polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Support expressions and regex for `columns` parameter of `read_parquet/read_csv`
- more API hyperlinks in userguide
- `DataFrame.remove()` with multiple arguments could be misleading.
- Perf: refactor concurrency on `head` requests for Parquet/IPC
- S3 region auto-detection maps request failures to ComputeError instead of IOError
- Deprecate and remove outdated categorical functions
- Additional join validation options
- polars-plan as an internal dep is broken
- feat: Add more expression properties to `meta` namespace
- Include source file line numbers when reading CSVs with `read_csv`, `scan_csv`
- Docs
- Rust not yet supported