polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- `scan_parquet` runs forever on AWS airflow - version 1.17
- DataFrame intitialization from list of dataclasses is slow
- `Series.__array_ufunc__` does not properly support `datatypes.Array`
- CSE optimization in group_by then aggregation
- df.sample() should support pl.len()
- Unable to write directly to Azure Datalake Gen2 Storage in polars 1.17.1
- `pl.from_records` drops timezone information
- Create Golang binding
- Unnest causes multiple invocations of map_batches function
- scan_delta on partitioned and compacted delta table fails
- Docs
- Rust not yet supported