polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- [bug/docs]: Leaf-`Selector` expansion
- RFC: add ability to reuse a LazyFrame's computation graph
- Add `cat.eval()`
- docs: Explain differences between `list.eval` and `list.agg`
- `.list.eval(pl.element().sort_by(pl.element().struct.field(...)))` fails for empty lists
- `DuckLake` support in polars
- fix: Allow dtype cast for UDF
- fix: Improve error message for temporal vs non-temporal comparison
- init dataframe with all columns as string data type
- RFC: `pl.Categories` and Streaming Compatible Categoricals
- Docs
- Rust not yet supported