polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- feat: Add `list` expression which consistently packs elements together into new List type
- Consider renaming `.with_columns()` to a more consistent, verb-based alternative
- ShapeError during lazy evaluation of coalesce when DataFrame is read from a csv without trailing newline
- LazyFrame retains dropped embedded-Series literals in its plan — no way to shed them without materializing
- .update is 3 years old - should it be consider stable?
- sink_parquet rarely deadlocks — all polars-async executor threads parked while main thread awaits in run_subgraph
- fix(python): Reflected Series arithmetic computes other op self (#27752)
- perf: Optimize elementwise expressions in as-of joins
- Upload cp314t and eventually abi3.abi3t wheels
- feat(rust): Add field name as error context for json decode methods
- Docs
- Rust not yet supported