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This is an automated cherry-pick of pingcap#52720
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| // Copyright 2023 PingCAP, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package server | ||
|
|
||
| import ( | ||
| "github.com/pingcap/tidb/pkg/errno" | ||
| "github.com/pingcap/tidb/pkg/param" | ||
| "github.com/pingcap/tidb/pkg/parser/charset" | ||
| "github.com/pingcap/tidb/pkg/parser/mysql" | ||
| util2 "github.com/pingcap/tidb/pkg/server/internal/util" | ||
| "github.com/pingcap/tidb/pkg/types" | ||
| "github.com/pingcap/tidb/pkg/util/dbterror" | ||
| ) | ||
|
|
||
| var errUnknownFieldType = dbterror.ClassServer.NewStd(errno.ErrUnknownFieldType) | ||
|
|
||
| // parseBinaryParams decodes the binary params according to the protocol | ||
| func parseBinaryParams(params []param.BinaryParam, boundParams [][]byte, nullBitmap, paramTypes, paramValues []byte, enc *util2.InputDecoder) (err error) { | ||
| pos := 0 | ||
| if enc == nil { | ||
| enc = util2.NewInputDecoder(charset.CharsetUTF8) | ||
| } | ||
|
|
||
| for i := 0; i < len(params); i++ { | ||
| // if params had received via ComStmtSendLongData, use them directly. | ||
| // ref https://dev.mysql.com/doc/internals/en/com-stmt-send-long-data.html | ||
| // see clientConn#handleStmtSendLongData | ||
| if boundParams[i] != nil { | ||
| params[i] = param.BinaryParam{ | ||
| Tp: mysql.TypeBlob, | ||
| Val: boundParams[i], | ||
| } | ||
|
|
||
| // The legacy logic is kept: if the `paramTypes` somehow didn't contain the type information, it will be treated as | ||
| // BLOB type. We didn't return `mysql.ErrMalformPacket` to keep compatibility with older versions, though it's | ||
| // meaningless if every clients work properly. | ||
| if (i<<1)+1 < len(paramTypes) { | ||
| // Only TEXT or BLOB type will be sent through `SEND_LONG_DATA`. | ||
| tp := paramTypes[i<<1] | ||
|
|
||
| switch tp { | ||
| case mysql.TypeVarchar, mysql.TypeVarString, mysql.TypeString, mysql.TypeBit: | ||
| params[i].Tp = tp | ||
| params[i].Val = enc.DecodeInput(boundParams[i]) | ||
| case mysql.TypeBlob, mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob: | ||
| params[i].Tp = tp | ||
| params[i].Val = boundParams[i] | ||
| } | ||
| } | ||
| continue | ||
| } | ||
|
|
||
| // check nullBitMap to determine the NULL arguments. | ||
| // ref https://dev.mysql.com/doc/internals/en/com-stmt-execute.html | ||
| // notice: some client(e.g. mariadb) will set nullBitMap even if data had be sent via ComStmtSendLongData, | ||
| // so this check need place after boundParam's check. | ||
| if nullBitmap[i>>3]&(1<<(uint(i)%8)) > 0 { | ||
| var nilDatum types.Datum | ||
| nilDatum.SetNull() | ||
| params[i] = param.BinaryParam{ | ||
| Tp: mysql.TypeNull, | ||
| } | ||
| continue | ||
| } | ||
|
|
||
| if (i<<1)+1 >= len(paramTypes) { | ||
| return mysql.ErrMalformPacket | ||
| } | ||
|
|
||
| tp := paramTypes[i<<1] | ||
| isUnsigned := (paramTypes[(i<<1)+1] & 0x80) > 0 | ||
| isNull := false | ||
|
|
||
| decodeWithDecoder := false | ||
|
|
||
| var length uint64 | ||
| switch tp { | ||
| case mysql.TypeNull: | ||
| length = 0 | ||
| isNull = true | ||
| case mysql.TypeTiny: | ||
| length = 1 | ||
| case mysql.TypeShort, mysql.TypeYear: | ||
| length = 2 | ||
| case mysql.TypeInt24, mysql.TypeLong, mysql.TypeFloat: | ||
| length = 4 | ||
| case mysql.TypeLonglong, mysql.TypeDouble: | ||
| length = 8 | ||
| case mysql.TypeDate, mysql.TypeTimestamp, mysql.TypeDatetime, mysql.TypeDuration: | ||
| if len(paramValues) < (pos + 1) { | ||
| err = mysql.ErrMalformPacket | ||
| return | ||
| } | ||
| length = uint64(paramValues[pos]) | ||
| pos++ | ||
| case mysql.TypeNewDecimal, mysql.TypeBlob, mysql.TypeTinyBlob, mysql.TypeMediumBlob, mysql.TypeLongBlob: | ||
| if len(paramValues) < (pos + 1) { | ||
| err = mysql.ErrMalformPacket | ||
| return | ||
| } | ||
| var n int | ||
| length, isNull, n = util2.ParseLengthEncodedInt(paramValues[pos:]) | ||
| pos += n | ||
| case mysql.TypeUnspecified, mysql.TypeVarchar, mysql.TypeVarString, mysql.TypeString, | ||
| mysql.TypeEnum, mysql.TypeSet, mysql.TypeGeometry, mysql.TypeBit: | ||
| if len(paramValues) < (pos + 1) { | ||
| err = mysql.ErrMalformPacket | ||
| return | ||
| } | ||
| var n int | ||
| length, isNull, n = util2.ParseLengthEncodedInt(paramValues[pos:]) | ||
| pos += n | ||
| decodeWithDecoder = true | ||
| default: | ||
| err = errUnknownFieldType.GenWithStack("stmt unknown field type %d", tp) | ||
| return | ||
| } | ||
|
|
||
| if len(paramValues) < (pos + int(length)) { | ||
| err = mysql.ErrMalformPacket | ||
| return | ||
| } | ||
| params[i] = param.BinaryParam{ | ||
| Tp: tp, | ||
| IsUnsigned: isUnsigned, | ||
| IsNull: isNull, | ||
| Val: paramValues[pos : pos+int(length)], | ||
| } | ||
| if decodeWithDecoder { | ||
| params[i].Val = enc.DecodeInput(params[i].Val) | ||
| } | ||
| pos += int(length) | ||
| } | ||
| return | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| load("@io_bazel_rules_go//go:def.bzl", "go_test") | ||
|
|
||
| go_test( | ||
| name = "commontest_test", | ||
| timeout = "short", | ||
| srcs = [ | ||
| "main_test.go", | ||
| "tidb_test.go", | ||
| ], | ||
| flaky = True, | ||
| shard_count = 50, | ||
| deps = [ | ||
| "//pkg/config", | ||
| "//pkg/ddl/util", | ||
| "//pkg/extension", | ||
| "//pkg/metrics", | ||
| "//pkg/parser", | ||
| "//pkg/parser/ast", | ||
| "//pkg/parser/auth", | ||
| "//pkg/parser/mysql", | ||
| "//pkg/server", | ||
| "//pkg/server/internal/column", | ||
| "//pkg/server/internal/resultset", | ||
| "//pkg/server/internal/testserverclient", | ||
| "//pkg/server/internal/testutil", | ||
| "//pkg/server/internal/util", | ||
| "//pkg/server/tests/servertestkit", | ||
| "//pkg/session", | ||
| "//pkg/sessionctx/variable", | ||
| "//pkg/store/mockstore/unistore", | ||
| "//pkg/testkit", | ||
| "//pkg/testkit/testsetup", | ||
| "//pkg/util", | ||
| "//pkg/util/plancodec", | ||
| "//pkg/util/resourcegrouptag", | ||
| "//pkg/util/topsql", | ||
| "//pkg/util/topsql/collector", | ||
| "//pkg/util/topsql/collector/mock", | ||
| "//pkg/util/topsql/state", | ||
| "//pkg/util/topsql/stmtstats", | ||
| "@com_github_go_sql_driver_mysql//:mysql", | ||
| "@com_github_pingcap_errors//:errors", | ||
| "@com_github_pingcap_failpoint//:failpoint", | ||
| "@com_github_stretchr_testify//require", | ||
| "@com_github_tikv_client_go_v2//tikv", | ||
| "@com_github_tikv_client_go_v2//tikvrpc", | ||
| "@io_opencensus_go//stats/view", | ||
| "@org_uber_go_goleak//:goleak", | ||
| ], | ||
| ) |
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