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