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[td-13288]fix crash when querying empty child table.

This commit is contained in:
Haojun Liao 2022-01-26 15:53:08 +08:00
parent ac567bac9b
commit 21ecacf40e
1 changed files with 1 additions and 1 deletions
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2
source/libs/executor/src/executorimpl.c
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@ -5896,7 +5896,7 @@ static SSDataBlock* doAggregate(void* param, bool* newgroup) {
finalizeQueryResult(pOperator, pInfo->pCtx, &pInfo->resultRowInfo, pInfo->rowCellInfoOffset);
pInfo->pRes->info.rows = getNumOfResult(pInfo->pCtx, pOperator->numOfOutput);
return pInfo->pRes;
return (pInfo->pRes->info.rows != 0)? pInfo->pRes:NULL;
}
static SSDataBlock* doSTableAggregate(void* param, bool* newgroup) {