我想定义一个表,它将有2个时间戳字段,类似这样:
CREATE TABLE `msgs` (
`id` INT PRIMARY KEY AUTO_INCREMENT,
`msg` VARCHAR(256),
`ts_create` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
`ts_update` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
)
如何避免出现错误:
ERROR 1293 (HY000): Incorrect table definition; there can be only one TIMESTAMP column with CURRENT_TIMESTAMP in DEFAULT or ON UPDATE clause
要点是将ts_create
和ts_update
的所需行为保留在表模式中。
https://stackoverflow.com/questions/4897002
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