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 Truncate Mode for Database Writes in PyPolars
- `.over` accepts `AsRef<[Into<Expr>]` and silently fails on a `str` input. Should accept `AsRef<[Expr]>`
- Windows fatal exception when using polars' context select in a pytest's function
- Explain that arithmetic operations use integer wrapping
- Add `wrap_numerical: bool` to `Expr.add`, etc. to disable wrapping operations on arithmetic
- Creating an empty dataframe using a constant string field converts all other field types to null
- A simple introductory Chinese tutorial
- polars.read_parquet_schema fails when file metadata contains embedded Parquet
- Better docs around dataclass, NamedTuple and Pydantic integration
- Add cast from pl.Array(pl.UInt8) to pl.Binary
- Docs
- Rust not yet supported