polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- chore(python): Covariant `classinstmethod` and attribute annotation
- Support the IEEE 754 total order column order in Parquet (PARQUET-2249)
- feat(rust): Support reading IEEE 754 total order Parquet column order
- fix(rust): Raise ComputeError instead of panicking in repeat_by when output exceeds IdxSize::MAX
- add a sync mode for LazyFrame.map_batches
- fix: Improve error for aliasing expanded aggregations
- write_database function throws access denied when append
- fix(rust): Implement deserializing u128 from parquet as written by polars.
- Optimization: use IEEE-754 total order `nan_count` to enable float `>=` row-group skipping
- Delta Lake schema collection for Array dtypes breaks
- Docs
- Rust not yet supported