polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- CSE memory usage regression in 0.19.*
- Improve and expand Expr.rolling()
- Scan hive partitioned folder is slow compared to flat folder
- Getting date scalars throws when date is outside range supported by `datetime.date`
- `rolling`: add grouping by rows (no index)
- Challenges with scan_parquet and S3 files
- Add more warnings for order-sensitive operations after a non-order preserving operation
- How about changing the type hint in `BasicCursor.execute` to use `Callable`?
- `melt` to Categorical variable
- `.str.extract_all_groups()` for working with non-capturing regex groups
- Docs
- Rust not yet supported