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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 Dependency Tracking).
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 sql-createtransform for details.