arw2019 opened a new pull request #8294:
URL: https://github.com/apache/arrow/pull/8294
As discussed on Jira this is a short-circuiting Max for booleans implemented
on top of the existing `min_max` kernel.
As is there are no options: null is always taken to evaluate to false.
If we want to include control over null handling I can either add `Options`
to the kernel or I can implement an `any_kleene` kernel by analogy with the
`and_kleene` and `or_kleene` logical kernels that we have.
In Python the two options would look like:
``` python
In []: a = pa.array([True, None], type='bool')
...:
...: # option 1
...: pc.any(a).as_py() is True
...: pc.any_kleene(a).as_py() is None
...:
...: # option 2
...: pc.any(null_handling='skip') is True
...: pc.any(null_handling='emit_null') is None
```
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