polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- feat!: Allow transposing an empty DataFrame
- Dtype inconsistent when dividing `Float32` by default int vs unknown
- `cum_fold` / `cum_reduce` no longer allow expressions inside function
- Apparent memory leak when making a clone of a filtered dataframe / how do I make a true clone?
- Pin all dependency versions, only update versions with a PR
- Unexpected `SchemaError` when sinking parquet with Enum
- Change `from_arrow` to always return `Series` from `ArrowStreamExportable`s
- Add TypeGuard methods to DataType for is_struct, is_list, and is_array
- feat: TypeGuards for narrowing DataType to specific class
- remove condition test
- Docs
- Rust not yet supported