polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- refactor(rust): Add equi joins to new streaming engine
- PanicException when combining very specific operations
- Regression: Polars 1.14 doesn't accept AWS_S3_ALLOW_UNSAFE_RENAME anymore
- Invalid format specified when converting Time type with `to_string` causes panic
- Panic after join when dataframe has a column of dtype pl.Object and resulting dataframe has only one row
- DataFrame.sum slow for u8, u16, i8, i16
- Add modular parquet de-/encryption
- Non deterministic error writing and then reading parquet files with column of type List(Catergorical) where the Categorical is nullable
- Allow skipping non-matching schema in json_decode
- Enable "partition_by" for "sink_parquet" function
- Docs
- Rust not yet supported