order_column

# File activerecord/lib/active_record/relation/query_methods.rb, line 1302
      def order_column(field)
        arel_column(field) do |attr_name|
          if attr_name == "count" && !group_values.empty?
            arel_attribute(attr_name)
          else
            Arel.sql(connection.quote_table_name(attr_name))
          end
        end
      end