HHH-16517 Add test for issue

hibernate-core/src/test/java/org/hibernate/orm/test/batch/BatchUpdateAndJoinedInheritanceTest.java

@@ -0,0 +1,118 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later
+ * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
+ */
+package org.hibernate.orm.test.batch;
+
+import org.hibernate.cfg.AvailableSettings;
+
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.Jira;
+import org.hibernate.testing.orm.junit.ServiceRegistry;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.hibernate.testing.orm.junit.Setting;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.Inheritance;
+import jakarta.persistence.InheritanceType;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * @author Marco Belladelli
+ */
+@SessionFactory
+@DomainModel( annotatedClasses = {
+		BatchUpdateAndJoinedInheritanceTest.JoinedBase.class,
+		BatchUpdateAndJoinedInheritanceTest.JoinedEntity.class
+} )
+@ServiceRegistry( settings = @Setting( name = AvailableSettings.STATEMENT_BATCH_SIZE, value = "5" ) )
+@Jira( "https://hibernate.atlassian.net/browse/HHH-16517" )
+public class BatchUpdateAndJoinedInheritanceTest {
+	@AfterAll
+	public void tearDown(SessionFactoryScope scope) {
+		scope.inTransaction( session -> session.createMutationQuery( "delete from JoinedBase" ).executeUpdate() );
+	}
+
+	@Test
+	public void testMultipleUpdates(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			JoinedEntity entity = new JoinedEntity( 1L, "original_name", 0 );
+			session.persist( entity );
+			session.flush();
+			session.clear();
+			// first update
+			entity = session.get( JoinedEntity.class, 1L );
+			entity.setName( "updated_name" );
+			entity.setValue( 1 );
+			session.flush();
+			session.clear();
+			// second update
+			entity = session.get( JoinedEntity.class, 1L );
+			assertEquals( "updated_name", entity.getName() );
+			assertEquals( 1, entity.getValue() );
+			entity.setName( "updated_name_2" );
+			entity.setValue( 2 );
+			session.flush();
+			session.clear();
+			// final assertions
+			entity = session.get( JoinedEntity.class, 1L );
+			assertEquals( "updated_name_2", entity.getName() );
+			assertEquals( 2, entity.getValue() );
+		} );
+	}
+
+	@Entity( name = "JoinedBase" )
+	@Inheritance( strategy = InheritanceType.JOINED )
+	public static class JoinedBase {
+		@Id
+		private Long id;
+
+		@Column( name = "value_col" )
+		private Integer value;
+
+		public JoinedBase() {
+		}
+
+		public JoinedBase(Long id, Integer value) {
+			this.id = id;
+			this.value = value;
+		}
+
+		public Integer getValue() {
+			return value;
+		}
+
+		public void setValue(Integer value) {
+			this.value = value;
+		}
+	}
+
+	@Entity( name = "JoinedEntity" )
+	public static class JoinedEntity extends JoinedBase {
+		private String name;
+
+		public JoinedEntity() {
+		}
+
+		public JoinedEntity(Long id, String name, Integer value) {
+			super( id, value );
+			this.name = name;
+		}
+
+		public String getName() {
+			return name;
+		}
+
+		public void setName(String name) {
+			this.name = name;
+		}
+	}
+}