Problem while using SELECT Operation in DB Adapter

Hi,
I am trying to use the DB Adapter with SELECT operation on one of the tables in our database. The query looks some thing like,
SELECT ORDER_HEADER_ID, SHIPPING_GRP_ID, ATG_SHIPPING_GROUP_ID, SO_HEADER_ID, ORDER_NUMBER, SHIP_ITEM_ID FROM <TABLE_NAME> WHERE (<CNAME> = #orderID)
I have selected order_header_id as the primary key during the creation of my process. And the rest are selected as part of the query.
The problem that I having is that I am getting the same data for all the rows, the output is as follows
<root>
<XxacOrderStatusDetail>
<orderHeaderId>265</orderHeaderId>
<shippingGrpId>262</shippingGrpId>
<ShippingGroupId>sg832798</ShippingGroupId>
<soHeaderId>4016992</soHeaderId>
<orderNumber>82555268</orderNumber>
<ShipItemId>r421379</ShipItemId>
</XxacOrderStatusDetail>
<XxacOrderStatusDetail>
<orderHeaderId>265</orderHeaderId>
<shippingGrpId>262</shippingGrpId>
<ShippingGroupId>sg832798</ShippingGroupId>
<soHeaderId>4016992</soHeaderId>
<orderNumber>82555268</orderNumber>
<ShipItemId>r421379</ShipItemId>
</XxacOrderStatusDetail>
<XxacOrderStatusDetail>
<orderHeaderId>265</orderHeaderId>
<shippingGrpId>262</shippingGrpId>
<ShippingGroupId>sg832798</ShippingGroupId>
<soHeaderId>4016992</soHeaderId>
<orderNumber>82555268</orderNumber>
<ShipItemId>r421379</ShipItemId>
</XxacOrderStatusDetail>
</root>
For the output above the "ShipItemId" should return different values but it is returning the same for all the results that are returned. As in the first entry should have r421379 then r421380 and then r421381 for the last one.
When I try including the "ShipItemId" as a primary key I am able to get the correct value but my process will fault in case if there is a null value for the column.
I wanted to know if there is a way that I can resolve this problem?
JDeveloper Version: Build JDEVADF_11.1.1.6.0_GENERIC_111205.1733.6192.1
SOA Version is also 11.1.1.6.0
Database Driver(Selected during data source creation on WLS) : Oracle's Driver(Thin XA) for Instance connection
Can anyone please help me with this?
Thanks.

Hi,
You are in a catch 22 situation, it won't work without a proper primary key defined, and a primary key is not suppose to contain nulls...
This type of case is one of the reasons I always tend to prefer to have surrogate keys on the database... If you had a surrogate key defined your problem just wouldn't exist.
Some references bellow...
http://pic.dhe.ibm.com/infocenter/cbi/v10r1m1/index.jsp?topic=%2Fcom.ibm.swg.ba.cognos.ug_ds.10.1.1.doc%2Fc_surrogatekeys.html
http://en.wikipedia.org/wiki/Surrogate_key
Cheers,
Vlad

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Can any one plz help on this.
Here the code
String insertIntoTestRequestQuery = "Insert into A values(?,?,?)";
PreparedStatement dbInsertStatement = connection.prepareStatement(insertIntoTestRequestQuery);
dbInsertStatement.setLong(1, 3L);
dbInsertStatement.setString(2,"test");
dbInsertStatement.setNull(3,java.sql.Types.NULL);
I am using Weblogic 9.2 with Oracle 9i
here the Spy Log
spy>> PreparedStatement[163].setNull(int parameterIndex, int sqlType)
spy>> parameterIndex = 1
spy>> sqlType = 0
spy>> java.sql.SQLException: [BEA][Oracle JDBC Driver]The specified SQL type is not supported by this driver. ErrorCode=0 SQLState=HY004
java.sql.SQLException: [BEA][Oracle JDBC Driver]The specified SQL type is not supported by this driver.
     at weblogic.jdbc.base.BaseExceptions.createException(Unknown Source)
     at weblogic.jdbc.base.BaseExceptions.getException(Unknown Source)
     at weblogic.jdbc.base.BasePreparedStatement.validateSqlType(Unknown Source)
     at weblogic.jdbc.base.BasePreparedStatement.setObjectInternal(Unknown Source)
     at weblogic.jdbc.base.BasePreparedStatement.setNull(Unknown Source)
     at weblogic.jdbcx.base.BasePreparedStatementWrapper.setNull(Unknown Source)
     at weblogic.jdbcspy.SpyPreparedStatement.setNull(Unknown Source)
     at weblogic.jdbc.wrapper.PreparedStatement.setNull(PreparedStatement.java:491)Hi. This is a known issue. Call official BEA support and open a case
so you will be notified when a new driver will have the fix. In the
meantime, if you set the Type to correspond to the DBMS's column type,
it will work. In fact, I'll bet that if you just set the Type to VARCHAR
it will work, regardless of the actual column type...
Joe

Problem while using SELECT Operation in DB Adapter

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