MYSQL修改

appapi/src/main/java/tech/glinfo/enbao/modules/sh/dao/OtherShFamilyRoomDao.java

@@ -25,7 +25,7 @@ public interface OtherShFamilyRoomDao extends BaseMapper<ShFamilyRoomEntity> {
 
 
     @Select("<script>" +
-            "SELECT a.id, a.name, IF(COUNT(b.id) > 0, COUNT(b.id), NULL) `device` FROM sh_family_room a LEFT JOIN sh_device b ON a.id = b.room_id WHERE a.family_id = ${familyId}" +
+            "SELECT a.id, a.name, (SELECT COUNT(b.id) FROM sh_device b WHERE a.id = b.room_id) `device` FROM sh_family_room a LEFT JOIN sh_device b ON a.id = b.room_id WHERE a.family_id = ${familyId}" +
             " </script>")
     List<Map<String, Object>> list(Integer familyId);