polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Add DataFrame level metadata
- rolling method returns different results in Polars and Pandas
- Filter duration by string intervals
- Add ability to specify static column names to DataFrame.pivot
- read_sql: Postgres type "Interval"
- Implement `.str.to_casefold` to allow case insensitive comparison between strings.
- Read CSV files created by R (header line is one column shorter)
- Expanding upon and improving existing benchmarks
- Support upserts in concat function
- Recognize integer timestamps when `dtypes=pl.Datetime` is passed to `read_csv`
- Docs
- Rust not yet supported