//Было
return $this->createQueryBuilder('test')
->orderBy('test.successAttempts+test.failedAttempts', 'DESC')
->setMaxResults(5)
->getQuery()
->getResult();
//Стало
return $this->_em->createQuery('
SELECT t FROM ' . Test::class . ' t
ORDER BY t.successAttempts+t.failedAttempts DESC
')
->setMaxResults(5)
->execute();
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