polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- SQL: ORDER BY on an ungrouped QUANTILE_CONT or QUANTILE_DISC aggregate returns one row per input row instead of a single row.
- feat(python): Add `connection_options` parameter to `read_database_uri`
- fix: Prevent datetime overflow
- Add linear regression aggregation functions (regr_slope, regr_intercept, regr_r2, regr_count)
- refactor(python): Use `LazyFrameResolver` API for `scan_delta`
- #28498 feeds fabricated nulls to user code, so a null-free query can fail
- fix(rust): Centralize FixedSizeList outer-to-child layout arithmetic and fix under-reservation
- fix(python): Leave stream position at end of stream in `read_ipc_stream`
- What is the input-length contract for elementwise UDFs and expression plugins?"
- perf: Skip the expression engine for eager `repeat` with scalar literals
- Docs
- Rust not yet supported