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. -- Bruce Momjian <[EMAIL PROTECTED]> http://momjian.us EnterpriseDB http://enterprisedb.com + If your life is a hard drive, Christ can be your backup. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers