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 native support for reading/writing alternative text and academic formats (BibTeX, Markdown, TXT)
- Expose Object metadata in `Scan` nodes
- perf(rust): Streaming row-group pruning with Parquet bloom filters
- fix: Modify docstrings to be consistent with class
- Incorrect results for `over(nulls_last=True)` on multiple `order_by`
- Polars does not close SQLAlchemy connection after `pl.read_database(iter_batches=True)`
- feat: Add `descending` and `nulls_last` options to `merge_sorted` for both in memory and streaming engine
- `register_dataframe_namespace` should provide a typing hook for type checkers
- Add example to write_iceberg
- Consider replacing polars delta scanner with `polars-deltalake` plugin
- Docs
- Rust not yet supported