polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- DataFrame.map_rows mentions apply
- Inconsistent implicit type casting when using `max_horizontal` and `mean_horizontal`
- Calculating the mean of a Decimal column returns nulls
- Correctness issue: Having clause not honored in SQL statement
- Redundant cast inside expression changes result in 0.20.23
- fix: Finish adding `typed_lit` to help schema determination in SQL "extract" func
- It is not possible to concatenate arrays of different data types.
- docs(python): Add example for separator parameter in pivot
- `pl.from_pandas(df, include_index=True)` silently ignores index if it is named the same way as a column
- pl.Series(name, pandas_series, dtype) ignores dtype
- Docs
- Rust not yet supported