polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Dataframes that have both strings and categories cannot be serialized and deserialized from disk.
- LazyFrame.map_batches() ordering guarantees
- Add example showing how to unpivot multiple columns
- feat: Enable parse of `0`/`1` as bool in csv
- docs: Add example of unpivoting multiple sets of columns (#18513)
- Inconsistent API of join_asof
- Cast categorical and enum data types directly to signed integers
- scan_csv should be able to read "0" and "1" into a boolean type
- Extract Underlying Coding from a Categorical or Enum Datatype
- Unable to access the partitioning_flavor option when using write_parquet
- Docs
- Rust not yet supported