bsw/jbe@5: InviteCode = mondelefant.new_class()
bsw/jbe@5: InviteCode.table = 'invite_code'
bsw/jbe@5: InviteCode.primary_key = "code"
bsw/jbe@5: 
bsw/jbe@5: function InviteCode:by_code(code)
bsw/jbe@5:   local selector = self:new_selector()
bsw/jbe@5:   selector:add_where{'"code" = ?', code }
bsw/jbe@5:   selector:optional_object_mode()
bsw/jbe@5:   return selector:exec()
bsw/jbe@5: end