HHH-15998 Add test for issue
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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.instantiation;
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import java.util.List;
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import org.hibernate.testing.orm.junit.DomainModel;
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import org.hibernate.testing.orm.junit.JiraKey;
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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.Entity;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.Id;
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import jakarta.persistence.ManyToOne;
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import jakarta.persistence.TypedQuery;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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/**
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* @author Marco Belladelli
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*/
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@SessionFactory
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@DomainModel(annotatedClasses = {
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DynamicInstantiationWithJoinAndGroupAndOrderByByTest.Item.class,
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DynamicInstantiationWithJoinAndGroupAndOrderByByTest.ItemSale.class
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})
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@JiraKey("HHH-15998")
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public class DynamicInstantiationWithJoinAndGroupAndOrderByByTest {
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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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Item item1 = new Item();
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item1.setName( "Item 1" );
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session.persist( item1 );
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Item item2 = new Item();
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item2.setName( "Item 2" );
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session.persist( item2 );
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ItemSale itemSale11 = new ItemSale();
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itemSale11.setItem( item1 );
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itemSale11.setTotal( 1d );
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session.persist( itemSale11 );
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ItemSale itemSale12 = new ItemSale();
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itemSale12.setItem( item1 );
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itemSale12.setTotal( 2d );
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session.persist( itemSale12 );
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ItemSale itemSale21 = new ItemSale();
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itemSale21.setItem( item2 );
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itemSale21.setTotal( 5d );
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session.persist( itemSale21 );
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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 ItemSale" ).executeUpdate();
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session.createMutationQuery( "delete from Item" ).executeUpdate();
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} );
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}
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@Test
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public void testInstantiationGroupByAndOrderBy(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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TypedQuery<Summary> query = session.createQuery(
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"select new " + getClass().getName() + "$Summary(i, sum(is.total))" +
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" from ItemSale is" +
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" join is.item i" +
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" group by i" +
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" order by i"
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,
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Summary.class
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);
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List<Summary> resultList = query.getResultList();
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assertEquals( 2, resultList.size() );
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assertEquals( "Item 1", resultList.get( 0 ).getItem().getName() );
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assertEquals( 3d, resultList.get( 0 ).getTotal() );
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assertEquals( "Item 2", resultList.get( 1 ).getItem().getName() );
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assertEquals( 5d, resultList.get( 1 ).getTotal() );
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} );
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}
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@Entity(name = "Item")
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public static class Item {
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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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public Long getId() {
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return id;
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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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@Entity(name = "ItemSale")
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public static class ItemSale {
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@Id
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@GeneratedValue
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private Long id;
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@ManyToOne(optional = false)
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private Item item;
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private Double total;
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public Long getId() {
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return id;
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}
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public Item getItem() {
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return item;
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}
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public void setItem(Item item) {
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this.item = item;
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}
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public Double getTotal() {
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return total;
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}
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public void setTotal(Double total) {
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this.total = total;
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}
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}
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public static class Summary {
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private final Item item;
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private final Double total;
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private Summary(Item item, Double total) {
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this.item = item;
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this.total = total;
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}
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public Item getItem() {
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return item;
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}
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public Double getTotal() {
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return total;
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}
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}
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}
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