polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Introspection of pl.Expr for column names
- Delta Support for filtering with delta.generationExpression partitions
- Expose row_format as an expression.
- Missing a feature message for `to_ndarray` method.
- Median, Quantiles for ListNameSpace
- Support for Map DataType
- join_asof on struct column
- Default data type for read_csv
- to_pandas converts polars Int64 to float64 instead of pandas Int64 when there are nulls
- Default datatype for mixed columns
- Docs
- Rust not yet supported