polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- refactor: Re-work `shuffle` parameter for `sample()`
- fix: Check for continuity across morsels in AsOf join node
- Unnecessary multiplexing causes OOM with in-memory sources.
- fix(rust): Fix skip_batches not handling negation of bool dtype with None values
- refactor(rust): Reuse allocations in IR / AExpr deep copying
- fix: Prevent panic in `replace` when `old`/`new` contain Expr or object dtype values
- refactor(rust): Add AExpr input node iterators
- perf: Use monotonic deque for rolling min_by/max_by (O(n))
- Nondeterministic column projection through CSE `CACHE` nodes
- fix: Avoid removing cache when predicate pushdown is not feasible
- Docs
- Rust not yet supported