From: Oleg Bartunov <oleg@sai.msu.su>
To: Marc G. Fournier <scrappy@postgresql.org>
Cc: pgsql-sql@postgresql.org
Subject: Re: Reverse Index ... how to ...
Date: Wed, 5 Apr 2006 22:20:51 +0400 (MSD)
Message-ID: <Pine.GSO.4.63.0604052220030.23110@ra.sai.msu.su> (raw)
In-Reply-To: <20060405151239.F947@ganymede.hub.org>
References: <20060405151239.F947@ganymede.hub.org>
On Wed, 5 Apr 2006, Marc G. Fournier wrote:
>
> I'm still searching through Google and whatnot, but not finding anything off
> the bat ... is there some way of creating a 'REVERSE INDEX' on a column in a
> table?
>
> For instance, when I do a 'CLUSTER' to sort a table based on an INDEX, I'd
> like to sort it in reverse order, so would need the INDEX to go from
> 'GREATEST to LOWEST', vs 'LOWEST to GREATEST' ...
use something like
select * into new_table from old_table order by some_key desc;
>
> Thx
>
> ----
> Marc G. Fournier Hub.Org Networking Services (http://www.hub.org)
> Email: scrappy@hub.org Yahoo!: yscrappy ICQ: 7615664
>
> ---------------------------(end of broadcast)---------------------------
> TIP 5: don't forget to increase your free space map settings
>
Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru),
Sternberg Astronomical Institute, Moscow University, Russia
Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83
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To: pgsql-sql@postgresql.org
Cc: oleg@sai.msu.su, scrappy@postgresql.org
Subject: Re: Reverse Index ... how to ...
In-Reply-To: <Pine.GSO.4.63.0604052220030.23110@ra.sai.msu.su>
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