我试着把然后我想要类似的东西
<% @patrol_routes.each do |patrol_route| %><%= link_to patrol_route.name, patrol_route_path %> so that it takes me to the show page of the patrol
我想将select结果转换为JSON,并将其写入另一个表: update patrol_patrol a, position_user b
set a.route = json_array(selectright syntax to use near 'select coordinate from b ) where a.id = 1' at line 2 select route from patrol_patrol