DROP CAST

Synopsis

Use the DROP CAST statement to remove a cast.

Syntax

• Grammar
• Diagram

drop_cast ::= DROP CAST [ IF EXISTS ] ( cast_signature ) 
              [ CASCADE | RESTRICT ]

drop_cast

Semantics

See the semantics of each option in the [PostgreSQL docs][postgresql-docs-drop-cast].

Examples

Basic example.

yugabyte=# CREATE FUNCTION sql_to_date(integer) RETURNS date AS $$
             SELECT $1::text::date
             $$ LANGUAGE SQL IMMUTABLE STRICT;
yugabyte=# CREATE CAST (integer AS date) WITH FUNCTION sql_to_date(integer) AS ASSIGNMENT;
yugabyte=# DROP CAST (integer AS date);

See also

• CREATE CAST
• postgresql-docs-drop-cast