不知道你的确切数据。很难预测你会得到什么。但我可以给你一个解决方案的建议。
表结构
CREATE TABLE Deliveries
(
Customer INT,
CollectionDepot INT,
Rates FLOAT,
TripDate DATETIME
)
CREATE TABLE Account
(
Name VARCHAR(100),
ID INT
)
CREATE TABLE Depots
(
Name VARCHAR(100),
Letter INT
)
测试数据
INSERT INTO Deliveries
VALUES
(1,1,452,GETDATE()-10),
(1,1,800,GETDATE()-30),
(1,1,7895,GETDATE()-2),
(1,1,451,GETDATE()-2),
(1,1,478,GETDATE()-89),
(1,1,4512,GETDATE()-31),
(1,1,782,GETDATE()-20),
(1,1,652,GETDATE()-5),
(1,1,752,GETDATE()-452)
INSERT INTO Account
VALUES
('Customer 1',1)
INSERT INTO Depots
VALUES
('Depot 1',1)
包含范围和格式化日期的表
CREATE TABLE #tmp
(
StartDate DATETIME,
EndDate DATETIME,
FomatedDate VARCHAR(20)
)
计算日期范围
;WITH Nbrs ( n ) AS (
SELECT 0 UNION ALL
SELECT 1+n FROM Nbrs WHERE n < 8 )
INSERT INTO #tmp
SELECT
DATEADD(WEEK,-n-1,GETDATE()),
DATEADD(WEEK,-n,GETDATE()),
convert(varchar, DATEADD(WEEK,-n,GETDATE()), 112)
FROM
Nbrs
ORDER BY
-n
数据透视表的日期列
DECLARE @cols VARCHAR(MAX)
SELECT @cols = COALESCE(@cols + ','+QUOTENAME(FomatedDate),
QUOTENAME(FomatedDate))
FROM
#tmp
声明一些动态sql并执行它
DECLARE @query NVARCHAR(4000)=
N'SELECT
*
FROM
(
SELECT
Depots.Name AS Depot,
Account.Name AS Customer,
Deliveries.Rates,
tmp.FomatedDate,
AVG(Deliveries.Rates) OVER(PARTITION BY 1) AS Average,
SUM(Deliveries.Rates) OVER(PARTITION BY 1) AS Total
FROM
Deliveries
JOIN Account
ON Deliveries.Customer = Account.ID
JOIN Depots
ON Deliveries.CollectionDepot = Depots.Letter
JOIN #tmp AS tmp
ON Deliveries.TripDate BETWEEN tmp.StartDate AND tmp.EndDate
) AS p
PIVOT
(
AVG(rates)
FOR FomatedDate IN ('+@cols+')
) AS pvt'
EXECUTE(@query)
然后自己清理。
DROP TABLE Deliveries
DROP TABLE Account
DROP TABLE Depots
DROP TABLE #tmp