From: Tom Lane <tgl@sss.pgh.pa.us>
To: Marc Mamin <M.Mamin@intershop.de>
Cc: pgsql-sql@postgresql.org
Subject: Re: Controlling join order with parenthesis
Date: Thu, 09 Sep 2010 09:49:45 -0400
Message-ID: <27781.1284040185@sss.pgh.pa.us> (raw)
In-Reply-To: <C4DAC901169B624F933534A26ED7DF31034BB7D3@JENMAIL01.ad.intershop.net>
References: <C4DAC901169B624F933534A26ED7DF31034BB7D3@JENMAIL01.ad.intershop.net>
"Marc Mamin" <M.Mamin@intershop.de> writes:
> According to the documentation, I thought it was possible to force given
> join orders with parenthesis.
You can do that if you dial down join_collapse_limit. Bear in mind that
leaves you *solely* responsible for picking an intelligent join order.
I wouldn't recommend it as a production setting.
regards, tom lane
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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, M.Mamin@intershop.de
Subject: Re: Controlling join order with parenthesis
In-Reply-To: <27781.1284040185@sss.pgh.pa.us>
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