polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- `struct.with_fields(field.head(0))` truncates data on streaming engine
- Parallelize chunk splitting using `CountLines::analyze_chunks` when scanning CSV
- Comparison between ``Duration`` and ``Int`` should raise error
- refactor(python): Improve deprecation warning in `polars.type_aliases`
- bug: AVG OVER WINDOW returns incorrect values
- Add null_values in read_excel
- Add memory information to profiling
- Enums/StrEnums type information is lost when constructing dataframe from iterables
- `pl.Series` comparison to `np.ndarray` does not work
- Allow passing Callable[[str], bool] to sheet_name parameter of polars.read_excel
- Docs
- Rust not yet supported