public function listSequences($database = null)
    {
        if ($database === null) {
            $database = $this->_conn->getDatabase();
        }
        $sql = $this->_platform->getListSequencesSQL($database);

        $sequences = $this->_conn->fetchAll($sql);

        return $this->filterAssetNames($this->_getPortableSequencesList($sequences));
    }