polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- LazyFrame to Iterator of RecordBatch
- adding `periods` argument to the date_range
- Sink to Numpy memmap
- Add weighted average / mean and variance
- LazyCsvReader loads wrong column when using schema
- Add an option that allows to_dummies() to retain the original column?
- `fill_null()` with a `pd.Timedelta` casts duration dtype to `us`
- Make it easier to debug "make sure all rows have the same schema"
- Hadoop files reading support desired for scan_csv() and read_csv()
- Use `log` instead of just using `println` or similar functions
- Docs
- Rust not yet supported