polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Appending series of type pl.Categorical("lexical") may incorrectly set the sorted flag
- Tracking issue for improvements to `polars-row`
- Enable floordiv on durations: duration // duration
- feat: Series.index_of()
- Use pre-optimized query plan by benchmark LazyFrame for the evaluation of another LazyFrame
- Regression: Incorrect categorical encoding after sort
- Failing inner join with join_nulls=False on some hardware
- perf: Add fast paths for series.arg_sort and dataframe.sort
- `pl.concat()` output with Expr input is wrong when using the new streaming engine
- Document copy-on-write logic
- Docs
- Rust not yet supported