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Diffstat (limited to 'src/backend/executor/nodeSetOp.c')
| -rw-r--r-- | src/backend/executor/nodeSetOp.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/backend/executor/nodeSetOp.c b/src/backend/executor/nodeSetOp.c index 4b428cfa39f..8af12f96e72 100644 --- a/src/backend/executor/nodeSetOp.c +++ b/src/backend/executor/nodeSetOp.c @@ -597,6 +597,8 @@ ExecEndSetOp(SetOpState *node) void ExecReScanSetOp(SetOpState *node) { + PlanState *outerPlan = outerPlanState(node); + ExecClearTuple(node->ps.ps_ResultTupleSlot); node->setop_done = false; node->numOutput = 0; @@ -617,7 +619,7 @@ ExecReScanSetOp(SetOpState *node) * parameter changes, then we can just rescan the existing hash table; * no need to build it again. */ - if (node->ps.lefttree->chgParam == NULL) + if (outerPlan->chgParam == NULL) { ResetTupleHashIterator(node->hashtable, &node->hashiter); return; @@ -646,6 +648,6 @@ ExecReScanSetOp(SetOpState *node) * if chgParam of subnode is not null then plan will be re-scanned by * first ExecProcNode. */ - if (node->ps.lefttree->chgParam == NULL) - ExecReScan(node->ps.lefttree); + if (outerPlan->chgParam == NULL) + ExecReScan(outerPlan); } |