polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Improve error message for: `SchemaError: failed to determine supertype of <Polars type> and object`
- Array (Fixed-size) columns cannot use NumPy / Numba ufuncs like scalar columns (broadcast & map_batches inconsistencies)
- Support WebGPU
- collect_async freezes.
- Invalid thrift error during remote write_parquet
- Error with enums and sink_parquet
- Join method description unclear
- `read_database_uri` times out when fetching data from a Clickhouse DB
- Streaming `replace_strict` does in-memory-map, unless `eval`uated in a list
- It should be noted in the docs that read_csv can accept gzipped inputs
- Docs
- Rust not yet supported