Chris Webb taps into the source:
There’s a new M function in Power Query in Power BI that allows you to read the data from a Parquet file: Parquet.Metadata. It’s not documented yet and it’s currently marked as “intended for internal use only” but I’ve been told I can blog about it. Here’s an example of how to use it:
Click through to see what you can get in a Parquet file. This is part of the secret of why the Parquet file format is so fast.