polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- C Data interface error: The datatype "Null" doesn't expect buffer at index 0
- `read_csv` Column names containing double quotes (") are not handled correctly during parsing.
- Unity catalog - no storage_location found when scanning tables on Azure Databricks
- Polars SQL does not work on ThreadedMotoServer
- [BUG] Type inference issue: Expr::shift output incompatible with when/then/otherwise (leads to Int128 error)
- Change file extension from `.ipc` to `.arrow` for `sink_ipc(pl.PartitionBy(..))`
- relax "counts must match" in `DataFrame.explode` / `LazyFrame.explode`?
- Documentation for olders versions
- Build fails: unresolved import `polars_time::prelude::known_timezones`, and other errors
- polars.DataFrame.item returns a Series for list-valued cells
- Docs
- Rust not yet supported