polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- feat(python): improve large Enum reprs
- Print abbreviated version of Categoricals/Enums with lots of categories
- Discuss: LazyFrame.plot?
- Reading CSV using scan_csv with streaming=True causing OOM
- return integer indicators of the bins in `qcut`
- Inconsistent handling of negative values in Expr.list.head
- `pl.DataFrame` fails to parse `tuple` correctly when `len(tuple)==len(tuple[0])` after specifying `schema`.
- Allow read_csv to set a single dtype for all columns, or all but certain columns
- Implement str.is_ functions
- Add Expr/str/list indexing, e.g. pl.col.a[start:end], .str[0], .list[:3]
- Docs
- Rust not yet supported