polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- dt.offset_by fails if intermediate timestamp is non-existent
- Silent failures with deeply nested rolling operations in lazy mode
- Update with a single value with object dtype column PanicException
- `scan_parquet` push down hive filtering breaks on categorical columns
- Coalesce with null dtype column
- Add `descending` and `nulls_last` to `merge_sorted`
- Feature Proposal: Validation decorators for pipeline-style code
- Match `DataFrame.corr` with `pl.corr`
- In `sample()` for DataFrame, `fraction` and `n` should error if they are not numeric
- fix(Rust): minor: Allow custom CsvReaderOptions
- Docs
- Rust not yet supported