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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Rick Dicaire <kritek@gmail.com>
Cc: Kevin Grittner <Kevin.Grittner@wicourts.gov>
Cc: pgsql-admin@postgresql.org
Subject: Re: CLUSTER command
Date: Wed, 18 Jan 2012 13:59:49 -0500
Message-ID: <26230.1326913189@sss.pgh.pa.us> (raw)
In-Reply-To: <CA+Cc--fnt=i34g1k04=pNAqy-u2u-Ab-yoeWhCuO7Wh72heRjg@mail.gmail.com>
References: <CA+Cc--epWFt+SedYGu8bFwX_T-eRLoapDUq5FeGdDEbTWj08bA@mail.gmail.com>
	<4F168BF40200002500044900@gw.wicourts.gov>
	<CA+Cc--fnt=i34g1k04=pNAqy-u2u-Ab-yoeWhCuO7Wh72heRjg@mail.gmail.com>

Rick Dicaire <kritek@gmail.com> writes:
> How do I determine in what order tables are clustered when CLUSTER is
> executed with no args?

AFAIR there is no specified order.  It probably just seqscans pg_class,
so whatever physical order those tuples happen to have today is it.

			regards, tom lane

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