Re: 7.0 vs 7.1 running select count(*) FROM table WHERE (SELECT count(*) ) > 0;

Sorry... Exact same data.  Did a pg_dumpall from one to the other
first, then analyzed.
--
Rod Taylor

There are always four sides to every story: your side, their side, the
truth, and what really happened.
----- Original Message -----
From: "Joseph Shraibman" <jks@selectacast.net>
To: "Tom Lane" <tgl@sss.pgh.pa.us>
Cc: "Rod Taylor" <rod.taylor@inquent.com>;
<pgsql-general@postgresql.org>
Sent: Wednesday, February 28, 2001 6:12 PM
Subject: Re: [GENERAL] 7.0 vs 7.1 running select count(*) FROM table
WHERE (SELECT count(*) ) > 0;


> Tom Lane wrote:
> >
> > "Rod Taylor" <rod.taylor@inquent.com> writes:
> > > Query on 7.0 on Ultra II took over 5 hours.  Query on 7.1 on x86
took
> > > under 10 seconds.  Same data.
> >
> > Good ... I guess, because I'm not sure why the difference.  We
haven't
> > done very much in the optimizer since 7.0.  What are the full
> > declarations of these tables and their indexes?
> >
> >                         regards, tom lane
>
> Sometimes your production and development machines have different
data
> so behave differently.  With postgres this is more of a problem than
in
> general because of the planner.
>
> RT: have you tried the same query with the same data on your
development
> machine with 7.0?
>
> --
> Joseph Shraibman
> jks@selectacast.net
> Increase signal to noise ratio.  http://www.targabot.com
>