Sorry - no idea what repeating your post from before should tell me.
Up to here I don't see why the calculations/manipulations you mention couldn't be done in e.g. a subselect or SQL view and then simply joined.
Sorry - no idea what repeating your post from before should tell me.
Up to here I don't see why the calculations/manipulations you mention couldn't be done in e.g. a subselect or SQL view and then simply joined.