polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- typo in `match_to_schema` error message for missing column.
- `pass_name` argument of `map_elements` is ignored when element is scalar
- docs: Document denying anonymous sinks for users
- refactor(rust): Refactor `coalesce_columns` and add `coalesce_binary_columns`
- fix: Handle sliced list arrays correctly in Avro writer
- fix(python): Clean formatting of missing columns in `match_to_schema` error message
- `fill_null(value)` should trigger error if `value` is of incompatible dtype
- infer `use_fabric_endpoint` based on URI containing "dfs.fabric.microsoft.com"
- Too narrow error trapping for `sort`
- The order of the categories after `pl.Expr.cut` and `pl.Expr.qcut` does not match the order of the labels
- Docs
- Rust not yet supported