lidavidm commented on pull request #7685:
URL: https://github.com/apache/arrow/pull/7685#issuecomment-656949942
> So is this ok to merge before #7290 ?
This should be OK. It doesn't enable unions in the integration tests and
prevents reading/writing unions with the old version. (Of
lidavidm commented on pull request #7685:
URL: https://github.com/apache/arrow/pull/7685#issuecomment-656738197
Would any Java maintainers be able to review? There's a bit of a circular
dependency with this and #7290 - this is needed so that C++ will see the V5
metadata version and read
