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Merge pull request #4685 from taosdata/bugfix/td-2538 

[TD-2538]<fix>: crash when sql has limit & offset
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haojun Liao 2020-12-24 10:45:42 +08:00 committed by GitHub
parent afcb1af123 566680c78e
commit 87b3f29206
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1 changed files with 7 additions and 0 deletions
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7
src/client/src/tscLocalMerge.c
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@ -911,6 +911,13 @@ static void genFinalResWithoutFill(SSqlRes* pRes, SLocalReducer *pLocalReducer,
}
}
if (pRes->numOfRowsGroup >= pQueryInfo->limit.limit && pQueryInfo->limit.limit > 0) {
pRes->numOfRows = 0;
pBeforeFillData->num = 0;
pLocalReducer->discard = true;
return;
}
pRes->numOfRowsGroup += pRes->numOfRows;
// impose the limitation of output rows on the final result