polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Pyarrow lazyframes not collected properly in latest version
- Add polars selectors in filters example in the doc
- Add `ignore_nulls` on concat_list
- Asynchronous version of read_database
- perf: maintain_order can lead to faster overall operations
- Unable to read csv with "\t" as the separator
- Error when converting `pl.Datetime` to pandas with zerocopy
- fill_null silently change pl.Array to pl.List
- `scan_parquet` runs forever on AWS airflow - version 1.17
- DataFrame intitialization from list of dataclasses is slow
- Docs
- Rust not yet supported