| From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
|---|---|
| To: | Kirk Wythers <kwythers(at)umn(dot)edu> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Luke Lonergan <llonergan(at)greenplum(dot)com>, "Steinar H(dot) Gunderson" <sgunderson(at)bigfoot(dot)com>, Gábriel Ákos <akos(dot)gabriel(at)i-logic(dot)hu>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: trouble with a join on OS X |
| Date: | 2007-02-03 03:25:38 |
| Message-ID: | 45C400B2.8010008@commandprompt.com |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
Kirk Wythers wrote:
>
> On Feb 2, 2007, at 8:32 PM, Tom Lane wrote:
>
>> Kirk Wythers <kwythers(at)umn(dot)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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