polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Data handled incorrectly when schema is oversized
- Add `subset` parameter to `fill_null` for DataFrame/LazyFrame
- Deprecate `bins` parameter in `hist` in favor of `edges` or `bin_edges`
- Force shuffled output of `maintain_order = False` during testing
- deprecate string cast to temporal
- Directly initialise `pl.Categorical` or `pl.Enum` series using codes
- Re-write/eliminate filters to be applied before a type-cast
- Escape_char for read_csv - any new thoughts?
- enh: auto-infer ISO week dates in `to_date`
- Expression for percent en/decoding
- Docs
- Rust not yet supported