polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- scan_delta & read_delta fails when path contains space
- Varying quantile by group is broken
- Improve `df.corr`: remove numpy; add method='spearman'; add labels; make consistent with `pl.corr`
- Tracking issue for the new streaming engine
- Support `lit` Expression with `replace/_strict`
- Allow for schema evolution in scan_parquet/_csv/...
- Parsing M.YYYY dates (without leading zero) raises instead of parsing
- Join on enums fails to match when sinking to parquet
- Add the ability to preserve_order in `join_where`
- expanding plotting backends.
- Docs
- Rust not yet supported