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Merge pull request #4824 from taosdata/hotfix/TD-2660 

[TD-2660]<fix>:taosd crash when queried block has only one NULL record
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haojun Liao 2021-01-06 13:38:07 +08:00 committed by GitHub
parent 98b3f09355 69de20c303
commit 929aa1f055
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1 changed files with 2 additions and 2 deletions
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src/query/src/qExecutor.c
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@ -1667,7 +1667,7 @@ static void rowwiseApplyFunctions(SQueryRuntimeEnv *pRuntimeEnv, SDataStatis *pS
_end:
assert(offset >= 0 && tsCols != NULL);
if (prevTs != INT64_MIN) {
if (prevTs != INT64_MIN && prevTs != *(int64_t*)pRuntimeEnv->prevRow[0]) {
assert(prevRowIndex >= 0);
item->lastKey = prevTs + step;
}