polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Fully support NumPy arrays in DataFrame and Series operators
- Error reading ods file with read_ods
- Feature to express the `row_group_size` as a string (eg. '250mb') in `write_parquet`
- `pl.Expr.map_elements` can suggest invalid operations
- DataFrame operators do not broadcast
- Make string add operations more consistent across dtypes
- Add documentation on `pl.Binary` to User Guide
- Add lazy `upsample`
- Add `json_encode` to `pl.List`
- fix: Allow parsing csv file which doesn't has a header and has rows with variable number of columns
- Docs
- Rust not yet supported