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enh: last function optimize

This commit is contained in:
Xiaoyu Wang 2022-07-29 18:30:03 +08:00
parent 4e1daca60e
commit f929187e63
1 changed files with 3 additions and 0 deletions
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3
source/libs/planner/src/planOptimizer.c
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@ -1061,6 +1061,9 @@ static int32_t pushDownCondOptimize(SOptimizeContext* pCxt, SLogicSubplan* pLogi
} }
static bool sortPriKeyOptIsPriKeyOrderBy(SNodeList* pSortKeys) { static bool sortPriKeyOptIsPriKeyOrderBy(SNodeList* pSortKeys) {
if (1 != LIST_LENGTH(pSortKeys)) {
return false;
}
SNode* pNode = ((SOrderByExprNode*)nodesListGetNode(pSortKeys, 0))->pExpr; SNode* pNode = ((SOrderByExprNode*)nodesListGetNode(pSortKeys, 0))->pExpr;
return (QUERY_NODE_COLUMN == nodeType(pNode) ? (PRIMARYKEY_TIMESTAMP_COL_ID == ((SColumnNode*)pNode)->colId) : false); return (QUERY_NODE_COLUMN == nodeType(pNode) ? (PRIMARYKEY_TIMESTAMP_COL_ID == ((SColumnNode*)pNode)->colId) : false);
} }