# File lib/active_record/base.rb, line 638
      def inspect
        inspection = if @attributes
                       self.class.column_names.collect { |name|
                         if has_attribute?(name)
                           "#{name}: #{attribute_for_inspect(name)}"
                         end
                       }.compact.join(", ")
                     else
                       "not initialized"
                     end
        "#<#{self.class} #{inspection}>"
      end