Add ensure no modification back

src/backend/distributed/metadata/metadata_sync.c

@@ -83,7 +83,6 @@
 char *EnableManualMetadataChangesForUser = "";
 
 
-static void EnsureSequentialModeMetadataOperations(void);
 static List * CitusTableMetadataCreateCommandList(Oid relationId);
 static void EnsureObjectMetadataIsSane(int distributionArgumentIndex,
 									   int colocationId);
@@ -276,7 +275,7 @@ SyncCitusTableMetadata(Oid relationId)
  * visible on all connections used by the transaction, meaning we can only use 1
  * connection per node.
  */
-static void
+void
 EnsureSequentialModeMetadataOperations(void)
 {
 	if (!IsTransactionBlock())

src/backend/distributed/metadata/node_metadata.c

@@ -798,6 +798,7 @@ SyncObjectDependenciesToNode(WorkerNode *workerNode)
 		return;
 	}
 
+	EnsureSequentialModeMetadataOperations();
 	Assert(ShouldPropagate());
 
 	List *commandList = SyncObjectDependenciesCommandList(workerNode);

src/include/distributed/metadata_sync.h

@@ -31,6 +31,7 @@ typedef enum
 /* Functions declarations for metadata syncing */
 extern void SyncNodeMetadataToNode(const char *nodeNameString, int32 nodePort);
 extern void SyncCitusTableMetadata(Oid relationId);
+extern void EnsureSequentialModeMetadataOperations(void);
 extern bool ClusterHasKnownMetadataWorkers(void);
 extern char * LocalGroupIdUpdateCommand(int32 groupId);
 extern bool ShouldSyncTableMetadata(Oid relationId);