polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- fix(python): rows_by_key raises ValueError when all columns are keys
- Add warning to documentation of `with_row_index` about non-deterministic inputs
- Apply filters in order based on selectivity in parquet scan
- fix: Error instead of panic when exporting field names with null bytes to Arrow
- fix(python): Modify list function so first argument is positional-only
- docs(rust): Update DataFrame code example in the eager section
- fix(rust): Don't panic in `log`/`log1p`/`exp` on non-numeric input
- Set max concurrency on scan from cloud object store
- Adaptive rate-limit on cloud object store (S3)
- Add NUMA-aware scheduling to streaming engine
- Docs
- Rust not yet supported