错误: ORA-00923: FROM关键字未在预期的位置找到

Question

我尝试从带有记录计数的oracle sql表中获取数据。我试过这样做，

SELECT  *,
        (COUNT(BRAND_ID) AS TOTAL) 
FROM    
(
    SELECT  BRAND_ID, 
            BRAND_CODE,      
            BRAND_TITLE 
    FROM    BRAND 
    WHERE   ACTIVE = '1' 
    ORDER BY BRAND_TITLE ASC 
    OFFSET 10 ROWS 
    FETCH NEXT 10 ROWS ONLY 
) BRAND 
LEFT JOIN 
((
    SELECT  PRODUCT_ID, 
            PRODUCT_SKU_ID, 
            PRODUCT_WEB_ID, 
            PRODUCT_TITLE, 
            PRODUCT_SALES_PRICE, 
            PRODUCT_REGULAR_PRICE, 
            PRODUCT_RATING 
    FROM    PRODUCT 
    WHERE   
    (
        PRODUCT_TYPE='B' 
    OR  PRODUCT_TYPE='R' 
    ) 
    AND AVAILABILITY='1' 
)  PRDUCT ) ON BRAND.BRAND_CODE= PRDUCT.BRAND_CODE

当我执行这个时，我得到了以下错误，

错误: ORA-00923: FROM关键字未在预期的位置找到

我该怎么解决这个问题。

提前谢谢！

Answer 1

在select语句中使用aggreagte函数。因此，不能简单地为其他列调用Select *。

1. 首先，您应该为为轻松选择的内部列提供一个别名。
2. 然后选择外部的列，选择
3. 因为Select中的一个列是使用agg函数，所以Group应该由select中的其他列来完成。

为了方便起见，我给专栏取名为c2，c3....rename就像你想要的那样。如果没有提供别名，则可以指定列。

 SELECT c2,c3,c4,c5,c6,c7,c8,c9,c10,
            COUNT(BRAND_ID) AS TOTAL 
    FROM    
    (
        SELECT  BRAND_ID ,
                BRAND_CODE AS c2,      
                BRAND_TITLE AS c3
        FROM    BRAND 
        WHERE   ACTIVE = '1' 
        ORDER BY BRAND_TITLE ASC 
        OFFSET 10 ROWS 
        FETCH NEXT 10 ROWS ONLY 
    ) BRAND 
    LEFT JOIN 
    ((
        SELECT  PRODUCT_ID AS c4, 
                PRODUCT_SKU_ID AS c5, 
                PRODUCT_WEB_ID AS c6, 
                PRODUCT_TITLE AS c7, 
                PRODUCT_SALES_PRICE AS c8, 
                PRODUCT_REGULAR_PRICE AS c9, 
                PRODUCT_RATING  AS c10
        FROM    PRODUCT 
        WHERE   
        (
            PRODUCT_TYPE='B' 
        OR  PRODUCT_TYPE='R' 
        ) 
        AND AVAILABILITY='1' 
    )  PRDUCT ) ON BRAND.BRAND_CODE= PRDUCT.BRAND_CODE
    Group By c2,c3,c4,c5,c6,c7,c8,c9,c10 

Answer 2

我没有12c，所以不能测试，但也许这就是你想要的？

SELECT  *
FROM    
(
    SELECT  BRAND_ID, 
            BRAND_CODE,      
            BRAND_TITLE 
    FROM    (select b.*,
                    count(brand_id) over () total
             from   BRAND b
    WHERE   ACTIVE = '1' 
    ORDER BY BRAND_TITLE ASC 
    OFFSET 10 ROWS 
    FETCH NEXT 10 ROWS ONLY 
) BRAND 
LEFT JOIN 
((
    SELECT  PRODUCT_ID, 
            PRODUCT_SKU_ID, 
            PRODUCT_WEB_ID, 
            PRODUCT_TITLE, 
            PRODUCT_SALES_PRICE, 
            PRODUCT_REGULAR_PRICE, 
            PRODUCT_RATING 
    FROM    PRODUCT 
    WHERE   
    (
        PRODUCT_TYPE='B' 
    OR  PRODUCT_TYPE='R' 
    ) 
    AND AVAILABILITY='1' 
)  PRDUCT ) ON BRAND.BRAND_CODE= PRDUCT.BRAND_CODE;

这将使用一个分析查询来获取整个表中所有brand_ids的计数，然后再过滤行。但是，我不确定您是否想要每个brand_id的计数(count(*) over (partititon by brand_id)或distinct brand_ids (count(distinct brand_id) over ()) )，所以您必须使用count函数来获得所要的结果。