[Developers] PHP Integration Problems

Tim Kientzle tim at metaweb.com
Wed Jan 2 22:22:41 UTC 2008


If you get no results without the limit, it's probably timing out on  
the server.

You'll need to use a cursor to request "pages" of data at a time.  On  
freebase.com,
search for "MQL Cursors" and you'll get a few useful hits, including  
some examples:

http://www.freebase.com/view/search?limit=30&start=0&query=mql+cursor

You should probably start with the documentation here:

http://www.freebase.com/view/guid/9202a8c04000641f800000000544e139



On Jan 2, 2008, at 1:12 PM, Chris Mahon wrote:

> Hi Chris,
>
> Thanks for the reply. Starting to make more sense, I can't see how I  
> would use games_on_this_platform then? I.E. what can I do with it?  
> My query was the same as on the Query Builder/Editor which did  
> return results so it was odd that PHP did not. Anyway, I've made  
> good progress and now have results coming back!
>
> One quick question though. I am adding a limit to my query, above  
> the default 100. However when I do this it does not return results  
> for my query. If I take the limit out, I get results. Any ideas? Is  
> there a way of getting it to return ALL matches without limit?
>
> Query is now as follows:
>
> $q2 = array(array("/common/topic/image" => array(array("optional" =>  
> true, "id" => null)),
> 					 "type" => "/cvg/computer_videogame",
> 					 "name" => null,
> 					 "id" => null,
> 					 "sort" => "name",
> 					 "release_date" => array(),
> 					 "cvg_genre" => array(),
> 					 "versions" => array("platform" => array("id" => null, "name"  
> => null, "name~=" => "Xbox 360")),
> 					 "limit" => 150
> 	));
>
> Cheers,
> Chris
>
> On Jan 1, 2008 5:53 PM, Christopher R. Maden <crism at metaweb.com>  
> wrote:
> Chris Mahon <darthmahon at gmail.com> wrote:
> > I'm currently building a search page for computer games and have  
> come across
> > some teething problems whilst using freebase.
> >
> > This is the query I based that on from within the freebase query  
> builder:
> >
> > [{
> > "type":"/cvg/cvg_platform",
> > "games_on_this_platform":[{ "game":[{ "name":null }] }],
> > "name":"Xbox 360"
> > }]
>
> Happy new year, Chris.  The problem with using foreach on the result  
> of that query is that it returns a single thing: the platform called  
> "Xbox 360."  Now, it has a number of games on that platform, but the  
> root of the query is just the platform itself.
>
> You can turn the query inside-out, to find games whose platform is  
> the Xbox 360, or you can iterate over the games on that platform,  
> instead of iterating over the platform itself.
>
> ~Chris
> --
> Christopher R. Maden
> Data Architect
> Metaweb Technologies, Inc.
> <URL: http://www.metaweb.com/ >
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