Purpose of Presentation Variable and in what ways it is used?

Thanks a lot for ur time.

Presentation Variable (PV) is for the web layer to store a particular value at run time and use it in the calculations. At any point in time,
10g - variable holds only one values.
11g - Variable holds an array of variables
You can use PV in prompts, filters, fx
http://gerardnico.com/wiki/dat/obiee/presentation_variable_use

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Server and Presentation Variables and Displaying in Dashboard Report

Hello I am running into dead ends trying to get what seems a simple request implemented. The user would like to be prompted for a Date range and have the dates they select displayed in the Title of the report, they also would like the default data set returned be the prior month (so not all data is returned when they initially run the Dashboard)
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No it errors out when I try to Cast the server variable as a Date in the Dashboard Prompt interface.
The variable I created in the repository (Server/Dynamic) has the formula:
SELECT Add_Months(TO_DATE((to_char(sysdate,'mm')) || '/' || '01/' || to_char(sysdate,'YYYY'),'MM/DD/YYYY'),-5) from dual
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Now when a user does enter a value into the prompt box and hits GO the title changes to reflect a date and looks great (10/1/2007), but I guess this is because it is now passing the database column value to this presentation variable.
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Numeric and Presentation variable

Experts,
Do number columns work with Presentation Variables?
I want to filter my report based on the Age..I am using a PV for that.
parag

Yes.
In your case you can set number or character type as input to a presentation variable and reference it in the filter.
If you write manually filter write @{var} or '@{var}', or you can filter with presentation variable in the column properties.
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Passing Presentation Variables to Guided Navigation

I'm having trouble passing Presentation Variables (and Session Variables) to analyses called via a Guided Navigation link in 11.1.1.5.
1. Created a dashboard prompt to select from a list of months. The prompt populates a Presentation Variable called pMo.
2. Created an analysis that displays two columns: Month and '{pMo}'
3. That analysis has this filter: Month is equal to / is in {pMo}
4. Put the dashboard prompt and the analysis onto a dashboard page.
5. Put an Action Link onto the dashboard page, calling that same analysis in a new window.
6. View the dashboard page
7. Initial analysis displays an error, which is expected since pMo has no value.
8. Select a month, which populates pMo. Analysis displays properly. Month and pMo both show correctly.
9. Click the Action Link.
10. The new window shows the correct value of Month, but NOTHING in the pMo column.
This is not logical. If the correct value of Month is shown in the new window, that means that Month MUST have been filtered using pMo. But the pMo column shows blank.
I see the exact same behavior with Session Variables. The value of the variable is correctly used to filter the analysis, but that variable's value doesn't show up in the analysis column.
In fact, if I assign a default value for the variable, the Month column shows the "correct" (i.e. selected) value, but the column containing the formula for the variable shows the variable's default value, not the value that was obviously used by the filter.
The problem only occurs in the new window that appears with the Guided Navigation link. The original dashbord page shows correctly.
Here's the error when using a Session variable. Similar error when using Presentation variable.
Error getting drill information: SELECT "Channels"."Total Channel" saw_0, "Times"."Month" saw_1, VALUEOF(NQ_SESSION.Mo) saw_2 FROM "Retrospectives" WHERE "Times"."Month" = 'Mar-2005'
Error Details
Error Codes: YQCO4T56:OPR4ONWY:U9IM8TAC:OI2DL65P
Location: saw.views.evc.activate, saw.subsystem.portal, saw.httpserver.processrequest, saw.rpc.server.responder, saw.rpc.server, saw.rpc.server.handleConnection, saw.rpc.server.dispatch, saw.threadpool, saw.threadpool, saw.threads
Odbc driver returned an error (SQLExecDirectW).
State: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error has occurred. [nQSError: 43113] Message returned from OBIS. *[nQSError: 23006] The session variable, NQ_SESSION.Mo, has no value definition. (HY000)*
So, if NQ_SESSION.Mo has no value, how did the Filter know that Mar-2005 should be used? NQ_SESSION.Mo DOES have a value. Why won't the column display it?
By the way, in case you're wondering 'what's the big deal', it's this: I want to be able to type a Commission Percent into a text box, store it in a variable, and then use that variable in a calculation within a Guided Nav link. That's what I was originally testing. The description above is what I finally figured out is happening. The variable has a value that can be used as a filter condition, but that value is ignored when used in the columns of that filtered analysis.
Edited by: Mark T. on Jan 7, 2012 7:15 AM

Mark T. wrote:
I'm having trouble passing Presentation Variables (and Session Variables) to analyses called via a Guided Navigation link in 11.1.1.5.
1. Created a dashboard prompt to select from a list of months. The prompt populates a Presentation Variable called pMo.
2. Created an analysis that displays two columns: Month and '{pMo}'
3. That analysis has this filter: Month is equal to / is in {pMo}
4. Put the dashboard prompt and the analysis onto a dashboard page.
5. Put an Action Link onto the dashboard page, calling that same analysis in a new window.
6. View the dashboard page
7. Initial analysis displays an error, which is expected since pMo has no value.
8. Select a month, which populates pMo. Analysis displays properly. Month and pMo both show correctly.
9. Click the Action Link.
10. The new window shows the correct value of Month, but NOTHING in the pMo column.
This is not logical. If the correct value of Month is shown in the new window, that means that Month MUST have been filtered using pMo. But the pMo column shows blank.
I see the exact same behavior with Session Variables. The value of the variable is correctly used to filter the analysis, but that variable's value doesn't show up in the analysis column.
In fact, if I assign a default value for the variable, the Month column shows the "correct" (i.e. selected) value, but the column containing the formula for the variable shows the variable's default value, not the value that was obviously used by the filter.
The problem only occurs in the new window that appears with the Guided Navigation link. The original dashbord page shows correctly.
Here's the error when using a Session variable. Similar error when using Presentation variable.
Error getting drill information: SELECT "Channels"."Total Channel" saw_0, "Times"."Month" saw_1, VALUEOF(NQ_SESSION.Mo) saw_2 FROM "Retrospectives" WHERE "Times"."Month" = 'Mar-2005'
Error Details
Error Codes: YQCO4T56:OPR4ONWY:U9IM8TAC:OI2DL65P
Location: saw.views.evc.activate, saw.subsystem.portal, saw.httpserver.processrequest, saw.rpc.server.responder, saw.rpc.server, saw.rpc.server.handleConnection, saw.rpc.server.dispatch, saw.threadpool, saw.threadpool, saw.threads
Odbc driver returned an error (SQLExecDirectW).
State: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error has occurred. [nQSError: 43113] Message returned from OBIS. *[nQSError: 23006] The session variable, NQ_SESSION.Mo, has no value definition. (HY000)*
So, if NQ_SESSION.Mo has no value, how did the Filter know that Mar-2005 should be used? NQ_SESSION.Mo DOES have a value. Why won't the column display it?
By the way, in case you're wondering 'what's the big deal', it's this: I want to be able to type a Commission Percent into a text box, store it in a variable, and then use that variable in a calculation within a Guided Nav link. That's what I was originally testing. The description above is what I finally figured out is happening. The variable has a value that can be used as a filter condition, but that value is ignored when used in the columns of that filtered analysis.
Edited by: Mark T. on Jan 7, 2012 7:15 AMI don't have 11g so what I say may not apply to you at all. That being said, it appears that what you are describing is similar to how the Link or Image and Guided Nav. objects work in 10g. Bear with me for a sescond while I explain. In the Link or Image object, you can open a destination report in a new window, but PVs don't pass through. In the Guid. Nav. object, PVs pass through to the destination, but you don't have the option to open the report in a new window. The filtering works, which is why your destination report is properly filtered; it's just that the PV is not passed and therefor the pMo column is blank.
Since you said your destination report opens in a new window, it is acting like the Link or Image object in 10g. So try doing this:
1) Ensure that your dashboard prompt is set to "dashboard" scope. This being that the PVs with the same name will be set for all dashboard pages, once set in the parent page.
2) Create a new dashboard page and include the same prompt as in the parent page, and your destination report. Hide the prompt on this page.
3) Now in your Action Link of the parent report, instead of pointing to the report itself, point it to the dashboard page created in step 2).
My theory is this: With the dashboard prompt set to dashboard scope, the PV of the prompt in the destination page will be set as soon as you hit the "Go" button. This will allow the report in the destination page to be set by the same variable, even though the value is not passed on directly through the Action Link.

How can i display the presentation variable in my reports

Was facing a problem to display the Presentation variable on my report, however i managed to display it on answers, but when i try to display it on my Publisher report it doesnt shows any data.
I use to Select the Values From my prompt, and it shows the Reflection of Presentation Variable on my Answers Report. but i cannot see the Reflection of data on my Publisher Report Please any One Can help me with this.

Removing '' does not work it given the following error
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and by adding space you mean that I use it as '@{ BbranchCode}'?
What I am doing at the moment is
1. Write the given query in oracle BI Answers.
2. Made a dashboard prompt in Answers.
3. Made a report in dashboard using the Answers report and the dashboard prompt.
Up till this step it works perfectly fine and the data displayed in manipulated on the basis of the values selected in the prompt.
4. Now what I want is to display this report in Dashboards using oracle BI publisher. For that I use the template builder provided for microsoft word.
5. I login to that add-on, open the answers report where I can see the field in the rowset. I select that field and save the template.
6. I open the oracle BI publisher and make a new reprt with data model of the answer's report and Layout of the one I just created.
7. I open the dashboard and put in the BI publisher report in the same page in which the asnwers report and the prompt was.
8. Upon changing the values of the prompt the report in the answers is still getting manipulated but I am not able to see its reflection of the BI publisher report.
The thing is that I am currently using this presentation variable to manipulate my reports in dashbords using dashboard prompts. The report is built in oracle BI Answers and it is working perfectly fine with it. Now when I use the template builder for Microsoft Word and open the template with the answers's report of this query I see the field in the row set but when I display the template in the dason the bases of this presentation variable the report in the oracle BI Answers is getting updated when I change values but when I use the template builder for microsoft word the the field is being shown in the row set.

How to set a value to a Presentation Variable using GO URL?

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3) Refer to the target using Dashboard URL API and set filter on prompt column using URL parameters. Example: http://localhost:9704/analytics/saw.dll?Dashboard&PortalPath=%2Fusers%2Fadministrator%2F_portal&Page=page%201&Action=Navigate&P0=1&P1=eq&P2=D_TIME.YEAR_CODE&P3=%221996%22
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Presentation Variable Date Format

Hi all trying to format a presentation variable in a Narrative view , Is there a way that this can be done using javascript or html that i can paste into narrative view.
i want something like "the date being used is @{indate} for month end"
Also date format needs to be dd.mm.yyyy ... its currenty being displayed as yyyy/mm/dd .. I dont want to add the columns in my report and hide them as there seems to be a performance lag when i do that.
Any ideas .. Java gurus out there.
I have tried @{indate}[dd.mm.yyyy] .. but that dont work.
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Edited by: user5470064 on Aug 18, 2011 9:58 AM
Edited by: user5470064 on Aug 18, 2011 9:59 AM

Here you go...
I tried in my machine and its working great..
In Answers--> in Criteria TAB, In the column's fx use below formula...
case when 1=1 then EVALUATE('TO_CHAR(%1,%2)' as varchar(20),date '@{pv_date}{1998-07-05}','dd.mm.yyyy') else "ORE Time Dim"."Mnth Name" end
pv_date is the presentation variable and
For "ORE Time Dim"."Mnth Name" use any varchar datatype column...
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In dashboard prompt I have made four dropdowns(have four presentation variables) and based on these values selected,can the Query Builder generate dynamic reports based on the presentation variables selected?
I will provide the link(i.e Link of BI publisher where I stored the report) displayed to the user based on Four presentation variables.
If we click on that link can we use the presentation variables in where clause of Query Builder in BI Publisher?
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- OK. In the second prompt, instead of setting Default to SQL Results, set it to Specific Value.
- Then insert '{pres_var}' in the window. I got it to work this way.
- It supplied the PV as the default in the second prompt after hitting "Go" on the first prompt.
Hi, thanks for your suggestion but I don't need to have the value of the presentation variable itself as the prompt default. The variable is a filter for a specific SQL clause and the default is the result of this SQL.
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Purpose of Presentation Variable and in what ways it is used?

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