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 memory information to profiling
- Enums/StrEnums type information is lost when constructing dataframe from iterables
- Polars 2.0 release roadmap
- Streaming filter inside group_by
- `pl.Series` comparison to `np.ndarray` does not work
- Allow passing Callable[[str], bool] to sheet_name parameter of polars.read_excel
- `pl.col("nan").eq(pl.col("nan")` behavior inconsistent between CPU and GPU engine
- Support AWS S3 Tables (SigV4) in write_iceberg
- Pivot operations not partitionable causing performance regression
- Finalize partitions in sinks earlier when receiving sorted data
- Docs
- Rust not yet supported