polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Improve and expand Expr.rolling()
- Challenges with scan_parquet and S3 files
- Redesign `cut` and `qcut`
- "Inefficient map_*" warnings (tracking issue)
- Sliding window for pl.Expr.over function
- feature: .rolling_slope()
- Split off list constructor logic from `pl.concat_list` into `pl.list`
- write_database is Significantly slower than .to_pandas().to_sql()
- Read CSV files created by R (header line is one column shorter)
- RFC: Additional SQL functions
- Docs
- Rust not yet supported