polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Casting fails with untyped literal in horizontal aggregation
- pl.lit(datetime) fails with ComputeError after freezegun.freeze_time (since 1.37.0)
- Source of aws config and credentials files.
- feat: Add `Expr.is_sorted`
- refactor: Make projection- slicepushdown public
- `approximate_bytes_per_file` in `PartitionBy` does not go lower than ~100k rows unless `row_group_size` is set to a lower value
- feat: add Polars SQL to context7
- LazyFrame.join() documentation for `validate=` parameter seems inaccurate
- Support newly-added Apache Arrow functionality in Oracle SQL connections
- Add new optimization modes for map_elements
- Docs
- Rust not yet supported