polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- All struct to datatype casts are weird / wrong
- LazyFrame coalesce serialization error
- sum_horizontal upcasts across dtypes
- Specify engine options for lazy evaluation
- join_asof: ComputeError: cannot use month offset in timedelta of an asof join; consider using 4 weeks
- Parquet reader can't handle float16 with BYTE_STREAM_SPLIT
- User guide page for new streaming engine
- compilation error on 32bit arm `--platform=linux/arm/v7`
- Add more info in explain for incompatible nodes
- Collapse sink parameters into a WriterProperties class
- Docs
- Rust not yet supported