HHH-17328 Add test for issue
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Marco Belladelli
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1b9c6073db
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/*
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* Hibernate, Relational Persistence for Idiomatic Java
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*
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* License: GNU Lesser General Public License (LGPL), version 2.1 or later
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* See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
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*/
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package org.hibernate.orm.test.mapping.inheritance;
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import java.util.List;
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import org.hibernate.Hibernate;
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import org.hibernate.annotations.FetchProfile;
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import org.hibernate.testing.jdbc.SQLStatementInspector;
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import org.hibernate.testing.orm.junit.DomainModel;
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import org.hibernate.testing.orm.junit.Jira;
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import org.hibernate.testing.orm.junit.SessionFactory;
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import org.hibernate.testing.orm.junit.SessionFactoryScope;
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import org.junit.jupiter.api.AfterAll;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.Test;
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import jakarta.persistence.DiscriminatorColumn;
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import jakarta.persistence.DiscriminatorValue;
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import jakarta.persistence.Entity;
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import jakarta.persistence.EntityGraph;
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import jakarta.persistence.FetchType;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.Id;
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import jakarta.persistence.Inheritance;
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import jakarta.persistence.InheritanceType;
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import jakarta.persistence.JoinColumn;
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import jakarta.persistence.ManyToOne;
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import jakarta.persistence.NamedAttributeNode;
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import jakarta.persistence.NamedEntityGraph;
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import jakarta.persistence.OneToMany;
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import jakarta.persistence.OneToOne;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.hibernate.jpa.SpecHints.HINT_SPEC_LOAD_GRAPH;
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/**
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* @author Jan Schatteman
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* @author Marco Belladelli
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*/
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@DomainModel( annotatedClasses = {
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InheritedTypeAssociationJoinedFetchTest.Animal.class,
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InheritedTypeAssociationJoinedFetchTest.Tiger.class,
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InheritedTypeAssociationJoinedFetchTest.Elephant.class,
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InheritedTypeAssociationJoinedFetchTest.Zoo.class,
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} )
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@SessionFactory( useCollectingStatementInspector = true )
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@Jira( "https://hibernate.atlassian.net/browse/HHH-17328" )
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public class InheritedTypeAssociationJoinedFetchTest {
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@BeforeAll
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public void setUp(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final Zoo zoo = new Zoo( 1L );
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session.persist( zoo );
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session.persist( new Tiger( "tiger", zoo ) );
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session.persist( new Elephant( "elephant", zoo ) );
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} );
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}
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@AfterAll
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public void tearDown(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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session.createMutationQuery( "delete from Animal" ).executeUpdate();
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session.createMutationQuery( "delete from Zoo" ).executeUpdate();
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} );
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}
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@Test
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public void testExplicitJoinFetch(SessionFactoryScope scope) {
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final SQLStatementInspector inspector = scope.getCollectingStatementInspector();
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inspector.clear();
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scope.inTransaction( session -> {
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final Zoo zoo = session.createQuery(
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"from Zoo z join fetch z.tiger join fetch z.elephants",
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Zoo.class
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).getSingleResult();
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assertResult( zoo, inspector );
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} );
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}
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@Test
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public void testEntityGraph(SessionFactoryScope scope) {
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final SQLStatementInspector inspector = scope.getCollectingStatementInspector();
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inspector.clear();
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scope.inTransaction( session -> {
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final EntityGraph<?> entityGraph = session.getEntityGraph( "graph-with-all-animals" );
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final Zoo zoo = session.createQuery( "from Zoo", Zoo.class )
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.setHint( HINT_SPEC_LOAD_GRAPH, entityGraph )
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.getSingleResult();
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assertResult( zoo, inspector );
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} );
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}
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@Test
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public void testFetchProfile(SessionFactoryScope scope) {
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final SQLStatementInspector inspector = scope.getCollectingStatementInspector();
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inspector.clear();
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scope.inTransaction( session -> {
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session.enableFetchProfile( "profile-with-all-animals" );
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final Zoo zoo = session.createQuery( "from Zoo", Zoo.class )
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.getSingleResult();
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assertResult( zoo, inspector );
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} );
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}
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private void assertResult(final Zoo zoo, final SQLStatementInspector inspector) {
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assertThat( Hibernate.isInitialized( zoo.getTiger() ) ).isTrue();
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assertThat( zoo.getTiger().getName() ).isEqualTo( "tiger" );
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assertThat( Hibernate.isInitialized( zoo.getElephants() ) ).isTrue();
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assertThat( zoo.getElephants() ).hasSize( 1 );
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assertThat( zoo.getElephants().get( 0 ).getName() ).isEqualTo( "elephant" );
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inspector.assertExecutedCount( 1 );
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inspector.assertNumberOfOccurrenceInQueryNoSpace( 0, "animal_type", 2 );
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}
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@Entity( name = "Animal" )
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@Inheritance( strategy = InheritanceType.SINGLE_TABLE )
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@DiscriminatorColumn( name = "animal_type" )
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public static class Animal {
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@Id
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@GeneratedValue
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private Long id;
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private String name;
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@ManyToOne
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@JoinColumn( name = "zoo_id" )
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private Zoo zoo;
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public Animal() {
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}
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public Animal(String name, Zoo zoo) {
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this.name = name;
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this.zoo = zoo;
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}
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public String getName() {
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return name;
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}
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}
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@Entity( name = "Tiger" )
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@DiscriminatorValue( "Tiger" )
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public static class Tiger extends Animal {
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public Tiger() {
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}
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public Tiger(String name, Zoo zoo) {
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super( name, zoo );
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}
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}
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@Entity( name = "Elephant" )
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@DiscriminatorValue( "Elephant" )
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public static class Elephant extends Animal {
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public Elephant() {
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}
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public Elephant(String name, Zoo zoo) {
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super( name, zoo );
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}
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}
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@Entity( name = "Zoo" )
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@NamedEntityGraph( name = "graph-with-all-animals", attributeNodes = {
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@NamedAttributeNode( value = "tiger" ),
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@NamedAttributeNode( value = "elephants" )
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} )
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@FetchProfile( name = "profile-with-all-animals", fetchOverrides = {
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@FetchProfile.FetchOverride( association = "tiger", entity = Zoo.class, fetch = FetchType.EAGER ),
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@FetchProfile.FetchOverride( association = "elephants", entity = Zoo.class, fetch = FetchType.EAGER ),
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} )
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public static class Zoo {
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@Id
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private Long id;
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@OneToOne( mappedBy = "zoo", fetch = FetchType.LAZY )
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private Tiger tiger;
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@OneToMany( mappedBy = "zoo", fetch = FetchType.LAZY )
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private List<Elephant> elephants;
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public Zoo() {
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}
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public Zoo(Long id) {
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this.id = id;
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}
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public Tiger getTiger() {
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return tiger;
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}
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public List<Elephant> getElephants() {
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return elephants;
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}
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}
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}
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