polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- `LazyFrame.sink_database()` method
- Add `struct.eval`
- `struct.with_fields` broadcasts unit lengths that are non-scalar
- `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
- Improve deprecation warning and attribute handling in polars.type_aliases
- Restrict CSV schema inference to 10 files by default and add configuration API
- bug: AVG OVER WINDOW returns incorrect values
- Add null_values in read_excel
- Docs
- Rust not yet supported