polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Columns names with a dot (`.`) do not plot correctly with the new Altair plotting backend
- Enum categories methods
- `pl.from_pandas(df, include_index=True)` does not return the index if it is sorted starting from 0 with step 1 with no name
- Support for Windows on arm
- Rust documentation does not list all required features for functions
- Alternative method faster and more memory-efficient than ``group_by(..., maintain_order=True).first()`` for larger dfs when operating in fast path
- Performance Issue - Polars DataFrame Behaves Depending on Data Source (Which Shouldn't)
- Repeated sampling for Bootstraping
- Pyarrow polars.exceptions.ComputeError: ArrowInvalid: offset overflow while concatenating arrays with scanning large delta tables
- `scan_ndjson` / `read_ndjson` does not respect the `storage_options` endpoint url
- Docs
- Rust not yet supported