DROP TRANSFORM

Removes a transform.

Synopsis

DROP TRANSFORM [IF EXISTS] FOR <type_name> LANGUAGE <lang_name> [CASCADE | RESTRICT]

Description

DROP TRANSFORM removes a previously defined transform.

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

Parameters

IF EXISTS

Do not throw an error if the transform does not exist. Greenplum Database issues a notice 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, and in turn all objects that depend on those objects.

RESTRICT

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

Examples

To drop the transform for type hstore and language plpython3u:

DROP TRANSFORM FOR hstore LANGUAGE plpython3u;

Compatibility

This form of DROP TRANSFORM is a Greenplum Database extension. See CREATE TRANSFORM for details.

See Also

CREATE TRANSFORM

Parent topic: SQL Commands