polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Schema error when vstack null typed colum with typed colum
- Rearrange / fix main page links
- Allow `min_periods` in `rolling_` functions to take dynamic temporal size
- `read_csv`/`scan_csv` overwrites column names when `len(dtypes.keys()) >= len(df.columns)`
- scan_ndjson and scan_csv should support reading from Python TextIO/BinaryIO
- Allow `group_by_dynamic` to operate on data of type `time`
- List columns correlation calculation
- Let `read_ndjson` and `read_json` open from remote file
- Trait `NamedFrom<Vec<[AnyEnum]>>` isn't implemented in `Series`
- Treat dataclasses returned by `map_elements()` functions as structs
- Docs
- Rust not yet supported