Jochem van Dieten <jochemd@oli.tudelft.nl> writes:
> - how would I grant select permissions to a user on tables in a specific
> database, while connected (as superuser) to a different database in the
> same cluster?
>
>> You wouldn't.
> I was under the impression that the relacl field in the pg_class table
> was just an array, so I could add items there.
You could do that (or just use GRANT/REVOKE to do it for you) ... *if*
you were in the right database. Since you're not, you have no access to
the pg_class table that you'd need to modify. Each database has its own
pg_class.
regards, tom lane