Ruby on Rails

Hello

I have a one-to-many relation between two tables, 'users' and 'posts',
where User has_many :posts and Post belongs_to :user. I have a query
which returns every user on the table, along with the content of their
latest post, if any, as follows:

@users = User.find_by_sql <<-EOQ
SELECT
u.name, p1.content
FROM
users u
LEFT JOIN posts p1 ON (u.id = p1.user_id)
LEFT OUTER JOIN posts p2 ON
(u.id = p2.user_id AND
(p1.created_at < p2.created_at OR
p1.created_at = p2.created_at AND p1.id < p2.id))
WHERE p2.id IS NULL
EOQ

Is there a way to make this more idiomatic by using Active Record's
query interface? I'm using Rails 3.

Thanks,
Andre

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