polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Rust docs don't note when the `parquet` feature is needed
- Error on calling polars.Expr.meta.tree_format with expressions from list of columns
- Add argument `value_drop_null` to `melt()`
- `melt()`: extract multiple variables from name
- get histogram from rust polars (not python API)
- Many operators do not work with dtype null
- Is it possible to special case `ldf.sort(pl.col("a").over("b"))` so that it works with streaming?
- `__getstate__` of sliced string Series keeps reference to original Series values.
- Polars cannot read DeltaBinaryPacked encoded files
- 0.38.3 Problems in .cargo/registry polars-plan
- Docs
- Rust not yet supported