Tom Lane wrote:
> I'm not sure whether allowing that would be good or bad. I see no
> obvious killer reason why it'd be bad, but it seems like the kind of
> thing we might regret someday. pg_global is in some sense an
> implementation artifact, so allowing users to depend on it might be
> bad in the long run.
Agreed, it feels scary to allow it.
-- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com