[Developers] help - MQL to query by type and get all types

Christopher R. Maden crism at metaweb.com
Wed Mar 18 19:33:30 UTC 2009


John Merrells wrote:
> But that doesn't work, as 'type' can only appear once. I can't work out 
> the syntax to express this query :-( Any help much appreciated :-)

JSON imposes the restriction that each key can only appear once.  In 
MQL, the work-around for that is that arbitrary colon-separated prefixes 
are allowed; try this instead:


[{
     "id" : null,
     "name" : null,
     "type" : "/music/artist"
     "all:type" : []
}]

~Chris
-- 
Christopher R. Maden
Data Architect
Freebase.com: <URL: http://www.freebase.com/ >
Metaweb Technologies, Inc. <URL: http://www.metaweb.com/ >


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