polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- fix(python): Make Series equality with ndarray work
- feat: support SQL commands for dates: MONTHS_BETWEEN, YEAR, MONTH
- Rolling aggregation followed by with_columns sometimes fails for streaming engine when some/all windows have no rows
- feat(python): Support expressions in DataFrame.partition_by
- fix(python): Recognize pd.Timestamp values in Series constructor
- refactor(rust): Add `accumulate_schema_dataframes` functions
- feat(rust): Add `arr.gather_every` method
- 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`
- Docs
- Rust not yet supported