polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Hint: Try setting `strict=False` to allow passing data with mixed types.
- Tab character in string results in malformed display output
- read_database since 1.21 with async oracledb throwing "got Future <Future pending> attached to a different loop"
- tracemalloc causes deadlocks in Polars in latest Python (when tracemalloc was still enabled)
- feat: Support sub json path for JsonReader
- feat: Support any iterator for from_rows_iter_and_schema
- Implement csv.QUOTE_NOTNULL behavior
- Cannot read the Time type of a Parquet file correctly
- Inconsistent `lit` vs `col` parsing of RHS string in `+` operation
- `pl.get` expression that can handle missing columns.
- Docs
- Rust not yet supported