HHH-17211 Add test for issue

hibernate-core/src/test/java/org/hibernate/orm/test/any/annotations/AnyExplicitSelectTest.java

@@ -0,0 +1,145 @@
+/*
+ * 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.any.annotations;
+
+import org.hibernate.annotations.Any;
+import org.hibernate.annotations.AnyDiscriminatorValue;
+import org.hibernate.annotations.AnyKeyJavaType;
+import org.hibernate.type.descriptor.java.LongJavaType;
+
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.Jira;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.Tuple;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Marco Belladelli
+ */
+@DomainModel( annotatedClasses = {
+		AnyExplicitSelectTest.DocumentEntity.class,
+		AnyExplicitSelectTest.DocClientEntity.class,
+} )
+@SessionFactory
+@Jira( "https://hibernate.atlassian.net/browse/HHH-17211" )
+public class AnyExplicitSelectTest {
+	@BeforeAll
+	public void setUp(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final DocClientEntity docClientEntity = new DocClientEntity( 1L, "test_client" );
+			session.persist( docClientEntity );
+			final DocumentEntity documentEntity = new DocumentEntity( 1L, "test_document" );
+			documentEntity.setParent( docClientEntity );
+			session.persist( documentEntity );
+		} );
+	}
+
+	@Test
+	public void testSelectAny(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final IDocumentEntity result = session.createQuery(
+					"select parent from DocumentEntity",
+					IDocumentEntity.class
+			).getSingleResult();
+			assertThat( result ).isInstanceOf( DocClientEntity.class );
+			assertThat( result.getName() ).isEqualTo( "test_client" );
+		} );
+	}
+
+	@Test
+	public void testSelectTuple(SessionFactoryScope scope) {
+		scope.inTransaction( session -> {
+			final Tuple result = session.createQuery(
+					"select id, name, parent from DocumentEntity",
+					Tuple.class
+			).getSingleResult();
+			assertThat( result.get( 0, Long.class ) ).isEqualTo( 1L );
+			assertThat( result.get( 1, String.class ) ).isEqualTo( "test_document" );
+			assertThat( result.get( 2, IDocumentEntity.class ).getName() ).isEqualTo( "test_client" );
+		} );
+	}
+
+	public interface IDocumentEntity {
+		Long getId();
+
+		String getName();
+	}
+
+	@Entity( name = "DocumentEntity" )
+	public static class DocumentEntity implements IDocumentEntity {
+		@Id
+		private Long id;
+
+		private String name;
+
+		@Any( fetch = FetchType.LAZY )
+		@JoinColumn( name = "parent_id" )
+		@Column( name = "parent_type" )
+		@AnyKeyJavaType( value = LongJavaType.class )
+		@AnyDiscriminatorValue( discriminator = "document", entity = DocumentEntity.class )
+		@AnyDiscriminatorValue( discriminator = "doc_client", entity = DocClientEntity.class )
+		private IDocumentEntity parent;
+
+		public DocumentEntity() {
+		}
+
+		public DocumentEntity(Long id, String name) {
+			this.id = id;
+			this.name = name;
+		}
+
+		@Override
+		public Long getId() {
+			return id;
+		}
+
+		@Override
+		public String getName() {
+			return name;
+		}
+
+		public void setParent(IDocumentEntity parent) {
+			this.parent = parent;
+		}
+	}
+
+	@Entity( name = "DocClientEntity" )
+	public static class DocClientEntity implements IDocumentEntity {
+		@Id
+		private Long id;
+
+		private String name;
+
+		public DocClientEntity() {
+		}
+
+		public DocClientEntity(Long id, String name) {
+			this.id = id;
+			this.name = name;
+		}
+
+		@Override
+		public Long getId() {
+			return id;
+		}
+
+		@Override
+		public String getName() {
+			return name;
+		}
+	}
+}