这么多年第一次自己去用游标和临时表

Posted 2020-10-19 潜者之意

       汗颜，做了这么多年开发自己第一次用游标和临时表

      还是借助度娘才写出来的，请大家给指点下。。。

 1 CREATE PROCEDURE [dbo].[sp_LaodDefaultFM]
 2 (
 3  @ExhID int ,
 4  @DefaultExhID INT,
 5 @Result INT
 6  )
 7 AS 
 8 BEGIN           
 9 --判断当前会话中临时表是否存在
10 if exists(select * from dbo.sysobjects where object_id(‘tempdb.dbo.#temp‘) is not null)
11  DROP TABLE #temp
12  ELSE
13  CREATE     TABLE #temp(FsvID INT,      FskID INT, FsvValue NVARCHAR(500)    )
14   if exists(select * from dbo.sysobjects where object_id(‘tempdb.dbo.#temp2‘) is not null)
15  delete from #temp2
16 declare @defaultfsv int    
17 INSERT  INTO #temp SELECT FsvID,FskID,FsvValue FROM dbo.FuncSetValue    WHERE ExhID=@DefaultExhID
18 
19 --开始事务
20 BEGIN TRAN
21 DECLARE @error INT
22 declare @suberror INT 
23 SET @error=0      SET @suberror=0
24 --声明游标
25 DECLARE fsvindex CURSOR FOR SELECT fsvid FROM #temp
26 --打开游标
27 OPEN fsvindex 
28  WHILE @@FETCH_STATUS=0
29 
30 BEGIN
31 --开始循环游标变量
32 FETCH NEXT FROM fsvindex INTO @defaultfsv
33 --执行操作
34 DECLARE @curfsvid INT 
35 INSERT dbo.FuncSetValue( FskID ,FsvValue ,FsvCreatetime ,ExhID )( SELECT FskID,FsvValue,GETDATE(),@ExhID FROM dbo.FuncSetValue WHERE FsvID=@defaultfsv)
36 SET @curfsvid=(SELECT @@IDENTITY)
37 IF @curfsvid>0
38 BEGIN
39 INSERT dbo.FuncSetSubValue( FssID ,FsvID ,FbvKey ,FbvValue ,FbvCreatime ,FbvOrderStr)( SELECT FssID,@curfsvid,FbvKey,FbvValue,GETDATE(),0 FROM dbo.FuncSetSubValue WHERE FsvID=@defaultfsv)SET @suberror=@suberror+@@ERROR
40 END
41 ELSE
42 BEGIN
43 SET @error=@error+1
44 END
45 END
46 
47 
48 IF @error=0 AND @suberror=0
49 BEGIN
50 SET @Result=1
51 COMMIT TRAN
52 END
53 ELSE
54 BEGIN
55 SET @Result=0
56 ROLLBACK TRAN
57 END
58 --关闭游标
59 CLOSE fsvindex
60 --释放游标
61 DEALLOCATE fsvindex
62 SELECT @Result
63      
64 
65 END
66 
67 
68 
69 
70 
71 GO

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