> You can write a query against the system catalog tables.
That was pretty hard than I though(schema search path etc.).
> Or you could
> install a function that wraps the regclass cast in an exception
> handler.
That requires users to install the function. Annoying for users.
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp