HHH-15694 Add test for issue

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

@@ -0,0 +1,125 @@
+package org.hibernate.orm.test.batch;
+
+import org.hibernate.annotations.BatchSize;
+
+import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.orm.junit.EntityManagerFactoryScope;
+import org.hibernate.testing.orm.junit.Jpa;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.Inheritance;
+import jakarta.persistence.InheritanceType;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.MappedSuperclass;
+import jakarta.persistence.criteria.CriteriaQuery;
+
+@Jpa(
+		annotatedClasses = {
+				BatchingInheritanceTest.Cheese.class,
+				BatchingInheritanceTest.SmellyCheese.class,
+				BatchingInheritanceTest.Smell.class,
+		}
+)
+@TestForIssue( jiraKey = "HHH-15694")
+public class BatchingInheritanceTest {
+
+	@BeforeEach
+	public void setUp(EntityManagerFactoryScope scope){
+		scope.inTransaction(
+			entityManager -> {
+				Smell smell = new Smell(1l, "mold");
+				SmellyCheese cheese = new SmellyCheese(2l, "Gorgonzola", smell);
+
+				entityManager.persist( smell );
+				entityManager.persist( cheese );
+			}
+		);
+	}
+
+	@Test
+	public void testCriteria(EntityManagerFactoryScope scope){
+		scope.inTransaction(
+			entityManager -> {
+				CriteriaQuery<Cheese> criteria = entityManager.getCriteriaBuilder().createQuery( Cheese.class);
+				entityManager.createQuery(criteria.select(criteria.from(Cheese.class))).getResultList();
+			}
+		);
+	}
+
+	@MappedSuperclass()
+	public static abstract class EntityBase {
+		@Id
+		private Long id;
+
+		private String name;
+
+		public EntityBase() {
+		}
+
+		public EntityBase(Long id, String name) {
+			this.id = id;
+			this.name = name;
+		}
+
+		public Long getId() {
+			return id;
+		}
+
+		public void setId(Long id) {
+			this.id = id;
+		}
+	}
+
+	@Entity(name = "Cheese")
+	@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
+	public static class Cheese extends EntityBase {
+
+		public Cheese() {
+		}
+
+		public Cheese(Long id, String name) {
+			super( id, name );
+		}
+	}
+
+	@Entity(name = "Smell")
+	@BatchSize(size = 10)
+	public static class Smell extends EntityBase {
+
+		public Smell() {
+		}
+
+		public Smell(Long id, String name) {
+			super( id, name );
+		}
+	}
+
+	@Entity(name = "SmellyCheese")
+	public static class SmellyCheese extends Cheese {
+		@JoinColumn(nullable = false)
+		@ManyToOne
+		private Smell smell;
+
+		public SmellyCheese() {
+		}
+
+		public SmellyCheese(Long id, String name, Smell smell) {
+			super(id, name);
+			this.smell = smell;
+		}
+
+
+		public Smell getSmell() {
+			return smell;
+		}
+
+		public void setSmell(Smell smell) {
+			this.smell = smell;
+		}
+	}
+}