Re: Index usage for sorted query - Mailing list pgsql-performance

Hi, Pierre-Frédéric,

On Sat, 20 Nov 2004 17:12:43 +0100
Pierre-Frédéric Caillaud <lists@boutiquenumerique.com> wrote:

> > WHERE cd='ca' ORDER BY l_postcode;
>
> Write :
>
> > WHERE cd='ca' ORDER BY cd, l_postcode;
>
> You have a multicolumn index, so you should specify a multicolumn sort
> exactly the same as your index, and the planner will get it.

Thanks, that seems to help.

Seems weird to order by a column that is all the same value, but well,
why not :-)

Thanks a lot,
Markus


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