DATETIME с микросекундами в MySQL 5.6 / MariaDB 10

mysql> use test;
Database changed
mysql> create table t1 (dt datetime);
Query OK, 0 rows affected (0.03 sec)

mysql> insert into t1 value (now());
Query OK, 1 row affected (0.01 sec)

mysql> select * from t1;
+---------------------+
| dt                  |
+---------------------+
| 2014-02-11 19:11:31 |
+---------------------+
1 row in set (0.00 sec)

mysql> create table t2 (dt datetime(6));
Query OK, 0 rows affected (0.03 sec)

mysql> insert into t2 value (now());
Query OK, 1 row affected (0.00 sec)

mysql> select * from t2;
+----------------------------+
| dt                         |
+----------------------------+
| 2014-02-11 19:12:03.000000 |
+----------------------------+
1 row in set (0.00 sec)

mysql>