polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Rust docs don't note when the `parquet` feature is needed
- Ordered Context Expressions
- Enum integer type based on distinct count
- Assigning to Object Series corrupts them
- `read_ndjson` `read_json`: Add `encoding` parameter
- fix: Handle strictness for Decimal Series construction
- Series.set() results in NotImplementedType
- Error on calling polars.Expr.meta.tree_format with expressions from list of columns
- Add argument `value_drop_null` to `melt()`
- `melt()`: extract multiple variables from name
- Docs
- Rust not yet supported