polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Merge sorted null behavior is undocumented
- Allow native Delta reader to prune partitions before scanning underlying Parquet
- OverflowError when initializing DataFrame with large integers using `orient="row"` and Float64
- feat(rust): Allow setting custom `object_store` client/cloud options
- Allow scan functions to read storage options from UPath/S3Path
- Example of converting Data frame to json in Rust API
- Rust API - Reading a 1 billion file into data frame in parallel
- Reading geoparquet files from geopandas
- Python polars write database Time zone issue
- 1.21.0 is 5-9 times slower than 1.17.0 on collect on concattenated Azure blob parquet files.
- Docs
- Rust not yet supported