Re: multi-column index

From: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
To: Manfred Koizar <mkoi-pg(at)aon(dot)at>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, David Brown <time(at)bigpond(dot)net(dot)au>, Josh Berkus <pgsql-performance(at)postgresql(dot)org>
Subject: Re: multi-column index
Date: 2005-03-17 08:55:15
Message-ID: 423945F3.8030800@familyhealth.com.au
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> May be it's time to revisit an old proposal that has failed to catch
> anybody's attention during the 7.4 beta period:
> http://archives.postgresql.org/pgsql-hackers/2003-08/msg00937.php
>
> I'm not sure I'd store index correlation in a separate table today.
> You've invented something better for functional index statistics, AFAIR.

Make it deal with cross-table fk correlations as well :)

Chris

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