xxq250
/
homework-jianmu
1
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

fix: push down limit

This commit is contained in:
Xiaoyu Wang 2022-10-26 17:31:43 +08:00
parent 81d795c293
commit 01d790d701
1 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
source/libs/planner/src/planSpliter.c
View File

@ -97,6 +97,7 @@ static int32_t splCreateExchangeNode(SSplitContext* pCxt, SLogicNode* pChild, SE
if (NULL == pExchange->node.pLimit) {
return TSDB_CODE_OUT_OF_MEMORY;
}
((SLimitNode*)pChild->pLimit)->limit += ((SLimitNode*)pChild->pLimit)->offset;
((SLimitNode*)pChild->pLimit)->offset = 0;
}
@ -470,6 +471,12 @@ static int32_t stbSplCreateMergeNode(SSplitContext* pCxt, SLogicSubplan* pSubpla
if (NULL == pMerge->node.pTargets || NULL == pMerge->pInputs) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
if (TSDB_CODE_SUCCESS == code && NULL != pSplitNode->pLimit) {
pMerge->node.pLimit = nodesCloneNode(pSplitNode->pLimit);
if (NULL == pMerge->node.pLimit) {
code = TSDB_CODE_OUT_OF_MEMORY;
}
}
if (TSDB_CODE_SUCCESS == code) {
if (NULL == pSubplan) {
code = nodesListMakeAppend(&pSplitNode->pChildren, (SNode*)pMerge);
@ -934,6 +941,7 @@ static int32_t stbSplSplitScanNodeWithoutPartTags(SSplitContext* pCxt, SStableSp
if (NULL == pSplitNode->pLimit) {
return TSDB_CODE_OUT_OF_MEMORY;
}
((SLimitNode*)pInfo->pSplitNode->pLimit)->limit += ((SLimitNode*)pInfo->pSplitNode->pLimit)->offset;
((SLimitNode*)pInfo->pSplitNode->pLimit)->offset = 0;
}
}
@ -1021,6 +1029,10 @@ static int32_t stbSplSplitMergeScanNode(SSplitContext* pCxt, SLogicSubplan* pSub
SNodeList* pMergeKeys = NULL;
int32_t code = stbSplCreateMergeScanNode(pScan, &pMergeScan, &pMergeKeys);
if (TSDB_CODE_SUCCESS == code) {
if (NULL != pMergeScan->pLimit) {
((SLimitNode*)pMergeScan->pLimit)->limit += ((SLimitNode*)pMergeScan->pLimit)->offset;
((SLimitNode*)pMergeScan->pLimit)->offset = 0;
}
code = stbSplCreateMergeNode(pCxt, pSubplan, (SLogicNode*)pScan, pMergeKeys, pMergeScan, groupSort);
}
if (TSDB_CODE_SUCCESS == code) {