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Merge branch 'feature/3_liaohj' of https://github.com/taosdata/TDengine into feature/3_liaohj

This commit is contained in:
Minglei Jin 2022-10-19 16:08:23 +08:00
parent 6dea891571 7161ca89cc
commit 138fc0e065
2 changed files with 23 additions and 2 deletions
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6
source/libs/executor/src/timewindowoperator.c
View File

@ -5492,9 +5492,13 @@ SOperatorInfo* createStreamIntervalOperatorInfo(SOperatorInfo* downstream, SPhys
pInfo->ignoreExpiredData = pIntervalPhyNode->window.igExpired;
pInfo->isFinal = false;
SExprSupp* pSup = &pOperator->exprSupp;
initBasicInfo(&pInfo->binfo, pResBlock);
initStreamFunciton(pSup->pCtx, pSup->numOfExprs);
initExecTimeWindowInfo(&pInfo->twAggSup.timeWindowData, &pTaskInfo->window);
pInfo->primaryTsIndex = ((SColumnNode*)pIntervalPhyNode->window.pTspk)->slotId;
initResultSizeInfo(&pOperator->resultInfo, 4096);
SExprSupp* pSup = &pOperator->exprSupp;
if (pIntervalPhyNode->window.pExprs != NULL) {
int32_t numOfScalar = 0;

19
source/libs/planner/src/planOptimizer.c
View File

@ -2155,6 +2155,22 @@ static bool lastRowScanOptHasTag(SNode* pExpr) {
return hasTag;
}
static bool hasSuitableCache(int8_t cacheLastMode, bool hasLastRow, bool hasLast) {
switch (cacheLastMode) {
case TSDB_CACHE_MODEL_NONE:
return false;
case TSDB_CACHE_MODEL_LAST_ROW:
return hasLastRow;
case TSDB_CACHE_MODEL_LAST_VALUE:
return hasLast;
case TSDB_CACHE_MODEL_BOTH:
return true;
default:
break;
}
return false;
}
static bool lastRowScanOptMayBeOptimized(SLogicNode* pNode) {
if (QUERY_NODE_LOGIC_PLAN_AGG != nodeType(pNode) || 1 != LIST_LENGTH(pNode->pChildren) ||
QUERY_NODE_LOGIC_PLAN_SCAN != nodeType(nodesListGetNode(pNode->pChildren, 0))) {
@ -2165,7 +2181,8 @@ static bool lastRowScanOptMayBeOptimized(SLogicNode* pNode) {
SScanLogicNode* pScan = (SScanLogicNode*)nodesListGetNode(pNode->pChildren, 0);
// Only one of LAST and LASTROW can appear
if (pAgg->hasLastRow == pAgg->hasLast || NULL != pAgg->pGroupKeys || NULL != pScan->node.pConditions ||
0 == pScan->cacheLastMode || IS_TSWINDOW_SPECIFIED(pScan->scanRange)) {
!hasSuitableCache(pScan->cacheLastMode, pAgg->hasLastRow, pAgg->hasLast) ||
IS_TSWINDOW_SPECIFIED(pScan->scanRange)) {
return false;
}