Doctrine distinct createQueryBuilder - doctrine-orm

Question

I am trying to select MAX scores objects for unique user(s).
So user should be distinct and i should receive max score for a user (order), and I need to get other object values like dataAdded for this max score.
$query = $this->createQueryBuilder('s');
$query->select('DISTINCT s.user, s');
$query->where('s.challenge = :challenge')->setParameter('challenge', $challenge);
$query->andWhere('s.date_added BETWEEN :monday AND :sunday')
->setParameter('monday', $startDate->format('Y-m-d'))
->setParameter('sunday', $endDate->format('Y-m-d'));
$query->orderBy('s.score', 'DESC');
//$query->groupBy('s.user');
$query->setMaxResults($limit);
$results = $query->getQuery();
Does not matter how I try i can't make distinct to work. I have tried group by MAX(s.score) but this will associate random object with max score rather then the same object..
Does anyone have a solution to this? Distinct simply don't seem to work...
Generated query:
SELECT DISTINCT s.user, s FROM Digital\ApplicationBundle\Entity\ChallengeScore s WHERE s.challenge = :challenge AND (s.date_added BETWEEN :monday AND :sunday) ORDER BY s.score DESC
But an error ;(
[Semantical Error] line 0, col 18 near 'user, s FROM': Error: Invalid PathExpression. Must be a StateFieldPathExpression
Its worth to mention that user is a relation. When i try this on other files this works fine...

Answer 1

If you need get count distinct values, you can use countDistinct. But if you must get all distinct values, use groupBy