[Mediawiki-l] wfQuery() fails

[Len Yabloko]

mysql> select * from mysql.user;
+-----------+------+------------------+
| Host      | User | Password         |
+-----------+------+------------------+
| localhost | root |                  |
| build     | root |                  |
| localhost |      | 35f518ef0e66b41f |
| build     |      |                  |
+-----------+------+------------------+
4 rows in set (0.08 sec)

I am using empty (default) user with non-empty password.
Is this OK?
Leonid Yabloko
Next Generation Software
www.ontospace.net