polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- `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
- Parquet predicate pushdown not working for Struct columns
- #[cfg(feature = "async")] features (collect_batches) completely missing in 0.52.0 crate
- scan_delta file skip predicate not working for bool dtype
- Inconsistent output for pl.List.head/.filter with nulls
- Docs
- Rust not yet supported