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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-10628" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-3e61ea9f-2b97-4fe5-8017-14a714bb12a1" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-10628" style="color: #3b73af; text-decoration: none">HHH-10628</a> </td>
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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-10628" style="color: #3b73af; text-decoration: none">QueryException if TYPE() is used in where condition on type with no subtype or supertype, ie. a single table.</a> </span> </td>
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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="nsandersen" id="email_nsandersen" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=nsandersen" style="color:#6c797f;; color: #3b73af; text-decoration: none">Nikolas Andersen</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">Related</span> <span class="diffaddedchars" style="background-color:#ddfade;">Appears related</span> <span class="diffcontext"> to HHH-9357</span> <span class="diffaddedchars" style="background-color:#ddfade;">.</span> <span class="diffcontext"> The attached test case works.<br><br>However, if we remove the table for Concrete2Sub by commenting out these 4 lines in Concrete2Sub:<br><br>@Entity(name="Concrete2Sub")<br>@Access(AccessType.FIELD)<br>@Table(name="CON2SUB")<br>@NamedQuery(name = "Concrete2SubTest", query = "SELECT p FROM Concrete2 p WHERE TYPE(p) = Concrete2Sub")<br><br>Then the query on the supertype Concrete2 (which does not refer to Concrete2Sub) becomes invalid and, as it is a named query, prevents the application from starting.<br><br>As I cannot predict whether somebody will remove a subclass later, I think the workaround would have to be some kind of reflection to determine whether Concrete2 has no concrete super class or sub class and in that case avoid appending the TYPE condition to the HQL.<br>I think the hibernate code is better positioned to do that<br><br>The error message is:<br><br>ERROR: HHH000177: Error in named query: Concrete2Test<br>org.hibernate.QueryException: could not resolve property: class of: andersen.hibernatetest.Concrete2 [SELECT p FROM andersen.hibernatetest.Concrete2 p WHERE TYPE(p) = Concrete2]<br> at org.hibernate.QueryException.generateQueryException(QueryException.java:120)<br> at org.hibernate.QueryException.wrapWithQueryString(QueryException.java:103)<br> at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:218)<br> at org.hibernate.hql.internal.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:142)<br> at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:115)<br> at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:76)<br> at org.hibernate.engine.query.spi.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:150)<br> at org.hibernate.internal.NamedQueryRepository.checkNamedQueries(NamedQueryRepository.java:155)<br> at org.hibernate.internal.SessionFactoryImpl.checkNamedQueries(SessionFactoryImpl.java:769)<br> at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:484)<br> at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:444)<br> at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:879)<br> at org.hibernate.jpa.HibernatePersistenceProvider.createEntityManagerFactory(HibernatePersistenceProvider.java:58)<br> at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:55)<br> at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:39)<br> at andersen.hibernatetest.PolyTest.initEntityManager(PolyTest.java:22)<br> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)<br> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)<br> at java.lang.reflect.Method.invoke(Method.java:483)<br> at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)<br> at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)<br> at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)<br> at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)<br> at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)<br> at org.junit.runners.ParentRunner.run(ParentRunner.java:309)<br> at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)<br> at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)<br> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)<br> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)<br> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)<br> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)<br>Caused by: org.hibernate.QueryException: could not resolve property: class of: andersen.hibernatetest.Concrete2<br> at org.hibernate.persister.entity.AbstractPropertyMapping.propertyException(AbstractPropertyMapping.java:62)<br> at org.hibernate.persister.entity.AbstractPropertyMapping.toType(AbstractPropertyMapping.java:56)<br> at org.hibernate.persister.entity.AbstractEntityPersister.getSubclassPropertyTableNumber(AbstractEntityPersister.java:1770)<br> at org.hibernate.persister.entity.BasicEntityPropertyMapping.toColumns(BasicEntityPropertyMapping.java:46)<br> at org.hibernate.persister.entity.AbstractEntityPersister.toColumns(AbstractEntityPersister.java:1745)<br> at org.hibernate.persister.entity.AbstractEntityPersister$3.getSqlFragment(AbstractEntityPersister.java:1822)<br> at org.hibernate.hql.internal.ast.tree.FromElement$TypeDiscriminatorMetadataImpl.getSqlFragment(FromElement.java:472)<br> at org.hibernate.hql.internal.ast.tree.MethodNode.typeDiscriminator(MethodNode.java:111)<br> at org.hibernate.hql.internal.ast.tree.MethodNode.resolve(MethodNode.java:80)<br> at org.hibernate.hql.internal.ast.HqlSqlWalker.processFunction(HqlSqlWalker.java:1074)<br> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.functionCall(HqlSqlBaseWalker.java:2740)<br> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.expr(HqlSqlBaseWalker.java:1358)<br> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.exprOrSubquery(HqlSqlBaseWalker.java:4710)<br> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.comparisonExpr(HqlSqlBaseWalker.java:4180)<br> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.logicalExpr(HqlSqlBaseWalker.java:2127)<br> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.whereClause(HqlSqlBaseWalker.java:810)<br> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:605)<br> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:309)<br> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:257)<br> at org.hibernate.hql.internal.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:262)<br> at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:190)<br> ... 29 more<br><br>Thank you!</span> 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