一招解决MySql Specified key was too long; max key length is 767 bytes
背景今天迁移环境上阿里云的DMS建表CREATETABLE`xxl_job_registry`(`id`int(11)NOTNULLAUTO_INCREMENT,`registry_group`varchar(50)NOTNULL,`registry_key`varchar(255)NOTNULL,`registry_value`varchar(255)NOTNULL,`update_time`d