polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Add more warnings for order-sensitive operations after a non-order preserving operation
- How about changing the type hint in `BasicCursor.execute` to use `Callable`?
- `melt` to Categorical variable
- `.str.extract_all_groups()` for working with non-capturing regex groups
- Passing `NaiveDate` to a `lit()` silently converts value to `datetime[ns]`
- Allow sequence as input to `DataFrame.rename`
- Activate `polars-arrow` tests
- Consistency around the behavior of the `schema` argument across the API
- `df.update` does a coalesce of (right, left). What if I want coalesce(left, right)?
- `fill_null` expanded on multiple columns
- Docs
- Rust not yet supported