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  • sql节点转换

    create table #temp3
    (
    node char(50),
    name varchar(10)
    )
    declare  cursor1  cursor  for  
    select node,name from T_1

    declare  @node  nchar(10);
    declare  @name  nchar(10);
    declare @node_after varchar(30);
    declare @node_bef char(4);
    declare @dot char(1);
    declare @num int;
    declare @i int;


    open cursor1;
    fetch next from cursor1 into @node,@name;

    while @@FETCH_STATUS = 0
    begin      
         set @node_after = '';
         set @dot = '-'    
         set @num = CAST(SUBSTRING(@node,3,3) as int);
         set @node_bef = SUBSTRING(@node,1,2);     
         set @i = 1
         
         while @i <= @num
           begin
             if @i = @num
               begin
                  set @dot = ''
               end
             set @node_after = @node_after + @node_bef + CAST(@i AS CHAR(1)) + @dot;
             set @i = @i + 1;    
           end
         insert into #temp3(node,name) values (@node_after,@name);  
         fetch next from cursor1  into @node, @name;
    end

    close cursor1;
    deallocate cursor1;

    SELECT * FROM #temp3
    DROP TABLE #temp3;

    工欲善其事,必先利其器。
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  • 原文地址:https://www.cnblogs.com/zhangzhu/p/2618166.html
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