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 Append Functionality for Streaming Data in LazyFrames
- aggregate function that operates on vector(array of numeric) data
- pl.sum_horizontal handles nulls differently from .add()
- sink_parquet should delete incomplete file if operation fails
- Issue in interchange protocol for chunked validity buffer
- Polars read_ipc does not support all buffer protocol file-like objects
- Issue: ddof Argument in pl.corr is Redundant
- Support reading UInt8, UInt16, Int8 and Int16 in newline delimited JSON
- group_by_dynamic offset ignored
- Unexpected results comparing booleans to strings
- Docs
- Rust not yet supported