mysql> describe openstack_notification_event;
+---------------------+----------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+---------------------+----------------+------+-----+---------+-------+
| event_action | varbinary(10) | YES | MUL | NULL | |
| event_actor_id | int(10) | YES | | NULL | |
| event_instance_host | varbinary(255) | YES | | NULL | |
| event_instance_name | varbinary(255) | YES | | NULL | |
| event_project | varbinary(255) | YES | | NULL | |
+---------------------+----------------+------+-----+---------+-------+