|The PostgreSQL 9.0 Reference Manual - Volume 1B - SQL Command Reference
by The PostgreSQL Global Development Group
Paperback (6"x9"), 488 pages
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1.27 ALTER TYPE
ALTER TYPE -- change the definition of a type
ALTER TYPE name RENAME TO new_name ALTER TYPE name OWNER TO new_owner ALTER TYPE name SET SCHEMA new_schema
ALTER TYPE changes the definition of an existing type.
You must own the type to use
To change the schema of a type, you must also have
CREATE privilege on the new schema.
To alter the owner, you must also be a direct or indirect member of the new
owning role, and that role must have
CREATE privilege on
the type's schema. (These restrictions enforce that altering the owner
doesn't do anything you couldn't do by dropping and recreating the type.
However, a superuser can alter ownership of any type anyway.)
- The name (possibly schema-qualified) of an existing type to alter.
- The new name for the type.
- The user name of the new owner of the type.
- The new schema for the type.
To rename a data type:
ALTER TYPE electronic_mail RENAME TO email;
To change the owner of the type
ALTER TYPE email OWNER TO joe;
To change the schema of the type
ALTER TYPE email SET SCHEMA customers;
There is no
ALTER TYPE statement in the SQL
|ISBN 9781906966058||The PostgreSQL 9.0 Reference Manual - Volume 1B - SQL Command Reference||See the print edition|