Re: large resultset
Thom Brown <[email protected]> Tue, 15 Jun 2010 10:43:35 +0100
| Newsgroups | gmane.comp.db.postgresql.php |
|---|---|
| Message-ID | <[email protected]> |
On 15 June 2010 10:40, vinny <[email protected]> wrote: > > On Tue, 15 Jun 2010 10:33:05 +0100, Thom Brown <[email protected]> > 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