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): allow Expr arguments in DataFrame.unpivot
- More efficient hash/equality scheme for CSPE
- Series.list.to_struct(): support specifying field dtypes alongside field names
- Memory Bloat When Performing merge_sorted on the results of join_asof
- `bytearray` scalars are not broadcast as Binary in DataFrame constructor
- fix(python): Broadcast `bytearray` scalars in DataFrame constructor
- fix(rust): Reject non-numeric input in hist before processing bins (closes #27155)
- fix(rust): Reject temporal RHS in true division to match runtime behavior
- docs: add missing API behavior notes
- add union_by_name in pl.read_excel
- Docs
- Rust not yet supported