Force active snapshot obtaining during insert. Fixes #18

Author: kelvich

contrib/mmts/pglogical_apply.c

@@ -672,6 +672,8 @@ process_remote_insert(StringInfo s, Relation rel)
 	ScanKey	*index_keys;
 	int	i;
 
+	PushActiveSnapshot(GetTransactionSnapshot());
+
 	estate = create_rel_estate(rel);
 	newslot = ExecInitExtraTupleSlot(estate);
 	oldslot = ExecInitExtraTupleSlot(estate);
@@ -747,6 +749,9 @@ process_remote_insert(StringInfo s, Relation rel)
 
 	ExecCloseIndices(estate->es_result_relation_info);
 
+	if (ActiveSnapshotSet())
+		PopActiveSnapshot();
+
     heap_close(rel, NoLock);
     ExecResetTupleTable(estate->es_tupleTable, true);
     FreeExecutorState(estate);

src/test/regress/serial_schedule

@@ -70,7 +70,7 @@ test: triggers
 test: inherit
 test: create_table_like
 test: typed_table
-# test: vacuum # issue#18
+test: vacuum
 test: drop_if_exists
 test: updatable_views
 test: rolenames