DROP TRANSFORM
DROP TRANSFORM — remove a transform
Synopsis
DROP TRANSFORM [ IF EXISTS ] FORtype_nameLANGUAGElang_name[ CASCADE | RESTRICT ]
Description
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.
Parameters
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, and in turn all objects that depend on those objects (see Section 5.13).
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 plpythonu:
DROP TRANSFORM FOR hstore LANGUAGE plpythonu;
Compatibility
This form of DROP TRANSFORM is a PostgreSQL extension. See CREATE TRANSFORM for details.