polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Add `strategy='median'` to `fill_null`
- Add support for non-AWS S3 provider: Lakefs
- Add support to read and write Amazon ION files
- Reordering columns using ellipsis
- Replacing empty string does not work as expected
- 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)
- Docs
- Rust not yet supported