Convert Parquet to CSV

Question

How to convert Parquet to CSV from a local file system (e.g. python, some library etc.) but WITHOUT Spark? (trying to find as simple and minimalistic solution as possible becaus

Answer 1

You can do this by using the Python packages pandas and pyarrow (pyarrow is an optional dependency of pandas that you need for this feature).

import pandas as pd
df = pd.read_parquet('filename.parquet')
df.to_csv('filename.csv')

When you need to make modifications to the contents in the file, you can standard pandas operations on df.