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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     [SOLVED] Max value related column

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[SOLVED] Max value related column
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Carlos Dias
Platinum Member
posted
Hello,
I'm new into webFOCUS and this is my first, of I hoe many, posts.

My scenario is:

Data: entity, time, value
I want to select the max value grouped by entity and get the time of the max value.

Example:
entity, time, value
A, 2010, 20
A, 2011, 30
B, 2010, 10
B, 2011, 5
C, 2010, 10

Expected output:
entity, time, value
A, 2011, 3
B, 2010, 10
C, 2010, 10

Thanks,
Carlos Dias

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


WebFOCUS version: 7.6
Linux/Windows
HTML, Excel
 
Posts: 127 | Location: Aveiro, Portugal | Registered: February 04, 2011Report This Post
ChristianP
Platinum Member
posted Hide Post
TABLE FILE xxx
BY entity
BY time
BY HIGHEST value
END

Christian


WF Production Version: 7.7.02M
WF Test Version: 7.7.02M
Developer Studio: 7.7.02
HTML, EXL2K, FLEX, PDF,PPT
 
Posts: 156 | Location: Essen Germany | Registered: December 02, 2010Report This Post
GamP
Virtuoso
posted Hide Post
So close ...
If you want just one record with the highest value it is: BY HIGHEST 1 VALUE.


GamP
- Using AS 8.2.01 on Windows 10 - IE11.
in Focus since 1988
 
Posts: 1961 | Location: Netherlands | Registered: September 25, 2007Report This Post
Carlos Dias
Platinum Member
posted Hide Post
Thanks for the answers. But unfortunately doesn't work.

What I get is (example) in HTML:
A, 2010, 20
2011, 30
B, 2010, 10
2011, 5
C, 2010, 10

Not as expected...
Using the max.value by entity I get the right order. But I can't find a way of getting the time where the value is max.


WebFOCUS version: 7.6
Linux/Windows
HTML, Excel
 
Posts: 127 | Location: Aveiro, Portugal | Registered: February 04, 2011Report This Post
FrankDutch
Virtuoso
posted Hide Post
this would do it


-* File byhighest.fex
FILEDEF MAS_A DISK file_a.mas
FILEDEF FILE_A DISK file_a.ftm

-RUN
-WRITE MAS_A FILENAME=FILE_A, SUFFIX=FIX, $
-WRITE MAS_A SEGNAME=FILE_A, $
-WRITE MAS_A FIELDNAME=ENTITY, FORMAT=A1, ACTUAL=A1, $
-WRITE MAS_A FIELDNAME=TIME, FORMAT=I4, ACTUAL=A4, $
-WRITE MAS_A FIELDNAME=VALUE1, FORMAT=D5, ACTUAL=A2, $
-WRITE FILE_A A201020
-WRITE FILE_A A201130
-WRITE FILE_A B201010
-WRITE FILE_A B20115
-WRITE FILE_A C201010
-RUN

TABLE FILE FILE_A
BY ENTITY
BY HIGHEST 1 VALUE1
BY TIME
END


The sequence of the BY fields is important

you want only 1 highest value by one entity




Frank
prod: WF 7.6.10 platform Windows,
databases: msSQL2000, msSQL2005, RMS, Oracle, Sybase,IE7
test: WF 7.6.10 on the same platform and databases,IE7

 
Posts: 2387 | Location: Amsterdam, the Netherlands | Registered: December 03, 2006Report This Post
Carlos Dias
Platinum Member
posted Hide Post
Thanks for the answer Frank.
But my problem is that I want to show the results in this order entity, time, value.


WebFOCUS version: 7.6
Linux/Windows
HTML, Excel
 
Posts: 127 | Location: Aveiro, Portugal | Registered: February 04, 2011Report This Post
Francis Mariani
Expert
posted Hide Post
You have some work to do: read the manual.

-* File fpcarlos1.fex

-SET &ECHO='ALL';

SET ASNAMES=ON
SET HOLDLIST=PRINTONLY
SET HOLDFORMAT=ALPHA
-RUN

FILEDEF FILE1 DISK file1.txt
-RUN

-WRITE FILE1 A 2010 20
-WRITE FILE1 A 2011 30
-WRITE FILE1 B 2010 10
-WRITE FILE1 B 2011 05 
-WRITE FILE1 C 2010 10

FILEDEF MASTER DISK file1.mas
-RUN

-WRITE MASTER FILENAME=FILE1, SUFFIX=FIX, $
-WRITE MASTER SEGNAME=FILE1, $
-WRITE MASTER FIELDNAME=ENTITY, FORMAT=A1, ACTUAL=A1, $
-WRITE MASTER FIELDNAME=FILL1,  FORMAT=A1, ACTUAL=A1, $
-WRITE MASTER FIELDNAME=TIME,   FORMAT=I4, ACTUAL=A4, $
-WRITE MASTER FIELDNAME=FILL2,  FORMAT=A1, ACTUAL=A1, $
-WRITE MASTER FIELDNAME=VALUEA, FORMAT=I2, ACTUAL=A2, $
-RUN

TABLE FILE FILE1
PRINT
ENTITY
TIME
VALUEA
BY ENTITY NOPRINT
BY HIGHEST 1 VALUEA NOPRINT
END
-RUN


Francis


Give me code, or give me retirement. In FOCUS since 1991

Production: WF 7.7.05M, Dev Studio, BID, MRE, WebSphere, DB2 / Test: WF 8.1.05M, App Studio, BI Portal, Report Caster, jQuery, HighCharts, Apache Tomcat, MS SQL Server
 
Posts: 10577 | Location: Toronto, Ontario, Canada | Registered: April 27, 2005Report This Post
Carlos Dias
Platinum Member
posted Hide Post
Thanks Francis


WebFOCUS version: 7.6
Linux/Windows
HTML, Excel
 
Posts: 127 | Location: Aveiro, Portugal | Registered: February 04, 2011Report This Post
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