polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Perf: consolidate head/footer HTTP requests on Parquet, IPC
- Schema mismatch on `list.set_union()`
- feat: Replace chrono with jiff for temporal handling
- Custom `pyarrow_options` in `write_parquet` are overwritten by default function args
- Stream native Iceberg file planning in bounded batches
- perf(python): Stream native Iceberg file tasks
- feat(python): Add `connection_options` parameter to `read_database_uri`
- fix: Prevent datetime overflow
- Allow infer_schema_length=0 in read_json when schema is explicitly provided
- Add linear regression aggregation functions (regr_slope, regr_intercept, regr_r2, regr_count)
- Docs
- Rust not yet supported