DROP CAST — remove a cast
DROP CAST [ IF EXISTS ] (
target_type) [ CASCADE | RESTRICT ]
DROP CAST removes a previously
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.
Do not throw an error if the cast does not exist. A notice is issued in this case.
The name of the source data type of the cast.
The name of the target data type of the cast.
These key words do not have any effect, since there are no dependencies on casts.
To drop the cast from type
DROP CAST (text AS int);
DROP CAST command conforms
to the SQL standard.
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