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: Optimize `rolling_min` and `rolling_max` with a van Herk block scan
- `strptime` with `strict=False` still raise error when format is inferred from the data
- perf: Preserve rolling kernels after grouped row reorder
- Workspace feature system
- fix: Preserve timezone offsets when reading JSON datetimes
- feat: Recognize List evaluation over scalar values
- fix: From_arrow PanicException for struct with duplicate fields
- Partitioning for IO plugins
- feat: Add ARRAY_VALUE SQL constructor
- feat: Reverse node for streaming engine
- Docs
- Rust not yet supported