Re "same business transaction": That would probably still allow for correlating the votes with the flags because they'll still be added with some XID, which are

Re "same business transaction": That would probably still allow for correlating the votes with the flags because they'll still be added with some XID, which are monotonically increasing. Of course, it would require more effort and probably even guesswork, but still :) Rewriting the election in the same transaction sounds smarter than the periodic solution. I need to discuss that with the team, thanks!