private function haveTranslation($id)
{
$sql = <<<SQL
SELECT journal_announcement_translations.id FROM journal_announcement_translations WHERE translatable_id = ?
SQL;
$rsm = new ResultSetMapping();
$rsm->addScalarResult('id', 'id');
$query = $this->em->createNativeQuery($sql, $rsm);
$query->setParameter(1, $id);
return $query->getResult();
}