sql server 存储过程

 1 create procedure delete_date
 2 (
 3     @applycode nvarchar
 4 )
 5 as
 6  --声明变量 定义变量用逗号隔开
 7   declare @applycode_var nvarchar(100),
 8   @instanceid_var nvarchar(100),
 9   @t_ywsloid_var nvarchar(100),
10   @areaPart_oid nvarchar(100),
11   @areaPartoid nvarchar(100)
12 begin
13   --查出 工作流实例
14   select @instanceid_var=Instanceid from t_ywsl where applycode=@applycode
15   --删除 工作流实例对应的任务表（待办和已办）
16   delete from AssignTask where AssignTasK.Instanceid=@instanceid_var
17   commit
18   --查询业务受理oid
19   select @t_ywsloid_var=t_ywsloid from t_ywsl where applycode=@applycode
20 
21   --循环删除对应的坐标范围
22   --sql server
23   --定义游标
24   declare my_cursor cursor
25   --读取数据放到游标中
26   for(select AreaPartoid from AreaPart where T_YWSLOID=@t_ywsloid_var)
27   --打开游标
28   open my_cursor
29   --读取集合中的第一行数据
30   fetch next from my_cursor into @areaPart_oid
31   --全局变量,0表示fetch语句成功；-1表示语句失败或此行不在结果集中；-2被提取的行不存在
32   while @@FETCH_STATUS=0
33     begin
34        delete from AreaPoints where AreaPartOID=@areaPart_oid
35        commit
36        --读取下一行
37        fetch next from my_cursor into @areaPart_oid
38     end
39   close my_cursor
40   deallocate my_cursor
41   
42   --删除对应的地块列表
43   delete from AreaPart where T_YWSLOID=@t_ywsloid_var
44   commit
45   --删除对应的附件管理
46   delete from FileManage where T_YWSL_FK=@t_ywsloid_var
47   commit
48   --审批意见
49   delete from SPYJ where T_YWSL_FK=@t_ywsloid_var
50   commit
51   --流程意见
52   --工作流实例记录本
53   delete from FlowInstance where Instanceid=@instanceid_var;
54   commit
55   --活动转移条件集
56   declare t_cursor cursor for 
57   select TaskTicketoid from TaskTicket where Instanceid=@instanceid_var
58   open t_cursor
59   fetch next from t_cursor into @areaPartoid
60   while @@FETCH_STATUS=0
61    begin 
62      delete from TransConditionEx where TaskTicket_FK=@areaPartoid
63      commit
64      fetch next from t_cursor into @areaPartoid
65    end
66   close t_cursor
67   deallocate t_cursor 
68   --任务表
69   delete from TaskTicket where Instanceid=@instanceid_var
70   commit
71   --业务受理表
72   delete from t_ywsl where applycode=@applycode
73   commit
74 end