'Return a query to get objects from the underlying _view_of class.'

@classmethod
def query(cls, rowkeys, after=None, reverse=False, count=1000):

    column_reversed = (not reverse)
    q = cls._query_cls(cls, rowkeys, column_count=count, column_reversed=column_reversed, column_to_obj=cls._column_to_obj, obj_to_column=cls._obj_to_column)
    q._after(after)
    return q
