Comment 2 for bug 1484613

Verified with 5.5 .

nilnandan.joshi@bm-support01:~$ mysql -uroot -p --socket=/tmp/mysql_sandbox5544.sock
Warning: Using unique option prefix pass instead of password is deprecated and will be removed in a future release. Please use the full name instead.
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 3
Server version: 5.5.44-37.3 Percona Server (GPL), Release 37.3, Revision 729fbe2

Copyright (c) 2009-2015 Percona LLC and/or its affiliates
Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> select @@global.log_slow_verbosity;
+-----------------------------+
| @@global.log_slow_verbosity |
+-----------------------------+
| |
+-----------------------------+
1 row in set (0.00 sec)

mysql> SET global log_slow_verbosity=standard;
Query OK, 0 rows affected (0.00 sec)

mysql> select @@global.log_slow_verbosity;
+-----------------------------+
| @@global.log_slow_verbosity |
+-----------------------------+
| microtime,query_plan |
+-----------------------------+
1 row in set (0.00 sec)

mysql> quit