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 @deprecated work regardless of decorator stacking order
- Allow expr.starts_with() to accept multiple strings
- feat: Add `pl.Expr.unique_id`
- Contains_any cannot run on multiple columns
- Expr.meta.serialize(format='json') does not distinguish float('nan') from float('inf')
- PartitionBy with custom file provider overwrites files if provided paths not unique
- fix(python): ADBC driver compatibility at `write_database()`
- feat: Allow custom formats for Extension types through trait
- sink_delta out of memory while sink_parquet works fine
- feat: Add `cum_mean` Expression and Series method
- Docs
- Rust not yet supported