polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- PlSmallStr conversions breaking after updating from 0.41
- PanicException reading Delta table created using Databricks Delta Live Tables framework.
- fix: Add strict parameter to rename_fields
- Roadmap for `Decimal` Type? (missing features like `round`; currently duckdb/spark)
- feat(python): Add show methods to DataFrame and LazyFrame
- OOM on newer versions of polars, works fine on 0.18.2
- `pl.read_ipc` is up to 10x slower when not using pyarrow
- Cannot call `.to_arrow()` on series on StructArray with offset
- fix(python): Fix `next` on group by objects throw TypeError
- Avro reader/writer cannot roundtrip sample foods1.csv
- Docs
- Rust not yet supported