Name
DROP TYPE
-- Removes user-defined types from the system catalogs
Synopsis
DROP TYPE typename [, ...]
Inputs
- typename
The name of an existing type.
Outputs
- DROP
The message returned if the command is successful.
- ERROR: RemoveType: type 'typename' does not exist
This message occurs if the specified type is not found.
Description
DROP TYPE will remove a user type from the
system catalogs.
Only the owner of a type can remove it.
Notes
DROP TYPE statement is a Postgres
language extension.
Refer to CREATE TYPE for
information on how to create types.
It is the user's responsibility to remove any operators,
functions, aggregates, access methods, subtypes, and tables
that use a deleted type.
If a built-in type is removed, the behavior of the backend
is unpredictable.
Usage
To remove the box type:
DROP TYPE box;
Compatibility
SQL3
DROP TYPE is a SQL3 statement.