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): Add extra_columns parameter to scan_ipc
- Allow writing Parquet map typed columns
- fix(python): Fix panic in scan_iceberg for snapshot_id before a schema change
- scan_delta(DeltaTable) fails when DeltaTable uses delta-rs string storage_options (max_retries type mismatch)
- DataFrame `n_unique()` ignores additional columns when the `subset` parameter is an expression or selector that selects multiple columns
- Implement a parallel cumulative sum streaming node
- feat(python): Expose the registered source as `scan_fn.io_source`
- feat: Binning functions
- Add support for parquet ALP encoding
- docs(python): Clarify that ambiguous parameter refers to DST transitions
- Docs
- Rust not yet supported