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<td class="page-title-pattern-first-line " style="padding: 0; 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-11909" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-7c54d4a2-56f1-4383-bf85-4e9dac21c2de" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-11909" style="color: #3b73af; text-decoration: none">HHH-11909</a> </td>
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<td style="vertical-align: top;; padding: 0; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-11909" style="color: #3b73af; text-decoration: none">AuditReader returns deleted references </a> </span> </td>
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<td class="has-icon" style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-avatar-7c54d4a2-56f1-4383-bf85-4e9dac21c2de" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"> Bug </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">Affects Versions:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 5.0.9 </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="crancran" id="email_crancran" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=crancran" style="color:#6c797f;; color: #3b73af; text-decoration: none">Chris Cranford</a> </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> hibernate-envers </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">Created:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 04/Aug/2017 02:43 AM </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="hens.markus" id="email_hens.markus" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=hens.markus" style="color:#6c797f;; color: #3b73af; text-decoration: none">Markus Hens</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0; margin-top: 0">Hi,</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">I found different behavior in Oracle and H2 when using AuditReader.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Given is ClassA and ClassB. ClassA has a set of type ClassB which is an ElementCollection which means ClassB is an @Embeddable while ClassA is an @Entity.</p>
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<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
@Audited
<span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">class </span>A{
@ElementCollection
@LazyCollection(LazyCollectionOption.TRUE)
<span class="code-keyword" style="color: #000091">protected</span> Set<ClassB> roles = <span class="code-keyword" style="color: #000091">new</span> LinkedHashSet<>();
}
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Problem occures in following scenario:</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">1. Persist an object of type ClassA with one reference to an object1 of type ClassB.<br> 2. Load object of type ClassA from db (entityManager), change the reference means remove object1 from set and add object2 of type ClassB to set<br> 3. Update ClassA<br> 4. Load object of type ClassA via AuditReader in newest revision.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"><b>Result:</b></p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">H2.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Loaded object has one reference in Set which is object2 of type classB</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Oracle:</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Loaded object has two references in Set which are object1 and object2 of type classB.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">In my opinion only the result from H2 is correct because in both tables object1 is marked with REV_TYPE=2 (Deleted) in latest revision.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">In fact it leads to wrong results because the loaded object of type ClassA does not describe the correct state at this revision.</p> </td>
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