修改表中某个字段等于另一个字段减去 2 小时的 SQL

Joker_PL2024-03-06 19:17

需求：将表中到达时间按照客户要求改为比赛时间的提前 N 小时，具体如下：

表结构

sql 复制代码

update 
contestSchedule 
SET 
`mainRefereeArrivalTime`=DATE_FORMAT(CONCAT('2024-03-04 ',`gameTime`)- INTERVAL 2 HOUR, '%H:%i'),
`assistantRefereeArrivalTime`=DATE_FORMAT(CONCAT('2024-03-04 ',`gameTime`)- INTERVAL 2 HOUR, '%H:%i'),
`onRefereeArrivalTime`=DATE_FORMAT(CONCAT('2024-03-04 ',`gameTime`)- INTERVAL 2 HOUR, '%H:%i'),
`offRefereeArrivalTime`=DATE_FORMAT(CONCAT('2024-03-04 ',`gameTime`)- INTERVAL 2 HOUR, '%H:%i')
 WHERE
`contestTypeId`=2;

update contestSchedule 
SET 
`mainRefereeArrivalTime`=DATE_FORMAT(CONCAT('2024-03-04 ',`gameTime`)- INTERVAL 3 HOUR, '%H:%i'),
`assistantRefereeArrivalTime`=DATE_FORMAT(CONCAT('2024-03-04 ',`gameTime`)- INTERVAL 3 HOUR, '%H:%i'),
`onRefereeArrivalTime`=DATE_FORMAT(CONCAT('2024-03-04 ',`gameTime`)- INTERVAL 3 HOUR, '%H:%i'),
`offRefereeArrivalTime`=DATE_FORMAT(CONCAT('2024-03-04 ',`gameTime`)- INTERVAL 3 HOUR, '%H:%i')
WHERE 
`contestTypeId`=3;

sql 复制代码

update 
contestSchedule 
SET 
`mainRefereeArrivalTime`=DATE_FORMAT(CONCAT('2024-03-04 ',`gameTime`)- INTERVAL 3 HOUR, '%H:%i'),
`assistantRefereeArrivalTime`=DATE_FORMAT(CONCAT('2024-03-04 ',`gameTime`)- INTERVAL 3 HOUR, '%H:%i'),
`onRefereeArrivalTime`=DATE_FORMAT(CONCAT('2024-03-04 ',`gameTime`)- INTERVAL 2 HOUR, '%H:%i'),
`offRefereeArrivalTime`=DATE_FORMAT(CONCAT('2024-03-04 ',`gameTime`)- INTERVAL 3 HOUR - INTERVAL 10 MINUTE, '%H:%i') 
WHERE 
`contestTypeId`=1;