Hi, Have a look at this
https://elferherrera.github.io/arrow_guide/reading_parquet.html It may give you and idea of the things you want to do On Fri, Feb 5, 2021 at 8:29 PM Manoj Karthick <[email protected]> wrote: > Hi, > > I've been playing around with the Rust Parquet library and was trying to > understand how to combine Parquet files. I'm new to Rust and the Arrow > ecosystem, so I'd appreciate some help in figuring this out. > > I'm looking for a way to naively merge Parquet files. For example, if we > have input files: A, B, C - I would like to create an output Parquet file > that has the row groups from A, B and C placed one after the other (I > understand this might be inefficient, but this mostly for development > purposes). > > What would be the best way to achieve this? Also how should the > FileMetaData be updated to reflect the new row groups and number of rows? > > Thank you! >
