SqlServer 无限递归目录树且输出层级

ALTER VIEW [dbo].[view_TreeLevel]
AS
WITH cte
AS (
SELECT a.ModuleID,a.Module_Name,a.Module_Description,a.Module_FatherID,a.Module_Url,a.Module_Order,1 Level FROM TT_TreeView a WHERE a.Module_FatherID=0
UNION ALL 
SELECT b.ModuleID,b.Module_Name,b.Module_Description,b.Module_FatherID,b.Module_Url,b.Module_Order,Level+1 FROM TT_TreeView b INNER JOIN cte c ON b.Module_FatherID = c.ModuleID
)
SELECT TOP 100 PERCENT * FROM cte ORDER BY Level

CREATE TABLE [dbo].[AreaTable](  
[Id] int PRIMARY KEY IDENTITY(1,1) NOT NULL,[Name] [varchar](50) NOT NULL,[Parent] int NOT NULL,)  
GO  
  
INSERT INTO [AreaTable]    
SELECT '中国',0 UNION ALL  
SELECT '广东',1 UNION ALL  
SELECT '湖南',1 UNION ALL  
SELECT '深圳',2 UNION ALL  
SELECT '长沙',3 UNION ALL  
SELECT '福田',4 UNION ALL  
SELECT '南山',4 UNION ALL  
SELECT '天心',5 UNION ALL  
SELECT '岳麓',5 UNION ALL  
SELECT '芙蓉',5 UNION ALL  
SELECT '蛇口',7 UNION ALL  
SELECT '科技园',7   
GO  

--查询全国  
WITH temp  
AS  
(  
SELECT *,1 Level FROM [AreaTable]  WHERE Parent = 1  --1全国  2广东
UNION ALL  
SELECT m.*,Level+1  FROM [AreaTable]  AS m  
INNER JOIN temp AS child ON m.Parent = child.Id  
)  
SELECT * FROM temp ORDER BY temp.Level

相关文章

SELECT a.*,b.dp_name,c.pa_name,fm_name=(CASE WHEN a.fm_n...
if not exists(select name from syscolumns where name=&am...
select a.*,pano=a.pa_no,b.pa_name,f.dp_name,e.fw_state_n...
要在 SQL Server 2019 中设置定时自动重启,可以使用 Window...
您收到的错误消息表明数据库 'EastRiver' 的...
首先我需要查询出需要使用SQL Server Profiler跟踪的数据库标...