问题描述
我正在尝试在 Microsoft sql Server 中获取下表。基本上我想要做的是获取每个销售 ID 的销售日期(日期和时间)和下一个销售日期(日期和时间),以及第一个销售日期的销售金额。下表解释了后面的内容。
我已经完成了以下编码,但还没有达到上面的表格:
DECLARE @date1 AS datetime;
DECLARE @date2 AS datetime;
SET @date1 = DATEADD(HOUR,-72,GETDATE());
SET @date2 = DATEADD(HOUR,-1,GETDATE());
SELECT SaleID AS SaleID,[Sale Date & Time] AS SalesDate,RN
INTO #sales
FROM (SELECT ROW_NUMBER() OVER (PARTITION BY SaleID ORDER BY [Sale Date & Time] ASC) AS RN,SaleID,SalesDate
FROM Sales
WHERE [Sale Date & Time] BETWEEN @date1 AND @date2) T;
来自查询第一部分的数据:
解决方法
我设法完成了上述部分,以防将来有人发现它有用。
使用了以下代码
with cte as
(
select rownum = ROW_NUMBER() over (partition by SalesID order by [Sales Date & Time] asc),SalesID,[Sale Date & Time],[Amount]
from Sales
where [Sales Date & Time] between GETDATE()-7 and GETDATE()
)
select
a.SalesID,a.[Sale Date & Time],b.Sale Date & Time],a.[Amount]
from cte a
inner join cte b on b.rownum = a.rownum+1 and a.SalesID=b.SalesID