polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- map_elements applied to dataframe with empty column or batch with empty column returns series with length 0.
- Make `int_range()` and `int_ranges()` work with no inputs and default to `int_range(0, pl.len())`
- Concat of columns with lists of objects raises error
- docs(rust): Document the `ambiguous` parameter for timezone related functions
- fix(rust): add seek to Start(0) for mmap reading of whole buffer
- Add a `newline` parameter to `read_csv`
- CSV Downloads Fail for ADLS Gen2 with Azure CLI Authentication
- `read_json` on files larger than 4GB errors with ComputeError: InputTooLarge at character 0
- Additional Parameter for json_normalize
- write_parquet(..., pyarrow_options={'partition_cols': [..., ]}) munges partition column
- Docs
- Rust not yet supported