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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-8974" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-7d1adb5b-62e6-4492-b26b-a99d954e90ed" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-8974" style="color: #3b73af; text-decoration: none">HHH-8974</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-8974" style="color: #3b73af; text-decoration: none">CriteriaBuilder.treat with DiscriminatorType String creates broken SQL case statement</a> </span>
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Issue Type:
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Affects Versions:
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4.3.1
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Assignee:
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Unassigned
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Components:
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entity-manager, query-criteria
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Created:
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17/Feb/14 1:39 PM
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Environment:
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Wildfly-8.0.0-Final, Windows 7, PostgreSQL 9.x, Oracle JDK 7
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Labels:
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jpa21 criteria query
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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="antonyudin" id="email_antonyudin" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=antonyudin" style="color:#6c797f;; color: #3b73af; text-decoration: none">Anton</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">CriteriaBuilder.treat statement generates SQL that does not put quotes around String discriminator values.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The generated SQL code has quotes only around last discriminator value, in my case around 'hrSignatureRequested'.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The discriminator column is declared this way:<br /> @DiscriminatorColumn(name = "classname", discriminatorType = DiscriminatorType.STRING, length = 1024)</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Before Hibernate 4.3.1, the discriminator column was ignored and the generated SQL used integer constants instead of strings and the query worked as expected.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I think the fix should not be very difficult, yet I failed to find exactly where the quotes should be generated in the source code of hibernate.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Here is a part of generated SQL:</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">select<br /> distinct casestarte0_.id as col_0_0_,<br /> casestarte0_.id as col_1_0_ <br /> from<br /> public.hrCaseStarted casestarte0_ <br /> inner join<br /> public.CaseStarted casestarte0_1_ <br /> on casestarte0_.id=casestarte0_1_.id <br /> inner join<br /> public.AbstractEvent casestarte0_2_ <br /> on casestarte0_.id=casestarte0_2_.id <br /> left outer join<br /> ....<br /> where<br /> (<br /> events1_.removed is null<br /> ) <br /> and (<br /> upper(events1_11_.lastName) like upper<img class="emoticon" src="https://hibernate.atlassian.net/images/icons/emoticons/help_16.gif" height="16" width="16" align="absmiddle" alt="" border="0" /><br /> ) <br /> and (<br /> casestarte0_.id is not null<br /> ) <br /> and case <br /> when casestarte0_4_.id is not null then hrSignatureRequested<br /> when casestarte0_3_.id is not null then hrFormCreated<br /> when casestarte0_.id is not null then 'hrCaseStarted' <br /> end=? <br /> and (<br /> casestarte0_2_.removed is null<br /> ) <br /> group by<br /> casestarte0_.id ,<br /> casestarte0_.id <br /> order by<br /> casestarte0_.id asc</p>
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