polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- feat(python): Support expressions in DataFrame.partition_by
- fix(python): Recognize pd.Timestamp values in Series constructor
- feat(rust): Rewrite arr.gather_every as dedicated array kernel
- cannot join when predicate contains `over`
- Add a way of making a dataframe readonly to prevent in-place mutations or create a view of it
- Time zone silently dropped when parsing datetime string with `%Z`
- Issue: rolling_mean returns NaN values for specific float64 column after upgrading to Polars 1.19.0+
- Supertyping of `TimeUnit` is lossy
- polars_python::sql::PySQLContext is unsendable, but is being dropped on another thread
- docs.rs fails to build polars-lazy since 0.47.0
- Docs
- Rust not yet supported