mysql - Performing a Groupwise Maximum in Laravel 4

Question

What's the best way to perform a groupwise maximum using Laravel's Eloquent ORM such that it returns instances of models?

Answer 1

このstackoverflowの回答に基づいて、次のものを作成できました。

    $query = MyModel
        ::from(DB::raw(
            'my_models NATURAL JOIN (
                SELECT   user_id, MAX(created_at) created_at
                FROM     my_models
                GROUP BY user_id
            ) t'
        ))
    ;