polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Polars SQL does not work on ThreadedMotoServer
- Conversion to arrow failed
- Multiplication overflow panic on debug build reading parquet with int96 timestamp
- [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
- The file extension should not be `.ipc` when a partitioned sink is performed by `sink_ipc`
- 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
- Docs
- Rust not yet supported