polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- Appending writes for parquet/ipc
- Add `list.from_offsets` to create list items from a continuous array
- feat(rust, python): Add strict parameter to pl.datetime and dt.replace
- Add a sortedness check to the streaming merge join node
- Unnecessary multiplexing causes OOM with in-memory sources.
- refactor(rust): Reuse allocations in IR / AExpr deep copying
- Add a composable alternative to `over`
- `schema_overrides` for `json_normalize`
- Feature request: Complete format dispatch in polars.Catalog — Parquet writes, Iceberg read/write, streaming sink
- `read_csv` with non utf8 encoding causes `eol_char="\r"` to be ignored
- Docs
- Rust not yet supported