From: Joshua D. Drake <jd@commandprompt.com>
To: Kirk Wythers <kwythers@umn.edu>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Luke Lonergan <llonergan@greenplum.com>
Cc: Steinar H. Gunderson <sgunderson@bigfoot.com>
Cc: Gábriel Ákos <akos.gabriel@i-logic.hu>
Cc: pgsql-performance@postgresql.org
Subject: Re: trouble with a join on OS X
Date: Fri, 02 Feb 2007 19:25:38 -0800
Message-ID: <45C400B2.8010008@commandprompt.com> (raw)
In-Reply-To: <7CF821AD-20DA-4CC7-8A05-5B778B164327@umn.edu>
References: <C1E927EA.1A0FC%llonergan@greenplum.com>
<293ED31C-0866-4616-9D44-A22D8111E57C@umn.edu>
<26430.1170469932@sss.pgh.pa.us>
<7CF821AD-20DA-4CC7-8A05-5B778B164327@umn.edu>
Kirk Wythers wrote:
>
> On Feb 2, 2007, at 8:32 PM, Tom Lane wrote:
>
>> Kirk Wythers <kwythers@umn.edu> writes:
>>> On Feb 2, 2007, at 7:39 PM, Luke Lonergan wrote:
>>>> Now he's got to worry about how to page through 8GB of results in
>>>> something less than geological time with the space bar ;-)
>>
>>> I actually have no intention of paging through the results, but
>>> rather need to use the query to get the results into a new table with
>>> UPDATE, so that a GIS system can do some interpolations with subsets
>>> of the results.
>>
>> Er ... then why are you SELECTing the data at all? You can most likely
>> get it done much faster if the data stays inside the database engine.
>>
>>
>
> The new table needs to be filled with the results of the join. If there
> is a way to do this without a SELECT, please share.
INSERT INTO foo SELECT * FROM BAR JOIN baz USING (id)
Joshua D. Drake
>
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To: pgsql-performance@postgresql.org
Cc: jd@commandprompt.com, kwythers@umn.edu, tgl@sss.pgh.pa.us, llonergan@greenplum.com, sgunderson@bigfoot.com, akos.gabriel@i-logic.hu
Subject: Re: trouble with a join on OS X
In-Reply-To: <45C400B2.8010008@commandprompt.com>
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