Hi, Constraints based on results of other query doesn't seem to work in parse-server. Simple iOS example (working with Parse.com): ``` PFQuery *fooQuery = [FooObject query]; PFQuery *barQuery = [BarObject query]; [barQuery whereKey:@"innerFooObject" matchesQuery:fooQuery]; ``` Throws ``` "Error Domain=Parse Code=102 \"improper usage of $inQuery\" ```