polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- get histogram from rust polars (not python API)
- Many operators do not work with dtype null
- Should ewm_mean preserve null values?
- Return all nulls from `map_groups` causes panic
- Is it possible to special case `ldf.sort(pl.col("a").over("b"))` so that it works with streaming?
- feat(python): Expose pyarrow_options as a parameter in `scan_pyarrow_dataset`
- `maintain_order` in `top_k` is inconsistent with `maintain_order` in other places
- Add null_on_oob on all get/gather operations
- `__getstate__` of sliced string Series keeps reference to original Series values.
- feat!: Rename struct fields of `rle` output to `len`/`value` and update data type of `len` field
- Docs
- Rust not yet supported