polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- feat: Recognize List evaluation over scalar values
- buffer cross join sides at runtime
- fix: From_arrow PanicException for struct with duplicate fields
- Concat how="horizontal" warns for correct invocation, requires deprecated strict=True to suppress
- SQL HAVING on a grouping key raises a List(Boolean)-to-Boolean cast error
- Partitioning for IO plugins
- bug: SQL ARRAY_AGG collects scalar input once instead of once per row
- fix: Repeat scalar inputs in SQL ARRAY_AGG
- bug: SQL List literals do not broadcast to projection height
- test: Cover SQL list literal projection height
- Docs
- Rust not yet supported