Question

以下是我的查询。我不确定是什么原因造成Not A group by expression错误。任何帮助深表感谢。 =）

SELECT 
    DTA_PRODUCAO AS AF002_DTA_PRODUCAO
,   COD_MATERIAL AS AD001_COD_MATERIAL 
,   COD_FILIAL AS AD004_COD_FILIAL
,   NVL(SUM(DQTD_CONSUMOT),0)  AS AF002_DQTD_CONSUMOT
,  (SELECT NVL(SUM(DQTD_CONSUMOT),0) FROM MYDB.DSO_TERMICO M WHERE M.COD_FILIAL = D.COD_FILIAL AND M.CODPRO = D.COD_MATERIAL   AND M.ZTL_DATA >= SUBSTR(D.DTA_PRODUCAO,0,6)||'01' AND M.ZTL_DATA <= D.DTA_PRODUCAO) AS AF002_MQTD_CONSUMOT
,  (SELECT NVL(SUM(DQTD_CONSUMOT),0) FROM MYDB.DSO_TERMICO M WHERE M.COD_FILIAL = D.COD_FILIAL AND M.CODPRO = D.COD_MATERIAL   AND M.ZTL_DATA >= SUBSTR(D.DTA_PRODUCAO,0,4)||'0101' AND M.ZTL_DATA <= D.DTA_PRODUCAO) AS AF002_AQTD_CONSUMOT
FROM
    (SELECT 
       DTA_PRODUCAO
       ,CODPRO AS COD_MATERIAL 
       ,COD_FILIAL AS COD_FILIAL 
      , CASE WHEN DAUX.ZTL_DATA = TMP.DTA_PRODUCAO THEN DAUX.DIACONSUMO ELSE 0 END AS DQTD_CONSUMOT
      FROM MYDB.DSO_TERMICO DAUX
      INNER JOIN (SELECT DISTINCT MYDB.DSO_TERMICO.ZTL_DATA AS DTA_PRODUCAO FROM MYDB.DSO_TERMICO) TMP ON SUBSTR(TMP.DTA_PRODUCAO,1,4)=SUBSTR(DAUX.ZTL_DATA,1,4))
  D
  GROUP BY 
  DTA_PRODUCAO,
  COD_MATERIAL,
  COD_FILIAL
  ORDER BY 2,1;

Answer 1

我想我明白发生了什么。这是你的子查询：

 (SELECT NVL(SUM(DQTD_CONSUMOT),0)
  FROM MYDB.DSO_TERMICO M
  WHERE M.COD_FILIAL = D.COD_FILIAL AND
        M.CODPRO = D.COD_MATERIAL   AND
        M.ZTL_DATA >= SUBSTR(D.DTA_PRODUCAO,0,6)||'01' AND 
        M.ZTL_DATA <= D.DTA_PRODUCAO
) AS AF002_MQTD_CONSUMOT

一切都看起来像犹太人。 where中提到的三个字段位于group by子句中。表达式DQTD_CONSUMOT（重要的是D.DQTD_CONSUMOT）不是，但它位于sum()中。可能是什么问题？

问题是这是一个标量子查询。因此编译器仅在子查询中解释sum()。它说“这个子查询想要对D.DQTD_CONSUMOT进行总结，但这不是group by表达式。错误！”。

你可以通过分解“常数”来解决这个问题：

 (SELECT count(*)
  FROM MYDB.DSO_TERMICO M
  WHERE M.COD_FILIAL = D.COD_FILIAL AND
        M.CODPRO = D.COD_MATERIAL   AND
        M.ZTL_DATA >= SUBSTR(D.DTA_PRODUCAO,0,6)||'01' AND 
        M.ZTL_DATA <= D.DTA_PRODUCAO
 ) *  NVL(SUM(DQTD_CONSUMOT),0) AS AF002_MQTD_CONSUMOT

我怀疑你也可以通过使用分析函数来解决这个问题。类似的东西：

sum(DQTD_CONSUMOT) over (partition by D.COD_FILIAL, D.COD_MATERIAL, SUBSTR(D.DTA_PRODUCAO,0,6))

或类似的东西。如果没有样本数据和结果，很难确切地知道这一切是做什么的。

Oracle - ＆gt;不是表达错误的组

1 个答案: