polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Imperfect behavior with `scan_csv()` on `zstd` compressed file with `new_columns` param
- Inconsistent type casting of `datetime` in functions on `List` column
- Add to clickbench Rust Polars use
- LazyFrame sort in batch only
- Feature request: Use multithreading for simple operations on larger dfs
- chunked array is not contiguous
- `read_csv_batched` encoding parameter does not work as described in the documenati
- Add notes on parameter "use_pyarrow" in read_csv and potentially other functions
- replace multiple seeds in hash functions to a single seed
- `Expr.replace` fails when replacement is a column/expression
- Docs
- Rust not yet supported