Are you refering to table pg_type? If yes, those type structures exist only in c I didn't write any in-out functions, so they don't exist in sql level.
Type should have in/out function, at least dummy. If type is not present in pg_type table then postgres can not operate with even on disk.
-- Teodor Sigaev E-mail: teo...@sigaev.ru WWW: http://www.sigaev.ru/ -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers