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fix(query): fix derivative nan value 

TD-17511
This commit is contained in:
Ganlin Zhao 2022-07-19 11:46:17 +08:00
parent 94596928e8
commit ca5e959a1e
1 changed files with 12 additions and 2 deletions
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14
source/libs/function/src/builtinsimpl.c
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@ -5661,7 +5661,12 @@ int32_t derivativeFunction(SqlFunctionCtx* pCtx) {
double r = ((v - pDerivInfo->prevValue) * pDerivInfo->tsWindow) / (tsList[i] - pDerivInfo->prevTs);
if (pDerivInfo->ignoreNegative && r < 0) {
} else {
colDataAppend(pOutput, pos, (const char*)&r, false);
if (isinf(r) || isnan(r)) {
colDataAppendNULL(pOutput, pos);
} else {
colDataAppend(pOutput, pos, (const char*)&r, false);
}
if (pTsOutput != NULL) {
colDataAppendInt64(pTsOutput, pos, &tsList[i]);
}
@ -5688,7 +5693,12 @@ int32_t derivativeFunction(SqlFunctionCtx* pCtx) {
double r = ((pDerivInfo->prevValue - v) * pDerivInfo->tsWindow) / (pDerivInfo->prevTs - tsList[i]);
if (pDerivInfo->ignoreNegative && r < 0) {
} else {
colDataAppend(pOutput, pos, (const char*)&r, false);
if (isinf(r) || isnan(r)) {
colDataAppendNULL(pOutput, pos);
} else {
colDataAppend(pOutput, pos, (const char*)&r, false);
}
if (pTsOutput != NULL) {
colDataAppendInt64(pTsOutput, pos, &pDerivInfo->prevTs);
}