Name
DROP CAST — remove a cast
Synopsis
DROP CAST (sourcetype
AS targettype
) [ CASCADE | RESTRICT ]
Description
DROP CAST
removes a previously defined cast.
To be able to drop a cast, you must own the source or the target
data type. These are the same privileges that are required to
create a cast.
Parameters
sourcetype
The name of the source data type of the cast.
targettype
The name of the target data type of the cast.
-
CASCADE
RESTRICT
These key words do not have any effect, since there are no
dependencies on casts.
Examples
To drop the cast from type text
to type int
:
DROP CAST (text AS int);
Compatibility
The DROP CAST
command conforms to the SQL standard.