polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- `read_csv` does not return columns in the order specified by `columns` parameter
- Rust Polars DF into tuples
- Improve `read_database` error message after type inference error with sqlalchemy
- Add pyarrow.compute's `index_in` support for pl.Series
- Unify `read` and `scan` functions
- `cast` to `datetime` doesn't preserve timezone
- Add Config option for str output format of dates
- polars.exceptions.ColumnNotFoundError after left join using ctx.execute(select )
- Allow `step`/`interval` parameter in `ranges` functions to take an expression
- Implement write_bytes and sink_bytes IO functions
- Docs
- Rust not yet supported