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dml : fix last insert id when autoid specified by user in first row. (#11973) #12002

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merged 2 commits into from
Sep 4, 2019
Merged

dml : fix last insert id when autoid specified by user in first row. (#11973) #12002

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7cf4adb
dml : fix last insert id when autoid specified by user in first row. …
AilinKid Sep 2, 2019
01d62e0
Merge branch 'release-3.0' into fix_last_insert_id_3.0
winkyao Sep 4, 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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