Yukon and polymorphic queries

I was at a presentation of Yukon (among other things) given by Yosi Taguri and in this presentation he demonstrated the ability of Yukon to store and work with .NET structures.

I was interested if Yukon can handle polymrhic queries (like querying about a base class and getting data from its derviatives). I emailed him with the question. I’ll update when I get an answer…