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executor: fix flashback table faild in uppercase database name (#17093) #17165

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merged 5 commits into from
Jun 10, 2020
Merged

executor: fix flashback table faild in uppercase database name (#17093) #17165

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7e6c83e
cherry pick #17093 to release-3.0
crazycs520 May 13, 2020
0637d07
fix code
crazycs520 May 14, 2020
1404456
Merge branch 'release-3.0' into release-3.0-5a0787dfa915
crazycs520 May 18, 2020
23db44c
Merge branch 'release-3.0' into release-3.0-5a0787dfa915
crazycs520 Jun 4, 2020
831849a
Merge branch 'release-3.0' into release-3.0-5a0787dfa915
crazycs520 Jun 10, 2020
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21 changes: 21 additions & 0 deletions ddl/serial_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -627,6 +627,27 @@ func (s *testSerialSuite) TestRecoverTableByTableName(c *C) {
tk.MustExec("insert into t_recover values (10)")
tk.MustQuery("select * from t_recover;").Check(testkit.Rows("1", "7", "8", "9", "10"))

tk.MustExec("drop database if exists Test2")
tk.MustExec("create database Test2")
tk.MustExec("use Test2")
tk.MustExec("create table t (a int);")
tk.MustExec("insert into t values (1),(2)")
tk.MustExec("drop table t")
tk.MustExec("recover table t")
tk.MustQuery("select a from t order by a").Check(testkit.Rows("1", "2"))

tk.MustExec("drop table t")
tk.MustExec("drop database if exists Test3")
tk.MustExec("create database Test3")
tk.MustExec("use Test3")
tk.MustExec("create table t (a int);")
tk.MustExec("drop table t")
tk.MustExec("drop database Test3")
tk.MustExec("use Test2")
tk.MustExec("recover table t")
tk.MustExec("insert into t values (3)")
tk.MustQuery("select a from t order by a").Check(testkit.Rows("1", "2", "3"))

gcEnable, err := gcutil.CheckGCEnable(tk.Se)
c.Assert(err, IsNil)
c.Assert(gcEnable, Equals, false)
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6 changes: 2 additions & 4 deletions executor/ddl.go
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Original file line number Diff line number Diff line change
Expand Up @@ -393,7 +393,7 @@ func (e *DDLExec) getRecoverTableByTableName(s *ast.RecoverTableStmt, t *meta.Me
}
schemaName := s.Table.Schema.L
if schemaName == "" {
schemaName = e.ctx.GetSessionVars().CurrentDB
schemaName = strings.ToLower(e.ctx.GetSessionVars().CurrentDB)
}
if schemaName == "" {
return nil, nil, errors.Trace(core.ErrNoDB)
Expand Down Expand Up @@ -425,9 +425,7 @@ func (e *DDLExec) getRecoverTableByTableName(s *ast.RecoverTableStmt, t *meta.Me
if table.Meta().Name.L == s.Table.Name.L {
schema, ok := dom.InfoSchema().SchemaByID(job.SchemaID)
if !ok {
return nil, nil, infoschema.ErrDatabaseNotExists.GenWithStackByArgs(
fmt.Sprintf("(Schema ID %d)", job.SchemaID),
)
continue
}
if schema.Name.L == schemaName {
tblInfo = table.Meta()
Expand Down