如何在无连接的情况下加载?

I know the has been asked before, but I can't figure out how to do it. I'm trying to eager load the influences on questions and answers, but only the current users, think of it as checking if a user has voted for the item.... An event is the base item. I'd like to do this preferably without joins. My models look like:I know the has been asked before, but I can't f