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fix(query): fix sum(null) or sum(nullexpr) result to null

This commit is contained in:
Ganlin Zhao 2022-07-26 20:07:28 +08:00
parent af305d1f51
commit 2884b36d5f
1 changed files with 4 additions and 3 deletions
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7
source/libs/function/src/builtinsimpl.c
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@ -466,7 +466,7 @@ int32_t functionFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
SColumnInfoData* pCol = taosArrayGet(pBlock->pDataBlock, slotId);
SResultRowEntryInfo* pResInfo = GET_RES_INFO(pCtx);
pResInfo->isNullRes = (pResInfo->numOfRes == 0) ? 1 : 0;
pResInfo->isNullRes = (pResInfo->isNullRes == 1) ? 1 : (pResInfo->numOfRes == 0) ? 1 : 0;
char* in = GET_ROWCELL_INTERBUF(pResInfo);
colDataAppend(pCol, pBlock->info.rows, in, pResInfo->isNullRes);
@ -662,8 +662,9 @@ int32_t sumFunction(SqlFunctionCtx* pCtx) {
}
// check for overflow
if (IS_FLOAT_TYPE(type) && (isinf(pSumRes->dsum) || isnan(pSumRes->dsum))) {
numOfElem = 0;
if (numOfElem == 0 || (IS_FLOAT_TYPE(type) && (isinf(pSumRes->dsum) || isnan(pSumRes->dsum)))) {
GET_RES_INFO(pCtx)->isNullRes = 1;
numOfElem = 1;
}
_sum_over: