HHH-16349 Add test for issue
This commit is contained in:
Marco Belladelli
Andrea Boriero
parent
a22a2c8327
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7d94921dc9
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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.inheritance;
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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.Column;
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import jakarta.persistence.DiscriminatorColumn;
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import jakarta.persistence.DiscriminatorType;
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import jakarta.persistence.DiscriminatorValue;
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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 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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@SessionFactory( useCollectingStatementInspector = true )
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@DomainModel( annotatedClasses = {
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InheritanceQueryGroupByTest.Parent.class,
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InheritanceQueryGroupByTest.ChildOne.class,
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InheritanceQueryGroupByTest.ChildTwo.class,
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InheritanceQueryGroupByTest.MyEntity.class
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} )
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@Jira( "https://hibernate.atlassian.net/browse/HHH-16349" )
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public class InheritanceQueryGroupByTest {
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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 ChildOne childOne = new ChildOne( "child_one", 1 );
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session.persist( childOne );
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session.persist( new MyEntity( 1, childOne ) );
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session.persist( new MyEntity( 2, childOne ) );
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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 MyEntity" ).executeUpdate();
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session.createMutationQuery( "delete from Parent" ).executeUpdate();
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} );
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}
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@Test
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public void testGroupBy(SessionFactoryScope scope) {
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final SQLStatementInspector statementInspector = scope.getCollectingStatementInspector();
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statementInspector.clear();
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scope.inTransaction( session -> {
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final MyPojo myPojo = session.createQuery(
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"select new "
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+ MyPojo.class.getName()
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+ "(sum(e.amount), re) from MyEntity e join e.parent re group by re",
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MyPojo.class
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).getSingleResult();
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assertThat( myPojo.getAmount() ).isEqualTo( 3L );
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assertThat( myPojo.getParent().getName() ).isEqualTo( "child_one" );
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statementInspector.assertNumberOfOccurrenceInQueryNoSpace( 0, "child_one_col", 2 );
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statementInspector.assertNumberOfOccurrenceInQueryNoSpace( 0, "child_two_col", 2 );
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} );
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}
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@Test
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public void testGroupByNotSelected(SessionFactoryScope scope) {
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final SQLStatementInspector statementInspector = scope.getCollectingStatementInspector();
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statementInspector.clear();
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scope.inTransaction( session -> {
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final Long sum = session.createQuery(
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"select sum(e.amount) from MyEntity e join e.parent re group by re",
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Long.class
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).getSingleResult();
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assertThat( sum ).isEqualTo( 3L );
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// When not selected, group by should only use the foreign key (parent_id)
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statementInspector.assertNumberOfOccurrenceInQueryNoSpace( 0, "parent_id", 2 );
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statementInspector.assertNumberOfOccurrenceInQueryNoSpace( 0, "child_one_col", 0 );
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statementInspector.assertNumberOfOccurrenceInQueryNoSpace( 0, "child_two_col", 0 );
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} );
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}
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@Test
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public void testGroupByAndOrderBy(SessionFactoryScope scope) {
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final SQLStatementInspector statementInspector = scope.getCollectingStatementInspector();
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statementInspector.clear();
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scope.inTransaction( session -> {
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final MyPojo myPojo = session.createQuery(
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"select new "
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+ MyPojo.class.getName()
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+ "(sum(e.amount), re) from MyEntity e join e.parent re group by re order by re",
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MyPojo.class
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).getSingleResult();
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assertThat( myPojo.getAmount() ).isEqualTo( 3L );
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assertThat( myPojo.getParent().getName() ).isEqualTo( "child_one" );
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statementInspector.assertNumberOfOccurrenceInQueryNoSpace( 0, "child_one_col", 3 );
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statementInspector.assertNumberOfOccurrenceInQueryNoSpace( 0, "child_two_col", 3 );
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} );
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}
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@Test
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public void testGroupByAndOrderByNotSelected(SessionFactoryScope scope) {
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final SQLStatementInspector statementInspector = scope.getCollectingStatementInspector();
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statementInspector.clear();
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scope.inTransaction( session -> {
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final Long sum = session.createQuery(
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"select sum(e.amount) from MyEntity e join e.parent re group by re order by re",
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Long.class
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).getSingleResult();
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assertThat( sum ).isEqualTo( 3L );
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// When not selected, group by and order by should only use the foreign key (parent_id)
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statementInspector.assertNumberOfOccurrenceInQueryNoSpace( 0, "parent_id", 3 );
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statementInspector.assertNumberOfOccurrenceInQueryNoSpace( 0, "child_one_col", 0 );
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statementInspector.assertNumberOfOccurrenceInQueryNoSpace( 0, "child_two_col", 0 );
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} );
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}
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@Entity( name = "Parent" )
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@DiscriminatorColumn( name = "disc_col", discriminatorType = DiscriminatorType.INTEGER )
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public abstract static class Parent {
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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 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 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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}
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@Entity( name = "ChildOne" )
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@DiscriminatorValue( "1" )
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public static class ChildOne extends Parent {
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@Column( name = "child_one_col" )
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private Integer childOneProp;
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public ChildOne() {
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}
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public ChildOne(String name, Integer childOneProp) {
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super( name );
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this.childOneProp = childOneProp;
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}
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}
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@Entity( name = "ChildTwo" )
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@DiscriminatorValue( "2" )
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public static class ChildTwo extends Parent {
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@Column( name = "child_two_col" )
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private Integer childTwoProp;
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public ChildTwo() {
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}
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public ChildTwo(String name, Integer childTwoProp) {
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super( name );
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this.childTwoProp = childTwoProp;
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}
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}
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@Entity( name = "MyEntity" )
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public static class MyEntity {
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@Id
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@GeneratedValue
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private Long id;
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private Integer amount;
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@ManyToOne
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@JoinColumn( name = "parent_id" )
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private Parent parent;
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public MyEntity() {
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}
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public MyEntity(Integer amount, Parent parent) {
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this.amount = amount;
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this.parent = parent;
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}
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}
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public static class MyPojo {
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private final Long amount;
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private final Parent parent;
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public MyPojo(Long amount, Parent parent) {
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this.amount = amount;
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this.parent = parent;
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}
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public Long getAmount() {
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return amount;
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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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}
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}
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