polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- pl.DataFrame(...).write_csv(StringIO()) broken
- Support additional join types with join_where
- Wrong pl.when matching
- `Series.hist` 'category' should probably be `Struct` instead of `Category`?
- Support lazy schema retrieval in IO Plugins
- Altair incompatibility
- panic when executing sql expression with IN operator in debug mode
- Not able to filter on JOIN level for SQL interface
- `pl.concat` PanicException instead of ShapeError with LazyFrame
- Consistency between default interpolation for `median` and `quantile`
- Docs
- Rust not yet supported