polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- feat: Expand expression for join plan
- `Struct` casts to primitive dtypes are incorrect
- Support "Nested Object Types" for When/Then
- Cannot subtract selector from expression
- Improperly constructed typed null column when using `pl.lit`
- Reading optional csv columns
- Documentation for is_in should specify what is done in case both expressions are List
- map_batches() passes return_dtype kwarg to the function being applied
- Support taking in `unversal_pathlib` types
- Improve to_pandas efficiency
- Docs
- Rust not yet supported