polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- (rust/ python) Support Bytes/ in-memory buffer input in LazyFrame API with streaming engine
- Panic using `to_torch`
- `read_csv` does not correctly infer UInt64 types when values bigger than maximum Int64 are provided
- Allowing construction of pl.Dataframe inside of group_by
- Ignore leading whitespace when reading csv
- Support an expression for the seed parameter in `Expr.sample` and `Expr.shuffle`
- refactor SQL code to use IR-builders
- Improve documentation of Cloud Storage section on using s3-compatible storages
- Int dtypes not downcast to boolean when used as RHS in `|` or `&` operators for Series
- enh: make DataFrame generic over its schema
- Docs
- Rust not yet supported