Question

有一段时间，我已经有了一个已经工作了一个月的SQL块：

SELECT 
    F.[BRANCH] AS REGION
    , F.[ACCOUNT]
    , F.[EFFECTIVE]
    , F.[POLICY]
    , F.[DESC2]
    , F.[DESC4]
    , F.[GROSS]
    , F.[COMM]
    , F.[GST ON COMM]
    , F.[ENTRYDATE]
    , I.[TYPE] 
FROM (
    (SELECT [POLP - Detailed Debtors Import].* 
     FROM [POLP - Detailed Debtors Import]  
     WHERE [POLP - Detailed Debtors Import].[EFFECTIVE] <= DateValue("30/05/2012")  
        AND [POLP - Detailed Debtors Import].[GROSS] >= 0  
        AND [POLP - Detailed Debtors Import].[DESC4] IN ('RNWL', 'NEWB', 'EP')  
        AND [POLP - Detailed Debtors Import].[DUEYR] = 2012) AS F 
        INNER JOIN (SELECT IPM_ACCTXREF.* FROM IPM_ACCTXREF  
                        WHERE IPM_ACCTXREF.TYPE 
                            IN (SELECT [Evolve - Account Types].[Account Types] 
                                FROM [Evolve - Account Types])
                        ) AS I ON F.[ACCOUNT] = I.[ACCOUNT]
    ) 
    LEFT JOIN (SELECT  [POLP - Detailed Debtors Import].* 
                  FROM [POLP - Detailed Debtors Import]  
                  WHERE [POLP - Detailed Debtors Import].[DESC4] IN ('CS', 'CANC', 'JL')
                  ) AS S ON F.[POLICY] = S.[POLICY] 
WHERE S.[POLICY] IS NULL

然后我想对DateValue参数进行更改（这就像改变说法一样简单，5到6）。

问题是我在JOIN操作中得到“语法错误”重复三次。单击它们中的每一个，查询然后显示结果表但是带有“#Name？”填写在每个领域。

不确定这里发生了什么......

Answer 1

您应该重写查询，明确您需要的字段，而不是仅仅使用*。

SELECT F.REGION,
       F.ACCOUNT,
       F.EFFECTIVE,
       F.POLICY,
       F.DESC2,
       F.DESC4,
       F.GROSS,
       F.COMM,
       F.[GST ON COMM],
       F.ENTRYDATE,
       I.[TYPE]
FROM   ( (SELECT BRANCH AS REGION,
               ACCOUNT,
               EFFECTIVE,
               POLICY,
               DESC2,
               DESC4,
               GROSS,
               COMM,
               [GST ON COMM],
               ENTRYDATE
        FROM   [POLP - Detailed Debtors Import]
        WHERE  EFFECTIVE<=Datevalue("30/05/2012")
               AND GROSS>=0
               AND DESC4 IN ('RNWL', 'NEWB', 'EP')
               AND DUEYR=2012) AS F
         INNER JOIN (SELECT [TYPE],
                            ACCOUNT
                     FROM   IPM_ACCTXREF
                     WHERE  [TYPE] IN (SELECT [Account Types]
                                       FROM   [Evolve - Account Types])) AS I
           ON F.ACCOUNT=I.ACCOUNT )
       LEFT JOIN (SELECT POLICY
                  FROM   [POLP - Detailed Debtors Import]
                  WHERE  DESC4 IN ('CS', 'CANC', 'JL')) AS S
         ON F.POLICY=S.POLICY
WHERE  S.POLICY IS NULL

由于LEFT JOIN中的S数据实际上并未在主SELECT语句中使用，因此TYPE的目的有点迷失。

您还使用名称{{1}}作为字段名称，这是一个保留字。

Answer 2

将查询分解为子查询（通过所有讨厌的嵌套SELECT语句）修复了问题。但不知道原因是什么（它确实用于工作）。

模糊的“连接操作中的语法错误” - Access 2003

2 个答案: