From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
---|---|
To: | Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> |
Cc: | Mike Ginsburg <mginsburg(at)collaborativefusion(dot)com>, pgsql-general(at)postgresql(dot)org |
Subject: | Re: Large Result and Memory Limit |
Date: | 2007-10-04 20:22:45 |
Message-ID: | 20071004202245.GC28896@alvh.no-ip.org |
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Lists: | pgsql-general |
Scott Marlowe escribió:
> On 10/4/07, Alvaro Herrera <alvherre(at)commandprompt(dot)com> wrote:
> > Mike Ginsburg wrote:
> > > Hello,
> > > I am working on a personnel registry that has upwards of 50,000
> > > registrants. Currently I am working on an export module that will create a
> > > CSV from multiple tables. I have managed to keep the script (PHP) under
> > > the memory limit when creating and inserting the CSV into the database.
> > > The problem comes when I try to query for the data and export it. Memory
> > > limit is a major concern, but the query for one row returns a result set
> > > too large and PHP fails.
> >
> > One row? Wow, I didn't know PHP was that broken.
>
> No, it's not php, it's his approach that's broken.
Oh, I didn't realize that's what he was saying.
Of course, you can get the thing out of the database using substring()
but really this is a matter of really poor design.
--
Alvaro Herrera http://www.amazon.com/gp/registry/CTMLCN8V17R4
"No hay cielo posible sin hundir nuestras raíces
en la profundidad de la tierra" (Malucha Pinto)
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