polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Free RAM not released to OS after heavy dataframe operations
- fix: Support string literals in search_sorted() of Categoricals
- feat: Add `num_samples` parameter to `date_range` and `datetime_range`
- feat: Add `list.pad_start()`
- fix: Ensure time unit upcast for temporal `is_in`
- fix: Support nested dtypes from Python in search_sorted()
- `pl.element().replace_strict()` fails for `pl.List(pl.Int128)`
- (rust/ python) Support Bytes/ in-memory buffer input in LazyFrame API with streaming engine
- Panic using `to_torch`
- `read_csv` does not correctly infer UInt64 types when values bigger than maximum Int64 are provided
- Docs
- Rust not yet supported