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To: Cherio <cherio@gmail.com>
cc: pgsql-performance@postgresql.org
Subject: Re: Joining tables by UUID field - very slow 
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Comments: In-reply-to Cherio <cherio@gmail.com>
	message dated "Fri, 24 Feb 2012 17:46:23 -0500"
Date: Mon, 27 Feb 2012 10:25:31 -0500
Message-ID: <13339.1330356331@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
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Cherio <cherio@gmail.com> writes:
> This statement takes over 6 times longer than a similar statement against
> the same table except the join is done by a integer field, e.g.

Could we see EXPLAIN ANALYZE data for both cases?

How are you representing the UUIDs, exactly (ie what's the column data
type)?

			regards, tom lane