skambha commented on pull request #28707:
URL: https://github.com/apache/spark/pull/28707#issuecomment-639187545
> @skambha You can check the integrated tests in #28725. If we delete the
validation, we'll get a NPE for [this
skambha commented on pull request #28707:
URL: https://github.com/apache/spark/pull/28707#issuecomment-637904536
@xuanyuanking , can you please explain how this will fix the issue where we
have changed something in the internal implementation of sum in SPARK-28067,
how does that affect
