On mån, 2011-11-28 at 14:25 -0600, Merlin Moncure wrote:
> On Tue, Nov 15, 2011 at 2:23 PM, Peter Eisentraut <peter_e@gmx.net> wrote:
> > The basics here are mainly informed by the SQL standard. One thing from
> > there I did not implement is checking for permission of a type used in
> > CAST (foo AS type). This would be doable but relatively complicated,
> > and in practice someone how is not supposed to be able to use the type
> > wouldn't be able to create the cast or the underlying cast function
> > anyway for lack of access to the type.
>
> I'm not quite following that: with your patch are you or are you not
> prohibited from utilizing casts? In other words, if you didn't have
> USAGE priv, what would happen if you tried this:
>
> CREATE VIEW v AS SELECT null::restricted_type::text; ?
This is not affected by my patch, so it would do whatever it did before.
