polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Add method (or parameter) to get sheet names from Excel file
- numeric (minus) operation on groupby len
- docs(python): Adds cancellable queries
- When working with s3fs (For AWS S3), it still raises "Polars found a filename" warning
- Error when joining on the same pair of key names (but from different tables)
- Markdown format should respect column alignment config
- Enable column select optimization for `GroupBy.first()` and `GroupBy.last()`
- Implement Row Deserializer
- `map_batches` doesn't work with contexts from `rpy2`
- Config setting to set default parquet engine. `pl.Config.set_parquet_writer("pyarrow")`/`pl.Config.set_parquet_reader("pyarrow")`?
- Docs
- Rust not yet supported