Re: [HACKERS] HAVING clause and 6.3.2 release

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

From: Marc Howard Zuckman <marc@fallon.classyad.com>
To: The Hermit Hacker <scrappy@hub.org>
Cc: Bruce Momjian <maillist@candle.pha.pa.us>, PostgreSQL-development <hackers@postgreSQL.org>, ssimkovi@rainbow.studorg.tuwien.ac.at
Date: 1998-04-16T13:01:11Z
Lists: pgsql-hackers
On Thu, 16 Apr 1998, The Hermit Hacker wrote:

> On Wed, 15 Apr 1998, Bruce Momjian wrote:
> 
> > Attached is a list of bug reports for the HAVING clause.
> > 
> > My question is, "Do we disable the HAVING clause for 6.3.2?"  The bugs
> > are serious and cause crashes.
> > 
> > I have looked at the issues, and the basic problems are that the
> > aggregate logic expects to be attached to an actual field in the target
> > list, and the HAVING clause does not properly handle non-aggregate
> > retrictions, nor does it prevent them.  COUNT(*) uses the oid of the
> > first FROM table, so that is a problem too.
> > 
> > I have looked at the code, but don't have time to fix it before Friday,
> > and holding up the release for that would be silly.  I don't think there
> > is one thing wrong, but several places that have to be change to get
> > this working solidly.
> > 
> > Do we disable it?
> 
> 	Yes...but disabling means that it *will not* be available until
> v6.4...no v6.3.3 :)
> 
> 
What about including it as an optional feature by defining something like

/* #define BUGGY_HAVING_CLAUSE */

Marc Zuckman
marc@fallon.classyad.com

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