ERROR 1449 (HY000): The user specified as a definer ('root'@'%') does not exist

今天转移bugfree，一直报错，原来是权限问题，数据库是从其他服务器上拷贝下来的，

[root@demo html]# mysql -u root -p

mysql> grant all privileges on *.* to root@"%" identified by ".";

mysql> FLUSH PRIVILEGES;