polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Smarter fields inferencing for CSV input
- Suppress Unneeded Parenthesizing of Stringized Expressions
- Add `values_counts` to DataFrame (+ `Expr.normalize`)
- Enable object_store reading for all the file types
- Panic when reading from parquet s3 without a select statement
- .cast(&DataType::Time) should use the TimeZone info.
- Optionally return metadata when using scan_parquet
- Filter list column sublist with `arr.filter`
- Sphinx documentation does not include cross-references to some classes
- Parallel apply and map
- Docs
- Rust not yet supported