我需要以下情況的幫助。計算用戶唯一的開始結束時間集合
此表在SQL Server 2005上。如果您覺得2008年的某些功能會有幫助,我們也可以訪問SQL Server 2008。儘管如此,我可以做到這一點。 :)
我有一個系統100多個用戶的登錄時間。他們可以同時登錄到不同的頻道。
我需要有端到端登錄註銷時候,不論通道
的我猜,這可以通過一個存儲過程來完成。但如果它沒有達到性能,我可以接受任何其他選擇。
以下AgentResults2
是我的基礎表。
AgentOutcome
表是我想要的樣子。
基表
FUser_id FLoginDt FLogoutDt
30001 2012-02-17 12:32:15.473 2012-02-17 14:15:36.547
30001 2012-02-17 12:49:48.177 2012-02-17 14:10:01.097
30001 2012-02-17 14:30:49.293 2012-02-17 15:41:02.387
該用戶登錄到一個信道以12.32呆在那裏直到14:15此期間,他也登錄到另一個channelat 12點49分,在那裏呆直到14內的一個例子: 10。並於14:30至15:41進行了新的登錄。我想從這裏得到兩行是
FUser_id FLoginDt FLogoutDt
30001 2012-02-17 12:32:15.473 2012-02-17 14:15:36.547
30001 2012-02-17 14:30:49.293 2012-02-17 15:41:02.387
,當你在用戶39395
SET DATEFORMAT DMY
IF OBJECT_ID('#AgentResults2', 'U') IS NOT NULL DROP TABLE #AgentResults2;
CREATE TABLE #AgentResults2 (FUser_id varchar(48), FLoginDt datetime, FLogoutDt DateTime)
Insert Into #AgentResults2 (FUser_id , FLoginDt, FLogoutDt)
Select '30001','17/02/2012 8:09:23.117 AM' ,'17/02/2012 8:39:28.527 AM' UNION ALL
Select '30001','17/02/2012 8:50:26.087 AM','17/02/2012 9:31:32.040 AM' UNION ALL
Select '30001','17/02/2012 10:28:42.430 AM','17/02/2012 10:54:13.880 AM' UNION ALL
Select '30001','17/02/2012 10:59:20.567 AM','17/02/2012 12:00:36.030 PM' UNION ALL
Select '30001','17/02/2012 12:32:15.473 PM','17/02/2012 2:15:36.547 PM' UNION ALL
Select '30001','17/02/2012 12:49:48.177 PM','17/02/2012 2:10:01.097 PM' UNION ALL
Select '30001','17/02/2012 2:30:49.293 PM','17/02/2012 3:41:02.387 PM' UNION ALL
Select '30001','17/02/2012 3:44:05.800 PM','17/02/2012 4:01:33.613 PM' UNION ALL
Select '39300','17/02/2012 8:06:31.250 AM','17/02/2012 3:51:31.930 PM' UNION ALL
Select '39300','17/02/2012 10:15:08.923 AM','17/02/2012 10:21:29.833 AM' UNION ALL
Select '39363','17/02/2012 9:58:44.287 AM','17/02/2012 11:20:08.950 AM' UNION ALL
Select '39363','17/02/2012 11:20:29.203 AM','17/02/2012 1:27:36.717 PM' UNION ALL
Select '39363','17/02/2012 1:27:36.717 PM','17/02/2012 3:05:12.383 PM' UNION ALL
Select '39363','17/02/2012 3:05:31.527 PM','17/02/2012 4:57:13.733 PM' UNION ALL
Select '39363','17/02/2012 4:57:44.640 PM','17/02/2012 5:59:20.273 PM' UNION ALL
Select '39395','17/02/2012 9:37:14.353 AM','17/02/2012 10:15:52.397 AM' UNION ALL
Select '39395','17/02/2012 10:15:28.427 AM','17/02/2012 10:58:47.080 AM' UNION ALL
Select '39395','17/02/2012 10:57:03.590 AM','17/02/2012 11:53:47.933 AM' UNION ALL
Select '39395','17/02/2012 11:51:31.567 AM','17/02/2012 2:26:27.640 PM' UNION ALL
Select '39395','17/02/2012 2:31:30.247 PM','17/02/2012 4:04:44.217 PM' UNION ALL
Select '39395','17/02/2012 4:10:49.013 PM','17/02/2012 4:11:26.983 PM' UNION ALL
Select '39395','17/02/2012 4:17:16.813 PM','17/02/2012 5:55:47.187 PM' UNION ALL
Select '39395','17/02/2012 4:55:25.900 PM','17/02/2012 5:26:07.310 PM' ;
Select * from #AgentResults2;
IF OBJECT_ID('#AgentOutcome', 'U') IS NOT NULL DROP TABLE #AgentOutcome;
CREATE TABLE #AgentOutcome (FUser_id varchar(48), FLoginDt datetime, FLogoutDt DateTime)
Insert Into #AgentOutcome (FUser_id , FLoginDt, FLogoutDt)
Select '30001','17/02/2012 8:09:23.117 AM','17/02/2012 8:39:28.527 AM' UNION ALL
Select '30001','17/02/2012 8:50:26.087 AM','17/02/2012 9:31:32.040 AM' UNION ALL
Select '30001','17/02/2012 10:28:42.430 AM','17/02/2012 10:54:13.880 AM' UNION ALL
Select '30001','17/02/2012 10:59:20.567 AM','17/02/2012 12:00:36.030 PM' UNION ALL
Select '30001','17/02/2012 12:32:15.473 PM','17/02/2012 2:15:36.547 PM' UNION ALL
Select '30001','17/02/2012 2:30:49.293 PM','17/02/2012 3:41:02.387 PM' UNION ALL
Select '30001','17/02/2012 3:44:05.800 PM','17/02/2012 4:01:33.613 PM' UNION ALL
Select '39300','17/02/2012 8:06:31.250 AM','17/02/2012 3:51:31.930 PM' UNION ALL
Select '39363','17/02/2012 9:58:44.287 AM','17/02/2012 11:20:08.950 AM' UNION ALL
Select '39363','17/02/2012 11:20:29.203 AM','17/02/2012 3:05:12.383 PM' UNION ALL
Select '39363','17/02/2012 3:05:31.527 PM','17/02/2012 4:57:13.733 PM' UNION ALL
Select '39363','17/02/2012 4:57:44.640 PM','17/02/2012 5:59:20.273 PM' UNION ALL
Select '39395','17/02/2012 9:37:14.353 AM','17/02/2012 2:26:27.640 PM' UNION ALL
Select '39395','17/02/2012 2:31:30.247 PM','17/02/2012 4:04:44.217 PM' UNION ALL
Select '39395','17/02/2012 4:10:49.013 PM','17/02/2012 4:11:26.983 PM' UNION ALL
Select '39395','17/02/2012 4:17:16.813 PM','17/02/2012 5:55:47.187 PM' ;
Select * from #AgentOutcome;
DROP TABLE #AgentResults2;
DROP TABLE #AgentOutcome;
我已經檢查了其他相關的主題,他們接近,但更具體的聚合就變得複雜並滿足min開始& mx結束時間。
我正在使用的代碼是
;with Ranges as (
select FUser_id,FloginDt,FlogoutDt
from #AgentResults2
union all
select r.FUser_id,r.FloginDt,t.FLogoutdt
from
Ranges r
inner join
#AgentResults2 t
on
r.FUser_id = t.FUser_Id and DATEDIFF(ms,r.Flogoutdt,t.FloginDt) = 0
),
ExtendedRanges as (
select FUser_id,MIN(FloginDt) as FloginDt,Flogoutdt
from Ranges
group by FUser_ID,Flogoutdt
)
select FUser_Id,FloginDt,MAX(Flogoutdt)
from ExtendedRanges
group by FUser_id,FloginDt
order by 1
OPTION (MAXRECURSION 0)
也許搜索SQL重疊範圍,例如[這個問題](http://stackoverflow.com/questions/4345910/merge-rows-based-on-date-in-sql-server) – 2012-02-21 08:14:34
謝謝@Damien_The_Unbeliever指向我的另一個問題。看完這個問題後,我很高興 - 認爲就是這樣。但是在做出相應的代碼之後,我沒有看到預期的結果。另一個問題有一個訣竅,就是將第二天結合在同一行中,但是,如果同一毫秒包含在同一行中,則我的結果是兩倍1)。 2)如果不到endtime還包括做一行。這並不完全符合我的情況。我附上了我在下一條評論中使用的代碼。 – CeeVei 2012-02-21 13:05:16
如果您發佈複雜的代碼,最好編輯您的問題,以便您可以正確格式化它。 – 2012-02-21 13:12:55