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laravel - Eloquent eager load Order by

I have problem with eloquent query. I am using eager loading (one to one Relationship) to get 'student' With the 'exam', Using the code below.

Student::with('exam')->orderBy('exam.result', 'DESC')->get()

And i want to order received rows by the 'result' column in 'exam'. I am using

->orderBy('exam.result', 'DESC')

But it is not working. Any ideas how to do it ?

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Try this:

Student::with(array('exam' => function($query) {
        $query->orderBy('result', 'DESC');
    }))
    ->get();

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