这个存储过程有问题吗?为什么print打印不出来值
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO
ALTER PROCEDURE [dbo].[updateCjxm] AS
BEGIN
declare @name varchar(200)
declare @bzz varchar(200)
declare @jcz varchar(100)
declare @iguid varchar (200)
declare @str varchar(5000)
DECLARE cjxmjg cursor for select [name],bzz,jcz,iguid from 抽检项目录入 where b271='不合格'
OPEN cjxmjg
Fetch next from cjxmjg into @name,@bzz,@jcz,@iguid
WHILE @@FETCH_STATUS=0
begin
set @str=@name+':'+@bzz+'/'+@jcz;
print @str
begin
update 抽查结果信息表录入 set b28=@str where iguid=@iguid
end
Fetch next from cjxmjg into @name,@bzz,@jcz,@iguid
end
CLOSE cjxmjg
DEALLOCATE cjxmjg
END
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO
[解决办法]
你的句
select [name],bzz,jcz,iguid from 抽检项目录入 where b271='不合格'--查看一下果是否有 null
[解决办法]
在 set @str=@name+':'+@bzz+'/'+@jcz; 位置打个断点 debug 下 看看 @str 有值没 可能你select 的字段数据类型与你定义的不一致
[解决办法]
select @name+':'+@bzz+'/'+@jcz --把print改为 select 看看有没有值
[解决办法]
- SQL code
ALTER PROCEDURE [dbo].[updateCjxm]AS BEGIN DECLARE @name VARCHAR(200) DECLARE @bzz VARCHAR(200) DECLARE @jcz VARCHAR(100) DECLARE @iguid VARCHAR(200) DECLARE @str VARCHAR(5000) DECLARE cjxmjg CURSOR FOR --这个里面有数据? SELECT [name],bzz,jcz,iguid FROM 抽检项目录入 WHERE b271='不合格' OPEN cjxmjg FETCH NEXT FROM cjxmjg INTO @name,@bzz,@jcz,@iguid WHILE @@FETCH_STATUS = 0 BEGIN SET @str = @name + ':' + @bzz + '/' + @jcz ; PRINT @str BEGIN UPDATE 抽查结果信息表录入 SET b28 = @str WHERE iguid = @iguid END FETCH NEXT FROM cjxmjg INTO @name,@bzz,@jcz,@iguid END CLOSE cjxmjg DEALLOCATE cjxmjg END