public function delete($commentId)
    {
        $db = $this->getDb();
        $db->startTransaction();

        $deleteResult = $db->execute('DELETE FROM `oepaypal_orderpaymentcomments` WHERE `oepaypal_commentid` = ' . $db->quote($commentId));

        $result = ($deleteResult !== false);

        if ($result) {
            $db->commitTransaction();
        } else {
            $db->rollbackTransaction();
        }

        return $result;
    }