polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- `sum_horizontal()` should not cast values to pl.String
- Regression with map_groups (Polars 1.28)
- Optimizer: Rewrite `sort->unique` to `group-by`
- Add option to raise if the `.otherwise()` statement is reached: `pl.when().then().when().then().otherwise_raise()`
- Being able to turn off interactivity of plots
- Precision lost when converting a float to Datetime using `from_epoch`
- DataFrame creation should error if `schema` is a set
- Python API: Increase width of nav
- Dispatching eager to lazy causes errors to be cryptic
- Move literal `group_by` keys out of the grouping
- Docs
- Rust not yet supported