[hibernate-issues] [Hibernate-JIRA] Created: (HHH-3872) Criteria on alias causes partial collection materialization

[Adrian Moos (JIRA)]

Criteria on alias causes partial collection materialization
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                 Key: HHH-3872
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3872
             Project: Hibernate Core
          Issue Type: Bug
          Components: query-criteria
    Affects Versions: 3.3.0.CR1
            Reporter: Adrian Moos


I have a parent entity with a one-to-many assocation to a child entity:

<hibernate-mapping package="ch.bedag.a11.ccinfo.business.entity" default-lazy="false">
	<class name="Parent" table="PARENT">
		<id name="id" type="long" column="ID" unsaved-value="null">
			<generator class="sequence">
				<param name="sequence">SEQ_T_PARENT</param>
			</generator>
		</id>

		<set name="children" cascade="all-delete-orphan" inverse="true">
			<key column="PARENT_ID" foreign-key="CHILD_FK1"/>
			<one-to-many class="Child"/>
		</set>
	</class>
	
	<class name="Child" 
		<id name="id" type="long" column="ID" unsaved-value="null">
			<generator class="sequence">
				<param name="sequence">SEQ_T_CHILD</param>
			</generator>
		</id>
		
		<property name="businessKey" column="BUSINESSKEY" not-null="true"/>
	</class>
</hibernate-mapping>

I then do:

        Criteria parentCriteria = aSession.createCriteria(Parent.class);                
        parentCriteria.createAlias("children", "c", CriteriaSpecification.LEFT_JOIN);
        parentCriteria.setResultTransformer(CriteriaSpecification.DISTINCT_ROOT_ENTITY);
                
        parentCriteria.add(Restrictions.eq("c.businessKey", 123456789));
        
        List parents = parentCriteria.list();

Expected behaviour: Since each parent in parents is a materialized entity, I'd expect its children set to contain all its children. 
Observed behaviour: It contains only children with matching business key.

Is my expectation correct?

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