DROP TRANSFORM
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DROP TRANSFORM
DROP TRANSFORM
7
SQL - Language Statements
DROP TRANSFORM
remove a transform
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 ???).
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 PostgreSQL extension. See ??? for details.