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executor: fix index_lookup_hash_join hang when used with limit (#35820) #36098

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merged 2 commits into from
Jul 14, 2022
Merged

executor: fix index_lookup_hash_join hang when used with limit (#35820) #36098

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7495b06
cherry pick #35820 to release-5.0
guo-shaoge Jul 11, 2022
b36794b
fix conflict
guo-shaoge Jul 12, 2022
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5 changes: 4 additions & 1 deletion executor/index_lookup_hash_join.go
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Original file line number Diff line number Diff line change
Expand Up @@ -500,7 +500,10 @@ func (iw *indexHashJoinInnerWorker) run(ctx context.Context, cancelFunc context.
joinResult.err = errors.New("mockIndexHashJoinInnerWorkerErr")
})
if joinResult.err != nil {
resultCh <- joinResult
select {
case resultCh <- joinResult:
case <-ctx.Done():
}
return
}
// When task.keepOuterOrder is TRUE(resultCh != iw.resultCh), the last
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