## DROP FOREIGN DATA WRAPPER

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 servers).

`RESTRICT`

  Refuse to drop the foreign-data wrappers 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, ALTER FOREIGN DATA WRAPPER