Re: trouble with a join on OS X
От | Kirk Wythers |
---|---|
Тема | Re: trouble with a join on OS X |
Дата | |
Msg-id | 7CF821AD-20DA-4CC7-8A05-5B778B164327@umn.edu обсуждение исходный текст |
Ответ на | Re: trouble with a join on OS X (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: trouble with a join on OS X
Re: trouble with a join on OS X |
Список | pgsql-performance |
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.
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