model.columns.each do |val|
  # i got now:
  #   val == key
  #   model[val] == value
  myPrint(val , model[val])
end

class Sequel::Model
    # helper method to get {:keys=>:accessors}
    def self.assoc_list
        res = Hash.new
        association_reflections.each do |k,v|
            res[v[:key]] = k
        end
        return res
    end
end

class Unittype < Sequel::Model(:unittypes)
end

class Unit < Sequel::Model(:units)
    many_to_one :unittype
end


#trying to print Units

Unit.all.each do | u |
    Unit.columns.each do | col |
        if Unit.assoc_list.key?(col)
            key = Unit.assoc_list[col]
            # ok, now i got key == :unittype
            # and want to get value = Unit.key.name (Unit.unittype.name)
            value = ???

            MyPrint(key,value)
        else
            # key, value
            MyPrint(col,u[col])
        end
    end
end