Re: Reverse Index ... how to ...
От | Oleg Bartunov |
---|---|
Тема | Re: Reverse Index ... how to ... |
Дата | |
Msg-id | Pine.GSO.4.63.0604052220030.23110@ra.sai.msu.su обсуждение исходный текст |
Ответ на | Reverse Index ... how to ... ("Marc G. Fournier" <scrappy@postgresql.org>) |
Список | pgsql-sql |
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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