polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- `strict` parameter ignored during Series construction with Struct dtypes
- Bigquery BIGNUMERIC fails to convert from arrow to polars df
- pivot's `on_columns` silently discards single string input
- Inconsistent behaviour in `Expr.cat.get_categories` and `Series.cat.get_categories`
- Add support for grouped min/max(_by) for Categoricals in the in-memory engine
- Support compiling in lazy/streaming mode without cloud support
- Reproducible random number generator
- Polars reads Excel numbers with truncated precision even when casting to String/Utf8
- Build of the Python modul fails: error: `max_horizontal` is ambiguous
- maturin fails to build Rust binaries: error: the manifest-path must be a path to a Cargo.toml file
- Docs
- Rust not yet supported