m_current = m_rs.load(m_ssn);
m_values = m_rs.load(m_ssn);
    public boolean next() {        if (m_rs == null) {            m_ssn.flush();            m_rs = m_ssn.getEngine().execute(m_query);        }        if (m_rs.next()) {            m_current = m_rs.load(m_ssn);            m_position++;            return true;        } else {            m_position = -1;            close();            return false;        }    }