Merge pull request #12717 from taosdata/feature/udf

fix: udf2 reuse old state when new input is all null
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shenglian-zhou 2022-05-19 21:11:38 +08:00 committed by GitHub
commit 5049ea17e6
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1 changed files with 6 additions and 7 deletions

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@ -26,7 +26,7 @@ int32_t udf2_start(SUdfInterBuf *buf) {
int32_t udf2(SUdfDataBlock* block, SUdfInterBuf *interBuf, SUdfInterBuf *newInterBuf) {
double sumSquares = *(double*)interBuf->buf;
int8_t numOutput = 0;
int8_t numNotNull = 0;
for (int32_t i = 0; i < block->numOfCols; ++i) {
SUdfColumn* col = block->udfCols[i];
if (!(col->colMeta.type == TSDB_DATA_TYPE_INT ||
@ -56,15 +56,14 @@ int32_t udf2(SUdfDataBlock* block, SUdfInterBuf *interBuf, SUdfInterBuf *newInte
default:
break;
}
numOutput = 1;
++numNotNull;
}
}
if (numOutput == 1) {
*(double*)(newInterBuf->buf) = sumSquares;
newInterBuf->bufLen = sizeof(double);
}
if (interBuf->numOfResult == 0 && numOutput == 0) {
*(double*)(newInterBuf->buf) = sumSquares;
newInterBuf->bufLen = sizeof(double);
if (interBuf->numOfResult == 0 && numNotNull == 0) {
newInterBuf->numOfResult = 0;
} else {
newInterBuf->numOfResult = 1;