Add h8-preview module: hibernate-demo suite against Hibernate 8.0.0.Beta3 and Jakarta Persistence 4.0.0-M7

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Gth99spB1CzQmBFofXmU4Z

h8-preview/src/broken/UsesTransformers.java

@@ -0,0 +1,16 @@
+import org.hibernate.Session;
+import org.hibernate.query.NativeQuery;
+import org.hibernate.transform.Transformers;
+
+/** Not built. Result transformers were the classic way to map a native query onto a DTO. */
+class UsesTransformers {
+
+	public static class Dto {
+		public Integer id;
+	}
+
+	Object rows(Session s) {
+		return s.createNativeQuery("select 1 as id", Object.class).unwrap(NativeQuery.class)
+				.setResultTransformer(Transformers.aliasToBean(Dto.class)).list();
+	}
+}