SQL按总和和空值分组
我有一个查询,它通过SQL按总和和空值分组,sql,sql-server,group-by,Sql,Sql Server,Group By,我有一个查询,它通过GROUP BY获取某个日期的数量之和,但该查询给我的是NULL结果,而不是聚合某些值 以下是查询: Select VPC.Armazem as TARMA ,YEAR(VPC.data) as DataTotal ,CASE WHEN VP.combustivel = 1 THEN ISNULL(SUM(VPL.QTD), 0) END as ADITIVADA ,CASE WHEN VP.combustivel = 2 THEN IS
GROUP BY
获取某个日期的数量之和,但该查询给我的是NULL
结果,而不是聚合某些值
以下是查询:
Select
VPC.Armazem as TARMA
,YEAR(VPC.data) as DataTotal
,CASE WHEN VP.combustivel = 1 THEN ISNULL(SUM(VPL.QTD), 0) END as ADITIVADA
,CASE WHEN VP.combustivel = 2 THEN ISNULL(SUM(VPL.QTD), 0) END as X98
,CASE WHEN VP.combustivel = 3 THEN ISNULL(SUM(VPL.QTD), 0) END as X95
,CASE WHEN VP.combustivel = 4 THEN ISNULL(SUM(VPL.QTD), 0) END as XGAS
,CASE WHEN VP.combustivel = 5 THEN ISNULL(SUM(VPL.QTD), 0) END as XGPL
,CASE WHEN VP.combustivel = 6 THEN ISNULL(SUM(VPL.QTD), 0) END as XAGR
,CASE WHEN VP.combustivel = 7 THEN ISNULL(SUM(VPL.QTD), 0) END as MISTURA
,CASE WHEN VP.combustivel = 9 THEN ISNULL(SUM(VPL.QTD), 0) END as XAQ
,CASE WHEN VP.combustivel = 10 THEN ISNULL(SUM(VPL.QTD), 0) END as ADIESEL
,CASE WHEN VP.combustivel = 11 THEN ISNULL(SUM(VPL.QTD), 0) END as ADBLUE
,CASE WHEN VP.combustivel = 12 THEN ISNULL(SUM(VPL.QTD), 0) END as O95
,CASE WHEN VP.combustivel = 13 THEN ISNULL(SUM(VPL.QTD), 0) END as O98
FROM
where
(MONTH(VPC.data) >= MONTH('2015-09-01') AND MONTH(VPC.data) <= MONTH('2015-09-01'))
and (YEAR(VPC.data) >= YEAR('2014-09-01') AND YEAR(VPC.data) <= YEAR('2015-09-01'))
and (VPT.armazem='454' or Len('454')=0)
and FACT_VD NOT IN ('A', 'I', 'G', 'M')
GROUP BY
YEAR(VPC.data)
,VPC.Armazem
,VP.combustivel
ORDER BY
VPC.Armazem
,YEAR(VPC.data)
选择
VPC.Armazem as TARMA
,年份(专有网络数据)作为数据总计
,当VP.combustivel=1时,则为null(和(VPL.QTD),0)以ADITIVADA结尾
,当VP.combustivel=2时,则为NULL(和(VPL.QTD),0)结束为X98
,当VP.combustivel=3时,则为NULL(总和(VPL.QTD),0)结束为X95
,当VP.combustivel=4时,则为NULL(总和(VPL.QTD),0)以XGAS结束
,当VP.combustivel=5时,则为NULL(和(VPL.QTD),0)结束为XGPL
,当VP.combilivel=6时,则为null(SUM(VPL.QTD),0)以XAGR结束
,当VP.combustivel=7时,则为NULL(和(VPL.QTD),0)结束为MISTURA
,当VP.combilivel=9时,则为null(和(VPL.QTD),0)以XAQ结束
,当VP.combustivel=10时,则为NULL(总和(VPL.QTD),0)以ADIESEL结束
,当VP.combustivel=11时,则为NULL(总和(VPL.QTD),0)以ADBLUE结束
,当VP.combustivel=12时,则为空(和(VPL.QTD),0)结束为O95
,当VP.combustivel=13时,则为NULL(总和(VPL.QTD),0)结束为O98
从…起
哪里
(月(专有网络数据)>=月('2015-09-01')和月(专有网络数据)=年('2014-09-01')和年(专有网络数据)我怀疑您需要条件聚合:
Select VPC.Armazem as TARMA, YEAR(VPC.data) as DataTotal,
SUM(CASE WHEN VP.combustivel = 1 THEN VPL.QTD ELSE 0 END) as ADITIVADA,
SUM(CASE WHEN VP.combustivel = 2 THEN VPL.QTD ELSE 0 END) as X98,
. . .
FROM . . .
GROUP BY YEAR(VPC.data), VPC.Armazem
. . .
请注意,VP.combustivel
不在GROUP BY
中,请从SELECT列表(聚合函数参数除外)和GROUP BY.Yup中删除其他列!完成了!谢谢:)