polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- api: deprecate `Expr.cat.get_categories()` in favour of `pl.get_categories`?
- `agg_groups()` incorrect with `group_by_dynamic` and `group_by` keys
- `polars.testing` should be available from the top level
- Expose `assert_frame/series_equal` at the top level
- What is the purpose of the `<DataTypeExpr>.wrap_in_*()` methods?
- numpy ufunc with literal input causes thread panic
- Replace Kahan summation with Neumaier
- Decimal type is changed on arithmetic operations
- `from_arrow` PanicException for struct with duplicate fields
- `""` in the csv input brings different results when using the GPU Engine
- Docs
- Rust not yet supported