Question

sql query help

Asked by: Angela4eva


Documents
Docid  Status date

1      abc   12/16/2009
2      CCH   12/22/2009
3      PPD   12/21/2009
 
DocumentsHistory
DochistoryID   Docid   Status   date
   1             1      PPD     12/1/2008
   2             1      GGB     12/13/2008
   3             2      NAF     12/2/2008
   4             2      PPD     12/3/2008
   5             2      Xyz     12/7/2008
   6             3      AAD     12/7/2008



Below query that takes parameters as begin and end date and
I want to get all the records from document history and documents table
 that had  status of PPD atleast once but not the status as XYZ

The query should returns

For above example it will return
 docid status date
  1    PPD       12/1/2008


this will  not get the record docid=2 because it had a status of XYZ in one of the records.
Now I want to change this query so once I get the results from this query, I want to check the next status for that record
(using the datatime in the date field) and if it within the startdate and enddate and then it return the record and there is
no next status (means thats is the latest date of that record with status PPD) it should also get this record. please note that we need to check both the table
So for the above example it should return
For above example it will return
 docid status date
  1    GGB    12/13/2008
  3      PPD   12/21/2009


Select * from (
Select Docid , Status , date From Documents
union all
Select Docid , Status , date From DocumentsHistory) A
where date berween @startdate and @endDate
and Status='PPD' and
not exists (Select 1 from 
(Select Docid , Status , date From Documents
union all
Select Docid , Status , date From DocumentsHistory) B where 
B.date between @startdate and @endDate
and B.Status='XYZ' and B.DocID = A.DocID)
                                  
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Asked On
2009-11-04 at 20:36:35ID24873478
Topics

SQL Query Syntax

,

MS SQL Server

Participating Experts
3
Points
500
Comments
7

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Answers

 

by: vinurajrPosted on 2009-11-05 at 02:32:43ID: 25748131

Use some Temp table and join it again with the Documnet table.

 

by: rrjegan17Posted on 2009-11-05 at 03:18:28ID: 25748349

Kindly confirm your SQL Server version either it is 2000 or 2005.
If it is 2000, then you need either a temp table or a procedure kind of stuff to achieve it.
If it is 2005 or 2008, then it can be done in a SELECT query itself.

 

by: MuhammadKashifPosted on 2009-11-05 at 04:07:30ID: 25748606

Please explain your next status records criteria.


 

by: MuhammadKashifPosted on 2009-11-05 at 05:04:39ID: 25748951

try following query...

Regards,
Kashif

DECLARE @startdate DATETIME,
		@endDate DATETIME
SET @startdate = '2008/01/01' 
SET @endDate = '2009/12/31'  
;WITH CTE AS
(
	SELECT ROW_NUMBER() OVER(PARTITION BY DocId Order by Date) SrNo, * FROM 
	(
		Select Docid , Status , date From Documents
		union all
		Select Docid , Status , date From DocumentsHistory
	) tbl
), FilteredCTE AS
(
	SELECT 	A.* FROM CTE A 
	WHERE A.date between @startdate and @endDate AND A.Status = 'PPD' AND A.Docid NOT IN  
	(SELECT DISTINCT Docid FROM CTE WHERE Status = 'XYZ')
)
SELECT C.* FROM CTE C INNER JOIN FilteredCTE F ON C.SrNo = F.SrNo + 1 AND C.DocId = F.DocId

                                              
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by: Angela4evaPosted on 2009-11-05 at 07:08:46ID: 25750230

sql server 2005. Next criteria means the next record
if the record with status PPD has the date as 12/2/2008 12:12:00 AM
then the next status will be the next record with greater time than this
so probably 12/2/2008 12:14:00 AM

 

by: MuhammadKashifPosted on 2009-11-05 at 20:30:33ID: 25756621

Then have you executed my query? I think it should solve your problem.

.......?

Regards,
Kashif

 

by: Angela4evaPosted on 2009-11-06 at 14:06:10ID: 31650358

thanks kashif

20120131-EE-VQP-002

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