From: Tom Lane <tgl@sss.pgh.pa.us>
To: Cherio <cherio@gmail.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Joining tables by UUID field - very slow
Date: Mon, 27 Feb 2012 10:25:31 -0500
Message-ID: <13339.1330356331@sss.pgh.pa.us> (raw)
In-Reply-To: <CAKHqFk+BOgDe=3B9P0mvtviTN+bcO1XvL0k50BVQqiVWRjF7eg@mail.gmail.com>
References: <CAKHqFk+BOgDe=3B9P0mvtviTN+bcO1XvL0k50BVQqiVWRjF7eg@mail.gmail.com>
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
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To: pgsql-performance@postgresql.org
Cc: tgl@sss.pgh.pa.us, cherio@gmail.com
Subject: Re: Joining tables by UUID field - very slow
In-Reply-To: <13339.1330356331@sss.pgh.pa.us>
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