OUTER JOIN behaviour

Question

Hi,
I have a Fact table which is joined with two Dim tables:
FACT -----DIM1 (FACT.key_col1= DIM1.key_col(+) )
\__DIM2 (FACT.key_col2= DIM2.key_col(+) )
Logical column:
col1 = DECODE(DIM2.val, 0, DIM2.desc, DIM1.desc)
In the business model:
FACT >----- DIM1 (Right Outer Join)
v
\___ DIM2 (Right Outer Join)
- In the LTS of DIM2, I have only DIM2 and in "General Tab\Map to these tables":
1. FACT - DIM2 : Right Outer Join
2. FACT - DIM1 : Right Outer Join
- In the "Column Mapping" of DIM2, I have:
col1 = CASE WHEN DIM2.val = 0 THEN DIM2.desc ELSE DIM1.desc END
The problem comes when I make a report with only one column from DIM2 (different from col1), for example: DIM2.name, OBIEE generates a query like this:
SELECT
DIM2.name
FROM
FACT,
DIM1,
DIM2
WHERE
FACT.key_col1= DIM1.key_col(+)
AND FACT.key_col2= DIM2.key_col(+)
The correct query should be:
SELECT
DIM2.name
FROM
FACT
DIM2
WHERE
FACT.key_col2= DIM2.key_col(+)
I have detected that if "INNER" type join is used, OBIE doesn't add a table that is not referenced in the report (in this case DIM1).
How can I make OBIEE generate the second query?
Thanks in advance,
Regards

Answer 1

Try this
http://obiee101.blogspot.com/2008/11/obiee-outerjoin-workaround.html
Regards,
Raghu