executor: fix index_lookup_hash_join hang when used with limit (#35820)…

… (#36099) close #35638
pingcap · Jul 14, 2022 · 221cb88 · 221cb88
1 parent c35fa2e
commit 221cb88
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/executor/index_lookup_hash_join.go b/executor/index_lookup_hash_join.go
@@ -620,7 +620,10 @@ func (iw *indexHashJoinInnerWorker) handleTask(ctx context.Context, task *indexH
 		if task.keepOuterOrder {
 			if err != nil {
 				joinResult.err = err
-				resultCh <- joinResult
+				select {
+				case <-ctx.Done():
+				case resultCh <- joinResult:
+				}
 			}
 			close(resultCh)
 		}