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`/`read_database` incorrectly converts naive datetime to UTC before applying timezone from a given schema
- let pl.Expr.reshape optionally take a tuple or 2 scalars rather than just a tuple
- docs(python): Remove y and mo from join_asof
- `from_numpy` cannot deal with nested dtype
- Incorrect assumptions about Binary being a String representation when parsing to UInt32 (or any other numerical) type
- docs(python): Add storage_options hint for azure
- join_asof tolerance parameters "mo" and "y" do not work
- Make retry strategy for `scan_delta` and `collect` configurable via Python API
- When Python 3.10 is minimum supported version, PyBackedStr/PyBackedBytes may no longer be necessary
- Include field name(s) when displaying `struct`s
- Docs
- Rust not yet supported