polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- feat: Implement `round` and `truncate` for Duration columns
- Add "row context" (`pl.row`) for horizontal operations (`horizontal` namespace?)
- `.unnest_all()`
- Support of vertical fold and scan
- Bitshifting for numerical expressions
- Add `strategy='median'` to `fill_null`
- Improve and expand Expr.rolling()
- Challenges with scan_parquet and S3 files
- Implement streaming for scan_pyarrow_dataset
- Inconsistent / wrong result on big enough data
- Docs
- Rust not yet supported