[Developers] OR operator in query

[Arthur van Hoff]

What you need to use is reflection. Try something like this:

{
    "id": "/en/the_departed",
    "/type/reflect/any_master": [{
        "link": {"*": null}
        }],
    "/type/reflect/any_reverse": [{
        "link": {"*": null}
        }],
    "/type/reflect/any_value": [{
        "link": {"*": null}
        }]
}

> -----Original Message-----
> From: developers-bounces at freebase.com [mailto:developers-
> bounces at freebase.com] On Behalf Of Christian Hirsch
> Sent: Thursday, June 19, 2008 8:04 PM
> To: Freebase developers
> Subject: [Developers] OR operator in query
> 
> Hi,
> 
> I'm starting with a topic id (e.g. /en/the_departed) and like to
> query
> all of its properties (e.g. all actors starring in the movie, awards
> won, etc.).
> 
> At the moment I'm using separate queries for each type which is
> associated with the topic to get all these information, e.g.:
> 
> {
>   "*" : [],
>   "id" : "/en/the_departed",
>   "type" : "/film/film"
> }
> 
> ------------
> 
> {
>   "*" : [],
>   "id" : "/en/the_departed",
>   "type" : "/award/award_winning_work"
> }
> 
> ------------
> 
> etc.
> 
> This works well but is not very efficient.
> First of all a query is needed to get the types of the topic:
> {
>   "id" : "/en/the_departed",
>   "type" : []
> }
> 
> ...and then a query is needed for each type as described above.
> 
> 
> What would be the best way to reduce the number of queries?
> 
> I just tried to use an OR operator, e.g.:
> 
> {
>     "*" : [],
>     "id" : "/en/the_departed",
>     "type" : [],
>     "type|=" : [
>       "/film/film",
>       "/award/award_winning_work"
>     ]
> }
> 
> but it doesn't give the desired results. Is there some syntax error,
> or does the OR not work in this case?
> 
> Cheers,
> Christian
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