mysql如何按特定id排序
mysql如何按特定id排序
SET FOREIGN_KEY_CHECKS=0;
-- ----------------------------
-- Table structure for `p`
-- ----------------------------
DROP TABLE IF EXISTS `p`;
CREATE TABLE `p` (
`id` int(11) NOT NULL auto_increment,
`name` varchar(255) default NULL,
`categories_id` int(11) default NULL,
PRIMARY KEY (`id`)
) ENGINE=MyISAM AUTO_INCREMENT=7 DEFAULT CHARSET=utf8;
-- ----------------------------
-- Records of p
-- ----------------------------
INSERT INTO `p` VALUES ('1', 'jimmy', '2');
INSERT INTO `p` VALUES ('2', 'tina', '2');
INSERT INTO `p` VALUES ('3', 'dd', '2');
INSERT INTO `p` VALUES ('4', 'hello', '2');
INSERT INTO `p` VALUES ('5', 'world', '2');
INSERT INTO `p` VALUES ('6', 'slucky', '2');
SET FOREIGN_KEY_CHECKS=0;
-- ----------------------------
-- Table structure for `p_sort`
-- ----------------------------
DROP TABLE IF EXISTS `p_sort`;
CREATE TABLE `p_sort` (
`categories_id` int(10) NOT NULL default '0',
`best_sort_person_id` varchar(100) default NULL,
PRIMARY KEY (`categories_id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;
-- ----------------------------
-- Records of p_sort
-- ----------------------------
INSERT INTO `p_sort` VALUES ('2', '2,5,1');
select * from p, p_sort
order by find_in_set(p.id, p_sort.best_sort_person_id)>0 desc, find_in_set(p.id, p_sort.best_sort_person_id) asc, id
