wesm commented on code in PR #13521: URL: https://github.com/apache/arrow/pull/13521#discussion_r916203979
########## cpp/src/arrow/scalar_test.cc: ########## @@ -1370,27 +1373,61 @@ TEST(TestDictionaryScalar, Cast) { } } +const Scalar& GetUnionValue(const Scalar& value) { Review Comment: The value representation is different -- if this becomes a burden we could add a virtual value accessor to `UnionScalar` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org