define_method_attribute

# File activerecord/lib/active_record/attribute_methods/read.rb, line 39
          def define_method_attribute(attr_name)
            if self.serialized_attributes[attr_name]
              define_read_method_for_serialized_attribute(attr_name)
            else
              define_read_method(attr_name.to_sym, attr_name, columns_hash[attr_name])
            end

            if attr_name == primary_key && attr_name != "id"
              define_read_method(:id, attr_name, columns_hash[attr_name])
            end
          end