'Get the next query set'

def _nextset(self, unbuffered=False):

    conn = self._get_db()
    current_result = self._result
    if unbuffered:
        self._show_warnings()
    if ((current_result is None) or (current_result is not conn._result)):
        return None
    if (not current_result.has_next):
        return None
    conn.next_result(unbuffered=unbuffered)
    self._do_get_result()
    return True
