polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Memory leak (linux) seen in simple example with string column
- Error Result When Adding Two Columns with map_elements and with_column and Using pysam
- Allow for literal creation using datatype as constructor
- read_csv: support for compressed .zip files
- Requesting a build that works with jupyterlite-xeus
- The compiler cannot find `mean_horizontal`, `max_horizontal`, or `min_horizontal`
- suggest add some sql syntax supports
- Add add_filename to pl.read_csv (and read operations others)
- Use Parquet Statistics such as `min` and `max` to handle more complex predicates.
- scan_parquet is slow to scan over parquet dataset with many rows
- Docs
- Rust not yet supported