polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Add 'prefetching' support to collect_batches
- Read_csv should take a list of null values for every column instead of single value
- Include `unique_count` in the output of `DataFrame.describe()` (optionally)
- Skew gives different answer depending on chunking
- Add support for renaming deeply nested structs
- 'schema' parameter description for read_json, read_ndjson, scan_ndjson is confusing.
- Warnings emitted from Rust vanish when setting `filterwarnings = ["error"]`
- Add pl.Expr.struct.drop(...)
- Add Polars is compatible with Scaleway
- `from_dicts`: strange interaction between `schema_overrides` and schema inference causing `SchemaError`
- Docs
- Rust not yet supported