public function deleteGroupAssignment($groupId, $typeId, $status)
{
$q = $this->dbHandler->createDeleteQuery();
$q->deleteFrom($this->dbHandler->quoteTable('ezcontentclass_classgroup'))->where($q->expr->lAnd($q->expr->eq($this->dbHandler->quoteColumn('contentclass_id'), $q->bindValue($typeId, null, \PDO::PARAM_INT)), $q->expr->eq($this->dbHandler->quoteColumn('contentclass_version'), $q->bindValue($status, null, \PDO::PARAM_INT)), $q->expr->eq($this->dbHandler->quoteColumn('group_id'), $q->bindValue($groupId, null, \PDO::PARAM_INT))));
$q->prepare()->execute();
}