You may have to use counts from map reduce. I'm not super familiar with the current state of MongoDB. http://mongoid.org/en/mongoid/docs/querying.html#aggregat

You may have to use counts from map reduce. I'm not super familiar with the current state of MongoDB. http://mongoid.org/en/mongoid/docs/querying.html#aggregations http://mongoid.org/en/mongoid/docs/querying.html#aggregation... Hopefully someone else can speak to this.