HHH-19522 report failed optimistic lock checking for upsert()

upsert() should throw StaleObjectStateException if the version
verification fails

Author: gavinking

hibernate-core/src/main/java/org/hibernate/sql/model/jdbc/MergeOperation.java

@@ -23,7 +23,7 @@ public MergeOperation(
 			MutationTarget<?> mutationTarget,
 			String sql,
 			List<? extends JdbcParameterBinder> parameterBinders) {
-		super( tableDetails, mutationTarget, sql, false, Expectation.None.INSTANCE, parameterBinders );
+		super( tableDetails, mutationTarget, sql, false, new Expectation.RowCount(), parameterBinders );
 	}
 
 	@Override

hibernate-core/src/test/java/org/hibernate/orm/test/stateless/UpsertVersionedTest.java

@@ -7,17 +7,21 @@
 import jakarta.persistence.Entity;
 import jakarta.persistence.Id;
 import jakarta.persistence.Version;
+import org.hibernate.StaleObjectStateException;
 import org.hibernate.testing.orm.junit.DomainModel;
 import org.hibernate.testing.orm.junit.SessionFactory;
 import org.hibernate.testing.orm.junit.SessionFactoryScope;
 import org.junit.jupiter.api.Test;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.fail;
 
 @SessionFactory
 @DomainModel(annotatedClasses = UpsertVersionedTest.Record.class)
 public class UpsertVersionedTest {
+
 	@Test void test(SessionFactoryScope scope) {
+		scope.getSessionFactory().getSchemaManager().truncate();
 		scope.inStatelessTransaction(s-> {
 			s.upsert(new Record(123L,null,"hello earth"));
 			s.upsert(new Record(456L,2L,"hello mars"));
@@ -41,6 +45,29 @@ public class UpsertVersionedTest {
 			assertEquals( "goodbye mars", s.get( Record.class,456L).message );
 		});
 	}
+
+	@Test void testStaleUpsert(SessionFactoryScope scope) {
+		scope.getSessionFactory().getSchemaManager().truncate();
+		scope.inStatelessTransaction( s -> {
+			s.insert(new Record(789L, 1L, "hello world"));
+		} );
+		scope.inStatelessTransaction( s -> {
+			s.upsert(new Record(789L, 1L, "hello mars"));
+		} );
+		try {
+			scope.inStatelessTransaction( s -> {
+				s.upsert(new Record( 789L, 1L, "hello venus"));
+			} );
+			fail();
+		}
+		catch (StaleObjectStateException sose) {
+			//expected
+		}
+		scope.inStatelessTransaction( s-> {
+			assertEquals( "hello mars", s.get(Record.class,789L).message );
+		} );
+	}
+
 	@Entity(name = "Record")
 	static class Record {
 		@Id Long id;