polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Optimize for simple math?
- The output of `hive_partitioning=False` differs in `scan_ipc()` and `scan_parquet()`
- Remove `json` support in `LazyFrame.serialize`
- Possible memory leak on scanning csv and sinking to parquet
- No non-strict creation of literals
- write_parquet with partition_by silently overwrites existing files
- feat(python): Support "indexed" dicts as input to `from_dict` and `from_dicts`
- Inconsistent Results Between Pandas and Polars using cut (and qcut)?
- Behaviour change of Expr.list.drop_nulls for structs with all None fields
- Don't disable coalesce when joining on expressions
- Docs
- Rust not yet supported