@SuppressWarnings("resource")
@Test(expected = SQLException.class)
public void unsetArgument() throws SQLException {

  String sql = "SELECT status, temperature FROM root.ln.wf01.wt01 WHERE temperature < 24 and time > ?";
  IoTDBPreparedStatement ps = new IoTDBPreparedStatement(connection, client, sessionId, sql,
      zoneId);
  ps.execute();
}