polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Return defaultdict defaulting to cleared dataframe after partition_by when as_dict=True
- Create support for unit root, correlation tests, cointegration tests and other statistical tools on dataframes
- Streaming engine: multiplying a `Boolean` column gives an `Unknown` type, leading to an error when `unique()` is used
- PanicException on `map_elements` with `return_dtype=pl.Object` inside `concat_list`
- api: deprecate `Expr.cat.get_categories()` in favour of `pl.get_categories`?
- Panic on sorting object dtype coming from schema
- `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?
- Docs
- Rust not yet supported