Removes 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 from the current database. A foreign-data wrapper may be removed only by its owner.

Parameters

IF EXISTS

Do not throw an error if the foreign-data wrapper does not exist. Greenplum Database issues a notice 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 wrapper if any object depends on it. This is the default.

Examples

Drop the foreign-data wrapper named 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 Greenplum Database extension.

See Also

CREATE FOREIGN DATA WRAPPER, ALTER FOREIGN DATA WRAPPER

Parent topic: SQL Commands