mysql_upgrade: [ERROR] 1449: 怎么解决？

Question

C:\Users\lordwithme>mysql_upgrade -uroot -p123456
mysql_upgrade: [Warning] Using a password on the command line interface can be insecure.
Checking if update is needed.
Checking server version.
Running queries to upgrade MySQL server.
mysql_upgrade: [ERROR] 1449: The user specified as a definer ('mysql.infoschema'@'localhost') does not exist

Answer 1

https://www.jianshu.com/p/3231c19dbbe5