Ben Chuanlong Du's Blog

It is never too late to learn.

Polars Series in Rust

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Hands on the Polars Crate in Rust

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Tips and Traps

  1. Polars is a blazingly fast DataFrames library implemented in Rust using Apache Arrow as memory model. It supports multithreading and lazy computation.

  2. The Rust crate polars has many features . Be sure to include features which are required for your use cases. Below are some commonly useful features.

Hands on the Polars Library in Python

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Tips and Traps

  1. polars.DataFrame.unique and polars.Series.unique do not maintain the original order by default. To maintain the original order, pass the option maintain_order=True.

Polars

Polars is a blazingly fast DataFrames library implemented in Rust using Apache Arrow as memory model.

Read and Write Parquet Files in Rust

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

There are a few crates in Rust which can help read and write Parquet files, among which Polars is the best one. As a matter of fact, polars is a DataFrame …