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diff --git a/das-java/branches/das-java-M2/rdb/src/test/java/org/apache/tuscany/das/rdb/test/PartialUpdateTests.java b/das-java/branches/das-java-M2/rdb/src/test/java/org/apache/tuscany/das/rdb/test/PartialUpdateTests.java
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+++ b/das-java/branches/das-java-M2/rdb/src/test/java/org/apache/tuscany/das/rdb/test/PartialUpdateTests.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.das.rdb.test;
+
+import java.sql.SQLException;
+
+import org.apache.tuscany.das.rdb.Command;
+import org.apache.tuscany.das.rdb.DAS;
+import org.apache.tuscany.das.rdb.test.data.CustomerData;
+import org.apache.tuscany.das.rdb.test.framework.DasTest;
+
+import commonj.sdo.DataObject;
+
+public class PartialUpdateTests extends DasTest {
+
+    public PartialUpdateTests() {
+        super();
+    }
+
+    protected void setUp() throws Exception {
+        super.setUp();
+        new CustomerData(getAutoConnection()).refresh();
+    }
+
+    protected void tearDown() throws Exception {
+        super.tearDown();
+    }
+
+    public void testPartialUpdate() throws SQLException {
+        DAS das = DAS.FACTORY.createDAS(getConnection());
+        Command readCustomers = das.createCommand("select * from CUSTOMER where ID = 1");
+
+        // Read
+        DataObject root = readCustomers.executeQuery();
+
+        DataObject customer = root.getDataObject("CUSTOMER[1]");
+        // Verify
+        assertEquals(1, customer.getInt("ID"));
+
+        Command update = das.createCommand("update CUSTOMER set LASTNAME = 'modified' where ID = 1");
+        update.execute();
+
+        customer.setString("ADDRESS", "main street");
+
+        das.applyChanges(root);
+
+        root = readCustomers.executeQuery();
+
+        // If partial update was not used, LASTNAME would not be 'modified'
+        customer = root.getDataObject("CUSTOMER[1]");
+        assertEquals(1, customer.getInt("ID"));
+        assertEquals("modified", customer.getString("LASTNAME"));
+        assertEquals("main street", customer.getString("ADDRESS"));
+    }
+
+    public void testPartialInsert() throws SQLException {
+        DAS das = DAS.FACTORY.createDAS(getConnection());
+        Command readCustomers = das.createCommand("select * from CUSTOMER where ID = 1");
+
+        // Read
+        DataObject root = readCustomers.executeQuery();
+
+        // Create a new customer
+        DataObject newCust = root.createDataObject("CUSTOMER");
+        newCust.set("ID", Integer.valueOf(100));
+        newCust.set("ADDRESS", "5528 Wells Fargo Drive");
+        // Purposely do not set lastname to let it default to 'Garfugengheist'
+        // newCust.set("LASTNAME", "Gerkin" );
+
+        das.applyChanges(root);
+
+        Command readNewCust = das.createCommand("select * from CUSTOMER where ID = 100");
+        root = readNewCust.executeQuery();
+
+        // If partial insert was not used, LASTNAME would not be
+        // 'Garfugengheist'
+        newCust = root.getDataObject("CUSTOMER[1]");
+        assertEquals(100, newCust.getInt("ID"));
+        assertEquals("Garfugengheist", newCust.getString("LASTNAME"));
+        assertEquals("5528 Wells Fargo Drive", newCust.getString("ADDRESS"));
+
+    }
+}