3 files changed, 15 insertions, 6 deletions
diff --git a/src/backend/executor/execMain.c b/src/backend/executor/execMain.c
index 410921cc408..5d3e923cca3 100644
--- a/src/backend/executor/execMain.c
+++ b/src/backend/executor/execMain.c
@@ -1413,8 +1413,11 @@ ExecGetTriggerResultRel(EState *estate, Oid relid)
 		rInfo++;
 		nr--;
 	}
-	/* Third, search through the leaf result relations, if any */
-	foreach(l, estate->es_leaf_result_relations)
+	/*
+	 * Third, search through the result relations that were created during
+	 * tuple routing, if any.
+	 */
+	foreach(l, estate->es_tuple_routing_result_relations)
 	{
 		rInfo = (ResultRelInfo *) lfirst(l);
 		if (RelationGetRelid(rInfo->ri_RelationDesc) == relid)
diff --git a/src/backend/executor/execPartition.c b/src/backend/executor/execPartition.c
index ba6b52c32cd..4048c3ebc61 100644
--- a/src/backend/executor/execPartition.c
+++ b/src/backend/executor/execPartition.c
@@ -178,6 +178,15 @@ ExecSetupPartitionTupleRouting(ModifyTableState *mtstate,
 							  resultRTindex,
 							  rel,
 							  estate->es_instrument);
+
+			/*
+			 * Since we've just initialized this ResultRelInfo, it's not in
+			 * any list attached to the estate as yet.  Add it, so that it can
+			 * be found later.
+			 */
+			estate->es_tuple_routing_result_relations =
+						lappend(estate->es_tuple_routing_result_relations,
+								leaf_part_rri);
 		}
 
 		part_tupdesc = RelationGetDescr(partrel);
@@ -210,9 +219,6 @@ ExecSetupPartitionTupleRouting(ModifyTableState *mtstate,
 							mtstate != NULL &&
 							mtstate->mt_onconflict != ONCONFLICT_NONE);
 
-		estate->es_leaf_result_relations =
-			lappend(estate->es_leaf_result_relations, leaf_part_rri);
-
 		proute->partitions[i] = leaf_part_rri;
 		i++;
 	}
diff --git a/src/backend/executor/execUtils.c b/src/backend/executor/execUtils.c
index e29f7aaf7b7..50b6edce63d 100644
--- a/src/backend/executor/execUtils.c
+++ b/src/backend/executor/execUtils.c
@@ -119,7 +119,7 @@ CreateExecutorState(void)
 	estate->es_root_result_relations = NULL;
 	estate->es_num_root_result_relations = 0;
 
-	estate->es_leaf_result_relations = NIL;
+	estate->es_tuple_routing_result_relations = NIL;
 
 	estate->es_trig_target_relations = NIL;
 	estate->es_trig_tuple_slot = NULL;