ERROR 1449 (HY000)

描述：

mysql> show databases;
ERROR 1449 (HY000): The user specified as a definer ('mysql.infoschema'@'localhost') does not exist

解决：

总体办法就是给 mysql.infoschema 用户添加权限。
MySQL8.0 之后，不支持使用 grant 时隐式地创建用户，必须先创建用户，再授权。代码如下：

mysql> create user 'mysql.infoschema'@'%' identified by '123456';
Query OK, 0 rows affected (0.01 sec)mysql> grant all privileges on *.* to 'mysql.infoschema'@'%';
Query OK, 0 rows affected (0.01 sec)mysql> flush privileges;
Query OK, 0 rows affected (0.01 sec)mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| sys                |
| test               |
| workSpace          |
+--------------------+
6 rows in set (0.01 sec)

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ERROR 1449 (HY000)

ERROR 1449 (HY000)

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