amaliujia opened a new pull request #12122: URL: https://github.com/apache/beam/pull/12122
Reverts apache/beam#12079 It turns out that on direct runner, NULL will not be passed to CombineFn thus all NULL inputs are ignored. And then if there is any non-null inputs, bit_and will be applied on them only, which leads to a non-null result, which is not correct. Before we can figure out the root cause and propose a fix, we should revert this implementation. ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
