HHH-16202 Add test for issue
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package org.hibernate.orm.test.fetch;
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import java.util.ArrayList;
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import java.util.List;
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import org.hibernate.annotations.Fetch;
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import org.hibernate.annotations.FetchMode;
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import org.hibernate.testing.TestForIssue;
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import org.hibernate.testing.orm.junit.DomainModel;
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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.BeforeAll;
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import org.junit.jupiter.api.Test;
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import jakarta.persistence.CascadeType;
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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.OrderBy;
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import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
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@DomainModel(
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annotatedClasses = {
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FetchModeSubselectAndOrderByTest.Parent.class,
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FetchModeSubselectAndOrderByTest.Child.class
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}
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)
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@SessionFactory
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@TestForIssue(jiraKey = "HHH-16202")
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public class FetchModeSubselectAndOrderByTest {
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@BeforeAll
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public void setUp(SessionFactoryScope scope) {
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scope.inTransaction(
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session -> {
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Parent parent = new Parent( "Filippo" );
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Child child = new Child( parent, "Luigi" );
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Child child2 = new Child( parent, "And" );
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Child child3 = new Child( parent, "Mary" );
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session.persist( child );
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session.persist( child2 );
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session.persist( child3 );
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}
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);
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}
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@Test
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public void testSelect(SessionFactoryScope scope) {
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scope.inTransaction(
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session -> {
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List<Parent> parents = session.createQuery( "select p from Parent p", Parent.class ).list();
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assertThat( parents.size() ).isEqualTo( 1 );
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Parent parent = parents.get( 0 );
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List<Child> children = parent.getChildren();
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assertThat( children.size() ).isEqualTo( 3 );
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assertThat( children.get( 0 ).getName() ).isEqualTo( "And" );
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assertThat( children.get( 1 ).getName() ).isEqualTo( "Luigi" );
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assertThat( children.get( 2 ).getName() ).isEqualTo( "Mary" );
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}
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);
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}
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@Entity(name = "Parent")
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public static class Parent {
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@Id
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@GeneratedValue
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private Integer id;
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private String name;
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@OneToMany(mappedBy = "parent", cascade = CascadeType.ALL)
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@Fetch(value = FetchMode.SUBSELECT)
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@OrderBy("name ASC")
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private List<Child> children = new ArrayList<>();
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public Parent() {
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}
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public Parent(String name) {
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this.name = name;
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}
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public Integer getId() {
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return id;
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}
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public void setId(Integer id) {
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this.id = id;
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}
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public List<Child> getChildren() {
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return children;
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}
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public void setChildren(List<Child> children) {
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this.children = children;
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}
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}
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@Entity(name = "Child")
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public static class Child {
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@Id
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@GeneratedValue
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private Integer id;
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@ManyToOne(cascade = CascadeType.ALL)
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@JoinColumn(name = "parent_id", nullable = false)
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private Parent parent;
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private String name;
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public Child(Parent parent, String name) {
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this.parent = parent;
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parent.children.add( this );
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this.name = name;
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}
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public Child() {
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}
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public Integer getId() {
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return id;
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}
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public void setId(Integer id) {
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this.id = id;
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}
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public Parent getParent() {
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return parent;
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}
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public void setParent(Parent parent) {
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this.parent = parent;
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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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public void setName(String name) {
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this.name = name;
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}
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}
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}
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