polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Cannot write to Azure Postgre SQL DB
- Support reading partitioned parquet datasets using `_metadata` files
- Allow for custom optimization rules
- DataFrame.sample() with larger n than height
- CSV with encoding=iso-8859-1 fails
- Exception raised in groupby.apply(UDF) causes panic and loses traceback
- Fill strings placeholders with another columns values
- how to limit the display width in polars so that wide dataframes are printed in a legible way?
- Revert back to part of the query plan
- Add additional parameters to `to_dummies`
- Docs
- Rust not yet supported