polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Raise error in str.replace and str.replace_all when referencing non-existent capture groups
- Cannot use very large/small Datetime values
- Scan Parquet .collect() on Azure Blobs fails when column in different order. ShapeError: unable to vstack, column names don't match
- Meta-issue: improving CSV reading and writing
- 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
- Docs
- Rust not yet supported