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planner: disallow split clustered index with SPLIT TABLE .. INDEX (#47412) #47436

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merged 1 commit into from
Oct 12, 2023
Merged

planner: disallow split clustered index with SPLIT TABLE .. INDEX (#47412) #47436

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4 changes: 4 additions & 0 deletions executor/splittest/split_table_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -177,6 +177,10 @@ func TestClusterIndexSplitTableIntegration(t *testing.T) {
tk.MustExec("create table t (a varchar(255), b decimal, c int, primary key (a, b));")
errMsg = "[types:1265]Incorrect value: '' for column 'b'"
tk.MustGetErrMsg("split table t by ('aaa', '')", errMsg)

tk.MustExec("drop table t;")
tk.MustExec("CREATE TABLE t (`id` varchar(10) NOT NULL, primary key (`id`) CLUSTERED);")
tk.MustGetErrCode("split table t index `primary` between (0) and (1000) regions 2;", errno.ErrKeyDoesNotExist)
}

func TestClusterIndexShowTableRegion(t *testing.T) {
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2 changes: 1 addition & 1 deletion planner/core/planbuilder.go
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Expand Up @@ -4399,7 +4399,7 @@ func (b *PlanBuilder) buildSplitRegion(node *ast.SplitRegionStmt) (Plan, error)
func (b *PlanBuilder) buildSplitIndexRegion(node *ast.SplitRegionStmt) (Plan, error) {
tblInfo := node.Table.TableInfo
indexInfo := tblInfo.FindIndexByName(node.IndexName.L)
if indexInfo == nil {
if indexInfo == nil || indexInfo.Primary && tblInfo.IsCommonHandle {
return nil, ErrKeyDoesNotExist.GenWithStackByArgs(node.IndexName, tblInfo.Name)
}
mockTablePlan := LogicalTableDual{}.Init(b.ctx, b.getSelectOffset())
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