Symfony 2: LIMIT doctrine LEFT JOIN

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PHP

Doctrine

Symfony

have a question about left join in doctrine in Symfony 2.7.

Example code:

public function test($id, $offset, $limit)
{
    $build = $this->createQueryBuilder('building');
    $build
        ->addSelect('users', 'numbers')
        ->join('building.users', 'users')
        // limit the numbers for 1 result!
        ->leftJoin('building.numbers', 'numbers') // only select 1 result instead of more.
        ->where('building.id = :id')
        ->setParameter('id', $id);

    $paginator = new Paginator($build->getQuery(), $fetchJoinCollection = true);
    $result = $paginator->getQuery()
        ->setFirstResult($offset)
        ->setMaxResults($limit)
        ->getResult();

    return $result;
}

My question now is how could we implement that the ->leftJoin('building.numbers', 'numbers') only return MAX 1 result.

Thanks!

Doctrine orm: 2.2.3, Symfony version: 2.7

What I have tried:

public function test($id, $offset, $limit)
{
    $build = $this->createQueryBuilder('building');
    $build
        ->addSelect('users', 'numbers')
        ->join('building.users', 'users')
        // limit the numbers for 1 result!
        ->leftJoin('building.numbers', 'numbers') // only select 1 result instead of more.
        ->where('building.id = :id')
        ->setParameter('id', $id);

    $paginator = new Paginator($build->getQuery(), $fetchJoinCollection = true);
    $result = $paginator->getQuery()
        ->setFirstResult($offset)
        ->setMaxResults($limit)
        ->getResult();

    return $result;
}