polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Improve public Rust API for `read_X` and `scan_X` functionality
- Let `return_dtype` in `Expr.map` optionally be a callable
- `describe` method for expressions
- Assert `pl.Expr` only at `collect`
- polars.to_dummies() does not allow for a proper number of dummy variables
- Precompile regex patterns for `.arr.eval(....str.count_match)`
- Documentation for custom function
- SchemaError improvement
- Utility function to select all remaining columns
- Interface about query plans
- Docs
- Rust not yet supported