mysql触发器操作

SHOW VARIABLES LIKE 'event_scheduler';

DROP EVENT IF EXISTS `event_minute`;

DELIMITER ;;#更改结束符为;;

CREATE DEFINER=`root`@`localhost` EVENT `event_minute` ON SCHEDULE EVERY 1 MINUTE STARTS FROM_UNIXTIME(UNIX_TIMESTAMP(NOW())) ON COMPLETION NOT PRESERVE ENABLE DO

BEGIN

UPDATE PLACE_STATUS SET STATUS=2 WHERE TIME_END=0 AND UNIX_TIMESTAMP(NOW())-LAST_HEARTBEAT_TIME>300

END

;;

DELIMITER ;