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 new option in rows_by_key to return scalar values
- Polars should support conversion from frequency intervals (given in string format) to duration
- `scan_delta` from S3 returns 400 Bad Request when using Polars 1.14.0, works fine in 1.13.0.
- Add support for attributes with different dtypes in `DataFrame.pivot`
- OOM issue when running `drop_nulls()` on aggregated results.
- Allow `pl.Duration` in `write_csv`
- Polars can't read Arrow Run-End Encoded arrays
- Should add that pl.expr.sum() replaces None with 0
- Improved DB Type Inference
- refactor(python): Split file of lazyframe methods
- Docs
- Rust not yet supported