polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
Triage Issues!
When you volunteer to triage issues, you'll receive an email each day with a link to an open issue that needs help in this project. You'll also receive instructions on how to triage issues.
Triage Docs!
Receive a documented method or class from your favorite GitHub repos in your inbox every day. If you're really pro, receive undocumented methods or classes and supercharge your commit history.
Rust not yet supported14 Subscribers
Add a CodeTriage badge to polars
Help out
- Issues
- assert_frame_equal's error is too verbose
- Parquet writer statistics for categorical/enum values have overall min/max instead of row_group min/max
- Parquet scanner doesn't do predicate pushdown for categoricals/enums
- from_dicts without strict=false can result in silent data loss with ragged data
- Support comparison operations for `list` types
- Implement min-max predicate pushdown optimisation through joins (from DuckDB)
- Move the option to overwrite field names to be responsibility of the `new_columns` parameter
- GPU accelerated Polars taking 4 times longer to SUM a column in 100m record CSV than regular CPU. Running in Jupyter Notebook
- Row Group Based Subtotals with .group_by()
- Parse large floats in CSVs that have periods as the thousands separator
- Docs
- Rust not yet supported