def METHOD_NAME(res):
    """
    The first value in list is the label column, it's dummy.
    Real-time feature has it, cuz the history data in OpenMLDB is the training data too.
    It'll have this column, but no effect to feature extraction.
    :param res: an OpenMLDB reqeust response
    :return: real feature
    """
    # col label is dummy, so start from 1
    return np.array([res[1:]])