执行events命令时报错

【 使用环境 】 测试环境
【 使用版本 】oceanbase-4.2.2.0
【问题描述】将mysql的events命令copy出来,然后在oceanbase里执行以下命令报错:
DELIMITER $$

ALTER DEFINER=root@% EVENT Aggregate_Alert ON SCHEDULE EVERY 47 SECOND STARTS ‘2023-06-22 09:44:41’ ON COMPLETION NOT PRESERVE ENABLE DO CALL AggAlert()$$

DELIMITER ;
【报错描述】错误码: 1064
You have an error in your SQL syntax; check the manual that corresponds to your OceanBase version for the right syntax to use near '@% EVENT Aggregate_Alert ON SCHEDULE EVERY 47 SECOND STARTS ‘2023-06-22 09:4’ at line 1

这个是啥命令来着?

这条mysql的命令

ob4220不支持 ob424才支持event命令