DROP FOREIGN TABLE

Name

DROP FOREIGN TABLE -- remove a foreign table

Synopsis

DROP FOREIGN TABLE [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ]

描述

DROP FOREIGN TABLE removes a foreign table. Only the owner of a foreign table can remove it.

参数

IF EXISTS

Do not throw an error if the foreign table does not exist. A notice is issued in this case.

name

The name (optionally schema-qualified) of the foreign table to drop.

CASCADE

Automatically drop objects that depend on the foreign table (such as views).

RESTRICT

Refuse to drop the foreign table if any objects depend on it. This is the default.

例子

To destroy two foreign tables, films and distributors:

DROP FOREIGN TABLE films, distributors;

兼容性

This command conforms to the ISO/IEC 9075-9 (SQL/MED), except that the standard only allows one foreign table to be dropped per command, and apart from the IF EXISTS option, which is a PostgreSQL extension.

参见

ALTER FOREIGN TABLE, CREATE FOREIGN TABLE