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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-9815" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-ed92c2f8-fdf8-4d82-926d-2ffc6c8c5b60" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-9815" style="color: #3b73af; text-decoration: none">HHH-9815</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-9815" style="color: #3b73af; text-decoration: none">Type expression gives error when using path expression</a> </span>
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Issue Type:
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Affects Versions:
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4.3.9
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Unassigned
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Attachments:
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hibernate-type-issue.zip
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Components:
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hibernate-entitymanager
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Created:
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22/May/2015 03:28 AM
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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="sihaya" id="email_sihaya" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=sihaya" style="color:#6c797f;; color: #3b73af; text-decoration: none">Bob</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">When using the JPA 2.1 TYPE expression with a path expression such as "leaf.tree" an exception <span class="error">[1]</span> occurs when executing the query. It should be valid according to the jpa 2.1 spec. </p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">If the path expression is used as a join and the joined variable is used as the argument to the type expression the query works as expected.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">An example is (the example can also be found in the attached test case):</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">select l from Leaf l where TYPE(l.tree) = PineTree<br /> gives the exception <span class="error">[1]</span></p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">the following does work howerver<br /> select l from Leaf l join l.tree t where TYPE(t) = PineTree</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"><span class="error">[1]</span>:<br /> 2015-05-22 11:50:20,756 ERROR SessionFactoryImpl - HHH000177: Error in named query: type-fails<br /> org.hibernate.QueryException: could not resolve property: class of: hibernatetypeissue.Leaf <span class="error">[select l from hibernatetypeissue.Leaf l where TYPE(l.tree) = PineTree]</span><br /> at org.hibernate.QueryException.generateQueryException(QueryException.java:137)<br /> at org.hibernate.QueryException.wrapWithQueryString(QueryException.java:120)<br /> at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:234)<br /> at org.hibernate.hql.internal.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:158)<br /> at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:131)<br /> at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:93)<br /> at org.hibernate.engine.query.spi.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:167)<br /> at org.hibernate.internal.NamedQueryRepository.checkNamedQueries(NamedQueryRepository.java:161)<br /> at org.hibernate.internal.SessionFactoryImpl.checkNamedQueries(SessionFactoryImpl.java:1090)<br /> at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:536)<br /> at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1859)<br /> at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:857)<br /> at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:850)<br /> at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.withTccl(ClassLoaderServiceImpl.java:425)<br /> at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:849)<br /> at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:75)<br /> at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:54)<br /> at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:55)<br /> at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:39)</p>
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