From: Steinar H. Gunderson <sgunderson@bigfoot.com>
To: pgsql-performance@postgresql.org
Subject: Re: Materializing a sequential scan
Date: Thu, 27 Oct 2005 02:57:15 +0200
Message-ID: <20051027005715.GA11032@uio.no> (raw)
In-Reply-To: <13034.1130374263@sss.pgh.pa.us>
References: <20051019174544.GA32303@samfundet.no>
<20051026213730.GA2295@uio.no>
<12333.1130367975@sss.pgh.pa.us>
<20051026232219.GA6390@uio.no>
<12708.1130370782@sss.pgh.pa.us>
<20051027001348.GA7756@uio.no>
<13034.1130374263@sss.pgh.pa.us>
On Wed, Oct 26, 2005 at 08:51:03PM -0400, Tom Lane wrote:
> I have some ideas in the back of my head about supporting
> cross-data-type hashing. Essentially this would require that the hash
> functions for two types be compatible in that they generate the same
> hash value for two values that would be considered equal.
OK, another entry for the TODO then.
Anyhow, my query is now on about the same performance level with 8.1 as it
was with 7.4 (or rather, a bit faster), so it's no longer a 8.1 blocker for
us. Thanks. :-)
/* Steinar */
--
Homepage: http://www.sesse.net/
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-performance@postgresql.org
Cc: sgunderson@bigfoot.com
Subject: Re: Materializing a sequential scan
In-Reply-To: <20051027005715.GA11032@uio.no>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox