HHH-1872 - Fix Hibernate should handle hbm.auto = update with views

hibernate-core/src/main/java/org/hibernate/tool/schema/internal/SchemaMigratorImpl.java

@@ -127,6 +127,9 @@ public class SchemaMigratorImpl implements SchemaMigrator {
 				}
 				checkExportIdentifier( table, exportIdentifiers );
 				final TableInformation tableInformation = existingDatabase.getTableInformation( table.getQualifiedTableName() );
+				if ( tableInformation != null && !tableInformation.isPhysicalTable() ) {
+					continue;
+				}
 				if ( tableInformation == null ) {
 					createTable( table, metadata, targets );
 				}
@@ -145,6 +148,9 @@ public class SchemaMigratorImpl implements SchemaMigrator {
 					// big problem...
 					throw new SchemaManagementException( "BIG PROBLEM" );
 				}
+				if ( !tableInformation.isPhysicalTable() ) {
+					continue;
+				}
 
 				applyIndexes( table, tableInformation, metadata, targets );
 				applyUniqueKeys( table, tableInformation, metadata, targets );

hibernate-core/src/test/java/org/hibernate/test/schemaupdate/SchemaUpdateWithViewsTest.java

@@ -0,0 +1,106 @@
+/*
+ * 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.schemaupdate;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Index;
+import javax.persistence.Table;
+
+import org.hibernate.Query;
+import org.hibernate.Session;
+import org.hibernate.Transaction;
+import org.hibernate.boot.MetadataSources;
+import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
+import org.hibernate.boot.spi.MetadataImplementor;
+import org.hibernate.cfg.Environment;
+import org.hibernate.dialect.PostgreSQL81Dialect;
+import org.hibernate.service.ServiceRegistry;
+import org.hibernate.tool.hbm2ddl.SchemaExport;
+import org.hibernate.tool.hbm2ddl.SchemaUpdate;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import org.hibernate.testing.RequiresDialect;
+import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.junit4.BaseNonConfigCoreFunctionalTestCase;
+
+/**
+ * @author Andrea Boriero
+ */
+@TestForIssue(jiraKey = "HHH-1872")
+@RequiresDialect(PostgreSQL81Dialect.class)
+public class SchemaUpdateWithViewsTest extends BaseNonConfigCoreFunctionalTestCase {
+	protected ServiceRegistry serviceRegistry;
+	protected MetadataImplementor metadata;
+
+	@Test
+	public void testUpdateSchema() {
+		SchemaUpdate schemaUpdate = new SchemaUpdate( serviceRegistry, metadata );
+		schemaUpdate.execute( true, true );
+	}
+
+	@Before
+	public void setUp() {
+		createViewWithSameNameOfEntityTable();
+		serviceRegistry = new StandardServiceRegistryBuilder()
+				.applySetting( Environment.GLOBALLY_QUOTED_IDENTIFIERS, "false" )
+				.applySetting( Environment.DEFAULT_SCHEMA, "public" )
+				.build();
+		metadata = (MetadataImplementor) new MetadataSources( serviceRegistry )
+				.addAnnotatedClass( MyEntity.class )
+				.buildMetadata();
+	}
+
+	private void createViewWithSameNameOfEntityTable() {
+		Session session = openSession();
+		Transaction transaction = session.beginTransaction();
+		Query query = session.createSQLQuery( "CREATE VIEW MyEntity AS SELECT 'Hello World' " );
+		query.executeUpdate();
+		transaction.commit();
+		session.close();
+	}
+
+	@After
+	public void tearDown() {
+		dropView();
+		System.out.println( "********* Starting SchemaExport (drop) for TEAR-DOWN *************************" );
+		SchemaExport schemaExport = new SchemaExport( serviceRegistry, metadata );
+		schemaExport.drop( true, true );
+		System.out.println( "********* Completed SchemaExport (drop) for TEAR-DOWN *************************" );
+
+		StandardServiceRegistryBuilder.destroy( serviceRegistry );
+		serviceRegistry = null;
+	}
+
+	private void dropView() {
+		Session session = openSession();
+		Transaction transaction = session.beginTransaction();
+		Query query = session.createSQLQuery( "DROP VIEW MyEntity " );
+		query.executeUpdate();
+		transaction.commit();
+		session.close();
+	}
+
+
+	@Entity
+	@Table(name = "MyEntity", indexes = {@Index(columnList = "id", name = "user_id_hidx")})
+	public static class MyEntity {
+		private int id;
+
+		@Id
+		public int getId() {
+			return this.id;
+		}
+
+		public void setId(final int id) {
+			this.id = id;
+		}
+	}
+}