + pruneMode := variable.PartitionPruneMode(e.ctx.GetSessionVars().PartitionPruneMode.Load()) var partition string - if e.tableID.StoreAsCollectID() && e.tblInfo.ID != e.tableID.PersistID { + if pruneMode != variable.DynamicOnly && e.tblInfo.ID != e.tableID.GetStatisticsID() { for _, definition := range e.tblInfo.Partition.Definitions { - if definition.ID == e.tableID.PersistID { + if definition.ID == e.tableID.GetStatisticsID() { partition = fmt.Sprintf(" partition(%s)", definition.Name.L) break } @@ -809,37 +811,36 @@ func (e *AnalyzeFastExec) buildSampTask() (err error) { store, _ := e.ctx.GetStore().(tikv.Storage) e.cache = store.GetRegionCache() accessRegionsCounter := 0 - for _, pid := range e.tableID.CollectIDs { - startKey, endKey := tablecodec.GetTableHandleKeyRange(pid) - targetKey := startKey - for { - // Search for the region which contains the targetKey. - loc, err := e.cache.LocateKey(bo, targetKey) - if err != nil { - return err - } - if bytes.Compare(endKey, loc.StartKey) < 0 { - break - } - accessRegionsCounter++ + pid := e.tableID.GetStatisticsID() + startKey, endKey := tablecodec.GetTableHandleKeyRange(pid) + targetKey := startKey + for { + // Search for the region which contains the targetKey. + loc, err := e.cache.LocateKey(bo, targetKey) + if err != nil { + return err + } + if bytes.Compare(endKey, loc.StartKey) < 0 { + break + } + accessRegionsCounter++ - // Set the next search key. - targetKey = loc.EndKey + // Set the next search key. + targetKey = loc.EndKey - // If the KV pairs in the region all belonging to the table, add it to the sample task. - if bytes.Compare(startKey, loc.StartKey) <= 0 && len(loc.EndKey) != 0 && bytes.Compare(loc.EndKey, endKey) <= 0 { - e.sampTasks = append(e.sampTasks, loc) - continue - } + // If the KV pairs in the region all belonging to the table, add it to the sample task. + if bytes.Compare(startKey, loc.StartKey) <= 0 && len(loc.EndKey) != 0 && bytes.Compare(loc.EndKey, endKey) <= 0 { + e.sampTasks = append(e.sampTasks, loc) + continue + } - e.scanTasks = append(e.scanTasks, loc) - if bytes.Compare(loc.StartKey, startKey) < 0 { - loc.StartKey = startKey - } - if bytes.Compare(endKey, loc.EndKey) < 0 || len(loc.EndKey) == 0 { - loc.EndKey = endKey - break - } + e.scanTasks = append(e.scanTasks, loc) + if bytes.Compare(loc.StartKey, startKey) < 0 { + loc.StartKey = startKey + } + if bytes.Compare(endKey, loc.EndKey) < 0 || len(loc.EndKey) == 0 { + loc.EndKey = endKey + break } } fastAnalyzeHistogramAccessRegions.Observe(float64(accessRegionsCounter)) @@ -1147,7 +1148,7 @@ func (e *AnalyzeFastExec) runTasks() ([]*statistics.Histogram, []*statistics.CMS stats := domain.GetDomain(e.ctx).StatsHandle() var rowCount int64 = 0 if stats.Lease() > 0 { - if t := stats.GetPartitionStats(e.tblInfo, e.tableID.PersistID); !t.Pseudo { + if t := stats.GetPartitionStats(e.tblInfo, e.tableID.GetStatisticsID()); !t.Pseudo { rowCount = t.Count } } diff --git a/executor/analyze_test.go b/executor/analyze_test.go index 02a20e787f5fa..79060326cc04a 100644 --- a/executor/analyze_test.go +++ b/executor/analyze_test.go @@ -345,8 +345,8 @@ func (s *testFastAnalyze) TestAnalyzeFastSample(c *C) { IdxsInfo: indicesInfo, Concurrency: 1, TableID: core.AnalyzeTableID{ - CollectIDs: []int64{tbl.(table.PhysicalTable).GetPhysicalID()}, - PersistID: tbl.(table.PhysicalTable).GetPhysicalID(), + PartitionID: -1, + TableID: tbl.(table.PhysicalTable).GetPhysicalID(), }, TblInfo: tblInfo, Opts: opts, diff --git a/executor/builder.go b/executor/builder.go index e22a3224e67dc..da31b63988270 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -1963,7 +1963,7 @@ func (b *executorBuilder) buildAnalyzeIndexPushdown(task plannercore.AnalyzeInde func (b *executorBuilder) buildAnalyzeIndexIncremental(task plannercore.AnalyzeIndexTask, opts map[ast.AnalyzeOptionType]uint64) *analyzeTask { h := domain.GetDomain(b.ctx).StatsHandle() - statsTbl := h.GetPartitionStats(&model.TableInfo{}, task.TableID.PersistID) + statsTbl := h.GetPartitionStats(&model.TableInfo{}, task.TableID.GetStatisticsID()) analyzeTask := b.buildAnalyzeIndexPushdown(task, opts, "") if statsTbl.Pseudo { return analyzeTask @@ -2045,7 +2045,7 @@ func (b *executorBuilder) buildAnalyzeColumnsPushdown(task plannercore.AnalyzeCo func (b *executorBuilder) buildAnalyzePKIncremental(task plannercore.AnalyzeColumnsTask, opts map[ast.AnalyzeOptionType]uint64) *analyzeTask { h := domain.GetDomain(b.ctx).StatsHandle() - statsTbl := h.GetPartitionStats(&model.TableInfo{}, task.TableID.PersistID) + statsTbl := h.GetPartitionStats(&model.TableInfo{}, task.TableID.GetStatisticsID()) analyzeTask := b.buildAnalyzeColumnsPushdown(task, opts, "") if statsTbl.Pseudo { return analyzeTask @@ -2185,11 +2185,7 @@ func (b *executorBuilder) buildAnalyze(v *plannercore.Analyze) Executor { if enableFastAnalyze { b.buildAnalyzeFastIndex(e, task, v.Opts) } else { - if task.TableID.StoreAsCollectID() && len(task.TableID.CollectIDs) > 1 && !task.IndexInfo.Global && !task.IndexInfo.Unique { - b.buildAnalyzeFastIndex(e, task, v.Opts) - } else { - e.tasks = append(e.tasks, b.buildAnalyzeIndexPushdown(task, v.Opts, autoAnalyze)) - } + e.tasks = append(e.tasks, b.buildAnalyzeIndexPushdown(task, v.Opts, autoAnalyze)) } } if b.err != nil { diff --git a/planner/core/cbo_test.go b/planner/core/cbo_test.go index 7c3b428763d32..c13846c09888a 100644 --- a/planner/core/cbo_test.go +++ b/planner/core/cbo_test.go @@ -355,6 +355,7 @@ func (s *testAnalyzeSuite) TestAnalyze(c *C) { testKit.MustExec("create table t3 (a int, b int)") testKit.MustExec("create index a on t3 (a)") + testKit.MustExec("set @@tidb_partition_prune_mode = 'static-only';") testKit.MustExec("create table t4 (a int, b int) partition by range (a) (partition p1 values less than (2), partition p2 values less than (3))") testKit.MustExec("create index a on t4 (a)") testKit.MustExec("create index b on t4 (b)") diff --git a/planner/core/common_plans.go b/planner/core/common_plans.go index 6761b27baed1f..820adb468284c 100644 --- a/planner/core/common_plans.go +++ b/planner/core/common_plans.go @@ -761,18 +761,31 @@ type Delete struct { // AnalyzeTableID is hybrid table id used to analyze table. type AnalyzeTableID struct { - PersistID int64 - CollectIDs []int64 + TableID int64 + // PartitionID is used for the construction of partition table statistics. It indicate the ID of the partition. + // If the table is not the partition table, the PartitionID will be equal to -1. + PartitionID int64 +} + +// GetStatisticsID is used to obtain the table ID to build statistics. +// If the 'PartitionID == -1', we use the TableID to build the statistics for non-partition tables. +// Otherwise, we use the PartitionID to build the statistics of the partitions in the partition tables. +func (h *AnalyzeTableID) GetStatisticsID() int64 { + statisticsID := h.TableID + if h.PartitionID != -1 { + statisticsID = h.PartitionID + } + return statisticsID } -// StoreAsCollectID indicates whether collect table id is same as persist table id. +// IsPartitionTable indicates whether the table is partition table. // for new partition implementation is TRUE but FALSE for old partition implementation -func (h *AnalyzeTableID) StoreAsCollectID() bool { - return h.PersistID == h.CollectIDs[0] +func (h *AnalyzeTableID) IsPartitionTable() bool { + return h.PartitionID != -1 } func (h *AnalyzeTableID) String() string { - return fmt.Sprintf("%d => %v", h.CollectIDs, h.PersistID) + return fmt.Sprintf("%d => %v", h.PartitionID, h.TableID) } // Equals indicates whether two table id is equal. @@ -783,28 +796,7 @@ func (h *AnalyzeTableID) Equals(t *AnalyzeTableID) bool { if h == nil || t == nil { return false } - if h.PersistID != t.PersistID { - return false - } - if len(h.CollectIDs) != len(t.CollectIDs) { - return false - } - if len(h.CollectIDs) == 1 { - return h.CollectIDs[0] == t.CollectIDs[0] - } - for _, hp := range h.CollectIDs { - var matchOne bool - for _, tp := range t.CollectIDs { - if tp == hp { - matchOne = true - break - } - } - if !matchOne { - return false - } - } - return true + return h.TableID == t.TableID && h.PartitionID == t.PartitionID } // analyzeInfo is used to store the database name, table name and partition name of analyze task. diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index 70c0b792e25f3..11c838fe9582a 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -1695,20 +1695,11 @@ func (b *PlanBuilder) buildAnalyzeTable(as *ast.AnalyzeTableStmt, opts map[ast.A return nil, err } for _, idx := range idxInfo { - if pruneMode == variable.StaticOnly || (pruneMode == variable.StaticButPrepareDynamic && !b.ctx.GetSessionVars().InRestrictedSQL) { - // static mode or static-but-prepare-dynamic mode not belong auto analyze need analyze each partition - // for static-but-prepare-dynamic mode with auto analyze, echo partition will be check before analyze partition. - for i, id := range physicalIDs { - info := analyzeInfo{DBName: tbl.Schema.O, TableName: tbl.Name.O, PartitionName: names[i], TableID: AnalyzeTableID{PersistID: id, CollectIDs: []int64{id}}, Incremental: as.Incremental} - p.IdxTasks = append(p.IdxTasks, AnalyzeIndexTask{ - IndexInfo: idx, - analyzeInfo: info, - TblInfo: tbl.TableInfo, - }) + for i, id := range physicalIDs { + if id == tbl.TableInfo.ID { + id = -1 } - } - if pruneMode == variable.DynamicOnly || pruneMode == variable.StaticButPrepareDynamic { - info := analyzeInfo{DBName: tbl.Schema.O, TableName: tbl.Name.O, TableID: AnalyzeTableID{PersistID: tbl.TableInfo.ID, CollectIDs: physicalIDs}, Incremental: as.Incremental} + info := analyzeInfo{DBName: tbl.Schema.O, TableName: tbl.Name.O, PartitionName: names[i], TableID: AnalyzeTableID{TableID: tbl.TableInfo.ID, PartitionID: id}, Incremental: as.Incremental} p.IdxTasks = append(p.IdxTasks, AnalyzeIndexTask{ IndexInfo: idx, analyzeInfo: info, @@ -1718,19 +1709,11 @@ func (b *PlanBuilder) buildAnalyzeTable(as *ast.AnalyzeTableStmt, opts map[ast.A } handleCols := BuildHandleColsForAnalyze(b.ctx, tbl.TableInfo) if len(colInfo) > 0 || handleCols != nil { - if pruneMode == variable.StaticOnly || pruneMode == variable.StaticButPrepareDynamic { - for i, id := range physicalIDs { - info := analyzeInfo{DBName: tbl.Schema.O, TableName: tbl.Name.O, PartitionName: names[i], TableID: AnalyzeTableID{PersistID: id, CollectIDs: []int64{id}}, Incremental: as.Incremental} - p.ColTasks = append(p.ColTasks, AnalyzeColumnsTask{ - HandleCols: handleCols, - ColsInfo: colInfo, - analyzeInfo: info, - TblInfo: tbl.TableInfo, - }) + for i, id := range physicalIDs { + if id == tbl.TableInfo.ID { + id = -1 } - } - if pruneMode == variable.DynamicOnly || pruneMode == variable.StaticButPrepareDynamic { - info := analyzeInfo{DBName: tbl.Schema.O, TableName: tbl.Name.O, TableID: AnalyzeTableID{PersistID: tbl.TableInfo.ID, CollectIDs: physicalIDs}, Incremental: as.Incremental} + info := analyzeInfo{DBName: tbl.Schema.O, TableName: tbl.Name.O, PartitionName: names[i], TableID: AnalyzeTableID{TableID: tbl.TableInfo.ID, PartitionID: id}, Incremental: as.Incremental} p.ColTasks = append(p.ColTasks, AnalyzeColumnsTask{ HandleCols: handleCols, ColsInfo: colInfo, @@ -1759,14 +1742,11 @@ func (b *PlanBuilder) buildAnalyzeIndex(as *ast.AnalyzeTableStmt, opts map[ast.A if isPrimaryIndex(idxName) { handleCols := BuildHandleColsForAnalyze(b.ctx, tblInfo) if handleCols != nil { - if pruneMode == variable.StaticOnly || pruneMode == variable.StaticButPrepareDynamic { - for i, id := range physicalIDs { - info := analyzeInfo{DBName: as.TableNames[0].Schema.O, TableName: as.TableNames[0].Name.O, PartitionName: names[i], TableID: AnalyzeTableID{PersistID: id, CollectIDs: []int64{id}}, Incremental: as.Incremental} - p.ColTasks = append(p.ColTasks, AnalyzeColumnsTask{HandleCols: handleCols, analyzeInfo: info, TblInfo: tblInfo}) + for i, id := range physicalIDs { + if id == tblInfo.ID { + id = -1 } - } - if pruneMode == variable.DynamicOnly || pruneMode == variable.StaticButPrepareDynamic { - info := analyzeInfo{DBName: as.TableNames[0].Schema.O, TableName: as.TableNames[0].Name.O, TableID: AnalyzeTableID{PersistID: tblInfo.ID, CollectIDs: physicalIDs}, Incremental: as.Incremental} + info := analyzeInfo{DBName: as.TableNames[0].Schema.O, TableName: as.TableNames[0].Name.O, PartitionName: names[i], TableID: AnalyzeTableID{TableID: tblInfo.ID, PartitionID: id}, Incremental: as.Incremental} p.ColTasks = append(p.ColTasks, AnalyzeColumnsTask{HandleCols: handleCols, analyzeInfo: info, TblInfo: tblInfo}) } continue @@ -1776,14 +1756,11 @@ func (b *PlanBuilder) buildAnalyzeIndex(as *ast.AnalyzeTableStmt, opts map[ast.A if idx == nil || idx.State != model.StatePublic { return nil, ErrAnalyzeMissIndex.GenWithStackByArgs(idxName.O, tblInfo.Name.O) } - if pruneMode == variable.StaticOnly || pruneMode == variable.StaticButPrepareDynamic { - for i, id := range physicalIDs { - info := analyzeInfo{DBName: as.TableNames[0].Schema.O, TableName: as.TableNames[0].Name.O, PartitionName: names[i], TableID: AnalyzeTableID{PersistID: id, CollectIDs: []int64{id}}, Incremental: as.Incremental} - p.IdxTasks = append(p.IdxTasks, AnalyzeIndexTask{IndexInfo: idx, analyzeInfo: info, TblInfo: tblInfo}) + for i, id := range physicalIDs { + if id == tblInfo.ID { + id = -1 } - } - if pruneMode == variable.DynamicOnly || pruneMode == variable.StaticButPrepareDynamic { - info := analyzeInfo{DBName: as.TableNames[0].Schema.O, TableName: as.TableNames[0].Name.O, TableID: AnalyzeTableID{PersistID: tblInfo.ID, CollectIDs: physicalIDs}, Incremental: as.Incremental} + info := analyzeInfo{DBName: as.TableNames[0].Schema.O, TableName: as.TableNames[0].Name.O, PartitionName: names[i], TableID: AnalyzeTableID{TableID: tblInfo.ID, PartitionID: id}, Incremental: as.Incremental} p.IdxTasks = append(p.IdxTasks, AnalyzeIndexTask{IndexInfo: idx, analyzeInfo: info, TblInfo: tblInfo}) } } @@ -1804,28 +1781,22 @@ func (b *PlanBuilder) buildAnalyzeAllIndex(as *ast.AnalyzeTableStmt, opts map[as } for _, idx := range tblInfo.Indices { if idx.State == model.StatePublic { - if pruneMode == variable.StaticOnly || pruneMode == variable.StaticButPrepareDynamic { - for i, id := range physicalIDs { - info := analyzeInfo{DBName: as.TableNames[0].Schema.O, TableName: as.TableNames[0].Name.O, PartitionName: names[i], TableID: AnalyzeTableID{PersistID: id, CollectIDs: []int64{id}}, Incremental: as.Incremental} - p.IdxTasks = append(p.IdxTasks, AnalyzeIndexTask{IndexInfo: idx, analyzeInfo: info, TblInfo: tblInfo}) + for i, id := range physicalIDs { + if id == tblInfo.ID { + id = -1 } - } - if pruneMode == variable.DynamicOnly || pruneMode == variable.StaticButPrepareDynamic { - info := analyzeInfo{DBName: as.TableNames[0].Schema.O, TableName: as.TableNames[0].Name.O, TableID: AnalyzeTableID{PersistID: tblInfo.ID, CollectIDs: physicalIDs}, Incremental: as.Incremental} + info := analyzeInfo{DBName: as.TableNames[0].Schema.O, TableName: as.TableNames[0].Name.O, PartitionName: names[i], TableID: AnalyzeTableID{TableID: tblInfo.ID, PartitionID: id}, Incremental: as.Incremental} p.IdxTasks = append(p.IdxTasks, AnalyzeIndexTask{IndexInfo: idx, analyzeInfo: info, TblInfo: tblInfo}) } } } handleCols := BuildHandleColsForAnalyze(b.ctx, tblInfo) if handleCols != nil { - if pruneMode == variable.StaticOnly || pruneMode == variable.StaticButPrepareDynamic { - for i, id := range physicalIDs { - info := analyzeInfo{DBName: as.TableNames[0].Schema.O, TableName: as.TableNames[0].Name.O, PartitionName: names[i], TableID: AnalyzeTableID{PersistID: id, CollectIDs: []int64{id}}, Incremental: as.Incremental} - p.ColTasks = append(p.ColTasks, AnalyzeColumnsTask{HandleCols: handleCols, analyzeInfo: info, TblInfo: tblInfo}) + for i, id := range physicalIDs { + if id == tblInfo.ID { + id = -1 } - } - if pruneMode == variable.DynamicOnly || pruneMode == variable.StaticButPrepareDynamic { - info := analyzeInfo{DBName: as.TableNames[0].Schema.O, TableName: as.TableNames[0].Name.O, TableID: AnalyzeTableID{PersistID: tblInfo.ID, CollectIDs: physicalIDs}, Incremental: as.Incremental} + info := analyzeInfo{DBName: as.TableNames[0].Schema.O, TableName: as.TableNames[0].Name.O, PartitionName: names[i], TableID: AnalyzeTableID{TableID: tblInfo.ID, PartitionID: id}, Incremental: as.Incremental} p.ColTasks = append(p.ColTasks, AnalyzeColumnsTask{HandleCols: handleCols, analyzeInfo: info, TblInfo: tblInfo}) } } diff --git a/planner/core/testdata/analyze_suite_out.json b/planner/core/testdata/analyze_suite_out.json index d1f032da31822..561fe20243eb3 100644 --- a/planner/core/testdata/analyze_suite_out.json +++ b/planner/core/testdata/analyze_suite_out.json @@ -352,8 +352,8 @@ "IndexLookUp(Index(t1.a)[[1,1]], Table(t1)->Sel([le(test.t1.b, 2)]))", "TableReader(Table(t2)->Sel([le(test.t2.a, 2)]))", "Analyze{Index(a),Index(b)}", - "TableReader(Table(t4)->Sel([le(test.t4.a, 2)]))", - "IndexReader(Index(t4.b)[[-inf,2)])", + "PartitionUnionAll{TableReader(Table(t4)->Sel([le(test.t4.a, 2)]))->TableReader(Table(t4)->Sel([le(test.t4.a, 2)]))}", + "PartitionUnionAll{IndexReader(Index(t4.b)[[-inf,2)])->IndexReader(Index(t4.b)[[-inf,2)])}", "TableReader(Table(t4)->Sel([eq(test.t4.a, 1) le(test.t4.b, 2)]))" ] }, diff --git a/util/ranger/ranger_test.go b/util/ranger/ranger_test.go index f0dd53451ab1a..634d08f35cf88 100644 --- a/util/ranger/ranger_test.go +++ b/util/ranger/ranger_test.go @@ -1443,6 +1443,8 @@ func (s *testRangerSuite) TestIndexRangeForBit(c *C) { c.Assert(err, IsNil) testKit := testkit.NewTestKit(c, store) testKit.MustExec("use test;") + testKit.MustExec("set @@tidb_partition_prune_mode = 'static-only';") + testKit.MustExec("set @@tidb_executor_concurrency = 1;") testKit.MustExec("drop table if exists t;") testKit.MustExec("CREATE TABLE `t` (" + "a bit(1) DEFAULT NULL," + diff --git a/util/ranger/testdata/ranger_suite_out.json b/util/ranger/testdata/ranger_suite_out.json index 4e04474b8d3b7..7c7e46beedd75 100644 --- a/util/ranger/testdata/ranger_suite_out.json +++ b/util/ranger/testdata/ranger_suite_out.json @@ -392,8 +392,13 @@ { "SQL": "select * from t;", "Plan": [ - "TableReader_5 4.00 root partition:all data:TableFullScan_4", - "└─TableFullScan_4 4.00 cop[tikv] table:t keep order:false" + "PartitionUnion_9 10004.00 root ", + "├─TableReader_11 1.00 root data:TableFullScan_10", + "│ └─TableFullScan_10 1.00 cop[tikv] table:t, partition:p0 keep order:false", + "├─TableReader_13 3.00 root data:TableFullScan_12", + "│ └─TableFullScan_12 3.00 cop[tikv] table:t, partition:p1 keep order:false", + "└─TableReader_15 10000.00 root data:TableFullScan_14", + " └─TableFullScan_14 10000.00 cop[tikv] table:t, partition:p2 keep order:false, stats:pseudo" ], "Result": [ "\u0000 0", @@ -405,9 +410,9 @@ { "SQL": "select * from t where a = 0;", "Plan": [ - "Selection_5 3.20 root eq(test.t.a, 0)", - "└─TableReader_7 4.00 root partition:p0 data:TableFullScan_6", - " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + "Selection_7 0.80 root eq(test.t.a, 0)", + "└─TableReader_9 1.00 root data:TableFullScan_8", + " └─TableFullScan_8 1.00 cop[tikv] table:t, partition:p0 keep order:false" ], "Result": [ "\u0000 0" @@ -416,9 +421,9 @@ { "SQL": "select * from t where a = 0 or a = 4;", "Plan": [ - "Selection_5 3.20 root or(eq(test.t.a, 0), eq(test.t.a, 4))", - "└─TableReader_7 4.00 root partition:p0 data:TableFullScan_6", - " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + "Selection_7 0.80 root or(eq(test.t.a, 0), eq(test.t.a, 4))", + "└─TableReader_9 1.00 root data:TableFullScan_8", + " └─TableFullScan_8 1.00 cop[tikv] table:t, partition:p0 keep order:false" ], "Result": [ "\u0000 0" @@ -427,9 +432,9 @@ { "SQL": "select * from t where a = 1;", "Plan": [ - "Selection_5 3.20 root eq(test.t.a, 1)", - "└─TableReader_7 4.00 root partition:p1 data:TableFullScan_6", - " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + "Selection_7 2.40 root eq(test.t.a, 1)", + "└─TableReader_9 3.00 root data:TableFullScan_8", + " └─TableFullScan_8 3.00 cop[tikv] table:t, partition:p1 keep order:false" ], "Result": [ "\u0001 -1", @@ -440,27 +445,30 @@ { "SQL": "select * from t where a = -1;", "Plan": [ - "Selection_5 3.20 root eq(test.t.a, -1)", - "└─TableReader_7 4.00 root partition:dual data:TableFullScan_6", - " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + "Selection_7 0.00 root eq(test.t.a, -1)", + "└─TableDual_8 0.00 root rows:0" ], "Result": null }, { "SQL": "select * from t where a = 3;", "Plan": [ - "Selection_5 3.20 root eq(test.t.a, 3)", - "└─TableReader_7 4.00 root partition:dual data:TableFullScan_6", - " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + "Selection_7 0.00 root eq(test.t.a, 3)", + "└─TableDual_8 0.00 root rows:0" ], "Result": null }, { "SQL": "select * from t where a < 1;", "Plan": [ - "Selection_5 3.20 root lt(test.t.a, 1)", - "└─TableReader_7 4.00 root partition:all data:TableFullScan_6", - " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + "Selection_10 8003.20 root lt(test.t.a, 1)", + "└─PartitionUnion_11 10004.00 root ", + " ├─TableReader_13 1.00 root data:TableFullScan_12", + " │ └─TableFullScan_12 1.00 cop[tikv] table:t, partition:p0 keep order:false", + " ├─TableReader_15 3.00 root data:TableFullScan_14", + " │ └─TableFullScan_14 3.00 cop[tikv] table:t, partition:p1 keep order:false", + " └─TableReader_17 10000.00 root data:TableFullScan_16", + " └─TableFullScan_16 10000.00 cop[tikv] table:t, partition:p2 keep order:false, stats:pseudo" ], "Result": [ "\u0000 0" @@ -469,9 +477,14 @@ { "SQL": "select * from t where a < 3;", "Plan": [ - "Selection_5 3.20 root lt(test.t.a, 3)", - "└─TableReader_7 4.00 root partition:all data:TableFullScan_6", - " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + "Selection_10 8003.20 root lt(test.t.a, 3)", + "└─PartitionUnion_11 10004.00 root ", + " ├─TableReader_13 1.00 root data:TableFullScan_12", + " │ └─TableFullScan_12 1.00 cop[tikv] table:t, partition:p0 keep order:false", + " ├─TableReader_15 3.00 root data:TableFullScan_14", + " │ └─TableFullScan_14 3.00 cop[tikv] table:t, partition:p1 keep order:false", + " └─TableReader_17 10000.00 root data:TableFullScan_16", + " └─TableFullScan_16 10000.00 cop[tikv] table:t, partition:p2 keep order:false, stats:pseudo" ], "Result": [ "\u0000 0", @@ -483,18 +496,22 @@ { "SQL": "select * from t where a < -1;", "Plan": [ - "Selection_5 3.20 root lt(test.t.a, -1)", - "└─TableReader_7 4.00 root partition:dual data:TableFullScan_6", - " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + "Selection_7 0.00 root lt(test.t.a, -1)", + "└─TableDual_8 0.00 root rows:0" ], "Result": null }, { "SQL": "select * from t where a > 0;", "Plan": [ - "Selection_5 3.20 root gt(test.t.a, 0)", - "└─TableReader_7 4.00 root partition:all data:TableFullScan_6", - " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + "Selection_10 8003.20 root gt(test.t.a, 0)", + "└─PartitionUnion_11 10004.00 root ", + " ├─TableReader_13 1.00 root data:TableFullScan_12", + " │ └─TableFullScan_12 1.00 cop[tikv] table:t, partition:p0 keep order:false", + " ├─TableReader_15 3.00 root data:TableFullScan_14", + " │ └─TableFullScan_14 3.00 cop[tikv] table:t, partition:p1 keep order:false", + " └─TableReader_17 10000.00 root data:TableFullScan_16", + " └─TableFullScan_16 10000.00 cop[tikv] table:t, partition:p2 keep order:false, stats:pseudo" ], "Result": [ "\u0001 -1", @@ -505,9 +522,14 @@ { "SQL": "select * from t where a > -1;", "Plan": [ - "Selection_5 3.20 root gt(test.t.a, -1)", - "└─TableReader_7 4.00 root partition:all data:TableFullScan_6", - " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + "Selection_10 8003.20 root gt(test.t.a, -1)", + "└─PartitionUnion_11 10004.00 root ", + " ├─TableReader_13 1.00 root data:TableFullScan_12", + " │ └─TableFullScan_12 1.00 cop[tikv] table:t, partition:p0 keep order:false", + " ├─TableReader_15 3.00 root data:TableFullScan_14", + " │ └─TableFullScan_14 3.00 cop[tikv] table:t, partition:p1 keep order:false", + " └─TableReader_17 10000.00 root data:TableFullScan_16", + " └─TableFullScan_16 10000.00 cop[tikv] table:t, partition:p2 keep order:false, stats:pseudo" ], "Result": [ "\u0000 0", @@ -519,9 +541,14 @@ { "SQL": "select * from t where a > 3;", "Plan": [ - "Selection_5 3.20 root gt(test.t.a, 3)", - "└─TableReader_7 4.00 root partition:all data:TableFullScan_6", - " └─TableFullScan_6 4.00 cop[tikv] table:t keep order:false" + "Selection_10 8003.20 root gt(test.t.a, 3)", + "└─PartitionUnion_11 10004.00 root ", + " ├─TableReader_13 1.00 root data:TableFullScan_12", + " │ └─TableFullScan_12 1.00 cop[tikv] table:t, partition:p0 keep order:false", + " ├─TableReader_15 3.00 root data:TableFullScan_14", + " │ └─TableFullScan_14 3.00 cop[tikv] table:t, partition:p1 keep order:false", + " └─TableReader_17 10000.00 root data:TableFullScan_16", + " └─TableFullScan_16 10000.00 cop[tikv] table:t, partition:p2 keep order:false, stats:pseudo" ], "Result": null } From 6c1a6dd6310d59dcdb9d4ac6a4eeae78754cf47c Mon Sep 17 00:00:00 2001 From: disksing Date: Tue, 2 Feb 2021 02:28:54 -0600 Subject: [PATCH 0749/1021] store/tikv: move tikv driver out (#22651) Co-authored-by: Shirly --- cmd/benchdb/main.go | 2 +- cmd/benchkv/main.go | 4 +- cmd/ddltest/ddl_test.go | 3 +- session/session_test.go | 3 +- store/mockstore/tikv.go | 6 +- store/mockstore/unistore.go | 21 +++- store/tikv/async_commit_test.go | 4 +- store/tikv/backoff_test.go | 2 +- store/tikv/delete_range_test.go | 2 +- store/tikv/isolation_test.go | 2 +- store/tikv/kv.go | 151 ++----------------------- store/tikv/lock_test.go | 2 +- store/tikv/prewrite_test.go | 2 +- store/tikv/range_task_test.go | 2 +- store/tikv/safepoint_test.go | 2 +- store/tikv/scan_mock_test.go | 4 +- store/tikv/scan_test.go | 2 +- store/tikv/snapshot_fail_test.go | 2 +- store/tikv/snapshot_test.go | 2 +- store/tikv/split_test.go | 2 +- store/tikv/store_test.go | 2 +- store/tikv/test_util.go | 3 +- store/tikv/ticlient_test.go | 22 +++- store/tikv_driver.go | 183 +++++++++++++++++++++++++++++++ store/util_test.go | 4 +- tests/globalkilltest/Makefile | 2 +- tidb-server/main.go | 2 +- 27 files changed, 259 insertions(+), 179 deletions(-) create mode 100644 store/tikv_driver.go diff --git a/cmd/benchdb/main.go b/cmd/benchdb/main.go index a12c5523936ee..dc2dc107b2597 100644 --- a/cmd/benchdb/main.go +++ b/cmd/benchdb/main.go @@ -55,7 +55,7 @@ func main() { flag.PrintDefaults() err := logutil.InitZapLogger(logutil.NewLogConfig(*logLevel, logutil.DefaultLogFormat, "", logutil.EmptyFileLogConfig, false)) terror.MustNil(err) - err = store.Register("tikv", tikv.Driver{}) + err = store.Register("tikv", store.TiKVDriver{}) terror.MustNil(err) ut := newBenchDB() works := strings.Split(*runJobs, "|") diff --git a/cmd/benchkv/main.go b/cmd/benchkv/main.go index a37e30f6b74c3..30164510d8aba 100644 --- a/cmd/benchkv/main.go +++ b/cmd/benchkv/main.go @@ -28,7 +28,7 @@ import ( "github.com/pingcap/log" "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/kv" - "github.com/pingcap/tidb/store/tikv" + storepkg "github.com/pingcap/tidb/store" "github.com/prometheus/client_golang/prometheus" "github.com/prometheus/client_golang/prometheus/promhttp" "go.uber.org/zap" @@ -69,7 +69,7 @@ var ( // Init initializes information. func Init() { - driver := tikv.Driver{} + driver := storepkg.TiKVDriver{} var err error store, err = driver.Open(fmt.Sprintf("tikv://%s?cluster=1", *pdAddr)) terror.MustNil(err) diff --git a/cmd/ddltest/ddl_test.go b/cmd/ddltest/ddl_test.go index c15058d8da76a..29d6be0ce105f 100644 --- a/cmd/ddltest/ddl_test.go +++ b/cmd/ddltest/ddl_test.go @@ -41,7 +41,6 @@ import ( "github.com/pingcap/tidb/session" "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/store" - "github.com/pingcap/tidb/store/tikv" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/logutil" @@ -1061,5 +1060,5 @@ func addEnvPath(newPath string) { func init() { rand.Seed(time.Now().UnixNano()) - store.Register("tikv", tikv.Driver{}) + store.Register("tikv", store.TiKVDriver{}) } diff --git a/session/session_test.go b/session/session_test.go index 9d356dddf0e0e..5fc06a9e72d4d 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -45,6 +45,7 @@ import ( "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/sessionctx/binloginfo" "github.com/pingcap/tidb/sessionctx/variable" + "github.com/pingcap/tidb/store" "github.com/pingcap/tidb/store/mockstore" "github.com/pingcap/tidb/store/mockstore/cluster" "github.com/pingcap/tidb/store/mockstore/mocktikv" @@ -178,7 +179,7 @@ func (s *testSessionSuiteBase) SetUpSuite(c *C) { if *withTiKV { initPdAddrs() s.pdAddr = <-pdAddrChan - var d tikv.Driver + var d store.TiKVDriver config.UpdateGlobal(func(conf *config.Config) { conf.TxnLocalLatches.Enabled = false }) diff --git a/store/mockstore/tikv.go b/store/mockstore/tikv.go index 37aad76bb81d3..9cdb5b11d4dea 100644 --- a/store/mockstore/tikv.go +++ b/store/mockstore/tikv.go @@ -29,5 +29,9 @@ func newMockTikvStore(opt *mockOptions) (kv.Storage, error) { } opt.clusterInspector(cluster) - return tikv.NewTestTiKVStore(client, pdClient, opt.clientHijacker, opt.pdClientHijacker, opt.txnLocalLatches) + kvstore, err := tikv.NewTestTiKVStore(client, pdClient, opt.clientHijacker, opt.pdClientHijacker, opt.txnLocalLatches) + if err != nil { + return nil, err + } + return &mockStorage{KVStore: kvstore}, nil } diff --git a/store/mockstore/unistore.go b/store/mockstore/unistore.go index 9bcaa3d1d04ec..8a72fc5858265 100644 --- a/store/mockstore/unistore.go +++ b/store/mockstore/unistore.go @@ -14,6 +14,8 @@ package mockstore import ( + "crypto/tls" + "github.com/pingcap/errors" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/store/mockstore/unistore" @@ -31,5 +33,22 @@ func newUnistore(opts *mockOptions) (kv.Storage, error) { Client: pdClient, } - return tikv.NewTestTiKVStore(client, pdClient, opts.clientHijacker, opts.pdClientHijacker, opts.txnLocalLatches) + kvstore, err := tikv.NewTestTiKVStore(client, pdClient, opts.clientHijacker, opts.pdClientHijacker, opts.txnLocalLatches) + if err != nil { + return nil, err + } + return &mockStorage{KVStore: kvstore}, nil +} + +// Wraps tikv.KVStore and make it compatible with kv.Storage. +type mockStorage struct { + *tikv.KVStore +} + +func (s *mockStorage) EtcdAddrs() ([]string, error) { + return nil, nil +} + +func (s *mockStorage) TLSConfig() *tls.Config { + return nil } diff --git a/store/tikv/async_commit_test.go b/store/tikv/async_commit_test.go index 71d28cddbf8de..9518c14a885a6 100644 --- a/store/tikv/async_commit_test.go +++ b/store/tikv/async_commit_test.go @@ -40,7 +40,7 @@ type testAsyncCommitCommon struct { func (s *testAsyncCommitCommon) setUpTest(c *C) { if *WithTiKV { - s.store = NewTestStore(c).(*KVStore) + s.store = NewTestStore(c) return } @@ -51,7 +51,7 @@ func (s *testAsyncCommitCommon) setUpTest(c *C) { store, err := NewTestTiKVStore(client, pdClient, nil, nil, 0) c.Assert(err, IsNil) - s.store = store.(*KVStore) + s.store = store } func (s *testAsyncCommitCommon) putAlphabets(c *C, enableAsyncCommit bool) { diff --git a/store/tikv/backoff_test.go b/store/tikv/backoff_test.go index 549351fd5f68d..13b67944eb2a1 100644 --- a/store/tikv/backoff_test.go +++ b/store/tikv/backoff_test.go @@ -28,7 +28,7 @@ type testBackoffSuite struct { var _ = Suite(&testBackoffSuite{}) func (s *testBackoffSuite) SetUpTest(c *C) { - s.store = NewTestStore(c).(*KVStore) + s.store = NewTestStore(c) } func (s *testBackoffSuite) TearDownTest(c *C) { diff --git a/store/tikv/delete_range_test.go b/store/tikv/delete_range_test.go index 3aa4b68f722fa..eafda4d095ae3 100644 --- a/store/tikv/delete_range_test.go +++ b/store/tikv/delete_range_test.go @@ -50,7 +50,7 @@ func (s *testDeleteRangeSuite) SetUpTest(c *C) { // ) // c.Assert(err, IsNil) - s.store = store.(*KVStore) + s.store = store } func (s *testDeleteRangeSuite) TearDownTest(c *C) { diff --git a/store/tikv/isolation_test.go b/store/tikv/isolation_test.go index c098ebb10b2e1..1cd74c028c860 100644 --- a/store/tikv/isolation_test.go +++ b/store/tikv/isolation_test.go @@ -37,7 +37,7 @@ var _ = Suite(&testIsolationSuite{}) func (s *testIsolationSuite) SetUpSuite(c *C) { s.OneByOneSuite.SetUpSuite(c) - s.store = NewTestStore(c).(*KVStore) + s.store = NewTestStore(c) } func (s *testIsolationSuite) TearDownSuite(c *C) { diff --git a/store/tikv/kv.go b/store/tikv/kv.go index bfc5062469936..3432d7d4fbec9 100644 --- a/store/tikv/kv.go +++ b/store/tikv/kv.go @@ -16,10 +16,7 @@ package tikv import ( "context" "crypto/tls" - "fmt" "math/rand" - "net/url" - "strings" "sync" "sync/atomic" "time" @@ -35,25 +32,11 @@ import ( "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/store/tikv/oracle/oracles" "github.com/pingcap/tidb/store/tikv/tikvrpc" - "github.com/pingcap/tidb/util/execdetails" pd "github.com/tikv/pd/client" "go.etcd.io/etcd/clientv3" "go.uber.org/zap" - "google.golang.org/grpc" - "google.golang.org/grpc/keepalive" ) -type storeCache struct { - sync.Mutex - cache map[string]*KVStore -} - -var mc storeCache - -// Driver implements engine Driver. -type Driver struct { -} - func createEtcdKV(addrs []string, tlsConfig *tls.Config) (*clientv3.Client, error) { cfg := config.GetGlobalConfig() cli, err := clientv3.New(clientv3.Config{ @@ -70,67 +53,6 @@ func createEtcdKV(addrs []string, tlsConfig *tls.Config) (*clientv3.Client, erro return cli, nil } -// Open opens or creates an TiKV storage with given path. -// Path example: tikv://etcd-node1:port,etcd-node2:port?cluster=1&disableGC=false -func (d Driver) Open(path string) (kv.Storage, error) { - mc.Lock() - defer mc.Unlock() - security := config.GetGlobalConfig().Security - pdConfig := config.GetGlobalConfig().PDClient - tikvConfig := config.GetGlobalConfig().TiKVClient - txnLocalLatches := config.GetGlobalConfig().TxnLocalLatches - etcdAddrs, disableGC, err := config.ParsePath(path) - if err != nil { - return nil, errors.Trace(err) - } - - pdCli, err := pd.NewClient(etcdAddrs, pd.SecurityOption{ - CAPath: security.ClusterSSLCA, - CertPath: security.ClusterSSLCert, - KeyPath: security.ClusterSSLKey, - }, pd.WithGRPCDialOptions( - grpc.WithKeepaliveParams(keepalive.ClientParameters{ - Time: time.Duration(tikvConfig.GrpcKeepAliveTime) * time.Second, - Timeout: time.Duration(tikvConfig.GrpcKeepAliveTimeout) * time.Second, - }), - ), pd.WithCustomTimeoutOption(time.Duration(pdConfig.PDServerTimeout)*time.Second)) - pdCli = execdetails.InterceptedPDClient{Client: pdCli} - - if err != nil { - return nil, errors.Trace(err) - } - - // FIXME: uuid will be a very long and ugly string, simplify it. - uuid := fmt.Sprintf("tikv-%v", pdCli.GetClusterID(context.TODO())) - if store, ok := mc.cache[uuid]; ok { - return store, nil - } - - tlsConfig, err := security.ToTLSConfig() - if err != nil { - return nil, errors.Trace(err) - } - - spkv, err := NewEtcdSafePointKV(etcdAddrs, tlsConfig) - if err != nil { - return nil, errors.Trace(err) - } - - coprCacheConfig := &config.GetGlobalConfig().TiKVClient.CoprCache - s, err := NewKVStore(uuid, &CodecPDClient{pdCli}, spkv, NewRPCClient(security), !disableGC, coprCacheConfig) - if err != nil { - return nil, errors.Trace(err) - } - if txnLocalLatches.Enabled { - s.EnableTxnLocalLatches(txnLocalLatches.Capacity) - } - s.etcdAddrs = etcdAddrs - s.tlsConfig = tlsConfig - - mc.cache[uuid] = s - return s, nil -} - // EtcdBackend is used for judging a storage is a real TiKV. type EtcdBackend interface { EtcdAddrs() ([]string, error) @@ -153,10 +75,9 @@ type KVStore struct { lockResolver *LockResolver txnLatches *latch.LatchesScheduler gcWorker GCHandler - etcdAddrs []string - tlsConfig *tls.Config - mock bool - enableGC bool + + mock bool + enableGC bool kv SafePointKV safePoint uint64 @@ -243,58 +164,6 @@ func (s *KVStore) IsLatchEnabled() bool { return s.txnLatches != nil } -var ( - ldflagGetEtcdAddrsFromConfig = "0" // 1:Yes, otherwise:No -) - -// EtcdAddrs returns etcd server addresses. -func (s *KVStore) EtcdAddrs() ([]string, error) { - if s.etcdAddrs == nil { - return nil, nil - } - - if ldflagGetEtcdAddrsFromConfig == "1" { - // For automated test purpose. - // To manipulate connection to etcd by mandatorily setting path to a proxy. - cfg := config.GetGlobalConfig() - return strings.Split(cfg.Path, ","), nil - } - - ctx := context.Background() - bo := NewBackoffer(ctx, GetAllMembersBackoff) - etcdAddrs := make([]string, 0) - pdClient := s.pdClient - if pdClient == nil { - return nil, errors.New("Etcd client not found") - } - for { - members, err := pdClient.GetAllMembers(ctx) - if err != nil { - err := bo.Backoff(BoRegionMiss, err) - if err != nil { - return nil, err - } - continue - } - for _, member := range members { - if len(member.ClientUrls) > 0 { - u, err := url.Parse(member.ClientUrls[0]) - if err != nil { - logutil.BgLogger().Error("fail to parse client url from pd members", zap.String("client_url", member.ClientUrls[0]), zap.Error(err)) - return nil, err - } - etcdAddrs = append(etcdAddrs, u.Host) - } - } - return etcdAddrs, nil - } -} - -// TLSConfig returns the tls config to connect to etcd. -func (s *KVStore) TLSConfig() *tls.Config { - return s.tlsConfig -} - // StartGCWorker starts GC worker, it's called in BootstrapSession, don't call this function more than once. func (s *KVStore) StartGCWorker() error { if !s.enableGC || NewGCHandlerFunc == nil { @@ -373,10 +242,6 @@ func (s *KVStore) GetSnapshot(ver kv.Version) kv.Snapshot { // Close store func (s *KVStore) Close() error { - mc.Lock() - defer mc.Unlock() - - delete(mc.cache, s.uuid) s.oracle.Close() s.pdClient.Close() if s.gcWorker != nil { @@ -483,6 +348,11 @@ func (s *KVStore) GetOracle() oracle.Oracle { return s.oracle } +// GetPDClient returns the PD client. +func (s *KVStore) GetPDClient() pd.Client { + return s.pdClient +} + // Name gets the name of the storage engine func (s *KVStore) Name() string { return "TiKV" @@ -553,8 +423,3 @@ func (s *KVStore) GetTiKVClient() (client Client) { func (s *KVStore) GetMemCache() kv.MemManager { return s.memCache } - -func init() { - mc.cache = make(map[string]*KVStore) - rand.Seed(time.Now().UnixNano()) -} diff --git a/store/tikv/lock_test.go b/store/tikv/lock_test.go index d7f21ffce0827..f7b63b6fee020 100644 --- a/store/tikv/lock_test.go +++ b/store/tikv/lock_test.go @@ -41,7 +41,7 @@ type testLockSuite struct { var _ = Suite(&testLockSuite{}) func (s *testLockSuite) SetUpTest(c *C) { - s.store = NewTestStore(c).(*KVStore) + s.store = NewTestStore(c) } func (s *testLockSuite) TearDownTest(c *C) { diff --git a/store/tikv/prewrite_test.go b/store/tikv/prewrite_test.go index 7a8befdc01d63..b2e0edf009633 100644 --- a/store/tikv/prewrite_test.go +++ b/store/tikv/prewrite_test.go @@ -31,7 +31,7 @@ func (s *testPrewriteSuite) SetUpTest(c *C) { unistore.BootstrapWithSingleStore(cluster) store, err := NewTestTiKVStore(client, pdClient, nil, nil, 0) c.Assert(err, IsNil) - s.store = store.(*KVStore) + s.store = store } func (s *testPrewriteSuite) TestSetMinCommitTSInAsyncCommit(c *C) { diff --git a/store/tikv/range_task_test.go b/store/tikv/range_task_test.go index a0abc203e73b5..d589613a22301 100644 --- a/store/tikv/range_task_test.go +++ b/store/tikv/range_task_test.go @@ -77,7 +77,7 @@ func (s *testRangeTaskSuite) SetUpTest(c *C) { // }), // ) // c.Assert(err, IsNil) - s.store = store.(*KVStore) + s.store = store s.testRanges = []kv.KeyRange{ makeRange("", ""), diff --git a/store/tikv/safepoint_test.go b/store/tikv/safepoint_test.go index 2c9227159e10f..46cb730d14456 100644 --- a/store/tikv/safepoint_test.go +++ b/store/tikv/safepoint_test.go @@ -34,7 +34,7 @@ var _ = Suite(&testSafePointSuite{}) func (s *testSafePointSuite) SetUpSuite(c *C) { s.OneByOneSuite.SetUpSuite(c) - s.store = NewTestStore(c).(*KVStore) + s.store = NewTestStore(c) s.prefix = fmt.Sprintf("seek_%d", time.Now().Unix()) } diff --git a/store/tikv/scan_mock_test.go b/store/tikv/scan_mock_test.go index da965eb0c92e9..6e5b23ab25bb1 100644 --- a/store/tikv/scan_mock_test.go +++ b/store/tikv/scan_mock_test.go @@ -27,7 +27,7 @@ type testScanMockSuite struct { var _ = Suite(&testScanMockSuite{}) func (s *testScanMockSuite) TestScanMultipleRegions(c *C) { - store := NewTestStore(c).(*KVStore) + store := NewTestStore(c) defer store.Close() txn, err := store.Begin() @@ -60,7 +60,7 @@ func (s *testScanMockSuite) TestScanMultipleRegions(c *C) { } func (s *testScanMockSuite) TestReverseScan(c *C) { - store := NewTestStore(c).(*KVStore) + store := NewTestStore(c) defer store.Close() txn, err := store.Begin() diff --git a/store/tikv/scan_test.go b/store/tikv/scan_test.go index edb03c39e78e5..42b9b7726dd3e 100644 --- a/store/tikv/scan_test.go +++ b/store/tikv/scan_test.go @@ -39,7 +39,7 @@ var _ = SerialSuites(&testScanSuite{}) func (s *testScanSuite) SetUpSuite(c *C) { s.OneByOneSuite.SetUpSuite(c) - s.store = NewTestStore(c).(*KVStore) + s.store = NewTestStore(c) s.recordPrefix = tablecodec.GenTableRecordPrefix(1) s.rowNums = append(s.rowNums, 1, scanBatchSize, scanBatchSize+1, scanBatchSize*3) // Avoid using async commit logic. diff --git a/store/tikv/snapshot_fail_test.go b/store/tikv/snapshot_fail_test.go index 0fc4196973d68..cfedcad6f505f 100644 --- a/store/tikv/snapshot_fail_test.go +++ b/store/tikv/snapshot_fail_test.go @@ -36,7 +36,7 @@ func (s *testSnapshotFailSuite) SetUpSuite(c *C) { unistore.BootstrapWithSingleStore(cluster) store, err := NewTestTiKVStore(client, pdClient, nil, nil, 0) c.Assert(err, IsNil) - s.store = store.(*KVStore) + s.store = store } func (s *testSnapshotFailSuite) TearDownSuite(c *C) { diff --git a/store/tikv/snapshot_test.go b/store/tikv/snapshot_test.go index f8e859647f2f5..ca0d7748f047d 100644 --- a/store/tikv/snapshot_test.go +++ b/store/tikv/snapshot_test.go @@ -40,7 +40,7 @@ var _ = Suite(&testSnapshotSuite{}) func (s *testSnapshotSuite) SetUpSuite(c *C) { s.OneByOneSuite.SetUpSuite(c) - s.store = NewTestStore(c).(*KVStore) + s.store = NewTestStore(c) s.prefix = fmt.Sprintf("snapshot_%d", time.Now().Unix()) s.rowNums = append(s.rowNums, 1, 100, 191) } diff --git a/store/tikv/split_test.go b/store/tikv/split_test.go index 33428ae6ebca1..9ed4c5691fae6 100644 --- a/store/tikv/split_test.go +++ b/store/tikv/split_test.go @@ -47,7 +47,7 @@ func (s *testSplitSuite) SetUpTest(c *C) { // }), // ) // c.Assert(err, IsNil) - s.store = store.(*KVStore) + s.store = store s.bo = NewBackofferWithVars(context.Background(), 5000, nil) } diff --git a/store/tikv/store_test.go b/store/tikv/store_test.go index a044615c23874..fde61a33c28c4 100644 --- a/store/tikv/store_test.go +++ b/store/tikv/store_test.go @@ -50,7 +50,7 @@ var _ = Suite(&testStoreSuite{}) var _ = SerialSuites(&testStoreSerialSuite{}) func (s *testStoreSuiteBase) SetUpTest(c *C) { - s.store = NewTestStore(c).(*KVStore) + s.store = NewTestStore(c) } func (s *testStoreSuiteBase) TearDownTest(c *C) { diff --git a/store/tikv/test_util.go b/store/tikv/test_util.go index 1a3f7fdd9fe86..00223a9148211 100644 --- a/store/tikv/test_util.go +++ b/store/tikv/test_util.go @@ -16,13 +16,12 @@ package tikv import ( "github.com/google/uuid" "github.com/pingcap/errors" - "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/store/tikv/config" pd "github.com/tikv/pd/client" ) // NewTestTiKVStore creates a test store with Option -func NewTestTiKVStore(client Client, pdClient pd.Client, clientHijack func(Client) Client, pdClientHijack func(pd.Client) pd.Client, txnLocalLatches uint) (kv.Storage, error) { +func NewTestTiKVStore(client Client, pdClient pd.Client, clientHijack func(Client) Client, pdClientHijack func(pd.Client) pd.Client, txnLocalLatches uint) (*KVStore, error) { if clientHijack != nil { client = clientHijack(client) } diff --git a/store/tikv/ticlient_test.go b/store/tikv/ticlient_test.go index 2c395d513cf5c..04c5b1b430938 100644 --- a/store/tikv/ticlient_test.go +++ b/store/tikv/ticlient_test.go @@ -17,6 +17,7 @@ import ( "context" "flag" "fmt" + "strings" "sync" "time" @@ -24,7 +25,9 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/store/mockstore/unistore" + "github.com/pingcap/tidb/store/tikv/config" "github.com/pingcap/tidb/util/codec" + pd "github.com/tikv/pd/client" ) var ( @@ -33,15 +36,22 @@ var ( pdAddrs = flag.String("pd-addrs", "127.0.0.1:2379", "pd addrs") ) -// NewTestStore creates a kv.Storage for testing purpose. -func NewTestStore(c *C) kv.Storage { +// NewTestStore creates a KVStore for testing purpose. +func NewTestStore(c *C) *KVStore { if !flag.Parsed() { flag.Parse() } if *WithTiKV { - var d Driver - store, err := d.Open(fmt.Sprintf("tikv://%s", *pdAddrs)) + addrs := strings.Split(*pdAddrs, ",") + pdClient, err := pd.NewClient(addrs, pd.SecurityOption{}) + c.Assert(err, IsNil) + var securityConfig config.Security + tlsConfig, err := securityConfig.ToTLSConfig() + c.Assert(err, IsNil) + spKV, err := NewEtcdSafePointKV(addrs, tlsConfig) + c.Assert(err, IsNil) + store, err := NewKVStore("test-store", &CodecPDClient{Client: pdClient}, spKV, NewRPCClient(securityConfig), false, nil) c.Assert(err, IsNil) err = clearStorage(store) c.Assert(err, IsNil) @@ -55,7 +65,7 @@ func NewTestStore(c *C) kv.Storage { return store } -func clearStorage(store kv.Storage) error { +func clearStorage(store *KVStore) error { txn, err := store.Begin() if err != nil { return errors.Trace(err) @@ -85,7 +95,7 @@ var _ = Suite(&testTiclientSuite{}) func (s *testTiclientSuite) SetUpSuite(c *C) { s.OneByOneSuite.SetUpSuite(c) - s.store = NewTestStore(c).(*KVStore) + s.store = NewTestStore(c) s.prefix = fmt.Sprintf("ticlient_%d", time.Now().Unix()) } diff --git a/store/tikv_driver.go b/store/tikv_driver.go new file mode 100644 index 0000000000000..5f6402412dd14 --- /dev/null +++ b/store/tikv_driver.go @@ -0,0 +1,183 @@ +// Copyright 2021 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package store + +import ( + "context" + "crypto/tls" + "fmt" + "math/rand" + "net/url" + "strings" + "sync" + "time" + + "github.com/pingcap/errors" + "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/store/tikv" + "github.com/pingcap/tidb/store/tikv/config" + "github.com/pingcap/tidb/util/execdetails" + "github.com/pingcap/tidb/util/logutil" + pd "github.com/tikv/pd/client" + "go.uber.org/zap" + "google.golang.org/grpc" + "google.golang.org/grpc/keepalive" +) + +type storeCache struct { + sync.Mutex + cache map[string]*tikvStore +} + +var mc storeCache + +func init() { + mc.cache = make(map[string]*tikvStore) + rand.Seed(time.Now().UnixNano()) +} + +// TiKVDriver implements engine TiKV. +type TiKVDriver struct { +} + +// Open opens or creates an TiKV storage with given path. +// Path example: tikv://etcd-node1:port,etcd-node2:port?cluster=1&disableGC=false +func (d TiKVDriver) Open(path string) (kv.Storage, error) { + mc.Lock() + defer mc.Unlock() + security := config.GetGlobalConfig().Security + pdConfig := config.GetGlobalConfig().PDClient + tikvConfig := config.GetGlobalConfig().TiKVClient + txnLocalLatches := config.GetGlobalConfig().TxnLocalLatches + etcdAddrs, disableGC, err := config.ParsePath(path) + if err != nil { + return nil, errors.Trace(err) + } + + pdCli, err := pd.NewClient(etcdAddrs, pd.SecurityOption{ + CAPath: security.ClusterSSLCA, + CertPath: security.ClusterSSLCert, + KeyPath: security.ClusterSSLKey, + }, pd.WithGRPCDialOptions( + grpc.WithKeepaliveParams(keepalive.ClientParameters{ + Time: time.Duration(tikvConfig.GrpcKeepAliveTime) * time.Second, + Timeout: time.Duration(tikvConfig.GrpcKeepAliveTimeout) * time.Second, + }), + ), pd.WithCustomTimeoutOption(time.Duration(pdConfig.PDServerTimeout)*time.Second)) + pdCli = execdetails.InterceptedPDClient{Client: pdCli} + + if err != nil { + return nil, errors.Trace(err) + } + + // FIXME: uuid will be a very long and ugly string, simplify it. + uuid := fmt.Sprintf("tikv-%v", pdCli.GetClusterID(context.TODO())) + if store, ok := mc.cache[uuid]; ok { + return store, nil + } + + tlsConfig, err := security.ToTLSConfig() + if err != nil { + return nil, errors.Trace(err) + } + + spkv, err := tikv.NewEtcdSafePointKV(etcdAddrs, tlsConfig) + if err != nil { + return nil, errors.Trace(err) + } + + coprCacheConfig := &config.GetGlobalConfig().TiKVClient.CoprCache + s, err := tikv.NewKVStore(uuid, &tikv.CodecPDClient{Client: pdCli}, spkv, tikv.NewRPCClient(security), !disableGC, coprCacheConfig) + if err != nil { + return nil, errors.Trace(err) + } + if txnLocalLatches.Enabled { + s.EnableTxnLocalLatches(txnLocalLatches.Capacity) + } + + store := &tikvStore{ + KVStore: s, + etcdAddrs: etcdAddrs, + tlsConfig: tlsConfig, + } + + mc.cache[uuid] = store + return store, nil +} + +type tikvStore struct { + *tikv.KVStore + etcdAddrs []string + tlsConfig *tls.Config +} + +var ( + ldflagGetEtcdAddrsFromConfig = "0" // 1:Yes, otherwise:No +) + +// EtcdAddrs returns etcd server addresses. +func (s *tikvStore) EtcdAddrs() ([]string, error) { + if s.etcdAddrs == nil { + return nil, nil + } + + if ldflagGetEtcdAddrsFromConfig == "1" { + // For automated test purpose. + // To manipulate connection to etcd by mandatorily setting path to a proxy. + cfg := config.GetGlobalConfig() + return strings.Split(cfg.Path, ","), nil + } + + ctx := context.Background() + bo := tikv.NewBackoffer(ctx, tikv.GetAllMembersBackoff) + etcdAddrs := make([]string, 0) + pdClient := s.GetPDClient() + if pdClient == nil { + return nil, errors.New("Etcd client not found") + } + for { + members, err := pdClient.GetAllMembers(ctx) + if err != nil { + err := bo.Backoff(tikv.BoRegionMiss, err) + if err != nil { + return nil, err + } + continue + } + for _, member := range members { + if len(member.ClientUrls) > 0 { + u, err := url.Parse(member.ClientUrls[0]) + if err != nil { + logutil.BgLogger().Error("fail to parse client url from pd members", zap.String("client_url", member.ClientUrls[0]), zap.Error(err)) + return nil, err + } + etcdAddrs = append(etcdAddrs, u.Host) + } + } + return etcdAddrs, nil + } +} + +// TLSConfig returns the tls config to connect to etcd. +func (s *tikvStore) TLSConfig() *tls.Config { + return s.tlsConfig +} + +// Close and unregister the store. +func (s *tikvStore) Close() error { + mc.Lock() + defer mc.Unlock() + delete(mc.cache, s.UUID()) + return s.KVStore.Close() +} diff --git a/store/util_test.go b/store/util_test.go index b793f5685ecf5..e3bf984fb89e9 100644 --- a/store/util_test.go +++ b/store/util_test.go @@ -39,7 +39,7 @@ func NewTestStore(c *C) kv.Storage { } if *WithTiKV { - var d tikv.Driver + var d TiKVDriver store, err := d.Open(fmt.Sprintf("tikv://%s", *pdAddrs)) c.Assert(err, IsNil) err = clearStorage(store) @@ -51,7 +51,7 @@ func NewTestStore(c *C) kv.Storage { unistore.BootstrapWithSingleStore(cluster) store, err := tikv.NewTestTiKVStore(client, pdClient, nil, nil, 0) c.Assert(err, IsNil) - return store + return &tikvStore{KVStore: store} } func clearStorage(store kv.Storage) error { diff --git a/tests/globalkilltest/Makefile b/tests/globalkilltest/Makefile index 3e9070d28d77e..e5250ce9ab0de 100644 --- a/tests/globalkilltest/Makefile +++ b/tests/globalkilltest/Makefile @@ -21,7 +21,7 @@ GLOBAL_KILL_TEST_SERVER_LDFLAGS += -X "github.com/pingcap/tidb/domain.ldflagServ GLOBAL_KILL_TEST_SERVER_LDFLAGS += -X "github.com/pingcap/tidb/domain.ldflagServerIDTimeToKeepAlive=1" GLOBAL_KILL_TEST_SERVER_LDFLAGS += -X "github.com/pingcap/tidb/domain.ldflagServerIDTimeToCheckPDConnectionRestored=1" GLOBAL_KILL_TEST_SERVER_LDFLAGS += -X "github.com/pingcap/tidb/domain.ldflagLostConnectionToPDTimeout=5" -GLOBAL_KILL_TEST_SERVER_LDFLAGS += -X "github.com/pingcap/tidb/store/tikv.ldflagGetEtcdAddrsFromConfig=1" +GLOBAL_KILL_TEST_SERVER_LDFLAGS += -X "github.com/pingcap/tidb/store.ldflagGetEtcdAddrsFromConfig=1" .PHONY: server buildsucc diff --git a/tidb-server/main.go b/tidb-server/main.go index 76a70d573a499..54e5b8a3df20a 100644 --- a/tidb-server/main.go +++ b/tidb-server/main.go @@ -247,7 +247,7 @@ func setHeapProfileTracker() { } func registerStores() { - err := kvstore.Register("tikv", tikv.Driver{}) + err := kvstore.Register("tikv", kvstore.TiKVDriver{}) terror.MustNil(err) tikv.NewGCHandlerFunc = gcworker.NewGCWorker err = kvstore.Register("mocktikv", mockstore.MockTiKVDriver{}) From 4e4968c50182c813183655c6f2f0f50606551f15 Mon Sep 17 00:00:00 2001 From: lysu Date: Tue, 2 Feb 2021 17:31:59 +0800 Subject: [PATCH 0750/1021] metric: record prepare execute fail as "Failed Query OPM" in monitor (#22596) Signed-off-by: lysu --- server/conn_stmt.go | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/server/conn_stmt.go b/server/conn_stmt.go index 618ac66d67974..9de3c4cc47822 100644 --- a/server/conn_stmt.go +++ b/server/conn_stmt.go @@ -46,6 +46,7 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/parser/mysql" "github.com/pingcap/parser/terror" + "github.com/pingcap/tidb/metrics" plannercore "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/types" @@ -112,6 +113,11 @@ func (cc *clientConn) handleStmtPrepare(ctx context.Context, sql string) error { func (cc *clientConn) handleStmtExecute(ctx context.Context, data []byte) (err error) { defer trace.StartRegion(ctx, "HandleStmtExecute").End() + defer func() { + if err != nil { + metrics.ExecuteErrorCounter.WithLabelValues(metrics.ExecuteErrorToLabel(err)).Inc() + } + }() if len(data) < 9 { return mysql.ErrMalformPacket } From 7fbe3e5065624b519f78b915b577122c176dd6ed Mon Sep 17 00:00:00 2001 From: disksing Date: Tue, 2 Feb 2021 04:05:57 -0600 Subject: [PATCH 0751/1021] store/tikv: cleanup warnings and unused code (#22648) Signed-off-by: disksing --- store/tikv/2pc.go | 3 --- store/tikv/backoff.go | 1 - store/tikv/batch_coprocessor.go | 2 -- store/tikv/coprocessor.go | 6 +----- store/tikv/coprocessor_test.go | 14 -------------- store/tikv/gcworker/gc_worker_test.go | 4 +--- store/tikv/region_cache.go | 6 +----- store/tikv/txn.go | 17 ----------------- 8 files changed, 3 insertions(+), 50 deletions(-) diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index 5509d5d62cbba..b82b9da9e5cbd 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -90,9 +90,6 @@ type twoPhaseCommitter struct { txnSize int hasNoNeedCommitKeys bool - prewriteOnlyKeys int - ignoredKeys int - primaryKey []byte forUpdateTS uint64 diff --git a/store/tikv/backoff.go b/store/tikv/backoff.go index f11f432443ccd..15856dd676fca 100644 --- a/store/tikv/backoff.go +++ b/store/tikv/backoff.go @@ -238,7 +238,6 @@ const ( rawkvMaxBackoff = 20000 splitRegionBackoff = 20000 maxSplitRegionsBackoff = 120000 - scatterRegionBackoff = 20000 waitScatterRegionFinishBackoff = 120000 locateRegionMaxBackoff = 20000 pessimisticLockMaxBackoff = 20000 diff --git a/store/tikv/batch_coprocessor.go b/store/tikv/batch_coprocessor.go index e84ff3d982503..bdbe861ea8a69 100644 --- a/store/tikv/batch_coprocessor.go +++ b/store/tikv/batch_coprocessor.go @@ -212,8 +212,6 @@ type batchCopIterator struct { memTracker *memory.Tracker - replicaReadSeed uint32 - rpcCancel *RPCCanceller wg sync.WaitGroup diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go index adc5a5f41fcec..8065c5fbd6e8a 100644 --- a/store/tikv/coprocessor.go +++ b/store/tikv/coprocessor.go @@ -291,10 +291,7 @@ type copResponse struct { respTime time.Duration } -const ( - sizeofExecDetails = int(unsafe.Sizeof(execdetails.ExecDetails{})) - sizeofCommitDetails = int(unsafe.Sizeof(execdetails.CommitDetails{})) -) +const sizeofExecDetails = int(unsafe.Sizeof(execdetails.ExecDetails{})) // GetData implements the kv.ResultSubset GetData interface. func (rs *copResponse) GetData() []byte { @@ -815,7 +812,6 @@ func (ch *clientHelper) SendReqCtx(bo *Backoffer, req *tikvrpc.Request, regionID const ( minLogBackoffTime = 100 minLogKVProcessTime = 100 - minLogKVWaitTime = 200 ) func (worker *copIteratorWorker) logTimeCopTask(costTime time.Duration, task *copTask, bo *Backoffer, resp *tikvrpc.Response) { diff --git a/store/tikv/coprocessor_test.go b/store/tikv/coprocessor_test.go index de2070de8b834..6d6aa0223c198 100644 --- a/store/tikv/coprocessor_test.go +++ b/store/tikv/coprocessor_test.go @@ -263,20 +263,6 @@ func (s *testCoprocessorSuite) rangeEqual(c *C, ranges []kv.KeyRange, keys ...st } } -func (s *testCoprocessorSuite) checkEqual(c *C, copRanges *KeyRanges, ranges []kv.KeyRange, slice bool) { - c.Assert(copRanges.Len(), Equals, len(ranges)) - for i := range ranges { - c.Assert(copRanges.At(i), DeepEquals, ranges[i]) - } - if slice { - for i := 0; i <= copRanges.Len(); i++ { - for j := i; j <= copRanges.Len(); j++ { - s.checkEqual(c, copRanges.Slice(i, j), ranges[i:j], false) - } - } - } -} - func (s *testCoprocessorSuite) TestRateLimit(c *C) { done := make(chan struct{}, 1) rl := newRateLimit(1) diff --git a/store/tikv/gcworker/gc_worker_test.go b/store/tikv/gcworker/gc_worker_test.go index 4294f5dc254c2..6d1d8273cb591 100644 --- a/store/tikv/gcworker/gc_worker_test.go +++ b/store/tikv/gcworker/gc_worker_test.go @@ -1201,9 +1201,7 @@ func (s *testGCWorkerSuite) TestMergeLockScanner(c *C) { makeLockList := func(locks ...*tikv.Lock) []*tikv.Lock { res := make([]*tikv.Lock, 0, len(locks)) - for _, lock := range locks { - res = append(res, lock) - } + res = append(res, locks...) return res } diff --git a/store/tikv/region_cache.go b/store/tikv/region_cache.go index 0ea528f8d5a0b..73d09623cb406 100644 --- a/store/tikv/region_cache.go +++ b/store/tikv/region_cache.go @@ -182,10 +182,7 @@ func (r *RegionStore) kvPeer(seed uint32, op *storeSelectorOp) AccessIndex { func (r *RegionStore) filterStoreCandidate(aidx AccessIndex, op *storeSelectorOp) bool { _, s := r.accessStore(TiKvOnly, aidx) // filter label unmatched store - if !s.IsLabelsMatch(op.labels) { - return false - } - return true + return s.IsLabelsMatch(op.labels) } // init initializes region after constructed. @@ -1670,7 +1667,6 @@ const ( unknown livenessState = iota reachable unreachable - offline ) func (s *Store) requestLiveness(bo *Backoffer) (l livenessState) { diff --git a/store/tikv/txn.go b/store/tikv/txn.go index f1065b66cfd6c..587e831fa5abe 100644 --- a/store/tikv/txn.go +++ b/store/tikv/txn.go @@ -70,15 +70,7 @@ type tikvTxn struct { committer *twoPhaseCommitter lockedCnt int - // For data consistency check. - // assertions[:confirmed] is the assertion of current transaction. - // assertions[confirmed:len(assertions)] is the assertions of current statement. - // StmtCommit/StmtRollback may change the confirmed position. - assertions []assertionPair - confirmed int - valid bool - dirty bool // txnInfoSchema is the infoSchema fetched at startTS. txnInfoSchema SchemaVer @@ -123,15 +115,6 @@ func newTiKVTxnWithExactStaleness(store *KVStore, txnScope string, prevSec uint6 return newTiKVTxnWithStartTS(store, txnScope, startTS, store.nextReplicaReadSeed()) } -type assertionPair struct { - key kv.Key - assertion kv.AssertionType -} - -func (a assertionPair) String() string { - return fmt.Sprintf("key: %s, assertion type: %d", a.key, a.assertion) -} - // SetSuccess is used to probe if kv variables are set or not. It is ONLY used in test cases. var SetSuccess = false From f05f4a8e757b4a99a617292d50deffe1036517f9 Mon Sep 17 00:00:00 2001 From: lance6716 Date: Tue, 2 Feb 2021 18:33:28 +0800 Subject: [PATCH 0752/1021] store: add OpenWithOptions to avoid caller modifying global config (#22170) --- store/kv_test.go | 28 ++++++++++++++++ store/tikv_driver.go | 79 +++++++++++++++++++++++++++++++++++--------- 2 files changed, 92 insertions(+), 15 deletions(-) create mode 100644 store/kv_test.go diff --git a/store/kv_test.go b/store/kv_test.go new file mode 100644 index 0000000000000..f563d64c2a7c3 --- /dev/null +++ b/store/kv_test.go @@ -0,0 +1,28 @@ +package store + +import ( + . "github.com/pingcap/check" + "github.com/pingcap/tidb/store/tikv/config" +) + +type testTiKVDriverSuite struct { + OneByOneSuite + store *tikvStore +} + +var _ = Suite(&testTiKVDriverSuite{}) + +func (s *testTiKVDriverSuite) TestSetDefaultAndOptions(c *C) { + globalConfig := config.GetGlobalConfig() + originSec := globalConfig.Security + + d := TiKVDriver{} + security := config.Security{ClusterSSLCA: "test"} + d.setDefaultAndOptions(WithSecurity(security)) + + c.Assert(d.security, DeepEquals, security) + c.Assert(d.tikvConfig, DeepEquals, globalConfig.TiKVClient) + c.Assert(d.txnLocalLatches, DeepEquals, globalConfig.TxnLocalLatches) + c.Assert(d.pdConfig, DeepEquals, globalConfig.PDClient) + c.Assert(config.GetGlobalConfig().Security, DeepEquals, originSec) +} diff --git a/store/tikv_driver.go b/store/tikv_driver.go index 5f6402412dd14..d74c410265cbb 100644 --- a/store/tikv_driver.go +++ b/store/tikv_driver.go @@ -47,34 +47,83 @@ func init() { rand.Seed(time.Now().UnixNano()) } +// DriverOption is a function that changes some config of Driver +type DriverOption func(*TiKVDriver) + +// WithSecurity changes the config.Security used by tikv driver. +func WithSecurity(s config.Security) DriverOption { + return func(c *TiKVDriver) { + c.security = s + } +} + +// WithTiKVClientConfig changes the config.TiKVClient used by tikv driver. +func WithTiKVClientConfig(client config.TiKVClient) DriverOption { + return func(c *TiKVDriver) { + c.tikvConfig = client + } +} + +// WithTxnLocalLatches changes the config.TxnLocalLatches used by tikv driver. +func WithTxnLocalLatches(t config.TxnLocalLatches) DriverOption { + return func(c *TiKVDriver) { + c.txnLocalLatches = t + } +} + +// WithPDClientConfig changes the config.PDClient used by tikv driver. +func WithPDClientConfig(client config.PDClient) DriverOption { + return func(c *TiKVDriver) { + c.pdConfig = client + } +} + // TiKVDriver implements engine TiKV. type TiKVDriver struct { + pdConfig config.PDClient + security config.Security + tikvConfig config.TiKVClient + txnLocalLatches config.TxnLocalLatches } -// Open opens or creates an TiKV storage with given path. +// Open opens or creates an TiKV storage with given path using global config. // Path example: tikv://etcd-node1:port,etcd-node2:port?cluster=1&disableGC=false func (d TiKVDriver) Open(path string) (kv.Storage, error) { + return d.OpenWithOptions(path) +} + +func (d *TiKVDriver) setDefaultAndOptions(options ...DriverOption) { + tidbCfg := config.GetGlobalConfig() + d.pdConfig = tidbCfg.PDClient + d.security = tidbCfg.Security + d.tikvConfig = tidbCfg.TiKVClient + d.txnLocalLatches = tidbCfg.TxnLocalLatches + for _, f := range options { + f(d) + } +} + +// OpenWithOptions is used by other program that use tidb as a library, to avoid modifying GlobalConfig +// unspecified options will be set to global config +func (d TiKVDriver) OpenWithOptions(path string, options ...DriverOption) (kv.Storage, error) { mc.Lock() defer mc.Unlock() - security := config.GetGlobalConfig().Security - pdConfig := config.GetGlobalConfig().PDClient - tikvConfig := config.GetGlobalConfig().TiKVClient - txnLocalLatches := config.GetGlobalConfig().TxnLocalLatches + d.setDefaultAndOptions(options...) etcdAddrs, disableGC, err := config.ParsePath(path) if err != nil { return nil, errors.Trace(err) } pdCli, err := pd.NewClient(etcdAddrs, pd.SecurityOption{ - CAPath: security.ClusterSSLCA, - CertPath: security.ClusterSSLCert, - KeyPath: security.ClusterSSLKey, + CAPath: d.security.ClusterSSLCA, + CertPath: d.security.ClusterSSLCert, + KeyPath: d.security.ClusterSSLKey, }, pd.WithGRPCDialOptions( grpc.WithKeepaliveParams(keepalive.ClientParameters{ - Time: time.Duration(tikvConfig.GrpcKeepAliveTime) * time.Second, - Timeout: time.Duration(tikvConfig.GrpcKeepAliveTimeout) * time.Second, + Time: time.Duration(d.tikvConfig.GrpcKeepAliveTime) * time.Second, + Timeout: time.Duration(d.tikvConfig.GrpcKeepAliveTimeout) * time.Second, }), - ), pd.WithCustomTimeoutOption(time.Duration(pdConfig.PDServerTimeout)*time.Second)) + ), pd.WithCustomTimeoutOption(time.Duration(d.pdConfig.PDServerTimeout)*time.Second)) pdCli = execdetails.InterceptedPDClient{Client: pdCli} if err != nil { @@ -87,7 +136,7 @@ func (d TiKVDriver) Open(path string) (kv.Storage, error) { return store, nil } - tlsConfig, err := security.ToTLSConfig() + tlsConfig, err := d.security.ToTLSConfig() if err != nil { return nil, errors.Trace(err) } @@ -98,12 +147,12 @@ func (d TiKVDriver) Open(path string) (kv.Storage, error) { } coprCacheConfig := &config.GetGlobalConfig().TiKVClient.CoprCache - s, err := tikv.NewKVStore(uuid, &tikv.CodecPDClient{Client: pdCli}, spkv, tikv.NewRPCClient(security), !disableGC, coprCacheConfig) + s, err := tikv.NewKVStore(uuid, &tikv.CodecPDClient{Client: pdCli}, spkv, tikv.NewRPCClient(d.security), !disableGC, coprCacheConfig) if err != nil { return nil, errors.Trace(err) } - if txnLocalLatches.Enabled { - s.EnableTxnLocalLatches(txnLocalLatches.Capacity) + if d.txnLocalLatches.Enabled { + s.EnableTxnLocalLatches(d.txnLocalLatches.Capacity) } store := &tikvStore{ From f8b0d8f7edb2545263f5a306a178a47a18d4556c Mon Sep 17 00:00:00 2001 From: Tjianke <34013484+Tjianke@users.noreply.github.com> Date: Tue, 2 Feb 2021 19:12:27 +0800 Subject: [PATCH 0753/1021] infoschema: show query disk usage in information_schema.processlist (#22417) --- infoschema/tables.go | 1 + infoschema/tables_test.go | 17 +++++++++-------- util/processinfo.go | 12 +++++++++--- 3 files changed, 19 insertions(+), 11 deletions(-) diff --git a/infoschema/tables.go b/infoschema/tables.go index b3e0841877fa6..049a5901731cb 100644 --- a/infoschema/tables.go +++ b/infoschema/tables.go @@ -724,6 +724,7 @@ var tableProcesslistCols = []columnInfo{ {name: "INFO", tp: mysql.TypeLongBlob, size: types.UnspecifiedLength}, {name: "DIGEST", tp: mysql.TypeVarchar, size: 64, deflt: ""}, {name: "MEM", tp: mysql.TypeLonglong, size: 21, flag: mysql.UnsignedFlag}, + {name: "DISK", tp: mysql.TypeLonglong, size: 21, flag: mysql.UnsignedFlag}, {name: "TxnStart", tp: mysql.TypeVarchar, size: 64, flag: mysql.NotNullFlag, deflt: ""}, } diff --git a/infoschema/tables_test.go b/infoschema/tables_test.go index 32f347a1f9d79..c611a1224f9df 100644 --- a/infoschema/tables_test.go +++ b/infoschema/tables_test.go @@ -304,6 +304,7 @@ func (s *testTableSuite) TestInfoschemaFieldValue(c *C) { " `INFO` longtext DEFAULT NULL,\n" + " `DIGEST` varchar(64) DEFAULT '',\n" + " `MEM` bigint(21) unsigned DEFAULT NULL,\n" + + " `DISK` bigint(21) unsigned DEFAULT NULL,\n" + " `TxnStart` varchar(64) NOT NULL DEFAULT ''\n" + ") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin")) tk.MustQuery("show create table information_schema.cluster_log").Check( @@ -483,8 +484,8 @@ func (s *testTableSuite) TestSomeTables(c *C) { tk.Se.SetSessionManager(sm) tk.MustQuery("select * from information_schema.PROCESSLIST order by ID;").Sort().Check( testkit.Rows( - fmt.Sprintf("1 user-1 localhost information_schema Quit 9223372036 %s %s abc1 0 ", "in transaction", "do something"), - fmt.Sprintf("2 user-2 localhost test Init DB 9223372036 %s %s abc2 0 ", "autocommit", strings.Repeat("x", 101)), + fmt.Sprintf("1 user-1 localhost information_schema Quit 9223372036 %s %s abc1 0 0 ", "in transaction", "do something"), + fmt.Sprintf("2 user-2 localhost test Init DB 9223372036 %s %s abc2 0 0 ", "autocommit", strings.Repeat("x", 101)), )) tk.MustQuery("SHOW PROCESSLIST;").Sort().Check( testkit.Rows( @@ -523,8 +524,8 @@ func (s *testTableSuite) TestSomeTables(c *C) { tk.Se.GetSessionVars().TimeZone = time.UTC tk.MustQuery("select * from information_schema.PROCESSLIST order by ID;").Check( testkit.Rows( - fmt.Sprintf("1 user-1 localhost information_schema Quit 9223372036 %s %s abc1 0 ", "in transaction", ""), - fmt.Sprintf("2 user-2 localhost Init DB 9223372036 %s %s abc2 0 07-29 03:26:05.158(410090409861578752)", "autocommit", strings.Repeat("x", 101)), + fmt.Sprintf("1 user-1 localhost information_schema Quit 9223372036 %s %s abc1 0 0 ", "in transaction", ""), + fmt.Sprintf("2 user-2 localhost Init DB 9223372036 %s %s abc2 0 0 07-29 03:26:05.158(410090409861578752)", "autocommit", strings.Repeat("x", 101)), )) tk.MustQuery("SHOW PROCESSLIST;").Sort().Check( testkit.Rows( @@ -538,11 +539,11 @@ func (s *testTableSuite) TestSomeTables(c *C) { )) tk.MustQuery("select * from information_schema.PROCESSLIST where db is null;").Check( testkit.Rows( - fmt.Sprintf("2 user-2 localhost Init DB 9223372036 %s %s abc2 0 07-29 03:26:05.158(410090409861578752)", "autocommit", strings.Repeat("x", 101)), + fmt.Sprintf("2 user-2 localhost Init DB 9223372036 %s %s abc2 0 0 07-29 03:26:05.158(410090409861578752)", "autocommit", strings.Repeat("x", 101)), )) tk.MustQuery("select * from information_schema.PROCESSLIST where Info is null;").Check( testkit.Rows( - fmt.Sprintf("1 user-1 localhost information_schema Quit 9223372036 %s %s abc1 0 ", "in transaction", ""), + fmt.Sprintf("1 user-1 localhost information_schema Quit 9223372036 %s %s abc1 0 0 ", "in transaction", ""), )) } @@ -807,7 +808,7 @@ func (s *testClusterTableSuite) TestSelectClusterTable(c *C) { tk.MustQuery("select count(*) from `CLUSTER_SLOW_QUERY`").Check(testkit.Rows("1")) tk.MustQuery("select time from `CLUSTER_SLOW_QUERY` where time='2019-02-12 19:33:56.571953'").Check(testutil.RowsWithSep("|", "2019-02-12 19:33:56.571953")) tk.MustQuery("select count(*) from `CLUSTER_PROCESSLIST`").Check(testkit.Rows("1")) - tk.MustQuery("select * from `CLUSTER_PROCESSLIST`").Check(testkit.Rows(fmt.Sprintf(":10080 1 root 127.0.0.1 Query 9223372036 %s 0 ", ""))) + tk.MustQuery("select * from `CLUSTER_PROCESSLIST`").Check(testkit.Rows(fmt.Sprintf(":10080 1 root 127.0.0.1 Query 9223372036 %s 0 0 ", ""))) tk.MustQuery("select query_time, conn_id from `CLUSTER_SLOW_QUERY` order by time limit 1").Check(testkit.Rows("4.895492 6")) tk.MustQuery("select count(*) from `CLUSTER_SLOW_QUERY` group by digest").Check(testkit.Rows("1")) tk.MustQuery("select digest, count(*) from `CLUSTER_SLOW_QUERY` group by digest").Check(testkit.Rows("42a1c8aae6f133e934d4bf0147491709a8812ea05ff8819ec522780fe657b772 1")) @@ -858,7 +859,7 @@ select * from t3; tk.MustQuery("select count(*) from `CLUSTER_SLOW_QUERY`").Check(testkit.Rows("4")) tk.MustQuery("select count(*) from `SLOW_QUERY`").Check(testkit.Rows("4")) tk.MustQuery("select count(*) from `CLUSTER_PROCESSLIST`").Check(testkit.Rows("1")) - tk.MustQuery("select * from `CLUSTER_PROCESSLIST`").Check(testkit.Rows(fmt.Sprintf(":10080 1 root 127.0.0.1 Query 9223372036 %s 0 ", ""))) + tk.MustQuery("select * from `CLUSTER_PROCESSLIST`").Check(testkit.Rows(fmt.Sprintf(":10080 1 root 127.0.0.1 Query 9223372036 %s 0 0 ", ""))) tk.MustExec("create user user1") tk.MustExec("create user user2") user1 := testkit.NewTestKit(c, s.store) diff --git a/util/processinfo.go b/util/processinfo.go index 71ffc8d689732..97cd6c338fdd6 100644 --- a/util/processinfo.go +++ b/util/processinfo.go @@ -91,10 +91,16 @@ func (pi *ProcessInfo) txnStartTs(tz *time.Location) (txnStart string) { // "SELECT * FROM INFORMATION_SCHEMA.PROCESSLIST". func (pi *ProcessInfo) ToRow(tz *time.Location) []interface{} { bytesConsumed := int64(0) - if pi.StmtCtx != nil && pi.StmtCtx.MemTracker != nil { - bytesConsumed = pi.StmtCtx.MemTracker.BytesConsumed() + diskConsumed := int64(0) + if pi.StmtCtx != nil { + if pi.StmtCtx.MemTracker != nil { + bytesConsumed = pi.StmtCtx.MemTracker.BytesConsumed() + } + if pi.StmtCtx.DiskTracker != nil { + diskConsumed = pi.StmtCtx.DiskTracker.BytesConsumed() + } } - return append(pi.ToRowForShow(true), pi.Digest, bytesConsumed, pi.txnStartTs(tz)) + return append(pi.ToRowForShow(true), pi.Digest, bytesConsumed, diskConsumed, pi.txnStartTs(tz)) } // ascServerStatus is a slice of all defined server status in ascending order. From 26086b297cadbaff3a85e5c732d03963ab5f1349 Mon Sep 17 00:00:00 2001 From: Morgan Tocker Date: Tue, 2 Feb 2021 22:11:28 -0700 Subject: [PATCH 0754/1021] privilege: remove any string concat (#22523) --- privilege/privileges/cache.go | 40 +++++++----- privilege/privileges/privileges_test.go | 84 ++++++++++++------------- 2 files changed, 67 insertions(+), 57 deletions(-) diff --git a/privilege/privileges/cache.go b/privilege/privileges/cache.go index 8d466690250a7..f695742047473 100644 --- a/privilege/privileges/cache.go +++ b/privilege/privileges/cache.go @@ -48,6 +48,23 @@ var ( const globalDBVisible = mysql.CreatePriv | mysql.SelectPriv | mysql.InsertPriv | mysql.UpdatePriv | mysql.DeletePriv | mysql.ShowDBPriv | mysql.DropPriv | mysql.AlterPriv | mysql.IndexPriv | mysql.CreateViewPriv | mysql.ShowViewPriv | mysql.GrantPriv | mysql.TriggerPriv | mysql.ReferencesPriv | mysql.ExecutePriv +const ( + sqlLoadRoleGraph = "SELECT HIGH_PRIORITY FROM_USER, FROM_HOST, TO_USER, TO_HOST FROM mysql.role_edges" + sqlLoadGlobalPrivTable = "SELECT HIGH_PRIORITY Host,User,Priv FROM mysql.global_priv" + sqlLoadDBTable = "SELECT HIGH_PRIORITY Host,DB,User,Select_priv,Insert_priv,Update_priv,Delete_priv,Create_priv,Drop_priv,Grant_priv,Index_priv,Alter_priv,Execute_priv,Create_view_priv,Show_view_priv FROM mysql.db ORDER BY host, db, user" + sqlLoadTablePrivTable = "SELECT HIGH_PRIORITY Host,DB,User,Table_name,Grantor,Timestamp,Table_priv,Column_priv FROM mysql.tables_priv" + sqlLoadColumnsPrivTable = "SELECT HIGH_PRIORITY Host,DB,User,Table_name,Column_name,Timestamp,Column_priv FROM mysql.columns_priv" + sqlLoadDefaultRoles = "SELECT HIGH_PRIORITY HOST, USER, DEFAULT_ROLE_HOST, DEFAULT_ROLE_USER FROM mysql.default_roles" + // list of privileges from mysql.Priv2UserCol + sqlLoadUserTable = `SELECT HIGH_PRIORITY Host,User,authentication_string, + Create_priv, Select_priv, Insert_priv, Update_priv, Delete_priv, Show_db_priv, Super_priv, + Create_user_priv,Create_tablespace_priv,Trigger_priv,Drop_priv,Process_priv,Grant_priv, + References_priv,Alter_priv,Execute_priv,Index_priv,Create_view_priv,Show_view_priv, + Create_role_priv,Drop_role_priv,Create_tmp_table_priv,Lock_tables_priv,Create_routine_priv, + Alter_routine_priv,Event_priv,Shutdown_priv,Reload_priv,File_priv,Config_priv,Repl_client_priv,Repl_slave_priv, + account_locked FROM mysql.user` +) + func computePrivMask(privs []mysql.PrivilegeType) mysql.PrivilegeType { var mask mysql.PrivilegeType for _, p := range privs { @@ -348,7 +365,7 @@ func noSuchTable(err error) bool { // LoadRoleGraph loads the mysql.role_edges table from database. func (p *MySQLPrivilege) LoadRoleGraph(ctx sessionctx.Context) error { p.RoleGraph = make(map[string]roleGraphEdgesTable) - err := p.loadTable(ctx, "select FROM_USER, FROM_HOST, TO_USER, TO_HOST from mysql.role_edges;", p.decodeRoleEdgesTable) + err := p.loadTable(ctx, sqlLoadRoleGraph, p.decodeRoleEdgesTable) if err != nil { return errors.Trace(err) } @@ -357,12 +374,7 @@ func (p *MySQLPrivilege) LoadRoleGraph(ctx sessionctx.Context) error { // LoadUserTable loads the mysql.user table from database. func (p *MySQLPrivilege) LoadUserTable(ctx sessionctx.Context) error { - userPrivCols := make([]string, 0, len(mysql.Priv2UserCol)) - for _, v := range mysql.Priv2UserCol { - userPrivCols = append(userPrivCols, v) - } - query := fmt.Sprintf("select HIGH_PRIORITY Host,User,authentication_string,%s,account_locked from mysql.user;", strings.Join(userPrivCols, ", ")) - err := p.loadTable(ctx, query, p.decodeUserTableRow) + err := p.loadTable(ctx, sqlLoadUserTable, p.decodeUserTableRow) if err != nil { return errors.Trace(err) } @@ -468,12 +480,12 @@ func (p MySQLPrivilege) SortUserTable() { // LoadGlobalPrivTable loads the mysql.global_priv table from database. func (p *MySQLPrivilege) LoadGlobalPrivTable(ctx sessionctx.Context) error { - return p.loadTable(ctx, "select HIGH_PRIORITY Host,User,Priv from mysql.global_priv", p.decodeGlobalPrivTableRow) + return p.loadTable(ctx, sqlLoadGlobalPrivTable, p.decodeGlobalPrivTableRow) } // LoadDBTable loads the mysql.db table from database. func (p *MySQLPrivilege) LoadDBTable(ctx sessionctx.Context) error { - err := p.loadTable(ctx, "select HIGH_PRIORITY Host,DB,User,Select_priv,Insert_priv,Update_priv,Delete_priv,Create_priv,Drop_priv,Grant_priv,Index_priv,Alter_priv,Execute_priv,Create_view_priv,Show_view_priv from mysql.db order by host, db, user;", p.decodeDBTableRow) + err := p.loadTable(ctx, sqlLoadDBTable, p.decodeDBTableRow) if err != nil { return err } @@ -491,7 +503,7 @@ func (p *MySQLPrivilege) buildDBMap() { // LoadTablesPrivTable loads the mysql.tables_priv table from database. func (p *MySQLPrivilege) LoadTablesPrivTable(ctx sessionctx.Context) error { - err := p.loadTable(ctx, "select HIGH_PRIORITY Host,DB,User,Table_name,Grantor,Timestamp,Table_priv,Column_priv from mysql.tables_priv", p.decodeTablesPrivTableRow) + err := p.loadTable(ctx, sqlLoadTablePrivTable, p.decodeTablesPrivTableRow) if err != nil { return err } @@ -509,24 +521,22 @@ func (p *MySQLPrivilege) buildTablesPrivMap() { // LoadColumnsPrivTable loads the mysql.columns_priv table from database. func (p *MySQLPrivilege) LoadColumnsPrivTable(ctx sessionctx.Context) error { - return p.loadTable(ctx, "select HIGH_PRIORITY Host,DB,User,Table_name,Column_name,Timestamp,Column_priv from mysql.columns_priv", p.decodeColumnsPrivTableRow) + return p.loadTable(ctx, sqlLoadColumnsPrivTable, p.decodeColumnsPrivTableRow) } // LoadDefaultRoles loads the mysql.columns_priv table from database. func (p *MySQLPrivilege) LoadDefaultRoles(ctx sessionctx.Context) error { - return p.loadTable(ctx, "select HOST, USER, DEFAULT_ROLE_HOST, DEFAULT_ROLE_USER from mysql.default_roles", p.decodeDefaultRoleTableRow) + return p.loadTable(ctx, sqlLoadDefaultRoles, p.decodeDefaultRoleTableRow) } func (p *MySQLPrivilege) loadTable(sctx sessionctx.Context, sql string, decodeTableRow func(chunk.Row, []*ast.ResultField) error) error { ctx := context.Background() - tmp, err := sctx.(sqlexec.SQLExecutor).Execute(ctx, sql) + rs, err := sctx.(sqlexec.SQLExecutor).ExecuteInternal(ctx, sql) if err != nil { return errors.Trace(err) } - rs := tmp[0] defer terror.Call(rs.Close) - fs := rs.Fields() req := rs.NewChunk() for { diff --git a/privilege/privileges/privileges_test.go b/privilege/privileges/privileges_test.go index 96c3eb34053af..6f79d9c0d8c84 100644 --- a/privilege/privileges/privileges_test.go +++ b/privilege/privileges/privileges_test.go @@ -150,9 +150,9 @@ func (s *testPrivilegeSuite) TestCheckPointGetDBPrivilege(c *C) { se := newSession(c, s.store, s.dbName) c.Assert(se.Auth(&auth.UserIdentity{Username: "tester", Hostname: "localhost"}, nil, nil), IsTrue) mustExec(c, se, `use test;`) - _, err := se.Execute(context.Background(), `select * from test2.t where id = 1`) + _, err := se.ExecuteInternal(context.Background(), `select * from test2.t where id = 1`) c.Assert(terror.ErrorEqual(err, core.ErrTableaccessDenied), IsTrue) - _, err = se.Execute(context.Background(), "update test2.t set v = 2 where id = 1") + _, err = se.ExecuteInternal(context.Background(), "update test2.t set v = 2 where id = 1") c.Assert(terror.ErrorEqual(err, core.ErrTableaccessDenied), IsTrue) } @@ -410,7 +410,7 @@ func (s *testPrivilegeSuite) TestDropTablePriv(c *C) { // ctx.GetSessionVars().User = "drop@localhost" c.Assert(se.Auth(&auth.UserIdentity{Username: "drop", Hostname: "localhost"}, nil, nil), IsTrue) mustExec(c, se, `SELECT * FROM todrop;`) - _, err := se.Execute(context.Background(), "DROP TABLE todrop;") + _, err := se.ExecuteInternal(context.Background(), "DROP TABLE todrop;") c.Assert(err, NotNil) se = newSession(c, s.store, s.dbName) @@ -437,7 +437,7 @@ func (s *testPrivilegeSuite) TestSetPasswdStmt(c *C) { // low privileged user trying to set password for other user (fails) c.Assert(se.Auth(&auth.UserIdentity{Username: "nobodyuser", Hostname: "localhost", AuthUsername: "nobodyuser", AuthHostname: "%"}, nil, nil), IsTrue) - _, err := se.Execute(context.Background(), "SET PASSWORD for 'superuser' = 'newpassword'") + _, err := se.ExecuteInternal(context.Background(), "SET PASSWORD for 'superuser' = 'newpassword'") c.Assert(err, NotNil) } @@ -460,7 +460,7 @@ func (s *testPrivilegeSuite) TestSelectViewSecurity(c *C) { ctx.GetSessionVars().User = &auth.UserIdentity{Username: "root", Hostname: "localhost"} mustExec(c, se, "SELECT * FROM test.selectviewsecurity") mustExec(c, se, `REVOKE Select ON test.viewsecurity FROM 'selectusr'@'localhost';`) - _, err := se.Execute(context.Background(), "select * from test.selectviewsecurity") + _, err := se.ExecuteInternal(context.Background(), "select * from test.selectviewsecurity") c.Assert(err.Error(), Equals, core.ErrViewInvalid.GenWithStackByArgs("test", "selectviewsecurity").Error()) } @@ -479,7 +479,7 @@ func (s *testPrivilegeSuite) TestRoleAdminSecurity(c *C) { mustExec(c, se, `create role r_test1@localhost`) c.Assert(se.Auth(&auth.UserIdentity{Username: "ar2", Hostname: "localhost"}, nil, nil), IsTrue) - _, err := se.Execute(context.Background(), `create role r_test2@localhost`) + _, err := se.ExecuteInternal(context.Background(), `create role r_test2@localhost`) c.Assert(terror.ErrorEqual(err, core.ErrSpecificAccessDenied), IsTrue) } @@ -765,7 +765,7 @@ func (s *testPrivilegeSuite) TestUseDB(c *C) { mustExec(c, se, "GRANT ALL ON *.* TO 'usesuper'") // without grant option c.Assert(se.Auth(&auth.UserIdentity{Username: "usesuper", Hostname: "localhost", AuthUsername: "usesuper", AuthHostname: "%"}, nil, nil), IsTrue) - _, e := se.Execute(context.Background(), "GRANT SELECT ON mysql.* TO 'usenobody'") + _, e := se.ExecuteInternal(context.Background(), "GRANT SELECT ON mysql.* TO 'usenobody'") c.Assert(e, NotNil) // with grant option se = newSession(c, s.store, s.dbName) @@ -775,14 +775,14 @@ func (s *testPrivilegeSuite) TestUseDB(c *C) { mustExec(c, se, "use mysql") // low privileged user c.Assert(se.Auth(&auth.UserIdentity{Username: "usenobody", Hostname: "localhost", AuthUsername: "usenobody", AuthHostname: "%"}, nil, nil), IsTrue) - _, err := se.Execute(context.Background(), "use mysql") + _, err := se.ExecuteInternal(context.Background(), "use mysql") c.Assert(err, NotNil) // try again after privilege granted c.Assert(se.Auth(&auth.UserIdentity{Username: "usesuper", Hostname: "localhost", AuthUsername: "usesuper", AuthHostname: "%"}, nil, nil), IsTrue) mustExec(c, se, "GRANT SELECT ON mysql.* TO 'usenobody'") c.Assert(se.Auth(&auth.UserIdentity{Username: "usenobody", Hostname: "localhost", AuthUsername: "usenobody", AuthHostname: "%"}, nil, nil), IsTrue) - _, err = se.Execute(context.Background(), "use mysql") + _, err = se.ExecuteInternal(context.Background(), "use mysql") c.Assert(err, IsNil) // test `use db` for role. @@ -794,9 +794,9 @@ func (s *testPrivilegeSuite) TestUseDB(c *C) { mustExec(c, se, `GRANT 'app_developer' TO 'dev'@'localhost'`) mustExec(c, se, `SET DEFAULT ROLE 'app_developer' TO 'dev'@'localhost'`) c.Assert(se.Auth(&auth.UserIdentity{Username: "dev", Hostname: "localhost", AuthUsername: "dev", AuthHostname: "localhost"}, nil, nil), IsTrue) - _, err = se.Execute(context.Background(), "use app_db") + _, err = se.ExecuteInternal(context.Background(), "use app_db") c.Assert(err, IsNil) - _, err = se.Execute(context.Background(), "use mysql") + _, err = se.ExecuteInternal(context.Background(), "use mysql") c.Assert(err, NotNil) } @@ -808,7 +808,7 @@ func (s *testPrivilegeSuite) TestRevokePrivileges(c *C) { mustExec(c, se, "GRANT ALL ON mysql.* TO 'withoutgrant'") // Without grant option c.Assert(se.Auth(&auth.UserIdentity{Username: "hasgrant", Hostname: "localhost", AuthUsername: "hasgrant", AuthHostname: "%"}, nil, nil), IsTrue) - _, e := se.Execute(context.Background(), "REVOKE SELECT ON mysql.* FROM 'withoutgrant'") + _, e := se.ExecuteInternal(context.Background(), "REVOKE SELECT ON mysql.* FROM 'withoutgrant'") c.Assert(e, NotNil) // With grant option se = newSession(c, s.store, s.dbName) @@ -828,7 +828,7 @@ func (s *testPrivilegeSuite) TestSetGlobal(c *C) { mustExec(c, se, `set global innodb_commit_concurrency=16`) c.Assert(se.Auth(&auth.UserIdentity{Username: "setglobal_b", Hostname: "localhost"}, nil, nil), IsTrue) - _, err := se.Execute(context.Background(), `set global innodb_commit_concurrency=16`) + _, err := se.ExecuteInternal(context.Background(), `set global innodb_commit_concurrency=16`) c.Assert(terror.ErrorEqual(err, core.ErrSpecificAccessDenied), IsTrue) } @@ -839,9 +839,9 @@ func (s *testPrivilegeSuite) TestCreateDropUser(c *C) { // should fail c.Assert(se.Auth(&auth.UserIdentity{Username: "tcd1", Hostname: "localhost", AuthUsername: "tcd1", AuthHostname: "%"}, nil, nil), IsTrue) - _, err := se.Execute(context.Background(), `CREATE USER acdc`) + _, err := se.ExecuteInternal(context.Background(), `CREATE USER acdc`) c.Assert(terror.ErrorEqual(err, core.ErrSpecificAccessDenied), IsTrue) - _, err = se.Execute(context.Background(), `DROP USER tcd2`) + _, err = se.ExecuteInternal(context.Background(), `DROP USER tcd2`) c.Assert(terror.ErrorEqual(err, core.ErrSpecificAccessDenied), IsTrue) // should pass @@ -870,7 +870,7 @@ func (s *testPrivilegeSuite) TestConfigPrivilege(c *C) { c.Assert(se.Auth(&auth.UserIdentity{Username: "tcd1", Hostname: "localhost", AuthHostname: "tcd1", AuthUsername: "%"}, nil, nil), IsTrue) mustExec(c, se, `SET CONFIG TIKV testkey="testval"`) c.Assert(se.Auth(&auth.UserIdentity{Username: "tcd2", Hostname: "localhost", AuthHostname: "tcd2", AuthUsername: "%"}, nil, nil), IsTrue) - _, err := se.Execute(context.Background(), `SET CONFIG TIKV testkey="testval"`) + _, err := se.ExecuteInternal(context.Background(), `SET CONFIG TIKV testkey="testval"`) c.Assert(err, ErrorMatches, ".*you need \\(at least one of\\) the CONFIG privilege\\(s\\) for this operation") mustExec(c, se, `DROP USER tcd1, tcd2`) } @@ -882,7 +882,7 @@ func (s *testPrivilegeSuite) TestShowCreateTable(c *C) { // should fail c.Assert(se.Auth(&auth.UserIdentity{Username: "tsct1", Hostname: "localhost", AuthUsername: "tsct1", AuthHostname: "%"}, nil, nil), IsTrue) - _, err := se.Execute(context.Background(), `SHOW CREATE TABLE mysql.user`) + _, err := se.ExecuteInternal(context.Background(), `SHOW CREATE TABLE mysql.user`) c.Assert(terror.ErrorEqual(err, core.ErrTableaccessDenied), IsTrue) // should pass @@ -905,25 +905,25 @@ func (s *testPrivilegeSuite) TestAnalyzeTable(c *C) { mustExec(c, se, "analyze table mysql.user") // low privileged user c.Assert(se.Auth(&auth.UserIdentity{Username: "anobody", Hostname: "localhost", AuthUsername: "anobody", AuthHostname: "%"}, nil, nil), IsTrue) - _, err := se.Execute(context.Background(), "analyze table t1") + _, err := se.ExecuteInternal(context.Background(), "analyze table t1") c.Assert(terror.ErrorEqual(err, core.ErrTableaccessDenied), IsTrue) c.Assert(err.Error(), Equals, "[planner:1142]INSERT command denied to user 'anobody'@'%' for table 't1'") - _, err = se.Execute(context.Background(), "select * from t1") + _, err = se.ExecuteInternal(context.Background(), "select * from t1") c.Assert(err.Error(), Equals, "[planner:1142]SELECT command denied to user 'anobody'@'%' for table 't1'") // try again after SELECT privilege granted c.Assert(se.Auth(&auth.UserIdentity{Username: "asuper", Hostname: "localhost", AuthUsername: "asuper", AuthHostname: "%"}, nil, nil), IsTrue) mustExec(c, se, "GRANT SELECT ON atest.* TO 'anobody'") c.Assert(se.Auth(&auth.UserIdentity{Username: "anobody", Hostname: "localhost", AuthUsername: "anobody", AuthHostname: "%"}, nil, nil), IsTrue) - _, err = se.Execute(context.Background(), "analyze table t1") + _, err = se.ExecuteInternal(context.Background(), "analyze table t1") c.Assert(terror.ErrorEqual(err, core.ErrTableaccessDenied), IsTrue) c.Assert(err.Error(), Equals, "[planner:1142]INSERT command denied to user 'anobody'@'%' for table 't1'") // Add INSERT privilege and it should work. c.Assert(se.Auth(&auth.UserIdentity{Username: "asuper", Hostname: "localhost", AuthUsername: "asuper", AuthHostname: "%"}, nil, nil), IsTrue) mustExec(c, se, "GRANT INSERT ON atest.* TO 'anobody'") c.Assert(se.Auth(&auth.UserIdentity{Username: "anobody", Hostname: "localhost", AuthUsername: "anobody", AuthHostname: "%"}, nil, nil), IsTrue) - _, err = se.Execute(context.Background(), "analyze table t1") + _, err = se.ExecuteInternal(context.Background(), "analyze table t1") c.Assert(err, IsNil) } @@ -935,34 +935,34 @@ func (s *testPrivilegeSuite) TestSystemSchema(c *C) { c.Assert(se.Auth(&auth.UserIdentity{Username: "u1", Hostname: "localhost"}, nil, nil), IsTrue) mustExec(c, se, `select * from information_schema.tables`) mustExec(c, se, `select * from information_schema.key_column_usage`) - _, err := se.Execute(context.Background(), "create table information_schema.t(a int)") + _, err := se.ExecuteInternal(context.Background(), "create table information_schema.t(a int)") c.Assert(strings.Contains(err.Error(), "denied to user"), IsTrue) - _, err = se.Execute(context.Background(), "drop table information_schema.tables") + _, err = se.ExecuteInternal(context.Background(), "drop table information_schema.tables") c.Assert(strings.Contains(err.Error(), "denied to user"), IsTrue) - _, err = se.Execute(context.Background(), "update information_schema.tables set table_name = 'tst' where table_name = 'mysql'") + _, err = se.ExecuteInternal(context.Background(), "update information_schema.tables set table_name = 'tst' where table_name = 'mysql'") c.Assert(strings.Contains(err.Error(), "privilege check fail"), IsTrue) // Test performance_schema. mustExec(c, se, `select * from performance_schema.events_statements_summary_by_digest`) - _, err = se.Execute(context.Background(), "drop table performance_schema.events_statements_summary_by_digest") + _, err = se.ExecuteInternal(context.Background(), "drop table performance_schema.events_statements_summary_by_digest") c.Assert(strings.Contains(err.Error(), "denied to user"), IsTrue) - _, err = se.Execute(context.Background(), "update performance_schema.events_statements_summary_by_digest set schema_name = 'tst'") + _, err = se.ExecuteInternal(context.Background(), "update performance_schema.events_statements_summary_by_digest set schema_name = 'tst'") c.Assert(strings.Contains(err.Error(), "privilege check fail"), IsTrue) - _, err = se.Execute(context.Background(), "delete from performance_schema.events_statements_summary_by_digest") + _, err = se.ExecuteInternal(context.Background(), "delete from performance_schema.events_statements_summary_by_digest") c.Assert(strings.Contains(err.Error(), "privilege check fail"), IsTrue) - _, err = se.Execute(context.Background(), "create table performance_schema.t(a int)") + _, err = se.ExecuteInternal(context.Background(), "create table performance_schema.t(a int)") c.Assert(err, NotNil) c.Assert(strings.Contains(err.Error(), "CREATE command denied"), IsTrue, Commentf(err.Error())) // Test metric_schema. mustExec(c, se, `select * from metrics_schema.tidb_query_duration`) - _, err = se.Execute(context.Background(), "drop table metrics_schema.tidb_query_duration") + _, err = se.ExecuteInternal(context.Background(), "drop table metrics_schema.tidb_query_duration") c.Assert(strings.Contains(err.Error(), "denied to user"), IsTrue) - _, err = se.Execute(context.Background(), "update metrics_schema.tidb_query_duration set instance = 'tst'") + _, err = se.ExecuteInternal(context.Background(), "update metrics_schema.tidb_query_duration set instance = 'tst'") c.Assert(strings.Contains(err.Error(), "privilege check fail"), IsTrue) - _, err = se.Execute(context.Background(), "delete from metrics_schema.tidb_query_duration") + _, err = se.ExecuteInternal(context.Background(), "delete from metrics_schema.tidb_query_duration") c.Assert(strings.Contains(err.Error(), "privilege check fail"), IsTrue) - _, err = se.Execute(context.Background(), "create table metric_schema.t(a int)") + _, err = se.ExecuteInternal(context.Background(), "create table metric_schema.t(a int)") c.Assert(err, NotNil) c.Assert(strings.Contains(err.Error(), "CREATE command denied"), IsTrue, Commentf(err.Error())) } @@ -974,13 +974,13 @@ func (s *testPrivilegeSuite) TestAdminCommand(c *C) { mustExec(c, se, `CREATE TABLE t(a int)`) c.Assert(se.Auth(&auth.UserIdentity{Username: "test_admin", Hostname: "localhost"}, nil, nil), IsTrue) - _, err := se.Execute(context.Background(), "ADMIN SHOW DDL JOBS") + _, err := se.ExecuteInternal(context.Background(), "ADMIN SHOW DDL JOBS") c.Assert(strings.Contains(err.Error(), "privilege check fail"), IsTrue) - _, err = se.Execute(context.Background(), "ADMIN CHECK TABLE t") + _, err = se.ExecuteInternal(context.Background(), "ADMIN CHECK TABLE t") c.Assert(strings.Contains(err.Error(), "privilege check fail"), IsTrue) c.Assert(se.Auth(&auth.UserIdentity{Username: "root", Hostname: "localhost"}, nil, nil), IsTrue) - _, err = se.Execute(context.Background(), "ADMIN SHOW DDL JOBS") + _, err = se.ExecuteInternal(context.Background(), "ADMIN SHOW DDL JOBS") c.Assert(err, IsNil) } @@ -1013,8 +1013,8 @@ func (s *testPrivilegeSuite) TestTableNotExistNoPermissions(c *C) { for _, t := range tests { - _, err1 := se.Execute(context.Background(), fmt.Sprintf(t.stmt, "dbexists", "t1")) - _, err2 := se.Execute(context.Background(), fmt.Sprintf(t.stmt, "dbnotexists", "t1")) + _, err1 := se.ExecuteInternal(context.Background(), fmt.Sprintf(t.stmt, "dbexists", "t1")) + _, err2 := se.ExecuteInternal(context.Background(), fmt.Sprintf(t.stmt, "dbnotexists", "t1")) // Check the error is the same whether table exists or not. c.Assert(terror.ErrorEqual(err1, err2), IsTrue) @@ -1046,12 +1046,12 @@ func (s *testPrivilegeSuite) TestLoadDataPrivilege(c *C) { mustExec(c, se, `CREATE TABLE t_load(a int)`) mustExec(c, se, `GRANT SELECT on *.* to 'test_load'@'localhost'`) c.Assert(se.Auth(&auth.UserIdentity{Username: "test_load", Hostname: "localhost"}, nil, nil), IsTrue) - _, err = se.Execute(context.Background(), "LOAD DATA LOCAL INFILE '/tmp/load_data_priv.csv' INTO TABLE t_load") + _, err = se.ExecuteInternal(context.Background(), "LOAD DATA LOCAL INFILE '/tmp/load_data_priv.csv' INTO TABLE t_load") c.Assert(strings.Contains(err.Error(), "INSERT command denied to user 'test_load'@'localhost' for table 't_load'"), IsTrue) c.Assert(se.Auth(&auth.UserIdentity{Username: "root", Hostname: "localhost"}, nil, nil), IsTrue) mustExec(c, se, `GRANT INSERT on *.* to 'test_load'@'localhost'`) c.Assert(se.Auth(&auth.UserIdentity{Username: "test_load", Hostname: "localhost"}, nil, nil), IsTrue) - _, err = se.Execute(context.Background(), "LOAD DATA LOCAL INFILE '/tmp/load_data_priv.csv' INTO TABLE t_load") + _, err = se.ExecuteInternal(context.Background(), "LOAD DATA LOCAL INFILE '/tmp/load_data_priv.csv' INTO TABLE t_load") c.Assert(err, IsNil) } @@ -1059,7 +1059,7 @@ func (s *testPrivilegeSuite) TestSelectIntoNoPremissions(c *C) { se := newSession(c, s.store, s.dbName) mustExec(c, se, `CREATE USER 'nofile'@'localhost';`) c.Assert(se.Auth(&auth.UserIdentity{Username: "nofile", Hostname: "localhost"}, nil, nil), IsTrue) - _, err := se.Execute(context.Background(), `select 1 into outfile '/tmp/doesntmatter-no-permissions'`) + _, err := se.ExecuteInternal(context.Background(), `select 1 into outfile '/tmp/doesntmatter-no-permissions'`) message := "Access denied; you need (at least one of) the FILE privilege(s) for this operation" c.Assert(strings.Contains(err.Error(), message), IsTrue) } @@ -1082,7 +1082,7 @@ func (s *testPrivilegeSuite) TestAuthHost(c *C) { mustExec(c, se, "GRANT SELECT ON *.* TO 'test_auth_host'@'192.168.%';") c.Assert(se.Auth(&auth.UserIdentity{Username: "test_auth_host", Hostname: "192.168.0.10"}, nil, nil), IsTrue) - _, err := se.Execute(context.Background(), "create user test_auth_host_a") + _, err := se.ExecuteInternal(context.Background(), "create user test_auth_host_a") c.Assert(err, NotNil) mustExec(c, rootSe, "DROP USER 'test_auth_host'@'192.168.%';") @@ -1148,7 +1148,7 @@ func (s *testPrivilegeSuite) TestFieldList(c *C) { // Issue #14237 List fields R } func mustExec(c *C, se session.Session, sql string) { - _, err := se.Execute(context.Background(), sql) + _, err := se.ExecuteInternal(context.Background(), sql) c.Assert(err, IsNil) } From 17a65ab98bf1c5b86b7b9d8fc5c6e28a57e741a8 Mon Sep 17 00:00:00 2001 From: tiancaiamao Date: Wed, 3 Feb 2021 13:28:57 +0800 Subject: [PATCH 0755/1021] statistics: refactor the statistics package use the RestrictedSQLExecutor API (#22636) --- domain/domain.go | 4 +- server/statistics_handler.go | 5 +- statistics/handle/bootstrap.go | 44 +++--- statistics/handle/ddl.go | 69 +++++---- statistics/handle/dump.go | 21 ++- statistics/handle/dump_test.go | 2 +- statistics/handle/gc.go | 79 ++++++---- statistics/handle/handle.go | 240 +++++++++++++++++-------------- statistics/handle/handle_test.go | 10 +- statistics/handle/update.go | 75 +++++----- types/datum.go | 5 +- 11 files changed, 299 insertions(+), 255 deletions(-) diff --git a/domain/domain.go b/domain/domain.go index c6fc8559fb209..ac0ddc2ea73bc 100644 --- a/domain/domain.go +++ b/domain/domain.go @@ -1063,7 +1063,7 @@ func (do *Domain) StatsHandle() *handle.Handle { // CreateStatsHandle is used only for test. func (do *Domain) CreateStatsHandle(ctx sessionctx.Context) error { - h, err := handle.NewHandle(ctx, do.statsLease) + h, err := handle.NewHandle(ctx, do.statsLease, do.sysSessionPool) if err != nil { return err } @@ -1093,7 +1093,7 @@ var RunAutoAnalyze = true // It should be called only once in BootstrapSession. func (do *Domain) UpdateTableStatsLoop(ctx sessionctx.Context) error { ctx.GetSessionVars().InRestrictedSQL = true - statsHandle, err := handle.NewHandle(ctx, do.statsLease) + statsHandle, err := handle.NewHandle(ctx, do.statsLease, do.sysSessionPool) if err != nil { return err } diff --git a/server/statistics_handler.go b/server/statistics_handler.go index fc923396ddefa..733a0559f4943 100644 --- a/server/statistics_handler.go +++ b/server/statistics_handler.go @@ -25,7 +25,6 @@ import ( "github.com/pingcap/tidb/store/tikv/oracle" "github.com/pingcap/tidb/types" "github.com/pingcap/tidb/util/gcutil" - "github.com/pingcap/tidb/util/sqlexec" ) // StatsHandler is the handler for dumping statistics. @@ -122,9 +121,7 @@ func (sh StatsHistoryHandler) ServeHTTP(w http.ResponseWriter, req *http.Request writeError(w, err) return } - se.GetSessionVars().SnapshotInfoschema, se.GetSessionVars().SnapshotTS = is, snapshot - historyStatsExec := se.(sqlexec.RestrictedSQLExecutor) - js, err := h.DumpStatsToJSON(params[pDBName], tbl.Meta(), historyStatsExec) + js, err := h.DumpStatsToJSONBySnapshot(params[pDBName], tbl.Meta(), snapshot) if err != nil { writeError(w, err) } else { diff --git a/statistics/handle/bootstrap.go b/statistics/handle/bootstrap.go index 24a15c88fd491..36f8b8e9d0d66 100644 --- a/statistics/handle/bootstrap.go +++ b/statistics/handle/bootstrap.go @@ -59,18 +59,16 @@ func (h *Handle) initStatsMeta4Chunk(is infoschema.InfoSchema, cache *statsCache func (h *Handle) initStatsMeta(is infoschema.InfoSchema) (statsCache, error) { sql := "select HIGH_PRIORITY version, table_id, modify_count, count from mysql.stats_meta" - rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) - if len(rc) > 0 { - defer terror.Call(rc[0].Close) - } + rc, err := h.mu.ctx.(sqlexec.SQLExecutor).ExecuteInternal(context.TODO(), sql) if err != nil { return statsCache{}, errors.Trace(err) } + defer terror.Call(rc.Close) tables := statsCache{tables: make(map[int64]*statistics.Table)} - req := rc[0].NewChunk() + req := rc.NewChunk() iter := chunk.NewIterator4Chunk(req) for { - err := rc[0].Next(context.TODO(), req) + err := rc.Next(context.TODO(), req) if err != nil { return statsCache{}, errors.Trace(err) } @@ -159,17 +157,15 @@ func (h *Handle) initStatsHistograms4Chunk(is infoschema.InfoSchema, cache *stat func (h *Handle) initStatsHistograms(is infoschema.InfoSchema, cache *statsCache) error { sql := "select HIGH_PRIORITY table_id, is_index, hist_id, distinct_count, version, null_count, cm_sketch, tot_col_size, stats_ver, correlation, flag, last_analyze_pos from mysql.stats_histograms" - rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) - if len(rc) > 0 { - defer terror.Call(rc[0].Close) - } + rc, err := h.mu.ctx.(sqlexec.SQLExecutor).ExecuteInternal(context.TODO(), sql) if err != nil { return errors.Trace(err) } - req := rc[0].NewChunk() + defer terror.Call(rc.Close) + req := rc.NewChunk() iter := chunk.NewIterator4Chunk(req) for { - err := rc[0].Next(context.TODO(), req) + err := rc.Next(context.TODO(), req) if err != nil { return errors.Trace(err) } @@ -207,17 +203,15 @@ func (h *Handle) initStatsTopN4Chunk(cache *statsCache, iter *chunk.Iterator4Chu func (h *Handle) initStatsTopN(cache *statsCache) error { sql := "select HIGH_PRIORITY table_id, hist_id, value, count from mysql.stats_top_n where is_index = 1" - rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) - if len(rc) > 0 { - defer terror.Call(rc[0].Close) - } + rc, err := h.mu.ctx.(sqlexec.SQLExecutor).ExecuteInternal(context.TODO(), sql) if err != nil { return errors.Trace(err) } - req := rc[0].NewChunk() + defer terror.Call(rc.Close) + req := rc.NewChunk() iter := chunk.NewIterator4Chunk(req) for { - err := rc[0].Next(context.TODO(), req) + err := rc.Next(context.TODO(), req) if err != nil { return errors.Trace(err) } @@ -304,17 +298,15 @@ func (h *Handle) initTopNCountSum(tableID, colID int64) (int64, error) { func (h *Handle) initStatsBuckets(cache *statsCache) error { sql := "select HIGH_PRIORITY table_id, is_index, hist_id, count, repeats, lower_bound, upper_bound, ndv from mysql.stats_buckets order by table_id, is_index, hist_id, bucket_id" - rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) - if len(rc) > 0 { - defer terror.Call(rc[0].Close) - } + rc, err := h.mu.ctx.(sqlexec.SQLExecutor).ExecuteInternal(context.TODO(), sql) if err != nil { return errors.Trace(err) } - req := rc[0].NewChunk() + defer terror.Call(rc.Close) + req := rc.NewChunk() iter := chunk.NewIterator4Chunk(req) for { - err := rc[0].Next(context.TODO(), req) + err := rc.Next(context.TODO(), req) if err != nil { return errors.Trace(err) } @@ -347,13 +339,13 @@ func (h *Handle) initStatsBuckets(cache *statsCache) error { func (h *Handle) InitStats(is infoschema.InfoSchema) (err error) { h.mu.Lock() defer func() { - _, err1 := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), "commit") + _, err1 := h.mu.ctx.(sqlexec.SQLExecutor).ExecuteInternal(context.TODO(), "commit") if err == nil && err1 != nil { err = err1 } h.mu.Unlock() }() - _, err = h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), "begin") + _, err = h.mu.ctx.(sqlexec.SQLExecutor).ExecuteInternal(context.TODO(), "begin") if err != nil { return err } diff --git a/statistics/handle/ddl.go b/statistics/handle/ddl.go index 204f387b9e539..7140c7b2a8231 100644 --- a/statistics/handle/ddl.go +++ b/statistics/handle/ddl.go @@ -15,7 +15,6 @@ package handle import ( "context" - "fmt" "github.com/pingcap/errors" "github.com/pingcap/parser/model" @@ -93,28 +92,34 @@ func (h *Handle) DDLEventCh() chan *util.Event { func (h *Handle) insertTableStats2KV(info *model.TableInfo, physicalID int64) (err error) { h.mu.Lock() defer h.mu.Unlock() + ctx := context.Background() exec := h.mu.ctx.(sqlexec.SQLExecutor) - _, err = exec.Execute(context.Background(), "begin") + _, err = exec.ExecuteInternal(ctx, "begin") if err != nil { return errors.Trace(err) } defer func() { - err = finishTransaction(context.Background(), exec, err) + err = finishTransaction(ctx, exec, err) }() txn, err := h.mu.ctx.Txn(true) if err != nil { return errors.Trace(err) } startTS := txn.StartTS() - sqls := make([]string, 0, 1+len(info.Columns)+len(info.Indices)) - sqls = append(sqls, fmt.Sprintf("insert into mysql.stats_meta (version, table_id) values(%d, %d)", startTS, physicalID)) + if _, err := exec.ExecuteInternal(ctx, "insert into mysql.stats_meta (version, table_id) values(%?, %?)", startTS, physicalID); err != nil { + return err + } for _, col := range info.Columns { - sqls = append(sqls, fmt.Sprintf("insert into mysql.stats_histograms (table_id, is_index, hist_id, distinct_count, version) values(%d, 0, %d, 0, %d)", physicalID, col.ID, startTS)) + if _, err := exec.ExecuteInternal(ctx, "insert into mysql.stats_histograms (table_id, is_index, hist_id, distinct_count, version) values(%?, 0, %?, 0, %?)", physicalID, col.ID, startTS); err != nil { + return err + } } for _, idx := range info.Indices { - sqls = append(sqls, fmt.Sprintf("insert into mysql.stats_histograms (table_id, is_index, hist_id, distinct_count, version) values(%d, 1, %d, 0, %d)", physicalID, idx.ID, startTS)) + if _, err := exec.ExecuteInternal(ctx, "insert into mysql.stats_histograms (table_id, is_index, hist_id, distinct_count, version) values(%?, 1, %?, 0, %?)", physicalID, idx.ID, startTS); err != nil { + return err + } } - return execSQLs(context.Background(), exec, sqls) + return nil } // insertColStats2KV insert a record to stats_histograms with distinct_count 1 and insert a bucket to stats_buckets with default value. @@ -123,13 +128,14 @@ func (h *Handle) insertColStats2KV(physicalID int64, colInfos []*model.ColumnInf h.mu.Lock() defer h.mu.Unlock() + ctx := context.TODO() exec := h.mu.ctx.(sqlexec.SQLExecutor) - _, err = exec.Execute(context.Background(), "begin") + _, err = exec.ExecuteInternal(ctx, "begin") if err != nil { return errors.Trace(err) } defer func() { - err = finishTransaction(context.Background(), exec, err) + err = finishTransaction(ctx, exec, err) }() txn, err := h.mu.ctx.Txn(true) if err != nil { @@ -137,29 +143,25 @@ func (h *Handle) insertColStats2KV(physicalID int64, colInfos []*model.ColumnInf } startTS := txn.StartTS() // First of all, we update the version. - _, err = exec.Execute(context.Background(), fmt.Sprintf("update mysql.stats_meta set version = %d where table_id = %d ", startTS, physicalID)) + _, err = exec.ExecuteInternal(ctx, "update mysql.stats_meta set version = %? where table_id = %?", startTS, physicalID) if err != nil { return } - ctx := context.TODO() // If we didn't update anything by last SQL, it means the stats of this table does not exist. if h.mu.ctx.GetSessionVars().StmtCtx.AffectedRows() > 0 { // By this step we can get the count of this table, then we can sure the count and repeats of bucket. - var rs []sqlexec.RecordSet - rs, err = exec.Execute(ctx, fmt.Sprintf("select count from mysql.stats_meta where table_id = %d", physicalID)) - if len(rs) > 0 { - defer terror.Call(rs[0].Close) - } + var rs sqlexec.RecordSet + rs, err = exec.ExecuteInternal(ctx, "select count from mysql.stats_meta where table_id = %?", physicalID) if err != nil { return } - req := rs[0].NewChunk() - err = rs[0].Next(ctx, req) + defer terror.Call(rs.Close) + req := rs.NewChunk() + err = rs.Next(ctx, req) if err != nil { return } count := req.GetRow(0).GetInt64(0) - sqls := make([]string, 0, len(colInfos)) for _, colInfo := range colInfos { value := types.NewDatum(colInfo.GetOriginDefaultValue()) value, err = value.ConvertTo(h.mu.ctx.GetSessionVars().StmtCtx, &colInfo.FieldType) @@ -168,19 +170,24 @@ func (h *Handle) insertColStats2KV(physicalID int64, colInfos []*model.ColumnInf } if value.IsNull() { // If the adding column has default value null, all the existing rows have null value on the newly added column. - sqls = append(sqls, fmt.Sprintf("insert into mysql.stats_histograms (version, table_id, is_index, hist_id, distinct_count, null_count) values (%d, %d, 0, %d, 0, %d)", startTS, physicalID, colInfo.ID, count)) + if _, err := exec.ExecuteInternal(ctx, "insert into mysql.stats_histograms (version, table_id, is_index, hist_id, distinct_count, null_count) values (%?, %?, 0, %?, 0, %?)", startTS, physicalID, colInfo.ID, count); err != nil { + return err + } } else { // If this stats exists, we insert histogram meta first, the distinct_count will always be one. - sqls = append(sqls, fmt.Sprintf("insert into mysql.stats_histograms (version, table_id, is_index, hist_id, distinct_count, tot_col_size) values (%d, %d, 0, %d, 1, %d)", startTS, physicalID, colInfo.ID, int64(len(value.GetBytes()))*count)) + if _, err := exec.ExecuteInternal(ctx, "insert into mysql.stats_histograms (version, table_id, is_index, hist_id, distinct_count, tot_col_size) values (%?, %?, 0, %?, 1, %?)", startTS, physicalID, colInfo.ID, int64(len(value.GetBytes()))*count); err != nil { + return err + } value, err = value.ConvertTo(h.mu.ctx.GetSessionVars().StmtCtx, types.NewFieldType(mysql.TypeBlob)) if err != nil { return } // There must be only one bucket for this new column and the value is the default value. - sqls = append(sqls, fmt.Sprintf("insert into mysql.stats_buckets (table_id, is_index, hist_id, bucket_id, repeats, count, lower_bound, upper_bound) values (%d, 0, %d, 0, %d, %d, X'%X', X'%X')", physicalID, colInfo.ID, count, count, value.GetBytes(), value.GetBytes())) + if _, err := exec.ExecuteInternal(ctx, "insert into mysql.stats_buckets (table_id, is_index, hist_id, bucket_id, repeats, count, lower_bound, upper_bound) values (%?, 0, %?, 0, %?, %?, %?, %?)", physicalID, colInfo.ID, count, count, value.GetBytes(), value.GetBytes()); err != nil { + return err + } } } - return execSQLs(context.Background(), exec, sqls) } return } @@ -188,20 +195,10 @@ func (h *Handle) insertColStats2KV(physicalID int64, colInfos []*model.ColumnInf // finishTransaction will execute `commit` when error is nil, otherwise `rollback`. func finishTransaction(ctx context.Context, exec sqlexec.SQLExecutor, err error) error { if err == nil { - _, err = exec.Execute(ctx, "commit") + _, err = exec.ExecuteInternal(ctx, "commit") } else { - _, err1 := exec.Execute(ctx, "rollback") + _, err1 := exec.ExecuteInternal(ctx, "rollback") terror.Log(errors.Trace(err1)) } return errors.Trace(err) } - -func execSQLs(ctx context.Context, exec sqlexec.SQLExecutor, sqls []string) error { - for _, sql := range sqls { - _, err := exec.Execute(ctx, sql) - if err != nil { - return err - } - } - return nil -} diff --git a/statistics/handle/dump.go b/statistics/handle/dump.go index 7362f9fe15aa9..a43ce998290b4 100644 --- a/statistics/handle/dump.go +++ b/statistics/handle/dump.go @@ -20,6 +20,7 @@ import ( "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" "github.com/pingcap/tidb/infoschema" + "github.com/pingcap/tidb/sessionctx" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/statistics" @@ -111,9 +112,19 @@ func dumpJSONCol(hist *statistics.Histogram, CMSketch *statistics.CMSketch, topn // DumpStatsToJSON dumps statistic to json. func (h *Handle) DumpStatsToJSON(dbName string, tableInfo *model.TableInfo, historyStatsExec sqlexec.RestrictedSQLExecutor) (*JSONTable, error) { + var snapshot uint64 + if historyStatsExec != nil { + sctx := historyStatsExec.(sessionctx.Context) + snapshot = sctx.GetSessionVars().SnapshotTS + } + return h.DumpStatsToJSONBySnapshot(dbName, tableInfo, snapshot) +} + +// DumpStatsToJSONBySnapshot dumps statistic to json. +func (h *Handle) DumpStatsToJSONBySnapshot(dbName string, tableInfo *model.TableInfo, snapshot uint64) (*JSONTable, error) { pi := tableInfo.GetPartitionInfo() if pi == nil || h.CurrentPruneMode() == variable.DynamicOnly { - return h.tableStatsToJSON(dbName, tableInfo, tableInfo.ID, historyStatsExec) + return h.tableStatsToJSON(dbName, tableInfo, tableInfo.ID, snapshot) } jsonTbl := &JSONTable{ DatabaseName: dbName, @@ -121,7 +132,7 @@ func (h *Handle) DumpStatsToJSON(dbName string, tableInfo *model.TableInfo, hist Partitions: make(map[string]*JSONTable, len(pi.Definitions)), } for _, def := range pi.Definitions { - tbl, err := h.tableStatsToJSON(dbName, tableInfo, def.ID, historyStatsExec) + tbl, err := h.tableStatsToJSON(dbName, tableInfo, def.ID, snapshot) if err != nil { return nil, errors.Trace(err) } @@ -133,12 +144,12 @@ func (h *Handle) DumpStatsToJSON(dbName string, tableInfo *model.TableInfo, hist return jsonTbl, nil } -func (h *Handle) tableStatsToJSON(dbName string, tableInfo *model.TableInfo, physicalID int64, historyStatsExec sqlexec.RestrictedSQLExecutor) (*JSONTable, error) { - tbl, err := h.TableStatsFromStorage(tableInfo, physicalID, true, historyStatsExec) +func (h *Handle) tableStatsToJSON(dbName string, tableInfo *model.TableInfo, physicalID int64, snapshot uint64) (*JSONTable, error) { + tbl, err := h.TableStatsFromStorage(tableInfo, physicalID, true, snapshot) if err != nil || tbl == nil { return nil, err } - tbl.Version, tbl.ModifyCount, tbl.Count, err = h.statsMetaByTableIDFromStorage(physicalID, historyStatsExec) + tbl.Version, tbl.ModifyCount, tbl.Count, err = h.statsMetaByTableIDFromStorage(physicalID, snapshot) if err != nil { return nil, err } diff --git a/statistics/handle/dump_test.go b/statistics/handle/dump_test.go index b00f3a5777876..f750f9f3bf0f0 100644 --- a/statistics/handle/dump_test.go +++ b/statistics/handle/dump_test.go @@ -242,7 +242,7 @@ func (s *testStatsSuite) TestDumpVer2Stats(c *C) { tableInfo, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) c.Assert(err, IsNil) - storageTbl, err := h.TableStatsFromStorage(tableInfo.Meta(), tableInfo.Meta().ID, false, nil) + storageTbl, err := h.TableStatsFromStorage(tableInfo.Meta(), tableInfo.Meta().ID, false, 0) c.Assert(err, IsNil) dumpJSONTable, err := h.DumpStatsToJSON("test", tableInfo.Meta(), nil) diff --git a/statistics/handle/gc.go b/statistics/handle/gc.go index e4a3b620c141d..c665f244dc20a 100644 --- a/statistics/handle/gc.go +++ b/statistics/handle/gc.go @@ -16,7 +16,6 @@ package handle import ( "context" "encoding/json" - "fmt" "time" "github.com/cznic/mathutil" @@ -30,6 +29,7 @@ import ( // GCStats will garbage collect the useless stats info. For dropped tables, we will first update their version so that // other tidb could know that table is deleted. func (h *Handle) GCStats(is infoschema.InfoSchema, ddlLease time.Duration) error { + ctx := context.Background() // To make sure that all the deleted tables' schema and stats info have been acknowledged to all tidb, // we only garbage collect version before 10 lease. lease := mathutil.MaxInt64(int64(h.Lease()), int64(ddlLease)) @@ -38,8 +38,7 @@ func (h *Handle) GCStats(is infoschema.InfoSchema, ddlLease time.Duration) error return nil } gcVer := h.LastUpdateVersion() - offset - sql := fmt.Sprintf("select table_id from mysql.stats_meta where version < %d", gcVer) - rows, _, err := h.restrictedExec.ExecRestrictedSQL(sql) + rows, _, err := h.execRestrictedSQL(ctx, "select table_id from mysql.stats_meta where version < %?", gcVer) if err != nil { return errors.Trace(err) } @@ -52,17 +51,18 @@ func (h *Handle) GCStats(is infoschema.InfoSchema, ddlLease time.Duration) error } func (h *Handle) gcTableStats(is infoschema.InfoSchema, physicalID int64) error { - sql := fmt.Sprintf("select is_index, hist_id from mysql.stats_histograms where table_id = %d", physicalID) - rows, _, err := h.restrictedExec.ExecRestrictedSQL(sql) + ctx := context.Background() + rows, _, err := h.execRestrictedSQL(ctx, "select is_index, hist_id from mysql.stats_histograms where table_id = %?", physicalID) if err != nil { return errors.Trace(err) } // The table has already been deleted in stats and acknowledged to all tidb, // we can safely remove the meta info now. if len(rows) == 0 { - sql := fmt.Sprintf("delete from mysql.stats_meta where table_id = %d", physicalID) - _, _, err := h.restrictedExec.ExecRestrictedSQL(sql) - return errors.Trace(err) + _, _, err = h.execRestrictedSQL(ctx, "delete from mysql.stats_meta where table_id = %?", physicalID) + if err != nil { + return errors.Trace(err) + } } h.mu.Lock() tbl, ok := h.getTableByPhysicalID(is, physicalID) @@ -96,8 +96,7 @@ func (h *Handle) gcTableStats(is infoschema.InfoSchema, physicalID int64) error } } // Mark records in mysql.stats_extended as `deleted`. - sql = fmt.Sprintf("select name, column_ids from mysql.stats_extended where table_id = %d and status in (%d, %d)", physicalID, StatsStatusAnalyzed, StatsStatusInited) - rows, _, err = h.restrictedExec.ExecRestrictedSQL(sql) + rows, _, err = h.execRestrictedSQL(ctx, "select name, column_ids from mysql.stats_extended where table_id = %? and status in (%?, %?)", physicalID, StatsStatusAnalyzed, StatsStatusInited) if err != nil { return errors.Trace(err) } @@ -138,29 +137,37 @@ func (h *Handle) deleteHistStatsFromKV(physicalID int64, histID int64, isIndex i h.mu.Lock() defer h.mu.Unlock() + ctx := context.Background() exec := h.mu.ctx.(sqlexec.SQLExecutor) - _, err = exec.Execute(context.Background(), "begin") + _, err = exec.ExecuteInternal(ctx, "begin") if err != nil { return errors.Trace(err) } defer func() { - err = finishTransaction(context.Background(), exec, err) + err = finishTransaction(ctx, exec, err) }() txn, err := h.mu.ctx.Txn(true) if err != nil { return errors.Trace(err) } startTS := txn.StartTS() - sqls := make([]string, 0, 4) // First of all, we update the version. If this table doesn't exist, it won't have any problem. Because we cannot delete anything. - sqls = append(sqls, fmt.Sprintf("update mysql.stats_meta set version = %d where table_id = %d ", startTS, physicalID)) + if _, err = exec.ExecuteInternal(ctx, "update mysql.stats_meta set version = %? where table_id = %? ", startTS, physicalID); err != nil { + return err + } // delete histogram meta - sqls = append(sqls, fmt.Sprintf("delete from mysql.stats_histograms where table_id = %d and hist_id = %d and is_index = %d", physicalID, histID, isIndex)) + if _, err = exec.ExecuteInternal(ctx, "delete from mysql.stats_histograms where table_id = %? and hist_id = %? and is_index = %?", physicalID, histID, isIndex); err != nil { + return err + } // delete top n data - sqls = append(sqls, fmt.Sprintf("delete from mysql.stats_top_n where table_id = %d and hist_id = %d and is_index = %d", physicalID, histID, isIndex)) + if _, err = exec.ExecuteInternal(ctx, "delete from mysql.stats_top_n where table_id = %? and hist_id = %? and is_index = %?", physicalID, histID, isIndex); err != nil { + return err + } // delete all buckets - sqls = append(sqls, fmt.Sprintf("delete from mysql.stats_buckets where table_id = %d and hist_id = %d and is_index = %d", physicalID, histID, isIndex)) - return execSQLs(context.Background(), exec, sqls) + if _, err = exec.ExecuteInternal(ctx, "delete from mysql.stats_buckets where table_id = %? and hist_id = %? and is_index = %?", physicalID, histID, isIndex); err != nil { + return err + } + return nil } // DeleteTableStatsFromKV deletes table statistics from kv. @@ -168,7 +175,7 @@ func (h *Handle) DeleteTableStatsFromKV(physicalID int64) (err error) { h.mu.Lock() defer h.mu.Unlock() exec := h.mu.ctx.(sqlexec.SQLExecutor) - _, err = exec.Execute(context.Background(), "begin") + _, err = exec.ExecuteInternal(context.Background(), "begin") if err != nil { return errors.Trace(err) } @@ -179,16 +186,28 @@ func (h *Handle) DeleteTableStatsFromKV(physicalID int64) (err error) { if err != nil { return errors.Trace(err) } + ctx := context.Background() startTS := txn.StartTS() - sqls := make([]string, 0, 5) // We only update the version so that other tidb will know that this table is deleted. - sqls = append(sqls, fmt.Sprintf("update mysql.stats_meta set version = %d where table_id = %d ", startTS, physicalID)) - sqls = append(sqls, fmt.Sprintf("delete from mysql.stats_histograms where table_id = %d", physicalID)) - sqls = append(sqls, fmt.Sprintf("delete from mysql.stats_buckets where table_id = %d", physicalID)) - sqls = append(sqls, fmt.Sprintf("delete from mysql.stats_top_n where table_id = %d", physicalID)) - sqls = append(sqls, fmt.Sprintf("delete from mysql.stats_feedback where table_id = %d", physicalID)) - sqls = append(sqls, fmt.Sprintf("update mysql.stats_extended set version = %d, status = %d where table_id = %d and status in (%d, %d)", startTS, StatsStatusDeleted, physicalID, StatsStatusAnalyzed, StatsStatusInited)) - return execSQLs(context.Background(), exec, sqls) + if _, err = exec.ExecuteInternal(ctx, "update mysql.stats_meta set version = %? where table_id = %? ", startTS, physicalID); err != nil { + return err + } + if _, err = exec.ExecuteInternal(ctx, "delete from mysql.stats_histograms where table_id = %?", physicalID); err != nil { + return err + } + if _, err = exec.ExecuteInternal(ctx, "delete from mysql.stats_buckets where table_id = %?", physicalID); err != nil { + return err + } + if _, err = exec.ExecuteInternal(ctx, "delete from mysql.stats_top_n where table_id = %?", physicalID); err != nil { + return err + } + if _, err = exec.ExecuteInternal(ctx, "delete from mysql.stats_feedback where table_id = %?", physicalID); err != nil { + return err + } + if _, err = exec.ExecuteInternal(ctx, "update mysql.stats_extended set version = %?, status = %? where table_id = %? and status in (%?, %?)", startTS, StatsStatusDeleted, physicalID, StatsStatusAnalyzed, StatsStatusInited); err != nil { + return err + } + return nil } func (h *Handle) removeDeletedExtendedStats(version uint64) (err error) { @@ -196,14 +215,14 @@ func (h *Handle) removeDeletedExtendedStats(version uint64) (err error) { defer h.mu.Unlock() exec := h.mu.ctx.(sqlexec.SQLExecutor) ctx := context.Background() - _, err = exec.Execute(ctx, "begin pessimistic") + _, err = exec.ExecuteInternal(ctx, "begin pessimistic") if err != nil { return errors.Trace(err) } defer func() { err = finishTransaction(ctx, exec, err) }() - sql := fmt.Sprintf("delete from mysql.stats_extended where status = %d and version < %d", StatsStatusDeleted, version) - _, err = exec.Execute(ctx, sql) + const sql = "delete from mysql.stats_extended where status = %? and version < %?" + _, err = exec.ExecuteInternal(ctx, sql, StatsStatusDeleted, version) return } diff --git a/statistics/handle/handle.go b/statistics/handle/handle.go index fd1d06e73b0ae..98858c853ba93 100644 --- a/statistics/handle/handle.go +++ b/statistics/handle/handle.go @@ -23,12 +23,12 @@ import ( "time" "github.com/cznic/mathutil" + "github.com/ngaut/pools" "github.com/pingcap/errors" "github.com/pingcap/failpoint" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/model" "github.com/pingcap/parser/mysql" - "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/ddl/util" "github.com/pingcap/tidb/infoschema" "github.com/pingcap/tidb/kv" @@ -76,7 +76,7 @@ type Handle struct { memTracker *memory.Tracker } - restrictedExec sqlexec.RestrictedSQLExecutor + pool sessionPool // ddlEventCh is a channel to notify a ddl operation has happened. // It is sent only by owner or the drop stats executor, and read by stats handle. @@ -94,6 +94,37 @@ type Handle struct { idxUsageListHead *SessionIndexUsageCollector } +func (h *Handle) withRestrictedSQLExecutor(ctx context.Context, fn func(context.Context, sqlexec.RestrictedSQLExecutor) ([]chunk.Row, []*ast.ResultField, error)) ([]chunk.Row, []*ast.ResultField, error) { + se, err := h.pool.Get() + if err != nil { + return nil, nil, errors.Trace(err) + } + defer h.pool.Put(se) + + exec := se.(sqlexec.RestrictedSQLExecutor) + return fn(ctx, exec) +} + +func (h *Handle) execRestrictedSQL(ctx context.Context, sql string, params ...interface{}) ([]chunk.Row, []*ast.ResultField, error) { + return h.withRestrictedSQLExecutor(ctx, func(ctx context.Context, exec sqlexec.RestrictedSQLExecutor) ([]chunk.Row, []*ast.ResultField, error) { + stmt, err := exec.ParseWithParams(ctx, sql, params...) + if err != nil { + return nil, nil, errors.Trace(err) + } + return exec.ExecRestrictedStmt(ctx, stmt) + }) +} + +func (h *Handle) execRestrictedSQLWithSnapshot(ctx context.Context, sql string, snapshot uint64, params ...interface{}) ([]chunk.Row, []*ast.ResultField, error) { + return h.withRestrictedSQLExecutor(ctx, func(ctx context.Context, exec sqlexec.RestrictedSQLExecutor) ([]chunk.Row, []*ast.ResultField, error) { + stmt, err := exec.ParseWithParams(ctx, sql, params...) + if err != nil { + return nil, nil, errors.Trace(err) + } + return exec.ExecRestrictedStmt(ctx, stmt, sqlexec.ExecOptionWithSnapshot(snapshot)) + }) +} + // Clear the statsCache, only for test. func (h *Handle) Clear() { h.mu.Lock() @@ -115,20 +146,23 @@ func (h *Handle) Clear() { h.mu.Unlock() } +type sessionPool interface { + Get() (pools.Resource, error) + Put(pools.Resource) +} + // NewHandle creates a Handle for update stats. -func NewHandle(ctx sessionctx.Context, lease time.Duration) (*Handle, error) { +func NewHandle(ctx sessionctx.Context, lease time.Duration, pool sessionPool) (*Handle, error) { handle := &Handle{ ddlEventCh: make(chan *util.Event, 100), listHead: &SessionStatsCollector{mapper: make(tableDeltaMap), rateMap: make(errorRateDeltaMap)}, globalMap: make(tableDeltaMap), feedback: statistics.NewQueryFeedbackMap(), idxUsageListHead: &SessionIndexUsageCollector{mapper: make(indexUsageMap)}, + pool: pool, } handle.lease.Store(lease) - // It is safe to use it concurrently because the exec won't touch the ctx. - if exec, ok := ctx.(sqlexec.RestrictedSQLExecutor); ok { - handle.restrictedExec = exec - } + handle.pool = pool handle.statsCache.memTracker = memory.NewTracker(memory.LabelForStatsCache, -1) handle.mu.ctx = ctx handle.mu.rateMap = make(errorRateDeltaMap) @@ -178,8 +212,8 @@ func (h *Handle) Update(is infoschema.InfoSchema) error { } else { lastVersion = 0 } - sql := fmt.Sprintf("SELECT version, table_id, modify_count, count from mysql.stats_meta where version > %d order by version", lastVersion) - rows, _, err := h.restrictedExec.ExecRestrictedSQL(sql) + ctx := context.Background() + rows, _, err := h.execRestrictedSQL(ctx, "SELECT version, table_id, modify_count, count from mysql.stats_meta where version > %? order by version", lastVersion) if err != nil { return errors.Trace(err) } @@ -201,7 +235,7 @@ func (h *Handle) Update(is infoschema.InfoSchema) error { continue } tableInfo := table.Meta() - tbl, err := h.TableStatsFromStorage(tableInfo, physicalID, false, nil) + tbl, err := h.TableStatsFromStorage(tableInfo, physicalID, false, 0) // Error is not nil may mean that there are some ddl changes on this table, we will not update it. if err != nil { logutil.BgLogger().Error("[stats] error occurred when read table stats", zap.String("table", tableInfo.Name.O), zap.Error(err)) @@ -328,7 +362,7 @@ func (sc statsCache) update(tables []*statistics.Table, deletedIDs []int64, newV // LoadNeededHistograms will load histograms for those needed columns. func (h *Handle) LoadNeededHistograms() (err error) { cols := statistics.HistogramNeededColumns.AllCols() - reader, err := h.getStatsReader(nil) + reader, err := h.getStatsReader(0) if err != nil { return err } @@ -360,8 +394,7 @@ func (h *Handle) LoadNeededHistograms() (err error) { if err != nil { return errors.Trace(err) } - selSQL := fmt.Sprintf("select stats_ver from mysql.stats_histograms where is_index = 0 and table_id = %d and hist_id = %d", col.TableID, col.ColumnID) - rows, _, err := reader.read(selSQL) + rows, _, err := reader.read("select stats_ver from mysql.stats_histograms where is_index = 0 and table_id = %? and hist_id = %?", col.TableID, col.ColumnID) if err != nil { return errors.Trace(err) } @@ -413,13 +446,11 @@ func (h *Handle) FlushStats() { } func (h *Handle) cmSketchAndTopNFromStorage(reader *statsReader, tblID int64, isIndex, histID int64) (_ *statistics.CMSketch, _ *statistics.TopN, err error) { - selSQL := fmt.Sprintf("select cm_sketch from mysql.stats_histograms where table_id = %d and is_index = %d and hist_id = %d", tblID, isIndex, histID) - rows, _, err := reader.read(selSQL) + rows, _, err := reader.read("select cm_sketch from mysql.stats_histograms where table_id = %? and is_index = %? and hist_id = %?", tblID, isIndex, histID) if err != nil || len(rows) == 0 { return nil, nil, err } - selSQL = fmt.Sprintf("select HIGH_PRIORITY value, count from mysql.stats_top_n where table_id = %d and is_index = %d and hist_id = %d", tblID, isIndex, histID) - topNRows, _, err := reader.read(selSQL) + topNRows, _, err := reader.read("select HIGH_PRIORITY value, count from mysql.stats_top_n where table_id = %? and is_index = %? and hist_id = %?", tblID, isIndex, histID) if err != nil { return nil, nil, err } @@ -559,8 +590,8 @@ func (h *Handle) columnStatsFromStorage(reader *statsReader, row chunk.Row, tabl } // TableStatsFromStorage loads table stats info from storage. -func (h *Handle) TableStatsFromStorage(tableInfo *model.TableInfo, physicalID int64, loadAll bool, historyStatsExec sqlexec.RestrictedSQLExecutor) (_ *statistics.Table, err error) { - reader, err := h.getStatsReader(historyStatsExec) +func (h *Handle) TableStatsFromStorage(tableInfo *model.TableInfo, physicalID int64, loadAll bool, snapshot uint64) (_ *statistics.Table, err error) { + reader, err := h.getStatsReader(snapshot) if err != nil { return nil, err } @@ -573,7 +604,7 @@ func (h *Handle) TableStatsFromStorage(tableInfo *model.TableInfo, physicalID in table, ok := h.statsCache.Load().(statsCache).tables[physicalID] // If table stats is pseudo, we also need to copy it, since we will use the column stats when // the average error rate of it is small. - if !ok || historyStatsExec != nil { + if !ok || snapshot > 0 { histColl := statistics.HistColl{ PhysicalID: physicalID, HavePhysicalID: true, @@ -588,8 +619,7 @@ func (h *Handle) TableStatsFromStorage(tableInfo *model.TableInfo, physicalID in table = table.Copy() } table.Pseudo = false - selSQL := fmt.Sprintf("select table_id, is_index, hist_id, distinct_count, version, null_count, tot_col_size, stats_ver, flag, correlation, last_analyze_pos from mysql.stats_histograms where table_id = %d", physicalID) - rows, _, err := reader.read(selSQL) + rows, _, err := reader.read("select table_id, is_index, hist_id, distinct_count, version, null_count, tot_col_size, stats_ver, flag, correlation, last_analyze_pos from mysql.stats_histograms where table_id = %?", physicalID) // Check deleted table. if err != nil || len(rows) == 0 { return nil, nil @@ -614,8 +644,7 @@ func (h *Handle) extendedStatsFromStorage(reader *statsReader, table *statistics } else { table.ExtendedStats = statistics.NewExtendedStatsColl() } - sql := fmt.Sprintf("select name, status, type, column_ids, stats, version from mysql.stats_extended where table_id = %d and status in (%d, %d) and version > %d", physicalID, StatsStatusAnalyzed, StatsStatusDeleted, lastVersion) - rows, _, err := reader.read(sql) + rows, _, err := reader.read("select name, status, type, column_ids, stats, version from mysql.stats_extended where table_id = %? and status in (%?, %?) and version > %?", physicalID, StatsStatusAnalyzed, StatsStatusDeleted, lastVersion) if err != nil || len(rows) == 0 { return table, nil } @@ -660,7 +689,7 @@ func (h *Handle) SaveStatsToStorage(tableID int64, count int64, isIndex int, hg defer h.mu.Unlock() ctx := context.TODO() exec := h.mu.ctx.(sqlexec.SQLExecutor) - _, err = exec.Execute(ctx, "begin") + _, err = exec.ExecuteInternal(ctx, "begin") if err != nil { return errors.Trace(err) } @@ -673,31 +702,41 @@ func (h *Handle) SaveStatsToStorage(tableID int64, count int64, isIndex int, hg } version := txn.StartTS() - sqls := make([]string, 0, 4) // If the count is less than 0, then we do not want to update the modify count and count. if count >= 0 { - sqls = append(sqls, fmt.Sprintf("replace into mysql.stats_meta (version, table_id, count) values (%d, %d, %d)", version, tableID, count)) + _, err = exec.ExecuteInternal(ctx, "replace into mysql.stats_meta (version, table_id, count) values (%?, %?, %?)", version, tableID, count) } else { - sqls = append(sqls, fmt.Sprintf("update mysql.stats_meta set version = %d where table_id = %d", version, tableID)) + _, err = exec.ExecuteInternal(ctx, "update mysql.stats_meta set version = %? where table_id = %?", version, tableID) + } + if err != nil { + return err } data, err := statistics.EncodeCMSketchWithoutTopN(cms) if err != nil { - return + return err } // Delete outdated data - sqls = append(sqls, fmt.Sprintf("delete from mysql.stats_top_n where table_id = %d and is_index = %d and hist_id = %d", tableID, isIndex, hg.ID)) + if _, err = exec.ExecuteInternal(ctx, "delete from mysql.stats_top_n where table_id = %? and is_index = %? and hist_id = %?", tableID, isIndex, hg.ID); err != nil { + return err + } if topN != nil { for _, meta := range topN.TopN { - sqls = append(sqls, fmt.Sprintf("insert into mysql.stats_top_n (table_id, is_index, hist_id, value, count) values (%d, %d, %d, X'%X', %d)", tableID, isIndex, hg.ID, meta.Encoded, meta.Count)) + if _, err = exec.ExecuteInternal(ctx, "insert into mysql.stats_top_n (table_id, is_index, hist_id, value, count) values (%?, %?, %?, %?, %?)", tableID, isIndex, hg.ID, meta.Encoded, meta.Count); err != nil { + return err + } } } flag := 0 if isAnalyzed == 1 { flag = statistics.AnalyzeFlag } - sqls = append(sqls, fmt.Sprintf("replace into mysql.stats_histograms (table_id, is_index, hist_id, distinct_count, version, null_count, cm_sketch, tot_col_size, stats_ver, flag, correlation) values (%d, %d, %d, %d, %d, %d, X'%X', %d, %d, %d, %f)", - tableID, isIndex, hg.ID, hg.NDV, version, hg.NullCount, data, hg.TotColSize, statsVersion, flag, hg.Correlation)) - sqls = append(sqls, fmt.Sprintf("delete from mysql.stats_buckets where table_id = %d and is_index = %d and hist_id = %d", tableID, isIndex, hg.ID)) + if _, err = exec.ExecuteInternal(ctx, "replace into mysql.stats_histograms (table_id, is_index, hist_id, distinct_count, version, null_count, cm_sketch, tot_col_size, stats_ver, flag, correlation) values (%?, %?, %?, %?, %?, %?, %?, %?, %?, %?, %?)", + tableID, isIndex, hg.ID, hg.NDV, version, hg.NullCount, data, hg.TotColSize, statsVersion, flag, hg.Correlation); err != nil { + return err + } + if _, err = exec.ExecuteInternal(ctx, "delete from mysql.stats_buckets where table_id = %? and is_index = %? and hist_id = %?", tableID, isIndex, hg.ID); err != nil { + return err + } sc := h.mu.ctx.GetSessionVars().StmtCtx var lastAnalyzePos []byte for i := range hg.Buckets { @@ -718,12 +757,16 @@ func (h *Handle) SaveStatsToStorage(tableID int64, count int64, isIndex int, hg if err != nil { return } - sqls = append(sqls, fmt.Sprintf("insert into mysql.stats_buckets(table_id, is_index, hist_id, bucket_id, count, repeats, lower_bound, upper_bound, ndv) values(%d, %d, %d, %d, %d, %d, X'%X', X'%X', %d)", tableID, isIndex, hg.ID, i, count, hg.Buckets[i].Repeat, lowerBound.GetBytes(), upperBound.GetBytes(), hg.Buckets[i].NDV)) + if _, err = exec.ExecuteInternal(ctx, "insert into mysql.stats_buckets(table_id, is_index, hist_id, bucket_id, count, repeats, lower_bound, upper_bound, ndv) values(%?, %?, %?, %?, %?, %?, %?, %?, %?)", tableID, isIndex, hg.ID, i, count, hg.Buckets[i].Repeat, lowerBound.GetBytes(), upperBound.GetBytes(), hg.Buckets[i].NDV); err != nil { + return err + } } if isAnalyzed == 1 && len(lastAnalyzePos) > 0 { - sqls = append(sqls, fmt.Sprintf("update mysql.stats_histograms set last_analyze_pos = X'%X' where table_id = %d and is_index = %d and hist_id = %d", lastAnalyzePos, tableID, isIndex, hg.ID)) + if _, err = exec.ExecuteInternal(ctx, "update mysql.stats_histograms set last_analyze_pos = %? where table_id = %? and is_index = %? and hist_id = %?", lastAnalyzePos, tableID, isIndex, hg.ID); err != nil { + return err + } } - return execSQLs(context.Background(), exec, sqls) + return } // SaveMetaToStorage will save stats_meta to storage. @@ -732,7 +775,7 @@ func (h *Handle) SaveMetaToStorage(tableID, count, modifyCount int64) (err error defer h.mu.Unlock() ctx := context.TODO() exec := h.mu.ctx.(sqlexec.SQLExecutor) - _, err = exec.Execute(ctx, "begin") + _, err = exec.ExecuteInternal(ctx, "begin") if err != nil { return errors.Trace(err) } @@ -743,16 +786,13 @@ func (h *Handle) SaveMetaToStorage(tableID, count, modifyCount int64) (err error if err != nil { return errors.Trace(err) } - var sql string version := txn.StartTS() - sql = fmt.Sprintf("replace into mysql.stats_meta (version, table_id, count, modify_count) values (%d, %d, %d, %d)", version, tableID, count, modifyCount) - _, err = exec.Execute(ctx, sql) - return + _, err = exec.ExecuteInternal(ctx, "replace into mysql.stats_meta (version, table_id, count, modify_count) values (%?, %?, %?, %?)", version, tableID, count, modifyCount) + return err } func (h *Handle) histogramFromStorage(reader *statsReader, tableID int64, colID int64, tp *types.FieldType, distinct int64, isIndex int, ver uint64, nullCount int64, totColSize int64, corr float64) (_ *statistics.Histogram, err error) { - selSQL := fmt.Sprintf("select count, repeats, lower_bound, upper_bound, ndv from mysql.stats_buckets where table_id = %d and is_index = %d and hist_id = %d order by bucket_id", tableID, isIndex, colID) - rows, fields, err := reader.read(selSQL) + rows, fields, err := reader.read("select count, repeats, lower_bound, upper_bound, ndv from mysql.stats_buckets where table_id = %? and is_index = %? and hist_id = %? order by bucket_id", tableID, isIndex, colID) if err != nil { return nil, errors.Trace(err) } @@ -788,8 +828,7 @@ func (h *Handle) histogramFromStorage(reader *statsReader, tableID int64, colID } func (h *Handle) columnCountFromStorage(reader *statsReader, tableID, colID, statsVer int64) (int64, error) { - selSQL := fmt.Sprintf("select sum(count) from mysql.stats_buckets where table_id = %d and is_index = 0 and hist_id = %d", tableID, colID) - rows, _, err := reader.read(selSQL) + rows, _, err := reader.read("select sum(count) from mysql.stats_buckets where table_id = %? and is_index = 0 and hist_id = %?", tableID, colID) if err != nil { return 0, errors.Trace(err) } @@ -804,8 +843,7 @@ func (h *Handle) columnCountFromStorage(reader *statsReader, tableID, colID, sta // Before stats ver 2, histogram represents all data in this column. // In stats ver 2, histogram + TopN represent all data in this column. // So we need to add TopN total count here. - selSQL = fmt.Sprintf("select sum(count) from mysql.stats_top_n where table_id = %d and is_index = 0 and hist_id = %d", tableID, colID) - rows, _, err = reader.read(selSQL) + rows, _, err = reader.read("select sum(count) from mysql.stats_top_n where table_id = %? and is_index = 0 and hist_id = %?", tableID, colID) if err != nil { return 0, errors.Trace(err) } @@ -820,13 +858,16 @@ func (h *Handle) columnCountFromStorage(reader *statsReader, tableID, colID, sta return count, err } -func (h *Handle) statsMetaByTableIDFromStorage(tableID int64, historyStatsExec sqlexec.RestrictedSQLExecutor) (version uint64, modifyCount, count int64, err error) { - selSQL := fmt.Sprintf("SELECT version, modify_count, count from mysql.stats_meta where table_id = %d order by version", tableID) +func (h *Handle) statsMetaByTableIDFromStorage(tableID int64, snapshot uint64) (version uint64, modifyCount, count int64, err error) { + ctx := context.Background() var rows []chunk.Row - if historyStatsExec == nil { - rows, _, err = h.restrictedExec.ExecRestrictedSQL(selSQL) + if snapshot == 0 { + rows, _, err = h.execRestrictedSQL(ctx, "SELECT version, modify_count, count from mysql.stats_meta where table_id = %? order by version", tableID) } else { - rows, _, err = historyStatsExec.ExecRestrictedSQLWithSnapshot(selSQL) + rows, _, err = h.execRestrictedSQLWithSnapshot(ctx, "SELECT version, modify_count, count from mysql.stats_meta where table_id = %? order by version", snapshot, tableID) + if err != nil { + return 0, 0, 0, err + } } if err != nil || len(rows) == 0 { return @@ -840,49 +881,34 @@ func (h *Handle) statsMetaByTableIDFromStorage(tableID int64, historyStatsExec s // statsReader is used for simplify code that needs to read system tables in different sqls // but requires the same transactions. type statsReader struct { - ctx sessionctx.Context - history sqlexec.RestrictedSQLExecutor + ctx sqlexec.RestrictedSQLExecutor + snapshot uint64 } -func (sr *statsReader) read(sql string) (rows []chunk.Row, fields []*ast.ResultField, err error) { - if sr.history != nil { - return sr.history.ExecRestrictedSQLWithSnapshot(sql) - } - rc, err := sr.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) - if len(rc) > 0 { - defer terror.Call(rc[0].Close) - } +func (sr *statsReader) read(sql string, args ...interface{}) (rows []chunk.Row, fields []*ast.ResultField, err error) { + ctx := context.TODO() + stmt, err := sr.ctx.ParseWithParams(ctx, sql, args...) if err != nil { - return nil, nil, err + return nil, nil, errors.Trace(err) } - for { - req := rc[0].NewChunk() - err := rc[0].Next(context.TODO(), req) - if err != nil { - return nil, nil, err - } - if req.NumRows() == 0 { - break - } - for i := 0; i < req.NumRows(); i++ { - rows = append(rows, req.GetRow(i)) - } + if sr.snapshot > 0 { + return sr.ctx.ExecRestrictedStmt(ctx, stmt, sqlexec.ExecOptionWithSnapshot(sr.snapshot)) } - return rows, rc[0].Fields(), nil + return sr.ctx.ExecRestrictedStmt(ctx, stmt) } func (sr *statsReader) isHistory() bool { - return sr.history != nil + return sr.snapshot > 0 } -func (h *Handle) getStatsReader(history sqlexec.RestrictedSQLExecutor) (reader *statsReader, err error) { +func (h *Handle) getStatsReader(snapshot uint64) (reader *statsReader, err error) { failpoint.Inject("mockGetStatsReaderFail", func(val failpoint.Value) { if val.(bool) { failpoint.Return(nil, errors.New("gofail genStatsReader error")) } }) - if history != nil { - return &statsReader{history: history}, nil + if snapshot > 0 { + return &statsReader{ctx: h.mu.ctx.(sqlexec.RestrictedSQLExecutor), snapshot: snapshot}, nil } h.mu.Lock() defer func() { @@ -894,18 +920,18 @@ func (h *Handle) getStatsReader(history sqlexec.RestrictedSQLExecutor) (reader * } }() failpoint.Inject("mockGetStatsReaderPanic", nil) - _, err = h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), "begin") + _, err = h.mu.ctx.(sqlexec.SQLExecutor).ExecuteInternal(context.TODO(), "begin") if err != nil { return nil, err } - return &statsReader{ctx: h.mu.ctx}, nil + return &statsReader{ctx: h.mu.ctx.(sqlexec.RestrictedSQLExecutor)}, nil } func (h *Handle) releaseStatsReader(reader *statsReader) error { - if reader.history != nil { + if reader.snapshot > 0 { return nil } - _, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), "commit") + _, err := h.mu.ctx.(sqlexec.SQLExecutor).ExecuteInternal(context.TODO(), "commit") h.mu.Unlock() return err } @@ -930,7 +956,7 @@ func (h *Handle) InsertExtendedStats(statsName string, colIDs []int64, tp int, t defer h.mu.Unlock() ctx := context.TODO() exec := h.mu.ctx.(sqlexec.SQLExecutor) - _, err = exec.Execute(ctx, "begin pessimistic") + _, err = exec.ExecuteInternal(ctx, "begin pessimistic") if err != nil { return errors.Trace(err) } @@ -942,8 +968,8 @@ func (h *Handle) InsertExtendedStats(statsName string, colIDs []int64, tp int, t return errors.Trace(err) } version := txn.StartTS() - sql := fmt.Sprintf("INSERT INTO mysql.stats_extended(name, type, table_id, column_ids, version, status) VALUES ('%s', %d, %d, '%s', %d, %d)", statsName, tp, tableID, strColIDs, version, StatsStatusInited) - _, err = exec.Execute(ctx, sql) + const sql = "INSERT INTO mysql.stats_extended(name, type, table_id, column_ids, version, status) VALUES (%?, %?, %?, %?, %?, %?)" + _, err = exec.ExecuteInternal(ctx, sql, statsName, tp, tableID, strColIDs, version, StatsStatusInited) // Key exists, but `if not exists` is specified, so we ignore this error. if kv.ErrKeyExists.Equal(err) && ifNotExists { err = nil @@ -953,8 +979,8 @@ func (h *Handle) InsertExtendedStats(statsName string, colIDs []int64, tp int, t // MarkExtendedStatsDeleted update the status of mysql.stats_extended to be `deleted` and the version of mysql.stats_meta. func (h *Handle) MarkExtendedStatsDeleted(statsName string, tableID int64, ifExists bool) (err error) { - sql := fmt.Sprintf("SELECT name FROM mysql.stats_extended WHERE name = '%s' and table_id = %d", statsName, tableID) - rows, _, err := h.restrictedExec.ExecRestrictedSQL(sql) + ctx := context.Background() + rows, _, err := h.execRestrictedSQL(ctx, "SELECT name FROM mysql.stats_extended WHERE name = %? and table_id = %?", statsName, tableID) if err != nil { return errors.Trace(err) } @@ -967,9 +993,8 @@ func (h *Handle) MarkExtendedStatsDeleted(statsName string, tableID int64, ifExi h.mu.Lock() defer h.mu.Unlock() - ctx := context.TODO() exec := h.mu.ctx.(sqlexec.SQLExecutor) - _, err = exec.Execute(ctx, "begin pessimistic") + _, err = exec.ExecuteInternal(ctx, "begin pessimistic") if err != nil { return errors.Trace(err) } @@ -981,15 +1006,18 @@ func (h *Handle) MarkExtendedStatsDeleted(statsName string, tableID int64, ifExi return errors.Trace(err) } version := txn.StartTS() - sqls := make([]string, 2) - sqls[0] = fmt.Sprintf("UPDATE mysql.stats_extended SET version = %d, status = %d WHERE name = '%s' and table_id = %d", version, StatsStatusDeleted, statsName, tableID) - sqls[1] = fmt.Sprintf("UPDATE mysql.stats_meta SET version = %d WHERE table_id = %d", version, tableID) - return execSQLs(ctx, exec, sqls) + if _, err = exec.ExecuteInternal(ctx, "UPDATE mysql.stats_extended SET version = %?, status = %? WHERE name = %? and table_id = %?", version, StatsStatusDeleted, statsName, tableID); err != nil { + return err + } + if _, err = exec.ExecuteInternal(ctx, "UPDATE mysql.stats_meta SET version = %? WHERE table_id = %?", version, tableID); err != nil { + return err + } + return nil } // ReloadExtendedStatistics drops the cache for extended statistics and reload data from mysql.stats_extended. func (h *Handle) ReloadExtendedStatistics() error { - reader, err := h.getStatsReader(nil) + reader, err := h.getStatsReader(0) if err != nil { return err } @@ -1013,8 +1041,9 @@ func (h *Handle) ReloadExtendedStatistics() error { // BuildExtendedStats build extended stats for column groups if needed based on the column samples. func (h *Handle) BuildExtendedStats(tableID int64, cols []*model.ColumnInfo, collectors []*statistics.SampleCollector) (*statistics.ExtendedStatsColl, error) { - sql := fmt.Sprintf("SELECT name, type, column_ids FROM mysql.stats_extended WHERE table_id = %d and status in (%d, %d)", tableID, StatsStatusAnalyzed, StatsStatusInited) - rows, _, err := h.restrictedExec.ExecRestrictedSQL(sql) + ctx := context.Background() + const sql = "SELECT name, type, column_ids FROM mysql.stats_extended WHERE table_id = %? and status in (%?, %?)" + rows, _, err := h.execRestrictedSQL(ctx, sql, tableID, StatsStatusAnalyzed, StatsStatusInited) if err != nil { return nil, errors.Trace(err) } @@ -1125,7 +1154,7 @@ func (h *Handle) SaveExtendedStatsToStorage(tableID int64, extStats *statistics. defer h.mu.Unlock() ctx := context.TODO() exec := h.mu.ctx.(sqlexec.SQLExecutor) - _, err = exec.Execute(ctx, "begin pessimistic") + _, err = exec.ExecuteInternal(ctx, "begin pessimistic") if err != nil { return errors.Trace(err) } @@ -1137,7 +1166,6 @@ func (h *Handle) SaveExtendedStatsToStorage(tableID int64, extStats *statistics. return errors.Trace(err) } version := txn.StartTS() - sqls := make([]string, 0, 1+len(extStats.Stats)) for name, item := range extStats.Stats { bytes, err := json.Marshal(item.ColIDs) if err != nil { @@ -1152,12 +1180,16 @@ func (h *Handle) SaveExtendedStatsToStorage(tableID int64, extStats *statistics. statsStr = item.StringVals } // If isLoad is true, it's INSERT; otherwise, it's UPDATE. - sqls = append(sqls, fmt.Sprintf("replace into mysql.stats_extended values ('%s', %d, %d, '%s', '%s', %d, %d)", name, item.Tp, tableID, strColIDs, statsStr, version, StatsStatusAnalyzed)) + if _, err := exec.ExecuteInternal(ctx, "replace into mysql.stats_extended values (%?, %?, %?, %?, %?, %?, %?)", name, item.Tp, tableID, strColIDs, statsStr, version, StatsStatusAnalyzed); err != nil { + return err + } } if !isLoad { - sqls = append(sqls, fmt.Sprintf("UPDATE mysql.stats_meta SET version = %d WHERE table_id = %d", version, tableID)) + if _, err := exec.ExecuteInternal(ctx, "UPDATE mysql.stats_meta SET version = %? WHERE table_id = %?", version, tableID); err != nil { + return err + } } - return execSQLs(ctx, exec, sqls) + return nil } // CurrentPruneMode indicates whether tbl support runtime prune for table and first partition id. diff --git a/statistics/handle/handle_test.go b/statistics/handle/handle_test.go index 95417de2332b8..a319b2f0f6426 100644 --- a/statistics/handle/handle_test.go +++ b/statistics/handle/handle_test.go @@ -353,7 +353,7 @@ func (s *testStatsSuite) TestVersion(c *C) { tbl1, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t1")) c.Assert(err, IsNil) tableInfo1 := tbl1.Meta() - h, err := handle.NewHandle(testKit.Se, time.Millisecond) + h, err := handle.NewHandle(testKit.Se, time.Millisecond, do.SysSessionPool()) c.Assert(err, IsNil) unit := oracle.ComposeTS(1, 0) testKit.MustExec("update mysql.stats_meta set version = ? where table_id = ?", 2*unit, tableInfo1.ID) @@ -619,7 +619,7 @@ func (s *testStatsSuite) TestCorrelation(c *C) { result = testKit.MustQuery("show stats_histograms where Table_name = 't'").Sort() c.Assert(len(result.Rows()), Equals, 2) c.Assert(result.Rows()[0][9], Equals, "0") - c.Assert(result.Rows()[1][9], Equals, "0.828571") + c.Assert(result.Rows()[1][9], Equals, "0.8285714285714286") testKit.MustExec("truncate table t") result = testKit.MustQuery("show stats_histograms where Table_name = 't'").Sort() @@ -635,7 +635,7 @@ func (s *testStatsSuite) TestCorrelation(c *C) { result = testKit.MustQuery("show stats_histograms where Table_name = 't'").Sort() c.Assert(len(result.Rows()), Equals, 2) c.Assert(result.Rows()[0][9], Equals, "0") - c.Assert(result.Rows()[1][9], Equals, "-0.942857") + c.Assert(result.Rows()[1][9], Equals, "-0.9428571428571428") testKit.MustExec("truncate table t") testKit.MustExec("insert into t values (1,1),(2,1),(3,1),(4,1),(5,1),(6,1),(7,1),(8,1),(9,1),(10,1),(11,1),(12,1),(13,1),(14,1),(15,1),(16,1),(17,1),(18,1),(19,1),(20,2),(21,2),(22,2),(23,2),(24,2),(25,2)") @@ -652,14 +652,14 @@ func (s *testStatsSuite) TestCorrelation(c *C) { result = testKit.MustQuery("show stats_histograms where Table_name = 't'").Sort() c.Assert(len(result.Rows()), Equals, 2) c.Assert(result.Rows()[0][9], Equals, "1") - c.Assert(result.Rows()[1][9], Equals, "0.828571") + c.Assert(result.Rows()[1][9], Equals, "0.8285714285714286") testKit.MustExec("truncate table t") testKit.MustExec("insert into t values(1,1),(2,7),(3,12),(8,18),(4,20),(5,21)") testKit.MustExec("analyze table t") result = testKit.MustQuery("show stats_histograms where Table_name = 't'").Sort() c.Assert(len(result.Rows()), Equals, 2) - c.Assert(result.Rows()[0][9], Equals, "0.828571") + c.Assert(result.Rows()[0][9], Equals, "0.8285714285714286") c.Assert(result.Rows()[1][9], Equals, "1") testKit.MustExec("drop table t") diff --git a/statistics/handle/update.go b/statistics/handle/update.go index d36e9bad343ac..41c385993a6f1 100644 --- a/statistics/handle/update.go +++ b/statistics/handle/update.go @@ -307,12 +307,11 @@ func (h *Handle) sweepIdxUsageList() indexUsageMap { // DumpIndexUsageToKV will dump in-memory index usage information to KV. func (h *Handle) DumpIndexUsageToKV() error { + ctx := context.Background() mapper := h.sweepIdxUsageList() for id, value := range mapper { - sql := fmt.Sprintf( - `insert into mysql.SCHEMA_INDEX_USAGE values (%d, %d, %d, %d, "%s") on duplicate key update query_count=query_count+%d, rows_selected=rows_selected+%d, last_used_at=greatest(last_used_at, "%s")`, - id.TableID, id.IndexID, value.QueryCount, value.RowsSelected, value.LastUsedAt, value.QueryCount, value.RowsSelected, value.LastUsedAt) - _, _, err := h.restrictedExec.ExecRestrictedSQL(sql) + const sql = `insert into mysql.SCHEMA_INDEX_USAGE values (%?, %?, %?, %?, %?) on duplicate key update query_count=query_count+%?, rows_selected=rows_selected+%?, last_used_at=greatest(last_used_at, %?)` + _, _, err := h.execRestrictedSQL(ctx, sql, id.TableID, id.IndexID, value.QueryCount, value.RowsSelected, value.LastUsedAt, value.QueryCount, value.RowsSelected, value.LastUsedAt) if err != nil { return err } @@ -326,7 +325,7 @@ func (h *Handle) GCIndexUsage() error { // We periodically delete the usage information of non-existent indexes through information_schema.tidb_indexes. // This sql will delete the usage information of those indexes that not in information_schema.tidb_indexes. sql := `delete from mysql.SCHEMA_INDEX_USAGE as stats where stats.index_id not in (select idx.index_id from information_schema.tidb_indexes as idx)` - _, _, err := h.restrictedExec.ExecRestrictedSQL(sql) + _, _, err := h.execRestrictedSQL(context.Background(), sql) return err } @@ -453,7 +452,7 @@ func (h *Handle) dumpTableStatCountToKV(id int64, delta variable.TableDelta) (up defer h.mu.Unlock() ctx := context.TODO() exec := h.mu.ctx.(sqlexec.SQLExecutor) - _, err = exec.Execute(ctx, "begin") + _, err = exec.ExecuteInternal(ctx, "begin") if err != nil { return false, errors.Trace(err) } @@ -466,13 +465,14 @@ func (h *Handle) dumpTableStatCountToKV(id int64, delta variable.TableDelta) (up return false, errors.Trace(err) } startTS := txn.StartTS() - var sql string if delta.Delta < 0 { - sql = fmt.Sprintf("update mysql.stats_meta set version = %d, count = count - %d, modify_count = modify_count + %d where table_id = %d and count >= %d", startTS, -delta.Delta, delta.Count, id, -delta.Delta) + _, err = exec.ExecuteInternal(ctx, "update mysql.stats_meta set version = %?, count = count - %?, modify_count = modify_count + %? where table_id = %? and count >= %?", startTS, -delta.Delta, delta.Count, id, -delta.Delta) } else { - sql = fmt.Sprintf("update mysql.stats_meta set version = %d, count = count + %d, modify_count = modify_count + %d where table_id = %d", startTS, delta.Delta, delta.Count, id) + _, err = exec.ExecuteInternal(ctx, "update mysql.stats_meta set version = %?, count = count + %?, modify_count = modify_count + %? where table_id = %?", startTS, delta.Delta, delta.Count, id) + } + if err != nil { + return false, errors.Trace(err) } - err = execSQLs(context.Background(), exec, []string{sql}) updated = h.mu.ctx.GetSessionVars().StmtCtx.AffectedRows() > 0 return } @@ -493,7 +493,7 @@ func (h *Handle) dumpTableStatColSizeToKV(id int64, delta variable.TableDelta) e } sql := fmt.Sprintf("insert into mysql.stats_histograms (table_id, is_index, hist_id, distinct_count, tot_col_size) "+ "values %s on duplicate key update tot_col_size = tot_col_size + values(tot_col_size)", strings.Join(values, ",")) - _, _, err := h.restrictedExec.ExecRestrictedSQL(sql) + _, _, err := h.execRestrictedSQL(context.Background(), sql) return errors.Trace(err) } @@ -540,10 +540,9 @@ func (h *Handle) DumpFeedbackToKV(fb *statistics.QueryFeedback) error { if fb.Tp == statistics.IndexType { isIndex = 1 } - sql := fmt.Sprintf("insert into mysql.stats_feedback (table_id, hist_id, is_index, feedback) values "+ - "(%d, %d, %d, X'%X')", fb.PhysicalID, fb.Hist.ID, isIndex, vals) + const sql = "insert into mysql.stats_feedback (table_id, hist_id, is_index, feedback) values (%?, %?, %?, %?)" h.mu.Lock() - _, err = h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) + _, err = h.mu.ctx.(sqlexec.SQLExecutor).ExecuteInternal(context.TODO(), sql, fb.PhysicalID, fb.Hist.ID, isIndex, vals) h.mu.Unlock() if err != nil { metrics.DumpFeedbackCounter.WithLabelValues(metrics.LblError).Inc() @@ -638,8 +637,8 @@ func (h *Handle) UpdateErrorRate(is infoschema.InfoSchema) { // HandleUpdateStats update the stats using feedback. func (h *Handle) HandleUpdateStats(is infoschema.InfoSchema) error { - sql := "SELECT distinct table_id from mysql.stats_feedback" - tables, _, err := h.restrictedExec.ExecRestrictedSQL(sql) + ctx := context.Background() + tables, _, err := h.execRestrictedSQL(ctx, "SELECT distinct table_id from mysql.stats_feedback") if err != nil { return errors.Trace(err) } @@ -651,20 +650,18 @@ func (h *Handle) HandleUpdateStats(is infoschema.InfoSchema) error { // this func lets `defer` works normally, where `Close()` should be called before any return err = func() error { tbl := ptbl.GetInt64(0) - sql = fmt.Sprintf("select table_id, hist_id, is_index, feedback from mysql.stats_feedback where table_id=%d order by hist_id, is_index", tbl) - rc, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) - if len(rc) > 0 { - defer terror.Call(rc[0].Close) - } + const sql = "select table_id, hist_id, is_index, feedback from mysql.stats_feedback where table_id=%? order by hist_id, is_index" + rc, err := h.mu.ctx.(sqlexec.SQLExecutor).ExecuteInternal(context.TODO(), sql, tbl) if err != nil { return errors.Trace(err) } + defer terror.Call(rc.Close) tableID, histID, isIndex := int64(-1), int64(-1), int64(-1) var rows []chunk.Row for { - req := rc[0].NewChunk() + req := rc.NewChunk() iter := chunk.NewIterator4Chunk(req) - err := rc[0].Next(context.TODO(), req) + err := rc.Next(context.TODO(), req) if err != nil { return errors.Trace(err) } @@ -762,8 +759,8 @@ func (h *Handle) deleteOutdatedFeedback(tableID, histID, isIndex int64) error { defer h.mu.Unlock() hasData := true for hasData { - sql := fmt.Sprintf("delete from mysql.stats_feedback where table_id = %d and hist_id = %d and is_index = %d limit 10000", tableID, histID, isIndex) - _, err := h.mu.ctx.(sqlexec.SQLExecutor).Execute(context.TODO(), sql) + sql := "delete from mysql.stats_feedback where table_id = %? and hist_id = %? and is_index = %? limit 10000" + _, err := h.mu.ctx.(sqlexec.SQLExecutor).ExecuteInternal(context.TODO(), sql, tableID, histID, isIndex) if err != nil { return errors.Trace(err) } @@ -830,9 +827,9 @@ func NeedAnalyzeTable(tbl *statistics.Table, limit time.Duration, autoAnalyzeRat } func (h *Handle) getAutoAnalyzeParameters() map[string]string { - sql := fmt.Sprintf("select variable_name, variable_value from mysql.global_variables where variable_name in ('%s', '%s', '%s')", - variable.TiDBAutoAnalyzeRatio, variable.TiDBAutoAnalyzeStartTime, variable.TiDBAutoAnalyzeEndTime) - rows, _, err := h.restrictedExec.ExecRestrictedSQL(sql) + ctx := context.Background() + sql := "select variable_name, variable_value from mysql.global_variables where variable_name in (%?, %?, %?)" + rows, _, err := h.execRestrictedSQL(ctx, sql, variable.TiDBAutoAnalyzeRatio, variable.TiDBAutoAnalyzeStartTime, variable.TiDBAutoAnalyzeEndTime) if err != nil { return map[string]string{} } @@ -884,8 +881,8 @@ func (h *Handle) HandleAutoAnalyze(is infoschema.InfoSchema) { pi := tblInfo.GetPartitionInfo() if pi == nil || pruneMode == variable.DynamicOnly || pruneMode == variable.StaticButPrepareDynamic { statsTbl := h.GetTableStats(tblInfo) - sql := "analyze table `" + db + "`.`" + tblInfo.Name.O + "`" - analyzed := h.autoAnalyzeTable(tblInfo, statsTbl, start, end, autoAnalyzeRatio, sql) + sql := "analyze table %n.%n" + analyzed := h.autoAnalyzeTable(tblInfo, statsTbl, start, end, autoAnalyzeRatio, sql, db, tblInfo.Name.O) if analyzed { return } @@ -893,9 +890,9 @@ func (h *Handle) HandleAutoAnalyze(is infoschema.InfoSchema) { } if pruneMode == variable.StaticOnly || pruneMode == variable.StaticButPrepareDynamic { for _, def := range pi.Definitions { - sql := "analyze table `" + db + "`.`" + tblInfo.Name.O + "`" + " partition `" + def.Name.O + "`" + sql := "analyze table %n.%n partition %n" statsTbl := h.GetPartitionStats(tblInfo, def.ID) - analyzed := h.autoAnalyzeTable(tblInfo, statsTbl, start, end, autoAnalyzeRatio, sql) + analyzed := h.autoAnalyzeTable(tblInfo, statsTbl, start, end, autoAnalyzeRatio, sql, db, tblInfo.Name.O, def.Name.O) if analyzed { return } @@ -907,32 +904,28 @@ func (h *Handle) HandleAutoAnalyze(is infoschema.InfoSchema) { } } -func (h *Handle) autoAnalyzeTable(tblInfo *model.TableInfo, statsTbl *statistics.Table, start, end time.Time, ratio float64, sql string) bool { +func (h *Handle) autoAnalyzeTable(tblInfo *model.TableInfo, statsTbl *statistics.Table, start, end time.Time, ratio float64, sql string, params ...interface{}) bool { if statsTbl.Pseudo || statsTbl.Count < AutoAnalyzeMinCnt { return false } if needAnalyze, reason := NeedAnalyzeTable(statsTbl, 20*h.Lease(), ratio, start, end, time.Now()); needAnalyze { logutil.BgLogger().Info("[stats] auto analyze triggered", zap.String("sql", sql), zap.String("reason", reason)) - h.execAutoAnalyze(sql) + h.execAutoAnalyze(sql, params...) return true } for _, idx := range tblInfo.Indices { if _, ok := statsTbl.Indices[idx.ID]; !ok && idx.State == model.StatePublic { - sql = fmt.Sprintf("%s index `%s`", sql, idx.Name.O) logutil.BgLogger().Info("[stats] auto analyze for unanalyzed", zap.String("sql", sql)) - h.execAutoAnalyze(sql) + h.execAutoAnalyze(sql+" index %n", append(params, idx.Name.O)...) return true } } return false } -func (h *Handle) execAutoAnalyze(sql string) { +func (h *Handle) execAutoAnalyze(sql string, params ...interface{}) { startTime := time.Now() - // Ignore warnings to get rid of a data race here https://github.com/pingcap/tidb/issues/21393 - // Handle is a single instance, updateStatsWorker() and autoAnalyzeWorker() are both using the session, - // One of them is executing ResetContextOfStmt and the other is appending warnings to the StmtCtx, lead to the data race. - _, _, err := h.restrictedExec.ExecRestrictedSQLWithContext(context.Background(), sql, sqlexec.ExecOptionIgnoreWarning) + _, _, err := h.execRestrictedSQL(context.Background(), sql, params...) dur := time.Since(startTime) metrics.AutoAnalyzeHistogram.Observe(dur.Seconds()) if err != nil { diff --git a/types/datum.go b/types/datum.go index 0912fc0ed09ff..4b9ba0407f5f6 100644 --- a/types/datum.go +++ b/types/datum.go @@ -194,7 +194,10 @@ var sink = func(s string) { // GetBytes gets bytes value. func (d *Datum) GetBytes() []byte { - return d.b + if d.b != nil { + return d.b + } + return []byte{} } // SetBytes sets bytes value to datum. From 711be897c40f197c13878ee9d37a384116957547 Mon Sep 17 00:00:00 2001 From: YIXIAO SHI Date: Wed, 3 Feb 2021 14:37:58 +0800 Subject: [PATCH 0756/1021] store/tikv: remove util/codec dependency (#22681) --- store/tikv/pd_codec.go | 2 +- store/tikv/ticlient_test.go | 2 +- store/tikv/util/codec/bytes.go | 170 +++++++++++++++++++++++++++++++++ 3 files changed, 172 insertions(+), 2 deletions(-) create mode 100644 store/tikv/util/codec/bytes.go diff --git a/store/tikv/pd_codec.go b/store/tikv/pd_codec.go index 7962080ce8055..0a6a3b0ab2dc0 100644 --- a/store/tikv/pd_codec.go +++ b/store/tikv/pd_codec.go @@ -18,7 +18,7 @@ import ( "github.com/pingcap/errors" "github.com/pingcap/kvproto/pkg/metapb" - "github.com/pingcap/tidb/util/codec" + "github.com/pingcap/tidb/store/tikv/util/codec" pd "github.com/tikv/pd/client" ) diff --git a/store/tikv/ticlient_test.go b/store/tikv/ticlient_test.go index 04c5b1b430938..f07454526ecc4 100644 --- a/store/tikv/ticlient_test.go +++ b/store/tikv/ticlient_test.go @@ -26,7 +26,7 @@ import ( "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/store/mockstore/unistore" "github.com/pingcap/tidb/store/tikv/config" - "github.com/pingcap/tidb/util/codec" + "github.com/pingcap/tidb/store/tikv/util/codec" pd "github.com/tikv/pd/client" ) diff --git a/store/tikv/util/codec/bytes.go b/store/tikv/util/codec/bytes.go new file mode 100644 index 0000000000000..58c9890d724d9 --- /dev/null +++ b/store/tikv/util/codec/bytes.go @@ -0,0 +1,170 @@ +// Copyright 2021 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. + +package codec + +import ( + "runtime" + "unsafe" + + "github.com/pingcap/errors" +) + +const ( + encGroupSize = 8 + encMarker = byte(0xFF) + encPad = byte(0x0) +) + +var ( + pads = make([]byte, encGroupSize) +) + +// EncodeBytes guarantees the encoded value is in ascending order for comparison, +// encoding with the following rule: +// [group1][marker1]...[groupN][markerN] +// group is 8 bytes slice which is padding with 0. +// marker is `0xFF - padding 0 count` +// For example: +// [] -> [0, 0, 0, 0, 0, 0, 0, 0, 247] +// [1, 2, 3] -> [1, 2, 3, 0, 0, 0, 0, 0, 250] +// [1, 2, 3, 0] -> [1, 2, 3, 0, 0, 0, 0, 0, 251] +// [1, 2, 3, 4, 5, 6, 7, 8] -> [1, 2, 3, 4, 5, 6, 7, 8, 255, 0, 0, 0, 0, 0, 0, 0, 0, 247] +// Refer: https://github.com/facebook/mysql-5.6/wiki/MyRocks-record-format#memcomparable-format +func EncodeBytes(b []byte, data []byte) []byte { + // Allocate more space to avoid unnecessary slice growing. + // Assume that the byte slice size is about `(len(data) / encGroupSize + 1) * (encGroupSize + 1)` bytes, + // that is `(len(data) / 8 + 1) * 9` in our implement. + dLen := len(data) + reallocSize := (dLen/encGroupSize + 1) * (encGroupSize + 1) + result := reallocBytes(b, reallocSize) + for idx := 0; idx <= dLen; idx += encGroupSize { + remain := dLen - idx + padCount := 0 + if remain >= encGroupSize { + result = append(result, data[idx:idx+encGroupSize]...) + } else { + padCount = encGroupSize - remain + result = append(result, data[idx:]...) + result = append(result, pads[:padCount]...) + } + + marker := encMarker - byte(padCount) + result = append(result, marker) + } + + return result +} + +func decodeBytes(b []byte, buf []byte, reverse bool) ([]byte, []byte, error) { + if buf == nil { + buf = make([]byte, 0, len(b)) + } + buf = buf[:0] + for { + if len(b) < encGroupSize+1 { + return nil, nil, errors.New("insufficient bytes to decode value") + } + + groupBytes := b[:encGroupSize+1] + + group := groupBytes[:encGroupSize] + marker := groupBytes[encGroupSize] + + var padCount byte + if reverse { + padCount = marker + } else { + padCount = encMarker - marker + } + if padCount > encGroupSize { + return nil, nil, errors.Errorf("invalid marker byte, group bytes %q", groupBytes) + } + + realGroupSize := encGroupSize - padCount + buf = append(buf, group[:realGroupSize]...) + b = b[encGroupSize+1:] + + if padCount != 0 { + var padByte = encPad + if reverse { + padByte = encMarker + } + // Check validity of padding bytes. + for _, v := range group[realGroupSize:] { + if v != padByte { + return nil, nil, errors.Errorf("invalid padding byte, group bytes %q", groupBytes) + } + } + break + } + } + if reverse { + reverseBytes(buf) + } + return b, buf, nil +} + +// DecodeBytes decodes bytes which is encoded by EncodeBytes before, +// returns the leftover bytes and decoded value if no error. +// `buf` is used to buffer data to avoid the cost of makeslice in decodeBytes when DecodeBytes is called by Decoder.DecodeOne. +func DecodeBytes(b []byte, buf []byte) ([]byte, []byte, error) { + return decodeBytes(b, buf, false) +} + +// See https://golang.org/src/crypto/cipher/xor.go +const wordSize = int(unsafe.Sizeof(uintptr(0))) +const supportsUnaligned = runtime.GOARCH == "386" || runtime.GOARCH == "amd64" + +func fastReverseBytes(b []byte) { + n := len(b) + w := n / wordSize + if w > 0 { + bw := *(*[]uintptr)(unsafe.Pointer(&b)) + for i := 0; i < w; i++ { + bw[i] = ^bw[i] + } + } + + for i := w * wordSize; i < n; i++ { + b[i] = ^b[i] + } +} + +func safeReverseBytes(b []byte) { + for i := range b { + b[i] = ^b[i] + } +} + +func reverseBytes(b []byte) { + if supportsUnaligned { + fastReverseBytes(b) + return + } + + safeReverseBytes(b) +} + +// reallocBytes is like realloc. +func reallocBytes(b []byte, n int) []byte { + newSize := len(b) + n + if cap(b) < newSize { + bs := make([]byte, len(b), newSize) + copy(bs, b) + return bs + } + + // slice b has capability to store n bytes + return b +} From 7a275a77bb5c746b23a4e409cdc002ca6bcf5552 Mon Sep 17 00:00:00 2001 From: disksing Date: Wed, 3 Feb 2021 00:59:57 -0600 Subject: [PATCH 0757/1021] store/tikv: move EtcdBackend out (#22676) Signed-off-by: disksing --- domain/domain.go | 2 +- executor/infoschema_reader.go | 3 ++- executor/split.go | 2 +- infoschema/tables.go | 2 +- kv/kv.go | 8 ++++++++ server/http_handler.go | 2 +- session/session.go | 2 +- session/session_test.go | 4 ++-- store/helper/helper.go | 8 ++++---- store/tikv/kv.go | 7 ------- 10 files changed, 21 insertions(+), 19 deletions(-) diff --git a/domain/domain.go b/domain/domain.go index ac0ddc2ea73bc..d74dd3c1762b4 100644 --- a/domain/domain.go +++ b/domain/domain.go @@ -700,7 +700,7 @@ const serverIDForStandalone = 1 // serverID for standalone deployment. // Init initializes a domain. func (do *Domain) Init(ddlLease time.Duration, sysFactory func(*Domain) (pools.Resource, error)) error { perfschema.Init() - if ebd, ok := do.store.(tikv.EtcdBackend); ok { + if ebd, ok := do.store.(kv.EtcdBackend); ok { var addrs []string var err error if addrs, err = ebd.EtcdAddrs(); err != nil { diff --git a/executor/infoschema_reader.go b/executor/infoschema_reader.go index 83969ea3991b9..0691b748fc1eb 100644 --- a/executor/infoschema_reader.go +++ b/executor/infoschema_reader.go @@ -36,6 +36,7 @@ import ( "github.com/pingcap/tidb/domain" "github.com/pingcap/tidb/domain/infosync" "github.com/pingcap/tidb/infoschema" + "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/meta/autoid" plannercore "github.com/pingcap/tidb/planner/core" "github.com/pingcap/tidb/privilege" @@ -1971,7 +1972,7 @@ type tiflashInstanceInfo struct { func (e *TiFlashSystemTableRetriever) initialize(sctx sessionctx.Context, tiflashInstances set.StringSet) error { store := sctx.GetStore() - if etcd, ok := store.(tikv.EtcdBackend); ok { + if etcd, ok := store.(kv.EtcdBackend); ok { var addrs []string var err error if addrs, err = etcd.EtcdAddrs(); err != nil { diff --git a/executor/split.go b/executor/split.go index afc549a60d139..b88bde7a343f7 100644 --- a/executor/split.go +++ b/executor/split.go @@ -801,7 +801,7 @@ func getRegionMeta(tikvStore tikv.Storage, regionMetas []*tikv.Region, uniqueReg func getRegionInfo(store tikv.Storage, regions []regionMeta) ([]regionMeta, error) { // check pd server exists. - etcd, ok := store.(tikv.EtcdBackend) + etcd, ok := store.(kv.EtcdBackend) if !ok { return regions, nil } diff --git a/infoschema/tables.go b/infoschema/tables.go index 049a5901731cb..ba33719ba1a3a 100644 --- a/infoschema/tables.go +++ b/infoschema/tables.go @@ -1459,7 +1459,7 @@ func FormatVersion(TiDBVersion string, isDefaultVersion bool) string { func GetPDServerInfo(ctx sessionctx.Context) ([]ServerInfo, error) { // Get PD servers info. store := ctx.GetStore() - etcd, ok := store.(tikv.EtcdBackend) + etcd, ok := store.(kv.EtcdBackend) if !ok { return nil, errors.Errorf("%T not an etcd backend", store) } diff --git a/kv/kv.go b/kv/kv.go index 52e23dc7f49d7..67373047acd37 100644 --- a/kv/kv.go +++ b/kv/kv.go @@ -15,6 +15,7 @@ package kv import ( "context" + "crypto/tls" "sync" "time" @@ -495,6 +496,13 @@ type Storage interface { GetMemCache() MemManager } +// EtcdBackend is used for judging a storage is a real TiKV. +type EtcdBackend interface { + EtcdAddrs() ([]string, error) + TLSConfig() *tls.Config + StartGCWorker() error +} + // FnKeyCmp is the function for iterator the keys type FnKeyCmp func(key Key) bool diff --git a/server/http_handler.go b/server/http_handler.go index 8bc6cd31c9241..ce5884d95e994 100644 --- a/server/http_handler.go +++ b/server/http_handler.go @@ -1110,7 +1110,7 @@ func (h ddlResignOwnerHandler) ServeHTTP(w http.ResponseWriter, req *http.Reques } func (h tableHandler) getPDAddr() ([]string, error) { - etcd, ok := h.Store.(tikv.EtcdBackend) + etcd, ok := h.Store.(kv.EtcdBackend) if !ok { return nil, errors.New("not implemented") } diff --git a/session/session.go b/session/session.go index fc4794fcb1a15..1533995b45624 100644 --- a/session/session.go +++ b/session/session.go @@ -2352,7 +2352,7 @@ func BootstrapSession(store kv.Storage) (*domain.Domain, error) { if err != nil { return nil, err } - if raw, ok := store.(tikv.EtcdBackend); ok { + if raw, ok := store.(kv.EtcdBackend); ok { err = raw.StartGCWorker() if err != nil { return nil, err diff --git a/session/session_test.go b/session/session_test.go index 5fc06a9e72d4d..332f64465a1a1 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -123,7 +123,7 @@ func clearStorage(store kv.Storage) error { return txn.Commit(context.Background()) } -func clearETCD(ebd tikv.EtcdBackend) error { +func clearETCD(ebd kv.EtcdBackend) error { endpoints, err := ebd.EtcdAddrs() if err != nil { return err @@ -187,7 +187,7 @@ func (s *testSessionSuiteBase) SetUpSuite(c *C) { c.Assert(err, IsNil) err = clearStorage(store) c.Assert(err, IsNil) - err = clearETCD(store.(tikv.EtcdBackend)) + err = clearETCD(store.(kv.EtcdBackend)) c.Assert(err, IsNil) session.ResetStoreForWithTiKVTest(store) s.store = store diff --git a/store/helper/helper.go b/store/helper/helper.go index ebb56158f95ce..98ad35b8852c5 100644 --- a/store/helper/helper.go +++ b/store/helper/helper.go @@ -118,7 +118,7 @@ func (h *Helper) ScrapeHotInfo(rw string, allSchemas []*model.DBInfo) ([]HotTabl // FetchHotRegion fetches the hot region information from PD's http api. func (h *Helper) FetchHotRegion(rw string) (map[uint64]RegionMetric, error) { - etcd, ok := h.Store.(tikv.EtcdBackend) + etcd, ok := h.Store.(kv.EtcdBackend) if !ok { return nil, errors.WithStack(errors.New("not implemented")) } @@ -639,7 +639,7 @@ func (h *Helper) GetRegionInfoByID(regionID uint64) (*RegionInfo, error) { // request PD API, decode the response body into res func (h *Helper) requestPD(method, uri string, body io.Reader, res interface{}) error { - etcd, ok := h.Store.(tikv.EtcdBackend) + etcd, ok := h.Store.(kv.EtcdBackend) if !ok { return errors.WithStack(errors.New("not implemented")) } @@ -725,7 +725,7 @@ type StoreDetailStat struct { // GetStoresStat gets the TiKV store information by accessing PD's api. func (h *Helper) GetStoresStat() (*StoresStat, error) { - etcd, ok := h.Store.(tikv.EtcdBackend) + etcd, ok := h.Store.(kv.EtcdBackend) if !ok { return nil, errors.WithStack(errors.New("not implemented")) } @@ -760,7 +760,7 @@ func (h *Helper) GetStoresStat() (*StoresStat, error) { // GetPDAddr return the PD Address. func (h *Helper) GetPDAddr() ([]string, error) { - etcd, ok := h.Store.(tikv.EtcdBackend) + etcd, ok := h.Store.(kv.EtcdBackend) if !ok { return nil, errors.New("not implemented") } diff --git a/store/tikv/kv.go b/store/tikv/kv.go index 3432d7d4fbec9..691f6ccc214bf 100644 --- a/store/tikv/kv.go +++ b/store/tikv/kv.go @@ -53,13 +53,6 @@ func createEtcdKV(addrs []string, tlsConfig *tls.Config) (*clientv3.Client, erro return cli, nil } -// EtcdBackend is used for judging a storage is a real TiKV. -type EtcdBackend interface { - EtcdAddrs() ([]string, error) - TLSConfig() *tls.Config - StartGCWorker() error -} - // update oracle's lastTS every 2000ms. var oracleUpdateInterval = 2000 From b35e15c8cfeaa7e8f4d8a0db1c6cbba88ff116d9 Mon Sep 17 00:00:00 2001 From: Shirly Date: Wed, 3 Feb 2021 15:16:28 +0800 Subject: [PATCH 0758/1021] store:move tikv/gcworker to store/gcworker (#22678) Signed-off-by: shirly --- cmd/ddltest/index_test.go | 2 +- server/http_handler.go | 2 +- store/{tikv => }/gcworker/gc_worker.go | 0 store/{tikv => }/gcworker/gc_worker_test.go | 32 ++++++++++----------- store/tikv/region_request.go | 2 +- tidb-server/main.go | 2 +- 6 files changed, 20 insertions(+), 20 deletions(-) rename store/{tikv => }/gcworker/gc_worker.go (100%) rename store/{tikv => }/gcworker/gc_worker_test.go (96%) diff --git a/cmd/ddltest/index_test.go b/cmd/ddltest/index_test.go index 4e8f7094a2ec3..77d25e9e04b3b 100644 --- a/cmd/ddltest/index_test.go +++ b/cmd/ddltest/index_test.go @@ -26,7 +26,7 @@ import ( "github.com/pingcap/parser/terror" "github.com/pingcap/tidb/kv" "github.com/pingcap/tidb/store/tikv" - "github.com/pingcap/tidb/store/tikv/gcworker" + "github.com/pingcap/tidb/store/gcworker" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/table/tables" "github.com/pingcap/tidb/types" diff --git a/server/http_handler.go b/server/http_handler.go index ce5884d95e994..8f748dbe7c55a 100644 --- a/server/http_handler.go +++ b/server/http_handler.go @@ -48,9 +48,9 @@ import ( "github.com/pingcap/tidb/sessionctx/binloginfo" "github.com/pingcap/tidb/sessionctx/stmtctx" "github.com/pingcap/tidb/sessionctx/variable" + "github.com/pingcap/tidb/store/gcworker" "github.com/pingcap/tidb/store/helper" "github.com/pingcap/tidb/store/tikv" - "github.com/pingcap/tidb/store/tikv/gcworker" "github.com/pingcap/tidb/store/tikv/tikvrpc" "github.com/pingcap/tidb/table" "github.com/pingcap/tidb/table/tables" diff --git a/store/tikv/gcworker/gc_worker.go b/store/gcworker/gc_worker.go similarity index 100% rename from store/tikv/gcworker/gc_worker.go rename to store/gcworker/gc_worker.go diff --git a/store/tikv/gcworker/gc_worker_test.go b/store/gcworker/gc_worker_test.go similarity index 96% rename from store/tikv/gcworker/gc_worker_test.go rename to store/gcworker/gc_worker_test.go index 6d1d8273cb591..0660aae14c8c9 100644 --- a/store/tikv/gcworker/gc_worker_test.go +++ b/store/gcworker/gc_worker_test.go @@ -564,9 +564,9 @@ const ( ) func (s *testGCWorkerSuite) testDeleteRangesFailureImpl(c *C, failType int) { - c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/gcworker/mockHistoryJobForGC", "return(1)"), IsNil) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/gcworker/mockHistoryJobForGC", "return(1)"), IsNil) defer func() { - c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/gcworker/mockHistoryJobForGC"), IsNil) + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/gcworker/mockHistoryJobForGC"), IsNil) }() // Put some delete range tasks. @@ -853,10 +853,10 @@ func (s *testGCWorkerSuite) TestLeaderTick(c *C) { func (s *testGCWorkerSuite) TestResolveLockRangeInfine(c *C) { c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/invalidCacheAndRetry", "return(true)"), IsNil) - c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/gcworker/setGcResolveMaxBackoff", "return(1)"), IsNil) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/gcworker/setGcResolveMaxBackoff", "return(1)"), IsNil) defer func() { c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/invalidCacheAndRetry"), IsNil) - c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/gcworker/setGcResolveMaxBackoff"), IsNil) + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/gcworker/setGcResolveMaxBackoff"), IsNil) }() _, err := s.gcWorker.resolveLocksForRange(context.Background(), 1, []byte{0}, []byte{1}) c.Assert(err, NotNil) @@ -1387,11 +1387,11 @@ func (s *testGCWorkerSuite) TestResolveLocksPhysical(c *C) { locks := []*kvrpcpb.LockInfo{{Key: []byte{0}}} return &tikvrpc.Response{Resp: &kvrpcpb.PhysicalScanLockResponse{Locks: locks, Error: ""}}, nil } - c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/gcworker/resolveLocksAcrossRegionsErr", "return(100)"), IsNil) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/gcworker/resolveLocksAcrossRegionsErr", "return(100)"), IsNil) physicalUsed, err = s.gcWorker.resolveLocks(ctx, safePoint, 3, true) c.Assert(physicalUsed, IsFalse) c.Assert(err, IsNil) - c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/gcworker/resolveLocksAcrossRegionsErr"), IsNil) + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/gcworker/resolveLocksAcrossRegionsErr"), IsNil) // Shouldn't fall back when fails to scan locks less than 3 times. reset() @@ -1434,7 +1434,7 @@ func (s *testGCWorkerSuite) TestResolveLocksPhysical(c *C) { reset() var wg sync.WaitGroup wg.Add(1) - c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/gcworker/beforeCheckLockObservers", "pause"), IsNil) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/gcworker/beforeCheckLockObservers", "pause"), IsNil) go func() { defer wg.Done() physicalUsed, err := s.gcWorker.resolveLocks(ctx, safePoint, 3, true) @@ -1453,13 +1453,13 @@ func (s *testGCWorkerSuite) TestResolveLocksPhysical(c *C) { } return alwaysSucceedHanlder(addr, req) } - c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/gcworker/beforeCheckLockObservers"), IsNil) + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/gcworker/beforeCheckLockObservers"), IsNil) wg.Wait() // Shouldn't fall back when a store is removed. reset() wg.Add(1) - c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/gcworker/beforeCheckLockObservers", "pause"), IsNil) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/gcworker/beforeCheckLockObservers", "pause"), IsNil) go func() { defer wg.Done() physicalUsed, err := s.gcWorker.resolveLocks(ctx, safePoint, 3, true) @@ -1469,13 +1469,13 @@ func (s *testGCWorkerSuite) TestResolveLocksPhysical(c *C) { // Sleep to let the goroutine pause. time.Sleep(500 * time.Millisecond) s.cluster.RemoveStore(100) - c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/gcworker/beforeCheckLockObservers"), IsNil) + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/gcworker/beforeCheckLockObservers"), IsNil) wg.Wait() // Should fall back when a cleaned store becomes dirty. reset() wg.Add(1) - c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/gcworker/beforeCheckLockObservers", "pause"), IsNil) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/gcworker/beforeCheckLockObservers", "pause"), IsNil) go func() { defer wg.Done() physicalUsed, err := s.gcWorker.resolveLocks(ctx, safePoint, 3, true) @@ -1506,7 +1506,7 @@ func (s *testGCWorkerSuite) TestResolveLocksPhysical(c *C) { return alwaysSucceedHanlder(addr, req) } } - c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/gcworker/beforeCheckLockObservers"), IsNil) + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/gcworker/beforeCheckLockObservers"), IsNil) wg.Wait() // Shouldn't fall back when fails to remove lock observers. @@ -1541,9 +1541,9 @@ func (s *testGCWorkerSuite) TestPhyscailScanLockDeadlock(c *C) { // Sleep 1000ms to let the main goroutine block on sending tasks. // Inject error to the goroutine resolving locks so that the main goroutine will block forever if it doesn't handle channels properly. - c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/gcworker/resolveLocksAcrossRegionsErr", "return(1000)"), IsNil) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/gcworker/resolveLocksAcrossRegionsErr", "return(1000)"), IsNil) defer func() { - c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/gcworker/resolveLocksAcrossRegionsErr"), IsNil) + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/gcworker/resolveLocksAcrossRegionsErr"), IsNil) }() done := make(chan interface{}) @@ -1562,9 +1562,9 @@ func (s *testGCWorkerSuite) TestPhyscailScanLockDeadlock(c *C) { } func (s *testGCWorkerSuite) TestGCPlacementRules(c *C) { - c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/tikv/gcworker/mockHistoryJobForGC", "return(1)"), IsNil) + c.Assert(failpoint.Enable("github.com/pingcap/tidb/store/gcworker/mockHistoryJobForGC", "return(1)"), IsNil) defer func() { - c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/tikv/gcworker/mockHistoryJobForGC"), IsNil) + c.Assert(failpoint.Disable("github.com/pingcap/tidb/store/gcworker/mockHistoryJobForGC"), IsNil) }() dr := util.DelRangeTask{JobID: 1, ElementID: 1} diff --git a/store/tikv/region_request.go b/store/tikv/region_request.go index 398a230e88a1e..f7588e4346c9c 100644 --- a/store/tikv/region_request.go +++ b/store/tikv/region_request.go @@ -299,7 +299,7 @@ func (s *RegionRequestSender) SendReqCtx( } failpoint.Inject("invalidCacheAndRetry", func() { - // cooperate with github.com/pingcap/tidb/store/tikv/gcworker/setGcResolveMaxBackoff + // cooperate with github.com/pingcap/tidb/store/gcworker/setGcResolveMaxBackoff if c := bo.ctx.Value("injectedBackoff"); c != nil { resp, err = tikvrpc.GenRegionErrorResp(req, &errorpb.Error{EpochNotMatch: &errorpb.EpochNotMatch{}}) failpoint.Return(resp, nil, err) diff --git a/tidb-server/main.go b/tidb-server/main.go index 54e5b8a3df20a..df9834a9b5777 100644 --- a/tidb-server/main.go +++ b/tidb-server/main.go @@ -48,9 +48,9 @@ import ( "github.com/pingcap/tidb/sessionctx/variable" "github.com/pingcap/tidb/statistics" kvstore "github.com/pingcap/tidb/store" + "github.com/pingcap/tidb/store/gcworker" "github.com/pingcap/tidb/store/mockstore" "github.com/pingcap/tidb/store/tikv" - "github.com/pingcap/tidb/store/tikv/gcworker" "github.com/pingcap/tidb/store/tikv/storeutil" "github.com/pingcap/tidb/util" "github.com/pingcap/tidb/util/disk" From 17b88defa49f09612a1c223458baead9cfec954e Mon Sep 17 00:00:00 2001 From: lysu Date: Wed, 3 Feb 2021 18:14:58 +0800 Subject: [PATCH 0759/1021] executor: fix invalid txn when using prepare under @@tidb_snapshot (#22697) Signed-off-by: lysu --- executor/prepared.go | 24 +++++++++++++++--------- planner/core/prepare_test.go | 33 +++++++++++++++++++++++++++++++++ 2 files changed, 48 insertions(+), 9 deletions(-) diff --git a/executor/prepared.go b/executor/prepared.go index 8bc1753c181f9..0570c4b821b74 100644 --- a/executor/prepared.go +++ b/executor/prepared.go @@ -248,15 +248,21 @@ func (e *ExecuteExec) Next(ctx context.Context, req *chunk.Chunk) error { // Build builds a prepared statement into an executor. // After Build, e.StmtExec will be used to do the real execution. func (e *ExecuteExec) Build(b *executorBuilder) error { - ok, err := plannercore.IsPointGetWithPKOrUniqueKeyByAutoCommit(e.ctx, e.plan) - if err != nil { - return err - } - if ok { - err = e.ctx.InitTxnWithStartTS(math.MaxUint64) - } - if err != nil { - return err + if snapshotTS := e.ctx.GetSessionVars().SnapshotTS; snapshotTS != 0 { + if err := e.ctx.InitTxnWithStartTS(snapshotTS); err != nil { + return err + } + } else { + ok, err := plannercore.IsPointGetWithPKOrUniqueKeyByAutoCommit(e.ctx, e.plan) + if err != nil { + return err + } + if ok { + err = e.ctx.InitTxnWithStartTS(math.MaxUint64) + if err != nil { + return err + } + } } stmtExec := b.build(e.plan) if b.err != nil { diff --git a/planner/core/prepare_test.go b/planner/core/prepare_test.go index a451b26b7dce0..73fd6fcc60f38 100644 --- a/planner/core/prepare_test.go +++ b/planner/core/prepare_test.go @@ -368,6 +368,39 @@ func (s *testPrepareSuite) TestPrepareWithWindowFunction(c *C) { tk.MustQuery("execute stmt2 using @a, @b").Check(testkit.Rows("0", "0")) } +func (s *testPrepareSuite) TestPrepareWithSnapshot(c *C) { + defer testleak.AfterTest(c)() + store, dom, err := newStoreWithBootstrap() + c.Assert(err, IsNil) + tk := testkit.NewTestKit(c, store) + defer func() { + dom.Close() + store.Close() + }() + + safePointName := "tikv_gc_safe_point" + safePointValue := "20060102-15:04:05 -0700" + safePointComment := "All versions after safe point can be accessed. (DO NOT EDIT)" + updateSafePoint := fmt.Sprintf(`INSERT INTO mysql.tidb VALUES ('%[1]s', '%[2]s', '%[3]s') + ON DUPLICATE KEY + UPDATE variable_value = '%[2]s', comment = '%[3]s'`, safePointName, safePointValue, safePointComment) + tk.MustExec(updateSafePoint) + + tk.MustExec("use test") + tk.MustExec("drop table if exists t") + tk.MustExec("create table t(id int primary key, v int)") + tk.MustExec("insert into t select 1, 2") + tk.MustExec("begin") + ts := tk.MustQuery("select @@tidb_current_ts").Rows()[0][0].(string) + tk.MustExec("commit") + tk.MustExec("update t set v = 3 where id = 1") + tk.MustExec("prepare s1 from 'select * from t where id = 1';") + tk.MustExec("prepare s2 from 'select * from t';") + tk.MustExec("set @@tidb_snapshot = " + ts) + tk.MustQuery("execute s1").Check(testkit.Rows("1 2")) + tk.MustQuery("execute s2").Check(testkit.Rows("1 2")) +} + func (s *testPrepareSuite) TestPrepareForGroupByItems(c *C) { defer testleak.AfterTest(c)() store, dom, err := newStoreWithBootstrap() From 9e3c0649e43db48816e005e76c1c9d6bdd5a80ad Mon Sep 17 00:00:00 2001 From: rebelice Date: Wed, 3 Feb 2021 20:36:57 +0800 Subject: [PATCH 0760/1021] ddl, session: add tidb_enable_exchange_partition variable (#22638) --- ddl/db_partition_test.go | 15 +++++++++++++++ ddl/db_test.go | 2 ++ ddl/ddl_api.go | 4 ++++ ddl/ddl_worker_test.go | 2 ++ ddl/error.go | 2 ++ ddl/failtest/fail_db_test.go | 2 ++ ddl/placement_sql_test.go | 2 ++ ddl/serial_test.go | 3 +++ session/session.go | 1 + sessionctx/variable/session.go | 5 +++++ sessionctx/variable/sysvar.go | 1 + sessionctx/variable/tidb_vars.go | 4 ++++ 12 files changed, 43 insertions(+) diff --git a/ddl/db_partition_test.go b/ddl/db_partition_test.go index 2471c4c4593e1..370834f2025b8 100644 --- a/ddl/db_partition_test.go +++ b/ddl/db_partition_test.go @@ -1636,6 +1636,15 @@ func (s *testIntegrationSuite7) TestAlterTableExchangePartition(c *C) { id INT NOT NULL );`) tk.MustExec(`INSERT INTO e VALUES (1669),(337),(16),(2005)`) + // test disable exchange partition + tk.MustExec("ALTER TABLE e EXCHANGE PARTITION p0 WITH TABLE e2") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 8200 Exchange Partition is disabled, please set 'tidb_enable_exchange_partition' if you need to need to enable it")) + tk.MustQuery("select * from e").Check(testkit.Rows("16", "1669", "337", "2005")) + tk.MustQuery("select * from e2").Check(testkit.Rows()) + + // enable exchange partition + tk.MustExec("set @@tidb_enable_exchange_partition=1") + defer tk.MustExec("set @@tidb_enable_exchange_partition=0") tk.MustExec("ALTER TABLE e EXCHANGE PARTITION p0 WITH TABLE e2") tk.MustQuery("select * from e2").Check(testkit.Rows("16")) tk.MustQuery("select * from e").Check(testkit.Rows("1669", "337", "2005")) @@ -2022,6 +2031,7 @@ func (s *testIntegrationSuite4) TestExchangePartitionTableCompatiable(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") + tk.Se.GetSessionVars().SetSystemVar("tidb_enable_exchange_partition", "1") for i, t := range cases { tk.MustExec(t.ptSQL) tk.MustExec(t.ntSQL) @@ -2035,6 +2045,7 @@ func (s *testIntegrationSuite4) TestExchangePartitionTableCompatiable(c *C) { tk.MustExec(t.exchangeSQL) } } + tk.Se.GetSessionVars().SetSystemVar("tidb_enable_exchange_partition", "0") } func (s *testIntegrationSuite7) TestExchangePartitionExpressIndex(c *C) { @@ -2043,6 +2054,8 @@ func (s *testIntegrationSuite7) TestExchangePartitionExpressIndex(c *C) { }) tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") + tk.MustExec("set @@tidb_enable_exchange_partition=1") + defer tk.MustExec("set @@tidb_enable_exchange_partition=0") tk.MustExec("drop table if exists pt1;") tk.MustExec("create table pt1(a int, b int, c int) PARTITION BY hash (a) partitions 1;") tk.MustExec("alter table pt1 add index idx((a+c));") @@ -3172,6 +3185,8 @@ func (s *testIntegrationSuite7) TestCommitWhenSchemaChange(c *C) { )`) tk2 := testkit.NewTestKit(c, s.store) tk2.MustExec("use test") + tk2.MustExec("set @@tidb_enable_exchange_partition=1") + defer tk2.MustExec("set @@tidb_enable_exchange_partition=0") tk.MustExec("begin") tk.MustExec("insert into schema_change values (1, '2019-12-25 13:27:42')") diff --git a/ddl/db_test.go b/ddl/db_test.go index de12d9d70a5f5..470e9447a0db1 100644 --- a/ddl/db_test.go +++ b/ddl/db_test.go @@ -6541,6 +6541,7 @@ func (s *testDBSuite4) TestIssue22207(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test;") tk.MustExec("set @@session.tidb_enable_table_partition = nightly;") + tk.MustExec("set @@session.tidb_enable_exchange_partition = 1;") tk.MustExec("drop table if exists t1;") tk.MustExec("drop table if exists t2;") tk.MustExec("create table t1(id char(10)) partition by list columns(id) (partition p0 values in ('a'), partition p1 values in ('b'));") @@ -6560,4 +6561,5 @@ func (s *testDBSuite4) TestIssue22207(c *C) { tk.MustExec("ALTER TABLE t1 EXCHANGE PARTITION p0 WITH TABLE t2;") tk.MustQuery("select * from t2").Check(testkit.Rows("1", "2", "3")) c.Assert(len(tk.MustQuery("select * from t1").Rows()), Equals, 0) + tk.MustExec("set @@session.tidb_enable_exchange_partition = 0;") } diff --git a/ddl/ddl_api.go b/ddl/ddl_api.go index 429ebaf1a9525..d27cb3213156f 100644 --- a/ddl/ddl_api.go +++ b/ddl/ddl_api.go @@ -3158,6 +3158,10 @@ func checkExchangePartition(pt *model.TableInfo, nt *model.TableInfo) error { } func (d *ddl) ExchangeTablePartition(ctx sessionctx.Context, ident ast.Ident, spec *ast.AlterTableSpec) error { + if !ctx.GetSessionVars().TiDBEnableExchangePartition { + ctx.GetSessionVars().StmtCtx.AppendWarning(errExchangePartitionDisabled) + return nil + } ptSchema, pt, err := d.getSchemaAndTableByIdent(ctx, ident) if err != nil { return errors.Trace(err) diff --git a/ddl/ddl_worker_test.go b/ddl/ddl_worker_test.go index 7c74ae1ec1dcf..a55e379777d17 100644 --- a/ddl/ddl_worker_test.go +++ b/ddl/ddl_worker_test.go @@ -584,6 +584,8 @@ func (s *testDDLSerialSuite) TestCancelJob(c *C) { ctx := testNewContext(d) err := ctx.NewTxn(context.Background()) c.Assert(err, IsNil) + ctx.GetSessionVars().SetSystemVar("tidb_enable_exchange_partition", "1") + defer ctx.GetSessionVars().SetSystemVar("tidb_enable_exchange_partition", "0") testCreateTable(c, ctx, d, dbInfo, partitionTblInfo) tableAutoID := int64(100) shardRowIDBits := uint64(5) diff --git a/ddl/error.go b/ddl/error.go index 044e9977b9b45..45dd97d57a203 100644 --- a/ddl/error.go +++ b/ddl/error.go @@ -273,4 +273,6 @@ var ( // ErrUnknownEngine is returned when the table engine is unknown. ErrUnknownEngine = dbterror.ClassDDL.NewStd(mysql.ErrUnknownStorageEngine) + + errExchangePartitionDisabled = dbterror.ClassDDL.NewStdErr(mysql.ErrUnsupportedDDLOperation, parser_mysql.Message("Exchange Partition is disabled, please set 'tidb_enable_exchange_partition' if you need to need to enable it", nil)) ) diff --git a/ddl/failtest/fail_db_test.go b/ddl/failtest/fail_db_test.go index 1d393d0549962..100604baee501 100644 --- a/ddl/failtest/fail_db_test.go +++ b/ddl/failtest/fail_db_test.go @@ -160,6 +160,8 @@ func (s *testFailDBSuite) TestHalfwayCancelOperations(c *C) { tk.MustExec("insert into pt values(1), (3), (5)") tk.MustExec("create table nt(a int)") tk.MustExec("insert into nt values(7)") + tk.MustExec("set @@tidb_enable_exchange_partition=1") + defer tk.MustExec("set @@tidb_enable_exchange_partition=0") _, err = tk.Exec("alter table pt exchange partition p1 with table nt") c.Assert(err, NotNil) diff --git a/ddl/placement_sql_test.go b/ddl/placement_sql_test.go index d1397208d4de5..15607a0243050 100644 --- a/ddl/placement_sql_test.go +++ b/ddl/placement_sql_test.go @@ -374,7 +374,9 @@ func (s *testDBSuite1) TestPlacementPolicyCache(c *C) { tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") tk.Se.GetSessionVars().EnableAlterPlacement = true + tk.MustExec("set @@tidb_enable_exchange_partition = 1") defer func() { + tk.MustExec("set @@tidb_enable_exchange_partition = 0") tk.MustExec("drop table if exists t1") tk.MustExec("drop table if exists t2") tk.Se.GetSessionVars().EnableAlterPlacement = false diff --git a/ddl/serial_test.go b/ddl/serial_test.go index 2a28ec960847d..f0b7e2f88f05c 100644 --- a/ddl/serial_test.go +++ b/ddl/serial_test.go @@ -1169,6 +1169,9 @@ func (s *testSerialSuite) TestAutoRandomExchangePartition(c *C) { tk.MustExec("use auto_random_db") + tk.MustExec("set @@tidb_enable_exchange_partition=1") + defer tk.MustExec("set @@tidb_enable_exchange_partition=0") + tk.MustExec("drop table if exists e1, e2, e3, e4;") tk.MustExec("create table e1 (a bigint primary key auto_random(3)) partition by hash(a) partitions 1;") diff --git a/session/session.go b/session/session.go index 1533995b45624..db449bb7caa4f 100644 --- a/session/session.go +++ b/session/session.go @@ -2620,6 +2620,7 @@ var builtinGlobalVariable = []string{ variable.TiDBEnableIndexMergeJoin, variable.TiDBTrackAggregateMemoryUsage, variable.TiDBMultiStatementMode, + variable.TiDBEnableExchangePartition, } var ( diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 322c7755731b0..09fad0bd0fe75 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -805,6 +805,9 @@ type SessionVars struct { // TrackAggregateMemoryUsage indicates whether to track the memory usage of aggregate function. TrackAggregateMemoryUsage bool + + // TiDBEnableExchangePartition indicates whether to enable exchange partition + TiDBEnableExchangePartition bool } // CheckAndGetTxnScope will return the transaction scope we should use in the current session. @@ -1691,6 +1694,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.TrackAggregateMemoryUsage = TiDBOptOn(val) case TiDBMultiStatementMode: s.MultiStatementMode = TiDBOptMultiStmt(val) + case TiDBEnableExchangePartition: + s.TiDBEnableExchangePartition = TiDBOptOn(val) } s.systems[name] = val return nil diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 68c4a20f711aa..5cc2d61bd3c2a 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -751,6 +751,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableIndexMergeJoin, Value: BoolToOnOff(DefTiDBEnableIndexMergeJoin), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBTrackAggregateMemoryUsage, Value: BoolToOnOff(DefTiDBTrackAggregateMemoryUsage), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBMultiStatementMode, Value: Off, Type: TypeEnum, PossibleValues: []string{Off, On, Warn}}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableExchangePartition, Value: BoolToOnOff(DefTiDBEnableExchangePartition), Type: TypeBool}, /* tikv gc metrics */ {Scope: ScopeGlobal, Name: TiDBGCEnable, Value: BoolOn, Type: TypeBool}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 5986c633b0c14..270ec94a75e4f 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -520,6 +520,9 @@ const ( // TiDBTrackAggregateMemoryUsage indicates whether track the memory usage of aggregate function. TiDBTrackAggregateMemoryUsage = "tidb_track_aggregate_memory_usage" + + // TiDBEnableExchangePartition indicates whether to enable exchange partition. + TiDBEnableExchangePartition = "tidb_enable_exchange_partition" ) // TiDB vars that have only global scope @@ -659,6 +662,7 @@ const ( DefTiDBAnalyzeVersion = 1 DefTiDBEnableIndexMergeJoin = false DefTiDBTrackAggregateMemoryUsage = false + DefTiDBEnableExchangePartition = false ) // Process global variables. From feb9da846007f73af2b9786df11863373058ac71 Mon Sep 17 00:00:00 2001 From: disksing Date: Wed, 3 Feb 2021 21:28:36 -0600 Subject: [PATCH 0761/1021] store/tikv: prepare for moving coprocessor out (#22709) --- store/tikv/2pc.go | 2 +- store/tikv/backoff.go | 92 ++++++++++++++++++++++----------- store/tikv/backoff_test.go | 2 +- store/tikv/batch_coprocessor.go | 33 ++++++------ store/tikv/client_batch.go | 2 +- store/tikv/coprocessor.go | 59 ++++++++++----------- store/tikv/error.go | 4 +- store/tikv/lock_resolver.go | 3 +- store/tikv/mpp.go | 4 +- store/tikv/region_request.go | 35 ++++++++----- store/tikv/scan.go | 4 +- store/tikv/snapshot.go | 20 +++---- store/tikv/snapshot_test.go | 6 +-- 13 files changed, 156 insertions(+), 110 deletions(-) diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index b82b9da9e5cbd..4329c69625118 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -1042,7 +1042,7 @@ func (c *twoPhaseCommitter) cleanup(ctx context.Context) { failpoint.Return() }) - cleanupKeysCtx := context.WithValue(context.Background(), txnStartKey, ctx.Value(txnStartKey)) + cleanupKeysCtx := context.WithValue(context.Background(), TxnStartKey, ctx.Value(TxnStartKey)) err := c.cleanupMutations(NewBackofferWithVars(cleanupKeysCtx, cleanupMaxBackoff, c.txn.vars), c.mutations) if err != nil { tikvSecondaryLockCleanupFailureCounterRollback.Inc() diff --git a/store/tikv/backoff.go b/store/tikv/backoff.go index 15856dd676fca..0dd4ecf34cdb0 100644 --- a/store/tikv/backoff.go +++ b/store/tikv/backoff.go @@ -56,14 +56,14 @@ var ( tikvBackoffHistogramEmpty = metrics.TiKVBackoffHistogram.WithLabelValues("") ) -func (t backoffType) metric() prometheus.Observer { +func (t BackoffType) metric() prometheus.Observer { switch t { // TODO: distinguish tikv and tiflash in metrics - case boTiKVRPC, boTiFlashRPC: + case BoTiKVRPC, BoTiFlashRPC: return tikvBackoffHistogramRPC case BoTxnLock: return tikvBackoffHistogramLock - case boTxnLockFast: + case BoTxnLockFast: return tikvBackoffHistogramLockFast case BoPDRPC: return tikvBackoffHistogramPD @@ -125,14 +125,15 @@ func expo(base, cap, n int) int { return int(math.Min(float64(cap), float64(base)*math.Pow(2.0, float64(n)))) } -type backoffType int +// BackoffType defines the backoff type. +type BackoffType int // Back off types. const ( - boTiKVRPC backoffType = iota - boTiFlashRPC + BoTiKVRPC BackoffType = iota + BoTiFlashRPC BoTxnLock - boTxnLockFast + BoTxnLockFast BoPDRPC BoRegionMiss boTiKVServerBusy @@ -142,16 +143,16 @@ const ( boMaxTsNotSynced ) -func (t backoffType) createFn(vars *kv.Variables) func(context.Context, int) int { +func (t BackoffType) createFn(vars *kv.Variables) func(context.Context, int) int { if vars.Hook != nil { vars.Hook(t.String(), vars) } switch t { - case boTiKVRPC, boTiFlashRPC: + case BoTiKVRPC, BoTiFlashRPC: return NewBackoffFn(100, 2000, EqualJitter) case BoTxnLock: return NewBackoffFn(200, 3000, EqualJitter) - case boTxnLockFast: + case BoTxnLockFast: return NewBackoffFn(vars.BackoffLockFast, 3000, EqualJitter) case BoPDRPC: return NewBackoffFn(500, 3000, EqualJitter) @@ -170,15 +171,15 @@ func (t backoffType) createFn(vars *kv.Variables) func(context.Context, int) int return nil } -func (t backoffType) String() string { +func (t BackoffType) String() string { switch t { - case boTiKVRPC: + case BoTiKVRPC: return "tikvRPC" - case boTiFlashRPC: + case BoTiFlashRPC: return "tiflashRPC" case BoTxnLock: return "txnLock" - case boTxnLockFast: + case BoTxnLockFast: return "txnLockFast" case BoPDRPC: return "pdRPC" @@ -198,13 +199,14 @@ func (t backoffType) String() string { return "" } -func (t backoffType) TError() error { +// TError returns pingcap/error of the backoff type. +func (t BackoffType) TError() error { switch t { - case boTiKVRPC: + case BoTiKVRPC: return ErrTiKVServerTimeout - case boTiFlashRPC: + case BoTiFlashRPC: return ErrTiFlashServerTimeout - case BoTxnLock, boTxnLockFast, boTxnNotFound: + case BoTxnLock, BoTxnLockFast, boTxnNotFound: return ErrResolveLockTimeout case BoPDRPC: return ErrPDServerTimeout @@ -256,7 +258,7 @@ var ( type Backoffer struct { ctx context.Context - fn map[backoffType]func(context.Context, int) int + fn map[BackoffType]func(context.Context, int) int maxSleep int totalSleep int errors []error @@ -264,14 +266,14 @@ type Backoffer struct { vars *kv.Variables noop bool - backoffSleepMS map[backoffType]int - backoffTimes map[backoffType]int + backoffSleepMS map[BackoffType]int + backoffTimes map[BackoffType]int } type txnStartCtxKeyType struct{} -// txnStartKey is a key for transaction start_ts info in context.Context. -var txnStartKey = txnStartCtxKeyType{} +// TxnStartKey is a key for transaction start_ts info in context.Context. +var TxnStartKey interface{} = txnStartCtxKeyType{} // NewBackoffer (Deprecated) creates a Backoffer with maximum sleep time(in ms). func NewBackoffer(ctx context.Context, maxSleep int) *Backoffer { @@ -307,7 +309,7 @@ func (b *Backoffer) withVars(vars *kv.Variables) *Backoffer { // Backoff sleeps a while base on the backoffType and records the error message. // It returns a retryable error if total sleep time exceeds maxSleep. -func (b *Backoffer) Backoff(typ backoffType, err error) error { +func (b *Backoffer) Backoff(typ BackoffType, err error) error { if span := opentracing.SpanFromContext(b.ctx); span != nil && span.Tracer() != nil { span1 := span.Tracer().StartSpan(fmt.Sprintf("tikv.backoff.%s", typ), opentracing.ChildOf(span.Context())) defer span1.Finish() @@ -318,7 +320,7 @@ func (b *Backoffer) Backoff(typ backoffType, err error) error { // BackoffWithMaxSleep sleeps a while base on the backoffType and records the error message // and never sleep more than maxSleepMs for each sleep. -func (b *Backoffer) BackoffWithMaxSleep(typ backoffType, maxSleepMs int, err error) error { +func (b *Backoffer) BackoffWithMaxSleep(typ BackoffType, maxSleepMs int, err error) error { if strings.Contains(err.Error(), mismatchClusterID) { logutil.BgLogger().Fatal("critical error", zap.Error(err)) } @@ -340,12 +342,12 @@ func (b *Backoffer) BackoffWithMaxSleep(typ backoffType, maxSleepMs int, err err } logutil.BgLogger().Warn(errMsg) // Use the first backoff type to generate a MySQL error. - return b.types[0].(backoffType).TError() + return b.types[0].(BackoffType).TError() } // Lazy initialize. if b.fn == nil { - b.fn = make(map[backoffType]func(context.Context, int) int) + b.fn = make(map[BackoffType]func(context.Context, int) int) } f, ok := b.fn[typ] if !ok { @@ -357,11 +359,11 @@ func (b *Backoffer) BackoffWithMaxSleep(typ backoffType, maxSleepMs int, err err typ.metric().Observe(float64(realSleep) / 1000) b.totalSleep += realSleep if b.backoffSleepMS == nil { - b.backoffSleepMS = make(map[backoffType]int) + b.backoffSleepMS = make(map[BackoffType]int) } b.backoffSleepMS[typ] += realSleep if b.backoffTimes == nil { - b.backoffTimes = make(map[backoffType]int) + b.backoffTimes = make(map[BackoffType]int) } b.backoffTimes[typ]++ @@ -379,7 +381,7 @@ func (b *Backoffer) BackoffWithMaxSleep(typ backoffType, maxSleepMs int, err err } var startTs interface{} - if ts := b.ctx.Value(txnStartKey); ts != nil { + if ts := b.ctx.Value(TxnStartKey); ts != nil { startTs = ts } logutil.Logger(b.ctx).Debug("retry later", @@ -422,3 +424,33 @@ func (b *Backoffer) Fork() (*Backoffer, context.CancelFunc) { vars: b.vars, }, cancel } + +// GetVars returns the binded vars. +func (b *Backoffer) GetVars() *kv.Variables { + return b.vars +} + +// GetTotalSleep returns total sleep time. +func (b *Backoffer) GetTotalSleep() int { + return b.totalSleep +} + +// GetTypes returns type list. +func (b *Backoffer) GetTypes() []fmt.Stringer { + return b.types +} + +// GetCtx returns the binded context. +func (b *Backoffer) GetCtx() context.Context { + return b.ctx +} + +// GetBackoffTimes returns a map contains backoff time count by type. +func (b *Backoffer) GetBackoffTimes() map[BackoffType]int { + return b.backoffTimes +} + +// GetBackoffSleepMS returns a map contains backoff sleep time by type. +func (b *Backoffer) GetBackoffSleepMS() map[BackoffType]int { + return b.backoffSleepMS +} diff --git a/store/tikv/backoff_test.go b/store/tikv/backoff_test.go index 13b67944eb2a1..6713fd9984d55 100644 --- a/store/tikv/backoff_test.go +++ b/store/tikv/backoff_test.go @@ -37,7 +37,7 @@ func (s *testBackoffSuite) TearDownTest(c *C) { func (s *testBackoffSuite) TestBackoffWithMax(c *C) { b := NewBackofferWithVars(context.TODO(), 2000, nil) - err := b.BackoffWithMaxSleep(boTxnLockFast, 30, errors.New("test")) + err := b.BackoffWithMaxSleep(BoTxnLockFast, 30, errors.New("test")) c.Assert(err, IsNil) c.Assert(b.totalSleep, Equals, 30) } diff --git a/store/tikv/batch_coprocessor.go b/store/tikv/batch_coprocessor.go index bdbe861ea8a69..ab830381fe55d 100644 --- a/store/tikv/batch_coprocessor.go +++ b/store/tikv/batch_coprocessor.go @@ -169,9 +169,9 @@ func (c *CopClient) sendBatch(ctx context.Context, req *kv.Request, vars *kv.Var if req.KeepOrder || req.Desc { return copErrorResponse{errors.New("batch coprocessor cannot prove keep order or desc property")} } - ctx = context.WithValue(ctx, txnStartKey, req.StartTs) + ctx = context.WithValue(ctx, TxnStartKey, req.StartTs) bo := NewBackofferWithVars(ctx, copBuildTaskMaxBackoff, vars) - tasks, err := buildBatchCopTasks(bo, c.store.regionCache, NewKeyRanges(req.KeyRanges), req.StoreType) + tasks, err := buildBatchCopTasks(bo, c.store.GetRegionCache(), NewKeyRanges(req.KeyRanges), req.StoreType) if err != nil { return copErrorResponse{err} } @@ -182,9 +182,9 @@ func (c *CopClient) sendBatch(ctx context.Context, req *kv.Request, vars *kv.Var vars: vars, memTracker: req.MemTracker, clientHelper: clientHelper{ - LockResolver: c.store.lockResolver, - RegionCache: c.store.regionCache, - Client: c.store.client, + LockResolver: c.store.GetLockResolver(), + RegionCache: c.store.GetRegionCache(), + Client: c.store.GetTiKVClient(), minCommitTSPushed: &minCommitTSPushed{data: make(map[uint64]struct{}, 5)}, }, rpcCancel: NewRPCanceller(), @@ -321,14 +321,14 @@ func (b *batchCopIterator) retryBatchCopTask(ctx context.Context, bo *Backoffer, } func (b *batchCopIterator) handleTaskOnce(ctx context.Context, bo *Backoffer, task *batchCopTask) ([]*batchCopTask, error) { - sender := NewRegionBatchRequestSender(b.store.regionCache, b.store.client) + sender := NewRegionBatchRequestSender(b.store.GetRegionCache(), b.store.GetTiKVClient()) var regionInfos []*coprocessor.RegionInfo for _, task := range task.copTasks { regionInfos = append(regionInfos, &coprocessor.RegionInfo{ - RegionId: task.task.region.id, + RegionId: task.task.region.GetID(), RegionEpoch: &metapb.RegionEpoch{ - ConfVer: task.task.region.confVer, - Version: task.task.region.ver, + ConfVer: task.task.region.GetConfVer(), + Version: task.task.region.GetVer(), }, Ranges: task.task.ranges.ToPBRanges(), }) @@ -383,7 +383,7 @@ func (b *batchCopIterator) handleStreamedBatchCopResponse(ctx context.Context, b return nil } - if err1 := bo.Backoff(boTiKVRPC, errors.Errorf("recv stream response error: %v, task store addr: %s", err, task.storeAddr)); err1 != nil { + if err1 := bo.Backoff(BoTiKVRPC, errors.Errorf("recv stream response error: %v, task store addr: %s", err, task.storeAddr)); err1 != nil { return errors.Trace(err) } @@ -413,13 +413,14 @@ func (b *batchCopIterator) handleBatchCopResponse(bo *Backoffer, response *copro detail: new(CopRuntimeStats), } - resp.detail.BackoffTime = time.Duration(bo.totalSleep) * time.Millisecond - resp.detail.BackoffSleep = make(map[string]time.Duration, len(bo.backoffTimes)) - resp.detail.BackoffTimes = make(map[string]int, len(bo.backoffTimes)) - for backoff := range bo.backoffTimes { + backoffTimes := bo.GetBackoffTimes() + resp.detail.BackoffTime = time.Duration(bo.GetTotalSleep()) * time.Millisecond + resp.detail.BackoffSleep = make(map[string]time.Duration, len(backoffTimes)) + resp.detail.BackoffTimes = make(map[string]int, len(backoffTimes)) + for backoff := range backoffTimes { backoffName := backoff.String() - resp.detail.BackoffTimes[backoffName] = bo.backoffTimes[backoff] - resp.detail.BackoffSleep[backoffName] = time.Duration(bo.backoffSleepMS[backoff]) * time.Millisecond + resp.detail.BackoffTimes[backoffName] = backoffTimes[backoff] + resp.detail.BackoffSleep[backoffName] = time.Duration(bo.GetBackoffSleepMS()[backoff]) * time.Millisecond } resp.detail.CalleeAddress = task.storeAddr diff --git a/store/tikv/client_batch.go b/store/tikv/client_batch.go index ccee82c26361d..5f36df341613e 100644 --- a/store/tikv/client_batch.go +++ b/store/tikv/client_batch.go @@ -405,7 +405,7 @@ func (c *batchCommandsClient) reCreateStreamingClient(err error) (stopped bool) break } - err2 := b.Backoff(boTiKVRPC, err1) + err2 := b.Backoff(BoTiKVRPC, err1) // As timeout is set to math.MaxUint32, err2 should always be nil. // This line is added to make the 'make errcheck' pass. terror.Log(err2) diff --git a/store/tikv/coprocessor.go b/store/tikv/coprocessor.go index 8065c5fbd6e8a..5d79ca984a8eb 100644 --- a/store/tikv/coprocessor.go +++ b/store/tikv/coprocessor.go @@ -63,9 +63,9 @@ func (c *CopClient) Send(ctx context.Context, req *kv.Request, vars *kv.Variable logutil.BgLogger().Debug("send batch requests") return c.sendBatch(ctx, req, vars) } - ctx = context.WithValue(ctx, txnStartKey, req.StartTs) + ctx = context.WithValue(ctx, TxnStartKey, req.StartTs) bo := NewBackofferWithVars(ctx, copBuildTaskMaxBackoff, vars) - tasks, err := buildCopTasks(bo, c.store.regionCache, NewKeyRanges(req.KeyRanges), req) + tasks, err := buildCopTasks(bo, c.store.GetRegionCache(), NewKeyRanges(req.KeyRanges), req) if err != nil { return copErrorResponse{err} } @@ -128,7 +128,7 @@ type copTask struct { func (r *copTask) String() string { return fmt.Sprintf("region(%d %d %d) ranges(%d) store(%s)", - r.region.id, r.region.confVer, r.region.ver, r.ranges.Len(), r.storeAddr) + r.region.GetID(), r.region.GetConfVer(), r.region.GetVer(), r.ranges.Len(), r.storeAddr) } // rangesPerTask limits the length of the ranges slice sent in one copTask. @@ -393,10 +393,10 @@ func (it *copIterator) open(ctx context.Context, enabledRateLimitAction bool) { finishCh: it.finishCh, vars: it.vars, clientHelper: clientHelper{ - LockResolver: it.store.lockResolver, - RegionCache: it.store.regionCache, + LockResolver: it.store.GetLockResolver(), + RegionCache: it.store.GetRegionCache(), minCommitTSPushed: &it.minCommitTSPushed, - Client: it.store.client, + Client: it.store.GetTiKVClient(), }, memTracker: it.memTracker, replicaReadSeed: it.replicaReadSeed, @@ -601,12 +601,12 @@ func (it *copIterator) Next(ctx context.Context) (kv.ResultSubset, error) { // Associate each region with an independent backoffer. In this way, when multiple regions are // unavailable, TiDB can execute very quickly without blocking func chooseBackoffer(ctx context.Context, backoffermap map[uint64]*Backoffer, task *copTask, worker *copIteratorWorker) *Backoffer { - bo, ok := backoffermap[task.region.id] + bo, ok := backoffermap[task.region.GetID()] if ok { return bo } newbo := NewBackofferWithVars(ctx, copNextMaxBackoff, worker.vars) - backoffermap[task.region.id] = newbo + backoffermap[task.region.GetID()] = newbo return newbo } @@ -635,7 +635,7 @@ func (worker *copIteratorWorker) handleTask(ctx context.Context, task *copTask, return } // test whether the ctx is cancelled - if bo.vars != nil && bo.vars.Killed != nil && atomic.LoadUint32(bo.vars.Killed) == 1 { + if vars := bo.GetVars(); vars != nil && vars.Killed != nil && atomic.LoadUint32(vars.Killed) == 1 { return } @@ -779,11 +779,11 @@ func (ch *clientHelper) ResolveLocks(bo *Backoffer, callerStartTS uint64, locks var msBeforeTxnExpired int64 if ch.Stats != nil { defer func(start time.Time) { - recordRegionRequestRuntimeStats(ch.Stats, tikvrpc.CmdResolveLock, time.Since(start)) + RecordRegionRequestRuntimeStats(ch.Stats, tikvrpc.CmdResolveLock, time.Since(start)) }(time.Now()) } if ch.resolveLite { - msBeforeTxnExpired, resolvedLocks, err = ch.LockResolver.resolveLocksLite(bo, callerStartTS, locks) + msBeforeTxnExpired, resolvedLocks, err = ch.LockResolver.ResolveLocksLite(bo, callerStartTS, locks) } else { msBeforeTxnExpired, resolvedLocks, err = ch.LockResolver.ResolveLocks(bo, callerStartTS, locks) } @@ -801,12 +801,12 @@ func (ch *clientHelper) ResolveLocks(bo *Backoffer, callerStartTS uint64, locks func (ch *clientHelper) SendReqCtx(bo *Backoffer, req *tikvrpc.Request, regionID RegionVerID, timeout time.Duration, sType kv.StoreType, directStoreAddr string) (*tikvrpc.Response, *RPCContext, string, error) { sender := NewRegionRequestSender(ch.RegionCache, ch.Client) if len(directStoreAddr) > 0 { - sender.storeAddr = directStoreAddr + sender.SetStoreAddr(directStoreAddr) } sender.Stats = ch.Stats req.Context.ResolvedLocks = ch.minCommitTSPushed.Get() resp, ctx, err := sender.SendReqCtx(bo, req, regionID, timeout, sType) - return resp, ctx, sender.storeAddr, err + return resp, ctx, sender.GetStoreAddr(), err } const ( @@ -816,9 +816,9 @@ const ( func (worker *copIteratorWorker) logTimeCopTask(costTime time.Duration, task *copTask, bo *Backoffer, resp *tikvrpc.Response) { logStr := fmt.Sprintf("[TIME_COP_PROCESS] resp_time:%s txnStartTS:%d region_id:%d store_addr:%s", costTime, worker.req.StartTs, task.region.id, task.storeAddr) - if bo.totalSleep > minLogBackoffTime { - backoffTypes := strings.Replace(fmt.Sprintf("%v", bo.types), " ", ",", -1) - logStr += fmt.Sprintf(" backoff_ms:%d backoff_types:%s", bo.totalSleep, backoffTypes) + if bo.GetTotalSleep() > minLogBackoffTime { + backoffTypes := strings.Replace(fmt.Sprintf("%v", bo.GetTypes()), " ", ",", -1) + logStr += fmt.Sprintf(" backoff_ms:%d backoff_types:%s", bo.GetTotalSleep(), backoffTypes) } var detailV2 *kvrpcpb.ExecDetailsV2 var detail *kvrpcpb.ExecDetails @@ -865,7 +865,7 @@ func (worker *copIteratorWorker) logTimeCopTask(costTime time.Duration, task *co logStr = appendScanDetail(logStr, "data", detail.ScanDetail.Data) logStr = appendScanDetail(logStr, "lock", detail.ScanDetail.Lock) } - logutil.Logger(bo.ctx).Info(logStr) + logutil.Logger(bo.GetCtx()).Info(logStr) } func appendScanDetail(logStr string, columnFamily string, scanInfo *kvrpcpb.ScanInfo) string { @@ -896,9 +896,9 @@ func (worker *copIteratorWorker) handleCopStreamResult(bo *Backoffer, rpcCtx *RP return nil, nil } - boRPCType := boTiKVRPC + boRPCType := BoTiKVRPC if task.storeType == kv.TiFlash { - boRPCType = boTiFlashRPC + boRPCType = BoTiFlashRPC } if err1 := bo.Backoff(boRPCType, errors.Errorf("recv stream response error: %v, task: %s", err, task)); err1 != nil { return nil, errors.Trace(err) @@ -930,12 +930,12 @@ func (worker *copIteratorWorker) handleCopResponse(bo *Backoffer, rpcCtx *RPCCon return nil, nil } errStr := fmt.Sprintf("region_id:%v, region_ver:%v, store_type:%s, peer_addr:%s, error:%s", - task.region.id, task.region.ver, task.storeType.Name(), task.storeAddr, regionErr.String()) + task.region.GetID(), task.region.GetVer(), task.storeType.Name(), task.storeAddr, regionErr.String()) if err := bo.Backoff(BoRegionMiss, errors.New(errStr)); err != nil { return nil, errors.Trace(err) } // We may meet RegionError at the first packet, but not during visiting the stream. - return buildCopTasks(bo, worker.store.regionCache, task.ranges, worker.req) + return buildCopTasks(bo, worker.store.GetRegionCache(), task.ranges, worker.req) } if lockErr := resp.pbResp.GetLocked(); lockErr != nil { logutil.BgLogger().Debug("coprocessor encounters", @@ -945,7 +945,7 @@ func (worker *copIteratorWorker) handleCopResponse(bo *Backoffer, rpcCtx *RPCCon return nil, errors.Trace(err1) } if msBeforeExpired > 0 { - if err := bo.BackoffWithMaxSleep(boTxnLockFast, int(msBeforeExpired), errors.New(lockErr.String())); err != nil { + if err := bo.BackoffWithMaxSleep(BoTxnLockFast, int(msBeforeExpired), errors.New(lockErr.String())); err != nil { return nil, errors.Trace(err) } } @@ -955,7 +955,7 @@ func (worker *copIteratorWorker) handleCopResponse(bo *Backoffer, rpcCtx *RPCCon err := errors.Errorf("other error: %s", otherErr) logutil.BgLogger().Warn("other error", zap.Uint64("txnStartTS", worker.req.StartTs), - zap.Uint64("regionID", task.region.id), + zap.Uint64("regionID", task.region.GetID()), zap.String("storeAddr", task.storeAddr), zap.Error(err)) return nil, errors.Trace(err) @@ -971,13 +971,14 @@ func (worker *copIteratorWorker) handleCopResponse(bo *Backoffer, rpcCtx *RPCCon } resp.detail.Stats = worker.Stats worker.Stats = nil + backoffTimes := bo.GetBackoffTimes() resp.detail.BackoffTime = time.Duration(bo.totalSleep) * time.Millisecond - resp.detail.BackoffSleep = make(map[string]time.Duration, len(bo.backoffTimes)) - resp.detail.BackoffTimes = make(map[string]int, len(bo.backoffTimes)) - for backoff := range bo.backoffTimes { + resp.detail.BackoffSleep = make(map[string]time.Duration, len(backoffTimes)) + resp.detail.BackoffTimes = make(map[string]int, len(backoffTimes)) + for backoff := range backoffTimes { backoffName := backoff.String() - resp.detail.BackoffTimes[backoffName] = bo.backoffTimes[backoff] - resp.detail.BackoffSleep[backoffName] = time.Duration(bo.backoffSleepMS[backoff]) * time.Millisecond + resp.detail.BackoffTimes[backoffName] = backoffTimes[backoff] + resp.detail.BackoffSleep[backoffName] = time.Duration(bo.GetBackoffSleepMS()[backoff]) * time.Millisecond } if rpcCtx != nil { resp.detail.CalleeAddress = rpcCtx.Addr @@ -1082,7 +1083,7 @@ func (worker *copIteratorWorker) buildCopTasksFromRemain(bo *Backoffer, lastRang if worker.req.Streaming && lastRange != nil { remainedRanges = worker.calculateRemain(task.ranges, lastRange, worker.req.Desc) } - return buildCopTasks(bo, worker.store.regionCache, remainedRanges, worker.req) + return buildCopTasks(bo, worker.store.GetRegionCache(), remainedRanges, worker.req) } // calculateRemain splits the input ranges into two, and take one of them according to desc flag. diff --git a/store/tikv/error.go b/store/tikv/error.go index 22b3799248909..a93adc16ea6ca 100644 --- a/store/tikv/error.go +++ b/store/tikv/error.go @@ -24,8 +24,8 @@ import ( var ( // ErrBodyMissing response body is missing error ErrBodyMissing = errors.New("response body is missing") - // When TiDB is closing and send request to tikv fail, do not retry, return this error. - errTiDBShuttingDown = errors.New("tidb server shutting down") + // ErrTiDBShuttingDown is returned when TiDB is closing and send request to tikv fail, do not retry. + ErrTiDBShuttingDown = errors.New("tidb server shutting down") ) // mismatchClusterID represents the message that the cluster ID of the PD client does not match the PD. diff --git a/store/tikv/lock_resolver.go b/store/tikv/lock_resolver.go index 19175314cc1e7..65b0720cd6eb1 100644 --- a/store/tikv/lock_resolver.go +++ b/store/tikv/lock_resolver.go @@ -346,7 +346,8 @@ func (lr *LockResolver) ResolveLocks(bo *Backoffer, callerStartTS uint64, locks return lr.resolveLocks(bo, callerStartTS, locks, false, false) } -func (lr *LockResolver) resolveLocksLite(bo *Backoffer, callerStartTS uint64, locks []*Lock) (int64, []uint64 /*pushed*/, error) { +// ResolveLocksLite resolves locks while preventing scan whole region. +func (lr *LockResolver) ResolveLocksLite(bo *Backoffer, callerStartTS uint64, locks []*Lock) (int64, []uint64 /*pushed*/, error) { return lr.resolveLocks(bo, callerStartTS, locks, false, true) } diff --git a/store/tikv/mpp.go b/store/tikv/mpp.go index 48b378c6259da..bc51260429cab 100644 --- a/store/tikv/mpp.go +++ b/store/tikv/mpp.go @@ -56,7 +56,7 @@ func (c *MPPClient) selectAllTiFlashStore() []kv.MPPTaskMeta { // ConstructMPPTasks receives ScheduleRequest, which are actually collects of kv ranges. We allocates MPPTaskMeta for them and returns. func (c *MPPClient) ConstructMPPTasks(ctx context.Context, req *kv.MPPBuildTasksRequest) ([]kv.MPPTaskMeta, error) { - ctx = context.WithValue(ctx, txnStartKey, req.StartTS) + ctx = context.WithValue(ctx, TxnStartKey, req.StartTS) bo := NewBackofferWithVars(ctx, copBuildTaskMaxBackoff, nil) if req.KeyRanges == nil { return c.selectAllTiFlashStore(), nil @@ -272,7 +272,7 @@ func (m *mppIterator) establishMPPConns(bo *Backoffer, req *kv.MPPDispatchReques return } - if err1 := bo.Backoff(boTiKVRPC, errors.Errorf("recv stream response error: %v", err)); err1 != nil { + if err1 := bo.Backoff(BoTiKVRPC, errors.Errorf("recv stream response error: %v", err)); err1 != nil { if errors.Cause(err) == context.Canceled { logutil.BgLogger().Info("stream recv timeout", zap.Error(err)) } else { diff --git a/store/tikv/region_request.go b/store/tikv/region_request.go index f7588e4346c9c..47e66bc5e2df4 100644 --- a/store/tikv/region_request.go +++ b/store/tikv/region_request.go @@ -154,7 +154,7 @@ func (ss *RegionBatchRequestSender) sendStreamReqToAddr(bo *Backoffer, ctxs []co start := time.Now() resp, err = ss.client.SendRequest(ctx, rpcCtx.Addr, req, timout) if ss.Stats != nil { - recordRegionRequestRuntimeStats(ss.Stats, req.Type, time.Since(start)) + RecordRegionRequestRuntimeStats(ss.Stats, req.Type, time.Since(start)) } if err != nil { cancel() @@ -169,7 +169,8 @@ func (ss *RegionBatchRequestSender) sendStreamReqToAddr(bo *Backoffer, ctxs []co return } -func recordRegionRequestRuntimeStats(stats map[tikvrpc.CmdType]*RPCRuntimeStats, cmd tikvrpc.CmdType, d time.Duration) { +// RecordRegionRequestRuntimeStats records request runtime stats. +func RecordRegionRequestRuntimeStats(stats map[tikvrpc.CmdType]*RPCRuntimeStats, cmd tikvrpc.CmdType, d time.Duration) { stat, ok := stats[cmd] if !ok { stats[cmd] = &RPCRuntimeStats{ @@ -187,13 +188,13 @@ func (ss *RegionBatchRequestSender) onSendFail(bo *Backoffer, ctxs []copTaskAndR if errors.Cause(err) == context.Canceled || status.Code(errors.Cause(err)) == codes.Canceled { return errors.Trace(err) } else if atomic.LoadUint32(&ShuttingDown) > 0 { - return errTiDBShuttingDown + return ErrTiDBShuttingDown } for _, failedCtx := range ctxs { ctx := failedCtx.ctx if ctx.Meta != nil { - ss.regionCache.OnSendFail(bo, ctx, ss.needReloadRegion(ctx), err) + ss.regionCache.OnSendFail(bo, ctx, ss.NeedReloadRegion(ctx), err) } } @@ -201,7 +202,7 @@ func (ss *RegionBatchRequestSender) onSendFail(bo *Backoffer, ctxs []copTaskAndR // When a store is not available, the leader of related region should be elected quickly. // TODO: the number of retry time should be limited:since region may be unavailable // when some unrecoverable disaster happened. - err = bo.Backoff(boTiKVRPC, errors.Errorf("send tikv request error: %v, ctxs: %v, try next peer later", err, ctxs)) + err = bo.Backoff(BoTiKVRPC, errors.Errorf("send tikv request error: %v, ctxs: %v, try next peer later", err, ctxs)) return errors.Trace(err) } @@ -213,6 +214,16 @@ func NewRegionRequestSender(regionCache *RegionCache, client Client) *RegionRequ } } +// SetStoreAddr specifies the dest store address. +func (s *RegionRequestSender) SetStoreAddr(addr string) { + s.storeAddr = addr +} + +// GetStoreAddr returns the dest store address. +func (s *RegionRequestSender) GetStoreAddr() string { + return s.storeAddr +} + // SendReq sends a request to tikv server. func (s *RegionRequestSender) SendReq(bo *Backoffer, req *tikvrpc.Request, regionID RegionVerID, timeout time.Duration) (*tikvrpc.Response, error) { resp, _, err := s.SendReqCtx(bo, req, regionID, timeout, kv.TiKV) @@ -454,7 +465,7 @@ func (s *RegionRequestSender) sendReqToRegion(bo *Backoffer, rpcCtx *RPCContext, start := time.Now() resp, err = s.client.SendRequest(ctx, rpcCtx.Addr, req, timeout) if s.Stats != nil { - recordRegionRequestRuntimeStats(s.Stats, req.Type, time.Since(start)) + RecordRegionRequestRuntimeStats(s.Stats, req.Type, time.Since(start)) failpoint.Inject("tikvStoreRespResult", func(val failpoint.Value) { if val.(bool) { if req.Type == tikvrpc.CmdCop && bo.totalSleep == 0 { @@ -559,7 +570,7 @@ func (s *RegionRequestSender) onSendFail(bo *Backoffer, ctx *RPCContext, err err if errors.Cause(err) == context.Canceled { return errors.Trace(err) } else if atomic.LoadUint32(&ShuttingDown) > 0 { - return errTiDBShuttingDown + return ErrTiDBShuttingDown } if status.Code(errors.Cause(err)) == codes.Canceled { select { @@ -574,7 +585,7 @@ func (s *RegionRequestSender) onSendFail(bo *Backoffer, ctx *RPCContext, err err } if ctx.Meta != nil { - s.regionCache.OnSendFail(bo, ctx, s.needReloadRegion(ctx), err) + s.regionCache.OnSendFail(bo, ctx, s.NeedReloadRegion(ctx), err) } // Retry on send request failure when it's not canceled. @@ -582,15 +593,15 @@ func (s *RegionRequestSender) onSendFail(bo *Backoffer, ctx *RPCContext, err err // TODO: the number of retry time should be limited:since region may be unavailable // when some unrecoverable disaster happened. if ctx.Store != nil && ctx.Store.storeType == kv.TiFlash { - err = bo.Backoff(boTiFlashRPC, errors.Errorf("send tiflash request error: %v, ctx: %v, try next peer later", err, ctx)) + err = bo.Backoff(BoTiFlashRPC, errors.Errorf("send tiflash request error: %v, ctx: %v, try next peer later", err, ctx)) } else { - err = bo.Backoff(boTiKVRPC, errors.Errorf("send tikv request error: %v, ctx: %v, try next peer later", err, ctx)) + err = bo.Backoff(BoTiKVRPC, errors.Errorf("send tikv request error: %v, ctx: %v, try next peer later", err, ctx)) } return errors.Trace(err) } -// needReloadRegion checks is all peers has sent failed, if so need reload. -func (s *RegionRequestSender) needReloadRegion(ctx *RPCContext) (need bool) { +// NeedReloadRegion checks is all peers has sent failed, if so need reload. +func (s *RegionRequestSender) NeedReloadRegion(ctx *RPCContext) (need bool) { if s.failStoreIDs == nil { s.failStoreIDs = make(map[uint64]struct{}) } diff --git a/store/tikv/scan.go b/store/tikv/scan.go index 12700dd75d2f7..0889714db9ece 100644 --- a/store/tikv/scan.go +++ b/store/tikv/scan.go @@ -86,7 +86,7 @@ func (s *Scanner) Value() []byte { // Next return next element. func (s *Scanner) Next() error { - bo := NewBackofferWithVars(context.WithValue(context.Background(), txnStartKey, s.snapshot.version.Ver), scannerNextMaxBackoff, s.snapshot.vars) + bo := NewBackofferWithVars(context.WithValue(context.Background(), TxnStartKey, s.snapshot.version.Ver), scannerNextMaxBackoff, s.snapshot.vars) if !s.valid { return errors.New("scanner iterator is invalid") } @@ -250,7 +250,7 @@ func (s *Scanner) getData(bo *Backoffer) error { return errors.Trace(err) } if msBeforeExpired > 0 { - err = bo.BackoffWithMaxSleep(boTxnLockFast, int(msBeforeExpired), errors.Errorf("key is locked during scanning")) + err = bo.BackoffWithMaxSleep(BoTxnLockFast, int(msBeforeExpired), errors.Errorf("key is locked during scanning")) if err != nil { return errors.Trace(err) } diff --git a/store/tikv/snapshot.go b/store/tikv/snapshot.go index f4221048b1ea6..3603c84d2b05b 100644 --- a/store/tikv/snapshot.go +++ b/store/tikv/snapshot.go @@ -145,7 +145,7 @@ func (s *tikvSnapshot) BatchGet(ctx context.Context, keys []kv.Key) (map[string] // We want [][]byte instead of []kv.Key, use some magic to save memory. bytesKeys := *(*[][]byte)(unsafe.Pointer(&keys)) - ctx = context.WithValue(ctx, txnStartKey, s.version.Ver) + ctx = context.WithValue(ctx, TxnStartKey, s.version.Ver) bo := NewBackofferWithVars(ctx, batchGetMaxBackoff, s.vars) // Create a map to collect key-values from region servers. @@ -348,7 +348,7 @@ func (s *tikvSnapshot) batchGetSingleRegion(bo *Backoffer, batch batchKeys, coll return errors.Trace(err) } if msBeforeExpired > 0 { - err = bo.BackoffWithMaxSleep(boTxnLockFast, int(msBeforeExpired), errors.Errorf("batchGet lockedKeys: %d", len(lockedKeys))) + err = bo.BackoffWithMaxSleep(BoTxnLockFast, int(msBeforeExpired), errors.Errorf("batchGet lockedKeys: %d", len(lockedKeys))) if err != nil { return errors.Trace(err) } @@ -371,7 +371,7 @@ func (s *tikvSnapshot) Get(ctx context.Context, k kv.Key) ([]byte, error) { tikvTxnCmdHistogramWithGet.Observe(time.Since(start).Seconds()) }(time.Now()) - ctx = context.WithValue(ctx, txnStartKey, s.version.Ver) + ctx = context.WithValue(ctx, TxnStartKey, s.version.Ver) bo := NewBackofferWithVars(ctx, getMaxBackoff, s.vars) val, err := s.get(ctx, bo, k) s.recordBackoffInfo(bo) @@ -473,7 +473,7 @@ func (s *tikvSnapshot) get(ctx context.Context, bo *Backoffer, k kv.Key) ([]byte return nil, errors.Trace(err) } if msBeforeExpired > 0 { - err = bo.BackoffWithMaxSleep(boTxnLockFast, int(msBeforeExpired), errors.New(keyErr.String())) + err = bo.BackoffWithMaxSleep(BoTxnLockFast, int(msBeforeExpired), errors.New(keyErr.String())) if err != nil { return nil, errors.Trace(err) } @@ -740,8 +740,8 @@ func (s *tikvSnapshot) mergeRegionRequestStats(stats map[tikvrpc.CmdType]*RPCRun // SnapshotRuntimeStats records the runtime stats of snapshot. type SnapshotRuntimeStats struct { rpcStats RegionRequestRuntimeStats - backoffSleepMS map[backoffType]int - backoffTimes map[backoffType]int + backoffSleepMS map[BackoffType]int + backoffTimes map[BackoffType]int scanDetail *execdetails.ScanDetail timeDetail *execdetails.TimeDetail } @@ -760,8 +760,8 @@ func (rs *SnapshotRuntimeStats) Clone() execdetails.RuntimeStats { } } if len(rs.backoffSleepMS) > 0 { - newRs.backoffSleepMS = make(map[backoffType]int) - newRs.backoffTimes = make(map[backoffType]int) + newRs.backoffSleepMS = make(map[BackoffType]int) + newRs.backoffTimes = make(map[BackoffType]int) for k, v := range rs.backoffSleepMS { newRs.backoffSleepMS[k] += v } @@ -786,10 +786,10 @@ func (rs *SnapshotRuntimeStats) Merge(other execdetails.RuntimeStats) { } if len(tmp.backoffSleepMS) > 0 { if rs.backoffSleepMS == nil { - rs.backoffSleepMS = make(map[backoffType]int) + rs.backoffSleepMS = make(map[BackoffType]int) } if rs.backoffTimes == nil { - rs.backoffTimes = make(map[backoffType]int) + rs.backoffTimes = make(map[BackoffType]int) } for k, v := range tmp.backoffSleepMS { rs.backoffSleepMS[k] += v diff --git a/store/tikv/snapshot_test.go b/store/tikv/snapshot_test.go index ca0d7748f047d..a764d13530a16 100644 --- a/store/tikv/snapshot_test.go +++ b/store/tikv/snapshot_test.go @@ -304,14 +304,14 @@ func (s *testSnapshotSuite) TestSnapshotThreadSafe(c *C) { func (s *testSnapshotSuite) TestSnapshotRuntimeStats(c *C) { reqStats := NewRegionRequestRuntimeStats() - recordRegionRequestRuntimeStats(reqStats.Stats, tikvrpc.CmdGet, time.Second) - recordRegionRequestRuntimeStats(reqStats.Stats, tikvrpc.CmdGet, time.Millisecond) + RecordRegionRequestRuntimeStats(reqStats.Stats, tikvrpc.CmdGet, time.Second) + RecordRegionRequestRuntimeStats(reqStats.Stats, tikvrpc.CmdGet, time.Millisecond) snapshot := newTiKVSnapshot(s.store, kv.Version{Ver: 0}, 0) snapshot.SetOption(kv.CollectRuntimeStats, &SnapshotRuntimeStats{}) snapshot.mergeRegionRequestStats(reqStats.Stats) snapshot.mergeRegionRequestStats(reqStats.Stats) bo := NewBackofferWithVars(context.Background(), 2000, nil) - err := bo.BackoffWithMaxSleep(boTxnLockFast, 30, errors.New("test")) + err := bo.BackoffWithMaxSleep(BoTxnLockFast, 30, errors.New("test")) c.Assert(err, IsNil) snapshot.recordBackoffInfo(bo) snapshot.recordBackoffInfo(bo) From 93d3d04092e5f33618c1e53dc7665b8b0fe7ac9e Mon Sep 17 00:00:00 2001 From: Song Gao Date: Thu, 4 Feb 2021 11:48:45 +0800 Subject: [PATCH 0762/1021] executor: support checking schemaVer before staleness transaction begins (#22679) --- executor/executor_test.go | 49 +++++++++++++++++++++++++++++++++++++++ executor/simple.go | 22 ++++++++++++++++++ session/session_test.go | 4 ++++ 3 files changed, 75 insertions(+) diff --git a/executor/executor_test.go b/executor/executor_test.go index d34d4b486aa5b..c1d357b71e27c 100644 --- a/executor/executor_test.go +++ b/executor/executor_test.go @@ -7487,6 +7487,8 @@ func (s *testSuite) TestIssue15563(c *C) { } func (s *testSuite) TestStalenessTransaction(c *C) { + c.Assert(failpoint.Enable("github.com/pingcap/tidb/executor/mockStalenessTxnSchemaVer", "return(false)"), IsNil) + defer failpoint.Disable("github.com/pingcap/tidb/executor/mockStalenessTxnSchemaVer") testcases := []struct { name string preSQL string @@ -7562,6 +7564,8 @@ func (s *testSuite) TestStalenessTransaction(c *C) { } func (s *testSuite) TestStalenessAndHistoryRead(c *C) { + c.Assert(failpoint.Enable("github.com/pingcap/tidb/executor/mockStalenessTxnSchemaVer", "return(false)"), IsNil) + defer failpoint.Disable("github.com/pingcap/tidb/executor/mockStalenessTxnSchemaVer") tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") // For mocktikv, safe point is not initialized, we manually insert it for snapshot to use. @@ -7607,3 +7611,48 @@ func (s *testSuite) TestIssue22201(c *C) { tk.MustQuery("SELECT HEX(WEIGHT_STRING('ab' AS char(1000000000000000000)));").Check(testkit.Rows("")) tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1301 Result of weight_string() was larger than max_allowed_packet (67108864) - truncated")) } + +func (s *testSerialSuite) TestStalenessTransactionSchemaVer(c *C) { + testcases := []struct { + name string + sql string + expectErr error + }{ + { + name: "ddl change before stale txn", + sql: `START TRANSACTION READ ONLY WITH TIMESTAMP BOUND EXACT STALENESS '00:00:03'`, + expectErr: errors.New("schema version changed after the staleness startTS"), + }, + { + name: "ddl change before stale txn", + sql: fmt.Sprintf("START TRANSACTION READ ONLY WITH TIMESTAMP BOUND READ TIMESTAMP '%v'", + time.Now().Truncate(3*time.Second).Format("2006-01-02 15:04:05")), + expectErr: errors.New(".*schema version changed after the staleness startTS.*"), + }, + { + name: "ddl change before stale txn", + sql: `START TRANSACTION READ ONLY WITH TIMESTAMP BOUND EXACT STALENESS '00:00:03'`, + expectErr: nil, + }, + } + tk := testkit.NewTestKitWithInit(c, s.store) + for _, testcase := range testcases { + check := func() { + if testcase.expectErr != nil { + c.Assert(failpoint.Enable("github.com/pingcap/tidb/executor/mockStalenessTxnSchemaVer", "return(true)"), IsNil) + defer failpoint.Disable("github.com/pingcap/tidb/executor/mockStalenessTxnSchemaVer") + } else { + c.Assert(failpoint.Enable("github.com/pingcap/tidb/executor/mockStalenessTxnSchemaVer", "return(false)"), IsNil) + defer failpoint.Disable("github.com/pingcap/tidb/executor/mockStalenessTxnSchemaVer") + } + _, err := tk.Exec(testcase.sql) + if testcase.expectErr != nil { + c.Assert(err, NotNil) + c.Assert(err.Error(), Matches, testcase.expectErr.Error()) + } else { + c.Assert(err, IsNil) + } + } + check() + } +} diff --git a/executor/simple.go b/executor/simple.go index 80af0996ddfed..2e308f6e05075 100644 --- a/executor/simple.go +++ b/executor/simple.go @@ -22,6 +22,7 @@ import ( "github.com/ngaut/pools" "github.com/pingcap/errors" + "github.com/pingcap/failpoint" "github.com/pingcap/parser/ast" "github.com/pingcap/parser/auth" "github.com/pingcap/parser/model" @@ -629,6 +630,27 @@ func (e *SimpleExec) executeStartTransactionReadOnlyWithTimestampBound(ctx conte if err != nil { return err } + dom := domain.GetDomain(e.ctx) + m, err := dom.GetSnapshotMeta(e.ctx.GetSessionVars().TxnCtx.StartTS) + if err != nil { + return err + } + staleVer, err := m.GetSchemaVersion() + if err != nil { + return err + } + failpoint.Inject("mockStalenessTxnSchemaVer", func(val failpoint.Value) { + if val.(bool) { + staleVer = e.ctx.GetSessionVars().TxnCtx.SchemaVersion - 1 + } else { + staleVer = e.ctx.GetSessionVars().TxnCtx.SchemaVersion + } + }) + // TODO: currently we directly check the schema version. In future, we can cache the stale infoschema instead. + if e.ctx.GetSessionVars().TxnCtx.SchemaVersion > staleVer { + return errors.New("schema version changed after the staleness startTS") + } + // With START TRANSACTION, autocommit remains disabled until you end // the transaction with COMMIT or ROLLBACK. The autocommit mode then // reverts to its previous state. diff --git a/session/session_test.go b/session/session_test.go index 332f64465a1a1..d589fc7fd23a3 100644 --- a/session/session_test.go +++ b/session/session_test.go @@ -3871,6 +3871,8 @@ func (s *testSessionSerialSuite) TestIssue21943(c *C) { } func (s *testSessionSuite) TestValidateReadOnlyInStalenessTransaction(c *C) { + c.Assert(failpoint.Enable("github.com/pingcap/tidb/executor/mockStalenessTxnSchemaVer", "return(false)"), IsNil) + defer failpoint.Disable("github.com/pingcap/tidb/executor/mockStalenessTxnSchemaVer") testcases := []struct { name string sql string @@ -4015,6 +4017,8 @@ func (s *testSessionSuite) TestValidateReadOnlyInStalenessTransaction(c *C) { } func (s *testSessionSerialSuite) TestSpecialSQLInStalenessTxn(c *C) { + c.Assert(failpoint.Enable("github.com/pingcap/tidb/executor/mockStalenessTxnSchemaVer", "return(false)"), IsNil) + defer failpoint.Disable("github.com/pingcap/tidb/executor/mockStalenessTxnSchemaVer") tk := testkit.NewTestKit(c, s.store) tk.MustExec("use test") testcases := []struct { From 825c98f3ccf61b02ba33d3bb7ae572d198aa9c53 Mon Sep 17 00:00:00 2001 From: Song Gao Date: Thu, 4 Feb 2021 12:08:15 +0800 Subject: [PATCH 0763/1021] config: use label key instead of txn-scope (#22639) Signed-off-by: Song Gao --- config/config.go | 9 ++++----- config/config.toml.example | 3 --- config/config_test.go | 6 +++--- config/config_util.go | 9 +++++++++ server/server.go | 2 +- sessionctx/variable/session.go | 2 +- sessionctx/variable/sysvar.go | 2 +- 7 files changed, 19 insertions(+), 14 deletions(-) diff --git a/config/config.go b/config/config.go index b5c8b33527f34..31667ddc3d8e7 100644 --- a/config/config.go +++ b/config/config.go @@ -157,16 +157,16 @@ type Config struct { EnableTelemetry bool `toml:"enable-telemetry" json:"enable-telemetry"` // Labels indicates the labels set for the tidb server. The labels describe some specific properties for the tidb // server like `zone`/`rack`/`host`. Currently, labels won't affect the tidb server except for some special - // label keys. Now we only have `group` as a special label key. - // Note that: 'group' is a special label key which should be automatically set by tidb-operator. We don't suggest + // label keys. Now we have following special keys: + // 1. 'group' is a special label key which should be automatically set by tidb-operator. We don't suggest // users to set 'group' in labels. + // 2. 'zone' is a special key that indicates the DC location of this tidb-server. If it is set, the value for this + // key will be the default value of the session variable `txn_scope` for this tidb-server. Labels map[string]string `toml:"labels" json:"labels"` // EnableGlobalIndex enables creating global index. EnableGlobalIndex bool `toml:"enable-global-index" json:"enable-global-index"` // DeprecateIntegerDisplayWidth indicates whether deprecating the max display length for integer. DeprecateIntegerDisplayWidth bool `toml:"deprecate-integer-display-length" json:"deprecate-integer-display-length"` - // TxnScope indicates the default value for session variable txn_scope - TxnScope string `toml:"txn-scope" json:"txn-scope"` // EnableEnumLengthLimit indicates whether the enum/set element length is limited. // According to MySQL 8.0 Refman: // The maximum supported length of an individual SET element is M <= 255 and (M x w) <= 1020, @@ -661,7 +661,6 @@ var defaultConf = Config{ SpilledFileEncryptionMethod: SpilledFileEncryptionMethodPlaintext, }, DeprecateIntegerDisplayWidth: false, - TxnScope: DefTxnScope, EnableEnumLengthLimit: true, StoresRefreshInterval: defTiKVCfg.StoresRefreshInterval, } diff --git a/config/config.toml.example b/config/config.toml.example index 2f1981c7c09d4..15a528017e2d2 100644 --- a/config/config.toml.example +++ b/config/config.toml.example @@ -124,9 +124,6 @@ enable-telemetry = true # a warning like `Integer display width is deprecated and will be removed in a future release`. deprecate-integer-display-length = false -# txn-scope indicates the default value for the `txn_scope` session variable. -txn-scope = "global" - # enable-enum-length-limit is used to deal with compatibility issues. When true, the enum/set element length is limited. # According to MySQL 8.0 Refman: # The maximum supported length of an individual SET element is M <= 255 and (M x w) <= 1020, diff --git a/config/config_test.go b/config/config_test.go index 2e1285122e9e2..be44963e20835 100644 --- a/config/config_test.go +++ b/config/config_test.go @@ -193,7 +193,6 @@ index-limit = 70 table-column-count-limit = 4000 skip-register-to-dashboard = true deprecate-integer-display-length = true -txn-scope = "dc-1" enable-enum-length-limit = false stores-refresh-interval = 30 [performance] @@ -221,6 +220,7 @@ engines = ["tiflash"] [labels] foo= "bar" group= "abc" +zone= "dc-1" [security] spilled-file-encryption-method = "plaintext" `) @@ -267,12 +267,12 @@ spilled-file-encryption-method = "plaintext" c.Assert(conf.IndexLimit, Equals, 70) c.Assert(conf.TableColumnCountLimit, Equals, uint32(4000)) c.Assert(conf.SkipRegisterToDashboard, Equals, true) - c.Assert(len(conf.Labels), Equals, 2) + c.Assert(len(conf.Labels), Equals, 3) c.Assert(conf.Labels["foo"], Equals, "bar") c.Assert(conf.Labels["group"], Equals, "abc") + c.Assert(conf.Labels["zone"], Equals, "dc-1") c.Assert(conf.Security.SpilledFileEncryptionMethod, Equals, SpilledFileEncryptionMethodPlaintext) c.Assert(conf.DeprecateIntegerDisplayWidth, Equals, true) - c.Assert(conf.TxnScope, Equals, "dc-1") c.Assert(conf.EnableEnumLengthLimit, Equals, false) c.Assert(conf.StoresRefreshInterval, Equals, uint64(30)) diff --git a/config/config_util.go b/config/config_util.go index 6922437cf1bcb..86e4ef0a73023 100644 --- a/config/config_util.go +++ b/config/config_util.go @@ -154,3 +154,12 @@ func flatten(flatMap map[string]interface{}, nested interface{}, prefix string) flatMap[prefix] = nested } } + +// GetTxnScopeFromConfig extract txn_scope default value from config +func GetTxnScopeFromConfig() string { + v, ok := GetGlobalConfig().Labels["zone"] + if ok { + return v + } + return DefTxnScope +} diff --git a/server/server.go b/server/server.go index 30e617d5b46ee..cad3518d9c7ba 100644 --- a/server/server.go +++ b/server/server.go @@ -303,7 +303,7 @@ func setSSLVariable(ca, key, cert string) { } func setTxnScope() { - variable.SetSysVar("txn_scope", config.GetGlobalConfig().TxnScope) + variable.SetSysVar("txn_scope", config.GetTxnScopeFromConfig()) } // Export config-related metrics diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index 09fad0bd0fe75..d21b1b96f4f83 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -959,7 +959,7 @@ func NewSessionVars() *SessionVars { EnableAlterPlacement: DefTiDBEnableAlterPlacement, EnableAmendPessimisticTxn: DefTiDBEnableAmendPessimisticTxn, PartitionPruneMode: *atomic2.NewString(DefTiDBPartitionPruneMode), - TxnScope: config.GetGlobalConfig().TxnScope, + TxnScope: config.GetTxnScopeFromConfig(), EnabledRateLimitAction: DefTiDBEnableRateLimitAction, EnableAsyncCommit: DefTiDBEnableAsyncCommit, Enable1PC: DefTiDBEnable1PC, diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 5cc2d61bd3c2a..07b09270eba06 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -565,7 +565,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeSession, Name: WarningCount, Value: "0", ReadOnly: true}, {Scope: ScopeSession, Name: ErrorCount, Value: "0", ReadOnly: true}, {Scope: ScopeGlobal | ScopeSession, Name: WindowingUseHighPrecision, Value: BoolOn, Type: TypeBool, IsHintUpdatable: true}, - {Scope: ScopeSession, Name: TiDBTxnScope, Value: config.GetGlobalConfig().TxnScope}, + {Scope: ScopeSession, Name: TiDBTxnScope, Value: config.GetTxnScopeFromConfig()}, /* TiDB specific variables */ {Scope: ScopeGlobal | ScopeSession, Name: TiDBAllowMPPExecution, Type: TypeBool, Value: BoolToOnOff(DefTiDBAllowMPPExecution)}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBBCJThresholdCount, Value: strconv.Itoa(DefBroadcastJoinThresholdCount), Type: TypeInt, MinValue: 0, MaxValue: math.MaxInt64}, From 50fc4ba3b6b55480bcef832587a4ab53aac5f22a Mon Sep 17 00:00:00 2001 From: winkyao Date: Thu, 4 Feb 2021 12:59:45 +0800 Subject: [PATCH 0764/1021] README: change mailing list from google group to lists.tidb.io (#22719) --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 9c923b0fab9e4..926cdbf2533c2 100644 --- a/README.md +++ b/README.md @@ -13,7 +13,7 @@ - [**Slack Channel**](https://slack.tidb.io/invite?team=tidb-community&channel=everyone&ref=pingcap-tidb) - **Twitter**: [@PingCAP](https://twitter.com/PingCAP) - [**Reddit**](https://www.reddit.com/r/TiDB/) -- **Mailing list**: [Google Group](https://groups.google.com/forum/#!forum/tidb-user) +- **Mailing list**: [lists.tidb.io](https://lists.tidb.io/g/main/subgroups) - [**For support, please contact PingCAP**](http://bit.ly/contact_us_via_github) ## What is TiDB? From 343c4125313153cf71c276bf0edf861060f7489b Mon Sep 17 00:00:00 2001 From: Yiding Cui Date: Thu, 4 Feb 2021 15:52:30 +0800 Subject: [PATCH 0765/1021] planner, executor, statistics: add tests for version 2 and fix bugs (#22461) Co-authored-by: ti-srebot <66930949+ti-srebot@users.noreply.github.com> --- executor/analyze.go | 13 +- executor/builder.go | 11 +- planner/core/common_plans.go | 1 + planner/core/planbuilder.go | 91 ++++++++++-- session/session.go | 16 ++ statistics/cmsketch.go | 12 ++ statistics/handle/handle.go | 43 ++++++ statistics/handle/update.go | 23 ++- statistics/handle/update_test.go | 92 ++++++++++++ statistics/histogram.go | 42 +++++- statistics/integration_test.go | 187 ++++++++++++++++++++++++ statistics/table.go | 32 ++++ util/sqlexec/restricted_sql_executor.go | 11 ++ 13 files changed, 548 insertions(+), 26 deletions(-) create mode 100644 statistics/integration_test.go diff --git a/executor/analyze.go b/executor/analyze.go index b9c799f55b72f..65e7486082ce4 100644 --- a/executor/analyze.go +++ b/executor/analyze.go @@ -1232,9 +1232,14 @@ type analyzeIndexIncrementalExec struct { AnalyzeIndexExec oldHist *statistics.Histogram oldCMS *statistics.CMSketch + oldTopN *statistics.TopN } func analyzeIndexIncremental(idxExec *analyzeIndexIncrementalExec) analyzeResult { + var statsVer = statistics.Version1 + if idxExec.analyzePB.IdxReq.Version != nil { + statsVer = int(*idxExec.analyzePB.IdxReq.Version) + } startPos := idxExec.oldHist.GetUpper(idxExec.oldHist.Len() - 1) values, _, err := codec.DecodeRange(startPos.GetBytes(), len(idxExec.idxInfo.Columns), nil, nil) if err != nil { @@ -1245,7 +1250,7 @@ func analyzeIndexIncremental(idxExec *analyzeIndexIncrementalExec) analyzeResult if err != nil { return analyzeResult{Err: err, job: idxExec.job} } - hist, err = statistics.MergeHistograms(idxExec.ctx.GetSessionVars().StmtCtx, idxExec.oldHist, hist, int(idxExec.opts[ast.AnalyzeOptNumBuckets]), statistics.Version1) + hist, err = statistics.MergeHistograms(idxExec.ctx.GetSessionVars().StmtCtx, idxExec.oldHist, hist, int(idxExec.opts[ast.AnalyzeOptNumBuckets]), statsVer) if err != nil { return analyzeResult{Err: err, job: idxExec.job} } @@ -1256,9 +1261,9 @@ func analyzeIndexIncremental(idxExec *analyzeIndexIncrementalExec) analyzeResult } cms.CalcDefaultValForAnalyze(uint64(hist.NDV)) } - var statsVer = statistics.Version1 - if idxExec.analyzePB.IdxReq.Version != nil { - statsVer = int(*idxExec.analyzePB.IdxReq.Version) + if statsVer == statistics.Version2 { + poped := statistics.MergeTopN(topN, idxExec.oldTopN, cms, uint32(idxExec.opts[ast.AnalyzeOptNumTopN]), false) + hist.AddIdxVals(poped) } result := analyzeResult{ TableID: idxExec.tableID, diff --git a/executor/builder.go b/executor/builder.go index da31b63988270..174aed05e7b71 100644 --- a/executor/builder.go +++ b/executor/builder.go @@ -1943,7 +1943,7 @@ func (b *executorBuilder) buildAnalyzeIndexPushdown(task plannercore.AnalyzeInde topNSize := new(int32) *topNSize = int32(opts[ast.AnalyzeOptNumTopN]) statsVersion := new(int32) - *statsVersion = int32(b.ctx.GetSessionVars().AnalyzeVersion) + *statsVersion = int32(task.StatsVersion) e.analyzePB.IdxReq = &tipb.AnalyzeIndexReq{ BucketSize: int64(opts[ast.AnalyzeOptNumBuckets]), NumColumns: int32(len(task.IndexInfo.Columns)), @@ -1988,9 +1988,14 @@ func (b *executorBuilder) buildAnalyzeIndexIncremental(task plannercore.AnalyzeI } oldHist = idx.TruncateHistogram(bktID) } + var oldTopN *statistics.TopN + if analyzeTask.idxExec.analyzePB.IdxReq.GetVersion() == statistics.Version2 { + oldTopN = idx.TopN.Copy() + oldTopN.RemoveVal(oldHist.Bounds.GetRow(len(oldHist.Buckets)*2 - 1).GetBytes(0)) + } oldHist = oldHist.RemoveUpperBound() analyzeTask.taskType = idxIncrementalTask - analyzeTask.idxIncrementalExec = &analyzeIndexIncrementalExec{AnalyzeIndexExec: *analyzeTask.idxExec, oldHist: oldHist, oldCMS: idx.CMSketch} + analyzeTask.idxIncrementalExec = &analyzeIndexIncrementalExec{AnalyzeIndexExec: *analyzeTask.idxExec, oldHist: oldHist, oldCMS: idx.CMSketch, oldTopN: oldTopN} analyzeTask.job = &statistics.AnalyzeJob{DBName: task.DBName, TableName: task.TableName, PartitionName: task.PartitionName, JobInfo: "analyze incremental index " + task.IndexInfo.Name.O} return analyzeTask } @@ -2023,7 +2028,7 @@ func (b *executorBuilder) buildAnalyzeColumnsPushdown(task plannercore.AnalyzeCo TimeZoneOffset: offset, }, opts: opts, - analyzeVer: b.ctx.GetSessionVars().AnalyzeVersion, + analyzeVer: task.StatsVersion, } depth := int32(opts[ast.AnalyzeOptCMSketchDepth]) width := int32(opts[ast.AnalyzeOptCMSketchWidth]) diff --git a/planner/core/common_plans.go b/planner/core/common_plans.go index 820adb468284c..6044fde44b0b8 100644 --- a/planner/core/common_plans.go +++ b/planner/core/common_plans.go @@ -806,6 +806,7 @@ type analyzeInfo struct { PartitionName string TableID AnalyzeTableID Incremental bool + StatsVersion int } // AnalyzeColumnsTask is used for analyze columns. diff --git a/planner/core/planbuilder.go b/planner/core/planbuilder.go index 11c838fe9582a..efd4a427fc98c 100644 --- a/planner/core/planbuilder.go +++ b/planner/core/planbuilder.go @@ -1675,7 +1675,7 @@ func getPhysicalIDsAndPartitionNames(tblInfo *model.TableInfo, partitionNames [] return ids, names, nil } -func (b *PlanBuilder) buildAnalyzeTable(as *ast.AnalyzeTableStmt, opts map[ast.AnalyzeOptionType]uint64) (Plan, error) { +func (b *PlanBuilder) buildAnalyzeTable(as *ast.AnalyzeTableStmt, opts map[ast.AnalyzeOptionType]uint64, version int) (Plan, error) { p := &Analyze{Opts: opts} pruneMode := variable.PartitionPruneMode(b.ctx.GetSessionVars().PartitionPruneMode.Load()) if len(as.PartitionNames) > 0 && pruneMode == variable.DynamicOnly { @@ -1699,7 +1699,14 @@ func (b *PlanBuilder) buildAnalyzeTable(as *ast.AnalyzeTableStmt, opts map[ast.A if id == tbl.TableInfo.ID { id = -1 } - info := analyzeInfo{DBName: tbl.Schema.O, TableName: tbl.Name.O, PartitionName: names[i], TableID: AnalyzeTableID{TableID: tbl.TableInfo.ID, PartitionID: id}, Incremental: as.Incremental} + info := analyzeInfo{ + DBName: tbl.Schema.O, + TableName: tbl.Name.O, + PartitionName: names[i], + TableID: AnalyzeTableID{TableID: tbl.TableInfo.ID, PartitionID: id}, + Incremental: as.Incremental, + StatsVersion: version, + } p.IdxTasks = append(p.IdxTasks, AnalyzeIndexTask{ IndexInfo: idx, analyzeInfo: info, @@ -1713,7 +1720,14 @@ func (b *PlanBuilder) buildAnalyzeTable(as *ast.AnalyzeTableStmt, opts map[ast.A if id == tbl.TableInfo.ID { id = -1 } - info := analyzeInfo{DBName: tbl.Schema.O, TableName: tbl.Name.O, PartitionName: names[i], TableID: AnalyzeTableID{TableID: tbl.TableInfo.ID, PartitionID: id}, Incremental: as.Incremental} + info := analyzeInfo{ + DBName: tbl.Schema.O, + TableName: tbl.Name.O, + PartitionName: names[i], + TableID: AnalyzeTableID{TableID: tbl.TableInfo.ID, PartitionID: id}, + Incremental: as.Incremental, + StatsVersion: version, + } p.ColTasks = append(p.ColTasks, AnalyzeColumnsTask{ HandleCols: handleCols, ColsInfo: colInfo, @@ -1726,7 +1740,7 @@ func (b *PlanBuilder) buildAnalyzeTable(as *ast.AnalyzeTableStmt, opts map[ast.A return p, nil } -func (b *PlanBuilder) buildAnalyzeIndex(as *ast.AnalyzeTableStmt, opts map[ast.AnalyzeOptionType]uint64) (Plan, error) { +func (b *PlanBuilder) buildAnalyzeIndex(as *ast.AnalyzeTableStmt, opts map[ast.AnalyzeOptionType]uint64, version int) (Plan, error) { p := &Analyze{Opts: opts} tblInfo := as.TableNames[0].TableInfo pruneMode := variable.PartitionPruneMode(b.ctx.GetSessionVars().PartitionPruneMode.Load()) @@ -1738,6 +1752,17 @@ func (b *PlanBuilder) buildAnalyzeIndex(as *ast.AnalyzeTableStmt, opts map[ast.A if err != nil { return nil, err } + statsHandle := domain.GetDomain(b.ctx).StatsHandle() + if statsHandle == nil { + return nil, errors.Errorf("statistics hasn't been initialized, please try again later") + } + versionIsSame := statsHandle.CheckAnalyzeVersion(tblInfo, physicalIDs, &version) + if !versionIsSame { + if b.ctx.GetSessionVars().EnableFastAnalyze { + return nil, errors.Errorf("Fast analyze hasn't reached General Availability and only support analyze version 1 currently. But the existing statistics of the table is not version 1.") + } + b.ctx.GetSessionVars().StmtCtx.AppendWarning(errors.Errorf("The analyze version from the session is not compatible with the existing statistics of the table. Use the existing version instead")) + } for _, idxName := range as.IndexNames { if isPrimaryIndex(idxName) { handleCols := BuildHandleColsForAnalyze(b.ctx, tblInfo) @@ -1746,7 +1771,13 @@ func (b *PlanBuilder) buildAnalyzeIndex(as *ast.AnalyzeTableStmt, opts map[ast.A if id == tblInfo.ID { id = -1 } - info := analyzeInfo{DBName: as.TableNames[0].Schema.O, TableName: as.TableNames[0].Name.O, PartitionName: names[i], TableID: AnalyzeTableID{TableID: tblInfo.ID, PartitionID: id}, Incremental: as.Incremental} + info := analyzeInfo{ + DBName: as.TableNames[0].Schema.O, + TableName: as.TableNames[0].Name.O, + PartitionName: names[i], TableID: AnalyzeTableID{TableID: tblInfo.ID, PartitionID: id}, + Incremental: as.Incremental, + StatsVersion: version, + } p.ColTasks = append(p.ColTasks, AnalyzeColumnsTask{HandleCols: handleCols, analyzeInfo: info, TblInfo: tblInfo}) } continue @@ -1760,14 +1791,21 @@ func (b *PlanBuilder) buildAnalyzeIndex(as *ast.AnalyzeTableStmt, opts map[ast.A if id == tblInfo.ID { id = -1 } - info := analyzeInfo{DBName: as.TableNames[0].Schema.O, TableName: as.TableNames[0].Name.O, PartitionName: names[i], TableID: AnalyzeTableID{TableID: tblInfo.ID, PartitionID: id}, Incremental: as.Incremental} + info := analyzeInfo{ + DBName: as.TableNames[0].Schema.O, + TableName: as.TableNames[0].Name.O, + PartitionName: names[i], + TableID: AnalyzeTableID{TableID: tblInfo.ID, PartitionID: id}, + Incremental: as.Incremental, + StatsVersion: version, + } p.IdxTasks = append(p.IdxTasks, AnalyzeIndexTask{IndexInfo: idx, analyzeInfo: info, TblInfo: tblInfo}) } } return p, nil } -func (b *PlanBuilder) buildAnalyzeAllIndex(as *ast.AnalyzeTableStmt, opts map[ast.AnalyzeOptionType]uint64) (Plan, error) { +func (b *PlanBuilder) buildAnalyzeAllIndex(as *ast.AnalyzeTableStmt, opts map[ast.AnalyzeOptionType]uint64, version int) (Plan, error) { p := &Analyze{Opts: opts} tblInfo := as.TableNames[0].TableInfo pruneMode := variable.PartitionPruneMode(b.ctx.GetSessionVars().PartitionPruneMode.Load()) @@ -1779,13 +1817,31 @@ func (b *PlanBuilder) buildAnalyzeAllIndex(as *ast.AnalyzeTableStmt, opts map[as if err != nil { return nil, err } + statsHandle := domain.GetDomain(b.ctx).StatsHandle() + if statsHandle == nil { + return nil, errors.Errorf("statistics hasn't been initialized, please try again later") + } + versionIsSame := statsHandle.CheckAnalyzeVersion(tblInfo, physicalIDs, &version) + if !versionIsSame { + if b.ctx.GetSessionVars().EnableFastAnalyze { + return nil, errors.Errorf("Fast analyze hasn't reached General Availability and only support analyze version 1 currently. But the existing statistics of the table is not version 1.") + } + b.ctx.GetSessionVars().StmtCtx.AppendWarning(errors.Errorf("The analyze version from the session is not compatible with the existing statistics of the table. Use the existing version instead")) + } for _, idx := range tblInfo.Indices { if idx.State == model.StatePublic { for i, id := range physicalIDs { if id == tblInfo.ID { id = -1 } - info := analyzeInfo{DBName: as.TableNames[0].Schema.O, TableName: as.TableNames[0].Name.O, PartitionName: names[i], TableID: AnalyzeTableID{TableID: tblInfo.ID, PartitionID: id}, Incremental: as.Incremental} + info := analyzeInfo{ + DBName: as.TableNames[0].Schema.O, + TableName: as.TableNames[0].Name.O, + PartitionName: names[i], + TableID: AnalyzeTableID{TableID: tblInfo.ID, PartitionID: id}, + Incremental: as.Incremental, + StatsVersion: version, + } p.IdxTasks = append(p.IdxTasks, AnalyzeIndexTask{IndexInfo: idx, analyzeInfo: info, TblInfo: tblInfo}) } } @@ -1796,7 +1852,14 @@ func (b *PlanBuilder) buildAnalyzeAllIndex(as *ast.AnalyzeTableStmt, opts map[as if id == tblInfo.ID { id = -1 } - info := analyzeInfo{DBName: as.TableNames[0].Schema.O, TableName: as.TableNames[0].Name.O, PartitionName: names[i], TableID: AnalyzeTableID{TableID: tblInfo.ID, PartitionID: id}, Incremental: as.Incremental} + info := analyzeInfo{ + DBName: as.TableNames[0].Schema.O, + TableName: as.TableNames[0].Name.O, + PartitionName: names[i], + TableID: AnalyzeTableID{TableID: tblInfo.ID, PartitionID: id}, + Incremental: as.Incremental, + StatsVersion: version, + } p.ColTasks = append(p.ColTasks, AnalyzeColumnsTask{HandleCols: handleCols, analyzeInfo: info, TblInfo: tblInfo}) } } @@ -1850,6 +1913,10 @@ func (b *PlanBuilder) buildAnalyze(as *ast.AnalyzeTableStmt) (Plan, error) { if _, isTikvStorage := b.ctx.GetStore().(tikv.Storage); !isTikvStorage && b.ctx.GetSessionVars().EnableFastAnalyze { return nil, errors.Errorf("Only support fast analyze in tikv storage.") } + statsVersion := b.ctx.GetSessionVars().AnalyzeVersion + if b.ctx.GetSessionVars().EnableFastAnalyze && statsVersion == statistics.Version2 { + return nil, errors.Errorf("Fast analyze hasn't reached General Availability and only support analyze version 1 currently.") + } for _, tbl := range as.TableNames { user := b.ctx.GetSessionVars().User var insertErr, selectErr error @@ -1866,11 +1933,11 @@ func (b *PlanBuilder) buildAnalyze(as *ast.AnalyzeTableStmt) (Plan, error) { } if as.IndexFlag { if len(as.IndexNames) == 0 { - return b.buildAnalyzeAllIndex(as, opts) + return b.buildAnalyzeAllIndex(as, opts, statsVersion) } - return b.buildAnalyzeIndex(as, opts) + return b.buildAnalyzeIndex(as, opts, statsVersion) } - return b.buildAnalyzeTable(as, opts) + return b.buildAnalyzeTable(as, opts, statsVersion) } func buildShowNextRowID() (*expression.Schema, types.NameSlice) { diff --git a/session/session.go b/session/session.go index db449bb7caa4f..16701a100ab1a 100644 --- a/session/session.go +++ b/session/session.go @@ -871,6 +871,14 @@ func (s *session) ExecRestrictedSQLWithContext(ctx context.Context, sql string, }() } + if execOption.AnalyzeVer != 0 { + oldStatsVer := se.GetSessionVars().AnalyzeVersion + se.GetSessionVars().AnalyzeVersion = execOption.AnalyzeVer + defer func() { + se.GetSessionVars().AnalyzeVersion = oldStatsVer + }() + } + // for analyze stmt we need let worker session follow user session that executing stmt. se.sessionVars.PartitionPruneMode.Store(s.sessionVars.PartitionPruneMode.Load()) metrics.SessionRestrictedSQLCounter.Inc() @@ -1444,6 +1452,14 @@ func (s *session) ExecRestrictedStmt(ctx context.Context, stmtNode ast.StmtNode, }() } + if execOption.AnalyzeVer != 0 { + prevStatsVer := se.sessionVars.AnalyzeVersion + se.sessionVars.AnalyzeVersion = execOption.AnalyzeVer + defer func() { + se.sessionVars.AnalyzeVersion = prevStatsVer + }() + } + // for analyze stmt we need let worker session follow user session that executing stmt. se.sessionVars.PartitionPruneMode.Store(s.sessionVars.PartitionPruneMode.Load()) metrics.SessionRestrictedSQLCounter.Inc() diff --git a/statistics/cmsketch.go b/statistics/cmsketch.go index 864dafae104bb..2602b09583aca 100644 --- a/statistics/cmsketch.go +++ b/statistics/cmsketch.go @@ -636,6 +636,18 @@ func (c *TopN) Equal(cc *TopN) bool { return true } +// RemoveVal remove the val from TopN if it exists. +func (c *TopN) RemoveVal(val []byte) { + if c == nil { + return + } + pos := c.findTopN(val) + if pos == -1 { + return + } + c.TopN = append(c.TopN[:pos], c.TopN[pos+1:]...) +} + // NewTopN creates the new TopN struct by the given size. func NewTopN(n int) *TopN { return &TopN{TopN: make([]TopNMeta, 0, n)} diff --git a/statistics/handle/handle.go b/statistics/handle/handle.go index 98858c853ba93..88da2b80a1b53 100644 --- a/statistics/handle/handle.go +++ b/statistics/handle/handle.go @@ -115,6 +115,16 @@ func (h *Handle) execRestrictedSQL(ctx context.Context, sql string, params ...in }) } +func (h *Handle) execRestrictedSQLWithStatsVer(ctx context.Context, statsVer int, sql string, params ...interface{}) ([]chunk.Row, []*ast.ResultField, error) { + return h.withRestrictedSQLExecutor(ctx, func(ctx context.Context, exec sqlexec.RestrictedSQLExecutor) ([]chunk.Row, []*ast.ResultField, error) { + stmt, err := exec.ParseWithParams(ctx, sql, params...) + if err != nil { + return nil, nil, errors.Trace(err) + } + return exec.ExecRestrictedStmt(ctx, stmt, execOptionForAnalyze[statsVer]) + }) +} + func (h *Handle) execRestrictedSQLWithSnapshot(ctx context.Context, sql string, snapshot uint64, params ...interface{}) ([]chunk.Row, []*ast.ResultField, error) { return h.withRestrictedSQLExecutor(ctx, func(ctx context.Context, exec sqlexec.RestrictedSQLExecutor) ([]chunk.Row, []*ast.ResultField, error) { stmt, err := exec.ParseWithParams(ctx, sql, params...) @@ -255,6 +265,22 @@ func (h *Handle) Update(is infoschema.InfoSchema) error { return nil } +// UpdateSessionVar updates the necessary session variables for the stats reader. +func (h *Handle) UpdateSessionVar() error { + verInString, err := h.mu.ctx.GetSessionVars().GlobalVarsAccessor.GetGlobalSysVar(variable.TiDBAnalyzeVersion) + if err != nil { + return err + } + h.mu.Lock() + defer h.mu.Unlock() + ver, err := strconv.ParseInt(verInString, 10, 64) + if err != nil { + return err + } + h.mu.ctx.GetSessionVars().AnalyzeVersion = int(ver) + return err +} + func (h *Handle) getTableByPhysicalID(is infoschema.InfoSchema, physicalID int64) (table.Table, bool) { if is.SchemaMetaVersion() != h.mu.schemaVersion { h.mu.schemaVersion = is.SchemaMetaVersion() @@ -541,6 +567,7 @@ func (h *Handle) columnStatsFromStorage(reader *statsReader, row chunk.Row, tabl ErrorRate: errorRate, IsHandle: tableInfo.PKIsHandle && mysql.HasPriKeyFlag(colInfo.Flag), Flag: flag, + StatsVer: statsVer, } lastAnalyzePos.Copy(&col.LastAnalyzePos) col.Histogram.Correlation = correlation @@ -1205,3 +1232,19 @@ func (h *Handle) RefreshVars() error { defer h.mu.Unlock() return h.mu.ctx.RefreshVars(context.Background()) } + +// CheckAnalyzeVersion checks whether all the statistics versions of this table's columns and indexes are the same. +func (h *Handle) CheckAnalyzeVersion(tblInfo *model.TableInfo, physicalIDs []int64, version *int) bool { + // We simply choose one physical id to get its stats. + var tbl *statistics.Table + for _, pid := range physicalIDs { + tbl = h.GetPartitionStats(tblInfo, pid) + if !tbl.Pseudo { + break + } + } + if tbl == nil || tbl.Pseudo { + return true + } + return statistics.CheckAnalyzeVerOnTable(tbl, version) +} diff --git a/statistics/handle/update.go b/statistics/handle/update.go index 41c385993a6f1..f5423fc408cc9 100644 --- a/statistics/handle/update.go +++ b/statistics/handle/update.go @@ -865,6 +865,11 @@ func parseAnalyzePeriod(start, end string) (time.Time, time.Time, error) { // HandleAutoAnalyze analyzes the newly created table or index. func (h *Handle) HandleAutoAnalyze(is infoschema.InfoSchema) { + err := h.UpdateSessionVar() + if err != nil { + logutil.BgLogger().Error("[stats] update analyze version for auto analyze session failed", zap.Error(err)) + return + } dbs := is.AllSchemaNames() parameters := h.getAutoAnalyzeParameters() autoAnalyzeRatio := parseAutoAnalyzeRatio(parameters[variable.TiDBAutoAnalyzeRatio]) @@ -910,22 +915,32 @@ func (h *Handle) autoAnalyzeTable(tblInfo *model.TableInfo, statsTbl *statistics } if needAnalyze, reason := NeedAnalyzeTable(statsTbl, 20*h.Lease(), ratio, start, end, time.Now()); needAnalyze { logutil.BgLogger().Info("[stats] auto analyze triggered", zap.String("sql", sql), zap.String("reason", reason)) - h.execAutoAnalyze(sql, params...) + tableStatsVer := h.mu.ctx.GetSessionVars().AnalyzeVersion + statistics.CheckAnalyzeVerOnTable(statsTbl, &tableStatsVer) + h.execAutoAnalyze(tableStatsVer, sql, params...) return true } for _, idx := range tblInfo.Indices { if _, ok := statsTbl.Indices[idx.ID]; !ok && idx.State == model.StatePublic { logutil.BgLogger().Info("[stats] auto analyze for unanalyzed", zap.String("sql", sql)) - h.execAutoAnalyze(sql+" index %n", append(params, idx.Name.O)...) + tableStatsVer := h.mu.ctx.GetSessionVars().AnalyzeVersion + statistics.CheckAnalyzeVerOnTable(statsTbl, &tableStatsVer) + h.execAutoAnalyze(tableStatsVer, sql+" index %n", append(params, idx.Name.O)...) return true } } return false } -func (h *Handle) execAutoAnalyze(sql string, params ...interface{}) { +var execOptionForAnalyze = map[int]sqlexec.OptionFuncAlias{ + statistics.Version0: sqlexec.ExecOptionAnalyzeVer1, + statistics.Version1: sqlexec.ExecOptionAnalyzeVer1, + statistics.Version2: sqlexec.ExecOptionAnalyzeVer2, +} + +func (h *Handle) execAutoAnalyze(statsVer int, sql string, params ...interface{}) { startTime := time.Now() - _, _, err := h.execRestrictedSQL(context.Background(), sql, params...) + _, _, err := h.execRestrictedSQLWithStatsVer(context.Background(), statsVer, sql, params...) dur := time.Since(startTime) metrics.AutoAnalyzeHistogram.Observe(dur.Seconds()) if err != nil { diff --git a/statistics/handle/update_test.go b/statistics/handle/update_test.go index 71b50da123995..aa885339ce667 100644 --- a/statistics/handle/update_test.go +++ b/statistics/handle/update_test.go @@ -44,6 +44,26 @@ import ( ) var _ = Suite(&testStatsSuite{}) +var _ = SerialSuites(&testSerialStatsSuite{}) + +type testSerialStatsSuite struct { + store kv.Storage + do *domain.Domain +} + +func (s *testSerialStatsSuite) SetUpSuite(c *C) { + testleak.BeforeTest() + // Add the hook here to avoid data race. + var err error + s.store, s.do, err = newStoreWithBootstrap() + c.Assert(err, IsNil) +} + +func (s *testSerialStatsSuite) TearDownSuite(c *C) { + s.do.Close() + s.store.Close() + testleak.AfterTest(c)() +} type testStatsSuite struct { store kv.Storage @@ -513,6 +533,78 @@ func (s *testStatsSuite) TestAutoUpdatePartition(c *C) { }) } +func (s *testSerialStatsSuite) TestAutoAnalyzeOnChangeAnalyzeVer(c *C) { + defer cleanEnv(c, s.store, s.do) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("create table t(a int, index idx(a))") + tk.MustExec("insert into t values(1)") + tk.MustExec("set @@global.tidb_analyze_version = 1") + do := s.do + handle.AutoAnalyzeMinCnt = 0 + defer func() { + handle.AutoAnalyzeMinCnt = 1000 + }() + h := do.StatsHandle() + h.HandleDDLEvent(<-h.DDLEventCh()) + c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) + is := do.InfoSchema() + err := h.UpdateSessionVar() + c.Assert(err, IsNil) + c.Assert(h.Update(is), IsNil) + // Auto analyze when global ver is 1. + h.HandleAutoAnalyze(is) + c.Assert(h.Update(is), IsNil) + tbl, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) + c.Assert(err, IsNil) + statsTbl1 := h.GetTableStats(tbl.Meta()) + // Check that all the version of t's stats are 1. + for _, col := range statsTbl1.Columns { + c.Assert(col.StatsVer, Equals, int64(1)) + } + for _, idx := range statsTbl1.Indices { + c.Assert(idx.StatsVer, Equals, int64(1)) + } + tk.MustExec("set @@global.tidb_analyze_version = 2") + err = h.UpdateSessionVar() + c.Assert(err, IsNil) + tk.MustExec("insert into t values(1), (2), (3), (4)") + c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) + c.Assert(h.Update(is), IsNil) + // Auto analyze t whose version is 1 after setting global ver to 2. + h.HandleAutoAnalyze(is) + c.Assert(h.Update(is), IsNil) + statsTbl1 = h.GetTableStats(tbl.Meta()) + c.Assert(statsTbl1.Count, Equals, int64(5)) + // All of its statistics should still be version 1. + for _, col := range statsTbl1.Columns { + c.Assert(col.StatsVer, Equals, int64(1)) + } + for _, idx := range statsTbl1.Indices { + c.Assert(idx.StatsVer, Equals, int64(1)) + } + // Add a new table after the analyze version set to 2. + tk.MustExec("create table tt(a int, index idx(a))") + tk.MustExec("insert into tt values(1), (2), (3), (4), (5)") + h.HandleDDLEvent(<-h.DDLEventCh()) + c.Assert(h.DumpStatsDeltaToKV(handle.DumpAll), IsNil) + is = do.InfoSchema() + tbl2, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("tt")) + c.Assert(err, IsNil) + c.Assert(h.Update(is), IsNil) + h.HandleAutoAnalyze(is) + c.Assert(h.Update(is), IsNil) + statsTbl2 := h.GetTableStats(tbl2.Meta()) + // Since it's a newly created table. Auto analyze should analyze it's statistics to version2. + for _, idx := range statsTbl2.Indices { + c.Assert(idx.StatsVer, Equals, int64(2)) + } + for _, col := range statsTbl2.Columns { + c.Assert(col.StatsVer, Equals, int64(2)) + } + tk.MustExec("set @@global.tidb_analyze_version = 1") +} + func (s *testStatsSuite) TestTableAnalyzed(c *C) { defer cleanEnv(c, s.store, s.do) testKit := testkit.NewTestKit(c, s.store) diff --git a/statistics/histogram.go b/statistics/histogram.go index 7b71d0116463d..ee574962d957f 100644 --- a/statistics/histogram.go +++ b/statistics/histogram.go @@ -281,8 +281,8 @@ func HistogramEqual(a, b *Histogram, ignoreID bool) bool { } // constants for stats version. These const can be used for solving compatibility issue. -// If the version number is 0, it means the most original statistics. const ( + // Version0 is the state that no statistics is actually collected, only the meta info.(the total count and the average col size) Version0 = 0 // In Version1 // Column stats: CM Sketch is built in TiKV using full data. Histogram is built from samples. TopN is extracted from CM Sketch. @@ -374,6 +374,37 @@ func (hg *Histogram) RemoveIdxVals(idxValCntPairs []TopNMeta) { } } +// AddIdxVals adds the given values to the histogram. +func (hg *Histogram) AddIdxVals(idxValCntPairs []TopNMeta) { + totalAddCnt := int64(0) + sort.Slice(idxValCntPairs, func(i, j int) bool { + return bytes.Compare(idxValCntPairs[i].Encoded, idxValCntPairs[j].Encoded) < 0 + }) + for bktIdx, pairIdx := 0, 0; bktIdx < hg.Len(); bktIdx++ { + for pairIdx < len(idxValCntPairs) { + // If the current val smaller than current bucket's lower bound, skip it. + cmpResult := bytes.Compare(hg.Bounds.Column(0).GetBytes(bktIdx*2), idxValCntPairs[pairIdx].Encoded) + if cmpResult > 0 { + continue + } + // If the current val bigger than current bucket's upper bound, break. + cmpResult = bytes.Compare(hg.Bounds.Column(0).GetBytes(bktIdx*2+1), idxValCntPairs[pairIdx].Encoded) + if cmpResult < 0 { + break + } + totalAddCnt += int64(idxValCntPairs[pairIdx].Count) + hg.Buckets[bktIdx].NDV++ + if cmpResult == 0 { + hg.Buckets[bktIdx].Repeat = int64(idxValCntPairs[pairIdx].Count) + pairIdx++ + break + } + pairIdx++ + } + hg.Buckets[bktIdx].Count += totalAddCnt + } +} + // ToString gets the string representation for the histogram. func (hg *Histogram) ToString(idxCols int) string { strs := make([]string, 0, hg.Len()+1) @@ -744,8 +775,10 @@ func MergeHistograms(sc *stmtctx.StatementContext, lh *Histogram, rh *Histogram, offset := int64(0) if cmp == 0 { lh.NDV-- - if rh.Buckets[0].NDV > 0 { - lh.Buckets[lLen-1].NDV += rh.Buckets[0].NDV - 1 + lh.Buckets[lLen-1].NDV += rh.Buckets[0].NDV + // There's an overlapped one. So we need to subtract it if needed. + if rh.Buckets[0].NDV > 0 && lh.Buckets[lLen-1].Repeat > 0 { + lh.Buckets[lLen-1].NDV-- } lh.updateLastBucket(rh.GetUpper(0), lh.Buckets[lLen-1].Count+rh.Buckets[0].Count, rh.Buckets[0].Repeat, false) offset = rh.Buckets[0].Count @@ -816,6 +849,9 @@ func (hg *Histogram) Copy() *Histogram { func (hg *Histogram) RemoveUpperBound() *Histogram { hg.Buckets[hg.Len()-1].Count -= hg.Buckets[hg.Len()-1].Repeat hg.Buckets[hg.Len()-1].Repeat = 0 + if hg.NDV > 0 { + hg.NDV-- + } return hg } diff --git a/statistics/integration_test.go b/statistics/integration_test.go new file mode 100644 index 0000000000000..c2a8dd904c1d1 --- /dev/null +++ b/statistics/integration_test.go @@ -0,0 +1,187 @@ +// Copyright 2021 PingCAP, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// See the License for the specific language governing permissions and +// limitations under the License. +package statistics_test + +import ( + . "github.com/pingcap/check" + "github.com/pingcap/parser/model" + "github.com/pingcap/tidb/domain" + "github.com/pingcap/tidb/kv" + "github.com/pingcap/tidb/util/testkit" + "github.com/pingcap/tidb/util/testleak" +) + +var _ = Suite(&testIntegrationSuite{}) + +type testIntegrationSuite struct { + store kv.Storage + do *domain.Domain +} + +func (s *testIntegrationSuite) SetUpSuite(c *C) { + testleak.BeforeTest() + // Add the hook here to avoid data race. + var err error + s.store, s.do, err = newStoreWithBootstrap() + c.Assert(err, IsNil) +} + +func (s *testIntegrationSuite) TearDownSuite(c *C) { + s.do.Close() + c.Assert(s.store.Close(), IsNil) + testleak.AfterTest(c)() +} + +func (s *testIntegrationSuite) TestChangeVerTo2Behavior(c *C) { + defer cleanEnv(c, s.store, s.do) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("create table t(a int, b int, index idx(a))") + tk.MustExec("set @@session.tidb_analyze_version = 1") + tk.MustExec("insert into t values(1, 1), (1, 2), (1, 3)") + tk.MustExec("analyze table t") + is := s.do.InfoSchema() + tblT, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) + c.Assert(err, IsNil) + h := s.do.StatsHandle() + c.Assert(h.Update(is), IsNil) + statsTblT := h.GetTableStats(tblT.Meta()) + // Analyze table with version 1 success, all statistics are version 1. + for _, col := range statsTblT.Columns { + c.Assert(col.StatsVer, Equals, int64(1)) + } + for _, idx := range statsTblT.Indices { + c.Assert(idx.StatsVer, Equals, int64(1)) + } + tk.MustExec("set @@session.tidb_analyze_version = 2") + tk.MustExec("analyze table t index idx") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 The analyze version from the session is not compatible with the existing statistics of the table. Use the existing version instead")) + c.Assert(h.Update(is), IsNil) + statsTblT = h.GetTableStats(tblT.Meta()) + for _, idx := range statsTblT.Indices { + c.Assert(idx.StatsVer, Equals, int64(1)) + } + tk.MustExec("analyze table t index") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 The analyze version from the session is not compatible with the existing statistics of the table. Use the existing version instead")) + c.Assert(h.Update(is), IsNil) + statsTblT = h.GetTableStats(tblT.Meta()) + for _, idx := range statsTblT.Indices { + c.Assert(idx.StatsVer, Equals, int64(1)) + } + tk.MustExec("analyze table t ") + c.Assert(h.Update(is), IsNil) + statsTblT = h.GetTableStats(tblT.Meta()) + for _, col := range statsTblT.Columns { + c.Assert(col.StatsVer, Equals, int64(2)) + } + for _, idx := range statsTblT.Indices { + c.Assert(idx.StatsVer, Equals, int64(2)) + } + tk.MustExec("set @@session.tidb_analyze_version = 1") + tk.MustExec("analyze table t index idx") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 The analyze version from the session is not compatible with the existing statistics of the table. Use the existing version instead")) + c.Assert(h.Update(is), IsNil) + statsTblT = h.GetTableStats(tblT.Meta()) + for _, idx := range statsTblT.Indices { + c.Assert(idx.StatsVer, Equals, int64(2)) + } + tk.MustExec("analyze table t index") + tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 The analyze version from the session is not compatible with the existing statistics of the table. Use the existing version instead")) + c.Assert(h.Update(is), IsNil) + statsTblT = h.GetTableStats(tblT.Meta()) + for _, idx := range statsTblT.Indices { + c.Assert(idx.StatsVer, Equals, int64(2)) + } + tk.MustExec("analyze table t ") + c.Assert(h.Update(is), IsNil) + statsTblT = h.GetTableStats(tblT.Meta()) + for _, col := range statsTblT.Columns { + c.Assert(col.StatsVer, Equals, int64(1)) + } + for _, idx := range statsTblT.Indices { + c.Assert(idx.StatsVer, Equals, int64(1)) + } +} + +func (s *testIntegrationSuite) TestFastAnalyzeOnVer2(c *C) { + defer cleanEnv(c, s.store, s.do) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("create table t(a int, b int, index idx(a))") + tk.MustExec("set @@session.tidb_analyze_version = 2") + tk.MustExec("set @@session.tidb_enable_fast_analyze = 1") + tk.MustExec("insert into t values(1, 1), (1, 2), (1, 3)") + _, err := tk.Exec("analyze table t") + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "Fast analyze hasn't reached General Availability and only support analyze version 1 currently.") + tk.MustExec("set @@session.tidb_enable_fast_analyze = 0") + tk.MustExec("analyze table t") + is := s.do.InfoSchema() + tblT, err := is.TableByName(model.NewCIStr("test"), model.NewCIStr("t")) + c.Assert(err, IsNil) + h := s.do.StatsHandle() + c.Assert(h.Update(is), IsNil) + statsTblT := h.GetTableStats(tblT.Meta()) + for _, col := range statsTblT.Columns { + c.Assert(col.StatsVer, Equals, int64(2)) + } + for _, idx := range statsTblT.Indices { + c.Assert(idx.StatsVer, Equals, int64(2)) + } + tk.MustExec("set @@session.tidb_enable_fast_analyze = 1") + err = tk.ExecToErr("analyze table t index idx") + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "Fast analyze hasn't reached General Availability and only support analyze version 1 currently.") + tk.MustExec("set @@session.tidb_analyze_version = 1") + _, err = tk.Exec("analyze table t index idx") + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "Fast analyze hasn't reached General Availability and only support analyze version 1 currently. But the existing statistics of the table is not version 1.") + _, err = tk.Exec("analyze table t index") + c.Assert(err, NotNil) + c.Assert(err.Error(), Equals, "Fast analyze hasn't reached General Availability and only support analyze version 1 currently. But the existing statistics of the table is not version 1.") + tk.MustExec("analyze table t") + c.Assert(h.Update(is), IsNil) + statsTblT = h.GetTableStats(tblT.Meta()) + for _, col := range statsTblT.Columns { + c.Assert(col.StatsVer, Equals, int64(1)) + } + for _, idx := range statsTblT.Indices { + c.Assert(idx.StatsVer, Equals, int64(1)) + } +} + +func (s *testIntegrationSuite) TestIncAnalyzeOnVer2(c *C) { + defer cleanEnv(c, s.store, s.do) + tk := testkit.NewTestKit(c, s.store) + tk.MustExec("use test") + tk.MustExec("create table t(a int, b int, index idx(a))") + tk.MustExec("set @@session.tidb_analyze_version = 2") + tk.MustExec("insert into t values(1, 1), (1, 2)") + tk.MustExec("analyze table t with 2 topn") + is := s.do.InfoSchema() + h := s.do.StatsHandle() + c.Assert(h.Update(is), IsNil) + tk.MustExec("insert into t values(2, 1), (2, 2), (2, 3), (3, 3), (4, 4), (4, 3), (4, 2), (4, 1)") + c.Assert(h.Update(is), IsNil) + tk.MustExec("analyze incremental table t index idx with 2 topn") + // After analyze, there's two val in hist. + tk.MustQuery("show stats_buckets where table_name = 't' and column_name = 'idx'").Check(testkit.Rows( + "test t idx 1 0 2 2 1 1 1", + "test t idx 1 1 3 0 2 4 1", + )) + // Two val in topn. + tk.MustQuery("show stats_topn where table_name = 't' and column_name = 'idx'").Check(testkit.Rows( + "test t idx 1 2 3", + "test t idx 1 4 4", + )) +} diff --git a/statistics/table.go b/statistics/table.go index a48346e1a7cde..d5653385658b0 100644 --- a/statistics/table.go +++ b/statistics/table.go @@ -901,3 +901,35 @@ func (coll *HistColl) GetIndexAvgRowSize(ctx sessionctx.Context, cols []*express } return } + +// CheckAnalyzeVerOnTable checks whether the given version is the one from the tbl. +// If not, it will return false and set the version to the tbl's. +// We use this check to make sure all the statistics of the table are in the same version. +func CheckAnalyzeVerOnTable(tbl *Table, version *int) bool { + for _, col := range tbl.Columns { + // Version0 means no statistics is collected currently. + if col.StatsVer == Version0 { + continue + } + if col.StatsVer != int64(*version) { + *version = int(col.StatsVer) + return false + } + // If we found one column and the version is the same, we can directly return since all the versions from this table is the same. + return true + } + for _, idx := range tbl.Indices { + // Version0 means no statistics is collected currently. + if idx.StatsVer == Version0 { + continue + } + if idx.StatsVer != int64(*version) { + *version = int(idx.StatsVer) + return false + } + // If we found one column and the version is the same, we can directly return since all the versions from this table is the same. + return true + } + // This table has no statistics yet. We can directly return true. + return true +} diff --git a/util/sqlexec/restricted_sql_executor.go b/util/sqlexec/restricted_sql_executor.go index a1d8d5421a803..00ca88622987c 100644 --- a/util/sqlexec/restricted_sql_executor.go +++ b/util/sqlexec/restricted_sql_executor.go @@ -64,6 +64,7 @@ type RestrictedSQLExecutor interface { type ExecOption struct { IgnoreWarning bool SnapshotTS uint64 + AnalyzeVer int } // OptionFuncAlias is defined for the optional paramater of ExecRestrictedSQLWithContext. @@ -74,6 +75,16 @@ var ExecOptionIgnoreWarning OptionFuncAlias = func(option *ExecOption) { option.IgnoreWarning = true } +// ExecOptionAnalyzeVer1 tells ExecRestrictedSQLWithContext to collect statistics with version1. +var ExecOptionAnalyzeVer1 OptionFuncAlias = func(option *ExecOption) { + option.AnalyzeVer = 1 +} + +// ExecOptionAnalyzeVer2 tells ExecRestrictedSQLWithContext to collect statistics with version2. +var ExecOptionAnalyzeVer2 OptionFuncAlias = func(option *ExecOption) { + option.AnalyzeVer = 2 +} + // ExecOptionWithSnapshot tells ExecRestrictedSQLWithContext to use a snapshot. func ExecOptionWithSnapshot(snapshot uint64) OptionFuncAlias { return func(option *ExecOption) { From 2fc1703a9c5c9a9a989368503647703e4f331f4f Mon Sep 17 00:00:00 2001 From: ekexium Date: Thu, 4 Feb 2021 16:09:46 +0800 Subject: [PATCH 0766/1021] session, exectutor: Guarantee external consistency by default; Add an explicit begin statement to disable it (#22597) Signed-off-by: ekexium --- executor/simple.go | 4 + go.mod | 12 +- go.sum | 32 ++-- kv/kv.go | 6 +- session/session.go | 7 +- sessionctx/variable/session.go | 167 ++++++++++---------- sessionctx/variable/sysvar.go | 2 +- sessionctx/variable/tidb_vars.go | 256 ++++++++++++++++--------------- store/tikv/1pc_test.go | 4 +- store/tikv/2pc.go | 11 +- store/tikv/async_commit_test.go | 12 +- store/tikv/txn.go | 4 + 12 files changed, 270 insertions(+), 247 deletions(-) diff --git a/executor/simple.go b/executor/simple.go index 2e308f6e05075..4fab9f98a3824 100644 --- a/executor/simple.go +++ b/executor/simple.go @@ -561,6 +561,7 @@ func (e *SimpleExec) executeBegin(ctx context.Context, s *ast.BeginStmt) error { if s.ReadOnly && s.Bound != nil { return e.executeStartTransactionReadOnlyWithTimestampBound(ctx, s) } + // If BEGIN is the first statement in TxnCtx, we can reuse the existing transaction, without the // need to call NewTxn, which commits the existing transaction and begins a new one. // If the last un-committed/un-rollback transaction is a time-bounded read-only transaction, we should @@ -591,6 +592,9 @@ func (e *SimpleExec) executeBegin(ctx context.Context, s *ast.BeginStmt) error { if e.ctx.GetSessionVars().TxnCtx.IsPessimistic { txn.SetOption(kv.Pessimistic, true) } + if s.CausalConsistencyOnly { + txn.SetOption(kv.GuaranteeLinearizability, false) + } return nil } diff --git a/go.mod b/go.mod index 0c25926f9cba7..dd1f6e5b593d4 100644 --- a/go.mod +++ b/go.mod @@ -46,7 +46,7 @@ require ( github.com/pingcap/goleveldb v0.0.0-20191226122134-f82aafb29989 github.com/pingcap/kvproto v0.0.0-20210125053538-4fb47d0584f2 github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 - github.com/pingcap/parser v0.0.0-20210125075924-ffe0fda947cb + github.com/pingcap/parser v0.0.0-20210203141130-32ef3e0e2e13 github.com/pingcap/sysutil v0.0.0-20201130064824-f0c8aa6a6966 github.com/pingcap/tidb-tools v4.0.9-0.20201127090955-2707c97b3853+incompatible github.com/pingcap/tipb v0.0.0-20201229060814-148bc717ce4c @@ -70,16 +70,16 @@ require ( go.uber.org/multierr v1.6.0 // indirect go.uber.org/zap v1.16.0 golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a // indirect - golang.org/x/net v0.0.0-20200904194848-62affa334b73 + golang.org/x/net v0.0.0-20201021035429-f5854403a974 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9 - golang.org/x/sys v0.0.0-20200819171115-d785dc25833f - golang.org/x/text v0.3.4 - golang.org/x/tools v0.0.0-20200820010801-b793a1359eac + golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4 + golang.org/x/text v0.3.5 + golang.org/x/tools v0.1.0 google.golang.org/grpc v1.27.1 gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b // indirect gopkg.in/natefinch/lumberjack.v2 v2.0.0 gopkg.in/yaml.v2 v2.3.0 // indirect - honnef.co/go/tools v0.1.0 // indirect + honnef.co/go/tools v0.1.1 // indirect sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0 sourcegraph.com/sourcegraph/appdash-data v0.0.0-20151005221446-73f23eafcf67 ) diff --git a/go.sum b/go.sum index 2050d944d0160..422c05de24b9f 100644 --- a/go.sum +++ b/go.sum @@ -654,8 +654,8 @@ github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8 h1:M+DNpOu/I3uDmwee6vc github.com/pingcap/log v0.0.0-20201112100606-8f1e84a3abc8/go.mod h1:4rbK1p9ILyIfb6hU7OG2CiWSqMXnp3JMbiaVJ6mvoY8= github.com/pingcap/parser v0.0.0-20190506092653-e336082eb825/go.mod h1:1FNvfp9+J0wvc4kl8eGNh7Rqrxveg15jJoWo/a0uHwA= github.com/pingcap/parser v0.0.0-20200422082501-7329d80eaf2c/go.mod h1:9v0Edh8IbgjGYW2ArJr19E+bvL8zKahsFp+ixWeId+4= -github.com/pingcap/parser v0.0.0-20210125075924-ffe0fda947cb h1:16lZkJzsAOIY781DmUgSU0El+GpV8fl3BohzVmHO1rE= -github.com/pingcap/parser v0.0.0-20210125075924-ffe0fda947cb/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= +github.com/pingcap/parser v0.0.0-20210203141130-32ef3e0e2e13 h1:hIbRR2siRrJniSRrMU+XgZl3reOWiPZk0P+7PwKXuEQ= +github.com/pingcap/parser v0.0.0-20210203141130-32ef3e0e2e13/go.mod h1:GbEr2PgY72/4XqPZzmzstlOU/+il/wrjeTNFs6ihsSE= github.com/pingcap/pd v2.1.5+incompatible/go.mod h1:nD3+EoYes4+aNNODO99ES59V83MZSI+dFbhyr667a0E= github.com/pingcap/pd/v4 v4.0.0-rc.1.0.20200422143320-428acd53eba2/go.mod h1:s+utZtXDznOiL24VK0qGmtoHjjXNsscJx3m1n8cC56s= github.com/pingcap/sysutil v0.0.0-20200206130906-2bfa6dc40bcd/go.mod h1:EB/852NMQ+aRKioCpToQ94Wl7fktV+FNnxf3CX/TTXI= @@ -890,7 +890,7 @@ github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1: github.com/yookoala/realpath v1.0.0/go.mod h1:gJJMA9wuX7AcqLy1+ffPatSCySA1FQ2S8Ya9AIoYBpE= github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= -github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= +github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= github.com/yuin/gopher-lua v0.0.0-20181031023651-12c4817b42c5/go.mod h1:aEV29XrmTYFr3CiRxZeGHpkvbwq+prZduBqMaascyCU= github.com/zaf/temp v0.0.0-20170209143821-94e385923345/go.mod h1:sXsZgXwh6DB0qlskmZVB4HE93e5YrktMrgUDPy9iYmY= github.com/zhangjinpeng1987/raft v0.0.0-20200819064223-df31bb68a018 h1:T3OrqVdcH6z6SakR7WkECvGpdkfB0MAur/6zf66GPxQ= @@ -1020,9 +1020,8 @@ golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLL golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= golang.org/x/net v0.0.0-20200421231249-e086a090c8fd/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= -golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA= -golang.org/x/net v0.0.0-20200904194848-62affa334b73 h1:MXfv8rhZWmFeqX3GNZRsd6vOLoaCHjYEX3qkRo3YBUA= -golang.org/x/net v0.0.0-20200904194848-62affa334b73/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA= +golang.org/x/net v0.0.0-20201021035429-f5854403a974 h1:IX6qOQeG5uLjB/hjjwjedwfjND0hgjPMMyO1RoIXQNI= +golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw= golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw= @@ -1035,7 +1034,6 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= -golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9 h1:SQFwaSi55rU7vdNs9Yr0Z324VNlrF+0wMqRXT4St8ck= golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= @@ -1080,14 +1078,15 @@ golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200413165638-669c56c373c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200420163511-1957bb5e6d1f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20200819171115-d785dc25833f h1:KJuwZVtZBVzDmEDtB2zro9CXkD9O0dpCv4o2LHbQIAw= -golang.org/x/sys v0.0.0-20200819171115-d785dc25833f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4 h1:myAQVi0cGEoqQVR5POX+8RR2mrocKqNN1hmeMqhX27k= +golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk= golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= -golang.org/x/text v0.3.4 h1:0YWbFKbhXG/wIiuHDSKpS0Iy7FSA+u45VtBMfQcFTTc= -golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= +golang.org/x/text v0.3.5 h1:i6eZZ+zk0SOf0xgBpEpPD18qWcJda6q1sxt3S0kzyUQ= +golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= @@ -1138,13 +1137,14 @@ golang.org/x/tools v0.0.0-20200325010219-a49f79bcc224/go.mod h1:Sl4aGygMT6LrqrWc golang.org/x/tools v0.0.0-20200325203130-f53864d0dba1/go.mod h1:Sl4aGygMT6LrqrWclx+PTx3U+LnKx/seiNR+3G19Ar8= golang.org/x/tools v0.0.0-20200422205258-72e4a01eba43/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= golang.org/x/tools v0.0.0-20200527183253-8e7acdbce89d/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= -golang.org/x/tools v0.0.0-20200609164405-eb789aa7ce50/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE= -golang.org/x/tools v0.0.0-20200820010801-b793a1359eac h1:DugppSxw0LSF8lcjaODPJZoDzq0ElTGskTst3ZaBkHI= -golang.org/x/tools v0.0.0-20200820010801-b793a1359eac/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA= +golang.org/x/tools v0.1.0 h1:po9/4sTYwZU9lPhi1tOrb4hCv3qrhiQ77LZfGa2OjwY= +golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4= golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE= +golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= gonum.org/v1/gonum v0.0.0-20180816165407-929014505bf4/go.mod h1:Y+Yx5eoAFn32cQvJDxZx5Dpnq+c3wtXuadVZAcxbbBo= gonum.org/v1/gonum v0.0.0-20181121035319-3f7ecaa7e8ca/go.mod h1:Y+Yx5eoAFn32cQvJDxZx5Dpnq+c3wtXuadVZAcxbbBo= gonum.org/v1/gonum v0.6.0/go.mod h1:9mxDZsDKxgMAuccQkewq682L+0eCu4dCN2yonUJTCLU= @@ -1256,8 +1256,8 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k= honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k= -honnef.co/go/tools v0.1.0 h1:AWNL1W1i7f0wNZ8VwOKNJ0sliKvOF/adn0EHenfUh+c= -honnef.co/go/tools v0.1.0/go.mod h1:XtegFAyX/PfluP4921rXU5IkjkqBCDnUq4W8VCIoKvM= +honnef.co/go/tools v0.1.1 h1:EVDuO03OCZwpV2t/tLLxPmPiomagMoBOgfPt0FM+4IY= +honnef.co/go/tools v0.1.1/go.mod h1:NgwopIslSNH47DimFoV78dnkksY2EFtX0ajyb3K/las= k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I= modernc.org/b v1.0.0/go.mod h1:uZWcZfRj1BpYzfN9JTerzlNUnnPsV9O2ZA8JsRcubNg= modernc.org/db v1.0.0/go.mod h1:kYD/cO29L/29RM0hXYl4i3+Q5VojL31kTUVpVJDw0s8= diff --git a/kv/kv.go b/kv/kv.go index 67373047acd37..cc5d2183f9b17 100644 --- a/kv/kv.go +++ b/kv/kv.go @@ -63,8 +63,8 @@ const ( EnableAsyncCommit // Enable1PC indicates whether one-phase commit is enabled Enable1PC - // GuaranteeExternalConsistency indicates whether to guarantee external consistency at the cost of an extra tso request before prewrite - GuaranteeExternalConsistency + // GuaranteeLinearizability indicates whether to guarantee linearizability at the cost of an extra tso request before prewrite + GuaranteeLinearizability // TxnScope indicates which @@txn_scope this transaction will work with. TxnScope // StalenessReadOnly indicates whether the transaction is staleness read only transaction @@ -266,6 +266,8 @@ type Transaction interface { // SetOption sets an option with a value, when val is nil, uses the default // value of this option. SetOption(opt Option, val interface{}) + // GetOption returns the option + GetOption(opt Option) interface{} // DelOption deletes an option. DelOption(opt Option) // IsReadOnly checks if the transaction has only performed read operations. diff --git a/session/session.go b/session/session.go index 16701a100ab1a..474c24d5d3efb 100644 --- a/session/session.go +++ b/session/session.go @@ -500,7 +500,10 @@ func (s *session) doCommit(ctx context.Context) error { } s.txn.SetOption(kv.EnableAsyncCommit, s.GetSessionVars().EnableAsyncCommit) s.txn.SetOption(kv.Enable1PC, s.GetSessionVars().Enable1PC) - s.txn.SetOption(kv.GuaranteeExternalConsistency, s.GetSessionVars().GuaranteeExternalConsistency) + // priority of the sysvar is lower than `start transaction with causal consistency only` + if s.txn.GetOption(kv.GuaranteeLinearizability) == nil { + s.txn.SetOption(kv.GuaranteeLinearizability, s.GetSessionVars().GuaranteeLinearizability) + } return s.txn.Commit(tikvutil.SetSessionID(ctx, s.GetSessionVars().ConnectionID)) } @@ -2631,7 +2634,7 @@ var builtinGlobalVariable = []string{ variable.TiDBEnableRateLimitAction, variable.TiDBEnableAsyncCommit, variable.TiDBEnable1PC, - variable.TiDBGuaranteeExternalConsistency, + variable.TiDBGuaranteeLinearizability, variable.TiDBAnalyzeVersion, variable.TiDBEnableIndexMergeJoin, variable.TiDBTrackAggregateMemoryUsage, diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go index d21b1b96f4f83..38b8c5767e2c0 100644 --- a/sessionctx/variable/session.go +++ b/sessionctx/variable/session.go @@ -795,7 +795,8 @@ type SessionVars struct { // Enable1PC indicates whether to enable the one-phase commit feature. Enable1PC bool - GuaranteeExternalConsistency bool + // GuaranteeLinearizability indicates whether to guarantee linearizability + GuaranteeLinearizability bool // AnalyzeVersion indicates how TiDB collect and use analyzed statistics. AnalyzeVersion int @@ -886,86 +887,86 @@ type ConnectionInfo struct { // NewSessionVars creates a session vars object. func NewSessionVars() *SessionVars { vars := &SessionVars{ - Users: make(map[string]types.Datum), - UserVarTypes: make(map[string]*types.FieldType), - systems: make(map[string]string), - stmtVars: make(map[string]string), - PreparedStmts: make(map[uint32]interface{}), - PreparedStmtNameToID: make(map[string]uint32), - PreparedParams: make([]types.Datum, 0, 10), - TxnCtx: &TransactionContext{}, - RetryInfo: &RetryInfo{}, - ActiveRoles: make([]*auth.RoleIdentity, 0, 10), - StrictSQLMode: true, - AutoIncrementIncrement: DefAutoIncrementIncrement, - AutoIncrementOffset: DefAutoIncrementOffset, - Status: mysql.ServerStatusAutocommit, - StmtCtx: new(stmtctx.StatementContext), - AllowAggPushDown: false, - AllowBCJ: false, - BroadcastJoinThresholdSize: DefBroadcastJoinThresholdSize, - BroadcastJoinThresholdCount: DefBroadcastJoinThresholdSize, - OptimizerSelectivityLevel: DefTiDBOptimizerSelectivityLevel, - RetryLimit: DefTiDBRetryLimit, - DisableTxnAutoRetry: DefTiDBDisableTxnAutoRetry, - DDLReorgPriority: kv.PriorityLow, - allowInSubqToJoinAndAgg: DefOptInSubqToJoinAndAgg, - preferRangeScan: DefOptPreferRangeScan, - CorrelationThreshold: DefOptCorrelationThreshold, - CorrelationExpFactor: DefOptCorrelationExpFactor, - CPUFactor: DefOptCPUFactor, - CopCPUFactor: DefOptCopCPUFactor, - CopTiFlashConcurrencyFactor: DefOptTiFlashConcurrencyFactor, - NetworkFactor: DefOptNetworkFactor, - ScanFactor: DefOptScanFactor, - DescScanFactor: DefOptDescScanFactor, - SeekFactor: DefOptSeekFactor, - MemoryFactor: DefOptMemoryFactor, - DiskFactor: DefOptDiskFactor, - ConcurrencyFactor: DefOptConcurrencyFactor, - EnableRadixJoin: false, - EnableVectorizedExpression: DefEnableVectorizedExpression, - L2CacheSize: cpuid.CPU.Cache.L2, - CommandValue: uint32(mysql.ComSleep), - TiDBOptJoinReorderThreshold: DefTiDBOptJoinReorderThreshold, - SlowQueryFile: config.GetGlobalConfig().Log.SlowQueryFile, - WaitSplitRegionFinish: DefTiDBWaitSplitRegionFinish, - WaitSplitRegionTimeout: DefWaitSplitRegionTimeout, - enableIndexMerge: false, - EnableNoopFuncs: DefTiDBEnableNoopFuncs, - replicaRead: kv.ReplicaReadLeader, - AllowRemoveAutoInc: DefTiDBAllowRemoveAutoInc, - UsePlanBaselines: DefTiDBUsePlanBaselines, - EvolvePlanBaselines: DefTiDBEvolvePlanBaselines, - EnableExtendedStats: false, - IsolationReadEngines: make(map[kv.StoreType]struct{}), - LockWaitTimeout: DefInnodbLockWaitTimeout * 1000, - MetricSchemaStep: DefTiDBMetricSchemaStep, - MetricSchemaRangeDuration: DefTiDBMetricSchemaRangeDuration, - SequenceState: NewSequenceState(), - WindowingUseHighPrecision: true, - PrevFoundInPlanCache: DefTiDBFoundInPlanCache, - FoundInPlanCache: DefTiDBFoundInPlanCache, - PrevFoundInBinding: DefTiDBFoundInBinding, - FoundInBinding: DefTiDBFoundInBinding, - SelectLimit: math.MaxUint64, - AllowAutoRandExplicitInsert: DefTiDBAllowAutoRandExplicitInsert, - EnableClusteredIndex: DefTiDBEnableClusteredIndex, - EnableParallelApply: DefTiDBEnableParallelApply, - ShardAllocateStep: DefTiDBShardAllocateStep, - EnableChangeColumnType: DefTiDBChangeColumnType, - EnableChangeMultiSchema: DefTiDBChangeMultiSchema, - EnablePointGetCache: DefTiDBPointGetCache, - EnableAlterPlacement: DefTiDBEnableAlterPlacement, - EnableAmendPessimisticTxn: DefTiDBEnableAmendPessimisticTxn, - PartitionPruneMode: *atomic2.NewString(DefTiDBPartitionPruneMode), - TxnScope: config.GetTxnScopeFromConfig(), - EnabledRateLimitAction: DefTiDBEnableRateLimitAction, - EnableAsyncCommit: DefTiDBEnableAsyncCommit, - Enable1PC: DefTiDBEnable1PC, - GuaranteeExternalConsistency: DefTiDBGuaranteeExternalConsistency, - AnalyzeVersion: DefTiDBAnalyzeVersion, - EnableIndexMergeJoin: DefTiDBEnableIndexMergeJoin, + Users: make(map[string]types.Datum), + UserVarTypes: make(map[string]*types.FieldType), + systems: make(map[string]string), + stmtVars: make(map[string]string), + PreparedStmts: make(map[uint32]interface{}), + PreparedStmtNameToID: make(map[string]uint32), + PreparedParams: make([]types.Datum, 0, 10), + TxnCtx: &TransactionContext{}, + RetryInfo: &RetryInfo{}, + ActiveRoles: make([]*auth.RoleIdentity, 0, 10), + StrictSQLMode: true, + AutoIncrementIncrement: DefAutoIncrementIncrement, + AutoIncrementOffset: DefAutoIncrementOffset, + Status: mysql.ServerStatusAutocommit, + StmtCtx: new(stmtctx.StatementContext), + AllowAggPushDown: false, + AllowBCJ: false, + BroadcastJoinThresholdSize: DefBroadcastJoinThresholdSize, + BroadcastJoinThresholdCount: DefBroadcastJoinThresholdSize, + OptimizerSelectivityLevel: DefTiDBOptimizerSelectivityLevel, + RetryLimit: DefTiDBRetryLimit, + DisableTxnAutoRetry: DefTiDBDisableTxnAutoRetry, + DDLReorgPriority: kv.PriorityLow, + allowInSubqToJoinAndAgg: DefOptInSubqToJoinAndAgg, + preferRangeScan: DefOptPreferRangeScan, + CorrelationThreshold: DefOptCorrelationThreshold, + CorrelationExpFactor: DefOptCorrelationExpFactor, + CPUFactor: DefOptCPUFactor, + CopCPUFactor: DefOptCopCPUFactor, + CopTiFlashConcurrencyFactor: DefOptTiFlashConcurrencyFactor, + NetworkFactor: DefOptNetworkFactor, + ScanFactor: DefOptScanFactor, + DescScanFactor: DefOptDescScanFactor, + SeekFactor: DefOptSeekFactor, + MemoryFactor: DefOptMemoryFactor, + DiskFactor: DefOptDiskFactor, + ConcurrencyFactor: DefOptConcurrencyFactor, + EnableRadixJoin: false, + EnableVectorizedExpression: DefEnableVectorizedExpression, + L2CacheSize: cpuid.CPU.Cache.L2, + CommandValue: uint32(mysql.ComSleep), + TiDBOptJoinReorderThreshold: DefTiDBOptJoinReorderThreshold, + SlowQueryFile: config.GetGlobalConfig().Log.SlowQueryFile, + WaitSplitRegionFinish: DefTiDBWaitSplitRegionFinish, + WaitSplitRegionTimeout: DefWaitSplitRegionTimeout, + enableIndexMerge: false, + EnableNoopFuncs: DefTiDBEnableNoopFuncs, + replicaRead: kv.ReplicaReadLeader, + AllowRemoveAutoInc: DefTiDBAllowRemoveAutoInc, + UsePlanBaselines: DefTiDBUsePlanBaselines, + EvolvePlanBaselines: DefTiDBEvolvePlanBaselines, + EnableExtendedStats: false, + IsolationReadEngines: make(map[kv.StoreType]struct{}), + LockWaitTimeout: DefInnodbLockWaitTimeout * 1000, + MetricSchemaStep: DefTiDBMetricSchemaStep, + MetricSchemaRangeDuration: DefTiDBMetricSchemaRangeDuration, + SequenceState: NewSequenceState(), + WindowingUseHighPrecision: true, + PrevFoundInPlanCache: DefTiDBFoundInPlanCache, + FoundInPlanCache: DefTiDBFoundInPlanCache, + PrevFoundInBinding: DefTiDBFoundInBinding, + FoundInBinding: DefTiDBFoundInBinding, + SelectLimit: math.MaxUint64, + AllowAutoRandExplicitInsert: DefTiDBAllowAutoRandExplicitInsert, + EnableClusteredIndex: DefTiDBEnableClusteredIndex, + EnableParallelApply: DefTiDBEnableParallelApply, + ShardAllocateStep: DefTiDBShardAllocateStep, + EnableChangeColumnType: DefTiDBChangeColumnType, + EnableChangeMultiSchema: DefTiDBChangeMultiSchema, + EnablePointGetCache: DefTiDBPointGetCache, + EnableAlterPlacement: DefTiDBEnableAlterPlacement, + EnableAmendPessimisticTxn: DefTiDBEnableAmendPessimisticTxn, + PartitionPruneMode: *atomic2.NewString(DefTiDBPartitionPruneMode), + TxnScope: config.GetTxnScopeFromConfig(), + EnabledRateLimitAction: DefTiDBEnableRateLimitAction, + EnableAsyncCommit: DefTiDBEnableAsyncCommit, + Enable1PC: DefTiDBEnable1PC, + GuaranteeLinearizability: DefTiDBGuaranteeLinearizability, + AnalyzeVersion: DefTiDBAnalyzeVersion, + EnableIndexMergeJoin: DefTiDBEnableIndexMergeJoin, } vars.KVVars = kv.NewVariables(&vars.Killed) vars.Concurrency = Concurrency{ @@ -1684,8 +1685,8 @@ func (s *SessionVars) SetSystemVar(name string, val string) error { s.EnableAsyncCommit = TiDBOptOn(val) case TiDBEnable1PC: s.Enable1PC = TiDBOptOn(val) - case TiDBGuaranteeExternalConsistency: - s.GuaranteeExternalConsistency = TiDBOptOn(val) + case TiDBGuaranteeLinearizability: + s.GuaranteeLinearizability = TiDBOptOn(val) case TiDBAnalyzeVersion: s.AnalyzeVersion = tidbOptPositiveInt32(val, DefTiDBAnalyzeVersion) case TiDBEnableIndexMergeJoin: diff --git a/sessionctx/variable/sysvar.go b/sessionctx/variable/sysvar.go index 07b09270eba06..efd2a64a03653 100644 --- a/sessionctx/variable/sysvar.go +++ b/sessionctx/variable/sysvar.go @@ -746,7 +746,7 @@ var defaultSysVars = []*SysVar{ {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableAmendPessimisticTxn, Value: BoolToOnOff(DefTiDBEnableAmendPessimisticTxn), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableAsyncCommit, Value: BoolToOnOff(DefTiDBEnableAsyncCommit), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnable1PC, Value: BoolToOnOff(DefTiDBEnable1PC), Type: TypeBool}, - {Scope: ScopeGlobal | ScopeSession, Name: TiDBGuaranteeExternalConsistency, Value: BoolToOnOff(DefTiDBGuaranteeExternalConsistency), Type: TypeBool}, + {Scope: ScopeGlobal | ScopeSession, Name: TiDBGuaranteeLinearizability, Value: BoolToOnOff(DefTiDBGuaranteeLinearizability), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBAnalyzeVersion, Value: strconv.Itoa(DefTiDBAnalyzeVersion), Type: TypeInt, MinValue: 1, MaxValue: 2}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBEnableIndexMergeJoin, Value: BoolToOnOff(DefTiDBEnableIndexMergeJoin), Type: TypeBool}, {Scope: ScopeGlobal | ScopeSession, Name: TiDBTrackAggregateMemoryUsage, Value: BoolToOnOff(DefTiDBTrackAggregateMemoryUsage), Type: TypeBool}, diff --git a/sessionctx/variable/tidb_vars.go b/sessionctx/variable/tidb_vars.go index 270ec94a75e4f..898d65747b562 100644 --- a/sessionctx/variable/tidb_vars.go +++ b/sessionctx/variable/tidb_vars.go @@ -509,8 +509,8 @@ const ( // TiDBEnable1PC indicates whether to enable the one-phase commit feature. TiDBEnable1PC = "tidb_enable_1pc" - // TiDBGuaranteeExternalConsistency indicates whether maintain the external consistency. - TiDBGuaranteeExternalConsistency = "tidb_guarantee_external_consistency" + // TiDBGuaranteeLinearizability indicates whether to guarantee linearizability. + TiDBGuaranteeLinearizability = "tidb_guarantee_linearizability" // TiDBAnalyzeVersion indicates the how tidb collects the analyzed statistics and how use to it. TiDBAnalyzeVersion = "tidb_analyze_version" @@ -542,127 +542,127 @@ const ( // Default TiDB system variable values. const ( - DefHostname = "localhost" - DefIndexLookupConcurrency = ConcurrencyUnset - DefIndexLookupJoinConcurrency = ConcurrencyUnset - DefIndexSerialScanConcurrency = 1 - DefIndexJoinBatchSize = 25000 - DefIndexLookupSize = 20000 - DefDistSQLScanConcurrency = 15 - DefBuildStatsConcurrency = 4 - DefAutoAnalyzeRatio = 0.5 - DefAutoAnalyzeStartTime = "00:00 +0000" - DefAutoAnalyzeEndTime = "23:59 +0000" - DefAutoIncrementIncrement = 1 - DefAutoIncrementOffset = 1 - DefChecksumTableConcurrency = 4 - DefSkipUTF8Check = false - DefSkipASCIICheck = false - DefOptAggPushDown = false - DefOptBCJ = false - DefOptWriteRowID = false - DefOptCorrelationThreshold = 0.9 - DefOptCorrelationExpFactor = 1 - DefOptCPUFactor = 3.0 - DefOptCopCPUFactor = 3.0 - DefOptTiFlashConcurrencyFactor = 24.0 - DefOptNetworkFactor = 1.0 - DefOptScanFactor = 1.5 - DefOptDescScanFactor = 3.0 - DefOptSeekFactor = 20.0 - DefOptMemoryFactor = 0.001 - DefOptDiskFactor = 1.5 - DefOptConcurrencyFactor = 3.0 - DefOptInSubqToJoinAndAgg = true - DefOptPreferRangeScan = false - DefBatchInsert = false - DefBatchDelete = false - DefBatchCommit = false - DefCurretTS = 0 - DefInitChunkSize = 32 - DefMaxChunkSize = 1024 - DefDMLBatchSize = 0 - DefMaxPreparedStmtCount = -1 - DefWaitTimeout = 0 - DefTiDBMemQuotaApplyCache = 32 << 20 // 32MB. - DefTiDBMemQuotaHashJoin = 32 << 30 // 32GB. - DefTiDBMemQuotaMergeJoin = 32 << 30 // 32GB. - DefTiDBMemQuotaSort = 32 << 30 // 32GB. - DefTiDBMemQuotaTopn = 32 << 30 // 32GB. - DefTiDBMemQuotaIndexLookupReader = 32 << 30 // 32GB. - DefTiDBMemQuotaIndexLookupJoin = 32 << 30 // 32GB. - DefTiDBMemQuotaDistSQL = 32 << 30 // 32GB. - DefTiDBGeneralLog = false - DefTiDBPProfSQLCPU = 0 - DefTiDBRetryLimit = 10 - DefTiDBDisableTxnAutoRetry = true - DefTiDBConstraintCheckInPlace = false - DefTiDBHashJoinConcurrency = ConcurrencyUnset - DefTiDBProjectionConcurrency = ConcurrencyUnset - DefBroadcastJoinThresholdSize = 100 * 1024 * 1024 - DefBroadcastJoinThresholdCount = 10 * 1024 - DefTiDBOptimizerSelectivityLevel = 0 - DefTiDBAllowBatchCop = 1 - DefTiDBAllowMPPExecution = false - DefTiDBTxnMode = "" - DefTiDBRowFormatV1 = 1 - DefTiDBRowFormatV2 = 2 - DefTiDBDDLReorgWorkerCount = 4 - DefTiDBDDLReorgBatchSize = 256 - DefTiDBDDLErrorCountLimit = 512 - DefTiDBMaxDeltaSchemaCount = 1024 - DefTiDBChangeColumnType = false - DefTiDBChangeMultiSchema = false - DefTiDBPointGetCache = false - DefTiDBEnableAlterPlacement = false - DefTiDBHashAggPartialConcurrency = ConcurrencyUnset - DefTiDBHashAggFinalConcurrency = ConcurrencyUnset - DefTiDBWindowConcurrency = ConcurrencyUnset - DefTiDBMergeJoinConcurrency = 1 // disable optimization by default - DefTiDBStreamAggConcurrency = 1 - DefTiDBForcePriority = mysql.NoPriority - DefTiDBUseRadixJoin = false - DefEnableWindowFunction = true - DefEnableStrictDoubleTypeCheck = true - DefEnableVectorizedExpression = true - DefTiDBOptJoinReorderThreshold = 0 - DefTiDBDDLSlowOprThreshold = 300 - DefTiDBUseFastAnalyze = false - DefTiDBSkipIsolationLevelCheck = false - DefTiDBExpensiveQueryTimeThreshold = 60 // 60s - DefTiDBScatterRegion = false - DefTiDBWaitSplitRegionFinish = true - DefWaitSplitRegionTimeout = 300 // 300s - DefTiDBEnableNoopFuncs = false - DefTiDBAllowRemoveAutoInc = false - DefTiDBUsePlanBaselines = true - DefTiDBEvolvePlanBaselines = false - DefTiDBEvolvePlanTaskMaxTime = 600 // 600s - DefTiDBEvolvePlanTaskStartTime = "00:00 +0000" - DefTiDBEvolvePlanTaskEndTime = "23:59 +0000" - DefInnodbLockWaitTimeout = 50 // 50s - DefTiDBStoreLimit = 0 - DefTiDBMetricSchemaStep = 60 // 60s - DefTiDBMetricSchemaRangeDuration = 60 // 60s - DefTiDBFoundInPlanCache = false - DefTiDBFoundInBinding = false - DefTiDBEnableCollectExecutionInfo = true - DefTiDBAllowAutoRandExplicitInsert = false - DefTiDBEnableClusteredIndex = false - DefTiDBRedactLog = false - DefTiDBShardAllocateStep = math.MaxInt64 - DefTiDBEnableTelemetry = true - DefTiDBEnableParallelApply = false - DefTiDBEnableAmendPessimisticTxn = false - DefTiDBPartitionPruneMode = "static-only" - DefTiDBEnableRateLimitAction = true - DefTiDBEnableAsyncCommit = false - DefTiDBEnable1PC = false - DefTiDBGuaranteeExternalConsistency = false - DefTiDBAnalyzeVersion = 1 - DefTiDBEnableIndexMergeJoin = false - DefTiDBTrackAggregateMemoryUsage = false - DefTiDBEnableExchangePartition = false + DefHostname = "localhost" + DefIndexLookupConcurrency = ConcurrencyUnset + DefIndexLookupJoinConcurrency = ConcurrencyUnset + DefIndexSerialScanConcurrency = 1 + DefIndexJoinBatchSize = 25000 + DefIndexLookupSize = 20000 + DefDistSQLScanConcurrency = 15 + DefBuildStatsConcurrency = 4 + DefAutoAnalyzeRatio = 0.5 + DefAutoAnalyzeStartTime = "00:00 +0000" + DefAutoAnalyzeEndTime = "23:59 +0000" + DefAutoIncrementIncrement = 1 + DefAutoIncrementOffset = 1 + DefChecksumTableConcurrency = 4 + DefSkipUTF8Check = false + DefSkipASCIICheck = false + DefOptAggPushDown = false + DefOptBCJ = false + DefOptWriteRowID = false + DefOptCorrelationThreshold = 0.9 + DefOptCorrelationExpFactor = 1 + DefOptCPUFactor = 3.0 + DefOptCopCPUFactor = 3.0 + DefOptTiFlashConcurrencyFactor = 24.0 + DefOptNetworkFactor = 1.0 + DefOptScanFactor = 1.5 + DefOptDescScanFactor = 3.0 + DefOptSeekFactor = 20.0 + DefOptMemoryFactor = 0.001 + DefOptDiskFactor = 1.5 + DefOptConcurrencyFactor = 3.0 + DefOptInSubqToJoinAndAgg = true + DefOptPreferRangeScan = false + DefBatchInsert = false + DefBatchDelete = false + DefBatchCommit = false + DefCurretTS = 0 + DefInitChunkSize = 32 + DefMaxChunkSize = 1024 + DefDMLBatchSize = 0 + DefMaxPreparedStmtCount = -1 + DefWaitTimeout = 0 + DefTiDBMemQuotaApplyCache = 32 << 20 // 32MB. + DefTiDBMemQuotaHashJoin = 32 << 30 // 32GB. + DefTiDBMemQuotaMergeJoin = 32 << 30 // 32GB. + DefTiDBMemQuotaSort = 32 << 30 // 32GB. + DefTiDBMemQuotaTopn = 32 << 30 // 32GB. + DefTiDBMemQuotaIndexLookupReader = 32 << 30 // 32GB. + DefTiDBMemQuotaIndexLookupJoin = 32 << 30 // 32GB. + DefTiDBMemQuotaDistSQL = 32 << 30 // 32GB. + DefTiDBGeneralLog = false + DefTiDBPProfSQLCPU = 0 + DefTiDBRetryLimit = 10 + DefTiDBDisableTxnAutoRetry = true + DefTiDBConstraintCheckInPlace = false + DefTiDBHashJoinConcurrency = ConcurrencyUnset + DefTiDBProjectionConcurrency = ConcurrencyUnset + DefBroadcastJoinThresholdSize = 100 * 1024 * 1024 + DefBroadcastJoinThresholdCount = 10 * 1024 + DefTiDBOptimizerSelectivityLevel = 0 + DefTiDBAllowBatchCop = 1 + DefTiDBAllowMPPExecution = false + DefTiDBTxnMode = "" + DefTiDBRowFormatV1 = 1 + DefTiDBRowFormatV2 = 2 + DefTiDBDDLReorgWorkerCount = 4 + DefTiDBDDLReorgBatchSize = 256 + DefTiDBDDLErrorCountLimit = 512 + DefTiDBMaxDeltaSchemaCount = 1024 + DefTiDBChangeColumnType = false + DefTiDBChangeMultiSchema = false + DefTiDBPointGetCache = false + DefTiDBEnableAlterPlacement = false + DefTiDBHashAggPartialConcurrency = ConcurrencyUnset + DefTiDBHashAggFinalConcurrency = ConcurrencyUnset + DefTiDBWindowConcurrency = ConcurrencyUnset + DefTiDBMergeJoinConcurrency = 1 // disable optimization by default + DefTiDBStreamAggConcurrency = 1 + DefTiDBForcePriority = mysql.NoPriority + DefTiDBUseRadixJoin = false + DefEnableWindowFunction = true + DefEnableStrictDoubleTypeCheck = true + DefEnableVectorizedExpression = true + DefTiDBOptJoinReorderThreshold = 0 + DefTiDBDDLSlowOprThreshold = 300 + DefTiDBUseFastAnalyze = false + DefTiDBSkipIsolationLevelCheck = false + DefTiDBExpensiveQueryTimeThreshold = 60 // 60s + DefTiDBScatterRegion = false + DefTiDBWaitSplitRegionFinish = true + DefWaitSplitRegionTimeout = 300 // 300s + DefTiDBEnableNoopFuncs = false + DefTiDBAllowRemoveAutoInc = false + DefTiDBUsePlanBaselines = true + DefTiDBEvolvePlanBaselines = false + DefTiDBEvolvePlanTaskMaxTime = 600 // 600s + DefTiDBEvolvePlanTaskStartTime = "00:00 +0000" + DefTiDBEvolvePlanTaskEndTime = "23:59 +0000" + DefInnodbLockWaitTimeout = 50 // 50s + DefTiDBStoreLimit = 0 + DefTiDBMetricSchemaStep = 60 // 60s + DefTiDBMetricSchemaRangeDuration = 60 // 60s + DefTiDBFoundInPlanCache = false + DefTiDBFoundInBinding = false + DefTiDBEnableCollectExecutionInfo = true + DefTiDBAllowAutoRandExplicitInsert = false + DefTiDBEnableClusteredIndex = false + DefTiDBRedactLog = false + DefTiDBShardAllocateStep = math.MaxInt64 + DefTiDBEnableTelemetry = true + DefTiDBEnableParallelApply = false + DefTiDBEnableAmendPessimisticTxn = false + DefTiDBPartitionPruneMode = "static-only" + DefTiDBEnableRateLimitAction = true + DefTiDBEnableAsyncCommit = false + DefTiDBEnable1PC = false + DefTiDBGuaranteeLinearizability = true + DefTiDBAnalyzeVersion = 1 + DefTiDBEnableIndexMergeJoin = false + DefTiDBTrackAggregateMemoryUsage = false + DefTiDBEnableExchangePartition = false ) // Process global variables. @@ -691,7 +691,15 @@ var ( ) // FeatureSwitchVariables is used to filter result of show variables, these switches should be turn blind to users. -var FeatureSwitchVariables = []string{TiDBEnableChangeColumnType, TiDBEnablePointGetCache, TiDBEnableAlterPlacement, TiDBEnableChangeMultiSchema} +var FeatureSwitchVariables = []string{ + TiDBEnableChangeColumnType, + TiDBEnablePointGetCache, + TiDBEnableAlterPlacement, + TiDBEnableChangeMultiSchema, + TiDBEnableAsyncCommit, + TiDBEnable1PC, + TiDBGuaranteeLinearizability, +} // FilterImplicitFeatureSwitch is used to filter result of show variables, these switches should be turn blind to users. func FilterImplicitFeatureSwitch(sysVar *SysVar) bool { diff --git a/store/tikv/1pc_test.go b/store/tikv/1pc_test.go index 95050a178042c..bab299da1e5c7 100644 --- a/store/tikv/1pc_test.go +++ b/store/tikv/1pc_test.go @@ -224,9 +224,9 @@ func (s *testOnePCSuite) Test1PCDisallowMultiRegion(c *C) { } } -// It's just a simple validation of external consistency. +// It's just a simple validation of linearizability. // Extra tests are needed to test this feature with the control of the TiKV cluster. -func (s *testOnePCSuite) Test1PCExternalConsistency(c *C) { +func (s *testOnePCSuite) Test1PCLinearizability(c *C) { t1, err := s.store.Begin() c.Assert(err, IsNil) t2, err := s.store.Begin() diff --git a/store/tikv/2pc.go b/store/tikv/2pc.go index 4329c69625118..0fc577a954b14 100644 --- a/store/tikv/2pc.go +++ b/store/tikv/2pc.go @@ -995,9 +995,10 @@ func (c *twoPhaseCommitter) checkOnePC() bool { return c.sessionID > 0 && !c.shouldWriteBinlog() && enable1PCOption != nil && enable1PCOption.(bool) } -func (c *twoPhaseCommitter) needExternalConsistency() bool { - guaranteeExternalConsistencyOption := c.txn.us.GetOption(kv.GuaranteeExternalConsistency) - return guaranteeExternalConsistencyOption != nil && guaranteeExternalConsistencyOption.(bool) +func (c *twoPhaseCommitter) needLinearizability() bool { + GuaranteeLinearizabilityOption := c.txn.us.GetOption(kv.GuaranteeLinearizability) + // by default, guarantee + return GuaranteeLinearizabilityOption == nil || GuaranteeLinearizabilityOption.(bool) } func (c *twoPhaseCommitter) isAsyncCommit() bool { @@ -1111,11 +1112,11 @@ func (c *twoPhaseCommitter) execute(ctx context.Context) (err error) { commitTSMayBeCalculated = true c.setOnePC(true) } - // If we want to use async commit or 1PC and also want external consistency across + // If we want to use async commit or 1PC and also want linearizability across // all nodes, we have to make sure the commit TS of this transaction is greater // than the snapshot TS of all existent readers. So we get a new timestamp // from PD as our MinCommitTS. - if commitTSMayBeCalculated && c.needExternalConsistency() { + if commitTSMayBeCalculated && c.needLinearizability() { minCommitTS, err := c.store.oracle.GetTimestamp(ctx, &oracle.Option{TxnScope: oracle.GlobalTxnScope}) // If we fail to get a timestamp from PD, we just propagate the failure // instead of falling back to the normal 2PC because a normal 2PC will diff --git a/store/tikv/async_commit_test.go b/store/tikv/async_commit_test.go index 9518c14a885a6..3a34c05e68dfa 100644 --- a/store/tikv/async_commit_test.go +++ b/store/tikv/async_commit_test.go @@ -115,9 +115,9 @@ func (s *testAsyncCommitCommon) mustGetNoneFromSnapshot(c *C, version uint64, ke c.Assert(errors.Cause(err), Equals, kv.ErrNotExist) } -func (s *testAsyncCommitCommon) beginAsyncCommitWithExternalConsistency(c *C) *tikvTxn { +func (s *testAsyncCommitCommon) beginAsyncCommitWithLinearizability(c *C) *tikvTxn { txn := s.beginAsyncCommit(c) - txn.SetOption(kv.GuaranteeExternalConsistency, true) + txn.SetOption(kv.GuaranteeLinearizability, true) return txn } @@ -366,11 +366,11 @@ func (s *testAsyncCommitSuite) TestRepeatableRead(c *C) { test(true) } -// It's just a simple validation of external consistency. +// It's just a simple validation of linearizability. // Extra tests are needed to test this feature with the control of the TiKV cluster. -func (s *testAsyncCommitSuite) TestAsyncCommitExternalConsistency(c *C) { - t1 := s.beginAsyncCommitWithExternalConsistency(c) - t2 := s.beginAsyncCommitWithExternalConsistency(c) +func (s *testAsyncCommitSuite) TestAsyncCommitLinearizability(c *C) { + t1 := s.beginAsyncCommitWithLinearizability(c) + t2 := s.beginAsyncCommitWithLinearizability(c) err := t1.Set([]byte("a"), []byte("a1")) c.Assert(err, IsNil) err = t2.Set([]byte("b"), []byte("b1")) diff --git a/store/tikv/txn.go b/store/tikv/txn.go index 587e831fa5abe..e4e8bcf20d7b7 100644 --- a/store/tikv/txn.go +++ b/store/tikv/txn.go @@ -189,6 +189,10 @@ func (txn *tikvTxn) SetOption(opt kv.Option, val interface{}) { } } +func (txn *tikvTxn) GetOption(opt kv.Option) interface{} { + return txn.us.GetOption(opt) +} + func (txn *tikvTxn) DelOption(opt kv.Option) { txn.us.DelOption(opt) } From e62d1d472c5f002f47fd0a0bbbf4ce4a587b233b Mon Sep 17 00:00:00 2001 From: Zhuomin Liu Date: Thu, 4 Feb 2021 17:10:21 +0800 Subject: [PATCH 0767/1021] *: add some explain tests for cluster index (#22720) Signed-off-by: lzmhhh123 --- .gitignore | 1 + cmd/explaintest/r/clustered_index.result | 137 + cmd/explaintest/run-tests.sh | 10 + cmd/explaintest/s.zip | Bin 0 -> 3565602 bytes .../s/explain_complex_stats_dd.json | 1 - .../s/explain_complex_stats_dt.json | 1 - .../s/explain_complex_stats_pp.json | 1 - .../s/explain_complex_stats_rr.json | 1 - .../s/explain_complex_stats_st.json | 1 - .../s/explain_complex_stats_tbl_001.json | 1 - .../s/explain_complex_stats_tbl_002.json | 1 - .../s/explain_complex_stats_tbl_003.json | 1 - .../s/explain_complex_stats_tbl_004.json | 1 - .../s/explain_complex_stats_tbl_005.json | 1 - .../s/explain_complex_stats_tbl_006.json | 1 - .../s/explain_complex_stats_tbl_007.json | 1 - .../s/explain_complex_stats_tbl_008.json | 1 - .../s/explain_complex_stats_tbl_009.json | 1 - .../s/explain_easy_stats_index_prune.json | 1 - cmd/explaintest/s/explain_easy_stats_t1.json | 1 - cmd/explaintest/s/explain_easy_stats_t2.json | 1 - cmd/explaintest/s/explain_easy_stats_t3.json | 1 - .../s/explain_easy_stats_tbl_dnf.json | 1 - .../s/explain_indexmerge_stats_t.json | 1 - cmd/explaintest/s/explain_join_stats_e.json | 46859 ------------- cmd/explaintest/s/explain_join_stats_lo.json | 1522 - cmd/explaintest/s/explain_stats_t.json | 1 - cmd/explaintest/s/explain_union_scan.json | 55951 ---------------- cmd/explaintest/s/tpch_stats/customer.json | 1 - cmd/explaintest/s/tpch_stats/lineitem.json | 1 - cmd/explaintest/s/tpch_stats/nation.json | 1 - cmd/explaintest/s/tpch_stats/orders.json | 1 - cmd/explaintest/s/tpch_stats/part.json | 1 - cmd/explaintest/s/tpch_stats/partsupp.json | 1 - cmd/explaintest/s/tpch_stats/region.json | 1 - cmd/explaintest/s/tpch_stats/supplier.json | 1 - cmd/explaintest/t/clustered_index.test | 57 + 37 files changed, 205 insertions(+), 104361 deletions(-) create mode 100644 cmd/explaintest/r/clustered_index.result create mode 100644 cmd/explaintest/s.zip delete mode 100644 cmd/explaintest/s/explain_complex_stats_dd.json delete mode 100644 cmd/explaintest/s/explain_complex_stats_dt.json delete mode 100644 cmd/explaintest/s/explain_complex_stats_pp.json delete mode 100644 cmd/explaintest/s/explain_complex_stats_rr.json delete mode 100644 cmd/explaintest/s/explain_complex_stats_st.json delete mode 100644 cmd/explaintest/s/explain_complex_stats_tbl_001.json delete mode 100644 cmd/explaintest/s/explain_complex_stats_tbl_002.json delete mode 100644 cmd/explaintest/s/explain_complex_stats_tbl_003.json delete mode 100644 cmd/explaintest/s/explain_complex_stats_tbl_004.json delete mode 100644 cmd/explaintest/s/explain_complex_stats_tbl_005.json delete mode 100644 cmd/explaintest/s/explain_complex_stats_tbl_006.json delete mode 100644 cmd/explaintest/s/explain_complex_stats_tbl_007.json delete mode 100644 cmd/explaintest/s/explain_complex_stats_tbl_008.json delete mode 100644 cmd/explaintest/s/explain_complex_stats_tbl_009.json delete mode 100644 cmd/explaintest/s/explain_easy_stats_index_prune.json delete mode 100644 cmd/explaintest/s/explain_easy_stats_t1.json delete mode 100644 cmd/explaintest/s/explain_easy_stats_t2.json delete mode 100644 cmd/explaintest/s/explain_easy_stats_t3.json delete mode 100644 cmd/explaintest/s/explain_easy_stats_tbl_dnf.json delete mode 100644 cmd/explaintest/s/explain_indexmerge_stats_t.json delete mode 100644 cmd/explaintest/s/explain_join_stats_e.json delete mode 100644 cmd/explaintest/s/explain_join_stats_lo.json delete mode 100644 cmd/explaintest/s/explain_stats_t.json delete mode 100644 cmd/explaintest/s/explain_union_scan.json delete mode 100644 cmd/explaintest/s/tpch_stats/customer.json delete mode 100644 cmd/explaintest/s/tpch_stats/lineitem.json delete mode 100644 cmd/explaintest/s/tpch_stats/nation.json delete mode 100644 cmd/explaintest/s/tpch_stats/orders.json delete mode 100644 cmd/explaintest/s/tpch_stats/part.json delete mode 100644 cmd/explaintest/s/tpch_stats/partsupp.json delete mode 100644 cmd/explaintest/s/tpch_stats/region.json delete mode 100644 cmd/explaintest/s/tpch_stats/supplier.json create mode 100644 cmd/explaintest/t/clustered_index.test diff --git a/.gitignore b/.gitignore index e11a1a162adaa..f1d8731e36d6b 100644 --- a/.gitignore +++ b/.gitignore @@ -12,6 +12,7 @@ explain_test cmd/explaintest/explain-test.out cmd/explaintest/explaintest_tidb-server cmd/explaintest/portgenerator +cmd/explaintest/s/ *.fail.go tools/bin/ vendor diff --git a/cmd/explaintest/r/clustered_index.result b/cmd/explaintest/r/clustered_index.result new file mode 100644 index 0000000000000..7a02dd8c7483c --- /dev/null +++ b/cmd/explaintest/r/clustered_index.result @@ -0,0 +1,137 @@ +drop database if exists with_cluster_index; +create database with_cluster_index; +drop database if exists wout_cluster_index; +create database wout_cluster_index; +use with_cluster_index; +set @@tidb_enable_clustered_index = 1; +create table tbl_0 ( col_0 decimal not null , col_1 blob(207) , col_2 text , col_3 datetime default '1986-07-01' , col_4 bigint unsigned default 1504335725690712365 , primary key idx_0 ( col_3,col_2(1),col_1(6) ) , key idx_1 ( col_3 ) , unique key idx_2 ( col_3 ) , unique key idx_3 ( col_0 ) , key idx_4 ( col_1(1),col_2(1) ) , key idx_5 ( col_2(1) ) ) ; +create table tbl_1 ( col_5 char(135) , col_6 bit(17) default 50609 not null , col_7 char(202) default 'IoQWYoGdbbgBDlxpDHQ' , col_8 char(213) , col_9 time not null , primary key idx_6 ( col_6 ) , unique key idx_7 ( col_5 ) ) ; +create table tbl_2 ( col_10 datetime default '1976-05-11' , col_11 datetime , col_12 float , col_13 double(56,29) default 18.0118 , col_14 char not null , primary key idx_8 ( col_14,col_13,col_10 ) , key idx_9 ( col_11 ) ) ; +create table tbl_3 ( col_15 tinyint default -91 not null , col_16 bit(61) default 990141831018971350 not null , col_17 double(244,22) default 3985 not null , col_18 binary(32) default 'kxMlWqvpxXNBlxoU' , col_19 text(401) , primary key idx_10 ( col_18,col_19(4) ) , key idx_11 ( col_17,col_18,col_19(2),col_15,col_16 ) , unique key idx_12 ( col_17 ) ) ; +create table tbl_4 ( col_20 double(230,16) default 8.49 not null , col_21 int unsigned not null , col_22 enum('Alice','Bob','Charlie','David') not null , col_23 float default 3066.13040283622 , col_24 datetime default '1980-10-27' not null , primary key idx_13 ( col_22,col_24 ) , key idx_14 ( col_23,col_20 ) , key idx_15 ( col_24 ) , key idx_16 ( col_20 ) , unique key idx_17 ( col_24 ) , key idx_18 ( col_21 ) ) ; +load stats 's/with_cluster_index_tbl_0.json'; +load stats 's/with_cluster_index_tbl_1.json'; +load stats 's/with_cluster_index_tbl_2.json'; +load stats 's/with_cluster_index_tbl_3.json'; +load stats 's/with_cluster_index_tbl_4.json'; +use wout_cluster_index; +set @@tidb_enable_clustered_index = 0; +create table tbl_0 ( col_0 decimal not null , col_1 blob(207) , col_2 text , col_3 datetime default '1986-07-01' , col_4 bigint unsigned default 1504335725690712365 , primary key idx_0 ( col_3,col_2(1),col_1(6) ) , key idx_1 ( col_3 ) , unique key idx_2 ( col_3 ) , unique key idx_3 ( col_0 ) , key idx_4 ( col_1(1),col_2(1) ) , key idx_5 ( col_2(1) ) ) ; +create table tbl_1 ( col_5 char(135) , col_6 bit(17) default 50609 not null , col_7 char(202) default 'IoQWYoGdbbgBDlxpDHQ' , col_8 char(213) , col_9 time not null , primary key idx_6 ( col_6 ) , unique key idx_7 ( col_5 ) ) ; +create table tbl_2 ( col_10 datetime default '1976-05-11' , col_11 datetime , col_12 float , col_13 double(56,29) default 18.0118 , col_14 char not null , primary key idx_8 ( col_14,col_13,col_10 ) , key idx_9 ( col_11 ) ) ; +create table tbl_3 ( col_15 tinyint default -91 not null , col_16 bit(61) default 990141831018971350 not null , col_17 double(244,22) default 3985 not null , col_18 binary(32) default 'kxMlWqvpxXNBlxoU' , col_19 text(401) , primary key idx_10 ( col_18,col_19(4) ) , key idx_11 ( col_17,col_18,col_19(2),col_15,col_16 ) , unique key idx_12 ( col_17 ) ) ; +create table tbl_4 ( col_20 double(230,16) default 8.49 not null , col_21 int unsigned not null , col_22 enum('Alice','Bob','Charlie','David') not null , col_23 float default 3066.13040283622 , col_24 datetime default '1980-10-27' not null , primary key idx_13 ( col_22,col_24 ) , key idx_14 ( col_23,col_20 ) , key idx_15 ( col_24 ) , key idx_16 ( col_20 ) , unique key idx_17 ( col_24 ) , key idx_18 ( col_21 ) ) ; +load stats 's/wout_cluster_index_tbl_0.json'; +load stats 's/wout_cluster_index_tbl_1.json'; +load stats 's/wout_cluster_index_tbl_2.json'; +load stats 's/wout_cluster_index_tbl_3.json'; +load stats 's/wout_cluster_index_tbl_4.json'; +explain select count(*) from with_cluster_index.tbl_0 where col_0 < 5429 ; +id estRows task access object operator info +StreamAgg_27 1.00 root funcs:count(Column#9)->Column#6 +└─TableReader_28 1.00 root data:StreamAgg_9 + └─StreamAgg_9 1.00 cop[tikv] funcs:count(1)->Column#9 + └─Selection_26 798.90 cop[tikv] lt(with_cluster_index.tbl_0.col_0, 5429) + └─TableFullScan_25 2244.00 cop[tikv] table:tbl_0 keep order:false +explain select count(*) from wout_cluster_index.tbl_0 where col_0 < 5429 ; +id estRows task access object operator info +StreamAgg_17 1.00 root funcs:count(Column#9)->Column#7 +└─IndexReader_18 1.00 root index:StreamAgg_9 + └─StreamAgg_9 1.00 cop[tikv] funcs:count(1)->Column#9 + └─IndexRangeScan_16 798.90 cop[tikv] table:tbl_0, index:idx_3(col_0) range:[-inf,5429), keep order:false +explain select count(*) from with_cluster_index.tbl_0 where col_0 < 41 ; +id estRows task access object operator info +HashAgg_17 1.00 root funcs:count(Column#8)->Column#6 +└─IndexLookUp_18 1.00 root + ├─IndexRangeScan_15(Build) 41.00 cop[tikv] table:tbl_0, index:idx_3(col_0) range:[-inf,41), keep order:false + └─HashAgg_7(Probe) 1.00 cop[tikv] funcs:count(1)->Column#8 + └─TableRowIDScan_16 41.00 cop[tikv] table:tbl_0 keep order:false +explain select count(*) from wout_cluster_index.tbl_0 where col_0 < 41 ; +id estRows task access object operator info +StreamAgg_17 1.00 root funcs:count(Column#9)->Column#7 +└─IndexReader_18 1.00 root index:StreamAgg_9 + └─StreamAgg_9 1.00 cop[tikv] funcs:count(1)->Column#9 + └─IndexRangeScan_16 41.00 cop[tikv] table:tbl_0, index:idx_3(col_0) range:[-inf,41), keep order:false +explain select col_14 from with_cluster_index.tbl_2 where col_11 <> '2013-11-01' ; +id estRows task access object operator info +Projection_4 4509.00 root with_cluster_index.tbl_2.col_14 +└─IndexReader_6 4509.00 root index:IndexRangeScan_5 + └─IndexRangeScan_5 4509.00 cop[tikv] table:tbl_2, index:idx_9(col_11) range:[-inf,2013-11-01 00:00:00), (2013-11-01 00:00:00,+inf], keep order:false +explain select col_14 from wout_cluster_index.tbl_2 where col_11 <> '2013-11-01' ; +id estRows task access object operator info +Projection_4 4509.00 root wout_cluster_index.tbl_2.col_14 +└─TableReader_7 4509.00 root data:Selection_6 + └─Selection_6 4509.00 cop[tikv] ne(wout_cluster_index.tbl_2.col_11, 2013-11-01 00:00:00.000000) + └─TableFullScan_5 4673.00 cop[tikv] table:tbl_2 keep order:false +explain select sum( col_4 ) from with_cluster_index.tbl_0 where col_3 != '1993-12-02' ; +id estRows task access object operator info +StreamAgg_17 1.00 root funcs:sum(Column#8)->Column#6 +└─TableReader_18 1.00 root data:StreamAgg_9 + └─StreamAgg_9 1.00 cop[tikv] funcs:sum(with_cluster_index.tbl_0.col_4)->Column#8 + └─TableRangeScan_16 2244.00 cop[tikv] table:tbl_0 range:[-inf,1993-12-02 00:00:00), (1993-12-02 00:00:00,+inf], keep order:false +explain select sum( col_4 ) from wout_cluster_index.tbl_0 where col_3 != '1993-12-02' ; +id estRows task access object operator info +StreamAgg_37 1.00 root funcs:sum(Column#20)->Column#7 +└─TableReader_38 1.00 root data:StreamAgg_9 + └─StreamAgg_9 1.00 cop[tikv] funcs:sum(wout_cluster_index.tbl_0.col_4)->Column#20 + └─Selection_36 2244.00 cop[tikv] ne(wout_cluster_index.tbl_0.col_3, 1993-12-02 00:00:00.000000) + └─TableFullScan_35 2244.00 cop[tikv] table:tbl_0 keep order:false +explain select col_0 from with_cluster_index.tbl_0 where col_0 <= 0 ; +id estRows task access object operator info +Projection_4 1.00 root with_cluster_index.tbl_0.col_0 +└─IndexLookUp_10 1.00 root + ├─IndexRangeScan_8(Build) 1.00 cop[tikv] table:tbl_0, index:idx_3(col_0) range:[-inf,0], keep order:false + └─TableRowIDScan_9(Probe) 1.00 cop[tikv] table:tbl_0 keep order:false +explain select col_0 from wout_cluster_index.tbl_0 where col_0 <= 0 ; +id estRows task access object operator info +IndexReader_6 1.00 root index:IndexRangeScan_5 +└─IndexRangeScan_5 1.00 cop[tikv] table:tbl_0, index:idx_3(col_0) range:[-inf,0], keep order:false +explain select col_3 from with_cluster_index.tbl_0 where col_3 >= '1981-09-15' ; +id estRows task access object operator info +Projection_4 1859.31 root with_cluster_index.tbl_0.col_3 +└─TableReader_6 1859.31 root data:TableRangeScan_5 + └─TableRangeScan_5 1859.31 cop[tikv] table:tbl_0 range:[1981-09-15 00:00:00,+inf], keep order:false +explain select col_3 from wout_cluster_index.tbl_0 where col_3 >= '1981-09-15' ; +id estRows task access object operator info +IndexReader_10 1859.31 root index:IndexRangeScan_9 +└─IndexRangeScan_9 1859.31 cop[tikv] table:tbl_0, index:idx_2(col_3) range:[1981-09-15 00:00:00,+inf], keep order:false +explain select tbl_2.col_14 , tbl_0.col_1 from with_cluster_index.tbl_2 right join with_cluster_index.tbl_0 on col_3 = col_11 ; +id estRows task access object operator info +MergeJoin_6 2533.51 root right outer join, left key:with_cluster_index.tbl_2.col_11, right key:with_cluster_index.tbl_0.col_3 +├─IndexReader_21(Build) 4509.00 root index:IndexFullScan_20 +│ └─IndexFullScan_20 4509.00 cop[tikv] table:tbl_2, index:idx_9(col_11) keep order:true +└─TableReader_23(Probe) 2244.00 root data:TableFullScan_22 + └─TableFullScan_22 2244.00 cop[tikv] table:tbl_0 keep order:true +explain select tbl_2.col_14 , tbl_0.col_1 from wout_cluster_index.tbl_2 right join wout_cluster_index.tbl_0 on col_3 = col_11 ; +id estRows task access object operator info +HashJoin_22 2533.51 root right outer join, equal:[eq(wout_cluster_index.tbl_2.col_11, wout_cluster_index.tbl_0.col_3)] +├─TableReader_40(Build) 2244.00 root data:TableFullScan_39 +│ └─TableFullScan_39 2244.00 cop[tikv] table:tbl_0 keep order:false +└─TableReader_43(Probe) 4509.00 root data:Selection_42 + └─Selection_42 4509.00 cop[tikv] not(isnull(wout_cluster_index.tbl_2.col_11)) + └─TableFullScan_41 4673.00 cop[tikv] table:tbl_2 keep order:false +explain select count(*) from with_cluster_index.tbl_0 where col_0 <= 0 ; +id estRows task access object operator info +StreamAgg_10 1.00 root funcs:count(1)->Column#6 +└─IndexLookUp_24 1.00 root + ├─IndexRangeScan_22(Build) 1.00 cop[tikv] table:tbl_0, index:idx_3(col_0) range:[-inf,0], keep order:false + └─TableRowIDScan_23(Probe) 1.00 cop[tikv] table:tbl_0 keep order:false +explain select count(*) from wout_cluster_index.tbl_0 where col_0 <= 0 ; +id estRows task access object operator info +StreamAgg_16 1.00 root funcs:count(Column#9)->Column#7 +└─IndexReader_17 1.00 root index:StreamAgg_9 + └─StreamAgg_9 1.00 cop[tikv] funcs:count(1)->Column#9 + └─IndexRangeScan_11 1.00 cop[tikv] table:tbl_0, index:idx_3(col_0) range:[-inf,0], keep order:false +explain select count(*) from with_cluster_index.tbl_0 where col_0 >= 803163 ; +id estRows task access object operator info +HashAgg_17 1.00 root funcs:count(Column#8)->Column#6 +└─IndexLookUp_18 1.00 root + ├─IndexRangeScan_15(Build) 109.70 cop[tikv] table:tbl_0, index:idx_3(col_0) range:[803163,+inf], keep order:false + └─HashAgg_7(Probe) 1.00 cop[tikv] funcs:count(1)->Column#8 + └─TableRowIDScan_16 109.70 cop[tikv] table:tbl_0 keep order:false +explain select count(*) from wout_cluster_index.tbl_0 where col_0 >= 803163 ; +id estRows task access object operator info +StreamAgg_17 1.00 root funcs:count(Column#9)->Column#7 +└─IndexReader_18 1.00 root index:StreamAgg_9 + └─StreamAgg_9 1.00 cop[tikv] funcs:count(1)->Column#9 + └─IndexRangeScan_16 109.70 cop[tikv] table:tbl_0, index:idx_3(col_0) range:[803163,+inf], keep order:false diff --git a/cmd/explaintest/run-tests.sh b/cmd/explaintest/run-tests.sh index 1677b88f2bcce..56cad85d32898 100755 --- a/cmd/explaintest/run-tests.sh +++ b/cmd/explaintest/run-tests.sh @@ -26,6 +26,7 @@ record=0 record_case="" create=0 create_case="" +stats="s" set -eu trap 'set +e; PIDS=$(jobs -p); [ -n "$PIDS" ] && kill -9 $PIDS' EXIT @@ -94,6 +95,13 @@ function build_explain_test() GO111MODULE=on go build -o $explain_test } +function extract_stats() +{ + echo "extracting statistics: $stats" + rm -rf $stats + unzip -qq s.zip +} + while getopts "t:s:r:b:c:i:h:p" opt; do case $opt in t) @@ -141,6 +149,8 @@ while getopts "t:s:r:b:c:i:h:p" opt; do esac done +extract_stats + if [ $build -eq 1 ]; then if [ -z "$tidb_server" ]; then build_tidb_server diff --git a/cmd/explaintest/s.zip b/cmd/explaintest/s.zip new file mode 100644 index 0000000000000000000000000000000000000000..c3f94fe26af694f8e3461ecc7e3eeec4ba8171b4 GIT binary patch literal 3565602 zcmZU41FR^)66LjR+qU_xZQHhO+xEM*ZQHhOd*A=rEGIRc%9&HAtCdcAX5^)SL7)Ks za}k>eEB@E{p9K&A4uBKAiZUbs@PQ|`{(o*4cW3}WkTYNafd3Zq|6)=8u^|9vtmqZM zadD9}Aeyvn>8YnApB$NReDO|1kw?`x#L#X9% z^X%ZdSG5m?iW`!(gwWwbOjPjqtKIMygWi;0n%~XI=5Z^34{mC0m|c$D)!@a)`YHLl z({syqx9{iS?e0l$)MMQ9?dss;g-H+ZZ$0%+@3$cLE}ET3J5Sx_&+M*7TI=@yCjJnE z#HrS^w|380yFPyX%&wwk_p$R=V&;rrUH|Tj*Yj}Nu`ee-yhYLtKNo{_?Wz@=))dck zT};%fLABQ;eOuWw@G$d4TT(~9l& z|7$-|*LJH=L%nV?d%dK)-OXB^|FzHBR;`r(ga329`J0;ASG~RQf7v&6i&n&cXumbz 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