Re: Multicolumn indexes and ORDER BY
От
Jernej Kos
Тема
Re: Multicolumn indexes and ORDER BY
Дата
Msg-id
200406161539.35947.kostko@jweb-network.net
Ответ на
Re: Multicolumn indexes and ORDER BY (Martijn van Oosterhout)
Список
Дерево обсуждения
Multicolumn indexes and ORDER BY Jernej Kos <kostko@jweb-network.net>
Re: Multicolumn indexes and ORDER BY Martijn van Oosterhout <kleptog@svana.org>
Re: Multicolumn indexes and ORDER BY Jernej Kos <kostko@jweb-network.net>
Re: Multicolumn indexes and ORDER BY Tom Lane <tgl@sss.pgh.pa.us>
Yes i tried that already - and as you said, it works. But i need to have one column sorted DESC and one ASC. Is there any way this could be done ? Regards, Jernej Kos. On Wednesday 16 of June 2004 08:12, Martijn van Oosterhout wrote: > On Wed, Jun 16, 2004 at 07:12:26AM +0200, Jernej Kos wrote: > > I have a multicolumn index on two columns. If i use the columns in ORDER > > BY like this: > > ORDER BY col1, col2; > > > > The index is used. But, if one column is sorted DESC it is not used: > > ORDER BY col1 DESC, col2; > > > > How can i make this work ? > > Try: > > ORDER BY col1 DESC, col2 desc; > > Hope this helps, -- Jernej Kos JWeb-Network
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