Movatterモバイル変換

ホーム

DROP TRANSFORM
Prev	Up	SQL Commands	Home	Next

DROP TRANSFORM

DROP TRANSFORM — remove a transform

DROP TRANSFORM [ IF EXISTS ] FORtype_name LANGUAGElang_name

DROP TRANSFORM removes a previously defined transform.

To be able to drop a transform, you must own the type and the language. These are the same privileges that are required to create a transform.

IF EXISTS: Do not throw an error if the transform does not exist. A notice is issued in this case.
type_name: The name of the data type of the transform.
lang_name: The name of the language of the transform.
CASCADE: Automatically drop objects that depend on the transform.
RESTRICT: Refuse to drop the transform if any objects depend on it. This is the default.

To drop the transform for typehstore and languageplpythonu:

DROP TRANSFORM FOR hstore LANGUAGE plpythonu;

This form ofDROP TRANSFORM is aPostgreSQL extension. SeeCREATE TRANSFORM for details.