DROP FOREIGN DATA WRAPPER
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## 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 foreign tables and servers), and in turn all objects that depend on those objects (see Section 5.17).

`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, ALTER FOREIGN DATA WRAPPER

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