polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- option for compliance of pure rust written parquets with nested fields
- Globbing support for multiple JSON (not ndjson) files?
- Type Casting string to date does not for list of dicts
- Type casting is slow - seems like lack parallelism and caching
- Cross-architecture support
- Split the "Selectors" page into one page per selector - same as the "Functions" page section
- support .var for large durations
- Implement `std` for `Date`/`Datetime` dtypes
- Add nan_min/nan_max to (Lazy)GroupBy
- `next()` on GroupBy raises `AttributeError` object has no attribute `_current_index`
- Docs
- Rust not yet supported