code: def order(*ordering)
        @order ||= []
        ordering.flatten.each do |order|
          order = Order.new(order) if order.respond_to?(:to_sym)
          if order.is_a?(Order)
            order.field = Query.format_field(order.field)
            @order.push order
          end
        end #value.each
        @results = nil if ordering.count > 0
        self #chaining
      end
docs: Add a sorting order for the query.
   @example
    # order updated_at ascending order
    Song.all :order => :updated_at
  
    # first order by highest like_count, then by ascending name.
    # Note that ascending is the default if not specified (ex. `:name.asc`)
    Song.all :order => [:like_count.desc, :name]
   @param ordering [Parse::Order] an ordering
   @return [self]