HHH-10128 - @Enumerated(EnumType.STRING) not working as expected with PosgreSQL database

(cherry picked from commit ac16e82)

Author: sebersole

hibernate-core/src/test/java/org/hibernate/test/annotations/enumerated/mappedSuperclass/EnumeratedWithMappedSuperclassTest.java

@@ -0,0 +1,185 @@
+/*
+ * 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.test.annotations.enumerated.mappedSuperclass;
+
+import java.io.Serializable;
+import java.sql.Types;
+import javax.persistence.Column;
+import javax.persistence.Enumerated;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.MappedSuperclass;
+import javax.persistence.Table;
+
+import org.hibernate.annotations.GenericGenerator;
+import org.hibernate.boot.Metadata;
+import org.hibernate.boot.MetadataSources;
+import org.hibernate.boot.registry.StandardServiceRegistry;
+import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
+import org.hibernate.cfg.AvailableSettings;
+import org.hibernate.dialect.PostgreSQL81Dialect;
+import org.hibernate.engine.spi.SessionFactoryImplementor;
+import org.hibernate.mapping.PersistentClass;
+import org.hibernate.mapping.Property;
+import org.hibernate.persister.entity.EntityPersister;
+import org.hibernate.type.CustomType;
+import org.hibernate.type.EnumType;
+
+import org.hibernate.testing.junit4.BaseUnitTestCase;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import static javax.persistence.EnumType.STRING;
+import static org.hibernate.testing.junit4.ExtraAssertions.assertTyping;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Originally developed to verify/diagnose HHH-10128
+ *
+ * @author Steve Ebersole
+ */
+public class EnumeratedWithMappedSuperclassTest extends BaseUnitTestCase {
+	private StandardServiceRegistry ssr;
+
+	@Before
+	public void before() {
+		ssr = new StandardServiceRegistryBuilder()
+				.applySetting( AvailableSettings.DIALECT, PostgreSQL81Dialect.class )
+				.build();
+	}
+
+	@After
+	public void after() {
+		if ( ssr != null ) {
+			StandardServiceRegistryBuilder.destroy( ssr );
+		}
+	}
+
+	@Test
+	public void testHHH10128() {
+		final Metadata metadata = new MetadataSources( ssr )
+				.addAnnotatedClass( Entity.class )
+				.addAnnotatedClass( DescriptionEntity.class )
+				.addAnnotatedClass( AddressLevel.class )
+				.buildMetadata();
+
+		final PersistentClass addressLevelBinding = metadata.getEntityBinding( AddressLevel.class.getName() );
+
+		final Property natureProperty = addressLevelBinding.getProperty( "nature" );
+		CustomType customType = assertTyping( CustomType.class, natureProperty.getType() );
+		EnumType enumType = assertTyping( EnumType.class, customType.getUserType() );
+		assertEquals( Types.VARCHAR, enumType.sqlTypes()[0] );
+
+		SessionFactoryImplementor sf = (SessionFactoryImplementor) metadata.buildSessionFactory();
+		try {
+			EntityPersister p = sf.getEntityPersister( AddressLevel.class.getName() );
+			CustomType runtimeType = assertTyping( CustomType.class, p.getPropertyType( "nature" ) );
+			EnumType runtimeEnumType = assertTyping( EnumType.class, runtimeType.getUserType() );
+			assertEquals( Types.VARCHAR, runtimeEnumType.sqlTypes()[0] );
+		}
+		finally {
+			sf.close();
+		}
+	}
+
+	@MappedSuperclass
+	public static abstract class Entity implements Serializable {
+		public static final String PROPERTY_NAME_ID = "id";
+		@Id
+		@GeneratedValue(generator = "uuid2")
+		@GenericGenerator(name = "uuid2", strategy = "uuid2")
+		@Column(columnDefinition = "varchar", unique = true, nullable = false)
+		private String id;
+
+		public String getId() {
+			return id;
+		}
+
+		public void setId(final String id) {
+			this.id = id;
+		}
+	}
+
+	@MappedSuperclass
+	public static abstract class DescriptionEntity extends Entity {
+		@Column(name = "description_lang1", nullable = false, length = 100)
+		private String descriptionLang1;
+		@Column(name = "description_lang2", length = 100)
+		private String descriptionLang2;
+		@Column(name = "description_lang3", length = 100)
+		private String descriptionLang3;
+
+		public String getDescriptionLang1() {
+			return this.descriptionLang1;
+		}
+
+		public void setDescriptionLang1(final String descriptionLang1) {
+			this.descriptionLang1 = descriptionLang1;
+		}
+
+		public String getDescriptionLang2() {
+			return this.descriptionLang2;
+		}
+
+		public void setDescriptionLang2(final String descriptionLang2) {
+			this.descriptionLang2 = descriptionLang2;
+		}
+
+		public String getDescriptionLang3() {
+			return this.descriptionLang3;
+		}
+
+		public void setDescriptionLang3(final String descriptionLang3) {
+			this.descriptionLang3 = descriptionLang3;
+		}
+	}
+
+	public static enum Nature {
+		LIST, EXLIST, INPUT
+	}
+
+	@javax.persistence.Entity(name = "AddressLevel")
+	@Table(name = "address_level")
+	public static class AddressLevel extends DescriptionEntity {
+//		@Column(columnDefinition = "varchar", nullable = false, length = 100)
+		@Enumerated(STRING)
+		private Nature nature;
+		@Column(nullable = false)
+		private Integer rank;
+		@Column(nullable = false)
+		private boolean required;
+
+		public AddressLevel() { // Do nothing, default constructor needed by JPA / Hibernate
+		}
+
+		public Nature getNature() {
+			return this.nature;
+		}
+
+		public void setNature(final Nature nature) {
+			this.nature = nature;
+		}
+
+		public Integer getRank() {
+			return this.rank;
+		}
+
+		public void setRank(final Integer rank) {
+			this.rank = rank;
+		}
+
+		public boolean getRequired() {
+			return this.required;
+		}
+
+		public void isRequired(final boolean required) {
+			this.required = required;
+		}
+	}
+
+}