// $em is empty, all repositories are empty, data is inside DB


$entity = $em->find('Foo\Bar', 1); // Plays a query, that's OK

$q       = $em->createQuery('SELECT b FROM Foo\Bar b WHERE b.id=?1');
$q->setParameter(1, 1);
$result = $q->getSingleResult();  // still plays the same query, why ?