Re: CLUSTER and synchronized scans and pg_dump et al

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Gregory Stark" <stark(at)enterprisedb(dot)com>, "pgsql-hackers list" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: CLUSTER and synchronized scans and pg_dump et al
Date: 2008-01-28 14:55:41
Message-ID: 479D988B.EE98.0025.0@wicourts.gov
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>>> On Sun, Jan 27, 2008 at 9:02 AM, in message
<87odb7s45i(dot)fsf(at)oxford(dot)xeocode(dot)com>, Gregory Stark <stark(at)enterprisedb(dot)com>
wrote:

> Perhaps we should have some form of escape hatch for pg_dump to request real
> physical order when dumping clustered tables.

It would seem reasonable to me for pg_dump to use ORDER BY to select
data from clustered tables.

I don't see a general case for worrying about the order of rows
returned by queries which lack an ORDER BY clause.

-Kevin

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