polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Allow read_csv to set a single dtype for all columns, or all but certain columns
- Implement str.is_ functions
- Add Expr/str/list indexing, e.g. pl.col.a[start:end], .str[0], .list[:3]
- Allow inserting or moving columns before or after a specific column
- More informative error message when indexing a DataFrame with a tuple of strings
- Add `to_ndarray` for Arraychunked
- Polars scan_parquet_files blocking tokio async main thread
- weights not yet supported on array with null values
- Invalid type inference on hive partitioned column
- Inconsistent Pivot Options Between Pivot API reference and Pivot User Guide
- Docs
- Rust not yet supported