Function _df_column_uniquify

sdk/python/feast/infra/offline_stores/dask.py:1250–1264

(df: dd.DataFrame)

def _df_column_uniquify(df: dd.DataFrame) -> Tuple[dd.DataFrame, List[str]]:
    df_columns = df.columns
    new_columns = []
    duplicate_cols = []
    for item in df_columns:
        counter = 0
        newitem = item
        while newitem in new_columns:
            counter += 1
            newitem = "{}_{}".format(item, counter)
            if counter > 0:
                duplicate_cols.append(newitem)
        new_columns.append(newitem)
    df.columns = new_columns
    return df, duplicate_cols