Jochem van Dieten <jochemd(at)oli(dot)tudelft(dot)nl> writes:
> I am having a problem with USAGE. If I create a schema, users other than
> the owner can enumerate tables in that schema.
This has nothing to do with USAGE on the schema; it is just a matter of
being able to read the system catalogs. The only way we could prevent
it would be to disallow unprivileged users from reading pg_class; which
would break enough things that it seems unattractive.
regards, tom lane