polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- 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
- pl.list fails to broadcast leading scalar input against column
- fix: Broadcast scalar inputs in pl.list regardless of position
- Add ARRAY_VALUE SQL constructor for fixed-size Arrays
- feat: Add ARRAY_VALUE SQL constructor
- Docs
- Rust not yet supported