polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- fix(io): clear scratch buffer in scientific decimal_comma float CSV serializer (#29641)
- Performance regression in 2.0.0
- feat(rust): Implement `TryFrom<&Path>` and `TryFrom<PathBuf>` for `PlRefPath`
- Panic in scan_parquet when filtering on a struct field if the struct contains a Datetime/Date field
- feat: Add split state and merge reductions with typed intermediate states
- Improve IO pipeline for Parquet/IPC on S3
- perf: Increase prefetch window for ordered Parquet and IPC scans
- wrap_numerical=True saturates floats at the dtype maximum
- write_database writes in wrong columns when dataframe columns have different creation order
- `diff(n, null_behavior="drop")` panics when the input is shorter than `n`
- Docs
- Rust not yet supported