Bruce Momjian <[EMAIL PROTECTED]> writes: > Tom Lane wrote: >> 4. User charlie revokes alice's membership in admin. >> >> Now what? Alice's FK constraint is violated, according to the rules >> KaiGai proposes. Shall REVOKE have to grovel through every table in the >> database looking for possible violations ... and of course locking the >> entire DB against writes while it does it? That's not gonna fly. I >> also note that the failure would expose knowledge of the contents of BT >> and AT to charlie, which might not be thought desirable either.
> I assume Alice now gets an error on the query that references the > now-invisible foreign key --- that sounds reasonable to me. You mean her data just disappears? Doesn't sound very reasonable to me. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers