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CECILIA
Member
posted
Hi,

Anyone know a good function can be used to increment an input date parameter (alpha format, though) by 7 days and use it in where clause? I used the following but get an error message.

WHERE REQUEST_TIME GE DT(&REQUEST_TIME) AND REQUEST_TIME LE DATEADD(DT(&REQUEST_TIME), 'D', 7);

Thanks.

Cecilia


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Developer studio 768
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Posts: 7 | Location: New York | Registered: November 06, 2007Report This Post
John_Edwards
Virtuoso
posted Hide Post
I've only been able to get things like that to work correctly via DEFINE fields. An example:

DEFINE FILE XYZ
TODAYS_DATE_NORMAL/YYMD = HDATE(TODAYS_DATE, 'YYMD');
SIX_MONTHS_AGO/YYMD = TODAYS_DATE_NORMAL - 182;
END
TABLE FILE XYZ
.
.
.
WHERE EMPLOYMENT_STATUS EQ 'Inactive' AND EFFECTIVE_END_ID GT SIX_MONTHS_AGO
END



 
Posts: 1012 | Location: At the Mast | Registered: May 17, 2007Report This Post
GinnyJakes
Expert
posted Hide Post
If you are doing the date compare against a relational data source, not all of them will pass a date WHERE screen when the table date is being compared to a DEFINE field. Teradata is one example of an RDBMS where you must specify a data literal as the right-hand side of the compare or the WHERE clause does not get passed to Teradata.

Here is a way, Cecilia, to do this with Dialogue Manager

-* Assume &REQUEST_TIME is the date coming from the launch page.
-SET &ENDDT=AYMD(&REQUEST_TIME,7,'I8YYMD');
TABLE FILE ...
PRINT ...
WHERE REQUEST_TIME GE &REQUEST_TIME AND REQUEST_TIME LE &ENDDT;

Now you didn't mention the format of the table column REQUEST_TIME. That might require an alteration of my code above. The fact that you have the word time in the name makes me think it might be a date-time stamp. Let us know if that is the case.


Ginny
---------------------------------
Prod: WF 7.7.01 Dev: WF 7.6.9-11
Admin, MRE,self-service; adapters: Teradata, DB2, Oracle, SQL Server, Essbase, ESRI, FlexEnable, Google
 
Posts: 2723 | Location: Ann Arbor, MI | Registered: April 05, 2006Report This Post
CECILIA
Member
posted Hide Post
Thank you.

The REQUEST_TIME is a date-time stamp. However, the parameter &REQUEST_TIME is an alpha format. I got an error message when I run your code: (FOC36355) INVALID TYPE OF ARGUMENT #1 FOR USER FUNCTION AYMD

I used DT(&REQUEST_TIME) and still got the same error message...


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Posts: 7 | Location: New York | Registered: November 06, 2007Report This Post
Francis Mariani
Expert
posted Hide Post
First use Dialogue Manager to add 7 days to your date and then use the new variable in your date selection:

-SET &REQUEST_TIME1 =
- DATECVT( DATEADD(DATECVT(&REQUEST_TIME,'I8YYMD','YYMD'),'D', 7),'YYMD','I8YYMD');


The code above looks crazy, but what's happening is you have to convert the alpha string to a Date format using DATECVT, then use DATEADD to add 7 days, then use DATECVT to convert from Date format back to alpha string - read the line of code form inside going outwards.

This of course, assuming that &REQUEST_TIME is an alpha string that contains 8 characters like '20071231'.

Then your WHERE statement should be:

WHERE REQUEST_TIME FROM DT(&REQUEST_TIME 00:00:00.000) TO DT(&REQUEST_TIME1 23:59:59.999);


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
CECILIA
Member
posted Hide Post
Thank you all!

It worked.


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Posts: 7 | Location: New York | Registered: November 06, 2007Report This Post
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