On Fri, 30 Jan 1998, Vadim B. Mikheev wrote:
> Bruce Momjian wrote:
> >
> > > > GROUP BY bug of duplicates
> > > > GROUP BY nulls bug
> > > > ORDER BY nulls(Vadim?)
> > > > many OR's exhaust optimizer memory(Vadim?)
> > > > max tuple length settings(Darren & Peter)
> > > > pg_user defaults to world-readable until passwords used(Todd)
> > > > self-join optimizer bug
> ^^^^^^^^^^^^^^^^^^^^^^^
>
> Test case, please.
I'm not sure if this is an example of the self-join bug mentioned above
or just an example of an "exceptional" computing challenge. I repost
the example so that those of you who understand what's going on can
judge for yourself.