def order(*ordering)
      @order = ordering.map do |c|
        if c.kind_of?(String)
          {:column => c, :ascending => true}
        else
          c.symbolize_keys!
        end
      end
      self
    end
def order(*ordering)
      @order = ordering.map do |c|
        if c.kind_of?(String)
          {:column => c, :ascending => true}
        else
          c.symbolize_keys!
        end
      end
      self
    end
Order the results by the specified columns.

 @param ordering an array of hashes, of the form {:column =>
   "name", :ascending => true}
 @api public