polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Ensure SQL division returns a float when required
- `group_by_dynamic` panics over Daylight Savings transition
- Rename 'aggregate_function' parameter to 'agg' (API consistency)
- fix(python): Suggest str.contains for string containment in map_elements
- Error in JSON se/deserialization of nulls in LazyFrame
- Features lazy + range have an undeclared dependency on moment
- `group().agg(<datetime>.mean())` result is incorrect while using the GPU engine
- Panic when compiling on stable-aarch64-pc-windows-msvc (Windows ARM)
- Inconsistent casting from Date/Datetime strings on DataFrame creation
- perf: Optimise `map_rows` performance for Object dtype
- Docs
- Rust not yet supported