extern Oid get_event_trigger_oid(const char *trigname, bool missing_ok);
extern void AlterEventTrigger(AlterEventTrigStmt *stmt);
-extern void RenameEventTrigger(const char* trigname, const char *newname);
-extern void AlterEventTriggerOwner(const char *name, Oid newOwnerId);
+extern Oid RenameEventTrigger(const char* trigname, const char *newname);
+extern Oid AlterEventTriggerOwner(const char *name, Oid newOwnerId);
extern void AlterEventTriggerOwner_oid(Oid, Oid newOwnerId);
extern bool EventTriggerSupportsObjectType(ObjectType obtype);
extern void AlterTableInternal(Oid relid, List *cmds, bool recurse);
-extern void AlterTableNamespace(AlterObjectSchemaStmt *stmt);
+extern Oid AlterTableNamespace(AlterObjectSchemaStmt *stmt);
extern void AlterTableNamespaceInternal(Relation rel, Oid oldNspOid,
Oid nspOid, ObjectAddresses *objsMoved);