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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-9394" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-5f191e70-ea19-4dac-97ff-da8b8acba9d1" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-9394" style="color: #3b73af; text-decoration: none">HHH-9394</a>
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<td style="vertical-align: top;; padding: 0px; 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-9394" style="color: #3b73af; text-decoration: none">Still seeing inner join problem in 4.3.6</a> </span>
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Issue Type:
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Affects Versions:
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4.3.6
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Unassigned
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Components:
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query-hql
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Created:
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11/Sep/2014 08:55 AM
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Priority:
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Reporter:
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<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="rhinmass" id="email_rhinmass" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=rhinmass" style="color:#6c797f;; color: #3b73af; text-decoration: none">Robin Hughes</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Given this HQL:</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">"select p, p.department from Person p left outer join p.department"</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I would expect to get results for Person's who have a null department ID.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">But instead the generated SQL is adding an inner join clause, filtering out those Persons without a department.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">select <br /> person0_.ID as ID1_1_0_, <br /> department2_.ID as ID1_0_1_, <br /> person0_.NAME as NAME2_1_0_, <br /> person0_.DEPARTMENT_ID as DEPARTME3_1_0_, <br /> department2_.NAME as NAME2_0_1_ <br /> from <br /> PERSON person0_ <br /> left outer join DEPT department1_ on person0_.DEPARTMENT_ID=department1_.ID <br /> inner join DEPT department2_ on person0_.DEPARTMENT_ID=department2_.ID</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">That second inner join seems incorrect.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">This seems to be similar, if not the same as <a href="https://hibernate.atlassian.net/browse/HHH-9284" title="Joined subclass query is invalidly inner joining when it should outer join " class="issue-link" data-issue-key="HHH-9284" style="color: #3b73af; text-decoration: none"></a></p>
<del>
HHH-9284
</del> and <a href="https://hibernate.atlassian.net/browse/HHH-8980" title="Instance of super-class not found because of joined subclass reference is an inner join" class="issue-link" data-issue-key="HHH-8980" style="color: #3b73af; text-decoration: none"></a>
<del>
HHH-8980
</del> which were closed as fixed in 4.3.6. But the above scenario occurs in 4.3.6.
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