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fix(query): fix avg used in group by NULL value calculated as nan 

TD-15892
This commit is contained in:
Ganlin Zhao 2022-05-27 22:59:17 +08:00
parent 56c86a2acc
commit d11303916b
1 changed files with 5 additions and 3 deletions
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8
source/libs/function/src/builtinsimpl.c
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@ -834,12 +834,14 @@ int32_t avgFinalize(SqlFunctionCtx* pCtx, SSDataBlock* pBlock) {
if (IS_INTEGER_TYPE(type)) {
pAvgRes->result = pAvgRes->sum.isum / ((double)pAvgRes->count);
} else {
if (isinf(pAvgRes->sum.dsum) || isnan(pAvgRes->sum.dsum)) {
GET_RES_INFO(pCtx)->isNullRes = 1;
}
pAvgRes->result = pAvgRes->sum.dsum / ((double)pAvgRes->count);
}
//check for overflow
if (isinf(pAvgRes->result) || isnan(pAvgRes->result)) {
GET_RES_INFO(pCtx)->isNullRes = 1;
}
return functionFinalize(pCtx, pBlock);
}