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[td-3318]<fix>: fix crash caused by empty stddev query.

This commit is contained in:
Haojun Liao 2021-03-16 18:24:51 +08:00
parent 6396e651b9
commit d422bba8dd
1 changed files with 4 additions and 2 deletions
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6
src/query/src/qExecutor.c
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@ -4170,8 +4170,10 @@ static SSDataBlock* doTableScan(void* param) {
assert(ret);
}
pResultRowInfo->curIndex = 0;
pResultRowInfo->prevSKey = pResultRowInfo->pResult[0]->win.skey;
if (pResultRowInfo->size > 0) {
pResultRowInfo->curIndex = 0;
pResultRowInfo->prevSKey = pResultRowInfo->pResult[0]->win.skey;
}
qDebug("QInfo:%p start to repeat scan data blocks due to query func required, qrange:%" PRId64 "-%" PRId64,
pRuntimeEnv->qinfo, cond.twindow.skey, cond.twindow.ekey);