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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-11452" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-3998d4ea-026a-4017-a137-e438ef945c21" height="16" width="16" border="0" align="absmiddle" alt="Improvement" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-11452" style="color: #3b73af; text-decoration: none">HHH-11452</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-11452" style="color: #3b73af; text-decoration: none">No scalar functions can be used in the Envers Query API</a> </span> </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">Issue Type:</th>
<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-3998d4ea-026a-4017-a137-e438ef945c21" height="16" width="16" border="0" align="absmiddle" alt="Improvement" style="vertical-align: text-bottom"> Improvement </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"> Unassigned </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"> 02/Feb/2017 12:34 PM </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-static-major-dacefc41-a081-4aef-b429-2f0c4e11d1e8" height="16" width="16" border="0" align="absmiddle" alt="Major" style="vertical-align: text-bottom"> Major </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="FiatLox" id="email_FiatLox" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=FiatLox" style="color:#6c797f;; color: #3b73af; text-decoration: none">Felix Feisst</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">While HQL supports scalar functions (see user guide <a href="http://docs.jboss.org/hibernate/orm/5.2/userguide/html_single/Hibernate_User_Guide.html#hql-exp-functions" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">15.27</a>) the envers query API does not support them. </p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">I suggest to change the signature of the method AuditProperty.function(String) to return an AuditProperty instead of an AuditProjection. Since AuditProperty implements AuditProjection this would not break existing code. However this change will break binary compatibility, is this a problem?</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Code example:</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px; border-radius: 3px; margin: 9px 0">
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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">
AuditReader reader = ...;
reader.createQuery()
.forEntitiesAtRevision(EntityA.class, 3)
.add(AuditEntity.property(<span class="code-quote" style="color: #009100">"number"</span>)
.function(<span class="code-quote" style="color: #009100">"STR"</span>).eqProperty(<span class="code-quote" style="color: #009100">"string"</span>))
</pre>
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