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 modular parquet de-/encryption
- Allow skipping non-matching schema in json_decode
- Cloud writers for different formats directly on rust side.
- Should `pl.concat()` accept `Expr` input?
- Push down selections into joins
- `cum_fold_exprs` does not broadcast a `lit()` initial `acc` to the correct length
- DataFrame.write_parquet doesn't use RLE_DICTIONARY encoding for nested columns
- List/Array: `sum` operation not supported
- `ComputeError` when reading a CSV with [square brackets] in file path
- pl.concat_list(pl.col("struct_of_structs")) out of memory and crashes
- Docs
- Rust not yet supported