Insert or Update in Save() method of Datamapper

[eluser]alaminx[/eluser]

Code:

CREATE TABLE IF NOT EXISTS `cities` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `position` int(11) DEFAULT NULL,
  `name` varchar(100) DEFAULT NULL,
  `country_id` int(11) DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `fk_cities_countries1` (`country_id`)
) ENGINE=MyISAM  DEFAULT CHARSET=utf8 AUTO_INCREMENT=16 ;

CREATE TABLE IF NOT EXISTS `countries` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `position` int(11) DEFAULT NULL,
  `name` varchar(100) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=MyISAM  DEFAULT CHARSET=utf8 AUTO_INCREMENT=7 ;