From: | Thom Brown <thombrown(at)gmail(dot)com> |
---|---|
To: | vinny <vinny(at)xs4all(dot)nl> |
Cc: | AI Rumman <rummandba(at)gmail(dot)com>, pgsql-php(at)postgresql(dot)org |
Subject: | Re: large resultset |
Date: | 2010-06-15 09:43:35 |
Message-ID: | AANLkTimJPh6X78KS0rflYhLcldMtrIq8S4HfMVMKUJfS@mail.gmail.com |
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Lists: | pgsql-php |
On 15 June 2010 10:40, vinny <vinny(at)xs4all(dot)nl> wrote:
>
> On Tue, 15 Jun 2010 10:33:05 +0100, Thom Brown <thombrown(at)gmail(dot)com>
> wrote:
> > On 15 June 2010 09:31, AI Rumman wrote:
> > How to return large resutlset (almost 2 millions record) in php?
> >
> > Presumably this is so people can download results rather than display
> > them in a browser?
> >
> > Here's a basic a raw version of what you can do:
> >
> > $db = pg_connect($connection_string);
> >
> > $results = pg_query($db, $query);
> >
> > while ($result = pg_fetch_array($results)
> > {
> > echo implode("|", $result) . "\n"; //typo before
> > }
> >
> > pg_close($db);
> >
> > Obviously that wouldn't do by itself, but it's quite simple to loop over
> > a result set.
> >
> > Regards
> >
> > Thom
> >
>
> If that's the case surely you'd use some SQL to merge the data into one
> long string and return it in a single record.
> Looping over two million results is going to take a while, not to mention
> quite a bit of memory.
> v.
>
>
I don't understand. Return all data as a single massive string?
Thom
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