Fix server crash. Isuue #7551

2024-03-06 15:53:08 +03:00 · 2024-03-06 15:53:08 +03:00 · 284f0c6504
parent edcdbe67b1
commit 284f0c6504
1 changed files with 7 additions and 0 deletions
--- a/src/backend/distributed/test/metadata_sync.c
+++ b/src/backend/distributed/test/metadata_sync.c
@ -50,6 +50,13 @@ activate_node_snapshot(PG_FUNCTION_ARGS)
 	 * so we are using first primary worker node just for test purposes.
 	 */
 	WorkerNode *dummyWorkerNode = GetFirstPrimaryWorkerNode();
+	if (dummyWorkerNode == NULL)
+	{
+		ereport(ERROR, (errmsg("no worker nodes found"),
+						errdetail("Function activate_node_snapshot is meant to be "
+								  "used when running tests on a multi-node cluster "
+								  "with workers.")));
+	}

 	/*
 	 * Create MetadataSyncContext which is used throughout nodes' activation.