polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- docs(python): Add storage_options hint for azure
- Include field name(s) when displaying `struct`s
- error 1/2 from make build, no documentation to explain what this means/how to fix
- Parquet scanner doesn't do predicate pushdown for categoricals/enums
- GPU accelerated Polars taking 4 times longer to SUM a column in 100m record CSV than regular CPU. Running in Jupyter Notebook
- Row Group Based Subtotals with .group_by()
- Use of `sorting_columns` parquet metadata
- Ability to append to an existing directory of parquet files with new partitions (mode=append)
- `collect_async` is blocking
- Support additional join types with join_where
- Docs
- Rust not yet supported