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; ?
merlin