polars
https://github.com/pola-rs/polars
Rust
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
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- Issues
- `pl.Expr.meta.has_multiple_outputs()` is broken on main
- Provide some sort of callback for `LazyFrame` to handle errors when collecting?
- Decimal zeroes are stripped when reading float values as string in read_json
- `scan_delta` returns incorrect datetime unit (us instead of ns) compared to the specified schema
- Reading parquet from another minio, error message: permission issue
- `diff` does not always work as "expected" for `pl.UInt64` columns
- Feature Request: join_rolling– Ergonomic & Performant Time-Series Windowed Join
- Joining using `.struct_().field_by_index(...)` panics with "entered unreachable code"
- Add `has_non_nulls` (counterpart to `has_nulls`)
- Getting Server returned non-2xx status code: 400 Bad Request: \n\nThis error occurred with the following context stack:\n\t[1] 'csv scan'\n\t[2] 'filter'\n\t[3] 'sink'\n
- Docs
- Rust not yet supported