表結構:
Create Table |
CREATE TABLE `123_csv` ( `id` int(10) unsigned NOT NULL AUTO_INCREMENT, `md` char(32) DEFAULT '', `time` timestamp NULL DEFAULT NULL, `fine` int(10) DEFAULT NULL, `carNo` varchar(255) DEFAULT NULL, `cityName` varchar(255) DEFAULT NULL, `recordId` int(10) DEFAULT NULL, `zhinajin` int(10) DEFAULT NULL, `address` varchar(255) DEFAULT NULL, `code` int(10) DEFAULT NULL, `deductPoint` int(10) DEFAULT NULL, `deductPointType` int(10) DEFAULT NULL, `behavior` varchar(255) DEFAULT NULL, `canHandle` varchar(255) DEFAULT NULL, `serviceFee` int(10) DEFAULT NULL, `note` varchar(255) DEFAULT NULL, PRIMARY KEY (`id`), KEY `time` (`time`,`carNo`,`address`,`behavior`), KEY `md` (`md`), KEY `deductPointType` (`behavior`) ) ENGINE=InnoDB AUTO_INCREMENT=396841 DEFAULT CHARSET=utf8 |
1.將車牌時間地點md5處理
UPDATE `123_csv` SET md=MD5(CONCAT(carNo,TIME,address))
2.內聯查詢
SELECT a.md,a.`behavior` FROM `123_csv` a LEFT JOIN 123_csv b ON a.`md`=b.`md` WHERE a.`behavior`!=b.`behavior` GROUP BY a.`md`
3.結果
4.根據md查詢的結果