HHH-16928 Add test for issue
This commit is contained in:
Marco Belladelli
Christian Beikov
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18de71edff
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fb89a2493f
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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.query.hql;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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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.CollectionTable;
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import jakarta.persistence.ElementCollection;
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import jakarta.persistence.Embeddable;
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import jakarta.persistence.Entity;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.Id;
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import jakarta.persistence.JoinColumn;
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import jakarta.persistence.ManyToOne;
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import jakarta.persistence.OneToMany;
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import jakarta.persistence.Tuple;
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import static org.assertj.core.api.Assertions.assertThat;
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/**
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* @author Marco Belladelli
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*/
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@DomainModel( annotatedClasses = {
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ElementCollectionLeftJoinSubqueryTest.EntityA.class,
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ElementCollectionLeftJoinSubqueryTest.EntityB.class,
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ElementCollectionLeftJoinSubqueryTest.EmbeddableC.class
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} )
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@SessionFactory
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@Jira( "https://hibernate.atlassian.net/browse/HHH-16928" )
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public class ElementCollectionLeftJoinSubqueryTest {
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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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var b = new EntityB();
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b.getcCollection().add( new EmbeddableC( 1, "embeddable_1" ) );
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b.getcCollection().add( new EmbeddableC( 2, "embeddable_2" ) );
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session.persist( b );
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var a = new EntityA();
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a.getbCollection().add( b );
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session.persist( a );
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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 EntityB" ).executeUpdate();
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session.createMutationQuery( "delete from EntityA" ).executeUpdate();
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} );
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}
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@Test
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public void testNestedJoin(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final List<Tuple> resultList = session.createQuery(
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"select a.id, b.id, c.intValue" +
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" from EntityA a" +
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" left join EntityB b on b.a.id = a.id" +
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" left join b.cCollection as c" +
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" where (c.intValue = (select max(c2.intValue)" +
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" from b.cCollection as c2) or c.intValue is null)",
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Tuple.class
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).getResultList();
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assertThat( resultList ).hasSize( 1 );
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assertThat( resultList.get( 0 ).get( 2, Integer.class ) ).isEqualTo( 2 );
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} );
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}
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@Test
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public void testJoin(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final List<Tuple> resultList = session.createQuery(
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"select b.id, c.intValue" +
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" from EntityB b" +
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" left join b.cCollection as c" +
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" where (c.intValue = (select max(c2.intValue)" +
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" from b.cCollection as c2) or c.intValue is null)",
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Tuple.class
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).getResultList();
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assertThat( resultList ).hasSize( 1 );
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assertThat( resultList.get( 0 ).get( 1, Integer.class ) ).isEqualTo( 2 );
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} );
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}
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@Entity( name = "EntityA" )
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public static class EntityA {
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@Id
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@GeneratedValue
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private Integer id;
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@OneToMany
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@JoinColumn( name = "a_id" )
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private List<EntityB> bCollection = new ArrayList<>();
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public Integer getId() {
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return id;
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}
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public List<EntityB> getbCollection() {
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return bCollection;
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}
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}
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@Entity( name = "EntityB" )
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public static class EntityB {
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@Id
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@GeneratedValue
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private Integer id;
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@ManyToOne
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@JoinColumn( name = "a_id" )
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private EntityA a;
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@ElementCollection
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@CollectionTable( name = "c_embeddables", joinColumns = { @JoinColumn( name = "id" ) } )
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private final Set<EmbeddableC> cCollection = new HashSet<>();
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public EntityA getA() {
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return a;
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}
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public void setA(EntityA a) {
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this.a = a;
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}
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public Set<EmbeddableC> getcCollection() {
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return cCollection;
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}
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}
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@Embeddable
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public static class EmbeddableC {
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private Integer intValue;
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private String name;
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public EmbeddableC() {
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}
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public EmbeddableC(Integer intValue, String name) {
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this.intValue = intValue;
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this.name = name;
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}
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public Integer getIntValue() {
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return intValue;
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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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}
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