[英]Oracle SQL - “Not a group by expression” after adding CASE statements
I have long query to which I had to add two new CASE statements - 我有很长的查询,不得不向其中添加两个新的CASE语句-
SELECT nt.COSTCENTER,
s.DAD,
s.DIVISION,
nt.DISPENSER,
UPPER(nt.TINTERSERIALNBR),
COUNT(*)OVER (PARTITION BY nt.COSTCENTER) AS NumOfDispensers,
nt.CLRNTSYS,
SUM(CASE WHEN
(nt.CLRNTSYS ='CCE' AND (nt.BOOKDATE >= '01-JAN-17' AND nt.BOOKDATE <= '31-DEC-17'))
THEN nt.GALLONS ELSE 0 END) AS CCEGallons2017,
SUM(CASE WHEN
(nt.CLRNTSYS ='BAC' AND (nt.BOOKDATE >= '01-JAN-17' AND nt.BOOKDATE <= '31-DEC-17'))
THEN nt.GALLONS ELSE 0 END) AS BACGallons2017,
SUM(CASE WHEN
(nt.CLRNTSYS ='CCE' AND (nt.BOOKDATE >= '01-JAN-18' AND nt.BOOKDATE <= '31-DEC-18'))
THEN nt.GALLONS ELSE 0 END) AS CCEGallons2018,
SUM(CASE WHEN
(nt.CLRNTSYS ='BAC' AND (nt.BOOKDATE >= '01-JAN-18' AND nt.BOOKDATE <= '31-DEC-18'))
THEN nt.GALLONS ELSE 0 END) AS BACGallons2018,
CASE WHEN to_char(tm.DNRDATE,'YYYY') = '2017' THEN 'YES' ELSE 'NO' END DNR2017,
CASE WHEN to_char(tm.DNRDATE,'YYYY') = '2018' THEN 'YES' ELSE 'NO' END DNR2018
FROM MQ_CDS_NETTRAN nt
INNER JOIN MQCCNSTORE s
ON nt.COSTCENTER = s.COSTCENTER
INNER JOIN TINTER_MASTER tm
ON UPPER(nt.TINTERSERIALNBR) = UPPER(tm.SERIALNBR)
WHERE nt.BOOKDATE >= '01-JAN-17'
AND nt.CLRNTSYS IN ('CCE','BAC')
AND nt.TRANCODE = 'DISP'
AND UPPER(nt.DISPENSER) <> 'BYHAND'
AND UPPER(nt.DISPENSER) <> 'STANDALONE'
AND tm.DECOMMDATE IS NULL
GROUP BY nt.COSTCENTER, nt.DISPENSER, UPPER(nt.TINTERSERIALNBR), nt.CLRNTSYS,
s.DAD, s.DIVISION
ORDER BY nt.COSTCENTER, nt.DISPENSER, UPPER(nt.TINTERSERIALNBR), nt.CLRNTSYS;
These are the two CASE lines I added to the query: 这是我添加到查询中的两条CASE行:
CASE WHEN to_char(tm.DNRDATE,'YYYY') = '2017' THEN 'YES' ELSE 'NO' END DNR2017,
CASE WHEN to_char(tm.DNRDATE,'YYYY') = '2018' THEN 'YES' ELSE 'NO' END DNR2018
And when I try to run the query, I get "Not a group by expression." 当我尝试运行查询时,出现“不是按表达式分组”。 Prior to adding those two lines, the query ran just fine. 在添加这两行之前,查询运行得很好。 How to best correct this? 如何最好地纠正这个问题?
You need to let CASE WHEN
add in group by
, Because CASE WHEN
isn't aggregate function. 您需要让CASE WHEN
添加到group by
,因为CASE WHEN
不是聚合函数。
SELECT nt.COSTCENTER,
s.DAD,
s.DIVISION,
nt.DISPENSER,
UPPER(nt.TINTERSERIALNBR),
COUNT(*)OVER (PARTITION BY nt.COSTCENTER) AS NumOfDispensers,
nt.CLRNTSYS,
SUM(CASE WHEN
(nt.CLRNTSYS ='CCE' AND (nt.BOOKDATE >= '01-JAN-17' AND nt.BOOKDATE <= '31-DEC-17'))
THEN nt.GALLONS ELSE 0 END) AS CCEGallons2017,
SUM(CASE WHEN
(nt.CLRNTSYS ='BAC' AND (nt.BOOKDATE >= '01-JAN-17' AND nt.BOOKDATE <= '31-DEC-17'))
THEN nt.GALLONS ELSE 0 END) AS BACGallons2017,
SUM(CASE WHEN
(nt.CLRNTSYS ='CCE' AND (nt.BOOKDATE >= '01-JAN-18' AND nt.BOOKDATE <= '31-DEC-18'))
THEN nt.GALLONS ELSE 0 END) AS CCEGallons2018,
SUM(CASE WHEN
(nt.CLRNTSYS ='BAC' AND (nt.BOOKDATE >= '01-JAN-18' AND nt.BOOKDATE <= '31-DEC-18'))
THEN nt.GALLONS ELSE 0 END) AS BACGallons2018,
CASE WHEN to_char(tm.DNRDATE,'YYYY') = '2017' THEN 'YES' ELSE 'NO' END DNR2017,
CASE WHEN to_char(tm.DNRDATE,'YYYY') = '2018' THEN 'YES' ELSE 'NO' END DNR2018
FROM MQ_CDS_NETTRAN nt
INNER JOIN MQCCNSTORE s ON nt.COSTCENTER = s.COSTCENTER
INNER JOIN TINTER_MASTER tm ON UPPER(nt.TINTERSERIALNBR) = UPPER(tm.SERIALNBR)
WHERE
nt.BOOKDATE >= '01-JAN-17'
AND nt.CLRNTSYS IN ('CCE','BAC')
AND nt.TRANCODE = 'DISP'
AND UPPER(nt.DISPENSER) <> 'BYHAND'
AND UPPER(nt.DISPENSER) <> 'STANDALONE'
AND tm.DECOMMDATE IS NULL
GROUP BY
nt.COSTCENTER,
nt.DISPENSER,
UPPER(nt.TINTERSERIALNBR),
nt.CLRNTSYS,
s.DAD,
s.DIVISION,
CASE WHEN to_char(tm.DNRDATE,'YYYY') = '2017' THEN 'YES' ELSE 'NO' END,
CASE WHEN to_char(tm.DNRDATE,'YYYY') = '2018' THEN 'YES' ELSE 'NO' END
ORDER BY nt.COSTCENTER, nt.DISPENSER, UPPER(nt.TINTERSERIALNBR), nt.CLRNTSYS;
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