polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Polars scan_parquet only infers schema from first file
- Add `exact: bool` parameter to `sample`, and default to approximate sampling
- add a iter_samples function
- feat: Allow customizing explain output for debugging custom io sources
- KeyboardInterrupt re-raised in except block when query is cancelled
- Performance drastically worsened between 1.31.x and 1.32.2 for specific combination of filter() and over() and with datetimes.
- Add testing variant of `assert_frame_equal` that checks both `collect` and `collect_schema`
- feat: Add `is_sorted` method for `DataFrame`
- Feature Request: `read_database` and `write_database` functions for database interaction in Rust
- Join key expressions are overly restrictive
- Docs
- Rust not yet supported