polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Casting from integer to Categorical can be dangerous
- write_parquet and sink_parquet delete existing file if locked
- Add `Expr.is_sorted`
- Vortex support
- depr: Rename aggregate_function to agg_function
- Nix flake appears broken
- Apply a UDF on object columns with an expression
- `scan_parquet` fails on local directories when using `file://` scheme without trailing slash
- fix(python): Support `Expr` objects in `replace` sequence arguments
- perf: Pushdown `filter(False)` to pyiceberg
- Docs
- Rust not yet supported