polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- pl.merge_sorted into sorted-group-by doesn't preserve sortedness on streaming engine
- Confusing error message when reading hive partitioned dataset with bad partitions
- fix(python): Keep deduplicated names unique when the suffix is already taken
- fix: Add broadcasting to pl.list() to handle mixed scalar/column inputs (fixes #29265)
- 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
- Docs
- Rust not yet supported