gistfile1.txt

1 row in set
>> user == User.last
=> true
>> user.persisted?
=> true
>> user.valid?
=> true
>> user.registration_details
+---------+----------+----------------+--------------+----------+----------------+-------------+-------------------------+
| user_id | referrer | pageview_count | source       | platform | authentication | ip_address  | created_at              |
+---------+----------+----------------+--------------+----------+----------------+-------------+-------------------------+
| 465     |          |                | password.api |          |                | 200.1.1.100 | 2013-10-04 01:01:31 UTC |
+---------+----------+----------------+--------------+----------+----------------+-------------+-------------------------+
1 row in set
>> user.registration_details.valid?
=> true
>> user.registration_details.persisted?
=> true
>> User.last.registration_details
=> nil

haha