Add CDB_Federated_Table_Unregister

scripts-available/CDB_FederatedServerTables.sql

@@ -171,3 +171,22 @@ BEGIN
 END
 $$
 LANGUAGE PLPGSQL VOLATILE PARALLEL UNSAFE;
+
+
+CREATE OR REPLACE FUNCTION @extschema@.CDB_Federated_Table_Unregister(
+    server TEXT,
+    remote_schema TEXT,
+    remote_table TEXT
+)
+RETURNS void
+AS $$
+DECLARE
+    server_internal name := @extschema@.__CDB_FS_Generate_Server_Name(input_name := server, check_existence := false);
+    local_schema name := @extschema@.__CDB_FS_Create_Schema(server_internal, remote_schema);
+BEGIN
+    EXECUTE FORMAT ('DROP FOREIGN TABLE %I.%I CASCADE;', local_schema, remote_table);
+        
+
+END
+$$
+LANGUAGE PLPGSQL VOLATILE PARALLEL UNSAFE;