polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- read_csv_batched is slow when dtypes is provided
- Non-seekable IPC stream I/O support in LazyFrames
- test_cse_expr_selection_context fails on windows
- Implement dunder methods present in `Series` but not `DataFrame`
- Add MAD (Median Absolute Deviation) to base functions.
- Histogram expression to use in groupby aggregation
- Partial decompression of gzipped files with read_csv() not working when reading from a URL
- Quotation mark in middle of cell causes issues in `read_csv`
- Allow raising on mixed timezones instead of silently coercing in `from_pandas`
- EASY feature for hstack: "first" or "last"
- Docs
- Rust not yet supported