This question is about sorting by Pointer object in Parse.com cloud code.
I have an Class A object, and A.pointer is a Pointer object which point to Class B.
And I want to sort A in database by B.sortfield.
I've tried to use innerQuery like below, but seems not work.
var query = new Parse.Query(A);
var innerQuery = new Parse.Query(B);
innerQuery.descending('sortfield');
query.matchesQuery("pointer", innerQuery);
query.......
Could anybody tell me how to do it? tnx!