starrocks 3.0赋权报错，提示：ERROR 1064 (HY000): No database selected，操作过程如下：
mysql> CREATE USER yzb IDENTIFIED BY 'yzb!123';
CREATE DATABASE IF NOT EXISTS zby;
Query OK, 0 rows affected (0.00 sec)
mysql> CREATE DATABASE IF NOT EXISTS zby;
Query OK, 0 rows affected (0.01 sec)
mysql> GRANT ALL ON zby to yzb;
ERROR 1064 (HY000): No database selected