Comment 1 for bug 1449440

This is really easy to confirm:

[openxs@centos ~]$ mysql -uroot test
Reading table information for completion of table and column names
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Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> show variables like 'userstat';
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| userstat | OFF |
+---------------+-------+
1 row in set (0.00 sec)

mysql> set global userstat=ON;
Query OK, 0 rows affected (0.00 sec)

mysql> show variables like 'userstat';
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| userstat | ON |
+---------------+-------+
1 row in set (0.00 sec)

mysql> create table tu(id int primary key);
Query OK, 0 rows affected (0.23 sec)

mysql> insert into tu values(1),(2),(3);
Query OK, 3 rows affected (0.06 sec)
Records: 3 Duplicates: 0 Warnings: 0

mysql> select * from information_schema.table_statistics\G
*************************** 1. row ***************************
          TABLE_SCHEMA: test
            TABLE_NAME: tu
             ROWS_READ: 0
          ROWS_CHANGED: 3
ROWS_CHANGED_X_INDEXES: 3
1 row in set (0.00 sec)

mysql> drop table tu;
Query OK, 0 rows affected (0.05 sec)

mysql> select * from information_schema.table_statistics\G
*************************** 1. row ***************************
          TABLE_SCHEMA: test
            TABLE_NAME: tu
             ROWS_READ: 0
          ROWS_CHANGED: 3
ROWS_CHANGED_X_INDEXES: 3
1 row in set (0.00 sec)