Question

我收到此错误

信息8156，第16层，状态1，第67行
多次为“ cte”指定了“ MANDT”列。”

当尝试运行下面的代码时，但是我没有在查询中包括列MANDT。我要调用的两个表都具有列MANDT，但它们也都具有列STAT，并且另一个表尝试进行相同的联接时我没有问题，唯一的问题是该表没有MANDT，只有STAT是相同的。

我尝试同时包含别名为MANDT和JCDS_SOGR.MANDT as Client的两个列TJ30T.MANDT as Client2，但并没有成功。得到了相同的错误消息。

;WITH cte AS
(
    SELECT
        ROW_NUMBER() OVER (PARTITION BY STAT ORDER BY UDATE) AS Rn,
        *,
        LAG(UDATE) OVER (PARTITION BY STAT ORDER BY UDATE) AS PrevUDate,
        COUNT(*) OVER (PARTITION BY STAT) AS [Count]
    FROM
        JCDS_SOGR
    JOIN
        TJ30T on JCDS_SOGR.STAT = TJ30T.ESTAT
    WHERE
        OBJNR = 'IE000000000010003137'
)
SELECT
    MAX(rn) AS [Count],
    OBJNR, STAT, TXT30,
    SUM(CASE 
           WHEN rn % 2 = 0 
              THEN DATEDIFF(d, PrevUDate, UDATE) 
           WHEN rn = [Count] 
              THEN  DATEDIFF(d, UDATE, GETDATE())   
           ELSE 0 
        END) AS DIF
FROM
    cte
GROUP BY
    OBJNR, STAT, TXT30

这是我提到的另一个查询，该查询在相同的代码下也可以正常工作。

;with cte
AS
(
    select ROW_NUMBER() OVER(partition by STAT Order by UDATE ) as Rn  
      , *
      , LAG(UDATE) OVER(partition by STAT Order by UDATE ) As PrevUDate
      , COUNT(*) OVER(partition by STAT) As [Count]
    from JCDS_SOGR
    join TJ02T on JCDS_SOGR.STAT = TJ02T.ISTAT
    where OBJNR = 'IE000000000010003137'
    and TJ02T.SPRAS = 'E'
)
select Max(rn) As [Count]
  , OBJNR,STAT,TXT30 
  , SUM(CASE WHEN rn%2=0 THEN DATEDIFF(d,PrevUDate,UDATE) 
    WHEN rn=[Count] THEN  DATEDIFF(d,UDATE,getDate())   
    ELSE 0 END) as DIF
from cte
group BY OBJNR, STAT,TXT30

预期结果是

[COUNT   OBJNR                  STAT    TXT30           DIF
1   IE000000000010003137    I0099   Available   2810][1]

Answer 1

在CTE中，您选择*。因此，如果有两个名为MANDT的列，则可能会导致冲突。去掉 *。那应该可以解决您描述的问题。

Mandt指定多次，但未在查询中

1 个答案: