Helo there.
I am attempting to a execute a many-to-many get all query. To be clear, I am attepmting to get a collection within a collection to be pulled back. Ie, we will get a result set, but in that result set, there will be a collection of all objects linked to it via a foreign key. Now, to do this, I have a collection which I annotate thusly...
@ManyToMany
@JoinTable(name="QUICK_LAUNCH_DISTLIST",
joinColumns=@JoinColumn(name="QUICK_LAUNCH_ID"),
inverseJoinColumns=@JoinColumn(name="LIST_ID"))
private Collection<QuickLaunchDistlist> distributionLists;
Which seems to be just about text book... I call a named query which looks like this...
@NamedQuery(name="getQuickLaunch", query = "SELECT q FROM QuickLaunch q")
Which is executed like so...
qlList = emf.createNamedQuery("getQuickLaunch").getResultList();
Every time I make this call, I get back the expected data in the first collection. But none of the collections seem to populate with it. To find out why, I looked at the sql being generated by the call... This is what I find...
I get this exception...
This is a FFDC log generated for the Default Resource Adapter from source:com.ibm.ws.rsadapter.jdbc.WSJdbcPreparedStatement.executeQuery
The exception caught:java.sql.SQLSyntaxErrorException: ORA-00904: "T1"."QL_DISTLIST_ID": invalid identifier
SQL Error Code is 904 SQL State is :42000
Along with this query...
SELECT t1.QL_DISTLIST_ID, t2.LIST_ID, t2.CREATE_DATE, t2.CREATE_USERID, t2.description, t2.flag, t2.MOD_DATE, t2.MOD_USERID, t2.ORGANIZATION_ID, t2.owner, t2.STATUS_ID, t1.MESSAGE_TYPE_ID, t1.MOD_DATE, t1.MOD_USERID, t1.QUICK_LAUNCH_ID FROM EPCD13.QUICK_LAUNCH_DISTLIST t0, EPCD13.QUICK_LAUNCH_DISTLIST t1, EPCD13.DISTRIBUTION_LIST t2 WHERE t0.QUICK_LAUNCH_ID = ? AND t0.LIST_ID = t1.QL_DISTLIST_ID AND t1.LIST_ID = t2.LIST_ID(+)
If you look at the first column it request's to pull back you will notice that it selects t1.QL_DISTLIST_ID... Problem is, I have no such named column any where in my db!?!?!? Why on earth is that column being called? How does JPA generate the queries that it calls? If I knew that, I might be a little closer to figuring out what went wrong here or what I did wrong. Any help would be greatly appreciated.