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fix(query): eliminate csum/mavg result nan/inf in case of overflow 

TD-16053
This commit is contained in:
Ganlin Zhao 2022-05-27 15:29:33 +08:00
parent 8035d02d92
commit de6f6a1e35
1 changed files with 12 additions and 2 deletions
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14
source/libs/function/src/builtinsimpl.c
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@ -3530,7 +3530,12 @@ int32_t csumFunction(SqlFunctionCtx* pCtx) {
double v;
GET_TYPED_DATA(v, double, type, data);
pSumRes->dsum += v;
colDataAppend(pOutput, pos, (char *)&pSumRes->dsum, false);
//check for overflow
if (isinf(pSumRes->dsum) || isnan(pSumRes->dsum)) {
colDataAppendNULL(pOutput, pos);
} else {
colDataAppend(pOutput, pos, (char *)&pSumRes->dsum, false);
}
}
//TODO: remove this after pTsOutput is handled
@ -3604,7 +3609,12 @@ int32_t mavgFunction(SqlFunctionCtx* pCtx) {
pInfo->points[pInfo->pos] = v;
double result = pInfo->sum / pInfo->numOfPoints;
colDataAppend(pOutput, pos, (char *)&result, false);
//check for overflow
if (isinf(result) || isnan(result)) {
colDataAppendNULL(pOutput, pos);
} else {
colDataAppend(pOutput, pos, (char *)&result, false);
}
//TODO: remove this after pTsOutput is handled
if (pTsOutput != NULL) {