c9gRSc17

1CREATE TABLE IF NOT EXISTS `docs` (
2  `id` int(6) NOT NULL AUTO_INCREMENT,
3  `car_id` int(6) unsigned NOT NULL,
4  `user_id` int(6) unsigned NOT NULL,
5  `status` VARCHAR(16),
6  PRIMARY KEY (`id`),
7  UNIQUE KEY (`car_id`,`user_id`)
8) DEFAULT CHARSET=utf8;
9
10INSERT INTO `docs` (car_id, user_id)
11VALUES (1, 2), (1, 3), (2, 2), (1, 3)
12  ON DUPLICATE KEY UPDATE `status`='sraka';