[hibernate-issues] [Hibernate-JIRA] Created: (HHH-5309) @IndexColumn + EagerFetch results in HibernateException

[Douglas Ferguson (JIRA)]

@IndexColumn + EagerFetch results in HibernateException
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                 Key: HHH-5309
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5309
             Project: Hibernate Core
          Issue Type: Bug
    Affects Versions: 3.5.1
            Reporter: Douglas Ferguson


If you query an entity that has a list with (@IndexColumn and Eager) and this list is empty there is an Exception.

It appears that the code is verifying that the index column it not null, but in this case the index column is null because the left join will bring back a null because the list empty...

The stack Trace:
	org.hibernate.HibernateException:null index column for collection: <<EntityClass>> 	
	org.hibernate.persister.collection.AbstractCollectionPersister.readIndex(AbstractCollectionPersister.java:771)
	org.hibernate.collection.PersistentList.readFrom(PersistentList.java:402)
	org.hibernate.loader.Loader.readCollectionElement(Loader.java:1052)
	org.hibernate.loader.Loader.readCollectionElements(Loader.java:690)
	org.hibernate.loader.Loader.getRowFromResultSet(Loader.java:630)
	org.hibernate.loader.Loader.doQuery(Loader.java:745)
	org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:270)
	org.hibernate.loader.Loader.doList(Loader.java:2294)
	org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2172)
	org.hibernate.loader.Loader.list(Loader.java:2167)
	org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:119)
	org.hibernate.impl.SessionImpl.list(SessionImpl.java:1706)
	org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:347)

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