polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Expression input not working correctly for either argument of `Expr.str.replace_many`
- Allow `os.PathLike` objects in `read_*` and `scan_*` functions
- Improve error message for schema column mismatch.
- Delta Lake Duration data type
- Make pivot args as positional instead of keyword only
- `any_horizontal` and `all_horizontal` treat null values differently than their vertical counterpart
- Transpose option for `DataFrame.describe()`
- `scan_csv`does not support a list of datatypes in `schema_overrides`
- `read_csv` and `read_ipc` do not use native `storage_options` configuration keys
- map_elements applied to dataframe with empty column or batch with empty column returns series with length 0.
- Docs
- Rust not yet supported