/ • This is a web feed, also known as an Atom feed. Subscribe by copying the URL from the address bar into your newsreader. Visit About Feeds to learn more and get started. It's free. Visit website Recent posts Updated on $DATE light date arrow mathias kindberg - arrow Zola2025-10-06T00:00:00+00:00/tags/arrow/atom.xml DuckDB: Importing Polars dataframes the easy and hard way using Rust 2025-10-06T00:00:00+00:00 2025-10-06T00:00:00+00:00 mathiaskindberg /blog/polars-dataframe-to-duckdb-with-arrow/ Recently I have been working on a project where I did data manipulation through Polars Dataframes and then wanted to query the result with DuckDB for that OLAP goodness. I wanted to build on the Rust Arrow ecosystem. On the surface, Arrow looks like a nice ecosystem with good interoperability. Polars abstracts over Arrow. DuckDB advertises support for both Polars and Arrow. That turned out to be a mirage.