define_method_attribute=

# File activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb, line 36
          def define_method_attribute=(attr_name)
            if create_time_zone_conversion_attribute?(attr_name, columns_hash[attr_name])
              method_body, line =                 def #{attr_name}=(original_time)                  time = original_time                  unless time.acts_like?(:time)                    time = time.is_a?(String) ? Time.zone.parse(time) : time.to_time rescue time                  end                  time = time.in_time_zone rescue nil if time                  changed = read_attribute(:#{attr_name}) != time                  write_attribute(:#{attr_name}, original_time)                  #{attr_name}_will_change! if changed                  @attributes_cache["#{attr_name}"] = time                end, __LINE__ + 1
              generated_attribute_methods.module_eval(method_body, __FILE__, line)
            else
              super
            end
          end