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-rw-r--r--src/backend/commands/copy.c3
-rw-r--r--src/backend/executor/execIndexing.c3
2 files changed, 6 insertions, 0 deletions
diff --git a/src/backend/commands/copy.c b/src/backend/commands/copy.c
index eca0be1ff96..2593732c16e 100644
--- a/src/backend/commands/copy.c
+++ b/src/backend/commands/copy.c
@@ -2446,6 +2446,9 @@ CopyMultiInsertBufferFlush(CopyMultiInsertInfo *miinfo,
ResultRelInfo *resultRelInfo = buffer->resultRelInfo;
TupleTableSlot **slots = buffer->slots;
+ /* Set es_result_relation_info to the ResultRelInfo we're flushing. */
+ estate->es_result_relation_info = resultRelInfo;
+
/*
* Print error context information correctly, if one of the operations
* below fail.
diff --git a/src/backend/executor/execIndexing.c b/src/backend/executor/execIndexing.c
index c41c5f45e7e..40bd8049f05 100644
--- a/src/backend/executor/execIndexing.c
+++ b/src/backend/executor/execIndexing.c
@@ -299,6 +299,9 @@ ExecInsertIndexTuples(TupleTableSlot *slot,
indexInfoArray = resultRelInfo->ri_IndexRelationInfo;
heapRelation = resultRelInfo->ri_RelationDesc;
+ /* Sanity check: slot must belong to the same rel as the resultRelInfo. */
+ Assert(slot->tts_tableOid == RelationGetRelid(heapRelation));
+
/*
* We will use the EState's per-tuple context for evaluating predicates
* and index expressions (creating it if it's not already there).