<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
<base href="https://hibernate.atlassian.net">
<title>Message Title</title>
</head>
<body class="jira" style="color: #333333; font-family: Arial, sans-serif; font-size: 14px; line-height: 1.429">
<table id="background-table" cellpadding="0" cellspacing="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0; background-color: #f5f5f5; border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0" bgcolor="#f5f5f5">
<!-- header here -->
<tbody>
<tr>
<td id="header-pattern-container" style="padding: 0; border-collapse: collapse; padding: 10px 20px">
<table id="header-pattern" cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0">
<tbody>
<tr>
<td id="header-avatar-image-container" valign="top" style="padding: 0; border-collapse: collapse; vertical-align: top; width: 32px; padding-right: 8px" width="32"> <img id="header-avatar-image" class="image_fix" src="https://secure.gravatar.com/avatar/bf126cefe76fa191a780057f96fe8e06?d=https%3A%2F%2Favatar-management--avatars.us-west-2.prod.public.atl-paas.net%2Finitials%2FBL-6.png&size=48&s=48" height="32" width="32" border="0" style="border-radius: 3px; vertical-align: top"> </td>
<td id="header-text-container" valign="middle" style="padding: 0; border-collapse: collapse; vertical-align: middle; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 1px"> <a class="user-hover" rel="liubaogang" style="color:#6c797f;; color: #3b73af; text-decoration: none" id="email_liubaogang" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3A4604f420-ac92-4e97-828e-113a87df1920"> Baogang Liu </a> <strong>updated</strong> an issue </td>
</tr>
</tbody>
</table> </td>
</tr>
<tr>
<td id="email-content-container" style="padding: 0; border-collapse: collapse; padding: 0 20px">
<table id="email-content-table" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0; border-spacing: 0; border-collapse: separate">
<tbody>
<tr>
<!-- there needs to be content in the cell for it to render in some clients -->
<td class="email-content-rounded-top mobile-expand" style="padding: 0; border-collapse: collapse; color: #ffffff; padding: 0 15px 0 16px; height: 15px; background-color: #ffffff; border-left: 1px solid #cccccc; border-top: 1px solid #cccccc; border-right: 1px solid #cccccc; border-bottom: 0; border-top-right-radius: 5px; border-top-left-radius: 5px; height: 10px; line-height: 10px; padding: 0 15px 0 16px; mso-line-height-rule: exactly" height="10" bgcolor="#ffffff"> </td>
</tr>
<tr>
<td class="email-content-main mobile-expand " style="padding: 0; border-collapse: collapse; border-left: 1px solid #cccccc; border-right: 1px solid #cccccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #ffffff" bgcolor="#ffffff">
<table class="page-title-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0">
<tbody>
<tr>
<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?atlOrigin=eyJpIjoiNjQ0NjM5ZDA4NGJkNDE1N2IzZWY4OGE4N2M1ZGMxYTUiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-13652?atlOrigin=eyJpIjoiNjQ0NjM5ZDA4NGJkNDE1N2IzZWY4OGE4N2M1ZGMxYTUiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-679b4a51-5278-433d-ac83-8ed6ab4dbdda" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-13652?atlOrigin=eyJpIjoiNjQ0NjM5ZDA4NGJkNDE1N2IzZWY4OGE4N2M1ZGMxYTUiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">HHH-13652</a> </td>
</tr>
<tr>
<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-13652?atlOrigin=eyJpIjoiNjQ0NjM5ZDA4NGJkNDE1N2IzZWY4OGE4N2M1ZGMxYTUiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Can not use Fetch as parameter of treat() for downcasting</a> </span> </td>
</tr>
</tbody>
</table> </td>
</tr>
<tr>
<td class="email-content-main mobile-expand wrapper-special-margin" style="padding: 0; border-collapse: collapse; border-left: 1px solid #cccccc; border-right: 1px solid #cccccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #ffffff; padding-top: 10px; padding-bottom: 5px" bgcolor="#ffffff">
<table class="keyvalue-table" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0">
<tbody>
<tr>
<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: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="liubaogang" style="color:#6c797f;; color: #3b73af; text-decoration: none" id="email_liubaogang" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3A4604f420-ac92-4e97-828e-113a87df1920"> Baogang Liu </a> </td>
</tr>
</tbody>
</table> </td>
</tr>
<tr>
<td class="email-content-main mobile-expand issue-description-container" style="padding: 0; border-collapse: collapse; border-left: 1px solid #cccccc; border-right: 1px solid #cccccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #ffffff; padding-top: 5px; padding-bottom: 10px" bgcolor="#ffffff">
<table class="text-paragraph-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 2px">
<tbody>
<tr>
<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <span class="diffaddedchars" style="background-color:#ddfade;">Dear hibernate community,<br><br>(I post the problem to [https://discourse.hibernate.org/t/can-fetch-be-used-as-parameter-of-treat-for-downcasting/3301|https://discourse.hibernate.org/t/can-fetch-be-used-as-parameter-of-treat-for-downcasting/3301] but no response in several days. So I re-post the problem here.)<br><br>I am trying to use Fetch instead of Join as parameter of treat(), to avoid the problem that the duplicate join is generated by hibernate (as mentioned in [How can I do a JOIN FETCH in criteria api|https://discourse.hibernate.org/t/how-can-i-do-a-join-fetch-in-criteria-api/846]). I am using hibernate-core “5.4.5.Final” and Spring Boot “2.1.8.RELEASE”.<br><br>Say a fetch is: “Fetch<Object, Object> fetch = root.fetch(“friends”, JoinType.LEFT);”.<br><br>If call “criteriaBuilder.treat((SetJoin<?, ?>) fetch, (Class) SpecialDroid.class)”, below exception will be thrown:<br><br>{quote}java.lang.UnsupportedOperationException: null<br>at java.util.AbstractCollection.add(AbstractCollection.java:262) ~\[na:1.8.0_211]<br>at org.hibernate.query.criteria.internal.CriteriaBuilderImpl.treat(CriteriaBuilderImpl.java:1400) ~\[hibernate-core-5.4.5.Final.jar:5.4.5.Final]<br>at org.hibernate.query.criteria.internal.CriteriaBuilderImpl.treat(CriteriaBuilderImpl.java:1125) ~\[hibernate-core-5.4.5.Final.jar:5.4.5.Final]<br>at com.open_care.template_app.ignite_h2.controller.JPAQueryController.getFieldPredicates(JPAQueryController.java:57) ~\[main/:na]<br>at com.open_care.template_app.ignite_h2.controller.JPAQueryController.getAllEmployeesFromRepository(JPAQueryController.java:32) ~\[main/:na]<br>at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~\[na:1.8.0_211]<br>at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~\[na:1.8.0_211]<br>at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~\[na:1.8.0_211]<br>at java.lang.reflect.Method.invoke(Method.java:498) ~\[na:1.8.0_211]<br>at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190) ~\[spring-web-5.1.9.RELEASE.jar:5.1.9.RELEASE]<br>at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138) ~\[spring-web-5.1.9.RELEASE.jar:5.1.9.RELEASE]<br>at{quote}<br><br>If call “criteriaBuilder.treat((Path) fetch, (Class) SpecialDroid.class)”, later entityManager.createQuery() will report error:<br><br>{quote}org.hibernate.hql.internal.ast.QuerySyntaxException: Invalid path: ‘generatedAlias1.secondaryFunction’ \[select distinct human from com.open_care.template_app.ignite_h2.model.Human as human left join fetch human.friends as generatedAlias0 where treat(generatedAlias1 as com.open_care.template_app.ignite_h2.model.SpecialDroid).secondaryFunction like :param0]{quote}<br><br>Sounds that if hibernate can replace the ‘generatedAlias1’ in above query string with ‘generatedAlias0’, the problem can be solved.</span> </td>
</tr>
</tbody>
</table> </td>
</tr>
<tr>
<td class="email-content-main mobile-expand " style="padding: 0; border-collapse: collapse; border-left: 1px solid #cccccc; border-right: 1px solid #cccccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #ffffff" bgcolor="#ffffff"> <script type="application/ld+json">
{
"@context": "http://schema.org",
"@type": "EmailMessage",
"description": "View Issue",
"potentialAction": {
"@type": "ViewAction",
"target": "https://hibernate.atlassian.net/browse/HHH-13652?inbox=true&",
"name": "View Issue"
},
"publisher": {
"@type": "Organization",
"name": "Atlassian",
"url": "https://www.atlassian.com"
}
}
</script>
<table id="actions-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 1px">
<tbody>
<tr>
<td id="actions-pattern-container" valign="middle" style="padding: 0; border-collapse: collapse; padding: 10px 0 10px 24px; vertical-align: middle; padding-left: 0">
<table align="left" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0">
<tbody>
<tr>
<td class="actions-pattern-action-icon-container" style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 0; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-13652#add-comment?atlOrigin=eyJpIjoiNjQ0NjM5ZDA4NGJkNDE1N2IzZWY4OGE4N2M1ZGMxYTUiLCJwIjoiaiJ9" target="_blank" title="Add Comment" style="color: #3b73af; text-decoration: none"> <img class="actions-pattern-action-icon-image" src="cid:jira-generated-image-static-comment-icon-e990c166-63b3-4855-b601-c10397efa8c3" alt="Add Comment" title="Add Comment" height="16" width="16" border="0" style="vertical-align: middle"> </a> </td>
<td class="actions-pattern-action-text-container" style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 4px; padding-left: 5px"> <a href="https://hibernate.atlassian.net/browse/HHH-13652#add-comment?atlOrigin=eyJpIjoiNjQ0NjM5ZDA4NGJkNDE1N2IzZWY4OGE4N2M1ZGMxYTUiLCJwIjoiaiJ9" target="_blank" title="Add Comment" style="color: #3b73af; text-decoration: none">Add Comment</a> </td>
</tr>
</tbody>
</table> </td>
</tr>
</tbody>
</table> </td>
</tr>
<!-- there needs to be content in the cell for it to render in some clients -->
<tr>
<td class="email-content-rounded-bottom mobile-expand" style="padding: 0; border-collapse: collapse; color: #ffffff; padding: 0 15px 0 16px; height: 5px; line-height: 5px; background-color: #ffffff; border-top: 0; border-left: 1px solid #cccccc; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; border-bottom-right-radius: 5px; border-bottom-left-radius: 5px; mso-line-height-rule: exactly" height="5" bgcolor="#ffffff"> </td>
</tr>
</tbody>
</table> </td>
</tr>
<tr>
<td id="footer-pattern" style="padding: 0; border-collapse: collapse; padding: 12px 20px">
<table id="footer-pattern-container" cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0">
<tbody>
<tr>
<td id="footer-pattern-mobile-separated-links" class="mobile-resize-text" width="100%" colspan="2" style="padding: 0; border-collapse: collapse; color: #999999; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px"> Get Jira notifications on your phone! Download the Jira Cloud app for <a href="https://play.google.com/store/apps/details?id=com.atlassian.android.jira.core&referrer=utm_source%3DNotificationLink%26utm_medium%3DEmail" style="color: #3b73af; text-decoration: none">Android</a> or <a href="https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=EmailNotificationLink&mt=8" style="color: #3b73af; text-decoration: none">iOS</a>
<hr> </td>
</tr>
<tr>
<td id="footer-pattern-text" class="mobile-resize-text" width="100%" style="padding: 0; border-collapse: collapse; color: #999999; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px"> This message was sent by Atlassian Jira <span id="footer-build-information">(v1001.0.0-SNAPSHOT#100111-<span title="39a0b9ca01d3d9f060e249187c19f076380f7e60" data-commit-id="39a0b9ca01d3d9f060e249187c19f076380f7e60}">sha1:39a0b9c</span>)</span> </td>
<td id="footer-pattern-logo-desktop-container" valign="top" style="padding: 0; border-collapse: collapse; padding-left: 20px; vertical-align: top">
<table style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0">
<tbody>
<tr>
<td id="footer-pattern-logo-desktop-padding" style="padding: 0; border-collapse: collapse; padding-top: 3px; opacity: 0.150"> <img id="footer-pattern-logo-desktop" src="cid:jira-generated-image-static-footer-desktop-logo-2f311c54-13a3-45a8-9c52-60e2e569bde7" alt="Atlassian logo" title="Atlassian logo" width="192" height="24" class="image_fix"> </td>
</tr>
</tbody>
</table> </td>
</tr>
</tbody>
</table> </td>
</tr>
</tbody>
</table>
<img border="0" width="1" height="1" alt="" src="http://atlassian.et.e.sparkpost.com/q/AQGjOMvUG7qxCMLtCZhj_Q~~/AAAAAQA~/RgRfd-tMPlcLYXRsYXNzaWFudXNCCgAAzLeWXcJxWYxSIGhpYmVybmF0ZS1pc3N1ZXNAbGlzdHMuamJvc3Mub3JnWAQAAAAE">
</body>
</html>