polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Feature idea: read_excel support for password-protected (encrypted) workbooks
- fix(rust): Correct schema for list.set_operation with mismatched element dtypes
- SQL: ORDER BY on an ungrouped QUANTILE_CONT or QUANTILE_DISC aggregate returns one row per input row instead of a single row.
- `Map` dtype followups
- Support large `Map`s in Parquet/Arrow
- GPU support for `Map`
- Perf: consolidate head/footer HTTP requests on Parquet, IPC
- Schema mismatch on `list.set_union()`
- feat: Replace chrono with jiff for temporal handling
- Custom `pyarrow_options` in `write_parquet` are overwritten by default function args
- Docs
- Rust not yet supported