…er that uses array operators
… returning a WillPaginate::Collection, which was removed from Mongoid
- adding functionality to change attributes of sort and filter more simply
… field=direction, and adding support for specifying more than one field in order_by parameter in query string. - Specifying sorting options had the drawback of having to rely on the order that was given in the query string, which could lead to wrong results. - By adding support to pass more than one field, separating them with '|', we simplify the way ordering is specified, and also the parsing of filters, since we can just get everything except a few reserved keywords.
…d result for filter_by
…ue a count in the database
…ching boolean field values, as well as fields with nil values
…parameters were used would raise error