polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Re-work `shuffle` parameter for `sample()`
- polars.DataFrame.item returns a Series for list-valued cells
- feat(python): Use partitions in `read_delta()` and `scan_delta()`
- Add global setting for infer_schema_length
- refactor(rust): Replace `Either` with `SchemaProvider` for PythonScan DSL
- Non-deterministic behavior of `qcut` + `cast` in window expression
- Allow use of pyo3-object_store to specify object_store from python
- Can't compute quantile on generic rolling expression
- The edge behavior of `peak_{min,max}` is somewhat inconsistent
- fix: Series `is_sorted` can now determine sorted status of Struct data created with mixed "descending" or "nulls_last" values
- Docs
- Rust not yet supported