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_plan::utils::aexprs_to_schema panics during LazyFrame::collect()
- read_parquet and scan_parquet with a Hadoop-compatible ABFS URL fail if the URL has a wildcard
- Add Pandas `.compare()` Functionality
- Add `precision` parameter to `.cut()` and `.qcut()`
- For data types, hashing is not consistent with equality
- `read_csv`: `dtypes` not working and very confusing
- Rework `schema` / `dtypes` / `schema_overrides` for a better user experience
- Faster parquet partitioning scheme
- Numpy datetime scalars are not recognized
- Polars cannot read Parquet files written by Spark
- Docs
- Rust not yet supported