Re: Updates of SE-PostgreSQL 8.4devel patches

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  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
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