polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- ObjectChunked of length 1 causes panic when dataframe is printed
- fix(python): Fix sorting by \row_index in streaming sinks
- .over() fails with multiple ordering columns and descending values
- fix(python)!: Single indexing on List/Array columns returns Python list instead of Series
- fix: Resolve multiple files deadlock in CSV async reader
- perf: Remove unused expression sorts
- Add a "flatten_merge_sorted" optimization rule that flattens any set of `merge_sorted` nodes in the planning cycle
- WrapExtension IR Node for `.ext.to(pl.dtype_of(...))`
- Enable mimalloc v3 feature for Windows Python builds
- `over` panic with `order_by=[]`
- Docs
- Rust not yet supported