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fix: compare group id first when choose tuple from loser tree

This commit is contained in:
shenglian zhou 2022-06-08 18:59:26 +08:00
parent 6522ff199a
commit eed875268c
1 changed files with 5 additions and 0 deletions
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5
source/libs/executor/src/tsort.c
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@ -359,6 +359,11 @@ int32_t msortComparFn(const void *pLeft, const void *pRight, void *param) {
SSDataBlock* pLeftBlock = pLeftSource->src.pBlock; SSDataBlock* pLeftBlock = pLeftSource->src.pBlock;
SSDataBlock* pRightBlock = pRightSource->src.pBlock; SSDataBlock* pRightBlock = pRightSource->src.pBlock;
// first sort by block groupId
if (pLeftBlock->info.groupId != pRightBlock->info.groupId) {
return pLeftBlock->info.groupId < pRightBlock->info.groupId ? -1 : 1;
}
for(int32_t i = 0; i < pInfo->size; ++i) { for(int32_t i = 0; i < pInfo->size; ++i) {
SBlockOrderInfo* pOrder = TARRAY_GET_ELEM(pInfo, i); SBlockOrderInfo* pOrder = TARRAY_GET_ELEM(pInfo, i);
SColumnInfoData* pLeftColInfoData = TARRAY_GET_ELEM(pLeftBlock->pDataBlock, pOrder->slotId); SColumnInfoData* pLeftColInfoData = TARRAY_GET_ELEM(pLeftBlock->pDataBlock, pOrder->slotId);