Default presentation variable used in the SQL filter expression

Hello
I am trying to use a default value for a variable used in a sql expression in a filter presentation and could use assistance on why obiee stifles the syntax.

I have a report prompted with a prompt on the name of the month (variable presentation framework - pres_month_name). The value read is used in a filter as an sql expression. The sql expression is a DEAL on the variable of presentation and its conversion to a number based on business rules.

In the sql expression, I give you the presentation variable a default value for a variable of repository - rep_default_month_name. Repository variable is correct and no, based on business rules, returns an appropriate default month name.

Now, if I hard code the value by default, there is no problem. Here is a sample of the filter:
The month number less than or equal to * DEAL "{pres_month_name} {OCT}" WHEN "NOV" THEN 10 WHEN... END *.

Notice that the variable of presentation is between single quotes, because this is an area of character. Once more, it works fine, but I don't want to hardcode the default, I want it based on the variable repository, therefore:

The month number less than or equal to * DEAL '{pres_month_name} {ValueOf (rep_default_month_name)}' WHEN 'NOV' THEN 10 WHEN... END *.

By having this syntax for default of the variable of the presentation, I receive a message from the incorrect values in a filter.

This report is not only used on a dashboard, but used in a briefing book as well. Whenever a briefing book is updated, by default the presentation variable is used, because obviously, the presentation is not available in a briefing, and I don't want to use a hard-coded value.

I could duplicate the report and adjust the sql to not use the presentation variable, but always use the repository variable that returns a month by default, but I would be duplication of effort and I have to do this on several requests.

Thanks for the help!

Try this syntax described in the blog of Shiva that follows...

http://shivabizint.WordPress.com/2008/10/02/Oracle-BI-EE-variables-overview/

Tags: Business Intelligence

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