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[td-225] fix bug in diff query

This commit is contained in:
hjLiao 2020-05-12 00:46:54 +08:00
parent 38c8efd4b3
commit dd5be92421
1 changed files with 9 additions and 1 deletions
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10
src/query/src/queryExecutor.c
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@ -2436,8 +2436,16 @@ static int64_t doScanAllDataBlocks(SQueryRuntimeEnv *pRuntimeEnv) {
// set the pCtx output buffer position
pRuntimeEnv->pCtx[i].aOutputBuf = pQuery->sdata[i]->data + pRec->rows * bytes;
int32_t functionId = pQuery->pSelectExpr[i].base.functionId;
if (functionId == TSDB_FUNC_TOP || functionId == TSDB_FUNC_BOTTOM || functionId == TSDB_FUNC_DIFF) {
pRuntimeEnv->pCtx[i].ptsOutputBuf = pRuntimeEnv->pCtx[0].aOutputBuf;
}
}
qTrace("QInfo: %p realloc output buffer, new size: %d rows, old:%d, remain:%d", GET_QINFO_ADDR(pRuntimeEnv),
newSize, pRec->capacity, newSize - pRec->rows);
pRec->capacity = newSize;
}
}