遍历查询结果集，update数据

Posted 2020-10-17 坚持

 

 1 set rowcount 0
 2 select NULL mykey, * into #mytemp from  dbo.DIM_DISTRIBUTOR
 3 
 4 set rowcount 1
 5 update #mytemp set mykey = 1
 6 
 7 declare @i int 
 8 set @i=1    
 9 while @@rowcount > 0
10 begin
11     set rowcount 0
12     select * from #mytemp where mykey = 1
13   
14     declare @zj varchar(222)
15         select @zj=DISTRIBUTORID from #mytemp where mykey = 1
16          print @i
17     
18      update DIM_DISTRIBUTOR set NAME=‘用户测试数据‘+CAST(@i as varchar(222))    where DISTRIBUTORID=@zj
19     
20     set @i=@i+1 
21     delete #mytemp where mykey = 1
22     set rowcount 1
23     update #mytemp set mykey = 1
24 end
25 set rowcount 0

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