polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Writing Parquet to JSON when row_oriented=True
- pl.UInt32 subtraction leading to weird results
- permit run polars on old CPU
- Run end encoding support?
- to_dummies() to accept "return_empty" argument for pl.Enum type.
- Adding a section for R bindings in the list of APIs reference?
- Allow join on different types if upcast is safe
- Support `group_by_dynamic` in streaming engine
- process crashes with `memory allocation failed` when reading small parquet file
- Add `check_sorted` parameter to `join_asof` that defaults to `False`
- Docs
- Rust not yet supported