instance method format_for_inspect

# File activerecord/lib/active_record/attribute_methods.rb, line 527
      def format_for_inspect(name, value)
        if value.nil?
          value.inspect
        else
          inspected_value = if value.is_a?(String) && value.length > 50
            "#{value[0, 50]}...".inspect
          elsif value.is_a?(Date) || value.is_a?(Time)
            %("#{value.to_fs(:inspect)}")
          else
            value.inspect
          end

          inspection_filter.filter_param(name, inspected_value)
        end
      end