路口异常状态增加方向

signal-optimize-service/src/main/resources/mapper/HoloEventMapper.xml

@@ -128,7 +128,7 @@
              ifnull(a.alarm_status,-1) alarm_status,
              a.opt_status,
              dir,
-             turn
+             if(turn='null',null,turn) turn
         from t_base_cross_info c
         left join (select * from t_event_info where dt = DATE_FORMAT(NOW(),'%Y%m%d') and type in (701,702,703,707) and alarm_status in (0,1,2)) a on a.cross_id = c.id
         left join (select a.event_type, a.label from  t_config_event_category a where a.category = 4) b on a.type = b.event_type