警告:SQL中的聚合或其他集合操作会消除空值
很抱歉,在堆栈溢出上已经有很多问题了。 但是他们没有解决我关于空值的问题 我想从输出中消除空值 我已经在我的查询中使用了下面的技术,但问题仍然没有解决警告:SQL中的聚合或其他集合操作会消除空值,sql,sql-server,tsql,isnull,Sql,Sql Server,Tsql,Isnull,很抱歉,在堆栈溢出上已经有很多问题了。 但是他们没有解决我关于空值的问题 我想从输出中消除空值 我已经在我的查询中使用了下面的技术,但问题仍然没有解决 SET ANSI_WARNINGS OFF;** SUM(CASE WHEN [qty] IS NULL THEN 0 ELSE qty END) AS [qty] 这是我的问题 SET ANSI_WARNINGS ON; DECLARE @cols nvarchar(max), @query n
SET ANSI_WARNINGS OFF;**
SUM(CASE WHEN [qty] IS NULL THEN 0 ELSE qty END) AS [qty]
这是我的问题
SET ANSI_WARNINGS ON;
DECLARE @cols nvarchar(max),
@query nvarchar(max),
@Date DATETIME
SET @Date = DATEADD(mm, -6, CURRENT_TIMESTAMP);
WITH cte AS
(
SELECT 0 AS TheMonth
UNION ALL
SELECT TheMonth + 1
FROM cte
WHERE TheMonth < 5
)
SELECT TheMonth
INTO #temp
FROM cte
SELECT @cols = STUFF((SELECT distinct ',' + QUOTENAME(A.warehouse_name)
from RS_Company_Warehouse_Master a
FOR XML PATH(''), TYPE
).value('.', 'NVARCHAR(MAX)')
,1,1,'')
SET ANSI_WARNINGS OFF;
SELECT @query = 'SELECT
LEFT(DATENAME(MONTH,DATEADD(MONTH,TheMonth -6 + 1,GETDATE())),3) AS [month],
DATEPART(YEAR,DATEADD(MONTH,TheMonth - 6 + 1 ,GETDATE())) AS [year],
'+@cols+'
from
(
SELECT
TheMonth,
SUM(CASE WHEN [qty] IS NULL THEN 0 ELSE qty END) AS [qty],
warehouse_name
FROM
#temp
LEFT OUTER JOIN RS_Sell_Order_Master AS SM ON invoice_date >= DATEADD(MM, TheMonth, '''+convert(varchar(10), @Date, 120)+''')
AND invoice_date < DATEADD(MM, TheMonth + 1, '''+convert(varchar(10), @Date, 120)+''')
LEFT OUTER JOIN RS_Company_Warehouse_Master AS CWM ON CWM.c_warehouse_id = SM.c_warehouse_id
LEFT OUTER JOIN RS_Sells_Invoice_Info_Master AS SIIM ON SIIM.sell_order_no = SM.sell_order_no
GROUP BY
CWM.warehouse_name,
TheMonth
) as a
PIVOT
(
sum(qty) for warehouse_name
IN ('+@cols+')
) AS P
'
execute sp_executesql @query;
DROP TABLE #temp
输出:
创建两个@cols列表。在一个示例中,在最终数据透视列中添加为空检查,如下所示:
DECLARE @colsFinal nvarchar(max)
SET @colsFinal = N''
SELECT @colsFinal = STUFF((SELECT distinct ',' +
'ISNULL ( ''' + QUOTENAME(A.warehouse_name) +''', 0) as '
+ QUOTENAME(A.warehouse_name)
from RS_Company_Warehouse_Master a
FOR XML PATH(''), TYPE).value('.', 'NVARCHAR(MAX)')
,1,1,'')
and change your main query as:
SELECT @query = 'SELECT
LEFT(DATENAME(MONTH,DATEADD(MONTH,TheMonth -6 + 1,GETDATE())),3) AS [month],
DATEPART(YEAR,DATEADD(MONTH,TheMonth - 6 + 1 ,GETDATE())) AS [year],
'+@colsFinal+'
from
(
SELECT
TheMonth,
SUM(CASE WHEN [qty] IS NULL THEN 0 ELSE qty END) AS [qty],
warehouse_name
FROM
#temp
LEFT OUTER JOIN RS_Sell_Order_Master AS SM ON invoice_date
>= DATEADD(MM, TheMonth, '''+convert(varchar(10), @Date, 120)+''')
AND invoice_date < DATEADD(MM, TheMonth + 1, '''
+convert(varchar(10), @Date, 120)+''')
LEFT OUTER JOIN RS_Company_Warehouse_Master AS CWM ON CWM.c_warehouse_id = SM.c_warehouse_id
LEFT OUTER JOIN RS_Sells_Invoice_Info_Master AS SIIM ON SIIM.sell_order_no = SM.sell_order_no
GROUP BY
CWM.warehouse_name,
TheMonth
) as a
PIVOT
(
sum(qty) for warehouse_name
IN ('+@cols+')
) AS P
'
这里您想解决什么问题?我在你的帖子中没有看到问题?我想从output@AllanS.Hansen你收到我的查询了吗?使用coalesce或isnull函数之一将你的空值合并到域的有效元素。抱歉@Pieter Geerkens,但我没有使用coalesce函数,你能帮我吗?嘿,我还是没有得到我想要的输出受通缉的