Re: apparent RI bug

On Thu, 3 Apr 2008, chester c young wrote:

>
> Stephan Szabo <sszabo@megazone.bigpanda.com> wrote:
>
> > On Wed, 2 Apr 2008, chester c young wrote:
> >
> > > it appears I have a broken RI in my db.
>
> > Yeah, that looks pretty broken. Can you reproduce this from a clean
> > start repeatedly or is this a one off? Do you ever turn off triggers,
> > perhaps by modifying the pg_class row's reltriggers (I'd guess the
> > answer is no, but it'd be good to make sure)?
>
> only one error.  unable to duplicate so far.
>
> this is a development db - triggers are frequently dropped and created,
> but I don't think ever concurrently with db activity.

Is it possible you ever had a before delete trigger that just did a return
NULL rather than raising an exception? IIRC, explicitly telling the
system to ignore the delete will work on the referential actions.