Question

我有这个查询

SELECT * 
FROM 
    (SELECT
         TT.RECID, TT.TRANSDATE,
         TT.DATAAREAID, TT.SOURCERECID,
         TT.SOURCECURRENCYCODE, TT.TAXAMOUNT,
         TT.TAXBASEAMOUNT, TT.TAXBASEAMOUNTCUR,
         TT.TAXAMOUNTCUR, TT.TAXORIGIN,
         TT.VOUCHER, TT.TAXITEMGROUP,
         TT.TAXCODE, TT.SOURCEBASEAMOUNTCUR,
         TT.SOURCETAXAMOUNTCUR,
         TTGJAERIVA.TAXTRANSRELATIONSHIP,
         TTGJAERIVA.GENERALJOURNALACCOUNTENTRY,
         TTGJAERIVA.LEDGERDIMENSION,
         GJAERIVA.TEXT,
         GJAERIVA.LEDGERDIMENSION AS LEDGERDIMENSIONGAE,
         GJAERIVA.POSTINGTYPE
     FROM 
         TAXTRANS TT 
     INNER MERGE JOIN 
         TAXTRANSGENERALJOURNALACCOUNTENTRY TTGJAERIVA ON TTGJAERIVA.TAXTRANS = TT.RECID
     INNER MERGE JOIN 
         GENERALJOURNALACCOUNTENTRY GJAERIVA ON TTGJAERIVA.GENERALJOURNALACCOUNTENTRY = GJAERIVA.RECID 
                                             AND GJAERIVA.POSTINGTYPE IN (14, 236, 71, 41) 
     WHERE  
         (TT.TAXORIGIN <> 11 
          AND TT.TRANSDATE BETWEEN '2015-01-01' AND '2015-04-30') 
         OR 
         (TT.TAXORIGIN = 11 
          AND TT.TRANSDATE BETWEEN '2015-01-01' AND '2015-04-30' )) AS T

---- --JOIN 
LEFT MERGE JOIN 
    (SELECT  
         SOURCERECID, TAXITEMGROUP, TAXCODE, 
         GENERALJOURNALACCOUNTENTRY, VOUCHER, TAXAMOUNT,
         TAXAMOUNTCUR 
     FROM 
         T) TTRIVA ON T.VOUCHER = TTRIVA.VOUCHER 
                   AND T.SOURCERECID = TTRIVA.SOURCERECID 
                   AND TT.TAXITEMGROUP = TTRIVA.TAXITEMGROUP 
                   AND (TTRIVA.TAXCODE LIKE 'RIVA%')
                   AND TTRIVA.GENERALJOURNALACCOUNTENTRY = TTGJAE.GENERALJOURNALACCOUNTENTRY

我收到错误：

无效的对象名称'T'。

进入子查询，就在左合并连接之后（在查询的最后）

---- --JOIN 
LEFT MERGE JOIN 
   (SELECT 
        SOURCERECID, TAXITEMGROUP, TAXCODE,
        GENERALJOURNALACCOUNTENTRY, VOUCHER,
        TAXAMOUNT, TAXAMOUNTCUR 
    FROM 
        T) TTRIVA ON T.VOUCHER = TTRIVA.VOUCHER 
                  AND T.SOURCERECID = TTRIVA.SOURCERECID 
                  AND TT.TAXITEMGROUP = TTRIVA.TAXITEMGROUP 
                  AND (TTRIVA.TAXCODE LIKE 'RIVA%')
                  AND TTRIVA.GENERALJOURNALACCOUNTENTRY = TTGJAE.GENERALJOURNALACCOUNTENTRY

如果我在加入之前使用'T'作为查询结果，我不知道为什么会出现这种情况？此致

Answer 1

与往常一样，仔细格式化有助于揭示SQL中的错误句法。

SELECT * FROM (
       SELECT
    TT.RECID,
    -- etc
    GJAERIVA.POSTINGTYPE
    FROM TAXTRANS TT 
    INNER MERGE JOIN TAXTRANSGENERALJOURNALACCOUNTENTRY TTGJAERIVA
          ON TTGJAERIVA.TAXTRANS = TT.RECID
    INNER MERGE JOIN GENERALJOURNALACCOUNTENTRY GJAERIVA
          ON TTGJAERIVA.GENERALJOURNALACCOUNTENTRY = GJAERIVA.RECID 
          AND GJAERIVA.POSTINGTYPE IN( 14,236,71,41
) -- as ????
WHERE   
    (TT.TAXORIGIN <> 11 AND 
     TT.TRANSDATE BETWEEN '2015-01-01' AND '2015-04-30')
OR  (TT.TAXORIGIN = 11 AND 
     TT.TRANSDATE BETWEEN '2015-01-01' AND '2015-04-30')

) AS T
---- --JOIN 
     LEFT MERGE JOIN  --- etc.

第一个)子句之前的结束WHERE可能不是你想要的。

SQL是一种声明性语言。如果你做的话，它会更容易使用声明尽可能清楚地告诉读者。例如，通过重新格式化查询，我们可以很容易地看到WHERE子句可以简化为

WHERE TT.TRANSDATE BETWEEN '2015-01-01' AND '2015-04-30'

因为每个TT.TAXORIGIN等于或等于11。

尝试实现子查询时查询错误

1 个答案: