polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Chunk-aware morsel splitting on IO sinks
- Collecting a lazy query with `engine="streaming"` fails when using an `update` and semi join
- fix: Correct Arrow FFI export of sliced struct arrays with nulls
- test(python): Add free-threaded smoke coverage
- perf: Prevent empty chunks from triggering copy in rechunk
- feat: Add suggestions in wrong api usage or mismatched column names
- CSE sporadically ignores IEJoin
- Soundness: unchecked integer overflow in polars-arrow allows UB in safe Rust code
- Incompatible types in latest polars-plan and polars-core crate
- chore: Patch jemalloc-sys for Makefile bug
- Docs
- Rust not yet supported