method_missing

# File activerecord/lib/active_record/attribute_methods.rb, line 37
    def method_missing(method_id, *args, &block)
      # If we haven't generated any methods yet, generate them, then
      # see if we've created the method we're looking for.
      if !self.class.attribute_methods_generated?
        self.class.define_attribute_methods
        method_name = method_id.to_s
        guard_private_attribute_method!(method_name, args)
        send(method_id, *args, &block)
      else
        super
      end
    end