private void cleanData(int testNum) throws SQLException {
    try (Connection connection = EnvFactory.getEnv().getConnection(BaseEnv.TABLE_SQL_DIALECT);
        Statement statement = connection.createStatement()) {
      statement.execute("use test");
      String deleteAllTemplate = "DROP TABLE IF EXISTS vehicle%d";
      statement.execute(String.format(deleteAllTemplate, testNum));
    }
  }
Should delete this case after the deletion value filter feature be implemented
integration-test/src/test/java/org/apache/iotdb/relational/it/db/it/IoTDBDeletionTableIT.java