polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Directly initialise `pl.Categorical` or `pl.Enum` series using codes
- Re-write/eliminate filters to be applied before a type-cast
- Escape_char for read_csv - any new thoughts?
- enh: auto-infer ISO week dates in `to_date`
- Expression for percent en/decoding
- Load delta partition values from the delta log instead of the hive path
- Support applying specialized column predicates when the column name / type in the file differs from the resolved IR type
- Unclear workflow for unity catalog connection
- `application_name` parameter not being sent to database
- Add a check to Series `__getitem__`, if it's a struct and key is string return self.struct.field(key)
- Docs
- Rust not yet supported