polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- polars.DataFrame.join: Add information on the source of each row.
- Selecting null values from an object column makes the process unresponsive
- Support for the default datetime fmt when using .cast(pl.Datetime)
- dtype is upcasted silently in `list.concat`
- Does Polars still use the external adlfs library for Azure?
- Automatically guess separators
- Allow Series in `pl.concat(..., how="horizontal")`
- Avoid reading partitioned files if all information is present in hive partition paths or row group statistics
- UInt16/Uint8 using by schema to create empty dataframe got error
- sql add an alias to a group by column results lists of that column
- Docs
- Rust not yet supported