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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-10556" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-329360ad-dbb6-419a-ae23-3229d63ab955" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-10556" style="color: #3b73af; text-decoration: none">HHH-10556</a> </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Change By:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="gbadner" id="email_gbadner" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=gbadner" style="color:#6c797f;; color: #3b73af; text-decoration: none">Gail Badner</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <span class="diffcontext">The fix for HHH-</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">10556</span> <span class="diffaddedchars" style="background-color:#ddfade;">5948</span> <span class="diffcontext"> changed the collection role to be constructed using the entity that is the path source instead of the entity that declares the collection.<br><br>For example, here is a simplified version of the test added for HHH-10556, [SuperclassCollectionTest|https://github.com/hibernate/hibernate-orm/blob/master/hibernate-entitymanager/src/test/java/org/hibernate/jpa/test/criteria/SuperclassCollectionTest.java]:<br><br>{{<br>@MappedSuperclass<br>public class PersonBase {<br> @Id @GeneratedValue<br> Integer id;<br> @OneToMany(cascade = CascadeType.ALL)<br> List<Address> addresses = new ArrayList<Address>();<br>}<br><br>@Entity<br>public class Person extends PersonBase {<br> ...<br>}<br>}}<br><br>In the following {{CriteriaQuery}}:<br><br>{{<br>CriteriaBuilder cb = em.getCriteriaBuilder();<br>CriteriaQuery<Object> cq = cb.createQuery();<br>Root<?> root = cq.from( Person.class );<br>cq.select( root.get( "addresses" ) )...<br>}}<br><br>the collection role constructed for {{Person.addresses}} is "...Person.addresses", even though {{addresses}} is declared in {{PersonBase}}. I believe this is only correct in this case because {{PersonBase}} is a mappedsuperclass. IIRC, the role for a collection in a mappedsuperclass is considered to be in subclasses marked {@Entity} that extend a mappedsuperclass.<br><br>If another subclass is added:<br> <br>{{<br>@Entity<br>public class OtherPerson extends Person {<br>}<br>}}<br><br>and the {{CriteriaQuery}} is changed to:<br><br>{{<br>...<br>Root<?> root = cq.from( OtherPerson.class );<br>cq.select( root.get( "addresses" ) )...<br>}}<br><br>the collection role constructed for {{OtherPerson.addresses}} is "...OtherPerson.addresses", which causes the {{CriteriaQuery}} to fail because there is no such collection role. The constructed collection role should be "..Person.addresses" as well.</span> </td>
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