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fix: error in optimizing useless columns for multi-level set operators

This commit is contained in:
Xiaoyu Wang 2023-03-31 16:16:14 +08:00
parent d2d3fc14e8
commit 41b2c2d8fd
1 changed files with 6 additions and 0 deletions
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6
source/libs/parser/src/parCalcConst.c
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@ -337,8 +337,14 @@ static SNodeList* getChildProjection(SNode* pStmt) {
static void eraseSetOpChildProjection(SSetOperator* pSetOp, int32_t index) { static void eraseSetOpChildProjection(SSetOperator* pSetOp, int32_t index) {
SNodeList* pLeftProjs = getChildProjection(pSetOp->pLeft); SNodeList* pLeftProjs = getChildProjection(pSetOp->pLeft);
nodesListErase(pLeftProjs, nodesListGetCell(pLeftProjs, index)); nodesListErase(pLeftProjs, nodesListGetCell(pLeftProjs, index));
if (QUERY_NODE_SET_OPERATOR == nodeType(pSetOp->pLeft)) {
eraseSetOpChildProjection((SSetOperator*)pSetOp->pLeft, index);
}
SNodeList* pRightProjs = getChildProjection(pSetOp->pRight); SNodeList* pRightProjs = getChildProjection(pSetOp->pRight);
nodesListErase(pRightProjs, nodesListGetCell(pRightProjs, index)); nodesListErase(pRightProjs, nodesListGetCell(pRightProjs, index));
if (QUERY_NODE_SET_OPERATOR == nodeType(pSetOp->pRight)) {
eraseSetOpChildProjection((SSetOperator*)pSetOp->pRight, index);
}
} }
typedef struct SNotRefByOrderByCxt { typedef struct SNotRefByOrderByCxt {