polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Precise exception location in user-provided Python code
- Improve error message with problematic column names for "CSV format does not support nested data"
- [docs/ux]: Improve intuition about expression expansion
- Document (more) dunder methods for core classes
- A `dict` as `schema_overrides` is not respected in `read_csv`.
- Add `pl.collection_agg` for efficient multi-list operations
- Remove "physical" and "lexical" name exception from pl.Categorical
- read_csv can still raise errors even if `ignore_errors=True` is specified
- fix(rust): Remove 'panic_on_schema' feature from polars-lazy docs
- [Async/IO bound tasks] Running async functions in lazyframe.map_elements
- Docs
- Rust not yet supported