polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Arithmetic operations insert cast to unknown
- `pl.any()`/`pl.all()` requires boolean input, but `pl.any_horizontal()`/`pl.all_horizontal()` casts to boolean
- fix: Correct over(nulls_last) with multiple order_by columns
- docs: Unpivot pivot feature flag
- docs: Clarify when-then-otherwise filtering
- docs: Document merge_sorted null ordering
- with_row_index at the very beginning of a LazyFrame raises ColumnNotFound panic
- fix(rust): Fixed inconsistency of type coercion on struct arithmetic (#23797)
- PartitionBy in lazy streaming occasionally overwrites string data with null bytes
- Add native support for reading/writing alternative text and academic formats (BibTeX, Markdown, TXT)
- Docs
- Rust not yet supported