@staticmethod
def get_meta_header(feature_name_list):
    create_features = ''
    feature_list = []
    feature_size = 'varchar(255)'
    for feature_name in feature_name_list:
        create_features += '{} {},'.format(feature_name, feature_size)
        feature_list.append(feature_name)
    return (create_features, feature_list)
@staticmethod
def get_meta_header(feature_name_list):
    create_features = 
    feature_list = []
    feature_size = 'varchar(255)'
    for feature_name in feature_name_list:
        create_features += '{} {},'.format(feature_name, feature_size)
        feature_list.append(feature_name)
    return (create_features, feature_list)