> I didn't write that (or at least, I didn't mean to write that :-). The
> SQL standard tells that they will not use trailing underscores,
> therefore *my* conclusion is that it is future proof (from a standards
> perspective) if all PostgreSQL extensions use a trailing underscore.
> Which also gives an indication to the user that it is a PostgreSQL
> extension.
All you need to do is add an oid_ column then you can join the
info_schema tables to the catalogs however you like.
Chris