In order to make it possible to preserve the ordering in the query, and allow the computed columns appear in the right place, you really need something in the view_opts table as a place holder. What about something like.
If the users can create Views, why don't you simply GRANT CREATE VIEW TO user_role. They can write their own calculations. Then they will have the full capability of SQL Views.
Anything you or I could come up with will be.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.