数据库show databases/show tables报错

报错内容：ERROR 1449 (HY000): The user specified as a definer ('mysql.infoschema'@'localhost') does not exist

解决方案：创建该用户，并授权

CREATE USER 'mysql.infoschema'@'%';
GRANT ALL PRIVILEGES ON *.* TO "mysql.infoschema"@"%";
FLUSH PRIVILEGES;