polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- `read_csv` Column names containing double quotes (") are not handled correctly during parsing.
- docs: Mention trig functions use radians not deg (#22950)
- Unity catalog - no storage_location found when scanning tables on Azure Databricks
- Polars SQL does not work on ThreadedMotoServer
- Conversion to arrow failed
- [BUG] Type inference issue: Expr::shift output incompatible with when/then/otherwise (leads to Int128 error)
- Sliced struct column with nulls produces invalid arrow conversion
- feat: Deprecate casting String to Date/Datetime
- Change file extension from `.ipc` to `.arrow` for `sink_ipc(pl.PartitionBy(..))`
- relax "counts must match" in `DataFrame.explode` / `LazyFrame.explode`?
- Docs
- Rust not yet supported