[Bug] select user() stmt does return the IP which user connected in

[morningman]

Describe the bug

mysql> select user();
+----------+
| USER()   |
+----------+
| 'root'@% |
+----------+

Expected:

mysql> select user();
+-----------------------+
| USER()                |
+-----------------------+
| 'root'@'192.1.68.10.11' |
+-----------------------+