Michael-J-Ward commented on PR #905:
URL:
https://github.com/apache/datafusion-python/pull/905#issuecomment-2442696429
@timsaucer - yes, if you wouldn't mind.
Here's where I'm at.
`MulticolumnWindowUDF::partition_evaluator` gets called with the correct
arguments
```console
RUST: evaluating partition_evaluator_args: PartitionEvaluatorArgs {
input_exprs: [Column { name: "a", index: 0 }, Column { name: "b", index: 1 }],
input_types: [Int64, Int64], is_reversed: false, ignore_nulls: false }
```
But then `RustPartitionEvaluator::evaluate_all` only receives the one array
```console
RUST: evaluating evaluate_all with 1 value arrays: [PrimitiveArray<Int64>
[
0,
1,
2,
3,
4,
5,
6,
]]
```
My next step would be to dig deeper into the upstream machinery, so I'd
appreciate if you could take a quick sanity check before that.
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