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DROP TRANSFORM
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DROP TRANSFORM

DROP TRANSFORM — remove a transform

Synopsis

DROP TRANSFORM [ IF EXISTS ] FOR type_name LANGUAGE lang_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 5.14).
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.

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