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1 --ÏÂÃæµÄ´úÂëÉú³É³¤¶ÈΪ8µÄ±àºÅ£¬±àºÅÒÔBH¿ªÍ·£¬ÆäÓà6λΪÁ÷Ë®ºÅ¡£
2 --µÃµ½Ð±àºÅµÄº¯Êý
3 CREATE FUNCTION f_NextBH()
4 RETURNS char(8)
5 AS
6 BEGIN
7 RETURN(SELECT 'BH'+RIGHT(1000001+ISNULL(RIGHT(MAX(BH),6),0),6) from tb WITH(XLOCK,PAGLOCK))
8 END
9 GO
10
11 --ÔÚ±íÖÐÓ¦Óú¯Êý
12 CREATE TABLE tb(
13 BH char(8) PRIMARY KEY DEFAULT dbo.f_NextBH(),
14 col int)
15
16 --²åÈë×ÊÁÏ
17 BEGIN TRAN
18 INSERT tb(col) VALUES(1)
19 INSERT tb(col) VALUES(2)
20 INSERT tb(col) VALUES(3)
21 DELETE tb WHERE col=3
22 INSERT tb(col) VALUES(4)
23 INSERT tb(BH,col) VALUES(dbo.f_NextBH(),14)
24 COMMIT TRAN
25
26 --ÏÔʾ½á¹û
27 SELECT * from tb
28 /*--½á¹û
29 BH col
30 ---------------- -----------
31 BH000001 1
32 BH000002 2
33 BH000003 4
34 BH000004 14
35 --*/
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BEGIN TRAN
INSERT FS_Roles (RolesID,Roles) VALUES (@RolesID,@Roles)
COMMIT TRAN
SET @ID=1
END TRY
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END CATCH
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