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enh: add merge join reset

This commit is contained in:
dapan1121 2023-07-19 11:56:13 +08:00
parent b2cea6ab84
commit 6960872515
1 changed files with 18 additions and 2 deletions
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20
source/libs/executor/src/mergejoinoperator.c
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@ -733,10 +733,26 @@ static void doMergeJoinImpl(struct SOperatorInfo* pOperator, SSDataBlock* pRes)
}
}
void resetMergeJoinOperator(struct SOperatorInfo* pOperator) {
SMJoinOperatorInfo* pJoinInfo = pOperator->info;
if (pJoinInfo->rowCtx.rowRemains) {
mergeJoinDestroyTSRangeCtx(pJoinInfo, pJoinInfo->rowCtx.leftRowLocations, pJoinInfo->rowCtx.leftCreatedBlocks, pJoinInfo->rowCtx.rightCreatedBlocks,
pJoinInfo->rowCtx.rightUseBuildTable, pJoinInfo->rowCtx.rightRowLocations);
}
pJoinInfo->pLeft = NULL;
pJoinInfo->leftPos = 0;
pJoinInfo->pRight = NULL;
pJoinInfo->rightPos = 0;
}
SSDataBlock* doMergeJoin(struct SOperatorInfo* pOperator) {
SMJoinOperatorInfo* pJoinInfo = pOperator->info;
if (pOperator->status == OP_EXEC_DONE && (NULL == pOperator->pDownstreamParams[0] || NULL == pOperator->pDownstreamParams[1])) {
return NULL;
if (pOperator->status == OP_EXEC_DONE) {
if (NULL == pOperator->pDownstreamParams[0] || NULL == pOperator->pDownstreamParams[1]) {
return NULL;
} else {
resetMergeJoinOperator(pOperator);
}
}
SSDataBlock* pRes = pJoinInfo->pRes;