How to count distinct excluding a value in business layer?

Hi all,
I'm having a column which has many values. I need to make this is as a measure with count distinct aggregator. But i should not count 0 in the column. How can i do this. If i try to use any condition means the aggregator option is disables. Please help
Thanks

Look this example:
I made in BMM in the SALES fact table measure:
Count_Distinct_Prod_Id_Exclude_Prod_Id_144
I'll count distinct PRODUCTS.PROD_ID, but exclude PROD_ID=144 in counting.
Make this measure like this:
1. New object/Logical column
2. Go to data type tab and click EDIT on the logical table table source
3. Now, in the general tab add join to a table (in my case PRODUCTS)
4. Go to the column mapping tab -> show unmapped columns
5. In the new column (in my case Count_Distinct_Prod_Id_Exclude_Prod_Id_144) write code like similar:
CASE WHEN "orcl".""."SH"."PRODUCTS"."PROD_ID" = 144 THEN NULL ELSE "orcl".""."SH"."PRODUCTS"."PROD_ID" END
6. Click OK and close the logical table source window
7. Now, in the logical column window go to aggregation tab and choose COUNT DISTINCT.
8. Move the measure Count_Distinct_Prod_Id_Exclude_Prod_Id_144 in the presentation area
9. Test in Answers (report cointains columns as follow)
PROD_CATEGORY_ID
Count_Distinct_Prod_Id_Exclude_Prod_Id_144
And the result in the NQQuery.log is:
select T21473.PROD_CATEGORY_ID as c1,
count(distinct case when T21473.PROD_ID = 144 then NULL else T21473.PROD_ID end ) as c2
from
PRODUCTS T21473
group by T21473.PROD_CATEGORY_ID
order by c1
Regards
Goran
http://108obiee.blogspot.com

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Moderator message: please search for available information/documentation before asking, don't just claim you did.
Edited by: Thomas Zloch on Oct 27, 2010 2:50 PM

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How to count distinct excluding a value in business layer?

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