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fix(query): extract correct join condition from physical plan.

This commit is contained in:
Haojun Liao 2022-05-16 11:10:05 +08:00
parent 18fcb33465
commit 2df67d9133
1 changed files with 23 additions and 8 deletions
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17
source/libs/executor/src/joinoperator.c
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@ -26,6 +26,7 @@
static void setJoinColumnInfo(SColumnInfo* pColumn, const SColumnNode* pColumnNode);
static SSDataBlock* doMergeJoin(struct SOperatorInfo* pOperator);
static void destroyMergeJoinOperator(void* param, int32_t numOfOutput);
static void extractTimeCondition(SJoinOperatorInfo *Info, SLogicConditionNode* pLogicConditionNode);
SOperatorInfo* createMergeJoinOperatorInfo(SOperatorInfo** pDownstream, int32_t numOfDownstream, SExprInfo* pExprInfo,
int32_t numOfCols, SSDataBlock* pResBlock, SNode* pOnCondition,
@ -53,7 +54,7 @@ SOperatorInfo* createMergeJoinOperatorInfo(SOperatorInfo** pDownstream, int32_t
setJoinColumnInfo(&pInfo->leftCol, (SColumnNode*)pNode->pLeft);
setJoinColumnInfo(&pInfo->rightCol, (SColumnNode*)pNode->pRight);
} else if (nodeType(pOnCondition) == QUERY_NODE_LOGIC_CONDITION) {
ASSERT(0);
extractTimeCondition(pInfo, (SLogicConditionNode*) pOnCondition);
}
pOperator->fpSet =
@ -182,3 +183,17 @@ SSDataBlock* doMergeJoin(struct SOperatorInfo* pOperator) {
return (pRes->info.rows > 0) ? pRes : NULL;
}
static void extractTimeCondition(SJoinOperatorInfo *pInfo, SLogicConditionNode* pLogicConditionNode) {
int32_t len = LIST_LENGTH(pLogicConditionNode->pParameterList);
for(int32_t i = 0; i < len; ++i) {
SNode* pNode = nodesListGetNode(pLogicConditionNode->pParameterList, i);
if (nodeType(pNode) == QUERY_NODE_OPERATOR) {
SOperatorNode* pn1 = (SOperatorNode*)pNode;
setJoinColumnInfo(&pInfo->leftCol, (SColumnNode*)pn1->pLeft);
setJoinColumnInfo(&pInfo->rightCol, (SColumnNode*)pn1->pRight);
break;
}
}
}