Sql server 合并两个select语句以进行日期比较
嗨,我有以下声明:Sql server 合并两个select语句以进行日期比较,sql-server,tsql,select,week-number,Sql Server,Tsql,Select,Week Number,嗨,我有以下声明: DECLARE @currentWEEK INT DECLARE @previousWEEK INT DECLARE @CURRENDATE DATETIME DECLARE @PREVIOUSDATE DATETIME SET @PREVIOUSDATE = YEAR(DATEADD(YEAR, -1, GETDATE())) SET @CURRENDATE = GETDATE() SET @currentWEEK = RIGHT(DATENAME(wk,'2013-
DECLARE @currentWEEK INT
DECLARE @previousWEEK INT
DECLARE @CURRENDATE DATETIME
DECLARE @PREVIOUSDATE DATETIME
SET @PREVIOUSDATE = YEAR(DATEADD(YEAR, -1, GETDATE()))
SET @CURRENDATE = GETDATE()
SET @currentWEEK = RIGHT(DATENAME(wk,'2013-05-17 00:00:00.000'),2)
SET @previousWEEK = RIGHT(DATENAME(wk,'2012-05-17 00:00:00.000'),2)
SELECT COUNT(*)
FROM vevents
WHERE RIGHT(DATENAME(wk,dbo.vEvents.DateCreated),2) = @currentWEEK
AND
YEAR(dbo.vEvents.DateCreated) = YEAR(@CURRENDATE)
SELECT COUNT(*)
FROM vevents
WHERE RIGHT(DATENAME(wk,dbo.vEvents.DateCreated),2) = @previousWEEK
AND
YEAR(dbo.vEvents.DateCreated) = @PREVIOUSDATE
本质上,它比较给定一周内两个日期的总数,但我想结合给定日期的两个select语句来返回单个记录集(例如CURRENTYEARCOUNT和PREVIOUSYEARCOUNT)
非常感谢您的帮助试试这个-
DECLARE
@currentWEEK INT
, @previousWEEK INT
, @CURRENDATE DATETIME
, @PREVIOUSDATE DATETIME
SELECT
@PREVIOUSDATE = YEAR(DATEADD(YEAR, -1, GETDATE()))
, @CURRENDATE = GETDATE()
, @currentWEEK = RIGHT(DATENAME(wk, '20130517'), 2)
, @previousWEEK = RIGHT(DATENAME(wk, '20120517'), 2)
SELECT
COUNT(CASE WHEN YEAR(e.DateCreated) = @PREVIOUSDATE THEN 1 END)
, COUNT(CASE WHEN YEAR(e.DateCreated) = YEAR(@CURRENDATE) THEN 1 END)
FROM dbo.vEvents e
WHERE RIGHT(DATENAME(wk, e.DateCreated), 2) = @currentWEEK