executor: fix panic during update stmt (#36230) (#36528)

close #32311
pingcap · Aug 2, 2022 · 99dfc62 · 99dfc62
1 parent c5987a8
commit 99dfc62
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/planner/core/logical_plan_builder.go b/planner/core/logical_plan_builder.go
@@ -5179,6 +5179,11 @@ func CheckUpdateList(assignFlags []int, updt *Update, newTblID2Table map[int64]t
  }
 
  for i, col := range tbl.WritableCols() {
+ // schema may be changed between building plan and building executor
+ // If i >= len(flags), it means the target table has been added columns, then we directly skip the check
+ if i >= len(flags) {
+ continue
+ }
  if flags[i] >= 0 && col.State != model.StatePublic {
  return ErrUnknownColumn.GenWithStackByArgs(col.Name, clauseMsg[fieldList])
  }