chore: 11月19日

aehyok · Nov 19, 2024 · 280e5e3 · 280e5e3
1 parent b6bc032
commit 280e5e3
Showing 1 changed file with 41 additions and 1 deletion.
diff --git a/docs/javascript/2024-11-19.-自主填报配置sqlmd b/docs/javascript/2024-11-19.-自主填报配置sqlmd
@@ -11,4 +11,44 @@
 select UUID() id, @taskid taskid  from User u where u=@userid
 
 ## 注意事项
-- 要发布自主填报之后才可以写sql
+- 要发布自主填报之后才可以写sql
+
+
+- 保证必须有数据的
+SELECT UUID() id, @taskid taskid, p.`Name` c1,CONCAT(hn.`Name`, h.HouseNumber) as c2,vp.Contact c3,p.IdCard c4  FROM  `User` u 
+LEFT JOIN Population p on p.Id = u.PopulationId
+LEFT JOIN VillagePopulation vp on vp.PopulationId = u.PopulationId
+LEFT JOIN VillageHouseholdPopulation hp on hp.PopulationId = u.PopulationId
+LEFT JOIN VillageHousehold h on h.Id = hp.VillageHouseholdId
+LEFT JOIN VillageHouseName hn on hn.Id = h.HouseNameId
+WHERE u.Id = @userid 
+
+
+
+- 后面的查询sql可能没有数据的话，就要通过left join进行关联查询来保证有数据 
+SELECT 
+    base.id,
+    base.taskid,
+    temp.c1,
+    temp.c2,
+    temp.c3,
+    temp.c4
+ from  (
+    SELECT 
+        UUID() as id,
+        @taskid as taskid
+) AS base
+LEFT JOIN (
+    SELECT 
+        p.`Name` as c1,
+        CONCAT(hn.`Name`, h.HouseNumber) as c2,
+        vp.Contact as c3,
+        p.IdCard as c4
+    FROM `User` u  
+    LEFT JOIN Population p on p.Id = u.PopulationId 
+    LEFT JOIN VillagePopulation vp on vp.PopulationId = u.PopulationId 
+    LEFT JOIN VillageHouseholdPopulation hp on hp.PopulationId = u.PopulationId 
+    LEFT JOIN VillageHousehold h on h.Id = hp.VillageHouseholdId 
+    LEFT JOIN VillageHouseName hn on hn.Id = h.HouseNameId 
+    WHERE u.Id = @userid
+) AS temp ON 1=1