--- title: "DROP FOREIGN DATA WRAPPER" id: sql-dropforeigndatawrapper pg_version: "20devel" --- # DROP FOREIGN DATA WRAPPER — remove a foreign-data wrapper ## Synopsis ``` DROP FOREIGN DATA WRAPPER [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ] ``` ## Description `DROP FOREIGN DATA WRAPPER` removes an existing foreign-data wrapper. To execute this command, the current user must be the owner of the foreign-data wrapper. ## Parameters **`IF EXISTS`** Do not throw an error if the foreign-data wrapper does not exist. A notice is issued in this case. **`name`** The name of an existing foreign-data wrapper. **`CASCADE`** Automatically drop objects that depend on the foreign-data wrapper (such as foreign tables and servers), and in turn all objects that depend on those objects (see [Section 5.17](ddl-depend.md)). **`RESTRICT`** Refuse to drop the foreign-data wrapper if any objects depend on it. This is the default. ## Examples Drop the foreign-data wrapper `dbi`: DROP FOREIGN DATA WRAPPER dbi; ## Compatibility `DROP FOREIGN DATA WRAPPER` conforms to ISO/IEC 9075-9 (SQL/MED). The `IF EXISTS` clause is a PostgreSQL extension. ## See Also [CREATE FOREIGN DATA WRAPPER](sql-createforeigndatawrapper.md), [ALTER FOREIGN DATA WRAPPER](sql-alterforeigndatawrapper.md)