I can't see this being possible in Vertical or Horizontal, but with single table... could the qualifying attribute be updated to 'promote' an entity to a new class? Let's say we have we have an abstract Person entity with three subclasses, Peasant, Knight, King. If I wanted to promote a knight to king, is it possible to simply update my type attribute from knight to king and EOF will start treating that record as a king instead of a knight? I would assume I would need to invalidate the existing knight object after saving changes so it could be refetched as a king... and if I had multiple instances, I'd need to invalidate it in those instances too... but is it possible? Or will EOF just flip out in the saveChanges() and refuse to do it?
Just an academic question, of course (^_^) Ramsey
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