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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     [SOLVED]How to select subsets of records

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[SOLVED]How to select subsets of records
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Pku
Silver Member
posted
Hi all,

I've tried to select subsets of records that have the sequential "Line" number from 1 to 3 as the following sample:
Data file contains:
Unit Org Line Flag
1A   A   1    Y    -->Will not be selected
1A   A   2    Y    -->Will not be selected
1A   A   1    N
1A   A   2    N
1A   A   3    N
1C   C   1    Y    -->Will not be selected
1C   C   2    Y    -->Will not be selected
1C   C   1    N
1C   C   2    N
1C   C   3    N
2B   B   1    Y
2B   B   2    Y
2B   B   3    Y
2B   B   1    N
2B   B   2    N
2B   B   3    N


The output would be:

Unit Org Line Flag
1A   A   1    N
1A   A   2    N
1A   A   3    N
1C   C   1    N
1C   C   2    N
1C   C   3    N
2B   B   1    Y
2B   B   2    Y
2B   B   3    Y
2B   B   1    N
2B   B   2    N
2B   B   3    N


Any help would be appreciated.

Thanks,
Pku

This message has been edited. Last edited by: Pku,


Thanks,
Pku

Focus, WebFocus 8201 on Windows
 
Posts: 43 | Registered: May 28, 2008Report This Post
atturhari
Platinum Member
posted Hide Post
I suggest you to first sort the data BY UNIT -> ORG -> LINE, then play with code below.

COMPUTE FLAG/A1 = IF (UNIT EQ LAST UNIT) AND (ORG EQ LAST ORG) AND (LINE EQ LAST LINE) THEN 'N' ELSE 'Y';


WF 7.7.02 on Windows 7
Teradata
HTML,PDF,EXCEL,AHTML
 
Posts: 165 | Registered: September 29, 2008Report This Post
Danny-SRL
Virtuoso
posted Hide Post
Pku,

Try:
  
TABLE FILE ...
SUM CNT.LINE NOPRINT
BY UNIT BY ORG BY FLAG
PRINT LIN FLAG
BY UNIT BY ORG BY FLAG NOPRINT
IF TOTAL CNT.LINE EQ 3
END


Daniel
In Focus since 1982
wf 8.202M/Win10/IIS/SSA - WrapApp Front End for WF

 
Posts: 1980 | Location: Tel Aviv, Israel | Registered: March 23, 2006Report This Post
George Patton
Master
posted Hide Post
Danny's solution sounds great and takes advantage of the WebFOCUS internal matrix.

Another way might be to sort the data backwards. Then if LINE = 3 set a flag to TRUE and continue processing till LINE = 1 where you set it back to FALSE after selecting. If the subsequent record contains 1 or 2 the flag would remain FALSE and only get set to TRUE when another 3 showed up.


WebFOCUS 7.7.05 Windows, Linux, DB2, IBM Lotus Notes, Firebird, Lotus Symphony/OpenOffice. Outputs PDF, Excel 2007 (for OpenOffice integration), WP
 
Posts: 674 | Location: Guelph, Ontario, Canada ... In Focus since 1985 | Registered: September 28, 2010Report This Post
Pku
Silver Member
posted Hide Post
It worked beautifully. Thank to Danny and everyone.

Pku


Thanks,
Pku

Focus, WebFocus 8201 on Windows
 
Posts: 43 | Registered: May 28, 2008Report This Post
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