polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Allow skipping invalid json in `json_decode`
- Precision lost when converting a float to Datetime using `from_epoch`
- Python API: Increase width of nav
- Tracking issue for Missing Query Optimization Passes
- Allow for multiple `descending` for `order_by` in `over`
- pl.Expr().meta.root_names() returns wrong value
- Group_by on a literal and agg len returns a surprising result for a dataframe without columns
- `pl.field` changed wildcard behavior between versions 1.31.0 and 1.32.0
- Replace Kahan summation with Neumaier
- `from_arrow` PanicException for struct with duplicate fields
- Docs
- Rust not yet supported