Doctrine\DBAL\Platforms\SQLServerPlatform::appendLockHint PHP Метод

    public function appendLockHint($fromClause, $lockMode)
    {
        switch (true) {
            case LockMode::NONE === $lockMode:
                return $fromClause . ' WITH (NOLOCK)';
            case LockMode::PESSIMISTIC_READ === $lockMode:
                return $fromClause . ' WITH (HOLDLOCK, ROWLOCK)';
            case LockMode::PESSIMISTIC_WRITE === $lockMode:
                return $fromClause . ' WITH (UPDLOCK, ROWLOCK)';
            default:
                return $fromClause;
        }
    }