From: | Matthew Wakeling <matthew(at)flymine(dot)org> |
---|---|
To: | Greg Stark <gsstark(at)mit(dot)edu> |
Cc: | pgsql-performance(at)postgresql(dot)org |
Subject: | Re: How to run this in reasonable time: |
Date: | 2009-08-13 14:36:15 |
Message-ID: | alpine.DEB.2.00.0908131527390.19472@aragorn.flymine.org |
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Thread: | |
Lists: | pgsql-performance |
On Thu, 13 Aug 2009, Greg Stark wrote:
> On Thu, Aug 13, 2009 at 3:16 PM, Matthew Wakeling<matthew(at)flymine(dot)org> wrote:
>> Now, I'd like to get this done this side of Christmas, so I was wondering if
>> there's a neat trick I can use to get it to only consider the rows from s to
>> e, instead of having to iterate through them all. I tried this, but got an
>> error message:
>>
>> SELECT id, objectid, bin
>> FROM locationbintemp, generate_series(s, e) AS bin;
>
> select id, objectid, generate_series(s,e) as bin
> from locationbintemp
Thanks. That looks like it shouldn't work, but it does.
Matthew
--
"Beware the lightning that lurketh in an undischarged capacitor, lest it
cause thee to be bounced upon thy buttocks in a most ungentlemanly manner."
-- The Ten Commandments of Electronics
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