Removes a domain.

Synopsis

DROP DOMAIN [IF EXISTS] <name> [, ...]  [CASCADE | RESTRICT]

Description

DROP DOMAIN removes a previously defined domain. Only the owner of a domain can remove it.

Parameters

IF EXISTS

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

name

The name (optionally schema-qualified) of an existing domain.

CASCADE

Automatically drop objects that depend on the domain (such as table columns), and in turn all objects that depend on those objects.

RESTRICT

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

Examples

Remove the domain named us_postal_code:

DROP DOMAIN us_postal_code;

Compatibility

This command conforms to the SQL standard, except for the IF EXISTS option, which is a WarehousePG extension.

See Also

ALTER DOMAIN, CREATE DOMAIN

Parent topic: SQL Commands