我正在尝试根据当前日期获取正确的年份并附加到会计年度月份日期部分,但出现错误,指出它不是整数。 想法还是想法?
`ALTER FUNCTION [dbo].[fn_CS_IssuedMODs] (@currentDate DATE)
RETURNS TABLE
AS
RETURN
(SELECT cs.Specialist, CASE WHEN COUNT(mn.mod_number_id) IS NULL
THEN 0 ELSE COUNT(mn.mod_number_id) END AS IssuedMODS,
cs.user_certificateSerialNumber
FROM dbo.tbl_modificationNumbers AS mn RIGHT OUTER JOIN
dbo.vw_ContractSpecialists AS cs ON mn.mod_specialist_id = cs.user_certificateSerialNumber
WHERE (mn.statusID = 10) AND effective_date between '10/1/'+DATEPART(YEAR,@currentDate)
+ CASE WHEN DATEPART(MONTH, @CurrentDate) >= 10 THEN -1 ELSE 0 END AND '09/30/'+DATEPART (YEAR,@currentDate)
GROUP BY cs.Specialist, cs.user_certificateSerialNumber`
让我们创建一些变量进行测试:
DECLARE @currentDate DATETIME = '4/2/2014'
DECLARE @FiscalYearStart DATETIME
DECLARE @FiscalYearEnd DATETIME
现在我们将检查当前日期是在 10 月 1 日之前还是之后,如果是,我们将使用上一年开始财政年度,否则我们将进入新的会计年度。
SELECT @FiscalYearStart =
(
CASE
WHEN DATEPART(MONTH, @currentDate) < 10 THEN
DATEADD(MONTH,9, DATEADD(YEAR, DATEDIFF(YEAR, 0, @currentDate) - 1, 0))
ELSE
DATEADD(MONTH,9, DATEADD(YEAR, DATEDIFF(YEAR, 0, @currentDate), 0))
END
),
@FiscalYearEnd =
(
CASE
WHEN DATEPART(MONTH, @currentDate) < 10 THEN
DATEADD(MONTH,9, DATEADD(YEAR, DATEDIFF(YEAR, 0, @currentDate), 0))
ELSE
DATEADD(MONTH,9, DATEADD(YEAR, DATEDIFF(YEAR, 0, @currentDate) + 1, 0))
END
)
SELECT @FiscalYearStart As FiscalYearStart, @FiscalYearEnd As FiscalYearEnd
输出:
FiscalYearStart FiscalYearEnd
2013-10-01 00:00:00.000 2014-10-01 00:00:00.000
现在,您可以在查询中使用effective_date >= @FiscalYearStart AND effective_date < @FiscalYearEnd
来提取该年的正确数据。
而不是datepart()
使用任一datename()
。 或者,对字符串执行显式cast()
。
+
运算符在 SQL Server 中重载。 当它遇到一个数字时,它被视为加法 - 你不能添加字符串。
我无法弄清楚您的代码应该做什么。 可能有更好的方法来实现你想要的。 对于初学者,您应该使用 ISO 标准日期格式(YYYYMMDD 或 YYYY-MM-DD)作为常量。
试试这个:
ALTER FUNCTION [dbo].[fn_CS_IssuedMODs] (@currentDate DATE)
RETURNS TABLE
AS
RETURN
(SELECT cs.Specialist, CASE WHEN COUNT(mn.mod_number_id) IS NULL
THEN 0 ELSE COUNT(mn.mod_number_id) END AS IssuedMODS,
cs.user_certificateSerialNumber
FROM dbo.tbl_modificationNumbers AS mn RIGHT OUTER JOIN
dbo.vw_ContractSpecialists AS cs ON mn.mod_specialist_id = cs.user_certificateSerialNumber
WHERE (mn.statusID = 10) AND effective_date between Cast(DATEPART(YEAR, DateAdd(Year, CASE WHEN DATEPART(MONTH, @CurrentDate) >= 10 THEN -1 ELSE 0 END, @currentDate)) as varchar) + '-10-1'
AND Cast(DATEPART(YEAR,@currentDate) as varchar) + '-09-30'
GROUP BY cs.Specialist, cs.user_certificateSerialNumber