polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Expr.meta.serialize(format='json') does not distinguish float('nan') from float('inf')
- PartitionBy with custom file provider overwrites files if provided paths not unique
- fix(python): ADBC driver compatibility at `write_database()`
- feat: Allow custom formats for Extension types through trait
- sink_delta out of memory while sink_parquet works fine
- feat: Add `cum_mean` Expression and Series method
- Issue running tests locally
- Python's Type-hinting for the future of Polars - "Bad first issue", but I'd love anyway
- Add `pl.collection_agg` for efficient multi-list operations
- docs: Doc inconsistency: Text claims an Exception will be raised, but the code example shows a Boolean Series
- Docs
- Rust not yet supported