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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     [SOLVED]DATEADD Function

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[SOLVED]DATEADD Function
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Jay Potter
Guru
posted
I am using the following command

-SET &LAST_SATURDAY = DATEADD(&YYMD, 'D', -3)

the ECHO displays this
-SET &LAST_SATURDAY = DATEADD(20120703, 'D', - 3);

LAST_SATURDAY ends up being 20120700

Shouldn't it end up being 20120630? Do I need to use a different Date Format?

This message has been edited. Last edited by: Jay Potter,


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Posts: 341 | Location: Pembroke NH/Jericho NY | Registered: June 15, 2011Report This Post
Mighty Max
Guru
posted Hide Post
DATEADD uses smart dates. As a workaround you can use DATECVT to convert the date to a smart date. Then use DATEADD to subtract the days. Then uses DATECVT again to change the smart date into a numeric date.

  
-SET &LAST_SATURDAY = DATECVT(DATEADD(DATECVT(&YYMD,'I8YYMD','YYMD'),'D',-3),'YYMD','I8YYMD');
-TYPE &LAST_SATURDAY


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Posts: 320 | Location: Memphis, TN | Registered: February 12, 2008Report This Post
Prarie
Virtuoso
posted Hide Post
DATEADD has issues with Dialog Manager. Can you do this in a define instead.


In Focus since 1993. WebFOCUS 7.7.03 Win 2003
 
Posts: 1903 | Location: San Antonio | Registered: February 28, 2005Report This Post
Prarie
Virtuoso
posted Hide Post
OR you can do that. Wink
 
Posts: 1903 | Location: San Antonio | Registered: February 28, 2005Report This Post
Jay Potter
Guru
posted Hide Post
Thanks! The DATECVT worked. It's great when they document where you can use some in some places but not others.


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Posts: 341 | Location: Pembroke NH/Jericho NY | Registered: June 15, 2011Report This Post
Prarie
Virtuoso
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You should get the book 1001 Ways to Work with Dates in WebFocus. It's documented there that it does not work with Dialog Manager. It's a great thing to have.
 
Posts: 1903 | Location: San Antonio | Registered: February 28, 2005Report This Post
Jay Potter
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posted Hide Post
Thanks! I will look into it.


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Posts: 341 | Location: Pembroke NH/Jericho NY | Registered: June 15, 2011Report This Post
Francis Mariani
Expert
posted Hide Post
Prarie, I hope that book documents that you can use Date-Time functions in Dialog Manager when used in conjunction with DATECVT, e.g.
-SET &TEST1 = DATECVT(DATEADD(DATECVT(&YYMD,'I8YYMD','YYMD'),'D',-3),'YYMD','I8YYMD')


Francis


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

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Posts: 10577 | Location: Toronto, Ontario, Canada | Registered: April 27, 2005Report This Post
Waz
Expert
posted Hide Post
The other option is to use the legacy date function aymd.

Its all documented in the functions manual, it will pay to have a good look.

-SET &LAST_SATURDAY = AYMD(&YYMD,-3,'I8YYMD') ;

-TYPE &LAST_SATURDAY


Waz...

Prod:WebFOCUS 7.6.10/8.1.04Upgrade:WebFOCUS 8.2.07OS:LinuxOutputs:HTML, PDF, Excel, PPT
In Focus since 1984
Pity the lost knowledge of an old programmer!

 
Posts: 6347 | Location: 33°49'23.0"S, 151°11'41.0"E | Registered: October 31, 2006Report This Post
Norb Eckert
Platinum Member
posted Hide Post
I just had this issue today and in 5 minutes I found the correct code to resolve it. The information here just saved my bacon (again) and made it look like I know what I'm doing. Smiler

Thanks to all who post here on Focal Point.

Norb


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Posts: 242 | Location: Minneapolis | Registered: February 16, 2006Report This Post
jgelona
Master
posted Hide Post
It would be a whole lot easier to create DEFINE FUNCTIONs for DATEADD, DATEMOV and DATEDIF. If done properly, anything you can do in a TABLE request with these function can be done in Dialogue Manager using the same syntax.


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Posts: 975 | Location: Oklahoma City | Registered: October 27, 2006Report This Post
Francis Mariani
Expert
posted Hide Post
Absolutely.

DEFINE FUNCTION UDATEADD(INDATE/A8YYMD, INUNIT/A2, INNBR/I4)
INDATE1/YYMD    = INDATE;
UDATEADD1/YYMD  = DATEADD(INDATE1, INUNIT, INNBR);
UDATEADD/A8YYMD = UDATEADD1;
END
-RUN

-SET &DATE1 = UDATEADD(&YYMD, 'M', -3);

-TYPE &YYMD - &DATE1


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
 
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