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dml : fix last insert id when autoid specified by user in first row. (#11973) #11992

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dml : fix last insert id when autoid specified by user in first row. (#11973) #11992

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c34537f
fix last insert id when autoid specified by user in first row
AilinKid Sep 2, 2019
fd29c88
add insert test
AilinKid Sep 2, 2019
eae115b
fix test
AilinKid Sep 2, 2019
1ad3b8b
fix test
AilinKid Sep 2, 2019
c57f1e6
fix test
AilinKid Sep 2, 2019
2aea8d1
fix test
AilinKid Sep 2, 2019
3c70e50
find load data bug
AilinKid Sep 2, 2019
5c123dd
rebase the load data rowCount bug fix
AilinKid Sep 2, 2019
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5 changes: 3 additions & 2 deletions executor/insert_common.go
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Original file line number Diff line number Diff line change
Expand Up @@ -503,8 +503,9 @@ func (e *InsertValues) adjustAutoIncrementDatum(ctx context.Context, d types.Dat
if e.filterErr(err) != nil {
return types.Datum{}, err
}
// It's compatible with mysql. So it sets last insert id to the first row.
if e.rowCount == 1 {
// It's compatible with mysql setting the first allocated autoID to lastInsertID.
// Cause autoID may be specified by user, judge only the first row is not suitable.
if e.lastInsertID == 0 {
e.lastInsertID = uint64(recordID)
}
}
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16 changes: 16 additions & 0 deletions executor/insert_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -367,6 +367,22 @@ func (s *testSuite3) TestInsertWithAutoidSchema(c *C) {
`select * from t1 where id = 9`,
testkit.Rows(`9 9`),
},
// test last insert id
{
`insert into t1 values(3000, -1), (null, -2)`,
`select * from t1 where id = 3000`,
testkit.Rows(`3000 -1`),
},
{
`;`,
`select * from t1 where id = 3001`,
testkit.Rows(`3001 -2`),
},
{
`;`,
`select last_insert_id()`,
testkit.Rows(`3001`),
},
{
`insert into t2(id, n) values(1, 1)`,
`select * from t2 where id = 1`,
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