David Li created ARROW-16145:
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Summary: [C++] Vector kernels should implement or reject
null_handling = INTERSECTION
Key: ARROW-16145
URL: https://issues.apache.org/jira/browse/ARROW-16145
Project: Apache Arrow
Issue Type: Bug
Components: C++
Reporter: David Li
As discovered in ARROW-13530, right now the framework will let you register a
vector kernel with null_handling = INTERSECTION, but doesn't actually implement
that (it'll preallocate but won't compute the result). We should either
implement it, or decide it makes no sense and explicitly reject registering
kernels with this null handling mode.
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