PicData. */ class PicData extends Model { public $pic_id; public $data; public function __construct() {} public static function fieldInfo() { $info = parent::fieldInfo(); $info['pic_id'] = 'int,unsigned'; $info['data'] = 'file'; return $info; } public static function fieldDBMapping() { $result = array(); foreach (self::fieldInfo() as $field=>$info) $result[$field] = $field; return $result; } }