Horton

Re: [HACKERS] Current open 6.3 issues (fwd)

Marc Howard Zuckman <marc@fallon.classyad.com>

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From: Marc Howard Zuckman <marc@fallon.classyad.com>
To: "Vadim B. Mikheev" <vadim@sable.krasnoyarsk.su>
Cc: Bruce Momjian <maillist@candle.pha.pa.us>, PostgreSQL-development <hackers@postgreSQL.org>
Date: 1998-01-30T14:39:54Z
Lists: pgsql-hackers 
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.